Integration Completed
diff --git a/verilog/rtl/BrqRV_EB1/design/BrqRV_EB1.sv b/verilog/rtl/BrqRV_EB1/design/BrqRV_EB1.sv new file mode 100644 index 0000000..321d707 --- /dev/null +++ b/verilog/rtl/BrqRV_EB1/design/BrqRV_EB1.sv
@@ -0,0 +1,31597 @@ +// performance monitor stuff +//`ifndef eb1_DEF_SV +//`define eb1_DEF_SV +package eb1_pkg; + +typedef struct packed { + logic trace_rv_i_valid_ip; + logic [31:0] trace_rv_i_insn_ip; + logic [31:0] trace_rv_i_address_ip; + logic trace_rv_i_exception_ip; + logic [4:0] trace_rv_i_ecause_ip; + logic trace_rv_i_interrupt_ip; + logic [31:0] trace_rv_i_tval_ip; + } eb1_trace_pkt_t; + + +typedef enum logic [3:0] { + NULL = 4'b0000, + MUL = 4'b0001, + LOAD = 4'b0010, + STORE = 4'b0011, + ALU = 4'b0100, + CSRREAD = 4'b0101, + CSRWRITE = 4'b0110, + CSRRW = 4'b0111, + EBREAK = 4'b1000, + ECALL = 4'b1001, + FENCE = 4'b1010, + FENCEI = 4'b1011, + MRET = 4'b1100, + CONDBR = 4'b1101, + JAL = 4'b1110, + BITMANIPU = 4'b1111 + } eb1_inst_pkt_t; + +typedef struct packed { + logic valid; + logic wb; + logic [2:0] tag; + logic [4:0] rd; + } eb1_load_cam_pkt_t; + +typedef struct packed { + logic pc0_call; + logic pc0_ret; + logic pc0_pc4; + } eb1_rets_pkt_t; +typedef struct packed { + logic valid; + logic [11:0] toffset; + logic [1:0] hist; + logic br_error; + logic br_start_error; + logic bank; + logic [31:1] prett; // predicted ret target + logic way; + logic ret; + } eb1_br_pkt_t; + +typedef struct packed { + logic valid; + logic [1:0] hist; + logic br_error; + logic br_start_error; + logic way; + logic middle; + } eb1_br_tlu_pkt_t; + +typedef struct packed { + logic misp; + logic ataken; + logic boffset; + logic pc4; + logic [1:0] hist; + logic [11:0] toffset; + logic valid; + logic br_error; + logic br_start_error; + logic pcall; + logic pja; + logic way; + logic pret; + // for power use the pret bit to clock the prett field + logic [31:1] prett; + } eb1_predict_pkt_t; + +typedef struct packed { + // unlikely to change + logic icaf; + logic icaf_second; + logic [1:0] icaf_type; + logic fence_i; + logic [3:0] i0trigger; + logic pmu_i0_br_unpred; // pmu + logic pmu_divide; + // likely to change + logic legal; + logic pmu_lsu_misaligned; + eb1_inst_pkt_t pmu_i0_itype; // pmu - instruction type + } eb1_trap_pkt_t; + +typedef struct packed { + // unlikely to change + logic i0div; + logic csrwen; + logic csrwonly; + logic [11:0] csrwaddr; + // likely to change + logic [4:0] i0rd; + logic i0load; + logic i0store; + logic i0v; + logic i0valid; + } eb1_dest_pkt_t; + +typedef struct packed { + logic mul; + logic load; + logic alu; + } eb1_class_pkt_t; + +typedef struct packed { + logic [4:0] rs1; + logic [4:0] rs2; + logic [4:0] rd; + } eb1_reg_pkt_t; + + +typedef struct packed { + logic clz; + logic ctz; + logic pcnt; + logic sext_b; + logic sext_h; + logic slo; + logic sro; + logic min; + logic max; + logic pack; + logic packu; + logic packh; + logic rol; + logic ror; + logic grev; + logic gorc; + logic zbb; + logic sbset; + logic sbclr; + logic sbinv; + logic sbext; + logic sh1add; + logic sh2add; + logic sh3add; + logic zba; + logic land; + logic lor; + logic lxor; + logic sll; + logic srl; + logic sra; + logic beq; + logic bne; + logic blt; + logic bge; + logic add; + logic sub; + logic slt; + logic unsign; + logic jal; + logic predict_t; + logic predict_nt; + logic csr_write; + logic csr_imm; + } eb1_alu_pkt_t; + +typedef struct packed { + logic fast_int; +/* verilator lint_off SYMRSVDWORD */ + logic stack; +/* verilator lint_on SYMRSVDWORD */ + logic by; + logic half; + logic word; + logic dword; // for dma + logic load; + logic store; + logic unsign; + logic dma; // dma pkt + logic store_data_bypass_d; + logic load_ldst_bypass_d; + logic store_data_bypass_m; + logic valid; + } eb1_lsu_pkt_t; + +typedef struct packed { + logic inst_type; //0: Load, 1: Store + //logic dma_valid; + logic exc_type; //0: MisAligned, 1: Access Fault + logic [3:0] mscause; + logic [31:0] addr; + logic single_ecc_error; + logic exc_valid; + } eb1_lsu_error_pkt_t; + +typedef struct packed { + logic clz; + logic ctz; + logic pcnt; + logic sext_b; + logic sext_h; + logic slo; + logic sro; + logic min; + logic max; + logic pack; + logic packu; + logic packh; + logic rol; + logic ror; + logic grev; + logic gorc; + logic zbb; + logic sbset; + logic sbclr; + logic sbinv; + logic sbext; + logic zbs; + logic bext; + logic bdep; + logic zbe; + logic clmul; + logic clmulh; + logic clmulr; + logic zbc; + logic shfl; + logic unshfl; + logic zbp; + logic crc32_b; + logic crc32_h; + logic crc32_w; + logic crc32c_b; + logic crc32c_h; + logic crc32c_w; + logic zbr; + logic bfp; + logic zbf; + logic sh1add; + logic sh2add; + logic sh3add; + logic zba; + logic alu; + logic rs1; + logic rs2; + logic imm12; + logic rd; + logic shimm5; + logic imm20; + logic pc; + logic load; + logic store; + logic lsu; + logic add; + logic sub; + logic land; + logic lor; + logic lxor; + logic sll; + logic sra; + logic srl; + logic slt; + logic unsign; + logic condbr; + logic beq; + logic bne; + logic bge; + logic blt; + logic jal; + logic by; + logic half; + logic word; + logic csr_read; + logic csr_clr; + logic csr_set; + logic csr_write; + logic csr_imm; + logic presync; + logic postsync; + logic ebreak; + logic ecall; + logic mret; + logic mul; + logic rs1_sign; + logic rs2_sign; + logic low; + logic div; + logic rem; + logic fence; + logic fence_i; + logic pm_alu; + logic legal; + } eb1_dec_pkt_t; + + +typedef struct packed { + logic valid; + logic rs1_sign; + logic rs2_sign; + logic low; + logic bext; + logic bdep; + logic clmul; + logic clmulh; + logic clmulr; + logic grev; + logic gorc; + logic shfl; + logic unshfl; + logic crc32_b; + logic crc32_h; + logic crc32_w; + logic crc32c_b; + logic crc32c_h; + logic crc32c_w; + logic bfp; + } eb1_mul_pkt_t; + +typedef struct packed { + logic valid; + logic unsign; + logic rem; + } eb1_div_pkt_t; + +typedef struct packed { + logic TEST1; + logic RME; + logic [3:0] RM; + + logic LS; + logic DS; + logic SD; + logic TEST_RNM; + logic BC1; + logic BC2; + } eb1_ccm_ext_in_pkt_t; + +typedef struct packed { + logic TEST1; + logic RME; + logic [3:0] RM; + logic LS; + logic DS; + logic SD; + logic TEST_RNM; + logic BC1; + logic BC2; + } eb1_dccm_ext_in_pkt_t; + + +typedef struct packed { + logic TEST1; + logic RME; + logic [3:0] RM; + logic LS; + logic DS; + logic SD; + logic TEST_RNM; + logic BC1; + logic BC2; + } eb1_ic_data_ext_in_pkt_t; + + +typedef struct packed { + logic TEST1; + logic RME; + logic [3:0] RM; + logic LS; + logic DS; + logic SD; + logic TEST_RNM; + logic BC1; + logic BC2; + } eb1_ic_tag_ext_in_pkt_t; + + + +typedef struct packed { + logic select; + logic match; + logic store; + logic load; + logic execute; + logic m; + logic [31:0] tdata2; + } eb1_trigger_pkt_t; + + +typedef struct packed { + logic [70:0] icache_wrdata; // {dicad1[1:0], dicad0h[31:0], dicad0[31:0]} + logic [16:0] icache_dicawics; // Arraysel:24, Waysel:21:20, Index:16:3 + logic icache_rd_valid; + logic icache_wr_valid; + } eb1_cache_debug_pkt_t; +//`endif +typedef struct packed { + bit [7:0] BHT_ADDR_HI; + bit [5:0] BHT_ADDR_LO; + bit [14:0] BHT_ARRAY_DEPTH; + bit [4:0] BHT_GHR_HASH_1; + bit [7:0] BHT_GHR_SIZE; + bit [15:0] BHT_SIZE; + bit [4:0] BITMANIP_ZBA; + bit [4:0] BITMANIP_ZBB; + bit [4:0] BITMANIP_ZBC; + bit [4:0] BITMANIP_ZBE; + bit [4:0] BITMANIP_ZBF; + bit [4:0] BITMANIP_ZBP; + bit [4:0] BITMANIP_ZBR; + bit [4:0] BITMANIP_ZBS; + bit [8:0] BTB_ADDR_HI; + bit [5:0] BTB_ADDR_LO; + bit [12:0] BTB_ARRAY_DEPTH; + bit [4:0] BTB_BTAG_FOLD; + bit [8:0] BTB_BTAG_SIZE; + bit [4:0] BTB_ENABLE; + bit [4:0] BTB_FOLD2_INDEX_HASH; + bit [4:0] BTB_FULLYA; + bit [8:0] BTB_INDEX1_HI; + bit [8:0] BTB_INDEX1_LO; + bit [8:0] BTB_INDEX2_HI; + bit [8:0] BTB_INDEX2_LO; + bit [8:0] BTB_INDEX3_HI; + bit [8:0] BTB_INDEX3_LO; + bit [13:0] BTB_SIZE; + bit [8:0] BTB_TOFFSET_SIZE; + bit BUILD_AHB_LITE; + bit [4:0] BUILD_AXI4; + bit [4:0] BUILD_AXI_NATIVE; + bit [5:0] BUS_PRTY_DEFAULT; + bit [35:0] DATA_ACCESS_ADDR0; + bit [35:0] DATA_ACCESS_ADDR1; + bit [35:0] DATA_ACCESS_ADDR2; + bit [35:0] DATA_ACCESS_ADDR3; + bit [35:0] DATA_ACCESS_ADDR4; + bit [35:0] DATA_ACCESS_ADDR5; + bit [35:0] DATA_ACCESS_ADDR6; + bit [35:0] DATA_ACCESS_ADDR7; + bit [4:0] DATA_ACCESS_ENABLE0; + bit [4:0] DATA_ACCESS_ENABLE1; + bit [4:0] DATA_ACCESS_ENABLE2; + bit [4:0] DATA_ACCESS_ENABLE3; + bit [4:0] DATA_ACCESS_ENABLE4; + bit [4:0] DATA_ACCESS_ENABLE5; + bit [4:0] DATA_ACCESS_ENABLE6; + bit [4:0] DATA_ACCESS_ENABLE7; + bit [35:0] DATA_ACCESS_MASK0; + bit [35:0] DATA_ACCESS_MASK1; + bit [35:0] DATA_ACCESS_MASK2; + bit [35:0] DATA_ACCESS_MASK3; + bit [35:0] DATA_ACCESS_MASK4; + bit [35:0] DATA_ACCESS_MASK5; + bit [35:0] DATA_ACCESS_MASK6; + bit [35:0] DATA_ACCESS_MASK7; + bit [6:0] DCCM_BANK_BITS; + bit [8:0] DCCM_BITS; + bit [6:0] DCCM_BYTE_WIDTH; + bit [9:0] DCCM_DATA_WIDTH; + bit [6:0] DCCM_ECC_WIDTH; + bit [4:0] DCCM_ENABLE; + bit [9:0] DCCM_FDATA_WIDTH; + bit [7:0] DCCM_INDEX_BITS; + bit [8:0] DCCM_NUM_BANKS; + bit [7:0] DCCM_REGION; + bit [35:0] DCCM_SADR; + bit [13:0] DCCM_SIZE; + bit [5:0] DCCM_WIDTH_BITS; + bit [6:0] DIV_BIT; + bit [4:0] DIV_NEW; + bit [6:0] DMA_BUF_DEPTH; + bit [8:0] DMA_BUS_ID; + bit [5:0] DMA_BUS_PRTY; + bit [7:0] DMA_BUS_TAG; + bit [4:0] FAST_INTERRUPT_REDIRECT; + bit [4:0] ICACHE_2BANKS; + bit [6:0] ICACHE_BANK_BITS; + bit [6:0] ICACHE_BANK_HI; + bit [5:0] ICACHE_BANK_LO; + bit [7:0] ICACHE_BANK_WIDTH; + bit [6:0] ICACHE_BANKS_WAY; + bit [7:0] ICACHE_BEAT_ADDR_HI; + bit [7:0] ICACHE_BEAT_BITS; + bit [4:0] ICACHE_BYPASS_ENABLE; + bit [17:0] ICACHE_DATA_DEPTH; + bit [6:0] ICACHE_DATA_INDEX_LO; + bit [10:0] ICACHE_DATA_WIDTH; + bit [4:0] ICACHE_ECC; + bit [4:0] ICACHE_ENABLE; + bit [10:0] ICACHE_FDATA_WIDTH; + bit [8:0] ICACHE_INDEX_HI; + bit [10:0] ICACHE_LN_SZ; + bit [7:0] ICACHE_NUM_BEATS; + bit [7:0] ICACHE_NUM_BYPASS; + bit [7:0] ICACHE_NUM_BYPASS_WIDTH; + bit [6:0] ICACHE_NUM_WAYS; + bit [4:0] ICACHE_ONLY; + bit [7:0] ICACHE_SCND_LAST; + bit [12:0] ICACHE_SIZE; + bit [6:0] ICACHE_STATUS_BITS; + bit [4:0] ICACHE_TAG_BYPASS_ENABLE; + bit [16:0] ICACHE_TAG_DEPTH; + bit [6:0] ICACHE_TAG_INDEX_LO; + bit [8:0] ICACHE_TAG_LO; + bit [7:0] ICACHE_TAG_NUM_BYPASS; + bit [7:0] ICACHE_TAG_NUM_BYPASS_WIDTH; + bit [4:0] ICACHE_WAYPACK; + bit [6:0] ICCM_BANK_BITS; + bit [8:0] ICCM_BANK_HI; + bit [8:0] ICCM_BANK_INDEX_LO; + bit [8:0] ICCM_BITS; + bit [4:0] ICCM_ENABLE; + bit [4:0] ICCM_ICACHE; + bit [7:0] ICCM_INDEX_BITS; + bit [8:0] ICCM_NUM_BANKS; + bit [4:0] ICCM_ONLY; + bit [7:0] ICCM_REGION; + bit [35:0] ICCM_SADR; + bit [13:0] ICCM_SIZE; + bit [4:0] IFU_BUS_ID; + bit [5:0] IFU_BUS_PRTY; + bit [7:0] IFU_BUS_TAG; + bit [35:0] INST_ACCESS_ADDR0; + bit [35:0] INST_ACCESS_ADDR1; + bit [35:0] INST_ACCESS_ADDR2; + bit [35:0] INST_ACCESS_ADDR3; + bit [35:0] INST_ACCESS_ADDR4; + bit [35:0] INST_ACCESS_ADDR5; + bit [35:0] INST_ACCESS_ADDR6; + bit [35:0] INST_ACCESS_ADDR7; + bit [4:0] INST_ACCESS_ENABLE0; + bit [4:0] INST_ACCESS_ENABLE1; + bit [4:0] INST_ACCESS_ENABLE2; + bit [4:0] INST_ACCESS_ENABLE3; + bit [4:0] INST_ACCESS_ENABLE4; + bit [4:0] INST_ACCESS_ENABLE5; + bit [4:0] INST_ACCESS_ENABLE6; + bit [4:0] INST_ACCESS_ENABLE7; + bit [35:0] INST_ACCESS_MASK0; + bit [35:0] INST_ACCESS_MASK1; + bit [35:0] INST_ACCESS_MASK2; + bit [35:0] INST_ACCESS_MASK3; + bit [35:0] INST_ACCESS_MASK4; + bit [35:0] INST_ACCESS_MASK5; + bit [35:0] INST_ACCESS_MASK6; + bit [35:0] INST_ACCESS_MASK7; + bit [4:0] LOAD_TO_USE_PLUS1; + bit [4:0] LSU2DMA; + bit [4:0] LSU_BUS_ID; + bit [5:0] LSU_BUS_PRTY; + bit [7:0] LSU_BUS_TAG; + bit [8:0] LSU_NUM_NBLOAD; + bit [6:0] LSU_NUM_NBLOAD_WIDTH; + bit [8:0] LSU_SB_BITS; + bit [7:0] LSU_STBUF_DEPTH; + bit [4:0] NO_ICCM_NO_ICACHE; + bit [4:0] PIC_2CYCLE; + bit [35:0] PIC_BASE_ADDR; + bit [8:0] PIC_BITS; + bit [7:0] PIC_INT_WORDS; + bit [7:0] PIC_REGION; + bit [12:0] PIC_SIZE; + bit [11:0] PIC_TOTAL_INT; + bit [12:0] PIC_TOTAL_INT_PLUS1; + bit [7:0] RET_STACK_SIZE; + bit [4:0] SB_BUS_ID; + bit [5:0] SB_BUS_PRTY; + bit [7:0] SB_BUS_TAG; + bit [4:0] TIMER_LEGAL_EN; +} eb1_param_t; + + +endpackage // eb1_pkg + +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}; + +parameter [2270:0] pt = 2271'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; +// NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE +// This is an automatically generated file by hshabbir on و 08:16:54 PKT ت 08 جون 2021 +// +// cmd: brqrv -target=default -set build_axi4 +// +`define RV_ROOT "/home/hshabbir/caravel_BrqRV_EB1/verilog/rtl/BrqRV_EB1" +`define RV_RET_STACK_SIZE 8 +`define RV_EXT_ADDRWIDTH 32 +`define RV_STERR_ROLLBACK 0 +`define SDVT_AHB 0 +`define RV_EXT_DATAWIDTH 64 +`define RV_LDERR_ROLLBACK 1 +`define CLOCK_PERIOD 100 +`define RV_ASSERT_ON +`define RV_BUILD_AXI4 1 +`define TOP tb_top +`define RV_BUILD_AXI_NATIVE 1 +`define CPU_TOP `RV_TOP.brqrv +`define RV_TOP `TOP.rvtop +`define RV_UNUSED_REGION2 'h70000000 +`define RV_EXTERNAL_DATA 'hd0580000 +`define RV_SERIALIO 'he0580000 +`define RV_UNUSED_REGION7 'h20000000 +`define RV_UNUSED_REGION5 'h40000000 +`define RV_DEBUG_SB_MEM 'hb0580000 +`define RV_EXTERNAL_DATA_1 'hc0000000 +`define RV_UNUSED_REGION0 'h90000000 +`define RV_UNUSED_REGION3 'h60000000 +`define RV_UNUSED_REGION9 'h00000000 +`define RV_UNUSED_REGION8 'h10000000 +`define RV_UNUSED_REGION6 'h30000000 +`define RV_UNUSED_REGION1 'h80000000 +`define RV_UNUSED_REGION4 'h50000000 +`define RV_BHT_ADDR_LO 2 +`define RV_BHT_SIZE 256 +`define RV_BHT_GHR_HASH_1 +`define RV_BHT_GHR_SIZE 7 +`define RV_BHT_ADDR_HI 8 +`define RV_BHT_HASH_STRING {hashin[7+1:2]^ghr[7-1:0]}// cf2 +`define RV_BHT_ARRAY_DEPTH 128 +`define RV_BHT_GHR_RANGE 6:0 +`define RV_INST_ACCESS_ADDR5 'h00000000 +`define RV_DATA_ACCESS_MASK3 'hffffffff +`define RV_INST_ACCESS_MASK7 'hffffffff +`define RV_DATA_ACCESS_MASK0 'hffffffff +`define RV_INST_ACCESS_ADDR6 'h00000000 +`define RV_INST_ACCESS_ENABLE3 1'h0 +`define RV_INST_ACCESS_MASK6 'hffffffff +`define RV_DATA_ACCESS_ENABLE6 1'h0 +`define RV_INST_ACCESS_ENABLE5 1'h0 +`define RV_DATA_ACCESS_ENABLE7 1'h0 +`define RV_INST_ACCESS_ENABLE1 1'h0 +`define RV_DATA_ACCESS_ADDR0 'h00000000 +`define RV_DATA_ACCESS_ADDR3 'h00000000 +`define RV_INST_ACCESS_ADDR7 'h00000000 +`define RV_INST_ACCESS_ENABLE0 1'h0 +`define RV_INST_ACCESS_MASK5 'hffffffff +`define RV_DATA_ACCESS_MASK4 'hffffffff +`define RV_INST_ACCESS_MASK2 'hffffffff +`define RV_INST_ACCESS_MASK1 'hffffffff +`define RV_INST_ACCESS_ADDR2 'h00000000 +`define RV_INST_ACCESS_ENABLE2 1'h0 +`define RV_INST_ACCESS_ADDR1 'h00000000 +`define RV_INST_ACCESS_ENABLE4 1'h0 +`define RV_DATA_ACCESS_ADDR4 'h00000000 +`define RV_DATA_ACCESS_ADDR6 'h00000000 +`define RV_DATA_ACCESS_ENABLE3 1'h0 +`define RV_INST_ACCESS_MASK0 'hffffffff +`define RV_DATA_ACCESS_MASK7 'hffffffff +`define RV_INST_ACCESS_MASK3 'hffffffff +`define RV_DATA_ACCESS_ADDR5 'h00000000 +`define RV_DATA_ACCESS_MASK5 'hffffffff +`define RV_DATA_ACCESS_ENABLE0 1'h0 +`define RV_INST_ACCESS_ADDR3 'h00000000 +`define RV_DATA_ACCESS_ADDR7 'h00000000 +`define RV_DATA_ACCESS_ENABLE5 1'h0 +`define RV_INST_ACCESS_ENABLE6 1'h0 +`define RV_DATA_ACCESS_ENABLE1 1'h0 +`define RV_INST_ACCESS_ENABLE7 1'h0 +`define RV_INST_ACCESS_ADDR0 'h00000000 +`define RV_DATA_ACCESS_MASK6 'hffffffff +`define RV_DATA_ACCESS_MASK2 'hffffffff +`define RV_DATA_ACCESS_MASK1 'hffffffff +`define RV_INST_ACCESS_MASK4 'hffffffff +`define RV_INST_ACCESS_ADDR4 'h00000000 +`define RV_DATA_ACCESS_ENABLE4 1'h0 +`define RV_DATA_ACCESS_ADDR2 'h00000000 +`define RV_DATA_ACCESS_ADDR1 'h00000000 +`define RV_DATA_ACCESS_ENABLE2 1'h0 +`define RV_ICCM_BITS 12 +`define RV_ICCM_OFFSET 10'h0ffff000 +`define RV_ICCM_SIZE_4 +`define RV_ICCM_BANK_BITS 2 +`define RV_ICCM_ENABLE 1 +`define RV_ICCM_SADR 32'haffff000 +`define RV_ICCM_DATA_CELL ram_256x39 +`define RV_ICCM_EADR 32'hafffffff +`define RV_ICCM_RESERVED 'h400 +`define RV_ICCM_REGION 4'ha +`define RV_ICCM_SIZE 4 +`define RV_ICCM_BANK_HI 3 +`define RV_ICCM_BANK_INDEX_LO 4 +`define RV_ICCM_ROWS 256 +`define RV_ICCM_INDEX_BITS 8 +`define RV_ICCM_NUM_BANKS 4 +`define RV_ICCM_NUM_BANKS_4 +`define RV_LSU2DMA 0 +`define RV_LSU_NUM_NBLOAD_WIDTH 2 +`define RV_ICCM_ONLY 1 +`define RV_BITMANIP_ZBC 0 +`define RV_BITMANIP_ZBS 0 +`define RV_FPGA_OPTIMIZE 0 +`define RV_LSU_NUM_NBLOAD 4 +`define RV_DIV_BIT 3 +`define RV_DIV_NEW 1 +`define RV_DMA_BUF_DEPTH 5 +`define RV_FAST_INTERRUPT_REDIRECT 1 +`define RV_BITMANIP_ZBP 0 +`define RV_BITMANIP_ZBA 0 +`define RV_LSU_STBUF_DEPTH 4 +`define RV_BITMANIP_ZBB 0 +`define RV_BITMANIP_ZBR 0 +`define RV_BITMANIP_ZBE 0 +`define RV_TIMER_LEGAL_EN 1 +`define RV_BITMANIP_ZBF 0 +`define REGWIDTH 32 +`define RV_CONFIG_KEY 32'hdeadbeef +`define RV_BTB_INDEX1_HI 8 +`define RV_BTB_SIZE 256 +`define RV_BTB_BTAG_SIZE 6 +`define RV_BTB_FOLD2_INDEX_HASH 0 +`define RV_BTB_INDEX3_LO 16 +`define RV_BTB_INDEX2_HI 15 +`define RV_BTB_ARRAY_DEPTH 128 +`define RV_BTB_INDEX1_LO 2 +`define RV_BTB_ADDR_LO 2 +`define RV_BTB_INDEX3_HI 22 +`define RV_BTB_ADDR_HI 8 +`define RV_BTB_TOFFSET_SIZE 12 +`define RV_BTB_INDEX2_LO 9 +`define RV_BTB_BTAG_FOLD 0 +`define RV_BTB_ENABLE 1 +`define RV_XLEN 32 +`define RV_IFU_BUS_TAG 3 +`define RV_LSU_BUS_ID 1 +`define RV_IFU_BUS_PRTY 2 +`define RV_LSU_BUS_TAG 3 +`define RV_IFU_BUS_ID 1 +`define RV_SB_BUS_PRTY 2 +`define RV_LSU_BUS_PRTY 2 +`define RV_DMA_BUS_ID 1 +`define RV_SB_BUS_ID 1 +`define RV_BUS_PRTY_DEFAULT 2'h3 +`define RV_DMA_BUS_PRTY 2 +`define RV_SB_BUS_TAG 1 +`define RV_DMA_BUS_TAG 1 +`define RV_ICACHE_TAG_NUM_BYPASS 2 +`define RV_ICACHE_STATUS_BITS 1 +`define RV_ICACHE_BEAT_ADDR_HI 5 +`define RV_ICACHE_SCND_LAST 6 +`define RV_ICACHE_TAG_LO 13 +`define RV_ICACHE_BANK_WIDTH 8 +`define RV_ICACHE_DATA_CELL ram_512x71 +`define RV_ICACHE_NUM_BYPASS_WIDTH 2 +`define RV_ICACHE_WAYPACK 1 +`define RV_ICACHE_LN_SZ 64 +`define RV_ICACHE_NUM_BEATS 8 +`define RV_ICACHE_NUM_LINES_WAY 128 +`define RV_ICACHE_NUM_LINES_BANK 64 +`define RV_ICACHE_TAG_DEPTH 128 +`define RV_ICACHE_DATA_DEPTH 512 +`define RV_ICACHE_DATA_WIDTH 64 +`define RV_ICACHE_TAG_CELL ram_128x25 +`define RV_ICACHE_NUM_BYPASS 2 +`define RV_ICACHE_FDATA_WIDTH 71 +`define RV_ICACHE_NUM_LINES 256 +`define RV_ICACHE_DATA_INDEX_LO 4 +`define RV_ICACHE_BANK_BITS 1 +`define RV_ICACHE_TAG_NUM_BYPASS_WIDTH 2 +`define RV_ICACHE_2BANKS 1 +`define RV_ICACHE_BANKS_WAY 2 +`define RV_ICACHE_BANK_LO 3 +`define RV_ICACHE_ECC 1 +`define RV_ICACHE_INDEX_HI 12 +`define RV_ICACHE_TAG_INDEX_LO 6 +`define RV_ICACHE_TAG_BYPASS_ENABLE 1 +`define RV_ICACHE_BANK_HI 3 +`define RV_ICACHE_BEAT_BITS 3 +`define RV_ICACHE_BYPASS_ENABLE 1 +`define RV_ICACHE_NUM_WAYS 2 +`define RV_ICACHE_SIZE 16 +`define RV_NMI_VEC 'h11110000 +`define RV_DCCM_EADR 32'hf0040fff +`define RV_DCCM_SIZE 4 +`define RV_DCCM_REGION 4'hf +`define RV_DCCM_RESERVED 'h400 +`define RV_DCCM_INDEX_BITS 8 +`define RV_DCCM_ROWS 256 +`define RV_DCCM_FDATA_WIDTH 39 +`define RV_DCCM_NUM_BANKS_4 +`define RV_DCCM_NUM_BANKS 4 +`define RV_DCCM_BITS 12 +`define RV_DCCM_DATA_WIDTH 32 +`define RV_DCCM_SIZE_4 +`define RV_DCCM_OFFSET 28'h40000 +`define RV_DCCM_WIDTH_BITS 2 +`define RV_DCCM_BYTE_WIDTH 4 +`define RV_DCCM_ENABLE 1 +`define RV_DCCM_ECC_WIDTH 7 +`define RV_DCCM_BANK_BITS 2 +`define RV_DCCM_DATA_CELL ram_256x39 +`define RV_DCCM_SADR 32'hf0040000 +`define RV_LSU_SB_BITS 12 +`define RV_RESET_VEC 'haffff000 +`define RV_PIC_BITS 15 +`define RV_PIC_MEIGWCTRL_OFFSET 'h4000 +`define RV_PIC_MEIGWCTRL_MASK 'h3 +`define RV_PIC_MEIGWCLR_OFFSET 'h5000 +`define RV_PIC_MEIE_MASK 'h1 +`define RV_PIC_MEIP_MASK 'h0 +`define RV_PIC_MEIPT_COUNT 31 +`define RV_PIC_MEIPL_COUNT 31 +`define RV_PIC_MEIPT_MASK 'h0 +`define RV_PIC_BASE_ADDR 32'hf00c0000 +`define RV_PIC_MEIPL_MASK 'hf +`define RV_PIC_INT_WORDS 1 +`define RV_PIC_MPICCFG_MASK 'h1 +`define RV_PIC_MEIPT_OFFSET 'h3004 +`define RV_PIC_TOTAL_INT_PLUS1 32 +`define RV_PIC_MEIPL_OFFSET 'h0000 +`define RV_PIC_MEIE_COUNT 31 +`define RV_PIC_MEIGWCTRL_COUNT 31 +`define RV_PIC_REGION 4'hf +`define RV_PIC_MEIGWCLR_MASK 'h0 +`define RV_PIC_SIZE 32 +`define RV_PIC_MEIE_OFFSET 'h2000 +`define RV_PIC_MPICCFG_OFFSET 'h3000 +`define RV_PIC_MPICCFG_COUNT 1 +`define RV_PIC_MEIP_OFFSET 'h1000 +`define RV_PIC_TOTAL_INT 31 +`define RV_PIC_OFFSET 10'hc0000 +`define RV_PIC_MEIGWCLR_COUNT 31 +`define RV_PIC_MEIP_COUNT 1 +`define RV_TARGET default +`define RV_NUMIREGS 32 +`undef RV_ASSERT_ON + +// NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE +// This is an automatically generated file by hshabbir on و 08:16:54 PKT ت 08 جون 2021 +// +// cmd: brqrv -target=default -set build_axi4 +// + +//// `include "common_defines.vh" +`undef RV_ASSERT_ON +`define TEC_RV_ICG sky130_fd_sc_hd__dlclkp_1 +`define RV_PHYSICAL 1 + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// Function: Top wrapper file with eb1_brqrv/mem instantiated inside +// Comments: +// +//******************************************************************************** +module eb1_brqrv_wrapper +import eb1_pkg::*; + #( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) +( + input logic vccd1, + input logic vssd1, + input logic clk, + input logic rst_l, + input logic dbg_rst_l, + input logic [31:1] rst_vec, + input logic nmi_int, + input logic [31:1] nmi_vec, + input logic [31:1] jtag_id, + input uart_rx, + + + output logic [31:0] trace_rv_i_insn_ip, + output logic [31:0] trace_rv_i_address_ip, + output logic trace_rv_i_valid_ip, + output logic trace_rv_i_exception_ip, + output logic [4:0] trace_rv_i_ecause_ip, + output logic trace_rv_i_interrupt_ip, + output logic [31:0] trace_rv_i_tval_ip, + + // Bus signals +`ifdef RV_BUILD_AXI4 + //-------------------------- LSU AXI signals-------------------------- + // AXI Write Channels + output logic lsu_axi_awvalid, + input logic lsu_axi_awready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_awid, + output logic [31:0] lsu_axi_awaddr, + output logic [3:0] lsu_axi_awregion, + output logic [7:0] lsu_axi_awlen, + output logic [2:0] lsu_axi_awsize, + output logic [1:0] lsu_axi_awburst, + output logic lsu_axi_awlock, + output logic [3:0] lsu_axi_awcache, + output logic [2:0] lsu_axi_awprot, + output logic [3:0] lsu_axi_awqos, + + output logic lsu_axi_wvalid, + input logic lsu_axi_wready, + output logic [63:0] lsu_axi_wdata, + output logic [7:0] lsu_axi_wstrb, + output logic lsu_axi_wlast, + + input logic lsu_axi_bvalid, + output logic lsu_axi_bready, + input logic [1:0] lsu_axi_bresp, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_bid, + + // AXI Read Channels + output logic lsu_axi_arvalid, + input logic lsu_axi_arready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_arid, + output logic [31:0] lsu_axi_araddr, + output logic [3:0] lsu_axi_arregion, + output logic [7:0] lsu_axi_arlen, + output logic [2:0] lsu_axi_arsize, + output logic [1:0] lsu_axi_arburst, + output logic lsu_axi_arlock, + output logic [3:0] lsu_axi_arcache, + output logic [2:0] lsu_axi_arprot, + output logic [3:0] lsu_axi_arqos, + + input logic lsu_axi_rvalid, + output logic lsu_axi_rready, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_rid, + input logic [63:0] lsu_axi_rdata, + input logic [1:0] lsu_axi_rresp, + input logic lsu_axi_rlast, + + //-------------------------- IFU AXI signals-------------------------- + // AXI Write Channels + output logic ifu_axi_awvalid, + input logic ifu_axi_awready, + output logic [pt.IFU_BUS_TAG-1:0] ifu_axi_awid, + output logic [31:0] ifu_axi_awaddr, + output logic [3:0] ifu_axi_awregion, + output logic [7:0] ifu_axi_awlen, + output logic [2:0] ifu_axi_awsize, + output logic [1:0] ifu_axi_awburst, + output logic ifu_axi_awlock, + output logic [3:0] ifu_axi_awcache, + output logic [2:0] ifu_axi_awprot, + output logic [3:0] ifu_axi_awqos, + + output logic ifu_axi_wvalid, + input logic ifu_axi_wready, + output logic [63:0] ifu_axi_wdata, + output logic [7:0] ifu_axi_wstrb, + output logic ifu_axi_wlast, + + input logic ifu_axi_bvalid, + output logic ifu_axi_bready, + input logic [1:0] ifu_axi_bresp, + input logic [pt.IFU_BUS_TAG-1:0] ifu_axi_bid, + + // AXI Read Channels + output logic ifu_axi_arvalid, + input logic ifu_axi_arready, + output logic [pt.IFU_BUS_TAG-1:0] ifu_axi_arid, + output logic [31:0] ifu_axi_araddr, + output logic [3:0] ifu_axi_arregion, + output logic [7:0] ifu_axi_arlen, + output logic [2:0] ifu_axi_arsize, + output logic [1:0] ifu_axi_arburst, + output logic ifu_axi_arlock, + output logic [3:0] ifu_axi_arcache, + output logic [2:0] ifu_axi_arprot, + output logic [3:0] ifu_axi_arqos, + + input logic ifu_axi_rvalid, + output logic ifu_axi_rready, + input logic [pt.IFU_BUS_TAG-1:0] ifu_axi_rid, + input logic [63:0] ifu_axi_rdata, + input logic [1:0] ifu_axi_rresp, + input logic ifu_axi_rlast, + + //-------------------------- SB AXI signals-------------------------- + // AXI Write Channels + output logic sb_axi_awvalid, + input logic sb_axi_awready, + output logic [pt.SB_BUS_TAG-1:0] sb_axi_awid, + output logic [31:0] sb_axi_awaddr, + output logic [3:0] sb_axi_awregion, + output logic [7:0] sb_axi_awlen, + output logic [2:0] sb_axi_awsize, + output logic [1:0] sb_axi_awburst, + output logic sb_axi_awlock, + output logic [3:0] sb_axi_awcache, + output logic [2:0] sb_axi_awprot, + output logic [3:0] sb_axi_awqos, + + output logic sb_axi_wvalid, + input logic sb_axi_wready, + output logic [63:0] sb_axi_wdata, + output logic [7:0] sb_axi_wstrb, + output logic sb_axi_wlast, + + input logic sb_axi_bvalid, + output logic sb_axi_bready, + input logic [1:0] sb_axi_bresp, + input logic [pt.SB_BUS_TAG-1:0] sb_axi_bid, + + // AXI Read Channels + output logic sb_axi_arvalid, + input logic sb_axi_arready, + output logic [pt.SB_BUS_TAG-1:0] sb_axi_arid, + output logic [31:0] sb_axi_araddr, + output logic [3:0] sb_axi_arregion, + output logic [7:0] sb_axi_arlen, + output logic [2:0] sb_axi_arsize, + output logic [1:0] sb_axi_arburst, + output logic sb_axi_arlock, + output logic [3:0] sb_axi_arcache, + output logic [2:0] sb_axi_arprot, + output logic [3:0] sb_axi_arqos, + + input logic sb_axi_rvalid, + output logic sb_axi_rready, + input logic [pt.SB_BUS_TAG-1:0] sb_axi_rid, + input logic [63:0] sb_axi_rdata, + input logic [1:0] sb_axi_rresp, + input logic sb_axi_rlast, + + //-------------------------- DMA AXI signals-------------------------- + // AXI Write Channels + input logic dma_axi_awvalid, + output logic dma_axi_awready, + input logic [pt.DMA_BUS_TAG-1:0] dma_axi_awid, + input logic [31:0] dma_axi_awaddr, + input logic [2:0] dma_axi_awsize, + input logic [2:0] dma_axi_awprot, + input logic [7:0] dma_axi_awlen, + input logic [1:0] dma_axi_awburst, + + + input logic dma_axi_wvalid, + output logic dma_axi_wready, + input logic [63:0] dma_axi_wdata, + input logic [7:0] dma_axi_wstrb, + input logic dma_axi_wlast, + + output logic dma_axi_bvalid, + input logic dma_axi_bready, + output logic [1:0] dma_axi_bresp, + output logic [pt.DMA_BUS_TAG-1:0] dma_axi_bid, + + // AXI Read Channels + input logic dma_axi_arvalid, + output logic dma_axi_arready, + input logic [pt.DMA_BUS_TAG-1:0] dma_axi_arid, + input logic [31:0] dma_axi_araddr, + input logic [2:0] dma_axi_arsize, + input logic [2:0] dma_axi_arprot, + input logic [7:0] dma_axi_arlen, + input logic [1:0] dma_axi_arburst, + + output logic dma_axi_rvalid, + input logic dma_axi_rready, + output logic [pt.DMA_BUS_TAG-1:0] dma_axi_rid, + output logic [63:0] dma_axi_rdata, + output logic [1:0] dma_axi_rresp, + output logic dma_axi_rlast, +`endif + +`ifdef RV_BUILD_AHB_LITE + //// AHB LITE BUS + output logic [31:0] haddr, + output logic [2:0] hburst, + output logic hmastlock, + output logic [3:0] hprot, + output logic [2:0] hsize, + output logic [1:0] htrans, + output logic hwrite, + + input logic [63:0] hrdata, + input logic hready, + input logic hresp, + + // LSU AHB Master + output logic [31:0] lsu_haddr, + output logic [2:0] lsu_hburst, + output logic lsu_hmastlock, + output logic [3:0] lsu_hprot, + output logic [2:0] lsu_hsize, + output logic [1:0] lsu_htrans, + output logic lsu_hwrite, + output logic [63:0] lsu_hwdata, + + input logic [63:0] lsu_hrdata, + input logic lsu_hready, + input logic lsu_hresp, + // Debug Syster Bus AHB + output logic [31:0] sb_haddr, + output logic [2:0] sb_hburst, + output logic sb_hmastlock, + output logic [3:0] sb_hprot, + output logic [2:0] sb_hsize, + output logic [1:0] sb_htrans, + output logic sb_hwrite, + output logic [63:0] sb_hwdata, + + input logic [63:0] sb_hrdata, + input logic sb_hready, + input logic sb_hresp, + + // DMA Slave + input logic dma_hsel, + input logic [31:0] dma_haddr, + input logic [2:0] dma_hburst, + input logic dma_hmastlock, + input logic [3:0] dma_hprot, + input logic [2:0] dma_hsize, + input logic [1:0] dma_htrans, + input logic dma_hwrite, + input logic [63:0] dma_hwdata, + input logic dma_hreadyin, + + output logic [63:0] dma_hrdata, + output logic dma_hreadyout, + output logic dma_hresp, +`endif + // clk ratio signals + input logic lsu_bus_clk_en, // Clock ratio b/w cpu core clk & AHB master interface + input logic ifu_bus_clk_en, // Clock ratio b/w cpu core clk & AHB master interface + input logic dbg_bus_clk_en, // Clock ratio b/w cpu core clk & AHB master interface + input logic dma_bus_clk_en, // Clock ratio b/w cpu core clk & AHB slave interface + + // all of these test inputs are brought to top-level; must be tied off based on usage by physical design (ie. icache or not, iccm or not, dccm or not) + + input eb1_dccm_ext_in_pkt_t [pt.DCCM_NUM_BANKS-1:0] dccm_ext_in_pkt, + input eb1_ccm_ext_in_pkt_t [pt.ICCM_NUM_BANKS-1:0] iccm_ext_in_pkt, + input eb1_ic_data_ext_in_pkt_t [pt.ICACHE_NUM_WAYS-1:0][pt.ICACHE_BANKS_WAY-1:0] ic_data_ext_in_pkt, + input eb1_ic_tag_ext_in_pkt_t [pt.ICACHE_NUM_WAYS-1:0] ic_tag_ext_in_pkt, + + input logic timer_int, + input logic soft_int, + input logic [pt.PIC_TOTAL_INT:1] extintsrc_req, + + output logic dec_tlu_perfcnt0, // toggles when slot0 perf counter 0 has an event inc + output logic dec_tlu_perfcnt1, + output logic dec_tlu_perfcnt2, + output logic dec_tlu_perfcnt3, + + // ports added by the soc team + input logic jtag_tck, // JTAG clk + input logic jtag_tms, // JTAG TMS + input logic jtag_tdi, // JTAG tdi + input logic jtag_trst_n, // JTAG Reset + output logic jtag_tdo, // JTAG TDO + + input logic [31:4] core_id, + + // external MPC halt/run interface + input logic mpc_debug_halt_req, // Async halt request + input logic mpc_debug_run_req, // Async run request + input logic mpc_reset_run_req, // Run/halt after reset + output logic mpc_debug_halt_ack, // Halt ack + output logic mpc_debug_run_ack, // Run ack + output logic debug_brkpt_status, // debug breakpoint + + input logic i_cpu_halt_req, // Async halt req to CPU + output logic o_cpu_halt_ack, // core response to halt + output logic o_cpu_halt_status, // 1'b1 indicates core is halted + output logic o_debug_mode_status, // Core to the PMU that core is in debug mode. When core is in debug mode, the PMU should refrain from sendng a halt or run request + input logic i_cpu_run_req, // Async restart req to CPU + output logic o_cpu_run_ack, // Core response to run req + input logic scan_mode, // To enable scan mode + input logic mbist_mode, // to enable mbist + input [15:0] CLKS_PER_BIT +); + + logic active_l2clk; + logic free_l2clk; + + // DCCM ports + logic dccm_wren; + logic dccm_rden; + logic [pt.DCCM_BITS-1:0] dccm_wr_addr_lo; + logic [pt.DCCM_BITS-1:0] dccm_wr_addr_hi; + logic [pt.DCCM_BITS-1:0] dccm_rd_addr_lo; + logic [pt.DCCM_BITS-1:0] dccm_rd_addr_hi; + logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_lo; + logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_hi; + + logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_lo; + logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_hi; + + // PIC ports + + // Icache & Itag ports + logic [31:1] ic_rw_addr; + logic [pt.ICACHE_NUM_WAYS-1:0] ic_wr_en ; // Which way to write + logic ic_rd_en ; + + + logic [pt.ICACHE_NUM_WAYS-1:0] ic_tag_valid; // Valid from the I$ tag valid outside (in flops). + + logic [pt.ICACHE_NUM_WAYS-1:0] ic_rd_hit; // ic_rd_hit[3:0] + logic ic_tag_perr; // Ic tag parity error + + logic [pt.ICACHE_INDEX_HI:3] ic_debug_addr; // Read/Write addresss to the Icache. + logic ic_debug_rd_en; // Icache debug rd + logic ic_debug_wr_en; // Icache debug wr + logic ic_debug_tag_array; // Debug tag array + logic [pt.ICACHE_NUM_WAYS-1:0] ic_debug_way; // Debug way. Rd or Wr. + + logic [25:0] ictag_debug_rd_data; // Debug icache tag. + logic [pt.ICACHE_BANKS_WAY-1:0][70:0] ic_wr_data; + logic [63:0] ic_rd_data; + logic [70:0] ic_debug_rd_data; // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC + logic [70:0] ic_debug_wr_data; // Debug wr cache. + + logic [pt.ICACHE_BANKS_WAY-1:0] ic_eccerr; // ecc error per bank + logic [pt.ICACHE_BANKS_WAY-1:0] ic_parerr; // parity error per bank + + logic [63:0] ic_premux_data; + logic ic_sel_premux_data; + + // ICCM ports + logic [pt.ICCM_BITS-1:1] iccm_rw_addr; + logic iccm_wren; + logic iccm_rden; + logic [2:0] iccm_wr_size; + logic [77:0] iccm_wr_data; + logic iccm_buf_correct_ecc; + logic iccm_correction_state; + + logic [63:0] iccm_rd_data; + logic [77:0] iccm_rd_data_ecc; + + logic core_rst; + logic core_rst_l; // Core reset including rst_l and dbg_rst_l + logic jtag_tdoEn; + + logic dccm_clk_override; + logic icm_clk_override; + logic dec_tlu_core_ecc_disable; + + + // zero out the signals not presented at the wrapper instantiation level +`ifdef RV_BUILD_AXI4 + + //// AHB LITE BUS + logic [31:0] haddr; + logic [2:0] hburst; + logic hmastlock; + logic [3:0] hprot; + logic [2:0] hsize; + logic [1:0] htrans; + logic hwrite; + + logic [63:0] hrdata; + logic hready; + logic hresp; + + // LSU AHB Master + logic [31:0] lsu_haddr; + logic [2:0] lsu_hburst; + logic lsu_hmastlock; + logic [3:0] lsu_hprot; + logic [2:0] lsu_hsize; + logic [1:0] lsu_htrans; + logic lsu_hwrite; + logic [63:0] lsu_hwdata; + + logic [63:0] lsu_hrdata; + logic lsu_hready; + logic lsu_hresp; + // Debug Syster Bus AHB + logic [31:0] sb_haddr; + logic [2:0] sb_hburst; + logic sb_hmastlock; + logic [3:0] sb_hprot; + logic [2:0] sb_hsize; + logic [1:0] sb_htrans; + logic sb_hwrite; + logic [63:0] sb_hwdata; + + logic [63:0] sb_hrdata; + logic sb_hready; + logic sb_hresp; + + // DMA Slave + logic dma_hsel; + logic [31:0] dma_haddr; + logic [2:0] dma_hburst; + logic dma_hmastlock; + logic [3:0] dma_hprot; + logic [2:0] dma_hsize; + logic [1:0] dma_htrans; + logic dma_hwrite; + logic [63:0] dma_hwdata; + logic dma_hreadyin; + + logic [63:0] dma_hrdata; + logic dma_hreadyout; + logic dma_hresp; + + + + // AHB + assign hrdata[63:0] = '0; + assign hready = '0; + assign hresp = '0; + // LSU + assign lsu_hrdata[63:0] = '0; + assign lsu_hready = '0; + assign lsu_hresp = '0; + // Debu + assign sb_hrdata[63:0] = '0; + assign sb_hready = '0; + assign sb_hresp = '0; + + // DMA + assign dma_hsel = '0; + assign dma_haddr[31:0] = '0; + assign dma_hburst[2:0] = '0; + assign dma_hmastlock = '0; + assign dma_hprot[3:0] = '0; + assign dma_hsize[2:0] = '0; + assign dma_htrans[1:0] = '0; + assign dma_hwrite = '0; + assign dma_hwdata[63:0] = '0; + assign dma_hreadyin = '0; + +`endif // `ifdef RV_BUILD_AXI4 + + +`ifdef RV_BUILD_AHB_LITE + wire lsu_axi_awvalid; + wire lsu_axi_awready; + wire [pt.LSU_BUS_TAG-1:0] lsu_axi_awid; + wire [31:0] lsu_axi_awaddr; + wire [3:0] lsu_axi_awregion; + wire [7:0] lsu_axi_awlen; + wire [2:0] lsu_axi_awsize; + wire [1:0] lsu_axi_awburst; + wire lsu_axi_awlock; + wire [3:0] lsu_axi_awcache; + wire [2:0] lsu_axi_awprot; + wire [3:0] lsu_axi_awqos; + + wire lsu_axi_wvalid; + wire lsu_axi_wready; + wire [63:0] lsu_axi_wdata; + wire [7:0] lsu_axi_wstrb; + wire lsu_axi_wlast; + + wire lsu_axi_bvalid; + wire lsu_axi_bready; + wire [1:0] lsu_axi_bresp; + wire [pt.LSU_BUS_TAG-1:0] lsu_axi_bid; + + // AXI Read Channels + wire lsu_axi_arvalid; + wire lsu_axi_arready; + wire [pt.LSU_BUS_TAG-1:0] lsu_axi_arid; + wire [31:0] lsu_axi_araddr; + wire [3:0] lsu_axi_arregion; + wire [7:0] lsu_axi_arlen; + wire [2:0] lsu_axi_arsize; + wire [1:0] lsu_axi_arburst; + wire lsu_axi_arlock; + wire [3:0] lsu_axi_arcache; + wire [2:0] lsu_axi_arprot; + wire [3:0] lsu_axi_arqos; + + wire lsu_axi_rvalid; + wire lsu_axi_rready; + wire [pt.LSU_BUS_TAG-1:0] lsu_axi_rid; + wire [63:0] lsu_axi_rdata; + wire [1:0] lsu_axi_rresp; + wire lsu_axi_rlast; + + //-------------------------- IFU AXI signals-------------------------- + // AXI Write Channels + wire ifu_axi_awvalid; + wire ifu_axi_awready; + wire [pt.IFU_BUS_TAG-1:0] ifu_axi_awid; + wire [31:0] ifu_axi_awaddr; + wire [3:0] ifu_axi_awregion; + wire [7:0] ifu_axi_awlen; + wire [2:0] ifu_axi_awsize; + wire [1:0] ifu_axi_awburst; + wire ifu_axi_awlock; + wire [3:0] ifu_axi_awcache; + wire [2:0] ifu_axi_awprot; + wire [3:0] ifu_axi_awqos; + + wire ifu_axi_wvalid; + wire ifu_axi_wready; + wire [63:0] ifu_axi_wdata; + wire [7:0] ifu_axi_wstrb; + wire ifu_axi_wlast; + + wire ifu_axi_bvalid; + wire ifu_axi_bready; + wire [1:0] ifu_axi_bresp; + wire [pt.IFU_BUS_TAG-1:0] ifu_axi_bid; + + // AXI Read Channels + wire ifu_axi_arvalid; + wire ifu_axi_arready; + wire [pt.IFU_BUS_TAG-1:0] ifu_axi_arid; + wire [31:0] ifu_axi_araddr; + wire [3:0] ifu_axi_arregion; + wire [7:0] ifu_axi_arlen; + wire [2:0] ifu_axi_arsize; + wire [1:0] ifu_axi_arburst; + wire ifu_axi_arlock; + wire [3:0] ifu_axi_arcache; + wire [2:0] ifu_axi_arprot; + wire [3:0] ifu_axi_arqos; + + wire ifu_axi_rvalid; + wire ifu_axi_rready; + wire [pt.IFU_BUS_TAG-1:0] ifu_axi_rid; + wire [63:0] ifu_axi_rdata; + wire [1:0] ifu_axi_rresp; + wire ifu_axi_rlast; + + //-------------------------- SB AXI signals-------------------------- + // AXI Write Channels + wire sb_axi_awvalid; + wire sb_axi_awready; + wire [pt.SB_BUS_TAG-1:0] sb_axi_awid; + wire [31:0] sb_axi_awaddr; + wire [3:0] sb_axi_awregion; + wire [7:0] sb_axi_awlen; + wire [2:0] sb_axi_awsize; + wire [1:0] sb_axi_awburst; + wire sb_axi_awlock; + wire [3:0] sb_axi_awcache; + wire [2:0] sb_axi_awprot; + wire [3:0] sb_axi_awqos; + + wire sb_axi_wvalid; + wire sb_axi_wready; + wire [63:0] sb_axi_wdata; + wire [7:0] sb_axi_wstrb; + wire sb_axi_wlast; + + wire sb_axi_bvalid; + wire sb_axi_bready; + wire [1:0] sb_axi_bresp; + wire [pt.SB_BUS_TAG-1:0] sb_axi_bid; + + // AXI Read Channels + wire sb_axi_arvalid; + wire sb_axi_arready; + wire [pt.SB_BUS_TAG-1:0] sb_axi_arid; + wire [31:0] sb_axi_araddr; + wire [3:0] sb_axi_arregion; + wire [7:0] sb_axi_arlen; + wire [2:0] sb_axi_arsize; + wire [1:0] sb_axi_arburst; + wire sb_axi_arlock; + wire [3:0] sb_axi_arcache; + wire [2:0] sb_axi_arprot; + wire [3:0] sb_axi_arqos; + + wire sb_axi_rvalid; + wire sb_axi_rready; + wire [pt.SB_BUS_TAG-1:0] sb_axi_rid; + wire [63:0] sb_axi_rdata; + wire [1:0] sb_axi_rresp; + wire sb_axi_rlast; + + //-------------------------- DMA AXI signals-------------------------- + // AXI Write Channels + wire dma_axi_awvalid; + wire dma_axi_awready; + wire [pt.DMA_BUS_TAG-1:0] dma_axi_awid; + wire [31:0] dma_axi_awaddr; + wire [2:0] dma_axi_awsize; + wire [2:0] dma_axi_awprot; + wire [7:0] dma_axi_awlen; + wire [1:0] dma_axi_awburst; + + + wire dma_axi_wvalid; + wire dma_axi_wready; + wire [63:0] dma_axi_wdata; + wire [7:0] dma_axi_wstrb; + wire dma_axi_wlast; + + wire dma_axi_bvalid; + wire dma_axi_bready; + wire [1:0] dma_axi_bresp; + wire [pt.DMA_BUS_TAG-1:0] dma_axi_bid; + + // AXI Read Channels + wire dma_axi_arvalid; + wire dma_axi_arready; + wire [pt.DMA_BUS_TAG-1:0] dma_axi_arid; + wire [31:0] dma_axi_araddr; + wire [2:0] dma_axi_arsize; + wire [2:0] dma_axi_arprot; + wire [7:0] dma_axi_arlen; + wire [1:0] dma_axi_arburst; + + wire dma_axi_rvalid; + wire dma_axi_rready; + wire [pt.DMA_BUS_TAG-1:0] dma_axi_rid; + wire [63:0] dma_axi_rdata; + wire [1:0] dma_axi_rresp; + wire dma_axi_rlast; + + // AXI + assign ifu_axi_awready = 1'b1; + assign ifu_axi_wready = 1'b1; + assign ifu_axi_bvalid = '0; + assign ifu_axi_bresp[1:0] = '0; + assign ifu_axi_bid[pt.IFU_BUS_TAG-1:0] = '0; + +`endif // `ifdef RV_BUILD_AHB_LITE + + logic dmi_reg_en; + logic [6:0] dmi_reg_addr; + logic dmi_reg_wr_en; + logic [31:0] dmi_reg_wdata; + logic [31:0] dmi_reg_rdata; + logic rx_dv_i; + logic [7:0] rx_byte_i; + logic iccm_instr_we; + logic [13:0] iccm_instr_addr; + logic [31:0] iccm_instr_wdata; + // UART Receiver + + + // Instantiate the eb1_brqrv core + eb1_brqrv #(.pt(pt)) brqrv ( + .clk(clk), + .rst_l(core_rst), + .* + ); + + // Instantiate the mem + eb1_mem #(.pt(pt)) mem ( + .clk(active_l2clk), + .rst_l(rst_l), + .iccm_rw_addr((core_rst) ? iccm_rw_addr : iccm_instr_addr[10:0]), + .iccm_wren((core_rst) ? iccm_wren : iccm_instr_we), + .iccm_wr_data((core_rst) ? iccm_wr_data : {7'h0,iccm_instr_wdata,7'h0,iccm_instr_wdata}), + .iccm_wr_size((core_rst) ? iccm_wr_size : 3'b010), + .* + ); + + eb1_iccm_controller iccm_controller( + .clk_i(clk), + .rst_ni(rst_l), + .rx_dv_i(rx_dv_i), + .rx_byte_i(rx_byte_i), + .we_o(iccm_instr_we), + .addr_o(iccm_instr_addr), + .wdata_o(iccm_instr_wdata), + .reset_o(core_rst) + ); + eb1_uart_rx_prog uart_rx_m( + .i_Clock(clk), + .rst_ni(rst_l), + .i_Rx_Serial(uart_rx), + .CLKS_PER_BIT(CLKS_PER_BIT), + .o_Rx_DV(rx_dv_i), + .o_Rx_Byte(rx_byte_i) + ); + + + // JTAG/DMI instance + dmi_wrapper dmi_wrapper ( + // JTAG signals + .trst_n (jtag_trst_n), // JTAG reset + .tck (jtag_tck), // JTAG clock + .tms (jtag_tms), // Test mode select + .tdi (jtag_tdi), // Test Data Input + .tdo (jtag_tdo), // Test Data Output + .tdoEnable (), + // Processor Signals + .core_rst_n (dbg_rst_l), // Debug reset, active low + .core_clk (clk), // Core clock + .jtag_id (jtag_id), // JTAG ID + .rd_data (dmi_reg_rdata), // Read data from Processor + .reg_wr_data (dmi_reg_wdata), // Write data to Processor + .reg_wr_addr (dmi_reg_addr), // Write address to Processor + .reg_en (dmi_reg_en), // Write interface bit to Processor + .reg_wr_en (dmi_reg_wr_en), // Write enable to Processor + .dmi_hard_reset () + ); + + + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// Function: Top level brqrv core file +// Comments: +// +//******************************************************************************** +module eb1_brqrv +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, + input logic rst_l, + input logic dbg_rst_l, + input logic [31:1] rst_vec, + input logic nmi_int, + input logic [31:1] nmi_vec, + output logic core_rst_l, // This is "rst_l | dbg_rst_l" + + output logic active_l2clk, + output logic free_l2clk, + + output logic [31:0] trace_rv_i_insn_ip, + output logic [31:0] trace_rv_i_address_ip, + output logic trace_rv_i_valid_ip, + output logic trace_rv_i_exception_ip, + output logic [4:0] trace_rv_i_ecause_ip, + output logic trace_rv_i_interrupt_ip, + output logic [31:0] trace_rv_i_tval_ip, + + + output logic dccm_clk_override, + output logic icm_clk_override, + output logic dec_tlu_core_ecc_disable, + + // external halt/run interface + input logic i_cpu_halt_req, // Asynchronous Halt request to CPU + input logic i_cpu_run_req, // Asynchronous Restart request to CPU + output logic o_cpu_halt_ack, // Core Acknowledge to Halt request + output logic o_cpu_halt_status, // 1'b1 indicates processor is halted + output logic o_cpu_run_ack, // Core Acknowledge to run request + output logic o_debug_mode_status, // Core to the PMU that core is in debug mode. When core is in debug mode, the PMU should refrain from sendng a halt or run request + + input logic [31:4] core_id, // CORE ID + + // external MPC halt/run interface + input logic mpc_debug_halt_req, // Async halt request + input logic mpc_debug_run_req, // Async run request + input logic mpc_reset_run_req, // Run/halt after reset + output logic mpc_debug_halt_ack, // Halt ack + output logic mpc_debug_run_ack, // Run ack + output logic debug_brkpt_status, // debug breakpoint + + output logic dec_tlu_perfcnt0, // toggles when slot0 perf counter 0 has an event inc + output logic dec_tlu_perfcnt1, + output logic dec_tlu_perfcnt2, + output logic dec_tlu_perfcnt3, + + // DCCM ports + output logic dccm_wren, + output logic dccm_rden, + output logic [pt.DCCM_BITS-1:0] dccm_wr_addr_lo, + output logic [pt.DCCM_BITS-1:0] dccm_wr_addr_hi, + output logic [pt.DCCM_BITS-1:0] dccm_rd_addr_lo, + output logic [pt.DCCM_BITS-1:0] dccm_rd_addr_hi, + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_lo, + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_hi, + + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_lo, + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_hi, + + // ICCM ports + output logic [pt.ICCM_BITS-1:1] iccm_rw_addr, + output logic iccm_wren, + output logic iccm_rden, + output logic [2:0] iccm_wr_size, + output logic [77:0] iccm_wr_data, + output logic iccm_buf_correct_ecc, + output logic iccm_correction_state, + + input logic [63:0] iccm_rd_data, + input logic [77:0] iccm_rd_data_ecc, + + // ICache , ITAG ports + output logic [31:1] ic_rw_addr, + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_tag_valid, + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_wr_en, + output logic ic_rd_en, + + output logic [pt.ICACHE_BANKS_WAY-1:0][70:0] ic_wr_data, // Data to fill to the Icache. With ECC + input logic [63:0] ic_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC + input logic [70:0] ic_debug_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC + input logic [25:0] ictag_debug_rd_data,// Debug icache tag. + output logic [70:0] ic_debug_wr_data, // Debug wr cache. + + input logic [pt.ICACHE_BANKS_WAY-1:0] ic_eccerr, + input logic [pt.ICACHE_BANKS_WAY-1:0] ic_parerr, + output logic [63:0] ic_premux_data, // Premux data to be muxed with each way of the Icache. + output logic ic_sel_premux_data, // Select premux data + + + output logic [pt.ICACHE_INDEX_HI:3] ic_debug_addr, // Read/Write addresss to the Icache. + output logic ic_debug_rd_en, // Icache debug rd + output logic ic_debug_wr_en, // Icache debug wr + output logic ic_debug_tag_array, // Debug tag array + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_debug_way, // Debug way. Rd or Wr. + + + + input logic [pt.ICACHE_NUM_WAYS-1:0] ic_rd_hit, + input logic ic_tag_perr, // Icache Tag parity error + + //-------------------------- LSU AXI signals-------------------------- + // AXI Write Channels + output logic lsu_axi_awvalid, + input logic lsu_axi_awready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_awid, + output logic [31:0] lsu_axi_awaddr, + output logic [3:0] lsu_axi_awregion, + output logic [7:0] lsu_axi_awlen, + output logic [2:0] lsu_axi_awsize, + output logic [1:0] lsu_axi_awburst, + output logic lsu_axi_awlock, + output logic [3:0] lsu_axi_awcache, + output logic [2:0] lsu_axi_awprot, + output logic [3:0] lsu_axi_awqos, + + output logic lsu_axi_wvalid, + input logic lsu_axi_wready, + output logic [63:0] lsu_axi_wdata, + output logic [7:0] lsu_axi_wstrb, + output logic lsu_axi_wlast, + + input logic lsu_axi_bvalid, + output logic lsu_axi_bready, + input logic [1:0] lsu_axi_bresp, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_bid, + + // AXI Read Channels + output logic lsu_axi_arvalid, + input logic lsu_axi_arready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_arid, + output logic [31:0] lsu_axi_araddr, + output logic [3:0] lsu_axi_arregion, + output logic [7:0] lsu_axi_arlen, + output logic [2:0] lsu_axi_arsize, + output logic [1:0] lsu_axi_arburst, + output logic lsu_axi_arlock, + output logic [3:0] lsu_axi_arcache, + output logic [2:0] lsu_axi_arprot, + output logic [3:0] lsu_axi_arqos, + + input logic lsu_axi_rvalid, + output logic lsu_axi_rready, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_rid, + input logic [63:0] lsu_axi_rdata, + input logic [1:0] lsu_axi_rresp, + input logic lsu_axi_rlast, + + //-------------------------- IFU AXI signals-------------------------- + // AXI Write Channels + output logic ifu_axi_awvalid, + input logic ifu_axi_awready, + output logic [pt.IFU_BUS_TAG-1:0] ifu_axi_awid, + output logic [31:0] ifu_axi_awaddr, + output logic [3:0] ifu_axi_awregion, + output logic [7:0] ifu_axi_awlen, + output logic [2:0] ifu_axi_awsize, + output logic [1:0] ifu_axi_awburst, + output logic ifu_axi_awlock, + output logic [3:0] ifu_axi_awcache, + output logic [2:0] ifu_axi_awprot, + output logic [3:0] ifu_axi_awqos, + + output logic ifu_axi_wvalid, + input logic ifu_axi_wready, + output logic [63:0] ifu_axi_wdata, + output logic [7:0] ifu_axi_wstrb, + output logic ifu_axi_wlast, + + input logic ifu_axi_bvalid, + output logic ifu_axi_bready, + input logic [1:0] ifu_axi_bresp, + input logic [pt.IFU_BUS_TAG-1:0] ifu_axi_bid, + + // AXI Read Channels + output logic ifu_axi_arvalid, + input logic ifu_axi_arready, + output logic [pt.IFU_BUS_TAG-1:0] ifu_axi_arid, + output logic [31:0] ifu_axi_araddr, + output logic [3:0] ifu_axi_arregion, + output logic [7:0] ifu_axi_arlen, + output logic [2:0] ifu_axi_arsize, + output logic [1:0] ifu_axi_arburst, + output logic ifu_axi_arlock, + output logic [3:0] ifu_axi_arcache, + output logic [2:0] ifu_axi_arprot, + output logic [3:0] ifu_axi_arqos, + + input logic ifu_axi_rvalid, + output logic ifu_axi_rready, + input logic [pt.IFU_BUS_TAG-1:0] ifu_axi_rid, + input logic [63:0] ifu_axi_rdata, + input logic [1:0] ifu_axi_rresp, + input logic ifu_axi_rlast, + + //-------------------------- SB AXI signals-------------------------- + // AXI Write Channels + output logic sb_axi_awvalid, + input logic sb_axi_awready, + output logic [pt.SB_BUS_TAG-1:0] sb_axi_awid, + output logic [31:0] sb_axi_awaddr, + output logic [3:0] sb_axi_awregion, + output logic [7:0] sb_axi_awlen, + output logic [2:0] sb_axi_awsize, + output logic [1:0] sb_axi_awburst, + output logic sb_axi_awlock, + output logic [3:0] sb_axi_awcache, + output logic [2:0] sb_axi_awprot, + output logic [3:0] sb_axi_awqos, + + output logic sb_axi_wvalid, + input logic sb_axi_wready, + output logic [63:0] sb_axi_wdata, + output logic [7:0] sb_axi_wstrb, + output logic sb_axi_wlast, + + input logic sb_axi_bvalid, + output logic sb_axi_bready, + input logic [1:0] sb_axi_bresp, + input logic [pt.SB_BUS_TAG-1:0] sb_axi_bid, + + // AXI Read Channels + output logic sb_axi_arvalid, + input logic sb_axi_arready, + output logic [pt.SB_BUS_TAG-1:0] sb_axi_arid, + output logic [31:0] sb_axi_araddr, + output logic [3:0] sb_axi_arregion, + output logic [7:0] sb_axi_arlen, + output logic [2:0] sb_axi_arsize, + output logic [1:0] sb_axi_arburst, + output logic sb_axi_arlock, + output logic [3:0] sb_axi_arcache, + output logic [2:0] sb_axi_arprot, + output logic [3:0] sb_axi_arqos, + + input logic sb_axi_rvalid, + output logic sb_axi_rready, + input logic [pt.SB_BUS_TAG-1:0] sb_axi_rid, + input logic [63:0] sb_axi_rdata, + input logic [1:0] sb_axi_rresp, + input logic sb_axi_rlast, + + //-------------------------- DMA AXI signals-------------------------- + // AXI Write Channels + input logic dma_axi_awvalid, + output logic dma_axi_awready, + input logic [pt.DMA_BUS_TAG-1:0] dma_axi_awid, + input logic [31:0] dma_axi_awaddr, + input logic [2:0] dma_axi_awsize, + input logic [2:0] dma_axi_awprot, + input logic [7:0] dma_axi_awlen, + input logic [1:0] dma_axi_awburst, + + + input logic dma_axi_wvalid, + output logic dma_axi_wready, + input logic [63:0] dma_axi_wdata, + input logic [7:0] dma_axi_wstrb, + input logic dma_axi_wlast, + + output logic dma_axi_bvalid, + input logic dma_axi_bready, + output logic [1:0] dma_axi_bresp, + output logic [pt.DMA_BUS_TAG-1:0] dma_axi_bid, + + // AXI Read Channels + input logic dma_axi_arvalid, + output logic dma_axi_arready, + input logic [pt.DMA_BUS_TAG-1:0] dma_axi_arid, + input logic [31:0] dma_axi_araddr, + input logic [2:0] dma_axi_arsize, + input logic [2:0] dma_axi_arprot, + input logic [7:0] dma_axi_arlen, + input logic [1:0] dma_axi_arburst, + + output logic dma_axi_rvalid, + input logic dma_axi_rready, + output logic [pt.DMA_BUS_TAG-1:0] dma_axi_rid, + output logic [63:0] dma_axi_rdata, + output logic [1:0] dma_axi_rresp, + output logic dma_axi_rlast, + + + //// AHB LITE BUS + output logic [31:0] haddr, + output logic [2:0] hburst, + output logic hmastlock, + output logic [3:0] hprot, + output logic [2:0] hsize, + output logic [1:0] htrans, + output logic hwrite, + + input logic [63:0] hrdata, + input logic hready, + input logic hresp, + + // LSU AHB Master + output logic [31:0] lsu_haddr, + output logic [2:0] lsu_hburst, + output logic lsu_hmastlock, + output logic [3:0] lsu_hprot, + output logic [2:0] lsu_hsize, + output logic [1:0] lsu_htrans, + output logic lsu_hwrite, + output logic [63:0] lsu_hwdata, + + input logic [63:0] lsu_hrdata, + input logic lsu_hready, + input logic lsu_hresp, + + //System Bus Debug Master + output logic [31:0] sb_haddr, + output logic [2:0] sb_hburst, + output logic sb_hmastlock, + output logic [3:0] sb_hprot, + output logic [2:0] sb_hsize, + output logic [1:0] sb_htrans, + output logic sb_hwrite, + output logic [63:0] sb_hwdata, + + input logic [63:0] sb_hrdata, + input logic sb_hready, + input logic sb_hresp, + + // DMA Slave + input logic dma_hsel, + input logic [31:0] dma_haddr, + input logic [2:0] dma_hburst, + input logic dma_hmastlock, + input logic [3:0] dma_hprot, + input logic [2:0] dma_hsize, + input logic [1:0] dma_htrans, + input logic dma_hwrite, + input logic [63:0] dma_hwdata, + input logic dma_hreadyin, + + output logic [63:0] dma_hrdata, + output logic dma_hreadyout, + output logic dma_hresp, + + input logic lsu_bus_clk_en, + input logic ifu_bus_clk_en, + input logic dbg_bus_clk_en, + input logic dma_bus_clk_en, + + input logic dmi_reg_en, // read or write + input logic [6:0] dmi_reg_addr, // address of DM register + input logic dmi_reg_wr_en, // write instruction + input logic [31:0] dmi_reg_wdata, // write data + output logic [31:0] dmi_reg_rdata, + + input logic [pt.PIC_TOTAL_INT:1] extintsrc_req, + input logic timer_int, + input logic soft_int, + input logic scan_mode +); + + + + + logic [63:0] hwdata_nc; + //---------------------------------------------------------------------- + // + //---------------------------------------------------------------------- + + logic ifu_pmu_instr_aligned; + logic ifu_ic_error_start; + logic ifu_iccm_rd_ecc_single_err; + + logic lsu_axi_awready_ahb; + logic lsu_axi_wready_ahb; + logic lsu_axi_bvalid_ahb; + logic lsu_axi_bready_ahb; + logic [1:0] lsu_axi_bresp_ahb; + logic [pt.LSU_BUS_TAG-1:0] lsu_axi_bid_ahb; + logic lsu_axi_arready_ahb; + logic lsu_axi_rvalid_ahb; + logic [pt.LSU_BUS_TAG-1:0] lsu_axi_rid_ahb; + logic [63:0] lsu_axi_rdata_ahb; + logic [1:0] lsu_axi_rresp_ahb; + logic lsu_axi_rlast_ahb; + + logic lsu_axi_awready_int; + logic lsu_axi_wready_int; + logic lsu_axi_bvalid_int; + logic lsu_axi_bready_int; + logic [1:0] lsu_axi_bresp_int; + logic [pt.LSU_BUS_TAG-1:0] lsu_axi_bid_int; + logic lsu_axi_arready_int; + logic lsu_axi_rvalid_int; + logic [pt.LSU_BUS_TAG-1:0] lsu_axi_rid_int; + logic [63:0] lsu_axi_rdata_int; + logic [1:0] lsu_axi_rresp_int; + logic lsu_axi_rlast_int; + + logic ifu_axi_awready_ahb; + logic ifu_axi_wready_ahb; + logic ifu_axi_bvalid_ahb; + logic ifu_axi_bready_ahb; + logic [1:0] ifu_axi_bresp_ahb; + logic [pt.IFU_BUS_TAG-1:0] ifu_axi_bid_ahb; + logic ifu_axi_arready_ahb; + logic ifu_axi_rvalid_ahb; + logic [pt.IFU_BUS_TAG-1:0] ifu_axi_rid_ahb; + logic [63:0] ifu_axi_rdata_ahb; + logic [1:0] ifu_axi_rresp_ahb; + logic ifu_axi_rlast_ahb; + + logic ifu_axi_awready_int; + logic ifu_axi_wready_int; + logic ifu_axi_bvalid_int; + logic ifu_axi_bready_int; + logic [1:0] ifu_axi_bresp_int; + logic [pt.IFU_BUS_TAG-1:0] ifu_axi_bid_int; + logic ifu_axi_arready_int; + logic ifu_axi_rvalid_int; + logic [pt.IFU_BUS_TAG-1:0] ifu_axi_rid_int; + logic [63:0] ifu_axi_rdata_int; + logic [1:0] ifu_axi_rresp_int; + logic ifu_axi_rlast_int; + + logic sb_axi_awready_ahb; + logic sb_axi_wready_ahb; + logic sb_axi_bvalid_ahb; + logic sb_axi_bready_ahb; + logic [1:0] sb_axi_bresp_ahb; + logic [pt.SB_BUS_TAG-1:0] sb_axi_bid_ahb; + logic sb_axi_arready_ahb; + logic sb_axi_rvalid_ahb; + logic [pt.SB_BUS_TAG-1:0] sb_axi_rid_ahb; + logic [63:0] sb_axi_rdata_ahb; + logic [1:0] sb_axi_rresp_ahb; + logic sb_axi_rlast_ahb; + + logic sb_axi_awready_int; + logic sb_axi_wready_int; + logic sb_axi_bvalid_int; + logic sb_axi_bready_int; + logic [1:0] sb_axi_bresp_int; + logic [pt.SB_BUS_TAG-1:0] sb_axi_bid_int; + logic sb_axi_arready_int; + logic sb_axi_rvalid_int; + logic [pt.SB_BUS_TAG-1:0] sb_axi_rid_int; + logic [63:0] sb_axi_rdata_int; + logic [1:0] sb_axi_rresp_int; + logic sb_axi_rlast_int; + + logic dma_axi_awvalid_ahb; + logic [pt.DMA_BUS_TAG-1:0] dma_axi_awid_ahb; + logic [31:0] dma_axi_awaddr_ahb; + logic [2:0] dma_axi_awsize_ahb; + logic [2:0] dma_axi_awprot_ahb; + logic [7:0] dma_axi_awlen_ahb; + logic [1:0] dma_axi_awburst_ahb; + logic dma_axi_wvalid_ahb; + logic [63:0] dma_axi_wdata_ahb; + logic [7:0] dma_axi_wstrb_ahb; + logic dma_axi_wlast_ahb; + logic dma_axi_bready_ahb; + logic dma_axi_arvalid_ahb; + logic [pt.DMA_BUS_TAG-1:0] dma_axi_arid_ahb; + logic [31:0] dma_axi_araddr_ahb; + logic [2:0] dma_axi_arsize_ahb; + logic [2:0] dma_axi_arprot_ahb; + logic [7:0] dma_axi_arlen_ahb; + logic [1:0] dma_axi_arburst_ahb; + logic dma_axi_rready_ahb; + + logic dma_axi_awvalid_int; + logic [pt.DMA_BUS_TAG-1:0] dma_axi_awid_int; + logic [31:0] dma_axi_awaddr_int; + logic [2:0] dma_axi_awsize_int; + logic [2:0] dma_axi_awprot_int; + logic [7:0] dma_axi_awlen_int; + logic [1:0] dma_axi_awburst_int; + logic dma_axi_wvalid_int; + logic [63:0] dma_axi_wdata_int; + logic [7:0] dma_axi_wstrb_int; + logic dma_axi_wlast_int; + logic dma_axi_bready_int; + logic dma_axi_arvalid_int; + logic [pt.DMA_BUS_TAG-1:0] dma_axi_arid_int; + logic [31:0] dma_axi_araddr_int; + logic [2:0] dma_axi_arsize_int; + logic [2:0] dma_axi_arprot_int; + logic [7:0] dma_axi_arlen_int; + logic [1:0] dma_axi_arburst_int; + logic dma_axi_rready_int; + + +// Icache debug + logic [70:0] ifu_ic_debug_rd_data; // diagnostic icache read data + logic ifu_ic_debug_rd_data_valid; // diagnostic icache read data valid + eb1_cache_debug_pkt_t dec_tlu_ic_diag_pkt; // packet of DICAWICS, DICAD0/1, DICAGO info for icache diagnostics + + + logic dec_i0_rs1_en_d; + logic dec_i0_rs2_en_d; + logic [31:0] gpr_i0_rs1_d; + logic [31:0] gpr_i0_rs2_d; + + logic [31:0] dec_i0_result_r; + logic [31:0] exu_i0_result_x; + logic [31:1] exu_i0_pc_x; + logic [31:1] exu_npc_r; + + eb1_alu_pkt_t i0_ap; + + // Trigger signals + eb1_trigger_pkt_t [3:0] trigger_pkt_any; + logic [3:0] lsu_trigger_match_m; + + + logic [31:0] dec_i0_immed_d; + logic [12:1] dec_i0_br_immed_d; + logic dec_i0_select_pc_d; + + logic [31:1] dec_i0_pc_d; + logic [3:0] dec_i0_rs1_bypass_en_d; + logic [3:0] dec_i0_rs2_bypass_en_d; + + logic dec_i0_alu_decode_d; + logic dec_i0_branch_d; + + logic ifu_miss_state_idle; + logic dec_tlu_flush_noredir_r; + logic dec_tlu_flush_leak_one_r; + logic dec_tlu_flush_err_r; + logic ifu_i0_valid; + logic [31:0] ifu_i0_instr; + logic [31:1] ifu_i0_pc; + + logic exu_flush_final; + + logic [31:1] exu_flush_path_final; + + logic [31:0] exu_lsu_rs1_d; + logic [31:0] exu_lsu_rs2_d; + + + eb1_lsu_pkt_t lsu_p; + logic dec_qual_lsu_d; + + logic dec_lsu_valid_raw_d; + logic [11:0] dec_lsu_offset_d; + + logic [31:0] lsu_result_m; + logic [31:0] lsu_result_corr_r; // This is the ECC corrected data going to RF + logic lsu_single_ecc_error_incr; // Increment the ecc counter + eb1_lsu_error_pkt_t lsu_error_pkt_r; + logic lsu_imprecise_error_load_any; + logic lsu_imprecise_error_store_any; + logic [31:0] lsu_imprecise_error_addr_any; + logic lsu_load_stall_any; // This is for blocking loads + logic lsu_store_stall_any; // This is for blocking stores + logic lsu_idle_any; // doesn't include DMA + logic lsu_active; // lsu is active. used for clock + + + logic [31:1] lsu_fir_addr; // fast interrupt address + logic [1:0] lsu_fir_error; // Error during fast interrupt lookup + + // Non-blocking loads + logic lsu_nonblock_load_valid_m; + logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_tag_m; + logic lsu_nonblock_load_inv_r; + logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_inv_tag_r; + logic lsu_nonblock_load_data_valid; + logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_data_tag; + logic [31:0] lsu_nonblock_load_data; + + logic dec_csr_ren_d; + logic [31:0] dec_csr_rddata_d; + + logic [31:0] exu_csr_rs1_x; + + logic dec_tlu_i0_commit_cmt; + logic dec_tlu_flush_lower_r; + logic dec_tlu_flush_lower_wb; + logic dec_tlu_i0_kill_writeb_r; // I0 is flushed, don't writeback any results to arch state + logic dec_tlu_fence_i_r; // flush is a fence_i rfnpc, flush icache + + logic [31:1] dec_tlu_flush_path_r; + logic [31:0] dec_tlu_mrac_ff; // CSR for memory region control + + logic ifu_i0_pc4; + + eb1_mul_pkt_t mul_p; + + eb1_div_pkt_t div_p; + logic dec_div_cancel; + + logic [31:0] exu_div_result; + logic exu_div_wren; + + logic dec_i0_decode_d; + + + logic [31:1] pred_correct_npc_x; + + eb1_br_tlu_pkt_t dec_tlu_br0_r_pkt; + + eb1_predict_pkt_t exu_mp_pkt; + logic [pt.BHT_GHR_SIZE-1:0] exu_mp_eghr; + logic [pt.BHT_GHR_SIZE-1:0] exu_mp_fghr; + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_mp_index; + logic [pt.BTB_BTAG_SIZE-1:0] exu_mp_btag; + + logic [pt.BHT_GHR_SIZE-1:0] exu_i0_br_fghr_r; + logic [1:0] exu_i0_br_hist_r; + logic exu_i0_br_error_r; + logic exu_i0_br_start_error_r; + logic exu_i0_br_valid_r; + logic exu_i0_br_mp_r; + logic exu_i0_br_middle_r; + + logic exu_i0_br_way_r; + + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_i0_br_index_r; + + logic dma_dccm_req; + logic dma_iccm_req; + logic [2:0] dma_mem_tag; + logic [31:0] dma_mem_addr; + logic [2:0] dma_mem_sz; + logic dma_mem_write; + logic [63:0] dma_mem_wdata; + + logic dccm_dma_rvalid; + logic dccm_dma_ecc_error; + logic [2:0] dccm_dma_rtag; + logic [63:0] dccm_dma_rdata; + logic iccm_dma_rvalid; + logic iccm_dma_ecc_error; + logic [2:0] iccm_dma_rtag; + logic [63:0] iccm_dma_rdata; + + logic dma_dccm_stall_any; // Stall the ld/st in decode if asserted + logic dma_iccm_stall_any; // Stall the fetch + logic dccm_ready; + logic iccm_ready; + + logic dma_pmu_dccm_read; + logic dma_pmu_dccm_write; + logic dma_pmu_any_read; + logic dma_pmu_any_write; + + logic ifu_i0_icaf; + logic [1:0] ifu_i0_icaf_type; + + + logic ifu_i0_icaf_second; + logic ifu_i0_dbecc; + logic iccm_dma_sb_error; + + eb1_br_pkt_t i0_brp; + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] ifu_i0_bp_index; + logic [pt.BHT_GHR_SIZE-1:0] ifu_i0_bp_fghr; + logic [pt.BTB_BTAG_SIZE-1:0] ifu_i0_bp_btag; + + logic [$clog2(pt.BTB_SIZE)-1:0] ifu_i0_fa_index; + logic [$clog2(pt.BTB_SIZE)-1:0] dec_fa_error_index; // Fully associative btb error index + + + eb1_predict_pkt_t dec_i0_predict_p_d; + + logic [pt.BHT_GHR_SIZE-1:0] i0_predict_fghr_d; // DEC predict fghr + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] i0_predict_index_d; // DEC predict index + logic [pt.BTB_BTAG_SIZE-1:0] i0_predict_btag_d; // DEC predict branch tag + + // PIC ports + logic picm_wren; + logic picm_rden; + logic picm_mken; + logic [31:0] picm_rdaddr; + logic [31:0] picm_wraddr; + logic [31:0] picm_wr_data; + logic [31:0] picm_rd_data; + + // feature disable from mfdc + logic dec_tlu_external_ldfwd_disable; // disable external load forwarding + logic dec_tlu_bpred_disable; + logic dec_tlu_wb_coalescing_disable; + logic dec_tlu_sideeffect_posted_disable; + logic [2:0] dec_tlu_dma_qos_prty; // DMA QoS priority coming from MFDC [18:16] + + // clock gating overrides from mcgc + logic dec_tlu_misc_clk_override; + logic dec_tlu_ifu_clk_override; + logic dec_tlu_lsu_clk_override; + logic dec_tlu_bus_clk_override; + logic dec_tlu_pic_clk_override; + logic dec_tlu_dccm_clk_override; + logic dec_tlu_icm_clk_override; + + logic dec_tlu_picio_clk_override; + + assign dccm_clk_override = dec_tlu_dccm_clk_override; // dccm memory + assign icm_clk_override = dec_tlu_icm_clk_override; // icache/iccm memory + + // -----------------------DEBUG START ------------------------------- + + logic [31:0] dbg_cmd_addr; // the address of the debug command to used by the core + logic [31:0] dbg_cmd_wrdata; // If the debug command is a write command, this has the data to be written to the CSR/GPR + logic dbg_cmd_valid; // commad is being driven by the dbg module. One pulse. Only dirven when core_halted has been seen + logic dbg_cmd_write; // 1: write command; 0: read_command + logic [1:0] dbg_cmd_type; // 0:gpr 1:csr 2: memory + logic [1:0] dbg_cmd_size; // size of the abstract mem access debug command + logic dbg_halt_req; // Sticky signal indicating that the debug module wants to start the entering of debug mode ( start the halting sequence ) + logic dbg_resume_req; // Sticky signal indicating that the debug module wants to resume from debug mode + logic dbg_core_rst_l; // Core reset from DM + + logic core_dbg_cmd_done; // Final muxed cmd done to debug + logic core_dbg_cmd_fail; // Final muxed cmd done to debug + logic [31:0] core_dbg_rddata; // Final muxed cmd done to debug + + logic dma_dbg_cmd_done; // Abstarct memory command sent to dma is done + logic dma_dbg_cmd_fail; // Abstarct memory command sent to dma failed + logic [31:0] dma_dbg_rddata; // Read data for abstract memory access + + logic dbg_dma_bubble; // Debug needs a bubble to send a valid + logic dma_dbg_ready; // DMA is ready to accept debug request + + logic [31:0] dec_dbg_rddata; // The core drives this data ( intercepts the pipe and sends it here ) + logic dec_dbg_cmd_done; // This will be treated like a valid signal + logic dec_dbg_cmd_fail; // Abstract command failed + logic dec_tlu_mpc_halted_only; // Only halted due to MPC + logic dec_tlu_dbg_halted; // The core has finished the queiscing sequence. Sticks this signal high + logic dec_tlu_resume_ack; + logic dec_tlu_debug_mode; // Core is in debug mode + logic dec_debug_wdata_rs1_d; + logic dec_tlu_force_halt; // halt has been forced + + logic [1:0] dec_data_en; + logic [1:0] dec_ctl_en; + + // PMU Signals + logic exu_pmu_i0_br_misp; + logic exu_pmu_i0_br_ataken; + logic exu_pmu_i0_pc4; + + logic lsu_pmu_load_external_m; + logic lsu_pmu_store_external_m; + logic lsu_pmu_misaligned_m; + logic lsu_pmu_bus_trxn; + logic lsu_pmu_bus_misaligned; + logic lsu_pmu_bus_error; + logic lsu_pmu_bus_busy; + + logic ifu_pmu_fetch_stall; + logic ifu_pmu_ic_miss; + logic ifu_pmu_ic_hit; + logic ifu_pmu_bus_error; + logic ifu_pmu_bus_busy; + logic ifu_pmu_bus_trxn; + + logic active_state; + logic free_clk; + logic active_clk; + logic dec_pause_state_cg; + + logic lsu_nonblock_load_data_error; + + logic [15:0] ifu_i0_cinst; + +// fast interrupt + logic [31:2] dec_tlu_meihap; + logic dec_extint_stall; + + eb1_trace_pkt_t trace_rv_trace_pkt; + + + logic lsu_fastint_stall_any; + + logic [7:0] pic_claimid; + logic [3:0] pic_pl, dec_tlu_meicurpl, dec_tlu_meipt; + logic mexintpend; + logic mhwakeup; + + logic dma_active; + + + logic pause_state; + logic halt_state; + + logic dec_tlu_core_empty; + + + assign pause_state = dec_pause_state_cg & ~(dma_active | lsu_active) & dec_tlu_core_empty; + + assign halt_state = o_cpu_halt_status & ~(dma_active | lsu_active); + + + assign active_state = (~(halt_state | pause_state) | dec_tlu_flush_lower_r | dec_tlu_flush_lower_wb) | dec_tlu_misc_clk_override; + + rvoclkhdr free_cg2 ( .clk(clk), .en(1'b1), .l1clk(free_l2clk), .* ); + rvoclkhdr active_cg2 ( .clk(clk), .en(active_state), .l1clk(active_l2clk), .* ); + +// all other clock headers are 1st level + rvoclkhdr free_cg1 ( .clk(free_l2clk), .en(1'b1), .l1clk(free_clk), .* ); + rvoclkhdr active_cg1 ( .clk(active_l2clk), .en(1'b1), .l1clk(active_clk), .* ); + + + assign core_dbg_cmd_done = dma_dbg_cmd_done | dec_dbg_cmd_done; + assign core_dbg_cmd_fail = dma_dbg_cmd_fail | dec_dbg_cmd_fail; + assign core_dbg_rddata[31:0] = dma_dbg_cmd_done ? dma_dbg_rddata[31:0] : dec_dbg_rddata[31:0]; + + eb1_dbg #(.pt(pt)) dbg ( + .rst_l(core_rst_l), + .clk(free_l2clk), + .clk_override(dec_tlu_misc_clk_override), + + // AXI signals + .sb_axi_awready(sb_axi_awready_int), + .sb_axi_wready(sb_axi_wready_int), + .sb_axi_bvalid(sb_axi_bvalid_int), + .sb_axi_bresp(sb_axi_bresp_int[1:0]), + + .sb_axi_arready(sb_axi_arready_int), + .sb_axi_rvalid(sb_axi_rvalid_int), + .sb_axi_rdata(sb_axi_rdata_int[63:0]), + .sb_axi_rresp(sb_axi_rresp_int[1:0]), + .* + ); + + // ----------------- DEBUG END ----------------------------- + + assign core_rst_l = rst_l & (dbg_core_rst_l | scan_mode); + // fetch + eb1_ifu #(.pt(pt)) ifu ( + .clk(active_l2clk), + .rst_l(core_rst_l), + .dec_tlu_flush_err_wb (dec_tlu_flush_err_r ), + .dec_tlu_flush_noredir_wb (dec_tlu_flush_noredir_r ), + .dec_tlu_fence_i_wb (dec_tlu_fence_i_r ), + .dec_tlu_flush_leak_one_wb (dec_tlu_flush_leak_one_r ), + .dec_tlu_flush_lower_wb (dec_tlu_flush_lower_r ), + + // AXI signals + .ifu_axi_arready(ifu_axi_arready_int), + .ifu_axi_rvalid(ifu_axi_rvalid_int), + .ifu_axi_rid(ifu_axi_rid_int[pt.IFU_BUS_TAG-1:0]), + .ifu_axi_rdata(ifu_axi_rdata_int[63:0]), + .ifu_axi_rresp(ifu_axi_rresp_int[1:0]), + .exu_flush_final(exu_flush_final), + + .* + ); + + + eb1_dec #(.pt(pt)) dec ( + .clk(active_l2clk), + .dbg_cmd_wrdata(dbg_cmd_wrdata[1:0]), + .rst_l(core_rst_l), + .i_cpu_halt_req(i_cpu_halt_req), + .i_cpu_run_req(i_cpu_run_req), + .* + ); + + eb1_exu #(.pt(pt)) exu ( + .clk(active_l2clk), + .rst_l(core_rst_l), + .* + ); + + eb1_lsu #(.pt(pt)) lsu ( + .clk(active_l2clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_lsu_clk_override), + .dec_tlu_i0_kill_writeb_r(dec_tlu_i0_kill_writeb_r), + + // AXI signals + .lsu_axi_awready(lsu_axi_awready_int), + .lsu_axi_wready(lsu_axi_wready_int), + .lsu_axi_bvalid(lsu_axi_bvalid_int), + .lsu_axi_bid(lsu_axi_bid_int[pt.LSU_BUS_TAG-1:0]), + .lsu_axi_bresp(lsu_axi_bresp_int[1:0]), + + .lsu_axi_arready(lsu_axi_arready_int), + .lsu_axi_rvalid(lsu_axi_rvalid_int), + .lsu_axi_rid(lsu_axi_rid_int[pt.LSU_BUS_TAG-1:0]), + .lsu_axi_rdata(lsu_axi_rdata_int[63:0]), + .lsu_axi_rresp(lsu_axi_rresp_int[1:0]), + .lsu_axi_rlast(lsu_axi_rlast_int), + + .* + + ); + + + eb1_pic_ctrl #(.pt(pt)) pic_ctrl_inst ( + .clk(free_l2clk), + .clk_override(dec_tlu_pic_clk_override), + .io_clk_override(dec_tlu_picio_clk_override), + .picm_mken (picm_mken), + .extintsrc_req({extintsrc_req[pt.PIC_TOTAL_INT:1],1'b0}), + .pl(pic_pl[3:0]), + .claimid(pic_claimid[7:0]), + .meicurpl(dec_tlu_meicurpl[3:0]), + .meipt(dec_tlu_meipt[3:0]), + .rst_l(core_rst_l), + .*); + + eb1_dma_ctrl #(.pt(pt)) dma_ctrl ( + .clk(free_l2clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_misc_clk_override), + + // AXI signals + .dma_axi_awvalid(dma_axi_awvalid_int), + .dma_axi_awid(dma_axi_awid_int[pt.DMA_BUS_TAG-1:0]), + .dma_axi_awaddr(dma_axi_awaddr_int[31:0]), + .dma_axi_awsize(dma_axi_awsize_int[2:0]), + .dma_axi_wvalid(dma_axi_wvalid_int), + .dma_axi_wdata(dma_axi_wdata_int[63:0]), + .dma_axi_wstrb(dma_axi_wstrb_int[7:0]), + .dma_axi_bready(dma_axi_bready_int), + + .dma_axi_arvalid(dma_axi_arvalid_int), + .dma_axi_arid(dma_axi_arid_int[pt.DMA_BUS_TAG-1:0]), + .dma_axi_araddr(dma_axi_araddr_int[31:0]), + .dma_axi_arsize(dma_axi_arsize_int[2:0]), + .dma_axi_rready(dma_axi_rready_int), + + .* + ); + + if (pt.BUILD_AHB_LITE == 1) begin: Gen_AXI_To_AHB + + // AXI4 -> AHB Gasket for LSU + axi4_to_ahb #(.pt(pt), + .TAG(pt.LSU_BUS_TAG)) lsu_axi4_to_ahb ( + + .clk(free_l2clk), + .free_clk(free_clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_bus_clk_override), + .bus_clk_en(lsu_bus_clk_en), + .dec_tlu_force_halt(dec_tlu_force_halt), + + // AXI Write Channels + .axi_awvalid(lsu_axi_awvalid), + .axi_awready(lsu_axi_awready_ahb), + .axi_awid(lsu_axi_awid[pt.LSU_BUS_TAG-1:0]), + .axi_awaddr(lsu_axi_awaddr[31:0]), + .axi_awsize(lsu_axi_awsize[2:0]), + .axi_awprot(lsu_axi_awprot[2:0]), + + .axi_wvalid(lsu_axi_wvalid), + .axi_wready(lsu_axi_wready_ahb), + .axi_wdata(lsu_axi_wdata[63:0]), + .axi_wstrb(lsu_axi_wstrb[7:0]), + .axi_wlast(lsu_axi_wlast), + + .axi_bvalid(lsu_axi_bvalid_ahb), + .axi_bready(lsu_axi_bready), + .axi_bresp(lsu_axi_bresp_ahb[1:0]), + .axi_bid(lsu_axi_bid_ahb[pt.LSU_BUS_TAG-1:0]), + + // AXI Read Channels + .axi_arvalid(lsu_axi_arvalid), + .axi_arready(lsu_axi_arready_ahb), + .axi_arid(lsu_axi_arid[pt.LSU_BUS_TAG-1:0]), + .axi_araddr(lsu_axi_araddr[31:0]), + .axi_arsize(lsu_axi_arsize[2:0]), + .axi_arprot(lsu_axi_arprot[2:0]), + + .axi_rvalid(lsu_axi_rvalid_ahb), + .axi_rready(lsu_axi_rready), + .axi_rid(lsu_axi_rid_ahb[pt.LSU_BUS_TAG-1:0]), + .axi_rdata(lsu_axi_rdata_ahb[63:0]), + .axi_rresp(lsu_axi_rresp_ahb[1:0]), + .axi_rlast(lsu_axi_rlast_ahb), + + // AHB-LITE signals + .ahb_haddr(lsu_haddr[31:0]), + .ahb_hburst(lsu_hburst), + .ahb_hmastlock(lsu_hmastlock), + .ahb_hprot(lsu_hprot[3:0]), + .ahb_hsize(lsu_hsize[2:0]), + .ahb_htrans(lsu_htrans[1:0]), + .ahb_hwrite(lsu_hwrite), + .ahb_hwdata(lsu_hwdata[63:0]), + + .ahb_hrdata(lsu_hrdata[63:0]), + .ahb_hready(lsu_hready), + .ahb_hresp(lsu_hresp), + + .* + ); + + axi4_to_ahb #(.pt(pt), + .TAG(pt.IFU_BUS_TAG)) ifu_axi4_to_ahb ( + .clk(free_l2clk), + .free_clk(free_clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_bus_clk_override), + .bus_clk_en(ifu_bus_clk_en), + .dec_tlu_force_halt(dec_tlu_force_halt), + + // AHB-Lite signals + .ahb_haddr(haddr[31:0]), + .ahb_hburst(hburst), + .ahb_hmastlock(hmastlock), + .ahb_hprot(hprot[3:0]), + .ahb_hsize(hsize[2:0]), + .ahb_htrans(htrans[1:0]), + .ahb_hwrite(hwrite), + .ahb_hwdata(hwdata_nc[63:0]), + + .ahb_hrdata(hrdata[63:0]), + .ahb_hready(hready), + .ahb_hresp(hresp), + + // AXI Write Channels + .axi_awvalid(ifu_axi_awvalid), + .axi_awready(ifu_axi_awready_ahb), + .axi_awid(ifu_axi_awid[pt.IFU_BUS_TAG-1:0]), + .axi_awaddr(ifu_axi_awaddr[31:0]), + .axi_awsize(ifu_axi_awsize[2:0]), + .axi_awprot(ifu_axi_awprot[2:0]), + + .axi_wvalid(ifu_axi_wvalid), + .axi_wready(ifu_axi_wready_ahb), + .axi_wdata(ifu_axi_wdata[63:0]), + .axi_wstrb(ifu_axi_wstrb[7:0]), + .axi_wlast(ifu_axi_wlast), + + .axi_bvalid(ifu_axi_bvalid_ahb), + .axi_bready(1'b1), + .axi_bresp(ifu_axi_bresp_ahb[1:0]), + .axi_bid(ifu_axi_bid_ahb[pt.IFU_BUS_TAG-1:0]), + + // AXI Read Channels + .axi_arvalid(ifu_axi_arvalid), + .axi_arready(ifu_axi_arready_ahb), + .axi_arid(ifu_axi_arid[pt.IFU_BUS_TAG-1:0]), + .axi_araddr(ifu_axi_araddr[31:0]), + .axi_arsize(ifu_axi_arsize[2:0]), + .axi_arprot(ifu_axi_arprot[2:0]), + + .axi_rvalid(ifu_axi_rvalid_ahb), + .axi_rready(ifu_axi_rready), + .axi_rid(ifu_axi_rid_ahb[pt.IFU_BUS_TAG-1:0]), + .axi_rdata(ifu_axi_rdata_ahb[63:0]), + .axi_rresp(ifu_axi_rresp_ahb[1:0]), + .axi_rlast(ifu_axi_rlast_ahb), + .* + ); + + // AXI4 -> AHB Gasket for System Bus + axi4_to_ahb #(.pt(pt), + .TAG(pt.SB_BUS_TAG)) sb_axi4_to_ahb ( + .clk(free_l2clk), + .free_clk(free_clk), + .rst_l(dbg_rst_l), + .clk_override(dec_tlu_bus_clk_override), + .bus_clk_en(dbg_bus_clk_en), + .dec_tlu_force_halt(1'b0), + + // AXI Write Channels + .axi_awvalid(sb_axi_awvalid), + .axi_awready(sb_axi_awready_ahb), + .axi_awid(sb_axi_awid[pt.SB_BUS_TAG-1:0]), + .axi_awaddr(sb_axi_awaddr[31:0]), + .axi_awsize(sb_axi_awsize[2:0]), + .axi_awprot(sb_axi_awprot[2:0]), + + .axi_wvalid(sb_axi_wvalid), + .axi_wready(sb_axi_wready_ahb), + .axi_wdata(sb_axi_wdata[63:0]), + .axi_wstrb(sb_axi_wstrb[7:0]), + .axi_wlast(sb_axi_wlast), + + .axi_bvalid(sb_axi_bvalid_ahb), + .axi_bready(sb_axi_bready), + .axi_bresp(sb_axi_bresp_ahb[1:0]), + .axi_bid(sb_axi_bid_ahb[pt.SB_BUS_TAG-1:0]), + + // AXI Read Channels + .axi_arvalid(sb_axi_arvalid), + .axi_arready(sb_axi_arready_ahb), + .axi_arid(sb_axi_arid[pt.SB_BUS_TAG-1:0]), + .axi_araddr(sb_axi_araddr[31:0]), + .axi_arsize(sb_axi_arsize[2:0]), + .axi_arprot(sb_axi_arprot[2:0]), + + .axi_rvalid(sb_axi_rvalid_ahb), + .axi_rready(sb_axi_rready), + .axi_rid(sb_axi_rid_ahb[pt.SB_BUS_TAG-1:0]), + .axi_rdata(sb_axi_rdata_ahb[63:0]), + .axi_rresp(sb_axi_rresp_ahb[1:0]), + .axi_rlast(sb_axi_rlast_ahb), + // AHB-LITE signals + .ahb_haddr(sb_haddr[31:0]), + .ahb_hburst(sb_hburst), + .ahb_hmastlock(sb_hmastlock), + .ahb_hprot(sb_hprot[3:0]), + .ahb_hsize(sb_hsize[2:0]), + .ahb_htrans(sb_htrans[1:0]), + .ahb_hwrite(sb_hwrite), + .ahb_hwdata(sb_hwdata[63:0]), + + .ahb_hrdata(sb_hrdata[63:0]), + .ahb_hready(sb_hready), + .ahb_hresp(sb_hresp), + + .* + ); + + //AHB -> AXI4 Gasket for DMA + ahb_to_axi4 #(.pt(pt), + .TAG(pt.DMA_BUS_TAG)) dma_ahb_to_axi4 ( + .clk(free_l2clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_bus_clk_override), + .bus_clk_en(dma_bus_clk_en), + + // AXI Write Channels + .axi_awvalid(dma_axi_awvalid_ahb), + .axi_awready(dma_axi_awready), + .axi_awid(dma_axi_awid_ahb[pt.DMA_BUS_TAG-1:0]), + .axi_awaddr(dma_axi_awaddr_ahb[31:0]), + .axi_awsize(dma_axi_awsize_ahb[2:0]), + .axi_awprot(dma_axi_awprot_ahb[2:0]), + .axi_awlen(dma_axi_awlen_ahb[7:0]), + .axi_awburst(dma_axi_awburst_ahb[1:0]), + + .axi_wvalid(dma_axi_wvalid_ahb), + .axi_wready(dma_axi_wready), + .axi_wdata(dma_axi_wdata_ahb[63:0]), + .axi_wstrb(dma_axi_wstrb_ahb[7:0]), + .axi_wlast(dma_axi_wlast_ahb), + + .axi_bvalid(dma_axi_bvalid), + .axi_bready(dma_axi_bready_ahb), + .axi_bresp(dma_axi_bresp[1:0]), + .axi_bid(dma_axi_bid[pt.DMA_BUS_TAG-1:0]), + + // AXI Read Channels + .axi_arvalid(dma_axi_arvalid_ahb), + .axi_arready(dma_axi_arready), + .axi_arid(dma_axi_arid_ahb[pt.DMA_BUS_TAG-1:0]), + .axi_araddr(dma_axi_araddr_ahb[31:0]), + .axi_arsize(dma_axi_arsize_ahb[2:0]), + .axi_arprot(dma_axi_arprot_ahb[2:0]), + .axi_arlen(dma_axi_arlen_ahb[7:0]), + .axi_arburst(dma_axi_arburst_ahb[1:0]), + + .axi_rvalid(dma_axi_rvalid), + .axi_rready(dma_axi_rready_ahb), + .axi_rid(dma_axi_rid[pt.DMA_BUS_TAG-1:0]), + .axi_rdata(dma_axi_rdata[63:0]), + .axi_rresp(dma_axi_rresp[1:0]), + + // AHB signals + .ahb_haddr(dma_haddr[31:0]), + .ahb_hburst(dma_hburst), + .ahb_hmastlock(dma_hmastlock), + .ahb_hprot(dma_hprot[3:0]), + .ahb_hsize(dma_hsize[2:0]), + .ahb_htrans(dma_htrans[1:0]), + .ahb_hwrite(dma_hwrite), + .ahb_hwdata(dma_hwdata[63:0]), + + .ahb_hrdata(dma_hrdata[63:0]), + .ahb_hreadyout(dma_hreadyout), + .ahb_hresp(dma_hresp), + .ahb_hreadyin(dma_hreadyin), + .ahb_hsel(dma_hsel), + .* + ); + + end + + // Drive the final AXI inputs + assign lsu_axi_awready_int = pt.BUILD_AHB_LITE ? lsu_axi_awready_ahb : lsu_axi_awready; + assign lsu_axi_wready_int = pt.BUILD_AHB_LITE ? lsu_axi_wready_ahb : lsu_axi_wready; + assign lsu_axi_bvalid_int = pt.BUILD_AHB_LITE ? lsu_axi_bvalid_ahb : lsu_axi_bvalid; + assign lsu_axi_bready_int = pt.BUILD_AHB_LITE ? lsu_axi_bready_ahb : lsu_axi_bready; + assign lsu_axi_bresp_int[1:0] = pt.BUILD_AHB_LITE ? lsu_axi_bresp_ahb[1:0] : lsu_axi_bresp[1:0]; + assign lsu_axi_bid_int[pt.LSU_BUS_TAG-1:0] = pt.BUILD_AHB_LITE ? lsu_axi_bid_ahb[pt.LSU_BUS_TAG-1:0] : lsu_axi_bid[pt.LSU_BUS_TAG-1:0]; + assign lsu_axi_arready_int = pt.BUILD_AHB_LITE ? lsu_axi_arready_ahb : lsu_axi_arready; + assign lsu_axi_rvalid_int = pt.BUILD_AHB_LITE ? lsu_axi_rvalid_ahb : lsu_axi_rvalid; + assign lsu_axi_rid_int[pt.LSU_BUS_TAG-1:0] = pt.BUILD_AHB_LITE ? lsu_axi_rid_ahb[pt.LSU_BUS_TAG-1:0] : lsu_axi_rid[pt.LSU_BUS_TAG-1:0]; + assign lsu_axi_rdata_int[63:0] = pt.BUILD_AHB_LITE ? lsu_axi_rdata_ahb[63:0] : lsu_axi_rdata[63:0]; + assign lsu_axi_rresp_int[1:0] = pt.BUILD_AHB_LITE ? lsu_axi_rresp_ahb[1:0] : lsu_axi_rresp[1:0]; + assign lsu_axi_rlast_int = pt.BUILD_AHB_LITE ? lsu_axi_rlast_ahb : lsu_axi_rlast; + + assign ifu_axi_awready_int = pt.BUILD_AHB_LITE ? ifu_axi_awready_ahb : ifu_axi_awready; + assign ifu_axi_wready_int = pt.BUILD_AHB_LITE ? ifu_axi_wready_ahb : ifu_axi_wready; + assign ifu_axi_bvalid_int = pt.BUILD_AHB_LITE ? ifu_axi_bvalid_ahb : ifu_axi_bvalid; + assign ifu_axi_bready_int = pt.BUILD_AHB_LITE ? ifu_axi_bready_ahb : ifu_axi_bready; + assign ifu_axi_bresp_int[1:0] = pt.BUILD_AHB_LITE ? ifu_axi_bresp_ahb[1:0] : ifu_axi_bresp[1:0]; + assign ifu_axi_bid_int[pt.IFU_BUS_TAG-1:0] = pt.BUILD_AHB_LITE ? ifu_axi_bid_ahb[pt.IFU_BUS_TAG-1:0] : ifu_axi_bid[pt.IFU_BUS_TAG-1:0]; + assign ifu_axi_arready_int = pt.BUILD_AHB_LITE ? ifu_axi_arready_ahb : ifu_axi_arready; + assign ifu_axi_rvalid_int = pt.BUILD_AHB_LITE ? ifu_axi_rvalid_ahb : ifu_axi_rvalid; + assign ifu_axi_rid_int[pt.IFU_BUS_TAG-1:0] = pt.BUILD_AHB_LITE ? ifu_axi_rid_ahb[pt.IFU_BUS_TAG-1:0] : ifu_axi_rid[pt.IFU_BUS_TAG-1:0]; + assign ifu_axi_rdata_int[63:0] = pt.BUILD_AHB_LITE ? ifu_axi_rdata_ahb[63:0] : ifu_axi_rdata[63:0]; + assign ifu_axi_rresp_int[1:0] = pt.BUILD_AHB_LITE ? ifu_axi_rresp_ahb[1:0] : ifu_axi_rresp[1:0]; + assign ifu_axi_rlast_int = pt.BUILD_AHB_LITE ? ifu_axi_rlast_ahb : ifu_axi_rlast; + + assign sb_axi_awready_int = pt.BUILD_AHB_LITE ? sb_axi_awready_ahb : sb_axi_awready; + assign sb_axi_wready_int = pt.BUILD_AHB_LITE ? sb_axi_wready_ahb : sb_axi_wready; + assign sb_axi_bvalid_int = pt.BUILD_AHB_LITE ? sb_axi_bvalid_ahb : sb_axi_bvalid; + assign sb_axi_bready_int = pt.BUILD_AHB_LITE ? sb_axi_bready_ahb : sb_axi_bready; + assign sb_axi_bresp_int[1:0] = pt.BUILD_AHB_LITE ? sb_axi_bresp_ahb[1:0] : sb_axi_bresp[1:0]; + assign sb_axi_bid_int[pt.SB_BUS_TAG-1:0] = pt.BUILD_AHB_LITE ? sb_axi_bid_ahb[pt.SB_BUS_TAG-1:0] : sb_axi_bid[pt.SB_BUS_TAG-1:0]; + assign sb_axi_arready_int = pt.BUILD_AHB_LITE ? sb_axi_arready_ahb : sb_axi_arready; + assign sb_axi_rvalid_int = pt.BUILD_AHB_LITE ? sb_axi_rvalid_ahb : sb_axi_rvalid; + assign sb_axi_rid_int[pt.SB_BUS_TAG-1:0] = pt.BUILD_AHB_LITE ? sb_axi_rid_ahb[pt.SB_BUS_TAG-1:0] : sb_axi_rid[pt.SB_BUS_TAG-1:0]; + assign sb_axi_rdata_int[63:0] = pt.BUILD_AHB_LITE ? sb_axi_rdata_ahb[63:0] : sb_axi_rdata[63:0]; + assign sb_axi_rresp_int[1:0] = pt.BUILD_AHB_LITE ? sb_axi_rresp_ahb[1:0] : sb_axi_rresp[1:0]; + assign sb_axi_rlast_int = pt.BUILD_AHB_LITE ? sb_axi_rlast_ahb : sb_axi_rlast; + + assign dma_axi_awvalid_int = pt.BUILD_AHB_LITE ? dma_axi_awvalid_ahb : dma_axi_awvalid; + assign dma_axi_awid_int[pt.DMA_BUS_TAG-1:0] = pt.BUILD_AHB_LITE ? dma_axi_awid_ahb[pt.DMA_BUS_TAG-1:0] : dma_axi_awid[pt.DMA_BUS_TAG-1:0]; + assign dma_axi_awaddr_int[31:0] = pt.BUILD_AHB_LITE ? dma_axi_awaddr_ahb[31:0] : dma_axi_awaddr[31:0]; + assign dma_axi_awsize_int[2:0] = pt.BUILD_AHB_LITE ? dma_axi_awsize_ahb[2:0] : dma_axi_awsize[2:0]; + assign dma_axi_awprot_int[2:0] = pt.BUILD_AHB_LITE ? dma_axi_awprot_ahb[2:0] : dma_axi_awprot[2:0]; + assign dma_axi_awlen_int[7:0] = pt.BUILD_AHB_LITE ? dma_axi_awlen_ahb[7:0] : dma_axi_awlen[7:0]; + assign dma_axi_awburst_int[1:0] = pt.BUILD_AHB_LITE ? dma_axi_awburst_ahb[1:0] : dma_axi_awburst[1:0]; + assign dma_axi_wvalid_int = pt.BUILD_AHB_LITE ? dma_axi_wvalid_ahb : dma_axi_wvalid; + assign dma_axi_wdata_int[63:0] = pt.BUILD_AHB_LITE ? dma_axi_wdata_ahb[63:0] : dma_axi_wdata; + assign dma_axi_wstrb_int[7:0] = pt.BUILD_AHB_LITE ? dma_axi_wstrb_ahb[7:0] : dma_axi_wstrb[7:0]; + assign dma_axi_wlast_int = pt.BUILD_AHB_LITE ? dma_axi_wlast_ahb : dma_axi_wlast; + assign dma_axi_bready_int = pt.BUILD_AHB_LITE ? dma_axi_bready_ahb : dma_axi_bready; + assign dma_axi_arvalid_int = pt.BUILD_AHB_LITE ? dma_axi_arvalid_ahb : dma_axi_arvalid; + assign dma_axi_arid_int[pt.DMA_BUS_TAG-1:0] = pt.BUILD_AHB_LITE ? dma_axi_arid_ahb[pt.DMA_BUS_TAG-1:0] : dma_axi_arid[pt.DMA_BUS_TAG-1:0]; + assign dma_axi_araddr_int[31:0] = pt.BUILD_AHB_LITE ? dma_axi_araddr_ahb[31:0] : dma_axi_araddr[31:0]; + assign dma_axi_arsize_int[2:0] = pt.BUILD_AHB_LITE ? dma_axi_arsize_ahb[2:0] : dma_axi_arsize[2:0]; + assign dma_axi_arprot_int[2:0] = pt.BUILD_AHB_LITE ? dma_axi_arprot_ahb[2:0] : dma_axi_arprot[2:0]; + assign dma_axi_arlen_int[7:0] = pt.BUILD_AHB_LITE ? dma_axi_arlen_ahb[7:0] : dma_axi_arlen[7:0]; + assign dma_axi_arburst_int[1:0] = pt.BUILD_AHB_LITE ? dma_axi_arburst_ahb[1:0] : dma_axi_arburst[1:0]; + assign dma_axi_rready_int = pt.BUILD_AHB_LITE ? dma_axi_rready_ahb : dma_axi_rready; + + +if (pt.BUILD_AHB_LITE == 1) begin + + end // if (pt.BUILD_AHB_LITE == 1) + + + // unpack packet + // also need retires_p==3 + + assign trace_rv_i_insn_ip[31:0] = trace_rv_trace_pkt.trace_rv_i_insn_ip[31:0]; + + assign trace_rv_i_address_ip[31:0] = trace_rv_trace_pkt.trace_rv_i_address_ip[31:0]; + + assign trace_rv_i_valid_ip = trace_rv_trace_pkt.trace_rv_i_valid_ip; + + assign trace_rv_i_exception_ip = trace_rv_trace_pkt.trace_rv_i_exception_ip; + + assign trace_rv_i_ecause_ip[4:0] = trace_rv_trace_pkt.trace_rv_i_ecause_ip[4:0]; + + assign trace_rv_i_interrupt_ip = trace_rv_trace_pkt.trace_rv_i_interrupt_ip; + + assign trace_rv_i_tval_ip[31:0] = trace_rv_trace_pkt.trace_rv_i_tval_ip[31:0]; + +endmodule // eb1_brqrv + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2018 MERL Corporation or it's affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//------------------------------------------------------------------------------------ +// +// Copyright MERL, 2018 +// Owner : Anusha Narayanamoorthy +// Description: +// Wrapper module for JTAG_TAP and DMI synchronizer +// +//------------------------------------------------------------------------------------- + +module dmi_wrapper( + + // JTAG signals + input trst_n, // JTAG reset + input tck, // JTAG clock + input tms, // Test mode select + input tdi, // Test Data Input + output tdo, // Test Data Output + output tdoEnable, // Test Data Output enable + + // Processor Signals + input core_rst_n, // Core reset + input core_clk, // Core clock + input [31:1] jtag_id, // JTAG ID + input [31:0] rd_data, // 32 bit Read data from Processor + output [31:0] reg_wr_data, // 32 bit Write data to Processor + output [6:0] reg_wr_addr, // 7 bit reg address to Processor + output reg_en, // 1 bit Read enable to Processor + output reg_wr_en, // 1 bit Write enable to Processor + output dmi_hard_reset +); + + + + + + //Wire Declaration + wire rd_en; + wire wr_en; + wire dmireset; + + + //jtag_tap instantiation + rvjtag_tap i_jtag_tap( + .trst(trst_n), // dedicated JTAG TRST (active low) pad signal or asynchronous active low power on reset + .tck(tck), // dedicated JTAG TCK pad signal + .tms(tms), // dedicated JTAG TMS pad signal + .tdi(tdi), // dedicated JTAG TDI pad signal + .tdo(tdo), // dedicated JTAG TDO pad signal + .tdoEnable(tdoEnable), // enable for TDO pad + .wr_data(reg_wr_data), // 32 bit Write data + .wr_addr(reg_wr_addr), // 7 bit Write address + .rd_en(rd_en), // 1 bit read enable + .wr_en(wr_en), // 1 bit Write enable + .rd_data(rd_data), // 32 bit Read data + .rd_status(2'b0), + .idle(3'h0), // no need to wait to sample data + .dmi_stat(2'b0), // no need to wait or error possible + .version(4'h1), // debug spec 0.13 compliant + .jtag_id(jtag_id), + .dmi_hard_reset(dmi_hard_reset), + .dmi_reset(dmireset) +); + + + // dmi_jtag_to_core_sync instantiation + dmi_jtag_to_core_sync i_dmi_jtag_to_core_sync( + .wr_en(wr_en), // 1 bit Write enable + .rd_en(rd_en), // 1 bit Read enable + + .rst_n(core_rst_n), + .clk(core_clk), + .reg_en(reg_en), // 1 bit Write interface bit + .reg_wr_en(reg_wr_en) // 1 bit Write enable + ); + +endmodule + +// Licensed under the Apache License, Version 2.0, see LICENSE for details. +// SPDX-License-Identifier: Apache-2.0 + +module eb1_uart_rx_prog ( + input i_Clock, + input rst_ni, + input i_Rx_Serial, + input [15:0] CLKS_PER_BIT, + output o_Rx_DV, + output [7:0] o_Rx_Byte + ); + + parameter s_IDLE = 3'b000; + parameter s_RX_START_BIT = 3'b001; + parameter s_RX_DATA_BITS = 3'b010; + parameter s_RX_STOP_BIT = 3'b011; + parameter s_CLEANUP = 3'b100; + + reg r_Rx_Data_R; + reg r_Rx_Data; + + reg [15:0] r_Clock_Count; + reg [2:0] r_Bit_Index; //8 bits total + reg [7:0] r_Rx_Byte; + reg r_Rx_DV; + reg [2:0] r_SM_Main; + + // Purpose: Double-register the incoming data. + // This allows it to be used in the UART RX Clock Domain. + // (It removes problems caused by metastability) + always @(posedge i_Clock) + if(rst_ni == 1'b0) begin + r_Rx_Data_R <= 1'b1; + r_Rx_Data <= 1'b1; + end + else begin + r_Rx_Data_R <= i_Rx_Serial; + r_Rx_Data <= r_Rx_Data_R; + end + + + // Purpose: Control RX state machine + always @(posedge i_Clock or negedge rst_ni) + begin + if (rst_ni == 1'b0) begin + r_SM_Main <= s_IDLE; + r_Rx_DV <= 1'b0; + r_Clock_Count <= 16'h0000; + r_Bit_Index <= 3'b000; + r_Rx_Byte <= 8'h00; + end else begin + case (r_SM_Main) + s_IDLE : + begin + r_Rx_DV <= 1'b0; + r_Clock_Count <= 0; + r_Bit_Index <= 0; + + if (r_Rx_Data == 1'b0) // Start bit detected + r_SM_Main <= s_RX_START_BIT; + else + r_SM_Main <= s_IDLE; + end + + // Check middle of start bit to make sure it's still low + s_RX_START_BIT : + begin + if (r_Clock_Count == ((CLKS_PER_BIT-1)>>1)) + begin + if (r_Rx_Data == 1'b0) + begin + r_Clock_Count <= 0; // reset counter, found the middle + r_SM_Main <= s_RX_DATA_BITS; + end + else + r_SM_Main <= s_IDLE; + end + else + begin + r_Clock_Count <= r_Clock_Count + 1; + r_SM_Main <= s_RX_START_BIT; + end + end // case: s_RX_START_BIT + + + // Wait CLKS_PER_BIT-1 clock cycles to sample serial data + s_RX_DATA_BITS : + begin + if (r_Clock_Count < CLKS_PER_BIT-1) + begin + r_Clock_Count <= r_Clock_Count + 1; + r_SM_Main <= s_RX_DATA_BITS; + end + else + begin + r_Clock_Count <= 0; + r_Rx_Byte[r_Bit_Index] <= r_Rx_Data; + + // Check if we have received all bits + if (r_Bit_Index < 7) + begin + r_Bit_Index <= r_Bit_Index + 1; + r_SM_Main <= s_RX_DATA_BITS; + end + else + begin + r_Bit_Index <= 0; + r_SM_Main <= s_RX_STOP_BIT; + end + end + end // case: s_RX_DATA_BITS + + + // Receive Stop bit. Stop bit = 1 + s_RX_STOP_BIT : + begin + // Wait CLKS_PER_BIT-1 clock cycles for Stop bit to finish + if (r_Clock_Count < CLKS_PER_BIT-1) + begin + r_Clock_Count <= r_Clock_Count + 1; + r_SM_Main <= s_RX_STOP_BIT; + end + else + begin + r_Rx_DV <= 1'b1; + r_Clock_Count <= 0; + r_SM_Main <= s_CLEANUP; + end + end // case: s_RX_STOP_BIT + + + // Stay here 1 clock + s_CLEANUP : + begin + r_SM_Main <= s_IDLE; + r_Rx_DV <= 1'b0; + end + + + default : + r_SM_Main <= s_IDLE; + + endcase + end + end + + assign o_Rx_DV = r_Rx_DV; + assign o_Rx_Byte = r_Rx_Byte; + +endmodule // uart_rx + +// Licensed under the Apache License, Version 2.0, see LICENSE for details. +// SPDX-License-Identifier: Apache-2.0 + +module eb1_iccm_controller ( + clk_i, + rst_ni, + rx_dv_i, + rx_byte_i, + we_o, + addr_o, + wdata_o, + reset_o +); + input wire clk_i; + input wire rst_ni; + input wire rx_dv_i; + input wire [7:0] rx_byte_i; + output wire we_o; + output wire [13:0] addr_o; + output wire [31:0] wdata_o; + output wire reset_o; + reg [1:0] ctrl_fsm_cs; + reg [1:0] ctrl_fsm_ns; + wire [7:0] rx_byte_d; + reg [7:0] rx_byte_q0; + reg [7:0] rx_byte_q1; + reg [7:0] rx_byte_q2; + reg [7:0] rx_byte_q3; + reg we_q; + reg we_d; + reg [13:0] addr_q; + reg [13:0] addr_d; + reg reset_q; + reg reset_d; + reg [1:0] byte_count; + localparam [1:0] DONE = 3; + localparam [1:0] LOAD = 1; + localparam [1:0] PROG = 2; + localparam [1:0] RESET = 0; + always @(*) begin + we_d = we_q; + addr_d = addr_q; + reset_d = reset_q; + ctrl_fsm_ns = ctrl_fsm_cs; + case (ctrl_fsm_cs) + RESET: begin + we_d = 1'b0; + reset_d = 1'b0; + if (rx_dv_i) + ctrl_fsm_ns = LOAD; + else + ctrl_fsm_ns = RESET; + end + LOAD: + if (((byte_count == 2'b11) && (rx_byte_q2 != 8'h0f)) && (rx_byte_d != 8'hff)) begin + we_d = 1'b1; + ctrl_fsm_ns = PROG; + end + else + ctrl_fsm_ns = DONE; + PROG: begin + we_d = 1'b0; + ctrl_fsm_ns = DONE; + end + DONE: + if (wdata_o == 32'h00000fff) begin + ctrl_fsm_ns = DONE; + reset_d = 1'b1; + end + else if (rx_dv_i) + ctrl_fsm_ns = LOAD; + else + ctrl_fsm_ns = DONE; + default: ctrl_fsm_ns = RESET; + endcase + end + assign rx_byte_d = rx_byte_i; + assign we_o = we_q; + assign addr_o = addr_q; + assign wdata_o = {rx_byte_q0, rx_byte_q1, rx_byte_q2, rx_byte_q3}; + assign reset_o = reset_q; + always @(posedge clk_i or negedge rst_ni) + if (!rst_ni) begin + we_q <= 1'b0; + addr_q <= 14'b00000000000000; + rx_byte_q0 <= 8'b00000000; + rx_byte_q1 <= 8'b00000000; + rx_byte_q2 <= 8'b00000000; + rx_byte_q3 <= 8'b00000000; + reset_q <= 1'b0; + byte_count <= 2'b00; + ctrl_fsm_cs <= RESET; + end + else begin + we_q <= we_d; + if (ctrl_fsm_cs == LOAD) begin + if (byte_count == 2'b00) begin + rx_byte_q0 <= rx_byte_d; + byte_count <= 2'b01; + end + else if (byte_count == 2'b01) begin + rx_byte_q1 <= rx_byte_d; + byte_count <= 2'b10; + end + else if (byte_count == 2'b10) begin + rx_byte_q2 <= rx_byte_d; + byte_count <= 2'b11; + end + else begin + rx_byte_q3 <= rx_byte_d; + byte_count <= 2'b00; + end + addr_q <= addr_d; + end + if (ctrl_fsm_cs == PROG) + addr_q <= addr_d + 2'h2; + reset_q <= reset_d; + ctrl_fsm_cs <= ctrl_fsm_ns; + end +endmodule + +//******************************************************************************** +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** + +module eb1_mem +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) +( + + input logic vccd1, + input logic vssd1, + input logic clk, + input logic rst_l, + input logic dccm_clk_override, + input logic icm_clk_override, + input logic dec_tlu_core_ecc_disable, + + //DCCM ports + input logic dccm_wren, + input logic dccm_rden, + input logic [pt.DCCM_BITS-1:0] dccm_wr_addr_lo, + input logic [pt.DCCM_BITS-1:0] dccm_wr_addr_hi, + input logic [pt.DCCM_BITS-1:0] dccm_rd_addr_lo, + input logic [pt.DCCM_BITS-1:0] dccm_rd_addr_hi, + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_lo, + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_hi, + + + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_lo, + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_hi, + +//`ifdef pt.DCCM_ENABLE + input eb1_dccm_ext_in_pkt_t [pt.DCCM_NUM_BANKS-1:0] dccm_ext_in_pkt, + +//`endif + + //ICCM ports + input eb1_ccm_ext_in_pkt_t [pt.ICCM_NUM_BANKS-1:0] iccm_ext_in_pkt, + + input logic [pt.ICCM_BITS-1:1] iccm_rw_addr, + input logic iccm_buf_correct_ecc, // ICCM is doing a single bit error correct cycle + input logic iccm_correction_state, // ICCM is doing a single bit error correct cycle + input logic iccm_wren, + input logic iccm_rden, + input logic [2:0] iccm_wr_size, + input logic [77:0] iccm_wr_data, + + output logic [63:0] iccm_rd_data, + output logic [77:0] iccm_rd_data_ecc, + + // Icache and Itag Ports + + input logic [31:1] ic_rw_addr, + input logic [pt.ICACHE_NUM_WAYS-1:0] ic_tag_valid, + input logic [pt.ICACHE_NUM_WAYS-1:0] ic_wr_en, + input logic ic_rd_en, + input logic [63:0] ic_premux_data, // Premux data to be muxed with each way of the Icache. + input logic ic_sel_premux_data, // Premux data sel + input eb1_ic_data_ext_in_pkt_t [pt.ICACHE_NUM_WAYS-1:0][pt.ICACHE_BANKS_WAY-1:0] ic_data_ext_in_pkt, + input eb1_ic_tag_ext_in_pkt_t [pt.ICACHE_NUM_WAYS-1:0] ic_tag_ext_in_pkt, + + input logic [pt.ICACHE_BANKS_WAY-1:0][70:0] ic_wr_data, // Data to fill to the Icache. With ECC + input logic [70:0] ic_debug_wr_data, // Debug wr cache. + output logic [70:0] ic_debug_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC + input logic [pt.ICACHE_INDEX_HI:3] ic_debug_addr, // Read/Write addresss to the Icache. + input logic ic_debug_rd_en, // Icache debug rd + input logic ic_debug_wr_en, // Icache debug wr + input logic ic_debug_tag_array, // Debug tag array + input logic [pt.ICACHE_NUM_WAYS-1:0] ic_debug_way, // Debug way. Rd or Wr. + + output logic [63:0] ic_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC + output logic [25:0] ictag_debug_rd_data,// Debug icache tag. + + + output logic [pt.ICACHE_BANKS_WAY-1:0] ic_eccerr, // ecc error per bank + output logic [pt.ICACHE_BANKS_WAY-1:0] ic_parerr, // parity error per bank + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_rd_hit, + output logic ic_tag_perr, // Icache Tag parity error + + + input logic scan_mode + +); + + logic active_clk; + rvoclkhdr active_cg ( .en(1'b1), .l1clk(active_clk), .* ); + + // DCCM Instantiation + if (pt.DCCM_ENABLE == 1) begin: Gen_dccm_enable + eb1_lsu_dccm_mem #(.pt(pt)) dccm ( + .clk_override(dccm_clk_override), + .* + ); + end else begin: Gen_dccm_disable + assign dccm_rd_data_lo = '0; + assign dccm_rd_data_hi = '0; + end + +if ( pt.ICACHE_ENABLE ) begin: icache + eb1_ifu_ic_mem #(.pt(pt)) icm ( + .clk_override(icm_clk_override), + .* + ); +end +else begin + assign ic_rd_hit[pt.ICACHE_NUM_WAYS-1:0] = '0; + assign ic_tag_perr = '0 ; + assign ic_rd_data = '0 ; + assign ictag_debug_rd_data = '0 ; +end // else: !if( pt.ICACHE_ENABLE ) + + + +if (pt.ICCM_ENABLE) begin : iccm + eb1_ifu_iccm_mem #(.pt(pt)) iccm (.*, + .clk_override(icm_clk_override), + .iccm_rw_addr(iccm_rw_addr[pt.ICCM_BITS-1:1]), + .iccm_rd_data(iccm_rd_data[63:0]) + ); +end +else begin + assign iccm_rd_data = '0 ; + assign iccm_rd_data_ecc = '0 ; +end + + +endmodule + +//******************************************************************************** +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** + +//******************************************************************************** +// Function: Programmable Interrupt Controller +// Comments: +//******************************************************************************** + +module eb1_pic_ctrl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + + input logic clk, // Core clock + input logic free_clk, // free clock + input logic rst_l, // Reset for all flops + input logic clk_override, // Clock over-ride for gating + input logic io_clk_override, // PIC IO Clock over-ride for gating + input logic [pt.PIC_TOTAL_INT_PLUS1-1:0] extintsrc_req, // Interrupt requests + input logic [31:0] picm_rdaddr, // Address of the register + input logic [31:0] picm_wraddr, // Address of the register + input logic [31:0] picm_wr_data, // Data to be written to the register + input logic picm_wren, // Write enable to the register + input logic picm_rden, // Read enable for the register + input logic picm_mken, // Read the Mask for the register + input logic [3:0] meicurpl, // Current Priority Level + input logic [3:0] meipt, // Current Priority Threshold + + output logic mexintpend, // External Inerrupt request to the core + output logic [7:0] claimid, // Claim Id of the requested interrupt + output logic [3:0] pl, // Priority level of the requested interrupt + output logic [31:0] picm_rd_data, // Read data of the register + output logic mhwakeup, // Wake-up interrupt request + input logic scan_mode // scan mode + +); + +localparam NUM_LEVELS = $clog2(pt.PIC_TOTAL_INT_PLUS1); +localparam INTPRIORITY_BASE_ADDR = pt.PIC_BASE_ADDR ; +localparam INTPEND_BASE_ADDR = pt.PIC_BASE_ADDR + 32'h00001000 ; +localparam INTENABLE_BASE_ADDR = pt.PIC_BASE_ADDR + 32'h00002000 ; +localparam EXT_INTR_PIC_CONFIG = pt.PIC_BASE_ADDR + 32'h00003000 ; +localparam EXT_INTR_GW_CONFIG = pt.PIC_BASE_ADDR + 32'h00004000 ; +localparam EXT_INTR_GW_CLEAR = pt.PIC_BASE_ADDR + 32'h00005000 ; + + +localparam INTPEND_SIZE = (pt.PIC_TOTAL_INT_PLUS1 < 32) ? 32 : + (pt.PIC_TOTAL_INT_PLUS1 < 64) ? 64 : + (pt.PIC_TOTAL_INT_PLUS1 < 128) ? 128 : + (pt.PIC_TOTAL_INT_PLUS1 < 256) ? 256 : + (pt.PIC_TOTAL_INT_PLUS1 < 512) ? 512 : 1024 ; + +localparam INT_GRPS = INTPEND_SIZE / 32 ; +localparam INTPRIORITY_BITS = 4 ; +localparam ID_BITS = 8 ; +localparam int GW_CONFIG[pt.PIC_TOTAL_INT_PLUS1-1:0] = '{default:0} ; + +localparam INT_ENABLE_GRPS = (pt.PIC_TOTAL_INT_PLUS1 - 1) / 4 ; + +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] intenable_clk_enable ; +logic [INT_ENABLE_GRPS:0] intenable_clk_enable_grp ; +logic [INT_ENABLE_GRPS:0] gw_clk ; + +logic addr_intpend_base_match; + +logic raddr_config_pic_match ; +logic raddr_intenable_base_match; +logic raddr_intpriority_base_match; +logic raddr_config_gw_base_match ; + +logic waddr_config_pic_match ; +logic waddr_intpriority_base_match; +logic waddr_intenable_base_match; +logic waddr_config_gw_base_match ; +logic addr_clear_gw_base_match ; + +logic mexintpend_in; +logic mhwakeup_in ; +logic intpend_reg_read ; + +logic [31:0] picm_rd_data_in, intpend_rd_out; +logic intenable_rd_out ; +logic [INTPRIORITY_BITS-1:0] intpriority_rd_out; +logic [1:0] gw_config_rd_out; + +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] [INTPRIORITY_BITS-1:0] intpriority_reg; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] [INTPRIORITY_BITS-1:0] intpriority_reg_inv; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] intpriority_reg_we; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] intpriority_reg_re; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] [1:0] gw_config_reg; + +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] intenable_reg; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] intenable_reg_we; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] intenable_reg_re; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] gw_config_reg_we; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] gw_config_reg_re; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] gw_clear_reg_we; + +logic [INTPEND_SIZE-1:0] intpend_reg_extended; + +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] [INTPRIORITY_BITS-1:0] intpend_w_prior_en; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] [ID_BITS-1:0] intpend_id; +logic [INTPRIORITY_BITS-1:0] maxint; +logic [INTPRIORITY_BITS-1:0] selected_int_priority; +logic [INT_GRPS-1:0] [31:0] intpend_rd_part_out ; + +logic config_reg; +logic intpriord; +logic config_reg_we ; +logic config_reg_re ; +logic config_reg_in ; +logic prithresh_reg_write , prithresh_reg_read; +logic intpriority_reg_read ; +logic intenable_reg_read ; +logic gw_config_reg_read ; +logic picm_wren_ff , picm_rden_ff ; +logic [31:0] picm_raddr_ff; +logic [31:0] picm_waddr_ff; +logic [31:0] picm_wr_data_ff; +logic [3:0] mask; +logic picm_mken_ff; +logic [ID_BITS-1:0] claimid_in ; +logic [INTPRIORITY_BITS-1:0] pl_in ; +logic [INTPRIORITY_BITS-1:0] pl_in_q ; + +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] extintsrc_req_sync; +logic [pt.PIC_TOTAL_INT_PLUS1-1:0] extintsrc_req_gw; + logic picm_bypass_ff; + +// clkens + logic pic_raddr_c1_clken; + logic pic_waddr_c1_clken; + logic pic_data_c1_clken; + logic pic_pri_c1_clken; + logic pic_int_c1_clken; + logic gw_config_c1_clken; + +// clocks + logic pic_raddr_c1_clk; + logic pic_data_c1_clk; + logic pic_pri_c1_clk; + logic pic_int_c1_clk; + logic gw_config_c1_clk; + +// ---- Clock gating section ------ +// c1 clock enables + assign pic_raddr_c1_clken = picm_mken | picm_rden | clk_override; + assign pic_data_c1_clken = picm_wren | clk_override; + assign pic_pri_c1_clken = (waddr_intpriority_base_match & picm_wren_ff) | (raddr_intpriority_base_match & picm_rden_ff) | clk_override; + assign pic_int_c1_clken = (waddr_intenable_base_match & picm_wren_ff) | (raddr_intenable_base_match & picm_rden_ff) | clk_override; + assign gw_config_c1_clken = (waddr_config_gw_base_match & picm_wren_ff) | (raddr_config_gw_base_match & picm_rden_ff) | clk_override; + + // C1 - 1 clock pulse for data + rvoclkhdr pic_addr_c1_cgc ( .en(pic_raddr_c1_clken), .l1clk(pic_raddr_c1_clk), .* ); + rvoclkhdr pic_data_c1_cgc ( .en(pic_data_c1_clken), .l1clk(pic_data_c1_clk), .* ); + rvoclkhdr pic_pri_c1_cgc ( .en(pic_pri_c1_clken), .l1clk(pic_pri_c1_clk), .* ); + rvoclkhdr pic_int_c1_cgc ( .en(pic_int_c1_clken), .l1clk(pic_int_c1_clk), .* ); + rvoclkhdr gw_config_c1_cgc ( .en(gw_config_c1_clken), .l1clk(gw_config_c1_clk), .* ); + +// ------ end clock gating section ------------------------ + +assign raddr_intenable_base_match = (picm_raddr_ff[31:NUM_LEVELS+2] == INTENABLE_BASE_ADDR[31:NUM_LEVELS+2]) ; +assign raddr_intpriority_base_match = (picm_raddr_ff[31:NUM_LEVELS+2] == INTPRIORITY_BASE_ADDR[31:NUM_LEVELS+2]) ; +assign raddr_config_gw_base_match = (picm_raddr_ff[31:NUM_LEVELS+2] == EXT_INTR_GW_CONFIG[31:NUM_LEVELS+2]) ; +assign raddr_config_pic_match = (picm_raddr_ff[31:0] == EXT_INTR_PIC_CONFIG[31:0]) ; + +assign addr_intpend_base_match = (picm_raddr_ff[31:6] == INTPEND_BASE_ADDR[31:6]) ; + +assign waddr_config_pic_match = (picm_waddr_ff[31:0] == EXT_INTR_PIC_CONFIG[31:0]) ; +assign addr_clear_gw_base_match = (picm_waddr_ff[31:NUM_LEVELS+2] == EXT_INTR_GW_CLEAR[31:NUM_LEVELS+2]) ; +assign waddr_intpriority_base_match = (picm_waddr_ff[31:NUM_LEVELS+2] == INTPRIORITY_BASE_ADDR[31:NUM_LEVELS+2]) ; +assign waddr_intenable_base_match = (picm_waddr_ff[31:NUM_LEVELS+2] == INTENABLE_BASE_ADDR[31:NUM_LEVELS+2]) ; +assign waddr_config_gw_base_match = (picm_waddr_ff[31:NUM_LEVELS+2] == EXT_INTR_GW_CONFIG[31:NUM_LEVELS+2]) ; + + assign picm_bypass_ff = picm_rden_ff & picm_wren_ff & ( picm_raddr_ff[31:0] == picm_waddr_ff[31:0] ); // pic writes and reads to same address together + + +rvdff #(32) picm_radd_flop (.*, .din (picm_rdaddr), .dout(picm_raddr_ff), .clk(pic_raddr_c1_clk)); +rvdff #(32) picm_wadd_flop (.*, .din (picm_wraddr), .dout(picm_waddr_ff), .clk(pic_data_c1_clk)); +rvdff #(1) picm_wre_flop (.*, .din (picm_wren), .dout(picm_wren_ff), .clk(free_clk)); +rvdff #(1) picm_rde_flop (.*, .din (picm_rden), .dout(picm_rden_ff), .clk(free_clk)); +rvdff #(1) picm_mke_flop (.*, .din (picm_mken), .dout(picm_mken_ff), .clk(free_clk)); +rvdff #(32) picm_dat_flop (.*, .din (picm_wr_data[31:0]), .dout(picm_wr_data_ff[31:0]), .clk(pic_data_c1_clk)); + + +genvar p ; +for (p=0; p<=INT_ENABLE_GRPS ; p++) begin : IO_CLK_GRP + if (p==INT_ENABLE_GRPS) begin : LAST_GRP + assign intenable_clk_enable_grp[p] = |intenable_clk_enable[pt.PIC_TOTAL_INT_PLUS1-1 : p*4] | io_clk_override; + rvoclkhdr intenable_c1_cgc ( .en(intenable_clk_enable_grp[p]), .l1clk(gw_clk[p]), .* ); + end else begin : CLK_GRPS + assign intenable_clk_enable_grp[p] = |intenable_clk_enable[p*4+3 : p*4] | io_clk_override; + rvoclkhdr intenable_c1_cgc ( .en(intenable_clk_enable_grp[p]), .l1clk(gw_clk[p]), .* ); + end +end + + + +genvar i ; +for (i=0; i<pt.PIC_TOTAL_INT_PLUS1 ; i++) begin : SETREG + + if (i > 0 ) begin : NON_ZERO_INT + assign intpriority_reg_we[i] = waddr_intpriority_base_match & (picm_waddr_ff[NUM_LEVELS+1:2] == i) & picm_wren_ff; + assign intpriority_reg_re[i] = raddr_intpriority_base_match & (picm_raddr_ff[NUM_LEVELS+1:2] == i) & picm_rden_ff; + + assign intenable_reg_we[i] = waddr_intenable_base_match & (picm_waddr_ff[NUM_LEVELS+1:2] == i) & picm_wren_ff; + assign intenable_reg_re[i] = raddr_intenable_base_match & (picm_raddr_ff[NUM_LEVELS+1:2] == i) & picm_rden_ff; + + assign gw_config_reg_we[i] = waddr_config_gw_base_match & (picm_waddr_ff[NUM_LEVELS+1:2] == i) & picm_wren_ff; + assign gw_config_reg_re[i] = raddr_config_gw_base_match & (picm_raddr_ff[NUM_LEVELS+1:2] == i) & picm_rden_ff; + + assign gw_clear_reg_we[i] = addr_clear_gw_base_match & (picm_waddr_ff[NUM_LEVELS+1:2] == i) & picm_wren_ff ; + + rvdffs #(INTPRIORITY_BITS) intpriority_ff (.*, .en( intpriority_reg_we[i]), .din (picm_wr_data_ff[INTPRIORITY_BITS-1:0]), .dout(intpriority_reg[i]), .clk(pic_pri_c1_clk)); + rvdffs #(1) intenable_ff (.*, .en( intenable_reg_we[i]), .din (picm_wr_data_ff[0]), .dout(intenable_reg[i]), .clk(pic_int_c1_clk)); + + assign intenable_clk_enable[i] = gw_config_reg[i][1] | intenable_reg_we[i] | intenable_reg[i] | gw_clear_reg_we[i] ; + + rvsyncss_fpga #(1) sync_inst + ( + .gw_clk (gw_clk[i/4]), + .rawclk (clk), + .clken (intenable_clk_enable_grp[i/4]), + .dout (extintsrc_req_sync[i]), + .din (extintsrc_req[i]), + .*) ; + + + +// if (GW_CONFIG[i]) begin + + rvdffs #(2) gw_config_ff (.*, .en( gw_config_reg_we[i]), .din (picm_wr_data_ff[1:0]), .dout(gw_config_reg[i]), .clk(gw_config_c1_clk)); + + eb1_configurable_gw config_gw_inst(.*, + .gw_clk(gw_clk[i/4]), + .rawclk(clk), + .clken (intenable_clk_enable_grp[i/4]), + .extintsrc_req_sync(extintsrc_req_sync[i]) , + .meigwctrl_polarity(gw_config_reg[i][0]) , + .meigwctrl_type(gw_config_reg[i][1]) , + .meigwclr(gw_clear_reg_we[i]) , + .extintsrc_req_config(extintsrc_req_gw[i]) + ); + + end else begin : INT_ZERO + assign intpriority_reg_we[i] = 1'b0 ; + assign intpriority_reg_re[i] = 1'b0 ; + assign intenable_reg_we[i] = 1'b0 ; + assign intenable_reg_re[i] = 1'b0 ; + + assign gw_config_reg_we[i] = 1'b0 ; + assign gw_config_reg_re[i] = 1'b0 ; + assign gw_clear_reg_we[i] = 1'b0 ; + + assign gw_config_reg[i] = '0 ; + + assign intpriority_reg[i] = {INTPRIORITY_BITS{1'b0}} ; + assign intenable_reg[i] = 1'b0 ; + assign extintsrc_req_gw[i] = 1'b0 ; + assign extintsrc_req_sync[i] = 1'b0 ; + assign intenable_clk_enable[i] = 1'b0; + end + + + assign intpriority_reg_inv[i] = intpriord ? ~intpriority_reg[i] : intpriority_reg[i] ; + + assign intpend_w_prior_en[i] = {INTPRIORITY_BITS{(extintsrc_req_gw[i] & intenable_reg[i])}} & intpriority_reg_inv[i] ; + assign intpend_id[i] = i ; +end + + + assign pl_in[INTPRIORITY_BITS-1:0] = selected_int_priority[INTPRIORITY_BITS-1:0] ; + + + genvar l, m , j, k; + +if (pt.PIC_2CYCLE == 1) begin : genblock + logic [NUM_LEVELS/2:0] [pt.PIC_TOTAL_INT_PLUS1+2:0] [INTPRIORITY_BITS-1:0] level_intpend_w_prior_en; + logic [NUM_LEVELS/2:0] [pt.PIC_TOTAL_INT_PLUS1+2:0] [ID_BITS-1:0] level_intpend_id; + logic [NUM_LEVELS:NUM_LEVELS/2] [(pt.PIC_TOTAL_INT_PLUS1/2**(NUM_LEVELS/2))+1:0] [INTPRIORITY_BITS-1:0] levelx_intpend_w_prior_en; + logic [NUM_LEVELS:NUM_LEVELS/2] [(pt.PIC_TOTAL_INT_PLUS1/2**(NUM_LEVELS/2))+1:0] [ID_BITS-1:0] levelx_intpend_id; + + assign level_intpend_w_prior_en[0][pt.PIC_TOTAL_INT_PLUS1+2:0] = {4'b0,4'b0,4'b0,intpend_w_prior_en[pt.PIC_TOTAL_INT_PLUS1-1:0]} ; + assign level_intpend_id[0][pt.PIC_TOTAL_INT_PLUS1+2:0] = {8'b0,8'b0,8'b0,intpend_id[pt.PIC_TOTAL_INT_PLUS1-1:0]} ; + + logic [(pt.PIC_TOTAL_INT_PLUS1/2**(NUM_LEVELS/2)):0] [INTPRIORITY_BITS-1:0] l2_intpend_w_prior_en_ff; + logic [(pt.PIC_TOTAL_INT_PLUS1/2**(NUM_LEVELS/2)):0] [ID_BITS-1:0] l2_intpend_id_ff; + + assign levelx_intpend_w_prior_en[NUM_LEVELS/2][(pt.PIC_TOTAL_INT_PLUS1/2**(NUM_LEVELS/2))+1:0] = {{1*INTPRIORITY_BITS{1'b0}},l2_intpend_w_prior_en_ff[(pt.PIC_TOTAL_INT_PLUS1/2**(NUM_LEVELS/2)):0]} ; + assign levelx_intpend_id[NUM_LEVELS/2][(pt.PIC_TOTAL_INT_PLUS1/2**(NUM_LEVELS/2))+1:0] = {{1*ID_BITS{1'b1}},l2_intpend_id_ff[(pt.PIC_TOTAL_INT_PLUS1/2**(NUM_LEVELS/2)):0]} ; +/// Do the prioritization of the interrupts here //////////// + for (l=0; l<NUM_LEVELS/2 ; l++) begin : TOP_LEVEL + for (m=0; m<=(pt.PIC_TOTAL_INT_PLUS1)/(2**(l+1)) ; m++) begin : COMPARE + if ( m == (pt.PIC_TOTAL_INT_PLUS1)/(2**(l+1))) begin + assign level_intpend_w_prior_en[l+1][m+1] = '0 ; + assign level_intpend_id[l+1][m+1] = '0 ; + end + eb1_cmp_and_mux #(.ID_BITS(ID_BITS), + .INTPRIORITY_BITS(INTPRIORITY_BITS)) cmp_l1 ( + .a_id(level_intpend_id[l][2*m]), + .a_priority(level_intpend_w_prior_en[l][2*m]), + .b_id(level_intpend_id[l][2*m+1]), + .b_priority(level_intpend_w_prior_en[l][2*m+1]), + .out_id(level_intpend_id[l+1][m]), + .out_priority(level_intpend_w_prior_en[l+1][m])) ; + + end + end + + for (i=0; i<=pt.PIC_TOTAL_INT_PLUS1/2**(NUM_LEVELS/2) ; i++) begin : MIDDLE_FLOPS + rvdff #(INTPRIORITY_BITS) leveb1_intpend_prior_reg (.*, .din (level_intpend_w_prior_en[NUM_LEVELS/2][i]), .dout(l2_intpend_w_prior_en_ff[i]), .clk(free_clk)); + rvdff #(ID_BITS) leveb1_intpend_id_reg (.*, .din (level_intpend_id[NUM_LEVELS/2][i]), .dout(l2_intpend_id_ff[i]), .clk(free_clk)); + end + + for (j=NUM_LEVELS/2; j<NUM_LEVELS ; j++) begin : BOT_LEVELS + for (k=0; k<=(pt.PIC_TOTAL_INT_PLUS1)/(2**(j+1)) ; k++) begin : COMPARE + if ( k == (pt.PIC_TOTAL_INT_PLUS1)/(2**(j+1))) begin + assign levelx_intpend_w_prior_en[j+1][k+1] = '0 ; + assign levelx_intpend_id[j+1][k+1] = '0 ; + end + eb1_cmp_and_mux #(.ID_BITS(ID_BITS), + .INTPRIORITY_BITS(INTPRIORITY_BITS)) + cmp_l1 ( + .a_id(levelx_intpend_id[j][2*k]), + .a_priority(levelx_intpend_w_prior_en[j][2*k]), + .b_id(levelx_intpend_id[j][2*k+1]), + .b_priority(levelx_intpend_w_prior_en[j][2*k+1]), + .out_id(levelx_intpend_id[j+1][k]), + .out_priority(levelx_intpend_w_prior_en[j+1][k])) ; + end + end + assign claimid_in[ID_BITS-1:0] = levelx_intpend_id[NUM_LEVELS][0] ; // This is the last level output + assign selected_int_priority[INTPRIORITY_BITS-1:0] = levelx_intpend_w_prior_en[NUM_LEVELS][0] ; +end +else begin : genblock + + logic [NUM_LEVELS:0] [pt.PIC_TOTAL_INT_PLUS1+1:0] [INTPRIORITY_BITS-1:0] level_intpend_w_prior_en; + logic [NUM_LEVELS:0] [pt.PIC_TOTAL_INT_PLUS1+1:0] [ID_BITS-1:0] level_intpend_id; + + assign level_intpend_w_prior_en[0][pt.PIC_TOTAL_INT_PLUS1+1:0] = {{2*INTPRIORITY_BITS{1'b0}},intpend_w_prior_en[pt.PIC_TOTAL_INT_PLUS1-1:0]} ; + assign level_intpend_id[0][pt.PIC_TOTAL_INT_PLUS1+1:0] = {{2*ID_BITS{1'b1}},intpend_id[pt.PIC_TOTAL_INT_PLUS1-1:0]} ; + +/// Do the prioritization of the interrupts here //////////// +// genvar l, m , j, k; already declared outside ifdef + for (l=0; l<NUM_LEVELS ; l++) begin : LEVEL + for (m=0; m<=(pt.PIC_TOTAL_INT_PLUS1)/(2**(l+1)) ; m++) begin : COMPARE + if ( m == (pt.PIC_TOTAL_INT_PLUS1)/(2**(l+1))) begin + assign level_intpend_w_prior_en[l+1][m+1] = '0 ; + assign level_intpend_id[l+1][m+1] = '0 ; + end + eb1_cmp_and_mux #(.ID_BITS(ID_BITS), + .INTPRIORITY_BITS(INTPRIORITY_BITS)) cmp_l1 ( + .a_id(level_intpend_id[l][2*m]), + .a_priority(level_intpend_w_prior_en[l][2*m]), + .b_id(level_intpend_id[l][2*m+1]), + .b_priority(level_intpend_w_prior_en[l][2*m+1]), + .out_id(level_intpend_id[l+1][m]), + .out_priority(level_intpend_w_prior_en[l+1][m])) ; + + end + end + assign claimid_in[ID_BITS-1:0] = level_intpend_id[NUM_LEVELS][0] ; // This is the last level output + assign selected_int_priority[INTPRIORITY_BITS-1:0] = level_intpend_w_prior_en[NUM_LEVELS][0] ; + +end + + + +/////////////////////////////////////////////////////////////////////// +// Config Reg` +/////////////////////////////////////////////////////////////////////// +assign config_reg_we = waddr_config_pic_match & picm_wren_ff; +assign config_reg_re = raddr_config_pic_match & picm_rden_ff; + +assign config_reg_in = picm_wr_data_ff[0] ; // +rvdffs #(1) config_reg_ff (.*, .clk(free_clk), .en(config_reg_we), .din (config_reg_in), .dout(config_reg)); + +assign intpriord = config_reg ; + + + +////////////////////////////////////////////////////////////////////////// +// Send the interrupt to the core if it is above the thresh-hold +////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////// +/// ClaimId Reg and Corresponding PL +/////////////////////////////////////////////////////////// +// +assign pl_in_q[INTPRIORITY_BITS-1:0] = intpriord ? ~pl_in : pl_in ; +rvdff #(ID_BITS) claimid_ff (.*, .din (claimid_in[ID_BITS-1:00]), .dout(claimid[ID_BITS-1:00]), .clk(free_clk)); +rvdff #(INTPRIORITY_BITS) pl_ff (.*, .din (pl_in_q[INTPRIORITY_BITS-1:0]), .dout(pl[INTPRIORITY_BITS-1:0]), .clk(free_clk)); + +logic [INTPRIORITY_BITS-1:0] meipt_inv , meicurpl_inv ; +assign meipt_inv[INTPRIORITY_BITS-1:0] = intpriord ? ~meipt[INTPRIORITY_BITS-1:0] : meipt[INTPRIORITY_BITS-1:0] ; +assign meicurpl_inv[INTPRIORITY_BITS-1:0] = intpriord ? ~meicurpl[INTPRIORITY_BITS-1:0] : meicurpl[INTPRIORITY_BITS-1:0] ; +assign mexintpend_in = (( selected_int_priority[INTPRIORITY_BITS-1:0] > meipt_inv[INTPRIORITY_BITS-1:0]) & + ( selected_int_priority[INTPRIORITY_BITS-1:0] > meicurpl_inv[INTPRIORITY_BITS-1:0]) ); +rvdff #(1) mexintpend_ff (.*, .clk(free_clk), .din (mexintpend_in), .dout(mexintpend)); + +assign maxint[INTPRIORITY_BITS-1:0] = intpriord ? 0 : 15 ; +assign mhwakeup_in = ( pl_in_q[INTPRIORITY_BITS-1:0] == maxint) ; +rvdff #(1) wake_up_ff (.*, .clk(free_clk), .din (mhwakeup_in), .dout(mhwakeup)); + + + + + +////////////////////////////////////////////////////////////////////////// +// Reads of register. +// 1- intpending +////////////////////////////////////////////////////////////////////////// + +assign intpend_reg_read = addr_intpend_base_match & picm_rden_ff ; +assign intpriority_reg_read = raddr_intpriority_base_match & picm_rden_ff; +assign intenable_reg_read = raddr_intenable_base_match & picm_rden_ff; +assign gw_config_reg_read = raddr_config_gw_base_match & picm_rden_ff; + +assign intpend_reg_extended[INTPEND_SIZE-1:0] = {{INTPEND_SIZE-pt.PIC_TOTAL_INT_PLUS1{1'b0}},extintsrc_req_gw[pt.PIC_TOTAL_INT_PLUS1-1:0]} ; + + for (i=0; i<(INT_GRPS); i++) begin + assign intpend_rd_part_out[i] = (({32{intpend_reg_read & picm_raddr_ff[5:2] == i}}) & intpend_reg_extended[((32*i)+31):(32*i)]) ; + end + + always_comb begin : INTPEND_RD + intpend_rd_out = '0 ; + for (int i=0; i<INT_GRPS; i++) begin + intpend_rd_out |= intpend_rd_part_out[i] ; + end + end + + always_comb begin : INTEN_RD + intenable_rd_out = '0 ; + intpriority_rd_out = '0 ; + gw_config_rd_out = '0 ; + for (int i=0; i<pt.PIC_TOTAL_INT_PLUS1; i++) begin + if (intenable_reg_re[i]) begin + intenable_rd_out = intenable_reg[i] ; + end + if (intpriority_reg_re[i]) begin + intpriority_rd_out = intpriority_reg[i] ; + end + if (gw_config_reg_re[i]) begin + gw_config_rd_out = gw_config_reg[i] ; + end + end + end + + + assign picm_rd_data_in[31:0] = ({32{intpend_reg_read }} & intpend_rd_out ) | + ({32{intpriority_reg_read }} & {{32-INTPRIORITY_BITS{1'b0}}, intpriority_rd_out } ) | + ({32{intenable_reg_read }} & {31'b0 , intenable_rd_out } ) | + ({32{gw_config_reg_read }} & {30'b0 , gw_config_rd_out } ) | + ({32{config_reg_re }} & {31'b0 , config_reg } ) | + ({32{picm_mken_ff & mask[3]}} & {30'b0 , 2'b11 } ) | + ({32{picm_mken_ff & mask[2]}} & {31'b0 , 1'b1 } ) | + ({32{picm_mken_ff & mask[1]}} & {28'b0 , 4'b1111 } ) | + ({32{picm_mken_ff & mask[0]}} & 32'b0 ) ; + + +assign picm_rd_data[31:0] = picm_bypass_ff ? picm_wr_data_ff[31:0] : picm_rd_data_in[31:0] ; + +logic [14:0] address; + +assign address[14:0] = picm_raddr_ff[14:0]; + +// mask[3:0] = { 4'b1000 - 30b mask,4'b0100 - 31b mask, 4'b0010 - 28b mask, 4'b0001 - 32b mask } +always_comb begin + case (address[14:0]) + 15'b011000000000000 : mask[3:0] = 4'b0100; + 15'b100000000000100 : mask[3:0] = 4'b1000; + 15'b100000000001000 : mask[3:0] = 4'b1000; + 15'b100000000001100 : mask[3:0] = 4'b1000; + 15'b100000000010000 : mask[3:0] = 4'b1000; + 15'b100000000010100 : mask[3:0] = 4'b1000; + 15'b100000000011000 : mask[3:0] = 4'b1000; + 15'b100000000011100 : mask[3:0] = 4'b1000; + 15'b100000000100000 : mask[3:0] = 4'b1000; + 15'b100000000100100 : mask[3:0] = 4'b1000; + 15'b100000000101000 : mask[3:0] = 4'b1000; + 15'b100000000101100 : mask[3:0] = 4'b1000; + 15'b100000000110000 : mask[3:0] = 4'b1000; + 15'b100000000110100 : mask[3:0] = 4'b1000; + 15'b100000000111000 : mask[3:0] = 4'b1000; + 15'b100000000111100 : mask[3:0] = 4'b1000; + 15'b100000001000000 : mask[3:0] = 4'b1000; + 15'b100000001000100 : mask[3:0] = 4'b1000; + 15'b100000001001000 : mask[3:0] = 4'b1000; + 15'b100000001001100 : mask[3:0] = 4'b1000; + 15'b100000001010000 : mask[3:0] = 4'b1000; + 15'b100000001010100 : mask[3:0] = 4'b1000; + 15'b100000001011000 : mask[3:0] = 4'b1000; + 15'b100000001011100 : mask[3:0] = 4'b1000; + 15'b100000001100000 : mask[3:0] = 4'b1000; + 15'b100000001100100 : mask[3:0] = 4'b1000; + 15'b100000001101000 : mask[3:0] = 4'b1000; + 15'b100000001101100 : mask[3:0] = 4'b1000; + 15'b100000001110000 : mask[3:0] = 4'b1000; + 15'b100000001110100 : mask[3:0] = 4'b1000; + 15'b100000001111000 : mask[3:0] = 4'b1000; + 15'b100000001111100 : mask[3:0] = 4'b1000; + 15'b010000000000100 : mask[3:0] = 4'b0100; + 15'b010000000001000 : mask[3:0] = 4'b0100; + 15'b010000000001100 : mask[3:0] = 4'b0100; + 15'b010000000010000 : mask[3:0] = 4'b0100; + 15'b010000000010100 : mask[3:0] = 4'b0100; + 15'b010000000011000 : mask[3:0] = 4'b0100; + 15'b010000000011100 : mask[3:0] = 4'b0100; + 15'b010000000100000 : mask[3:0] = 4'b0100; + 15'b010000000100100 : mask[3:0] = 4'b0100; + 15'b010000000101000 : mask[3:0] = 4'b0100; + 15'b010000000101100 : mask[3:0] = 4'b0100; + 15'b010000000110000 : mask[3:0] = 4'b0100; + 15'b010000000110100 : mask[3:0] = 4'b0100; + 15'b010000000111000 : mask[3:0] = 4'b0100; + 15'b010000000111100 : mask[3:0] = 4'b0100; + 15'b010000001000000 : mask[3:0] = 4'b0100; + 15'b010000001000100 : mask[3:0] = 4'b0100; + 15'b010000001001000 : mask[3:0] = 4'b0100; + 15'b010000001001100 : mask[3:0] = 4'b0100; + 15'b010000001010000 : mask[3:0] = 4'b0100; + 15'b010000001010100 : mask[3:0] = 4'b0100; + 15'b010000001011000 : mask[3:0] = 4'b0100; + 15'b010000001011100 : mask[3:0] = 4'b0100; + 15'b010000001100000 : mask[3:0] = 4'b0100; + 15'b010000001100100 : mask[3:0] = 4'b0100; + 15'b010000001101000 : mask[3:0] = 4'b0100; + 15'b010000001101100 : mask[3:0] = 4'b0100; + 15'b010000001110000 : mask[3:0] = 4'b0100; + 15'b010000001110100 : mask[3:0] = 4'b0100; + 15'b010000001111000 : mask[3:0] = 4'b0100; + 15'b010000001111100 : mask[3:0] = 4'b0100; + 15'b000000000000100 : mask[3:0] = 4'b0010; + 15'b000000000001000 : mask[3:0] = 4'b0010; + 15'b000000000001100 : mask[3:0] = 4'b0010; + 15'b000000000010000 : mask[3:0] = 4'b0010; + 15'b000000000010100 : mask[3:0] = 4'b0010; + 15'b000000000011000 : mask[3:0] = 4'b0010; + 15'b000000000011100 : mask[3:0] = 4'b0010; + 15'b000000000100000 : mask[3:0] = 4'b0010; + 15'b000000000100100 : mask[3:0] = 4'b0010; + 15'b000000000101000 : mask[3:0] = 4'b0010; + 15'b000000000101100 : mask[3:0] = 4'b0010; + 15'b000000000110000 : mask[3:0] = 4'b0010; + 15'b000000000110100 : mask[3:0] = 4'b0010; + 15'b000000000111000 : mask[3:0] = 4'b0010; + 15'b000000000111100 : mask[3:0] = 4'b0010; + 15'b000000001000000 : mask[3:0] = 4'b0010; + 15'b000000001000100 : mask[3:0] = 4'b0010; + 15'b000000001001000 : mask[3:0] = 4'b0010; + 15'b000000001001100 : mask[3:0] = 4'b0010; + 15'b000000001010000 : mask[3:0] = 4'b0010; + 15'b000000001010100 : mask[3:0] = 4'b0010; + 15'b000000001011000 : mask[3:0] = 4'b0010; + 15'b000000001011100 : mask[3:0] = 4'b0010; + 15'b000000001100000 : mask[3:0] = 4'b0010; + 15'b000000001100100 : mask[3:0] = 4'b0010; + 15'b000000001101000 : mask[3:0] = 4'b0010; + 15'b000000001101100 : mask[3:0] = 4'b0010; + 15'b000000001110000 : mask[3:0] = 4'b0010; + 15'b000000001110100 : mask[3:0] = 4'b0010; + 15'b000000001111000 : mask[3:0] = 4'b0010; + 15'b000000001111100 : mask[3:0] = 4'b0010; + default : mask[3:0] = 4'b0001; + endcase +end + +endmodule + + +module eb1_cmp_and_mux #(parameter ID_BITS=8, + INTPRIORITY_BITS = 4) + ( + input logic [ID_BITS-1:0] a_id, + input logic [INTPRIORITY_BITS-1:0] a_priority, + + input logic [ID_BITS-1:0] b_id, + input logic [INTPRIORITY_BITS-1:0] b_priority, + + output logic [ID_BITS-1:0] out_id, + output logic [INTPRIORITY_BITS-1:0] out_priority + + ); + +logic a_is_lt_b ; + +assign a_is_lt_b = ( a_priority[INTPRIORITY_BITS-1:0] < b_priority[INTPRIORITY_BITS-1:0] ) ; + +assign out_id[ID_BITS-1:0] = a_is_lt_b ? b_id[ID_BITS-1:0] : + a_id[ID_BITS-1:0] ; +assign out_priority[INTPRIORITY_BITS-1:0] = a_is_lt_b ? b_priority[INTPRIORITY_BITS-1:0] : + a_priority[INTPRIORITY_BITS-1:0] ; +endmodule // cmp_and_mux + + +module eb1_configurable_gw ( + input logic gw_clk, + input logic rawclk, + input logic clken, + input logic rst_l, + input logic extintsrc_req_sync , + input logic meigwctrl_polarity , + input logic meigwctrl_type , + input logic meigwclr , + + output logic extintsrc_req_config + ); + + + logic gw_int_pending_in , gw_int_pending ; + + assign gw_int_pending_in = (extintsrc_req_sync ^ meigwctrl_polarity) | (gw_int_pending & ~meigwclr) ; + rvdff_fpga #(1) int_pend_ff (.*, .clk(gw_clk), .rawclk(rawclk), .clken(clken), .din (gw_int_pending_in), .dout(gw_int_pending)); + + + assign extintsrc_req_config = meigwctrl_type ? ((extintsrc_req_sync ^ meigwctrl_polarity) | gw_int_pending) : (extintsrc_req_sync ^ meigwctrl_polarity) ; + +endmodule // configurable_gw + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** +// $Id$ +// +// Owner: +// Function: AHB to AXI4 Bridge +// Comments: +// +//******************************************************************************** +module ahb_to_axi4 +import eb1_pkg::*; +#( + TAG = 1, + parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) +// ,TAG = 1) +( + input clk, + input rst_l, + input scan_mode, + input bus_clk_en, + input clk_override, + + // AXI signals + // AXI Write Channels + output logic axi_awvalid, + input logic axi_awready, + output logic [TAG-1:0] axi_awid, + output logic [31:0] axi_awaddr, + output logic [2:0] axi_awsize, + output logic [2:0] axi_awprot, + output logic [7:0] axi_awlen, + output logic [1:0] axi_awburst, + + output logic axi_wvalid, + input logic axi_wready, + output logic [63:0] axi_wdata, + output logic [7:0] axi_wstrb, + output logic axi_wlast, + + input logic axi_bvalid, + output logic axi_bready, + input logic [1:0] axi_bresp, + input logic [TAG-1:0] axi_bid, + + // AXI Read Channels + output logic axi_arvalid, + input logic axi_arready, + output logic [TAG-1:0] axi_arid, + output logic [31:0] axi_araddr, + output logic [2:0] axi_arsize, + output logic [2:0] axi_arprot, + output logic [7:0] axi_arlen, + output logic [1:0] axi_arburst, + + input logic axi_rvalid, + output logic axi_rready, + input logic [TAG-1:0] axi_rid, + input logic [63:0] axi_rdata, + input logic [1:0] axi_rresp, + + // AHB-Lite signals + input logic [31:0] ahb_haddr, // ahb bus address + input logic [2:0] ahb_hburst, // tied to 0 + input logic ahb_hmastlock, // tied to 0 + input logic [3:0] ahb_hprot, // tied to 4'b0011 + input logic [2:0] ahb_hsize, // size of bus transaction (possible values 0,1,2,3) + input logic [1:0] ahb_htrans, // Transaction type (possible values 0,2 only right now) + input logic ahb_hwrite, // ahb bus write + input logic [63:0] ahb_hwdata, // ahb bus write data + input logic ahb_hsel, // this slave was selected + input logic ahb_hreadyin, // previous hready was accepted or not + + output logic [63:0] ahb_hrdata, // ahb bus read data + output logic ahb_hreadyout, // slave ready to accept transaction + output logic ahb_hresp // slave response (high indicates erro) + +); + + logic [7:0] master_wstrb; + + typedef enum logic [1:0] { IDLE = 2'b00, // Nothing in the buffer. No commands yet recieved + WR = 2'b01, // Write Command recieved + RD = 2'b10, // Read Command recieved + PEND = 2'b11 // Waiting on Read Data from core + } state_t; + state_t buf_state, buf_nxtstate; + logic buf_state_en; + + // Buffer signals (one entry buffer) + logic buf_read_error_in, buf_read_error; + logic [63:0] buf_rdata; + + logic ahb_hready; + logic ahb_hready_q; + logic [1:0] ahb_htrans_in, ahb_htrans_q; + logic [2:0] ahb_hsize_q; + logic ahb_hwrite_q; + logic [31:0] ahb_haddr_q; + logic [63:0] ahb_hwdata_q; + logic ahb_hresp_q; + + //Miscellaneous signals + logic ahb_addr_in_dccm, ahb_addr_in_iccm, ahb_addr_in_pic; + logic ahb_addr_in_dccm_region_nc, ahb_addr_in_iccm_region_nc, ahb_addr_in_pic_region_nc; + // signals needed for the read data coming back from the core and to block any further commands as AHB is a blocking bus + logic buf_rdata_en; + + logic ahb_addr_clk_en, buf_rdata_clk_en; + logic bus_clk, ahb_addr_clk, buf_rdata_clk; + // Command buffer is the holding station where we convert to AXI and send to core + logic cmdbuf_wr_en, cmdbuf_rst; + logic cmdbuf_full; + logic cmdbuf_vld, cmdbuf_write; + logic [1:0] cmdbuf_size; + logic [7:0] cmdbuf_wstrb; + logic [31:0] cmdbuf_addr; + logic [63:0] cmdbuf_wdata; + +// FSM to control the bus states and when to block the hready and load the command buffer + always_comb begin + buf_nxtstate = IDLE; + buf_state_en = 1'b0; + buf_rdata_en = 1'b0; // signal to load the buffer when the core sends read data back + buf_read_error_in = 1'b0; // signal indicating that an error came back with the read from the core + cmdbuf_wr_en = 1'b0; // all clear from the gasket to load the buffer with the command for reads, command/dat for writes + case (buf_state) + IDLE: begin // No commands recieved + buf_nxtstate = ahb_hwrite ? WR : RD; + buf_state_en = ahb_hready & ahb_htrans[1] & ahb_hsel; // only transition on a valid hrtans + end + WR: begin // Write command recieved last cycle + buf_nxtstate = (ahb_hresp | (ahb_htrans[1:0] == 2'b0) | ~ahb_hsel) ? IDLE : ahb_hwrite ? WR : RD; + buf_state_en = (~cmdbuf_full | ahb_hresp) ; + cmdbuf_wr_en = ~cmdbuf_full & ~(ahb_hresp | ((ahb_htrans[1:0] == 2'b01) & ahb_hsel)); // Dont send command to the buffer in case of an error or when the master is not ready with the data now. + end + RD: begin // Read command recieved last cycle. + buf_nxtstate = ahb_hresp ? IDLE :PEND; // If error go to idle, else wait for read data + buf_state_en = (~cmdbuf_full | ahb_hresp); // only when command can go, or if its an error + cmdbuf_wr_en = ~ahb_hresp & ~cmdbuf_full; // send command only when no error + end + PEND: begin // Read Command has been sent. Waiting on Data. + buf_nxtstate = IDLE; // go back for next command and present data next cycle + buf_state_en = axi_rvalid & ~cmdbuf_write; // read data is back + buf_rdata_en = buf_state_en; // buffer the read data coming back from core + buf_read_error_in = buf_state_en & |axi_rresp[1:0]; // buffer error flag if return has Error ( ECC ) + end + endcase + end // always_comb begin + + rvdffs_fpga #($bits(state_t)) state_reg (.*, .din(buf_nxtstate), .dout({buf_state}), .en(buf_state_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk)); + + assign master_wstrb[7:0] = ({8{ahb_hsize_q[2:0] == 3'b0}} & (8'b1 << ahb_haddr_q[2:0])) | + ({8{ahb_hsize_q[2:0] == 3'b1}} & (8'b11 << ahb_haddr_q[2:0])) | + ({8{ahb_hsize_q[2:0] == 3'b10}} & (8'b1111 << ahb_haddr_q[2:0])) | + ({8{ahb_hsize_q[2:0] == 3'b11}} & 8'b1111_1111); + + // AHB signals + assign ahb_hreadyout = ahb_hresp ? (ahb_hresp_q & ~ahb_hready_q) : + ((~cmdbuf_full | (buf_state == IDLE)) & ~(buf_state == RD | buf_state == PEND) & ~buf_read_error); + + assign ahb_hready = ahb_hreadyout & ahb_hreadyin; + assign ahb_htrans_in[1:0] = {2{ahb_hsel}} & ahb_htrans[1:0]; + assign ahb_hrdata[63:0] = buf_rdata[63:0]; + assign ahb_hresp = ((ahb_htrans_q[1:0] != 2'b0) & (buf_state != IDLE) & + + ((~(ahb_addr_in_dccm | ahb_addr_in_iccm)) | // request not for ICCM or DCCM + ((ahb_addr_in_iccm | (ahb_addr_in_dccm & ahb_hwrite_q)) & ~((ahb_hsize_q[1:0] == 2'b10) | (ahb_hsize_q[1:0] == 2'b11))) | // ICCM Rd/Wr OR DCCM Wr not the right size + ((ahb_hsize_q[2:0] == 3'h1) & ahb_haddr_q[0]) | // HW size but unaligned + ((ahb_hsize_q[2:0] == 3'h2) & (|ahb_haddr_q[1:0])) | // W size but unaligned + ((ahb_hsize_q[2:0] == 3'h3) & (|ahb_haddr_q[2:0])))) | // DW size but unaligned + buf_read_error | // Read ECC error + (ahb_hresp_q & ~ahb_hready_q); + + // Buffer signals - needed for the read data and ECC error response + rvdff_fpga #(.WIDTH(64)) buf_rdata_ff (.din(axi_rdata[63:0]), .dout(buf_rdata[63:0]), .clk(buf_rdata_clk), .clken(buf_rdata_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) buf_read_error_ff(.din(buf_read_error_in), .dout(buf_read_error), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); // buf_read_error will be high only one cycle + + // All the Master signals are captured before presenting it to the command buffer. We check for Hresp before sending it to the cmd buffer. + rvdff_fpga #(.WIDTH(1)) hresp_ff (.din(ahb_hresp), .dout(ahb_hresp_q), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) hready_ff (.din(ahb_hready), .dout(ahb_hready_q), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(2)) htrans_ff (.din(ahb_htrans_in[1:0]), .dout(ahb_htrans_q[1:0]), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(3)) hsize_ff (.din(ahb_hsize[2:0]), .dout(ahb_hsize_q[2:0]), .clk(ahb_addr_clk), .clken(ahb_addr_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) hwrite_ff (.din(ahb_hwrite), .dout(ahb_hwrite_q), .clk(ahb_addr_clk), .clken(ahb_addr_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(32)) haddr_ff (.din(ahb_haddr[31:0]), .dout(ahb_haddr_q[31:0]), .clk(ahb_addr_clk), .clken(ahb_addr_clk_en), .rawclk(clk), .*); + + // Address check dccm + rvrangecheck #(.CCM_SADR(pt.DCCM_SADR), + .CCM_SIZE(pt.DCCM_SIZE)) addr_dccm_rangecheck ( + .addr(ahb_haddr_q[31:0]), + .in_range(ahb_addr_in_dccm), + .in_region(ahb_addr_in_dccm_region_nc) + ); + + // Address check iccm + if (pt.ICCM_ENABLE == 1) begin: GenICCM + rvrangecheck #(.CCM_SADR(pt.ICCM_SADR), + .CCM_SIZE(pt.ICCM_SIZE)) addr_iccm_rangecheck ( + .addr(ahb_haddr_q[31:0]), + .in_range(ahb_addr_in_iccm), + .in_region(ahb_addr_in_iccm_region_nc) + ); + end else begin: GenNoICCM + assign ahb_addr_in_iccm = '0; + assign ahb_addr_in_iccm_region_nc = '0; + end + + // PIC memory address check + rvrangecheck #(.CCM_SADR(pt.PIC_BASE_ADDR), + .CCM_SIZE(pt.PIC_SIZE)) addr_pic_rangecheck ( + .addr(ahb_haddr_q[31:0]), + .in_range(ahb_addr_in_pic), + .in_region(ahb_addr_in_pic_region_nc) + ); + + // Command Buffer - Holding for the commands to be sent for the AXI. It will be converted to the AXI signals. + assign cmdbuf_rst = (((axi_awvalid & axi_awready) | (axi_arvalid & axi_arready)) & ~cmdbuf_wr_en) | (ahb_hresp & ~cmdbuf_write); + assign cmdbuf_full = (cmdbuf_vld & ~((axi_awvalid & axi_awready) | (axi_arvalid & axi_arready))); + + rvdffsc_fpga #(.WIDTH(1)) cmdbuf_vldff (.din(1'b1), .dout(cmdbuf_vld), .en(cmdbuf_wr_en), .clear(cmdbuf_rst), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(1)) cmdbuf_writeff (.din(ahb_hwrite_q), .dout(cmdbuf_write), .en(cmdbuf_wr_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(2)) cmdbuf_sizeff (.din(ahb_hsize_q[1:0]), .dout(cmdbuf_size[1:0]), .en(cmdbuf_wr_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(8)) cmdbuf_wstrbff (.din(master_wstrb[7:0]), .dout(cmdbuf_wstrb[7:0]), .en(cmdbuf_wr_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffe #(.WIDTH(32)) cmdbuf_addrff (.din(ahb_haddr_q[31:0]), .dout(cmdbuf_addr[31:0]), .en(cmdbuf_wr_en & bus_clk_en), .clk(clk), .*); + rvdffe #(.WIDTH(64)) cmdbuf_wdataff (.din(ahb_hwdata[63:0]), .dout(cmdbuf_wdata[63:0]), .en(cmdbuf_wr_en & bus_clk_en), .clk(clk), .*); + + // AXI Write Command Channel + assign axi_awvalid = cmdbuf_vld & cmdbuf_write; + assign axi_awid[TAG-1:0] = '0; + assign axi_awaddr[31:0] = cmdbuf_addr[31:0]; + assign axi_awsize[2:0] = {1'b0, cmdbuf_size[1:0]}; + assign axi_awprot[2:0] = 3'b0; + assign axi_awlen[7:0] = '0; + assign axi_awburst[1:0] = 2'b01; + // AXI Write Data Channel - This is tied to the command channel as we only write the command buffer once we have the data. + assign axi_wvalid = cmdbuf_vld & cmdbuf_write; + assign axi_wdata[63:0] = cmdbuf_wdata[63:0]; + assign axi_wstrb[7:0] = cmdbuf_wstrb[7:0]; + assign axi_wlast = 1'b1; + // AXI Write Response - Always ready. AHB does not require a write response. + assign axi_bready = 1'b1; + // AXI Read Channels + assign axi_arvalid = cmdbuf_vld & ~cmdbuf_write; + assign axi_arid[TAG-1:0] = '0; + assign axi_araddr[31:0] = cmdbuf_addr[31:0]; + assign axi_arsize[2:0] = {1'b0, cmdbuf_size[1:0]}; + assign axi_arprot = 3'b0; + assign axi_arlen[7:0] = '0; + assign axi_arburst[1:0] = 2'b01; + // AXI Read Response Channel - Always ready as AHB reads are blocking and the the buffer is available for the read coming back always. + assign axi_rready = 1'b1; + + // Clock header logic + assign ahb_addr_clk_en = bus_clk_en & (ahb_hready & ahb_htrans[1]); + assign buf_rdata_clk_en = bus_clk_en & buf_rdata_en; + + rvclkhdr bus_cgc (.en(bus_clk_en), .l1clk(bus_clk), .*); + rvclkhdr ahb_addr_cgc (.en(ahb_addr_clk_en), .l1clk(ahb_addr_clk), .*); + rvclkhdr buf_rdata_cgc (.en(buf_rdata_clk_en), .l1clk(buf_rdata_clk), .*); + + +endmodule // ahb_to_axi4 + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2018 MERL Corporation or it's affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//------------------------------------------------------------------------------------ +// +// Copyright MERL, 2019 +// Owner : Alex Grobman +// Description: +// This module Synchronizes the signals between JTAG (TCK) and +// processor (Core_clk) +// +//------------------------------------------------------------------------------------- + +module dmi_jtag_to_core_sync ( +// JTAG signals +input rd_en, // 1 bit Read Enable from JTAG +input wr_en, // 1 bit Write enable from JTAG + +// Processor Signals +input rst_n, // Core reset +input clk, // Core clock + +output reg_en, // 1 bit Write interface bit to Processor +output reg_wr_en // 1 bit Write enable to Processor +); + +wire c_rd_en; +wire c_wr_en; +reg [2:0] rden, wren; + + +// Outputs +assign reg_en = c_wr_en | c_rd_en; +assign reg_wr_en = c_wr_en; + + +// synchronizers +always @ ( posedge clk or negedge rst_n) begin + if(!rst_n) begin + rden <= '0; + wren <= '0; + end + else begin + rden <= {rden[1:0], rd_en}; + wren <= {wren[1:0], wr_en}; + end +end + +assign c_rd_en = rden[1] & ~rden[2]; +assign c_wr_en = wren[1] & ~wren[2]; + + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// Owner: +// Function: AXI4 -> AHB Bridge +// Comments: +// +//******************************************************************************** +module axi4_to_ahb +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +} +,parameter TAG = 1) ( + + input clk, + input free_clk, + input rst_l, + input scan_mode, + input bus_clk_en, + input clk_override, + input dec_tlu_force_halt, + + // AXI signals + // AXI Write Channels + input logic axi_awvalid, + output logic axi_awready, + input logic [TAG-1:0] axi_awid, + input logic [31:0] axi_awaddr, + input logic [2:0] axi_awsize, + input logic [2:0] axi_awprot, + + input logic axi_wvalid, + output logic axi_wready, + input logic [63:0] axi_wdata, + input logic [7:0] axi_wstrb, + input logic axi_wlast, + + output logic axi_bvalid, + input logic axi_bready, + output logic [1:0] axi_bresp, + output logic [TAG-1:0] axi_bid, + + // AXI Read Channels + input logic axi_arvalid, + output logic axi_arready, + input logic [TAG-1:0] axi_arid, + input logic [31:0] axi_araddr, + input logic [2:0] axi_arsize, + input logic [2:0] axi_arprot, + + output logic axi_rvalid, + input logic axi_rready, + output logic [TAG-1:0] axi_rid, + output logic [63:0] axi_rdata, + output logic [1:0] axi_rresp, + output logic axi_rlast, + + // AHB-Lite signals + output logic [31:0] ahb_haddr, // ahb bus address + output logic [2:0] ahb_hburst, // tied to 0 + output logic ahb_hmastlock, // tied to 0 + output logic [3:0] ahb_hprot, // tied to 4'b0011 + output logic [2:0] ahb_hsize, // size of bus transaction (possible values 0,1,2,3) + output logic [1:0] ahb_htrans, // Transaction type (possible values 0,2 only right now) + output logic ahb_hwrite, // ahb bus write + output logic [63:0] ahb_hwdata, // ahb bus write data + + input logic [63:0] ahb_hrdata, // ahb bus read data + input logic ahb_hready, // slave ready to accept transaction + input logic ahb_hresp // slave response (high indicates erro) + +); + + localparam ID = 1; + localparam PRTY = 1; + typedef enum logic [2:0] {IDLE=3'b000, CMD_RD=3'b001, CMD_WR=3'b010, DATA_RD=3'b011, DATA_WR=3'b100, DONE=3'b101, STREAM_RD=3'b110, STREAM_ERR_RD=3'b111} state_t; + state_t buf_state, buf_nxtstate; + + logic slave_valid; + logic slave_ready; + logic [TAG-1:0] slave_tag; + logic [63:0] slave_rdata; + logic [3:0] slave_opc; + + logic wrbuf_en, wrbuf_data_en; + logic wrbuf_cmd_sent, wrbuf_rst; + logic wrbuf_vld; + logic wrbuf_data_vld; + logic [TAG-1:0] wrbuf_tag; + logic [2:0] wrbuf_size; + logic [31:0] wrbuf_addr; + logic [63:0] wrbuf_data; + logic [7:0] wrbuf_byteen; + + logic master_valid; + logic master_ready; + logic [TAG-1:0] master_tag; + logic [31:0] master_addr; + logic [63:0] master_wdata; + logic [2:0] master_size; + logic [2:0] master_opc; + logic [7:0] master_byteen; + + // Buffer signals (one entry buffer) + logic [31:0] buf_addr; + logic [1:0] buf_size; + logic buf_write; + logic [7:0] buf_byteen; + logic buf_aligned; + logic [63:0] buf_data; + logic [TAG-1:0] buf_tag; + + //Miscellaneous signals + logic buf_rst; + logic [TAG-1:0] buf_tag_in; + logic [31:0] buf_addr_in; + logic [7:0] buf_byteen_in; + logic [63:0] buf_data_in; + logic buf_write_in; + logic buf_aligned_in; + logic [2:0] buf_size_in; + + logic buf_state_en; + logic buf_wr_en; + logic buf_data_wr_en; + logic slvbuf_error_en; + logic wr_cmd_vld; + + logic cmd_done_rst, cmd_done, cmd_doneQ; + logic trxn_done; + logic [2:0] buf_cmd_byte_ptr, buf_cmd_byte_ptrQ, buf_cmd_nxtbyte_ptr; + logic buf_cmd_byte_ptr_en; + logic found; + + logic slave_valid_pre; + logic ahb_hready_q; + logic ahb_hresp_q; + logic [1:0] ahb_htrans_q; + logic ahb_hwrite_q; + logic [63:0] ahb_hrdata_q; + + + logic slvbuf_write; + logic slvbuf_error; + logic [TAG-1:0] slvbuf_tag; + + logic slvbuf_error_in; + logic slvbuf_wr_en; + logic bypass_en; + logic rd_bypass_idle; + + logic last_addr_en; + logic [31:0] last_bus_addr; + + // Clocks + logic buf_clken; + logic ahbm_data_clken; + + logic buf_clk; + logic bus_clk; + logic ahbm_data_clk; + + logic dec_tlu_force_halt_bus, dec_tlu_force_halt_bus_ns, dec_tlu_force_halt_bus_q; + + // Function to get the length from byte enable + function automatic logic [1:0] get_write_size; + input logic [7:0] byteen; + + logic [1:0] size; + + size[1:0] = (2'b11 & {2{(byteen[7:0] == 8'hff)}}) | + (2'b10 & {2{((byteen[7:0] == 8'hf0) | (byteen[7:0] == 8'h0f))}}) | + (2'b01 & {2{((byteen[7:0] == 8'hc0) | (byteen[7:0] == 8'h30) | (byteen[7:0] == 8'h0c) | (byteen[7:0] == 8'h03))}}); + + return size[1:0]; + endfunction // get_write_size + + // Function to get the length from byte enable + function automatic logic [2:0] get_write_addr; + input logic [7:0] byteen; + + logic [2:0] addr; + + addr[2:0] = (3'h0 & {3{((byteen[7:0] == 8'hff) | (byteen[7:0] == 8'h0f) | (byteen[7:0] == 8'h03))}}) | + (3'h2 & {3{(byteen[7:0] == 8'h0c)}}) | + (3'h4 & {3{((byteen[7:0] == 8'hf0) | (byteen[7:0] == 8'h03))}}) | + (3'h6 & {3{(byteen[7:0] == 8'hc0)}}); + + return addr[2:0]; + endfunction // get_write_addr + + // Function to get the next byte pointer + function automatic logic [2:0] get_nxtbyte_ptr (logic [2:0] current_byte_ptr, logic [7:0] byteen, logic get_next); + logic [2:0] start_ptr; + logic found; + found = '0; + //get_nxtbyte_ptr[2:0] = current_byte_ptr[2:0]; + start_ptr[2:0] = get_next ? (current_byte_ptr[2:0] + 3'b1) : current_byte_ptr[2:0]; + for (int j=0; j<8; j++) begin + if (~found) begin + get_nxtbyte_ptr[2:0] = 3'(j); + found |= (byteen[j] & (3'(j) >= start_ptr[2:0])) ; + end + end + endfunction // get_nextbyte_ptr + + // Create bus synchronized version of force halt + assign dec_tlu_force_halt_bus = dec_tlu_force_halt | dec_tlu_force_halt_bus_q; + assign dec_tlu_force_halt_bus_ns = ~bus_clk_en & dec_tlu_force_halt_bus; + rvdff #(.WIDTH(1)) force_halt_busff(.din(dec_tlu_force_halt_bus_ns), .dout(dec_tlu_force_halt_bus_q), .clk(free_clk), .*); + + // Write buffer + assign wrbuf_en = axi_awvalid & axi_awready & master_ready; + assign wrbuf_data_en = axi_wvalid & axi_wready & master_ready; + assign wrbuf_cmd_sent = master_valid & master_ready & (master_opc[2:1] == 2'b01); + assign wrbuf_rst = (wrbuf_cmd_sent & ~wrbuf_en) | dec_tlu_force_halt_bus; + + assign axi_awready = ~(wrbuf_vld & ~wrbuf_cmd_sent) & master_ready; + assign axi_wready = ~(wrbuf_data_vld & ~wrbuf_cmd_sent) & master_ready; + assign axi_arready = ~(wrbuf_vld & wrbuf_data_vld) & master_ready; + assign axi_rlast = 1'b1; + + assign wr_cmd_vld = (wrbuf_vld & wrbuf_data_vld); + assign master_valid = wr_cmd_vld | axi_arvalid; + assign master_tag[TAG-1:0] = wr_cmd_vld ? wrbuf_tag[TAG-1:0] : axi_arid[TAG-1:0]; + assign master_opc[2:0] = wr_cmd_vld ? 3'b011 : 3'b0; + assign master_addr[31:0] = wr_cmd_vld ? wrbuf_addr[31:0] : axi_araddr[31:0]; + assign master_size[2:0] = wr_cmd_vld ? wrbuf_size[2:0] : axi_arsize[2:0]; + assign master_byteen[7:0] = wrbuf_byteen[7:0]; + assign master_wdata[63:0] = wrbuf_data[63:0]; + + // AXI response channel signals + assign axi_bvalid = slave_valid & slave_ready & slave_opc[3]; + assign axi_bresp[1:0] = slave_opc[0] ? 2'b10 : (slave_opc[1] ? 2'b11 : 2'b0); + assign axi_bid[TAG-1:0] = slave_tag[TAG-1:0]; + + assign axi_rvalid = slave_valid & slave_ready & (slave_opc[3:2] == 2'b0); + assign axi_rresp[1:0] = slave_opc[0] ? 2'b10 : (slave_opc[1] ? 2'b11 : 2'b0); + assign axi_rid[TAG-1:0] = slave_tag[TAG-1:0]; + assign axi_rdata[63:0] = slave_rdata[63:0]; + assign slave_ready = axi_bready & axi_rready; + + // FIFO state machine + always_comb begin + buf_nxtstate = IDLE; + buf_state_en = 1'b0; + buf_wr_en = 1'b0; + buf_data_wr_en = 1'b0; + slvbuf_error_in = 1'b0; + slvbuf_error_en = 1'b0; + buf_write_in = 1'b0; + cmd_done = 1'b0; + trxn_done = 1'b0; + buf_cmd_byte_ptr_en = 1'b0; + buf_cmd_byte_ptr[2:0] = '0; + slave_valid_pre = 1'b0; + master_ready = 1'b0; + ahb_htrans[1:0] = 2'b0; + slvbuf_wr_en = 1'b0; + bypass_en = 1'b0; + rd_bypass_idle = 1'b0; + + case (buf_state) + IDLE: begin + master_ready = 1'b1; + buf_write_in = (master_opc[2:1] == 2'b01); + buf_nxtstate = buf_write_in ? CMD_WR : CMD_RD; + buf_state_en = master_valid & master_ready; + buf_wr_en = buf_state_en; + buf_data_wr_en = buf_state_en & (buf_nxtstate == CMD_WR); + buf_cmd_byte_ptr_en = buf_state_en; + buf_cmd_byte_ptr[2:0] = buf_write_in ? get_nxtbyte_ptr(3'b0,buf_byteen_in[7:0],1'b0) : master_addr[2:0]; + bypass_en = buf_state_en; + rd_bypass_idle = bypass_en & (buf_nxtstate == CMD_RD); + ahb_htrans[1:0] = {2{bypass_en}} & 2'b10; + end + CMD_RD: begin + buf_nxtstate = (master_valid & (master_opc[2:0] == 3'b000))? STREAM_RD : DATA_RD; + buf_state_en = ahb_hready_q & (ahb_htrans_q[1:0] != 2'b0) & ~ahb_hwrite_q; + cmd_done = buf_state_en & ~master_valid; + slvbuf_wr_en = buf_state_en; + master_ready = buf_state_en & (buf_nxtstate == STREAM_RD); + buf_wr_en = master_ready; + bypass_en = master_ready & master_valid; + buf_cmd_byte_ptr[2:0] = bypass_en ? master_addr[2:0] : buf_addr[2:0]; + ahb_htrans[1:0] = 2'b10 & {2{~buf_state_en | bypass_en}}; + end + STREAM_RD: begin + master_ready = (ahb_hready_q & ~ahb_hresp_q) & ~(master_valid & master_opc[2:1] == 2'b01); + buf_wr_en = (master_valid & master_ready & (master_opc[2:0] == 3'b000)); // update the fifo if we are streaming the read commands + buf_nxtstate = ahb_hresp_q ? STREAM_ERR_RD : (buf_wr_en ? STREAM_RD : DATA_RD); // assuming that the master accpets the slave response right away. + buf_state_en = (ahb_hready_q | ahb_hresp_q); + buf_data_wr_en = buf_state_en; + slvbuf_error_in = ahb_hresp_q; + slvbuf_error_en = buf_state_en; + slave_valid_pre = buf_state_en & ~ahb_hresp_q; // send a response right away if we are not going through an error response. + cmd_done = buf_state_en & ~master_valid; // last one of the stream should not send a htrans + bypass_en = master_ready & master_valid & (buf_nxtstate == STREAM_RD) & buf_state_en; + buf_cmd_byte_ptr[2:0] = bypass_en ? master_addr[2:0] : buf_addr[2:0]; + ahb_htrans[1:0] = 2'b10 & {2{~((buf_nxtstate != STREAM_RD) & buf_state_en)}}; + slvbuf_wr_en = buf_wr_en; // shifting the contents from the buf to slv_buf for streaming cases + end // case: STREAM_RD + STREAM_ERR_RD: begin + buf_nxtstate = DATA_RD; + buf_state_en = ahb_hready_q & (ahb_htrans_q[1:0] != 2'b0) & ~ahb_hwrite_q; + slave_valid_pre = buf_state_en; + slvbuf_wr_en = buf_state_en; // Overwrite slvbuf with buffer + buf_cmd_byte_ptr[2:0] = buf_addr[2:0]; + ahb_htrans[1:0] = 2'b10 & {2{~buf_state_en}}; + end + DATA_RD: begin + buf_nxtstate = DONE; + buf_state_en = (ahb_hready_q | ahb_hresp_q); + buf_data_wr_en = buf_state_en; + slvbuf_error_in= ahb_hresp_q; + slvbuf_error_en= buf_state_en; + slvbuf_wr_en = buf_state_en; + + end + CMD_WR: begin + buf_nxtstate = DATA_WR; + trxn_done = ahb_hready_q & ahb_hwrite_q & (ahb_htrans_q[1:0] != 2'b0); + buf_state_en = trxn_done; + buf_cmd_byte_ptr_en = buf_state_en; + slvbuf_wr_en = buf_state_en; + buf_cmd_byte_ptr = trxn_done ? get_nxtbyte_ptr(buf_cmd_byte_ptrQ[2:0],buf_byteen[7:0],1'b1) : buf_cmd_byte_ptrQ; + cmd_done = trxn_done & (buf_aligned | (buf_cmd_byte_ptrQ == 3'b111) | + (buf_byteen[get_nxtbyte_ptr(buf_cmd_byte_ptrQ[2:0],buf_byteen[7:0],1'b1)] == 1'b0)); + ahb_htrans[1:0] = {2{~(cmd_done | cmd_doneQ)}} & 2'b10; + end + DATA_WR: begin + buf_state_en = (cmd_doneQ & ahb_hready_q) | ahb_hresp_q; + master_ready = buf_state_en & ~ahb_hresp_q & slave_ready; // Ready to accept new command if current command done and no error + buf_nxtstate = (ahb_hresp_q | ~slave_ready) ? DONE : + ((master_valid & master_ready) ? ((master_opc[2:1] == 2'b01) ? CMD_WR : CMD_RD) : IDLE); + slvbuf_error_in = ahb_hresp_q; + slvbuf_error_en = buf_state_en; + + buf_write_in = (master_opc[2:1] == 2'b01); + buf_wr_en = buf_state_en & ((buf_nxtstate == CMD_WR) | (buf_nxtstate == CMD_RD)); + buf_data_wr_en = buf_wr_en; + + cmd_done = (ahb_hresp_q | (ahb_hready_q & (ahb_htrans_q[1:0] != 2'b0) & + ((buf_cmd_byte_ptrQ == 3'b111) | (buf_byteen[get_nxtbyte_ptr(buf_cmd_byte_ptrQ[2:0],buf_byteen[7:0],1'b1)] == 1'b0)))); + bypass_en = buf_state_en & buf_write_in & (buf_nxtstate == CMD_WR); // Only bypass for writes for the time being + ahb_htrans[1:0] = {2{(~(cmd_done | cmd_doneQ) | bypass_en)}} & 2'b10; + slave_valid_pre = buf_state_en & (buf_nxtstate != DONE); + + trxn_done = ahb_hready_q & ahb_hwrite_q & (ahb_htrans_q[1:0] != 2'b0); + buf_cmd_byte_ptr_en = trxn_done | bypass_en; + buf_cmd_byte_ptr = bypass_en ? get_nxtbyte_ptr(3'b0,buf_byteen_in[7:0],1'b0) : + trxn_done ? get_nxtbyte_ptr(buf_cmd_byte_ptrQ[2:0],buf_byteen[7:0],1'b1) : buf_cmd_byte_ptrQ; + end + DONE: begin + buf_nxtstate = IDLE; + buf_state_en = slave_ready; + slvbuf_error_en = 1'b1; + slave_valid_pre = 1'b1; + end + endcase + end + + assign buf_rst = dec_tlu_force_halt_bus; + assign cmd_done_rst = slave_valid_pre; + assign buf_addr_in[31:3] = master_addr[31:3]; + assign buf_addr_in[2:0] = (buf_aligned_in & (master_opc[2:1] == 2'b01)) ? get_write_addr(master_byteen[7:0]) : master_addr[2:0]; + assign buf_tag_in[TAG-1:0] = master_tag[TAG-1:0]; + assign buf_byteen_in[7:0] = wrbuf_byteen[7:0]; + assign buf_data_in[63:0] = (buf_state == DATA_RD) ? ahb_hrdata_q[63:0] : master_wdata[63:0]; + assign buf_size_in[1:0] = (buf_aligned_in & (master_size[1:0] == 2'b11) & (master_opc[2:1] == 2'b01)) ? get_write_size(master_byteen[7:0]) : master_size[1:0]; + assign buf_aligned_in = (master_opc[2:0] == 3'b0) | // reads are always aligned since they are either DW or sideeffects + (master_size[1:0] == 2'b0) | (master_size[1:0] == 2'b01) | (master_size[1:0] == 2'b10) | // Always aligned for Byte/HW/Word since they can be only for non-idempotent. IFU/SB are always aligned + ((master_size[1:0] == 2'b11) & + ((master_byteen[7:0] == 8'h3) | (master_byteen[7:0] == 8'hc) | (master_byteen[7:0] == 8'h30) | (master_byteen[7:0] == 8'hc0) | + (master_byteen[7:0] == 8'hf) | (master_byteen[7:0] == 8'hf0) | (master_byteen[7:0] == 8'hff))); + + // Generate the ahb signals + assign ahb_haddr[31:3] = bypass_en ? master_addr[31:3] : buf_addr[31:3]; + assign ahb_haddr[2:0] = {3{(ahb_htrans == 2'b10)}} & buf_cmd_byte_ptr[2:0]; // Trxn should be aligned during IDLE + assign ahb_hsize[2:0] = bypass_en ? {1'b0, ({2{buf_aligned_in}} & buf_size_in[1:0])} : + {1'b0, ({2{buf_aligned}} & buf_size[1:0])}; // Send the full size for aligned trxn + assign ahb_hburst[2:0] = 3'b0; + assign ahb_hmastlock = 1'b0; + assign ahb_hprot[3:0] = {3'b001,~axi_arprot[2]}; + assign ahb_hwrite = bypass_en ? (master_opc[2:1] == 2'b01) : buf_write; + assign ahb_hwdata[63:0] = buf_data[63:0]; + + assign slave_valid = slave_valid_pre;// & (~slvbuf_posted_write | slvbuf_error); + assign slave_opc[3:2] = slvbuf_write ? 2'b11 : 2'b00; + assign slave_opc[1:0] = {2{slvbuf_error}} & 2'b10; + assign slave_rdata[63:0] = slvbuf_error ? {2{last_bus_addr[31:0]}} : ((buf_state == DONE) ? buf_data[63:0] : ahb_hrdata_q[63:0]); + assign slave_tag[TAG-1:0] = slvbuf_tag[TAG-1:0]; + + assign last_addr_en = (ahb_htrans[1:0] != 2'b0) & ahb_hready & ahb_hwrite ; + + + rvdffsc_fpga #(.WIDTH(1)) wrbuf_vldff (.din(1'b1), .dout(wrbuf_vld), .en(wrbuf_en), .clear(wrbuf_rst), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffsc_fpga #(.WIDTH(1)) wrbuf_data_vldff(.din(1'b1), .dout(wrbuf_data_vld), .en(wrbuf_data_en), .clear(wrbuf_rst), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(TAG)) wrbuf_tagff (.din(axi_awid[TAG-1:0]), .dout(wrbuf_tag[TAG-1:0]), .en(wrbuf_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(3)) wrbuf_sizeff (.din(axi_awsize[2:0]), .dout(wrbuf_size[2:0]), .en(wrbuf_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffe #(.WIDTH(32)) wrbuf_addrff (.din(axi_awaddr[31:0]), .dout(wrbuf_addr[31:0]), .en(wrbuf_en & bus_clk_en), .clk(clk), .*); + rvdffe #(.WIDTH(64)) wrbuf_dataff (.din(axi_wdata[63:0]), .dout(wrbuf_data[63:0]), .en(wrbuf_data_en & bus_clk_en), .clk(clk), .*); + rvdffs_fpga #(.WIDTH(8)) wrbuf_byteenff (.din(axi_wstrb[7:0]), .dout(wrbuf_byteen[7:0]), .en(wrbuf_data_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + + rvdffs_fpga #(.WIDTH(32)) last_bus_addrff (.din(ahb_haddr[31:0]), .dout(last_bus_addr[31:0]), .en(last_addr_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + + rvdffsc_fpga #(.WIDTH($bits(state_t))) buf_state_ff (.din(buf_nxtstate), .dout({buf_state}), .en(buf_state_en), .clear(buf_rst), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(1)) buf_writeff (.din(buf_write_in), .dout(buf_write), .en(buf_wr_en), .clk(buf_clk), .clken(buf_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(TAG)) buf_tagff (.din(buf_tag_in[TAG-1:0]), .dout(buf_tag[TAG-1:0]), .en(buf_wr_en), .clk(buf_clk), .clken(buf_clken), .rawclk(clk), .*); + rvdffe #(.WIDTH(32)) buf_addrff (.din(buf_addr_in[31:0]), .dout(buf_addr[31:0]), .en(buf_wr_en & bus_clk_en), .clk(clk), .*); + rvdffs_fpga #(.WIDTH(2)) buf_sizeff (.din(buf_size_in[1:0]), .dout(buf_size[1:0]), .en(buf_wr_en), .clk(buf_clk), .clken(buf_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(1)) buf_alignedff (.din(buf_aligned_in), .dout(buf_aligned), .en(buf_wr_en), .clk(buf_clk), .clken(buf_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(8)) buf_byteenff (.din(buf_byteen_in[7:0]), .dout(buf_byteen[7:0]), .en(buf_wr_en), .clk(buf_clk), .clken(buf_clken), .rawclk(clk), .*); + rvdffe #(.WIDTH(64)) buf_dataff (.din(buf_data_in[63:0]), .dout(buf_data[63:0]), .en(buf_data_wr_en & bus_clk_en), .clk(clk), .*); + + + rvdffs_fpga #(.WIDTH(1)) slvbuf_writeff (.din(buf_write), .dout(slvbuf_write), .en(slvbuf_wr_en), .clk(buf_clk), .clken(buf_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(TAG)) slvbuf_tagff (.din(buf_tag[TAG-1:0]), .dout(slvbuf_tag[TAG-1:0]), .en(slvbuf_wr_en), .clk(buf_clk), .clken(buf_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(1)) slvbuf_errorff (.din(slvbuf_error_in), .dout(slvbuf_error), .en(slvbuf_error_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + + rvdffsc_fpga #(.WIDTH(1)) buf_cmd_doneff (.din(1'b1), .dout(cmd_doneQ), .en(cmd_done), .clear(cmd_done_rst), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(3)) buf_cmd_byte_ptrff (.din(buf_cmd_byte_ptr[2:0]), .dout(buf_cmd_byte_ptrQ[2:0]), .en(buf_cmd_byte_ptr_en), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + + rvdff_fpga #(.WIDTH(1)) hready_ff (.din(ahb_hready), .dout(ahb_hready_q), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(2)) htrans_ff (.din(ahb_htrans[1:0]), .dout(ahb_htrans_q[1:0]), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) hwrite_ff (.din(ahb_hwrite), .dout(ahb_hwrite_q), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) hresp_ff (.din(ahb_hresp), .dout(ahb_hresp_q), .clk(bus_clk), .clken(bus_clk_en), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(64)) hrdata_ff (.din(ahb_hrdata[63:0]), .dout(ahb_hrdata_q[63:0]), .clk(ahbm_data_clk), .clken(ahbm_data_clken), .rawclk(clk), .*); + + // Clock headers + // clock enables for ahbm addr/data + assign buf_clken = bus_clk_en & (buf_wr_en | slvbuf_wr_en | clk_override); + assign ahbm_data_clken = bus_clk_en & ((buf_state != IDLE) | clk_override); + + + rvclkhdr bus_cgc (.en(bus_clk_en), .l1clk(bus_clk), .*); + rvclkhdr buf_cgc (.en(buf_clken), .l1clk(buf_clk), .*); + rvclkhdr ahbm_data_cgc (.en(ahbm_data_clken), .l1clk(ahbm_data_clk), .*); + + +endmodule // axi4_to_ahb + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** +// $Id$ +// +// Function: Top level brqrv core file to control the debug mode +// Comments: Responsible to put the rest of the core in quiesce mode, +// Send the commands/address. sends WrData and Recieve read Data. +// And then Resume the core to do the normal mode +// Author : +//******************************************************************************** +module eb1_dbg +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + // outputs to the core for command and data interface + output logic [31:0] dbg_cmd_addr, + output logic [31:0] dbg_cmd_wrdata, + output logic dbg_cmd_valid, + output logic dbg_cmd_write, // 1: write command, 0: read_command + output logic [1:0] dbg_cmd_type, // 0:gpr 1:csr 2: memory + output logic [1:0] dbg_cmd_size, // size of the abstract mem access debug command + output logic dbg_core_rst_l, // core reset from dm + + // inputs back from the core/dec + input logic [31:0] core_dbg_rddata, + input logic core_dbg_cmd_done, // This will be treated like a valid signal + input logic core_dbg_cmd_fail, // Exception during command run + + // Signals to dma to get a bubble + output logic dbg_dma_bubble, // Debug needs a bubble to send a valid + input logic dma_dbg_ready, // DMA is ready to accept debug request + + // interface with the rest of the core to halt/resume handshaking + output logic dbg_halt_req, // This is a pulse + output logic dbg_resume_req, // Debug sends a resume requests. Pulse + input logic dec_tlu_debug_mode, // Core is in debug mode + input logic dec_tlu_dbg_halted, // The core has finished the queiscing sequence. Core is halted now + input logic dec_tlu_mpc_halted_only, // Only halted due to MPC + input logic dec_tlu_resume_ack, // core sends back an ack for the resume (pulse) + + // inputs from the JTAG + input logic dmi_reg_en, // read or write + input logic [6:0] dmi_reg_addr, // address of DM register + input logic dmi_reg_wr_en, // write instruction + input logic [31:0] dmi_reg_wdata, // write data + + // output + output logic [31:0] dmi_reg_rdata, // read data + + // AXI Write Channels + output logic sb_axi_awvalid, + input logic sb_axi_awready, + output logic [pt.SB_BUS_TAG-1:0] sb_axi_awid, + output logic [31:0] sb_axi_awaddr, + output logic [3:0] sb_axi_awregion, + output logic [7:0] sb_axi_awlen, + output logic [2:0] sb_axi_awsize, + output logic [1:0] sb_axi_awburst, + output logic sb_axi_awlock, + output logic [3:0] sb_axi_awcache, + output logic [2:0] sb_axi_awprot, + output logic [3:0] sb_axi_awqos, + + output logic sb_axi_wvalid, + input logic sb_axi_wready, + output logic [63:0] sb_axi_wdata, + output logic [7:0] sb_axi_wstrb, + output logic sb_axi_wlast, + + input logic sb_axi_bvalid, + output logic sb_axi_bready, + input logic [1:0] sb_axi_bresp, + + // AXI Read Channels + output logic sb_axi_arvalid, + input logic sb_axi_arready, + output logic [pt.SB_BUS_TAG-1:0] sb_axi_arid, + output logic [31:0] sb_axi_araddr, + output logic [3:0] sb_axi_arregion, + output logic [7:0] sb_axi_arlen, + output logic [2:0] sb_axi_arsize, + output logic [1:0] sb_axi_arburst, + output logic sb_axi_arlock, + output logic [3:0] sb_axi_arcache, + output logic [2:0] sb_axi_arprot, + output logic [3:0] sb_axi_arqos, + + input logic sb_axi_rvalid, + output logic sb_axi_rready, + input logic [63:0] sb_axi_rdata, + input logic [1:0] sb_axi_rresp, + + input logic dbg_bus_clk_en, + + // general inputs + input logic clk, + input logic rst_l, // This includes both top rst and debug rst + input logic dbg_rst_l, + input logic clk_override, + input logic scan_mode +); + + + typedef enum logic [3:0] {IDLE=4'h0, HALTING=4'h1, HALTED=4'h2, CORE_CMD_START=4'h3, CORE_CMD_WAIT=4'h4, SB_CMD_START=4'h5, SB_CMD_SEND=4'h6, SB_CMD_RESP=4'h7, CMD_DONE=4'h8, RESUMING=4'h9} state_t; + typedef enum logic [3:0] {SBIDLE=4'h0, WAIT_RD=4'h1, WAIT_WR=4'h2, CMD_RD=4'h3, CMD_WR=4'h4, CMD_WR_ADDR=4'h5, CMD_WR_DATA=4'h6, RSP_RD=4'h7, RSP_WR=4'h8, DONE=4'h9} sb_state_t; + + state_t dbg_state; + state_t dbg_nxtstate; + logic dbg_state_en; + // these are the registers that the debug module implements + logic [31:0] dmstatus_reg; // [26:24]-dmerr, [17:16]-resume ack, [9:8]-halted, [3:0]-version + logic [31:0] dmcontrol_reg; // dmcontrol register has only 6 bits implemented. 31: haltreq, 30: resumereq, 29: haltreset, 28: ackhavereset, 1: ndmreset, 0: dmactive. + logic [31:0] command_reg; + logic [31:0] abstractcs_reg; // bits implemted are [12] - busy and [10:8]= command error + logic [31:0] haltsum0_reg; + logic [31:0] data0_reg; + logic [31:0] data1_reg; + + // data 0 + logic [31:0] data0_din; + logic data0_reg_wren, data0_reg_wren0, data0_reg_wren1, data0_reg_wren2; + // data 1 + logic [31:0] data1_din; + logic data1_reg_wren, data1_reg_wren0, data1_reg_wren1; + // abstractcs + logic abstractcs_busy_wren; + logic abstractcs_busy_din; + logic [2:0] abstractcs_error_din; + logic abstractcs_error_sel0, abstractcs_error_sel1, abstractcs_error_seb1, abstractcs_error_sel3, abstractcs_error_sel4, abstractcs_error_sel5, abstractcs_error_sel6; + logic dbg_sb_bus_error; + // abstractauto + logic abstractauto_reg_wren; + logic [1:0] abstractauto_reg; + + // dmstatus + logic dmstatus_resumeack_wren; + logic dmstatus_resumeack_din; + logic dmstatus_haveresetn_wren; + logic dmstatus_resumeack; + logic dmstatus_unavail; + logic dmstatus_running; + logic dmstatus_halted; + logic dmstatus_havereset, dmstatus_haveresetn; + + // dmcontrol + logic resumereq; + logic dmcontrol_wren, dmcontrol_wren_Q; + // command + logic execute_command_ns, execute_command; + logic command_wren, command_regno_wren; + logic command_transfer_din; + logic command_postexec_din; + logic [31:0] command_din; + logic [3:0] dbg_cmd_addr_incr; + logic [31:0] dbg_cmd_curr_addr; + logic [31:0] dbg_cmd_next_addr; + + // needed to send the read data back for dmi reads + logic [31:0] dmi_reg_rdata_din; + + sb_state_t sb_state; + sb_state_t sb_nxtstate; + logic sb_state_en; + + //System bus section + logic sbcs_wren; + logic sbcs_sbbusy_wren; + logic sbcs_sbbusy_din; + logic sbcs_sbbusyerror_wren; + logic sbcs_sbbusyerror_din; + + logic sbcs_sberror_wren; + logic [2:0] sbcs_sberror_din; + logic sbcs_unaligned; + logic sbcs_illegal_size; + logic [19:15] sbcs_reg_int; + + // data + logic sbdata0_reg_wren0; + logic sbdata0_reg_wren1; + logic sbdata0_reg_wren; + logic [31:0] sbdata0_din; + + logic sbdata1_reg_wren0; + logic sbdata1_reg_wren1; + logic sbdata1_reg_wren; + logic [31:0] sbdata1_din; + + logic sbaddress0_reg_wren0; + logic sbaddress0_reg_wren1; + logic sbaddress0_reg_wren; + logic [31:0] sbaddress0_reg_din; + logic [3:0] sbaddress0_incr; + logic sbreadonaddr_access; + logic sbreadondata_access; + logic sbdata0wr_access; + + logic sb_abmem_cmd_done_in, sb_abmem_data_done_in; + logic sb_abmem_cmd_done_en, sb_abmem_data_done_en; + logic sb_abmem_cmd_done, sb_abmem_data_done; + logic [31:0] abmem_addr; + logic abmem_addr_in_dccm_region, abmem_addr_in_iccm_region, abmem_addr_in_pic_region; + logic abmem_addr_core_local; + logic abmem_addr_external; + + logic sb_cmd_pending, sb_abmem_cmd_pending; + logic sb_abmem_cmd_write; + logic [2:0] sb_abmem_cmd_size; + logic [31:0] sb_abmem_cmd_addr; + logic [31:0] sb_abmem_cmd_wdata; + + logic [2:0] sb_cmd_size; + logic [31:0] sb_cmd_addr; + logic [63:0] sb_cmd_wdata; + + logic sb_bus_cmd_read, sb_bus_cmd_write_addr, sb_bus_cmd_write_data; + logic sb_bus_rsp_read, sb_bus_rsp_write; + logic sb_bus_rsp_error; + logic [63:0] sb_bus_rdata; + + //registers + logic [31:0] sbcs_reg; + logic [31:0] sbaddress0_reg; + logic [31:0] sbdata0_reg; + logic [31:0] sbdata1_reg; + + logic sb_abmem_cmd_arvalid, sb_abmem_cmd_awvalid, sb_abmem_cmd_wvalid; + logic sb_abmem_read_pend; + logic sb_cmd_awvalid, sb_cmd_wvalid, sb_cmd_arvalid; + logic sb_read_pend; + logic [31:0] sb_axi_addr; + logic [63:0] sb_axi_wrdata; + logic [2:0] sb_axi_size; + + logic dbg_dm_rst_l; + + //clken + logic dbg_free_clken; + logic dbg_free_clk; + + logic sb_free_clken; + logic sb_free_clk; + + // clocking + // used for the abstract commands. + assign dbg_free_clken = dmi_reg_en | execute_command | (dbg_state != IDLE) | dbg_state_en | dec_tlu_dbg_halted | dec_tlu_mpc_halted_only | dec_tlu_debug_mode | dbg_halt_req | clk_override; + + // used for the system bus + assign sb_free_clken = dmi_reg_en | execute_command | sb_state_en | (sb_state != SBIDLE) | clk_override; + + rvoclkhdr dbg_free_cgc (.en(dbg_free_clken), .l1clk(dbg_free_clk), .*); + rvoclkhdr sb_free_cgc (.en(sb_free_clken), .l1clk(sb_free_clk), .*); + + // end clocking section + + // Reset logic + assign dbg_dm_rst_l = dbg_rst_l & (dmcontrol_reg[0] | scan_mode); + assign dbg_core_rst_l = ~dmcontrol_reg[1] | scan_mode; + + // system bus register + // sbcs[31:29], sbcs - [22]:sbbusyerror, [21]: sbbusy, [20]:sbreadonaddr, [19:17]:sbaccess, [16]:sbautoincrement, [15]:sbreadondata, [14:12]:sberror, sbsize=32, 128=0, 64/32/16/8 are legal + assign sbcs_reg[31:29] = 3'b1; + assign sbcs_reg[28:23] = '0; + assign sbcs_reg[19:15] = {sbcs_reg_int[19], ~sbcs_reg_int[18], sbcs_reg_int[17:15]}; + assign sbcs_reg[11:5] = 7'h20; + assign sbcs_reg[4:0] = 5'b01111; + assign sbcs_wren = (dmi_reg_addr == 7'h38) & dmi_reg_en & dmi_reg_wr_en & (sb_state == SBIDLE); + assign sbcs_sbbusyerror_wren = (sbcs_wren & dmi_reg_wdata[22]) | + (sbcs_reg[21] & dmi_reg_en & ((dmi_reg_wr_en & (dmi_reg_addr == 7'h39)) | (dmi_reg_addr == 7'h3c) | (dmi_reg_addr == 7'h3d))); + assign sbcs_sbbusyerror_din = ~(sbcs_wren & dmi_reg_wdata[22]); // Clear when writing one + + rvdffs #(1) sbcs_sbbusyerror_reg (.din(sbcs_sbbusyerror_din), .dout(sbcs_reg[22]), .en(sbcs_sbbusyerror_wren), .rst_l(dbg_dm_rst_l), .clk(sb_free_clk)); + rvdffs #(1) sbcs_sbbusy_reg (.din(sbcs_sbbusy_din), .dout(sbcs_reg[21]), .en(sbcs_sbbusy_wren), .rst_l(dbg_dm_rst_l), .clk(sb_free_clk)); + rvdffs #(1) sbcs_sbreadonaddr_reg (.din(dmi_reg_wdata[20]), .dout(sbcs_reg[20]), .en(sbcs_wren), .rst_l(dbg_dm_rst_l), .clk(sb_free_clk)); + rvdffs #(5) sbcs_misc_reg (.din({dmi_reg_wdata[19],~dmi_reg_wdata[18],dmi_reg_wdata[17:15]}), + .dout(sbcs_reg_int[19:15]), .en(sbcs_wren), .rst_l(dbg_dm_rst_l), .clk(sb_free_clk)); + rvdffs #(3) sbcs_error_reg (.din(sbcs_sberror_din[2:0]), .dout(sbcs_reg[14:12]), .en(sbcs_sberror_wren), .rst_l(dbg_dm_rst_l), .clk(sb_free_clk)); + + assign sbcs_unaligned = ((sbcs_reg[19:17] == 3'b001) & sbaddress0_reg[0]) | + ((sbcs_reg[19:17] == 3'b010) & (|sbaddress0_reg[1:0])) | + ((sbcs_reg[19:17] == 3'b011) & (|sbaddress0_reg[2:0])); + + assign sbcs_illegal_size = sbcs_reg[19]; // Anything bigger than 64 bits is illegal + + assign sbaddress0_incr[3:0] = ({4{(sbcs_reg[19:17] == 3'h0)}} & 4'b0001) | + ({4{(sbcs_reg[19:17] == 3'h1)}} & 4'b0010) | + ({4{(sbcs_reg[19:17] == 3'h2)}} & 4'b0100) | + ({4{(sbcs_reg[19:17] == 3'h3)}} & 4'b1000); + + // sbdata + assign sbdata0_reg_wren0 = dmi_reg_en & dmi_reg_wr_en & (dmi_reg_addr == 7'h3c); // write data only when single read is 0 + assign sbdata0_reg_wren1 = (sb_state == RSP_RD) & sb_state_en & ~sbcs_sberror_wren; + assign sbdata0_reg_wren = sbdata0_reg_wren0 | sbdata0_reg_wren1; + + assign sbdata1_reg_wren0 = dmi_reg_en & dmi_reg_wr_en & (dmi_reg_addr == 7'h3d); // write data only when single read is 0; + assign sbdata1_reg_wren1 = (sb_state == RSP_RD) & sb_state_en & ~sbcs_sberror_wren; + assign sbdata1_reg_wren = sbdata1_reg_wren0 | sbdata1_reg_wren1; + + assign sbdata0_din[31:0] = ({32{sbdata0_reg_wren0}} & dmi_reg_wdata[31:0]) | + ({32{sbdata0_reg_wren1}} & sb_bus_rdata[31:0]); + assign sbdata1_din[31:0] = ({32{sbdata1_reg_wren0}} & dmi_reg_wdata[31:0]) | + ({32{sbdata1_reg_wren1}} & sb_bus_rdata[63:32]); + + rvdffe #(32) dbg_sbdata0_reg (.*, .din(sbdata0_din[31:0]), .dout(sbdata0_reg[31:0]), .en(sbdata0_reg_wren), .rst_l(dbg_dm_rst_l)); + rvdffe #(32) dbg_sbdata1_reg (.*, .din(sbdata1_din[31:0]), .dout(sbdata1_reg[31:0]), .en(sbdata1_reg_wren), .rst_l(dbg_dm_rst_l)); + + // sbaddress + assign sbaddress0_reg_wren0 = dmi_reg_en & dmi_reg_wr_en & (dmi_reg_addr == 7'h39); + assign sbaddress0_reg_wren = sbaddress0_reg_wren0 | sbaddress0_reg_wren1; + assign sbaddress0_reg_din[31:0]= ({32{sbaddress0_reg_wren0}} & dmi_reg_wdata[31:0]) | + ({32{sbaddress0_reg_wren1}} & (sbaddress0_reg[31:0] + {28'b0,sbaddress0_incr[3:0]})); + rvdffe #(32) dbg_sbaddress0_reg (.*, .din(sbaddress0_reg_din[31:0]), .dout(sbaddress0_reg[31:0]), .en(sbaddress0_reg_wren), .rst_l(dbg_dm_rst_l)); + + assign sbreadonaddr_access = dmi_reg_en & dmi_reg_wr_en & (dmi_reg_addr == 7'h39) & sbcs_reg[20]; // if readonaddr is set the next command will start upon writing of addr0 + assign sbreadondata_access = dmi_reg_en & ~dmi_reg_wr_en & (dmi_reg_addr == 7'h3c) & sbcs_reg[15]; // if readondata is set the next command will start upon reading of data0 + assign sbdata0wr_access = dmi_reg_en & dmi_reg_wr_en & (dmi_reg_addr == 7'h3c); // write to sbdata0 will start write command to system bus + + // memory mapped registers + // dmcontrol register has only 5 bits implemented. 31: haltreq, 30: resumereq, 28: ackhavereset, 1: ndmreset, 0: dmactive. + // rest all the bits are zeroed out + // dmactive flop is reset based on core rst_l, all other flops use dm_rst_l + assign dmcontrol_wren = (dmi_reg_addr == 7'h10) & dmi_reg_en & dmi_reg_wr_en; + assign dmcontrol_reg[29] = '0; + assign dmcontrol_reg[27:2] = '0; + assign resumereq = dmcontrol_reg[30] & ~dmcontrol_reg[31] & dmcontrol_wren_Q; + rvdffs #(4) dmcontrolff (.din({dmi_reg_wdata[31:30],dmi_reg_wdata[28],dmi_reg_wdata[1]}), .dout({dmcontrol_reg[31:30], dmcontrol_reg[28], dmcontrol_reg[1]}), .en(dmcontrol_wren), .rst_l(dbg_dm_rst_l), .clk(dbg_free_clk)); + rvdffs #(1) dmcontrol_dmactive_ff (.din(dmi_reg_wdata[0]), .dout(dmcontrol_reg[0]), .en(dmcontrol_wren), .rst_l(dbg_rst_l), .clk(dbg_free_clk)); + rvdff #(1) dmcontrol_wrenff(.din(dmcontrol_wren), .dout(dmcontrol_wren_Q), .rst_l(dbg_dm_rst_l), .clk(dbg_free_clk)); + + // dmstatus register bits that are implemented + // [19:18]-havereset,[17:16]-resume ack, [9:8]-halted, [3:0]-version + // rest all the bits are zeroed out + //assign dmstatus_wren = (dmi_reg_addr[31:0] == 32'h11) & dmi_reg_en; + assign dmstatus_reg[31:20] = '0; + assign dmstatus_reg[19:18] = {2{dmstatus_havereset}}; + assign dmstatus_reg[15:14] = '0; + assign dmstatus_reg[7] = '1; + assign dmstatus_reg[6:4] = '0; + assign dmstatus_reg[17:16] = {2{dmstatus_resumeack}}; + assign dmstatus_reg[13:12] = {2{dmstatus_unavail}}; + assign dmstatus_reg[11:10] = {2{dmstatus_running}}; + assign dmstatus_reg[9:8] = {2{dmstatus_halted}}; + assign dmstatus_reg[3:0] = 4'h2; + + assign dmstatus_resumeack_wren = ((dbg_state == RESUMING) & dec_tlu_resume_ack) | (dmstatus_resumeack & resumereq & dmstatus_halted); + assign dmstatus_resumeack_din = (dbg_state == RESUMING) & dec_tlu_resume_ack; + + assign dmstatus_haveresetn_wren = (dmi_reg_addr == 7'h10) & dmi_reg_wdata[28] & dmi_reg_en & dmi_reg_wr_en & dmcontrol_reg[0]; // clear the havereset + assign dmstatus_havereset = ~dmstatus_haveresetn; + + assign dmstatus_unavail = dmcontrol_reg[1] | ~rst_l; + assign dmstatus_running = ~(dmstatus_unavail | dmstatus_halted); + + rvdffs #(1) dmstatus_resumeack_reg (.din(dmstatus_resumeack_din), .dout(dmstatus_resumeack), .en(dmstatus_resumeack_wren), .rst_l(dbg_dm_rst_l), .clk(dbg_free_clk)); + rvdff #(1) dmstatus_halted_reg (.din(dec_tlu_dbg_halted & ~dec_tlu_mpc_halted_only), .dout(dmstatus_halted), .rst_l(dbg_dm_rst_l), .clk(dbg_free_clk)); + rvdffs #(1) dmstatus_haveresetn_reg (.din(1'b1), .dout(dmstatus_haveresetn), .en(dmstatus_haveresetn_wren), .rst_l(rst_l), .clk(dbg_free_clk)); + + // haltsum0 register + assign haltsum0_reg[31:1] = '0; + assign haltsum0_reg[0] = dmstatus_halted; + + // abstractcs register + // bits implemted are [12] - busy and [10:8]= command error + assign abstractcs_reg[31:13] = '0; + assign abstractcs_reg[11] = '0; + assign abstractcs_reg[7:4] = '0; + assign abstractcs_reg[3:0] = 4'h2; // One data register + + assign abstractcs_error_sel0 = abstractcs_reg[12] & ~(|abstractcs_reg[10:8]) & dmi_reg_en & ((dmi_reg_wr_en & ((dmi_reg_addr == 7'h16) | (dmi_reg_addr == 7'h17)) | (dmi_reg_addr == 7'h18)) | + (dmi_reg_addr == 7'h4) | (dmi_reg_addr == 7'h5)); + assign abstractcs_error_sel1 = execute_command & ~(|abstractcs_reg[10:8]) & + ((~((command_reg[31:24] == 8'b0) | (command_reg[31:24] == 8'h2))) | // Illegal command + (((command_reg[22:20] == 3'b011) | (command_reg[22])) & (command_reg[31:24] == 8'h2)) | // Illegal abstract memory size (can't be DW or higher) + ((command_reg[22:20] != 3'b010) & ((command_reg[31:24] == 8'h0) & command_reg[17])) | // Illegal abstract reg size + ((command_reg[31:24] == 8'h0) & command_reg[18])); //postexec for abstract register access + assign abstractcs_error_seb1 = ((core_dbg_cmd_done & core_dbg_cmd_fail) | // exception from core + (execute_command & (command_reg[31:24] == 8'h0) & // unimplemented regs + (((command_reg[15:12] == 4'h1) & (command_reg[11:5] != 0)) | (command_reg[15:13] != 0)))) & ~(|abstractcs_reg[10:8]); + assign abstractcs_error_sel3 = execute_command & (dbg_state != HALTED) & ~(|abstractcs_reg[10:8]); + assign abstractcs_error_sel4 = dbg_sb_bus_error & dbg_bus_clk_en & ~(|abstractcs_reg[10:8]);// sb bus error for abstract memory command + assign abstractcs_error_sel5 = execute_command & (command_reg[31:24] == 8'h2) & ~(|abstractcs_reg[10:8]) & + (((command_reg[22:20] == 3'b001) & data1_reg[0]) | ((command_reg[22:20] == 3'b010) & (|data1_reg[1:0]))); //Unaligned address for abstract memory + assign abstractcs_error_sel6 = (dmi_reg_addr == 7'h16) & dmi_reg_en & dmi_reg_wr_en; + + assign abstractcs_error_din[2:0] = abstractcs_error_sel0 ? 3'b001 : // writing command or abstractcs while a command was executing. Or accessing data0 + abstractcs_error_sel1 ? 3'b010 : // writing a illegal command type to cmd field of command + abstractcs_error_seb1 ? 3'b011 : // exception while running command + abstractcs_error_sel3 ? 3'b100 : // writing a comnand when not in the halted state + abstractcs_error_sel4 ? 3'b101 : // Bus error + abstractcs_error_sel5 ? 3'b111 : // unaligned or illegal size abstract memory command + abstractcs_error_sel6 ? (~dmi_reg_wdata[10:8] & abstractcs_reg[10:8]) : //W1C + abstractcs_reg[10:8]; //hold + + rvdffs #(1) dmabstractcs_busy_reg (.din(abstractcs_busy_din), .dout(abstractcs_reg[12]), .en(abstractcs_busy_wren), .rst_l(dbg_dm_rst_l), .clk(dbg_free_clk)); + rvdff #(3) dmabstractcs_error_reg (.din(abstractcs_error_din[2:0]), .dout(abstractcs_reg[10:8]), .rst_l(dbg_dm_rst_l), .clk(dbg_free_clk)); + + // abstract auto reg + assign abstractauto_reg_wren = dmi_reg_en & dmi_reg_wr_en & (dmi_reg_addr == 7'h18) & ~abstractcs_reg[12]; + rvdffs #(2) dbg_abstractauto_reg (.*, .din(dmi_reg_wdata[1:0]), .dout(abstractauto_reg[1:0]), .en(abstractauto_reg_wren), .rst_l(dbg_dm_rst_l), .clk(dbg_free_clk)); + + // command register - implemented all the bits in this register + // command[16] = 1: write, 0: read + assign execute_command_ns = command_wren | + (dmi_reg_en & ~abstractcs_reg[12] & (((dmi_reg_addr == 7'h4) & abstractauto_reg[0]) | ((dmi_reg_addr == 7'h5) & abstractauto_reg[1]))); + assign command_wren = (dmi_reg_addr == 7'h17) & dmi_reg_en & dmi_reg_wr_en; + assign command_regno_wren = command_wren | ((command_reg[31:24] == 8'h0) & command_reg[19] & (dbg_state == CMD_DONE) & ~(|abstractcs_reg[10:8])); // aarpostincrement + assign command_postexec_din = (dmi_reg_wdata[31:24] == 8'h0) & dmi_reg_wdata[18]; + assign command_transfer_din = (dmi_reg_wdata[31:24] == 8'h0) & dmi_reg_wdata[17]; + assign command_din[31:16] = {dmi_reg_wdata[31:24],1'b0,dmi_reg_wdata[22:19],command_postexec_din,command_transfer_din, dmi_reg_wdata[16]}; + assign command_din[15:0] = command_wren ? dmi_reg_wdata[15:0] : dbg_cmd_next_addr[15:0]; + rvdff #(1) execute_commandff (.*, .din(execute_command_ns), .dout(execute_command), .clk(dbg_free_clk), .rst_l(dbg_dm_rst_l)); + rvdffe #(16) dmcommand_reg (.*, .din(command_din[31:16]), .dout(command_reg[31:16]), .en(command_wren), .rst_l(dbg_dm_rst_l)); + rvdffe #(16) dmcommand_regno_reg (.*, .din(command_din[15:0]), .dout(command_reg[15:0]), .en(command_regno_wren), .rst_l(dbg_dm_rst_l)); + + // data0 reg + assign data0_reg_wren0 = (dmi_reg_en & dmi_reg_wr_en & (dmi_reg_addr == 7'h4) & (dbg_state == HALTED) & ~abstractcs_reg[12]); + assign data0_reg_wren1 = core_dbg_cmd_done & (dbg_state == CORE_CMD_WAIT) & ~command_reg[16]; + assign data0_reg_wren = data0_reg_wren0 | data0_reg_wren1 | data0_reg_wren2; + + assign data0_din[31:0] = ({32{data0_reg_wren0}} & dmi_reg_wdata[31:0]) | + ({32{data0_reg_wren1}} & core_dbg_rddata[31:0]) | + ({32{data0_reg_wren2}} & sb_bus_rdata[31:0]); + + rvdffe #(32) dbg_data0_reg (.*, .din(data0_din[31:0]), .dout(data0_reg[31:0]), .en(data0_reg_wren), .rst_l(dbg_dm_rst_l)); + + // data 1 + assign data1_reg_wren0 = (dmi_reg_en & dmi_reg_wr_en & (dmi_reg_addr == 7'h5) & (dbg_state == HALTED) & ~abstractcs_reg[12]); + assign data1_reg_wren1 = (dbg_state == CMD_DONE) & (command_reg[31:24] == 8'h2) & command_reg[19] & ~(|abstractcs_reg[10:8]); // aampostincrement + assign data1_reg_wren = data1_reg_wren0 | data1_reg_wren1; + + assign data1_din[31:0] = ({32{data1_reg_wren0}} & dmi_reg_wdata[31:0]) | + ({32{data1_reg_wren1}} & dbg_cmd_next_addr[31:0]); + + rvdffe #(32) dbg_data1_reg (.*, .din(data1_din[31:0]), .dout(data1_reg[31:0]), .en(data1_reg_wren), .rst_l(dbg_dm_rst_l)); + + rvdffs #(1) sb_abmem_cmd_doneff (.din(sb_abmem_cmd_done_in), .dout(sb_abmem_cmd_done), .en(sb_abmem_cmd_done_en), .clk(dbg_free_clk), .rst_l(dbg_dm_rst_l), .*); + rvdffs #(1) sb_abmem_data_doneff (.din(sb_abmem_data_done_in), .dout(sb_abmem_data_done), .en(sb_abmem_data_done_en), .clk(dbg_free_clk), .rst_l(dbg_dm_rst_l), .*); + + // FSM to control the debug mode entry, command send/recieve, and Resume flow. + always_comb begin + dbg_nxtstate = IDLE; + dbg_state_en = 1'b0; + abstractcs_busy_wren = 1'b0; + abstractcs_busy_din = 1'b0; + dbg_halt_req = dmcontrol_wren_Q & dmcontrol_reg[31]; // single pulse output to the core. Need to drive every time this register is written since core might be halted due to MPC + dbg_resume_req = 1'b0; // single pulse output to the core + dbg_sb_bus_error = 1'b0; + data0_reg_wren2 = 1'b0; + sb_abmem_cmd_done_in = 1'b0; + sb_abmem_data_done_in = 1'b0; + sb_abmem_cmd_done_en = 1'b0; + sb_abmem_data_done_en = 1'b0; + + case (dbg_state) + IDLE: begin + dbg_nxtstate = (dmstatus_reg[9] | dec_tlu_mpc_halted_only) ? HALTED : HALTING; // initiate the halt command to the core + dbg_state_en = dmcontrol_reg[31] | dmstatus_reg[9] | dec_tlu_mpc_halted_only; // when the jtag writes the halt bit in the DM register, OR when the status indicates H + dbg_halt_req = dmcontrol_reg[31]; // only when jtag has written the halt_req bit in the control. Removed debug mode qualification during MPC changes + end + HALTING : begin + dbg_nxtstate = HALTED; // Goto HALTED once the core sends an ACK + dbg_state_en = dmstatus_reg[9] | dec_tlu_mpc_halted_only; // core indicates halted + end + HALTED: begin + // wait for halted to go away before send to resume. Else start of new command + dbg_nxtstate = dmstatus_reg[9] ? (resumereq ? RESUMING : (((command_reg[31:24] == 8'h2) & abmem_addr_external) ? SB_CMD_START : CORE_CMD_START)) : + (dmcontrol_reg[31] ? HALTING : IDLE); // This is MPC halted case + dbg_state_en = (dmstatus_reg[9] & resumereq) | execute_command | ~(dmstatus_reg[9] | dec_tlu_mpc_halted_only); + abstractcs_busy_wren = dbg_state_en & ((dbg_nxtstate == CORE_CMD_START) | (dbg_nxtstate == SB_CMD_START)); // write busy when a new command was written by jtag + abstractcs_busy_din = 1'b1; + dbg_resume_req = dbg_state_en & (dbg_nxtstate == RESUMING); // single cycle pulse to core if resuming + end + CORE_CMD_START: begin + // Don't execute the command if cmderror or transfer=0 for abstract register access + dbg_nxtstate = ((|abstractcs_reg[10:8]) | ((command_reg[31:24] == 8'h0) & ~command_reg[17])) ? CMD_DONE : CORE_CMD_WAIT; // new command sent to the core + dbg_state_en = dbg_cmd_valid | (|abstractcs_reg[10:8]) | ((command_reg[31:24] == 8'h0) & ~command_reg[17]); + end + CORE_CMD_WAIT: begin + dbg_nxtstate = CMD_DONE; + dbg_state_en = core_dbg_cmd_done; // go to done state for one cycle after completing current command + end + SB_CMD_START: begin + dbg_nxtstate = (|abstractcs_reg[10:8]) ? CMD_DONE : SB_CMD_SEND; + dbg_state_en = (dbg_bus_clk_en & ~sb_cmd_pending) | (|abstractcs_reg[10:8]); + end + SB_CMD_SEND: begin + sb_abmem_cmd_done_in = 1'b1; + sb_abmem_data_done_in= 1'b1; + sb_abmem_cmd_done_en = (sb_bus_cmd_read | sb_bus_cmd_write_addr) & dbg_bus_clk_en; + sb_abmem_data_done_en= (sb_bus_cmd_read | sb_bus_cmd_write_data) & dbg_bus_clk_en; + dbg_nxtstate = SB_CMD_RESP; + dbg_state_en = (sb_abmem_cmd_done | sb_abmem_cmd_done_en) & (sb_abmem_data_done | sb_abmem_data_done_en) & dbg_bus_clk_en; + end + SB_CMD_RESP: begin + dbg_nxtstate = CMD_DONE; + dbg_state_en = (sb_bus_rsp_read | sb_bus_rsp_write) & dbg_bus_clk_en; + dbg_sb_bus_error = (sb_bus_rsp_read | sb_bus_rsp_write) & sb_bus_rsp_error & dbg_bus_clk_en; + data0_reg_wren2 = dbg_state_en & ~sb_abmem_cmd_write & ~dbg_sb_bus_error; + end + CMD_DONE: begin + dbg_nxtstate = HALTED; + dbg_state_en = 1'b1; + abstractcs_busy_wren = dbg_state_en; // remove the busy bit from the abstracts ( bit 12 ) + abstractcs_busy_din = 1'b0; + sb_abmem_cmd_done_in = 1'b0; + sb_abmem_data_done_in= 1'b0; + sb_abmem_cmd_done_en = 1'b1; + sb_abmem_data_done_en= 1'b1; + end + RESUMING : begin + dbg_nxtstate = IDLE; + dbg_state_en = dmstatus_reg[17]; // resume ack has been updated in the dmstatus register + end + default : begin + dbg_nxtstate = IDLE; + dbg_state_en = 1'b0; + abstractcs_busy_wren = 1'b0; + abstractcs_busy_din = 1'b0; + dbg_halt_req = 1'b0; // single pulse output to the core + dbg_resume_req = 1'b0; // single pulse output to the core + dbg_sb_bus_error = 1'b0; + data0_reg_wren2 = 1'b0; + sb_abmem_cmd_done_in = 1'b0; + sb_abmem_data_done_in = 1'b0; + sb_abmem_cmd_done_en = 1'b0; + sb_abmem_data_done_en = 1'b0; + end + endcase + end // always_comb begin + + assign dmi_reg_rdata_din[31:0] = ({32{dmi_reg_addr == 7'h4}} & data0_reg[31:0]) | + ({32{dmi_reg_addr == 7'h5}} & data1_reg[31:0]) | + ({32{dmi_reg_addr == 7'h10}} & {2'b0,dmcontrol_reg[29],1'b0,dmcontrol_reg[27:0]}) | // Read0 to Write only bits + ({32{dmi_reg_addr == 7'h11}} & dmstatus_reg[31:0]) | + ({32{dmi_reg_addr == 7'h16}} & abstractcs_reg[31:0]) | + ({32{dmi_reg_addr == 7'h17}} & command_reg[31:0]) | + ({32{dmi_reg_addr == 7'h18}} & {30'h0,abstractauto_reg[1:0]}) | + ({32{dmi_reg_addr == 7'h40}} & haltsum0_reg[31:0]) | + ({32{dmi_reg_addr == 7'h38}} & sbcs_reg[31:0]) | + ({32{dmi_reg_addr == 7'h39}} & sbaddress0_reg[31:0]) | + ({32{dmi_reg_addr == 7'h3c}} & sbdata0_reg[31:0]) | + ({32{dmi_reg_addr == 7'h3d}} & sbdata1_reg[31:0]); + + + rvdffs #($bits(state_t)) dbg_state_reg (.din(dbg_nxtstate), .dout({dbg_state}), .en(dbg_state_en), .rst_l(dbg_dm_rst_l & rst_l), .clk(dbg_free_clk)); + rvdffe #(32) dmi_rddata_reg (.din(dmi_reg_rdata_din[31:0]), .dout(dmi_reg_rdata[31:0]), .en(dmi_reg_en), .rst_l(dbg_dm_rst_l), .clk(clk), .*); + + assign abmem_addr[31:0] = data1_reg[31:0]; + assign abmem_addr_core_local = (abmem_addr_in_dccm_region | abmem_addr_in_iccm_region | abmem_addr_in_pic_region); + assign abmem_addr_external = ~abmem_addr_core_local; + + assign abmem_addr_in_dccm_region = (abmem_addr[31:28] == pt.DCCM_REGION) & pt.DCCM_ENABLE; + assign abmem_addr_in_iccm_region = (abmem_addr[31:28] == pt.ICCM_REGION) & pt.ICCM_ENABLE; + assign abmem_addr_in_pic_region = (abmem_addr[31:28] == pt.PIC_REGION); + + // interface for the core + assign dbg_cmd_addr[31:0] = (command_reg[31:24] == 8'h2) ? data1_reg[31:0] : {20'b0, command_reg[11:0]}; + assign dbg_cmd_wrdata[31:0] = data0_reg[31:0]; + assign dbg_cmd_valid = (dbg_state == CORE_CMD_START) & ~((|abstractcs_reg[10:8]) | ((command_reg[31:24] == 8'h0) & ~command_reg[17]) | ((command_reg[31:24] == 8'h2) & abmem_addr_external)) & dma_dbg_ready; + assign dbg_cmd_write = command_reg[16]; + assign dbg_cmd_type[1:0] = (command_reg[31:24] == 8'h2) ? 2'b10 : {1'b0, (command_reg[15:12] == 4'b0)}; + assign dbg_cmd_size[1:0] = command_reg[21:20]; + + assign dbg_cmd_addr_incr[3:0] = (command_reg[31:24] == 8'h2) ? (4'h1 << sb_abmem_cmd_size[1:0]) : 4'h1; + assign dbg_cmd_curr_addr[31:0] = (command_reg[31:24] == 8'h2) ? data1_reg[31:0] : {16'b0, command_reg[15:0]}; + assign dbg_cmd_next_addr[31:0] = dbg_cmd_curr_addr[31:0] + {28'h0,dbg_cmd_addr_incr[3:0]}; + + // Ask DMA to stop taking bus trxns since debug request is done + assign dbg_dma_bubble = ((dbg_state == CORE_CMD_START) & ~(|abstractcs_reg[10:8])) | (dbg_state == CORE_CMD_WAIT); + + assign sb_cmd_pending = (sb_state == CMD_RD) | (sb_state == CMD_WR) | (sb_state == CMD_WR_ADDR) | (sb_state == CMD_WR_DATA) | (sb_state == RSP_RD) | (sb_state == RSP_WR); + assign sb_abmem_cmd_pending = (dbg_state == SB_CMD_START) | (dbg_state == SB_CMD_SEND) | (dbg_state== SB_CMD_RESP); + + + // system bus FSM + always_comb begin + sb_nxtstate = SBIDLE; + sb_state_en = 1'b0; + sbcs_sbbusy_wren = 1'b0; + sbcs_sbbusy_din = 1'b0; + sbcs_sberror_wren = 1'b0; + sbcs_sberror_din[2:0] = 3'b0; + sbaddress0_reg_wren1 = 1'b0; + case (sb_state) + SBIDLE: begin + sb_nxtstate = sbdata0wr_access ? WAIT_WR : WAIT_RD; + sb_state_en = (sbdata0wr_access | sbreadondata_access | sbreadonaddr_access) & ~(|sbcs_reg[14:12]) & ~sbcs_reg[22]; + sbcs_sbbusy_wren = sb_state_en; // set the single read bit if it is a singlread command + sbcs_sbbusy_din = 1'b1; + sbcs_sberror_wren = sbcs_wren & (|dmi_reg_wdata[14:12]); // write to clear the error bits + sbcs_sberror_din[2:0] = ~dmi_reg_wdata[14:12] & sbcs_reg[14:12]; + end + WAIT_RD: begin + sb_nxtstate = (sbcs_unaligned | sbcs_illegal_size) ? DONE : CMD_RD; + sb_state_en = (dbg_bus_clk_en & ~sb_abmem_cmd_pending) | sbcs_unaligned | sbcs_illegal_size; + sbcs_sberror_wren = sbcs_unaligned | sbcs_illegal_size; + sbcs_sberror_din[2:0] = sbcs_unaligned ? 3'b011 : 3'b100; + end + WAIT_WR: begin + sb_nxtstate = (sbcs_unaligned | sbcs_illegal_size) ? DONE : CMD_WR; + sb_state_en = (dbg_bus_clk_en & ~sb_abmem_cmd_pending) | sbcs_unaligned | sbcs_illegal_size; + sbcs_sberror_wren = sbcs_unaligned | sbcs_illegal_size; + sbcs_sberror_din[2:0] = sbcs_unaligned ? 3'b011 : 3'b100; + end + CMD_RD : begin + sb_nxtstate = RSP_RD; + sb_state_en = sb_bus_cmd_read & dbg_bus_clk_en; + end + CMD_WR : begin + sb_nxtstate = (sb_bus_cmd_write_addr & sb_bus_cmd_write_data) ? RSP_WR : (sb_bus_cmd_write_data ? CMD_WR_ADDR : CMD_WR_DATA); + sb_state_en = (sb_bus_cmd_write_addr | sb_bus_cmd_write_data) & dbg_bus_clk_en; + end + CMD_WR_ADDR : begin + sb_nxtstate = RSP_WR; + sb_state_en = sb_bus_cmd_write_addr & dbg_bus_clk_en; + end + CMD_WR_DATA : begin + sb_nxtstate = RSP_WR; + sb_state_en = sb_bus_cmd_write_data & dbg_bus_clk_en; + end + RSP_RD: begin + sb_nxtstate = DONE; + sb_state_en = sb_bus_rsp_read & dbg_bus_clk_en; + sbcs_sberror_wren = sb_state_en & sb_bus_rsp_error; + sbcs_sberror_din[2:0] = 3'b010; + end + RSP_WR: begin + sb_nxtstate = DONE; + sb_state_en = sb_bus_rsp_write & dbg_bus_clk_en; + sbcs_sberror_wren = sb_state_en & sb_bus_rsp_error; + sbcs_sberror_din[2:0] = 3'b010; + end + DONE: begin + sb_nxtstate = SBIDLE; + sb_state_en = 1'b1; + sbcs_sbbusy_wren = 1'b1; // reset the single read + sbcs_sbbusy_din = 1'b0; + sbaddress0_reg_wren1 = sbcs_reg[16] & (sbcs_reg[14:12] == 3'b0); // auto increment was set and no error. Update to new address after completing the current command + end + default : begin + sb_nxtstate = SBIDLE; + sb_state_en = 1'b0; + sbcs_sbbusy_wren = 1'b0; + sbcs_sbbusy_din = 1'b0; + sbcs_sberror_wren = 1'b0; + sbcs_sberror_din[2:0] = 3'b0; + sbaddress0_reg_wren1 = 1'b0; + end + endcase + end // always_comb begin + + rvdffs #($bits(sb_state_t)) sb_state_reg (.din(sb_nxtstate), .dout({sb_state}), .en(sb_state_en), .rst_l(dbg_dm_rst_l), .clk(sb_free_clk)); + + assign sb_abmem_cmd_write = command_reg[16]; + assign sb_abmem_cmd_size[2:0] = {1'b0, command_reg[21:20]}; + assign sb_abmem_cmd_addr[31:0] = abmem_addr[31:0]; + assign sb_abmem_cmd_wdata[31:0] = data0_reg[31:0]; + + assign sb_cmd_size[2:0] = sbcs_reg[19:17]; + assign sb_cmd_wdata[63:0] = {sbdata1_reg[31:0], sbdata0_reg[31:0]}; + assign sb_cmd_addr[31:0] = sbaddress0_reg[31:0]; + + assign sb_abmem_cmd_awvalid = (dbg_state == SB_CMD_SEND) & sb_abmem_cmd_write & ~sb_abmem_cmd_done; + assign sb_abmem_cmd_wvalid = (dbg_state == SB_CMD_SEND) & sb_abmem_cmd_write & ~sb_abmem_data_done; + assign sb_abmem_cmd_arvalid = (dbg_state == SB_CMD_SEND) & ~sb_abmem_cmd_write & ~sb_abmem_cmd_done & ~sb_abmem_data_done; + assign sb_abmem_read_pend = (dbg_state == SB_CMD_RESP) & ~sb_abmem_cmd_write; + + assign sb_cmd_awvalid = ((sb_state == CMD_WR) | (sb_state == CMD_WR_ADDR)); + assign sb_cmd_wvalid = ((sb_state == CMD_WR) | (sb_state == CMD_WR_DATA)); + assign sb_cmd_arvalid = (sb_state == CMD_RD); + assign sb_read_pend = (sb_state == RSP_RD); + + assign sb_axi_size[2:0] = (sb_abmem_cmd_awvalid | sb_abmem_cmd_wvalid | sb_abmem_cmd_arvalid | sb_abmem_read_pend) ? sb_abmem_cmd_size[2:0] : sb_cmd_size[2:0]; + assign sb_axi_addr[31:0] = (sb_abmem_cmd_awvalid | sb_abmem_cmd_wvalid | sb_abmem_cmd_arvalid | sb_abmem_read_pend) ? sb_abmem_cmd_addr[31:0] : sb_cmd_addr[31:0]; + assign sb_axi_wrdata[63:0] = (sb_abmem_cmd_awvalid | sb_abmem_cmd_wvalid) ? {2{sb_abmem_cmd_wdata[31:0]}} : sb_cmd_wdata[63:0]; + + // Generic bus response signals + assign sb_bus_cmd_read = sb_axi_arvalid & sb_axi_arready; + assign sb_bus_cmd_write_addr = sb_axi_awvalid & sb_axi_awready; + assign sb_bus_cmd_write_data = sb_axi_wvalid & sb_axi_wready; + + assign sb_bus_rsp_read = sb_axi_rvalid & sb_axi_rready; + assign sb_bus_rsp_write = sb_axi_bvalid & sb_axi_bready; + assign sb_bus_rsp_error = (sb_bus_rsp_read & (|(sb_axi_rresp[1:0]))) | (sb_bus_rsp_write & (|(sb_axi_bresp[1:0]))); + + // AXI Request signals + assign sb_axi_awvalid = sb_abmem_cmd_awvalid | sb_cmd_awvalid; + assign sb_axi_awaddr[31:0] = sb_axi_addr[31:0]; + assign sb_axi_awid[pt.SB_BUS_TAG-1:0] = '0; + assign sb_axi_awsize[2:0] = sb_axi_size[2:0]; + assign sb_axi_awprot[2:0] = 3'b001; + assign sb_axi_awcache[3:0] = 4'b1111; + assign sb_axi_awregion[3:0] = sb_axi_addr[31:28]; + assign sb_axi_awlen[7:0] = '0; + assign sb_axi_awburst[1:0] = 2'b01; + assign sb_axi_awqos[3:0] = '0; + assign sb_axi_awlock = '0; + + assign sb_axi_wvalid = sb_abmem_cmd_wvalid | sb_cmd_wvalid; + assign sb_axi_wdata[63:0] = ({64{(sb_axi_size[2:0] == 3'h0)}} & {8{sb_axi_wrdata[7:0]}}) | + ({64{(sb_axi_size[2:0] == 3'h1)}} & {4{sb_axi_wrdata[15:0]}}) | + ({64{(sb_axi_size[2:0] == 3'h2)}} & {2{sb_axi_wrdata[31:0]}}) | + ({64{(sb_axi_size[2:0] == 3'h3)}} & {sb_axi_wrdata[63:0]}); + assign sb_axi_wstrb[7:0] = ({8{(sb_axi_size[2:0] == 3'h0)}} & (8'h1 << sb_axi_addr[2:0])) | + ({8{(sb_axi_size[2:0] == 3'h1)}} & (8'h3 << {sb_axi_addr[2:1],1'b0})) | + ({8{(sb_axi_size[2:0] == 3'h2)}} & (8'hf << {sb_axi_addr[2],2'b0})) | + ({8{(sb_axi_size[2:0] == 3'h3)}} & 8'hff); + assign sb_axi_wlast = '1; + + assign sb_axi_arvalid = sb_abmem_cmd_arvalid | sb_cmd_arvalid; + assign sb_axi_araddr[31:0] = sb_axi_addr[31:0]; + assign sb_axi_arid[pt.SB_BUS_TAG-1:0] = '0; + assign sb_axi_arsize[2:0] = sb_axi_size[2:0]; + assign sb_axi_arprot[2:0] = 3'b001; + assign sb_axi_arcache[3:0] = 4'b0; + assign sb_axi_arregion[3:0] = sb_axi_addr[31:28]; + assign sb_axi_arlen[7:0] = '0; + assign sb_axi_arburst[1:0] = 2'b01; + assign sb_axi_arqos[3:0] = '0; + assign sb_axi_arlock = '0; + + // AXI Response signals + assign sb_axi_bready = 1'b1; + + assign sb_axi_rready = 1'b1; + assign sb_bus_rdata[63:0] = ({64{sb_axi_size == 3'h0}} & ((sb_axi_rdata[63:0] >> 8*sb_axi_addr[2:0]) & 64'hff)) | + ({64{sb_axi_size == 3'h1}} & ((sb_axi_rdata[63:0] >> 16*sb_axi_addr[2:1]) & 64'hffff)) | + ({64{sb_axi_size == 3'h2}} & ((sb_axi_rdata[63:0] >> 32*sb_axi_addr[2]) & 64'hffff_ffff)) | + ({64{sb_axi_size == 3'h3}} & sb_axi_rdata[63:0]); + + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// dec: decode unit - decode, bypassing, ARF, interrupts +// +//******************************************************************************** +// $Id$ +// +// +// Function: Decode +// Comments: Decode, dependency scoreboard, ARF +// +// +// A -> D -> EX1 ... WB +// +//******************************************************************************** + +module eb1_dec +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + input logic free_clk, // Clock always. Through two clock headers. For flops without second clock header built in. + input logic free_l2clk, // Clock always. Through one clock header. For flops with second header built in. + + input logic lsu_fastint_stall_any, // needed by lsu for 2nd pass of dma with ecc correction, stall next cycle + + output logic dec_extint_stall, // Stall on external interrupt + + output logic dec_i0_decode_d, // Valid instruction at D-stage and not blocked + output logic dec_pause_state_cg, // to top for active state clock gating + + output logic dec_tlu_core_empty, + + input logic rst_l, // reset, active low + input logic [31:1] rst_vec, // reset vector, from core pins + + input logic nmi_int, // NMI pin + input logic [31:1] nmi_vec, // NMI vector, from pins + + input logic i_cpu_halt_req, // Asynchronous Halt request to CPU + input logic i_cpu_run_req, // Asynchronous Restart request to CPU + + output logic o_cpu_halt_status, // Halt status of core (pmu/fw) + output logic o_cpu_halt_ack, // Halt request ack + output logic o_cpu_run_ack, // Run request ack + output logic o_debug_mode_status, // Core to the PMU that core is in debug mode. When core is in debug mode, the PMU should refrain from sendng a halt or run request + + input logic [31:4] core_id, // CORE ID + + // external MPC halt/run interface + input logic mpc_debug_halt_req, // Async halt request + input logic mpc_debug_run_req, // Async run request + input logic mpc_reset_run_req, // Run/halt after reset + output logic mpc_debug_halt_ack, // Halt ack + output logic mpc_debug_run_ack, // Run ack + output logic debug_brkpt_status, // debug breakpoint + + input logic exu_pmu_i0_br_misp, // slot 0 branch misp + input logic exu_pmu_i0_br_ataken, // slot 0 branch actual taken + input logic exu_pmu_i0_pc4, // slot 0 4 byte branch + + + input logic lsu_nonblock_load_valid_m, // valid nonblock load at m + input logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_tag_m, // -> corresponding tag + input logic lsu_nonblock_load_inv_r, // invalidate request for nonblock load r + input logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_inv_tag_r, // -> corresponding tag + input logic lsu_nonblock_load_data_valid, // valid nonblock load data back + input logic lsu_nonblock_load_data_error, // nonblock load bus error + input logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_data_tag, // -> corresponding tag + input logic [31:0] lsu_nonblock_load_data, // nonblock load data + + input logic lsu_pmu_bus_trxn, // D side bus transaction + input logic lsu_pmu_bus_misaligned, // D side bus misaligned + input logic lsu_pmu_bus_error, // D side bus error + input logic lsu_pmu_bus_busy, // D side bus busy + input logic lsu_pmu_misaligned_m, // D side load or store misaligned + input logic lsu_pmu_load_external_m, // D side bus load + input logic lsu_pmu_store_external_m, // D side bus store + input logic dma_pmu_dccm_read, // DMA DCCM read + input logic dma_pmu_dccm_write, // DMA DCCM write + input logic dma_pmu_any_read, // DMA read + input logic dma_pmu_any_write, // DMA write + + input logic [31:1] lsu_fir_addr, // Fast int address + input logic [1:0] lsu_fir_error, // Fast int lookup error + + input logic ifu_pmu_instr_aligned, // aligned instructions + input logic ifu_pmu_fetch_stall, // fetch unit stalled + input logic ifu_pmu_ic_miss, // icache miss + input logic ifu_pmu_ic_hit, // icache hit + input logic ifu_pmu_bus_error, // Instruction side bus error + input logic ifu_pmu_bus_busy, // Instruction side bus busy + input logic ifu_pmu_bus_trxn, // Instruction side bus transaction + + input logic ifu_ic_error_start, // IC single bit error + input logic ifu_iccm_rd_ecc_single_err, // ICCM single bit error + + input logic [3:0] lsu_trigger_match_m, + input logic dbg_cmd_valid, // debugger abstract command valid + input logic dbg_cmd_write, // command is a write + input logic [1:0] dbg_cmd_type, // command type + input logic [31:0] dbg_cmd_addr, // command address + input logic [1:0] dbg_cmd_wrdata, // command write data, for fence/fence_i + + + input logic ifu_i0_icaf, // icache access fault + input logic [1:0] ifu_i0_icaf_type, // icache access fault type + + input logic ifu_i0_icaf_second, // i0 has access fault on second 2B of 4B inst + input logic ifu_i0_dbecc, // icache/iccm double-bit error + + input logic lsu_idle_any, // lsu idle for halting + + input eb1_br_pkt_t i0_brp, // branch packet + input logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] ifu_i0_bp_index, // BP index + input logic [pt.BHT_GHR_SIZE-1:0] ifu_i0_bp_fghr, // BP FGHR + input logic [pt.BTB_BTAG_SIZE-1:0] ifu_i0_bp_btag, // BP tag + input logic [$clog2(pt.BTB_SIZE)-1:0] ifu_i0_fa_index, // Fully associt btb index + + input eb1_lsu_error_pkt_t lsu_error_pkt_r, // LSU exception/error packet + input logic lsu_single_ecc_error_incr, // LSU inc SB error counter + + input logic lsu_imprecise_error_load_any, // LSU imprecise load bus error + input logic lsu_imprecise_error_store_any, // LSU imprecise store bus error + input logic [31:0] lsu_imprecise_error_addr_any, // LSU imprecise bus error address + + input logic [31:0] exu_div_result, // final div result + input logic exu_div_wren, // Divide write enable to GPR + + input logic [31:0] exu_csr_rs1_x, // rs1 for csr instruction + + input logic [31:0] lsu_result_m, // load result + input logic [31:0] lsu_result_corr_r, // load result - corrected load data + + input logic lsu_load_stall_any, // This is for blocking loads + input logic lsu_store_stall_any, // This is for blocking stores + input logic dma_dccm_stall_any, // stall any load/store at decode, pmu event + input logic dma_iccm_stall_any, // iccm stalled, pmu event + + input logic iccm_dma_sb_error, // ICCM DMA single bit error + + input logic exu_flush_final, // slot0 flush + + input logic [31:1] exu_npc_r, // next PC + + input logic [31:0] exu_i0_result_x, // alu result x + + + input logic ifu_i0_valid, // fetch valids to instruction buffer + input logic [31:0] ifu_i0_instr, // fetch inst's to instruction buffer + input logic [31:1] ifu_i0_pc, // pc's for instruction buffer + input logic ifu_i0_pc4, // indication of 4B or 2B for corresponding inst + input logic [31:1] exu_i0_pc_x, // pc's for e1 from the alu's + + input logic mexintpend, // External interrupt pending + input logic timer_int, // Timer interrupt pending (from pin) + input logic soft_int, // Software interrupt pending (from pin) + + input logic [7:0] pic_claimid, // PIC claimid + input logic [3:0] pic_pl, // PIC priv level + input logic mhwakeup, // High priority wakeup + + output logic [3:0] dec_tlu_meicurpl, // to PIC, Current priv level + output logic [3:0] dec_tlu_meipt, // to PIC + + input logic [70:0] ifu_ic_debug_rd_data, // diagnostic icache read data + input logic ifu_ic_debug_rd_data_valid, // diagnostic icache read data valid + output eb1_cache_debug_pkt_t dec_tlu_ic_diag_pkt, // packet of DICAWICS, DICAD0/1, DICAGO info for icache diagnostics + + +// Debug start + input logic dbg_halt_req, // DM requests a halt + input logic dbg_resume_req, // DM requests a resume + input logic ifu_miss_state_idle, // I-side miss buffer empty + + output logic dec_tlu_dbg_halted, // Core is halted and ready for debug command + output logic dec_tlu_debug_mode, // Core is in debug mode + output logic dec_tlu_resume_ack, // Resume acknowledge + output logic dec_tlu_flush_noredir_r, // Tell fetch to idle on this flush + output logic dec_tlu_mpc_halted_only, // Core is halted only due to MPC + output logic dec_tlu_flush_leak_one_r, // single step + output logic dec_tlu_flush_err_r, // iside perr/ecc rfpc + output logic [31:2] dec_tlu_meihap, // Fast ext int base + + output logic dec_debug_wdata_rs1_d, // insert debug write data into rs1 at decode + + output logic [31:0] dec_dbg_rddata, // debug command read data + + output logic dec_dbg_cmd_done, // abstract command is done + output logic dec_dbg_cmd_fail, // abstract command failed (illegal reg address) + + output eb1_trigger_pkt_t [3:0] trigger_pkt_any, // info needed by debug trigger blocks + + output logic dec_tlu_force_halt, // halt has been forced +// Debug end + // branch info from pipe0 for errors or counter updates + input logic [1:0] exu_i0_br_hist_r, // history + input logic exu_i0_br_error_r, // error + input logic exu_i0_br_start_error_r, // start error + input logic exu_i0_br_valid_r, // valid + input logic exu_i0_br_mp_r, // mispredict + input logic exu_i0_br_middle_r, // middle of bank + + // branch info from pipe1 for errors or counter updates + + input logic exu_i0_br_way_r, // way hit or repl + + output logic dec_i0_rs1_en_d, // Qualify GPR RS1 data + output logic dec_i0_rs2_en_d, // Qualify GPR RS2 data + output logic [31:0] gpr_i0_rs1_d, // gpr rs1 data + output logic [31:0] gpr_i0_rs2_d, // gpr rs2 data + + output logic [31:0] dec_i0_immed_d, // immediate data + output logic [12:1] dec_i0_br_immed_d, // br immediate data + + output eb1_alu_pkt_t i0_ap, // alu packet + + output logic dec_i0_alu_decode_d, // schedule on D-stage alu + output logic dec_i0_branch_d, // Branch in D-stage + + output logic dec_i0_select_pc_d, // select pc onto rs1 for jal's + + output logic [31:1] dec_i0_pc_d, // pc's at decode + output logic [3:0] dec_i0_rs1_bypass_en_d, // rs1 bypass enable + output logic [3:0] dec_i0_rs2_bypass_en_d, // rs2 bypass enable + + output logic [31:0] dec_i0_result_r, // Result R-stage + + output eb1_lsu_pkt_t lsu_p, // lsu packet + output logic dec_qual_lsu_d, // LSU instruction at D. Use to quiet LSU operands + output eb1_mul_pkt_t mul_p, // mul packet + output eb1_div_pkt_t div_p, // div packet + output logic dec_div_cancel, // cancel divide operation + + output logic [11:0] dec_lsu_offset_d, // 12b offset for load/store addresses + + output logic dec_csr_ren_d, // CSR read enable + output logic [31:0] dec_csr_rddata_d, // CSR read data + + output logic dec_tlu_flush_lower_r, // tlu flush due to late mp, exception, rfpc, or int + output logic dec_tlu_flush_lower_wb, + output logic [31:1] dec_tlu_flush_path_r, // tlu flush target + output logic dec_tlu_i0_kill_writeb_r, // I0 is flushed, don't writeback any results to arch state + output logic dec_tlu_fence_i_r, // flush is a fence_i rfnpc, flush icache + + output logic [31:1] pred_correct_npc_x, // npc if prediction is correct at e2 stage + + output eb1_br_tlu_pkt_t dec_tlu_br0_r_pkt, // slot 0 branch predictor update packet + + output logic dec_tlu_perfcnt0, // toggles when slot0 perf counter 0 has an event inc + output logic dec_tlu_perfcnt1, // toggles when slot0 perf counter 1 has an event inc + output logic dec_tlu_perfcnt2, // toggles when slot0 perf counter 2 has an event inc + output logic dec_tlu_perfcnt3, // toggles when slot0 perf counter 3 has an event inc + + output eb1_predict_pkt_t dec_i0_predict_p_d, // prediction packet to alus + output logic [pt.BHT_GHR_SIZE-1:0] i0_predict_fghr_d, // DEC predict fghr + output logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] i0_predict_index_d, // DEC predict index + output logic [pt.BTB_BTAG_SIZE-1:0] i0_predict_btag_d, // DEC predict branch tag + + output logic [$clog2(pt.BTB_SIZE)-1:0] dec_fa_error_index, // Fully associt btb error index + + output logic dec_lsu_valid_raw_d, + + output logic [31:0] dec_tlu_mrac_ff, // CSR for memory region control + + output logic [1:0] dec_data_en, // clock-gate control logic + output logic [1:0] dec_ctl_en, + + input logic [15:0] ifu_i0_cinst, // 16b compressed instruction + + output eb1_trace_pkt_t trace_rv_trace_pkt, // trace packet + + // feature disable from mfdc + output logic dec_tlu_external_ldfwd_disable, // disable external load forwarding + output logic dec_tlu_sideeffect_posted_disable, // disable posted stores to side-effect address + output logic dec_tlu_core_ecc_disable, // disable core ECC + output logic dec_tlu_bpred_disable, // disable branch prediction + output logic dec_tlu_wb_coalescing_disable, // disable writebuffer coalescing + output logic [2:0] dec_tlu_dma_qos_prty, // DMA QoS priority coming from MFDC [18:16] + + // clock gating overrides from mcgc + output logic dec_tlu_misc_clk_override, // override misc clock domain gating + output logic dec_tlu_ifu_clk_override, // override fetch clock domain gating + output logic dec_tlu_lsu_clk_override, // override load/store clock domain gating + output logic dec_tlu_bus_clk_override, // override bus clock domain gating + output logic dec_tlu_pic_clk_override, // override PIC clock domain gating + output logic dec_tlu_picio_clk_override, // override PICIO clock domain gating + output logic dec_tlu_dccm_clk_override, // override DCCM clock domain gating + output logic dec_tlu_icm_clk_override, // override ICCM clock domain gating + + output logic dec_tlu_i0_commit_cmt, // committed i0 instruction + input logic scan_mode // Flop scan mode control + + + ); + + + logic dec_tlu_dec_clk_override; // to and from dec blocks + logic clk_override; + + logic dec_ib0_valid_d; + + logic dec_pmu_instr_decoded; + logic dec_pmu_decode_stall; + logic dec_pmu_presync_stall; + logic dec_pmu_postsync_stall; + + logic dec_tlu_wr_pause_r; // CSR write to pause reg is at R. + + logic [4:0] dec_i0_rs1_d; + logic [4:0] dec_i0_rs2_d; + + logic [31:0] dec_i0_instr_d; + + logic dec_tlu_trace_disable; + logic dec_tlu_pipelining_disable; + + + logic [4:0] dec_i0_waddr_r; + logic dec_i0_wen_r; + logic [31:0] dec_i0_wdata_r; + logic dec_csr_wen_r; // csr write enable at wb + logic [11:0] dec_csr_wraddr_r; // write address for csryes + logic [31:0] dec_csr_wrdata_r; // csr write data at wb + + logic [11:0] dec_csr_rdaddr_d; // read address for csr + logic dec_csr_legal_d; // csr indicates legal operation + + logic dec_csr_wen_unq_d; // valid csr with write - for csr legal + logic dec_csr_any_unq_d; // valid csr - for csr legal + logic dec_csr_stall_int_ff; // csr is mie/mstatus + + eb1_trap_pkt_t dec_tlu_packet_r; + + logic dec_i0_pc4_d; + logic dec_tlu_presync_d; + logic dec_tlu_postsync_d; + logic dec_tlu_debug_stall; + + logic [31:0] dec_illegal_inst; + + logic dec_i0_icaf_d; + + logic dec_i0_dbecc_d; + logic dec_i0_icaf_second_d; + logic [3:0] dec_i0_trigger_match_d; + logic dec_debug_fence_d; + logic dec_nonblock_load_wen; + logic [4:0] dec_nonblock_load_waddr; + logic dec_tlu_flush_pause_r; + eb1_br_pkt_t dec_i0_brp; + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] dec_i0_bp_index; + logic [pt.BHT_GHR_SIZE-1:0] dec_i0_bp_fghr; + logic [pt.BTB_BTAG_SIZE-1:0] dec_i0_bp_btag; + logic [$clog2(pt.BTB_SIZE)-1:0] dec_i0_bp_fa_index; // Fully associt btb index + + logic [31:1] dec_tlu_i0_pc_r; + logic dec_tlu_i0_kill_writeb_wb; + logic dec_tlu_i0_valid_r; + + logic dec_pause_state; + + logic [1:0] dec_i0_icaf_type_d; // i0 instruction access fault type + + logic dec_tlu_flush_extint; // Fast ext int started + + logic [31:0] dec_i0_inst_wb; + logic [31:1] dec_i0_pc_wb; + logic dec_tlu_i0_valid_wb1, dec_tlu_int_valid_wb1; + logic [4:0] dec_tlu_exc_cause_wb1; + logic [31:0] dec_tlu_mtval_wb1; + logic dec_tlu_i0_exc_valid_wb1; + + logic [4:0] div_waddr_wb; + logic dec_div_active; + + logic dec_debug_valid_d; + + +// Adding signals for vector + + //logic stall_scalar; + + + + assign clk_override = dec_tlu_dec_clk_override; + + + assign dec_dbg_rddata[31:0] = dec_i0_wdata_r[31:0]; + + + eb1_dec_ib_ctl #(.pt(pt)) instbuff (.*); + + + eb1_dec_decode_ctl #(.pt(pt)) decode (.*); + + + eb1_dec_tlu_ctl #(.pt(pt)) tlu (.*); + + + eb1_dec_gpr_ctl #(.pt(pt)) arf (.*, + // inputs + .raddr0(dec_i0_rs1_d[4:0]), + .raddr1(dec_i0_rs2_d[4:0]), + + .wen0(dec_i0_wen_r), .waddr0(dec_i0_waddr_r[4:0]), .wd0(dec_i0_wdata_r[31:0]), + .wen1(dec_nonblock_load_wen), .waddr1(dec_nonblock_load_waddr[4:0]), .wd1(lsu_nonblock_load_data[31:0]), + .wen2(exu_div_wren), .waddr2(div_waddr_wb), .wd2(exu_div_result[31:0]), + + // outputs + .rd0(gpr_i0_rs1_d[31:0]), .rd1(gpr_i0_rs2_d[31:0]) + ); + + +// Trigger + + eb1_dec_trigger #(.pt(pt)) dec_trigger (.*); + + + + +// trace + assign trace_rv_trace_pkt.trace_rv_i_insn_ip = dec_i0_inst_wb[31:0]; + assign trace_rv_trace_pkt.trace_rv_i_address_ip = { dec_i0_pc_wb[31:1], 1'b0}; + + assign trace_rv_trace_pkt.trace_rv_i_valid_ip = dec_tlu_int_valid_wb1 | dec_tlu_i0_valid_wb1 | dec_tlu_i0_exc_valid_wb1; + assign trace_rv_trace_pkt.trace_rv_i_exception_ip = dec_tlu_int_valid_wb1 | dec_tlu_i0_exc_valid_wb1; + assign trace_rv_trace_pkt.trace_rv_i_ecause_ip = dec_tlu_exc_cause_wb1[4:0]; // replicate across ports + assign trace_rv_trace_pkt.trace_rv_i_interrupt_ip = dec_tlu_int_valid_wb1; + assign trace_rv_trace_pkt.trace_rv_i_tval_ip = dec_tlu_mtval_wb1[31:0]; // replicate across ports + + + +// end trace + + +endmodule // eb1_dec + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + + +module eb1_dec_decode_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic dec_tlu_trace_disable, + input logic dec_debug_valid_d, + + input logic dec_tlu_flush_extint, // Flush external interrupt + + input logic dec_tlu_force_halt, // invalidate nonblock load cam on a force halt event + + output logic dec_extint_stall, // Stall from external interrupt + + input logic [15:0] ifu_i0_cinst, // 16b compressed instruction + output logic [31:0] dec_i0_inst_wb, // 32b instruction at wb+1 for trace encoder + output logic [31:1] dec_i0_pc_wb, // 31b pc at wb+1 for trace encoder + + + input logic lsu_nonblock_load_valid_m, // valid nonblock load at m + input logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_tag_m, // -> corresponding tag + input logic lsu_nonblock_load_inv_r, // invalidate request for nonblock load r + input logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_inv_tag_r, // -> corresponding tag + input logic lsu_nonblock_load_data_valid, // valid nonblock load data back + input logic lsu_nonblock_load_data_error, // nonblock load bus error + input logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_data_tag, // -> corresponding tag + + + input logic [3:0] dec_i0_trigger_match_d, // i0 decode trigger matches + + input logic dec_tlu_wr_pause_r, // pause instruction at r + input logic dec_tlu_pipelining_disable, // pipeline disable - presync, i0 decode only + + input logic [3:0] lsu_trigger_match_m, // lsu trigger matches + + input logic lsu_pmu_misaligned_m, // perf mon: load/store misalign + input logic dec_tlu_debug_stall, // debug stall decode + input logic dec_tlu_flush_leak_one_r, // leak1 instruction + + input logic dec_debug_fence_d, // debug fence instruction + + input logic [1:0] dbg_cmd_wrdata, // disambiguate fence, fence_i + + input logic dec_i0_icaf_d, // icache access fault + input logic dec_i0_icaf_second_d, // i0 instruction access fault on second 2B of 4B inst + input logic [1:0] dec_i0_icaf_type_d, // i0 instruction access fault type + + input logic dec_i0_dbecc_d, // icache/iccm double-bit error + + input eb1_br_pkt_t dec_i0_brp, // branch packet + input logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] dec_i0_bp_index, // i0 branch index + input logic [pt.BHT_GHR_SIZE-1:0] dec_i0_bp_fghr, // BP FGHR + input logic [pt.BTB_BTAG_SIZE-1:0] dec_i0_bp_btag, // BP tag + input logic [$clog2(pt.BTB_SIZE)-1:0] dec_i0_bp_fa_index, // Fully associt btb index + + input logic lsu_idle_any, // lsu idle: if fence instr & ~lsu_idle then stall decode + + input logic lsu_load_stall_any, // stall any load at decode + input logic lsu_store_stall_any, // stall any store at decode + input logic dma_dccm_stall_any, // stall any load/store at decode + + input logic exu_div_wren, // nonblocking divide write enable to GPR. + + input logic dec_tlu_i0_kill_writeb_wb, // I0 is flushed, don't writeback any results to arch state + input logic dec_tlu_flush_lower_wb, // trap lower flush + input logic dec_tlu_i0_kill_writeb_r, // I0 is flushed, don't writeback any results to arch state + input logic dec_tlu_flush_lower_r, // trap lower flush + input logic dec_tlu_flush_pause_r, // don't clear pause state on initial lower flush + input logic dec_tlu_presync_d, // CSR read needs to be presync'd + input logic dec_tlu_postsync_d, // CSR ops that need to be postsync'd + + input logic dec_i0_pc4_d, // inst is 4B inst else 2B + + input logic [31:0] dec_csr_rddata_d, // csr read data at wb + input logic dec_csr_legal_d, // csr indicates legal operation + + input logic [31:0] exu_csr_rs1_x, // rs1 for csr instr + + input logic [31:0] lsu_result_m, // load result + input logic [31:0] lsu_result_corr_r, // load result - corrected data for writing gpr's, not for bypassing + + input logic exu_flush_final, // lower flush or i0 flush at X or D + + input logic [31:1] exu_i0_pc_x, // pcs at e1 + + input logic [31:0] dec_i0_instr_d, // inst at decode + + input logic dec_ib0_valid_d, // inst valid at decode + + input logic [31:0] exu_i0_result_x, // from primary alu's + + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + input logic free_l2clk, // Clock always. Through one clock header. For flops with second header built in. + + input logic clk_override, // Override non-functional clock gating + input logic rst_l, // Flop reset + + + + output logic dec_i0_rs1_en_d, // rs1 enable at decode + output logic dec_i0_rs2_en_d, // rs2 enable at decode + + output logic [4:0] dec_i0_rs1_d, // rs1 logical source + output logic [4:0] dec_i0_rs2_d, // rs2 logical source + + output logic [31:0] dec_i0_immed_d, // 32b immediate data decode + + + output logic [12:1] dec_i0_br_immed_d, // 12b branch immediate + + output eb1_alu_pkt_t i0_ap, // alu packets + + output logic dec_i0_decode_d, // i0 decode + + output logic dec_i0_alu_decode_d, // decode to D-stage alu + output logic dec_i0_branch_d, // Branch in D-stage + + output logic [4:0] dec_i0_waddr_r, // i0 logical source to write to gpr's + output logic dec_i0_wen_r, // i0 write enable + output logic [31:0] dec_i0_wdata_r, // i0 write data + + output logic dec_i0_select_pc_d, // i0 select pc for rs1 - branches + + output logic [3:0] dec_i0_rs1_bypass_en_d, // i0 rs1 bypass enable + output logic [3:0] dec_i0_rs2_bypass_en_d, // i0 rs2 bypass enable + output logic [31:0] dec_i0_result_r, // Result R-stage + + output eb1_lsu_pkt_t lsu_p, // load/store packet + output logic dec_qual_lsu_d, // LSU instruction at D. Use to quiet LSU operands + + output eb1_mul_pkt_t mul_p, // multiply packet + + output eb1_div_pkt_t div_p, // divide packet + output logic [4:0] div_waddr_wb, // DIV write address to GPR + output logic dec_div_cancel, // cancel the divide operation + + output logic dec_lsu_valid_raw_d, + output logic [11:0] dec_lsu_offset_d, + + output logic dec_csr_ren_d, // valid csr decode + output logic dec_csr_wen_unq_d, // valid csr with write - for csr legal + output logic dec_csr_any_unq_d, // valid csr - for csr legal + output logic [11:0] dec_csr_rdaddr_d, // read address for csr + output logic dec_csr_wen_r, // csr write enable at r + output logic [11:0] dec_csr_wraddr_r, // write address for csr + output logic [31:0] dec_csr_wrdata_r, // csr write data at r + output logic dec_csr_stall_int_ff, // csr is mie/mstatus + + output dec_tlu_i0_valid_r, // i0 valid inst at c + + output eb1_trap_pkt_t dec_tlu_packet_r, // trap packet + + output logic [31:1] dec_tlu_i0_pc_r, // i0 trap pc + + output logic [31:0] dec_illegal_inst, // illegal inst + output logic [31:1] pred_correct_npc_x, // npc e2 if the prediction is correct + + output eb1_predict_pkt_t dec_i0_predict_p_d, // i0 predict packet decode + output logic [pt.BHT_GHR_SIZE-1:0] i0_predict_fghr_d, // i0 predict fghr + output logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] i0_predict_index_d, // i0 predict index + output logic [pt.BTB_BTAG_SIZE-1:0] i0_predict_btag_d, // i0_predict branch tag + + output logic [$clog2(pt.BTB_SIZE)-1:0] dec_fa_error_index, // Fully associt btb error index + + output logic [1:0] dec_data_en, // clock-gating logic + output logic [1:0] dec_ctl_en, + + output logic dec_pmu_instr_decoded, // number of instructions decode this cycle encoded + output logic dec_pmu_decode_stall, // decode is stalled + output logic dec_pmu_presync_stall, // decode has presync stall + output logic dec_pmu_postsync_stall, // decode has postsync stall + + output logic dec_nonblock_load_wen, // write enable for nonblock load + output logic [4:0] dec_nonblock_load_waddr, // logical write addr for nonblock load + output logic dec_pause_state, // core in pause state + output logic dec_pause_state_cg, // pause state for clock-gating + + output logic dec_div_active, // non-block divide is active + + input logic scan_mode + + ); + + + + + eb1_dec_pkt_t i0_dp_raw, i0_dp; + + logic [31:0] i0; + logic i0_valid_d; + + logic [31:0] i0_result_r; + + logic [2:0] i0_rs1bypass, i0_rs2bypass; + + logic i0_jalimm20; + logic i0_uiimm20; + + logic lsu_decode_d; + logic [31:0] i0_immed_d; + logic i0_presync; + logic i0_postsync; + + logic postsync_stall; + logic ps_stall; + + logic prior_inflight, prior_inflight_wb; + + logic csr_clr_d, csr_set_d, csr_write_d; + + logic csr_clr_x,csr_set_x,csr_write_x,csr_imm_x; + logic [31:0] csr_mask_x; + logic [31:0] write_csr_data_x; + logic [31:0] write_csr_data_in; + logic [31:0] write_csr_data; + logic csr_data_wen; + + logic [4:0] csrimm_x; + + logic [31:0] csr_rddata_x; + + logic mul_decode_d; + logic div_decode_d; + logic div_e1_to_r; + logic div_flush; + logic div_active_in; + logic div_active; + logic i0_nonblock_div_stall; + logic i0_div_prior_div_stall; + logic nonblock_div_cancel; + + logic i0_legal; + logic shift_illegal; + logic illegal_inst_en; + logic illegal_lockout_in, illegal_lockout; + logic i0_legal_decode_d; + logic i0_exulegal_decode_d, i0_exudecode_d, i0_exublock_d; + + logic [12:1] last_br_immed_d; + logic i0_rs1_depend_i0_x, i0_rs1_depend_i0_r; + logic i0_rs2_depend_i0_x, i0_rs2_depend_i0_r; + + logic i0_div_decode_d; + logic i0_load_block_d; + logic [1:0] i0_rs1_depth_d, i0_rs2_depth_d; + + logic i0_load_stall_d; + logic i0_store_stall_d; + + logic i0_predict_nt, i0_predict_t; + + logic i0_notbr_error, i0_br_toffset_error; + logic i0_ret_error; + logic i0_br_error; + logic i0_br_error_all; + logic [11:0] i0_br_offset; + + logic [20:1] i0_pcall_imm; // predicted jal's + logic i0_pcall_12b_offset; + logic i0_pcall_raw; + logic i0_pcall_case; + logic i0_pcall; + + logic i0_pja_raw; + logic i0_pja_case; + logic i0_pja; + + logic i0_pret_case; + logic i0_pret_raw, i0_pret; + + logic i0_jal; // jal's that are not predicted + + + logic i0_predict_br; + + logic store_data_bypass_d, store_data_bypass_m; + + eb1_class_pkt_t i0_rs1_class_d, i0_rs2_class_d; + + eb1_class_pkt_t i0_d_c, i0_x_c, i0_r_c; + + + logic i0_ap_pc2, i0_ap_pc4; + + logic i0_rd_en_d; + + logic load_ldst_bypass_d; + + logic leak1_i0_stall_in, leak1_i0_stall; + logic leak1_i1_stall_in, leak1_i1_stall; + logic leak1_mode; + + logic i0_csr_write_only_d; + + logic prior_inflight_x, prior_inflight_eff; + logic any_csr_d; + + logic prior_csr_write; + + logic [3:0] i0_pipe_en; + logic i0_r_ctl_en, i0_x_ctl_en, i0_wb_ctl_en; + logic i0_x_data_en, i0_r_data_en, i0_wb_data_en; + + logic debug_fence_i; + logic debug_fence; + + logic i0_csr_write; + logic presync_stall; + + logic i0_instr_error; + logic i0_icaf_d; + + logic clear_pause; + logic pause_state_in, pause_state; + logic pause_stall; + + logic i0_brp_valid; + logic nonblock_load_cancel; + logic lsu_idle; + logic lsu_pmu_misaligned_r; + logic csr_ren_qual_d; + logic csr_read_x; + logic i0_block_d; + logic i0_block_raw_d; // This is use to create the raw valid + logic ps_stall_in; + logic [31:0] i0_result_x; + + eb1_dest_pkt_t d_d, x_d, r_d, wbd; + eb1_dest_pkt_t x_d_in, r_d_in; + + eb1_trap_pkt_t d_t, x_t, x_t_in, r_t_in, r_t; + + logic [3:0] lsu_trigger_match_r; + + logic [31:1] dec_i0_pc_r; + + logic csr_read, csr_write; + logic i0_br_unpred; + + logic nonblock_load_valid_m_delay; + logic i0_wen_r; + + logic tlu_wr_pause_r1; + logic tlu_wr_pause_r2; + + logic flush_final_r; + + logic bitmanip_zbb_legal; + logic bitmanip_zbs_legal; + logic bitmanip_zbe_legal; + logic bitmanip_zbc_legal; + logic bitmanip_zbp_legal; + logic bitmanip_zbr_legal; + logic bitmanip_zbf_legal; + logic bitmanip_zba_legal; + logic bitmanip_zbb_zbp_legal; + logic bitmanip_legal; + + logic data_gate_en; + logic data_gate_clk; + + + localparam NBLOAD_SIZE = pt.LSU_NUM_NBLOAD; + localparam NBLOAD_SIZE_MSB = int'(pt.LSU_NUM_NBLOAD)-1; + localparam NBLOAD_TAG_MSB = pt.LSU_NUM_NBLOAD_WIDTH-1; + + + logic cam_write, cam_inv_reset, cam_data_reset; + logic [NBLOAD_TAG_MSB:0] cam_write_tag, cam_inv_reset_tag, cam_data_reset_tag; + logic [NBLOAD_SIZE_MSB:0] cam_wen; + + logic [NBLOAD_TAG_MSB:0] load_data_tag; + logic [NBLOAD_SIZE_MSB:0] nonblock_load_write; + + eb1_load_cam_pkt_t [NBLOAD_SIZE_MSB:0] cam; + eb1_load_cam_pkt_t [NBLOAD_SIZE_MSB:0] cam_in; + eb1_load_cam_pkt_t [NBLOAD_SIZE_MSB:0] cam_raw; + + logic [4:0] nonblock_load_rd; + logic i0_nonblock_load_stall; + logic i0_nonblock_boundary_stall; + + logic i0_rs1_nonblock_load_bypass_en_d, i0_rs2_nonblock_load_bypass_en_d; + + logic i0_load_kill_wen_r; + + logic found; + + logic [NBLOAD_SIZE_MSB:0] cam_inv_reset_val, cam_data_reset_val; + + logic debug_fence_raw; + + logic [31:0] i0_result_r_raw; + logic [31:0] i0_result_corr_r; + + logic [12:1] last_br_immed_x; + + logic [31:0] i0_inst_d; + logic [31:0] i0_inst_x; + logic [31:0] i0_inst_r; + logic [31:0] i0_inst_wb_in; + logic [31:0] i0_inst_wb; + + logic [31:1] i0_pc_wb; + + logic i0_wb_en; + + logic trace_enable; + + logic debug_valid_x; + + eb1_inst_pkt_t i0_itype; + eb1_reg_pkt_t i0r; + + + + rvdffie #(8) misc1ff (.*, + .clk(free_l2clk), + .din( {leak1_i1_stall_in,leak1_i0_stall_in,dec_tlu_flush_extint,pause_state_in ,dec_tlu_wr_pause_r, tlu_wr_pause_r1,illegal_lockout_in,ps_stall_in}), + .dout({leak1_i1_stall, leak1_i0_stall, dec_extint_stall, pause_state, tlu_wr_pause_r1,tlu_wr_pause_r2,illegal_lockout, ps_stall }) + ); + + rvdffie #(8) misc2ff (.*, + .clk(free_l2clk), + .din( {lsu_trigger_match_m[3:0],lsu_pmu_misaligned_m,div_active_in,exu_flush_final, dec_debug_valid_d}), + .dout({lsu_trigger_match_r[3:0],lsu_pmu_misaligned_r,div_active, flush_final_r, debug_valid_x}) + ); + +if(pt.BTB_ENABLE==1) begin +// branch prediction + + + // in leak1_mode, ignore any predictions for i0, treat branch as if we haven't seen it before + // in leak1 mode, also ignore branch errors for i0 + assign i0_brp_valid = dec_i0_brp.valid & ~leak1_mode & ~i0_icaf_d; + + assign dec_i0_predict_p_d.misp = '0; + assign dec_i0_predict_p_d.ataken = '0; + assign dec_i0_predict_p_d.boffset = '0; + + assign dec_i0_predict_p_d.pcall = i0_pcall; // don't mark as pcall if branch error + assign dec_i0_predict_p_d.pja = i0_pja; + assign dec_i0_predict_p_d.pret = i0_pret; + assign dec_i0_predict_p_d.prett[31:1] = dec_i0_brp.prett[31:1]; + assign dec_i0_predict_p_d.pc4 = dec_i0_pc4_d; + assign dec_i0_predict_p_d.hist[1:0] = dec_i0_brp.hist[1:0]; + assign dec_i0_predict_p_d.valid = i0_brp_valid & i0_legal_decode_d; + assign i0_notbr_error = i0_brp_valid & ~(i0_dp_raw.condbr | i0_pcall_raw | i0_pja_raw | i0_pret_raw); + + // no toffset error for a pret + assign i0_br_toffset_error = i0_brp_valid & dec_i0_brp.hist[1] & (dec_i0_brp.toffset[11:0] != i0_br_offset[11:0]) & ~i0_pret_raw; + assign i0_ret_error = i0_brp_valid & (dec_i0_brp.ret ^ i0_pret_raw); + assign i0_br_error = dec_i0_brp.br_error | i0_notbr_error | i0_br_toffset_error | i0_ret_error; + assign dec_i0_predict_p_d.br_error = i0_br_error & i0_legal_decode_d & ~leak1_mode; + assign dec_i0_predict_p_d.br_start_error = dec_i0_brp.br_start_error & i0_legal_decode_d & ~leak1_mode; + assign i0_predict_index_d[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] = dec_i0_bp_index; + + assign i0_predict_btag_d[pt.BTB_BTAG_SIZE-1:0] = dec_i0_bp_btag[pt.BTB_BTAG_SIZE-1:0]; + assign i0_br_error_all = (i0_br_error | dec_i0_brp.br_start_error) & ~leak1_mode; + assign dec_i0_predict_p_d.toffset[11:0] = i0_br_offset[11:0]; + assign i0_predict_fghr_d[pt.BHT_GHR_SIZE-1:0] = dec_i0_bp_fghr[pt.BHT_GHR_SIZE-1:0]; + assign dec_i0_predict_p_d.way = dec_i0_brp.way; + + + if(pt.BTB_FULLYA) begin + logic btb_error_found, btb_error_found_f; + logic [$clog2(pt.BTB_SIZE)-1:0] fa_error_index_ns; + + assign btb_error_found = (i0_br_error_all | btb_error_found_f) & ~dec_tlu_flush_lower_r; + assign fa_error_index_ns = (i0_br_error_all & ~btb_error_found_f) ? dec_i0_bp_fa_index : dec_fa_error_index; + + rvdff #($clog2(pt.BTB_SIZE)+1) btberrorfa_f (.*, .clk(active_clk), + .din({btb_error_found, fa_error_index_ns}), + .dout({btb_error_found_f, dec_fa_error_index})); + + + end + else + assign dec_fa_error_index = 'b0; + + + // end +end // if (pt.BTB_ENABLE==1) +else begin + + always_comb begin + dec_i0_predict_p_d = '0; + dec_i0_predict_p_d.pcall = i0_pcall; // don't mark as pcall if branch error + dec_i0_predict_p_d.pja = i0_pja; + dec_i0_predict_p_d.pret = i0_pret; + dec_i0_predict_p_d.pc4 = dec_i0_pc4_d; + end + + assign i0_br_error_all = '0; + assign i0_predict_index_d = '0; + assign i0_predict_btag_d = '0; + assign i0_predict_fghr_d = '0; + assign i0_brp_valid = '0; +end // else: !if(pt.BTB_ENABLE==1) + + // on br error turn anything into a nop + // on i0 instruction fetch access fault turn anything into a nop + // nop => alu rs1 imm12 rd lor + + assign i0_icaf_d = dec_i0_icaf_d | dec_i0_dbecc_d; + + assign i0_instr_error = i0_icaf_d; + + always_comb begin + i0_dp = i0_dp_raw; + if (i0_br_error_all | i0_instr_error) begin + i0_dp = '0; + i0_dp.alu = 1'b1; + i0_dp.rs1 = 1'b1; + i0_dp.rs2 = 1'b1; + i0_dp.lor = 1'b1; + i0_dp.legal = 1'b1; + i0_dp.postsync = 1'b1; + end + end + + assign i0[31:0] = dec_i0_instr_d[31:0]; + + assign dec_i0_select_pc_d = i0_dp.pc; + + // branches that can be predicted + + assign i0_predict_br = i0_dp.condbr | i0_pcall | i0_pja | i0_pret; + + assign i0_predict_nt = ~(dec_i0_brp.hist[1] & i0_brp_valid) & i0_predict_br; + assign i0_predict_t = (dec_i0_brp.hist[1] & i0_brp_valid) & i0_predict_br; + + assign i0_ap.add = i0_dp.add; + assign i0_ap.sub = i0_dp.sub; + assign i0_ap.land = i0_dp.land; + assign i0_ap.lor = i0_dp.lor; + assign i0_ap.lxor = i0_dp.lxor; + assign i0_ap.sll = i0_dp.sll; + assign i0_ap.srl = i0_dp.srl; + assign i0_ap.sra = i0_dp.sra; + assign i0_ap.slt = i0_dp.slt; + assign i0_ap.unsign = i0_dp.unsign; + assign i0_ap.beq = i0_dp.beq; + assign i0_ap.bne = i0_dp.bne; + assign i0_ap.blt = i0_dp.blt; + assign i0_ap.bge = i0_dp.bge; + + assign i0_ap.clz = i0_dp.clz; + assign i0_ap.ctz = i0_dp.ctz; + assign i0_ap.pcnt = i0_dp.pcnt; + assign i0_ap.sext_b = i0_dp.sext_b; + assign i0_ap.sext_h = i0_dp.sext_h; + assign i0_ap.sh1add = i0_dp.sh1add; + assign i0_ap.sh2add = i0_dp.sh2add; + assign i0_ap.sh3add = i0_dp.sh3add; + assign i0_ap.zba = i0_dp.zba; + assign i0_ap.slo = i0_dp.slo; + assign i0_ap.sro = i0_dp.sro; + assign i0_ap.min = i0_dp.min; + assign i0_ap.max = i0_dp.max; + assign i0_ap.pack = i0_dp.pack; + assign i0_ap.packu = i0_dp.packu; + assign i0_ap.packh = i0_dp.packh; + assign i0_ap.rol = i0_dp.rol; + assign i0_ap.ror = i0_dp.ror; + assign i0_ap.grev = i0_dp.grev; + assign i0_ap.gorc = i0_dp.gorc; + assign i0_ap.zbb = i0_dp.zbb; + assign i0_ap.sbset = i0_dp.sbset; + assign i0_ap.sbclr = i0_dp.sbclr; + assign i0_ap.sbinv = i0_dp.sbinv; + assign i0_ap.sbext = i0_dp.sbext; + + assign i0_ap.csr_write = i0_csr_write_only_d; + assign i0_ap.csr_imm = i0_dp.csr_imm; + assign i0_ap.jal = i0_jal; + + assign i0_ap_pc2 = ~dec_i0_pc4_d; + assign i0_ap_pc4 = dec_i0_pc4_d; + + assign i0_ap.predict_nt = i0_predict_nt; + assign i0_ap.predict_t = i0_predict_t; + + +// non block load cam logic + + always_comb begin + found = 0; + cam_wen[NBLOAD_SIZE_MSB:0] = '0; + for (int i=0; i<NBLOAD_SIZE; i++) begin + if (~found) begin + if (~cam[i].valid) begin + cam_wen[i] = cam_write; + found = 1'b1; + end + else begin + cam_wen[i] = 0; + end + end + else + cam_wen[i] = 0; + end + end + + + assign cam_write = lsu_nonblock_load_valid_m; + assign cam_write_tag[NBLOAD_TAG_MSB:0] = lsu_nonblock_load_tag_m[NBLOAD_TAG_MSB:0]; + + assign cam_inv_reset = lsu_nonblock_load_inv_r; + assign cam_inv_reset_tag[NBLOAD_TAG_MSB:0] = lsu_nonblock_load_inv_tag_r[NBLOAD_TAG_MSB:0]; + + assign cam_data_reset = lsu_nonblock_load_data_valid | lsu_nonblock_load_data_error; + assign cam_data_reset_tag[NBLOAD_TAG_MSB:0] = lsu_nonblock_load_data_tag[NBLOAD_TAG_MSB:0]; + + assign nonblock_load_rd[4:0] = (x_d.i0load) ? x_d.i0rd[4:0] : 5'b0; // rd data + + + // checks + + + + + // case of multiple loads to same dest ie. x1 ... you have to invalidate the older one + + for (genvar i=0; i<NBLOAD_SIZE; i++) begin : cam_array + + assign cam_inv_reset_val[i] = cam_inv_reset & (cam_inv_reset_tag[NBLOAD_TAG_MSB:0] == cam[i].tag[NBLOAD_TAG_MSB:0]) & cam[i].valid; + + assign cam_data_reset_val[i] = cam_data_reset & (cam_data_reset_tag[NBLOAD_TAG_MSB:0] == cam_raw[i].tag[NBLOAD_TAG_MSB:0]) & cam_raw[i].valid; + + always_comb begin + + cam[i] = cam_raw[i]; + + if (cam_data_reset_val[i]) + cam[i].valid = 1'b0; + + cam_in[i] = '0; + + if (cam_wen[i]) begin + cam_in[i].valid = 1'b1; + cam_in[i].wb = 1'b0; + cam_in[i].tag[NBLOAD_TAG_MSB:0] = cam_write_tag[NBLOAD_TAG_MSB:0]; + cam_in[i].rd[4:0] = nonblock_load_rd[4:0]; + end + else if ( (cam_inv_reset_val[i]) | + (i0_wen_r & (r_d_in.i0rd[4:0] == cam[i].rd[4:0]) & cam[i].wb) ) + cam_in[i].valid = 1'b0; + else + cam_in[i] = cam[i]; + + if (nonblock_load_valid_m_delay & (lsu_nonblock_load_inv_tag_r[NBLOAD_TAG_MSB:0]==cam[i].tag[NBLOAD_TAG_MSB:0]) & cam[i].valid) + cam_in[i].wb = 1'b1; + + // force debug halt forces cam valids to 0; highest priority + if (dec_tlu_force_halt) + cam_in[i].valid = 1'b0; + end + + + rvdffie #( $bits(eb1_load_cam_pkt_t) ) cam_ff (.*, .din(cam_in[i]), .dout(cam_raw[i])); + + + assign nonblock_load_write[i] = (load_data_tag[NBLOAD_TAG_MSB:0] == cam_raw[i].tag[NBLOAD_TAG_MSB:0]) & cam_raw[i].valid; + + +end : cam_array + + + + assign load_data_tag[NBLOAD_TAG_MSB:0] = lsu_nonblock_load_data_tag[NBLOAD_TAG_MSB:0]; + + + + assign nonblock_load_cancel = ((r_d_in.i0rd[4:0] == dec_nonblock_load_waddr[4:0]) & i0_wen_r); // cancel if any younger inst (including another nonblock) committing this cycle + + + assign dec_nonblock_load_wen = lsu_nonblock_load_data_valid & |nonblock_load_write[NBLOAD_SIZE_MSB:0] & ~nonblock_load_cancel; + + always_comb begin + + dec_nonblock_load_waddr[4:0] = '0; + i0_nonblock_load_stall = i0_nonblock_boundary_stall; + + for (int i=0; i<NBLOAD_SIZE; i++) begin + dec_nonblock_load_waddr[4:0] |= ({5{nonblock_load_write[i]}} & cam[i].rd[4:0]); + i0_nonblock_load_stall |= dec_i0_rs1_en_d & cam[i].valid & (cam[i].rd[4:0] == i0r.rs1[4:0]); + i0_nonblock_load_stall |= dec_i0_rs2_en_d & cam[i].valid & (cam[i].rd[4:0] == i0r.rs2[4:0]); + end + + end + + assign i0_nonblock_boundary_stall = ((nonblock_load_rd[4:0]==i0r.rs1[4:0]) & lsu_nonblock_load_valid_m & dec_i0_rs1_en_d) | + ((nonblock_load_rd[4:0]==i0r.rs2[4:0]) & lsu_nonblock_load_valid_m & dec_i0_rs2_en_d); + + + +// don't writeback a nonblock load + + rvdffs #(1) wbnbloaddelayff (.*, .clk(active_clk), .en(i0_r_ctl_en ), .din(lsu_nonblock_load_valid_m), .dout(nonblock_load_valid_m_delay) ); + + assign i0_load_kill_wen_r = nonblock_load_valid_m_delay & r_d.i0load; + + + +// end non block load cam logic + +// pmu start + + + + + assign csr_read = csr_ren_qual_d; + assign csr_write = dec_csr_wen_unq_d; + + assign i0_br_unpred = i0_dp.jal & ~i0_predict_br; + + // the classes must be mutually exclusive with one another + + always_comb begin + i0_itype = NULL; + + if (i0_legal_decode_d) begin + if (i0_dp.mul) i0_itype = MUL; + if (i0_dp.load) i0_itype = LOAD; + if (i0_dp.store) i0_itype = STORE; + if (i0_dp.pm_alu) i0_itype = ALU; + if (i0_dp.zbb | i0_dp.zbs | + i0_dp.zbe | i0_dp.zbc | + i0_dp.zbp | i0_dp.zbr | + i0_dp.zbf | i0_dp.zba) + i0_itype = BITMANIPU; + if ( csr_read & ~csr_write) i0_itype = CSRREAD; + if (~csr_read & csr_write) i0_itype = CSRWRITE; + if ( csr_read & csr_write) i0_itype = CSRRW; + if (i0_dp.ebreak) i0_itype = EBREAK; + if (i0_dp.ecall) i0_itype = ECALL; + if (i0_dp.fence) i0_itype = FENCE; + if (i0_dp.fence_i) i0_itype = FENCEI; // fencei will set this even with fence attribute + if (i0_dp.mret) i0_itype = MRET; + if (i0_dp.condbr) i0_itype = CONDBR; + if (i0_dp.jal) i0_itype = JAL; + end + end + + + + + +// end pmu + + + eb1_dec_dec_ctl i0_dec (.inst(i0[31:0]),.out(i0_dp_raw)); + + + + rvdff #(1) lsu_idle_ff (.*, .clk(active_clk), .din(lsu_idle_any), .dout(lsu_idle)); + + + + assign leak1_i1_stall_in = (dec_tlu_flush_leak_one_r | (leak1_i1_stall & ~dec_tlu_flush_lower_r)); + + + assign leak1_mode = leak1_i1_stall; + + assign leak1_i0_stall_in = ((dec_i0_decode_d & leak1_i1_stall) | (leak1_i0_stall & ~dec_tlu_flush_lower_r)); + + + + + // 12b jal's can be predicted - these are calls + + assign i0_pcall_imm[20:1] = {i0[31],i0[19:12],i0[20],i0[30:21]}; + + assign i0_pcall_12b_offset = (i0_pcall_imm[12]) ? (i0_pcall_imm[20:13] == 8'hff) : (i0_pcall_imm[20:13] == 8'h0); + + assign i0_pcall_case = i0_pcall_12b_offset & i0_dp_raw.imm20 & (i0r.rd[4:0] == 5'd1 | i0r.rd[4:0] == 5'd5); + assign i0_pja_case = i0_pcall_12b_offset & i0_dp_raw.imm20 & ~(i0r.rd[4:0] == 5'd1 | i0r.rd[4:0] == 5'd5); + + assign i0_pcall_raw = i0_dp_raw.jal & i0_pcall_case; // this includes ja + assign i0_pcall = i0_dp.jal & i0_pcall_case; + + assign i0_pja_raw = i0_dp_raw.jal & i0_pja_case; + assign i0_pja = i0_dp.jal & i0_pja_case; + + + assign i0_br_offset[11:0] = (i0_pcall_raw | i0_pja_raw) ? i0_pcall_imm[12:1] : {i0[31],i0[7],i0[30:25],i0[11:8]}; + + assign i0_pret_case = (i0_dp_raw.jal & i0_dp_raw.imm12 & (i0r.rd[4:0] == 5'b0) & (i0r.rs1[4:0] == 5'd1 | i0r.rs1[4:0] == 5'd5)); // jalr with rd==0, rs1==1 or rs1==5 is a ret + + assign i0_pret_raw = i0_dp_raw.jal & i0_pret_case; + assign i0_pret = i0_dp.jal & i0_pret_case; + + assign i0_jal = i0_dp.jal & ~i0_pcall_case & ~i0_pja_case & ~i0_pret_case; + + // lsu stuff + // load/store mutually exclusive + assign dec_lsu_offset_d[11:0] = ({12{ ~dec_extint_stall & i0_dp.lsu & i0_dp.load}} & i0[31:20]) | + ({12{ ~dec_extint_stall & i0_dp.lsu & i0_dp.store}} & {i0[31:25],i0[11:7]}); + + + + assign div_p.valid = div_decode_d; + + assign div_p.unsign = i0_dp.unsign; + assign div_p.rem = i0_dp.rem; + + + assign mul_p.valid = mul_decode_d; + + assign mul_p.rs1_sign = i0_dp.rs1_sign; + assign mul_p.rs2_sign = i0_dp.rs2_sign; + assign mul_p.low = i0_dp.low; + assign mul_p.bext = i0_dp.bext; + assign mul_p.bdep = i0_dp.bdep; + assign mul_p.clmul = i0_dp.clmul; + assign mul_p.clmulh = i0_dp.clmulh; + assign mul_p.clmulr = i0_dp.clmulr; + assign mul_p.grev = i0_dp.grev; + assign mul_p.gorc = i0_dp.gorc; + assign mul_p.shfl = i0_dp.shfl; + assign mul_p.unshfl = i0_dp.unshfl; + assign mul_p.crc32_b = i0_dp.crc32_b; + assign mul_p.crc32_h = i0_dp.crc32_h; + assign mul_p.crc32_w = i0_dp.crc32_w; + assign mul_p.crc32c_b = i0_dp.crc32c_b; + assign mul_p.crc32c_h = i0_dp.crc32c_h; + assign mul_p.crc32c_w = i0_dp.crc32c_w; + assign mul_p.bfp = i0_dp.bfp; + + always_comb begin + lsu_p = '0; + + if (dec_extint_stall) begin + lsu_p.load = 1'b1; + lsu_p.word = 1'b1; + lsu_p.fast_int = 1'b1; + lsu_p.valid = 1'b1; + end + else begin + lsu_p.valid = lsu_decode_d; + + lsu_p.load = i0_dp.load ; + lsu_p.store = i0_dp.store; + lsu_p.by = i0_dp.by ; + lsu_p.half = i0_dp.half ; + lsu_p.word = i0_dp.word ; + lsu_p.stack = (i0r.rs1[4:0]==5'd2); // stack reference + + lsu_p.load_ldst_bypass_d = load_ldst_bypass_d ; + lsu_p.store_data_bypass_d = store_data_bypass_d; + lsu_p.store_data_bypass_m = store_data_bypass_m; + + lsu_p.unsign = i0_dp.unsign; + end + end + + + assign dec_lsu_valid_raw_d = (i0_valid_d & (i0_dp_raw.load | i0_dp_raw.store) & ~dma_dccm_stall_any & ~i0_block_raw_d) | dec_extint_stall; + + + + assign i0r.rs1[4:0] = i0[19:15]; + assign i0r.rs2[4:0] = i0[24:20]; + assign i0r.rd[4:0] = i0[11:7]; + + + assign dec_i0_rs1_en_d = (i0_dp.rs1 & (i0r.rs1[4:0] != 5'd0)); // if rs1_en=0 then read will be all 0's + assign dec_i0_rs2_en_d = (i0_dp.rs2 & (i0r.rs2[4:0] != 5'd0)); + assign i0_rd_en_d = (i0_dp.rd & (i0r.rd[4:0] != 5'd0)); + + assign dec_i0_rs1_d[4:0] = i0r.rs1[4:0]; + assign dec_i0_rs2_d[4:0] = i0r.rs2[4:0]; + + + assign i0_jalimm20 = i0_dp.jal & i0_dp.imm20; // jal + assign i0_uiimm20 = ~i0_dp.jal & i0_dp.imm20; + + + // csr logic + + assign dec_csr_ren_d = i0_dp.csr_read & i0_valid_d; + assign csr_ren_qual_d = i0_dp.csr_read & i0_legal_decode_d; + + assign csr_clr_d = i0_dp.csr_clr & i0_legal_decode_d; + assign csr_set_d = i0_dp.csr_set & i0_legal_decode_d; + assign csr_write_d = i0_csr_write & i0_legal_decode_d; + + assign i0_csr_write_only_d = i0_csr_write & ~i0_dp.csr_read; + + assign dec_csr_wen_unq_d = (i0_dp.csr_clr | i0_dp.csr_set | i0_csr_write) & i0_valid_d; // for csr legal, can't write read-only csr + + assign dec_csr_any_unq_d = any_csr_d & i0_valid_d; + + + assign dec_csr_rdaddr_d[11:0] = {12{dec_csr_any_unq_d}} & i0[31:20]; + assign dec_csr_wraddr_r[11:0] = {12{r_d.csrwen & r_d.i0valid}} & r_d.csrwaddr[11:0]; + + + // make sure csr doesn't write same cycle as dec_tlu_flush_lower_wb + // also use valid so it's flushable + assign dec_csr_wen_r = r_d.csrwen & r_d.i0valid & ~dec_tlu_i0_kill_writeb_r; + + // If we are writing MIE or MSTATUS, hold off the external interrupt for a cycle on the write. + assign dec_csr_stall_int_ff = ((r_d.csrwaddr[11:0] == 12'h300) | (r_d.csrwaddr[11:0] == 12'h304)) & r_d.csrwen & r_d.i0valid & ~dec_tlu_i0_kill_writeb_wb; + + + rvdff #(5) csrmiscff (.*, + .clk (active_clk), + .din ({csr_ren_qual_d, csr_clr_d, csr_set_d, csr_write_d, i0_dp.csr_imm}), + .dout({csr_read_x, csr_clr_x, csr_set_x, csr_write_x, csr_imm_x}) + ); + + + + + // perform the update operation if any + + rvdffe #(37) csr_rddata_x_ff (.*, .en(i0_x_data_en & any_csr_d), .din( {i0[19:15],dec_csr_rddata_d[31:0]}), .dout({csrimm_x[4:0],csr_rddata_x[31:0]})); + + + assign csr_mask_x[31:0] = ({32{ csr_imm_x}} & {27'b0,csrimm_x[4:0]}) | + ({32{~csr_imm_x}} & exu_csr_rs1_x[31:0] ); + + + assign write_csr_data_x[31:0] = ({32{csr_clr_x}} & (csr_rddata_x[31:0] & ~csr_mask_x[31:0])) | + ({32{csr_set_x}} & (csr_rddata_x[31:0] | csr_mask_x[31:0])) | + ({32{csr_write_x}} & ( csr_mask_x[31:0])); + + +// pause instruction + + + + + assign clear_pause = (dec_tlu_flush_lower_r & ~dec_tlu_flush_pause_r) | + (pause_state & (write_csr_data[31:1] == 31'b0)); // if 0 or 1 then exit pause state - 1 cycle pause + + assign pause_state_in = (dec_tlu_wr_pause_r | pause_state) & ~clear_pause; + + + + assign dec_pause_state = pause_state; + + + + assign dec_pause_state_cg = pause_state & ~tlu_wr_pause_r1 & ~tlu_wr_pause_r2; + +// end pause + + + assign csr_data_wen = ((csr_clr_x | csr_set_x | csr_write_x) & csr_read_x) | dec_tlu_wr_pause_r | pause_state; + + assign write_csr_data_in[31:0] = (pause_state) ? (write_csr_data[31:0] - 32'b1) : + (dec_tlu_wr_pause_r) ? dec_csr_wrdata_r[31:0] : write_csr_data_x[31:0]; + + // will hold until write-back at which time the CSR will be updated while GPR is possibly written with prior CSR + rvdffe #(32) write_csr_ff (.*, .clk(free_l2clk), .en(csr_data_wen), .din(write_csr_data_in[31:0]), .dout(write_csr_data[31:0])); + + assign pause_stall = pause_state; + + // for csr write only data is produced by the alu + assign dec_csr_wrdata_r[31:0] = (r_d.csrwonly & r_d.i0valid) ? i0_result_corr_r[31:0] : write_csr_data[31:0]; + + + + assign dec_i0_immed_d[31:0] = i0_immed_d[31:0]; + + assign i0_immed_d[31:0] = ({32{i0_dp.imm12}} & { {20{i0[31]}},i0[31:20] }) | // jalr + ({32{i0_dp.shimm5}} & { 27'b0, i0[24:20] }) | + ({32{i0_jalimm20}} & { {12{i0[31]}},i0[19:12],i0[20],i0[30:21],1'b0}) | + ({32{i0_uiimm20}} & { i0[31:12],12'b0 }) | + ({32{i0_csr_write_only_d & i0_dp.csr_imm}} & { 27'b0, i0[19:15]}); // for csr's that only write csr, dont read csr + + + // all conditional branches are currently predict_nt + // change this to generate the sequential address for all other cases for NPC requirements at commit + assign dec_i0_br_immed_d[12:1] = (i0_ap.predict_nt & ~i0_dp.jal) ? i0_br_offset[11:0] : {10'b0,i0_ap_pc4,i0_ap_pc2}; + + + assign last_br_immed_d[12:1] = ((i0_ap.predict_nt) ? {10'b0,i0_ap_pc4,i0_ap_pc2} : i0_br_offset[11:0] ); + + assign i0_valid_d = dec_ib0_valid_d; + + // load_stall includes bus_barrier + + assign i0_load_stall_d = (i0_dp.load ) & (lsu_load_stall_any | dma_dccm_stall_any); + + assign i0_store_stall_d = i0_dp.store & (lsu_store_stall_any | dma_dccm_stall_any); + + + +// some CSR reads need to be presync'd + assign i0_presync = i0_dp.presync | dec_tlu_presync_d | debug_fence_i | debug_fence_raw | dec_tlu_pipelining_disable; // both fence's presync + +// some CSR writes need to be postsync'd + assign i0_postsync = i0_dp.postsync | dec_tlu_postsync_d | debug_fence_i | // only fence_i postsync + (i0_csr_write_only_d & (i0[31:20] == 12'h7c2)); // wr_pause must postsync + + +// debug fence csr + assign debug_fence_i = dec_debug_fence_d & dbg_cmd_wrdata[0]; + assign debug_fence_raw = dec_debug_fence_d & dbg_cmd_wrdata[1]; + + assign debug_fence = debug_fence_raw | debug_fence_i; // fence_i causes a fence + + assign i0_csr_write = i0_dp.csr_write & ~dec_debug_fence_d; +// end debug + + + // lets make ebreak, ecall, mret postsync, so break sync into pre and post + + assign presync_stall = (i0_presync & prior_inflight_eff); + + assign prior_inflight_eff = (i0_dp.div) ? prior_inflight_x : prior_inflight; + + assign i0_div_prior_div_stall = i0_dp.div & div_active; + + // Raw block has everything excepts the stalls coming from the lsu + assign i0_block_raw_d = (i0_dp.csr_read & prior_csr_write) | + dec_extint_stall | + pause_stall | + leak1_i0_stall | + dec_tlu_debug_stall | + postsync_stall | + presync_stall | + ((i0_dp.fence | debug_fence) & ~lsu_idle) | + i0_nonblock_load_stall | + i0_load_block_d | + i0_nonblock_div_stall | + i0_div_prior_div_stall; + + assign i0_block_d = i0_block_raw_d | i0_store_stall_d | i0_load_stall_d; + assign i0_exublock_d = i0_block_raw_d; + + + // block reads if there is a prior csr write in the pipeline + assign prior_csr_write = x_d.csrwonly | + r_d.csrwonly | + wbd.csrwonly; + + + + if (pt.BITMANIP_ZBB == 1) + assign bitmanip_zbb_legal = 1'b1; + else + assign bitmanip_zbb_legal = ~(i0_dp.zbb & ~i0_dp.zbp); + + if (pt.BITMANIP_ZBS == 1) + assign bitmanip_zbs_legal = 1'b1; + else + assign bitmanip_zbs_legal = ~i0_dp.zbs; + + if (pt.BITMANIP_ZBE == 1) + assign bitmanip_zbe_legal = 1'b1; + else + assign bitmanip_zbe_legal = ~i0_dp.zbe; + + if (pt.BITMANIP_ZBC == 1) + assign bitmanip_zbc_legal = 1'b1; + else + assign bitmanip_zbc_legal = ~i0_dp.zbc; + + if (pt.BITMANIP_ZBP == 1) + assign bitmanip_zbp_legal = 1'b1; + else + assign bitmanip_zbp_legal = ~(i0_dp.zbp & ~i0_dp.zbb); + + if (pt.BITMANIP_ZBR == 1) + assign bitmanip_zbr_legal = 1'b1; + else + assign bitmanip_zbr_legal = ~i0_dp.zbr; + + if (pt.BITMANIP_ZBF == 1) + assign bitmanip_zbf_legal = 1'b1; + else + assign bitmanip_zbf_legal = ~i0_dp.zbf; + + if (pt.BITMANIP_ZBA == 1) + assign bitmanip_zba_legal = 1'b1; + else + assign bitmanip_zba_legal = ~i0_dp.zba; + + if ( (pt.BITMANIP_ZBB == 1) | (pt.BITMANIP_ZBP == 1) ) + assign bitmanip_zbb_zbp_legal = 1'b1; + else + assign bitmanip_zbb_zbp_legal = ~(i0_dp.zbb & i0_dp.zbp); + + + assign any_csr_d = i0_dp.csr_read | i0_csr_write; + assign bitmanip_legal = bitmanip_zbb_legal & bitmanip_zbs_legal & bitmanip_zbe_legal & bitmanip_zbc_legal & bitmanip_zbp_legal & bitmanip_zbr_legal & bitmanip_zbf_legal & bitmanip_zba_legal & bitmanip_zbb_zbp_legal; + + assign i0_legal = (i0_dp.legal) & (~any_csr_d | dec_csr_legal_d) & bitmanip_legal; + + + + // illegal inst handling + + + assign shift_illegal = dec_i0_decode_d & ~i0_legal; + + assign illegal_inst_en = shift_illegal & ~illegal_lockout; + + rvdffe #(32) illegal_any_ff (.*, .en(illegal_inst_en), .din(i0_inst_d[31:0]), .dout(dec_illegal_inst[31:0])); + + assign illegal_lockout_in = (shift_illegal | illegal_lockout) & ~flush_final_r; + + + + // allow illegals to flow down the pipe + assign dec_i0_decode_d = i0_valid_d & ~i0_block_d & ~dec_tlu_flush_lower_r & ~flush_final_r; + assign i0_exudecode_d = i0_valid_d & ~i0_exublock_d & ~dec_tlu_flush_lower_r & ~flush_final_r; + + // define i0 legal decode + assign i0_legal_decode_d = dec_i0_decode_d & i0_legal; + assign i0_exulegal_decode_d = i0_exudecode_d & i0_legal; + + + // performance monitor signals + assign dec_pmu_instr_decoded = dec_i0_decode_d; + + assign dec_pmu_decode_stall = i0_valid_d & ~dec_i0_decode_d; + + assign dec_pmu_postsync_stall = postsync_stall & i0_valid_d; + assign dec_pmu_presync_stall = presync_stall & i0_valid_d; + + + + // illegals will postsync + assign ps_stall_in = ( dec_i0_decode_d & (i0_postsync | ~i0_legal) ) | + ( ps_stall & prior_inflight_x ); + + + + assign postsync_stall = ps_stall; + + + assign prior_inflight_x = x_d.i0valid; + assign prior_inflight_wb = r_d.i0valid; + + assign prior_inflight = prior_inflight_x | prior_inflight_wb; + + assign dec_i0_alu_decode_d = i0_exulegal_decode_d & i0_dp.alu; + assign dec_i0_branch_d = i0_dp.condbr | i0_dp.jal | i0_br_error_all; + + assign lsu_decode_d = i0_legal_decode_d & i0_dp.lsu; + assign mul_decode_d = i0_exulegal_decode_d & i0_dp.mul; + assign div_decode_d = i0_exulegal_decode_d & i0_dp.div; + + assign dec_qual_lsu_d = i0_dp.lsu; + + + + + +// scheduling logic for alu + + assign i0_rs1_depend_i0_x = dec_i0_rs1_en_d & x_d.i0v & (x_d.i0rd[4:0] == i0r.rs1[4:0]); + assign i0_rs1_depend_i0_r = dec_i0_rs1_en_d & r_d.i0v & (r_d.i0rd[4:0] == i0r.rs1[4:0]); + + assign i0_rs2_depend_i0_x = dec_i0_rs2_en_d & x_d.i0v & (x_d.i0rd[4:0] == i0r.rs2[4:0]); + assign i0_rs2_depend_i0_r = dec_i0_rs2_en_d & r_d.i0v & (r_d.i0rd[4:0] == i0r.rs2[4:0]); + + +// order the producers as follows: , i0_x, i0_r, i0_wb + + assign {i0_rs1_class_d, i0_rs1_depth_d[1:0]} = (i0_rs1_depend_i0_x ) ? { i0_x_c, 2'd1 } : + (i0_rs1_depend_i0_r ) ? { i0_r_c, 2'd2 } : '0; + + assign {i0_rs2_class_d, i0_rs2_depth_d[1:0]} = (i0_rs2_depend_i0_x ) ? { i0_x_c, 2'd1 } : + (i0_rs2_depend_i0_r ) ? { i0_r_c, 2'd2 } : '0; + + +// stores will bypass load data in the lsu pipe + + if (pt.LOAD_TO_USE_PLUS1 == 1) begin : genblock + assign i0_load_block_d = (i0_rs1_class_d.load & i0_rs1_depth_d[0]) | + (i0_rs2_class_d.load & i0_rs2_depth_d[0] & ~i0_dp.store); + + assign load_ldst_bypass_d = (i0_dp.load | i0_dp.store) & i0_rs1_depth_d[1] & i0_rs1_class_d.load; + + assign store_data_bypass_d = i0_dp.store & i0_rs2_depth_d[1] & i0_rs2_class_d.load; + + assign store_data_bypass_m = i0_dp.store & i0_rs2_depth_d[0] & i0_rs2_class_d.load; + end + else begin : genblock + + assign i0_load_block_d = 1'b0; + + assign load_ldst_bypass_d = (i0_dp.load | i0_dp.store) & i0_rs1_depth_d[0] & i0_rs1_class_d.load; + + assign store_data_bypass_d = i0_dp.store & i0_rs2_depth_d[0] & i0_rs2_class_d.load; + + assign store_data_bypass_m = 1'b0; + end + + + + + + + assign dec_tlu_i0_valid_r = r_d.i0valid & ~dec_tlu_flush_lower_wb; + + + assign d_t.legal = i0_legal_decode_d; + assign d_t.icaf = i0_icaf_d & i0_legal_decode_d; // dbecc is icaf exception + assign d_t.icaf_second = dec_i0_icaf_second_d & i0_legal_decode_d; // this includes icaf and dbecc + assign d_t.icaf_type[1:0] = dec_i0_icaf_type_d[1:0]; + + assign d_t.fence_i = (i0_dp.fence_i | debug_fence_i) & i0_legal_decode_d; + +// put pmu info into the trap packet + assign d_t.pmu_i0_itype = i0_itype; + assign d_t.pmu_i0_br_unpred = i0_br_unpred; + assign d_t.pmu_divide = 1'b0; + assign d_t.pmu_lsu_misaligned = 1'b0; + + assign d_t.i0trigger[3:0] = dec_i0_trigger_match_d[3:0] & {4{dec_i0_decode_d}}; + + + + rvdfflie #( .WIDTH($bits(eb1_trap_pkt_t)),.LEFT(9) ) trap_xff (.*, .en(i0_x_ctl_en), .din(d_t), .dout(x_t)); + + always_comb begin + x_t_in = x_t; + x_t_in.i0trigger[3:0] = x_t.i0trigger & ~{4{dec_tlu_flush_lower_wb}}; + end + + + rvdfflie #( .WIDTH($bits(eb1_trap_pkt_t)),.LEFT(9) ) trap_r_ff (.*, .en(i0_x_ctl_en), .din(x_t_in), .dout(r_t)); + + + always_comb begin + + r_t_in = r_t; + + r_t_in.i0trigger[3:0] = ({4{(r_d.i0load | r_d.i0store)}} & lsu_trigger_match_r[3:0]) | r_t.i0trigger[3:0]; + r_t_in.pmu_lsu_misaligned = lsu_pmu_misaligned_r; // only valid if a load/store is valid in DC3 stage + + if (dec_tlu_flush_lower_wb) r_t_in = '0 ; + + end + + + always_comb begin + + dec_tlu_packet_r = r_t_in; + dec_tlu_packet_r.pmu_divide = r_d.i0div & r_d.i0valid; + + end + + +// end tlu stuff + + + assign i0_d_c.mul = i0_dp.mul & i0_legal_decode_d; + assign i0_d_c.load = i0_dp.load & i0_legal_decode_d; + assign i0_d_c.alu = i0_dp.alu & i0_legal_decode_d; + + rvdffs #( $bits(eb1_class_pkt_t) ) i0_x_c_ff (.*, .en(i0_x_ctl_en), .clk(active_clk), .din(i0_d_c), .dout(i0_x_c)); + rvdffs #( $bits(eb1_class_pkt_t) ) i0_r_c_ff (.*, .en(i0_r_ctl_en), .clk(active_clk), .din(i0_x_c), .dout(i0_r_c)); + + + assign d_d.i0rd[4:0] = i0r.rd[4:0]; + assign d_d.i0v = i0_rd_en_d & i0_legal_decode_d; + assign d_d.i0valid = dec_i0_decode_d; // has flush_final_r + + assign d_d.i0load = i0_dp.load & i0_legal_decode_d; + assign d_d.i0store = i0_dp.store & i0_legal_decode_d; + assign d_d.i0div = i0_dp.div & i0_legal_decode_d; + + + assign d_d.csrwen = dec_csr_wen_unq_d & i0_legal_decode_d; + assign d_d.csrwonly = i0_csr_write_only_d & dec_i0_decode_d; + assign d_d.csrwaddr[11:0] = (d_d.csrwen) ? i0[31:20] : '0; // csr write address for rd==0 case + + + rvdff #(3) i0cgff (.*, .clk(active_clk), .din(i0_pipe_en[3:1]), .dout(i0_pipe_en[2:0])); + + assign i0_pipe_en[3] = dec_i0_decode_d; + + assign i0_x_ctl_en = (|i0_pipe_en[3:2] | clk_override); + assign i0_r_ctl_en = (|i0_pipe_en[2:1] | clk_override); + assign i0_wb_ctl_en = (|i0_pipe_en[1:0] | clk_override); + assign i0_x_data_en = ( i0_pipe_en[3] | clk_override); + assign i0_r_data_en = ( i0_pipe_en[2] | clk_override); + assign i0_wb_data_en = ( i0_pipe_en[1] | clk_override); + + assign dec_data_en[1:0] = {i0_x_data_en, i0_r_data_en}; + assign dec_ctl_en[1:0] = {i0_x_ctl_en, i0_r_ctl_en}; + + + + rvdfflie #( .WIDTH($bits(eb1_dest_pkt_t)),.LEFT(15) ) e1ff (.*, .en(i0_x_ctl_en), .din(d_d), .dout(x_d)); + + always_comb begin + x_d_in = x_d; + + x_d_in.i0v = x_d.i0v & ~dec_tlu_flush_lower_wb & ~dec_tlu_flush_lower_r; + x_d_in.i0valid = x_d.i0valid & ~dec_tlu_flush_lower_wb & ~dec_tlu_flush_lower_r; + end + + rvdfflie #( .WIDTH($bits(eb1_dest_pkt_t)), .LEFT(15) ) r_d_ff (.*, .en(i0_r_ctl_en), .din(x_d_in), .dout(r_d)); + + + always_comb begin + + r_d_in = r_d; + + + // for the bench + r_d_in.i0rd[4:0] = r_d.i0rd[4:0]; + + r_d_in.i0v = (r_d.i0v & ~dec_tlu_flush_lower_wb); + r_d_in.i0valid = (r_d.i0valid & ~dec_tlu_flush_lower_wb); + + r_d_in.i0load = r_d.i0load & ~dec_tlu_flush_lower_wb; + r_d_in.i0store = r_d.i0store & ~dec_tlu_flush_lower_wb; + + end + + + rvdfflie #(.WIDTH($bits(eb1_dest_pkt_t)), .LEFT(15)) wbff (.*, .en(i0_wb_ctl_en), .din(r_d_in), .dout(wbd)); + + assign dec_i0_waddr_r[4:0] = r_d_in.i0rd[4:0]; + + assign i0_wen_r = r_d_in.i0v & ~dec_tlu_i0_kill_writeb_r; + assign dec_i0_wen_r = i0_wen_r & ~r_d_in.i0div & ~i0_load_kill_wen_r; // don't write a nonblock load 1st time down the pipe + assign dec_i0_wdata_r[31:0] = i0_result_corr_r[31:0]; + + + // divide stuff + assign div_e1_to_r = (x_d.i0div & x_d.i0valid) | + (r_d.i0div & r_d.i0valid); + + assign div_active_in = i0_div_decode_d | (div_active & ~exu_div_wren & ~nonblock_div_cancel); + + + assign dec_div_active = div_active; + + // nonblocking div scheme + + assign i0_nonblock_div_stall = (dec_i0_rs1_en_d & div_active & (div_waddr_wb[4:0] == i0r.rs1[4:0])) | + (dec_i0_rs2_en_d & div_active & (div_waddr_wb[4:0] == i0r.rs2[4:0])); + + + assign div_flush = (x_d.i0div & x_d.i0valid & (x_d.i0rd[4:0]==5'b0) ) | + (x_d.i0div & x_d.i0valid & dec_tlu_flush_lower_r ) | + (r_d.i0div & r_d.i0valid & dec_tlu_flush_lower_r & dec_tlu_i0_kill_writeb_r); + + + // cancel if any younger inst committing this cycle to same dest as nonblock divide + assign nonblock_div_cancel = (div_active & div_flush) | + (div_active & ~div_e1_to_r & (r_d.i0rd[4:0] == div_waddr_wb[4:0]) & i0_wen_r); + + assign dec_div_cancel = nonblock_div_cancel; + + + + assign i0_div_decode_d = i0_legal_decode_d & i0_dp.div; + +// for load_to_use_plus1, the load result data is merged in R stage instead of D + + if ( pt.LOAD_TO_USE_PLUS1 == 1 ) begin : genblock1 + assign i0_result_x[31:0] = exu_i0_result_x[31:0]; + assign i0_result_r[31:0] = (r_d.i0v & r_d.i0load) ? lsu_result_m[31:0] : i0_result_r_raw[31:0]; + end + else begin : genblock1 + assign i0_result_x[31:0] = (x_d.i0v & x_d.i0load) ? lsu_result_m[31:0] : exu_i0_result_x[31:0]; + assign i0_result_r[31:0] = i0_result_r_raw[31:0]; + end + + + rvdffe #(32) i0_result_r_ff (.*, .en(i0_r_data_en & (x_d.i0v | x_d.csrwen | debug_valid_x)), .din(i0_result_x[31:0]), .dout(i0_result_r_raw[31:0])); + + // correct lsu load data - don't use for bypass, do pass down the pipe + assign i0_result_corr_r[31:0] = (r_d.i0v & r_d.i0load) ? lsu_result_corr_r[31:0] : i0_result_r_raw[31:0]; + + + rvdffe #(12) e1brpcff (.*, .en(i0_x_data_en), .din(last_br_immed_d[12:1] ), .dout(last_br_immed_x[12:1])); + + + + assign i0_wb_en = i0_wb_data_en; + + assign i0_inst_wb_in[31:0] = i0_inst_r[31:0]; + assign i0_inst_d[31:0] = (dec_i0_pc4_d) ? i0[31:0] : {16'b0, ifu_i0_cinst[15:0]}; + + + assign trace_enable = ~dec_tlu_trace_disable; + + + rvdffe #(.WIDTH(5),.OVERRIDE(1)) i0rdff (.*, .en(i0_div_decode_d), .din(i0r.rd[4:0]), .dout(div_waddr_wb[4:0])); + + rvdffe #(32) i0xinstff (.*, .en(i0_x_data_en & trace_enable), .din(i0_inst_d[31:0]), .dout(i0_inst_x[31:0])); + rvdffe #(32) i0cinstff (.*, .en(i0_r_data_en & trace_enable), .din(i0_inst_x[31:0]), .dout(i0_inst_r[31:0])); + + rvdffe #(32) i0wbinstff (.*, .en(i0_wb_en & trace_enable), .din(i0_inst_wb_in[31:0]), .dout(i0_inst_wb[31:0])); + rvdffe #(31) i0wbpcff (.*, .en(i0_wb_en & trace_enable), .din(dec_tlu_i0_pc_r[31:1]), .dout( i0_pc_wb[31:1])); + + assign dec_i0_inst_wb[31:0] = i0_inst_wb[31:0]; + assign dec_i0_pc_wb[31:1] = i0_pc_wb[31:1]; + + + + rvdffpcie #(31) i0_pc_r_ff (.*, .en(i0_r_data_en), .din(exu_i0_pc_x[31:1]), .dout(dec_i0_pc_r[31:1])); + + assign dec_tlu_i0_pc_r[31:1] = dec_i0_pc_r[31:1]; + + + rvbradder ibradder_correct ( + .pc(exu_i0_pc_x[31:1]), + .offset(last_br_immed_x[12:1]), + .dout(pred_correct_npc_x[31:1])); + + + + // add nonblock load rs1/rs2 bypass cases + + assign i0_rs1_nonblock_load_bypass_en_d = dec_i0_rs1_en_d & dec_nonblock_load_wen & (dec_nonblock_load_waddr[4:0] == i0r.rs1[4:0]); + + assign i0_rs2_nonblock_load_bypass_en_d = dec_i0_rs2_en_d & dec_nonblock_load_wen & (dec_nonblock_load_waddr[4:0] == i0r.rs2[4:0]); + + + + // bit 2 is priority match, bit 0 lowest priority, i0_x, i0_r + + assign i0_rs1bypass[2] = i0_rs1_depth_d[0] & (i0_rs1_class_d.alu | i0_rs1_class_d.mul ); + assign i0_rs1bypass[1] = i0_rs1_depth_d[0] & ( i0_rs1_class_d.load); + assign i0_rs1bypass[0] = i0_rs1_depth_d[1] & (i0_rs1_class_d.alu | i0_rs1_class_d.mul | i0_rs1_class_d.load); + + assign i0_rs2bypass[2] = i0_rs2_depth_d[0] & (i0_rs2_class_d.alu | i0_rs2_class_d.mul ); + assign i0_rs2bypass[1] = i0_rs2_depth_d[0] & ( i0_rs2_class_d.load); + assign i0_rs2bypass[0] = i0_rs2_depth_d[1] & (i0_rs2_class_d.alu | i0_rs2_class_d.mul | i0_rs2_class_d.load); + + + assign dec_i0_rs1_bypass_en_d[3] = i0_rs1_nonblock_load_bypass_en_d & ~i0_rs1bypass[0] & ~i0_rs1bypass[1] & ~i0_rs1bypass[2]; + assign dec_i0_rs1_bypass_en_d[2] = i0_rs1bypass[2]; + assign dec_i0_rs1_bypass_en_d[1] = i0_rs1bypass[1]; + assign dec_i0_rs1_bypass_en_d[0] = i0_rs1bypass[0]; + + assign dec_i0_rs2_bypass_en_d[3] = i0_rs2_nonblock_load_bypass_en_d & ~i0_rs2bypass[0] & ~i0_rs2bypass[1] & ~i0_rs2bypass[2]; + assign dec_i0_rs2_bypass_en_d[2] = i0_rs2bypass[2]; + assign dec_i0_rs2_bypass_en_d[1] = i0_rs2bypass[1]; + assign dec_i0_rs2_bypass_en_d[0] = i0_rs2bypass[0]; + + + assign dec_i0_result_r[31:0] = i0_result_r[31:0]; + + +endmodule // eb1_dec_decode_ctl + + + + + +// file "decode" is human readable file that has all of the instruction decodes defined and is part of git repo +// modify this file as needed + +// to generate all the equations below from "decode" except legal equation: + +// 1) coredecode -in decode > coredecode.e + +// 2) espresso -Dso -oeqntott coredecode.e | addassign -pre out. > equations + +// to generate the legal (32b instruction is legal) equation below: + +// 1) coredecode -in decode -legal > legal.e + +// 2) espresso -Dso -oeqntott legal.e | addassign -pre out. > legal_equation + +module eb1_dec_dec_ctl +import eb1_pkg::*; + ( + input logic [31:0] inst, + + output eb1_dec_pkt_t out + ); + + logic [31:0] i; + + + assign i[31:0] = inst[31:0]; + + +assign out.alu = (i[30]&i[24]&i[23]&!i[22]&!i[21]&!i[20]&i[14]&!i[5]&i[4]) | (i[29] + &!i[27]&!i[24]&i[4]) | (!i[25]&!i[13]&!i[12]&i[4]) | (!i[30]&!i[25] + &i[13]&i[12]) | (i[27]&i[25]&i[14]&i[4]) | (i[29]&i[27]&!i[14]&i[4]) | ( + i[29]&!i[14]&i[5]&i[4]) | (!i[27]&!i[25]&i[14]&i[4]) | (i[30]&!i[29] + &!i[13]&i[4]) | (!i[30]&!i[27]&!i[25]&i[4]) | (i[13]&!i[5]&i[4]) | ( + !i[12]&!i[5]&i[4]) | (i[2]) | (i[6]) | (i[30]&i[24]&i[23]&i[22]&i[21] + &i[20]&!i[5]&i[4]) | (!i[30]&i[29]&!i[24]&!i[23]&i[22]&i[21]&i[20] + &!i[5]&i[4]) | (!i[30]&i[24]&!i[23]&!i[22]&!i[21]&!i[20]&!i[5]&i[4]); + +assign out.rs1 = (!i[14]&!i[13]&!i[2]) | (!i[13]&i[11]&!i[2]) | (i[19]&i[13]&!i[2]) | ( + !i[13]&i[10]&!i[2]) | (i[18]&i[13]&!i[2]) | (!i[13]&i[9]&!i[2]) | ( + i[17]&i[13]&!i[2]) | (!i[13]&i[8]&!i[2]) | (i[16]&i[13]&!i[2]) | ( + !i[13]&i[7]&!i[2]) | (i[15]&i[13]&!i[2]) | (!i[4]&!i[3]) | (!i[6] + &!i[2]); + +assign out.rs2 = (i[5]&!i[4]&!i[2]) | (!i[6]&i[5]&!i[2]); + +assign out.imm12 = (!i[4]&!i[3]&i[2]) | (i[13]&!i[5]&i[4]&!i[2]) | (!i[13]&!i[12] + &i[6]&i[4]) | (!i[12]&!i[5]&i[4]&!i[2]); + +assign out.rd = (!i[5]&!i[2]) | (i[5]&i[2]) | (i[4]); + +assign out.shimm5 = (i[27]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | (!i[30]&!i[13]&i[12] + &!i[5]&i[4]&!i[2]) | (i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]); + +assign out.imm20 = (i[5]&i[3]) | (i[4]&i[2]); + +assign out.pc = (!i[5]&!i[3]&i[2]) | (i[5]&i[3]); + +assign out.load = (!i[5]&!i[4]&!i[2]); + +assign out.store = (!i[6]&i[5]&!i[4]); + +assign out.lsu = (!i[6]&!i[4]&!i[2]); + +assign out.add = (!i[14]&!i[13]&!i[12]&!i[5]&i[4]) | (!i[5]&!i[3]&i[2]) | (!i[30] + &!i[25]&!i[14]&!i[13]&!i[12]&!i[6]&i[4]&!i[2]); + +assign out.sub = (i[30]&!i[14]&!i[12]&!i[6]&i[5]&i[4]&!i[2]) | (!i[29]&!i[25]&!i[14] + &i[13]&!i[6]&i[4]&!i[2]) | (i[27]&i[25]&i[14]&!i[6]&i[5]&!i[2]) | ( + !i[14]&i[13]&!i[5]&i[4]&!i[2]) | (i[6]&!i[4]&!i[2]); + +assign out.land = (!i[27]&!i[25]&i[14]&i[13]&i[12]&!i[6]&!i[2]) | (i[14]&i[13]&i[12] + &!i[5]&!i[2]); + +assign out.lor = (!i[6]&i[3]) | (!i[29]&!i[27]&!i[25]&i[14]&i[13]&!i[12]&!i[6]&!i[2]) | ( + i[5]&i[4]&i[2]) | (!i[13]&!i[12]&i[6]&i[4]) | (i[14]&i[13]&!i[12] + &!i[5]&!i[2]); + +assign out.lxor = (!i[29]&!i[27]&!i[25]&i[14]&!i[13]&!i[12]&i[4]&!i[2]) | (i[14] + &!i[13]&!i[12]&!i[5]&i[4]&!i[2]); + +assign out.sll = (!i[29]&!i[27]&!i[25]&!i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.sra = (i[30]&!i[29]&!i[27]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.srl = (!i[30]&!i[29]&!i[27]&!i[25]&i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.slt = (!i[29]&!i[25]&!i[14]&i[13]&!i[6]&i[4]&!i[2]) | (!i[14]&i[13]&!i[5] + &i[4]&!i[2]); + +assign out.unsign = (!i[27]&i[25]&i[14]&i[12]&!i[6]&i[5]&!i[2]) | (!i[14]&i[13] + &i[12]&!i[5]&!i[2]) | (i[13]&i[6]&!i[4]&!i[2]) | (i[14]&!i[5]&!i[4]) | ( + !i[25]&!i[14]&i[13]&i[12]&!i[6]&!i[2]) | (i[27]&i[25]&i[14]&i[13] + &!i[6]&i[5]&!i[2]); + +assign out.condbr = (i[6]&!i[4]&!i[2]); + +assign out.beq = (!i[14]&!i[12]&i[6]&!i[4]&!i[2]); + +assign out.bne = (!i[14]&i[12]&i[6]&!i[4]&!i[2]); + +assign out.bge = (i[14]&i[12]&i[5]&!i[4]&!i[2]); + +assign out.blt = (i[14]&!i[12]&i[5]&!i[4]&!i[2]); + +assign out.jal = (i[6]&i[2]); + +assign out.by = (!i[13]&!i[12]&!i[6]&!i[4]&!i[2]); + +assign out.half = (i[12]&!i[6]&!i[4]&!i[2]); + +assign out.word = (i[13]&!i[6]&!i[4]); + +assign out.csr_read = (i[13]&i[6]&i[4]) | (i[7]&i[6]&i[4]) | (i[8]&i[6]&i[4]) | ( + i[9]&i[6]&i[4]) | (i[10]&i[6]&i[4]) | (i[11]&i[6]&i[4]); + +assign out.csr_clr = (i[15]&i[13]&i[12]&i[6]&i[4]) | (i[16]&i[13]&i[12]&i[6]&i[4]) | ( + i[17]&i[13]&i[12]&i[6]&i[4]) | (i[18]&i[13]&i[12]&i[6]&i[4]) | ( + i[19]&i[13]&i[12]&i[6]&i[4]); + +assign out.csr_set = (i[15]&!i[12]&i[6]&i[4]) | (i[16]&!i[12]&i[6]&i[4]) | (i[17] + &!i[12]&i[6]&i[4]) | (i[18]&!i[12]&i[6]&i[4]) | (i[19]&!i[12]&i[6] + &i[4]); + +assign out.csr_write = (!i[13]&i[12]&i[6]&i[4]); + +assign out.csr_imm = (i[14]&!i[13]&i[6]&i[4]) | (i[15]&i[14]&i[6]&i[4]) | (i[16] + &i[14]&i[6]&i[4]) | (i[17]&i[14]&i[6]&i[4]) | (i[18]&i[14]&i[6]&i[4]) | ( + i[19]&i[14]&i[6]&i[4]); + +assign out.presync = (!i[5]&i[3]) | (!i[13]&i[7]&i[6]&i[4]) | (!i[13]&i[8]&i[6]&i[4]) | ( + !i[13]&i[9]&i[6]&i[4]) | (!i[13]&i[10]&i[6]&i[4]) | (!i[13]&i[11] + &i[6]&i[4]) | (i[15]&i[13]&i[6]&i[4]) | (i[16]&i[13]&i[6]&i[4]) | ( + i[17]&i[13]&i[6]&i[4]) | (i[18]&i[13]&i[6]&i[4]) | (i[19]&i[13]&i[6] + &i[4]); + +assign out.postsync = (i[12]&!i[5]&i[3]) | (!i[22]&!i[13]&!i[12]&i[6]&i[4]) | ( + !i[13]&i[7]&i[6]&i[4]) | (!i[13]&i[8]&i[6]&i[4]) | (!i[13]&i[9]&i[6] + &i[4]) | (!i[13]&i[10]&i[6]&i[4]) | (!i[13]&i[11]&i[6]&i[4]) | ( + i[15]&i[13]&i[6]&i[4]) | (i[16]&i[13]&i[6]&i[4]) | (i[17]&i[13]&i[6] + &i[4]) | (i[18]&i[13]&i[6]&i[4]) | (i[19]&i[13]&i[6]&i[4]); + +assign out.ebreak = (!i[22]&i[20]&!i[13]&!i[12]&i[6]&i[4]); + +assign out.ecall = (!i[21]&!i[20]&!i[13]&!i[12]&i[6]&i[4]); + +assign out.mret = (i[29]&!i[13]&!i[12]&i[6]&i[4]); + +assign out.mul = (!i[30]&i[27]&i[24]&i[20]&i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | ( + i[29]&i[27]&!i[24]&i[23]&i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | ( + i[29]&i[27]&!i[24]&!i[20]&i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | ( + i[27]&!i[25]&i[13]&!i[12]&!i[6]&i[5]&i[4]&!i[2]) | (i[30]&i[27]&i[13] + &!i[6]&i[5]&i[4]&!i[2]) | (i[29]&i[27]&i[22]&!i[20]&i[14]&!i[13] + &i[12]&!i[5]&i[4]&!i[2]) | (i[29]&i[27]&!i[21]&i[20]&i[14]&!i[13] + &i[12]&!i[5]&i[4]&!i[2]) | (i[29]&i[27]&!i[22]&i[21]&i[14]&!i[13] + &i[12]&!i[5]&i[4]&!i[2]) | (i[30]&i[29]&i[27]&!i[23]&i[14]&!i[13] + &i[12]&!i[5]&i[4]&!i[2]) | (!i[30]&i[27]&i[23]&i[14]&!i[13]&i[12] + &!i[5]&i[4]&!i[2]) | (!i[30]&!i[29]&i[27]&!i[25]&!i[13]&i[12]&!i[6] + &i[4]&!i[2]) | (i[25]&!i[14]&!i[6]&i[5]&i[4]&!i[2]) | (i[30]&!i[27] + &i[24]&!i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | (i[29]&i[27]&i[14] + &!i[6]&i[5]&!i[2]); + +assign out.rs1_sign = (!i[27]&i[25]&!i[14]&i[13]&!i[12]&!i[6]&i[5]&i[4]&!i[2]) | ( + !i[27]&i[25]&!i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.rs2_sign = (!i[27]&i[25]&!i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.low = (i[25]&!i[14]&!i[13]&!i[12]&i[5]&i[4]&!i[2]); + +assign out.div = (!i[27]&i[25]&i[14]&!i[6]&i[5]&!i[2]); + +assign out.rem = (!i[27]&i[25]&i[14]&i[13]&!i[6]&i[5]&!i[2]); + +assign out.fence = (!i[5]&i[3]); + +assign out.fence_i = (i[12]&!i[5]&i[3]); + +assign out.clz = (i[30]&!i[27]&!i[24]&!i[22]&!i[21]&!i[20]&!i[14]&!i[13]&i[12]&!i[5] + &i[4]&!i[2]); + +assign out.ctz = (i[30]&!i[27]&!i[24]&!i[22]&i[20]&!i[14]&!i[13]&i[12]&!i[5]&i[4] + &!i[2]); + +assign out.pcnt = (i[30]&!i[27]&!i[24]&i[21]&!i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]); + +assign out.sext_b = (i[30]&!i[27]&i[22]&!i[20]&!i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]); + +assign out.sext_h = (i[30]&!i[27]&i[22]&i[20]&!i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]); + +assign out.slo = (!i[30]&i[29]&!i[27]&!i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.sro = (!i[30]&i[29]&!i[27]&i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.min = (i[27]&i[25]&i[14]&!i[12]&!i[6]&i[5]&!i[2]); + +assign out.max = (i[27]&i[25]&i[14]&i[12]&!i[6]&i[5]&!i[2]); + +assign out.pack = (!i[30]&i[27]&!i[25]&!i[13]&!i[12]&i[5]&i[4]&!i[2]); + +assign out.packu = (i[30]&i[27]&!i[13]&!i[12]&i[5]&i[4]&!i[2]); + +assign out.packh = (!i[30]&i[27]&!i[25]&i[13]&i[12]&!i[6]&i[5]&!i[2]); + +assign out.rol = (i[30]&!i[27]&!i[14]&i[12]&!i[6]&i[5]&i[4]&!i[2]); + +assign out.ror = (i[30]&i[29]&!i[27]&i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.zbb = (i[30]&!i[27]&!i[24]&!i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | ( + !i[30]&i[27]&i[14]&i[13]&i[12]&!i[6]&i[5]&!i[2]) | (i[30]&i[29]&!i[27] + &i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | (i[27]&!i[13]&!i[12]&i[5] + &i[4]&!i[2]) | (i[30]&i[14]&!i[13]&!i[12]&!i[6]&i[5]&!i[2]) | (i[30] + &!i[27]&i[13]&!i[6]&i[5]&i[4]&!i[2]) | (i[30]&i[29]&!i[27]&!i[6]&i[5] + &i[4]&!i[2]) | (i[30]&i[29]&i[24]&i[23]&i[22]&i[21]&i[20]&i[14]&!i[13] + &i[12]&!i[5]&i[4]&!i[2]) | (!i[30]&i[29]&i[27]&!i[24]&!i[23]&i[22] + &i[21]&i[20]&i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | (!i[30]&i[27] + &i[24]&!i[23]&!i[22]&!i[21]&!i[20]&i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | ( + i[30]&i[29]&i[24]&i[23]&!i[22]&!i[21]&!i[20]&i[14]&!i[13]&i[12]&!i[5] + &i[4]&!i[2]) | (i[27]&i[25]&i[14]&!i[6]&i[5]&!i[2]); + +assign out.sbset = (!i[30]&i[29]&i[27]&!i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.sbclr = (i[30]&!i[29]&!i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.sbinv = (i[30]&i[29]&i[27]&!i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.sbext = (i[30]&!i[29]&i[27]&i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.zbs = (i[29]&i[27]&!i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]) | (i[30]&!i[29] + &i[27]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.bext = (!i[30]&i[27]&!i[25]&i[13]&!i[12]&!i[6]&i[5]&i[4]&!i[2]); + +assign out.bdep = (i[30]&i[27]&i[13]&!i[12]&!i[6]&i[5]&i[4]&!i[2]); + +assign out.zbe = (i[27]&!i[25]&i[13]&!i[12]&!i[6]&i[5]&i[4]&!i[2]); + +assign out.clmul = (i[27]&i[25]&!i[14]&!i[13]&!i[6]&i[5]&i[4]&!i[2]); + +assign out.clmulh = (i[27]&!i[14]&i[13]&i[12]&!i[6]&i[5]&!i[2]); + +assign out.clmulr = (i[27]&!i[14]&!i[12]&!i[6]&i[5]&i[4]&!i[2]); + +assign out.zbc = (i[27]&i[25]&!i[14]&!i[6]&i[5]&i[4]&!i[2]); + +assign out.grev = (i[30]&i[29]&i[27]&i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.gorc = (!i[30]&i[29]&i[27]&i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.shfl = (!i[30]&!i[29]&i[27]&!i[25]&!i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.unshfl = (!i[30]&!i[29]&i[27]&!i[25]&i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.zbp = (!i[30]&i[29]&!i[27]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | (!i[30]&!i[29] + &i[27]&!i[13]&i[12]&!i[5]&i[4]&!i[2]) | (i[30]&!i[27]&i[13]&!i[6] + &i[5]&i[4]&!i[2]) | (i[27]&!i[25]&!i[13]&!i[12]&i[5]&i[4]&!i[2]) | ( + i[30]&i[14]&!i[13]&!i[12]&i[5]&i[4]&!i[2]) | (i[29]&!i[27]&i[12]&!i[6] + &i[5]&i[4]&!i[2]) | (!i[30]&!i[29]&i[27]&!i[25]&i[12]&!i[6]&i[5]&i[4] + &!i[2]) | (i[29]&i[14]&!i[13]&i[12]&!i[6]&i[4]&!i[2]); + +assign out.crc32_b = (i[30]&!i[27]&i[24]&!i[23]&!i[21]&!i[20]&!i[14]&!i[13]&i[12] + &!i[5]&i[4]&!i[2]); + +assign out.crc32_h = (i[30]&!i[27]&i[24]&!i[23]&i[20]&!i[14]&!i[13]&i[12]&!i[5]&i[4] + &!i[2]); + +assign out.crc32_w = (i[30]&!i[27]&i[24]&!i[23]&i[21]&!i[14]&!i[13]&i[12]&!i[5]&i[4] + &!i[2]); + +assign out.crc32c_b = (i[30]&!i[27]&i[23]&!i[21]&!i[20]&!i[14]&!i[13]&i[12]&!i[5] + &i[4]&!i[2]); + +assign out.crc32c_h = (i[30]&!i[27]&i[23]&i[20]&!i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]); + +assign out.crc32c_w = (i[30]&!i[27]&i[23]&i[21]&!i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]); + +assign out.zbr = (i[30]&!i[27]&i[24]&!i[14]&!i[13]&i[12]&!i[5]&i[4]&!i[2]); + +assign out.bfp = (i[30]&i[27]&i[13]&i[12]&!i[6]&i[5]&!i[2]); + +assign out.zbf = (i[30]&i[27]&i[13]&i[12]&!i[6]&i[5]&!i[2]); + +assign out.sh1add = (i[29]&!i[14]&!i[12]&!i[6]&i[5]&i[4]&!i[2]); + +assign out.sh2add = (i[29]&i[14]&!i[13]&!i[12]&i[5]&i[4]&!i[2]); + +assign out.sh3add = (i[29]&i[14]&i[13]&!i[6]&i[5]&!i[2]); + +assign out.zba = (i[29]&!i[12]&!i[6]&i[5]&i[4]&!i[2]); + +assign out.pm_alu = (i[28]&i[22]&!i[13]&!i[12]&i[4]) | (!i[30]&!i[29]&!i[27]&!i[25] + &!i[6]&i[4]) | (!i[29]&!i[27]&!i[25]&!i[13]&i[12]&!i[6]&i[4]) | ( + !i[29]&!i[27]&!i[25]&!i[14]&!i[6]&i[4]) | (i[13]&!i[5]&i[4]) | (i[4] + &i[2]) | (!i[12]&!i[5]&i[4]); + + +assign out.legal = (!i[31]&!i[30]&!i[29]&i[28]&!i[27]&!i[26]&!i[25]&!i[24]&!i[23] + &i[22]&!i[21]&i[20]&!i[19]&!i[18]&!i[17]&!i[16]&!i[15]&!i[14]&!i[11] + &!i[10]&!i[9]&!i[8]&!i[7]&i[6]&i[5]&i[4]&!i[3]&!i[2]&i[1]&i[0]) | ( + !i[31]&!i[30]&i[29]&i[28]&!i[27]&!i[26]&!i[25]&!i[24]&!i[23]&!i[22] + &i[21]&!i[20]&!i[19]&!i[18]&!i[17]&!i[16]&!i[15]&!i[14]&!i[11]&!i[10] + &!i[9]&!i[8]&!i[7]&i[6]&i[5]&i[4]&!i[3]&!i[2]&i[1]&i[0]) | (!i[31] + &!i[30]&!i[29]&!i[28]&!i[27]&!i[26]&!i[25]&!i[24]&!i[23]&!i[22]&!i[21] + &!i[19]&!i[18]&!i[17]&!i[16]&!i[15]&!i[14]&!i[11]&!i[10]&!i[9]&!i[8] + &!i[7]&i[5]&i[4]&!i[3]&!i[2]&i[1]&i[0]) | (!i[31]&i[29]&!i[28]&!i[26] + &!i[25]&i[24]&!i[22]&!i[20]&!i[6]&!i[5]&i[4]&!i[3]&i[1]&i[0]) | ( + !i[31]&i[29]&!i[28]&!i[26]&!i[25]&i[24]&!i[22]&!i[21]&!i[6]&!i[5] + &i[4]&!i[3]&i[1]&i[0]) | (!i[31]&i[29]&!i[28]&!i[26]&!i[25]&!i[23] + &!i[22]&!i[20]&!i[6]&!i[5]&i[4]&!i[3]&i[1]&i[0]) | (!i[31]&i[29] + &!i[28]&!i[26]&!i[25]&!i[24]&!i[23]&!i[21]&!i[6]&!i[5]&i[4]&!i[3] + &i[1]&i[0]) | (!i[31]&!i[30]&!i[29]&!i[28]&!i[26]&i[25]&i[13]&!i[6] + &i[4]&!i[3]&i[1]&i[0]) | (!i[31]&!i[30]&!i[28]&!i[26]&!i[25]&!i[24] + &!i[6]&!i[5]&i[4]&!i[3]&i[1]&i[0]) | (!i[31]&!i[30]&!i[28]&!i[27] + &!i[26]&!i[25]&i[14]&!i[12]&!i[6]&i[4]&!i[3]&i[1]&i[0]) | (!i[31] + &!i[30]&!i[28]&!i[27]&!i[26]&!i[25]&i[13]&!i[12]&!i[6]&i[4]&!i[3] + &i[1]&i[0]) | (!i[31]&!i[29]&!i[28]&!i[27]&!i[26]&!i[25]&!i[13]&!i[12] + &!i[6]&i[4]&!i[3]&i[1]&i[0]) | (!i[31]&!i[28]&!i[27]&!i[26]&!i[25] + &i[14]&!i[6]&!i[5]&i[4]&!i[3]&i[1]&i[0]) | (!i[31]&!i[30]&!i[29] + &!i[28]&!i[26]&!i[13]&i[12]&i[5]&i[4]&!i[3]&!i[2]&i[1]&i[0]) | ( + !i[31]&!i[30]&!i[29]&!i[28]&!i[26]&i[14]&!i[6]&i[5]&i[4]&!i[3]&i[1] + &i[0]) | (!i[31]&i[30]&!i[28]&i[27]&!i[26]&!i[25]&!i[13]&i[12]&!i[6] + &i[4]&!i[3]&i[1]&i[0]) | (!i[31]&i[29]&!i[28]&i[27]&!i[26]&!i[25] + &!i[6]&!i[5]&i[4]&!i[3]&i[1]&i[0]) | (!i[31]&!i[30]&!i[28]&!i[27] + &!i[26]&!i[25]&!i[6]&!i[5]&i[4]&!i[3]&i[1]&i[0]) | (!i[31]&!i[30] + &!i[29]&!i[28]&!i[27]&!i[26]&!i[6]&i[5]&i[4]&!i[3]&i[1]&i[0]) | ( + !i[14]&!i[13]&!i[12]&i[6]&i[5]&!i[4]&!i[3]&i[1]&i[0]) | (!i[31]&!i[29] + &!i[28]&!i[26]&!i[25]&i[14]&!i[6]&i[5]&i[4]&!i[3]&i[1]&i[0]) | ( + !i[31]&i[29]&!i[28]&!i[26]&!i[25]&!i[13]&i[12]&i[5]&i[4]&!i[3]&!i[2] + &i[1]&i[0]) | (i[14]&i[6]&i[5]&!i[4]&!i[3]&!i[2]&i[1]&i[0]) | (!i[14] + &!i[13]&i[5]&!i[4]&!i[3]&!i[2]&i[1]&i[0]) | (!i[12]&!i[6]&!i[5]&i[4] + &!i[3]&i[1]&i[0]) | (!i[13]&i[12]&i[6]&i[5]&!i[3]&!i[2]&i[1]&i[0]) | ( + !i[31]&!i[30]&!i[29]&!i[28]&!i[27]&!i[26]&!i[25]&!i[24]&!i[23]&!i[22] + &!i[21]&!i[20]&!i[19]&!i[18]&!i[17]&!i[16]&!i[15]&!i[14]&!i[13]&!i[11] + &!i[10]&!i[9]&!i[8]&!i[7]&!i[6]&!i[5]&!i[4]&i[3]&i[2]&i[1]&i[0]) | ( + !i[31]&!i[30]&!i[29]&!i[28]&!i[19]&!i[18]&!i[17]&!i[16]&!i[15]&!i[14] + &!i[13]&!i[12]&!i[11]&!i[10]&!i[9]&!i[8]&!i[7]&!i[6]&!i[5]&!i[4]&i[3] + &i[2]&i[1]&i[0]) | (i[13]&i[6]&i[5]&i[4]&!i[3]&!i[2]&i[1]&i[0]) | ( + i[6]&i[5]&!i[4]&i[3]&i[2]&i[1]&i[0]) | (!i[14]&!i[12]&!i[6]&!i[4] + &!i[3]&!i[2]&i[1]&i[0]) | (!i[13]&!i[6]&!i[5]&!i[4]&!i[3]&!i[2]&i[1] + &i[0]) | (i[13]&!i[6]&!i[5]&i[4]&!i[3]&i[1]&i[0]) | (!i[6]&i[4]&!i[3] + &i[2]&i[1]&i[0]); + + +endmodule // eb1_dec_dec_ctl + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +module eb1_dec_gpr_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) ( + input logic [4:0] raddr0, // logical read addresses + input logic [4:0] raddr1, + + input logic wen0, // write enable + input logic [4:0] waddr0, // write address + input logic [31:0] wd0, // write data + + input logic wen1, // write enable + input logic [4:0] waddr1, // write address + input logic [31:0] wd1, // write data + + input logic wen2, // write enable + input logic [4:0] waddr2, // write address + input logic [31:0] wd2, // write data + + input logic clk, + input logic rst_l, + + output logic [31:0] rd0, // read data + output logic [31:0] rd1, + + input logic scan_mode +); + + logic [31:1] [31:0] gpr_out; // 31 x 32 bit GPRs + logic [31:1] [31:0] gpr_in; + logic [31:1] w0v,w1v,w2v; + logic [31:1] gpr_wr_en; + + // GPR Write Enables + assign gpr_wr_en[31:1] = (w0v[31:1] | w1v[31:1] | w2v[31:1]); + for ( genvar j=1; j<32; j++ ) begin : gpr + rvdffe #(32) gprff (.*, .en(gpr_wr_en[j]), .din(gpr_in[j][31:0]), .dout(gpr_out[j][31:0])); + end : gpr + + // the read out + always_comb begin + rd0[31:0] = 32'b0; + rd1[31:0] = 32'b0; + w0v[31:1] = 31'b0; + w1v[31:1] = 31'b0; + w2v[31:1] = 31'b0; + gpr_in[31:1] = '0; + + // GPR Read logic + for (int j=1; j<32; j++ ) begin + rd0[31:0] |= ({32{(raddr0[4:0]== 5'(j))}} & gpr_out[j][31:0]); + rd1[31:0] |= ({32{(raddr1[4:0]== 5'(j))}} & gpr_out[j][31:0]); + end + + // GPR Write logic + for (int j=1; j<32; j++ ) begin + w0v[j] = wen0 & (waddr0[4:0]== 5'(j) ); + w1v[j] = wen1 & (waddr1[4:0]== 5'(j) ); + w2v[j] = wen2 & (waddr2[4:0]== 5'(j) ); + gpr_in[j] = ({32{w0v[j]}} & wd0[31:0]) | + ({32{w1v[j]}} & wd1[31:0]) | + ({32{w2v[j]}} & wd2[31:0]); + end + end // always_comb begin + + + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +module eb1_dec_ib_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic dbg_cmd_valid, // valid dbg cmd + + input logic dbg_cmd_write, // dbg cmd is write + input logic [1:0] dbg_cmd_type, // dbg type + input logic [31:0] dbg_cmd_addr, // expand to 31:0 + + input eb1_br_pkt_t i0_brp, // i0 branch packet from aligner + input logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] ifu_i0_bp_index, // BP index + input logic [pt.BHT_GHR_SIZE-1:0] ifu_i0_bp_fghr, // BP FGHR + input logic [pt.BTB_BTAG_SIZE-1:0] ifu_i0_bp_btag, // BP tag + input logic [$clog2(pt.BTB_SIZE)-1:0] ifu_i0_fa_index, // Fully associt btb index + + input logic ifu_i0_pc4, // i0 is 4B inst else 2B + input logic ifu_i0_valid, // i0 valid from ifu + input logic ifu_i0_icaf, // i0 instruction access fault + input logic [1:0] ifu_i0_icaf_type, // i0 instruction access fault type + + input logic ifu_i0_icaf_second, // i0 has access fault on second 2B of 4B inst + input logic ifu_i0_dbecc, // i0 double-bit error + input logic [31:0] ifu_i0_instr, // i0 instruction from the aligner + input logic [31:1] ifu_i0_pc, // i0 pc from the aligner + + + output logic dec_ib0_valid_d, // ib0 valid + output logic dec_debug_valid_d, // Debug read or write at D-stage + + + output logic [31:0] dec_i0_instr_d, // i0 inst at decode + + output logic [31:1] dec_i0_pc_d, // i0 pc at decode + + output logic dec_i0_pc4_d, // i0 is 4B inst else 2B + + output eb1_br_pkt_t dec_i0_brp, // i0 branch packet at decode + output logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] dec_i0_bp_index, // i0 branch index + output logic [pt.BHT_GHR_SIZE-1:0] dec_i0_bp_fghr, // BP FGHR + output logic [pt.BTB_BTAG_SIZE-1:0] dec_i0_bp_btag, // BP tag + output logic [$clog2(pt.BTB_SIZE)-1:0] dec_i0_bp_fa_index, // Fully associt btb index + + output logic dec_i0_icaf_d, // i0 instruction access fault at decode + output logic dec_i0_icaf_second_d, // i0 instruction access fault on second 2B of 4B inst + output logic [1:0] dec_i0_icaf_type_d, // i0 instruction access fault type + output logic dec_i0_dbecc_d, // i0 double-bit error at decode + output logic dec_debug_wdata_rs1_d, // put debug write data onto rs1 source: machine is halted + + output logic dec_debug_fence_d // debug fence inst + + ); + + + logic debug_valid; + logic [4:0] dreg; + logic [11:0] dcsr; + logic [31:0] ib0, ib0_debug_in; + + logic debug_read; + logic debug_write; + logic debug_read_gpr; + logic debug_write_gpr; + logic debug_read_csr; + logic debug_write_csr; + + logic [34:0] ifu_i0_pcdata, pc0; + + assign ifu_i0_pcdata[34:0] = { ifu_i0_icaf_second, ifu_i0_dbecc, ifu_i0_icaf, + ifu_i0_pc[31:1], ifu_i0_pc4 }; + + assign pc0[34:0] = ifu_i0_pcdata[34:0]; + + assign dec_i0_icaf_second_d = pc0[34]; // icaf's can only decode as i0 + + assign dec_i0_dbecc_d = pc0[33]; + + assign dec_i0_icaf_d = pc0[32]; + assign dec_i0_pc_d[31:1] = pc0[31:1]; + assign dec_i0_pc4_d = pc0[0]; + + assign dec_i0_icaf_type_d[1:0] = ifu_i0_icaf_type[1:0]; + +// GPR accesses + +// put reg to read on rs1 +// read -> or %x0, %reg,%x0 {000000000000,reg[4:0],110000000110011} + +// put write date on rs1 +// write -> or %reg, %x0, %x0 {00000000000000000110,reg[4:0],0110011} + + +// CSR accesses +// csr is of form rd, csr, rs1 + +// read -> csrrs %x0, %csr, %x0 {csr[11:0],00000010000001110011} + +// put write data on rs1 +// write -> csrrw %x0, %csr, %x0 {csr[11:0],00000001000001110011} + +// abstract memory command not done here + assign debug_valid = dbg_cmd_valid & (dbg_cmd_type[1:0] != 2'h2); + + + assign debug_read = debug_valid & ~dbg_cmd_write; + assign debug_write = debug_valid & dbg_cmd_write; + + assign debug_read_gpr = debug_read & (dbg_cmd_type[1:0]==2'h0); + assign debug_write_gpr = debug_write & (dbg_cmd_type[1:0]==2'h0); + assign debug_read_csr = debug_read & (dbg_cmd_type[1:0]==2'h1); + assign debug_write_csr = debug_write & (dbg_cmd_type[1:0]==2'h1); + + assign dreg[4:0] = dbg_cmd_addr[4:0]; + assign dcsr[11:0] = dbg_cmd_addr[11:0]; + + + assign ib0_debug_in[31:0] = ({32{debug_read_gpr}} & {12'b000000000000,dreg[4:0],15'b110000000110011}) | + ({32{debug_write_gpr}} & {20'b00000000000000000110,dreg[4:0],7'b0110011}) | + ({32{debug_read_csr}} & {dcsr[11:0],20'b00000010000001110011}) | + ({32{debug_write_csr}} & {dcsr[11:0],20'b00000001000001110011}); + + + + // machine is in halted state, pipe empty, write will always happen next cycle + + assign dec_debug_wdata_rs1_d = debug_write_gpr | debug_write_csr; + + + // special fence csr for use only in debug mode + + assign dec_debug_fence_d = debug_write_csr & (dcsr[11:0] == 12'h7c4); + + assign ib0[31:0] = (debug_valid) ? ib0_debug_in[31:0] : ifu_i0_instr[31:0]; + + assign dec_ib0_valid_d = ifu_i0_valid | debug_valid; + + assign dec_debug_valid_d = debug_valid; + + assign dec_i0_instr_d[31:0] = ib0[31:0]; + + assign dec_i0_brp = i0_brp; + assign dec_i0_bp_index = ifu_i0_bp_index; + assign dec_i0_bp_fghr = ifu_i0_bp_fghr; + assign dec_i0_bp_btag = ifu_i0_bp_btag; + assign dec_i0_bp_fa_index = ifu_i0_fa_index; + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or it's affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + + +//******************************************************************************** +// eb1_dec_tlu_ctl.sv +// +// +// Function: CSRs, Commit/WB, flushing, exceptions, interrupts +// Comments: +// +//******************************************************************************** + +module eb1_dec_tlu_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, + input logic free_clk, + input logic free_l2clk, + input logic rst_l, + input logic scan_mode, + + input logic [31:1] rst_vec, // reset vector, from core pins + input logic nmi_int, // nmi pin + input logic [31:1] nmi_vec, // nmi vector + input logic i_cpu_halt_req, // Asynchronous Halt request to CPU + input logic i_cpu_run_req, // Asynchronous Restart request to CPU + + input logic lsu_fastint_stall_any, // needed by lsu for 2nd pass of dma with ecc correction, stall next cycle + + + // perf counter inputs + input logic ifu_pmu_instr_aligned, // aligned instructions + input logic ifu_pmu_fetch_stall, // fetch unit stalled + input logic ifu_pmu_ic_miss, // icache miss + input logic ifu_pmu_ic_hit, // icache hit + input logic ifu_pmu_bus_error, // Instruction side bus error + input logic ifu_pmu_bus_busy, // Instruction side bus busy + input logic ifu_pmu_bus_trxn, // Instruction side bus transaction + input logic dec_pmu_instr_decoded, // decoded instructions + input logic dec_pmu_decode_stall, // decode stall + input logic dec_pmu_presync_stall, // decode stall due to presync'd inst + input logic dec_pmu_postsync_stall,// decode stall due to postsync'd inst + input logic lsu_store_stall_any, // SB or WB is full, stall decode + input logic dma_dccm_stall_any, // DMA stall of lsu + input logic dma_iccm_stall_any, // DMA stall of ifu + input logic exu_pmu_i0_br_misp, // pipe 0 branch misp + input logic exu_pmu_i0_br_ataken, // pipe 0 branch actual taken + input logic exu_pmu_i0_pc4, // pipe 0 4 byte branch + input logic lsu_pmu_bus_trxn, // D side bus transaction + input logic lsu_pmu_bus_misaligned, // D side bus misaligned + input logic lsu_pmu_bus_error, // D side bus error + input logic lsu_pmu_bus_busy, // D side bus busy + input logic lsu_pmu_load_external_m, // D side bus load + input logic lsu_pmu_store_external_m, // D side bus store + input logic dma_pmu_dccm_read, // DMA DCCM read + input logic dma_pmu_dccm_write, // DMA DCCM write + input logic dma_pmu_any_read, // DMA read + input logic dma_pmu_any_write, // DMA write + + input logic [31:1] lsu_fir_addr, // Fast int address + input logic [1:0] lsu_fir_error, // Fast int lookup error + + input logic iccm_dma_sb_error, // I side dma single bit error + + input eb1_lsu_error_pkt_t lsu_error_pkt_r, // lsu precise exception/error packet + input logic lsu_single_ecc_error_incr, // LSU inc SB error counter + + input logic dec_pause_state, // Pause counter not zero + input logic lsu_imprecise_error_store_any, // store bus error + input logic lsu_imprecise_error_load_any, // store bus error + input logic [31:0] lsu_imprecise_error_addr_any, // store bus error address + + input logic dec_csr_wen_unq_d, // valid csr with write - for csr legal + input logic dec_csr_any_unq_d, // valid csr - for csr legal + input logic [11:0] dec_csr_rdaddr_d, // read address for csr + + input logic dec_csr_wen_r, // csr write enable at wb + input logic [11:0] dec_csr_wraddr_r, // write address for csr + input logic [31:0] dec_csr_wrdata_r, // csr write data at wb + + input logic dec_csr_stall_int_ff, // csr is mie/mstatus + + input logic dec_tlu_i0_valid_r, // pipe 0 op at e4 is valid + + input logic [31:1] exu_npc_r, // for NPC tracking + + input logic [31:1] dec_tlu_i0_pc_r, // for PC/NPC tracking + + input eb1_trap_pkt_t dec_tlu_packet_r, // exceptions known at decode + + input logic [31:0] dec_illegal_inst, // For mtval + input logic dec_i0_decode_d, // decode valid, used for clean icache diagnostics + + // branch info from pipe0 for errors or counter updates + input logic [1:0] exu_i0_br_hist_r, // history + input logic exu_i0_br_error_r, // error + input logic exu_i0_br_start_error_r, // start error + input logic exu_i0_br_valid_r, // valid + input logic exu_i0_br_mp_r, // mispredict + input logic exu_i0_br_middle_r, // middle of bank + + // branch info from pipe1 for errors or counter updates + + input logic exu_i0_br_way_r, // way hit or repl + + output logic dec_tlu_core_empty, // core is empty + // Debug start + output logic dec_dbg_cmd_done, // abstract command done + output logic dec_dbg_cmd_fail, // abstract command failed + output logic dec_tlu_dbg_halted, // Core is halted and ready for debug command + output logic dec_tlu_debug_mode, // Core is in debug mode + output logic dec_tlu_resume_ack, // Resume acknowledge + output logic dec_tlu_debug_stall, // stall decode while waiting on core to empty + + output logic dec_tlu_flush_noredir_r , // Tell fetch to idle on this flush + output logic dec_tlu_mpc_halted_only, // Core is halted only due to MPC + output logic dec_tlu_flush_leak_one_r, // single step + output logic dec_tlu_flush_err_r, // iside perr/ecc rfpc. This is the D stage of the error + + output logic dec_tlu_flush_extint, // fast ext int started + output logic [31:2] dec_tlu_meihap, // meihap for fast int + + input logic dbg_halt_req, // DM requests a halt + input logic dbg_resume_req, // DM requests a resume + input logic ifu_miss_state_idle, // I-side miss buffer empty + input logic lsu_idle_any, // lsu is idle + input logic dec_div_active, // oop div is active + output eb1_trigger_pkt_t [3:0] trigger_pkt_any, // trigger info for trigger blocks + + input logic ifu_ic_error_start, // IC single bit error + input logic ifu_iccm_rd_ecc_single_err, // ICCM single bit error + + + input logic [70:0] ifu_ic_debug_rd_data, // diagnostic icache read data + input logic ifu_ic_debug_rd_data_valid, // diagnostic icache read data valid + output eb1_cache_debug_pkt_t dec_tlu_ic_diag_pkt, // packet of DICAWICS, DICAD0/1, DICAGO info for icache diagnostics + // Debug end + + input logic [7:0] pic_claimid, // pic claimid for csr + input logic [3:0] pic_pl, // pic priv level for csr + input logic mhwakeup, // high priority external int, wakeup if halted + + input logic mexintpend, // external interrupt pending + input logic timer_int, // timer interrupt pending + input logic soft_int, // software interrupt pending + + output logic o_cpu_halt_status, // PMU interface, halted + output logic o_cpu_halt_ack, // halt req ack + output logic o_cpu_run_ack, // run req ack + output logic o_debug_mode_status, // Core to the PMU that core is in debug mode. When core is in debug mode, the PMU should refrain from sendng a halt or run request + + input logic [31:4] core_id, // Core ID + + // external MPC halt/run interface + input logic mpc_debug_halt_req, // Async halt request + input logic mpc_debug_run_req, // Async run request + input logic mpc_reset_run_req, // Run/halt after reset + output logic mpc_debug_halt_ack, // Halt ack + output logic mpc_debug_run_ack, // Run ack + output logic debug_brkpt_status, // debug breakpoint + + output logic [3:0] dec_tlu_meicurpl, // to PIC + output logic [3:0] dec_tlu_meipt, // to PIC + + + output logic [31:0] dec_csr_rddata_d, // csr read data at wb + output logic dec_csr_legal_d, // csr indicates legal operation + + output eb1_br_tlu_pkt_t dec_tlu_br0_r_pkt, // branch pkt to bp + + output logic dec_tlu_i0_kill_writeb_wb, // I0 is flushed, don't writeback any results to arch state + output logic dec_tlu_flush_lower_wb, // commit has a flush (exception, int, mispredict at e4) + output logic dec_tlu_i0_commit_cmt, // committed an instruction + + output logic dec_tlu_i0_kill_writeb_r, // I0 is flushed, don't writeback any results to arch state + output logic dec_tlu_flush_lower_r, // commit has a flush (exception, int) + output logic [31:1] dec_tlu_flush_path_r, // flush pc + output logic dec_tlu_fence_i_r, // flush is a fence_i rfnpc, flush icache + output logic dec_tlu_wr_pause_r, // CSR write to pause reg is at R. + output logic dec_tlu_flush_pause_r, // Flush is due to pause + + output logic dec_tlu_presync_d, // CSR read needs to be presync'd + output logic dec_tlu_postsync_d, // CSR needs to be presync'd + + + output logic [31:0] dec_tlu_mrac_ff, // CSR for memory region control + + output logic dec_tlu_force_halt, // halt has been forced + + output logic dec_tlu_perfcnt0, // toggles when pipe0 perf counter 0 has an event inc + output logic dec_tlu_perfcnt1, // toggles when pipe0 perf counter 1 has an event inc + output logic dec_tlu_perfcnt2, // toggles when pipe0 perf counter 2 has an event inc + output logic dec_tlu_perfcnt3, // toggles when pipe0 perf counter 3 has an event inc + + output logic dec_tlu_i0_exc_valid_wb1, // pipe 0 exception valid + output logic dec_tlu_i0_valid_wb1, // pipe 0 valid + output logic dec_tlu_int_valid_wb1, // pipe 2 int valid + output logic [4:0] dec_tlu_exc_cause_wb1, // exception or int cause + output logic [31:0] dec_tlu_mtval_wb1, // MTVAL value + + // feature disable from mfdc + output logic dec_tlu_external_ldfwd_disable, // disable external load forwarding + output logic dec_tlu_sideeffect_posted_disable, // disable posted stores to side-effect address + output logic dec_tlu_core_ecc_disable, // disable core ECC + output logic dec_tlu_bpred_disable, // disable branch prediction + output logic dec_tlu_wb_coalescing_disable, // disable writebuffer coalescing + output logic dec_tlu_pipelining_disable, // disable pipelining + output logic dec_tlu_trace_disable, // disable trace + output logic [2:0] dec_tlu_dma_qos_prty, // DMA QoS priority coming from MFDC [18:16] + + // clock gating overrides from mcgc + output logic dec_tlu_misc_clk_override, // override misc clock domain gating + output logic dec_tlu_dec_clk_override, // override decode clock domain gating + output logic dec_tlu_ifu_clk_override, // override fetch clock domain gating + output logic dec_tlu_lsu_clk_override, // override load/store clock domain gating + output logic dec_tlu_bus_clk_override, // override bus clock domain gating + output logic dec_tlu_pic_clk_override, // override PIC clock domain gating + output logic dec_tlu_picio_clk_override,// override PICIO clock domain gating + output logic dec_tlu_dccm_clk_override, // override DCCM clock domain gating + output logic dec_tlu_icm_clk_override // override ICCM clock domain gating + ); + + logic clk_override, e4e5_int_clk, nmi_fir_type, nmi_lsu_load_type, nmi_lsu_store_type, nmi_int_detected_f, nmi_lsu_load_type_f, + nmi_lsu_store_type_f, allow_dbg_halt_csr_write, dbg_cmd_done_ns, i_cpu_run_req_d1_raw, debug_mode_status, lsu_single_ecc_error_r_d1, + sel_npc_r, sel_npc_resume, ce_int, + nmi_in_debug_mode, dpc_capture_npc, dpc_capture_pc, tdata_load, tdata_opcode, tdata_action, perfcnt_halted, tdata_chain, + tdata_kill_write; + + + logic reset_delayed, reset_detect, reset_detected; + logic wr_mstatus_r, wr_mtvec_r, wr_mcyclel_r, wr_mcycleh_r, + wr_minstretl_r, wr_minstreth_r, wr_mscratch_r, wr_mepc_r, wr_mcause_r, wr_mscause_r, wr_mtval_r, + wr_mrac_r, wr_meihap_r, wr_meicurpl_r, wr_meipt_r, wr_dcsr_r, + wr_dpc_r, wr_meicidpl_r, wr_meivt_r, wr_meicpct_r, wr_micect_r, wr_miccmect_r, wr_mfdht_r, wr_mfdhs_r, + wr_mdccmect_r,wr_mhpme3_r, wr_mhpme4_r, wr_mhpme5_r, wr_mhpme6_r; + logic wr_mpmc_r; + logic [1:1] mpmc_b_ns, mpmc, mpmc_b; + logic set_mie_pmu_fw_halt, fw_halted_ns, fw_halted; + logic wr_mcountinhibit_r; + logic [6:0] mcountinhibit; + logic wr_mtsel_r, wr_mtdata1_t0_r, wr_mtdata1_t1_r, wr_mtdata1_t2_r, wr_mtdata1_t3_r, wr_mtdata2_t0_r, wr_mtdata2_t1_r, wr_mtdata2_t2_r, wr_mtdata2_t3_r; + logic [31:0] mtdata2_t0, mtdata2_t1, mtdata2_t2, mtdata2_t3, mtdata2_tsel_out, mtdata1_tsel_out; + logic [9:0] mtdata1_t0_ns, mtdata1_t0, mtdata1_t1_ns, mtdata1_t1, mtdata1_t2_ns, mtdata1_t2, mtdata1_t3_ns, mtdata1_t3; + logic [9:0] tdata_wrdata_r; + logic [1:0] mtsel_ns, mtsel; + logic tlu_i0_kill_writeb_r; + logic [1:0] mstatus_ns, mstatus; + logic [1:0] mfdhs_ns, mfdhs; + logic [31:0] force_halt_ctr, force_halt_ctr_f; + logic force_halt; + logic [5:0] mfdht, mfdht_ns; + logic mstatus_mie_ns; + logic [30:0] mtvec_ns, mtvec; + logic [15:2] dcsr_ns, dcsr; + logic [5:0] mip_ns, mip; + logic [5:0] mie_ns, mie; + logic [31:0] mcyclel_ns, mcyclel; + logic [31:0] mcycleh_ns, mcycleh; + logic [31:0] minstretl_ns, minstretl; + logic [31:0] minstreth_ns, minstreth; + logic [31:0] micect_ns, micect, miccmect_ns, miccmect, mdccmect_ns, mdccmect; + logic [26:0] micect_inc, miccmect_inc, mdccmect_inc; + logic [31:0] mscratch; + logic [31:0] mhpmc3, mhpmc3_ns, mhpmc4, mhpmc4_ns, mhpmc5, mhpmc5_ns, mhpmc6, mhpmc6_ns; + logic [31:0] mhpmc3h, mhpmc3h_ns, mhpmc4h, mhpmc4h_ns, mhpmc5h, mhpmc5h_ns, mhpmc6h, mhpmc6h_ns; + logic [9:0] mhpme3, mhpme4, mhpme5, mhpme6; + logic [31:0] mrac; + logic [9:2] meihap; + logic [31:10] meivt; + logic [3:0] meicurpl_ns, meicurpl; + logic [3:0] meicidpl_ns, meicidpl; + logic [3:0] meipt_ns, meipt; + logic [31:0] mdseac; + logic mdseac_locked_ns, mdseac_locked_f, mdseac_en, nmi_lsu_detected; + logic [31:1] mepc_ns, mepc; + logic [31:1] dpc_ns, dpc; + logic [31:0] mcause_ns, mcause; + logic [3:0] mscause_ns, mscause, mscause_type; + logic [31:0] mtval_ns, mtval; + logic dec_pause_state_f, dec_tlu_wr_pause_r_d1, pause_expired_r, pause_expired_wb; + logic tlu_flush_lower_r, tlu_flush_lower_r_d1; + logic [31:1] tlu_flush_path_r, tlu_flush_path_r_d1; + logic i0_valid_wb; + logic tlu_i0_commit_cmt; + logic [31:1] vectored_path, interrupt_path; + logic [16:0] dicawics_ns, dicawics; + logic wr_dicawics_r, wr_dicad0_r, wr_dicad1_r, wr_dicad0h_r; + logic [31:0] dicad0_ns, dicad0, dicad0h_ns, dicad0h; + + logic [6:0] dicad1_ns, dicad1_raw; + logic [31:0] dicad1; + logic ebreak_r, ebreak_to_debug_mode_r, ecall_r, illegal_r, mret_r, inst_acc_r, fence_i_r, + ic_perr_r, iccm_sbecc_r, ebreak_to_debug_mode_r_d1, kill_ebreak_count_r, inst_acc_second_r; + logic ce_int_ready, ext_int_ready, timer_int_ready, soft_int_ready, int_timer0_int_ready, int_timer1_int_ready, mhwakeup_ready, + take_ext_int, take_ce_int, take_timer_int, take_soft_int, take_int_timer0_int, take_int_timer1_int, take_nmi, take_nmi_r_d1, int_timer0_int_possible, int_timer1_int_possible; + logic i0_exception_valid_r, interrupt_valid_r, i0_exception_valid_r_d1, interrupt_valid_r_d1, exc_or_int_valid_r, exc_or_int_valid_r_d1, mdccme_ce_req, miccme_ce_req, mice_ce_req; + logic synchronous_flush_r; + logic [4:0] exc_cause_r, exc_cause_wb; + logic mcyclel_cout, mcyclel_cout_f, mcyclela_cout; + logic [31:0] mcyclel_inc; + logic [31:0] mcycleh_inc; + + logic minstretl_cout, minstretl_cout_f, minstret_enable, minstretl_cout_ns, minstretl_couta; + + logic [31:0] minstretl_inc, minstretl_read; + logic [31:0] minstreth_inc, minstreth_read; + logic [31:1] pc_r, pc_r_d1, npc_r, npc_r_d1; + logic valid_csr; + logic rfpc_i0_r; + logic lsu_i0_rfnpc_r; + logic dec_tlu_br0_error_r, dec_tlu_br0_start_error_r, dec_tlu_br0_v_r; + logic lsu_i0_exc_r, lsu_i0_exc_r_raw, lsu_exc_ma_r, lsu_exc_acc_r, lsu_exc_st_r, + lsu_exc_valid_r, lsu_exc_valid_r_raw, lsu_exc_valid_r_d1, lsu_i0_exc_r_d1, block_interrupts; + logic i0_trigger_eval_r; + + logic request_debug_mode_r, request_debug_mode_r_d1, request_debug_mode_done, request_debug_mode_done_f; + logic take_halt, halt_taken, halt_taken_f, internal_dbg_halt_mode, dbg_tlu_halted_f, take_reset, + dbg_tlu_halted, core_empty, lsu_idle_any_f, ifu_miss_state_idle_f, resume_ack_ns, + debug_halt_req_f, debug_resume_req_f_raw, debug_resume_req_f, enter_debug_halt_req, dcsr_single_step_done, dcsr_single_step_done_f, + debug_halt_req_d1, debug_halt_req_ns, dcsr_single_step_running, dcsr_single_step_running_f, internal_dbg_halt_timers; + + logic [3:0] i0_trigger_r, trigger_action, trigger_enabled, + i0_trigger_chain_masked_r; + logic i0_trigger_hit_r, i0_trigger_hit_raw_r, i0_trigger_action_r, + trigger_hit_r_d1, + mepc_trigger_hit_sel_pc_r; + logic [3:0] update_hit_bit_r, i0_iside_trigger_has_pri_r,i0trigger_qual_r, i0_lsu_trigger_has_pri_r; + logic cpu_halt_status, cpu_halt_ack, cpu_run_ack, ext_halt_pulse, i_cpu_halt_req_d1, i_cpu_run_req_d1; + + logic inst_acc_r_raw, trigger_hit_dmode_r, trigger_hit_dmode_r_d1; + logic [9:0] mcgc, mcgc_ns, mcgc_int; + logic [18:0] mfdc; + logic i_cpu_halt_req_sync_qual, i_cpu_run_req_sync_qual, pmu_fw_halt_req_ns, pmu_fw_halt_req_f, int_timer_stalled, + fw_halt_req, enter_pmu_fw_halt_req, pmu_fw_tlu_halted, pmu_fw_tlu_halted_f, internal_pmu_fw_halt_mode, + internal_pmu_fw_halt_mode_f, int_timer0_int_hold, int_timer1_int_hold, int_timer0_int_hold_f, int_timer1_int_hold_f; + logic nmi_int_delayed, nmi_int_detected; + logic [3:0] trigger_execute, trigger_data, trigger_store; + logic dec_tlu_pmu_fw_halted; + + logic mpc_run_state_ns, debug_brkpt_status_ns, mpc_debug_halt_ack_ns, mpc_debug_run_ack_ns, dbg_halt_state_ns, dbg_run_state_ns, + dbg_halt_state_f, mpc_debug_halt_req_sync_f, mpc_debug_run_req_sync_f, mpc_halt_state_f, mpc_halt_state_ns, mpc_run_state_f, debug_brkpt_status_f, + mpc_debug_halt_ack_f, mpc_debug_run_ack_f, dbg_run_state_f, mpc_debug_halt_req_sync_pulse, + mpc_debug_run_req_sync_pulse, debug_brkpt_valid, debug_halt_req, debug_resume_req, dec_tlu_mpc_halted_only_ns; + logic take_ext_int_start, ext_int_freeze, take_ext_int_start_d1, take_ext_int_start_d2, + take_ext_int_start_d3, ext_int_freeze_d1, csr_meicpct, ignore_ext_int_due_to_lsu_stall; + logic mcause_sel_nmi_store, mcause_sel_nmi_load, mcause_sel_nmi_ext, fast_int_meicpct; + logic [1:0] mcause_fir_error_type; + logic dbg_halt_req_held_ns, dbg_halt_req_held, dbg_halt_req_final; + logic iccm_repair_state_ns, iccm_repair_state_d1, iccm_repair_state_rfnpc; + + + // internal timer, isolated for size reasons + logic [31:0] dec_timer_rddata_d; + logic dec_timer_read_d, dec_timer_t0_pulse, dec_timer_t1_pulse; + logic csr_mitctl0; + logic csr_mitctl1; + logic csr_mitb0; + logic csr_mitb1; + logic csr_mitcnt0; + logic csr_mitcnt1; + + logic nmi_int_sync, timer_int_sync, soft_int_sync, i_cpu_halt_req_sync, i_cpu_run_req_sync, mpc_debug_halt_req_sync, mpc_debug_run_req_sync, mpc_debug_halt_req_sync_raw; + logic csr_wr_clk; + logic e4e5_clk, e4_valid, e5_valid, e4e5_valid, internal_dbg_halt_mode_f, internal_dbg_halt_mode_f2; + logic lsu_pmu_load_external_r, lsu_pmu_store_external_r; + logic dec_tlu_flush_noredir_r_d1, dec_tlu_flush_pause_r_d1; + logic lsu_single_ecc_error_r; + logic [31:0] lsu_error_pkt_addr_r; + logic mcyclel_cout_in; + logic i0_valid_no_ebreak_ecall_r; + logic minstret_enable_f; + logic sel_exu_npc_r, sel_flush_npc_r, sel_hold_npc_r; + logic pc0_valid_r; + logic [15:0] mfdc_int, mfdc_ns; + logic [31:0] mrac_in; + logic [31:27] csr_sat; + logic [8:6] dcsr_cause; + logic enter_debug_halt_req_le, dcsr_cause_upgradeable; + logic icache_rd_valid, icache_wr_valid, icache_rd_valid_f, icache_wr_valid_f; + logic [3:0] mhpmc_inc_r, mhpmc_inc_r_d1; + + logic [3:0][9:0] mhpme_vec; + logic mhpmc3_wr_en0, mhpmc3_wr_en1, mhpmc3_wr_en; + logic mhpmc4_wr_en0, mhpmc4_wr_en1, mhpmc4_wr_en; + logic mhpmc5_wr_en0, mhpmc5_wr_en1, mhpmc5_wr_en; + logic mhpmc6_wr_en0, mhpmc6_wr_en1, mhpmc6_wr_en; + logic mhpmc3h_wr_en0, mhpmc3h_wr_en; + logic mhpmc4h_wr_en0, mhpmc4h_wr_en; + logic mhpmc5h_wr_en0, mhpmc5h_wr_en; + logic mhpmc6h_wr_en0, mhpmc6h_wr_en; + logic [63:0] mhpmc3_incr, mhpmc4_incr, mhpmc5_incr, mhpmc6_incr; + logic perfcnt_halted_d1, zero_event_r; + logic [3:0] perfcnt_during_sleep; + logic [9:0] event_r; + + eb1_inst_pkt_t pmu_i0_itype_qual; + + logic csr_mfdht; + logic csr_mfdhs; + logic csr_misa; + logic csr_mvendorid; + logic csr_marchid; + logic csr_mimpid; + logic csr_mhartid; + logic csr_mstatus; + logic csr_mtvec; + logic csr_mip; + logic csr_mie; + logic csr_mcyclel; + logic csr_mcycleh; + logic csr_minstretl; + logic csr_minstreth; + logic csr_mscratch; + logic csr_mepc; + logic csr_mcause; + logic csr_mscause; + logic csr_mtval; + logic csr_mrac; + logic csr_dmst; + logic csr_mdseac; + logic csr_meihap; + logic csr_meivt; + logic csr_meipt; + logic csr_meicurpl; + logic csr_meicidpl; + logic csr_dcsr; + logic csr_mcgc; + logic csr_mfdc; + logic csr_dpc; + logic csr_mtsel; + logic csr_mtdata1; + logic csr_mtdata2; + logic csr_mhpmc3; + logic csr_mhpmc4; + logic csr_mhpmc5; + logic csr_mhpmc6; + logic csr_mhpmc3h; + logic csr_mhpmc4h; + logic csr_mhpmc5h; + logic csr_mhpmc6h; + logic csr_mhpme3; + logic csr_mhpme4; + logic csr_mhpme5; + logic csr_mhpme6; + logic csr_mcountinhibit; + logic csr_mpmc; + logic csr_micect; + logic csr_miccmect; + logic csr_mdccmect; + logic csr_dicawics; + logic csr_dicad0h; + logic csr_dicad0; + logic csr_dicad1; + logic csr_dicago; + logic presync; + logic postsync; + logic legal; + logic dec_csr_wen_r_mod; + + logic flush_clkvalid; + logic sel_fir_addr; + logic wr_mie_r; + logic mtval_capture_pc_r; + logic mtval_capture_pc_plus2_r; + logic mtval_capture_inst_r; + logic mtval_capture_lsu_r; + logic mtval_clear_r; + logic wr_mcgc_r; + logic wr_mfdc_r; + logic wr_mdeau_r; + logic trigger_hit_for_dscr_cause_r_d1; + logic conditionally_illegal; + + logic [3:0] ifu_mscause ; + logic ifu_ic_error_start_f, ifu_iccm_rd_ecc_single_err_f; + + eb1_dec_timer_ctl #(.pt(pt)) int_timers(.*); + // end of internal timers + + assign clk_override = dec_tlu_dec_clk_override; + + // Async inputs to the core have to be sync'd to the core clock. + rvsyncss #(7) syncro_ff(.*, + .clk(free_clk), + .din ({nmi_int, timer_int, soft_int, i_cpu_halt_req, i_cpu_run_req, mpc_debug_halt_req, mpc_debug_run_req}), + .dout({nmi_int_sync, timer_int_sync, soft_int_sync, i_cpu_halt_req_sync, i_cpu_run_req_sync, mpc_debug_halt_req_sync_raw, mpc_debug_run_req_sync})); + + // for CSRs that have inpipe writes only + + rvoclkhdr csrwr_r_cgc ( .en(dec_csr_wen_r_mod | clk_override), .l1clk(csr_wr_clk), .* ); + + assign e4_valid = dec_tlu_i0_valid_r; + assign e4e5_valid = e4_valid | e5_valid; + assign flush_clkvalid = internal_dbg_halt_mode_f | i_cpu_run_req_d1 | interrupt_valid_r | interrupt_valid_r_d1 | + reset_delayed | pause_expired_r | pause_expired_wb | ic_perr_r | iccm_sbecc_r | + clk_override; + rvoclkhdr e4e5_cgc ( .en(e4e5_valid | clk_override), .l1clk(e4e5_clk), .* ); + rvoclkhdr e4e5_int_cgc ( .en(e4e5_valid | flush_clkvalid), .l1clk(e4e5_int_clk), .* ); + + rvdffie #(11) freeff (.*, .clk(free_l2clk), + .din ({ifu_ic_error_start, ifu_iccm_rd_ecc_single_err, iccm_repair_state_ns, e4_valid, internal_dbg_halt_mode, + lsu_pmu_load_external_m, lsu_pmu_store_external_m, tlu_flush_lower_r, tlu_i0_kill_writeb_r, + internal_dbg_halt_mode_f, force_halt}), + .dout({ifu_ic_error_start_f, ifu_iccm_rd_ecc_single_err_f, iccm_repair_state_d1, e5_valid, internal_dbg_halt_mode_f, + lsu_pmu_load_external_r, lsu_pmu_store_external_r, tlu_flush_lower_r_d1, dec_tlu_i0_kill_writeb_wb, + internal_dbg_halt_mode_f2, dec_tlu_force_halt})); + + assign dec_tlu_i0_kill_writeb_r = tlu_i0_kill_writeb_r; + + assign nmi_int_detected = (nmi_int_sync & ~nmi_int_delayed) | nmi_lsu_detected | (nmi_int_detected_f & ~take_nmi_r_d1) | nmi_fir_type; + // if the first nmi is a lsu type, note it. If there's already an nmi pending, ignore. Simultaneous with FIR, drop. + assign nmi_lsu_load_type = (nmi_lsu_detected & lsu_imprecise_error_load_any & ~(nmi_int_detected_f & ~take_nmi_r_d1)) | + (nmi_lsu_load_type_f & ~take_nmi_r_d1); + assign nmi_lsu_store_type = (nmi_lsu_detected & lsu_imprecise_error_store_any & ~(nmi_int_detected_f & ~take_nmi_r_d1)) | + (nmi_lsu_store_type_f & ~take_nmi_r_d1); + + assign nmi_fir_type = ~nmi_int_detected_f & take_ext_int_start_d3 & |lsu_fir_error[1:0]; + + // Filter subsequent bus errors after the first, until the lock on MDSEAC is cleared + assign nmi_lsu_detected = ~mdseac_locked_f & (lsu_imprecise_error_load_any | lsu_imprecise_error_store_any) & ~nmi_fir_type; + + +localparam MSTATUS_MIE = 0; +localparam MIP_MCEIP = 5; +localparam MIP_MITIP0 = 4; +localparam MIP_MITIP1 = 3; +localparam MIP_MEIP = 2; +localparam MIP_MTIP = 1; +localparam MIP_MSIP = 0; + +localparam MIE_MCEIE = 5; +localparam MIE_MITIE0 = 4; +localparam MIE_MITIE1 = 3; +localparam MIE_MEIE = 2; +localparam MIE_MTIE = 1; +localparam MIE_MSIE = 0; + +localparam DCSR_EBREAKM = 15; +localparam DCSR_STEPIE = 11; +localparam DCSR_STOPC = 10; +localparam DCSR_STEP = 2; + + + assign reset_delayed = reset_detect ^ reset_detected; + + // ---------------------------------------------------------------------- + // MPC halt + // - can interact with debugger halt and v-v + + // fast ints in progress have priority + assign mpc_debug_halt_req_sync = mpc_debug_halt_req_sync_raw & ~ext_int_freeze_d1; + + rvdffie #(16) mpvhalt_ff (.*, .clk(free_l2clk), + .din({1'b1, reset_detect, + nmi_int_sync, nmi_int_detected, nmi_lsu_load_type, nmi_lsu_store_type, + mpc_debug_halt_req_sync, mpc_debug_run_req_sync, + mpc_halt_state_ns, mpc_run_state_ns, debug_brkpt_status_ns, + mpc_debug_halt_ack_ns, mpc_debug_run_ack_ns, + dbg_halt_state_ns, dbg_run_state_ns, + dec_tlu_mpc_halted_only_ns}), + .dout({reset_detect, reset_detected, + nmi_int_delayed, nmi_int_detected_f, nmi_lsu_load_type_f, nmi_lsu_store_type_f, + mpc_debug_halt_req_sync_f, mpc_debug_run_req_sync_f, + mpc_halt_state_f, mpc_run_state_f, debug_brkpt_status_f, + mpc_debug_halt_ack_f, mpc_debug_run_ack_f, + dbg_halt_state_f, dbg_run_state_f, + dec_tlu_mpc_halted_only})); + + // turn level sensitive requests into pulses + assign mpc_debug_halt_req_sync_pulse = mpc_debug_halt_req_sync & ~mpc_debug_halt_req_sync_f; + assign mpc_debug_run_req_sync_pulse = mpc_debug_run_req_sync & ~mpc_debug_run_req_sync_f; + + // states + assign mpc_halt_state_ns = (mpc_halt_state_f | mpc_debug_halt_req_sync_pulse | (reset_delayed & ~mpc_reset_run_req)) & ~mpc_debug_run_req_sync; + assign mpc_run_state_ns = (mpc_run_state_f | (mpc_debug_run_req_sync_pulse & ~mpc_debug_run_ack_f)) & (internal_dbg_halt_mode_f & ~dcsr_single_step_running_f); + + // note, MPC halt can allow the jtag debugger to just start sending commands. When that happens, set the interal debugger halt state to prevent + // MPC run from starting the core. + assign dbg_halt_state_ns = (dbg_halt_state_f | (dbg_halt_req_final | dcsr_single_step_done_f | trigger_hit_dmode_r_d1 | ebreak_to_debug_mode_r_d1)) & ~dbg_resume_req; + assign dbg_run_state_ns = (dbg_run_state_f | dbg_resume_req) & (internal_dbg_halt_mode_f & ~dcsr_single_step_running_f); + + // tell dbg we are only MPC halted + assign dec_tlu_mpc_halted_only_ns = ~dbg_halt_state_f & mpc_halt_state_f; + + // this asserts from detection of bkpt until after we leave debug mode + assign debug_brkpt_valid = ebreak_to_debug_mode_r_d1 | trigger_hit_dmode_r_d1; + assign debug_brkpt_status_ns = (debug_brkpt_valid | debug_brkpt_status_f) & (internal_dbg_halt_mode & ~dcsr_single_step_running_f); + + // acks back to interface + assign mpc_debug_halt_ack_ns = mpc_halt_state_f & internal_dbg_halt_mode_f & mpc_debug_halt_req_sync & core_empty; + assign mpc_debug_run_ack_ns = (mpc_debug_run_req_sync & ~dbg_halt_state_ns & ~mpc_debug_halt_req_sync) | (mpc_debug_run_ack_f & mpc_debug_run_req_sync) ; + + // Pins + assign mpc_debug_halt_ack = mpc_debug_halt_ack_f; + assign mpc_debug_run_ack = mpc_debug_run_ack_f; + assign debug_brkpt_status = debug_brkpt_status_f; + + // DBG halt req is a pulse, fast ext int in progress has priority + assign dbg_halt_req_held_ns = (dbg_halt_req | dbg_halt_req_held) & ext_int_freeze_d1; + assign dbg_halt_req_final = (dbg_halt_req | dbg_halt_req_held) & ~ext_int_freeze_d1; + + // combine MPC and DBG halt requests + assign debug_halt_req = (dbg_halt_req_final | mpc_debug_halt_req_sync | (reset_delayed & ~mpc_reset_run_req)) & ~internal_dbg_halt_mode_f & ~ext_int_freeze_d1; + + assign debug_resume_req = ~debug_resume_req_f & // squash back to back resumes + ((mpc_run_state_ns & ~dbg_halt_state_ns) | // MPC run req + (dbg_run_state_ns & ~mpc_halt_state_ns)); // dbg request is a pulse + + + // HALT + // dbg/pmu/fw requests halt, service as soon as lsu is not blocking interrupts + assign take_halt = (debug_halt_req_f | pmu_fw_halt_req_f) & ~synchronous_flush_r & ~mret_r & ~halt_taken_f & ~dec_tlu_flush_noredir_r_d1 & ~take_reset; + + // hold after we take a halt, so we don't keep taking halts + assign halt_taken = (dec_tlu_flush_noredir_r_d1 & ~dec_tlu_flush_pause_r_d1 & ~take_ext_int_start_d1) | (halt_taken_f & ~dbg_tlu_halted_f & ~pmu_fw_tlu_halted_f & ~interrupt_valid_r_d1); + + // After doing halt flush (RFNPC) wait until core is idle before asserting a particular halt mode + // It takes a cycle for mb_empty to assert after a fetch, take_halt covers that cycle + assign core_empty = force_halt | + (lsu_idle_any & lsu_idle_any_f & ifu_miss_state_idle & ifu_miss_state_idle_f & ~debug_halt_req & ~debug_halt_req_d1 & ~dec_div_active); + + assign dec_tlu_core_empty = core_empty; + +//-------------------------------------------------------------------------------- +// Debug start +// + + assign enter_debug_halt_req = (~internal_dbg_halt_mode_f & debug_halt_req) | dcsr_single_step_done_f | trigger_hit_dmode_r_d1 | ebreak_to_debug_mode_r_d1; + + // dbg halt state active from request until non-step resume + assign internal_dbg_halt_mode = debug_halt_req_ns | (internal_dbg_halt_mode_f & ~(debug_resume_req_f & ~dcsr[DCSR_STEP])); + // dbg halt can access csrs as long as we are not stepping + assign allow_dbg_halt_csr_write = internal_dbg_halt_mode_f & ~dcsr_single_step_running_f; + + + // hold debug_halt_req_ns high until we enter debug halt + assign debug_halt_req_ns = enter_debug_halt_req | (debug_halt_req_f & ~dbg_tlu_halted); + + assign dbg_tlu_halted = (debug_halt_req_f & core_empty & halt_taken) | (dbg_tlu_halted_f & ~debug_resume_req_f); + + assign resume_ack_ns = (debug_resume_req_f & dbg_tlu_halted_f & dbg_run_state_ns); + + assign dcsr_single_step_done = dec_tlu_i0_valid_r & ~dec_tlu_dbg_halted & dcsr[DCSR_STEP] & ~rfpc_i0_r; + + assign dcsr_single_step_running = (debug_resume_req_f & dcsr[DCSR_STEP]) | (dcsr_single_step_running_f & ~dcsr_single_step_done_f); + + assign dbg_cmd_done_ns = dec_tlu_i0_valid_r & dec_tlu_dbg_halted; + + // used to hold off commits after an in-pipe debug mode request (triggers, DCSR) + assign request_debug_mode_r = (trigger_hit_dmode_r | ebreak_to_debug_mode_r) | (request_debug_mode_r_d1 & ~dec_tlu_flush_lower_wb); + + assign request_debug_mode_done = (request_debug_mode_r_d1 | request_debug_mode_done_f) & ~dbg_tlu_halted_f; + + rvdffie #(18) halt_ff (.*, .clk(free_l2clk), + .din({dec_tlu_flush_noredir_r, halt_taken, lsu_idle_any, ifu_miss_state_idle, dbg_tlu_halted, + resume_ack_ns, debug_halt_req_ns, debug_resume_req, trigger_hit_dmode_r, + dcsr_single_step_done, debug_halt_req, dec_tlu_wr_pause_r, dec_pause_state, + request_debug_mode_r, request_debug_mode_done, dcsr_single_step_running, dec_tlu_flush_pause_r, + dbg_halt_req_held_ns}), + .dout({dec_tlu_flush_noredir_r_d1, halt_taken_f, lsu_idle_any_f, ifu_miss_state_idle_f, dbg_tlu_halted_f, + dec_tlu_resume_ack , debug_halt_req_f, debug_resume_req_f_raw, trigger_hit_dmode_r_d1, + dcsr_single_step_done_f, debug_halt_req_d1, dec_tlu_wr_pause_r_d1, dec_pause_state_f, + request_debug_mode_r_d1, request_debug_mode_done_f, dcsr_single_step_running_f, dec_tlu_flush_pause_r_d1, + dbg_halt_req_held})); + + // MPC run collides with DBG halt, fix it here + assign debug_resume_req_f = debug_resume_req_f_raw & ~dbg_halt_req; + + assign dec_tlu_debug_stall = debug_halt_req_f; + assign dec_tlu_dbg_halted = dbg_tlu_halted_f; + assign dec_tlu_debug_mode = internal_dbg_halt_mode_f; + assign dec_tlu_pmu_fw_halted = pmu_fw_tlu_halted_f; + + // kill fetch redirection on flush if going to halt, or if there's a fence during db-halt + assign dec_tlu_flush_noredir_r = take_halt | (fence_i_r & internal_dbg_halt_mode) | dec_tlu_flush_pause_r | (i0_trigger_hit_r & trigger_hit_dmode_r) | take_ext_int_start; + + assign dec_tlu_flush_extint = take_ext_int_start; + + // 1 cycle after writing the PAUSE counter, flush with noredir to idle F1-D. + assign dec_tlu_flush_pause_r = dec_tlu_wr_pause_r_d1 & ~interrupt_valid_r & ~take_ext_int_start; + + // detect end of pause counter and rfpc + assign pause_expired_r = ~dec_pause_state & dec_pause_state_f & ~(ext_int_ready | ce_int_ready | timer_int_ready | soft_int_ready | int_timer0_int_hold_f | int_timer1_int_hold_f | nmi_int_detected | ext_int_freeze_d1) & ~interrupt_valid_r_d1 & ~debug_halt_req_f & ~pmu_fw_halt_req_f & ~halt_taken_f; + + assign dec_tlu_flush_leak_one_r = dec_tlu_flush_lower_r & dcsr[DCSR_STEP] & (dec_tlu_resume_ack | dcsr_single_step_running) & ~dec_tlu_flush_noredir_r; + assign dec_tlu_flush_err_r = dec_tlu_flush_lower_r & (ic_perr_r | iccm_sbecc_r); + + // If DM attempts to access an illegal CSR, send cmd_fail back + assign dec_dbg_cmd_done = dbg_cmd_done_ns; + assign dec_dbg_cmd_fail = illegal_r & dec_dbg_cmd_done; + + + //-------------------------------------------------------------------------------- + //-------------------------------------------------------------------------------- + // Triggers + // +localparam MTDATA1_DMODE = 9; +localparam MTDATA1_SEL = 7; +localparam MTDATA1_ACTION = 6; +localparam MTDATA1_CHAIN = 5; +localparam MTDATA1_MATCH = 4; +localparam MTDATA1_M_ENABLED = 3; +localparam MTDATA1_EXE = 2; +localparam MTDATA1_ST = 1; +localparam MTDATA1_LD = 0; + + // Prioritize trigger hits with other exceptions. + // + // Trigger should have highest priority except: + // - trigger is an execute-data and there is an inst_access exception (lsu triggers won't fire, inst. is nop'd by decode) + // - trigger is a store-data and there is a lsu_acc_exc or lsu_ma_exc. + assign trigger_execute[3:0] = {mtdata1_t3[MTDATA1_EXE], mtdata1_t2[MTDATA1_EXE], mtdata1_t1[MTDATA1_EXE], mtdata1_t0[MTDATA1_EXE]}; + assign trigger_data[3:0] = {mtdata1_t3[MTDATA1_SEL], mtdata1_t2[MTDATA1_SEL], mtdata1_t1[MTDATA1_SEL], mtdata1_t0[MTDATA1_SEL]}; + assign trigger_store[3:0] = {mtdata1_t3[MTDATA1_ST], mtdata1_t2[MTDATA1_ST], mtdata1_t1[MTDATA1_ST], mtdata1_t0[MTDATA1_ST]}; + + // MSTATUS[MIE] needs to be on to take triggers unless the action is trigger to debug mode. + assign trigger_enabled[3:0] = {(mtdata1_t3[MTDATA1_ACTION] | mstatus[MSTATUS_MIE]) & mtdata1_t3[MTDATA1_M_ENABLED], + (mtdata1_t2[MTDATA1_ACTION] | mstatus[MSTATUS_MIE]) & mtdata1_t2[MTDATA1_M_ENABLED], + (mtdata1_t1[MTDATA1_ACTION] | mstatus[MSTATUS_MIE]) & mtdata1_t1[MTDATA1_M_ENABLED], + (mtdata1_t0[MTDATA1_ACTION] | mstatus[MSTATUS_MIE]) & mtdata1_t0[MTDATA1_M_ENABLED]}; + + // iside exceptions are always in i0 + assign i0_iside_trigger_has_pri_r[3:0] = ~( (trigger_execute[3:0] & trigger_data[3:0] & {4{inst_acc_r_raw}}) | // exe-data with inst_acc + ({4{exu_i0_br_error_r | exu_i0_br_start_error_r}})); // branch error in i0 + + // lsu excs have to line up with their respective triggers since the lsu op can be i0 + assign i0_lsu_trigger_has_pri_r[3:0] = ~(trigger_store[3:0] & trigger_data[3:0] & {4{lsu_i0_exc_r_raw}}); + + // trigger hits have to be eval'd to cancel side effect lsu ops even though the pipe is already frozen + assign i0_trigger_eval_r = dec_tlu_i0_valid_r; + + assign i0trigger_qual_r[3:0] = {4{i0_trigger_eval_r}} & dec_tlu_packet_r.i0trigger[3:0] & i0_iside_trigger_has_pri_r[3:0] & i0_lsu_trigger_has_pri_r[3:0] & trigger_enabled[3:0]; + + // Qual trigger hits + assign i0_trigger_r[3:0] = ~{4{dec_tlu_flush_lower_wb | dec_tlu_dbg_halted}} & i0trigger_qual_r[3:0]; + + // chaining can mask raw trigger info + assign i0_trigger_chain_masked_r[3:0] = {i0_trigger_r[3] & (~mtdata1_t2[MTDATA1_CHAIN] | i0_trigger_r[2]), + i0_trigger_r[2] & (~mtdata1_t2[MTDATA1_CHAIN] | i0_trigger_r[3]), + i0_trigger_r[1] & (~mtdata1_t0[MTDATA1_CHAIN] | i0_trigger_r[0]), + i0_trigger_r[0] & (~mtdata1_t0[MTDATA1_CHAIN] | i0_trigger_r[1])}; + + // This is the highest priority by this point. + assign i0_trigger_hit_raw_r = |i0_trigger_chain_masked_r[3:0]; + + assign i0_trigger_hit_r = i0_trigger_hit_raw_r; + + // Actions include breakpoint, or dmode. Dmode is only possible if the DMODE bit is set. + // Otherwise, take a breakpoint. + assign trigger_action[3:0] = {mtdata1_t3[MTDATA1_ACTION] & mtdata1_t3[MTDATA1_DMODE], + mtdata1_t2[MTDATA1_ACTION] & mtdata1_t2[MTDATA1_DMODE] & ~mtdata1_t2[MTDATA1_CHAIN], + mtdata1_t1[MTDATA1_ACTION] & mtdata1_t1[MTDATA1_DMODE], + mtdata1_t0[MTDATA1_ACTION] & mtdata1_t0[MTDATA1_DMODE] & ~mtdata1_t0[MTDATA1_CHAIN]}; + + // this is needed to set the HIT bit in the triggers + assign update_hit_bit_r[3:0] = ({4{|i0_trigger_r[3:0] & ~rfpc_i0_r}} & {i0_trigger_chain_masked_r[3], i0_trigger_r[2], i0_trigger_chain_masked_r[1], i0_trigger_r[0]}); + + // action, 1 means dmode. Simultaneous triggers with at least 1 set for dmode force entire action to dmode. + assign i0_trigger_action_r = |(i0_trigger_chain_masked_r[3:0] & trigger_action[3:0]); + + assign trigger_hit_dmode_r = (i0_trigger_hit_r & i0_trigger_action_r); + + assign mepc_trigger_hit_sel_pc_r = i0_trigger_hit_r & ~trigger_hit_dmode_r; + + +// +// Debug end +//-------------------------------------------------------------------------------- + + //---------------------------------------------------------------------- + // + // Commit + // + //---------------------------------------------------------------------- + + + + //-------------------------------------------------------------------------------- + // External halt (not debug halt) + // - Fully interlocked handshake + // i_cpu_halt_req ____|--------------|_______________ + // core_empty ---------------|___________ + // o_cpu_halt_ack _________________|----|__________ + // o_cpu_halt_status _______________|---------------------|_________ + // i_cpu_run_req ______|----------|____ + // o_cpu_run_ack ____________|------|________ + // + + + // debug mode has priority, ignore PMU/FW halt/run while in debug mode + assign i_cpu_halt_req_sync_qual = i_cpu_halt_req_sync & ~dec_tlu_debug_mode & ~ext_int_freeze_d1; + assign i_cpu_run_req_sync_qual = i_cpu_run_req_sync & ~dec_tlu_debug_mode & pmu_fw_tlu_halted_f & ~ext_int_freeze_d1; + + rvdffie #(10) exthaltff (.*, .clk(free_l2clk), .din({i_cpu_halt_req_sync_qual, i_cpu_run_req_sync_qual, cpu_halt_status, + cpu_halt_ack, cpu_run_ack, internal_pmu_fw_halt_mode, + pmu_fw_halt_req_ns, pmu_fw_tlu_halted, + int_timer0_int_hold, int_timer1_int_hold}), + .dout({i_cpu_halt_req_d1, i_cpu_run_req_d1_raw, o_cpu_halt_status, + o_cpu_halt_ack, o_cpu_run_ack, internal_pmu_fw_halt_mode_f, + pmu_fw_halt_req_f, pmu_fw_tlu_halted_f, + int_timer0_int_hold_f, int_timer1_int_hold_f})); + + // only happens if we aren't in dgb_halt + assign ext_halt_pulse = i_cpu_halt_req_sync_qual & ~i_cpu_halt_req_d1; + + assign enter_pmu_fw_halt_req = ext_halt_pulse | fw_halt_req; + + assign pmu_fw_halt_req_ns = (enter_pmu_fw_halt_req | (pmu_fw_halt_req_f & ~pmu_fw_tlu_halted)) & ~debug_halt_req_f; + + assign internal_pmu_fw_halt_mode = pmu_fw_halt_req_ns | (internal_pmu_fw_halt_mode_f & ~i_cpu_run_req_d1 & ~debug_halt_req_f); + + // debug halt has priority + assign pmu_fw_tlu_halted = ((pmu_fw_halt_req_f & core_empty & halt_taken & ~enter_debug_halt_req) | (pmu_fw_tlu_halted_f & ~i_cpu_run_req_d1)) & ~debug_halt_req_f; + + assign cpu_halt_ack = (i_cpu_halt_req_d1 & pmu_fw_tlu_halted_f) | (o_cpu_halt_ack & i_cpu_halt_req_sync); + assign cpu_halt_status = (pmu_fw_tlu_halted_f & ~i_cpu_run_req_d1) | (o_cpu_halt_status & ~i_cpu_run_req_d1 & ~internal_dbg_halt_mode_f); + assign cpu_run_ack = (~pmu_fw_tlu_halted_f & i_cpu_run_req_sync) | (o_cpu_halt_status & i_cpu_run_req_d1_raw) | (o_cpu_run_ack & i_cpu_run_req_sync); + assign debug_mode_status = internal_dbg_halt_mode_f; + assign o_debug_mode_status = debug_mode_status; + + + // high priority interrupts can wakeup from external halt, so can unmasked timer interrupts + assign i_cpu_run_req_d1 = i_cpu_run_req_d1_raw | ((nmi_int_detected | timer_int_ready | soft_int_ready | int_timer0_int_hold_f | int_timer1_int_hold_f | (mhwakeup & mhwakeup_ready)) & o_cpu_halt_status & ~i_cpu_halt_req_d1); + + //-------------------------------------------------------------------------------- + //-------------------------------------------------------------------------------- + + assign lsu_single_ecc_error_r = lsu_single_ecc_error_incr; + + assign lsu_error_pkt_addr_r[31:0] = lsu_error_pkt_r.addr[31:0]; + + + assign lsu_exc_valid_r_raw = lsu_error_pkt_r.exc_valid & ~dec_tlu_flush_lower_wb; + + assign lsu_i0_exc_r_raw = lsu_error_pkt_r.exc_valid; + + assign lsu_i0_exc_r = lsu_i0_exc_r_raw & lsu_exc_valid_r_raw & ~i0_trigger_hit_r & ~rfpc_i0_r; + + assign lsu_exc_valid_r = lsu_i0_exc_r; + + assign lsu_exc_ma_r = lsu_i0_exc_r & ~lsu_error_pkt_r.exc_type; + assign lsu_exc_acc_r = lsu_i0_exc_r & lsu_error_pkt_r.exc_type; + assign lsu_exc_st_r = lsu_i0_exc_r & lsu_error_pkt_r.inst_type; + + // Single bit ECC errors on loads are RFNPC corrected, with the corrected data written to the GPR. + // LSU turns the load into a store and patches the data in the DCCM + assign lsu_i0_rfnpc_r = dec_tlu_i0_valid_r & ~i0_trigger_hit_r & + (~lsu_error_pkt_r.inst_type & lsu_error_pkt_r.single_ecc_error); + + // Final commit valids + assign tlu_i0_commit_cmt = dec_tlu_i0_valid_r & + ~rfpc_i0_r & + ~lsu_i0_exc_r & + ~inst_acc_r & + ~dec_tlu_dbg_halted & + ~request_debug_mode_r_d1 & + ~i0_trigger_hit_r; + + // unified place to manage the killing of arch state writebacks + assign tlu_i0_kill_writeb_r = rfpc_i0_r | lsu_i0_exc_r | inst_acc_r | (illegal_r & dec_tlu_dbg_halted) | i0_trigger_hit_r; + assign dec_tlu_i0_commit_cmt = tlu_i0_commit_cmt; + + + // refetch PC, microarch flush + // ic errors only in pipe0 + assign rfpc_i0_r = ((dec_tlu_i0_valid_r & ~tlu_flush_lower_r_d1 & (exu_i0_br_error_r | exu_i0_br_start_error_r)) | // inst commit with rfpc + ((ic_perr_r | iccm_sbecc_r) & ~ext_int_freeze_d1)) & // ic/iccm without inst commit + ~i0_trigger_hit_r & // unless there's a trigger. Err signal to ic/iccm will assert anyway to clear the error. + ~lsu_i0_rfnpc_r; + + // From the indication of a iccm single bit error until the first commit or flush, maintain a repair state. In the repair state, rfnpc i0 commits. + assign iccm_repair_state_ns = iccm_sbecc_r | (iccm_repair_state_d1 & ~dec_tlu_flush_lower_r); + + + localparam MCPC = 12'h7c2; + + // this is a flush of last resort, meaning only assert it if there is no other flush happening. + assign iccm_repair_state_rfnpc = tlu_i0_commit_cmt & iccm_repair_state_d1 & + ~(ebreak_r | ecall_r | mret_r | take_reset | illegal_r | (dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCPC))); + +if(pt.BTB_ENABLE==1) begin + // go ahead and repair the branch error on other flushes, doesn't have to be the rfpc flush + assign dec_tlu_br0_error_r = exu_i0_br_error_r & dec_tlu_i0_valid_r & ~tlu_flush_lower_r_d1; + assign dec_tlu_br0_start_error_r = exu_i0_br_start_error_r & dec_tlu_i0_valid_r & ~tlu_flush_lower_r_d1; + assign dec_tlu_br0_v_r = exu_i0_br_valid_r & dec_tlu_i0_valid_r & ~tlu_flush_lower_r_d1 & (~exu_i0_br_mp_r | ~exu_pmu_i0_br_ataken); + + + assign dec_tlu_br0_r_pkt.hist[1:0] = exu_i0_br_hist_r[1:0]; + assign dec_tlu_br0_r_pkt.br_error = dec_tlu_br0_error_r; + assign dec_tlu_br0_r_pkt.br_start_error = dec_tlu_br0_start_error_r; + assign dec_tlu_br0_r_pkt.valid = dec_tlu_br0_v_r; + assign dec_tlu_br0_r_pkt.way = exu_i0_br_way_r; + assign dec_tlu_br0_r_pkt.middle = exu_i0_br_middle_r; +end // if (pt.BTB_ENABLE==1) +else begin + assign dec_tlu_br0_error_r = '0; + assign dec_tlu_br0_start_error_r = '0; + assign dec_tlu_br0_v_r = '0; + assign dec_tlu_br0_r_pkt = '0; +end // else: !if(pt.BTB_ENABLE==1) + + + // only expect these in pipe 0 + assign ebreak_r = (dec_tlu_packet_r.pmu_i0_itype == EBREAK) & dec_tlu_i0_valid_r & ~i0_trigger_hit_r & ~dcsr[DCSR_EBREAKM] & ~rfpc_i0_r; + assign ecall_r = (dec_tlu_packet_r.pmu_i0_itype == ECALL) & dec_tlu_i0_valid_r & ~i0_trigger_hit_r & ~rfpc_i0_r; + assign illegal_r = ~dec_tlu_packet_r.legal & dec_tlu_i0_valid_r & ~i0_trigger_hit_r & ~rfpc_i0_r; + assign mret_r = (dec_tlu_packet_r.pmu_i0_itype == MRET) & dec_tlu_i0_valid_r & ~i0_trigger_hit_r & ~rfpc_i0_r; + // fence_i includes debug only fence_i's + assign fence_i_r = (dec_tlu_packet_r.fence_i & dec_tlu_i0_valid_r & ~i0_trigger_hit_r) & ~rfpc_i0_r; + assign ic_perr_r = ifu_ic_error_start_f & ~ext_int_freeze_d1 & (~internal_dbg_halt_mode_f | dcsr_single_step_running) & ~internal_pmu_fw_halt_mode_f; + assign iccm_sbecc_r = ifu_iccm_rd_ecc_single_err_f & ~ext_int_freeze_d1 & (~internal_dbg_halt_mode_f | dcsr_single_step_running) & ~internal_pmu_fw_halt_mode_f; + assign inst_acc_r_raw = dec_tlu_packet_r.icaf & dec_tlu_i0_valid_r; + assign inst_acc_r = inst_acc_r_raw & ~rfpc_i0_r & ~i0_trigger_hit_r; + assign inst_acc_second_r = dec_tlu_packet_r.icaf_second; + + assign ebreak_to_debug_mode_r = (dec_tlu_packet_r.pmu_i0_itype == EBREAK) & dec_tlu_i0_valid_r & ~i0_trigger_hit_r & dcsr[DCSR_EBREAKM] & ~rfpc_i0_r; + + rvdff #(1) exctype_wb_ff (.*, .clk(e4e5_clk), + .din (ebreak_to_debug_mode_r ), + .dout(ebreak_to_debug_mode_r_d1)); + + assign dec_tlu_fence_i_r = fence_i_r; + // + // Exceptions + // + // - MEPC <- PC + // - PC <- MTVEC, assert flush_lower + // - MCAUSE <- cause + // - MSCAUSE <- secondary cause + // - MTVAL <- + // - MPIE <- MIE + // - MIE <- 0 + // + assign i0_exception_valid_r = (ebreak_r | ecall_r | illegal_r | inst_acc_r) & ~rfpc_i0_r & ~dec_tlu_dbg_halted; + + // Cause: + // + // 0x2 : illegal + // 0x3 : breakpoint + // 0xb : Environment call M-mode + + + assign exc_cause_r[4:0] = ( ({5{take_ext_int}} & 5'h0b) | + ({5{take_timer_int}} & 5'h07) | + ({5{take_soft_int}} & 5'h03) | + ({5{take_int_timer0_int}} & 5'h1d) | + ({5{take_int_timer1_int}} & 5'h1c) | + ({5{take_ce_int}} & 5'h1e) | + ({5{illegal_r}} & 5'h02) | + ({5{ecall_r}} & 5'h0b) | + ({5{inst_acc_r}} & 5'h01) | + ({5{ebreak_r | i0_trigger_hit_r}} & 5'h03) | + ({5{lsu_exc_ma_r & ~lsu_exc_st_r}} & 5'h04) | + ({5{lsu_exc_acc_r & ~lsu_exc_st_r}} & 5'h05) | + ({5{lsu_exc_ma_r & lsu_exc_st_r}} & 5'h06) | + ({5{lsu_exc_acc_r & lsu_exc_st_r}} & 5'h07) + ) & ~{5{take_nmi}}; + + // + // Interrupts + // + // exceptions that are committed have already happened and will cause an int at E4 to wait a cycle + // or more if MSTATUS[MIE] is cleared. + // + // -in priority order, highest to lowest + // -single cycle window where a csr write to MIE/MSTATUS is at E4 when the other conditions for externals are met. + // Hold off externals for a cycle to make sure we are consistent with what was just written + assign mhwakeup_ready = ~dec_csr_stall_int_ff & mstatus_mie_ns & mip[MIP_MEIP] & mie_ns[MIE_MEIE]; + assign ext_int_ready = ~dec_csr_stall_int_ff & mstatus_mie_ns & mip[MIP_MEIP] & mie_ns[MIE_MEIE] & ~ignore_ext_int_due_to_lsu_stall; + assign ce_int_ready = ~dec_csr_stall_int_ff & mstatus_mie_ns & mip[MIP_MCEIP] & mie_ns[MIE_MCEIE]; + assign soft_int_ready = ~dec_csr_stall_int_ff & mstatus_mie_ns & mip[MIP_MSIP] & mie_ns[MIE_MSIE]; + assign timer_int_ready = ~dec_csr_stall_int_ff & mstatus_mie_ns & mip[MIP_MTIP] & mie_ns[MIE_MTIE]; + + // MIP for internal timers pulses for 1 clock, resets the timer counter. Mip won't hold past the various stall conditions. + assign int_timer0_int_possible = mstatus_mie_ns & mie_ns[MIE_MITIE0]; + assign int_timer0_int_ready = mip[MIP_MITIP0] & int_timer0_int_possible; + assign int_timer1_int_possible = mstatus_mie_ns & mie_ns[MIE_MITIE1]; + assign int_timer1_int_ready = mip[MIP_MITIP1] & int_timer1_int_possible; + + // Internal timers pulse and reset. If core is PMU/FW halted, the pulse will cause an exit from halt, but won't stick around + // Make it sticky, also for 1 cycle stall conditions. + assign int_timer_stalled = dec_csr_stall_int_ff | synchronous_flush_r | exc_or_int_valid_r_d1 | mret_r; + + assign int_timer0_int_hold = (int_timer0_int_ready & (pmu_fw_tlu_halted_f | int_timer_stalled)) | (int_timer0_int_possible & int_timer0_int_hold_f & ~interrupt_valid_r & ~take_ext_int_start & ~internal_dbg_halt_mode_f); + assign int_timer1_int_hold = (int_timer1_int_ready & (pmu_fw_tlu_halted_f | int_timer_stalled)) | (int_timer1_int_possible & int_timer1_int_hold_f & ~interrupt_valid_r & ~take_ext_int_start & ~internal_dbg_halt_mode_f); + + + assign internal_dbg_halt_timers = internal_dbg_halt_mode_f & ~dcsr_single_step_running; + + + assign block_interrupts = ( (internal_dbg_halt_mode & (~dcsr_single_step_running | dec_tlu_i0_valid_r)) | // No ints in db-halt unless we are single stepping + internal_pmu_fw_halt_mode | i_cpu_halt_req_d1 |// No ints in PMU/FW halt. First we exit halt + take_nmi | // NMI is top priority + ebreak_to_debug_mode_r | // Heading to debug mode, hold off ints + synchronous_flush_r | // exception flush this cycle + exc_or_int_valid_r_d1 | // ext/int past cycle (need time for MIE to update) + mret_r | // mret in progress, for cases were ISR enables ints before mret + ext_int_freeze_d1 // Fast interrupt in progress (optional) + ); + + +if (pt.FAST_INTERRUPT_REDIRECT) begin + + + assign take_ext_int_start = ext_int_ready & ~block_interrupts; + + assign ext_int_freeze = take_ext_int_start | take_ext_int_start_d1 | take_ext_int_start_d2 | take_ext_int_start_d3; + assign take_ext_int = take_ext_int_start_d3 & ~|lsu_fir_error[1:0]; + assign fast_int_meicpct = csr_meicpct & dec_csr_any_unq_d; // MEICPCT becomes illegal if fast ints are enabled + + assign ignore_ext_int_due_to_lsu_stall = lsu_fastint_stall_any; +end +else begin + assign take_ext_int_start = 1'b0; + assign ext_int_freeze = 1'b0; + assign ext_int_freeze_d1 = 1'b0; + assign take_ext_int_start_d1 = 1'b0; + assign take_ext_int_start_d2 = 1'b0; + assign take_ext_int_start_d3 = 1'b0; + assign fast_int_meicpct = 1'b0; + assign ignore_ext_int_due_to_lsu_stall = 1'b0; + + assign take_ext_int = ext_int_ready & ~block_interrupts; +end + + assign take_ce_int = ce_int_ready & ~ext_int_ready & ~block_interrupts; + assign take_soft_int = soft_int_ready & ~ext_int_ready & ~ce_int_ready & ~block_interrupts; + assign take_timer_int = timer_int_ready & ~soft_int_ready & ~ext_int_ready & ~ce_int_ready & ~block_interrupts; + assign take_int_timer0_int = (int_timer0_int_ready | int_timer0_int_hold_f) & int_timer0_int_possible & ~dec_csr_stall_int_ff & + ~timer_int_ready & ~soft_int_ready & ~ext_int_ready & ~ce_int_ready & ~block_interrupts; + assign take_int_timer1_int = (int_timer1_int_ready | int_timer1_int_hold_f) & int_timer1_int_possible & ~dec_csr_stall_int_ff & + ~(int_timer0_int_ready | int_timer0_int_hold_f) & ~timer_int_ready & ~soft_int_ready & ~ext_int_ready & ~ce_int_ready & ~block_interrupts; + + assign take_reset = reset_delayed & mpc_reset_run_req; + assign take_nmi = nmi_int_detected & ~internal_pmu_fw_halt_mode & (~internal_dbg_halt_mode | (dcsr_single_step_running_f & dcsr[DCSR_STEPIE] & ~dec_tlu_i0_valid_r & ~dcsr_single_step_done_f)) & + ~synchronous_flush_r & ~mret_r & ~take_reset & ~ebreak_to_debug_mode_r & (~ext_int_freeze_d1 | (take_ext_int_start_d3 & |lsu_fir_error[1:0])); + + assign interrupt_valid_r = take_ext_int | take_timer_int | take_soft_int | take_nmi | take_ce_int | take_int_timer0_int | take_int_timer1_int; + + + // Compute interrupt path: + // If vectored async is set in mtvec, flush path for interrupts is MTVEC + (4 * CAUSE); + assign vectored_path[31:1] = {mtvec[30:1], 1'b0} + {25'b0, exc_cause_r[4:0], 1'b0}; + assign interrupt_path[31:1] = take_nmi ? nmi_vec[31:1] : ((mtvec[0] == 1'b1) ? vectored_path[31:1] : {mtvec[30:1], 1'b0}); + + assign sel_npc_r = lsu_i0_rfnpc_r | fence_i_r | iccm_repair_state_rfnpc | (i_cpu_run_req_d1 & ~interrupt_valid_r) | (rfpc_i0_r & ~dec_tlu_i0_valid_r); + assign sel_npc_resume = (i_cpu_run_req_d1 & pmu_fw_tlu_halted_f) | pause_expired_r; + + assign sel_fir_addr = take_ext_int_start_d3 & ~|lsu_fir_error[1:0]; + + assign synchronous_flush_r = i0_exception_valid_r | // exception + rfpc_i0_r | // rfpc + lsu_exc_valid_r | // lsu exception in either pipe 0 or pipe 1 + fence_i_r | // fence, a rfnpc + lsu_i0_rfnpc_r | // lsu dccm sb ecc + iccm_repair_state_rfnpc | // Iccm sb ecc + debug_resume_req_f | // resume from debug halt, fetch the dpc + sel_npc_resume | // resume from pmu/fw halt, or from pause and fetch the NPC + dec_tlu_wr_pause_r_d1 | // flush at start of pause + i0_trigger_hit_r; // trigger hit, ebreak or goto debug mode + + assign tlu_flush_lower_r = interrupt_valid_r | mret_r | synchronous_flush_r | take_halt | take_reset | take_ext_int_start; + + assign tlu_flush_path_r[31:1] = take_reset ? rst_vec[31:1] : + + ( ({31{sel_fir_addr}} & lsu_fir_addr[31:1]) | + ({31{~take_nmi & sel_npc_r}} & npc_r[31:1]) | + ({31{~take_nmi & rfpc_i0_r & dec_tlu_i0_valid_r & ~sel_npc_r}} & dec_tlu_i0_pc_r[31:1]) | + ({31{interrupt_valid_r & ~sel_fir_addr}} & interrupt_path[31:1]) | + ({31{(i0_exception_valid_r | lsu_exc_valid_r | + (i0_trigger_hit_r & ~trigger_hit_dmode_r)) & ~interrupt_valid_r & ~sel_fir_addr}} & {mtvec[30:1],1'b0}) | + ({31{~take_nmi & mret_r}} & mepc[31:1]) | + ({31{~take_nmi & debug_resume_req_f}} & dpc[31:1]) | + ({31{~take_nmi & sel_npc_resume}} & npc_r_d1[31:1]) ); + + rvdffpcie #(31) flush_lower_ff (.*, .en(tlu_flush_lower_r), + .din({tlu_flush_path_r[31:1]}), + .dout({tlu_flush_path_r_d1[31:1]})); + + assign dec_tlu_flush_lower_wb = tlu_flush_lower_r_d1; + assign dec_tlu_flush_lower_r = tlu_flush_lower_r; + assign dec_tlu_flush_path_r[31:1] = tlu_flush_path_r[31:1]; + + + // this is used to capture mepc, etc. + assign exc_or_int_valid_r = lsu_exc_valid_r | i0_exception_valid_r | interrupt_valid_r | (i0_trigger_hit_r & ~trigger_hit_dmode_r); + + + rvdffie #(12) excinfo_wb_ff (.*, + .din({interrupt_valid_r, i0_exception_valid_r, exc_or_int_valid_r, + exc_cause_r[4:0], tlu_i0_commit_cmt & ~illegal_r, i0_trigger_hit_r, + take_nmi, pause_expired_r }), + .dout({interrupt_valid_r_d1, i0_exception_valid_r_d1, exc_or_int_valid_r_d1, + exc_cause_wb[4:0], i0_valid_wb, trigger_hit_r_d1, + take_nmi_r_d1, pause_expired_wb})); + + //---------------------------------------------------------------------- + // + // CSRs + // + //---------------------------------------------------------------------- + + + // ---------------------------------------------------------------------- + // MISA (RO) + // [31:30] XLEN - implementation width, 2'b01 - 32 bits + // [12] M - integer mul/div + // [8] I - RV32I + // [2] C - Compressed extension + localparam MISA = 12'h301; + + // MVENDORID, MARCHID, MIMPID, MHARTID + localparam MVENDORID = 12'hf11; + localparam MARCHID = 12'hf12; + localparam MIMPID = 12'hf13; + localparam MHARTID = 12'hf14; + + + // ---------------------------------------------------------------------- + // MSTATUS (RW) + // [12:11] MPP : Prior priv level, always 2'b11, not flopped + // [7] MPIE : Int enable previous [1] + // [3] MIE : Int enable [0] + localparam MSTATUS = 12'h300; + + + //When executing a MRET instruction, supposing MPP holds the value 3, MIE + //is set to MPIE; the privilege mode is changed to 3; MPIE is set to 1; and MPP is set to 3 + + assign dec_csr_wen_r_mod = dec_csr_wen_r & ~i0_trigger_hit_r & ~rfpc_i0_r; + assign wr_mstatus_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MSTATUS); + + // set this even if we don't go to fwhalt due to debug halt. We committed the inst, so ... + assign set_mie_pmu_fw_halt = ~mpmc_b_ns[1] & fw_halt_req; + + assign mstatus_ns[1:0] = ( ({2{~wr_mstatus_r & exc_or_int_valid_r}} & {mstatus[MSTATUS_MIE], 1'b0}) | + ({2{ wr_mstatus_r & exc_or_int_valid_r}} & {dec_csr_wrdata_r[3], 1'b0}) | + ({2{mret_r & ~exc_or_int_valid_r}} & {1'b1, mstatus[1]}) | + ({2{set_mie_pmu_fw_halt}} & {mstatus[1], 1'b1}) | + ({2{wr_mstatus_r & ~exc_or_int_valid_r}} & {dec_csr_wrdata_r[7], dec_csr_wrdata_r[3]}) | + ({2{~wr_mstatus_r & ~exc_or_int_valid_r & ~mret_r & ~set_mie_pmu_fw_halt}} & mstatus[1:0]) ); + + // gate MIE if we are single stepping and DCSR[STEPIE] is off + assign mstatus_mie_ns = mstatus[MSTATUS_MIE] & (~dcsr_single_step_running_f | dcsr[DCSR_STEPIE]); + + // ---------------------------------------------------------------------- + // MTVEC (RW) + // [31:2] BASE : Trap vector base address + // [1] - Reserved, not implemented, reads zero + // [0] MODE : 0 = Direct, 1 = Asyncs are vectored to BASE + (4 * CAUSE) + localparam MTVEC = 12'h305; + + assign wr_mtvec_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTVEC); + assign mtvec_ns[30:0] = {dec_csr_wrdata_r[31:2], dec_csr_wrdata_r[0]} ; + rvdffe #(31) mtvec_ff (.*, .en(wr_mtvec_r), .din(mtvec_ns[30:0]), .dout(mtvec[30:0])); + + // ---------------------------------------------------------------------- + // MIP (RW) + // + // [30] MCEIP : (RO) M-Mode Correctable Error interrupt pending + // [29] MITIP0 : (RO) M-Mode Internal Timer0 interrupt pending + // [28] MITIP1 : (RO) M-Mode Internal Timer1 interrupt pending + // [11] MEIP : (RO) M-Mode external interrupt pending + // [7] MTIP : (RO) M-Mode timer interrupt pending + // [3] MSIP : (RO) M-Mode software interrupt pending + localparam MIP = 12'h344; + + assign ce_int = (mdccme_ce_req | miccme_ce_req | mice_ce_req); + + assign mip_ns[5:0] = {ce_int, dec_timer_t0_pulse, dec_timer_t1_pulse, mexintpend, timer_int_sync, soft_int_sync}; + + // ---------------------------------------------------------------------- + // MIE (RW) + // [30] MCEIE : (RO) M-Mode Correctable Error interrupt enable + // [29] MITIE0 : (RO) M-Mode Internal Timer0 interrupt enable + // [28] MITIE1 : (RO) M-Mode Internal Timer1 interrupt enable + // [11] MEIE : (RW) M-Mode external interrupt enable + // [7] MTIE : (RW) M-Mode timer interrupt enable + // [3] MSIE : (RW) M-Mode software interrupt enable + localparam MIE = 12'h304; + + assign wr_mie_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MIE); + assign mie_ns[5:0] = wr_mie_r ? {dec_csr_wrdata_r[30:28], dec_csr_wrdata_r[11], dec_csr_wrdata_r[7], dec_csr_wrdata_r[3]} : mie[5:0]; + rvdff #(6) mie_ff (.*, .clk(csr_wr_clk), .din(mie_ns[5:0]), .dout(mie[5:0])); + + + // ---------------------------------------------------------------------- + // MCYCLEL (RW) + // [31:0] : Lower Cycle count + + localparam MCYCLEL = 12'hb00; + + assign kill_ebreak_count_r = ebreak_to_debug_mode_r & dcsr[DCSR_STOPC]; + + assign wr_mcyclel_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCYCLEL); + + assign mcyclel_cout_in = ~(kill_ebreak_count_r | (dec_tlu_dbg_halted & dcsr[DCSR_STOPC]) | dec_tlu_pmu_fw_halted | mcountinhibit[0]); + + // split for power + assign {mcyclela_cout, mcyclel_inc[7:0]} = mcyclel[7:0] + {7'b0, 1'b1}; + assign {mcyclel_cout, mcyclel_inc[31:8]} = mcyclel[31:8] + {23'b0, mcyclela_cout}; + + assign mcyclel_ns[31:0] = wr_mcyclel_r ? dec_csr_wrdata_r[31:0] : mcyclel_inc[31:0]; + + rvdffe #(24) mcyclel_bff (.*, .clk(free_l2clk), .en(wr_mcyclel_r | (mcyclela_cout & mcyclel_cout_in)), .din(mcyclel_ns[31:8]), .dout(mcyclel[31:8])); + rvdffe #(8) mcyclel_aff (.*, .clk(free_l2clk), .en(wr_mcyclel_r | mcyclel_cout_in), .din(mcyclel_ns[7:0]), .dout(mcyclel[7:0])); + + // ---------------------------------------------------------------------- + // MCYCLEH (RW) + // [63:32] : Higher Cycle count + // Chained with mcyclel. Note: mcyclel overflow due to a mcycleh write gets ignored. + + localparam MCYCLEH = 12'hb80; + + assign wr_mcycleh_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCYCLEH); + + assign mcycleh_inc[31:0] = mcycleh[31:0] + {31'b0, mcyclel_cout_f}; + assign mcycleh_ns[31:0] = wr_mcycleh_r ? dec_csr_wrdata_r[31:0] : mcycleh_inc[31:0]; + + rvdffe #(32) mcycleh_ff (.*, .clk(free_l2clk), .en(wr_mcycleh_r | mcyclel_cout_f), .din(mcycleh_ns[31:0]), .dout(mcycleh[31:0])); + + // ---------------------------------------------------------------------- + // MINSTRETL (RW) + // [31:0] : Lower Instruction retired count + // From the spec "Some CSRs, such as the instructions retired counter, instret, may be modified as side effects + // of instruction execution. In these cases, if a CSR access instruction reads a CSR, it reads the + // value prior to the execution of the instruction. If a CSR access instruction writes a CSR, the + // update occurs after the execution of the instruction. In particular, a value written to instret by + // one instruction will be the value read by the following instruction (i.e., the increment of instret + // caused by the first instruction retiring happens before the write of the new value)." + localparam MINSTRETL = 12'hb02; + + assign i0_valid_no_ebreak_ecall_r = dec_tlu_i0_valid_r & ~(ebreak_r | ecall_r | ebreak_to_debug_mode_r | illegal_r | mcountinhibit[2]); + + assign wr_minstretl_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MINSTRETL); + + assign {minstretl_couta, minstretl_inc[7:0]} = minstretl[7:0] + {7'b0,1'b1}; + assign {minstretl_cout, minstretl_inc[31:8]} = minstretl[31:8] + {23'b0, minstretl_couta}; + + assign minstret_enable = (i0_valid_no_ebreak_ecall_r & tlu_i0_commit_cmt) | wr_minstretl_r; + + assign minstretl_cout_ns = minstretl_cout & ~wr_minstreth_r & i0_valid_no_ebreak_ecall_r & ~dec_tlu_dbg_halted; + + assign minstretl_ns[31:0] = wr_minstretl_r ? dec_csr_wrdata_r[31:0] : minstretl_inc[31:0]; + rvdffe #(24) minstretl_bff (.*, .en(wr_minstretl_r | (minstretl_couta & minstret_enable)), + .din(minstretl_ns[31:8]), .dout(minstretl[31:8])); + rvdffe #(8) minstretl_aff (.*, .en(minstret_enable), + .din(minstretl_ns[7:0]), .dout(minstretl[7:0])); + + + assign minstretl_read[31:0] = minstretl[31:0]; + // ---------------------------------------------------------------------- + // MINSTRETH (RW) + // [63:32] : Higher Instret count + // Chained with minstretl. Note: minstretl overflow due to a minstreth write gets ignored. + + localparam MINSTRETH = 12'hb82; + + assign wr_minstreth_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MINSTRETH); + + assign minstreth_inc[31:0] = minstreth[31:0] + {31'b0, minstretl_cout_f}; + assign minstreth_ns[31:0] = wr_minstreth_r ? dec_csr_wrdata_r[31:0] : minstreth_inc[31:0]; + rvdffe #(32) minstreth_ff (.*, .en((minstret_enable_f & minstretl_cout_f) | wr_minstreth_r), .din(minstreth_ns[31:0]), .dout(minstreth[31:0])); + + assign minstreth_read[31:0] = minstreth_inc[31:0]; + + // ---------------------------------------------------------------------- + // MSCRATCH (RW) + // [31:0] : Scratch register + localparam MSCRATCH = 12'h340; + + assign wr_mscratch_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MSCRATCH); + + rvdffe #(32) mscratch_ff (.*, .en(wr_mscratch_r), .din(dec_csr_wrdata_r[31:0]), .dout(mscratch[31:0])); + + // ---------------------------------------------------------------------- + // MEPC (RW) + // [31:1] : Exception PC + localparam MEPC = 12'h341; + + // NPC + + assign sel_exu_npc_r = ~dec_tlu_dbg_halted & ~tlu_flush_lower_r_d1 & dec_tlu_i0_valid_r; + assign sel_flush_npc_r = ~dec_tlu_dbg_halted & tlu_flush_lower_r_d1 & ~dec_tlu_flush_noredir_r_d1; + assign sel_hold_npc_r = ~sel_exu_npc_r & ~sel_flush_npc_r; + + assign npc_r[31:1] = ( ({31{sel_exu_npc_r}} & exu_npc_r[31:1]) | + ({31{~mpc_reset_run_req & reset_delayed}} & rst_vec[31:1]) | // init to reset vector for mpc halt on reset case + ({31{(sel_flush_npc_r)}} & tlu_flush_path_r_d1[31:1]) | + ({31{(sel_hold_npc_r)}} & npc_r_d1[31:1]) ); + + rvdffpcie #(31) npwbc_ff (.*, .en(sel_exu_npc_r | sel_flush_npc_r | reset_delayed), .din(npc_r[31:1]), .dout(npc_r_d1[31:1])); + + // PC has to be captured for exceptions and interrupts. For MRET, we could execute it and then take an + // interrupt before the next instruction. + assign pc0_valid_r = ~dec_tlu_dbg_halted & dec_tlu_i0_valid_r; + + assign pc_r[31:1] = ( ({31{ pc0_valid_r}} & dec_tlu_i0_pc_r[31:1]) | + ({31{~pc0_valid_r}} & pc_r_d1[31:1])); + + rvdffpcie #(31) pwbc_ff (.*, .en(pc0_valid_r), .din(pc_r[31:1]), .dout(pc_r_d1[31:1])); + + assign wr_mepc_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEPC); + + assign mepc_ns[31:1] = ( ({31{i0_exception_valid_r | lsu_exc_valid_r | mepc_trigger_hit_sel_pc_r}} & pc_r[31:1]) | + ({31{interrupt_valid_r}} & npc_r[31:1]) | + ({31{wr_mepc_r & ~exc_or_int_valid_r}} & dec_csr_wrdata_r[31:1]) | + ({31{~wr_mepc_r & ~exc_or_int_valid_r}} & mepc[31:1]) ); + + + rvdffe #(31) mepc_ff (.*, .en(i0_exception_valid_r | lsu_exc_valid_r | mepc_trigger_hit_sel_pc_r | interrupt_valid_r | wr_mepc_r), .din(mepc_ns[31:1]), .dout(mepc[31:1])); + + // ---------------------------------------------------------------------- + // MCAUSE (RW) + // [31:0] : Exception Cause + localparam MCAUSE = 12'h342; + + assign wr_mcause_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCAUSE); + assign mcause_sel_nmi_store = exc_or_int_valid_r & take_nmi & nmi_lsu_store_type; + assign mcause_sel_nmi_load = exc_or_int_valid_r & take_nmi & nmi_lsu_load_type; + assign mcause_sel_nmi_ext = exc_or_int_valid_r & take_nmi & take_ext_int_start_d3 & |lsu_fir_error[1:0] & ~nmi_int_detected_f; + // FIR value decoder + // 0 –no error + // 1 –uncorrectable ecc => f000_1000 + // 2 –dccm region access error => f000_1001 + // 3 –non dccm region access error => f000_1002 + assign mcause_fir_error_type[1:0] = {&lsu_fir_error[1:0], lsu_fir_error[1] & ~lsu_fir_error[0]}; + + assign mcause_ns[31:0] = ( ({32{mcause_sel_nmi_store}} & {32'hf000_0000}) | + ({32{mcause_sel_nmi_load}} & {32'hf000_0001}) | + ({32{mcause_sel_nmi_ext}} & {28'hf000_100, 2'b0, mcause_fir_error_type[1:0]}) | + ({32{exc_or_int_valid_r & ~take_nmi}} & {interrupt_valid_r, 26'b0, exc_cause_r[4:0]}) | + ({32{wr_mcause_r & ~exc_or_int_valid_r}} & dec_csr_wrdata_r[31:0]) | + ({32{~wr_mcause_r & ~exc_or_int_valid_r}} & mcause[31:0]) ); + + rvdffe #(32) mcause_ff (.*, .en(exc_or_int_valid_r | wr_mcause_r), .din(mcause_ns[31:0]), .dout(mcause[31:0])); + // ---------------------------------------------------------------------- + // MSCAUSE (RW) + // [2:0] : Secondary exception Cause + localparam MSCAUSE = 12'h7ff; + + assign wr_mscause_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MSCAUSE); + + assign ifu_mscause[3:0] = (dec_tlu_packet_r.icaf_type[1:0] == 2'b00) ? 4'b1001 : + {2'b00 , dec_tlu_packet_r.icaf_type[1:0]} ; + + assign mscause_type[3:0] = ( ({4{lsu_i0_exc_r}} & lsu_error_pkt_r.mscause[3:0]) | + ({4{i0_trigger_hit_r}} & 4'b0001) | + ({4{ebreak_r}} & 4'b0010) | + ({4{inst_acc_r}} & ifu_mscause[3:0]) + ); + + assign mscause_ns[3:0] = ( ({4{exc_or_int_valid_r}} & mscause_type[3:0]) | + ({4{ wr_mscause_r & ~exc_or_int_valid_r}} & dec_csr_wrdata_r[3:0]) | + ({4{~wr_mscause_r & ~exc_or_int_valid_r}} & mscause[3:0]) + ); + + rvdff #(4) mscause_ff (.*, .clk(e4e5_int_clk), .din(mscause_ns[3:0]), .dout(mscause[3:0])); + // ---------------------------------------------------------------------- + // MTVAL (RW) + // [31:0] : Exception address if relevant + localparam MTVAL = 12'h343; + + assign wr_mtval_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTVAL); + assign mtval_capture_pc_r = exc_or_int_valid_r & (ebreak_r | (inst_acc_r & ~inst_acc_second_r) | mepc_trigger_hit_sel_pc_r) & ~take_nmi; + assign mtval_capture_pc_plus2_r = exc_or_int_valid_r & (inst_acc_r & inst_acc_second_r) & ~take_nmi; + assign mtval_capture_inst_r = exc_or_int_valid_r & illegal_r & ~take_nmi; + assign mtval_capture_lsu_r = exc_or_int_valid_r & lsu_exc_valid_r & ~take_nmi; + assign mtval_clear_r = exc_or_int_valid_r & ~mtval_capture_pc_r & ~mtval_capture_inst_r & ~mtval_capture_lsu_r & ~mepc_trigger_hit_sel_pc_r; + + + assign mtval_ns[31:0] = (({32{mtval_capture_pc_r}} & {pc_r[31:1], 1'b0}) | + ({32{mtval_capture_pc_plus2_r}} & {pc_r[31:1] + 31'b1, 1'b0}) | + ({32{mtval_capture_inst_r}} & dec_illegal_inst[31:0]) | + ({32{mtval_capture_lsu_r}} & lsu_error_pkt_addr_r[31:0]) | + ({32{wr_mtval_r & ~interrupt_valid_r}} & dec_csr_wrdata_r[31:0]) | + ({32{~take_nmi & ~wr_mtval_r & ~mtval_capture_pc_r & ~mtval_capture_inst_r & ~mtval_clear_r & ~mtval_capture_lsu_r}} & mtval[31:0]) ); + + + rvdffe #(32) mtval_ff (.*, .en(tlu_flush_lower_r | wr_mtval_r), .din(mtval_ns[31:0]), .dout(mtval[31:0])); + + // ---------------------------------------------------------------------- + // MCGC (RW) Clock gating control + // [31:10]: Reserved, reads 0x0 + // [9] : picio_clk_override + // [7] : dec_clk_override + // [6] : Unused + // [5] : ifu_clk_override + // [4] : lsu_clk_override + // [3] : bus_clk_override + // [2] : pic_clk_override + // [1] : dccm_clk_override + // [0] : icm_clk_override + // + localparam MCGC = 12'h7f8; + assign wr_mcgc_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCGC); + + assign mcgc_ns[9:0] = wr_mcgc_r ? {~dec_csr_wrdata_r[9], dec_csr_wrdata_r[8:0]} : mcgc_int[9:0]; + rvdffe #(10) mcgc_ff (.*, .en(wr_mcgc_r), .din(mcgc_ns[9:0]), .dout(mcgc_int[9:0])); + + assign mcgc[9:0] = {~mcgc_int[9], mcgc_int[8:0]}; + + assign dec_tlu_picio_clk_override= mcgc[9]; + assign dec_tlu_misc_clk_override = mcgc[8]; + assign dec_tlu_dec_clk_override = mcgc[7]; + //sign dec_tlu_exu_clk_override = mcgc[6]; + assign dec_tlu_ifu_clk_override = mcgc[5]; + assign dec_tlu_lsu_clk_override = mcgc[4]; + assign dec_tlu_bus_clk_override = mcgc[3]; + assign dec_tlu_pic_clk_override = mcgc[2]; + assign dec_tlu_dccm_clk_override = mcgc[1]; + assign dec_tlu_icm_clk_override = mcgc[0]; + + // ---------------------------------------------------------------------- + // MFDC (RW) Feature Disable Control + // [31:19] : Reserved, reads 0x0 + // [18:16] : DMA QoS Prty + // [15:13] : Reserved, reads 0x0 + // [12] : Disable trace + // [11] : Disable external load forwarding + // [10] : Disable dual issue + // [9] : Disable pic multiple ints + // [8] : Disable core ecc + // [7] : Disable secondary alu?s + // [6] : Unused, 0x0 + // [5] : Disable non-blocking loads/divides + // [4] : Disable fast divide + // [3] : Disable branch prediction and return stack + // [2] : Disable write buffer coalescing + // [1] : Disable load misses that bypass the write buffer + // [0] : Disable pipelining - Enable single instruction execution + // + localparam MFDC = 12'h7f9; + + assign wr_mfdc_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MFDC); + + rvdffe #(16) mfdc_ff (.*, .en(wr_mfdc_r), .din({mfdc_ns[15:0]}), .dout(mfdc_int[15:0])); + + // flip poweron value of bit 6 for AXI build + if(pt.BUILD_AXI4==1) begin : axi4 + // flip poweron valid of bit 12 + assign mfdc_ns[15:0] = {~dec_csr_wrdata_r[18:16], dec_csr_wrdata_r[12], dec_csr_wrdata_r[11:7], ~dec_csr_wrdata_r[6], dec_csr_wrdata_r[5:0]}; + assign mfdc[18:0] = {~mfdc_int[15:13], 3'b0, mfdc_int[12], mfdc_int[11:7], ~mfdc_int[6], mfdc_int[5:0]}; + end + else begin + // flip poweron valid of bit 12 + assign mfdc_ns[15:0] = {~dec_csr_wrdata_r[18:16],dec_csr_wrdata_r[12:0]}; + assign mfdc[18:0] = {~mfdc_int[15:13], 3'b0, mfdc_int[12:0]}; + end + + + assign dec_tlu_dma_qos_prty[2:0] = mfdc[18:16]; + assign dec_tlu_trace_disable = mfdc[12]; + assign dec_tlu_external_ldfwd_disable = mfdc[11]; + assign dec_tlu_core_ecc_disable = 1'b1;//mfdc[8]; + assign dec_tlu_sideeffect_posted_disable = mfdc[6]; + assign dec_tlu_bpred_disable = mfdc[3]; + assign dec_tlu_wb_coalescing_disable = mfdc[2]; + assign dec_tlu_pipelining_disable = mfdc[0]; + + // ---------------------------------------------------------------------- + // MCPC (RW) Pause counter + // [31:0] : Reads 0x0, decs in the wb register in decode_ctl + + assign dec_tlu_wr_pause_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCPC) & ~interrupt_valid_r & ~take_ext_int_start; + + // ---------------------------------------------------------------------- + // MRAC (RW) + // [31:0] : Region Access Control Register, 16 regions, {side_effect, cachable} pairs + localparam MRAC = 12'h7c0; + + assign wr_mrac_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MRAC); + + // prevent pairs of 0x11, side_effect and cacheable + assign mrac_in[31:0] = {dec_csr_wrdata_r[31], dec_csr_wrdata_r[30] & ~dec_csr_wrdata_r[31], + dec_csr_wrdata_r[29], dec_csr_wrdata_r[28] & ~dec_csr_wrdata_r[29], + dec_csr_wrdata_r[27], dec_csr_wrdata_r[26] & ~dec_csr_wrdata_r[27], + dec_csr_wrdata_r[25], dec_csr_wrdata_r[24] & ~dec_csr_wrdata_r[25], + dec_csr_wrdata_r[23], dec_csr_wrdata_r[22] & ~dec_csr_wrdata_r[23], + dec_csr_wrdata_r[21], dec_csr_wrdata_r[20] & ~dec_csr_wrdata_r[21], + dec_csr_wrdata_r[19], dec_csr_wrdata_r[18] & ~dec_csr_wrdata_r[19], + dec_csr_wrdata_r[17], dec_csr_wrdata_r[16] & ~dec_csr_wrdata_r[17], + dec_csr_wrdata_r[15], dec_csr_wrdata_r[14] & ~dec_csr_wrdata_r[15], + dec_csr_wrdata_r[13], dec_csr_wrdata_r[12] & ~dec_csr_wrdata_r[13], + dec_csr_wrdata_r[11], dec_csr_wrdata_r[10] & ~dec_csr_wrdata_r[11], + dec_csr_wrdata_r[9], dec_csr_wrdata_r[8] & ~dec_csr_wrdata_r[9], + dec_csr_wrdata_r[7], dec_csr_wrdata_r[6] & ~dec_csr_wrdata_r[7], + dec_csr_wrdata_r[5], dec_csr_wrdata_r[4] & ~dec_csr_wrdata_r[5], + dec_csr_wrdata_r[3], dec_csr_wrdata_r[2] & ~dec_csr_wrdata_r[3], + dec_csr_wrdata_r[1], dec_csr_wrdata_r[0] & ~dec_csr_wrdata_r[1]}; + + rvdffe #(32) mrac_ff (.*, .en(wr_mrac_r), .din(mrac_in[31:0]), .dout(mrac[31:0])); + + // drive to LSU/IFU + assign dec_tlu_mrac_ff[31:0] = mrac[31:0]; + + // ---------------------------------------------------------------------- + // MDEAU (WAR0) + // [31:0] : Dbus Error Address Unlock register + // + localparam MDEAU = 12'hbc0; + + assign wr_mdeau_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MDEAU); + + + // ---------------------------------------------------------------------- + // MDSEAC (R) + // [31:0] : Dbus Store Error Address Capture register + // + localparam MDSEAC = 12'hfc0; + + // only capture error bus if the MDSEAC reg is not locked + assign mdseac_locked_ns = mdseac_en | (mdseac_locked_f & ~wr_mdeau_r); + + assign mdseac_en = (lsu_imprecise_error_store_any | lsu_imprecise_error_load_any) & ~nmi_int_detected_f & ~mdseac_locked_f; + + rvdffe #(32) mdseac_ff (.*, .en(mdseac_en), .din(lsu_imprecise_error_addr_any[31:0]), .dout(mdseac[31:0])); + + // ---------------------------------------------------------------------- + // MPMC (R0W1) + // [0] : FW halt + // [1] : Set MSTATUS[MIE] on halt + + localparam MPMC = 12'h7c6; + + assign wr_mpmc_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MPMC); + + // allow the cycle of the dbg halt flush that contains the wr_mpmc_r to + // set the mstatus bit potentially, use delayed version of internal dbg halt. + assign fw_halt_req = wr_mpmc_r & dec_csr_wrdata_r[0] & ~internal_dbg_halt_mode_f2 & ~ext_int_freeze_d1; + + assign fw_halted_ns = (fw_halt_req | fw_halted) & ~set_mie_pmu_fw_halt; + assign mpmc_b_ns[1] = wr_mpmc_r ? ~dec_csr_wrdata_r[1] : ~mpmc[1]; + rvdff #(1) mpmc_ff (.*, .clk(csr_wr_clk), .din(mpmc_b_ns[1]), .dout(mpmc_b[1])); + assign mpmc[1] = ~mpmc_b[1]; + + // ---------------------------------------------------------------------- + // MICECT (I-Cache error counter/threshold) + // [31:27] : Icache parity error threshold + // [26:0] : Icache parity error count + localparam MICECT = 12'h7f0; + + assign csr_sat[31:27] = (dec_csr_wrdata_r[31:27] > 5'd26) ? 5'd26 : dec_csr_wrdata_r[31:27]; + + assign wr_micect_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MICECT); + assign micect_inc[26:0] = micect[26:0] + {26'b0, ic_perr_r}; + assign micect_ns = wr_micect_r ? {csr_sat[31:27], dec_csr_wrdata_r[26:0]} : {micect[31:27], micect_inc[26:0]}; + + rvdffe #(32) micect_ff (.*, .en(wr_micect_r | ic_perr_r), .din(micect_ns[31:0]), .dout(micect[31:0])); + + assign mice_ce_req = |({32'hffffffff << micect[31:27]} & {5'b0, micect[26:0]}); + + // ---------------------------------------------------------------------- + // MICCMECT (ICCM error counter/threshold) + // [31:27] : ICCM parity error threshold + // [26:0] : ICCM parity error count + localparam MICCMECT = 12'h7f1; + + assign wr_miccmect_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MICCMECT); + assign miccmect_inc[26:0] = miccmect[26:0] + {26'b0, iccm_sbecc_r | iccm_dma_sb_error}; + assign miccmect_ns = wr_miccmect_r ? {csr_sat[31:27], dec_csr_wrdata_r[26:0]} : {miccmect[31:27], miccmect_inc[26:0]}; + + rvdffe #(32) miccmect_ff (.*, .clk(free_l2clk), .en(wr_miccmect_r | iccm_sbecc_r | iccm_dma_sb_error), .din(miccmect_ns[31:0]), .dout(miccmect[31:0])); + + assign miccme_ce_req = |({32'hffffffff << miccmect[31:27]} & {5'b0, miccmect[26:0]}); + + // ---------------------------------------------------------------------- + // MDCCMECT (DCCM error counter/threshold) + // [31:27] : DCCM parity error threshold + // [26:0] : DCCM parity error count + localparam MDCCMECT = 12'h7f2; + + assign wr_mdccmect_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MDCCMECT); + assign mdccmect_inc[26:0] = mdccmect[26:0] + {26'b0, lsu_single_ecc_error_r_d1}; + assign mdccmect_ns = wr_mdccmect_r ? {csr_sat[31:27], dec_csr_wrdata_r[26:0]} : {mdccmect[31:27], mdccmect_inc[26:0]}; + + rvdffe #(32) mdccmect_ff (.*, .clk(free_l2clk), .en(wr_mdccmect_r | lsu_single_ecc_error_r_d1), .din(mdccmect_ns[31:0]), .dout(mdccmect[31:0])); + + assign mdccme_ce_req = |({32'hffffffff << mdccmect[31:27]} & {5'b0, mdccmect[26:0]}); + + + // ---------------------------------------------------------------------- + // MFDHT (Force Debug Halt Threshold) + // [5:1] : Halt timeout threshold (power of 2) + // [0] : Halt timeout enabled + localparam MFDHT = 12'h7ce; + + assign wr_mfdht_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MFDHT); + + assign mfdht_ns[5:0] = wr_mfdht_r ? dec_csr_wrdata_r[5:0] : mfdht[5:0]; + + rvdffs #(6) mfdht_ff (.*, .clk(csr_wr_clk), .en(wr_mfdht_r), .din(mfdht_ns[5:0]), .dout(mfdht[5:0])); + + // ---------------------------------------------------------------------- + // MFDHS(RW) + // [1] : LSU operation pending when debug halt threshold reached + // [0] : IFU operation pending when debug halt threshold reached + + localparam MFDHS = 12'h7cf; + + assign wr_mfdhs_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MFDHS); + + assign mfdhs_ns[1:0] = wr_mfdhs_r ? dec_csr_wrdata_r[1:0] : ((dbg_tlu_halted & ~dbg_tlu_halted_f) ? {~lsu_idle_any_f, ~ifu_miss_state_idle_f} : mfdhs[1:0]); + + rvdffs #(2) mfdhs_ff (.*, .clk(free_clk), .en(wr_mfdhs_r | dbg_tlu_halted), .din(mfdhs_ns[1:0]), .dout(mfdhs[1:0])); + + assign force_halt_ctr[31:0] = debug_halt_req_f ? (force_halt_ctr_f[31:0] + 32'b1) : (dbg_tlu_halted_f ? 32'b0 : force_halt_ctr_f[31:0]); + + rvdffe #(32) forcehaltctr_ff (.*, .en(mfdht[0]), .din(force_halt_ctr[31:0]), .dout(force_halt_ctr_f[31:0])); + + assign force_halt = mfdht[0] & |(force_halt_ctr_f[31:0] & (32'hffffffff << mfdht[5:1])); + + + // ---------------------------------------------------------------------- + // MEIVT (External Interrupt Vector Table (R/W)) + // [31:10]: Base address (R/W) + // [9:0] : Reserved, reads 0x0 + localparam MEIVT = 12'hbc8; + + assign wr_meivt_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEIVT); + + rvdffe #(22) meivt_ff (.*, .en(wr_meivt_r), .din(dec_csr_wrdata_r[31:10]), .dout(meivt[31:10])); + + + // ---------------------------------------------------------------------- + // MEIHAP (External Interrupt Handler Access Pointer (R)) + // [31:10]: Base address (R/W) + // [9:2] : ClaimID (R) + // [1:0] : Reserved, 0x0 + localparam MEIHAP = 12'hfc8; + + assign wr_meihap_r = wr_meicpct_r; + + rvdffe #(8) meihap_ff (.*, .en(wr_meihap_r), .din(pic_claimid[7:0]), .dout(meihap[9:2])); + + assign dec_tlu_meihap[31:2] = {meivt[31:10], meihap[9:2]}; + // ---------------------------------------------------------------------- + // MEICURPL (R/W) + // [31:4] : Reserved (read 0x0) + // [3:0] : CURRPRI - Priority level of current interrupt service routine (R/W) + localparam MEICURPL = 12'hbcc; + + assign wr_meicurpl_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEICURPL); + assign meicurpl_ns[3:0] = wr_meicurpl_r ? dec_csr_wrdata_r[3:0] : meicurpl[3:0]; + + rvdff #(4) meicurpl_ff (.*, .clk(csr_wr_clk), .din(meicurpl_ns[3:0]), .dout(meicurpl[3:0])); + + // PIC needs this reg + assign dec_tlu_meicurpl[3:0] = meicurpl[3:0]; + + + // ---------------------------------------------------------------------- + // MEICIDPL (R/W) + // [31:4] : Reserved (read 0x0) + // [3:0] : External Interrupt Claim ID's Priority Level Register + localparam MEICIDPL = 12'hbcb; + + assign wr_meicidpl_r = (dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEICIDPL)) | take_ext_int_start; + + assign meicidpl_ns[3:0] = wr_meicpct_r ? pic_pl[3:0] : (wr_meicidpl_r ? dec_csr_wrdata_r[3:0] : meicidpl[3:0]); + + + // ---------------------------------------------------------------------- + // MEICPCT (Capture CLAIMID in MEIHAP and PL in MEICIDPL + // [31:1] : Reserved (read 0x0) + // [0] : Capture (W1, Read 0) + localparam MEICPCT = 12'hbca; + + assign wr_meicpct_r = (dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEICPCT)) | take_ext_int_start; + + // ---------------------------------------------------------------------- + // MEIPT (External Interrupt Priority Threshold) + // [31:4] : Reserved (read 0x0) + // [3:0] : PRITHRESH + localparam MEIPT = 12'hbc9; + + assign wr_meipt_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEIPT); + assign meipt_ns[3:0] = wr_meipt_r ? dec_csr_wrdata_r[3:0] : meipt[3:0]; + + rvdff #(4) meipt_ff (.*, .clk(csr_wr_clk), .din(meipt_ns[3:0]), .dout(meipt[3:0])); + + // to PIC + assign dec_tlu_meipt[3:0] = meipt[3:0]; + // ---------------------------------------------------------------------- + // DCSR (R/W) (Only accessible in debug mode) + // [31:28] : xdebugver (hard coded to 0x4) RO + // [27:16] : 0x0, reserved + // [15] : ebreakm + // [14] : 0x0, reserved + // [13] : ebreaks (0x0 for this core) + // [12] : ebreaku (0x0 for this core) + // [11] : stepie + // [10] : stopcount + // [9] : 0x0 //stoptime + // [8:6] : cause (RO) + // [5:4] : 0x0, reserved + // [3] : nmip + // [2] : step + // [1:0] : prv (0x3 for this core) + // + localparam DCSR = 12'h7b0; + + // RV has clarified that 'priority 4' in the spec means top priority. + // 4. single step. 3. Debugger request. 2. Ebreak. 1. Trigger. + + // RV debug spec indicates a cause priority change for trigger hits during single step. + assign trigger_hit_for_dscr_cause_r_d1 = trigger_hit_dmode_r_d1 | (trigger_hit_r_d1 & dcsr_single_step_done_f); + + assign dcsr_cause[8:6] = ( ({3{dcsr_single_step_done_f & ~ebreak_to_debug_mode_r_d1 & ~trigger_hit_for_dscr_cause_r_d1 & ~debug_halt_req}} & 3'b100) | + ({3{debug_halt_req & ~ebreak_to_debug_mode_r_d1 & ~trigger_hit_for_dscr_cause_r_d1}} & 3'b011) | + ({3{ebreak_to_debug_mode_r_d1 & ~trigger_hit_for_dscr_cause_r_d1}} & 3'b001) | + ({3{trigger_hit_for_dscr_cause_r_d1}} & 3'b010)); + + assign wr_dcsr_r = allow_dbg_halt_csr_write & dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == DCSR); + + + + // Multiple halt enter requests can happen before we are halted. + // We have to continue to upgrade based on dcsr_cause priority but we can't downgrade. + assign dcsr_cause_upgradeable = internal_dbg_halt_mode_f & (dcsr[8:6] == 3'b011); + assign enter_debug_halt_req_le = enter_debug_halt_req & (~dbg_tlu_halted | dcsr_cause_upgradeable); + + assign nmi_in_debug_mode = nmi_int_detected_f & internal_dbg_halt_mode_f; + assign dcsr_ns[15:2] = enter_debug_halt_req_le ? {dcsr[15:9], dcsr_cause[8:6], dcsr[5:2]} : + (wr_dcsr_r ? {dec_csr_wrdata_r[15], 3'b0, dec_csr_wrdata_r[11:10], 1'b0, dcsr[8:6], 2'b00, nmi_in_debug_mode | dcsr[3], dec_csr_wrdata_r[2]} : + {dcsr[15:4], nmi_in_debug_mode, dcsr[2]}); + + rvdffe #(14) dcsr_ff (.*, .clk(free_l2clk), .en(enter_debug_halt_req_le | wr_dcsr_r | internal_dbg_halt_mode | take_nmi), .din(dcsr_ns[15:2]), .dout(dcsr[15:2])); + + // ---------------------------------------------------------------------- + // DPC (R/W) (Only accessible in debug mode) + // [31:0] : Debug PC + localparam DPC = 12'h7b1; + + assign wr_dpc_r = allow_dbg_halt_csr_write & dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == DPC); + assign dpc_capture_npc = dbg_tlu_halted & ~dbg_tlu_halted_f & ~request_debug_mode_done; + assign dpc_capture_pc = request_debug_mode_r; + + assign dpc_ns[31:1] = ( ({31{~dpc_capture_pc & ~dpc_capture_npc & wr_dpc_r}} & dec_csr_wrdata_r[31:1]) | + ({31{dpc_capture_pc}} & pc_r[31:1]) | + ({31{~dpc_capture_pc & dpc_capture_npc}} & npc_r[31:1]) ); + + rvdffe #(31) dpc_ff (.*, .en(wr_dpc_r | dpc_capture_pc | dpc_capture_npc), .din(dpc_ns[31:1]), .dout(dpc[31:1])); + + // ---------------------------------------------------------------------- + // DICAWICS (R/W) (Only accessible in debug mode) + // [31:25] : Reserved + // [24] : Array select, 0 is data, 1 is tag + // [23:22] : Reserved + // [21:20] : Way select + // [19:17] : Reserved + // [16:3] : Index + // [2:0] : Reserved + localparam DICAWICS = 12'h7c8; + + assign dicawics_ns[16:0] = {dec_csr_wrdata_r[24], dec_csr_wrdata_r[21:20], dec_csr_wrdata_r[16:3]}; + assign wr_dicawics_r = allow_dbg_halt_csr_write & dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == DICAWICS); + + rvdffe #(17) dicawics_ff (.*, .en(wr_dicawics_r), .din(dicawics_ns[16:0]), .dout(dicawics[16:0])); + + // ---------------------------------------------------------------------- + // DICAD0 (R/W) (Only accessible in debug mode) + // + // If dicawics[array] is 0 + // [31:0] : inst data + // + // If dicawics[array] is 1 + // [31:16] : Tag + // [15:7] : Reserved + // [6:4] : LRU + // [3:1] : Reserved + // [0] : Valid + localparam DICAD0 = 12'h7c9; + + assign dicad0_ns[31:0] = wr_dicad0_r ? dec_csr_wrdata_r[31:0] : ifu_ic_debug_rd_data[31:0]; + + assign wr_dicad0_r = allow_dbg_halt_csr_write & dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == DICAD0); + + rvdffe #(32) dicad0_ff (.*, .en(wr_dicad0_r | ifu_ic_debug_rd_data_valid), .din(dicad0_ns[31:0]), .dout(dicad0[31:0])); + + // ---------------------------------------------------------------------- + // DICAD0H (R/W) (Only accessible in debug mode) + // + // If dicawics[array] is 0 + // [63:32] : inst data + // + localparam DICAD0H = 12'h7cc; + + assign dicad0h_ns[31:0] = wr_dicad0h_r ? dec_csr_wrdata_r[31:0] : ifu_ic_debug_rd_data[63:32]; + + assign wr_dicad0h_r = allow_dbg_halt_csr_write & dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == DICAD0H); + + rvdffe #(32) dicad0h_ff (.*, .en(wr_dicad0h_r | ifu_ic_debug_rd_data_valid), .din(dicad0h_ns[31:0]), .dout(dicad0h[31:0])); + + +if (pt.ICACHE_ECC == 1) begin + // ---------------------------------------------------------------------- + // DICAD1 (R/W) (Only accessible in debug mode) + // [6:0] : ECC + localparam DICAD1 = 12'h7ca; + + assign dicad1_ns[6:0] = wr_dicad1_r ? dec_csr_wrdata_r[6:0] : ifu_ic_debug_rd_data[70:64]; + + assign wr_dicad1_r = allow_dbg_halt_csr_write & dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == DICAD1); + + rvdffe #(.WIDTH(7), .OVERRIDE(1)) dicad1_ff (.*, .en(wr_dicad1_r | ifu_ic_debug_rd_data_valid), .din(dicad1_ns[6:0]), .dout(dicad1_raw[6:0])); + + assign dicad1[31:0] = {25'b0, dicad1_raw[6:0]}; + +end +else begin + // ---------------------------------------------------------------------- + // DICAD1 (R/W) (Only accessible in debug mode) + // [3:0] : Parity + localparam DICAD1 = 12'h7ca; + + assign dicad1_ns[3:0] = wr_dicad1_r ? dec_csr_wrdata_r[3:0] : ifu_ic_debug_rd_data[67:64]; + + assign wr_dicad1_r = allow_dbg_halt_csr_write & dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == DICAD1); + + rvdffs #(4) dicad1_ff (.*, .clk(free_clk), .en(wr_dicad1_r | ifu_ic_debug_rd_data_valid), .din(dicad1_ns[3:0]), .dout(dicad1_raw[3:0])); + + assign dicad1[31:0] = {28'b0, dicad1_raw[3:0]}; +end + // ---------------------------------------------------------------------- + // DICAGO (R/W) (Only accessible in debug mode) + // [0] : Go + localparam DICAGO = 12'h7cb; + +if (pt.ICACHE_ECC == 1) + assign dec_tlu_ic_diag_pkt.icache_wrdata[70:0] = { dicad1[6:0], dicad0h[31:0], dicad0[31:0]}; +else + assign dec_tlu_ic_diag_pkt.icache_wrdata[70:0] = {3'b0, dicad1[3:0], dicad0h[31:0], dicad0[31:0]}; + + + assign dec_tlu_ic_diag_pkt.icache_dicawics[16:0] = dicawics[16:0]; + + assign icache_rd_valid = allow_dbg_halt_csr_write & dec_csr_any_unq_d & dec_i0_decode_d & ~dec_csr_wen_unq_d & (dec_csr_rdaddr_d[11:0] == DICAGO); + assign icache_wr_valid = allow_dbg_halt_csr_write & dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == DICAGO); + + + assign dec_tlu_ic_diag_pkt.icache_rd_valid = icache_rd_valid_f; + assign dec_tlu_ic_diag_pkt.icache_wr_valid = icache_wr_valid_f; + + // ---------------------------------------------------------------------- + // MTSEL (R/W) + // [1:0] : Trigger select : 00, 01, 10 are data/address triggers. 11 is inst count + localparam MTSEL = 12'h7a0; + + assign wr_mtsel_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTSEL); + assign mtsel_ns[1:0] = wr_mtsel_r ? {dec_csr_wrdata_r[1:0]} : mtsel[1:0]; + + rvdff #(2) mtsel_ff (.*, .clk(csr_wr_clk), .din(mtsel_ns[1:0]), .dout(mtsel[1:0])); + + // ---------------------------------------------------------------------- + // MTDATA1 (R/W) + // [31:0] : Trigger Data 1 + localparam MTDATA1 = 12'h7a1; + + // for triggers 0, 1, 2 and 3 aka Match Control + // [31:28] : type, hard coded to 0x2 + // [27] : dmode + // [26:21] : hard coded to 0x1f + // [20] : hit + // [19] : select (0 - address, 1 - data) + // [18] : timing, always 'before', reads 0x0 + // [17:12] : action, bits [17:13] not implemented and reads 0x0 + // [11] : chain + // [10:7] : match, bits [10:8] not implemented and reads 0x0 + // [6] : M + // [5:3] : not implemented, reads 0x0 + // [2] : execute + // [1] : store + // [0] : load + // + // decoder ring + // [27] : => 9 + // [20] : => 8 + // [19] : => 7 + // [12] : => 6 + // [11] : => 5 + // [7] : => 4 + // [6] : => 3 + // [2] : => 2 + // [1] : => 1 + // [0] : => 0 + + + // don't allow setting load-data. + assign tdata_load = dec_csr_wrdata_r[0] & ~dec_csr_wrdata_r[19]; + // don't allow setting execute-data. + assign tdata_opcode = dec_csr_wrdata_r[2] & ~dec_csr_wrdata_r[19]; + // don't allow clearing DMODE and action=1 + assign tdata_action = (dec_csr_wrdata_r[27] & dbg_tlu_halted_f) & dec_csr_wrdata_r[12]; + + // Chain bit has conditions: WARL for triggers without chains. Force to zero if dmode is 0 but next trigger dmode is 1. + assign tdata_chain = mtsel[0] ? 1'b0 : // triggers 1 and 3 chain bit is always zero + mtsel[1] ? dec_csr_wrdata_r[11] & ~(mtdata1_t3[MTDATA1_DMODE] & ~dec_csr_wrdata_r[27]) : // trigger 2 + dec_csr_wrdata_r[11] & ~(mtdata1_t1[MTDATA1_DMODE] & ~dec_csr_wrdata_r[27]); // trigger 0 + + // Kill mtdata1 write if dmode=1 but prior trigger has dmode=0/chain=1. Only applies to T1 and T3 + assign tdata_kill_write = mtsel[1] ? dec_csr_wrdata_r[27] & (~mtdata1_t2[MTDATA1_DMODE] & mtdata1_t2[MTDATA1_CHAIN]) : // trigger 3 + dec_csr_wrdata_r[27] & (~mtdata1_t0[MTDATA1_DMODE] & mtdata1_t0[MTDATA1_CHAIN]) ; // trigger 1 + + + assign tdata_wrdata_r[9:0] = {dec_csr_wrdata_r[27] & dbg_tlu_halted_f, + dec_csr_wrdata_r[20:19], + tdata_action, + tdata_chain, + dec_csr_wrdata_r[7:6], + tdata_opcode, + dec_csr_wrdata_r[1], + tdata_load}; + + // If the DMODE bit is set, tdata1 can only be updated in debug_mode + assign wr_mtdata1_t0_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA1) & (mtsel[1:0] == 2'b0) & (~mtdata1_t0[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign mtdata1_t0_ns[9:0] = wr_mtdata1_t0_r ? tdata_wrdata_r[9:0] : + {mtdata1_t0[9], update_hit_bit_r[0] | mtdata1_t0[8], mtdata1_t0[7:0]}; + + assign wr_mtdata1_t1_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA1) & (mtsel[1:0] == 2'b01) & (~mtdata1_t1[MTDATA1_DMODE] | dbg_tlu_halted_f) & ~tdata_kill_write; + assign mtdata1_t1_ns[9:0] = wr_mtdata1_t1_r ? tdata_wrdata_r[9:0] : + {mtdata1_t1[9], update_hit_bit_r[1] | mtdata1_t1[8], mtdata1_t1[7:0]}; + + assign wr_mtdata1_t2_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA1) & (mtsel[1:0] == 2'b10) & (~mtdata1_t2[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign mtdata1_t2_ns[9:0] = wr_mtdata1_t2_r ? tdata_wrdata_r[9:0] : + {mtdata1_t2[9], update_hit_bit_r[2] | mtdata1_t2[8], mtdata1_t2[7:0]}; + + assign wr_mtdata1_t3_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA1) & (mtsel[1:0] == 2'b11) & (~mtdata1_t3[MTDATA1_DMODE] | dbg_tlu_halted_f) & ~tdata_kill_write; + assign mtdata1_t3_ns[9:0] = wr_mtdata1_t3_r ? tdata_wrdata_r[9:0] : + {mtdata1_t3[9], update_hit_bit_r[3] | mtdata1_t3[8], mtdata1_t3[7:0]}; + + + rvdffe #(10) mtdata1_t0_ff (.*, .en(trigger_enabled[0] | wr_mtdata1_t0_r), .din(mtdata1_t0_ns[9:0]), .dout(mtdata1_t0[9:0])); + rvdffe #(10) mtdata1_t1_ff (.*, .en(trigger_enabled[1] | wr_mtdata1_t1_r), .din(mtdata1_t1_ns[9:0]), .dout(mtdata1_t1[9:0])); + rvdffe #(10) mtdata1_t2_ff (.*, .en(trigger_enabled[2] | wr_mtdata1_t2_r), .din(mtdata1_t2_ns[9:0]), .dout(mtdata1_t2[9:0])); + rvdffe #(10) mtdata1_t3_ff (.*, .en(trigger_enabled[3] | wr_mtdata1_t3_r), .din(mtdata1_t3_ns[9:0]), .dout(mtdata1_t3[9:0])); + + assign mtdata1_tsel_out[31:0] = ( ({32{(mtsel[1:0] == 2'b00)}} & {4'h2, mtdata1_t0[9], 6'b011111, mtdata1_t0[8:7], 6'b0, mtdata1_t0[6:5], 3'b0, mtdata1_t0[4:3], 3'b0, mtdata1_t0[2:0]}) | + ({32{(mtsel[1:0] == 2'b01)}} & {4'h2, mtdata1_t1[9], 6'b011111, mtdata1_t1[8:7], 6'b0, mtdata1_t1[6:5], 3'b0, mtdata1_t1[4:3], 3'b0, mtdata1_t1[2:0]}) | + ({32{(mtsel[1:0] == 2'b10)}} & {4'h2, mtdata1_t2[9], 6'b011111, mtdata1_t2[8:7], 6'b0, mtdata1_t2[6:5], 3'b0, mtdata1_t2[4:3], 3'b0, mtdata1_t2[2:0]}) | + ({32{(mtsel[1:0] == 2'b11)}} & {4'h2, mtdata1_t3[9], 6'b011111, mtdata1_t3[8:7], 6'b0, mtdata1_t3[6:5], 3'b0, mtdata1_t3[4:3], 3'b0, mtdata1_t3[2:0]})); + + assign trigger_pkt_any[0].select = mtdata1_t0[MTDATA1_SEL]; + assign trigger_pkt_any[0].match = mtdata1_t0[MTDATA1_MATCH]; + assign trigger_pkt_any[0].store = mtdata1_t0[MTDATA1_ST]; + assign trigger_pkt_any[0].load = mtdata1_t0[MTDATA1_LD]; + assign trigger_pkt_any[0].execute = mtdata1_t0[MTDATA1_EXE]; + assign trigger_pkt_any[0].m = mtdata1_t0[MTDATA1_M_ENABLED]; + + assign trigger_pkt_any[1].select = mtdata1_t1[MTDATA1_SEL]; + assign trigger_pkt_any[1].match = mtdata1_t1[MTDATA1_MATCH]; + assign trigger_pkt_any[1].store = mtdata1_t1[MTDATA1_ST]; + assign trigger_pkt_any[1].load = mtdata1_t1[MTDATA1_LD]; + assign trigger_pkt_any[1].execute = mtdata1_t1[MTDATA1_EXE]; + assign trigger_pkt_any[1].m = mtdata1_t1[MTDATA1_M_ENABLED]; + + assign trigger_pkt_any[2].select = mtdata1_t2[MTDATA1_SEL]; + assign trigger_pkt_any[2].match = mtdata1_t2[MTDATA1_MATCH]; + assign trigger_pkt_any[2].store = mtdata1_t2[MTDATA1_ST]; + assign trigger_pkt_any[2].load = mtdata1_t2[MTDATA1_LD]; + assign trigger_pkt_any[2].execute = mtdata1_t2[MTDATA1_EXE]; + assign trigger_pkt_any[2].m = mtdata1_t2[MTDATA1_M_ENABLED]; + + assign trigger_pkt_any[3].select = mtdata1_t3[MTDATA1_SEL]; + assign trigger_pkt_any[3].match = mtdata1_t3[MTDATA1_MATCH]; + assign trigger_pkt_any[3].store = mtdata1_t3[MTDATA1_ST]; + assign trigger_pkt_any[3].load = mtdata1_t3[MTDATA1_LD]; + assign trigger_pkt_any[3].execute = mtdata1_t3[MTDATA1_EXE]; + assign trigger_pkt_any[3].m = mtdata1_t3[MTDATA1_M_ENABLED]; + + + + + + // ---------------------------------------------------------------------- + // MTDATA2 (R/W) + // [31:0] : Trigger Data 2 + localparam MTDATA2 = 12'h7a2; + + // If the DMODE bit is set, tdata2 can only be updated in debug_mode + assign wr_mtdata2_t0_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA2) & (mtsel[1:0] == 2'b0) & (~mtdata1_t0[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign wr_mtdata2_t1_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA2) & (mtsel[1:0] == 2'b01) & (~mtdata1_t1[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign wr_mtdata2_t2_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA2) & (mtsel[1:0] == 2'b10) & (~mtdata1_t2[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign wr_mtdata2_t3_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA2) & (mtsel[1:0] == 2'b11) & (~mtdata1_t3[MTDATA1_DMODE] | dbg_tlu_halted_f); + + rvdffe #(32) mtdata2_t0_ff (.*, .en(wr_mtdata2_t0_r), .din(dec_csr_wrdata_r[31:0]), .dout(mtdata2_t0[31:0])); + rvdffe #(32) mtdata2_t1_ff (.*, .en(wr_mtdata2_t1_r), .din(dec_csr_wrdata_r[31:0]), .dout(mtdata2_t1[31:0])); + rvdffe #(32) mtdata2_t2_ff (.*, .en(wr_mtdata2_t2_r), .din(dec_csr_wrdata_r[31:0]), .dout(mtdata2_t2[31:0])); + rvdffe #(32) mtdata2_t3_ff (.*, .en(wr_mtdata2_t3_r), .din(dec_csr_wrdata_r[31:0]), .dout(mtdata2_t3[31:0])); + + assign mtdata2_tsel_out[31:0] = ( ({32{(mtsel[1:0] == 2'b00)}} & mtdata2_t0[31:0]) | + ({32{(mtsel[1:0] == 2'b01)}} & mtdata2_t1[31:0]) | + ({32{(mtsel[1:0] == 2'b10)}} & mtdata2_t2[31:0]) | + ({32{(mtsel[1:0] == 2'b11)}} & mtdata2_t3[31:0])); + + assign trigger_pkt_any[0].tdata2[31:0] = mtdata2_t0[31:0]; + assign trigger_pkt_any[1].tdata2[31:0] = mtdata2_t1[31:0]; + assign trigger_pkt_any[2].tdata2[31:0] = mtdata2_t2[31:0]; + assign trigger_pkt_any[3].tdata2[31:0] = mtdata2_t3[31:0]; + + + //---------------------------------------------------------------------- + // Performance Monitor Counters section starts + //---------------------------------------------------------------------- + localparam MHPME_NOEVENT = 10'd0; + localparam MHPME_CLK_ACTIVE = 10'd1; // OOP - out of pipe + localparam MHPME_ICACHE_HIT = 10'd2; // OOP + localparam MHPME_ICACHE_MISS = 10'd3; // OOP + localparam MHPME_INST_COMMIT = 10'd4; + localparam MHPME_INST_COMMIT_16B = 10'd5; + localparam MHPME_INST_COMMIT_32B = 10'd6; + localparam MHPME_INST_ALIGNED = 10'd7; // OOP + localparam MHPME_INST_DECODED = 10'd8; // OOP + localparam MHPME_INST_MUL = 10'd9; + localparam MHPME_INST_DIV = 10'd10; + localparam MHPME_INST_LOAD = 10'd11; + localparam MHPME_INST_STORE = 10'd12; + localparam MHPME_INST_MALOAD = 10'd13; + localparam MHPME_INST_MASTORE = 10'd14; + localparam MHPME_INST_ALU = 10'd15; + localparam MHPME_INST_CSRREAD = 10'd16; + localparam MHPME_INST_CSRRW = 10'd17; + localparam MHPME_INST_CSRWRITE = 10'd18; + localparam MHPME_INST_EBREAK = 10'd19; + localparam MHPME_INST_ECALL = 10'd20; + localparam MHPME_INST_FENCE = 10'd21; + localparam MHPME_INST_FENCEI = 10'd22; + localparam MHPME_INST_MRET = 10'd23; + localparam MHPME_INST_BRANCH = 10'd24; + localparam MHPME_BRANCH_MP = 10'd25; + localparam MHPME_BRANCH_TAKEN = 10'd26; + localparam MHPME_BRANCH_NOTP = 10'd27; + localparam MHPME_FETCH_STALL = 10'd28; // OOP + localparam MHPME_DECODE_STALL = 10'd30; // OOP + localparam MHPME_POSTSYNC_STALL = 10'd31; // OOP + localparam MHPME_PRESYNC_STALL = 10'd32; // OOP + localparam MHPME_LSU_SB_WB_STALL = 10'd34; // OOP + localparam MHPME_DMA_DCCM_STALL = 10'd35; // OOP + localparam MHPME_DMA_ICCM_STALL = 10'd36; // OOP + localparam MHPME_EXC_TAKEN = 10'd37; + localparam MHPME_TIMER_INT_TAKEN = 10'd38; + localparam MHPME_EXT_INT_TAKEN = 10'd39; + localparam MHPME_FLUSH_LOWER = 10'd40; + localparam MHPME_BR_ERROR = 10'd41; + localparam MHPME_IBUS_TRANS = 10'd42; // OOP + localparam MHPME_DBUS_TRANS = 10'd43; // OOP + localparam MHPME_DBUS_MA_TRANS = 10'd44; // OOP + localparam MHPME_IBUS_ERROR = 10'd45; // OOP + localparam MHPME_DBUS_ERROR = 10'd46; // OOP + localparam MHPME_IBUS_STALL = 10'd47; // OOP + localparam MHPME_DBUS_STALL = 10'd48; // OOP + localparam MHPME_INT_DISABLED = 10'd49; // OOP + localparam MHPME_INT_STALLED = 10'd50; // OOP + localparam MHPME_INST_BITMANIP = 10'd54; + localparam MHPME_DBUS_LOAD = 10'd55; + localparam MHPME_DBUS_STORE = 10'd56; + // Counts even during sleep state + localparam MHPME_SLEEP_CYC = 10'd512; // OOP + localparam MHPME_DMA_READ_ALL = 10'd513; // OOP + localparam MHPME_DMA_WRITE_ALL = 10'd514; // OOP + localparam MHPME_DMA_READ_DCCM = 10'd515; // OOP + localparam MHPME_DMA_WRITE_DCCM = 10'd516; // OOP + + // Pack the event selects into a vector for genvar + assign mhpme_vec[0][9:0] = mhpme3[9:0]; + assign mhpme_vec[1][9:0] = mhpme4[9:0]; + assign mhpme_vec[2][9:0] = mhpme5[9:0]; + assign mhpme_vec[3][9:0] = mhpme6[9:0]; + + // only consider committed itypes + //logic [3:0] pmu_i0_itype_qual; + assign pmu_i0_itype_qual[3:0] = dec_tlu_packet_r.pmu_i0_itype[3:0] & {4{tlu_i0_commit_cmt}}; + + // Generate the muxed incs for all counters based on event type + for (genvar i=0 ; i < 4; i++) begin + assign mhpmc_inc_r[i] = {{~mcountinhibit[i+3]}} & + ( + ({1{(mhpme_vec[i][9:0] == MHPME_CLK_ACTIVE )}} & 1'b1) | + ({1{(mhpme_vec[i][9:0] == MHPME_ICACHE_HIT )}} & {ifu_pmu_ic_hit}) | + ({1{(mhpme_vec[i][9:0] == MHPME_ICACHE_MISS )}} & {ifu_pmu_ic_miss}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_COMMIT )}} & {tlu_i0_commit_cmt & ~illegal_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_COMMIT_16B )}} & {tlu_i0_commit_cmt & ~exu_pmu_i0_pc4 & ~illegal_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_COMMIT_32B )}} & {tlu_i0_commit_cmt & exu_pmu_i0_pc4 & ~illegal_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_ALIGNED )}} & ifu_pmu_instr_aligned) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_DECODED )}} & dec_pmu_instr_decoded) | + ({1{(mhpme_vec[i][9:0] == MHPME_DECODE_STALL )}} & {dec_pmu_decode_stall}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_MUL )}} & {(pmu_i0_itype_qual == MUL)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_DIV )}} & {dec_tlu_packet_r.pmu_divide & tlu_i0_commit_cmt & ~illegal_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_LOAD )}} & {(pmu_i0_itype_qual == LOAD)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_STORE )}} & {(pmu_i0_itype_qual == STORE)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_MALOAD )}} & {(pmu_i0_itype_qual == LOAD)} & + {1{dec_tlu_packet_r.pmu_lsu_misaligned}}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_MASTORE )}} & {(pmu_i0_itype_qual == STORE)} & + {1{dec_tlu_packet_r.pmu_lsu_misaligned}}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_ALU )}} & {(pmu_i0_itype_qual == ALU)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_CSRREAD )}} & {(pmu_i0_itype_qual == CSRREAD)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_CSRWRITE )}} & {(pmu_i0_itype_qual == CSRWRITE)})| + ({1{(mhpme_vec[i][9:0] == MHPME_INST_CSRRW )}} & {(pmu_i0_itype_qual == CSRRW)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_EBREAK )}} & {(pmu_i0_itype_qual == EBREAK)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_ECALL )}} & {(pmu_i0_itype_qual == ECALL)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_FENCE )}} & {(pmu_i0_itype_qual == FENCE)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_FENCEI )}} & {(pmu_i0_itype_qual == FENCEI)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_MRET )}} & {(pmu_i0_itype_qual == MRET)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_BRANCH )}} & { + ((pmu_i0_itype_qual == CONDBR) | (pmu_i0_itype_qual == JAL))}) | + ({1{(mhpme_vec[i][9:0] == MHPME_BRANCH_MP )}} & {exu_pmu_i0_br_misp & tlu_i0_commit_cmt & ~illegal_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_BRANCH_TAKEN )}} & {exu_pmu_i0_br_ataken & tlu_i0_commit_cmt & ~illegal_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_BRANCH_NOTP )}} & {dec_tlu_packet_r.pmu_i0_br_unpred & tlu_i0_commit_cmt & ~illegal_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_FETCH_STALL )}} & { ifu_pmu_fetch_stall}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DECODE_STALL )}} & { dec_pmu_decode_stall}) | + ({1{(mhpme_vec[i][9:0] == MHPME_POSTSYNC_STALL )}} & {dec_pmu_postsync_stall}) | + ({1{(mhpme_vec[i][9:0] == MHPME_PRESYNC_STALL )}} & {dec_pmu_presync_stall}) | + ({1{(mhpme_vec[i][9:0] == MHPME_LSU_SB_WB_STALL )}} & { lsu_store_stall_any}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DMA_DCCM_STALL )}} & { dma_dccm_stall_any}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DMA_ICCM_STALL )}} & { dma_iccm_stall_any}) | + ({1{(mhpme_vec[i][9:0] == MHPME_EXC_TAKEN )}} & { (i0_exception_valid_r | i0_trigger_hit_r | lsu_exc_valid_r)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_TIMER_INT_TAKEN )}} & { take_timer_int | take_int_timer0_int | take_int_timer1_int}) | + ({1{(mhpme_vec[i][9:0] == MHPME_EXT_INT_TAKEN )}} & { take_ext_int}) | + ({1{(mhpme_vec[i][9:0] == MHPME_FLUSH_LOWER )}} & { tlu_flush_lower_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_BR_ERROR )}} & {(dec_tlu_br0_error_r | dec_tlu_br0_start_error_r) & rfpc_i0_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_IBUS_TRANS )}} & {ifu_pmu_bus_trxn}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DBUS_TRANS )}} & {lsu_pmu_bus_trxn}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DBUS_MA_TRANS )}} & {lsu_pmu_bus_misaligned}) | + ({1{(mhpme_vec[i][9:0] == MHPME_IBUS_ERROR )}} & {ifu_pmu_bus_error}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DBUS_ERROR )}} & {lsu_pmu_bus_error}) | + ({1{(mhpme_vec[i][9:0] == MHPME_IBUS_STALL )}} & {ifu_pmu_bus_busy}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DBUS_STALL )}} & {lsu_pmu_bus_busy}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INT_DISABLED )}} & {~mstatus[MSTATUS_MIE]}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INT_STALLED )}} & {~mstatus[MSTATUS_MIE] & |(mip[5:0] & mie[5:0])}) | + ({1{(mhpme_vec[i][9:0] == MHPME_INST_BITMANIP )}} & {(pmu_i0_itype_qual == BITMANIPU)}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DBUS_LOAD )}} & {tlu_i0_commit_cmt & lsu_pmu_load_external_r & ~illegal_r}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DBUS_STORE )}} & {tlu_i0_commit_cmt & lsu_pmu_store_external_r & ~illegal_r}) | + // These count even during sleep + ({1{(mhpme_vec[i][9:0] == MHPME_SLEEP_CYC )}} & {dec_tlu_pmu_fw_halted}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DMA_READ_ALL )}} & {dma_pmu_any_read}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DMA_WRITE_ALL )}} & {dma_pmu_any_write}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DMA_READ_DCCM )}} & {dma_pmu_dccm_read}) | + ({1{(mhpme_vec[i][9:0] == MHPME_DMA_WRITE_DCCM )}} & {dma_pmu_dccm_write}) + ); + end + + + if(pt.FAST_INTERRUPT_REDIRECT) + rvdffie #(31) mstatus_ff (.*, .clk(free_l2clk), + .din({mdseac_locked_ns, lsu_single_ecc_error_r, lsu_exc_valid_r, lsu_i0_exc_r, + take_ext_int_start, take_ext_int_start_d1, take_ext_int_start_d2, ext_int_freeze, + mip_ns[5:0], mcyclel_cout & ~wr_mcycleh_r & mcyclel_cout_in, + minstret_enable, minstretl_cout_ns, fw_halted_ns, + meicidpl_ns[3:0], icache_rd_valid, icache_wr_valid, mhpmc_inc_r[3:0], perfcnt_halted, + mstatus_ns[1:0]}), + .dout({mdseac_locked_f, lsu_single_ecc_error_r_d1, lsu_exc_valid_r_d1, lsu_i0_exc_r_d1, + take_ext_int_start_d1, take_ext_int_start_d2, take_ext_int_start_d3, ext_int_freeze_d1, + mip[5:0], mcyclel_cout_f, minstret_enable_f, minstretl_cout_f, + fw_halted, meicidpl[3:0], icache_rd_valid_f, icache_wr_valid_f, + mhpmc_inc_r_d1[3:0], perfcnt_halted_d1, + mstatus[1:0]})); + + else + rvdffie #(27) mstatus_ff (.*, .clk(free_l2clk), + .din({mdseac_locked_ns, lsu_single_ecc_error_r, lsu_exc_valid_r, lsu_i0_exc_r, + mip_ns[5:0], mcyclel_cout & ~wr_mcycleh_r & mcyclel_cout_in, + minstret_enable, minstretl_cout_ns, fw_halted_ns, + meicidpl_ns[3:0], icache_rd_valid, icache_wr_valid, mhpmc_inc_r[3:0], perfcnt_halted, + mstatus_ns[1:0]}), + .dout({mdseac_locked_f, lsu_single_ecc_error_r_d1, lsu_exc_valid_r_d1, lsu_i0_exc_r_d1, + mip[5:0], mcyclel_cout_f, minstret_enable_f, minstretl_cout_f, + fw_halted, meicidpl[3:0], icache_rd_valid_f, icache_wr_valid_f, + mhpmc_inc_r_d1[3:0], perfcnt_halted_d1, + mstatus[1:0]})); + + assign perfcnt_halted = ((dec_tlu_dbg_halted & dcsr[DCSR_STOPC]) | dec_tlu_pmu_fw_halted); + assign perfcnt_during_sleep[3:0] = {4{~(dec_tlu_dbg_halted & dcsr[DCSR_STOPC])}} & {mhpme_vec[3][9],mhpme_vec[2][9],mhpme_vec[1][9],mhpme_vec[0][9]}; + + assign dec_tlu_perfcnt0 = mhpmc_inc_r_d1[0] & ~(perfcnt_halted_d1 & ~perfcnt_during_sleep[0]); + assign dec_tlu_perfcnt1 = mhpmc_inc_r_d1[1] & ~(perfcnt_halted_d1 & ~perfcnt_during_sleep[1]); + assign dec_tlu_perfcnt2 = mhpmc_inc_r_d1[2] & ~(perfcnt_halted_d1 & ~perfcnt_during_sleep[2]); + assign dec_tlu_perfcnt3 = mhpmc_inc_r_d1[3] & ~(perfcnt_halted_d1 & ~perfcnt_during_sleep[3]); + + // ---------------------------------------------------------------------- + // MHPMC3H(RW), MHPMC3(RW) + // [63:32][31:0] : Hardware Performance Monitor Counter 3 + localparam MHPMC3 = 12'hB03; + localparam MHPMC3H = 12'hB83; + + assign mhpmc3_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC3); + assign mhpmc3_wr_en1 = (~perfcnt_halted | perfcnt_during_sleep[0]) & (|(mhpmc_inc_r[0])); + assign mhpmc3_wr_en = mhpmc3_wr_en0 | mhpmc3_wr_en1; + assign mhpmc3_incr[63:0] = {mhpmc3h[31:0],mhpmc3[31:0]} + {63'b0, 1'b1}; + assign mhpmc3_ns[31:0] = mhpmc3_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc3_incr[31:0]; + rvdffe #(32) mhpmc3_ff (.*, .clk(free_l2clk), .en(mhpmc3_wr_en), .din(mhpmc3_ns[31:0]), .dout(mhpmc3[31:0])); + + assign mhpmc3h_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC3H); + assign mhpmc3h_wr_en = mhpmc3h_wr_en0 | mhpmc3_wr_en1; + assign mhpmc3h_ns[31:0] = mhpmc3h_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc3_incr[63:32]; + rvdffe #(32) mhpmc3h_ff (.*, .clk(free_l2clk), .en(mhpmc3h_wr_en), .din(mhpmc3h_ns[31:0]), .dout(mhpmc3h[31:0])); + + // ---------------------------------------------------------------------- + // MHPMC4H(RW), MHPMC4(RW) + // [63:32][31:0] : Hardware Performance Monitor Counter 4 + localparam MHPMC4 = 12'hB04; + localparam MHPMC4H = 12'hB84; + + assign mhpmc4_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC4); + assign mhpmc4_wr_en1 = (~perfcnt_halted | perfcnt_during_sleep[1]) & (|(mhpmc_inc_r[1])); + assign mhpmc4_wr_en = mhpmc4_wr_en0 | mhpmc4_wr_en1; + assign mhpmc4_incr[63:0] = {mhpmc4h[31:0],mhpmc4[31:0]} + {63'b0,1'b1}; + assign mhpmc4_ns[31:0] = mhpmc4_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc4_incr[31:0]; + rvdffe #(32) mhpmc4_ff (.*, .clk(free_l2clk), .en(mhpmc4_wr_en), .din(mhpmc4_ns[31:0]), .dout(mhpmc4[31:0])); + + assign mhpmc4h_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC4H); + assign mhpmc4h_wr_en = mhpmc4h_wr_en0 | mhpmc4_wr_en1; + assign mhpmc4h_ns[31:0] = mhpmc4h_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc4_incr[63:32]; + rvdffe #(32) mhpmc4h_ff (.*, .clk(free_l2clk), .en(mhpmc4h_wr_en), .din(mhpmc4h_ns[31:0]), .dout(mhpmc4h[31:0])); + + // ---------------------------------------------------------------------- + // MHPMC5H(RW), MHPMC5(RW) + // [63:32][31:0] : Hardware Performance Monitor Counter 5 + localparam MHPMC5 = 12'hB05; + localparam MHPMC5H = 12'hB85; + + assign mhpmc5_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC5); + assign mhpmc5_wr_en1 = (~perfcnt_halted | perfcnt_during_sleep[2]) & (|(mhpmc_inc_r[2])); + assign mhpmc5_wr_en = mhpmc5_wr_en0 | mhpmc5_wr_en1; + assign mhpmc5_incr[63:0] = {mhpmc5h[31:0],mhpmc5[31:0]} + {63'b0,1'b1}; + assign mhpmc5_ns[31:0] = mhpmc5_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc5_incr[31:0]; + rvdffe #(32) mhpmc5_ff (.*, .clk(free_l2clk), .en(mhpmc5_wr_en), .din(mhpmc5_ns[31:0]), .dout(mhpmc5[31:0])); + + assign mhpmc5h_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC5H); + assign mhpmc5h_wr_en = mhpmc5h_wr_en0 | mhpmc5_wr_en1; + assign mhpmc5h_ns[31:0] = mhpmc5h_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc5_incr[63:32]; + rvdffe #(32) mhpmc5h_ff (.*, .clk(free_l2clk), .en(mhpmc5h_wr_en), .din(mhpmc5h_ns[31:0]), .dout(mhpmc5h[31:0])); + + // ---------------------------------------------------------------------- + // MHPMC6H(RW), MHPMC6(RW) + // [63:32][31:0] : Hardware Performance Monitor Counter 6 + localparam MHPMC6 = 12'hB06; + localparam MHPMC6H = 12'hB86; + + assign mhpmc6_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC6); + assign mhpmc6_wr_en1 = (~perfcnt_halted | perfcnt_during_sleep[3]) & (|(mhpmc_inc_r[3])); + assign mhpmc6_wr_en = mhpmc6_wr_en0 | mhpmc6_wr_en1; + assign mhpmc6_incr[63:0] = {mhpmc6h[31:0],mhpmc6[31:0]} + {63'b0,1'b1}; + assign mhpmc6_ns[31:0] = mhpmc6_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc6_incr[31:0]; + rvdffe #(32) mhpmc6_ff (.*, .clk(free_l2clk), .en(mhpmc6_wr_en), .din(mhpmc6_ns[31:0]), .dout(mhpmc6[31:0])); + + assign mhpmc6h_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC6H); + assign mhpmc6h_wr_en = mhpmc6h_wr_en0 | mhpmc6_wr_en1; + assign mhpmc6h_ns[31:0] = mhpmc6h_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc6_incr[63:32]; + rvdffe #(32) mhpmc6h_ff (.*, .clk(free_l2clk), .en(mhpmc6h_wr_en), .din(mhpmc6h_ns[31:0]), .dout(mhpmc6h[31:0])); + + // ---------------------------------------------------------------------- + // MHPME3(RW) + // [9:0] : Hardware Performance Monitor Event 3 + localparam MHPME3 = 12'h323; + + // we only have events 0-56 with holes, 512-516, HPME* are WARL so zero otherwise. + assign zero_event_r = ( (dec_csr_wrdata_r[9:0] > 10'd516) | + (|dec_csr_wrdata_r[31:10]) | + ((dec_csr_wrdata_r[9:0] < 10'd512) & (dec_csr_wrdata_r[9:0] > 10'd56)) | + ((dec_csr_wrdata_r[9:0] < 10'd54) & (dec_csr_wrdata_r[9:0] > 10'd50)) | + (dec_csr_wrdata_r[9:0] == 10'd29) | + (dec_csr_wrdata_r[9:0] == 10'd33) + ); + + assign event_r[9:0] = zero_event_r ? '0 : dec_csr_wrdata_r[9:0]; + + assign wr_mhpme3_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPME3); + rvdffe #(10) mhpme3_ff (.*, .en(wr_mhpme3_r), .din(event_r[9:0]), .dout(mhpme3[9:0])); + // ---------------------------------------------------------------------- + // MHPME4(RW) + // [9:0] : Hardware Performance Monitor Event 4 + localparam MHPME4 = 12'h324; + + assign wr_mhpme4_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPME4); + rvdffe #(10) mhpme4_ff (.*, .en(wr_mhpme4_r), .din(event_r[9:0]), .dout(mhpme4[9:0])); + // ---------------------------------------------------------------------- + // MHPME5(RW) + // [9:0] : Hardware Performance Monitor Event 5 + localparam MHPME5 = 12'h325; + + assign wr_mhpme5_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPME5); + rvdffe #(10) mhpme5_ff (.*, .en(wr_mhpme5_r), .din(event_r[9:0]), .dout(mhpme5[9:0])); + // ---------------------------------------------------------------------- + // MHPME6(RW) + // [9:0] : Hardware Performance Monitor Event 6 + localparam MHPME6 = 12'h326; + + assign wr_mhpme6_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPME6); + rvdffe #(10) mhpme6_ff (.*, .en(wr_mhpme6_r), .din(event_r[9:0]), .dout(mhpme6[9:0])); + + //---------------------------------------------------------------------- + // Performance Monitor Counters section ends + //---------------------------------------------------------------------- + // ---------------------------------------------------------------------- + + // MCOUNTINHIBIT(RW) + // [31:7] : Reserved, read 0x0 + // [6] : HPM6 disable + // [5] : HPM5 disable + // [4] : HPM4 disable + // [3] : HPM3 disable + // [2] : MINSTRET disable + // [1] : reserved, read 0x0 + // [0] : MCYCLE disable + + localparam MCOUNTINHIBIT = 12'h320; + + assign wr_mcountinhibit_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCOUNTINHIBIT); + rvdffs #(6) mcountinhibit_ff (.*, .clk(csr_wr_clk), .en(wr_mcountinhibit_r), .din({dec_csr_wrdata_r[6:2], dec_csr_wrdata_r[0]}), .dout({mcountinhibit[6:2], mcountinhibit[0]})); + assign mcountinhibit[1] = 1'b0; + + //-------------------------------------------------------------------------------- + // trace + //-------------------------------------------------------------------------------- + logic [4:0] dec_tlu_exc_cause_wb1_raw, dec_tlu_exc_cause_wb2; + logic dec_tlu_int_valid_wb1_raw, dec_tlu_int_valid_wb2; + + assign {dec_tlu_i0_valid_wb1, + dec_tlu_i0_exc_valid_wb1, + dec_tlu_exc_cause_wb1_raw[4:0], + dec_tlu_int_valid_wb1_raw} = {8{~dec_tlu_trace_disable}} & {i0_valid_wb, + i0_exception_valid_r_d1 | lsu_i0_exc_r_d1 | (trigger_hit_r_d1 & ~trigger_hit_dmode_r_d1), + exc_cause_wb[4:0], + interrupt_valid_r_d1}; + + + + // skid buffer for ints, reduces trace port count by 1 + rvdffie #(.WIDTH(6), .OVERRIDE(1)) traceskidff (.*, .clk(clk), + .din ({dec_tlu_exc_cause_wb1_raw[4:0], + dec_tlu_int_valid_wb1_raw}), + .dout({dec_tlu_exc_cause_wb2[4:0], + dec_tlu_int_valid_wb2})); + //skid for ints + assign dec_tlu_exc_cause_wb1[4:0] = dec_tlu_int_valid_wb2 ? dec_tlu_exc_cause_wb2[4:0] : dec_tlu_exc_cause_wb1_raw[4:0]; + assign dec_tlu_int_valid_wb1 = dec_tlu_int_valid_wb2; + + assign dec_tlu_mtval_wb1 = mtval[31:0]; + + // end trace + //-------------------------------------------------------------------------------- + + + // ---------------------------------------------------------------------- + // CSR read mux + // ---------------------------------------------------------------------- + +// file "csrdecode" is human readable file that has all of the CSR decodes defined and is part of git repo +// modify this file as needed + +// to generate all the equations below from "csrdecode" except legal equation: + +// 1) coredecode -in csrdecode > corecsrdecode.e + +// 2) espresso -Dso -oeqntott corecsrdecode.e | addassign > csrequations + +// to generate the legal CSR equation below: + +// 1) coredecode -in csrdecode -legal > csrlegal.e + +// 2) espresso -Dso -oeqntott csrlegal.e | addassign > csrlegal_equation +// coredecode -in csrdecode > corecsrdecode.e; espresso -Dso -oeqntott corecsrdecode.e | addassign > csrequations; coredecode -in csrdecode -legal > csrlegal.e; espresso -Dso -oeqntott csrlegal.e | addassign > csrlegal_equation + +assign csr_misa = (!dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[0]); + +assign csr_mvendorid = (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[7] + &!dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]); + +assign csr_marchid = (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[7] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mimpid = (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]); + +assign csr_mhartid = (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[7] + &dec_csr_rdaddr_d[2]); + +assign csr_mstatus = (!dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[0]); + +assign csr_mtvec = (!dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[0]); + +assign csr_mip = (!dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[2]); + +assign csr_mie = (!dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[0]); + +assign csr_mcyclel = (dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[7] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2] + &!dec_csr_rdaddr_d[1]); + +assign csr_mcycleh = (dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1]); + +assign csr_minstretl = (!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_minstreth = (!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[7] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mscratch = (!dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mepc = (!dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[1] + &dec_csr_rdaddr_d[0]); + +assign csr_mcause = (!dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mscause = (dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[2]); + +assign csr_mtval = (!dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[1] + &dec_csr_rdaddr_d[0]); + +assign csr_mrac = (!dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1]); + +assign csr_dmst = (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3] + &dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1]); + +assign csr_mdseac = (dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[10] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]); + +assign csr_meihap = (dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[10] + &dec_csr_rdaddr_d[3]); + +assign csr_meivt = (!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1] + &!dec_csr_rdaddr_d[0]); + +assign csr_meipt = (dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[1] + &dec_csr_rdaddr_d[0]); + +assign csr_meicurpl = (dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[2]); + +assign csr_meicidpl = (dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]); + +assign csr_dcsr = (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[0]); + +assign csr_mcgc = (dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[0]); + +assign csr_mfdc = (dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]); + +assign csr_dpc = (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[0]); + +assign csr_mtsel = (dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mtdata1 = (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[0]); + +assign csr_mtdata2 = (dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[1]); + +assign csr_mhpmc3 = (dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[7] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[0]); + +assign csr_mhpmc4 = (dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[7] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2] + &!dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mhpmc5 = (dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[7] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[1] + &dec_csr_rdaddr_d[0]); + +assign csr_mhpmc6 = (!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mhpmc3h = (dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1] + &dec_csr_rdaddr_d[0]); + +assign csr_mhpmc4h = (dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2] + &!dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mhpmc5h = (dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1] + &dec_csr_rdaddr_d[0]); + +assign csr_mhpmc6h = (dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mhpme3 = (!dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[0]); + +assign csr_mhpme4 = (dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1] + &!dec_csr_rdaddr_d[0]); + +assign csr_mhpme5 = (dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1] + &dec_csr_rdaddr_d[0]); + +assign csr_mhpme6 = (dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1] + &!dec_csr_rdaddr_d[0]); + +assign csr_mcountinhibit = (!dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2] + &!dec_csr_rdaddr_d[0]); + +assign csr_mitctl0 = (dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mitctl1 = (dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[3] + &dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]); + +assign csr_mitb0 = (dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[0]); + +assign csr_mitb1 = (dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mitcnt0 = (dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[0]); + +assign csr_mitcnt1 = (dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[2] + &!dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]); + +assign csr_mpmc = (dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3] + &dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1]); + +assign csr_meicpct = (dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_micect = (dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_miccmect = (dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[0]); + +assign csr_mdccmect = (dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mfdht = (dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_mfdhs = (dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[0]); + +assign csr_dicawics = (!dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1] + &!dec_csr_rdaddr_d[0]); + +assign csr_dicad0h = (dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[3] + &dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1]); + +assign csr_dicad0 = (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[4] + &dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]); + +assign csr_dicad1 = (dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]); + +assign csr_dicago = (dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]); + +assign presync = (dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]) | (!dec_csr_rdaddr_d[7] + &dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[0]) | (!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1]) | (dec_csr_rdaddr_d[11] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2] + &!dec_csr_rdaddr_d[1]) | (dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]) | ( + dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1]); + +assign postsync = (dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]) | (!dec_csr_rdaddr_d[11] + &!dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[0]) | (!dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]) | (dec_csr_rdaddr_d[10] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[0]) | ( + !dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2] + &!dec_csr_rdaddr_d[0]) | (!dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[7] + &dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[1]) | (dec_csr_rdaddr_d[10]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1]); + +assign legal = (!dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]) | (!dec_csr_rdaddr_d[11] + &!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[1]) | ( + !dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]) | ( + dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1] + &!dec_csr_rdaddr_d[0]) | (dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10] + &dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[0]) | (!dec_csr_rdaddr_d[11] + &dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]) | (!dec_csr_rdaddr_d[11] + &dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1]) | ( + dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2] + &dec_csr_rdaddr_d[0]) | (!dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[10] + &dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8]&dec_csr_rdaddr_d[7] + &!dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1]) | (!dec_csr_rdaddr_d[11] + &!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[2]) | (dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3] + &dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]) | ( + !dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[3] + &dec_csr_rdaddr_d[1]) | (!dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[10] + &dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8]&dec_csr_rdaddr_d[7] + &dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[2]) | (dec_csr_rdaddr_d[11] + &dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[7] + &!dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]&dec_csr_rdaddr_d[1]) | ( + !dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[1]&dec_csr_rdaddr_d[0]) | ( + dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]) | ( + dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[5] + &!dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[1] + &!dec_csr_rdaddr_d[0]) | (dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10] + &dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[2]) | (!dec_csr_rdaddr_d[11] + &dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[3]&dec_csr_rdaddr_d[1]) | ( + !dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4]&!dec_csr_rdaddr_d[0]) | ( + !dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&dec_csr_rdaddr_d[7]&dec_csr_rdaddr_d[6] + &!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4]&dec_csr_rdaddr_d[3] + &!dec_csr_rdaddr_d[2]) | (!dec_csr_rdaddr_d[11]&dec_csr_rdaddr_d[10] + &dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8]&dec_csr_rdaddr_d[7] + &!dec_csr_rdaddr_d[6]&dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]&!dec_csr_rdaddr_d[0]) | ( + dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5] + &dec_csr_rdaddr_d[1]) | (!dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10] + &dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[7] + &dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[2]) | (!dec_csr_rdaddr_d[11] + &!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[5]&!dec_csr_rdaddr_d[4] + &!dec_csr_rdaddr_d[3]&!dec_csr_rdaddr_d[1]&!dec_csr_rdaddr_d[0]) | ( + !dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[3]) | (dec_csr_rdaddr_d[11] + &!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &!dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[3]) | ( + !dec_csr_rdaddr_d[11]&!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9] + &dec_csr_rdaddr_d[8]&!dec_csr_rdaddr_d[7]&!dec_csr_rdaddr_d[6] + &dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[4]) | (dec_csr_rdaddr_d[11] + &!dec_csr_rdaddr_d[10]&dec_csr_rdaddr_d[9]&dec_csr_rdaddr_d[8] + &!dec_csr_rdaddr_d[6]&!dec_csr_rdaddr_d[5]&dec_csr_rdaddr_d[4]); + + + +assign dec_tlu_presync_d = presync & dec_csr_any_unq_d & ~dec_csr_wen_unq_d; +assign dec_tlu_postsync_d = postsync & dec_csr_any_unq_d; + + // allow individual configuration of these features +assign conditionally_illegal = ((csr_mitcnt0 | csr_mitcnt1 | csr_mitb0 | csr_mitb1 | csr_mitctl0 | csr_mitctl1) & !pt.TIMER_LEGAL_EN); + +assign valid_csr = ( legal & (~(csr_dcsr | csr_dpc | csr_dmst | csr_dicawics | csr_dicad0 | csr_dicad0h | csr_dicad1 | csr_dicago) | dbg_tlu_halted_f) + & ~fast_int_meicpct & ~conditionally_illegal); + +assign dec_csr_legal_d = ( dec_csr_any_unq_d & + valid_csr & // of a valid CSR + ~(dec_csr_wen_unq_d & (csr_mvendorid | csr_marchid | csr_mimpid | csr_mhartid | csr_mdseac | csr_meihap)) // that's not a write to a RO CSR + ); + // CSR read mux +assign dec_csr_rddata_d[31:0] = ( ({32{csr_misa}} & 32'h40201104) | + ({32{csr_mvendorid}} & 32'h00000045) | + ({32{csr_marchid}} & 32'h00000010) | + ({32{csr_mimpid}} & 32'h3) | + ({32{csr_mhartid}} & {core_id[31:4], 4'b0}) | + ({32{csr_mstatus}} & {{15{1'b0}}, 2'b01, 2'b00, 2'b11, 3'b0, mstatus[1], 3'b0, mstatus[0], 3'b0}) | + ({32{csr_mtvec}} & {mtvec[30:1], 1'b0, mtvec[0]}) | + ({32{csr_mip}} & {1'b0, mip[5:3], 16'b0, mip[2], 3'b0, mip[1], 3'b0, mip[0], 3'b0}) | + ({32{csr_mie}} & {1'b0, mie[5:3], 16'b0, mie[2], 3'b0, mie[1], 3'b0, mie[0], 3'b0}) | + ({32{csr_mcyclel}} & mcyclel[31:0]) | + ({32{csr_mcycleh}} & mcycleh_inc[31:0]) | + ({32{csr_minstretl}} & minstretl_read[31:0]) | + ({32{csr_minstreth}} & minstreth_read[31:0]) | + ({32{csr_mscratch}} & mscratch[31:0]) | + ({32{csr_mepc}} & {mepc[31:1], 1'b0}) | + ({32{csr_mcause}} & mcause[31:0]) | + ({32{csr_mscause}} & {28'b0, mscause[3:0]}) | + ({32{csr_mtval}} & mtval[31:0]) | + ({32{csr_mrac}} & mrac[31:0]) | + ({32{csr_mdseac}} & mdseac[31:0]) | + ({32{csr_meivt}} & {meivt[31:10], 10'b0}) | + ({32{csr_meihap}} & {meivt[31:10], meihap[9:2], 2'b0}) | + ({32{csr_meicurpl}} & {28'b0, meicurpl[3:0]}) | + ({32{csr_meicidpl}} & {28'b0, meicidpl[3:0]}) | + ({32{csr_meipt}} & {28'b0, meipt[3:0]}) | + ({32{csr_mcgc}} & {22'b0, mcgc[9:0]}) | + ({32{csr_mfdc}} & {13'b0, mfdc[18:0]}) | + ({32{csr_dcsr}} & {16'h4000, dcsr[15:2], 2'b11}) | + ({32{csr_dpc}} & {dpc[31:1], 1'b0}) | + ({32{csr_dicad0}} & dicad0[31:0]) | + ({32{csr_dicad0h}} & dicad0h[31:0]) | + ({32{csr_dicad1}} & dicad1[31:0]) | + ({32{csr_dicawics}} & {7'b0, dicawics[16], 2'b0, dicawics[15:14], 3'b0, dicawics[13:0], 3'b0}) | + ({32{csr_mtsel}} & {30'b0, mtsel[1:0]}) | + ({32{csr_mtdata1}} & {mtdata1_tsel_out[31:0]}) | + ({32{csr_mtdata2}} & {mtdata2_tsel_out[31:0]}) | + ({32{csr_micect}} & {micect[31:0]}) | + ({32{csr_miccmect}} & {miccmect[31:0]}) | + ({32{csr_mdccmect}} & {mdccmect[31:0]}) | + ({32{csr_mhpmc3}} & mhpmc3[31:0]) | + ({32{csr_mhpmc4}} & mhpmc4[31:0]) | + ({32{csr_mhpmc5}} & mhpmc5[31:0]) | + ({32{csr_mhpmc6}} & mhpmc6[31:0]) | + ({32{csr_mhpmc3h}} & mhpmc3h[31:0]) | + ({32{csr_mhpmc4h}} & mhpmc4h[31:0]) | + ({32{csr_mhpmc5h}} & mhpmc5h[31:0]) | + ({32{csr_mhpmc6h}} & mhpmc6h[31:0]) | + ({32{csr_mfdht}} & {26'b0, mfdht[5:0]}) | + ({32{csr_mfdhs}} & {30'b0, mfdhs[1:0]}) | + ({32{csr_mhpme3}} & {22'b0,mhpme3[9:0]}) | + ({32{csr_mhpme4}} & {22'b0,mhpme4[9:0]}) | + ({32{csr_mhpme5}} & {22'b0,mhpme5[9:0]}) | + ({32{csr_mhpme6}} & {22'b0,mhpme6[9:0]}) | + ({32{csr_mcountinhibit}} & {25'b0, mcountinhibit[6:0]}) | + ({32{csr_mpmc}} & {30'b0, mpmc[1], 1'b0}) | + ({32{dec_timer_read_d}} & dec_timer_rddata_d[31:0]) + ); + + + +endmodule // eb1_dec_tlu_ctl + +module eb1_dec_timer_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, + input logic free_l2clk, + input logic csr_wr_clk, + input logic rst_l, + input logic dec_csr_wen_r_mod, // csr write enable at wb + input logic [11:0] dec_csr_wraddr_r, // write address for csr + input logic [31:0] dec_csr_wrdata_r, // csr write data at wb + + input logic csr_mitctl0, + input logic csr_mitctl1, + input logic csr_mitb0, + input logic csr_mitb1, + input logic csr_mitcnt0, + input logic csr_mitcnt1, + + + input logic dec_pause_state, // Paused + input logic dec_tlu_pmu_fw_halted, // pmu/fw halted + input logic internal_dbg_halt_timers, // debug halted + + output logic [31:0] dec_timer_rddata_d, // timer CSR read data + output logic dec_timer_read_d, // timer CSR address match + output logic dec_timer_t0_pulse, // timer0 int + output logic dec_timer_t1_pulse, // timer1 int + + input logic scan_mode + ); + localparam MITCTL_ENABLE = 0; + localparam MITCTL_ENABLE_HALTED = 1; + localparam MITCTL_ENABLE_PAUSED = 2; + + logic [31:0] mitcnt0_ns, mitcnt0, mitcnt1_ns, mitcnt1, mitb0, mitb1, mitb0_b, mitb1_b, mitcnt0_inc, mitcnt1_inc; + logic [2:0] mitctl0_ns, mitctl0; + logic [3:0] mitctl1_ns, mitctl1; + logic wr_mitcnt0_r, wr_mitcnt1_r, wr_mitb0_r, wr_mitb1_r, wr_mitctl0_r, wr_mitctl1_r; + logic mitcnt0_inc_ok, mitcnt1_inc_ok; + logic mitcnt0_inc_cout, mitcnt1_inc_cout; + logic mit0_match_ns; + logic mit1_match_ns; + logic mitctl0_0_b_ns; + logic mitctl0_0_b; + logic mitctl1_0_b_ns; + logic mitctl1_0_b; + + assign mit0_match_ns = (mitcnt0[31:0] >= mitb0[31:0]); + assign mit1_match_ns = (mitcnt1[31:0] >= mitb1[31:0]); + + assign dec_timer_t0_pulse = mit0_match_ns; + assign dec_timer_t1_pulse = mit1_match_ns; + // ---------------------------------------------------------------------- + // MITCNT0 (RW) + // [31:0] : Internal Timer Counter 0 + + localparam MITCNT0 = 12'h7d2; + + assign wr_mitcnt0_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITCNT0); + + assign mitcnt0_inc_ok = mitctl0[MITCTL_ENABLE] & (~dec_pause_state | mitctl0[MITCTL_ENABLE_PAUSED]) & (~dec_tlu_pmu_fw_halted | mitctl0[MITCTL_ENABLE_HALTED]) & ~internal_dbg_halt_timers; + + assign {mitcnt0_inc_cout, mitcnt0_inc[7:0]} = mitcnt0[7:0] + {7'b0, 1'b1}; + assign mitcnt0_inc[31:8] = mitcnt0[31:8] + {23'b0, mitcnt0_inc_cout}; + + assign mitcnt0_ns[31:0] = wr_mitcnt0_r ? dec_csr_wrdata_r[31:0] : mit0_match_ns ? 'b0 : mitcnt0_inc[31:0]; + + rvdffe #(24) mitcnt0_ffb (.*, .clk(free_l2clk), .en(wr_mitcnt0_r | (mitcnt0_inc_ok & mitcnt0_inc_cout) | mit0_match_ns), .din(mitcnt0_ns[31:8]), .dout(mitcnt0[31:8])); + rvdffe #(8) mitcnt0_ffa (.*, .clk(free_l2clk), .en(wr_mitcnt0_r | mitcnt0_inc_ok | mit0_match_ns), .din(mitcnt0_ns[7:0]), .dout(mitcnt0[7:0])); + + // ---------------------------------------------------------------------- + // MITCNT1 (RW) + // [31:0] : Internal Timer Counter 0 + + localparam MITCNT1 = 12'h7d5; + + assign wr_mitcnt1_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITCNT1); + + assign mitcnt1_inc_ok = mitctl1[MITCTL_ENABLE] & + (~dec_pause_state | mitctl1[MITCTL_ENABLE_PAUSED]) & + (~dec_tlu_pmu_fw_halted | mitctl1[MITCTL_ENABLE_HALTED]) & + ~internal_dbg_halt_timers & + (~mitctl1[3] | mit0_match_ns); + + // only inc MITCNT1 if not cascaded with 0, or if 0 overflows + assign {mitcnt1_inc_cout, mitcnt1_inc[7:0]} = mitcnt1[7:0] + {7'b0, 1'b1}; + assign mitcnt1_inc[31:8] = mitcnt1[31:8] + {23'b0, mitcnt1_inc_cout}; + + assign mitcnt1_ns[31:0] = wr_mitcnt1_r ? dec_csr_wrdata_r[31:0] : mit1_match_ns ? 'b0 : mitcnt1_inc[31:0]; + + rvdffe #(24) mitcnt1_ffb (.*, .clk(free_l2clk), .en(wr_mitcnt1_r | (mitcnt1_inc_ok & mitcnt1_inc_cout) | mit1_match_ns), .din(mitcnt1_ns[31:8]), .dout(mitcnt1[31:8])); + rvdffe #(8) mitcnt1_ffa (.*, .clk(free_l2clk), .en(wr_mitcnt1_r | mitcnt1_inc_ok | mit1_match_ns), .din(mitcnt1_ns[7:0]), .dout(mitcnt1[7:0])); + + + // ---------------------------------------------------------------------- + // MITB0 (RW) + // [31:0] : Internal Timer Bound 0 + + localparam MITB0 = 12'h7d3; + + assign wr_mitb0_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITB0); + + rvdffe #(32) mitb0_ff (.*, .en(wr_mitb0_r), .din(~dec_csr_wrdata_r[31:0]), .dout(mitb0_b[31:0])); + assign mitb0[31:0] = ~mitb0_b[31:0]; + + // ---------------------------------------------------------------------- + // MITB1 (RW) + // [31:0] : Internal Timer Bound 1 + + localparam MITB1 = 12'h7d6; + + assign wr_mitb1_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITB1); + + rvdffe #(32) mitb1_ff (.*, .en(wr_mitb1_r), .din(~dec_csr_wrdata_r[31:0]), .dout(mitb1_b[31:0])); + assign mitb1[31:0] = ~mitb1_b[31:0]; + + // ---------------------------------------------------------------------- + // MITCTL0 (RW) Internal Timer Ctl 0 + // [31:3] : Reserved, reads 0x0 + // [2] : Enable while PAUSEd + // [1] : Enable while HALTed + // [0] : Enable (resets to 0x1) + + localparam MITCTL0 = 12'h7d4; + + assign wr_mitctl0_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITCTL0); + assign mitctl0_ns[2:0] = wr_mitctl0_r ? {dec_csr_wrdata_r[2:0]} : {mitctl0[2:0]}; + + assign mitctl0_0_b_ns = ~mitctl0_ns[0]; + rvdffs #(3) mitctl0_ff (.*, .clk(csr_wr_clk), .en(wr_mitctl0_r), .din({mitctl0_ns[2:1], mitctl0_0_b_ns}), .dout({mitctl0[2:1], mitctl0_0_b})); + assign mitctl0[0] = ~mitctl0_0_b; + + // ---------------------------------------------------------------------- + // MITCTL1 (RW) Internal Timer Ctl 1 + // [31:4] : Reserved, reads 0x0 + // [3] : Cascade + // [2] : Enable while PAUSEd + // [1] : Enable while HALTed + // [0] : Enable (resets to 0x1) + + localparam MITCTL1 = 12'h7d7; + + assign wr_mitctl1_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITCTL1); + assign mitctl1_ns[3:0] = wr_mitctl1_r ? {dec_csr_wrdata_r[3:0]} : {mitctl1[3:0]}; + + assign mitctl1_0_b_ns = ~mitctl1_ns[0]; + rvdffs #(4) mitctl1_ff (.*, .clk(csr_wr_clk), .en(wr_mitctl1_r), .din({mitctl1_ns[3:1], mitctl1_0_b_ns}), .dout({mitctl1[3:1], mitctl1_0_b})); + assign mitctl1[0] = ~mitctl1_0_b; + assign dec_timer_read_d = csr_mitcnt1 | csr_mitcnt0 | csr_mitb1 | csr_mitb0 | csr_mitctl0 | csr_mitctl1; + assign dec_timer_rddata_d[31:0] = ( ({32{csr_mitcnt0}} & mitcnt0[31:0]) | + ({32{csr_mitcnt1}} & mitcnt1[31:0]) | + ({32{csr_mitb0}} & mitb0[31:0]) | + ({32{csr_mitb1}} & mitb1[31:0]) | + ({32{csr_mitctl0}} & {29'b0, mitctl0[2:0]}) | + ({32{csr_mitctl1}} & {28'b0, mitctl1[3:0]}) + ); + + +endmodule // dec_timer_ctl + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: DEC Trigger Logic +// Comments: +// +//******************************************************************************** +module eb1_dec_trigger +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + + input eb1_trigger_pkt_t [3:0] trigger_pkt_any, // Packet from tlu. 'select':0-pc,1-Opcode 'Execute' needs to be set for dec triggers to fire. 'match'-1 do mask, 0: full match + input logic [31:1] dec_i0_pc_d, // i0 pc + + output logic [3:0] dec_i0_trigger_match_d // Trigger match +); + + logic [3:0][31:0] dec_i0_match_data; + logic [3:0] dec_i0_trigger_data_match; + + for (genvar i=0; i<4; i++) begin + assign dec_i0_match_data[i][31:0] = ({32{~trigger_pkt_any[i].select & trigger_pkt_any[i].execute}} & {dec_i0_pc_d[31:1], trigger_pkt_any[i].tdata2[0]}); // select=0; do a PC match + + rvmaskandmatch trigger_i0_match (.mask(trigger_pkt_any[i].tdata2[31:0]), .data(dec_i0_match_data[i][31:0]), .masken(trigger_pkt_any[i].match), .match(dec_i0_trigger_data_match[i])); + + assign dec_i0_trigger_match_d[i] = trigger_pkt_any[i].execute & trigger_pkt_any[i].m & dec_i0_trigger_data_match[i]; + end + +endmodule // eb1_dec_trigger + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + + +module eb1_exu +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, // Top level clock + input logic rst_l, // Reset + input logic scan_mode, // Scan control + + input logic [1:0] dec_data_en, // Clock enable {x,r}, one cycle pulse + input logic [1:0] dec_ctl_en, // Clock enable {x,r}, two cycle pulse + input logic [31:0] dbg_cmd_wrdata, // Debug data to primary I0 RS1 + input eb1_alu_pkt_t i0_ap, // DEC alu {valid,predecodes} + + input logic dec_debug_wdata_rs1_d, // Debug select to primary I0 RS1 + + input eb1_predict_pkt_t dec_i0_predict_p_d, // DEC branch predict packet + input logic [pt.BHT_GHR_SIZE-1:0] i0_predict_fghr_d, // DEC predict fghr + input logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] i0_predict_index_d, // DEC predict index + input logic [pt.BTB_BTAG_SIZE-1:0] i0_predict_btag_d, // DEC predict branch tag + + input logic [31:0] lsu_result_m, // Load result M-stage + input logic [31:0] lsu_nonblock_load_data, // nonblock load data + input logic dec_i0_rs1_en_d, // Qualify GPR RS1 data + input logic dec_i0_rs2_en_d, // Qualify GPR RS2 data + input logic [31:0] gpr_i0_rs1_d, // DEC data gpr + input logic [31:0] gpr_i0_rs2_d, // DEC data gpr + input logic [31:0] dec_i0_immed_d, // DEC data immediate + input logic [31:0] dec_i0_result_r, // DEC result in R-stage + input logic [12:1] dec_i0_br_immed_d, // Branch immediate + input logic dec_i0_alu_decode_d, // Valid to X-stage ALU + input logic dec_i0_branch_d, // Branch in D-stage + input logic dec_i0_select_pc_d, // PC select to RS1 + input logic [31:1] dec_i0_pc_d, // Instruction PC + input logic [3:0] dec_i0_rs1_bypass_en_d, // DEC bypass select 1 - X-stage, 0 - dec bypass data + input logic [3:0] dec_i0_rs2_bypass_en_d, // DEC bypass select 1 - X-stage, 0 - dec bypass data + input logic dec_csr_ren_d, // CSR read select + input logic [31:0] dec_csr_rddata_d, // CSR read data + + input logic dec_qual_lsu_d, // LSU instruction at D. Use to quiet LSU operands + input eb1_mul_pkt_t mul_p, // DEC {valid, operand signs, low, operand bypass} + input eb1_div_pkt_t div_p, // DEC {valid, unsigned, rem} + input logic dec_div_cancel, // Cancel the divide operation + + input logic [31:1] pred_correct_npc_x, // DEC NPC for correctly predicted branch + + input logic dec_tlu_flush_lower_r, // Flush divide and secondary ALUs + input logic [31:1] dec_tlu_flush_path_r, // Redirect target + + + input logic dec_extint_stall, // External stall mux select + input logic [31:2] dec_tlu_meihap, // External stall mux data + + + output logic [31:0] exu_lsu_rs1_d, // LSU operand + output logic [31:0] exu_lsu_rs2_d, // LSU operand + + output logic exu_flush_final, // Pipe is being flushed this cycle + output logic [31:1] exu_flush_path_final, // Target for the oldest flush source + + output logic [31:0] exu_i0_result_x, // Primary ALU result to DEC + output logic [31:1] exu_i0_pc_x, // Primary PC result to DEC + output logic [31:0] exu_csr_rs1_x, // RS1 source for a CSR instruction + + output logic [31:1] exu_npc_r, // Divide NPC + output logic [1:0] exu_i0_br_hist_r, // to DEC I0 branch history + output logic exu_i0_br_error_r, // to DEC I0 branch error + output logic exu_i0_br_start_error_r, // to DEC I0 branch start error + output logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_i0_br_index_r, // to DEC I0 branch index + output logic exu_i0_br_valid_r, // to DEC I0 branch valid + output logic exu_i0_br_mp_r, // to DEC I0 branch mispredict + output logic exu_i0_br_middle_r, // to DEC I0 branch middle + output logic [pt.BHT_GHR_SIZE-1:0] exu_i0_br_fghr_r, // to DEC I0 branch fghr + output logic exu_i0_br_way_r, // to DEC I0 branch way + + output eb1_predict_pkt_t exu_mp_pkt, // Mispredict branch packet + output logic [pt.BHT_GHR_SIZE-1:0] exu_mp_eghr, // Mispredict global history + output logic [pt.BHT_GHR_SIZE-1:0] exu_mp_fghr, // Mispredict fghr + output logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_mp_index, // Mispredict index + output logic [pt.BTB_BTAG_SIZE-1:0] exu_mp_btag, // Mispredict btag + + + output logic exu_pmu_i0_br_misp, // to PMU - I0 E4 branch mispredict + output logic exu_pmu_i0_br_ataken, // to PMU - I0 E4 taken + output logic exu_pmu_i0_pc4, // to PMU - I0 E4 PC + + + output logic [31:0] exu_div_result, // Divide result + output logic exu_div_wren // Divide write enable to GPR + ); + + + + + logic [31:0] i0_rs1_bypass_data_d; + logic [31:0] i0_rs2_bypass_data_d; + logic i0_rs1_bypass_en_d; + logic i0_rs2_bypass_en_d; + logic [31:0] i0_rs1_d, i0_rs2_d; + logic [31:0] muldiv_rs1_d; + logic [31:1] pred_correct_npc_r; + logic i0_pred_correct_upper_r; + logic [31:1] i0_flush_path_upper_r; + logic x_data_en, x_data_en_q1, x_data_en_q2, r_data_en, r_data_en_q2; + logic x_ctl_en, r_ctl_en; + + logic [pt.BHT_GHR_SIZE-1:0] ghr_d_ns, ghr_d; + logic [pt.BHT_GHR_SIZE-1:0] ghr_x_ns, ghr_x; + logic i0_taken_d; + logic i0_taken_x; + logic i0_valid_d; + logic i0_valid_x; + logic [pt.BHT_GHR_SIZE-1:0] after_flush_eghr; + + eb1_predict_pkt_t final_predict_mp; + eb1_predict_pkt_t i0_predict_newp_d; + + logic flush_in_d; + logic [31:0] alu_result_x; + + logic mul_valid_x; + logic [31:0] mul_result_x; + + eb1_predict_pkt_t i0_pp_r; + + logic i0_flush_upper_d; + logic [31:1] i0_flush_path_d; + eb1_predict_pkt_t i0_predict_p_d; + logic i0_pred_correct_upper_d; + + logic i0_flush_upper_x; + logic [31:1] i0_flush_path_x; + eb1_predict_pkt_t i0_predict_p_x; + logic i0_pred_correct_upper_x; + logic i0_branch_x; + + localparam PREDPIPESIZE = pt.BTB_ADDR_HI-pt.BTB_ADDR_LO+1+pt.BHT_GHR_SIZE+pt.BTB_BTAG_SIZE; + logic [PREDPIPESIZE-1:0] predpipe_d, predpipe_x, predpipe_r, final_predpipe_mp; + + + + + rvdffpcie #(31) i_flush_path_x_ff (.*, .clk(clk), .en ( x_data_en ), .din ( i0_flush_path_d[31:1] ), .dout( i0_flush_path_x[31:1] ) ); + rvdffe #(32) i_csr_rs1_x_ff (.*, .clk(clk), .en ( x_data_en_q1 ), .din ( i0_rs1_d[31:0] ), .dout( exu_csr_rs1_x[31:0] ) ); + rvdffppe #($bits(eb1_predict_pkt_t)) i_predictpacket_x_ff (.*, .clk(clk), .en ( x_data_en ), .din ( i0_predict_p_d ), .dout( i0_predict_p_x ) ); + rvdffe #(PREDPIPESIZE) i_predpipe_x_ff (.*, .clk(clk), .en ( x_data_en_q2 ), .din ( predpipe_d ), .dout( predpipe_x ) ); + rvdffe #(PREDPIPESIZE) i_predpipe_r_ff (.*, .clk(clk), .en ( r_data_en_q2 ), .din ( predpipe_x ), .dout( predpipe_r ) ); + + rvdffe #(4+pt.BHT_GHR_SIZE) i_x_ff (.*, .clk(clk), .en ( x_ctl_en ), .din ({i0_valid_d,i0_taken_d,i0_flush_upper_d,i0_pred_correct_upper_d,ghr_x_ns[pt.BHT_GHR_SIZE-1:0]} ), + .dout({i0_valid_x,i0_taken_x,i0_flush_upper_x,i0_pred_correct_upper_x,ghr_x[pt.BHT_GHR_SIZE-1:0]} ) ); + + rvdffppe #($bits(eb1_predict_pkt_t)+1) i_r_ff0 (.*, .clk(clk), .en ( r_ctl_en ), .din ({i0_pred_correct_upper_x, i0_predict_p_x}), + .dout({i0_pred_correct_upper_r, i0_pp_r }) ); + + rvdffpcie #(31) i_flush_r_ff (.*, .clk(clk), .en ( r_data_en ), .din ( i0_flush_path_x[31:1] ), .dout( i0_flush_path_upper_r[31:1]) ); + rvdffpcie #(31) i_npc_r_ff (.*, .clk(clk), .en ( r_data_en ), .din ( pred_correct_npc_x[31:1] ), .dout( pred_correct_npc_r[31:1] ) ); + + rvdffie #(pt.BHT_GHR_SIZE+2,1) i_misc_ff (.*, .clk(clk), .din ({ghr_d_ns[pt.BHT_GHR_SIZE-1:0], mul_p.valid, dec_i0_branch_d}), + .dout({ghr_d[pt.BHT_GHR_SIZE-1:0] , mul_valid_x, i0_branch_x}) ); + + + + + + assign predpipe_d[PREDPIPESIZE-1:0] + = {i0_predict_fghr_d, i0_predict_index_d, i0_predict_btag_d}; + + + assign i0_rs1_bypass_en_d = dec_i0_rs1_bypass_en_d[0] | dec_i0_rs1_bypass_en_d[1] | dec_i0_rs1_bypass_en_d[2] | dec_i0_rs1_bypass_en_d[3]; + assign i0_rs2_bypass_en_d = dec_i0_rs2_bypass_en_d[0] | dec_i0_rs2_bypass_en_d[1] | dec_i0_rs2_bypass_en_d[2] | dec_i0_rs2_bypass_en_d[3]; + + assign i0_rs1_bypass_data_d[31:0]=({32{dec_i0_rs1_bypass_en_d[0]}} & dec_i0_result_r[31:0] ) | + ({32{dec_i0_rs1_bypass_en_d[1]}} & lsu_result_m[31:0] ) | + ({32{dec_i0_rs1_bypass_en_d[2]}} & exu_i0_result_x[31:0] ) | + ({32{dec_i0_rs1_bypass_en_d[3]}} & lsu_nonblock_load_data[31:0]); + + assign i0_rs2_bypass_data_d[31:0]=({32{dec_i0_rs2_bypass_en_d[0]}} & dec_i0_result_r[31:0] ) | + ({32{dec_i0_rs2_bypass_en_d[1]}} & lsu_result_m[31:0] ) | + ({32{dec_i0_rs2_bypass_en_d[2]}} & exu_i0_result_x[31:0] ) | + ({32{dec_i0_rs2_bypass_en_d[3]}} & lsu_nonblock_load_data[31:0]); + + + assign i0_rs1_d[31:0] = ({32{ i0_rs1_bypass_en_d }} & i0_rs1_bypass_data_d[31:0]) | + ({32{~i0_rs1_bypass_en_d & dec_i0_select_pc_d }} & {dec_i0_pc_d[31:1],1'b0} ) | // for jal's + ({32{~i0_rs1_bypass_en_d & dec_debug_wdata_rs1_d }} & dbg_cmd_wrdata[31:0] ) | + ({32{~i0_rs1_bypass_en_d & ~dec_debug_wdata_rs1_d & dec_i0_rs1_en_d}} & gpr_i0_rs1_d[31:0] ); + + assign i0_rs2_d[31:0] = ({32{~i0_rs2_bypass_en_d & dec_i0_rs2_en_d}} & gpr_i0_rs2_d[31:0] ) | + ({32{~i0_rs2_bypass_en_d }} & dec_i0_immed_d[31:0] ) | + ({32{ i0_rs2_bypass_en_d }} & i0_rs2_bypass_data_d[31:0]); + + + assign exu_lsu_rs1_d[31:0] = ({32{~i0_rs1_bypass_en_d & ~dec_extint_stall & dec_i0_rs1_en_d & dec_qual_lsu_d}} & gpr_i0_rs1_d[31:0] ) | + ({32{ i0_rs1_bypass_en_d & ~dec_extint_stall & dec_qual_lsu_d}} & i0_rs1_bypass_data_d[31:0]) | + ({32{ dec_extint_stall & dec_qual_lsu_d}} & {dec_tlu_meihap[31:2],2'b0}); + + assign exu_lsu_rs2_d[31:0] = ({32{~i0_rs2_bypass_en_d & ~dec_extint_stall & dec_i0_rs2_en_d & dec_qual_lsu_d}} & gpr_i0_rs2_d[31:0] ) | + ({32{ i0_rs2_bypass_en_d & ~dec_extint_stall & dec_qual_lsu_d}} & i0_rs2_bypass_data_d[31:0]); + + + assign muldiv_rs1_d[31:0] = ({32{~i0_rs1_bypass_en_d & dec_i0_rs1_en_d}} & gpr_i0_rs1_d[31:0] ) | + ({32{ i0_rs1_bypass_en_d }} & i0_rs1_bypass_data_d[31:0]); + + + assign x_data_en = dec_data_en[1]; + assign x_data_en_q1 = dec_data_en[1] & dec_csr_ren_d; + assign x_data_en_q2 = dec_data_en[1] & dec_i0_branch_d; + assign r_data_en = dec_data_en[0]; + assign r_data_en_q2 = dec_data_en[0] & i0_branch_x; + assign x_ctl_en = dec_ctl_en[1]; + assign r_ctl_en = dec_ctl_en[0]; + + + + + eb1_exu_alu_ctl #(.pt(pt)) i_alu (.*, + .enable ( x_data_en ), // I + .pp_in ( i0_predict_newp_d ), // I + .valid_in ( dec_i0_alu_decode_d ), // I + .flush_upper_x ( i0_flush_upper_x ), // I + .flush_lower_r ( dec_tlu_flush_lower_r ), // I + .a_in ( i0_rs1_d[31:0] ), // I + .b_in ( i0_rs2_d[31:0] ), // I + .pc_in ( dec_i0_pc_d[31:1] ), // I + .brimm_in ( dec_i0_br_immed_d[12:1] ), // I + .ap ( i0_ap ), // I + .csr_ren_in ( dec_csr_ren_d ), // I + .csr_rddata_in ( dec_csr_rddata_d[31:0] ), // I + .result_ff ( alu_result_x[31:0] ), // O + .flush_upper_out ( i0_flush_upper_d ), // O + .flush_final_out ( exu_flush_final ), // O + .flush_path_out ( i0_flush_path_d[31:1] ), // O + .predict_p_out ( i0_predict_p_d ), // O + .pred_correct_out ( i0_pred_correct_upper_d ), // O + .pc_ff ( exu_i0_pc_x[31:1] )); // O + + + + eb1_exu_mul_ctl #(.pt(pt)) i_mul (.*, + .mul_p ( mul_p & {$bits(eb1_mul_pkt_t){mul_p.valid}} ), // I + .rs1_in ( muldiv_rs1_d[31:0] & {32{mul_p.valid}} ), // I + .rs2_in ( i0_rs2_d[31:0] & {32{mul_p.valid}} ), // I + .result_x ( mul_result_x[31:0] )); // O + + + + eb1_exu_div_ctl #(.pt(pt)) i_div (.*, + .cancel ( dec_div_cancel ), // I + .dp ( div_p ), // I + .dividend ( muldiv_rs1_d[31:0] ), // I + .divisor ( i0_rs2_d[31:0] ), // I + .finish_dly ( exu_div_wren ), // O + .out ( exu_div_result[31:0] )); // O + + + + assign exu_i0_result_x[31:0] = (mul_valid_x) ? mul_result_x[31:0] : alu_result_x[31:0]; + + + + + always_comb begin + i0_predict_newp_d = dec_i0_predict_p_d; + i0_predict_newp_d.boffset = dec_i0_pc_d[1]; // from the start of inst + end + + + assign exu_pmu_i0_br_misp = i0_pp_r.misp; + assign exu_pmu_i0_br_ataken = i0_pp_r.ataken; + assign exu_pmu_i0_pc4 = i0_pp_r.pc4; + + + assign i0_valid_d = i0_predict_p_d.valid & dec_i0_alu_decode_d & ~dec_tlu_flush_lower_r; + assign i0_taken_d = (i0_predict_p_d.ataken & dec_i0_alu_decode_d); + +if(pt.BTB_ENABLE==1) begin + // maintain GHR at D + assign ghr_d_ns[pt.BHT_GHR_SIZE-1:0] + = ({pt.BHT_GHR_SIZE{~dec_tlu_flush_lower_r & i0_valid_d}} & {ghr_d[pt.BHT_GHR_SIZE-2:0], i0_taken_d}) | + ({pt.BHT_GHR_SIZE{~dec_tlu_flush_lower_r & ~i0_valid_d}} & ghr_d[pt.BHT_GHR_SIZE-1:0] ) | + ({pt.BHT_GHR_SIZE{ dec_tlu_flush_lower_r }} & ghr_x[pt.BHT_GHR_SIZE-1:0] ); + + // maintain GHR at X + assign ghr_x_ns[pt.BHT_GHR_SIZE-1:0] + = ({pt.BHT_GHR_SIZE{ i0_valid_x}} & {ghr_x[pt.BHT_GHR_SIZE-2:0], i0_taken_x}) | + ({pt.BHT_GHR_SIZE{~i0_valid_x}} & ghr_x[pt.BHT_GHR_SIZE-1:0] ) ; + + + assign exu_i0_br_valid_r = i0_pp_r.valid; + assign exu_i0_br_mp_r = i0_pp_r.misp; + assign exu_i0_br_way_r = i0_pp_r.way; + assign exu_i0_br_hist_r[1:0] = {2{i0_pp_r.valid}} & i0_pp_r.hist[1:0]; + assign exu_i0_br_error_r = i0_pp_r.br_error; + assign exu_i0_br_middle_r = i0_pp_r.pc4 ^ i0_pp_r.boffset; + assign exu_i0_br_start_error_r = i0_pp_r.br_start_error; + + assign {exu_i0_br_fghr_r[pt.BHT_GHR_SIZE-1:0], + exu_i0_br_index_r[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]}= predpipe_r[PREDPIPESIZE-1:pt.BTB_BTAG_SIZE]; + + + assign final_predict_mp = (i0_flush_upper_x) ? i0_predict_p_x : '0; + + assign final_predpipe_mp[PREDPIPESIZE-1:0] = (i0_flush_upper_x) ? predpipe_x : '0; + + assign after_flush_eghr[pt.BHT_GHR_SIZE-1:0] = (i0_flush_upper_x & ~dec_tlu_flush_lower_r) ? ghr_d[pt.BHT_GHR_SIZE-1:0] : ghr_x[pt.BHT_GHR_SIZE-1:0]; + + + assign exu_mp_pkt.valid = final_predict_mp.valid; + assign exu_mp_pkt.way = final_predict_mp.way; + assign exu_mp_pkt.misp = final_predict_mp.misp; + assign exu_mp_pkt.pcall = final_predict_mp.pcall; + assign exu_mp_pkt.pja = final_predict_mp.pja; + assign exu_mp_pkt.pret = final_predict_mp.pret; + assign exu_mp_pkt.ataken = final_predict_mp.ataken; + assign exu_mp_pkt.boffset = final_predict_mp.boffset; + assign exu_mp_pkt.pc4 = final_predict_mp.pc4; + assign exu_mp_pkt.hist[1:0] = final_predict_mp.hist[1:0]; + assign exu_mp_pkt.toffset[11:0] = final_predict_mp.toffset[11:0]; + + assign exu_mp_fghr[pt.BHT_GHR_SIZE-1:0] = after_flush_eghr[pt.BHT_GHR_SIZE-1:0]; + + assign {exu_mp_index[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO], + exu_mp_btag[pt.BTB_BTAG_SIZE-1:0]} = final_predpipe_mp[PREDPIPESIZE-pt.BHT_GHR_SIZE-1:0]; + + assign exu_mp_eghr[pt.BHT_GHR_SIZE-1:0] = final_predpipe_mp[PREDPIPESIZE-1:pt.BTB_ADDR_HI-pt.BTB_ADDR_LO+pt.BTB_BTAG_SIZE+1]; // mp ghr for bht write +end // if (pt.BTB_ENABLE==1) +else begin + assign ghr_d_ns = '0; + assign ghr_x_ns = '0; + assign exu_mp_pkt = '0; + assign exu_mp_eghr = '0; + assign exu_mp_fghr = '0; + assign exu_mp_index = '0; + assign exu_mp_btag = '0; + assign exu_i0_br_hist_r = '0; + assign exu_i0_br_error_r = '0; + assign exu_i0_br_start_error_r = '0; + assign exu_i0_br_index_r = '0; + assign exu_i0_br_valid_r = '0; + assign exu_i0_br_mp_r = '0; + assign exu_i0_br_middle_r = '0; + assign exu_i0_br_fghr_r = '0; + assign exu_i0_br_way_r = '0; +end // else: !if(pt.BTB_ENABLE==1) + + assign exu_flush_path_final[31:1] = ( {31{ dec_tlu_flush_lower_r }} & dec_tlu_flush_path_r[31:1] ) | + ( {31{~dec_tlu_flush_lower_r & i0_flush_upper_d}} & i0_flush_path_d[31:1] ); + + assign exu_npc_r[31:1] = (i0_pred_correct_upper_r) ? pred_correct_npc_r[31:1] : i0_flush_path_upper_r[31:1]; + + +endmodule // eb1_exu + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// Function: Top level brqrv core file +// Comments: +// +//******************************************************************************** + +module eb1_dma_ctrl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input logic clk, + input logic free_clk, + input logic rst_l, + input logic dma_bus_clk_en, // slave bus clock enable + input logic clk_override, + input logic scan_mode, + + // Debug signals + input logic [31:0] dbg_cmd_addr, + input logic [31:0] dbg_cmd_wrdata, + input logic dbg_cmd_valid, + input logic dbg_cmd_write, // 1: write command, 0: read_command + input logic [1:0] dbg_cmd_type, // 0:gpr 1:csr 2: memory + input logic [1:0] dbg_cmd_size, // size of the abstract mem access debug command + + input logic dbg_dma_bubble, // Debug needs a bubble to send a valid + output logic dma_dbg_ready, // DMA is ready to accept debug request + + output logic dma_dbg_cmd_done, + output logic dma_dbg_cmd_fail, + output logic [31:0] dma_dbg_rddata, + + // Core side signals + output logic dma_dccm_req, // DMA dccm request (only one of dccm/iccm will be set) + output logic dma_iccm_req, // DMA iccm request + output logic [2:0] dma_mem_tag, // DMA Buffer entry number + output logic [31:0] dma_mem_addr, // DMA request address + output logic [2:0] dma_mem_sz, // DMA request size + output logic dma_mem_write, // DMA write to dccm/iccm + output logic [63:0] dma_mem_wdata, // DMA write data + + input logic dccm_dma_rvalid, // dccm data valid for DMA read + input logic dccm_dma_ecc_error, // ECC error on DMA read + input logic [2:0] dccm_dma_rtag, // Tag of the DMA req + input logic [63:0] dccm_dma_rdata, // dccm data for DMA read + input logic iccm_dma_rvalid, // iccm data valid for DMA read + input logic iccm_dma_ecc_error, // ECC error on DMA read + input logic [2:0] iccm_dma_rtag, // Tag of the DMA req + input logic [63:0] iccm_dma_rdata, // iccm data for DMA read + + output logic dma_active, // DMA is busy + output logic dma_dccm_stall_any, // stall dccm pipe (bubble) so that DMA can proceed + output logic dma_iccm_stall_any, // stall iccm pipe (bubble) so that DMA can proceed + input logic dccm_ready, // dccm ready to accept DMA request + input logic iccm_ready, // iccm ready to accept DMA request + input logic [2:0] dec_tlu_dma_qos_prty, // DMA QoS priority coming from MFDC [18:15] + + // PMU signals + output logic dma_pmu_dccm_read, + output logic dma_pmu_dccm_write, + output logic dma_pmu_any_read, + output logic dma_pmu_any_write, + + // AXI Write Channels + input logic dma_axi_awvalid, + output logic dma_axi_awready, + input logic [pt.DMA_BUS_TAG-1:0] dma_axi_awid, + input logic [31:0] dma_axi_awaddr, + input logic [2:0] dma_axi_awsize, + + + input logic dma_axi_wvalid, + output logic dma_axi_wready, + input logic [63:0] dma_axi_wdata, + input logic [7:0] dma_axi_wstrb, + + output logic dma_axi_bvalid, + input logic dma_axi_bready, + output logic [1:0] dma_axi_bresp, + output logic [pt.DMA_BUS_TAG-1:0] dma_axi_bid, + + // AXI Read Channels + input logic dma_axi_arvalid, + output logic dma_axi_arready, + input logic [pt.DMA_BUS_TAG-1:0] dma_axi_arid, + input logic [31:0] dma_axi_araddr, + input logic [2:0] dma_axi_arsize, + + output logic dma_axi_rvalid, + input logic dma_axi_rready, + output logic [pt.DMA_BUS_TAG-1:0] dma_axi_rid, + output logic [63:0] dma_axi_rdata, + output logic [1:0] dma_axi_rresp, + output logic dma_axi_rlast +); + + + localparam DEPTH = pt.DMA_BUF_DEPTH; + localparam DEPTH_PTR = $clog2(DEPTH); + localparam NACK_COUNT = 7; + + logic [DEPTH-1:0] fifo_valid; + logic [DEPTH-1:0][1:0] fifo_error; + logic [DEPTH-1:0] fifo_error_bus; + logic [DEPTH-1:0] fifo_rpend; + logic [DEPTH-1:0] fifo_done; // DMA trxn is done in core + logic [DEPTH-1:0] fifo_done_bus; // DMA trxn is done in core but synced to bus clock + logic [DEPTH-1:0][31:0] fifo_addr; + logic [DEPTH-1:0][2:0] fifo_sz; + logic [DEPTH-1:0][7:0] fifo_byteen; + logic [DEPTH-1:0] fifo_write; + logic [DEPTH-1:0] fifo_posted_write; + logic [DEPTH-1:0] fifo_dbg; + logic [DEPTH-1:0][63:0] fifo_data; + logic [DEPTH-1:0][pt.DMA_BUS_TAG-1:0] fifo_tag; + logic [DEPTH-1:0][pt.DMA_BUS_ID-1:0] fifo_mid; + logic [DEPTH-1:0][pt.DMA_BUS_PRTY-1:0] fifo_prty; + + logic [DEPTH-1:0] fifo_cmd_en; + logic [DEPTH-1:0] fifo_data_en; + logic [DEPTH-1:0] fifo_pend_en; + logic [DEPTH-1:0] fifo_done_en; + logic [DEPTH-1:0] fifo_done_bus_en; + logic [DEPTH-1:0] fifo_error_en; + logic [DEPTH-1:0] fifo_error_bus_en; + logic [DEPTH-1:0] fifo_reset; + logic [DEPTH-1:0][1:0] fifo_error_in; + logic [DEPTH-1:0][63:0] fifo_data_in; + + logic fifo_write_in; + logic fifo_posted_write_in; + logic fifo_dbg_in; + logic [31:0] fifo_addr_in; + logic [2:0] fifo_sz_in; + logic [7:0] fifo_byteen_in; + + logic [DEPTH_PTR-1:0] RspPtr, NxtRspPtr; + logic [DEPTH_PTR-1:0] WrPtr, NxtWrPtr; + logic [DEPTH_PTR-1:0] RdPtr, NxtRdPtr; + logic WrPtrEn, RdPtrEn, RspPtrEn; + + logic [1:0] dma_dbg_sz; + logic [1:0] dma_dbg_addr; + logic [31:0] dma_dbg_mem_rddata; + logic [31:0] dma_dbg_mem_wrdata; + logic dma_dbg_cmd_error; + logic dma_dbg_cmd_done_q; + + logic fifo_full, fifo_full_spec, fifo_empty; + logic dma_address_error, dma_alignment_error; + logic [3:0] num_fifo_vld; + logic dma_mem_req; + logic [31:0] dma_mem_addr_int; + logic [2:0] dma_mem_sz_int; + logic [7:0] dma_mem_byteen; + logic dma_mem_addr_in_dccm; + logic dma_mem_addr_in_iccm; + logic dma_mem_addr_in_pic; + logic dma_mem_addr_in_pic_region_nc; + logic dma_mem_addr_in_dccm_region_nc; + logic dma_mem_addr_in_iccm_region_nc; + + logic [2:0] dma_nack_count, dma_nack_count_d, dma_nack_count_csr; + + logic dma_buffer_c1_clken; + logic dma_free_clken; + logic dma_buffer_c1_clk; + logic dma_free_clk; + logic dma_bus_clk; + + logic bus_rsp_valid, bus_rsp_sent; + logic bus_cmd_valid, bus_cmd_sent; + logic bus_cmd_write, bus_cmd_posted_write; + logic [7:0] bus_cmd_byteen; + logic [2:0] bus_cmd_sz; + logic [31:0] bus_cmd_addr; + logic [63:0] bus_cmd_wdata; + logic [pt.DMA_BUS_TAG-1:0] bus_cmd_tag; + logic [pt.DMA_BUS_ID-1:0] bus_cmd_mid; + logic [pt.DMA_BUS_PRTY-1:0] bus_cmd_prty; + logic bus_posted_write_done; + + logic fifo_full_spec_bus; + logic dbg_dma_bubble_bus; + logic stall_dma_in; + logic dma_fifo_ready; + + logic wrbuf_en, wrbuf_data_en; + logic wrbuf_cmd_sent, wrbuf_rst, wrbuf_data_rst; + logic wrbuf_vld, wrbuf_data_vld; + logic [pt.DMA_BUS_TAG-1:0] wrbuf_tag; + logic [2:0] wrbuf_sz; + logic [31:0] wrbuf_addr; + logic [63:0] wrbuf_data; + logic [7:0] wrbuf_byteen; + + logic rdbuf_en; + logic rdbuf_cmd_sent, rdbuf_rst; + logic rdbuf_vld; + logic [pt.DMA_BUS_TAG-1:0] rdbuf_tag; + logic [2:0] rdbuf_sz; + logic [31:0] rdbuf_addr; + + logic axi_mstr_prty_in, axi_mstr_prty_en; + logic axi_mstr_priority; + logic axi_mstr_sel; + + logic axi_rsp_valid, axi_rsp_sent; + logic axi_rsp_write; + logic [pt.DMA_BUS_TAG-1:0] axi_rsp_tag; + logic [1:0] axi_rsp_error; + logic [63:0] axi_rsp_rdata; + + //------------------------LOGIC STARTS HERE--------------------------------- + + // FIFO inputs + assign fifo_addr_in[31:0] = dbg_cmd_valid ? dbg_cmd_addr[31:0] : bus_cmd_addr[31:0]; + assign fifo_byteen_in[7:0] = {8{~dbg_cmd_valid}} & bus_cmd_byteen[7:0]; // Byte enable is used only for bus requests + assign fifo_sz_in[2:0] = dbg_cmd_valid ? {1'b0,dbg_cmd_size[1:0]} : bus_cmd_sz[2:0]; + assign fifo_write_in = dbg_cmd_valid ? dbg_cmd_write : bus_cmd_write; + assign fifo_posted_write_in = ~dbg_cmd_valid & bus_cmd_posted_write; + assign fifo_dbg_in = dbg_cmd_valid; + + for (genvar i=0 ;i<DEPTH; i++) begin: GenFifo + assign fifo_cmd_en[i] = ((bus_cmd_sent & dma_bus_clk_en) | (dbg_cmd_valid & dbg_cmd_type[1])) & (i == WrPtr[DEPTH_PTR-1:0]); + assign fifo_data_en[i] = (((bus_cmd_sent & fifo_write_in & dma_bus_clk_en) | (dbg_cmd_valid & dbg_cmd_type[1] & dbg_cmd_write)) & (i == WrPtr[DEPTH_PTR-1:0])) | + ((dma_address_error | dma_alignment_error) & (i == RdPtr[DEPTH_PTR-1:0])) | + (dccm_dma_rvalid & (i == DEPTH_PTR'(dccm_dma_rtag[2:0]))) | + (iccm_dma_rvalid & (i == DEPTH_PTR'(iccm_dma_rtag[2:0]))); + assign fifo_pend_en[i] = (dma_dccm_req | dma_iccm_req) & ~dma_mem_write & (i == RdPtr[DEPTH_PTR-1:0]); + assign fifo_error_en[i] = ((dma_address_error | dma_alignment_error | dma_dbg_cmd_error) & (i == RdPtr[DEPTH_PTR-1:0])) | + ((dccm_dma_rvalid & dccm_dma_ecc_error) & (i == DEPTH_PTR'(dccm_dma_rtag[2:0]))) | + ((iccm_dma_rvalid & iccm_dma_ecc_error) & (i == DEPTH_PTR'(iccm_dma_rtag[2:0]))); + assign fifo_error_bus_en[i] = (((|fifo_error_in[i][1:0]) & fifo_error_en[i]) | (|fifo_error[i])) & dma_bus_clk_en; + assign fifo_done_en[i] = ((|fifo_error[i] | fifo_error_en[i] | ((dma_dccm_req | dma_iccm_req) & dma_mem_write)) & (i == RdPtr[DEPTH_PTR-1:0])) | + (dccm_dma_rvalid & (i == DEPTH_PTR'(dccm_dma_rtag[2:0]))) | + (iccm_dma_rvalid & (i == DEPTH_PTR'(iccm_dma_rtag[2:0]))); + assign fifo_done_bus_en[i] = (fifo_done_en[i] | fifo_done[i]) & dma_bus_clk_en; + assign fifo_reset[i] = (((bus_rsp_sent | bus_posted_write_done) & dma_bus_clk_en) | dma_dbg_cmd_done) & (i == RspPtr[DEPTH_PTR-1:0]); + assign fifo_error_in[i] = (dccm_dma_rvalid & (i == DEPTH_PTR'(dccm_dma_rtag[2:0]))) ? {1'b0,dccm_dma_ecc_error} : (iccm_dma_rvalid & (i == DEPTH_PTR'(iccm_dma_rtag[2:0]))) ? {1'b0,iccm_dma_ecc_error} : + {(dma_address_error | dma_alignment_error | dma_dbg_cmd_error), dma_alignment_error}; + assign fifo_data_in[i] = (fifo_error_en[i] & (|fifo_error_in[i])) ? {32'b0,fifo_addr[i]} : + ((dccm_dma_rvalid & (i == DEPTH_PTR'(dccm_dma_rtag[2:0]))) ? dccm_dma_rdata[63:0] : (iccm_dma_rvalid & (i == DEPTH_PTR'(iccm_dma_rtag[2:0]))) ? iccm_dma_rdata[63:0] : + (dbg_cmd_valid ? {2{dma_dbg_mem_wrdata[31:0]}} : bus_cmd_wdata[63:0])); + + rvdffsc #(1) fifo_valid_dff (.din(1'b1), .dout(fifo_valid[i]), .en(fifo_cmd_en[i]), .clear(fifo_reset[i]), .clk(dma_free_clk), .*); + rvdffsc #(2) fifo_error_dff (.din(fifo_error_in[i]), .dout(fifo_error[i]), .en(fifo_error_en[i]), .clear(fifo_reset[i]), .clk(dma_free_clk), .*); + rvdffsc #(1) fifo_error_bus_dff (.din(1'b1), .dout(fifo_error_bus[i]), .en(fifo_error_bus_en[i]), .clear(fifo_reset[i]), .clk(dma_free_clk), .*); + rvdffsc #(1) fifo_rpend_dff (.din(1'b1), .dout(fifo_rpend[i]), .en(fifo_pend_en[i]), .clear(fifo_reset[i]), .clk(dma_free_clk), .*); + rvdffsc #(1) fifo_done_dff (.din(1'b1), .dout(fifo_done[i]), .en(fifo_done_en[i]), .clear(fifo_reset[i]), .clk(dma_free_clk), .*); + rvdffsc #(1) fifo_done_bus_dff (.din(1'b1), .dout(fifo_done_bus[i]), .en(fifo_done_bus_en[i]), .clear(fifo_reset[i]), .clk(dma_free_clk), .*); + rvdffe #(32) fifo_addr_dff (.din(fifo_addr_in[31:0]), .dout(fifo_addr[i]), .en(fifo_cmd_en[i]), .*); + rvdffs #(3) fifo_sz_dff (.din(fifo_sz_in[2:0]), .dout(fifo_sz[i]), .en(fifo_cmd_en[i]), .clk(dma_buffer_c1_clk), .*); + rvdffs #(8) fifo_byteen_dff (.din(fifo_byteen_in[7:0]), .dout(fifo_byteen[i]), .en(fifo_cmd_en[i]), .clk(dma_buffer_c1_clk), .*); + rvdffs #(1) fifo_write_dff (.din(fifo_write_in), .dout(fifo_write[i]), .en(fifo_cmd_en[i]), .clk(dma_buffer_c1_clk), .*); + rvdffs #(1) fifo_posted_write_dff (.din(fifo_posted_write_in), .dout(fifo_posted_write[i]), .en(fifo_cmd_en[i]), .clk(dma_buffer_c1_clk), .*); + rvdffs #(1) fifo_dbg_dff (.din(fifo_dbg_in), .dout(fifo_dbg[i]), .en(fifo_cmd_en[i]), .clk(dma_buffer_c1_clk), .*); + rvdffe #(64) fifo_data_dff (.din(fifo_data_in[i]), .dout(fifo_data[i]), .en(fifo_data_en[i]), .*); + rvdffs #(pt.DMA_BUS_TAG) fifo_tag_dff(.din(bus_cmd_tag[pt.DMA_BUS_TAG-1:0]), .dout(fifo_tag[i][pt.DMA_BUS_TAG-1:0]), .en(fifo_cmd_en[i]), .clk(dma_buffer_c1_clk), .*); + rvdffs #(pt.DMA_BUS_ID) fifo_mid_dff(.din(bus_cmd_mid[pt.DMA_BUS_ID-1:0]), .dout(fifo_mid[i][pt.DMA_BUS_ID-1:0]), .en(fifo_cmd_en[i]), .clk(dma_buffer_c1_clk), .*); + rvdffs #(pt.DMA_BUS_PRTY) fifo_prty_dff(.din(bus_cmd_prty[pt.DMA_BUS_PRTY-1:0]), .dout(fifo_prty[i][pt.DMA_BUS_PRTY-1:0]), .en(fifo_cmd_en[i]), .clk(dma_buffer_c1_clk), .*); + end + + // Pointer logic + assign NxtWrPtr[DEPTH_PTR-1:0] = (WrPtr[DEPTH_PTR-1:0] == (DEPTH-1)) ? '0 : WrPtr[DEPTH_PTR-1:0] + 1'b1; + assign NxtRdPtr[DEPTH_PTR-1:0] = (RdPtr[DEPTH_PTR-1:0] == (DEPTH-1)) ? '0 : RdPtr[DEPTH_PTR-1:0] + 1'b1; + assign NxtRspPtr[DEPTH_PTR-1:0] = (RspPtr[DEPTH_PTR-1:0] == (DEPTH-1)) ? '0 : RspPtr[DEPTH_PTR-1:0] + 1'b1; + + assign WrPtrEn = |fifo_cmd_en[DEPTH-1:0]; + assign RdPtrEn = dma_dccm_req | dma_iccm_req | (dma_address_error | dma_alignment_error | dma_dbg_cmd_error); + assign RspPtrEn = (dma_dbg_cmd_done | (bus_rsp_sent | bus_posted_write_done) & dma_bus_clk_en); + + rvdffs #(DEPTH_PTR) WrPtr_dff(.din(NxtWrPtr[DEPTH_PTR-1:0]), .dout(WrPtr[DEPTH_PTR-1:0]), .en(WrPtrEn), .clk(dma_free_clk), .*); + rvdffs #(DEPTH_PTR) RdPtr_dff(.din(NxtRdPtr[DEPTH_PTR-1:0]), .dout(RdPtr[DEPTH_PTR-1:0]), .en(RdPtrEn), .clk(dma_free_clk), .*); + rvdffs #(DEPTH_PTR) RspPtr_dff(.din(NxtRspPtr[DEPTH_PTR-1:0]), .dout(RspPtr[DEPTH_PTR-1:0]), .en(RspPtrEn), .clk(dma_free_clk), .*); + + // Miscellaneous signals + assign fifo_full = fifo_full_spec_bus; + + always_comb begin + num_fifo_vld[3:0] = {3'b0,bus_cmd_sent} - {3'b0,bus_rsp_sent}; + for (int i=0; i<DEPTH; i++) begin + num_fifo_vld[3:0] += {3'b0,fifo_valid[i]}; + end + end + assign fifo_full_spec = (num_fifo_vld[3:0] >= DEPTH); + + assign dma_fifo_ready = ~(fifo_full | dbg_dma_bubble_bus); + + // Error logic + assign dma_address_error = fifo_valid[RdPtr] & ~fifo_done[RdPtr] & ~fifo_dbg[RdPtr] & (~(dma_mem_addr_in_dccm | dma_mem_addr_in_iccm)); // request not for ICCM or DCCM + assign dma_alignment_error = fifo_valid[RdPtr] & ~fifo_done[RdPtr] & ~fifo_dbg[RdPtr] & ~dma_address_error & + (((dma_mem_sz_int[2:0] == 3'h1) & dma_mem_addr_int[0]) | // HW size but unaligned + ((dma_mem_sz_int[2:0] == 3'h2) & (|dma_mem_addr_int[1:0])) | // W size but unaligned + ((dma_mem_sz_int[2:0] == 3'h3) & (|dma_mem_addr_int[2:0])) | // DW size but unaligned + (dma_mem_addr_in_iccm & ~((dma_mem_sz_int[1:0] == 2'b10) | (dma_mem_sz_int[1:0] == 2'b11))) | // ICCM access not word size + (dma_mem_addr_in_dccm & dma_mem_write & ~((dma_mem_sz_int[1:0] == 2'b10) | (dma_mem_sz_int[1:0] == 2'b11))) | // DCCM write not word size + (dma_mem_write & (dma_mem_sz_int[2:0] == 3'h2) & (dma_mem_byteen[dma_mem_addr_int[2:0]+:4] != 4'hf)) | // Write byte enables not aligned for word store + (dma_mem_write & (dma_mem_sz_int[2:0] == 3'h3) & ~((dma_mem_byteen[7:0] == 8'h0f) | (dma_mem_byteen[7:0] == 8'hf0) | (dma_mem_byteen[7:0] == 8'hff)))); // Write byte enables not aligned for dword store + + + //Dbg outputs + assign dma_dbg_ready = fifo_empty & dbg_dma_bubble; + assign dma_dbg_cmd_done = (fifo_valid[RspPtr] & fifo_dbg[RspPtr] & fifo_done[RspPtr]); + assign dma_dbg_cmd_fail = |fifo_error[RspPtr]; + + assign dma_dbg_sz[1:0] = fifo_sz[RspPtr][1:0]; + assign dma_dbg_addr[1:0] = fifo_addr[RspPtr][1:0]; + assign dma_dbg_mem_rddata[31:0] = fifo_addr[RspPtr][2] ? fifo_data[RspPtr][63:32] : fifo_data[RspPtr][31:0]; + assign dma_dbg_rddata[31:0] = ({32{(dma_dbg_sz[1:0] == 2'h0)}} & ((dma_dbg_mem_rddata[31:0] >> 8*dma_dbg_addr[1:0]) & 32'hff)) | + ({32{(dma_dbg_sz[1:0] == 2'h1)}} & ((dma_dbg_mem_rddata[31:0] >> 16*dma_dbg_addr[1]) & 32'hffff)) | + ({32{(dma_dbg_sz[1:0] == 2'h2)}} & dma_dbg_mem_rddata[31:0]); + + assign dma_dbg_cmd_error = fifo_valid[RdPtr] & ~fifo_done[RdPtr] & fifo_dbg[RdPtr] & + ((~(dma_mem_addr_in_dccm | dma_mem_addr_in_iccm | dma_mem_addr_in_pic)) | // Address outside of ICCM/DCCM/PIC + ((dma_mem_addr_in_iccm | dma_mem_addr_in_pic) & (dma_mem_sz_int[1:0] != 2'b10))); // Only word accesses allowed for ICCM/PIC + + assign dma_dbg_mem_wrdata[31:0] = ({32{dbg_cmd_size[1:0] == 2'h0}} & {4{dbg_cmd_wrdata[7:0]}}) | + ({32{dbg_cmd_size[1:0] == 2'h1}} & {2{dbg_cmd_wrdata[15:0]}}) | + ({32{dbg_cmd_size[1:0] == 2'h2}} & dbg_cmd_wrdata[31:0]); + + // Block the decode if fifo full + assign dma_dccm_stall_any = dma_mem_req & (dma_mem_addr_in_dccm | dma_mem_addr_in_pic) & (dma_nack_count >= dma_nack_count_csr); + assign dma_iccm_stall_any = dma_mem_req & dma_mem_addr_in_iccm & (dma_nack_count >= dma_nack_count_csr); + + // Used to indicate ready to debug + assign fifo_empty = ~((|(fifo_valid[DEPTH-1:0])) | bus_cmd_sent); + + // Nack counter, stall the lsu pipe if 7 nacks + assign dma_nack_count_csr[2:0] = dec_tlu_dma_qos_prty[2:0]; + assign dma_nack_count_d[2:0] = (dma_nack_count[2:0] >= dma_nack_count_csr[2:0]) ? ({3{~(dma_dccm_req | dma_iccm_req)}} & dma_nack_count[2:0]) : + (dma_mem_req & ~(dma_dccm_req | dma_iccm_req)) ? (dma_nack_count[2:0] + 1'b1) : 3'b0; + + rvdffs #(3) nack_count_dff(.din(dma_nack_count_d[2:0]), .dout(dma_nack_count[2:0]), .en(dma_mem_req), .clk(dma_free_clk), .*); + + // Core outputs + assign dma_mem_req = fifo_valid[RdPtr] & ~fifo_rpend[RdPtr] & ~fifo_done[RdPtr] & ~(dma_address_error | dma_alignment_error | dma_dbg_cmd_error); + assign dma_dccm_req = dma_mem_req & (dma_mem_addr_in_dccm | dma_mem_addr_in_pic) & dccm_ready; + assign dma_iccm_req = dma_mem_req & dma_mem_addr_in_iccm & iccm_ready; + assign dma_mem_tag[2:0] = 3'(RdPtr); + assign dma_mem_addr_int[31:0] = fifo_addr[RdPtr]; + assign dma_mem_sz_int[2:0] = fifo_sz[RdPtr]; + assign dma_mem_addr[31:0] = (dma_mem_write & ~fifo_dbg[RdPtr] & (dma_mem_byteen[7:0] == 8'hf0)) ? {dma_mem_addr_int[31:3],1'b1,dma_mem_addr_int[1:0]} : dma_mem_addr_int[31:0]; + assign dma_mem_sz[2:0] = (dma_mem_write & ~fifo_dbg[RdPtr] & ((dma_mem_byteen[7:0] == 8'h0f) | (dma_mem_byteen[7:0] == 8'hf0))) ? 3'h2 : dma_mem_sz_int[2:0]; + assign dma_mem_byteen[7:0] = fifo_byteen[RdPtr]; + assign dma_mem_write = fifo_write[RdPtr]; + assign dma_mem_wdata[63:0] = fifo_data[RdPtr]; + + // PMU outputs + assign dma_pmu_dccm_read = dma_dccm_req & ~dma_mem_write; + assign dma_pmu_dccm_write = dma_dccm_req & dma_mem_write; + assign dma_pmu_any_read = (dma_dccm_req | dma_iccm_req) & ~dma_mem_write; + assign dma_pmu_any_write = (dma_dccm_req | dma_iccm_req) & dma_mem_write; + + // Address check dccm + if (pt.DCCM_ENABLE) begin: Gen_dccm_enable + rvrangecheck #(.CCM_SADR(pt.DCCM_SADR), + .CCM_SIZE(pt.DCCM_SIZE)) addr_dccm_rangecheck ( + .addr(dma_mem_addr_int[31:0]), + .in_range(dma_mem_addr_in_dccm), + .in_region(dma_mem_addr_in_dccm_region_nc) + ); + end else begin: Gen_dccm_disable + assign dma_mem_addr_in_dccm = '0; + assign dma_mem_addr_in_dccm_region_nc = '0; + end // else: !if(pt.ICCM_ENABLE) + + // Address check iccm + if (pt.ICCM_ENABLE) begin: Gen_iccm_enable + rvrangecheck #(.CCM_SADR(pt.ICCM_SADR), + .CCM_SIZE(pt.ICCM_SIZE)) addr_iccm_rangecheck ( + .addr(dma_mem_addr_int[31:0]), + .in_range(dma_mem_addr_in_iccm), + .in_region(dma_mem_addr_in_iccm_region_nc) + ); + end else begin: Gen_iccm_disable + assign dma_mem_addr_in_iccm = '0; + assign dma_mem_addr_in_iccm_region_nc = '0; + end // else: !if(pt.ICCM_ENABLE) + + + // PIC memory address check + rvrangecheck #(.CCM_SADR(pt.PIC_BASE_ADDR), + .CCM_SIZE(pt.PIC_SIZE)) addr_pic_rangecheck ( + .addr(dma_mem_addr_int[31:0]), + .in_range(dma_mem_addr_in_pic), + .in_region(dma_mem_addr_in_pic_region_nc) + ); + + // Inputs + rvdff_fpga #(1) fifo_full_bus_ff (.din(fifo_full_spec), .dout(fifo_full_spec_bus), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + rvdff_fpga #(1) dbg_dma_bubble_ff (.din(dbg_dma_bubble), .dout(dbg_dma_bubble_bus), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + rvdff #(1) dma_dbg_cmd_doneff (.din(dma_dbg_cmd_done), .dout(dma_dbg_cmd_done_q), .clk(free_clk), .*); + + // Clock Gating logic + assign dma_buffer_c1_clken = (bus_cmd_valid & dma_bus_clk_en) | dbg_cmd_valid | clk_override; + assign dma_free_clken = (bus_cmd_valid | bus_rsp_valid | dbg_cmd_valid | dma_dbg_cmd_done | dma_dbg_cmd_done_q | (|fifo_valid[DEPTH-1:0]) | clk_override); + + rvoclkhdr dma_buffer_c1cgc ( .en(dma_buffer_c1_clken), .l1clk(dma_buffer_c1_clk), .* ); + rvoclkhdr dma_free_cgc (.en(dma_free_clken), .l1clk(dma_free_clk), .*); + + + rvclkhdr dma_bus_cgc (.en(dma_bus_clk_en), .l1clk(dma_bus_clk), .*); + + // Write channel buffer + assign wrbuf_en = dma_axi_awvalid & dma_axi_awready; + assign wrbuf_data_en = dma_axi_wvalid & dma_axi_wready; + assign wrbuf_cmd_sent = bus_cmd_sent & bus_cmd_write; + assign wrbuf_rst = wrbuf_cmd_sent & ~wrbuf_en; + assign wrbuf_data_rst = wrbuf_cmd_sent & ~wrbuf_data_en; + + rvdffsc_fpga #(.WIDTH(1)) wrbuf_vldff (.din(1'b1), .dout(wrbuf_vld), .en(wrbuf_en), .clear(wrbuf_rst), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + rvdffsc_fpga #(.WIDTH(1)) wrbuf_data_vldff (.din(1'b1), .dout(wrbuf_data_vld), .en(wrbuf_data_en), .clear(wrbuf_data_rst), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(pt.DMA_BUS_TAG)) wrbuf_tagff (.din(dma_axi_awid[pt.DMA_BUS_TAG-1:0]), .dout(wrbuf_tag[pt.DMA_BUS_TAG-1:0]), .en(wrbuf_en), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(3)) wrbuf_szff (.din(dma_axi_awsize[2:0]), .dout(wrbuf_sz[2:0]), .en(wrbuf_en), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + rvdffe #(.WIDTH(32)) wrbuf_addrff (.din(dma_axi_awaddr[31:0]), .dout(wrbuf_addr[31:0]), .en(wrbuf_en & dma_bus_clk_en), .*); + rvdffe #(.WIDTH(64)) wrbuf_dataff (.din(dma_axi_wdata[63:0]), .dout(wrbuf_data[63:0]), .en(wrbuf_data_en & dma_bus_clk_en), .*); + rvdffs_fpga #(.WIDTH(8)) wrbuf_byteenff (.din(dma_axi_wstrb[7:0]), .dout(wrbuf_byteen[7:0]), .en(wrbuf_data_en), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + + // Read channel buffer + assign rdbuf_en = dma_axi_arvalid & dma_axi_arready; + assign rdbuf_cmd_sent = bus_cmd_sent & ~bus_cmd_write; + assign rdbuf_rst = rdbuf_cmd_sent & ~rdbuf_en; + + rvdffsc_fpga #(.WIDTH(1)) rdbuf_vldff (.din(1'b1), .dout(rdbuf_vld), .en(rdbuf_en), .clear(rdbuf_rst), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(pt.DMA_BUS_TAG)) rdbuf_tagff (.din(dma_axi_arid[pt.DMA_BUS_TAG-1:0]), .dout(rdbuf_tag[pt.DMA_BUS_TAG-1:0]), .en(rdbuf_en), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(3)) rdbuf_szff (.din(dma_axi_arsize[2:0]), .dout(rdbuf_sz[2:0]), .en(rdbuf_en), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + rvdffe #(.WIDTH(32)) rdbuf_addrff (.din(dma_axi_araddr[31:0]), .dout(rdbuf_addr[31:0]), .en(rdbuf_en & dma_bus_clk_en), .*); + + assign dma_axi_awready = ~(wrbuf_vld & ~wrbuf_cmd_sent); + assign dma_axi_wready = ~(wrbuf_data_vld & ~wrbuf_cmd_sent); + assign dma_axi_arready = ~(rdbuf_vld & ~rdbuf_cmd_sent); + + //Generate a single request from read/write channel + assign bus_cmd_valid = (wrbuf_vld & wrbuf_data_vld) | rdbuf_vld; + assign bus_cmd_sent = bus_cmd_valid & dma_fifo_ready; + assign bus_cmd_write = axi_mstr_sel; + assign bus_cmd_posted_write = '0; + assign bus_cmd_addr[31:0] = axi_mstr_sel ? wrbuf_addr[31:0] : rdbuf_addr[31:0]; + assign bus_cmd_sz[2:0] = axi_mstr_sel ? wrbuf_sz[2:0] : rdbuf_sz[2:0]; + assign bus_cmd_wdata[63:0] = wrbuf_data[63:0]; + assign bus_cmd_byteen[7:0] = wrbuf_byteen[7:0]; + assign bus_cmd_tag[pt.DMA_BUS_TAG-1:0] = axi_mstr_sel ? wrbuf_tag[pt.DMA_BUS_TAG-1:0] : rdbuf_tag[pt.DMA_BUS_TAG-1:0]; + assign bus_cmd_mid[pt.DMA_BUS_ID-1:0] = '0; + assign bus_cmd_prty[pt.DMA_BUS_PRTY-1:0] = '0; + + // Sel=1 -> write has higher priority + assign axi_mstr_sel = (wrbuf_vld & wrbuf_data_vld & rdbuf_vld) ? axi_mstr_priority : (wrbuf_vld & wrbuf_data_vld); + assign axi_mstr_prty_in = ~axi_mstr_priority; + assign axi_mstr_prty_en = bus_cmd_sent; + rvdffs_fpga #(.WIDTH(1)) mstr_prtyff(.din(axi_mstr_prty_in), .dout(axi_mstr_priority), .en(axi_mstr_prty_en), .clk(dma_bus_clk), .clken(dma_bus_clk_en), .rawclk(clk), .*); + + assign axi_rsp_valid = fifo_valid[RspPtr] & ~fifo_dbg[RspPtr] & fifo_done_bus[RspPtr]; + assign axi_rsp_rdata[63:0] = fifo_data[RspPtr]; + assign axi_rsp_write = fifo_write[RspPtr]; + assign axi_rsp_error[1:0] = fifo_error[RspPtr][0] ? 2'b10 : (fifo_error[RspPtr][1] ? 2'b11 : 2'b0); + assign axi_rsp_tag[pt.DMA_BUS_TAG-1:0] = fifo_tag[RspPtr]; + + // AXI response channel signals + assign dma_axi_bvalid = axi_rsp_valid & axi_rsp_write; + assign dma_axi_bresp[1:0] = axi_rsp_error[1:0]; + assign dma_axi_bid[pt.DMA_BUS_TAG-1:0] = axi_rsp_tag[pt.DMA_BUS_TAG-1:0]; + + assign dma_axi_rvalid = axi_rsp_valid & ~axi_rsp_write; + assign dma_axi_rresp[1:0] = axi_rsp_error; + assign dma_axi_rdata[63:0] = axi_rsp_rdata[63:0]; + assign dma_axi_rlast = 1'b1; + assign dma_axi_rid[pt.DMA_BUS_TAG-1:0] = axi_rsp_tag[pt.DMA_BUS_TAG-1:0]; + + assign bus_posted_write_done = 1'b0; + assign bus_rsp_valid = (dma_axi_bvalid | dma_axi_rvalid); + assign bus_rsp_sent = (dma_axi_bvalid & dma_axi_bready) | (dma_axi_rvalid & dma_axi_rready); + + assign dma_active = wrbuf_vld | rdbuf_vld | (|fifo_valid[DEPTH-1:0]); + +endmodule // eb1_dma_ctrl + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + + +module eb1_exu_alu_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, // Top level clock + input logic rst_l, // Reset + input logic scan_mode, // Scan control + + input logic flush_upper_x, // Branch flush from previous cycle + input logic flush_lower_r, // Master flush of entire pipeline + input logic enable, // Clock enable + input logic valid_in, // Valid + input eb1_alu_pkt_t ap, // predecodes + input logic csr_ren_in, // CSR select + input logic [31:0] csr_rddata_in, // CSR data + input logic signed [31:0] a_in, // A operand + input logic [31:0] b_in, // B operand + input logic [31:1] pc_in, // for pc=pc+2,4 calculations + input eb1_predict_pkt_t pp_in, // Predicted branch structure + input logic [12:1] brimm_in, // Branch offset + + + output logic [31:0] result_ff, // final result + output logic flush_upper_out, // Branch flush + output logic flush_final_out, // Branch flush or flush entire pipeline + output logic [31:1] flush_path_out, // Branch flush PC + output logic [31:1] pc_ff, // flopped PC + output logic pred_correct_out, // NPC control + output eb1_predict_pkt_t predict_p_out // Predicted branch structure + ); + + + logic [31:0] zba_a_in; + logic [31:0] aout; + logic cout,ov,neg; + logic [31:0] lout; + logic [31:0] sout; + logic sel_shift; + logic sel_adder; + logic slt_one; + logic actual_taken; + logic [31:1] pcout; + logic cond_mispredict; + logic target_mispredict; + logic eq, ne, lt, ge; + logic any_jal; + logic [1:0] newhist; + logic sel_pc; + logic [31:0] csr_write_data; + logic [31:0] result; + + + + + // *** Start - BitManip *** + + // Zbb + logic ap_clz; + logic ap_ctz; + logic ap_pcnt; + logic ap_sext_b; + logic ap_sext_h; + logic ap_min; + logic ap_max; + logic ap_pack; + logic ap_packu; + logic ap_packh; + logic ap_rol; + logic ap_ror; + logic ap_rev; + logic ap_rev8; + logic ap_orc_b; + logic ap_orc16; + logic ap_zbb; + + // Zbs + logic ap_sbset; + logic ap_sbclr; + logic ap_sbinv; + logic ap_sbext; + + // Zbr + logic ap_slo; + logic ap_sro; + + // Zba + logic ap_sh1add; + logic ap_sh2add; + logic ap_sh3add; + logic ap_zba; + + + + if (pt.BITMANIP_ZBB == 1) + begin + assign ap_clz = ap.clz; + assign ap_ctz = ap.ctz; + assign ap_pcnt = ap.pcnt; + assign ap_sext_b = ap.sext_b; + assign ap_sext_h = ap.sext_h; + assign ap_min = ap.min; + assign ap_max = ap.max; + end + else + begin + assign ap_clz = 1'b0; + assign ap_ctz = 1'b0; + assign ap_pcnt = 1'b0; + assign ap_sext_b = 1'b0; + assign ap_sext_h = 1'b0; + assign ap_min = 1'b0; + assign ap_max = 1'b0; + end + + + if ( (pt.BITMANIP_ZBB == 1) | (pt.BITMANIP_ZBP == 1) ) + begin + assign ap_pack = ap.pack; + assign ap_packu = ap.packu; + assign ap_packh = ap.packh; + assign ap_rol = ap.rol; + assign ap_ror = ap.ror; + assign ap_rev = ap.grev & (b_in[4:0] == 5'b11111); + assign ap_rev8 = ap.grev & (b_in[4:0] == 5'b11000); + assign ap_orc_b = ap.gorc & (b_in[4:0] == 5'b00111); + assign ap_orc16 = ap.gorc & (b_in[4:0] == 5'b10000); + assign ap_zbb = ap.zbb; + end + else + begin + assign ap_pack = 1'b0; + assign ap_packu = 1'b0; + assign ap_packh = 1'b0; + assign ap_rol = 1'b0; + assign ap_ror = 1'b0; + assign ap_rev = 1'b0; + assign ap_rev8 = 1'b0; + assign ap_orc_b = 1'b0; + assign ap_orc16 = 1'b0; + assign ap_zbb = 1'b0; + end + + + if (pt.BITMANIP_ZBS == 1) + begin + assign ap_sbset = ap.sbset; + assign ap_sbclr = ap.sbclr; + assign ap_sbinv = ap.sbinv; + assign ap_sbext = ap.sbext; + end + else + begin + assign ap_sbset = 1'b0; + assign ap_sbclr = 1'b0; + assign ap_sbinv = 1'b0; + assign ap_sbext = 1'b0; + end + + + if (pt.BITMANIP_ZBP == 1) + begin + assign ap_slo = ap.slo; + assign ap_sro = ap.sro; + end + else + begin + assign ap_slo = 1'b0; + assign ap_sro = 1'b0; + end + + + if (pt.BITMANIP_ZBA == 1) + begin + assign ap_sh1add = ap.sh1add; + assign ap_sh2add = ap.sh2add; + assign ap_sh3add = ap.sh3add; + assign ap_zba = ap.zba; + end + else + begin + assign ap_sh1add = 1'b0; + assign ap_sh2add = 1'b0; + assign ap_sh3add = 1'b0; + assign ap_zba = 1'b0; + end + + + + + // *** End - BitManip *** + + + + + rvdffpcie #(31) i_pc_ff (.*, .clk(clk), .en(enable), .din(pc_in[31:1]), .dout(pc_ff[31:1])); // any PC is run through here - doesn't have to be alu + rvdffe #(32) i_result_ff (.*, .clk(clk), .en(enable & valid_in), .din(result[31:0]), .dout(result_ff[31:0])); + + + + // immediates are just muxed into rs2 + + // add => add=1; + // sub => add=1; sub=1; + + // and => lctl=3 + // or => lctl=2 + // xor => lctl=1 + + // sll => sctl=3 + // srl => sctl=2 + // sra => sctl=1 + + // slt => slt + + // lui => lctl=2; or x0, imm20 previously << 12 + // auipc => add; add pc, imm20 previously << 12 + + // beq => bctl=4; add; add x0, pc, sext(offset[12:1]) + // bne => bctl=3; add; add x0, pc, sext(offset[12:1]) + // blt => bctl=2; add; add x0, pc, sext(offset[12:1]) + // bge => bctl=1; add; add x0, pc, sext(offset[12:1]) + + // jal => rs1=pc {pc[31:1],1'b0}, rs2=sext(offset20:1]); rd=pc+[2,4] + // jalr => rs1=rs1, rs2=sext(offset20:1]); rd=pc+[2,4] + + + + assign zba_a_in[31:0] = ( {32{ ap_sh1add}} & {a_in[30:0],1'b0} ) | + ( {32{ ap_sh2add}} & {a_in[29:0],2'b0} ) | + ( {32{ ap_sh3add}} & {a_in[28:0],3'b0} ) | + ( {32{~ap_zba }} & a_in[31:0] ); + + logic [31:0] bm; + + assign bm[31:0] = ( ap.sub ) ? ~b_in[31:0] : b_in[31:0]; + + assign {cout, aout[31:0]} = {1'b0, zba_a_in[31:0]} + {1'b0, bm[31:0]} + {32'b0, ap.sub}; + + assign ov = (~a_in[31] & ~bm[31] & aout[31]) | + ( a_in[31] & bm[31] & ~aout[31] ); + + assign lt = (~ap.unsign & (neg ^ ov)) | + ( ap.unsign & ~cout); + + assign eq = (a_in[31:0] == b_in[31:0]); + assign ne = ~eq; + assign neg = aout[31]; + assign ge = ~lt; + + + + assign lout[31:0] = ( {32{csr_ren_in }} & csr_rddata_in[31:0] ) | + ( {32{ap.land & ~ap_zbb}} & a_in[31:0] & b_in[31:0] ) | + ( {32{ap.lor & ~ap_zbb}} & (a_in[31:0] | b_in[31:0]) ) | + ( {32{ap.lxor & ~ap_zbb}} & (a_in[31:0] ^ b_in[31:0]) ) | + ( {32{ap.land & ap_zbb}} & a_in[31:0] & ~b_in[31:0] ) | + ( {32{ap.lor & ap_zbb}} & (a_in[31:0] | ~b_in[31:0]) ) | + ( {32{ap.lxor & ap_zbb}} & (a_in[31:0] ^ ~b_in[31:0]) ); + + + + + // * * * * * * * * * * * * * * * * * * BitManip : SLO,SRO * * * * * * * * * * * * * * * * * * + // * * * * * * * * * * * * * * * * * * BitManip : ROL,ROR * * * * * * * * * * * * * * * * * * + // * * * * * * * * * * * * * * * * * * BitManip : ZBEXT * * * * * * * * * * * * * * * * * * + + logic [5:0] shift_amount; + logic [31:0] shift_mask; + logic [62:0] shift_extend; + logic [62:0] shift_long; + + + assign shift_amount[5:0] = ( { 6{ap.sll}} & (6'd32 - {1'b0,b_in[4:0]}) ) | // [5] unused + ( { 6{ap.srl}} & {1'b0,b_in[4:0]} ) | + ( { 6{ap.sra}} & {1'b0,b_in[4:0]} ) | + ( { 6{ap_rol}} & (6'd32 - {1'b0,b_in[4:0]}) ) | + ( { 6{ap_ror}} & {1'b0,b_in[4:0]} ) | + ( { 6{ap_slo}} & (6'd32 - {1'b0,b_in[4:0]}) ) | + ( { 6{ap_sro}} & {1'b0,b_in[4:0]} ) | + ( { 6{ap_sbext}} & {1'b0,b_in[4:0]} ); + + + assign shift_mask[31:0] = ( 32'hffffffff << ({5{ap.sll | ap_slo}} & b_in[4:0]) ); + + + assign shift_extend[31:0] = a_in[31:0]; + + assign shift_extend[62:32] = ( {31{ap.sra}} & {31{a_in[31]}} ) | + ( {31{ap.sll}} & a_in[30:0] ) | + ( {31{ap_rol}} & a_in[30:0] ) | + ( {31{ap_ror}} & a_in[30:0] ) | + ( {31{ap_slo}} & a_in[30:0] ) | + ( {31{ap_sro}} & {31{ 1'b1 }} ); + + + assign shift_long[62:0] = ( shift_extend[62:0] >> shift_amount[4:0] ); // 62-32 unused + + assign sout[31:0] = ( shift_long[31:0] & shift_mask[31:0] ) | ( {32{ap_slo}} & ~shift_mask[31:0] ); + + + + + // * * * * * * * * * * * * * * * * * * BitManip : CLZ,CTZ * * * * * * * * * * * * * * * * * * + + logic bitmanip_clz_ctz_sel; + logic [31:0] bitmanip_a_reverse_ff; + logic [31:0] bitmanip_lzd_in; + logic [5:0] bitmanip_dw_lzd_enc; + logic [5:0] bitmanip_clz_ctz_result; + + assign bitmanip_clz_ctz_sel = ap_clz | ap_ctz; + + assign bitmanip_a_reverse_ff[31:0] = {a_in[0], a_in[1], a_in[2], a_in[3], a_in[4], a_in[5], a_in[6], a_in[7], + a_in[8], a_in[9], a_in[10], a_in[11], a_in[12], a_in[13], a_in[14], a_in[15], + a_in[16], a_in[17], a_in[18], a_in[19], a_in[20], a_in[21], a_in[22], a_in[23], + a_in[24], a_in[25], a_in[26], a_in[27], a_in[28], a_in[29], a_in[30], a_in[31]}; + + assign bitmanip_lzd_in[31:0] = ( {32{ap_clz}} & a_in[31:0] ) | + ( {32{ap_ctz}} & bitmanip_a_reverse_ff[31:0]); + + logic [31:0] bitmanip_lzd_os; + integer i; + logic found; + + always_comb + begin + bitmanip_lzd_os[31:0] = bitmanip_lzd_in[31:0]; + bitmanip_dw_lzd_enc[5:0]= 6'b0; + found = 1'b0; + + for (int i=0; i<32 && found==0; i++) begin + if (bitmanip_lzd_os[31] == 1'b0) begin + bitmanip_dw_lzd_enc[5:0]= bitmanip_dw_lzd_enc[5:0] + 6'b00_0001; + bitmanip_lzd_os[31:0] = bitmanip_lzd_os[31:0] << 1; + end + else + found=1'b1; + end + end + + + + assign bitmanip_clz_ctz_result[5:0] = {6{bitmanip_clz_ctz_sel}} & {bitmanip_dw_lzd_enc[5],( {5{~bitmanip_dw_lzd_enc[5]}} & bitmanip_dw_lzd_enc[4:0] )}; + + + + + // * * * * * * * * * * * * * * * * * * BitManip : PCNT * * * * * * * * * * * * * * * * * * + + logic [5:0] bitmanip_pcnt; + logic [5:0] bitmanip_pcnt_result; + + + integer bitmanip_pcnt_i; + + always_comb + begin + bitmanip_pcnt[5:0] = 6'b0; + + for (bitmanip_pcnt_i=0; bitmanip_pcnt_i<32; bitmanip_pcnt_i++) + begin + bitmanip_pcnt[5:0] = bitmanip_pcnt[5:0] + {5'b0,a_in[bitmanip_pcnt_i]}; + end // FOR bitmanip_pcnt_i + end // ALWAYS_COMB + + + assign bitmanip_pcnt_result[5:0] = {6{ap_pcnt}} & bitmanip_pcnt[5:0]; + + + + + // * * * * * * * * * * * * * * * * * * BitManip : SEXT_B,SEXT_H * * * * * * * * * * * * * * * * * + + logic [31:0] bitmanip_sext_result; + + assign bitmanip_sext_result[31:0] = ( {32{ap_sext_b}} & { {24{a_in[7]}} ,a_in[7:0] } ) | + ( {32{ap_sext_h}} & { {16{a_in[15]}},a_in[15:0] } ); + + + + + // * * * * * * * * * * * * * * * * * * BitManip : MIN,MAX,MINU,MAXU * * * * * * * * * * * * * * * + + logic bitmanip_minmax_sel; + logic [31:0] bitmanip_minmax_result; + + assign bitmanip_minmax_sel = ap_min | ap_max; + + + logic bitmanip_minmax_sel_a; + + assign bitmanip_minmax_sel_a = ge ^ ap_min; + + assign bitmanip_minmax_result[31:0] = ({32{bitmanip_minmax_sel & bitmanip_minmax_sel_a}} & a_in[31:0]) | + ({32{bitmanip_minmax_sel & ~bitmanip_minmax_sel_a}} & b_in[31:0]); + + + + // * * * * * * * * * * * * * * * * * * BitManip : PACK, PACKU, PACKH * * * * * * * * * * * * * * * + + logic [31:0] bitmanip_pack_result; + logic [31:0] bitmanip_packu_result; + logic [31:0] bitmanip_packh_result; + + assign bitmanip_pack_result[31:0] = {32{ap_pack}} & {b_in[15:0], a_in[15:0]}; + assign bitmanip_packu_result[31:0] = {32{ap_packu}} & {b_in[31:16],a_in[31:16]}; + assign bitmanip_packh_result[31:0] = {32{ap_packh}} & {16'b0,b_in[7:0],a_in[7:0]}; + + + + // * * * * * * * * * * * * * * * * * * BitManip : REV, REV8, ORC_B * * * * * * * * * * * * * * * * + + logic [31:0] bitmanip_rev_result; + logic [31:0] bitmanip_rev8_result; + logic [31:0] bitmanip_orc_b_result; + logic [31:0] bitmanip_orc16_result; + + assign bitmanip_rev_result[31:0] = {32{ap_rev}} & + {a_in[00],a_in[01],a_in[02],a_in[03],a_in[04],a_in[05],a_in[06],a_in[07], + a_in[08],a_in[09],a_in[10],a_in[11],a_in[12],a_in[13],a_in[14],a_in[15], + a_in[16],a_in[17],a_in[18],a_in[19],a_in[20],a_in[21],a_in[22],a_in[23], + a_in[24],a_in[25],a_in[26],a_in[27],a_in[28],a_in[29],a_in[30],a_in[31]}; + + assign bitmanip_rev8_result[31:0] = {32{ap_rev8}} & {a_in[7:0],a_in[15:8],a_in[23:16],a_in[31:24]}; + + +// uint32_t gorc32(uint32_t rs1, uint32_t rs2) +// { +// uint32_t x = rs1; +// int shamt = rs2 & 31; ORC.B ORC16 +// if (shamt & 1) x |= ((x & 0x55555555) << 1) | ((x & 0xAAAAAAAA) >> 1); 1 0 +// if (shamt & 2) x |= ((x & 0x33333333) << 2) | ((x & 0xCCCCCCCC) >> 2); 1 0 +// if (shamt & 4) x |= ((x & 0x0F0F0F0F) << 4) | ((x & 0xF0F0F0F0) >> 4); 1 0 +// if (shamt & 8) x |= ((x & 0x00FF00FF) << 8) | ((x & 0xFF00FF00) >> 8); 0 0 +// if (shamt & 16) x |= ((x & 0x0000FFFF) << 16) | ((x & 0xFFFF0000) >> 16); 0 1 +// return x; +// } + + +// BEFORE 31 , 30 , 29 , 28 , 27 , 26, 25, 24 +// shamt[0] b = a31|a30,a31|a30,a29|a28,a29|a28, a27|a26,a27|a26,a25|a24,a25|a24 +// shamt[1] c = b31|b29,b30|b28,b31|b29,b30|b28, b27|b25,b26|b24,b27|b25,b26|b24 +// shamt[2] d = c31|c27,c30|c26,c29|c25,c28|c24, c31|c27,c30|c26,c29|c25,c28|c24 +// +// Expand d31 = c31 | c27; +// = b31 | b29 | b27 | b25; +// = a31|a30 | a29|a28 | a27|a26 | a25|a24 + + assign bitmanip_orc_b_result[31:0] = {32{ap_orc_b}} & { {8{| a_in[31:24]}}, {8{| a_in[23:16]}}, {8{| a_in[15:8]}}, {8{| a_in[7:0]}} }; + + assign bitmanip_orc16_result[31:0] = {32{ap_orc16}} & { {a_in[31:16] | a_in[15:0]}, {a_in[31:16] | a_in[15:0]} }; + + + + // * * * * * * * * * * * * * * * * * * BitManip : ZBSET, ZBCLR, ZBINV * * * * * * * * * * * * * * + + logic [31:0] bitmanip_sb_1hot; + logic [31:0] bitmanip_sb_data; + + assign bitmanip_sb_1hot[31:0] = ( 32'h00000001 << b_in[4:0] ); + + assign bitmanip_sb_data[31:0] = ( {32{ap_sbset}} & ( a_in[31:0] | bitmanip_sb_1hot[31:0]) ) | + ( {32{ap_sbclr}} & ( a_in[31:0] & ~bitmanip_sb_1hot[31:0]) ) | + ( {32{ap_sbinv}} & ( a_in[31:0] ^ bitmanip_sb_1hot[31:0]) ); + + + + + + + assign sel_shift = ap.sll | ap.srl | ap.sra | ap_slo | ap_sro | ap_rol | ap_ror; + assign sel_adder = (ap.add | ap.sub | ap_zba) & ~ap.slt & ~ap_min & ~ap_max; + assign sel_pc = ap.jal | pp_in.pcall | pp_in.pja | pp_in.pret; + assign csr_write_data[31:0]= (ap.csr_imm) ? b_in[31:0] : a_in[31:0]; + + assign slt_one = ap.slt & lt; + + + + assign result[31:0] = lout[31:0] | + ({32{sel_shift}} & sout[31:0] ) | + ({32{sel_adder}} & aout[31:0] ) | + ({32{sel_pc}} & {pcout[31:1],1'b0} ) | + ({32{ap.csr_write}} & csr_write_data[31:0] ) | + {31'b0, slt_one} | + ({32{ap_sbext}} & {31'b0, sout[0]} ) | + {26'b0, bitmanip_clz_ctz_result[5:0]} | + {26'b0, bitmanip_pcnt_result[5:0]} | + bitmanip_sext_result[31:0] | + bitmanip_minmax_result[31:0] | + bitmanip_pack_result[31:0] | + bitmanip_packu_result[31:0] | + bitmanip_packh_result[31:0] | + bitmanip_rev_result[31:0] | + bitmanip_rev8_result[31:0] | + bitmanip_orc_b_result[31:0] | + bitmanip_orc16_result[31:0] | + bitmanip_sb_data[31:0]; + + + + // *** branch handling *** + + assign any_jal = ap.jal | + pp_in.pcall | + pp_in.pja | + pp_in.pret; + + assign actual_taken = (ap.beq & eq) | + (ap.bne & ne) | + (ap.blt & lt) | + (ap.bge & ge) | + any_jal; + + // for a conditional br pcout[] will be the opposite of the branch prediction + // for jal or pcall, it will be the link address pc+2 or pc+4 + + rvbradder ibradder ( + .pc ( pc_in[31:1] ), + .offset ( brimm_in[12:1] ), + .dout ( pcout[31:1] )); + + + // pred_correct is for the npc logic + // pred_correct indicates not to use the flush_path + // for any_jal pred_correct==0 + + assign pred_correct_out = (valid_in & ap.predict_nt & ~actual_taken & ~any_jal) | + (valid_in & ap.predict_t & actual_taken & ~any_jal); + + + // for any_jal adder output is the flush path + assign flush_path_out[31:1]= (any_jal) ? aout[31:1] : pcout[31:1]; + + + // pcall and pret are included here + assign cond_mispredict = (ap.predict_t & ~actual_taken) | + (ap.predict_nt & actual_taken); + + + // target mispredicts on ret's + + assign target_mispredict = pp_in.pret & (pp_in.prett[31:1] != aout[31:1]); + + assign flush_upper_out = (ap.jal | cond_mispredict | target_mispredict) & valid_in & ~flush_upper_x & ~flush_lower_r; + assign flush_final_out = ( (ap.jal | cond_mispredict | target_mispredict) & valid_in & ~flush_upper_x ) | flush_lower_r; + + + // .i 3 + // .o 2 + // .ilb hist[1] hist[0] taken + // .ob newhist[1] newhist[0] + // .type fd + // + // 00 0 01 + // 01 0 01 + // 10 0 00 + // 11 0 10 + // 00 1 10 + // 01 1 00 + // 10 1 11 + // 11 1 11 + + assign newhist[1] = ( pp_in.hist[1] & pp_in.hist[0]) | (~pp_in.hist[0] & actual_taken); + assign newhist[0] = (~pp_in.hist[1] & ~actual_taken) | ( pp_in.hist[1] & actual_taken); + + always_comb begin + predict_p_out = pp_in; + + predict_p_out.misp = ~flush_upper_x & ~flush_lower_r & (cond_mispredict | target_mispredict); + predict_p_out.ataken = actual_taken; + predict_p_out.hist[1] = newhist[1]; + predict_p_out.hist[0] = newhist[0]; + + end + + + +endmodule // eb1_exu_alu_ctl + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + + +module eb1_exu_div_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, // Top level clock + input logic rst_l, // Reset + input logic scan_mode, // Scan mode + + input eb1_div_pkt_t dp, // valid, sign, rem + input logic [31:0] dividend, // Numerator + input logic [31:0] divisor, // Denominator + + input logic cancel, // Cancel divide + + + output logic finish_dly, // Finish to match data + output logic [31:0] out // Result + ); + + + logic [31:0] out_raw; + + assign out[31:0] = {32{finish_dly}} & out_raw[31:0]; // Qualification added to quiet result bus while divide is iterating + + + + if (pt.DIV_NEW == 0) + begin + eb1_exu_div_existing_1bit_cheapshortq i_existing_1bit_div_cheapshortq ( + .clk ( clk ), // I + .rst_l ( rst_l ), // I + .scan_mode ( scan_mode ), // I + .cancel ( cancel ), // I + .valid_in ( dp.valid ), // I + .signed_in (~dp.unsign ), // I + .rem_in ( dp.rem ), // I + .dividend_in ( dividend[31:0] ), // I + .divisor_in ( divisor[31:0] ), // I + .valid_out ( finish_dly ), // O + .data_out ( out_raw[31:0] )); // O + end + + + if ( (pt.DIV_NEW == 1) & (pt.DIV_BIT == 1) ) + begin + eb1_exu_div_new_1bit_fullshortq i_new_1bit_div_fullshortq ( + .clk ( clk ), // I + .rst_l ( rst_l ), // I + .scan_mode ( scan_mode ), // I + .cancel ( cancel ), // I + .valid_in ( dp.valid ), // I + .signed_in (~dp.unsign ), // I + .rem_in ( dp.rem ), // I + .dividend_in ( dividend[31:0] ), // I + .divisor_in ( divisor[31:0] ), // I + .valid_out ( finish_dly ), // O + .data_out ( out_raw[31:0] )); // O + end + + + if ( (pt.DIV_NEW == 1) & (pt.DIV_BIT == 2) ) + begin + eb1_exu_div_new_2bit_fullshortq i_new_2bit_div_fullshortq ( + .clk ( clk ), // I + .rst_l ( rst_l ), // I + .scan_mode ( scan_mode ), // I + .cancel ( cancel ), // I + .valid_in ( dp.valid ), // I + .signed_in (~dp.unsign ), // I + .rem_in ( dp.rem ), // I + .dividend_in ( dividend[31:0] ), // I + .divisor_in ( divisor[31:0] ), // I + .valid_out ( finish_dly ), // O + .data_out ( out_raw[31:0] )); // O + end + + + if ( (pt.DIV_NEW == 1) & (pt.DIV_BIT == 3) ) + begin + eb1_exu_div_new_3bit_fullshortq i_new_3bit_div_fullshortq ( + .clk ( clk ), // I + .rst_l ( rst_l ), // I + .scan_mode ( scan_mode ), // I + .cancel ( cancel ), // I + .valid_in ( dp.valid ), // I + .signed_in (~dp.unsign ), // I + .rem_in ( dp.rem ), // I + .dividend_in ( dividend[31:0] ), // I + .divisor_in ( divisor[31:0] ), // I + .valid_out ( finish_dly ), // O + .data_out ( out_raw[31:0] )); // O + end + + + if ( (pt.DIV_NEW == 1) & (pt.DIV_BIT == 4) ) + begin + eb1_exu_div_new_4bit_fullshortq i_new_4bit_div_fullshortq ( + .clk ( clk ), // I + .rst_l ( rst_l ), // I + .scan_mode ( scan_mode ), // I + .cancel ( cancel ), // I + .valid_in ( dp.valid ), // I + .signed_in (~dp.unsign ), // I + .rem_in ( dp.rem ), // I + .dividend_in ( dividend[31:0] ), // I + .divisor_in ( divisor[31:0] ), // I + .valid_out ( finish_dly ), // O + .data_out ( out_raw[31:0] )); // O + end + + + +endmodule // eb1_exu_div_ctl + + + + + + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +module eb1_exu_div_existing_1bit_cheapshortq + ( + input logic clk, // Top level clock + input logic rst_l, // Reset + input logic scan_mode, // Scan mode + + input logic cancel, // Flush pipeline + input logic valid_in, + input logic signed_in, + input logic rem_in, + input logic [31:0] dividend_in, + input logic [31:0] divisor_in, + + output logic valid_out, + output logic [31:0] data_out + ); + + + logic div_clken; + logic run_in, run_state; + logic [5:0] count_in, count; + logic [32:0] m_ff; + logic qff_enable; + logic aff_enable; + logic [32:0] q_in, q_ff; + logic [32:0] a_in, a_ff; + logic [32:0] m_eff; + logic [32:0] a_shift; + logic dividend_neg_ff, divisor_neg_ff; + logic [31:0] dividend_comp; + logic [31:0] dividend_eff; + logic [31:0] q_ff_comp; + logic [31:0] q_ff_eff; + logic [31:0] a_ff_comp; + logic [31:0] a_ff_eff; + logic sign_ff, sign_eff; + logic rem_ff; + logic add; + logic [32:0] a_eff; + logic [64:0] a_eff_shift; + logic rem_correct; + logic valid_ff_x; + logic valid_x; + logic finish; + logic finish_ff; + + logic smallnum_case, smallnum_case_ff; + logic [3:0] smallnum, smallnum_ff; + logic m_already_comp; + + logic [4:0] a_cls; + logic [4:0] b_cls; + logic [5:0] shortq_shift; + logic [5:0] shortq_shift_ff; + logic [5:0] shortq; + logic shortq_enable; + logic shortq_enable_ff; + logic [32:0] short_dividend; + logic [3:0] shortq_raw; + logic [3:0] shortq_shift_xx; + + + + rvdffe #(23) i_misc_ff (.*, .clk(clk), .en(div_clken), .din ({valid_in & ~cancel, + finish & ~cancel, + run_in, + count_in[5:0], + (valid_in & dividend_in[31]) | (~valid_in & dividend_neg_ff), + (valid_in & divisor_in[31] ) | (~valid_in & divisor_neg_ff ), + (valid_in & sign_eff ) | (~valid_in & sign_ff ), + (valid_in & rem_in ) | (~valid_in & rem_ff ), + smallnum_case, + smallnum[3:0], + shortq_enable, + shortq_shift[3:0]}), + + .dout({valid_ff_x, + finish_ff, + run_state, + count[5:0], + dividend_neg_ff, + divisor_neg_ff, + sign_ff, + rem_ff, + smallnum_case_ff, + smallnum_ff[3:0], + shortq_enable_ff, + shortq_shift_xx[3:0]})); + + + rvdffe #(33) mff (.*, .clk(clk), .en(valid_in), .din({signed_in & divisor_in[31], divisor_in[31:0]}), .dout(m_ff[32:0])); + rvdffe #(33) qff (.*, .clk(clk), .en(qff_enable), .din(q_in[32:0]), .dout(q_ff[32:0])); + rvdffe #(33) aff (.*, .clk(clk), .en(aff_enable), .din(a_in[32:0]), .dout(a_ff[32:0])); + + rvtwoscomp #(32) i_dividend_comp (.din(q_ff[31:0]), .dout(dividend_comp[31:0])); + rvtwoscomp #(32) i_q_ff_comp (.din(q_ff[31:0]), .dout(q_ff_comp[31:0])); + rvtwoscomp #(32) i_a_ff_comp (.din(a_ff[31:0]), .dout(a_ff_comp[31:0])); + + + assign valid_x = valid_ff_x & ~cancel; + + + // START - short circuit logic for small numbers {{ + + // small number divides - any 4b / 4b is done in 1 cycle (divisor != 0) + // to generate espresso equations: + // 1. smalldiv > smalldiv.e + // 2. espresso -Dso -oeqntott smalldiv.e | addassign > smalldiv + + // smallnum case does not cover divide by 0 + assign smallnum_case = ((q_ff[31:4] == 28'b0) & (m_ff[31:4] == 28'b0) & (m_ff[31:0] != 32'b0) & ~rem_ff & valid_x) | + ((q_ff[31:0] == 32'b0) & (m_ff[31:0] != 32'b0) & ~rem_ff & valid_x); + + + assign smallnum[3] = ( q_ff[3] & ~m_ff[3] & ~m_ff[2] & ~m_ff[1] ); + + + assign smallnum[2] = ( q_ff[3] & ~m_ff[3] & ~m_ff[2] & ~m_ff[0]) | + ( q_ff[2] & ~m_ff[3] & ~m_ff[2] & ~m_ff[1] ) | + ( q_ff[3] & q_ff[2] & ~m_ff[3] & ~m_ff[2] ); + + + assign smallnum[1] = ( q_ff[2] & ~m_ff[3] & ~m_ff[2] & ~m_ff[0]) | + ( q_ff[1] & ~m_ff[3] & ~m_ff[2] & ~m_ff[1] ) | + ( q_ff[3] & ~m_ff[3] & ~m_ff[1] & ~m_ff[0]) | + ( q_ff[3] & ~q_ff[2] & ~m_ff[3] & ~m_ff[2] & m_ff[1] & m_ff[0]) | + (~q_ff[3] & q_ff[2] & q_ff[1] & ~m_ff[3] & ~m_ff[2] ) | + ( q_ff[3] & q_ff[2] & ~m_ff[3] & ~m_ff[0]) | + ( q_ff[3] & q_ff[2] & ~m_ff[3] & m_ff[2] & ~m_ff[1] ) | + ( q_ff[3] & q_ff[1] & ~m_ff[3] & ~m_ff[1] ) | + ( q_ff[3] & q_ff[2] & q_ff[1] & ~m_ff[3] & m_ff[2] ); + + + assign smallnum[0] = ( q_ff[2] & q_ff[1] & q_ff[0] & ~m_ff[3] & ~m_ff[1] ) | + ( q_ff[3] & ~q_ff[2] & q_ff[0] & ~m_ff[3] & m_ff[1] & m_ff[0]) | + ( q_ff[2] & ~m_ff[3] & ~m_ff[1] & ~m_ff[0]) | + ( q_ff[1] & ~m_ff[3] & ~m_ff[2] & ~m_ff[0]) | + ( q_ff[0] & ~m_ff[3] & ~m_ff[2] & ~m_ff[1] ) | + (~q_ff[3] & q_ff[2] & ~q_ff[1] & ~m_ff[3] & ~m_ff[2] & m_ff[1] & m_ff[0]) | + (~q_ff[3] & q_ff[2] & q_ff[1] & ~m_ff[3] & ~m_ff[0]) | + ( q_ff[3] & ~m_ff[2] & ~m_ff[1] & ~m_ff[0]) | + ( q_ff[3] & ~q_ff[2] & ~m_ff[3] & m_ff[2] & m_ff[1] ) | + (~q_ff[3] & q_ff[2] & q_ff[1] & ~m_ff[3] & m_ff[2] & ~m_ff[1] ) | + (~q_ff[3] & q_ff[2] & q_ff[0] & ~m_ff[3] & ~m_ff[1] ) | + ( q_ff[3] & ~q_ff[2] & ~q_ff[1] & ~m_ff[3] & m_ff[2] & m_ff[0]) | + ( ~q_ff[2] & q_ff[1] & q_ff[0] & ~m_ff[3] & ~m_ff[2] ) | + ( q_ff[3] & q_ff[2] & ~m_ff[1] & ~m_ff[0]) | + ( q_ff[3] & q_ff[1] & ~m_ff[2] & ~m_ff[0]) | + (~q_ff[3] & q_ff[2] & q_ff[1] & q_ff[0] & ~m_ff[3] & m_ff[2] ) | + ( q_ff[3] & q_ff[2] & m_ff[3] & ~m_ff[2] ) | + ( q_ff[3] & q_ff[1] & m_ff[3] & ~m_ff[2] & ~m_ff[1] ) | + ( q_ff[3] & q_ff[0] & ~m_ff[2] & ~m_ff[1] ) | + ( q_ff[3] & ~q_ff[1] & ~m_ff[3] & m_ff[2] & m_ff[1] & m_ff[0]) | + ( q_ff[3] & q_ff[2] & q_ff[1] & m_ff[3] & ~m_ff[0]) | + ( q_ff[3] & q_ff[2] & q_ff[1] & m_ff[3] & ~m_ff[1] ) | + ( q_ff[3] & q_ff[2] & q_ff[0] & m_ff[3] & ~m_ff[1] ) | + ( q_ff[3] & ~q_ff[2] & q_ff[1] & ~m_ff[3] & m_ff[1] ) | + ( q_ff[3] & q_ff[1] & q_ff[0] & ~m_ff[2] ) | + ( q_ff[3] & q_ff[2] & q_ff[1] & q_ff[0] & m_ff[3] ); + + + // END - short circuit logic for small numbers }} + + + // *** Start Short Q *** {{ + + assign short_dividend[31:0] = q_ff[31:0]; + assign short_dividend[32] = sign_ff & q_ff[31]; + + + // A B + // 210 210 SH + // --- --- -- + // 1xx 000 0 + // 1xx 001 8 + // 1xx 01x 16 + // 1xx 1xx 24 + // 01x 000 8 + // 01x 001 16 + // 01x 01x 24 + // 01x 1xx 32 + // 001 000 16 + // 001 001 24 + // 001 01x 32 + // 001 1xx 32 + // 000 000 24 + // 000 001 32 + // 000 01x 32 + // 000 1xx 32 + + assign a_cls[4:3] = 2'b0; + assign a_cls[2] = (~short_dividend[32] & (short_dividend[31:24] != {8{1'b0}})) | ( short_dividend[32] & (short_dividend[31:23] != {9{1'b1}})); + assign a_cls[1] = (~short_dividend[32] & (short_dividend[23:16] != {8{1'b0}})) | ( short_dividend[32] & (short_dividend[22:15] != {8{1'b1}})); + assign a_cls[0] = (~short_dividend[32] & (short_dividend[15:08] != {8{1'b0}})) | ( short_dividend[32] & (short_dividend[14:07] != {8{1'b1}})); + + assign b_cls[4:3] = 2'b0; + assign b_cls[2] = (~m_ff[32] & ( m_ff[31:24] != {8{1'b0}})) | ( m_ff[32] & ( m_ff[31:24] != {8{1'b1}})); + assign b_cls[1] = (~m_ff[32] & ( m_ff[23:16] != {8{1'b0}})) | ( m_ff[32] & ( m_ff[23:16] != {8{1'b1}})); + assign b_cls[0] = (~m_ff[32] & ( m_ff[15:08] != {8{1'b0}})) | ( m_ff[32] & ( m_ff[15:08] != {8{1'b1}})); + + assign shortq_raw[3] = ( (a_cls[2:1] == 2'b01 ) & (b_cls[2] == 1'b1 ) ) | // Shift by 32 + ( (a_cls[2:0] == 3'b001) & (b_cls[2] == 1'b1 ) ) | + ( (a_cls[2:0] == 3'b000) & (b_cls[2] == 1'b1 ) ) | + ( (a_cls[2:0] == 3'b001) & (b_cls[2:1] == 2'b01 ) ) | + ( (a_cls[2:0] == 3'b000) & (b_cls[2:1] == 2'b01 ) ) | + ( (a_cls[2:0] == 3'b000) & (b_cls[2:0] == 3'b001) ); + + assign shortq_raw[2] = ( (a_cls[2] == 1'b1 ) & (b_cls[2] == 1'b1 ) ) | // Shift by 24 + ( (a_cls[2:1] == 2'b01 ) & (b_cls[2:1] == 2'b01 ) ) | + ( (a_cls[2:0] == 3'b001) & (b_cls[2:0] == 3'b001) ) | + ( (a_cls[2:0] == 3'b000) & (b_cls[2:0] == 3'b000) ); + + assign shortq_raw[1] = ( (a_cls[2] == 1'b1 ) & (b_cls[2:1] == 2'b01 ) ) | // Shift by 16 + ( (a_cls[2:1] == 2'b01 ) & (b_cls[2:0] == 3'b001) ) | + ( (a_cls[2:0] == 3'b001) & (b_cls[2:0] == 3'b000) ); + + assign shortq_raw[0] = ( (a_cls[2] == 1'b1 ) & (b_cls[2:0] == 3'b001) ) | // Shift by 8 + ( (a_cls[2:1] == 2'b01 ) & (b_cls[2:0] == 3'b000) ); + + + assign shortq_enable = valid_ff_x & (m_ff[31:0] != 32'b0) & (shortq_raw[3:0] != 4'b0); + + assign shortq_shift[3:0] = ({4{shortq_enable}} & shortq_raw[3:0]); + + assign shortq[5:0] = 6'b0; + assign shortq_shift[5:4] = 2'b0; + assign shortq_shift_ff[5] = 1'b0; + + assign shortq_shift_ff[4:0] = ({5{shortq_shift_xx[3]}} & 5'b1_1111) | // 31 + ({5{shortq_shift_xx[2]}} & 5'b1_1000) | // 24 + ({5{shortq_shift_xx[1]}} & 5'b1_0000) | // 16 + ({5{shortq_shift_xx[0]}} & 5'b0_1000); // 8 + + // *** End Short *** }} + + + + + + assign div_clken = valid_in | run_state | finish | finish_ff; + + assign run_in = (valid_in | run_state) & ~finish & ~cancel; + + assign count_in[5:0] = {6{run_state & ~finish & ~cancel & ~shortq_enable}} & (count[5:0] + {1'b0,shortq_shift_ff[4:0]} + 6'd1); + + + assign finish = (smallnum_case | ((~rem_ff) ? (count[5:0] == 6'd32) : (count[5:0] == 6'd33))); + + assign valid_out = finish_ff & ~cancel; + + assign sign_eff = signed_in & (divisor_in[31:0] != 32'b0); + + + assign q_in[32:0] = ({33{~run_state }} & {1'b0,dividend_in[31:0]}) | + ({33{ run_state & (valid_ff_x | shortq_enable_ff)}} & ({dividend_eff[31:0], ~a_in[32]} << shortq_shift_ff[4:0])) | + ({33{ run_state & ~(valid_ff_x | shortq_enable_ff)}} & {q_ff[31:0], ~a_in[32]}); + + assign qff_enable = valid_in | (run_state & ~shortq_enable); + + + + + assign dividend_eff[31:0] = (sign_ff & dividend_neg_ff) ? dividend_comp[31:0] : q_ff[31:0]; + + + assign m_eff[32:0] = ( add ) ? m_ff[32:0] : ~m_ff[32:0]; + + assign a_eff_shift[64:0] = {33'b0, dividend_eff[31:0]} << shortq_shift_ff[4:0]; + + assign a_eff[32:0] = ({33{ rem_correct }} & a_ff[32:0] ) | + ({33{~rem_correct & ~shortq_enable_ff}} & {a_ff[31:0], q_ff[32]} ) | + ({33{~rem_correct & shortq_enable_ff}} & a_eff_shift[64:32] ); + + assign a_shift[32:0] = {33{run_state}} & a_eff[32:0]; + + assign a_in[32:0] = {33{run_state}} & (a_shift[32:0] + m_eff[32:0] + {32'b0,~add}); + + assign aff_enable = valid_in | (run_state & ~shortq_enable & (count[5:0]!=6'd33)) | rem_correct; + + + assign m_already_comp = (divisor_neg_ff & sign_ff); + + // if m already complemented, then invert operation add->sub, sub->add + assign add = (a_ff[32] | rem_correct) ^ m_already_comp; + + assign rem_correct = (count[5:0] == 6'd33) & rem_ff & a_ff[32]; + + + + assign q_ff_eff[31:0] = (sign_ff & (dividend_neg_ff ^ divisor_neg_ff)) ? q_ff_comp[31:0] : q_ff[31:0]; + + assign a_ff_eff[31:0] = (sign_ff & dividend_neg_ff) ? a_ff_comp[31:0] : a_ff[31:0]; + + assign data_out[31:0] = ({32{ smallnum_case_ff }} & {28'b0, smallnum_ff[3:0]}) | + ({32{ rem_ff}} & a_ff_eff[31:0] ) | + ({32{~smallnum_case_ff & ~rem_ff}} & q_ff_eff[31:0] ); + + + + +endmodule // eb1_exu_div_existing_1bit_cheapshortq + + + + + + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +module eb1_exu_div_new_1bit_fullshortq + ( + input logic clk, // Top level clock + input logic rst_l, // Reset + input logic scan_mode, // Scan mode + + input logic cancel, // Flush pipeline + input logic valid_in, + input logic signed_in, + input logic rem_in, + input logic [31:0] dividend_in, + input logic [31:0] divisor_in, + + output logic valid_out, + output logic [31:0] data_out + ); + + + logic valid_ff_in, valid_ff; + logic finish_raw, finish, finish_ff; + logic running_state; + logic misc_enable; + logic [2:0] control_in, control_ff; + logic dividend_sign_ff, divisor_sign_ff, rem_ff; + logic count_enable; + logic [6:0] count_in, count_ff; + + logic smallnum_case; + logic [3:0] smallnum; + + logic a_enable, a_shift; + logic [31:0] a_in, a_ff; + + logic b_enable, b_twos_comp; + logic [32:0] b_in, b_ff; + + logic [31:0] q_in, q_ff; + + logic rq_enable, r_sign_sel, r_restore_sel, r_adder_sel; + logic [31:0] r_in, r_ff; + + logic twos_comp_q_sel, twos_comp_b_sel; + logic [31:0] twos_comp_in, twos_comp_out; + + logic quotient_set; + logic [32:0] adder_out; + + logic [63:0] ar_shifted; + logic [5:0] shortq; + logic [4:0] shortq_shift; + logic [4:0] shortq_shift_ff; + logic shortq_enable; + logic shortq_enable_ff; + logic [32:0] shortq_dividend; + + logic by_zero_case; + logic by_zero_case_ff; + + + + rvdffe #(19) i_misc_ff (.*, .clk(clk), .en(misc_enable), .din ({valid_ff_in, control_in[2:0], by_zero_case, shortq_enable, shortq_shift[4:0], finish, count_in[6:0]}), + .dout({valid_ff, control_ff[2:0], by_zero_case_ff, shortq_enable_ff, shortq_shift_ff[4:0], finish_ff, count_ff[6:0]})); + + rvdffe #(32) i_a_ff (.*, .clk(clk), .en(a_enable), .din(a_in[31:0]), .dout(a_ff[31:0])); + rvdffe #(33) i_b_ff (.*, .clk(clk), .en(b_enable), .din(b_in[32:0]), .dout(b_ff[32:0])); + rvdffe #(32) i_r_ff (.*, .clk(clk), .en(rq_enable), .din(r_in[31:0]), .dout(r_ff[31:0])); + rvdffe #(32) i_q_ff (.*, .clk(clk), .en(rq_enable), .din(q_in[31:0]), .dout(q_ff[31:0])); + + + + + assign valid_ff_in = valid_in & ~cancel; + + assign control_in[2] = (~valid_in & control_ff[2]) | (valid_in & signed_in & dividend_in[31]); + assign control_in[1] = (~valid_in & control_ff[1]) | (valid_in & signed_in & divisor_in[31]); + assign control_in[0] = (~valid_in & control_ff[0]) | (valid_in & rem_in); + + assign dividend_sign_ff = control_ff[2]; + assign divisor_sign_ff = control_ff[1]; + assign rem_ff = control_ff[0]; + + + assign by_zero_case = valid_ff & (b_ff[31:0] == 32'b0); + + assign misc_enable = valid_in | valid_ff | cancel | running_state | finish_ff; + assign running_state = (| count_ff[6:0]) | shortq_enable_ff; + assign finish_raw = smallnum_case | + by_zero_case | + (count_ff[6:0] == 7'd32); + + + assign finish = finish_raw & ~cancel; + assign count_enable = (valid_ff | running_state) & ~finish & ~finish_ff & ~cancel & ~shortq_enable; + assign count_in[6:0] = {7{count_enable}} & (count_ff[6:0] + {6'b0,1'b1} + {2'b0,shortq_shift_ff[4:0]}); + + + assign a_enable = valid_in | running_state; + assign a_shift = running_state & ~shortq_enable_ff; + + assign ar_shifted[63:0] = { {32{dividend_sign_ff}} , a_ff[31:0]} << shortq_shift_ff[4:0]; + + assign a_in[31:0] = ( {32{~a_shift & ~shortq_enable_ff}} & dividend_in[31:0] ) | + ( {32{ a_shift }} & {a_ff[30:0],1'b0} ) | + ( {32{ shortq_enable_ff}} & ar_shifted[31:0] ); + + + + assign b_enable = valid_in | b_twos_comp; + assign b_twos_comp = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + + assign b_in[32:0] = ( {33{~b_twos_comp}} & { (signed_in & divisor_in[31]),divisor_in[31:0] } ) | + ( {33{ b_twos_comp}} & {~divisor_sign_ff,twos_comp_out[31:0] } ); + + + assign rq_enable = valid_in | valid_ff | running_state; + assign r_sign_sel = valid_ff & dividend_sign_ff & ~by_zero_case; + assign r_restore_sel = running_state & ~quotient_set & ~shortq_enable_ff; + assign r_adder_sel = running_state & quotient_set & ~shortq_enable_ff; + + + assign r_in[31:0] = ( {32{r_sign_sel }} & 32'hffffffff ) | + ( {32{r_restore_sel }} & {r_ff[30:0] ,a_ff[31]} ) | + ( {32{r_adder_sel }} & adder_out[31:0] ) | + ( {32{shortq_enable_ff}} & ar_shifted[63:32] ) | + ( {32{by_zero_case }} & a_ff[31:0] ); + + + assign q_in[31:0] = ( {32{~valid_ff }} & {q_ff[30:0], quotient_set} ) | + ( {32{ smallnum_case }} & {28'b0 , smallnum[3:0]} ) | + ( {32{ by_zero_case }} & {32{1'b1}} ); + + + + assign adder_out[32:0] = {r_ff[31:0],a_ff[31]} + {b_ff[32:0] }; + + + assign quotient_set = (~adder_out[32] ^ dividend_sign_ff) | ( (a_ff[30:0] == 31'b0) & (adder_out[32:0] == 33'b0) ); + + + + assign twos_comp_b_sel = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign twos_comp_q_sel = ~valid_ff & ~rem_ff & (dividend_sign_ff ^ divisor_sign_ff) & ~by_zero_case_ff; + + assign twos_comp_in[31:0] = ( {32{twos_comp_q_sel}} & q_ff[31:0] ) | + ( {32{twos_comp_b_sel}} & b_ff[31:0] ); + + rvtwoscomp #(32) i_twos_comp (.din(twos_comp_in[31:0]), .dout(twos_comp_out[31:0])); + + + + assign valid_out = finish_ff & ~cancel; + + assign data_out[31:0] = ( {32{~rem_ff & ~twos_comp_q_sel}} & q_ff[31:0] ) | + ( {32{ rem_ff }} & r_ff[31:0] ) | + ( {32{ twos_comp_q_sel}} & twos_comp_out[31:0] ); + + + + + // *** *** *** START : SMALLNUM {{ + + assign smallnum_case = ( (a_ff[31:4] == 28'b0) & (b_ff[31:4] == 28'b0) & ~by_zero_case & ~rem_ff & valid_ff & ~cancel) | + ( (a_ff[31:0] == 32'b0) & ~by_zero_case & ~rem_ff & valid_ff & ~cancel); + + assign smallnum[3] = ( a_ff[3] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ); + + assign smallnum[2] = ( a_ff[3] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[2] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & ~b_ff[2] ); + + assign smallnum[1] = ( a_ff[2] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[1] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & ~b_ff[3] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & ~a_ff[2] & ~b_ff[3] & ~b_ff[2] & b_ff[1] & b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[1] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[2] ); + + assign smallnum[0] = ( a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & a_ff[0] & ~b_ff[3] & b_ff[1] & b_ff[0]) | + ( a_ff[2] & ~b_ff[3] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[1] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[0] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + (~a_ff[3] & a_ff[2] & ~a_ff[1] & ~b_ff[3] & ~b_ff[2] & b_ff[1] & b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & ~b_ff[2] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & ~a_ff[2] & ~b_ff[3] & b_ff[2] & b_ff[1] ) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[2] & ~b_ff[1] ) | + (~a_ff[3] & a_ff[2] & a_ff[0] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & ~a_ff[1] & ~b_ff[3] & b_ff[2] & b_ff[0]) | + ( ~a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & a_ff[1] & ~b_ff[2] & ~b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & b_ff[2] ) | + ( a_ff[3] & a_ff[2] & b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[1] & b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[0] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[1] & ~b_ff[3] & b_ff[2] & b_ff[1] & b_ff[0]) | + ( a_ff[3] & a_ff[2] & a_ff[1] & b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & a_ff[2] & a_ff[1] & b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & a_ff[0] & b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[1] ) | + ( a_ff[3] & a_ff[1] & a_ff[0] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & a_ff[1] & a_ff[0] & b_ff[3] ); + + // *** *** *** END : SMALLNUM }} + + + + + // *** *** *** Start : Short Q {{ + + assign shortq_dividend[32:0] = {dividend_sign_ff,a_ff[31:0]}; + + + logic [5:0] dw_a_enc; + logic [5:0] dw_b_enc; + logic [6:0] dw_shortq_raw; + + + + eb1_exu_div_cls i_a_cls ( + .operand ( shortq_dividend[32:0] ), + .cls ( dw_a_enc[4:0] )); + + eb1_exu_div_cls i_b_cls ( + .operand ( b_ff[32:0] ), + .cls ( dw_b_enc[4:0] )); + + assign dw_a_enc[5] = 1'b0; + assign dw_b_enc[5] = 1'b0; + + + + assign dw_shortq_raw[6:0] = {1'b0,dw_b_enc[5:0]} - {1'b0,dw_a_enc[5:0]} + 7'd1; + assign shortq[5:0] = dw_shortq_raw[6] ? 6'd0 : dw_shortq_raw[5:0]; + + assign shortq_enable = valid_ff & ~shortq[5] & ~(shortq[4:1] == 4'b1111) & ~cancel; + + assign shortq_shift[4:0] = ~shortq_enable ? 5'd0 : (5'b11111 - shortq[4:0]); + + + // *** *** *** End : Short Q }} + + + + + +endmodule // eb1_exu_div_new_1bit_fullshortq + + + + + + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +module eb1_exu_div_new_2bit_fullshortq + ( + input logic clk, // Top level clock + input logic rst_l, // Reset + input logic scan_mode, // Scan mode + + input logic cancel, // Flush pipeline + input logic valid_in, + input logic signed_in, + input logic rem_in, + input logic [31:0] dividend_in, + input logic [31:0] divisor_in, + + output logic valid_out, + output logic [31:0] data_out + ); + + + logic valid_ff_in, valid_ff; + logic finish_raw, finish, finish_ff; + logic running_state; + logic misc_enable; + logic [2:0] control_in, control_ff; + logic dividend_sign_ff, divisor_sign_ff, rem_ff; + logic count_enable; + logic [6:0] count_in, count_ff; + + logic smallnum_case; + logic [3:0] smallnum; + + logic a_enable, a_shift; + logic [31:0] a_in, a_ff; + + logic b_enable, b_twos_comp; + logic [32:0] b_in; + logic [34:0] b_ff; + + logic [31:0] q_in, q_ff; + + logic rq_enable, r_sign_sel, r_restore_sel, r_adder1_sel, r_adder2_sel, r_adder3_sel; + logic [31:0] r_in, r_ff; + + logic twos_comp_q_sel, twos_comp_b_sel; + logic [31:0] twos_comp_in, twos_comp_out; + + logic [3:1] quotient_raw; + logic [1:0] quotient_new; + logic [32:0] adder1_out; + logic [33:0] adder2_out; + logic [34:0] adder3_out; + + logic [63:0] ar_shifted; + logic [5:0] shortq; + logic [4:0] shortq_shift; + logic [4:1] shortq_shift_ff; + logic shortq_enable; + logic shortq_enable_ff; + logic [32:0] shortq_dividend; + + logic by_zero_case; + logic by_zero_case_ff; + + + + rvdffe #(18) i_misc_ff (.*, .clk(clk), .en(misc_enable), .din ({valid_ff_in, control_in[2:0], by_zero_case, shortq_enable, shortq_shift[4:1], finish, count_in[6:0]}), + .dout({valid_ff, control_ff[2:0], by_zero_case_ff, shortq_enable_ff, shortq_shift_ff[4:1], finish_ff, count_ff[6:0]})); + + rvdffe #(32) i_a_ff (.*, .clk(clk), .en(a_enable), .din(a_in[31:0]), .dout(a_ff[31:0])); + rvdffe #(33) i_b_ff (.*, .clk(clk), .en(b_enable), .din(b_in[32:0]), .dout(b_ff[32:0])); + rvdffe #(32) i_r_ff (.*, .clk(clk), .en(rq_enable), .din(r_in[31:0]), .dout(r_ff[31:0])); + rvdffe #(32) i_q_ff (.*, .clk(clk), .en(rq_enable), .din(q_in[31:0]), .dout(q_ff[31:0])); + + + + + assign valid_ff_in = valid_in & ~cancel; + + assign control_in[2] = (~valid_in & control_ff[2]) | (valid_in & signed_in & dividend_in[31]); + assign control_in[1] = (~valid_in & control_ff[1]) | (valid_in & signed_in & divisor_in[31]); + assign control_in[0] = (~valid_in & control_ff[0]) | (valid_in & rem_in); + + assign dividend_sign_ff = control_ff[2]; + assign divisor_sign_ff = control_ff[1]; + assign rem_ff = control_ff[0]; + + + assign by_zero_case = valid_ff & (b_ff[31:0] == 32'b0); + + assign misc_enable = valid_in | valid_ff | cancel | running_state | finish_ff; + assign running_state = (| count_ff[6:0]) | shortq_enable_ff; + assign finish_raw = smallnum_case | + by_zero_case | + (count_ff[6:0] == 7'd32); + + + assign finish = finish_raw & ~cancel; + assign count_enable = (valid_ff | running_state) & ~finish & ~finish_ff & ~cancel & ~shortq_enable; + assign count_in[6:0] = {7{count_enable}} & (count_ff[6:0] + {5'b0,2'b10} + {2'b0,shortq_shift_ff[4:1],1'b0}); + + + assign a_enable = valid_in | running_state; + assign a_shift = running_state & ~shortq_enable_ff; + + assign ar_shifted[63:0] = { {32{dividend_sign_ff}} , a_ff[31:0]} << {shortq_shift_ff[4:1],1'b0}; + + assign a_in[31:0] = ( {32{~a_shift & ~shortq_enable_ff}} & dividend_in[31:0] ) | + ( {32{ a_shift }} & {a_ff[29:0],2'b0} ) | + ( {32{ shortq_enable_ff}} & ar_shifted[31:0] ); + + + + assign b_enable = valid_in | b_twos_comp; + assign b_twos_comp = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + + assign b_in[32:0] = ( {33{~b_twos_comp}} & { (signed_in & divisor_in[31]),divisor_in[31:0] } ) | + ( {33{ b_twos_comp}} & {~divisor_sign_ff,twos_comp_out[31:0] } ); + + + assign rq_enable = valid_in | valid_ff | running_state; + assign r_sign_sel = valid_ff & dividend_sign_ff & ~by_zero_case; + assign r_restore_sel = running_state & (quotient_new[1:0] == 2'b00) & ~shortq_enable_ff; + assign r_adder1_sel = running_state & (quotient_new[1:0] == 2'b01) & ~shortq_enable_ff; + assign r_adder2_sel = running_state & (quotient_new[1:0] == 2'b10) & ~shortq_enable_ff; + assign r_adder3_sel = running_state & (quotient_new[1:0] == 2'b11) & ~shortq_enable_ff; + + + assign r_in[31:0] = ( {32{r_sign_sel }} & 32'hffffffff ) | + ( {32{r_restore_sel }} & {r_ff[29:0] ,a_ff[31:30]} ) | + ( {32{r_adder1_sel }} & adder1_out[31:0] ) | + ( {32{r_adder2_sel }} & adder2_out[31:0] ) | + ( {32{r_adder3_sel }} & adder3_out[31:0] ) | + ( {32{shortq_enable_ff}} & ar_shifted[63:32] ) | + ( {32{by_zero_case }} & a_ff[31:0] ); + + + assign q_in[31:0] = ( {32{~valid_ff }} & {q_ff[29:0], quotient_new[1:0]} ) | + ( {32{ smallnum_case }} & {28'b0 , smallnum[3:0]} ) | + ( {32{ by_zero_case }} & {32{1'b1}} ); + + + assign b_ff[34:33] = {b_ff[32],b_ff[32]}; + + + assign adder1_out[32:0] = { r_ff[30:0],a_ff[31:30]} + b_ff[32:0]; + assign adder2_out[33:0] = { r_ff[31:0],a_ff[31:30]} + {b_ff[32:0],1'b0}; + assign adder3_out[34:0] = {r_ff[31],r_ff[31:0],a_ff[31:30]} + {b_ff[33:0],1'b0} + b_ff[34:0]; + + + assign quotient_raw[1] = (~adder1_out[32] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder1_out[32:0] == 33'b0) ); + assign quotient_raw[2] = (~adder2_out[33] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder2_out[33:0] == 34'b0) ); + assign quotient_raw[3] = (~adder3_out[34] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder3_out[34:0] == 35'b0) ); + + assign quotient_new[1] = quotient_raw[3] | quotient_raw[2]; + assign quotient_new[0] = quotient_raw[3] |(~quotient_raw[2] & quotient_raw[1]); + + + assign twos_comp_b_sel = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign twos_comp_q_sel = ~valid_ff & ~rem_ff & (dividend_sign_ff ^ divisor_sign_ff) & ~by_zero_case_ff; + + assign twos_comp_in[31:0] = ( {32{twos_comp_q_sel}} & q_ff[31:0] ) | + ( {32{twos_comp_b_sel}} & b_ff[31:0] ); + + rvtwoscomp #(32) i_twos_comp (.din(twos_comp_in[31:0]), .dout(twos_comp_out[31:0])); + + + + assign valid_out = finish_ff & ~cancel; + + assign data_out[31:0] = ( {32{~rem_ff & ~twos_comp_q_sel}} & q_ff[31:0] ) | + ( {32{ rem_ff }} & r_ff[31:0] ) | + ( {32{ twos_comp_q_sel}} & twos_comp_out[31:0] ); + + + + + // *** *** *** START : SMALLNUM {{ + + assign smallnum_case = ( (a_ff[31:4] == 28'b0) & (b_ff[31:4] == 28'b0) & ~by_zero_case & ~rem_ff & valid_ff & ~cancel) | + ( (a_ff[31:0] == 32'b0) & ~by_zero_case & ~rem_ff & valid_ff & ~cancel); + + assign smallnum[3] = ( a_ff[3] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ); + + assign smallnum[2] = ( a_ff[3] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[2] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & ~b_ff[2] ); + + assign smallnum[1] = ( a_ff[2] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[1] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & ~b_ff[3] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & ~a_ff[2] & ~b_ff[3] & ~b_ff[2] & b_ff[1] & b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[1] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[2] ); + + assign smallnum[0] = ( a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & a_ff[0] & ~b_ff[3] & b_ff[1] & b_ff[0]) | + ( a_ff[2] & ~b_ff[3] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[1] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[0] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + (~a_ff[3] & a_ff[2] & ~a_ff[1] & ~b_ff[3] & ~b_ff[2] & b_ff[1] & b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & ~b_ff[2] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & ~a_ff[2] & ~b_ff[3] & b_ff[2] & b_ff[1] ) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[2] & ~b_ff[1] ) | + (~a_ff[3] & a_ff[2] & a_ff[0] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & ~a_ff[1] & ~b_ff[3] & b_ff[2] & b_ff[0]) | + ( ~a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & a_ff[1] & ~b_ff[2] & ~b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & b_ff[2] ) | + ( a_ff[3] & a_ff[2] & b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[1] & b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[0] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[1] & ~b_ff[3] & b_ff[2] & b_ff[1] & b_ff[0]) | + ( a_ff[3] & a_ff[2] & a_ff[1] & b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & a_ff[2] & a_ff[1] & b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & a_ff[0] & b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[1] ) | + ( a_ff[3] & a_ff[1] & a_ff[0] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & a_ff[1] & a_ff[0] & b_ff[3] ); + + // *** *** *** END : SMALLNUM }} + + + + + // *** *** *** Start : Short Q {{ + + assign shortq_dividend[32:0] = {dividend_sign_ff,a_ff[31:0]}; + + + logic [5:0] dw_a_enc; + logic [5:0] dw_b_enc; + logic [6:0] dw_shortq_raw; + + + + eb1_exu_div_cls i_a_cls ( + .operand ( shortq_dividend[32:0] ), + .cls ( dw_a_enc[4:0] )); + + eb1_exu_div_cls i_b_cls ( + .operand ( b_ff[32:0] ), + .cls ( dw_b_enc[4:0] )); + + assign dw_a_enc[5] = 1'b0; + assign dw_b_enc[5] = 1'b0; + + + + assign dw_shortq_raw[6:0] = {1'b0,dw_b_enc[5:0]} - {1'b0,dw_a_enc[5:0]} + 7'd1; + assign shortq[5:0] = dw_shortq_raw[6] ? 6'd0 : dw_shortq_raw[5:0]; + + assign shortq_enable = valid_ff & ~shortq[5] & ~(shortq[4:1] == 4'b1111) & ~cancel; + + assign shortq_shift[4:0] = ~shortq_enable ? 5'd0 : (5'b11111 - shortq[4:0]); // [0] is unused + + + // *** *** *** End : Short Q }} + + + + + +endmodule // eb1_exu_div_new_2bit_fullshortq + + + + + + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +module eb1_exu_div_new_3bit_fullshortq + ( + input logic clk, // Top level clock + input logic rst_l, // Reset + input logic scan_mode, // Scan mode + + input logic cancel, // Flush pipeline + input logic valid_in, + input logic signed_in, + input logic rem_in, + input logic [31:0] dividend_in, + input logic [31:0] divisor_in, + + output logic valid_out, + output logic [31:0] data_out + ); + + + logic valid_ff_in, valid_ff; + logic finish_raw, finish, finish_ff; + logic running_state; + logic misc_enable; + logic [2:0] control_in, control_ff; + logic dividend_sign_ff, divisor_sign_ff, rem_ff; + logic count_enable; + logic [6:0] count_in, count_ff; + + logic smallnum_case; + logic [3:0] smallnum; + + logic a_enable, a_shift; + logic [32:0] a_in, a_ff; + + logic b_enable, b_twos_comp; + logic [32:0] b_in; + logic [36:0] b_ff; + + logic [31:0] q_in, q_ff; + + logic rq_enable; + logic r_sign_sel; + logic r_restore_sel; + logic r_adder1_sel, r_adder2_sel, r_adder3_sel, r_adder4_sel, r_adder5_sel, r_adder6_sel, r_adder7_sel; + logic [32:0] r_in, r_ff; + + logic twos_comp_q_sel, twos_comp_b_sel; + logic [31:0] twos_comp_in, twos_comp_out; + + logic [7:1] quotient_raw; + logic [2:0] quotient_new; + logic [33:0] adder1_out; + logic [34:0] adder2_out; + logic [35:0] adder3_out; + logic [36:0] adder4_out; + logic [36:0] adder5_out; + logic [36:0] adder6_out; + logic [36:0] adder7_out; + + logic [65:0] ar_shifted; + logic [5:0] shortq; + logic [4:0] shortq_shift; + logic [4:0] shortq_decode; + logic [4:0] shortq_shift_ff; + logic shortq_enable; + logic shortq_enable_ff; + logic [32:0] shortq_dividend; + + logic by_zero_case; + logic by_zero_case_ff; + + + + rvdffe #(19) i_misc_ff (.*, .clk(clk), .en(misc_enable), .din ({valid_ff_in, control_in[2:0], by_zero_case, shortq_enable, shortq_shift[4:0], finish, count_in[6:0]}), + .dout({valid_ff, control_ff[2:0], by_zero_case_ff, shortq_enable_ff, shortq_shift_ff[4:0], finish_ff, count_ff[6:0]})); + + rvdffe #(33) i_a_ff (.*, .clk(clk), .en(a_enable), .din(a_in[32:0]), .dout(a_ff[32:0])); + rvdffe #(33) i_b_ff (.*, .clk(clk), .en(b_enable), .din(b_in[32:0]), .dout(b_ff[32:0])); + rvdffe #(33) i_r_ff (.*, .clk(clk), .en(rq_enable), .din(r_in[32:0]), .dout(r_ff[32:0])); + rvdffe #(32) i_q_ff (.*, .clk(clk), .en(rq_enable), .din(q_in[31:0]), .dout(q_ff[31:0])); + + + + + assign valid_ff_in = valid_in & ~cancel; + + assign control_in[2] = (~valid_in & control_ff[2]) | (valid_in & signed_in & dividend_in[31]); + assign control_in[1] = (~valid_in & control_ff[1]) | (valid_in & signed_in & divisor_in[31]); + assign control_in[0] = (~valid_in & control_ff[0]) | (valid_in & rem_in); + + assign dividend_sign_ff = control_ff[2]; + assign divisor_sign_ff = control_ff[1]; + assign rem_ff = control_ff[0]; + + + assign by_zero_case = valid_ff & (b_ff[31:0] == 32'b0); + + assign misc_enable = valid_in | valid_ff | cancel | running_state | finish_ff; + assign running_state = (| count_ff[6:0]) | shortq_enable_ff; + assign finish_raw = smallnum_case | + by_zero_case | + (count_ff[6:0] == 7'd33); + + + assign finish = finish_raw & ~cancel; + assign count_enable = (valid_ff | running_state) & ~finish & ~finish_ff & ~cancel & ~shortq_enable; + assign count_in[6:0] = {7{count_enable}} & (count_ff[6:0] + {5'b0,2'b11} + {2'b0,shortq_shift_ff[4:0]}); + + + assign a_enable = valid_in | running_state; + assign a_shift = running_state & ~shortq_enable_ff; + + assign ar_shifted[65:0] = { {33{dividend_sign_ff}} , a_ff[32:0]} << {shortq_shift_ff[4:0]}; + + assign a_in[32:0] = ( {33{~a_shift & ~shortq_enable_ff}} & {signed_in & dividend_in[31],dividend_in[31:0]} ) | + ( {33{ a_shift }} & {a_ff[29:0],3'b0} ) | + ( {33{ shortq_enable_ff}} & ar_shifted[32:0] ); + + + + assign b_enable = valid_in | b_twos_comp; + assign b_twos_comp = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + + assign b_in[32:0] = ( {33{~b_twos_comp}} & { (signed_in & divisor_in[31]),divisor_in[31:0] } ) | + ( {33{ b_twos_comp}} & {~divisor_sign_ff,twos_comp_out[31:0] } ); + + + assign rq_enable = valid_in | valid_ff | running_state; + assign r_sign_sel = valid_ff & dividend_sign_ff & ~by_zero_case; + assign r_restore_sel = running_state & (quotient_new[2:0] == 3'b000) & ~shortq_enable_ff; + assign r_adder1_sel = running_state & (quotient_new[2:0] == 3'b001) & ~shortq_enable_ff; + assign r_adder2_sel = running_state & (quotient_new[2:0] == 3'b010) & ~shortq_enable_ff; + assign r_adder3_sel = running_state & (quotient_new[2:0] == 3'b011) & ~shortq_enable_ff; + assign r_adder4_sel = running_state & (quotient_new[2:0] == 3'b100) & ~shortq_enable_ff; + assign r_adder5_sel = running_state & (quotient_new[2:0] == 3'b101) & ~shortq_enable_ff; + assign r_adder6_sel = running_state & (quotient_new[2:0] == 3'b110) & ~shortq_enable_ff; + assign r_adder7_sel = running_state & (quotient_new[2:0] == 3'b111) & ~shortq_enable_ff; + + + assign r_in[32:0] = ( {33{r_sign_sel }} & {33{1'b1}} ) | + ( {33{r_restore_sel }} & {r_ff[29:0] ,a_ff[32:30]} ) | + ( {33{r_adder1_sel }} & adder1_out[32:0] ) | + ( {33{r_adder2_sel }} & adder2_out[32:0] ) | + ( {33{r_adder3_sel }} & adder3_out[32:0] ) | + ( {33{r_adder4_sel }} & adder4_out[32:0] ) | + ( {33{r_adder5_sel }} & adder5_out[32:0] ) | + ( {33{r_adder6_sel }} & adder6_out[32:0] ) | + ( {33{r_adder7_sel }} & adder7_out[32:0] ) | + ( {33{shortq_enable_ff}} & ar_shifted[65:33] ) | + ( {33{by_zero_case }} & {1'b0,a_ff[31:0]} ); + + + assign q_in[31:0] = ( {32{~valid_ff }} & {q_ff[28:0], quotient_new[2:0]} ) | + ( {32{ smallnum_case}} & {28'b0 , smallnum[3:0]} ) | + ( {32{ by_zero_case }} & {32{1'b1}} ); + + + assign b_ff[36:33] = {b_ff[32],b_ff[32],b_ff[32],b_ff[32]}; + + + assign adder1_out[33:0] = { r_ff[30:0],a_ff[32:30]} + b_ff[33:0]; + assign adder2_out[34:0] = { r_ff[31:0],a_ff[32:30]} + {b_ff[33:0],1'b0}; + assign adder3_out[35:0] = { r_ff[32:0],a_ff[32:30]} + {b_ff[34:0],1'b0} + b_ff[35:0]; + assign adder4_out[36:0] = {r_ff[32],r_ff[32:0],a_ff[32:30]} + {b_ff[34:0],2'b0}; + assign adder5_out[36:0] = {r_ff[32],r_ff[32:0],a_ff[32:30]} + {b_ff[34:0],2'b0} + b_ff[36:0]; + assign adder6_out[36:0] = {r_ff[32],r_ff[32:0],a_ff[32:30]} + {b_ff[34:0],2'b0} + {b_ff[35:0],1'b0}; + assign adder7_out[36:0] = {r_ff[32],r_ff[32:0],a_ff[32:30]} + {b_ff[34:0],2'b0} + {b_ff[35:0],1'b0} + b_ff[36:0]; + + assign quotient_raw[1] = (~adder1_out[33] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder1_out[33:0] == 34'b0) ); + assign quotient_raw[2] = (~adder2_out[34] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder2_out[34:0] == 35'b0) ); + assign quotient_raw[3] = (~adder3_out[35] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder3_out[35:0] == 36'b0) ); + assign quotient_raw[4] = (~adder4_out[36] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder4_out[36:0] == 37'b0) ); + assign quotient_raw[5] = (~adder5_out[36] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder5_out[36:0] == 37'b0) ); + assign quotient_raw[6] = (~adder6_out[36] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder6_out[36:0] == 37'b0) ); + assign quotient_raw[7] = (~adder7_out[36] ^ dividend_sign_ff) | ( (a_ff[29:0] == 30'b0) & (adder7_out[36:0] == 37'b0) ); + + assign quotient_new[2] = quotient_raw[7] | quotient_raw[6] | quotient_raw[5] | quotient_raw[4]; + assign quotient_new[1] = quotient_raw[7] | quotient_raw[6] | (~quotient_raw[4] & quotient_raw[3]) | (~quotient_raw[3] & quotient_raw[2]); + assign quotient_new[0] = quotient_raw[7] | (~quotient_raw[6] & quotient_raw[5]) | (~quotient_raw[4] & quotient_raw[3]) | (~quotient_raw[2] & quotient_raw[1]); + + + assign twos_comp_b_sel = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign twos_comp_q_sel = ~valid_ff & ~rem_ff & (dividend_sign_ff ^ divisor_sign_ff) & ~by_zero_case_ff; + + assign twos_comp_in[31:0] = ( {32{twos_comp_q_sel}} & q_ff[31:0] ) | + ( {32{twos_comp_b_sel}} & b_ff[31:0] ); + + rvtwoscomp #(32) i_twos_comp (.din(twos_comp_in[31:0]), .dout(twos_comp_out[31:0])); + + + + assign valid_out = finish_ff & ~cancel; + + assign data_out[31:0] = ( {32{~rem_ff & ~twos_comp_q_sel}} & q_ff[31:0] ) | + ( {32{ rem_ff }} & r_ff[31:0] ) | + ( {32{ twos_comp_q_sel}} & twos_comp_out[31:0] ); + + + + + // *** *** *** START : SMALLNUM {{ + + assign smallnum_case = ( (a_ff[31:4] == 28'b0) & (b_ff[31:4] == 28'b0) & ~by_zero_case & ~rem_ff & valid_ff & ~cancel) | + ( (a_ff[31:0] == 32'b0) & ~by_zero_case & ~rem_ff & valid_ff & ~cancel); + + assign smallnum[3] = ( a_ff[3] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ); + + assign smallnum[2] = ( a_ff[3] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[2] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & ~b_ff[2] ); + + assign smallnum[1] = ( a_ff[2] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[1] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & ~b_ff[3] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & ~a_ff[2] & ~b_ff[3] & ~b_ff[2] & b_ff[1] & b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[1] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[2] ); + + assign smallnum[0] = ( a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & a_ff[0] & ~b_ff[3] & b_ff[1] & b_ff[0]) | + ( a_ff[2] & ~b_ff[3] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[1] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[0] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + (~a_ff[3] & a_ff[2] & ~a_ff[1] & ~b_ff[3] & ~b_ff[2] & b_ff[1] & b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & ~b_ff[2] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & ~a_ff[2] & ~b_ff[3] & b_ff[2] & b_ff[1] ) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[2] & ~b_ff[1] ) | + (~a_ff[3] & a_ff[2] & a_ff[0] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & ~a_ff[1] & ~b_ff[3] & b_ff[2] & b_ff[0]) | + ( ~a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & a_ff[1] & ~b_ff[2] & ~b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & b_ff[2] ) | + ( a_ff[3] & a_ff[2] & b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[1] & b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[0] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[1] & ~b_ff[3] & b_ff[2] & b_ff[1] & b_ff[0]) | + ( a_ff[3] & a_ff[2] & a_ff[1] & b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & a_ff[2] & a_ff[1] & b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & a_ff[0] & b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[1] ) | + ( a_ff[3] & a_ff[1] & a_ff[0] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & a_ff[1] & a_ff[0] & b_ff[3] ); + + // *** *** *** END : SMALLNUM }} + + + + + // *** *** *** Start : Short Q {{ + + assign shortq_dividend[32:0] = {dividend_sign_ff,a_ff[31:0]}; + + + logic [5:0] dw_a_enc; + logic [5:0] dw_b_enc; + logic [6:0] dw_shortq_raw; + + + + eb1_exu_div_cls i_a_cls ( + .operand ( shortq_dividend[32:0] ), + .cls ( dw_a_enc[4:0] )); + + eb1_exu_div_cls i_b_cls ( + .operand ( b_ff[32:0] ), + .cls ( dw_b_enc[4:0] )); + + assign dw_a_enc[5] = 1'b0; + assign dw_b_enc[5] = 1'b0; + + + + assign dw_shortq_raw[6:0] = {1'b0,dw_b_enc[5:0]} - {1'b0,dw_a_enc[5:0]} + 7'd1; + assign shortq[5:0] = dw_shortq_raw[6] ? 6'd0 : dw_shortq_raw[5:0]; + + assign shortq_enable = valid_ff & ~shortq[5] & ~(shortq[4:2] == 3'b111) & ~cancel; + + assign shortq_decode[4:0] = ( {5{shortq[4:0] == 5'd31}} & 5'd00) | + ( {5{shortq[4:0] == 5'd30}} & 5'd00) | + ( {5{shortq[4:0] == 5'd29}} & 5'd00) | + ( {5{shortq[4:0] == 5'd28}} & 5'd00) | + ( {5{shortq[4:0] == 5'd27}} & 5'd03) | + ( {5{shortq[4:0] == 5'd26}} & 5'd06) | + ( {5{shortq[4:0] == 5'd25}} & 5'd06) | + ( {5{shortq[4:0] == 5'd24}} & 5'd06) | + ( {5{shortq[4:0] == 5'd23}} & 5'd09) | + ( {5{shortq[4:0] == 5'd22}} & 5'd09) | + ( {5{shortq[4:0] == 5'd21}} & 5'd09) | + ( {5{shortq[4:0] == 5'd20}} & 5'd12) | + ( {5{shortq[4:0] == 5'd19}} & 5'd12) | + ( {5{shortq[4:0] == 5'd18}} & 5'd12) | + ( {5{shortq[4:0] == 5'd17}} & 5'd15) | + ( {5{shortq[4:0] == 5'd16}} & 5'd15) | + ( {5{shortq[4:0] == 5'd15}} & 5'd15) | + ( {5{shortq[4:0] == 5'd14}} & 5'd18) | + ( {5{shortq[4:0] == 5'd13}} & 5'd18) | + ( {5{shortq[4:0] == 5'd12}} & 5'd18) | + ( {5{shortq[4:0] == 5'd11}} & 5'd21) | + ( {5{shortq[4:0] == 5'd10}} & 5'd21) | + ( {5{shortq[4:0] == 5'd09}} & 5'd21) | + ( {5{shortq[4:0] == 5'd08}} & 5'd24) | + ( {5{shortq[4:0] == 5'd07}} & 5'd24) | + ( {5{shortq[4:0] == 5'd06}} & 5'd24) | + ( {5{shortq[4:0] == 5'd05}} & 5'd27) | + ( {5{shortq[4:0] == 5'd04}} & 5'd27) | + ( {5{shortq[4:0] == 5'd03}} & 5'd27) | + ( {5{shortq[4:0] == 5'd02}} & 5'd27) | + ( {5{shortq[4:0] == 5'd01}} & 5'd27) | + ( {5{shortq[4:0] == 5'd00}} & 5'd27); + + + assign shortq_shift[4:0] = ~shortq_enable ? 5'd0 : shortq_decode[4:0]; + + + // *** *** *** End : Short Q }} + + + + + +endmodule // eb1_exu_div_new_3bit_fullshortq + + + + + + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +module eb1_exu_div_new_4bit_fullshortq + ( + input logic clk, // Top level clock + input logic rst_l, // Reset + input logic scan_mode, // Scan mode + + input logic cancel, // Flush pipeline + input logic valid_in, + input logic signed_in, + input logic rem_in, + input logic [31:0] dividend_in, + input logic [31:0] divisor_in, + + output logic valid_out, + output logic [31:0] data_out + ); + + + logic valid_ff_in, valid_ff; + logic finish_raw, finish, finish_ff; + logic running_state; + logic misc_enable; + logic [2:0] control_in, control_ff; + logic dividend_sign_ff, divisor_sign_ff, rem_ff; + logic count_enable; + logic [6:0] count_in, count_ff; + + logic smallnum_case; + logic [3:0] smallnum; + + logic a_enable, a_shift; + logic [31:0] a_in, a_ff; + + logic b_enable, b_twos_comp; + logic [32:0] b_in; + logic [37:0] b_ff; + + logic [31:0] q_in, q_ff; + + logic rq_enable; + logic r_sign_sel; + logic r_restore_sel; + logic r_adder01_sel, r_adder02_sel, r_adder03_sel; + logic r_adder04_sel, r_adder05_sel, r_adder06_sel, r_adder07_sel; + logic r_adder08_sel, r_adder09_sel, r_adder10_sel, r_adder11_sel; + logic r_adder12_sel, r_adder13_sel, r_adder14_sel, r_adder15_sel; + logic [32:0] r_in, r_ff; + + logic twos_comp_q_sel, twos_comp_b_sel; + logic [31:0] twos_comp_in, twos_comp_out; + + logic [15:1] quotient_raw; + logic [3:0] quotient_new; + logic [34:0] adder01_out; + logic [35:0] adder02_out; + logic [36:0] adder03_out; + logic [37:0] adder04_out; + logic [37:0] adder05_out; + logic [37:0] adder06_out; + logic [37:0] adder07_out; + logic [37:0] adder08_out; + logic [37:0] adder09_out; + logic [37:0] adder10_out; + logic [37:0] adder11_out; + logic [37:0] adder12_out; + logic [37:0] adder13_out; + logic [37:0] adder14_out; + logic [37:0] adder15_out; + + logic [64:0] ar_shifted; + logic [5:0] shortq; + logic [4:0] shortq_shift; + logic [4:0] shortq_decode; + logic [4:0] shortq_shift_ff; + logic shortq_enable; + logic shortq_enable_ff; + logic [32:0] shortq_dividend; + + logic by_zero_case; + logic by_zero_case_ff; + + + + rvdffe #(19) i_misc_ff (.*, .clk(clk), .en(misc_enable), .din ({valid_ff_in, control_in[2:0], by_zero_case, shortq_enable, shortq_shift[4:0], finish, count_in[6:0]}), + .dout({valid_ff, control_ff[2:0], by_zero_case_ff, shortq_enable_ff, shortq_shift_ff[4:0], finish_ff, count_ff[6:0]})); + + rvdffe #(32) i_a_ff (.*, .clk(clk), .en(a_enable), .din(a_in[31:0]), .dout(a_ff[31:0])); + rvdffe #(33) i_b_ff (.*, .clk(clk), .en(b_enable), .din(b_in[32:0]), .dout(b_ff[32:0])); + rvdffe #(33) i_r_ff (.*, .clk(clk), .en(rq_enable), .din(r_in[32:0]), .dout(r_ff[32:0])); + rvdffe #(32) i_q_ff (.*, .clk(clk), .en(rq_enable), .din(q_in[31:0]), .dout(q_ff[31:0])); + + + + + assign valid_ff_in = valid_in & ~cancel; + + assign control_in[2] = (~valid_in & control_ff[2]) | (valid_in & signed_in & dividend_in[31]); + assign control_in[1] = (~valid_in & control_ff[1]) | (valid_in & signed_in & divisor_in[31]); + assign control_in[0] = (~valid_in & control_ff[0]) | (valid_in & rem_in); + + assign dividend_sign_ff = control_ff[2]; + assign divisor_sign_ff = control_ff[1]; + assign rem_ff = control_ff[0]; + + + assign by_zero_case = valid_ff & (b_ff[31:0] == 32'b0); + + assign misc_enable = valid_in | valid_ff | cancel | running_state | finish_ff; + assign running_state = (| count_ff[6:0]) | shortq_enable_ff; + assign finish_raw = smallnum_case | + by_zero_case | + (count_ff[6:0] == 7'd32); + + + assign finish = finish_raw & ~cancel; + assign count_enable = (valid_ff | running_state) & ~finish & ~finish_ff & ~cancel & ~shortq_enable; + assign count_in[6:0] = {7{count_enable}} & (count_ff[6:0] + 7'd4 + {2'b0,shortq_shift_ff[4:0]}); + + + assign a_enable = valid_in | running_state; + assign a_shift = running_state & ~shortq_enable_ff; + + assign ar_shifted[64:0] = { {33{dividend_sign_ff}} , a_ff[31:0]} << {shortq_shift_ff[4:0]}; + + assign a_in[31:0] = ( {32{~a_shift & ~shortq_enable_ff}} & dividend_in[31:0] ) | + ( {32{ a_shift }} & {a_ff[27:0],4'b0} ) | + ( {32{ shortq_enable_ff}} & ar_shifted[31:0] ); + + + + assign b_enable = valid_in | b_twos_comp; + assign b_twos_comp = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + + assign b_in[32:0] = ( {33{~b_twos_comp}} & { (signed_in & divisor_in[31]),divisor_in[31:0] } ) | + ( {33{ b_twos_comp}} & {~divisor_sign_ff,twos_comp_out[31:0] } ); + + + assign rq_enable = valid_in | valid_ff | running_state; + assign r_sign_sel = valid_ff & dividend_sign_ff & ~by_zero_case; + assign r_restore_sel = running_state & (quotient_new[3:0] == 4'd00) & ~shortq_enable_ff; + assign r_adder01_sel = running_state & (quotient_new[3:0] == 4'd01) & ~shortq_enable_ff; + assign r_adder02_sel = running_state & (quotient_new[3:0] == 4'd02) & ~shortq_enable_ff; + assign r_adder03_sel = running_state & (quotient_new[3:0] == 4'd03) & ~shortq_enable_ff; + assign r_adder04_sel = running_state & (quotient_new[3:0] == 4'd04) & ~shortq_enable_ff; + assign r_adder05_sel = running_state & (quotient_new[3:0] == 4'd05) & ~shortq_enable_ff; + assign r_adder06_sel = running_state & (quotient_new[3:0] == 4'd06) & ~shortq_enable_ff; + assign r_adder07_sel = running_state & (quotient_new[3:0] == 4'd07) & ~shortq_enable_ff; + assign r_adder08_sel = running_state & (quotient_new[3:0] == 4'd08) & ~shortq_enable_ff; + assign r_adder09_sel = running_state & (quotient_new[3:0] == 4'd09) & ~shortq_enable_ff; + assign r_adder10_sel = running_state & (quotient_new[3:0] == 4'd10) & ~shortq_enable_ff; + assign r_adder11_sel = running_state & (quotient_new[3:0] == 4'd11) & ~shortq_enable_ff; + assign r_adder12_sel = running_state & (quotient_new[3:0] == 4'd12) & ~shortq_enable_ff; + assign r_adder13_sel = running_state & (quotient_new[3:0] == 4'd13) & ~shortq_enable_ff; + assign r_adder14_sel = running_state & (quotient_new[3:0] == 4'd14) & ~shortq_enable_ff; + assign r_adder15_sel = running_state & (quotient_new[3:0] == 4'd15) & ~shortq_enable_ff; + + assign r_in[32:0] = ( {33{r_sign_sel }} & {33{1'b1}} ) | + ( {33{r_restore_sel }} & {r_ff[28:0],a_ff[31:28]} ) | + ( {33{r_adder01_sel }} & adder01_out[32:0] ) | + ( {33{r_adder02_sel }} & adder02_out[32:0] ) | + ( {33{r_adder03_sel }} & adder03_out[32:0] ) | + ( {33{r_adder04_sel }} & adder04_out[32:0] ) | + ( {33{r_adder05_sel }} & adder05_out[32:0] ) | + ( {33{r_adder06_sel }} & adder06_out[32:0] ) | + ( {33{r_adder07_sel }} & adder07_out[32:0] ) | + ( {33{r_adder08_sel }} & adder08_out[32:0] ) | + ( {33{r_adder09_sel }} & adder09_out[32:0] ) | + ( {33{r_adder10_sel }} & adder10_out[32:0] ) | + ( {33{r_adder11_sel }} & adder11_out[32:0] ) | + ( {33{r_adder12_sel }} & adder12_out[32:0] ) | + ( {33{r_adder13_sel }} & adder13_out[32:0] ) | + ( {33{r_adder14_sel }} & adder14_out[32:0] ) | + ( {33{r_adder15_sel }} & adder15_out[32:0] ) | + ( {33{shortq_enable_ff}} & ar_shifted[64:32] ) | + ( {33{by_zero_case }} & {1'b0,a_ff[31:0]} ); + + + assign q_in[31:0] = ( {32{~valid_ff }} & {q_ff[27:0], quotient_new[3:0]} ) | + ( {32{ smallnum_case}} & {28'b0 , smallnum[3:0]} ) | + ( {32{ by_zero_case }} & {32{1'b1}} ); + + + assign b_ff[37:33] = {b_ff[32],b_ff[32],b_ff[32],b_ff[32],b_ff[32]}; + + + assign adder01_out[34:0] = { r_ff[30:0],a_ff[31:28]} + b_ff[34:0]; + assign adder02_out[35:0] = { r_ff[31:0],a_ff[31:28]} + {b_ff[34:0],1'b0}; + assign adder03_out[36:0] = { r_ff[32:0],a_ff[31:28]} + {b_ff[35:0],1'b0} + b_ff[36:0]; + assign adder04_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[35:0],2'b0}; + assign adder05_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[35:0],2'b0} + b_ff[37:0]; + assign adder06_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[35:0],2'b0} + {b_ff[36:0],1'b0}; + assign adder07_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[35:0],2'b0} + {b_ff[36:0],1'b0} + b_ff[37:0]; + assign adder08_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[34:0],3'b0}; + assign adder09_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[34:0],3'b0} + b_ff[37:0]; + assign adder10_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[34:0],3'b0} + {b_ff[36:0],1'b0}; + assign adder11_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[34:0],3'b0} + {b_ff[36:0],1'b0} + b_ff[37:0]; + assign adder12_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[34:0],3'b0} + {b_ff[35:0],2'b0}; + assign adder13_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[34:0],3'b0} + {b_ff[35:0],2'b0} + b_ff[37:0]; + assign adder14_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[34:0],3'b0} + {b_ff[35:0],2'b0} + {b_ff[36:0],1'b0}; + assign adder15_out[37:0] = {r_ff[32],r_ff[32:0],a_ff[31:28]} + {b_ff[34:0],3'b0} + {b_ff[35:0],2'b0} + {b_ff[36:0],1'b0} + b_ff[37:0]; + + assign quotient_raw[01] = (~adder01_out[34] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder01_out[34:0] == 35'b0) ); + assign quotient_raw[02] = (~adder02_out[35] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder02_out[35:0] == 36'b0) ); + assign quotient_raw[03] = (~adder03_out[36] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder03_out[36:0] == 37'b0) ); + assign quotient_raw[04] = (~adder04_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder04_out[37:0] == 38'b0) ); + assign quotient_raw[05] = (~adder05_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder05_out[37:0] == 38'b0) ); + assign quotient_raw[06] = (~adder06_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder06_out[37:0] == 38'b0) ); + assign quotient_raw[07] = (~adder07_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder07_out[37:0] == 38'b0) ); + assign quotient_raw[08] = (~adder08_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder08_out[37:0] == 38'b0) ); + assign quotient_raw[09] = (~adder09_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder09_out[37:0] == 38'b0) ); + assign quotient_raw[10] = (~adder10_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder10_out[37:0] == 38'b0) ); + assign quotient_raw[11] = (~adder11_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder11_out[37:0] == 38'b0) ); + assign quotient_raw[12] = (~adder12_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder12_out[37:0] == 38'b0) ); + assign quotient_raw[13] = (~adder13_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder13_out[37:0] == 38'b0) ); + assign quotient_raw[14] = (~adder14_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder14_out[37:0] == 38'b0) ); + assign quotient_raw[15] = (~adder15_out[37] ^ dividend_sign_ff) | ( (a_ff[27:0] == 28'b0) & (adder15_out[37:0] == 38'b0) ); + + + assign quotient_new[0] = ( quotient_raw[15:01] == 15'b000_0000_0000_0001 ) | // 1 + ( quotient_raw[15:03] == 13'b000_0000_0000_01 ) | // 3 + ( quotient_raw[15:05] == 11'b000_0000_0001 ) | // 5 + ( quotient_raw[15:07] == 9'b000_0000_01 ) | // 7 + ( quotient_raw[15:09] == 7'b000_0001 ) | // 9 + ( quotient_raw[15:11] == 5'b000_01 ) | // 11 + ( quotient_raw[15:13] == 3'b001 ) | // 13 + ( quotient_raw[ 15] == 1'b1 ); // 15 + + assign quotient_new[1] = ( quotient_raw[15:02] == 14'b000_0000_0000_001 ) | // 2 + ( quotient_raw[15:03] == 13'b000_0000_0000_01 ) | // 3 + ( quotient_raw[15:06] == 10'b000_0000_001 ) | // 6 + ( quotient_raw[15:07] == 9'b000_0000_01 ) | // 7 + ( quotient_raw[15:10] == 6'b000_001 ) | // 10 + ( quotient_raw[15:11] == 5'b000_01 ) | // 11 + ( quotient_raw[15:14] == 2'b01 ) | // 14 + ( quotient_raw[ 15] == 1'b1 ); // 15 + + assign quotient_new[2] = ( quotient_raw[15:04] == 12'b000_0000_0000_1 ) | // 4 + ( quotient_raw[15:05] == 11'b000_0000_0001 ) | // 5 + ( quotient_raw[15:06] == 10'b000_0000_001 ) | // 6 + ( quotient_raw[15:07] == 9'b000_0000_01 ) | // 7 + ( quotient_raw[15:12] == 4'b000_1 ) | // 12 + ( quotient_raw[15:13] == 3'b001 ) | // 13 + ( quotient_raw[15:14] == 2'b01 ) | // 14 + ( quotient_raw[ 15] == 1'b1 ); // 15 + + assign quotient_new[3] = ( quotient_raw[15:08] == 8'b000_0000_1 ) | // 8 + ( quotient_raw[15:09] == 7'b000_0001 ) | // 9 + ( quotient_raw[15:10] == 6'b000_001 ) | // 10 + ( quotient_raw[15:11] == 5'b000_01 ) | // 11 + ( quotient_raw[15:12] == 4'b000_1 ) | // 12 + ( quotient_raw[15:13] == 3'b001 ) | // 13 + ( quotient_raw[15:14] == 2'b01 ) | // 14 + ( quotient_raw[ 15] == 1'b1 ); // 15 + + + assign twos_comp_b_sel = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign twos_comp_q_sel = ~valid_ff & ~rem_ff & (dividend_sign_ff ^ divisor_sign_ff) & ~by_zero_case_ff; + + assign twos_comp_in[31:0] = ( {32{twos_comp_q_sel}} & q_ff[31:0] ) | + ( {32{twos_comp_b_sel}} & b_ff[31:0] ); + + rvtwoscomp #(32) i_twos_comp (.din(twos_comp_in[31:0]), .dout(twos_comp_out[31:0])); + + + + assign valid_out = finish_ff & ~cancel; + + assign data_out[31:0] = ( {32{~rem_ff & ~twos_comp_q_sel}} & q_ff[31:0] ) | + ( {32{ rem_ff }} & r_ff[31:0] ) | + ( {32{ twos_comp_q_sel}} & twos_comp_out[31:0] ); + + + + + // *** *** *** START : SMALLNUM {{ + + assign smallnum_case = ( (a_ff[31:4] == 28'b0) & (b_ff[31:4] == 28'b0) & ~by_zero_case & ~rem_ff & valid_ff & ~cancel) | + ( (a_ff[31:0] == 32'b0) & ~by_zero_case & ~rem_ff & valid_ff & ~cancel); + + assign smallnum[3] = ( a_ff[3] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ); + + assign smallnum[2] = ( a_ff[3] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[2] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & ~b_ff[2] ); + + assign smallnum[1] = ( a_ff[2] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[1] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & ~b_ff[3] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & ~a_ff[2] & ~b_ff[3] & ~b_ff[2] & b_ff[1] & b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & a_ff[2] & ~b_ff[3] & b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[1] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[2] ); + + assign smallnum[0] = ( a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & a_ff[0] & ~b_ff[3] & b_ff[1] & b_ff[0]) | + ( a_ff[2] & ~b_ff[3] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[1] & ~b_ff[3] & ~b_ff[2] & ~b_ff[0]) | + ( a_ff[0] & ~b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + (~a_ff[3] & a_ff[2] & ~a_ff[1] & ~b_ff[3] & ~b_ff[2] & b_ff[1] & b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & ~b_ff[2] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & ~a_ff[2] & ~b_ff[3] & b_ff[2] & b_ff[1] ) | + (~a_ff[3] & a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[2] & ~b_ff[1] ) | + (~a_ff[3] & a_ff[2] & a_ff[0] & ~b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & ~a_ff[1] & ~b_ff[3] & b_ff[2] & b_ff[0]) | + ( ~a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & ~b_ff[1] & ~b_ff[0]) | + ( a_ff[3] & a_ff[1] & ~b_ff[2] & ~b_ff[0]) | + (~a_ff[3] & a_ff[2] & a_ff[1] & a_ff[0] & ~b_ff[3] & b_ff[2] ) | + ( a_ff[3] & a_ff[2] & b_ff[3] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[1] & b_ff[3] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[0] & ~b_ff[2] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[1] & ~b_ff[3] & b_ff[2] & b_ff[1] & b_ff[0]) | + ( a_ff[3] & a_ff[2] & a_ff[1] & b_ff[3] & ~b_ff[0]) | + ( a_ff[3] & a_ff[2] & a_ff[1] & b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & a_ff[2] & a_ff[0] & b_ff[3] & ~b_ff[1] ) | + ( a_ff[3] & ~a_ff[2] & a_ff[1] & ~b_ff[3] & b_ff[1] ) | + ( a_ff[3] & a_ff[1] & a_ff[0] & ~b_ff[2] ) | + ( a_ff[3] & a_ff[2] & a_ff[1] & a_ff[0] & b_ff[3] ); + + // *** *** *** END : SMALLNUM }} + + + + + // *** *** *** Start : Short Q {{ + + assign shortq_dividend[32:0] = {dividend_sign_ff,a_ff[31:0]}; + + + logic [5:0] dw_a_enc; + logic [5:0] dw_b_enc; + logic [6:0] dw_shortq_raw; + + + + eb1_exu_div_cls i_a_cls ( + .operand ( shortq_dividend[32:0] ), + .cls ( dw_a_enc[4:0] )); + + eb1_exu_div_cls i_b_cls ( + .operand ( b_ff[32:0] ), + .cls ( dw_b_enc[4:0] )); + + assign dw_a_enc[5] = 1'b0; + assign dw_b_enc[5] = 1'b0; + + + assign dw_shortq_raw[6:0] = {1'b0,dw_b_enc[5:0]} - {1'b0,dw_a_enc[5:0]} + 7'd1; + assign shortq[5:0] = dw_shortq_raw[6] ? 6'd0 : dw_shortq_raw[5:0]; + + assign shortq_enable = valid_ff & ~shortq[5] & ~(shortq[4:2] == 3'b111) & ~cancel; + + assign shortq_decode[4:0] = ( {5{shortq[4:0] == 5'd31}} & 5'd00) | + ( {5{shortq[4:0] == 5'd30}} & 5'd00) | + ( {5{shortq[4:0] == 5'd29}} & 5'd00) | + ( {5{shortq[4:0] == 5'd28}} & 5'd00) | + ( {5{shortq[4:0] == 5'd27}} & 5'd04) | + ( {5{shortq[4:0] == 5'd26}} & 5'd04) | + ( {5{shortq[4:0] == 5'd25}} & 5'd04) | + ( {5{shortq[4:0] == 5'd24}} & 5'd04) | + ( {5{shortq[4:0] == 5'd23}} & 5'd08) | + ( {5{shortq[4:0] == 5'd22}} & 5'd08) | + ( {5{shortq[4:0] == 5'd21}} & 5'd08) | + ( {5{shortq[4:0] == 5'd20}} & 5'd08) | + ( {5{shortq[4:0] == 5'd19}} & 5'd12) | + ( {5{shortq[4:0] == 5'd18}} & 5'd12) | + ( {5{shortq[4:0] == 5'd17}} & 5'd12) | + ( {5{shortq[4:0] == 5'd16}} & 5'd12) | + ( {5{shortq[4:0] == 5'd15}} & 5'd16) | + ( {5{shortq[4:0] == 5'd14}} & 5'd16) | + ( {5{shortq[4:0] == 5'd13}} & 5'd16) | + ( {5{shortq[4:0] == 5'd12}} & 5'd16) | + ( {5{shortq[4:0] == 5'd11}} & 5'd20) | + ( {5{shortq[4:0] == 5'd10}} & 5'd20) | + ( {5{shortq[4:0] == 5'd09}} & 5'd20) | + ( {5{shortq[4:0] == 5'd08}} & 5'd20) | + ( {5{shortq[4:0] == 5'd07}} & 5'd24) | + ( {5{shortq[4:0] == 5'd06}} & 5'd24) | + ( {5{shortq[4:0] == 5'd05}} & 5'd24) | + ( {5{shortq[4:0] == 5'd04}} & 5'd24) | + ( {5{shortq[4:0] == 5'd03}} & 5'd28) | + ( {5{shortq[4:0] == 5'd02}} & 5'd28) | + ( {5{shortq[4:0] == 5'd01}} & 5'd28) | + ( {5{shortq[4:0] == 5'd00}} & 5'd28); + + + assign shortq_shift[4:0] = ~shortq_enable ? 5'd0 : shortq_decode[4:0]; + + + // *** *** *** End : Short Q }} + + + + + +endmodule // eb1_exu_div_new_4bit_fullshortq + + + + + + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + +module eb1_exu_div_cls + ( + input logic [32:0] operand, + + output logic [4:0] cls // Count leading sign bits - "n" format ignoring [32] + ); + + + logic [4:0] cls_zeros; + logic [4:0] cls_ones; + + +assign cls_zeros[4:0] = ({5{operand[31] == { 1'b1} }} & 5'd00) | + ({5{operand[31:30] == {{ 1{1'b0}},1'b1} }} & 5'd01) | + ({5{operand[31:29] == {{ 2{1'b0}},1'b1} }} & 5'd02) | + ({5{operand[31:28] == {{ 3{1'b0}},1'b1} }} & 5'd03) | + ({5{operand[31:27] == {{ 4{1'b0}},1'b1} }} & 5'd04) | + ({5{operand[31:26] == {{ 5{1'b0}},1'b1} }} & 5'd05) | + ({5{operand[31:25] == {{ 6{1'b0}},1'b1} }} & 5'd06) | + ({5{operand[31:24] == {{ 7{1'b0}},1'b1} }} & 5'd07) | + ({5{operand[31:23] == {{ 8{1'b0}},1'b1} }} & 5'd08) | + ({5{operand[31:22] == {{ 9{1'b0}},1'b1} }} & 5'd09) | + ({5{operand[31:21] == {{10{1'b0}},1'b1} }} & 5'd10) | + ({5{operand[31:20] == {{11{1'b0}},1'b1} }} & 5'd11) | + ({5{operand[31:19] == {{12{1'b0}},1'b1} }} & 5'd12) | + ({5{operand[31:18] == {{13{1'b0}},1'b1} }} & 5'd13) | + ({5{operand[31:17] == {{14{1'b0}},1'b1} }} & 5'd14) | + ({5{operand[31:16] == {{15{1'b0}},1'b1} }} & 5'd15) | + ({5{operand[31:15] == {{16{1'b0}},1'b1} }} & 5'd16) | + ({5{operand[31:14] == {{17{1'b0}},1'b1} }} & 5'd17) | + ({5{operand[31:13] == {{18{1'b0}},1'b1} }} & 5'd18) | + ({5{operand[31:12] == {{19{1'b0}},1'b1} }} & 5'd19) | + ({5{operand[31:11] == {{20{1'b0}},1'b1} }} & 5'd20) | + ({5{operand[31:10] == {{21{1'b0}},1'b1} }} & 5'd21) | + ({5{operand[31:09] == {{22{1'b0}},1'b1} }} & 5'd22) | + ({5{operand[31:08] == {{23{1'b0}},1'b1} }} & 5'd23) | + ({5{operand[31:07] == {{24{1'b0}},1'b1} }} & 5'd24) | + ({5{operand[31:06] == {{25{1'b0}},1'b1} }} & 5'd25) | + ({5{operand[31:05] == {{26{1'b0}},1'b1} }} & 5'd26) | + ({5{operand[31:04] == {{27{1'b0}},1'b1} }} & 5'd27) | + ({5{operand[31:03] == {{28{1'b0}},1'b1} }} & 5'd28) | + ({5{operand[31:02] == {{29{1'b0}},1'b1} }} & 5'd29) | + ({5{operand[31:01] == {{30{1'b0}},1'b1} }} & 5'd30) | + ({5{operand[31:00] == {{31{1'b0}},1'b1} }} & 5'd31) | + ({5{operand[31:00] == {{32{1'b0}} } }} & 5'd00); // Don't care case as it will be handled as special case + + +assign cls_ones[4:0] = ({5{operand[31:30] == {{ 1{1'b1}},1'b0} }} & 5'd00) | + ({5{operand[31:29] == {{ 2{1'b1}},1'b0} }} & 5'd01) | + ({5{operand[31:28] == {{ 3{1'b1}},1'b0} }} & 5'd02) | + ({5{operand[31:27] == {{ 4{1'b1}},1'b0} }} & 5'd03) | + ({5{operand[31:26] == {{ 5{1'b1}},1'b0} }} & 5'd04) | + ({5{operand[31:25] == {{ 6{1'b1}},1'b0} }} & 5'd05) | + ({5{operand[31:24] == {{ 7{1'b1}},1'b0} }} & 5'd06) | + ({5{operand[31:23] == {{ 8{1'b1}},1'b0} }} & 5'd07) | + ({5{operand[31:22] == {{ 9{1'b1}},1'b0} }} & 5'd08) | + ({5{operand[31:21] == {{10{1'b1}},1'b0} }} & 5'd09) | + ({5{operand[31:20] == {{11{1'b1}},1'b0} }} & 5'd10) | + ({5{operand[31:19] == {{12{1'b1}},1'b0} }} & 5'd11) | + ({5{operand[31:18] == {{13{1'b1}},1'b0} }} & 5'd12) | + ({5{operand[31:17] == {{14{1'b1}},1'b0} }} & 5'd13) | + ({5{operand[31:16] == {{15{1'b1}},1'b0} }} & 5'd14) | + ({5{operand[31:15] == {{16{1'b1}},1'b0} }} & 5'd15) | + ({5{operand[31:14] == {{17{1'b1}},1'b0} }} & 5'd16) | + ({5{operand[31:13] == {{18{1'b1}},1'b0} }} & 5'd17) | + ({5{operand[31:12] == {{19{1'b1}},1'b0} }} & 5'd18) | + ({5{operand[31:11] == {{20{1'b1}},1'b0} }} & 5'd19) | + ({5{operand[31:10] == {{21{1'b1}},1'b0} }} & 5'd20) | + ({5{operand[31:09] == {{22{1'b1}},1'b0} }} & 5'd21) | + ({5{operand[31:08] == {{23{1'b1}},1'b0} }} & 5'd22) | + ({5{operand[31:07] == {{24{1'b1}},1'b0} }} & 5'd23) | + ({5{operand[31:06] == {{25{1'b1}},1'b0} }} & 5'd24) | + ({5{operand[31:05] == {{26{1'b1}},1'b0} }} & 5'd25) | + ({5{operand[31:04] == {{27{1'b1}},1'b0} }} & 5'd26) | + ({5{operand[31:03] == {{28{1'b1}},1'b0} }} & 5'd27) | + ({5{operand[31:02] == {{29{1'b1}},1'b0} }} & 5'd28) | + ({5{operand[31:01] == {{30{1'b1}},1'b0} }} & 5'd29) | + ({5{operand[31:00] == {{31{1'b1}},1'b0} }} & 5'd30) | + ({5{operand[31:00] == {{32{1'b1}} } }} & 5'd31); + + +assign cls[4:0] = operand[32] ? cls_ones[4:0] : cls_zeros[4:0]; + +endmodule // eb1_exu_div_cls + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + + +module eb1_exu_mul_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, // Top level clock + input logic rst_l, // Reset + input logic scan_mode, // Scan mode + + input eb1_mul_pkt_t mul_p, // {Valid, RS1 signed operand, RS2 signed operand, Select low 32-bits of result} + + input logic [31:0] rs1_in, // A operand + input logic [31:0] rs2_in, // B operand + + + output logic [31:0] result_x // Result + ); + + + logic mul_x_enable; + logic bit_x_enable; + logic signed [32:0] rs1_ext_in; + logic signed [32:0] rs2_ext_in; + logic [65:0] prod_x; + logic low_x; + + + + // *** Start - BitManip *** + + logic bitmanip_sel_d; + logic bitmanip_sel_x; + logic [31:0] bitmanip_d; + logic [31:0] bitmanip_x; + + + + // ZBE + logic ap_bext; + logic ap_bdep; + + // ZBC + logic ap_clmul; + logic ap_clmulh; + logic ap_clmulr; + + // ZBP + logic ap_grev; + logic ap_gorc; + logic ap_shfl; + logic ap_unshfl; + + // ZBR + logic ap_crc32_b; + logic ap_crc32_h; + logic ap_crc32_w; + logic ap_crc32c_b; + logic ap_crc32c_h; + logic ap_crc32c_w; + + // ZBF + logic ap_bfp; + + + if (pt.BITMANIP_ZBE == 1) + begin + assign ap_bext = mul_p.bext; + assign ap_bdep = mul_p.bdep; + end + else + begin + assign ap_bext = 1'b0; + assign ap_bdep = 1'b0; + end + + if (pt.BITMANIP_ZBC == 1) + begin + assign ap_clmul = mul_p.clmul; + assign ap_clmulh = mul_p.clmulh; + assign ap_clmulr = mul_p.clmulr; + end + else + begin + assign ap_clmul = 1'b0; + assign ap_clmulh = 1'b0; + assign ap_clmulr = 1'b0; + end + + if (pt.BITMANIP_ZBP == 1) + begin + assign ap_grev = mul_p.grev; + assign ap_gorc = mul_p.gorc; + assign ap_shfl = mul_p.shfl; + assign ap_unshfl = mul_p.unshfl; + end + else + begin + assign ap_grev = 1'b0; + assign ap_gorc = 1'b0; + assign ap_shfl = 1'b0; + assign ap_unshfl = 1'b0; + end + + if (pt.BITMANIP_ZBR == 1) + begin + assign ap_crc32_b = mul_p.crc32_b; + assign ap_crc32_h = mul_p.crc32_h; + assign ap_crc32_w = mul_p.crc32_w; + assign ap_crc32c_b = mul_p.crc32c_b; + assign ap_crc32c_h = mul_p.crc32c_h; + assign ap_crc32c_w = mul_p.crc32c_w; + end + else + begin + assign ap_crc32_b = 1'b0; + assign ap_crc32_h = 1'b0; + assign ap_crc32_w = 1'b0; + assign ap_crc32c_b = 1'b0; + assign ap_crc32c_h = 1'b0; + assign ap_crc32c_w = 1'b0; + end + + if (pt.BITMANIP_ZBF == 1) + begin + assign ap_bfp = mul_p.bfp; + end + else + begin + assign ap_bfp = 1'b0; + end + + + // *** End - BitManip *** + + + + assign mul_x_enable = mul_p.valid; + assign bit_x_enable = mul_p.valid; + + assign rs1_ext_in[32] = mul_p.rs1_sign & rs1_in[31]; + assign rs2_ext_in[32] = mul_p.rs2_sign & rs2_in[31]; + + assign rs1_ext_in[31:0] = rs1_in[31:0]; + assign rs2_ext_in[31:0] = rs2_in[31:0]; + + + + // --------------------------- Multiply ---------------------------------- + + + logic signed [32:0] rs1_x; + logic signed [32:0] rs2_x; + + rvdffe #(34) i_a_x_ff (.*, .clk(clk), .din({mul_p.low,rs1_ext_in[32:0]}), .dout({low_x,rs1_x[32:0]}), .en(mul_x_enable)); + rvdffe #(33) i_b_x_ff (.*, .clk(clk), .din( rs2_ext_in[32:0] ), .dout( rs2_x[32:0] ), .en(mul_x_enable)); + + + assign prod_x[65:0] = rs1_x * rs2_x; + + + // * * * * * * * * * * * * * * * * * * BitManip : BEXT, BDEP * * * * * * * * * * * * * * * * * * + + + // *** BEXT == "gather" *** + + logic [31:0] bext_d; + logic bext_test_bit_d; + integer bext_i, bext_j; + + + always_comb + begin + + bext_j = 0; + bext_test_bit_d = 1'b0; + bext_d[31:0] = 32'b0; + + for (bext_i=0; bext_i<32; bext_i++) + begin + bext_test_bit_d = rs2_in[bext_i]; + if (bext_test_bit_d) + begin + bext_d[bext_j] = rs1_in[bext_i]; + bext_j = bext_j + 1; + end // IF bext_test_bit + end // FOR bext_i + end // ALWAYS_COMB + + + + // *** BDEP == "scatter" *** + + logic [31:0] bdep_d; + logic bdep_test_bit_d; + integer bdep_i, bdep_j; + + + always_comb + begin + + bdep_j = 0; + bdep_test_bit_d = 1'b0; + bdep_d[31:0] = 32'b0; + + for (bdep_i=0; bdep_i<32; bdep_i++) + begin + bdep_test_bit_d = rs2_in[bdep_i]; + if (bdep_test_bit_d) + begin + bdep_d[bdep_i] = rs1_in[bdep_j]; + bdep_j = bdep_j + 1; + end // IF bdep_test_bit + end // FOR bdep_i + end // ALWAYS_COMB + + + + + // * * * * * * * * * * * * * * * * * * BitManip : CLMUL, CLMULH, CLMULR * * * * * * * * * * * * * + + logic [62:0] clmul_raw_d; + + + assign clmul_raw_d[62:0] = ( {63{rs2_in[00]}} & {31'b0,rs1_in[31:0] } ) ^ + ( {63{rs2_in[01]}} & {30'b0,rs1_in[31:0], 1'b0} ) ^ + ( {63{rs2_in[02]}} & {29'b0,rs1_in[31:0], 2'b0} ) ^ + ( {63{rs2_in[03]}} & {28'b0,rs1_in[31:0], 3'b0} ) ^ + ( {63{rs2_in[04]}} & {27'b0,rs1_in[31:0], 4'b0} ) ^ + ( {63{rs2_in[05]}} & {26'b0,rs1_in[31:0], 5'b0} ) ^ + ( {63{rs2_in[06]}} & {25'b0,rs1_in[31:0], 6'b0} ) ^ + ( {63{rs2_in[07]}} & {24'b0,rs1_in[31:0], 7'b0} ) ^ + ( {63{rs2_in[08]}} & {23'b0,rs1_in[31:0], 8'b0} ) ^ + ( {63{rs2_in[09]}} & {22'b0,rs1_in[31:0], 9'b0} ) ^ + ( {63{rs2_in[10]}} & {21'b0,rs1_in[31:0],10'b0} ) ^ + ( {63{rs2_in[11]}} & {20'b0,rs1_in[31:0],11'b0} ) ^ + ( {63{rs2_in[12]}} & {19'b0,rs1_in[31:0],12'b0} ) ^ + ( {63{rs2_in[13]}} & {18'b0,rs1_in[31:0],13'b0} ) ^ + ( {63{rs2_in[14]}} & {17'b0,rs1_in[31:0],14'b0} ) ^ + ( {63{rs2_in[15]}} & {16'b0,rs1_in[31:0],15'b0} ) ^ + ( {63{rs2_in[16]}} & {15'b0,rs1_in[31:0],16'b0} ) ^ + ( {63{rs2_in[17]}} & {14'b0,rs1_in[31:0],17'b0} ) ^ + ( {63{rs2_in[18]}} & {13'b0,rs1_in[31:0],18'b0} ) ^ + ( {63{rs2_in[19]}} & {12'b0,rs1_in[31:0],19'b0} ) ^ + ( {63{rs2_in[20]}} & {11'b0,rs1_in[31:0],20'b0} ) ^ + ( {63{rs2_in[21]}} & {10'b0,rs1_in[31:0],21'b0} ) ^ + ( {63{rs2_in[22]}} & { 9'b0,rs1_in[31:0],22'b0} ) ^ + ( {63{rs2_in[23]}} & { 8'b0,rs1_in[31:0],23'b0} ) ^ + ( {63{rs2_in[24]}} & { 7'b0,rs1_in[31:0],24'b0} ) ^ + ( {63{rs2_in[25]}} & { 6'b0,rs1_in[31:0],25'b0} ) ^ + ( {63{rs2_in[26]}} & { 5'b0,rs1_in[31:0],26'b0} ) ^ + ( {63{rs2_in[27]}} & { 4'b0,rs1_in[31:0],27'b0} ) ^ + ( {63{rs2_in[28]}} & { 3'b0,rs1_in[31:0],28'b0} ) ^ + ( {63{rs2_in[29]}} & { 2'b0,rs1_in[31:0],29'b0} ) ^ + ( {63{rs2_in[30]}} & { 1'b0,rs1_in[31:0],30'b0} ) ^ + ( {63{rs2_in[31]}} & { rs1_in[31:0],31'b0} ); + + + + + // * * * * * * * * * * * * * * * * * * BitManip : GREV * * * * * * * * * * * * * * * * * * + + // uint32_t grev32(uint32_t rs1, uint32_t rs2) + // { + // uint32_t x = rs1; + // int shamt = rs2 & 31; + // + // if (shamt & 1) x = ( (x & 0x55555555) << 1) | ( (x & 0xAAAAAAAA) >> 1); + // if (shamt & 2) x = ( (x & 0x33333333) << 2) | ( (x & 0xCCCCCCCC) >> 2); + // if (shamt & 4) x = ( (x & 0x0F0F0F0F) << 4) | ( (x & 0xF0F0F0F0) >> 4); + // if (shamt & 8) x = ( (x & 0x00FF00FF) << 8) | ( (x & 0xFF00FF00) >> 8); + // if (shamt & 16) x = ( (x & 0x0000FFFF) << 16) | ( (x & 0xFFFF0000) >> 16); + // + // return x; + // } + + + logic [31:0] grev1_d; + logic [31:0] grev2_d; + logic [31:0] grev4_d; + logic [31:0] grev8_d; + logic [31:0] grev_d; + + + assign grev1_d[31:0] = (rs2_in[0]) ? {rs1_in[30],rs1_in[31],rs1_in[28],rs1_in[29],rs1_in[26],rs1_in[27],rs1_in[24],rs1_in[25], + rs1_in[22],rs1_in[23],rs1_in[20],rs1_in[21],rs1_in[18],rs1_in[19],rs1_in[16],rs1_in[17], + rs1_in[14],rs1_in[15],rs1_in[12],rs1_in[13],rs1_in[10],rs1_in[11],rs1_in[08],rs1_in[09], + rs1_in[06],rs1_in[07],rs1_in[04],rs1_in[05],rs1_in[02],rs1_in[03],rs1_in[00],rs1_in[01]} : rs1_in[31:0]; + + assign grev2_d[31:0] = (rs2_in[1]) ? {grev1_d[29:28],grev1_d[31:30],grev1_d[25:24],grev1_d[27:26], + grev1_d[21:20],grev1_d[23:22],grev1_d[17:16],grev1_d[19:18], + grev1_d[13:12],grev1_d[15:14],grev1_d[09:08],grev1_d[11:10], + grev1_d[05:04],grev1_d[07:06],grev1_d[01:00],grev1_d[03:02]} : grev1_d[31:0]; + + assign grev4_d[31:0] = (rs2_in[2]) ? {grev2_d[27:24],grev2_d[31:28],grev2_d[19:16],grev2_d[23:20], + grev2_d[11:08],grev2_d[15:12],grev2_d[03:00],grev2_d[07:04]} : grev2_d[31:0]; + + assign grev8_d[31:0] = (rs2_in[3]) ? {grev4_d[23:16],grev4_d[31:24],grev4_d[07:00],grev4_d[15:08]} : grev4_d[31:0]; + + assign grev_d[31:0] = (rs2_in[4]) ? {grev8_d[15:00],grev8_d[31:16]} : grev8_d[31:0]; + + + + + // * * * * * * * * * * * * * * * * * * BitManip : GORC * * * * * * * * * * * * * * * * * * + + // uint32_t gorc32(uint32_t rs1, uint32_t rs2) + // { + // uint32_t x = rs1; + // int shamt = rs2 & 31; + // + // if (shamt & 1) x |= ( (x & 0x55555555) << 1) | ( (x & 0xAAAAAAAA) >> 1); + // if (shamt & 2) x |= ( (x & 0x33333333) << 2) | ( (x & 0xCCCCCCCC) >> 2); + // if (shamt & 4) x |= ( (x & 0x0F0F0F0F) << 4) | ( (x & 0xF0F0F0F0) >> 4); + // if (shamt & 8) x |= ( (x & 0x00FF00FF) << 8) | ( (x & 0xFF00FF00) >> 8); + // if (shamt & 16) x |= ( (x & 0x0000FFFF) << 16) | ( (x & 0xFFFF0000) >> 16); + // + // return x; + // } + + + logic [31:0] gorc1_d; + logic [31:0] gorc2_d; + logic [31:0] gorc4_d; + logic [31:0] gorc8_d; + logic [31:0] gorc_d; + + + assign gorc1_d[31:0] = ( {32{rs2_in[0]}} & {rs1_in[30],rs1_in[31],rs1_in[28],rs1_in[29],rs1_in[26],rs1_in[27],rs1_in[24],rs1_in[25], + rs1_in[22],rs1_in[23],rs1_in[20],rs1_in[21],rs1_in[18],rs1_in[19],rs1_in[16],rs1_in[17], + rs1_in[14],rs1_in[15],rs1_in[12],rs1_in[13],rs1_in[10],rs1_in[11],rs1_in[08],rs1_in[09], + rs1_in[06],rs1_in[07],rs1_in[04],rs1_in[05],rs1_in[02],rs1_in[03],rs1_in[00],rs1_in[01]} ) | rs1_in[31:0]; + + assign gorc2_d[31:0] = ( {32{rs2_in[1]}} & {gorc1_d[29:28],gorc1_d[31:30],gorc1_d[25:24],gorc1_d[27:26], + gorc1_d[21:20],gorc1_d[23:22],gorc1_d[17:16],gorc1_d[19:18], + gorc1_d[13:12],gorc1_d[15:14],gorc1_d[09:08],gorc1_d[11:10], + gorc1_d[05:04],gorc1_d[07:06],gorc1_d[01:00],gorc1_d[03:02]} ) | gorc1_d[31:0]; + + assign gorc4_d[31:0] = ( {32{rs2_in[2]}} & {gorc2_d[27:24],gorc2_d[31:28],gorc2_d[19:16],gorc2_d[23:20], + gorc2_d[11:08],gorc2_d[15:12],gorc2_d[03:00],gorc2_d[07:04]} ) | gorc2_d[31:0]; + + assign gorc8_d[31:0] = ( {32{rs2_in[3]}} & {gorc4_d[23:16],gorc4_d[31:24],gorc4_d[07:00],gorc4_d[15:08]} ) | gorc4_d[31:0]; + + assign gorc_d[31:0] = ( {32{rs2_in[4]}} & {gorc8_d[15:00],gorc8_d[31:16]} ) | gorc8_d[31:0]; + + + + + // * * * * * * * * * * * * * * * * * * BitManip : SHFL, UNSHLF * * * * * * * * * * * * * * * * * * + + // uint32_t shuffle32_stage (uint32_t src, uint32_t maskL, uint32_t maskR, int N) + // { + // uint32_t x = src & ~(maskL | maskR); + // x |= ((src << N) & maskL) | ((src >> N) & maskR); + // return x; + // } + // + // + // + // uint32_t shfl32(uint32_t rs1, uint32_t rs2) + // { + // uint32_t x = rs1; + // int shamt = rs2 & 15 + // + // if (shamt & 8) x = shuffle32_stage(x, 0x00ff0000, 0x0000ff00, 8); + // if (shamt & 4) x = shuffle32_stage(x, 0x0f000f00, 0x00f000f0, 4); + // if (shamt & 2) x = shuffle32_stage(x, 0x30303030, 0xc0c0c0c0, 2); + // if (shamt & 1) x = shuffle32_stage(x, 0x44444444, 0x22222222, 1); + // + // return x; + // } + + + logic [31:0] shfl8_d; + logic [31:0] shfl4_d; + logic [31:0] shfl2_d; + logic [31:0] shfl_d; + + + + assign shfl8_d[31:0] = (rs2_in[3]) ? {rs1_in[31:24],rs1_in[15:08],rs1_in[23:16],rs1_in[07:00]} : rs1_in[31:0]; + + assign shfl4_d[31:0] = (rs2_in[2]) ? {shfl8_d[31:28],shfl8_d[23:20],shfl8_d[27:24],shfl8_d[19:16], + shfl8_d[15:12],shfl8_d[07:04],shfl8_d[11:08],shfl8_d[03:00]} : shfl8_d[31:0]; + + assign shfl2_d[31:0] = (rs2_in[1]) ? {shfl4_d[31:30],shfl4_d[27:26],shfl4_d[29:28],shfl4_d[25:24], + shfl4_d[23:22],shfl4_d[19:18],shfl4_d[21:20],shfl4_d[17:16], + shfl4_d[15:14],shfl4_d[11:10],shfl4_d[13:12],shfl4_d[09:08], + shfl4_d[07:06],shfl4_d[03:02],shfl4_d[05:04],shfl4_d[01:00]} : shfl4_d[31:0]; + + assign shfl_d[31:0] = (rs2_in[0]) ? {shfl2_d[31],shfl2_d[29],shfl2_d[30],shfl2_d[28],shfl2_d[27],shfl2_d[25],shfl2_d[26],shfl2_d[24], + shfl2_d[23],shfl2_d[21],shfl2_d[22],shfl2_d[20],shfl2_d[19],shfl2_d[17],shfl2_d[18],shfl2_d[16], + shfl2_d[15],shfl2_d[13],shfl2_d[14],shfl2_d[12],shfl2_d[11],shfl2_d[09],shfl2_d[10],shfl2_d[08], + shfl2_d[07],shfl2_d[05],shfl2_d[06],shfl2_d[04],shfl2_d[03],shfl2_d[01],shfl2_d[02],shfl2_d[00]} : shfl2_d[31:0]; + + + + + // uint32_t unshfl32(uint32_t rs1, uint32_t rs2) + // { + // uint32_t x = rs1; + // int shamt = rs2 & 15 + // + // if (shamt & 1) x = shuffle32_stage(x, 0x44444444, 0x22222222, 1); + // if (shamt & 2) x = shuffle32_stage(x, 0x30303030, 0xc0c0c0c0, 2); + // if (shamt & 4) x = shuffle32_stage(x, 0x0f000f00, 0x00f000f0, 4); + // if (shamt & 8) x = shuffle32_stage(x, 0x00ff0000, 0x0000ff00, 8); + // + // return x; + // } + + + logic [31:0] unshfl1_d; + logic [31:0] unshfl2_d; + logic [31:0] unshfl4_d; + logic [31:0] unshfl_d; + + + assign unshfl1_d[31:0] = (rs2_in[0]) ? {rs1_in[31],rs1_in[29],rs1_in[30],rs1_in[28],rs1_in[27],rs1_in[25],rs1_in[26],rs1_in[24], + rs1_in[23],rs1_in[21],rs1_in[22],rs1_in[20],rs1_in[19],rs1_in[17],rs1_in[18],rs1_in[16], + rs1_in[15],rs1_in[13],rs1_in[14],rs1_in[12],rs1_in[11],rs1_in[09],rs1_in[10],rs1_in[08], + rs1_in[07],rs1_in[05],rs1_in[06],rs1_in[04],rs1_in[03],rs1_in[01],rs1_in[02],rs1_in[00]} : rs1_in[31:0]; + + assign unshfl2_d[31:0] = (rs2_in[1]) ? {unshfl1_d[31:30],unshfl1_d[27:26],unshfl1_d[29:28],unshfl1_d[25:24], + unshfl1_d[23:22],unshfl1_d[19:18],unshfl1_d[21:20],unshfl1_d[17:16], + unshfl1_d[15:14],unshfl1_d[11:10],unshfl1_d[13:12],unshfl1_d[09:08], + unshfl1_d[07:06],unshfl1_d[03:02],unshfl1_d[05:04],unshfl1_d[01:00]} : unshfl1_d[31:0]; + + assign unshfl4_d[31:0] = (rs2_in[2]) ? {unshfl2_d[31:28],unshfl2_d[23:20],unshfl2_d[27:24],unshfl2_d[19:16], + unshfl2_d[15:12],unshfl2_d[07:04],unshfl2_d[11:08],unshfl2_d[03:00]} : unshfl2_d[31:0]; + + assign unshfl_d[31:0] = (rs2_in[3]) ? {unshfl4_d[31:24],unshfl4_d[15:08],unshfl4_d[23:16],unshfl4_d[07:00]} : unshfl4_d[31:0]; + + + + + // * * * * * * * * * * * * * * * * * * BitManip : CRC32, CRC32c * * * * * * * * * * * * * * * * * + + // *** computed from https: //crccalc.com *** + // + // "a" is 8'h61 = 8'b0110_0001 (8'h61 ^ 8'hff = 8'h9e) + // + // Input must first be XORed with 32'hffff_ffff + // + // + // CRC32 + // + // Input Output Input Output + // ----- -------- -------- -------- + // "a" e8b7be43 ffffff9e 174841bc + // "aa" 078a19d7 ffff9e9e f875e628 + // "aaaa" ad98e545 9e9e9e9e 5267a1ba + // + // + // + // CRC32c + // + // Input Output Input Output + // ----- -------- -------- -------- + // "a" c1d04330 ffffff9e 3e2fbccf + // "aa" f1f2dac2 ffff9e9e 0e0d253d + // "aaaa" 6a52eeb0 9e9e9e9e 95ad114f + + + logic crc32_all; + logic [31:0] crc32_poly_rev; + logic [31:0] crc32c_poly_rev; + integer crc32_bi, crc32_hi, crc32_wi, crc32c_bi, crc32c_hi, crc32c_wi; + logic [31:0] crc32_bd, crc32_hd, crc32_wd, crc32c_bd, crc32c_hd, crc32c_wd; + + + assign crc32_all = ap_crc32_b | ap_crc32_h | ap_crc32_w | ap_crc32c_b | ap_crc32c_h | ap_crc32c_w; + + assign crc32_poly_rev[31:0] = 32'hEDB88320; // bit reverse of 32'h04C11DB7 + assign crc32c_poly_rev[31:0] = 32'h82F63B78; // bit reverse of 32'h1EDC6F41 + + + always_comb + begin + crc32_bd[31:0] = rs1_in[31:0]; + + for (crc32_bi=0; crc32_bi<8; crc32_bi++) + begin + crc32_bd[31:0] = (crc32_bd[31:0] >> 1) ^ (crc32_poly_rev[31:0] & {32{crc32_bd[0]}}); + end // FOR crc32_bi + end // ALWAYS_COMB + + + always_comb + begin + crc32_hd[31:0] = rs1_in[31:0]; + + for (crc32_hi=0; crc32_hi<16; crc32_hi++) + begin + crc32_hd[31:0] = (crc32_hd[31:0] >> 1) ^ (crc32_poly_rev[31:0] & {32{crc32_hd[0]}}); + end // FOR crc32_hi + end // ALWAYS_COMB + + + always_comb + begin + crc32_wd[31:0] = rs1_in[31:0]; + + for (crc32_wi=0; crc32_wi<32; crc32_wi++) + begin + crc32_wd[31:0] = (crc32_wd[31:0] >> 1) ^ (crc32_poly_rev[31:0] & {32{crc32_wd[0]}}); + end // FOR crc32_wi + end // ALWAYS_COMB + + + + + always_comb + begin + crc32c_bd[31:0] = rs1_in[31:0]; + + for (crc32c_bi=0; crc32c_bi<8; crc32c_bi++) + begin + crc32c_bd[31:0] = (crc32c_bd[31:0] >> 1) ^ (crc32c_poly_rev[31:0] & {32{crc32c_bd[0]}}); + end // FOR crc32c_bi + end // ALWAYS_COMB + + + always_comb + begin + crc32c_hd[31:0] = rs1_in[31:0]; + + for (crc32c_hi=0; crc32c_hi<16; crc32c_hi++) + begin + crc32c_hd[31:0] = (crc32c_hd[31:0] >> 1) ^ (crc32c_poly_rev[31:0] & {32{crc32c_hd[0]}}); + end // FOR crc32c_hi + end // ALWAYS_COMB + + + always_comb + begin + crc32c_wd[31:0] = rs1_in[31:0]; + + for (crc32c_wi=0; crc32c_wi<32; crc32c_wi++) + begin + crc32c_wd[31:0] = (crc32c_wd[31:0] >> 1) ^ (crc32c_poly_rev[31:0] & {32{crc32c_wd[0]}}); + end // FOR crc32c_wi + end // ALWAYS_COMB + + + + + + // * * * * * * * * * * * * * * * * * * BitManip : BFP * * * * * * * * * * * * * * * * * * + + logic [4:0] bfp_len; + logic [4:0] bfp_off; + logic [31:0] bfp_len_mask_; + logic [15:0] bfp_preshift_data; + logic [63:0] bfp_shift_data; + logic [63:0] bfp_shift_mask; + logic [31:0] bfp_result_d; + + + assign bfp_len[3:0] = rs2_in[27:24]; + assign bfp_len[4] = (bfp_len[3:0] == 4'b0); // If LEN field is zero, then LEN=16 + assign bfp_off[4:0] = rs2_in[20:16]; + + assign bfp_len_mask_[31:0] = 32'hffff_ffff << bfp_len[4:0]; + assign bfp_preshift_data[15:0]= rs2_in[15:0] & ~bfp_len_mask_[15:0]; + + assign bfp_shift_data[63:0] = {16'b0,bfp_preshift_data[15:0], 16'b0,bfp_preshift_data[15:0]} << bfp_off[4:0]; + assign bfp_shift_mask[63:0] = {bfp_len_mask_[31:0], bfp_len_mask_[31:0]} << bfp_off[4:0]; + + assign bfp_result_d[31:0] = bfp_shift_data[63:32] | (rs1_in[31:0] & bfp_shift_mask[63:32]); + + + + + + // * * * * * * * * * * * * * * * * * * BitManip : Common logic * * * * * * * * * * * * * * * * * * + + + assign bitmanip_sel_d = ap_bext | ap_bdep | ap_clmul | ap_clmulh | ap_clmulr | ap_grev | ap_gorc | ap_shfl | ap_unshfl | crc32_all | ap_bfp; + + assign bitmanip_d[31:0] = ( {32{ap_bext}} & bext_d[31:0] ) | + ( {32{ap_bdep}} & bdep_d[31:0] ) | + ( {32{ap_clmul}} & clmul_raw_d[31:0] ) | + ( {32{ap_clmulh}} & {1'b0,clmul_raw_d[62:32]} ) | + ( {32{ap_clmulr}} & clmul_raw_d[62:31] ) | + ( {32{ap_grev}} & grev_d[31:0] ) | + ( {32{ap_gorc}} & gorc_d[31:0] ) | + ( {32{ap_shfl}} & shfl_d[31:0] ) | + ( {32{ap_unshfl}} & unshfl_d[31:0] ) | + ( {32{ap_crc32_b}} & crc32_bd[31:0] ) | + ( {32{ap_crc32_h}} & crc32_hd[31:0] ) | + ( {32{ap_crc32_w}} & crc32_wd[31:0] ) | + ( {32{ap_crc32c_b}} & crc32c_bd[31:0] ) | + ( {32{ap_crc32c_h}} & crc32c_hd[31:0] ) | + ( {32{ap_crc32c_w}} & crc32c_wd[31:0] ) | + ( {32{ap_bfp}} & bfp_result_d[31:0] ); + + + + rvdffe #(33) i_bitmanip_ff (.*, .clk(clk), .din({bitmanip_sel_d,bitmanip_d[31:0]}), .dout({bitmanip_sel_x,bitmanip_x[31:0]}), .en(bit_x_enable)); + + + + + assign result_x[31:0] = ( {32{~bitmanip_sel_x & ~low_x}} & prod_x[63:32] ) | + ( {32{~bitmanip_sel_x & low_x}} & prod_x[31:0] ) | + bitmanip_x[31:0]; + + + +endmodule // eb1_exu_mul_ctl + +//******************************************************************************** +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** +//******************************************************************************** +// Function: Top level file for Icache, Fetch, Branch prediction & Aligner +// BFF -> F1 -> F2 -> A +//******************************************************************************** + +module eb1_ifu +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic free_l2clk, // Clock always. Through one clock header. For flops with second header built in. + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic rst_l, // reset, active low + + input logic dec_i0_decode_d, // Valid instruction at D and not blocked + + input logic exu_flush_final, // flush, includes upper and lower + input logic dec_tlu_i0_commit_cmt , // committed i0 + input logic dec_tlu_flush_err_wb , // flush due to parity error. + input logic dec_tlu_flush_noredir_wb, // don't fetch, validated with exu_flush_final + input logic [31:1] exu_flush_path_final, // flush fetch address + + input logic [31:0] dec_tlu_mrac_ff ,// Side_effect , cacheable for each region + input logic dec_tlu_fence_i_wb, // fence.i, invalidate icache, validated with exu_flush_final + input logic dec_tlu_flush_leak_one_wb, // ignore bp for leak one fetches + + input logic dec_tlu_bpred_disable, // disable all branch prediction + input logic dec_tlu_core_ecc_disable, // disable ecc checking and flagging + input logic dec_tlu_force_halt, // force halt + + //-------------------------- IFU AXI signals-------------------------- + // AXI Write Channels + output logic ifu_axi_awvalid, + output logic [pt.IFU_BUS_TAG-1:0] ifu_axi_awid, + output logic [31:0] ifu_axi_awaddr, + output logic [3:0] ifu_axi_awregion, + output logic [7:0] ifu_axi_awlen, + output logic [2:0] ifu_axi_awsize, + output logic [1:0] ifu_axi_awburst, + output logic ifu_axi_awlock, + output logic [3:0] ifu_axi_awcache, + output logic [2:0] ifu_axi_awprot, + output logic [3:0] ifu_axi_awqos, + + output logic ifu_axi_wvalid, + output logic [63:0] ifu_axi_wdata, + output logic [7:0] ifu_axi_wstrb, + output logic ifu_axi_wlast, + + output logic ifu_axi_bready, + + // AXI Read Channels + output logic ifu_axi_arvalid, + input logic ifu_axi_arready, + output logic [pt.IFU_BUS_TAG-1:0] ifu_axi_arid, + output logic [31:0] ifu_axi_araddr, + output logic [3:0] ifu_axi_arregion, + output logic [7:0] ifu_axi_arlen, + output logic [2:0] ifu_axi_arsize, + output logic [1:0] ifu_axi_arburst, + output logic ifu_axi_arlock, + output logic [3:0] ifu_axi_arcache, + output logic [2:0] ifu_axi_arprot, + output logic [3:0] ifu_axi_arqos, + + input logic ifu_axi_rvalid, + output logic ifu_axi_rready, + input logic [pt.IFU_BUS_TAG-1:0] ifu_axi_rid, + input logic [63:0] ifu_axi_rdata, + input logic [1:0] ifu_axi_rresp, + + input logic ifu_bus_clk_en, + + input logic dma_iccm_req, + input logic [31:0] dma_mem_addr, + input logic [2:0] dma_mem_sz, + input logic dma_mem_write, + input logic [63:0] dma_mem_wdata, + input logic [2:0] dma_mem_tag, // DMA Buffer entry number + + + input logic dma_iccm_stall_any, + output logic iccm_dma_ecc_error, + output logic iccm_dma_rvalid, + output logic [63:0] iccm_dma_rdata, + output logic [2:0] iccm_dma_rtag, // Tag of the DMA req + output logic iccm_ready, + + output logic ifu_pmu_instr_aligned, + output logic ifu_pmu_fetch_stall, + output logic ifu_ic_error_start, // has all of the I$ ecc/parity for data/tag + +// I$ & ITAG Ports + output logic [31:1] ic_rw_addr, // Read/Write addresss to the Icache. + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_wr_en, // Icache write enable, when filling the Icache. + output logic ic_rd_en, // Icache read enable. + + output logic [pt.ICACHE_BANKS_WAY-1:0][70:0] ic_wr_data, // Data to fill to the Icache. With ECC + input logic [63:0] ic_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC + input logic [70:0] ic_debug_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC + input logic [25:0] ictag_debug_rd_data,// Debug icache tag. + output logic [70:0] ic_debug_wr_data, // Debug wr cache. + + output logic [70:0] ifu_ic_debug_rd_data, + + input logic [pt.ICACHE_BANKS_WAY-1:0] ic_eccerr, // + input logic [pt.ICACHE_BANKS_WAY-1:0] ic_parerr, + output logic [63:0] ic_premux_data, // Premux data to be muxed with each way of the Icache. + output logic ic_sel_premux_data, // Select the premux data. + + output logic [pt.ICACHE_INDEX_HI:3] ic_debug_addr, // Read/Write addresss to the Icache. + output logic ic_debug_rd_en, // Icache debug rd + output logic ic_debug_wr_en, // Icache debug wr + output logic ic_debug_tag_array, // Debug tag array + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_debug_way, // Debug way. Rd or Wr. + + + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_tag_valid, // Valid bits when accessing the Icache. One valid bit per way. F2 stage + + input logic [pt.ICACHE_NUM_WAYS-1:0] ic_rd_hit, // Compare hits from Icache tags. Per way. F2 stage + input logic ic_tag_perr, // Icache Tag parity error + + + // ICCM ports + output logic [pt.ICCM_BITS-1:1] iccm_rw_addr, // ICCM read/write address. + output logic iccm_wren, // ICCM write enable (through the DMA) + output logic iccm_rden, // ICCM read enable. + output logic [77:0] iccm_wr_data, // ICCM write data. + output logic [2:0] iccm_wr_size, // ICCM write location within DW. + + input logic [63:0] iccm_rd_data, // Data read from ICCM. + input logic [77:0] iccm_rd_data_ecc, // Data + ECC read from ICCM. + + output logic ifu_iccm_rd_ecc_single_err, // This fetch has a single ICCM ecc error. + +// Perf counter sigs + output logic ifu_pmu_ic_miss, // ic miss + output logic ifu_pmu_ic_hit, // ic hit + output logic ifu_pmu_bus_error, // iside bus error + output logic ifu_pmu_bus_busy, // iside bus busy + output logic ifu_pmu_bus_trxn, // iside bus transactions + + + output logic ifu_i0_icaf, // Instruction 0 access fault. From Aligner to Decode + output logic [1:0] ifu_i0_icaf_type, // Instruction 0 access fault type + + output logic ifu_i0_valid, // Instruction 0 valid. From Aligner to Decode + output logic ifu_i0_icaf_second, // Instruction 0 has access fault on second 2B of 4B inst + output logic ifu_i0_dbecc, // Instruction 0 has double bit ecc error + output logic iccm_dma_sb_error, // Single Bit ECC error from a DMA access + output logic[31:0] ifu_i0_instr, // Instruction 0 . From Aligner to Decode + output logic[31:1] ifu_i0_pc, // Instruction 0 pc. From Aligner to Decode + output logic ifu_i0_pc4, // Instruction 0 is 4 byte. From Aligner to Decode + + output logic ifu_miss_state_idle, // There is no outstanding miss. Cache miss state is idle. + + output eb1_br_pkt_t i0_brp, // Instruction 0 branch packet. From Aligner to Decode + output logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] ifu_i0_bp_index, // BP index + output logic [pt.BHT_GHR_SIZE-1:0] ifu_i0_bp_fghr, // BP FGHR + output logic [pt.BTB_BTAG_SIZE-1:0] ifu_i0_bp_btag, // BP tag + output logic [$clog2(pt.BTB_SIZE)-1:0] ifu_i0_fa_index, // Fully associt btb index + + input eb1_predict_pkt_t exu_mp_pkt, // mispredict packet + input logic [pt.BHT_GHR_SIZE-1:0] exu_mp_eghr, // execute ghr + input logic [pt.BHT_GHR_SIZE-1:0] exu_mp_fghr, // Mispredict fghr + input logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_mp_index, // Mispredict index + input logic [pt.BTB_BTAG_SIZE-1:0] exu_mp_btag, // Mispredict btag + + input eb1_br_tlu_pkt_t dec_tlu_br0_r_pkt, // slot0 update/error pkt + input logic [pt.BHT_GHR_SIZE-1:0] exu_i0_br_fghr_r, // fghr to bp + input logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_i0_br_index_r, // bp index + input logic [$clog2(pt.BTB_SIZE)-1:0] dec_fa_error_index, // Fully associt btb error index + + input dec_tlu_flush_lower_wb, + + output logic [15:0] ifu_i0_cinst, + + +/// Icache debug + input eb1_cache_debug_pkt_t dec_tlu_ic_diag_pkt , + output logic ifu_ic_debug_rd_data_valid, + output logic iccm_buf_correct_ecc, + output logic iccm_correction_state, + + input logic scan_mode + ); + + localparam TAGWIDTH = 2 ; + localparam IDWIDTH = 2 ; + + logic ifu_fb_consume1, ifu_fb_consume2; + logic [31:1] ifc_fetch_addr_f; + logic [31:1] ifc_fetch_addr_bf; + + logic [1:0] ifu_fetch_val; // valids on a 2B boundary, left justified [7] implies valid fetch + logic [31:1] ifu_fetch_pc; // starting pc of fetch + + logic iccm_rd_ecc_single_err, ic_error_start; + assign ifu_iccm_rd_ecc_single_err = iccm_rd_ecc_single_err; + assign ifu_ic_error_start = ic_error_start; + + + logic ic_write_stall; + logic ic_dma_active; + logic ifc_dma_access_ok; + logic [1:0] ic_access_fault_f; + logic [1:0] ic_access_fault_type_f; + logic ifu_ic_mb_empty; + + logic ic_hit_f; + + logic [1:0] ifu_bp_way_f; // way indication; right justified + logic ifu_bp_hit_taken_f; // kill next fetch; taken target found + logic [31:1] ifu_bp_btb_target_f; // predicted target PC + logic ifu_bp_inst_mask_f; // tell ic which valids to kill because of a taken branch; right justified + logic [1:0] ifu_bp_hist1_f; // history counters for all 4 potential branches; right justified + logic [1:0] ifu_bp_hist0_f; // history counters for all 4 potential branches; right justified + logic [11:0] ifu_bp_poffset_f; // predicted target + logic [1:0] ifu_bp_ret_f; // predicted ret ; right justified + logic [1:0] ifu_bp_pc4_f; // pc4 indication; right justified + logic [1:0] ifu_bp_valid_f; // branch valid, right justified + logic [pt.BHT_GHR_SIZE-1:0] ifu_bp_fghr_f; + logic [1:0] [$clog2(pt.BTB_SIZE)-1:0] ifu_bp_fa_index_f; + + + // fetch control + eb1_ifu_ifc_ctl #(.pt(pt)) ifc (.* + ); + + // branch predictor + if (pt.BTB_ENABLE==1) begin : bpred + eb1_ifu_bp_ctl #(.pt(pt)) bp (.*); + end + else begin : bpred + assign ifu_bp_hit_taken_f = '0; + // verif wires + logic btb_wr_en_way0, btb_wr_en_way1,dec_tlu_error_wb; + logic [16+pt.BTB_BTAG_SIZE:0] btb_wr_data; + assign btb_wr_en_way0 = '0; + assign btb_wr_en_way1 = '0; + assign btb_wr_data = '0; + assign dec_tlu_error_wb ='0; + assign ifu_bp_inst_mask_f = 1'b1; + end + + + logic [1:0] ic_fetch_val_f; + logic [31:0] ic_data_f; + logic [31:0] ifu_fetch_data_f; + logic ifc_fetch_req_f; + logic ifc_fetch_req_f_raw; + logic [1:0] iccm_rd_ecc_double_err; // This fetch has an iccm double error. + + logic ifu_async_error_start; + + + assign ifu_fetch_data_f[31:0] = ic_data_f[31:0]; + assign ifu_fetch_val[1:0] = ic_fetch_val_f[1:0]; + assign ifu_fetch_pc[31:1] = ifc_fetch_addr_f[31:1]; + + logic ifc_fetch_uncacheable_bf; // The fetch request is uncacheable space. BF stage + logic ifc_fetch_req_bf; // Fetch request. Comes with the address. BF stage + logic ifc_fetch_req_bf_raw; // Fetch request without some qualifications. Used for clock-gating. BF stage + logic ifc_iccm_access_bf; // This request is to the ICCM. Do not generate misses to the bus. + logic ifc_region_acc_fault_bf; // Access fault. in ICCM region but offset is outside defined ICCM. + + // aligner + + eb1_ifu_aln_ctl #(.pt(pt)) aln ( + .* + ); + + + // icache + eb1_ifu_mem_ctl #(.pt(pt)) mem_ctl + (.*, + .ic_data_f(ic_data_f[31:0]) + ); + + + + // Performance debug info + // + // +`ifdef DUMP_BTB_ON + logic exu_mp_valid; // conditional branch mispredict + logic exu_mp_way; // conditional branch mispredict + logic exu_mp_ataken; // direction is actual taken + logic exu_mp_boffset; // branch offsett + logic exu_mp_pc4; // branch is a 4B inst + logic exu_mp_call; // branch is a call inst + logic exu_mp_ret; // branch is a ret inst + logic exu_mp_ja; // branch is a jump always + logic [1:0] exu_mp_hist; // new history + logic [11:0] exu_mp_tgt; // target offset + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_mp_addr; // BTB/BHT address + + assign exu_mp_valid = exu_mp_pkt.misp; // conditional branch mispredict + assign exu_mp_ataken = exu_mp_pkt.ataken; // direction is actual taken + assign exu_mp_boffset = exu_mp_pkt.boffset; // branch offset + assign exu_mp_pc4 = exu_mp_pkt.pc4; // branch is a 4B inst + assign exu_mp_call = exu_mp_pkt.pcall; // branch is a call inst + assign exu_mp_ret = exu_mp_pkt.pret; // branch is a ret inst + assign exu_mp_ja = exu_mp_pkt.pja; // branch is a jump always + assign exu_mp_way = exu_mp_pkt.way; // branch is a jump always + assign exu_mp_hist[1:0] = exu_mp_pkt.hist[1:0]; // new history + assign exu_mp_tgt[11:0] = exu_mp_pkt.toffset[11:0] ; // target offset + assign exu_mp_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] = exu_mp_index[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] ; // BTB/BHT address + + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] btb_rd_addr_f; + `define DEC `CPU_TOP.dec + `define EXU `CPU_TOP.exu + eb1_btb_addr_hash f2hash(.pc(ifc_fetch_addr_f[pt.BTB_INDEX3_HI:pt.BTB_INDEX1_LO]), .hash(btb_rd_addr_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO])); + logic [31:0] mppc_ns, mppc; + logic exu_flush_final_d1; + assign mppc_ns[31:1] = `EXU.i0_flush_upper_x ? `EXU.exu_i0_pc_x : `EXU.dec_i0_pc_d; + assign mppc_ns[0] = 1'b0; + rvdff #(33) junk_ff (.*, .clk(active_clk), .din({mppc_ns[31:0], exu_flush_final}), .dout({mppc[31:0], exu_flush_final_d1})); + logic tmp_bnk; + assign tmp_bnk = bpred.bp.btb_sel_f[1]; + + always @(negedge clk) begin + if(`DEC.tlu.mcyclel[31:0] == 32'h0000_0010) begin + $display("BTB_CONFIG: %d",pt.BTB_SIZE); + `ifndef BP_NOGSHARE + $display("BHT_CONFIG: %d gshare: 1",pt.BHT_SIZE); + `else + $display("BHT_CONFIG: %d gshare: 0",pt.BHT_SIZE); + `endif + $display("RS_CONFIG: %d", pt.RET_STACK_SIZE); + end + if(exu_flush_final_d1 & ~(dec_tlu_br0_r_pkt.br_error | dec_tlu_br0_r_pkt.br_start_error) & (exu_mp_pkt.misp | exu_mp_pkt.ataken)) + $display("%7d BTB_MP : index: %0h bank: %0h call: %b ret: %b ataken: %b hist: %h valid: %b tag: %h targ: %h eghr: %b pred: %b ghr_index: %h brpc: %h way: %h", `DEC.tlu.mcyclel[31:0]+32'ha, exu_mp_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO], 1'b0, exu_mp_call, exu_mp_ret, exu_mp_ataken, exu_mp_hist[1:0], exu_mp_valid, exu_mp_btag[pt.BTB_BTAG_SIZE-1:0], {exu_flush_path_final[31:1], 1'b0}, exu_mp_eghr[pt.BHT_GHR_SIZE-1:0], exu_mp_valid, bpred.bp.bht_wr_addr0, mppc[31:0], exu_mp_pkt.way); + + for(int i = 0; i < 8; i++) begin + if(ifu_bp_valid_f[i] & ifc_fetch_req_f) + $display("%7d BTB_HIT : index: %0h bank: %0h call: %b ret: %b taken: %b strength: %b tag: %h targ: %0h ghr: %4b ghr_index: %h way: %h", `DEC.tlu.mcyclel[31:0]+32'ha,btb_rd_addr_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO],bpred.bp.btb_sel_f[1], bpred.bp.btb_rd_call_f, bpred.bp.btb_rd_ret_f, ifu_bp_hist1_f[tmp_bnk], ifu_bp_hist0_f[tmp_bnk], bpred.bp.fetch_rd_tag_f[pt.BTB_BTAG_SIZE-1:0], {ifu_bp_btb_target_f[31:1], 1'b0}, bpred.bp.fghr[pt.BHT_GHR_SIZE-1:0], bpred.bp.bht_rd_addr_f, ifu_bp_way_f[tmp_bnk]); + end + if(dec_tlu_br0_r_pkt.valid & ~(dec_tlu_br0_r_pkt.br_error | dec_tlu_br0_r_pkt.br_start_error)) + $display("%7d BTB_UPD0: ghr_index: %0h bank: %0h hist: %h way: %h", `DEC.tlu.mcyclel[31:0]+32'ha,bpred.bp.br0_hashed_wb[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO],{dec_tlu_br0_r_pkt.middle}, dec_tlu_br0_r_pkt.hist, dec_tlu_br0_r_pkt.way); + + if(dec_tlu_br0_r_pkt.br_error | dec_tlu_br0_r_pkt.br_start_error) + $display("%7d BTB_ERR0: index: %0h bank: %0h start: %b rfpc: %h way: %h", `DEC.tlu.mcyclel[31:0]+32'ha,exu_i0_br_index_r[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO],1'b0, dec_tlu_br0_r_pkt.br_start_error, {exu_flush_path_final[31:1], 1'b0}, dec_tlu_br0_r_pkt.way); + end // always @ (negedge clk) + function [1:0] encode4_2; + input [3:0] in; + + encode4_2[1] = in[3] | in[2]; + encode4_2[0] = in[3] | in[1]; + + endfunction +`endif +endmodule // eb1_ifu + +//******************************************************************************** +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** + +//******************************************************************************** +// Function: Instruction aligner +//******************************************************************************** +module eb1_ifu_aln_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + + input logic scan_mode, // Flop scan mode control + input logic rst_l, // reset, active low + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + + input logic ifu_async_error_start, // ecc/parity related errors with current fetch - not sent down the pipe + + input logic [1:0] iccm_rd_ecc_double_err, // This fetch has a double ICCM ecc error. + + input logic [1:0] ic_access_fault_f, // Instruction access fault for the current fetch. + input logic [1:0] ic_access_fault_type_f, // Instruction access fault types + + input logic exu_flush_final, // Flush from the pipeline. + + input logic dec_i0_decode_d, // Valid instruction at D-stage and not blocked + + input logic [31:0] ifu_fetch_data_f, // fetch data in memory format - not right justified + + input logic [1:0] ifu_fetch_val, // valids on a 2B boundary, right justified + input logic [31:1] ifu_fetch_pc, // starting pc of fetch + + + + output logic ifu_i0_valid, // Instruction 0 is valid + output logic ifu_i0_icaf, // Instruction 0 has access fault + output logic [1:0] ifu_i0_icaf_type, // Instruction 0 access fault type + output logic ifu_i0_icaf_second, // Instruction 0 has access fault on second 2B of 4B inst + + output logic ifu_i0_dbecc, // Instruction 0 has double bit ecc error + output logic [31:0] ifu_i0_instr, // Instruction 0 + output logic [31:1] ifu_i0_pc, // Instruction 0 PC + output logic ifu_i0_pc4, + + output logic ifu_fb_consume1, // Consumed one buffer. To fetch control fetch for buffer mass balance + output logic ifu_fb_consume2, // Consumed two buffers.To fetch control fetch for buffer mass balance + + + input logic [pt.BHT_GHR_SIZE-1:0] ifu_bp_fghr_f, // fetch GHR + input logic [31:1] ifu_bp_btb_target_f, // predicted RET target + input logic [11:0] ifu_bp_poffset_f, // predicted target offset + input logic [1:0] [$clog2(pt.BTB_SIZE)-1:0] ifu_bp_fa_index_f, // predicted branch index (fully associative option) + + input logic [1:0] ifu_bp_hist0_f, // history counters for all 4 potential branches, bit 1, right justified + input logic [1:0] ifu_bp_hist1_f, // history counters for all 4 potential branches, bit 1, right justified + input logic [1:0] ifu_bp_pc4_f, // pc4 indication, right justified + input logic [1:0] ifu_bp_way_f, // way indication, right justified + input logic [1:0] ifu_bp_valid_f, // branch valid, right justified + input logic [1:0] ifu_bp_ret_f, // predicted ret indication, right justified + + + output eb1_br_pkt_t i0_brp, // Branch packet for I0. + output logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] ifu_i0_bp_index, // BP index + output logic [pt.BHT_GHR_SIZE-1:0] ifu_i0_bp_fghr, // BP FGHR + output logic [pt.BTB_BTAG_SIZE-1:0] ifu_i0_bp_btag, // BP tag + + output logic [$clog2(pt.BTB_SIZE)-1:0] ifu_i0_fa_index, // Fully associt btb index + + output logic ifu_pmu_instr_aligned, // number of inst aligned this cycle + + output logic [15:0] ifu_i0_cinst // 16b compress inst for i0 + ); + + + + logic ifvalid; + logic shift_f1_f0, shift_f2_f0, shift_f2_f1; + logic fetch_to_f0, fetch_to_f1, fetch_to_f2; + + logic [1:0] f2val_in, f2val; + logic [1:0] f1val_in, f1val; + logic [1:0] f0val_in, f0val; + logic [1:0] sf1val, sf0val; + + logic [31:0] aligndata; + logic first4B, first2B; + + logic [31:0] uncompress0; + logic i0_shift; + logic shift_2B, shift_4B; + logic f1_shift_2B; + logic f2_valid, sf1_valid, sf0_valid; + + logic [31:0] ifirst; + logic [1:0] alignval; + logic [31:1] firstpc, secondpc; + + logic [11:0] f1poffset; + logic [11:0] f0poffset; + logic [pt.BHT_GHR_SIZE-1:0] f1fghr; + logic [pt.BHT_GHR_SIZE-1:0] f0fghr; + logic [1:0] f1hist1; + logic [1:0] f0hist1; + logic [1:0] f1hist0; + logic [1:0] f0hist0; + + logic [1:0][$clog2(pt.BTB_SIZE)-1:0] f0index, f1index, alignindex; + + logic [1:0] f1ictype; + logic [1:0] f0ictype; + + logic [1:0] f1pc4; + logic [1:0] f0pc4; + + logic [1:0] f1ret; + logic [1:0] f0ret; + logic [1:0] f1way; + logic [1:0] f0way; + + logic [1:0] f1brend; + logic [1:0] f0brend; + + logic [1:0] alignbrend; + logic [1:0] alignpc4; + + logic [1:0] alignret; + logic [1:0] alignway; + logic [1:0] alignhist1; + logic [1:0] alignhist0; + logic [1:1] alignfromf1; + logic i0_ends_f1; + logic i0_br_start_error; + + logic [31:1] f1prett; + logic [31:1] f0prett; + logic [1:0] f1dbecc; + logic [1:0] f0dbecc; + logic [1:0] f1icaf; + logic [1:0] f0icaf; + + logic [1:0] aligndbecc; + logic [1:0] alignicaf; + logic i0_brp_pc4; + + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] firstpc_hash, secondpc_hash; + + logic first_legal; + + logic [1:0] wrptr, wrptr_in; + logic [1:0] rdptr, rdptr_in; + logic [2:0] qwen; + logic [31:0] q2,q1,q0; + logic q2off_in, q2off; + logic q1off_in, q1off; + logic q0off_in, q0off; + logic f0_shift_2B; + + logic [31:0] q0eff; + logic [31:0] q0final; + logic q0ptr; + logic [1:0] q0sel; + + logic [31:0] q1eff; + logic [15:0] q1final; + logic q1ptr; + logic [1:0] q1sel; + + logic [2:0] qren; + + logic consume_fb1, consume_fb0; + logic [1:0] icaf_eff; + + localparam BRDATA_SIZE = pt.BTB_ENABLE ? 16+($clog2(pt.BTB_SIZE)*2*pt.BTB_FULLYA) : 2; + localparam BRDATA_WIDTH = pt.BTB_ENABLE ? 8+($clog2(pt.BTB_SIZE)*pt.BTB_FULLYA) : 1; + logic [BRDATA_SIZE-1:0] brdata_in, brdata2, brdata1, brdata0; + logic [BRDATA_SIZE-1:0] brdata1eff, brdata0eff; + logic [BRDATA_SIZE-1:0] brdata1final, brdata0final; + + localparam MHI = 1+(pt.BTB_ENABLE * (43+pt.BHT_GHR_SIZE)); + localparam MSIZE = 2+(pt.BTB_ENABLE * (43+pt.BHT_GHR_SIZE)); + + logic [MHI:0] misc_data_in, misc2, misc1, misc0; + logic [MHI:0] misc1eff, misc0eff; + + logic [pt.BTB_BTAG_SIZE-1:0] firstbrtag_hash, secondbrtag_hash; + + logic error_stall_in, error_stall; + + assign error_stall_in = (error_stall | ifu_async_error_start) & ~exu_flush_final; + + rvdff #(.WIDTH(7)) bundle1ff (.*, + .clk(active_clk), + .din ({wrptr_in[1:0],rdptr_in[1:0],q2off_in,q1off_in,q0off_in}), + .dout({wrptr[1:0], rdptr[1:0], q2off, q1off, q0off}) + ); + + rvdffie #(.WIDTH(7),.OVERRIDE(1)) bundle2ff (.*, + .din ({error_stall_in,f2val_in[1:0],f1val_in[1:0],f0val_in[1:0]}), + .dout({error_stall, f2val[1:0], f1val[1:0], f0val[1:0] }) + ); + +if(pt.BTB_ENABLE==1) begin + rvdffe #(BRDATA_SIZE) brdata2ff (.*, .clk(clk), .en(qwen[2]), .din(brdata_in[BRDATA_SIZE-1:0]), .dout(brdata2[BRDATA_SIZE-1:0])); + rvdffe #(BRDATA_SIZE) brdata1ff (.*, .clk(clk), .en(qwen[1]), .din(brdata_in[BRDATA_SIZE-1:0]), .dout(brdata1[BRDATA_SIZE-1:0])); + rvdffe #(BRDATA_SIZE) brdata0ff (.*, .clk(clk), .en(qwen[0]), .din(brdata_in[BRDATA_SIZE-1:0]), .dout(brdata0[BRDATA_SIZE-1:0])); + rvdffe #(MSIZE) misc2ff (.*, .clk(clk), .en(qwen[2]), .din(misc_data_in[MHI:0]), .dout(misc2[MHI:0])); + rvdffe #(MSIZE) misc1ff (.*, .clk(clk), .en(qwen[1]), .din(misc_data_in[MHI:0]), .dout(misc1[MHI:0])); + rvdffe #(MSIZE) misc0ff (.*, .clk(clk), .en(qwen[0]), .din(misc_data_in[MHI:0]), .dout(misc0[MHI:0])); +end +else begin + + rvdffie #((MSIZE*3)+(BRDATA_SIZE*3)) miscff (.*, + .din({qwen[2] ? {misc_data_in[MHI:0], brdata_in[BRDATA_SIZE-1:0]} : {misc2[MHI:0], brdata2[BRDATA_SIZE-1:0]}, + qwen[1] ? {misc_data_in[MHI:0], brdata_in[BRDATA_SIZE-1:0]} : {misc1[MHI:0], brdata1[BRDATA_SIZE-1:0]}, + qwen[0] ? {misc_data_in[MHI:0], brdata_in[BRDATA_SIZE-1:0]} : {misc0[MHI:0], brdata0[BRDATA_SIZE-1:0]}}), + .dout({misc2[MHI:0],misc1[MHI:0],misc0[MHI:0], + brdata2[BRDATA_SIZE-1:0], brdata1[BRDATA_SIZE-1:0], brdata0[BRDATA_SIZE-1:0]}) + ); +end + + logic [31:1] q2pc, q1pc, q0pc; + + rvdffe #(31) q2pcff (.*, .clk(clk), .en(qwen[2]), .din(ifu_fetch_pc[31:1]), .dout(q2pc[31:1])); + rvdffe #(31) q1pcff (.*, .clk(clk), .en(qwen[1]), .din(ifu_fetch_pc[31:1]), .dout(q1pc[31:1])); + rvdffe #(31) q0pcff (.*, .clk(clk), .en(qwen[0]), .din(ifu_fetch_pc[31:1]), .dout(q0pc[31:1])); + + rvdffe #(32) q2ff (.*, .clk(clk), .en(qwen[2]), .din(ifu_fetch_data_f[31:0]), .dout(q2[31:0])); + rvdffe #(32) q1ff (.*, .clk(clk), .en(qwen[1]), .din(ifu_fetch_data_f[31:0]), .dout(q1[31:0])); + rvdffe #(32) q0ff (.*, .clk(clk), .en(qwen[0]), .din(ifu_fetch_data_f[31:0]), .dout(q0[31:0])); + + + // new queue control logic + + assign qren[2:0] = { rdptr[1:0] == 2'b10, + rdptr[1:0] == 2'b01, + rdptr[1:0] == 2'b00 }; + + assign qwen[2:0] = { (wrptr[1:0] == 2'b10) & ifvalid, + (wrptr[1:0] == 2'b01) & ifvalid, + (wrptr[1:0] == 2'b00) & ifvalid }; + + + assign rdptr_in[1:0] = ({2{ qren[0] & ifu_fb_consume1 & ~exu_flush_final}} & 2'b01 ) | + ({2{ qren[1] & ifu_fb_consume1 & ~exu_flush_final}} & 2'b10 ) | + ({2{ qren[2] & ifu_fb_consume1 & ~exu_flush_final}} & 2'b00 ) | + ({2{ qren[0] & ifu_fb_consume2 & ~exu_flush_final}} & 2'b10 ) | + ({2{ qren[1] & ifu_fb_consume2 & ~exu_flush_final}} & 2'b00 ) | + ({2{ qren[2] & ifu_fb_consume2 & ~exu_flush_final}} & 2'b01 ) | + ({2{~ifu_fb_consume1 & ~ifu_fb_consume2 & ~exu_flush_final}} & rdptr[1:0]); + + assign wrptr_in[1:0] = ({2{ qwen[0] & ~exu_flush_final}} & 2'b01 ) | + ({2{ qwen[1] & ~exu_flush_final}} & 2'b10 ) | + ({2{ qwen[2] & ~exu_flush_final}} & 2'b00 ) | + ({2{~ifvalid & ~exu_flush_final}} & wrptr[1:0]); + + + + assign q2off_in = ( ~qwen[2] & (rdptr[1:0]==2'd2) & (q2off | f0_shift_2B) ) | + ( ~qwen[2] & (rdptr[1:0]==2'd1) & (q2off | f1_shift_2B) ) | + ( ~qwen[2] & (rdptr[1:0]==2'd0) & q2off ); + + assign q1off_in = ( ~qwen[1] & (rdptr[1:0]==2'd1) & (q1off | f0_shift_2B) ) | + ( ~qwen[1] & (rdptr[1:0]==2'd0) & (q1off | f1_shift_2B) ) | + ( ~qwen[1] & (rdptr[1:0]==2'd2) & q1off ); + + assign q0off_in = ( ~qwen[0] & (rdptr[1:0]==2'd0) & (q0off | f0_shift_2B) ) | + ( ~qwen[0] & (rdptr[1:0]==2'd2) & (q0off | f1_shift_2B) ) | + ( ~qwen[0] & (rdptr[1:0]==2'd1) & q0off ); + + + + assign q0ptr = ( (rdptr[1:0]==2'b00) & q0off ) | + ( (rdptr[1:0]==2'b01) & q1off ) | + ( (rdptr[1:0]==2'b10) & q2off ); + + assign q1ptr = ( (rdptr[1:0]==2'b00) & q1off ) | + ( (rdptr[1:0]==2'b01) & q2off ) | + ( (rdptr[1:0]==2'b10) & q0off ); + + assign q0sel[1:0] = {q0ptr,~q0ptr}; + + assign q1sel[1:0] = {q1ptr,~q1ptr}; + + // end new queue control logic + + + // misc data that is associated with each fetch buffer + + if(pt.BTB_ENABLE==1) + assign misc_data_in[MHI:0] = { + + ic_access_fault_type_f[1:0], + ifu_bp_btb_target_f[31:1], + ifu_bp_poffset_f[11:0], + ifu_bp_fghr_f[pt.BHT_GHR_SIZE-1:0] + }; + else + assign misc_data_in[MHI:0] = { + ic_access_fault_type_f[1:0] + }; + + + assign {misc1eff[MHI:0],misc0eff[MHI:0]} = (({MSIZE*2{qren[0]}} & {misc1[MHI:0],misc0[MHI:0]}) | + ({MSIZE*2{qren[1]}} & {misc2[MHI:0],misc1[MHI:0]}) | + ({MSIZE*2{qren[2]}} & {misc0[MHI:0],misc2[MHI:0]})); + + if(pt.BTB_ENABLE==1) begin + assign { + f1ictype[1:0], + f1prett[31:1], + f1poffset[11:0], + f1fghr[pt.BHT_GHR_SIZE-1:0] + } = misc1eff[MHI:0]; + + assign { + f0ictype[1:0], + f0prett[31:1], + f0poffset[11:0], + f0fghr[pt.BHT_GHR_SIZE-1:0] + } = misc0eff[MHI:0]; + + if(pt.BTB_FULLYA) begin + assign brdata_in[BRDATA_SIZE-1:0] = { + ifu_bp_fa_index_f[1], iccm_rd_ecc_double_err[1],ic_access_fault_f[1],ifu_bp_hist1_f[1],ifu_bp_hist0_f[1],ifu_bp_pc4_f[1],ifu_bp_way_f[1],ifu_bp_valid_f[1],ifu_bp_ret_f[1], + ifu_bp_fa_index_f[0], iccm_rd_ecc_double_err[0],ic_access_fault_f[0],ifu_bp_hist1_f[0],ifu_bp_hist0_f[0],ifu_bp_pc4_f[0],ifu_bp_way_f[0],ifu_bp_valid_f[0],ifu_bp_ret_f[0] + }; + assign {f0index[1],f0dbecc[1],f0icaf[1],f0hist1[1],f0hist0[1],f0pc4[1],f0way[1],f0brend[1],f0ret[1], + f0index[0],f0dbecc[0],f0icaf[0],f0hist1[0],f0hist0[0],f0pc4[0],f0way[0],f0brend[0],f0ret[0]} = brdata0final[BRDATA_SIZE-1:0]; + + assign {f1index[1],f1dbecc[1],f1icaf[1],f1hist1[1],f1hist0[1],f1pc4[1],f1way[1],f1brend[1],f1ret[1], + f1index[0],f1dbecc[0],f1icaf[0],f1hist1[0],f1hist0[0],f1pc4[0],f1way[0],f1brend[0],f1ret[0]} = brdata1final[BRDATA_SIZE-1:0]; + + end + else begin + assign brdata_in[BRDATA_SIZE-1:0] = { + iccm_rd_ecc_double_err[1],ic_access_fault_f[1],ifu_bp_hist1_f[1],ifu_bp_hist0_f[1],ifu_bp_pc4_f[1],ifu_bp_way_f[1],ifu_bp_valid_f[1],ifu_bp_ret_f[1], + iccm_rd_ecc_double_err[0],ic_access_fault_f[0],ifu_bp_hist1_f[0],ifu_bp_hist0_f[0],ifu_bp_pc4_f[0],ifu_bp_way_f[0],ifu_bp_valid_f[0],ifu_bp_ret_f[0] + }; + assign {f0dbecc[1],f0icaf[1],f0hist1[1],f0hist0[1],f0pc4[1],f0way[1],f0brend[1],f0ret[1], + f0dbecc[0],f0icaf[0],f0hist1[0],f0hist0[0],f0pc4[0],f0way[0],f0brend[0],f0ret[0]} = brdata0final[BRDATA_SIZE-1:0]; + + assign {f1dbecc[1],f1icaf[1],f1hist1[1],f1hist0[1],f1pc4[1],f1way[1],f1brend[1],f1ret[1], + f1dbecc[0],f1icaf[0],f1hist1[0],f1hist0[0],f1pc4[0],f1way[0],f1brend[0],f1ret[0]} = brdata1final[BRDATA_SIZE-1:0]; + + end + + + + + assign {brdata1eff[BRDATA_SIZE-1:0],brdata0eff[BRDATA_SIZE-1:0]} = (({BRDATA_SIZE*2{qren[0]}} & {brdata1[BRDATA_SIZE-1:0],brdata0[BRDATA_SIZE-1:0]}) | + ({BRDATA_SIZE*2{qren[1]}} & {brdata2[BRDATA_SIZE-1:0],brdata1[BRDATA_SIZE-1:0]}) | + ({BRDATA_SIZE*2{qren[2]}} & {brdata0[BRDATA_SIZE-1:0],brdata2[BRDATA_SIZE-1:0]})); + + assign brdata0final[BRDATA_SIZE-1:0] = (({BRDATA_SIZE{q0sel[0]}} & { brdata0eff[2*BRDATA_WIDTH-1:0]}) | + ({BRDATA_SIZE{q0sel[1]}} & {{BRDATA_WIDTH{1'b0}},brdata0eff[BRDATA_SIZE-1:BRDATA_WIDTH]})); + + assign brdata1final[BRDATA_SIZE-1:0] = (({BRDATA_SIZE{q1sel[0]}} & { brdata1eff[2*BRDATA_WIDTH-1:0]}) | + ({BRDATA_SIZE{q1sel[1]}} & {{BRDATA_WIDTH{1'b0}},brdata1eff[BRDATA_SIZE-1:BRDATA_WIDTH]})); + + end // if (pt.BTB_ENABLE==1) + else begin + assign { + f1ictype[1:0] + } = misc1eff[MHI:0]; + + assign { + f0ictype[1:0] + } = misc0eff[MHI:0]; + + assign brdata_in[BRDATA_SIZE-1:0] = { + iccm_rd_ecc_double_err[1],ic_access_fault_f[1], + iccm_rd_ecc_double_err[0],ic_access_fault_f[0] + }; + assign {f0dbecc[1],f0icaf[1], + f0dbecc[0],f0icaf[0]} = brdata0final[BRDATA_SIZE-1:0]; + + assign {f1dbecc[1],f1icaf[1], + f1dbecc[0],f1icaf[0]} = brdata1final[BRDATA_SIZE-1:0]; + + assign {brdata1eff[BRDATA_SIZE-1:0],brdata0eff[BRDATA_SIZE-1:0]} = (({BRDATA_SIZE*2{qren[0]}} & {brdata1[BRDATA_SIZE-1:0],brdata0[BRDATA_SIZE-1:0]}) | + ({BRDATA_SIZE*2{qren[1]}} & {brdata2[BRDATA_SIZE-1:0],brdata1[BRDATA_SIZE-1:0]}) | + ({BRDATA_SIZE*2{qren[2]}} & {brdata0[BRDATA_SIZE-1:0],brdata2[BRDATA_SIZE-1:0]})); + + assign brdata0final[BRDATA_SIZE-1:0] = (({BRDATA_SIZE{q0sel[0]}} & { brdata0eff[2*BRDATA_WIDTH-1:0]}) | + ({BRDATA_SIZE{q0sel[1]}} & {{BRDATA_WIDTH{1'b0}},brdata0eff[BRDATA_SIZE-1:BRDATA_WIDTH]})); + + assign brdata1final[BRDATA_SIZE-1:0] = (({BRDATA_SIZE{q1sel[0]}} & { brdata1eff[2*BRDATA_WIDTH-1:0]}) | + ({BRDATA_SIZE{q1sel[1]}} & {{BRDATA_WIDTH{1'b0}},brdata1eff[BRDATA_SIZE-1:BRDATA_WIDTH]})); + + end // else: !if(pt.BTB_ENABLE==1) + + + // possible states of { sf0_valid, sf1_valid, f2_valid } + // + // 000 if->f0 + // 100 if->f1 + // 101 illegal + // 010 if->f1, f1->f0 + // 110 if->f2 + // 001 if->f1, f2->f0 + // 011 if->f2, f2->f1, f1->f0 + // 111 !if, no shift + + assign f2_valid = f2val[0]; + assign sf1_valid = sf1val[0]; + assign sf0_valid = sf0val[0]; + + // interface to fetch + + assign consume_fb0 = ~sf0val[0] & f0val[0]; + + assign consume_fb1 = ~sf1val[0] & f1val[0]; + + assign ifu_fb_consume1 = consume_fb0 & ~consume_fb1 & ~exu_flush_final; + assign ifu_fb_consume2 = consume_fb0 & consume_fb1 & ~exu_flush_final; + + assign ifvalid = ifu_fetch_val[0]; + + assign shift_f1_f0 = ~sf0_valid & sf1_valid; + assign shift_f2_f0 = ~sf0_valid & ~sf1_valid & f2_valid; + assign shift_f2_f1 = ~sf0_valid & sf1_valid & f2_valid; + + assign fetch_to_f0 = ~sf0_valid & ~sf1_valid & ~f2_valid & ifvalid; + + assign fetch_to_f1 = (~sf0_valid & ~sf1_valid & f2_valid & ifvalid) | + (~sf0_valid & sf1_valid & ~f2_valid & ifvalid) | + ( sf0_valid & ~sf1_valid & ~f2_valid & ifvalid); + + assign fetch_to_f2 = (~sf0_valid & sf1_valid & f2_valid & ifvalid) | + ( sf0_valid & sf1_valid & ~f2_valid & ifvalid); + + + assign f2val_in[1:0] = ({2{ fetch_to_f2 & ~exu_flush_final}} & ifu_fetch_val[1:0]) | + ({2{~fetch_to_f2 & ~shift_f2_f1 & ~shift_f2_f0 & ~exu_flush_final}} & f2val[1:0] ); + + + assign sf1val[1:0] = ({2{ f1_shift_2B}} & {1'b0,f1val[1]}) | + ({2{~f1_shift_2B}} & f1val[1:0] ); + + assign f1val_in[1:0] = ({2{ fetch_to_f1 & ~exu_flush_final}} & ifu_fetch_val[1:0]) | + ({2{ shift_f2_f1 & ~exu_flush_final}} & f2val[1:0] ) | + ({2{~fetch_to_f1 & ~shift_f2_f1 & ~shift_f1_f0 & ~exu_flush_final}} & sf1val[1:0] ); + + + + assign sf0val[1:0] = ({2{ shift_2B }} & {1'b0,f0val[1]}) | + ({2{~shift_2B & ~shift_4B}} & f0val[1:0]); + + assign f0val_in[1:0] = ({2{fetch_to_f0 & ~exu_flush_final}} & ifu_fetch_val[1:0]) | + ({2{ shift_f2_f0 & ~exu_flush_final}} & f2val[1:0] ) | + ({2{ shift_f1_f0 & ~exu_flush_final}} & sf1val[1:0] ) | + ({2{~fetch_to_f0 & ~shift_f2_f0 & ~shift_f1_f0 & ~exu_flush_final}} & sf0val[1:0] ); + + assign {q1eff[31:0],q0eff[31:0]} = (({64{qren[0]}} & {q1[31:0],q0[31:0]}) | + ({64{qren[1]}} & {q2[31:0],q1[31:0]}) | + ({64{qren[2]}} & {q0[31:0],q2[31:0]})); + + assign q0final[31:0] = ({32{q0sel[0]}} & { q0eff[31:0]}) | + ({32{q0sel[1]}} & {16'b0,q0eff[31:16]}); + + assign q1final[15:0] = ({16{q1sel[0]}} & q1eff[15:0] ) | + ({16{q1sel[1]}} & q1eff[31:16]); + logic [31:1] q0pceff, q0pcfinal; + logic [31:1] q1pceff; + + assign {q1pceff[31:1],q0pceff[31:1]} = (({62{qren[0]}} & {q1pc[31:1],q0pc[31:1]}) | + ({62{qren[1]}} & {q2pc[31:1],q1pc[31:1]}) | + ({62{qren[2]}} & {q0pc[31:1],q2pc[31:1]})); + + + assign q0pcfinal[31:1] = ({31{q0sel[0]}} & ( q0pceff[31:1])) | + ({31{q0sel[1]}} & ( q0pceff[31:1] + 31'd1)); + + assign aligndata[31:0] = ({32{ f0val[1] }} & {q0final[31:0]}) | + ({32{~f0val[1] & f0val[0]}} & {q1final[15:0],q0final[15:0]}); + + assign alignval[1:0] = ({ 2{ f0val[1] }} & {2'b11}) | + ({ 2{~f0val[1] & f0val[0]}} & {f1val[0],1'b1}); + + assign alignicaf[1:0] = ({ 2{ f0val[1] }} & f0icaf[1:0] ) | + ({ 2{~f0val[1] & f0val[0]}} & {f1icaf[0],f0icaf[0]}); + + assign aligndbecc[1:0] = ({ 2{ f0val[1] }} & f0dbecc[1:0] ) | + ({ 2{~f0val[1] & f0val[0]}} & {f1dbecc[0],f0dbecc[0]}); + + if (pt.BTB_ENABLE==1) begin + + // for branch prediction + + assign alignbrend[1:0] = ({ 2{ f0val[1] }} & f0brend[1:0] ) | + ({ 2{~f0val[1] & f0val[0]}} & {f1brend[0],f0brend[0]}); + + assign alignpc4[1:0] = ({ 2{ f0val[1] }} & f0pc4[1:0] ) | + ({ 2{~f0val[1] & f0val[0]}} & {f1pc4[0],f0pc4[0]}); + + if(pt.BTB_FULLYA) begin + assign alignindex[0] = f0index[0]; + assign alignindex[1] = f0val[1] ? f0index[1] : f1index[0]; + end + + assign alignret[1:0] = ({ 2{ f0val[1] }} & f0ret[1:0] ) | + ({ 2{~f0val[1] & f0val[0]}} & {f1ret[0],f0ret[0]}); + + assign alignway[1:0] = ({ 2{ f0val[1] }} & f0way[1:0] ) | + ({ 2{~f0val[1] & f0val[0]}} & {f1way[0],f0way[0]}); + + assign alignhist1[1:0] = ({ 2{ f0val[1] }} & f0hist1[1:0] ) | + ({ 2{~f0val[1] & f0val[0]}} & {f1hist1[0],f0hist1[0]}); + + assign alignhist0[1:0] = ({ 2{ f0val[1] }} & f0hist0[1:0] ) | + ({ 2{~f0val[1] & f0val[0]}} & {f1hist0[0],f0hist0[0]}); + + assign secondpc[31:1] = ({31{ f0val[1] }} & (q0pceff[31:1] + 31'd1)) | + // you need the base pc for 2nd one only (4B max, 2B for the 1st and 2B for the 2nd) + ({31{~f0val[1] & f0val[0]}} & q1pceff[31:1] ); + + + assign firstpc[31:1] = q0pcfinal[31:1]; + end // if (pt.BTB_ENABLE==1) + + assign alignfromf1[1] = ~f0val[1] & f0val[0]; + + + assign ifu_i0_pc[31:1] = q0pcfinal[31:1]; + + + assign ifu_i0_pc4 = first4B; + + + assign ifu_i0_cinst[15:0] = aligndata[15:0]; + + assign first4B = (aligndata[1:0] == 2'b11); + assign first2B = ~first4B; + + assign ifu_i0_valid = (first4B & alignval[1]) | + (first2B & alignval[0]); + + // inst access fault on any byte of inst results in access fault for the inst + assign ifu_i0_icaf = (first4B & (|alignicaf[1:0])) | + (first2B & alignicaf[0] ); + + assign ifu_i0_icaf_type[1:0] = (first4B & ~f0val[1] & f0val[0] & ~alignicaf[0] & ~aligndbecc[0]) ? f1ictype[1:0] : f0ictype[1:0]; + + + assign icaf_eff[1:0] = alignicaf[1:0] | aligndbecc[1:0]; + + assign ifu_i0_icaf_second = first4B & ~icaf_eff[0] & icaf_eff[1]; + + assign ifu_i0_dbecc = (first4B & (|aligndbecc[1:0])) | + (first2B & aligndbecc[0] ); + + + assign ifirst[31:0] = aligndata[31:0]; + + + assign ifu_i0_instr[31:0] = ({32{first4B & alignval[1]}} & ifirst[31:0]) | + ({32{first2B & alignval[0]}} & uncompress0[31:0]); + +if(pt.BTB_ENABLE==1) begin + + // if you detect br does not start on instruction boundary + + eb1_btb_addr_hash #(.pt(pt)) firsthash (.pc(firstpc [pt.BTB_INDEX3_HI:pt.BTB_INDEX1_LO]), + .hash(firstpc_hash [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO])); + eb1_btb_addr_hash #(.pt(pt)) secondhash(.pc(secondpc[pt.BTB_INDEX3_HI:pt.BTB_INDEX1_LO]), + .hash(secondpc_hash[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO])); + + if(pt.BTB_FULLYA) begin + assign firstbrtag_hash = firstpc; + assign secondbrtag_hash = secondpc; + end + else begin + if(pt.BTB_BTAG_FOLD) begin : btbfold + eb1_btb_tag_hash_fold #(.pt(pt)) first_brhash (.pc(firstpc [pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1]), + .hash(firstbrtag_hash [pt.BTB_BTAG_SIZE-1:0])); + eb1_btb_tag_hash_fold #(.pt(pt)) second_brhash(.pc(secondpc[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1]), + .hash(secondbrtag_hash[pt.BTB_BTAG_SIZE-1:0])); + end + else begin + eb1_btb_tag_hash #(.pt(pt)) first_brhash (.pc(firstpc [pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1]), + .hash(firstbrtag_hash [pt.BTB_BTAG_SIZE-1:0])); + eb1_btb_tag_hash #(.pt(pt)) second_brhash(.pc(secondpc[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1]), + .hash(secondbrtag_hash[pt.BTB_BTAG_SIZE-1:0])); + end + end // else: !if(pt.BTB_FULLYA) + + + // start_indexing - you want pc to be based on where the end of branch is prediction + // normal indexing pc based that's incorrect now for pc4 cases it's pc4 + 2 + + always_comb begin + + i0_brp = '0; + + i0_br_start_error = (first4B & alignval[1] & alignbrend[0]); + + i0_brp.valid = (first2B & alignbrend[0]) | + (first4B & alignbrend[1]) | + i0_br_start_error; + + i0_brp_pc4 = (first2B & alignpc4[0]) | + (first4B & alignpc4[1]); + + i0_brp.ret = (first2B & alignret[0]) | + (first4B & alignret[1]); + + i0_brp.way = (first2B | alignbrend[0]) ? alignway[0] : alignway[1]; + + i0_brp.hist[1] = (first2B & alignhist1[0]) | + (first4B & alignhist1[1]); + + i0_brp.hist[0] = (first2B & alignhist0[0]) | + (first4B & alignhist0[1]); + + i0_ends_f1 = first4B & alignfromf1[1]; + + i0_brp.toffset[11:0] = (i0_ends_f1) ? f1poffset[11:0] : f0poffset[11:0]; + + i0_brp.prett[31:1] = (i0_ends_f1) ? f1prett[31:1] : f0prett[31:1]; + + i0_brp.br_start_error = i0_br_start_error; + + i0_brp.bank = (first2B | alignbrend[0]) ? firstpc[1] : secondpc[1]; + + i0_brp.br_error = (i0_brp.valid & i0_brp_pc4 & first2B) | + (i0_brp.valid & ~i0_brp_pc4 & first4B); + + if(pt.BTB_FULLYA) + ifu_i0_fa_index = (first2B | alignbrend[0]) ? alignindex[0] : alignindex[1]; + else + ifu_i0_fa_index = '0; + + end + + + assign ifu_i0_bp_index[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] = (first2B | alignbrend[0]) ? firstpc_hash[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] : + secondpc_hash[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]; + + assign ifu_i0_bp_fghr[pt.BHT_GHR_SIZE-1:0] = (i0_ends_f1) ? f1fghr[pt.BHT_GHR_SIZE-1:0] : + f0fghr[pt.BHT_GHR_SIZE-1:0]; + + assign ifu_i0_bp_btag[pt.BTB_BTAG_SIZE-1:0] = (first2B | alignbrend[0]) ? firstbrtag_hash[pt.BTB_BTAG_SIZE-1:0] : + secondbrtag_hash[pt.BTB_BTAG_SIZE-1:0]; +end +else begin + assign i0_brp = '0; + assign ifu_i0_bp_index = '0; + assign ifu_i0_bp_fghr = '0; + assign ifu_i0_bp_btag = '0; +end // else: !if(pt.BTB_ENABLE==1) + + // decompress + + // quiet inputs for 4B inst + eb1_ifu_compress_ctl #(.pt(pt)) compress0 (.din((first2B) ? aligndata[15:0] : '0), .dout(uncompress0[31:0])); + + + + assign i0_shift = dec_i0_decode_d & ~error_stall; + + assign ifu_pmu_instr_aligned = i0_shift; + + + // compute how many bytes are being shifted from f0 + + assign shift_2B = i0_shift & first2B; + + assign shift_4B = i0_shift & first4B; + + // exact equations for the queue logic + assign f0_shift_2B = (shift_2B & f0val[0] ) | + (shift_4B & f0val[0] & ~f0val[1]); + + + // f0 valid states + // 11 + // 10 + // 00 + + assign f1_shift_2B = f0val[0] & ~f0val[1] & shift_4B; + + + +endmodule + +//******************************************************************************** +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** + +//******************************************************************************** +// Function: Branch predictor +// Comments: +// +// +// Bank3 : Bank2 : Bank1 : Bank0 +// FA C 8 4 0 +//******************************************************************************** + +module eb1_ifu_bp_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + + input logic clk, + input logic rst_l, + + input logic ic_hit_f, // Icache hit, enables F address capture + + input logic [31:1] ifc_fetch_addr_f, // look up btb address + input logic ifc_fetch_req_f, // F1 valid + + input eb1_br_tlu_pkt_t dec_tlu_br0_r_pkt, // BP commit update packet, includes errors + input logic [pt.BHT_GHR_SIZE-1:0] exu_i0_br_fghr_r, // fghr to bp + input logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_i0_br_index_r, // bp index + + input logic [$clog2(pt.BTB_SIZE)-1:0] dec_fa_error_index, // Fully associative btb error index + + input logic dec_tlu_flush_lower_wb, // used to move EX4 RS to EX1 and F + input logic dec_tlu_flush_leak_one_wb, // don't hit for leak one fetches + + input logic dec_tlu_bpred_disable, // disable all branch prediction + + input eb1_predict_pkt_t exu_mp_pkt, // mispredict packet + + input logic [pt.BHT_GHR_SIZE-1:0] exu_mp_eghr, // execute ghr (for patching fghr) + input logic [pt.BHT_GHR_SIZE-1:0] exu_mp_fghr, // Mispredict fghr + input logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_mp_index, // Mispredict index + input logic [pt.BTB_BTAG_SIZE-1:0] exu_mp_btag, // Mispredict btag + + input logic exu_flush_final, // all flushes + + output logic ifu_bp_hit_taken_f, // btb hit, select target + output logic [31:1] ifu_bp_btb_target_f, // predicted target PC + output logic ifu_bp_inst_mask_f, // tell ic which valids to kill because of a taken branch, right justified + + output logic [pt.BHT_GHR_SIZE-1:0] ifu_bp_fghr_f, // fetch ghr + + output logic [1:0] ifu_bp_way_f, // way + output logic [1:0] ifu_bp_ret_f, // predicted ret + output logic [1:0] ifu_bp_hist1_f, // history counters for all 4 potential branches, bit 1, right justified + output logic [1:0] ifu_bp_hist0_f, // history counters for all 4 potential branches, bit 0, right justified + output logic [1:0] ifu_bp_pc4_f, // pc4 indication, right justified + output logic [1:0] ifu_bp_valid_f, // branch valid, right justified + output logic [11:0] ifu_bp_poffset_f, // predicted target + + output logic [1:0] [$clog2(pt.BTB_SIZE)-1:0] ifu_bp_fa_index_f, // predicted branch index (fully associative option) + + input logic scan_mode + ); + + + localparam BTB_DWIDTH = pt.BTB_TOFFSET_SIZE+pt.BTB_BTAG_SIZE+5; + localparam BTB_DWIDTH_TOP = int'(pt.BTB_TOFFSET_SIZE)+int'(pt.BTB_BTAG_SIZE)+4; + localparam BTB_FA_INDEX = $clog2(pt.BTB_SIZE)-1; + localparam FA_CMP_LOWER = $clog2(pt.ICACHE_LN_SZ); + localparam FA_TAG_END_UPPER= 5+int'(pt.BTB_TOFFSET_SIZE)+int'(FA_CMP_LOWER)-1; // must cast to int or vcs build fails + localparam FA_TAG_START_LOWER = 3+int'(pt.BTB_TOFFSET_SIZE)+int'(FA_CMP_LOWER); + localparam FA_TAG_END_LOWER = 5+int'(pt.BTB_TOFFSET_SIZE); + + localparam TAG_START=BTB_DWIDTH-1; + localparam PC4=4; + localparam BOFF=3; + localparam CALL=2; + localparam RET=1; + localparam BV=0; + + localparam LRU_SIZE=pt.BTB_ARRAY_DEPTH; + localparam NUM_BHT_LOOP = (pt.BHT_ARRAY_DEPTH > 16 ) ? 16 : pt.BHT_ARRAY_DEPTH; + localparam NUM_BHT_LOOP_INNER_HI = (pt.BHT_ARRAY_DEPTH > 16 ) ?pt.BHT_ADDR_LO+3 : pt.BHT_ADDR_HI; + localparam NUM_BHT_LOOP_OUTER_LO = (pt.BHT_ARRAY_DEPTH > 16 ) ?pt.BHT_ADDR_LO+4 : pt.BHT_ADDR_LO; + localparam BHT_NO_ADDR_MATCH = ( pt.BHT_ARRAY_DEPTH <= 16 ); + + + logic exu_mp_valid_write; + logic exu_mp_ataken; + logic exu_mp_valid; // conditional branch mispredict + logic exu_mp_boffset; // branch offsett + logic exu_mp_pc4; // branch is a 4B inst + logic exu_mp_call; // branch is a call inst + logic exu_mp_ret; // branch is a ret inst + logic exu_mp_ja; // branch is a jump always + logic [1:0] exu_mp_hist; // new history + logic [11:0] exu_mp_tgt; // target offset + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] exu_mp_addr; // BTB/BHT address + logic dec_tlu_br0_v_wb; // WB stage history update + logic [1:0] dec_tlu_br0_hist_wb; // new history + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] dec_tlu_br0_addr_wb; // addr + logic dec_tlu_br0_error_wb; // error; invalidate bank + logic dec_tlu_br0_start_error_wb; // error; invalidate all 4 banks in fg + logic [pt.BHT_GHR_SIZE-1:0] exu_i0_br_fghr_wb; + + logic use_mp_way, use_mp_way_p1; + logic [pt.RET_STACK_SIZE-1:0][31:0] rets_out, rets_in; + logic [pt.RET_STACK_SIZE-1:0] rsenable; + + + logic [11:0] btb_rd_tgt_f; + logic btb_rd_pc4_f, btb_rd_call_f, btb_rd_ret_f; + logic [1:1] bp_total_branch_offset_f; + + logic [31:1] bp_btb_target_adder_f; + logic [31:1] bp_rs_call_target_f; + logic rs_push, rs_pop, rs_hold; + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] btb_rd_addr_p1_f, btb_wr_addr, btb_rd_addr_f; + logic [pt.BTB_BTAG_SIZE-1:0] btb_wr_tag, fetch_rd_tag_f, fetch_rd_tag_p1_f; + logic [BTB_DWIDTH-1:0] btb_wr_data; + logic btb_wr_en_way0, btb_wr_en_way1; + + + logic dec_tlu_error_wb, btb_valid, dec_tlu_br0_middle_wb; + logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] btb_error_addr_wb; + logic branch_error_collision_f, fetch_mp_collision_f, branch_error_collision_p1_f, fetch_mp_collision_p1_f; + + logic branch_error_bank_conflict_f; + logic [pt.BHT_GHR_SIZE-1:0] merged_ghr, fghr_ns, fghr; + logic [1:0] num_valids; + logic [LRU_SIZE-1:0] btb_lru_b0_f, btb_lru_b0_hold, btb_lru_b0_ns, + fetch_wrindex_dec, fetch_wrindex_p1_dec, fetch_wrlru_b0, fetch_wrlru_p1_b0, + mp_wrindex_dec, mp_wrlru_b0; + logic btb_lru_rd_f, btb_lru_rd_p1_f, lru_update_valid_f; + logic tag_match_way0_f, tag_match_way1_f; + logic [1:0] way_raw, bht_dir_f, btb_sel_f, wayhit_f, vwayhit_f, wayhit_p1_f; + logic [1:0] bht_valid_f, bht_force_taken_f; + + logic leak_one_f, leak_one_f_d1; + + logic [LRU_SIZE-1:0][BTB_DWIDTH-1:0] btb_bank0_rd_data_way0_out ; + + logic [LRU_SIZE-1:0][BTB_DWIDTH-1:0] btb_bank0_rd_data_way1_out ; + + logic [BTB_DWIDTH-1:0] btb_bank0_rd_data_way0_f ; + logic [BTB_DWIDTH-1:0] btb_bank0_rd_data_way1_f ; + + logic [BTB_DWIDTH-1:0] btb_bank0_rd_data_way0_p1_f ; + logic [BTB_DWIDTH-1:0] btb_bank0_rd_data_way1_p1_f ; + + logic [BTB_DWIDTH-1:0] btb_vbank0_rd_data_f, btb_vbank1_rd_data_f; + + logic final_h; + logic btb_fg_crossing_f; + logic middle_of_bank; + + + logic [1:0] bht_vbank0_rd_data_f, bht_vbank1_rd_data_f; + logic branch_error_bank_conflict_p1_f; + logic tag_match_way0_p1_f, tag_match_way1_p1_f; + + logic [1:0] btb_vlru_rd_f, fetch_start_f, tag_match_vway1_expanded_f, tag_match_way0_expanded_p1_f, tag_match_way1_expanded_p1_f; + logic [31:2] fetch_addr_p1_f; + + + logic exu_mp_way, exu_mp_way_f, dec_tlu_br0_way_wb, dec_tlu_way_wb; + logic [BTB_DWIDTH-1:0] btb_bank0e_rd_data_f, btb_bank0e_rd_data_p1_f; + + logic [BTB_DWIDTH-1:0] btb_bank0o_rd_data_f; + + logic [1:0] tag_match_way0_expanded_f, tag_match_way1_expanded_f; + + + logic [1:0] bht_bank0_rd_data_f; + logic [1:0] bht_bank1_rd_data_f; + logic [1:0] bht_bank0_rd_data_p1_f; + genvar j, i; + + assign exu_mp_valid = exu_mp_pkt.misp & ~leak_one_f; // conditional branch mispredict + assign exu_mp_boffset = exu_mp_pkt.boffset; // branch offset + assign exu_mp_pc4 = exu_mp_pkt.pc4; // branch is a 4B inst + assign exu_mp_call = exu_mp_pkt.pcall; // branch is a call inst + assign exu_mp_ret = exu_mp_pkt.pret; // branch is a ret inst + assign exu_mp_ja = exu_mp_pkt.pja; // branch is a jump always + assign exu_mp_way = exu_mp_pkt.way; // repl way + assign exu_mp_hist[1:0] = exu_mp_pkt.hist[1:0]; // new history + assign exu_mp_tgt[11:0] = exu_mp_pkt.toffset[11:0] ; // target offset + assign exu_mp_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] = exu_mp_index[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] ; // BTB/BHT address + assign exu_mp_ataken = exu_mp_pkt.ataken; + + + assign dec_tlu_br0_v_wb = dec_tlu_br0_r_pkt.valid; + assign dec_tlu_br0_hist_wb[1:0] = dec_tlu_br0_r_pkt.hist[1:0]; + assign dec_tlu_br0_addr_wb[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] = exu_i0_br_index_r[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]; + assign dec_tlu_br0_error_wb = dec_tlu_br0_r_pkt.br_error; + assign dec_tlu_br0_middle_wb = dec_tlu_br0_r_pkt.middle; + assign dec_tlu_br0_way_wb = dec_tlu_br0_r_pkt.way; + assign dec_tlu_br0_start_error_wb = dec_tlu_br0_r_pkt.br_start_error; + assign exu_i0_br_fghr_wb[pt.BHT_GHR_SIZE-1:0] = exu_i0_br_fghr_r[pt.BHT_GHR_SIZE-1:0]; + + + + + // ---------------------------------------------------------------------- + // READ + // ---------------------------------------------------------------------- + + // hash the incoming fetch PC, first guess at hashing algorithm + eb1_btb_addr_hash #(.pt(pt)) f1hash(.pc(ifc_fetch_addr_f[pt.BTB_INDEX3_HI:pt.BTB_INDEX1_LO]), .hash(btb_rd_addr_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO])); + + + assign fetch_addr_p1_f[31:2] = ifc_fetch_addr_f[31:2] + 30'b1; + eb1_btb_addr_hash #(.pt(pt)) f1hash_p1(.pc(fetch_addr_p1_f[pt.BTB_INDEX3_HI:pt.BTB_INDEX1_LO]), .hash(btb_rd_addr_p1_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO])); + + assign btb_sel_f[1] = ~bht_dir_f[0]; + assign btb_sel_f[0] = bht_dir_f[0]; + + assign fetch_start_f[1:0] = {ifc_fetch_addr_f[1], ~ifc_fetch_addr_f[1]}; + + // Errors colliding with fetches must kill the btb/bht hit. + + assign branch_error_collision_f = dec_tlu_error_wb & (btb_error_addr_wb[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] == btb_rd_addr_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]); + assign branch_error_collision_p1_f = dec_tlu_error_wb & (btb_error_addr_wb[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] == btb_rd_addr_p1_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]); + + assign branch_error_bank_conflict_f = branch_error_collision_f & dec_tlu_error_wb; + assign branch_error_bank_conflict_p1_f = branch_error_collision_p1_f & dec_tlu_error_wb; + + // set on leak one, hold until next flush without leak one + assign leak_one_f = (dec_tlu_flush_leak_one_wb & dec_tlu_flush_lower_wb) | (leak_one_f_d1 & ~dec_tlu_flush_lower_wb); + +logic exu_flush_final_d1; + + if(!pt.BTB_FULLYA) begin + assign fetch_mp_collision_f = ( (exu_mp_btag[pt.BTB_BTAG_SIZE-1:0] == fetch_rd_tag_f[pt.BTB_BTAG_SIZE-1:0]) & + exu_mp_valid & ifc_fetch_req_f & + (exu_mp_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] == btb_rd_addr_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]) + ); + assign fetch_mp_collision_p1_f = ( (exu_mp_btag[pt.BTB_BTAG_SIZE-1:0] == fetch_rd_tag_p1_f[pt.BTB_BTAG_SIZE-1:0]) & + exu_mp_valid & ifc_fetch_req_f & + (exu_mp_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] == btb_rd_addr_p1_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]) + ); + // 2 -way SA, figure out the way hit and mux accordingly + assign tag_match_way0_f = btb_bank0_rd_data_way0_f[BV] & (btb_bank0_rd_data_way0_f[TAG_START:17] == fetch_rd_tag_f[pt.BTB_BTAG_SIZE-1:0]) & + ~(dec_tlu_way_wb & branch_error_bank_conflict_f) & ifc_fetch_req_f & ~leak_one_f; + + assign tag_match_way1_f = btb_bank0_rd_data_way1_f[BV] & (btb_bank0_rd_data_way1_f[TAG_START:17] == fetch_rd_tag_f[pt.BTB_BTAG_SIZE-1:0]) & + ~(dec_tlu_way_wb & branch_error_bank_conflict_f) & ifc_fetch_req_f & ~leak_one_f; + + assign tag_match_way0_p1_f = btb_bank0_rd_data_way0_p1_f[BV] & (btb_bank0_rd_data_way0_p1_f[TAG_START:17] == fetch_rd_tag_p1_f[pt.BTB_BTAG_SIZE-1:0]) & + ~(dec_tlu_way_wb & branch_error_bank_conflict_p1_f) & ifc_fetch_req_f & ~leak_one_f; + + assign tag_match_way1_p1_f = btb_bank0_rd_data_way1_p1_f[BV] & (btb_bank0_rd_data_way1_p1_f[TAG_START:17] == fetch_rd_tag_p1_f[pt.BTB_BTAG_SIZE-1:0]) & + ~(dec_tlu_way_wb & branch_error_bank_conflict_p1_f) & ifc_fetch_req_f & ~leak_one_f; + + + // Both ways could hit, use the offset bit to reorder + + assign tag_match_way0_expanded_f[1:0] = {tag_match_way0_f & (btb_bank0_rd_data_way0_f[BOFF] ^ btb_bank0_rd_data_way0_f[PC4]), + tag_match_way0_f & ~(btb_bank0_rd_data_way0_f[BOFF] ^ btb_bank0_rd_data_way0_f[PC4])}; + + assign tag_match_way1_expanded_f[1:0] = {tag_match_way1_f & (btb_bank0_rd_data_way1_f[BOFF] ^ btb_bank0_rd_data_way1_f[PC4]), + tag_match_way1_f & ~(btb_bank0_rd_data_way1_f[BOFF] ^ btb_bank0_rd_data_way1_f[PC4])}; + + assign tag_match_way0_expanded_p1_f[1:0] = {tag_match_way0_p1_f & (btb_bank0_rd_data_way0_p1_f[BOFF] ^ btb_bank0_rd_data_way0_p1_f[PC4]), + tag_match_way0_p1_f & ~(btb_bank0_rd_data_way0_p1_f[BOFF] ^ btb_bank0_rd_data_way0_p1_f[PC4])}; + + assign tag_match_way1_expanded_p1_f[1:0] = {tag_match_way1_p1_f & (btb_bank0_rd_data_way1_p1_f[BOFF] ^ btb_bank0_rd_data_way1_p1_f[PC4]), + tag_match_way1_p1_f & ~(btb_bank0_rd_data_way1_p1_f[BOFF] ^ btb_bank0_rd_data_way1_p1_f[PC4])}; + + assign wayhit_f[1:0] = tag_match_way0_expanded_f[1:0] | tag_match_way1_expanded_f[1:0]; + assign wayhit_p1_f[1:0] = tag_match_way0_expanded_p1_f[1:0] | tag_match_way1_expanded_p1_f[1:0]; + + assign btb_bank0o_rd_data_f[BTB_DWIDTH-1:0] = ( ({17+pt.BTB_BTAG_SIZE{tag_match_way0_expanded_f[1]}} & btb_bank0_rd_data_way0_f[BTB_DWIDTH-1:0]) | + ({17+pt.BTB_BTAG_SIZE{tag_match_way1_expanded_f[1]}} & btb_bank0_rd_data_way1_f[BTB_DWIDTH-1:0]) ); + assign btb_bank0e_rd_data_f[BTB_DWIDTH-1:0] = ( ({17+pt.BTB_BTAG_SIZE{tag_match_way0_expanded_f[0]}} & btb_bank0_rd_data_way0_f[BTB_DWIDTH-1:0]) | + ({17+pt.BTB_BTAG_SIZE{tag_match_way1_expanded_f[0]}} & btb_bank0_rd_data_way1_f[BTB_DWIDTH-1:0]) ); + + assign btb_bank0e_rd_data_p1_f[BTB_DWIDTH-1:0] = ( ({17+pt.BTB_BTAG_SIZE{tag_match_way0_expanded_p1_f[0]}} & btb_bank0_rd_data_way0_p1_f[BTB_DWIDTH-1:0]) | + ({17+pt.BTB_BTAG_SIZE{tag_match_way1_expanded_p1_f[0]}} & btb_bank0_rd_data_way1_p1_f[BTB_DWIDTH-1:0]) ); + + // virtual bank order + + assign btb_vbank0_rd_data_f[BTB_DWIDTH-1:0] = ( ({17+pt.BTB_BTAG_SIZE{fetch_start_f[0]}} & btb_bank0e_rd_data_f[BTB_DWIDTH-1:0]) | + ({17+pt.BTB_BTAG_SIZE{fetch_start_f[1]}} & btb_bank0o_rd_data_f[BTB_DWIDTH-1:0]) ); + assign btb_vbank1_rd_data_f[BTB_DWIDTH-1:0] = ( ({17+pt.BTB_BTAG_SIZE{fetch_start_f[0]}} & btb_bank0o_rd_data_f[BTB_DWIDTH-1:0]) | + ({17+pt.BTB_BTAG_SIZE{fetch_start_f[1]}} & btb_bank0e_rd_data_p1_f[BTB_DWIDTH-1:0]) ); + + assign way_raw[1:0] = tag_match_vway1_expanded_f[1:0] | (~vwayhit_f[1:0] & btb_vlru_rd_f[1:0]); + + // -------------------------------------------------------------------------------- + // -------------------------------------------------------------------------------- + // update lru + // mp + + // create a onehot lru write vector + assign mp_wrindex_dec[LRU_SIZE-1:0] = {{LRU_SIZE-1{1'b0}},1'b1} << exu_mp_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]; + + // fetch + assign fetch_wrindex_dec[LRU_SIZE-1:0] = {{LRU_SIZE-1{1'b0}},1'b1} << btb_rd_addr_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]; + assign fetch_wrindex_p1_dec[LRU_SIZE-1:0] = {{LRU_SIZE-1{1'b0}},1'b1} << btb_rd_addr_p1_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]; + + assign mp_wrlru_b0[LRU_SIZE-1:0] = mp_wrindex_dec[LRU_SIZE-1:0] & {LRU_SIZE{exu_mp_valid}}; + + + assign btb_lru_b0_hold[LRU_SIZE-1:0] = ~mp_wrlru_b0[LRU_SIZE-1:0] & ~fetch_wrlru_b0[LRU_SIZE-1:0]; + + // Forward the mp lru information to the fetch, avoids multiple way hits later + assign use_mp_way = fetch_mp_collision_f; + assign use_mp_way_p1 = fetch_mp_collision_p1_f; + + assign lru_update_valid_f = (vwayhit_f[0] | vwayhit_f[1]) & ifc_fetch_req_f & ~leak_one_f; + + + assign fetch_wrlru_b0[LRU_SIZE-1:0] = fetch_wrindex_dec[LRU_SIZE-1:0] & + {LRU_SIZE{lru_update_valid_f}}; + assign fetch_wrlru_p1_b0[LRU_SIZE-1:0] = fetch_wrindex_p1_dec[LRU_SIZE-1:0] & + {LRU_SIZE{lru_update_valid_f}}; + + assign btb_lru_b0_ns[LRU_SIZE-1:0] = ( (btb_lru_b0_hold[LRU_SIZE-1:0] & btb_lru_b0_f[LRU_SIZE-1:0]) | + (mp_wrlru_b0[LRU_SIZE-1:0] & {LRU_SIZE{~exu_mp_way}}) | + (fetch_wrlru_b0[LRU_SIZE-1:0] & {LRU_SIZE{tag_match_way0_f}}) | + (fetch_wrlru_p1_b0[LRU_SIZE-1:0] & {LRU_SIZE{tag_match_way0_p1_f}}) ); + + + + assign btb_lru_rd_f = use_mp_way ? exu_mp_way_f : |(fetch_wrindex_dec[LRU_SIZE-1:0] & btb_lru_b0_f[LRU_SIZE-1:0]); + + assign btb_lru_rd_p1_f = use_mp_way_p1 ? exu_mp_way_f : |(fetch_wrindex_p1_dec[LRU_SIZE-1:0] & btb_lru_b0_f[LRU_SIZE-1:0]); + + // rotated + assign btb_vlru_rd_f[1:0] = ( ({2{fetch_start_f[0]}} & {btb_lru_rd_f, btb_lru_rd_f}) | + ({2{fetch_start_f[1]}} & {btb_lru_rd_p1_f, btb_lru_rd_f})); + + assign tag_match_vway1_expanded_f[1:0] = ( ({2{fetch_start_f[0]}} & {tag_match_way1_expanded_f[1:0]}) | + ({2{fetch_start_f[1]}} & {tag_match_way1_expanded_p1_f[0], tag_match_way1_expanded_f[1]}) ); + + + rvdffe #(LRU_SIZE) btb_lru_ff (.*, .en(ifc_fetch_req_f | exu_mp_valid), + .din(btb_lru_b0_ns[(LRU_SIZE)-1:0]), + .dout(btb_lru_b0_f[(LRU_SIZE)-1:0])); + + end // if (!pt.BTB_FULLYA) + // Detect end of cache line and mask as needed + logic eoc_near; + logic eoc_mask; + assign eoc_near = &ifc_fetch_addr_f[pt.ICACHE_BEAT_ADDR_HI:3]; + assign eoc_mask = ~eoc_near| (|(~ifc_fetch_addr_f[2:1])); + + + + // -------------------------------------------------------------------------------- + // -------------------------------------------------------------------------------- + + // mux out critical hit bank for pc computation + // This is only useful for the first taken branch in the fetch group + logic [16:1] btb_sel_data_f; + + assign btb_rd_tgt_f[11:0] = btb_sel_data_f[16:5]; + assign btb_rd_pc4_f = btb_sel_data_f[4]; + assign btb_rd_call_f = btb_sel_data_f[2]; + assign btb_rd_ret_f = btb_sel_data_f[1]; + + assign btb_sel_data_f[16:1] = ( ({16{btb_sel_f[1]}} & btb_vbank1_rd_data_f[16:1]) | + ({16{btb_sel_f[0]}} & btb_vbank0_rd_data_f[16:1]) ); + + + logic [1:0] hist0_raw, hist1_raw, pc4_raw, pret_raw; + + // a valid taken target needs to kill the next fetch as we compute the target address + assign ifu_bp_hit_taken_f = |(vwayhit_f[1:0] & hist1_raw[1:0]) & ifc_fetch_req_f & ~leak_one_f_d1 & ~dec_tlu_bpred_disable; + + + // Don't put calls/rets/ja in the predictor, force the bht taken instead + assign bht_force_taken_f[1:0] = {(btb_vbank1_rd_data_f[CALL] | btb_vbank1_rd_data_f[RET]), + (btb_vbank0_rd_data_f[CALL] | btb_vbank0_rd_data_f[RET])}; + + + // taken and valid, otherwise, branch errors must clear the bht + assign bht_valid_f[1:0] = vwayhit_f[1:0]; + + assign bht_vbank0_rd_data_f[1:0] = ( ({2{fetch_start_f[0]}} & bht_bank0_rd_data_f[1:0]) | + ({2{fetch_start_f[1]}} & bht_bank1_rd_data_f[1:0]) ); + + assign bht_vbank1_rd_data_f[1:0] = ( ({2{fetch_start_f[0]}} & bht_bank1_rd_data_f[1:0]) | + ({2{fetch_start_f[1]}} & bht_bank0_rd_data_p1_f[1:0]) ); + + + assign bht_dir_f[1:0] = {(bht_force_taken_f[1] | bht_vbank1_rd_data_f[1]) & bht_valid_f[1], + (bht_force_taken_f[0] | bht_vbank0_rd_data_f[1]) & bht_valid_f[0]}; + + assign ifu_bp_inst_mask_f = (ifu_bp_hit_taken_f & btb_sel_f[1]) | ~ifu_bp_hit_taken_f; + + + + + // Branch prediction info is sent with the 2byte lane associated with the end of the branch. + // Cases + // BANK1 BANK0 + // ------------------------------- + // | : | : | + // ------------------------------- + // <------------> : PC4 branch, offset, should be in B1 (indicated on [2]) + // <------------> : PC4 branch, no offset, indicate PC4, VALID, HIST on [1] + // <------------> : PC4 branch, offset, indicate PC4, VALID, HIST on [0] + // <------> : PC2 branch, offset, indicate VALID, HIST on [1] + // <------> : PC2 branch, no offset, indicate VALID, HIST on [0] + // + + + + assign hist1_raw[1:0] = bht_force_taken_f[1:0] | {bht_vbank1_rd_data_f[1], + bht_vbank0_rd_data_f[1]}; + + assign hist0_raw[1:0] = {bht_vbank1_rd_data_f[0], + bht_vbank0_rd_data_f[0]}; + + + assign pc4_raw[1:0] = {vwayhit_f[1] & btb_vbank1_rd_data_f[PC4], + vwayhit_f[0] & btb_vbank0_rd_data_f[PC4]}; + + assign pret_raw[1:0] = {vwayhit_f[1] & ~btb_vbank1_rd_data_f[CALL] & btb_vbank1_rd_data_f[RET], + vwayhit_f[0] & ~btb_vbank0_rd_data_f[CALL] & btb_vbank0_rd_data_f[RET]}; + + // GHR + + + // count the valids with masking based on first taken + assign num_valids[1:0] = countones(bht_valid_f[1:0]); + + // Note that the following property holds + // P: prior ghr, H: history bit of last valid branch in line (could be 1 or 0) + // Num valid branches What new GHR must be + // 2 0H + // 1 PH + // 0 PP + + assign final_h = |(btb_sel_f[1:0] & bht_dir_f[1:0]); + + assign merged_ghr[pt.BHT_GHR_SIZE-1:0] = ( + ({pt.BHT_GHR_SIZE{num_valids[1:0] == 2'h2}} & {fghr[pt.BHT_GHR_SIZE-3:0], 1'b0, final_h}) | // 0H + ({pt.BHT_GHR_SIZE{num_valids[1:0] == 2'h1}} & {fghr[pt.BHT_GHR_SIZE-2:0], final_h}) | // PH + ({pt.BHT_GHR_SIZE{num_valids[1:0] == 2'h0}} & {fghr[pt.BHT_GHR_SIZE-1:0]}) ); // PP + + logic [pt.BHT_GHR_SIZE-1:0] exu_flush_ghr; + assign exu_flush_ghr[pt.BHT_GHR_SIZE-1:0] = exu_mp_fghr[pt.BHT_GHR_SIZE-1:0]; + + assign fghr_ns[pt.BHT_GHR_SIZE-1:0] = ( ({pt.BHT_GHR_SIZE{exu_flush_final_d1}} & exu_flush_ghr[pt.BHT_GHR_SIZE-1:0]) | + ({pt.BHT_GHR_SIZE{~exu_flush_final_d1 & ifc_fetch_req_f & ic_hit_f & ~leak_one_f_d1}} & merged_ghr[pt.BHT_GHR_SIZE-1:0]) | + ({pt.BHT_GHR_SIZE{~exu_flush_final_d1 & ~(ifc_fetch_req_f & ic_hit_f & ~leak_one_f_d1)}} & fghr[pt.BHT_GHR_SIZE-1:0])); + + rvdffie #(.WIDTH(pt.BHT_GHR_SIZE+3),.OVERRIDE(1)) fetchghr (.*, + .din ({exu_flush_final, exu_mp_way, leak_one_f, fghr_ns[pt.BHT_GHR_SIZE-1:0]}), + .dout({exu_flush_final_d1, exu_mp_way_f, leak_one_f_d1, fghr[pt.BHT_GHR_SIZE-1:0]})); + + assign ifu_bp_fghr_f[pt.BHT_GHR_SIZE-1:0] = fghr[pt.BHT_GHR_SIZE-1:0]; + + + assign ifu_bp_way_f[1:0] = way_raw[1:0]; + assign ifu_bp_hist1_f[1:0] = hist1_raw[1:0]; + assign ifu_bp_hist0_f[1:0] = hist0_raw[1:0]; + assign ifu_bp_pc4_f[1:0] = pc4_raw[1:0]; + + assign ifu_bp_valid_f[1:0] = vwayhit_f[1:0] & ~{2{dec_tlu_bpred_disable}}; + assign ifu_bp_ret_f[1:0] = pret_raw[1:0]; + + + // compute target + // Form the fetch group offset based on the btb hit location and the location of the branch within the 4 byte chunk + +// .i 5 +// .o 3 +// .ilb bht_dir_f[1] bht_dir_f[0] fetch_start_f[1] fetch_start_f[0] btb_rd_pc4_f +// .ob bloc_f[1] bloc_f[0] use_fa_plus +// .type fr +// +// +// ## rotdir[1:0] fs pc4 off fapl +// -1 01 - 01 0 +// 10 01 - 10 0 +// +// -1 10 - 10 0 +// 10 10 0 01 1 +// 10 10 1 01 0 +logic [1:0] bloc_f; +logic use_fa_plus; +assign bloc_f[1] = (bht_dir_f[0] & ~fetch_start_f[0]) | (~bht_dir_f[0] + & fetch_start_f[0]); +assign bloc_f[0] = (bht_dir_f[0] & fetch_start_f[0]) | (~bht_dir_f[0] + & ~fetch_start_f[0]); +assign use_fa_plus = (~bht_dir_f[0] & ~fetch_start_f[0] & ~btb_rd_pc4_f); + + + + + assign btb_fg_crossing_f = fetch_start_f[0] & btb_sel_f[0] & btb_rd_pc4_f; + + assign bp_total_branch_offset_f = bloc_f[1] ^ btb_rd_pc4_f; + + logic [31:2] adder_pc_in_f, ifc_fetch_adder_prior; + rvdfflie #(.WIDTH(30), .LEFT(19)) faddrf_ff (.*, .en(ifc_fetch_req_f & ~ifu_bp_hit_taken_f & ic_hit_f), .din(ifc_fetch_addr_f[31:2]), .dout(ifc_fetch_adder_prior[31:2])); + + + assign ifu_bp_poffset_f[11:0] = btb_rd_tgt_f[11:0]; + + assign adder_pc_in_f[31:2] = ( ({30{ use_fa_plus}} & fetch_addr_p1_f[31:2]) | + ({30{ btb_fg_crossing_f}} & ifc_fetch_adder_prior[31:2]) | + ({30{~btb_fg_crossing_f & ~use_fa_plus}} & ifc_fetch_addr_f[31:2])); + + rvbradder predtgt_addr (.pc({adder_pc_in_f[31:2], bp_total_branch_offset_f}), + .offset(btb_rd_tgt_f[11:0]), + .dout(bp_btb_target_adder_f[31:1]) + ); + // mux in the return stack address here for a predicted return assuming the RS is valid, quite if no prediction + assign ifu_bp_btb_target_f[31:1] = (({31{btb_rd_ret_f & ~btb_rd_call_f & rets_out[0][0] & ifu_bp_hit_taken_f}} & rets_out[0][31:1]) | + ({31{~(btb_rd_ret_f & ~btb_rd_call_f & rets_out[0][0]) & ifu_bp_hit_taken_f}} & bp_btb_target_adder_f[31:1]) ); + + + // ---------------------------------------------------------------------- + // Return Stack + // ---------------------------------------------------------------------- + + rvbradder rs_addr (.pc({adder_pc_in_f[31:2], bp_total_branch_offset_f}), + .offset({11'b0, ~btb_rd_pc4_f}), + .dout(bp_rs_call_target_f[31:1]) + ); + + assign rs_push = (btb_rd_call_f & ~btb_rd_ret_f & ifu_bp_hit_taken_f); + assign rs_pop = (btb_rd_ret_f & ~btb_rd_call_f & ifu_bp_hit_taken_f); + assign rs_hold = ~rs_push & ~rs_pop; + + + + // Fetch based (bit 0 is a valid) + assign rets_in[0][31:0] = ( ({32{rs_push}} & {bp_rs_call_target_f[31:1], 1'b1}) | // target[31:1], valid + ({32{rs_pop}} & rets_out[1][31:0]) ); + + assign rsenable[0] = ~rs_hold; + + for (i=0; i<pt.RET_STACK_SIZE; i++) begin : retstack + + // for the last entry in the stack, we don't have a pop position + if(i==pt.RET_STACK_SIZE-1) begin + assign rets_in[i][31:0] = rets_out[i-1][31:0]; + assign rsenable[i] = rs_push; + end + else if(i>0) begin + assign rets_in[i][31:0] = ( ({32{rs_push}} & rets_out[i-1][31:0]) | + ({32{rs_pop}} & rets_out[i+1][31:0]) ); + assign rsenable[i] = rs_push | rs_pop; + end + rvdffe #(32) rets_ff (.*, .en(rsenable[i]), .din(rets_in[i][31:0]), .dout(rets_out[i][31:0])); + + end : retstack + + // ---------------------------------------------------------------------- + // WRITE + // ---------------------------------------------------------------------- + + + assign dec_tlu_error_wb = dec_tlu_br0_start_error_wb | dec_tlu_br0_error_wb; + + assign btb_error_addr_wb[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] = dec_tlu_br0_addr_wb[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]; + + assign dec_tlu_way_wb = dec_tlu_br0_way_wb; + + assign btb_valid = exu_mp_valid & ~dec_tlu_error_wb; + + assign btb_wr_tag[pt.BTB_BTAG_SIZE-1:0] = exu_mp_btag[pt.BTB_BTAG_SIZE-1:0]; + + if(!pt.BTB_FULLYA) begin + + if(pt.BTB_BTAG_FOLD) begin : btbfold + eb1_btb_tag_hash_fold #(.pt(pt)) rdtagf (.hash(fetch_rd_tag_f[pt.BTB_BTAG_SIZE-1:0]), + .pc({ifc_fetch_addr_f[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1]})); + eb1_btb_tag_hash_fold #(.pt(pt)) rdtagp1f(.hash(fetch_rd_tag_p1_f[pt.BTB_BTAG_SIZE-1:0]), + .pc({fetch_addr_p1_f[ pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1]})); + end + else begin + eb1_btb_tag_hash #(.pt(pt)) rdtagf(.hash(fetch_rd_tag_f[pt.BTB_BTAG_SIZE-1:0]), + .pc({ifc_fetch_addr_f[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1]})); + eb1_btb_tag_hash #(.pt(pt)) rdtagp1f(.hash(fetch_rd_tag_p1_f[pt.BTB_BTAG_SIZE-1:0]), + .pc({fetch_addr_p1_f[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1]})); + end + + assign btb_wr_en_way0 = ( ({{~exu_mp_way & exu_mp_valid_write & ~dec_tlu_error_wb}}) | + ({{~dec_tlu_way_wb & dec_tlu_error_wb}})); + + assign btb_wr_en_way1 = ( ({{exu_mp_way & exu_mp_valid_write & ~dec_tlu_error_wb}}) | + ({{dec_tlu_way_wb & dec_tlu_error_wb}})); + assign btb_wr_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] = dec_tlu_error_wb ? btb_error_addr_wb[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] : exu_mp_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]; + + + assign vwayhit_f[1:0] = ( ({2{fetch_start_f[0]}} & {wayhit_f[1:0]}) | + ({2{fetch_start_f[1]}} & {wayhit_p1_f[0], wayhit_f[1]})) & {eoc_mask, 1'b1}; + + end // if (!pt.BTB_FULLYA) + + assign btb_wr_data[BTB_DWIDTH-1:0] = {btb_wr_tag[pt.BTB_BTAG_SIZE-1:0], exu_mp_tgt[pt.BTB_TOFFSET_SIZE-1:0], exu_mp_pc4, exu_mp_boffset, + exu_mp_call | exu_mp_ja, exu_mp_ret | exu_mp_ja, btb_valid} ; + + assign exu_mp_valid_write = exu_mp_valid & exu_mp_ataken & ~exu_mp_pkt.valid; + logic [1:0] bht_wr_data0, bht_wr_data2; + logic [1:0] bht_wr_en0, bht_wr_en2; + + assign middle_of_bank = exu_mp_pc4 ^ exu_mp_boffset; + assign bht_wr_en0[1:0] = {2{exu_mp_valid & ~exu_mp_call & ~exu_mp_ret & ~exu_mp_ja}} & {middle_of_bank, ~middle_of_bank}; + assign bht_wr_en2[1:0] = {2{dec_tlu_br0_v_wb}} & {dec_tlu_br0_middle_wb, ~dec_tlu_br0_middle_wb} ; + + // Experiments show this is the best priority scheme for same bank/index writes at the same time. + assign bht_wr_data0[1:0] = exu_mp_hist[1:0]; // lowest priority + assign bht_wr_data2[1:0] = dec_tlu_br0_hist_wb[1:0]; // highest priority + + + + logic [pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] bht_rd_addr_f, bht_rd_addr_p1_f, bht_wr_addr0, bht_wr_addr2; + + logic [pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] mp_hashed, br0_hashed_wb, bht_rd_addr_hashed_f, bht_rd_addr_hashed_p1_f; + eb1_btb_ghr_hash #(.pt(pt)) mpghrhs (.hashin(exu_mp_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]), .ghr(exu_mp_eghr[pt.BHT_GHR_SIZE-1:0]), .hash(mp_hashed[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO])); + eb1_btb_ghr_hash #(.pt(pt)) br0ghrhs (.hashin(dec_tlu_br0_addr_wb[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]), .ghr(exu_i0_br_fghr_wb[pt.BHT_GHR_SIZE-1:0]), .hash(br0_hashed_wb[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO])); + eb1_btb_ghr_hash #(.pt(pt)) fghrhs (.hashin(btb_rd_addr_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]), .ghr(fghr[pt.BHT_GHR_SIZE-1:0]), .hash(bht_rd_addr_hashed_f[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO])); + eb1_btb_ghr_hash #(.pt(pt)) fghrhs_p1 (.hashin(btb_rd_addr_p1_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO]), .ghr(fghr[pt.BHT_GHR_SIZE-1:0]), .hash(bht_rd_addr_hashed_p1_f[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO])); + + assign bht_wr_addr0[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] = mp_hashed[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO]; + assign bht_wr_addr2[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] = br0_hashed_wb[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO]; + assign bht_rd_addr_f[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] = bht_rd_addr_hashed_f[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO]; + assign bht_rd_addr_p1_f[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] = bht_rd_addr_hashed_p1_f[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO]; + + + // ---------------------------------------------------------------------- + // Structures. Using FLOPS + // ---------------------------------------------------------------------- + // BTB + // Entry -> tag[pt.BTB_BTAG_SIZE-1:0], toffset[11:0], pc4, boffset, call, ret, valid + + if(!pt.BTB_FULLYA) begin + + for (j=0 ; j<LRU_SIZE ; j++) begin : BTB_FLOPS + // Way 0 + rvdffe #(17+pt.BTB_BTAG_SIZE) btb_bank0_way0 (.*, + .en(((btb_wr_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] == j) & btb_wr_en_way0)), + .din (btb_wr_data[BTB_DWIDTH-1:0]), + .dout (btb_bank0_rd_data_way0_out[j])); + + // Way 1 + rvdffe #(17+pt.BTB_BTAG_SIZE) btb_bank0_way1 (.*, + .en(((btb_wr_addr[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] == j) & btb_wr_en_way1)), + .din (btb_wr_data[BTB_DWIDTH-1:0]), + .dout (btb_bank0_rd_data_way1_out[j])); + + end + + + always_comb begin : BTB_rd_mux + btb_bank0_rd_data_way0_f[BTB_DWIDTH-1:0] = '0 ; + btb_bank0_rd_data_way1_f[BTB_DWIDTH-1:0] = '0 ; + btb_bank0_rd_data_way0_p1_f[BTB_DWIDTH-1:0] = '0 ; + btb_bank0_rd_data_way1_p1_f[BTB_DWIDTH-1:0] = '0 ; + + for (int j=0; j< LRU_SIZE; j++) begin + if (btb_rd_addr_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] == (pt.BTB_ADDR_HI-pt.BTB_ADDR_LO+1)'(j)) begin + + btb_bank0_rd_data_way0_f[BTB_DWIDTH-1:0] = btb_bank0_rd_data_way0_out[j]; + btb_bank0_rd_data_way1_f[BTB_DWIDTH-1:0] = btb_bank0_rd_data_way1_out[j]; + + end + end + for (int j=0; j< LRU_SIZE; j++) begin + if (btb_rd_addr_p1_f[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] == (pt.BTB_ADDR_HI-pt.BTB_ADDR_LO+1)'(j)) begin + + btb_bank0_rd_data_way0_p1_f[BTB_DWIDTH-1:0] = btb_bank0_rd_data_way0_out[j]; + btb_bank0_rd_data_way1_p1_f[BTB_DWIDTH-1:0] = btb_bank0_rd_data_way1_out[j]; + + end + end + end +end // if (!pt.BTB_FULLYA) + + + + + + if(pt.BTB_FULLYA) begin : fa + + logic found1, hit0, hit1; + logic btb_used_reset, write_used; + logic [$clog2(pt.BTB_SIZE)-1:0] btb_fa_wr_addr0, hit0_index, hit1_index; + + logic [pt.BTB_SIZE-1:0] btb_tag_hit, btb_offset_0, btb_offset_1, btb_used_ns, btb_used, + wr0_en, btb_upper_hit; + logic [pt.BTB_SIZE-1:0][BTB_DWIDTH-1:0] btbdata; + + // Fully Associative tag hash uses bits 31:3. Bits 2:1 are the offset bits used for the 4 tag comp banks + // Full tag used to speed up lookup. There is one 31:3 cmp per entry, and 4 2:1 cmps per entry. + + logic [FA_CMP_LOWER-1:1] ifc_fetch_addr_p1_f; + + + assign ifc_fetch_addr_p1_f[FA_CMP_LOWER-1:1] = ifc_fetch_addr_f[FA_CMP_LOWER-1:1] + 1'b1; + + assign fetch_mp_collision_f = ( (exu_mp_btag[pt.BTB_BTAG_SIZE-1:0] == ifc_fetch_addr_f[31:1]) & + exu_mp_valid & ifc_fetch_req_f & ~exu_mp_pkt.way); + assign fetch_mp_collision_p1_f = ( (exu_mp_btag[pt.BTB_BTAG_SIZE-1:0] == {ifc_fetch_addr_f[31:FA_CMP_LOWER], ifc_fetch_addr_p1_f[FA_CMP_LOWER-1:1]}) & + exu_mp_valid & ifc_fetch_req_f & ~exu_mp_pkt.way); + + always_comb begin + btb_vbank0_rd_data_f = '0; + btb_vbank1_rd_data_f = '0; + btb_tag_hit = '0; + btb_upper_hit = '0; + btb_offset_0 = '0; + btb_offset_1 = '0; + + found1 = 1'b0; + hit0 = 1'b0; + hit1 = 1'b0; + hit0_index = '0; + hit1_index = '0; + btb_fa_wr_addr0 = '0; + + for(int i=0; i<pt.BTB_SIZE; i++) begin + // Break the cmp into chunks for lower area. + // Chunk1: FA 31:6 or 31:5 depending on icache line size + // Chunk2: FA 5:1 or 4:1 depending on icache line size + btb_upper_hit[i] = (btbdata[i][BTB_DWIDTH_TOP:FA_TAG_END_UPPER] == ifc_fetch_addr_f[31:FA_CMP_LOWER]) & btbdata[i][0] & ~wr0_en[i]; + btb_offset_0[i] = (btbdata[i][FA_TAG_START_LOWER:FA_TAG_END_LOWER] == ifc_fetch_addr_f[FA_CMP_LOWER-1:1]) & btb_upper_hit[i]; + btb_offset_1[i] = (btbdata[i][FA_TAG_START_LOWER:FA_TAG_END_LOWER] == ifc_fetch_addr_p1_f[FA_CMP_LOWER-1:1]) & btb_upper_hit[i]; + + if(~hit0) begin + if(btb_offset_0[i]) begin + hit0_index[BTB_FA_INDEX:0] = (BTB_FA_INDEX+1)'(i); + // hit unless we are also writing this entry at the same time + hit0 = 1'b1; + end + end + if(~hit1) begin + if(btb_offset_1[i]) begin + hit1_index[BTB_FA_INDEX:0] = (BTB_FA_INDEX+1)'(i); + hit1 = 1'b1; + end + end + + + // Mux out the 2 potential branches + if(btb_offset_0[i] == 1'b1) + btb_vbank0_rd_data_f[BTB_DWIDTH-1:0] = fetch_mp_collision_f ? btb_wr_data : btbdata[i]; + if(btb_offset_1[i] == 1'b1) + btb_vbank1_rd_data_f[BTB_DWIDTH-1:0] = fetch_mp_collision_p1_f ? btb_wr_data : btbdata[i]; + + // find the first zero from bit zero in the used vector, this is the write address + if(~found1) begin + if(~btb_used[i]) begin + btb_fa_wr_addr0[BTB_FA_INDEX:0] = i[BTB_FA_INDEX:0]; + found1 = 1'b1; + end + end + end + end // always_comb begin + + + assign vwayhit_f[1:0] = {hit1, hit0} & {eoc_mask, 1'b1}; + + // way bit is reused as the predicted bit + assign way_raw[1:0] = vwayhit_f[1:0] | {fetch_mp_collision_p1_f, fetch_mp_collision_f}; + + for (j=0 ; j<pt.BTB_SIZE ; j++) begin : BTB_FAFLOPS + + assign wr0_en[j] = ((btb_fa_wr_addr0[BTB_FA_INDEX:0] == j) & (exu_mp_valid_write & ~exu_mp_pkt.way)) | + ((dec_fa_error_index == j) & dec_tlu_error_wb); + + rvdffe #(BTB_DWIDTH) btb_fa (.*, .clk(clk), + .en (wr0_en[j]), + .din (btb_wr_data[BTB_DWIDTH-1:0]), + .dout(btbdata[j])); + end // block: BTB_FAFLOPS + + assign ifu_bp_fa_index_f[1] = hit1 ? hit1_index : '0; + assign ifu_bp_fa_index_f[0] = hit0 ? hit0_index : '0; + + assign btb_used_reset = &btb_used[pt.BTB_SIZE-1:0]; + assign btb_used_ns[pt.BTB_SIZE-1:0] = ({pt.BTB_SIZE{vwayhit_f[1]}} & (32'b1 << hit1_index[BTB_FA_INDEX:0])) | + ({pt.BTB_SIZE{vwayhit_f[0]}} & (32'b1 << hit0_index[BTB_FA_INDEX:0])) | + ({pt.BTB_SIZE{exu_mp_valid_write & ~exu_mp_pkt.way & ~dec_tlu_error_wb}} & (32'b1 << btb_fa_wr_addr0[BTB_FA_INDEX:0])) | + ({pt.BTB_SIZE{btb_used_reset}} & {pt.BTB_SIZE{1'b0}}) | + ({pt.BTB_SIZE{~btb_used_reset & dec_tlu_error_wb}} & (btb_used[pt.BTB_SIZE-1:0] & ~(32'b1 << dec_fa_error_index[BTB_FA_INDEX:0]))) | + (~{pt.BTB_SIZE{btb_used_reset | dec_tlu_error_wb}} & btb_used[pt.BTB_SIZE-1:0]); + + assign write_used = btb_used_reset | ifu_bp_hit_taken_f | exu_mp_valid_write | dec_tlu_error_wb; + + + rvdffe #(pt.BTB_SIZE) btb_usedf (.*, .clk(clk), + .en (write_used), + .din (btb_used_ns[pt.BTB_SIZE-1:0]), + .dout(btb_used[pt.BTB_SIZE-1:0])); + +end // block: fa + + + //----------------------------------------------------------------------------- + // BHT + // 2 bit Entry -> direction, strength + // + //----------------------------------------------------------------------------- + + logic [1:0] [(pt.BHT_ARRAY_DEPTH/NUM_BHT_LOOP)-1:0][NUM_BHT_LOOP-1:0][1:0] bht_bank_wr_data ; + logic [1:0] [pt.BHT_ARRAY_DEPTH-1:0] [1:0] bht_bank_rd_data_out ; + logic [1:0] [(pt.BHT_ARRAY_DEPTH/NUM_BHT_LOOP)-1:0] bht_bank_clken ; + logic [1:0] [(pt.BHT_ARRAY_DEPTH/NUM_BHT_LOOP)-1:0] bht_bank_clk ; + logic [1:0] [(pt.BHT_ARRAY_DEPTH/NUM_BHT_LOOP)-1:0][NUM_BHT_LOOP-1:0] bht_bank_sel ; + + for ( i=0; i<2; i++) begin : BANKS + for (genvar k=0 ; k < (pt.BHT_ARRAY_DEPTH)/NUM_BHT_LOOP ; k++) begin : BHT_CLK_GROUP + assign bht_bank_clken[i][k] = (bht_wr_en0[i] & ((bht_wr_addr0[pt.BHT_ADDR_HI: NUM_BHT_LOOP_OUTER_LO]==k) | BHT_NO_ADDR_MATCH)) | + (bht_wr_en2[i] & ((bht_wr_addr2[pt.BHT_ADDR_HI: NUM_BHT_LOOP_OUTER_LO]==k) | BHT_NO_ADDR_MATCH)); + + rvclkhdr bht_bank_grp_cgc ( .en(bht_bank_clken[i][k]), .l1clk(bht_bank_clk[i][k]), .* ); // ifndef RV_FPGA_OPTIMIZE + + + for (j=0 ; j<NUM_BHT_LOOP ; j++) begin : BHT_FLOPS + assign bht_bank_sel[i][k][j] = (bht_wr_en0[i] & (bht_wr_addr0[NUM_BHT_LOOP_INNER_HI :pt.BHT_ADDR_LO] == j) & ((bht_wr_addr0[pt.BHT_ADDR_HI: NUM_BHT_LOOP_OUTER_LO]==k) | BHT_NO_ADDR_MATCH)) | + (bht_wr_en2[i] & (bht_wr_addr2[NUM_BHT_LOOP_INNER_HI :pt.BHT_ADDR_LO] == j) & ((bht_wr_addr2[pt.BHT_ADDR_HI: NUM_BHT_LOOP_OUTER_LO]==k) | BHT_NO_ADDR_MATCH)) ; + + assign bht_bank_wr_data[i][k][j] = (bht_wr_en2[i] & (bht_wr_addr2[NUM_BHT_LOOP_INNER_HI:pt.BHT_ADDR_LO] == j) & ((bht_wr_addr2[pt.BHT_ADDR_HI: NUM_BHT_LOOP_OUTER_LO]==k) | BHT_NO_ADDR_MATCH)) ? bht_wr_data2[1:0] : + bht_wr_data0[1:0] ; + + + rvdffs_fpga #(2) bht_bank (.*, + .clk (bht_bank_clk[i][k]), + .en (bht_bank_sel[i][k][j]), + .rawclk (clk), + .clken (bht_bank_sel[i][k][j]), + .din (bht_bank_wr_data[i][k][j]), + .dout (bht_bank_rd_data_out[i][(16*k)+j])); + + end // block: BHT_FLOPS + end // block: BHT_CLK_GROUP + end // block: BANKS + + always_comb begin : BHT_rd_mux + bht_bank0_rd_data_f[1:0] = '0 ; + bht_bank1_rd_data_f[1:0] = '0 ; + bht_bank0_rd_data_p1_f[1:0] = '0 ; + for (int j=0; j< pt.BHT_ARRAY_DEPTH; j++) begin + if (bht_rd_addr_f[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] == (pt.BHT_ADDR_HI-pt.BHT_ADDR_LO+1)'(j)) begin + bht_bank0_rd_data_f[1:0] = bht_bank_rd_data_out[0][j]; + bht_bank1_rd_data_f[1:0] = bht_bank_rd_data_out[1][j]; + end + if (bht_rd_addr_p1_f[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] == (pt.BHT_ADDR_HI-pt.BHT_ADDR_LO+1)'(j)) begin + bht_bank0_rd_data_p1_f[1:0] = bht_bank_rd_data_out[0][j]; + end + end + end // block: BHT_rd_mux + + +function [1:0] countones; + input [1:0] valid; + + begin + +countones[1:0] = {2'b0, valid[1]} + + {2'b0, valid[0]}; + end + endfunction +endmodule // eb1_ifu_bp_ctl + +//******************************************************************************** +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** + +// purpose of this file is to convert 16b RISCV compressed instruction into 32b equivalent + +module eb1_ifu_compress_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic [15:0] din, // 16-bit compressed instruction + output logic [31:0] dout // 32-bit uncompressed instruction + ); + + + logic legal; + + logic [15:0] i; + + logic [31:0] o,l1,l2,l3; + + + assign i[15:0] = din[15:0]; + + + logic [4:0] rs2d,rdd,rdpd,rs2pd; + + logic rdrd; + logic rdrs1; + logic rs2rs2; + logic rdprd; + logic rdprs1; + logic rs2prs2; + logic rs2prd; + logic uimm9_2; + logic ulwimm6_2; + logic ulwspimm7_2; + logic rdeq2; + logic rdeq1; + logic rs1eq2; + logic sbroffset8_1; + logic simm9_4; + logic simm5_0; + logic sjaloffset11_1; + logic sluimm17_12; + logic uimm5_0; + logic uswimm6_2; + logic uswspimm7_2; + + + + // form the opcodes + + // formats + // + // c.add rd 11:7 rs2 6:2 + // c.and rdp 9:7 rs2p 4:2 + // + // add rs2 24:20 rs1 19:15 rd 11:7 + + assign rs2d[4:0] = i[6:2]; + + assign rdd[4:0] = i[11:7]; + + assign rdpd[4:0] = {2'b01, i[9:7]}; + + assign rs2pd[4:0] = {2'b01, i[4:2]}; + + + + // merge in rd, rs1, rs2 + + + // rd + assign l1[6:0] = o[6:0]; + + assign l1[11:7] = o[11:7] | + ({5{rdrd}} & rdd[4:0]) | + ({5{rdprd}} & rdpd[4:0]) | + ({5{rs2prd}} & rs2pd[4:0]) | + ({5{rdeq1}} & 5'd1) | + ({5{rdeq2}} & 5'd2); + + + // rs1 + assign l1[14:12] = o[14:12]; + assign l1[19:15] = o[19:15] | + ({5{rdrs1}} & rdd[4:0]) | + ({5{rdprs1}} & rdpd[4:0]) | + ({5{rs1eq2}} & 5'd2); + + + // rs2 + assign l1[24:20] = o[24:20] | + ({5{rs2rs2}} & rs2d[4:0]) | + ({5{rs2prs2}} & rs2pd[4:0]); + + assign l1[31:25] = o[31:25]; + + logic [5:0] simm5d; + logic [9:2] uimm9d; + + logic [9:4] simm9d; + logic [6:2] ulwimm6d; + logic [7:2] ulwspimm7d; + logic [5:0] uimm5d; + logic [20:1] sjald; + + logic [31:12] sluimmd; + + // merge in immediates + jal offset + + assign simm5d[5:0] = { i[12], i[6:2] }; + + assign uimm9d[9:2] = { i[10:7], i[12:11], i[5], i[6] }; + + assign simm9d[9:4] = { i[12], i[4:3], i[5], i[2], i[6] }; + + assign ulwimm6d[6:2] = { i[5], i[12:10], i[6] }; + + assign ulwspimm7d[7:2] = { i[3:2], i[12], i[6:4] }; + + assign uimm5d[5:0] = { i[12], i[6:2] }; + + assign sjald[11:1] = { i[12], i[8], i[10:9], i[6], i[7], i[2], i[11], i[5:4], i[3] }; + + assign sjald[20:12] = {9{i[12]}}; + + + + assign sluimmd[31:12] = { {15{i[12]}}, i[6:2] }; + + + assign l2[31:20] = ( l1[31:20] ) | + ( {12{simm5_0}} & {{7{simm5d[5]}},simm5d[4:0]} ) | + ( {12{uimm9_2}} & {2'b0,uimm9d[9:2],2'b0} ) | + ( {12{simm9_4}} & {{3{simm9d[9]}},simm9d[8:4],4'b0} ) | + ( {12{ulwimm6_2}} & {5'b0,ulwimm6d[6:2],2'b0} ) | + ( {12{ulwspimm7_2}} & {4'b0,ulwspimm7d[7:2],2'b0} ) | + ( {12{uimm5_0}} & {6'b0,uimm5d[5:0]} ) | + ( {12{sjaloffset11_1}} & {sjald[20],sjald[10:1],sjald[11]} ) | + ( {12{sluimm17_12}} & sluimmd[31:20] ); + + + + assign l2[19:12] = ( l1[19:12] ) | + ( {8{sjaloffset11_1}} & sjald[19:12] ) | + ( {8{sluimm17_12}} & sluimmd[19:12] ); + + + assign l2[11:0] = l1[11:0]; + + + // merge in branch offset and store immediates + + logic [8:1] sbr8d; + logic [6:2] uswimm6d; + logic [7:2] uswspimm7d; + + + assign sbr8d[8:1] = { i[12], i[6], i[5], i[2], i[11], i[10], i[4], i[3] }; + + assign uswimm6d[6:2] = { i[5], i[12:10], i[6] }; + + assign uswspimm7d[7:2] = { i[8:7], i[12:9] }; + + assign l3[31:25] = ( l2[31:25] ) | + ( {7{sbroffset8_1}} & { {4{sbr8d[8]}},sbr8d[7:5] } ) | + ( {7{uswimm6_2}} & { 5'b0, uswimm6d[6:5] } ) | + ( {7{uswspimm7_2}} & { 4'b0, uswspimm7d[7:5] } ); + + + assign l3[24:12] = l2[24:12]; + + assign l3[11:7] = ( l2[11:7] ) | + ( {5{sbroffset8_1}} & { sbr8d[4:1], sbr8d[8] } ) | + ( {5{uswimm6_2}} & { uswimm6d[4:2], 2'b0 } ) | + ( {5{uswspimm7_2}} & { uswspimm7d[4:2], 2'b0 } ); + + assign l3[6:0] = l2[6:0]; + + + assign dout[31:0] = l3[31:0] & {32{legal}}; + + +// file "cdecode" is human readable file that has all of the compressed instruction decodes defined and is part of git repo +// modify this file as needed + +// to generate all the equations below from "cdecode" except legal equation: + +// 1) coredecode -in cdecode > cdecode.e + +// 2) espresso -Dso -oeqntott cdecode.e | addassign > compress_equations + +// to generate the legal (16b compressed instruction is legal) equation below: + +// 1) coredecode -in cdecode -legal > clegal.e + +// 2) espresso -Dso -oeqntott clegal.e | addassign > clegal_equation + + + + + +// espresso decodes +assign rdrd = (!i[14]&i[6]&i[1]) | (!i[15]&i[14]&i[11]&i[0]) | (!i[14]&i[5]&i[1]) | ( + !i[15]&i[14]&i[10]&i[0]) | (!i[14]&i[4]&i[1]) | (!i[15]&i[14]&i[9] + &i[0]) | (!i[14]&i[3]&i[1]) | (!i[15]&i[14]&!i[8]&i[0]) | (!i[14] + &i[2]&i[1]) | (!i[15]&i[14]&i[7]&i[0]) | (!i[15]&i[1]) | (!i[15] + &!i[13]&i[0]); + +assign rdrs1 = (!i[14]&i[12]&i[11]&i[1]) | (!i[14]&i[12]&i[10]&i[1]) | (!i[14] + &i[12]&i[9]&i[1]) | (!i[14]&i[12]&i[8]&i[1]) | (!i[14]&i[12]&i[7] + &i[1]) | (!i[14]&!i[12]&!i[6]&!i[5]&!i[4]&!i[3]&!i[2]&i[1]) | (!i[14] + &i[12]&i[6]&i[1]) | (!i[14]&i[12]&i[5]&i[1]) | (!i[14]&i[12]&i[4] + &i[1]) | (!i[14]&i[12]&i[3]&i[1]) | (!i[14]&i[12]&i[2]&i[1]) | ( + !i[15]&!i[14]&!i[13]&i[0]) | (!i[15]&!i[14]&i[1]); + +assign rs2rs2 = (i[15]&i[6]&i[1]) | (i[15]&i[5]&i[1]) | (i[15]&i[4]&i[1]) | ( + i[15]&i[3]&i[1]) | (i[15]&i[2]&i[1]) | (i[15]&i[14]&i[1]); + +assign rdprd = (i[15]&!i[14]&!i[13]&i[0]); + +assign rdprs1 = (i[15]&!i[13]&i[0]) | (i[15]&i[14]&i[0]) | (i[14]&!i[1]&!i[0]); + +assign rs2prs2 = (i[15]&!i[14]&!i[13]&i[11]&i[10]&i[0]) | (i[15]&!i[1]&!i[0]); + +assign rs2prd = (!i[15]&!i[1]&!i[0]); + +assign uimm9_2 = (!i[14]&!i[1]&!i[0]); + +assign ulwimm6_2 = (!i[15]&i[14]&!i[1]&!i[0]); + +assign ulwspimm7_2 = (!i[15]&i[14]&i[1]); + +assign rdeq2 = (!i[15]&i[14]&i[13]&!i[11]&!i[10]&!i[9]&i[8]&!i[7]); + +assign rdeq1 = (!i[14]&i[12]&i[11]&!i[6]&!i[5]&!i[4]&!i[3]&!i[2]&i[1]) | (!i[14] + &i[12]&i[10]&!i[6]&!i[5]&!i[4]&!i[3]&!i[2]&i[1]) | (!i[14]&i[12]&i[9] + &!i[6]&!i[5]&!i[4]&!i[3]&!i[2]&i[1]) | (!i[14]&i[12]&i[8]&!i[6]&!i[5] + &!i[4]&!i[3]&!i[2]&i[1]) | (!i[14]&i[12]&i[7]&!i[6]&!i[5]&!i[4]&!i[3] + &!i[2]&i[1]) | (!i[15]&!i[14]&i[13]); + +assign rs1eq2 = (!i[15]&i[14]&i[13]&!i[11]&!i[10]&!i[9]&i[8]&!i[7]) | (i[14] + &i[1]) | (!i[14]&!i[1]&!i[0]); + +assign sbroffset8_1 = (i[15]&i[14]&i[0]); + +assign simm9_4 = (!i[15]&i[14]&i[13]&!i[11]&!i[10]&!i[9]&i[8]&!i[7]); + +assign simm5_0 = (!i[14]&!i[13]&i[11]&!i[10]&i[0]) | (!i[15]&!i[13]&i[0]); + +assign sjaloffset11_1 = (!i[14]&i[13]); + +assign sluimm17_12 = (!i[15]&i[14]&i[13]&i[7]) | (!i[15]&i[14]&i[13]&!i[8]) | ( + !i[15]&i[14]&i[13]&i[9]) | (!i[15]&i[14]&i[13]&i[10]) | (!i[15]&i[14] + &i[13]&i[11]); + +assign uimm5_0 = (i[15]&!i[14]&!i[13]&!i[11]&i[0]) | (!i[15]&!i[14]&i[1]); + +assign uswimm6_2 = (i[15]&!i[1]&!i[0]); + +assign uswspimm7_2 = (i[15]&i[14]&i[1]); + +assign o[31] = 1'b0; + +assign o[30] = (i[15]&!i[14]&!i[13]&i[10]&!i[6]&!i[5]&i[0]) | (i[15]&!i[14] + &!i[13]&!i[11]&i[10]&i[0]); + +assign o[29] = 1'b0; + +assign o[28] = 1'b0; + +assign o[27] = 1'b0; + +assign o[26] = 1'b0; + +assign o[25] = 1'b0; + +assign o[24] = 1'b0; + +assign o[23] = 1'b0; + +assign o[22] = 1'b0; + +assign o[21] = 1'b0; + +assign o[20] = (!i[14]&i[12]&!i[11]&!i[10]&!i[9]&!i[8]&!i[7]&!i[6]&!i[5]&!i[4] + &!i[3]&!i[2]&i[1]); + +assign o[19] = 1'b0; + +assign o[18] = 1'b0; + +assign o[17] = 1'b0; + +assign o[16] = 1'b0; + +assign o[15] = 1'b0; + +assign o[14] = (i[15]&!i[14]&!i[13]&!i[11]&i[0]) | (i[15]&!i[14]&!i[13]&!i[10] + &i[0]) | (i[15]&!i[14]&!i[13]&i[6]&i[0]) | (i[15]&!i[14]&!i[13]&i[5] + &i[0]); + +assign o[13] = (i[15]&!i[14]&!i[13]&i[11]&!i[10]&i[0]) | (i[15]&!i[14]&!i[13] + &i[11]&i[6]&i[0]) | (i[14]&!i[0]); + +assign o[12] = (i[15]&!i[14]&!i[13]&i[6]&i[5]&i[0]) | (i[15]&!i[14]&!i[13]&!i[11] + &i[0]) | (i[15]&!i[14]&!i[13]&!i[10]&i[0]) | (!i[15]&!i[14]&i[1]) | ( + i[15]&i[14]&i[13]); + +assign o[11] = 1'b0; + +assign o[10] = 1'b0; + +assign o[9] = 1'b0; + +assign o[8] = 1'b0; + +assign o[7] = 1'b0; + +assign o[6] = (i[15]&!i[14]&!i[6]&!i[5]&!i[4]&!i[3]&!i[2]&!i[0]) | (!i[14]&i[13]) | ( + i[15]&i[14]&i[0]); + +assign o[5] = (i[15]&!i[0]) | (i[15]&i[11]&i[10]) | (i[13]&!i[8]) | (i[13]&i[7]) | ( + i[13]&i[9]) | (i[13]&i[10]) | (i[13]&i[11]) | (!i[14]&i[13]) | ( + i[15]&i[14]); + +assign o[4] = (!i[14]&!i[11]&!i[10]&!i[9]&!i[8]&!i[7]&!i[0]) | (!i[15]&!i[14] + &!i[0]) | (!i[14]&i[6]&!i[0]) | (!i[15]&i[14]&i[0]) | (!i[14]&i[5] + &!i[0]) | (!i[14]&i[4]&!i[0]) | (!i[14]&!i[13]&i[0]) | (!i[14]&i[3] + &!i[0]) | (!i[14]&i[2]&!i[0]); + +assign o[3] = (!i[14]&i[13]); + +assign o[2] = (!i[14]&i[12]&i[11]&!i[6]&!i[5]&!i[4]&!i[3]&!i[2]&i[1]) | (!i[14] + &i[12]&i[10]&!i[6]&!i[5]&!i[4]&!i[3]&!i[2]&i[1]) | (!i[14]&i[12]&i[9] + &!i[6]&!i[5]&!i[4]&!i[3]&!i[2]&i[1]) | (!i[14]&i[12]&i[8]&!i[6]&!i[5] + &!i[4]&!i[3]&!i[2]&i[1]) | (!i[14]&i[12]&i[7]&!i[6]&!i[5]&!i[4]&!i[3] + &!i[2]&i[1]) | (i[15]&!i[14]&!i[12]&!i[6]&!i[5]&!i[4]&!i[3]&!i[2] + &!i[0]) | (!i[15]&i[13]&!i[8]) | (!i[15]&i[13]&i[7]) | (!i[15]&i[13] + &i[9]) | (!i[15]&i[13]&i[10]) | (!i[15]&i[13]&i[11]) | (!i[14]&i[13]); + +// 32b instruction has lower two bits 2'b11 + +assign o[1] = 1'b1; + +assign o[0] = 1'b1; + +assign legal = (!i[13]&!i[12]&i[11]&i[1]&!i[0]) | (!i[13]&!i[12]&i[6]&i[1]&!i[0]) | ( + !i[15]&!i[13]&i[11]&!i[1]) | (!i[13]&!i[12]&i[5]&i[1]&!i[0]) | ( + !i[13]&!i[12]&i[10]&i[1]&!i[0]) | (!i[15]&!i[13]&i[6]&!i[1]) | ( + i[15]&!i[12]&!i[1]&i[0]) | (!i[13]&!i[12]&i[9]&i[1]&!i[0]) | (!i[12] + &i[6]&!i[1]&i[0]) | (!i[15]&!i[13]&i[5]&!i[1]) | (!i[13]&!i[12]&i[8] + &i[1]&!i[0]) | (!i[12]&i[5]&!i[1]&i[0]) | (!i[15]&!i[13]&i[10]&!i[1]) | ( + !i[13]&!i[12]&i[7]&i[1]&!i[0]) | (i[12]&i[11]&!i[10]&!i[1]&i[0]) | ( + !i[15]&!i[13]&i[9]&!i[1]) | (!i[13]&!i[12]&i[4]&i[1]&!i[0]) | (i[13] + &i[12]&!i[1]&i[0]) | (!i[15]&!i[13]&i[8]&!i[1]) | (!i[13]&!i[12]&i[3] + &i[1]&!i[0]) | (i[13]&i[4]&!i[1]&i[0]) | (!i[13]&!i[12]&i[2]&i[1] + &!i[0]) | (!i[15]&!i[13]&i[7]&!i[1]) | (i[13]&i[3]&!i[1]&i[0]) | ( + i[13]&i[2]&!i[1]&i[0]) | (i[14]&!i[13]&!i[1]) | (!i[14]&!i[12]&!i[1] + &i[0]) | (i[15]&!i[13]&i[12]&i[1]&!i[0]) | (!i[15]&!i[13]&!i[12]&i[1] + &!i[0]) | (!i[15]&!i[13]&i[12]&!i[1]) | (i[14]&!i[13]&!i[0]); + + + + +endmodule + +//******************************************************************************** +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** + +//******************************************************************************** +// Icache closely coupled memory --- ICCM +//******************************************************************************** + +module eb1_ifu_iccm_mem +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + `ifdef USE_POWER_PINS + input logic vccd1, + input logic vssd1, + `endif + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + input logic rst_l, // reset, active low + input logic clk_override, // Override non-functional clock gating + + input logic iccm_wren, // ICCM write enable + input logic iccm_rden, // ICCM read enable + input logic [pt.ICCM_BITS-1:1] iccm_rw_addr, // ICCM read/write address + input logic iccm_buf_correct_ecc, // ICCM is doing a single bit error correct cycle + input logic iccm_correction_state, // ICCM under a correction - This is needed to guard replacements when hit + input logic [2:0] iccm_wr_size, // ICCM write size + input logic [77:0] iccm_wr_data, // ICCM write data + + input eb1_ccm_ext_in_pkt_t [pt.ICCM_NUM_BANKS-1:0] iccm_ext_in_pkt, // External packet + + output logic [63:0] iccm_rd_data, // ICCM read data + output logic [77:0] iccm_rd_data_ecc, // ICCM read ecc + input logic scan_mode // Scan mode control + +); + + + logic [pt.ICCM_NUM_BANKS-1:0] wren_bank; + logic [pt.ICCM_NUM_BANKS-1:0] rden_bank; + logic [pt.ICCM_NUM_BANKS-1:0] iccm_clken; + logic [pt.ICCM_NUM_BANKS-1:0] [pt.ICCM_BITS-1:pt.ICCM_BANK_INDEX_LO] addr_bank; + + logic [pt.ICCM_NUM_BANKS-1:0] [38:0] iccm_bank_dout, iccm_bank_dout_fn; + logic [pt.ICCM_NUM_BANKS-1:0] [38:0] iccm_bank_wr_data; + logic [pt.ICCM_BITS-1:1] addr_bank_inc; + logic [pt.ICCM_BANK_HI : 2] iccm_rd_addr_hi_q; + logic [pt.ICCM_BANK_HI : 1] iccm_rd_addr_lo_q; + logic [63:0] iccm_rd_data_pre; + logic [63:0] iccm_data; + logic [1:0] addr_incr; + logic [pt.ICCM_NUM_BANKS-1:0] [38:0] iccm_bank_wr_data_vec; + + // logic to handle hard persisten faults + logic [1:0] [pt.ICCM_BITS-1:2] redundant_address; + logic [1:0] [38:0] redundant_data; + logic [1:0] redundant_valid; + logic [pt.ICCM_NUM_BANKS-1:0] sel_red1, sel_red0, sel_red1_q, sel_red0_q; + + + logic [38:0] redundant_data0_in, redundant_data1_in; + logic redundant_lru, redundant_lru_in, redundant_lru_en; + logic redundant_data0_en; + logic redundant_data1_en; + logic r0_addr_en, r1_addr_en; + + // Testing persistent flip + // logic [3:0] not_iccm_bank_dout; + // logic [15:3] ecc_insert_flip_in, ecc_insert_flip; + // logic flip_en, flip_match, flip_match_q; + // + // assign flip_in = (iccm_rw_addr[3:2] != 2'b00); // dont flip when bank0 - this is to make some progress in DMA streaming cases + // assign flip_en = iccm_rden; + // + // rvdffs #(1) flipmatch (.*, + // .clk(clk), + // .din(flip_in), + // .en(flip_en), + // .dout(flip_match_q)); + // + // end of testing flip + + + assign addr_incr[1:0] = (iccm_wr_size[1:0] == 2'b11) ? 2'b10: 2'b01; + assign addr_bank_inc[pt.ICCM_BITS-1 : 1] = iccm_rw_addr[pt.ICCM_BITS-1 : 1] + addr_incr[1:0]; + + for (genvar i=0; i<pt.ICCM_NUM_BANKS/2; i++) begin: mem_bank_data + assign iccm_bank_wr_data_vec[(2*i)] = iccm_wr_data[38:0]; + assign iccm_bank_wr_data_vec[(2*i)+1] = iccm_wr_data[77:39]; + end + + for (genvar i=0; i<pt.ICCM_NUM_BANKS; i++) begin: mem_bank + assign wren_bank[i] = iccm_wren & ((iccm_rw_addr[pt.ICCM_BANK_HI:2] == i) | (addr_bank_inc[pt.ICCM_BANK_HI:2] == i)); + assign iccm_bank_wr_data[i] = iccm_bank_wr_data_vec[i]; + assign rden_bank[i] = iccm_rden & ( (iccm_rw_addr[pt.ICCM_BANK_HI:2] == i) | (addr_bank_inc[pt.ICCM_BANK_HI:2] == i)); + assign iccm_clken[i] = wren_bank[i] | rden_bank[i] | clk_override; + assign addr_bank[i][pt.ICCM_BITS-1 : pt.ICCM_BANK_INDEX_LO] = wren_bank[i] ? iccm_rw_addr[pt.ICCM_BITS-1 : pt.ICCM_BANK_INDEX_LO] : + ((addr_bank_inc[pt.ICCM_BANK_HI:2] == i) ? + addr_bank_inc[pt.ICCM_BITS-1 : pt.ICCM_BANK_INDEX_LO] : + iccm_rw_addr[pt.ICCM_BITS-1 : pt.ICCM_BANK_INDEX_LO]); + + + if (pt.ICCM_INDEX_BITS == 6 ) begin : iccm + ram_64x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + + ); + end // block: iccm + + else if (pt.ICCM_INDEX_BITS == 7 ) begin : iccm + ram_128x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + + ); + end // block: iccm + + else if (pt.ICCM_INDEX_BITS == 8 ) begin : iccm + /*ram_256x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + + );*/ + sky130_sram_1kbyte_1rw1r_32x256_8 sram( + `ifdef USE_POWER_PINS + .vccd1(vccd1), + .vssd1(vssd1), + `endif + .clk0(clk), + .csb0(~iccm_clken[i]), + .web0(~wren_bank[i]), + .wmask0(4'hf), + .addr0(addr_bank[i]), + .din0(iccm_bank_wr_data[i][31:0]), + .dout0(iccm_bank_dout[i][31:0]), + .clk1(clk), + .csb1(1'b1), + .addr1(10'h000), + .dout1() + ); + end // block: iccm + else if (pt.ICCM_INDEX_BITS == 9 ) begin : iccm + ram_512x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + + ); + end // block: iccm + else if (pt.ICCM_INDEX_BITS == 10 ) begin : iccm + /* ram_1024x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + );*/ + + sky130_sram_1kbyte_1rw1r_32x256_8 sram( + `ifdef USE_POWER_PINS + .vccd1(vccd1), + .vssd1(vssd1), + `endif + .clk0(clk), + .csb0(~iccm_clken[i]), + .web0(~wren_bank[i]), + .wmask0(4'hf), + .addr0(addr_bank[i]), + .din0(iccm_bank_wr_data[i]), + .dout0(iccm_bank_dout[i]), + .clk1(clk), + .csb1(1'b1), + .addr1(10'h000), + .dout1() + ); + end // block: iccm + else if (pt.ICCM_INDEX_BITS == 11 ) begin : iccm + ram_2048x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + + ); + end // block: iccm + else if (pt.ICCM_INDEX_BITS == 12 ) begin : iccm + ram_4096x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + + ); + end // block: iccm + else if (pt.ICCM_INDEX_BITS == 13 ) begin : iccm + ram_8192x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + + ); + end // block: iccm + else if (pt.ICCM_INDEX_BITS == 14 ) begin : iccm + ram_16384x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + + ); + end // block: iccm + else begin : iccm + ram_32768x39 iccm_bank ( + // Primary ports + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(iccm_bank_wr_data[i][38:0]), + .Q(iccm_bank_dout[i][38:0]), + .ROP ( ), + // These are used by SoC + .TEST1(iccm_ext_in_pkt[i].TEST1), + .RME(iccm_ext_in_pkt[i].RME), + .RM(iccm_ext_in_pkt[i].RM), + .LS(iccm_ext_in_pkt[i].LS), + .DS(iccm_ext_in_pkt[i].DS), + .SD(iccm_ext_in_pkt[i].SD) , + .TEST_RNM(iccm_ext_in_pkt[i].TEST_RNM), + .BC1(iccm_ext_in_pkt[i].BC1), + .BC2(iccm_ext_in_pkt[i].BC2) + + ); + end // block: iccm + + + // match the redundant rows + assign sel_red1[i] = (redundant_valid[1] & (((iccm_rw_addr[pt.ICCM_BITS-1:2] == redundant_address[1][pt.ICCM_BITS-1:2]) & (iccm_rw_addr[3:2] == i)) | + ((addr_bank_inc[pt.ICCM_BITS-1:2]== redundant_address[1][pt.ICCM_BITS-1:2]) & (addr_bank_inc[3:2] == i)))); + + assign sel_red0[i] = (redundant_valid[0] & (((iccm_rw_addr[pt.ICCM_BITS-1:2] == redundant_address[0][pt.ICCM_BITS-1:2]) & (iccm_rw_addr[3:2] == i)) | + ((addr_bank_inc[pt.ICCM_BITS-1:2]== redundant_address[0][pt.ICCM_BITS-1:2]) & (addr_bank_inc[3:2] == i)))); + + rvdff #(1) selred0 (.*, + .clk(active_clk), + .din(sel_red0[i]), + .dout(sel_red0_q[i])); + + rvdff #(1) selred1 (.*, + .clk(active_clk), + .din(sel_red1[i]), + .dout(sel_red1_q[i])); + + + // muxing out the memory data with the redundant data if the address matches + assign iccm_bank_dout_fn[i][38:0] = ({39{sel_red1_q[i]}} & redundant_data[1][38:0]) | + ({39{sel_red0_q[i]}} & redundant_data[0][38:0]) | + ({39{~sel_red0_q[i] & ~sel_red1_q[i]}} & iccm_bank_dout[i][38:0]); + + end : mem_bank +// This section does the redundancy for tolerating single bit errors +// 2x 39 bit data values with address[hi:2] and a valid bit is needed to CAM and sub out the reads/writes to the particular locations +// Also a LRU flop is kept to decide which of the redundant element to replace. + assign r0_addr_en = ~redundant_lru & iccm_buf_correct_ecc; + assign r1_addr_en = redundant_lru & iccm_buf_correct_ecc; + assign redundant_lru_en = iccm_buf_correct_ecc | (((|sel_red0[pt.ICCM_NUM_BANKS-1:0]) | (|sel_red1[pt.ICCM_NUM_BANKS-1:0])) & iccm_rden & iccm_correction_state); + assign redundant_lru_in = iccm_buf_correct_ecc ? ~redundant_lru : (|sel_red0[pt.ICCM_NUM_BANKS-1:0]) ? 1'b1 : 1'b0; + + rvdffs #() red_lru (.*, // LRU flop for the redundant replacements + .clk(active_clk), + .en(redundant_lru_en), + .din(redundant_lru_in), + .dout(redundant_lru)); + + rvdffs #(pt.ICCM_BITS-2) r0_address (.*, // Redundant Row 0 address + .clk(active_clk), + .en(r0_addr_en), + .din(iccm_rw_addr[pt.ICCM_BITS-1:2]), + .dout(redundant_address[0][pt.ICCM_BITS-1:2])); + + rvdffs #(pt.ICCM_BITS-2) r1_address (.*, // Redundant Row 0 address + .clk(active_clk), + .en(r1_addr_en), + .din(iccm_rw_addr[pt.ICCM_BITS-1:2]), + .dout(redundant_address[1][pt.ICCM_BITS-1:2])); + + rvdffs #(1) r0_valid (.*, + .clk(active_clk), // Redundant Row 0 Valid + .en(r0_addr_en), + .din(1'b1), + .dout(redundant_valid[0])); + + rvdffs #(1) r1_valid (.*, // Redundant Row 1 Valid + .clk(active_clk), + .en(r1_addr_en), + .din(1'b1), + .dout(redundant_valid[1])); + + + + // We will have to update the Redundant copies in addition to the memory on subsequent writes to this memory location. + // The data gets updated on : 1) correction cycle, 2) Future writes - this could be W writes from DMA ( match up till addr[2]) or DW writes ( match till address[3]) + // The data to pick also depends on the current address[2], size and the addr[2] stored in the address field of the redundant flop. Correction cycle is always W write and the data is splat on both legs, so choosing lower Word + + assign redundant_data0_en = ((iccm_rw_addr[pt.ICCM_BITS-1:3] == redundant_address[0][pt.ICCM_BITS-1:3]) & ((iccm_rw_addr[2] == redundant_address[0][2]) | (iccm_wr_size[1:0] == 2'b11)) & redundant_valid[0] & iccm_wren) | + (~redundant_lru & iccm_buf_correct_ecc); + + assign redundant_data0_in[38:0] = (((iccm_rw_addr[2] == redundant_address[0][2]) & iccm_rw_addr[2]) | (redundant_address[0][2] & (iccm_wr_size[1:0] == 2'b11))) ? iccm_wr_data[77:39] : iccm_wr_data[38:0]; + + rvdffs #(39) r0_data (.*, // Redundant Row 1 data + .clk(active_clk), + .en(redundant_data0_en), + .din(redundant_data0_in[38:0]), + .dout(redundant_data[0][38:0])); + + assign redundant_data1_en = ((iccm_rw_addr[pt.ICCM_BITS-1:3] == redundant_address[1][pt.ICCM_BITS-1:3]) & ((iccm_rw_addr[2] == redundant_address[1][2]) | (iccm_wr_size[1:0] == 2'b11)) & redundant_valid[1] & iccm_wren) | + (redundant_lru & iccm_buf_correct_ecc); + + assign redundant_data1_in[38:0] = (((iccm_rw_addr[2] == redundant_address[1][2]) & iccm_rw_addr[2]) | (redundant_address[1][2] & (iccm_wr_size[1:0] == 2'b11))) ? iccm_wr_data[77:39] : iccm_wr_data[38:0]; + + rvdffs #(39) r1_data (.*, // Redundant Row 1 data + .clk(active_clk), + .en(redundant_data1_en), + .din(redundant_data1_in[38:0]), + .dout(redundant_data[1][38:0])); + + + rvdffs #(pt.ICCM_BANK_HI) rd_addr_lo_ff (.*, .clk(active_clk), .din(iccm_rw_addr [pt.ICCM_BANK_HI:1]), .dout(iccm_rd_addr_lo_q[pt.ICCM_BANK_HI:1]), .en(1'b1)); // bit 0 of address is always 0 + rvdffs #(pt.ICCM_BANK_BITS) rd_addr_hi_ff (.*, .clk(active_clk), .din(addr_bank_inc[pt.ICCM_BANK_HI:2]), .dout(iccm_rd_addr_hi_q[pt.ICCM_BANK_HI:2]), .en(1'b1)); + + assign iccm_rd_data_pre[63:0] = {iccm_bank_dout_fn[iccm_rd_addr_hi_q][31:0], iccm_bank_dout_fn[iccm_rd_addr_lo_q[pt.ICCM_BANK_HI:2]][31:0]}; + assign iccm_data[63:0] = 64'({16'b0, (iccm_rd_data_pre[63:0] >> (16*iccm_rd_addr_lo_q[1]))}); + assign iccm_rd_data[63:0] = {iccm_data[63:0]}; + assign iccm_rd_data_ecc[77:0] = {iccm_bank_dout_fn[iccm_rd_addr_hi_q][38:0], iccm_bank_dout_fn[iccm_rd_addr_lo_q[pt.ICCM_BANK_HI:2]][38:0]}; + +endmodule // eb1_ifu_iccm_mem + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// eb1_ifu_ifc_ctl.sv +// Function: Fetch pipe control +// +// Comments: +//******************************************************************************** + +module eb1_ifu_ifc_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic free_l2clk, // Clock always. Through one clock header. For flops with second header built in. + + input logic rst_l, // reset enable, from core pin + input logic scan_mode, // scan + + input logic ic_hit_f, // Icache hit + input logic ifu_ic_mb_empty, // Miss buffer empty + + input logic ifu_fb_consume1, // Aligner consumed 1 fetch buffer + input logic ifu_fb_consume2, // Aligner consumed 2 fetch buffers + + input logic dec_tlu_flush_noredir_wb, // Don't fetch on flush + input logic exu_flush_final, // FLush + input logic [31:1] exu_flush_path_final, // Flush path + + input logic ifu_bp_hit_taken_f, // btb hit, select the target path + input logic [31:1] ifu_bp_btb_target_f, // predicted target PC + + input logic ic_dma_active, // IC DMA active, stop fetching + input logic ic_write_stall, // IC is writing, stop fetching + input logic dma_iccm_stall_any, // force a stall in the fetch pipe for DMA ICCM access + + input logic [31:0] dec_tlu_mrac_ff , // side_effect and cacheable for each region + + output logic [31:1] ifc_fetch_addr_f, // fetch addr F + output logic [31:1] ifc_fetch_addr_bf, // fetch addr BF + + output logic ifc_fetch_req_f, // fetch request valid F + + output logic ifu_pmu_fetch_stall, // pmu event measuring fetch stall + + output logic ifc_fetch_uncacheable_bf, // The fetch request is uncacheable space. BF stage + output logic ifc_fetch_req_bf, // Fetch request. Comes with the address. BF stage + output logic ifc_fetch_req_bf_raw, // Fetch request without some qualifications. Used for clock-gating. BF stage + output logic ifc_iccm_access_bf, // This request is to the ICCM. Do not generate misses to the bus. + output logic ifc_region_acc_fault_bf, // Access fault. in ICCM region but offset is outside defined ICCM. + + output logic ifc_dma_access_ok // fetch is not accessing the ICCM, DMA can proceed + + + + ); + + logic [31:1] fetch_addr_bf; + logic [31:1] fetch_addr_next; + logic [3:0] fb_write_f, fb_write_ns; + + logic fb_full_f_ns, fb_full_f; + logic fb_right, fb_right2, fb_left, wfm, idle; + logic sel_last_addr_bf, sel_next_addr_bf; + logic miss_f, miss_a; + logic flush_fb, dma_iccm_stall_any_f; + logic mb_empty_mod, goto_idle, leave_idle; + logic fetch_bf_en; + logic line_wrap; + logic fetch_addr_next_1; + + // FSM assignment + typedef enum logic [1:0] { IDLE = 2'b00 , + FETCH = 2'b01 , + STALL = 2'b10 , + WFM = 2'b11 } state_t ; + state_t state ; + state_t next_state ; + + logic dma_stall; + assign dma_stall = ic_dma_active | dma_iccm_stall_any_f; + + + + // Fetch address mux + // - flush + // - Miss *or* flush during WFM (icache miss buffer is blocking) + // - Sequential + +if(pt.BTB_ENABLE==1) begin + logic sel_btb_addr_bf; + + assign sel_last_addr_bf = ~exu_flush_final & (~ifc_fetch_req_f | ~ic_hit_f); + assign sel_btb_addr_bf = ~exu_flush_final & ifc_fetch_req_f & ifu_bp_hit_taken_f & ic_hit_f; + assign sel_next_addr_bf = ~exu_flush_final & ifc_fetch_req_f & ~ifu_bp_hit_taken_f & ic_hit_f; + + + assign fetch_addr_bf[31:1] = ( ({31{exu_flush_final}} & exu_flush_path_final[31:1]) | // FLUSH path + ({31{sel_last_addr_bf}} & ifc_fetch_addr_f[31:1]) | // MISS path + ({31{sel_btb_addr_bf}} & {ifu_bp_btb_target_f[31:1]})| // BTB target + ({31{sel_next_addr_bf}} & {fetch_addr_next[31:1]})); // SEQ path + + +end // if (pt.BTB_ENABLE=1) + else begin + assign sel_last_addr_bf = ~exu_flush_final & (~ifc_fetch_req_f | ~ic_hit_f); + assign sel_next_addr_bf = ~exu_flush_final & ifc_fetch_req_f & ic_hit_f; + + + assign fetch_addr_bf[31:1] = ( ({31{exu_flush_final}} & exu_flush_path_final[31:1]) | // FLUSH path + ({31{sel_last_addr_bf}} & ifc_fetch_addr_f[31:1]) | // MISS path + ({31{sel_next_addr_bf}} & {fetch_addr_next[31:1]})); // SEQ path + +end + assign fetch_addr_next[31:1] = {({ifc_fetch_addr_f[31:2]} + 31'b1), fetch_addr_next_1 }; + assign line_wrap = (fetch_addr_next[pt.ICACHE_TAG_INDEX_LO] ^ ifc_fetch_addr_f[pt.ICACHE_TAG_INDEX_LO]); + + assign fetch_addr_next_1 = line_wrap ? 1'b0 : ifc_fetch_addr_f[1]; + + assign ifc_fetch_req_bf_raw = ~idle; + assign ifc_fetch_req_bf = ifc_fetch_req_bf_raw & + + ~(fb_full_f_ns & ~(ifu_fb_consume2 | ifu_fb_consume1)) & + ~dma_stall & + ~ic_write_stall & + ~dec_tlu_flush_noredir_wb ; + + + assign fetch_bf_en = exu_flush_final | ifc_fetch_req_f; + + assign miss_f = ifc_fetch_req_f & ~ic_hit_f & ~exu_flush_final; + + assign mb_empty_mod = (ifu_ic_mb_empty | exu_flush_final) & ~dma_stall & ~miss_f & ~miss_a; + + // Halt flushes and takes us to IDLE + assign goto_idle = exu_flush_final & dec_tlu_flush_noredir_wb; + // If we're in IDLE, and we get a flush, goto FETCH + assign leave_idle = exu_flush_final & ~dec_tlu_flush_noredir_wb & idle; + +//.i 7 +//.o 2 +//.ilb state[1] state[0] reset_delayed miss_f mb_empty_mod goto_idle leave_idle +//.ob next_state[1] next_state[0] +//.type fr +// +//# fetch 01, stall 10, wfm 11, idle 00 +//-- 1---- 01 +//-- 0--1- 00 +//00 0--00 00 +//00 0--01 01 +// +//01 01-0- 11 +//01 00-0- 01 +// +//11 0-10- 01 +//11 0-00- 11 + + assign next_state[1] = (~state[1] & state[0] & miss_f & ~goto_idle) | + (state[1] & ~mb_empty_mod & ~goto_idle); + + assign next_state[0] = (~goto_idle & leave_idle) | (state[0] & ~goto_idle); + + assign flush_fb = exu_flush_final; + + // model fb write logic to mass balance the fetch buffers + assign fb_right = ( ifu_fb_consume1 & ~ifu_fb_consume2 & (~ifc_fetch_req_f | miss_f)) | // Consumed and no new fetch + (ifu_fb_consume2 & ifc_fetch_req_f); // Consumed 2 and new fetch + + + assign fb_right2 = (ifu_fb_consume2 & (~ifc_fetch_req_f | miss_f)); // Consumed 2 and no new fetch + + assign fb_left = ifc_fetch_req_f & ~(ifu_fb_consume1 | ifu_fb_consume2) & ~miss_f; + +// CBH + assign fb_write_ns[3:0] = ( ({4{(flush_fb)}} & 4'b0001) | + ({4{~flush_fb & fb_right }} & {1'b0, fb_write_f[3:1]}) | + ({4{~flush_fb & fb_right2}} & {2'b0, fb_write_f[3:2]}) | + ({4{~flush_fb & fb_left }} & {fb_write_f[2:0], 1'b0}) | + ({4{~flush_fb & ~fb_right & ~fb_right2 & ~fb_left}} & fb_write_f[3:0])); + + + assign fb_full_f_ns = fb_write_ns[3]; + + assign idle = state == IDLE ; + assign wfm = state == WFM ; + + rvdffie #(10) fbwrite_ff (.*, .clk(free_l2clk), + .din( {dma_iccm_stall_any, miss_f, ifc_fetch_req_bf, next_state[1:0], fb_full_f_ns, fb_write_ns[3:0]}), + .dout({dma_iccm_stall_any_f, miss_a, ifc_fetch_req_f, state[1:0], fb_full_f, fb_write_f[3:0]})); + + assign ifu_pmu_fetch_stall = wfm | + (ifc_fetch_req_bf_raw & ( (fb_full_f & ~(ifu_fb_consume2 | ifu_fb_consume1 | exu_flush_final)) | + dma_stall)); + + + + assign ifc_fetch_addr_bf[31:1] = fetch_addr_bf[31:1]; + + rvdffpcie #(31) faddrf1_ff (.*, .en(fetch_bf_en), .din(fetch_addr_bf[31:1]), .dout(ifc_fetch_addr_f[31:1])); + + + if (pt.ICCM_ENABLE) begin + logic iccm_acc_in_region_bf; + logic iccm_acc_in_range_bf; + rvrangecheck #( .CCM_SADR (pt.ICCM_SADR), + .CCM_SIZE (pt.ICCM_SIZE) ) iccm_rangecheck ( + .addr ({ifc_fetch_addr_bf[31:1],1'b0}) , + .in_range (iccm_acc_in_range_bf) , + .in_region(iccm_acc_in_region_bf) + ); + + assign ifc_iccm_access_bf = iccm_acc_in_range_bf ; + + assign ifc_dma_access_ok = ( (~ifc_iccm_access_bf | + (fb_full_f & ~(ifu_fb_consume2 | ifu_fb_consume1)) | + (wfm & ~ifc_fetch_req_bf) | + idle ) & ~exu_flush_final) | + dma_iccm_stall_any_f; + + assign ifc_region_acc_fault_bf = ~iccm_acc_in_range_bf & iccm_acc_in_region_bf ; + end + else begin + assign ifc_iccm_access_bf = 1'b0 ; + assign ifc_dma_access_ok = 1'b0 ; + assign ifc_region_acc_fault_bf = 1'b0 ; + end + + assign ifc_fetch_uncacheable_bf = ~dec_tlu_mrac_ff[{ifc_fetch_addr_bf[31:28] , 1'b0 }] ; // bit 0 of each region description is the cacheable bit + +endmodule // eb1_ifu_ifc_ctl + +//******************************************************************************** +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +//******************************************************************************** + + +//******************************************************************************** +// Function: Icache , iccm control +// BFF -> F1 -> F2 -> A +//******************************************************************************** + +module eb1_ifu_mem_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + input logic free_l2clk, // Clock always. Through one clock header. For flops with second header built in. + input logic rst_l, // reset, active low + + input logic exu_flush_final, // Flush from the pipeline., includes flush lower + input logic dec_tlu_flush_lower_wb, // Flush lower from the pipeline. + input logic dec_tlu_flush_err_wb, // Flush from the pipeline due to perr. + input logic dec_tlu_i0_commit_cmt, // committed i0 instruction + input logic dec_tlu_force_halt, // force halt. + + input logic [31:1] ifc_fetch_addr_bf, // Fetch Address byte aligned always. F1 stage. + input logic ifc_fetch_uncacheable_bf, // The fetch request is uncacheable space. F1 stage + input logic ifc_fetch_req_bf, // Fetch request. Comes with the address. F1 stage + input logic ifc_fetch_req_bf_raw, // Fetch request without some qualifications. Used for clock-gating. F1 stage + input logic ifc_iccm_access_bf, // This request is to the ICCM. Do not generate misses to the bus. + input logic ifc_region_acc_fault_bf, // Access fault. in ICCM region but offset is outside defined ICCM. + input logic ifc_dma_access_ok, // It is OK to give dma access to the ICCM. (ICCM is not busy this cycle). + input logic dec_tlu_fence_i_wb, // Fence.i instruction is committing. Clear all Icache valids. + input logic ifu_bp_hit_taken_f, // Branch is predicted taken. Kill the fetch next cycle. + + input logic ifu_bp_inst_mask_f, // tell ic which valids to kill because of a taken branch, right justified + + output logic ifu_miss_state_idle, // No icache misses are outstanding. + output logic ifu_ic_mb_empty, // Continue with normal fetching. This does not mean that miss is finished. + output logic ic_dma_active , // In the middle of servicing dma request to ICCM. Do not make any new requests. + output logic ic_write_stall, // Stall fetch the cycle we are writing the cache. + +/// PMU signals + output logic ifu_pmu_ic_miss, // IC miss event + output logic ifu_pmu_ic_hit, // IC hit event + output logic ifu_pmu_bus_error, // Bus error event + output logic ifu_pmu_bus_busy, // Bus busy event + output logic ifu_pmu_bus_trxn, // Bus transaction + + //-------------------------- IFU AXI signals-------------------------- + // AXI Write Channels + output logic ifu_axi_awvalid, + output logic [pt.IFU_BUS_TAG-1:0] ifu_axi_awid, + output logic [31:0] ifu_axi_awaddr, + output logic [3:0] ifu_axi_awregion, + output logic [7:0] ifu_axi_awlen, + output logic [2:0] ifu_axi_awsize, + output logic [1:0] ifu_axi_awburst, + output logic ifu_axi_awlock, + output logic [3:0] ifu_axi_awcache, + output logic [2:0] ifu_axi_awprot, + output logic [3:0] ifu_axi_awqos, + + output logic ifu_axi_wvalid, + output logic [63:0] ifu_axi_wdata, + output logic [7:0] ifu_axi_wstrb, + output logic ifu_axi_wlast, + + output logic ifu_axi_bready, + + // AXI Read Channels + output logic ifu_axi_arvalid, + input logic ifu_axi_arready, + output logic [pt.IFU_BUS_TAG-1:0] ifu_axi_arid, + output logic [31:0] ifu_axi_araddr, + output logic [3:0] ifu_axi_arregion, + output logic [7:0] ifu_axi_arlen, + output logic [2:0] ifu_axi_arsize, + output logic [1:0] ifu_axi_arburst, + output logic ifu_axi_arlock, + output logic [3:0] ifu_axi_arcache, + output logic [2:0] ifu_axi_arprot, + output logic [3:0] ifu_axi_arqos, + + input logic ifu_axi_rvalid, + output logic ifu_axi_rready, + input logic [pt.IFU_BUS_TAG-1:0] ifu_axi_rid, + input logic [63:0] ifu_axi_rdata, + input logic [1:0] ifu_axi_rresp, + + input logic ifu_bus_clk_en, + + + input logic dma_iccm_req, // dma iccm command (read or write) + input logic [31:0] dma_mem_addr, // dma address + input logic [2:0] dma_mem_sz, // size + input logic dma_mem_write, // write + input logic [63:0] dma_mem_wdata, // write data + input logic [2:0] dma_mem_tag, // DMA Buffer entry number + + output logic iccm_dma_ecc_error,// Data read from iccm has an ecc error + output logic iccm_dma_rvalid, // Data read from iccm is valid + output logic [63:0] iccm_dma_rdata, // dma data read from iccm + output logic [2:0] iccm_dma_rtag, // Tag of the DMA req + output logic iccm_ready, // iccm ready to accept new command. + + +// I$ & ITAG Ports + output logic [31:1] ic_rw_addr, // Read/Write addresss to the Icache. + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_wr_en, // Icache write enable, when filling the Icache. + output logic ic_rd_en, // Icache read enable. + + output logic [pt.ICACHE_BANKS_WAY-1:0] [70:0] ic_wr_data, // Data to fill to the Icache. With ECC + input logic [63:0] ic_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC + input logic [70:0] ic_debug_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC + input logic [25:0] ictag_debug_rd_data, // Debug icache tag. + output logic [70:0] ic_debug_wr_data, // Debug wr cache. + output logic [70:0] ifu_ic_debug_rd_data, // debug data read + + + input logic [pt.ICACHE_BANKS_WAY-1:0] ic_eccerr, // + input logic [pt.ICACHE_BANKS_WAY-1:0] ic_parerr, + + output logic [pt.ICACHE_INDEX_HI:3] ic_debug_addr, // Read/Write addresss to the Icache. + output logic ic_debug_rd_en, // Icache debug rd + output logic ic_debug_wr_en, // Icache debug wr + output logic ic_debug_tag_array, // Debug tag array + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_debug_way, // Debug way. Rd or Wr. + + + output logic [pt.ICACHE_NUM_WAYS-1:0] ic_tag_valid, // Valid bits when accessing the Icache. One valid bit per way. F2 stage + + input logic [pt.ICACHE_NUM_WAYS-1:0] ic_rd_hit, // Compare hits from Icache tags. Per way. F2 stage + input logic ic_tag_perr, // Icache Tag parity error + + // ICCM ports + output logic [pt.ICCM_BITS-1:1] iccm_rw_addr, // ICCM read/write address. + output logic iccm_wren, // ICCM write enable (through the DMA) + output logic iccm_rden, // ICCM read enable. + output logic [77:0] iccm_wr_data, // ICCM write data. + output logic [2:0] iccm_wr_size, // ICCM write location within DW. + + input logic [63:0] iccm_rd_data, // Data read from ICCM. + input logic [77:0] iccm_rd_data_ecc, // Data + ECC read from ICCM. + input logic [1:0] ifu_fetch_val, + // IFU control signals + output logic ic_hit_f, // Hit in Icache(if Icache access) or ICCM access( ICCM always has ic_hit_f) + output logic [1:0] ic_access_fault_f, // Access fault (bus error or ICCM access in region but out of offset range). + output logic [1:0] ic_access_fault_type_f, // Access fault types + output logic iccm_rd_ecc_single_err, // This fetch has a single ICCM ecc error. + output logic [1:0] iccm_rd_ecc_double_err, // This fetch has a double ICCM ecc error. + output logic ic_error_start, // This has any I$ errors ( data/tag/ecc/parity ) + + output logic ifu_async_error_start, // Or of the sb iccm, and all the icache errors sent to aligner to stop + output logic iccm_dma_sb_error, // Single Bit ECC error from a DMA access + output logic [1:0] ic_fetch_val_f, // valid bytes for fetch. To the Aligner. + output logic [31:0] ic_data_f, // Data read from Icache or ICCM. To the Aligner. + output logic [63:0] ic_premux_data, // Premuxed data to be muxed with Icache data + output logic ic_sel_premux_data, // Select premux data. + +///// Debug + input eb1_cache_debug_pkt_t dec_tlu_ic_diag_pkt , // Icache/tag debug read/write packet + input logic dec_tlu_core_ecc_disable, // disable the ecc checking and flagging + output logic ifu_ic_debug_rd_data_valid, // debug data valid. + output logic iccm_buf_correct_ecc, + output logic iccm_correction_state, + + + input logic scan_mode + ); + +// Create different defines for ICACHE and ICCM enable combinations + + localparam NUM_OF_BEATS = 8 ; + + + + logic [31:3] ifu_ic_req_addr_f; + logic uncacheable_miss_in ; + logic uncacheable_miss_ff; + + + + logic bus_ifu_wr_en ; + logic bus_ifu_wr_en_ff ; + logic bus_ifu_wr_en_ff_q ; + logic bus_ifu_wr_en_ff_wo_err ; + logic [pt.ICACHE_NUM_WAYS-1:0] bus_ic_wr_en ; + + logic reset_tag_valid_for_miss ; + + + logic [pt.ICACHE_STATUS_BITS-1:0] way_status; + logic [pt.ICACHE_STATUS_BITS-1:0] way_status_mb_in; + logic [pt.ICACHE_STATUS_BITS-1:0] way_status_rep_new; + logic [pt.ICACHE_STATUS_BITS-1:0] way_status_mb_ff; + logic [pt.ICACHE_STATUS_BITS-1:0] way_status_new; + logic [pt.ICACHE_STATUS_BITS-1:0] way_status_hit_new; + logic [pt.ICACHE_STATUS_BITS-1:0] way_status_new_w_debug; + logic [pt.ICACHE_NUM_WAYS-1:0] tagv_mb_in; + logic [pt.ICACHE_NUM_WAYS-1:0] tagv_mb_ff; + + + logic ifu_wr_data_comb_err ; + logic ifu_byp_data_err_new; + logic [1:0] ifu_byp_data_err_f; + logic ifu_wr_cumulative_err_data; + logic ifu_wr_cumulative_err; + logic ifu_wr_data_comb_err_ff; + logic scnd_miss_index_match ; + + + logic ifc_dma_access_q_ok; + logic ifc_iccm_access_f ; + logic ifc_region_acc_fault_f; + logic ifc_region_acc_fault_final_f; + logic [1:0] ifc_bus_acc_fault_f; + logic ic_act_miss_f; + logic ic_miss_under_miss_f; + logic ic_ignore_2nd_miss_f; + logic ic_act_hit_f; + logic miss_pending; + logic [31:1] imb_in , imb_ff ; + logic [31:pt.ICACHE_BEAT_ADDR_HI+1] miss_addr_in , miss_addr ; + logic miss_wrap_f ; + logic flush_final_f; + logic ifc_fetch_req_f; + logic ifc_fetch_req_f_raw; + logic fetch_req_f_qual ; + logic ifc_fetch_req_qual_bf ; + logic [pt.ICACHE_NUM_WAYS-1:0] replace_way_mb_any; + logic last_beat; + logic reset_beat_cnt ; + logic [pt.ICACHE_BEAT_ADDR_HI:3] ic_req_addr_bits_hi_3 ; + logic [pt.ICACHE_BEAT_ADDR_HI:3] ic_wr_addr_bits_hi_3 ; + logic [31:1] ifu_fetch_addr_int_f ; + logic [31:1] ifu_ic_rw_int_addr ; + logic crit_wd_byp_ok_ff ; + logic ic_crit_wd_rdy_new_ff; + logic [79:0] ic_byp_data_only_pre_new; + logic [79:0] ic_byp_data_only_new; + logic ic_byp_hit_f ; + logic ic_valid ; + logic ic_valid_ff; + logic reset_all_tags; + logic ic_valid_w_debug; + + logic [pt.ICACHE_NUM_WAYS-1:0] ifu_tag_wren,ifu_tag_wren_ff; + logic [pt.ICACHE_NUM_WAYS-1:0] ic_debug_tag_wr_en; + logic [pt.ICACHE_NUM_WAYS-1:0] ifu_tag_wren_w_debug; + logic [pt.ICACHE_NUM_WAYS-1:0] ic_debug_way_ff; + logic ic_debug_rd_en_ff ; + logic fetch_bf_f_c1_clken ; + logic fetch_bf_f_c1_clk; + logic debug_c1_clken; + logic debug_c1_clk; + + logic reset_ic_in ; + logic reset_ic_ff ; + logic [pt.ICACHE_BEAT_ADDR_HI:1] vaddr_f ; + logic [31:1] ifu_status_wr_addr; + logic sel_mb_addr ; + logic sel_mb_addr_ff ; + logic sel_mb_status_addr ; + logic [63:0] ic_final_data; + + logic [pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] ifu_ic_rw_int_addr_ff ; + logic [pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] ifu_status_wr_addr_ff ; + logic [pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] ifu_ic_rw_int_addr_w_debug ; + logic [pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] ifu_status_wr_addr_w_debug ; + + logic [pt.ICACHE_STATUS_BITS-1:0] way_status_new_ff ; + logic way_status_wr_en_ff ; + logic [pt.ICACHE_TAG_DEPTH-1:0][pt.ICACHE_STATUS_BITS-1:0] way_status_out ; + logic [1:0] ic_debug_way_enc; + + logic [pt.IFU_BUS_TAG-1:0] ifu_bus_rid_ff; + + logic fetch_req_icache_f; + logic fetch_req_iccm_f; + logic ic_iccm_hit_f; + logic fetch_uncacheable_ff; + logic way_status_wr_en; + logic sel_byp_data; + logic sel_ic_data; + logic sel_iccm_data; + logic ic_rd_parity_final_err; + logic ic_act_miss_f_delayed; + logic bus_ifu_wr_data_error; + logic bus_ifu_wr_data_error_ff; + logic way_status_wr_en_w_debug; + logic ic_debug_tag_val_rd_out; + logic ifu_pmu_ic_miss_in; + logic ifu_pmu_ic_hit_in; + logic ifu_pmu_bus_error_in; + logic ifu_pmu_bus_trxn_in; + logic ifu_pmu_bus_busy_in; + logic ic_debug_ict_array_sel_in; + logic ic_debug_ict_array_sel_ff; + logic debug_data_clken; + logic last_data_recieved_in ; + logic last_data_recieved_ff ; + + logic ifu_bus_rvalid ; + logic ifu_bus_rvalid_ff ; + logic ifu_bus_rvalid_unq_ff ; + logic ifu_bus_arready_unq ; + logic ifu_bus_arready_unq_ff ; + logic ifu_bus_arvalid ; + logic ifu_bus_arvalid_ff ; + logic ifu_bus_arready ; + logic ifu_bus_arready_ff ; + logic [63:0] ifu_bus_rdata_ff ; + logic [1:0] ifu_bus_rresp_ff ; + logic ifu_bus_rsp_valid ; + logic ifu_bus_rsp_ready ; + logic [pt.IFU_BUS_TAG-1:0] ifu_bus_rsp_tag; + logic [63:0] ifu_bus_rsp_rdata; + logic [1:0] ifu_bus_rsp_opc; + + logic [pt.ICACHE_NUM_BEATS-1:0] write_fill_data; + logic [pt.ICACHE_NUM_BEATS-1:0] wr_data_c1_clk; + logic [pt.ICACHE_NUM_BEATS-1:0] ic_miss_buff_data_valid_in; + logic [pt.ICACHE_NUM_BEATS-1:0] ic_miss_buff_data_valid; + logic [pt.ICACHE_NUM_BEATS-1:0] ic_miss_buff_data_error_in; + logic [pt.ICACHE_NUM_BEATS-1:0] ic_miss_buff_data_error; + logic [pt.ICACHE_BEAT_ADDR_HI:1] byp_fetch_index; + logic [pt.ICACHE_BEAT_ADDR_HI:2] byp_fetch_index_0; + logic [pt.ICACHE_BEAT_ADDR_HI:2] byp_fetch_index_1; + logic [pt.ICACHE_BEAT_ADDR_HI:3] byp_fetch_index_inc; + logic [pt.ICACHE_BEAT_ADDR_HI:2] byp_fetch_index_inc_0; + logic [pt.ICACHE_BEAT_ADDR_HI:2] byp_fetch_index_inc_1; + logic miss_buff_hit_unq_f ; + logic stream_hit_f ; + logic stream_miss_f ; + logic stream_eol_f ; + logic crit_byp_hit_f ; + logic [pt.IFU_BUS_TAG-1:0] other_tag ; + logic [(2*pt.ICACHE_NUM_BEATS)-1:0] [31:0] ic_miss_buff_data; + logic [63:0] ic_miss_buff_half; + logic scnd_miss_req, scnd_miss_req_q; + logic scnd_miss_req_in; + + + logic [pt.ICCM_BITS-1:2] iccm_ecc_corr_index_ff; + logic [pt.ICCM_BITS-1:2] iccm_ecc_corr_index_in; + logic [38:0] iccm_ecc_corr_data_ff; + logic iccm_ecc_write_status ; + logic iccm_rd_ecc_single_err_ff ; + logic iccm_error_start; // start the error fsm + logic perr_state_en; + logic miss_state_en; + + logic busclk; + logic busclk_force; + logic busclk_reset; + logic bus_ifu_bus_clk_en_ff; + logic bus_ifu_bus_clk_en ; + + logic ifc_bus_ic_req_ff_in; + logic ifu_bus_cmd_valid ; + logic ifu_bus_cmd_ready ; + + logic bus_inc_data_beat_cnt ; + logic bus_reset_data_beat_cnt ; + logic bus_hold_data_beat_cnt ; + + logic bus_inc_cmd_beat_cnt ; + logic bus_reset_cmd_beat_cnt_0 ; + logic bus_reset_cmd_beat_cnt_secondlast ; + logic bus_hold_cmd_beat_cnt ; + + logic [pt.ICACHE_BEAT_BITS-1:0] bus_new_data_beat_count ; + logic [pt.ICACHE_BEAT_BITS-1:0] bus_data_beat_count ; + + logic [pt.ICACHE_BEAT_BITS-1:0] bus_new_cmd_beat_count ; + logic [pt.ICACHE_BEAT_BITS-1:0] bus_cmd_beat_count ; + + + logic [pt.ICACHE_BEAT_BITS-1:0] bus_new_rd_addr_count; + logic [pt.ICACHE_BEAT_BITS-1:0] bus_rd_addr_count; + + + logic bus_cmd_sent ; + logic bus_last_data_beat ; + + + logic [pt.ICACHE_NUM_WAYS-1:0] bus_wren ; + + logic [pt.ICACHE_NUM_WAYS-1:0] bus_wren_last ; + logic [pt.ICACHE_NUM_WAYS-1:0] wren_reset_miss ; + logic ifc_dma_access_ok_d; + logic ifc_dma_access_ok_prev; + + logic bus_cmd_req_in ; + logic bus_cmd_req_hold ; + + logic second_half_available ; + logic write_ic_16_bytes ; + + logic ifc_region_acc_fault_final_bf; + logic ifc_region_acc_fault_memory_bf; + logic ifc_region_acc_fault_memory_f; + logic ifc_region_acc_okay; + + logic iccm_correct_ecc; + logic dma_sb_err_state, dma_sb_err_state_ff; + logic two_byte_instr; + + typedef enum logic [2:0] {IDLE=3'b000, CRIT_BYP_OK=3'b001, HIT_U_MISS=3'b010, MISS_WAIT=3'b011,CRIT_WRD_RDY=3'b100,SCND_MISS=3'b101,STREAM=3'b110 , STALL_SCND_MISS=3'b111} miss_state_t; + miss_state_t miss_state, miss_nxtstate; + + typedef enum logic [1:0] {ERR_STOP_IDLE=2'b00, ERR_FETCH1=2'b01 , ERR_FETCH2=2'b10 , ERR_STOP_FETCH=2'b11} err_stop_state_t; + err_stop_state_t err_stop_state, err_stop_nxtstate; + logic err_stop_state_en ; + logic err_stop_fetch ; + + logic ic_crit_wd_rdy; // Critical fetch is ready to be bypassed. + + logic ifu_bp_hit_taken_q_f; + logic ifu_bus_rvalid_unq; + logic bus_cmd_beat_en; + + +// ---- Clock gating section ----- +// c1 clock enables + + + assign fetch_bf_f_c1_clken = ifc_fetch_req_bf_raw | ifc_fetch_req_f | miss_pending | exu_flush_final | scnd_miss_req; + assign debug_c1_clken = ic_debug_rd_en | ic_debug_wr_en ; + // C1 - 1 clock pulse for data + + rvclkhdr fetch_bf_f_c1_cgc ( .en(fetch_bf_f_c1_clken), .l1clk(fetch_bf_f_c1_clk), .* ); + rvclkhdr debug_c1_cgc ( .en(debug_c1_clken), .l1clk(debug_c1_clk), .* ); + + + +// ------ end clock gating section ------------------------ + + logic [1:0] iccm_single_ecc_error; + logic dma_iccm_req_f ; + assign iccm_dma_sb_error = (|iccm_single_ecc_error[1:0] ) & dma_iccm_req_f ; + assign ifu_async_error_start = iccm_rd_ecc_single_err | ic_error_start; + + + typedef enum logic [2:0] {ERR_IDLE=3'b000, IC_WFF=3'b001 , ECC_WFF=3'b010 , ECC_CORR=3'b011, DMA_SB_ERR=3'b100} perr_state_t; + perr_state_t perr_state, perr_nxtstate; + + + assign ic_dma_active = iccm_correct_ecc | (perr_state == DMA_SB_ERR) | (err_stop_state == ERR_STOP_FETCH) | err_stop_fetch | + dec_tlu_flush_err_wb; // The last term is to give a error-correction a chance to finish before refetch starts + + assign scnd_miss_req_in = ifu_bus_rsp_valid & bus_ifu_bus_clk_en & ifu_bus_rsp_ready & + (&bus_new_data_beat_count[pt.ICACHE_BEAT_BITS-1:0]) & + ~uncacheable_miss_ff & ((miss_state == SCND_MISS) | (miss_nxtstate == SCND_MISS)) & ~exu_flush_final; + + assign ifu_bp_hit_taken_q_f = ifu_bp_hit_taken_f & ic_hit_f ; + + //////////////////////////////////// Create Miss State Machine /////////////////////// + // Create Miss State Machine // + // Create Miss State Machine // + // Create Miss State Machine // + //////////////////////////////////// Create Miss State Machine /////////////////////// + // FIFO state machine + always_comb begin : MISS_SM + miss_nxtstate = IDLE; + miss_state_en = 1'b0; + case (miss_state) + IDLE: begin : idle + miss_nxtstate = (ic_act_miss_f & ~exu_flush_final) ? CRIT_BYP_OK : HIT_U_MISS ; + miss_state_en = ic_act_miss_f & ~dec_tlu_force_halt ; + end + CRIT_BYP_OK: begin : crit_byp_ok + miss_nxtstate = (dec_tlu_force_halt ) ? IDLE : + ( ic_byp_hit_f & (last_data_recieved_ff | (bus_ifu_wr_en_ff & last_beat)) & uncacheable_miss_ff) ? IDLE : + ( ic_byp_hit_f & ~last_data_recieved_ff & uncacheable_miss_ff) ? MISS_WAIT : + (~ic_byp_hit_f & ~exu_flush_final & (bus_ifu_wr_en_ff & last_beat) & uncacheable_miss_ff) ? CRIT_WRD_RDY : + ( (bus_ifu_wr_en_ff & last_beat) & ~uncacheable_miss_ff) ? IDLE : + ( ic_byp_hit_f & ~exu_flush_final & ~(bus_ifu_wr_en_ff & last_beat) & ~ifu_bp_hit_taken_q_f & ~uncacheable_miss_ff) ? STREAM : + ( bus_ifu_wr_en_ff & ~exu_flush_final & ~(bus_ifu_wr_en_ff & last_beat) & ~ifu_bp_hit_taken_q_f & ~uncacheable_miss_ff) ? STREAM : + (~ic_byp_hit_f & ~exu_flush_final & (bus_ifu_wr_en_ff & last_beat) & ~uncacheable_miss_ff) ? IDLE : + ( (exu_flush_final | ifu_bp_hit_taken_q_f) & ~(bus_ifu_wr_en_ff & last_beat) ) ? HIT_U_MISS : IDLE; + miss_state_en = dec_tlu_force_halt | exu_flush_final | ic_byp_hit_f | ifu_bp_hit_taken_q_f | (bus_ifu_wr_en_ff & last_beat) | (bus_ifu_wr_en_ff & ~uncacheable_miss_ff) ; + end + CRIT_WRD_RDY: begin : crit_wrd_rdy + miss_nxtstate = IDLE ; + miss_state_en = exu_flush_final | flush_final_f | ic_byp_hit_f | dec_tlu_force_halt ; + end + STREAM: begin : stream + miss_nxtstate = ((exu_flush_final | ifu_bp_hit_taken_q_f | stream_eol_f ) & ~(bus_ifu_wr_en_ff & last_beat) & ~dec_tlu_force_halt) ? HIT_U_MISS : IDLE ; + miss_state_en = exu_flush_final | ifu_bp_hit_taken_q_f | stream_eol_f | (bus_ifu_wr_en_ff & last_beat) | dec_tlu_force_halt ; + end + MISS_WAIT: begin : miss_wait + miss_nxtstate = (exu_flush_final & ~(bus_ifu_wr_en_ff & last_beat) & ~dec_tlu_force_halt) ? HIT_U_MISS : IDLE ; + miss_state_en = exu_flush_final | (bus_ifu_wr_en_ff & last_beat) | dec_tlu_force_halt ; + end + HIT_U_MISS: begin : hit_u_miss + miss_nxtstate = ic_miss_under_miss_f & ~(bus_ifu_wr_en_ff & last_beat) & ~dec_tlu_force_halt ? SCND_MISS : + ic_ignore_2nd_miss_f & ~(bus_ifu_wr_en_ff & last_beat) & ~dec_tlu_force_halt ? STALL_SCND_MISS : IDLE ; + miss_state_en = (bus_ifu_wr_en_ff & last_beat) | ic_miss_under_miss_f | ic_ignore_2nd_miss_f | dec_tlu_force_halt; + end + SCND_MISS: begin : scnd_miss + miss_nxtstate = dec_tlu_force_halt ? IDLE : + exu_flush_final ? ((bus_ifu_wr_en_ff & last_beat) ? IDLE : HIT_U_MISS) : CRIT_BYP_OK; + miss_state_en = (bus_ifu_wr_en_ff & last_beat) | exu_flush_final | dec_tlu_force_halt; + end + STALL_SCND_MISS: begin : stall_scnd_miss + miss_nxtstate = dec_tlu_force_halt ? IDLE : + exu_flush_final ? ((bus_ifu_wr_en_ff & last_beat) ? IDLE : HIT_U_MISS) : IDLE; + miss_state_en = (bus_ifu_wr_en_ff & last_beat) | exu_flush_final | dec_tlu_force_halt; + end + default: begin : def_case + miss_nxtstate = IDLE; + miss_state_en = 1'b0; + end + endcase + end + rvdffs #(($bits(miss_state_t))) miss_state_ff (.clk(active_clk), .din(miss_nxtstate), .dout({miss_state}), .en(miss_state_en), .*); + + logic sel_hold_imb ; + + assign miss_pending = (miss_state != IDLE) ; + assign crit_wd_byp_ok_ff = (miss_state == CRIT_BYP_OK) | ((miss_state == CRIT_WRD_RDY) & ~flush_final_f); + assign sel_hold_imb = (miss_pending & ~(bus_ifu_wr_en_ff & last_beat) & ~((miss_state == CRIT_WRD_RDY) & exu_flush_final) & + ~((miss_state == CRIT_WRD_RDY) & crit_byp_hit_f) ) | ic_act_miss_f | + (miss_pending & (miss_nxtstate == CRIT_WRD_RDY)) ; + + + logic sel_hold_imb_scnd; + logic [31:1] imb_scnd_in; + logic [31:1] imb_scnd_ff; + logic uncacheable_miss_scnd_in ; + logic uncacheable_miss_scnd_ff ; + + logic [pt.ICACHE_NUM_WAYS-1:0] tagv_mb_scnd_in; + logic [pt.ICACHE_NUM_WAYS-1:0] tagv_mb_scnd_ff; + + logic [pt.ICACHE_STATUS_BITS-1:0] way_status_mb_scnd_in; + logic [pt.ICACHE_STATUS_BITS-1:0] way_status_mb_scnd_ff; + + assign sel_hold_imb_scnd =((miss_state == SCND_MISS) | ic_miss_under_miss_f) & ~flush_final_f ; + assign way_status_mb_scnd_in[pt.ICACHE_STATUS_BITS-1:0] = (miss_state == SCND_MISS) ? way_status_mb_scnd_ff[pt.ICACHE_STATUS_BITS-1:0] : {way_status[pt.ICACHE_STATUS_BITS-1:0]} ; + assign tagv_mb_scnd_in[pt.ICACHE_NUM_WAYS-1:0] = (miss_state == SCND_MISS) ? tagv_mb_scnd_ff[pt.ICACHE_NUM_WAYS-1:0] : ({ic_tag_valid[pt.ICACHE_NUM_WAYS-1:0]} & {pt.ICACHE_NUM_WAYS{~reset_all_tags & ~exu_flush_final}}); + assign uncacheable_miss_scnd_in = sel_hold_imb_scnd ? uncacheable_miss_scnd_ff : ifc_fetch_uncacheable_bf ; + + + rvdff_fpga #(1) unc_miss_scnd_ff (.*, .clk(fetch_bf_f_c1_clk), .clken(fetch_bf_f_c1_clken), .rawclk(clk), .din (uncacheable_miss_scnd_in), .dout(uncacheable_miss_scnd_ff)); + rvdffpcie #(31) imb_f_scnd_ff (.*, .en(fetch_bf_f_c1_clken), .din ({imb_scnd_in[31:1]}), .dout({imb_scnd_ff[31:1]})); + rvdff_fpga #(pt.ICACHE_STATUS_BITS) mb_rep_wayf2_scnd_ff (.*, .clk(fetch_bf_f_c1_clk), .clken(fetch_bf_f_c1_clken), .rawclk(clk), .din ({way_status_mb_scnd_in[pt.ICACHE_STATUS_BITS-1:0]}), .dout({way_status_mb_scnd_ff[pt.ICACHE_STATUS_BITS-1:0]})); + rvdff_fpga #(pt.ICACHE_NUM_WAYS) mb_tagv_scnd_ff (.*, .clk(fetch_bf_f_c1_clk), .clken(fetch_bf_f_c1_clken), .rawclk(clk), .din ({tagv_mb_scnd_in[pt.ICACHE_NUM_WAYS-1:0]}), .dout({tagv_mb_scnd_ff[pt.ICACHE_NUM_WAYS-1:0]})); + + + + + assign ic_req_addr_bits_hi_3[pt.ICACHE_BEAT_ADDR_HI:3] = bus_rd_addr_count[pt.ICACHE_BEAT_BITS-1:0] ; + assign ic_wr_addr_bits_hi_3[pt.ICACHE_BEAT_ADDR_HI:3] = ifu_bus_rid_ff[pt.ICACHE_BEAT_BITS-1:0] & {pt.ICACHE_BEAT_BITS{bus_ifu_wr_en_ff}}; + // NOTE: Cacheline size is 16 bytes in this example. + // Tag Index Bank Offset + // [31:16] [15:5] [4] [3:0] + + + assign fetch_req_icache_f = ifc_fetch_req_f & ~ifc_iccm_access_f & ~ifc_region_acc_fault_final_f; + assign fetch_req_iccm_f = ifc_fetch_req_f & ifc_iccm_access_f; + + assign ic_iccm_hit_f = fetch_req_iccm_f & (~miss_pending | (miss_state==HIT_U_MISS) | (miss_state==STREAM)); + assign ic_byp_hit_f = (crit_byp_hit_f | stream_hit_f) & fetch_req_icache_f & miss_pending ; + assign ic_act_hit_f = (|ic_rd_hit[pt.ICACHE_NUM_WAYS-1:0]) & fetch_req_icache_f & ~reset_all_tags & (~miss_pending | (miss_state==HIT_U_MISS)) & ~sel_mb_addr_ff; + assign ic_act_miss_f = (((~(|ic_rd_hit[pt.ICACHE_NUM_WAYS-1:0]) | reset_all_tags) & fetch_req_icache_f & ~miss_pending) | scnd_miss_req) & ~ifc_region_acc_fault_final_f; + assign ic_miss_under_miss_f = (~(|ic_rd_hit[pt.ICACHE_NUM_WAYS-1:0]) | reset_all_tags) & fetch_req_icache_f & (miss_state == HIT_U_MISS) & + (imb_ff[31:pt.ICACHE_TAG_INDEX_LO] != ifu_fetch_addr_int_f[31:pt.ICACHE_TAG_INDEX_LO]) & ~uncacheable_miss_ff & ~sel_mb_addr_ff & ~ifc_region_acc_fault_final_f; + assign ic_ignore_2nd_miss_f = (~(|ic_rd_hit[pt.ICACHE_NUM_WAYS-1:0]) | reset_all_tags) & fetch_req_icache_f & (miss_state == HIT_U_MISS) & + ((imb_ff[31:pt.ICACHE_TAG_INDEX_LO] == ifu_fetch_addr_int_f[31:pt.ICACHE_TAG_INDEX_LO]) | uncacheable_miss_ff) ; + assign ic_hit_f = ic_act_hit_f | ic_byp_hit_f | ic_iccm_hit_f | (ifc_region_acc_fault_final_f & ifc_fetch_req_f); + + assign uncacheable_miss_in = scnd_miss_req ? uncacheable_miss_scnd_ff : sel_hold_imb ? uncacheable_miss_ff : ifc_fetch_uncacheable_bf ; + assign imb_in[31:1] = scnd_miss_req ? imb_scnd_ff[31:1] : sel_hold_imb ? imb_ff[31:1] : {ifc_fetch_addr_bf[31:1]} ; + + assign imb_scnd_in[31:1] = sel_hold_imb_scnd ? imb_scnd_ff[31:1] : {ifc_fetch_addr_bf[31:1]} ; + + assign scnd_miss_index_match = (imb_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] == imb_scnd_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO]) & scnd_miss_req & ~ifu_wr_cumulative_err_data; + assign way_status_mb_in[pt.ICACHE_STATUS_BITS-1:0] = (scnd_miss_req & ~scnd_miss_index_match) ? way_status_mb_scnd_ff[pt.ICACHE_STATUS_BITS-1:0] : + (scnd_miss_req & scnd_miss_index_match) ? way_status_rep_new[pt.ICACHE_STATUS_BITS-1:0] : + miss_pending ? way_status_mb_ff[pt.ICACHE_STATUS_BITS-1:0] : + {way_status[pt.ICACHE_STATUS_BITS-1:0]} ; + assign tagv_mb_in[pt.ICACHE_NUM_WAYS-1:0] = scnd_miss_req ? (tagv_mb_scnd_ff[pt.ICACHE_NUM_WAYS-1:0] | ({pt.ICACHE_NUM_WAYS {scnd_miss_index_match}} & replace_way_mb_any[pt.ICACHE_NUM_WAYS-1:0])) : + miss_pending ? tagv_mb_ff[pt.ICACHE_NUM_WAYS-1:0] : ({ic_tag_valid[pt.ICACHE_NUM_WAYS-1:0]} & {pt.ICACHE_NUM_WAYS{~reset_all_tags & ~exu_flush_final}}) ; + + assign reset_ic_in = miss_pending & ~scnd_miss_req_q & (reset_all_tags | reset_ic_ff) ; + + + + rvdffpcie #(31) ifu_fetch_addr_f_ff (.*, .en(fetch_bf_f_c1_clken), .din ({ifc_fetch_addr_bf[31:1]}), .dout({ifu_fetch_addr_int_f[31:1]})); + + assign vaddr_f[pt.ICACHE_BEAT_ADDR_HI:1] = ifu_fetch_addr_int_f[pt.ICACHE_BEAT_ADDR_HI:1] ; + + rvdffpcie #(31) imb_f_ff (.*, .en(fetch_bf_f_c1_clken), .din (imb_in[31:1]), .dout(imb_ff[31:1])); + rvdff_fpga #(1) unc_miss_ff (.*, .clk(fetch_bf_f_c1_clk), .clken(fetch_bf_f_c1_clken), .rawclk(clk), .din ( uncacheable_miss_in), .dout( uncacheable_miss_ff)); + + + assign miss_addr_in[31:pt.ICACHE_BEAT_ADDR_HI+1] = (~miss_pending ) ? imb_ff[31:pt.ICACHE_BEAT_ADDR_HI+1] : + ( scnd_miss_req_q ) ? imb_scnd_ff[31:pt.ICACHE_BEAT_ADDR_HI+1] : miss_addr[31:pt.ICACHE_BEAT_ADDR_HI+1] ; + + + rvdfflie #(.WIDTH(31-pt.ICACHE_BEAT_ADDR_HI),.LEFT(31-pt.ICACHE_BEAT_ADDR_HI-8)) miss_f_ff (.*, .en(bus_ifu_bus_clk_en | ic_act_miss_f | dec_tlu_force_halt), .din ({miss_addr_in[31:pt.ICACHE_BEAT_ADDR_HI+1]}), .dout({miss_addr[31:pt.ICACHE_BEAT_ADDR_HI+1]})); + + + + + + rvdff_fpga #(pt.ICACHE_STATUS_BITS) mb_rep_wayf2_ff (.*, .clk(fetch_bf_f_c1_clk), .clken(fetch_bf_f_c1_clken), .rawclk(clk), .din ({way_status_mb_in[pt.ICACHE_STATUS_BITS-1:0]}), .dout({way_status_mb_ff[pt.ICACHE_STATUS_BITS-1:0]})); + rvdff_fpga #(pt.ICACHE_NUM_WAYS) mb_tagv_ff (.*, .clk(fetch_bf_f_c1_clk), .clken(fetch_bf_f_c1_clken), .rawclk(clk), .din ({tagv_mb_in[pt.ICACHE_NUM_WAYS-1:0]}), .dout({tagv_mb_ff[pt.ICACHE_NUM_WAYS-1:0]})); + + assign ifc_fetch_req_qual_bf = ifc_fetch_req_bf & ~((miss_state == CRIT_WRD_RDY) & flush_final_f) & ~stream_miss_f ;// & ~exu_flush_final ; + + assign ifc_fetch_req_f = ifc_fetch_req_f_raw & ~exu_flush_final ; + + rvdff_fpga #(1) ifu_iccm_acc_ff (.*, .clk(fetch_bf_f_c1_clk), .clken(fetch_bf_f_c1_clken), .rawclk(clk), .din(ifc_iccm_access_bf), .dout(ifc_iccm_access_f)); + rvdff_fpga #(1) ifu_iccm_reg_acc_ff (.*, .clk(fetch_bf_f_c1_clk), .clken(fetch_bf_f_c1_clken), .rawclk(clk), .din(ifc_region_acc_fault_final_bf), .dout(ifc_region_acc_fault_final_f)); + rvdff_fpga #(1) rgn_acc_ff (.*, .clk(fetch_bf_f_c1_clk), .clken(fetch_bf_f_c1_clken), .rawclk(clk), .din(ifc_region_acc_fault_bf), .dout(ifc_region_acc_fault_f)); + + + assign ifu_ic_req_addr_f[31:3] = {miss_addr[31:pt.ICACHE_BEAT_ADDR_HI+1] , ic_req_addr_bits_hi_3[pt.ICACHE_BEAT_ADDR_HI:3] }; + assign ifu_ic_mb_empty = (((miss_state == HIT_U_MISS) | (miss_state == STREAM)) & ~(bus_ifu_wr_en_ff & last_beat)) | ~miss_pending ; + assign ifu_miss_state_idle = (miss_state == IDLE) ; + + + assign sel_mb_addr = ((miss_pending & write_ic_16_bytes & ~uncacheable_miss_ff) | reset_tag_valid_for_miss) ; + assign ifu_ic_rw_int_addr[31:1] = ({31{ sel_mb_addr}} & {imb_ff[31:pt.ICACHE_BEAT_ADDR_HI+1] , ic_wr_addr_bits_hi_3[pt.ICACHE_BEAT_ADDR_HI:3] , imb_ff[2:1]}) | + ({31{~sel_mb_addr}} & ifc_fetch_addr_bf[31:1] ) ; + + assign sel_mb_status_addr = ((miss_pending & write_ic_16_bytes & ~uncacheable_miss_ff & last_beat & bus_ifu_wr_en_ff_q) | reset_tag_valid_for_miss) ; + assign ifu_status_wr_addr[31:1] = ({31{ sel_mb_status_addr}} & {imb_ff[31:pt.ICACHE_BEAT_ADDR_HI+1] , ic_wr_addr_bits_hi_3[pt.ICACHE_BEAT_ADDR_HI:3] , imb_ff[2:1]}) | + ({31{~sel_mb_status_addr}} & ifu_fetch_addr_int_f[31:1] ) ; + + + assign ic_rw_addr[31:1] = ifu_ic_rw_int_addr[31:1] ; + + +if (pt.ICACHE_ECC == 1) begin: icache_ecc_1 + logic [6:0] ic_wr_ecc; + logic [6:0] ic_miss_buff_ecc; + logic [141:0] ic_wr_16bytes_data ; + logic [70:0] ifu_ic_debug_rd_data_in ; + + rvecc_encode_64 ic_ecc_encode_64_bus ( + .din (ifu_bus_rdata_ff[63:0]), + .ecc_out(ic_wr_ecc[6:0])); + rvecc_encode_64 ic_ecc_encode_64_buff ( + .din (ic_miss_buff_half[63:0]), + .ecc_out(ic_miss_buff_ecc[6:0])); + + for (genvar i=0; i < pt.ICACHE_BANKS_WAY ; i++) begin : ic_wr_data_loop + assign ic_wr_data[i][70:0] = ic_wr_16bytes_data[((71*i)+70): (71*i)]; + end + + + assign ic_debug_wr_data[70:0] = {dec_tlu_ic_diag_pkt.icache_wrdata[70:0]} ; + assign ic_error_start = ((|ic_eccerr[pt.ICACHE_BANKS_WAY-1:0]) & ic_act_hit_f) | ic_rd_parity_final_err; + + + + assign ifu_ic_debug_rd_data_in[70:0] = ic_debug_ict_array_sel_ff ? {2'b0,ictag_debug_rd_data[25:21],32'b0,ictag_debug_rd_data[20:0],{7-pt.ICACHE_STATUS_BITS{1'b0}}, way_status[pt.ICACHE_STATUS_BITS-1:0],3'b0,ic_debug_tag_val_rd_out} : + ic_debug_rd_data[70:0]; + + rvdffe #(71) ifu_debug_data_ff (.*, + .en (debug_data_clken), + .din ({ + ifu_ic_debug_rd_data_in[70:0] + }), + .dout({ + ifu_ic_debug_rd_data[70:0] + }) + ); + + assign ic_wr_16bytes_data[141:0] = ifu_bus_rid_ff[0] ? {ic_wr_ecc[6:0] , ifu_bus_rdata_ff[63:0] , ic_miss_buff_ecc[6:0] , ic_miss_buff_half[63:0] } : + {ic_miss_buff_ecc[6:0] , ic_miss_buff_half[63:0] , ic_wr_ecc[6:0] , ifu_bus_rdata_ff[63:0] } ; + + +end +else begin : icache_parity_1 + logic [3:0] ic_wr_parity; + logic [3:0] ic_miss_buff_parity; + logic [135:0] ic_wr_16bytes_data ; + logic [70:0] ifu_ic_debug_rd_data_in ; + for (genvar i=0 ; i < 4 ; i++) begin : DATA_PGEN + rveven_paritygen #(16) par_bus (.data_in (ifu_bus_rdata_ff[((16*i)+15):(16*i)]), + .parity_out(ic_wr_parity[i])); + rveven_paritygen #(16) par_buff (.data_in (ic_miss_buff_half[((16*i)+15):(16*i)]), + .parity_out(ic_miss_buff_parity[i])); + end + + + for (genvar i=0; i < pt.ICACHE_BANKS_WAY ; i++) begin : ic_wr_data_loop + assign ic_wr_data[i][70:0] = {3'b0, ic_wr_16bytes_data[((68*i)+67): (68*i)]}; + end + + + + + + assign ic_debug_wr_data[70:0] = {dec_tlu_ic_diag_pkt.icache_wrdata[70:0]} ; + assign ic_error_start = ((|ic_parerr[pt.ICACHE_BANKS_WAY-1:0]) & ic_act_hit_f) | ic_rd_parity_final_err; + + assign ifu_ic_debug_rd_data_in[70:0] = ic_debug_ict_array_sel_ff ? {6'b0,ictag_debug_rd_data[21],32'b0,ictag_debug_rd_data[20:0],{7-pt.ICACHE_STATUS_BITS{1'b0}},way_status[pt.ICACHE_STATUS_BITS-1:0],3'b0,ic_debug_tag_val_rd_out} : + ic_debug_rd_data[70:0] ; + + rvdffe #(71) ifu_debug_data_ff (.*, + .en (debug_data_clken), + .din ({ + ifu_ic_debug_rd_data_in[70:0] + }), + .dout({ + ifu_ic_debug_rd_data[70:0] + }) + ); + + assign ic_wr_16bytes_data[135:0] = ifu_bus_rid_ff[0] ? {ic_wr_parity[3:0] , ifu_bus_rdata_ff[63:0] , ic_miss_buff_parity[3:0] , ic_miss_buff_half[63:0] } : + {ic_miss_buff_parity[3:0] , ic_miss_buff_half[63:0] , ic_wr_parity[3:0] , ifu_bus_rdata_ff[63:0] } ; + +end + + + assign ifu_wr_data_comb_err = bus_ifu_wr_data_error_ff ; + assign ifu_wr_cumulative_err = (ifu_wr_data_comb_err | ifu_wr_data_comb_err_ff) & ~reset_beat_cnt; + assign ifu_wr_cumulative_err_data = ifu_wr_data_comb_err | ifu_wr_data_comb_err_ff ; + + + assign sel_byp_data = (ic_crit_wd_rdy | (miss_state == STREAM) | (miss_state == CRIT_BYP_OK)); + assign sel_ic_data = ~(ic_crit_wd_rdy | (miss_state == STREAM) | (miss_state == CRIT_BYP_OK) | (miss_state == MISS_WAIT)) & ~fetch_req_iccm_f & ~ifc_region_acc_fault_final_f; + + if (pt.ICCM_ICACHE==1) begin: iccm_icache + assign sel_iccm_data = fetch_req_iccm_f ; + + assign ic_final_data[63:0] = ({64{sel_byp_data | sel_iccm_data | sel_ic_data}} & {ic_rd_data[63:0]} ) ; + + assign ic_premux_data[63:0] = ({64{sel_byp_data }} & {ic_byp_data_only_new[63:0]} ) | + ({64{sel_iccm_data}} & {iccm_rd_data[63:0]}); + + assign ic_sel_premux_data = sel_iccm_data | sel_byp_data ; + end + +if (pt.ICCM_ONLY == 1 ) begin: iccm_only + assign sel_iccm_data = fetch_req_iccm_f ; + assign ic_final_data[63:0] = ({64{sel_byp_data }} & {ic_byp_data_only_new[63:0]} ) | + ({64{sel_iccm_data}} & {iccm_rd_data[63:0]}); + assign ic_premux_data = '0 ; + assign ic_sel_premux_data = '0 ; +end + +if (pt.ICACHE_ONLY == 1 ) begin: icache_only + assign ic_final_data[63:0] = ({64{sel_byp_data | sel_ic_data}} & {ic_rd_data[63:0]} ) ; + assign ic_premux_data[63:0] = ({64{sel_byp_data }} & {ic_byp_data_only_new[63:0]} ) ; + assign ic_sel_premux_data = sel_byp_data ; +end + + +if (pt.NO_ICCM_NO_ICACHE == 1 ) begin: no_iccm_no_icache + assign ic_final_data[63:0] = ({64{sel_byp_data }} & {ic_byp_data_only_new[63:0]} ) ; + assign ic_premux_data = 0 ; + assign ic_sel_premux_data = '0 ; +end + + + assign ifc_bus_acc_fault_f[1:0] = {2{ic_byp_hit_f}} & ifu_byp_data_err_f[1:0] ; + assign ic_data_f[31:0] = ic_final_data[31:0]; + + + +assign fetch_req_f_qual = ic_hit_f & ~exu_flush_final; +assign ic_access_fault_f[1:0] = ({2{ifc_region_acc_fault_final_f}} | ifc_bus_acc_fault_f[1:0]) & {2{~exu_flush_final}}; +assign ic_access_fault_type_f[1:0] = |iccm_rd_ecc_double_err ? 2'b01 : + ifc_region_acc_fault_f ? 2'b10 : + ifc_region_acc_fault_memory_f ? 2'b11 : 2'b00 ; + + // right justified + +assign ic_fetch_val_f[1] = fetch_req_f_qual & ifu_bp_inst_mask_f & ~(vaddr_f[pt.ICACHE_BEAT_ADDR_HI:1] == {pt.ICACHE_BEAT_ADDR_HI{1'b1}}) & (err_stop_state != ERR_FETCH2); +assign ic_fetch_val_f[0] = fetch_req_f_qual ; +assign two_byte_instr = (ic_data_f[1:0] != 2'b11 ) ; + +///////////////////////////////////////////////////////////////////////////////////// +// Create full buffer... // +///////////////////////////////////////////////////////////////////////////////////// + logic [63:0] ic_miss_buff_data_in; + assign ic_miss_buff_data_in[63:0] = ifu_bus_rsp_rdata[63:0]; + + for (genvar i=0; i<pt.ICACHE_NUM_BEATS; i++) begin : wr_flop + + assign write_fill_data[i] = bus_ifu_wr_en & ( (pt.IFU_BUS_TAG)'(i) == ifu_bus_rsp_tag[pt.IFU_BUS_TAG-1:0]); + + rvdffe #(32) byp_data_0_ff (.*, + .en (write_fill_data[i]), + .din (ic_miss_buff_data_in[31:0]), + .dout(ic_miss_buff_data[i*2][31:0]) + ); + + rvdffe #(32) byp_data_1_ff (.*, + .en (write_fill_data[i]), + .din (ic_miss_buff_data_in[63:32]), + .dout(ic_miss_buff_data[i*2+1][31:0]) + ); + + assign ic_miss_buff_data_valid_in[i] = write_fill_data[i] ? 1'b1 : (ic_miss_buff_data_valid[i] & ~ic_act_miss_f) ; + + rvdff #(1) byp_data_valid_ff (.*, + .clk (active_clk), + .din (ic_miss_buff_data_valid_in[i]), + .dout(ic_miss_buff_data_valid[i])); + + assign ic_miss_buff_data_error_in[i] = write_fill_data[i] ? bus_ifu_wr_data_error : (ic_miss_buff_data_error[i] & ~ic_act_miss_f) ; + + rvdff #(1) byp_data_error_ff (.*, + .clk (active_clk), + .din (ic_miss_buff_data_error_in[i] ), + .dout(ic_miss_buff_data_error[i])); + end + +///////////////////////////////////////////////////////////////////////////////////// +// New bypass ready // +///////////////////////////////////////////////////////////////////////////////////// + logic [pt.ICACHE_BEAT_ADDR_HI:1] bypass_index; + logic [pt.ICACHE_BEAT_ADDR_HI:3] bypass_index_5_3_inc; + logic bypass_data_ready_in; + logic ic_crit_wd_rdy_new_in; + + assign bypass_index[pt.ICACHE_BEAT_ADDR_HI:1] = imb_ff[pt.ICACHE_BEAT_ADDR_HI:1] ; + assign bypass_index_5_3_inc[pt.ICACHE_BEAT_ADDR_HI:3] = bypass_index[pt.ICACHE_BEAT_ADDR_HI:3] + 1 ; + + + assign bypass_data_ready_in = ((ic_miss_buff_data_valid_in[bypass_index[pt.ICACHE_BEAT_ADDR_HI:3]] & ~bypass_index[2] & ~bypass_index[1])) | + ((ic_miss_buff_data_valid_in[bypass_index[pt.ICACHE_BEAT_ADDR_HI:3]] & ~bypass_index[2] & bypass_index[1])) | + ((ic_miss_buff_data_valid_in[bypass_index[pt.ICACHE_BEAT_ADDR_HI:3]] & bypass_index[2] & ~bypass_index[1])) | + ((ic_miss_buff_data_valid_in[bypass_index[pt.ICACHE_BEAT_ADDR_HI:3]] & ic_miss_buff_data_valid_in[bypass_index_5_3_inc[pt.ICACHE_BEAT_ADDR_HI:3]] & bypass_index[2] & bypass_index[1])) | + ((ic_miss_buff_data_valid_in[bypass_index[pt.ICACHE_BEAT_ADDR_HI:3]] & (bypass_index[pt.ICACHE_BEAT_ADDR_HI:3] == {pt.ICACHE_BEAT_ADDR_HI{1'b1}}))) ; + + + + assign ic_crit_wd_rdy_new_in = ( bypass_data_ready_in & crit_wd_byp_ok_ff & uncacheable_miss_ff & ~exu_flush_final & ~ifu_bp_hit_taken_q_f) | + ( crit_wd_byp_ok_ff & ~uncacheable_miss_ff & ~exu_flush_final & ~ifu_bp_hit_taken_q_f) | + (ic_crit_wd_rdy_new_ff & ~fetch_req_icache_f & crit_wd_byp_ok_ff & ~exu_flush_final) ; + + + assign byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:1] = ifu_fetch_addr_int_f[pt.ICACHE_BEAT_ADDR_HI:1] ; + assign byp_fetch_index_0[pt.ICACHE_BEAT_ADDR_HI:2] = {ifu_fetch_addr_int_f[pt.ICACHE_BEAT_ADDR_HI:3],1'b0} ; + assign byp_fetch_index_1[pt.ICACHE_BEAT_ADDR_HI:2] = {ifu_fetch_addr_int_f[pt.ICACHE_BEAT_ADDR_HI:3],1'b1} ; + assign byp_fetch_index_inc[pt.ICACHE_BEAT_ADDR_HI:3] = ifu_fetch_addr_int_f[pt.ICACHE_BEAT_ADDR_HI:3]+1'b1 ; + assign byp_fetch_index_inc_0[pt.ICACHE_BEAT_ADDR_HI:2] = {byp_fetch_index_inc[pt.ICACHE_BEAT_ADDR_HI:3], 1'b0} ; + assign byp_fetch_index_inc_1[pt.ICACHE_BEAT_ADDR_HI:2] = {byp_fetch_index_inc[pt.ICACHE_BEAT_ADDR_HI:3], 1'b1} ; + + assign ifu_byp_data_err_new = (~ifu_fetch_addr_int_f[2] & ~ifu_fetch_addr_int_f[1] & ic_miss_buff_data_error[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] ) | + (~ifu_fetch_addr_int_f[2] & ifu_fetch_addr_int_f[1] & ic_miss_buff_data_error[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] ) | + ( ifu_fetch_addr_int_f[2] & ~ifu_fetch_addr_int_f[1] & ic_miss_buff_data_error[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] ) | + ( ifu_fetch_addr_int_f[2] & ifu_fetch_addr_int_f[1] & (ic_miss_buff_data_error[byp_fetch_index_inc[pt.ICACHE_BEAT_ADDR_HI:3]] | ic_miss_buff_data_error[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] )) ; + + assign ifu_byp_data_err_f[1:0] = (ic_miss_buff_data_error[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] ) ? 2'b11 : + ( ifu_fetch_addr_int_f[2] & ifu_fetch_addr_int_f[1] & ~(ic_miss_buff_data_error[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] ) & (~miss_wrap_f & ic_miss_buff_data_error[byp_fetch_index_inc[pt.ICACHE_BEAT_ADDR_HI:3]])) ? 2'b10 : 2'b00; + + + + + + assign ic_byp_data_only_pre_new[79:0] = ({80{~ifu_fetch_addr_int_f[2]}} & {ic_miss_buff_data[byp_fetch_index_inc_0][15:0],ic_miss_buff_data[byp_fetch_index_1][31:0] , ic_miss_buff_data[byp_fetch_index_0][31:0]}) | + ({80{ ifu_fetch_addr_int_f[2]}} & {ic_miss_buff_data[byp_fetch_index_inc_1][15:0],ic_miss_buff_data[byp_fetch_index_inc_0][31:0] , ic_miss_buff_data[byp_fetch_index_1][31:0]}) ; + + assign ic_byp_data_only_new[79:0] = ~ifu_fetch_addr_int_f[1] ? {ic_byp_data_only_pre_new[79:0]} : + {16'b0,ic_byp_data_only_pre_new[79:16]} ; + + assign miss_wrap_f = (imb_ff[pt.ICACHE_TAG_INDEX_LO] != ifu_fetch_addr_int_f[pt.ICACHE_TAG_INDEX_LO] ) ; + + assign miss_buff_hit_unq_f = ((ic_miss_buff_data_valid[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] & ~byp_fetch_index[2] & ~byp_fetch_index[1])) | + ((ic_miss_buff_data_valid[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] & ~byp_fetch_index[2] & byp_fetch_index[1])) | + ((ic_miss_buff_data_valid[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] & byp_fetch_index[2] & ~byp_fetch_index[1])) | + ((ic_miss_buff_data_valid[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] & ic_miss_buff_data_valid[byp_fetch_index_inc[pt.ICACHE_BEAT_ADDR_HI:3]] & byp_fetch_index[2] & byp_fetch_index[1])) | + ((ic_miss_buff_data_valid[byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3]] & (byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:3] == {pt.ICACHE_BEAT_BITS{1'b1}}))) ; + + assign stream_hit_f = (miss_buff_hit_unq_f & ~miss_wrap_f ) & (miss_state==STREAM) ; + assign stream_miss_f = ~(miss_buff_hit_unq_f & ~miss_wrap_f ) & (miss_state==STREAM) & ifc_fetch_req_f; + assign stream_eol_f = (byp_fetch_index[pt.ICACHE_BEAT_ADDR_HI:2] == {pt.ICACHE_BEAT_BITS+1{1'b1}}) & ifc_fetch_req_f & stream_hit_f; + + assign crit_byp_hit_f = (miss_buff_hit_unq_f ) & ((miss_state == CRIT_WRD_RDY) | (miss_state==CRIT_BYP_OK)) ; + +///////////////////////////////////////////////////////////////////////////////////// +// Figure out if you have the data to write. // +///////////////////////////////////////////////////////////////////////////////////// + +assign other_tag[pt.IFU_BUS_TAG-1:0] = {ifu_bus_rid_ff[pt.IFU_BUS_TAG-1:1] , ~ifu_bus_rid_ff[0] } ; +assign second_half_available = ic_miss_buff_data_valid[other_tag] ; +assign write_ic_16_bytes = second_half_available & bus_ifu_wr_en_ff ; +assign ic_miss_buff_half[63:0] = {ic_miss_buff_data[{other_tag,1'b1}],ic_miss_buff_data[{other_tag,1'b0}] } ; + + +///////////////////////////////////////////////////////////////////////////////////// +// Parity checking logic for Icache logic. // +///////////////////////////////////////////////////////////////////////////////////// + + +assign ic_rd_parity_final_err = ic_tag_perr & ~exu_flush_final & sel_ic_data & ~(ifc_region_acc_fault_final_f | (|ifc_bus_acc_fault_f)) & + (fetch_req_icache_f & ~reset_all_tags & (~miss_pending | (miss_state==HIT_U_MISS)) & ~sel_mb_addr_ff); + +logic [pt.ICACHE_NUM_WAYS-1:0] perr_err_inv_way; +logic [pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] perr_ic_index_ff; +logic perr_sel_invalidate; +logic perr_sb_write_status ; + + + + rvdffe #(.WIDTH(pt.ICACHE_INDEX_HI-pt.ICACHE_TAG_INDEX_LO+1),.OVERRIDE(1)) perr_dat_ff (.din(ifu_ic_rw_int_addr_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO]), .dout(perr_ic_index_ff[pt.ICACHE_INDEX_HI : pt.ICACHE_TAG_INDEX_LO]), .en(perr_sb_write_status), .*); + + assign perr_err_inv_way[pt.ICACHE_NUM_WAYS-1:0] = {pt.ICACHE_NUM_WAYS{perr_sel_invalidate}} ; + assign iccm_correct_ecc = (perr_state == ECC_CORR); + assign dma_sb_err_state = (perr_state == DMA_SB_ERR); + assign iccm_buf_correct_ecc = iccm_correct_ecc & ~dma_sb_err_state_ff; + + + + //////////////////////////////////// Create Parity Error State Machine /////////////////////// + // Create Parity Error State Machine // + // Create Parity Error State Machine // + // Create Parity Error State Machine // + //////////////////////////////////// Create Parity Error State Machine /////////////////////// + + + // FIFO state machine + always_comb begin : ERROR_SM + perr_nxtstate = ERR_IDLE; + perr_state_en = 1'b0; + perr_sb_write_status = 1'b0; + perr_sel_invalidate = 1'b0; + + case (perr_state) + ERR_IDLE: begin : err_idle + perr_nxtstate = iccm_dma_sb_error ? DMA_SB_ERR : (ic_error_start & ~exu_flush_final) ? IC_WFF : ECC_WFF; + perr_state_en = (((iccm_error_start | ic_error_start) & ~exu_flush_final) | iccm_dma_sb_error) & ~dec_tlu_force_halt; + perr_sb_write_status = perr_state_en; + end + IC_WFF: begin : icache_wff // All the I$ data and/or Tag errors ( parity/ECC ) will come to this state + perr_nxtstate = ERR_IDLE ; + perr_state_en = dec_tlu_flush_lower_wb | dec_tlu_force_halt ; + perr_sel_invalidate = (dec_tlu_flush_err_wb & dec_tlu_flush_lower_wb); + end + ECC_WFF: begin : ecc_wff + perr_nxtstate = ((~dec_tlu_flush_err_wb & dec_tlu_flush_lower_wb ) | dec_tlu_force_halt) ? ERR_IDLE : ECC_CORR ; + perr_state_en = dec_tlu_flush_lower_wb | dec_tlu_force_halt ; + end + DMA_SB_ERR : begin : dma_sb_ecc + perr_nxtstate = dec_tlu_force_halt ? ERR_IDLE : ECC_CORR; + perr_state_en = 1'b1; + end + ECC_CORR: begin : ecc_corr + perr_nxtstate = ERR_IDLE ; + perr_state_en = 1'b1 ; + end + default: begin : def_case + perr_nxtstate = ERR_IDLE; + perr_state_en = 1'b0; + perr_sb_write_status = 1'b0; + perr_sel_invalidate = 1'b0; + end + endcase + end + + rvdffs #(($bits(perr_state_t))) perr_state_ff (.clk(active_clk), .din(perr_nxtstate), .dout({perr_state}), .en(perr_state_en), .*); + + //////////////////////////////////// Create stop fetch State Machine ///////////////////////// + //////////////////////////////////// Create stop fetch State Machine ///////////////////////// + //////////////////////////////////// Create stop fetch State Machine ///////////////////////// + //////////////////////////////////// Create stop fetch State Machine ///////////////////////// + //////////////////////////////////// Create stop fetch State Machine ///////////////////////// + always_comb begin : ERROR_STOP_FETCH + err_stop_nxtstate = ERR_STOP_IDLE; + err_stop_state_en = 1'b0; + err_stop_fetch = 1'b0; + iccm_correction_state = 1'b0; + + case (err_stop_state) + ERR_STOP_IDLE: begin : err_stop_idle + err_stop_nxtstate = ERR_FETCH1; + err_stop_state_en = dec_tlu_flush_err_wb & (perr_state == ECC_WFF) & ~dec_tlu_force_halt; + end + ERR_FETCH1: begin : err_fetch1 // All the I$ data and/or Tag errors ( parity/ECC ) will come to this state + err_stop_nxtstate = (dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt | dec_tlu_force_halt) ? ERR_STOP_IDLE : ((ifu_fetch_val[1:0] == 2'b11) | (ifu_fetch_val[0] & two_byte_instr)) ? ERR_STOP_FETCH : ifu_fetch_val[0] ? ERR_FETCH2 : ERR_FETCH1; + err_stop_state_en = dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt | ifu_fetch_val[0] | ifu_bp_hit_taken_q_f | dec_tlu_force_halt; + err_stop_fetch = ((ifu_fetch_val[1:0] == 2'b11) | (ifu_fetch_val[0] & two_byte_instr)) & ~(exu_flush_final | dec_tlu_i0_commit_cmt); + iccm_correction_state = 1'b1; + + end + ERR_FETCH2: begin : err_fetch2 // All the I$ data and/or Tag errors ( parity/ECC ) will come to this state + err_stop_nxtstate = (dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt | dec_tlu_force_halt) ? ERR_STOP_IDLE : ifu_fetch_val[0] ? ERR_STOP_FETCH : ERR_FETCH2; + err_stop_state_en = dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt | ifu_fetch_val[0] | dec_tlu_force_halt ; + err_stop_fetch = ifu_fetch_val[0] & ~exu_flush_final & ~dec_tlu_i0_commit_cmt ; + iccm_correction_state = 1'b1; + + end + ERR_STOP_FETCH: begin : ecc_wff + err_stop_nxtstate = ( (dec_tlu_flush_lower_wb & ~dec_tlu_flush_err_wb) | dec_tlu_i0_commit_cmt | dec_tlu_force_halt) ? ERR_STOP_IDLE : dec_tlu_flush_err_wb ? ERR_FETCH1 : ERR_STOP_FETCH ; + err_stop_state_en = dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt | dec_tlu_force_halt ; + err_stop_fetch = 1'b1; + iccm_correction_state = 1'b1; + + end + default: begin : def_case + err_stop_nxtstate = ERR_STOP_IDLE; + err_stop_state_en = 1'b0; + err_stop_fetch = 1'b0 ; + iccm_correction_state = 1'b1; + + end + endcase + end + rvdffs #(($bits(err_stop_state_t))) err_stop_state_ff (.clk(active_clk), .din(err_stop_nxtstate), .dout({err_stop_state}), .en(err_stop_state_en), .*); + + + + assign bus_ifu_bus_clk_en = ifu_bus_clk_en ; + + rvclkhdr bus_clk_f(.en(bus_ifu_bus_clk_en), .l1clk(busclk), .*); + rvclkhdr bus_clk(.en(bus_ifu_bus_clk_en | dec_tlu_force_halt), .l1clk(busclk_force), .*); + + + + + assign scnd_miss_req = scnd_miss_req_q & ~exu_flush_final; + + assign ifc_bus_ic_req_ff_in = (ic_act_miss_f | bus_cmd_req_hold | ifu_bus_cmd_valid) & ~dec_tlu_force_halt & ~((bus_cmd_beat_count== {pt.ICACHE_BEAT_BITS{1'b1}}) & ifu_bus_cmd_valid & ifu_bus_cmd_ready & miss_pending); + + rvdff_fpga #(1) bus_ic_req_ff2(.*, .clk(busclk_force), .clken(bus_ifu_bus_clk_en | dec_tlu_force_halt), .rawclk(clk), .din(ifc_bus_ic_req_ff_in), .dout(ifu_bus_cmd_valid)); + + assign bus_cmd_req_in = (ic_act_miss_f | bus_cmd_req_hold) & ~bus_cmd_sent & ~dec_tlu_force_halt ; // hold until first command sent + + + + // AXI command signals + // Read Channel + assign ifu_axi_arvalid = ifu_bus_cmd_valid ; + assign ifu_axi_arid[pt.IFU_BUS_TAG-1:0] = ((pt.IFU_BUS_TAG)'(bus_rd_addr_count[pt.ICACHE_BEAT_BITS-1:0])) & {pt.IFU_BUS_TAG{ifu_bus_cmd_valid}}; + assign ifu_axi_araddr[31:0] = {ifu_ic_req_addr_f[31:3],3'b0} & {32{ifu_bus_cmd_valid}}; + assign ifu_axi_arsize[2:0] = 3'b011; + assign ifu_axi_arprot[2:0] = 3'b101; + assign ifu_axi_arcache[3:0] = 4'b1111; + assign ifu_axi_arregion[3:0] = ifu_ic_req_addr_f[31:28]; + assign ifu_axi_arlen[7:0] = '0; + assign ifu_axi_arburst[1:0] = 2'b01; + assign ifu_axi_arqos[3:0] = '0; + assign ifu_axi_arlock = '0; + assign ifu_axi_rready = 1'b1; + + // Write Channel + assign ifu_axi_awvalid = '0 ; + assign ifu_axi_awid[pt.IFU_BUS_TAG-1:0] = '0 ; + assign ifu_axi_awaddr[31:0] = '0 ; + assign ifu_axi_awsize[2:0] = '0 ; + assign ifu_axi_awprot[2:0] = '0; + assign ifu_axi_awcache[3:0] = '0 ; + assign ifu_axi_awregion[3:0] = '0 ; + assign ifu_axi_awlen[7:0] = '0; + assign ifu_axi_awburst[1:0] = '0 ; + assign ifu_axi_awqos[3:0] = '0; + assign ifu_axi_awlock = '0; + + assign ifu_axi_wvalid = '0; + assign ifu_axi_wstrb[7:0] = '0; + assign ifu_axi_wdata[63:0] = '0; + assign ifu_axi_wlast = '0; + assign ifu_axi_bready = '0; + + + assign ifu_bus_arready_unq = ifu_axi_arready ; + assign ifu_bus_rvalid_unq = ifu_axi_rvalid ; + assign ifu_bus_arvalid = ifu_axi_arvalid ; + + rvdff_fpga #(1) bus_rdy_ff (.*, .clk(busclk), .clken(bus_ifu_bus_clk_en), .rawclk(clk), .din(ifu_bus_arready_unq), .dout(ifu_bus_arready_unq_ff)); + rvdff_fpga #(1) bus_rsp_vld_ff (.*, .clk(busclk), .clken(bus_ifu_bus_clk_en), .rawclk(clk), .din(ifu_bus_rvalid_unq), .dout(ifu_bus_rvalid_unq_ff)); + rvdff_fpga #(1) bus_cmd_ff (.*, .clk(busclk), .clken(bus_ifu_bus_clk_en), .rawclk(clk), .din(ifu_bus_arvalid), .dout(ifu_bus_arvalid_ff)); + rvdff_fpga #(2) bus_rsp_cmd_ff (.*, .clk(busclk), .clken(bus_ifu_bus_clk_en), .rawclk(clk), .din(ifu_axi_rresp[1:0]), .dout(ifu_bus_rresp_ff[1:0])); + rvdff_fpga #(pt.IFU_BUS_TAG) bus_rsp_tag_ff (.*, .clk(busclk), .clken(bus_ifu_bus_clk_en), .rawclk(clk), .din(ifu_axi_rid[pt.IFU_BUS_TAG-1:0]),.dout(ifu_bus_rid_ff[pt.IFU_BUS_TAG-1:0])); + rvdffe #(64) bus_data_ff (.*, .clk(clk), .din(ifu_axi_rdata[63:0]), .dout(ifu_bus_rdata_ff[63:0]), .en(ifu_bus_clk_en & ifu_axi_rvalid)); + + assign ifu_bus_cmd_ready = ifu_axi_arready ; + assign ifu_bus_rsp_valid = ifu_axi_rvalid ; + assign ifu_bus_rsp_ready = ifu_axi_rready ; + assign ifu_bus_rsp_tag[pt.IFU_BUS_TAG-1:0] = ifu_axi_rid[pt.IFU_BUS_TAG-1:0] ; + assign ifu_bus_rsp_rdata[63:0] = ifu_axi_rdata[63:0] ; + assign ifu_bus_rsp_opc[1:0] = {ifu_axi_rresp[1:0]} ; + + + + + + + + + + // Create write signals so we can write to the miss-buffer directly from the bus. + + assign ifu_bus_rvalid = ifu_bus_rsp_valid & bus_ifu_bus_clk_en ; + + + + assign ifu_bus_arready = ifu_bus_arready_unq & bus_ifu_bus_clk_en ; + assign ifu_bus_arready_ff = ifu_bus_arready_unq_ff & bus_ifu_bus_clk_en_ff ; + + assign ifu_bus_rvalid_ff = ifu_bus_rvalid_unq_ff & bus_ifu_bus_clk_en_ff ; + assign bus_cmd_sent = ifu_bus_arvalid & ifu_bus_arready & miss_pending & ~dec_tlu_force_halt; + assign bus_inc_data_beat_cnt = (bus_ifu_wr_en_ff & ~bus_last_data_beat & ~dec_tlu_force_halt) ; + assign bus_reset_data_beat_cnt = ic_act_miss_f | (bus_ifu_wr_en_ff & bus_last_data_beat) | dec_tlu_force_halt; + assign bus_hold_data_beat_cnt = ~bus_inc_data_beat_cnt & ~bus_reset_data_beat_cnt ; + + assign bus_new_data_beat_count[pt.ICACHE_BEAT_BITS-1:0] = ({pt.ICACHE_BEAT_BITS{bus_reset_data_beat_cnt}} & (pt.ICACHE_BEAT_BITS)'(0)) | + ({pt.ICACHE_BEAT_BITS{bus_inc_data_beat_cnt}} & (bus_data_beat_count[pt.ICACHE_BEAT_BITS-1:0] + {{pt.ICACHE_BEAT_BITS-1{1'b0}},1'b1})) | + ({pt.ICACHE_BEAT_BITS{bus_hold_data_beat_cnt}} & bus_data_beat_count[pt.ICACHE_BEAT_BITS-1:0]); + + + assign last_data_recieved_in = (bus_ifu_wr_en_ff & bus_last_data_beat & ~scnd_miss_req) | (last_data_recieved_ff & ~ic_act_miss_f) ; + + + +// Request Address Count + assign bus_new_rd_addr_count[pt.ICACHE_BEAT_BITS-1:0] = (~miss_pending ) ? imb_ff[pt.ICACHE_BEAT_ADDR_HI:3] : + ( scnd_miss_req_q ) ? imb_scnd_ff[pt.ICACHE_BEAT_ADDR_HI:3] : + ( bus_cmd_sent ) ? (bus_rd_addr_count[pt.ICACHE_BEAT_BITS-1:0] + 3'b001) : + bus_rd_addr_count[pt.ICACHE_BEAT_BITS-1:0]; + + rvdff_fpga #(pt.ICACHE_BEAT_BITS) bus_rd_addr_ff (.*, .clk(busclk_reset), .clken (bus_ifu_bus_clk_en | ic_act_miss_f | dec_tlu_force_halt), .rawclk(clk), .din ({bus_new_rd_addr_count[pt.ICACHE_BEAT_BITS-1:0]}), .dout({bus_rd_addr_count[pt.ICACHE_BEAT_BITS-1:0]})); + + + +// command beat Count + assign bus_inc_cmd_beat_cnt = ifu_bus_cmd_valid & ifu_bus_cmd_ready & miss_pending & ~dec_tlu_force_halt; + assign bus_reset_cmd_beat_cnt_0 = (ic_act_miss_f & ~uncacheable_miss_in) | dec_tlu_force_halt ; + assign bus_reset_cmd_beat_cnt_secondlast = ic_act_miss_f & uncacheable_miss_in ; + assign bus_hold_cmd_beat_cnt = ~bus_inc_cmd_beat_cnt & ~(ic_act_miss_f | scnd_miss_req | dec_tlu_force_halt) ; + assign bus_cmd_beat_en = bus_inc_cmd_beat_cnt | ic_act_miss_f | dec_tlu_force_halt; + + assign bus_new_cmd_beat_count[pt.ICACHE_BEAT_BITS-1:0] = ({pt.ICACHE_BEAT_BITS{bus_reset_cmd_beat_cnt_0}} & (pt.ICACHE_BEAT_BITS)'(0) ) | + ({pt.ICACHE_BEAT_BITS{bus_reset_cmd_beat_cnt_secondlast}} & (pt.ICACHE_BEAT_BITS)'(pt.ICACHE_SCND_LAST)) | + ({pt.ICACHE_BEAT_BITS{bus_inc_cmd_beat_cnt}} & (bus_cmd_beat_count[pt.ICACHE_BEAT_BITS-1:0] + {{pt.ICACHE_BEAT_BITS-1{1'b0}}, 1'b1})) | + ({pt.ICACHE_BEAT_BITS{bus_hold_cmd_beat_cnt}} & bus_cmd_beat_count[pt.ICACHE_BEAT_BITS-1:0]) ; + + + rvclkhdr bus_clk_reset(.en(bus_ifu_bus_clk_en | ic_act_miss_f | dec_tlu_force_halt), .l1clk(busclk_reset), .*); + + + + + rvdffs_fpga #(pt.ICACHE_BEAT_BITS) bus_cmd_beat_ff (.*, .clk(busclk_reset), .clken (bus_ifu_bus_clk_en | ic_act_miss_f | dec_tlu_force_halt), .rawclk(clk), .en (bus_cmd_beat_en), .din ({bus_new_cmd_beat_count[pt.ICACHE_BEAT_BITS-1:0]}), + .dout({bus_cmd_beat_count[pt.ICACHE_BEAT_BITS-1:0]})); + + + assign bus_last_data_beat = uncacheable_miss_ff ? (bus_data_beat_count[pt.ICACHE_BEAT_BITS-1:0] == {{pt.ICACHE_BEAT_BITS-1{1'b0}},1'b1}) : (&bus_data_beat_count[pt.ICACHE_BEAT_BITS-1:0]); + + assign bus_ifu_wr_en = ifu_bus_rvalid & miss_pending ; + assign bus_ifu_wr_en_ff = ifu_bus_rvalid_ff & miss_pending ; + assign bus_ifu_wr_en_ff_q = ifu_bus_rvalid_ff & miss_pending & ~uncacheable_miss_ff & ~(|ifu_bus_rresp_ff[1:0]) & write_ic_16_bytes; // qualify with no-error conditions ; + assign bus_ifu_wr_en_ff_wo_err = ifu_bus_rvalid_ff & miss_pending & ~uncacheable_miss_ff; + + + rvdffie #(10) misc_ff + ( .*, + .clk(free_l2clk), + .din( {ic_act_miss_f, ifu_wr_cumulative_err,exu_flush_final, ic_crit_wd_rdy_new_in,bus_ifu_bus_clk_en, scnd_miss_req_in,bus_cmd_req_in, last_data_recieved_in, +ifc_dma_access_ok_d, dma_iccm_req}), + .dout({ic_act_miss_f_delayed,ifu_wr_data_comb_err_ff, flush_final_f,ic_crit_wd_rdy_new_ff,bus_ifu_bus_clk_en_ff,scnd_miss_req_q, bus_cmd_req_hold,last_data_recieved_ff, +ifc_dma_access_ok_prev,dma_iccm_req_f}) + ); + + rvdffie #(.WIDTH(pt.ICACHE_BEAT_BITS+5),.OVERRIDE(1)) misc1_ff + ( .*, + .clk(free_l2clk), + .din( {reset_ic_in,sel_mb_addr, bus_new_data_beat_count[pt.ICACHE_BEAT_BITS-1:0],ifc_region_acc_fault_memory_bf,ic_debug_rd_en, ic_debug_rd_en_ff}), + .dout({reset_ic_ff,sel_mb_addr_ff,bus_data_beat_count[pt.ICACHE_BEAT_BITS-1:0], ifc_region_acc_fault_memory_f, ic_debug_rd_en_ff,ifu_ic_debug_rd_data_valid}) + ); + + assign reset_tag_valid_for_miss = ic_act_miss_f_delayed & (miss_state == CRIT_BYP_OK) & ~uncacheable_miss_ff; + assign bus_ifu_wr_data_error = |ifu_bus_rsp_opc[1:0] & ifu_bus_rvalid & miss_pending; + assign bus_ifu_wr_data_error_ff = |ifu_bus_rresp_ff[1:0] & ifu_bus_rvalid_ff & miss_pending; + + + assign ic_crit_wd_rdy = ic_crit_wd_rdy_new_in | ic_crit_wd_rdy_new_ff ; + assign last_beat = bus_last_data_beat & bus_ifu_wr_en_ff; + assign reset_beat_cnt = bus_reset_data_beat_cnt ; + +// DMA + // Making sure that the dma_access is allowed when we have 2 back to back dma_access_ok. Also gating with current state == idle + assign ifc_dma_access_ok_d = ifc_dma_access_ok & ~iccm_correct_ecc & ~iccm_dma_sb_error; + assign ifc_dma_access_q_ok = ifc_dma_access_ok & ~iccm_correct_ecc & ifc_dma_access_ok_prev & (perr_state == ERR_IDLE) & ~iccm_dma_sb_error; + assign iccm_ready = ifc_dma_access_q_ok ; + + logic [1:0] iccm_ecc_word_enable; + + if (pt.ICCM_ENABLE == 1 ) begin: iccm_enabled + logic [3:2] dma_mem_addr_ff ; + logic iccm_dma_rden ; + + logic iccm_dma_ecc_error_in; + logic [13:0] dma_mem_ecc; + logic [63:0] iccm_dma_rdata_in; + logic [31:0] iccm_dma_rdata_1_muxed; + logic [1:0] [31:0] iccm_corrected_data; + logic [1:0] [06:0] iccm_corrected_ecc; + + + logic [1:0] iccm_double_ecc_error; + + + logic [pt.ICCM_BITS-1:2] iccm_rw_addr_f; + + logic [31:0] iccm_corrected_data_f_mux; + logic [06:0] iccm_corrected_ecc_f_mux; + logic iccm_dma_rvalid_in; + logic [77:0] iccm_rdmux_data; + logic iccm_rd_ecc_single_err_hold_in ; + logic [2:0] dma_mem_tag_ff; + + + + + assign iccm_wren = (ifc_dma_access_q_ok & dma_iccm_req & dma_mem_write) | iccm_correct_ecc; + assign iccm_rden = (ifc_dma_access_q_ok & dma_iccm_req & ~dma_mem_write) | (ifc_iccm_access_bf & ifc_fetch_req_bf); + assign iccm_dma_rden = (ifc_dma_access_q_ok & dma_iccm_req & ~dma_mem_write) ; + assign iccm_wr_size[2:0] = {3{dma_iccm_req}} & dma_mem_sz[2:0] ; + + rvecc_encode iccm_ecc_encode0 ( + .din(dma_mem_wdata[31:0]), + .ecc_out(dma_mem_ecc[6:0])); + + rvecc_encode iccm_ecc_encode1 ( + .din(dma_mem_wdata[63:32]), + .ecc_out(dma_mem_ecc[13:7])); + + assign iccm_wr_data[77:0] = (iccm_correct_ecc & ~(ifc_dma_access_q_ok & dma_iccm_req)) ? {iccm_ecc_corr_data_ff[38:0], iccm_ecc_corr_data_ff[38:0]} : + {dma_mem_ecc[13:7],dma_mem_wdata[63:32], dma_mem_ecc[6:0],dma_mem_wdata[31:0]}; + + assign iccm_dma_rdata_1_muxed[31:0] = dma_mem_addr_ff[2] ? iccm_corrected_data[0][31:0] : iccm_corrected_data[1][31:0] ; + assign iccm_dma_rdata_in[63:0] = iccm_dma_ecc_error_in ? {2{dma_mem_addr[31:0]}} : {iccm_dma_rdata_1_muxed[31:0], iccm_corrected_data[0]}; + assign iccm_dma_ecc_error_in = |(iccm_double_ecc_error[1:0]); + + rvdffe #(64) dma_data_ff (.*, .clk(clk), .en(iccm_dma_rvalid_in), .din(iccm_dma_rdata_in[63:0]), .dout(iccm_dma_rdata[63:0])); + rvdffie #(11) dma_misc_bits (.*, .clk(free_l2clk), .din({dma_mem_tag[2:0], + dma_mem_tag_ff[2:0], + dma_mem_addr[3:2], + iccm_dma_rden, + iccm_dma_rvalid_in, + iccm_dma_ecc_error_in }), + .dout({dma_mem_tag_ff[2:0], + iccm_dma_rtag[2:0], + dma_mem_addr_ff[3:2], + iccm_dma_rvalid_in, + iccm_dma_rvalid, + iccm_dma_ecc_error })); + + assign iccm_rw_addr[pt.ICCM_BITS-1:1] = ( ifc_dma_access_q_ok & dma_iccm_req & ~iccm_correct_ecc) ? dma_mem_addr[pt.ICCM_BITS-1:1] : + (~(ifc_dma_access_q_ok & dma_iccm_req) & iccm_correct_ecc) ? {iccm_ecc_corr_index_ff[pt.ICCM_BITS-1:2],1'b0} : ifc_fetch_addr_bf[pt.ICCM_BITS-1:1] ; + + + + +///////////////////////////////////////////////////////////////////////////////////// +// ECC checking logic for ICCM data. // +///////////////////////////////////////////////////////////////////////////////////// + + logic [3:0] ic_fetch_val_int_f; + logic [3:0] ic_fetch_val_shift_right; + assign ic_fetch_val_int_f[3:0] = {2'b00 , ic_fetch_val_f[1:0] } ; + assign ic_fetch_val_shift_right[3:0] = {ic_fetch_val_int_f << ifu_fetch_addr_int_f[1] } ; + + assign iccm_rdmux_data[77:0] = iccm_rd_data_ecc[77:0]; + for (genvar i=0; i < 2 ; i++) begin : ICCM_ECC_CHECK + assign iccm_ecc_word_enable[i] = ((|ic_fetch_val_shift_right[(2*i+1):(2*i)] & ~exu_flush_final & sel_iccm_data) | iccm_dma_rvalid_in) & ~dec_tlu_core_ecc_disable; + rvecc_decode ecc_decode ( + .en(iccm_ecc_word_enable[i]), + .sed_ded ( 1'b0 ), // 1 : means only detection + .din(iccm_rdmux_data[(39*i+31):(39*i)]), + .ecc_in(iccm_rdmux_data[(39*i+38):(39*i+32)]), + .dout(iccm_corrected_data[i][31:0]), + .ecc_out(iccm_corrected_ecc[i][6:0]), + .single_ecc_error(iccm_single_ecc_error[i]), + .double_ecc_error(iccm_double_ecc_error[i])); +end + + assign iccm_rd_ecc_single_err = (|iccm_single_ecc_error[1:0] ) & ifc_iccm_access_f & ifc_fetch_req_f; + assign iccm_rd_ecc_double_err[1:0] = ~ifu_fetch_addr_int_f[1] ? ({iccm_double_ecc_error[0], iccm_double_ecc_error[0]} ) & {2{ifc_iccm_access_f}} : + ({iccm_double_ecc_error[1], iccm_double_ecc_error[0]} ) & {2{ifc_iccm_access_f}} ; + + assign iccm_corrected_data_f_mux[31:0] = iccm_single_ecc_error[0] ? iccm_corrected_data[0] : iccm_corrected_data[1]; + assign iccm_corrected_ecc_f_mux[6:0] = iccm_single_ecc_error[0] ? iccm_corrected_ecc[0] : iccm_corrected_ecc[1]; + + assign iccm_ecc_write_status = ((iccm_rd_ecc_single_err & ~iccm_rd_ecc_single_err_ff) & ~exu_flush_final) | iccm_dma_sb_error; + assign iccm_rd_ecc_single_err_hold_in = (iccm_rd_ecc_single_err | iccm_rd_ecc_single_err_ff) & ~exu_flush_final ; + assign iccm_error_start = iccm_rd_ecc_single_err; + assign iccm_ecc_corr_index_in[pt.ICCM_BITS-1:2] = iccm_single_ecc_error[0] ? iccm_rw_addr_f[pt.ICCM_BITS-1:2] : iccm_rw_addr_f[pt.ICCM_BITS-1:2] + 1'b1 ; + + rvdffie #(pt.ICCM_BITS-1) iccm_index_f (.*, .clk(free_l2clk), .din({iccm_rw_addr[pt.ICCM_BITS-1:2], + iccm_rd_ecc_single_err_hold_in + }), + .dout({iccm_rw_addr_f[pt.ICCM_BITS-1:2], + iccm_rd_ecc_single_err_ff})); + + rvdffe #((39+(pt.ICCM_BITS-2))) ecc_dat0_ff ( + .clk(clk), + .din({iccm_corrected_ecc_f_mux[6:0], iccm_corrected_data_f_mux[31:0],iccm_ecc_corr_index_in[pt.ICCM_BITS-1:2]}), + .dout({iccm_ecc_corr_data_ff[38:0] ,iccm_ecc_corr_index_ff[pt.ICCM_BITS-1:2]}), + .en(iccm_ecc_write_status), + .* + ); + + end else begin : iccm_disabled + assign iccm_dma_rvalid = 1'b0 ; + assign iccm_dma_ecc_error = 1'b0 ; + assign iccm_dma_rdata[63:0] = '0 ; + assign iccm_single_ecc_error = '0 ; + assign iccm_dma_rtag = '0 ; + + + + + + + assign iccm_rd_ecc_single_err = 1'b0 ; + assign iccm_rd_ecc_double_err = '0 ; + assign iccm_rd_ecc_single_err_ff = 1'b0 ; + assign iccm_error_start = 1'b0; + assign iccm_ecc_corr_index_ff[pt.ICCM_BITS-1:2] = '0; + assign iccm_ecc_corr_data_ff[38:0] = '0; + assign iccm_ecc_write_status = '0; + + + + + + + end + + +////// ICCM signals + + + assign ic_rd_en = (ifc_fetch_req_bf & ~ifc_fetch_uncacheable_bf & ~ifc_iccm_access_bf & + ~(((miss_state == STREAM) & ~miss_state_en) | + ((miss_state == CRIT_BYP_OK) & ~miss_state_en) | + ((miss_state == STALL_SCND_MISS) & ~miss_state_en) | + ((miss_state == MISS_WAIT) & ~miss_state_en) | + ((miss_state == CRIT_WRD_RDY) & ~miss_state_en) | + ((miss_state == CRIT_BYP_OK) & miss_state_en & (miss_nxtstate == MISS_WAIT)) )) | + ( ifc_fetch_req_bf & exu_flush_final & ~ifc_fetch_uncacheable_bf & ~ifc_iccm_access_bf ) ; + +logic ic_real_rd_wp_unused; +assign ic_real_rd_wp_unused = (ifc_fetch_req_bf & ~ifc_iccm_access_bf & ~ifc_region_acc_fault_final_bf & ~dec_tlu_fence_i_wb & ~stream_miss_f & ~ic_act_miss_f & + ~(((miss_state == STREAM) & ~miss_state_en) | + ((miss_state == CRIT_BYP_OK) & ~miss_state_en & ~(miss_nxtstate == MISS_WAIT)) | + ((miss_state == CRIT_BYP_OK) & miss_state_en & (miss_nxtstate == MISS_WAIT)) | + ((miss_state == MISS_WAIT) & ~miss_state_en) | + ((miss_state == STALL_SCND_MISS) & ~miss_state_en) | + ((miss_state == CRIT_WRD_RDY) & ~miss_state_en) | + ((miss_nxtstate == STREAM) & miss_state_en) | + ((miss_state == SCND_MISS) & ~miss_state_en))) | + (ifc_fetch_req_bf & ~ifc_iccm_access_bf & ~ifc_region_acc_fault_final_bf & ~dec_tlu_fence_i_wb & ~stream_miss_f & exu_flush_final) ; + + +assign ic_wr_en[pt.ICACHE_NUM_WAYS-1:0] = bus_ic_wr_en[pt.ICACHE_NUM_WAYS-1:0] & {pt.ICACHE_NUM_WAYS{write_ic_16_bytes}}; +assign ic_write_stall = write_ic_16_bytes & ~((((miss_state== CRIT_BYP_OK) | ((miss_state==STREAM) & ~(exu_flush_final | ifu_bp_hit_taken_q_f | stream_eol_f ))) & ~(bus_ifu_wr_en_ff & last_beat & ~uncacheable_miss_ff))); + + + + +/////////////////////////////////////////////////////////////// +// Icache status and LRU +/////////////////////////////////////////////////////////////// +logic [pt.ICACHE_NUM_WAYS-1:0] ic_tag_valid_unq; +if (pt.ICACHE_ENABLE == 1 ) begin: icache_enabled + assign ic_valid = ~ifu_wr_cumulative_err_data & ~(reset_ic_in | reset_ic_ff) & ~reset_tag_valid_for_miss; + + assign ifu_status_wr_addr_w_debug[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] = ((ic_debug_rd_en | ic_debug_wr_en ) & ic_debug_tag_array) ? + ic_debug_addr[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] : + ifu_status_wr_addr[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO]; + + // status + + assign way_status_wr_en_w_debug = way_status_wr_en | (ic_debug_wr_en & ic_debug_tag_array); + + assign way_status_new_w_debug[pt.ICACHE_STATUS_BITS-1:0] = (ic_debug_wr_en & ic_debug_tag_array) ? (pt.ICACHE_STATUS_BITS == 1) ? ic_debug_wr_data[4] : ic_debug_wr_data[6:4] : + way_status_new[pt.ICACHE_STATUS_BITS-1:0] ; + + rvdffie #(.WIDTH(pt.ICACHE_TAG_LO-pt.ICACHE_TAG_INDEX_LO+1+pt.ICACHE_STATUS_BITS),.OVERRIDE(1)) status_misc_ff + (.*, + .clk(free_l2clk), + .din({ ifu_status_wr_addr_w_debug[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO], way_status_wr_en_w_debug, way_status_new_w_debug[pt.ICACHE_STATUS_BITS-1:0]}), + .dout({ifu_status_wr_addr_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO], way_status_wr_en_ff, way_status_new_ff[pt.ICACHE_STATUS_BITS-1:0]} ) + ); + + logic [(pt.ICACHE_TAG_DEPTH/8)-1 : 0] way_status_clken; + logic [(pt.ICACHE_TAG_DEPTH/8)-1 : 0] way_status_clk; + + for (genvar i=0 ; i<pt.ICACHE_TAG_DEPTH/8 ; i++) begin : CLK_GRP_WAY_STATUS + assign way_status_clken[i] = (ifu_status_wr_addr_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO+3] == i ); + + rvclkhdr way_status_cgc ( .en(way_status_clken[i]), .l1clk(way_status_clk[i]), .* ); + + + + for (genvar j=0 ; j<8 ; j++) begin : WAY_STATUS + rvdffs_fpga #(pt.ICACHE_STATUS_BITS) ic_way_status (.*, + .clk(way_status_clk[i]), + .clken(way_status_clken[i]), + .rawclk(clk), + .en(((ifu_status_wr_addr_ff[pt.ICACHE_TAG_INDEX_LO+2:pt.ICACHE_TAG_INDEX_LO] == j) & way_status_wr_en_ff)), + .din(way_status_new_ff[pt.ICACHE_STATUS_BITS-1:0]), + .dout(way_status_out[8*i+j])); + end // WAY_STATUS + end // CLK_GRP_WAY_STATUS + + always_comb begin : way_status_out_mux + way_status[pt.ICACHE_STATUS_BITS-1:0] = '0 ; + for (int j=0; j< pt.ICACHE_TAG_DEPTH; j++) begin : status_mux_loop + if (ifu_ic_rw_int_addr_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] == (pt.ICACHE_TAG_LO-pt.ICACHE_TAG_INDEX_LO)'(j)) begin : mux_out + way_status[pt.ICACHE_STATUS_BITS-1:0] = way_status_out[j]; + end + end + end + + assign ifu_ic_rw_int_addr_w_debug[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] = ((ic_debug_rd_en | ic_debug_wr_en ) & ic_debug_tag_array) ? + ic_debug_addr[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] : + ifu_ic_rw_int_addr[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO]; + assign ifu_tag_wren_w_debug[pt.ICACHE_NUM_WAYS-1:0] = ifu_tag_wren[pt.ICACHE_NUM_WAYS-1:0] | ic_debug_tag_wr_en[pt.ICACHE_NUM_WAYS-1:0] ; + + assign ic_valid_w_debug = (ic_debug_wr_en & ic_debug_tag_array) ? ic_debug_wr_data[0] : ic_valid; + + rvdffie #(pt.ICACHE_TAG_LO-pt.ICACHE_TAG_INDEX_LO+pt.ICACHE_NUM_WAYS+1) tag_addr_ff (.*, + .clk(free_l2clk), + .din({ifu_ic_rw_int_addr_w_debug[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO], + ifu_tag_wren_w_debug[pt.ICACHE_NUM_WAYS-1:0], + ic_valid_w_debug}), + .dout({ifu_ic_rw_int_addr_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO], + ifu_tag_wren_ff[pt.ICACHE_NUM_WAYS-1:0], + ic_valid_ff}) + ); + + + logic [pt.ICACHE_NUM_WAYS-1:0] [pt.ICACHE_TAG_DEPTH-1:0] ic_tag_valid_out ; + + logic [(pt.ICACHE_TAG_DEPTH/32)-1:0] [pt.ICACHE_NUM_WAYS-1:0] tag_valid_clken ; + logic [(pt.ICACHE_TAG_DEPTH/32)-1:0] [pt.ICACHE_NUM_WAYS-1:0] tag_valid_clk ; + + for (genvar i=0 ; i<pt.ICACHE_TAG_DEPTH/32 ; i++) begin : CLK_GRP_TAG_VALID + for (genvar j=0; j<pt.ICACHE_NUM_WAYS; j++) begin : way_clken + if (pt.ICACHE_TAG_DEPTH == 32 ) begin + assign tag_valid_clken[i][j] = ifu_tag_wren_ff[j] | perr_err_inv_way[j] | reset_all_tags; + end else begin + assign tag_valid_clken[i][j] = (((ifu_ic_rw_int_addr_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO+5] == i ) & ifu_tag_wren_ff[j] ) | + ((perr_ic_index_ff [pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO+5] == i ) & perr_err_inv_way[j]) | reset_all_tags); + end + + + rvclkhdr way_status_cgc ( .en(tag_valid_clken[i][j]), .l1clk(tag_valid_clk[i][j]), .* ); + + + + + for (genvar k=0 ; k<32 ; k++) begin : TAG_VALID + rvdffs_fpga #(1) ic_way_tagvalid_dup (.*, + .clk(tag_valid_clk[i][j]), + .clken(tag_valid_clken[i][j]), + .rawclk(clk), + .en(((ifu_ic_rw_int_addr_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] == (k + 32*i)) & ifu_tag_wren_ff[j] ) | + ((perr_ic_index_ff [pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] == (k + 32*i)) & perr_err_inv_way[j]) | reset_all_tags), + .din(ic_valid_ff & ~reset_all_tags & ~perr_sel_invalidate), + .dout(ic_tag_valid_out[j][32*i+k])); + end + end + end + + + always_comb begin : tag_valid_out_mux + ic_tag_valid_unq[pt.ICACHE_NUM_WAYS-1:0] = '0; + for (int j=0; j< pt.ICACHE_TAG_DEPTH; j++) begin : tag_valid_loop + if (ifu_ic_rw_int_addr_ff[pt.ICACHE_INDEX_HI:pt.ICACHE_TAG_INDEX_LO] == (pt.ICACHE_TAG_LO-pt.ICACHE_TAG_INDEX_LO)'(j)) begin : valid_out + for ( int k=0; k<pt.ICACHE_NUM_WAYS; k++) begin + ic_tag_valid_unq[k] |= ic_tag_valid_out[k][j]; + end + end + end + end + // four-way set associative - three bits +// each bit represents one branch point in a binary decision tree; let 1 +// represent that the left side has been referenced more recently than the +// right side, and 0 vice-versa +// +// are all 4 ways valid? +// / \ +// | no, use an invalid way. +// | +// | +// bit_0 == 0? state | replace ref to | next state +// / \ ------+-------- -------+----------- +// y n x00 | way_0 way_0 | _11 +// / \ x10 | way_1 way_1 | _01 +// bit_1 == 0? bit_2 == 0? 0x1 | way_2 way_2 | 1_0 +// / \ / \ 1x1 | way_3 way_3 | 0_0 +// y n y n +// / \ / \ ('x' means don't care ('_' means unchanged) +// way_0 way_1 way_2 way_3 don't care) + + if (pt.ICACHE_NUM_WAYS == 4) begin: four_way_plru + assign replace_way_mb_any[3] = ( way_status_mb_ff[2] & way_status_mb_ff[0] & (&tagv_mb_ff[3:0])) | + (~tagv_mb_ff[3]& tagv_mb_ff[2] & tagv_mb_ff[1] & tagv_mb_ff[0]) ; + assign replace_way_mb_any[2] = (~way_status_mb_ff[2] & way_status_mb_ff[0] & (&tagv_mb_ff[3:0])) | + (~tagv_mb_ff[2]& tagv_mb_ff[1] & tagv_mb_ff[0]) ; + assign replace_way_mb_any[1] = ( way_status_mb_ff[1] & ~way_status_mb_ff[0] & (&tagv_mb_ff[3:0])) | + (~tagv_mb_ff[1]& tagv_mb_ff[0] ) ; + assign replace_way_mb_any[0] = (~way_status_mb_ff[1] & ~way_status_mb_ff[0] & (&tagv_mb_ff[3:0])) | + (~tagv_mb_ff[0] ) ; + + assign way_status_hit_new[pt.ICACHE_STATUS_BITS-1:0] = ({3{~exu_flush_final & ic_rd_hit[0]}} & {way_status[2] , 1'b1 , 1'b1}) | + ({3{~exu_flush_final & ic_rd_hit[1]}} & {way_status[2] , 1'b0 , 1'b1}) | + ({3{~exu_flush_final & ic_rd_hit[2]}} & {1'b1 ,way_status[1] , 1'b0}) | + ({3{~exu_flush_final & ic_rd_hit[3]}} & {1'b0 ,way_status[1] , 1'b0}) ; + + assign way_status_rep_new[pt.ICACHE_STATUS_BITS-1:0] = ({3{replace_way_mb_any[0]}} & {way_status_mb_ff[2] , 1'b1 , 1'b1}) | + ({3{replace_way_mb_any[1]}} & {way_status_mb_ff[2] , 1'b0 , 1'b1}) | + ({3{replace_way_mb_any[2]}} & {1'b1 ,way_status_mb_ff[1] , 1'b0}) | + ({3{replace_way_mb_any[3]}} & {1'b0 ,way_status_mb_ff[1] , 1'b0}) ; + end + else begin : two_ways_plru + assign replace_way_mb_any[0] = (~way_status_mb_ff & tagv_mb_ff[0] & tagv_mb_ff[1]) | ~tagv_mb_ff[0]; + assign replace_way_mb_any[1] = ( way_status_mb_ff & tagv_mb_ff[0] & tagv_mb_ff[1]) | ~tagv_mb_ff[1] & tagv_mb_ff[0]; + assign way_status_hit_new[pt.ICACHE_STATUS_BITS-1:0] = ic_rd_hit[0]; + assign way_status_rep_new[pt.ICACHE_STATUS_BITS-1:0] = replace_way_mb_any[0]; + + end + // Make sure to select the way_status_hit_new even when in hit_under_miss. + assign way_status_new[pt.ICACHE_STATUS_BITS-1:0] = (bus_ifu_wr_en_ff_q & last_beat ) ? way_status_rep_new[pt.ICACHE_STATUS_BITS-1:0] : + way_status_hit_new[pt.ICACHE_STATUS_BITS-1:0] ; + + + assign way_status_wr_en = (bus_ifu_wr_en_ff_q & last_beat) | ic_act_hit_f; + + for (genvar i=0; i<pt.ICACHE_NUM_WAYS; i++) begin : bus_wren_loop + assign bus_wren[i] = bus_ifu_wr_en_ff_q & replace_way_mb_any[i] & miss_pending ; + assign bus_wren_last[i] = bus_ifu_wr_en_ff_wo_err & replace_way_mb_any[i] & miss_pending & bus_last_data_beat; + assign ifu_tag_wren[i] = bus_wren_last[i] | wren_reset_miss[i]; + assign wren_reset_miss[i] = replace_way_mb_any[i] & reset_tag_valid_for_miss ; + + end + assign bus_ic_wr_en[pt.ICACHE_NUM_WAYS-1:0] = bus_wren[pt.ICACHE_NUM_WAYS-1:0]; + + +end else begin: icache_disabled + assign ic_tag_valid_unq[pt.ICACHE_NUM_WAYS-1:0] = '0; + assign way_status[pt.ICACHE_STATUS_BITS-1:0] = '0; + assign replace_way_mb_any[pt.ICACHE_NUM_WAYS-1:0] = '0; + assign way_status_hit_new[pt.ICACHE_STATUS_BITS-1:0] = '0; + assign way_status_rep_new[pt.ICACHE_STATUS_BITS-1:0] = '0; + assign way_status_new[pt.ICACHE_STATUS_BITS-1:0] = '0; + assign way_status_wr_en = '0; + assign bus_wren[pt.ICACHE_NUM_WAYS-1:0] = '0; + +end + + assign ic_tag_valid[pt.ICACHE_NUM_WAYS-1:0] = ic_tag_valid_unq[pt.ICACHE_NUM_WAYS-1:0] & {pt.ICACHE_NUM_WAYS{(~fetch_uncacheable_ff & ifc_fetch_req_f_raw) }} ; + assign ic_debug_tag_val_rd_out = |(ic_tag_valid_unq[pt.ICACHE_NUM_WAYS-1:0] & ic_debug_way_ff[pt.ICACHE_NUM_WAYS-1:0] & {pt.ICACHE_NUM_WAYS{ic_debug_rd_en_ff}}) ; +/////////////////////////////////////////// +// PMU signals +/////////////////////////////////////////// + + assign ifu_pmu_ic_miss_in = ic_act_miss_f ; + assign ifu_pmu_ic_hit_in = ic_act_hit_f ; + assign ifu_pmu_bus_error_in = |ifc_bus_acc_fault_f; + assign ifu_pmu_bus_trxn_in = bus_cmd_sent ; + assign ifu_pmu_bus_busy_in = ifu_bus_arvalid_ff & ~ifu_bus_arready_ff & miss_pending ; + + rvdffie #(9) ifu_pmu_sigs_ff (.*, + .clk (free_l2clk), + .din ({ifc_fetch_uncacheable_bf, ifc_fetch_req_qual_bf, dma_sb_err_state, dec_tlu_fence_i_wb, + ifu_pmu_ic_miss_in, + ifu_pmu_ic_hit_in, + ifu_pmu_bus_error_in, + ifu_pmu_bus_busy_in, + ifu_pmu_bus_trxn_in + }), + .dout({fetch_uncacheable_ff, ifc_fetch_req_f_raw, dma_sb_err_state_ff, reset_all_tags, + ifu_pmu_ic_miss, + ifu_pmu_ic_hit, + ifu_pmu_bus_error, + ifu_pmu_bus_busy, + ifu_pmu_bus_trxn + })); + + +/////////////////////////////////////////////////////// +// Cache debug logic // +/////////////////////////////////////////////////////// +assign ic_debug_addr[pt.ICACHE_INDEX_HI:3] = dec_tlu_ic_diag_pkt.icache_dicawics[pt.ICACHE_INDEX_HI-3:0] ; +assign ic_debug_way_enc[01:00] = dec_tlu_ic_diag_pkt.icache_dicawics[15:14] ; + + +assign ic_debug_tag_array = dec_tlu_ic_diag_pkt.icache_dicawics[16] ; +assign ic_debug_rd_en = dec_tlu_ic_diag_pkt.icache_rd_valid ; +assign ic_debug_wr_en = dec_tlu_ic_diag_pkt.icache_wr_valid ; + + +assign ic_debug_way[pt.ICACHE_NUM_WAYS-1:0] = {(ic_debug_way_enc[1:0] == 2'b11), + (ic_debug_way_enc[1:0] == 2'b10), + (ic_debug_way_enc[1:0] == 2'b01), + (ic_debug_way_enc[1:0] == 2'b00) }; + +assign ic_debug_tag_wr_en[pt.ICACHE_NUM_WAYS-1:0] = {pt.ICACHE_NUM_WAYS{ic_debug_wr_en & ic_debug_tag_array}} & ic_debug_way[pt.ICACHE_NUM_WAYS-1:0] ; + +assign ic_debug_ict_array_sel_in = ic_debug_rd_en & ic_debug_tag_array ; + +rvdff_fpga #(01+pt.ICACHE_NUM_WAYS) ifu_debug_sel_ff (.*, .clk (debug_c1_clk), + .clken(debug_c1_clken), .rawclk(clk), + .din ({ic_debug_ict_array_sel_in, + ic_debug_way[pt.ICACHE_NUM_WAYS-1:0] + }), + .dout({ic_debug_ict_array_sel_ff, + ic_debug_way_ff[pt.ICACHE_NUM_WAYS-1:0] + })); + + + + +assign debug_data_clken = ic_debug_rd_en_ff; + + + + +// memory protection - equation to look identical to the LSU equation + assign ifc_region_acc_okay = (~(|{pt.INST_ACCESS_ENABLE0,pt.INST_ACCESS_ENABLE1,pt.INST_ACCESS_ENABLE2,pt.INST_ACCESS_ENABLE3,pt.INST_ACCESS_ENABLE4,pt.INST_ACCESS_ENABLE5,pt.INST_ACCESS_ENABLE6,pt.INST_ACCESS_ENABLE7})) | + (pt.INST_ACCESS_ENABLE0 & (({ifc_fetch_addr_bf[31:1],1'b0} | pt.INST_ACCESS_MASK0)) == (pt.INST_ACCESS_ADDR0 | pt.INST_ACCESS_MASK0)) | + (pt.INST_ACCESS_ENABLE1 & (({ifc_fetch_addr_bf[31:1],1'b0} | pt.INST_ACCESS_MASK1)) == (pt.INST_ACCESS_ADDR1 | pt.INST_ACCESS_MASK1)) | + (pt.INST_ACCESS_ENABLE2 & (({ifc_fetch_addr_bf[31:1],1'b0} | pt.INST_ACCESS_MASK2)) == (pt.INST_ACCESS_ADDR2 | pt.INST_ACCESS_MASK2)) | + (pt.INST_ACCESS_ENABLE3 & (({ifc_fetch_addr_bf[31:1],1'b0} | pt.INST_ACCESS_MASK3)) == (pt.INST_ACCESS_ADDR3 | pt.INST_ACCESS_MASK3)) | + (pt.INST_ACCESS_ENABLE4 & (({ifc_fetch_addr_bf[31:1],1'b0} | pt.INST_ACCESS_MASK4)) == (pt.INST_ACCESS_ADDR4 | pt.INST_ACCESS_MASK4)) | + (pt.INST_ACCESS_ENABLE5 & (({ifc_fetch_addr_bf[31:1],1'b0} | pt.INST_ACCESS_MASK5)) == (pt.INST_ACCESS_ADDR5 | pt.INST_ACCESS_MASK5)) | + (pt.INST_ACCESS_ENABLE6 & (({ifc_fetch_addr_bf[31:1],1'b0} | pt.INST_ACCESS_MASK6)) == (pt.INST_ACCESS_ADDR6 | pt.INST_ACCESS_MASK6)) | + (pt.INST_ACCESS_ENABLE7 & (({ifc_fetch_addr_bf[31:1],1'b0} | pt.INST_ACCESS_MASK7)) == (pt.INST_ACCESS_ADDR7 | pt.INST_ACCESS_MASK7)); + + assign ifc_region_acc_fault_memory_bf = ~ifc_iccm_access_bf & ~ifc_region_acc_okay & ifc_fetch_req_bf; + + assign ifc_region_acc_fault_final_bf = ifc_region_acc_fault_bf | ifc_region_acc_fault_memory_bf; + + + + +endmodule // eb1_ifu_mem_ctl + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Function: Top level file for load store unit +// Comments: +// +// +// DC1 -> DC2 -> DC3 -> DC4 (Commit) +// +//******************************************************************************** + +module eb1_lsu +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) +( + + input logic clk_override, // Override non-functional clock gating + input logic dec_tlu_flush_lower_r, // I0/I1 writeback flush. This is used to flush the old packets only + input logic dec_tlu_i0_kill_writeb_r, // I0 is flushed, don't writeback any results to arch state + input logic dec_tlu_force_halt, // This will be high till TLU goes to debug halt + + // chicken signals + input logic dec_tlu_external_ldfwd_disable, // disable load to load forwarding for externals + input logic dec_tlu_wb_coalescing_disable, // disable the write buffer coalesce + input logic dec_tlu_sideeffect_posted_disable, // disable the posted sideeffect load store to the bus + input logic dec_tlu_core_ecc_disable, // disable the generation of the ecc + + input logic [31:0] exu_lsu_rs1_d, // address rs operand + input logic [31:0] exu_lsu_rs2_d, // store data + input logic [11:0] dec_lsu_offset_d, // address offset operand + + input eb1_lsu_pkt_t lsu_p, // lsu control packet + input logic dec_lsu_valid_raw_d, // Raw valid for address computation + input logic [31:0] dec_tlu_mrac_ff, // CSR for memory region control + + output logic [31:0] lsu_result_m, // lsu load data + output logic [31:0] lsu_result_corr_r, // This is the ECC corrected data going to RF + output logic lsu_load_stall_any, // This is for blocking loads in the decode + output logic lsu_store_stall_any, // This is for blocking stores in the decode + output logic lsu_fastint_stall_any, // Stall the fastint in decode-1 stage + output logic lsu_idle_any, // lsu buffers are empty and no instruction in the pipeline. Doesn't include DMA + output logic lsu_active, // Used to turn off top level clk + + output logic [31:1] lsu_fir_addr, // fast interrupt address + output logic [1:0] lsu_fir_error, // Error during fast interrupt lookup + + output logic lsu_single_ecc_error_incr, // Increment the ecc counter + output eb1_lsu_error_pkt_t lsu_error_pkt_r, // lsu exception packet + output logic lsu_imprecise_error_load_any, // bus load imprecise error + output logic lsu_imprecise_error_store_any, // bus store imprecise error + output logic [31:0] lsu_imprecise_error_addr_any, // bus store imprecise error address + + // Non-blocking loads + output logic lsu_nonblock_load_valid_m, // there is an external load -> put in the cam + output logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_tag_m, // the tag of the external non block load + output logic lsu_nonblock_load_inv_r, // invalidate signal for the cam entry for non block loads + output logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_inv_tag_r, // tag of the enrty which needs to be invalidated + output logic lsu_nonblock_load_data_valid, // the non block is valid - sending information back to the cam + output logic lsu_nonblock_load_data_error, // non block load has an error + output logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_data_tag, // the tag of the non block load sending the data/error + output logic [31:0] lsu_nonblock_load_data, // Data of the non block load + + output logic lsu_pmu_load_external_m, // PMU : Bus loads + output logic lsu_pmu_store_external_m, // PMU : Bus loads + output logic lsu_pmu_misaligned_m, // PMU : misaligned + output logic lsu_pmu_bus_trxn, // PMU : bus transaction + output logic lsu_pmu_bus_misaligned, // PMU : misaligned access going to the bus + output logic lsu_pmu_bus_error, // PMU : bus sending error back + output logic lsu_pmu_bus_busy, // PMU : bus is not ready + + // Trigger signals + input eb1_trigger_pkt_t [3:0] trigger_pkt_any, // Trigger info from the decode + output logic [3:0] lsu_trigger_match_m, // lsu trigger hit (one bit per trigger) + + // DCCM ports + output logic dccm_wren, // DCCM write enable + output logic dccm_rden, // DCCM read enable + output logic [pt.DCCM_BITS-1:0] dccm_wr_addr_lo, // DCCM write address low bank + output logic [pt.DCCM_BITS-1:0] dccm_wr_addr_hi, // DCCM write address hi bank + output logic [pt.DCCM_BITS-1:0] dccm_rd_addr_lo, // DCCM read address low bank + output logic [pt.DCCM_BITS-1:0] dccm_rd_addr_hi, // DCCM read address hi bank (hi and low same if aligned read) + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_lo, // DCCM write data for lo bank + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_hi, // DCCM write data for hi bank + + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_lo, // DCCM read data low bank + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_hi, // DCCM read data hi bank + + // PIC ports + output logic picm_wren, // PIC memory write enable + output logic picm_rden, // PIC memory read enable + output logic picm_mken, // Need to read the mask for stores to determine which bits to write/forward + output logic [31:0] picm_rdaddr, // address for pic read access + output logic [31:0] picm_wraddr, // address for pic write access + output logic [31:0] picm_wr_data, // PIC memory write data + input logic [31:0] picm_rd_data, // PIC memory read/mask data + + // AXI Write Channels + output logic lsu_axi_awvalid, + input logic lsu_axi_awready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_awid, + output logic [31:0] lsu_axi_awaddr, + output logic [3:0] lsu_axi_awregion, + output logic [7:0] lsu_axi_awlen, + output logic [2:0] lsu_axi_awsize, + output logic [1:0] lsu_axi_awburst, + output logic lsu_axi_awlock, + output logic [3:0] lsu_axi_awcache, + output logic [2:0] lsu_axi_awprot, + output logic [3:0] lsu_axi_awqos, + + output logic lsu_axi_wvalid, + input logic lsu_axi_wready, + output logic [63:0] lsu_axi_wdata, + output logic [7:0] lsu_axi_wstrb, + output logic lsu_axi_wlast, + + input logic lsu_axi_bvalid, + output logic lsu_axi_bready, + input logic [1:0] lsu_axi_bresp, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_bid, + + // AXI Read Channels + output logic lsu_axi_arvalid, + input logic lsu_axi_arready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_arid, + output logic [31:0] lsu_axi_araddr, + output logic [3:0] lsu_axi_arregion, + output logic [7:0] lsu_axi_arlen, + output logic [2:0] lsu_axi_arsize, + output logic [1:0] lsu_axi_arburst, + output logic lsu_axi_arlock, + output logic [3:0] lsu_axi_arcache, + output logic [2:0] lsu_axi_arprot, + output logic [3:0] lsu_axi_arqos, + + input logic lsu_axi_rvalid, + output logic lsu_axi_rready, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_rid, + input logic [63:0] lsu_axi_rdata, + input logic [1:0] lsu_axi_rresp, + input logic lsu_axi_rlast, + + input logic lsu_bus_clk_en, // external drives a clock_en to control bus ratio + + // DMA slave + input logic dma_dccm_req, // DMA read/write to dccm + input logic [2:0] dma_mem_tag, // DMA request tag + input logic [31:0] dma_mem_addr, // DMA address + input logic [2:0] dma_mem_sz, // DMA access size + input logic dma_mem_write, // DMA access is a write + input logic [63:0] dma_mem_wdata, // DMA write data + + output logic dccm_dma_rvalid, // lsu data valid for DMA dccm read + output logic dccm_dma_ecc_error, // DMA load had ecc error + output logic [2:0] dccm_dma_rtag, // DMA request tag + output logic [63:0] dccm_dma_rdata, // lsu data for DMA dccm read + output logic dccm_ready, // lsu ready for DMA access + + input logic scan_mode, // scan mode + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + input logic rst_l // reset, active low + + ); + + + logic lsu_dccm_rden_m; + logic lsu_dccm_rden_r; + logic [31:0] store_data_m; + logic [31:0] store_data_r; + logic [31:0] store_data_hi_r, store_data_lo_r; + logic [31:0] store_datafn_hi_r, store_datafn_lo_r; + logic [31:0] sec_data_lo_m, sec_data_hi_m; + logic [31:0] sec_data_lo_r, sec_data_hi_r; + + logic [31:0] lsu_ld_data_m; + logic [31:0] dccm_rdata_hi_m, dccm_rdata_lo_m; + logic [6:0] dccm_data_ecc_hi_m, dccm_data_ecc_lo_m; + logic lsu_single_ecc_error_m; + logic lsu_double_ecc_error_m; + + logic [31:0] lsu_ld_data_r; + logic [31:0] lsu_ld_data_corr_r; + logic [31:0] dccm_rdata_hi_r, dccm_rdata_lo_r; + logic [6:0] dccm_data_ecc_hi_r, dccm_data_ecc_lo_r; + logic single_ecc_error_hi_r, single_ecc_error_lo_r; + logic lsu_single_ecc_error_r; + logic lsu_double_ecc_error_r; + logic ld_single_ecc_error_r, ld_single_ecc_error_r_ff; + + logic [31:0] picm_mask_data_m; + + logic [31:0] lsu_addr_d, lsu_addr_m, lsu_addr_r; + logic [31:0] end_addr_d, end_addr_m, end_addr_r; + + eb1_lsu_pkt_t lsu_pkt_d, lsu_pkt_m, lsu_pkt_r; + logic lsu_i0_valid_d, lsu_i0_valid_m, lsu_i0_valid_r; + + // Store Buffer signals + logic store_stbuf_reqvld_r; + logic ldst_stbuf_reqvld_r; + + logic lsu_commit_r; + logic lsu_exc_m; + + logic addr_in_dccm_d, addr_in_dccm_m, addr_in_dccm_r; + logic addr_in_pic_d, addr_in_pic_m, addr_in_pic_r; + logic ldst_dual_d, ldst_dual_m, ldst_dual_r; + logic addr_external_m; + + logic stbuf_reqvld_any; + logic stbuf_reqvld_flushed_any; + logic [pt.LSU_SB_BITS-1:0] stbuf_addr_any; + logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_data_any; + logic [pt.DCCM_ECC_WIDTH-1:0] stbuf_ecc_any; + logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_lo_r_ff, sec_data_hi_r_ff; + logic [pt.DCCM_ECC_WIDTH-1:0] sec_data_ecc_hi_r_ff, sec_data_ecc_lo_r_ff; + + logic lsu_cmpen_m; + logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_fwddata_hi_m; + logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_fwddata_lo_m; + logic [pt.DCCM_BYTE_WIDTH-1:0] stbuf_fwdbyteen_hi_m; + logic [pt.DCCM_BYTE_WIDTH-1:0] stbuf_fwdbyteen_lo_m; + + logic lsu_stbuf_commit_any; + logic lsu_stbuf_empty_any; // This is for blocking loads + logic lsu_stbuf_full_any; + + // Bus signals + logic lsu_busreq_r; + logic lsu_bus_buffer_pend_any; + logic lsu_bus_buffer_empty_any; + logic lsu_bus_buffer_full_any; + logic lsu_busreq_m; + logic [31:0] bus_read_data_m; + + logic flush_m_up, flush_r; + logic is_sideeffects_m; + logic [2:0] dma_mem_tag_d, dma_mem_tag_m; + logic ldst_nodma_mtor; + logic dma_dccm_wen, dma_pic_wen; + logic [31:0] dma_dccm_wdata_lo, dma_dccm_wdata_hi; + logic [pt.DCCM_ECC_WIDTH-1:0] dma_dccm_wdata_ecc_lo, dma_dccm_wdata_ecc_hi; + + // Clocks + logic lsu_busm_clken; + logic lsu_bus_obuf_c1_clken; + logic lsu_c1_m_clk, lsu_c1_r_clk; + logic lsu_c2_m_clk, lsu_c2_r_clk; + logic lsu_store_c1_m_clk, lsu_store_c1_r_clk; + + logic lsu_stbuf_c1_clk; + logic lsu_bus_ibuf_c1_clk, lsu_bus_obuf_c1_clk, lsu_bus_buf_c1_clk; + logic lsu_busm_clk; + logic lsu_free_c2_clk; + + logic lsu_raw_fwd_lo_m, lsu_raw_fwd_hi_m; + logic lsu_raw_fwd_lo_r, lsu_raw_fwd_hi_r; + + assign lsu_raw_fwd_lo_m = (|stbuf_fwdbyteen_lo_m[pt.DCCM_BYTE_WIDTH-1:0]); + assign lsu_raw_fwd_hi_m = (|stbuf_fwdbyteen_hi_m[pt.DCCM_BYTE_WIDTH-1:0]); + + eb1_lsu_lsc_ctl #(.pt(pt)) lsu_lsc_ctl (.*); + + // block stores in decode - for either bus or stbuf reasons + assign lsu_store_stall_any = lsu_stbuf_full_any | lsu_bus_buffer_full_any | ld_single_ecc_error_r_ff; + assign lsu_load_stall_any = lsu_bus_buffer_full_any | ld_single_ecc_error_r_ff; + assign lsu_fastint_stall_any = ld_single_ecc_error_r; // Stall the fastint in decode-1 stage + + // Ready to accept dma trxns + // There can't be any inpipe forwarding from non-dma packet to dma packet since they can be flushed so we can't have st in r when dma is in m + assign dma_mem_tag_d[2:0] = dma_mem_tag[2:0]; + assign ldst_nodma_mtor = (lsu_pkt_m.valid & ~lsu_pkt_m.dma & (addr_in_dccm_m | addr_in_pic_m) & lsu_pkt_m.store); + + assign dccm_ready = ~(dec_lsu_valid_raw_d | ldst_nodma_mtor | ld_single_ecc_error_r_ff); + + assign dma_dccm_wen = dma_dccm_req & dma_mem_write & addr_in_dccm_d & dma_mem_sz[1]; // Perform DMA writes only for word/dword + assign dma_pic_wen = dma_dccm_req & dma_mem_write & addr_in_pic_d; + assign {dma_dccm_wdata_hi[31:0], dma_dccm_wdata_lo[31:0]} = dma_mem_wdata[63:0] >> {dma_mem_addr[2:0], 3'b000}; // Shift the dma data to lower bits to make it consistent to lsu stores + + + // Generate per cycle flush signals + assign flush_m_up = dec_tlu_flush_lower_r; + assign flush_r = dec_tlu_i0_kill_writeb_r; + + // lsu idle + // lsu halt idle. This is used for entering the halt mode. Also, DMA accesses are allowed during fence. + // Indicates non-idle if there is a instruction valid in d-r or read/write buffers are non-empty since they can come with error + // Store buffer now have only non-dma dccm stores + // stbuf_empty not needed since it has only dccm stores + assign lsu_idle_any = ~((lsu_pkt_m.valid & ~lsu_pkt_m.dma) | + (lsu_pkt_r.valid & ~lsu_pkt_r.dma)) & + lsu_bus_buffer_empty_any; + + assign lsu_active = (lsu_pkt_m.valid | lsu_pkt_r.valid | ld_single_ecc_error_r_ff) | ~lsu_bus_buffer_empty_any; // This includes DMA. Used for gating top clock + + // Instantiate the store buffer + assign store_stbuf_reqvld_r = lsu_pkt_r.valid & lsu_pkt_r.store & addr_in_dccm_r & ~flush_r & (~lsu_pkt_r.dma | ((lsu_pkt_r.by | lsu_pkt_r.half) & ~lsu_double_ecc_error_r)); + + // Disable Forwarding for now + assign lsu_cmpen_m = lsu_pkt_m.valid & (lsu_pkt_m.load | lsu_pkt_m.store) & (addr_in_dccm_m | addr_in_pic_m); + + // Bus signals + assign lsu_busreq_m = lsu_pkt_m.valid & ((lsu_pkt_m.load | lsu_pkt_m.store) & addr_external_m) & ~flush_m_up & ~lsu_exc_m & ~lsu_pkt_m.fast_int; + + // Dual signals + assign ldst_dual_d = (lsu_addr_d[2] != end_addr_d[2]); + assign ldst_dual_m = (lsu_addr_m[2] != end_addr_m[2]); + assign ldst_dual_r = (lsu_addr_r[2] != end_addr_r[2]); + + // PMU signals + assign lsu_pmu_misaligned_m = lsu_pkt_m.valid & ((lsu_pkt_m.half & lsu_addr_m[0]) | (lsu_pkt_m.word & (|lsu_addr_m[1:0]))); + assign lsu_pmu_load_external_m = lsu_pkt_m.valid & lsu_pkt_m.load & addr_external_m; + assign lsu_pmu_store_external_m = lsu_pkt_m.valid & lsu_pkt_m.store & addr_external_m; + + eb1_lsu_dccm_ctl #(.pt(pt)) dccm_ctl ( + .lsu_addr_d(lsu_addr_d[31:0]), + .end_addr_d(end_addr_d[pt.DCCM_BITS-1:0]), + .lsu_addr_m(lsu_addr_m[pt.DCCM_BITS-1:0]), + .lsu_addr_r(lsu_addr_r[31:0]), + + .end_addr_m(end_addr_m[pt.DCCM_BITS-1:0]), + .end_addr_r(end_addr_r[pt.DCCM_BITS-1:0]), + .* + ); + + eb1_lsu_stbuf #(.pt(pt)) stbuf ( + .lsu_addr_d(lsu_addr_d[pt.LSU_SB_BITS-1:0]), + .end_addr_d(end_addr_d[pt.LSU_SB_BITS-1:0]), + + .* + + ); + + eb1_lsu_ecc #(.pt(pt)) ecc ( + .lsu_addr_r(lsu_addr_r[pt.DCCM_BITS-1:0]), + .end_addr_r(end_addr_r[pt.DCCM_BITS-1:0]), + .lsu_addr_m(lsu_addr_m[pt.DCCM_BITS-1:0]), + .end_addr_m(end_addr_m[pt.DCCM_BITS-1:0]), + .* + ); + + eb1_lsu_trigger #(.pt(pt)) trigger ( + .store_data_m(store_data_m[31:0]), + .* + ); + + // Clk domain + eb1_lsu_clkdomain #(.pt(pt)) clkdomain (.*); + + // Bus interface + eb1_lsu_bus_intf #(.pt(pt)) bus_intf ( + .lsu_addr_m(lsu_addr_m[31:0] & {32{addr_external_m & lsu_pkt_m.valid}}), + .lsu_addr_r(lsu_addr_r[31:0] & {32{lsu_busreq_r}}), + + .end_addr_m(end_addr_m[31:0] & {32{addr_external_m & lsu_pkt_m.valid}}), + .end_addr_r(end_addr_r[31:0] & {32{lsu_busreq_r}}), + + .store_data_r(store_data_r[31:0] & {32{lsu_busreq_r}}), + .* + ); + + //Flops + rvdff #(3) dma_mem_tag_mff (.*, .din(dma_mem_tag_d[2:0]), .dout(dma_mem_tag_m[2:0]), .clk(lsu_c1_m_clk)); + rvdff #(2) lsu_raw_fwd_r_ff (.*, .din({lsu_raw_fwd_hi_m, lsu_raw_fwd_lo_m}), .dout({lsu_raw_fwd_hi_r, lsu_raw_fwd_lo_r}), .clk(lsu_c2_r_clk)); + + +endmodule // eb1_lsu + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: Checks the memory map for the address +// Comments: +// +//******************************************************************************** +module eb1_lsu_addrcheck +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input logic lsu_c2_m_clk, // clock + input logic rst_l, // reset + + input logic [31:0] start_addr_d, // start address for lsu + input logic [31:0] end_addr_d, // end address for lsu + input eb1_lsu_pkt_t lsu_pkt_d, // packet in d + input logic [31:0] dec_tlu_mrac_ff, // CSR read + input logic [3:0] rs1_region_d, // address rs operand [31:28] + + input logic [31:0] rs1_d, // address rs operand + + output logic is_sideeffects_m, // is sideffects space + output logic addr_in_dccm_d, // address in dccm + output logic addr_in_pic_d, // address in pic + output logic addr_external_d, // address in external + + output logic access_fault_d, // access fault + output logic misaligned_fault_d, // misaligned + output logic [3:0] exc_mscause_d, // mscause for access/misaligned faults + + output logic fir_dccm_access_error_d, // Fast interrupt dccm access error + output logic fir_nondccm_access_error_d,// Fast interrupt dccm access error + + input logic scan_mode // Scan mode +); + + + logic non_dccm_access_ok; + logic is_sideeffects_d, is_aligned_d; + logic start_addr_in_dccm_d, end_addr_in_dccm_d; + logic start_addr_in_dccm_region_d, end_addr_in_dccm_region_d; + logic start_addr_in_pic_d, end_addr_in_pic_d; + logic start_addr_in_pic_region_d, end_addr_in_pic_region_d; + logic [4:0] csr_idx; + logic addr_in_iccm; + logic start_addr_dccm_or_pic; + logic base_reg_dccm_or_pic; + logic unmapped_access_fault_d, mpu_access_fault_d, picm_access_fault_d, regpred_access_fault_d; + logic regcross_misaligned_fault_d, sideeffect_misaligned_fault_d; + logic [3:0] access_fault_mscause_d; + logic [3:0] misaligned_fault_mscause_d; + + if (pt.DCCM_ENABLE == 1) begin: Gen_dccm_enable + // Start address check + rvrangecheck #(.CCM_SADR(pt.DCCM_SADR), + .CCM_SIZE(pt.DCCM_SIZE)) start_addr_dccm_rangecheck ( + .addr(start_addr_d[31:0]), + .in_range(start_addr_in_dccm_d), + .in_region(start_addr_in_dccm_region_d) + ); + + // End address check + rvrangecheck #(.CCM_SADR(pt.DCCM_SADR), + .CCM_SIZE(pt.DCCM_SIZE)) end_addr_dccm_rangecheck ( + .addr(end_addr_d[31:0]), + .in_range(end_addr_in_dccm_d), + .in_region(end_addr_in_dccm_region_d) + ); + end else begin: Gen_dccm_disable // block: Gen_dccm_enable + assign start_addr_in_dccm_d = '0; + assign start_addr_in_dccm_region_d = '0; + assign end_addr_in_dccm_d = '0; + assign end_addr_in_dccm_region_d = '0; + end + + if (pt.ICCM_ENABLE == 1) begin : check_iccm + assign addr_in_iccm = (start_addr_d[31:28] == pt.ICCM_REGION); + end else begin + assign addr_in_iccm = 1'b0; + end + + // PIC memory check + // Start address check + rvrangecheck #(.CCM_SADR(pt.PIC_BASE_ADDR), + .CCM_SIZE(pt.PIC_SIZE)) start_addr_pic_rangecheck ( + .addr(start_addr_d[31:0]), + .in_range(start_addr_in_pic_d), + .in_region(start_addr_in_pic_region_d) + ); + + // End address check + rvrangecheck #(.CCM_SADR(pt.PIC_BASE_ADDR), + .CCM_SIZE(pt.PIC_SIZE)) end_addr_pic_rangecheck ( + .addr(end_addr_d[31:0]), + .in_range(end_addr_in_pic_d), + .in_region(end_addr_in_pic_region_d) + ); + + assign start_addr_dccm_or_pic = start_addr_in_dccm_region_d | start_addr_in_pic_region_d; + assign base_reg_dccm_or_pic = ((rs1_region_d[3:0] == pt.DCCM_REGION) & pt.DCCM_ENABLE) | (rs1_region_d[3:0] == pt.PIC_REGION); + assign addr_in_dccm_d = (start_addr_in_dccm_d & end_addr_in_dccm_d); + assign addr_in_pic_d = (start_addr_in_pic_d & end_addr_in_pic_d); + + assign addr_external_d = ~(start_addr_in_dccm_region_d | start_addr_in_pic_region_d); + assign csr_idx[4:0] = {start_addr_d[31:28], 1'b1}; + assign is_sideeffects_d = dec_tlu_mrac_ff[csr_idx] & ~(start_addr_in_dccm_region_d | start_addr_in_pic_region_d | addr_in_iccm) & lsu_pkt_d.valid & (lsu_pkt_d.store | lsu_pkt_d.load); //every region has the 2 LSB indicating ( 1: sideeffects/no_side effects, and 0: cacheable ). Ignored in internal regions + assign is_aligned_d = (lsu_pkt_d.word & (start_addr_d[1:0] == 2'b0)) | + (lsu_pkt_d.half & (start_addr_d[0] == 1'b0)) | + lsu_pkt_d.by; + + assign non_dccm_access_ok = (~(|{pt.DATA_ACCESS_ENABLE0,pt.DATA_ACCESS_ENABLE1,pt.DATA_ACCESS_ENABLE2,pt.DATA_ACCESS_ENABLE3,pt.DATA_ACCESS_ENABLE4,pt.DATA_ACCESS_ENABLE5,pt.DATA_ACCESS_ENABLE6,pt.DATA_ACCESS_ENABLE7})) | + (((pt.DATA_ACCESS_ENABLE0 & ((start_addr_d[31:0] | pt.DATA_ACCESS_MASK0)) == (pt.DATA_ACCESS_ADDR0 | pt.DATA_ACCESS_MASK0)) | + (pt.DATA_ACCESS_ENABLE1 & ((start_addr_d[31:0] | pt.DATA_ACCESS_MASK1)) == (pt.DATA_ACCESS_ADDR1 | pt.DATA_ACCESS_MASK1)) | + (pt.DATA_ACCESS_ENABLE2 & ((start_addr_d[31:0] | pt.DATA_ACCESS_MASK2)) == (pt.DATA_ACCESS_ADDR2 | pt.DATA_ACCESS_MASK2)) | + (pt.DATA_ACCESS_ENABLE3 & ((start_addr_d[31:0] | pt.DATA_ACCESS_MASK3)) == (pt.DATA_ACCESS_ADDR3 | pt.DATA_ACCESS_MASK3)) | + (pt.DATA_ACCESS_ENABLE4 & ((start_addr_d[31:0] | pt.DATA_ACCESS_MASK4)) == (pt.DATA_ACCESS_ADDR4 | pt.DATA_ACCESS_MASK4)) | + (pt.DATA_ACCESS_ENABLE5 & ((start_addr_d[31:0] | pt.DATA_ACCESS_MASK5)) == (pt.DATA_ACCESS_ADDR5 | pt.DATA_ACCESS_MASK5)) | + (pt.DATA_ACCESS_ENABLE6 & ((start_addr_d[31:0] | pt.DATA_ACCESS_MASK6)) == (pt.DATA_ACCESS_ADDR6 | pt.DATA_ACCESS_MASK6)) | + (pt.DATA_ACCESS_ENABLE7 & ((start_addr_d[31:0] | pt.DATA_ACCESS_MASK7)) == (pt.DATA_ACCESS_ADDR7 | pt.DATA_ACCESS_MASK7))) & + ((pt.DATA_ACCESS_ENABLE0 & ((end_addr_d[31:0] | pt.DATA_ACCESS_MASK0)) == (pt.DATA_ACCESS_ADDR0 | pt.DATA_ACCESS_MASK0)) | + (pt.DATA_ACCESS_ENABLE1 & ((end_addr_d[31:0] | pt.DATA_ACCESS_MASK1)) == (pt.DATA_ACCESS_ADDR1 | pt.DATA_ACCESS_MASK1)) | + (pt.DATA_ACCESS_ENABLE2 & ((end_addr_d[31:0] | pt.DATA_ACCESS_MASK2)) == (pt.DATA_ACCESS_ADDR2 | pt.DATA_ACCESS_MASK2)) | + (pt.DATA_ACCESS_ENABLE3 & ((end_addr_d[31:0] | pt.DATA_ACCESS_MASK3)) == (pt.DATA_ACCESS_ADDR3 | pt.DATA_ACCESS_MASK3)) | + (pt.DATA_ACCESS_ENABLE4 & ((end_addr_d[31:0] | pt.DATA_ACCESS_MASK4)) == (pt.DATA_ACCESS_ADDR4 | pt.DATA_ACCESS_MASK4)) | + (pt.DATA_ACCESS_ENABLE5 & ((end_addr_d[31:0] | pt.DATA_ACCESS_MASK5)) == (pt.DATA_ACCESS_ADDR5 | pt.DATA_ACCESS_MASK5)) | + (pt.DATA_ACCESS_ENABLE6 & ((end_addr_d[31:0] | pt.DATA_ACCESS_MASK6)) == (pt.DATA_ACCESS_ADDR6 | pt.DATA_ACCESS_MASK6)) | + (pt.DATA_ACCESS_ENABLE7 & ((end_addr_d[31:0] | pt.DATA_ACCESS_MASK7)) == (pt.DATA_ACCESS_ADDR7 | pt.DATA_ACCESS_MASK7)))); + + // Access fault logic + // 0. Unmapped local memory : Addr in dccm region but not in dccm offset OR Addr in picm region but not in picm offset OR DCCM -> PIC cross when DCCM/PIC in same region + // 1. Uncorrectable (double bit) ECC error + // 3. Address is not in a populated non-dccm region + // 5. Region predication access fault: Base Address in DCCM/PIC and Final address in non-DCCM/non-PIC region or vice versa + // 6. Ld/St access to picm are not word aligned or word size + assign regpred_access_fault_d = (start_addr_dccm_or_pic ^ base_reg_dccm_or_pic); // 5. Region predication access fault: Base Address in DCCM/PIC and Final address in non-DCCM/non-PIC region or vice versa + assign picm_access_fault_d = (addr_in_pic_d & ((start_addr_d[1:0] != 2'b0) | ~lsu_pkt_d.word)); // 6. Ld/St access to picm are not word aligned or word size + + if (pt.DCCM_ENABLE & (pt.DCCM_REGION == pt.PIC_REGION)) begin + assign unmapped_access_fault_d = ((start_addr_in_dccm_region_d & ~(start_addr_in_dccm_d | start_addr_in_pic_d)) | // 0. Addr in dccm/pic region but not in dccm/pic offset + (end_addr_in_dccm_region_d & ~(end_addr_in_dccm_d | end_addr_in_pic_d)) | // 0. Addr in dccm/pic region but not in dccm/pic offset + (start_addr_in_dccm_d & end_addr_in_pic_d) | // 0. DCCM -> PIC cross when DCCM/PIC in same region + (start_addr_in_pic_d & end_addr_in_dccm_d)); // 0. DCCM -> PIC cross when DCCM/PIC in same region + assign mpu_access_fault_d = (~start_addr_in_dccm_region_d & ~non_dccm_access_ok); // 3. Address is not in a populated non-dccm region + end else begin + assign unmapped_access_fault_d = ((start_addr_in_dccm_region_d & ~start_addr_in_dccm_d) | // 0. Addr in dccm region but not in dccm offset + (end_addr_in_dccm_region_d & ~end_addr_in_dccm_d) | // 0. Addr in dccm region but not in dccm offset + (start_addr_in_pic_region_d & ~start_addr_in_pic_d) | // 0. Addr in picm region but not in picm offset + (end_addr_in_pic_region_d & ~end_addr_in_pic_d)); // 0. Addr in picm region but not in picm offset + assign mpu_access_fault_d = (~start_addr_in_pic_region_d & ~start_addr_in_dccm_region_d & ~non_dccm_access_ok); // 3. Address is not in a populated non-dccm region + end + + assign access_fault_d = (unmapped_access_fault_d | mpu_access_fault_d | picm_access_fault_d | regpred_access_fault_d) & lsu_pkt_d.valid & ~lsu_pkt_d.dma; + assign access_fault_mscause_d[3:0] = unmapped_access_fault_d ? 4'h2 : mpu_access_fault_d ? 4'h3 : regpred_access_fault_d ? 4'h5 : picm_access_fault_d ? 4'h6 : 4'h0; + + // Misaligned happens due to 2 reasons + // 0. Region cross + // 1. sideeffects access which are not aligned + assign regcross_misaligned_fault_d = (start_addr_d[31:28] != end_addr_d[31:28]); + assign sideeffect_misaligned_fault_d = (is_sideeffects_d & ~is_aligned_d); + assign misaligned_fault_d = (regcross_misaligned_fault_d | (sideeffect_misaligned_fault_d & addr_external_d)) & lsu_pkt_d.valid & ~lsu_pkt_d.dma; + assign misaligned_fault_mscause_d[3:0] = regcross_misaligned_fault_d ? 4'h2 : sideeffect_misaligned_fault_d ? 4'h1 : 4'h0; + + assign exc_mscause_d[3:0] = misaligned_fault_d ? misaligned_fault_mscause_d[3:0] : access_fault_mscause_d[3:0]; + + // Fast interrupt error logic + assign fir_dccm_access_error_d = ((start_addr_in_dccm_region_d & ~start_addr_in_dccm_d) | + (end_addr_in_dccm_region_d & ~end_addr_in_dccm_d)) & lsu_pkt_d.valid & lsu_pkt_d.fast_int; + assign fir_nondccm_access_error_d = ~(start_addr_in_dccm_region_d & end_addr_in_dccm_region_d) & lsu_pkt_d.valid & lsu_pkt_d.fast_int; + + rvdff #(.WIDTH(1)) is_sideeffects_mff (.din(is_sideeffects_d), .dout(is_sideeffects_m), .clk(lsu_c2_m_clk), .*); + +endmodule // eb1_lsu_addrcheck + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: lsu interface with interface queue +// Comments: +// +//******************************************************************************** + +module eb1_lsu_bus_buffer +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic clk_override, // Override non-functional clock gating + input logic rst_l, // reset, active low + input logic scan_mode, // scan mode + input logic dec_tlu_external_ldfwd_disable, // disable load to load forwarding for externals + input logic dec_tlu_wb_coalescing_disable, // disable write buffer coalescing + input logic dec_tlu_sideeffect_posted_disable, // Don't block the sideeffect load store to the bus + input logic dec_tlu_force_halt, + + // various clocks needed for the bus reads and writes + input logic lsu_bus_obuf_c1_clken, + input logic lsu_busm_clken, + input logic lsu_c2_r_clk, + input logic lsu_bus_ibuf_c1_clk, + input logic lsu_bus_obuf_c1_clk, + input logic lsu_bus_buf_c1_clk, + input logic lsu_free_c2_clk, + input logic lsu_busm_clk, + + + input logic dec_lsu_valid_raw_d, // Raw valid for address computation + input eb1_lsu_pkt_t lsu_pkt_m, // lsu packet flowing down the pipe + input eb1_lsu_pkt_t lsu_pkt_r, // lsu packet flowing down the pipe + + input logic [31:0] lsu_addr_m, // lsu address flowing down the pipe + input logic [31:0] end_addr_m, // lsu address flowing down the pipe + input logic [31:0] lsu_addr_r, // lsu address flowing down the pipe + input logic [31:0] end_addr_r, // lsu address flowing down the pipe + input logic [31:0] store_data_r, // store data flowing down the pipe + + input logic no_word_merge_r, // r store doesn't need to wait in ibuf since it will not coalesce + input logic no_dword_merge_r, // r store doesn't need to wait in ibuf since it will not coalesce + input logic lsu_busreq_m, // bus request is in m + output logic lsu_busreq_r, // bus request is in r + input logic ld_full_hit_m, // load can get all its byte from a write buffer entry + input logic flush_m_up, // flush + input logic flush_r, // flush + input logic lsu_commit_r, // lsu instruction in r commits + input logic is_sideeffects_r, // lsu attribute is side_effects + input logic ldst_dual_d, // load/store is unaligned at 32 bit boundary + input logic ldst_dual_m, // load/store is unaligned at 32 bit boundary + input logic ldst_dual_r, // load/store is unaligned at 32 bit boundary + + input logic [7:0] ldst_byteen_ext_m, // HI and LO signals + + output logic lsu_bus_buffer_pend_any, // bus buffer has a pending bus entry + output logic lsu_bus_buffer_full_any, // bus buffer is full + output logic lsu_bus_buffer_empty_any, // bus buffer is empty + + output logic [3:0] ld_byte_hit_buf_lo, ld_byte_hit_buf_hi, // Byte enables for forwarding data + output logic [31:0] ld_fwddata_buf_lo, ld_fwddata_buf_hi, // load forwarding data + + output logic lsu_imprecise_error_load_any, // imprecise load bus error + output logic lsu_imprecise_error_store_any, // imprecise store bus error + output logic [31:0] lsu_imprecise_error_addr_any, // address of the imprecise error + + // Non-blocking loads + output logic lsu_nonblock_load_valid_m, // there is an external load -> put in the cam + output logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_tag_m, // the tag of the external non block load + output logic lsu_nonblock_load_inv_r, // invalidate signal for the cam entry for non block loads + output logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_inv_tag_r, // tag of the enrty which needs to be invalidated + output logic lsu_nonblock_load_data_valid, // the non block is valid - sending information back to the cam + output logic lsu_nonblock_load_data_error, // non block load has an error + output logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_data_tag, // the tag of the non block load sending the data/error + output logic [31:0] lsu_nonblock_load_data, // Data of the non block load + + // PMU events + output logic lsu_pmu_bus_trxn, + output logic lsu_pmu_bus_misaligned, + output logic lsu_pmu_bus_error, + output logic lsu_pmu_bus_busy, + + // AXI Write Channels + output logic lsu_axi_awvalid, + input logic lsu_axi_awready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_awid, + output logic [31:0] lsu_axi_awaddr, + output logic [3:0] lsu_axi_awregion, + output logic [7:0] lsu_axi_awlen, + output logic [2:0] lsu_axi_awsize, + output logic [1:0] lsu_axi_awburst, + output logic lsu_axi_awlock, + output logic [3:0] lsu_axi_awcache, + output logic [2:0] lsu_axi_awprot, + output logic [3:0] lsu_axi_awqos, + + output logic lsu_axi_wvalid, + input logic lsu_axi_wready, + output logic [63:0] lsu_axi_wdata, + output logic [7:0] lsu_axi_wstrb, + output logic lsu_axi_wlast, + + input logic lsu_axi_bvalid, + output logic lsu_axi_bready, + input logic [1:0] lsu_axi_bresp, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_bid, + + // AXI Read Channels + output logic lsu_axi_arvalid, + input logic lsu_axi_arready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_arid, + output logic [31:0] lsu_axi_araddr, + output logic [3:0] lsu_axi_arregion, + output logic [7:0] lsu_axi_arlen, + output logic [2:0] lsu_axi_arsize, + output logic [1:0] lsu_axi_arburst, + output logic lsu_axi_arlock, + output logic [3:0] lsu_axi_arcache, + output logic [2:0] lsu_axi_arprot, + output logic [3:0] lsu_axi_arqos, + + input logic lsu_axi_rvalid, + output logic lsu_axi_rready, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_rid, + input logic [63:0] lsu_axi_rdata, + input logic [1:0] lsu_axi_rresp, + + input logic lsu_bus_clk_en, + input logic lsu_bus_clk_en_q + +); + + // For Ld: IDLE -> WAIT -> CMD -> RESP -> DONE_PARTIAL(?) -> DONE_WAIT(?) -> DONE -> IDLE + // For St: IDLE -> WAIT -> CMD -> RESP(?) -> IDLE + typedef enum logic [2:0] {IDLE=3'b000, WAIT=3'b001, CMD=3'b010, RESP=3'b011, DONE_PARTIAL=3'b100, DONE_WAIT=3'b101, DONE=3'b110} state_t; + + localparam DEPTH = pt.LSU_NUM_NBLOAD; + localparam DEPTH_LOG2 = pt.LSU_NUM_NBLOAD_WIDTH; + localparam TIMER = 8; // This can be only power of 2 + localparam TIMER_MAX = TIMER - 1; // Maximum value of timer + localparam TIMER_LOG2 = (TIMER < 2) ? 1 : $clog2(TIMER); + + logic [3:0] ldst_byteen_hi_m, ldst_byteen_lo_m; + logic [DEPTH-1:0] ld_addr_hitvec_lo, ld_addr_hitvec_hi; + logic [3:0][DEPTH-1:0] ld_byte_hitvec_lo, ld_byte_hitvec_hi; + logic [3:0][DEPTH-1:0] ld_byte_hitvecfn_lo, ld_byte_hitvecfn_hi; + + logic ld_addr_ibuf_hit_lo, ld_addr_ibuf_hit_hi; + logic [3:0] ld_byte_ibuf_hit_lo, ld_byte_ibuf_hit_hi; + + logic [3:0] ldst_byteen_r; + logic [3:0] ldst_byteen_hi_r, ldst_byteen_lo_r; + logic [31:0] store_data_hi_r, store_data_lo_r; + logic is_aligned_r; // Aligned load/store + logic ldst_samedw_r; + + logic lsu_nonblock_load_valid_r; + logic [31:0] lsu_nonblock_load_data_hi, lsu_nonblock_load_data_lo, lsu_nonblock_data_unalgn; + logic [1:0] lsu_nonblock_addr_offset; + logic [1:0] lsu_nonblock_sz; + logic lsu_nonblock_unsign; + logic lsu_nonblock_load_data_ready; + + logic [DEPTH-1:0] CmdPtr0Dec, CmdPtr1Dec; + logic [DEPTH-1:0] RspPtrDec; + logic [DEPTH_LOG2-1:0] CmdPtr0, CmdPtr1; + logic [DEPTH_LOG2-1:0] RspPtr; + logic [DEPTH_LOG2-1:0] WrPtr0_m, WrPtr0_r; + logic [DEPTH_LOG2-1:0] WrPtr1_m, WrPtr1_r; + logic found_wrptr0, found_wrptr1, found_cmdptr0, found_cmdptr1; + logic [3:0] buf_numvld_any, buf_numvld_wrcmd_any, buf_numvld_cmd_any, buf_numvld_pend_any; + logic any_done_wait_state; + logic bus_sideeffect_pend; + logic bus_coalescing_disable; + + logic bus_addr_match_pending; + logic bus_cmd_sent, bus_cmd_ready; + logic bus_wcmd_sent, bus_wdata_sent; + logic bus_rsp_read, bus_rsp_write; + logic [pt.LSU_BUS_TAG-1:0] bus_rsp_read_tag, bus_rsp_write_tag; + logic bus_rsp_read_error, bus_rsp_write_error; + logic [63:0] bus_rsp_rdata; + + // Bus buffer signals + state_t [DEPTH-1:0] buf_state; + logic [DEPTH-1:0][1:0] buf_sz; + logic [DEPTH-1:0][31:0] buf_addr; + logic [DEPTH-1:0][3:0] buf_byteen; + logic [DEPTH-1:0] buf_sideeffect; + logic [DEPTH-1:0] buf_write; + logic [DEPTH-1:0] buf_unsign; + logic [DEPTH-1:0] buf_dual; + logic [DEPTH-1:0] buf_samedw; + logic [DEPTH-1:0] buf_nomerge; + logic [DEPTH-1:0] buf_dualhi; + logic [DEPTH-1:0][DEPTH_LOG2-1:0] buf_dualtag; + logic [DEPTH-1:0] buf_ldfwd; + logic [DEPTH-1:0][DEPTH_LOG2-1:0] buf_ldfwdtag; + logic [DEPTH-1:0] buf_error; + logic [DEPTH-1:0][31:0] buf_data; + logic [DEPTH-1:0][DEPTH-1:0] buf_age, buf_age_younger; + logic [DEPTH-1:0][DEPTH-1:0] buf_rspage, buf_rsp_pickage; + + state_t [DEPTH-1:0] buf_nxtstate; + logic [DEPTH-1:0] buf_rst; + logic [DEPTH-1:0] buf_state_en; + logic [DEPTH-1:0] buf_cmd_state_bus_en; + logic [DEPTH-1:0] buf_resp_state_bus_en; + logic [DEPTH-1:0] buf_state_bus_en; + logic [DEPTH-1:0] buf_dual_in; + logic [DEPTH-1:0] buf_samedw_in; + logic [DEPTH-1:0] buf_nomerge_in; + logic [DEPTH-1:0] buf_sideeffect_in; + logic [DEPTH-1:0] buf_unsign_in; + logic [DEPTH-1:0][1:0] buf_sz_in; + logic [DEPTH-1:0] buf_write_in; + logic [DEPTH-1:0] buf_wr_en; + logic [DEPTH-1:0] buf_dualhi_in; + logic [DEPTH-1:0][DEPTH_LOG2-1:0] buf_dualtag_in; + logic [DEPTH-1:0] buf_ldfwd_en; + logic [DEPTH-1:0] buf_ldfwd_in; + logic [DEPTH-1:0][DEPTH_LOG2-1:0] buf_ldfwdtag_in; + logic [DEPTH-1:0][3:0] buf_byteen_in; + logic [DEPTH-1:0][31:0] buf_addr_in; + logic [DEPTH-1:0][31:0] buf_data_in; + logic [DEPTH-1:0] buf_error_en; + logic [DEPTH-1:0] buf_data_en; + logic [DEPTH-1:0][DEPTH-1:0] buf_age_in; + logic [DEPTH-1:0][DEPTH-1:0] buf_ageQ; + logic [DEPTH-1:0][DEPTH-1:0] buf_rspage_set; + logic [DEPTH-1:0][DEPTH-1:0] buf_rspage_in; + logic [DEPTH-1:0][DEPTH-1:0] buf_rspageQ; + + // Input buffer signals + logic ibuf_valid; + logic ibuf_dual; + logic ibuf_samedw; + logic ibuf_nomerge; + logic [DEPTH_LOG2-1:0] ibuf_tag; + logic [DEPTH_LOG2-1:0] ibuf_dualtag; + logic ibuf_sideeffect; + logic ibuf_unsign; + logic ibuf_write; + logic [1:0] ibuf_sz; + logic [3:0] ibuf_byteen; + logic [31:0] ibuf_addr; + logic [31:0] ibuf_data; + logic [TIMER_LOG2-1:0] ibuf_timer; + + logic ibuf_byp; + logic ibuf_wr_en; + logic ibuf_rst; + logic ibuf_force_drain; + logic ibuf_drain_vld; + logic [DEPTH-1:0] ibuf_drainvec_vld; + logic [DEPTH_LOG2-1:0] ibuf_tag_in; + logic [DEPTH_LOG2-1:0] ibuf_dualtag_in; + logic [1:0] ibuf_sz_in; + logic [31:0] ibuf_addr_in; + logic [3:0] ibuf_byteen_in; + logic [31:0] ibuf_data_in; + logic [TIMER_LOG2-1:0] ibuf_timer_in; + logic [3:0] ibuf_byteen_out; + logic [31:0] ibuf_data_out; + logic ibuf_merge_en, ibuf_merge_in; + + // Output buffer signals + logic obuf_valid; + logic obuf_write; + logic obuf_nosend; + logic obuf_rdrsp_pend; + logic obuf_sideeffect; + logic [31:0] obuf_addr; + logic [63:0] obuf_data; + logic [1:0] obuf_sz; + logic [7:0] obuf_byteen; + logic obuf_merge; + logic obuf_cmd_done, obuf_data_done; + logic [pt.LSU_BUS_TAG-1:0] obuf_tag0; + logic [pt.LSU_BUS_TAG-1:0] obuf_tag1; + logic [pt.LSU_BUS_TAG-1:0] obuf_rdrsp_tag; + + logic ibuf_buf_byp; + logic obuf_force_wr_en; + logic obuf_wr_wait; + logic obuf_wr_en, obuf_wr_enQ; + logic obuf_rst; + logic obuf_write_in; + logic obuf_nosend_in; + logic obuf_rdrsp_pend_en; + logic obuf_rdrsp_pend_in; + logic obuf_sideeffect_in; + logic obuf_aligned_in; + logic [31:0] obuf_addr_in; + logic [63:0] obuf_data_in; + logic [1:0] obuf_sz_in; + logic [7:0] obuf_byteen_in; + logic obuf_merge_in; + logic obuf_cmd_done_in, obuf_data_done_in; + logic [pt.LSU_BUS_TAG-1:0] obuf_tag0_in; + logic [pt.LSU_BUS_TAG-1:0] obuf_tag1_in; + logic [pt.LSU_BUS_TAG-1:0] obuf_rdrsp_tag_in; + + logic obuf_merge_en; + logic [TIMER_LOG2-1:0] obuf_wr_timer, obuf_wr_timer_in; + logic [7:0] obuf_byteen0_in, obuf_byteen1_in; + logic [63:0] obuf_data0_in, obuf_data1_in; + + logic lsu_axi_awvalid_q, lsu_axi_awready_q; + logic lsu_axi_wvalid_q, lsu_axi_wready_q; + logic lsu_axi_arvalid_q, lsu_axi_arready_q; + logic lsu_axi_bvalid_q, lsu_axi_bready_q; + logic lsu_axi_rvalid_q, lsu_axi_rready_q; + logic [pt.LSU_BUS_TAG-1:0] lsu_axi_bid_q, lsu_axi_rid_q; + logic [1:0] lsu_axi_bresp_q, lsu_axi_rresp_q; + logic [pt.LSU_BUS_TAG-1:0] lsu_imprecise_error_store_tag; + logic [63:0] lsu_axi_rdata_q; + + //------------------------------------------------------------------------------ + // Load forwarding logic start + //------------------------------------------------------------------------------ + + // Function to do 8 to 3 bit encoding + function automatic logic [2:0] f_Enc8to3; + input logic [7:0] Dec_value; + + logic [2:0] Enc_value; + Enc_value[0] = Dec_value[1] | Dec_value[3] | Dec_value[5] | Dec_value[7]; + Enc_value[1] = Dec_value[2] | Dec_value[3] | Dec_value[6] | Dec_value[7]; + Enc_value[2] = Dec_value[4] | Dec_value[5] | Dec_value[6] | Dec_value[7]; + + return Enc_value[2:0]; + endfunction // f_Enc8to3 + + // Buffer hit logic for bus load forwarding + assign ldst_byteen_hi_m[3:0] = ldst_byteen_ext_m[7:4]; + assign ldst_byteen_lo_m[3:0] = ldst_byteen_ext_m[3:0]; + for (genvar i=0; i<DEPTH; i++) begin + assign ld_addr_hitvec_lo[i] = (lsu_addr_m[31:2] == buf_addr[i][31:2]) & buf_write[i] & (buf_state[i] != IDLE) & lsu_busreq_m; + assign ld_addr_hitvec_hi[i] = (end_addr_m[31:2] == buf_addr[i][31:2]) & buf_write[i] & (buf_state[i] != IDLE) & lsu_busreq_m; + end + + for (genvar j=0; j<4; j++) begin + assign ld_byte_hit_buf_lo[j] = |(ld_byte_hitvecfn_lo[j]) | ld_byte_ibuf_hit_lo[j]; + assign ld_byte_hit_buf_hi[j] = |(ld_byte_hitvecfn_hi[j]) | ld_byte_ibuf_hit_hi[j]; + for (genvar i=0; i<DEPTH; i++) begin + assign ld_byte_hitvec_lo[j][i] = ld_addr_hitvec_lo[i] & buf_byteen[i][j] & ldst_byteen_lo_m[j]; + assign ld_byte_hitvec_hi[j][i] = ld_addr_hitvec_hi[i] & buf_byteen[i][j] & ldst_byteen_hi_m[j]; + + assign ld_byte_hitvecfn_lo[j][i] = ld_byte_hitvec_lo[j][i] & ~(|(ld_byte_hitvec_lo[j] & buf_age_younger[i])) & ~ld_byte_ibuf_hit_lo[j]; // Kill the byte enable if younger entry exists or byte exists in ibuf + assign ld_byte_hitvecfn_hi[j][i] = ld_byte_hitvec_hi[j][i] & ~(|(ld_byte_hitvec_hi[j] & buf_age_younger[i])) & ~ld_byte_ibuf_hit_hi[j]; // Kill the byte enable if younger entry exists or byte exists in ibuf + end + end + + // Hit in the ibuf + assign ld_addr_ibuf_hit_lo = (lsu_addr_m[31:2] == ibuf_addr[31:2]) & ibuf_write & ibuf_valid & lsu_busreq_m; + assign ld_addr_ibuf_hit_hi = (end_addr_m[31:2] == ibuf_addr[31:2]) & ibuf_write & ibuf_valid & lsu_busreq_m; + + for (genvar i=0; i<4; i++) begin + assign ld_byte_ibuf_hit_lo[i] = ld_addr_ibuf_hit_lo & ibuf_byteen[i] & ldst_byteen_lo_m[i]; + assign ld_byte_ibuf_hit_hi[i] = ld_addr_ibuf_hit_hi & ibuf_byteen[i] & ldst_byteen_hi_m[i]; + end + + always_comb begin + ld_fwddata_buf_lo[31:0] = {{8{ld_byte_ibuf_hit_lo[3]}},{8{ld_byte_ibuf_hit_lo[2]}},{8{ld_byte_ibuf_hit_lo[1]}},{8{ld_byte_ibuf_hit_lo[0]}}} & ibuf_data[31:0]; + ld_fwddata_buf_hi[31:0] = {{8{ld_byte_ibuf_hit_hi[3]}},{8{ld_byte_ibuf_hit_hi[2]}},{8{ld_byte_ibuf_hit_hi[1]}},{8{ld_byte_ibuf_hit_hi[0]}}} & ibuf_data[31:0]; + for (int i=0; i<DEPTH; i++) begin + ld_fwddata_buf_lo[7:0] |= {8{ld_byte_hitvecfn_lo[0][i]}} & buf_data[i][7:0]; + ld_fwddata_buf_lo[15:8] |= {8{ld_byte_hitvecfn_lo[1][i]}} & buf_data[i][15:8]; + ld_fwddata_buf_lo[23:16] |= {8{ld_byte_hitvecfn_lo[2][i]}} & buf_data[i][23:16]; + ld_fwddata_buf_lo[31:24] |= {8{ld_byte_hitvecfn_lo[3][i]}} & buf_data[i][31:24]; + + ld_fwddata_buf_hi[7:0] |= {8{ld_byte_hitvecfn_hi[0][i]}} & buf_data[i][7:0]; + ld_fwddata_buf_hi[15:8] |= {8{ld_byte_hitvecfn_hi[1][i]}} & buf_data[i][15:8]; + ld_fwddata_buf_hi[23:16] |= {8{ld_byte_hitvecfn_hi[2][i]}} & buf_data[i][23:16]; + ld_fwddata_buf_hi[31:24] |= {8{ld_byte_hitvecfn_hi[3][i]}} & buf_data[i][31:24]; + end + end + + //------------------------------------------------------------------------------ + // Load forwarding logic end + //------------------------------------------------------------------------------ + + assign bus_coalescing_disable = dec_tlu_wb_coalescing_disable | pt.BUILD_AHB_LITE; + + // Get the hi/lo byte enable + assign ldst_byteen_r[3:0] = ({4{lsu_pkt_r.by}} & 4'b0001) | + ({4{lsu_pkt_r.half}} & 4'b0011) | + ({4{lsu_pkt_r.word}} & 4'b1111); + + assign {ldst_byteen_hi_r[3:0], ldst_byteen_lo_r[3:0]} = {4'b0,ldst_byteen_r[3:0]} << lsu_addr_r[1:0]; + assign {store_data_hi_r[31:0], store_data_lo_r[31:0]} = {32'b0,store_data_r[31:0]} << 8*lsu_addr_r[1:0]; + assign ldst_samedw_r = (lsu_addr_r[3] == end_addr_r[3]); + assign is_aligned_r = (lsu_pkt_r.word & (lsu_addr_r[1:0] == 2'b0)) | + (lsu_pkt_r.half & (lsu_addr_r[0] == 1'b0)) | + lsu_pkt_r.by; + + //------------------------------------------------------------------------------ + // Input buffer logic starts here + //------------------------------------------------------------------------------ + + assign ibuf_byp = lsu_busreq_r & (lsu_pkt_r.load | no_word_merge_r) & ~ibuf_valid; + assign ibuf_wr_en = lsu_busreq_r & lsu_commit_r & ~ibuf_byp; + assign ibuf_rst = (ibuf_drain_vld & ~ibuf_wr_en) | dec_tlu_force_halt; + assign ibuf_force_drain = lsu_busreq_m & ~lsu_busreq_r & ibuf_valid & (lsu_pkt_m.load | (ibuf_addr[31:2] != lsu_addr_m[31:2])); // Move the ibuf to buf if there is a non-colaescable ld/st in m but nothing in r + assign ibuf_drain_vld = ibuf_valid & (((ibuf_wr_en | (ibuf_timer == TIMER_MAX)) & ~(ibuf_merge_en & ibuf_merge_in)) | ibuf_byp | ibuf_force_drain | ibuf_sideeffect | ~ibuf_write | bus_coalescing_disable); + assign ibuf_tag_in[DEPTH_LOG2-1:0] = (ibuf_merge_en & ibuf_merge_in) ? ibuf_tag[DEPTH_LOG2-1:0] : (ldst_dual_r ? WrPtr1_r : WrPtr0_r); + assign ibuf_dualtag_in[DEPTH_LOG2-1:0] = WrPtr0_r; + assign ibuf_sz_in[1:0] = {lsu_pkt_r.word, lsu_pkt_r.half}; + assign ibuf_addr_in[31:0] = ldst_dual_r ? end_addr_r[31:0] : lsu_addr_r[31:0]; + assign ibuf_byteen_in[3:0] = (ibuf_merge_en & ibuf_merge_in) ? (ibuf_byteen[3:0] | ldst_byteen_lo_r[3:0]) : (ldst_dual_r ? ldst_byteen_hi_r[3:0] : ldst_byteen_lo_r[3:0]); + for (genvar i=0; i<4; i++) begin + assign ibuf_data_in[(8*i)+7:(8*i)] = (ibuf_merge_en & ibuf_merge_in) ? (ldst_byteen_lo_r[i] ? store_data_lo_r[(8*i)+7:(8*i)] : ibuf_data[(8*i)+7:(8*i)]) : + (ldst_dual_r ? store_data_hi_r[(8*i)+7:(8*i)] : store_data_lo_r[(8*i)+7:(8*i)]); + end + assign ibuf_timer_in = ibuf_wr_en ? '0 : (ibuf_timer < TIMER_MAX) ? (ibuf_timer + 1'b1) : ibuf_timer; + + + assign ibuf_merge_en = lsu_busreq_r & lsu_commit_r & lsu_pkt_r.store & ibuf_valid & ibuf_write & (lsu_addr_r[31:2] == ibuf_addr[31:2]) & ~is_sideeffects_r & ~bus_coalescing_disable; + assign ibuf_merge_in = ~ldst_dual_r; // If it's a unaligned store, merge needs to happen on the way out of ibuf + + // ibuf signals going to bus buffer after merging + for (genvar i=0; i<4; i++) begin + assign ibuf_byteen_out[i] = (ibuf_merge_en & ~ibuf_merge_in) ? (ibuf_byteen[i] | ldst_byteen_lo_r[i]) : ibuf_byteen[i]; + assign ibuf_data_out[(8*i)+7:(8*i)] = (ibuf_merge_en & ~ibuf_merge_in) ? (ldst_byteen_lo_r[i] ? store_data_lo_r[(8*i)+7:(8*i)] : ibuf_data[(8*i)+7:(8*i)]) : + ibuf_data[(8*i)+7:(8*i)]; + end + + rvdffsc #(.WIDTH(1)) ibuf_valid_ff (.din(1'b1), .dout(ibuf_valid), .en(ibuf_wr_en), .clear(ibuf_rst), .clk(lsu_free_c2_clk), .*); + rvdffs #(.WIDTH(DEPTH_LOG2)) ibuf_tagff (.din(ibuf_tag_in), .dout(ibuf_tag), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffs #(.WIDTH(DEPTH_LOG2)) ibuf_dualtagff (.din(ibuf_dualtag_in), .dout(ibuf_dualtag), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffs #(.WIDTH(1)) ibuf_dualff (.din(ldst_dual_r), .dout(ibuf_dual), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffs #(.WIDTH(1)) ibuf_samedwff (.din(ldst_samedw_r), .dout(ibuf_samedw), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffs #(.WIDTH(1)) ibuf_nomergeff (.din(no_dword_merge_r), .dout(ibuf_nomerge), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffs #(.WIDTH(1)) ibuf_sideeffectff (.din(is_sideeffects_r), .dout(ibuf_sideeffect), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffs #(.WIDTH(1)) ibuf_unsignff (.din(lsu_pkt_r.unsign), .dout(ibuf_unsign), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffs #(.WIDTH(1)) ibuf_writeff (.din(lsu_pkt_r.store), .dout(ibuf_write), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffs #(.WIDTH(2)) ibuf_szff (.din(ibuf_sz_in[1:0]), .dout(ibuf_sz), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffe #(.WIDTH(32)) ibuf_addrff (.din(ibuf_addr_in[31:0]), .dout(ibuf_addr), .en(ibuf_wr_en), .*); + rvdffs #(.WIDTH(4)) ibuf_byteenff (.din(ibuf_byteen_in[3:0]), .dout(ibuf_byteen), .en(ibuf_wr_en), .clk(lsu_bus_ibuf_c1_clk), .*); + rvdffe #(.WIDTH(32)) ibuf_dataff (.din(ibuf_data_in[31:0]), .dout(ibuf_data), .en(ibuf_wr_en), .*); + rvdff #(.WIDTH(TIMER_LOG2)) ibuf_timerff (.din(ibuf_timer_in), .dout(ibuf_timer), .clk(lsu_free_c2_clk), .*); + + + //------------------------------------------------------------------------------ + // Input buffer logic ends here + //------------------------------------------------------------------------------ + + + //------------------------------------------------------------------------------ + // Output buffer logic starts here + //------------------------------------------------------------------------------ + + assign obuf_wr_wait = (buf_numvld_wrcmd_any[3:0] == 4'b1) & (buf_numvld_cmd_any[3:0] == 4'b1) & (obuf_wr_timer != TIMER_MAX) & + ~bus_coalescing_disable & ~buf_nomerge[CmdPtr0] & ~buf_sideeffect[CmdPtr0] & ~obuf_force_wr_en; + assign obuf_wr_timer_in = obuf_wr_en ? 3'b0: (((buf_numvld_cmd_any > 4'b0) & (obuf_wr_timer < TIMER_MAX)) ? (obuf_wr_timer + 1'b1) : obuf_wr_timer); + assign obuf_force_wr_en = lsu_busreq_m & ~lsu_busreq_r & ~ibuf_valid & (buf_numvld_cmd_any[3:0] == 4'b1) & (lsu_addr_m[31:2] != buf_addr[CmdPtr0][31:2]); // Entry in m can't merge with entry going to obuf and there is no entry in between + assign ibuf_buf_byp = ibuf_byp & (buf_numvld_pend_any[3:0] == 4'b0) & (~lsu_pkt_r.store | no_dword_merge_r); + + assign obuf_wr_en = ((ibuf_buf_byp & lsu_commit_r & ~(is_sideeffects_r & bus_sideeffect_pend)) | + ((buf_state[CmdPtr0] == CMD) & found_cmdptr0 & ~buf_cmd_state_bus_en[CmdPtr0] & ~(buf_sideeffect[CmdPtr0] & bus_sideeffect_pend) & + (~(buf_dual[CmdPtr0] & buf_samedw[CmdPtr0] & ~buf_write[CmdPtr0]) | found_cmdptr1 | buf_nomerge[CmdPtr0] | obuf_force_wr_en))) & + (bus_cmd_ready | ~obuf_valid | obuf_nosend) & ~obuf_wr_wait & ~bus_addr_match_pending & lsu_bus_clk_en; + + assign obuf_rst = ((bus_cmd_sent | (obuf_valid & obuf_nosend)) & ~obuf_wr_en & lsu_bus_clk_en) | dec_tlu_force_halt; + + assign obuf_write_in = ibuf_buf_byp ? lsu_pkt_r.store : buf_write[CmdPtr0]; + assign obuf_sideeffect_in = ibuf_buf_byp ? is_sideeffects_r : buf_sideeffect[CmdPtr0]; + assign obuf_addr_in[31:0] = ibuf_buf_byp ? lsu_addr_r[31:0] : buf_addr[CmdPtr0]; + assign obuf_sz_in[1:0] = ibuf_buf_byp ? {lsu_pkt_r.word, lsu_pkt_r.half} : buf_sz[CmdPtr0]; + assign obuf_merge_in = obuf_merge_en; + assign obuf_tag0_in[pt.LSU_BUS_TAG-1:0] = ibuf_buf_byp ? (pt.LSU_BUS_TAG)'(WrPtr0_r) : (pt.LSU_BUS_TAG)'(CmdPtr0); + assign obuf_tag1_in[pt.LSU_BUS_TAG-1:0] = ibuf_buf_byp ? (pt.LSU_BUS_TAG)'(WrPtr1_r) : (pt.LSU_BUS_TAG)'(CmdPtr1); + + assign obuf_cmd_done_in = ~(obuf_wr_en | obuf_rst) & (obuf_cmd_done | bus_wcmd_sent); + assign obuf_data_done_in = ~(obuf_wr_en | obuf_rst) & (obuf_data_done | bus_wdata_sent); + + assign obuf_aligned_in = ibuf_buf_byp ? is_aligned_r : ((obuf_sz_in[1:0] == 2'b0) | + (obuf_sz_in[0] & ~obuf_addr_in[0]) | + (obuf_sz_in[1] & ~(|obuf_addr_in[1:0]))); + + assign obuf_rdrsp_pend_in = ((~(obuf_wr_en & ~obuf_nosend_in) & obuf_rdrsp_pend & ~(bus_rsp_read & (bus_rsp_read_tag == obuf_rdrsp_tag))) | (bus_cmd_sent & ~obuf_write)) & ~dec_tlu_force_halt; + assign obuf_rdrsp_pend_en = lsu_bus_clk_en | dec_tlu_force_halt; + assign obuf_rdrsp_tag_in[pt.LSU_BUS_TAG-1:0] = (bus_cmd_sent & ~obuf_write) ? obuf_tag0[pt.LSU_BUS_TAG-1:0] : obuf_rdrsp_tag[pt.LSU_BUS_TAG-1:0]; + // No ld to ld fwd for aligned + assign obuf_nosend_in = (obuf_addr_in[31:3] == obuf_addr[31:3]) & obuf_aligned_in & ~obuf_sideeffect & ~obuf_write & ~obuf_write_in & ~dec_tlu_external_ldfwd_disable & + ((obuf_valid & ~obuf_nosend) | (obuf_rdrsp_pend & ~(bus_rsp_read & (bus_rsp_read_tag == obuf_rdrsp_tag)))); + + assign obuf_byteen0_in[7:0] = ibuf_buf_byp ? (lsu_addr_r[2] ? {ldst_byteen_lo_r[3:0],4'b0} : {4'b0,ldst_byteen_lo_r[3:0]}) : + (buf_addr[CmdPtr0][2] ? {buf_byteen[CmdPtr0],4'b0} : {4'b0,buf_byteen[CmdPtr0]}); + assign obuf_byteen1_in[7:0] = ibuf_buf_byp ? (end_addr_r[2] ? {ldst_byteen_hi_r[3:0],4'b0} : {4'b0,ldst_byteen_hi_r[3:0]}) : + (buf_addr[CmdPtr1][2] ? {buf_byteen[CmdPtr1],4'b0} : {4'b0,buf_byteen[CmdPtr1]}); + assign obuf_data0_in[63:0] = ibuf_buf_byp ? (lsu_addr_r[2] ? {store_data_lo_r[31:0],32'b0} : {32'b0,store_data_lo_r[31:0]}) : + (buf_addr[CmdPtr0][2] ? {buf_data[CmdPtr0],32'b0} : {32'b0,buf_data[CmdPtr0]}); + assign obuf_data1_in[63:0] = ibuf_buf_byp ? (end_addr_r[2] ? {store_data_hi_r[31:0],32'b0} :{32'b0,store_data_hi_r[31:0]}) : + (buf_addr[CmdPtr1][2] ? {buf_data[CmdPtr1],32'b0} : {32'b0,buf_data[CmdPtr1]}); + + for (genvar i=0 ;i<8; i++) begin + assign obuf_byteen_in[i] = obuf_byteen0_in[i] | (obuf_merge_en & obuf_byteen1_in[i]); + assign obuf_data_in[(8*i)+7:(8*i)] = (obuf_merge_en & obuf_byteen1_in[i]) ? obuf_data1_in[(8*i)+7:(8*i)] : obuf_data0_in[(8*i)+7:(8*i)]; + end + + // No store obuf merging for AXI since all stores are sent non-posted. Can't track the second id right now + assign obuf_merge_en = ((CmdPtr0 != CmdPtr1) & found_cmdptr0 & found_cmdptr1 & (buf_state[CmdPtr0] == CMD) & (buf_state[CmdPtr1] == CMD) & + ~buf_cmd_state_bus_en[CmdPtr0] & ~buf_sideeffect[CmdPtr0] & + (~buf_write[CmdPtr0] & buf_dual[CmdPtr0] & ~buf_dualhi[CmdPtr0] & buf_samedw[CmdPtr0])) | // CmdPtr0/CmdPtr1 are for same load which is within a DW + (ibuf_buf_byp & ldst_samedw_r & ldst_dual_r); + + + rvdff_fpga #(.WIDTH(1)) obuf_wren_ff (.din(obuf_wr_en), .dout(obuf_wr_enQ), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdffsc #(.WIDTH(1)) obuf_valid_ff (.din(1'b1), .dout(obuf_valid), .en(obuf_wr_en), .clear(obuf_rst), .clk(lsu_free_c2_clk), .*); + rvdffs #(.WIDTH(1)) obuf_nosend_ff (.din(obuf_nosend_in), .dout(obuf_nosend), .en(obuf_wr_en), .clk(lsu_free_c2_clk), .*); + rvdffs #(.WIDTH(1)) obuf_rdrsp_pend_ff(.din(obuf_rdrsp_pend_in), .dout(obuf_rdrsp_pend), .en(obuf_rdrsp_pend_en), .clk(lsu_free_c2_clk), .*); + rvdff_fpga #(.WIDTH(1)) obuf_cmd_done_ff (.din(obuf_cmd_done_in), .dout(obuf_cmd_done), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) obuf_data_done_ff (.din(obuf_data_done_in), .dout(obuf_data_done), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(pt.LSU_BUS_TAG)) obuf_rdrsp_tagff (.din(obuf_rdrsp_tag_in), .dout(obuf_rdrsp_tag), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(pt.LSU_BUS_TAG)) obuf_tag0ff (.din(obuf_tag0_in), .dout(obuf_tag0), .en(obuf_wr_en), .clk(lsu_bus_obuf_c1_clk), .clken(lsu_bus_obuf_c1_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(pt.LSU_BUS_TAG)) obuf_tag1ff (.din(obuf_tag1_in), .dout(obuf_tag1), .en(obuf_wr_en), .clk(lsu_bus_obuf_c1_clk), .clken(lsu_bus_obuf_c1_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(1)) obuf_mergeff (.din(obuf_merge_in), .dout(obuf_merge), .en(obuf_wr_en), .clk(lsu_bus_obuf_c1_clk), .clken(lsu_bus_obuf_c1_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(1)) obuf_writeff (.din(obuf_write_in), .dout(obuf_write), .en(obuf_wr_en), .clk(lsu_bus_obuf_c1_clk), .clken(lsu_bus_obuf_c1_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(1)) obuf_sideeffectff (.din(obuf_sideeffect_in), .dout(obuf_sideeffect), .en(obuf_wr_en), .clk(lsu_bus_obuf_c1_clk), .clken(lsu_bus_obuf_c1_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(2)) obuf_szff (.din(obuf_sz_in[1:0]), .dout(obuf_sz), .en(obuf_wr_en), .clk(lsu_bus_obuf_c1_clk), .clken(lsu_bus_obuf_c1_clken), .rawclk(clk), .*); + rvdffs_fpga #(.WIDTH(8)) obuf_byteenff (.din(obuf_byteen_in[7:0]), .dout(obuf_byteen), .en(obuf_wr_en), .clk(lsu_bus_obuf_c1_clk), .clken(lsu_bus_obuf_c1_clken), .rawclk(clk), .*); + rvdffe #(.WIDTH(32)) obuf_addrff (.din(obuf_addr_in[31:0]), .dout(obuf_addr), .en(obuf_wr_en), .*); + rvdffe #(.WIDTH(64)) obuf_dataff (.din(obuf_data_in[63:0]), .dout(obuf_data), .en(obuf_wr_en), .*); + rvdff_fpga #(.WIDTH(TIMER_LOG2)) obuf_timerff (.din(obuf_wr_timer_in), .dout(obuf_wr_timer), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + + + //------------------------------------------------------------------------------ + // Output buffer logic ends here + //------------------------------------------------------------------------------ + + // Find the entry to allocate and entry to send + always_comb begin + WrPtr0_m[DEPTH_LOG2-1:0] = '0; + WrPtr1_m[DEPTH_LOG2-1:0] = '0; + found_wrptr0 = '0; + found_wrptr1 = '0; + + // Find first write pointer + for (int i=0; i<DEPTH; i++) begin + if (~found_wrptr0) begin + WrPtr0_m[DEPTH_LOG2-1:0] = DEPTH_LOG2'(i); + found_wrptr0 = (buf_state[i] == IDLE) & ~((ibuf_valid & (ibuf_tag == i)) | + (lsu_busreq_r & ((WrPtr0_r == i) | (ldst_dual_r & (WrPtr1_r == i))))); + end + end + + // Find second write pointer + for (int i=0; i<DEPTH; i++) begin + if (~found_wrptr1) begin + WrPtr1_m[DEPTH_LOG2-1:0] = DEPTH_LOG2'(i); + found_wrptr1 = (buf_state[i] == IDLE) & ~((ibuf_valid & (ibuf_tag == i)) | + (lsu_busreq_m & (WrPtr0_m == i)) | + (lsu_busreq_r & ((WrPtr0_r == i) | (ldst_dual_r & (WrPtr1_r == i))))); + end + end + end + + // Get the command ptr + for (genvar i=0; i<DEPTH; i++) begin + // These should be one-hot + assign CmdPtr0Dec[i] = ~(|buf_age[i]) & (buf_state[i] == CMD) & ~buf_cmd_state_bus_en[i]; + assign CmdPtr1Dec[i] = ~(|(buf_age[i] & ~CmdPtr0Dec)) & ~CmdPtr0Dec[i] & (buf_state[i] == CMD) & ~buf_cmd_state_bus_en[i]; + assign RspPtrDec[i] = ~(|buf_rsp_pickage[i]) & (buf_state[i] == DONE_WAIT); + end + + assign found_cmdptr0 = |CmdPtr0Dec; + assign found_cmdptr1 = |CmdPtr1Dec; + assign CmdPtr0 = f_Enc8to3(8'(CmdPtr0Dec[DEPTH-1:0])); + assign CmdPtr1 = f_Enc8to3(8'(CmdPtr1Dec[DEPTH-1:0])); + assign RspPtr = f_Enc8to3(8'(RspPtrDec[DEPTH-1:0])); + + // Age vector + for (genvar i=0; i<DEPTH; i++) begin: GenAgeVec + for (genvar j=0; j<DEPTH; j++) begin + assign buf_age_in[i][j] = (((buf_state[i] == IDLE) & buf_state_en[i]) & + (((buf_state[j] == WAIT) | ((buf_state[j] == CMD) & ~buf_cmd_state_bus_en[j])) | // Set age bit for older entries + (ibuf_drain_vld & lsu_busreq_r & (ibuf_byp | ldst_dual_r) & (i == WrPtr0_r) & (j == ibuf_tag)) | // Set case for dual lo + (ibuf_byp & lsu_busreq_r & ldst_dual_r & (i == WrPtr1_r) & (j == WrPtr0_r)))) | // ibuf bypass case + buf_age[i][j]; + + + assign buf_age[i][j] = buf_ageQ[i][j] & ~((buf_state[j] == CMD) & buf_cmd_state_bus_en[j]) & ~dec_tlu_force_halt; // Reset case + + assign buf_age_younger[i][j] = (i == j) ? 1'b0: (~buf_age[i][j] & (buf_state[j] != IDLE)); // Younger entries + end + end + + // Age vector for responses + for (genvar i=0; i<DEPTH; i++) begin: GenRspAgeVec + for (genvar j=0; j<DEPTH; j++) begin + assign buf_rspage_set[i][j] = ((buf_state[i] == IDLE) & buf_state_en[i]) & + (~((buf_state[j] == IDLE) | (buf_state[j] == DONE)) | // Set age bit for older entries + (ibuf_drain_vld & lsu_busreq_r & (ibuf_byp | ldst_dual_r) & (DEPTH_LOG2'(i) == WrPtr0_r) & (DEPTH_LOG2'(j) == ibuf_tag)) | // Set case for dual lo + (ibuf_byp & lsu_busreq_r & ldst_dual_r & (DEPTH_LOG2'(i) == WrPtr1_r) & (DEPTH_LOG2'(j) == WrPtr0_r))); + assign buf_rspage_in[i][j] = buf_rspage_set[i][j] | buf_rspage[i][j]; + assign buf_rspage[i][j] = buf_rspageQ[i][j] & ~((buf_state[j] == DONE) | (buf_state[j] == IDLE)) & ~dec_tlu_force_halt; // Reset case + assign buf_rsp_pickage[i][j] = buf_rspageQ[i][j] & (buf_state[j] == DONE_WAIT); + end + end + + //------------------------------------------------------------------------------ + // Buffer logic + //------------------------------------------------------------------------------ + for (genvar i=0; i<DEPTH; i++) begin + + assign ibuf_drainvec_vld[i] = (ibuf_drain_vld & (i == ibuf_tag)); + assign buf_byteen_in[i] = ibuf_drainvec_vld[i] ? ibuf_byteen_out[3:0] : ((ibuf_byp & ldst_dual_r & (i == WrPtr1_r)) ? ldst_byteen_hi_r[3:0] : ldst_byteen_lo_r[3:0]); + assign buf_addr_in[i] = ibuf_drainvec_vld[i] ? ibuf_addr[31:0] : ((ibuf_byp & ldst_dual_r & (i == WrPtr1_r)) ? end_addr_r[31:0] : lsu_addr_r[31:0]); + assign buf_dual_in[i] = ibuf_drainvec_vld[i] ? ibuf_dual : ldst_dual_r; + assign buf_samedw_in[i] = ibuf_drainvec_vld[i] ? ibuf_samedw : ldst_samedw_r; + assign buf_nomerge_in[i] = ibuf_drainvec_vld[i] ? (ibuf_nomerge | ibuf_force_drain) : no_dword_merge_r; + assign buf_dualhi_in[i] = ibuf_drainvec_vld[i] ? ibuf_dual : (ibuf_byp & ldst_dual_r & (i == WrPtr1_r)); // If it's dual, ibuf will always have the high + assign buf_dualtag_in[i] = ibuf_drainvec_vld[i] ? ibuf_dualtag : ((ibuf_byp & ldst_dual_r & (i == WrPtr1_r)) ? WrPtr0_r : WrPtr1_r); + assign buf_sideeffect_in[i] = ibuf_drainvec_vld[i] ? ibuf_sideeffect : is_sideeffects_r; + assign buf_unsign_in[i] = ibuf_drainvec_vld[i] ? ibuf_unsign : lsu_pkt_r.unsign; + assign buf_sz_in[i] = ibuf_drainvec_vld[i] ? ibuf_sz : {lsu_pkt_r.word, lsu_pkt_r.half}; + assign buf_write_in[i] = ibuf_drainvec_vld[i] ? ibuf_write : lsu_pkt_r.store; + + // Buffer entry state machine + always_comb begin + buf_nxtstate[i] = IDLE; + buf_state_en[i] = '0; + buf_resp_state_bus_en[i] = '0; + buf_state_bus_en[i] = '0; + buf_wr_en[i] = '0; + buf_data_in[i] = '0; + buf_data_en[i] = '0; + buf_error_en[i] = '0; + buf_rst[i] = dec_tlu_force_halt; + buf_ldfwd_en[i] = dec_tlu_force_halt; + buf_ldfwd_in[i] = '0; + buf_ldfwdtag_in[i] = '0; + + case (buf_state[i]) + IDLE: begin + buf_nxtstate[i] = lsu_bus_clk_en ? CMD : WAIT; + buf_state_en[i] = (lsu_busreq_r & lsu_commit_r & (((ibuf_byp | ldst_dual_r) & ~ibuf_merge_en & (i == WrPtr0_r)) | (ibuf_byp & ldst_dual_r & (i == WrPtr1_r)))) | + (ibuf_drain_vld & (i == ibuf_tag)); + buf_wr_en[i] = buf_state_en[i]; + buf_data_en[i] = buf_state_en[i]; + buf_data_in[i] = (ibuf_drain_vld & (i == ibuf_tag)) ? ibuf_data_out[31:0] : store_data_lo_r[31:0]; + buf_cmd_state_bus_en[i] = '0; + end + WAIT: begin + buf_nxtstate[i] = dec_tlu_force_halt ? IDLE : CMD; + buf_state_en[i] = lsu_bus_clk_en | dec_tlu_force_halt; + buf_cmd_state_bus_en[i] = '0; + end + CMD: begin + buf_nxtstate[i] = dec_tlu_force_halt ? IDLE : (obuf_nosend & bus_rsp_read & (bus_rsp_read_tag == obuf_rdrsp_tag)) ? DONE_WAIT : RESP; + buf_cmd_state_bus_en[i] = ((obuf_tag0 == i) | (obuf_merge & (obuf_tag1 == i))) & obuf_valid & obuf_wr_enQ; // Just use the recently written obuf_valid + buf_state_bus_en[i] = buf_cmd_state_bus_en[i]; + buf_state_en[i] = (buf_state_bus_en[i] & lsu_bus_clk_en) | dec_tlu_force_halt; + buf_ldfwd_in[i] = 1'b1; + buf_ldfwd_en[i] = buf_state_en[i] & ~buf_write[i] & obuf_nosend & ~dec_tlu_force_halt; + buf_ldfwdtag_in[i] = DEPTH_LOG2'(obuf_rdrsp_tag[pt.LSU_BUS_TAG-2:0]); + buf_data_en[i] = buf_state_bus_en[i] & lsu_bus_clk_en & obuf_nosend & bus_rsp_read; + buf_error_en[i] = buf_state_bus_en[i] & lsu_bus_clk_en & obuf_nosend & bus_rsp_read_error; + buf_data_in[i] = buf_error_en[i] ? bus_rsp_rdata[31:0] : (buf_addr[i][2] ? bus_rsp_rdata[63:32] : bus_rsp_rdata[31:0]); + end + RESP: begin + buf_nxtstate[i] = (dec_tlu_force_halt | (buf_write[i] & ~bus_rsp_write_error)) ? IDLE : // Side-effect writes will be non-posted + (buf_dual[i] & ~buf_samedw[i] & ~buf_write[i] & (buf_state[buf_dualtag[i]] != DONE_PARTIAL)) ? DONE_PARTIAL : // Goto DONE_PARTIAL if this is the first return of dual + (buf_ldfwd[i] | any_done_wait_state | + (buf_dual[i] & ~buf_samedw[i] & ~buf_write[i] & buf_ldfwd[buf_dualtag[i]] & + (buf_state[buf_dualtag[i]] == DONE_PARTIAL) & any_done_wait_state)) ? DONE_WAIT : DONE; + buf_resp_state_bus_en[i] = (bus_rsp_write & (bus_rsp_write_tag == (pt.LSU_BUS_TAG)'(i))) | + (bus_rsp_read & ((bus_rsp_read_tag == (pt.LSU_BUS_TAG)'(i)) | + (buf_ldfwd[i] & (bus_rsp_read_tag == (pt.LSU_BUS_TAG)'(buf_ldfwdtag[i]))) | + (buf_dual[i] & buf_dualhi[i] & ~buf_write[i] & buf_samedw[i] & (bus_rsp_read_tag == (pt.LSU_BUS_TAG)'(buf_dualtag[i]))))); + buf_state_bus_en[i] = buf_resp_state_bus_en[i]; + buf_state_en[i] = (buf_state_bus_en[i] & lsu_bus_clk_en) | dec_tlu_force_halt; + buf_data_en[i] = buf_state_bus_en[i] & bus_rsp_read & lsu_bus_clk_en; + // Need to capture the error for stores as well for AXI + buf_error_en[i] = buf_state_bus_en[i] & lsu_bus_clk_en & ((bus_rsp_read_error & (bus_rsp_read_tag == (pt.LSU_BUS_TAG)'(i))) | + (bus_rsp_read_error & buf_ldfwd[i] & (bus_rsp_read_tag == (pt.LSU_BUS_TAG)'(buf_ldfwdtag[i]))) | + (bus_rsp_write_error & (bus_rsp_write_tag == (pt.LSU_BUS_TAG)'(i)))); + buf_data_in[i][31:0] = (buf_state_en[i] & ~buf_error_en[i]) ? (buf_addr[i][2] ? bus_rsp_rdata[63:32] : bus_rsp_rdata[31:0]) : bus_rsp_rdata[31:0]; + buf_cmd_state_bus_en[i] = '0; + end + DONE_PARTIAL: begin // Other part of dual load hasn't returned + buf_nxtstate[i] = dec_tlu_force_halt ? IDLE : (buf_ldfwd[i] | buf_ldfwd[buf_dualtag[i]] | any_done_wait_state) ? DONE_WAIT : DONE; + buf_state_bus_en[i] = bus_rsp_read & ((bus_rsp_read_tag == (pt.LSU_BUS_TAG)'(buf_dualtag[i])) | + (buf_ldfwd[buf_dualtag[i]] & (bus_rsp_read_tag == (pt.LSU_BUS_TAG)'(buf_ldfwdtag[buf_dualtag[i]])))); + buf_state_en[i] = (buf_state_bus_en[i] & lsu_bus_clk_en) | dec_tlu_force_halt; + buf_cmd_state_bus_en[i] = '0; + end + DONE_WAIT: begin // WAIT state if there are multiple outstanding nb returns + buf_nxtstate[i] = dec_tlu_force_halt ? IDLE : DONE; + buf_state_en[i] = ((RspPtr == DEPTH_LOG2'(i)) | (buf_dual[i] & (buf_dualtag[i] == RspPtr))) | dec_tlu_force_halt; + buf_cmd_state_bus_en[i] = '0; + end + DONE: begin + buf_nxtstate[i] = IDLE; + buf_rst[i] = 1'b1; + buf_state_en[i] = 1'b1; + buf_ldfwd_in[i] = 1'b0; + buf_ldfwd_en[i] = buf_state_en[i]; + buf_cmd_state_bus_en[i] = '0; + end + default : begin + buf_nxtstate[i] = IDLE; + buf_state_en[i] = '0; + buf_resp_state_bus_en[i] = '0; + buf_state_bus_en[i] = '0; + buf_wr_en[i] = '0; + buf_data_in[i] = '0; + buf_data_en[i] = '0; + buf_error_en[i] = '0; + buf_rst[i] = '0; + buf_cmd_state_bus_en[i] = '0; + end + endcase + end + + rvdffs #(.WIDTH($bits(state_t))) buf_state_ff (.din(buf_nxtstate[i]), .dout({buf_state[i]}), .en(buf_state_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdff #(.WIDTH(DEPTH)) buf_ageff (.din(buf_age_in[i]), .dout(buf_ageQ[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdff #(.WIDTH(DEPTH)) buf_rspageff (.din(buf_rspage_in[i]), .dout(buf_rspageQ[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(DEPTH_LOG2)) buf_dualtagff (.din(buf_dualtag_in[i]), .dout(buf_dualtag[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(1)) buf_dualff (.din(buf_dual_in[i]), .dout(buf_dual[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(1)) buf_samedwff (.din(buf_samedw_in[i]), .dout(buf_samedw[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(1)) buf_nomergeff (.din(buf_nomerge_in[i]), .dout(buf_nomerge[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(1)) buf_dualhiff (.din(buf_dualhi_in[i]), .dout(buf_dualhi[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(1)) buf_ldfwdff (.din(buf_ldfwd_in[i]), .dout(buf_ldfwd[i]), .en(buf_ldfwd_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(DEPTH_LOG2)) buf_ldfwdtagff (.din(buf_ldfwdtag_in[i]), .dout(buf_ldfwdtag[i]), .en(buf_ldfwd_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(1)) buf_sideeffectff (.din(buf_sideeffect_in[i]), .dout(buf_sideeffect[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(1)) buf_unsignff (.din(buf_unsign_in[i]), .dout(buf_unsign[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(1)) buf_writeff (.din(buf_write_in[i]), .dout(buf_write[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffs #(.WIDTH(2)) buf_szff (.din(buf_sz_in[i]), .dout(buf_sz[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffe #(.WIDTH(32)) buf_addrff (.din(buf_addr_in[i][31:0]), .dout(buf_addr[i]), .en(buf_wr_en[i]), .*); + rvdffs #(.WIDTH(4)) buf_byteenff (.din(buf_byteen_in[i][3:0]), .dout(buf_byteen[i]), .en(buf_wr_en[i]), .clk(lsu_bus_buf_c1_clk), .*); + rvdffe #(.WIDTH(32)) buf_dataff (.din(buf_data_in[i][31:0]), .dout(buf_data[i]), .en(buf_data_en[i]), .*); + rvdffsc #(.WIDTH(1)) buf_errorff (.din(1'b1), .dout(buf_error[i]), .en(buf_error_en[i]), .clear(buf_rst[i]), .clk(lsu_bus_buf_c1_clk), .*); + + end + + // buffer full logic + always_comb begin + buf_numvld_any[3:0] = ({1'b0,lsu_busreq_m} << ldst_dual_m) + + ({1'b0,lsu_busreq_r} << ldst_dual_r) + + ibuf_valid; + buf_numvld_wrcmd_any[3:0] = 4'b0; + buf_numvld_cmd_any[3:0] = 4'b0; + buf_numvld_pend_any[3:0] = 4'b0; + any_done_wait_state = 1'b0; + for (int i=0; i<DEPTH; i++) begin + buf_numvld_any[3:0] += {3'b0, (buf_state[i] != IDLE)}; + buf_numvld_wrcmd_any[3:0] += {3'b0, (buf_write[i] & (buf_state[i] == CMD) & ~buf_cmd_state_bus_en[i])}; + buf_numvld_cmd_any[3:0] += {3'b0, ((buf_state[i] == CMD) & ~buf_cmd_state_bus_en[i])}; + buf_numvld_pend_any[3:0] += {3'b0, ((buf_state[i] == WAIT) | ((buf_state[i] == CMD) & ~buf_cmd_state_bus_en[i]))}; + any_done_wait_state |= (buf_state[i] == DONE_WAIT); + end + end + + assign lsu_bus_buffer_pend_any = (buf_numvld_pend_any != 0); + assign lsu_bus_buffer_full_any = (ldst_dual_d & dec_lsu_valid_raw_d) ? (buf_numvld_any[3:0] >= (DEPTH-1)) : (buf_numvld_any[3:0] == DEPTH); + assign lsu_bus_buffer_empty_any = ~(|buf_state[DEPTH-1:0]) & ~ibuf_valid & ~obuf_valid; + + + // Non blocking ports + assign lsu_nonblock_load_valid_m = lsu_busreq_m & lsu_pkt_m.valid & lsu_pkt_m.load & ~flush_m_up & ~ld_full_hit_m; + assign lsu_nonblock_load_tag_m[DEPTH_LOG2-1:0] = WrPtr0_m[DEPTH_LOG2-1:0]; + assign lsu_nonblock_load_inv_r = lsu_nonblock_load_valid_r & ~lsu_commit_r; + assign lsu_nonblock_load_inv_tag_r[DEPTH_LOG2-1:0] = WrPtr0_r[DEPTH_LOG2-1:0]; // r tag needs to be accurate even if there is no invalidate + + always_comb begin + lsu_nonblock_load_data_ready = '0; + lsu_nonblock_load_data_error = '0; + lsu_nonblock_load_data_tag[DEPTH_LOG2-1:0] = '0; + lsu_nonblock_load_data_lo[31:0] = '0; + lsu_nonblock_load_data_hi[31:0] = '0; + for (int i=0; i<DEPTH; i++) begin + // Use buf_rst[i] instead of buf_state_en[i] for timing + lsu_nonblock_load_data_ready |= (buf_state[i] == DONE) & ~buf_write[i]; + lsu_nonblock_load_data_error |= (buf_state[i] == DONE) & buf_error[i] & ~buf_write[i]; + lsu_nonblock_load_data_tag[DEPTH_LOG2-1:0] |= DEPTH_LOG2'(i) & {DEPTH_LOG2{((buf_state[i] == DONE) & ~buf_write[i] & (~buf_dual[i] | ~buf_dualhi[i]))}}; + lsu_nonblock_load_data_lo[31:0] |= buf_data[i][31:0] & {32{((buf_state[i] == DONE) & ~buf_write[i] & (~buf_dual[i] | ~buf_dualhi[i]))}}; + lsu_nonblock_load_data_hi[31:0] |= buf_data[i][31:0] & {32{((buf_state[i] == DONE) & ~buf_write[i] & (buf_dual[i] & buf_dualhi[i]))}}; + end + end + + assign lsu_nonblock_addr_offset[1:0] = buf_addr[lsu_nonblock_load_data_tag][1:0]; + assign lsu_nonblock_sz[1:0] = buf_sz[lsu_nonblock_load_data_tag][1:0]; + assign lsu_nonblock_unsign = buf_unsign[lsu_nonblock_load_data_tag]; + assign lsu_nonblock_data_unalgn[31:0] = 32'({lsu_nonblock_load_data_hi[31:0], lsu_nonblock_load_data_lo[31:0]} >> 8*lsu_nonblock_addr_offset[1:0]); + + assign lsu_nonblock_load_data_valid = lsu_nonblock_load_data_ready & ~lsu_nonblock_load_data_error; + assign lsu_nonblock_load_data[31:0] = ({32{ lsu_nonblock_unsign & (lsu_nonblock_sz[1:0] == 2'b00)}} & {24'b0,lsu_nonblock_data_unalgn[7:0]}) | + ({32{ lsu_nonblock_unsign & (lsu_nonblock_sz[1:0] == 2'b01)}} & {16'b0,lsu_nonblock_data_unalgn[15:0]}) | + ({32{~lsu_nonblock_unsign & (lsu_nonblock_sz[1:0] == 2'b00)}} & {{24{lsu_nonblock_data_unalgn[7]}}, lsu_nonblock_data_unalgn[7:0]}) | + ({32{~lsu_nonblock_unsign & (lsu_nonblock_sz[1:0] == 2'b01)}} & {{16{lsu_nonblock_data_unalgn[15]}},lsu_nonblock_data_unalgn[15:0]}) | + ({32{(lsu_nonblock_sz[1:0] == 2'b10)}} & lsu_nonblock_data_unalgn[31:0]); + + // Determine if there is a pending return to sideeffect load/store + always_comb begin + bus_sideeffect_pend = obuf_valid & obuf_sideeffect & dec_tlu_sideeffect_posted_disable; + for (int i=0; i<DEPTH; i++) begin + bus_sideeffect_pend |= ((buf_state[i] == RESP) & buf_sideeffect[i] & dec_tlu_sideeffect_posted_disable); + end + end + + // We have no ordering rules for AXI. Need to check outstanding trxns to same address for AXI + always_comb begin + bus_addr_match_pending = '0; + for (int i=0; i<DEPTH; i++) begin + bus_addr_match_pending |= (obuf_valid & (obuf_addr[31:3] == buf_addr[i][31:3]) & (buf_state[i] == RESP) & ~((obuf_tag0 == (pt.LSU_BUS_TAG)'(i)) | (obuf_merge & (obuf_tag1 == (pt.LSU_BUS_TAG)'(i))))); + end + end + + // Generic bus signals + assign bus_cmd_ready = obuf_write ? ((obuf_cmd_done | obuf_data_done) ? (obuf_cmd_done ? lsu_axi_wready : lsu_axi_awready) : (lsu_axi_awready & lsu_axi_wready)) : lsu_axi_arready; + assign bus_wcmd_sent = lsu_axi_awvalid & lsu_axi_awready; + assign bus_wdata_sent = lsu_axi_wvalid & lsu_axi_wready; + assign bus_cmd_sent = ((obuf_cmd_done | bus_wcmd_sent) & (obuf_data_done | bus_wdata_sent)) | (lsu_axi_arvalid & lsu_axi_arready); + + assign bus_rsp_read = lsu_axi_rvalid & lsu_axi_rready; + assign bus_rsp_write = lsu_axi_bvalid & lsu_axi_bready; + assign bus_rsp_read_tag[pt.LSU_BUS_TAG-1:0] = lsu_axi_rid[pt.LSU_BUS_TAG-1:0]; + assign bus_rsp_write_tag[pt.LSU_BUS_TAG-1:0] = lsu_axi_bid[pt.LSU_BUS_TAG-1:0]; + assign bus_rsp_write_error = bus_rsp_write & (lsu_axi_bresp[1:0] != 2'b0); + assign bus_rsp_read_error = bus_rsp_read & (lsu_axi_rresp[1:0] != 2'b0); + assign bus_rsp_rdata[63:0] = lsu_axi_rdata[63:0]; + + // AXI command signals + assign lsu_axi_awvalid = obuf_valid & obuf_write & ~obuf_cmd_done & ~bus_addr_match_pending; + assign lsu_axi_awid[pt.LSU_BUS_TAG-1:0] = (pt.LSU_BUS_TAG)'(obuf_tag0); + assign lsu_axi_awaddr[31:0] = obuf_sideeffect ? obuf_addr[31:0] : {obuf_addr[31:3],3'b0}; + assign lsu_axi_awsize[2:0] = obuf_sideeffect ? {1'b0, obuf_sz[1:0]} : 3'b011; + assign lsu_axi_awprot[2:0] = 3'b001; + assign lsu_axi_awcache[3:0] = obuf_sideeffect ? 4'b0 : 4'b1111; + assign lsu_axi_awregion[3:0] = obuf_addr[31:28]; + assign lsu_axi_awlen[7:0] = '0; + assign lsu_axi_awburst[1:0] = 2'b01; + assign lsu_axi_awqos[3:0] = '0; + assign lsu_axi_awlock = '0; + + assign lsu_axi_wvalid = obuf_valid & obuf_write & ~obuf_data_done & ~bus_addr_match_pending; + assign lsu_axi_wstrb[7:0] = obuf_byteen[7:0] & {8{obuf_write}}; + assign lsu_axi_wdata[63:0] = obuf_data[63:0]; + assign lsu_axi_wlast = '1; + + assign lsu_axi_arvalid = obuf_valid & ~obuf_write & ~obuf_nosend & ~bus_addr_match_pending; + assign lsu_axi_arid[pt.LSU_BUS_TAG-1:0] = (pt.LSU_BUS_TAG)'(obuf_tag0); + assign lsu_axi_araddr[31:0] = obuf_sideeffect ? obuf_addr[31:0] : {obuf_addr[31:3],3'b0}; + assign lsu_axi_arsize[2:0] = obuf_sideeffect ? {1'b0, obuf_sz[1:0]} : 3'b011; + assign lsu_axi_arprot[2:0] = 3'b001; + assign lsu_axi_arcache[3:0] = obuf_sideeffect ? 4'b0 : 4'b1111; + assign lsu_axi_arregion[3:0] = obuf_addr[31:28]; + assign lsu_axi_arlen[7:0] = '0; + assign lsu_axi_arburst[1:0] = 2'b01; + assign lsu_axi_arqos[3:0] = '0; + assign lsu_axi_arlock = '0; + + assign lsu_axi_bready = 1; + assign lsu_axi_rready = 1; + + always_comb begin + lsu_imprecise_error_store_any = '0; + lsu_imprecise_error_store_tag = '0; + for (int i=0; i<DEPTH; i++) begin + lsu_imprecise_error_store_any |= lsu_bus_clk_en_q & (buf_state[i] == DONE) & buf_error[i] & buf_write[i]; + lsu_imprecise_error_store_tag |= DEPTH_LOG2'(i) & {DEPTH_LOG2{((buf_state[i] == DONE) & buf_error[i] & buf_write[i])}}; + end + end + assign lsu_imprecise_error_load_any = lsu_nonblock_load_data_error & ~lsu_imprecise_error_store_any; // This is to make sure we send only one imprecise error for load/store + assign lsu_imprecise_error_addr_any[31:0] = lsu_imprecise_error_store_any ? buf_addr[lsu_imprecise_error_store_tag] : buf_addr[lsu_nonblock_load_data_tag]; + + // PMU signals + assign lsu_pmu_bus_trxn = (lsu_axi_awvalid & lsu_axi_awready) | (lsu_axi_wvalid & lsu_axi_wready) | (lsu_axi_arvalid & lsu_axi_arready); + assign lsu_pmu_bus_misaligned = lsu_busreq_r & ldst_dual_r & lsu_commit_r; + assign lsu_pmu_bus_error = lsu_imprecise_error_load_any | lsu_imprecise_error_store_any; + assign lsu_pmu_bus_busy = (lsu_axi_awvalid & ~lsu_axi_awready) | (lsu_axi_wvalid & ~lsu_axi_wready) | (lsu_axi_arvalid & ~lsu_axi_arready); + + rvdff_fpga #(.WIDTH(1)) lsu_axi_awvalid_ff (.din(lsu_axi_awvalid), .dout(lsu_axi_awvalid_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) lsu_axi_awready_ff (.din(lsu_axi_awready), .dout(lsu_axi_awready_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) lsu_axi_wvalid_ff (.din(lsu_axi_wvalid), .dout(lsu_axi_wvalid_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) lsu_axi_wready_ff (.din(lsu_axi_wready), .dout(lsu_axi_wready_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) lsu_axi_arvalid_ff (.din(lsu_axi_arvalid), .dout(lsu_axi_arvalid_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) lsu_axi_arready_ff (.din(lsu_axi_arready), .dout(lsu_axi_arready_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + + rvdff_fpga #(.WIDTH(1)) lsu_axi_bvalid_ff (.din(lsu_axi_bvalid), .dout(lsu_axi_bvalid_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) lsu_axi_bready_ff (.din(lsu_axi_bready), .dout(lsu_axi_bready_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(2)) lsu_axi_bresp_ff (.din(lsu_axi_bresp[1:0]), .dout(lsu_axi_bresp_q[1:0]), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(pt.LSU_BUS_TAG)) lsu_axi_bid_ff (.din(lsu_axi_bid[pt.LSU_BUS_TAG-1:0]),.dout(lsu_axi_bid_q[pt.LSU_BUS_TAG-1:0]),.clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdffe #(.WIDTH(64)) lsu_axi_rdata_ff (.din(lsu_axi_rdata[63:0]), .dout(lsu_axi_rdata_q[63:0]), .en((lsu_axi_rvalid | clk_override) & lsu_bus_clk_en), .*); + + rvdff_fpga #(.WIDTH(1)) lsu_axi_rvalid_ff (.din(lsu_axi_rvalid), .dout(lsu_axi_rvalid_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(1)) lsu_axi_rready_ff (.din(lsu_axi_rready), .dout(lsu_axi_rready_q), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(2)) lsu_axi_rresp_ff (.din(lsu_axi_rresp[1:0]), .dout(lsu_axi_rresp_q[1:0]), .clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + rvdff_fpga #(.WIDTH(pt.LSU_BUS_TAG)) lsu_axi_rid_ff (.din(lsu_axi_rid[pt.LSU_BUS_TAG-1:0]),.dout(lsu_axi_rid_q[pt.LSU_BUS_TAG-1:0]),.clk(lsu_busm_clk), .clken(lsu_busm_clken), .rawclk(clk), .*); + + rvdff #(.WIDTH(DEPTH_LOG2)) lsu_WrPtr0_rff (.din(WrPtr0_m), .dout(WrPtr0_r), .clk(lsu_c2_r_clk), .*); + rvdff #(.WIDTH(DEPTH_LOG2)) lsu_WrPtr1_rff (.din(WrPtr1_m), .dout(WrPtr1_r), .clk(lsu_c2_r_clk), .*); + + rvdff #(.WIDTH(1)) lsu_busreq_rff (.din(lsu_busreq_m & ~flush_r & ~ld_full_hit_m), .dout(lsu_busreq_r), .clk(lsu_c2_r_clk), .*); + rvdff #(.WIDTH(1)) lsu_nonblock_load_valid_rff (.din(lsu_nonblock_load_valid_m), .dout(lsu_nonblock_load_valid_r), .clk(lsu_c2_r_clk), .*); + + +endmodule // eb1_lsu_bus_buffer + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: lsu interface with interface queue +// Comments: +// +//******************************************************************************** +module eb1_lsu_bus_intf +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic clk_override, // Override non-functional clock gating + input logic rst_l, // reset, active low + input logic scan_mode, // scan mode + input logic dec_tlu_external_ldfwd_disable, // disable load to load forwarding for externals + input logic dec_tlu_wb_coalescing_disable, // disable write buffer coalescing + input logic dec_tlu_sideeffect_posted_disable, // disable the posted sideeffect load store to the bus + + // various clocks needed for the bus reads and writes + input logic lsu_bus_obuf_c1_clken, // obuf clock enable + input logic lsu_busm_clken, // bus clock enable + + input logic lsu_c1_r_clk, // r pipe single pulse clock + input logic lsu_c2_r_clk, // r pipe double pulse clock + input logic lsu_bus_ibuf_c1_clk, // ibuf single pulse clock + input logic lsu_bus_obuf_c1_clk, // obuf single pulse clock + input logic lsu_bus_buf_c1_clk, // buf single pulse clock + input logic lsu_free_c2_clk, // free clock double pulse clock + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + input logic lsu_busm_clk, // bus clock + + input logic dec_lsu_valid_raw_d, // Raw valid for address computation + input logic lsu_busreq_m, // bus request is in m + + input eb1_lsu_pkt_t lsu_pkt_m, // lsu packet flowing down the pipe + input eb1_lsu_pkt_t lsu_pkt_r, // lsu packet flowing down the pipe + + input logic [31:0] lsu_addr_m, // lsu address flowing down the pipe + input logic [31:0] lsu_addr_r, // lsu address flowing down the pipe + + input logic [31:0] end_addr_m, // lsu address flowing down the pipe + input logic [31:0] end_addr_r, // lsu address flowing down the pipe + + input logic [31:0] store_data_r, // store data flowing down the pipe + input logic dec_tlu_force_halt, + + input logic lsu_commit_r, // lsu instruction in r commits + input logic is_sideeffects_m, // lsu attribute is side_effects + input logic flush_m_up, // flush + input logic flush_r, // flush + input logic ldst_dual_d, ldst_dual_m, ldst_dual_r, + + output logic lsu_busreq_r, // bus request is in r + output logic lsu_bus_buffer_pend_any, // bus buffer has a pending bus entry + output logic lsu_bus_buffer_full_any, // write buffer is full + output logic lsu_bus_buffer_empty_any, // write buffer is empty + output logic [31:0] bus_read_data_m, // the bus return data + + + output logic lsu_imprecise_error_load_any, // imprecise load bus error + output logic lsu_imprecise_error_store_any, // imprecise store bus error + output logic [31:0] lsu_imprecise_error_addr_any, // address of the imprecise error + + // Non-blocking loads + output logic lsu_nonblock_load_valid_m, // there is an external load -> put in the cam + output logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_tag_m, // the tag of the external non block load + output logic lsu_nonblock_load_inv_r, // invalidate signal for the cam entry for non block loads + output logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_inv_tag_r, // tag of the enrty which needs to be invalidated + output logic lsu_nonblock_load_data_valid,// the non block is valid - sending information back to the cam + output logic lsu_nonblock_load_data_error,// non block load has an error + output logic [pt.LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_data_tag, // the tag of the non block load sending the data/error + output logic [31:0] lsu_nonblock_load_data, // Data of the non block load + + // PMU events + output logic lsu_pmu_bus_trxn, + output logic lsu_pmu_bus_misaligned, + output logic lsu_pmu_bus_error, + output logic lsu_pmu_bus_busy, + + // AXI Write Channels + output logic lsu_axi_awvalid, + input logic lsu_axi_awready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_awid, + output logic [31:0] lsu_axi_awaddr, + output logic [3:0] lsu_axi_awregion, + output logic [7:0] lsu_axi_awlen, + output logic [2:0] lsu_axi_awsize, + output logic [1:0] lsu_axi_awburst, + output logic lsu_axi_awlock, + output logic [3:0] lsu_axi_awcache, + output logic [2:0] lsu_axi_awprot, + output logic [3:0] lsu_axi_awqos, + + output logic lsu_axi_wvalid, + input logic lsu_axi_wready, + output logic [63:0] lsu_axi_wdata, + output logic [7:0] lsu_axi_wstrb, + output logic lsu_axi_wlast, + + input logic lsu_axi_bvalid, + output logic lsu_axi_bready, + input logic [1:0] lsu_axi_bresp, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_bid, + + // AXI Read Channels + output logic lsu_axi_arvalid, + input logic lsu_axi_arready, + output logic [pt.LSU_BUS_TAG-1:0] lsu_axi_arid, + output logic [31:0] lsu_axi_araddr, + output logic [3:0] lsu_axi_arregion, + output logic [7:0] lsu_axi_arlen, + output logic [2:0] lsu_axi_arsize, + output logic [1:0] lsu_axi_arburst, + output logic lsu_axi_arlock, + output logic [3:0] lsu_axi_arcache, + output logic [2:0] lsu_axi_arprot, + output logic [3:0] lsu_axi_arqos, + + input logic lsu_axi_rvalid, + output logic lsu_axi_rready, + input logic [pt.LSU_BUS_TAG-1:0] lsu_axi_rid, + input logic [63:0] lsu_axi_rdata, + input logic [1:0] lsu_axi_rresp, + + input logic lsu_bus_clk_en + +); + + + + logic lsu_bus_clk_en_q; + + logic [3:0] ldst_byteen_m, ldst_byteen_r; + logic [7:0] ldst_byteen_ext_m, ldst_byteen_ext_r; + logic [3:0] ldst_byteen_hi_m, ldst_byteen_hi_r; + logic [3:0] ldst_byteen_lo_m, ldst_byteen_lo_r; + logic is_sideeffects_r; + + logic [63:0] store_data_ext_r; + logic [31:0] store_data_hi_r; + logic [31:0] store_data_lo_r; + + logic addr_match_dw_lo_r_m; + logic addr_match_word_lo_r_m; + logic no_word_merge_r, no_dword_merge_r; + + logic ld_addr_rhit_lo_lo, ld_addr_rhit_hi_lo, ld_addr_rhit_lo_hi, ld_addr_rhit_hi_hi; + logic [3:0] ld_byte_rhit_lo_lo, ld_byte_rhit_hi_lo, ld_byte_rhit_lo_hi, ld_byte_rhit_hi_hi; + + logic [3:0] ld_byte_hit_lo, ld_byte_rhit_lo; + logic [3:0] ld_byte_hit_hi, ld_byte_rhit_hi; + + logic [31:0] ld_fwddata_rpipe_lo; + logic [31:0] ld_fwddata_rpipe_hi; + + logic [3:0] ld_byte_hit_buf_lo, ld_byte_hit_buf_hi; + logic [31:0] ld_fwddata_buf_lo, ld_fwddata_buf_hi; + + logic [63:0] ld_fwddata_lo, ld_fwddata_hi; + logic [63:0] ld_fwddata_m; + + logic ld_full_hit_hi_m, ld_full_hit_lo_m; + logic ld_full_hit_m; + + assign ldst_byteen_m[3:0] = ({4{lsu_pkt_m.by}} & 4'b0001) | + ({4{lsu_pkt_m.half}} & 4'b0011) | + ({4{lsu_pkt_m.word}} & 4'b1111); + + // Read/Write Buffer + eb1_lsu_bus_buffer #(.pt(pt)) bus_buffer ( + .* + ); + + // Logic to determine if dc5 store can be coalesced or not with younger stores. Bypass ibuf if cannot colaesced + assign addr_match_dw_lo_r_m = (lsu_addr_r[31:3] == lsu_addr_m[31:3]); + assign addr_match_word_lo_r_m = addr_match_dw_lo_r_m & ~(lsu_addr_r[2]^lsu_addr_m[2]); + + assign no_word_merge_r = lsu_busreq_r & ~ldst_dual_r & lsu_busreq_m & (lsu_pkt_m.load | ~addr_match_word_lo_r_m); + assign no_dword_merge_r = lsu_busreq_r & ~ldst_dual_r & lsu_busreq_m & (lsu_pkt_m.load | ~addr_match_dw_lo_r_m); + + // Create Hi/Lo signals + assign ldst_byteen_ext_m[7:0] = {4'b0,ldst_byteen_m[3:0]} << lsu_addr_m[1:0]; + assign ldst_byteen_ext_r[7:0] = {4'b0,ldst_byteen_r[3:0]} << lsu_addr_r[1:0]; + + assign store_data_ext_r[63:0] = {32'b0,store_data_r[31:0]} << {lsu_addr_r[1:0],3'b0}; + + assign ldst_byteen_hi_m[3:0] = ldst_byteen_ext_m[7:4]; + assign ldst_byteen_lo_m[3:0] = ldst_byteen_ext_m[3:0]; + assign ldst_byteen_hi_r[3:0] = ldst_byteen_ext_r[7:4]; + assign ldst_byteen_lo_r[3:0] = ldst_byteen_ext_r[3:0]; + + assign store_data_hi_r[31:0] = store_data_ext_r[63:32]; + assign store_data_lo_r[31:0] = store_data_ext_r[31:0]; + + assign ld_addr_rhit_lo_lo = (lsu_addr_m[31:2] == lsu_addr_r[31:2]) & lsu_pkt_r.valid & lsu_pkt_r.store & lsu_busreq_m; + assign ld_addr_rhit_lo_hi = (end_addr_m[31:2] == lsu_addr_r[31:2]) & lsu_pkt_r.valid & lsu_pkt_r.store & lsu_busreq_m; + assign ld_addr_rhit_hi_lo = (lsu_addr_m[31:2] == end_addr_r[31:2]) & lsu_pkt_r.valid & lsu_pkt_r.store & lsu_busreq_m; + assign ld_addr_rhit_hi_hi = (end_addr_m[31:2] == end_addr_r[31:2]) & lsu_pkt_r.valid & lsu_pkt_r.store & lsu_busreq_m; + + for (genvar i=0; i<4; i++) begin: GenBusBufFwd + assign ld_byte_rhit_lo_lo[i] = ld_addr_rhit_lo_lo & ldst_byteen_lo_r[i] & ldst_byteen_lo_m[i]; + assign ld_byte_rhit_lo_hi[i] = ld_addr_rhit_lo_hi & ldst_byteen_lo_r[i] & ldst_byteen_hi_m[i]; + assign ld_byte_rhit_hi_lo[i] = ld_addr_rhit_hi_lo & ldst_byteen_hi_r[i] & ldst_byteen_lo_m[i]; + assign ld_byte_rhit_hi_hi[i] = ld_addr_rhit_hi_hi & ldst_byteen_hi_r[i] & ldst_byteen_hi_m[i]; + + assign ld_byte_hit_lo[i] = ld_byte_rhit_lo_lo[i] | ld_byte_rhit_hi_lo[i] | + ld_byte_hit_buf_lo[i]; + + assign ld_byte_hit_hi[i] = ld_byte_rhit_lo_hi[i] | ld_byte_rhit_hi_hi[i] | + ld_byte_hit_buf_hi[i]; + + assign ld_byte_rhit_lo[i] = ld_byte_rhit_lo_lo[i] | ld_byte_rhit_hi_lo[i]; + assign ld_byte_rhit_hi[i] = ld_byte_rhit_lo_hi[i] | ld_byte_rhit_hi_hi[i]; + + assign ld_fwddata_rpipe_lo[(8*i)+7:(8*i)] = ({8{ld_byte_rhit_lo_lo[i]}} & store_data_lo_r[(8*i)+7:(8*i)]) | + ({8{ld_byte_rhit_hi_lo[i]}} & store_data_hi_r[(8*i)+7:(8*i)]); + + assign ld_fwddata_rpipe_hi[(8*i)+7:(8*i)] = ({8{ld_byte_rhit_lo_hi[i]}} & store_data_lo_r[(8*i)+7:(8*i)]) | + ({8{ld_byte_rhit_hi_hi[i]}} & store_data_hi_r[(8*i)+7:(8*i)]); + + // Final muxing between m/r + assign ld_fwddata_lo[(8*i)+7:(8*i)] = ld_byte_rhit_lo[i] ? ld_fwddata_rpipe_lo[(8*i)+7:(8*i)] : ld_fwddata_buf_lo[(8*i)+7:(8*i)]; + + assign ld_fwddata_hi[(8*i)+7:(8*i)] = ld_byte_rhit_hi[i] ? ld_fwddata_rpipe_hi[(8*i)+7:(8*i)] : ld_fwddata_buf_hi[(8*i)+7:(8*i)]; + + end + + always_comb begin + ld_full_hit_lo_m = 1'b1; + ld_full_hit_hi_m = 1'b1; + for (int i=0; i<4; i++) begin + ld_full_hit_lo_m &= (ld_byte_hit_lo[i] | ~ldst_byteen_lo_m[i]); + ld_full_hit_hi_m &= (ld_byte_hit_hi[i] | ~ldst_byteen_hi_m[i]); + end + end + + // This will be high if all the bytes of load hit the stores in pipe/write buffer (m/r/wrbuf) + assign ld_full_hit_m = ld_full_hit_lo_m & ld_full_hit_hi_m & lsu_busreq_m & lsu_pkt_m.load & ~is_sideeffects_m; + + assign ld_fwddata_m[63:0] = {ld_fwddata_hi[31:0], ld_fwddata_lo[31:0]} >> (8*lsu_addr_m[1:0]); + assign bus_read_data_m[31:0] = ld_fwddata_m[31:0]; + + // Fifo flops + + rvdff #(.WIDTH(1)) clken_ff (.din(lsu_bus_clk_en), .dout(lsu_bus_clk_en_q), .clk(active_clk), .*); + + rvdff #(.WIDTH(1)) is_sideeffects_rff (.din(is_sideeffects_m), .dout(is_sideeffects_r), .clk(lsu_c1_r_clk), .*); + + rvdff #(4) lsu_byten_rff (.*, .din(ldst_byteen_m[3:0]), .dout(ldst_byteen_r[3:0]), .clk(lsu_c1_r_clk)); + +endmodule // eb1_lsu_bus_intf + +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: Clock Generation Block +// Comments: All the clocks are generate here +// +// //******************************************************************************** + + +module eb1_lsu_clkdomain +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + input logic rst_l, // reset, active low + input logic dec_tlu_force_halt, // This will be high till TLU goes to debug halt + + // Inputs + input logic clk_override, // chciken bit to turn off clock gating + input logic dma_dccm_req, // dma is active + input logic ldst_stbuf_reqvld_r, // allocating in to the store queue + + input logic stbuf_reqvld_any, // stbuf is draining + input logic stbuf_reqvld_flushed_any, // instruction going to stbuf is flushed + input logic lsu_busreq_r, // busreq in r + input logic lsu_bus_buffer_pend_any, // bus buffer has a pending bus entry + input logic lsu_bus_buffer_empty_any, // external bus buffer is empty + input logic lsu_stbuf_empty_any, // stbuf is empty + + input logic lsu_bus_clk_en, // bus clock enable + + input eb1_lsu_pkt_t lsu_p, // lsu packet in decode + input eb1_lsu_pkt_t lsu_pkt_d, // lsu packet in d + input eb1_lsu_pkt_t lsu_pkt_m, // lsu packet in m + input eb1_lsu_pkt_t lsu_pkt_r, // lsu packet in r + + // Outputs + output logic lsu_bus_obuf_c1_clken, // obuf clock enable + output logic lsu_busm_clken, // bus clock enable + + output logic lsu_c1_m_clk, // m pipe single pulse clock + output logic lsu_c1_r_clk, // r pipe single pulse clock + + output logic lsu_c2_m_clk, // m pipe double pulse clock + output logic lsu_c2_r_clk, // r pipe double pulse clock + + output logic lsu_store_c1_m_clk, // store in m + output logic lsu_store_c1_r_clk, // store in r + + output logic lsu_stbuf_c1_clk, + output logic lsu_bus_obuf_c1_clk, // ibuf clock + output logic lsu_bus_ibuf_c1_clk, // ibuf clock + output logic lsu_bus_buf_c1_clk, // ibuf clock + output logic lsu_busm_clk, // bus clock + + output logic lsu_free_c2_clk, // free double pulse clock + + input logic scan_mode // Scan mode +); + + logic lsu_c1_m_clken, lsu_c1_r_clken; + logic lsu_c2_m_clken, lsu_c2_r_clken; + logic lsu_c1_m_clken_q, lsu_c1_r_clken_q; + logic lsu_store_c1_m_clken, lsu_store_c1_r_clken; + + + logic lsu_stbuf_c1_clken; + logic lsu_bus_ibuf_c1_clken, lsu_bus_buf_c1_clken; + + logic lsu_free_c1_clken, lsu_free_c1_clken_q, lsu_free_c2_clken; + + //------------------------------------------------------------------------------------------- + // Clock Enable logic + //------------------------------------------------------------------------------------------- + + assign lsu_c1_m_clken = lsu_p.valid | dma_dccm_req | clk_override; + assign lsu_c1_r_clken = lsu_pkt_m.valid | lsu_c1_m_clken_q | clk_override; + + assign lsu_c2_m_clken = lsu_c1_m_clken | lsu_c1_m_clken_q | clk_override; + assign lsu_c2_r_clken = lsu_c1_r_clken | lsu_c1_r_clken_q | clk_override; + + assign lsu_store_c1_m_clken = ((lsu_c1_m_clken & lsu_pkt_d.store) | clk_override) ; + assign lsu_store_c1_r_clken = ((lsu_c1_r_clken & lsu_pkt_m.store) | clk_override) ; + + assign lsu_stbuf_c1_clken = ldst_stbuf_reqvld_r | stbuf_reqvld_any | stbuf_reqvld_flushed_any | clk_override; + assign lsu_bus_ibuf_c1_clken = lsu_busreq_r | clk_override; + assign lsu_bus_obuf_c1_clken = (lsu_bus_buffer_pend_any | lsu_busreq_r | clk_override) & lsu_bus_clk_en; + assign lsu_bus_buf_c1_clken = ~lsu_bus_buffer_empty_any | lsu_busreq_r | dec_tlu_force_halt | clk_override; + + assign lsu_free_c1_clken = (lsu_p.valid | lsu_pkt_d.valid | lsu_pkt_m.valid | lsu_pkt_r.valid) | + ~lsu_bus_buffer_empty_any | ~lsu_stbuf_empty_any | clk_override; + assign lsu_free_c2_clken = lsu_free_c1_clken | lsu_free_c1_clken_q | clk_override; + + // Flops + rvdff #(1) lsu_free_c1_clkenff (.din(lsu_free_c1_clken), .dout(lsu_free_c1_clken_q), .clk(active_clk), .*); + + rvdff #(1) lsu_c1_m_clkenff (.din(lsu_c1_m_clken), .dout(lsu_c1_m_clken_q), .clk(lsu_free_c2_clk), .*); + rvdff #(1) lsu_c1_r_clkenff (.din(lsu_c1_r_clken), .dout(lsu_c1_r_clken_q), .clk(lsu_free_c2_clk), .*); + + // Clock Headers + rvoclkhdr lsu_c1m_cgc ( .en(lsu_c1_m_clken), .l1clk(lsu_c1_m_clk), .* ); + rvoclkhdr lsu_c1r_cgc ( .en(lsu_c1_r_clken), .l1clk(lsu_c1_r_clk), .* ); + + rvoclkhdr lsu_c2m_cgc ( .en(lsu_c2_m_clken), .l1clk(lsu_c2_m_clk), .* ); + rvoclkhdr lsu_c2r_cgc ( .en(lsu_c2_r_clken), .l1clk(lsu_c2_r_clk), .* ); + + rvoclkhdr lsu_store_c1m_cgc (.en(lsu_store_c1_m_clken), .l1clk(lsu_store_c1_m_clk), .*); + rvoclkhdr lsu_store_c1r_cgc (.en(lsu_store_c1_r_clken), .l1clk(lsu_store_c1_r_clk), .*); + + rvoclkhdr lsu_stbuf_c1_cgc ( .en(lsu_stbuf_c1_clken), .l1clk(lsu_stbuf_c1_clk), .* ); + rvoclkhdr lsu_bus_ibuf_c1_cgc ( .en(lsu_bus_ibuf_c1_clken), .l1clk(lsu_bus_ibuf_c1_clk), .* ); + rvoclkhdr lsu_bus_buf_c1_cgc ( .en(lsu_bus_buf_c1_clken), .l1clk(lsu_bus_buf_c1_clk), .* ); + + assign lsu_busm_clken = (~lsu_bus_buffer_empty_any | lsu_busreq_r | clk_override) & lsu_bus_clk_en; + + rvclkhdr lsu_bus_obuf_c1_cgc ( .en(lsu_bus_obuf_c1_clken), .l1clk(lsu_bus_obuf_c1_clk), .* ); + rvclkhdr lsu_busm_cgc (.en(lsu_busm_clken), .l1clk(lsu_busm_clk), .*); + + + rvoclkhdr lsu_free_cgc (.en(lsu_free_c2_clken), .l1clk(lsu_free_c2_clk), .*); + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: DCCM for LSU pipe +// Comments: Single ported memory +// +// +// DC1 -> DC2 -> DC3 -> DC4 (Commit) +// +// //******************************************************************************** + +module eb1_lsu_dccm_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) + ( + input logic lsu_c2_m_clk, // clocks + input logic lsu_c2_r_clk, // clocks + input logic lsu_c1_r_clk, // clocks + input logic lsu_store_c1_r_clk, // clocks + input logic lsu_free_c2_clk, // clocks + input logic clk_override, // Override non-functional clock gating + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + + input logic rst_l, // reset, active low + + input eb1_lsu_pkt_t lsu_pkt_r,// lsu packets + input eb1_lsu_pkt_t lsu_pkt_m,// lsu packets + input eb1_lsu_pkt_t lsu_pkt_d,// lsu packets + input logic addr_in_dccm_d, // address maps to dccm + input logic addr_in_pic_d, // address maps to pic + input logic addr_in_pic_m, // address maps to pic + input logic addr_in_dccm_m, addr_in_dccm_r, // address in dccm per pipe stage + input logic addr_in_pic_r, // address in pic per pipe stage + input logic lsu_raw_fwd_lo_r, lsu_raw_fwd_hi_r, + input logic lsu_commit_r, // lsu instruction in r commits + input logic ldst_dual_m, ldst_dual_r,// load/store is unaligned at 32 bit boundary per pipe stage + + // lsu address down the pipe + input logic [31:0] lsu_addr_d, + input logic [pt.DCCM_BITS-1:0] lsu_addr_m, + input logic [31:0] lsu_addr_r, + + // lsu address down the pipe - needed to check unaligned + input logic [pt.DCCM_BITS-1:0] end_addr_d, + input logic [pt.DCCM_BITS-1:0] end_addr_m, + input logic [pt.DCCM_BITS-1:0] end_addr_r, + + + input logic stbuf_reqvld_any, // write enable + input logic [pt.LSU_SB_BITS-1:0] stbuf_addr_any, // stbuf address (aligned) + + input logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_data_any, // the read out from stbuf + input logic [pt.DCCM_ECC_WIDTH-1:0] stbuf_ecc_any, // the encoded data with ECC bits + input logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_fwddata_hi_m, // stbuf fowarding to load + input logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_fwddata_lo_m, // stbuf fowarding to load + input logic [pt.DCCM_BYTE_WIDTH-1:0] stbuf_fwdbyteen_hi_m, // stbuf fowarding to load + input logic [pt.DCCM_BYTE_WIDTH-1:0] stbuf_fwdbyteen_lo_m, // stbuf fowarding to load + + output logic [pt.DCCM_DATA_WIDTH-1:0] dccm_rdata_hi_r, // data from the dccm + output logic [pt.DCCM_DATA_WIDTH-1:0] dccm_rdata_lo_r, // data from the dccm + output logic [pt.DCCM_ECC_WIDTH-1:0] dccm_data_ecc_hi_r, // data from the dccm + ecc + output logic [pt.DCCM_ECC_WIDTH-1:0] dccm_data_ecc_lo_r, + output logic [pt.DCCM_DATA_WIDTH-1:0] lsu_ld_data_r, // right justified, ie load byte will have data at 7:0 + output logic [pt.DCCM_DATA_WIDTH-1:0] lsu_ld_data_corr_r, // right justified & ECC corrected, ie load byte will have data at 7:0 + + input logic lsu_double_ecc_error_r, // lsu has a DED + input logic single_ecc_error_hi_r, // sec detected on hi dccm bank + input logic single_ecc_error_lo_r, // sec detected on lower dccm bank + input logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_hi_r, // corrected dccm data + input logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_lo_r, // corrected dccm data + input logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_hi_r_ff, // corrected dccm data + input logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_lo_r_ff, // corrected dccm data + input logic [pt.DCCM_ECC_WIDTH-1:0] sec_data_ecc_hi_r_ff, // the encoded data with ECC bits + input logic [pt.DCCM_ECC_WIDTH-1:0] sec_data_ecc_lo_r_ff, // the encoded data with ECC bits + + output logic [pt.DCCM_DATA_WIDTH-1:0] dccm_rdata_hi_m, // data from the dccm + output logic [pt.DCCM_DATA_WIDTH-1:0] dccm_rdata_lo_m, // data from the dccm + output logic [pt.DCCM_ECC_WIDTH-1:0] dccm_data_ecc_hi_m, // data from the dccm + ecc + output logic [pt.DCCM_ECC_WIDTH-1:0] dccm_data_ecc_lo_m, + output logic [pt.DCCM_DATA_WIDTH-1:0] lsu_ld_data_m, // right justified, ie load byte will have data at 7:0 + + input logic lsu_double_ecc_error_m, // lsu has a DED + input logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_hi_m, // corrected dccm data + input logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_lo_m, // corrected dccm data + + input logic [31:0] store_data_m, // Store data M-stage + input logic dma_dccm_wen, // Perform DMA writes only for word/dword + input logic dma_pic_wen, // Perform PIC writes + input logic [2:0] dma_mem_tag_m, // DMA Buffer entry number M-stage + input logic [31:0] dma_mem_addr, // DMA request address + input logic [63:0] dma_mem_wdata, // DMA write data + input logic [31:0] dma_dccm_wdata_lo, // Shift the dma data to lower bits to make it consistent to lsu stores + input logic [31:0] dma_dccm_wdata_hi, // Shift the dma data to lower bits to make it consistent to lsu stores + input logic [pt.DCCM_ECC_WIDTH-1:0] dma_dccm_wdata_ecc_hi, // ECC bits for the DMA wdata + input logic [pt.DCCM_ECC_WIDTH-1:0] dma_dccm_wdata_ecc_lo, // ECC bits for the DMA wdata + + output logic [pt.DCCM_DATA_WIDTH-1:0] store_data_hi_r, + output logic [pt.DCCM_DATA_WIDTH-1:0] store_data_lo_r, + output logic [pt.DCCM_DATA_WIDTH-1:0] store_datafn_hi_r, // data from the dccm + output logic [pt.DCCM_DATA_WIDTH-1:0] store_datafn_lo_r, // data from the dccm + output logic [31:0] store_data_r, // raw store data to be sent to bus + output logic ld_single_ecc_error_r, + output logic ld_single_ecc_error_r_ff, + + output logic [31:0] picm_mask_data_m, // pic data to stbuf + output logic lsu_stbuf_commit_any, // stbuf wins the dccm port or is to pic + output logic lsu_dccm_rden_m, // dccm read + output logic lsu_dccm_rden_r, // dccm read + + output logic dccm_dma_rvalid, // dccm serviving the dma load + output logic dccm_dma_ecc_error, // DMA load had ecc error + output logic [2:0] dccm_dma_rtag, // DMA return tag + output logic [63:0] dccm_dma_rdata, // dccm data to dma request + + // DCCM ports + output logic dccm_wren, // dccm interface -- write + output logic dccm_rden, // dccm interface -- write + output logic [pt.DCCM_BITS-1:0] dccm_wr_addr_lo, // dccm interface -- wr addr for lo bank + output logic [pt.DCCM_BITS-1:0] dccm_wr_addr_hi, // dccm interface -- wr addr for hi bank + output logic [pt.DCCM_BITS-1:0] dccm_rd_addr_lo, // dccm interface -- read address for lo bank + output logic [pt.DCCM_BITS-1:0] dccm_rd_addr_hi, // dccm interface -- read address for hi bank + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_lo, // dccm write data for lo bank + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_hi, // dccm write data for hi bank + + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_lo, // dccm read data back from the dccm + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_hi, // dccm read data back from the dccm + + // PIC ports + output logic picm_wren, // write to pic + output logic picm_rden, // read to pick + output logic picm_mken, // write to pic need a mask + output logic [31:0] picm_rdaddr, // address for pic read access + output logic [31:0] picm_wraddr, // address for pic write access + output logic [31:0] picm_wr_data, // write data + input logic [31:0] picm_rd_data, // read data + + input logic scan_mode // scan mode +); + + + localparam DCCM_WIDTH_BITS = $clog2(pt.DCCM_BYTE_WIDTH); + + logic lsu_dccm_rden_d, lsu_dccm_wren_d; + logic ld_single_ecc_error_lo_r, ld_single_ecc_error_hi_r; + logic ld_single_ecc_error_lo_r_ns, ld_single_ecc_error_hi_r_ns; + logic ld_single_ecc_error_lo_r_ff, ld_single_ecc_error_hi_r_ff; + logic lsu_double_ecc_error_r_ff; + logic [pt.DCCM_BITS-1:0] ld_sec_addr_lo_r_ff, ld_sec_addr_hi_r_ff; + logic [pt.DCCM_DATA_WIDTH-1:0] store_data_lo_r_in, store_data_hi_r_in ; + logic [63:0] picm_rd_data_m; + + logic dccm_wr_bypass_d_m_hi, dccm_wr_bypass_d_r_hi; + logic dccm_wr_bypass_d_m_lo, dccm_wr_bypass_d_r_lo; + logic kill_ecc_corr_lo_r, kill_ecc_corr_hi_r; + + // byte_en flowing down + logic [3:0] store_byteen_m ,store_byteen_r; + logic [7:0] store_byteen_ext_m, store_byteen_ext_r; + + if (pt.LOAD_TO_USE_PLUS1 == 1) begin: L2U_Plus1_1 + logic [63:0] lsu_rdata_r, lsu_rdata_corr_r; + logic [63:0] dccm_rdata_r, dccm_rdata_corr_r; + logic [63:0] stbuf_fwddata_r; + logic [7:0] stbuf_fwdbyteen_r; + logic [31:0] stbuf_fwddata_lo_r, stbuf_fwddata_hi_r; + logic [3:0] stbuf_fwdbyteen_lo_r, stbuf_fwdbyteen_hi_r; + logic [31:0] lsu_rdata_lo_r, lsu_rdata_hi_r; + logic [63:0] picm_rd_data_r; + logic [63:32] lsu_ld_data_r_nc, lsu_ld_data_corr_r_nc; + logic [2:0] dma_mem_tag_r; + logic stbuf_fwddata_en; + + assign dccm_dma_rvalid = lsu_pkt_r.valid & lsu_pkt_r.load & lsu_pkt_r.dma; + assign dccm_dma_ecc_error = lsu_double_ecc_error_r; + assign dccm_dma_rtag[2:0] = dma_mem_tag_r[2:0]; + assign dccm_dma_rdata[63:0] = ldst_dual_r ? lsu_rdata_corr_r[63:0] : {2{lsu_rdata_corr_r[31:0]}}; + assign {lsu_ld_data_r_nc[63:32], lsu_ld_data_r[31:0]} = lsu_rdata_r[63:0] >> 8*lsu_addr_r[1:0]; + assign {lsu_ld_data_corr_r_nc[63:32], lsu_ld_data_corr_r[31:0]} = lsu_rdata_corr_r[63:0] >> 8*lsu_addr_r[1:0]; + + assign picm_rd_data_r[63:32] = picm_rd_data_r[31:0]; + assign dccm_rdata_r[63:0] = {dccm_rdata_hi_r[31:0],dccm_rdata_lo_r[31:0]}; + assign dccm_rdata_corr_r[63:0] = {sec_data_hi_r[31:0],sec_data_lo_r[31:0]}; + assign stbuf_fwddata_r[63:0] = {stbuf_fwddata_hi_r[31:0], stbuf_fwddata_lo_r[31:0]}; + assign stbuf_fwdbyteen_r[7:0] = {stbuf_fwdbyteen_hi_r[3:0], stbuf_fwdbyteen_lo_r[3:0]}; + assign stbuf_fwddata_en = (|stbuf_fwdbyteen_hi_m[3:0]) | (|stbuf_fwdbyteen_lo_m[3:0]) | clk_override; + + for (genvar i=0; i<8; i++) begin: GenDMAData + assign lsu_rdata_corr_r[(8*i)+7:8*i] = stbuf_fwdbyteen_r[i] ? stbuf_fwddata_r[(8*i)+7:8*i] : + (addr_in_pic_r ? picm_rd_data_r[(8*i)+7:8*i] : ({8{addr_in_dccm_r}} & dccm_rdata_corr_r[(8*i)+7:8*i])); + + assign lsu_rdata_r[(8*i)+7:8*i] = stbuf_fwdbyteen_r[i] ? stbuf_fwddata_r[(8*i)+7:8*i] : + (addr_in_pic_r ? picm_rd_data_r[(8*i)+7:8*i] : ({8{addr_in_dccm_r}} & dccm_rdata_r[(8*i)+7:8*i])); + end + rvdffe #(pt.DCCM_DATA_WIDTH) dccm_rdata_hi_r_ff (.*, .din(dccm_rdata_hi_m[pt.DCCM_DATA_WIDTH-1:0]), .dout(dccm_rdata_hi_r[pt.DCCM_DATA_WIDTH-1:0]), .en((lsu_dccm_rden_m & ldst_dual_m) | clk_override)); + rvdffe #(pt.DCCM_DATA_WIDTH) dccm_rdata_lo_r_ff (.*, .din(dccm_rdata_lo_m[pt.DCCM_DATA_WIDTH-1:0]), .dout(dccm_rdata_lo_r[pt.DCCM_DATA_WIDTH-1:0]), .en(lsu_dccm_rden_m | clk_override)); + rvdffe #(2*pt.DCCM_ECC_WIDTH) dccm_data_ecc_r_ff (.*, .din({dccm_data_ecc_hi_m[pt.DCCM_ECC_WIDTH-1:0], dccm_data_ecc_lo_m[pt.DCCM_ECC_WIDTH-1:0]}), + .dout({dccm_data_ecc_hi_r[pt.DCCM_ECC_WIDTH-1:0], dccm_data_ecc_lo_r[pt.DCCM_ECC_WIDTH-1:0]}), .en(lsu_dccm_rden_m | clk_override)); + rvdff #(8) stbuf_fwdbyteen_ff (.*, .din({stbuf_fwdbyteen_hi_m[3:0], stbuf_fwdbyteen_lo_m[3:0]}), .dout({stbuf_fwdbyteen_hi_r[3:0], stbuf_fwdbyteen_lo_r[3:0]}), .clk(lsu_c2_r_clk)); + rvdffe #(64) stbuf_fwddata_ff (.*, .din({stbuf_fwddata_hi_m[31:0], stbuf_fwddata_lo_m[31:0]}), .dout({stbuf_fwddata_hi_r[31:0], stbuf_fwddata_lo_r[31:0]}), .en(stbuf_fwddata_en)); + rvdffe #(32) picm_rddata_rff (.*, .din(picm_rd_data_m[31:0]), .dout(picm_rd_data_r[31:0]), .en(addr_in_pic_m | clk_override)); + rvdff #(3) dma_mem_tag_rff (.*, .din(dma_mem_tag_m[2:0]), .dout(dma_mem_tag_r[2:0]), .clk(lsu_c1_r_clk)); + + end else begin: L2U_Plus1_0 + + logic [63:0] lsu_rdata_m, lsu_rdata_corr_m; + logic [63:0] dccm_rdata_m, dccm_rdata_corr_m; + logic [63:0] stbuf_fwddata_m; + logic [7:0] stbuf_fwdbyteen_m; + logic [63:32] lsu_ld_data_m_nc, lsu_ld_data_corr_m_nc; + logic [31:0] lsu_ld_data_corr_m; + + assign dccm_dma_rvalid = lsu_pkt_m.valid & lsu_pkt_m.load & lsu_pkt_m.dma; + assign dccm_dma_ecc_error = lsu_double_ecc_error_m; + assign dccm_dma_rtag[2:0] = dma_mem_tag_m[2:0]; + assign dccm_dma_rdata[63:0] = ldst_dual_m ? lsu_rdata_corr_m[63:0] : {2{lsu_rdata_corr_m[31:0]}}; + assign {lsu_ld_data_m_nc[63:32], lsu_ld_data_m[31:0]} = lsu_rdata_m[63:0] >> 8*lsu_addr_m[1:0]; + assign {lsu_ld_data_corr_m_nc[63:32], lsu_ld_data_corr_m[31:0]} = lsu_rdata_corr_m[63:0] >> 8*lsu_addr_m[1:0]; + + assign dccm_rdata_m[63:0] = {dccm_rdata_hi_m[31:0],dccm_rdata_lo_m[31:0]}; + assign dccm_rdata_corr_m[63:0] = {sec_data_hi_m[31:0],sec_data_lo_m[31:0]}; + assign stbuf_fwddata_m[63:0] = {stbuf_fwddata_hi_m[31:0], stbuf_fwddata_lo_m[31:0]}; + assign stbuf_fwdbyteen_m[7:0] = {stbuf_fwdbyteen_hi_m[3:0], stbuf_fwdbyteen_lo_m[3:0]}; + + for (genvar i=0; i<8; i++) begin: GenLoop + assign lsu_rdata_corr_m[(8*i)+7:8*i] = stbuf_fwdbyteen_m[i] ? stbuf_fwddata_m[(8*i)+7:8*i] : + (addr_in_pic_m ? picm_rd_data_m[(8*i)+7:8*i] : ({8{addr_in_dccm_m}} & dccm_rdata_corr_m[(8*i)+7:8*i])); + + assign lsu_rdata_m[(8*i)+7:8*i] = stbuf_fwdbyteen_m[i] ? stbuf_fwddata_m[(8*i)+7:8*i] : + (addr_in_pic_m ? picm_rd_data_m[(8*i)+7:8*i] : ({8{addr_in_dccm_m}} & dccm_rdata_m[(8*i)+7:8*i])); + end + + rvdffe #(32) lsu_ld_data_corr_rff(.*, .din(lsu_ld_data_corr_m[31:0]), .dout(lsu_ld_data_corr_r[31:0]), .en((lsu_pkt_m.valid & lsu_pkt_m.load & (addr_in_pic_m | addr_in_dccm_m)) | clk_override)); + end + + assign kill_ecc_corr_lo_r = (((lsu_addr_d[pt.DCCM_BITS-1:2] == lsu_addr_r[pt.DCCM_BITS-1:2]) | (end_addr_d[pt.DCCM_BITS-1:2] == lsu_addr_r[pt.DCCM_BITS-1:2])) & lsu_pkt_d.valid & lsu_pkt_d.store & lsu_pkt_d.dma & addr_in_dccm_d) | + (((lsu_addr_m[pt.DCCM_BITS-1:2] == lsu_addr_r[pt.DCCM_BITS-1:2]) | (end_addr_m[pt.DCCM_BITS-1:2] == lsu_addr_r[pt.DCCM_BITS-1:2])) & lsu_pkt_m.valid & lsu_pkt_m.store & lsu_pkt_m.dma & addr_in_dccm_m); + + assign kill_ecc_corr_hi_r = (((lsu_addr_d[pt.DCCM_BITS-1:2] == end_addr_r[pt.DCCM_BITS-1:2]) | (end_addr_d[pt.DCCM_BITS-1:2] == end_addr_r[pt.DCCM_BITS-1:2])) & lsu_pkt_d.valid & lsu_pkt_d.store & lsu_pkt_d.dma & addr_in_dccm_d) | + (((lsu_addr_m[pt.DCCM_BITS-1:2] == end_addr_r[pt.DCCM_BITS-1:2]) | (end_addr_m[pt.DCCM_BITS-1:2] == end_addr_r[pt.DCCM_BITS-1:2])) & lsu_pkt_m.valid & lsu_pkt_m.store & lsu_pkt_m.dma & addr_in_dccm_m); + + assign ld_single_ecc_error_lo_r = lsu_pkt_r.load & single_ecc_error_lo_r & ~lsu_raw_fwd_lo_r; + assign ld_single_ecc_error_hi_r = lsu_pkt_r.load & single_ecc_error_hi_r & ~lsu_raw_fwd_hi_r; + assign ld_single_ecc_error_r = (ld_single_ecc_error_lo_r | ld_single_ecc_error_hi_r) & ~lsu_double_ecc_error_r; + + assign ld_single_ecc_error_lo_r_ns = ld_single_ecc_error_lo_r & (lsu_commit_r | lsu_pkt_r.dma) & ~kill_ecc_corr_lo_r; + assign ld_single_ecc_error_hi_r_ns = ld_single_ecc_error_hi_r & (lsu_commit_r | lsu_pkt_r.dma) & ~kill_ecc_corr_hi_r; + assign ld_single_ecc_error_r_ff = (ld_single_ecc_error_lo_r_ff | ld_single_ecc_error_hi_r_ff) & ~lsu_double_ecc_error_r_ff; + + assign lsu_stbuf_commit_any = stbuf_reqvld_any & + (~(lsu_dccm_rden_d | lsu_dccm_wren_d | ld_single_ecc_error_r_ff) | + (lsu_dccm_rden_d & ~((stbuf_addr_any[pt.DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS] == lsu_addr_d[pt.DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS]) | + (stbuf_addr_any[pt.DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS] == end_addr_d[pt.DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS])))); + + // No need to read for aligned word/dword stores since ECC will come by new data completely + assign lsu_dccm_rden_d = lsu_pkt_d.valid & (lsu_pkt_d.load | (lsu_pkt_d.store & (~(lsu_pkt_d.word | lsu_pkt_d.dword) | (lsu_addr_d[1:0] != 2'b0)))) & addr_in_dccm_d; + + // DMA will read/write in decode stage + assign lsu_dccm_wren_d = dma_dccm_wen; + + // DCCM inputs + assign dccm_wren = lsu_dccm_wren_d | lsu_stbuf_commit_any | ld_single_ecc_error_r_ff; + assign dccm_rden = lsu_dccm_rden_d & addr_in_dccm_d; + assign dccm_wr_addr_lo[pt.DCCM_BITS-1:0] = ld_single_ecc_error_r_ff ? (ld_single_ecc_error_lo_r_ff ? ld_sec_addr_lo_r_ff[pt.DCCM_BITS-1:0] : ld_sec_addr_hi_r_ff[pt.DCCM_BITS-1:0]) : + lsu_dccm_wren_d ? lsu_addr_d[pt.DCCM_BITS-1:0] : stbuf_addr_any[pt.DCCM_BITS-1:0]; + assign dccm_wr_addr_hi[pt.DCCM_BITS-1:0] = ld_single_ecc_error_r_ff ? (ld_single_ecc_error_hi_r_ff ? ld_sec_addr_hi_r_ff[pt.DCCM_BITS-1:0] : ld_sec_addr_lo_r_ff[pt.DCCM_BITS-1:0]) : + lsu_dccm_wren_d ? end_addr_d[pt.DCCM_BITS-1:0] : stbuf_addr_any[pt.DCCM_BITS-1:0]; + assign dccm_rd_addr_lo[pt.DCCM_BITS-1:0] = lsu_addr_d[pt.DCCM_BITS-1:0]; + assign dccm_rd_addr_hi[pt.DCCM_BITS-1:0] = end_addr_d[pt.DCCM_BITS-1:0]; + assign dccm_wr_data_lo[pt.DCCM_FDATA_WIDTH-1:0] = ld_single_ecc_error_r_ff ? (ld_single_ecc_error_lo_r_ff ? {sec_data_ecc_lo_r_ff[pt.DCCM_ECC_WIDTH-1:0],sec_data_lo_r_ff[pt.DCCM_DATA_WIDTH-1:0]} : + {sec_data_ecc_hi_r_ff[pt.DCCM_ECC_WIDTH-1:0],sec_data_hi_r_ff[pt.DCCM_DATA_WIDTH-1:0]}) : + (dma_dccm_wen ? {dma_dccm_wdata_ecc_lo[pt.DCCM_ECC_WIDTH-1:0],dma_dccm_wdata_lo[pt.DCCM_DATA_WIDTH-1:0]} : + {stbuf_ecc_any[pt.DCCM_ECC_WIDTH-1:0],stbuf_data_any[pt.DCCM_DATA_WIDTH-1:0]}); + assign dccm_wr_data_hi[pt.DCCM_FDATA_WIDTH-1:0] = ld_single_ecc_error_r_ff ? (ld_single_ecc_error_hi_r_ff ? {sec_data_ecc_hi_r_ff[pt.DCCM_ECC_WIDTH-1:0],sec_data_hi_r_ff[pt.DCCM_DATA_WIDTH-1:0]} : + {sec_data_ecc_lo_r_ff[pt.DCCM_ECC_WIDTH-1:0],sec_data_lo_r_ff[pt.DCCM_DATA_WIDTH-1:0]}) : + (dma_dccm_wen ? {dma_dccm_wdata_ecc_hi[pt.DCCM_ECC_WIDTH-1:0],dma_dccm_wdata_hi[pt.DCCM_DATA_WIDTH-1:0]} : + {stbuf_ecc_any[pt.DCCM_ECC_WIDTH-1:0],stbuf_data_any[pt.DCCM_DATA_WIDTH-1:0]}); + + // DCCM outputs + assign store_byteen_m[3:0] = {4{lsu_pkt_m.store}} & + (({4{lsu_pkt_m.by}} & 4'b0001) | + ({4{lsu_pkt_m.half}} & 4'b0011) | + ({4{lsu_pkt_m.word}} & 4'b1111)); + + assign store_byteen_r[3:0] = {4{lsu_pkt_r.store}} & + (({4{lsu_pkt_r.by}} & 4'b0001) | + ({4{lsu_pkt_r.half}} & 4'b0011) | + ({4{lsu_pkt_r.word}} & 4'b1111)); + + assign store_byteen_ext_m[7:0] = {4'b0,store_byteen_m[3:0]} << lsu_addr_m[1:0]; // The packet in m + assign store_byteen_ext_r[7:0] = {4'b0,store_byteen_r[3:0]} << lsu_addr_r[1:0]; + + + + assign dccm_wr_bypass_d_m_lo = (stbuf_addr_any[pt.DCCM_BITS-1:2] == lsu_addr_m[pt.DCCM_BITS-1:2]) & addr_in_dccm_m; + assign dccm_wr_bypass_d_m_hi = (stbuf_addr_any[pt.DCCM_BITS-1:2] == end_addr_m[pt.DCCM_BITS-1:2]) & addr_in_dccm_m; + + assign dccm_wr_bypass_d_r_lo = (stbuf_addr_any[pt.DCCM_BITS-1:2] == lsu_addr_r[pt.DCCM_BITS-1:2]) & addr_in_dccm_r; + assign dccm_wr_bypass_d_r_hi = (stbuf_addr_any[pt.DCCM_BITS-1:2] == end_addr_r[pt.DCCM_BITS-1:2]) & addr_in_dccm_r; + + + if (pt.LOAD_TO_USE_PLUS1 == 1) begin: L2U1_Plus1_1 + logic dccm_wren_Q; + logic [31:0] dccm_wr_data_Q; + logic dccm_wr_bypass_d_m_lo_Q, dccm_wr_bypass_d_m_hi_Q; + logic [31:0] store_data_pre_hi_r, store_data_pre_lo_r; + + assign {store_data_pre_hi_r[31:0], store_data_pre_lo_r[31:0]} = {32'b0,store_data_r[31:0]} << 8*lsu_addr_r[1:0]; + + for (genvar i=0; i<4; i++) begin + assign store_data_lo_r[(8*i)+7:(8*i)] = store_byteen_ext_r[i] ? store_data_pre_lo_r[(8*i)+7:(8*i)] : ((dccm_wren_Q & dccm_wr_bypass_d_m_lo_Q) ? dccm_wr_data_Q[(8*i)+7:(8*i)] : sec_data_lo_r[(8*i)+7:(8*i)]); + assign store_data_hi_r[(8*i)+7:(8*i)] = store_byteen_ext_r[i+4] ? store_data_pre_hi_r[(8*i)+7:(8*i)] : ((dccm_wren_Q & dccm_wr_bypass_d_m_hi_Q) ? dccm_wr_data_Q[(8*i)+7:(8*i)] : sec_data_hi_r[(8*i)+7:(8*i)]); + + assign store_datafn_lo_r[(8*i)+7:(8*i)] = store_byteen_ext_r[i] ? store_data_pre_lo_r[(8*i)+7:(8*i)] : ((lsu_stbuf_commit_any & dccm_wr_bypass_d_r_lo) ? stbuf_data_any[(8*i)+7:(8*i)] : + ((dccm_wren_Q & dccm_wr_bypass_d_m_lo_Q) ? dccm_wr_data_Q[(8*i)+7:(8*i)] : sec_data_lo_r[(8*i)+7:(8*i)])); + assign store_datafn_hi_r[(8*i)+7:(8*i)] = store_byteen_ext_r[i+4] ? store_data_pre_hi_r[(8*i)+7:(8*i)] : ((lsu_stbuf_commit_any & dccm_wr_bypass_d_r_hi) ? stbuf_data_any[(8*i)+7:(8*i)] : + ((dccm_wren_Q & dccm_wr_bypass_d_m_hi_Q) ? dccm_wr_data_Q[(8*i)+7:(8*i)] : sec_data_hi_r[(8*i)+7:(8*i)])); + end + + rvdff #(1) dccm_wren_ff (.*, .din(lsu_stbuf_commit_any), .dout(dccm_wren_Q), .clk(lsu_free_c2_clk)); // ECC load errors writing to dccm shouldn't fwd to stores in pipe + rvdffe #(32) dccm_wrdata_ff (.*, .din(stbuf_data_any[31:0]), .dout(dccm_wr_data_Q[31:0]), .en(lsu_stbuf_commit_any | clk_override), .clk(clk)); + rvdff #(1) dccm_wrbyp_dm_loff (.*, .din(dccm_wr_bypass_d_m_lo), .dout(dccm_wr_bypass_d_m_lo_Q), .clk(lsu_free_c2_clk)); + rvdff #(1) dccm_wrbyp_dm_hiff (.*, .din(dccm_wr_bypass_d_m_hi), .dout(dccm_wr_bypass_d_m_hi_Q), .clk(lsu_free_c2_clk)); + rvdff #(32) store_data_rff (.*, .din(store_data_m[31:0]), .dout(store_data_r[31:0]), .clk(lsu_store_c1_r_clk)); + + end else begin: L2U1_Plus1_0 + + logic [31:0] store_data_hi_m, store_data_lo_m; + logic [63:0] store_data_mask; + assign {store_data_hi_m[31:0] , store_data_lo_m[31:0]} = {32'b0,store_data_m[31:0]} << 8*lsu_addr_m[1:0]; + + for (genvar i=0; i<4; i++) begin + assign store_data_hi_r_in[(8*i)+7:(8*i)] = store_byteen_ext_m[i+4] ? store_data_hi_m[(8*i)+7:(8*i)] : + ((lsu_stbuf_commit_any & dccm_wr_bypass_d_m_hi) ? stbuf_data_any[(8*i)+7:(8*i)] : sec_data_hi_m[(8*i)+7:(8*i)]); + assign store_data_lo_r_in[(8*i)+7:(8*i)] = store_byteen_ext_m[i] ? store_data_lo_m[(8*i)+7:(8*i)] : + ((lsu_stbuf_commit_any & dccm_wr_bypass_d_m_lo) ? stbuf_data_any[(8*i)+7:(8*i)] : sec_data_lo_m[(8*i)+7:(8*i)]); + + assign store_datafn_lo_r[(8*i)+7:(8*i)] = (lsu_stbuf_commit_any & dccm_wr_bypass_d_r_lo & ~store_byteen_ext_r[i]) ? stbuf_data_any[(8*i)+7:(8*i)] : store_data_lo_r[(8*i)+7:(8*i)]; + assign store_datafn_hi_r[(8*i)+7:(8*i)] = (lsu_stbuf_commit_any & dccm_wr_bypass_d_r_hi & ~store_byteen_ext_r[i+4]) ? stbuf_data_any[(8*i)+7:(8*i)] : store_data_hi_r[(8*i)+7:(8*i)]; + end // for (genvar i=0; i<BYTE_WIDTH; i++) + + for (genvar i=0; i<4; i++) begin + assign store_data_mask[(8*i)+7:(8*i)] = {8{store_byteen_r[i]}}; + end + assign store_data_r[31:0] = 32'({store_data_hi_r[31:0],store_data_lo_r[31:0]} >> 8*lsu_addr_r[1:0]) & store_data_mask[31:0]; + + rvdffe #(pt.DCCM_DATA_WIDTH) store_data_hi_rff (.*, .din(store_data_hi_r_in[pt.DCCM_DATA_WIDTH-1:0]), .dout(store_data_hi_r[pt.DCCM_DATA_WIDTH-1:0]), .en((ldst_dual_m & lsu_pkt_m.valid & lsu_pkt_m.store) | clk_override), .clk(clk)); + rvdff #(pt.DCCM_DATA_WIDTH) store_data_lo_rff (.*, .din(store_data_lo_r_in[pt.DCCM_DATA_WIDTH-1:0]), .dout(store_data_lo_r[pt.DCCM_DATA_WIDTH-1:0]), .clk(lsu_store_c1_r_clk)); + + end + + assign dccm_rdata_lo_m[pt.DCCM_DATA_WIDTH-1:0] = dccm_rd_data_lo[pt.DCCM_DATA_WIDTH-1:0]; // for ld choose dccm_out + assign dccm_rdata_hi_m[pt.DCCM_DATA_WIDTH-1:0] = dccm_rd_data_hi[pt.DCCM_DATA_WIDTH-1:0]; // for ld this is used for ecc + + assign dccm_data_ecc_lo_m[pt.DCCM_ECC_WIDTH-1:0] = dccm_rd_data_lo[pt.DCCM_FDATA_WIDTH-1:pt.DCCM_DATA_WIDTH]; + assign dccm_data_ecc_hi_m[pt.DCCM_ECC_WIDTH-1:0] = dccm_rd_data_hi[pt.DCCM_FDATA_WIDTH-1:pt.DCCM_DATA_WIDTH]; + + // PIC signals. PIC ignores the lower 2 bits of address since PIC memory registers are 32-bits + assign picm_wren = (lsu_pkt_r.valid & lsu_pkt_r.store & addr_in_pic_r & lsu_commit_r) | dma_pic_wen; + assign picm_rden = lsu_pkt_d.valid & lsu_pkt_d.load & addr_in_pic_d; + assign picm_mken = lsu_pkt_d.valid & lsu_pkt_d.store & addr_in_pic_d; // Get the mask for stores + assign picm_rdaddr[31:0] = pt.PIC_BASE_ADDR | {{32-pt.PIC_BITS{1'b0}},lsu_addr_d[pt.PIC_BITS-1:0]}; + + assign picm_wraddr[31:0] = pt.PIC_BASE_ADDR | {{32-pt.PIC_BITS{1'b0}},(dma_pic_wen ? dma_mem_addr[pt.PIC_BITS-1:0] : lsu_addr_r[pt.PIC_BITS-1:0])}; + + assign picm_wr_data[31:0] = dma_pic_wen ? dma_mem_wdata[31:0] : store_datafn_lo_r[31:0]; + + assign picm_mask_data_m[31:0] = picm_rd_data_m[31:0]; + assign picm_rd_data_m[63:0] = {picm_rd_data[31:0],picm_rd_data[31:0]}; + + if (pt.DCCM_ENABLE == 1) begin: Gen_dccm_enable + rvdff #(1) dccm_rden_mff (.*, .din(lsu_dccm_rden_d), .dout(lsu_dccm_rden_m), .clk(lsu_c2_m_clk)); + rvdff #(1) dccm_rden_rff (.*, .din(lsu_dccm_rden_m), .dout(lsu_dccm_rden_r), .clk(lsu_c2_r_clk)); + + // ECC correction flops since dccm write happens next cycle + // We are writing to dccm in r+1 for ecc correction since fast_int needs to be blocked in decode - 1. We can probably write in r for plus0 configuration since we know ecc error in M. + // In that case these (_ff) flops are needed only in plus1 configuration + rvdff #(1) ld_double_ecc_error_rff (.*, .din(lsu_double_ecc_error_r), .dout(lsu_double_ecc_error_r_ff), .clk(lsu_free_c2_clk)); + rvdff #(1) ld_single_ecc_error_hi_rff (.*, .din(ld_single_ecc_error_hi_r_ns), .dout(ld_single_ecc_error_hi_r_ff), .clk(lsu_free_c2_clk)); + rvdff #(1) ld_single_ecc_error_lo_rff (.*, .din(ld_single_ecc_error_lo_r_ns), .dout(ld_single_ecc_error_lo_r_ff), .clk(lsu_free_c2_clk)); + rvdffe #(pt.DCCM_BITS) ld_sec_addr_hi_rff (.*, .din(end_addr_r[pt.DCCM_BITS-1:0]), .dout(ld_sec_addr_hi_r_ff[pt.DCCM_BITS-1:0]), .en(ld_single_ecc_error_r | clk_override), .clk(clk)); + rvdffe #(pt.DCCM_BITS) ld_sec_addr_lo_rff (.*, .din(lsu_addr_r[pt.DCCM_BITS-1:0]), .dout(ld_sec_addr_lo_r_ff[pt.DCCM_BITS-1:0]), .en(ld_single_ecc_error_r | clk_override), .clk(clk)); + + end else begin: Gen_dccm_disable + assign lsu_dccm_rden_m = '0; + assign lsu_dccm_rden_r = '0; + + assign lsu_double_ecc_error_r_ff = 1'b0; + assign ld_single_ecc_error_hi_r_ff = 1'b0; + assign ld_single_ecc_error_lo_r_ff = 1'b0; + assign ld_sec_addr_hi_r_ff[pt.DCCM_BITS-1:0] = '0; + assign ld_sec_addr_lo_r_ff[pt.DCCM_BITS-1:0] = '0; + end + + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: DCCM for LSU pipe +// Comments: Single ported memory +// +// +// DC1 -> DC2 -> DC3 -> DC4 (Commit) +// +// //******************************************************************************** + + +`define eb1_LOCAL_DCCM_RAM_TEST_PORTS .TEST1(dccm_ext_in_pkt[i].TEST1), \ + .RME(dccm_ext_in_pkt[i].RME), \ + .RM(dccm_ext_in_pkt[i].RM), \ + .LS(dccm_ext_in_pkt[i].LS), \ + .DS(dccm_ext_in_pkt[i].DS), \ + .SD(dccm_ext_in_pkt[i].SD), \ + .TEST_RNM(dccm_ext_in_pkt[i].TEST_RNM), \ + .BC1(dccm_ext_in_pkt[i].BC1), \ + .BC2(dccm_ext_in_pkt[i].BC2), \ + + + +module eb1_lsu_dccm_mem +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( +`ifdef USE_POWER_PINS + input logic vccd1, + input logic vssd1, + `endif + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic active_clk, // Clock only while core active. Through two clock headers. For flops without second clock header built in. + input logic rst_l, // reset, active low + input logic clk_override, // Override non-functional clock gating + + input logic dccm_wren, // write enable + input logic dccm_rden, // read enable + input logic [pt.DCCM_BITS-1:0] dccm_wr_addr_lo, // write address + input logic [pt.DCCM_BITS-1:0] dccm_wr_addr_hi, // write address + input logic [pt.DCCM_BITS-1:0] dccm_rd_addr_lo, // read address + input logic [pt.DCCM_BITS-1:0] dccm_rd_addr_hi, // read address for the upper bank in case of a misaligned access + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_lo, // write data + input logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_wr_data_hi, // write data + input eb1_dccm_ext_in_pkt_t [pt.DCCM_NUM_BANKS-1:0] dccm_ext_in_pkt, // the dccm packet from the soc + + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_lo, // read data from the lo bank + output logic [pt.DCCM_FDATA_WIDTH-1:0] dccm_rd_data_hi, // read data from the hi bank + + input logic scan_mode +); + + + localparam DCCM_WIDTH_BITS = $clog2(pt.DCCM_BYTE_WIDTH); + localparam DCCM_INDEX_BITS = (pt.DCCM_BITS - pt.DCCM_BANK_BITS - pt.DCCM_WIDTH_BITS); + localparam DCCM_INDEX_DEPTH = ((pt.DCCM_SIZE)*1024)/((pt.DCCM_BYTE_WIDTH)*(pt.DCCM_NUM_BANKS)); // Depth of memory bank + + logic [pt.DCCM_NUM_BANKS-1:0] wren_bank; + logic [pt.DCCM_NUM_BANKS-1:0] rden_bank; + logic [pt.DCCM_NUM_BANKS-1:0] [pt.DCCM_BITS-1:(pt.DCCM_BANK_BITS+2)] addr_bank; + logic [pt.DCCM_BITS-1:(pt.DCCM_BANK_BITS+DCCM_WIDTH_BITS)] rd_addr_even, rd_addr_odd; + logic rd_unaligned, wr_unaligned; + logic [pt.DCCM_NUM_BANKS-1:0] [pt.DCCM_FDATA_WIDTH-1:0] dccm_bank_dout; + logic [pt.DCCM_FDATA_WIDTH-1:0] wrdata; + + logic [pt.DCCM_NUM_BANKS-1:0][pt.DCCM_FDATA_WIDTH-1:0] wr_data_bank; + + logic [(DCCM_WIDTH_BITS+pt.DCCM_BANK_BITS-1):DCCM_WIDTH_BITS] dccm_rd_addr_lo_q; + logic [(DCCM_WIDTH_BITS+pt.DCCM_BANK_BITS-1):DCCM_WIDTH_BITS] dccm_rd_addr_hi_q; + + logic [pt.DCCM_NUM_BANKS-1:0] dccm_clken; + + assign rd_unaligned = (dccm_rd_addr_lo[DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS] != dccm_rd_addr_hi[DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS]); + assign wr_unaligned = (dccm_wr_addr_lo[DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS] != dccm_wr_addr_hi[DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS]); + + // Align the read data + assign dccm_rd_data_lo[pt.DCCM_FDATA_WIDTH-1:0] = dccm_bank_dout[dccm_rd_addr_lo_q[pt.DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS]][pt.DCCM_FDATA_WIDTH-1:0]; + assign dccm_rd_data_hi[pt.DCCM_FDATA_WIDTH-1:0] = dccm_bank_dout[dccm_rd_addr_hi_q[DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS]][pt.DCCM_FDATA_WIDTH-1:0]; + + + // 8 Banks, 16KB each (2048 x 72) + for (genvar i=0; i<pt.DCCM_NUM_BANKS; i++) begin: mem_bank + assign wren_bank[i] = dccm_wren & ((dccm_wr_addr_hi[2+:pt.DCCM_BANK_BITS] == i) | (dccm_wr_addr_lo[2+:pt.DCCM_BANK_BITS] == i)); + assign rden_bank[i] = dccm_rden & ((dccm_rd_addr_hi[2+:pt.DCCM_BANK_BITS] == i) | (dccm_rd_addr_lo[2+:pt.DCCM_BANK_BITS] == i)); + assign addr_bank[i][(pt.DCCM_BANK_BITS+DCCM_WIDTH_BITS)+:DCCM_INDEX_BITS] = wren_bank[i] ? (((dccm_wr_addr_hi[2+:pt.DCCM_BANK_BITS] == i) & wr_unaligned) ? + dccm_wr_addr_hi[(pt.DCCM_BANK_BITS+DCCM_WIDTH_BITS)+:DCCM_INDEX_BITS] : + dccm_wr_addr_lo[(pt.DCCM_BANK_BITS+DCCM_WIDTH_BITS)+:DCCM_INDEX_BITS]) : + (((dccm_rd_addr_hi[2+:pt.DCCM_BANK_BITS] == i) & rd_unaligned) ? + dccm_rd_addr_hi[(pt.DCCM_BANK_BITS+DCCM_WIDTH_BITS)+:DCCM_INDEX_BITS] : + dccm_rd_addr_lo[(pt.DCCM_BANK_BITS+DCCM_WIDTH_BITS)+:DCCM_INDEX_BITS]); + + assign wr_data_bank[i] = ((dccm_wr_addr_hi[2+:pt.DCCM_BANK_BITS] == i) & wr_unaligned) ? dccm_wr_data_hi[pt.DCCM_FDATA_WIDTH-1:0] : dccm_wr_data_lo[pt.DCCM_FDATA_WIDTH-1:0]; + + // clock gating section + assign dccm_clken[i] = (wren_bank[i] | rden_bank[i] | clk_override) ; + // end clock gating section + + + + if (DCCM_INDEX_DEPTH == 32768) begin : dccm + ram_32768x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + ); + end + else if (DCCM_INDEX_DEPTH == 16384) begin : dccm + ram_16384x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + ); + end + else if (DCCM_INDEX_DEPTH == 8192) begin : dccm + ram_8192x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + ); + end + else if (DCCM_INDEX_DEPTH == 4096) begin : dccm + ram_4096x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + ); + end + else if (DCCM_INDEX_DEPTH == 3072) begin : dccm + ram_3072x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + ); + end + else if (DCCM_INDEX_DEPTH == 2048) begin : dccm + ram_2048x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + ); + end + else if (DCCM_INDEX_DEPTH == 1024) begin : dccm + /*ram_1024x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + ); + */ + sky130_sram_1kbyte_1rw1r_32x256_8 sram( + `ifdef USE_POWER_PINS + .vccd1(vccd1), + .vssd1(vssd1), + `endif + .clk0(clk), + .csb0(~dccm_clken[i]), + .web0(~wren_bank[i]), + .wmask0(4'hf), + .addr0(addr_bank[i]), + .din0(wr_data_bank[i]), + .dout0(dccm_bank_dout[i]), + .clk1(clk), + .csb1(1'b1), + .addr1(10'h000), + .dout1() + ); + end + else if (DCCM_INDEX_DEPTH == 512) begin : dccm + ram_512x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + ); + end + else if (DCCM_INDEX_DEPTH == 256) begin : dccm + /*ram_256x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + );*/ + sky130_sram_1kbyte_1rw1r_32x256_8 sram( + `ifdef USE_POWER_PINS + .vccd1(vccd1), + .vssd1(vssd1), + `endif + .clk0(clk), + .csb0(~dccm_clken[i]), + .web0(~wren_bank[i]), + .wmask0(4'hf), + .addr0(addr_bank[i]), + .din0(wr_data_bank[i][31:0]), + .dout0(dccm_bank_dout[i][31:0]), + .clk1(clk), + .csb1(1'b1), + .addr1(10'h000), + .dout1() + ); + end + else if (DCCM_INDEX_DEPTH == 128) begin : dccm + ram_128x39 dccm_bank ( + // Primary ports + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[i]), + .D(wr_data_bank[i][pt.DCCM_FDATA_WIDTH-1:0]), + .Q(dccm_bank_dout[i][pt.DCCM_FDATA_WIDTH-1:0]), + .ROP ( ), + // These are used by SoC + `eb1_LOCAL_DCCM_RAM_TEST_PORTS + .* + ); + end + + + end : mem_bank + + // Flops + rvdff #(pt.DCCM_BANK_BITS) rd_addr_lo_ff (.*, .din(dccm_rd_addr_lo[DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS]), .dout(dccm_rd_addr_lo_q[DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS]), .clk(active_clk)); + rvdff #(pt.DCCM_BANK_BITS) rd_addr_hi_ff (.*, .din(dccm_rd_addr_hi[DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS]), .dout(dccm_rd_addr_hi_q[DCCM_WIDTH_BITS+:pt.DCCM_BANK_BITS]), .clk(active_clk)); + +`undef eb1_LOCAL_DCCM_RAM_TEST_PORTS + +endmodule // eb1_lsu_dccm_mem + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: Top level file for load store unit +// Comments: +// +// +// DC1 -> DC2 -> DC3 -> DC4 (Commit) +// +//******************************************************************************** +module eb1_lsu_ecc +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) +( + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + input logic lsu_c2_r_clk, // clock + input logic clk_override, // Override non-functional clock gating + input logic rst_l, // reset, active low + input logic scan_mode, // scan mode + + input eb1_lsu_pkt_t lsu_pkt_m, // packet in m + input eb1_lsu_pkt_t lsu_pkt_r, // packet in r + input logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_data_any, + + input logic dec_tlu_core_ecc_disable, // disables the ecc computation and error flagging + + input logic lsu_dccm_rden_r, // dccm rden + input logic addr_in_dccm_r, // address in dccm + input logic [pt.DCCM_BITS-1:0] lsu_addr_r, // start address + input logic [pt.DCCM_BITS-1:0] end_addr_r, // end address + input logic [pt.DCCM_DATA_WIDTH-1:0] dccm_rdata_hi_r, // data from the dccm + input logic [pt.DCCM_DATA_WIDTH-1:0] dccm_rdata_lo_r, // data from the dccm + input logic [pt.DCCM_ECC_WIDTH-1:0] dccm_data_ecc_hi_r, // data from the dccm + ecc + input logic [pt.DCCM_ECC_WIDTH-1:0] dccm_data_ecc_lo_r, // data from the dccm + ecc + output logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_hi_r, // corrected dccm data R-stage + output logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_lo_r, // corrected dccm data R-stage + output logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_hi_r_ff, // corrected dccm data R+1 stage + output logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_lo_r_ff, // corrected dccm data R+1 stage + + input logic ld_single_ecc_error_r, // ld has a single ecc error + input logic ld_single_ecc_error_r_ff, // ld has a single ecc error + input logic lsu_dccm_rden_m, // dccm rden + input logic addr_in_dccm_m, // address in dccm + input logic [pt.DCCM_BITS-1:0] lsu_addr_m, // start address + input logic [pt.DCCM_BITS-1:0] end_addr_m, // end address + input logic [pt.DCCM_DATA_WIDTH-1:0] dccm_rdata_hi_m, // raw data from mem + input logic [pt.DCCM_DATA_WIDTH-1:0] dccm_rdata_lo_m, // raw data from mem + input logic [pt.DCCM_ECC_WIDTH-1:0] dccm_data_ecc_hi_m, // ecc read out from mem + input logic [pt.DCCM_ECC_WIDTH-1:0] dccm_data_ecc_lo_m, // ecc read out from mem + output logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_hi_m, // corrected dccm data M-stage + output logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_lo_m, // corrected dccm data M-stage + + input logic dma_dccm_wen, // Perform DMA writes only for word/dword + input logic [31:0] dma_dccm_wdata_lo, // Shifted dma data to lower bits to make it consistent to lsu stores + input logic [31:0] dma_dccm_wdata_hi, // Shifted dma data to lower bits to make it consistent to lsu stores + output logic [pt.DCCM_ECC_WIDTH-1:0] dma_dccm_wdata_ecc_hi, // ECC bits for the DMA wdata + output logic [pt.DCCM_ECC_WIDTH-1:0] dma_dccm_wdata_ecc_lo, // ECC bits for the DMA wdata + + output logic [pt.DCCM_ECC_WIDTH-1:0] stbuf_ecc_any, // Encoded data with ECC bits + output logic [pt.DCCM_ECC_WIDTH-1:0] sec_data_ecc_hi_r_ff, // Encoded data with ECC bits + output logic [pt.DCCM_ECC_WIDTH-1:0] sec_data_ecc_lo_r_ff, // Encoded data with ECC bits + + output logic single_ecc_error_hi_r, // sec detected + output logic single_ecc_error_lo_r, // sec detected on lower dccm bank + output logic lsu_single_ecc_error_r, // or of the 2 + output logic lsu_double_ecc_error_r, // double error detected + + output logic lsu_single_ecc_error_m, // or of the 2 + output logic lsu_double_ecc_error_m // double error detected + + ); + + logic is_ldst_r; + logic is_ldst_hi_any, is_ldst_lo_any; + logic [pt.DCCM_DATA_WIDTH-1:0] dccm_wdata_hi_any, dccm_wdata_lo_any; + logic [pt.DCCM_ECC_WIDTH-1:0] dccm_wdata_ecc_hi_any, dccm_wdata_ecc_lo_any; + logic [pt.DCCM_DATA_WIDTH-1:0] dccm_rdata_hi_any, dccm_rdata_lo_any; + logic [pt.DCCM_ECC_WIDTH-1:0] dccm_data_ecc_hi_any, dccm_data_ecc_lo_any; + logic [pt.DCCM_DATA_WIDTH-1:0] sec_data_hi_any, sec_data_lo_any; + logic single_ecc_error_hi_any, single_ecc_error_lo_any; + logic double_ecc_error_hi_any, double_ecc_error_lo_any; + + logic double_ecc_error_hi_m, double_ecc_error_lo_m; + logic double_ecc_error_hi_r, double_ecc_error_lo_r; + + logic [6:0] ecc_out_hi_nc, ecc_out_lo_nc; + + + if (pt.LOAD_TO_USE_PLUS1 == 1) begin: L2U_Plus1_1 + logic ldst_dual_m, ldst_dual_r; + logic is_ldst_m; + logic is_ldst_hi_r, is_ldst_lo_r; + + assign ldst_dual_r = (lsu_addr_r[2] != end_addr_r[2]); + assign is_ldst_r = lsu_pkt_r.valid & (lsu_pkt_r.load | lsu_pkt_r.store) & addr_in_dccm_r & lsu_dccm_rden_r; + assign is_ldst_lo_r = is_ldst_r & ~dec_tlu_core_ecc_disable; + assign is_ldst_hi_r = is_ldst_r & ldst_dual_r & ~dec_tlu_core_ecc_disable; // Always check the ECC Hi/Lo for DMA since we don't align for DMA + + assign is_ldst_hi_any = is_ldst_hi_r; + assign dccm_rdata_hi_any[pt.DCCM_DATA_WIDTH-1:0] = dccm_rdata_hi_r[pt.DCCM_DATA_WIDTH-1:0]; + assign dccm_data_ecc_hi_any[pt.DCCM_ECC_WIDTH-1:0] = dccm_data_ecc_hi_r[pt.DCCM_ECC_WIDTH-1:0]; + assign is_ldst_lo_any = is_ldst_lo_r; + assign dccm_rdata_lo_any[pt.DCCM_DATA_WIDTH-1:0] = dccm_rdata_lo_r[pt.DCCM_DATA_WIDTH-1:0]; + assign dccm_data_ecc_lo_any[pt.DCCM_ECC_WIDTH-1:0] = dccm_data_ecc_lo_r[pt.DCCM_ECC_WIDTH-1:0]; + + assign sec_data_hi_r[pt.DCCM_DATA_WIDTH-1:0] = sec_data_hi_any[pt.DCCM_DATA_WIDTH-1:0]; + assign single_ecc_error_hi_r = single_ecc_error_hi_any; + assign double_ecc_error_hi_r = double_ecc_error_hi_any; + assign sec_data_lo_r[pt.DCCM_DATA_WIDTH-1:0] = sec_data_lo_any[pt.DCCM_DATA_WIDTH-1:0]; + assign single_ecc_error_lo_r = single_ecc_error_lo_any; + assign double_ecc_error_lo_r = double_ecc_error_lo_any; + + assign lsu_single_ecc_error_r = single_ecc_error_hi_r | single_ecc_error_lo_r; + assign lsu_double_ecc_error_r = double_ecc_error_hi_r | double_ecc_error_lo_r; + + end else begin: L2U_Plus1_0 + + logic ldst_dual_m; + logic is_ldst_m; + logic is_ldst_hi_m, is_ldst_lo_m; + + assign ldst_dual_m = (lsu_addr_m[2] != end_addr_m[2]); + assign is_ldst_m = lsu_pkt_m.valid & (lsu_pkt_m.load | lsu_pkt_m.store) & addr_in_dccm_m & lsu_dccm_rden_m; + assign is_ldst_lo_m = is_ldst_m & ~dec_tlu_core_ecc_disable; + assign is_ldst_hi_m = is_ldst_m & (ldst_dual_m | lsu_pkt_m.dma) & ~dec_tlu_core_ecc_disable; // Always check the ECC Hi/Lo for DMA since we don't align for DMA + + assign is_ldst_hi_any = is_ldst_hi_m; + assign dccm_rdata_hi_any[pt.DCCM_DATA_WIDTH-1:0] = dccm_rdata_hi_m[pt.DCCM_DATA_WIDTH-1:0]; + assign dccm_data_ecc_hi_any[pt.DCCM_ECC_WIDTH-1:0] = dccm_data_ecc_hi_m[pt.DCCM_ECC_WIDTH-1:0]; + assign is_ldst_lo_any = is_ldst_lo_m; + assign dccm_rdata_lo_any[pt.DCCM_DATA_WIDTH-1:0] = dccm_rdata_lo_m[pt.DCCM_DATA_WIDTH-1:0]; + assign dccm_data_ecc_lo_any[pt.DCCM_ECC_WIDTH-1:0] = dccm_data_ecc_lo_m[pt.DCCM_ECC_WIDTH-1:0]; + + assign sec_data_hi_m[pt.DCCM_DATA_WIDTH-1:0] = sec_data_hi_any[pt.DCCM_DATA_WIDTH-1:0]; + assign double_ecc_error_hi_m = double_ecc_error_hi_any; + assign sec_data_lo_m[pt.DCCM_DATA_WIDTH-1:0] = sec_data_lo_any[pt.DCCM_DATA_WIDTH-1:0]; + assign double_ecc_error_lo_m = double_ecc_error_lo_any; + + assign lsu_single_ecc_error_m = single_ecc_error_hi_any | single_ecc_error_lo_any; + assign lsu_double_ecc_error_m = double_ecc_error_hi_m | double_ecc_error_lo_m; + + // Flops + rvdff #(1) lsu_single_ecc_err_r (.din(lsu_single_ecc_error_m), .dout(lsu_single_ecc_error_r), .clk(lsu_c2_r_clk), .*); + rvdff #(1) lsu_double_ecc_err_r (.din(lsu_double_ecc_error_m), .dout(lsu_double_ecc_error_r), .clk(lsu_c2_r_clk), .*); + rvdff #(.WIDTH(1)) ldst_sec_lo_rff (.din(single_ecc_error_lo_any), .dout(single_ecc_error_lo_r), .clk(lsu_c2_r_clk), .*); + rvdff #(.WIDTH(1)) ldst_sec_hi_rff (.din(single_ecc_error_hi_any), .dout(single_ecc_error_hi_r), .clk(lsu_c2_r_clk), .*); + rvdffe #(.WIDTH(pt.DCCM_DATA_WIDTH)) sec_data_hi_rff (.din(sec_data_hi_m[pt.DCCM_DATA_WIDTH-1:0]), .dout(sec_data_hi_r[pt.DCCM_DATA_WIDTH-1:0]), .en(lsu_single_ecc_error_m | clk_override), .*); + rvdffe #(.WIDTH(pt.DCCM_DATA_WIDTH)) sec_data_lo_rff (.din(sec_data_lo_m[pt.DCCM_DATA_WIDTH-1:0]), .dout(sec_data_lo_r[pt.DCCM_DATA_WIDTH-1:0]), .en(lsu_single_ecc_error_m | clk_override), .*); + + end + + // Logic for ECC generation during write + assign dccm_wdata_lo_any[pt.DCCM_DATA_WIDTH-1:0] = ld_single_ecc_error_r_ff ? sec_data_lo_r_ff[pt.DCCM_DATA_WIDTH-1:0] : (dma_dccm_wen ? dma_dccm_wdata_lo[pt.DCCM_DATA_WIDTH-1:0] : stbuf_data_any[pt.DCCM_DATA_WIDTH-1:0]); + assign dccm_wdata_hi_any[pt.DCCM_DATA_WIDTH-1:0] = ld_single_ecc_error_r_ff ? sec_data_hi_r_ff[pt.DCCM_DATA_WIDTH-1:0] : (dma_dccm_wen ? dma_dccm_wdata_hi[pt.DCCM_DATA_WIDTH-1:0] : 32'h0); + + assign sec_data_ecc_hi_r_ff[pt.DCCM_ECC_WIDTH-1:0] = dccm_wdata_ecc_hi_any[pt.DCCM_ECC_WIDTH-1:0]; + assign sec_data_ecc_lo_r_ff[pt.DCCM_ECC_WIDTH-1:0] = dccm_wdata_ecc_lo_any[pt.DCCM_ECC_WIDTH-1:0]; + assign stbuf_ecc_any[pt.DCCM_ECC_WIDTH-1:0] = dccm_wdata_ecc_lo_any[pt.DCCM_ECC_WIDTH-1:0]; + assign dma_dccm_wdata_ecc_hi[pt.DCCM_ECC_WIDTH-1:0] = dccm_wdata_ecc_hi_any[pt.DCCM_ECC_WIDTH-1:0]; + assign dma_dccm_wdata_ecc_lo[pt.DCCM_ECC_WIDTH-1:0] = dccm_wdata_ecc_lo_any[pt.DCCM_ECC_WIDTH-1:0]; + + // Instantiate ECC blocks + if (pt.DCCM_ENABLE == 1) begin: Gen_dccm_enable + + //Detect/Repair for Hi + rvecc_decode lsu_ecc_decode_hi ( + // Inputs + .en(is_ldst_hi_any), + .sed_ded (1'b0), // 1 : means only detection + .din(dccm_rdata_hi_any[pt.DCCM_DATA_WIDTH-1:0]), + .ecc_in(dccm_data_ecc_hi_any[pt.DCCM_ECC_WIDTH-1:0]), + // Outputs + .dout(sec_data_hi_any[pt.DCCM_DATA_WIDTH-1:0]), + .ecc_out (ecc_out_hi_nc[6:0]), + .single_ecc_error(single_ecc_error_hi_any), + .double_ecc_error(double_ecc_error_hi_any), + .* + ); + + //Detect/Repair for Lo + rvecc_decode lsu_ecc_decode_lo ( + // Inputs + .en(is_ldst_lo_any), + .sed_ded (1'b0), // 1 : means only detection + .din(dccm_rdata_lo_any[pt.DCCM_DATA_WIDTH-1:0] ), + .ecc_in(dccm_data_ecc_lo_any[pt.DCCM_ECC_WIDTH-1:0]), + // Outputs + .dout(sec_data_lo_any[pt.DCCM_DATA_WIDTH-1:0]), + .ecc_out (ecc_out_lo_nc[6:0]), + .single_ecc_error(single_ecc_error_lo_any), + .double_ecc_error(double_ecc_error_lo_any), + .* + ); + + rvecc_encode lsu_ecc_encode_hi ( + //Inputs + .din(dccm_wdata_hi_any[pt.DCCM_DATA_WIDTH-1:0]), + //Outputs + .ecc_out(dccm_wdata_ecc_hi_any[pt.DCCM_ECC_WIDTH-1:0]), + .* + ); + rvecc_encode lsu_ecc_encode_lo ( + //Inputs + .din(dccm_wdata_lo_any[pt.DCCM_DATA_WIDTH-1:0]), + //Outputs + .ecc_out(dccm_wdata_ecc_lo_any[pt.DCCM_ECC_WIDTH-1:0]), + .* + ); + end else begin: Gen_dccm_disable // block: Gen_dccm_enable + assign sec_data_hi_any[pt.DCCM_DATA_WIDTH-1:0] = '0; + assign sec_data_lo_any[pt.DCCM_DATA_WIDTH-1:0] = '0; + assign single_ecc_error_hi_any = '0; + assign double_ecc_error_hi_any = '0; + assign single_ecc_error_lo_any = '0; + assign double_ecc_error_lo_any = '0; + end + + rvdffe #(.WIDTH(pt.DCCM_DATA_WIDTH)) sec_data_hi_rplus1ff (.din(sec_data_hi_r[pt.DCCM_DATA_WIDTH-1:0]), .dout(sec_data_hi_r_ff[pt.DCCM_DATA_WIDTH-1:0]), .en(ld_single_ecc_error_r | clk_override), .clk(clk), .*); + rvdffe #(.WIDTH(pt.DCCM_DATA_WIDTH)) sec_data_lo_rplus1ff (.din(sec_data_lo_r[pt.DCCM_DATA_WIDTH-1:0]), .dout(sec_data_lo_r_ff[pt.DCCM_DATA_WIDTH-1:0]), .en(ld_single_ecc_error_r | clk_override), .clk(clk), .*); + + +endmodule // eb1_lsu_ecc + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: LSU control +// Comments: +// +// +// DC1 -> DC2 -> DC3 -> DC4 (Commit) +// +//******************************************************************************** +module eb1_lsu_lsc_ctl +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input logic rst_l, // reset, active low + input logic clk_override, // Override non-functional clock gating + input logic clk, // Clock only while core active. Through one clock header. For flops with second clock header built in. Connected to ACTIVE_L2CLK. + + // clocks per pipe + input logic lsu_c1_m_clk, + input logic lsu_c1_r_clk, + input logic lsu_c2_m_clk, + input logic lsu_c2_r_clk, + input logic lsu_store_c1_m_clk, + + input logic [31:0] lsu_ld_data_r, // Load data R-stage + input logic [31:0] lsu_ld_data_corr_r, // ECC corrected data R-stage + input logic lsu_single_ecc_error_r, // ECC single bit error R-stage + input logic lsu_double_ecc_error_r, // ECC double bit error R-stage + + input logic [31:0] lsu_ld_data_m, // Load data M-stage + input logic lsu_single_ecc_error_m, // ECC single bit error M-stage + input logic lsu_double_ecc_error_m, // ECC double bit error M-stage + + input logic flush_m_up, // Flush M and D stage + input logic flush_r, // Flush R-stage + input logic ldst_dual_d, // load/store is unaligned at 32 bit boundary D-stage + input logic ldst_dual_m, // load/store is unaligned at 32 bit boundary M-stage + input logic ldst_dual_r, // load/store is unaligned at 32 bit boundary R-stage + + input logic [31:0] exu_lsu_rs1_d, // address + input logic [31:0] exu_lsu_rs2_d, // store data + + input eb1_lsu_pkt_t lsu_p, // lsu control packet + input logic dec_lsu_valid_raw_d, // Raw valid for address computation + input logic [11:0] dec_lsu_offset_d, // 12b offset for load/store addresses + + input logic [31:0] picm_mask_data_m, // PIC data M-stage + input logic [31:0] bus_read_data_m, // the bus return data + output logic [31:0] lsu_result_m, // lsu load data + output logic [31:0] lsu_result_corr_r, // This is the ECC corrected data going to RF + // lsu address down the pipe + output logic [31:0] lsu_addr_d, + output logic [31:0] lsu_addr_m, + output logic [31:0] lsu_addr_r, + // lsu address down the pipe - needed to check unaligned + output logic [31:0] end_addr_d, + output logic [31:0] end_addr_m, + output logic [31:0] end_addr_r, + // store data down the pipe + output logic [31:0] store_data_m, + + input logic [31:0] dec_tlu_mrac_ff, // CSR for memory region control + output logic lsu_exc_m, // Access or misaligned fault + output logic is_sideeffects_m, // is sideffects space + output logic lsu_commit_r, // lsu instruction in r commits + output logic lsu_single_ecc_error_incr,// LSU inc SB error counter + output eb1_lsu_error_pkt_t lsu_error_pkt_r, // lsu exception packet + + output logic [31:1] lsu_fir_addr, // fast interrupt address + output logic [1:0] lsu_fir_error, // Error during fast interrupt lookup + + // address in dccm/pic/external per pipe stage + output logic addr_in_dccm_d, + output logic addr_in_dccm_m, + output logic addr_in_dccm_r, + + output logic addr_in_pic_d, + output logic addr_in_pic_m, + output logic addr_in_pic_r, + + output logic addr_external_m, + + // DMA slave + input logic dma_dccm_req, + input logic [31:0] dma_mem_addr, + input logic [2:0] dma_mem_sz, + input logic dma_mem_write, + input logic [63:0] dma_mem_wdata, + + // Store buffer related signals + output eb1_lsu_pkt_t lsu_pkt_d, + output eb1_lsu_pkt_t lsu_pkt_m, + output eb1_lsu_pkt_t lsu_pkt_r, + + input logic scan_mode // Scan mode + + ); + + logic [31:3] end_addr_pre_m, end_addr_pre_r; + logic [31:0] full_addr_d; + logic [31:0] full_end_addr_d; + logic [31:0] lsu_rs1_d; + logic [11:0] lsu_offset_d; + logic [31:0] rs1_d; + logic [11:0] offset_d; + logic [12:0] end_addr_offset_d; + logic [2:0] addr_offset_d; + + logic [63:0] dma_mem_wdata_shifted; + logic addr_external_d; + logic addr_external_r; + logic access_fault_d, misaligned_fault_d; + logic access_fault_m, misaligned_fault_m; + + logic fir_dccm_access_error_d, fir_nondccm_access_error_d; + logic fir_dccm_access_error_m, fir_nondccm_access_error_m; + + logic [3:0] exc_mscause_d, exc_mscause_m; + logic [31:0] rs1_d_raw; + logic [31:0] store_data_d, store_data_pre_m, store_data_m_in; + logic [31:0] bus_read_data_r; + + eb1_lsu_pkt_t dma_pkt_d; + eb1_lsu_pkt_t lsu_pkt_m_in, lsu_pkt_r_in; + eb1_lsu_error_pkt_t lsu_error_pkt_m; + + + // Premux the rs1/offset for dma + assign lsu_rs1_d[31:0] = dec_lsu_valid_raw_d ? exu_lsu_rs1_d[31:0] : dma_mem_addr[31:0]; + assign lsu_offset_d[11:0] = dec_lsu_offset_d[11:0] & {12{dec_lsu_valid_raw_d}}; + assign rs1_d_raw[31:0] = lsu_rs1_d[31:0]; + assign offset_d[11:0] = lsu_offset_d[11:0]; + + assign rs1_d[31:0] = (lsu_pkt_d.load_ldst_bypass_d) ? lsu_result_m[31:0] : rs1_d_raw[31:0]; + + // generate the ls address + rvlsadder lsadder (.rs1(rs1_d[31:0]), + .offset(offset_d[11:0]), + .dout(full_addr_d[31:0]) + ); + + // Module to generate the memory map of the address + eb1_lsu_addrcheck #(.pt(pt)) addrcheck ( + .start_addr_d(full_addr_d[31:0]), + .end_addr_d(full_end_addr_d[31:0]), + .rs1_region_d(rs1_d[31:28]), + .* + ); + + // Calculate start/end address for load/store + assign addr_offset_d[2:0] = ({3{lsu_pkt_d.half}} & 3'b01) | ({3{lsu_pkt_d.word}} & 3'b11) | ({3{lsu_pkt_d.dword}} & 3'b111); + assign end_addr_offset_d[12:0] = {offset_d[11],offset_d[11:0]} + {9'b0,addr_offset_d[2:0]}; + assign full_end_addr_d[31:0] = rs1_d[31:0] + {{19{end_addr_offset_d[12]}},end_addr_offset_d[12:0]}; + assign end_addr_d[31:0] = full_end_addr_d[31:0]; + assign lsu_exc_m = access_fault_m | misaligned_fault_m; + + // Goes to TLU to increment the ECC error counter + assign lsu_single_ecc_error_incr = (lsu_single_ecc_error_r & ~lsu_double_ecc_error_r) & (lsu_commit_r | lsu_pkt_r.dma) & lsu_pkt_r.valid; + + if (pt.LOAD_TO_USE_PLUS1 == 1) begin: L2U_Plus1_1 + logic access_fault_r, misaligned_fault_r; + logic [3:0] exc_mscause_r; + logic fir_dccm_access_error_r, fir_nondccm_access_error_r; + + // Generate exception packet + assign lsu_error_pkt_r.exc_valid = (access_fault_r | misaligned_fault_r | lsu_double_ecc_error_r) & lsu_pkt_r.valid & ~lsu_pkt_r.dma & ~lsu_pkt_r.fast_int; + assign lsu_error_pkt_r.single_ecc_error = lsu_single_ecc_error_r & ~lsu_error_pkt_r.exc_valid & ~lsu_pkt_r.dma; + assign lsu_error_pkt_r.inst_type = lsu_pkt_r.store; + assign lsu_error_pkt_r.exc_type = ~misaligned_fault_r; + assign lsu_error_pkt_r.mscause[3:0] = (lsu_double_ecc_error_r & ~misaligned_fault_r & ~access_fault_r) ? 4'h1 : exc_mscause_r[3:0]; + assign lsu_error_pkt_r.addr[31:0] = lsu_addr_r[31:0]; + + assign lsu_fir_error[1:0] = fir_nondccm_access_error_r ? 2'b11 : (fir_dccm_access_error_r ? 2'b10 : ((lsu_pkt_r.fast_int & lsu_double_ecc_error_r) ? 2'b01 : 2'b00)); + + rvdff #(1) access_fault_rff (.din(access_fault_m), .dout(access_fault_r), .clk(lsu_c1_r_clk), .*); + rvdff #(1) misaligned_fault_rff (.din(misaligned_fault_m), .dout(misaligned_fault_r), .clk(lsu_c1_r_clk), .*); + rvdff #(4) exc_mscause_rff (.din(exc_mscause_m[3:0]), .dout(exc_mscause_r[3:0]), .clk(lsu_c1_r_clk), .*); + rvdff #(1) fir_dccm_access_error_mff (.din(fir_dccm_access_error_m), .dout(fir_dccm_access_error_r), .clk(lsu_c1_r_clk), .*); + rvdff #(1) fir_nondccm_access_error_mff (.din(fir_nondccm_access_error_m), .dout(fir_nondccm_access_error_r), .clk(lsu_c1_r_clk), .*); + + end else begin: L2U_Plus1_0 + logic [1:0] lsu_fir_error_m; + + // Generate exception packet + assign lsu_error_pkt_m.exc_valid = (access_fault_m | misaligned_fault_m | lsu_double_ecc_error_m) & lsu_pkt_m.valid & ~lsu_pkt_m.dma & ~lsu_pkt_m.fast_int & ~flush_m_up; + assign lsu_error_pkt_m.single_ecc_error = lsu_single_ecc_error_m & ~lsu_error_pkt_m.exc_valid & ~lsu_pkt_m.dma; + assign lsu_error_pkt_m.inst_type = lsu_pkt_m.store; + assign lsu_error_pkt_m.exc_type = ~misaligned_fault_m; + assign lsu_error_pkt_m.mscause[3:0] = (lsu_double_ecc_error_m & ~misaligned_fault_m & ~access_fault_m) ? 4'h1 : exc_mscause_m[3:0]; + assign lsu_error_pkt_m.addr[31:0] = lsu_addr_m[31:0]; + + assign lsu_fir_error_m[1:0] = fir_nondccm_access_error_m ? 2'b11 : (fir_dccm_access_error_m ? 2'b10 : ((lsu_pkt_m.fast_int & lsu_double_ecc_error_m) ? 2'b01 : 2'b00)); + + rvdff #(1) lsu_exc_valid_rff (.*, .din(lsu_error_pkt_m.exc_valid), .dout(lsu_error_pkt_r.exc_valid), .clk(lsu_c2_r_clk)); + rvdff #(1) lsu_single_ecc_error_rff(.*, .din(lsu_error_pkt_m.single_ecc_error), .dout(lsu_error_pkt_r.single_ecc_error), .clk(lsu_c2_r_clk)); + rvdffe #($bits(eb1_lsu_error_pkt_t)-2) lsu_error_pkt_rff (.*, .din(lsu_error_pkt_m[$bits(eb1_lsu_error_pkt_t)-1:2]), .dout(lsu_error_pkt_r[$bits(eb1_lsu_error_pkt_t)-1:2]), .en(lsu_error_pkt_m.exc_valid | lsu_error_pkt_m.single_ecc_error | clk_override)); + rvdff #(2) lsu_fir_error_rff (.*, .din(lsu_fir_error_m[1:0]), .dout(lsu_fir_error[1:0]), .clk(lsu_c2_r_clk)); + end + + //Create DMA packet + always_comb begin + dma_pkt_d = '0; + dma_pkt_d.valid = dma_dccm_req; + dma_pkt_d.dma = 1'b1; + dma_pkt_d.store = dma_mem_write; + dma_pkt_d.load = ~dma_mem_write; + dma_pkt_d.by = (dma_mem_sz[2:0] == 3'b0); + dma_pkt_d.half = (dma_mem_sz[2:0] == 3'b1); + dma_pkt_d.word = (dma_mem_sz[2:0] == 3'b10); + dma_pkt_d.dword = (dma_mem_sz[2:0] == 3'b11); + end + + always_comb begin + lsu_pkt_d = dec_lsu_valid_raw_d ? lsu_p : dma_pkt_d; + lsu_pkt_m_in = lsu_pkt_d; + lsu_pkt_r_in = lsu_pkt_m; + + lsu_pkt_d.valid = (lsu_p.valid & ~(flush_m_up & ~lsu_p.fast_int)) | dma_dccm_req; + lsu_pkt_m_in.valid = lsu_pkt_d.valid & ~(flush_m_up & ~lsu_pkt_d.dma); + lsu_pkt_r_in.valid = lsu_pkt_m.valid & ~(flush_m_up & ~lsu_pkt_m.dma) ; + end + + // C2 clock for valid and C1 for other bits of packet + rvdff #(1) lsu_pkt_vldmff (.*, .din(lsu_pkt_m_in.valid), .dout(lsu_pkt_m.valid), .clk(lsu_c2_m_clk)); + rvdff #(1) lsu_pkt_vldrff (.*, .din(lsu_pkt_r_in.valid), .dout(lsu_pkt_r.valid), .clk(lsu_c2_r_clk)); + + rvdff #($bits(eb1_lsu_pkt_t)-1) lsu_pkt_mff (.*, .din(lsu_pkt_m_in[$bits(eb1_lsu_pkt_t)-1:1]), .dout(lsu_pkt_m[$bits(eb1_lsu_pkt_t)-1:1]), .clk(lsu_c1_m_clk)); + rvdff #($bits(eb1_lsu_pkt_t)-1) lsu_pkt_rff (.*, .din(lsu_pkt_r_in[$bits(eb1_lsu_pkt_t)-1:1]), .dout(lsu_pkt_r[$bits(eb1_lsu_pkt_t)-1:1]), .clk(lsu_c1_r_clk)); + + + + if (pt.LOAD_TO_USE_PLUS1 == 1) begin: L2U1_Plus1_1 + logic [31:0] lsu_ld_datafn_r, lsu_ld_datafn_corr_r; + + assign lsu_ld_datafn_r[31:0] = addr_external_r ? bus_read_data_r[31:0] : lsu_ld_data_r[31:0]; + assign lsu_ld_datafn_corr_r[31:0] = addr_external_r ? bus_read_data_r[31:0] : lsu_ld_data_corr_r[31:0]; + + // this is really R stage signal + assign lsu_result_m[31:0] = ({32{ lsu_pkt_r.unsign & lsu_pkt_r.by }} & {24'b0,lsu_ld_datafn_r[7:0]}) | + ({32{ lsu_pkt_r.unsign & lsu_pkt_r.half}} & {16'b0,lsu_ld_datafn_r[15:0]}) | + ({32{~lsu_pkt_r.unsign & lsu_pkt_r.by }} & {{24{ lsu_ld_datafn_r[7]}}, lsu_ld_datafn_r[7:0]}) | + ({32{~lsu_pkt_r.unsign & lsu_pkt_r.half}} & {{16{ lsu_ld_datafn_r[15]}},lsu_ld_datafn_r[15:0]}) | + ({32{lsu_pkt_r.word}} & lsu_ld_datafn_r[31:0]); + + // this signal is used for gpr update + assign lsu_result_corr_r[31:0] = ({32{ lsu_pkt_r.unsign & lsu_pkt_r.by }} & {24'b0,lsu_ld_datafn_corr_r[7:0]}) | + ({32{ lsu_pkt_r.unsign & lsu_pkt_r.half}} & {16'b0,lsu_ld_datafn_corr_r[15:0]}) | + ({32{~lsu_pkt_r.unsign & lsu_pkt_r.by }} & {{24{ lsu_ld_datafn_corr_r[7]}}, lsu_ld_datafn_corr_r[7:0]}) | + ({32{~lsu_pkt_r.unsign & lsu_pkt_r.half}} & {{16{ lsu_ld_datafn_corr_r[15]}},lsu_ld_datafn_corr_r[15:0]}) | + ({32{lsu_pkt_r.word}} & lsu_ld_datafn_corr_r[31:0]); + + end else begin: L2U1_Plus1_0 // block: L2U1_Plus1_1 + logic [31:0] lsu_ld_datafn_m, lsu_ld_datafn_corr_r; + + assign lsu_ld_datafn_m[31:0] = addr_external_m ? bus_read_data_m[31:0] : lsu_ld_data_m[31:0]; + assign lsu_ld_datafn_corr_r[31:0] = addr_external_r ? bus_read_data_r[31:0] : lsu_ld_data_corr_r[31:0]; + + // this result must look at prior stores and merge them in + assign lsu_result_m[31:0] = ({32{ lsu_pkt_m.unsign & lsu_pkt_m.by }} & {24'b0,lsu_ld_datafn_m[7:0]}) | + ({32{ lsu_pkt_m.unsign & lsu_pkt_m.half}} & {16'b0,lsu_ld_datafn_m[15:0]}) | + ({32{~lsu_pkt_m.unsign & lsu_pkt_m.by }} & {{24{ lsu_ld_datafn_m[7]}}, lsu_ld_datafn_m[7:0]}) | + ({32{~lsu_pkt_m.unsign & lsu_pkt_m.half}} & {{16{ lsu_ld_datafn_m[15]}},lsu_ld_datafn_m[15:0]}) | + ({32{lsu_pkt_m.word}} & lsu_ld_datafn_m[31:0]); + + // this signal is used for gpr update + assign lsu_result_corr_r[31:0] = ({32{ lsu_pkt_r.unsign & lsu_pkt_r.by }} & {24'b0,lsu_ld_datafn_corr_r[7:0]}) | + ({32{ lsu_pkt_r.unsign & lsu_pkt_r.half}} & {16'b0,lsu_ld_datafn_corr_r[15:0]}) | + ({32{~lsu_pkt_r.unsign & lsu_pkt_r.by }} & {{24{ lsu_ld_datafn_corr_r[7]}}, lsu_ld_datafn_corr_r[7:0]}) | + ({32{~lsu_pkt_r.unsign & lsu_pkt_r.half}} & {{16{ lsu_ld_datafn_corr_r[15]}},lsu_ld_datafn_corr_r[15:0]}) | + ({32{lsu_pkt_r.word}} & lsu_ld_datafn_corr_r[31:0]); + end + + // Fast interrupt address + assign lsu_fir_addr[31:1] = lsu_ld_data_corr_r[31:1]; + + // absence load/store all 0's + assign lsu_addr_d[31:0] = full_addr_d[31:0]; + + // Interrupt as a flush source allows the WB to occur + assign lsu_commit_r = lsu_pkt_r.valid & (lsu_pkt_r.store | lsu_pkt_r.load) & ~flush_r & ~lsu_pkt_r.dma; + + assign dma_mem_wdata_shifted[63:0] = dma_mem_wdata[63:0] >> {dma_mem_addr[2:0], 3'b000}; // Shift the dma data to lower bits to make it consistent to lsu stores + assign store_data_d[31:0] = dma_dccm_req ? dma_mem_wdata_shifted[31:0] : exu_lsu_rs2_d[31:0]; // Write to PIC still happens in r stage + + assign store_data_m_in[31:0] = (lsu_pkt_d.store_data_bypass_d) ? lsu_result_m[31:0] : store_data_d[31:0]; + + assign store_data_m[31:0] = (picm_mask_data_m[31:0] | {32{~addr_in_pic_m}}) & ((lsu_pkt_m.store_data_bypass_m) ? lsu_result_m[31:0] : store_data_pre_m[31:0]); + + + rvdff #(32) sdmff (.*, .din(store_data_m_in[31:0]), .dout(store_data_pre_m[31:0]), .clk(lsu_store_c1_m_clk)); + + rvdff #(32) samff (.*, .din(lsu_addr_d[31:0]), .dout(lsu_addr_m[31:0]), .clk(lsu_c1_m_clk)); + rvdff #(32) sarff (.*, .din(lsu_addr_m[31:0]), .dout(lsu_addr_r[31:0]), .clk(lsu_c1_r_clk)); + + assign end_addr_m[31:3] = ldst_dual_m ? end_addr_pre_m[31:3] : lsu_addr_m[31:3]; // This is for power saving + assign end_addr_r[31:3] = ldst_dual_r ? end_addr_pre_r[31:3] : lsu_addr_r[31:3]; // This is for power saving + + rvdffe #(29) end_addr_hi_mff (.*, .din(end_addr_d[31:3]), .dout(end_addr_pre_m[31:3]), .en((lsu_pkt_d.valid & ldst_dual_d) | clk_override)); + rvdffe #(29) end_addr_hi_rff (.*, .din(end_addr_m[31:3]), .dout(end_addr_pre_r[31:3]), .en((lsu_pkt_m.valid & ldst_dual_m) | clk_override)); + + rvdff #(3) end_addr_lo_mff (.*, .din(end_addr_d[2:0]), .dout(end_addr_m[2:0]), .clk(lsu_c1_m_clk)); + rvdff #(3) end_addr_lo_rff (.*, .din(end_addr_m[2:0]), .dout(end_addr_r[2:0]), .clk(lsu_c1_r_clk)); + + rvdff #(1) addr_in_dccm_mff(.din(addr_in_dccm_d), .dout(addr_in_dccm_m), .clk(lsu_c1_m_clk), .*); + rvdff #(1) addr_in_dccm_rff(.din(addr_in_dccm_m), .dout(addr_in_dccm_r), .clk(lsu_c1_r_clk), .*); + + rvdff #(1) addr_in_pic_mff(.din(addr_in_pic_d), .dout(addr_in_pic_m), .clk(lsu_c1_m_clk), .*); + rvdff #(1) addr_in_pic_rff(.din(addr_in_pic_m), .dout(addr_in_pic_r), .clk(lsu_c1_r_clk), .*); + + rvdff #(1) addr_external_mff(.din(addr_external_d), .dout(addr_external_m), .clk(lsu_c1_m_clk), .*); + rvdff #(1) addr_external_rff(.din(addr_external_m), .dout(addr_external_r), .clk(lsu_c1_r_clk), .*); + + rvdff #(1) access_fault_mff (.din(access_fault_d), .dout(access_fault_m), .clk(lsu_c1_m_clk), .*); + rvdff #(1) misaligned_fault_mff (.din(misaligned_fault_d), .dout(misaligned_fault_m), .clk(lsu_c1_m_clk), .*); + rvdff #(4) exc_mscause_mff (.din(exc_mscause_d[3:0]), .dout(exc_mscause_m[3:0]), .clk(lsu_c1_m_clk), .*); + + rvdff #(1) fir_dccm_access_error_mff (.din(fir_dccm_access_error_d), .dout(fir_dccm_access_error_m), .clk(lsu_c1_m_clk), .*); + rvdff #(1) fir_nondccm_access_error_mff (.din(fir_nondccm_access_error_d), .dout(fir_nondccm_access_error_m), .clk(lsu_c1_m_clk), .*); + + rvdffe #(32) bus_read_data_r_ff (.*, .din(bus_read_data_m[31:0]), .dout(bus_read_data_r[31:0]), .en(addr_external_m | clk_override)); + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: Store Buffer +// Comments: Dual writes and single drain +// +// +// DC1 -> DC2 -> DC3 -> DC4 (Commit) +// +// //******************************************************************************** + + +module eb1_lsu_stbuf +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) +( + input logic clk, // core clock + input logic rst_l, // reset + + input logic lsu_stbuf_c1_clk, // stbuf clock + input logic lsu_free_c2_clk, // free clk + + // Store Buffer input + input logic store_stbuf_reqvld_r, // core instruction goes to stbuf + input logic lsu_commit_r, // lsu commits + input logic dec_lsu_valid_raw_d, // Speculative decode valid + input logic [pt.DCCM_DATA_WIDTH-1:0] store_data_hi_r, // merged data from the dccm for stores. This is used for fwding + input logic [pt.DCCM_DATA_WIDTH-1:0] store_data_lo_r, // merged data from the dccm for stores. This is used for fwding + input logic [pt.DCCM_DATA_WIDTH-1:0] store_datafn_hi_r, // merged data from the dccm for stores + input logic [pt.DCCM_DATA_WIDTH-1:0] store_datafn_lo_r, // merged data from the dccm for stores + + // Store Buffer output + output logic stbuf_reqvld_any, // stbuf is draining + output logic stbuf_reqvld_flushed_any, // Top entry is flushed + output logic [pt.LSU_SB_BITS-1:0] stbuf_addr_any, // address + output logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_data_any, // stbuf data + + input logic lsu_stbuf_commit_any, // pop the stbuf as it commite + output logic lsu_stbuf_full_any, // stbuf is full + output logic lsu_stbuf_empty_any, // stbuf is empty + output logic ldst_stbuf_reqvld_r, // needed for clocking + + input logic [pt.LSU_SB_BITS-1:0] lsu_addr_d, // lsu address D-stage + input logic [31:0] lsu_addr_m, // lsu address M-stage + input logic [31:0] lsu_addr_r, // lsu address R-stage + + input logic [pt.LSU_SB_BITS-1:0] end_addr_d, // lsu end address D-stage - needed to check unaligned + input logic [31:0] end_addr_m, // lsu end address M-stage - needed to check unaligned + input logic [31:0] end_addr_r, // lsu end address R-stage - needed to check unaligned + + input logic ldst_dual_d, ldst_dual_m, ldst_dual_r, + input logic addr_in_dccm_m, // address is in dccm + input logic addr_in_dccm_r, // address is in dccm + + // Forwarding signals + input logic lsu_cmpen_m, // needed for forwarding stbuf - load + input eb1_lsu_pkt_t lsu_pkt_m, // LSU packet M-stage + input eb1_lsu_pkt_t lsu_pkt_r, // LSU packet R-stage + + output logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_fwddata_hi_m, // stbuf data + output logic [pt.DCCM_DATA_WIDTH-1:0] stbuf_fwddata_lo_m, // stbuf data + output logic [pt.DCCM_BYTE_WIDTH-1:0] stbuf_fwdbyteen_hi_m, // stbuf data + output logic [pt.DCCM_BYTE_WIDTH-1:0] stbuf_fwdbyteen_lo_m, // stbuf data + + input logic scan_mode // Scan mode + +); + + + localparam DEPTH = pt.LSU_STBUF_DEPTH; + localparam DATA_WIDTH = pt.DCCM_DATA_WIDTH; + localparam BYTE_WIDTH = pt.DCCM_BYTE_WIDTH; + localparam DEPTH_LOG2 = $clog2(DEPTH); + + // These are the fields in the store queue + logic [DEPTH-1:0] stbuf_vld; + logic [DEPTH-1:0] stbuf_dma_kill; + logic [DEPTH-1:0][pt.LSU_SB_BITS-1:0] stbuf_addr; + logic [DEPTH-1:0][BYTE_WIDTH-1:0] stbuf_byteen; + logic [DEPTH-1:0][DATA_WIDTH-1:0] stbuf_data; + + logic [DEPTH-1:0] sel_lo; + logic [DEPTH-1:0] stbuf_wr_en; + logic [DEPTH-1:0] stbuf_dma_kill_en; + logic [DEPTH-1:0] stbuf_reset; + logic [DEPTH-1:0][pt.LSU_SB_BITS-1:0] stbuf_addrin; + logic [DEPTH-1:0][DATA_WIDTH-1:0] stbuf_datain; + logic [DEPTH-1:0][BYTE_WIDTH-1:0] stbuf_byteenin; + + logic [7:0] store_byteen_ext_r; + logic [BYTE_WIDTH-1:0] store_byteen_hi_r; + logic [BYTE_WIDTH-1:0] store_byteen_lo_r; + + logic WrPtrEn, RdPtrEn; + logic [DEPTH_LOG2-1:0] WrPtr, RdPtr; + logic [DEPTH_LOG2-1:0] NxtWrPtr, NxtRdPtr; + logic [DEPTH_LOG2-1:0] WrPtrPlus1, WrPtrPlus2, RdPtrPlus1; + + logic dual_stbuf_write_r; + + logic isdccmst_m, isdccmst_r; + logic [3:0] stbuf_numvld_any, stbuf_specvld_any; + logic [1:0] stbuf_specvld_m, stbuf_specvld_r; + + logic [pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)] cmpaddr_hi_m, cmpaddr_lo_m; + + // variables to detect matching from the store queue + logic [DEPTH-1:0] stbuf_match_hi, stbuf_match_lo; + logic [DEPTH-1:0][BYTE_WIDTH-1:0] stbuf_fwdbyteenvec_hi, stbuf_fwdbyteenvec_lo; + logic [DATA_WIDTH-1:0] stbuf_fwddata_hi_pre_m, stbuf_fwddata_lo_pre_m; + logic [BYTE_WIDTH-1:0] stbuf_fwdbyteen_hi_pre_m, stbuf_fwdbyteen_lo_pre_m; + + // logic to detect matching from the pipe - needed for store - load forwarding + logic [BYTE_WIDTH-1:0] ld_byte_rhit_lo_lo, ld_byte_rhit_hi_lo, ld_byte_rhit_lo_hi, ld_byte_rhit_hi_hi; + logic ld_addr_rhit_lo_lo, ld_addr_rhit_hi_lo, ld_addr_rhit_lo_hi, ld_addr_rhit_hi_hi; + + logic [BYTE_WIDTH-1:0] ld_byte_hit_lo, ld_byte_rhit_lo; + logic [BYTE_WIDTH-1:0] ld_byte_hit_hi, ld_byte_rhit_hi; + + logic [BYTE_WIDTH-1:0] ldst_byteen_hi_r; + logic [BYTE_WIDTH-1:0] ldst_byteen_lo_r; + // byte_en flowing down + logic [7:0] ldst_byteen_r; + logic [7:0] ldst_byteen_ext_r; + // fwd data through the pipe + logic [31:0] ld_fwddata_rpipe_lo; + logic [31:0] ld_fwddata_rpipe_hi; + + // coalescing signals + logic [DEPTH-1:0] store_matchvec_lo_r, store_matchvec_hi_r; + logic store_coalesce_lo_r, store_coalesce_hi_r; + + //---------------------------------------- + // Logic starts here + //---------------------------------------- + // Create high/low byte enables + assign store_byteen_ext_r[7:0] = ldst_byteen_r[7:0] << lsu_addr_r[1:0]; + assign store_byteen_hi_r[BYTE_WIDTH-1:0] = store_byteen_ext_r[7:4] & {4{lsu_pkt_r.store}}; + assign store_byteen_lo_r[BYTE_WIDTH-1:0] = store_byteen_ext_r[3:0] & {4{lsu_pkt_r.store}}; + + assign RdPtrPlus1[DEPTH_LOG2-1:0] = RdPtr[DEPTH_LOG2-1:0] + 1'b1; + assign WrPtrPlus1[DEPTH_LOG2-1:0] = WrPtr[DEPTH_LOG2-1:0] + 1'b1; + assign WrPtrPlus2[DEPTH_LOG2-1:0] = WrPtr[DEPTH_LOG2-1:0] + 2'b10; + + // ecc error on both hi/lo + assign dual_stbuf_write_r = ldst_dual_r & store_stbuf_reqvld_r; + assign ldst_stbuf_reqvld_r = ((lsu_commit_r | lsu_pkt_r.dma) & store_stbuf_reqvld_r); + + // Store Buffer coalescing + for (genvar i=0; i<DEPTH; i++) begin: FindMatchEntry + assign store_matchvec_lo_r[i] = (stbuf_addr[i][pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)] == lsu_addr_r[pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)]) & stbuf_vld[i] & ~stbuf_dma_kill[i] & ~stbuf_reset[i]; + assign store_matchvec_hi_r[i] = (stbuf_addr[i][pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)] == end_addr_r[pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)]) & stbuf_vld[i] & ~stbuf_dma_kill[i] & dual_stbuf_write_r & ~stbuf_reset[i]; + end: FindMatchEntry + + assign store_coalesce_lo_r = |store_matchvec_lo_r[DEPTH-1:0]; + assign store_coalesce_hi_r = |store_matchvec_hi_r[DEPTH-1:0]; + + + if (pt.DCCM_ENABLE == 1) begin: Gen_dccm_enable + // Allocate new in this entry if : + // 1. wrptr, single allocate, lo did not coalesce + // 2. wrptr, double allocate, lo ^ hi coalesced + // 3. wrptr + 1, double alloacte, niether lo or hi coalesced + // Also update if there is a hi or a lo coalesce to this entry + // Store Buffer instantiation + for (genvar i=0; i<DEPTH; i++) begin: GenStBuf + assign stbuf_wr_en[i] = ldst_stbuf_reqvld_r & ( + ( (i == WrPtr[DEPTH_LOG2-1:0]) & ~store_coalesce_lo_r) | // Allocate : new Lo + ( (i == WrPtr[DEPTH_LOG2-1:0]) & dual_stbuf_write_r & ~store_coalesce_hi_r) | // Allocate : only 1 new Write Either + ( (i == WrPtrPlus1[DEPTH_LOG2-1:0]) & dual_stbuf_write_r & ~(store_coalesce_lo_r | store_coalesce_hi_r)) | // Allocate2 : 2 new so Write Hi + store_matchvec_lo_r[i] | store_matchvec_hi_r[i]); // Coalesced Write Lo or Hi + assign stbuf_reset[i] = (lsu_stbuf_commit_any | stbuf_reqvld_flushed_any) & (i == RdPtr[DEPTH_LOG2-1:0]); + + // Mux select for start/end address + assign sel_lo[i] = ((~ldst_dual_r | store_stbuf_reqvld_r) & (i == WrPtr[DEPTH_LOG2-1:0]) & ~store_coalesce_lo_r) | // lo allocated new entry + store_matchvec_lo_r[i]; // lo coalesced in to this entry + assign stbuf_addrin[i][pt.LSU_SB_BITS-1:0] = sel_lo[i] ? lsu_addr_r[pt.LSU_SB_BITS-1:0] : end_addr_r[pt.LSU_SB_BITS-1:0]; + assign stbuf_byteenin[i][BYTE_WIDTH-1:0] = sel_lo[i] ? (stbuf_byteen[i][BYTE_WIDTH-1:0] | store_byteen_lo_r[BYTE_WIDTH-1:0]) : (stbuf_byteen[i][BYTE_WIDTH-1:0] | store_byteen_hi_r[BYTE_WIDTH-1:0]); + assign stbuf_datain[i][7:0] = sel_lo[i] ? ((~stbuf_byteen[i][0] | store_byteen_lo_r[0]) ? store_datafn_lo_r[7:0] : stbuf_data[i][7:0]) : + ((~stbuf_byteen[i][0] | store_byteen_hi_r[0]) ? store_datafn_hi_r[7:0] : stbuf_data[i][7:0]); + assign stbuf_datain[i][15:8] = sel_lo[i] ? ((~stbuf_byteen[i][1] | store_byteen_lo_r[1]) ? store_datafn_lo_r[15:8] : stbuf_data[i][15:8]) : + ((~stbuf_byteen[i][1] | store_byteen_hi_r[1]) ? store_datafn_hi_r[15:8] : stbuf_data[i][15:8]); + assign stbuf_datain[i][23:16] = sel_lo[i] ? ((~stbuf_byteen[i][2] | store_byteen_lo_r[2]) ? store_datafn_lo_r[23:16] : stbuf_data[i][23:16]) : + ((~stbuf_byteen[i][2] | store_byteen_hi_r[2]) ? store_datafn_hi_r[23:16] : stbuf_data[i][23:16]); + assign stbuf_datain[i][31:24] = sel_lo[i] ? ((~stbuf_byteen[i][3] | store_byteen_lo_r[3]) ? store_datafn_lo_r[31:24] : stbuf_data[i][31:24]) : + ((~stbuf_byteen[i][3] | store_byteen_hi_r[3]) ? store_datafn_hi_r[31:24] : stbuf_data[i][31:24]); + + rvdffsc #(.WIDTH(1)) stbuf_vldff (.din(1'b1), .dout(stbuf_vld[i]), .en(stbuf_wr_en[i]), .clear(stbuf_reset[i]), .clk(lsu_free_c2_clk), .*); + rvdffsc #(.WIDTH(1)) stbuf_killff (.din(1'b1), .dout(stbuf_dma_kill[i]), .en(stbuf_dma_kill_en[i]), .clear(stbuf_reset[i]), .clk(lsu_free_c2_clk), .*); + rvdffe #(.WIDTH(pt.LSU_SB_BITS)) stbuf_addrff (.din(stbuf_addrin[i][pt.LSU_SB_BITS-1:0]), .dout(stbuf_addr[i][pt.LSU_SB_BITS-1:0]), .en(stbuf_wr_en[i]), .*); + rvdffsc #(.WIDTH(BYTE_WIDTH)) stbuf_byteenff (.din(stbuf_byteenin[i][BYTE_WIDTH-1:0]), .dout(stbuf_byteen[i][BYTE_WIDTH-1:0]), .en(stbuf_wr_en[i]), .clear(stbuf_reset[i]), .clk(lsu_stbuf_c1_clk), .*); + rvdffe #(.WIDTH(DATA_WIDTH)) stbuf_dataff (.din(stbuf_datain[i][DATA_WIDTH-1:0]), .dout(stbuf_data[i][DATA_WIDTH-1:0]), .en(stbuf_wr_en[i]), .*); + end + end else begin: Gen_dccm_disable + assign stbuf_wr_en[DEPTH-1:0] = '0; + assign stbuf_reset[DEPTH-1:0] = '0; + assign stbuf_vld[DEPTH-1:0] = '0; + assign stbuf_dma_kill[DEPTH-1:0] = '0; + assign stbuf_addr[DEPTH-1:0] = '0; + assign stbuf_byteen[DEPTH-1:0] = '0; + assign stbuf_data[DEPTH-1:0] = '0; + end + + // Store Buffer drain logic + assign stbuf_reqvld_flushed_any = stbuf_vld[RdPtr] & stbuf_dma_kill[RdPtr]; + assign stbuf_reqvld_any = stbuf_vld[RdPtr] & ~stbuf_dma_kill[RdPtr] & ~(|stbuf_dma_kill_en[DEPTH-1:0]); // Don't drain if some kill bit is being set this cycle + assign stbuf_addr_any[pt.LSU_SB_BITS-1:0] = stbuf_addr[RdPtr][pt.LSU_SB_BITS-1:0]; + assign stbuf_data_any[DATA_WIDTH-1:0] = stbuf_data[RdPtr][DATA_WIDTH-1:0]; + + // Update the RdPtr/WrPtr logic + // Need to revert the WrPtr for flush cases. Also revert the pipe WrPtrs + assign WrPtrEn = (ldst_stbuf_reqvld_r & ~dual_stbuf_write_r & ~(store_coalesce_hi_r | store_coalesce_lo_r)) | // writing 1 and did not coalesce + (ldst_stbuf_reqvld_r & dual_stbuf_write_r & ~(store_coalesce_hi_r & store_coalesce_lo_r)); // writing 2 and atleast 1 did not coalesce + assign NxtWrPtr[DEPTH_LOG2-1:0] = (ldst_stbuf_reqvld_r & dual_stbuf_write_r & ~(store_coalesce_hi_r | store_coalesce_lo_r)) ? WrPtrPlus2[DEPTH_LOG2-1:0] : WrPtrPlus1[DEPTH_LOG2-1:0]; + assign RdPtrEn = lsu_stbuf_commit_any | stbuf_reqvld_flushed_any; + assign NxtRdPtr[DEPTH_LOG2-1:0] = RdPtrPlus1[DEPTH_LOG2-1:0]; + + always_comb begin + stbuf_numvld_any[3:0] = '0; + for (int i=0; i<DEPTH; i++) begin + stbuf_numvld_any[3:0] += {3'b0, stbuf_vld[i]}; + end + end + + // These go to store buffer to detect full + assign isdccmst_m = lsu_pkt_m.valid & lsu_pkt_m.store & addr_in_dccm_m & ~lsu_pkt_m.dma; + assign isdccmst_r = lsu_pkt_r.valid & lsu_pkt_r.store & addr_in_dccm_r & ~lsu_pkt_r.dma; + + assign stbuf_specvld_m[1:0] = {1'b0,isdccmst_m} << (isdccmst_m & ldst_dual_m); + assign stbuf_specvld_r[1:0] = {1'b0,isdccmst_r} << (isdccmst_r & ldst_dual_r); + assign stbuf_specvld_any[3:0] = stbuf_numvld_any[3:0] + {2'b0, stbuf_specvld_m[1:0]} + {2'b0, stbuf_specvld_r[1:0]}; + + assign lsu_stbuf_full_any = (~ldst_dual_d & dec_lsu_valid_raw_d) ? (stbuf_specvld_any[3:0] >= DEPTH) : (stbuf_specvld_any[3:0] >= (DEPTH-1)); + assign lsu_stbuf_empty_any = (stbuf_numvld_any[3:0] == 4'b0); + + // Load forwarding logic from the store queue + assign cmpaddr_hi_m[pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)] = end_addr_m[pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)]; + + assign cmpaddr_lo_m[pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)] = lsu_addr_m[pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)]; + + always_comb begin: GenLdFwd + stbuf_fwdbyteen_hi_pre_m[BYTE_WIDTH-1:0] = '0; + stbuf_fwdbyteen_lo_pre_m[BYTE_WIDTH-1:0] = '0; + + for (int i=0; i<DEPTH; i++) begin + stbuf_match_hi[i] = (stbuf_addr[i][pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)] == cmpaddr_hi_m[pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)]) & stbuf_vld[i] & ~stbuf_dma_kill[i] & addr_in_dccm_m; + stbuf_match_lo[i] = (stbuf_addr[i][pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)] == cmpaddr_lo_m[pt.LSU_SB_BITS-1:$clog2(BYTE_WIDTH)]) & stbuf_vld[i] & ~stbuf_dma_kill[i] & addr_in_dccm_m; + + // Kill the store buffer entry if there is a dma store since it already updated the dccm + stbuf_dma_kill_en[i] = (stbuf_match_hi[i] | stbuf_match_lo[i]) & lsu_pkt_m.valid & lsu_pkt_m.dma & lsu_pkt_m.store; + + for (int j=0; j<BYTE_WIDTH; j++) begin + stbuf_fwdbyteenvec_hi[i][j] = stbuf_match_hi[i] & stbuf_byteen[i][j] & stbuf_vld[i]; + stbuf_fwdbyteen_hi_pre_m[j] |= stbuf_fwdbyteenvec_hi[i][j]; + + stbuf_fwdbyteenvec_lo[i][j] = stbuf_match_lo[i] & stbuf_byteen[i][j] & stbuf_vld[i]; + stbuf_fwdbyteen_lo_pre_m[j] |= stbuf_fwdbyteenvec_lo[i][j]; + end + end + end // block: GenLdFwd + + always_comb begin: GenLdData + stbuf_fwddata_hi_pre_m[31:0] = '0; + stbuf_fwddata_lo_pre_m[31:0] = '0; + + for (int i=0; i<DEPTH; i++) begin + stbuf_fwddata_hi_pre_m[31:0] |= {32{stbuf_match_hi[i]}} & stbuf_data[i][31:0]; + stbuf_fwddata_lo_pre_m[31:0] |= {32{stbuf_match_lo[i]}} & stbuf_data[i][31:0]; + + end + + end // block: GenLdData + + // Create Hi/Lo signals - needed for the pipe forwarding + assign ldst_byteen_r[7:0] = ({8{lsu_pkt_r.by}} & 8'b0000_0001) | + ({8{lsu_pkt_r.half}} & 8'b0000_0011) | + ({8{lsu_pkt_r.word}} & 8'b0000_1111) | + ({8{lsu_pkt_r.dword}} & 8'b1111_1111); + + assign ldst_byteen_ext_r[7:0] = ldst_byteen_r[7:0] << lsu_addr_r[1:0]; + + assign ldst_byteen_hi_r[3:0] = ldst_byteen_ext_r[7:4]; + assign ldst_byteen_lo_r[3:0] = ldst_byteen_ext_r[3:0]; + + assign ld_addr_rhit_lo_lo = (lsu_addr_m[31:2] == lsu_addr_r[31:2]) & lsu_pkt_r.valid & lsu_pkt_r.store & ~lsu_pkt_r.dma; + assign ld_addr_rhit_lo_hi = (end_addr_m[31:2] == lsu_addr_r[31:2]) & lsu_pkt_r.valid & lsu_pkt_r.store & ~lsu_pkt_r.dma; + assign ld_addr_rhit_hi_lo = (lsu_addr_m[31:2] == end_addr_r[31:2]) & lsu_pkt_r.valid & lsu_pkt_r.store & ~lsu_pkt_r.dma & dual_stbuf_write_r; + assign ld_addr_rhit_hi_hi = (end_addr_m[31:2] == end_addr_r[31:2]) & lsu_pkt_r.valid & lsu_pkt_r.store & ~lsu_pkt_r.dma & dual_stbuf_write_r; + + for (genvar i=0; i<BYTE_WIDTH; i++) begin + assign ld_byte_rhit_lo_lo[i] = ld_addr_rhit_lo_lo & ldst_byteen_lo_r[i]; + assign ld_byte_rhit_lo_hi[i] = ld_addr_rhit_lo_hi & ldst_byteen_lo_r[i]; + assign ld_byte_rhit_hi_lo[i] = ld_addr_rhit_hi_lo & ldst_byteen_hi_r[i]; + assign ld_byte_rhit_hi_hi[i] = ld_addr_rhit_hi_hi & ldst_byteen_hi_r[i]; + + assign ld_byte_rhit_lo[i] = ld_byte_rhit_lo_lo[i] | ld_byte_rhit_hi_lo[i]; + assign ld_byte_rhit_hi[i] = ld_byte_rhit_lo_hi[i] | ld_byte_rhit_hi_hi[i]; + + assign ld_fwddata_rpipe_lo[(8*i)+7:(8*i)] = ({8{ld_byte_rhit_lo_lo[i]}} & store_data_lo_r[(8*i)+7:(8*i)]) | + ({8{ld_byte_rhit_hi_lo[i]}} & store_data_hi_r[(8*i)+7:(8*i)]); + + assign ld_fwddata_rpipe_hi[(8*i)+7:(8*i)] = ({8{ld_byte_rhit_lo_hi[i]}} & store_data_lo_r[(8*i)+7:(8*i)]) | + ({8{ld_byte_rhit_hi_hi[i]}} & store_data_hi_r[(8*i)+7:(8*i)]); + + assign ld_byte_hit_lo[i] = ld_byte_rhit_lo_lo[i] | ld_byte_rhit_hi_lo[i]; + assign ld_byte_hit_hi[i] = ld_byte_rhit_lo_hi[i] | ld_byte_rhit_hi_hi[i]; + + assign stbuf_fwdbyteen_hi_m[i] = ld_byte_hit_hi[i] | stbuf_fwdbyteen_hi_pre_m[i]; + assign stbuf_fwdbyteen_lo_m[i] = ld_byte_hit_lo[i] | stbuf_fwdbyteen_lo_pre_m[i]; + // // Pipe vs Store Queue priority + assign stbuf_fwddata_lo_m[(8*i)+7:(8*i)] = ld_byte_rhit_lo[i] ? ld_fwddata_rpipe_lo[(8*i)+7:(8*i)] : stbuf_fwddata_lo_pre_m[(8*i)+7:(8*i)]; + // // Pipe vs Store Queue priority + assign stbuf_fwddata_hi_m[(8*i)+7:(8*i)] = ld_byte_rhit_hi[i] ? ld_fwddata_rpipe_hi[(8*i)+7:(8*i)] : stbuf_fwddata_hi_pre_m[(8*i)+7:(8*i)]; + end + + // Flops + rvdffs #(.WIDTH(DEPTH_LOG2)) WrPtrff (.din(NxtWrPtr[DEPTH_LOG2-1:0]), .dout(WrPtr[DEPTH_LOG2-1:0]), .en(WrPtrEn), .clk(lsu_stbuf_c1_clk), .*); + rvdffs #(.WIDTH(DEPTH_LOG2)) RdPtrff (.din(NxtRdPtr[DEPTH_LOG2-1:0]), .dout(RdPtr[DEPTH_LOG2-1:0]), .en(RdPtrEn), .clk(lsu_stbuf_c1_clk), .*); + + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//******************************************************************************** +// $Id$ +// +// +// Owner: +// Function: LSU Trigger logic +// Comments: +// +//******************************************************************************** +module eb1_lsu_trigger +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input eb1_trigger_pkt_t [3:0] trigger_pkt_any, // trigger packet from dec + input eb1_lsu_pkt_t lsu_pkt_m, // lsu packet + input logic [31:0] lsu_addr_m, // address + input logic [31:0] store_data_m, // store data + + output logic [3:0] lsu_trigger_match_m // match result +); + + logic trigger_enable; + logic [3:0][31:0] lsu_match_data; + logic [3:0] lsu_trigger_data_match; + logic [31:0] store_data_trigger_m; + logic [31:0] ldst_addr_trigger_m; + + // Generate the trigger enable (This is for power) + always_comb begin + trigger_enable = 1'b0; + for (int i=0; i<4; i++) begin + trigger_enable |= trigger_pkt_any[i].m; + end + end + + assign store_data_trigger_m[31:0] = {({16{lsu_pkt_m.word}} & store_data_m[31:16]),({8{(lsu_pkt_m.half | lsu_pkt_m.word)}} & store_data_m[15:8]), store_data_m[7:0]} & {32{trigger_enable}}; + assign ldst_addr_trigger_m[31:0] = lsu_addr_m[31:0] & {32{trigger_enable}}; + + + for (genvar i=0; i<4; i++) begin + assign lsu_match_data[i][31:0] = ({32{~trigger_pkt_any[i].select}} & ldst_addr_trigger_m[31:0]) | + ({32{trigger_pkt_any[i].select & trigger_pkt_any[i].store}} & store_data_trigger_m[31:0]); + + rvmaskandmatch trigger_match (.mask(trigger_pkt_any[i].tdata2[31:0]), .data(lsu_match_data[i][31:0]), .masken(trigger_pkt_any[i].match), .match(lsu_trigger_data_match[i])); + + assign lsu_trigger_match_m[i] = lsu_pkt_m.valid & ~lsu_pkt_m.dma & trigger_enable & + ((trigger_pkt_any[i].store & lsu_pkt_m.store) | (trigger_pkt_any[i].load & lsu_pkt_m.load & ~trigger_pkt_any[i].select)) & + lsu_trigger_data_match[i]; + end + + +endmodule // eb1_lsu_trigger + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2019 MERL Corporation or it's affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License + +module rvjtag_tap #( +parameter AWIDTH = 7 +) +( +input trst, +input tck, +input tms, +input tdi, +output reg tdo, +output tdoEnable, + +output [31:0] wr_data, +output [AWIDTH-1:0] wr_addr, +output wr_en, +output rd_en, + +input [31:0] rd_data, +input [1:0] rd_status, + +output reg dmi_reset, +output reg dmi_hard_reset, + +input [2:0] idle, +input [1:0] dmi_stat, +/* +-- revisionCode : 4'h0; +-- manufacturersIdCode : 11'h45; +-- deviceIdCode : 16'h0001; +-- order MSB .. LSB -> [4 bit version or revision] [16 bit part number] [11 bit manufacturer id] [value of 1'b1 in LSB] +*/ +input [31:1] jtag_id, +input [3:0] version +); + +localparam USER_DR_LENGTH = AWIDTH + 34; + + +reg [USER_DR_LENGTH-1:0] sr, nsr, dr; + +/////////////////////////////////////////////////////// +// Tap controller +/////////////////////////////////////////////////////// +logic[3:0] state, nstate; +logic [4:0] ir; +wire jtag_reset; +wire shift_dr; +wire pause_dr; +wire update_dr; +wire capture_dr; +wire shift_ir; +wire pause_ir ; +wire update_ir ; +wire capture_ir; +wire[1:0] dr_en; +wire devid_sel; +wire [5:0] abits; + +assign abits = AWIDTH[5:0]; + + +localparam TEST_LOGIC_RESET_STATE = 0; +localparam RUN_TEST_IDLE_STATE = 1; +localparam SELECT_DR_SCAN_STATE = 2; +localparam CAPTURE_DR_STATE = 3; +localparam SHIFT_DR_STATE = 4; +localparam EXIT1_DR_STATE = 5; +localparam PAUSE_DR_STATE = 6; +localparam EXIT2_DR_STATE = 7; +localparam UPDATE_DR_STATE = 8; +localparam SELECT_IR_SCAN_STATE = 9; +localparam CAPTURE_IR_STATE = 10; +localparam SHIFT_IR_STATE = 11; +localparam EXIT1_IR_STATE = 12; +localparam PAUSE_IR_STATE = 13; +localparam EXIT2_IR_STATE = 14; +localparam UPDATE_IR_STATE = 15; + +always_comb begin + nstate = state; + case(state) + TEST_LOGIC_RESET_STATE: nstate = tms ? TEST_LOGIC_RESET_STATE : RUN_TEST_IDLE_STATE; + RUN_TEST_IDLE_STATE: nstate = tms ? SELECT_DR_SCAN_STATE : RUN_TEST_IDLE_STATE; + SELECT_DR_SCAN_STATE: nstate = tms ? SELECT_IR_SCAN_STATE : CAPTURE_DR_STATE; + CAPTURE_DR_STATE: nstate = tms ? EXIT1_DR_STATE : SHIFT_DR_STATE; + SHIFT_DR_STATE: nstate = tms ? EXIT1_DR_STATE : SHIFT_DR_STATE; + EXIT1_DR_STATE: nstate = tms ? UPDATE_DR_STATE : PAUSE_DR_STATE; + PAUSE_DR_STATE: nstate = tms ? EXIT2_DR_STATE : PAUSE_DR_STATE; + EXIT2_DR_STATE: nstate = tms ? UPDATE_DR_STATE : SHIFT_DR_STATE; + UPDATE_DR_STATE: nstate = tms ? SELECT_DR_SCAN_STATE : RUN_TEST_IDLE_STATE; + SELECT_IR_SCAN_STATE: nstate = tms ? TEST_LOGIC_RESET_STATE : CAPTURE_IR_STATE; + CAPTURE_IR_STATE: nstate = tms ? EXIT1_IR_STATE : SHIFT_IR_STATE; + SHIFT_IR_STATE: nstate = tms ? EXIT1_IR_STATE : SHIFT_IR_STATE; + EXIT1_IR_STATE: nstate = tms ? UPDATE_IR_STATE : PAUSE_IR_STATE; + PAUSE_IR_STATE: nstate = tms ? EXIT2_IR_STATE : PAUSE_IR_STATE; + EXIT2_IR_STATE: nstate = tms ? UPDATE_IR_STATE : SHIFT_IR_STATE; + UPDATE_IR_STATE: nstate = tms ? SELECT_DR_SCAN_STATE : RUN_TEST_IDLE_STATE; + default: nstate = TEST_LOGIC_RESET_STATE; + endcase +end + +always @ (posedge tck or negedge trst) begin + if(!trst) state <= TEST_LOGIC_RESET_STATE; + else state <= nstate; +end + +assign jtag_reset = state == TEST_LOGIC_RESET_STATE; +assign shift_dr = state == SHIFT_DR_STATE; +assign pause_dr = state == PAUSE_DR_STATE; +assign update_dr = state == UPDATE_DR_STATE; +assign capture_dr = state == CAPTURE_DR_STATE; +assign shift_ir = state == SHIFT_IR_STATE; +assign pause_ir = state == PAUSE_IR_STATE; +assign update_ir = state == UPDATE_IR_STATE; +assign capture_ir = state == CAPTURE_IR_STATE; + +assign tdoEnable = shift_dr | shift_ir; + +/////////////////////////////////////////////////////// +// IR register +/////////////////////////////////////////////////////// + +always @ (negedge tck or negedge trst) begin + if (!trst) ir <= 5'b1; + else begin + if (jtag_reset) ir <= 5'b1; + else if (update_ir) ir <= (sr[4:0] == '0) ? 5'h1f :sr[4:0]; + end +end + + +assign devid_sel = ir == 5'b00001; +assign dr_en[0] = ir == 5'b10000; +assign dr_en[1] = ir == 5'b10001; + +/////////////////////////////////////////////////////// +// Shift register +/////////////////////////////////////////////////////// +always @ (posedge tck or negedge trst) begin + if(!trst)begin + sr <= '0; + end + else begin + sr <= nsr; + end +end + +// SR next value +always_comb begin + nsr = sr; + case(1) + shift_dr: begin + case(1) + dr_en[1]: nsr = {tdi, sr[USER_DR_LENGTH-1:1]}; + + dr_en[0], + devid_sel: nsr = {{USER_DR_LENGTH-32{1'b0}},tdi, sr[31:1]}; + default: nsr = {{USER_DR_LENGTH-1{1'b0}},tdi}; // bypass + endcase + end + capture_dr: begin + nsr[0] = 1'b0; + case(1) + dr_en[0]: nsr = {{USER_DR_LENGTH-15{1'b0}}, idle, dmi_stat, abits, version}; + dr_en[1]: nsr = {{AWIDTH{1'b0}}, rd_data, rd_status}; + devid_sel: nsr = {{USER_DR_LENGTH-32{1'b0}}, jtag_id, 1'b1}; + endcase + end + shift_ir: nsr = {{USER_DR_LENGTH-5{1'b0}},tdi, sr[4:1]}; + capture_ir: nsr = {{USER_DR_LENGTH-1{1'b0}},1'b1}; + endcase +end + +// TDO retiming +always @ (negedge tck ) tdo <= sr[0]; + +// DMI CS register +always @ (posedge tck or negedge trst) begin + if(!trst) begin + dmi_hard_reset <= 1'b0; + dmi_reset <= 1'b0; + end + else if (update_dr & dr_en[0]) begin + dmi_hard_reset <= sr[17]; + dmi_reset <= sr[16]; + end + else begin + dmi_hard_reset <= 1'b0; + dmi_reset <= 1'b0; + end +end + +// DR register +always @ (posedge tck or negedge trst) begin + if(!trst) + dr <= '0; + else begin + if (update_dr & dr_en[1]) + dr <= sr; + else + dr <= {dr[USER_DR_LENGTH-1:2],2'b0}; + end +end + +assign {wr_addr, wr_data, wr_en, rd_en} = dr; + + + + +endmodule + +module eb1_btb_tag_hash +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +}) ( + input logic [pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1] pc, + output logic [pt.BTB_BTAG_SIZE-1:0] hash + ); + + assign hash = {(pc[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE+1] ^ + pc[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+1] ^ + pc[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1])}; +endmodule + +module eb1_btb_tag_hash_fold +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input logic [pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1] pc, + output logic [pt.BTB_BTAG_SIZE-1:0] hash + ); + + assign hash = {( + pc[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE+1] ^ + pc[pt.BTB_ADDR_HI+pt.BTB_BTAG_SIZE:pt.BTB_ADDR_HI+1])}; + +endmodule + +module eb1_btb_addr_hash +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input logic [pt.BTB_INDEX3_HI:pt.BTB_INDEX1_LO] pc, + output logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] hash + ); + + +if(pt.BTB_FOLD2_INDEX_HASH) begin : fold2 + assign hash[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] = pc[pt.BTB_INDEX1_HI:pt.BTB_INDEX1_LO] ^ + pc[pt.BTB_INDEX3_HI:pt.BTB_INDEX3_LO]; +end + else begin + assign hash[pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] = pc[pt.BTB_INDEX1_HI:pt.BTB_INDEX1_LO] ^ + pc[pt.BTB_INDEX2_HI:pt.BTB_INDEX2_LO] ^ + pc[pt.BTB_INDEX3_HI:pt.BTB_INDEX3_LO]; +end + +endmodule + +module eb1_btb_ghr_hash +import eb1_pkg::*; +#( +parameter eb1_param_t pt = '{ + BHT_ADDR_HI : 8'h08 , + BHT_ADDR_LO : 6'h02 , + BHT_ARRAY_DEPTH : 15'h0080 , + BHT_GHR_HASH_1 : 5'h00 , + BHT_GHR_SIZE : 8'h07 , + BHT_SIZE : 16'h0100 , + BITMANIP_ZBA : 5'h00 , + BITMANIP_ZBB : 5'h00 , + BITMANIP_ZBC : 5'h00 , + BITMANIP_ZBE : 5'h00 , + BITMANIP_ZBF : 5'h00 , + BITMANIP_ZBP : 5'h00 , + BITMANIP_ZBR : 5'h00 , + BITMANIP_ZBS : 5'h00 , + BTB_ADDR_HI : 9'h008 , + BTB_ADDR_LO : 6'h02 , + BTB_ARRAY_DEPTH : 13'h0080 , + BTB_BTAG_FOLD : 5'h00 , + BTB_BTAG_SIZE : 9'h006 , + BTB_ENABLE : 5'h01 , + BTB_FOLD2_INDEX_HASH : 5'h00 , + BTB_FULLYA : 5'h00 , + BTB_INDEX1_HI : 9'h008 , + BTB_INDEX1_LO : 9'h002 , + BTB_INDEX2_HI : 9'h00F , + BTB_INDEX2_LO : 9'h009 , + BTB_INDEX3_HI : 9'h016 , + BTB_INDEX3_LO : 9'h010 , + BTB_SIZE : 14'h0100 , + BTB_TOFFSET_SIZE : 9'h00C , + BUILD_AHB_LITE : 4'h0 , + BUILD_AXI4 : 5'h01 , + BUILD_AXI_NATIVE : 5'h01 , + BUS_PRTY_DEFAULT : 6'h03 , + DATA_ACCESS_ADDR0 : 36'h000000000 , + DATA_ACCESS_ADDR1 : 36'h000000000 , + DATA_ACCESS_ADDR2 : 36'h000000000 , + DATA_ACCESS_ADDR3 : 36'h000000000 , + DATA_ACCESS_ADDR4 : 36'h000000000 , + DATA_ACCESS_ADDR5 : 36'h000000000 , + DATA_ACCESS_ADDR6 : 36'h000000000 , + DATA_ACCESS_ADDR7 : 36'h000000000 , + DATA_ACCESS_ENABLE0 : 5'h00 , + DATA_ACCESS_ENABLE1 : 5'h00 , + DATA_ACCESS_ENABLE2 : 5'h00 , + DATA_ACCESS_ENABLE3 : 5'h00 , + DATA_ACCESS_ENABLE4 : 5'h00 , + DATA_ACCESS_ENABLE5 : 5'h00 , + DATA_ACCESS_ENABLE6 : 5'h00 , + DATA_ACCESS_ENABLE7 : 5'h00 , + DATA_ACCESS_MASK0 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK1 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK2 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK3 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK4 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK5 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK6 : 36'h0FFFFFFFF , + DATA_ACCESS_MASK7 : 36'h0FFFFFFFF , + DCCM_BANK_BITS : 7'h02 , + DCCM_BITS : 9'h00C , + DCCM_BYTE_WIDTH : 7'h04 , + DCCM_DATA_WIDTH : 10'h020 , + DCCM_ECC_WIDTH : 7'h07 , + DCCM_ENABLE : 5'h01 , + DCCM_FDATA_WIDTH : 10'h027 , + DCCM_INDEX_BITS : 8'h08 , + DCCM_NUM_BANKS : 9'h004 , + DCCM_REGION : 8'h0F , + DCCM_SADR : 36'h0F0040000 , + DCCM_SIZE : 14'h0004 , + DCCM_WIDTH_BITS : 6'h02 , + DIV_BIT : 7'h03 , + DIV_NEW : 5'h01 , + DMA_BUF_DEPTH : 7'h05 , + DMA_BUS_ID : 9'h001 , + DMA_BUS_PRTY : 6'h02 , + DMA_BUS_TAG : 8'h01 , + FAST_INTERRUPT_REDIRECT : 5'h01 , + ICACHE_2BANKS : 5'h01 , + ICACHE_BANK_BITS : 7'h01 , + ICACHE_BANK_HI : 7'h03 , + ICACHE_BANK_LO : 6'h03 , + ICACHE_BANK_WIDTH : 8'h08 , + ICACHE_BANKS_WAY : 7'h02 , + ICACHE_BEAT_ADDR_HI : 8'h05 , + ICACHE_BEAT_BITS : 8'h03 , + ICACHE_BYPASS_ENABLE : 5'h01 , + ICACHE_DATA_DEPTH : 18'h00200 , + ICACHE_DATA_INDEX_LO : 7'h04 , + ICACHE_DATA_WIDTH : 11'h040 , + ICACHE_ECC : 5'h01 , + ICACHE_ENABLE : 5'h00 , + ICACHE_FDATA_WIDTH : 11'h047 , + ICACHE_INDEX_HI : 9'h00C , + ICACHE_LN_SZ : 11'h040 , + ICACHE_NUM_BEATS : 8'h08 , + ICACHE_NUM_BYPASS : 8'h02 , + ICACHE_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_NUM_WAYS : 7'h02 , + ICACHE_ONLY : 5'h00 , + ICACHE_SCND_LAST : 8'h06 , + ICACHE_SIZE : 13'h0010 , + ICACHE_STATUS_BITS : 7'h01 , + ICACHE_TAG_BYPASS_ENABLE : 5'h01 , + ICACHE_TAG_DEPTH : 17'h00080 , + ICACHE_TAG_INDEX_LO : 7'h06 , + ICACHE_TAG_LO : 9'h00D , + ICACHE_TAG_NUM_BYPASS : 8'h02 , + ICACHE_TAG_NUM_BYPASS_WIDTH : 8'h02 , + ICACHE_WAYPACK : 5'h01 , + ICCM_BANK_BITS : 7'h02 , + ICCM_BANK_HI : 9'h003 , + ICCM_BANK_INDEX_LO : 9'h004 , + ICCM_BITS : 9'h00C , + ICCM_ENABLE : 5'h01 , + ICCM_ICACHE : 5'h00 , + ICCM_INDEX_BITS : 8'h08 , + ICCM_NUM_BANKS : 9'h004 , + ICCM_ONLY : 5'h01 , + ICCM_REGION : 8'h0A , + ICCM_SADR : 36'h0AFFFF000 , + ICCM_SIZE : 14'h0004 , + IFU_BUS_ID : 5'h01 , + IFU_BUS_PRTY : 6'h02 , + IFU_BUS_TAG : 8'h03 , + INST_ACCESS_ADDR0 : 36'h000000000 , + INST_ACCESS_ADDR1 : 36'h000000000 , + INST_ACCESS_ADDR2 : 36'h000000000 , + INST_ACCESS_ADDR3 : 36'h000000000 , + INST_ACCESS_ADDR4 : 36'h000000000 , + INST_ACCESS_ADDR5 : 36'h000000000 , + INST_ACCESS_ADDR6 : 36'h000000000 , + INST_ACCESS_ADDR7 : 36'h000000000 , + INST_ACCESS_ENABLE0 : 5'h00 , + INST_ACCESS_ENABLE1 : 5'h00 , + INST_ACCESS_ENABLE2 : 5'h00 , + INST_ACCESS_ENABLE3 : 5'h00 , + INST_ACCESS_ENABLE4 : 5'h00 , + INST_ACCESS_ENABLE5 : 5'h00 , + INST_ACCESS_ENABLE6 : 5'h00 , + INST_ACCESS_ENABLE7 : 5'h00 , + INST_ACCESS_MASK0 : 36'h0FFFFFFFF , + INST_ACCESS_MASK1 : 36'h0FFFFFFFF , + INST_ACCESS_MASK2 : 36'h0FFFFFFFF , + INST_ACCESS_MASK3 : 36'h0FFFFFFFF , + INST_ACCESS_MASK4 : 36'h0FFFFFFFF , + INST_ACCESS_MASK5 : 36'h0FFFFFFFF , + INST_ACCESS_MASK6 : 36'h0FFFFFFFF , + INST_ACCESS_MASK7 : 36'h0FFFFFFFF , + LOAD_TO_USE_PLUS1 : 5'h00 , + LSU2DMA : 5'h00 , + LSU_BUS_ID : 5'h01 , + LSU_BUS_PRTY : 6'h02 , + LSU_BUS_TAG : 8'h03 , + LSU_NUM_NBLOAD : 9'h004 , + LSU_NUM_NBLOAD_WIDTH : 7'h02 , + LSU_SB_BITS : 9'h00C , + LSU_STBUF_DEPTH : 8'h04 , + NO_ICCM_NO_ICACHE : 5'h00 , + PIC_2CYCLE : 5'h00 , + PIC_BASE_ADDR : 36'h0F00C0000 , + PIC_BITS : 9'h00F , + PIC_INT_WORDS : 8'h01 , + PIC_REGION : 8'h0F , + PIC_SIZE : 13'h0020 , + PIC_TOTAL_INT : 12'h01F , + PIC_TOTAL_INT_PLUS1 : 13'h0020 , + RET_STACK_SIZE : 8'h08 , + SB_BUS_ID : 5'h01 , + SB_BUS_PRTY : 6'h02 , + SB_BUS_TAG : 8'h01 , + TIMER_LEGAL_EN : 5'h01 +})( + input logic [pt.BTB_ADDR_HI:pt.BTB_ADDR_LO] hashin, + input logic [pt.BHT_GHR_SIZE-1:0] ghr, + output logic [pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] hash + ); + + // The hash function is too complex to write in verilog for all cases. + // The config script generates the logic string based on the bp config. + if(pt.BHT_GHR_HASH_1) begin : ghrhash_cfg1 + assign hash[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] = { ghr[pt.BHT_GHR_SIZE-1:pt.BTB_INDEX1_HI-1], hashin[pt.BTB_INDEX1_HI:2]^ghr[pt.BTB_INDEX1_HI-2:0]}; + end + else begin : ghrhash_cfg2 + assign hash[pt.BHT_ADDR_HI:pt.BHT_ADDR_LO] = { hashin[pt.BHT_GHR_SIZE+1:2]^ghr[pt.BHT_GHR_SIZE-1:0]}; + end + + +endmodule + +// SPDX-License-Identifier: Apache-2.0 +// Copyright 2020 MERL Corporation or its affiliates. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// all flops call the rvdff flop + +//// `include "common_defines.vh" +module rvdff #( parameter WIDTH=1, SHORT=0 ) + ( + input logic [WIDTH-1:0] din, + input logic clk, + input logic rst_l, + + output logic [WIDTH-1:0] dout + ); + +if (SHORT == 1) begin + assign dout = din; +end + + + always_ff @(posedge clk or negedge rst_l) begin + if (rst_l == 0) + dout[WIDTH-1:0] <= 0; + else + dout[WIDTH-1:0] <= din[WIDTH-1:0]; + end + +endmodule + +// rvdff with 2:1 input mux to flop din iff sel==1 +module rvdffs #( parameter WIDTH=1, SHORT=0 ) + ( + input logic [WIDTH-1:0] din, + input logic en, + input logic clk, + input logic rst_l, + output logic [WIDTH-1:0] dout + ); + +if (SHORT == 1) begin : genblock + assign dout = din; +end +else begin : genblock + rvdff #(WIDTH) dffs (.din((en) ? din[WIDTH-1:0] : dout[WIDTH-1:0]), .*); +end + +endmodule + +// rvdff with en and clear +module rvdffsc #( parameter WIDTH=1, SHORT=0 ) + ( + input logic [WIDTH-1:0] din, + input logic en, + input logic clear, + input logic clk, + input logic rst_l, + output logic [WIDTH-1:0] dout + ); + + logic [WIDTH-1:0] din_new; +if (SHORT == 1) begin + assign dout = din; +end +else begin + assign din_new = {WIDTH{~clear}} & (en ? din[WIDTH-1:0] : dout[WIDTH-1:0]); + rvdff #(WIDTH) dffsc (.din(din_new[WIDTH-1:0]), .*); +end +endmodule + +// _fpga versions +module rvdff_fpga #( parameter WIDTH=1, SHORT=0 ) + ( + input logic [WIDTH-1:0] din, + input logic clk, + input logic clken, + input logic rawclk, + input logic rst_l, + + output logic [WIDTH-1:0] dout + ); + +if (SHORT == 1) begin + assign dout = din; +end +else begin + rvdff #(WIDTH) dff (.*); +end +endmodule + +// rvdff with 2:1 input mux to flop din iff sel==1 +module rvdffs_fpga #( parameter WIDTH=1, SHORT=0 ) + ( + input logic [WIDTH-1:0] din, + input logic en, + input logic clk, + input logic clken, + input logic rawclk, + input logic rst_l, + + output logic [WIDTH-1:0] dout + ); + +if (SHORT == 1) begin : genblock + assign dout = din; +end +else begin : genblock + rvdffs #(WIDTH) dffs (.*); +end + +endmodule + +// rvdff with en and clear +module rvdffsc_fpga #( parameter WIDTH=1, SHORT=0 ) + ( + input logic [WIDTH-1:0] din, + input logic en, + input logic clear, + input logic clk, + input logic clken, + input logic rawclk, + input logic rst_l, + + output logic [WIDTH-1:0] dout + ); + + logic [WIDTH-1:0] din_new; +if (SHORT == 1) begin + assign dout = din; +end +else begin + rvdffsc #(WIDTH) dffsc (.*); +end +endmodule + + +module rvdffe #( parameter WIDTH=1, SHORT=0, OVERRIDE=0 ) + ( + input logic [WIDTH-1:0] din, + input logic en, + input logic clk, + input logic rst_l, + input logic scan_mode, + output logic [WIDTH-1:0] dout + ); + + logic l1clk; + +if (SHORT == 1) begin : genblock + if (1) begin : genblock + assign dout = din; + end +end +else begin : genblock + + rvclkhdr clkhdr ( .* ); + rvdff #(WIDTH) dff (.*, .clk(l1clk)); + +end // else: !if(SHORT == 1) + +endmodule // rvdffe + + +module rvdffpcie #( parameter WIDTH=31 ) + ( + input logic [WIDTH-1:0] din, + input logic clk, + input logic rst_l, + input logic en, + input logic scan_mode, + output logic [WIDTH-1:0] dout + ); + + + rvdfflie #(.WIDTH(WIDTH), .LEFT(19)) dff (.*); + +endmodule + +// format: { LEFT, EXTRA } +// LEFT # of bits will be done with rvdffie, all else EXTRA with rvdffe +module rvdfflie #( parameter WIDTH=16, LEFT=8 ) + ( + input logic [WIDTH-1:0] din, + input logic clk, + input logic rst_l, + input logic en, + input logic scan_mode, + output logic [WIDTH-1:0] dout + ); + + localparam EXTRA = WIDTH-LEFT; + localparam LMSB = WIDTH-1; + localparam LLSB = LMSB-LEFT+1; + localparam XMSB = LLSB-1; + localparam XLSB = LLSB-EXTRA; + + + + + rvdffiee #(LEFT) dff_left (.*, .din(din[LMSB:LLSB]), .dout(dout[LMSB:LLSB])); + + + rvdffe #(EXTRA) dff_extra (.*, .din(din[XMSB:XLSB]), .dout(dout[XMSB:XLSB])); + +endmodule + + + + +// special power flop for predict packet +// format: { LEFT, RIGHT==31 } +// LEFT # of bits will be done with rvdffe; RIGHT is enabled by LEFT[LSB] & en +module rvdffppe #( parameter WIDTH=32 ) + ( + input logic [WIDTH-1:0] din, + input logic clk, + input logic rst_l, + input logic en, + input logic scan_mode, + output logic [WIDTH-1:0] dout + ); + + localparam RIGHT = 31; + localparam LEFT = WIDTH - RIGHT; + + localparam LMSB = WIDTH-1; + localparam LLSB = LMSB-LEFT+1; + localparam RMSB = LLSB-1; + localparam RLSB = LLSB-RIGHT; + + + + + + rvdffe #(LEFT) dff_left (.*, .din(din[LMSB:LLSB]), .dout(dout[LMSB:LLSB])); + + rvdffe #(RIGHT) dff_right (.*, .din(din[RMSB:RLSB]), .dout(dout[RMSB:RLSB]), .en(en & din[LLSB])); // qualify with pret + +endmodule + + + + +module rvdffie #( parameter WIDTH=1, OVERRIDE=0 ) + ( + input logic [WIDTH-1:0] din, + + input logic clk, + input logic rst_l, + input logic scan_mode, + output logic [WIDTH-1:0] dout + ); + + logic l1clk; + logic en; + + + + + + + + + + assign en = |(din ^ dout); + + + rvclkhdr clkhdr ( .* ); + rvdff #(WIDTH) dff (.*, .clk(l1clk)); + + + + +endmodule + +// ie flop but it has an .en input +module rvdffiee #( parameter WIDTH=1, OVERRIDE=0 ) + ( + input logic [WIDTH-1:0] din, + + input logic clk, + input logic rst_l, + input logic scan_mode, + input logic en, + output logic [WIDTH-1:0] dout + ); + + logic l1clk; + logic final_en; + + + + assign final_en = (|(din ^ dout)) & en; + + + rvdffe #(WIDTH) dff (.*, .en(final_en)); + + + +endmodule + + + +module rvsyncss #(parameter WIDTH = 251) + ( + input logic clk, + input logic rst_l, + input logic [WIDTH-1:0] din, + output logic [WIDTH-1:0] dout + ); + + logic [WIDTH-1:0] din_ff1; + + rvdff #(WIDTH) sync_ff1 (.*, .din (din[WIDTH-1:0]), .dout(din_ff1[WIDTH-1:0])); + rvdff #(WIDTH) sync_ff2 (.*, .din (din_ff1[WIDTH-1:0]), .dout(dout[WIDTH-1:0])); + +endmodule // rvsyncss + +module rvsyncss_fpga #(parameter WIDTH = 251) + ( + input logic gw_clk, + input logic rawclk, + input logic clken, + input logic rst_l, + input logic [WIDTH-1:0] din, + output logic [WIDTH-1:0] dout + ); + + logic [WIDTH-1:0] din_ff1; + + rvdff_fpga #(WIDTH) sync_ff1 (.*, .clk(gw_clk), .rawclk(rawclk), .clken(clken), .din (din[WIDTH-1:0]), .dout(din_ff1[WIDTH-1:0])); + rvdff_fpga #(WIDTH) sync_ff2 (.*, .clk(gw_clk), .rawclk(rawclk), .clken(clken), .din (din_ff1[WIDTH-1:0]), .dout(dout[WIDTH-1:0])); + +endmodule // rvsyncss + +module rvlsadder + ( + input logic [31:0] rs1, + input logic [11:0] offset, + + output logic [31:0] dout + ); + + logic cout; + logic sign; + + logic [31:12] rs1_inc; + logic [31:12] rs1_dec; + + assign {cout,dout[11:0]} = {1'b0,rs1[11:0]} + {1'b0,offset[11:0]}; + + assign rs1_inc[31:12] = rs1[31:12] + 1; + + assign rs1_dec[31:12] = rs1[31:12] - 1; + + assign sign = offset[11]; + + assign dout[31:12] = ({20{ sign ^~ cout}} & rs1[31:12]) | + ({20{ ~sign & cout}} & rs1_inc[31:12]) | + ({20{ sign & ~cout}} & rs1_dec[31:12]); + +endmodule // rvlsadder + +// assume we only maintain pc[31:1] in the pipe + +module rvbradder + ( + input [31:1] pc, + input [12:1] offset, + + output [31:1] dout + ); + + logic cout; + logic sign; + + logic [31:13] pc_inc; + logic [31:13] pc_dec; + + assign {cout,dout[12:1]} = {1'b0,pc[12:1]} + {1'b0,offset[12:1]}; + + assign pc_inc[31:13] = pc[31:13] + 1; + + assign pc_dec[31:13] = pc[31:13] - 1; + + assign sign = offset[12]; + + + assign dout[31:13] = ({19{ sign ^~ cout}} & pc[31:13]) | + ({19{ ~sign & cout}} & pc_inc[31:13]) | + ({19{ sign & ~cout}} & pc_dec[31:13]); + + +endmodule // rvbradder + + +// 2s complement circuit +module rvtwoscomp #( parameter WIDTH=32 ) + ( + input logic [WIDTH-1:0] din, + + output logic [WIDTH-1:0] dout + ); + + logic [WIDTH-1:1] dout_temp; // holding for all other bits except for the lsb. LSB is always din + + genvar i; + + for ( i = 1; i < WIDTH; i++ ) begin : flip_after_first_one + assign dout_temp[i] = (|din[i-1:0]) ? ~din[i] : din[i]; + end : flip_after_first_one + + assign dout[WIDTH-1:0] = { dout_temp[WIDTH-1:1], din[0] }; + +endmodule // 2'scomp + +// find first +module rvfindfirst1 #( parameter WIDTH=32, SHIFT=$clog2(WIDTH) ) + ( + input logic [WIDTH-1:0] din, + + output logic [SHIFT-1:0] dout + ); + logic done; + + always_comb begin + dout[SHIFT-1:0] = {SHIFT{1'b0}}; + done = 1'b0; + + for ( int i = WIDTH-1; i > 0; i-- ) begin : find_first_one + done |= din[i]; + dout[SHIFT-1:0] += done ? 1'b0 : 1'b1; + end : find_first_one + end +endmodule // rvfindfirst1 + +module rvfindfirst1hot #( parameter WIDTH=32 ) + ( + input logic [WIDTH-1:0] din, + + output logic [WIDTH-1:0] dout + ); + logic done; + + always_comb begin + dout[WIDTH-1:0] = {WIDTH{1'b0}}; + done = 1'b0; + for ( int i = 0; i < WIDTH; i++ ) begin : find_first_one + dout[i] = ~done & din[i]; + done |= din[i]; + end : find_first_one + end +endmodule // rvfindfirst1hot + +// mask and match function matches bits after finding the first 0 position +// find first starting from LSB. Skip that location and match the rest of the bits +module rvmaskandmatch #( parameter WIDTH=32 ) + ( + input logic [WIDTH-1:0] mask, // this will have the mask in the lower bit positions + input logic [WIDTH-1:0] data, // this is what needs to be matched on the upper bits with the mask's upper bits + input logic masken, // when 1 : do mask. 0 : full match + output logic match + ); + + logic [WIDTH-1:0] matchvec; + logic masken_or_fullmask; + + assign masken_or_fullmask = masken & ~(&mask[WIDTH-1:0]); + + assign matchvec[0] = masken_or_fullmask | (mask[0] == data[0]); + genvar i; + + for ( i = 1; i < WIDTH; i++ ) begin : match_after_first_zero + assign matchvec[i] = (&mask[i-1:0] & masken_or_fullmask) ? 1'b1 : (mask[i] == data[i]); + end : match_after_first_zero + + assign match = &matchvec[WIDTH-1:0]; // all bits either matched or were masked off + +endmodule // rvmaskandmatch + + + + +// Check if the S_ADDR <= addr < E_ADDR +module rvrangecheck #(CCM_SADR = 32'h0, + CCM_SIZE = 128) ( + input logic [31:0] addr, // Address to be checked for range + output logic in_range, // S_ADDR <= start_addr < E_ADDR + output logic in_region +); + + localparam REGION_BITS = 4; + localparam MASK_BITS = 10 + $clog2(CCM_SIZE); + + logic [31:0] start_addr; + logic [3:0] region; + + assign start_addr[31:0] = CCM_SADR; + assign region[REGION_BITS-1:0] = start_addr[31:(32-REGION_BITS)]; + + assign in_region = (addr[31:(32-REGION_BITS)] == region[REGION_BITS-1:0]); + if (CCM_SIZE == 48) + assign in_range = (addr[31:MASK_BITS] == start_addr[31:MASK_BITS]) & ~(&addr[MASK_BITS-1 : MASK_BITS-2]); + else + assign in_range = (addr[31:MASK_BITS] == start_addr[31:MASK_BITS]); + +endmodule // rvrangechecker + +// 16 bit even parity generator +module rveven_paritygen #(WIDTH = 16) ( + input logic [WIDTH-1:0] data_in, // Data + output logic parity_out // generated even parity + ); + + assign parity_out = ^(data_in[WIDTH-1:0]) ; + +endmodule // rveven_paritygen + +module rveven_paritycheck #(WIDTH = 16) ( + input logic [WIDTH-1:0] data_in, // Data + input logic parity_in, + output logic parity_err // Parity error + ); + + assign parity_err = ^(data_in[WIDTH-1:0]) ^ parity_in ; + +endmodule // rveven_paritycheck + +module rvecc_encode ( + input [31:0] din, + output [6:0] ecc_out + ); +logic [5:0] ecc_out_temp; + + assign ecc_out_temp[0] = din[0]^din[1]^din[3]^din[4]^din[6]^din[8]^din[10]^din[11]^din[13]^din[15]^din[17]^din[19]^din[21]^din[23]^din[25]^din[26]^din[28]^din[30]; + assign ecc_out_temp[1] = din[0]^din[2]^din[3]^din[5]^din[6]^din[9]^din[10]^din[12]^din[13]^din[16]^din[17]^din[20]^din[21]^din[24]^din[25]^din[27]^din[28]^din[31]; + assign ecc_out_temp[2] = din[1]^din[2]^din[3]^din[7]^din[8]^din[9]^din[10]^din[14]^din[15]^din[16]^din[17]^din[22]^din[23]^din[24]^din[25]^din[29]^din[30]^din[31]; + assign ecc_out_temp[3] = din[4]^din[5]^din[6]^din[7]^din[8]^din[9]^din[10]^din[18]^din[19]^din[20]^din[21]^din[22]^din[23]^din[24]^din[25]; + assign ecc_out_temp[4] = din[11]^din[12]^din[13]^din[14]^din[15]^din[16]^din[17]^din[18]^din[19]^din[20]^din[21]^din[22]^din[23]^din[24]^din[25]; + assign ecc_out_temp[5] = din[26]^din[27]^din[28]^din[29]^din[30]^din[31]; + + assign ecc_out[6:0] = {(^din[31:0])^(^ecc_out_temp[5:0]),ecc_out_temp[5:0]}; + +endmodule // rvecc_encode + +module rvecc_decode ( + input en, + input [31:0] din, + input [6:0] ecc_in, + input sed_ded, // only do detection and no correction. Used for the I$ + output [31:0] dout, + output [6:0] ecc_out, + output single_ecc_error, + output double_ecc_error + + ); + + logic [6:0] ecc_check; + logic [38:0] error_mask; + logic [38:0] din_plus_parity, dout_plus_parity; + + // Generate the ecc bits + assign ecc_check[0] = ecc_in[0]^din[0]^din[1]^din[3]^din[4]^din[6]^din[8]^din[10]^din[11]^din[13]^din[15]^din[17]^din[19]^din[21]^din[23]^din[25]^din[26]^din[28]^din[30]; + assign ecc_check[1] = ecc_in[1]^din[0]^din[2]^din[3]^din[5]^din[6]^din[9]^din[10]^din[12]^din[13]^din[16]^din[17]^din[20]^din[21]^din[24]^din[25]^din[27]^din[28]^din[31]; + assign ecc_check[2] = ecc_in[2]^din[1]^din[2]^din[3]^din[7]^din[8]^din[9]^din[10]^din[14]^din[15]^din[16]^din[17]^din[22]^din[23]^din[24]^din[25]^din[29]^din[30]^din[31]; + assign ecc_check[3] = ecc_in[3]^din[4]^din[5]^din[6]^din[7]^din[8]^din[9]^din[10]^din[18]^din[19]^din[20]^din[21]^din[22]^din[23]^din[24]^din[25]; + assign ecc_check[4] = ecc_in[4]^din[11]^din[12]^din[13]^din[14]^din[15]^din[16]^din[17]^din[18]^din[19]^din[20]^din[21]^din[22]^din[23]^din[24]^din[25]; + assign ecc_check[5] = ecc_in[5]^din[26]^din[27]^din[28]^din[29]^din[30]^din[31]; + + // This is the parity bit + assign ecc_check[6] = ((^din[31:0])^(^ecc_in[6:0])) & ~sed_ded; + + assign single_ecc_error = en & (ecc_check[6:0] != 0) & ecc_check[6]; // this will never be on for sed_ded + assign double_ecc_error = en & (ecc_check[6:0] != 0) & ~ecc_check[6]; // all errors in the sed_ded case will be recorded as DE + + // Generate the mask for error correctiong + for (genvar i=1; i<40; i++) begin + assign error_mask[i-1] = (ecc_check[5:0] == i); + end + + // Generate the corrected data + assign din_plus_parity[38:0] = {ecc_in[6], din[31:26], ecc_in[5], din[25:11], ecc_in[4], din[10:4], ecc_in[3], din[3:1], ecc_in[2], din[0], ecc_in[1:0]}; + + assign dout_plus_parity[38:0] = single_ecc_error ? (error_mask[38:0] ^ din_plus_parity[38:0]) : din_plus_parity[38:0]; + assign dout[31:0] = {dout_plus_parity[37:32], dout_plus_parity[30:16], dout_plus_parity[14:8], dout_plus_parity[6:4], dout_plus_parity[2]}; + assign ecc_out[6:0] = {(dout_plus_parity[38] ^ (ecc_check[6:0] == 7'b1000000)), dout_plus_parity[31], dout_plus_parity[15], dout_plus_parity[7], dout_plus_parity[3], dout_plus_parity[1:0]}; + +endmodule // rvecc_decode + +module rvecc_encode_64 ( + input [63:0] din, + output [6:0] ecc_out + ); + assign ecc_out[0] = din[0]^din[1]^din[3]^din[4]^din[6]^din[8]^din[10]^din[11]^din[13]^din[15]^din[17]^din[19]^din[21]^din[23]^din[25]^din[26]^din[28]^din[30]^din[32]^din[34]^din[36]^din[38]^din[40]^din[42]^din[44]^din[46]^din[48]^din[50]^din[52]^din[54]^din[56]^din[57]^din[59]^din[61]^din[63]; + + assign ecc_out[1] = din[0]^din[2]^din[3]^din[5]^din[6]^din[9]^din[10]^din[12]^din[13]^din[16]^din[17]^din[20]^din[21]^din[24]^din[25]^din[27]^din[28]^din[31]^din[32]^din[35]^din[36]^din[39]^din[40]^din[43]^din[44]^din[47]^din[48]^din[51]^din[52]^din[55]^din[56]^din[58]^din[59]^din[62]^din[63]; + + assign ecc_out[2] = din[1]^din[2]^din[3]^din[7]^din[8]^din[9]^din[10]^din[14]^din[15]^din[16]^din[17]^din[22]^din[23]^din[24]^din[25]^din[29]^din[30]^din[31]^din[32]^din[37]^din[38]^din[39]^din[40]^din[45]^din[46]^din[47]^din[48]^din[53]^din[54]^din[55]^din[56]^din[60]^din[61]^din[62]^din[63]; + + assign ecc_out[3] = din[4]^din[5]^din[6]^din[7]^din[8]^din[9]^din[10]^din[18]^din[19]^din[20]^din[21]^din[22]^din[23]^din[24]^din[25]^din[33]^din[34]^din[35]^din[36]^din[37]^din[38]^din[39]^din[40]^din[49]^din[50]^din[51]^din[52]^din[53]^din[54]^din[55]^din[56]; + + assign ecc_out[4] = din[11]^din[12]^din[13]^din[14]^din[15]^din[16]^din[17]^din[18]^din[19]^din[20]^din[21]^din[22]^din[23]^din[24]^din[25]^din[41]^din[42]^din[43]^din[44]^din[45]^din[46]^din[47]^din[48]^din[49]^din[50]^din[51]^din[52]^din[53]^din[54]^din[55]^din[56]; + + assign ecc_out[5] = din[26]^din[27]^din[28]^din[29]^din[30]^din[31]^din[32]^din[33]^din[34]^din[35]^din[36]^din[37]^din[38]^din[39]^din[40]^din[41]^din[42]^din[43]^din[44]^din[45]^din[46]^din[47]^din[48]^din[49]^din[50]^din[51]^din[52]^din[53]^din[54]^din[55]^din[56]; + + assign ecc_out[6] = din[57]^din[58]^din[59]^din[60]^din[61]^din[62]^din[63]; + +endmodule // rvecc_encode_64 + + +module rvecc_decode_64 ( + input en, + input [63:0] din, + input [6:0] ecc_in, + output ecc_error + ); + + logic [6:0] ecc_check; + + // Generate the ecc bits + assign ecc_check[0] = ecc_in[0]^din[0]^din[1]^din[3]^din[4]^din[6]^din[8]^din[10]^din[11]^din[13]^din[15]^din[17]^din[19]^din[21]^din[23]^din[25]^din[26]^din[28]^din[30]^din[32]^din[34]^din[36]^din[38]^din[40]^din[42]^din[44]^din[46]^din[48]^din[50]^din[52]^din[54]^din[56]^din[57]^din[59]^din[61]^din[63]; + + assign ecc_check[1] = ecc_in[1]^din[0]^din[2]^din[3]^din[5]^din[6]^din[9]^din[10]^din[12]^din[13]^din[16]^din[17]^din[20]^din[21]^din[24]^din[25]^din[27]^din[28]^din[31]^din[32]^din[35]^din[36]^din[39]^din[40]^din[43]^din[44]^din[47]^din[48]^din[51]^din[52]^din[55]^din[56]^din[58]^din[59]^din[62]^din[63]; + + assign ecc_check[2] = ecc_in[2]^din[1]^din[2]^din[3]^din[7]^din[8]^din[9]^din[10]^din[14]^din[15]^din[16]^din[17]^din[22]^din[23]^din[24]^din[25]^din[29]^din[30]^din[31]^din[32]^din[37]^din[38]^din[39]^din[40]^din[45]^din[46]^din[47]^din[48]^din[53]^din[54]^din[55]^din[56]^din[60]^din[61]^din[62]^din[63]; + + assign ecc_check[3] = ecc_in[3]^din[4]^din[5]^din[6]^din[7]^din[8]^din[9]^din[10]^din[18]^din[19]^din[20]^din[21]^din[22]^din[23]^din[24]^din[25]^din[33]^din[34]^din[35]^din[36]^din[37]^din[38]^din[39]^din[40]^din[49]^din[50]^din[51]^din[52]^din[53]^din[54]^din[55]^din[56]; + + assign ecc_check[4] = ecc_in[4]^din[11]^din[12]^din[13]^din[14]^din[15]^din[16]^din[17]^din[18]^din[19]^din[20]^din[21]^din[22]^din[23]^din[24]^din[25]^din[41]^din[42]^din[43]^din[44]^din[45]^din[46]^din[47]^din[48]^din[49]^din[50]^din[51]^din[52]^din[53]^din[54]^din[55]^din[56]; + + assign ecc_check[5] = ecc_in[5]^din[26]^din[27]^din[28]^din[29]^din[30]^din[31]^din[32]^din[33]^din[34]^din[35]^din[36]^din[37]^din[38]^din[39]^din[40]^din[41]^din[42]^din[43]^din[44]^din[45]^din[46]^din[47]^din[48]^din[49]^din[50]^din[51]^din[52]^din[53]^din[54]^din[55]^din[56]; + + assign ecc_check[6] = ecc_in[6]^din[57]^din[58]^din[59]^din[60]^din[61]^din[62]^din[63]; + + assign ecc_error = en & (ecc_check[6:0] != 0); // all errors in the sed_ded case will be recorded as DE + + endmodule // rvecc_decode_64 + +// Skywater cell +//sky130_fd_sc_hd__dlclkp_1 CG( .CLK(clk), .GCLK(l1clk), .GATE(en_i | test_en_i)); + + +/*module `TEC_RV_ICG + ( + input logic SE, EN, CK, + output Q + ); + + logic en_ff; + logic enable; + + assign enable = EN | SE; + +`ifdef VERILATOR + always @(negedge CK) begin + en_ff <= enable; + end +`else + always @(CK, enable) begin + if(!CK) + en_ff = enable; + end +`endif + assign Q = CK & en_ff; + +endmodule +*/ + + +module rvclkhdr + ( + input logic en, + input logic clk, + input logic scan_mode, + output logic l1clk + ); + + logic SE; + assign SE = 0; + + sky130_fd_sc_hd__dlclkp_1 clkhdr( .CLK(clk), .GCLK(l1clk), .GATE(en)); /*clkhdr ( .*, .EN(en), .CK(clk), .Q(l1clk));*/ + +endmodule // rvclkhdr + + +module rvoclkhdr + ( + input logic en, + input logic clk, + input logic scan_mode, + output logic l1clk + ); + + logic SE; + assign SE = 0; + + + sky130_fd_sc_hd__dlclkp_1 clkhdr( .CLK(clk), .GCLK(l1clk), .GATE(en)); //clkhdr ( .*, .EN(en), .CK(clk), .Q(l1clk)); + + +endmodule + + + + + + + + +
diff --git a/verilog/rtl/BrqRV_EB1/design/BrqRV_EB1.v b/verilog/rtl/BrqRV_EB1/design/BrqRV_EB1.v new file mode 100644 index 0000000..21a6885 --- /dev/null +++ b/verilog/rtl/BrqRV_EB1/design/BrqRV_EB1.v
@@ -0,0 +1,22949 @@ +module eb1_brqrv_wrapper ( + vccd1, + vssd1, + clk, + rst_l, + dbg_rst_l, + rst_vec, + nmi_int, + nmi_vec, + jtag_id, + uart_rx, + trace_rv_i_insn_ip, + trace_rv_i_address_ip, + trace_rv_i_valid_ip, + trace_rv_i_exception_ip, + trace_rv_i_ecause_ip, + trace_rv_i_interrupt_ip, + trace_rv_i_tval_ip, + lsu_axi_awvalid, + lsu_axi_awready, + lsu_axi_awid, + lsu_axi_awaddr, + lsu_axi_awregion, + lsu_axi_awlen, + lsu_axi_awsize, + lsu_axi_awburst, + lsu_axi_awlock, + lsu_axi_awcache, + lsu_axi_awprot, + lsu_axi_awqos, + lsu_axi_wvalid, + lsu_axi_wready, + lsu_axi_wdata, + lsu_axi_wstrb, + lsu_axi_wlast, + lsu_axi_bvalid, + lsu_axi_bready, + lsu_axi_bresp, + lsu_axi_bid, + lsu_axi_arvalid, + lsu_axi_arready, + lsu_axi_arid, + lsu_axi_araddr, + lsu_axi_arregion, + lsu_axi_arlen, + lsu_axi_arsize, + lsu_axi_arburst, + lsu_axi_arlock, + lsu_axi_arcache, + lsu_axi_arprot, + lsu_axi_arqos, + lsu_axi_rvalid, + lsu_axi_rready, + lsu_axi_rid, + lsu_axi_rdata, + lsu_axi_rresp, + lsu_axi_rlast, + ifu_axi_awvalid, + ifu_axi_awready, + ifu_axi_awid, + ifu_axi_awaddr, + ifu_axi_awregion, + ifu_axi_awlen, + ifu_axi_awsize, + ifu_axi_awburst, + ifu_axi_awlock, + ifu_axi_awcache, + ifu_axi_awprot, + ifu_axi_awqos, + ifu_axi_wvalid, + ifu_axi_wready, + ifu_axi_wdata, + ifu_axi_wstrb, + ifu_axi_wlast, + ifu_axi_bvalid, + ifu_axi_bready, + ifu_axi_bresp, + ifu_axi_bid, + ifu_axi_arvalid, + ifu_axi_arready, + ifu_axi_arid, + ifu_axi_araddr, + ifu_axi_arregion, + ifu_axi_arlen, + ifu_axi_arsize, + ifu_axi_arburst, + ifu_axi_arlock, + ifu_axi_arcache, + ifu_axi_arprot, + ifu_axi_arqos, + ifu_axi_rvalid, + ifu_axi_rready, + ifu_axi_rid, + ifu_axi_rdata, + ifu_axi_rresp, + ifu_axi_rlast, + sb_axi_awvalid, + sb_axi_awready, + sb_axi_awid, + sb_axi_awaddr, + sb_axi_awregion, + sb_axi_awlen, + sb_axi_awsize, + sb_axi_awburst, + sb_axi_awlock, + sb_axi_awcache, + sb_axi_awprot, + sb_axi_awqos, + sb_axi_wvalid, + sb_axi_wready, + sb_axi_wdata, + sb_axi_wstrb, + sb_axi_wlast, + sb_axi_bvalid, + sb_axi_bready, + sb_axi_bresp, + sb_axi_bid, + sb_axi_arvalid, + sb_axi_arready, + sb_axi_arid, + sb_axi_araddr, + sb_axi_arregion, + sb_axi_arlen, + sb_axi_arsize, + sb_axi_arburst, + sb_axi_arlock, + sb_axi_arcache, + sb_axi_arprot, + sb_axi_arqos, + sb_axi_rvalid, + sb_axi_rready, + sb_axi_rid, + sb_axi_rdata, + sb_axi_rresp, + sb_axi_rlast, + dma_axi_awvalid, + dma_axi_awready, + dma_axi_awid, + dma_axi_awaddr, + dma_axi_awsize, + dma_axi_awprot, + dma_axi_awlen, + dma_axi_awburst, + dma_axi_wvalid, + dma_axi_wready, + dma_axi_wdata, + dma_axi_wstrb, + dma_axi_wlast, + dma_axi_bvalid, + dma_axi_bready, + dma_axi_bresp, + dma_axi_bid, + dma_axi_arvalid, + dma_axi_arready, + dma_axi_arid, + dma_axi_araddr, + dma_axi_arsize, + dma_axi_arprot, + dma_axi_arlen, + dma_axi_arburst, + dma_axi_rvalid, + dma_axi_rready, + dma_axi_rid, + dma_axi_rdata, + dma_axi_rresp, + dma_axi_rlast, + lsu_bus_clk_en, + ifu_bus_clk_en, + dbg_bus_clk_en, + dma_bus_clk_en, + dccm_ext_in_pkt, + iccm_ext_in_pkt, + ic_data_ext_in_pkt, + ic_tag_ext_in_pkt, + timer_int, + soft_int, + extintsrc_req, + dec_tlu_perfcnt0, + dec_tlu_perfcnt1, + dec_tlu_perfcnt2, + dec_tlu_perfcnt3, + jtag_tck, + jtag_tms, + jtag_tdi, + jtag_trst_n, + jtag_tdo, + core_id, + mpc_debug_halt_req, + mpc_debug_run_req, + mpc_reset_run_req, + mpc_debug_halt_ack, + mpc_debug_run_ack, + debug_brkpt_status, + i_cpu_halt_req, + o_cpu_halt_ack, + o_cpu_halt_status, + o_debug_mode_status, + i_cpu_run_req, + o_cpu_run_ack, + scan_mode, + mbist_mode, + CLKS_PER_BIT +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire vccd1; + input wire vssd1; + input wire clk; + input wire rst_l; + input wire dbg_rst_l; + input wire [31:1] rst_vec; + input wire nmi_int; + input wire [31:1] nmi_vec; + input wire [31:1] jtag_id; + input uart_rx; + output wire [31:0] trace_rv_i_insn_ip; + output wire [31:0] trace_rv_i_address_ip; + output wire trace_rv_i_valid_ip; + output wire trace_rv_i_exception_ip; + output wire [4:0] trace_rv_i_ecause_ip; + output wire trace_rv_i_interrupt_ip; + output wire [31:0] trace_rv_i_tval_ip; + output wire lsu_axi_awvalid; + input wire lsu_axi_awready; + output wire [pt[181-:8] - 1:0] lsu_axi_awid; + output wire [31:0] lsu_axi_awaddr; + output wire [3:0] lsu_axi_awregion; + output wire [7:0] lsu_axi_awlen; + output wire [2:0] lsu_axi_awsize; + output wire [1:0] lsu_axi_awburst; + output wire lsu_axi_awlock; + output wire [3:0] lsu_axi_awcache; + output wire [2:0] lsu_axi_awprot; + output wire [3:0] lsu_axi_awqos; + output wire lsu_axi_wvalid; + input wire lsu_axi_wready; + output wire [63:0] lsu_axi_wdata; + output wire [7:0] lsu_axi_wstrb; + output wire lsu_axi_wlast; + input wire lsu_axi_bvalid; + output wire lsu_axi_bready; + input wire [1:0] lsu_axi_bresp; + input wire [pt[181-:8] - 1:0] lsu_axi_bid; + output wire lsu_axi_arvalid; + input wire lsu_axi_arready; + output wire [pt[181-:8] - 1:0] lsu_axi_arid; + output wire [31:0] lsu_axi_araddr; + output wire [3:0] lsu_axi_arregion; + output wire [7:0] lsu_axi_arlen; + output wire [2:0] lsu_axi_arsize; + output wire [1:0] lsu_axi_arburst; + output wire lsu_axi_arlock; + output wire [3:0] lsu_axi_arcache; + output wire [2:0] lsu_axi_arprot; + output wire [3:0] lsu_axi_arqos; + input wire lsu_axi_rvalid; + output wire lsu_axi_rready; + input wire [pt[181-:8] - 1:0] lsu_axi_rid; + input wire [63:0] lsu_axi_rdata; + input wire [1:0] lsu_axi_rresp; + input wire lsu_axi_rlast; + output wire ifu_axi_awvalid; + input wire ifu_axi_awready; + output wire [pt[826-:8] - 1:0] ifu_axi_awid; + output wire [31:0] ifu_axi_awaddr; + output wire [3:0] ifu_axi_awregion; + output wire [7:0] ifu_axi_awlen; + output wire [2:0] ifu_axi_awsize; + output wire [1:0] ifu_axi_awburst; + output wire ifu_axi_awlock; + output wire [3:0] ifu_axi_awcache; + output wire [2:0] ifu_axi_awprot; + output wire [3:0] ifu_axi_awqos; + output wire ifu_axi_wvalid; + input wire ifu_axi_wready; + output wire [63:0] ifu_axi_wdata; + output wire [7:0] ifu_axi_wstrb; + output wire ifu_axi_wlast; + input wire ifu_axi_bvalid; + output wire ifu_axi_bready; + input wire [1:0] ifu_axi_bresp; + input wire [pt[826-:8] - 1:0] ifu_axi_bid; + output wire ifu_axi_arvalid; + input wire ifu_axi_arready; + output wire [pt[826-:8] - 1:0] ifu_axi_arid; + output wire [31:0] ifu_axi_araddr; + output wire [3:0] ifu_axi_arregion; + output wire [7:0] ifu_axi_arlen; + output wire [2:0] ifu_axi_arsize; + output wire [1:0] ifu_axi_arburst; + output wire ifu_axi_arlock; + output wire [3:0] ifu_axi_arcache; + output wire [2:0] ifu_axi_arprot; + output wire [3:0] ifu_axi_arqos; + input wire ifu_axi_rvalid; + output wire ifu_axi_rready; + input wire [pt[826-:8] - 1:0] ifu_axi_rid; + input wire [63:0] ifu_axi_rdata; + input wire [1:0] ifu_axi_rresp; + input wire ifu_axi_rlast; + output wire sb_axi_awvalid; + input wire sb_axi_awready; + output wire [pt[12-:8] - 1:0] sb_axi_awid; + output wire [31:0] sb_axi_awaddr; + output wire [3:0] sb_axi_awregion; + output wire [7:0] sb_axi_awlen; + output wire [2:0] sb_axi_awsize; + output wire [1:0] sb_axi_awburst; + output wire sb_axi_awlock; + output wire [3:0] sb_axi_awcache; + output wire [2:0] sb_axi_awprot; + output wire [3:0] sb_axi_awqos; + output wire sb_axi_wvalid; + input wire sb_axi_wready; + output wire [63:0] sb_axi_wdata; + output wire [7:0] sb_axi_wstrb; + output wire sb_axi_wlast; + input wire sb_axi_bvalid; + output wire sb_axi_bready; + input wire [1:0] sb_axi_bresp; + input wire [pt[12-:8] - 1:0] sb_axi_bid; + output wire sb_axi_arvalid; + input wire sb_axi_arready; + output wire [pt[12-:8] - 1:0] sb_axi_arid; + output wire [31:0] sb_axi_araddr; + output wire [3:0] sb_axi_arregion; + output wire [7:0] sb_axi_arlen; + output wire [2:0] sb_axi_arsize; + output wire [1:0] sb_axi_arburst; + output wire sb_axi_arlock; + output wire [3:0] sb_axi_arcache; + output wire [2:0] sb_axi_arprot; + output wire [3:0] sb_axi_arqos; + input wire sb_axi_rvalid; + output wire sb_axi_rready; + input wire [pt[12-:8] - 1:0] sb_axi_rid; + input wire [63:0] sb_axi_rdata; + input wire [1:0] sb_axi_rresp; + input wire sb_axi_rlast; + input wire dma_axi_awvalid; + output wire dma_axi_awready; + input wire [pt[1235-:8] - 1:0] dma_axi_awid; + input wire [31:0] dma_axi_awaddr; + input wire [2:0] dma_axi_awsize; + input wire [2:0] dma_axi_awprot; + input wire [7:0] dma_axi_awlen; + input wire [1:0] dma_axi_awburst; + input wire dma_axi_wvalid; + output wire dma_axi_wready; + input wire [63:0] dma_axi_wdata; + input wire [7:0] dma_axi_wstrb; + input wire dma_axi_wlast; + output wire dma_axi_bvalid; + input wire dma_axi_bready; + output wire [1:0] dma_axi_bresp; + output wire [pt[1235-:8] - 1:0] dma_axi_bid; + input wire dma_axi_arvalid; + output wire dma_axi_arready; + input wire [pt[1235-:8] - 1:0] dma_axi_arid; + input wire [31:0] dma_axi_araddr; + input wire [2:0] dma_axi_arsize; + input wire [2:0] dma_axi_arprot; + input wire [7:0] dma_axi_arlen; + input wire [1:0] dma_axi_arburst; + output wire dma_axi_rvalid; + input wire dma_axi_rready; + output wire [pt[1235-:8] - 1:0] dma_axi_rid; + output wire [63:0] dma_axi_rdata; + output wire [1:0] dma_axi_rresp; + output wire dma_axi_rlast; + input wire lsu_bus_clk_en; + input wire ifu_bus_clk_en; + input wire dbg_bus_clk_en; + input wire dma_bus_clk_en; + input wire [(pt[1342-:9] * 12) - 1:0] dccm_ext_in_pkt; + input wire [(pt[909-:9] * 12) - 1:0] iccm_ext_in_pkt; + input wire [((pt[1060-:7] * pt[1189-:7]) * 12) - 1:0] ic_data_ext_in_pkt; + input wire [(pt[1060-:7] * 12) - 1:0] ic_tag_ext_in_pkt; + input wire timer_int; + input wire soft_int; + input wire [pt[56-:12]:1] extintsrc_req; + output wire dec_tlu_perfcnt0; + output wire dec_tlu_perfcnt1; + output wire dec_tlu_perfcnt2; + output wire dec_tlu_perfcnt3; + input wire jtag_tck; + input wire jtag_tms; + input wire jtag_tdi; + input wire jtag_trst_n; + output wire jtag_tdo; + input wire [31:4] core_id; + input wire mpc_debug_halt_req; + input wire mpc_debug_run_req; + input wire mpc_reset_run_req; + output wire mpc_debug_halt_ack; + output wire mpc_debug_run_ack; + output wire debug_brkpt_status; + input wire i_cpu_halt_req; + output wire o_cpu_halt_ack; + output wire o_cpu_halt_status; + output wire o_debug_mode_status; + input wire i_cpu_run_req; + output wire o_cpu_run_ack; + input wire scan_mode; + input wire mbist_mode; + input [15:0] CLKS_PER_BIT; + wire active_l2clk; + wire free_l2clk; + wire dccm_wren; + wire dccm_rden; + wire [pt[1398-:9] - 1:0] dccm_wr_addr_lo; + wire [pt[1398-:9] - 1:0] dccm_wr_addr_hi; + wire [pt[1398-:9] - 1:0] dccm_rd_addr_lo; + wire [pt[1398-:9] - 1:0] dccm_rd_addr_hi; + wire [pt[1360-:10] - 1:0] dccm_wr_data_lo; + wire [pt[1360-:10] - 1:0] dccm_wr_data_hi; + wire [pt[1360-:10] - 1:0] dccm_rd_data_lo; + wire [pt[1360-:10] - 1:0] dccm_rd_data_hi; + wire [31:1] ic_rw_addr; + wire [pt[1060-:7] - 1:0] ic_wr_en; + wire ic_rd_en; + wire [pt[1060-:7] - 1:0] ic_tag_valid; + wire [pt[1060-:7] - 1:0] ic_rd_hit; + wire ic_tag_perr; + wire [pt[1104-:9]:3] ic_debug_addr; + wire ic_debug_rd_en; + wire ic_debug_wr_en; + wire ic_debug_tag_array; + wire [pt[1060-:7] - 1:0] ic_debug_way; + wire [25:0] ictag_debug_rd_data; + wire [(pt[1189-:7] * 71) - 1:0] ic_wr_data; + wire [63:0] ic_rd_data; + wire [70:0] ic_debug_rd_data; + wire [70:0] ic_debug_wr_data; + wire [pt[1189-:7] - 1:0] ic_eccerr; + wire [pt[1189-:7] - 1:0] ic_parerr; + wire [63:0] ic_premux_data; + wire ic_sel_premux_data; + wire [pt[936-:9] - 1:1] iccm_rw_addr; + wire iccm_wren; + wire iccm_rden; + wire [2:0] iccm_wr_size; + wire [77:0] iccm_wr_data; + wire iccm_buf_correct_ecc; + wire iccm_correction_state; + wire [63:0] iccm_rd_data; + wire [77:0] iccm_rd_data_ecc; + wire core_rst; + wire core_rst_l; + wire jtag_tdoEn; + wire dccm_clk_override; + wire icm_clk_override; + wire dec_tlu_core_ecc_disable; + wire [31:0] haddr; + wire [2:0] hburst; + wire hmastlock; + wire [3:0] hprot; + wire [2:0] hsize; + wire [1:0] htrans; + wire hwrite; + wire [63:0] hrdata; + wire hready; + wire hresp; + wire [31:0] lsu_haddr; + wire [2:0] lsu_hburst; + wire lsu_hmastlock; + wire [3:0] lsu_hprot; + wire [2:0] lsu_hsize; + wire [1:0] lsu_htrans; + wire lsu_hwrite; + wire [63:0] lsu_hwdata; + wire [63:0] lsu_hrdata; + wire lsu_hready; + wire lsu_hresp; + wire [31:0] sb_haddr; + wire [2:0] sb_hburst; + wire sb_hmastlock; + wire [3:0] sb_hprot; + wire [2:0] sb_hsize; + wire [1:0] sb_htrans; + wire sb_hwrite; + wire [63:0] sb_hwdata; + wire [63:0] sb_hrdata; + wire sb_hready; + wire sb_hresp; + wire dma_hsel; + wire [31:0] dma_haddr; + wire [2:0] dma_hburst; + wire dma_hmastlock; + wire [3:0] dma_hprot; + wire [2:0] dma_hsize; + wire [1:0] dma_htrans; + wire dma_hwrite; + wire [63:0] dma_hwdata; + wire dma_hreadyin; + wire [63:0] dma_hrdata; + wire dma_hreadyout; + wire dma_hresp; + assign hrdata[63:0] = {64 {1'sb0}}; + assign hready = 1'b0; + assign hresp = 1'b0; + assign lsu_hrdata[63:0] = {64 {1'sb0}}; + assign lsu_hready = 1'b0; + assign lsu_hresp = 1'b0; + assign sb_hrdata[63:0] = {64 {1'sb0}}; + assign sb_hready = 1'b0; + assign sb_hresp = 1'b0; + assign dma_hsel = 1'b0; + assign dma_haddr[31:0] = {32 {1'sb0}}; + assign dma_hburst[2:0] = {3 {1'sb0}}; + assign dma_hmastlock = 1'b0; + assign dma_hprot[3:0] = {4 {1'sb0}}; + assign dma_hsize[2:0] = {3 {1'sb0}}; + assign dma_htrans[1:0] = {2 {1'sb0}}; + assign dma_hwrite = 1'b0; + assign dma_hwdata[63:0] = {64 {1'sb0}}; + assign dma_hreadyin = 1'b0; + wire dmi_reg_en; + wire [6:0] dmi_reg_addr; + wire dmi_reg_wr_en; + wire [31:0] dmi_reg_wdata; + wire [31:0] dmi_reg_rdata; + wire rx_dv_i; + wire [7:0] rx_byte_i; + wire iccm_instr_we; + wire [13:0] iccm_instr_addr; + wire [31:0] iccm_instr_wdata; + eb1_brqrv #(.pt(pt)) brqrv( + .clk(clk), + .rst_l(core_rst), + .dbg_rst_l(dbg_rst_l), + .rst_vec(rst_vec), + .nmi_int(nmi_int), + .nmi_vec(nmi_vec), + .core_rst_l(core_rst_l), + .active_l2clk(active_l2clk), + .free_l2clk(free_l2clk), + .trace_rv_i_insn_ip(trace_rv_i_insn_ip), + .trace_rv_i_address_ip(trace_rv_i_address_ip), + .trace_rv_i_valid_ip(trace_rv_i_valid_ip), + .trace_rv_i_exception_ip(trace_rv_i_exception_ip), + .trace_rv_i_ecause_ip(trace_rv_i_ecause_ip), + .trace_rv_i_interrupt_ip(trace_rv_i_interrupt_ip), + .trace_rv_i_tval_ip(trace_rv_i_tval_ip), + .dccm_clk_override(dccm_clk_override), + .icm_clk_override(icm_clk_override), + .dec_tlu_core_ecc_disable(dec_tlu_core_ecc_disable), + .i_cpu_halt_req(i_cpu_halt_req), + .i_cpu_run_req(i_cpu_run_req), + .o_cpu_halt_ack(o_cpu_halt_ack), + .o_cpu_halt_status(o_cpu_halt_status), + .o_cpu_run_ack(o_cpu_run_ack), + .o_debug_mode_status(o_debug_mode_status), + .core_id(core_id), + .mpc_debug_halt_req(mpc_debug_halt_req), + .mpc_debug_run_req(mpc_debug_run_req), + .mpc_reset_run_req(mpc_reset_run_req), + .mpc_debug_halt_ack(mpc_debug_halt_ack), + .mpc_debug_run_ack(mpc_debug_run_ack), + .debug_brkpt_status(debug_brkpt_status), + .dec_tlu_perfcnt0(dec_tlu_perfcnt0), + .dec_tlu_perfcnt1(dec_tlu_perfcnt1), + .dec_tlu_perfcnt2(dec_tlu_perfcnt2), + .dec_tlu_perfcnt3(dec_tlu_perfcnt3), + .dccm_wren(dccm_wren), + .dccm_rden(dccm_rden), + .dccm_wr_addr_lo(dccm_wr_addr_lo), + .dccm_wr_addr_hi(dccm_wr_addr_hi), + .dccm_rd_addr_lo(dccm_rd_addr_lo), + .dccm_rd_addr_hi(dccm_rd_addr_hi), + .dccm_wr_data_lo(dccm_wr_data_lo), + .dccm_wr_data_hi(dccm_wr_data_hi), + .dccm_rd_data_lo(dccm_rd_data_lo), + .dccm_rd_data_hi(dccm_rd_data_hi), + .iccm_rw_addr(iccm_rw_addr), + .iccm_wren(iccm_wren), + .iccm_rden(iccm_rden), + .iccm_wr_size(iccm_wr_size), + .iccm_wr_data(iccm_wr_data), + .iccm_buf_correct_ecc(iccm_buf_correct_ecc), + .iccm_correction_state(iccm_correction_state), + .iccm_rd_data(iccm_rd_data), + .iccm_rd_data_ecc(iccm_rd_data_ecc), + .ic_rw_addr(ic_rw_addr), + .ic_tag_valid(ic_tag_valid), + .ic_wr_en(ic_wr_en), + .ic_rd_en(ic_rd_en), + .ic_wr_data(ic_wr_data), + .ic_rd_data(ic_rd_data), + .ic_debug_rd_data(ic_debug_rd_data), + .ictag_debug_rd_data(ictag_debug_rd_data), + .ic_debug_wr_data(ic_debug_wr_data), + .ic_eccerr(ic_eccerr), + .ic_parerr(ic_parerr), + .ic_premux_data(ic_premux_data), + .ic_sel_premux_data(ic_sel_premux_data), + .ic_debug_addr(ic_debug_addr), + .ic_debug_rd_en(ic_debug_rd_en), + .ic_debug_wr_en(ic_debug_wr_en), + .ic_debug_tag_array(ic_debug_tag_array), + .ic_debug_way(ic_debug_way), + .ic_rd_hit(ic_rd_hit), + .ic_tag_perr(ic_tag_perr), + .lsu_axi_awvalid(lsu_axi_awvalid), + .lsu_axi_awready(lsu_axi_awready), + .lsu_axi_awid(lsu_axi_awid), + .lsu_axi_awaddr(lsu_axi_awaddr), + .lsu_axi_awregion(lsu_axi_awregion), + .lsu_axi_awlen(lsu_axi_awlen), + .lsu_axi_awsize(lsu_axi_awsize), + .lsu_axi_awburst(lsu_axi_awburst), + .lsu_axi_awlock(lsu_axi_awlock), + .lsu_axi_awcache(lsu_axi_awcache), + .lsu_axi_awprot(lsu_axi_awprot), + .lsu_axi_awqos(lsu_axi_awqos), + .lsu_axi_wvalid(lsu_axi_wvalid), + .lsu_axi_wready(lsu_axi_wready), + .lsu_axi_wdata(lsu_axi_wdata), + .lsu_axi_wstrb(lsu_axi_wstrb), + .lsu_axi_wlast(lsu_axi_wlast), + .lsu_axi_bvalid(lsu_axi_bvalid), + .lsu_axi_bready(lsu_axi_bready), + .lsu_axi_bresp(lsu_axi_bresp), + .lsu_axi_bid(lsu_axi_bid), + .lsu_axi_arvalid(lsu_axi_arvalid), + .lsu_axi_arready(lsu_axi_arready), + .lsu_axi_arid(lsu_axi_arid), + .lsu_axi_araddr(lsu_axi_araddr), + .lsu_axi_arregion(lsu_axi_arregion), + .lsu_axi_arlen(lsu_axi_arlen), + .lsu_axi_arsize(lsu_axi_arsize), + .lsu_axi_arburst(lsu_axi_arburst), + .lsu_axi_arlock(lsu_axi_arlock), + .lsu_axi_arcache(lsu_axi_arcache), + .lsu_axi_arprot(lsu_axi_arprot), + .lsu_axi_arqos(lsu_axi_arqos), + .lsu_axi_rvalid(lsu_axi_rvalid), + .lsu_axi_rready(lsu_axi_rready), + .lsu_axi_rid(lsu_axi_rid), + .lsu_axi_rdata(lsu_axi_rdata), + .lsu_axi_rresp(lsu_axi_rresp), + .lsu_axi_rlast(lsu_axi_rlast), + .ifu_axi_awvalid(ifu_axi_awvalid), + .ifu_axi_awready(ifu_axi_awready), + .ifu_axi_awid(ifu_axi_awid), + .ifu_axi_awaddr(ifu_axi_awaddr), + .ifu_axi_awregion(ifu_axi_awregion), + .ifu_axi_awlen(ifu_axi_awlen), + .ifu_axi_awsize(ifu_axi_awsize), + .ifu_axi_awburst(ifu_axi_awburst), + .ifu_axi_awlock(ifu_axi_awlock), + .ifu_axi_awcache(ifu_axi_awcache), + .ifu_axi_awprot(ifu_axi_awprot), + .ifu_axi_awqos(ifu_axi_awqos), + .ifu_axi_wvalid(ifu_axi_wvalid), + .ifu_axi_wready(ifu_axi_wready), + .ifu_axi_wdata(ifu_axi_wdata), + .ifu_axi_wstrb(ifu_axi_wstrb), + .ifu_axi_wlast(ifu_axi_wlast), + .ifu_axi_bvalid(ifu_axi_bvalid), + .ifu_axi_bready(ifu_axi_bready), + .ifu_axi_bresp(ifu_axi_bresp), + .ifu_axi_bid(ifu_axi_bid), + .ifu_axi_arvalid(ifu_axi_arvalid), + .ifu_axi_arready(ifu_axi_arready), + .ifu_axi_arid(ifu_axi_arid), + .ifu_axi_araddr(ifu_axi_araddr), + .ifu_axi_arregion(ifu_axi_arregion), + .ifu_axi_arlen(ifu_axi_arlen), + .ifu_axi_arsize(ifu_axi_arsize), + .ifu_axi_arburst(ifu_axi_arburst), + .ifu_axi_arlock(ifu_axi_arlock), + .ifu_axi_arcache(ifu_axi_arcache), + .ifu_axi_arprot(ifu_axi_arprot), + .ifu_axi_arqos(ifu_axi_arqos), + .ifu_axi_rvalid(ifu_axi_rvalid), + .ifu_axi_rready(ifu_axi_rready), + .ifu_axi_rid(ifu_axi_rid), + .ifu_axi_rdata(ifu_axi_rdata), + .ifu_axi_rresp(ifu_axi_rresp), + .ifu_axi_rlast(ifu_axi_rlast), + .sb_axi_awvalid(sb_axi_awvalid), + .sb_axi_awready(sb_axi_awready), + .sb_axi_awid(sb_axi_awid), + .sb_axi_awaddr(sb_axi_awaddr), + .sb_axi_awregion(sb_axi_awregion), + .sb_axi_awlen(sb_axi_awlen), + .sb_axi_awsize(sb_axi_awsize), + .sb_axi_awburst(sb_axi_awburst), + .sb_axi_awlock(sb_axi_awlock), + .sb_axi_awcache(sb_axi_awcache), + .sb_axi_awprot(sb_axi_awprot), + .sb_axi_awqos(sb_axi_awqos), + .sb_axi_wvalid(sb_axi_wvalid), + .sb_axi_wready(sb_axi_wready), + .sb_axi_wdata(sb_axi_wdata), + .sb_axi_wstrb(sb_axi_wstrb), + .sb_axi_wlast(sb_axi_wlast), + .sb_axi_bvalid(sb_axi_bvalid), + .sb_axi_bready(sb_axi_bready), + .sb_axi_bresp(sb_axi_bresp), + .sb_axi_bid(sb_axi_bid), + .sb_axi_arvalid(sb_axi_arvalid), + .sb_axi_arready(sb_axi_arready), + .sb_axi_arid(sb_axi_arid), + .sb_axi_araddr(sb_axi_araddr), + .sb_axi_arregion(sb_axi_arregion), + .sb_axi_arlen(sb_axi_arlen), + .sb_axi_arsize(sb_axi_arsize), + .sb_axi_arburst(sb_axi_arburst), + .sb_axi_arlock(sb_axi_arlock), + .sb_axi_arcache(sb_axi_arcache), + .sb_axi_arprot(sb_axi_arprot), + .sb_axi_arqos(sb_axi_arqos), + .sb_axi_rvalid(sb_axi_rvalid), + .sb_axi_rready(sb_axi_rready), + .sb_axi_rid(sb_axi_rid), + .sb_axi_rdata(sb_axi_rdata), + .sb_axi_rresp(sb_axi_rresp), + .sb_axi_rlast(sb_axi_rlast), + .dma_axi_awvalid(dma_axi_awvalid), + .dma_axi_awready(dma_axi_awready), + .dma_axi_awid(dma_axi_awid), + .dma_axi_awaddr(dma_axi_awaddr), + .dma_axi_awsize(dma_axi_awsize), + .dma_axi_awprot(dma_axi_awprot), + .dma_axi_awlen(dma_axi_awlen), + .dma_axi_awburst(dma_axi_awburst), + .dma_axi_wvalid(dma_axi_wvalid), + .dma_axi_wready(dma_axi_wready), + .dma_axi_wdata(dma_axi_wdata), + .dma_axi_wstrb(dma_axi_wstrb), + .dma_axi_wlast(dma_axi_wlast), + .dma_axi_bvalid(dma_axi_bvalid), + .dma_axi_bready(dma_axi_bready), + .dma_axi_bresp(dma_axi_bresp), + .dma_axi_bid(dma_axi_bid), + .dma_axi_arvalid(dma_axi_arvalid), + .dma_axi_arready(dma_axi_arready), + .dma_axi_arid(dma_axi_arid), + .dma_axi_araddr(dma_axi_araddr), + .dma_axi_arsize(dma_axi_arsize), + .dma_axi_arprot(dma_axi_arprot), + .dma_axi_arlen(dma_axi_arlen), + .dma_axi_arburst(dma_axi_arburst), + .dma_axi_rvalid(dma_axi_rvalid), + .dma_axi_rready(dma_axi_rready), + .dma_axi_rid(dma_axi_rid), + .dma_axi_rdata(dma_axi_rdata), + .dma_axi_rresp(dma_axi_rresp), + .dma_axi_rlast(dma_axi_rlast), + .haddr(haddr), + .hburst(hburst), + .hmastlock(hmastlock), + .hprot(hprot), + .hsize(hsize), + .htrans(htrans), + .hwrite(hwrite), + .hrdata(hrdata), + .hready(hready), + .hresp(hresp), + .lsu_haddr(lsu_haddr), + .lsu_hburst(lsu_hburst), + .lsu_hmastlock(lsu_hmastlock), + .lsu_hprot(lsu_hprot), + .lsu_hsize(lsu_hsize), + .lsu_htrans(lsu_htrans), + .lsu_hwrite(lsu_hwrite), + .lsu_hwdata(lsu_hwdata), + .lsu_hrdata(lsu_hrdata), + .lsu_hready(lsu_hready), + .lsu_hresp(lsu_hresp), + .sb_haddr(sb_haddr), + .sb_hburst(sb_hburst), + .sb_hmastlock(sb_hmastlock), + .sb_hprot(sb_hprot), + .sb_hsize(sb_hsize), + .sb_htrans(sb_htrans), + .sb_hwrite(sb_hwrite), + .sb_hwdata(sb_hwdata), + .sb_hrdata(sb_hrdata), + .sb_hready(sb_hready), + .sb_hresp(sb_hresp), + .dma_hsel(dma_hsel), + .dma_haddr(dma_haddr), + .dma_hburst(dma_hburst), + .dma_hmastlock(dma_hmastlock), + .dma_hprot(dma_hprot), + .dma_hsize(dma_hsize), + .dma_htrans(dma_htrans), + .dma_hwrite(dma_hwrite), + .dma_hwdata(dma_hwdata), + .dma_hreadyin(dma_hreadyin), + .dma_hrdata(dma_hrdata), + .dma_hreadyout(dma_hreadyout), + .dma_hresp(dma_hresp), + .lsu_bus_clk_en(lsu_bus_clk_en), + .ifu_bus_clk_en(ifu_bus_clk_en), + .dbg_bus_clk_en(dbg_bus_clk_en), + .dma_bus_clk_en(dma_bus_clk_en), + .dmi_reg_en(dmi_reg_en), + .dmi_reg_addr(dmi_reg_addr), + .dmi_reg_wr_en(dmi_reg_wr_en), + .dmi_reg_wdata(dmi_reg_wdata), + .dmi_reg_rdata(dmi_reg_rdata), + .extintsrc_req(extintsrc_req), + .timer_int(timer_int), + .soft_int(soft_int), + .scan_mode(scan_mode) + ); + eb1_mem #(.pt(pt)) mem( + .clk(active_l2clk), + .rst_l(rst_l), + .iccm_rw_addr((core_rst ? iccm_rw_addr : iccm_instr_addr[10:0])), + .iccm_wren((core_rst ? iccm_wren : iccm_instr_we)), + .iccm_wr_data((core_rst ? iccm_wr_data : {7'h00, iccm_instr_wdata, 7'h00, iccm_instr_wdata})), + .iccm_wr_size((core_rst ? iccm_wr_size : 3'b010)), + .vccd1(vccd1), + .vssd1(vssd1), + .dccm_clk_override(dccm_clk_override), + .icm_clk_override(icm_clk_override), + .dec_tlu_core_ecc_disable(dec_tlu_core_ecc_disable), + .dccm_wren(dccm_wren), + .dccm_rden(dccm_rden), + .dccm_wr_addr_lo(dccm_wr_addr_lo), + .dccm_wr_addr_hi(dccm_wr_addr_hi), + .dccm_rd_addr_lo(dccm_rd_addr_lo), + .dccm_rd_addr_hi(dccm_rd_addr_hi), + .dccm_wr_data_lo(dccm_wr_data_lo), + .dccm_wr_data_hi(dccm_wr_data_hi), + .dccm_rd_data_lo(dccm_rd_data_lo), + .dccm_rd_data_hi(dccm_rd_data_hi), + .dccm_ext_in_pkt(dccm_ext_in_pkt), + .iccm_ext_in_pkt(iccm_ext_in_pkt), + .iccm_buf_correct_ecc(iccm_buf_correct_ecc), + .iccm_correction_state(iccm_correction_state), + .iccm_rden(iccm_rden), + .iccm_rd_data(iccm_rd_data), + .iccm_rd_data_ecc(iccm_rd_data_ecc), + .ic_rw_addr(ic_rw_addr), + .ic_tag_valid(ic_tag_valid), + .ic_wr_en(ic_wr_en), + .ic_rd_en(ic_rd_en), + .ic_premux_data(ic_premux_data), + .ic_sel_premux_data(ic_sel_premux_data), + .ic_data_ext_in_pkt(ic_data_ext_in_pkt), + .ic_tag_ext_in_pkt(ic_tag_ext_in_pkt), + .ic_wr_data(ic_wr_data), + .ic_debug_wr_data(ic_debug_wr_data), + .ic_debug_rd_data(ic_debug_rd_data), + .ic_debug_addr(ic_debug_addr), + .ic_debug_rd_en(ic_debug_rd_en), + .ic_debug_wr_en(ic_debug_wr_en), + .ic_debug_tag_array(ic_debug_tag_array), + .ic_debug_way(ic_debug_way), + .ic_rd_data(ic_rd_data), + .ictag_debug_rd_data(ictag_debug_rd_data), + .ic_eccerr(ic_eccerr), + .ic_parerr(ic_parerr), + .ic_rd_hit(ic_rd_hit), + .ic_tag_perr(ic_tag_perr), + .scan_mode(scan_mode) + ); + eb1_iccm_controller iccm_controller( + .clk_i(clk), + .rst_ni(rst_l), + .rx_dv_i(rx_dv_i), + .rx_byte_i(rx_byte_i), + .we_o(iccm_instr_we), + .addr_o(iccm_instr_addr), + .wdata_o(iccm_instr_wdata), + .reset_o(core_rst) + ); + eb1_uart_rx_prog uart_rx_m( + .i_Clock(clk), + .rst_ni(rst_l), + .i_Rx_Serial(uart_rx), + .CLKS_PER_BIT(CLKS_PER_BIT), + .o_Rx_DV(rx_dv_i), + .o_Rx_Byte(rx_byte_i) + ); + dmi_wrapper dmi_wrapper( + .trst_n(jtag_trst_n), + .tck(jtag_tck), + .tms(jtag_tms), + .tdi(jtag_tdi), + .tdo(jtag_tdo), + .tdoEnable(), + .core_rst_n(dbg_rst_l), + .core_clk(clk), + .jtag_id(jtag_id), + .rd_data(dmi_reg_rdata), + .reg_wr_data(dmi_reg_wdata), + .reg_wr_addr(dmi_reg_addr), + .reg_en(dmi_reg_en), + .reg_wr_en(dmi_reg_wr_en), + .dmi_hard_reset() + ); +endmodule +module eb1_brqrv ( + clk, + rst_l, + dbg_rst_l, + rst_vec, + nmi_int, + nmi_vec, + core_rst_l, + active_l2clk, + free_l2clk, + trace_rv_i_insn_ip, + trace_rv_i_address_ip, + trace_rv_i_valid_ip, + trace_rv_i_exception_ip, + trace_rv_i_ecause_ip, + trace_rv_i_interrupt_ip, + trace_rv_i_tval_ip, + dccm_clk_override, + icm_clk_override, + dec_tlu_core_ecc_disable, + i_cpu_halt_req, + i_cpu_run_req, + o_cpu_halt_ack, + o_cpu_halt_status, + o_cpu_run_ack, + o_debug_mode_status, + core_id, + mpc_debug_halt_req, + mpc_debug_run_req, + mpc_reset_run_req, + mpc_debug_halt_ack, + mpc_debug_run_ack, + debug_brkpt_status, + dec_tlu_perfcnt0, + dec_tlu_perfcnt1, + dec_tlu_perfcnt2, + dec_tlu_perfcnt3, + dccm_wren, + dccm_rden, + dccm_wr_addr_lo, + dccm_wr_addr_hi, + dccm_rd_addr_lo, + dccm_rd_addr_hi, + dccm_wr_data_lo, + dccm_wr_data_hi, + dccm_rd_data_lo, + dccm_rd_data_hi, + iccm_rw_addr, + iccm_wren, + iccm_rden, + iccm_wr_size, + iccm_wr_data, + iccm_buf_correct_ecc, + iccm_correction_state, + iccm_rd_data, + iccm_rd_data_ecc, + ic_rw_addr, + ic_tag_valid, + ic_wr_en, + ic_rd_en, + ic_wr_data, + ic_rd_data, + ic_debug_rd_data, + ictag_debug_rd_data, + ic_debug_wr_data, + ic_eccerr, + ic_parerr, + ic_premux_data, + ic_sel_premux_data, + ic_debug_addr, + ic_debug_rd_en, + ic_debug_wr_en, + ic_debug_tag_array, + ic_debug_way, + ic_rd_hit, + ic_tag_perr, + lsu_axi_awvalid, + lsu_axi_awready, + lsu_axi_awid, + lsu_axi_awaddr, + lsu_axi_awregion, + lsu_axi_awlen, + lsu_axi_awsize, + lsu_axi_awburst, + lsu_axi_awlock, + lsu_axi_awcache, + lsu_axi_awprot, + lsu_axi_awqos, + lsu_axi_wvalid, + lsu_axi_wready, + lsu_axi_wdata, + lsu_axi_wstrb, + lsu_axi_wlast, + lsu_axi_bvalid, + lsu_axi_bready, + lsu_axi_bresp, + lsu_axi_bid, + lsu_axi_arvalid, + lsu_axi_arready, + lsu_axi_arid, + lsu_axi_araddr, + lsu_axi_arregion, + lsu_axi_arlen, + lsu_axi_arsize, + lsu_axi_arburst, + lsu_axi_arlock, + lsu_axi_arcache, + lsu_axi_arprot, + lsu_axi_arqos, + lsu_axi_rvalid, + lsu_axi_rready, + lsu_axi_rid, + lsu_axi_rdata, + lsu_axi_rresp, + lsu_axi_rlast, + ifu_axi_awvalid, + ifu_axi_awready, + ifu_axi_awid, + ifu_axi_awaddr, + ifu_axi_awregion, + ifu_axi_awlen, + ifu_axi_awsize, + ifu_axi_awburst, + ifu_axi_awlock, + ifu_axi_awcache, + ifu_axi_awprot, + ifu_axi_awqos, + ifu_axi_wvalid, + ifu_axi_wready, + ifu_axi_wdata, + ifu_axi_wstrb, + ifu_axi_wlast, + ifu_axi_bvalid, + ifu_axi_bready, + ifu_axi_bresp, + ifu_axi_bid, + ifu_axi_arvalid, + ifu_axi_arready, + ifu_axi_arid, + ifu_axi_araddr, + ifu_axi_arregion, + ifu_axi_arlen, + ifu_axi_arsize, + ifu_axi_arburst, + ifu_axi_arlock, + ifu_axi_arcache, + ifu_axi_arprot, + ifu_axi_arqos, + ifu_axi_rvalid, + ifu_axi_rready, + ifu_axi_rid, + ifu_axi_rdata, + ifu_axi_rresp, + ifu_axi_rlast, + sb_axi_awvalid, + sb_axi_awready, + sb_axi_awid, + sb_axi_awaddr, + sb_axi_awregion, + sb_axi_awlen, + sb_axi_awsize, + sb_axi_awburst, + sb_axi_awlock, + sb_axi_awcache, + sb_axi_awprot, + sb_axi_awqos, + sb_axi_wvalid, + sb_axi_wready, + sb_axi_wdata, + sb_axi_wstrb, + sb_axi_wlast, + sb_axi_bvalid, + sb_axi_bready, + sb_axi_bresp, + sb_axi_bid, + sb_axi_arvalid, + sb_axi_arready, + sb_axi_arid, + sb_axi_araddr, + sb_axi_arregion, + sb_axi_arlen, + sb_axi_arsize, + sb_axi_arburst, + sb_axi_arlock, + sb_axi_arcache, + sb_axi_arprot, + sb_axi_arqos, + sb_axi_rvalid, + sb_axi_rready, + sb_axi_rid, + sb_axi_rdata, + sb_axi_rresp, + sb_axi_rlast, + dma_axi_awvalid, + dma_axi_awready, + dma_axi_awid, + dma_axi_awaddr, + dma_axi_awsize, + dma_axi_awprot, + dma_axi_awlen, + dma_axi_awburst, + dma_axi_wvalid, + dma_axi_wready, + dma_axi_wdata, + dma_axi_wstrb, + dma_axi_wlast, + dma_axi_bvalid, + dma_axi_bready, + dma_axi_bresp, + dma_axi_bid, + dma_axi_arvalid, + dma_axi_arready, + dma_axi_arid, + dma_axi_araddr, + dma_axi_arsize, + dma_axi_arprot, + dma_axi_arlen, + dma_axi_arburst, + dma_axi_rvalid, + dma_axi_rready, + dma_axi_rid, + dma_axi_rdata, + dma_axi_rresp, + dma_axi_rlast, + haddr, + hburst, + hmastlock, + hprot, + hsize, + htrans, + hwrite, + hrdata, + hready, + hresp, + lsu_haddr, + lsu_hburst, + lsu_hmastlock, + lsu_hprot, + lsu_hsize, + lsu_htrans, + lsu_hwrite, + lsu_hwdata, + lsu_hrdata, + lsu_hready, + lsu_hresp, + sb_haddr, + sb_hburst, + sb_hmastlock, + sb_hprot, + sb_hsize, + sb_htrans, + sb_hwrite, + sb_hwdata, + sb_hrdata, + sb_hready, + sb_hresp, + dma_hsel, + dma_haddr, + dma_hburst, + dma_hmastlock, + dma_hprot, + dma_hsize, + dma_htrans, + dma_hwrite, + dma_hwdata, + dma_hreadyin, + dma_hrdata, + dma_hreadyout, + dma_hresp, + lsu_bus_clk_en, + ifu_bus_clk_en, + dbg_bus_clk_en, + dma_bus_clk_en, + dmi_reg_en, + dmi_reg_addr, + dmi_reg_wr_en, + dmi_reg_wdata, + dmi_reg_rdata, + extintsrc_req, + timer_int, + soft_int, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire rst_l; + input wire dbg_rst_l; + input wire [31:1] rst_vec; + input wire nmi_int; + input wire [31:1] nmi_vec; + output wire core_rst_l; + output wire active_l2clk; + output wire free_l2clk; + output wire [31:0] trace_rv_i_insn_ip; + output wire [31:0] trace_rv_i_address_ip; + output wire trace_rv_i_valid_ip; + output wire trace_rv_i_exception_ip; + output wire [4:0] trace_rv_i_ecause_ip; + output wire trace_rv_i_interrupt_ip; + output wire [31:0] trace_rv_i_tval_ip; + output wire dccm_clk_override; + output wire icm_clk_override; + output wire dec_tlu_core_ecc_disable; + input wire i_cpu_halt_req; + input wire i_cpu_run_req; + output wire o_cpu_halt_ack; + output wire o_cpu_halt_status; + output wire o_cpu_run_ack; + output wire o_debug_mode_status; + input wire [31:4] core_id; + input wire mpc_debug_halt_req; + input wire mpc_debug_run_req; + input wire mpc_reset_run_req; + output wire mpc_debug_halt_ack; + output wire mpc_debug_run_ack; + output wire debug_brkpt_status; + output wire dec_tlu_perfcnt0; + output wire dec_tlu_perfcnt1; + output wire dec_tlu_perfcnt2; + output wire dec_tlu_perfcnt3; + output wire dccm_wren; + output wire dccm_rden; + output wire [pt[1398-:9] - 1:0] dccm_wr_addr_lo; + output wire [pt[1398-:9] - 1:0] dccm_wr_addr_hi; + output wire [pt[1398-:9] - 1:0] dccm_rd_addr_lo; + output wire [pt[1398-:9] - 1:0] dccm_rd_addr_hi; + output wire [pt[1360-:10] - 1:0] dccm_wr_data_lo; + output wire [pt[1360-:10] - 1:0] dccm_wr_data_hi; + input wire [pt[1360-:10] - 1:0] dccm_rd_data_lo; + input wire [pt[1360-:10] - 1:0] dccm_rd_data_hi; + output wire [pt[936-:9] - 1:1] iccm_rw_addr; + output wire iccm_wren; + output wire iccm_rden; + output wire [2:0] iccm_wr_size; + output wire [77:0] iccm_wr_data; + output wire iccm_buf_correct_ecc; + output wire iccm_correction_state; + input wire [63:0] iccm_rd_data; + input wire [77:0] iccm_rd_data_ecc; + output wire [31:1] ic_rw_addr; + output wire [pt[1060-:7] - 1:0] ic_tag_valid; + output wire [pt[1060-:7] - 1:0] ic_wr_en; + output wire ic_rd_en; + output wire [(pt[1189-:7] * 71) - 1:0] ic_wr_data; + input wire [63:0] ic_rd_data; + input wire [70:0] ic_debug_rd_data; + input wire [25:0] ictag_debug_rd_data; + output wire [70:0] ic_debug_wr_data; + input wire [pt[1189-:7] - 1:0] ic_eccerr; + input wire [pt[1189-:7] - 1:0] ic_parerr; + output wire [63:0] ic_premux_data; + output wire ic_sel_premux_data; + output wire [pt[1104-:9]:3] ic_debug_addr; + output wire ic_debug_rd_en; + output wire ic_debug_wr_en; + output wire ic_debug_tag_array; + output wire [pt[1060-:7] - 1:0] ic_debug_way; + input wire [pt[1060-:7] - 1:0] ic_rd_hit; + input wire ic_tag_perr; + output wire lsu_axi_awvalid; + input wire lsu_axi_awready; + output wire [pt[181-:8] - 1:0] lsu_axi_awid; + output wire [31:0] lsu_axi_awaddr; + output wire [3:0] lsu_axi_awregion; + output wire [7:0] lsu_axi_awlen; + output wire [2:0] lsu_axi_awsize; + output wire [1:0] lsu_axi_awburst; + output wire lsu_axi_awlock; + output wire [3:0] lsu_axi_awcache; + output wire [2:0] lsu_axi_awprot; + output wire [3:0] lsu_axi_awqos; + output wire lsu_axi_wvalid; + input wire lsu_axi_wready; + output wire [63:0] lsu_axi_wdata; + output wire [7:0] lsu_axi_wstrb; + output wire lsu_axi_wlast; + input wire lsu_axi_bvalid; + output wire lsu_axi_bready; + input wire [1:0] lsu_axi_bresp; + input wire [pt[181-:8] - 1:0] lsu_axi_bid; + output wire lsu_axi_arvalid; + input wire lsu_axi_arready; + output wire [pt[181-:8] - 1:0] lsu_axi_arid; + output wire [31:0] lsu_axi_araddr; + output wire [3:0] lsu_axi_arregion; + output wire [7:0] lsu_axi_arlen; + output wire [2:0] lsu_axi_arsize; + output wire [1:0] lsu_axi_arburst; + output wire lsu_axi_arlock; + output wire [3:0] lsu_axi_arcache; + output wire [2:0] lsu_axi_arprot; + output wire [3:0] lsu_axi_arqos; + input wire lsu_axi_rvalid; + output wire lsu_axi_rready; + input wire [pt[181-:8] - 1:0] lsu_axi_rid; + input wire [63:0] lsu_axi_rdata; + input wire [1:0] lsu_axi_rresp; + input wire lsu_axi_rlast; + output wire ifu_axi_awvalid; + input wire ifu_axi_awready; + output wire [pt[826-:8] - 1:0] ifu_axi_awid; + output wire [31:0] ifu_axi_awaddr; + output wire [3:0] ifu_axi_awregion; + output wire [7:0] ifu_axi_awlen; + output wire [2:0] ifu_axi_awsize; + output wire [1:0] ifu_axi_awburst; + output wire ifu_axi_awlock; + output wire [3:0] ifu_axi_awcache; + output wire [2:0] ifu_axi_awprot; + output wire [3:0] ifu_axi_awqos; + output wire ifu_axi_wvalid; + input wire ifu_axi_wready; + output wire [63:0] ifu_axi_wdata; + output wire [7:0] ifu_axi_wstrb; + output wire ifu_axi_wlast; + input wire ifu_axi_bvalid; + output wire ifu_axi_bready; + input wire [1:0] ifu_axi_bresp; + input wire [pt[826-:8] - 1:0] ifu_axi_bid; + output wire ifu_axi_arvalid; + input wire ifu_axi_arready; + output wire [pt[826-:8] - 1:0] ifu_axi_arid; + output wire [31:0] ifu_axi_araddr; + output wire [3:0] ifu_axi_arregion; + output wire [7:0] ifu_axi_arlen; + output wire [2:0] ifu_axi_arsize; + output wire [1:0] ifu_axi_arburst; + output wire ifu_axi_arlock; + output wire [3:0] ifu_axi_arcache; + output wire [2:0] ifu_axi_arprot; + output wire [3:0] ifu_axi_arqos; + input wire ifu_axi_rvalid; + output wire ifu_axi_rready; + input wire [pt[826-:8] - 1:0] ifu_axi_rid; + input wire [63:0] ifu_axi_rdata; + input wire [1:0] ifu_axi_rresp; + input wire ifu_axi_rlast; + output wire sb_axi_awvalid; + input wire sb_axi_awready; + output wire [pt[12-:8] - 1:0] sb_axi_awid; + output wire [31:0] sb_axi_awaddr; + output wire [3:0] sb_axi_awregion; + output wire [7:0] sb_axi_awlen; + output wire [2:0] sb_axi_awsize; + output wire [1:0] sb_axi_awburst; + output wire sb_axi_awlock; + output wire [3:0] sb_axi_awcache; + output wire [2:0] sb_axi_awprot; + output wire [3:0] sb_axi_awqos; + output wire sb_axi_wvalid; + input wire sb_axi_wready; + output wire [63:0] sb_axi_wdata; + output wire [7:0] sb_axi_wstrb; + output wire sb_axi_wlast; + input wire sb_axi_bvalid; + output wire sb_axi_bready; + input wire [1:0] sb_axi_bresp; + input wire [pt[12-:8] - 1:0] sb_axi_bid; + output wire sb_axi_arvalid; + input wire sb_axi_arready; + output wire [pt[12-:8] - 1:0] sb_axi_arid; + output wire [31:0] sb_axi_araddr; + output wire [3:0] sb_axi_arregion; + output wire [7:0] sb_axi_arlen; + output wire [2:0] sb_axi_arsize; + output wire [1:0] sb_axi_arburst; + output wire sb_axi_arlock; + output wire [3:0] sb_axi_arcache; + output wire [2:0] sb_axi_arprot; + output wire [3:0] sb_axi_arqos; + input wire sb_axi_rvalid; + output wire sb_axi_rready; + input wire [pt[12-:8] - 1:0] sb_axi_rid; + input wire [63:0] sb_axi_rdata; + input wire [1:0] sb_axi_rresp; + input wire sb_axi_rlast; + input wire dma_axi_awvalid; + output wire dma_axi_awready; + input wire [pt[1235-:8] - 1:0] dma_axi_awid; + input wire [31:0] dma_axi_awaddr; + input wire [2:0] dma_axi_awsize; + input wire [2:0] dma_axi_awprot; + input wire [7:0] dma_axi_awlen; + input wire [1:0] dma_axi_awburst; + input wire dma_axi_wvalid; + output wire dma_axi_wready; + input wire [63:0] dma_axi_wdata; + input wire [7:0] dma_axi_wstrb; + input wire dma_axi_wlast; + output wire dma_axi_bvalid; + input wire dma_axi_bready; + output wire [1:0] dma_axi_bresp; + output wire [pt[1235-:8] - 1:0] dma_axi_bid; + input wire dma_axi_arvalid; + output wire dma_axi_arready; + input wire [pt[1235-:8] - 1:0] dma_axi_arid; + input wire [31:0] dma_axi_araddr; + input wire [2:0] dma_axi_arsize; + input wire [2:0] dma_axi_arprot; + input wire [7:0] dma_axi_arlen; + input wire [1:0] dma_axi_arburst; + output wire dma_axi_rvalid; + input wire dma_axi_rready; + output wire [pt[1235-:8] - 1:0] dma_axi_rid; + output wire [63:0] dma_axi_rdata; + output wire [1:0] dma_axi_rresp; + output wire dma_axi_rlast; + output wire [31:0] haddr; + output wire [2:0] hburst; + output wire hmastlock; + output wire [3:0] hprot; + output wire [2:0] hsize; + output wire [1:0] htrans; + output wire hwrite; + input wire [63:0] hrdata; + input wire hready; + input wire hresp; + output wire [31:0] lsu_haddr; + output wire [2:0] lsu_hburst; + output wire lsu_hmastlock; + output wire [3:0] lsu_hprot; + output wire [2:0] lsu_hsize; + output wire [1:0] lsu_htrans; + output wire lsu_hwrite; + output wire [63:0] lsu_hwdata; + input wire [63:0] lsu_hrdata; + input wire lsu_hready; + input wire lsu_hresp; + output wire [31:0] sb_haddr; + output wire [2:0] sb_hburst; + output wire sb_hmastlock; + output wire [3:0] sb_hprot; + output wire [2:0] sb_hsize; + output wire [1:0] sb_htrans; + output wire sb_hwrite; + output wire [63:0] sb_hwdata; + input wire [63:0] sb_hrdata; + input wire sb_hready; + input wire sb_hresp; + input wire dma_hsel; + input wire [31:0] dma_haddr; + input wire [2:0] dma_hburst; + input wire dma_hmastlock; + input wire [3:0] dma_hprot; + input wire [2:0] dma_hsize; + input wire [1:0] dma_htrans; + input wire dma_hwrite; + input wire [63:0] dma_hwdata; + input wire dma_hreadyin; + output wire [63:0] dma_hrdata; + output wire dma_hreadyout; + output wire dma_hresp; + input wire lsu_bus_clk_en; + input wire ifu_bus_clk_en; + input wire dbg_bus_clk_en; + input wire dma_bus_clk_en; + input wire dmi_reg_en; + input wire [6:0] dmi_reg_addr; + input wire dmi_reg_wr_en; + input wire [31:0] dmi_reg_wdata; + output wire [31:0] dmi_reg_rdata; + input wire [pt[56-:12]:1] extintsrc_req; + input wire timer_int; + input wire soft_int; + input wire scan_mode; + wire [63:0] hwdata_nc; + wire ifu_pmu_instr_aligned; + wire ifu_ic_error_start; + wire ifu_iccm_rd_ecc_single_err; + wire lsu_axi_awready_ahb; + wire lsu_axi_wready_ahb; + wire lsu_axi_bvalid_ahb; + wire lsu_axi_bready_ahb; + wire [1:0] lsu_axi_bresp_ahb; + wire [pt[181-:8] - 1:0] lsu_axi_bid_ahb; + wire lsu_axi_arready_ahb; + wire lsu_axi_rvalid_ahb; + wire [pt[181-:8] - 1:0] lsu_axi_rid_ahb; + wire [63:0] lsu_axi_rdata_ahb; + wire [1:0] lsu_axi_rresp_ahb; + wire lsu_axi_rlast_ahb; + wire lsu_axi_awready_int; + wire lsu_axi_wready_int; + wire lsu_axi_bvalid_int; + wire lsu_axi_bready_int; + wire [1:0] lsu_axi_bresp_int; + wire [pt[181-:8] - 1:0] lsu_axi_bid_int; + wire lsu_axi_arready_int; + wire lsu_axi_rvalid_int; + wire [pt[181-:8] - 1:0] lsu_axi_rid_int; + wire [63:0] lsu_axi_rdata_int; + wire [1:0] lsu_axi_rresp_int; + wire lsu_axi_rlast_int; + wire ifu_axi_awready_ahb; + wire ifu_axi_wready_ahb; + wire ifu_axi_bvalid_ahb; + wire ifu_axi_bready_ahb; + wire [1:0] ifu_axi_bresp_ahb; + wire [pt[826-:8] - 1:0] ifu_axi_bid_ahb; + wire ifu_axi_arready_ahb; + wire ifu_axi_rvalid_ahb; + wire [pt[826-:8] - 1:0] ifu_axi_rid_ahb; + wire [63:0] ifu_axi_rdata_ahb; + wire [1:0] ifu_axi_rresp_ahb; + wire ifu_axi_rlast_ahb; + wire ifu_axi_awready_int; + wire ifu_axi_wready_int; + wire ifu_axi_bvalid_int; + wire ifu_axi_bready_int; + wire [1:0] ifu_axi_bresp_int; + wire [pt[826-:8] - 1:0] ifu_axi_bid_int; + wire ifu_axi_arready_int; + wire ifu_axi_rvalid_int; + wire [pt[826-:8] - 1:0] ifu_axi_rid_int; + wire [63:0] ifu_axi_rdata_int; + wire [1:0] ifu_axi_rresp_int; + wire ifu_axi_rlast_int; + wire sb_axi_awready_ahb; + wire sb_axi_wready_ahb; + wire sb_axi_bvalid_ahb; + wire sb_axi_bready_ahb; + wire [1:0] sb_axi_bresp_ahb; + wire [pt[12-:8] - 1:0] sb_axi_bid_ahb; + wire sb_axi_arready_ahb; + wire sb_axi_rvalid_ahb; + wire [pt[12-:8] - 1:0] sb_axi_rid_ahb; + wire [63:0] sb_axi_rdata_ahb; + wire [1:0] sb_axi_rresp_ahb; + wire sb_axi_rlast_ahb; + wire sb_axi_awready_int; + wire sb_axi_wready_int; + wire sb_axi_bvalid_int; + wire sb_axi_bready_int; + wire [1:0] sb_axi_bresp_int; + wire [pt[12-:8] - 1:0] sb_axi_bid_int; + wire sb_axi_arready_int; + wire sb_axi_rvalid_int; + wire [pt[12-:8] - 1:0] sb_axi_rid_int; + wire [63:0] sb_axi_rdata_int; + wire [1:0] sb_axi_rresp_int; + wire sb_axi_rlast_int; + wire dma_axi_awvalid_ahb; + wire [pt[1235-:8] - 1:0] dma_axi_awid_ahb; + wire [31:0] dma_axi_awaddr_ahb; + wire [2:0] dma_axi_awsize_ahb; + wire [2:0] dma_axi_awprot_ahb; + wire [7:0] dma_axi_awlen_ahb; + wire [1:0] dma_axi_awburst_ahb; + wire dma_axi_wvalid_ahb; + wire [63:0] dma_axi_wdata_ahb; + wire [7:0] dma_axi_wstrb_ahb; + wire dma_axi_wlast_ahb; + wire dma_axi_bready_ahb; + wire dma_axi_arvalid_ahb; + wire [pt[1235-:8] - 1:0] dma_axi_arid_ahb; + wire [31:0] dma_axi_araddr_ahb; + wire [2:0] dma_axi_arsize_ahb; + wire [2:0] dma_axi_arprot_ahb; + wire [7:0] dma_axi_arlen_ahb; + wire [1:0] dma_axi_arburst_ahb; + wire dma_axi_rready_ahb; + wire dma_axi_awvalid_int; + wire [pt[1235-:8] - 1:0] dma_axi_awid_int; + wire [31:0] dma_axi_awaddr_int; + wire [2:0] dma_axi_awsize_int; + wire [2:0] dma_axi_awprot_int; + wire [7:0] dma_axi_awlen_int; + wire [1:0] dma_axi_awburst_int; + wire dma_axi_wvalid_int; + wire [63:0] dma_axi_wdata_int; + wire [7:0] dma_axi_wstrb_int; + wire dma_axi_wlast_int; + wire dma_axi_bready_int; + wire dma_axi_arvalid_int; + wire [pt[1235-:8] - 1:0] dma_axi_arid_int; + wire [31:0] dma_axi_araddr_int; + wire [2:0] dma_axi_arsize_int; + wire [2:0] dma_axi_arprot_int; + wire [7:0] dma_axi_arlen_int; + wire [1:0] dma_axi_arburst_int; + wire dma_axi_rready_int; + wire [70:0] ifu_ic_debug_rd_data; + wire ifu_ic_debug_rd_data_valid; + wire [89:0] dec_tlu_ic_diag_pkt; + wire dec_i0_rs1_en_d; + wire dec_i0_rs2_en_d; + wire [31:0] gpr_i0_rs1_d; + wire [31:0] gpr_i0_rs2_d; + wire [31:0] dec_i0_result_r; + wire [31:0] exu_i0_result_x; + wire [31:1] exu_i0_pc_x; + wire [31:1] exu_npc_r; + wire [43:0] i0_ap; + wire [151:0] trigger_pkt_any; + wire [3:0] lsu_trigger_match_m; + wire [31:0] dec_i0_immed_d; + wire [12:1] dec_i0_br_immed_d; + wire dec_i0_select_pc_d; + wire [31:1] dec_i0_pc_d; + wire [3:0] dec_i0_rs1_bypass_en_d; + wire [3:0] dec_i0_rs2_bypass_en_d; + wire dec_i0_alu_decode_d; + wire dec_i0_branch_d; + wire ifu_miss_state_idle; + wire dec_tlu_flush_noredir_r; + wire dec_tlu_flush_leak_one_r; + wire dec_tlu_flush_err_r; + wire ifu_i0_valid; + wire [31:0] ifu_i0_instr; + wire [31:1] ifu_i0_pc; + wire exu_flush_final; + wire [31:1] exu_flush_path_final; + wire [31:0] exu_lsu_rs1_d; + wire [31:0] exu_lsu_rs2_d; + wire [13:0] lsu_p; + wire dec_qual_lsu_d; + wire dec_lsu_valid_raw_d; + wire [11:0] dec_lsu_offset_d; + wire [31:0] lsu_result_m; + wire [31:0] lsu_result_corr_r; + wire lsu_single_ecc_error_incr; + wire [39:0] lsu_error_pkt_r; + wire lsu_imprecise_error_load_any; + wire lsu_imprecise_error_store_any; + wire [31:0] lsu_imprecise_error_addr_any; + wire lsu_load_stall_any; + wire lsu_store_stall_any; + wire lsu_idle_any; + wire lsu_active; + wire [31:1] lsu_fir_addr; + wire [1:0] lsu_fir_error; + wire lsu_nonblock_load_valid_m; + wire [pt[164-:7] - 1:0] lsu_nonblock_load_tag_m; + wire lsu_nonblock_load_inv_r; + wire [pt[164-:7] - 1:0] lsu_nonblock_load_inv_tag_r; + wire lsu_nonblock_load_data_valid; + wire [pt[164-:7] - 1:0] lsu_nonblock_load_data_tag; + wire [31:0] lsu_nonblock_load_data; + wire dec_csr_ren_d; + wire [31:0] dec_csr_rddata_d; + wire [31:0] exu_csr_rs1_x; + wire dec_tlu_i0_commit_cmt; + wire dec_tlu_flush_lower_r; + wire dec_tlu_flush_lower_wb; + wire dec_tlu_i0_kill_writeb_r; + wire dec_tlu_fence_i_r; + wire [31:1] dec_tlu_flush_path_r; + wire [31:0] dec_tlu_mrac_ff; + wire ifu_i0_pc4; + wire [19:0] mul_p; + wire [2:0] div_p; + wire dec_div_cancel; + wire [31:0] exu_div_result; + wire exu_div_wren; + wire dec_i0_decode_d; + wire [31:1] pred_correct_npc_x; + wire [6:0] dec_tlu_br0_r_pkt; + wire [55:0] exu_mp_pkt; + wire [pt[2236-:8] - 1:0] exu_mp_eghr; + wire [pt[2236-:8] - 1:0] exu_mp_fghr; + wire [pt[2172-:9]:pt[2163-:6]] exu_mp_index; + wire [pt[2139-:9] - 1:0] exu_mp_btag; + wire [pt[2236-:8] - 1:0] exu_i0_br_fghr_r; + wire [1:0] exu_i0_br_hist_r; + wire exu_i0_br_error_r; + wire exu_i0_br_start_error_r; + wire exu_i0_br_valid_r; + wire exu_i0_br_mp_r; + wire exu_i0_br_middle_r; + wire exu_i0_br_way_r; + wire [pt[2172-:9]:pt[2163-:6]] exu_i0_br_index_r; + wire dma_dccm_req; + wire dma_iccm_req; + wire [2:0] dma_mem_tag; + wire [31:0] dma_mem_addr; + wire [2:0] dma_mem_sz; + wire dma_mem_write; + wire [63:0] dma_mem_wdata; + wire dccm_dma_rvalid; + wire dccm_dma_ecc_error; + wire [2:0] dccm_dma_rtag; + wire [63:0] dccm_dma_rdata; + wire iccm_dma_rvalid; + wire iccm_dma_ecc_error; + wire [2:0] iccm_dma_rtag; + wire [63:0] iccm_dma_rdata; + wire dma_dccm_stall_any; + wire dma_iccm_stall_any; + wire dccm_ready; + wire iccm_ready; + wire dma_pmu_dccm_read; + wire dma_pmu_dccm_write; + wire dma_pmu_any_read; + wire dma_pmu_any_write; + wire ifu_i0_icaf; + wire [1:0] ifu_i0_icaf_type; + wire ifu_i0_icaf_second; + wire ifu_i0_dbecc; + wire iccm_dma_sb_error; + wire [50:0] i0_brp; + wire [pt[2172-:9]:pt[2163-:6]] ifu_i0_bp_index; + wire [pt[2236-:8] - 1:0] ifu_i0_bp_fghr; + wire [pt[2139-:9] - 1:0] ifu_i0_bp_btag; + wire [$clog2(pt[2061-:14]) - 1:0] ifu_i0_fa_index; + wire [$clog2(pt[2061-:14]) - 1:0] dec_fa_error_index; + wire [55:0] dec_i0_predict_p_d; + wire [pt[2236-:8] - 1:0] i0_predict_fghr_d; + wire [pt[2172-:9]:pt[2163-:6]] i0_predict_index_d; + wire [pt[2139-:9] - 1:0] i0_predict_btag_d; + wire picm_wren; + wire picm_rden; + wire picm_mken; + wire [31:0] picm_rdaddr; + wire [31:0] picm_wraddr; + wire [31:0] picm_wr_data; + wire [31:0] picm_rd_data; + wire dec_tlu_external_ldfwd_disable; + wire dec_tlu_bpred_disable; + wire dec_tlu_wb_coalescing_disable; + wire dec_tlu_sideeffect_posted_disable; + wire [2:0] dec_tlu_dma_qos_prty; + wire dec_tlu_misc_clk_override; + wire dec_tlu_ifu_clk_override; + wire dec_tlu_lsu_clk_override; + wire dec_tlu_bus_clk_override; + wire dec_tlu_pic_clk_override; + wire dec_tlu_dccm_clk_override; + wire dec_tlu_icm_clk_override; + wire dec_tlu_picio_clk_override; + assign dccm_clk_override = dec_tlu_dccm_clk_override; + assign icm_clk_override = dec_tlu_icm_clk_override; + wire [31:0] dbg_cmd_addr; + wire [31:0] dbg_cmd_wrdata; + wire dbg_cmd_valid; + wire dbg_cmd_write; + wire [1:0] dbg_cmd_type; + wire [1:0] dbg_cmd_size; + wire dbg_halt_req; + wire dbg_resume_req; + wire dbg_core_rst_l; + wire core_dbg_cmd_done; + wire core_dbg_cmd_fail; + wire [31:0] core_dbg_rddata; + wire dma_dbg_cmd_done; + wire dma_dbg_cmd_fail; + wire [31:0] dma_dbg_rddata; + wire dbg_dma_bubble; + wire dma_dbg_ready; + wire [31:0] dec_dbg_rddata; + wire dec_dbg_cmd_done; + wire dec_dbg_cmd_fail; + wire dec_tlu_mpc_halted_only; + wire dec_tlu_dbg_halted; + wire dec_tlu_resume_ack; + wire dec_tlu_debug_mode; + wire dec_debug_wdata_rs1_d; + wire dec_tlu_force_halt; + wire [1:0] dec_data_en; + wire [1:0] dec_ctl_en; + wire exu_pmu_i0_br_misp; + wire exu_pmu_i0_br_ataken; + wire exu_pmu_i0_pc4; + wire lsu_pmu_load_external_m; + wire lsu_pmu_store_external_m; + wire lsu_pmu_misaligned_m; + wire lsu_pmu_bus_trxn; + wire lsu_pmu_bus_misaligned; + wire lsu_pmu_bus_error; + wire lsu_pmu_bus_busy; + wire ifu_pmu_fetch_stall; + wire ifu_pmu_ic_miss; + wire ifu_pmu_ic_hit; + wire ifu_pmu_bus_error; + wire ifu_pmu_bus_busy; + wire ifu_pmu_bus_trxn; + wire active_state; + wire free_clk; + wire active_clk; + wire dec_pause_state_cg; + wire lsu_nonblock_load_data_error; + wire [15:0] ifu_i0_cinst; + wire [31:2] dec_tlu_meihap; + wire dec_extint_stall; + wire [103:0] trace_rv_trace_pkt; + wire lsu_fastint_stall_any; + wire [7:0] pic_claimid; + wire [3:0] pic_pl; + wire [3:0] dec_tlu_meicurpl; + wire [3:0] dec_tlu_meipt; + wire mexintpend; + wire mhwakeup; + wire dma_active; + wire pause_state; + wire halt_state; + wire dec_tlu_core_empty; + assign pause_state = (dec_pause_state_cg & ~(dma_active | lsu_active)) & dec_tlu_core_empty; + assign halt_state = o_cpu_halt_status & ~(dma_active | lsu_active); + assign active_state = ((~(halt_state | pause_state) | dec_tlu_flush_lower_r) | dec_tlu_flush_lower_wb) | dec_tlu_misc_clk_override; + rvoclkhdr free_cg2( + .clk(clk), + .en(1'b1), + .l1clk(free_l2clk), + .scan_mode(scan_mode) + ); + rvoclkhdr active_cg2( + .clk(clk), + .en(active_state), + .l1clk(active_l2clk), + .scan_mode(scan_mode) + ); + rvoclkhdr free_cg1( + .clk(free_l2clk), + .en(1'b1), + .l1clk(free_clk), + .scan_mode(scan_mode) + ); + rvoclkhdr active_cg1( + .clk(active_l2clk), + .en(1'b1), + .l1clk(active_clk), + .scan_mode(scan_mode) + ); + assign core_dbg_cmd_done = dma_dbg_cmd_done | dec_dbg_cmd_done; + assign core_dbg_cmd_fail = dma_dbg_cmd_fail | dec_dbg_cmd_fail; + assign core_dbg_rddata[31:0] = (dma_dbg_cmd_done ? dma_dbg_rddata[31:0] : dec_dbg_rddata[31:0]); + eb1_dbg #(.pt(pt)) dbg( + .rst_l(core_rst_l), + .clk(free_l2clk), + .clk_override(dec_tlu_misc_clk_override), + .sb_axi_awready(sb_axi_awready_int), + .sb_axi_wready(sb_axi_wready_int), + .sb_axi_bvalid(sb_axi_bvalid_int), + .sb_axi_bresp(sb_axi_bresp_int[1:0]), + .sb_axi_arready(sb_axi_arready_int), + .sb_axi_rvalid(sb_axi_rvalid_int), + .sb_axi_rdata(sb_axi_rdata_int[63:0]), + .sb_axi_rresp(sb_axi_rresp_int[1:0]), + .dbg_cmd_addr(dbg_cmd_addr), + .dbg_cmd_wrdata(dbg_cmd_wrdata), + .dbg_cmd_valid(dbg_cmd_valid), + .dbg_cmd_write(dbg_cmd_write), + .dbg_cmd_type(dbg_cmd_type), + .dbg_cmd_size(dbg_cmd_size), + .dbg_core_rst_l(dbg_core_rst_l), + .core_dbg_rddata(core_dbg_rddata), + .core_dbg_cmd_done(core_dbg_cmd_done), + .core_dbg_cmd_fail(core_dbg_cmd_fail), + .dbg_dma_bubble(dbg_dma_bubble), + .dma_dbg_ready(dma_dbg_ready), + .dbg_halt_req(dbg_halt_req), + .dbg_resume_req(dbg_resume_req), + .dec_tlu_debug_mode(dec_tlu_debug_mode), + .dec_tlu_dbg_halted(dec_tlu_dbg_halted), + .dec_tlu_mpc_halted_only(dec_tlu_mpc_halted_only), + .dec_tlu_resume_ack(dec_tlu_resume_ack), + .dmi_reg_en(dmi_reg_en), + .dmi_reg_addr(dmi_reg_addr), + .dmi_reg_wr_en(dmi_reg_wr_en), + .dmi_reg_wdata(dmi_reg_wdata), + .dmi_reg_rdata(dmi_reg_rdata), + .sb_axi_awvalid(sb_axi_awvalid), + .sb_axi_awid(sb_axi_awid), + .sb_axi_awaddr(sb_axi_awaddr), + .sb_axi_awregion(sb_axi_awregion), + .sb_axi_awlen(sb_axi_awlen), + .sb_axi_awsize(sb_axi_awsize), + .sb_axi_awburst(sb_axi_awburst), + .sb_axi_awlock(sb_axi_awlock), + .sb_axi_awcache(sb_axi_awcache), + .sb_axi_awprot(sb_axi_awprot), + .sb_axi_awqos(sb_axi_awqos), + .sb_axi_wvalid(sb_axi_wvalid), + .sb_axi_wdata(sb_axi_wdata), + .sb_axi_wstrb(sb_axi_wstrb), + .sb_axi_wlast(sb_axi_wlast), + .sb_axi_bready(sb_axi_bready), + .sb_axi_arvalid(sb_axi_arvalid), + .sb_axi_arid(sb_axi_arid), + .sb_axi_araddr(sb_axi_araddr), + .sb_axi_arregion(sb_axi_arregion), + .sb_axi_arlen(sb_axi_arlen), + .sb_axi_arsize(sb_axi_arsize), + .sb_axi_arburst(sb_axi_arburst), + .sb_axi_arlock(sb_axi_arlock), + .sb_axi_arcache(sb_axi_arcache), + .sb_axi_arprot(sb_axi_arprot), + .sb_axi_arqos(sb_axi_arqos), + .sb_axi_rready(sb_axi_rready), + .dbg_bus_clk_en(dbg_bus_clk_en), + .dbg_rst_l(dbg_rst_l), + .scan_mode(scan_mode) + ); + assign core_rst_l = rst_l & (dbg_core_rst_l | scan_mode); + eb1_ifu #(.pt(pt)) ifu( + .clk(active_l2clk), + .rst_l(core_rst_l), + .dec_tlu_flush_err_wb(dec_tlu_flush_err_r), + .dec_tlu_flush_noredir_wb(dec_tlu_flush_noredir_r), + .dec_tlu_fence_i_wb(dec_tlu_fence_i_r), + .dec_tlu_flush_leak_one_wb(dec_tlu_flush_leak_one_r), + .dec_tlu_flush_lower_wb(dec_tlu_flush_lower_r), + .ifu_axi_arready(ifu_axi_arready_int), + .ifu_axi_rvalid(ifu_axi_rvalid_int), + .ifu_axi_rid(ifu_axi_rid_int[pt[826-:8] - 1:0]), + .ifu_axi_rdata(ifu_axi_rdata_int[63:0]), + .ifu_axi_rresp(ifu_axi_rresp_int[1:0]), + .exu_flush_final(exu_flush_final), + .free_l2clk(free_l2clk), + .active_clk(active_clk), + .dec_i0_decode_d(dec_i0_decode_d), + .dec_tlu_i0_commit_cmt(dec_tlu_i0_commit_cmt), + .exu_flush_path_final(exu_flush_path_final), + .dec_tlu_mrac_ff(dec_tlu_mrac_ff), + .dec_tlu_bpred_disable(dec_tlu_bpred_disable), + .dec_tlu_core_ecc_disable(dec_tlu_core_ecc_disable), + .dec_tlu_force_halt(dec_tlu_force_halt), + .ifu_axi_awvalid(ifu_axi_awvalid), + .ifu_axi_awid(ifu_axi_awid), + .ifu_axi_awaddr(ifu_axi_awaddr), + .ifu_axi_awregion(ifu_axi_awregion), + .ifu_axi_awlen(ifu_axi_awlen), + .ifu_axi_awsize(ifu_axi_awsize), + .ifu_axi_awburst(ifu_axi_awburst), + .ifu_axi_awlock(ifu_axi_awlock), + .ifu_axi_awcache(ifu_axi_awcache), + .ifu_axi_awprot(ifu_axi_awprot), + .ifu_axi_awqos(ifu_axi_awqos), + .ifu_axi_wvalid(ifu_axi_wvalid), + .ifu_axi_wdata(ifu_axi_wdata), + .ifu_axi_wstrb(ifu_axi_wstrb), + .ifu_axi_wlast(ifu_axi_wlast), + .ifu_axi_bready(ifu_axi_bready), + .ifu_axi_arvalid(ifu_axi_arvalid), + .ifu_axi_arid(ifu_axi_arid), + .ifu_axi_araddr(ifu_axi_araddr), + .ifu_axi_arregion(ifu_axi_arregion), + .ifu_axi_arlen(ifu_axi_arlen), + .ifu_axi_arsize(ifu_axi_arsize), + .ifu_axi_arburst(ifu_axi_arburst), + .ifu_axi_arlock(ifu_axi_arlock), + .ifu_axi_arcache(ifu_axi_arcache), + .ifu_axi_arprot(ifu_axi_arprot), + .ifu_axi_arqos(ifu_axi_arqos), + .ifu_axi_rready(ifu_axi_rready), + .ifu_bus_clk_en(ifu_bus_clk_en), + .dma_iccm_req(dma_iccm_req), + .dma_mem_addr(dma_mem_addr), + .dma_mem_sz(dma_mem_sz), + .dma_mem_write(dma_mem_write), + .dma_mem_wdata(dma_mem_wdata), + .dma_mem_tag(dma_mem_tag), + .dma_iccm_stall_any(dma_iccm_stall_any), + .iccm_dma_ecc_error(iccm_dma_ecc_error), + .iccm_dma_rvalid(iccm_dma_rvalid), + .iccm_dma_rdata(iccm_dma_rdata), + .iccm_dma_rtag(iccm_dma_rtag), + .iccm_ready(iccm_ready), + .ifu_pmu_instr_aligned(ifu_pmu_instr_aligned), + .ifu_pmu_fetch_stall(ifu_pmu_fetch_stall), + .ifu_ic_error_start(ifu_ic_error_start), + .ic_rw_addr(ic_rw_addr), + .ic_wr_en(ic_wr_en), + .ic_rd_en(ic_rd_en), + .ic_wr_data(ic_wr_data), + .ic_rd_data(ic_rd_data), + .ic_debug_rd_data(ic_debug_rd_data), + .ictag_debug_rd_data(ictag_debug_rd_data), + .ic_debug_wr_data(ic_debug_wr_data), + .ifu_ic_debug_rd_data(ifu_ic_debug_rd_data), + .ic_eccerr(ic_eccerr), + .ic_parerr(ic_parerr), + .ic_premux_data(ic_premux_data), + .ic_sel_premux_data(ic_sel_premux_data), + .ic_debug_addr(ic_debug_addr), + .ic_debug_rd_en(ic_debug_rd_en), + .ic_debug_wr_en(ic_debug_wr_en), + .ic_debug_tag_array(ic_debug_tag_array), + .ic_debug_way(ic_debug_way), + .ic_tag_valid(ic_tag_valid), + .ic_rd_hit(ic_rd_hit), + .ic_tag_perr(ic_tag_perr), + .iccm_rw_addr(iccm_rw_addr), + .iccm_wren(iccm_wren), + .iccm_rden(iccm_rden), + .iccm_wr_data(iccm_wr_data), + .iccm_wr_size(iccm_wr_size), + .iccm_rd_data(iccm_rd_data), + .iccm_rd_data_ecc(iccm_rd_data_ecc), + .ifu_iccm_rd_ecc_single_err(ifu_iccm_rd_ecc_single_err), + .ifu_pmu_ic_miss(ifu_pmu_ic_miss), + .ifu_pmu_ic_hit(ifu_pmu_ic_hit), + .ifu_pmu_bus_error(ifu_pmu_bus_error), + .ifu_pmu_bus_busy(ifu_pmu_bus_busy), + .ifu_pmu_bus_trxn(ifu_pmu_bus_trxn), + .ifu_i0_icaf(ifu_i0_icaf), + .ifu_i0_icaf_type(ifu_i0_icaf_type), + .ifu_i0_valid(ifu_i0_valid), + .ifu_i0_icaf_second(ifu_i0_icaf_second), + .ifu_i0_dbecc(ifu_i0_dbecc), + .iccm_dma_sb_error(iccm_dma_sb_error), + .ifu_i0_instr(ifu_i0_instr), + .ifu_i0_pc(ifu_i0_pc), + .ifu_i0_pc4(ifu_i0_pc4), + .ifu_miss_state_idle(ifu_miss_state_idle), + .i0_brp(i0_brp), + .ifu_i0_bp_index(ifu_i0_bp_index), + .ifu_i0_bp_fghr(ifu_i0_bp_fghr), + .ifu_i0_bp_btag(ifu_i0_bp_btag), + .ifu_i0_fa_index(ifu_i0_fa_index), + .exu_mp_pkt(exu_mp_pkt), + .exu_mp_eghr(exu_mp_eghr), + .exu_mp_fghr(exu_mp_fghr), + .exu_mp_index(exu_mp_index), + .exu_mp_btag(exu_mp_btag), + .dec_tlu_br0_r_pkt(dec_tlu_br0_r_pkt), + .exu_i0_br_fghr_r(exu_i0_br_fghr_r), + .exu_i0_br_index_r(exu_i0_br_index_r), + .dec_fa_error_index(dec_fa_error_index), + .ifu_i0_cinst(ifu_i0_cinst), + .dec_tlu_ic_diag_pkt(dec_tlu_ic_diag_pkt), + .ifu_ic_debug_rd_data_valid(ifu_ic_debug_rd_data_valid), + .iccm_buf_correct_ecc(iccm_buf_correct_ecc), + .iccm_correction_state(iccm_correction_state), + .scan_mode(scan_mode) + ); + eb1_dec #(.pt(pt)) dec( + .clk(active_l2clk), + .dbg_cmd_wrdata(dbg_cmd_wrdata[1:0]), + .rst_l(core_rst_l), + .i_cpu_halt_req(i_cpu_halt_req), + .i_cpu_run_req(i_cpu_run_req), + .active_clk(active_clk), + .free_clk(free_clk), + .free_l2clk(free_l2clk), + .lsu_fastint_stall_any(lsu_fastint_stall_any), + .dec_extint_stall(dec_extint_stall), + .dec_i0_decode_d(dec_i0_decode_d), + .dec_pause_state_cg(dec_pause_state_cg), + .dec_tlu_core_empty(dec_tlu_core_empty), + .rst_vec(rst_vec), + .nmi_int(nmi_int), + .nmi_vec(nmi_vec), + .o_cpu_halt_status(o_cpu_halt_status), + .o_cpu_halt_ack(o_cpu_halt_ack), + .o_cpu_run_ack(o_cpu_run_ack), + .o_debug_mode_status(o_debug_mode_status), + .core_id(core_id), + .mpc_debug_halt_req(mpc_debug_halt_req), + .mpc_debug_run_req(mpc_debug_run_req), + .mpc_reset_run_req(mpc_reset_run_req), + .mpc_debug_halt_ack(mpc_debug_halt_ack), + .mpc_debug_run_ack(mpc_debug_run_ack), + .debug_brkpt_status(debug_brkpt_status), + .exu_pmu_i0_br_misp(exu_pmu_i0_br_misp), + .exu_pmu_i0_br_ataken(exu_pmu_i0_br_ataken), + .exu_pmu_i0_pc4(exu_pmu_i0_pc4), + .lsu_nonblock_load_valid_m(lsu_nonblock_load_valid_m), + .lsu_nonblock_load_tag_m(lsu_nonblock_load_tag_m), + .lsu_nonblock_load_inv_r(lsu_nonblock_load_inv_r), + .lsu_nonblock_load_inv_tag_r(lsu_nonblock_load_inv_tag_r), + .lsu_nonblock_load_data_valid(lsu_nonblock_load_data_valid), + .lsu_nonblock_load_data_error(lsu_nonblock_load_data_error), + .lsu_nonblock_load_data_tag(lsu_nonblock_load_data_tag), + .lsu_nonblock_load_data(lsu_nonblock_load_data), + .lsu_pmu_bus_trxn(lsu_pmu_bus_trxn), + .lsu_pmu_bus_misaligned(lsu_pmu_bus_misaligned), + .lsu_pmu_bus_error(lsu_pmu_bus_error), + .lsu_pmu_bus_busy(lsu_pmu_bus_busy), + .lsu_pmu_misaligned_m(lsu_pmu_misaligned_m), + .lsu_pmu_load_external_m(lsu_pmu_load_external_m), + .lsu_pmu_store_external_m(lsu_pmu_store_external_m), + .dma_pmu_dccm_read(dma_pmu_dccm_read), + .dma_pmu_dccm_write(dma_pmu_dccm_write), + .dma_pmu_any_read(dma_pmu_any_read), + .dma_pmu_any_write(dma_pmu_any_write), + .lsu_fir_addr(lsu_fir_addr), + .lsu_fir_error(lsu_fir_error), + .ifu_pmu_instr_aligned(ifu_pmu_instr_aligned), + .ifu_pmu_fetch_stall(ifu_pmu_fetch_stall), + .ifu_pmu_ic_miss(ifu_pmu_ic_miss), + .ifu_pmu_ic_hit(ifu_pmu_ic_hit), + .ifu_pmu_bus_error(ifu_pmu_bus_error), + .ifu_pmu_bus_busy(ifu_pmu_bus_busy), + .ifu_pmu_bus_trxn(ifu_pmu_bus_trxn), + .ifu_ic_error_start(ifu_ic_error_start), + .ifu_iccm_rd_ecc_single_err(ifu_iccm_rd_ecc_single_err), + .lsu_trigger_match_m(lsu_trigger_match_m), + .dbg_cmd_valid(dbg_cmd_valid), + .dbg_cmd_write(dbg_cmd_write), + .dbg_cmd_type(dbg_cmd_type), + .dbg_cmd_addr(dbg_cmd_addr), + .ifu_i0_icaf(ifu_i0_icaf), + .ifu_i0_icaf_type(ifu_i0_icaf_type), + .ifu_i0_icaf_second(ifu_i0_icaf_second), + .ifu_i0_dbecc(ifu_i0_dbecc), + .lsu_idle_any(lsu_idle_any), + .i0_brp(i0_brp), + .ifu_i0_bp_index(ifu_i0_bp_index), + .ifu_i0_bp_fghr(ifu_i0_bp_fghr), + .ifu_i0_bp_btag(ifu_i0_bp_btag), + .ifu_i0_fa_index(ifu_i0_fa_index), + .lsu_error_pkt_r(lsu_error_pkt_r), + .lsu_single_ecc_error_incr(lsu_single_ecc_error_incr), + .lsu_imprecise_error_load_any(lsu_imprecise_error_load_any), + .lsu_imprecise_error_store_any(lsu_imprecise_error_store_any), + .lsu_imprecise_error_addr_any(lsu_imprecise_error_addr_any), + .exu_div_result(exu_div_result), + .exu_div_wren(exu_div_wren), + .exu_csr_rs1_x(exu_csr_rs1_x), + .lsu_result_m(lsu_result_m), + .lsu_result_corr_r(lsu_result_corr_r), + .lsu_load_stall_any(lsu_load_stall_any), + .lsu_store_stall_any(lsu_store_stall_any), + .dma_dccm_stall_any(dma_dccm_stall_any), + .dma_iccm_stall_any(dma_iccm_stall_any), + .iccm_dma_sb_error(iccm_dma_sb_error), + .exu_flush_final(exu_flush_final), + .exu_npc_r(exu_npc_r), + .exu_i0_result_x(exu_i0_result_x), + .ifu_i0_valid(ifu_i0_valid), + .ifu_i0_instr(ifu_i0_instr), + .ifu_i0_pc(ifu_i0_pc), + .ifu_i0_pc4(ifu_i0_pc4), + .exu_i0_pc_x(exu_i0_pc_x), + .mexintpend(mexintpend), + .timer_int(timer_int), + .soft_int(soft_int), + .pic_claimid(pic_claimid), + .pic_pl(pic_pl), + .mhwakeup(mhwakeup), + .dec_tlu_meicurpl(dec_tlu_meicurpl), + .dec_tlu_meipt(dec_tlu_meipt), + .ifu_ic_debug_rd_data(ifu_ic_debug_rd_data), + .ifu_ic_debug_rd_data_valid(ifu_ic_debug_rd_data_valid), + .dec_tlu_ic_diag_pkt(dec_tlu_ic_diag_pkt), + .dbg_halt_req(dbg_halt_req), + .dbg_resume_req(dbg_resume_req), + .ifu_miss_state_idle(ifu_miss_state_idle), + .dec_tlu_dbg_halted(dec_tlu_dbg_halted), + .dec_tlu_debug_mode(dec_tlu_debug_mode), + .dec_tlu_resume_ack(dec_tlu_resume_ack), + .dec_tlu_flush_noredir_r(dec_tlu_flush_noredir_r), + .dec_tlu_mpc_halted_only(dec_tlu_mpc_halted_only), + .dec_tlu_flush_leak_one_r(dec_tlu_flush_leak_one_r), + .dec_tlu_flush_err_r(dec_tlu_flush_err_r), + .dec_tlu_meihap(dec_tlu_meihap), + .dec_debug_wdata_rs1_d(dec_debug_wdata_rs1_d), + .dec_dbg_rddata(dec_dbg_rddata), + .dec_dbg_cmd_done(dec_dbg_cmd_done), + .dec_dbg_cmd_fail(dec_dbg_cmd_fail), + .trigger_pkt_any(trigger_pkt_any), + .dec_tlu_force_halt(dec_tlu_force_halt), + .exu_i0_br_hist_r(exu_i0_br_hist_r), + .exu_i0_br_error_r(exu_i0_br_error_r), + .exu_i0_br_start_error_r(exu_i0_br_start_error_r), + .exu_i0_br_valid_r(exu_i0_br_valid_r), + .exu_i0_br_mp_r(exu_i0_br_mp_r), + .exu_i0_br_middle_r(exu_i0_br_middle_r), + .exu_i0_br_way_r(exu_i0_br_way_r), + .dec_i0_rs1_en_d(dec_i0_rs1_en_d), + .dec_i0_rs2_en_d(dec_i0_rs2_en_d), + .gpr_i0_rs1_d(gpr_i0_rs1_d), + .gpr_i0_rs2_d(gpr_i0_rs2_d), + .dec_i0_immed_d(dec_i0_immed_d), + .dec_i0_br_immed_d(dec_i0_br_immed_d), + .i0_ap(i0_ap), + .dec_i0_alu_decode_d(dec_i0_alu_decode_d), + .dec_i0_branch_d(dec_i0_branch_d), + .dec_i0_select_pc_d(dec_i0_select_pc_d), + .dec_i0_pc_d(dec_i0_pc_d), + .dec_i0_rs1_bypass_en_d(dec_i0_rs1_bypass_en_d), + .dec_i0_rs2_bypass_en_d(dec_i0_rs2_bypass_en_d), + .dec_i0_result_r(dec_i0_result_r), + .lsu_p(lsu_p), + .dec_qual_lsu_d(dec_qual_lsu_d), + .mul_p(mul_p), + .div_p(div_p), + .dec_div_cancel(dec_div_cancel), + .dec_lsu_offset_d(dec_lsu_offset_d), + .dec_csr_ren_d(dec_csr_ren_d), + .dec_csr_rddata_d(dec_csr_rddata_d), + .dec_tlu_flush_lower_r(dec_tlu_flush_lower_r), + .dec_tlu_flush_lower_wb(dec_tlu_flush_lower_wb), + .dec_tlu_flush_path_r(dec_tlu_flush_path_r), + .dec_tlu_i0_kill_writeb_r(dec_tlu_i0_kill_writeb_r), + .dec_tlu_fence_i_r(dec_tlu_fence_i_r), + .pred_correct_npc_x(pred_correct_npc_x), + .dec_tlu_br0_r_pkt(dec_tlu_br0_r_pkt), + .dec_tlu_perfcnt0(dec_tlu_perfcnt0), + .dec_tlu_perfcnt1(dec_tlu_perfcnt1), + .dec_tlu_perfcnt2(dec_tlu_perfcnt2), + .dec_tlu_perfcnt3(dec_tlu_perfcnt3), + .dec_i0_predict_p_d(dec_i0_predict_p_d), + .i0_predict_fghr_d(i0_predict_fghr_d), + .i0_predict_index_d(i0_predict_index_d), + .i0_predict_btag_d(i0_predict_btag_d), + .dec_fa_error_index(dec_fa_error_index), + .dec_lsu_valid_raw_d(dec_lsu_valid_raw_d), + .dec_tlu_mrac_ff(dec_tlu_mrac_ff), + .dec_data_en(dec_data_en), + .dec_ctl_en(dec_ctl_en), + .ifu_i0_cinst(ifu_i0_cinst), + .trace_rv_trace_pkt(trace_rv_trace_pkt), + .dec_tlu_external_ldfwd_disable(dec_tlu_external_ldfwd_disable), + .dec_tlu_sideeffect_posted_disable(dec_tlu_sideeffect_posted_disable), + .dec_tlu_core_ecc_disable(dec_tlu_core_ecc_disable), + .dec_tlu_bpred_disable(dec_tlu_bpred_disable), + .dec_tlu_wb_coalescing_disable(dec_tlu_wb_coalescing_disable), + .dec_tlu_dma_qos_prty(dec_tlu_dma_qos_prty), + .dec_tlu_misc_clk_override(dec_tlu_misc_clk_override), + .dec_tlu_ifu_clk_override(dec_tlu_ifu_clk_override), + .dec_tlu_lsu_clk_override(dec_tlu_lsu_clk_override), + .dec_tlu_bus_clk_override(dec_tlu_bus_clk_override), + .dec_tlu_pic_clk_override(dec_tlu_pic_clk_override), + .dec_tlu_picio_clk_override(dec_tlu_picio_clk_override), + .dec_tlu_dccm_clk_override(dec_tlu_dccm_clk_override), + .dec_tlu_icm_clk_override(dec_tlu_icm_clk_override), + .dec_tlu_i0_commit_cmt(dec_tlu_i0_commit_cmt), + .scan_mode(scan_mode) + ); + eb1_exu #(.pt(pt)) exu( + .clk(active_l2clk), + .rst_l(core_rst_l), + .scan_mode(scan_mode), + .dec_data_en(dec_data_en), + .dec_ctl_en(dec_ctl_en), + .dbg_cmd_wrdata(dbg_cmd_wrdata), + .i0_ap(i0_ap), + .dec_debug_wdata_rs1_d(dec_debug_wdata_rs1_d), + .dec_i0_predict_p_d(dec_i0_predict_p_d), + .i0_predict_fghr_d(i0_predict_fghr_d), + .i0_predict_index_d(i0_predict_index_d), + .i0_predict_btag_d(i0_predict_btag_d), + .lsu_result_m(lsu_result_m), + .lsu_nonblock_load_data(lsu_nonblock_load_data), + .dec_i0_rs1_en_d(dec_i0_rs1_en_d), + .dec_i0_rs2_en_d(dec_i0_rs2_en_d), + .gpr_i0_rs1_d(gpr_i0_rs1_d), + .gpr_i0_rs2_d(gpr_i0_rs2_d), + .dec_i0_immed_d(dec_i0_immed_d), + .dec_i0_result_r(dec_i0_result_r), + .dec_i0_br_immed_d(dec_i0_br_immed_d), + .dec_i0_alu_decode_d(dec_i0_alu_decode_d), + .dec_i0_branch_d(dec_i0_branch_d), + .dec_i0_select_pc_d(dec_i0_select_pc_d), + .dec_i0_pc_d(dec_i0_pc_d), + .dec_i0_rs1_bypass_en_d(dec_i0_rs1_bypass_en_d), + .dec_i0_rs2_bypass_en_d(dec_i0_rs2_bypass_en_d), + .dec_csr_ren_d(dec_csr_ren_d), + .dec_csr_rddata_d(dec_csr_rddata_d), + .dec_qual_lsu_d(dec_qual_lsu_d), + .mul_p(mul_p), + .div_p(div_p), + .dec_div_cancel(dec_div_cancel), + .pred_correct_npc_x(pred_correct_npc_x), + .dec_tlu_flush_lower_r(dec_tlu_flush_lower_r), + .dec_tlu_flush_path_r(dec_tlu_flush_path_r), + .dec_extint_stall(dec_extint_stall), + .dec_tlu_meihap(dec_tlu_meihap), + .exu_lsu_rs1_d(exu_lsu_rs1_d), + .exu_lsu_rs2_d(exu_lsu_rs2_d), + .exu_flush_final(exu_flush_final), + .exu_flush_path_final(exu_flush_path_final), + .exu_i0_result_x(exu_i0_result_x), + .exu_i0_pc_x(exu_i0_pc_x), + .exu_csr_rs1_x(exu_csr_rs1_x), + .exu_npc_r(exu_npc_r), + .exu_i0_br_hist_r(exu_i0_br_hist_r), + .exu_i0_br_error_r(exu_i0_br_error_r), + .exu_i0_br_start_error_r(exu_i0_br_start_error_r), + .exu_i0_br_index_r(exu_i0_br_index_r), + .exu_i0_br_valid_r(exu_i0_br_valid_r), + .exu_i0_br_mp_r(exu_i0_br_mp_r), + .exu_i0_br_middle_r(exu_i0_br_middle_r), + .exu_i0_br_fghr_r(exu_i0_br_fghr_r), + .exu_i0_br_way_r(exu_i0_br_way_r), + .exu_mp_pkt(exu_mp_pkt), + .exu_mp_eghr(exu_mp_eghr), + .exu_mp_fghr(exu_mp_fghr), + .exu_mp_index(exu_mp_index), + .exu_mp_btag(exu_mp_btag), + .exu_pmu_i0_br_misp(exu_pmu_i0_br_misp), + .exu_pmu_i0_br_ataken(exu_pmu_i0_br_ataken), + .exu_pmu_i0_pc4(exu_pmu_i0_pc4), + .exu_div_result(exu_div_result), + .exu_div_wren(exu_div_wren) + ); + eb1_lsu #(.pt(pt)) lsu( + .clk(active_l2clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_lsu_clk_override), + .dec_tlu_i0_kill_writeb_r(dec_tlu_i0_kill_writeb_r), + .lsu_axi_awready(lsu_axi_awready_int), + .lsu_axi_wready(lsu_axi_wready_int), + .lsu_axi_bvalid(lsu_axi_bvalid_int), + .lsu_axi_bid(lsu_axi_bid_int[pt[181-:8] - 1:0]), + .lsu_axi_bresp(lsu_axi_bresp_int[1:0]), + .lsu_axi_arready(lsu_axi_arready_int), + .lsu_axi_rvalid(lsu_axi_rvalid_int), + .lsu_axi_rid(lsu_axi_rid_int[pt[181-:8] - 1:0]), + .lsu_axi_rdata(lsu_axi_rdata_int[63:0]), + .lsu_axi_rresp(lsu_axi_rresp_int[1:0]), + .lsu_axi_rlast(lsu_axi_rlast_int), + .dec_tlu_flush_lower_r(dec_tlu_flush_lower_r), + .dec_tlu_force_halt(dec_tlu_force_halt), + .dec_tlu_external_ldfwd_disable(dec_tlu_external_ldfwd_disable), + .dec_tlu_wb_coalescing_disable(dec_tlu_wb_coalescing_disable), + .dec_tlu_sideeffect_posted_disable(dec_tlu_sideeffect_posted_disable), + .dec_tlu_core_ecc_disable(dec_tlu_core_ecc_disable), + .exu_lsu_rs1_d(exu_lsu_rs1_d), + .exu_lsu_rs2_d(exu_lsu_rs2_d), + .dec_lsu_offset_d(dec_lsu_offset_d), + .lsu_p(lsu_p), + .dec_lsu_valid_raw_d(dec_lsu_valid_raw_d), + .dec_tlu_mrac_ff(dec_tlu_mrac_ff), + .lsu_result_m(lsu_result_m), + .lsu_result_corr_r(lsu_result_corr_r), + .lsu_load_stall_any(lsu_load_stall_any), + .lsu_store_stall_any(lsu_store_stall_any), + .lsu_fastint_stall_any(lsu_fastint_stall_any), + .lsu_idle_any(lsu_idle_any), + .lsu_active(lsu_active), + .lsu_fir_addr(lsu_fir_addr), + .lsu_fir_error(lsu_fir_error), + .lsu_single_ecc_error_incr(lsu_single_ecc_error_incr), + .lsu_error_pkt_r(lsu_error_pkt_r), + .lsu_imprecise_error_load_any(lsu_imprecise_error_load_any), + .lsu_imprecise_error_store_any(lsu_imprecise_error_store_any), + .lsu_imprecise_error_addr_any(lsu_imprecise_error_addr_any), + .lsu_nonblock_load_valid_m(lsu_nonblock_load_valid_m), + .lsu_nonblock_load_tag_m(lsu_nonblock_load_tag_m), + .lsu_nonblock_load_inv_r(lsu_nonblock_load_inv_r), + .lsu_nonblock_load_inv_tag_r(lsu_nonblock_load_inv_tag_r), + .lsu_nonblock_load_data_valid(lsu_nonblock_load_data_valid), + .lsu_nonblock_load_data_error(lsu_nonblock_load_data_error), + .lsu_nonblock_load_data_tag(lsu_nonblock_load_data_tag), + .lsu_nonblock_load_data(lsu_nonblock_load_data), + .lsu_pmu_load_external_m(lsu_pmu_load_external_m), + .lsu_pmu_store_external_m(lsu_pmu_store_external_m), + .lsu_pmu_misaligned_m(lsu_pmu_misaligned_m), + .lsu_pmu_bus_trxn(lsu_pmu_bus_trxn), + .lsu_pmu_bus_misaligned(lsu_pmu_bus_misaligned), + .lsu_pmu_bus_error(lsu_pmu_bus_error), + .lsu_pmu_bus_busy(lsu_pmu_bus_busy), + .trigger_pkt_any(trigger_pkt_any), + .lsu_trigger_match_m(lsu_trigger_match_m), + .dccm_wren(dccm_wren), + .dccm_rden(dccm_rden), + .dccm_wr_addr_lo(dccm_wr_addr_lo), + .dccm_wr_addr_hi(dccm_wr_addr_hi), + .dccm_rd_addr_lo(dccm_rd_addr_lo), + .dccm_rd_addr_hi(dccm_rd_addr_hi), + .dccm_wr_data_lo(dccm_wr_data_lo), + .dccm_wr_data_hi(dccm_wr_data_hi), + .dccm_rd_data_lo(dccm_rd_data_lo), + .dccm_rd_data_hi(dccm_rd_data_hi), + .picm_wren(picm_wren), + .picm_rden(picm_rden), + .picm_mken(picm_mken), + .picm_rdaddr(picm_rdaddr), + .picm_wraddr(picm_wraddr), + .picm_wr_data(picm_wr_data), + .picm_rd_data(picm_rd_data), + .lsu_axi_awvalid(lsu_axi_awvalid), + .lsu_axi_awid(lsu_axi_awid), + .lsu_axi_awaddr(lsu_axi_awaddr), + .lsu_axi_awregion(lsu_axi_awregion), + .lsu_axi_awlen(lsu_axi_awlen), + .lsu_axi_awsize(lsu_axi_awsize), + .lsu_axi_awburst(lsu_axi_awburst), + .lsu_axi_awlock(lsu_axi_awlock), + .lsu_axi_awcache(lsu_axi_awcache), + .lsu_axi_awprot(lsu_axi_awprot), + .lsu_axi_awqos(lsu_axi_awqos), + .lsu_axi_wvalid(lsu_axi_wvalid), + .lsu_axi_wdata(lsu_axi_wdata), + .lsu_axi_wstrb(lsu_axi_wstrb), + .lsu_axi_wlast(lsu_axi_wlast), + .lsu_axi_bready(lsu_axi_bready), + .lsu_axi_arvalid(lsu_axi_arvalid), + .lsu_axi_arid(lsu_axi_arid), + .lsu_axi_araddr(lsu_axi_araddr), + .lsu_axi_arregion(lsu_axi_arregion), + .lsu_axi_arlen(lsu_axi_arlen), + .lsu_axi_arsize(lsu_axi_arsize), + .lsu_axi_arburst(lsu_axi_arburst), + .lsu_axi_arlock(lsu_axi_arlock), + .lsu_axi_arcache(lsu_axi_arcache), + .lsu_axi_arprot(lsu_axi_arprot), + .lsu_axi_arqos(lsu_axi_arqos), + .lsu_axi_rready(lsu_axi_rready), + .lsu_bus_clk_en(lsu_bus_clk_en), + .dma_dccm_req(dma_dccm_req), + .dma_mem_tag(dma_mem_tag), + .dma_mem_addr(dma_mem_addr), + .dma_mem_sz(dma_mem_sz), + .dma_mem_write(dma_mem_write), + .dma_mem_wdata(dma_mem_wdata), + .dccm_dma_rvalid(dccm_dma_rvalid), + .dccm_dma_ecc_error(dccm_dma_ecc_error), + .dccm_dma_rtag(dccm_dma_rtag), + .dccm_dma_rdata(dccm_dma_rdata), + .dccm_ready(dccm_ready), + .scan_mode(scan_mode), + .active_clk(active_clk) + ); + eb1_pic_ctrl #(.pt(pt)) pic_ctrl_inst( + .clk(free_l2clk), + .clk_override(dec_tlu_pic_clk_override), + .io_clk_override(dec_tlu_picio_clk_override), + .picm_mken(picm_mken), + .extintsrc_req({extintsrc_req[pt[56-:12]:1], 1'b0}), + .pl(pic_pl[3:0]), + .claimid(pic_claimid[7:0]), + .meicurpl(dec_tlu_meicurpl[3:0]), + .meipt(dec_tlu_meipt[3:0]), + .rst_l(core_rst_l), + .free_clk(free_clk), + .picm_rdaddr(picm_rdaddr), + .picm_wraddr(picm_wraddr), + .picm_wr_data(picm_wr_data), + .picm_wren(picm_wren), + .picm_rden(picm_rden), + .mexintpend(mexintpend), + .picm_rd_data(picm_rd_data), + .mhwakeup(mhwakeup), + .scan_mode(scan_mode) + ); + eb1_dma_ctrl #(.pt(pt)) dma_ctrl( + .clk(free_l2clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_misc_clk_override), + .dma_axi_awvalid(dma_axi_awvalid_int), + .dma_axi_awid(dma_axi_awid_int[pt[1235-:8] - 1:0]), + .dma_axi_awaddr(dma_axi_awaddr_int[31:0]), + .dma_axi_awsize(dma_axi_awsize_int[2:0]), + .dma_axi_wvalid(dma_axi_wvalid_int), + .dma_axi_wdata(dma_axi_wdata_int[63:0]), + .dma_axi_wstrb(dma_axi_wstrb_int[7:0]), + .dma_axi_bready(dma_axi_bready_int), + .dma_axi_arvalid(dma_axi_arvalid_int), + .dma_axi_arid(dma_axi_arid_int[pt[1235-:8] - 1:0]), + .dma_axi_araddr(dma_axi_araddr_int[31:0]), + .dma_axi_arsize(dma_axi_arsize_int[2:0]), + .dma_axi_rready(dma_axi_rready_int), + .free_clk(free_clk), + .dma_bus_clk_en(dma_bus_clk_en), + .scan_mode(scan_mode), + .dbg_cmd_addr(dbg_cmd_addr), + .dbg_cmd_wrdata(dbg_cmd_wrdata), + .dbg_cmd_valid(dbg_cmd_valid), + .dbg_cmd_write(dbg_cmd_write), + .dbg_cmd_type(dbg_cmd_type), + .dbg_cmd_size(dbg_cmd_size), + .dbg_dma_bubble(dbg_dma_bubble), + .dma_dbg_ready(dma_dbg_ready), + .dma_dbg_cmd_done(dma_dbg_cmd_done), + .dma_dbg_cmd_fail(dma_dbg_cmd_fail), + .dma_dbg_rddata(dma_dbg_rddata), + .dma_dccm_req(dma_dccm_req), + .dma_iccm_req(dma_iccm_req), + .dma_mem_tag(dma_mem_tag), + .dma_mem_addr(dma_mem_addr), + .dma_mem_sz(dma_mem_sz), + .dma_mem_write(dma_mem_write), + .dma_mem_wdata(dma_mem_wdata), + .dccm_dma_rvalid(dccm_dma_rvalid), + .dccm_dma_ecc_error(dccm_dma_ecc_error), + .dccm_dma_rtag(dccm_dma_rtag), + .dccm_dma_rdata(dccm_dma_rdata), + .iccm_dma_rvalid(iccm_dma_rvalid), + .iccm_dma_ecc_error(iccm_dma_ecc_error), + .iccm_dma_rtag(iccm_dma_rtag), + .iccm_dma_rdata(iccm_dma_rdata), + .dma_active(dma_active), + .dma_dccm_stall_any(dma_dccm_stall_any), + .dma_iccm_stall_any(dma_iccm_stall_any), + .dccm_ready(dccm_ready), + .iccm_ready(iccm_ready), + .dec_tlu_dma_qos_prty(dec_tlu_dma_qos_prty), + .dma_pmu_dccm_read(dma_pmu_dccm_read), + .dma_pmu_dccm_write(dma_pmu_dccm_write), + .dma_pmu_any_read(dma_pmu_any_read), + .dma_pmu_any_write(dma_pmu_any_write), + .dma_axi_awready(dma_axi_awready), + .dma_axi_wready(dma_axi_wready), + .dma_axi_bvalid(dma_axi_bvalid), + .dma_axi_bresp(dma_axi_bresp), + .dma_axi_bid(dma_axi_bid), + .dma_axi_arready(dma_axi_arready), + .dma_axi_rvalid(dma_axi_rvalid), + .dma_axi_rid(dma_axi_rid), + .dma_axi_rdata(dma_axi_rdata), + .dma_axi_rresp(dma_axi_rresp), + .dma_axi_rlast(dma_axi_rlast) + ); + generate + if (pt[2038] == 1) begin : Gen_AXI_To_AHB + axi4_to_ahb #( + .pt(pt), + .TAG(pt[181-:8]) + ) lsu_axi4_to_ahb( + .clk(free_l2clk), + .free_clk(free_clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_bus_clk_override), + .bus_clk_en(lsu_bus_clk_en), + .dec_tlu_force_halt(dec_tlu_force_halt), + .axi_awvalid(lsu_axi_awvalid), + .axi_awready(lsu_axi_awready_ahb), + .axi_awid(lsu_axi_awid[pt[181-:8] - 1:0]), + .axi_awaddr(lsu_axi_awaddr[31:0]), + .axi_awsize(lsu_axi_awsize[2:0]), + .axi_awprot(lsu_axi_awprot[2:0]), + .axi_wvalid(lsu_axi_wvalid), + .axi_wready(lsu_axi_wready_ahb), + .axi_wdata(lsu_axi_wdata[63:0]), + .axi_wstrb(lsu_axi_wstrb[7:0]), + .axi_wlast(lsu_axi_wlast), + .axi_bvalid(lsu_axi_bvalid_ahb), + .axi_bready(lsu_axi_bready), + .axi_bresp(lsu_axi_bresp_ahb[1:0]), + .axi_bid(lsu_axi_bid_ahb[pt[181-:8] - 1:0]), + .axi_arvalid(lsu_axi_arvalid), + .axi_arready(lsu_axi_arready_ahb), + .axi_arid(lsu_axi_arid[pt[181-:8] - 1:0]), + .axi_araddr(lsu_axi_araddr[31:0]), + .axi_arsize(lsu_axi_arsize[2:0]), + .axi_arprot(lsu_axi_arprot[2:0]), + .axi_rvalid(lsu_axi_rvalid_ahb), + .axi_rready(lsu_axi_rready), + .axi_rid(lsu_axi_rid_ahb[pt[181-:8] - 1:0]), + .axi_rdata(lsu_axi_rdata_ahb[63:0]), + .axi_rresp(lsu_axi_rresp_ahb[1:0]), + .axi_rlast(lsu_axi_rlast_ahb), + .ahb_haddr(lsu_haddr[31:0]), + .ahb_hburst(lsu_hburst), + .ahb_hmastlock(lsu_hmastlock), + .ahb_hprot(lsu_hprot[3:0]), + .ahb_hsize(lsu_hsize[2:0]), + .ahb_htrans(lsu_htrans[1:0]), + .ahb_hwrite(lsu_hwrite), + .ahb_hwdata(lsu_hwdata[63:0]), + .ahb_hrdata(lsu_hrdata[63:0]), + .ahb_hready(lsu_hready), + .ahb_hresp(lsu_hresp), + .scan_mode(scan_mode) + ); + axi4_to_ahb #( + .pt(pt), + .TAG(pt[826-:8]) + ) ifu_axi4_to_ahb( + .clk(free_l2clk), + .free_clk(free_clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_bus_clk_override), + .bus_clk_en(ifu_bus_clk_en), + .dec_tlu_force_halt(dec_tlu_force_halt), + .ahb_haddr(haddr[31:0]), + .ahb_hburst(hburst), + .ahb_hmastlock(hmastlock), + .ahb_hprot(hprot[3:0]), + .ahb_hsize(hsize[2:0]), + .ahb_htrans(htrans[1:0]), + .ahb_hwrite(hwrite), + .ahb_hwdata(hwdata_nc[63:0]), + .ahb_hrdata(hrdata[63:0]), + .ahb_hready(hready), + .ahb_hresp(hresp), + .axi_awvalid(ifu_axi_awvalid), + .axi_awready(ifu_axi_awready_ahb), + .axi_awid(ifu_axi_awid[pt[826-:8] - 1:0]), + .axi_awaddr(ifu_axi_awaddr[31:0]), + .axi_awsize(ifu_axi_awsize[2:0]), + .axi_awprot(ifu_axi_awprot[2:0]), + .axi_wvalid(ifu_axi_wvalid), + .axi_wready(ifu_axi_wready_ahb), + .axi_wdata(ifu_axi_wdata[63:0]), + .axi_wstrb(ifu_axi_wstrb[7:0]), + .axi_wlast(ifu_axi_wlast), + .axi_bvalid(ifu_axi_bvalid_ahb), + .axi_bready(1'b1), + .axi_bresp(ifu_axi_bresp_ahb[1:0]), + .axi_bid(ifu_axi_bid_ahb[pt[826-:8] - 1:0]), + .axi_arvalid(ifu_axi_arvalid), + .axi_arready(ifu_axi_arready_ahb), + .axi_arid(ifu_axi_arid[pt[826-:8] - 1:0]), + .axi_araddr(ifu_axi_araddr[31:0]), + .axi_arsize(ifu_axi_arsize[2:0]), + .axi_arprot(ifu_axi_arprot[2:0]), + .axi_rvalid(ifu_axi_rvalid_ahb), + .axi_rready(ifu_axi_rready), + .axi_rid(ifu_axi_rid_ahb[pt[826-:8] - 1:0]), + .axi_rdata(ifu_axi_rdata_ahb[63:0]), + .axi_rresp(ifu_axi_rresp_ahb[1:0]), + .axi_rlast(ifu_axi_rlast_ahb), + .scan_mode(scan_mode) + ); + axi4_to_ahb #( + .pt(pt), + .TAG(pt[12-:8]) + ) sb_axi4_to_ahb( + .clk(free_l2clk), + .free_clk(free_clk), + .rst_l(dbg_rst_l), + .clk_override(dec_tlu_bus_clk_override), + .bus_clk_en(dbg_bus_clk_en), + .dec_tlu_force_halt(1'b0), + .axi_awvalid(sb_axi_awvalid), + .axi_awready(sb_axi_awready_ahb), + .axi_awid(sb_axi_awid[pt[12-:8] - 1:0]), + .axi_awaddr(sb_axi_awaddr[31:0]), + .axi_awsize(sb_axi_awsize[2:0]), + .axi_awprot(sb_axi_awprot[2:0]), + .axi_wvalid(sb_axi_wvalid), + .axi_wready(sb_axi_wready_ahb), + .axi_wdata(sb_axi_wdata[63:0]), + .axi_wstrb(sb_axi_wstrb[7:0]), + .axi_wlast(sb_axi_wlast), + .axi_bvalid(sb_axi_bvalid_ahb), + .axi_bready(sb_axi_bready), + .axi_bresp(sb_axi_bresp_ahb[1:0]), + .axi_bid(sb_axi_bid_ahb[pt[12-:8] - 1:0]), + .axi_arvalid(sb_axi_arvalid), + .axi_arready(sb_axi_arready_ahb), + .axi_arid(sb_axi_arid[pt[12-:8] - 1:0]), + .axi_araddr(sb_axi_araddr[31:0]), + .axi_arsize(sb_axi_arsize[2:0]), + .axi_arprot(sb_axi_arprot[2:0]), + .axi_rvalid(sb_axi_rvalid_ahb), + .axi_rready(sb_axi_rready), + .axi_rid(sb_axi_rid_ahb[pt[12-:8] - 1:0]), + .axi_rdata(sb_axi_rdata_ahb[63:0]), + .axi_rresp(sb_axi_rresp_ahb[1:0]), + .axi_rlast(sb_axi_rlast_ahb), + .ahb_haddr(sb_haddr[31:0]), + .ahb_hburst(sb_hburst), + .ahb_hmastlock(sb_hmastlock), + .ahb_hprot(sb_hprot[3:0]), + .ahb_hsize(sb_hsize[2:0]), + .ahb_htrans(sb_htrans[1:0]), + .ahb_hwrite(sb_hwrite), + .ahb_hwdata(sb_hwdata[63:0]), + .ahb_hrdata(sb_hrdata[63:0]), + .ahb_hready(sb_hready), + .ahb_hresp(sb_hresp), + .scan_mode(scan_mode) + ); + ahb_to_axi4 #( + .pt(pt), + .TAG(pt[1235-:8]) + ) dma_ahb_to_axi4( + .clk(free_l2clk), + .rst_l(core_rst_l), + .clk_override(dec_tlu_bus_clk_override), + .bus_clk_en(dma_bus_clk_en), + .axi_awvalid(dma_axi_awvalid_ahb), + .axi_awready(dma_axi_awready), + .axi_awid(dma_axi_awid_ahb[pt[1235-:8] - 1:0]), + .axi_awaddr(dma_axi_awaddr_ahb[31:0]), + .axi_awsize(dma_axi_awsize_ahb[2:0]), + .axi_awprot(dma_axi_awprot_ahb[2:0]), + .axi_awlen(dma_axi_awlen_ahb[7:0]), + .axi_awburst(dma_axi_awburst_ahb[1:0]), + .axi_wvalid(dma_axi_wvalid_ahb), + .axi_wready(dma_axi_wready), + .axi_wdata(dma_axi_wdata_ahb[63:0]), + .axi_wstrb(dma_axi_wstrb_ahb[7:0]), + .axi_wlast(dma_axi_wlast_ahb), + .axi_bvalid(dma_axi_bvalid), + .axi_bready(dma_axi_bready_ahb), + .axi_bresp(dma_axi_bresp[1:0]), + .axi_bid(dma_axi_bid[pt[1235-:8] - 1:0]), + .axi_arvalid(dma_axi_arvalid_ahb), + .axi_arready(dma_axi_arready), + .axi_arid(dma_axi_arid_ahb[pt[1235-:8] - 1:0]), + .axi_araddr(dma_axi_araddr_ahb[31:0]), + .axi_arsize(dma_axi_arsize_ahb[2:0]), + .axi_arprot(dma_axi_arprot_ahb[2:0]), + .axi_arlen(dma_axi_arlen_ahb[7:0]), + .axi_arburst(dma_axi_arburst_ahb[1:0]), + .axi_rvalid(dma_axi_rvalid), + .axi_rready(dma_axi_rready_ahb), + .axi_rid(dma_axi_rid[pt[1235-:8] - 1:0]), + .axi_rdata(dma_axi_rdata[63:0]), + .axi_rresp(dma_axi_rresp[1:0]), + .ahb_haddr(dma_haddr[31:0]), + .ahb_hburst(dma_hburst), + .ahb_hmastlock(dma_hmastlock), + .ahb_hprot(dma_hprot[3:0]), + .ahb_hsize(dma_hsize[2:0]), + .ahb_htrans(dma_htrans[1:0]), + .ahb_hwrite(dma_hwrite), + .ahb_hwdata(dma_hwdata[63:0]), + .ahb_hrdata(dma_hrdata[63:0]), + .ahb_hreadyout(dma_hreadyout), + .ahb_hresp(dma_hresp), + .ahb_hreadyin(dma_hreadyin), + .ahb_hsel(dma_hsel), + .scan_mode(scan_mode) + ); + end + endgenerate + assign lsu_axi_awready_int = (pt[2038] ? lsu_axi_awready_ahb : lsu_axi_awready); + assign lsu_axi_wready_int = (pt[2038] ? lsu_axi_wready_ahb : lsu_axi_wready); + assign lsu_axi_bvalid_int = (pt[2038] ? lsu_axi_bvalid_ahb : lsu_axi_bvalid); + assign lsu_axi_bready_int = (pt[2038] ? lsu_axi_bready_ahb : lsu_axi_bready); + assign lsu_axi_bresp_int[1:0] = (pt[2038] ? lsu_axi_bresp_ahb[1:0] : lsu_axi_bresp[1:0]); + assign lsu_axi_bid_int[pt[181-:8] - 1:0] = (pt[2038] ? lsu_axi_bid_ahb[pt[181-:8] - 1:0] : lsu_axi_bid[pt[181-:8] - 1:0]); + assign lsu_axi_arready_int = (pt[2038] ? lsu_axi_arready_ahb : lsu_axi_arready); + assign lsu_axi_rvalid_int = (pt[2038] ? lsu_axi_rvalid_ahb : lsu_axi_rvalid); + assign lsu_axi_rid_int[pt[181-:8] - 1:0] = (pt[2038] ? lsu_axi_rid_ahb[pt[181-:8] - 1:0] : lsu_axi_rid[pt[181-:8] - 1:0]); + assign lsu_axi_rdata_int[63:0] = (pt[2038] ? lsu_axi_rdata_ahb[63:0] : lsu_axi_rdata[63:0]); + assign lsu_axi_rresp_int[1:0] = (pt[2038] ? lsu_axi_rresp_ahb[1:0] : lsu_axi_rresp[1:0]); + assign lsu_axi_rlast_int = (pt[2038] ? lsu_axi_rlast_ahb : lsu_axi_rlast); + assign ifu_axi_awready_int = (pt[2038] ? ifu_axi_awready_ahb : ifu_axi_awready); + assign ifu_axi_wready_int = (pt[2038] ? ifu_axi_wready_ahb : ifu_axi_wready); + assign ifu_axi_bvalid_int = (pt[2038] ? ifu_axi_bvalid_ahb : ifu_axi_bvalid); + assign ifu_axi_bready_int = (pt[2038] ? ifu_axi_bready_ahb : ifu_axi_bready); + assign ifu_axi_bresp_int[1:0] = (pt[2038] ? ifu_axi_bresp_ahb[1:0] : ifu_axi_bresp[1:0]); + assign ifu_axi_bid_int[pt[826-:8] - 1:0] = (pt[2038] ? ifu_axi_bid_ahb[pt[826-:8] - 1:0] : ifu_axi_bid[pt[826-:8] - 1:0]); + assign ifu_axi_arready_int = (pt[2038] ? ifu_axi_arready_ahb : ifu_axi_arready); + assign ifu_axi_rvalid_int = (pt[2038] ? ifu_axi_rvalid_ahb : ifu_axi_rvalid); + assign ifu_axi_rid_int[pt[826-:8] - 1:0] = (pt[2038] ? ifu_axi_rid_ahb[pt[826-:8] - 1:0] : ifu_axi_rid[pt[826-:8] - 1:0]); + assign ifu_axi_rdata_int[63:0] = (pt[2038] ? ifu_axi_rdata_ahb[63:0] : ifu_axi_rdata[63:0]); + assign ifu_axi_rresp_int[1:0] = (pt[2038] ? ifu_axi_rresp_ahb[1:0] : ifu_axi_rresp[1:0]); + assign ifu_axi_rlast_int = (pt[2038] ? ifu_axi_rlast_ahb : ifu_axi_rlast); + assign sb_axi_awready_int = (pt[2038] ? sb_axi_awready_ahb : sb_axi_awready); + assign sb_axi_wready_int = (pt[2038] ? sb_axi_wready_ahb : sb_axi_wready); + assign sb_axi_bvalid_int = (pt[2038] ? sb_axi_bvalid_ahb : sb_axi_bvalid); + assign sb_axi_bready_int = (pt[2038] ? sb_axi_bready_ahb : sb_axi_bready); + assign sb_axi_bresp_int[1:0] = (pt[2038] ? sb_axi_bresp_ahb[1:0] : sb_axi_bresp[1:0]); + assign sb_axi_bid_int[pt[12-:8] - 1:0] = (pt[2038] ? sb_axi_bid_ahb[pt[12-:8] - 1:0] : sb_axi_bid[pt[12-:8] - 1:0]); + assign sb_axi_arready_int = (pt[2038] ? sb_axi_arready_ahb : sb_axi_arready); + assign sb_axi_rvalid_int = (pt[2038] ? sb_axi_rvalid_ahb : sb_axi_rvalid); + assign sb_axi_rid_int[pt[12-:8] - 1:0] = (pt[2038] ? sb_axi_rid_ahb[pt[12-:8] - 1:0] : sb_axi_rid[pt[12-:8] - 1:0]); + assign sb_axi_rdata_int[63:0] = (pt[2038] ? sb_axi_rdata_ahb[63:0] : sb_axi_rdata[63:0]); + assign sb_axi_rresp_int[1:0] = (pt[2038] ? sb_axi_rresp_ahb[1:0] : sb_axi_rresp[1:0]); + assign sb_axi_rlast_int = (pt[2038] ? sb_axi_rlast_ahb : sb_axi_rlast); + assign dma_axi_awvalid_int = (pt[2038] ? dma_axi_awvalid_ahb : dma_axi_awvalid); + assign dma_axi_awid_int[pt[1235-:8] - 1:0] = (pt[2038] ? dma_axi_awid_ahb[pt[1235-:8] - 1:0] : dma_axi_awid[pt[1235-:8] - 1:0]); + assign dma_axi_awaddr_int[31:0] = (pt[2038] ? dma_axi_awaddr_ahb[31:0] : dma_axi_awaddr[31:0]); + assign dma_axi_awsize_int[2:0] = (pt[2038] ? dma_axi_awsize_ahb[2:0] : dma_axi_awsize[2:0]); + assign dma_axi_awprot_int[2:0] = (pt[2038] ? dma_axi_awprot_ahb[2:0] : dma_axi_awprot[2:0]); + assign dma_axi_awlen_int[7:0] = (pt[2038] ? dma_axi_awlen_ahb[7:0] : dma_axi_awlen[7:0]); + assign dma_axi_awburst_int[1:0] = (pt[2038] ? dma_axi_awburst_ahb[1:0] : dma_axi_awburst[1:0]); + assign dma_axi_wvalid_int = (pt[2038] ? dma_axi_wvalid_ahb : dma_axi_wvalid); + assign dma_axi_wdata_int[63:0] = (pt[2038] ? dma_axi_wdata_ahb[63:0] : dma_axi_wdata); + assign dma_axi_wstrb_int[7:0] = (pt[2038] ? dma_axi_wstrb_ahb[7:0] : dma_axi_wstrb[7:0]); + assign dma_axi_wlast_int = (pt[2038] ? dma_axi_wlast_ahb : dma_axi_wlast); + assign dma_axi_bready_int = (pt[2038] ? dma_axi_bready_ahb : dma_axi_bready); + assign dma_axi_arvalid_int = (pt[2038] ? dma_axi_arvalid_ahb : dma_axi_arvalid); + assign dma_axi_arid_int[pt[1235-:8] - 1:0] = (pt[2038] ? dma_axi_arid_ahb[pt[1235-:8] - 1:0] : dma_axi_arid[pt[1235-:8] - 1:0]); + assign dma_axi_araddr_int[31:0] = (pt[2038] ? dma_axi_araddr_ahb[31:0] : dma_axi_araddr[31:0]); + assign dma_axi_arsize_int[2:0] = (pt[2038] ? dma_axi_arsize_ahb[2:0] : dma_axi_arsize[2:0]); + assign dma_axi_arprot_int[2:0] = (pt[2038] ? dma_axi_arprot_ahb[2:0] : dma_axi_arprot[2:0]); + assign dma_axi_arlen_int[7:0] = (pt[2038] ? dma_axi_arlen_ahb[7:0] : dma_axi_arlen[7:0]); + assign dma_axi_arburst_int[1:0] = (pt[2038] ? dma_axi_arburst_ahb[1:0] : dma_axi_arburst[1:0]); + assign dma_axi_rready_int = (pt[2038] ? dma_axi_rready_ahb : dma_axi_rready); + assign trace_rv_i_insn_ip[31:0] = trace_rv_trace_pkt[102:71]; + assign trace_rv_i_address_ip[31:0] = trace_rv_trace_pkt[70:39]; + assign trace_rv_i_valid_ip = trace_rv_trace_pkt[103]; + assign trace_rv_i_exception_ip = trace_rv_trace_pkt[38]; + assign trace_rv_i_ecause_ip[4:0] = trace_rv_trace_pkt[37:33]; + assign trace_rv_i_interrupt_ip = trace_rv_trace_pkt[32]; + assign trace_rv_i_tval_ip[31:0] = trace_rv_trace_pkt[31:0]; +endmodule +module dmi_wrapper ( + trst_n, + tck, + tms, + tdi, + tdo, + tdoEnable, + core_rst_n, + core_clk, + jtag_id, + rd_data, + reg_wr_data, + reg_wr_addr, + reg_en, + reg_wr_en, + dmi_hard_reset +); + input trst_n; + input tck; + input tms; + input tdi; + output tdo; + output tdoEnable; + input core_rst_n; + input core_clk; + input [31:1] jtag_id; + input [31:0] rd_data; + output [31:0] reg_wr_data; + output [6:0] reg_wr_addr; + output reg_en; + output reg_wr_en; + output dmi_hard_reset; + wire rd_en; + wire wr_en; + wire dmireset; + rvjtag_tap i_jtag_tap( + .trst(trst_n), + .tck(tck), + .tms(tms), + .tdi(tdi), + .tdo(tdo), + .tdoEnable(tdoEnable), + .wr_data(reg_wr_data), + .wr_addr(reg_wr_addr), + .rd_en(rd_en), + .wr_en(wr_en), + .rd_data(rd_data), + .rd_status(2'b00), + .idle(3'h0), + .dmi_stat(2'b00), + .version(4'h1), + .jtag_id(jtag_id), + .dmi_hard_reset(dmi_hard_reset), + .dmi_reset(dmireset) + ); + dmi_jtag_to_core_sync i_dmi_jtag_to_core_sync( + .wr_en(wr_en), + .rd_en(rd_en), + .rst_n(core_rst_n), + .clk(core_clk), + .reg_en(reg_en), + .reg_wr_en(reg_wr_en) + ); +endmodule +module eb1_uart_rx_prog ( + i_Clock, + rst_ni, + i_Rx_Serial, + CLKS_PER_BIT, + o_Rx_DV, + o_Rx_Byte +); + input i_Clock; + input rst_ni; + input i_Rx_Serial; + input [15:0] CLKS_PER_BIT; + output o_Rx_DV; + output [7:0] o_Rx_Byte; + parameter s_IDLE = 3'b000; + parameter s_RX_START_BIT = 3'b001; + parameter s_RX_DATA_BITS = 3'b010; + parameter s_RX_STOP_BIT = 3'b011; + parameter s_CLEANUP = 3'b100; + reg r_Rx_Data_R; + reg r_Rx_Data; + reg [15:0] r_Clock_Count; + reg [2:0] r_Bit_Index; + reg [7:0] r_Rx_Byte; + reg r_Rx_DV; + reg [2:0] r_SM_Main; + always @(posedge i_Clock) + if (rst_ni == 1'b0) begin + r_Rx_Data_R <= 1'b1; + r_Rx_Data <= 1'b1; + end + else begin + r_Rx_Data_R <= i_Rx_Serial; + r_Rx_Data <= r_Rx_Data_R; + end + always @(posedge i_Clock or negedge rst_ni) + if (rst_ni == 1'b0) begin + r_SM_Main <= s_IDLE; + r_Rx_DV <= 1'b0; + r_Clock_Count <= 16'h0000; + r_Bit_Index <= 3'b000; + r_Rx_Byte <= 8'h00; + end + else + case (r_SM_Main) + s_IDLE: begin + r_Rx_DV <= 1'b0; + r_Clock_Count <= 0; + r_Bit_Index <= 0; + if (r_Rx_Data == 1'b0) + r_SM_Main <= s_RX_START_BIT; + else + r_SM_Main <= s_IDLE; + end + s_RX_START_BIT: + if (r_Clock_Count == ((CLKS_PER_BIT - 1) >> 1)) begin + if (r_Rx_Data == 1'b0) begin + r_Clock_Count <= 0; + r_SM_Main <= s_RX_DATA_BITS; + end + else + r_SM_Main <= s_IDLE; + end + else begin + r_Clock_Count <= r_Clock_Count + 1; + r_SM_Main <= s_RX_START_BIT; + end + s_RX_DATA_BITS: + if (r_Clock_Count < (CLKS_PER_BIT - 1)) begin + r_Clock_Count <= r_Clock_Count + 1; + r_SM_Main <= s_RX_DATA_BITS; + end + else begin + r_Clock_Count <= 0; + r_Rx_Byte[r_Bit_Index] <= r_Rx_Data; + if (r_Bit_Index < 7) begin + r_Bit_Index <= r_Bit_Index + 1; + r_SM_Main <= s_RX_DATA_BITS; + end + else begin + r_Bit_Index <= 0; + r_SM_Main <= s_RX_STOP_BIT; + end + end + s_RX_STOP_BIT: + if (r_Clock_Count < (CLKS_PER_BIT - 1)) begin + r_Clock_Count <= r_Clock_Count + 1; + r_SM_Main <= s_RX_STOP_BIT; + end + else begin + r_Rx_DV <= 1'b1; + r_Clock_Count <= 0; + r_SM_Main <= s_CLEANUP; + end + s_CLEANUP: begin + r_SM_Main <= s_IDLE; + r_Rx_DV <= 1'b0; + end + default: r_SM_Main <= s_IDLE; + endcase + assign o_Rx_DV = r_Rx_DV; + assign o_Rx_Byte = r_Rx_Byte; +endmodule +module eb1_iccm_controller ( + clk_i, + rst_ni, + rx_dv_i, + rx_byte_i, + we_o, + addr_o, + wdata_o, + reset_o +); + input wire clk_i; + input wire rst_ni; + input wire rx_dv_i; + input wire [7:0] rx_byte_i; + output wire we_o; + output wire [13:0] addr_o; + output wire [31:0] wdata_o; + output wire reset_o; + reg [1:0] ctrl_fsm_cs; + reg [1:0] ctrl_fsm_ns; + wire [7:0] rx_byte_d; + reg [7:0] rx_byte_q0; + reg [7:0] rx_byte_q1; + reg [7:0] rx_byte_q2; + reg [7:0] rx_byte_q3; + reg we_q; + reg we_d; + reg [13:0] addr_q; + reg [13:0] addr_d; + reg reset_q; + reg reset_d; + reg [1:0] byte_count; + localparam [1:0] DONE = 3; + localparam [1:0] LOAD = 1; + localparam [1:0] PROG = 2; + localparam [1:0] RESET = 0; + always @(*) begin + we_d = we_q; + addr_d = addr_q; + reset_d = reset_q; + ctrl_fsm_ns = ctrl_fsm_cs; + case (ctrl_fsm_cs) + RESET: begin + we_d = 1'b0; + reset_d = 1'b0; + if (rx_dv_i) + ctrl_fsm_ns = LOAD; + else + ctrl_fsm_ns = RESET; + end + LOAD: + if (((byte_count == 2'b11) && (rx_byte_q2 != 8'h0f)) && (rx_byte_d != 8'hff)) begin + we_d = 1'b1; + ctrl_fsm_ns = PROG; + end + else + ctrl_fsm_ns = DONE; + PROG: begin + we_d = 1'b0; + ctrl_fsm_ns = DONE; + end + DONE: + if (wdata_o == 32'h00000fff) begin + ctrl_fsm_ns = DONE; + reset_d = 1'b1; + end + else if (rx_dv_i) + ctrl_fsm_ns = LOAD; + else + ctrl_fsm_ns = DONE; + default: ctrl_fsm_ns = RESET; + endcase + end + assign rx_byte_d = rx_byte_i; + assign we_o = we_q; + assign addr_o = addr_q; + assign wdata_o = {rx_byte_q0, rx_byte_q1, rx_byte_q2, rx_byte_q3}; + assign reset_o = reset_q; + always @(posedge clk_i or negedge rst_ni) + if (!rst_ni) begin + we_q <= 1'b0; + addr_q <= 14'b00000000000000; + rx_byte_q0 <= 8'b00000000; + rx_byte_q1 <= 8'b00000000; + rx_byte_q2 <= 8'b00000000; + rx_byte_q3 <= 8'b00000000; + reset_q <= 1'b0; + byte_count <= 2'b00; + ctrl_fsm_cs <= RESET; + end + else begin + we_q <= we_d; + if (ctrl_fsm_cs == LOAD) begin + if (byte_count == 2'b00) begin + rx_byte_q0 <= rx_byte_d; + byte_count <= 2'b01; + end + else if (byte_count == 2'b01) begin + rx_byte_q1 <= rx_byte_d; + byte_count <= 2'b10; + end + else if (byte_count == 2'b10) begin + rx_byte_q2 <= rx_byte_d; + byte_count <= 2'b11; + end + else begin + rx_byte_q3 <= rx_byte_d; + byte_count <= 2'b00; + end + addr_q <= addr_d; + end + if (ctrl_fsm_cs == PROG) + addr_q <= addr_d + 2'h2; + reset_q <= reset_d; + ctrl_fsm_cs <= ctrl_fsm_ns; + end +endmodule +module eb1_mem ( + vccd1, + vssd1, + clk, + rst_l, + dccm_clk_override, + icm_clk_override, + dec_tlu_core_ecc_disable, + dccm_wren, + dccm_rden, + dccm_wr_addr_lo, + dccm_wr_addr_hi, + dccm_rd_addr_lo, + dccm_rd_addr_hi, + dccm_wr_data_lo, + dccm_wr_data_hi, + dccm_rd_data_lo, + dccm_rd_data_hi, + dccm_ext_in_pkt, + iccm_ext_in_pkt, + iccm_rw_addr, + iccm_buf_correct_ecc, + iccm_correction_state, + iccm_wren, + iccm_rden, + iccm_wr_size, + iccm_wr_data, + iccm_rd_data, + iccm_rd_data_ecc, + ic_rw_addr, + ic_tag_valid, + ic_wr_en, + ic_rd_en, + ic_premux_data, + ic_sel_premux_data, + ic_data_ext_in_pkt, + ic_tag_ext_in_pkt, + ic_wr_data, + ic_debug_wr_data, + ic_debug_rd_data, + ic_debug_addr, + ic_debug_rd_en, + ic_debug_wr_en, + ic_debug_tag_array, + ic_debug_way, + ic_rd_data, + ictag_debug_rd_data, + ic_eccerr, + ic_parerr, + ic_rd_hit, + ic_tag_perr, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire vccd1; + input wire vssd1; + input wire clk; + input wire rst_l; + input wire dccm_clk_override; + input wire icm_clk_override; + input wire dec_tlu_core_ecc_disable; + input wire dccm_wren; + input wire dccm_rden; + input wire [pt[1398-:9] - 1:0] dccm_wr_addr_lo; + input wire [pt[1398-:9] - 1:0] dccm_wr_addr_hi; + input wire [pt[1398-:9] - 1:0] dccm_rd_addr_lo; + input wire [pt[1398-:9] - 1:0] dccm_rd_addr_hi; + input wire [pt[1360-:10] - 1:0] dccm_wr_data_lo; + input wire [pt[1360-:10] - 1:0] dccm_wr_data_hi; + output wire [pt[1360-:10] - 1:0] dccm_rd_data_lo; + output wire [pt[1360-:10] - 1:0] dccm_rd_data_hi; + input wire [(pt[1342-:9] * 12) - 1:0] dccm_ext_in_pkt; + input wire [(pt[909-:9] * 12) - 1:0] iccm_ext_in_pkt; + input wire [pt[936-:9] - 1:1] iccm_rw_addr; + input wire iccm_buf_correct_ecc; + input wire iccm_correction_state; + input wire iccm_wren; + input wire iccm_rden; + input wire [2:0] iccm_wr_size; + input wire [77:0] iccm_wr_data; + output wire [63:0] iccm_rd_data; + output wire [77:0] iccm_rd_data_ecc; + input wire [31:1] ic_rw_addr; + input wire [pt[1060-:7] - 1:0] ic_tag_valid; + input wire [pt[1060-:7] - 1:0] ic_wr_en; + input wire ic_rd_en; + input wire [63:0] ic_premux_data; + input wire ic_sel_premux_data; + input wire [((pt[1060-:7] * pt[1189-:7]) * 12) - 1:0] ic_data_ext_in_pkt; + input wire [(pt[1060-:7] * 12) - 1:0] ic_tag_ext_in_pkt; + input wire [(pt[1189-:7] * 71) - 1:0] ic_wr_data; + input wire [70:0] ic_debug_wr_data; + output wire [70:0] ic_debug_rd_data; + input wire [pt[1104-:9]:3] ic_debug_addr; + input wire ic_debug_rd_en; + input wire ic_debug_wr_en; + input wire ic_debug_tag_array; + input wire [pt[1060-:7] - 1:0] ic_debug_way; + output wire [63:0] ic_rd_data; + output wire [25:0] ictag_debug_rd_data; + output wire [pt[1189-:7] - 1:0] ic_eccerr; + output wire [pt[1189-:7] - 1:0] ic_parerr; + output wire [pt[1060-:7] - 1:0] ic_rd_hit; + output wire ic_tag_perr; + input wire scan_mode; + wire active_clk; + rvoclkhdr active_cg( + .en(1'b1), + .l1clk(active_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + generate + if (pt[1365-:5] == 1) begin : Gen_dccm_enable + eb1_lsu_dccm_mem #(.pt(pt)) dccm( + .clk_override(dccm_clk_override), + .clk(clk), + .active_clk(active_clk), + .rst_l(rst_l), + .dccm_wren(dccm_wren), + .dccm_rden(dccm_rden), + .dccm_wr_addr_lo(dccm_wr_addr_lo), + .dccm_wr_addr_hi(dccm_wr_addr_hi), + .dccm_rd_addr_lo(dccm_rd_addr_lo), + .dccm_rd_addr_hi(dccm_rd_addr_hi), + .dccm_wr_data_lo(dccm_wr_data_lo), + .dccm_wr_data_hi(dccm_wr_data_hi), + .dccm_ext_in_pkt(dccm_ext_in_pkt), + .dccm_rd_data_lo(dccm_rd_data_lo), + .dccm_rd_data_hi(dccm_rd_data_hi), + .scan_mode(scan_mode) + ); + end + else begin : Gen_dccm_disable + assign dccm_rd_data_lo = {pt[1360-:10] {1'sb0}}; + assign dccm_rd_data_hi = {pt[1360-:10] {1'sb0}}; + end + endgenerate + generate + if (pt[1120-:5]) begin : icache + eb1_ifu_ic_mem #(.pt(pt)) icm( + .clk_override(icm_clk_override), + .* + ); + end + else begin + assign ic_rd_hit[pt[1060-:7] - 1:0] = {pt[1060-:7] {1'sb0}}; + assign ic_tag_perr = 1'b0; + assign ic_rd_data = {64 {1'sb0}}; + assign ictag_debug_rd_data = {26 {1'sb0}}; + end + endgenerate + generate + if (pt[927-:5]) begin : iccm + eb1_ifu_iccm_mem #(.pt(pt)) iccm( + .clk(clk), + .active_clk(active_clk), + .rst_l(rst_l), + .iccm_wren(iccm_wren), + .iccm_rden(iccm_rden), + .iccm_buf_correct_ecc(iccm_buf_correct_ecc), + .iccm_correction_state(iccm_correction_state), + .iccm_wr_size(iccm_wr_size), + .iccm_wr_data(iccm_wr_data), + .iccm_ext_in_pkt(iccm_ext_in_pkt), + .iccm_rd_data_ecc(iccm_rd_data_ecc), + .scan_mode(scan_mode), + .clk_override(icm_clk_override), + .iccm_rw_addr(iccm_rw_addr[pt[936-:9] - 1:1]), + .iccm_rd_data(iccm_rd_data[63:0]) + ); + end + else begin + assign iccm_rd_data = {64 {1'sb0}}; + assign iccm_rd_data_ecc = {78 {1'sb0}}; + end + endgenerate +endmodule +module eb1_pic_ctrl ( + clk, + free_clk, + rst_l, + clk_override, + io_clk_override, + extintsrc_req, + picm_rdaddr, + picm_wraddr, + picm_wr_data, + picm_wren, + picm_rden, + picm_mken, + meicurpl, + meipt, + mexintpend, + claimid, + pl, + picm_rd_data, + mhwakeup, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire free_clk; + input wire rst_l; + input wire clk_override; + input wire io_clk_override; + input wire [pt[44-:13] - 1:0] extintsrc_req; + input wire [31:0] picm_rdaddr; + input wire [31:0] picm_wraddr; + input wire [31:0] picm_wr_data; + input wire picm_wren; + input wire picm_rden; + input wire picm_mken; + input wire [3:0] meicurpl; + input wire [3:0] meipt; + output wire mexintpend; + output wire [7:0] claimid; + output wire [3:0] pl; + output wire [31:0] picm_rd_data; + output wire mhwakeup; + input wire scan_mode; + localparam NUM_LEVELS = $clog2(pt[44-:13]); + localparam INTPRIORITY_BASE_ADDR = pt[130-:36]; + localparam INTPEND_BASE_ADDR = pt[130-:36] + 32'h00001000; + localparam INTENABLE_BASE_ADDR = pt[130-:36] + 32'h00002000; + localparam EXT_INTR_PIC_CONFIG = pt[130-:36] + 32'h00003000; + localparam EXT_INTR_GW_CONFIG = pt[130-:36] + 32'h00004000; + localparam EXT_INTR_GW_CLEAR = pt[130-:36] + 32'h00005000; + localparam INTPEND_SIZE = (pt[44-:13] < 32 ? 32 : (pt[44-:13] < 64 ? 64 : (pt[44-:13] < 128 ? 128 : (pt[44-:13] < 256 ? 256 : (pt[44-:13] < 512 ? 512 : 1024))))); + localparam INT_GRPS = INTPEND_SIZE / 32; + localparam INTPRIORITY_BITS = 4; + localparam ID_BITS = 8; + localparam signed [(pt[44-:13] * 32) - 1:0] GW_CONFIG = {pt[44-:13] {32'sd0}}; + localparam INT_ENABLE_GRPS = (pt[44-:13] - 1) / 4; + wire [pt[44-:13] - 1:0] intenable_clk_enable; + wire [INT_ENABLE_GRPS:0] intenable_clk_enable_grp; + wire [INT_ENABLE_GRPS:0] gw_clk; + wire addr_intpend_base_match; + wire raddr_config_pic_match; + wire raddr_intenable_base_match; + wire raddr_intpriority_base_match; + wire raddr_config_gw_base_match; + wire waddr_config_pic_match; + wire waddr_intpriority_base_match; + wire waddr_intenable_base_match; + wire waddr_config_gw_base_match; + wire addr_clear_gw_base_match; + wire mexintpend_in; + wire mhwakeup_in; + wire intpend_reg_read; + wire [31:0] picm_rd_data_in; + reg [31:0] intpend_rd_out; + reg intenable_rd_out; + reg [3:0] intpriority_rd_out; + reg [1:0] gw_config_rd_out; + wire [(pt[44-:13] * 4) - 1:0] intpriority_reg; + wire [(pt[44-:13] * 4) - 1:0] intpriority_reg_inv; + wire [pt[44-:13] - 1:0] intpriority_reg_we; + wire [pt[44-:13] - 1:0] intpriority_reg_re; + wire [(pt[44-:13] * 2) - 1:0] gw_config_reg; + wire [pt[44-:13] - 1:0] intenable_reg; + wire [pt[44-:13] - 1:0] intenable_reg_we; + wire [pt[44-:13] - 1:0] intenable_reg_re; + wire [pt[44-:13] - 1:0] gw_config_reg_we; + wire [pt[44-:13] - 1:0] gw_config_reg_re; + wire [pt[44-:13] - 1:0] gw_clear_reg_we; + wire [INTPEND_SIZE - 1:0] intpend_reg_extended; + wire [(pt[44-:13] * 4) - 1:0] intpend_w_prior_en; + wire [(pt[44-:13] * 8) - 1:0] intpend_id; + wire [3:0] maxint; + wire [3:0] selected_int_priority; + wire [(INT_GRPS * 32) - 1:0] intpend_rd_part_out; + wire config_reg; + wire intpriord; + wire config_reg_we; + wire config_reg_re; + wire config_reg_in; + wire prithresh_reg_write; + wire prithresh_reg_read; + wire intpriority_reg_read; + wire intenable_reg_read; + wire gw_config_reg_read; + wire picm_wren_ff; + wire picm_rden_ff; + wire [31:0] picm_raddr_ff; + wire [31:0] picm_waddr_ff; + wire [31:0] picm_wr_data_ff; + reg [3:0] mask; + wire picm_mken_ff; + wire [7:0] claimid_in; + wire [3:0] pl_in; + wire [3:0] pl_in_q; + wire [pt[44-:13] - 1:0] extintsrc_req_sync; + wire [pt[44-:13] - 1:0] extintsrc_req_gw; + wire picm_bypass_ff; + wire pic_raddr_c1_clken; + wire pic_waddr_c1_clken; + wire pic_data_c1_clken; + wire pic_pri_c1_clken; + wire pic_int_c1_clken; + wire gw_config_c1_clken; + wire pic_raddr_c1_clk; + wire pic_data_c1_clk; + wire pic_pri_c1_clk; + wire pic_int_c1_clk; + wire gw_config_c1_clk; + assign pic_raddr_c1_clken = (picm_mken | picm_rden) | clk_override; + assign pic_data_c1_clken = picm_wren | clk_override; + assign pic_pri_c1_clken = ((waddr_intpriority_base_match & picm_wren_ff) | (raddr_intpriority_base_match & picm_rden_ff)) | clk_override; + assign pic_int_c1_clken = ((waddr_intenable_base_match & picm_wren_ff) | (raddr_intenable_base_match & picm_rden_ff)) | clk_override; + assign gw_config_c1_clken = ((waddr_config_gw_base_match & picm_wren_ff) | (raddr_config_gw_base_match & picm_rden_ff)) | clk_override; + rvoclkhdr pic_addr_c1_cgc( + .en(pic_raddr_c1_clken), + .l1clk(pic_raddr_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr pic_data_c1_cgc( + .en(pic_data_c1_clken), + .l1clk(pic_data_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr pic_pri_c1_cgc( + .en(pic_pri_c1_clken), + .l1clk(pic_pri_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr pic_int_c1_cgc( + .en(pic_int_c1_clken), + .l1clk(pic_int_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr gw_config_c1_cgc( + .en(gw_config_c1_clken), + .l1clk(gw_config_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + assign raddr_intenable_base_match = picm_raddr_ff[31:NUM_LEVELS + 2] == INTENABLE_BASE_ADDR[31:NUM_LEVELS + 2]; + assign raddr_intpriority_base_match = picm_raddr_ff[31:NUM_LEVELS + 2] == INTPRIORITY_BASE_ADDR[31:NUM_LEVELS + 2]; + assign raddr_config_gw_base_match = picm_raddr_ff[31:NUM_LEVELS + 2] == EXT_INTR_GW_CONFIG[31:NUM_LEVELS + 2]; + assign raddr_config_pic_match = picm_raddr_ff[31:0] == EXT_INTR_PIC_CONFIG[31:0]; + assign addr_intpend_base_match = picm_raddr_ff[31:6] == INTPEND_BASE_ADDR[31:6]; + assign waddr_config_pic_match = picm_waddr_ff[31:0] == EXT_INTR_PIC_CONFIG[31:0]; + assign addr_clear_gw_base_match = picm_waddr_ff[31:NUM_LEVELS + 2] == EXT_INTR_GW_CLEAR[31:NUM_LEVELS + 2]; + assign waddr_intpriority_base_match = picm_waddr_ff[31:NUM_LEVELS + 2] == INTPRIORITY_BASE_ADDR[31:NUM_LEVELS + 2]; + assign waddr_intenable_base_match = picm_waddr_ff[31:NUM_LEVELS + 2] == INTENABLE_BASE_ADDR[31:NUM_LEVELS + 2]; + assign waddr_config_gw_base_match = picm_waddr_ff[31:NUM_LEVELS + 2] == EXT_INTR_GW_CONFIG[31:NUM_LEVELS + 2]; + assign picm_bypass_ff = (picm_rden_ff & picm_wren_ff) & (picm_raddr_ff[31:0] == picm_waddr_ff[31:0]); + rvdff #(.WIDTH(32)) picm_radd_flop( + .rst_l(rst_l), + .din(picm_rdaddr), + .dout(picm_raddr_ff), + .clk(pic_raddr_c1_clk) + ); + rvdff #(.WIDTH(32)) picm_wadd_flop( + .rst_l(rst_l), + .din(picm_wraddr), + .dout(picm_waddr_ff), + .clk(pic_data_c1_clk) + ); + rvdff #(.WIDTH(1)) picm_wre_flop( + .rst_l(rst_l), + .din(picm_wren), + .dout(picm_wren_ff), + .clk(free_clk) + ); + rvdff #(.WIDTH(1)) picm_rde_flop( + .rst_l(rst_l), + .din(picm_rden), + .dout(picm_rden_ff), + .clk(free_clk) + ); + rvdff #(.WIDTH(1)) picm_mke_flop( + .rst_l(rst_l), + .din(picm_mken), + .dout(picm_mken_ff), + .clk(free_clk) + ); + rvdff #(.WIDTH(32)) picm_dat_flop( + .rst_l(rst_l), + .din(picm_wr_data[31:0]), + .dout(picm_wr_data_ff[31:0]), + .clk(pic_data_c1_clk) + ); + genvar p; + generate + for (p = 0; p <= INT_ENABLE_GRPS; p = p + 1) begin : IO_CLK_GRP + if (p == INT_ENABLE_GRPS) begin : LAST_GRP + assign intenable_clk_enable_grp[p] = |intenable_clk_enable[pt[44-:13] - 1:p * 4] | io_clk_override; + rvoclkhdr intenable_c1_cgc( + .en(intenable_clk_enable_grp[p]), + .l1clk(gw_clk[p]), + .clk(clk), + .scan_mode(scan_mode) + ); + end + else begin : CLK_GRPS + assign intenable_clk_enable_grp[p] = |intenable_clk_enable[(p * 4) + 3:p * 4] | io_clk_override; + rvoclkhdr intenable_c1_cgc( + .en(intenable_clk_enable_grp[p]), + .l1clk(gw_clk[p]), + .clk(clk), + .scan_mode(scan_mode) + ); + end + end + endgenerate + genvar i; + generate + for (i = 0; i < pt[44-:13]; i = i + 1) begin : SETREG + if (i > 0) begin : NON_ZERO_INT + assign intpriority_reg_we[i] = (waddr_intpriority_base_match & (picm_waddr_ff[NUM_LEVELS + 1:2] == i)) & picm_wren_ff; + assign intpriority_reg_re[i] = (raddr_intpriority_base_match & (picm_raddr_ff[NUM_LEVELS + 1:2] == i)) & picm_rden_ff; + assign intenable_reg_we[i] = (waddr_intenable_base_match & (picm_waddr_ff[NUM_LEVELS + 1:2] == i)) & picm_wren_ff; + assign intenable_reg_re[i] = (raddr_intenable_base_match & (picm_raddr_ff[NUM_LEVELS + 1:2] == i)) & picm_rden_ff; + assign gw_config_reg_we[i] = (waddr_config_gw_base_match & (picm_waddr_ff[NUM_LEVELS + 1:2] == i)) & picm_wren_ff; + assign gw_config_reg_re[i] = (raddr_config_gw_base_match & (picm_raddr_ff[NUM_LEVELS + 1:2] == i)) & picm_rden_ff; + assign gw_clear_reg_we[i] = (addr_clear_gw_base_match & (picm_waddr_ff[NUM_LEVELS + 1:2] == i)) & picm_wren_ff; + rvdffs #(.WIDTH(INTPRIORITY_BITS)) intpriority_ff( + .rst_l(rst_l), + .en(intpriority_reg_we[i]), + .din(picm_wr_data_ff[3:0]), + .dout(intpriority_reg[i * 4+:4]), + .clk(pic_pri_c1_clk) + ); + rvdffs #(.WIDTH(1)) intenable_ff( + .rst_l(rst_l), + .en(intenable_reg_we[i]), + .din(picm_wr_data_ff[0]), + .dout(intenable_reg[i]), + .clk(pic_int_c1_clk) + ); + assign intenable_clk_enable[i] = ((gw_config_reg[(i * 2) + 1] | intenable_reg_we[i]) | intenable_reg[i]) | gw_clear_reg_we[i]; + rvsyncss_fpga #(.WIDTH(1)) sync_inst( + .gw_clk(gw_clk[i / 4]), + .rawclk(clk), + .clken(intenable_clk_enable_grp[i / 4]), + .dout(extintsrc_req_sync[i]), + .din(extintsrc_req[i]), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(2)) gw_config_ff( + .rst_l(rst_l), + .en(gw_config_reg_we[i]), + .din(picm_wr_data_ff[1:0]), + .dout(gw_config_reg[i * 2+:2]), + .clk(gw_config_c1_clk) + ); + eb1_configurable_gw config_gw_inst( + .rst_l(rst_l), + .gw_clk(gw_clk[i / 4]), + .rawclk(clk), + .clken(intenable_clk_enable_grp[i / 4]), + .extintsrc_req_sync(extintsrc_req_sync[i]), + .meigwctrl_polarity(gw_config_reg[i * 2]), + .meigwctrl_type(gw_config_reg[(i * 2) + 1]), + .meigwclr(gw_clear_reg_we[i]), + .extintsrc_req_config(extintsrc_req_gw[i]) + ); + end + else begin : INT_ZERO + assign intpriority_reg_we[i] = 1'b0; + assign intpriority_reg_re[i] = 1'b0; + assign intenable_reg_we[i] = 1'b0; + assign intenable_reg_re[i] = 1'b0; + assign gw_config_reg_we[i] = 1'b0; + assign gw_config_reg_re[i] = 1'b0; + assign gw_clear_reg_we[i] = 1'b0; + assign gw_config_reg[i * 2+:2] = {2 {1'sb0}}; + assign intpriority_reg[i * 4+:4] = {INTPRIORITY_BITS {1'b0}}; + assign intenable_reg[i] = 1'b0; + assign extintsrc_req_gw[i] = 1'b0; + assign extintsrc_req_sync[i] = 1'b0; + assign intenable_clk_enable[i] = 1'b0; + end + assign intpriority_reg_inv[i * 4+:4] = (intpriord ? ~intpriority_reg[i * 4+:4] : intpriority_reg[i * 4+:4]); + assign intpend_w_prior_en[i * 4+:4] = {INTPRIORITY_BITS {extintsrc_req_gw[i] & intenable_reg[i]}} & intpriority_reg_inv[i * 4+:4]; + assign intpend_id[i * 8+:8] = i; + end + endgenerate + assign pl_in[3:0] = selected_int_priority[3:0]; + genvar l; + genvar m; + genvar j; + genvar k; + generate + if (pt[135-:5] == 1) begin : genblock + wire [(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))))) + 1) * 4) + ((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) * 4) - 1) : (((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1)))) + 1) * 4) + ((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) * 4) - 1)):(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) * 4 : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) * 4)] level_intpend_w_prior_en; + wire [(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))))) + 1) * 8) + ((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) * 8) - 1) : (((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1)))) + 1) * 8) + ((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) * 8) - 1)):(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) * 8 : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) * 8)] level_intpend_id; + wire [((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))))) + 1) * 4) + (((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) * 4) - 1) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)))) + 1) * 4) + (((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) * 4) - 1)):((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) * 4 : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) * 4)] levelx_intpend_w_prior_en; + wire [((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))))) + 1) * 8) + (((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) * 8) - 1) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)))) + 1) * 8) + (((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) * 8) - 1)):((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) * 8 : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) * 8)] levelx_intpend_id; + assign level_intpend_w_prior_en[4 * (((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : (((((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1))) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) - (((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2)) - 1) : ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : (((((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1))) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - ((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : (((((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1))) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) - (((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2)) - 1) : ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : (((((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1))) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1)))))+:4 * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))] = {12'b000000000000, intpend_w_prior_en[4 * ((pt[44-:13] - 1) - (pt[44-:13] - 1))+:4 * pt[44-:13]]}; + assign level_intpend_id[8 * (((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : (((((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1))) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) - (((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2)) - 1) : ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : (((((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1))) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - ((((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : (((((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1))) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) - (((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2)) - 1) : ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) : (((((NUM_LEVELS / 2) >= 0 ? 0 : NUM_LEVELS / 2) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1) : (pt[44-:13] + 2) - ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 2 : ((pt[44-:13] + 2) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1))) + ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) - 1)) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1)))))+:8 * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))] = {24'b000000000000000000000000, intpend_id[8 * ((pt[44-:13] - 1) - (pt[44-:13] - 1))+:8 * pt[44-:13]]}; + wire [((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) * 4) - 1 : ((1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2)))) * 4) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) * 4) - 1)):((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? 0 : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) * 4)] l2_intpend_w_prior_en_ff; + wire [((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) * 8) - 1 : ((1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2)))) * 8) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) * 8) - 1)):((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? 0 : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) * 8)] l2_intpend_id_ff; + assign levelx_intpend_w_prior_en[4 * ((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) - ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)) - 1) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - (((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) - ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)) - 1) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)))))+:4 * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))] = {{4 {1'b0}}, l2_intpend_w_prior_en_ff[4 * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? pt[44-:13] / (2 ** (NUM_LEVELS / 2)) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))) - 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2)))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? pt[44-:13] / (2 ** (NUM_LEVELS / 2)) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))) - 1)) : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? pt[44-:13] / (2 ** (NUM_LEVELS / 2)) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))) - 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2)))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? pt[44-:13] / (2 ** (NUM_LEVELS / 2)) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))) - 1)))+:4 * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))]}; + assign levelx_intpend_id[8 * ((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) - ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)) - 1) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - (((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) - ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)) - 1) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) : ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - ((NUM_LEVELS / 2) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) - 1)) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)))))+:8 * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))] = {{8 {1'b1}}, l2_intpend_id_ff[8 * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? pt[44-:13] / (2 ** (NUM_LEVELS / 2)) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))) - 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2)))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? pt[44-:13] / (2 ** (NUM_LEVELS / 2)) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))) - 1)) : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? pt[44-:13] / (2 ** (NUM_LEVELS / 2)) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))) - 1) - (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2)))) - 1) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? pt[44-:13] / (2 ** (NUM_LEVELS / 2)) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))) - 1)))+:8 * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1 : 1 - (pt[44-:13] / (2 ** (NUM_LEVELS / 2))))]}; + for (l = 0; l < (NUM_LEVELS / 2); l = l + 1) begin : TOP_LEVEL + for (m = 0; m <= (pt[44-:13] / (2 ** (l + 1))); m = m + 1) begin : COMPARE + if (m == (pt[44-:13] / (2 ** (l + 1)))) begin + assign level_intpend_w_prior_en[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? l + 1 : (NUM_LEVELS / 2) - (l + 1)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? m + 1 : (pt[44-:13] + 2) - (m + 1)) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? l + 1 : (NUM_LEVELS / 2) - (l + 1)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? m + 1 : (pt[44-:13] + 2) - (m + 1))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 4+:4] = {4 {1'sb0}}; + assign level_intpend_id[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? l + 1 : (NUM_LEVELS / 2) - (l + 1)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? m + 1 : (pt[44-:13] + 2) - (m + 1)) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? l + 1 : (NUM_LEVELS / 2) - (l + 1)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? m + 1 : (pt[44-:13] + 2) - (m + 1))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 8+:8] = {8 {1'sb0}}; + end + eb1_cmp_and_mux #( + .ID_BITS(ID_BITS), + .INTPRIORITY_BITS(INTPRIORITY_BITS) + ) cmp_l1( + .a_id(level_intpend_id[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? l : (NUM_LEVELS / 2) - l) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? 2 * m : (pt[44-:13] + 2) - (2 * m)) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? l : (NUM_LEVELS / 2) - l) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? 2 * m : (pt[44-:13] + 2) - (2 * m))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 8+:8]), + .a_priority(level_intpend_w_prior_en[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? l : (NUM_LEVELS / 2) - l) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? 2 * m : (pt[44-:13] + 2) - (2 * m)) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? l : (NUM_LEVELS / 2) - l) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? 2 * m : (pt[44-:13] + 2) - (2 * m))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 4+:4]), + .b_id(level_intpend_id[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? l : (NUM_LEVELS / 2) - l) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? (2 * m) + 1 : (pt[44-:13] + 2) - ((2 * m) + 1)) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? l : (NUM_LEVELS / 2) - l) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? (2 * m) + 1 : (pt[44-:13] + 2) - ((2 * m) + 1))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 8+:8]), + .b_priority(level_intpend_w_prior_en[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? l : (NUM_LEVELS / 2) - l) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? (2 * m) + 1 : (pt[44-:13] + 2) - ((2 * m) + 1)) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? l : (NUM_LEVELS / 2) - l) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? (2 * m) + 1 : (pt[44-:13] + 2) - ((2 * m) + 1))) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 4+:4]), + .out_id(level_intpend_id[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? l + 1 : (NUM_LEVELS / 2) - (l + 1)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? m : (pt[44-:13] + 2) - m) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? l + 1 : (NUM_LEVELS / 2) - (l + 1)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? m : (pt[44-:13] + 2) - m)) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 8+:8]), + .out_priority(level_intpend_w_prior_en[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? l + 1 : (NUM_LEVELS / 2) - (l + 1)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? m : (pt[44-:13] + 2) - m) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? l + 1 : (NUM_LEVELS / 2) - (l + 1)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? m : (pt[44-:13] + 2) - m)) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 4+:4]) + ); + end + end + for (i = 0; i <= (pt[44-:13] / (2 ** (NUM_LEVELS / 2))); i = i + 1) begin : MIDDLE_FLOPS + rvdff #(.WIDTH(INTPRIORITY_BITS)) leveb1_intpend_prior_reg( + .rst_l(rst_l), + .din(level_intpend_w_prior_en[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - (NUM_LEVELS / 2)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? i : (pt[44-:13] + 2) - i) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - (NUM_LEVELS / 2)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? i : (pt[44-:13] + 2) - i)) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 4+:4]), + .dout(l2_intpend_w_prior_en_ff[((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? i : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) - i) * 4+:4]), + .clk(free_clk) + ); + rvdff #(.WIDTH(ID_BITS)) leveb1_intpend_id_reg( + .rst_l(rst_l), + .din(level_intpend_id[(((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))) >= ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) ? (((NUM_LEVELS / 2) >= 0 ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - (NUM_LEVELS / 2)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? i : (pt[44-:13] + 2) - i) : ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? 0 : pt[44-:13] + 2) : ((pt[44-:13] + 2) >= 0 ? (NUM_LEVELS / 2) * (pt[44-:13] + 3) : (pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2))))) - (((((NUM_LEVELS / 2) >= 0 ? NUM_LEVELS / 2 : (NUM_LEVELS / 2) - (NUM_LEVELS / 2)) * ((pt[44-:13] + 2) >= 0 ? pt[44-:13] + 3 : 1 - (pt[44-:13] + 2))) + ((pt[44-:13] + 2) >= 0 ? i : (pt[44-:13] + 2) - i)) - ((NUM_LEVELS / 2) >= 0 ? ((pt[44-:13] + 2) >= 0 ? (((NUM_LEVELS / 2) + 1) * (pt[44-:13] + 3)) - 1 : (((NUM_LEVELS / 2) + 1) * (1 - (pt[44-:13] + 2))) + (pt[44-:13] + 1)) : ((pt[44-:13] + 2) >= 0 ? ((1 - (NUM_LEVELS / 2)) * (pt[44-:13] + 3)) + (((NUM_LEVELS / 2) * (pt[44-:13] + 3)) - 1) : ((1 - (NUM_LEVELS / 2)) * (1 - (pt[44-:13] + 2))) + (((pt[44-:13] + 2) + ((NUM_LEVELS / 2) * (1 - (pt[44-:13] + 2)))) - 1))))) * 8+:8]), + .dout(l2_intpend_id_ff[((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) >= 0 ? i : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) - i) * 8+:8]), + .clk(free_clk) + ); + end + for (j = NUM_LEVELS / 2; j < NUM_LEVELS; j = j + 1) begin : BOT_LEVELS + for (k = 0; k <= (pt[44-:13] / (2 ** (j + 1))); k = k + 1) begin : COMPARE + if (k == (pt[44-:13] / (2 ** (j + 1)))) begin + assign levelx_intpend_w_prior_en[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? j + 1 : (NUM_LEVELS / 2) - ((j + 1) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? k + 1 : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (k + 1)) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? j + 1 : (NUM_LEVELS / 2) - ((j + 1) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? k + 1 : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (k + 1))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 4+:4] = {4 {1'sb0}}; + assign levelx_intpend_id[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? j + 1 : (NUM_LEVELS / 2) - ((j + 1) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? k + 1 : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (k + 1)) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? j + 1 : (NUM_LEVELS / 2) - ((j + 1) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? k + 1 : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (k + 1))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 8+:8] = {8 {1'sb0}}; + end + eb1_cmp_and_mux #( + .ID_BITS(ID_BITS), + .INTPRIORITY_BITS(INTPRIORITY_BITS) + ) cmp_l1( + .a_id(levelx_intpend_id[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? j : (NUM_LEVELS / 2) - (j - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? 2 * k : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (2 * k)) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? j : (NUM_LEVELS / 2) - (j - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? 2 * k : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (2 * k))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 8+:8]), + .a_priority(levelx_intpend_w_prior_en[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? j : (NUM_LEVELS / 2) - (j - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? 2 * k : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (2 * k)) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? j : (NUM_LEVELS / 2) - (j - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? 2 * k : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - (2 * k))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 4+:4]), + .b_id(levelx_intpend_id[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? j : (NUM_LEVELS / 2) - (j - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (2 * k) + 1 : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - ((2 * k) + 1)) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? j : (NUM_LEVELS / 2) - (j - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (2 * k) + 1 : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - ((2 * k) + 1))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 8+:8]), + .b_priority(levelx_intpend_w_prior_en[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? j : (NUM_LEVELS / 2) - (j - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (2 * k) + 1 : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - ((2 * k) + 1)) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? j : (NUM_LEVELS / 2) - (j - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (2 * k) + 1 : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - ((2 * k) + 1))) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 4+:4]), + .out_id(levelx_intpend_id[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? j + 1 : (NUM_LEVELS / 2) - ((j + 1) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? k : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - k) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? j + 1 : (NUM_LEVELS / 2) - ((j + 1) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? k : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - k)) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 8+:8]), + .out_priority(levelx_intpend_w_prior_en[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? j + 1 : (NUM_LEVELS / 2) - ((j + 1) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? k : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - k) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? j + 1 : (NUM_LEVELS / 2) - ((j + 1) - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? k : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) - k)) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 4+:4]) + ); + end + end + assign claimid_in[7:0] = levelx_intpend_id[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS : (NUM_LEVELS / 2) - (NUM_LEVELS - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? 0 : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS : (NUM_LEVELS / 2) - (NUM_LEVELS - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? 0 : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 8+:8]; + assign selected_int_priority[3:0] = levelx_intpend_w_prior_en[((NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))) >= (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) ? ((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS : (NUM_LEVELS / 2) - (NUM_LEVELS - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? 0 : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) : (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2) : ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))))) - ((((NUM_LEVELS >= (NUM_LEVELS / 2) ? NUM_LEVELS : (NUM_LEVELS / 2) - (NUM_LEVELS - NUM_LEVELS)) * (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2 : 1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? 0 : (pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)) - (NUM_LEVELS >= (NUM_LEVELS / 2) ? (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + (((NUM_LEVELS / 2) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : (((NUM_LEVELS - (NUM_LEVELS / 2)) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + ((NUM_LEVELS / 2) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1)) : (((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) >= 0 ? ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) + ((NUM_LEVELS * ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 2)) - 1) : ((((NUM_LEVELS / 2) - NUM_LEVELS) + 1) * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1))) + ((((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1) + (NUM_LEVELS * (1 - ((pt[44-:13] / (2 ** (NUM_LEVELS / 2))) + 1)))) - 1))))) * 4+:4]; + end + else begin : genblock + wire [((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))))) + 1) * 4) + (((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) * 4) - 1) : ((((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1)))) + 1) * 4) + (((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) * 4) - 1)):((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) * 4 : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) * 4)] level_intpend_w_prior_en; + wire [((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))))) + 1) * 8) + (((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) * 8) - 1) : ((((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1)))) + 1) * 8) + (((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) * 8) - 1)):((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) * 8 : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) * 8)] level_intpend_id; + assign level_intpend_w_prior_en[4 * ((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : ((((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1))) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) - (((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1)) - 1) : ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : ((((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1))) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - (((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : ((((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1))) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) - (((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1)) - 1) : ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : ((((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1))) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1)))))+:4 * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))] = {{8 {1'b0}}, intpend_w_prior_en[4 * ((pt[44-:13] - 1) - (pt[44-:13] - 1))+:4 * pt[44-:13]]}; + assign level_intpend_id[8 * ((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : ((((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1))) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) - (((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1)) - 1) : ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : ((((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1))) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - (((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : ((((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1))) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) - (((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1)) - 1) : ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) : ((((NUM_LEVELS >= 0 ? 0 : NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1) : (pt[44-:13] + 1) - ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 1 : ((pt[44-:13] + 1) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1))) + ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) - 1)) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1)))))+:8 * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))] = {{16 {1'b1}}, intpend_id[8 * ((pt[44-:13] - 1) - (pt[44-:13] - 1))+:8 * pt[44-:13]]}; + for (l = 0; l < NUM_LEVELS; l = l + 1) begin : LEVEL + for (m = 0; m <= (pt[44-:13] / (2 ** (l + 1))); m = m + 1) begin : COMPARE + if (m == (pt[44-:13] / (2 ** (l + 1)))) begin + assign level_intpend_w_prior_en[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? l + 1 : NUM_LEVELS - (l + 1)) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? m + 1 : (pt[44-:13] + 1) - (m + 1)) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? l + 1 : NUM_LEVELS - (l + 1)) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? m + 1 : (pt[44-:13] + 1) - (m + 1))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 4+:4] = {4 {1'sb0}}; + assign level_intpend_id[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? l + 1 : NUM_LEVELS - (l + 1)) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? m + 1 : (pt[44-:13] + 1) - (m + 1)) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? l + 1 : NUM_LEVELS - (l + 1)) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? m + 1 : (pt[44-:13] + 1) - (m + 1))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 8+:8] = {8 {1'sb0}}; + end + eb1_cmp_and_mux #( + .ID_BITS(ID_BITS), + .INTPRIORITY_BITS(INTPRIORITY_BITS) + ) cmp_l1( + .a_id(level_intpend_id[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? l : NUM_LEVELS - l) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? 2 * m : (pt[44-:13] + 1) - (2 * m)) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? l : NUM_LEVELS - l) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? 2 * m : (pt[44-:13] + 1) - (2 * m))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 8+:8]), + .a_priority(level_intpend_w_prior_en[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? l : NUM_LEVELS - l) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? 2 * m : (pt[44-:13] + 1) - (2 * m)) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? l : NUM_LEVELS - l) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? 2 * m : (pt[44-:13] + 1) - (2 * m))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 4+:4]), + .b_id(level_intpend_id[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? l : NUM_LEVELS - l) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? (2 * m) + 1 : (pt[44-:13] + 1) - ((2 * m) + 1)) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? l : NUM_LEVELS - l) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? (2 * m) + 1 : (pt[44-:13] + 1) - ((2 * m) + 1))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 8+:8]), + .b_priority(level_intpend_w_prior_en[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? l : NUM_LEVELS - l) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? (2 * m) + 1 : (pt[44-:13] + 1) - ((2 * m) + 1)) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? l : NUM_LEVELS - l) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? (2 * m) + 1 : (pt[44-:13] + 1) - ((2 * m) + 1))) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 4+:4]), + .out_id(level_intpend_id[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? l + 1 : NUM_LEVELS - (l + 1)) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? m : (pt[44-:13] + 1) - m) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? l + 1 : NUM_LEVELS - (l + 1)) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? m : (pt[44-:13] + 1) - m)) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 8+:8]), + .out_priority(level_intpend_w_prior_en[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? l + 1 : NUM_LEVELS - (l + 1)) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? m : (pt[44-:13] + 1) - m) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? l + 1 : NUM_LEVELS - (l + 1)) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? m : (pt[44-:13] + 1) - m)) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 4+:4]) + ); + end + end + assign claimid_in[7:0] = level_intpend_id[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? NUM_LEVELS : NUM_LEVELS - NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? NUM_LEVELS : NUM_LEVELS - NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1)) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 8+:8]; + assign selected_int_priority[3:0] = level_intpend_w_prior_en[((NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))) >= (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) ? ((NUM_LEVELS >= 0 ? NUM_LEVELS : NUM_LEVELS - NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1) : ((pt[44-:13] + 1) >= 0 ? NUM_LEVELS * (pt[44-:13] + 2) : (pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1))))) - ((((NUM_LEVELS >= 0 ? NUM_LEVELS : NUM_LEVELS - NUM_LEVELS) * ((pt[44-:13] + 1) >= 0 ? pt[44-:13] + 2 : 1 - (pt[44-:13] + 1))) + ((pt[44-:13] + 1) >= 0 ? 0 : pt[44-:13] + 1)) - (NUM_LEVELS >= 0 ? ((pt[44-:13] + 1) >= 0 ? ((NUM_LEVELS + 1) * (pt[44-:13] + 2)) - 1 : ((NUM_LEVELS + 1) * (1 - (pt[44-:13] + 1))) + pt[44-:13]) : ((pt[44-:13] + 1) >= 0 ? ((1 - NUM_LEVELS) * (pt[44-:13] + 2)) + ((NUM_LEVELS * (pt[44-:13] + 2)) - 1) : ((1 - NUM_LEVELS) * (1 - (pt[44-:13] + 1))) + (((pt[44-:13] + 1) + (NUM_LEVELS * (1 - (pt[44-:13] + 1)))) - 1))))) * 4+:4]; + end + endgenerate + assign config_reg_we = waddr_config_pic_match & picm_wren_ff; + assign config_reg_re = raddr_config_pic_match & picm_rden_ff; + assign config_reg_in = picm_wr_data_ff[0]; + rvdffs #(.WIDTH(1)) config_reg_ff( + .rst_l(rst_l), + .clk(free_clk), + .en(config_reg_we), + .din(config_reg_in), + .dout(config_reg) + ); + assign intpriord = config_reg; + assign pl_in_q[3:0] = (intpriord ? ~pl_in : pl_in); + rvdff #(.WIDTH(ID_BITS)) claimid_ff( + .rst_l(rst_l), + .din(claimid_in[7:0]), + .dout(claimid[7:0]), + .clk(free_clk) + ); + rvdff #(.WIDTH(INTPRIORITY_BITS)) pl_ff( + .rst_l(rst_l), + .din(pl_in_q[3:0]), + .dout(pl[3:0]), + .clk(free_clk) + ); + wire [3:0] meipt_inv; + wire [3:0] meicurpl_inv; + assign meipt_inv[3:0] = (intpriord ? ~meipt[3:0] : meipt[3:0]); + assign meicurpl_inv[3:0] = (intpriord ? ~meicurpl[3:0] : meicurpl[3:0]); + assign mexintpend_in = (selected_int_priority[3:0] > meipt_inv[3:0]) & (selected_int_priority[3:0] > meicurpl_inv[3:0]); + rvdff #(.WIDTH(1)) mexintpend_ff( + .rst_l(rst_l), + .clk(free_clk), + .din(mexintpend_in), + .dout(mexintpend) + ); + assign maxint[3:0] = (intpriord ? 0 : 15); + assign mhwakeup_in = pl_in_q[3:0] == maxint; + rvdff #(.WIDTH(1)) wake_up_ff( + .rst_l(rst_l), + .clk(free_clk), + .din(mhwakeup_in), + .dout(mhwakeup) + ); + assign intpend_reg_read = addr_intpend_base_match & picm_rden_ff; + assign intpriority_reg_read = raddr_intpriority_base_match & picm_rden_ff; + assign intenable_reg_read = raddr_intenable_base_match & picm_rden_ff; + assign gw_config_reg_read = raddr_config_gw_base_match & picm_rden_ff; + assign intpend_reg_extended[INTPEND_SIZE - 1:0] = {{INTPEND_SIZE - pt[44-:13] {1'b0}}, extintsrc_req_gw[pt[44-:13] - 1:0]}; + generate + for (i = 0; i < INT_GRPS; i = i + 1) assign intpend_rd_part_out[i * 32+:32] = {32 {intpend_reg_read & (picm_raddr_ff[5:2] == i)}} & intpend_reg_extended[(32 * i) + 31:32 * i]; + endgenerate + always @(*) begin : INTPEND_RD + intpend_rd_out = {32 {1'sb0}}; + begin : sv2v_autoblock_34 + reg signed [31:0] i; + for (i = 0; i < INT_GRPS; i = i + 1) + intpend_rd_out = intpend_rd_out | intpend_rd_part_out[i * 32+:32]; + end + end + always @(*) begin : INTEN_RD + intenable_rd_out = 1'b0; + intpriority_rd_out = {4 {1'sb0}}; + gw_config_rd_out = {2 {1'sb0}}; + begin : sv2v_autoblock_35 + reg signed [31:0] i; + for (i = 0; i < pt[44-:13]; i = i + 1) + begin + if (intenable_reg_re[i]) + intenable_rd_out = intenable_reg[i]; + if (intpriority_reg_re[i]) + intpriority_rd_out = intpriority_reg[i * 4+:4]; + if (gw_config_reg_re[i]) + gw_config_rd_out = gw_config_reg[i * 2+:2]; + end + end + end + assign picm_rd_data_in[31:0] = (((((((({32 {intpend_reg_read}} & intpend_rd_out) | ({32 {intpriority_reg_read}} & {{28 {1'b0}}, intpriority_rd_out})) | ({32 {intenable_reg_read}} & {31'b0000000000000000000000000000000, intenable_rd_out})) | ({32 {gw_config_reg_read}} & {30'b000000000000000000000000000000, gw_config_rd_out})) | ({32 {config_reg_re}} & {31'b0000000000000000000000000000000, config_reg})) | ({32 {picm_mken_ff & mask[3]}} & 32'b00000000000000000000000000000011)) | ({32 {picm_mken_ff & mask[2]}} & 32'b00000000000000000000000000000001)) | ({32 {picm_mken_ff & mask[1]}} & 32'b00000000000000000000000000001111)) | ({32 {picm_mken_ff & mask[0]}} & 32'b00000000000000000000000000000000); + assign picm_rd_data[31:0] = (picm_bypass_ff ? picm_wr_data_ff[31:0] : picm_rd_data_in[31:0]); + wire [14:0] address; + assign address[14:0] = picm_raddr_ff[14:0]; + always @(*) + case (address[14:0]) + 15'b011000000000000: mask[3:0] = 4'b0100; + 15'b100000000000100: mask[3:0] = 4'b1000; + 15'b100000000001000: mask[3:0] = 4'b1000; + 15'b100000000001100: mask[3:0] = 4'b1000; + 15'b100000000010000: mask[3:0] = 4'b1000; + 15'b100000000010100: mask[3:0] = 4'b1000; + 15'b100000000011000: mask[3:0] = 4'b1000; + 15'b100000000011100: mask[3:0] = 4'b1000; + 15'b100000000100000: mask[3:0] = 4'b1000; + 15'b100000000100100: mask[3:0] = 4'b1000; + 15'b100000000101000: mask[3:0] = 4'b1000; + 15'b100000000101100: mask[3:0] = 4'b1000; + 15'b100000000110000: mask[3:0] = 4'b1000; + 15'b100000000110100: mask[3:0] = 4'b1000; + 15'b100000000111000: mask[3:0] = 4'b1000; + 15'b100000000111100: mask[3:0] = 4'b1000; + 15'b100000001000000: mask[3:0] = 4'b1000; + 15'b100000001000100: mask[3:0] = 4'b1000; + 15'b100000001001000: mask[3:0] = 4'b1000; + 15'b100000001001100: mask[3:0] = 4'b1000; + 15'b100000001010000: mask[3:0] = 4'b1000; + 15'b100000001010100: mask[3:0] = 4'b1000; + 15'b100000001011000: mask[3:0] = 4'b1000; + 15'b100000001011100: mask[3:0] = 4'b1000; + 15'b100000001100000: mask[3:0] = 4'b1000; + 15'b100000001100100: mask[3:0] = 4'b1000; + 15'b100000001101000: mask[3:0] = 4'b1000; + 15'b100000001101100: mask[3:0] = 4'b1000; + 15'b100000001110000: mask[3:0] = 4'b1000; + 15'b100000001110100: mask[3:0] = 4'b1000; + 15'b100000001111000: mask[3:0] = 4'b1000; + 15'b100000001111100: mask[3:0] = 4'b1000; + 15'b010000000000100: mask[3:0] = 4'b0100; + 15'b010000000001000: mask[3:0] = 4'b0100; + 15'b010000000001100: mask[3:0] = 4'b0100; + 15'b010000000010000: mask[3:0] = 4'b0100; + 15'b010000000010100: mask[3:0] = 4'b0100; + 15'b010000000011000: mask[3:0] = 4'b0100; + 15'b010000000011100: mask[3:0] = 4'b0100; + 15'b010000000100000: mask[3:0] = 4'b0100; + 15'b010000000100100: mask[3:0] = 4'b0100; + 15'b010000000101000: mask[3:0] = 4'b0100; + 15'b010000000101100: mask[3:0] = 4'b0100; + 15'b010000000110000: mask[3:0] = 4'b0100; + 15'b010000000110100: mask[3:0] = 4'b0100; + 15'b010000000111000: mask[3:0] = 4'b0100; + 15'b010000000111100: mask[3:0] = 4'b0100; + 15'b010000001000000: mask[3:0] = 4'b0100; + 15'b010000001000100: mask[3:0] = 4'b0100; + 15'b010000001001000: mask[3:0] = 4'b0100; + 15'b010000001001100: mask[3:0] = 4'b0100; + 15'b010000001010000: mask[3:0] = 4'b0100; + 15'b010000001010100: mask[3:0] = 4'b0100; + 15'b010000001011000: mask[3:0] = 4'b0100; + 15'b010000001011100: mask[3:0] = 4'b0100; + 15'b010000001100000: mask[3:0] = 4'b0100; + 15'b010000001100100: mask[3:0] = 4'b0100; + 15'b010000001101000: mask[3:0] = 4'b0100; + 15'b010000001101100: mask[3:0] = 4'b0100; + 15'b010000001110000: mask[3:0] = 4'b0100; + 15'b010000001110100: mask[3:0] = 4'b0100; + 15'b010000001111000: mask[3:0] = 4'b0100; + 15'b010000001111100: mask[3:0] = 4'b0100; + 15'b000000000000100: mask[3:0] = 4'b0010; + 15'b000000000001000: mask[3:0] = 4'b0010; + 15'b000000000001100: mask[3:0] = 4'b0010; + 15'b000000000010000: mask[3:0] = 4'b0010; + 15'b000000000010100: mask[3:0] = 4'b0010; + 15'b000000000011000: mask[3:0] = 4'b0010; + 15'b000000000011100: mask[3:0] = 4'b0010; + 15'b000000000100000: mask[3:0] = 4'b0010; + 15'b000000000100100: mask[3:0] = 4'b0010; + 15'b000000000101000: mask[3:0] = 4'b0010; + 15'b000000000101100: mask[3:0] = 4'b0010; + 15'b000000000110000: mask[3:0] = 4'b0010; + 15'b000000000110100: mask[3:0] = 4'b0010; + 15'b000000000111000: mask[3:0] = 4'b0010; + 15'b000000000111100: mask[3:0] = 4'b0010; + 15'b000000001000000: mask[3:0] = 4'b0010; + 15'b000000001000100: mask[3:0] = 4'b0010; + 15'b000000001001000: mask[3:0] = 4'b0010; + 15'b000000001001100: mask[3:0] = 4'b0010; + 15'b000000001010000: mask[3:0] = 4'b0010; + 15'b000000001010100: mask[3:0] = 4'b0010; + 15'b000000001011000: mask[3:0] = 4'b0010; + 15'b000000001011100: mask[3:0] = 4'b0010; + 15'b000000001100000: mask[3:0] = 4'b0010; + 15'b000000001100100: mask[3:0] = 4'b0010; + 15'b000000001101000: mask[3:0] = 4'b0010; + 15'b000000001101100: mask[3:0] = 4'b0010; + 15'b000000001110000: mask[3:0] = 4'b0010; + 15'b000000001110100: mask[3:0] = 4'b0010; + 15'b000000001111000: mask[3:0] = 4'b0010; + 15'b000000001111100: mask[3:0] = 4'b0010; + default: mask[3:0] = 4'b0001; + endcase +endmodule +module eb1_cmp_and_mux ( + a_id, + a_priority, + b_id, + b_priority, + out_id, + out_priority +); + parameter ID_BITS = 8; + parameter INTPRIORITY_BITS = 4; + input wire [ID_BITS - 1:0] a_id; + input wire [INTPRIORITY_BITS - 1:0] a_priority; + input wire [ID_BITS - 1:0] b_id; + input wire [INTPRIORITY_BITS - 1:0] b_priority; + output wire [ID_BITS - 1:0] out_id; + output wire [INTPRIORITY_BITS - 1:0] out_priority; + wire a_is_lt_b; + assign a_is_lt_b = a_priority[INTPRIORITY_BITS - 1:0] < b_priority[INTPRIORITY_BITS - 1:0]; + assign out_id[ID_BITS - 1:0] = (a_is_lt_b ? b_id[ID_BITS - 1:0] : a_id[ID_BITS - 1:0]); + assign out_priority[INTPRIORITY_BITS - 1:0] = (a_is_lt_b ? b_priority[INTPRIORITY_BITS - 1:0] : a_priority[INTPRIORITY_BITS - 1:0]); +endmodule +module eb1_configurable_gw ( + gw_clk, + rawclk, + clken, + rst_l, + extintsrc_req_sync, + meigwctrl_polarity, + meigwctrl_type, + meigwclr, + extintsrc_req_config +); + input wire gw_clk; + input wire rawclk; + input wire clken; + input wire rst_l; + input wire extintsrc_req_sync; + input wire meigwctrl_polarity; + input wire meigwctrl_type; + input wire meigwclr; + output wire extintsrc_req_config; + wire gw_int_pending_in; + wire gw_int_pending; + assign gw_int_pending_in = (extintsrc_req_sync ^ meigwctrl_polarity) | (gw_int_pending & ~meigwclr); + rvdff_fpga #(.WIDTH(1)) int_pend_ff( + .rst_l(rst_l), + .clk(gw_clk), + .rawclk(rawclk), + .clken(clken), + .din(gw_int_pending_in), + .dout(gw_int_pending) + ); + assign extintsrc_req_config = (meigwctrl_type ? (extintsrc_req_sync ^ meigwctrl_polarity) | gw_int_pending : extintsrc_req_sync ^ meigwctrl_polarity); +endmodule +module ahb_to_axi4 ( + clk, + rst_l, + scan_mode, + bus_clk_en, + clk_override, + axi_awvalid, + axi_awready, + axi_awid, + axi_awaddr, + axi_awsize, + axi_awprot, + axi_awlen, + axi_awburst, + axi_wvalid, + axi_wready, + axi_wdata, + axi_wstrb, + axi_wlast, + axi_bvalid, + axi_bready, + axi_bresp, + axi_bid, + axi_arvalid, + axi_arready, + axi_arid, + axi_araddr, + axi_arsize, + axi_arprot, + axi_arlen, + axi_arburst, + axi_rvalid, + axi_rready, + axi_rid, + axi_rdata, + axi_rresp, + ahb_haddr, + ahb_hburst, + ahb_hmastlock, + ahb_hprot, + ahb_hsize, + ahb_htrans, + ahb_hwrite, + ahb_hwdata, + ahb_hsel, + ahb_hreadyin, + ahb_hrdata, + ahb_hreadyout, + ahb_hresp +); + parameter TAG = 1; + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input clk; + input rst_l; + input scan_mode; + input bus_clk_en; + input clk_override; + output wire axi_awvalid; + input wire axi_awready; + output wire [TAG - 1:0] axi_awid; + output wire [31:0] axi_awaddr; + output wire [2:0] axi_awsize; + output wire [2:0] axi_awprot; + output wire [7:0] axi_awlen; + output wire [1:0] axi_awburst; + output wire axi_wvalid; + input wire axi_wready; + output wire [63:0] axi_wdata; + output wire [7:0] axi_wstrb; + output wire axi_wlast; + input wire axi_bvalid; + output wire axi_bready; + input wire [1:0] axi_bresp; + input wire [TAG - 1:0] axi_bid; + output wire axi_arvalid; + input wire axi_arready; + output wire [TAG - 1:0] axi_arid; + output wire [31:0] axi_araddr; + output wire [2:0] axi_arsize; + output wire [2:0] axi_arprot; + output wire [7:0] axi_arlen; + output wire [1:0] axi_arburst; + input wire axi_rvalid; + output wire axi_rready; + input wire [TAG - 1:0] axi_rid; + input wire [63:0] axi_rdata; + input wire [1:0] axi_rresp; + input wire [31:0] ahb_haddr; + input wire [2:0] ahb_hburst; + input wire ahb_hmastlock; + input wire [3:0] ahb_hprot; + input wire [2:0] ahb_hsize; + input wire [1:0] ahb_htrans; + input wire ahb_hwrite; + input wire [63:0] ahb_hwdata; + input wire ahb_hsel; + input wire ahb_hreadyin; + output wire [63:0] ahb_hrdata; + output wire ahb_hreadyout; + output wire ahb_hresp; + wire [7:0] master_wstrb; + wire [1:0] buf_state; + reg [1:0] buf_nxtstate; + reg buf_state_en; + reg buf_read_error_in; + wire buf_read_error; + wire [63:0] buf_rdata; + wire ahb_hready; + wire ahb_hready_q; + wire [1:0] ahb_htrans_in; + wire [1:0] ahb_htrans_q; + wire [2:0] ahb_hsize_q; + wire ahb_hwrite_q; + wire [31:0] ahb_haddr_q; + wire [63:0] ahb_hwdata_q; + wire ahb_hresp_q; + wire ahb_addr_in_dccm; + wire ahb_addr_in_iccm; + wire ahb_addr_in_pic; + wire ahb_addr_in_dccm_region_nc; + wire ahb_addr_in_iccm_region_nc; + wire ahb_addr_in_pic_region_nc; + reg buf_rdata_en; + wire ahb_addr_clk_en; + wire buf_rdata_clk_en; + wire bus_clk; + wire ahb_addr_clk; + wire buf_rdata_clk; + reg cmdbuf_wr_en; + wire cmdbuf_rst; + wire cmdbuf_full; + wire cmdbuf_vld; + wire cmdbuf_write; + wire [1:0] cmdbuf_size; + wire [7:0] cmdbuf_wstrb; + wire [31:0] cmdbuf_addr; + wire [63:0] cmdbuf_wdata; + localparam [1:0] IDLE = 2'b00; + localparam [1:0] PEND = 2'b11; + localparam [1:0] RD = 2'b10; + localparam [1:0] WR = 2'b01; + always @(*) begin + buf_nxtstate = IDLE; + buf_state_en = 1'b0; + buf_rdata_en = 1'b0; + buf_read_error_in = 1'b0; + cmdbuf_wr_en = 1'b0; + case (buf_state) + IDLE: begin + buf_nxtstate = (ahb_hwrite ? WR : RD); + buf_state_en = (ahb_hready & ahb_htrans[1]) & ahb_hsel; + end + WR: begin + buf_nxtstate = ((ahb_hresp | (ahb_htrans[1:0] == 2'b00)) | ~ahb_hsel ? IDLE : (ahb_hwrite ? WR : RD)); + buf_state_en = ~cmdbuf_full | ahb_hresp; + cmdbuf_wr_en = ~cmdbuf_full & ~(ahb_hresp | ((ahb_htrans[1:0] == 2'b01) & ahb_hsel)); + end + RD: begin + buf_nxtstate = (ahb_hresp ? IDLE : PEND); + buf_state_en = ~cmdbuf_full | ahb_hresp; + cmdbuf_wr_en = ~ahb_hresp & ~cmdbuf_full; + end + PEND: begin + buf_nxtstate = IDLE; + buf_state_en = axi_rvalid & ~cmdbuf_write; + buf_rdata_en = buf_state_en; + buf_read_error_in = buf_state_en & |axi_rresp[1:0]; + end + endcase + end + rvdffs_fpga #(.WIDTH(2)) state_reg( + .rst_l(rst_l), + .din(buf_nxtstate), + .dout({buf_state}), + .en(buf_state_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk) + ); + assign master_wstrb[7:0] = ((({8 {ahb_hsize_q[2:0] == 3'b000}} & (8'b00000001 << ahb_haddr_q[2:0])) | ({8 {ahb_hsize_q[2:0] == 3'b001}} & (8'b00000011 << ahb_haddr_q[2:0]))) | ({8 {ahb_hsize_q[2:0] == 3'b010}} & (8'b00001111 << ahb_haddr_q[2:0]))) | ({8 {ahb_hsize_q[2:0] == 3'b011}} & 8'b11111111); + assign ahb_hreadyout = (ahb_hresp ? ahb_hresp_q & ~ahb_hready_q : ((~cmdbuf_full | (buf_state == IDLE)) & ~((buf_state == RD) | (buf_state == PEND))) & ~buf_read_error); + assign ahb_hready = ahb_hreadyout & ahb_hreadyin; + assign ahb_htrans_in[1:0] = {2 {ahb_hsel}} & ahb_htrans[1:0]; + assign ahb_hrdata[63:0] = buf_rdata[63:0]; + assign ahb_hresp = ((((ahb_htrans_q[1:0] != 2'b00) & (buf_state != IDLE)) & ((((~(ahb_addr_in_dccm | ahb_addr_in_iccm) | ((ahb_addr_in_iccm | (ahb_addr_in_dccm & ahb_hwrite_q)) & ~((ahb_hsize_q[1:0] == 2'b10) | (ahb_hsize_q[1:0] == 2'b11)))) | ((ahb_hsize_q[2:0] == 3'h1) & ahb_haddr_q[0])) | ((ahb_hsize_q[2:0] == 3'h2) & |ahb_haddr_q[1:0])) | ((ahb_hsize_q[2:0] == 3'h3) & |ahb_haddr_q[2:0]))) | buf_read_error) | (ahb_hresp_q & ~ahb_hready_q); + rvdff_fpga #(.WIDTH(64)) buf_rdata_ff( + .din(axi_rdata[63:0]), + .dout(buf_rdata[63:0]), + .clk(buf_rdata_clk), + .clken(buf_rdata_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) buf_read_error_ff( + .din(buf_read_error_in), + .dout(buf_read_error), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) hresp_ff( + .din(ahb_hresp), + .dout(ahb_hresp_q), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) hready_ff( + .din(ahb_hready), + .dout(ahb_hready_q), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(2)) htrans_ff( + .din(ahb_htrans_in[1:0]), + .dout(ahb_htrans_q[1:0]), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(3)) hsize_ff( + .din(ahb_hsize[2:0]), + .dout(ahb_hsize_q[2:0]), + .clk(ahb_addr_clk), + .clken(ahb_addr_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) hwrite_ff( + .din(ahb_hwrite), + .dout(ahb_hwrite_q), + .clk(ahb_addr_clk), + .clken(ahb_addr_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(32)) haddr_ff( + .din(ahb_haddr[31:0]), + .dout(ahb_haddr_q[31:0]), + .clk(ahb_addr_clk), + .clken(ahb_addr_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvrangecheck #( + .CCM_SADR(pt[1325-:36]), + .CCM_SIZE(pt[1289-:14]) + ) addr_dccm_rangecheck( + .addr(ahb_haddr_q[31:0]), + .in_range(ahb_addr_in_dccm), + .in_region(ahb_addr_in_dccm_region_nc) + ); + generate + if (pt[927-:5] == 1) begin : GenICCM + rvrangecheck #( + .CCM_SADR(pt[887-:36]), + .CCM_SIZE(pt[851-:14]) + ) addr_iccm_rangecheck( + .addr(ahb_haddr_q[31:0]), + .in_range(ahb_addr_in_iccm), + .in_region(ahb_addr_in_iccm_region_nc) + ); + end + else begin : GenNoICCM + assign ahb_addr_in_iccm = 1'b0; + assign ahb_addr_in_iccm_region_nc = 1'b0; + end + endgenerate + rvrangecheck #( + .CCM_SADR(pt[130-:36]), + .CCM_SIZE(pt[69-:13]) + ) addr_pic_rangecheck( + .addr(ahb_haddr_q[31:0]), + .in_range(ahb_addr_in_pic), + .in_region(ahb_addr_in_pic_region_nc) + ); + assign cmdbuf_rst = (((axi_awvalid & axi_awready) | (axi_arvalid & axi_arready)) & ~cmdbuf_wr_en) | (ahb_hresp & ~cmdbuf_write); + assign cmdbuf_full = cmdbuf_vld & ~((axi_awvalid & axi_awready) | (axi_arvalid & axi_arready)); + rvdffsc_fpga #(.WIDTH(1)) cmdbuf_vldff( + .din(1'b1), + .dout(cmdbuf_vld), + .en(cmdbuf_wr_en), + .clear(cmdbuf_rst), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(1)) cmdbuf_writeff( + .din(ahb_hwrite_q), + .dout(cmdbuf_write), + .en(cmdbuf_wr_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(2)) cmdbuf_sizeff( + .din(ahb_hsize_q[1:0]), + .dout(cmdbuf_size[1:0]), + .en(cmdbuf_wr_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(8)) cmdbuf_wstrbff( + .din(master_wstrb[7:0]), + .dout(cmdbuf_wstrb[7:0]), + .en(cmdbuf_wr_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) cmdbuf_addrff( + .din(ahb_haddr_q[31:0]), + .dout(cmdbuf_addr[31:0]), + .en(cmdbuf_wr_en & bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffe #(.WIDTH(64)) cmdbuf_wdataff( + .din(ahb_hwdata[63:0]), + .dout(cmdbuf_wdata[63:0]), + .en(cmdbuf_wr_en & bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + assign axi_awvalid = cmdbuf_vld & cmdbuf_write; + assign axi_awid[TAG - 1:0] = {TAG {1'sb0}}; + assign axi_awaddr[31:0] = cmdbuf_addr[31:0]; + assign axi_awsize[2:0] = {1'b0, cmdbuf_size[1:0]}; + assign axi_awprot[2:0] = 3'b000; + assign axi_awlen[7:0] = {8 {1'sb0}}; + assign axi_awburst[1:0] = 2'b01; + assign axi_wvalid = cmdbuf_vld & cmdbuf_write; + assign axi_wdata[63:0] = cmdbuf_wdata[63:0]; + assign axi_wstrb[7:0] = cmdbuf_wstrb[7:0]; + assign axi_wlast = 1'b1; + assign axi_bready = 1'b1; + assign axi_arvalid = cmdbuf_vld & ~cmdbuf_write; + assign axi_arid[TAG - 1:0] = {TAG {1'sb0}}; + assign axi_araddr[31:0] = cmdbuf_addr[31:0]; + assign axi_arsize[2:0] = {1'b0, cmdbuf_size[1:0]}; + assign axi_arprot = 3'b000; + assign axi_arlen[7:0] = {8 {1'sb0}}; + assign axi_arburst[1:0] = 2'b01; + assign axi_rready = 1'b1; + assign ahb_addr_clk_en = bus_clk_en & (ahb_hready & ahb_htrans[1]); + assign buf_rdata_clk_en = bus_clk_en & buf_rdata_en; + rvclkhdr bus_cgc( + .en(bus_clk_en), + .l1clk(bus_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvclkhdr ahb_addr_cgc( + .en(ahb_addr_clk_en), + .l1clk(ahb_addr_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvclkhdr buf_rdata_cgc( + .en(buf_rdata_clk_en), + .l1clk(buf_rdata_clk), + .clk(clk), + .scan_mode(scan_mode) + ); +endmodule +module dmi_jtag_to_core_sync ( + rd_en, + wr_en, + rst_n, + clk, + reg_en, + reg_wr_en +); + input rd_en; + input wr_en; + input rst_n; + input clk; + output reg_en; + output reg_wr_en; + wire c_rd_en; + wire c_wr_en; + reg [2:0] rden; + reg [2:0] wren; + assign reg_en = c_wr_en | c_rd_en; + assign reg_wr_en = c_wr_en; + always @(posedge clk or negedge rst_n) + if (!rst_n) begin + rden <= {3 {1'sb0}}; + wren <= {3 {1'sb0}}; + end + else begin + rden <= {rden[1:0], rd_en}; + wren <= {wren[1:0], wr_en}; + end + assign c_rd_en = rden[1] & ~rden[2]; + assign c_wr_en = wren[1] & ~wren[2]; +endmodule +module axi4_to_ahb ( + clk, + free_clk, + rst_l, + scan_mode, + bus_clk_en, + clk_override, + dec_tlu_force_halt, + axi_awvalid, + axi_awready, + axi_awid, + axi_awaddr, + axi_awsize, + axi_awprot, + axi_wvalid, + axi_wready, + axi_wdata, + axi_wstrb, + axi_wlast, + axi_bvalid, + axi_bready, + axi_bresp, + axi_bid, + axi_arvalid, + axi_arready, + axi_arid, + axi_araddr, + axi_arsize, + axi_arprot, + axi_rvalid, + axi_rready, + axi_rid, + axi_rdata, + axi_rresp, + axi_rlast, + ahb_haddr, + ahb_hburst, + ahb_hmastlock, + ahb_hprot, + ahb_hsize, + ahb_htrans, + ahb_hwrite, + ahb_hwdata, + ahb_hrdata, + ahb_hready, + ahb_hresp +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + parameter TAG = 1; + input clk; + input free_clk; + input rst_l; + input scan_mode; + input bus_clk_en; + input clk_override; + input dec_tlu_force_halt; + input wire axi_awvalid; + output wire axi_awready; + input wire [TAG - 1:0] axi_awid; + input wire [31:0] axi_awaddr; + input wire [2:0] axi_awsize; + input wire [2:0] axi_awprot; + input wire axi_wvalid; + output wire axi_wready; + input wire [63:0] axi_wdata; + input wire [7:0] axi_wstrb; + input wire axi_wlast; + output wire axi_bvalid; + input wire axi_bready; + output wire [1:0] axi_bresp; + output wire [TAG - 1:0] axi_bid; + input wire axi_arvalid; + output wire axi_arready; + input wire [TAG - 1:0] axi_arid; + input wire [31:0] axi_araddr; + input wire [2:0] axi_arsize; + input wire [2:0] axi_arprot; + output wire axi_rvalid; + input wire axi_rready; + output wire [TAG - 1:0] axi_rid; + output wire [63:0] axi_rdata; + output wire [1:0] axi_rresp; + output wire axi_rlast; + output wire [31:0] ahb_haddr; + output wire [2:0] ahb_hburst; + output wire ahb_hmastlock; + output wire [3:0] ahb_hprot; + output wire [2:0] ahb_hsize; + output reg [1:0] ahb_htrans; + output wire ahb_hwrite; + output wire [63:0] ahb_hwdata; + input wire [63:0] ahb_hrdata; + input wire ahb_hready; + input wire ahb_hresp; + localparam ID = 1; + localparam PRTY = 1; + wire [2:0] buf_state; + reg [2:0] buf_nxtstate; + wire slave_valid; + wire slave_ready; + wire [TAG - 1:0] slave_tag; + wire [63:0] slave_rdata; + wire [3:0] slave_opc; + wire wrbuf_en; + wire wrbuf_data_en; + wire wrbuf_cmd_sent; + wire wrbuf_rst; + wire wrbuf_vld; + wire wrbuf_data_vld; + wire [TAG - 1:0] wrbuf_tag; + wire [2:0] wrbuf_size; + wire [31:0] wrbuf_addr; + wire [63:0] wrbuf_data; + wire [7:0] wrbuf_byteen; + wire master_valid; + reg master_ready; + wire [TAG - 1:0] master_tag; + wire [31:0] master_addr; + wire [63:0] master_wdata; + wire [2:0] master_size; + wire [2:0] master_opc; + wire [7:0] master_byteen; + wire [31:0] buf_addr; + wire [1:0] buf_size; + wire buf_write; + wire [7:0] buf_byteen; + wire buf_aligned; + wire [63:0] buf_data; + wire [TAG - 1:0] buf_tag; + wire buf_rst; + wire [TAG - 1:0] buf_tag_in; + wire [31:0] buf_addr_in; + wire [7:0] buf_byteen_in; + wire [63:0] buf_data_in; + reg buf_write_in; + wire buf_aligned_in; + wire [2:0] buf_size_in; + reg buf_state_en; + reg buf_wr_en; + reg buf_data_wr_en; + reg slvbuf_error_en; + wire wr_cmd_vld; + wire cmd_done_rst; + reg cmd_done; + wire cmd_doneQ; + reg trxn_done; + reg [2:0] buf_cmd_byte_ptr; + wire [2:0] buf_cmd_byte_ptrQ; + wire [2:0] buf_cmd_nxtbyte_ptr; + reg buf_cmd_byte_ptr_en; + wire found; + reg slave_valid_pre; + wire ahb_hready_q; + wire ahb_hresp_q; + wire [1:0] ahb_htrans_q; + wire ahb_hwrite_q; + wire [63:0] ahb_hrdata_q; + wire slvbuf_write; + wire slvbuf_error; + wire [TAG - 1:0] slvbuf_tag; + reg slvbuf_error_in; + reg slvbuf_wr_en; + reg bypass_en; + reg rd_bypass_idle; + wire last_addr_en; + wire [31:0] last_bus_addr; + wire buf_clken; + wire ahbm_data_clken; + wire buf_clk; + wire bus_clk; + wire ahbm_data_clk; + wire dec_tlu_force_halt_bus; + wire dec_tlu_force_halt_bus_ns; + wire dec_tlu_force_halt_bus_q; + function automatic [1:0] get_write_size; + input reg [7:0] byteen; + reg [1:0] size; + begin + size[1:0] = ((2'b11 & {2 {byteen[7:0] == 8'hff}}) | (2'b10 & {2 {(byteen[7:0] == 8'hf0) | (byteen[7:0] == 8'h0f)}})) | (2'b01 & {2 {(((byteen[7:0] == 8'hc0) | (byteen[7:0] == 8'h30)) | (byteen[7:0] == 8'h0c)) | (byteen[7:0] == 8'h03)}}); + get_write_size = size[1:0]; + end + endfunction + function automatic [2:0] get_write_addr; + input reg [7:0] byteen; + reg [2:0] addr; + begin + addr[2:0] = (((3'h0 & {3 {((byteen[7:0] == 8'hff) | (byteen[7:0] == 8'h0f)) | (byteen[7:0] == 8'h03)}}) | (3'h2 & {3 {byteen[7:0] == 8'h0c}})) | (3'h4 & {3 {(byteen[7:0] == 8'hf0) | (byteen[7:0] == 8'h03)}})) | (3'h6 & {3 {byteen[7:0] == 8'hc0}}); + get_write_addr = addr[2:0]; + end + endfunction + function automatic signed [2:0] sv2v_cast_3_signed; + input reg signed [2:0] inp; + sv2v_cast_3_signed = inp; + endfunction + function automatic [2:0] get_nxtbyte_ptr; + input reg [2:0] current_byte_ptr; + input reg [7:0] byteen; + input reg get_next; + reg [2:0] start_ptr; + reg found; + begin + found = 1'b0; + start_ptr[2:0] = (get_next ? current_byte_ptr[2:0] + 3'b001 : current_byte_ptr[2:0]); + begin : sv2v_autoblock_36 + reg signed [31:0] j; + for (j = 0; j < 8; j = j + 1) + if (~found) begin + get_nxtbyte_ptr[2:0] = sv2v_cast_3_signed(j); + found = found | (byteen[j] & (sv2v_cast_3_signed(j) >= start_ptr[2:0])); + end + end + end + endfunction + assign dec_tlu_force_halt_bus = dec_tlu_force_halt | dec_tlu_force_halt_bus_q; + assign dec_tlu_force_halt_bus_ns = ~bus_clk_en & dec_tlu_force_halt_bus; + rvdff #(.WIDTH(1)) force_halt_busff( + .din(dec_tlu_force_halt_bus_ns), + .dout(dec_tlu_force_halt_bus_q), + .clk(free_clk), + .rst_l(rst_l) + ); + assign wrbuf_en = (axi_awvalid & axi_awready) & master_ready; + assign wrbuf_data_en = (axi_wvalid & axi_wready) & master_ready; + assign wrbuf_cmd_sent = (master_valid & master_ready) & (master_opc[2:1] == 2'b01); + assign wrbuf_rst = (wrbuf_cmd_sent & ~wrbuf_en) | dec_tlu_force_halt_bus; + assign axi_awready = ~(wrbuf_vld & ~wrbuf_cmd_sent) & master_ready; + assign axi_wready = ~(wrbuf_data_vld & ~wrbuf_cmd_sent) & master_ready; + assign axi_arready = ~(wrbuf_vld & wrbuf_data_vld) & master_ready; + assign axi_rlast = 1'b1; + assign wr_cmd_vld = wrbuf_vld & wrbuf_data_vld; + assign master_valid = wr_cmd_vld | axi_arvalid; + assign master_tag[TAG - 1:0] = (wr_cmd_vld ? wrbuf_tag[TAG - 1:0] : axi_arid[TAG - 1:0]); + assign master_opc[2:0] = (wr_cmd_vld ? 3'b011 : 3'b000); + assign master_addr[31:0] = (wr_cmd_vld ? wrbuf_addr[31:0] : axi_araddr[31:0]); + assign master_size[2:0] = (wr_cmd_vld ? wrbuf_size[2:0] : axi_arsize[2:0]); + assign master_byteen[7:0] = wrbuf_byteen[7:0]; + assign master_wdata[63:0] = wrbuf_data[63:0]; + assign axi_bvalid = (slave_valid & slave_ready) & slave_opc[3]; + assign axi_bresp[1:0] = (slave_opc[0] ? 2'b10 : (slave_opc[1] ? 2'b11 : 2'b00)); + assign axi_bid[TAG - 1:0] = slave_tag[TAG - 1:0]; + assign axi_rvalid = (slave_valid & slave_ready) & (slave_opc[3:2] == 2'b00); + assign axi_rresp[1:0] = (slave_opc[0] ? 2'b10 : (slave_opc[1] ? 2'b11 : 2'b00)); + assign axi_rid[TAG - 1:0] = slave_tag[TAG - 1:0]; + assign axi_rdata[63:0] = slave_rdata[63:0]; + assign slave_ready = axi_bready & axi_rready; + localparam [2:0] CMD_RD = 3'b001; + localparam [2:0] CMD_WR = 3'b010; + localparam [2:0] DATA_RD = 3'b011; + localparam [2:0] DATA_WR = 3'b100; + localparam [2:0] DONE = 3'b101; + localparam [2:0] IDLE = 3'b000; + localparam [2:0] STREAM_ERR_RD = 3'b111; + localparam [2:0] STREAM_RD = 3'b110; + always @(*) begin + buf_nxtstate = IDLE; + buf_state_en = 1'b0; + buf_wr_en = 1'b0; + buf_data_wr_en = 1'b0; + slvbuf_error_in = 1'b0; + slvbuf_error_en = 1'b0; + buf_write_in = 1'b0; + cmd_done = 1'b0; + trxn_done = 1'b0; + buf_cmd_byte_ptr_en = 1'b0; + buf_cmd_byte_ptr[2:0] = {3 {1'sb0}}; + slave_valid_pre = 1'b0; + master_ready = 1'b0; + ahb_htrans[1:0] = 2'b00; + slvbuf_wr_en = 1'b0; + bypass_en = 1'b0; + rd_bypass_idle = 1'b0; + case (buf_state) + IDLE: begin + master_ready = 1'b1; + buf_write_in = master_opc[2:1] == 2'b01; + buf_nxtstate = (buf_write_in ? CMD_WR : CMD_RD); + buf_state_en = master_valid & master_ready; + buf_wr_en = buf_state_en; + buf_data_wr_en = buf_state_en & (buf_nxtstate == CMD_WR); + buf_cmd_byte_ptr_en = buf_state_en; + buf_cmd_byte_ptr[2:0] = (buf_write_in ? get_nxtbyte_ptr(3'b000, buf_byteen_in[7:0], 1'b0) : master_addr[2:0]); + bypass_en = buf_state_en; + rd_bypass_idle = bypass_en & (buf_nxtstate == CMD_RD); + ahb_htrans[1:0] = {2 {bypass_en}} & 2'b10; + end + CMD_RD: begin + buf_nxtstate = (master_valid & (master_opc[2:0] == 3'b000) ? STREAM_RD : DATA_RD); + buf_state_en = (ahb_hready_q & (ahb_htrans_q[1:0] != 2'b00)) & ~ahb_hwrite_q; + cmd_done = buf_state_en & ~master_valid; + slvbuf_wr_en = buf_state_en; + master_ready = buf_state_en & (buf_nxtstate == STREAM_RD); + buf_wr_en = master_ready; + bypass_en = master_ready & master_valid; + buf_cmd_byte_ptr[2:0] = (bypass_en ? master_addr[2:0] : buf_addr[2:0]); + ahb_htrans[1:0] = 2'b10 & {2 {~buf_state_en | bypass_en}}; + end + STREAM_RD: begin + master_ready = (ahb_hready_q & ~ahb_hresp_q) & ~(master_valid & (master_opc[2:1] == 2'b01)); + buf_wr_en = (master_valid & master_ready) & (master_opc[2:0] == 3'b000); + buf_nxtstate = (ahb_hresp_q ? STREAM_ERR_RD : (buf_wr_en ? STREAM_RD : DATA_RD)); + buf_state_en = ahb_hready_q | ahb_hresp_q; + buf_data_wr_en = buf_state_en; + slvbuf_error_in = ahb_hresp_q; + slvbuf_error_en = buf_state_en; + slave_valid_pre = buf_state_en & ~ahb_hresp_q; + cmd_done = buf_state_en & ~master_valid; + bypass_en = ((master_ready & master_valid) & (buf_nxtstate == STREAM_RD)) & buf_state_en; + buf_cmd_byte_ptr[2:0] = (bypass_en ? master_addr[2:0] : buf_addr[2:0]); + ahb_htrans[1:0] = 2'b10 & {2 {~((buf_nxtstate != STREAM_RD) & buf_state_en)}}; + slvbuf_wr_en = buf_wr_en; + end + STREAM_ERR_RD: begin + buf_nxtstate = DATA_RD; + buf_state_en = (ahb_hready_q & (ahb_htrans_q[1:0] != 2'b00)) & ~ahb_hwrite_q; + slave_valid_pre = buf_state_en; + slvbuf_wr_en = buf_state_en; + buf_cmd_byte_ptr[2:0] = buf_addr[2:0]; + ahb_htrans[1:0] = 2'b10 & {2 {~buf_state_en}}; + end + DATA_RD: begin + buf_nxtstate = DONE; + buf_state_en = ahb_hready_q | ahb_hresp_q; + buf_data_wr_en = buf_state_en; + slvbuf_error_in = ahb_hresp_q; + slvbuf_error_en = buf_state_en; + slvbuf_wr_en = buf_state_en; + end + CMD_WR: begin + buf_nxtstate = DATA_WR; + trxn_done = (ahb_hready_q & ahb_hwrite_q) & (ahb_htrans_q[1:0] != 2'b00); + buf_state_en = trxn_done; + buf_cmd_byte_ptr_en = buf_state_en; + slvbuf_wr_en = buf_state_en; + buf_cmd_byte_ptr = (trxn_done ? get_nxtbyte_ptr(buf_cmd_byte_ptrQ[2:0], buf_byteen[7:0], 1'b1) : buf_cmd_byte_ptrQ); + cmd_done = trxn_done & ((buf_aligned | (buf_cmd_byte_ptrQ == 3'b111)) | (buf_byteen[get_nxtbyte_ptr(buf_cmd_byte_ptrQ[2:0], buf_byteen[7:0], 1'b1)] == 1'b0)); + ahb_htrans[1:0] = {2 {~(cmd_done | cmd_doneQ)}} & 2'b10; + end + DATA_WR: begin + buf_state_en = (cmd_doneQ & ahb_hready_q) | ahb_hresp_q; + master_ready = (buf_state_en & ~ahb_hresp_q) & slave_ready; + buf_nxtstate = (ahb_hresp_q | ~slave_ready ? DONE : (master_valid & master_ready ? (master_opc[2:1] == 2'b01 ? CMD_WR : CMD_RD) : IDLE)); + slvbuf_error_in = ahb_hresp_q; + slvbuf_error_en = buf_state_en; + buf_write_in = master_opc[2:1] == 2'b01; + buf_wr_en = buf_state_en & ((buf_nxtstate == CMD_WR) | (buf_nxtstate == CMD_RD)); + buf_data_wr_en = buf_wr_en; + cmd_done = ahb_hresp_q | ((ahb_hready_q & (ahb_htrans_q[1:0] != 2'b00)) & ((buf_cmd_byte_ptrQ == 3'b111) | (buf_byteen[get_nxtbyte_ptr(buf_cmd_byte_ptrQ[2:0], buf_byteen[7:0], 1'b1)] == 1'b0))); + bypass_en = (buf_state_en & buf_write_in) & (buf_nxtstate == CMD_WR); + ahb_htrans[1:0] = {2 {~(cmd_done | cmd_doneQ) | bypass_en}} & 2'b10; + slave_valid_pre = buf_state_en & (buf_nxtstate != DONE); + trxn_done = (ahb_hready_q & ahb_hwrite_q) & (ahb_htrans_q[1:0] != 2'b00); + buf_cmd_byte_ptr_en = trxn_done | bypass_en; + buf_cmd_byte_ptr = (bypass_en ? get_nxtbyte_ptr(3'b000, buf_byteen_in[7:0], 1'b0) : (trxn_done ? get_nxtbyte_ptr(buf_cmd_byte_ptrQ[2:0], buf_byteen[7:0], 1'b1) : buf_cmd_byte_ptrQ)); + end + DONE: begin + buf_nxtstate = IDLE; + buf_state_en = slave_ready; + slvbuf_error_en = 1'b1; + slave_valid_pre = 1'b1; + end + endcase + end + assign buf_rst = dec_tlu_force_halt_bus; + assign cmd_done_rst = slave_valid_pre; + assign buf_addr_in[31:3] = master_addr[31:3]; + assign buf_addr_in[2:0] = (buf_aligned_in & (master_opc[2:1] == 2'b01) ? get_write_addr(master_byteen[7:0]) : master_addr[2:0]); + assign buf_tag_in[TAG - 1:0] = master_tag[TAG - 1:0]; + assign buf_byteen_in[7:0] = wrbuf_byteen[7:0]; + assign buf_data_in[63:0] = (buf_state == DATA_RD ? ahb_hrdata_q[63:0] : master_wdata[63:0]); + assign buf_size_in[1:0] = ((buf_aligned_in & (master_size[1:0] == 2'b11)) & (master_opc[2:1] == 2'b01) ? get_write_size(master_byteen[7:0]) : master_size[1:0]); + assign buf_aligned_in = ((((master_opc[2:0] == 3'b000) | (master_size[1:0] == 2'b00)) | (master_size[1:0] == 2'b01)) | (master_size[1:0] == 2'b10)) | ((master_size[1:0] == 2'b11) & (((((((master_byteen[7:0] == 8'h03) | (master_byteen[7:0] == 8'h0c)) | (master_byteen[7:0] == 8'h30)) | (master_byteen[7:0] == 8'hc0)) | (master_byteen[7:0] == 8'h0f)) | (master_byteen[7:0] == 8'hf0)) | (master_byteen[7:0] == 8'hff))); + assign ahb_haddr[31:3] = (bypass_en ? master_addr[31:3] : buf_addr[31:3]); + assign ahb_haddr[2:0] = {3 {ahb_htrans == 2'b10}} & buf_cmd_byte_ptr[2:0]; + assign ahb_hsize[2:0] = (bypass_en ? {1'b0, {2 {buf_aligned_in}} & buf_size_in[1:0]} : {1'b0, {2 {buf_aligned}} & buf_size[1:0]}); + assign ahb_hburst[2:0] = 3'b000; + assign ahb_hmastlock = 1'b0; + assign ahb_hprot[3:0] = {3'b001, ~axi_arprot[2]}; + assign ahb_hwrite = (bypass_en ? master_opc[2:1] == 2'b01 : buf_write); + assign ahb_hwdata[63:0] = buf_data[63:0]; + assign slave_valid = slave_valid_pre; + assign slave_opc[3:2] = (slvbuf_write ? 2'b11 : 2'b00); + assign slave_opc[1:0] = {2 {slvbuf_error}} & 2'b10; + assign slave_rdata[63:0] = (slvbuf_error ? {2 {last_bus_addr[31:0]}} : (buf_state == DONE ? buf_data[63:0] : ahb_hrdata_q[63:0])); + assign slave_tag[TAG - 1:0] = slvbuf_tag[TAG - 1:0]; + assign last_addr_en = ((ahb_htrans[1:0] != 2'b00) & ahb_hready) & ahb_hwrite; + rvdffsc_fpga #(.WIDTH(1)) wrbuf_vldff( + .din(1'b1), + .dout(wrbuf_vld), + .en(wrbuf_en), + .clear(wrbuf_rst), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffsc_fpga #(.WIDTH(1)) wrbuf_data_vldff( + .din(1'b1), + .dout(wrbuf_data_vld), + .en(wrbuf_data_en), + .clear(wrbuf_rst), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(TAG)) wrbuf_tagff( + .din(axi_awid[TAG - 1:0]), + .dout(wrbuf_tag[TAG - 1:0]), + .en(wrbuf_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(3)) wrbuf_sizeff( + .din(axi_awsize[2:0]), + .dout(wrbuf_size[2:0]), + .en(wrbuf_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) wrbuf_addrff( + .din(axi_awaddr[31:0]), + .dout(wrbuf_addr[31:0]), + .en(wrbuf_en & bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffe #(.WIDTH(64)) wrbuf_dataff( + .din(axi_wdata[63:0]), + .dout(wrbuf_data[63:0]), + .en(wrbuf_data_en & bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffs_fpga #(.WIDTH(8)) wrbuf_byteenff( + .din(axi_wstrb[7:0]), + .dout(wrbuf_byteen[7:0]), + .en(wrbuf_data_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(32)) last_bus_addrff( + .din(ahb_haddr[31:0]), + .dout(last_bus_addr[31:0]), + .en(last_addr_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffsc_fpga #(.WIDTH(3)) buf_state_ff( + .din(buf_nxtstate), + .dout({buf_state}), + .en(buf_state_en), + .clear(buf_rst), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(1)) buf_writeff( + .din(buf_write_in), + .dout(buf_write), + .en(buf_wr_en), + .clk(buf_clk), + .clken(buf_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(TAG)) buf_tagff( + .din(buf_tag_in[TAG - 1:0]), + .dout(buf_tag[TAG - 1:0]), + .en(buf_wr_en), + .clk(buf_clk), + .clken(buf_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) buf_addrff( + .din(buf_addr_in[31:0]), + .dout(buf_addr[31:0]), + .en(buf_wr_en & bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffs_fpga #(.WIDTH(2)) buf_sizeff( + .din(buf_size_in[1:0]), + .dout(buf_size[1:0]), + .en(buf_wr_en), + .clk(buf_clk), + .clken(buf_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(1)) buf_alignedff( + .din(buf_aligned_in), + .dout(buf_aligned), + .en(buf_wr_en), + .clk(buf_clk), + .clken(buf_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(8)) buf_byteenff( + .din(buf_byteen_in[7:0]), + .dout(buf_byteen[7:0]), + .en(buf_wr_en), + .clk(buf_clk), + .clken(buf_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(64)) buf_dataff( + .din(buf_data_in[63:0]), + .dout(buf_data[63:0]), + .en(buf_data_wr_en & bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffs_fpga #(.WIDTH(1)) slvbuf_writeff( + .din(buf_write), + .dout(slvbuf_write), + .en(slvbuf_wr_en), + .clk(buf_clk), + .clken(buf_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(TAG)) slvbuf_tagff( + .din(buf_tag[TAG - 1:0]), + .dout(slvbuf_tag[TAG - 1:0]), + .en(slvbuf_wr_en), + .clk(buf_clk), + .clken(buf_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(1)) slvbuf_errorff( + .din(slvbuf_error_in), + .dout(slvbuf_error), + .en(slvbuf_error_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffsc_fpga #(.WIDTH(1)) buf_cmd_doneff( + .din(1'b1), + .dout(cmd_doneQ), + .en(cmd_done), + .clear(cmd_done_rst), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(3)) buf_cmd_byte_ptrff( + .din(buf_cmd_byte_ptr[2:0]), + .dout(buf_cmd_byte_ptrQ[2:0]), + .en(buf_cmd_byte_ptr_en), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) hready_ff( + .din(ahb_hready), + .dout(ahb_hready_q), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(2)) htrans_ff( + .din(ahb_htrans[1:0]), + .dout(ahb_htrans_q[1:0]), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) hwrite_ff( + .din(ahb_hwrite), + .dout(ahb_hwrite_q), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) hresp_ff( + .din(ahb_hresp), + .dout(ahb_hresp_q), + .clk(bus_clk), + .clken(bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(64)) hrdata_ff( + .din(ahb_hrdata[63:0]), + .dout(ahb_hrdata_q[63:0]), + .clk(ahbm_data_clk), + .clken(ahbm_data_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + assign buf_clken = bus_clk_en & ((buf_wr_en | slvbuf_wr_en) | clk_override); + assign ahbm_data_clken = bus_clk_en & ((buf_state != IDLE) | clk_override); + rvclkhdr bus_cgc( + .en(bus_clk_en), + .l1clk(bus_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvclkhdr buf_cgc( + .en(buf_clken), + .l1clk(buf_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvclkhdr ahbm_data_cgc( + .en(ahbm_data_clken), + .l1clk(ahbm_data_clk), + .clk(clk), + .scan_mode(scan_mode) + ); +endmodule +module eb1_dbg ( + dbg_cmd_addr, + dbg_cmd_wrdata, + dbg_cmd_valid, + dbg_cmd_write, + dbg_cmd_type, + dbg_cmd_size, + dbg_core_rst_l, + core_dbg_rddata, + core_dbg_cmd_done, + core_dbg_cmd_fail, + dbg_dma_bubble, + dma_dbg_ready, + dbg_halt_req, + dbg_resume_req, + dec_tlu_debug_mode, + dec_tlu_dbg_halted, + dec_tlu_mpc_halted_only, + dec_tlu_resume_ack, + dmi_reg_en, + dmi_reg_addr, + dmi_reg_wr_en, + dmi_reg_wdata, + dmi_reg_rdata, + sb_axi_awvalid, + sb_axi_awready, + sb_axi_awid, + sb_axi_awaddr, + sb_axi_awregion, + sb_axi_awlen, + sb_axi_awsize, + sb_axi_awburst, + sb_axi_awlock, + sb_axi_awcache, + sb_axi_awprot, + sb_axi_awqos, + sb_axi_wvalid, + sb_axi_wready, + sb_axi_wdata, + sb_axi_wstrb, + sb_axi_wlast, + sb_axi_bvalid, + sb_axi_bready, + sb_axi_bresp, + sb_axi_arvalid, + sb_axi_arready, + sb_axi_arid, + sb_axi_araddr, + sb_axi_arregion, + sb_axi_arlen, + sb_axi_arsize, + sb_axi_arburst, + sb_axi_arlock, + sb_axi_arcache, + sb_axi_arprot, + sb_axi_arqos, + sb_axi_rvalid, + sb_axi_rready, + sb_axi_rdata, + sb_axi_rresp, + dbg_bus_clk_en, + clk, + rst_l, + dbg_rst_l, + clk_override, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + output wire [31:0] dbg_cmd_addr; + output wire [31:0] dbg_cmd_wrdata; + output wire dbg_cmd_valid; + output wire dbg_cmd_write; + output wire [1:0] dbg_cmd_type; + output wire [1:0] dbg_cmd_size; + output wire dbg_core_rst_l; + input wire [31:0] core_dbg_rddata; + input wire core_dbg_cmd_done; + input wire core_dbg_cmd_fail; + output wire dbg_dma_bubble; + input wire dma_dbg_ready; + output reg dbg_halt_req; + output reg dbg_resume_req; + input wire dec_tlu_debug_mode; + input wire dec_tlu_dbg_halted; + input wire dec_tlu_mpc_halted_only; + input wire dec_tlu_resume_ack; + input wire dmi_reg_en; + input wire [6:0] dmi_reg_addr; + input wire dmi_reg_wr_en; + input wire [31:0] dmi_reg_wdata; + output wire [31:0] dmi_reg_rdata; + output wire sb_axi_awvalid; + input wire sb_axi_awready; + output wire [pt[12-:8] - 1:0] sb_axi_awid; + output wire [31:0] sb_axi_awaddr; + output wire [3:0] sb_axi_awregion; + output wire [7:0] sb_axi_awlen; + output wire [2:0] sb_axi_awsize; + output wire [1:0] sb_axi_awburst; + output wire sb_axi_awlock; + output wire [3:0] sb_axi_awcache; + output wire [2:0] sb_axi_awprot; + output wire [3:0] sb_axi_awqos; + output wire sb_axi_wvalid; + input wire sb_axi_wready; + output wire [63:0] sb_axi_wdata; + output wire [7:0] sb_axi_wstrb; + output wire sb_axi_wlast; + input wire sb_axi_bvalid; + output wire sb_axi_bready; + input wire [1:0] sb_axi_bresp; + output wire sb_axi_arvalid; + input wire sb_axi_arready; + output wire [pt[12-:8] - 1:0] sb_axi_arid; + output wire [31:0] sb_axi_araddr; + output wire [3:0] sb_axi_arregion; + output wire [7:0] sb_axi_arlen; + output wire [2:0] sb_axi_arsize; + output wire [1:0] sb_axi_arburst; + output wire sb_axi_arlock; + output wire [3:0] sb_axi_arcache; + output wire [2:0] sb_axi_arprot; + output wire [3:0] sb_axi_arqos; + input wire sb_axi_rvalid; + output wire sb_axi_rready; + input wire [63:0] sb_axi_rdata; + input wire [1:0] sb_axi_rresp; + input wire dbg_bus_clk_en; + input wire clk; + input wire rst_l; + input wire dbg_rst_l; + input wire clk_override; + input wire scan_mode; + wire [3:0] dbg_state; + reg [3:0] dbg_nxtstate; + reg dbg_state_en; + wire [31:0] dmstatus_reg; + wire [31:0] dmcontrol_reg; + wire [31:0] command_reg; + wire [31:0] abstractcs_reg; + wire [31:0] haltsum0_reg; + wire [31:0] data0_reg; + wire [31:0] data1_reg; + wire [31:0] data0_din; + wire data0_reg_wren; + wire data0_reg_wren0; + wire data0_reg_wren1; + reg data0_reg_wren2; + wire [31:0] data1_din; + wire data1_reg_wren; + wire data1_reg_wren0; + wire data1_reg_wren1; + reg abstractcs_busy_wren; + reg abstractcs_busy_din; + wire [2:0] abstractcs_error_din; + wire abstractcs_error_sel0; + wire abstractcs_error_sel1; + wire abstractcs_error_seb1; + wire abstractcs_error_sel3; + wire abstractcs_error_sel4; + wire abstractcs_error_sel5; + wire abstractcs_error_sel6; + reg dbg_sb_bus_error; + wire abstractauto_reg_wren; + wire [1:0] abstractauto_reg; + wire dmstatus_resumeack_wren; + wire dmstatus_resumeack_din; + wire dmstatus_haveresetn_wren; + wire dmstatus_resumeack; + wire dmstatus_unavail; + wire dmstatus_running; + wire dmstatus_halted; + wire dmstatus_havereset; + wire dmstatus_haveresetn; + wire resumereq; + wire dmcontrol_wren; + wire dmcontrol_wren_Q; + wire execute_command_ns; + wire execute_command; + wire command_wren; + wire command_regno_wren; + wire command_transfer_din; + wire command_postexec_din; + wire [31:0] command_din; + wire [3:0] dbg_cmd_addr_incr; + wire [31:0] dbg_cmd_curr_addr; + wire [31:0] dbg_cmd_next_addr; + wire [31:0] dmi_reg_rdata_din; + wire [3:0] sb_state; + reg [3:0] sb_nxtstate; + reg sb_state_en; + wire sbcs_wren; + reg sbcs_sbbusy_wren; + reg sbcs_sbbusy_din; + wire sbcs_sbbusyerror_wren; + wire sbcs_sbbusyerror_din; + reg sbcs_sberror_wren; + reg [2:0] sbcs_sberror_din; + wire sbcs_unaligned; + wire sbcs_illegal_size; + wire [19:15] sbcs_reg_int; + wire sbdata0_reg_wren0; + wire sbdata0_reg_wren1; + wire sbdata0_reg_wren; + wire [31:0] sbdata0_din; + wire sbdata1_reg_wren0; + wire sbdata1_reg_wren1; + wire sbdata1_reg_wren; + wire [31:0] sbdata1_din; + wire sbaddress0_reg_wren0; + reg sbaddress0_reg_wren1; + wire sbaddress0_reg_wren; + wire [31:0] sbaddress0_reg_din; + wire [3:0] sbaddress0_incr; + wire sbreadonaddr_access; + wire sbreadondata_access; + wire sbdata0wr_access; + reg sb_abmem_cmd_done_in; + reg sb_abmem_data_done_in; + reg sb_abmem_cmd_done_en; + reg sb_abmem_data_done_en; + wire sb_abmem_cmd_done; + wire sb_abmem_data_done; + wire [31:0] abmem_addr; + wire abmem_addr_in_dccm_region; + wire abmem_addr_in_iccm_region; + wire abmem_addr_in_pic_region; + wire abmem_addr_core_local; + wire abmem_addr_external; + wire sb_cmd_pending; + wire sb_abmem_cmd_pending; + wire sb_abmem_cmd_write; + wire [2:0] sb_abmem_cmd_size; + wire [31:0] sb_abmem_cmd_addr; + wire [31:0] sb_abmem_cmd_wdata; + wire [2:0] sb_cmd_size; + wire [31:0] sb_cmd_addr; + wire [63:0] sb_cmd_wdata; + wire sb_bus_cmd_read; + wire sb_bus_cmd_write_addr; + wire sb_bus_cmd_write_data; + wire sb_bus_rsp_read; + wire sb_bus_rsp_write; + wire sb_bus_rsp_error; + wire [63:0] sb_bus_rdata; + wire [31:0] sbcs_reg; + wire [31:0] sbaddress0_reg; + wire [31:0] sbdata0_reg; + wire [31:0] sbdata1_reg; + wire sb_abmem_cmd_arvalid; + wire sb_abmem_cmd_awvalid; + wire sb_abmem_cmd_wvalid; + wire sb_abmem_read_pend; + wire sb_cmd_awvalid; + wire sb_cmd_wvalid; + wire sb_cmd_arvalid; + wire sb_read_pend; + wire [31:0] sb_axi_addr; + wire [63:0] sb_axi_wrdata; + wire [2:0] sb_axi_size; + wire dbg_dm_rst_l; + wire dbg_free_clken; + wire dbg_free_clk; + wire sb_free_clken; + wire sb_free_clk; + localparam [3:0] IDLE = 4'h0; + assign dbg_free_clken = (((((((dmi_reg_en | execute_command) | (dbg_state != IDLE)) | dbg_state_en) | dec_tlu_dbg_halted) | dec_tlu_mpc_halted_only) | dec_tlu_debug_mode) | dbg_halt_req) | clk_override; + localparam [3:0] SBIDLE = 4'h0; + assign sb_free_clken = (((dmi_reg_en | execute_command) | sb_state_en) | (sb_state != SBIDLE)) | clk_override; + rvoclkhdr dbg_free_cgc( + .en(dbg_free_clken), + .l1clk(dbg_free_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr sb_free_cgc( + .en(sb_free_clken), + .l1clk(sb_free_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + assign dbg_dm_rst_l = dbg_rst_l & (dmcontrol_reg[0] | scan_mode); + assign dbg_core_rst_l = ~dmcontrol_reg[1] | scan_mode; + assign sbcs_reg[31:29] = 3'b001; + assign sbcs_reg[28:23] = {6 {1'sb0}}; + assign sbcs_reg[19:15] = {sbcs_reg_int[19], ~sbcs_reg_int[18], sbcs_reg_int[17:15]}; + assign sbcs_reg[11:5] = 7'h20; + assign sbcs_reg[4:0] = 5'b01111; + assign sbcs_wren = (((dmi_reg_addr == 7'h38) & dmi_reg_en) & dmi_reg_wr_en) & (sb_state == SBIDLE); + assign sbcs_sbbusyerror_wren = (sbcs_wren & dmi_reg_wdata[22]) | ((sbcs_reg[21] & dmi_reg_en) & (((dmi_reg_wr_en & (dmi_reg_addr == 7'h39)) | (dmi_reg_addr == 7'h3c)) | (dmi_reg_addr == 7'h3d))); + assign sbcs_sbbusyerror_din = ~(sbcs_wren & dmi_reg_wdata[22]); + rvdffs #(.WIDTH(1)) sbcs_sbbusyerror_reg( + .din(sbcs_sbbusyerror_din), + .dout(sbcs_reg[22]), + .en(sbcs_sbbusyerror_wren), + .rst_l(dbg_dm_rst_l), + .clk(sb_free_clk) + ); + rvdffs #(.WIDTH(1)) sbcs_sbbusy_reg( + .din(sbcs_sbbusy_din), + .dout(sbcs_reg[21]), + .en(sbcs_sbbusy_wren), + .rst_l(dbg_dm_rst_l), + .clk(sb_free_clk) + ); + rvdffs #(.WIDTH(1)) sbcs_sbreadonaddr_reg( + .din(dmi_reg_wdata[20]), + .dout(sbcs_reg[20]), + .en(sbcs_wren), + .rst_l(dbg_dm_rst_l), + .clk(sb_free_clk) + ); + rvdffs #(.WIDTH(5)) sbcs_misc_reg( + .din({dmi_reg_wdata[19], ~dmi_reg_wdata[18], dmi_reg_wdata[17:15]}), + .dout(sbcs_reg_int[19:15]), + .en(sbcs_wren), + .rst_l(dbg_dm_rst_l), + .clk(sb_free_clk) + ); + rvdffs #(.WIDTH(3)) sbcs_error_reg( + .din(sbcs_sberror_din[2:0]), + .dout(sbcs_reg[14:12]), + .en(sbcs_sberror_wren), + .rst_l(dbg_dm_rst_l), + .clk(sb_free_clk) + ); + assign sbcs_unaligned = (((sbcs_reg[19:17] == 3'b001) & sbaddress0_reg[0]) | ((sbcs_reg[19:17] == 3'b010) & |sbaddress0_reg[1:0])) | ((sbcs_reg[19:17] == 3'b011) & |sbaddress0_reg[2:0]); + assign sbcs_illegal_size = sbcs_reg[19]; + assign sbaddress0_incr[3:0] = ((({4 {sbcs_reg[19:17] == 3'h0}} & 4'b0001) | ({4 {sbcs_reg[19:17] == 3'h1}} & 4'b0010)) | ({4 {sbcs_reg[19:17] == 3'h2}} & 4'b0100)) | ({4 {sbcs_reg[19:17] == 3'h3}} & 4'b1000); + assign sbdata0_reg_wren0 = (dmi_reg_en & dmi_reg_wr_en) & (dmi_reg_addr == 7'h3c); + localparam [3:0] RSP_RD = 4'h7; + assign sbdata0_reg_wren1 = ((sb_state == RSP_RD) & sb_state_en) & ~sbcs_sberror_wren; + assign sbdata0_reg_wren = sbdata0_reg_wren0 | sbdata0_reg_wren1; + assign sbdata1_reg_wren0 = (dmi_reg_en & dmi_reg_wr_en) & (dmi_reg_addr == 7'h3d); + assign sbdata1_reg_wren1 = ((sb_state == RSP_RD) & sb_state_en) & ~sbcs_sberror_wren; + assign sbdata1_reg_wren = sbdata1_reg_wren0 | sbdata1_reg_wren1; + assign sbdata0_din[31:0] = ({32 {sbdata0_reg_wren0}} & dmi_reg_wdata[31:0]) | ({32 {sbdata0_reg_wren1}} & sb_bus_rdata[31:0]); + assign sbdata1_din[31:0] = ({32 {sbdata1_reg_wren0}} & dmi_reg_wdata[31:0]) | ({32 {sbdata1_reg_wren1}} & sb_bus_rdata[63:32]); + rvdffe #(.WIDTH(32)) dbg_sbdata0_reg( + .clk(clk), + .scan_mode(scan_mode), + .din(sbdata0_din[31:0]), + .dout(sbdata0_reg[31:0]), + .en(sbdata0_reg_wren), + .rst_l(dbg_dm_rst_l) + ); + rvdffe #(.WIDTH(32)) dbg_sbdata1_reg( + .clk(clk), + .scan_mode(scan_mode), + .din(sbdata1_din[31:0]), + .dout(sbdata1_reg[31:0]), + .en(sbdata1_reg_wren), + .rst_l(dbg_dm_rst_l) + ); + assign sbaddress0_reg_wren0 = (dmi_reg_en & dmi_reg_wr_en) & (dmi_reg_addr == 7'h39); + assign sbaddress0_reg_wren = sbaddress0_reg_wren0 | sbaddress0_reg_wren1; + assign sbaddress0_reg_din[31:0] = ({32 {sbaddress0_reg_wren0}} & dmi_reg_wdata[31:0]) | ({32 {sbaddress0_reg_wren1}} & (sbaddress0_reg[31:0] + {28'b0000000000000000000000000000, sbaddress0_incr[3:0]})); + rvdffe #(.WIDTH(32)) dbg_sbaddress0_reg( + .clk(clk), + .scan_mode(scan_mode), + .din(sbaddress0_reg_din[31:0]), + .dout(sbaddress0_reg[31:0]), + .en(sbaddress0_reg_wren), + .rst_l(dbg_dm_rst_l) + ); + assign sbreadonaddr_access = ((dmi_reg_en & dmi_reg_wr_en) & (dmi_reg_addr == 7'h39)) & sbcs_reg[20]; + assign sbreadondata_access = ((dmi_reg_en & ~dmi_reg_wr_en) & (dmi_reg_addr == 7'h3c)) & sbcs_reg[15]; + assign sbdata0wr_access = (dmi_reg_en & dmi_reg_wr_en) & (dmi_reg_addr == 7'h3c); + assign dmcontrol_wren = ((dmi_reg_addr == 7'h10) & dmi_reg_en) & dmi_reg_wr_en; + assign dmcontrol_reg[29] = 1'b0; + assign dmcontrol_reg[27:2] = {26 {1'sb0}}; + assign resumereq = (dmcontrol_reg[30] & ~dmcontrol_reg[31]) & dmcontrol_wren_Q; + rvdffs #(.WIDTH(4)) dmcontrolff( + .din({dmi_reg_wdata[31:30], dmi_reg_wdata[28], dmi_reg_wdata[1]}), + .dout({dmcontrol_reg[31:30], dmcontrol_reg[28], dmcontrol_reg[1]}), + .en(dmcontrol_wren), + .rst_l(dbg_dm_rst_l), + .clk(dbg_free_clk) + ); + rvdffs #(.WIDTH(1)) dmcontrol_dmactive_ff( + .din(dmi_reg_wdata[0]), + .dout(dmcontrol_reg[0]), + .en(dmcontrol_wren), + .rst_l(dbg_rst_l), + .clk(dbg_free_clk) + ); + rvdff #(.WIDTH(1)) dmcontrol_wrenff( + .din(dmcontrol_wren), + .dout(dmcontrol_wren_Q), + .rst_l(dbg_dm_rst_l), + .clk(dbg_free_clk) + ); + assign dmstatus_reg[31:20] = {12 {1'sb0}}; + assign dmstatus_reg[19:18] = {2 {dmstatus_havereset}}; + assign dmstatus_reg[15:14] = {2 {1'sb0}}; + assign dmstatus_reg[7] = 1'b1; + assign dmstatus_reg[6:4] = {3 {1'sb0}}; + assign dmstatus_reg[17:16] = {2 {dmstatus_resumeack}}; + assign dmstatus_reg[13:12] = {2 {dmstatus_unavail}}; + assign dmstatus_reg[11:10] = {2 {dmstatus_running}}; + assign dmstatus_reg[9:8] = {2 {dmstatus_halted}}; + assign dmstatus_reg[3:0] = 4'h2; + localparam [3:0] RESUMING = 4'h9; + assign dmstatus_resumeack_wren = ((dbg_state == RESUMING) & dec_tlu_resume_ack) | ((dmstatus_resumeack & resumereq) & dmstatus_halted); + assign dmstatus_resumeack_din = (dbg_state == RESUMING) & dec_tlu_resume_ack; + assign dmstatus_haveresetn_wren = ((((dmi_reg_addr == 7'h10) & dmi_reg_wdata[28]) & dmi_reg_en) & dmi_reg_wr_en) & dmcontrol_reg[0]; + assign dmstatus_havereset = ~dmstatus_haveresetn; + assign dmstatus_unavail = dmcontrol_reg[1] | ~rst_l; + assign dmstatus_running = ~(dmstatus_unavail | dmstatus_halted); + rvdffs #(.WIDTH(1)) dmstatus_resumeack_reg( + .din(dmstatus_resumeack_din), + .dout(dmstatus_resumeack), + .en(dmstatus_resumeack_wren), + .rst_l(dbg_dm_rst_l), + .clk(dbg_free_clk) + ); + rvdff #(.WIDTH(1)) dmstatus_halted_reg( + .din(dec_tlu_dbg_halted & ~dec_tlu_mpc_halted_only), + .dout(dmstatus_halted), + .rst_l(dbg_dm_rst_l), + .clk(dbg_free_clk) + ); + rvdffs #(.WIDTH(1)) dmstatus_haveresetn_reg( + .din(1'b1), + .dout(dmstatus_haveresetn), + .en(dmstatus_haveresetn_wren), + .rst_l(rst_l), + .clk(dbg_free_clk) + ); + assign haltsum0_reg[31:1] = {31 {1'sb0}}; + assign haltsum0_reg[0] = dmstatus_halted; + assign abstractcs_reg[31:13] = {19 {1'sb0}}; + assign abstractcs_reg[11] = 1'b0; + assign abstractcs_reg[7:4] = {4 {1'sb0}}; + assign abstractcs_reg[3:0] = 4'h2; + assign abstractcs_error_sel0 = ((abstractcs_reg[12] & ~(|abstractcs_reg[10:8])) & dmi_reg_en) & ((((dmi_reg_wr_en & ((dmi_reg_addr == 7'h16) | (dmi_reg_addr == 7'h17))) | (dmi_reg_addr == 7'h18)) | (dmi_reg_addr == 7'h04)) | (dmi_reg_addr == 7'h05)); + assign abstractcs_error_sel1 = (execute_command & ~(|abstractcs_reg[10:8])) & (((~((command_reg[31:24] == 8'b00000000) | (command_reg[31:24] == 8'h02)) | (((command_reg[22:20] == 3'b011) | command_reg[22]) & (command_reg[31:24] == 8'h02))) | ((command_reg[22:20] != 3'b010) & ((command_reg[31:24] == 8'h00) & command_reg[17]))) | ((command_reg[31:24] == 8'h00) & command_reg[18])); + assign abstractcs_error_seb1 = ((core_dbg_cmd_done & core_dbg_cmd_fail) | ((execute_command & (command_reg[31:24] == 8'h00)) & (((command_reg[15:12] == 4'h1) & (command_reg[11:5] != 0)) | (command_reg[15:13] != 0)))) & ~(|abstractcs_reg[10:8]); + localparam [3:0] HALTED = 4'h2; + assign abstractcs_error_sel3 = (execute_command & (dbg_state != HALTED)) & ~(|abstractcs_reg[10:8]); + assign abstractcs_error_sel4 = (dbg_sb_bus_error & dbg_bus_clk_en) & ~(|abstractcs_reg[10:8]); + assign abstractcs_error_sel5 = ((execute_command & (command_reg[31:24] == 8'h02)) & ~(|abstractcs_reg[10:8])) & (((command_reg[22:20] == 3'b001) & data1_reg[0]) | ((command_reg[22:20] == 3'b010) & |data1_reg[1:0])); + assign abstractcs_error_sel6 = ((dmi_reg_addr == 7'h16) & dmi_reg_en) & dmi_reg_wr_en; + assign abstractcs_error_din[2:0] = (abstractcs_error_sel0 ? 3'b001 : (abstractcs_error_sel1 ? 3'b010 : (abstractcs_error_seb1 ? 3'b011 : (abstractcs_error_sel3 ? 3'b100 : (abstractcs_error_sel4 ? 3'b101 : (abstractcs_error_sel5 ? 3'b111 : (abstractcs_error_sel6 ? ~dmi_reg_wdata[10:8] & abstractcs_reg[10:8] : abstractcs_reg[10:8]))))))); + rvdffs #(.WIDTH(1)) dmabstractcs_busy_reg( + .din(abstractcs_busy_din), + .dout(abstractcs_reg[12]), + .en(abstractcs_busy_wren), + .rst_l(dbg_dm_rst_l), + .clk(dbg_free_clk) + ); + rvdff #(.WIDTH(3)) dmabstractcs_error_reg( + .din(abstractcs_error_din[2:0]), + .dout(abstractcs_reg[10:8]), + .rst_l(dbg_dm_rst_l), + .clk(dbg_free_clk) + ); + assign abstractauto_reg_wren = ((dmi_reg_en & dmi_reg_wr_en) & (dmi_reg_addr == 7'h18)) & ~abstractcs_reg[12]; + rvdffs #(.WIDTH(2)) dbg_abstractauto_reg( + .din(dmi_reg_wdata[1:0]), + .dout(abstractauto_reg[1:0]), + .en(abstractauto_reg_wren), + .rst_l(dbg_dm_rst_l), + .clk(dbg_free_clk) + ); + assign execute_command_ns = command_wren | ((dmi_reg_en & ~abstractcs_reg[12]) & (((dmi_reg_addr == 7'h04) & abstractauto_reg[0]) | ((dmi_reg_addr == 7'h05) & abstractauto_reg[1]))); + assign command_wren = ((dmi_reg_addr == 7'h17) & dmi_reg_en) & dmi_reg_wr_en; + localparam [3:0] CMD_DONE = 4'h8; + assign command_regno_wren = command_wren | ((((command_reg[31:24] == 8'h00) & command_reg[19]) & (dbg_state == CMD_DONE)) & ~(|abstractcs_reg[10:8])); + assign command_postexec_din = (dmi_reg_wdata[31:24] == 8'h00) & dmi_reg_wdata[18]; + assign command_transfer_din = (dmi_reg_wdata[31:24] == 8'h00) & dmi_reg_wdata[17]; + assign command_din[31:16] = {dmi_reg_wdata[31:24], 1'b0, dmi_reg_wdata[22:19], command_postexec_din, command_transfer_din, dmi_reg_wdata[16]}; + assign command_din[15:0] = (command_wren ? dmi_reg_wdata[15:0] : dbg_cmd_next_addr[15:0]); + rvdff #(.WIDTH(1)) execute_commandff( + .din(execute_command_ns), + .dout(execute_command), + .clk(dbg_free_clk), + .rst_l(dbg_dm_rst_l) + ); + rvdffe #(.WIDTH(16)) dmcommand_reg( + .clk(clk), + .scan_mode(scan_mode), + .din(command_din[31:16]), + .dout(command_reg[31:16]), + .en(command_wren), + .rst_l(dbg_dm_rst_l) + ); + rvdffe #(.WIDTH(16)) dmcommand_regno_reg( + .clk(clk), + .scan_mode(scan_mode), + .din(command_din[15:0]), + .dout(command_reg[15:0]), + .en(command_regno_wren), + .rst_l(dbg_dm_rst_l) + ); + assign data0_reg_wren0 = (((dmi_reg_en & dmi_reg_wr_en) & (dmi_reg_addr == 7'h04)) & (dbg_state == HALTED)) & ~abstractcs_reg[12]; + localparam [3:0] CORE_CMD_WAIT = 4'h4; + assign data0_reg_wren1 = (core_dbg_cmd_done & (dbg_state == CORE_CMD_WAIT)) & ~command_reg[16]; + assign data0_reg_wren = (data0_reg_wren0 | data0_reg_wren1) | data0_reg_wren2; + assign data0_din[31:0] = (({32 {data0_reg_wren0}} & dmi_reg_wdata[31:0]) | ({32 {data0_reg_wren1}} & core_dbg_rddata[31:0])) | ({32 {data0_reg_wren2}} & sb_bus_rdata[31:0]); + rvdffe #(.WIDTH(32)) dbg_data0_reg( + .clk(clk), + .scan_mode(scan_mode), + .din(data0_din[31:0]), + .dout(data0_reg[31:0]), + .en(data0_reg_wren), + .rst_l(dbg_dm_rst_l) + ); + assign data1_reg_wren0 = (((dmi_reg_en & dmi_reg_wr_en) & (dmi_reg_addr == 7'h05)) & (dbg_state == HALTED)) & ~abstractcs_reg[12]; + assign data1_reg_wren1 = (((dbg_state == CMD_DONE) & (command_reg[31:24] == 8'h02)) & command_reg[19]) & ~(|abstractcs_reg[10:8]); + assign data1_reg_wren = data1_reg_wren0 | data1_reg_wren1; + assign data1_din[31:0] = ({32 {data1_reg_wren0}} & dmi_reg_wdata[31:0]) | ({32 {data1_reg_wren1}} & dbg_cmd_next_addr[31:0]); + rvdffe #(.WIDTH(32)) dbg_data1_reg( + .clk(clk), + .scan_mode(scan_mode), + .din(data1_din[31:0]), + .dout(data1_reg[31:0]), + .en(data1_reg_wren), + .rst_l(dbg_dm_rst_l) + ); + rvdffs #(.WIDTH(1)) sb_abmem_cmd_doneff( + .din(sb_abmem_cmd_done_in), + .dout(sb_abmem_cmd_done), + .en(sb_abmem_cmd_done_en), + .clk(dbg_free_clk), + .rst_l(dbg_dm_rst_l) + ); + rvdffs #(.WIDTH(1)) sb_abmem_data_doneff( + .din(sb_abmem_data_done_in), + .dout(sb_abmem_data_done), + .en(sb_abmem_data_done_en), + .clk(dbg_free_clk), + .rst_l(dbg_dm_rst_l) + ); + localparam [3:0] CORE_CMD_START = 4'h3; + localparam [3:0] HALTING = 4'h1; + localparam [3:0] SB_CMD_RESP = 4'h7; + localparam [3:0] SB_CMD_SEND = 4'h6; + localparam [3:0] SB_CMD_START = 4'h5; + always @(*) begin + dbg_nxtstate = IDLE; + dbg_state_en = 1'b0; + abstractcs_busy_wren = 1'b0; + abstractcs_busy_din = 1'b0; + dbg_halt_req = dmcontrol_wren_Q & dmcontrol_reg[31]; + dbg_resume_req = 1'b0; + dbg_sb_bus_error = 1'b0; + data0_reg_wren2 = 1'b0; + sb_abmem_cmd_done_in = 1'b0; + sb_abmem_data_done_in = 1'b0; + sb_abmem_cmd_done_en = 1'b0; + sb_abmem_data_done_en = 1'b0; + case (dbg_state) + IDLE: begin + dbg_nxtstate = (dmstatus_reg[9] | dec_tlu_mpc_halted_only ? HALTED : HALTING); + dbg_state_en = (dmcontrol_reg[31] | dmstatus_reg[9]) | dec_tlu_mpc_halted_only; + dbg_halt_req = dmcontrol_reg[31]; + end + HALTING: begin + dbg_nxtstate = HALTED; + dbg_state_en = dmstatus_reg[9] | dec_tlu_mpc_halted_only; + end + HALTED: begin + dbg_nxtstate = (dmstatus_reg[9] ? (resumereq ? RESUMING : ((command_reg[31:24] == 8'h02) & abmem_addr_external ? SB_CMD_START : CORE_CMD_START)) : (dmcontrol_reg[31] ? HALTING : IDLE)); + dbg_state_en = ((dmstatus_reg[9] & resumereq) | execute_command) | ~(dmstatus_reg[9] | dec_tlu_mpc_halted_only); + abstractcs_busy_wren = dbg_state_en & ((dbg_nxtstate == CORE_CMD_START) | (dbg_nxtstate == SB_CMD_START)); + abstractcs_busy_din = 1'b1; + dbg_resume_req = dbg_state_en & (dbg_nxtstate == RESUMING); + end + CORE_CMD_START: begin + dbg_nxtstate = (|abstractcs_reg[10:8] | ((command_reg[31:24] == 8'h00) & ~command_reg[17]) ? CMD_DONE : CORE_CMD_WAIT); + dbg_state_en = (dbg_cmd_valid | |abstractcs_reg[10:8]) | ((command_reg[31:24] == 8'h00) & ~command_reg[17]); + end + CORE_CMD_WAIT: begin + dbg_nxtstate = CMD_DONE; + dbg_state_en = core_dbg_cmd_done; + end + SB_CMD_START: begin + dbg_nxtstate = (|abstractcs_reg[10:8] ? CMD_DONE : SB_CMD_SEND); + dbg_state_en = (dbg_bus_clk_en & ~sb_cmd_pending) | |abstractcs_reg[10:8]; + end + SB_CMD_SEND: begin + sb_abmem_cmd_done_in = 1'b1; + sb_abmem_data_done_in = 1'b1; + sb_abmem_cmd_done_en = (sb_bus_cmd_read | sb_bus_cmd_write_addr) & dbg_bus_clk_en; + sb_abmem_data_done_en = (sb_bus_cmd_read | sb_bus_cmd_write_data) & dbg_bus_clk_en; + dbg_nxtstate = SB_CMD_RESP; + dbg_state_en = ((sb_abmem_cmd_done | sb_abmem_cmd_done_en) & (sb_abmem_data_done | sb_abmem_data_done_en)) & dbg_bus_clk_en; + end + SB_CMD_RESP: begin + dbg_nxtstate = CMD_DONE; + dbg_state_en = (sb_bus_rsp_read | sb_bus_rsp_write) & dbg_bus_clk_en; + dbg_sb_bus_error = ((sb_bus_rsp_read | sb_bus_rsp_write) & sb_bus_rsp_error) & dbg_bus_clk_en; + data0_reg_wren2 = (dbg_state_en & ~sb_abmem_cmd_write) & ~dbg_sb_bus_error; + end + CMD_DONE: begin + dbg_nxtstate = HALTED; + dbg_state_en = 1'b1; + abstractcs_busy_wren = dbg_state_en; + abstractcs_busy_din = 1'b0; + sb_abmem_cmd_done_in = 1'b0; + sb_abmem_data_done_in = 1'b0; + sb_abmem_cmd_done_en = 1'b1; + sb_abmem_data_done_en = 1'b1; + end + RESUMING: begin + dbg_nxtstate = IDLE; + dbg_state_en = dmstatus_reg[17]; + end + default: begin + dbg_nxtstate = IDLE; + dbg_state_en = 1'b0; + abstractcs_busy_wren = 1'b0; + abstractcs_busy_din = 1'b0; + dbg_halt_req = 1'b0; + dbg_resume_req = 1'b0; + dbg_sb_bus_error = 1'b0; + data0_reg_wren2 = 1'b0; + sb_abmem_cmd_done_in = 1'b0; + sb_abmem_data_done_in = 1'b0; + sb_abmem_cmd_done_en = 1'b0; + sb_abmem_data_done_en = 1'b0; + end + endcase + end + assign dmi_reg_rdata_din[31:0] = ((((((((((({32 {dmi_reg_addr == 7'h04}} & data0_reg[31:0]) | ({32 {dmi_reg_addr == 7'h05}} & data1_reg[31:0])) | ({32 {dmi_reg_addr == 7'h10}} & {2'b00, dmcontrol_reg[29], 1'b0, dmcontrol_reg[27:0]})) | ({32 {dmi_reg_addr == 7'h11}} & dmstatus_reg[31:0])) | ({32 {dmi_reg_addr == 7'h16}} & abstractcs_reg[31:0])) | ({32 {dmi_reg_addr == 7'h17}} & command_reg[31:0])) | ({32 {dmi_reg_addr == 7'h18}} & {30'h00000000, abstractauto_reg[1:0]})) | ({32 {dmi_reg_addr == 7'h40}} & haltsum0_reg[31:0])) | ({32 {dmi_reg_addr == 7'h38}} & sbcs_reg[31:0])) | ({32 {dmi_reg_addr == 7'h39}} & sbaddress0_reg[31:0])) | ({32 {dmi_reg_addr == 7'h3c}} & sbdata0_reg[31:0])) | ({32 {dmi_reg_addr == 7'h3d}} & sbdata1_reg[31:0]); + rvdffs #(.WIDTH(4)) dbg_state_reg( + .din(dbg_nxtstate), + .dout({dbg_state}), + .en(dbg_state_en), + .rst_l(dbg_dm_rst_l & rst_l), + .clk(dbg_free_clk) + ); + rvdffe #(.WIDTH(32)) dmi_rddata_reg( + .din(dmi_reg_rdata_din[31:0]), + .dout(dmi_reg_rdata[31:0]), + .en(dmi_reg_en), + .rst_l(dbg_dm_rst_l), + .clk(clk), + .scan_mode(scan_mode) + ); + assign abmem_addr[31:0] = data1_reg[31:0]; + assign abmem_addr_core_local = (abmem_addr_in_dccm_region | abmem_addr_in_iccm_region) | abmem_addr_in_pic_region; + assign abmem_addr_external = ~abmem_addr_core_local; + assign abmem_addr_in_dccm_region = (abmem_addr[31:28] == pt[1333-:8]) & pt[1365-:5]; + assign abmem_addr_in_iccm_region = (abmem_addr[31:28] == pt[895-:8]) & pt[927-:5]; + assign abmem_addr_in_pic_region = abmem_addr[31:28] == pt[77-:8]; + assign dbg_cmd_addr[31:0] = (command_reg[31:24] == 8'h02 ? data1_reg[31:0] : {20'b00000000000000000000, command_reg[11:0]}); + assign dbg_cmd_wrdata[31:0] = data0_reg[31:0]; + assign dbg_cmd_valid = ((dbg_state == CORE_CMD_START) & ~((|abstractcs_reg[10:8] | ((command_reg[31:24] == 8'h00) & ~command_reg[17])) | ((command_reg[31:24] == 8'h02) & abmem_addr_external))) & dma_dbg_ready; + assign dbg_cmd_write = command_reg[16]; + assign dbg_cmd_type[1:0] = (command_reg[31:24] == 8'h02 ? 2'b10 : {1'b0, command_reg[15:12] == 4'b0000}); + assign dbg_cmd_size[1:0] = command_reg[21:20]; + assign dbg_cmd_addr_incr[3:0] = (command_reg[31:24] == 8'h02 ? 4'h1 << sb_abmem_cmd_size[1:0] : 4'h1); + assign dbg_cmd_curr_addr[31:0] = (command_reg[31:24] == 8'h02 ? data1_reg[31:0] : {16'b0000000000000000, command_reg[15:0]}); + assign dbg_cmd_next_addr[31:0] = dbg_cmd_curr_addr[31:0] + {28'h0000000, dbg_cmd_addr_incr[3:0]}; + assign dbg_dma_bubble = ((dbg_state == CORE_CMD_START) & ~(|abstractcs_reg[10:8])) | (dbg_state == CORE_CMD_WAIT); + localparam [3:0] CMD_RD = 4'h3; + localparam [3:0] CMD_WR = 4'h4; + localparam [3:0] CMD_WR_ADDR = 4'h5; + localparam [3:0] CMD_WR_DATA = 4'h6; + localparam [3:0] RSP_WR = 4'h8; + assign sb_cmd_pending = (((((sb_state == CMD_RD) | (sb_state == CMD_WR)) | (sb_state == CMD_WR_ADDR)) | (sb_state == CMD_WR_DATA)) | (sb_state == RSP_RD)) | (sb_state == RSP_WR); + assign sb_abmem_cmd_pending = ((dbg_state == SB_CMD_START) | (dbg_state == SB_CMD_SEND)) | (dbg_state == SB_CMD_RESP); + localparam [3:0] DONE = 4'h9; + localparam [3:0] WAIT_RD = 4'h1; + localparam [3:0] WAIT_WR = 4'h2; + always @(*) begin + sb_nxtstate = SBIDLE; + sb_state_en = 1'b0; + sbcs_sbbusy_wren = 1'b0; + sbcs_sbbusy_din = 1'b0; + sbcs_sberror_wren = 1'b0; + sbcs_sberror_din[2:0] = 3'b000; + sbaddress0_reg_wren1 = 1'b0; + case (sb_state) + SBIDLE: begin + sb_nxtstate = (sbdata0wr_access ? WAIT_WR : WAIT_RD); + sb_state_en = (((sbdata0wr_access | sbreadondata_access) | sbreadonaddr_access) & ~(|sbcs_reg[14:12])) & ~sbcs_reg[22]; + sbcs_sbbusy_wren = sb_state_en; + sbcs_sbbusy_din = 1'b1; + sbcs_sberror_wren = sbcs_wren & |dmi_reg_wdata[14:12]; + sbcs_sberror_din[2:0] = ~dmi_reg_wdata[14:12] & sbcs_reg[14:12]; + end + WAIT_RD: begin + sb_nxtstate = (sbcs_unaligned | sbcs_illegal_size ? DONE : CMD_RD); + sb_state_en = ((dbg_bus_clk_en & ~sb_abmem_cmd_pending) | sbcs_unaligned) | sbcs_illegal_size; + sbcs_sberror_wren = sbcs_unaligned | sbcs_illegal_size; + sbcs_sberror_din[2:0] = (sbcs_unaligned ? 3'b011 : 3'b100); + end + WAIT_WR: begin + sb_nxtstate = (sbcs_unaligned | sbcs_illegal_size ? DONE : CMD_WR); + sb_state_en = ((dbg_bus_clk_en & ~sb_abmem_cmd_pending) | sbcs_unaligned) | sbcs_illegal_size; + sbcs_sberror_wren = sbcs_unaligned | sbcs_illegal_size; + sbcs_sberror_din[2:0] = (sbcs_unaligned ? 3'b011 : 3'b100); + end + CMD_RD: begin + sb_nxtstate = RSP_RD; + sb_state_en = sb_bus_cmd_read & dbg_bus_clk_en; + end + CMD_WR: begin + sb_nxtstate = (sb_bus_cmd_write_addr & sb_bus_cmd_write_data ? RSP_WR : (sb_bus_cmd_write_data ? CMD_WR_ADDR : CMD_WR_DATA)); + sb_state_en = (sb_bus_cmd_write_addr | sb_bus_cmd_write_data) & dbg_bus_clk_en; + end + CMD_WR_ADDR: begin + sb_nxtstate = RSP_WR; + sb_state_en = sb_bus_cmd_write_addr & dbg_bus_clk_en; + end + CMD_WR_DATA: begin + sb_nxtstate = RSP_WR; + sb_state_en = sb_bus_cmd_write_data & dbg_bus_clk_en; + end + RSP_RD: begin + sb_nxtstate = DONE; + sb_state_en = sb_bus_rsp_read & dbg_bus_clk_en; + sbcs_sberror_wren = sb_state_en & sb_bus_rsp_error; + sbcs_sberror_din[2:0] = 3'b010; + end + RSP_WR: begin + sb_nxtstate = DONE; + sb_state_en = sb_bus_rsp_write & dbg_bus_clk_en; + sbcs_sberror_wren = sb_state_en & sb_bus_rsp_error; + sbcs_sberror_din[2:0] = 3'b010; + end + DONE: begin + sb_nxtstate = SBIDLE; + sb_state_en = 1'b1; + sbcs_sbbusy_wren = 1'b1; + sbcs_sbbusy_din = 1'b0; + sbaddress0_reg_wren1 = sbcs_reg[16] & (sbcs_reg[14:12] == 3'b000); + end + default: begin + sb_nxtstate = SBIDLE; + sb_state_en = 1'b0; + sbcs_sbbusy_wren = 1'b0; + sbcs_sbbusy_din = 1'b0; + sbcs_sberror_wren = 1'b0; + sbcs_sberror_din[2:0] = 3'b000; + sbaddress0_reg_wren1 = 1'b0; + end + endcase + end + rvdffs #(.WIDTH(4)) sb_state_reg( + .din(sb_nxtstate), + .dout({sb_state}), + .en(sb_state_en), + .rst_l(dbg_dm_rst_l), + .clk(sb_free_clk) + ); + assign sb_abmem_cmd_write = command_reg[16]; + assign sb_abmem_cmd_size[2:0] = {1'b0, command_reg[21:20]}; + assign sb_abmem_cmd_addr[31:0] = abmem_addr[31:0]; + assign sb_abmem_cmd_wdata[31:0] = data0_reg[31:0]; + assign sb_cmd_size[2:0] = sbcs_reg[19:17]; + assign sb_cmd_wdata[63:0] = {sbdata1_reg[31:0], sbdata0_reg[31:0]}; + assign sb_cmd_addr[31:0] = sbaddress0_reg[31:0]; + assign sb_abmem_cmd_awvalid = ((dbg_state == SB_CMD_SEND) & sb_abmem_cmd_write) & ~sb_abmem_cmd_done; + assign sb_abmem_cmd_wvalid = ((dbg_state == SB_CMD_SEND) & sb_abmem_cmd_write) & ~sb_abmem_data_done; + assign sb_abmem_cmd_arvalid = (((dbg_state == SB_CMD_SEND) & ~sb_abmem_cmd_write) & ~sb_abmem_cmd_done) & ~sb_abmem_data_done; + assign sb_abmem_read_pend = (dbg_state == SB_CMD_RESP) & ~sb_abmem_cmd_write; + assign sb_cmd_awvalid = (sb_state == CMD_WR) | (sb_state == CMD_WR_ADDR); + assign sb_cmd_wvalid = (sb_state == CMD_WR) | (sb_state == CMD_WR_DATA); + assign sb_cmd_arvalid = sb_state == CMD_RD; + assign sb_read_pend = sb_state == RSP_RD; + assign sb_axi_size[2:0] = (((sb_abmem_cmd_awvalid | sb_abmem_cmd_wvalid) | sb_abmem_cmd_arvalid) | sb_abmem_read_pend ? sb_abmem_cmd_size[2:0] : sb_cmd_size[2:0]); + assign sb_axi_addr[31:0] = (((sb_abmem_cmd_awvalid | sb_abmem_cmd_wvalid) | sb_abmem_cmd_arvalid) | sb_abmem_read_pend ? sb_abmem_cmd_addr[31:0] : sb_cmd_addr[31:0]); + assign sb_axi_wrdata[63:0] = (sb_abmem_cmd_awvalid | sb_abmem_cmd_wvalid ? {2 {sb_abmem_cmd_wdata[31:0]}} : sb_cmd_wdata[63:0]); + assign sb_bus_cmd_read = sb_axi_arvalid & sb_axi_arready; + assign sb_bus_cmd_write_addr = sb_axi_awvalid & sb_axi_awready; + assign sb_bus_cmd_write_data = sb_axi_wvalid & sb_axi_wready; + assign sb_bus_rsp_read = sb_axi_rvalid & sb_axi_rready; + assign sb_bus_rsp_write = sb_axi_bvalid & sb_axi_bready; + assign sb_bus_rsp_error = (sb_bus_rsp_read & |sb_axi_rresp[1:0]) | (sb_bus_rsp_write & |sb_axi_bresp[1:0]); + assign sb_axi_awvalid = sb_abmem_cmd_awvalid | sb_cmd_awvalid; + assign sb_axi_awaddr[31:0] = sb_axi_addr[31:0]; + assign sb_axi_awid[pt[12-:8] - 1:0] = {pt[12-:8] {1'sb0}}; + assign sb_axi_awsize[2:0] = sb_axi_size[2:0]; + assign sb_axi_awprot[2:0] = 3'b001; + assign sb_axi_awcache[3:0] = 4'b1111; + assign sb_axi_awregion[3:0] = sb_axi_addr[31:28]; + assign sb_axi_awlen[7:0] = {8 {1'sb0}}; + assign sb_axi_awburst[1:0] = 2'b01; + assign sb_axi_awqos[3:0] = {4 {1'sb0}}; + assign sb_axi_awlock = 1'b0; + assign sb_axi_wvalid = sb_abmem_cmd_wvalid | sb_cmd_wvalid; + assign sb_axi_wdata[63:0] = ((({64 {sb_axi_size[2:0] == 3'h0}} & {8 {sb_axi_wrdata[7:0]}}) | ({64 {sb_axi_size[2:0] == 3'h1}} & {4 {sb_axi_wrdata[15:0]}})) | ({64 {sb_axi_size[2:0] == 3'h2}} & {2 {sb_axi_wrdata[31:0]}})) | ({64 {sb_axi_size[2:0] == 3'h3}} & {sb_axi_wrdata[63:0]}); + assign sb_axi_wstrb[7:0] = ((({8 {sb_axi_size[2:0] == 3'h0}} & (8'h01 << sb_axi_addr[2:0])) | ({8 {sb_axi_size[2:0] == 3'h1}} & (8'h03 << {sb_axi_addr[2:1], 1'b0}))) | ({8 {sb_axi_size[2:0] == 3'h2}} & (8'h0f << {sb_axi_addr[2], 2'b00}))) | ({8 {sb_axi_size[2:0] == 3'h3}} & 8'hff); + assign sb_axi_wlast = 1'b1; + assign sb_axi_arvalid = sb_abmem_cmd_arvalid | sb_cmd_arvalid; + assign sb_axi_araddr[31:0] = sb_axi_addr[31:0]; + assign sb_axi_arid[pt[12-:8] - 1:0] = {pt[12-:8] {1'sb0}}; + assign sb_axi_arsize[2:0] = sb_axi_size[2:0]; + assign sb_axi_arprot[2:0] = 3'b001; + assign sb_axi_arcache[3:0] = 4'b0000; + assign sb_axi_arregion[3:0] = sb_axi_addr[31:28]; + assign sb_axi_arlen[7:0] = {8 {1'sb0}}; + assign sb_axi_arburst[1:0] = 2'b01; + assign sb_axi_arqos[3:0] = {4 {1'sb0}}; + assign sb_axi_arlock = 1'b0; + assign sb_axi_bready = 1'b1; + assign sb_axi_rready = 1'b1; + assign sb_bus_rdata[63:0] = ((({64 {sb_axi_size == 3'h0}} & ((sb_axi_rdata[63:0] >> (8 * sb_axi_addr[2:0])) & 64'h00000000000000ff)) | ({64 {sb_axi_size == 3'h1}} & ((sb_axi_rdata[63:0] >> (16 * sb_axi_addr[2:1])) & 64'h000000000000ffff))) | ({64 {sb_axi_size == 3'h2}} & ((sb_axi_rdata[63:0] >> (32 * sb_axi_addr[2])) & 64'h00000000ffffffff))) | ({64 {sb_axi_size == 3'h3}} & sb_axi_rdata[63:0]); +endmodule +module eb1_dec ( + clk, + active_clk, + free_clk, + free_l2clk, + lsu_fastint_stall_any, + dec_extint_stall, + dec_i0_decode_d, + dec_pause_state_cg, + dec_tlu_core_empty, + rst_l, + rst_vec, + nmi_int, + nmi_vec, + i_cpu_halt_req, + i_cpu_run_req, + o_cpu_halt_status, + o_cpu_halt_ack, + o_cpu_run_ack, + o_debug_mode_status, + core_id, + mpc_debug_halt_req, + mpc_debug_run_req, + mpc_reset_run_req, + mpc_debug_halt_ack, + mpc_debug_run_ack, + debug_brkpt_status, + exu_pmu_i0_br_misp, + exu_pmu_i0_br_ataken, + exu_pmu_i0_pc4, + lsu_nonblock_load_valid_m, + lsu_nonblock_load_tag_m, + lsu_nonblock_load_inv_r, + lsu_nonblock_load_inv_tag_r, + lsu_nonblock_load_data_valid, + lsu_nonblock_load_data_error, + lsu_nonblock_load_data_tag, + lsu_nonblock_load_data, + lsu_pmu_bus_trxn, + lsu_pmu_bus_misaligned, + lsu_pmu_bus_error, + lsu_pmu_bus_busy, + lsu_pmu_misaligned_m, + lsu_pmu_load_external_m, + lsu_pmu_store_external_m, + dma_pmu_dccm_read, + dma_pmu_dccm_write, + dma_pmu_any_read, + dma_pmu_any_write, + lsu_fir_addr, + lsu_fir_error, + ifu_pmu_instr_aligned, + ifu_pmu_fetch_stall, + ifu_pmu_ic_miss, + ifu_pmu_ic_hit, + ifu_pmu_bus_error, + ifu_pmu_bus_busy, + ifu_pmu_bus_trxn, + ifu_ic_error_start, + ifu_iccm_rd_ecc_single_err, + lsu_trigger_match_m, + dbg_cmd_valid, + dbg_cmd_write, + dbg_cmd_type, + dbg_cmd_addr, + dbg_cmd_wrdata, + ifu_i0_icaf, + ifu_i0_icaf_type, + ifu_i0_icaf_second, + ifu_i0_dbecc, + lsu_idle_any, + i0_brp, + ifu_i0_bp_index, + ifu_i0_bp_fghr, + ifu_i0_bp_btag, + ifu_i0_fa_index, + lsu_error_pkt_r, + lsu_single_ecc_error_incr, + lsu_imprecise_error_load_any, + lsu_imprecise_error_store_any, + lsu_imprecise_error_addr_any, + exu_div_result, + exu_div_wren, + exu_csr_rs1_x, + lsu_result_m, + lsu_result_corr_r, + lsu_load_stall_any, + lsu_store_stall_any, + dma_dccm_stall_any, + dma_iccm_stall_any, + iccm_dma_sb_error, + exu_flush_final, + exu_npc_r, + exu_i0_result_x, + ifu_i0_valid, + ifu_i0_instr, + ifu_i0_pc, + ifu_i0_pc4, + exu_i0_pc_x, + mexintpend, + timer_int, + soft_int, + pic_claimid, + pic_pl, + mhwakeup, + dec_tlu_meicurpl, + dec_tlu_meipt, + ifu_ic_debug_rd_data, + ifu_ic_debug_rd_data_valid, + dec_tlu_ic_diag_pkt, + dbg_halt_req, + dbg_resume_req, + ifu_miss_state_idle, + dec_tlu_dbg_halted, + dec_tlu_debug_mode, + dec_tlu_resume_ack, + dec_tlu_flush_noredir_r, + dec_tlu_mpc_halted_only, + dec_tlu_flush_leak_one_r, + dec_tlu_flush_err_r, + dec_tlu_meihap, + dec_debug_wdata_rs1_d, + dec_dbg_rddata, + dec_dbg_cmd_done, + dec_dbg_cmd_fail, + trigger_pkt_any, + dec_tlu_force_halt, + exu_i0_br_hist_r, + exu_i0_br_error_r, + exu_i0_br_start_error_r, + exu_i0_br_valid_r, + exu_i0_br_mp_r, + exu_i0_br_middle_r, + exu_i0_br_way_r, + dec_i0_rs1_en_d, + dec_i0_rs2_en_d, + gpr_i0_rs1_d, + gpr_i0_rs2_d, + dec_i0_immed_d, + dec_i0_br_immed_d, + i0_ap, + dec_i0_alu_decode_d, + dec_i0_branch_d, + dec_i0_select_pc_d, + dec_i0_pc_d, + dec_i0_rs1_bypass_en_d, + dec_i0_rs2_bypass_en_d, + dec_i0_result_r, + lsu_p, + dec_qual_lsu_d, + mul_p, + div_p, + dec_div_cancel, + dec_lsu_offset_d, + dec_csr_ren_d, + dec_csr_rddata_d, + dec_tlu_flush_lower_r, + dec_tlu_flush_lower_wb, + dec_tlu_flush_path_r, + dec_tlu_i0_kill_writeb_r, + dec_tlu_fence_i_r, + pred_correct_npc_x, + dec_tlu_br0_r_pkt, + dec_tlu_perfcnt0, + dec_tlu_perfcnt1, + dec_tlu_perfcnt2, + dec_tlu_perfcnt3, + dec_i0_predict_p_d, + i0_predict_fghr_d, + i0_predict_index_d, + i0_predict_btag_d, + dec_fa_error_index, + dec_lsu_valid_raw_d, + dec_tlu_mrac_ff, + dec_data_en, + dec_ctl_en, + ifu_i0_cinst, + trace_rv_trace_pkt, + dec_tlu_external_ldfwd_disable, + dec_tlu_sideeffect_posted_disable, + dec_tlu_core_ecc_disable, + dec_tlu_bpred_disable, + dec_tlu_wb_coalescing_disable, + dec_tlu_dma_qos_prty, + dec_tlu_misc_clk_override, + dec_tlu_ifu_clk_override, + dec_tlu_lsu_clk_override, + dec_tlu_bus_clk_override, + dec_tlu_pic_clk_override, + dec_tlu_picio_clk_override, + dec_tlu_dccm_clk_override, + dec_tlu_icm_clk_override, + dec_tlu_i0_commit_cmt, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire active_clk; + input wire free_clk; + input wire free_l2clk; + input wire lsu_fastint_stall_any; + output wire dec_extint_stall; + output wire dec_i0_decode_d; + output wire dec_pause_state_cg; + output wire dec_tlu_core_empty; + input wire rst_l; + input wire [31:1] rst_vec; + input wire nmi_int; + input wire [31:1] nmi_vec; + input wire i_cpu_halt_req; + input wire i_cpu_run_req; + output wire o_cpu_halt_status; + output wire o_cpu_halt_ack; + output wire o_cpu_run_ack; + output wire o_debug_mode_status; + input wire [31:4] core_id; + input wire mpc_debug_halt_req; + input wire mpc_debug_run_req; + input wire mpc_reset_run_req; + output wire mpc_debug_halt_ack; + output wire mpc_debug_run_ack; + output wire debug_brkpt_status; + input wire exu_pmu_i0_br_misp; + input wire exu_pmu_i0_br_ataken; + input wire exu_pmu_i0_pc4; + input wire lsu_nonblock_load_valid_m; + input wire [pt[164-:7] - 1:0] lsu_nonblock_load_tag_m; + input wire lsu_nonblock_load_inv_r; + input wire [pt[164-:7] - 1:0] lsu_nonblock_load_inv_tag_r; + input wire lsu_nonblock_load_data_valid; + input wire lsu_nonblock_load_data_error; + input wire [pt[164-:7] - 1:0] lsu_nonblock_load_data_tag; + input wire [31:0] lsu_nonblock_load_data; + input wire lsu_pmu_bus_trxn; + input wire lsu_pmu_bus_misaligned; + input wire lsu_pmu_bus_error; + input wire lsu_pmu_bus_busy; + input wire lsu_pmu_misaligned_m; + input wire lsu_pmu_load_external_m; + input wire lsu_pmu_store_external_m; + input wire dma_pmu_dccm_read; + input wire dma_pmu_dccm_write; + input wire dma_pmu_any_read; + input wire dma_pmu_any_write; + input wire [31:1] lsu_fir_addr; + input wire [1:0] lsu_fir_error; + input wire ifu_pmu_instr_aligned; + input wire ifu_pmu_fetch_stall; + input wire ifu_pmu_ic_miss; + input wire ifu_pmu_ic_hit; + input wire ifu_pmu_bus_error; + input wire ifu_pmu_bus_busy; + input wire ifu_pmu_bus_trxn; + input wire ifu_ic_error_start; + input wire ifu_iccm_rd_ecc_single_err; + input wire [3:0] lsu_trigger_match_m; + input wire dbg_cmd_valid; + input wire dbg_cmd_write; + input wire [1:0] dbg_cmd_type; + input wire [31:0] dbg_cmd_addr; + input wire [1:0] dbg_cmd_wrdata; + input wire ifu_i0_icaf; + input wire [1:0] ifu_i0_icaf_type; + input wire ifu_i0_icaf_second; + input wire ifu_i0_dbecc; + input wire lsu_idle_any; + input wire [50:0] i0_brp; + input wire [pt[2172-:9]:pt[2163-:6]] ifu_i0_bp_index; + input wire [pt[2236-:8] - 1:0] ifu_i0_bp_fghr; + input wire [pt[2139-:9] - 1:0] ifu_i0_bp_btag; + input wire [$clog2(pt[2061-:14]) - 1:0] ifu_i0_fa_index; + input wire [39:0] lsu_error_pkt_r; + input wire lsu_single_ecc_error_incr; + input wire lsu_imprecise_error_load_any; + input wire lsu_imprecise_error_store_any; + input wire [31:0] lsu_imprecise_error_addr_any; + input wire [31:0] exu_div_result; + input wire exu_div_wren; + input wire [31:0] exu_csr_rs1_x; + input wire [31:0] lsu_result_m; + input wire [31:0] lsu_result_corr_r; + input wire lsu_load_stall_any; + input wire lsu_store_stall_any; + input wire dma_dccm_stall_any; + input wire dma_iccm_stall_any; + input wire iccm_dma_sb_error; + input wire exu_flush_final; + input wire [31:1] exu_npc_r; + input wire [31:0] exu_i0_result_x; + input wire ifu_i0_valid; + input wire [31:0] ifu_i0_instr; + input wire [31:1] ifu_i0_pc; + input wire ifu_i0_pc4; + input wire [31:1] exu_i0_pc_x; + input wire mexintpend; + input wire timer_int; + input wire soft_int; + input wire [7:0] pic_claimid; + input wire [3:0] pic_pl; + input wire mhwakeup; + output wire [3:0] dec_tlu_meicurpl; + output wire [3:0] dec_tlu_meipt; + input wire [70:0] ifu_ic_debug_rd_data; + input wire ifu_ic_debug_rd_data_valid; + output wire [89:0] dec_tlu_ic_diag_pkt; + input wire dbg_halt_req; + input wire dbg_resume_req; + input wire ifu_miss_state_idle; + output wire dec_tlu_dbg_halted; + output wire dec_tlu_debug_mode; + output wire dec_tlu_resume_ack; + output wire dec_tlu_flush_noredir_r; + output wire dec_tlu_mpc_halted_only; + output wire dec_tlu_flush_leak_one_r; + output wire dec_tlu_flush_err_r; + output wire [31:2] dec_tlu_meihap; + output wire dec_debug_wdata_rs1_d; + output wire [31:0] dec_dbg_rddata; + output wire dec_dbg_cmd_done; + output wire dec_dbg_cmd_fail; + output wire [151:0] trigger_pkt_any; + output wire dec_tlu_force_halt; + input wire [1:0] exu_i0_br_hist_r; + input wire exu_i0_br_error_r; + input wire exu_i0_br_start_error_r; + input wire exu_i0_br_valid_r; + input wire exu_i0_br_mp_r; + input wire exu_i0_br_middle_r; + input wire exu_i0_br_way_r; + output wire dec_i0_rs1_en_d; + output wire dec_i0_rs2_en_d; + output wire [31:0] gpr_i0_rs1_d; + output wire [31:0] gpr_i0_rs2_d; + output wire [31:0] dec_i0_immed_d; + output wire [12:1] dec_i0_br_immed_d; + output wire [43:0] i0_ap; + output wire dec_i0_alu_decode_d; + output wire dec_i0_branch_d; + output wire dec_i0_select_pc_d; + output wire [31:1] dec_i0_pc_d; + output wire [3:0] dec_i0_rs1_bypass_en_d; + output wire [3:0] dec_i0_rs2_bypass_en_d; + output wire [31:0] dec_i0_result_r; + output wire [13:0] lsu_p; + output wire dec_qual_lsu_d; + output wire [19:0] mul_p; + output wire [2:0] div_p; + output wire dec_div_cancel; + output wire [11:0] dec_lsu_offset_d; + output wire dec_csr_ren_d; + output wire [31:0] dec_csr_rddata_d; + output wire dec_tlu_flush_lower_r; + output wire dec_tlu_flush_lower_wb; + output wire [31:1] dec_tlu_flush_path_r; + output wire dec_tlu_i0_kill_writeb_r; + output wire dec_tlu_fence_i_r; + output wire [31:1] pred_correct_npc_x; + output wire [6:0] dec_tlu_br0_r_pkt; + output wire dec_tlu_perfcnt0; + output wire dec_tlu_perfcnt1; + output wire dec_tlu_perfcnt2; + output wire dec_tlu_perfcnt3; + output wire [55:0] dec_i0_predict_p_d; + output wire [pt[2236-:8] - 1:0] i0_predict_fghr_d; + output wire [pt[2172-:9]:pt[2163-:6]] i0_predict_index_d; + output wire [pt[2139-:9] - 1:0] i0_predict_btag_d; + output wire [$clog2(pt[2061-:14]) - 1:0] dec_fa_error_index; + output wire dec_lsu_valid_raw_d; + output wire [31:0] dec_tlu_mrac_ff; + output wire [1:0] dec_data_en; + output wire [1:0] dec_ctl_en; + input wire [15:0] ifu_i0_cinst; + output wire [103:0] trace_rv_trace_pkt; + output wire dec_tlu_external_ldfwd_disable; + output wire dec_tlu_sideeffect_posted_disable; + output wire dec_tlu_core_ecc_disable; + output wire dec_tlu_bpred_disable; + output wire dec_tlu_wb_coalescing_disable; + output wire [2:0] dec_tlu_dma_qos_prty; + output wire dec_tlu_misc_clk_override; + output wire dec_tlu_ifu_clk_override; + output wire dec_tlu_lsu_clk_override; + output wire dec_tlu_bus_clk_override; + output wire dec_tlu_pic_clk_override; + output wire dec_tlu_picio_clk_override; + output wire dec_tlu_dccm_clk_override; + output wire dec_tlu_icm_clk_override; + output wire dec_tlu_i0_commit_cmt; + input wire scan_mode; + wire dec_tlu_dec_clk_override; + wire clk_override; + wire dec_ib0_valid_d; + wire dec_pmu_instr_decoded; + wire dec_pmu_decode_stall; + wire dec_pmu_presync_stall; + wire dec_pmu_postsync_stall; + wire dec_tlu_wr_pause_r; + wire [4:0] dec_i0_rs1_d; + wire [4:0] dec_i0_rs2_d; + wire [31:0] dec_i0_instr_d; + wire dec_tlu_trace_disable; + wire dec_tlu_pipelining_disable; + wire [4:0] dec_i0_waddr_r; + wire dec_i0_wen_r; + wire [31:0] dec_i0_wdata_r; + wire dec_csr_wen_r; + wire [11:0] dec_csr_wraddr_r; + wire [31:0] dec_csr_wrdata_r; + wire [11:0] dec_csr_rdaddr_d; + wire dec_csr_legal_d; + wire dec_csr_wen_unq_d; + wire dec_csr_any_unq_d; + wire dec_csr_stall_int_ff; + wire [16:0] dec_tlu_packet_r; + wire dec_i0_pc4_d; + wire dec_tlu_presync_d; + wire dec_tlu_postsync_d; + wire dec_tlu_debug_stall; + wire [31:0] dec_illegal_inst; + wire dec_i0_icaf_d; + wire dec_i0_dbecc_d; + wire dec_i0_icaf_second_d; + wire [3:0] dec_i0_trigger_match_d; + wire dec_debug_fence_d; + wire dec_nonblock_load_wen; + wire [4:0] dec_nonblock_load_waddr; + wire dec_tlu_flush_pause_r; + wire [50:0] dec_i0_brp; + wire [pt[2172-:9]:pt[2163-:6]] dec_i0_bp_index; + wire [pt[2236-:8] - 1:0] dec_i0_bp_fghr; + wire [pt[2139-:9] - 1:0] dec_i0_bp_btag; + wire [$clog2(pt[2061-:14]) - 1:0] dec_i0_bp_fa_index; + wire [31:1] dec_tlu_i0_pc_r; + wire dec_tlu_i0_kill_writeb_wb; + wire dec_tlu_i0_valid_r; + wire dec_pause_state; + wire [1:0] dec_i0_icaf_type_d; + wire dec_tlu_flush_extint; + wire [31:0] dec_i0_inst_wb; + wire [31:1] dec_i0_pc_wb; + wire dec_tlu_i0_valid_wb1; + wire dec_tlu_int_valid_wb1; + wire [4:0] dec_tlu_exc_cause_wb1; + wire [31:0] dec_tlu_mtval_wb1; + wire dec_tlu_i0_exc_valid_wb1; + wire [4:0] div_waddr_wb; + wire dec_div_active; + wire dec_debug_valid_d; + assign clk_override = dec_tlu_dec_clk_override; + assign dec_dbg_rddata[31:0] = dec_i0_wdata_r[31:0]; + eb1_dec_ib_ctl #(.pt(pt)) instbuff( + .dbg_cmd_valid(dbg_cmd_valid), + .dbg_cmd_write(dbg_cmd_write), + .dbg_cmd_type(dbg_cmd_type), + .dbg_cmd_addr(dbg_cmd_addr), + .i0_brp(i0_brp), + .ifu_i0_bp_index(ifu_i0_bp_index), + .ifu_i0_bp_fghr(ifu_i0_bp_fghr), + .ifu_i0_bp_btag(ifu_i0_bp_btag), + .ifu_i0_fa_index(ifu_i0_fa_index), + .ifu_i0_pc4(ifu_i0_pc4), + .ifu_i0_valid(ifu_i0_valid), + .ifu_i0_icaf(ifu_i0_icaf), + .ifu_i0_icaf_type(ifu_i0_icaf_type), + .ifu_i0_icaf_second(ifu_i0_icaf_second), + .ifu_i0_dbecc(ifu_i0_dbecc), + .ifu_i0_instr(ifu_i0_instr), + .ifu_i0_pc(ifu_i0_pc), + .dec_ib0_valid_d(dec_ib0_valid_d), + .dec_debug_valid_d(dec_debug_valid_d), + .dec_i0_instr_d(dec_i0_instr_d), + .dec_i0_pc_d(dec_i0_pc_d), + .dec_i0_pc4_d(dec_i0_pc4_d), + .dec_i0_brp(dec_i0_brp), + .dec_i0_bp_index(dec_i0_bp_index), + .dec_i0_bp_fghr(dec_i0_bp_fghr), + .dec_i0_bp_btag(dec_i0_bp_btag), + .dec_i0_bp_fa_index(dec_i0_bp_fa_index), + .dec_i0_icaf_d(dec_i0_icaf_d), + .dec_i0_icaf_second_d(dec_i0_icaf_second_d), + .dec_i0_icaf_type_d(dec_i0_icaf_type_d), + .dec_i0_dbecc_d(dec_i0_dbecc_d), + .dec_debug_wdata_rs1_d(dec_debug_wdata_rs1_d), + .dec_debug_fence_d(dec_debug_fence_d) + ); + eb1_dec_decode_ctl #(.pt(pt)) decode( + .dec_tlu_trace_disable(dec_tlu_trace_disable), + .dec_debug_valid_d(dec_debug_valid_d), + .dec_tlu_flush_extint(dec_tlu_flush_extint), + .dec_tlu_force_halt(dec_tlu_force_halt), + .dec_extint_stall(dec_extint_stall), + .ifu_i0_cinst(ifu_i0_cinst), + .dec_i0_inst_wb(dec_i0_inst_wb), + .dec_i0_pc_wb(dec_i0_pc_wb), + .lsu_nonblock_load_valid_m(lsu_nonblock_load_valid_m), + .lsu_nonblock_load_tag_m(lsu_nonblock_load_tag_m), + .lsu_nonblock_load_inv_r(lsu_nonblock_load_inv_r), + .lsu_nonblock_load_inv_tag_r(lsu_nonblock_load_inv_tag_r), + .lsu_nonblock_load_data_valid(lsu_nonblock_load_data_valid), + .lsu_nonblock_load_data_error(lsu_nonblock_load_data_error), + .lsu_nonblock_load_data_tag(lsu_nonblock_load_data_tag), + .dec_i0_trigger_match_d(dec_i0_trigger_match_d), + .dec_tlu_wr_pause_r(dec_tlu_wr_pause_r), + .dec_tlu_pipelining_disable(dec_tlu_pipelining_disable), + .lsu_trigger_match_m(lsu_trigger_match_m), + .lsu_pmu_misaligned_m(lsu_pmu_misaligned_m), + .dec_tlu_debug_stall(dec_tlu_debug_stall), + .dec_tlu_flush_leak_one_r(dec_tlu_flush_leak_one_r), + .dec_debug_fence_d(dec_debug_fence_d), + .dbg_cmd_wrdata(dbg_cmd_wrdata), + .dec_i0_icaf_d(dec_i0_icaf_d), + .dec_i0_icaf_second_d(dec_i0_icaf_second_d), + .dec_i0_icaf_type_d(dec_i0_icaf_type_d), + .dec_i0_dbecc_d(dec_i0_dbecc_d), + .dec_i0_brp(dec_i0_brp), + .dec_i0_bp_index(dec_i0_bp_index), + .dec_i0_bp_fghr(dec_i0_bp_fghr), + .dec_i0_bp_btag(dec_i0_bp_btag), + .dec_i0_bp_fa_index(dec_i0_bp_fa_index), + .lsu_idle_any(lsu_idle_any), + .lsu_load_stall_any(lsu_load_stall_any), + .lsu_store_stall_any(lsu_store_stall_any), + .dma_dccm_stall_any(dma_dccm_stall_any), + .exu_div_wren(exu_div_wren), + .dec_tlu_i0_kill_writeb_wb(dec_tlu_i0_kill_writeb_wb), + .dec_tlu_flush_lower_wb(dec_tlu_flush_lower_wb), + .dec_tlu_i0_kill_writeb_r(dec_tlu_i0_kill_writeb_r), + .dec_tlu_flush_lower_r(dec_tlu_flush_lower_r), + .dec_tlu_flush_pause_r(dec_tlu_flush_pause_r), + .dec_tlu_presync_d(dec_tlu_presync_d), + .dec_tlu_postsync_d(dec_tlu_postsync_d), + .dec_i0_pc4_d(dec_i0_pc4_d), + .dec_csr_rddata_d(dec_csr_rddata_d), + .dec_csr_legal_d(dec_csr_legal_d), + .exu_csr_rs1_x(exu_csr_rs1_x), + .lsu_result_m(lsu_result_m), + .lsu_result_corr_r(lsu_result_corr_r), + .exu_flush_final(exu_flush_final), + .exu_i0_pc_x(exu_i0_pc_x), + .dec_i0_instr_d(dec_i0_instr_d), + .dec_ib0_valid_d(dec_ib0_valid_d), + .exu_i0_result_x(exu_i0_result_x), + .clk(clk), + .active_clk(active_clk), + .free_l2clk(free_l2clk), + .clk_override(clk_override), + .rst_l(rst_l), + .dec_i0_rs1_en_d(dec_i0_rs1_en_d), + .dec_i0_rs2_en_d(dec_i0_rs2_en_d), + .dec_i0_rs1_d(dec_i0_rs1_d), + .dec_i0_rs2_d(dec_i0_rs2_d), + .dec_i0_immed_d(dec_i0_immed_d), + .dec_i0_br_immed_d(dec_i0_br_immed_d), + .i0_ap(i0_ap), + .dec_i0_decode_d(dec_i0_decode_d), + .dec_i0_alu_decode_d(dec_i0_alu_decode_d), + .dec_i0_branch_d(dec_i0_branch_d), + .dec_i0_waddr_r(dec_i0_waddr_r), + .dec_i0_wen_r(dec_i0_wen_r), + .dec_i0_wdata_r(dec_i0_wdata_r), + .dec_i0_select_pc_d(dec_i0_select_pc_d), + .dec_i0_rs1_bypass_en_d(dec_i0_rs1_bypass_en_d), + .dec_i0_rs2_bypass_en_d(dec_i0_rs2_bypass_en_d), + .dec_i0_result_r(dec_i0_result_r), + .lsu_p(lsu_p), + .dec_qual_lsu_d(dec_qual_lsu_d), + .mul_p(mul_p), + .div_p(div_p), + .div_waddr_wb(div_waddr_wb), + .dec_div_cancel(dec_div_cancel), + .dec_lsu_valid_raw_d(dec_lsu_valid_raw_d), + .dec_lsu_offset_d(dec_lsu_offset_d), + .dec_csr_ren_d(dec_csr_ren_d), + .dec_csr_wen_unq_d(dec_csr_wen_unq_d), + .dec_csr_any_unq_d(dec_csr_any_unq_d), + .dec_csr_rdaddr_d(dec_csr_rdaddr_d), + .dec_csr_wen_r(dec_csr_wen_r), + .dec_csr_wraddr_r(dec_csr_wraddr_r), + .dec_csr_wrdata_r(dec_csr_wrdata_r), + .dec_csr_stall_int_ff(dec_csr_stall_int_ff), + .dec_tlu_i0_valid_r(dec_tlu_i0_valid_r), + .dec_tlu_packet_r(dec_tlu_packet_r), + .dec_tlu_i0_pc_r(dec_tlu_i0_pc_r), + .dec_illegal_inst(dec_illegal_inst), + .pred_correct_npc_x(pred_correct_npc_x), + .dec_i0_predict_p_d(dec_i0_predict_p_d), + .i0_predict_fghr_d(i0_predict_fghr_d), + .i0_predict_index_d(i0_predict_index_d), + .i0_predict_btag_d(i0_predict_btag_d), + .dec_fa_error_index(dec_fa_error_index), + .dec_data_en(dec_data_en), + .dec_ctl_en(dec_ctl_en), + .dec_pmu_instr_decoded(dec_pmu_instr_decoded), + .dec_pmu_decode_stall(dec_pmu_decode_stall), + .dec_pmu_presync_stall(dec_pmu_presync_stall), + .dec_pmu_postsync_stall(dec_pmu_postsync_stall), + .dec_nonblock_load_wen(dec_nonblock_load_wen), + .dec_nonblock_load_waddr(dec_nonblock_load_waddr), + .dec_pause_state(dec_pause_state), + .dec_pause_state_cg(dec_pause_state_cg), + .dec_div_active(dec_div_active), + .scan_mode(scan_mode) + ); + eb1_dec_tlu_ctl #(.pt(pt)) tlu( + .clk(clk), + .free_clk(free_clk), + .free_l2clk(free_l2clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .rst_vec(rst_vec), + .nmi_int(nmi_int), + .nmi_vec(nmi_vec), + .i_cpu_halt_req(i_cpu_halt_req), + .i_cpu_run_req(i_cpu_run_req), + .lsu_fastint_stall_any(lsu_fastint_stall_any), + .ifu_pmu_instr_aligned(ifu_pmu_instr_aligned), + .ifu_pmu_fetch_stall(ifu_pmu_fetch_stall), + .ifu_pmu_ic_miss(ifu_pmu_ic_miss), + .ifu_pmu_ic_hit(ifu_pmu_ic_hit), + .ifu_pmu_bus_error(ifu_pmu_bus_error), + .ifu_pmu_bus_busy(ifu_pmu_bus_busy), + .ifu_pmu_bus_trxn(ifu_pmu_bus_trxn), + .dec_pmu_instr_decoded(dec_pmu_instr_decoded), + .dec_pmu_decode_stall(dec_pmu_decode_stall), + .dec_pmu_presync_stall(dec_pmu_presync_stall), + .dec_pmu_postsync_stall(dec_pmu_postsync_stall), + .lsu_store_stall_any(lsu_store_stall_any), + .dma_dccm_stall_any(dma_dccm_stall_any), + .dma_iccm_stall_any(dma_iccm_stall_any), + .exu_pmu_i0_br_misp(exu_pmu_i0_br_misp), + .exu_pmu_i0_br_ataken(exu_pmu_i0_br_ataken), + .exu_pmu_i0_pc4(exu_pmu_i0_pc4), + .lsu_pmu_bus_trxn(lsu_pmu_bus_trxn), + .lsu_pmu_bus_misaligned(lsu_pmu_bus_misaligned), + .lsu_pmu_bus_error(lsu_pmu_bus_error), + .lsu_pmu_bus_busy(lsu_pmu_bus_busy), + .lsu_pmu_load_external_m(lsu_pmu_load_external_m), + .lsu_pmu_store_external_m(lsu_pmu_store_external_m), + .dma_pmu_dccm_read(dma_pmu_dccm_read), + .dma_pmu_dccm_write(dma_pmu_dccm_write), + .dma_pmu_any_read(dma_pmu_any_read), + .dma_pmu_any_write(dma_pmu_any_write), + .lsu_fir_addr(lsu_fir_addr), + .lsu_fir_error(lsu_fir_error), + .iccm_dma_sb_error(iccm_dma_sb_error), + .lsu_error_pkt_r(lsu_error_pkt_r), + .lsu_single_ecc_error_incr(lsu_single_ecc_error_incr), + .dec_pause_state(dec_pause_state), + .lsu_imprecise_error_store_any(lsu_imprecise_error_store_any), + .lsu_imprecise_error_load_any(lsu_imprecise_error_load_any), + .lsu_imprecise_error_addr_any(lsu_imprecise_error_addr_any), + .dec_csr_wen_unq_d(dec_csr_wen_unq_d), + .dec_csr_any_unq_d(dec_csr_any_unq_d), + .dec_csr_rdaddr_d(dec_csr_rdaddr_d), + .dec_csr_wen_r(dec_csr_wen_r), + .dec_csr_wraddr_r(dec_csr_wraddr_r), + .dec_csr_wrdata_r(dec_csr_wrdata_r), + .dec_csr_stall_int_ff(dec_csr_stall_int_ff), + .dec_tlu_i0_valid_r(dec_tlu_i0_valid_r), + .exu_npc_r(exu_npc_r), + .dec_tlu_i0_pc_r(dec_tlu_i0_pc_r), + .dec_tlu_packet_r(dec_tlu_packet_r), + .dec_illegal_inst(dec_illegal_inst), + .dec_i0_decode_d(dec_i0_decode_d), + .exu_i0_br_hist_r(exu_i0_br_hist_r), + .exu_i0_br_error_r(exu_i0_br_error_r), + .exu_i0_br_start_error_r(exu_i0_br_start_error_r), + .exu_i0_br_valid_r(exu_i0_br_valid_r), + .exu_i0_br_mp_r(exu_i0_br_mp_r), + .exu_i0_br_middle_r(exu_i0_br_middle_r), + .exu_i0_br_way_r(exu_i0_br_way_r), + .dec_tlu_core_empty(dec_tlu_core_empty), + .dec_dbg_cmd_done(dec_dbg_cmd_done), + .dec_dbg_cmd_fail(dec_dbg_cmd_fail), + .dec_tlu_dbg_halted(dec_tlu_dbg_halted), + .dec_tlu_debug_mode(dec_tlu_debug_mode), + .dec_tlu_resume_ack(dec_tlu_resume_ack), + .dec_tlu_debug_stall(dec_tlu_debug_stall), + .dec_tlu_flush_noredir_r(dec_tlu_flush_noredir_r), + .dec_tlu_mpc_halted_only(dec_tlu_mpc_halted_only), + .dec_tlu_flush_leak_one_r(dec_tlu_flush_leak_one_r), + .dec_tlu_flush_err_r(dec_tlu_flush_err_r), + .dec_tlu_flush_extint(dec_tlu_flush_extint), + .dec_tlu_meihap(dec_tlu_meihap), + .dbg_halt_req(dbg_halt_req), + .dbg_resume_req(dbg_resume_req), + .ifu_miss_state_idle(ifu_miss_state_idle), + .lsu_idle_any(lsu_idle_any), + .dec_div_active(dec_div_active), + .trigger_pkt_any(trigger_pkt_any), + .ifu_ic_error_start(ifu_ic_error_start), + .ifu_iccm_rd_ecc_single_err(ifu_iccm_rd_ecc_single_err), + .ifu_ic_debug_rd_data(ifu_ic_debug_rd_data), + .ifu_ic_debug_rd_data_valid(ifu_ic_debug_rd_data_valid), + .dec_tlu_ic_diag_pkt(dec_tlu_ic_diag_pkt), + .pic_claimid(pic_claimid), + .pic_pl(pic_pl), + .mhwakeup(mhwakeup), + .mexintpend(mexintpend), + .timer_int(timer_int), + .soft_int(soft_int), + .o_cpu_halt_status(o_cpu_halt_status), + .o_cpu_halt_ack(o_cpu_halt_ack), + .o_cpu_run_ack(o_cpu_run_ack), + .o_debug_mode_status(o_debug_mode_status), + .core_id(core_id), + .mpc_debug_halt_req(mpc_debug_halt_req), + .mpc_debug_run_req(mpc_debug_run_req), + .mpc_reset_run_req(mpc_reset_run_req), + .mpc_debug_halt_ack(mpc_debug_halt_ack), + .mpc_debug_run_ack(mpc_debug_run_ack), + .debug_brkpt_status(debug_brkpt_status), + .dec_tlu_meicurpl(dec_tlu_meicurpl), + .dec_tlu_meipt(dec_tlu_meipt), + .dec_csr_rddata_d(dec_csr_rddata_d), + .dec_csr_legal_d(dec_csr_legal_d), + .dec_tlu_br0_r_pkt(dec_tlu_br0_r_pkt), + .dec_tlu_i0_kill_writeb_wb(dec_tlu_i0_kill_writeb_wb), + .dec_tlu_flush_lower_wb(dec_tlu_flush_lower_wb), + .dec_tlu_i0_commit_cmt(dec_tlu_i0_commit_cmt), + .dec_tlu_i0_kill_writeb_r(dec_tlu_i0_kill_writeb_r), + .dec_tlu_flush_lower_r(dec_tlu_flush_lower_r), + .dec_tlu_flush_path_r(dec_tlu_flush_path_r), + .dec_tlu_fence_i_r(dec_tlu_fence_i_r), + .dec_tlu_wr_pause_r(dec_tlu_wr_pause_r), + .dec_tlu_flush_pause_r(dec_tlu_flush_pause_r), + .dec_tlu_presync_d(dec_tlu_presync_d), + .dec_tlu_postsync_d(dec_tlu_postsync_d), + .dec_tlu_mrac_ff(dec_tlu_mrac_ff), + .dec_tlu_force_halt(dec_tlu_force_halt), + .dec_tlu_perfcnt0(dec_tlu_perfcnt0), + .dec_tlu_perfcnt1(dec_tlu_perfcnt1), + .dec_tlu_perfcnt2(dec_tlu_perfcnt2), + .dec_tlu_perfcnt3(dec_tlu_perfcnt3), + .dec_tlu_i0_exc_valid_wb1(dec_tlu_i0_exc_valid_wb1), + .dec_tlu_i0_valid_wb1(dec_tlu_i0_valid_wb1), + .dec_tlu_int_valid_wb1(dec_tlu_int_valid_wb1), + .dec_tlu_exc_cause_wb1(dec_tlu_exc_cause_wb1), + .dec_tlu_mtval_wb1(dec_tlu_mtval_wb1), + .dec_tlu_external_ldfwd_disable(dec_tlu_external_ldfwd_disable), + .dec_tlu_sideeffect_posted_disable(dec_tlu_sideeffect_posted_disable), + .dec_tlu_core_ecc_disable(dec_tlu_core_ecc_disable), + .dec_tlu_bpred_disable(dec_tlu_bpred_disable), + .dec_tlu_wb_coalescing_disable(dec_tlu_wb_coalescing_disable), + .dec_tlu_pipelining_disable(dec_tlu_pipelining_disable), + .dec_tlu_trace_disable(dec_tlu_trace_disable), + .dec_tlu_dma_qos_prty(dec_tlu_dma_qos_prty), + .dec_tlu_misc_clk_override(dec_tlu_misc_clk_override), + .dec_tlu_dec_clk_override(dec_tlu_dec_clk_override), + .dec_tlu_ifu_clk_override(dec_tlu_ifu_clk_override), + .dec_tlu_lsu_clk_override(dec_tlu_lsu_clk_override), + .dec_tlu_bus_clk_override(dec_tlu_bus_clk_override), + .dec_tlu_pic_clk_override(dec_tlu_pic_clk_override), + .dec_tlu_picio_clk_override(dec_tlu_picio_clk_override), + .dec_tlu_dccm_clk_override(dec_tlu_dccm_clk_override), + .dec_tlu_icm_clk_override(dec_tlu_icm_clk_override) + ); + eb1_dec_gpr_ctl #(.pt(pt)) arf( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .raddr0(dec_i0_rs1_d[4:0]), + .raddr1(dec_i0_rs2_d[4:0]), + .wen0(dec_i0_wen_r), + .waddr0(dec_i0_waddr_r[4:0]), + .wd0(dec_i0_wdata_r[31:0]), + .wen1(dec_nonblock_load_wen), + .waddr1(dec_nonblock_load_waddr[4:0]), + .wd1(lsu_nonblock_load_data[31:0]), + .wen2(exu_div_wren), + .waddr2(div_waddr_wb), + .wd2(exu_div_result[31:0]), + .rd0(gpr_i0_rs1_d[31:0]), + .rd1(gpr_i0_rs2_d[31:0]) + ); + eb1_dec_trigger #(.pt(pt)) dec_trigger( + .trigger_pkt_any(trigger_pkt_any), + .dec_i0_pc_d(dec_i0_pc_d), + .dec_i0_trigger_match_d(dec_i0_trigger_match_d) + ); + assign trace_rv_trace_pkt[102-:32] = dec_i0_inst_wb[31:0]; + assign trace_rv_trace_pkt[70-:32] = {dec_i0_pc_wb[31:1], 1'b0}; + assign trace_rv_trace_pkt[103] = (dec_tlu_int_valid_wb1 | dec_tlu_i0_valid_wb1) | dec_tlu_i0_exc_valid_wb1; + assign trace_rv_trace_pkt[38] = dec_tlu_int_valid_wb1 | dec_tlu_i0_exc_valid_wb1; + assign trace_rv_trace_pkt[37-:5] = dec_tlu_exc_cause_wb1[4:0]; + assign trace_rv_trace_pkt[32] = dec_tlu_int_valid_wb1; + assign trace_rv_trace_pkt[31-:32] = dec_tlu_mtval_wb1[31:0]; +endmodule +module eb1_dec_decode_ctl ( + dec_tlu_trace_disable, + dec_debug_valid_d, + dec_tlu_flush_extint, + dec_tlu_force_halt, + dec_extint_stall, + ifu_i0_cinst, + dec_i0_inst_wb, + dec_i0_pc_wb, + lsu_nonblock_load_valid_m, + lsu_nonblock_load_tag_m, + lsu_nonblock_load_inv_r, + lsu_nonblock_load_inv_tag_r, + lsu_nonblock_load_data_valid, + lsu_nonblock_load_data_error, + lsu_nonblock_load_data_tag, + dec_i0_trigger_match_d, + dec_tlu_wr_pause_r, + dec_tlu_pipelining_disable, + lsu_trigger_match_m, + lsu_pmu_misaligned_m, + dec_tlu_debug_stall, + dec_tlu_flush_leak_one_r, + dec_debug_fence_d, + dbg_cmd_wrdata, + dec_i0_icaf_d, + dec_i0_icaf_second_d, + dec_i0_icaf_type_d, + dec_i0_dbecc_d, + dec_i0_brp, + dec_i0_bp_index, + dec_i0_bp_fghr, + dec_i0_bp_btag, + dec_i0_bp_fa_index, + lsu_idle_any, + lsu_load_stall_any, + lsu_store_stall_any, + dma_dccm_stall_any, + exu_div_wren, + dec_tlu_i0_kill_writeb_wb, + dec_tlu_flush_lower_wb, + dec_tlu_i0_kill_writeb_r, + dec_tlu_flush_lower_r, + dec_tlu_flush_pause_r, + dec_tlu_presync_d, + dec_tlu_postsync_d, + dec_i0_pc4_d, + dec_csr_rddata_d, + dec_csr_legal_d, + exu_csr_rs1_x, + lsu_result_m, + lsu_result_corr_r, + exu_flush_final, + exu_i0_pc_x, + dec_i0_instr_d, + dec_ib0_valid_d, + exu_i0_result_x, + clk, + active_clk, + free_l2clk, + clk_override, + rst_l, + dec_i0_rs1_en_d, + dec_i0_rs2_en_d, + dec_i0_rs1_d, + dec_i0_rs2_d, + dec_i0_immed_d, + dec_i0_br_immed_d, + i0_ap, + dec_i0_decode_d, + dec_i0_alu_decode_d, + dec_i0_branch_d, + dec_i0_waddr_r, + dec_i0_wen_r, + dec_i0_wdata_r, + dec_i0_select_pc_d, + dec_i0_rs1_bypass_en_d, + dec_i0_rs2_bypass_en_d, + dec_i0_result_r, + lsu_p, + dec_qual_lsu_d, + mul_p, + div_p, + div_waddr_wb, + dec_div_cancel, + dec_lsu_valid_raw_d, + dec_lsu_offset_d, + dec_csr_ren_d, + dec_csr_wen_unq_d, + dec_csr_any_unq_d, + dec_csr_rdaddr_d, + dec_csr_wen_r, + dec_csr_wraddr_r, + dec_csr_wrdata_r, + dec_csr_stall_int_ff, + dec_tlu_i0_valid_r, + dec_tlu_packet_r, + dec_tlu_i0_pc_r, + dec_illegal_inst, + pred_correct_npc_x, + dec_i0_predict_p_d, + i0_predict_fghr_d, + i0_predict_index_d, + i0_predict_btag_d, + dec_fa_error_index, + dec_data_en, + dec_ctl_en, + dec_pmu_instr_decoded, + dec_pmu_decode_stall, + dec_pmu_presync_stall, + dec_pmu_postsync_stall, + dec_nonblock_load_wen, + dec_nonblock_load_waddr, + dec_pause_state, + dec_pause_state_cg, + dec_div_active, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire dec_tlu_trace_disable; + input wire dec_debug_valid_d; + input wire dec_tlu_flush_extint; + input wire dec_tlu_force_halt; + output wire dec_extint_stall; + input wire [15:0] ifu_i0_cinst; + output wire [31:0] dec_i0_inst_wb; + output wire [31:1] dec_i0_pc_wb; + input wire lsu_nonblock_load_valid_m; + input wire [pt[164-:7] - 1:0] lsu_nonblock_load_tag_m; + input wire lsu_nonblock_load_inv_r; + input wire [pt[164-:7] - 1:0] lsu_nonblock_load_inv_tag_r; + input wire lsu_nonblock_load_data_valid; + input wire lsu_nonblock_load_data_error; + input wire [pt[164-:7] - 1:0] lsu_nonblock_load_data_tag; + input wire [3:0] dec_i0_trigger_match_d; + input wire dec_tlu_wr_pause_r; + input wire dec_tlu_pipelining_disable; + input wire [3:0] lsu_trigger_match_m; + input wire lsu_pmu_misaligned_m; + input wire dec_tlu_debug_stall; + input wire dec_tlu_flush_leak_one_r; + input wire dec_debug_fence_d; + input wire [1:0] dbg_cmd_wrdata; + input wire dec_i0_icaf_d; + input wire dec_i0_icaf_second_d; + input wire [1:0] dec_i0_icaf_type_d; + input wire dec_i0_dbecc_d; + input wire [50:0] dec_i0_brp; + input wire [pt[2172-:9]:pt[2163-:6]] dec_i0_bp_index; + input wire [pt[2236-:8] - 1:0] dec_i0_bp_fghr; + input wire [pt[2139-:9] - 1:0] dec_i0_bp_btag; + input wire [$clog2(pt[2061-:14]) - 1:0] dec_i0_bp_fa_index; + input wire lsu_idle_any; + input wire lsu_load_stall_any; + input wire lsu_store_stall_any; + input wire dma_dccm_stall_any; + input wire exu_div_wren; + input wire dec_tlu_i0_kill_writeb_wb; + input wire dec_tlu_flush_lower_wb; + input wire dec_tlu_i0_kill_writeb_r; + input wire dec_tlu_flush_lower_r; + input wire dec_tlu_flush_pause_r; + input wire dec_tlu_presync_d; + input wire dec_tlu_postsync_d; + input wire dec_i0_pc4_d; + input wire [31:0] dec_csr_rddata_d; + input wire dec_csr_legal_d; + input wire [31:0] exu_csr_rs1_x; + input wire [31:0] lsu_result_m; + input wire [31:0] lsu_result_corr_r; + input wire exu_flush_final; + input wire [31:1] exu_i0_pc_x; + input wire [31:0] dec_i0_instr_d; + input wire dec_ib0_valid_d; + input wire [31:0] exu_i0_result_x; + input wire clk; + input wire active_clk; + input wire free_l2clk; + input wire clk_override; + input wire rst_l; + output wire dec_i0_rs1_en_d; + output wire dec_i0_rs2_en_d; + output wire [4:0] dec_i0_rs1_d; + output wire [4:0] dec_i0_rs2_d; + output wire [31:0] dec_i0_immed_d; + output wire [12:1] dec_i0_br_immed_d; + output wire [43:0] i0_ap; + output wire dec_i0_decode_d; + output wire dec_i0_alu_decode_d; + output wire dec_i0_branch_d; + output wire [4:0] dec_i0_waddr_r; + output wire dec_i0_wen_r; + output wire [31:0] dec_i0_wdata_r; + output wire dec_i0_select_pc_d; + output wire [3:0] dec_i0_rs1_bypass_en_d; + output wire [3:0] dec_i0_rs2_bypass_en_d; + output wire [31:0] dec_i0_result_r; + output reg [13:0] lsu_p; + output wire dec_qual_lsu_d; + output wire [19:0] mul_p; + output wire [2:0] div_p; + output wire [4:0] div_waddr_wb; + output wire dec_div_cancel; + output wire dec_lsu_valid_raw_d; + output wire [11:0] dec_lsu_offset_d; + output wire dec_csr_ren_d; + output wire dec_csr_wen_unq_d; + output wire dec_csr_any_unq_d; + output wire [11:0] dec_csr_rdaddr_d; + output wire dec_csr_wen_r; + output wire [11:0] dec_csr_wraddr_r; + output wire [31:0] dec_csr_wrdata_r; + output wire dec_csr_stall_int_ff; + output dec_tlu_i0_valid_r; + output reg [16:0] dec_tlu_packet_r; + output wire [31:1] dec_tlu_i0_pc_r; + output wire [31:0] dec_illegal_inst; + output wire [31:1] pred_correct_npc_x; + output reg [55:0] dec_i0_predict_p_d; + output wire [pt[2236-:8] - 1:0] i0_predict_fghr_d; + output wire [pt[2172-:9]:pt[2163-:6]] i0_predict_index_d; + output wire [pt[2139-:9] - 1:0] i0_predict_btag_d; + output wire [$clog2(pt[2061-:14]) - 1:0] dec_fa_error_index; + output wire [1:0] dec_data_en; + output wire [1:0] dec_ctl_en; + output wire dec_pmu_instr_decoded; + output wire dec_pmu_decode_stall; + output wire dec_pmu_presync_stall; + output wire dec_pmu_postsync_stall; + output wire dec_nonblock_load_wen; + output reg [4:0] dec_nonblock_load_waddr; + output wire dec_pause_state; + output wire dec_pause_state_cg; + output wire dec_div_active; + input wire scan_mode; + wire [94:0] i0_dp_raw; + reg [94:0] i0_dp; + wire [31:0] i0; + wire i0_valid_d; + wire [31:0] i0_result_r; + wire [2:0] i0_rs1bypass; + wire [2:0] i0_rs2bypass; + wire i0_jalimm20; + wire i0_uiimm20; + wire lsu_decode_d; + wire [31:0] i0_immed_d; + wire i0_presync; + wire i0_postsync; + wire postsync_stall; + wire ps_stall; + wire prior_inflight; + wire prior_inflight_wb; + wire csr_clr_d; + wire csr_set_d; + wire csr_write_d; + wire csr_clr_x; + wire csr_set_x; + wire csr_write_x; + wire csr_imm_x; + wire [31:0] csr_mask_x; + wire [31:0] write_csr_data_x; + wire [31:0] write_csr_data_in; + wire [31:0] write_csr_data; + wire csr_data_wen; + wire [4:0] csrimm_x; + wire [31:0] csr_rddata_x; + wire mul_decode_d; + wire div_decode_d; + wire div_e1_to_r; + wire div_flush; + wire div_active_in; + wire div_active; + wire i0_nonblock_div_stall; + wire i0_div_prior_div_stall; + wire nonblock_div_cancel; + wire i0_legal; + wire shift_illegal; + wire illegal_inst_en; + wire illegal_lockout_in; + wire illegal_lockout; + wire i0_legal_decode_d; + wire i0_exulegal_decode_d; + wire i0_exudecode_d; + wire i0_exublock_d; + wire [12:1] last_br_immed_d; + wire i0_rs1_depend_i0_x; + wire i0_rs1_depend_i0_r; + wire i0_rs2_depend_i0_x; + wire i0_rs2_depend_i0_r; + wire i0_div_decode_d; + wire i0_load_block_d; + wire [1:0] i0_rs1_depth_d; + wire [1:0] i0_rs2_depth_d; + wire i0_load_stall_d; + wire i0_store_stall_d; + wire i0_predict_nt; + wire i0_predict_t; + wire i0_notbr_error; + wire i0_br_toffset_error; + wire i0_ret_error; + wire i0_br_error; + wire i0_br_error_all; + wire [11:0] i0_br_offset; + wire [20:1] i0_pcall_imm; + wire i0_pcall_12b_offset; + wire i0_pcall_raw; + wire i0_pcall_case; + wire i0_pcall; + wire i0_pja_raw; + wire i0_pja_case; + wire i0_pja; + wire i0_pret_case; + wire i0_pret_raw; + wire i0_pret; + wire i0_jal; + wire i0_predict_br; + wire store_data_bypass_d; + wire store_data_bypass_m; + wire [2:0] i0_rs1_class_d; + wire [2:0] i0_rs2_class_d; + wire [2:0] i0_d_c; + wire [2:0] i0_x_c; + wire [2:0] i0_r_c; + wire i0_ap_pc2; + wire i0_ap_pc4; + wire i0_rd_en_d; + wire load_ldst_bypass_d; + wire leak1_i0_stall_in; + wire leak1_i0_stall; + wire leak1_i1_stall_in; + wire leak1_i1_stall; + wire leak1_mode; + wire i0_csr_write_only_d; + wire prior_inflight_x; + wire prior_inflight_eff; + wire any_csr_d; + wire prior_csr_write; + wire [3:0] i0_pipe_en; + wire i0_r_ctl_en; + wire i0_x_ctl_en; + wire i0_wb_ctl_en; + wire i0_x_data_en; + wire i0_r_data_en; + wire i0_wb_data_en; + wire debug_fence_i; + wire debug_fence; + wire i0_csr_write; + wire presync_stall; + wire i0_instr_error; + wire i0_icaf_d; + wire clear_pause; + wire pause_state_in; + wire pause_state; + wire pause_stall; + wire i0_brp_valid; + wire nonblock_load_cancel; + wire lsu_idle; + wire lsu_pmu_misaligned_r; + wire csr_ren_qual_d; + wire csr_read_x; + wire i0_block_d; + wire i0_block_raw_d; + wire ps_stall_in; + wire [31:0] i0_result_x; + wire [23:0] d_d; + wire [23:0] x_d; + wire [23:0] r_d; + wire [23:0] wbd; + reg [23:0] x_d_in; + reg [23:0] r_d_in; + wire [16:0] d_t; + wire [16:0] x_t; + reg [16:0] x_t_in; + reg [16:0] r_t_in; + wire [16:0] r_t; + wire [3:0] lsu_trigger_match_r; + wire [31:1] dec_i0_pc_r; + wire csr_read; + wire csr_write; + wire i0_br_unpred; + wire nonblock_load_valid_m_delay; + wire i0_wen_r; + wire tlu_wr_pause_r1; + wire tlu_wr_pause_r2; + wire flush_final_r; + wire bitmanip_zbb_legal; + wire bitmanip_zbs_legal; + wire bitmanip_zbe_legal; + wire bitmanip_zbc_legal; + wire bitmanip_zbp_legal; + wire bitmanip_zbr_legal; + wire bitmanip_zbf_legal; + wire bitmanip_zba_legal; + wire bitmanip_zbb_zbp_legal; + wire bitmanip_legal; + wire data_gate_en; + wire data_gate_clk; + localparam NBLOAD_SIZE = pt[173-:9]; + function automatic signed [31:0] sv2v_cast_32_signed; + input reg signed [31:0] inp; + sv2v_cast_32_signed = inp; + endfunction + localparam NBLOAD_SIZE_MSB = sv2v_cast_32_signed(pt[173-:9]) - 1; + localparam NBLOAD_TAG_MSB = pt[164-:7] - 1; + wire cam_write; + wire cam_inv_reset; + wire cam_data_reset; + wire [NBLOAD_TAG_MSB:0] cam_write_tag; + wire [NBLOAD_TAG_MSB:0] cam_inv_reset_tag; + wire [NBLOAD_TAG_MSB:0] cam_data_reset_tag; + reg [NBLOAD_SIZE_MSB:0] cam_wen; + wire [NBLOAD_TAG_MSB:0] load_data_tag; + wire [NBLOAD_SIZE_MSB:0] nonblock_load_write; + reg [(NBLOAD_SIZE_MSB >= 0 ? ((NBLOAD_SIZE_MSB + 1) * 10) - 1 : ((1 - NBLOAD_SIZE_MSB) * 10) + ((NBLOAD_SIZE_MSB * 10) - 1)):(NBLOAD_SIZE_MSB >= 0 ? 0 : NBLOAD_SIZE_MSB * 10)] cam; + reg [(NBLOAD_SIZE_MSB >= 0 ? ((NBLOAD_SIZE_MSB + 1) * 10) - 1 : ((1 - NBLOAD_SIZE_MSB) * 10) + ((NBLOAD_SIZE_MSB * 10) - 1)):(NBLOAD_SIZE_MSB >= 0 ? 0 : NBLOAD_SIZE_MSB * 10)] cam_in; + wire [(NBLOAD_SIZE_MSB >= 0 ? ((NBLOAD_SIZE_MSB + 1) * 10) - 1 : ((1 - NBLOAD_SIZE_MSB) * 10) + ((NBLOAD_SIZE_MSB * 10) - 1)):(NBLOAD_SIZE_MSB >= 0 ? 0 : NBLOAD_SIZE_MSB * 10)] cam_raw; + wire [4:0] nonblock_load_rd; + reg i0_nonblock_load_stall; + wire i0_nonblock_boundary_stall; + wire i0_rs1_nonblock_load_bypass_en_d; + wire i0_rs2_nonblock_load_bypass_en_d; + wire i0_load_kill_wen_r; + reg found; + wire [NBLOAD_SIZE_MSB:0] cam_inv_reset_val; + wire [NBLOAD_SIZE_MSB:0] cam_data_reset_val; + wire debug_fence_raw; + wire [31:0] i0_result_r_raw; + wire [31:0] i0_result_corr_r; + wire [12:1] last_br_immed_x; + wire [31:0] i0_inst_d; + wire [31:0] i0_inst_x; + wire [31:0] i0_inst_r; + wire [31:0] i0_inst_wb_in; + wire [31:0] i0_inst_wb; + wire [31:1] i0_pc_wb; + wire i0_wb_en; + wire trace_enable; + wire debug_valid_x; + reg [3:0] i0_itype; + wire [14:0] i0r; + rvdffie #(.WIDTH(8)) misc1ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({leak1_i1_stall_in, leak1_i0_stall_in, dec_tlu_flush_extint, pause_state_in, dec_tlu_wr_pause_r, tlu_wr_pause_r1, illegal_lockout_in, ps_stall_in}), + .dout({leak1_i1_stall, leak1_i0_stall, dec_extint_stall, pause_state, tlu_wr_pause_r1, tlu_wr_pause_r2, illegal_lockout, ps_stall}) + ); + rvdffie #(.WIDTH(8)) misc2ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({lsu_trigger_match_m[3:0], lsu_pmu_misaligned_m, div_active_in, exu_flush_final, dec_debug_valid_d}), + .dout({lsu_trigger_match_r[3:0], lsu_pmu_misaligned_r, div_active, flush_final_r, debug_valid_x}) + ); + generate + if (pt[2130-:5] == 1) begin + assign i0_brp_valid = (dec_i0_brp[50] & ~leak1_mode) & ~i0_icaf_d; + wire [1:1] sv2v_tmp_123E1; + assign sv2v_tmp_123E1 = 1'b0; + always @(*) dec_i0_predict_p_d[55] = sv2v_tmp_123E1; + wire [1:1] sv2v_tmp_D766F; + assign sv2v_tmp_D766F = 1'b0; + always @(*) dec_i0_predict_p_d[54] = sv2v_tmp_D766F; + wire [1:1] sv2v_tmp_EE665; + assign sv2v_tmp_EE665 = 1'b0; + always @(*) dec_i0_predict_p_d[53] = sv2v_tmp_EE665; + wire [1:1] sv2v_tmp_4A5D3; + assign sv2v_tmp_4A5D3 = i0_pcall; + always @(*) dec_i0_predict_p_d[34] = sv2v_tmp_4A5D3; + wire [1:1] sv2v_tmp_C4472; + assign sv2v_tmp_C4472 = i0_pja; + always @(*) dec_i0_predict_p_d[33] = sv2v_tmp_C4472; + wire [1:1] sv2v_tmp_BC36C; + assign sv2v_tmp_BC36C = i0_pret; + always @(*) dec_i0_predict_p_d[31] = sv2v_tmp_BC36C; + wire [31:1] sv2v_tmp_16255; + assign sv2v_tmp_16255 = dec_i0_brp[32:2]; + always @(*) dec_i0_predict_p_d[30:0] = sv2v_tmp_16255; + wire [1:1] sv2v_tmp_CF546; + assign sv2v_tmp_CF546 = dec_i0_pc4_d; + always @(*) dec_i0_predict_p_d[52] = sv2v_tmp_CF546; + wire [2:1] sv2v_tmp_1B1F0; + assign sv2v_tmp_1B1F0 = dec_i0_brp[37:36]; + always @(*) dec_i0_predict_p_d[51:50] = sv2v_tmp_1B1F0; + wire [1:1] sv2v_tmp_3FDDA; + assign sv2v_tmp_3FDDA = i0_brp_valid & i0_legal_decode_d; + always @(*) dec_i0_predict_p_d[37] = sv2v_tmp_3FDDA; + assign i0_notbr_error = i0_brp_valid & ~(((i0_dp_raw[28] | i0_pcall_raw) | i0_pja_raw) | i0_pret_raw); + assign i0_br_toffset_error = ((i0_brp_valid & dec_i0_brp[37]) & (dec_i0_brp[49:38] != i0_br_offset[11:0])) & ~i0_pret_raw; + assign i0_ret_error = i0_brp_valid & (dec_i0_brp[0] ^ i0_pret_raw); + assign i0_br_error = ((dec_i0_brp[35] | i0_notbr_error) | i0_br_toffset_error) | i0_ret_error; + wire [1:1] sv2v_tmp_75A7E; + assign sv2v_tmp_75A7E = (i0_br_error & i0_legal_decode_d) & ~leak1_mode; + always @(*) dec_i0_predict_p_d[36] = sv2v_tmp_75A7E; + wire [1:1] sv2v_tmp_6E7A2; + assign sv2v_tmp_6E7A2 = (dec_i0_brp[34] & i0_legal_decode_d) & ~leak1_mode; + always @(*) dec_i0_predict_p_d[35] = sv2v_tmp_6E7A2; + assign i0_predict_index_d[pt[2172-:9]:pt[2163-:6]] = dec_i0_bp_index; + assign i0_predict_btag_d[pt[2139-:9] - 1:0] = dec_i0_bp_btag[pt[2139-:9] - 1:0]; + assign i0_br_error_all = (i0_br_error | dec_i0_brp[34]) & ~leak1_mode; + wire [12:1] sv2v_tmp_AC6BD; + assign sv2v_tmp_AC6BD = i0_br_offset[11:0]; + always @(*) dec_i0_predict_p_d[49:38] = sv2v_tmp_AC6BD; + assign i0_predict_fghr_d[pt[2236-:8] - 1:0] = dec_i0_bp_fghr[pt[2236-:8] - 1:0]; + wire [1:1] sv2v_tmp_11732; + assign sv2v_tmp_11732 = dec_i0_brp[1]; + always @(*) dec_i0_predict_p_d[32] = sv2v_tmp_11732; + if (pt[2120-:5]) begin + wire btb_error_found; + wire btb_error_found_f; + wire [$clog2(pt[2061-:14]) - 1:0] fa_error_index_ns; + assign btb_error_found = (i0_br_error_all | btb_error_found_f) & ~dec_tlu_flush_lower_r; + assign fa_error_index_ns = (i0_br_error_all & ~btb_error_found_f ? dec_i0_bp_fa_index : dec_fa_error_index); + rvdff #(.WIDTH($clog2(pt[2061-:14]) + 1)) btberrorfa_f( + .rst_l(rst_l), + .clk(active_clk), + .din({btb_error_found, fa_error_index_ns}), + .dout({btb_error_found_f, dec_fa_error_index}) + ); + end + else assign dec_fa_error_index = 'b0; + end + else begin + always @(*) begin + dec_i0_predict_p_d = {56 {1'sb0}}; + dec_i0_predict_p_d[34] = i0_pcall; + dec_i0_predict_p_d[33] = i0_pja; + dec_i0_predict_p_d[31] = i0_pret; + dec_i0_predict_p_d[52] = dec_i0_pc4_d; + end + assign i0_br_error_all = 1'b0; + assign i0_predict_index_d = {(pt[2172-:9] >= pt[2163-:6] ? (pt[2172-:9] - pt[2163-:6]) + 1 : (pt[2163-:6] - pt[2172-:9]) + 1) {1'sb0}}; + assign i0_predict_btag_d = {pt[2139-:9] {1'sb0}}; + assign i0_predict_fghr_d = {pt[2236-:8] {1'sb0}}; + assign i0_brp_valid = 1'b0; + end + endgenerate + assign i0_icaf_d = dec_i0_icaf_d | dec_i0_dbecc_d; + assign i0_instr_error = i0_icaf_d; + always @(*) begin + i0_dp = i0_dp_raw; + if (i0_br_error_all | i0_instr_error) begin + i0_dp = {95 {1'sb0}}; + i0_dp[49] = 1'b1; + i0_dp[48] = 1'b1; + i0_dp[47] = 1'b1; + i0_dp[35] = 1'b1; + i0_dp[0] = 1'b1; + i0_dp[13] = 1'b1; + end + end + assign i0[31:0] = dec_i0_instr_d[31:0]; + assign dec_i0_select_pc_d = i0_dp[42]; + assign i0_predict_br = ((i0_dp[28] | i0_pcall) | i0_pja) | i0_pret; + assign i0_predict_nt = ~(dec_i0_brp[37] & i0_brp_valid) & i0_predict_br; + assign i0_predict_t = (dec_i0_brp[37] & i0_brp_valid) & i0_predict_br; + assign i0_ap[8] = i0_dp[38]; + assign i0_ap[7] = i0_dp[37]; + assign i0_ap[18] = i0_dp[36]; + assign i0_ap[17] = i0_dp[35]; + assign i0_ap[16] = i0_dp[34]; + assign i0_ap[15] = i0_dp[33]; + assign i0_ap[14] = i0_dp[31]; + assign i0_ap[13] = i0_dp[32]; + assign i0_ap[6] = i0_dp[30]; + assign i0_ap[5] = i0_dp[29]; + assign i0_ap[12] = i0_dp[27]; + assign i0_ap[11] = i0_dp[26]; + assign i0_ap[10] = i0_dp[24]; + assign i0_ap[9] = i0_dp[25]; + assign i0_ap[43] = i0_dp[94]; + assign i0_ap[42] = i0_dp[93]; + assign i0_ap[41] = i0_dp[92]; + assign i0_ap[40] = i0_dp[91]; + assign i0_ap[39] = i0_dp[90]; + assign i0_ap[22] = i0_dp[53]; + assign i0_ap[21] = i0_dp[52]; + assign i0_ap[20] = i0_dp[51]; + assign i0_ap[19] = i0_dp[50]; + assign i0_ap[38] = i0_dp[89]; + assign i0_ap[37] = i0_dp[88]; + assign i0_ap[36] = i0_dp[87]; + assign i0_ap[35] = i0_dp[86]; + assign i0_ap[34] = i0_dp[85]; + assign i0_ap[33] = i0_dp[84]; + assign i0_ap[32] = i0_dp[83]; + assign i0_ap[31] = i0_dp[82]; + assign i0_ap[30] = i0_dp[81]; + assign i0_ap[29] = i0_dp[80]; + assign i0_ap[28] = i0_dp[79]; + assign i0_ap[27] = i0_dp[78]; + assign i0_ap[26] = i0_dp[77]; + assign i0_ap[25] = i0_dp[76]; + assign i0_ap[24] = i0_dp[75]; + assign i0_ap[23] = i0_dp[74]; + assign i0_ap[1] = i0_csr_write_only_d; + assign i0_ap[0] = i0_dp[15]; + assign i0_ap[4] = i0_jal; + assign i0_ap_pc2 = ~dec_i0_pc4_d; + assign i0_ap_pc4 = dec_i0_pc4_d; + assign i0_ap[2] = i0_predict_nt; + assign i0_ap[3] = i0_predict_t; + always @(*) begin + found = 0; + cam_wen[NBLOAD_SIZE_MSB:0] = {(NBLOAD_SIZE_MSB >= 0 ? NBLOAD_SIZE_MSB + 1 : 1 - NBLOAD_SIZE_MSB) {1'sb0}}; + begin : sv2v_autoblock_37 + reg signed [31:0] i; + for (i = 0; i < NBLOAD_SIZE; i = i + 1) + if (~found) begin + if (~cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9]) begin + cam_wen[i] = cam_write; + found = 1'b1; + end + else + cam_wen[i] = 0; + end + else + cam_wen[i] = 0; + end + end + assign cam_write = lsu_nonblock_load_valid_m; + assign cam_write_tag[NBLOAD_TAG_MSB:0] = lsu_nonblock_load_tag_m[NBLOAD_TAG_MSB:0]; + assign cam_inv_reset = lsu_nonblock_load_inv_r; + assign cam_inv_reset_tag[NBLOAD_TAG_MSB:0] = lsu_nonblock_load_inv_tag_r[NBLOAD_TAG_MSB:0]; + assign cam_data_reset = lsu_nonblock_load_data_valid | lsu_nonblock_load_data_error; + assign cam_data_reset_tag[NBLOAD_TAG_MSB:0] = lsu_nonblock_load_data_tag[NBLOAD_TAG_MSB:0]; + assign nonblock_load_rd[4:0] = (x_d[3] ? x_d[8:4] : 5'b00000); + generate + genvar i; + for (i = 0; i < NBLOAD_SIZE; i = i + 1) begin : cam_array + assign cam_inv_reset_val[i] = (cam_inv_reset & (cam_inv_reset_tag[NBLOAD_TAG_MSB:0] == cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + ((5 + NBLOAD_TAG_MSB) >= 5 ? 5 + NBLOAD_TAG_MSB : ((5 + NBLOAD_TAG_MSB) + ((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))) - 1)-:((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))])) & cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9]; + assign cam_data_reset_val[i] = (cam_data_reset & (cam_data_reset_tag[NBLOAD_TAG_MSB:0] == cam_raw[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + ((5 + NBLOAD_TAG_MSB) >= 5 ? 5 + NBLOAD_TAG_MSB : ((5 + NBLOAD_TAG_MSB) + ((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))) - 1)-:((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))])) & cam_raw[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9]; + always @(*) begin + cam[(NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10+:10] = cam_raw[(NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10+:10]; + if (cam_data_reset_val[i]) + cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9] = 1'b0; + cam_in[(NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10+:10] = {10 {1'sb0}}; + if (cam_wen[i]) begin + cam_in[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9] = 1'b1; + cam_in[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 8] = 1'b0; + cam_in[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + ((5 + NBLOAD_TAG_MSB) >= 5 ? 5 + NBLOAD_TAG_MSB : ((5 + NBLOAD_TAG_MSB) + ((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))) - 1)-:((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))] = cam_write_tag[NBLOAD_TAG_MSB:0]; + cam_in[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 4-:5] = nonblock_load_rd[4:0]; + end + else if (cam_inv_reset_val[i] | ((i0_wen_r & (r_d_in[8:4] == cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 4-:5])) & cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 8])) + cam_in[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9] = 1'b0; + else + cam_in[(NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10+:10] = cam[(NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10+:10]; + if ((nonblock_load_valid_m_delay & (lsu_nonblock_load_inv_tag_r[NBLOAD_TAG_MSB:0] == cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + ((5 + NBLOAD_TAG_MSB) >= 5 ? 5 + NBLOAD_TAG_MSB : ((5 + NBLOAD_TAG_MSB) + ((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))) - 1)-:((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))])) & cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9]) + cam_in[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 8] = 1'b1; + if (dec_tlu_force_halt) + cam_in[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9] = 1'b0; + end + rvdffie #(.WIDTH(10)) cam_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(cam_in[(NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10+:10]), + .dout(cam_raw[(NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10+:10]) + ); + assign nonblock_load_write[i] = (load_data_tag[NBLOAD_TAG_MSB:0] == cam_raw[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + ((5 + NBLOAD_TAG_MSB) >= 5 ? 5 + NBLOAD_TAG_MSB : ((5 + NBLOAD_TAG_MSB) + ((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))) - 1)-:((5 + NBLOAD_TAG_MSB) >= 5 ? (5 + NBLOAD_TAG_MSB) - 4 : 6 - (5 + NBLOAD_TAG_MSB))]) & cam_raw[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9]; + end + endgenerate + assign load_data_tag[NBLOAD_TAG_MSB:0] = lsu_nonblock_load_data_tag[NBLOAD_TAG_MSB:0]; + assign nonblock_load_cancel = (r_d_in[8:4] == dec_nonblock_load_waddr[4:0]) & i0_wen_r; + assign dec_nonblock_load_wen = (lsu_nonblock_load_data_valid & |nonblock_load_write[NBLOAD_SIZE_MSB:0]) & ~nonblock_load_cancel; + always @(*) begin + dec_nonblock_load_waddr[4:0] = {5 {1'sb0}}; + i0_nonblock_load_stall = i0_nonblock_boundary_stall; + begin : sv2v_autoblock_38 + reg signed [31:0] i; + for (i = 0; i < NBLOAD_SIZE; i = i + 1) + begin + dec_nonblock_load_waddr[4:0] = dec_nonblock_load_waddr[4:0] | ({5 {nonblock_load_write[i]}} & cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 4-:5]); + i0_nonblock_load_stall = i0_nonblock_load_stall | ((dec_i0_rs1_en_d & cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9]) & (cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 4-:5] == i0r[14:10])); + i0_nonblock_load_stall = i0_nonblock_load_stall | ((dec_i0_rs2_en_d & cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 9]) & (cam[((NBLOAD_SIZE_MSB >= 0 ? i : NBLOAD_SIZE_MSB - i) * 10) + 4-:5] == i0r[9:5])); + end + end + end + assign i0_nonblock_boundary_stall = (((nonblock_load_rd[4:0] == i0r[14:10]) & lsu_nonblock_load_valid_m) & dec_i0_rs1_en_d) | (((nonblock_load_rd[4:0] == i0r[9:5]) & lsu_nonblock_load_valid_m) & dec_i0_rs2_en_d); + rvdffs #(.WIDTH(1)) wbnbloaddelayff( + .rst_l(rst_l), + .clk(active_clk), + .en(i0_r_ctl_en), + .din(lsu_nonblock_load_valid_m), + .dout(nonblock_load_valid_m_delay) + ); + assign i0_load_kill_wen_r = nonblock_load_valid_m_delay & r_d[3]; + assign csr_read = csr_ren_qual_d; + assign csr_write = dec_csr_wen_unq_d; + assign i0_br_unpred = i0_dp[23] & ~i0_predict_br; + localparam [3:0] eb1_pkg_ALU = 4'b0100; + localparam [3:0] eb1_pkg_BITMANIPU = 4'b1111; + localparam [3:0] eb1_pkg_CONDBR = 4'b1101; + localparam [3:0] eb1_pkg_CSRREAD = 4'b0101; + localparam [3:0] eb1_pkg_CSRRW = 4'b0111; + localparam [3:0] eb1_pkg_CSRWRITE = 4'b0110; + localparam [3:0] eb1_pkg_EBREAK = 4'b1000; + localparam [3:0] eb1_pkg_ECALL = 4'b1001; + localparam [3:0] eb1_pkg_FENCE = 4'b1010; + localparam [3:0] eb1_pkg_FENCEI = 4'b1011; + localparam [3:0] eb1_pkg_JAL = 4'b1110; + localparam [3:0] eb1_pkg_LOAD = 4'b0010; + localparam [3:0] eb1_pkg_MRET = 4'b1100; + localparam [3:0] eb1_pkg_MUL = 4'b0001; + localparam [3:0] eb1_pkg_NULL = 4'b0000; + localparam [3:0] eb1_pkg_STORE = 4'b0011; + always @(*) begin + i0_itype = eb1_pkg_NULL; + if (i0_legal_decode_d) begin + if (i0_dp[9]) + i0_itype = eb1_pkg_MUL; + if (i0_dp[41]) + i0_itype = eb1_pkg_LOAD; + if (i0_dp[40]) + i0_itype = eb1_pkg_STORE; + if (i0_dp[1]) + i0_itype = eb1_pkg_ALU; + if (((((((i0_dp[78] | i0_dp[73]) | i0_dp[70]) | i0_dp[66]) | i0_dp[63]) | i0_dp[56]) | i0_dp[54]) | i0_dp[50]) + i0_itype = eb1_pkg_BITMANIPU; + if (csr_read & ~csr_write) + i0_itype = eb1_pkg_CSRREAD; + if (~csr_read & csr_write) + i0_itype = eb1_pkg_CSRWRITE; + if (csr_read & csr_write) + i0_itype = eb1_pkg_CSRRW; + if (i0_dp[12]) + i0_itype = eb1_pkg_EBREAK; + if (i0_dp[11]) + i0_itype = eb1_pkg_ECALL; + if (i0_dp[3]) + i0_itype = eb1_pkg_FENCE; + if (i0_dp[2]) + i0_itype = eb1_pkg_FENCEI; + if (i0_dp[10]) + i0_itype = eb1_pkg_MRET; + if (i0_dp[28]) + i0_itype = eb1_pkg_CONDBR; + if (i0_dp[23]) + i0_itype = eb1_pkg_JAL; + end + end + eb1_dec_dec_ctl i0_dec( + .inst(i0[31:0]), + .out(i0_dp_raw) + ); + rvdff #(.WIDTH(1)) lsu_idle_ff( + .rst_l(rst_l), + .clk(active_clk), + .din(lsu_idle_any), + .dout(lsu_idle) + ); + assign leak1_i1_stall_in = dec_tlu_flush_leak_one_r | (leak1_i1_stall & ~dec_tlu_flush_lower_r); + assign leak1_mode = leak1_i1_stall; + assign leak1_i0_stall_in = (dec_i0_decode_d & leak1_i1_stall) | (leak1_i0_stall & ~dec_tlu_flush_lower_r); + assign i0_pcall_imm[20:1] = {i0[31], i0[19:12], i0[20], i0[30:21]}; + assign i0_pcall_12b_offset = (i0_pcall_imm[12] ? i0_pcall_imm[20:13] == 8'hff : i0_pcall_imm[20:13] == 8'h00); + assign i0_pcall_case = (i0_pcall_12b_offset & i0_dp_raw[43]) & ((i0r[4:0] == 5'd1) | (i0r[4:0] == 5'd5)); + assign i0_pja_case = (i0_pcall_12b_offset & i0_dp_raw[43]) & ~((i0r[4:0] == 5'd1) | (i0r[4:0] == 5'd5)); + assign i0_pcall_raw = i0_dp_raw[23] & i0_pcall_case; + assign i0_pcall = i0_dp[23] & i0_pcall_case; + assign i0_pja_raw = i0_dp_raw[23] & i0_pja_case; + assign i0_pja = i0_dp[23] & i0_pja_case; + assign i0_br_offset[11:0] = (i0_pcall_raw | i0_pja_raw ? i0_pcall_imm[12:1] : {i0[31], i0[7], i0[30:25], i0[11:8]}); + assign i0_pret_case = ((i0_dp_raw[23] & i0_dp_raw[46]) & (i0r[4:0] == 5'b00000)) & ((i0r[14:10] == 5'd1) | (i0r[14:10] == 5'd5)); + assign i0_pret_raw = i0_dp_raw[23] & i0_pret_case; + assign i0_pret = i0_dp[23] & i0_pret_case; + assign i0_jal = ((i0_dp[23] & ~i0_pcall_case) & ~i0_pja_case) & ~i0_pret_case; + assign dec_lsu_offset_d[11:0] = ({12 {(~dec_extint_stall & i0_dp[39]) & i0_dp[41]}} & i0[31:20]) | ({12 {(~dec_extint_stall & i0_dp[39]) & i0_dp[40]}} & {i0[31:25], i0[11:7]}); + assign div_p[2] = div_decode_d; + assign div_p[1] = i0_dp[29]; + assign div_p[0] = i0_dp[4]; + assign mul_p[19] = mul_decode_d; + assign mul_p[18] = i0_dp[8]; + assign mul_p[17] = i0_dp[7]; + assign mul_p[16] = i0_dp[6]; + assign mul_p[15] = i0_dp[72]; + assign mul_p[14] = i0_dp[71]; + assign mul_p[13] = i0_dp[69]; + assign mul_p[12] = i0_dp[68]; + assign mul_p[11] = i0_dp[67]; + assign mul_p[10] = i0_dp[80]; + assign mul_p[9] = i0_dp[79]; + assign mul_p[8] = i0_dp[65]; + assign mul_p[7] = i0_dp[64]; + assign mul_p[6] = i0_dp[62]; + assign mul_p[5] = i0_dp[61]; + assign mul_p[4] = i0_dp[60]; + assign mul_p[3] = i0_dp[59]; + assign mul_p[2] = i0_dp[58]; + assign mul_p[1] = i0_dp[57]; + assign mul_p[0] = i0_dp[55]; + always @(*) begin + lsu_p = {14 {1'sb0}}; + if (dec_extint_stall) begin + lsu_p[7] = 1'b1; + lsu_p[9] = 1'b1; + lsu_p[13] = 1'b1; + lsu_p[0] = 1'b1; + end + else begin + lsu_p[0] = lsu_decode_d; + lsu_p[7] = i0_dp[41]; + lsu_p[6] = i0_dp[40]; + lsu_p[11] = i0_dp[22]; + lsu_p[10] = i0_dp[21]; + lsu_p[9] = i0_dp[20]; + lsu_p[12] = i0r[14:10] == 5'd2; + lsu_p[2] = load_ldst_bypass_d; + lsu_p[3] = store_data_bypass_d; + lsu_p[1] = store_data_bypass_m; + lsu_p[5] = i0_dp[29]; + end + end + assign dec_lsu_valid_raw_d = (((i0_valid_d & (i0_dp_raw[41] | i0_dp_raw[40])) & ~dma_dccm_stall_any) & ~i0_block_raw_d) | dec_extint_stall; + assign i0r[14:10] = i0[19:15]; + assign i0r[9:5] = i0[24:20]; + assign i0r[4:0] = i0[11:7]; + assign dec_i0_rs1_en_d = i0_dp[48] & (i0r[14:10] != 5'd0); + assign dec_i0_rs2_en_d = i0_dp[47] & (i0r[9:5] != 5'd0); + assign i0_rd_en_d = i0_dp[45] & (i0r[4:0] != 5'd0); + assign dec_i0_rs1_d[4:0] = i0r[14:10]; + assign dec_i0_rs2_d[4:0] = i0r[9:5]; + assign i0_jalimm20 = i0_dp[23] & i0_dp[43]; + assign i0_uiimm20 = ~i0_dp[23] & i0_dp[43]; + assign dec_csr_ren_d = i0_dp[19] & i0_valid_d; + assign csr_ren_qual_d = i0_dp[19] & i0_legal_decode_d; + assign csr_clr_d = i0_dp[18] & i0_legal_decode_d; + assign csr_set_d = i0_dp[17] & i0_legal_decode_d; + assign csr_write_d = i0_csr_write & i0_legal_decode_d; + assign i0_csr_write_only_d = i0_csr_write & ~i0_dp[19]; + assign dec_csr_wen_unq_d = ((i0_dp[18] | i0_dp[17]) | i0_csr_write) & i0_valid_d; + assign dec_csr_any_unq_d = any_csr_d & i0_valid_d; + assign dec_csr_rdaddr_d[11:0] = {12 {dec_csr_any_unq_d}} & i0[31:20]; + assign dec_csr_wraddr_r[11:0] = {12 {r_d[22] & r_d[0]}} & r_d[20:9]; + assign dec_csr_wen_r = (r_d[22] & r_d[0]) & ~dec_tlu_i0_kill_writeb_r; + assign dec_csr_stall_int_ff = ((((r_d[20:9] == 12'h300) | (r_d[20:9] == 12'h304)) & r_d[22]) & r_d[0]) & ~dec_tlu_i0_kill_writeb_wb; + rvdff #(.WIDTH(5)) csrmiscff( + .rst_l(rst_l), + .clk(active_clk), + .din({csr_ren_qual_d, csr_clr_d, csr_set_d, csr_write_d, i0_dp[15]}), + .dout({csr_read_x, csr_clr_x, csr_set_x, csr_write_x, csr_imm_x}) + ); + rvdffe #(.WIDTH(37)) csr_rddata_x_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_x_data_en & any_csr_d), + .din({i0[19:15], dec_csr_rddata_d[31:0]}), + .dout({csrimm_x[4:0], csr_rddata_x[31:0]}) + ); + assign csr_mask_x[31:0] = ({32 {csr_imm_x}} & {27'b000000000000000000000000000, csrimm_x[4:0]}) | ({32 {~csr_imm_x}} & exu_csr_rs1_x[31:0]); + assign write_csr_data_x[31:0] = (({32 {csr_clr_x}} & (csr_rddata_x[31:0] & ~csr_mask_x[31:0])) | ({32 {csr_set_x}} & (csr_rddata_x[31:0] | csr_mask_x[31:0]))) | ({32 {csr_write_x}} & csr_mask_x[31:0]); + assign clear_pause = (dec_tlu_flush_lower_r & ~dec_tlu_flush_pause_r) | (pause_state & (write_csr_data[31:1] == 31'b0000000000000000000000000000000)); + assign pause_state_in = (dec_tlu_wr_pause_r | pause_state) & ~clear_pause; + assign dec_pause_state = pause_state; + assign dec_pause_state_cg = (pause_state & ~tlu_wr_pause_r1) & ~tlu_wr_pause_r2; + assign csr_data_wen = ((((csr_clr_x | csr_set_x) | csr_write_x) & csr_read_x) | dec_tlu_wr_pause_r) | pause_state; + assign write_csr_data_in[31:0] = (pause_state ? write_csr_data[31:0] - 32'b00000000000000000000000000000001 : (dec_tlu_wr_pause_r ? dec_csr_wrdata_r[31:0] : write_csr_data_x[31:0])); + rvdffe #(.WIDTH(32)) write_csr_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(csr_data_wen), + .din(write_csr_data_in[31:0]), + .dout(write_csr_data[31:0]) + ); + assign pause_stall = pause_state; + assign dec_csr_wrdata_r[31:0] = (r_d[21] & r_d[0] ? i0_result_corr_r[31:0] : write_csr_data[31:0]); + assign dec_i0_immed_d[31:0] = i0_immed_d[31:0]; + assign i0_immed_d[31:0] = (((({32 {i0_dp[46]}} & {{20 {i0[31]}}, i0[31:20]}) | ({32 {i0_dp[44]}} & {27'b000000000000000000000000000, i0[24:20]})) | ({32 {i0_jalimm20}} & {{12 {i0[31]}}, i0[19:12], i0[20], i0[30:21], 1'b0})) | ({32 {i0_uiimm20}} & {i0[31:12], 12'b000000000000})) | ({32 {i0_csr_write_only_d & i0_dp[15]}} & {27'b000000000000000000000000000, i0[19:15]}); + assign dec_i0_br_immed_d[12:1] = (i0_ap[2] & ~i0_dp[23] ? i0_br_offset[11:0] : {10'b0000000000, i0_ap_pc4, i0_ap_pc2}); + assign last_br_immed_d[12:1] = (i0_ap[2] ? {10'b0000000000, i0_ap_pc4, i0_ap_pc2} : i0_br_offset[11:0]); + assign i0_valid_d = dec_ib0_valid_d; + assign i0_load_stall_d = i0_dp[41] & (lsu_load_stall_any | dma_dccm_stall_any); + assign i0_store_stall_d = i0_dp[40] & (lsu_store_stall_any | dma_dccm_stall_any); + assign i0_presync = (((i0_dp[14] | dec_tlu_presync_d) | debug_fence_i) | debug_fence_raw) | dec_tlu_pipelining_disable; + assign i0_postsync = ((i0_dp[13] | dec_tlu_postsync_d) | debug_fence_i) | (i0_csr_write_only_d & (i0[31:20] == 12'h7c2)); + assign debug_fence_i = dec_debug_fence_d & dbg_cmd_wrdata[0]; + assign debug_fence_raw = dec_debug_fence_d & dbg_cmd_wrdata[1]; + assign debug_fence = debug_fence_raw | debug_fence_i; + assign i0_csr_write = i0_dp[16] & ~dec_debug_fence_d; + assign presync_stall = i0_presync & prior_inflight_eff; + assign prior_inflight_eff = (i0_dp[5] ? prior_inflight_x : prior_inflight); + assign i0_div_prior_div_stall = i0_dp[5] & div_active; + assign i0_block_raw_d = (((((((((((i0_dp[19] & prior_csr_write) | dec_extint_stall) | pause_stall) | leak1_i0_stall) | dec_tlu_debug_stall) | postsync_stall) | presync_stall) | ((i0_dp[3] | debug_fence) & ~lsu_idle)) | i0_nonblock_load_stall) | i0_load_block_d) | i0_nonblock_div_stall) | i0_div_prior_div_stall; + assign i0_block_d = (i0_block_raw_d | i0_store_stall_d) | i0_load_stall_d; + assign i0_exublock_d = i0_block_raw_d; + assign prior_csr_write = (x_d[21] | r_d[21]) | wbd[21]; + generate + if (pt[2207-:5] == 1) begin + assign bitmanip_zbb_legal = 1'b1; + end + else assign bitmanip_zbb_legal = ~(i0_dp[78] & ~i0_dp[63]); + endgenerate + generate + if (pt[2177-:5] == 1) begin + assign bitmanip_zbs_legal = 1'b1; + end + else assign bitmanip_zbs_legal = ~i0_dp[73]; + endgenerate + generate + if (pt[2197-:5] == 1) begin + assign bitmanip_zbe_legal = 1'b1; + end + else assign bitmanip_zbe_legal = ~i0_dp[70]; + endgenerate + generate + if (pt[2202-:5] == 1) begin + assign bitmanip_zbc_legal = 1'b1; + end + else assign bitmanip_zbc_legal = ~i0_dp[66]; + endgenerate + generate + if (pt[2187-:5] == 1) begin + assign bitmanip_zbp_legal = 1'b1; + end + else assign bitmanip_zbp_legal = ~(i0_dp[63] & ~i0_dp[78]); + endgenerate + generate + if (pt[2182-:5] == 1) begin + assign bitmanip_zbr_legal = 1'b1; + end + else assign bitmanip_zbr_legal = ~i0_dp[56]; + endgenerate + generate + if (pt[2192-:5] == 1) begin + assign bitmanip_zbf_legal = 1'b1; + end + else assign bitmanip_zbf_legal = ~i0_dp[54]; + endgenerate + generate + if (pt[2212-:5] == 1) begin + assign bitmanip_zba_legal = 1'b1; + end + else assign bitmanip_zba_legal = ~i0_dp[50]; + endgenerate + generate + if ((pt[2207-:5] == 1) | (pt[2187-:5] == 1)) begin + assign bitmanip_zbb_zbp_legal = 1'b1; + end + else assign bitmanip_zbb_zbp_legal = ~(i0_dp[78] & i0_dp[63]); + endgenerate + assign any_csr_d = i0_dp[19] | i0_csr_write; + assign bitmanip_legal = (((((((bitmanip_zbb_legal & bitmanip_zbs_legal) & bitmanip_zbe_legal) & bitmanip_zbc_legal) & bitmanip_zbp_legal) & bitmanip_zbr_legal) & bitmanip_zbf_legal) & bitmanip_zba_legal) & bitmanip_zbb_zbp_legal; + assign i0_legal = (i0_dp[0] & (~any_csr_d | dec_csr_legal_d)) & bitmanip_legal; + assign shift_illegal = dec_i0_decode_d & ~i0_legal; + assign illegal_inst_en = shift_illegal & ~illegal_lockout; + rvdffe #(.WIDTH(32)) illegal_any_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(illegal_inst_en), + .din(i0_inst_d[31:0]), + .dout(dec_illegal_inst[31:0]) + ); + assign illegal_lockout_in = (shift_illegal | illegal_lockout) & ~flush_final_r; + assign dec_i0_decode_d = ((i0_valid_d & ~i0_block_d) & ~dec_tlu_flush_lower_r) & ~flush_final_r; + assign i0_exudecode_d = ((i0_valid_d & ~i0_exublock_d) & ~dec_tlu_flush_lower_r) & ~flush_final_r; + assign i0_legal_decode_d = dec_i0_decode_d & i0_legal; + assign i0_exulegal_decode_d = i0_exudecode_d & i0_legal; + assign dec_pmu_instr_decoded = dec_i0_decode_d; + assign dec_pmu_decode_stall = i0_valid_d & ~dec_i0_decode_d; + assign dec_pmu_postsync_stall = postsync_stall & i0_valid_d; + assign dec_pmu_presync_stall = presync_stall & i0_valid_d; + assign ps_stall_in = (dec_i0_decode_d & (i0_postsync | ~i0_legal)) | (ps_stall & prior_inflight_x); + assign postsync_stall = ps_stall; + assign prior_inflight_x = x_d[0]; + assign prior_inflight_wb = r_d[0]; + assign prior_inflight = prior_inflight_x | prior_inflight_wb; + assign dec_i0_alu_decode_d = i0_exulegal_decode_d & i0_dp[49]; + assign dec_i0_branch_d = (i0_dp[28] | i0_dp[23]) | i0_br_error_all; + assign lsu_decode_d = i0_legal_decode_d & i0_dp[39]; + assign mul_decode_d = i0_exulegal_decode_d & i0_dp[9]; + assign div_decode_d = i0_exulegal_decode_d & i0_dp[5]; + assign dec_qual_lsu_d = i0_dp[39]; + assign i0_rs1_depend_i0_x = (dec_i0_rs1_en_d & x_d[1]) & (x_d[8:4] == i0r[14:10]); + assign i0_rs1_depend_i0_r = (dec_i0_rs1_en_d & r_d[1]) & (r_d[8:4] == i0r[14:10]); + assign i0_rs2_depend_i0_x = (dec_i0_rs2_en_d & x_d[1]) & (x_d[8:4] == i0r[9:5]); + assign i0_rs2_depend_i0_r = (dec_i0_rs2_en_d & r_d[1]) & (r_d[8:4] == i0r[9:5]); + assign {i0_rs1_class_d, i0_rs1_depth_d[1:0]} = (i0_rs1_depend_i0_x ? {i0_x_c, 2'd1} : (i0_rs1_depend_i0_r ? {i0_r_c, 2'd2} : {5 {1'sb0}})); + assign {i0_rs2_class_d, i0_rs2_depth_d[1:0]} = (i0_rs2_depend_i0_x ? {i0_x_c, 2'd1} : (i0_rs2_depend_i0_r ? {i0_r_c, 2'd2} : {5 {1'sb0}})); + generate + if (pt[202-:5] == 1) begin : genblock + assign i0_load_block_d = (i0_rs1_class_d[1] & i0_rs1_depth_d[0]) | ((i0_rs2_class_d[1] & i0_rs2_depth_d[0]) & ~i0_dp[40]); + assign load_ldst_bypass_d = ((i0_dp[41] | i0_dp[40]) & i0_rs1_depth_d[1]) & i0_rs1_class_d[1]; + assign store_data_bypass_d = (i0_dp[40] & i0_rs2_depth_d[1]) & i0_rs2_class_d[1]; + assign store_data_bypass_m = (i0_dp[40] & i0_rs2_depth_d[0]) & i0_rs2_class_d[1]; + end + else begin : genblock + assign i0_load_block_d = 1'b0; + assign load_ldst_bypass_d = ((i0_dp[41] | i0_dp[40]) & i0_rs1_depth_d[0]) & i0_rs1_class_d[1]; + assign store_data_bypass_d = (i0_dp[40] & i0_rs2_depth_d[0]) & i0_rs2_class_d[1]; + assign store_data_bypass_m = 1'b0; + end + endgenerate + assign dec_tlu_i0_valid_r = r_d[0] & ~dec_tlu_flush_lower_wb; + assign d_t[5] = i0_legal_decode_d; + assign d_t[16] = i0_icaf_d & i0_legal_decode_d; + assign d_t[15] = dec_i0_icaf_second_d & i0_legal_decode_d; + assign d_t[14:13] = dec_i0_icaf_type_d[1:0]; + assign d_t[12] = (i0_dp[2] | debug_fence_i) & i0_legal_decode_d; + assign d_t[3-:4] = i0_itype; + assign d_t[7] = i0_br_unpred; + assign d_t[6] = 1'b0; + assign d_t[4] = 1'b0; + assign d_t[11:8] = dec_i0_trigger_match_d[3:0] & {4 {dec_i0_decode_d}}; + rvdfflie #( + .WIDTH(17), + .LEFT(9) + ) trap_xff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_x_ctl_en), + .din(d_t), + .dout(x_t) + ); + always @(*) begin + x_t_in = x_t; + x_t_in[11:8] = x_t[11-:4] & ~{4 {dec_tlu_flush_lower_wb}}; + end + rvdfflie #( + .WIDTH(17), + .LEFT(9) + ) trap_r_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_x_ctl_en), + .din(x_t_in), + .dout(r_t) + ); + always @(*) begin + r_t_in = r_t; + r_t_in[11:8] = ({4 {r_d[3] | r_d[2]}} & lsu_trigger_match_r[3:0]) | r_t[11:8]; + r_t_in[4] = lsu_pmu_misaligned_r; + if (dec_tlu_flush_lower_wb) + r_t_in = {17 {1'sb0}}; + end + always @(*) begin + dec_tlu_packet_r = r_t_in; + dec_tlu_packet_r[6] = r_d[23] & r_d[0]; + end + assign i0_d_c[2] = i0_dp[9] & i0_legal_decode_d; + assign i0_d_c[1] = i0_dp[41] & i0_legal_decode_d; + assign i0_d_c[0] = i0_dp[49] & i0_legal_decode_d; + rvdffs #(.WIDTH(3)) i0_x_c_ff( + .rst_l(rst_l), + .en(i0_x_ctl_en), + .clk(active_clk), + .din(i0_d_c), + .dout(i0_x_c) + ); + rvdffs #(.WIDTH(3)) i0_r_c_ff( + .rst_l(rst_l), + .en(i0_r_ctl_en), + .clk(active_clk), + .din(i0_x_c), + .dout(i0_r_c) + ); + assign d_d[8:4] = i0r[4:0]; + assign d_d[1] = i0_rd_en_d & i0_legal_decode_d; + assign d_d[0] = dec_i0_decode_d; + assign d_d[3] = i0_dp[41] & i0_legal_decode_d; + assign d_d[2] = i0_dp[40] & i0_legal_decode_d; + assign d_d[23] = i0_dp[5] & i0_legal_decode_d; + assign d_d[22] = dec_csr_wen_unq_d & i0_legal_decode_d; + assign d_d[21] = i0_csr_write_only_d & dec_i0_decode_d; + assign d_d[20:9] = (d_d[22] ? i0[31:20] : {12 {1'sb0}}); + rvdff #(.WIDTH(3)) i0cgff( + .rst_l(rst_l), + .clk(active_clk), + .din(i0_pipe_en[3:1]), + .dout(i0_pipe_en[2:0]) + ); + assign i0_pipe_en[3] = dec_i0_decode_d; + assign i0_x_ctl_en = |i0_pipe_en[3:2] | clk_override; + assign i0_r_ctl_en = |i0_pipe_en[2:1] | clk_override; + assign i0_wb_ctl_en = |i0_pipe_en[1:0] | clk_override; + assign i0_x_data_en = i0_pipe_en[3] | clk_override; + assign i0_r_data_en = i0_pipe_en[2] | clk_override; + assign i0_wb_data_en = i0_pipe_en[1] | clk_override; + assign dec_data_en[1:0] = {i0_x_data_en, i0_r_data_en}; + assign dec_ctl_en[1:0] = {i0_x_ctl_en, i0_r_ctl_en}; + rvdfflie #( + .WIDTH(24), + .LEFT(15) + ) e1ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_x_ctl_en), + .din(d_d), + .dout(x_d) + ); + always @(*) begin + x_d_in = x_d; + x_d_in[1] = (x_d[1] & ~dec_tlu_flush_lower_wb) & ~dec_tlu_flush_lower_r; + x_d_in[0] = (x_d[0] & ~dec_tlu_flush_lower_wb) & ~dec_tlu_flush_lower_r; + end + rvdfflie #( + .WIDTH(24), + .LEFT(15) + ) r_d_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_r_ctl_en), + .din(x_d_in), + .dout(r_d) + ); + always @(*) begin + r_d_in = r_d; + r_d_in[8:4] = r_d[8:4]; + r_d_in[1] = r_d[1] & ~dec_tlu_flush_lower_wb; + r_d_in[0] = r_d[0] & ~dec_tlu_flush_lower_wb; + r_d_in[3] = r_d[3] & ~dec_tlu_flush_lower_wb; + r_d_in[2] = r_d[2] & ~dec_tlu_flush_lower_wb; + end + rvdfflie #( + .WIDTH(24), + .LEFT(15) + ) wbff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_wb_ctl_en), + .din(r_d_in), + .dout(wbd) + ); + assign dec_i0_waddr_r[4:0] = r_d_in[8:4]; + assign i0_wen_r = r_d_in[1] & ~dec_tlu_i0_kill_writeb_r; + assign dec_i0_wen_r = (i0_wen_r & ~r_d_in[23]) & ~i0_load_kill_wen_r; + assign dec_i0_wdata_r[31:0] = i0_result_corr_r[31:0]; + assign div_e1_to_r = (x_d[23] & x_d[0]) | (r_d[23] & r_d[0]); + assign div_active_in = i0_div_decode_d | ((div_active & ~exu_div_wren) & ~nonblock_div_cancel); + assign dec_div_active = div_active; + assign i0_nonblock_div_stall = ((dec_i0_rs1_en_d & div_active) & (div_waddr_wb[4:0] == i0r[14:10])) | ((dec_i0_rs2_en_d & div_active) & (div_waddr_wb[4:0] == i0r[9:5])); + assign div_flush = (((x_d[23] & x_d[0]) & (x_d[8:4] == 5'b00000)) | ((x_d[23] & x_d[0]) & dec_tlu_flush_lower_r)) | (((r_d[23] & r_d[0]) & dec_tlu_flush_lower_r) & dec_tlu_i0_kill_writeb_r); + assign nonblock_div_cancel = (div_active & div_flush) | (((div_active & ~div_e1_to_r) & (r_d[8:4] == div_waddr_wb[4:0])) & i0_wen_r); + assign dec_div_cancel = nonblock_div_cancel; + assign i0_div_decode_d = i0_legal_decode_d & i0_dp[5]; + generate + if (pt[202-:5] == 1) begin : genblock1 + assign i0_result_x[31:0] = exu_i0_result_x[31:0]; + assign i0_result_r[31:0] = (r_d[1] & r_d[3] ? lsu_result_m[31:0] : i0_result_r_raw[31:0]); + end + else begin : genblock1 + assign i0_result_x[31:0] = (x_d[1] & x_d[3] ? lsu_result_m[31:0] : exu_i0_result_x[31:0]); + assign i0_result_r[31:0] = i0_result_r_raw[31:0]; + end + endgenerate + rvdffe #(.WIDTH(32)) i0_result_r_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_r_data_en & ((x_d[1] | x_d[22]) | debug_valid_x)), + .din(i0_result_x[31:0]), + .dout(i0_result_r_raw[31:0]) + ); + assign i0_result_corr_r[31:0] = (r_d[1] & r_d[3] ? lsu_result_corr_r[31:0] : i0_result_r_raw[31:0]); + rvdffe #(.WIDTH(12)) e1brpcff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_x_data_en), + .din(last_br_immed_d[12:1]), + .dout(last_br_immed_x[12:1]) + ); + assign i0_wb_en = i0_wb_data_en; + assign i0_inst_wb_in[31:0] = i0_inst_r[31:0]; + assign i0_inst_d[31:0] = (dec_i0_pc4_d ? i0[31:0] : {16'b0000000000000000, ifu_i0_cinst[15:0]}); + assign trace_enable = ~dec_tlu_trace_disable; + rvdffe #( + .WIDTH(5), + .OVERRIDE(1) + ) i0rdff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_div_decode_d), + .din(i0r[4:0]), + .dout(div_waddr_wb[4:0]) + ); + rvdffe #(.WIDTH(32)) i0xinstff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_x_data_en & trace_enable), + .din(i0_inst_d[31:0]), + .dout(i0_inst_x[31:0]) + ); + rvdffe #(.WIDTH(32)) i0cinstff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_r_data_en & trace_enable), + .din(i0_inst_x[31:0]), + .dout(i0_inst_r[31:0]) + ); + rvdffe #(.WIDTH(32)) i0wbinstff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_wb_en & trace_enable), + .din(i0_inst_wb_in[31:0]), + .dout(i0_inst_wb[31:0]) + ); + rvdffe #(.WIDTH(31)) i0wbpcff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_wb_en & trace_enable), + .din(dec_tlu_i0_pc_r[31:1]), + .dout(i0_pc_wb[31:1]) + ); + assign dec_i0_inst_wb[31:0] = i0_inst_wb[31:0]; + assign dec_i0_pc_wb[31:1] = i0_pc_wb[31:1]; + rvdffpcie #(.WIDTH(31)) i0_pc_r_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(i0_r_data_en), + .din(exu_i0_pc_x[31:1]), + .dout(dec_i0_pc_r[31:1]) + ); + assign dec_tlu_i0_pc_r[31:1] = dec_i0_pc_r[31:1]; + rvbradder ibradder_correct( + .pc(exu_i0_pc_x[31:1]), + .offset(last_br_immed_x[12:1]), + .dout(pred_correct_npc_x[31:1]) + ); + assign i0_rs1_nonblock_load_bypass_en_d = (dec_i0_rs1_en_d & dec_nonblock_load_wen) & (dec_nonblock_load_waddr[4:0] == i0r[14:10]); + assign i0_rs2_nonblock_load_bypass_en_d = (dec_i0_rs2_en_d & dec_nonblock_load_wen) & (dec_nonblock_load_waddr[4:0] == i0r[9:5]); + assign i0_rs1bypass[2] = i0_rs1_depth_d[0] & (i0_rs1_class_d[0] | i0_rs1_class_d[2]); + assign i0_rs1bypass[1] = i0_rs1_depth_d[0] & i0_rs1_class_d[1]; + assign i0_rs1bypass[0] = i0_rs1_depth_d[1] & ((i0_rs1_class_d[0] | i0_rs1_class_d[2]) | i0_rs1_class_d[1]); + assign i0_rs2bypass[2] = i0_rs2_depth_d[0] & (i0_rs2_class_d[0] | i0_rs2_class_d[2]); + assign i0_rs2bypass[1] = i0_rs2_depth_d[0] & i0_rs2_class_d[1]; + assign i0_rs2bypass[0] = i0_rs2_depth_d[1] & ((i0_rs2_class_d[0] | i0_rs2_class_d[2]) | i0_rs2_class_d[1]); + assign dec_i0_rs1_bypass_en_d[3] = ((i0_rs1_nonblock_load_bypass_en_d & ~i0_rs1bypass[0]) & ~i0_rs1bypass[1]) & ~i0_rs1bypass[2]; + assign dec_i0_rs1_bypass_en_d[2] = i0_rs1bypass[2]; + assign dec_i0_rs1_bypass_en_d[1] = i0_rs1bypass[1]; + assign dec_i0_rs1_bypass_en_d[0] = i0_rs1bypass[0]; + assign dec_i0_rs2_bypass_en_d[3] = ((i0_rs2_nonblock_load_bypass_en_d & ~i0_rs2bypass[0]) & ~i0_rs2bypass[1]) & ~i0_rs2bypass[2]; + assign dec_i0_rs2_bypass_en_d[2] = i0_rs2bypass[2]; + assign dec_i0_rs2_bypass_en_d[1] = i0_rs2bypass[1]; + assign dec_i0_rs2_bypass_en_d[0] = i0_rs2bypass[0]; + assign dec_i0_result_r[31:0] = i0_result_r[31:0]; +endmodule +module eb1_dec_dec_ctl ( + inst, + out +); + input wire [31:0] inst; + output wire [94:0] out; + wire [31:0] i; + assign i[31:0] = inst[31:0]; + assign out[49] = (((((((((((((((((((((((i[30] & i[24]) & i[23]) & !i[22]) & !i[21]) & !i[20]) & i[14]) & !i[5]) & i[4]) | (((i[29] & !i[27]) & !i[24]) & i[4])) | (((!i[25] & !i[13]) & !i[12]) & i[4])) | (((!i[30] & !i[25]) & i[13]) & i[12])) | (((i[27] & i[25]) & i[14]) & i[4])) | (((i[29] & i[27]) & !i[14]) & i[4])) | (((i[29] & !i[14]) & i[5]) & i[4])) | (((!i[27] & !i[25]) & i[14]) & i[4])) | (((i[30] & !i[29]) & !i[13]) & i[4])) | (((!i[30] & !i[27]) & !i[25]) & i[4])) | ((i[13] & !i[5]) & i[4])) | ((!i[12] & !i[5]) & i[4])) | i[2]) | i[6]) | (((((((i[30] & i[24]) & i[23]) & i[22]) & i[21]) & i[20]) & !i[5]) & i[4])) | ((((((((!i[30] & i[29]) & !i[24]) & !i[23]) & i[22]) & i[21]) & i[20]) & !i[5]) & i[4])) | (((((((!i[30] & i[24]) & !i[23]) & !i[22]) & !i[21]) & !i[20]) & !i[5]) & i[4]); + assign out[48] = (((((((((((((!i[14] & !i[13]) & !i[2]) | ((!i[13] & i[11]) & !i[2])) | ((i[19] & i[13]) & !i[2])) | ((!i[13] & i[10]) & !i[2])) | ((i[18] & i[13]) & !i[2])) | ((!i[13] & i[9]) & !i[2])) | ((i[17] & i[13]) & !i[2])) | ((!i[13] & i[8]) & !i[2])) | ((i[16] & i[13]) & !i[2])) | ((!i[13] & i[7]) & !i[2])) | ((i[15] & i[13]) & !i[2])) | (!i[4] & !i[3])) | (!i[6] & !i[2]); + assign out[47] = ((i[5] & !i[4]) & !i[2]) | ((!i[6] & i[5]) & !i[2]); + assign out[46] = ((((!i[4] & !i[3]) & i[2]) | (((i[13] & !i[5]) & i[4]) & !i[2])) | (((!i[13] & !i[12]) & i[6]) & i[4])) | (((!i[12] & !i[5]) & i[4]) & !i[2]); + assign out[45] = ((!i[5] & !i[2]) | (i[5] & i[2])) | i[4]; + assign out[44] = ((((((i[27] & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]) | (((((!i[30] & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((i[14] & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]); + assign out[43] = (i[5] & i[3]) | (i[4] & i[2]); + assign out[42] = ((!i[5] & !i[3]) & i[2]) | (i[5] & i[3]); + assign out[41] = (!i[5] & !i[4]) & !i[2]; + assign out[40] = (!i[6] & i[5]) & !i[4]; + assign out[39] = (!i[6] & !i[4]) & !i[2]; + assign out[38] = (((((!i[14] & !i[13]) & !i[12]) & !i[5]) & i[4]) | ((!i[5] & !i[3]) & i[2])) | (((((((!i[30] & !i[25]) & !i[14]) & !i[13]) & !i[12]) & !i[6]) & i[4]) & !i[2]); + assign out[37] = (((((((((i[30] & !i[14]) & !i[12]) & !i[6]) & i[5]) & i[4]) & !i[2]) | ((((((!i[29] & !i[25]) & !i[14]) & i[13]) & !i[6]) & i[4]) & !i[2])) | (((((i[27] & i[25]) & i[14]) & !i[6]) & i[5]) & !i[2])) | ((((!i[14] & i[13]) & !i[5]) & i[4]) & !i[2])) | ((i[6] & !i[4]) & !i[2]); + assign out[36] = ((((((!i[27] & !i[25]) & i[14]) & i[13]) & i[12]) & !i[6]) & !i[2]) | ((((i[14] & i[13]) & i[12]) & !i[5]) & !i[2]); + assign out[35] = ((((!i[6] & i[3]) | (((((((!i[29] & !i[27]) & !i[25]) & i[14]) & i[13]) & !i[12]) & !i[6]) & !i[2])) | ((i[5] & i[4]) & i[2])) | (((!i[13] & !i[12]) & i[6]) & i[4])) | ((((i[14] & i[13]) & !i[12]) & !i[5]) & !i[2]); + assign out[34] = (((((((!i[29] & !i[27]) & !i[25]) & i[14]) & !i[13]) & !i[12]) & i[4]) & !i[2]) | (((((i[14] & !i[13]) & !i[12]) & !i[5]) & i[4]) & !i[2]); + assign out[33] = (((((((!i[29] & !i[27]) & !i[25]) & !i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[32] = ((((((i[30] & !i[29]) & !i[27]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[31] = ((((((((!i[30] & !i[29]) & !i[27]) & !i[25]) & i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[30] = ((((((!i[29] & !i[25]) & !i[14]) & i[13]) & !i[6]) & i[4]) & !i[2]) | ((((!i[14] & i[13]) & !i[5]) & i[4]) & !i[2]); + assign out[29] = ((((((((((!i[27] & i[25]) & i[14]) & i[12]) & !i[6]) & i[5]) & !i[2]) | ((((!i[14] & i[13]) & i[12]) & !i[5]) & !i[2])) | (((i[13] & i[6]) & !i[4]) & !i[2])) | ((i[14] & !i[5]) & !i[4])) | (((((!i[25] & !i[14]) & i[13]) & i[12]) & !i[6]) & !i[2])) | ((((((i[27] & i[25]) & i[14]) & i[13]) & !i[6]) & i[5]) & !i[2]); + assign out[28] = (i[6] & !i[4]) & !i[2]; + assign out[27] = (((!i[14] & !i[12]) & i[6]) & !i[4]) & !i[2]; + assign out[26] = (((!i[14] & i[12]) & i[6]) & !i[4]) & !i[2]; + assign out[25] = (((i[14] & i[12]) & i[5]) & !i[4]) & !i[2]; + assign out[24] = (((i[14] & !i[12]) & i[5]) & !i[4]) & !i[2]; + assign out[23] = i[6] & i[2]; + assign out[22] = (((!i[13] & !i[12]) & !i[6]) & !i[4]) & !i[2]; + assign out[21] = ((i[12] & !i[6]) & !i[4]) & !i[2]; + assign out[20] = (i[13] & !i[6]) & !i[4]; + assign out[19] = ((((((i[13] & i[6]) & i[4]) | ((i[7] & i[6]) & i[4])) | ((i[8] & i[6]) & i[4])) | ((i[9] & i[6]) & i[4])) | ((i[10] & i[6]) & i[4])) | ((i[11] & i[6]) & i[4]); + assign out[18] = (((((((i[15] & i[13]) & i[12]) & i[6]) & i[4]) | ((((i[16] & i[13]) & i[12]) & i[6]) & i[4])) | ((((i[17] & i[13]) & i[12]) & i[6]) & i[4])) | ((((i[18] & i[13]) & i[12]) & i[6]) & i[4])) | ((((i[19] & i[13]) & i[12]) & i[6]) & i[4]); + assign out[17] = ((((((i[15] & !i[12]) & i[6]) & i[4]) | (((i[16] & !i[12]) & i[6]) & i[4])) | (((i[17] & !i[12]) & i[6]) & i[4])) | (((i[18] & !i[12]) & i[6]) & i[4])) | (((i[19] & !i[12]) & i[6]) & i[4]); + assign out[16] = ((!i[13] & i[12]) & i[6]) & i[4]; + assign out[15] = (((((((i[14] & !i[13]) & i[6]) & i[4]) | (((i[15] & i[14]) & i[6]) & i[4])) | (((i[16] & i[14]) & i[6]) & i[4])) | (((i[17] & i[14]) & i[6]) & i[4])) | (((i[18] & i[14]) & i[6]) & i[4])) | (((i[19] & i[14]) & i[6]) & i[4]); + assign out[14] = ((((((((((!i[5] & i[3]) | (((!i[13] & i[7]) & i[6]) & i[4])) | (((!i[13] & i[8]) & i[6]) & i[4])) | (((!i[13] & i[9]) & i[6]) & i[4])) | (((!i[13] & i[10]) & i[6]) & i[4])) | (((!i[13] & i[11]) & i[6]) & i[4])) | (((i[15] & i[13]) & i[6]) & i[4])) | (((i[16] & i[13]) & i[6]) & i[4])) | (((i[17] & i[13]) & i[6]) & i[4])) | (((i[18] & i[13]) & i[6]) & i[4])) | (((i[19] & i[13]) & i[6]) & i[4]); + assign out[13] = ((((((((((((i[12] & !i[5]) & i[3]) | ((((!i[22] & !i[13]) & !i[12]) & i[6]) & i[4])) | (((!i[13] & i[7]) & i[6]) & i[4])) | (((!i[13] & i[8]) & i[6]) & i[4])) | (((!i[13] & i[9]) & i[6]) & i[4])) | (((!i[13] & i[10]) & i[6]) & i[4])) | (((!i[13] & i[11]) & i[6]) & i[4])) | (((i[15] & i[13]) & i[6]) & i[4])) | (((i[16] & i[13]) & i[6]) & i[4])) | (((i[17] & i[13]) & i[6]) & i[4])) | (((i[18] & i[13]) & i[6]) & i[4])) | (((i[19] & i[13]) & i[6]) & i[4]); + assign out[12] = ((((!i[22] & i[20]) & !i[13]) & !i[12]) & i[6]) & i[4]; + assign out[11] = ((((!i[21] & !i[20]) & !i[13]) & !i[12]) & i[6]) & i[4]; + assign out[10] = (((i[29] & !i[13]) & !i[12]) & i[6]) & i[4]; + assign out[9] = (((((((((((((((((((((!i[30] & i[27]) & i[24]) & i[20]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]) | (((((((((i[29] & i[27]) & !i[24]) & i[23]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((((((i[29] & i[27]) & !i[24]) & !i[20]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((((i[27] & !i[25]) & i[13]) & !i[12]) & !i[6]) & i[5]) & i[4]) & !i[2])) | ((((((i[30] & i[27]) & i[13]) & !i[6]) & i[5]) & i[4]) & !i[2])) | (((((((((i[29] & i[27]) & i[22]) & !i[20]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((((((i[29] & i[27]) & !i[21]) & i[20]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((((((i[29] & i[27]) & !i[22]) & i[21]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((((((i[30] & i[29]) & i[27]) & !i[23]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | ((((((((!i[30] & i[27]) & i[23]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | ((((((((!i[30] & !i[29]) & i[27]) & !i[25]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2])) | (((((i[25] & !i[14]) & !i[6]) & i[5]) & i[4]) & !i[2])) | ((((((((i[30] & !i[27]) & i[24]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((i[29] & i[27]) & i[14]) & !i[6]) & i[5]) & !i[2]); + assign out[8] = ((((((((!i[27] & i[25]) & !i[14]) & i[13]) & !i[12]) & !i[6]) & i[5]) & i[4]) & !i[2]) | (((((((!i[27] & i[25]) & !i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]); + assign out[7] = ((((((!i[27] & i[25]) & !i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[6] = (((((i[25] & !i[14]) & !i[13]) & !i[12]) & i[5]) & i[4]) & !i[2]; + assign out[5] = ((((!i[27] & i[25]) & i[14]) & !i[6]) & i[5]) & !i[2]; + assign out[4] = (((((!i[27] & i[25]) & i[14]) & i[13]) & !i[6]) & i[5]) & !i[2]; + assign out[3] = !i[5] & i[3]; + assign out[2] = (i[12] & !i[5]) & i[3]; + assign out[94] = ((((((((((i[30] & !i[27]) & !i[24]) & !i[22]) & !i[21]) & !i[20]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[93] = (((((((((i[30] & !i[27]) & !i[24]) & !i[22]) & i[20]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[92] = ((((((((i[30] & !i[27]) & !i[24]) & i[21]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[91] = ((((((((i[30] & !i[27]) & i[22]) & !i[20]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[90] = ((((((((i[30] & !i[27]) & i[22]) & i[20]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[89] = (((((((!i[30] & i[29]) & !i[27]) & !i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[88] = (((((((!i[30] & i[29]) & !i[27]) & i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[87] = (((((i[27] & i[25]) & i[14]) & !i[12]) & !i[6]) & i[5]) & !i[2]; + assign out[86] = (((((i[27] & i[25]) & i[14]) & i[12]) & !i[6]) & i[5]) & !i[2]; + assign out[85] = ((((((!i[30] & i[27]) & !i[25]) & !i[13]) & !i[12]) & i[5]) & i[4]) & !i[2]; + assign out[84] = (((((i[30] & i[27]) & !i[13]) & !i[12]) & i[5]) & i[4]) & !i[2]; + assign out[83] = ((((((!i[30] & i[27]) & !i[25]) & i[13]) & i[12]) & !i[6]) & i[5]) & !i[2]; + assign out[82] = ((((((i[30] & !i[27]) & !i[14]) & i[12]) & !i[6]) & i[5]) & i[4]) & !i[2]; + assign out[81] = (((((((i[30] & i[29]) & !i[27]) & i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[78] = ((((((((((((((((((i[30] & !i[27]) & !i[24]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]) | (((((((!i[30] & i[27]) & i[14]) & i[13]) & i[12]) & !i[6]) & i[5]) & !i[2])) | ((((((((i[30] & i[29]) & !i[27]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((i[27] & !i[13]) & !i[12]) & i[5]) & i[4]) & !i[2])) | ((((((i[30] & i[14]) & !i[13]) & !i[12]) & !i[6]) & i[5]) & !i[2])) | ((((((i[30] & !i[27]) & i[13]) & !i[6]) & i[5]) & i[4]) & !i[2])) | ((((((i[30] & i[29]) & !i[27]) & !i[6]) & i[5]) & i[4]) & !i[2])) | ((((((((((((i[30] & i[29]) & i[24]) & i[23]) & i[22]) & i[21]) & i[20]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((((((((((!i[30] & i[29]) & i[27]) & !i[24]) & !i[23]) & i[22]) & i[21]) & i[20]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | ((((((((((((!i[30] & i[27]) & i[24]) & !i[23]) & !i[22]) & !i[21]) & !i[20]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | ((((((((((((i[30] & i[29]) & i[24]) & i[23]) & !i[22]) & !i[21]) & !i[20]) & i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | (((((i[27] & i[25]) & i[14]) & !i[6]) & i[5]) & !i[2]); + assign out[77] = (((((((!i[30] & i[29]) & i[27]) & !i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[76] = ((((((i[30] & !i[29]) & !i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[75] = (((((((i[30] & i[29]) & i[27]) & !i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[74] = (((((((i[30] & !i[29]) & i[27]) & i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[73] = (((((((i[29] & i[27]) & !i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]) | (((((((i[30] & !i[29]) & i[27]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]); + assign out[72] = (((((((!i[30] & i[27]) & !i[25]) & i[13]) & !i[12]) & !i[6]) & i[5]) & i[4]) & !i[2]; + assign out[71] = ((((((i[30] & i[27]) & i[13]) & !i[12]) & !i[6]) & i[5]) & i[4]) & !i[2]; + assign out[70] = ((((((i[27] & !i[25]) & i[13]) & !i[12]) & !i[6]) & i[5]) & i[4]) & !i[2]; + assign out[69] = ((((((i[27] & i[25]) & !i[14]) & !i[13]) & !i[6]) & i[5]) & i[4]) & !i[2]; + assign out[68] = (((((i[27] & !i[14]) & i[13]) & i[12]) & !i[6]) & i[5]) & !i[2]; + assign out[67] = (((((i[27] & !i[14]) & !i[12]) & !i[6]) & i[5]) & i[4]) & !i[2]; + assign out[66] = (((((i[27] & i[25]) & !i[14]) & !i[6]) & i[5]) & i[4]) & !i[2]; + assign out[80] = (((((((i[30] & i[29]) & i[27]) & i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[79] = (((((((!i[30] & i[29]) & i[27]) & i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[65] = ((((((((!i[30] & !i[29]) & i[27]) & !i[25]) & !i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[64] = ((((((((!i[30] & !i[29]) & i[27]) & !i[25]) & i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]; + assign out[63] = (((((((((((((!i[30] & i[29]) & !i[27]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]) | (((((((!i[30] & !i[29]) & i[27]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2])) | ((((((i[30] & !i[27]) & i[13]) & !i[6]) & i[5]) & i[4]) & !i[2])) | ((((((i[27] & !i[25]) & !i[13]) & !i[12]) & i[5]) & i[4]) & !i[2])) | ((((((i[30] & i[14]) & !i[13]) & !i[12]) & i[5]) & i[4]) & !i[2])) | ((((((i[29] & !i[27]) & i[12]) & !i[6]) & i[5]) & i[4]) & !i[2])) | ((((((((!i[30] & !i[29]) & i[27]) & !i[25]) & i[12]) & !i[6]) & i[5]) & i[4]) & !i[2])) | ((((((i[29] & i[14]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[2]); + assign out[62] = ((((((((((i[30] & !i[27]) & i[24]) & !i[23]) & !i[21]) & !i[20]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[61] = (((((((((i[30] & !i[27]) & i[24]) & !i[23]) & i[20]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[60] = (((((((((i[30] & !i[27]) & i[24]) & !i[23]) & i[21]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[59] = (((((((((i[30] & !i[27]) & i[23]) & !i[21]) & !i[20]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[58] = ((((((((i[30] & !i[27]) & i[23]) & i[20]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[57] = ((((((((i[30] & !i[27]) & i[23]) & i[21]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[56] = (((((((i[30] & !i[27]) & i[24]) & !i[14]) & !i[13]) & i[12]) & !i[5]) & i[4]) & !i[2]; + assign out[55] = (((((i[30] & i[27]) & i[13]) & i[12]) & !i[6]) & i[5]) & !i[2]; + assign out[54] = (((((i[30] & i[27]) & i[13]) & i[12]) & !i[6]) & i[5]) & !i[2]; + assign out[53] = (((((i[29] & !i[14]) & !i[12]) & !i[6]) & i[5]) & i[4]) & !i[2]; + assign out[52] = (((((i[29] & i[14]) & !i[13]) & !i[12]) & i[5]) & i[4]) & !i[2]; + assign out[51] = ((((i[29] & i[14]) & i[13]) & !i[6]) & i[5]) & !i[2]; + assign out[50] = ((((i[29] & !i[12]) & !i[6]) & i[5]) & i[4]) & !i[2]; + assign out[1] = (((((((((i[28] & i[22]) & !i[13]) & !i[12]) & i[4]) | (((((!i[30] & !i[29]) & !i[27]) & !i[25]) & !i[6]) & i[4])) | ((((((!i[29] & !i[27]) & !i[25]) & !i[13]) & i[12]) & !i[6]) & i[4])) | (((((!i[29] & !i[27]) & !i[25]) & !i[14]) & !i[6]) & i[4])) | ((i[13] & !i[5]) & i[4])) | (i[4] & i[2])) | ((!i[12] & !i[5]) & i[4]); + assign out[0] = (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!i[31] & !i[30]) & !i[29]) & i[28]) & !i[27]) & !i[26]) & !i[25]) & !i[24]) & !i[23]) & i[22]) & !i[21]) & i[20]) & !i[19]) & !i[18]) & !i[17]) & !i[16]) & !i[15]) & !i[14]) & !i[11]) & !i[10]) & !i[9]) & !i[8]) & !i[7]) & i[6]) & i[5]) & i[4]) & !i[3]) & !i[2]) & i[1]) & i[0]) | (((((((((((((((((((((((((((((!i[31] & !i[30]) & i[29]) & i[28]) & !i[27]) & !i[26]) & !i[25]) & !i[24]) & !i[23]) & !i[22]) & i[21]) & !i[20]) & !i[19]) & !i[18]) & !i[17]) & !i[16]) & !i[15]) & !i[14]) & !i[11]) & !i[10]) & !i[9]) & !i[8]) & !i[7]) & i[6]) & i[5]) & i[4]) & !i[3]) & !i[2]) & i[1]) & i[0])) | (((((((((((((((((((((((((((!i[31] & !i[30]) & !i[29]) & !i[28]) & !i[27]) & !i[26]) & !i[25]) & !i[24]) & !i[23]) & !i[22]) & !i[21]) & !i[19]) & !i[18]) & !i[17]) & !i[16]) & !i[15]) & !i[14]) & !i[11]) & !i[10]) & !i[9]) & !i[8]) & !i[7]) & i[5]) & i[4]) & !i[3]) & !i[2]) & i[1]) & i[0])) | (((((((((((((!i[31] & i[29]) & !i[28]) & !i[26]) & !i[25]) & i[24]) & !i[22]) & !i[20]) & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((((!i[31] & i[29]) & !i[28]) & !i[26]) & !i[25]) & i[24]) & !i[22]) & !i[21]) & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((((!i[31] & i[29]) & !i[28]) & !i[26]) & !i[25]) & !i[23]) & !i[22]) & !i[20]) & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((((!i[31] & i[29]) & !i[28]) & !i[26]) & !i[25]) & !i[24]) & !i[23]) & !i[21]) & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((!i[31] & !i[30]) & !i[29]) & !i[28]) & !i[26]) & i[25]) & i[13]) & !i[6]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((!i[31] & !i[30]) & !i[28]) & !i[26]) & !i[25]) & !i[24]) & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | ((((((((((((!i[31] & !i[30]) & !i[28]) & !i[27]) & !i[26]) & !i[25]) & i[14]) & !i[12]) & !i[6]) & i[4]) & !i[3]) & i[1]) & i[0])) | ((((((((((((!i[31] & !i[30]) & !i[28]) & !i[27]) & !i[26]) & !i[25]) & i[13]) & !i[12]) & !i[6]) & i[4]) & !i[3]) & i[1]) & i[0])) | ((((((((((((!i[31] & !i[29]) & !i[28]) & !i[27]) & !i[26]) & !i[25]) & !i[13]) & !i[12]) & !i[6]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((!i[31] & !i[28]) & !i[27]) & !i[26]) & !i[25]) & i[14]) & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | ((((((((((((!i[31] & !i[30]) & !i[29]) & !i[28]) & !i[26]) & !i[13]) & i[12]) & i[5]) & i[4]) & !i[3]) & !i[2]) & i[1]) & i[0])) | (((((((((((!i[31] & !i[30]) & !i[29]) & !i[28]) & !i[26]) & i[14]) & !i[6]) & i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | ((((((((((((!i[31] & i[30]) & !i[28]) & i[27]) & !i[26]) & !i[25]) & !i[13]) & i[12]) & !i[6]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((!i[31] & i[29]) & !i[28]) & i[27]) & !i[26]) & !i[25]) & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((!i[31] & !i[30]) & !i[28]) & !i[27]) & !i[26]) & !i[25]) & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((!i[31] & !i[30]) & !i[29]) & !i[28]) & !i[27]) & !i[26]) & !i[6]) & i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | ((((((((!i[14] & !i[13]) & !i[12]) & i[6]) & i[5]) & !i[4]) & !i[3]) & i[1]) & i[0])) | (((((((((((!i[31] & !i[29]) & !i[28]) & !i[26]) & !i[25]) & i[14]) & !i[6]) & i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | ((((((((((((!i[31] & i[29]) & !i[28]) & !i[26]) & !i[25]) & !i[13]) & i[12]) & i[5]) & i[4]) & !i[3]) & !i[2]) & i[1]) & i[0])) | (((((((i[14] & i[6]) & i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1]) & i[0])) | (((((((!i[14] & !i[13]) & i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1]) & i[0])) | ((((((!i[12] & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((((!i[13] & i[12]) & i[6]) & i[5]) & !i[3]) & !i[2]) & i[1]) & i[0])) | ((((((((((((((((((((((((((((((!i[31] & !i[30]) & !i[29]) & !i[28]) & !i[27]) & !i[26]) & !i[25]) & !i[24]) & !i[23]) & !i[22]) & !i[21]) & !i[20]) & !i[19]) & !i[18]) & !i[17]) & !i[16]) & !i[15]) & !i[14]) & !i[13]) & !i[11]) & !i[10]) & !i[9]) & !i[8]) & !i[7]) & !i[6]) & !i[5]) & !i[4]) & i[3]) & i[2]) & i[1]) & i[0])) | (((((((((((((((((((((((!i[31] & !i[30]) & !i[29]) & !i[28]) & !i[19]) & !i[18]) & !i[17]) & !i[16]) & !i[15]) & !i[14]) & !i[13]) & !i[12]) & !i[11]) & !i[10]) & !i[9]) & !i[8]) & !i[7]) & !i[6]) & !i[5]) & !i[4]) & i[3]) & i[2]) & i[1]) & i[0])) | (((((((i[13] & i[6]) & i[5]) & i[4]) & !i[3]) & !i[2]) & i[1]) & i[0])) | ((((((i[6] & i[5]) & !i[4]) & i[3]) & i[2]) & i[1]) & i[0])) | (((((((!i[14] & !i[12]) & !i[6]) & !i[4]) & !i[3]) & !i[2]) & i[1]) & i[0])) | (((((((!i[13] & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1]) & i[0])) | ((((((i[13] & !i[6]) & !i[5]) & i[4]) & !i[3]) & i[1]) & i[0])) | (((((!i[6] & i[4]) & !i[3]) & i[2]) & i[1]) & i[0]); +endmodule +module eb1_dec_gpr_ctl ( + raddr0, + raddr1, + wen0, + waddr0, + wd0, + wen1, + waddr1, + wd1, + wen2, + waddr2, + wd2, + clk, + rst_l, + rd0, + rd1, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire [4:0] raddr0; + input wire [4:0] raddr1; + input wire wen0; + input wire [4:0] waddr0; + input wire [31:0] wd0; + input wire wen1; + input wire [4:0] waddr1; + input wire [31:0] wd1; + input wire wen2; + input wire [4:0] waddr2; + input wire [31:0] wd2; + input wire clk; + input wire rst_l; + output reg [31:0] rd0; + output reg [31:0] rd1; + input wire scan_mode; + wire [1023:32] gpr_out; + reg [1023:32] gpr_in; + reg [31:1] w0v; + reg [31:1] w1v; + reg [31:1] w2v; + wire [31:1] gpr_wr_en; + assign gpr_wr_en[31:1] = (w0v[31:1] | w1v[31:1]) | w2v[31:1]; + generate + genvar j; + for (j = 1; j < 32; j = j + 1) begin : gpr + rvdffe #(.WIDTH(32)) gprff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(gpr_wr_en[j]), + .din(gpr_in[(j * 32) + 31-:32]), + .dout(gpr_out[(j * 32) + 31-:32]) + ); + end + endgenerate + function automatic signed [4:0] sv2v_cast_5_signed; + input reg signed [4:0] inp; + sv2v_cast_5_signed = inp; + endfunction + always @(*) begin + rd0[31:0] = 32'b00000000000000000000000000000000; + rd1[31:0] = 32'b00000000000000000000000000000000; + w0v[31:1] = 31'b0000000000000000000000000000000; + w1v[31:1] = 31'b0000000000000000000000000000000; + w2v[31:1] = 31'b0000000000000000000000000000000; + gpr_in[32+:992] = {992 {1'sb0}}; + begin : sv2v_autoblock_39 + reg signed [31:0] j; + for (j = 1; j < 32; j = j + 1) + begin + rd0[31:0] = rd0[31:0] | ({32 {raddr0[4:0] == sv2v_cast_5_signed(j)}} & gpr_out[(j * 32) + 31-:32]); + rd1[31:0] = rd1[31:0] | ({32 {raddr1[4:0] == sv2v_cast_5_signed(j)}} & gpr_out[(j * 32) + 31-:32]); + end + end + begin : sv2v_autoblock_40 + reg signed [31:0] j; + for (j = 1; j < 32; j = j + 1) + begin + w0v[j] = wen0 & (waddr0[4:0] == sv2v_cast_5_signed(j)); + w1v[j] = wen1 & (waddr1[4:0] == sv2v_cast_5_signed(j)); + w2v[j] = wen2 & (waddr2[4:0] == sv2v_cast_5_signed(j)); + gpr_in[j * 32+:32] = (({32 {w0v[j]}} & wd0[31:0]) | ({32 {w1v[j]}} & wd1[31:0])) | ({32 {w2v[j]}} & wd2[31:0]); + end + end + end +endmodule +module eb1_dec_ib_ctl ( + dbg_cmd_valid, + dbg_cmd_write, + dbg_cmd_type, + dbg_cmd_addr, + i0_brp, + ifu_i0_bp_index, + ifu_i0_bp_fghr, + ifu_i0_bp_btag, + ifu_i0_fa_index, + ifu_i0_pc4, + ifu_i0_valid, + ifu_i0_icaf, + ifu_i0_icaf_type, + ifu_i0_icaf_second, + ifu_i0_dbecc, + ifu_i0_instr, + ifu_i0_pc, + dec_ib0_valid_d, + dec_debug_valid_d, + dec_i0_instr_d, + dec_i0_pc_d, + dec_i0_pc4_d, + dec_i0_brp, + dec_i0_bp_index, + dec_i0_bp_fghr, + dec_i0_bp_btag, + dec_i0_bp_fa_index, + dec_i0_icaf_d, + dec_i0_icaf_second_d, + dec_i0_icaf_type_d, + dec_i0_dbecc_d, + dec_debug_wdata_rs1_d, + dec_debug_fence_d +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire dbg_cmd_valid; + input wire dbg_cmd_write; + input wire [1:0] dbg_cmd_type; + input wire [31:0] dbg_cmd_addr; + input wire [50:0] i0_brp; + input wire [pt[2172-:9]:pt[2163-:6]] ifu_i0_bp_index; + input wire [pt[2236-:8] - 1:0] ifu_i0_bp_fghr; + input wire [pt[2139-:9] - 1:0] ifu_i0_bp_btag; + input wire [$clog2(pt[2061-:14]) - 1:0] ifu_i0_fa_index; + input wire ifu_i0_pc4; + input wire ifu_i0_valid; + input wire ifu_i0_icaf; + input wire [1:0] ifu_i0_icaf_type; + input wire ifu_i0_icaf_second; + input wire ifu_i0_dbecc; + input wire [31:0] ifu_i0_instr; + input wire [31:1] ifu_i0_pc; + output wire dec_ib0_valid_d; + output wire dec_debug_valid_d; + output wire [31:0] dec_i0_instr_d; + output wire [31:1] dec_i0_pc_d; + output wire dec_i0_pc4_d; + output wire [50:0] dec_i0_brp; + output wire [pt[2172-:9]:pt[2163-:6]] dec_i0_bp_index; + output wire [pt[2236-:8] - 1:0] dec_i0_bp_fghr; + output wire [pt[2139-:9] - 1:0] dec_i0_bp_btag; + output wire [$clog2(pt[2061-:14]) - 1:0] dec_i0_bp_fa_index; + output wire dec_i0_icaf_d; + output wire dec_i0_icaf_second_d; + output wire [1:0] dec_i0_icaf_type_d; + output wire dec_i0_dbecc_d; + output wire dec_debug_wdata_rs1_d; + output wire dec_debug_fence_d; + wire debug_valid; + wire [4:0] dreg; + wire [11:0] dcsr; + wire [31:0] ib0; + wire [31:0] ib0_debug_in; + wire debug_read; + wire debug_write; + wire debug_read_gpr; + wire debug_write_gpr; + wire debug_read_csr; + wire debug_write_csr; + wire [34:0] ifu_i0_pcdata; + wire [34:0] pc0; + assign ifu_i0_pcdata[34:0] = {ifu_i0_icaf_second, ifu_i0_dbecc, ifu_i0_icaf, ifu_i0_pc[31:1], ifu_i0_pc4}; + assign pc0[34:0] = ifu_i0_pcdata[34:0]; + assign dec_i0_icaf_second_d = pc0[34]; + assign dec_i0_dbecc_d = pc0[33]; + assign dec_i0_icaf_d = pc0[32]; + assign dec_i0_pc_d[31:1] = pc0[31:1]; + assign dec_i0_pc4_d = pc0[0]; + assign dec_i0_icaf_type_d[1:0] = ifu_i0_icaf_type[1:0]; + assign debug_valid = dbg_cmd_valid & (dbg_cmd_type[1:0] != 2'h2); + assign debug_read = debug_valid & ~dbg_cmd_write; + assign debug_write = debug_valid & dbg_cmd_write; + assign debug_read_gpr = debug_read & (dbg_cmd_type[1:0] == 2'h0); + assign debug_write_gpr = debug_write & (dbg_cmd_type[1:0] == 2'h0); + assign debug_read_csr = debug_read & (dbg_cmd_type[1:0] == 2'h1); + assign debug_write_csr = debug_write & (dbg_cmd_type[1:0] == 2'h1); + assign dreg[4:0] = dbg_cmd_addr[4:0]; + assign dcsr[11:0] = dbg_cmd_addr[11:0]; + assign ib0_debug_in[31:0] = ((({32 {debug_read_gpr}} & {12'b000000000000, dreg[4:0], 15'b110000000110011}) | ({32 {debug_write_gpr}} & {20'b00000000000000000110, dreg[4:0], 7'b0110011})) | ({32 {debug_read_csr}} & {dcsr[11:0], 20'b00000010000001110011})) | ({32 {debug_write_csr}} & {dcsr[11:0], 20'b00000001000001110011}); + assign dec_debug_wdata_rs1_d = debug_write_gpr | debug_write_csr; + assign dec_debug_fence_d = debug_write_csr & (dcsr[11:0] == 12'h7c4); + assign ib0[31:0] = (debug_valid ? ib0_debug_in[31:0] : ifu_i0_instr[31:0]); + assign dec_ib0_valid_d = ifu_i0_valid | debug_valid; + assign dec_debug_valid_d = debug_valid; + assign dec_i0_instr_d[31:0] = ib0[31:0]; + assign dec_i0_brp = i0_brp; + assign dec_i0_bp_index = ifu_i0_bp_index; + assign dec_i0_bp_fghr = ifu_i0_bp_fghr; + assign dec_i0_bp_btag = ifu_i0_bp_btag; + assign dec_i0_bp_fa_index = ifu_i0_fa_index; +endmodule +module eb1_dec_tlu_ctl ( + clk, + free_clk, + free_l2clk, + rst_l, + scan_mode, + rst_vec, + nmi_int, + nmi_vec, + i_cpu_halt_req, + i_cpu_run_req, + lsu_fastint_stall_any, + ifu_pmu_instr_aligned, + ifu_pmu_fetch_stall, + ifu_pmu_ic_miss, + ifu_pmu_ic_hit, + ifu_pmu_bus_error, + ifu_pmu_bus_busy, + ifu_pmu_bus_trxn, + dec_pmu_instr_decoded, + dec_pmu_decode_stall, + dec_pmu_presync_stall, + dec_pmu_postsync_stall, + lsu_store_stall_any, + dma_dccm_stall_any, + dma_iccm_stall_any, + exu_pmu_i0_br_misp, + exu_pmu_i0_br_ataken, + exu_pmu_i0_pc4, + lsu_pmu_bus_trxn, + lsu_pmu_bus_misaligned, + lsu_pmu_bus_error, + lsu_pmu_bus_busy, + lsu_pmu_load_external_m, + lsu_pmu_store_external_m, + dma_pmu_dccm_read, + dma_pmu_dccm_write, + dma_pmu_any_read, + dma_pmu_any_write, + lsu_fir_addr, + lsu_fir_error, + iccm_dma_sb_error, + lsu_error_pkt_r, + lsu_single_ecc_error_incr, + dec_pause_state, + lsu_imprecise_error_store_any, + lsu_imprecise_error_load_any, + lsu_imprecise_error_addr_any, + dec_csr_wen_unq_d, + dec_csr_any_unq_d, + dec_csr_rdaddr_d, + dec_csr_wen_r, + dec_csr_wraddr_r, + dec_csr_wrdata_r, + dec_csr_stall_int_ff, + dec_tlu_i0_valid_r, + exu_npc_r, + dec_tlu_i0_pc_r, + dec_tlu_packet_r, + dec_illegal_inst, + dec_i0_decode_d, + exu_i0_br_hist_r, + exu_i0_br_error_r, + exu_i0_br_start_error_r, + exu_i0_br_valid_r, + exu_i0_br_mp_r, + exu_i0_br_middle_r, + exu_i0_br_way_r, + dec_tlu_core_empty, + dec_dbg_cmd_done, + dec_dbg_cmd_fail, + dec_tlu_dbg_halted, + dec_tlu_debug_mode, + dec_tlu_resume_ack, + dec_tlu_debug_stall, + dec_tlu_flush_noredir_r, + dec_tlu_mpc_halted_only, + dec_tlu_flush_leak_one_r, + dec_tlu_flush_err_r, + dec_tlu_flush_extint, + dec_tlu_meihap, + dbg_halt_req, + dbg_resume_req, + ifu_miss_state_idle, + lsu_idle_any, + dec_div_active, + trigger_pkt_any, + ifu_ic_error_start, + ifu_iccm_rd_ecc_single_err, + ifu_ic_debug_rd_data, + ifu_ic_debug_rd_data_valid, + dec_tlu_ic_diag_pkt, + pic_claimid, + pic_pl, + mhwakeup, + mexintpend, + timer_int, + soft_int, + o_cpu_halt_status, + o_cpu_halt_ack, + o_cpu_run_ack, + o_debug_mode_status, + core_id, + mpc_debug_halt_req, + mpc_debug_run_req, + mpc_reset_run_req, + mpc_debug_halt_ack, + mpc_debug_run_ack, + debug_brkpt_status, + dec_tlu_meicurpl, + dec_tlu_meipt, + dec_csr_rddata_d, + dec_csr_legal_d, + dec_tlu_br0_r_pkt, + dec_tlu_i0_kill_writeb_wb, + dec_tlu_flush_lower_wb, + dec_tlu_i0_commit_cmt, + dec_tlu_i0_kill_writeb_r, + dec_tlu_flush_lower_r, + dec_tlu_flush_path_r, + dec_tlu_fence_i_r, + dec_tlu_wr_pause_r, + dec_tlu_flush_pause_r, + dec_tlu_presync_d, + dec_tlu_postsync_d, + dec_tlu_mrac_ff, + dec_tlu_force_halt, + dec_tlu_perfcnt0, + dec_tlu_perfcnt1, + dec_tlu_perfcnt2, + dec_tlu_perfcnt3, + dec_tlu_i0_exc_valid_wb1, + dec_tlu_i0_valid_wb1, + dec_tlu_int_valid_wb1, + dec_tlu_exc_cause_wb1, + dec_tlu_mtval_wb1, + dec_tlu_external_ldfwd_disable, + dec_tlu_sideeffect_posted_disable, + dec_tlu_core_ecc_disable, + dec_tlu_bpred_disable, + dec_tlu_wb_coalescing_disable, + dec_tlu_pipelining_disable, + dec_tlu_trace_disable, + dec_tlu_dma_qos_prty, + dec_tlu_misc_clk_override, + dec_tlu_dec_clk_override, + dec_tlu_ifu_clk_override, + dec_tlu_lsu_clk_override, + dec_tlu_bus_clk_override, + dec_tlu_pic_clk_override, + dec_tlu_picio_clk_override, + dec_tlu_dccm_clk_override, + dec_tlu_icm_clk_override +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire free_clk; + input wire free_l2clk; + input wire rst_l; + input wire scan_mode; + input wire [31:1] rst_vec; + input wire nmi_int; + input wire [31:1] nmi_vec; + input wire i_cpu_halt_req; + input wire i_cpu_run_req; + input wire lsu_fastint_stall_any; + input wire ifu_pmu_instr_aligned; + input wire ifu_pmu_fetch_stall; + input wire ifu_pmu_ic_miss; + input wire ifu_pmu_ic_hit; + input wire ifu_pmu_bus_error; + input wire ifu_pmu_bus_busy; + input wire ifu_pmu_bus_trxn; + input wire dec_pmu_instr_decoded; + input wire dec_pmu_decode_stall; + input wire dec_pmu_presync_stall; + input wire dec_pmu_postsync_stall; + input wire lsu_store_stall_any; + input wire dma_dccm_stall_any; + input wire dma_iccm_stall_any; + input wire exu_pmu_i0_br_misp; + input wire exu_pmu_i0_br_ataken; + input wire exu_pmu_i0_pc4; + input wire lsu_pmu_bus_trxn; + input wire lsu_pmu_bus_misaligned; + input wire lsu_pmu_bus_error; + input wire lsu_pmu_bus_busy; + input wire lsu_pmu_load_external_m; + input wire lsu_pmu_store_external_m; + input wire dma_pmu_dccm_read; + input wire dma_pmu_dccm_write; + input wire dma_pmu_any_read; + input wire dma_pmu_any_write; + input wire [31:1] lsu_fir_addr; + input wire [1:0] lsu_fir_error; + input wire iccm_dma_sb_error; + input wire [39:0] lsu_error_pkt_r; + input wire lsu_single_ecc_error_incr; + input wire dec_pause_state; + input wire lsu_imprecise_error_store_any; + input wire lsu_imprecise_error_load_any; + input wire [31:0] lsu_imprecise_error_addr_any; + input wire dec_csr_wen_unq_d; + input wire dec_csr_any_unq_d; + input wire [11:0] dec_csr_rdaddr_d; + input wire dec_csr_wen_r; + input wire [11:0] dec_csr_wraddr_r; + input wire [31:0] dec_csr_wrdata_r; + input wire dec_csr_stall_int_ff; + input wire dec_tlu_i0_valid_r; + input wire [31:1] exu_npc_r; + input wire [31:1] dec_tlu_i0_pc_r; + input wire [16:0] dec_tlu_packet_r; + input wire [31:0] dec_illegal_inst; + input wire dec_i0_decode_d; + input wire [1:0] exu_i0_br_hist_r; + input wire exu_i0_br_error_r; + input wire exu_i0_br_start_error_r; + input wire exu_i0_br_valid_r; + input wire exu_i0_br_mp_r; + input wire exu_i0_br_middle_r; + input wire exu_i0_br_way_r; + output wire dec_tlu_core_empty; + output wire dec_dbg_cmd_done; + output wire dec_dbg_cmd_fail; + output wire dec_tlu_dbg_halted; + output wire dec_tlu_debug_mode; + output wire dec_tlu_resume_ack; + output wire dec_tlu_debug_stall; + output wire dec_tlu_flush_noredir_r; + output wire dec_tlu_mpc_halted_only; + output wire dec_tlu_flush_leak_one_r; + output wire dec_tlu_flush_err_r; + output wire dec_tlu_flush_extint; + output wire [31:2] dec_tlu_meihap; + input wire dbg_halt_req; + input wire dbg_resume_req; + input wire ifu_miss_state_idle; + input wire lsu_idle_any; + input wire dec_div_active; + output wire [151:0] trigger_pkt_any; + input wire ifu_ic_error_start; + input wire ifu_iccm_rd_ecc_single_err; + input wire [70:0] ifu_ic_debug_rd_data; + input wire ifu_ic_debug_rd_data_valid; + output wire [89:0] dec_tlu_ic_diag_pkt; + input wire [7:0] pic_claimid; + input wire [3:0] pic_pl; + input wire mhwakeup; + input wire mexintpend; + input wire timer_int; + input wire soft_int; + output wire o_cpu_halt_status; + output wire o_cpu_halt_ack; + output wire o_cpu_run_ack; + output wire o_debug_mode_status; + input wire [31:4] core_id; + input wire mpc_debug_halt_req; + input wire mpc_debug_run_req; + input wire mpc_reset_run_req; + output wire mpc_debug_halt_ack; + output wire mpc_debug_run_ack; + output wire debug_brkpt_status; + output wire [3:0] dec_tlu_meicurpl; + output wire [3:0] dec_tlu_meipt; + output wire [31:0] dec_csr_rddata_d; + output wire dec_csr_legal_d; + output wire [6:0] dec_tlu_br0_r_pkt; + output wire dec_tlu_i0_kill_writeb_wb; + output wire dec_tlu_flush_lower_wb; + output wire dec_tlu_i0_commit_cmt; + output wire dec_tlu_i0_kill_writeb_r; + output wire dec_tlu_flush_lower_r; + output wire [31:1] dec_tlu_flush_path_r; + output wire dec_tlu_fence_i_r; + output wire dec_tlu_wr_pause_r; + output wire dec_tlu_flush_pause_r; + output wire dec_tlu_presync_d; + output wire dec_tlu_postsync_d; + output wire [31:0] dec_tlu_mrac_ff; + output wire dec_tlu_force_halt; + output wire dec_tlu_perfcnt0; + output wire dec_tlu_perfcnt1; + output wire dec_tlu_perfcnt2; + output wire dec_tlu_perfcnt3; + output wire dec_tlu_i0_exc_valid_wb1; + output wire dec_tlu_i0_valid_wb1; + output wire dec_tlu_int_valid_wb1; + output wire [4:0] dec_tlu_exc_cause_wb1; + output wire [31:0] dec_tlu_mtval_wb1; + output wire dec_tlu_external_ldfwd_disable; + output wire dec_tlu_sideeffect_posted_disable; + output wire dec_tlu_core_ecc_disable; + output wire dec_tlu_bpred_disable; + output wire dec_tlu_wb_coalescing_disable; + output wire dec_tlu_pipelining_disable; + output wire dec_tlu_trace_disable; + output wire [2:0] dec_tlu_dma_qos_prty; + output wire dec_tlu_misc_clk_override; + output wire dec_tlu_dec_clk_override; + output wire dec_tlu_ifu_clk_override; + output wire dec_tlu_lsu_clk_override; + output wire dec_tlu_bus_clk_override; + output wire dec_tlu_pic_clk_override; + output wire dec_tlu_picio_clk_override; + output wire dec_tlu_dccm_clk_override; + output wire dec_tlu_icm_clk_override; + wire clk_override; + wire e4e5_int_clk; + wire nmi_fir_type; + wire nmi_lsu_load_type; + wire nmi_lsu_store_type; + wire nmi_int_detected_f; + wire nmi_lsu_load_type_f; + wire nmi_lsu_store_type_f; + wire allow_dbg_halt_csr_write; + wire dbg_cmd_done_ns; + wire i_cpu_run_req_d1_raw; + wire debug_mode_status; + wire lsu_single_ecc_error_r_d1; + wire sel_npc_r; + wire sel_npc_resume; + wire ce_int; + wire nmi_in_debug_mode; + wire dpc_capture_npc; + wire dpc_capture_pc; + wire tdata_load; + wire tdata_opcode; + wire tdata_action; + wire perfcnt_halted; + wire tdata_chain; + wire tdata_kill_write; + wire reset_delayed; + wire reset_detect; + wire reset_detected; + wire wr_mstatus_r; + wire wr_mtvec_r; + wire wr_mcyclel_r; + wire wr_mcycleh_r; + wire wr_minstretl_r; + wire wr_minstreth_r; + wire wr_mscratch_r; + wire wr_mepc_r; + wire wr_mcause_r; + wire wr_mscause_r; + wire wr_mtval_r; + wire wr_mrac_r; + wire wr_meihap_r; + wire wr_meicurpl_r; + wire wr_meipt_r; + wire wr_dcsr_r; + wire wr_dpc_r; + wire wr_meicidpl_r; + wire wr_meivt_r; + wire wr_meicpct_r; + wire wr_micect_r; + wire wr_miccmect_r; + wire wr_mfdht_r; + wire wr_mfdhs_r; + wire wr_mdccmect_r; + wire wr_mhpme3_r; + wire wr_mhpme4_r; + wire wr_mhpme5_r; + wire wr_mhpme6_r; + wire wr_mpmc_r; + wire [1:1] mpmc_b_ns; + wire [1:1] mpmc; + wire [1:1] mpmc_b; + wire set_mie_pmu_fw_halt; + wire fw_halted_ns; + wire fw_halted; + wire wr_mcountinhibit_r; + wire [6:0] mcountinhibit; + wire wr_mtsel_r; + wire wr_mtdata1_t0_r; + wire wr_mtdata1_t1_r; + wire wr_mtdata1_t2_r; + wire wr_mtdata1_t3_r; + wire wr_mtdata2_t0_r; + wire wr_mtdata2_t1_r; + wire wr_mtdata2_t2_r; + wire wr_mtdata2_t3_r; + wire [31:0] mtdata2_t0; + wire [31:0] mtdata2_t1; + wire [31:0] mtdata2_t2; + wire [31:0] mtdata2_t3; + wire [31:0] mtdata2_tsel_out; + wire [31:0] mtdata1_tsel_out; + wire [9:0] mtdata1_t0_ns; + wire [9:0] mtdata1_t0; + wire [9:0] mtdata1_t1_ns; + wire [9:0] mtdata1_t1; + wire [9:0] mtdata1_t2_ns; + wire [9:0] mtdata1_t2; + wire [9:0] mtdata1_t3_ns; + wire [9:0] mtdata1_t3; + wire [9:0] tdata_wrdata_r; + wire [1:0] mtsel_ns; + wire [1:0] mtsel; + wire tlu_i0_kill_writeb_r; + wire [1:0] mstatus_ns; + wire [1:0] mstatus; + wire [1:0] mfdhs_ns; + wire [1:0] mfdhs; + wire [31:0] force_halt_ctr; + wire [31:0] force_halt_ctr_f; + wire force_halt; + wire [5:0] mfdht; + wire [5:0] mfdht_ns; + wire mstatus_mie_ns; + wire [30:0] mtvec_ns; + wire [30:0] mtvec; + wire [15:2] dcsr_ns; + wire [15:2] dcsr; + wire [5:0] mip_ns; + wire [5:0] mip; + wire [5:0] mie_ns; + wire [5:0] mie; + wire [31:0] mcyclel_ns; + wire [31:0] mcyclel; + wire [31:0] mcycleh_ns; + wire [31:0] mcycleh; + wire [31:0] minstretl_ns; + wire [31:0] minstretl; + wire [31:0] minstreth_ns; + wire [31:0] minstreth; + wire [31:0] micect_ns; + wire [31:0] micect; + wire [31:0] miccmect_ns; + wire [31:0] miccmect; + wire [31:0] mdccmect_ns; + wire [31:0] mdccmect; + wire [26:0] micect_inc; + wire [26:0] miccmect_inc; + wire [26:0] mdccmect_inc; + wire [31:0] mscratch; + wire [31:0] mhpmc3; + wire [31:0] mhpmc3_ns; + wire [31:0] mhpmc4; + wire [31:0] mhpmc4_ns; + wire [31:0] mhpmc5; + wire [31:0] mhpmc5_ns; + wire [31:0] mhpmc6; + wire [31:0] mhpmc6_ns; + wire [31:0] mhpmc3h; + wire [31:0] mhpmc3h_ns; + wire [31:0] mhpmc4h; + wire [31:0] mhpmc4h_ns; + wire [31:0] mhpmc5h; + wire [31:0] mhpmc5h_ns; + wire [31:0] mhpmc6h; + wire [31:0] mhpmc6h_ns; + wire [9:0] mhpme3; + wire [9:0] mhpme4; + wire [9:0] mhpme5; + wire [9:0] mhpme6; + wire [31:0] mrac; + wire [9:2] meihap; + wire [31:10] meivt; + wire [3:0] meicurpl_ns; + wire [3:0] meicurpl; + wire [3:0] meicidpl_ns; + wire [3:0] meicidpl; + wire [3:0] meipt_ns; + wire [3:0] meipt; + wire [31:0] mdseac; + wire mdseac_locked_ns; + wire mdseac_locked_f; + wire mdseac_en; + wire nmi_lsu_detected; + wire [31:1] mepc_ns; + wire [31:1] mepc; + wire [31:1] dpc_ns; + wire [31:1] dpc; + wire [31:0] mcause_ns; + wire [31:0] mcause; + wire [3:0] mscause_ns; + wire [3:0] mscause; + wire [3:0] mscause_type; + wire [31:0] mtval_ns; + wire [31:0] mtval; + wire dec_pause_state_f; + wire dec_tlu_wr_pause_r_d1; + wire pause_expired_r; + wire pause_expired_wb; + wire tlu_flush_lower_r; + wire tlu_flush_lower_r_d1; + wire [31:1] tlu_flush_path_r; + wire [31:1] tlu_flush_path_r_d1; + wire i0_valid_wb; + wire tlu_i0_commit_cmt; + wire [31:1] vectored_path; + wire [31:1] interrupt_path; + wire [16:0] dicawics_ns; + wire [16:0] dicawics; + wire wr_dicawics_r; + wire wr_dicad0_r; + wire wr_dicad1_r; + wire wr_dicad0h_r; + wire [31:0] dicad0_ns; + wire [31:0] dicad0; + wire [31:0] dicad0h_ns; + wire [31:0] dicad0h; + wire [6:0] dicad1_ns; + wire [6:0] dicad1_raw; + wire [31:0] dicad1; + wire ebreak_r; + wire ebreak_to_debug_mode_r; + wire ecall_r; + wire illegal_r; + wire mret_r; + wire inst_acc_r; + wire fence_i_r; + wire ic_perr_r; + wire iccm_sbecc_r; + wire ebreak_to_debug_mode_r_d1; + wire kill_ebreak_count_r; + wire inst_acc_second_r; + wire ce_int_ready; + wire ext_int_ready; + wire timer_int_ready; + wire soft_int_ready; + wire int_timer0_int_ready; + wire int_timer1_int_ready; + wire mhwakeup_ready; + wire take_ext_int; + wire take_ce_int; + wire take_timer_int; + wire take_soft_int; + wire take_int_timer0_int; + wire take_int_timer1_int; + wire take_nmi; + wire take_nmi_r_d1; + wire int_timer0_int_possible; + wire int_timer1_int_possible; + wire i0_exception_valid_r; + wire interrupt_valid_r; + wire i0_exception_valid_r_d1; + wire interrupt_valid_r_d1; + wire exc_or_int_valid_r; + wire exc_or_int_valid_r_d1; + wire mdccme_ce_req; + wire miccme_ce_req; + wire mice_ce_req; + wire synchronous_flush_r; + wire [4:0] exc_cause_r; + wire [4:0] exc_cause_wb; + wire mcyclel_cout; + wire mcyclel_cout_f; + wire mcyclela_cout; + wire [31:0] mcyclel_inc; + wire [31:0] mcycleh_inc; + wire minstretl_cout; + wire minstretl_cout_f; + wire minstret_enable; + wire minstretl_cout_ns; + wire minstretl_couta; + wire [31:0] minstretl_inc; + wire [31:0] minstretl_read; + wire [31:0] minstreth_inc; + wire [31:0] minstreth_read; + wire [31:1] pc_r; + wire [31:1] pc_r_d1; + wire [31:1] npc_r; + wire [31:1] npc_r_d1; + wire valid_csr; + wire rfpc_i0_r; + wire lsu_i0_rfnpc_r; + wire dec_tlu_br0_error_r; + wire dec_tlu_br0_start_error_r; + wire dec_tlu_br0_v_r; + wire lsu_i0_exc_r; + wire lsu_i0_exc_r_raw; + wire lsu_exc_ma_r; + wire lsu_exc_acc_r; + wire lsu_exc_st_r; + wire lsu_exc_valid_r; + wire lsu_exc_valid_r_raw; + wire lsu_exc_valid_r_d1; + wire lsu_i0_exc_r_d1; + wire block_interrupts; + wire i0_trigger_eval_r; + wire request_debug_mode_r; + wire request_debug_mode_r_d1; + wire request_debug_mode_done; + wire request_debug_mode_done_f; + wire take_halt; + wire halt_taken; + wire halt_taken_f; + wire internal_dbg_halt_mode; + wire dbg_tlu_halted_f; + wire take_reset; + wire dbg_tlu_halted; + wire core_empty; + wire lsu_idle_any_f; + wire ifu_miss_state_idle_f; + wire resume_ack_ns; + wire debug_halt_req_f; + wire debug_resume_req_f_raw; + wire debug_resume_req_f; + wire enter_debug_halt_req; + wire dcsr_single_step_done; + wire dcsr_single_step_done_f; + wire debug_halt_req_d1; + wire debug_halt_req_ns; + wire dcsr_single_step_running; + wire dcsr_single_step_running_f; + wire internal_dbg_halt_timers; + wire [3:0] i0_trigger_r; + wire [3:0] trigger_action; + wire [3:0] trigger_enabled; + wire [3:0] i0_trigger_chain_masked_r; + wire i0_trigger_hit_r; + wire i0_trigger_hit_raw_r; + wire i0_trigger_action_r; + wire trigger_hit_r_d1; + wire mepc_trigger_hit_sel_pc_r; + wire [3:0] update_hit_bit_r; + wire [3:0] i0_iside_trigger_has_pri_r; + wire [3:0] i0trigger_qual_r; + wire [3:0] i0_lsu_trigger_has_pri_r; + wire cpu_halt_status; + wire cpu_halt_ack; + wire cpu_run_ack; + wire ext_halt_pulse; + wire i_cpu_halt_req_d1; + wire i_cpu_run_req_d1; + wire inst_acc_r_raw; + wire trigger_hit_dmode_r; + wire trigger_hit_dmode_r_d1; + wire [9:0] mcgc; + wire [9:0] mcgc_ns; + wire [9:0] mcgc_int; + wire [18:0] mfdc; + wire i_cpu_halt_req_sync_qual; + wire i_cpu_run_req_sync_qual; + wire pmu_fw_halt_req_ns; + wire pmu_fw_halt_req_f; + wire int_timer_stalled; + wire fw_halt_req; + wire enter_pmu_fw_halt_req; + wire pmu_fw_tlu_halted; + wire pmu_fw_tlu_halted_f; + wire internal_pmu_fw_halt_mode; + wire internal_pmu_fw_halt_mode_f; + wire int_timer0_int_hold; + wire int_timer1_int_hold; + wire int_timer0_int_hold_f; + wire int_timer1_int_hold_f; + wire nmi_int_delayed; + wire nmi_int_detected; + wire [3:0] trigger_execute; + wire [3:0] trigger_data; + wire [3:0] trigger_store; + wire dec_tlu_pmu_fw_halted; + wire mpc_run_state_ns; + wire debug_brkpt_status_ns; + wire mpc_debug_halt_ack_ns; + wire mpc_debug_run_ack_ns; + wire dbg_halt_state_ns; + wire dbg_run_state_ns; + wire dbg_halt_state_f; + wire mpc_debug_halt_req_sync_f; + wire mpc_debug_run_req_sync_f; + wire mpc_halt_state_f; + wire mpc_halt_state_ns; + wire mpc_run_state_f; + wire debug_brkpt_status_f; + wire mpc_debug_halt_ack_f; + wire mpc_debug_run_ack_f; + wire dbg_run_state_f; + wire mpc_debug_halt_req_sync_pulse; + wire mpc_debug_run_req_sync_pulse; + wire debug_brkpt_valid; + wire debug_halt_req; + wire debug_resume_req; + wire dec_tlu_mpc_halted_only_ns; + wire take_ext_int_start; + wire ext_int_freeze; + wire take_ext_int_start_d1; + wire take_ext_int_start_d2; + wire take_ext_int_start_d3; + wire ext_int_freeze_d1; + wire csr_meicpct; + wire ignore_ext_int_due_to_lsu_stall; + wire mcause_sel_nmi_store; + wire mcause_sel_nmi_load; + wire mcause_sel_nmi_ext; + wire fast_int_meicpct; + wire [1:0] mcause_fir_error_type; + wire dbg_halt_req_held_ns; + wire dbg_halt_req_held; + wire dbg_halt_req_final; + wire iccm_repair_state_ns; + wire iccm_repair_state_d1; + wire iccm_repair_state_rfnpc; + wire [31:0] dec_timer_rddata_d; + wire dec_timer_read_d; + wire dec_timer_t0_pulse; + wire dec_timer_t1_pulse; + wire csr_mitctl0; + wire csr_mitctl1; + wire csr_mitb0; + wire csr_mitb1; + wire csr_mitcnt0; + wire csr_mitcnt1; + wire nmi_int_sync; + wire timer_int_sync; + wire soft_int_sync; + wire i_cpu_halt_req_sync; + wire i_cpu_run_req_sync; + wire mpc_debug_halt_req_sync; + wire mpc_debug_run_req_sync; + wire mpc_debug_halt_req_sync_raw; + wire csr_wr_clk; + wire e4e5_clk; + wire e4_valid; + wire e5_valid; + wire e4e5_valid; + wire internal_dbg_halt_mode_f; + wire internal_dbg_halt_mode_f2; + wire lsu_pmu_load_external_r; + wire lsu_pmu_store_external_r; + wire dec_tlu_flush_noredir_r_d1; + wire dec_tlu_flush_pause_r_d1; + wire lsu_single_ecc_error_r; + wire [31:0] lsu_error_pkt_addr_r; + wire mcyclel_cout_in; + wire i0_valid_no_ebreak_ecall_r; + wire minstret_enable_f; + wire sel_exu_npc_r; + wire sel_flush_npc_r; + wire sel_hold_npc_r; + wire pc0_valid_r; + wire [15:0] mfdc_int; + wire [15:0] mfdc_ns; + wire [31:0] mrac_in; + wire [31:27] csr_sat; + wire [8:6] dcsr_cause; + wire enter_debug_halt_req_le; + wire dcsr_cause_upgradeable; + wire icache_rd_valid; + wire icache_wr_valid; + wire icache_rd_valid_f; + wire icache_wr_valid_f; + wire [3:0] mhpmc_inc_r; + wire [3:0] mhpmc_inc_r_d1; + wire [39:0] mhpme_vec; + wire mhpmc3_wr_en0; + wire mhpmc3_wr_en1; + wire mhpmc3_wr_en; + wire mhpmc4_wr_en0; + wire mhpmc4_wr_en1; + wire mhpmc4_wr_en; + wire mhpmc5_wr_en0; + wire mhpmc5_wr_en1; + wire mhpmc5_wr_en; + wire mhpmc6_wr_en0; + wire mhpmc6_wr_en1; + wire mhpmc6_wr_en; + wire mhpmc3h_wr_en0; + wire mhpmc3h_wr_en; + wire mhpmc4h_wr_en0; + wire mhpmc4h_wr_en; + wire mhpmc5h_wr_en0; + wire mhpmc5h_wr_en; + wire mhpmc6h_wr_en0; + wire mhpmc6h_wr_en; + wire [63:0] mhpmc3_incr; + wire [63:0] mhpmc4_incr; + wire [63:0] mhpmc5_incr; + wire [63:0] mhpmc6_incr; + wire perfcnt_halted_d1; + wire zero_event_r; + wire [3:0] perfcnt_during_sleep; + wire [9:0] event_r; + wire [3:0] pmu_i0_itype_qual; + wire csr_mfdht; + wire csr_mfdhs; + wire csr_misa; + wire csr_mvendorid; + wire csr_marchid; + wire csr_mimpid; + wire csr_mhartid; + wire csr_mstatus; + wire csr_mtvec; + wire csr_mip; + wire csr_mie; + wire csr_mcyclel; + wire csr_mcycleh; + wire csr_minstretl; + wire csr_minstreth; + wire csr_mscratch; + wire csr_mepc; + wire csr_mcause; + wire csr_mscause; + wire csr_mtval; + wire csr_mrac; + wire csr_dmst; + wire csr_mdseac; + wire csr_meihap; + wire csr_meivt; + wire csr_meipt; + wire csr_meicurpl; + wire csr_meicidpl; + wire csr_dcsr; + wire csr_mcgc; + wire csr_mfdc; + wire csr_dpc; + wire csr_mtsel; + wire csr_mtdata1; + wire csr_mtdata2; + wire csr_mhpmc3; + wire csr_mhpmc4; + wire csr_mhpmc5; + wire csr_mhpmc6; + wire csr_mhpmc3h; + wire csr_mhpmc4h; + wire csr_mhpmc5h; + wire csr_mhpmc6h; + wire csr_mhpme3; + wire csr_mhpme4; + wire csr_mhpme5; + wire csr_mhpme6; + wire csr_mcountinhibit; + wire csr_mpmc; + wire csr_micect; + wire csr_miccmect; + wire csr_mdccmect; + wire csr_dicawics; + wire csr_dicad0h; + wire csr_dicad0; + wire csr_dicad1; + wire csr_dicago; + wire presync; + wire postsync; + wire legal; + wire dec_csr_wen_r_mod; + wire flush_clkvalid; + wire sel_fir_addr; + wire wr_mie_r; + wire mtval_capture_pc_r; + wire mtval_capture_pc_plus2_r; + wire mtval_capture_inst_r; + wire mtval_capture_lsu_r; + wire mtval_clear_r; + wire wr_mcgc_r; + wire wr_mfdc_r; + wire wr_mdeau_r; + wire trigger_hit_for_dscr_cause_r_d1; + wire conditionally_illegal; + wire [3:0] ifu_mscause; + wire ifu_ic_error_start_f; + wire ifu_iccm_rd_ecc_single_err_f; + eb1_dec_timer_ctl #(.pt(pt)) int_timers( + .clk(clk), + .free_l2clk(free_l2clk), + .csr_wr_clk(csr_wr_clk), + .rst_l(rst_l), + .dec_csr_wen_r_mod(dec_csr_wen_r_mod), + .dec_csr_wraddr_r(dec_csr_wraddr_r), + .dec_csr_wrdata_r(dec_csr_wrdata_r), + .csr_mitctl0(csr_mitctl0), + .csr_mitctl1(csr_mitctl1), + .csr_mitb0(csr_mitb0), + .csr_mitb1(csr_mitb1), + .csr_mitcnt0(csr_mitcnt0), + .csr_mitcnt1(csr_mitcnt1), + .dec_pause_state(dec_pause_state), + .dec_tlu_pmu_fw_halted(dec_tlu_pmu_fw_halted), + .internal_dbg_halt_timers(internal_dbg_halt_timers), + .dec_timer_rddata_d(dec_timer_rddata_d), + .dec_timer_read_d(dec_timer_read_d), + .dec_timer_t0_pulse(dec_timer_t0_pulse), + .dec_timer_t1_pulse(dec_timer_t1_pulse), + .scan_mode(scan_mode) + ); + assign clk_override = dec_tlu_dec_clk_override; + rvsyncss #(.WIDTH(7)) syncro_ff( + .rst_l(rst_l), + .clk(free_clk), + .din({nmi_int, timer_int, soft_int, i_cpu_halt_req, i_cpu_run_req, mpc_debug_halt_req, mpc_debug_run_req}), + .dout({nmi_int_sync, timer_int_sync, soft_int_sync, i_cpu_halt_req_sync, i_cpu_run_req_sync, mpc_debug_halt_req_sync_raw, mpc_debug_run_req_sync}) + ); + rvoclkhdr csrwr_r_cgc( + .en(dec_csr_wen_r_mod | clk_override), + .l1clk(csr_wr_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + assign e4_valid = dec_tlu_i0_valid_r; + assign e4e5_valid = e4_valid | e5_valid; + assign flush_clkvalid = ((((((((internal_dbg_halt_mode_f | i_cpu_run_req_d1) | interrupt_valid_r) | interrupt_valid_r_d1) | reset_delayed) | pause_expired_r) | pause_expired_wb) | ic_perr_r) | iccm_sbecc_r) | clk_override; + rvoclkhdr e4e5_cgc( + .en(e4e5_valid | clk_override), + .l1clk(e4e5_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr e4e5_int_cgc( + .en(e4e5_valid | flush_clkvalid), + .l1clk(e4e5_int_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvdffie #(.WIDTH(11)) freeff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({ifu_ic_error_start, ifu_iccm_rd_ecc_single_err, iccm_repair_state_ns, e4_valid, internal_dbg_halt_mode, lsu_pmu_load_external_m, lsu_pmu_store_external_m, tlu_flush_lower_r, tlu_i0_kill_writeb_r, internal_dbg_halt_mode_f, force_halt}), + .dout({ifu_ic_error_start_f, ifu_iccm_rd_ecc_single_err_f, iccm_repair_state_d1, e5_valid, internal_dbg_halt_mode_f, lsu_pmu_load_external_r, lsu_pmu_store_external_r, tlu_flush_lower_r_d1, dec_tlu_i0_kill_writeb_wb, internal_dbg_halt_mode_f2, dec_tlu_force_halt}) + ); + assign dec_tlu_i0_kill_writeb_r = tlu_i0_kill_writeb_r; + assign nmi_int_detected = (((nmi_int_sync & ~nmi_int_delayed) | nmi_lsu_detected) | (nmi_int_detected_f & ~take_nmi_r_d1)) | nmi_fir_type; + assign nmi_lsu_load_type = ((nmi_lsu_detected & lsu_imprecise_error_load_any) & ~(nmi_int_detected_f & ~take_nmi_r_d1)) | (nmi_lsu_load_type_f & ~take_nmi_r_d1); + assign nmi_lsu_store_type = ((nmi_lsu_detected & lsu_imprecise_error_store_any) & ~(nmi_int_detected_f & ~take_nmi_r_d1)) | (nmi_lsu_store_type_f & ~take_nmi_r_d1); + assign nmi_fir_type = (~nmi_int_detected_f & take_ext_int_start_d3) & |lsu_fir_error[1:0]; + assign nmi_lsu_detected = (~mdseac_locked_f & (lsu_imprecise_error_load_any | lsu_imprecise_error_store_any)) & ~nmi_fir_type; + localparam MSTATUS_MIE = 0; + localparam MIP_MCEIP = 5; + localparam MIP_MITIP0 = 4; + localparam MIP_MITIP1 = 3; + localparam MIP_MEIP = 2; + localparam MIP_MTIP = 1; + localparam MIP_MSIP = 0; + localparam MIE_MCEIE = 5; + localparam MIE_MITIE0 = 4; + localparam MIE_MITIE1 = 3; + localparam MIE_MEIE = 2; + localparam MIE_MTIE = 1; + localparam MIE_MSIE = 0; + localparam DCSR_EBREAKM = 15; + localparam DCSR_STEPIE = 11; + localparam DCSR_STOPC = 10; + localparam DCSR_STEP = 2; + assign reset_delayed = reset_detect ^ reset_detected; + assign mpc_debug_halt_req_sync = mpc_debug_halt_req_sync_raw & ~ext_int_freeze_d1; + rvdffie #(.WIDTH(16)) mpvhalt_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({1'b1, reset_detect, nmi_int_sync, nmi_int_detected, nmi_lsu_load_type, nmi_lsu_store_type, mpc_debug_halt_req_sync, mpc_debug_run_req_sync, mpc_halt_state_ns, mpc_run_state_ns, debug_brkpt_status_ns, mpc_debug_halt_ack_ns, mpc_debug_run_ack_ns, dbg_halt_state_ns, dbg_run_state_ns, dec_tlu_mpc_halted_only_ns}), + .dout({reset_detect, reset_detected, nmi_int_delayed, nmi_int_detected_f, nmi_lsu_load_type_f, nmi_lsu_store_type_f, mpc_debug_halt_req_sync_f, mpc_debug_run_req_sync_f, mpc_halt_state_f, mpc_run_state_f, debug_brkpt_status_f, mpc_debug_halt_ack_f, mpc_debug_run_ack_f, dbg_halt_state_f, dbg_run_state_f, dec_tlu_mpc_halted_only}) + ); + assign mpc_debug_halt_req_sync_pulse = mpc_debug_halt_req_sync & ~mpc_debug_halt_req_sync_f; + assign mpc_debug_run_req_sync_pulse = mpc_debug_run_req_sync & ~mpc_debug_run_req_sync_f; + assign mpc_halt_state_ns = ((mpc_halt_state_f | mpc_debug_halt_req_sync_pulse) | (reset_delayed & ~mpc_reset_run_req)) & ~mpc_debug_run_req_sync; + assign mpc_run_state_ns = (mpc_run_state_f | (mpc_debug_run_req_sync_pulse & ~mpc_debug_run_ack_f)) & (internal_dbg_halt_mode_f & ~dcsr_single_step_running_f); + assign dbg_halt_state_ns = (dbg_halt_state_f | (((dbg_halt_req_final | dcsr_single_step_done_f) | trigger_hit_dmode_r_d1) | ebreak_to_debug_mode_r_d1)) & ~dbg_resume_req; + assign dbg_run_state_ns = (dbg_run_state_f | dbg_resume_req) & (internal_dbg_halt_mode_f & ~dcsr_single_step_running_f); + assign dec_tlu_mpc_halted_only_ns = ~dbg_halt_state_f & mpc_halt_state_f; + assign debug_brkpt_valid = ebreak_to_debug_mode_r_d1 | trigger_hit_dmode_r_d1; + assign debug_brkpt_status_ns = (debug_brkpt_valid | debug_brkpt_status_f) & (internal_dbg_halt_mode & ~dcsr_single_step_running_f); + assign mpc_debug_halt_ack_ns = ((mpc_halt_state_f & internal_dbg_halt_mode_f) & mpc_debug_halt_req_sync) & core_empty; + assign mpc_debug_run_ack_ns = ((mpc_debug_run_req_sync & ~dbg_halt_state_ns) & ~mpc_debug_halt_req_sync) | (mpc_debug_run_ack_f & mpc_debug_run_req_sync); + assign mpc_debug_halt_ack = mpc_debug_halt_ack_f; + assign mpc_debug_run_ack = mpc_debug_run_ack_f; + assign debug_brkpt_status = debug_brkpt_status_f; + assign dbg_halt_req_held_ns = (dbg_halt_req | dbg_halt_req_held) & ext_int_freeze_d1; + assign dbg_halt_req_final = (dbg_halt_req | dbg_halt_req_held) & ~ext_int_freeze_d1; + assign debug_halt_req = (((dbg_halt_req_final | mpc_debug_halt_req_sync) | (reset_delayed & ~mpc_reset_run_req)) & ~internal_dbg_halt_mode_f) & ~ext_int_freeze_d1; + assign debug_resume_req = ~debug_resume_req_f & ((mpc_run_state_ns & ~dbg_halt_state_ns) | (dbg_run_state_ns & ~mpc_halt_state_ns)); + assign take_halt = (((((debug_halt_req_f | pmu_fw_halt_req_f) & ~synchronous_flush_r) & ~mret_r) & ~halt_taken_f) & ~dec_tlu_flush_noredir_r_d1) & ~take_reset; + assign halt_taken = ((dec_tlu_flush_noredir_r_d1 & ~dec_tlu_flush_pause_r_d1) & ~take_ext_int_start_d1) | (((halt_taken_f & ~dbg_tlu_halted_f) & ~pmu_fw_tlu_halted_f) & ~interrupt_valid_r_d1); + assign core_empty = force_halt | ((((((lsu_idle_any & lsu_idle_any_f) & ifu_miss_state_idle) & ifu_miss_state_idle_f) & ~debug_halt_req) & ~debug_halt_req_d1) & ~dec_div_active); + assign dec_tlu_core_empty = core_empty; + assign enter_debug_halt_req = (((~internal_dbg_halt_mode_f & debug_halt_req) | dcsr_single_step_done_f) | trigger_hit_dmode_r_d1) | ebreak_to_debug_mode_r_d1; + assign internal_dbg_halt_mode = debug_halt_req_ns | (internal_dbg_halt_mode_f & ~(debug_resume_req_f & ~dcsr[DCSR_STEP])); + assign allow_dbg_halt_csr_write = internal_dbg_halt_mode_f & ~dcsr_single_step_running_f; + assign debug_halt_req_ns = enter_debug_halt_req | (debug_halt_req_f & ~dbg_tlu_halted); + assign dbg_tlu_halted = ((debug_halt_req_f & core_empty) & halt_taken) | (dbg_tlu_halted_f & ~debug_resume_req_f); + assign resume_ack_ns = (debug_resume_req_f & dbg_tlu_halted_f) & dbg_run_state_ns; + assign dcsr_single_step_done = ((dec_tlu_i0_valid_r & ~dec_tlu_dbg_halted) & dcsr[DCSR_STEP]) & ~rfpc_i0_r; + assign dcsr_single_step_running = (debug_resume_req_f & dcsr[DCSR_STEP]) | (dcsr_single_step_running_f & ~dcsr_single_step_done_f); + assign dbg_cmd_done_ns = dec_tlu_i0_valid_r & dec_tlu_dbg_halted; + assign request_debug_mode_r = (trigger_hit_dmode_r | ebreak_to_debug_mode_r) | (request_debug_mode_r_d1 & ~dec_tlu_flush_lower_wb); + assign request_debug_mode_done = (request_debug_mode_r_d1 | request_debug_mode_done_f) & ~dbg_tlu_halted_f; + rvdffie #(.WIDTH(18)) halt_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({dec_tlu_flush_noredir_r, halt_taken, lsu_idle_any, ifu_miss_state_idle, dbg_tlu_halted, resume_ack_ns, debug_halt_req_ns, debug_resume_req, trigger_hit_dmode_r, dcsr_single_step_done, debug_halt_req, dec_tlu_wr_pause_r, dec_pause_state, request_debug_mode_r, request_debug_mode_done, dcsr_single_step_running, dec_tlu_flush_pause_r, dbg_halt_req_held_ns}), + .dout({dec_tlu_flush_noredir_r_d1, halt_taken_f, lsu_idle_any_f, ifu_miss_state_idle_f, dbg_tlu_halted_f, dec_tlu_resume_ack, debug_halt_req_f, debug_resume_req_f_raw, trigger_hit_dmode_r_d1, dcsr_single_step_done_f, debug_halt_req_d1, dec_tlu_wr_pause_r_d1, dec_pause_state_f, request_debug_mode_r_d1, request_debug_mode_done_f, dcsr_single_step_running_f, dec_tlu_flush_pause_r_d1, dbg_halt_req_held}) + ); + assign debug_resume_req_f = debug_resume_req_f_raw & ~dbg_halt_req; + assign dec_tlu_debug_stall = debug_halt_req_f; + assign dec_tlu_dbg_halted = dbg_tlu_halted_f; + assign dec_tlu_debug_mode = internal_dbg_halt_mode_f; + assign dec_tlu_pmu_fw_halted = pmu_fw_tlu_halted_f; + assign dec_tlu_flush_noredir_r = (((take_halt | (fence_i_r & internal_dbg_halt_mode)) | dec_tlu_flush_pause_r) | (i0_trigger_hit_r & trigger_hit_dmode_r)) | take_ext_int_start; + assign dec_tlu_flush_extint = take_ext_int_start; + assign dec_tlu_flush_pause_r = (dec_tlu_wr_pause_r_d1 & ~interrupt_valid_r) & ~take_ext_int_start; + assign pause_expired_r = (((((~dec_pause_state & dec_pause_state_f) & ~(((((((ext_int_ready | ce_int_ready) | timer_int_ready) | soft_int_ready) | int_timer0_int_hold_f) | int_timer1_int_hold_f) | nmi_int_detected) | ext_int_freeze_d1)) & ~interrupt_valid_r_d1) & ~debug_halt_req_f) & ~pmu_fw_halt_req_f) & ~halt_taken_f; + assign dec_tlu_flush_leak_one_r = ((dec_tlu_flush_lower_r & dcsr[DCSR_STEP]) & (dec_tlu_resume_ack | dcsr_single_step_running)) & ~dec_tlu_flush_noredir_r; + assign dec_tlu_flush_err_r = dec_tlu_flush_lower_r & (ic_perr_r | iccm_sbecc_r); + assign dec_dbg_cmd_done = dbg_cmd_done_ns; + assign dec_dbg_cmd_fail = illegal_r & dec_dbg_cmd_done; + localparam MTDATA1_DMODE = 9; + localparam MTDATA1_SEL = 7; + localparam MTDATA1_ACTION = 6; + localparam MTDATA1_CHAIN = 5; + localparam MTDATA1_MATCH = 4; + localparam MTDATA1_M_ENABLED = 3; + localparam MTDATA1_EXE = 2; + localparam MTDATA1_ST = 1; + localparam MTDATA1_LD = 0; + assign trigger_execute[3:0] = {mtdata1_t3[MTDATA1_EXE], mtdata1_t2[MTDATA1_EXE], mtdata1_t1[MTDATA1_EXE], mtdata1_t0[MTDATA1_EXE]}; + assign trigger_data[3:0] = {mtdata1_t3[MTDATA1_SEL], mtdata1_t2[MTDATA1_SEL], mtdata1_t1[MTDATA1_SEL], mtdata1_t0[MTDATA1_SEL]}; + assign trigger_store[3:0] = {mtdata1_t3[MTDATA1_ST], mtdata1_t2[MTDATA1_ST], mtdata1_t1[MTDATA1_ST], mtdata1_t0[MTDATA1_ST]}; + assign trigger_enabled[3:0] = {(mtdata1_t3[MTDATA1_ACTION] | mstatus[MSTATUS_MIE]) & mtdata1_t3[MTDATA1_M_ENABLED], (mtdata1_t2[MTDATA1_ACTION] | mstatus[MSTATUS_MIE]) & mtdata1_t2[MTDATA1_M_ENABLED], (mtdata1_t1[MTDATA1_ACTION] | mstatus[MSTATUS_MIE]) & mtdata1_t1[MTDATA1_M_ENABLED], (mtdata1_t0[MTDATA1_ACTION] | mstatus[MSTATUS_MIE]) & mtdata1_t0[MTDATA1_M_ENABLED]}; + assign i0_iside_trigger_has_pri_r[3:0] = ~(((trigger_execute[3:0] & trigger_data[3:0]) & {4 {inst_acc_r_raw}}) | {4 {exu_i0_br_error_r | exu_i0_br_start_error_r}}); + assign i0_lsu_trigger_has_pri_r[3:0] = ~((trigger_store[3:0] & trigger_data[3:0]) & {4 {lsu_i0_exc_r_raw}}); + assign i0_trigger_eval_r = dec_tlu_i0_valid_r; + assign i0trigger_qual_r[3:0] = ((({4 {i0_trigger_eval_r}} & dec_tlu_packet_r[11:8]) & i0_iside_trigger_has_pri_r[3:0]) & i0_lsu_trigger_has_pri_r[3:0]) & trigger_enabled[3:0]; + assign i0_trigger_r[3:0] = ~{4 {dec_tlu_flush_lower_wb | dec_tlu_dbg_halted}} & i0trigger_qual_r[3:0]; + assign i0_trigger_chain_masked_r[3:0] = {i0_trigger_r[3] & (~mtdata1_t2[MTDATA1_CHAIN] | i0_trigger_r[2]), i0_trigger_r[2] & (~mtdata1_t2[MTDATA1_CHAIN] | i0_trigger_r[3]), i0_trigger_r[1] & (~mtdata1_t0[MTDATA1_CHAIN] | i0_trigger_r[0]), i0_trigger_r[0] & (~mtdata1_t0[MTDATA1_CHAIN] | i0_trigger_r[1])}; + assign i0_trigger_hit_raw_r = |i0_trigger_chain_masked_r[3:0]; + assign i0_trigger_hit_r = i0_trigger_hit_raw_r; + assign trigger_action[3:0] = {mtdata1_t3[MTDATA1_ACTION] & mtdata1_t3[MTDATA1_DMODE], (mtdata1_t2[MTDATA1_ACTION] & mtdata1_t2[MTDATA1_DMODE]) & ~mtdata1_t2[MTDATA1_CHAIN], mtdata1_t1[MTDATA1_ACTION] & mtdata1_t1[MTDATA1_DMODE], (mtdata1_t0[MTDATA1_ACTION] & mtdata1_t0[MTDATA1_DMODE]) & ~mtdata1_t0[MTDATA1_CHAIN]}; + assign update_hit_bit_r[3:0] = {4 {|i0_trigger_r[3:0] & ~rfpc_i0_r}} & {i0_trigger_chain_masked_r[3], i0_trigger_r[2], i0_trigger_chain_masked_r[1], i0_trigger_r[0]}; + assign i0_trigger_action_r = |(i0_trigger_chain_masked_r[3:0] & trigger_action[3:0]); + assign trigger_hit_dmode_r = i0_trigger_hit_r & i0_trigger_action_r; + assign mepc_trigger_hit_sel_pc_r = i0_trigger_hit_r & ~trigger_hit_dmode_r; + assign i_cpu_halt_req_sync_qual = (i_cpu_halt_req_sync & ~dec_tlu_debug_mode) & ~ext_int_freeze_d1; + assign i_cpu_run_req_sync_qual = ((i_cpu_run_req_sync & ~dec_tlu_debug_mode) & pmu_fw_tlu_halted_f) & ~ext_int_freeze_d1; + rvdffie #(.WIDTH(10)) exthaltff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({i_cpu_halt_req_sync_qual, i_cpu_run_req_sync_qual, cpu_halt_status, cpu_halt_ack, cpu_run_ack, internal_pmu_fw_halt_mode, pmu_fw_halt_req_ns, pmu_fw_tlu_halted, int_timer0_int_hold, int_timer1_int_hold}), + .dout({i_cpu_halt_req_d1, i_cpu_run_req_d1_raw, o_cpu_halt_status, o_cpu_halt_ack, o_cpu_run_ack, internal_pmu_fw_halt_mode_f, pmu_fw_halt_req_f, pmu_fw_tlu_halted_f, int_timer0_int_hold_f, int_timer1_int_hold_f}) + ); + assign ext_halt_pulse = i_cpu_halt_req_sync_qual & ~i_cpu_halt_req_d1; + assign enter_pmu_fw_halt_req = ext_halt_pulse | fw_halt_req; + assign pmu_fw_halt_req_ns = (enter_pmu_fw_halt_req | (pmu_fw_halt_req_f & ~pmu_fw_tlu_halted)) & ~debug_halt_req_f; + assign internal_pmu_fw_halt_mode = pmu_fw_halt_req_ns | ((internal_pmu_fw_halt_mode_f & ~i_cpu_run_req_d1) & ~debug_halt_req_f); + assign pmu_fw_tlu_halted = ((((pmu_fw_halt_req_f & core_empty) & halt_taken) & ~enter_debug_halt_req) | (pmu_fw_tlu_halted_f & ~i_cpu_run_req_d1)) & ~debug_halt_req_f; + assign cpu_halt_ack = (i_cpu_halt_req_d1 & pmu_fw_tlu_halted_f) | (o_cpu_halt_ack & i_cpu_halt_req_sync); + assign cpu_halt_status = (pmu_fw_tlu_halted_f & ~i_cpu_run_req_d1) | ((o_cpu_halt_status & ~i_cpu_run_req_d1) & ~internal_dbg_halt_mode_f); + assign cpu_run_ack = ((~pmu_fw_tlu_halted_f & i_cpu_run_req_sync) | (o_cpu_halt_status & i_cpu_run_req_d1_raw)) | (o_cpu_run_ack & i_cpu_run_req_sync); + assign debug_mode_status = internal_dbg_halt_mode_f; + assign o_debug_mode_status = debug_mode_status; + assign i_cpu_run_req_d1 = i_cpu_run_req_d1_raw | (((((((nmi_int_detected | timer_int_ready) | soft_int_ready) | int_timer0_int_hold_f) | int_timer1_int_hold_f) | (mhwakeup & mhwakeup_ready)) & o_cpu_halt_status) & ~i_cpu_halt_req_d1); + assign lsu_single_ecc_error_r = lsu_single_ecc_error_incr; + assign lsu_error_pkt_addr_r[31:0] = lsu_error_pkt_r[33:2]; + assign lsu_exc_valid_r_raw = lsu_error_pkt_r[0] & ~dec_tlu_flush_lower_wb; + assign lsu_i0_exc_r_raw = lsu_error_pkt_r[0]; + assign lsu_i0_exc_r = ((lsu_i0_exc_r_raw & lsu_exc_valid_r_raw) & ~i0_trigger_hit_r) & ~rfpc_i0_r; + assign lsu_exc_valid_r = lsu_i0_exc_r; + assign lsu_exc_ma_r = lsu_i0_exc_r & ~lsu_error_pkt_r[38]; + assign lsu_exc_acc_r = lsu_i0_exc_r & lsu_error_pkt_r[38]; + assign lsu_exc_st_r = lsu_i0_exc_r & lsu_error_pkt_r[39]; + assign lsu_i0_rfnpc_r = (dec_tlu_i0_valid_r & ~i0_trigger_hit_r) & (~lsu_error_pkt_r[39] & lsu_error_pkt_r[1]); + assign tlu_i0_commit_cmt = (((((dec_tlu_i0_valid_r & ~rfpc_i0_r) & ~lsu_i0_exc_r) & ~inst_acc_r) & ~dec_tlu_dbg_halted) & ~request_debug_mode_r_d1) & ~i0_trigger_hit_r; + assign tlu_i0_kill_writeb_r = (((rfpc_i0_r | lsu_i0_exc_r) | inst_acc_r) | (illegal_r & dec_tlu_dbg_halted)) | i0_trigger_hit_r; + assign dec_tlu_i0_commit_cmt = tlu_i0_commit_cmt; + assign rfpc_i0_r = ((((dec_tlu_i0_valid_r & ~tlu_flush_lower_r_d1) & (exu_i0_br_error_r | exu_i0_br_start_error_r)) | ((ic_perr_r | iccm_sbecc_r) & ~ext_int_freeze_d1)) & ~i0_trigger_hit_r) & ~lsu_i0_rfnpc_r; + assign iccm_repair_state_ns = iccm_sbecc_r | (iccm_repair_state_d1 & ~dec_tlu_flush_lower_r); + localparam MCPC = 12'h7c2; + assign iccm_repair_state_rfnpc = (tlu_i0_commit_cmt & iccm_repair_state_d1) & ~(((((ebreak_r | ecall_r) | mret_r) | take_reset) | illegal_r) | (dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCPC))); + generate + if (pt[2130-:5] == 1) begin + assign dec_tlu_br0_error_r = (exu_i0_br_error_r & dec_tlu_i0_valid_r) & ~tlu_flush_lower_r_d1; + assign dec_tlu_br0_start_error_r = (exu_i0_br_start_error_r & dec_tlu_i0_valid_r) & ~tlu_flush_lower_r_d1; + assign dec_tlu_br0_v_r = ((exu_i0_br_valid_r & dec_tlu_i0_valid_r) & ~tlu_flush_lower_r_d1) & (~exu_i0_br_mp_r | ~exu_pmu_i0_br_ataken); + assign dec_tlu_br0_r_pkt[5:4] = exu_i0_br_hist_r[1:0]; + assign dec_tlu_br0_r_pkt[3] = dec_tlu_br0_error_r; + assign dec_tlu_br0_r_pkt[2] = dec_tlu_br0_start_error_r; + assign dec_tlu_br0_r_pkt[6] = dec_tlu_br0_v_r; + assign dec_tlu_br0_r_pkt[1] = exu_i0_br_way_r; + assign dec_tlu_br0_r_pkt[0] = exu_i0_br_middle_r; + end + else begin + assign dec_tlu_br0_error_r = 1'b0; + assign dec_tlu_br0_start_error_r = 1'b0; + assign dec_tlu_br0_v_r = 1'b0; + assign dec_tlu_br0_r_pkt = {7 {1'sb0}}; + end + endgenerate + localparam [3:0] eb1_pkg_EBREAK = 4'b1000; + assign ebreak_r = ((((dec_tlu_packet_r[3-:4] == eb1_pkg_EBREAK) & dec_tlu_i0_valid_r) & ~i0_trigger_hit_r) & ~dcsr[DCSR_EBREAKM]) & ~rfpc_i0_r; + localparam [3:0] eb1_pkg_ECALL = 4'b1001; + assign ecall_r = (((dec_tlu_packet_r[3-:4] == eb1_pkg_ECALL) & dec_tlu_i0_valid_r) & ~i0_trigger_hit_r) & ~rfpc_i0_r; + assign illegal_r = ((~dec_tlu_packet_r[5] & dec_tlu_i0_valid_r) & ~i0_trigger_hit_r) & ~rfpc_i0_r; + localparam [3:0] eb1_pkg_MRET = 4'b1100; + assign mret_r = (((dec_tlu_packet_r[3-:4] == eb1_pkg_MRET) & dec_tlu_i0_valid_r) & ~i0_trigger_hit_r) & ~rfpc_i0_r; + assign fence_i_r = ((dec_tlu_packet_r[12] & dec_tlu_i0_valid_r) & ~i0_trigger_hit_r) & ~rfpc_i0_r; + assign ic_perr_r = ((ifu_ic_error_start_f & ~ext_int_freeze_d1) & (~internal_dbg_halt_mode_f | dcsr_single_step_running)) & ~internal_pmu_fw_halt_mode_f; + assign iccm_sbecc_r = ((ifu_iccm_rd_ecc_single_err_f & ~ext_int_freeze_d1) & (~internal_dbg_halt_mode_f | dcsr_single_step_running)) & ~internal_pmu_fw_halt_mode_f; + assign inst_acc_r_raw = dec_tlu_packet_r[16] & dec_tlu_i0_valid_r; + assign inst_acc_r = (inst_acc_r_raw & ~rfpc_i0_r) & ~i0_trigger_hit_r; + assign inst_acc_second_r = dec_tlu_packet_r[15]; + assign ebreak_to_debug_mode_r = ((((dec_tlu_packet_r[3-:4] == eb1_pkg_EBREAK) & dec_tlu_i0_valid_r) & ~i0_trigger_hit_r) & dcsr[DCSR_EBREAKM]) & ~rfpc_i0_r; + rvdff #(.WIDTH(1)) exctype_wb_ff( + .rst_l(rst_l), + .clk(e4e5_clk), + .din(ebreak_to_debug_mode_r), + .dout(ebreak_to_debug_mode_r_d1) + ); + assign dec_tlu_fence_i_r = fence_i_r; + assign i0_exception_valid_r = ((((ebreak_r | ecall_r) | illegal_r) | inst_acc_r) & ~rfpc_i0_r) & ~dec_tlu_dbg_halted; + assign exc_cause_r[4:0] = (((((((((((((({5 {take_ext_int}} & 5'h0b) | ({5 {take_timer_int}} & 5'h07)) | ({5 {take_soft_int}} & 5'h03)) | ({5 {take_int_timer0_int}} & 5'h1d)) | ({5 {take_int_timer1_int}} & 5'h1c)) | ({5 {take_ce_int}} & 5'h1e)) | ({5 {illegal_r}} & 5'h02)) | ({5 {ecall_r}} & 5'h0b)) | ({5 {inst_acc_r}} & 5'h01)) | ({5 {ebreak_r | i0_trigger_hit_r}} & 5'h03)) | ({5 {lsu_exc_ma_r & ~lsu_exc_st_r}} & 5'h04)) | ({5 {lsu_exc_acc_r & ~lsu_exc_st_r}} & 5'h05)) | ({5 {lsu_exc_ma_r & lsu_exc_st_r}} & 5'h06)) | ({5 {lsu_exc_acc_r & lsu_exc_st_r}} & 5'h07)) & ~{5 {take_nmi}}; + assign mhwakeup_ready = ((~dec_csr_stall_int_ff & mstatus_mie_ns) & mip[MIP_MEIP]) & mie_ns[MIE_MEIE]; + assign ext_int_ready = (((~dec_csr_stall_int_ff & mstatus_mie_ns) & mip[MIP_MEIP]) & mie_ns[MIE_MEIE]) & ~ignore_ext_int_due_to_lsu_stall; + assign ce_int_ready = ((~dec_csr_stall_int_ff & mstatus_mie_ns) & mip[MIP_MCEIP]) & mie_ns[MIE_MCEIE]; + assign soft_int_ready = ((~dec_csr_stall_int_ff & mstatus_mie_ns) & mip[MIP_MSIP]) & mie_ns[MIE_MSIE]; + assign timer_int_ready = ((~dec_csr_stall_int_ff & mstatus_mie_ns) & mip[MIP_MTIP]) & mie_ns[MIE_MTIE]; + assign int_timer0_int_possible = mstatus_mie_ns & mie_ns[MIE_MITIE0]; + assign int_timer0_int_ready = mip[MIP_MITIP0] & int_timer0_int_possible; + assign int_timer1_int_possible = mstatus_mie_ns & mie_ns[MIE_MITIE1]; + assign int_timer1_int_ready = mip[MIP_MITIP1] & int_timer1_int_possible; + assign int_timer_stalled = ((dec_csr_stall_int_ff | synchronous_flush_r) | exc_or_int_valid_r_d1) | mret_r; + assign int_timer0_int_hold = (int_timer0_int_ready & (pmu_fw_tlu_halted_f | int_timer_stalled)) | ((((int_timer0_int_possible & int_timer0_int_hold_f) & ~interrupt_valid_r) & ~take_ext_int_start) & ~internal_dbg_halt_mode_f); + assign int_timer1_int_hold = (int_timer1_int_ready & (pmu_fw_tlu_halted_f | int_timer_stalled)) | ((((int_timer1_int_possible & int_timer1_int_hold_f) & ~interrupt_valid_r) & ~take_ext_int_start) & ~internal_dbg_halt_mode_f); + assign internal_dbg_halt_timers = internal_dbg_halt_mode_f & ~dcsr_single_step_running; + assign block_interrupts = ((((((((internal_dbg_halt_mode & (~dcsr_single_step_running | dec_tlu_i0_valid_r)) | internal_pmu_fw_halt_mode) | i_cpu_halt_req_d1) | take_nmi) | ebreak_to_debug_mode_r) | synchronous_flush_r) | exc_or_int_valid_r_d1) | mret_r) | ext_int_freeze_d1; + generate + if (pt[1227-:5]) begin + assign take_ext_int_start = ext_int_ready & ~block_interrupts; + assign ext_int_freeze = ((take_ext_int_start | take_ext_int_start_d1) | take_ext_int_start_d2) | take_ext_int_start_d3; + assign take_ext_int = take_ext_int_start_d3 & ~|lsu_fir_error[1:0]; + assign fast_int_meicpct = csr_meicpct & dec_csr_any_unq_d; + assign ignore_ext_int_due_to_lsu_stall = lsu_fastint_stall_any; + end + else begin + assign take_ext_int_start = 1'b0; + assign ext_int_freeze = 1'b0; + assign ext_int_freeze_d1 = 1'b0; + assign take_ext_int_start_d1 = 1'b0; + assign take_ext_int_start_d2 = 1'b0; + assign take_ext_int_start_d3 = 1'b0; + assign fast_int_meicpct = 1'b0; + assign ignore_ext_int_due_to_lsu_stall = 1'b0; + assign take_ext_int = ext_int_ready & ~block_interrupts; + end + endgenerate + assign take_ce_int = (ce_int_ready & ~ext_int_ready) & ~block_interrupts; + assign take_soft_int = ((soft_int_ready & ~ext_int_ready) & ~ce_int_ready) & ~block_interrupts; + assign take_timer_int = (((timer_int_ready & ~soft_int_ready) & ~ext_int_ready) & ~ce_int_ready) & ~block_interrupts; + assign take_int_timer0_int = (((((((int_timer0_int_ready | int_timer0_int_hold_f) & int_timer0_int_possible) & ~dec_csr_stall_int_ff) & ~timer_int_ready) & ~soft_int_ready) & ~ext_int_ready) & ~ce_int_ready) & ~block_interrupts; + assign take_int_timer1_int = ((((((((int_timer1_int_ready | int_timer1_int_hold_f) & int_timer1_int_possible) & ~dec_csr_stall_int_ff) & ~(int_timer0_int_ready | int_timer0_int_hold_f)) & ~timer_int_ready) & ~soft_int_ready) & ~ext_int_ready) & ~ce_int_ready) & ~block_interrupts; + assign take_reset = reset_delayed & mpc_reset_run_req; + assign take_nmi = ((((((nmi_int_detected & ~internal_pmu_fw_halt_mode) & (~internal_dbg_halt_mode | (((dcsr_single_step_running_f & dcsr[DCSR_STEPIE]) & ~dec_tlu_i0_valid_r) & ~dcsr_single_step_done_f))) & ~synchronous_flush_r) & ~mret_r) & ~take_reset) & ~ebreak_to_debug_mode_r) & (~ext_int_freeze_d1 | (take_ext_int_start_d3 & |lsu_fir_error[1:0])); + assign interrupt_valid_r = (((((take_ext_int | take_timer_int) | take_soft_int) | take_nmi) | take_ce_int) | take_int_timer0_int) | take_int_timer1_int; + assign vectored_path[31:1] = {mtvec[30:1], 1'b0} + {25'b0000000000000000000000000, exc_cause_r[4:0], 1'b0}; + assign interrupt_path[31:1] = (take_nmi ? nmi_vec[31:1] : (mtvec[0] == 1'b1 ? vectored_path[31:1] : {mtvec[30:1], 1'b0})); + assign sel_npc_r = (((lsu_i0_rfnpc_r | fence_i_r) | iccm_repair_state_rfnpc) | (i_cpu_run_req_d1 & ~interrupt_valid_r)) | (rfpc_i0_r & ~dec_tlu_i0_valid_r); + assign sel_npc_resume = (i_cpu_run_req_d1 & pmu_fw_tlu_halted_f) | pause_expired_r; + assign sel_fir_addr = take_ext_int_start_d3 & ~|lsu_fir_error[1:0]; + assign synchronous_flush_r = ((((((((i0_exception_valid_r | rfpc_i0_r) | lsu_exc_valid_r) | fence_i_r) | lsu_i0_rfnpc_r) | iccm_repair_state_rfnpc) | debug_resume_req_f) | sel_npc_resume) | dec_tlu_wr_pause_r_d1) | i0_trigger_hit_r; + assign tlu_flush_lower_r = ((((interrupt_valid_r | mret_r) | synchronous_flush_r) | take_halt) | take_reset) | take_ext_int_start; + assign tlu_flush_path_r[31:1] = (take_reset ? rst_vec[31:1] : ((((((({31 {sel_fir_addr}} & lsu_fir_addr[31:1]) | ({31 {~take_nmi & sel_npc_r}} & npc_r[31:1])) | ({31 {((~take_nmi & rfpc_i0_r) & dec_tlu_i0_valid_r) & ~sel_npc_r}} & dec_tlu_i0_pc_r[31:1])) | ({31 {interrupt_valid_r & ~sel_fir_addr}} & interrupt_path[31:1])) | ({31 {(((i0_exception_valid_r | lsu_exc_valid_r) | (i0_trigger_hit_r & ~trigger_hit_dmode_r)) & ~interrupt_valid_r) & ~sel_fir_addr}} & {mtvec[30:1], 1'b0})) | ({31 {~take_nmi & mret_r}} & mepc[31:1])) | ({31 {~take_nmi & debug_resume_req_f}} & dpc[31:1])) | ({31 {~take_nmi & sel_npc_resume}} & npc_r_d1[31:1])); + rvdffpcie #(.WIDTH(31)) flush_lower_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(tlu_flush_lower_r), + .din({tlu_flush_path_r[31:1]}), + .dout({tlu_flush_path_r_d1[31:1]}) + ); + assign dec_tlu_flush_lower_wb = tlu_flush_lower_r_d1; + assign dec_tlu_flush_lower_r = tlu_flush_lower_r; + assign dec_tlu_flush_path_r[31:1] = tlu_flush_path_r[31:1]; + assign exc_or_int_valid_r = ((lsu_exc_valid_r | i0_exception_valid_r) | interrupt_valid_r) | (i0_trigger_hit_r & ~trigger_hit_dmode_r); + rvdffie #(.WIDTH(12)) excinfo_wb_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din({interrupt_valid_r, i0_exception_valid_r, exc_or_int_valid_r, exc_cause_r[4:0], tlu_i0_commit_cmt & ~illegal_r, i0_trigger_hit_r, take_nmi, pause_expired_r}), + .dout({interrupt_valid_r_d1, i0_exception_valid_r_d1, exc_or_int_valid_r_d1, exc_cause_wb[4:0], i0_valid_wb, trigger_hit_r_d1, take_nmi_r_d1, pause_expired_wb}) + ); + localparam MISA = 12'h301; + localparam MVENDORID = 12'hf11; + localparam MARCHID = 12'hf12; + localparam MIMPID = 12'hf13; + localparam MHARTID = 12'hf14; + localparam MSTATUS = 12'h300; + assign dec_csr_wen_r_mod = (dec_csr_wen_r & ~i0_trigger_hit_r) & ~rfpc_i0_r; + assign wr_mstatus_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MSTATUS); + assign set_mie_pmu_fw_halt = ~mpmc_b_ns[1] & fw_halt_req; + assign mstatus_ns[1:0] = ((((({2 {~wr_mstatus_r & exc_or_int_valid_r}} & {mstatus[MSTATUS_MIE], 1'b0}) | ({2 {wr_mstatus_r & exc_or_int_valid_r}} & {dec_csr_wrdata_r[3], 1'b0})) | ({2 {mret_r & ~exc_or_int_valid_r}} & {1'b1, mstatus[1]})) | ({2 {set_mie_pmu_fw_halt}} & {mstatus[1], 1'b1})) | ({2 {wr_mstatus_r & ~exc_or_int_valid_r}} & {dec_csr_wrdata_r[7], dec_csr_wrdata_r[3]})) | ({2 {((~wr_mstatus_r & ~exc_or_int_valid_r) & ~mret_r) & ~set_mie_pmu_fw_halt}} & mstatus[1:0]); + assign mstatus_mie_ns = mstatus[MSTATUS_MIE] & (~dcsr_single_step_running_f | dcsr[DCSR_STEPIE]); + localparam MTVEC = 12'h305; + assign wr_mtvec_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTVEC); + assign mtvec_ns[30:0] = {dec_csr_wrdata_r[31:2], dec_csr_wrdata_r[0]}; + rvdffe #(.WIDTH(31)) mtvec_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mtvec_r), + .din(mtvec_ns[30:0]), + .dout(mtvec[30:0]) + ); + localparam MIP = 12'h344; + assign ce_int = (mdccme_ce_req | miccme_ce_req) | mice_ce_req; + assign mip_ns[5:0] = {ce_int, dec_timer_t0_pulse, dec_timer_t1_pulse, mexintpend, timer_int_sync, soft_int_sync}; + localparam MIE = 12'h304; + assign wr_mie_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MIE); + assign mie_ns[5:0] = (wr_mie_r ? {dec_csr_wrdata_r[30:28], dec_csr_wrdata_r[11], dec_csr_wrdata_r[7], dec_csr_wrdata_r[3]} : mie[5:0]); + rvdff #(.WIDTH(6)) mie_ff( + .rst_l(rst_l), + .clk(csr_wr_clk), + .din(mie_ns[5:0]), + .dout(mie[5:0]) + ); + localparam MCYCLEL = 12'hb00; + assign kill_ebreak_count_r = ebreak_to_debug_mode_r & dcsr[DCSR_STOPC]; + assign wr_mcyclel_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCYCLEL); + assign mcyclel_cout_in = ~(((kill_ebreak_count_r | (dec_tlu_dbg_halted & dcsr[DCSR_STOPC])) | dec_tlu_pmu_fw_halted) | mcountinhibit[0]); + assign {mcyclela_cout, mcyclel_inc[7:0]} = mcyclel[7:0] + 8'b00000001; + assign {mcyclel_cout, mcyclel_inc[31:8]} = mcyclel[31:8] + {23'b00000000000000000000000, mcyclela_cout}; + assign mcyclel_ns[31:0] = (wr_mcyclel_r ? dec_csr_wrdata_r[31:0] : mcyclel_inc[31:0]); + rvdffe #(.WIDTH(24)) mcyclel_bff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(wr_mcyclel_r | (mcyclela_cout & mcyclel_cout_in)), + .din(mcyclel_ns[31:8]), + .dout(mcyclel[31:8]) + ); + rvdffe #(.WIDTH(8)) mcyclel_aff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(wr_mcyclel_r | mcyclel_cout_in), + .din(mcyclel_ns[7:0]), + .dout(mcyclel[7:0]) + ); + localparam MCYCLEH = 12'hb80; + assign wr_mcycleh_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCYCLEH); + assign mcycleh_inc[31:0] = mcycleh[31:0] + {31'b0000000000000000000000000000000, mcyclel_cout_f}; + assign mcycleh_ns[31:0] = (wr_mcycleh_r ? dec_csr_wrdata_r[31:0] : mcycleh_inc[31:0]); + rvdffe #(.WIDTH(32)) mcycleh_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(wr_mcycleh_r | mcyclel_cout_f), + .din(mcycleh_ns[31:0]), + .dout(mcycleh[31:0]) + ); + localparam MINSTRETL = 12'hb02; + assign i0_valid_no_ebreak_ecall_r = dec_tlu_i0_valid_r & ~((((ebreak_r | ecall_r) | ebreak_to_debug_mode_r) | illegal_r) | mcountinhibit[2]); + assign wr_minstretl_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MINSTRETL); + assign {minstretl_couta, minstretl_inc[7:0]} = minstretl[7:0] + 8'b00000001; + assign {minstretl_cout, minstretl_inc[31:8]} = minstretl[31:8] + {23'b00000000000000000000000, minstretl_couta}; + assign minstret_enable = (i0_valid_no_ebreak_ecall_r & tlu_i0_commit_cmt) | wr_minstretl_r; + assign minstretl_cout_ns = ((minstretl_cout & ~wr_minstreth_r) & i0_valid_no_ebreak_ecall_r) & ~dec_tlu_dbg_halted; + assign minstretl_ns[31:0] = (wr_minstretl_r ? dec_csr_wrdata_r[31:0] : minstretl_inc[31:0]); + rvdffe #(.WIDTH(24)) minstretl_bff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_minstretl_r | (minstretl_couta & minstret_enable)), + .din(minstretl_ns[31:8]), + .dout(minstretl[31:8]) + ); + rvdffe #(.WIDTH(8)) minstretl_aff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(minstret_enable), + .din(minstretl_ns[7:0]), + .dout(minstretl[7:0]) + ); + assign minstretl_read[31:0] = minstretl[31:0]; + localparam MINSTRETH = 12'hb82; + assign wr_minstreth_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MINSTRETH); + assign minstreth_inc[31:0] = minstreth[31:0] + {31'b0000000000000000000000000000000, minstretl_cout_f}; + assign minstreth_ns[31:0] = (wr_minstreth_r ? dec_csr_wrdata_r[31:0] : minstreth_inc[31:0]); + rvdffe #(.WIDTH(32)) minstreth_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en((minstret_enable_f & minstretl_cout_f) | wr_minstreth_r), + .din(minstreth_ns[31:0]), + .dout(minstreth[31:0]) + ); + assign minstreth_read[31:0] = minstreth_inc[31:0]; + localparam MSCRATCH = 12'h340; + assign wr_mscratch_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MSCRATCH); + rvdffe #(.WIDTH(32)) mscratch_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mscratch_r), + .din(dec_csr_wrdata_r[31:0]), + .dout(mscratch[31:0]) + ); + localparam MEPC = 12'h341; + assign sel_exu_npc_r = (~dec_tlu_dbg_halted & ~tlu_flush_lower_r_d1) & dec_tlu_i0_valid_r; + assign sel_flush_npc_r = (~dec_tlu_dbg_halted & tlu_flush_lower_r_d1) & ~dec_tlu_flush_noredir_r_d1; + assign sel_hold_npc_r = ~sel_exu_npc_r & ~sel_flush_npc_r; + assign npc_r[31:1] = ((({31 {sel_exu_npc_r}} & exu_npc_r[31:1]) | ({31 {~mpc_reset_run_req & reset_delayed}} & rst_vec[31:1])) | ({31 {sel_flush_npc_r}} & tlu_flush_path_r_d1[31:1])) | ({31 {sel_hold_npc_r}} & npc_r_d1[31:1]); + rvdffpcie #(.WIDTH(31)) npwbc_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en((sel_exu_npc_r | sel_flush_npc_r) | reset_delayed), + .din(npc_r[31:1]), + .dout(npc_r_d1[31:1]) + ); + assign pc0_valid_r = ~dec_tlu_dbg_halted & dec_tlu_i0_valid_r; + assign pc_r[31:1] = ({31 {pc0_valid_r}} & dec_tlu_i0_pc_r[31:1]) | ({31 {~pc0_valid_r}} & pc_r_d1[31:1]); + rvdffpcie #(.WIDTH(31)) pwbc_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(pc0_valid_r), + .din(pc_r[31:1]), + .dout(pc_r_d1[31:1]) + ); + assign wr_mepc_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEPC); + assign mepc_ns[31:1] = ((({31 {(i0_exception_valid_r | lsu_exc_valid_r) | mepc_trigger_hit_sel_pc_r}} & pc_r[31:1]) | ({31 {interrupt_valid_r}} & npc_r[31:1])) | ({31 {wr_mepc_r & ~exc_or_int_valid_r}} & dec_csr_wrdata_r[31:1])) | ({31 {~wr_mepc_r & ~exc_or_int_valid_r}} & mepc[31:1]); + rvdffe #(.WIDTH(31)) mepc_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en((((i0_exception_valid_r | lsu_exc_valid_r) | mepc_trigger_hit_sel_pc_r) | interrupt_valid_r) | wr_mepc_r), + .din(mepc_ns[31:1]), + .dout(mepc[31:1]) + ); + localparam MCAUSE = 12'h342; + assign wr_mcause_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCAUSE); + assign mcause_sel_nmi_store = (exc_or_int_valid_r & take_nmi) & nmi_lsu_store_type; + assign mcause_sel_nmi_load = (exc_or_int_valid_r & take_nmi) & nmi_lsu_load_type; + assign mcause_sel_nmi_ext = (((exc_or_int_valid_r & take_nmi) & take_ext_int_start_d3) & |lsu_fir_error[1:0]) & ~nmi_int_detected_f; + assign mcause_fir_error_type[1:0] = {&lsu_fir_error[1:0], lsu_fir_error[1] & ~lsu_fir_error[0]}; + assign mcause_ns[31:0] = ((((({32 {mcause_sel_nmi_store}} & 32'hf0000000) | ({32 {mcause_sel_nmi_load}} & 32'hf0000001)) | ({32 {mcause_sel_nmi_ext}} & {30'b111100000000000000010000000000, mcause_fir_error_type[1:0]})) | ({32 {exc_or_int_valid_r & ~take_nmi}} & {interrupt_valid_r, 26'b00000000000000000000000000, exc_cause_r[4:0]})) | ({32 {wr_mcause_r & ~exc_or_int_valid_r}} & dec_csr_wrdata_r[31:0])) | ({32 {~wr_mcause_r & ~exc_or_int_valid_r}} & mcause[31:0]); + rvdffe #(.WIDTH(32)) mcause_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(exc_or_int_valid_r | wr_mcause_r), + .din(mcause_ns[31:0]), + .dout(mcause[31:0]) + ); + localparam MSCAUSE = 12'h7ff; + assign wr_mscause_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MSCAUSE); + assign ifu_mscause[3:0] = (dec_tlu_packet_r[14:13] == 2'b00 ? 4'b1001 : {2'b00, dec_tlu_packet_r[14:13]}); + assign mscause_type[3:0] = ((({4 {lsu_i0_exc_r}} & lsu_error_pkt_r[37:34]) | ({4 {i0_trigger_hit_r}} & 4'b0001)) | ({4 {ebreak_r}} & 4'b0010)) | ({4 {inst_acc_r}} & ifu_mscause[3:0]); + assign mscause_ns[3:0] = (({4 {exc_or_int_valid_r}} & mscause_type[3:0]) | ({4 {wr_mscause_r & ~exc_or_int_valid_r}} & dec_csr_wrdata_r[3:0])) | ({4 {~wr_mscause_r & ~exc_or_int_valid_r}} & mscause[3:0]); + rvdff #(.WIDTH(4)) mscause_ff( + .rst_l(rst_l), + .clk(e4e5_int_clk), + .din(mscause_ns[3:0]), + .dout(mscause[3:0]) + ); + localparam MTVAL = 12'h343; + assign wr_mtval_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTVAL); + assign mtval_capture_pc_r = (exc_or_int_valid_r & ((ebreak_r | (inst_acc_r & ~inst_acc_second_r)) | mepc_trigger_hit_sel_pc_r)) & ~take_nmi; + assign mtval_capture_pc_plus2_r = (exc_or_int_valid_r & (inst_acc_r & inst_acc_second_r)) & ~take_nmi; + assign mtval_capture_inst_r = (exc_or_int_valid_r & illegal_r) & ~take_nmi; + assign mtval_capture_lsu_r = (exc_or_int_valid_r & lsu_exc_valid_r) & ~take_nmi; + assign mtval_clear_r = (((exc_or_int_valid_r & ~mtval_capture_pc_r) & ~mtval_capture_inst_r) & ~mtval_capture_lsu_r) & ~mepc_trigger_hit_sel_pc_r; + assign mtval_ns[31:0] = ((((({32 {mtval_capture_pc_r}} & {pc_r[31:1], 1'b0}) | ({32 {mtval_capture_pc_plus2_r}} & {pc_r[31:1] + 31'b0000000000000000000000000000001, 1'b0})) | ({32 {mtval_capture_inst_r}} & dec_illegal_inst[31:0])) | ({32 {mtval_capture_lsu_r}} & lsu_error_pkt_addr_r[31:0])) | ({32 {wr_mtval_r & ~interrupt_valid_r}} & dec_csr_wrdata_r[31:0])) | ({32 {((((~take_nmi & ~wr_mtval_r) & ~mtval_capture_pc_r) & ~mtval_capture_inst_r) & ~mtval_clear_r) & ~mtval_capture_lsu_r}} & mtval[31:0]); + rvdffe #(.WIDTH(32)) mtval_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(tlu_flush_lower_r | wr_mtval_r), + .din(mtval_ns[31:0]), + .dout(mtval[31:0]) + ); + localparam MCGC = 12'h7f8; + assign wr_mcgc_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCGC); + assign mcgc_ns[9:0] = (wr_mcgc_r ? {~dec_csr_wrdata_r[9], dec_csr_wrdata_r[8:0]} : mcgc_int[9:0]); + rvdffe #(.WIDTH(10)) mcgc_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mcgc_r), + .din(mcgc_ns[9:0]), + .dout(mcgc_int[9:0]) + ); + assign mcgc[9:0] = {~mcgc_int[9], mcgc_int[8:0]}; + assign dec_tlu_picio_clk_override = mcgc[9]; + assign dec_tlu_misc_clk_override = mcgc[8]; + assign dec_tlu_dec_clk_override = mcgc[7]; + assign dec_tlu_ifu_clk_override = mcgc[5]; + assign dec_tlu_lsu_clk_override = mcgc[4]; + assign dec_tlu_bus_clk_override = mcgc[3]; + assign dec_tlu_pic_clk_override = mcgc[2]; + assign dec_tlu_dccm_clk_override = mcgc[1]; + assign dec_tlu_icm_clk_override = mcgc[0]; + localparam MFDC = 12'h7f9; + assign wr_mfdc_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MFDC); + rvdffe #(.WIDTH(16)) mfdc_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mfdc_r), + .din({mfdc_ns[15:0]}), + .dout(mfdc_int[15:0]) + ); + generate + if (pt[2037-:5] == 1) begin : axi4 + assign mfdc_ns[15:0] = {~dec_csr_wrdata_r[18:16], dec_csr_wrdata_r[12], dec_csr_wrdata_r[11:7], ~dec_csr_wrdata_r[6], dec_csr_wrdata_r[5:0]}; + assign mfdc[18:0] = {~mfdc_int[15:13], 3'b000, mfdc_int[12], mfdc_int[11:7], ~mfdc_int[6], mfdc_int[5:0]}; + end + else begin + assign mfdc_ns[15:0] = {~dec_csr_wrdata_r[18:16], dec_csr_wrdata_r[12:0]}; + assign mfdc[18:0] = {~mfdc_int[15:13], 3'b000, mfdc_int[12:0]}; + end + endgenerate + assign dec_tlu_dma_qos_prty[2:0] = mfdc[18:16]; + assign dec_tlu_trace_disable = mfdc[12]; + assign dec_tlu_external_ldfwd_disable = mfdc[11]; + assign dec_tlu_core_ecc_disable = 1'b1; + assign dec_tlu_sideeffect_posted_disable = mfdc[6]; + assign dec_tlu_bpred_disable = mfdc[3]; + assign dec_tlu_wb_coalescing_disable = mfdc[2]; + assign dec_tlu_pipelining_disable = mfdc[0]; + assign dec_tlu_wr_pause_r = ((dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCPC)) & ~interrupt_valid_r) & ~take_ext_int_start; + localparam MRAC = 12'h7c0; + assign wr_mrac_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MRAC); + assign mrac_in[31:0] = {dec_csr_wrdata_r[31], dec_csr_wrdata_r[30] & ~dec_csr_wrdata_r[31], dec_csr_wrdata_r[29], dec_csr_wrdata_r[28] & ~dec_csr_wrdata_r[29], dec_csr_wrdata_r[27], dec_csr_wrdata_r[26] & ~dec_csr_wrdata_r[27], dec_csr_wrdata_r[25], dec_csr_wrdata_r[24] & ~dec_csr_wrdata_r[25], dec_csr_wrdata_r[23], dec_csr_wrdata_r[22] & ~dec_csr_wrdata_r[23], dec_csr_wrdata_r[21], dec_csr_wrdata_r[20] & ~dec_csr_wrdata_r[21], dec_csr_wrdata_r[19], dec_csr_wrdata_r[18] & ~dec_csr_wrdata_r[19], dec_csr_wrdata_r[17], dec_csr_wrdata_r[16] & ~dec_csr_wrdata_r[17], dec_csr_wrdata_r[15], dec_csr_wrdata_r[14] & ~dec_csr_wrdata_r[15], dec_csr_wrdata_r[13], dec_csr_wrdata_r[12] & ~dec_csr_wrdata_r[13], dec_csr_wrdata_r[11], dec_csr_wrdata_r[10] & ~dec_csr_wrdata_r[11], dec_csr_wrdata_r[9], dec_csr_wrdata_r[8] & ~dec_csr_wrdata_r[9], dec_csr_wrdata_r[7], dec_csr_wrdata_r[6] & ~dec_csr_wrdata_r[7], dec_csr_wrdata_r[5], dec_csr_wrdata_r[4] & ~dec_csr_wrdata_r[5], dec_csr_wrdata_r[3], dec_csr_wrdata_r[2] & ~dec_csr_wrdata_r[3], dec_csr_wrdata_r[1], dec_csr_wrdata_r[0] & ~dec_csr_wrdata_r[1]}; + rvdffe #(.WIDTH(32)) mrac_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mrac_r), + .din(mrac_in[31:0]), + .dout(mrac[31:0]) + ); + assign dec_tlu_mrac_ff[31:0] = mrac[31:0]; + localparam MDEAU = 12'hbc0; + assign wr_mdeau_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MDEAU); + localparam MDSEAC = 12'hfc0; + assign mdseac_locked_ns = mdseac_en | (mdseac_locked_f & ~wr_mdeau_r); + assign mdseac_en = ((lsu_imprecise_error_store_any | lsu_imprecise_error_load_any) & ~nmi_int_detected_f) & ~mdseac_locked_f; + rvdffe #(.WIDTH(32)) mdseac_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(mdseac_en), + .din(lsu_imprecise_error_addr_any[31:0]), + .dout(mdseac[31:0]) + ); + localparam MPMC = 12'h7c6; + assign wr_mpmc_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MPMC); + assign fw_halt_req = ((wr_mpmc_r & dec_csr_wrdata_r[0]) & ~internal_dbg_halt_mode_f2) & ~ext_int_freeze_d1; + assign fw_halted_ns = (fw_halt_req | fw_halted) & ~set_mie_pmu_fw_halt; + assign mpmc_b_ns[1] = (wr_mpmc_r ? ~dec_csr_wrdata_r[1] : ~mpmc[1]); + rvdff #(.WIDTH(1)) mpmc_ff( + .rst_l(rst_l), + .clk(csr_wr_clk), + .din(mpmc_b_ns[1]), + .dout(mpmc_b[1]) + ); + assign mpmc[1] = ~mpmc_b[1]; + localparam MICECT = 12'h7f0; + assign csr_sat[31:27] = (dec_csr_wrdata_r[31:27] > 5'd26 ? 5'd26 : dec_csr_wrdata_r[31:27]); + assign wr_micect_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MICECT); + assign micect_inc[26:0] = micect[26:0] + {26'b00000000000000000000000000, ic_perr_r}; + assign micect_ns = (wr_micect_r ? {csr_sat[31:27], dec_csr_wrdata_r[26:0]} : {micect[31:27], micect_inc[26:0]}); + rvdffe #(.WIDTH(32)) micect_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_micect_r | ic_perr_r), + .din(micect_ns[31:0]), + .dout(micect[31:0]) + ); + assign mice_ce_req = |({32'hffffffff << micect[31:27]} & {5'b00000, micect[26:0]}); + localparam MICCMECT = 12'h7f1; + assign wr_miccmect_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MICCMECT); + assign miccmect_inc[26:0] = miccmect[26:0] + {26'b00000000000000000000000000, iccm_sbecc_r | iccm_dma_sb_error}; + assign miccmect_ns = (wr_miccmect_r ? {csr_sat[31:27], dec_csr_wrdata_r[26:0]} : {miccmect[31:27], miccmect_inc[26:0]}); + rvdffe #(.WIDTH(32)) miccmect_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en((wr_miccmect_r | iccm_sbecc_r) | iccm_dma_sb_error), + .din(miccmect_ns[31:0]), + .dout(miccmect[31:0]) + ); + assign miccme_ce_req = |({32'hffffffff << miccmect[31:27]} & {5'b00000, miccmect[26:0]}); + localparam MDCCMECT = 12'h7f2; + assign wr_mdccmect_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MDCCMECT); + assign mdccmect_inc[26:0] = mdccmect[26:0] + {26'b00000000000000000000000000, lsu_single_ecc_error_r_d1}; + assign mdccmect_ns = (wr_mdccmect_r ? {csr_sat[31:27], dec_csr_wrdata_r[26:0]} : {mdccmect[31:27], mdccmect_inc[26:0]}); + rvdffe #(.WIDTH(32)) mdccmect_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(wr_mdccmect_r | lsu_single_ecc_error_r_d1), + .din(mdccmect_ns[31:0]), + .dout(mdccmect[31:0]) + ); + assign mdccme_ce_req = |({32'hffffffff << mdccmect[31:27]} & {5'b00000, mdccmect[26:0]}); + localparam MFDHT = 12'h7ce; + assign wr_mfdht_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MFDHT); + assign mfdht_ns[5:0] = (wr_mfdht_r ? dec_csr_wrdata_r[5:0] : mfdht[5:0]); + rvdffs #(.WIDTH(6)) mfdht_ff( + .rst_l(rst_l), + .clk(csr_wr_clk), + .en(wr_mfdht_r), + .din(mfdht_ns[5:0]), + .dout(mfdht[5:0]) + ); + localparam MFDHS = 12'h7cf; + assign wr_mfdhs_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MFDHS); + assign mfdhs_ns[1:0] = (wr_mfdhs_r ? dec_csr_wrdata_r[1:0] : (dbg_tlu_halted & ~dbg_tlu_halted_f ? {~lsu_idle_any_f, ~ifu_miss_state_idle_f} : mfdhs[1:0])); + rvdffs #(.WIDTH(2)) mfdhs_ff( + .rst_l(rst_l), + .clk(free_clk), + .en(wr_mfdhs_r | dbg_tlu_halted), + .din(mfdhs_ns[1:0]), + .dout(mfdhs[1:0]) + ); + assign force_halt_ctr[31:0] = (debug_halt_req_f ? force_halt_ctr_f[31:0] + 32'b00000000000000000000000000000001 : (dbg_tlu_halted_f ? 32'b00000000000000000000000000000000 : force_halt_ctr_f[31:0])); + rvdffe #(.WIDTH(32)) forcehaltctr_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(mfdht[0]), + .din(force_halt_ctr[31:0]), + .dout(force_halt_ctr_f[31:0]) + ); + assign force_halt = mfdht[0] & |(force_halt_ctr_f[31:0] & (32'hffffffff << mfdht[5:1])); + localparam MEIVT = 12'hbc8; + assign wr_meivt_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEIVT); + rvdffe #(.WIDTH(22)) meivt_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_meivt_r), + .din(dec_csr_wrdata_r[31:10]), + .dout(meivt[31:10]) + ); + localparam MEIHAP = 12'hfc8; + assign wr_meihap_r = wr_meicpct_r; + rvdffe #(.WIDTH(8)) meihap_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_meihap_r), + .din(pic_claimid[7:0]), + .dout(meihap[9:2]) + ); + assign dec_tlu_meihap[31:2] = {meivt[31:10], meihap[9:2]}; + localparam MEICURPL = 12'hbcc; + assign wr_meicurpl_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEICURPL); + assign meicurpl_ns[3:0] = (wr_meicurpl_r ? dec_csr_wrdata_r[3:0] : meicurpl[3:0]); + rvdff #(.WIDTH(4)) meicurpl_ff( + .rst_l(rst_l), + .clk(csr_wr_clk), + .din(meicurpl_ns[3:0]), + .dout(meicurpl[3:0]) + ); + assign dec_tlu_meicurpl[3:0] = meicurpl[3:0]; + localparam MEICIDPL = 12'hbcb; + assign wr_meicidpl_r = (dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEICIDPL)) | take_ext_int_start; + assign meicidpl_ns[3:0] = (wr_meicpct_r ? pic_pl[3:0] : (wr_meicidpl_r ? dec_csr_wrdata_r[3:0] : meicidpl[3:0])); + localparam MEICPCT = 12'hbca; + assign wr_meicpct_r = (dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEICPCT)) | take_ext_int_start; + localparam MEIPT = 12'hbc9; + assign wr_meipt_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MEIPT); + assign meipt_ns[3:0] = (wr_meipt_r ? dec_csr_wrdata_r[3:0] : meipt[3:0]); + rvdff #(.WIDTH(4)) meipt_ff( + .rst_l(rst_l), + .clk(csr_wr_clk), + .din(meipt_ns[3:0]), + .dout(meipt[3:0]) + ); + assign dec_tlu_meipt[3:0] = meipt[3:0]; + localparam DCSR = 12'h7b0; + assign trigger_hit_for_dscr_cause_r_d1 = trigger_hit_dmode_r_d1 | (trigger_hit_r_d1 & dcsr_single_step_done_f); + assign dcsr_cause[8:6] = ((({3 {((dcsr_single_step_done_f & ~ebreak_to_debug_mode_r_d1) & ~trigger_hit_for_dscr_cause_r_d1) & ~debug_halt_req}} & 3'b100) | ({3 {(debug_halt_req & ~ebreak_to_debug_mode_r_d1) & ~trigger_hit_for_dscr_cause_r_d1}} & 3'b011)) | ({3 {ebreak_to_debug_mode_r_d1 & ~trigger_hit_for_dscr_cause_r_d1}} & 3'b001)) | ({3 {trigger_hit_for_dscr_cause_r_d1}} & 3'b010); + assign wr_dcsr_r = (allow_dbg_halt_csr_write & dec_csr_wen_r_mod) & (dec_csr_wraddr_r[11:0] == DCSR); + assign dcsr_cause_upgradeable = internal_dbg_halt_mode_f & (dcsr[8:6] == 3'b011); + assign enter_debug_halt_req_le = enter_debug_halt_req & (~dbg_tlu_halted | dcsr_cause_upgradeable); + assign nmi_in_debug_mode = nmi_int_detected_f & internal_dbg_halt_mode_f; + assign dcsr_ns[15:2] = (enter_debug_halt_req_le ? {dcsr[15:9], dcsr_cause[8:6], dcsr[5:2]} : (wr_dcsr_r ? {dec_csr_wrdata_r[15], 3'b000, dec_csr_wrdata_r[11:10], 1'b0, dcsr[8:6], 2'b00, nmi_in_debug_mode | dcsr[3], dec_csr_wrdata_r[2]} : {dcsr[15:4], nmi_in_debug_mode, dcsr[2]})); + rvdffe #(.WIDTH(14)) dcsr_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(((enter_debug_halt_req_le | wr_dcsr_r) | internal_dbg_halt_mode) | take_nmi), + .din(dcsr_ns[15:2]), + .dout(dcsr[15:2]) + ); + localparam DPC = 12'h7b1; + assign wr_dpc_r = (allow_dbg_halt_csr_write & dec_csr_wen_r_mod) & (dec_csr_wraddr_r[11:0] == DPC); + assign dpc_capture_npc = (dbg_tlu_halted & ~dbg_tlu_halted_f) & ~request_debug_mode_done; + assign dpc_capture_pc = request_debug_mode_r; + assign dpc_ns[31:1] = (({31 {(~dpc_capture_pc & ~dpc_capture_npc) & wr_dpc_r}} & dec_csr_wrdata_r[31:1]) | ({31 {dpc_capture_pc}} & pc_r[31:1])) | ({31 {~dpc_capture_pc & dpc_capture_npc}} & npc_r[31:1]); + rvdffe #(.WIDTH(31)) dpc_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en((wr_dpc_r | dpc_capture_pc) | dpc_capture_npc), + .din(dpc_ns[31:1]), + .dout(dpc[31:1]) + ); + localparam DICAWICS = 12'h7c8; + assign dicawics_ns[16:0] = {dec_csr_wrdata_r[24], dec_csr_wrdata_r[21:20], dec_csr_wrdata_r[16:3]}; + assign wr_dicawics_r = (allow_dbg_halt_csr_write & dec_csr_wen_r_mod) & (dec_csr_wraddr_r[11:0] == DICAWICS); + rvdffe #(.WIDTH(17)) dicawics_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_dicawics_r), + .din(dicawics_ns[16:0]), + .dout(dicawics[16:0]) + ); + localparam DICAD0 = 12'h7c9; + assign dicad0_ns[31:0] = (wr_dicad0_r ? dec_csr_wrdata_r[31:0] : ifu_ic_debug_rd_data[31:0]); + assign wr_dicad0_r = (allow_dbg_halt_csr_write & dec_csr_wen_r_mod) & (dec_csr_wraddr_r[11:0] == DICAD0); + rvdffe #(.WIDTH(32)) dicad0_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_dicad0_r | ifu_ic_debug_rd_data_valid), + .din(dicad0_ns[31:0]), + .dout(dicad0[31:0]) + ); + localparam DICAD0H = 12'h7cc; + assign dicad0h_ns[31:0] = (wr_dicad0h_r ? dec_csr_wrdata_r[31:0] : ifu_ic_debug_rd_data[63:32]); + assign wr_dicad0h_r = (allow_dbg_halt_csr_write & dec_csr_wen_r_mod) & (dec_csr_wraddr_r[11:0] == DICAD0H); + rvdffe #(.WIDTH(32)) dicad0h_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_dicad0h_r | ifu_ic_debug_rd_data_valid), + .din(dicad0h_ns[31:0]), + .dout(dicad0h[31:0]) + ); + generate + if (pt[1125-:5] == 1) begin + localparam DICAD1 = 12'h7ca; + assign dicad1_ns[6:0] = (wr_dicad1_r ? dec_csr_wrdata_r[6:0] : ifu_ic_debug_rd_data[70:64]); + assign wr_dicad1_r = (allow_dbg_halt_csr_write & dec_csr_wen_r_mod) & (dec_csr_wraddr_r[11:0] == DICAD1); + rvdffe #( + .WIDTH(7), + .OVERRIDE(1) + ) dicad1_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_dicad1_r | ifu_ic_debug_rd_data_valid), + .din(dicad1_ns[6:0]), + .dout(dicad1_raw[6:0]) + ); + assign dicad1[31:0] = {25'b0000000000000000000000000, dicad1_raw[6:0]}; + end + else begin + localparam DICAD1 = 12'h7ca; + assign dicad1_ns[3:0] = (wr_dicad1_r ? dec_csr_wrdata_r[3:0] : ifu_ic_debug_rd_data[67:64]); + assign wr_dicad1_r = (allow_dbg_halt_csr_write & dec_csr_wen_r_mod) & (dec_csr_wraddr_r[11:0] == DICAD1); + rvdffs #(.WIDTH(4)) dicad1_ff( + .rst_l(rst_l), + .clk(free_clk), + .en(wr_dicad1_r | ifu_ic_debug_rd_data_valid), + .din(dicad1_ns[3:0]), + .dout(dicad1_raw[3:0]) + ); + assign dicad1[31:0] = {28'b0000000000000000000000000000, dicad1_raw[3:0]}; + end + endgenerate + localparam DICAGO = 12'h7cb; + generate + if (pt[1125-:5] == 1) begin + assign dec_tlu_ic_diag_pkt[89:19] = {dicad1[6:0], dicad0h[31:0], dicad0[31:0]}; + end + else assign dec_tlu_ic_diag_pkt[89:19] = {3'b000, dicad1[3:0], dicad0h[31:0], dicad0[31:0]}; + endgenerate + assign dec_tlu_ic_diag_pkt[18:2] = dicawics[16:0]; + assign icache_rd_valid = (((allow_dbg_halt_csr_write & dec_csr_any_unq_d) & dec_i0_decode_d) & ~dec_csr_wen_unq_d) & (dec_csr_rdaddr_d[11:0] == DICAGO); + assign icache_wr_valid = (allow_dbg_halt_csr_write & dec_csr_wen_r_mod) & (dec_csr_wraddr_r[11:0] == DICAGO); + assign dec_tlu_ic_diag_pkt[1] = icache_rd_valid_f; + assign dec_tlu_ic_diag_pkt[0] = icache_wr_valid_f; + localparam MTSEL = 12'h7a0; + assign wr_mtsel_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTSEL); + assign mtsel_ns[1:0] = (wr_mtsel_r ? {dec_csr_wrdata_r[1:0]} : mtsel[1:0]); + rvdff #(.WIDTH(2)) mtsel_ff( + .rst_l(rst_l), + .clk(csr_wr_clk), + .din(mtsel_ns[1:0]), + .dout(mtsel[1:0]) + ); + localparam MTDATA1 = 12'h7a1; + assign tdata_load = dec_csr_wrdata_r[0] & ~dec_csr_wrdata_r[19]; + assign tdata_opcode = dec_csr_wrdata_r[2] & ~dec_csr_wrdata_r[19]; + assign tdata_action = (dec_csr_wrdata_r[27] & dbg_tlu_halted_f) & dec_csr_wrdata_r[12]; + assign tdata_chain = (mtsel[0] ? 1'b0 : (mtsel[1] ? dec_csr_wrdata_r[11] & ~(mtdata1_t3[MTDATA1_DMODE] & ~dec_csr_wrdata_r[27]) : dec_csr_wrdata_r[11] & ~(mtdata1_t1[MTDATA1_DMODE] & ~dec_csr_wrdata_r[27]))); + assign tdata_kill_write = (mtsel[1] ? dec_csr_wrdata_r[27] & (~mtdata1_t2[MTDATA1_DMODE] & mtdata1_t2[MTDATA1_CHAIN]) : dec_csr_wrdata_r[27] & (~mtdata1_t0[MTDATA1_DMODE] & mtdata1_t0[MTDATA1_CHAIN])); + assign tdata_wrdata_r[9:0] = {dec_csr_wrdata_r[27] & dbg_tlu_halted_f, dec_csr_wrdata_r[20:19], tdata_action, tdata_chain, dec_csr_wrdata_r[7:6], tdata_opcode, dec_csr_wrdata_r[1], tdata_load}; + assign wr_mtdata1_t0_r = ((dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA1)) & (mtsel[1:0] == 2'b00)) & (~mtdata1_t0[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign mtdata1_t0_ns[9:0] = (wr_mtdata1_t0_r ? tdata_wrdata_r[9:0] : {mtdata1_t0[9], update_hit_bit_r[0] | mtdata1_t0[8], mtdata1_t0[7:0]}); + assign wr_mtdata1_t1_r = (((dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA1)) & (mtsel[1:0] == 2'b01)) & (~mtdata1_t1[MTDATA1_DMODE] | dbg_tlu_halted_f)) & ~tdata_kill_write; + assign mtdata1_t1_ns[9:0] = (wr_mtdata1_t1_r ? tdata_wrdata_r[9:0] : {mtdata1_t1[9], update_hit_bit_r[1] | mtdata1_t1[8], mtdata1_t1[7:0]}); + assign wr_mtdata1_t2_r = ((dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA1)) & (mtsel[1:0] == 2'b10)) & (~mtdata1_t2[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign mtdata1_t2_ns[9:0] = (wr_mtdata1_t2_r ? tdata_wrdata_r[9:0] : {mtdata1_t2[9], update_hit_bit_r[2] | mtdata1_t2[8], mtdata1_t2[7:0]}); + assign wr_mtdata1_t3_r = (((dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA1)) & (mtsel[1:0] == 2'b11)) & (~mtdata1_t3[MTDATA1_DMODE] | dbg_tlu_halted_f)) & ~tdata_kill_write; + assign mtdata1_t3_ns[9:0] = (wr_mtdata1_t3_r ? tdata_wrdata_r[9:0] : {mtdata1_t3[9], update_hit_bit_r[3] | mtdata1_t3[8], mtdata1_t3[7:0]}); + rvdffe #(.WIDTH(10)) mtdata1_t0_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(trigger_enabled[0] | wr_mtdata1_t0_r), + .din(mtdata1_t0_ns[9:0]), + .dout(mtdata1_t0[9:0]) + ); + rvdffe #(.WIDTH(10)) mtdata1_t1_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(trigger_enabled[1] | wr_mtdata1_t1_r), + .din(mtdata1_t1_ns[9:0]), + .dout(mtdata1_t1[9:0]) + ); + rvdffe #(.WIDTH(10)) mtdata1_t2_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(trigger_enabled[2] | wr_mtdata1_t2_r), + .din(mtdata1_t2_ns[9:0]), + .dout(mtdata1_t2[9:0]) + ); + rvdffe #(.WIDTH(10)) mtdata1_t3_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(trigger_enabled[3] | wr_mtdata1_t3_r), + .din(mtdata1_t3_ns[9:0]), + .dout(mtdata1_t3[9:0]) + ); + assign mtdata1_tsel_out[31:0] = ((({32 {mtsel[1:0] == 2'b00}} & {4'h2, mtdata1_t0[9], 6'b011111, mtdata1_t0[8:7], 6'b000000, mtdata1_t0[6:5], 3'b000, mtdata1_t0[4:3], 3'b000, mtdata1_t0[2:0]}) | ({32 {mtsel[1:0] == 2'b01}} & {4'h2, mtdata1_t1[9], 6'b011111, mtdata1_t1[8:7], 6'b000000, mtdata1_t1[6:5], 3'b000, mtdata1_t1[4:3], 3'b000, mtdata1_t1[2:0]})) | ({32 {mtsel[1:0] == 2'b10}} & {4'h2, mtdata1_t2[9], 6'b011111, mtdata1_t2[8:7], 6'b000000, mtdata1_t2[6:5], 3'b000, mtdata1_t2[4:3], 3'b000, mtdata1_t2[2:0]})) | ({32 {mtsel[1:0] == 2'b11}} & {4'h2, mtdata1_t3[9], 6'b011111, mtdata1_t3[8:7], 6'b000000, mtdata1_t3[6:5], 3'b000, mtdata1_t3[4:3], 3'b000, mtdata1_t3[2:0]}); + assign trigger_pkt_any[37] = mtdata1_t0[MTDATA1_SEL]; + assign trigger_pkt_any[36] = mtdata1_t0[MTDATA1_MATCH]; + assign trigger_pkt_any[35] = mtdata1_t0[MTDATA1_ST]; + assign trigger_pkt_any[34] = mtdata1_t0[MTDATA1_LD]; + assign trigger_pkt_any[33] = mtdata1_t0[MTDATA1_EXE]; + assign trigger_pkt_any[32] = mtdata1_t0[MTDATA1_M_ENABLED]; + assign trigger_pkt_any[75] = mtdata1_t1[MTDATA1_SEL]; + assign trigger_pkt_any[74] = mtdata1_t1[MTDATA1_MATCH]; + assign trigger_pkt_any[73] = mtdata1_t1[MTDATA1_ST]; + assign trigger_pkt_any[72] = mtdata1_t1[MTDATA1_LD]; + assign trigger_pkt_any[71] = mtdata1_t1[MTDATA1_EXE]; + assign trigger_pkt_any[70] = mtdata1_t1[MTDATA1_M_ENABLED]; + assign trigger_pkt_any[113] = mtdata1_t2[MTDATA1_SEL]; + assign trigger_pkt_any[112] = mtdata1_t2[MTDATA1_MATCH]; + assign trigger_pkt_any[111] = mtdata1_t2[MTDATA1_ST]; + assign trigger_pkt_any[110] = mtdata1_t2[MTDATA1_LD]; + assign trigger_pkt_any[109] = mtdata1_t2[MTDATA1_EXE]; + assign trigger_pkt_any[108] = mtdata1_t2[MTDATA1_M_ENABLED]; + assign trigger_pkt_any[151] = mtdata1_t3[MTDATA1_SEL]; + assign trigger_pkt_any[150] = mtdata1_t3[MTDATA1_MATCH]; + assign trigger_pkt_any[149] = mtdata1_t3[MTDATA1_ST]; + assign trigger_pkt_any[148] = mtdata1_t3[MTDATA1_LD]; + assign trigger_pkt_any[147] = mtdata1_t3[MTDATA1_EXE]; + assign trigger_pkt_any[146] = mtdata1_t3[MTDATA1_M_ENABLED]; + localparam MTDATA2 = 12'h7a2; + assign wr_mtdata2_t0_r = ((dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA2)) & (mtsel[1:0] == 2'b00)) & (~mtdata1_t0[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign wr_mtdata2_t1_r = ((dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA2)) & (mtsel[1:0] == 2'b01)) & (~mtdata1_t1[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign wr_mtdata2_t2_r = ((dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA2)) & (mtsel[1:0] == 2'b10)) & (~mtdata1_t2[MTDATA1_DMODE] | dbg_tlu_halted_f); + assign wr_mtdata2_t3_r = ((dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MTDATA2)) & (mtsel[1:0] == 2'b11)) & (~mtdata1_t3[MTDATA1_DMODE] | dbg_tlu_halted_f); + rvdffe #(.WIDTH(32)) mtdata2_t0_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mtdata2_t0_r), + .din(dec_csr_wrdata_r[31:0]), + .dout(mtdata2_t0[31:0]) + ); + rvdffe #(.WIDTH(32)) mtdata2_t1_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mtdata2_t1_r), + .din(dec_csr_wrdata_r[31:0]), + .dout(mtdata2_t1[31:0]) + ); + rvdffe #(.WIDTH(32)) mtdata2_t2_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mtdata2_t2_r), + .din(dec_csr_wrdata_r[31:0]), + .dout(mtdata2_t2[31:0]) + ); + rvdffe #(.WIDTH(32)) mtdata2_t3_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mtdata2_t3_r), + .din(dec_csr_wrdata_r[31:0]), + .dout(mtdata2_t3[31:0]) + ); + assign mtdata2_tsel_out[31:0] = ((({32 {mtsel[1:0] == 2'b00}} & mtdata2_t0[31:0]) | ({32 {mtsel[1:0] == 2'b01}} & mtdata2_t1[31:0])) | ({32 {mtsel[1:0] == 2'b10}} & mtdata2_t2[31:0])) | ({32 {mtsel[1:0] == 2'b11}} & mtdata2_t3[31:0]); + assign trigger_pkt_any[31-:32] = mtdata2_t0[31:0]; + assign trigger_pkt_any[69-:32] = mtdata2_t1[31:0]; + assign trigger_pkt_any[107-:32] = mtdata2_t2[31:0]; + assign trigger_pkt_any[145-:32] = mtdata2_t3[31:0]; + localparam MHPME_NOEVENT = 10'd0; + localparam MHPME_CLK_ACTIVE = 10'd1; + localparam MHPME_ICACHE_HIT = 10'd2; + localparam MHPME_ICACHE_MISS = 10'd3; + localparam MHPME_INST_COMMIT = 10'd4; + localparam MHPME_INST_COMMIT_16B = 10'd5; + localparam MHPME_INST_COMMIT_32B = 10'd6; + localparam MHPME_INST_ALIGNED = 10'd7; + localparam MHPME_INST_DECODED = 10'd8; + localparam MHPME_INST_MUL = 10'd9; + localparam MHPME_INST_DIV = 10'd10; + localparam MHPME_INST_LOAD = 10'd11; + localparam MHPME_INST_STORE = 10'd12; + localparam MHPME_INST_MALOAD = 10'd13; + localparam MHPME_INST_MASTORE = 10'd14; + localparam MHPME_INST_ALU = 10'd15; + localparam MHPME_INST_CSRREAD = 10'd16; + localparam MHPME_INST_CSRRW = 10'd17; + localparam MHPME_INST_CSRWRITE = 10'd18; + localparam MHPME_INST_EBREAK = 10'd19; + localparam MHPME_INST_ECALL = 10'd20; + localparam MHPME_INST_FENCE = 10'd21; + localparam MHPME_INST_FENCEI = 10'd22; + localparam MHPME_INST_MRET = 10'd23; + localparam MHPME_INST_BRANCH = 10'd24; + localparam MHPME_BRANCH_MP = 10'd25; + localparam MHPME_BRANCH_TAKEN = 10'd26; + localparam MHPME_BRANCH_NOTP = 10'd27; + localparam MHPME_FETCH_STALL = 10'd28; + localparam MHPME_DECODE_STALL = 10'd30; + localparam MHPME_POSTSYNC_STALL = 10'd31; + localparam MHPME_PRESYNC_STALL = 10'd32; + localparam MHPME_LSU_SB_WB_STALL = 10'd34; + localparam MHPME_DMA_DCCM_STALL = 10'd35; + localparam MHPME_DMA_ICCM_STALL = 10'd36; + localparam MHPME_EXC_TAKEN = 10'd37; + localparam MHPME_TIMER_INT_TAKEN = 10'd38; + localparam MHPME_EXT_INT_TAKEN = 10'd39; + localparam MHPME_FLUSH_LOWER = 10'd40; + localparam MHPME_BR_ERROR = 10'd41; + localparam MHPME_IBUS_TRANS = 10'd42; + localparam MHPME_DBUS_TRANS = 10'd43; + localparam MHPME_DBUS_MA_TRANS = 10'd44; + localparam MHPME_IBUS_ERROR = 10'd45; + localparam MHPME_DBUS_ERROR = 10'd46; + localparam MHPME_IBUS_STALL = 10'd47; + localparam MHPME_DBUS_STALL = 10'd48; + localparam MHPME_INT_DISABLED = 10'd49; + localparam MHPME_INT_STALLED = 10'd50; + localparam MHPME_INST_BITMANIP = 10'd54; + localparam MHPME_DBUS_LOAD = 10'd55; + localparam MHPME_DBUS_STORE = 10'd56; + localparam MHPME_SLEEP_CYC = 10'd512; + localparam MHPME_DMA_READ_ALL = 10'd513; + localparam MHPME_DMA_WRITE_ALL = 10'd514; + localparam MHPME_DMA_READ_DCCM = 10'd515; + localparam MHPME_DMA_WRITE_DCCM = 10'd516; + assign mhpme_vec[9-:10] = mhpme3[9:0]; + assign mhpme_vec[19-:10] = mhpme4[9:0]; + assign mhpme_vec[29-:10] = mhpme5[9:0]; + assign mhpme_vec[39-:10] = mhpme6[9:0]; + assign pmu_i0_itype_qual[3:0] = dec_tlu_packet_r[3:0] & {4 {tlu_i0_commit_cmt}}; + localparam [3:0] eb1_pkg_ALU = 4'b0100; + localparam [3:0] eb1_pkg_BITMANIPU = 4'b1111; + localparam [3:0] eb1_pkg_CONDBR = 4'b1101; + localparam [3:0] eb1_pkg_CSRREAD = 4'b0101; + localparam [3:0] eb1_pkg_CSRRW = 4'b0111; + localparam [3:0] eb1_pkg_CSRWRITE = 4'b0110; + localparam [3:0] eb1_pkg_FENCE = 4'b1010; + localparam [3:0] eb1_pkg_FENCEI = 4'b1011; + localparam [3:0] eb1_pkg_JAL = 4'b1110; + localparam [3:0] eb1_pkg_LOAD = 4'b0010; + localparam [3:0] eb1_pkg_MUL = 4'b0001; + localparam [3:0] eb1_pkg_STORE = 4'b0011; + generate + genvar i; + for (i = 0; i < 4; i = i + 1) assign mhpmc_inc_r[i] = {~mcountinhibit[i + 3]} & ((((((((((((((((((((((((((((((((((((((((((((((((((((((((({mhpme_vec[(i * 10) + 9-:10] == MHPME_CLK_ACTIVE} & 1'b1) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_ICACHE_HIT} & {ifu_pmu_ic_hit})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_ICACHE_MISS} & {ifu_pmu_ic_miss})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_COMMIT} & {tlu_i0_commit_cmt & ~illegal_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_COMMIT_16B} & {(tlu_i0_commit_cmt & ~exu_pmu_i0_pc4) & ~illegal_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_COMMIT_32B} & {(tlu_i0_commit_cmt & exu_pmu_i0_pc4) & ~illegal_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_ALIGNED} & ifu_pmu_instr_aligned)) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_DECODED} & dec_pmu_instr_decoded)) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DECODE_STALL} & {dec_pmu_decode_stall})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_MUL} & {pmu_i0_itype_qual == eb1_pkg_MUL})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_DIV} & {(dec_tlu_packet_r[6] & tlu_i0_commit_cmt) & ~illegal_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_LOAD} & {pmu_i0_itype_qual == eb1_pkg_LOAD})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_STORE} & {pmu_i0_itype_qual == eb1_pkg_STORE})) | (({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_MALOAD} & {pmu_i0_itype_qual == eb1_pkg_LOAD}) & {dec_tlu_packet_r[4]})) | (({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_MASTORE} & {pmu_i0_itype_qual == eb1_pkg_STORE}) & {dec_tlu_packet_r[4]})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_ALU} & {pmu_i0_itype_qual == eb1_pkg_ALU})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_CSRREAD} & {pmu_i0_itype_qual == eb1_pkg_CSRREAD})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_CSRWRITE} & {pmu_i0_itype_qual == eb1_pkg_CSRWRITE})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_CSRRW} & {pmu_i0_itype_qual == eb1_pkg_CSRRW})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_EBREAK} & {pmu_i0_itype_qual == eb1_pkg_EBREAK})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_ECALL} & {pmu_i0_itype_qual == eb1_pkg_ECALL})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_FENCE} & {pmu_i0_itype_qual == eb1_pkg_FENCE})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_FENCEI} & {pmu_i0_itype_qual == eb1_pkg_FENCEI})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_MRET} & {pmu_i0_itype_qual == eb1_pkg_MRET})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_BRANCH} & {(pmu_i0_itype_qual == eb1_pkg_CONDBR) | (pmu_i0_itype_qual == eb1_pkg_JAL)})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_BRANCH_MP} & {(exu_pmu_i0_br_misp & tlu_i0_commit_cmt) & ~illegal_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_BRANCH_TAKEN} & {(exu_pmu_i0_br_ataken & tlu_i0_commit_cmt) & ~illegal_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_BRANCH_NOTP} & {(dec_tlu_packet_r[7] & tlu_i0_commit_cmt) & ~illegal_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_FETCH_STALL} & {ifu_pmu_fetch_stall})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DECODE_STALL} & {dec_pmu_decode_stall})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_POSTSYNC_STALL} & {dec_pmu_postsync_stall})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_PRESYNC_STALL} & {dec_pmu_presync_stall})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_LSU_SB_WB_STALL} & {lsu_store_stall_any})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DMA_DCCM_STALL} & {dma_dccm_stall_any})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DMA_ICCM_STALL} & {dma_iccm_stall_any})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_EXC_TAKEN} & {(i0_exception_valid_r | i0_trigger_hit_r) | lsu_exc_valid_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_TIMER_INT_TAKEN} & {(take_timer_int | take_int_timer0_int) | take_int_timer1_int})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_EXT_INT_TAKEN} & {take_ext_int})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_FLUSH_LOWER} & {tlu_flush_lower_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_BR_ERROR} & {(dec_tlu_br0_error_r | dec_tlu_br0_start_error_r) & rfpc_i0_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_IBUS_TRANS} & {ifu_pmu_bus_trxn})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DBUS_TRANS} & {lsu_pmu_bus_trxn})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DBUS_MA_TRANS} & {lsu_pmu_bus_misaligned})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_IBUS_ERROR} & {ifu_pmu_bus_error})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DBUS_ERROR} & {lsu_pmu_bus_error})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_IBUS_STALL} & {ifu_pmu_bus_busy})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DBUS_STALL} & {lsu_pmu_bus_busy})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INT_DISABLED} & {~mstatus[MSTATUS_MIE]})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INT_STALLED} & {~mstatus[MSTATUS_MIE] & |(mip[5:0] & mie[5:0])})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_INST_BITMANIP} & {pmu_i0_itype_qual == eb1_pkg_BITMANIPU})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DBUS_LOAD} & {(tlu_i0_commit_cmt & lsu_pmu_load_external_r) & ~illegal_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DBUS_STORE} & {(tlu_i0_commit_cmt & lsu_pmu_store_external_r) & ~illegal_r})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_SLEEP_CYC} & {dec_tlu_pmu_fw_halted})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DMA_READ_ALL} & {dma_pmu_any_read})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DMA_WRITE_ALL} & {dma_pmu_any_write})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DMA_READ_DCCM} & {dma_pmu_dccm_read})) | ({mhpme_vec[(i * 10) + 9-:10] == MHPME_DMA_WRITE_DCCM} & {dma_pmu_dccm_write})); + endgenerate + generate + if (pt[1227-:5]) begin + rvdffie #(.WIDTH(31)) mstatus_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({mdseac_locked_ns, lsu_single_ecc_error_r, lsu_exc_valid_r, lsu_i0_exc_r, take_ext_int_start, take_ext_int_start_d1, take_ext_int_start_d2, ext_int_freeze, mip_ns[5:0], (mcyclel_cout & ~wr_mcycleh_r) & mcyclel_cout_in, minstret_enable, minstretl_cout_ns, fw_halted_ns, meicidpl_ns[3:0], icache_rd_valid, icache_wr_valid, mhpmc_inc_r[3:0], perfcnt_halted, mstatus_ns[1:0]}), + .dout({mdseac_locked_f, lsu_single_ecc_error_r_d1, lsu_exc_valid_r_d1, lsu_i0_exc_r_d1, take_ext_int_start_d1, take_ext_int_start_d2, take_ext_int_start_d3, ext_int_freeze_d1, mip[5:0], mcyclel_cout_f, minstret_enable_f, minstretl_cout_f, fw_halted, meicidpl[3:0], icache_rd_valid_f, icache_wr_valid_f, mhpmc_inc_r_d1[3:0], perfcnt_halted_d1, mstatus[1:0]}) + ); + end + else rvdffie #(.WIDTH(27)) mstatus_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({mdseac_locked_ns, lsu_single_ecc_error_r, lsu_exc_valid_r, lsu_i0_exc_r, mip_ns[5:0], (mcyclel_cout & ~wr_mcycleh_r) & mcyclel_cout_in, minstret_enable, minstretl_cout_ns, fw_halted_ns, meicidpl_ns[3:0], icache_rd_valid, icache_wr_valid, mhpmc_inc_r[3:0], perfcnt_halted, mstatus_ns[1:0]}), + .dout({mdseac_locked_f, lsu_single_ecc_error_r_d1, lsu_exc_valid_r_d1, lsu_i0_exc_r_d1, mip[5:0], mcyclel_cout_f, minstret_enable_f, minstretl_cout_f, fw_halted, meicidpl[3:0], icache_rd_valid_f, icache_wr_valid_f, mhpmc_inc_r_d1[3:0], perfcnt_halted_d1, mstatus[1:0]}) + ); + endgenerate + assign perfcnt_halted = (dec_tlu_dbg_halted & dcsr[DCSR_STOPC]) | dec_tlu_pmu_fw_halted; + assign perfcnt_during_sleep[3:0] = {4 {~(dec_tlu_dbg_halted & dcsr[DCSR_STOPC])}} & {mhpme_vec[39], mhpme_vec[29], mhpme_vec[19], mhpme_vec[9]}; + assign dec_tlu_perfcnt0 = mhpmc_inc_r_d1[0] & ~(perfcnt_halted_d1 & ~perfcnt_during_sleep[0]); + assign dec_tlu_perfcnt1 = mhpmc_inc_r_d1[1] & ~(perfcnt_halted_d1 & ~perfcnt_during_sleep[1]); + assign dec_tlu_perfcnt2 = mhpmc_inc_r_d1[2] & ~(perfcnt_halted_d1 & ~perfcnt_during_sleep[2]); + assign dec_tlu_perfcnt3 = mhpmc_inc_r_d1[3] & ~(perfcnt_halted_d1 & ~perfcnt_during_sleep[3]); + localparam MHPMC3 = 12'hb03; + localparam MHPMC3H = 12'hb83; + assign mhpmc3_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC3); + assign mhpmc3_wr_en1 = (~perfcnt_halted | perfcnt_during_sleep[0]) & |mhpmc_inc_r[0]; + assign mhpmc3_wr_en = mhpmc3_wr_en0 | mhpmc3_wr_en1; + assign mhpmc3_incr[63:0] = {mhpmc3h[31:0], mhpmc3[31:0]} + 64'b0000000000000000000000000000000000000000000000000000000000000001; + assign mhpmc3_ns[31:0] = (mhpmc3_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc3_incr[31:0]); + rvdffe #(.WIDTH(32)) mhpmc3_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(mhpmc3_wr_en), + .din(mhpmc3_ns[31:0]), + .dout(mhpmc3[31:0]) + ); + assign mhpmc3h_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC3H); + assign mhpmc3h_wr_en = mhpmc3h_wr_en0 | mhpmc3_wr_en1; + assign mhpmc3h_ns[31:0] = (mhpmc3h_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc3_incr[63:32]); + rvdffe #(.WIDTH(32)) mhpmc3h_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(mhpmc3h_wr_en), + .din(mhpmc3h_ns[31:0]), + .dout(mhpmc3h[31:0]) + ); + localparam MHPMC4 = 12'hb04; + localparam MHPMC4H = 12'hb84; + assign mhpmc4_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC4); + assign mhpmc4_wr_en1 = (~perfcnt_halted | perfcnt_during_sleep[1]) & |mhpmc_inc_r[1]; + assign mhpmc4_wr_en = mhpmc4_wr_en0 | mhpmc4_wr_en1; + assign mhpmc4_incr[63:0] = {mhpmc4h[31:0], mhpmc4[31:0]} + 64'b0000000000000000000000000000000000000000000000000000000000000001; + assign mhpmc4_ns[31:0] = (mhpmc4_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc4_incr[31:0]); + rvdffe #(.WIDTH(32)) mhpmc4_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(mhpmc4_wr_en), + .din(mhpmc4_ns[31:0]), + .dout(mhpmc4[31:0]) + ); + assign mhpmc4h_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC4H); + assign mhpmc4h_wr_en = mhpmc4h_wr_en0 | mhpmc4_wr_en1; + assign mhpmc4h_ns[31:0] = (mhpmc4h_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc4_incr[63:32]); + rvdffe #(.WIDTH(32)) mhpmc4h_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(mhpmc4h_wr_en), + .din(mhpmc4h_ns[31:0]), + .dout(mhpmc4h[31:0]) + ); + localparam MHPMC5 = 12'hb05; + localparam MHPMC5H = 12'hb85; + assign mhpmc5_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC5); + assign mhpmc5_wr_en1 = (~perfcnt_halted | perfcnt_during_sleep[2]) & |mhpmc_inc_r[2]; + assign mhpmc5_wr_en = mhpmc5_wr_en0 | mhpmc5_wr_en1; + assign mhpmc5_incr[63:0] = {mhpmc5h[31:0], mhpmc5[31:0]} + 64'b0000000000000000000000000000000000000000000000000000000000000001; + assign mhpmc5_ns[31:0] = (mhpmc5_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc5_incr[31:0]); + rvdffe #(.WIDTH(32)) mhpmc5_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(mhpmc5_wr_en), + .din(mhpmc5_ns[31:0]), + .dout(mhpmc5[31:0]) + ); + assign mhpmc5h_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC5H); + assign mhpmc5h_wr_en = mhpmc5h_wr_en0 | mhpmc5_wr_en1; + assign mhpmc5h_ns[31:0] = (mhpmc5h_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc5_incr[63:32]); + rvdffe #(.WIDTH(32)) mhpmc5h_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(mhpmc5h_wr_en), + .din(mhpmc5h_ns[31:0]), + .dout(mhpmc5h[31:0]) + ); + localparam MHPMC6 = 12'hb06; + localparam MHPMC6H = 12'hb86; + assign mhpmc6_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC6); + assign mhpmc6_wr_en1 = (~perfcnt_halted | perfcnt_during_sleep[3]) & |mhpmc_inc_r[3]; + assign mhpmc6_wr_en = mhpmc6_wr_en0 | mhpmc6_wr_en1; + assign mhpmc6_incr[63:0] = {mhpmc6h[31:0], mhpmc6[31:0]} + 64'b0000000000000000000000000000000000000000000000000000000000000001; + assign mhpmc6_ns[31:0] = (mhpmc6_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc6_incr[31:0]); + rvdffe #(.WIDTH(32)) mhpmc6_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(mhpmc6_wr_en), + .din(mhpmc6_ns[31:0]), + .dout(mhpmc6[31:0]) + ); + assign mhpmc6h_wr_en0 = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPMC6H); + assign mhpmc6h_wr_en = mhpmc6h_wr_en0 | mhpmc6_wr_en1; + assign mhpmc6h_ns[31:0] = (mhpmc6h_wr_en0 ? dec_csr_wrdata_r[31:0] : mhpmc6_incr[63:32]); + rvdffe #(.WIDTH(32)) mhpmc6h_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en(mhpmc6h_wr_en), + .din(mhpmc6h_ns[31:0]), + .dout(mhpmc6h[31:0]) + ); + localparam MHPME3 = 12'h323; + assign zero_event_r = (((((dec_csr_wrdata_r[9:0] > 10'd516) | |dec_csr_wrdata_r[31:10]) | ((dec_csr_wrdata_r[9:0] < 10'd512) & (dec_csr_wrdata_r[9:0] > 10'd56))) | ((dec_csr_wrdata_r[9:0] < 10'd54) & (dec_csr_wrdata_r[9:0] > 10'd50))) | (dec_csr_wrdata_r[9:0] == 10'd29)) | (dec_csr_wrdata_r[9:0] == 10'd33); + assign event_r[9:0] = (zero_event_r ? {10 {1'sb0}} : dec_csr_wrdata_r[9:0]); + assign wr_mhpme3_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPME3); + rvdffe #(.WIDTH(10)) mhpme3_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mhpme3_r), + .din(event_r[9:0]), + .dout(mhpme3[9:0]) + ); + localparam MHPME4 = 12'h324; + assign wr_mhpme4_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPME4); + rvdffe #(.WIDTH(10)) mhpme4_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mhpme4_r), + .din(event_r[9:0]), + .dout(mhpme4[9:0]) + ); + localparam MHPME5 = 12'h325; + assign wr_mhpme5_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPME5); + rvdffe #(.WIDTH(10)) mhpme5_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mhpme5_r), + .din(event_r[9:0]), + .dout(mhpme5[9:0]) + ); + localparam MHPME6 = 12'h326; + assign wr_mhpme6_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MHPME6); + rvdffe #(.WIDTH(10)) mhpme6_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mhpme6_r), + .din(event_r[9:0]), + .dout(mhpme6[9:0]) + ); + localparam MCOUNTINHIBIT = 12'h320; + assign wr_mcountinhibit_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MCOUNTINHIBIT); + rvdffs #(.WIDTH(6)) mcountinhibit_ff( + .rst_l(rst_l), + .clk(csr_wr_clk), + .en(wr_mcountinhibit_r), + .din({dec_csr_wrdata_r[6:2], dec_csr_wrdata_r[0]}), + .dout({mcountinhibit[6:2], mcountinhibit[0]}) + ); + assign mcountinhibit[1] = 1'b0; + wire [4:0] dec_tlu_exc_cause_wb1_raw; + wire [4:0] dec_tlu_exc_cause_wb2; + wire dec_tlu_int_valid_wb1_raw; + wire dec_tlu_int_valid_wb2; + assign {dec_tlu_i0_valid_wb1, dec_tlu_i0_exc_valid_wb1, dec_tlu_exc_cause_wb1_raw[4:0], dec_tlu_int_valid_wb1_raw} = {8 {~dec_tlu_trace_disable}} & {i0_valid_wb, (i0_exception_valid_r_d1 | lsu_i0_exc_r_d1) | (trigger_hit_r_d1 & ~trigger_hit_dmode_r_d1), exc_cause_wb[4:0], interrupt_valid_r_d1}; + rvdffie #( + .WIDTH(6), + .OVERRIDE(1) + ) traceskidff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .din({dec_tlu_exc_cause_wb1_raw[4:0], dec_tlu_int_valid_wb1_raw}), + .dout({dec_tlu_exc_cause_wb2[4:0], dec_tlu_int_valid_wb2}) + ); + assign dec_tlu_exc_cause_wb1[4:0] = (dec_tlu_int_valid_wb2 ? dec_tlu_exc_cause_wb2[4:0] : dec_tlu_exc_cause_wb1_raw[4:0]); + assign dec_tlu_int_valid_wb1 = dec_tlu_int_valid_wb2; + assign dec_tlu_mtval_wb1 = mtval[31:0]; + assign csr_misa = (((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[0]; + assign csr_mvendorid = ((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_marchid = ((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mimpid = ((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_mhartid = (dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[2]; + assign csr_mstatus = (((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[0]; + assign csr_mtvec = (((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[0]; + assign csr_mip = (!dec_csr_rdaddr_d[7] & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[2]; + assign csr_mie = (((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[0]; + assign csr_mcyclel = ((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]; + assign csr_mcycleh = (((((dec_csr_rdaddr_d[7] & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]; + assign csr_minstretl = (((((!dec_csr_rdaddr_d[7] & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_minstreth = (((((!dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mscratch = (((!dec_csr_rdaddr_d[7] & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mepc = ((!dec_csr_rdaddr_d[7] & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_mcause = ((!dec_csr_rdaddr_d[7] & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mscause = (dec_csr_rdaddr_d[6] & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[2]; + assign csr_mtval = ((!dec_csr_rdaddr_d[7] & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_mrac = ((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]; + assign csr_dmst = (((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]; + assign csr_mdseac = ((dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]; + assign csr_meihap = (dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[3]; + assign csr_meivt = ((((!dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_meipt = ((dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_meicurpl = (dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[2]; + assign csr_meicidpl = ((dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_dcsr = (((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[0]; + assign csr_mcgc = ((dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[0]; + assign csr_mfdc = (((dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_dpc = (((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[0]; + assign csr_mtsel = (((dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mtdata1 = ((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[0]; + assign csr_mtdata2 = ((dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[1]; + assign csr_mhpmc3 = ((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[0]; + assign csr_mhpmc4 = (((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mhpmc5 = ((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_mhpmc6 = (((((!dec_csr_rdaddr_d[7] & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mhpmc3h = ((((dec_csr_rdaddr_d[7] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_mhpmc4h = (((((dec_csr_rdaddr_d[7] & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mhpmc5h = ((((dec_csr_rdaddr_d[7] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_mhpmc6h = (((((dec_csr_rdaddr_d[7] & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mhpme3 = ((((!dec_csr_rdaddr_d[7] & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[0]; + assign csr_mhpme4 = ((((dec_csr_rdaddr_d[5] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mhpme5 = ((((dec_csr_rdaddr_d[5] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_mhpme6 = ((((dec_csr_rdaddr_d[5] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mcountinhibit = ((((!dec_csr_rdaddr_d[7] & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[0]; + assign csr_mitctl0 = (((dec_csr_rdaddr_d[6] & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mitctl1 = (((dec_csr_rdaddr_d[6] & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_mitb0 = (((dec_csr_rdaddr_d[6] & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[0]; + assign csr_mitb1 = (((dec_csr_rdaddr_d[6] & dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mitcnt0 = (((dec_csr_rdaddr_d[6] & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[0]; + assign csr_mitcnt1 = ((dec_csr_rdaddr_d[6] & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_mpmc = (((dec_csr_rdaddr_d[6] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]; + assign csr_meicpct = ((dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_micect = (((dec_csr_rdaddr_d[6] & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_miccmect = ((dec_csr_rdaddr_d[6] & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[0]; + assign csr_mdccmect = ((dec_csr_rdaddr_d[6] & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mfdht = (((dec_csr_rdaddr_d[6] & dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_mfdhs = ((dec_csr_rdaddr_d[6] & !dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[0]; + assign csr_dicawics = ((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_dicad0h = ((dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]; + assign csr_dicad0 = (((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign csr_dicad1 = (((dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]; + assign csr_dicago = (((dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]; + assign presync = ((((((((dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]) | (((((!dec_csr_rdaddr_d[7] & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[0])) | (((((!dec_csr_rdaddr_d[6] & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1])) | ((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1])) | ((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0])) | (((((dec_csr_rdaddr_d[7] & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]); + assign postsync = (((((((((dec_csr_rdaddr_d[10] & dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0]) | ((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[0])) | (((!dec_csr_rdaddr_d[7] & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0])) | (((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[0])) | ((((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[0])) | (((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1])) | ((((dec_csr_rdaddr_d[10] & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]); + assign legal = (((((((((((((((((((((((((((((((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0]) | (((((((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1])) | ((((((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0])) | (((((((((dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0])) | ((((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[0])) | (((((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0])) | (((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1])) | (((((((((dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[0])) | (((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1])) | (((((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[2])) | ((((((((((dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0])) | (((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[1])) | (((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[2])) | (((((((((dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & dec_csr_rdaddr_d[1])) | ((((((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[1]) & dec_csr_rdaddr_d[0])) | ((((((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2])) | (((((((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0])) | ((((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[2])) | (((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & dec_csr_rdaddr_d[1])) | ((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[0])) | (((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2])) | ((((((((((!dec_csr_rdaddr_d[11] & dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2]) & !dec_csr_rdaddr_d[0])) | ((((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[1])) | (((((((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[2])) | (((((((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[5]) & !dec_csr_rdaddr_d[4]) & !dec_csr_rdaddr_d[3]) & !dec_csr_rdaddr_d[1]) & !dec_csr_rdaddr_d[0])) | (((((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[3])) | ((((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[3])) | (((((((!dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[7]) & !dec_csr_rdaddr_d[6]) & dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4])) | ((((((dec_csr_rdaddr_d[11] & !dec_csr_rdaddr_d[10]) & dec_csr_rdaddr_d[9]) & dec_csr_rdaddr_d[8]) & !dec_csr_rdaddr_d[6]) & !dec_csr_rdaddr_d[5]) & dec_csr_rdaddr_d[4]); + assign dec_tlu_presync_d = (presync & dec_csr_any_unq_d) & ~dec_csr_wen_unq_d; + assign dec_tlu_postsync_d = postsync & dec_csr_any_unq_d; + assign conditionally_illegal = (((((csr_mitcnt0 | csr_mitcnt1) | csr_mitb0) | csr_mitb1) | csr_mitctl0) | csr_mitctl1) & !pt[4-:5]; + assign valid_csr = ((legal & (~(((((((csr_dcsr | csr_dpc) | csr_dmst) | csr_dicawics) | csr_dicad0) | csr_dicad0h) | csr_dicad1) | csr_dicago) | dbg_tlu_halted_f)) & ~fast_int_meicpct) & ~conditionally_illegal; + assign dec_csr_legal_d = (dec_csr_any_unq_d & valid_csr) & ~(dec_csr_wen_unq_d & (((((csr_mvendorid | csr_marchid) | csr_mimpid) | csr_mhartid) | csr_mdseac) | csr_meihap)); + assign dec_csr_rddata_d[31:0] = ((((((((((((((((((((((((((((((((((((((((((((((((((((((({32 {csr_misa}} & 32'h40201104) | ({32 {csr_mvendorid}} & 32'h00000045)) | ({32 {csr_marchid}} & 32'h00000010)) | ({32 {csr_mimpid}} & 32'h00000003)) | ({32 {csr_mhartid}} & {core_id[31:4], 4'b0000})) | ({32 {csr_mstatus}} & {{15 {1'b0}}, 2'b01, 2'b00, 2'b11, 3'b000, mstatus[1], 3'b000, mstatus[0], 3'b000})) | ({32 {csr_mtvec}} & {mtvec[30:1], 1'b0, mtvec[0]})) | ({32 {csr_mip}} & {1'b0, mip[5:3], 16'b0000000000000000, mip[2], 3'b000, mip[1], 3'b000, mip[0], 3'b000})) | ({32 {csr_mie}} & {1'b0, mie[5:3], 16'b0000000000000000, mie[2], 3'b000, mie[1], 3'b000, mie[0], 3'b000})) | ({32 {csr_mcyclel}} & mcyclel[31:0])) | ({32 {csr_mcycleh}} & mcycleh_inc[31:0])) | ({32 {csr_minstretl}} & minstretl_read[31:0])) | ({32 {csr_minstreth}} & minstreth_read[31:0])) | ({32 {csr_mscratch}} & mscratch[31:0])) | ({32 {csr_mepc}} & {mepc[31:1], 1'b0})) | ({32 {csr_mcause}} & mcause[31:0])) | ({32 {csr_mscause}} & {28'b0000000000000000000000000000, mscause[3:0]})) | ({32 {csr_mtval}} & mtval[31:0])) | ({32 {csr_mrac}} & mrac[31:0])) | ({32 {csr_mdseac}} & mdseac[31:0])) | ({32 {csr_meivt}} & {meivt[31:10], 10'b0000000000})) | ({32 {csr_meihap}} & {meivt[31:10], meihap[9:2], 2'b00})) | ({32 {csr_meicurpl}} & {28'b0000000000000000000000000000, meicurpl[3:0]})) | ({32 {csr_meicidpl}} & {28'b0000000000000000000000000000, meicidpl[3:0]})) | ({32 {csr_meipt}} & {28'b0000000000000000000000000000, meipt[3:0]})) | ({32 {csr_mcgc}} & {22'b0000000000000000000000, mcgc[9:0]})) | ({32 {csr_mfdc}} & {13'b0000000000000, mfdc[18:0]})) | ({32 {csr_dcsr}} & {16'h4000, dcsr[15:2], 2'b11})) | ({32 {csr_dpc}} & {dpc[31:1], 1'b0})) | ({32 {csr_dicad0}} & dicad0[31:0])) | ({32 {csr_dicad0h}} & dicad0h[31:0])) | ({32 {csr_dicad1}} & dicad1[31:0])) | ({32 {csr_dicawics}} & {7'b0000000, dicawics[16], 2'b00, dicawics[15:14], 3'b000, dicawics[13:0], 3'b000})) | ({32 {csr_mtsel}} & {30'b000000000000000000000000000000, mtsel[1:0]})) | ({32 {csr_mtdata1}} & {mtdata1_tsel_out[31:0]})) | ({32 {csr_mtdata2}} & {mtdata2_tsel_out[31:0]})) | ({32 {csr_micect}} & {micect[31:0]})) | ({32 {csr_miccmect}} & {miccmect[31:0]})) | ({32 {csr_mdccmect}} & {mdccmect[31:0]})) | ({32 {csr_mhpmc3}} & mhpmc3[31:0])) | ({32 {csr_mhpmc4}} & mhpmc4[31:0])) | ({32 {csr_mhpmc5}} & mhpmc5[31:0])) | ({32 {csr_mhpmc6}} & mhpmc6[31:0])) | ({32 {csr_mhpmc3h}} & mhpmc3h[31:0])) | ({32 {csr_mhpmc4h}} & mhpmc4h[31:0])) | ({32 {csr_mhpmc5h}} & mhpmc5h[31:0])) | ({32 {csr_mhpmc6h}} & mhpmc6h[31:0])) | ({32 {csr_mfdht}} & {26'b00000000000000000000000000, mfdht[5:0]})) | ({32 {csr_mfdhs}} & {30'b000000000000000000000000000000, mfdhs[1:0]})) | ({32 {csr_mhpme3}} & {22'b0000000000000000000000, mhpme3[9:0]})) | ({32 {csr_mhpme4}} & {22'b0000000000000000000000, mhpme4[9:0]})) | ({32 {csr_mhpme5}} & {22'b0000000000000000000000, mhpme5[9:0]})) | ({32 {csr_mhpme6}} & {22'b0000000000000000000000, mhpme6[9:0]})) | ({32 {csr_mcountinhibit}} & {25'b0000000000000000000000000, mcountinhibit[6:0]})) | ({32 {csr_mpmc}} & {30'b000000000000000000000000000000, mpmc[1], 1'b0})) | ({32 {dec_timer_read_d}} & dec_timer_rddata_d[31:0]); +endmodule +module eb1_dec_timer_ctl ( + clk, + free_l2clk, + csr_wr_clk, + rst_l, + dec_csr_wen_r_mod, + dec_csr_wraddr_r, + dec_csr_wrdata_r, + csr_mitctl0, + csr_mitctl1, + csr_mitb0, + csr_mitb1, + csr_mitcnt0, + csr_mitcnt1, + dec_pause_state, + dec_tlu_pmu_fw_halted, + internal_dbg_halt_timers, + dec_timer_rddata_d, + dec_timer_read_d, + dec_timer_t0_pulse, + dec_timer_t1_pulse, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire free_l2clk; + input wire csr_wr_clk; + input wire rst_l; + input wire dec_csr_wen_r_mod; + input wire [11:0] dec_csr_wraddr_r; + input wire [31:0] dec_csr_wrdata_r; + input wire csr_mitctl0; + input wire csr_mitctl1; + input wire csr_mitb0; + input wire csr_mitb1; + input wire csr_mitcnt0; + input wire csr_mitcnt1; + input wire dec_pause_state; + input wire dec_tlu_pmu_fw_halted; + input wire internal_dbg_halt_timers; + output wire [31:0] dec_timer_rddata_d; + output wire dec_timer_read_d; + output wire dec_timer_t0_pulse; + output wire dec_timer_t1_pulse; + input wire scan_mode; + localparam MITCTL_ENABLE = 0; + localparam MITCTL_ENABLE_HALTED = 1; + localparam MITCTL_ENABLE_PAUSED = 2; + wire [31:0] mitcnt0_ns; + wire [31:0] mitcnt0; + wire [31:0] mitcnt1_ns; + wire [31:0] mitcnt1; + wire [31:0] mitb0; + wire [31:0] mitb1; + wire [31:0] mitb0_b; + wire [31:0] mitb1_b; + wire [31:0] mitcnt0_inc; + wire [31:0] mitcnt1_inc; + wire [2:0] mitctl0_ns; + wire [2:0] mitctl0; + wire [3:0] mitctl1_ns; + wire [3:0] mitctl1; + wire wr_mitcnt0_r; + wire wr_mitcnt1_r; + wire wr_mitb0_r; + wire wr_mitb1_r; + wire wr_mitctl0_r; + wire wr_mitctl1_r; + wire mitcnt0_inc_ok; + wire mitcnt1_inc_ok; + wire mitcnt0_inc_cout; + wire mitcnt1_inc_cout; + wire mit0_match_ns; + wire mit1_match_ns; + wire mitctl0_0_b_ns; + wire mitctl0_0_b; + wire mitctl1_0_b_ns; + wire mitctl1_0_b; + assign mit0_match_ns = mitcnt0[31:0] >= mitb0[31:0]; + assign mit1_match_ns = mitcnt1[31:0] >= mitb1[31:0]; + assign dec_timer_t0_pulse = mit0_match_ns; + assign dec_timer_t1_pulse = mit1_match_ns; + localparam MITCNT0 = 12'h7d2; + assign wr_mitcnt0_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITCNT0); + assign mitcnt0_inc_ok = ((mitctl0[MITCTL_ENABLE] & (~dec_pause_state | mitctl0[MITCTL_ENABLE_PAUSED])) & (~dec_tlu_pmu_fw_halted | mitctl0[MITCTL_ENABLE_HALTED])) & ~internal_dbg_halt_timers; + assign {mitcnt0_inc_cout, mitcnt0_inc[7:0]} = mitcnt0[7:0] + 8'b00000001; + assign mitcnt0_inc[31:8] = mitcnt0[31:8] + {23'b00000000000000000000000, mitcnt0_inc_cout}; + assign mitcnt0_ns[31:0] = (wr_mitcnt0_r ? dec_csr_wrdata_r[31:0] : (mit0_match_ns ? 'b0 : mitcnt0_inc[31:0])); + rvdffe #(.WIDTH(24)) mitcnt0_ffb( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en((wr_mitcnt0_r | (mitcnt0_inc_ok & mitcnt0_inc_cout)) | mit0_match_ns), + .din(mitcnt0_ns[31:8]), + .dout(mitcnt0[31:8]) + ); + rvdffe #(.WIDTH(8)) mitcnt0_ffa( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en((wr_mitcnt0_r | mitcnt0_inc_ok) | mit0_match_ns), + .din(mitcnt0_ns[7:0]), + .dout(mitcnt0[7:0]) + ); + localparam MITCNT1 = 12'h7d5; + assign wr_mitcnt1_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITCNT1); + assign mitcnt1_inc_ok = (((mitctl1[MITCTL_ENABLE] & (~dec_pause_state | mitctl1[MITCTL_ENABLE_PAUSED])) & (~dec_tlu_pmu_fw_halted | mitctl1[MITCTL_ENABLE_HALTED])) & ~internal_dbg_halt_timers) & (~mitctl1[3] | mit0_match_ns); + assign {mitcnt1_inc_cout, mitcnt1_inc[7:0]} = mitcnt1[7:0] + 8'b00000001; + assign mitcnt1_inc[31:8] = mitcnt1[31:8] + {23'b00000000000000000000000, mitcnt1_inc_cout}; + assign mitcnt1_ns[31:0] = (wr_mitcnt1_r ? dec_csr_wrdata_r[31:0] : (mit1_match_ns ? 'b0 : mitcnt1_inc[31:0])); + rvdffe #(.WIDTH(24)) mitcnt1_ffb( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en((wr_mitcnt1_r | (mitcnt1_inc_ok & mitcnt1_inc_cout)) | mit1_match_ns), + .din(mitcnt1_ns[31:8]), + .dout(mitcnt1[31:8]) + ); + rvdffe #(.WIDTH(8)) mitcnt1_ffa( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .en((wr_mitcnt1_r | mitcnt1_inc_ok) | mit1_match_ns), + .din(mitcnt1_ns[7:0]), + .dout(mitcnt1[7:0]) + ); + localparam MITB0 = 12'h7d3; + assign wr_mitb0_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITB0); + rvdffe #(.WIDTH(32)) mitb0_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mitb0_r), + .din(~dec_csr_wrdata_r[31:0]), + .dout(mitb0_b[31:0]) + ); + assign mitb0[31:0] = ~mitb0_b[31:0]; + localparam MITB1 = 12'h7d6; + assign wr_mitb1_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITB1); + rvdffe #(.WIDTH(32)) mitb1_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(wr_mitb1_r), + .din(~dec_csr_wrdata_r[31:0]), + .dout(mitb1_b[31:0]) + ); + assign mitb1[31:0] = ~mitb1_b[31:0]; + localparam MITCTL0 = 12'h7d4; + assign wr_mitctl0_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITCTL0); + assign mitctl0_ns[2:0] = (wr_mitctl0_r ? {dec_csr_wrdata_r[2:0]} : {mitctl0[2:0]}); + assign mitctl0_0_b_ns = ~mitctl0_ns[0]; + rvdffs #(.WIDTH(3)) mitctl0_ff( + .rst_l(rst_l), + .clk(csr_wr_clk), + .en(wr_mitctl0_r), + .din({mitctl0_ns[2:1], mitctl0_0_b_ns}), + .dout({mitctl0[2:1], mitctl0_0_b}) + ); + assign mitctl0[0] = ~mitctl0_0_b; + localparam MITCTL1 = 12'h7d7; + assign wr_mitctl1_r = dec_csr_wen_r_mod & (dec_csr_wraddr_r[11:0] == MITCTL1); + assign mitctl1_ns[3:0] = (wr_mitctl1_r ? {dec_csr_wrdata_r[3:0]} : {mitctl1[3:0]}); + assign mitctl1_0_b_ns = ~mitctl1_ns[0]; + rvdffs #(.WIDTH(4)) mitctl1_ff( + .rst_l(rst_l), + .clk(csr_wr_clk), + .en(wr_mitctl1_r), + .din({mitctl1_ns[3:1], mitctl1_0_b_ns}), + .dout({mitctl1[3:1], mitctl1_0_b}) + ); + assign mitctl1[0] = ~mitctl1_0_b; + assign dec_timer_read_d = ((((csr_mitcnt1 | csr_mitcnt0) | csr_mitb1) | csr_mitb0) | csr_mitctl0) | csr_mitctl1; + assign dec_timer_rddata_d[31:0] = ((((({32 {csr_mitcnt0}} & mitcnt0[31:0]) | ({32 {csr_mitcnt1}} & mitcnt1[31:0])) | ({32 {csr_mitb0}} & mitb0[31:0])) | ({32 {csr_mitb1}} & mitb1[31:0])) | ({32 {csr_mitctl0}} & {29'b00000000000000000000000000000, mitctl0[2:0]})) | ({32 {csr_mitctl1}} & {28'b0000000000000000000000000000, mitctl1[3:0]}); +endmodule +module eb1_dec_trigger ( + trigger_pkt_any, + dec_i0_pc_d, + dec_i0_trigger_match_d +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire [151:0] trigger_pkt_any; + input wire [31:1] dec_i0_pc_d; + output wire [3:0] dec_i0_trigger_match_d; + wire [127:0] dec_i0_match_data; + wire [3:0] dec_i0_trigger_data_match; + generate + genvar i; + for (i = 0; i < 4; i = i + 1) begin + assign dec_i0_match_data[(i * 32) + 31-:32] = {32 {~trigger_pkt_any[(i * 38) + 37] & trigger_pkt_any[(i * 38) + 33]}} & {dec_i0_pc_d[31:1], trigger_pkt_any[i * 38]}; + rvmaskandmatch trigger_i0_match( + .mask(trigger_pkt_any[(i * 38) + 31-:32]), + .data(dec_i0_match_data[(i * 32) + 31-:32]), + .masken(trigger_pkt_any[(i * 38) + 36]), + .match(dec_i0_trigger_data_match[i]) + ); + assign dec_i0_trigger_match_d[i] = (trigger_pkt_any[(i * 38) + 33] & trigger_pkt_any[(i * 38) + 32]) & dec_i0_trigger_data_match[i]; + end + endgenerate +endmodule +module eb1_exu ( + clk, + rst_l, + scan_mode, + dec_data_en, + dec_ctl_en, + dbg_cmd_wrdata, + i0_ap, + dec_debug_wdata_rs1_d, + dec_i0_predict_p_d, + i0_predict_fghr_d, + i0_predict_index_d, + i0_predict_btag_d, + lsu_result_m, + lsu_nonblock_load_data, + dec_i0_rs1_en_d, + dec_i0_rs2_en_d, + gpr_i0_rs1_d, + gpr_i0_rs2_d, + dec_i0_immed_d, + dec_i0_result_r, + dec_i0_br_immed_d, + dec_i0_alu_decode_d, + dec_i0_branch_d, + dec_i0_select_pc_d, + dec_i0_pc_d, + dec_i0_rs1_bypass_en_d, + dec_i0_rs2_bypass_en_d, + dec_csr_ren_d, + dec_csr_rddata_d, + dec_qual_lsu_d, + mul_p, + div_p, + dec_div_cancel, + pred_correct_npc_x, + dec_tlu_flush_lower_r, + dec_tlu_flush_path_r, + dec_extint_stall, + dec_tlu_meihap, + exu_lsu_rs1_d, + exu_lsu_rs2_d, + exu_flush_final, + exu_flush_path_final, + exu_i0_result_x, + exu_i0_pc_x, + exu_csr_rs1_x, + exu_npc_r, + exu_i0_br_hist_r, + exu_i0_br_error_r, + exu_i0_br_start_error_r, + exu_i0_br_index_r, + exu_i0_br_valid_r, + exu_i0_br_mp_r, + exu_i0_br_middle_r, + exu_i0_br_fghr_r, + exu_i0_br_way_r, + exu_mp_pkt, + exu_mp_eghr, + exu_mp_fghr, + exu_mp_index, + exu_mp_btag, + exu_pmu_i0_br_misp, + exu_pmu_i0_br_ataken, + exu_pmu_i0_pc4, + exu_div_result, + exu_div_wren +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire [1:0] dec_data_en; + input wire [1:0] dec_ctl_en; + input wire [31:0] dbg_cmd_wrdata; + input wire [43:0] i0_ap; + input wire dec_debug_wdata_rs1_d; + input wire [55:0] dec_i0_predict_p_d; + input wire [pt[2236-:8] - 1:0] i0_predict_fghr_d; + input wire [pt[2172-:9]:pt[2163-:6]] i0_predict_index_d; + input wire [pt[2139-:9] - 1:0] i0_predict_btag_d; + input wire [31:0] lsu_result_m; + input wire [31:0] lsu_nonblock_load_data; + input wire dec_i0_rs1_en_d; + input wire dec_i0_rs2_en_d; + input wire [31:0] gpr_i0_rs1_d; + input wire [31:0] gpr_i0_rs2_d; + input wire [31:0] dec_i0_immed_d; + input wire [31:0] dec_i0_result_r; + input wire [12:1] dec_i0_br_immed_d; + input wire dec_i0_alu_decode_d; + input wire dec_i0_branch_d; + input wire dec_i0_select_pc_d; + input wire [31:1] dec_i0_pc_d; + input wire [3:0] dec_i0_rs1_bypass_en_d; + input wire [3:0] dec_i0_rs2_bypass_en_d; + input wire dec_csr_ren_d; + input wire [31:0] dec_csr_rddata_d; + input wire dec_qual_lsu_d; + input wire [19:0] mul_p; + input wire [2:0] div_p; + input wire dec_div_cancel; + input wire [31:1] pred_correct_npc_x; + input wire dec_tlu_flush_lower_r; + input wire [31:1] dec_tlu_flush_path_r; + input wire dec_extint_stall; + input wire [31:2] dec_tlu_meihap; + output wire [31:0] exu_lsu_rs1_d; + output wire [31:0] exu_lsu_rs2_d; + output wire exu_flush_final; + output wire [31:1] exu_flush_path_final; + output wire [31:0] exu_i0_result_x; + output wire [31:1] exu_i0_pc_x; + output wire [31:0] exu_csr_rs1_x; + output wire [31:1] exu_npc_r; + output wire [1:0] exu_i0_br_hist_r; + output wire exu_i0_br_error_r; + output wire exu_i0_br_start_error_r; + output wire [pt[2172-:9]:pt[2163-:6]] exu_i0_br_index_r; + output wire exu_i0_br_valid_r; + output wire exu_i0_br_mp_r; + output wire exu_i0_br_middle_r; + output wire [pt[2236-:8] - 1:0] exu_i0_br_fghr_r; + output wire exu_i0_br_way_r; + output wire [55:0] exu_mp_pkt; + output wire [pt[2236-:8] - 1:0] exu_mp_eghr; + output wire [pt[2236-:8] - 1:0] exu_mp_fghr; + output wire [pt[2172-:9]:pt[2163-:6]] exu_mp_index; + output wire [pt[2139-:9] - 1:0] exu_mp_btag; + output wire exu_pmu_i0_br_misp; + output wire exu_pmu_i0_br_ataken; + output wire exu_pmu_i0_pc4; + output wire [31:0] exu_div_result; + output wire exu_div_wren; + wire [31:0] i0_rs1_bypass_data_d; + wire [31:0] i0_rs2_bypass_data_d; + wire i0_rs1_bypass_en_d; + wire i0_rs2_bypass_en_d; + wire [31:0] i0_rs1_d; + wire [31:0] i0_rs2_d; + wire [31:0] muldiv_rs1_d; + wire [31:1] pred_correct_npc_r; + wire i0_pred_correct_upper_r; + wire [31:1] i0_flush_path_upper_r; + wire x_data_en; + wire x_data_en_q1; + wire x_data_en_q2; + wire r_data_en; + wire r_data_en_q2; + wire x_ctl_en; + wire r_ctl_en; + wire [pt[2236-:8] - 1:0] ghr_d_ns; + wire [pt[2236-:8] - 1:0] ghr_d; + wire [pt[2236-:8] - 1:0] ghr_x_ns; + wire [pt[2236-:8] - 1:0] ghr_x; + wire i0_taken_d; + wire i0_taken_x; + wire i0_valid_d; + wire i0_valid_x; + wire [pt[2236-:8] - 1:0] after_flush_eghr; + wire [55:0] final_predict_mp; + reg [55:0] i0_predict_newp_d; + wire flush_in_d; + wire [31:0] alu_result_x; + wire mul_valid_x; + wire [31:0] mul_result_x; + wire [55:0] i0_pp_r; + wire i0_flush_upper_d; + wire [31:1] i0_flush_path_d; + wire [55:0] i0_predict_p_d; + wire i0_pred_correct_upper_d; + wire i0_flush_upper_x; + wire [31:1] i0_flush_path_x; + wire [55:0] i0_predict_p_x; + wire i0_pred_correct_upper_x; + wire i0_branch_x; + localparam PREDPIPESIZE = (((pt[2172-:9] - pt[2163-:6]) + 1) + pt[2236-:8]) + pt[2139-:9]; + wire [PREDPIPESIZE - 1:0] predpipe_d; + wire [PREDPIPESIZE - 1:0] predpipe_x; + wire [PREDPIPESIZE - 1:0] predpipe_r; + wire [PREDPIPESIZE - 1:0] final_predpipe_mp; + rvdffpcie #(.WIDTH(31)) i_flush_path_x_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(x_data_en), + .din(i0_flush_path_d[31:1]), + .dout(i0_flush_path_x[31:1]) + ); + rvdffe #(.WIDTH(32)) i_csr_rs1_x_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(x_data_en_q1), + .din(i0_rs1_d[31:0]), + .dout(exu_csr_rs1_x[31:0]) + ); + rvdffppe #(.WIDTH(56)) i_predictpacket_x_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(x_data_en), + .din(i0_predict_p_d), + .dout(i0_predict_p_x) + ); + rvdffe #(.WIDTH(PREDPIPESIZE)) i_predpipe_x_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(x_data_en_q2), + .din(predpipe_d), + .dout(predpipe_x) + ); + rvdffe #(.WIDTH(PREDPIPESIZE)) i_predpipe_r_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(r_data_en_q2), + .din(predpipe_x), + .dout(predpipe_r) + ); + rvdffe #(.WIDTH(4 + pt[2236-:8])) i_x_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(x_ctl_en), + .din({i0_valid_d, i0_taken_d, i0_flush_upper_d, i0_pred_correct_upper_d, ghr_x_ns[pt[2236-:8] - 1:0]}), + .dout({i0_valid_x, i0_taken_x, i0_flush_upper_x, i0_pred_correct_upper_x, ghr_x[pt[2236-:8] - 1:0]}) + ); + rvdffppe #(.WIDTH(57)) i_r_ff0( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(r_ctl_en), + .din({i0_pred_correct_upper_x, i0_predict_p_x}), + .dout({i0_pred_correct_upper_r, i0_pp_r}) + ); + rvdffpcie #(.WIDTH(31)) i_flush_r_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(r_data_en), + .din(i0_flush_path_x[31:1]), + .dout(i0_flush_path_upper_r[31:1]) + ); + rvdffpcie #(.WIDTH(31)) i_npc_r_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(r_data_en), + .din(pred_correct_npc_x[31:1]), + .dout(pred_correct_npc_r[31:1]) + ); + rvdffie #( + .WIDTH(pt[2236-:8] + 2), + .OVERRIDE(1) + ) i_misc_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .din({ghr_d_ns[pt[2236-:8] - 1:0], mul_p[19], dec_i0_branch_d}), + .dout({ghr_d[pt[2236-:8] - 1:0], mul_valid_x, i0_branch_x}) + ); + assign predpipe_d[PREDPIPESIZE - 1:0] = {i0_predict_fghr_d, i0_predict_index_d, i0_predict_btag_d}; + assign i0_rs1_bypass_en_d = ((dec_i0_rs1_bypass_en_d[0] | dec_i0_rs1_bypass_en_d[1]) | dec_i0_rs1_bypass_en_d[2]) | dec_i0_rs1_bypass_en_d[3]; + assign i0_rs2_bypass_en_d = ((dec_i0_rs2_bypass_en_d[0] | dec_i0_rs2_bypass_en_d[1]) | dec_i0_rs2_bypass_en_d[2]) | dec_i0_rs2_bypass_en_d[3]; + assign i0_rs1_bypass_data_d[31:0] = ((({32 {dec_i0_rs1_bypass_en_d[0]}} & dec_i0_result_r[31:0]) | ({32 {dec_i0_rs1_bypass_en_d[1]}} & lsu_result_m[31:0])) | ({32 {dec_i0_rs1_bypass_en_d[2]}} & exu_i0_result_x[31:0])) | ({32 {dec_i0_rs1_bypass_en_d[3]}} & lsu_nonblock_load_data[31:0]); + assign i0_rs2_bypass_data_d[31:0] = ((({32 {dec_i0_rs2_bypass_en_d[0]}} & dec_i0_result_r[31:0]) | ({32 {dec_i0_rs2_bypass_en_d[1]}} & lsu_result_m[31:0])) | ({32 {dec_i0_rs2_bypass_en_d[2]}} & exu_i0_result_x[31:0])) | ({32 {dec_i0_rs2_bypass_en_d[3]}} & lsu_nonblock_load_data[31:0]); + assign i0_rs1_d[31:0] = ((({32 {i0_rs1_bypass_en_d}} & i0_rs1_bypass_data_d[31:0]) | ({32 {~i0_rs1_bypass_en_d & dec_i0_select_pc_d}} & {dec_i0_pc_d[31:1], 1'b0})) | ({32 {~i0_rs1_bypass_en_d & dec_debug_wdata_rs1_d}} & dbg_cmd_wrdata[31:0])) | ({32 {(~i0_rs1_bypass_en_d & ~dec_debug_wdata_rs1_d) & dec_i0_rs1_en_d}} & gpr_i0_rs1_d[31:0]); + assign i0_rs2_d[31:0] = (({32 {~i0_rs2_bypass_en_d & dec_i0_rs2_en_d}} & gpr_i0_rs2_d[31:0]) | ({32 {~i0_rs2_bypass_en_d}} & dec_i0_immed_d[31:0])) | ({32 {i0_rs2_bypass_en_d}} & i0_rs2_bypass_data_d[31:0]); + assign exu_lsu_rs1_d[31:0] = (({32 {((~i0_rs1_bypass_en_d & ~dec_extint_stall) & dec_i0_rs1_en_d) & dec_qual_lsu_d}} & gpr_i0_rs1_d[31:0]) | ({32 {(i0_rs1_bypass_en_d & ~dec_extint_stall) & dec_qual_lsu_d}} & i0_rs1_bypass_data_d[31:0])) | ({32 {dec_extint_stall & dec_qual_lsu_d}} & {dec_tlu_meihap[31:2], 2'b00}); + assign exu_lsu_rs2_d[31:0] = ({32 {((~i0_rs2_bypass_en_d & ~dec_extint_stall) & dec_i0_rs2_en_d) & dec_qual_lsu_d}} & gpr_i0_rs2_d[31:0]) | ({32 {(i0_rs2_bypass_en_d & ~dec_extint_stall) & dec_qual_lsu_d}} & i0_rs2_bypass_data_d[31:0]); + assign muldiv_rs1_d[31:0] = ({32 {~i0_rs1_bypass_en_d & dec_i0_rs1_en_d}} & gpr_i0_rs1_d[31:0]) | ({32 {i0_rs1_bypass_en_d}} & i0_rs1_bypass_data_d[31:0]); + assign x_data_en = dec_data_en[1]; + assign x_data_en_q1 = dec_data_en[1] & dec_csr_ren_d; + assign x_data_en_q2 = dec_data_en[1] & dec_i0_branch_d; + assign r_data_en = dec_data_en[0]; + assign r_data_en_q2 = dec_data_en[0] & i0_branch_x; + assign x_ctl_en = dec_ctl_en[1]; + assign r_ctl_en = dec_ctl_en[0]; + eb1_exu_alu_ctl #(.pt(pt)) i_alu( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .enable(x_data_en), + .pp_in(i0_predict_newp_d), + .valid_in(dec_i0_alu_decode_d), + .flush_upper_x(i0_flush_upper_x), + .flush_lower_r(dec_tlu_flush_lower_r), + .a_in(i0_rs1_d[31:0]), + .b_in(i0_rs2_d[31:0]), + .pc_in(dec_i0_pc_d[31:1]), + .brimm_in(dec_i0_br_immed_d[12:1]), + .ap(i0_ap), + .csr_ren_in(dec_csr_ren_d), + .csr_rddata_in(dec_csr_rddata_d[31:0]), + .result_ff(alu_result_x[31:0]), + .flush_upper_out(i0_flush_upper_d), + .flush_final_out(exu_flush_final), + .flush_path_out(i0_flush_path_d[31:1]), + .predict_p_out(i0_predict_p_d), + .pred_correct_out(i0_pred_correct_upper_d), + .pc_ff(exu_i0_pc_x[31:1]) + ); + eb1_exu_mul_ctl #(.pt(pt)) i_mul( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .mul_p(mul_p & {20 {mul_p[19]}}), + .rs1_in(muldiv_rs1_d[31:0] & {32 {mul_p[19]}}), + .rs2_in(i0_rs2_d[31:0] & {32 {mul_p[19]}}), + .result_x(mul_result_x[31:0]) + ); + eb1_exu_div_ctl #(.pt(pt)) i_div( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .cancel(dec_div_cancel), + .dp(div_p), + .dividend(muldiv_rs1_d[31:0]), + .divisor(i0_rs2_d[31:0]), + .finish_dly(exu_div_wren), + .out(exu_div_result[31:0]) + ); + assign exu_i0_result_x[31:0] = (mul_valid_x ? mul_result_x[31:0] : alu_result_x[31:0]); + always @(*) begin + i0_predict_newp_d = dec_i0_predict_p_d; + i0_predict_newp_d[53] = dec_i0_pc_d[1]; + end + assign exu_pmu_i0_br_misp = i0_pp_r[55]; + assign exu_pmu_i0_br_ataken = i0_pp_r[54]; + assign exu_pmu_i0_pc4 = i0_pp_r[52]; + assign i0_valid_d = (i0_predict_p_d[37] & dec_i0_alu_decode_d) & ~dec_tlu_flush_lower_r; + assign i0_taken_d = i0_predict_p_d[54] & dec_i0_alu_decode_d; + generate + if (pt[2130-:5] == 1) begin + assign ghr_d_ns[pt[2236-:8] - 1:0] = (({pt[2236-:8] {~dec_tlu_flush_lower_r & i0_valid_d}} & {ghr_d[pt[2236-:8] - 2:0], i0_taken_d}) | ({pt[2236-:8] {~dec_tlu_flush_lower_r & ~i0_valid_d}} & ghr_d[pt[2236-:8] - 1:0])) | ({pt[2236-:8] {dec_tlu_flush_lower_r}} & ghr_x[pt[2236-:8] - 1:0]); + assign ghr_x_ns[pt[2236-:8] - 1:0] = ({pt[2236-:8] {i0_valid_x}} & {ghr_x[pt[2236-:8] - 2:0], i0_taken_x}) | ({pt[2236-:8] {~i0_valid_x}} & ghr_x[pt[2236-:8] - 1:0]); + assign exu_i0_br_valid_r = i0_pp_r[37]; + assign exu_i0_br_mp_r = i0_pp_r[55]; + assign exu_i0_br_way_r = i0_pp_r[32]; + assign exu_i0_br_hist_r[1:0] = {2 {i0_pp_r[37]}} & i0_pp_r[51:50]; + assign exu_i0_br_error_r = i0_pp_r[36]; + assign exu_i0_br_middle_r = i0_pp_r[52] ^ i0_pp_r[53]; + assign exu_i0_br_start_error_r = i0_pp_r[35]; + assign {exu_i0_br_fghr_r[pt[2236-:8] - 1:0], exu_i0_br_index_r[pt[2172-:9]:pt[2163-:6]]} = predpipe_r[PREDPIPESIZE - 1:pt[2139-:9]]; + assign final_predict_mp = (i0_flush_upper_x ? i0_predict_p_x : {56 {1'sb0}}); + assign final_predpipe_mp[PREDPIPESIZE - 1:0] = (i0_flush_upper_x ? predpipe_x : {PREDPIPESIZE {1'sb0}}); + assign after_flush_eghr[pt[2236-:8] - 1:0] = (i0_flush_upper_x & ~dec_tlu_flush_lower_r ? ghr_d[pt[2236-:8] - 1:0] : ghr_x[pt[2236-:8] - 1:0]); + assign exu_mp_pkt[37] = final_predict_mp[37]; + assign exu_mp_pkt[32] = final_predict_mp[32]; + assign exu_mp_pkt[55] = final_predict_mp[55]; + assign exu_mp_pkt[34] = final_predict_mp[34]; + assign exu_mp_pkt[33] = final_predict_mp[33]; + assign exu_mp_pkt[31] = final_predict_mp[31]; + assign exu_mp_pkt[54] = final_predict_mp[54]; + assign exu_mp_pkt[53] = final_predict_mp[53]; + assign exu_mp_pkt[52] = final_predict_mp[52]; + assign exu_mp_pkt[51:50] = final_predict_mp[51:50]; + assign exu_mp_pkt[49:38] = final_predict_mp[49:38]; + assign exu_mp_fghr[pt[2236-:8] - 1:0] = after_flush_eghr[pt[2236-:8] - 1:0]; + assign {exu_mp_index[pt[2172-:9]:pt[2163-:6]], exu_mp_btag[pt[2139-:9] - 1:0]} = final_predpipe_mp[(PREDPIPESIZE - pt[2236-:8]) - 1:0]; + assign exu_mp_eghr[pt[2236-:8] - 1:0] = final_predpipe_mp[PREDPIPESIZE - 1:((pt[2172-:9] - pt[2163-:6]) + pt[2139-:9]) + 1]; + end + else begin + assign ghr_d_ns = {pt[2236-:8] {1'sb0}}; + assign ghr_x_ns = {pt[2236-:8] {1'sb0}}; + assign exu_mp_pkt = {56 {1'sb0}}; + assign exu_mp_eghr = {pt[2236-:8] {1'sb0}}; + assign exu_mp_fghr = {pt[2236-:8] {1'sb0}}; + assign exu_mp_index = {(pt[2172-:9] >= pt[2163-:6] ? (pt[2172-:9] - pt[2163-:6]) + 1 : (pt[2163-:6] - pt[2172-:9]) + 1) {1'sb0}}; + assign exu_mp_btag = {pt[2139-:9] {1'sb0}}; + assign exu_i0_br_hist_r = {2 {1'sb0}}; + assign exu_i0_br_error_r = 1'b0; + assign exu_i0_br_start_error_r = 1'b0; + assign exu_i0_br_index_r = {(pt[2172-:9] >= pt[2163-:6] ? (pt[2172-:9] - pt[2163-:6]) + 1 : (pt[2163-:6] - pt[2172-:9]) + 1) {1'sb0}}; + assign exu_i0_br_valid_r = 1'b0; + assign exu_i0_br_mp_r = 1'b0; + assign exu_i0_br_middle_r = 1'b0; + assign exu_i0_br_fghr_r = {pt[2236-:8] {1'sb0}}; + assign exu_i0_br_way_r = 1'b0; + end + endgenerate + assign exu_flush_path_final[31:1] = ({31 {dec_tlu_flush_lower_r}} & dec_tlu_flush_path_r[31:1]) | ({31 {~dec_tlu_flush_lower_r & i0_flush_upper_d}} & i0_flush_path_d[31:1]); + assign exu_npc_r[31:1] = (i0_pred_correct_upper_r ? pred_correct_npc_r[31:1] : i0_flush_path_upper_r[31:1]); +endmodule +module eb1_dma_ctrl ( + clk, + free_clk, + rst_l, + dma_bus_clk_en, + clk_override, + scan_mode, + dbg_cmd_addr, + dbg_cmd_wrdata, + dbg_cmd_valid, + dbg_cmd_write, + dbg_cmd_type, + dbg_cmd_size, + dbg_dma_bubble, + dma_dbg_ready, + dma_dbg_cmd_done, + dma_dbg_cmd_fail, + dma_dbg_rddata, + dma_dccm_req, + dma_iccm_req, + dma_mem_tag, + dma_mem_addr, + dma_mem_sz, + dma_mem_write, + dma_mem_wdata, + dccm_dma_rvalid, + dccm_dma_ecc_error, + dccm_dma_rtag, + dccm_dma_rdata, + iccm_dma_rvalid, + iccm_dma_ecc_error, + iccm_dma_rtag, + iccm_dma_rdata, + dma_active, + dma_dccm_stall_any, + dma_iccm_stall_any, + dccm_ready, + iccm_ready, + dec_tlu_dma_qos_prty, + dma_pmu_dccm_read, + dma_pmu_dccm_write, + dma_pmu_any_read, + dma_pmu_any_write, + dma_axi_awvalid, + dma_axi_awready, + dma_axi_awid, + dma_axi_awaddr, + dma_axi_awsize, + dma_axi_wvalid, + dma_axi_wready, + dma_axi_wdata, + dma_axi_wstrb, + dma_axi_bvalid, + dma_axi_bready, + dma_axi_bresp, + dma_axi_bid, + dma_axi_arvalid, + dma_axi_arready, + dma_axi_arid, + dma_axi_araddr, + dma_axi_arsize, + dma_axi_rvalid, + dma_axi_rready, + dma_axi_rid, + dma_axi_rdata, + dma_axi_rresp, + dma_axi_rlast +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire free_clk; + input wire rst_l; + input wire dma_bus_clk_en; + input wire clk_override; + input wire scan_mode; + input wire [31:0] dbg_cmd_addr; + input wire [31:0] dbg_cmd_wrdata; + input wire dbg_cmd_valid; + input wire dbg_cmd_write; + input wire [1:0] dbg_cmd_type; + input wire [1:0] dbg_cmd_size; + input wire dbg_dma_bubble; + output wire dma_dbg_ready; + output wire dma_dbg_cmd_done; + output wire dma_dbg_cmd_fail; + output wire [31:0] dma_dbg_rddata; + output wire dma_dccm_req; + output wire dma_iccm_req; + output wire [2:0] dma_mem_tag; + output wire [31:0] dma_mem_addr; + output wire [2:0] dma_mem_sz; + output wire dma_mem_write; + output wire [63:0] dma_mem_wdata; + input wire dccm_dma_rvalid; + input wire dccm_dma_ecc_error; + input wire [2:0] dccm_dma_rtag; + input wire [63:0] dccm_dma_rdata; + input wire iccm_dma_rvalid; + input wire iccm_dma_ecc_error; + input wire [2:0] iccm_dma_rtag; + input wire [63:0] iccm_dma_rdata; + output wire dma_active; + output wire dma_dccm_stall_any; + output wire dma_iccm_stall_any; + input wire dccm_ready; + input wire iccm_ready; + input wire [2:0] dec_tlu_dma_qos_prty; + output wire dma_pmu_dccm_read; + output wire dma_pmu_dccm_write; + output wire dma_pmu_any_read; + output wire dma_pmu_any_write; + input wire dma_axi_awvalid; + output wire dma_axi_awready; + input wire [pt[1235-:8] - 1:0] dma_axi_awid; + input wire [31:0] dma_axi_awaddr; + input wire [2:0] dma_axi_awsize; + input wire dma_axi_wvalid; + output wire dma_axi_wready; + input wire [63:0] dma_axi_wdata; + input wire [7:0] dma_axi_wstrb; + output wire dma_axi_bvalid; + input wire dma_axi_bready; + output wire [1:0] dma_axi_bresp; + output wire [pt[1235-:8] - 1:0] dma_axi_bid; + input wire dma_axi_arvalid; + output wire dma_axi_arready; + input wire [pt[1235-:8] - 1:0] dma_axi_arid; + input wire [31:0] dma_axi_araddr; + input wire [2:0] dma_axi_arsize; + output wire dma_axi_rvalid; + input wire dma_axi_rready; + output wire [pt[1235-:8] - 1:0] dma_axi_rid; + output wire [63:0] dma_axi_rdata; + output wire [1:0] dma_axi_rresp; + output wire dma_axi_rlast; + localparam DEPTH = pt[1257-:7]; + localparam DEPTH_PTR = $clog2(DEPTH); + localparam NACK_COUNT = 7; + wire [DEPTH - 1:0] fifo_valid; + wire [(DEPTH * 2) - 1:0] fifo_error; + wire [DEPTH - 1:0] fifo_error_bus; + wire [DEPTH - 1:0] fifo_rpend; + wire [DEPTH - 1:0] fifo_done; + wire [DEPTH - 1:0] fifo_done_bus; + wire [(DEPTH * 32) - 1:0] fifo_addr; + wire [(DEPTH * 3) - 1:0] fifo_sz; + wire [(DEPTH * 8) - 1:0] fifo_byteen; + wire [DEPTH - 1:0] fifo_write; + wire [DEPTH - 1:0] fifo_posted_write; + wire [DEPTH - 1:0] fifo_dbg; + wire [(DEPTH * 64) - 1:0] fifo_data; + wire [(DEPTH * pt[1235-:8]) - 1:0] fifo_tag; + wire [(DEPTH * pt[1250-:9]) - 1:0] fifo_mid; + wire [(DEPTH * pt[1241-:6]) - 1:0] fifo_prty; + wire [DEPTH - 1:0] fifo_cmd_en; + wire [DEPTH - 1:0] fifo_data_en; + wire [DEPTH - 1:0] fifo_pend_en; + wire [DEPTH - 1:0] fifo_done_en; + wire [DEPTH - 1:0] fifo_done_bus_en; + wire [DEPTH - 1:0] fifo_error_en; + wire [DEPTH - 1:0] fifo_error_bus_en; + wire [DEPTH - 1:0] fifo_reset; + wire [(DEPTH * 2) - 1:0] fifo_error_in; + wire [(DEPTH * 64) - 1:0] fifo_data_in; + wire fifo_write_in; + wire fifo_posted_write_in; + wire fifo_dbg_in; + wire [31:0] fifo_addr_in; + wire [2:0] fifo_sz_in; + wire [7:0] fifo_byteen_in; + wire [DEPTH_PTR - 1:0] RspPtr; + wire [DEPTH_PTR - 1:0] NxtRspPtr; + wire [DEPTH_PTR - 1:0] WrPtr; + wire [DEPTH_PTR - 1:0] NxtWrPtr; + wire [DEPTH_PTR - 1:0] RdPtr; + wire [DEPTH_PTR - 1:0] NxtRdPtr; + wire WrPtrEn; + wire RdPtrEn; + wire RspPtrEn; + wire [1:0] dma_dbg_sz; + wire [1:0] dma_dbg_addr; + wire [31:0] dma_dbg_mem_rddata; + wire [31:0] dma_dbg_mem_wrdata; + wire dma_dbg_cmd_error; + wire dma_dbg_cmd_done_q; + wire fifo_full; + wire fifo_full_spec; + wire fifo_empty; + wire dma_address_error; + wire dma_alignment_error; + reg [3:0] num_fifo_vld; + wire dma_mem_req; + wire [31:0] dma_mem_addr_int; + wire [2:0] dma_mem_sz_int; + wire [7:0] dma_mem_byteen; + wire dma_mem_addr_in_dccm; + wire dma_mem_addr_in_iccm; + wire dma_mem_addr_in_pic; + wire dma_mem_addr_in_pic_region_nc; + wire dma_mem_addr_in_dccm_region_nc; + wire dma_mem_addr_in_iccm_region_nc; + wire [2:0] dma_nack_count; + wire [2:0] dma_nack_count_d; + wire [2:0] dma_nack_count_csr; + wire dma_buffer_c1_clken; + wire dma_free_clken; + wire dma_buffer_c1_clk; + wire dma_free_clk; + wire dma_bus_clk; + wire bus_rsp_valid; + wire bus_rsp_sent; + wire bus_cmd_valid; + wire bus_cmd_sent; + wire bus_cmd_write; + wire bus_cmd_posted_write; + wire [7:0] bus_cmd_byteen; + wire [2:0] bus_cmd_sz; + wire [31:0] bus_cmd_addr; + wire [63:0] bus_cmd_wdata; + wire [pt[1235-:8] - 1:0] bus_cmd_tag; + wire [pt[1250-:9] - 1:0] bus_cmd_mid; + wire [pt[1241-:6] - 1:0] bus_cmd_prty; + wire bus_posted_write_done; + wire fifo_full_spec_bus; + wire dbg_dma_bubble_bus; + wire stall_dma_in; + wire dma_fifo_ready; + wire wrbuf_en; + wire wrbuf_data_en; + wire wrbuf_cmd_sent; + wire wrbuf_rst; + wire wrbuf_data_rst; + wire wrbuf_vld; + wire wrbuf_data_vld; + wire [pt[1235-:8] - 1:0] wrbuf_tag; + wire [2:0] wrbuf_sz; + wire [31:0] wrbuf_addr; + wire [63:0] wrbuf_data; + wire [7:0] wrbuf_byteen; + wire rdbuf_en; + wire rdbuf_cmd_sent; + wire rdbuf_rst; + wire rdbuf_vld; + wire [pt[1235-:8] - 1:0] rdbuf_tag; + wire [2:0] rdbuf_sz; + wire [31:0] rdbuf_addr; + wire axi_mstr_prty_in; + wire axi_mstr_prty_en; + wire axi_mstr_priority; + wire axi_mstr_sel; + wire axi_rsp_valid; + wire axi_rsp_sent; + wire axi_rsp_write; + wire [pt[1235-:8] - 1:0] axi_rsp_tag; + wire [1:0] axi_rsp_error; + wire [63:0] axi_rsp_rdata; + assign fifo_addr_in[31:0] = (dbg_cmd_valid ? dbg_cmd_addr[31:0] : bus_cmd_addr[31:0]); + assign fifo_byteen_in[7:0] = {8 {~dbg_cmd_valid}} & bus_cmd_byteen[7:0]; + assign fifo_sz_in[2:0] = (dbg_cmd_valid ? {1'b0, dbg_cmd_size[1:0]} : bus_cmd_sz[2:0]); + assign fifo_write_in = (dbg_cmd_valid ? dbg_cmd_write : bus_cmd_write); + assign fifo_posted_write_in = ~dbg_cmd_valid & bus_cmd_posted_write; + assign fifo_dbg_in = dbg_cmd_valid; + generate + genvar i; + for (i = 0; i < DEPTH; i = i + 1) begin : GenFifo + assign fifo_cmd_en[i] = ((bus_cmd_sent & dma_bus_clk_en) | (dbg_cmd_valid & dbg_cmd_type[1])) & (i == WrPtr[DEPTH_PTR - 1:0]); + function automatic [DEPTH_PTR - 1:0] sv2v_cast_87E0F; + input reg [DEPTH_PTR - 1:0] inp; + sv2v_cast_87E0F = inp; + endfunction + assign fifo_data_en[i] = ((((((bus_cmd_sent & fifo_write_in) & dma_bus_clk_en) | ((dbg_cmd_valid & dbg_cmd_type[1]) & dbg_cmd_write)) & (i == WrPtr[DEPTH_PTR - 1:0])) | ((dma_address_error | dma_alignment_error) & (i == RdPtr[DEPTH_PTR - 1:0]))) | (dccm_dma_rvalid & (i == sv2v_cast_87E0F(dccm_dma_rtag[2:0])))) | (iccm_dma_rvalid & (i == sv2v_cast_87E0F(iccm_dma_rtag[2:0]))); + assign fifo_pend_en[i] = ((dma_dccm_req | dma_iccm_req) & ~dma_mem_write) & (i == RdPtr[DEPTH_PTR - 1:0]); + assign fifo_error_en[i] = ((((dma_address_error | dma_alignment_error) | dma_dbg_cmd_error) & (i == RdPtr[DEPTH_PTR - 1:0])) | ((dccm_dma_rvalid & dccm_dma_ecc_error) & (i == sv2v_cast_87E0F(dccm_dma_rtag[2:0])))) | ((iccm_dma_rvalid & iccm_dma_ecc_error) & (i == sv2v_cast_87E0F(iccm_dma_rtag[2:0]))); + assign fifo_error_bus_en[i] = ((|fifo_error_in[(i * 2) + 1-:2] & fifo_error_en[i]) | |fifo_error[i * 2+:2]) & dma_bus_clk_en; + assign fifo_done_en[i] = ((((|fifo_error[i * 2+:2] | fifo_error_en[i]) | ((dma_dccm_req | dma_iccm_req) & dma_mem_write)) & (i == RdPtr[DEPTH_PTR - 1:0])) | (dccm_dma_rvalid & (i == sv2v_cast_87E0F(dccm_dma_rtag[2:0])))) | (iccm_dma_rvalid & (i == sv2v_cast_87E0F(iccm_dma_rtag[2:0]))); + assign fifo_done_bus_en[i] = (fifo_done_en[i] | fifo_done[i]) & dma_bus_clk_en; + assign fifo_reset[i] = (((bus_rsp_sent | bus_posted_write_done) & dma_bus_clk_en) | dma_dbg_cmd_done) & (i == RspPtr[DEPTH_PTR - 1:0]); + assign fifo_error_in[i * 2+:2] = (dccm_dma_rvalid & (i == sv2v_cast_87E0F(dccm_dma_rtag[2:0])) ? {1'b0, dccm_dma_ecc_error} : (iccm_dma_rvalid & (i == sv2v_cast_87E0F(iccm_dma_rtag[2:0])) ? {1'b0, iccm_dma_ecc_error} : {(dma_address_error | dma_alignment_error) | dma_dbg_cmd_error, dma_alignment_error})); + assign fifo_data_in[i * 64+:64] = (fifo_error_en[i] & |fifo_error_in[i * 2+:2] ? {32'b00000000000000000000000000000000, fifo_addr[i * 32+:32]} : (dccm_dma_rvalid & (i == sv2v_cast_87E0F(dccm_dma_rtag[2:0])) ? dccm_dma_rdata[63:0] : (iccm_dma_rvalid & (i == sv2v_cast_87E0F(iccm_dma_rtag[2:0])) ? iccm_dma_rdata[63:0] : (dbg_cmd_valid ? {2 {dma_dbg_mem_wrdata[31:0]}} : bus_cmd_wdata[63:0])))); + rvdffsc #(.WIDTH(1)) fifo_valid_dff( + .din(1'b1), + .dout(fifo_valid[i]), + .en(fifo_cmd_en[i]), + .clear(fifo_reset[i]), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + rvdffsc #(.WIDTH(2)) fifo_error_dff( + .din(fifo_error_in[i * 2+:2]), + .dout(fifo_error[i * 2+:2]), + .en(fifo_error_en[i]), + .clear(fifo_reset[i]), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + rvdffsc #(.WIDTH(1)) fifo_error_bus_dff( + .din(1'b1), + .dout(fifo_error_bus[i]), + .en(fifo_error_bus_en[i]), + .clear(fifo_reset[i]), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + rvdffsc #(.WIDTH(1)) fifo_rpend_dff( + .din(1'b1), + .dout(fifo_rpend[i]), + .en(fifo_pend_en[i]), + .clear(fifo_reset[i]), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + rvdffsc #(.WIDTH(1)) fifo_done_dff( + .din(1'b1), + .dout(fifo_done[i]), + .en(fifo_done_en[i]), + .clear(fifo_reset[i]), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + rvdffsc #(.WIDTH(1)) fifo_done_bus_dff( + .din(1'b1), + .dout(fifo_done_bus[i]), + .en(fifo_done_bus_en[i]), + .clear(fifo_reset[i]), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) fifo_addr_dff( + .din(fifo_addr_in[31:0]), + .dout(fifo_addr[i * 32+:32]), + .en(fifo_cmd_en[i]), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffs #(.WIDTH(3)) fifo_sz_dff( + .din(fifo_sz_in[2:0]), + .dout(fifo_sz[i * 3+:3]), + .en(fifo_cmd_en[i]), + .clk(dma_buffer_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(8)) fifo_byteen_dff( + .din(fifo_byteen_in[7:0]), + .dout(fifo_byteen[i * 8+:8]), + .en(fifo_cmd_en[i]), + .clk(dma_buffer_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) fifo_write_dff( + .din(fifo_write_in), + .dout(fifo_write[i]), + .en(fifo_cmd_en[i]), + .clk(dma_buffer_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) fifo_posted_write_dff( + .din(fifo_posted_write_in), + .dout(fifo_posted_write[i]), + .en(fifo_cmd_en[i]), + .clk(dma_buffer_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) fifo_dbg_dff( + .din(fifo_dbg_in), + .dout(fifo_dbg[i]), + .en(fifo_cmd_en[i]), + .clk(dma_buffer_c1_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(64)) fifo_data_dff( + .din(fifo_data_in[i * 64+:64]), + .dout(fifo_data[i * 64+:64]), + .en(fifo_data_en[i]), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffs #(.WIDTH(pt[1235-:8])) fifo_tag_dff( + .din(bus_cmd_tag[pt[1235-:8] - 1:0]), + .dout(fifo_tag[(i * pt[1235-:8]) + (pt[1235-:8] - 1)-:pt[1235-:8]]), + .en(fifo_cmd_en[i]), + .clk(dma_buffer_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(pt[1250-:9])) fifo_mid_dff( + .din(bus_cmd_mid[pt[1250-:9] - 1:0]), + .dout(fifo_mid[(i * pt[1250-:9]) + (pt[1250-:9] - 1)-:pt[1250-:9]]), + .en(fifo_cmd_en[i]), + .clk(dma_buffer_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(pt[1241-:6])) fifo_prty_dff( + .din(bus_cmd_prty[pt[1241-:6] - 1:0]), + .dout(fifo_prty[(i * pt[1241-:6]) + (pt[1241-:6] - 1)-:pt[1241-:6]]), + .en(fifo_cmd_en[i]), + .clk(dma_buffer_c1_clk), + .rst_l(rst_l) + ); + end + endgenerate + assign NxtWrPtr[DEPTH_PTR - 1:0] = (WrPtr[DEPTH_PTR - 1:0] == (DEPTH - 1) ? {DEPTH_PTR {1'sb0}} : WrPtr[DEPTH_PTR - 1:0] + 1'b1); + assign NxtRdPtr[DEPTH_PTR - 1:0] = (RdPtr[DEPTH_PTR - 1:0] == (DEPTH - 1) ? {DEPTH_PTR {1'sb0}} : RdPtr[DEPTH_PTR - 1:0] + 1'b1); + assign NxtRspPtr[DEPTH_PTR - 1:0] = (RspPtr[DEPTH_PTR - 1:0] == (DEPTH - 1) ? {DEPTH_PTR {1'sb0}} : RspPtr[DEPTH_PTR - 1:0] + 1'b1); + assign WrPtrEn = |fifo_cmd_en[DEPTH - 1:0]; + assign RdPtrEn = (dma_dccm_req | dma_iccm_req) | ((dma_address_error | dma_alignment_error) | dma_dbg_cmd_error); + assign RspPtrEn = dma_dbg_cmd_done | ((bus_rsp_sent | bus_posted_write_done) & dma_bus_clk_en); + rvdffs #(.WIDTH(DEPTH_PTR)) WrPtr_dff( + .din(NxtWrPtr[DEPTH_PTR - 1:0]), + .dout(WrPtr[DEPTH_PTR - 1:0]), + .en(WrPtrEn), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(DEPTH_PTR)) RdPtr_dff( + .din(NxtRdPtr[DEPTH_PTR - 1:0]), + .dout(RdPtr[DEPTH_PTR - 1:0]), + .en(RdPtrEn), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(DEPTH_PTR)) RspPtr_dff( + .din(NxtRspPtr[DEPTH_PTR - 1:0]), + .dout(RspPtr[DEPTH_PTR - 1:0]), + .en(RspPtrEn), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + assign fifo_full = fifo_full_spec_bus; + always @(*) begin + num_fifo_vld[3:0] = {3'b000, bus_cmd_sent} - {3'b000, bus_rsp_sent}; + begin : sv2v_autoblock_41 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + num_fifo_vld[3:0] = num_fifo_vld[3:0] + {3'b000, fifo_valid[i]}; + end + end + assign fifo_full_spec = num_fifo_vld[3:0] >= DEPTH; + assign dma_fifo_ready = ~(fifo_full | dbg_dma_bubble_bus); + assign dma_address_error = ((fifo_valid[RdPtr] & ~fifo_done[RdPtr]) & ~fifo_dbg[RdPtr]) & ~(dma_mem_addr_in_dccm | dma_mem_addr_in_iccm); + assign dma_alignment_error = (((fifo_valid[RdPtr] & ~fifo_done[RdPtr]) & ~fifo_dbg[RdPtr]) & ~dma_address_error) & ((((((((dma_mem_sz_int[2:0] == 3'h1) & dma_mem_addr_int[0]) | ((dma_mem_sz_int[2:0] == 3'h2) & |dma_mem_addr_int[1:0])) | ((dma_mem_sz_int[2:0] == 3'h3) & |dma_mem_addr_int[2:0])) | (dma_mem_addr_in_iccm & ~((dma_mem_sz_int[1:0] == 2'b10) | (dma_mem_sz_int[1:0] == 2'b11)))) | ((dma_mem_addr_in_dccm & dma_mem_write) & ~((dma_mem_sz_int[1:0] == 2'b10) | (dma_mem_sz_int[1:0] == 2'b11)))) | ((dma_mem_write & (dma_mem_sz_int[2:0] == 3'h2)) & (dma_mem_byteen[dma_mem_addr_int[2:0]+:4] != 4'hf))) | ((dma_mem_write & (dma_mem_sz_int[2:0] == 3'h3)) & ~(((dma_mem_byteen[7:0] == 8'h0f) | (dma_mem_byteen[7:0] == 8'hf0)) | (dma_mem_byteen[7:0] == 8'hff)))); + assign dma_dbg_ready = fifo_empty & dbg_dma_bubble; + assign dma_dbg_cmd_done = (fifo_valid[RspPtr] & fifo_dbg[RspPtr]) & fifo_done[RspPtr]; + assign dma_dbg_cmd_fail = |fifo_error[RspPtr * 2+:2]; + assign dma_dbg_sz[1:0] = fifo_sz[(RspPtr * 3) + 1-:2]; + assign dma_dbg_addr[1:0] = fifo_addr[(RspPtr * 32) + 1-:2]; + assign dma_dbg_mem_rddata[31:0] = (fifo_addr[(RspPtr * 32) + 2] ? fifo_data[(RspPtr * 64) + 63-:32] : fifo_data[(RspPtr * 64) + 31-:32]); + assign dma_dbg_rddata[31:0] = (({32 {dma_dbg_sz[1:0] == 2'h0}} & ((dma_dbg_mem_rddata[31:0] >> (8 * dma_dbg_addr[1:0])) & 32'h000000ff)) | ({32 {dma_dbg_sz[1:0] == 2'h1}} & ((dma_dbg_mem_rddata[31:0] >> (16 * dma_dbg_addr[1])) & 32'h0000ffff))) | ({32 {dma_dbg_sz[1:0] == 2'h2}} & dma_dbg_mem_rddata[31:0]); + assign dma_dbg_cmd_error = ((fifo_valid[RdPtr] & ~fifo_done[RdPtr]) & fifo_dbg[RdPtr]) & (~((dma_mem_addr_in_dccm | dma_mem_addr_in_iccm) | dma_mem_addr_in_pic) | ((dma_mem_addr_in_iccm | dma_mem_addr_in_pic) & (dma_mem_sz_int[1:0] != 2'b10))); + assign dma_dbg_mem_wrdata[31:0] = (({32 {dbg_cmd_size[1:0] == 2'h0}} & {4 {dbg_cmd_wrdata[7:0]}}) | ({32 {dbg_cmd_size[1:0] == 2'h1}} & {2 {dbg_cmd_wrdata[15:0]}})) | ({32 {dbg_cmd_size[1:0] == 2'h2}} & dbg_cmd_wrdata[31:0]); + assign dma_dccm_stall_any = (dma_mem_req & (dma_mem_addr_in_dccm | dma_mem_addr_in_pic)) & (dma_nack_count >= dma_nack_count_csr); + assign dma_iccm_stall_any = (dma_mem_req & dma_mem_addr_in_iccm) & (dma_nack_count >= dma_nack_count_csr); + assign fifo_empty = ~(|fifo_valid[DEPTH - 1:0] | bus_cmd_sent); + assign dma_nack_count_csr[2:0] = dec_tlu_dma_qos_prty[2:0]; + assign dma_nack_count_d[2:0] = (dma_nack_count[2:0] >= dma_nack_count_csr[2:0] ? {3 {~(dma_dccm_req | dma_iccm_req)}} & dma_nack_count[2:0] : (dma_mem_req & ~(dma_dccm_req | dma_iccm_req) ? dma_nack_count[2:0] + 1'b1 : 3'b000)); + rvdffs #(.WIDTH(3)) nack_count_dff( + .din(dma_nack_count_d[2:0]), + .dout(dma_nack_count[2:0]), + .en(dma_mem_req), + .clk(dma_free_clk), + .rst_l(rst_l) + ); + assign dma_mem_req = ((fifo_valid[RdPtr] & ~fifo_rpend[RdPtr]) & ~fifo_done[RdPtr]) & ~((dma_address_error | dma_alignment_error) | dma_dbg_cmd_error); + assign dma_dccm_req = (dma_mem_req & (dma_mem_addr_in_dccm | dma_mem_addr_in_pic)) & dccm_ready; + assign dma_iccm_req = (dma_mem_req & dma_mem_addr_in_iccm) & iccm_ready; + function automatic [2:0] sv2v_cast_3; + input reg [2:0] inp; + sv2v_cast_3 = inp; + endfunction + assign dma_mem_tag[2:0] = sv2v_cast_3(RdPtr); + assign dma_mem_addr_int[31:0] = fifo_addr[RdPtr * 32+:32]; + assign dma_mem_sz_int[2:0] = fifo_sz[RdPtr * 3+:3]; + assign dma_mem_addr[31:0] = ((dma_mem_write & ~fifo_dbg[RdPtr]) & (dma_mem_byteen[7:0] == 8'hf0) ? {dma_mem_addr_int[31:3], 1'b1, dma_mem_addr_int[1:0]} : dma_mem_addr_int[31:0]); + assign dma_mem_sz[2:0] = ((dma_mem_write & ~fifo_dbg[RdPtr]) & ((dma_mem_byteen[7:0] == 8'h0f) | (dma_mem_byteen[7:0] == 8'hf0)) ? 3'h2 : dma_mem_sz_int[2:0]); + assign dma_mem_byteen[7:0] = fifo_byteen[RdPtr * 8+:8]; + assign dma_mem_write = fifo_write[RdPtr]; + assign dma_mem_wdata[63:0] = fifo_data[RdPtr * 64+:64]; + assign dma_pmu_dccm_read = dma_dccm_req & ~dma_mem_write; + assign dma_pmu_dccm_write = dma_dccm_req & dma_mem_write; + assign dma_pmu_any_read = (dma_dccm_req | dma_iccm_req) & ~dma_mem_write; + assign dma_pmu_any_write = (dma_dccm_req | dma_iccm_req) & dma_mem_write; + generate + if (pt[1365-:5]) begin : Gen_dccm_enable + rvrangecheck #( + .CCM_SADR(pt[1325-:36]), + .CCM_SIZE(pt[1289-:14]) + ) addr_dccm_rangecheck( + .addr(dma_mem_addr_int[31:0]), + .in_range(dma_mem_addr_in_dccm), + .in_region(dma_mem_addr_in_dccm_region_nc) + ); + end + else begin : Gen_dccm_disable + assign dma_mem_addr_in_dccm = 1'b0; + assign dma_mem_addr_in_dccm_region_nc = 1'b0; + end + endgenerate + generate + if (pt[927-:5]) begin : Gen_iccm_enable + rvrangecheck #( + .CCM_SADR(pt[887-:36]), + .CCM_SIZE(pt[851-:14]) + ) addr_iccm_rangecheck( + .addr(dma_mem_addr_int[31:0]), + .in_range(dma_mem_addr_in_iccm), + .in_region(dma_mem_addr_in_iccm_region_nc) + ); + end + else begin : Gen_iccm_disable + assign dma_mem_addr_in_iccm = 1'b0; + assign dma_mem_addr_in_iccm_region_nc = 1'b0; + end + endgenerate + rvrangecheck #( + .CCM_SADR(pt[130-:36]), + .CCM_SIZE(pt[69-:13]) + ) addr_pic_rangecheck( + .addr(dma_mem_addr_int[31:0]), + .in_range(dma_mem_addr_in_pic), + .in_region(dma_mem_addr_in_pic_region_nc) + ); + rvdff_fpga #(.WIDTH(1)) fifo_full_bus_ff( + .din(fifo_full_spec), + .dout(fifo_full_spec_bus), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) dbg_dma_bubble_ff( + .din(dbg_dma_bubble), + .dout(dbg_dma_bubble_bus), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) dma_dbg_cmd_doneff( + .din(dma_dbg_cmd_done), + .dout(dma_dbg_cmd_done_q), + .clk(free_clk), + .rst_l(rst_l) + ); + assign dma_buffer_c1_clken = ((bus_cmd_valid & dma_bus_clk_en) | dbg_cmd_valid) | clk_override; + assign dma_free_clken = (((((bus_cmd_valid | bus_rsp_valid) | dbg_cmd_valid) | dma_dbg_cmd_done) | dma_dbg_cmd_done_q) | |fifo_valid[DEPTH - 1:0]) | clk_override; + rvoclkhdr dma_buffer_c1cgc( + .en(dma_buffer_c1_clken), + .l1clk(dma_buffer_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr dma_free_cgc( + .en(dma_free_clken), + .l1clk(dma_free_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvclkhdr dma_bus_cgc( + .en(dma_bus_clk_en), + .l1clk(dma_bus_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + assign wrbuf_en = dma_axi_awvalid & dma_axi_awready; + assign wrbuf_data_en = dma_axi_wvalid & dma_axi_wready; + assign wrbuf_cmd_sent = bus_cmd_sent & bus_cmd_write; + assign wrbuf_rst = wrbuf_cmd_sent & ~wrbuf_en; + assign wrbuf_data_rst = wrbuf_cmd_sent & ~wrbuf_data_en; + rvdffsc_fpga #(.WIDTH(1)) wrbuf_vldff( + .din(1'b1), + .dout(wrbuf_vld), + .en(wrbuf_en), + .clear(wrbuf_rst), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffsc_fpga #(.WIDTH(1)) wrbuf_data_vldff( + .din(1'b1), + .dout(wrbuf_data_vld), + .en(wrbuf_data_en), + .clear(wrbuf_data_rst), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(pt[1235-:8])) wrbuf_tagff( + .din(dma_axi_awid[pt[1235-:8] - 1:0]), + .dout(wrbuf_tag[pt[1235-:8] - 1:0]), + .en(wrbuf_en), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(3)) wrbuf_szff( + .din(dma_axi_awsize[2:0]), + .dout(wrbuf_sz[2:0]), + .en(wrbuf_en), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) wrbuf_addrff( + .din(dma_axi_awaddr[31:0]), + .dout(wrbuf_addr[31:0]), + .en(wrbuf_en & dma_bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffe #(.WIDTH(64)) wrbuf_dataff( + .din(dma_axi_wdata[63:0]), + .dout(wrbuf_data[63:0]), + .en(wrbuf_data_en & dma_bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffs_fpga #(.WIDTH(8)) wrbuf_byteenff( + .din(dma_axi_wstrb[7:0]), + .dout(wrbuf_byteen[7:0]), + .en(wrbuf_data_en), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + assign rdbuf_en = dma_axi_arvalid & dma_axi_arready; + assign rdbuf_cmd_sent = bus_cmd_sent & ~bus_cmd_write; + assign rdbuf_rst = rdbuf_cmd_sent & ~rdbuf_en; + rvdffsc_fpga #(.WIDTH(1)) rdbuf_vldff( + .din(1'b1), + .dout(rdbuf_vld), + .en(rdbuf_en), + .clear(rdbuf_rst), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(pt[1235-:8])) rdbuf_tagff( + .din(dma_axi_arid[pt[1235-:8] - 1:0]), + .dout(rdbuf_tag[pt[1235-:8] - 1:0]), + .en(rdbuf_en), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(3)) rdbuf_szff( + .din(dma_axi_arsize[2:0]), + .dout(rdbuf_sz[2:0]), + .en(rdbuf_en), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) rdbuf_addrff( + .din(dma_axi_araddr[31:0]), + .dout(rdbuf_addr[31:0]), + .en(rdbuf_en & dma_bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + assign dma_axi_awready = ~(wrbuf_vld & ~wrbuf_cmd_sent); + assign dma_axi_wready = ~(wrbuf_data_vld & ~wrbuf_cmd_sent); + assign dma_axi_arready = ~(rdbuf_vld & ~rdbuf_cmd_sent); + assign bus_cmd_valid = (wrbuf_vld & wrbuf_data_vld) | rdbuf_vld; + assign bus_cmd_sent = bus_cmd_valid & dma_fifo_ready; + assign bus_cmd_write = axi_mstr_sel; + assign bus_cmd_posted_write = 1'b0; + assign bus_cmd_addr[31:0] = (axi_mstr_sel ? wrbuf_addr[31:0] : rdbuf_addr[31:0]); + assign bus_cmd_sz[2:0] = (axi_mstr_sel ? wrbuf_sz[2:0] : rdbuf_sz[2:0]); + assign bus_cmd_wdata[63:0] = wrbuf_data[63:0]; + assign bus_cmd_byteen[7:0] = wrbuf_byteen[7:0]; + assign bus_cmd_tag[pt[1235-:8] - 1:0] = (axi_mstr_sel ? wrbuf_tag[pt[1235-:8] - 1:0] : rdbuf_tag[pt[1235-:8] - 1:0]); + assign bus_cmd_mid[pt[1250-:9] - 1:0] = {pt[1250-:9] {1'sb0}}; + assign bus_cmd_prty[pt[1241-:6] - 1:0] = {pt[1241-:6] {1'sb0}}; + assign axi_mstr_sel = ((wrbuf_vld & wrbuf_data_vld) & rdbuf_vld ? axi_mstr_priority : wrbuf_vld & wrbuf_data_vld); + assign axi_mstr_prty_in = ~axi_mstr_priority; + assign axi_mstr_prty_en = bus_cmd_sent; + rvdffs_fpga #(.WIDTH(1)) mstr_prtyff( + .din(axi_mstr_prty_in), + .dout(axi_mstr_priority), + .en(axi_mstr_prty_en), + .clk(dma_bus_clk), + .clken(dma_bus_clk_en), + .rawclk(clk), + .rst_l(rst_l) + ); + assign axi_rsp_valid = (fifo_valid[RspPtr] & ~fifo_dbg[RspPtr]) & fifo_done_bus[RspPtr]; + assign axi_rsp_rdata[63:0] = fifo_data[RspPtr * 64+:64]; + assign axi_rsp_write = fifo_write[RspPtr]; + assign axi_rsp_error[1:0] = (fifo_error[RspPtr * 2] ? 2'b10 : (fifo_error[(RspPtr * 2) + 1] ? 2'b11 : 2'b00)); + assign axi_rsp_tag[pt[1235-:8] - 1:0] = fifo_tag[RspPtr * pt[1235-:8]+:pt[1235-:8]]; + assign dma_axi_bvalid = axi_rsp_valid & axi_rsp_write; + assign dma_axi_bresp[1:0] = axi_rsp_error[1:0]; + assign dma_axi_bid[pt[1235-:8] - 1:0] = axi_rsp_tag[pt[1235-:8] - 1:0]; + assign dma_axi_rvalid = axi_rsp_valid & ~axi_rsp_write; + assign dma_axi_rresp[1:0] = axi_rsp_error; + assign dma_axi_rdata[63:0] = axi_rsp_rdata[63:0]; + assign dma_axi_rlast = 1'b1; + assign dma_axi_rid[pt[1235-:8] - 1:0] = axi_rsp_tag[pt[1235-:8] - 1:0]; + assign bus_posted_write_done = 1'b0; + assign bus_rsp_valid = dma_axi_bvalid | dma_axi_rvalid; + assign bus_rsp_sent = (dma_axi_bvalid & dma_axi_bready) | (dma_axi_rvalid & dma_axi_rready); + assign dma_active = (wrbuf_vld | rdbuf_vld) | |fifo_valid[DEPTH - 1:0]; +endmodule +module eb1_exu_alu_ctl ( + clk, + rst_l, + scan_mode, + flush_upper_x, + flush_lower_r, + enable, + valid_in, + ap, + csr_ren_in, + csr_rddata_in, + a_in, + b_in, + pc_in, + pp_in, + brimm_in, + result_ff, + flush_upper_out, + flush_final_out, + flush_path_out, + pc_ff, + pred_correct_out, + predict_p_out +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire flush_upper_x; + input wire flush_lower_r; + input wire enable; + input wire valid_in; + input wire [43:0] ap; + input wire csr_ren_in; + input wire [31:0] csr_rddata_in; + input wire signed [31:0] a_in; + input wire [31:0] b_in; + input wire [31:1] pc_in; + input wire [55:0] pp_in; + input wire [12:1] brimm_in; + output wire [31:0] result_ff; + output wire flush_upper_out; + output wire flush_final_out; + output wire [31:1] flush_path_out; + output wire [31:1] pc_ff; + output wire pred_correct_out; + output reg [55:0] predict_p_out; + wire [31:0] zba_a_in; + wire [31:0] aout; + wire cout; + wire ov; + wire neg; + wire [31:0] lout; + wire [31:0] sout; + wire sel_shift; + wire sel_adder; + wire slt_one; + wire actual_taken; + wire [31:1] pcout; + wire cond_mispredict; + wire target_mispredict; + wire eq; + wire ne; + wire lt; + wire ge; + wire any_jal; + wire [1:0] newhist; + wire sel_pc; + wire [31:0] csr_write_data; + wire [31:0] result; + wire ap_clz; + wire ap_ctz; + wire ap_pcnt; + wire ap_sext_b; + wire ap_sext_h; + wire ap_min; + wire ap_max; + wire ap_pack; + wire ap_packu; + wire ap_packh; + wire ap_rol; + wire ap_ror; + wire ap_rev; + wire ap_rev8; + wire ap_orc_b; + wire ap_orc16; + wire ap_zbb; + wire ap_sbset; + wire ap_sbclr; + wire ap_sbinv; + wire ap_sbext; + wire ap_slo; + wire ap_sro; + wire ap_sh1add; + wire ap_sh2add; + wire ap_sh3add; + wire ap_zba; + generate + if (pt[2207-:5] == 1) begin + assign ap_clz = ap[43]; + assign ap_ctz = ap[42]; + assign ap_pcnt = ap[41]; + assign ap_sext_b = ap[40]; + assign ap_sext_h = ap[39]; + assign ap_min = ap[36]; + assign ap_max = ap[35]; + end + else begin + assign ap_clz = 1'b0; + assign ap_ctz = 1'b0; + assign ap_pcnt = 1'b0; + assign ap_sext_b = 1'b0; + assign ap_sext_h = 1'b0; + assign ap_min = 1'b0; + assign ap_max = 1'b0; + end + endgenerate + generate + if ((pt[2207-:5] == 1) | (pt[2187-:5] == 1)) begin + assign ap_pack = ap[34]; + assign ap_packu = ap[33]; + assign ap_packh = ap[32]; + assign ap_rol = ap[31]; + assign ap_ror = ap[30]; + assign ap_rev = ap[29] & (b_in[4:0] == 5'b11111); + assign ap_rev8 = ap[29] & (b_in[4:0] == 5'b11000); + assign ap_orc_b = ap[28] & (b_in[4:0] == 5'b00111); + assign ap_orc16 = ap[28] & (b_in[4:0] == 5'b10000); + assign ap_zbb = ap[27]; + end + else begin + assign ap_pack = 1'b0; + assign ap_packu = 1'b0; + assign ap_packh = 1'b0; + assign ap_rol = 1'b0; + assign ap_ror = 1'b0; + assign ap_rev = 1'b0; + assign ap_rev8 = 1'b0; + assign ap_orc_b = 1'b0; + assign ap_orc16 = 1'b0; + assign ap_zbb = 1'b0; + end + endgenerate + generate + if (pt[2177-:5] == 1) begin + assign ap_sbset = ap[26]; + assign ap_sbclr = ap[25]; + assign ap_sbinv = ap[24]; + assign ap_sbext = ap[23]; + end + else begin + assign ap_sbset = 1'b0; + assign ap_sbclr = 1'b0; + assign ap_sbinv = 1'b0; + assign ap_sbext = 1'b0; + end + endgenerate + generate + if (pt[2187-:5] == 1) begin + assign ap_slo = ap[38]; + assign ap_sro = ap[37]; + end + else begin + assign ap_slo = 1'b0; + assign ap_sro = 1'b0; + end + endgenerate + generate + if (pt[2212-:5] == 1) begin + assign ap_sh1add = ap[22]; + assign ap_sh2add = ap[21]; + assign ap_sh3add = ap[20]; + assign ap_zba = ap[19]; + end + else begin + assign ap_sh1add = 1'b0; + assign ap_sh2add = 1'b0; + assign ap_sh3add = 1'b0; + assign ap_zba = 1'b0; + end + endgenerate + rvdffpcie #(.WIDTH(31)) i_pc_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(enable), + .din(pc_in[31:1]), + .dout(pc_ff[31:1]) + ); + rvdffe #(.WIDTH(32)) i_result_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(enable & valid_in), + .din(result[31:0]), + .dout(result_ff[31:0]) + ); + assign zba_a_in[31:0] = ((({32 {ap_sh1add}} & {a_in[30:0], 1'b0}) | ({32 {ap_sh2add}} & {a_in[29:0], 2'b00})) | ({32 {ap_sh3add}} & {a_in[28:0], 3'b000})) | ({32 {~ap_zba}} & a_in[31:0]); + wire [31:0] bm; + assign bm[31:0] = (ap[7] ? ~b_in[31:0] : b_in[31:0]); + assign {cout, aout[31:0]} = ({1'b0, zba_a_in[31:0]} + {1'b0, bm[31:0]}) + {32'b00000000000000000000000000000000, ap[7]}; + assign ov = ((~a_in[31] & ~bm[31]) & aout[31]) | ((a_in[31] & bm[31]) & ~aout[31]); + assign lt = (~ap[5] & (neg ^ ov)) | (ap[5] & ~cout); + assign eq = a_in[31:0] == b_in[31:0]; + assign ne = ~eq; + assign neg = aout[31]; + assign ge = ~lt; + assign lout[31:0] = (((((({32 {csr_ren_in}} & csr_rddata_in[31:0]) | (({32 {ap[18] & ~ap_zbb}} & a_in[31:0]) & b_in[31:0])) | ({32 {ap[17] & ~ap_zbb}} & (a_in[31:0] | b_in[31:0]))) | ({32 {ap[16] & ~ap_zbb}} & (a_in[31:0] ^ b_in[31:0]))) | (({32 {ap[18] & ap_zbb}} & a_in[31:0]) & ~b_in[31:0])) | ({32 {ap[17] & ap_zbb}} & (a_in[31:0] | ~b_in[31:0]))) | ({32 {ap[16] & ap_zbb}} & (a_in[31:0] ^ ~b_in[31:0])); + wire [5:0] shift_amount; + wire [31:0] shift_mask; + wire [62:0] shift_extend; + wire [62:0] shift_long; + assign shift_amount[5:0] = ((((((({6 {ap[15]}} & (6'd32 - {1'b0, b_in[4:0]})) | ({6 {ap[14]}} & {1'b0, b_in[4:0]})) | ({6 {ap[13]}} & {1'b0, b_in[4:0]})) | ({6 {ap_rol}} & (6'd32 - {1'b0, b_in[4:0]}))) | ({6 {ap_ror}} & {1'b0, b_in[4:0]})) | ({6 {ap_slo}} & (6'd32 - {1'b0, b_in[4:0]}))) | ({6 {ap_sro}} & {1'b0, b_in[4:0]})) | ({6 {ap_sbext}} & {1'b0, b_in[4:0]}); + assign shift_mask[31:0] = 32'hffffffff << ({5 {ap[15] | ap_slo}} & b_in[4:0]); + assign shift_extend[31:0] = a_in[31:0]; + assign shift_extend[62:32] = ((((({31 {ap[13]}} & {31 {a_in[31]}}) | ({31 {ap[15]}} & a_in[30:0])) | ({31 {ap_rol}} & a_in[30:0])) | ({31 {ap_ror}} & a_in[30:0])) | ({31 {ap_slo}} & a_in[30:0])) | ({31 {ap_sro}} & {31 {1'b1}}); + assign shift_long[62:0] = shift_extend[62:0] >> shift_amount[4:0]; + assign sout[31:0] = (shift_long[31:0] & shift_mask[31:0]) | ({32 {ap_slo}} & ~shift_mask[31:0]); + wire bitmanip_clz_ctz_sel; + wire [31:0] bitmanip_a_reverse_ff; + wire [31:0] bitmanip_lzd_in; + reg [5:0] bitmanip_dw_lzd_enc; + wire [5:0] bitmanip_clz_ctz_result; + assign bitmanip_clz_ctz_sel = ap_clz | ap_ctz; + assign bitmanip_a_reverse_ff[31:0] = {a_in[0], a_in[1], a_in[2], a_in[3], a_in[4], a_in[5], a_in[6], a_in[7], a_in[8], a_in[9], a_in[10], a_in[11], a_in[12], a_in[13], a_in[14], a_in[15], a_in[16], a_in[17], a_in[18], a_in[19], a_in[20], a_in[21], a_in[22], a_in[23], a_in[24], a_in[25], a_in[26], a_in[27], a_in[28], a_in[29], a_in[30], a_in[31]}; + assign bitmanip_lzd_in[31:0] = ({32 {ap_clz}} & a_in[31:0]) | ({32 {ap_ctz}} & bitmanip_a_reverse_ff[31:0]); + reg [31:0] bitmanip_lzd_os; + integer i; + reg found; + always @(*) begin + bitmanip_lzd_os[31:0] = bitmanip_lzd_in[31:0]; + bitmanip_dw_lzd_enc[5:0] = 6'b000000; + found = 1'b0; + begin : sv2v_autoblock_42 + reg signed [31:0] i; + for (i = 0; (i < 32) && (found == 0); i = i + 1) + if (bitmanip_lzd_os[31] == 1'b0) begin + bitmanip_dw_lzd_enc[5:0] = bitmanip_dw_lzd_enc[5:0] + 6'b000001; + bitmanip_lzd_os[31:0] = bitmanip_lzd_os[31:0] << 1; + end + else + found = 1'b1; + end + end + assign bitmanip_clz_ctz_result[5:0] = {6 {bitmanip_clz_ctz_sel}} & {bitmanip_dw_lzd_enc[5], {5 {~bitmanip_dw_lzd_enc[5]}} & bitmanip_dw_lzd_enc[4:0]}; + reg [5:0] bitmanip_pcnt; + wire [5:0] bitmanip_pcnt_result; + integer bitmanip_pcnt_i; + always @(*) begin + bitmanip_pcnt[5:0] = 6'b000000; + for (bitmanip_pcnt_i = 0; bitmanip_pcnt_i < 32; bitmanip_pcnt_i = bitmanip_pcnt_i + 1) + bitmanip_pcnt[5:0] = bitmanip_pcnt[5:0] + {5'b00000, a_in[bitmanip_pcnt_i]}; + end + assign bitmanip_pcnt_result[5:0] = {6 {ap_pcnt}} & bitmanip_pcnt[5:0]; + wire [31:0] bitmanip_sext_result; + assign bitmanip_sext_result[31:0] = ({32 {ap_sext_b}} & {{24 {a_in[7]}}, a_in[7:0]}) | ({32 {ap_sext_h}} & {{16 {a_in[15]}}, a_in[15:0]}); + wire bitmanip_minmax_sel; + wire [31:0] bitmanip_minmax_result; + assign bitmanip_minmax_sel = ap_min | ap_max; + wire bitmanip_minmax_sel_a; + assign bitmanip_minmax_sel_a = ge ^ ap_min; + assign bitmanip_minmax_result[31:0] = ({32 {bitmanip_minmax_sel & bitmanip_minmax_sel_a}} & a_in[31:0]) | ({32 {bitmanip_minmax_sel & ~bitmanip_minmax_sel_a}} & b_in[31:0]); + wire [31:0] bitmanip_pack_result; + wire [31:0] bitmanip_packu_result; + wire [31:0] bitmanip_packh_result; + assign bitmanip_pack_result[31:0] = {32 {ap_pack}} & {b_in[15:0], a_in[15:0]}; + assign bitmanip_packu_result[31:0] = {32 {ap_packu}} & {b_in[31:16], a_in[31:16]}; + assign bitmanip_packh_result[31:0] = {32 {ap_packh}} & {16'b0000000000000000, b_in[7:0], a_in[7:0]}; + wire [31:0] bitmanip_rev_result; + wire [31:0] bitmanip_rev8_result; + wire [31:0] bitmanip_orc_b_result; + wire [31:0] bitmanip_orc16_result; + assign bitmanip_rev_result[31:0] = {32 {ap_rev}} & {a_in[0], a_in[1], a_in[2], a_in[3], a_in[4], a_in[5], a_in[6], a_in[7], a_in[8], a_in[9], a_in[10], a_in[11], a_in[12], a_in[13], a_in[14], a_in[15], a_in[16], a_in[17], a_in[18], a_in[19], a_in[20], a_in[21], a_in[22], a_in[23], a_in[24], a_in[25], a_in[26], a_in[27], a_in[28], a_in[29], a_in[30], a_in[31]}; + assign bitmanip_rev8_result[31:0] = {32 {ap_rev8}} & {a_in[7:0], a_in[15:8], a_in[23:16], a_in[31:24]}; + assign bitmanip_orc_b_result[31:0] = {32 {ap_orc_b}} & {{8 {|a_in[31:24]}}, {8 {|a_in[23:16]}}, {8 {|a_in[15:8]}}, {8 {|a_in[7:0]}}}; + assign bitmanip_orc16_result[31:0] = {32 {ap_orc16}} & {{a_in[31:16] | a_in[15:0]}, {a_in[31:16] | a_in[15:0]}}; + wire [31:0] bitmanip_sb_1hot; + wire [31:0] bitmanip_sb_data; + assign bitmanip_sb_1hot[31:0] = 32'h00000001 << b_in[4:0]; + assign bitmanip_sb_data[31:0] = (({32 {ap_sbset}} & (a_in[31:0] | bitmanip_sb_1hot[31:0])) | ({32 {ap_sbclr}} & (a_in[31:0] & ~bitmanip_sb_1hot[31:0]))) | ({32 {ap_sbinv}} & (a_in[31:0] ^ bitmanip_sb_1hot[31:0])); + assign sel_shift = (((((ap[15] | ap[14]) | ap[13]) | ap_slo) | ap_sro) | ap_rol) | ap_ror; + assign sel_adder = ((((ap[8] | ap[7]) | ap_zba) & ~ap[6]) & ~ap_min) & ~ap_max; + assign sel_pc = ((ap[4] | pp_in[34]) | pp_in[33]) | pp_in[31]; + assign csr_write_data[31:0] = (ap[0] ? b_in[31:0] : a_in[31:0]); + assign slt_one = ap[6] & lt; + assign result[31:0] = (((((((((((((((((lout[31:0] | ({32 {sel_shift}} & sout[31:0])) | ({32 {sel_adder}} & aout[31:0])) | ({32 {sel_pc}} & {pcout[31:1], 1'b0})) | ({32 {ap[1]}} & csr_write_data[31:0])) | {31'b0000000000000000000000000000000, slt_one}) | ({32 {ap_sbext}} & {31'b0000000000000000000000000000000, sout[0]})) | {26'b00000000000000000000000000, bitmanip_clz_ctz_result[5:0]}) | {26'b00000000000000000000000000, bitmanip_pcnt_result[5:0]}) | bitmanip_sext_result[31:0]) | bitmanip_minmax_result[31:0]) | bitmanip_pack_result[31:0]) | bitmanip_packu_result[31:0]) | bitmanip_packh_result[31:0]) | bitmanip_rev_result[31:0]) | bitmanip_rev8_result[31:0]) | bitmanip_orc_b_result[31:0]) | bitmanip_orc16_result[31:0]) | bitmanip_sb_data[31:0]; + assign any_jal = ((ap[4] | pp_in[34]) | pp_in[33]) | pp_in[31]; + assign actual_taken = ((((ap[12] & eq) | (ap[11] & ne)) | (ap[10] & lt)) | (ap[9] & ge)) | any_jal; + rvbradder ibradder( + .pc(pc_in[31:1]), + .offset(brimm_in[12:1]), + .dout(pcout[31:1]) + ); + assign pred_correct_out = (((valid_in & ap[2]) & ~actual_taken) & ~any_jal) | (((valid_in & ap[3]) & actual_taken) & ~any_jal); + assign flush_path_out[31:1] = (any_jal ? aout[31:1] : pcout[31:1]); + assign cond_mispredict = (ap[3] & ~actual_taken) | (ap[2] & actual_taken); + assign target_mispredict = pp_in[31] & (pp_in[30:0] != aout[31:1]); + assign flush_upper_out = ((((ap[4] | cond_mispredict) | target_mispredict) & valid_in) & ~flush_upper_x) & ~flush_lower_r; + assign flush_final_out = ((((ap[4] | cond_mispredict) | target_mispredict) & valid_in) & ~flush_upper_x) | flush_lower_r; + assign newhist[1] = (pp_in[51] & pp_in[50]) | (~pp_in[50] & actual_taken); + assign newhist[0] = (~pp_in[51] & ~actual_taken) | (pp_in[51] & actual_taken); + always @(*) begin + predict_p_out = pp_in; + predict_p_out[55] = (~flush_upper_x & ~flush_lower_r) & (cond_mispredict | target_mispredict); + predict_p_out[54] = actual_taken; + predict_p_out[51] = newhist[1]; + predict_p_out[50] = newhist[0]; + end +endmodule +module eb1_exu_div_ctl ( + clk, + rst_l, + scan_mode, + dp, + dividend, + divisor, + cancel, + finish_dly, + out +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire [2:0] dp; + input wire [31:0] dividend; + input wire [31:0] divisor; + input wire cancel; + output wire finish_dly; + output wire [31:0] out; + wire [31:0] out_raw; + assign out[31:0] = {32 {finish_dly}} & out_raw[31:0]; + generate + if (pt[1262-:5] == 0) eb1_exu_div_existing_1bit_cheapshortq i_existing_1bit_div_cheapshortq( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .cancel(cancel), + .valid_in(dp[2]), + .signed_in(~dp[1]), + .rem_in(dp[0]), + .dividend_in(dividend[31:0]), + .divisor_in(divisor[31:0]), + .valid_out(finish_dly), + .data_out(out_raw[31:0]) + ); + endgenerate + generate + if ((pt[1262-:5] == 1) & (pt[1269-:7] == 1)) eb1_exu_div_new_1bit_fullshortq i_new_1bit_div_fullshortq( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .cancel(cancel), + .valid_in(dp[2]), + .signed_in(~dp[1]), + .rem_in(dp[0]), + .dividend_in(dividend[31:0]), + .divisor_in(divisor[31:0]), + .valid_out(finish_dly), + .data_out(out_raw[31:0]) + ); + endgenerate + generate + if ((pt[1262-:5] == 1) & (pt[1269-:7] == 2)) eb1_exu_div_new_2bit_fullshortq i_new_2bit_div_fullshortq( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .cancel(cancel), + .valid_in(dp[2]), + .signed_in(~dp[1]), + .rem_in(dp[0]), + .dividend_in(dividend[31:0]), + .divisor_in(divisor[31:0]), + .valid_out(finish_dly), + .data_out(out_raw[31:0]) + ); + endgenerate + generate + if ((pt[1262-:5] == 1) & (pt[1269-:7] == 3)) eb1_exu_div_new_3bit_fullshortq i_new_3bit_div_fullshortq( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .cancel(cancel), + .valid_in(dp[2]), + .signed_in(~dp[1]), + .rem_in(dp[0]), + .dividend_in(dividend[31:0]), + .divisor_in(divisor[31:0]), + .valid_out(finish_dly), + .data_out(out_raw[31:0]) + ); + endgenerate + generate + if ((pt[1262-:5] == 1) & (pt[1269-:7] == 4)) eb1_exu_div_new_4bit_fullshortq i_new_4bit_div_fullshortq( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .cancel(cancel), + .valid_in(dp[2]), + .signed_in(~dp[1]), + .rem_in(dp[0]), + .dividend_in(dividend[31:0]), + .divisor_in(divisor[31:0]), + .valid_out(finish_dly), + .data_out(out_raw[31:0]) + ); + endgenerate +endmodule +module eb1_exu_div_existing_1bit_cheapshortq ( + clk, + rst_l, + scan_mode, + cancel, + valid_in, + signed_in, + rem_in, + dividend_in, + divisor_in, + valid_out, + data_out +); + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire cancel; + input wire valid_in; + input wire signed_in; + input wire rem_in; + input wire [31:0] dividend_in; + input wire [31:0] divisor_in; + output wire valid_out; + output wire [31:0] data_out; + wire div_clken; + wire run_in; + wire run_state; + wire [5:0] count_in; + wire [5:0] count; + wire [32:0] m_ff; + wire qff_enable; + wire aff_enable; + wire [32:0] q_in; + wire [32:0] q_ff; + wire [32:0] a_in; + wire [32:0] a_ff; + wire [32:0] m_eff; + wire [32:0] a_shift; + wire dividend_neg_ff; + wire divisor_neg_ff; + wire [31:0] dividend_comp; + wire [31:0] dividend_eff; + wire [31:0] q_ff_comp; + wire [31:0] q_ff_eff; + wire [31:0] a_ff_comp; + wire [31:0] a_ff_eff; + wire sign_ff; + wire sign_eff; + wire rem_ff; + wire add; + wire [32:0] a_eff; + wire [64:0] a_eff_shift; + wire rem_correct; + wire valid_ff_x; + wire valid_x; + wire finish; + wire finish_ff; + wire smallnum_case; + wire smallnum_case_ff; + wire [3:0] smallnum; + wire [3:0] smallnum_ff; + wire m_already_comp; + wire [4:0] a_cls; + wire [4:0] b_cls; + wire [5:0] shortq_shift; + wire [5:0] shortq_shift_ff; + wire [5:0] shortq; + wire shortq_enable; + wire shortq_enable_ff; + wire [32:0] short_dividend; + wire [3:0] shortq_raw; + wire [3:0] shortq_shift_xx; + rvdffe #(.WIDTH(23)) i_misc_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(div_clken), + .din({valid_in & ~cancel, finish & ~cancel, run_in, count_in[5:0], (valid_in & dividend_in[31]) | (~valid_in & dividend_neg_ff), (valid_in & divisor_in[31]) | (~valid_in & divisor_neg_ff), (valid_in & sign_eff) | (~valid_in & sign_ff), (valid_in & rem_in) | (~valid_in & rem_ff), smallnum_case, smallnum[3:0], shortq_enable, shortq_shift[3:0]}), + .dout({valid_ff_x, finish_ff, run_state, count[5:0], dividend_neg_ff, divisor_neg_ff, sign_ff, rem_ff, smallnum_case_ff, smallnum_ff[3:0], shortq_enable_ff, shortq_shift_xx[3:0]}) + ); + rvdffe #(.WIDTH(33)) mff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(valid_in), + .din({signed_in & divisor_in[31], divisor_in[31:0]}), + .dout(m_ff[32:0]) + ); + rvdffe #(.WIDTH(33)) qff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qff_enable), + .din(q_in[32:0]), + .dout(q_ff[32:0]) + ); + rvdffe #(.WIDTH(33)) aff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(aff_enable), + .din(a_in[32:0]), + .dout(a_ff[32:0]) + ); + rvtwoscomp #(.WIDTH(32)) i_dividend_comp( + .din(q_ff[31:0]), + .dout(dividend_comp[31:0]) + ); + rvtwoscomp #(.WIDTH(32)) i_q_ff_comp( + .din(q_ff[31:0]), + .dout(q_ff_comp[31:0]) + ); + rvtwoscomp #(.WIDTH(32)) i_a_ff_comp( + .din(a_ff[31:0]), + .dout(a_ff_comp[31:0]) + ); + assign valid_x = valid_ff_x & ~cancel; + assign smallnum_case = (((((q_ff[31:4] == 28'b0000000000000000000000000000) & (m_ff[31:4] == 28'b0000000000000000000000000000)) & (m_ff[31:0] != 32'b00000000000000000000000000000000)) & ~rem_ff) & valid_x) | ((((q_ff[31:0] == 32'b00000000000000000000000000000000) & (m_ff[31:0] != 32'b00000000000000000000000000000000)) & ~rem_ff) & valid_x); + assign smallnum[3] = ((q_ff[3] & ~m_ff[3]) & ~m_ff[2]) & ~m_ff[1]; + assign smallnum[2] = ((((q_ff[3] & ~m_ff[3]) & ~m_ff[2]) & ~m_ff[0]) | (((q_ff[2] & ~m_ff[3]) & ~m_ff[2]) & ~m_ff[1])) | (((q_ff[3] & q_ff[2]) & ~m_ff[3]) & ~m_ff[2]); + assign smallnum[1] = ((((((((((q_ff[2] & ~m_ff[3]) & ~m_ff[2]) & ~m_ff[0]) | (((q_ff[1] & ~m_ff[3]) & ~m_ff[2]) & ~m_ff[1])) | (((q_ff[3] & ~m_ff[3]) & ~m_ff[1]) & ~m_ff[0])) | (((((q_ff[3] & ~q_ff[2]) & ~m_ff[3]) & ~m_ff[2]) & m_ff[1]) & m_ff[0])) | ((((~q_ff[3] & q_ff[2]) & q_ff[1]) & ~m_ff[3]) & ~m_ff[2])) | (((q_ff[3] & q_ff[2]) & ~m_ff[3]) & ~m_ff[0])) | ((((q_ff[3] & q_ff[2]) & ~m_ff[3]) & m_ff[2]) & ~m_ff[1])) | (((q_ff[3] & q_ff[1]) & ~m_ff[3]) & ~m_ff[1])) | ((((q_ff[3] & q_ff[2]) & q_ff[1]) & ~m_ff[3]) & m_ff[2]); + assign smallnum[0] = ((((((((((((((((((((((((((((q_ff[2] & q_ff[1]) & q_ff[0]) & ~m_ff[3]) & ~m_ff[1]) | (((((q_ff[3] & ~q_ff[2]) & q_ff[0]) & ~m_ff[3]) & m_ff[1]) & m_ff[0])) | (((q_ff[2] & ~m_ff[3]) & ~m_ff[1]) & ~m_ff[0])) | (((q_ff[1] & ~m_ff[3]) & ~m_ff[2]) & ~m_ff[0])) | (((q_ff[0] & ~m_ff[3]) & ~m_ff[2]) & ~m_ff[1])) | ((((((~q_ff[3] & q_ff[2]) & ~q_ff[1]) & ~m_ff[3]) & ~m_ff[2]) & m_ff[1]) & m_ff[0])) | ((((~q_ff[3] & q_ff[2]) & q_ff[1]) & ~m_ff[3]) & ~m_ff[0])) | (((q_ff[3] & ~m_ff[2]) & ~m_ff[1]) & ~m_ff[0])) | ((((q_ff[3] & ~q_ff[2]) & ~m_ff[3]) & m_ff[2]) & m_ff[1])) | (((((~q_ff[3] & q_ff[2]) & q_ff[1]) & ~m_ff[3]) & m_ff[2]) & ~m_ff[1])) | ((((~q_ff[3] & q_ff[2]) & q_ff[0]) & ~m_ff[3]) & ~m_ff[1])) | (((((q_ff[3] & ~q_ff[2]) & ~q_ff[1]) & ~m_ff[3]) & m_ff[2]) & m_ff[0])) | ((((~q_ff[2] & q_ff[1]) & q_ff[0]) & ~m_ff[3]) & ~m_ff[2])) | (((q_ff[3] & q_ff[2]) & ~m_ff[1]) & ~m_ff[0])) | (((q_ff[3] & q_ff[1]) & ~m_ff[2]) & ~m_ff[0])) | (((((~q_ff[3] & q_ff[2]) & q_ff[1]) & q_ff[0]) & ~m_ff[3]) & m_ff[2])) | (((q_ff[3] & q_ff[2]) & m_ff[3]) & ~m_ff[2])) | ((((q_ff[3] & q_ff[1]) & m_ff[3]) & ~m_ff[2]) & ~m_ff[1])) | (((q_ff[3] & q_ff[0]) & ~m_ff[2]) & ~m_ff[1])) | (((((q_ff[3] & ~q_ff[1]) & ~m_ff[3]) & m_ff[2]) & m_ff[1]) & m_ff[0])) | ((((q_ff[3] & q_ff[2]) & q_ff[1]) & m_ff[3]) & ~m_ff[0])) | ((((q_ff[3] & q_ff[2]) & q_ff[1]) & m_ff[3]) & ~m_ff[1])) | ((((q_ff[3] & q_ff[2]) & q_ff[0]) & m_ff[3]) & ~m_ff[1])) | ((((q_ff[3] & ~q_ff[2]) & q_ff[1]) & ~m_ff[3]) & m_ff[1])) | (((q_ff[3] & q_ff[1]) & q_ff[0]) & ~m_ff[2])) | ((((q_ff[3] & q_ff[2]) & q_ff[1]) & q_ff[0]) & m_ff[3]); + assign short_dividend[31:0] = q_ff[31:0]; + assign short_dividend[32] = sign_ff & q_ff[31]; + assign a_cls[4:3] = 2'b00; + assign a_cls[2] = (~short_dividend[32] & (short_dividend[31:24] != {8 {1'b0}})) | (short_dividend[32] & (short_dividend[31:23] != {9 {1'b1}})); + assign a_cls[1] = (~short_dividend[32] & (short_dividend[23:16] != {8 {1'b0}})) | (short_dividend[32] & (short_dividend[22:15] != {8 {1'b1}})); + assign a_cls[0] = (~short_dividend[32] & (short_dividend[15:8] != {8 {1'b0}})) | (short_dividend[32] & (short_dividend[14:7] != {8 {1'b1}})); + assign b_cls[4:3] = 2'b00; + assign b_cls[2] = (~m_ff[32] & (m_ff[31:24] != {8 {1'b0}})) | (m_ff[32] & (m_ff[31:24] != {8 {1'b1}})); + assign b_cls[1] = (~m_ff[32] & (m_ff[23:16] != {8 {1'b0}})) | (m_ff[32] & (m_ff[23:16] != {8 {1'b1}})); + assign b_cls[0] = (~m_ff[32] & (m_ff[15:8] != {8 {1'b0}})) | (m_ff[32] & (m_ff[15:8] != {8 {1'b1}})); + assign shortq_raw[3] = ((((((a_cls[2:1] == 2'b01) & (b_cls[2] == 1'b1)) | ((a_cls[2:0] == 3'b001) & (b_cls[2] == 1'b1))) | ((a_cls[2:0] == 3'b000) & (b_cls[2] == 1'b1))) | ((a_cls[2:0] == 3'b001) & (b_cls[2:1] == 2'b01))) | ((a_cls[2:0] == 3'b000) & (b_cls[2:1] == 2'b01))) | ((a_cls[2:0] == 3'b000) & (b_cls[2:0] == 3'b001)); + assign shortq_raw[2] = ((((a_cls[2] == 1'b1) & (b_cls[2] == 1'b1)) | ((a_cls[2:1] == 2'b01) & (b_cls[2:1] == 2'b01))) | ((a_cls[2:0] == 3'b001) & (b_cls[2:0] == 3'b001))) | ((a_cls[2:0] == 3'b000) & (b_cls[2:0] == 3'b000)); + assign shortq_raw[1] = (((a_cls[2] == 1'b1) & (b_cls[2:1] == 2'b01)) | ((a_cls[2:1] == 2'b01) & (b_cls[2:0] == 3'b001))) | ((a_cls[2:0] == 3'b001) & (b_cls[2:0] == 3'b000)); + assign shortq_raw[0] = ((a_cls[2] == 1'b1) & (b_cls[2:0] == 3'b001)) | ((a_cls[2:1] == 2'b01) & (b_cls[2:0] == 3'b000)); + assign shortq_enable = (valid_ff_x & (m_ff[31:0] != 32'b00000000000000000000000000000000)) & (shortq_raw[3:0] != 4'b0000); + assign shortq_shift[3:0] = {4 {shortq_enable}} & shortq_raw[3:0]; + assign shortq[5:0] = 6'b000000; + assign shortq_shift[5:4] = 2'b00; + assign shortq_shift_ff[5] = 1'b0; + assign shortq_shift_ff[4:0] = ((({5 {shortq_shift_xx[3]}} & 5'b11111) | ({5 {shortq_shift_xx[2]}} & 5'b11000)) | ({5 {shortq_shift_xx[1]}} & 5'b10000)) | ({5 {shortq_shift_xx[0]}} & 5'b01000); + assign div_clken = ((valid_in | run_state) | finish) | finish_ff; + assign run_in = ((valid_in | run_state) & ~finish) & ~cancel; + assign count_in[5:0] = {6 {((run_state & ~finish) & ~cancel) & ~shortq_enable}} & ((count[5:0] + {1'b0, shortq_shift_ff[4:0]}) + 6'd1); + assign finish = smallnum_case | (~rem_ff ? count[5:0] == 6'd32 : count[5:0] == 6'd33); + assign valid_out = finish_ff & ~cancel; + assign sign_eff = signed_in & (divisor_in[31:0] != 32'b00000000000000000000000000000000); + assign q_in[32:0] = (({33 {~run_state}} & {1'b0, dividend_in[31:0]}) | ({33 {run_state & (valid_ff_x | shortq_enable_ff)}} & ({dividend_eff[31:0], ~a_in[32]} << shortq_shift_ff[4:0]))) | ({33 {run_state & ~(valid_ff_x | shortq_enable_ff)}} & {q_ff[31:0], ~a_in[32]}); + assign qff_enable = valid_in | (run_state & ~shortq_enable); + assign dividend_eff[31:0] = (sign_ff & dividend_neg_ff ? dividend_comp[31:0] : q_ff[31:0]); + assign m_eff[32:0] = (add ? m_ff[32:0] : ~m_ff[32:0]); + assign a_eff_shift[64:0] = {33'b000000000000000000000000000000000, dividend_eff[31:0]} << shortq_shift_ff[4:0]; + assign a_eff[32:0] = (({33 {rem_correct}} & a_ff[32:0]) | ({33 {~rem_correct & ~shortq_enable_ff}} & {a_ff[31:0], q_ff[32]})) | ({33 {~rem_correct & shortq_enable_ff}} & a_eff_shift[64:32]); + assign a_shift[32:0] = {33 {run_state}} & a_eff[32:0]; + assign a_in[32:0] = {33 {run_state}} & ((a_shift[32:0] + m_eff[32:0]) + {32'b00000000000000000000000000000000, ~add}); + assign aff_enable = (valid_in | ((run_state & ~shortq_enable) & (count[5:0] != 6'd33))) | rem_correct; + assign m_already_comp = divisor_neg_ff & sign_ff; + assign add = (a_ff[32] | rem_correct) ^ m_already_comp; + assign rem_correct = ((count[5:0] == 6'd33) & rem_ff) & a_ff[32]; + assign q_ff_eff[31:0] = (sign_ff & (dividend_neg_ff ^ divisor_neg_ff) ? q_ff_comp[31:0] : q_ff[31:0]); + assign a_ff_eff[31:0] = (sign_ff & dividend_neg_ff ? a_ff_comp[31:0] : a_ff[31:0]); + assign data_out[31:0] = (({32 {smallnum_case_ff}} & {28'b0000000000000000000000000000, smallnum_ff[3:0]}) | ({32 {rem_ff}} & a_ff_eff[31:0])) | ({32 {~smallnum_case_ff & ~rem_ff}} & q_ff_eff[31:0]); +endmodule +module eb1_exu_div_new_1bit_fullshortq ( + clk, + rst_l, + scan_mode, + cancel, + valid_in, + signed_in, + rem_in, + dividend_in, + divisor_in, + valid_out, + data_out +); + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire cancel; + input wire valid_in; + input wire signed_in; + input wire rem_in; + input wire [31:0] dividend_in; + input wire [31:0] divisor_in; + output wire valid_out; + output wire [31:0] data_out; + wire valid_ff_in; + wire valid_ff; + wire finish_raw; + wire finish; + wire finish_ff; + wire running_state; + wire misc_enable; + wire [2:0] control_in; + wire [2:0] control_ff; + wire dividend_sign_ff; + wire divisor_sign_ff; + wire rem_ff; + wire count_enable; + wire [6:0] count_in; + wire [6:0] count_ff; + wire smallnum_case; + wire [3:0] smallnum; + wire a_enable; + wire a_shift; + wire [31:0] a_in; + wire [31:0] a_ff; + wire b_enable; + wire b_twos_comp; + wire [32:0] b_in; + wire [32:0] b_ff; + wire [31:0] q_in; + wire [31:0] q_ff; + wire rq_enable; + wire r_sign_sel; + wire r_restore_sel; + wire r_adder_sel; + wire [31:0] r_in; + wire [31:0] r_ff; + wire twos_comp_q_sel; + wire twos_comp_b_sel; + wire [31:0] twos_comp_in; + wire [31:0] twos_comp_out; + wire quotient_set; + wire [32:0] adder_out; + wire [63:0] ar_shifted; + wire [5:0] shortq; + wire [4:0] shortq_shift; + wire [4:0] shortq_shift_ff; + wire shortq_enable; + wire shortq_enable_ff; + wire [32:0] shortq_dividend; + wire by_zero_case; + wire by_zero_case_ff; + rvdffe #(.WIDTH(19)) i_misc_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(misc_enable), + .din({valid_ff_in, control_in[2:0], by_zero_case, shortq_enable, shortq_shift[4:0], finish, count_in[6:0]}), + .dout({valid_ff, control_ff[2:0], by_zero_case_ff, shortq_enable_ff, shortq_shift_ff[4:0], finish_ff, count_ff[6:0]}) + ); + rvdffe #(.WIDTH(32)) i_a_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(a_enable), + .din(a_in[31:0]), + .dout(a_ff[31:0]) + ); + rvdffe #(.WIDTH(33)) i_b_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(b_enable), + .din(b_in[32:0]), + .dout(b_ff[32:0]) + ); + rvdffe #(.WIDTH(32)) i_r_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(rq_enable), + .din(r_in[31:0]), + .dout(r_ff[31:0]) + ); + rvdffe #(.WIDTH(32)) i_q_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(rq_enable), + .din(q_in[31:0]), + .dout(q_ff[31:0]) + ); + assign valid_ff_in = valid_in & ~cancel; + assign control_in[2] = (~valid_in & control_ff[2]) | ((valid_in & signed_in) & dividend_in[31]); + assign control_in[1] = (~valid_in & control_ff[1]) | ((valid_in & signed_in) & divisor_in[31]); + assign control_in[0] = (~valid_in & control_ff[0]) | (valid_in & rem_in); + assign dividend_sign_ff = control_ff[2]; + assign divisor_sign_ff = control_ff[1]; + assign rem_ff = control_ff[0]; + assign by_zero_case = valid_ff & (b_ff[31:0] == 32'b00000000000000000000000000000000); + assign misc_enable = (((valid_in | valid_ff) | cancel) | running_state) | finish_ff; + assign running_state = |count_ff[6:0] | shortq_enable_ff; + assign finish_raw = (smallnum_case | by_zero_case) | (count_ff[6:0] == 7'd32); + assign finish = finish_raw & ~cancel; + assign count_enable = ((((valid_ff | running_state) & ~finish) & ~finish_ff) & ~cancel) & ~shortq_enable; + assign count_in[6:0] = {7 {count_enable}} & ((count_ff[6:0] + 7'b0000001) + {2'b00, shortq_shift_ff[4:0]}); + assign a_enable = valid_in | running_state; + assign a_shift = running_state & ~shortq_enable_ff; + assign ar_shifted[63:0] = {{32 {dividend_sign_ff}}, a_ff[31:0]} << shortq_shift_ff[4:0]; + assign a_in[31:0] = (({32 {~a_shift & ~shortq_enable_ff}} & dividend_in[31:0]) | ({32 {a_shift}} & {a_ff[30:0], 1'b0})) | ({32 {shortq_enable_ff}} & ar_shifted[31:0]); + assign b_enable = valid_in | b_twos_comp; + assign b_twos_comp = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign b_in[32:0] = ({33 {~b_twos_comp}} & {signed_in & divisor_in[31], divisor_in[31:0]}) | ({33 {b_twos_comp}} & {~divisor_sign_ff, twos_comp_out[31:0]}); + assign rq_enable = (valid_in | valid_ff) | running_state; + assign r_sign_sel = (valid_ff & dividend_sign_ff) & ~by_zero_case; + assign r_restore_sel = (running_state & ~quotient_set) & ~shortq_enable_ff; + assign r_adder_sel = (running_state & quotient_set) & ~shortq_enable_ff; + assign r_in[31:0] = (((({32 {r_sign_sel}} & 32'hffffffff) | ({32 {r_restore_sel}} & {r_ff[30:0], a_ff[31]})) | ({32 {r_adder_sel}} & adder_out[31:0])) | ({32 {shortq_enable_ff}} & ar_shifted[63:32])) | ({32 {by_zero_case}} & a_ff[31:0]); + assign q_in[31:0] = (({32 {~valid_ff}} & {q_ff[30:0], quotient_set}) | ({32 {smallnum_case}} & {28'b0000000000000000000000000000, smallnum[3:0]})) | ({32 {by_zero_case}} & {32 {1'b1}}); + assign adder_out[32:0] = {r_ff[31:0], a_ff[31]} + {b_ff[32:0]}; + assign quotient_set = (~adder_out[32] ^ dividend_sign_ff) | ((a_ff[30:0] == 31'b0000000000000000000000000000000) & (adder_out[32:0] == 33'b000000000000000000000000000000000)); + assign twos_comp_b_sel = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign twos_comp_q_sel = ((~valid_ff & ~rem_ff) & (dividend_sign_ff ^ divisor_sign_ff)) & ~by_zero_case_ff; + assign twos_comp_in[31:0] = ({32 {twos_comp_q_sel}} & q_ff[31:0]) | ({32 {twos_comp_b_sel}} & b_ff[31:0]); + rvtwoscomp #(.WIDTH(32)) i_twos_comp( + .din(twos_comp_in[31:0]), + .dout(twos_comp_out[31:0]) + ); + assign valid_out = finish_ff & ~cancel; + assign data_out[31:0] = (({32 {~rem_ff & ~twos_comp_q_sel}} & q_ff[31:0]) | ({32 {rem_ff}} & r_ff[31:0])) | ({32 {twos_comp_q_sel}} & twos_comp_out[31:0]); + assign smallnum_case = ((((((a_ff[31:4] == 28'b0000000000000000000000000000) & (b_ff[31:4] == 28'b0000000000000000000000000000)) & ~by_zero_case) & ~rem_ff) & valid_ff) & ~cancel) | (((((a_ff[31:0] == 32'b00000000000000000000000000000000) & ~by_zero_case) & ~rem_ff) & valid_ff) & ~cancel); + assign smallnum[3] = ((a_ff[3] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1]; + assign smallnum[2] = ((((a_ff[3] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0]) | (((a_ff[2] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[2]) & ~b_ff[3]) & ~b_ff[2]); + assign smallnum[1] = ((((((((((a_ff[2] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0]) | (((a_ff[1] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & ~b_ff[3]) & ~b_ff[1]) & ~b_ff[0])) | (((((a_ff[3] & ~a_ff[2]) & ~b_ff[3]) & ~b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & ~b_ff[2])) | (((a_ff[3] & a_ff[2]) & ~b_ff[3]) & ~b_ff[0])) | ((((a_ff[3] & a_ff[2]) & ~b_ff[3]) & b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[1]) & ~b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[2]); + assign smallnum[0] = ((((((((((((((((((((((((((((a_ff[2] & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[1]) | (((((a_ff[3] & ~a_ff[2]) & a_ff[0]) & ~b_ff[3]) & b_ff[1]) & b_ff[0])) | (((a_ff[2] & ~b_ff[3]) & ~b_ff[1]) & ~b_ff[0])) | (((a_ff[1] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0])) | (((a_ff[0] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | ((((((~a_ff[3] & a_ff[2]) & ~a_ff[1]) & ~b_ff[3]) & ~b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & ~b_ff[0])) | (((a_ff[3] & ~b_ff[2]) & ~b_ff[1]) & ~b_ff[0])) | ((((a_ff[3] & ~a_ff[2]) & ~b_ff[3]) & b_ff[2]) & b_ff[1])) | (((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[2]) & ~b_ff[1])) | ((((~a_ff[3] & a_ff[2]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[1])) | (((((a_ff[3] & ~a_ff[2]) & ~a_ff[1]) & ~b_ff[3]) & b_ff[2]) & b_ff[0])) | ((((~a_ff[2] & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[2])) | (((a_ff[3] & a_ff[2]) & ~b_ff[1]) & ~b_ff[0])) | (((a_ff[3] & a_ff[1]) & ~b_ff[2]) & ~b_ff[0])) | (((((~a_ff[3] & a_ff[2]) & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & b_ff[2])) | (((a_ff[3] & a_ff[2]) & b_ff[3]) & ~b_ff[2])) | ((((a_ff[3] & a_ff[1]) & b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[0]) & ~b_ff[2]) & ~b_ff[1])) | (((((a_ff[3] & ~a_ff[1]) & ~b_ff[3]) & b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & b_ff[3]) & ~b_ff[0])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & a_ff[2]) & a_ff[0]) & b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & ~a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[1])) | (((a_ff[3] & a_ff[1]) & a_ff[0]) & ~b_ff[2])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & a_ff[0]) & b_ff[3]); + assign shortq_dividend[32:0] = {dividend_sign_ff, a_ff[31:0]}; + wire [5:0] dw_a_enc; + wire [5:0] dw_b_enc; + wire [6:0] dw_shortq_raw; + eb1_exu_div_cls i_a_cls( + .operand(shortq_dividend[32:0]), + .cls(dw_a_enc[4:0]) + ); + eb1_exu_div_cls i_b_cls( + .operand(b_ff[32:0]), + .cls(dw_b_enc[4:0]) + ); + assign dw_a_enc[5] = 1'b0; + assign dw_b_enc[5] = 1'b0; + assign dw_shortq_raw[6:0] = ({1'b0, dw_b_enc[5:0]} - {1'b0, dw_a_enc[5:0]}) + 7'd1; + assign shortq[5:0] = (dw_shortq_raw[6] ? 6'd0 : dw_shortq_raw[5:0]); + assign shortq_enable = ((valid_ff & ~shortq[5]) & ~(shortq[4:1] == 4'b1111)) & ~cancel; + assign shortq_shift[4:0] = (~shortq_enable ? 5'd0 : 5'b11111 - shortq[4:0]); +endmodule +module eb1_exu_div_new_2bit_fullshortq ( + clk, + rst_l, + scan_mode, + cancel, + valid_in, + signed_in, + rem_in, + dividend_in, + divisor_in, + valid_out, + data_out +); + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire cancel; + input wire valid_in; + input wire signed_in; + input wire rem_in; + input wire [31:0] dividend_in; + input wire [31:0] divisor_in; + output wire valid_out; + output wire [31:0] data_out; + wire valid_ff_in; + wire valid_ff; + wire finish_raw; + wire finish; + wire finish_ff; + wire running_state; + wire misc_enable; + wire [2:0] control_in; + wire [2:0] control_ff; + wire dividend_sign_ff; + wire divisor_sign_ff; + wire rem_ff; + wire count_enable; + wire [6:0] count_in; + wire [6:0] count_ff; + wire smallnum_case; + wire [3:0] smallnum; + wire a_enable; + wire a_shift; + wire [31:0] a_in; + wire [31:0] a_ff; + wire b_enable; + wire b_twos_comp; + wire [32:0] b_in; + wire [34:0] b_ff; + wire [31:0] q_in; + wire [31:0] q_ff; + wire rq_enable; + wire r_sign_sel; + wire r_restore_sel; + wire r_adder1_sel; + wire r_adder2_sel; + wire r_adder3_sel; + wire [31:0] r_in; + wire [31:0] r_ff; + wire twos_comp_q_sel; + wire twos_comp_b_sel; + wire [31:0] twos_comp_in; + wire [31:0] twos_comp_out; + wire [3:1] quotient_raw; + wire [1:0] quotient_new; + wire [32:0] adder1_out; + wire [33:0] adder2_out; + wire [34:0] adder3_out; + wire [63:0] ar_shifted; + wire [5:0] shortq; + wire [4:0] shortq_shift; + wire [4:1] shortq_shift_ff; + wire shortq_enable; + wire shortq_enable_ff; + wire [32:0] shortq_dividend; + wire by_zero_case; + wire by_zero_case_ff; + rvdffe #(.WIDTH(18)) i_misc_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(misc_enable), + .din({valid_ff_in, control_in[2:0], by_zero_case, shortq_enable, shortq_shift[4:1], finish, count_in[6:0]}), + .dout({valid_ff, control_ff[2:0], by_zero_case_ff, shortq_enable_ff, shortq_shift_ff[4:1], finish_ff, count_ff[6:0]}) + ); + rvdffe #(.WIDTH(32)) i_a_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(a_enable), + .din(a_in[31:0]), + .dout(a_ff[31:0]) + ); + rvdffe #(.WIDTH(33)) i_b_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(b_enable), + .din(b_in[32:0]), + .dout(b_ff[32:0]) + ); + rvdffe #(.WIDTH(32)) i_r_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(rq_enable), + .din(r_in[31:0]), + .dout(r_ff[31:0]) + ); + rvdffe #(.WIDTH(32)) i_q_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(rq_enable), + .din(q_in[31:0]), + .dout(q_ff[31:0]) + ); + assign valid_ff_in = valid_in & ~cancel; + assign control_in[2] = (~valid_in & control_ff[2]) | ((valid_in & signed_in) & dividend_in[31]); + assign control_in[1] = (~valid_in & control_ff[1]) | ((valid_in & signed_in) & divisor_in[31]); + assign control_in[0] = (~valid_in & control_ff[0]) | (valid_in & rem_in); + assign dividend_sign_ff = control_ff[2]; + assign divisor_sign_ff = control_ff[1]; + assign rem_ff = control_ff[0]; + assign by_zero_case = valid_ff & (b_ff[31:0] == 32'b00000000000000000000000000000000); + assign misc_enable = (((valid_in | valid_ff) | cancel) | running_state) | finish_ff; + assign running_state = |count_ff[6:0] | shortq_enable_ff; + assign finish_raw = (smallnum_case | by_zero_case) | (count_ff[6:0] == 7'd32); + assign finish = finish_raw & ~cancel; + assign count_enable = ((((valid_ff | running_state) & ~finish) & ~finish_ff) & ~cancel) & ~shortq_enable; + assign count_in[6:0] = {7 {count_enable}} & ((count_ff[6:0] + 7'b0000010) + {2'b00, shortq_shift_ff[4:1], 1'b0}); + assign a_enable = valid_in | running_state; + assign a_shift = running_state & ~shortq_enable_ff; + assign ar_shifted[63:0] = {{32 {dividend_sign_ff}}, a_ff[31:0]} << {shortq_shift_ff[4:1], 1'b0}; + assign a_in[31:0] = (({32 {~a_shift & ~shortq_enable_ff}} & dividend_in[31:0]) | ({32 {a_shift}} & {a_ff[29:0], 2'b00})) | ({32 {shortq_enable_ff}} & ar_shifted[31:0]); + assign b_enable = valid_in | b_twos_comp; + assign b_twos_comp = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign b_in[32:0] = ({33 {~b_twos_comp}} & {signed_in & divisor_in[31], divisor_in[31:0]}) | ({33 {b_twos_comp}} & {~divisor_sign_ff, twos_comp_out[31:0]}); + assign rq_enable = (valid_in | valid_ff) | running_state; + assign r_sign_sel = (valid_ff & dividend_sign_ff) & ~by_zero_case; + assign r_restore_sel = (running_state & (quotient_new[1:0] == 2'b00)) & ~shortq_enable_ff; + assign r_adder1_sel = (running_state & (quotient_new[1:0] == 2'b01)) & ~shortq_enable_ff; + assign r_adder2_sel = (running_state & (quotient_new[1:0] == 2'b10)) & ~shortq_enable_ff; + assign r_adder3_sel = (running_state & (quotient_new[1:0] == 2'b11)) & ~shortq_enable_ff; + assign r_in[31:0] = (((((({32 {r_sign_sel}} & 32'hffffffff) | ({32 {r_restore_sel}} & {r_ff[29:0], a_ff[31:30]})) | ({32 {r_adder1_sel}} & adder1_out[31:0])) | ({32 {r_adder2_sel}} & adder2_out[31:0])) | ({32 {r_adder3_sel}} & adder3_out[31:0])) | ({32 {shortq_enable_ff}} & ar_shifted[63:32])) | ({32 {by_zero_case}} & a_ff[31:0]); + assign q_in[31:0] = (({32 {~valid_ff}} & {q_ff[29:0], quotient_new[1:0]}) | ({32 {smallnum_case}} & {28'b0000000000000000000000000000, smallnum[3:0]})) | ({32 {by_zero_case}} & {32 {1'b1}}); + assign b_ff[34:33] = {b_ff[32], b_ff[32]}; + assign adder1_out[32:0] = {r_ff[30:0], a_ff[31:30]} + b_ff[32:0]; + assign adder2_out[33:0] = {r_ff[31:0], a_ff[31:30]} + {b_ff[32:0], 1'b0}; + assign adder3_out[34:0] = ({r_ff[31], r_ff[31:0], a_ff[31:30]} + {b_ff[33:0], 1'b0}) + b_ff[34:0]; + assign quotient_raw[1] = (~adder1_out[32] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder1_out[32:0] == 33'b000000000000000000000000000000000)); + assign quotient_raw[2] = (~adder2_out[33] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder2_out[33:0] == 34'b0000000000000000000000000000000000)); + assign quotient_raw[3] = (~adder3_out[34] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder3_out[34:0] == 35'b00000000000000000000000000000000000)); + assign quotient_new[1] = quotient_raw[3] | quotient_raw[2]; + assign quotient_new[0] = quotient_raw[3] | (~quotient_raw[2] & quotient_raw[1]); + assign twos_comp_b_sel = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign twos_comp_q_sel = ((~valid_ff & ~rem_ff) & (dividend_sign_ff ^ divisor_sign_ff)) & ~by_zero_case_ff; + assign twos_comp_in[31:0] = ({32 {twos_comp_q_sel}} & q_ff[31:0]) | ({32 {twos_comp_b_sel}} & b_ff[31:0]); + rvtwoscomp #(.WIDTH(32)) i_twos_comp( + .din(twos_comp_in[31:0]), + .dout(twos_comp_out[31:0]) + ); + assign valid_out = finish_ff & ~cancel; + assign data_out[31:0] = (({32 {~rem_ff & ~twos_comp_q_sel}} & q_ff[31:0]) | ({32 {rem_ff}} & r_ff[31:0])) | ({32 {twos_comp_q_sel}} & twos_comp_out[31:0]); + assign smallnum_case = ((((((a_ff[31:4] == 28'b0000000000000000000000000000) & (b_ff[31:4] == 28'b0000000000000000000000000000)) & ~by_zero_case) & ~rem_ff) & valid_ff) & ~cancel) | (((((a_ff[31:0] == 32'b00000000000000000000000000000000) & ~by_zero_case) & ~rem_ff) & valid_ff) & ~cancel); + assign smallnum[3] = ((a_ff[3] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1]; + assign smallnum[2] = ((((a_ff[3] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0]) | (((a_ff[2] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[2]) & ~b_ff[3]) & ~b_ff[2]); + assign smallnum[1] = ((((((((((a_ff[2] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0]) | (((a_ff[1] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & ~b_ff[3]) & ~b_ff[1]) & ~b_ff[0])) | (((((a_ff[3] & ~a_ff[2]) & ~b_ff[3]) & ~b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & ~b_ff[2])) | (((a_ff[3] & a_ff[2]) & ~b_ff[3]) & ~b_ff[0])) | ((((a_ff[3] & a_ff[2]) & ~b_ff[3]) & b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[1]) & ~b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[2]); + assign smallnum[0] = ((((((((((((((((((((((((((((a_ff[2] & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[1]) | (((((a_ff[3] & ~a_ff[2]) & a_ff[0]) & ~b_ff[3]) & b_ff[1]) & b_ff[0])) | (((a_ff[2] & ~b_ff[3]) & ~b_ff[1]) & ~b_ff[0])) | (((a_ff[1] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0])) | (((a_ff[0] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | ((((((~a_ff[3] & a_ff[2]) & ~a_ff[1]) & ~b_ff[3]) & ~b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & ~b_ff[0])) | (((a_ff[3] & ~b_ff[2]) & ~b_ff[1]) & ~b_ff[0])) | ((((a_ff[3] & ~a_ff[2]) & ~b_ff[3]) & b_ff[2]) & b_ff[1])) | (((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[2]) & ~b_ff[1])) | ((((~a_ff[3] & a_ff[2]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[1])) | (((((a_ff[3] & ~a_ff[2]) & ~a_ff[1]) & ~b_ff[3]) & b_ff[2]) & b_ff[0])) | ((((~a_ff[2] & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[2])) | (((a_ff[3] & a_ff[2]) & ~b_ff[1]) & ~b_ff[0])) | (((a_ff[3] & a_ff[1]) & ~b_ff[2]) & ~b_ff[0])) | (((((~a_ff[3] & a_ff[2]) & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & b_ff[2])) | (((a_ff[3] & a_ff[2]) & b_ff[3]) & ~b_ff[2])) | ((((a_ff[3] & a_ff[1]) & b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[0]) & ~b_ff[2]) & ~b_ff[1])) | (((((a_ff[3] & ~a_ff[1]) & ~b_ff[3]) & b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & b_ff[3]) & ~b_ff[0])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & a_ff[2]) & a_ff[0]) & b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & ~a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[1])) | (((a_ff[3] & a_ff[1]) & a_ff[0]) & ~b_ff[2])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & a_ff[0]) & b_ff[3]); + assign shortq_dividend[32:0] = {dividend_sign_ff, a_ff[31:0]}; + wire [5:0] dw_a_enc; + wire [5:0] dw_b_enc; + wire [6:0] dw_shortq_raw; + eb1_exu_div_cls i_a_cls( + .operand(shortq_dividend[32:0]), + .cls(dw_a_enc[4:0]) + ); + eb1_exu_div_cls i_b_cls( + .operand(b_ff[32:0]), + .cls(dw_b_enc[4:0]) + ); + assign dw_a_enc[5] = 1'b0; + assign dw_b_enc[5] = 1'b0; + assign dw_shortq_raw[6:0] = ({1'b0, dw_b_enc[5:0]} - {1'b0, dw_a_enc[5:0]}) + 7'd1; + assign shortq[5:0] = (dw_shortq_raw[6] ? 6'd0 : dw_shortq_raw[5:0]); + assign shortq_enable = ((valid_ff & ~shortq[5]) & ~(shortq[4:1] == 4'b1111)) & ~cancel; + assign shortq_shift[4:0] = (~shortq_enable ? 5'd0 : 5'b11111 - shortq[4:0]); +endmodule +module eb1_exu_div_new_3bit_fullshortq ( + clk, + rst_l, + scan_mode, + cancel, + valid_in, + signed_in, + rem_in, + dividend_in, + divisor_in, + valid_out, + data_out +); + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire cancel; + input wire valid_in; + input wire signed_in; + input wire rem_in; + input wire [31:0] dividend_in; + input wire [31:0] divisor_in; + output wire valid_out; + output wire [31:0] data_out; + wire valid_ff_in; + wire valid_ff; + wire finish_raw; + wire finish; + wire finish_ff; + wire running_state; + wire misc_enable; + wire [2:0] control_in; + wire [2:0] control_ff; + wire dividend_sign_ff; + wire divisor_sign_ff; + wire rem_ff; + wire count_enable; + wire [6:0] count_in; + wire [6:0] count_ff; + wire smallnum_case; + wire [3:0] smallnum; + wire a_enable; + wire a_shift; + wire [32:0] a_in; + wire [32:0] a_ff; + wire b_enable; + wire b_twos_comp; + wire [32:0] b_in; + wire [36:0] b_ff; + wire [31:0] q_in; + wire [31:0] q_ff; + wire rq_enable; + wire r_sign_sel; + wire r_restore_sel; + wire r_adder1_sel; + wire r_adder2_sel; + wire r_adder3_sel; + wire r_adder4_sel; + wire r_adder5_sel; + wire r_adder6_sel; + wire r_adder7_sel; + wire [32:0] r_in; + wire [32:0] r_ff; + wire twos_comp_q_sel; + wire twos_comp_b_sel; + wire [31:0] twos_comp_in; + wire [31:0] twos_comp_out; + wire [7:1] quotient_raw; + wire [2:0] quotient_new; + wire [33:0] adder1_out; + wire [34:0] adder2_out; + wire [35:0] adder3_out; + wire [36:0] adder4_out; + wire [36:0] adder5_out; + wire [36:0] adder6_out; + wire [36:0] adder7_out; + wire [65:0] ar_shifted; + wire [5:0] shortq; + wire [4:0] shortq_shift; + wire [4:0] shortq_decode; + wire [4:0] shortq_shift_ff; + wire shortq_enable; + wire shortq_enable_ff; + wire [32:0] shortq_dividend; + wire by_zero_case; + wire by_zero_case_ff; + rvdffe #(.WIDTH(19)) i_misc_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(misc_enable), + .din({valid_ff_in, control_in[2:0], by_zero_case, shortq_enable, shortq_shift[4:0], finish, count_in[6:0]}), + .dout({valid_ff, control_ff[2:0], by_zero_case_ff, shortq_enable_ff, shortq_shift_ff[4:0], finish_ff, count_ff[6:0]}) + ); + rvdffe #(.WIDTH(33)) i_a_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(a_enable), + .din(a_in[32:0]), + .dout(a_ff[32:0]) + ); + rvdffe #(.WIDTH(33)) i_b_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(b_enable), + .din(b_in[32:0]), + .dout(b_ff[32:0]) + ); + rvdffe #(.WIDTH(33)) i_r_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(rq_enable), + .din(r_in[32:0]), + .dout(r_ff[32:0]) + ); + rvdffe #(.WIDTH(32)) i_q_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(rq_enable), + .din(q_in[31:0]), + .dout(q_ff[31:0]) + ); + assign valid_ff_in = valid_in & ~cancel; + assign control_in[2] = (~valid_in & control_ff[2]) | ((valid_in & signed_in) & dividend_in[31]); + assign control_in[1] = (~valid_in & control_ff[1]) | ((valid_in & signed_in) & divisor_in[31]); + assign control_in[0] = (~valid_in & control_ff[0]) | (valid_in & rem_in); + assign dividend_sign_ff = control_ff[2]; + assign divisor_sign_ff = control_ff[1]; + assign rem_ff = control_ff[0]; + assign by_zero_case = valid_ff & (b_ff[31:0] == 32'b00000000000000000000000000000000); + assign misc_enable = (((valid_in | valid_ff) | cancel) | running_state) | finish_ff; + assign running_state = |count_ff[6:0] | shortq_enable_ff; + assign finish_raw = (smallnum_case | by_zero_case) | (count_ff[6:0] == 7'd33); + assign finish = finish_raw & ~cancel; + assign count_enable = ((((valid_ff | running_state) & ~finish) & ~finish_ff) & ~cancel) & ~shortq_enable; + assign count_in[6:0] = {7 {count_enable}} & ((count_ff[6:0] + 7'b0000011) + {2'b00, shortq_shift_ff[4:0]}); + assign a_enable = valid_in | running_state; + assign a_shift = running_state & ~shortq_enable_ff; + assign ar_shifted[65:0] = {{33 {dividend_sign_ff}}, a_ff[32:0]} << {shortq_shift_ff[4:0]}; + assign a_in[32:0] = (({33 {~a_shift & ~shortq_enable_ff}} & {signed_in & dividend_in[31], dividend_in[31:0]}) | ({33 {a_shift}} & {a_ff[29:0], 3'b000})) | ({33 {shortq_enable_ff}} & ar_shifted[32:0]); + assign b_enable = valid_in | b_twos_comp; + assign b_twos_comp = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign b_in[32:0] = ({33 {~b_twos_comp}} & {signed_in & divisor_in[31], divisor_in[31:0]}) | ({33 {b_twos_comp}} & {~divisor_sign_ff, twos_comp_out[31:0]}); + assign rq_enable = (valid_in | valid_ff) | running_state; + assign r_sign_sel = (valid_ff & dividend_sign_ff) & ~by_zero_case; + assign r_restore_sel = (running_state & (quotient_new[2:0] == 3'b000)) & ~shortq_enable_ff; + assign r_adder1_sel = (running_state & (quotient_new[2:0] == 3'b001)) & ~shortq_enable_ff; + assign r_adder2_sel = (running_state & (quotient_new[2:0] == 3'b010)) & ~shortq_enable_ff; + assign r_adder3_sel = (running_state & (quotient_new[2:0] == 3'b011)) & ~shortq_enable_ff; + assign r_adder4_sel = (running_state & (quotient_new[2:0] == 3'b100)) & ~shortq_enable_ff; + assign r_adder5_sel = (running_state & (quotient_new[2:0] == 3'b101)) & ~shortq_enable_ff; + assign r_adder6_sel = (running_state & (quotient_new[2:0] == 3'b110)) & ~shortq_enable_ff; + assign r_adder7_sel = (running_state & (quotient_new[2:0] == 3'b111)) & ~shortq_enable_ff; + assign r_in[32:0] = (((((((((({33 {r_sign_sel}} & {33 {1'b1}}) | ({33 {r_restore_sel}} & {r_ff[29:0], a_ff[32:30]})) | ({33 {r_adder1_sel}} & adder1_out[32:0])) | ({33 {r_adder2_sel}} & adder2_out[32:0])) | ({33 {r_adder3_sel}} & adder3_out[32:0])) | ({33 {r_adder4_sel}} & adder4_out[32:0])) | ({33 {r_adder5_sel}} & adder5_out[32:0])) | ({33 {r_adder6_sel}} & adder6_out[32:0])) | ({33 {r_adder7_sel}} & adder7_out[32:0])) | ({33 {shortq_enable_ff}} & ar_shifted[65:33])) | ({33 {by_zero_case}} & {1'b0, a_ff[31:0]}); + assign q_in[31:0] = (({32 {~valid_ff}} & {q_ff[28:0], quotient_new[2:0]}) | ({32 {smallnum_case}} & {28'b0000000000000000000000000000, smallnum[3:0]})) | ({32 {by_zero_case}} & {32 {1'b1}}); + assign b_ff[36:33] = {b_ff[32], b_ff[32], b_ff[32], b_ff[32]}; + assign adder1_out[33:0] = {r_ff[30:0], a_ff[32:30]} + b_ff[33:0]; + assign adder2_out[34:0] = {r_ff[31:0], a_ff[32:30]} + {b_ff[33:0], 1'b0}; + assign adder3_out[35:0] = ({r_ff[32:0], a_ff[32:30]} + {b_ff[34:0], 1'b0}) + b_ff[35:0]; + assign adder4_out[36:0] = {r_ff[32], r_ff[32:0], a_ff[32:30]} + {b_ff[34:0], 2'b00}; + assign adder5_out[36:0] = ({r_ff[32], r_ff[32:0], a_ff[32:30]} + {b_ff[34:0], 2'b00}) + b_ff[36:0]; + assign adder6_out[36:0] = ({r_ff[32], r_ff[32:0], a_ff[32:30]} + {b_ff[34:0], 2'b00}) + {b_ff[35:0], 1'b0}; + assign adder7_out[36:0] = (({r_ff[32], r_ff[32:0], a_ff[32:30]} + {b_ff[34:0], 2'b00}) + {b_ff[35:0], 1'b0}) + b_ff[36:0]; + assign quotient_raw[1] = (~adder1_out[33] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder1_out[33:0] == 34'b0000000000000000000000000000000000)); + assign quotient_raw[2] = (~adder2_out[34] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder2_out[34:0] == 35'b00000000000000000000000000000000000)); + assign quotient_raw[3] = (~adder3_out[35] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder3_out[35:0] == 36'b000000000000000000000000000000000000)); + assign quotient_raw[4] = (~adder4_out[36] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder4_out[36:0] == 37'b0000000000000000000000000000000000000)); + assign quotient_raw[5] = (~adder5_out[36] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder5_out[36:0] == 37'b0000000000000000000000000000000000000)); + assign quotient_raw[6] = (~adder6_out[36] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder6_out[36:0] == 37'b0000000000000000000000000000000000000)); + assign quotient_raw[7] = (~adder7_out[36] ^ dividend_sign_ff) | ((a_ff[29:0] == 30'b000000000000000000000000000000) & (adder7_out[36:0] == 37'b0000000000000000000000000000000000000)); + assign quotient_new[2] = ((quotient_raw[7] | quotient_raw[6]) | quotient_raw[5]) | quotient_raw[4]; + assign quotient_new[1] = ((quotient_raw[7] | quotient_raw[6]) | (~quotient_raw[4] & quotient_raw[3])) | (~quotient_raw[3] & quotient_raw[2]); + assign quotient_new[0] = ((quotient_raw[7] | (~quotient_raw[6] & quotient_raw[5])) | (~quotient_raw[4] & quotient_raw[3])) | (~quotient_raw[2] & quotient_raw[1]); + assign twos_comp_b_sel = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign twos_comp_q_sel = ((~valid_ff & ~rem_ff) & (dividend_sign_ff ^ divisor_sign_ff)) & ~by_zero_case_ff; + assign twos_comp_in[31:0] = ({32 {twos_comp_q_sel}} & q_ff[31:0]) | ({32 {twos_comp_b_sel}} & b_ff[31:0]); + rvtwoscomp #(.WIDTH(32)) i_twos_comp( + .din(twos_comp_in[31:0]), + .dout(twos_comp_out[31:0]) + ); + assign valid_out = finish_ff & ~cancel; + assign data_out[31:0] = (({32 {~rem_ff & ~twos_comp_q_sel}} & q_ff[31:0]) | ({32 {rem_ff}} & r_ff[31:0])) | ({32 {twos_comp_q_sel}} & twos_comp_out[31:0]); + assign smallnum_case = ((((((a_ff[31:4] == 28'b0000000000000000000000000000) & (b_ff[31:4] == 28'b0000000000000000000000000000)) & ~by_zero_case) & ~rem_ff) & valid_ff) & ~cancel) | (((((a_ff[31:0] == 32'b00000000000000000000000000000000) & ~by_zero_case) & ~rem_ff) & valid_ff) & ~cancel); + assign smallnum[3] = ((a_ff[3] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1]; + assign smallnum[2] = ((((a_ff[3] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0]) | (((a_ff[2] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[2]) & ~b_ff[3]) & ~b_ff[2]); + assign smallnum[1] = ((((((((((a_ff[2] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0]) | (((a_ff[1] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & ~b_ff[3]) & ~b_ff[1]) & ~b_ff[0])) | (((((a_ff[3] & ~a_ff[2]) & ~b_ff[3]) & ~b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & ~b_ff[2])) | (((a_ff[3] & a_ff[2]) & ~b_ff[3]) & ~b_ff[0])) | ((((a_ff[3] & a_ff[2]) & ~b_ff[3]) & b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[1]) & ~b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[2]); + assign smallnum[0] = ((((((((((((((((((((((((((((a_ff[2] & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[1]) | (((((a_ff[3] & ~a_ff[2]) & a_ff[0]) & ~b_ff[3]) & b_ff[1]) & b_ff[0])) | (((a_ff[2] & ~b_ff[3]) & ~b_ff[1]) & ~b_ff[0])) | (((a_ff[1] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0])) | (((a_ff[0] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | ((((((~a_ff[3] & a_ff[2]) & ~a_ff[1]) & ~b_ff[3]) & ~b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & ~b_ff[0])) | (((a_ff[3] & ~b_ff[2]) & ~b_ff[1]) & ~b_ff[0])) | ((((a_ff[3] & ~a_ff[2]) & ~b_ff[3]) & b_ff[2]) & b_ff[1])) | (((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[2]) & ~b_ff[1])) | ((((~a_ff[3] & a_ff[2]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[1])) | (((((a_ff[3] & ~a_ff[2]) & ~a_ff[1]) & ~b_ff[3]) & b_ff[2]) & b_ff[0])) | ((((~a_ff[2] & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[2])) | (((a_ff[3] & a_ff[2]) & ~b_ff[1]) & ~b_ff[0])) | (((a_ff[3] & a_ff[1]) & ~b_ff[2]) & ~b_ff[0])) | (((((~a_ff[3] & a_ff[2]) & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & b_ff[2])) | (((a_ff[3] & a_ff[2]) & b_ff[3]) & ~b_ff[2])) | ((((a_ff[3] & a_ff[1]) & b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[0]) & ~b_ff[2]) & ~b_ff[1])) | (((((a_ff[3] & ~a_ff[1]) & ~b_ff[3]) & b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & b_ff[3]) & ~b_ff[0])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & a_ff[2]) & a_ff[0]) & b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & ~a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[1])) | (((a_ff[3] & a_ff[1]) & a_ff[0]) & ~b_ff[2])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & a_ff[0]) & b_ff[3]); + assign shortq_dividend[32:0] = {dividend_sign_ff, a_ff[31:0]}; + wire [5:0] dw_a_enc; + wire [5:0] dw_b_enc; + wire [6:0] dw_shortq_raw; + eb1_exu_div_cls i_a_cls( + .operand(shortq_dividend[32:0]), + .cls(dw_a_enc[4:0]) + ); + eb1_exu_div_cls i_b_cls( + .operand(b_ff[32:0]), + .cls(dw_b_enc[4:0]) + ); + assign dw_a_enc[5] = 1'b0; + assign dw_b_enc[5] = 1'b0; + assign dw_shortq_raw[6:0] = ({1'b0, dw_b_enc[5:0]} - {1'b0, dw_a_enc[5:0]}) + 7'd1; + assign shortq[5:0] = (dw_shortq_raw[6] ? 6'd0 : dw_shortq_raw[5:0]); + assign shortq_enable = ((valid_ff & ~shortq[5]) & ~(shortq[4:2] == 3'b111)) & ~cancel; + assign shortq_decode[4:0] = ((((((((((((((((((((((((((((((({5 {shortq[4:0] == 5'd31}} & 5'd0) | ({5 {shortq[4:0] == 5'd30}} & 5'd0)) | ({5 {shortq[4:0] == 5'd29}} & 5'd0)) | ({5 {shortq[4:0] == 5'd28}} & 5'd0)) | ({5 {shortq[4:0] == 5'd27}} & 5'd3)) | ({5 {shortq[4:0] == 5'd26}} & 5'd6)) | ({5 {shortq[4:0] == 5'd25}} & 5'd6)) | ({5 {shortq[4:0] == 5'd24}} & 5'd6)) | ({5 {shortq[4:0] == 5'd23}} & 5'd9)) | ({5 {shortq[4:0] == 5'd22}} & 5'd9)) | ({5 {shortq[4:0] == 5'd21}} & 5'd9)) | ({5 {shortq[4:0] == 5'd20}} & 5'd12)) | ({5 {shortq[4:0] == 5'd19}} & 5'd12)) | ({5 {shortq[4:0] == 5'd18}} & 5'd12)) | ({5 {shortq[4:0] == 5'd17}} & 5'd15)) | ({5 {shortq[4:0] == 5'd16}} & 5'd15)) | ({5 {shortq[4:0] == 5'd15}} & 5'd15)) | ({5 {shortq[4:0] == 5'd14}} & 5'd18)) | ({5 {shortq[4:0] == 5'd13}} & 5'd18)) | ({5 {shortq[4:0] == 5'd12}} & 5'd18)) | ({5 {shortq[4:0] == 5'd11}} & 5'd21)) | ({5 {shortq[4:0] == 5'd10}} & 5'd21)) | ({5 {shortq[4:0] == 5'd9}} & 5'd21)) | ({5 {shortq[4:0] == 5'd8}} & 5'd24)) | ({5 {shortq[4:0] == 5'd7}} & 5'd24)) | ({5 {shortq[4:0] == 5'd6}} & 5'd24)) | ({5 {shortq[4:0] == 5'd5}} & 5'd27)) | ({5 {shortq[4:0] == 5'd4}} & 5'd27)) | ({5 {shortq[4:0] == 5'd3}} & 5'd27)) | ({5 {shortq[4:0] == 5'd2}} & 5'd27)) | ({5 {shortq[4:0] == 5'd1}} & 5'd27)) | ({5 {shortq[4:0] == 5'd0}} & 5'd27); + assign shortq_shift[4:0] = (~shortq_enable ? 5'd0 : shortq_decode[4:0]); +endmodule +module eb1_exu_div_new_4bit_fullshortq ( + clk, + rst_l, + scan_mode, + cancel, + valid_in, + signed_in, + rem_in, + dividend_in, + divisor_in, + valid_out, + data_out +); + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire cancel; + input wire valid_in; + input wire signed_in; + input wire rem_in; + input wire [31:0] dividend_in; + input wire [31:0] divisor_in; + output wire valid_out; + output wire [31:0] data_out; + wire valid_ff_in; + wire valid_ff; + wire finish_raw; + wire finish; + wire finish_ff; + wire running_state; + wire misc_enable; + wire [2:0] control_in; + wire [2:0] control_ff; + wire dividend_sign_ff; + wire divisor_sign_ff; + wire rem_ff; + wire count_enable; + wire [6:0] count_in; + wire [6:0] count_ff; + wire smallnum_case; + wire [3:0] smallnum; + wire a_enable; + wire a_shift; + wire [31:0] a_in; + wire [31:0] a_ff; + wire b_enable; + wire b_twos_comp; + wire [32:0] b_in; + wire [37:0] b_ff; + wire [31:0] q_in; + wire [31:0] q_ff; + wire rq_enable; + wire r_sign_sel; + wire r_restore_sel; + wire r_adder01_sel; + wire r_adder02_sel; + wire r_adder03_sel; + wire r_adder04_sel; + wire r_adder05_sel; + wire r_adder06_sel; + wire r_adder07_sel; + wire r_adder08_sel; + wire r_adder09_sel; + wire r_adder10_sel; + wire r_adder11_sel; + wire r_adder12_sel; + wire r_adder13_sel; + wire r_adder14_sel; + wire r_adder15_sel; + wire [32:0] r_in; + wire [32:0] r_ff; + wire twos_comp_q_sel; + wire twos_comp_b_sel; + wire [31:0] twos_comp_in; + wire [31:0] twos_comp_out; + wire [15:1] quotient_raw; + wire [3:0] quotient_new; + wire [34:0] adder01_out; + wire [35:0] adder02_out; + wire [36:0] adder03_out; + wire [37:0] adder04_out; + wire [37:0] adder05_out; + wire [37:0] adder06_out; + wire [37:0] adder07_out; + wire [37:0] adder08_out; + wire [37:0] adder09_out; + wire [37:0] adder10_out; + wire [37:0] adder11_out; + wire [37:0] adder12_out; + wire [37:0] adder13_out; + wire [37:0] adder14_out; + wire [37:0] adder15_out; + wire [64:0] ar_shifted; + wire [5:0] shortq; + wire [4:0] shortq_shift; + wire [4:0] shortq_decode; + wire [4:0] shortq_shift_ff; + wire shortq_enable; + wire shortq_enable_ff; + wire [32:0] shortq_dividend; + wire by_zero_case; + wire by_zero_case_ff; + rvdffe #(.WIDTH(19)) i_misc_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(misc_enable), + .din({valid_ff_in, control_in[2:0], by_zero_case, shortq_enable, shortq_shift[4:0], finish, count_in[6:0]}), + .dout({valid_ff, control_ff[2:0], by_zero_case_ff, shortq_enable_ff, shortq_shift_ff[4:0], finish_ff, count_ff[6:0]}) + ); + rvdffe #(.WIDTH(32)) i_a_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(a_enable), + .din(a_in[31:0]), + .dout(a_ff[31:0]) + ); + rvdffe #(.WIDTH(33)) i_b_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(b_enable), + .din(b_in[32:0]), + .dout(b_ff[32:0]) + ); + rvdffe #(.WIDTH(33)) i_r_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(rq_enable), + .din(r_in[32:0]), + .dout(r_ff[32:0]) + ); + rvdffe #(.WIDTH(32)) i_q_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(rq_enable), + .din(q_in[31:0]), + .dout(q_ff[31:0]) + ); + assign valid_ff_in = valid_in & ~cancel; + assign control_in[2] = (~valid_in & control_ff[2]) | ((valid_in & signed_in) & dividend_in[31]); + assign control_in[1] = (~valid_in & control_ff[1]) | ((valid_in & signed_in) & divisor_in[31]); + assign control_in[0] = (~valid_in & control_ff[0]) | (valid_in & rem_in); + assign dividend_sign_ff = control_ff[2]; + assign divisor_sign_ff = control_ff[1]; + assign rem_ff = control_ff[0]; + assign by_zero_case = valid_ff & (b_ff[31:0] == 32'b00000000000000000000000000000000); + assign misc_enable = (((valid_in | valid_ff) | cancel) | running_state) | finish_ff; + assign running_state = |count_ff[6:0] | shortq_enable_ff; + assign finish_raw = (smallnum_case | by_zero_case) | (count_ff[6:0] == 7'd32); + assign finish = finish_raw & ~cancel; + assign count_enable = ((((valid_ff | running_state) & ~finish) & ~finish_ff) & ~cancel) & ~shortq_enable; + assign count_in[6:0] = {7 {count_enable}} & ((count_ff[6:0] + 7'd4) + {2'b00, shortq_shift_ff[4:0]}); + assign a_enable = valid_in | running_state; + assign a_shift = running_state & ~shortq_enable_ff; + assign ar_shifted[64:0] = {{33 {dividend_sign_ff}}, a_ff[31:0]} << {shortq_shift_ff[4:0]}; + assign a_in[31:0] = (({32 {~a_shift & ~shortq_enable_ff}} & dividend_in[31:0]) | ({32 {a_shift}} & {a_ff[27:0], 4'b0000})) | ({32 {shortq_enable_ff}} & ar_shifted[31:0]); + assign b_enable = valid_in | b_twos_comp; + assign b_twos_comp = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign b_in[32:0] = ({33 {~b_twos_comp}} & {signed_in & divisor_in[31], divisor_in[31:0]}) | ({33 {b_twos_comp}} & {~divisor_sign_ff, twos_comp_out[31:0]}); + assign rq_enable = (valid_in | valid_ff) | running_state; + assign r_sign_sel = (valid_ff & dividend_sign_ff) & ~by_zero_case; + assign r_restore_sel = (running_state & (quotient_new[3:0] == 4'd0)) & ~shortq_enable_ff; + assign r_adder01_sel = (running_state & (quotient_new[3:0] == 4'd1)) & ~shortq_enable_ff; + assign r_adder02_sel = (running_state & (quotient_new[3:0] == 4'd2)) & ~shortq_enable_ff; + assign r_adder03_sel = (running_state & (quotient_new[3:0] == 4'd3)) & ~shortq_enable_ff; + assign r_adder04_sel = (running_state & (quotient_new[3:0] == 4'd4)) & ~shortq_enable_ff; + assign r_adder05_sel = (running_state & (quotient_new[3:0] == 4'd5)) & ~shortq_enable_ff; + assign r_adder06_sel = (running_state & (quotient_new[3:0] == 4'd6)) & ~shortq_enable_ff; + assign r_adder07_sel = (running_state & (quotient_new[3:0] == 4'd7)) & ~shortq_enable_ff; + assign r_adder08_sel = (running_state & (quotient_new[3:0] == 4'd8)) & ~shortq_enable_ff; + assign r_adder09_sel = (running_state & (quotient_new[3:0] == 4'd9)) & ~shortq_enable_ff; + assign r_adder10_sel = (running_state & (quotient_new[3:0] == 4'd10)) & ~shortq_enable_ff; + assign r_adder11_sel = (running_state & (quotient_new[3:0] == 4'd11)) & ~shortq_enable_ff; + assign r_adder12_sel = (running_state & (quotient_new[3:0] == 4'd12)) & ~shortq_enable_ff; + assign r_adder13_sel = (running_state & (quotient_new[3:0] == 4'd13)) & ~shortq_enable_ff; + assign r_adder14_sel = (running_state & (quotient_new[3:0] == 4'd14)) & ~shortq_enable_ff; + assign r_adder15_sel = (running_state & (quotient_new[3:0] == 4'd15)) & ~shortq_enable_ff; + assign r_in[32:0] = (((((((((((((((((({33 {r_sign_sel}} & {33 {1'b1}}) | ({33 {r_restore_sel}} & {r_ff[28:0], a_ff[31:28]})) | ({33 {r_adder01_sel}} & adder01_out[32:0])) | ({33 {r_adder02_sel}} & adder02_out[32:0])) | ({33 {r_adder03_sel}} & adder03_out[32:0])) | ({33 {r_adder04_sel}} & adder04_out[32:0])) | ({33 {r_adder05_sel}} & adder05_out[32:0])) | ({33 {r_adder06_sel}} & adder06_out[32:0])) | ({33 {r_adder07_sel}} & adder07_out[32:0])) | ({33 {r_adder08_sel}} & adder08_out[32:0])) | ({33 {r_adder09_sel}} & adder09_out[32:0])) | ({33 {r_adder10_sel}} & adder10_out[32:0])) | ({33 {r_adder11_sel}} & adder11_out[32:0])) | ({33 {r_adder12_sel}} & adder12_out[32:0])) | ({33 {r_adder13_sel}} & adder13_out[32:0])) | ({33 {r_adder14_sel}} & adder14_out[32:0])) | ({33 {r_adder15_sel}} & adder15_out[32:0])) | ({33 {shortq_enable_ff}} & ar_shifted[64:32])) | ({33 {by_zero_case}} & {1'b0, a_ff[31:0]}); + assign q_in[31:0] = (({32 {~valid_ff}} & {q_ff[27:0], quotient_new[3:0]}) | ({32 {smallnum_case}} & {28'b0000000000000000000000000000, smallnum[3:0]})) | ({32 {by_zero_case}} & {32 {1'b1}}); + assign b_ff[37:33] = {b_ff[32], b_ff[32], b_ff[32], b_ff[32], b_ff[32]}; + assign adder01_out[34:0] = {r_ff[30:0], a_ff[31:28]} + b_ff[34:0]; + assign adder02_out[35:0] = {r_ff[31:0], a_ff[31:28]} + {b_ff[34:0], 1'b0}; + assign adder03_out[36:0] = ({r_ff[32:0], a_ff[31:28]} + {b_ff[35:0], 1'b0}) + b_ff[36:0]; + assign adder04_out[37:0] = {r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[35:0], 2'b00}; + assign adder05_out[37:0] = ({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[35:0], 2'b00}) + b_ff[37:0]; + assign adder06_out[37:0] = ({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[35:0], 2'b00}) + {b_ff[36:0], 1'b0}; + assign adder07_out[37:0] = (({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[35:0], 2'b00}) + {b_ff[36:0], 1'b0}) + b_ff[37:0]; + assign adder08_out[37:0] = {r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[34:0], 3'b000}; + assign adder09_out[37:0] = ({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[34:0], 3'b000}) + b_ff[37:0]; + assign adder10_out[37:0] = ({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[34:0], 3'b000}) + {b_ff[36:0], 1'b0}; + assign adder11_out[37:0] = (({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[34:0], 3'b000}) + {b_ff[36:0], 1'b0}) + b_ff[37:0]; + assign adder12_out[37:0] = ({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[34:0], 3'b000}) + {b_ff[35:0], 2'b00}; + assign adder13_out[37:0] = (({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[34:0], 3'b000}) + {b_ff[35:0], 2'b00}) + b_ff[37:0]; + assign adder14_out[37:0] = (({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[34:0], 3'b000}) + {b_ff[35:0], 2'b00}) + {b_ff[36:0], 1'b0}; + assign adder15_out[37:0] = ((({r_ff[32], r_ff[32:0], a_ff[31:28]} + {b_ff[34:0], 3'b000}) + {b_ff[35:0], 2'b00}) + {b_ff[36:0], 1'b0}) + b_ff[37:0]; + assign quotient_raw[1] = (~adder01_out[34] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder01_out[34:0] == 35'b00000000000000000000000000000000000)); + assign quotient_raw[2] = (~adder02_out[35] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder02_out[35:0] == 36'b000000000000000000000000000000000000)); + assign quotient_raw[3] = (~adder03_out[36] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder03_out[36:0] == 37'b0000000000000000000000000000000000000)); + assign quotient_raw[4] = (~adder04_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder04_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[5] = (~adder05_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder05_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[6] = (~adder06_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder06_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[7] = (~adder07_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder07_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[8] = (~adder08_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder08_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[9] = (~adder09_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder09_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[10] = (~adder10_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder10_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[11] = (~adder11_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder11_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[12] = (~adder12_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder12_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[13] = (~adder13_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder13_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[14] = (~adder14_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder14_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_raw[15] = (~adder15_out[37] ^ dividend_sign_ff) | ((a_ff[27:0] == 28'b0000000000000000000000000000) & (adder15_out[37:0] == 38'b00000000000000000000000000000000000000)); + assign quotient_new[0] = (((((((quotient_raw[15:1] == 15'b000000000000001) | (quotient_raw[15:3] == 13'b0000000000001)) | (quotient_raw[15:5] == 11'b00000000001)) | (quotient_raw[15:7] == 9'b000000001)) | (quotient_raw[15:9] == 7'b0000001)) | (quotient_raw[15:11] == 5'b00001)) | (quotient_raw[15:13] == 3'b001)) | (quotient_raw[15] == 1'b1); + assign quotient_new[1] = (((((((quotient_raw[15:2] == 14'b00000000000001) | (quotient_raw[15:3] == 13'b0000000000001)) | (quotient_raw[15:6] == 10'b0000000001)) | (quotient_raw[15:7] == 9'b000000001)) | (quotient_raw[15:10] == 6'b000001)) | (quotient_raw[15:11] == 5'b00001)) | (quotient_raw[15:14] == 2'b01)) | (quotient_raw[15] == 1'b1); + assign quotient_new[2] = (((((((quotient_raw[15:4] == 12'b000000000001) | (quotient_raw[15:5] == 11'b00000000001)) | (quotient_raw[15:6] == 10'b0000000001)) | (quotient_raw[15:7] == 9'b000000001)) | (quotient_raw[15:12] == 4'b0001)) | (quotient_raw[15:13] == 3'b001)) | (quotient_raw[15:14] == 2'b01)) | (quotient_raw[15] == 1'b1); + assign quotient_new[3] = (((((((quotient_raw[15:8] == 8'b00000001) | (quotient_raw[15:9] == 7'b0000001)) | (quotient_raw[15:10] == 6'b000001)) | (quotient_raw[15:11] == 5'b00001)) | (quotient_raw[15:12] == 4'b0001)) | (quotient_raw[15:13] == 3'b001)) | (quotient_raw[15:14] == 2'b01)) | (quotient_raw[15] == 1'b1); + assign twos_comp_b_sel = valid_ff & ~(dividend_sign_ff ^ divisor_sign_ff); + assign twos_comp_q_sel = ((~valid_ff & ~rem_ff) & (dividend_sign_ff ^ divisor_sign_ff)) & ~by_zero_case_ff; + assign twos_comp_in[31:0] = ({32 {twos_comp_q_sel}} & q_ff[31:0]) | ({32 {twos_comp_b_sel}} & b_ff[31:0]); + rvtwoscomp #(.WIDTH(32)) i_twos_comp( + .din(twos_comp_in[31:0]), + .dout(twos_comp_out[31:0]) + ); + assign valid_out = finish_ff & ~cancel; + assign data_out[31:0] = (({32 {~rem_ff & ~twos_comp_q_sel}} & q_ff[31:0]) | ({32 {rem_ff}} & r_ff[31:0])) | ({32 {twos_comp_q_sel}} & twos_comp_out[31:0]); + assign smallnum_case = ((((((a_ff[31:4] == 28'b0000000000000000000000000000) & (b_ff[31:4] == 28'b0000000000000000000000000000)) & ~by_zero_case) & ~rem_ff) & valid_ff) & ~cancel) | (((((a_ff[31:0] == 32'b00000000000000000000000000000000) & ~by_zero_case) & ~rem_ff) & valid_ff) & ~cancel); + assign smallnum[3] = ((a_ff[3] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1]; + assign smallnum[2] = ((((a_ff[3] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0]) | (((a_ff[2] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[2]) & ~b_ff[3]) & ~b_ff[2]); + assign smallnum[1] = ((((((((((a_ff[2] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0]) | (((a_ff[1] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & ~b_ff[3]) & ~b_ff[1]) & ~b_ff[0])) | (((((a_ff[3] & ~a_ff[2]) & ~b_ff[3]) & ~b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & ~b_ff[2])) | (((a_ff[3] & a_ff[2]) & ~b_ff[3]) & ~b_ff[0])) | ((((a_ff[3] & a_ff[2]) & ~b_ff[3]) & b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[1]) & ~b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[2]); + assign smallnum[0] = ((((((((((((((((((((((((((((a_ff[2] & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[1]) | (((((a_ff[3] & ~a_ff[2]) & a_ff[0]) & ~b_ff[3]) & b_ff[1]) & b_ff[0])) | (((a_ff[2] & ~b_ff[3]) & ~b_ff[1]) & ~b_ff[0])) | (((a_ff[1] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[0])) | (((a_ff[0] & ~b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | ((((((~a_ff[3] & a_ff[2]) & ~a_ff[1]) & ~b_ff[3]) & ~b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & ~b_ff[0])) | (((a_ff[3] & ~b_ff[2]) & ~b_ff[1]) & ~b_ff[0])) | ((((a_ff[3] & ~a_ff[2]) & ~b_ff[3]) & b_ff[2]) & b_ff[1])) | (((((~a_ff[3] & a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[2]) & ~b_ff[1])) | ((((~a_ff[3] & a_ff[2]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[1])) | (((((a_ff[3] & ~a_ff[2]) & ~a_ff[1]) & ~b_ff[3]) & b_ff[2]) & b_ff[0])) | ((((~a_ff[2] & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & ~b_ff[2])) | (((a_ff[3] & a_ff[2]) & ~b_ff[1]) & ~b_ff[0])) | (((a_ff[3] & a_ff[1]) & ~b_ff[2]) & ~b_ff[0])) | (((((~a_ff[3] & a_ff[2]) & a_ff[1]) & a_ff[0]) & ~b_ff[3]) & b_ff[2])) | (((a_ff[3] & a_ff[2]) & b_ff[3]) & ~b_ff[2])) | ((((a_ff[3] & a_ff[1]) & b_ff[3]) & ~b_ff[2]) & ~b_ff[1])) | (((a_ff[3] & a_ff[0]) & ~b_ff[2]) & ~b_ff[1])) | (((((a_ff[3] & ~a_ff[1]) & ~b_ff[3]) & b_ff[2]) & b_ff[1]) & b_ff[0])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & b_ff[3]) & ~b_ff[0])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & a_ff[2]) & a_ff[0]) & b_ff[3]) & ~b_ff[1])) | ((((a_ff[3] & ~a_ff[2]) & a_ff[1]) & ~b_ff[3]) & b_ff[1])) | (((a_ff[3] & a_ff[1]) & a_ff[0]) & ~b_ff[2])) | ((((a_ff[3] & a_ff[2]) & a_ff[1]) & a_ff[0]) & b_ff[3]); + assign shortq_dividend[32:0] = {dividend_sign_ff, a_ff[31:0]}; + wire [5:0] dw_a_enc; + wire [5:0] dw_b_enc; + wire [6:0] dw_shortq_raw; + eb1_exu_div_cls i_a_cls( + .operand(shortq_dividend[32:0]), + .cls(dw_a_enc[4:0]) + ); + eb1_exu_div_cls i_b_cls( + .operand(b_ff[32:0]), + .cls(dw_b_enc[4:0]) + ); + assign dw_a_enc[5] = 1'b0; + assign dw_b_enc[5] = 1'b0; + assign dw_shortq_raw[6:0] = ({1'b0, dw_b_enc[5:0]} - {1'b0, dw_a_enc[5:0]}) + 7'd1; + assign shortq[5:0] = (dw_shortq_raw[6] ? 6'd0 : dw_shortq_raw[5:0]); + assign shortq_enable = ((valid_ff & ~shortq[5]) & ~(shortq[4:2] == 3'b111)) & ~cancel; + assign shortq_decode[4:0] = ((((((((((((((((((((((((((((((({5 {shortq[4:0] == 5'd31}} & 5'd0) | ({5 {shortq[4:0] == 5'd30}} & 5'd0)) | ({5 {shortq[4:0] == 5'd29}} & 5'd0)) | ({5 {shortq[4:0] == 5'd28}} & 5'd0)) | ({5 {shortq[4:0] == 5'd27}} & 5'd4)) | ({5 {shortq[4:0] == 5'd26}} & 5'd4)) | ({5 {shortq[4:0] == 5'd25}} & 5'd4)) | ({5 {shortq[4:0] == 5'd24}} & 5'd4)) | ({5 {shortq[4:0] == 5'd23}} & 5'd8)) | ({5 {shortq[4:0] == 5'd22}} & 5'd8)) | ({5 {shortq[4:0] == 5'd21}} & 5'd8)) | ({5 {shortq[4:0] == 5'd20}} & 5'd8)) | ({5 {shortq[4:0] == 5'd19}} & 5'd12)) | ({5 {shortq[4:0] == 5'd18}} & 5'd12)) | ({5 {shortq[4:0] == 5'd17}} & 5'd12)) | ({5 {shortq[4:0] == 5'd16}} & 5'd12)) | ({5 {shortq[4:0] == 5'd15}} & 5'd16)) | ({5 {shortq[4:0] == 5'd14}} & 5'd16)) | ({5 {shortq[4:0] == 5'd13}} & 5'd16)) | ({5 {shortq[4:0] == 5'd12}} & 5'd16)) | ({5 {shortq[4:0] == 5'd11}} & 5'd20)) | ({5 {shortq[4:0] == 5'd10}} & 5'd20)) | ({5 {shortq[4:0] == 5'd9}} & 5'd20)) | ({5 {shortq[4:0] == 5'd8}} & 5'd20)) | ({5 {shortq[4:0] == 5'd7}} & 5'd24)) | ({5 {shortq[4:0] == 5'd6}} & 5'd24)) | ({5 {shortq[4:0] == 5'd5}} & 5'd24)) | ({5 {shortq[4:0] == 5'd4}} & 5'd24)) | ({5 {shortq[4:0] == 5'd3}} & 5'd28)) | ({5 {shortq[4:0] == 5'd2}} & 5'd28)) | ({5 {shortq[4:0] == 5'd1}} & 5'd28)) | ({5 {shortq[4:0] == 5'd0}} & 5'd28); + assign shortq_shift[4:0] = (~shortq_enable ? 5'd0 : shortq_decode[4:0]); +endmodule +module eb1_exu_div_cls ( + operand, + cls +); + input wire [32:0] operand; + output wire [4:0] cls; + wire [4:0] cls_zeros; + wire [4:0] cls_ones; + assign cls_zeros[4:0] = (((((((((((((((((((((((((((((((({5 {operand[31] == 1'b1}} & 5'd0) | ({5 {operand[31:30] == 2'b01}} & 5'd1)) | ({5 {operand[31:29] == {{2 {1'b0}}, 1'b1}}} & 5'd2)) | ({5 {operand[31:28] == {{3 {1'b0}}, 1'b1}}} & 5'd3)) | ({5 {operand[31:27] == {{4 {1'b0}}, 1'b1}}} & 5'd4)) | ({5 {operand[31:26] == {{5 {1'b0}}, 1'b1}}} & 5'd5)) | ({5 {operand[31:25] == {{6 {1'b0}}, 1'b1}}} & 5'd6)) | ({5 {operand[31:24] == {{7 {1'b0}}, 1'b1}}} & 5'd7)) | ({5 {operand[31:23] == {{8 {1'b0}}, 1'b1}}} & 5'd8)) | ({5 {operand[31:22] == {{9 {1'b0}}, 1'b1}}} & 5'd9)) | ({5 {operand[31:21] == {{10 {1'b0}}, 1'b1}}} & 5'd10)) | ({5 {operand[31:20] == {{11 {1'b0}}, 1'b1}}} & 5'd11)) | ({5 {operand[31:19] == {{12 {1'b0}}, 1'b1}}} & 5'd12)) | ({5 {operand[31:18] == {{13 {1'b0}}, 1'b1}}} & 5'd13)) | ({5 {operand[31:17] == {{14 {1'b0}}, 1'b1}}} & 5'd14)) | ({5 {operand[31:16] == {{15 {1'b0}}, 1'b1}}} & 5'd15)) | ({5 {operand[31:15] == {{16 {1'b0}}, 1'b1}}} & 5'd16)) | ({5 {operand[31:14] == {{17 {1'b0}}, 1'b1}}} & 5'd17)) | ({5 {operand[31:13] == {{18 {1'b0}}, 1'b1}}} & 5'd18)) | ({5 {operand[31:12] == {{19 {1'b0}}, 1'b1}}} & 5'd19)) | ({5 {operand[31:11] == {{20 {1'b0}}, 1'b1}}} & 5'd20)) | ({5 {operand[31:10] == {{21 {1'b0}}, 1'b1}}} & 5'd21)) | ({5 {operand[31:9] == {{22 {1'b0}}, 1'b1}}} & 5'd22)) | ({5 {operand[31:8] == {{23 {1'b0}}, 1'b1}}} & 5'd23)) | ({5 {operand[31:7] == {{24 {1'b0}}, 1'b1}}} & 5'd24)) | ({5 {operand[31:6] == {{25 {1'b0}}, 1'b1}}} & 5'd25)) | ({5 {operand[31:5] == {{26 {1'b0}}, 1'b1}}} & 5'd26)) | ({5 {operand[31:4] == {{27 {1'b0}}, 1'b1}}} & 5'd27)) | ({5 {operand[31:3] == {{28 {1'b0}}, 1'b1}}} & 5'd28)) | ({5 {operand[31:2] == {{29 {1'b0}}, 1'b1}}} & 5'd29)) | ({5 {operand[31:1] == {{30 {1'b0}}, 1'b1}}} & 5'd30)) | ({5 {operand[31:0] == {{31 {1'b0}}, 1'b1}}} & 5'd31)) | ({5 {operand[31:0] == {32 {1'b0}}}} & 5'd0); + assign cls_ones[4:0] = ((((((((((((((((((((((((((((((({5 {operand[31:30] == 2'b10}} & 5'd0) | ({5 {operand[31:29] == {{2 {1'b1}}, 1'b0}}} & 5'd1)) | ({5 {operand[31:28] == {{3 {1'b1}}, 1'b0}}} & 5'd2)) | ({5 {operand[31:27] == {{4 {1'b1}}, 1'b0}}} & 5'd3)) | ({5 {operand[31:26] == {{5 {1'b1}}, 1'b0}}} & 5'd4)) | ({5 {operand[31:25] == {{6 {1'b1}}, 1'b0}}} & 5'd5)) | ({5 {operand[31:24] == {{7 {1'b1}}, 1'b0}}} & 5'd6)) | ({5 {operand[31:23] == {{8 {1'b1}}, 1'b0}}} & 5'd7)) | ({5 {operand[31:22] == {{9 {1'b1}}, 1'b0}}} & 5'd8)) | ({5 {operand[31:21] == {{10 {1'b1}}, 1'b0}}} & 5'd9)) | ({5 {operand[31:20] == {{11 {1'b1}}, 1'b0}}} & 5'd10)) | ({5 {operand[31:19] == {{12 {1'b1}}, 1'b0}}} & 5'd11)) | ({5 {operand[31:18] == {{13 {1'b1}}, 1'b0}}} & 5'd12)) | ({5 {operand[31:17] == {{14 {1'b1}}, 1'b0}}} & 5'd13)) | ({5 {operand[31:16] == {{15 {1'b1}}, 1'b0}}} & 5'd14)) | ({5 {operand[31:15] == {{16 {1'b1}}, 1'b0}}} & 5'd15)) | ({5 {operand[31:14] == {{17 {1'b1}}, 1'b0}}} & 5'd16)) | ({5 {operand[31:13] == {{18 {1'b1}}, 1'b0}}} & 5'd17)) | ({5 {operand[31:12] == {{19 {1'b1}}, 1'b0}}} & 5'd18)) | ({5 {operand[31:11] == {{20 {1'b1}}, 1'b0}}} & 5'd19)) | ({5 {operand[31:10] == {{21 {1'b1}}, 1'b0}}} & 5'd20)) | ({5 {operand[31:9] == {{22 {1'b1}}, 1'b0}}} & 5'd21)) | ({5 {operand[31:8] == {{23 {1'b1}}, 1'b0}}} & 5'd22)) | ({5 {operand[31:7] == {{24 {1'b1}}, 1'b0}}} & 5'd23)) | ({5 {operand[31:6] == {{25 {1'b1}}, 1'b0}}} & 5'd24)) | ({5 {operand[31:5] == {{26 {1'b1}}, 1'b0}}} & 5'd25)) | ({5 {operand[31:4] == {{27 {1'b1}}, 1'b0}}} & 5'd26)) | ({5 {operand[31:3] == {{28 {1'b1}}, 1'b0}}} & 5'd27)) | ({5 {operand[31:2] == {{29 {1'b1}}, 1'b0}}} & 5'd28)) | ({5 {operand[31:1] == {{30 {1'b1}}, 1'b0}}} & 5'd29)) | ({5 {operand[31:0] == {{31 {1'b1}}, 1'b0}}} & 5'd30)) | ({5 {operand[31:0] == {32 {1'b1}}}} & 5'd31); + assign cls[4:0] = (operand[32] ? cls_ones[4:0] : cls_zeros[4:0]); +endmodule +module eb1_exu_mul_ctl ( + clk, + rst_l, + scan_mode, + mul_p, + rs1_in, + rs2_in, + result_x +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire [19:0] mul_p; + input wire [31:0] rs1_in; + input wire [31:0] rs2_in; + output wire [31:0] result_x; + wire mul_x_enable; + wire bit_x_enable; + wire signed [32:0] rs1_ext_in; + wire signed [32:0] rs2_ext_in; + wire [65:0] prod_x; + wire low_x; + wire bitmanip_sel_d; + wire bitmanip_sel_x; + wire [31:0] bitmanip_d; + wire [31:0] bitmanip_x; + wire ap_bext; + wire ap_bdep; + wire ap_clmul; + wire ap_clmulh; + wire ap_clmulr; + wire ap_grev; + wire ap_gorc; + wire ap_shfl; + wire ap_unshfl; + wire ap_crc32_b; + wire ap_crc32_h; + wire ap_crc32_w; + wire ap_crc32c_b; + wire ap_crc32c_h; + wire ap_crc32c_w; + wire ap_bfp; + generate + if (pt[2197-:5] == 1) begin + assign ap_bext = mul_p[15]; + assign ap_bdep = mul_p[14]; + end + else begin + assign ap_bext = 1'b0; + assign ap_bdep = 1'b0; + end + endgenerate + generate + if (pt[2202-:5] == 1) begin + assign ap_clmul = mul_p[13]; + assign ap_clmulh = mul_p[12]; + assign ap_clmulr = mul_p[11]; + end + else begin + assign ap_clmul = 1'b0; + assign ap_clmulh = 1'b0; + assign ap_clmulr = 1'b0; + end + endgenerate + generate + if (pt[2187-:5] == 1) begin + assign ap_grev = mul_p[10]; + assign ap_gorc = mul_p[9]; + assign ap_shfl = mul_p[8]; + assign ap_unshfl = mul_p[7]; + end + else begin + assign ap_grev = 1'b0; + assign ap_gorc = 1'b0; + assign ap_shfl = 1'b0; + assign ap_unshfl = 1'b0; + end + endgenerate + generate + if (pt[2182-:5] == 1) begin + assign ap_crc32_b = mul_p[6]; + assign ap_crc32_h = mul_p[5]; + assign ap_crc32_w = mul_p[4]; + assign ap_crc32c_b = mul_p[3]; + assign ap_crc32c_h = mul_p[2]; + assign ap_crc32c_w = mul_p[1]; + end + else begin + assign ap_crc32_b = 1'b0; + assign ap_crc32_h = 1'b0; + assign ap_crc32_w = 1'b0; + assign ap_crc32c_b = 1'b0; + assign ap_crc32c_h = 1'b0; + assign ap_crc32c_w = 1'b0; + end + endgenerate + generate + if (pt[2192-:5] == 1) begin + assign ap_bfp = mul_p[0]; + end + else assign ap_bfp = 1'b0; + endgenerate + assign mul_x_enable = mul_p[19]; + assign bit_x_enable = mul_p[19]; + assign rs1_ext_in[32] = mul_p[18] & rs1_in[31]; + assign rs2_ext_in[32] = mul_p[17] & rs2_in[31]; + assign rs1_ext_in[31:0] = rs1_in[31:0]; + assign rs2_ext_in[31:0] = rs2_in[31:0]; + wire signed [32:0] rs1_x; + wire signed [32:0] rs2_x; + rvdffe #(.WIDTH(34)) i_a_x_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .din({mul_p[16], rs1_ext_in[32:0]}), + .dout({low_x, rs1_x[32:0]}), + .en(mul_x_enable) + ); + rvdffe #(.WIDTH(33)) i_b_x_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .din(rs2_ext_in[32:0]), + .dout(rs2_x[32:0]), + .en(mul_x_enable) + ); + assign prod_x[65:0] = rs1_x * rs2_x; + reg [31:0] bext_d; + reg bext_test_bit_d; + integer bext_i; + integer bext_j; + always @(*) begin + bext_j = 0; + bext_test_bit_d = 1'b0; + bext_d[31:0] = 32'b00000000000000000000000000000000; + for (bext_i = 0; bext_i < 32; bext_i = bext_i + 1) + begin + bext_test_bit_d = rs2_in[bext_i]; + if (bext_test_bit_d) begin + bext_d[bext_j] = rs1_in[bext_i]; + bext_j = bext_j + 1; + end + end + end + reg [31:0] bdep_d; + reg bdep_test_bit_d; + integer bdep_i; + integer bdep_j; + always @(*) begin + bdep_j = 0; + bdep_test_bit_d = 1'b0; + bdep_d[31:0] = 32'b00000000000000000000000000000000; + for (bdep_i = 0; bdep_i < 32; bdep_i = bdep_i + 1) + begin + bdep_test_bit_d = rs2_in[bdep_i]; + if (bdep_test_bit_d) begin + bdep_d[bdep_i] = rs1_in[bdep_j]; + bdep_j = bdep_j + 1; + end + end + end + wire [62:0] clmul_raw_d; + assign clmul_raw_d[62:0] = ((((((((((((((((((((((((((((((({63 {rs2_in[0]}} & {31'b0000000000000000000000000000000, rs1_in[31:0]}) ^ ({63 {rs2_in[1]}} & {30'b000000000000000000000000000000, rs1_in[31:0], 1'b0})) ^ ({63 {rs2_in[2]}} & {29'b00000000000000000000000000000, rs1_in[31:0], 2'b00})) ^ ({63 {rs2_in[3]}} & {28'b0000000000000000000000000000, rs1_in[31:0], 3'b000})) ^ ({63 {rs2_in[4]}} & {27'b000000000000000000000000000, rs1_in[31:0], 4'b0000})) ^ ({63 {rs2_in[5]}} & {26'b00000000000000000000000000, rs1_in[31:0], 5'b00000})) ^ ({63 {rs2_in[6]}} & {25'b0000000000000000000000000, rs1_in[31:0], 6'b000000})) ^ ({63 {rs2_in[7]}} & {24'b000000000000000000000000, rs1_in[31:0], 7'b0000000})) ^ ({63 {rs2_in[8]}} & {23'b00000000000000000000000, rs1_in[31:0], 8'b00000000})) ^ ({63 {rs2_in[9]}} & {22'b0000000000000000000000, rs1_in[31:0], 9'b000000000})) ^ ({63 {rs2_in[10]}} & {21'b000000000000000000000, rs1_in[31:0], 10'b0000000000})) ^ ({63 {rs2_in[11]}} & {20'b00000000000000000000, rs1_in[31:0], 11'b00000000000})) ^ ({63 {rs2_in[12]}} & {19'b0000000000000000000, rs1_in[31:0], 12'b000000000000})) ^ ({63 {rs2_in[13]}} & {18'b000000000000000000, rs1_in[31:0], 13'b0000000000000})) ^ ({63 {rs2_in[14]}} & {17'b00000000000000000, rs1_in[31:0], 14'b00000000000000})) ^ ({63 {rs2_in[15]}} & {16'b0000000000000000, rs1_in[31:0], 15'b000000000000000})) ^ ({63 {rs2_in[16]}} & {15'b000000000000000, rs1_in[31:0], 16'b0000000000000000})) ^ ({63 {rs2_in[17]}} & {14'b00000000000000, rs1_in[31:0], 17'b00000000000000000})) ^ ({63 {rs2_in[18]}} & {13'b0000000000000, rs1_in[31:0], 18'b000000000000000000})) ^ ({63 {rs2_in[19]}} & {12'b000000000000, rs1_in[31:0], 19'b0000000000000000000})) ^ ({63 {rs2_in[20]}} & {11'b00000000000, rs1_in[31:0], 20'b00000000000000000000})) ^ ({63 {rs2_in[21]}} & {10'b0000000000, rs1_in[31:0], 21'b000000000000000000000})) ^ ({63 {rs2_in[22]}} & {9'b000000000, rs1_in[31:0], 22'b0000000000000000000000})) ^ ({63 {rs2_in[23]}} & {8'b00000000, rs1_in[31:0], 23'b00000000000000000000000})) ^ ({63 {rs2_in[24]}} & {7'b0000000, rs1_in[31:0], 24'b000000000000000000000000})) ^ ({63 {rs2_in[25]}} & {6'b000000, rs1_in[31:0], 25'b0000000000000000000000000})) ^ ({63 {rs2_in[26]}} & {5'b00000, rs1_in[31:0], 26'b00000000000000000000000000})) ^ ({63 {rs2_in[27]}} & {4'b0000, rs1_in[31:0], 27'b000000000000000000000000000})) ^ ({63 {rs2_in[28]}} & {3'b000, rs1_in[31:0], 28'b0000000000000000000000000000})) ^ ({63 {rs2_in[29]}} & {2'b00, rs1_in[31:0], 29'b00000000000000000000000000000})) ^ ({63 {rs2_in[30]}} & {1'b0, rs1_in[31:0], 30'b000000000000000000000000000000})) ^ ({63 {rs2_in[31]}} & {rs1_in[31:0], 31'b0000000000000000000000000000000}); + wire [31:0] grev1_d; + wire [31:0] grev2_d; + wire [31:0] grev4_d; + wire [31:0] grev8_d; + wire [31:0] grev_d; + assign grev1_d[31:0] = (rs2_in[0] ? {rs1_in[30], rs1_in[31], rs1_in[28], rs1_in[29], rs1_in[26], rs1_in[27], rs1_in[24], rs1_in[25], rs1_in[22], rs1_in[23], rs1_in[20], rs1_in[21], rs1_in[18], rs1_in[19], rs1_in[16], rs1_in[17], rs1_in[14], rs1_in[15], rs1_in[12], rs1_in[13], rs1_in[10], rs1_in[11], rs1_in[8], rs1_in[9], rs1_in[6], rs1_in[7], rs1_in[4], rs1_in[5], rs1_in[2], rs1_in[3], rs1_in[0], rs1_in[1]} : rs1_in[31:0]); + assign grev2_d[31:0] = (rs2_in[1] ? {grev1_d[29:28], grev1_d[31:30], grev1_d[25:24], grev1_d[27:26], grev1_d[21:20], grev1_d[23:22], grev1_d[17:16], grev1_d[19:18], grev1_d[13:12], grev1_d[15:14], grev1_d[9:8], grev1_d[11:10], grev1_d[5:4], grev1_d[7:6], grev1_d[1:0], grev1_d[3:2]} : grev1_d[31:0]); + assign grev4_d[31:0] = (rs2_in[2] ? {grev2_d[27:24], grev2_d[31:28], grev2_d[19:16], grev2_d[23:20], grev2_d[11:8], grev2_d[15:12], grev2_d[3:0], grev2_d[7:4]} : grev2_d[31:0]); + assign grev8_d[31:0] = (rs2_in[3] ? {grev4_d[23:16], grev4_d[31:24], grev4_d[7:0], grev4_d[15:8]} : grev4_d[31:0]); + assign grev_d[31:0] = (rs2_in[4] ? {grev8_d[15:0], grev8_d[31:16]} : grev8_d[31:0]); + wire [31:0] gorc1_d; + wire [31:0] gorc2_d; + wire [31:0] gorc4_d; + wire [31:0] gorc8_d; + wire [31:0] gorc_d; + assign gorc1_d[31:0] = ({32 {rs2_in[0]}} & {rs1_in[30], rs1_in[31], rs1_in[28], rs1_in[29], rs1_in[26], rs1_in[27], rs1_in[24], rs1_in[25], rs1_in[22], rs1_in[23], rs1_in[20], rs1_in[21], rs1_in[18], rs1_in[19], rs1_in[16], rs1_in[17], rs1_in[14], rs1_in[15], rs1_in[12], rs1_in[13], rs1_in[10], rs1_in[11], rs1_in[8], rs1_in[9], rs1_in[6], rs1_in[7], rs1_in[4], rs1_in[5], rs1_in[2], rs1_in[3], rs1_in[0], rs1_in[1]}) | rs1_in[31:0]; + assign gorc2_d[31:0] = ({32 {rs2_in[1]}} & {gorc1_d[29:28], gorc1_d[31:30], gorc1_d[25:24], gorc1_d[27:26], gorc1_d[21:20], gorc1_d[23:22], gorc1_d[17:16], gorc1_d[19:18], gorc1_d[13:12], gorc1_d[15:14], gorc1_d[9:8], gorc1_d[11:10], gorc1_d[5:4], gorc1_d[7:6], gorc1_d[1:0], gorc1_d[3:2]}) | gorc1_d[31:0]; + assign gorc4_d[31:0] = ({32 {rs2_in[2]}} & {gorc2_d[27:24], gorc2_d[31:28], gorc2_d[19:16], gorc2_d[23:20], gorc2_d[11:8], gorc2_d[15:12], gorc2_d[3:0], gorc2_d[7:4]}) | gorc2_d[31:0]; + assign gorc8_d[31:0] = ({32 {rs2_in[3]}} & {gorc4_d[23:16], gorc4_d[31:24], gorc4_d[7:0], gorc4_d[15:8]}) | gorc4_d[31:0]; + assign gorc_d[31:0] = ({32 {rs2_in[4]}} & {gorc8_d[15:0], gorc8_d[31:16]}) | gorc8_d[31:0]; + wire [31:0] shfl8_d; + wire [31:0] shfl4_d; + wire [31:0] shfl2_d; + wire [31:0] shfl_d; + assign shfl8_d[31:0] = (rs2_in[3] ? {rs1_in[31:24], rs1_in[15:8], rs1_in[23:16], rs1_in[7:0]} : rs1_in[31:0]); + assign shfl4_d[31:0] = (rs2_in[2] ? {shfl8_d[31:28], shfl8_d[23:20], shfl8_d[27:24], shfl8_d[19:16], shfl8_d[15:12], shfl8_d[7:4], shfl8_d[11:8], shfl8_d[3:0]} : shfl8_d[31:0]); + assign shfl2_d[31:0] = (rs2_in[1] ? {shfl4_d[31:30], shfl4_d[27:26], shfl4_d[29:28], shfl4_d[25:24], shfl4_d[23:22], shfl4_d[19:18], shfl4_d[21:20], shfl4_d[17:16], shfl4_d[15:14], shfl4_d[11:10], shfl4_d[13:12], shfl4_d[9:8], shfl4_d[7:6], shfl4_d[3:2], shfl4_d[5:4], shfl4_d[1:0]} : shfl4_d[31:0]); + assign shfl_d[31:0] = (rs2_in[0] ? {shfl2_d[31], shfl2_d[29], shfl2_d[30], shfl2_d[28], shfl2_d[27], shfl2_d[25], shfl2_d[26], shfl2_d[24], shfl2_d[23], shfl2_d[21], shfl2_d[22], shfl2_d[20], shfl2_d[19], shfl2_d[17], shfl2_d[18], shfl2_d[16], shfl2_d[15], shfl2_d[13], shfl2_d[14], shfl2_d[12], shfl2_d[11], shfl2_d[9], shfl2_d[10], shfl2_d[8], shfl2_d[7], shfl2_d[5], shfl2_d[6], shfl2_d[4], shfl2_d[3], shfl2_d[1], shfl2_d[2], shfl2_d[0]} : shfl2_d[31:0]); + wire [31:0] unshfl1_d; + wire [31:0] unshfl2_d; + wire [31:0] unshfl4_d; + wire [31:0] unshfl_d; + assign unshfl1_d[31:0] = (rs2_in[0] ? {rs1_in[31], rs1_in[29], rs1_in[30], rs1_in[28], rs1_in[27], rs1_in[25], rs1_in[26], rs1_in[24], rs1_in[23], rs1_in[21], rs1_in[22], rs1_in[20], rs1_in[19], rs1_in[17], rs1_in[18], rs1_in[16], rs1_in[15], rs1_in[13], rs1_in[14], rs1_in[12], rs1_in[11], rs1_in[9], rs1_in[10], rs1_in[8], rs1_in[7], rs1_in[5], rs1_in[6], rs1_in[4], rs1_in[3], rs1_in[1], rs1_in[2], rs1_in[0]} : rs1_in[31:0]); + assign unshfl2_d[31:0] = (rs2_in[1] ? {unshfl1_d[31:30], unshfl1_d[27:26], unshfl1_d[29:28], unshfl1_d[25:24], unshfl1_d[23:22], unshfl1_d[19:18], unshfl1_d[21:20], unshfl1_d[17:16], unshfl1_d[15:14], unshfl1_d[11:10], unshfl1_d[13:12], unshfl1_d[9:8], unshfl1_d[7:6], unshfl1_d[3:2], unshfl1_d[5:4], unshfl1_d[1:0]} : unshfl1_d[31:0]); + assign unshfl4_d[31:0] = (rs2_in[2] ? {unshfl2_d[31:28], unshfl2_d[23:20], unshfl2_d[27:24], unshfl2_d[19:16], unshfl2_d[15:12], unshfl2_d[7:4], unshfl2_d[11:8], unshfl2_d[3:0]} : unshfl2_d[31:0]); + assign unshfl_d[31:0] = (rs2_in[3] ? {unshfl4_d[31:24], unshfl4_d[15:8], unshfl4_d[23:16], unshfl4_d[7:0]} : unshfl4_d[31:0]); + wire crc32_all; + wire [31:0] crc32_poly_rev; + wire [31:0] crc32c_poly_rev; + integer crc32_bi; + integer crc32_hi; + integer crc32_wi; + integer crc32c_bi; + integer crc32c_hi; + integer crc32c_wi; + reg [31:0] crc32_bd; + reg [31:0] crc32_hd; + reg [31:0] crc32_wd; + reg [31:0] crc32c_bd; + reg [31:0] crc32c_hd; + reg [31:0] crc32c_wd; + assign crc32_all = ((((ap_crc32_b | ap_crc32_h) | ap_crc32_w) | ap_crc32c_b) | ap_crc32c_h) | ap_crc32c_w; + assign crc32_poly_rev[31:0] = 32'hedb88320; + assign crc32c_poly_rev[31:0] = 32'h82f63b78; + always @(*) begin + crc32_bd[31:0] = rs1_in[31:0]; + for (crc32_bi = 0; crc32_bi < 8; crc32_bi = crc32_bi + 1) + crc32_bd[31:0] = (crc32_bd[31:0] >> 1) ^ (crc32_poly_rev[31:0] & {32 {crc32_bd[0]}}); + end + always @(*) begin + crc32_hd[31:0] = rs1_in[31:0]; + for (crc32_hi = 0; crc32_hi < 16; crc32_hi = crc32_hi + 1) + crc32_hd[31:0] = (crc32_hd[31:0] >> 1) ^ (crc32_poly_rev[31:0] & {32 {crc32_hd[0]}}); + end + always @(*) begin + crc32_wd[31:0] = rs1_in[31:0]; + for (crc32_wi = 0; crc32_wi < 32; crc32_wi = crc32_wi + 1) + crc32_wd[31:0] = (crc32_wd[31:0] >> 1) ^ (crc32_poly_rev[31:0] & {32 {crc32_wd[0]}}); + end + always @(*) begin + crc32c_bd[31:0] = rs1_in[31:0]; + for (crc32c_bi = 0; crc32c_bi < 8; crc32c_bi = crc32c_bi + 1) + crc32c_bd[31:0] = (crc32c_bd[31:0] >> 1) ^ (crc32c_poly_rev[31:0] & {32 {crc32c_bd[0]}}); + end + always @(*) begin + crc32c_hd[31:0] = rs1_in[31:0]; + for (crc32c_hi = 0; crc32c_hi < 16; crc32c_hi = crc32c_hi + 1) + crc32c_hd[31:0] = (crc32c_hd[31:0] >> 1) ^ (crc32c_poly_rev[31:0] & {32 {crc32c_hd[0]}}); + end + always @(*) begin + crc32c_wd[31:0] = rs1_in[31:0]; + for (crc32c_wi = 0; crc32c_wi < 32; crc32c_wi = crc32c_wi + 1) + crc32c_wd[31:0] = (crc32c_wd[31:0] >> 1) ^ (crc32c_poly_rev[31:0] & {32 {crc32c_wd[0]}}); + end + wire [4:0] bfp_len; + wire [4:0] bfp_off; + wire [31:0] bfp_len_mask_; + wire [15:0] bfp_preshift_data; + wire [63:0] bfp_shift_data; + wire [63:0] bfp_shift_mask; + wire [31:0] bfp_result_d; + assign bfp_len[3:0] = rs2_in[27:24]; + assign bfp_len[4] = bfp_len[3:0] == 4'b0000; + assign bfp_off[4:0] = rs2_in[20:16]; + assign bfp_len_mask_[31:0] = 32'hffffffff << bfp_len[4:0]; + assign bfp_preshift_data[15:0] = rs2_in[15:0] & ~bfp_len_mask_[15:0]; + assign bfp_shift_data[63:0] = {16'b0000000000000000, bfp_preshift_data[15:0], 16'b0000000000000000, bfp_preshift_data[15:0]} << bfp_off[4:0]; + assign bfp_shift_mask[63:0] = {bfp_len_mask_[31:0], bfp_len_mask_[31:0]} << bfp_off[4:0]; + assign bfp_result_d[31:0] = bfp_shift_data[63:32] | (rs1_in[31:0] & bfp_shift_mask[63:32]); + assign bitmanip_sel_d = (((((((((ap_bext | ap_bdep) | ap_clmul) | ap_clmulh) | ap_clmulr) | ap_grev) | ap_gorc) | ap_shfl) | ap_unshfl) | crc32_all) | ap_bfp; + assign bitmanip_d[31:0] = ((((((((((((((({32 {ap_bext}} & bext_d[31:0]) | ({32 {ap_bdep}} & bdep_d[31:0])) | ({32 {ap_clmul}} & clmul_raw_d[31:0])) | ({32 {ap_clmulh}} & {1'b0, clmul_raw_d[62:32]})) | ({32 {ap_clmulr}} & clmul_raw_d[62:31])) | ({32 {ap_grev}} & grev_d[31:0])) | ({32 {ap_gorc}} & gorc_d[31:0])) | ({32 {ap_shfl}} & shfl_d[31:0])) | ({32 {ap_unshfl}} & unshfl_d[31:0])) | ({32 {ap_crc32_b}} & crc32_bd[31:0])) | ({32 {ap_crc32_h}} & crc32_hd[31:0])) | ({32 {ap_crc32_w}} & crc32_wd[31:0])) | ({32 {ap_crc32c_b}} & crc32c_bd[31:0])) | ({32 {ap_crc32c_h}} & crc32c_hd[31:0])) | ({32 {ap_crc32c_w}} & crc32c_wd[31:0])) | ({32 {ap_bfp}} & bfp_result_d[31:0]); + rvdffe #(.WIDTH(33)) i_bitmanip_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .din({bitmanip_sel_d, bitmanip_d[31:0]}), + .dout({bitmanip_sel_x, bitmanip_x[31:0]}), + .en(bit_x_enable) + ); + assign result_x[31:0] = (({32 {~bitmanip_sel_x & ~low_x}} & prod_x[63:32]) | ({32 {~bitmanip_sel_x & low_x}} & prod_x[31:0])) | bitmanip_x[31:0]; +endmodule +module eb1_ifu ( + free_l2clk, + active_clk, + clk, + rst_l, + dec_i0_decode_d, + exu_flush_final, + dec_tlu_i0_commit_cmt, + dec_tlu_flush_err_wb, + dec_tlu_flush_noredir_wb, + exu_flush_path_final, + dec_tlu_mrac_ff, + dec_tlu_fence_i_wb, + dec_tlu_flush_leak_one_wb, + dec_tlu_bpred_disable, + dec_tlu_core_ecc_disable, + dec_tlu_force_halt, + ifu_axi_awvalid, + ifu_axi_awid, + ifu_axi_awaddr, + ifu_axi_awregion, + ifu_axi_awlen, + ifu_axi_awsize, + ifu_axi_awburst, + ifu_axi_awlock, + ifu_axi_awcache, + ifu_axi_awprot, + ifu_axi_awqos, + ifu_axi_wvalid, + ifu_axi_wdata, + ifu_axi_wstrb, + ifu_axi_wlast, + ifu_axi_bready, + ifu_axi_arvalid, + ifu_axi_arready, + ifu_axi_arid, + ifu_axi_araddr, + ifu_axi_arregion, + ifu_axi_arlen, + ifu_axi_arsize, + ifu_axi_arburst, + ifu_axi_arlock, + ifu_axi_arcache, + ifu_axi_arprot, + ifu_axi_arqos, + ifu_axi_rvalid, + ifu_axi_rready, + ifu_axi_rid, + ifu_axi_rdata, + ifu_axi_rresp, + ifu_bus_clk_en, + dma_iccm_req, + dma_mem_addr, + dma_mem_sz, + dma_mem_write, + dma_mem_wdata, + dma_mem_tag, + dma_iccm_stall_any, + iccm_dma_ecc_error, + iccm_dma_rvalid, + iccm_dma_rdata, + iccm_dma_rtag, + iccm_ready, + ifu_pmu_instr_aligned, + ifu_pmu_fetch_stall, + ifu_ic_error_start, + ic_rw_addr, + ic_wr_en, + ic_rd_en, + ic_wr_data, + ic_rd_data, + ic_debug_rd_data, + ictag_debug_rd_data, + ic_debug_wr_data, + ifu_ic_debug_rd_data, + ic_eccerr, + ic_parerr, + ic_premux_data, + ic_sel_premux_data, + ic_debug_addr, + ic_debug_rd_en, + ic_debug_wr_en, + ic_debug_tag_array, + ic_debug_way, + ic_tag_valid, + ic_rd_hit, + ic_tag_perr, + iccm_rw_addr, + iccm_wren, + iccm_rden, + iccm_wr_data, + iccm_wr_size, + iccm_rd_data, + iccm_rd_data_ecc, + ifu_iccm_rd_ecc_single_err, + ifu_pmu_ic_miss, + ifu_pmu_ic_hit, + ifu_pmu_bus_error, + ifu_pmu_bus_busy, + ifu_pmu_bus_trxn, + ifu_i0_icaf, + ifu_i0_icaf_type, + ifu_i0_valid, + ifu_i0_icaf_second, + ifu_i0_dbecc, + iccm_dma_sb_error, + ifu_i0_instr, + ifu_i0_pc, + ifu_i0_pc4, + ifu_miss_state_idle, + i0_brp, + ifu_i0_bp_index, + ifu_i0_bp_fghr, + ifu_i0_bp_btag, + ifu_i0_fa_index, + exu_mp_pkt, + exu_mp_eghr, + exu_mp_fghr, + exu_mp_index, + exu_mp_btag, + dec_tlu_br0_r_pkt, + exu_i0_br_fghr_r, + exu_i0_br_index_r, + dec_fa_error_index, + dec_tlu_flush_lower_wb, + ifu_i0_cinst, + dec_tlu_ic_diag_pkt, + ifu_ic_debug_rd_data_valid, + iccm_buf_correct_ecc, + iccm_correction_state, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire free_l2clk; + input wire active_clk; + input wire clk; + input wire rst_l; + input wire dec_i0_decode_d; + input wire exu_flush_final; + input wire dec_tlu_i0_commit_cmt; + input wire dec_tlu_flush_err_wb; + input wire dec_tlu_flush_noredir_wb; + input wire [31:1] exu_flush_path_final; + input wire [31:0] dec_tlu_mrac_ff; + input wire dec_tlu_fence_i_wb; + input wire dec_tlu_flush_leak_one_wb; + input wire dec_tlu_bpred_disable; + input wire dec_tlu_core_ecc_disable; + input wire dec_tlu_force_halt; + output wire ifu_axi_awvalid; + output wire [pt[826-:8] - 1:0] ifu_axi_awid; + output wire [31:0] ifu_axi_awaddr; + output wire [3:0] ifu_axi_awregion; + output wire [7:0] ifu_axi_awlen; + output wire [2:0] ifu_axi_awsize; + output wire [1:0] ifu_axi_awburst; + output wire ifu_axi_awlock; + output wire [3:0] ifu_axi_awcache; + output wire [2:0] ifu_axi_awprot; + output wire [3:0] ifu_axi_awqos; + output wire ifu_axi_wvalid; + output wire [63:0] ifu_axi_wdata; + output wire [7:0] ifu_axi_wstrb; + output wire ifu_axi_wlast; + output wire ifu_axi_bready; + output wire ifu_axi_arvalid; + input wire ifu_axi_arready; + output wire [pt[826-:8] - 1:0] ifu_axi_arid; + output wire [31:0] ifu_axi_araddr; + output wire [3:0] ifu_axi_arregion; + output wire [7:0] ifu_axi_arlen; + output wire [2:0] ifu_axi_arsize; + output wire [1:0] ifu_axi_arburst; + output wire ifu_axi_arlock; + output wire [3:0] ifu_axi_arcache; + output wire [2:0] ifu_axi_arprot; + output wire [3:0] ifu_axi_arqos; + input wire ifu_axi_rvalid; + output wire ifu_axi_rready; + input wire [pt[826-:8] - 1:0] ifu_axi_rid; + input wire [63:0] ifu_axi_rdata; + input wire [1:0] ifu_axi_rresp; + input wire ifu_bus_clk_en; + input wire dma_iccm_req; + input wire [31:0] dma_mem_addr; + input wire [2:0] dma_mem_sz; + input wire dma_mem_write; + input wire [63:0] dma_mem_wdata; + input wire [2:0] dma_mem_tag; + input wire dma_iccm_stall_any; + output wire iccm_dma_ecc_error; + output wire iccm_dma_rvalid; + output wire [63:0] iccm_dma_rdata; + output wire [2:0] iccm_dma_rtag; + output wire iccm_ready; + output wire ifu_pmu_instr_aligned; + output wire ifu_pmu_fetch_stall; + output wire ifu_ic_error_start; + output wire [31:1] ic_rw_addr; + output wire [pt[1060-:7] - 1:0] ic_wr_en; + output wire ic_rd_en; + output wire [(pt[1189-:7] * 71) - 1:0] ic_wr_data; + input wire [63:0] ic_rd_data; + input wire [70:0] ic_debug_rd_data; + input wire [25:0] ictag_debug_rd_data; + output wire [70:0] ic_debug_wr_data; + output wire [70:0] ifu_ic_debug_rd_data; + input wire [pt[1189-:7] - 1:0] ic_eccerr; + input wire [pt[1189-:7] - 1:0] ic_parerr; + output wire [63:0] ic_premux_data; + output wire ic_sel_premux_data; + output wire [pt[1104-:9]:3] ic_debug_addr; + output wire ic_debug_rd_en; + output wire ic_debug_wr_en; + output wire ic_debug_tag_array; + output wire [pt[1060-:7] - 1:0] ic_debug_way; + output wire [pt[1060-:7] - 1:0] ic_tag_valid; + input wire [pt[1060-:7] - 1:0] ic_rd_hit; + input wire ic_tag_perr; + output wire [pt[936-:9] - 1:1] iccm_rw_addr; + output wire iccm_wren; + output wire iccm_rden; + output wire [77:0] iccm_wr_data; + output wire [2:0] iccm_wr_size; + input wire [63:0] iccm_rd_data; + input wire [77:0] iccm_rd_data_ecc; + output wire ifu_iccm_rd_ecc_single_err; + output wire ifu_pmu_ic_miss; + output wire ifu_pmu_ic_hit; + output wire ifu_pmu_bus_error; + output wire ifu_pmu_bus_busy; + output wire ifu_pmu_bus_trxn; + output wire ifu_i0_icaf; + output wire [1:0] ifu_i0_icaf_type; + output wire ifu_i0_valid; + output wire ifu_i0_icaf_second; + output wire ifu_i0_dbecc; + output wire iccm_dma_sb_error; + output wire [31:0] ifu_i0_instr; + output wire [31:1] ifu_i0_pc; + output wire ifu_i0_pc4; + output wire ifu_miss_state_idle; + output wire [50:0] i0_brp; + output wire [pt[2172-:9]:pt[2163-:6]] ifu_i0_bp_index; + output wire [pt[2236-:8] - 1:0] ifu_i0_bp_fghr; + output wire [pt[2139-:9] - 1:0] ifu_i0_bp_btag; + output wire [$clog2(pt[2061-:14]) - 1:0] ifu_i0_fa_index; + input wire [55:0] exu_mp_pkt; + input wire [pt[2236-:8] - 1:0] exu_mp_eghr; + input wire [pt[2236-:8] - 1:0] exu_mp_fghr; + input wire [pt[2172-:9]:pt[2163-:6]] exu_mp_index; + input wire [pt[2139-:9] - 1:0] exu_mp_btag; + input wire [6:0] dec_tlu_br0_r_pkt; + input wire [pt[2236-:8] - 1:0] exu_i0_br_fghr_r; + input wire [pt[2172-:9]:pt[2163-:6]] exu_i0_br_index_r; + input wire [$clog2(pt[2061-:14]) - 1:0] dec_fa_error_index; + input dec_tlu_flush_lower_wb; + output wire [15:0] ifu_i0_cinst; + input wire [89:0] dec_tlu_ic_diag_pkt; + output wire ifu_ic_debug_rd_data_valid; + output wire iccm_buf_correct_ecc; + output wire iccm_correction_state; + input wire scan_mode; + localparam TAGWIDTH = 2; + localparam IDWIDTH = 2; + wire ifu_fb_consume1; + wire ifu_fb_consume2; + wire [31:1] ifc_fetch_addr_f; + wire [31:1] ifc_fetch_addr_bf; + wire [1:0] ifu_fetch_val; + wire [31:1] ifu_fetch_pc; + wire iccm_rd_ecc_single_err; + wire ic_error_start; + assign ifu_iccm_rd_ecc_single_err = iccm_rd_ecc_single_err; + assign ifu_ic_error_start = ic_error_start; + wire ic_write_stall; + wire ic_dma_active; + wire ifc_dma_access_ok; + wire [1:0] ic_access_fault_f; + wire [1:0] ic_access_fault_type_f; + wire ifu_ic_mb_empty; + wire ic_hit_f; + wire [1:0] ifu_bp_way_f; + wire ifu_bp_hit_taken_f; + wire [31:1] ifu_bp_btb_target_f; + wire ifu_bp_inst_mask_f; + wire [1:0] ifu_bp_hist1_f; + wire [1:0] ifu_bp_hist0_f; + wire [11:0] ifu_bp_poffset_f; + wire [1:0] ifu_bp_ret_f; + wire [1:0] ifu_bp_pc4_f; + wire [1:0] ifu_bp_valid_f; + wire [pt[2236-:8] - 1:0] ifu_bp_fghr_f; + wire [(2 * $clog2(pt[2061-:14])) - 1:0] ifu_bp_fa_index_f; + wire ifc_fetch_req_bf; + wire ifc_fetch_req_bf_raw; + wire ifc_fetch_req_f; + wire ifc_fetch_uncacheable_bf; + wire ifc_iccm_access_bf; + wire ifc_region_acc_fault_bf; + eb1_ifu_ifc_ctl #(.pt(pt)) ifc( + .clk(clk), + .free_l2clk(free_l2clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .ic_hit_f(ic_hit_f), + .ifu_ic_mb_empty(ifu_ic_mb_empty), + .ifu_fb_consume1(ifu_fb_consume1), + .ifu_fb_consume2(ifu_fb_consume2), + .dec_tlu_flush_noredir_wb(dec_tlu_flush_noredir_wb), + .exu_flush_final(exu_flush_final), + .exu_flush_path_final(exu_flush_path_final), + .ifu_bp_hit_taken_f(ifu_bp_hit_taken_f), + .ifu_bp_btb_target_f(ifu_bp_btb_target_f), + .ic_dma_active(ic_dma_active), + .ic_write_stall(ic_write_stall), + .dma_iccm_stall_any(dma_iccm_stall_any), + .dec_tlu_mrac_ff(dec_tlu_mrac_ff), + .ifc_fetch_addr_f(ifc_fetch_addr_f), + .ifc_fetch_addr_bf(ifc_fetch_addr_bf), + .ifc_fetch_req_f(ifc_fetch_req_f), + .ifu_pmu_fetch_stall(ifu_pmu_fetch_stall), + .ifc_fetch_uncacheable_bf(ifc_fetch_uncacheable_bf), + .ifc_fetch_req_bf(ifc_fetch_req_bf), + .ifc_fetch_req_bf_raw(ifc_fetch_req_bf_raw), + .ifc_iccm_access_bf(ifc_iccm_access_bf), + .ifc_region_acc_fault_bf(ifc_region_acc_fault_bf), + .ifc_dma_access_ok(ifc_dma_access_ok) + ); + generate + if (pt[2130-:5] == 1) begin : bpred + eb1_ifu_bp_ctl #(.pt(pt)) bp( + .clk(clk), + .rst_l(rst_l), + .ic_hit_f(ic_hit_f), + .ifc_fetch_addr_f(ifc_fetch_addr_f), + .ifc_fetch_req_f(ifc_fetch_req_f), + .dec_tlu_br0_r_pkt(dec_tlu_br0_r_pkt), + .exu_i0_br_fghr_r(exu_i0_br_fghr_r), + .exu_i0_br_index_r(exu_i0_br_index_r), + .dec_fa_error_index(dec_fa_error_index), + .dec_tlu_flush_lower_wb(dec_tlu_flush_lower_wb), + .dec_tlu_flush_leak_one_wb(dec_tlu_flush_leak_one_wb), + .dec_tlu_bpred_disable(dec_tlu_bpred_disable), + .exu_mp_pkt(exu_mp_pkt), + .exu_mp_eghr(exu_mp_eghr), + .exu_mp_fghr(exu_mp_fghr), + .exu_mp_index(exu_mp_index), + .exu_mp_btag(exu_mp_btag), + .exu_flush_final(exu_flush_final), + .ifu_bp_hit_taken_f(ifu_bp_hit_taken_f), + .ifu_bp_btb_target_f(ifu_bp_btb_target_f), + .ifu_bp_inst_mask_f(ifu_bp_inst_mask_f), + .ifu_bp_fghr_f(ifu_bp_fghr_f), + .ifu_bp_way_f(ifu_bp_way_f), + .ifu_bp_ret_f(ifu_bp_ret_f), + .ifu_bp_hist1_f(ifu_bp_hist1_f), + .ifu_bp_hist0_f(ifu_bp_hist0_f), + .ifu_bp_pc4_f(ifu_bp_pc4_f), + .ifu_bp_valid_f(ifu_bp_valid_f), + .ifu_bp_poffset_f(ifu_bp_poffset_f), + .ifu_bp_fa_index_f(ifu_bp_fa_index_f), + .scan_mode(scan_mode) + ); + end + else begin : bpred + assign ifu_bp_hit_taken_f = 1'b0; + wire btb_wr_en_way0; + wire btb_wr_en_way1; + wire dec_tlu_error_wb; + wire [16 + pt[2139-:9]:0] btb_wr_data; + assign btb_wr_en_way0 = 1'b0; + assign btb_wr_en_way1 = 1'b0; + assign btb_wr_data = {((16 + pt[2139-:9]) >= 0 ? (16 + pt[2139-:9]) + 1 : 1 - (16 + pt[2139-:9])) {1'sb0}}; + assign dec_tlu_error_wb = 1'b0; + assign ifu_bp_inst_mask_f = 1'b1; + end + endgenerate + wire [1:0] ic_fetch_val_f; + wire [31:0] ic_data_f; + wire [31:0] ifu_fetch_data_f; + wire ifc_fetch_req_f_raw; + wire [1:0] iccm_rd_ecc_double_err; + wire ifu_async_error_start; + assign ifu_fetch_data_f[31:0] = ic_data_f[31:0]; + assign ifu_fetch_val[1:0] = ic_fetch_val_f[1:0]; + assign ifu_fetch_pc[31:1] = ifc_fetch_addr_f[31:1]; + eb1_ifu_aln_ctl #(.pt(pt)) aln( + .scan_mode(scan_mode), + .rst_l(rst_l), + .clk(clk), + .active_clk(active_clk), + .ifu_async_error_start(ifu_async_error_start), + .iccm_rd_ecc_double_err(iccm_rd_ecc_double_err), + .ic_access_fault_f(ic_access_fault_f), + .ic_access_fault_type_f(ic_access_fault_type_f), + .exu_flush_final(exu_flush_final), + .dec_i0_decode_d(dec_i0_decode_d), + .ifu_fetch_data_f(ifu_fetch_data_f), + .ifu_fetch_val(ifu_fetch_val), + .ifu_fetch_pc(ifu_fetch_pc), + .ifu_i0_valid(ifu_i0_valid), + .ifu_i0_icaf(ifu_i0_icaf), + .ifu_i0_icaf_type(ifu_i0_icaf_type), + .ifu_i0_icaf_second(ifu_i0_icaf_second), + .ifu_i0_dbecc(ifu_i0_dbecc), + .ifu_i0_instr(ifu_i0_instr), + .ifu_i0_pc(ifu_i0_pc), + .ifu_i0_pc4(ifu_i0_pc4), + .ifu_fb_consume1(ifu_fb_consume1), + .ifu_fb_consume2(ifu_fb_consume2), + .ifu_bp_fghr_f(ifu_bp_fghr_f), + .ifu_bp_btb_target_f(ifu_bp_btb_target_f), + .ifu_bp_poffset_f(ifu_bp_poffset_f), + .ifu_bp_fa_index_f(ifu_bp_fa_index_f), + .ifu_bp_hist0_f(ifu_bp_hist0_f), + .ifu_bp_hist1_f(ifu_bp_hist1_f), + .ifu_bp_pc4_f(ifu_bp_pc4_f), + .ifu_bp_way_f(ifu_bp_way_f), + .ifu_bp_valid_f(ifu_bp_valid_f), + .ifu_bp_ret_f(ifu_bp_ret_f), + .i0_brp(i0_brp), + .ifu_i0_bp_index(ifu_i0_bp_index), + .ifu_i0_bp_fghr(ifu_i0_bp_fghr), + .ifu_i0_bp_btag(ifu_i0_bp_btag), + .ifu_i0_fa_index(ifu_i0_fa_index), + .ifu_pmu_instr_aligned(ifu_pmu_instr_aligned), + .ifu_i0_cinst(ifu_i0_cinst) + ); + eb1_ifu_mem_ctl #(.pt(pt)) mem_ctl( + .clk(clk), + .active_clk(active_clk), + .free_l2clk(free_l2clk), + .rst_l(rst_l), + .exu_flush_final(exu_flush_final), + .dec_tlu_flush_lower_wb(dec_tlu_flush_lower_wb), + .dec_tlu_flush_err_wb(dec_tlu_flush_err_wb), + .dec_tlu_i0_commit_cmt(dec_tlu_i0_commit_cmt), + .dec_tlu_force_halt(dec_tlu_force_halt), + .ifc_fetch_addr_bf(ifc_fetch_addr_bf), + .ifc_fetch_uncacheable_bf(ifc_fetch_uncacheable_bf), + .ifc_fetch_req_bf(ifc_fetch_req_bf), + .ifc_fetch_req_bf_raw(ifc_fetch_req_bf_raw), + .ifc_iccm_access_bf(ifc_iccm_access_bf), + .ifc_region_acc_fault_bf(ifc_region_acc_fault_bf), + .ifc_dma_access_ok(ifc_dma_access_ok), + .dec_tlu_fence_i_wb(dec_tlu_fence_i_wb), + .ifu_bp_hit_taken_f(ifu_bp_hit_taken_f), + .ifu_bp_inst_mask_f(ifu_bp_inst_mask_f), + .ifu_miss_state_idle(ifu_miss_state_idle), + .ifu_ic_mb_empty(ifu_ic_mb_empty), + .ic_dma_active(ic_dma_active), + .ic_write_stall(ic_write_stall), + .ifu_pmu_ic_miss(ifu_pmu_ic_miss), + .ifu_pmu_ic_hit(ifu_pmu_ic_hit), + .ifu_pmu_bus_error(ifu_pmu_bus_error), + .ifu_pmu_bus_busy(ifu_pmu_bus_busy), + .ifu_pmu_bus_trxn(ifu_pmu_bus_trxn), + .ifu_axi_awvalid(ifu_axi_awvalid), + .ifu_axi_awid(ifu_axi_awid), + .ifu_axi_awaddr(ifu_axi_awaddr), + .ifu_axi_awregion(ifu_axi_awregion), + .ifu_axi_awlen(ifu_axi_awlen), + .ifu_axi_awsize(ifu_axi_awsize), + .ifu_axi_awburst(ifu_axi_awburst), + .ifu_axi_awlock(ifu_axi_awlock), + .ifu_axi_awcache(ifu_axi_awcache), + .ifu_axi_awprot(ifu_axi_awprot), + .ifu_axi_awqos(ifu_axi_awqos), + .ifu_axi_wvalid(ifu_axi_wvalid), + .ifu_axi_wdata(ifu_axi_wdata), + .ifu_axi_wstrb(ifu_axi_wstrb), + .ifu_axi_wlast(ifu_axi_wlast), + .ifu_axi_bready(ifu_axi_bready), + .ifu_axi_arvalid(ifu_axi_arvalid), + .ifu_axi_arready(ifu_axi_arready), + .ifu_axi_arid(ifu_axi_arid), + .ifu_axi_araddr(ifu_axi_araddr), + .ifu_axi_arregion(ifu_axi_arregion), + .ifu_axi_arlen(ifu_axi_arlen), + .ifu_axi_arsize(ifu_axi_arsize), + .ifu_axi_arburst(ifu_axi_arburst), + .ifu_axi_arlock(ifu_axi_arlock), + .ifu_axi_arcache(ifu_axi_arcache), + .ifu_axi_arprot(ifu_axi_arprot), + .ifu_axi_arqos(ifu_axi_arqos), + .ifu_axi_rvalid(ifu_axi_rvalid), + .ifu_axi_rready(ifu_axi_rready), + .ifu_axi_rid(ifu_axi_rid), + .ifu_axi_rdata(ifu_axi_rdata), + .ifu_axi_rresp(ifu_axi_rresp), + .ifu_bus_clk_en(ifu_bus_clk_en), + .dma_iccm_req(dma_iccm_req), + .dma_mem_addr(dma_mem_addr), + .dma_mem_sz(dma_mem_sz), + .dma_mem_write(dma_mem_write), + .dma_mem_wdata(dma_mem_wdata), + .dma_mem_tag(dma_mem_tag), + .iccm_dma_ecc_error(iccm_dma_ecc_error), + .iccm_dma_rvalid(iccm_dma_rvalid), + .iccm_dma_rdata(iccm_dma_rdata), + .iccm_dma_rtag(iccm_dma_rtag), + .iccm_ready(iccm_ready), + .ic_rw_addr(ic_rw_addr), + .ic_wr_en(ic_wr_en), + .ic_rd_en(ic_rd_en), + .ic_wr_data(ic_wr_data), + .ic_rd_data(ic_rd_data), + .ic_debug_rd_data(ic_debug_rd_data), + .ictag_debug_rd_data(ictag_debug_rd_data), + .ic_debug_wr_data(ic_debug_wr_data), + .ifu_ic_debug_rd_data(ifu_ic_debug_rd_data), + .ic_eccerr(ic_eccerr), + .ic_parerr(ic_parerr), + .ic_debug_addr(ic_debug_addr), + .ic_debug_rd_en(ic_debug_rd_en), + .ic_debug_wr_en(ic_debug_wr_en), + .ic_debug_tag_array(ic_debug_tag_array), + .ic_debug_way(ic_debug_way), + .ic_tag_valid(ic_tag_valid), + .ic_rd_hit(ic_rd_hit), + .ic_tag_perr(ic_tag_perr), + .iccm_rw_addr(iccm_rw_addr), + .iccm_wren(iccm_wren), + .iccm_rden(iccm_rden), + .iccm_wr_data(iccm_wr_data), + .iccm_wr_size(iccm_wr_size), + .iccm_rd_data(iccm_rd_data), + .iccm_rd_data_ecc(iccm_rd_data_ecc), + .ifu_fetch_val(ifu_fetch_val), + .ic_hit_f(ic_hit_f), + .ic_access_fault_f(ic_access_fault_f), + .ic_access_fault_type_f(ic_access_fault_type_f), + .iccm_rd_ecc_single_err(iccm_rd_ecc_single_err), + .iccm_rd_ecc_double_err(iccm_rd_ecc_double_err), + .ic_error_start(ic_error_start), + .ifu_async_error_start(ifu_async_error_start), + .iccm_dma_sb_error(iccm_dma_sb_error), + .ic_fetch_val_f(ic_fetch_val_f), + .ic_premux_data(ic_premux_data), + .ic_sel_premux_data(ic_sel_premux_data), + .dec_tlu_ic_diag_pkt(dec_tlu_ic_diag_pkt), + .dec_tlu_core_ecc_disable(dec_tlu_core_ecc_disable), + .ifu_ic_debug_rd_data_valid(ifu_ic_debug_rd_data_valid), + .iccm_buf_correct_ecc(iccm_buf_correct_ecc), + .iccm_correction_state(iccm_correction_state), + .scan_mode(scan_mode), + .ic_data_f(ic_data_f[31:0]) + ); +endmodule +module eb1_ifu_aln_ctl ( + scan_mode, + rst_l, + clk, + active_clk, + ifu_async_error_start, + iccm_rd_ecc_double_err, + ic_access_fault_f, + ic_access_fault_type_f, + exu_flush_final, + dec_i0_decode_d, + ifu_fetch_data_f, + ifu_fetch_val, + ifu_fetch_pc, + ifu_i0_valid, + ifu_i0_icaf, + ifu_i0_icaf_type, + ifu_i0_icaf_second, + ifu_i0_dbecc, + ifu_i0_instr, + ifu_i0_pc, + ifu_i0_pc4, + ifu_fb_consume1, + ifu_fb_consume2, + ifu_bp_fghr_f, + ifu_bp_btb_target_f, + ifu_bp_poffset_f, + ifu_bp_fa_index_f, + ifu_bp_hist0_f, + ifu_bp_hist1_f, + ifu_bp_pc4_f, + ifu_bp_way_f, + ifu_bp_valid_f, + ifu_bp_ret_f, + i0_brp, + ifu_i0_bp_index, + ifu_i0_bp_fghr, + ifu_i0_bp_btag, + ifu_i0_fa_index, + ifu_pmu_instr_aligned, + ifu_i0_cinst +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire scan_mode; + input wire rst_l; + input wire clk; + input wire active_clk; + input wire ifu_async_error_start; + input wire [1:0] iccm_rd_ecc_double_err; + input wire [1:0] ic_access_fault_f; + input wire [1:0] ic_access_fault_type_f; + input wire exu_flush_final; + input wire dec_i0_decode_d; + input wire [31:0] ifu_fetch_data_f; + input wire [1:0] ifu_fetch_val; + input wire [31:1] ifu_fetch_pc; + output wire ifu_i0_valid; + output wire ifu_i0_icaf; + output wire [1:0] ifu_i0_icaf_type; + output wire ifu_i0_icaf_second; + output wire ifu_i0_dbecc; + output wire [31:0] ifu_i0_instr; + output wire [31:1] ifu_i0_pc; + output wire ifu_i0_pc4; + output wire ifu_fb_consume1; + output wire ifu_fb_consume2; + input wire [pt[2236-:8] - 1:0] ifu_bp_fghr_f; + input wire [31:1] ifu_bp_btb_target_f; + input wire [11:0] ifu_bp_poffset_f; + input wire [(2 * $clog2(pt[2061-:14])) - 1:0] ifu_bp_fa_index_f; + input wire [1:0] ifu_bp_hist0_f; + input wire [1:0] ifu_bp_hist1_f; + input wire [1:0] ifu_bp_pc4_f; + input wire [1:0] ifu_bp_way_f; + input wire [1:0] ifu_bp_valid_f; + input wire [1:0] ifu_bp_ret_f; + output reg [50:0] i0_brp; + output wire [pt[2172-:9]:pt[2163-:6]] ifu_i0_bp_index; + output wire [pt[2236-:8] - 1:0] ifu_i0_bp_fghr; + output wire [pt[2139-:9] - 1:0] ifu_i0_bp_btag; + output reg [$clog2(pt[2061-:14]) - 1:0] ifu_i0_fa_index; + output wire ifu_pmu_instr_aligned; + output wire [15:0] ifu_i0_cinst; + wire ifvalid; + wire shift_f1_f0; + wire shift_f2_f0; + wire shift_f2_f1; + wire fetch_to_f0; + wire fetch_to_f1; + wire fetch_to_f2; + wire [1:0] f2val_in; + wire [1:0] f2val; + wire [1:0] f1val_in; + wire [1:0] f1val; + wire [1:0] f0val_in; + wire [1:0] f0val; + wire [1:0] sf1val; + wire [1:0] sf0val; + wire [31:0] aligndata; + wire first4B; + wire first2B; + wire [31:0] uncompress0; + wire i0_shift; + wire shift_2B; + wire shift_4B; + wire f1_shift_2B; + wire f2_valid; + wire sf1_valid; + wire sf0_valid; + wire [31:0] ifirst; + wire [1:0] alignval; + wire [31:1] firstpc; + wire [31:1] secondpc; + wire [11:0] f1poffset; + wire [11:0] f0poffset; + wire [pt[2236-:8] - 1:0] f1fghr; + wire [pt[2236-:8] - 1:0] f0fghr; + wire [1:0] f1hist1; + wire [1:0] f0hist1; + wire [1:0] f1hist0; + wire [1:0] f0hist0; + wire [(2 * $clog2(pt[2061-:14])) - 1:0] f0index; + wire [(2 * $clog2(pt[2061-:14])) - 1:0] f1index; + wire [(2 * $clog2(pt[2061-:14])) - 1:0] alignindex; + wire [1:0] f1ictype; + wire [1:0] f0ictype; + wire [1:0] f1pc4; + wire [1:0] f0pc4; + wire [1:0] f1ret; + wire [1:0] f0ret; + wire [1:0] f1way; + wire [1:0] f0way; + wire [1:0] f1brend; + wire [1:0] f0brend; + wire [1:0] alignbrend; + wire [1:0] alignpc4; + wire [1:0] alignret; + wire [1:0] alignway; + wire [1:0] alignhist1; + wire [1:0] alignhist0; + wire [1:1] alignfromf1; + reg i0_ends_f1; + reg i0_br_start_error; + wire [31:1] f1prett; + wire [31:1] f0prett; + wire [1:0] f1dbecc; + wire [1:0] f0dbecc; + wire [1:0] f1icaf; + wire [1:0] f0icaf; + wire [1:0] aligndbecc; + wire [1:0] alignicaf; + reg i0_brp_pc4; + wire [pt[2172-:9]:pt[2163-:6]] firstpc_hash; + wire [pt[2172-:9]:pt[2163-:6]] secondpc_hash; + wire first_legal; + wire [1:0] wrptr; + wire [1:0] wrptr_in; + wire [1:0] rdptr; + wire [1:0] rdptr_in; + wire [2:0] qwen; + wire [31:0] q2; + wire [31:0] q1; + wire [31:0] q0; + wire q2off_in; + wire q2off; + wire q1off_in; + wire q1off; + wire q0off_in; + wire q0off; + wire f0_shift_2B; + wire [31:0] q0eff; + wire [31:0] q0final; + wire q0ptr; + wire [1:0] q0sel; + wire [31:0] q1eff; + wire [15:0] q1final; + wire q1ptr; + wire [1:0] q1sel; + wire [2:0] qren; + wire consume_fb1; + wire consume_fb0; + wire [1:0] icaf_eff; + localparam BRDATA_SIZE = (pt[2130-:5] ? 16 + (($clog2(pt[2061-:14]) * 2) * pt[2120-:5]) : 2); + localparam BRDATA_WIDTH = (pt[2130-:5] ? 8 + ($clog2(pt[2061-:14]) * pt[2120-:5]) : 1); + wire [BRDATA_SIZE - 1:0] brdata_in; + wire [BRDATA_SIZE - 1:0] brdata2; + wire [BRDATA_SIZE - 1:0] brdata1; + wire [BRDATA_SIZE - 1:0] brdata0; + wire [BRDATA_SIZE - 1:0] brdata1eff; + wire [BRDATA_SIZE - 1:0] brdata0eff; + wire [BRDATA_SIZE - 1:0] brdata1final; + wire [BRDATA_SIZE - 1:0] brdata0final; + localparam MHI = 1 + (pt[2130-:5] * (43 + pt[2236-:8])); + localparam MSIZE = 2 + (pt[2130-:5] * (43 + pt[2236-:8])); + wire [MHI:0] misc_data_in; + wire [MHI:0] misc2; + wire [MHI:0] misc1; + wire [MHI:0] misc0; + wire [MHI:0] misc1eff; + wire [MHI:0] misc0eff; + wire [pt[2139-:9] - 1:0] firstbrtag_hash; + wire [pt[2139-:9] - 1:0] secondbrtag_hash; + wire error_stall_in; + wire error_stall; + assign error_stall_in = (error_stall | ifu_async_error_start) & ~exu_flush_final; + rvdff #(.WIDTH(7)) bundle1ff( + .rst_l(rst_l), + .clk(active_clk), + .din({wrptr_in[1:0], rdptr_in[1:0], q2off_in, q1off_in, q0off_in}), + .dout({wrptr[1:0], rdptr[1:0], q2off, q1off, q0off}) + ); + rvdffie #( + .WIDTH(7), + .OVERRIDE(1) + ) bundle2ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din({error_stall_in, f2val_in[1:0], f1val_in[1:0], f0val_in[1:0]}), + .dout({error_stall, f2val[1:0], f1val[1:0], f0val[1:0]}) + ); + generate + if (pt[2130-:5] == 1) begin + rvdffe #(.WIDTH(BRDATA_SIZE)) brdata2ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[2]), + .din(brdata_in[BRDATA_SIZE - 1:0]), + .dout(brdata2[BRDATA_SIZE - 1:0]) + ); + rvdffe #(.WIDTH(BRDATA_SIZE)) brdata1ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[1]), + .din(brdata_in[BRDATA_SIZE - 1:0]), + .dout(brdata1[BRDATA_SIZE - 1:0]) + ); + rvdffe #(.WIDTH(BRDATA_SIZE)) brdata0ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[0]), + .din(brdata_in[BRDATA_SIZE - 1:0]), + .dout(brdata0[BRDATA_SIZE - 1:0]) + ); + rvdffe #(.WIDTH(MSIZE)) misc2ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[2]), + .din(misc_data_in[MHI:0]), + .dout(misc2[MHI:0]) + ); + rvdffe #(.WIDTH(MSIZE)) misc1ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[1]), + .din(misc_data_in[MHI:0]), + .dout(misc1[MHI:0]) + ); + rvdffe #(.WIDTH(MSIZE)) misc0ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[0]), + .din(misc_data_in[MHI:0]), + .dout(misc0[MHI:0]) + ); + end + else rvdffie #(.WIDTH((MSIZE * 3) + (BRDATA_SIZE * 3))) miscff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din({(qwen[2] ? {misc_data_in[MHI:0], brdata_in[BRDATA_SIZE - 1:0]} : {misc2[MHI:0], brdata2[BRDATA_SIZE - 1:0]}), (qwen[1] ? {misc_data_in[MHI:0], brdata_in[BRDATA_SIZE - 1:0]} : {misc1[MHI:0], brdata1[BRDATA_SIZE - 1:0]}), (qwen[0] ? {misc_data_in[MHI:0], brdata_in[BRDATA_SIZE - 1:0]} : {misc0[MHI:0], brdata0[BRDATA_SIZE - 1:0]})}), + .dout({misc2[MHI:0], misc1[MHI:0], misc0[MHI:0], brdata2[BRDATA_SIZE - 1:0], brdata1[BRDATA_SIZE - 1:0], brdata0[BRDATA_SIZE - 1:0]}) + ); + endgenerate + wire [31:1] q2pc; + wire [31:1] q1pc; + wire [31:1] q0pc; + rvdffe #(.WIDTH(31)) q2pcff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[2]), + .din(ifu_fetch_pc[31:1]), + .dout(q2pc[31:1]) + ); + rvdffe #(.WIDTH(31)) q1pcff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[1]), + .din(ifu_fetch_pc[31:1]), + .dout(q1pc[31:1]) + ); + rvdffe #(.WIDTH(31)) q0pcff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[0]), + .din(ifu_fetch_pc[31:1]), + .dout(q0pc[31:1]) + ); + rvdffe #(.WIDTH(32)) q2ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[2]), + .din(ifu_fetch_data_f[31:0]), + .dout(q2[31:0]) + ); + rvdffe #(.WIDTH(32)) q1ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[1]), + .din(ifu_fetch_data_f[31:0]), + .dout(q1[31:0]) + ); + rvdffe #(.WIDTH(32)) q0ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(qwen[0]), + .din(ifu_fetch_data_f[31:0]), + .dout(q0[31:0]) + ); + assign qren[2:0] = {rdptr[1:0] == 2'b10, rdptr[1:0] == 2'b01, rdptr[1:0] == 2'b00}; + assign qwen[2:0] = {(wrptr[1:0] == 2'b10) & ifvalid, (wrptr[1:0] == 2'b01) & ifvalid, (wrptr[1:0] == 2'b00) & ifvalid}; + assign rdptr_in[1:0] = (((((({2 {(qren[0] & ifu_fb_consume1) & ~exu_flush_final}} & 2'b01) | ({2 {(qren[1] & ifu_fb_consume1) & ~exu_flush_final}} & 2'b10)) | ({2 {(qren[2] & ifu_fb_consume1) & ~exu_flush_final}} & 2'b00)) | ({2 {(qren[0] & ifu_fb_consume2) & ~exu_flush_final}} & 2'b10)) | ({2 {(qren[1] & ifu_fb_consume2) & ~exu_flush_final}} & 2'b00)) | ({2 {(qren[2] & ifu_fb_consume2) & ~exu_flush_final}} & 2'b01)) | ({2 {(~ifu_fb_consume1 & ~ifu_fb_consume2) & ~exu_flush_final}} & rdptr[1:0]); + assign wrptr_in[1:0] = ((({2 {qwen[0] & ~exu_flush_final}} & 2'b01) | ({2 {qwen[1] & ~exu_flush_final}} & 2'b10)) | ({2 {qwen[2] & ~exu_flush_final}} & 2'b00)) | ({2 {~ifvalid & ~exu_flush_final}} & wrptr[1:0]); + assign q2off_in = (((~qwen[2] & (rdptr[1:0] == 2'd2)) & (q2off | f0_shift_2B)) | ((~qwen[2] & (rdptr[1:0] == 2'd1)) & (q2off | f1_shift_2B))) | ((~qwen[2] & (rdptr[1:0] == 2'd0)) & q2off); + assign q1off_in = (((~qwen[1] & (rdptr[1:0] == 2'd1)) & (q1off | f0_shift_2B)) | ((~qwen[1] & (rdptr[1:0] == 2'd0)) & (q1off | f1_shift_2B))) | ((~qwen[1] & (rdptr[1:0] == 2'd2)) & q1off); + assign q0off_in = (((~qwen[0] & (rdptr[1:0] == 2'd0)) & (q0off | f0_shift_2B)) | ((~qwen[0] & (rdptr[1:0] == 2'd2)) & (q0off | f1_shift_2B))) | ((~qwen[0] & (rdptr[1:0] == 2'd1)) & q0off); + assign q0ptr = (((rdptr[1:0] == 2'b00) & q0off) | ((rdptr[1:0] == 2'b01) & q1off)) | ((rdptr[1:0] == 2'b10) & q2off); + assign q1ptr = (((rdptr[1:0] == 2'b00) & q1off) | ((rdptr[1:0] == 2'b01) & q2off)) | ((rdptr[1:0] == 2'b10) & q0off); + assign q0sel[1:0] = {q0ptr, ~q0ptr}; + assign q1sel[1:0] = {q1ptr, ~q1ptr}; + generate + if (pt[2130-:5] == 1) begin + assign misc_data_in[MHI:0] = {ic_access_fault_type_f[1:0], ifu_bp_btb_target_f[31:1], ifu_bp_poffset_f[11:0], ifu_bp_fghr_f[pt[2236-:8] - 1:0]}; + end + else assign misc_data_in[MHI:0] = {ic_access_fault_type_f[1:0]}; + endgenerate + assign {misc1eff[MHI:0], misc0eff[MHI:0]} = (({MSIZE * 2 {qren[0]}} & {misc1[MHI:0], misc0[MHI:0]}) | ({MSIZE * 2 {qren[1]}} & {misc2[MHI:0], misc1[MHI:0]})) | ({MSIZE * 2 {qren[2]}} & {misc0[MHI:0], misc2[MHI:0]}); + generate + if (pt[2130-:5] == 1) begin + assign {f1ictype[1:0], f1prett[31:1], f1poffset[11:0], f1fghr[pt[2236-:8] - 1:0]} = misc1eff[MHI:0]; + assign {f0ictype[1:0], f0prett[31:1], f0poffset[11:0], f0fghr[pt[2236-:8] - 1:0]} = misc0eff[MHI:0]; + if (pt[2120-:5]) begin + assign brdata_in[BRDATA_SIZE - 1:0] = {ifu_bp_fa_index_f[$clog2(pt[2061-:14])+:$clog2(pt[2061-:14])], iccm_rd_ecc_double_err[1], ic_access_fault_f[1], ifu_bp_hist1_f[1], ifu_bp_hist0_f[1], ifu_bp_pc4_f[1], ifu_bp_way_f[1], ifu_bp_valid_f[1], ifu_bp_ret_f[1], ifu_bp_fa_index_f[0+:$clog2(pt[2061-:14])], iccm_rd_ecc_double_err[0], ic_access_fault_f[0], ifu_bp_hist1_f[0], ifu_bp_hist0_f[0], ifu_bp_pc4_f[0], ifu_bp_way_f[0], ifu_bp_valid_f[0], ifu_bp_ret_f[0]}; + assign {f0index[$clog2(pt[2061-:14])+:$clog2(pt[2061-:14])], f0dbecc[1], f0icaf[1], f0hist1[1], f0hist0[1], f0pc4[1], f0way[1], f0brend[1], f0ret[1], f0index[0+:$clog2(pt[2061-:14])], f0dbecc[0], f0icaf[0], f0hist1[0], f0hist0[0], f0pc4[0], f0way[0], f0brend[0], f0ret[0]} = brdata0final[BRDATA_SIZE - 1:0]; + assign {f1index[$clog2(pt[2061-:14])+:$clog2(pt[2061-:14])], f1dbecc[1], f1icaf[1], f1hist1[1], f1hist0[1], f1pc4[1], f1way[1], f1brend[1], f1ret[1], f1index[0+:$clog2(pt[2061-:14])], f1dbecc[0], f1icaf[0], f1hist1[0], f1hist0[0], f1pc4[0], f1way[0], f1brend[0], f1ret[0]} = brdata1final[BRDATA_SIZE - 1:0]; + end + else begin + assign brdata_in[BRDATA_SIZE - 1:0] = {iccm_rd_ecc_double_err[1], ic_access_fault_f[1], ifu_bp_hist1_f[1], ifu_bp_hist0_f[1], ifu_bp_pc4_f[1], ifu_bp_way_f[1], ifu_bp_valid_f[1], ifu_bp_ret_f[1], iccm_rd_ecc_double_err[0], ic_access_fault_f[0], ifu_bp_hist1_f[0], ifu_bp_hist0_f[0], ifu_bp_pc4_f[0], ifu_bp_way_f[0], ifu_bp_valid_f[0], ifu_bp_ret_f[0]}; + assign {f0dbecc[1], f0icaf[1], f0hist1[1], f0hist0[1], f0pc4[1], f0way[1], f0brend[1], f0ret[1], f0dbecc[0], f0icaf[0], f0hist1[0], f0hist0[0], f0pc4[0], f0way[0], f0brend[0], f0ret[0]} = brdata0final[BRDATA_SIZE - 1:0]; + assign {f1dbecc[1], f1icaf[1], f1hist1[1], f1hist0[1], f1pc4[1], f1way[1], f1brend[1], f1ret[1], f1dbecc[0], f1icaf[0], f1hist1[0], f1hist0[0], f1pc4[0], f1way[0], f1brend[0], f1ret[0]} = brdata1final[BRDATA_SIZE - 1:0]; + end + assign {brdata1eff[BRDATA_SIZE - 1:0], brdata0eff[BRDATA_SIZE - 1:0]} = (({BRDATA_SIZE * 2 {qren[0]}} & {brdata1[BRDATA_SIZE - 1:0], brdata0[BRDATA_SIZE - 1:0]}) | ({BRDATA_SIZE * 2 {qren[1]}} & {brdata2[BRDATA_SIZE - 1:0], brdata1[BRDATA_SIZE - 1:0]})) | ({BRDATA_SIZE * 2 {qren[2]}} & {brdata0[BRDATA_SIZE - 1:0], brdata2[BRDATA_SIZE - 1:0]}); + assign brdata0final[BRDATA_SIZE - 1:0] = ({BRDATA_SIZE {q0sel[0]}} & {brdata0eff[(2 * BRDATA_WIDTH) - 1:0]}) | ({BRDATA_SIZE {q0sel[1]}} & {{BRDATA_WIDTH {1'b0}}, brdata0eff[BRDATA_SIZE - 1:BRDATA_WIDTH]}); + assign brdata1final[BRDATA_SIZE - 1:0] = ({BRDATA_SIZE {q1sel[0]}} & {brdata1eff[(2 * BRDATA_WIDTH) - 1:0]}) | ({BRDATA_SIZE {q1sel[1]}} & {{BRDATA_WIDTH {1'b0}}, brdata1eff[BRDATA_SIZE - 1:BRDATA_WIDTH]}); + end + else begin + assign {f1ictype[1:0]} = misc1eff[MHI:0]; + assign {f0ictype[1:0]} = misc0eff[MHI:0]; + assign brdata_in[BRDATA_SIZE - 1:0] = {iccm_rd_ecc_double_err[1], ic_access_fault_f[1], iccm_rd_ecc_double_err[0], ic_access_fault_f[0]}; + assign {f0dbecc[1], f0icaf[1], f0dbecc[0], f0icaf[0]} = brdata0final[BRDATA_SIZE - 1:0]; + assign {f1dbecc[1], f1icaf[1], f1dbecc[0], f1icaf[0]} = brdata1final[BRDATA_SIZE - 1:0]; + assign {brdata1eff[BRDATA_SIZE - 1:0], brdata0eff[BRDATA_SIZE - 1:0]} = (({BRDATA_SIZE * 2 {qren[0]}} & {brdata1[BRDATA_SIZE - 1:0], brdata0[BRDATA_SIZE - 1:0]}) | ({BRDATA_SIZE * 2 {qren[1]}} & {brdata2[BRDATA_SIZE - 1:0], brdata1[BRDATA_SIZE - 1:0]})) | ({BRDATA_SIZE * 2 {qren[2]}} & {brdata0[BRDATA_SIZE - 1:0], brdata2[BRDATA_SIZE - 1:0]}); + assign brdata0final[BRDATA_SIZE - 1:0] = ({BRDATA_SIZE {q0sel[0]}} & {brdata0eff[(2 * BRDATA_WIDTH) - 1:0]}) | ({BRDATA_SIZE {q0sel[1]}} & {{BRDATA_WIDTH {1'b0}}, brdata0eff[BRDATA_SIZE - 1:BRDATA_WIDTH]}); + assign brdata1final[BRDATA_SIZE - 1:0] = ({BRDATA_SIZE {q1sel[0]}} & {brdata1eff[(2 * BRDATA_WIDTH) - 1:0]}) | ({BRDATA_SIZE {q1sel[1]}} & {{BRDATA_WIDTH {1'b0}}, brdata1eff[BRDATA_SIZE - 1:BRDATA_WIDTH]}); + end + endgenerate + assign f2_valid = f2val[0]; + assign sf1_valid = sf1val[0]; + assign sf0_valid = sf0val[0]; + assign consume_fb0 = ~sf0val[0] & f0val[0]; + assign consume_fb1 = ~sf1val[0] & f1val[0]; + assign ifu_fb_consume1 = (consume_fb0 & ~consume_fb1) & ~exu_flush_final; + assign ifu_fb_consume2 = (consume_fb0 & consume_fb1) & ~exu_flush_final; + assign ifvalid = ifu_fetch_val[0]; + assign shift_f1_f0 = ~sf0_valid & sf1_valid; + assign shift_f2_f0 = (~sf0_valid & ~sf1_valid) & f2_valid; + assign shift_f2_f1 = (~sf0_valid & sf1_valid) & f2_valid; + assign fetch_to_f0 = ((~sf0_valid & ~sf1_valid) & ~f2_valid) & ifvalid; + assign fetch_to_f1 = ((((~sf0_valid & ~sf1_valid) & f2_valid) & ifvalid) | (((~sf0_valid & sf1_valid) & ~f2_valid) & ifvalid)) | (((sf0_valid & ~sf1_valid) & ~f2_valid) & ifvalid); + assign fetch_to_f2 = (((~sf0_valid & sf1_valid) & f2_valid) & ifvalid) | (((sf0_valid & sf1_valid) & ~f2_valid) & ifvalid); + assign f2val_in[1:0] = ({2 {fetch_to_f2 & ~exu_flush_final}} & ifu_fetch_val[1:0]) | ({2 {((~fetch_to_f2 & ~shift_f2_f1) & ~shift_f2_f0) & ~exu_flush_final}} & f2val[1:0]); + assign sf1val[1:0] = ({2 {f1_shift_2B}} & {1'b0, f1val[1]}) | ({2 {~f1_shift_2B}} & f1val[1:0]); + assign f1val_in[1:0] = (({2 {fetch_to_f1 & ~exu_flush_final}} & ifu_fetch_val[1:0]) | ({2 {shift_f2_f1 & ~exu_flush_final}} & f2val[1:0])) | ({2 {((~fetch_to_f1 & ~shift_f2_f1) & ~shift_f1_f0) & ~exu_flush_final}} & sf1val[1:0]); + assign sf0val[1:0] = ({2 {shift_2B}} & {1'b0, f0val[1]}) | ({2 {~shift_2B & ~shift_4B}} & f0val[1:0]); + assign f0val_in[1:0] = ((({2 {fetch_to_f0 & ~exu_flush_final}} & ifu_fetch_val[1:0]) | ({2 {shift_f2_f0 & ~exu_flush_final}} & f2val[1:0])) | ({2 {shift_f1_f0 & ~exu_flush_final}} & sf1val[1:0])) | ({2 {((~fetch_to_f0 & ~shift_f2_f0) & ~shift_f1_f0) & ~exu_flush_final}} & sf0val[1:0]); + assign {q1eff[31:0], q0eff[31:0]} = (({64 {qren[0]}} & {q1[31:0], q0[31:0]}) | ({64 {qren[1]}} & {q2[31:0], q1[31:0]})) | ({64 {qren[2]}} & {q0[31:0], q2[31:0]}); + assign q0final[31:0] = ({32 {q0sel[0]}} & {q0eff[31:0]}) | ({32 {q0sel[1]}} & {16'b0000000000000000, q0eff[31:16]}); + assign q1final[15:0] = ({16 {q1sel[0]}} & q1eff[15:0]) | ({16 {q1sel[1]}} & q1eff[31:16]); + wire [31:1] q0pceff; + wire [31:1] q0pcfinal; + wire [31:1] q1pceff; + assign {q1pceff[31:1], q0pceff[31:1]} = (({62 {qren[0]}} & {q1pc[31:1], q0pc[31:1]}) | ({62 {qren[1]}} & {q2pc[31:1], q1pc[31:1]})) | ({62 {qren[2]}} & {q0pc[31:1], q2pc[31:1]}); + assign q0pcfinal[31:1] = ({31 {q0sel[0]}} & q0pceff[31:1]) | ({31 {q0sel[1]}} & (q0pceff[31:1] + 31'd1)); + assign aligndata[31:0] = ({32 {f0val[1]}} & {q0final[31:0]}) | ({32 {~f0val[1] & f0val[0]}} & {q1final[15:0], q0final[15:0]}); + assign alignval[1:0] = ({2 {f0val[1]}} & 2'b11) | ({2 {~f0val[1] & f0val[0]}} & {f1val[0], 1'b1}); + assign alignicaf[1:0] = ({2 {f0val[1]}} & f0icaf[1:0]) | ({2 {~f0val[1] & f0val[0]}} & {f1icaf[0], f0icaf[0]}); + assign aligndbecc[1:0] = ({2 {f0val[1]}} & f0dbecc[1:0]) | ({2 {~f0val[1] & f0val[0]}} & {f1dbecc[0], f0dbecc[0]}); + generate + if (pt[2130-:5] == 1) begin + assign alignbrend[1:0] = ({2 {f0val[1]}} & f0brend[1:0]) | ({2 {~f0val[1] & f0val[0]}} & {f1brend[0], f0brend[0]}); + assign alignpc4[1:0] = ({2 {f0val[1]}} & f0pc4[1:0]) | ({2 {~f0val[1] & f0val[0]}} & {f1pc4[0], f0pc4[0]}); + if (pt[2120-:5]) begin + assign alignindex[0+:$clog2(pt[2061-:14])] = f0index[0+:$clog2(pt[2061-:14])]; + assign alignindex[$clog2(pt[2061-:14])+:$clog2(pt[2061-:14])] = (f0val[1] ? f0index[$clog2(pt[2061-:14])+:$clog2(pt[2061-:14])] : f1index[0+:$clog2(pt[2061-:14])]); + end + assign alignret[1:0] = ({2 {f0val[1]}} & f0ret[1:0]) | ({2 {~f0val[1] & f0val[0]}} & {f1ret[0], f0ret[0]}); + assign alignway[1:0] = ({2 {f0val[1]}} & f0way[1:0]) | ({2 {~f0val[1] & f0val[0]}} & {f1way[0], f0way[0]}); + assign alignhist1[1:0] = ({2 {f0val[1]}} & f0hist1[1:0]) | ({2 {~f0val[1] & f0val[0]}} & {f1hist1[0], f0hist1[0]}); + assign alignhist0[1:0] = ({2 {f0val[1]}} & f0hist0[1:0]) | ({2 {~f0val[1] & f0val[0]}} & {f1hist0[0], f0hist0[0]}); + assign secondpc[31:1] = ({31 {f0val[1]}} & (q0pceff[31:1] + 31'd1)) | ({31 {~f0val[1] & f0val[0]}} & q1pceff[31:1]); + assign firstpc[31:1] = q0pcfinal[31:1]; + end + endgenerate + assign alignfromf1[1] = ~f0val[1] & f0val[0]; + assign ifu_i0_pc[31:1] = q0pcfinal[31:1]; + assign ifu_i0_pc4 = first4B; + assign ifu_i0_cinst[15:0] = aligndata[15:0]; + assign first4B = aligndata[1:0] == 2'b11; + assign first2B = ~first4B; + assign ifu_i0_valid = (first4B & alignval[1]) | (first2B & alignval[0]); + assign ifu_i0_icaf = (first4B & |alignicaf[1:0]) | (first2B & alignicaf[0]); + assign ifu_i0_icaf_type[1:0] = ((((first4B & ~f0val[1]) & f0val[0]) & ~alignicaf[0]) & ~aligndbecc[0] ? f1ictype[1:0] : f0ictype[1:0]); + assign icaf_eff[1:0] = alignicaf[1:0] | aligndbecc[1:0]; + assign ifu_i0_icaf_second = (first4B & ~icaf_eff[0]) & icaf_eff[1]; + assign ifu_i0_dbecc = (first4B & |aligndbecc[1:0]) | (first2B & aligndbecc[0]); + assign ifirst[31:0] = aligndata[31:0]; + assign ifu_i0_instr[31:0] = ({32 {first4B & alignval[1]}} & ifirst[31:0]) | ({32 {first2B & alignval[0]}} & uncompress0[31:0]); + generate + if (pt[2130-:5] == 1) begin + eb1_btb_addr_hash #(.pt(pt)) firsthash( + .pc(firstpc[pt[2079-:9]:pt[2106-:9]]), + .hash(firstpc_hash[pt[2172-:9]:pt[2163-:6]]) + ); + eb1_btb_addr_hash #(.pt(pt)) secondhash( + .pc(secondpc[pt[2079-:9]:pt[2106-:9]]), + .hash(secondpc_hash[pt[2172-:9]:pt[2163-:6]]) + ); + if (pt[2120-:5]) begin + assign firstbrtag_hash = firstpc; + assign secondbrtag_hash = secondpc; + end + else if (pt[2144-:5]) begin : btbfold + eb1_btb_tag_hash_fold #(.pt(pt)) first_brhash( + .pc(firstpc[(pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1]), + .hash(firstbrtag_hash[pt[2139-:9] - 1:0]) + ); + eb1_btb_tag_hash_fold #(.pt(pt)) second_brhash( + .pc(secondpc[(pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1]), + .hash(secondbrtag_hash[pt[2139-:9] - 1:0]) + ); + end + else begin + eb1_btb_tag_hash #(.pt(pt)) first_brhash( + .pc(firstpc[((pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1]), + .hash(firstbrtag_hash[pt[2139-:9] - 1:0]) + ); + eb1_btb_tag_hash #(.pt(pt)) second_brhash( + .pc(secondpc[((pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1]), + .hash(secondbrtag_hash[pt[2139-:9] - 1:0]) + ); + end + always @(*) begin + i0_brp = {51 {1'sb0}}; + i0_br_start_error = (first4B & alignval[1]) & alignbrend[0]; + i0_brp[50] = ((first2B & alignbrend[0]) | (first4B & alignbrend[1])) | i0_br_start_error; + i0_brp_pc4 = (first2B & alignpc4[0]) | (first4B & alignpc4[1]); + i0_brp[0] = (first2B & alignret[0]) | (first4B & alignret[1]); + i0_brp[1] = (first2B | alignbrend[0] ? alignway[0] : alignway[1]); + i0_brp[37] = (first2B & alignhist1[0]) | (first4B & alignhist1[1]); + i0_brp[36] = (first2B & alignhist0[0]) | (first4B & alignhist0[1]); + i0_ends_f1 = first4B & alignfromf1[1]; + i0_brp[49:38] = (i0_ends_f1 ? f1poffset[11:0] : f0poffset[11:0]); + i0_brp[32:2] = (i0_ends_f1 ? f1prett[31:1] : f0prett[31:1]); + i0_brp[34] = i0_br_start_error; + i0_brp[33] = (first2B | alignbrend[0] ? firstpc[1] : secondpc[1]); + i0_brp[35] = ((i0_brp[50] & i0_brp_pc4) & first2B) | ((i0_brp[50] & ~i0_brp_pc4) & first4B); + if (pt[2120-:5]) + ifu_i0_fa_index = (first2B | alignbrend[0] ? alignindex[0+:$clog2(pt[2061-:14])] : alignindex[$clog2(pt[2061-:14])+:$clog2(pt[2061-:14])]); + else + ifu_i0_fa_index = {$clog2(pt[2061-:14]) {1'sb0}}; + end + assign ifu_i0_bp_index[pt[2172-:9]:pt[2163-:6]] = (first2B | alignbrend[0] ? firstpc_hash[pt[2172-:9]:pt[2163-:6]] : secondpc_hash[pt[2172-:9]:pt[2163-:6]]); + assign ifu_i0_bp_fghr[pt[2236-:8] - 1:0] = (i0_ends_f1 ? f1fghr[pt[2236-:8] - 1:0] : f0fghr[pt[2236-:8] - 1:0]); + assign ifu_i0_bp_btag[pt[2139-:9] - 1:0] = (first2B | alignbrend[0] ? firstbrtag_hash[pt[2139-:9] - 1:0] : secondbrtag_hash[pt[2139-:9] - 1:0]); + end + else begin + wire [51:1] sv2v_tmp_B43E9; + assign sv2v_tmp_B43E9 = {51 {1'sb0}}; + always @(*) i0_brp = sv2v_tmp_B43E9; + assign ifu_i0_bp_index = {(pt[2172-:9] >= pt[2163-:6] ? (pt[2172-:9] - pt[2163-:6]) + 1 : (pt[2163-:6] - pt[2172-:9]) + 1) {1'sb0}}; + assign ifu_i0_bp_fghr = {pt[2236-:8] {1'sb0}}; + assign ifu_i0_bp_btag = {pt[2139-:9] {1'sb0}}; + end + endgenerate + eb1_ifu_compress_ctl #(.pt(pt)) compress0( + .din((first2B ? aligndata[15:0] : {16 {1'sb0}})), + .dout(uncompress0[31:0]) + ); + assign i0_shift = dec_i0_decode_d & ~error_stall; + assign ifu_pmu_instr_aligned = i0_shift; + assign shift_2B = i0_shift & first2B; + assign shift_4B = i0_shift & first4B; + assign f0_shift_2B = (shift_2B & f0val[0]) | ((shift_4B & f0val[0]) & ~f0val[1]); + assign f1_shift_2B = (f0val[0] & ~f0val[1]) & shift_4B; +endmodule +module eb1_ifu_bp_ctl ( + clk, + rst_l, + ic_hit_f, + ifc_fetch_addr_f, + ifc_fetch_req_f, + dec_tlu_br0_r_pkt, + exu_i0_br_fghr_r, + exu_i0_br_index_r, + dec_fa_error_index, + dec_tlu_flush_lower_wb, + dec_tlu_flush_leak_one_wb, + dec_tlu_bpred_disable, + exu_mp_pkt, + exu_mp_eghr, + exu_mp_fghr, + exu_mp_index, + exu_mp_btag, + exu_flush_final, + ifu_bp_hit_taken_f, + ifu_bp_btb_target_f, + ifu_bp_inst_mask_f, + ifu_bp_fghr_f, + ifu_bp_way_f, + ifu_bp_ret_f, + ifu_bp_hist1_f, + ifu_bp_hist0_f, + ifu_bp_pc4_f, + ifu_bp_valid_f, + ifu_bp_poffset_f, + ifu_bp_fa_index_f, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire rst_l; + input wire ic_hit_f; + input wire [31:1] ifc_fetch_addr_f; + input wire ifc_fetch_req_f; + input wire [6:0] dec_tlu_br0_r_pkt; + input wire [pt[2236-:8] - 1:0] exu_i0_br_fghr_r; + input wire [pt[2172-:9]:pt[2163-:6]] exu_i0_br_index_r; + input wire [$clog2(pt[2061-:14]) - 1:0] dec_fa_error_index; + input wire dec_tlu_flush_lower_wb; + input wire dec_tlu_flush_leak_one_wb; + input wire dec_tlu_bpred_disable; + input wire [55:0] exu_mp_pkt; + input wire [pt[2236-:8] - 1:0] exu_mp_eghr; + input wire [pt[2236-:8] - 1:0] exu_mp_fghr; + input wire [pt[2172-:9]:pt[2163-:6]] exu_mp_index; + input wire [pt[2139-:9] - 1:0] exu_mp_btag; + input wire exu_flush_final; + output wire ifu_bp_hit_taken_f; + output wire [31:1] ifu_bp_btb_target_f; + output wire ifu_bp_inst_mask_f; + output wire [pt[2236-:8] - 1:0] ifu_bp_fghr_f; + output wire [1:0] ifu_bp_way_f; + output wire [1:0] ifu_bp_ret_f; + output wire [1:0] ifu_bp_hist1_f; + output wire [1:0] ifu_bp_hist0_f; + output wire [1:0] ifu_bp_pc4_f; + output wire [1:0] ifu_bp_valid_f; + output wire [11:0] ifu_bp_poffset_f; + output wire [(2 * $clog2(pt[2061-:14])) - 1:0] ifu_bp_fa_index_f; + input wire scan_mode; + localparam BTB_DWIDTH = (pt[2047-:9] + pt[2139-:9]) + 5; + function automatic signed [31:0] sv2v_cast_32_signed; + input reg signed [31:0] inp; + sv2v_cast_32_signed = inp; + endfunction + localparam BTB_DWIDTH_TOP = (sv2v_cast_32_signed(pt[2047-:9]) + sv2v_cast_32_signed(pt[2139-:9])) + 4; + localparam BTB_FA_INDEX = $clog2(pt[2061-:14]) - 1; + localparam FA_CMP_LOWER = $clog2(pt[1095-:11]); + localparam FA_TAG_END_UPPER = ((5 + sv2v_cast_32_signed(pt[2047-:9])) + FA_CMP_LOWER) - 1; + localparam FA_TAG_START_LOWER = (3 + sv2v_cast_32_signed(pt[2047-:9])) + FA_CMP_LOWER; + localparam FA_TAG_END_LOWER = 5 + sv2v_cast_32_signed(pt[2047-:9]); + localparam TAG_START = BTB_DWIDTH - 1; + localparam PC4 = 4; + localparam BOFF = 3; + localparam CALL = 2; + localparam RET = 1; + localparam BV = 0; + localparam LRU_SIZE = pt[2157-:13]; + localparam NUM_BHT_LOOP = (pt[2256-:15] > 16 ? 16 : pt[2256-:15]); + localparam NUM_BHT_LOOP_INNER_HI = (pt[2256-:15] > 16 ? pt[2262-:6] + 3 : pt[2270-:8]); + localparam NUM_BHT_LOOP_OUTER_LO = (pt[2256-:15] > 16 ? pt[2262-:6] + 4 : pt[2262-:6]); + localparam BHT_NO_ADDR_MATCH = pt[2256-:15] <= 16; + wire exu_mp_valid_write; + wire exu_mp_ataken; + wire exu_mp_valid; + wire exu_mp_boffset; + wire exu_mp_pc4; + wire exu_mp_call; + wire exu_mp_ret; + wire exu_mp_ja; + wire [1:0] exu_mp_hist; + wire [11:0] exu_mp_tgt; + wire [pt[2172-:9]:pt[2163-:6]] exu_mp_addr; + wire dec_tlu_br0_v_wb; + wire [1:0] dec_tlu_br0_hist_wb; + wire [pt[2172-:9]:pt[2163-:6]] dec_tlu_br0_addr_wb; + wire dec_tlu_br0_error_wb; + wire dec_tlu_br0_start_error_wb; + wire [pt[2236-:8] - 1:0] exu_i0_br_fghr_wb; + wire use_mp_way; + wire use_mp_way_p1; + wire [(pt[31-:8] * 32) - 1:0] rets_out; + wire [(pt[31-:8] * 32) - 1:0] rets_in; + wire [pt[31-:8] - 1:0] rsenable; + wire [11:0] btb_rd_tgt_f; + wire btb_rd_pc4_f; + wire btb_rd_call_f; + wire btb_rd_ret_f; + wire [1:1] bp_total_branch_offset_f; + wire [31:1] bp_btb_target_adder_f; + wire [31:1] bp_rs_call_target_f; + wire rs_push; + wire rs_pop; + wire rs_hold; + wire [pt[2172-:9]:pt[2163-:6]] btb_rd_addr_p1_f; + wire [pt[2172-:9]:pt[2163-:6]] btb_wr_addr; + wire [pt[2172-:9]:pt[2163-:6]] btb_rd_addr_f; + wire [pt[2139-:9] - 1:0] btb_wr_tag; + wire [pt[2139-:9] - 1:0] fetch_rd_tag_f; + wire [pt[2139-:9] - 1:0] fetch_rd_tag_p1_f; + wire [BTB_DWIDTH - 1:0] btb_wr_data; + wire btb_wr_en_way0; + wire btb_wr_en_way1; + wire dec_tlu_error_wb; + wire btb_valid; + wire dec_tlu_br0_middle_wb; + wire [pt[2172-:9]:pt[2163-:6]] btb_error_addr_wb; + wire branch_error_collision_f; + wire fetch_mp_collision_f; + wire branch_error_collision_p1_f; + wire fetch_mp_collision_p1_f; + wire branch_error_bank_conflict_f; + wire [pt[2236-:8] - 1:0] merged_ghr; + wire [pt[2236-:8] - 1:0] fghr_ns; + wire [pt[2236-:8] - 1:0] fghr; + wire [1:0] num_valids; + wire [LRU_SIZE - 1:0] btb_lru_b0_f; + wire [LRU_SIZE - 1:0] btb_lru_b0_hold; + wire [LRU_SIZE - 1:0] btb_lru_b0_ns; + wire [LRU_SIZE - 1:0] fetch_wrindex_dec; + wire [LRU_SIZE - 1:0] fetch_wrindex_p1_dec; + wire [LRU_SIZE - 1:0] fetch_wrlru_b0; + wire [LRU_SIZE - 1:0] fetch_wrlru_p1_b0; + wire [LRU_SIZE - 1:0] mp_wrindex_dec; + wire [LRU_SIZE - 1:0] mp_wrlru_b0; + wire btb_lru_rd_f; + wire btb_lru_rd_p1_f; + wire lru_update_valid_f; + wire tag_match_way0_f; + wire tag_match_way1_f; + wire [1:0] way_raw; + wire [1:0] bht_dir_f; + wire [1:0] btb_sel_f; + wire [1:0] wayhit_f; + wire [1:0] vwayhit_f; + wire [1:0] wayhit_p1_f; + wire [1:0] bht_valid_f; + wire [1:0] bht_force_taken_f; + wire leak_one_f; + wire leak_one_f_d1; + wire [(LRU_SIZE * BTB_DWIDTH) - 1:0] btb_bank0_rd_data_way0_out; + wire [(LRU_SIZE * BTB_DWIDTH) - 1:0] btb_bank0_rd_data_way1_out; + reg [BTB_DWIDTH - 1:0] btb_bank0_rd_data_way0_f; + reg [BTB_DWIDTH - 1:0] btb_bank0_rd_data_way1_f; + reg [BTB_DWIDTH - 1:0] btb_bank0_rd_data_way0_p1_f; + reg [BTB_DWIDTH - 1:0] btb_bank0_rd_data_way1_p1_f; + reg [BTB_DWIDTH - 1:0] btb_vbank0_rd_data_f; + reg [BTB_DWIDTH - 1:0] btb_vbank1_rd_data_f; + wire final_h; + wire btb_fg_crossing_f; + wire middle_of_bank; + wire [1:0] bht_vbank0_rd_data_f; + wire [1:0] bht_vbank1_rd_data_f; + wire branch_error_bank_conflict_p1_f; + wire tag_match_way0_p1_f; + wire tag_match_way1_p1_f; + wire [1:0] btb_vlru_rd_f; + wire [1:0] fetch_start_f; + wire [1:0] tag_match_vway1_expanded_f; + wire [1:0] tag_match_way0_expanded_p1_f; + wire [1:0] tag_match_way1_expanded_p1_f; + wire [31:2] fetch_addr_p1_f; + wire exu_mp_way; + wire exu_mp_way_f; + wire dec_tlu_br0_way_wb; + wire dec_tlu_way_wb; + wire [BTB_DWIDTH - 1:0] btb_bank0e_rd_data_f; + wire [BTB_DWIDTH - 1:0] btb_bank0e_rd_data_p1_f; + wire [BTB_DWIDTH - 1:0] btb_bank0o_rd_data_f; + wire [1:0] tag_match_way0_expanded_f; + wire [1:0] tag_match_way1_expanded_f; + reg [1:0] bht_bank0_rd_data_f; + reg [1:0] bht_bank1_rd_data_f; + reg [1:0] bht_bank0_rd_data_p1_f; + genvar j; + genvar i; + assign exu_mp_valid = exu_mp_pkt[55] & ~leak_one_f; + assign exu_mp_boffset = exu_mp_pkt[53]; + assign exu_mp_pc4 = exu_mp_pkt[52]; + assign exu_mp_call = exu_mp_pkt[34]; + assign exu_mp_ret = exu_mp_pkt[31]; + assign exu_mp_ja = exu_mp_pkt[33]; + assign exu_mp_way = exu_mp_pkt[32]; + assign exu_mp_hist[1:0] = exu_mp_pkt[51:50]; + assign exu_mp_tgt[11:0] = exu_mp_pkt[49:38]; + assign exu_mp_addr[pt[2172-:9]:pt[2163-:6]] = exu_mp_index[pt[2172-:9]:pt[2163-:6]]; + assign exu_mp_ataken = exu_mp_pkt[54]; + assign dec_tlu_br0_v_wb = dec_tlu_br0_r_pkt[6]; + assign dec_tlu_br0_hist_wb[1:0] = dec_tlu_br0_r_pkt[5:4]; + assign dec_tlu_br0_addr_wb[pt[2172-:9]:pt[2163-:6]] = exu_i0_br_index_r[pt[2172-:9]:pt[2163-:6]]; + assign dec_tlu_br0_error_wb = dec_tlu_br0_r_pkt[3]; + assign dec_tlu_br0_middle_wb = dec_tlu_br0_r_pkt[0]; + assign dec_tlu_br0_way_wb = dec_tlu_br0_r_pkt[1]; + assign dec_tlu_br0_start_error_wb = dec_tlu_br0_r_pkt[2]; + assign exu_i0_br_fghr_wb[pt[2236-:8] - 1:0] = exu_i0_br_fghr_r[pt[2236-:8] - 1:0]; + eb1_btb_addr_hash #(.pt(pt)) f1hash( + .pc(ifc_fetch_addr_f[pt[2079-:9]:pt[2106-:9]]), + .hash(btb_rd_addr_f[pt[2172-:9]:pt[2163-:6]]) + ); + assign fetch_addr_p1_f[31:2] = ifc_fetch_addr_f[31:2] + 30'b000000000000000000000000000001; + eb1_btb_addr_hash #(.pt(pt)) f1hash_p1( + .pc(fetch_addr_p1_f[pt[2079-:9]:pt[2106-:9]]), + .hash(btb_rd_addr_p1_f[pt[2172-:9]:pt[2163-:6]]) + ); + assign btb_sel_f[1] = ~bht_dir_f[0]; + assign btb_sel_f[0] = bht_dir_f[0]; + assign fetch_start_f[1:0] = {ifc_fetch_addr_f[1], ~ifc_fetch_addr_f[1]}; + assign branch_error_collision_f = dec_tlu_error_wb & (btb_error_addr_wb[pt[2172-:9]:pt[2163-:6]] == btb_rd_addr_f[pt[2172-:9]:pt[2163-:6]]); + assign branch_error_collision_p1_f = dec_tlu_error_wb & (btb_error_addr_wb[pt[2172-:9]:pt[2163-:6]] == btb_rd_addr_p1_f[pt[2172-:9]:pt[2163-:6]]); + assign branch_error_bank_conflict_f = branch_error_collision_f & dec_tlu_error_wb; + assign branch_error_bank_conflict_p1_f = branch_error_collision_p1_f & dec_tlu_error_wb; + assign leak_one_f = (dec_tlu_flush_leak_one_wb & dec_tlu_flush_lower_wb) | (leak_one_f_d1 & ~dec_tlu_flush_lower_wb); + wire exu_flush_final_d1; + generate + if (!pt[2120-:5]) begin + assign fetch_mp_collision_f = (((exu_mp_btag[pt[2139-:9] - 1:0] == fetch_rd_tag_f[pt[2139-:9] - 1:0]) & exu_mp_valid) & ifc_fetch_req_f) & (exu_mp_addr[pt[2172-:9]:pt[2163-:6]] == btb_rd_addr_f[pt[2172-:9]:pt[2163-:6]]); + assign fetch_mp_collision_p1_f = (((exu_mp_btag[pt[2139-:9] - 1:0] == fetch_rd_tag_p1_f[pt[2139-:9] - 1:0]) & exu_mp_valid) & ifc_fetch_req_f) & (exu_mp_addr[pt[2172-:9]:pt[2163-:6]] == btb_rd_addr_p1_f[pt[2172-:9]:pt[2163-:6]]); + assign tag_match_way0_f = (((btb_bank0_rd_data_way0_f[BV] & (btb_bank0_rd_data_way0_f[TAG_START:17] == fetch_rd_tag_f[pt[2139-:9] - 1:0])) & ~(dec_tlu_way_wb & branch_error_bank_conflict_f)) & ifc_fetch_req_f) & ~leak_one_f; + assign tag_match_way1_f = (((btb_bank0_rd_data_way1_f[BV] & (btb_bank0_rd_data_way1_f[TAG_START:17] == fetch_rd_tag_f[pt[2139-:9] - 1:0])) & ~(dec_tlu_way_wb & branch_error_bank_conflict_f)) & ifc_fetch_req_f) & ~leak_one_f; + assign tag_match_way0_p1_f = (((btb_bank0_rd_data_way0_p1_f[BV] & (btb_bank0_rd_data_way0_p1_f[TAG_START:17] == fetch_rd_tag_p1_f[pt[2139-:9] - 1:0])) & ~(dec_tlu_way_wb & branch_error_bank_conflict_p1_f)) & ifc_fetch_req_f) & ~leak_one_f; + assign tag_match_way1_p1_f = (((btb_bank0_rd_data_way1_p1_f[BV] & (btb_bank0_rd_data_way1_p1_f[TAG_START:17] == fetch_rd_tag_p1_f[pt[2139-:9] - 1:0])) & ~(dec_tlu_way_wb & branch_error_bank_conflict_p1_f)) & ifc_fetch_req_f) & ~leak_one_f; + assign tag_match_way0_expanded_f[1:0] = {tag_match_way0_f & (btb_bank0_rd_data_way0_f[BOFF] ^ btb_bank0_rd_data_way0_f[PC4]), tag_match_way0_f & ~(btb_bank0_rd_data_way0_f[BOFF] ^ btb_bank0_rd_data_way0_f[PC4])}; + assign tag_match_way1_expanded_f[1:0] = {tag_match_way1_f & (btb_bank0_rd_data_way1_f[BOFF] ^ btb_bank0_rd_data_way1_f[PC4]), tag_match_way1_f & ~(btb_bank0_rd_data_way1_f[BOFF] ^ btb_bank0_rd_data_way1_f[PC4])}; + assign tag_match_way0_expanded_p1_f[1:0] = {tag_match_way0_p1_f & (btb_bank0_rd_data_way0_p1_f[BOFF] ^ btb_bank0_rd_data_way0_p1_f[PC4]), tag_match_way0_p1_f & ~(btb_bank0_rd_data_way0_p1_f[BOFF] ^ btb_bank0_rd_data_way0_p1_f[PC4])}; + assign tag_match_way1_expanded_p1_f[1:0] = {tag_match_way1_p1_f & (btb_bank0_rd_data_way1_p1_f[BOFF] ^ btb_bank0_rd_data_way1_p1_f[PC4]), tag_match_way1_p1_f & ~(btb_bank0_rd_data_way1_p1_f[BOFF] ^ btb_bank0_rd_data_way1_p1_f[PC4])}; + assign wayhit_f[1:0] = tag_match_way0_expanded_f[1:0] | tag_match_way1_expanded_f[1:0]; + assign wayhit_p1_f[1:0] = tag_match_way0_expanded_p1_f[1:0] | tag_match_way1_expanded_p1_f[1:0]; + assign btb_bank0o_rd_data_f[BTB_DWIDTH - 1:0] = ({17 + pt[2139-:9] {tag_match_way0_expanded_f[1]}} & btb_bank0_rd_data_way0_f[BTB_DWIDTH - 1:0]) | ({17 + pt[2139-:9] {tag_match_way1_expanded_f[1]}} & btb_bank0_rd_data_way1_f[BTB_DWIDTH - 1:0]); + assign btb_bank0e_rd_data_f[BTB_DWIDTH - 1:0] = ({17 + pt[2139-:9] {tag_match_way0_expanded_f[0]}} & btb_bank0_rd_data_way0_f[BTB_DWIDTH - 1:0]) | ({17 + pt[2139-:9] {tag_match_way1_expanded_f[0]}} & btb_bank0_rd_data_way1_f[BTB_DWIDTH - 1:0]); + assign btb_bank0e_rd_data_p1_f[BTB_DWIDTH - 1:0] = ({17 + pt[2139-:9] {tag_match_way0_expanded_p1_f[0]}} & btb_bank0_rd_data_way0_p1_f[BTB_DWIDTH - 1:0]) | ({17 + pt[2139-:9] {tag_match_way1_expanded_p1_f[0]}} & btb_bank0_rd_data_way1_p1_f[BTB_DWIDTH - 1:0]); + wire [BTB_DWIDTH:1] sv2v_tmp_F09CF; + assign sv2v_tmp_F09CF = ({17 + pt[2139-:9] {fetch_start_f[0]}} & btb_bank0e_rd_data_f[BTB_DWIDTH - 1:0]) | ({17 + pt[2139-:9] {fetch_start_f[1]}} & btb_bank0o_rd_data_f[BTB_DWIDTH - 1:0]); + always @(*) btb_vbank0_rd_data_f[BTB_DWIDTH - 1:0] = sv2v_tmp_F09CF; + wire [BTB_DWIDTH:1] sv2v_tmp_BEF15; + assign sv2v_tmp_BEF15 = ({17 + pt[2139-:9] {fetch_start_f[0]}} & btb_bank0o_rd_data_f[BTB_DWIDTH - 1:0]) | ({17 + pt[2139-:9] {fetch_start_f[1]}} & btb_bank0e_rd_data_p1_f[BTB_DWIDTH - 1:0]); + always @(*) btb_vbank1_rd_data_f[BTB_DWIDTH - 1:0] = sv2v_tmp_BEF15; + assign way_raw[1:0] = tag_match_vway1_expanded_f[1:0] | (~vwayhit_f[1:0] & btb_vlru_rd_f[1:0]); + assign mp_wrindex_dec[LRU_SIZE - 1:0] = {{LRU_SIZE - 1 {1'b0}}, 1'b1} << exu_mp_addr[pt[2172-:9]:pt[2163-:6]]; + assign fetch_wrindex_dec[LRU_SIZE - 1:0] = {{LRU_SIZE - 1 {1'b0}}, 1'b1} << btb_rd_addr_f[pt[2172-:9]:pt[2163-:6]]; + assign fetch_wrindex_p1_dec[LRU_SIZE - 1:0] = {{LRU_SIZE - 1 {1'b0}}, 1'b1} << btb_rd_addr_p1_f[pt[2172-:9]:pt[2163-:6]]; + assign mp_wrlru_b0[LRU_SIZE - 1:0] = mp_wrindex_dec[LRU_SIZE - 1:0] & {LRU_SIZE {exu_mp_valid}}; + assign btb_lru_b0_hold[LRU_SIZE - 1:0] = ~mp_wrlru_b0[LRU_SIZE - 1:0] & ~fetch_wrlru_b0[LRU_SIZE - 1:0]; + assign use_mp_way = fetch_mp_collision_f; + assign use_mp_way_p1 = fetch_mp_collision_p1_f; + assign lru_update_valid_f = ((vwayhit_f[0] | vwayhit_f[1]) & ifc_fetch_req_f) & ~leak_one_f; + assign fetch_wrlru_b0[LRU_SIZE - 1:0] = fetch_wrindex_dec[LRU_SIZE - 1:0] & {LRU_SIZE {lru_update_valid_f}}; + assign fetch_wrlru_p1_b0[LRU_SIZE - 1:0] = fetch_wrindex_p1_dec[LRU_SIZE - 1:0] & {LRU_SIZE {lru_update_valid_f}}; + assign btb_lru_b0_ns[LRU_SIZE - 1:0] = (((btb_lru_b0_hold[LRU_SIZE - 1:0] & btb_lru_b0_f[LRU_SIZE - 1:0]) | (mp_wrlru_b0[LRU_SIZE - 1:0] & {LRU_SIZE {~exu_mp_way}})) | (fetch_wrlru_b0[LRU_SIZE - 1:0] & {LRU_SIZE {tag_match_way0_f}})) | (fetch_wrlru_p1_b0[LRU_SIZE - 1:0] & {LRU_SIZE {tag_match_way0_p1_f}}); + assign btb_lru_rd_f = (use_mp_way ? exu_mp_way_f : |(fetch_wrindex_dec[LRU_SIZE - 1:0] & btb_lru_b0_f[LRU_SIZE - 1:0])); + assign btb_lru_rd_p1_f = (use_mp_way_p1 ? exu_mp_way_f : |(fetch_wrindex_p1_dec[LRU_SIZE - 1:0] & btb_lru_b0_f[LRU_SIZE - 1:0])); + assign btb_vlru_rd_f[1:0] = ({2 {fetch_start_f[0]}} & {btb_lru_rd_f, btb_lru_rd_f}) | ({2 {fetch_start_f[1]}} & {btb_lru_rd_p1_f, btb_lru_rd_f}); + assign tag_match_vway1_expanded_f[1:0] = ({2 {fetch_start_f[0]}} & {tag_match_way1_expanded_f[1:0]}) | ({2 {fetch_start_f[1]}} & {tag_match_way1_expanded_p1_f[0], tag_match_way1_expanded_f[1]}); + rvdffe #(.WIDTH(LRU_SIZE)) btb_lru_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(ifc_fetch_req_f | exu_mp_valid), + .din(btb_lru_b0_ns[LRU_SIZE - 1:0]), + .dout(btb_lru_b0_f[LRU_SIZE - 1:0]) + ); + end + endgenerate + wire eoc_near; + wire eoc_mask; + assign eoc_near = &ifc_fetch_addr_f[pt[1182-:8]:3]; + assign eoc_mask = ~eoc_near | |(~ifc_fetch_addr_f[2:1]); + wire [16:1] btb_sel_data_f; + assign btb_rd_tgt_f[11:0] = btb_sel_data_f[16:5]; + assign btb_rd_pc4_f = btb_sel_data_f[4]; + assign btb_rd_call_f = btb_sel_data_f[2]; + assign btb_rd_ret_f = btb_sel_data_f[1]; + assign btb_sel_data_f[16:1] = ({16 {btb_sel_f[1]}} & btb_vbank1_rd_data_f[16:1]) | ({16 {btb_sel_f[0]}} & btb_vbank0_rd_data_f[16:1]); + wire [1:0] hist0_raw; + wire [1:0] hist1_raw; + wire [1:0] pc4_raw; + wire [1:0] pret_raw; + assign ifu_bp_hit_taken_f = ((|(vwayhit_f[1:0] & hist1_raw[1:0]) & ifc_fetch_req_f) & ~leak_one_f_d1) & ~dec_tlu_bpred_disable; + assign bht_force_taken_f[1:0] = {btb_vbank1_rd_data_f[CALL] | btb_vbank1_rd_data_f[RET], btb_vbank0_rd_data_f[CALL] | btb_vbank0_rd_data_f[RET]}; + assign bht_valid_f[1:0] = vwayhit_f[1:0]; + assign bht_vbank0_rd_data_f[1:0] = ({2 {fetch_start_f[0]}} & bht_bank0_rd_data_f[1:0]) | ({2 {fetch_start_f[1]}} & bht_bank1_rd_data_f[1:0]); + assign bht_vbank1_rd_data_f[1:0] = ({2 {fetch_start_f[0]}} & bht_bank1_rd_data_f[1:0]) | ({2 {fetch_start_f[1]}} & bht_bank0_rd_data_p1_f[1:0]); + assign bht_dir_f[1:0] = {(bht_force_taken_f[1] | bht_vbank1_rd_data_f[1]) & bht_valid_f[1], (bht_force_taken_f[0] | bht_vbank0_rd_data_f[1]) & bht_valid_f[0]}; + assign ifu_bp_inst_mask_f = (ifu_bp_hit_taken_f & btb_sel_f[1]) | ~ifu_bp_hit_taken_f; + assign hist1_raw[1:0] = bht_force_taken_f[1:0] | {bht_vbank1_rd_data_f[1], bht_vbank0_rd_data_f[1]}; + assign hist0_raw[1:0] = {bht_vbank1_rd_data_f[0], bht_vbank0_rd_data_f[0]}; + assign pc4_raw[1:0] = {vwayhit_f[1] & btb_vbank1_rd_data_f[PC4], vwayhit_f[0] & btb_vbank0_rd_data_f[PC4]}; + assign pret_raw[1:0] = {(vwayhit_f[1] & ~btb_vbank1_rd_data_f[CALL]) & btb_vbank1_rd_data_f[RET], (vwayhit_f[0] & ~btb_vbank0_rd_data_f[CALL]) & btb_vbank0_rd_data_f[RET]}; + function [1:0] countones; + input [1:0] valid; + countones[1:0] = {2'b00, valid[1]} + {2'b00, valid[0]}; + endfunction + assign num_valids[1:0] = countones(bht_valid_f[1:0]); + assign final_h = |(btb_sel_f[1:0] & bht_dir_f[1:0]); + assign merged_ghr[pt[2236-:8] - 1:0] = (({pt[2236-:8] {num_valids[1:0] == 2'h2}} & {fghr[pt[2236-:8] - 3:0], 1'b0, final_h}) | ({pt[2236-:8] {num_valids[1:0] == 2'h1}} & {fghr[pt[2236-:8] - 2:0], final_h})) | ({pt[2236-:8] {num_valids[1:0] == 2'h0}} & {fghr[pt[2236-:8] - 1:0]}); + wire [pt[2236-:8] - 1:0] exu_flush_ghr; + assign exu_flush_ghr[pt[2236-:8] - 1:0] = exu_mp_fghr[pt[2236-:8] - 1:0]; + assign fghr_ns[pt[2236-:8] - 1:0] = (({pt[2236-:8] {exu_flush_final_d1}} & exu_flush_ghr[pt[2236-:8] - 1:0]) | ({pt[2236-:8] {((~exu_flush_final_d1 & ifc_fetch_req_f) & ic_hit_f) & ~leak_one_f_d1}} & merged_ghr[pt[2236-:8] - 1:0])) | ({pt[2236-:8] {~exu_flush_final_d1 & ~((ifc_fetch_req_f & ic_hit_f) & ~leak_one_f_d1)}} & fghr[pt[2236-:8] - 1:0]); + rvdffie #( + .WIDTH(pt[2236-:8] + 3), + .OVERRIDE(1) + ) fetchghr( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din({exu_flush_final, exu_mp_way, leak_one_f, fghr_ns[pt[2236-:8] - 1:0]}), + .dout({exu_flush_final_d1, exu_mp_way_f, leak_one_f_d1, fghr[pt[2236-:8] - 1:0]}) + ); + assign ifu_bp_fghr_f[pt[2236-:8] - 1:0] = fghr[pt[2236-:8] - 1:0]; + assign ifu_bp_way_f[1:0] = way_raw[1:0]; + assign ifu_bp_hist1_f[1:0] = hist1_raw[1:0]; + assign ifu_bp_hist0_f[1:0] = hist0_raw[1:0]; + assign ifu_bp_pc4_f[1:0] = pc4_raw[1:0]; + assign ifu_bp_valid_f[1:0] = vwayhit_f[1:0] & ~{2 {dec_tlu_bpred_disable}}; + assign ifu_bp_ret_f[1:0] = pret_raw[1:0]; + wire [1:0] bloc_f; + wire use_fa_plus; + assign bloc_f[1] = (bht_dir_f[0] & ~fetch_start_f[0]) | (~bht_dir_f[0] & fetch_start_f[0]); + assign bloc_f[0] = (bht_dir_f[0] & fetch_start_f[0]) | (~bht_dir_f[0] & ~fetch_start_f[0]); + assign use_fa_plus = (~bht_dir_f[0] & ~fetch_start_f[0]) & ~btb_rd_pc4_f; + assign btb_fg_crossing_f = (fetch_start_f[0] & btb_sel_f[0]) & btb_rd_pc4_f; + assign bp_total_branch_offset_f = bloc_f[1] ^ btb_rd_pc4_f; + wire [31:2] adder_pc_in_f; + wire [31:2] ifc_fetch_adder_prior; + rvdfflie #( + .WIDTH(30), + .LEFT(19) + ) faddrf_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en((ifc_fetch_req_f & ~ifu_bp_hit_taken_f) & ic_hit_f), + .din(ifc_fetch_addr_f[31:2]), + .dout(ifc_fetch_adder_prior[31:2]) + ); + assign ifu_bp_poffset_f[11:0] = btb_rd_tgt_f[11:0]; + assign adder_pc_in_f[31:2] = (({30 {use_fa_plus}} & fetch_addr_p1_f[31:2]) | ({30 {btb_fg_crossing_f}} & ifc_fetch_adder_prior[31:2])) | ({30 {~btb_fg_crossing_f & ~use_fa_plus}} & ifc_fetch_addr_f[31:2]); + rvbradder predtgt_addr( + .pc({adder_pc_in_f[31:2], bp_total_branch_offset_f}), + .offset(btb_rd_tgt_f[11:0]), + .dout(bp_btb_target_adder_f[31:1]) + ); + assign ifu_bp_btb_target_f[31:1] = ({31 {((btb_rd_ret_f & ~btb_rd_call_f) & rets_out[0]) & ifu_bp_hit_taken_f}} & rets_out[31-:31]) | ({31 {~((btb_rd_ret_f & ~btb_rd_call_f) & rets_out[0]) & ifu_bp_hit_taken_f}} & bp_btb_target_adder_f[31:1]); + rvbradder rs_addr( + .pc({adder_pc_in_f[31:2], bp_total_branch_offset_f}), + .offset({11'b00000000000, ~btb_rd_pc4_f}), + .dout(bp_rs_call_target_f[31:1]) + ); + assign rs_push = (btb_rd_call_f & ~btb_rd_ret_f) & ifu_bp_hit_taken_f; + assign rs_pop = (btb_rd_ret_f & ~btb_rd_call_f) & ifu_bp_hit_taken_f; + assign rs_hold = ~rs_push & ~rs_pop; + assign rets_in[31-:32] = ({32 {rs_push}} & {bp_rs_call_target_f[31:1], 1'b1}) | ({32 {rs_pop}} & rets_out[63-:32]); + assign rsenable[0] = ~rs_hold; + generate + for (i = 0; i < pt[31-:8]; i = i + 1) begin : retstack + if (i == (pt[31-:8] - 1)) begin + assign rets_in[(i * 32) + 31-:32] = rets_out[((i - 1) * 32) + 31-:32]; + assign rsenable[i] = rs_push; + end + else if (i > 0) begin + assign rets_in[(i * 32) + 31-:32] = ({32 {rs_push}} & rets_out[((i - 1) * 32) + 31-:32]) | ({32 {rs_pop}} & rets_out[((i + 1) * 32) + 31-:32]); + assign rsenable[i] = rs_push | rs_pop; + end + rvdffe #(.WIDTH(32)) rets_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(rsenable[i]), + .din(rets_in[(i * 32) + 31-:32]), + .dout(rets_out[(i * 32) + 31-:32]) + ); + end + endgenerate + assign dec_tlu_error_wb = dec_tlu_br0_start_error_wb | dec_tlu_br0_error_wb; + assign btb_error_addr_wb[pt[2172-:9]:pt[2163-:6]] = dec_tlu_br0_addr_wb[pt[2172-:9]:pt[2163-:6]]; + assign dec_tlu_way_wb = dec_tlu_br0_way_wb; + assign btb_valid = exu_mp_valid & ~dec_tlu_error_wb; + assign btb_wr_tag[pt[2139-:9] - 1:0] = exu_mp_btag[pt[2139-:9] - 1:0]; + generate + if (!pt[2120-:5]) begin + if (pt[2144-:5]) begin : btbfold + eb1_btb_tag_hash_fold #(.pt(pt)) rdtagf( + .hash(fetch_rd_tag_f[pt[2139-:9] - 1:0]), + .pc({ifc_fetch_addr_f[(pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1]}) + ); + eb1_btb_tag_hash_fold #(.pt(pt)) rdtagp1f( + .hash(fetch_rd_tag_p1_f[pt[2139-:9] - 1:0]), + .pc({fetch_addr_p1_f[(pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1]}) + ); + end + else begin + eb1_btb_tag_hash #(.pt(pt)) rdtagf( + .hash(fetch_rd_tag_f[pt[2139-:9] - 1:0]), + .pc({ifc_fetch_addr_f[((pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1]}) + ); + eb1_btb_tag_hash #(.pt(pt)) rdtagp1f( + .hash(fetch_rd_tag_p1_f[pt[2139-:9] - 1:0]), + .pc({fetch_addr_p1_f[((pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1]}) + ); + end + assign btb_wr_en_way0 = {(~exu_mp_way & exu_mp_valid_write) & ~dec_tlu_error_wb} | {~dec_tlu_way_wb & dec_tlu_error_wb}; + assign btb_wr_en_way1 = {(exu_mp_way & exu_mp_valid_write) & ~dec_tlu_error_wb} | {dec_tlu_way_wb & dec_tlu_error_wb}; + assign btb_wr_addr[pt[2172-:9]:pt[2163-:6]] = (dec_tlu_error_wb ? btb_error_addr_wb[pt[2172-:9]:pt[2163-:6]] : exu_mp_addr[pt[2172-:9]:pt[2163-:6]]); + assign vwayhit_f[1:0] = (({2 {fetch_start_f[0]}} & {wayhit_f[1:0]}) | ({2 {fetch_start_f[1]}} & {wayhit_p1_f[0], wayhit_f[1]})) & {eoc_mask, 1'b1}; + end + endgenerate + assign btb_wr_data[BTB_DWIDTH - 1:0] = {btb_wr_tag[pt[2139-:9] - 1:0], exu_mp_tgt[pt[2047-:9] - 1:0], exu_mp_pc4, exu_mp_boffset, exu_mp_call | exu_mp_ja, exu_mp_ret | exu_mp_ja, btb_valid}; + assign exu_mp_valid_write = (exu_mp_valid & exu_mp_ataken) & ~exu_mp_pkt[37]; + wire [1:0] bht_wr_data0; + wire [1:0] bht_wr_data2; + wire [1:0] bht_wr_en0; + wire [1:0] bht_wr_en2; + assign middle_of_bank = exu_mp_pc4 ^ exu_mp_boffset; + assign bht_wr_en0[1:0] = {2 {((exu_mp_valid & ~exu_mp_call) & ~exu_mp_ret) & ~exu_mp_ja}} & {middle_of_bank, ~middle_of_bank}; + assign bht_wr_en2[1:0] = {2 {dec_tlu_br0_v_wb}} & {dec_tlu_br0_middle_wb, ~dec_tlu_br0_middle_wb}; + assign bht_wr_data0[1:0] = exu_mp_hist[1:0]; + assign bht_wr_data2[1:0] = dec_tlu_br0_hist_wb[1:0]; + wire [pt[2270-:8]:pt[2262-:6]] bht_rd_addr_f; + wire [pt[2270-:8]:pt[2262-:6]] bht_rd_addr_p1_f; + wire [pt[2270-:8]:pt[2262-:6]] bht_wr_addr0; + wire [pt[2270-:8]:pt[2262-:6]] bht_wr_addr2; + wire [pt[2270-:8]:pt[2262-:6]] mp_hashed; + wire [pt[2270-:8]:pt[2262-:6]] br0_hashed_wb; + wire [pt[2270-:8]:pt[2262-:6]] bht_rd_addr_hashed_f; + wire [pt[2270-:8]:pt[2262-:6]] bht_rd_addr_hashed_p1_f; + eb1_btb_ghr_hash #(.pt(pt)) mpghrhs( + .hashin(exu_mp_addr[pt[2172-:9]:pt[2163-:6]]), + .ghr(exu_mp_eghr[pt[2236-:8] - 1:0]), + .hash(mp_hashed[pt[2270-:8]:pt[2262-:6]]) + ); + eb1_btb_ghr_hash #(.pt(pt)) br0ghrhs( + .hashin(dec_tlu_br0_addr_wb[pt[2172-:9]:pt[2163-:6]]), + .ghr(exu_i0_br_fghr_wb[pt[2236-:8] - 1:0]), + .hash(br0_hashed_wb[pt[2270-:8]:pt[2262-:6]]) + ); + eb1_btb_ghr_hash #(.pt(pt)) fghrhs( + .hashin(btb_rd_addr_f[pt[2172-:9]:pt[2163-:6]]), + .ghr(fghr[pt[2236-:8] - 1:0]), + .hash(bht_rd_addr_hashed_f[pt[2270-:8]:pt[2262-:6]]) + ); + eb1_btb_ghr_hash #(.pt(pt)) fghrhs_p1( + .hashin(btb_rd_addr_p1_f[pt[2172-:9]:pt[2163-:6]]), + .ghr(fghr[pt[2236-:8] - 1:0]), + .hash(bht_rd_addr_hashed_p1_f[pt[2270-:8]:pt[2262-:6]]) + ); + assign bht_wr_addr0[pt[2270-:8]:pt[2262-:6]] = mp_hashed[pt[2270-:8]:pt[2262-:6]]; + assign bht_wr_addr2[pt[2270-:8]:pt[2262-:6]] = br0_hashed_wb[pt[2270-:8]:pt[2262-:6]]; + assign bht_rd_addr_f[pt[2270-:8]:pt[2262-:6]] = bht_rd_addr_hashed_f[pt[2270-:8]:pt[2262-:6]]; + assign bht_rd_addr_p1_f[pt[2270-:8]:pt[2262-:6]] = bht_rd_addr_hashed_p1_f[pt[2270-:8]:pt[2262-:6]]; + generate + if (!pt[2120-:5]) begin + for (j = 0; j < LRU_SIZE; j = j + 1) begin : BTB_FLOPS + rvdffe #(.WIDTH(17 + pt[2139-:9])) btb_bank0_way0( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en((btb_wr_addr[pt[2172-:9]:pt[2163-:6]] == j) & btb_wr_en_way0), + .din(btb_wr_data[BTB_DWIDTH - 1:0]), + .dout(btb_bank0_rd_data_way0_out[j * BTB_DWIDTH+:BTB_DWIDTH]) + ); + rvdffe #(.WIDTH(17 + pt[2139-:9])) btb_bank0_way1( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en((btb_wr_addr[pt[2172-:9]:pt[2163-:6]] == j) & btb_wr_en_way1), + .din(btb_wr_data[BTB_DWIDTH - 1:0]), + .dout(btb_bank0_rd_data_way1_out[j * BTB_DWIDTH+:BTB_DWIDTH]) + ); + end + function automatic signed [((pt[2172-:9] - pt[2163-:6]) >= 0 ? (pt[2172-:9] - pt[2163-:6]) + 1 : 1 - (pt[2172-:9] - pt[2163-:6])) - 1:0] sv2v_cast_C4842_signed; + input reg signed [((pt[2172-:9] - pt[2163-:6]) >= 0 ? (pt[2172-:9] - pt[2163-:6]) + 1 : 1 - (pt[2172-:9] - pt[2163-:6])) - 1:0] inp; + sv2v_cast_C4842_signed = inp; + endfunction + always @(*) begin : BTB_rd_mux + btb_bank0_rd_data_way0_f[BTB_DWIDTH - 1:0] = {BTB_DWIDTH {1'sb0}}; + btb_bank0_rd_data_way1_f[BTB_DWIDTH - 1:0] = {BTB_DWIDTH {1'sb0}}; + btb_bank0_rd_data_way0_p1_f[BTB_DWIDTH - 1:0] = {BTB_DWIDTH {1'sb0}}; + btb_bank0_rd_data_way1_p1_f[BTB_DWIDTH - 1:0] = {BTB_DWIDTH {1'sb0}}; + begin : sv2v_autoblock_43 + reg signed [31:0] j; + for (j = 0; j < LRU_SIZE; j = j + 1) + if (btb_rd_addr_f[pt[2172-:9]:pt[2163-:6]] == sv2v_cast_C4842_signed(j)) begin + btb_bank0_rd_data_way0_f[BTB_DWIDTH - 1:0] = btb_bank0_rd_data_way0_out[j * BTB_DWIDTH+:BTB_DWIDTH]; + btb_bank0_rd_data_way1_f[BTB_DWIDTH - 1:0] = btb_bank0_rd_data_way1_out[j * BTB_DWIDTH+:BTB_DWIDTH]; + end + end + begin : sv2v_autoblock_44 + reg signed [31:0] j; + for (j = 0; j < LRU_SIZE; j = j + 1) + if (btb_rd_addr_p1_f[pt[2172-:9]:pt[2163-:6]] == sv2v_cast_C4842_signed(j)) begin + btb_bank0_rd_data_way0_p1_f[BTB_DWIDTH - 1:0] = btb_bank0_rd_data_way0_out[j * BTB_DWIDTH+:BTB_DWIDTH]; + btb_bank0_rd_data_way1_p1_f[BTB_DWIDTH - 1:0] = btb_bank0_rd_data_way1_out[j * BTB_DWIDTH+:BTB_DWIDTH]; + end + end + end + end + endgenerate + generate + if (pt[2120-:5]) begin : fa + reg found1; + reg hit0; + reg hit1; + wire btb_used_reset; + wire write_used; + reg [$clog2(pt[2061-:14]) - 1:0] btb_fa_wr_addr0; + reg [$clog2(pt[2061-:14]) - 1:0] hit0_index; + reg [$clog2(pt[2061-:14]) - 1:0] hit1_index; + reg [pt[2061-:14] - 1:0] btb_tag_hit; + reg [pt[2061-:14] - 1:0] btb_offset_0; + reg [pt[2061-:14] - 1:0] btb_offset_1; + wire [pt[2061-:14] - 1:0] btb_used_ns; + wire [pt[2061-:14] - 1:0] btb_used; + wire [pt[2061-:14] - 1:0] wr0_en; + reg [pt[2061-:14] - 1:0] btb_upper_hit; + wire [(pt[2061-:14] * BTB_DWIDTH) - 1:0] btbdata; + wire [FA_CMP_LOWER - 1:1] ifc_fetch_addr_p1_f; + assign ifc_fetch_addr_p1_f[FA_CMP_LOWER - 1:1] = ifc_fetch_addr_f[FA_CMP_LOWER - 1:1] + 1'b1; + assign fetch_mp_collision_f = (((exu_mp_btag[pt[2139-:9] - 1:0] == ifc_fetch_addr_f[31:1]) & exu_mp_valid) & ifc_fetch_req_f) & ~exu_mp_pkt[32]; + assign fetch_mp_collision_p1_f = (((exu_mp_btag[pt[2139-:9] - 1:0] == {ifc_fetch_addr_f[31:FA_CMP_LOWER], ifc_fetch_addr_p1_f[FA_CMP_LOWER - 1:1]}) & exu_mp_valid) & ifc_fetch_req_f) & ~exu_mp_pkt[32]; + function automatic signed [(BTB_FA_INDEX >= 0 ? BTB_FA_INDEX + 1 : 1 - BTB_FA_INDEX) - 1:0] sv2v_cast_50CAB_signed; + input reg signed [(BTB_FA_INDEX >= 0 ? BTB_FA_INDEX + 1 : 1 - BTB_FA_INDEX) - 1:0] inp; + sv2v_cast_50CAB_signed = inp; + endfunction + always @(*) begin + btb_vbank0_rd_data_f = {BTB_DWIDTH {1'sb0}}; + btb_vbank1_rd_data_f = {BTB_DWIDTH {1'sb0}}; + btb_tag_hit = {pt[2061-:14] {1'sb0}}; + btb_upper_hit = {pt[2061-:14] {1'sb0}}; + btb_offset_0 = {pt[2061-:14] {1'sb0}}; + btb_offset_1 = {pt[2061-:14] {1'sb0}}; + found1 = 1'b0; + hit0 = 1'b0; + hit1 = 1'b0; + hit0_index = {$clog2(pt[2061-:14]) {1'sb0}}; + hit1_index = {$clog2(pt[2061-:14]) {1'sb0}}; + btb_fa_wr_addr0 = {$clog2(pt[2061-:14]) {1'sb0}}; + begin : sv2v_autoblock_45 + reg signed [31:0] i; + for (i = 0; i < pt[2061-:14]; i = i + 1) + begin + btb_upper_hit[i] = ((btbdata[(i * BTB_DWIDTH) + (BTB_DWIDTH_TOP >= FA_TAG_END_UPPER ? BTB_DWIDTH_TOP : (BTB_DWIDTH_TOP + (BTB_DWIDTH_TOP >= FA_TAG_END_UPPER ? (BTB_DWIDTH_TOP - FA_TAG_END_UPPER) + 1 : (FA_TAG_END_UPPER - BTB_DWIDTH_TOP) + 1)) - 1)-:(BTB_DWIDTH_TOP >= FA_TAG_END_UPPER ? (BTB_DWIDTH_TOP - FA_TAG_END_UPPER) + 1 : (FA_TAG_END_UPPER - BTB_DWIDTH_TOP) + 1)] == ifc_fetch_addr_f[31:FA_CMP_LOWER]) & btbdata[i * BTB_DWIDTH]) & ~wr0_en[i]; + btb_offset_0[i] = (btbdata[(i * BTB_DWIDTH) + (FA_TAG_START_LOWER >= FA_TAG_END_LOWER ? FA_TAG_START_LOWER : (FA_TAG_START_LOWER + (FA_TAG_START_LOWER >= FA_TAG_END_LOWER ? (FA_TAG_START_LOWER - FA_TAG_END_LOWER) + 1 : (FA_TAG_END_LOWER - FA_TAG_START_LOWER) + 1)) - 1)-:(FA_TAG_START_LOWER >= FA_TAG_END_LOWER ? (FA_TAG_START_LOWER - FA_TAG_END_LOWER) + 1 : (FA_TAG_END_LOWER - FA_TAG_START_LOWER) + 1)] == ifc_fetch_addr_f[FA_CMP_LOWER - 1:1]) & btb_upper_hit[i]; + btb_offset_1[i] = (btbdata[(i * BTB_DWIDTH) + (FA_TAG_START_LOWER >= FA_TAG_END_LOWER ? FA_TAG_START_LOWER : (FA_TAG_START_LOWER + (FA_TAG_START_LOWER >= FA_TAG_END_LOWER ? (FA_TAG_START_LOWER - FA_TAG_END_LOWER) + 1 : (FA_TAG_END_LOWER - FA_TAG_START_LOWER) + 1)) - 1)-:(FA_TAG_START_LOWER >= FA_TAG_END_LOWER ? (FA_TAG_START_LOWER - FA_TAG_END_LOWER) + 1 : (FA_TAG_END_LOWER - FA_TAG_START_LOWER) + 1)] == ifc_fetch_addr_p1_f[FA_CMP_LOWER - 1:1]) & btb_upper_hit[i]; + if (~hit0) + if (btb_offset_0[i]) begin + hit0_index[BTB_FA_INDEX:0] = sv2v_cast_50CAB_signed(i); + hit0 = 1'b1; + end + if (~hit1) + if (btb_offset_1[i]) begin + hit1_index[BTB_FA_INDEX:0] = sv2v_cast_50CAB_signed(i); + hit1 = 1'b1; + end + if (btb_offset_0[i] == 1'b1) + btb_vbank0_rd_data_f[BTB_DWIDTH - 1:0] = (fetch_mp_collision_f ? btb_wr_data : btbdata[i * BTB_DWIDTH+:BTB_DWIDTH]); + if (btb_offset_1[i] == 1'b1) + btb_vbank1_rd_data_f[BTB_DWIDTH - 1:0] = (fetch_mp_collision_p1_f ? btb_wr_data : btbdata[i * BTB_DWIDTH+:BTB_DWIDTH]); + if (~found1) + if (~btb_used[i]) begin + btb_fa_wr_addr0[BTB_FA_INDEX:0] = i[BTB_FA_INDEX:0]; + found1 = 1'b1; + end + end + end + end + assign vwayhit_f[1:0] = {hit1, hit0} & {eoc_mask, 1'b1}; + assign way_raw[1:0] = vwayhit_f[1:0] | {fetch_mp_collision_p1_f, fetch_mp_collision_f}; + for (j = 0; j < pt[2061-:14]; j = j + 1) begin : BTB_FAFLOPS + assign wr0_en[j] = ((btb_fa_wr_addr0[BTB_FA_INDEX:0] == j) & (exu_mp_valid_write & ~exu_mp_pkt[32])) | ((dec_fa_error_index == j) & dec_tlu_error_wb); + rvdffe #(.WIDTH(BTB_DWIDTH)) btb_fa( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(wr0_en[j]), + .din(btb_wr_data[BTB_DWIDTH - 1:0]), + .dout(btbdata[j * BTB_DWIDTH+:BTB_DWIDTH]) + ); + end + assign ifu_bp_fa_index_f[$clog2(pt[2061-:14])+:$clog2(pt[2061-:14])] = (hit1 ? hit1_index : {$clog2(pt[2061-:14]) {1'sb0}}); + assign ifu_bp_fa_index_f[0+:$clog2(pt[2061-:14])] = (hit0 ? hit0_index : {$clog2(pt[2061-:14]) {1'sb0}}); + assign btb_used_reset = &btb_used[pt[2061-:14] - 1:0]; + assign btb_used_ns[pt[2061-:14] - 1:0] = ((((({pt[2061-:14] {vwayhit_f[1]}} & (32'b00000000000000000000000000000001 << hit1_index[BTB_FA_INDEX:0])) | ({pt[2061-:14] {vwayhit_f[0]}} & (32'b00000000000000000000000000000001 << hit0_index[BTB_FA_INDEX:0]))) | ({pt[2061-:14] {(exu_mp_valid_write & ~exu_mp_pkt[32]) & ~dec_tlu_error_wb}} & (32'b00000000000000000000000000000001 << btb_fa_wr_addr0[BTB_FA_INDEX:0]))) | ({pt[2061-:14] {btb_used_reset}} & {pt[2061-:14] {1'b0}})) | ({pt[2061-:14] {~btb_used_reset & dec_tlu_error_wb}} & (btb_used[pt[2061-:14] - 1:0] & ~(32'b00000000000000000000000000000001 << dec_fa_error_index[BTB_FA_INDEX:0])))) | (~{pt[2061-:14] {btb_used_reset | dec_tlu_error_wb}} & btb_used[pt[2061-:14] - 1:0]); + assign write_used = ((btb_used_reset | ifu_bp_hit_taken_f) | exu_mp_valid_write) | dec_tlu_error_wb; + rvdffe #(.WIDTH(pt[2061-:14])) btb_usedf( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(write_used), + .din(btb_used_ns[pt[2061-:14] - 1:0]), + .dout(btb_used[pt[2061-:14] - 1:0]) + ); + end + endgenerate + wire [(((2 * (pt[2256-:15] / NUM_BHT_LOOP)) * NUM_BHT_LOOP) * 2) - 1:0] bht_bank_wr_data; + wire [((2 * pt[2256-:15]) * 2) - 1:0] bht_bank_rd_data_out; + wire [(2 * (pt[2256-:15] / NUM_BHT_LOOP)) - 1:0] bht_bank_clken; + wire [(2 * (pt[2256-:15] / NUM_BHT_LOOP)) - 1:0] bht_bank_clk; + wire [((2 * (pt[2256-:15] / NUM_BHT_LOOP)) * NUM_BHT_LOOP) - 1:0] bht_bank_sel; + generate + for (i = 0; i < 2; i = i + 1) begin : BANKS + genvar k; + for (k = 0; k < (pt[2256-:15] / NUM_BHT_LOOP); k = k + 1) begin : BHT_CLK_GROUP + assign bht_bank_clken[(i * (pt[2256-:15] / NUM_BHT_LOOP)) + k] = (bht_wr_en0[i] & ((bht_wr_addr0[pt[2270-:8]:NUM_BHT_LOOP_OUTER_LO] == k) | BHT_NO_ADDR_MATCH)) | (bht_wr_en2[i] & ((bht_wr_addr2[pt[2270-:8]:NUM_BHT_LOOP_OUTER_LO] == k) | BHT_NO_ADDR_MATCH)); + rvclkhdr bht_bank_grp_cgc( + .en(bht_bank_clken[(i * (pt[2256-:15] / NUM_BHT_LOOP)) + k]), + .l1clk(bht_bank_clk[(i * (pt[2256-:15] / NUM_BHT_LOOP)) + k]), + .clk(clk), + .scan_mode(scan_mode) + ); + for (j = 0; j < NUM_BHT_LOOP; j = j + 1) begin : BHT_FLOPS + assign bht_bank_sel[(((i * (pt[2256-:15] / NUM_BHT_LOOP)) + k) * NUM_BHT_LOOP) + j] = ((bht_wr_en0[i] & (bht_wr_addr0[NUM_BHT_LOOP_INNER_HI:pt[2262-:6]] == j)) & ((bht_wr_addr0[pt[2270-:8]:NUM_BHT_LOOP_OUTER_LO] == k) | BHT_NO_ADDR_MATCH)) | ((bht_wr_en2[i] & (bht_wr_addr2[NUM_BHT_LOOP_INNER_HI:pt[2262-:6]] == j)) & ((bht_wr_addr2[pt[2270-:8]:NUM_BHT_LOOP_OUTER_LO] == k) | BHT_NO_ADDR_MATCH)); + assign bht_bank_wr_data[((((i * (pt[2256-:15] / NUM_BHT_LOOP)) + k) * NUM_BHT_LOOP) + j) * 2+:2] = ((bht_wr_en2[i] & (bht_wr_addr2[NUM_BHT_LOOP_INNER_HI:pt[2262-:6]] == j)) & ((bht_wr_addr2[pt[2270-:8]:NUM_BHT_LOOP_OUTER_LO] == k) | BHT_NO_ADDR_MATCH) ? bht_wr_data2[1:0] : bht_wr_data0[1:0]); + rvdffs_fpga #(.WIDTH(2)) bht_bank( + .rst_l(rst_l), + .clk(bht_bank_clk[(i * (pt[2256-:15] / NUM_BHT_LOOP)) + k]), + .en(bht_bank_sel[(((i * (pt[2256-:15] / NUM_BHT_LOOP)) + k) * NUM_BHT_LOOP) + j]), + .rawclk(clk), + .clken(bht_bank_sel[(((i * (pt[2256-:15] / NUM_BHT_LOOP)) + k) * NUM_BHT_LOOP) + j]), + .din(bht_bank_wr_data[((((i * (pt[2256-:15] / NUM_BHT_LOOP)) + k) * NUM_BHT_LOOP) + j) * 2+:2]), + .dout(bht_bank_rd_data_out[((i * pt[2256-:15]) + ((16 * k) + j)) * 2+:2]) + ); + end + end + end + endgenerate + function automatic signed [((pt[2270-:8] - pt[2262-:6]) >= 0 ? (pt[2270-:8] - pt[2262-:6]) + 1 : 1 - (pt[2270-:8] - pt[2262-:6])) - 1:0] sv2v_cast_AB44B_signed; + input reg signed [((pt[2270-:8] - pt[2262-:6]) >= 0 ? (pt[2270-:8] - pt[2262-:6]) + 1 : 1 - (pt[2270-:8] - pt[2262-:6])) - 1:0] inp; + sv2v_cast_AB44B_signed = inp; + endfunction + always @(*) begin : BHT_rd_mux + bht_bank0_rd_data_f[1:0] = {2 {1'sb0}}; + bht_bank1_rd_data_f[1:0] = {2 {1'sb0}}; + bht_bank0_rd_data_p1_f[1:0] = {2 {1'sb0}}; + begin : sv2v_autoblock_46 + reg signed [31:0] j; + for (j = 0; j < pt[2256-:15]; j = j + 1) + begin + if (bht_rd_addr_f[pt[2270-:8]:pt[2262-:6]] == sv2v_cast_AB44B_signed(j)) begin + bht_bank0_rd_data_f[1:0] = bht_bank_rd_data_out[j * 2+:2]; + bht_bank1_rd_data_f[1:0] = bht_bank_rd_data_out[(pt[2256-:15] + j) * 2+:2]; + end + if (bht_rd_addr_p1_f[pt[2270-:8]:pt[2262-:6]] == sv2v_cast_AB44B_signed(j)) + bht_bank0_rd_data_p1_f[1:0] = bht_bank_rd_data_out[j * 2+:2]; + end + end + end +endmodule +module eb1_ifu_compress_ctl ( + din, + dout +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire [15:0] din; + output wire [31:0] dout; + wire legal; + wire [15:0] i; + wire [31:0] o; + wire [31:0] l1; + wire [31:0] l2; + wire [31:0] l3; + assign i[15:0] = din[15:0]; + wire [4:0] rs2d; + wire [4:0] rdd; + wire [4:0] rdpd; + wire [4:0] rs2pd; + wire rdrd; + wire rdrs1; + wire rs2rs2; + wire rdprd; + wire rdprs1; + wire rs2prs2; + wire rs2prd; + wire uimm9_2; + wire ulwimm6_2; + wire ulwspimm7_2; + wire rdeq2; + wire rdeq1; + wire rs1eq2; + wire sbroffset8_1; + wire simm9_4; + wire simm5_0; + wire sjaloffset11_1; + wire sluimm17_12; + wire uimm5_0; + wire uswimm6_2; + wire uswspimm7_2; + assign rs2d[4:0] = i[6:2]; + assign rdd[4:0] = i[11:7]; + assign rdpd[4:0] = {2'b01, i[9:7]}; + assign rs2pd[4:0] = {2'b01, i[4:2]}; + assign l1[6:0] = o[6:0]; + assign l1[11:7] = ((((o[11:7] | ({5 {rdrd}} & rdd[4:0])) | ({5 {rdprd}} & rdpd[4:0])) | ({5 {rs2prd}} & rs2pd[4:0])) | ({5 {rdeq1}} & 5'd1)) | ({5 {rdeq2}} & 5'd2); + assign l1[14:12] = o[14:12]; + assign l1[19:15] = ((o[19:15] | ({5 {rdrs1}} & rdd[4:0])) | ({5 {rdprs1}} & rdpd[4:0])) | ({5 {rs1eq2}} & 5'd2); + assign l1[24:20] = (o[24:20] | ({5 {rs2rs2}} & rs2d[4:0])) | ({5 {rs2prs2}} & rs2pd[4:0]); + assign l1[31:25] = o[31:25]; + wire [5:0] simm5d; + wire [9:2] uimm9d; + wire [9:4] simm9d; + wire [6:2] ulwimm6d; + wire [7:2] ulwspimm7d; + wire [5:0] uimm5d; + wire [20:1] sjald; + wire [31:12] sluimmd; + assign simm5d[5:0] = {i[12], i[6:2]}; + assign uimm9d[9:2] = {i[10:7], i[12:11], i[5], i[6]}; + assign simm9d[9:4] = {i[12], i[4:3], i[5], i[2], i[6]}; + assign ulwimm6d[6:2] = {i[5], i[12:10], i[6]}; + assign ulwspimm7d[7:2] = {i[3:2], i[12], i[6:4]}; + assign uimm5d[5:0] = {i[12], i[6:2]}; + assign sjald[11:1] = {i[12], i[8], i[10:9], i[6], i[7], i[2], i[11], i[5:4], i[3]}; + assign sjald[20:12] = {9 {i[12]}}; + assign sluimmd[31:12] = {{15 {i[12]}}, i[6:2]}; + assign l2[31:20] = (((((((l1[31:20] | ({12 {simm5_0}} & {{7 {simm5d[5]}}, simm5d[4:0]})) | ({12 {uimm9_2}} & {2'b00, uimm9d[9:2], 2'b00})) | ({12 {simm9_4}} & {{3 {simm9d[9]}}, simm9d[8:4], 4'b0000})) | ({12 {ulwimm6_2}} & {5'b00000, ulwimm6d[6:2], 2'b00})) | ({12 {ulwspimm7_2}} & {4'b0000, ulwspimm7d[7:2], 2'b00})) | ({12 {uimm5_0}} & {6'b000000, uimm5d[5:0]})) | ({12 {sjaloffset11_1}} & {sjald[20], sjald[10:1], sjald[11]})) | ({12 {sluimm17_12}} & sluimmd[31:20]); + assign l2[19:12] = (l1[19:12] | ({8 {sjaloffset11_1}} & sjald[19:12])) | ({8 {sluimm17_12}} & sluimmd[19:12]); + assign l2[11:0] = l1[11:0]; + wire [8:1] sbr8d; + wire [6:2] uswimm6d; + wire [7:2] uswspimm7d; + assign sbr8d[8:1] = {i[12], i[6], i[5], i[2], i[11], i[10], i[4], i[3]}; + assign uswimm6d[6:2] = {i[5], i[12:10], i[6]}; + assign uswspimm7d[7:2] = {i[8:7], i[12:9]}; + assign l3[31:25] = ((l2[31:25] | ({7 {sbroffset8_1}} & {{4 {sbr8d[8]}}, sbr8d[7:5]})) | ({7 {uswimm6_2}} & {5'b00000, uswimm6d[6:5]})) | ({7 {uswspimm7_2}} & {4'b0000, uswspimm7d[7:5]}); + assign l3[24:12] = l2[24:12]; + assign l3[11:7] = ((l2[11:7] | ({5 {sbroffset8_1}} & {sbr8d[4:1], sbr8d[8]})) | ({5 {uswimm6_2}} & {uswimm6d[4:2], 2'b00})) | ({5 {uswspimm7_2}} & {uswspimm7d[4:2], 2'b00}); + assign l3[6:0] = l2[6:0]; + assign dout[31:0] = l3[31:0] & {32 {legal}}; + assign rdrd = ((((((((((((!i[14] & i[6]) & i[1]) | (((!i[15] & i[14]) & i[11]) & i[0])) | ((!i[14] & i[5]) & i[1])) | (((!i[15] & i[14]) & i[10]) & i[0])) | ((!i[14] & i[4]) & i[1])) | (((!i[15] & i[14]) & i[9]) & i[0])) | ((!i[14] & i[3]) & i[1])) | (((!i[15] & i[14]) & !i[8]) & i[0])) | ((!i[14] & i[2]) & i[1])) | (((!i[15] & i[14]) & i[7]) & i[0])) | (!i[15] & i[1])) | ((!i[15] & !i[13]) & i[0]); + assign rdrs1 = ((((((((((((((!i[14] & i[12]) & i[11]) & i[1]) | (((!i[14] & i[12]) & i[10]) & i[1])) | (((!i[14] & i[12]) & i[9]) & i[1])) | (((!i[14] & i[12]) & i[8]) & i[1])) | (((!i[14] & i[12]) & i[7]) & i[1])) | (((((((!i[14] & !i[12]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1])) | (((!i[14] & i[12]) & i[6]) & i[1])) | (((!i[14] & i[12]) & i[5]) & i[1])) | (((!i[14] & i[12]) & i[4]) & i[1])) | (((!i[14] & i[12]) & i[3]) & i[1])) | (((!i[14] & i[12]) & i[2]) & i[1])) | (((!i[15] & !i[14]) & !i[13]) & i[0])) | ((!i[15] & !i[14]) & i[1]); + assign rs2rs2 = ((((((i[15] & i[6]) & i[1]) | ((i[15] & i[5]) & i[1])) | ((i[15] & i[4]) & i[1])) | ((i[15] & i[3]) & i[1])) | ((i[15] & i[2]) & i[1])) | ((i[15] & i[14]) & i[1]); + assign rdprd = ((i[15] & !i[14]) & !i[13]) & i[0]; + assign rdprs1 = (((i[15] & !i[13]) & i[0]) | ((i[15] & i[14]) & i[0])) | ((i[14] & !i[1]) & !i[0]); + assign rs2prs2 = (((((i[15] & !i[14]) & !i[13]) & i[11]) & i[10]) & i[0]) | ((i[15] & !i[1]) & !i[0]); + assign rs2prd = (!i[15] & !i[1]) & !i[0]; + assign uimm9_2 = (!i[14] & !i[1]) & !i[0]; + assign ulwimm6_2 = ((!i[15] & i[14]) & !i[1]) & !i[0]; + assign ulwspimm7_2 = (!i[15] & i[14]) & i[1]; + assign rdeq2 = ((((((!i[15] & i[14]) & i[13]) & !i[11]) & !i[10]) & !i[9]) & i[8]) & !i[7]; + assign rdeq1 = ((((((((((((!i[14] & i[12]) & i[11]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1]) | ((((((((!i[14] & i[12]) & i[10]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1])) | ((((((((!i[14] & i[12]) & i[9]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1])) | ((((((((!i[14] & i[12]) & i[8]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1])) | ((((((((!i[14] & i[12]) & i[7]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1])) | ((!i[15] & !i[14]) & i[13]); + assign rs1eq2 = ((((((((!i[15] & i[14]) & i[13]) & !i[11]) & !i[10]) & !i[9]) & i[8]) & !i[7]) | (i[14] & i[1])) | ((!i[14] & !i[1]) & !i[0]); + assign sbroffset8_1 = (i[15] & i[14]) & i[0]; + assign simm9_4 = ((((((!i[15] & i[14]) & i[13]) & !i[11]) & !i[10]) & !i[9]) & i[8]) & !i[7]; + assign simm5_0 = ((((!i[14] & !i[13]) & i[11]) & !i[10]) & i[0]) | ((!i[15] & !i[13]) & i[0]); + assign sjaloffset11_1 = !i[14] & i[13]; + assign sluimm17_12 = ((((((!i[15] & i[14]) & i[13]) & i[7]) | (((!i[15] & i[14]) & i[13]) & !i[8])) | (((!i[15] & i[14]) & i[13]) & i[9])) | (((!i[15] & i[14]) & i[13]) & i[10])) | (((!i[15] & i[14]) & i[13]) & i[11]); + assign uimm5_0 = ((((i[15] & !i[14]) & !i[13]) & !i[11]) & i[0]) | ((!i[15] & !i[14]) & i[1]); + assign uswimm6_2 = (i[15] & !i[1]) & !i[0]; + assign uswspimm7_2 = (i[15] & i[14]) & i[1]; + assign o[31] = 1'b0; + assign o[30] = ((((((i[15] & !i[14]) & !i[13]) & i[10]) & !i[6]) & !i[5]) & i[0]) | (((((i[15] & !i[14]) & !i[13]) & !i[11]) & i[10]) & i[0]); + assign o[29] = 1'b0; + assign o[28] = 1'b0; + assign o[27] = 1'b0; + assign o[26] = 1'b0; + assign o[25] = 1'b0; + assign o[24] = 1'b0; + assign o[23] = 1'b0; + assign o[22] = 1'b0; + assign o[21] = 1'b0; + assign o[20] = (((((((((((!i[14] & i[12]) & !i[11]) & !i[10]) & !i[9]) & !i[8]) & !i[7]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1]; + assign o[19] = 1'b0; + assign o[18] = 1'b0; + assign o[17] = 1'b0; + assign o[16] = 1'b0; + assign o[15] = 1'b0; + assign o[14] = ((((((i[15] & !i[14]) & !i[13]) & !i[11]) & i[0]) | ((((i[15] & !i[14]) & !i[13]) & !i[10]) & i[0])) | ((((i[15] & !i[14]) & !i[13]) & i[6]) & i[0])) | ((((i[15] & !i[14]) & !i[13]) & i[5]) & i[0]); + assign o[13] = ((((((i[15] & !i[14]) & !i[13]) & i[11]) & !i[10]) & i[0]) | (((((i[15] & !i[14]) & !i[13]) & i[11]) & i[6]) & i[0])) | (i[14] & !i[0]); + assign o[12] = ((((((((i[15] & !i[14]) & !i[13]) & i[6]) & i[5]) & i[0]) | ((((i[15] & !i[14]) & !i[13]) & !i[11]) & i[0])) | ((((i[15] & !i[14]) & !i[13]) & !i[10]) & i[0])) | ((!i[15] & !i[14]) & i[1])) | ((i[15] & i[14]) & i[13]); + assign o[11] = 1'b0; + assign o[10] = 1'b0; + assign o[9] = 1'b0; + assign o[8] = 1'b0; + assign o[7] = 1'b0; + assign o[6] = ((((((((i[15] & !i[14]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & !i[0]) | (!i[14] & i[13])) | ((i[15] & i[14]) & i[0]); + assign o[5] = ((((((((i[15] & !i[0]) | ((i[15] & i[11]) & i[10])) | (i[13] & !i[8])) | (i[13] & i[7])) | (i[13] & i[9])) | (i[13] & i[10])) | (i[13] & i[11])) | (!i[14] & i[13])) | (i[15] & i[14]); + assign o[4] = (((((((((((((!i[14] & !i[11]) & !i[10]) & !i[9]) & !i[8]) & !i[7]) & !i[0]) | ((!i[15] & !i[14]) & !i[0])) | ((!i[14] & i[6]) & !i[0])) | ((!i[15] & i[14]) & i[0])) | ((!i[14] & i[5]) & !i[0])) | ((!i[14] & i[4]) & !i[0])) | ((!i[14] & !i[13]) & i[0])) | ((!i[14] & i[3]) & !i[0])) | ((!i[14] & i[2]) & !i[0]); + assign o[3] = !i[14] & i[13]; + assign o[2] = ((((((((((((((((((!i[14] & i[12]) & i[11]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1]) | ((((((((!i[14] & i[12]) & i[10]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1])) | ((((((((!i[14] & i[12]) & i[9]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1])) | ((((((((!i[14] & i[12]) & i[8]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1])) | ((((((((!i[14] & i[12]) & i[7]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & i[1])) | ((((((((i[15] & !i[14]) & !i[12]) & !i[6]) & !i[5]) & !i[4]) & !i[3]) & !i[2]) & !i[0])) | ((!i[15] & i[13]) & !i[8])) | ((!i[15] & i[13]) & i[7])) | ((!i[15] & i[13]) & i[9])) | ((!i[15] & i[13]) & i[10])) | ((!i[15] & i[13]) & i[11])) | (!i[14] & i[13]); + assign o[1] = 1'b1; + assign o[0] = 1'b1; + assign legal = (((((((((((((((((((((((((((((((((!i[13] & !i[12]) & i[11]) & i[1]) & !i[0]) | ((((!i[13] & !i[12]) & i[6]) & i[1]) & !i[0])) | (((!i[15] & !i[13]) & i[11]) & !i[1])) | ((((!i[13] & !i[12]) & i[5]) & i[1]) & !i[0])) | ((((!i[13] & !i[12]) & i[10]) & i[1]) & !i[0])) | (((!i[15] & !i[13]) & i[6]) & !i[1])) | (((i[15] & !i[12]) & !i[1]) & i[0])) | ((((!i[13] & !i[12]) & i[9]) & i[1]) & !i[0])) | (((!i[12] & i[6]) & !i[1]) & i[0])) | (((!i[15] & !i[13]) & i[5]) & !i[1])) | ((((!i[13] & !i[12]) & i[8]) & i[1]) & !i[0])) | (((!i[12] & i[5]) & !i[1]) & i[0])) | (((!i[15] & !i[13]) & i[10]) & !i[1])) | ((((!i[13] & !i[12]) & i[7]) & i[1]) & !i[0])) | ((((i[12] & i[11]) & !i[10]) & !i[1]) & i[0])) | (((!i[15] & !i[13]) & i[9]) & !i[1])) | ((((!i[13] & !i[12]) & i[4]) & i[1]) & !i[0])) | (((i[13] & i[12]) & !i[1]) & i[0])) | (((!i[15] & !i[13]) & i[8]) & !i[1])) | ((((!i[13] & !i[12]) & i[3]) & i[1]) & !i[0])) | (((i[13] & i[4]) & !i[1]) & i[0])) | ((((!i[13] & !i[12]) & i[2]) & i[1]) & !i[0])) | (((!i[15] & !i[13]) & i[7]) & !i[1])) | (((i[13] & i[3]) & !i[1]) & i[0])) | (((i[13] & i[2]) & !i[1]) & i[0])) | ((i[14] & !i[13]) & !i[1])) | (((!i[14] & !i[12]) & !i[1]) & i[0])) | ((((i[15] & !i[13]) & i[12]) & i[1]) & !i[0])) | ((((!i[15] & !i[13]) & !i[12]) & i[1]) & !i[0])) | (((!i[15] & !i[13]) & i[12]) & !i[1])) | ((i[14] & !i[13]) & !i[0]); +endmodule +module eb1_ifu_iccm_mem ( + clk, + active_clk, + rst_l, + clk_override, + iccm_wren, + iccm_rden, + iccm_rw_addr, + iccm_buf_correct_ecc, + iccm_correction_state, + iccm_wr_size, + iccm_wr_data, + iccm_ext_in_pkt, + iccm_rd_data, + iccm_rd_data_ecc, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire active_clk; + input wire rst_l; + input wire clk_override; + input wire iccm_wren; + input wire iccm_rden; + input wire [pt[936-:9] - 1:1] iccm_rw_addr; + input wire iccm_buf_correct_ecc; + input wire iccm_correction_state; + input wire [2:0] iccm_wr_size; + input wire [77:0] iccm_wr_data; + input wire [(pt[909-:9] * 12) - 1:0] iccm_ext_in_pkt; + output wire [63:0] iccm_rd_data; + output wire [77:0] iccm_rd_data_ecc; + input wire scan_mode; + wire [pt[909-:9] - 1:0] wren_bank; + wire [pt[909-:9] - 1:0] rden_bank; + wire [pt[909-:9] - 1:0] iccm_clken; + wire [((pt[936-:9] - 1) >= pt[945-:9] ? (pt[909-:9] * (((pt[936-:9] - 1) - pt[945-:9]) + 1)) + (pt[945-:9] - 1) : (pt[909-:9] * ((pt[945-:9] - (pt[936-:9] - 1)) + 1)) + (pt[936-:9] - 2)):((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1)] addr_bank; + wire [(pt[909-:9] * 39) - 1:0] iccm_bank_dout; + wire [(pt[909-:9] * 39) - 1:0] iccm_bank_dout_fn; + wire [(pt[909-:9] * 39) - 1:0] iccm_bank_wr_data; + wire [pt[936-:9] - 1:1] addr_bank_inc; + wire [pt[954-:9]:2] iccm_rd_addr_hi_q; + wire [pt[954-:9]:1] iccm_rd_addr_lo_q; + wire [63:0] iccm_rd_data_pre; + wire [63:0] iccm_data; + wire [1:0] addr_incr; + wire [(pt[909-:9] * 39) - 1:0] iccm_bank_wr_data_vec; + wire [((pt[936-:9] - 1) >= 2 ? (2 * (pt[936-:9] - 2)) + 1 : (2 * (4 - pt[936-:9])) + (pt[936-:9] - 2)):((pt[936-:9] - 1) >= 2 ? 2 : pt[936-:9] - 1)] redundant_address; + wire [77:0] redundant_data; + wire [1:0] redundant_valid; + wire [pt[909-:9] - 1:0] sel_red1; + wire [pt[909-:9] - 1:0] sel_red0; + wire [pt[909-:9] - 1:0] sel_red1_q; + wire [pt[909-:9] - 1:0] sel_red0_q; + wire [38:0] redundant_data0_in; + wire [38:0] redundant_data1_in; + wire redundant_lru; + wire redundant_lru_in; + wire redundant_lru_en; + wire redundant_data0_en; + wire redundant_data1_en; + wire r0_addr_en; + wire r1_addr_en; + assign addr_incr[1:0] = (iccm_wr_size[1:0] == 2'b11 ? 2'b10 : 2'b01); + assign addr_bank_inc[pt[936-:9] - 1:1] = iccm_rw_addr[pt[936-:9] - 1:1] + addr_incr[1:0]; + generate + genvar i; + for (i = 0; i < (pt[909-:9] / 2); i = i + 1) begin : mem_bank_data + assign iccm_bank_wr_data_vec[(2 * i) * 39+:39] = iccm_wr_data[38:0]; + assign iccm_bank_wr_data_vec[((2 * i) + 1) * 39+:39] = iccm_wr_data[77:39]; + end + endgenerate + generate + for (i = 0; i < pt[909-:9]; i = i + 1) begin : mem_bank + assign wren_bank[i] = iccm_wren & ((iccm_rw_addr[pt[954-:9]:2] == i) | (addr_bank_inc[pt[954-:9]:2] == i)); + assign iccm_bank_wr_data[i * 39+:39] = iccm_bank_wr_data_vec[i * 39+:39]; + assign rden_bank[i] = iccm_rden & ((iccm_rw_addr[pt[954-:9]:2] == i) | (addr_bank_inc[pt[954-:9]:2] == i)); + assign iccm_clken[i] = (wren_bank[i] | rden_bank[i]) | clk_override; + assign addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)) + ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) >= pt[945-:9] ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)) - 1) : pt[945-:9] - (((pt[936-:9] - 1) >= pt[945-:9] ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)) - 1) - (pt[936-:9] - 1))) : (((i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)) + ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) >= pt[945-:9] ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)) - 1) : pt[945-:9] - (((pt[936-:9] - 1) >= pt[945-:9] ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)) - 1) - (pt[936-:9] - 1)))) + ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)) - 1)-:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)] = (wren_bank[i] ? iccm_rw_addr[pt[936-:9] - 1:pt[945-:9]] : (addr_bank_inc[pt[954-:9]:2] == i ? addr_bank_inc[pt[936-:9] - 1:pt[945-:9]] : iccm_rw_addr[pt[936-:9] - 1:pt[945-:9]])); + if (pt[917-:8] == 6) begin : iccm + ram_64x39 iccm_bank( + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .D(iccm_bank_wr_data[(i * 39) + 38-:39]), + .Q(iccm_bank_dout[(i * 39) + 38-:39]), + .ROP(), + .TEST1(iccm_ext_in_pkt[(i * 12) + 11]), + .RME(iccm_ext_in_pkt[(i * 12) + 10]), + .RM(iccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(iccm_ext_in_pkt[(i * 12) + 5]), + .DS(iccm_ext_in_pkt[(i * 12) + 4]), + .SD(iccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(iccm_ext_in_pkt[(i * 12) + 2]), + .BC1(iccm_ext_in_pkt[(i * 12) + 1]), + .BC2(iccm_ext_in_pkt[i * 12]) + ); + end + else if (pt[917-:8] == 7) begin : iccm + ram_128x39 iccm_bank( + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .D(iccm_bank_wr_data[(i * 39) + 38-:39]), + .Q(iccm_bank_dout[(i * 39) + 38-:39]), + .ROP(), + .TEST1(iccm_ext_in_pkt[(i * 12) + 11]), + .RME(iccm_ext_in_pkt[(i * 12) + 10]), + .RM(iccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(iccm_ext_in_pkt[(i * 12) + 5]), + .DS(iccm_ext_in_pkt[(i * 12) + 4]), + .SD(iccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(iccm_ext_in_pkt[(i * 12) + 2]), + .BC1(iccm_ext_in_pkt[(i * 12) + 1]), + .BC2(iccm_ext_in_pkt[i * 12]) + ); + end + else if (pt[917-:8] == 8) begin : iccm + sky130_sram_1kbyte_1rw1r_32x256_8 sram( + .clk0(clk), + .csb0(~iccm_clken[i]), + .web0(~wren_bank[i]), + .wmask0(4'hf), + .addr0(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .din0(iccm_bank_wr_data[(i * 39) + 31-:32]), + .dout0(iccm_bank_dout[(i * 39) + 31-:32]), + .clk1(clk), + .csb1(1'b1), + .addr1(10'h000), + .dout1() + ); + end + else if (pt[917-:8] == 9) begin : iccm + ram_512x39 iccm_bank( + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .D(iccm_bank_wr_data[(i * 39) + 38-:39]), + .Q(iccm_bank_dout[(i * 39) + 38-:39]), + .ROP(), + .TEST1(iccm_ext_in_pkt[(i * 12) + 11]), + .RME(iccm_ext_in_pkt[(i * 12) + 10]), + .RM(iccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(iccm_ext_in_pkt[(i * 12) + 5]), + .DS(iccm_ext_in_pkt[(i * 12) + 4]), + .SD(iccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(iccm_ext_in_pkt[(i * 12) + 2]), + .BC1(iccm_ext_in_pkt[(i * 12) + 1]), + .BC2(iccm_ext_in_pkt[i * 12]) + ); + end + else if (pt[917-:8] == 10) begin : iccm + sky130_sram_1kbyte_1rw1r_32x256_8 sram( + .clk0(clk), + .csb0(~iccm_clken[i]), + .web0(~wren_bank[i]), + .wmask0(4'hf), + .addr0(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .din0(iccm_bank_wr_data[i * 39+:39]), + .dout0(iccm_bank_dout[i * 39+:39]), + .clk1(clk), + .csb1(1'b1), + .addr1(10'h000), + .dout1() + ); + end + else if (pt[917-:8] == 11) begin : iccm + ram_2048x39 iccm_bank( + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .D(iccm_bank_wr_data[(i * 39) + 38-:39]), + .Q(iccm_bank_dout[(i * 39) + 38-:39]), + .ROP(), + .TEST1(iccm_ext_in_pkt[(i * 12) + 11]), + .RME(iccm_ext_in_pkt[(i * 12) + 10]), + .RM(iccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(iccm_ext_in_pkt[(i * 12) + 5]), + .DS(iccm_ext_in_pkt[(i * 12) + 4]), + .SD(iccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(iccm_ext_in_pkt[(i * 12) + 2]), + .BC1(iccm_ext_in_pkt[(i * 12) + 1]), + .BC2(iccm_ext_in_pkt[i * 12]) + ); + end + else if (pt[917-:8] == 12) begin : iccm + ram_4096x39 iccm_bank( + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .D(iccm_bank_wr_data[(i * 39) + 38-:39]), + .Q(iccm_bank_dout[(i * 39) + 38-:39]), + .ROP(), + .TEST1(iccm_ext_in_pkt[(i * 12) + 11]), + .RME(iccm_ext_in_pkt[(i * 12) + 10]), + .RM(iccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(iccm_ext_in_pkt[(i * 12) + 5]), + .DS(iccm_ext_in_pkt[(i * 12) + 4]), + .SD(iccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(iccm_ext_in_pkt[(i * 12) + 2]), + .BC1(iccm_ext_in_pkt[(i * 12) + 1]), + .BC2(iccm_ext_in_pkt[i * 12]) + ); + end + else if (pt[917-:8] == 13) begin : iccm + ram_8192x39 iccm_bank( + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .D(iccm_bank_wr_data[(i * 39) + 38-:39]), + .Q(iccm_bank_dout[(i * 39) + 38-:39]), + .ROP(), + .TEST1(iccm_ext_in_pkt[(i * 12) + 11]), + .RME(iccm_ext_in_pkt[(i * 12) + 10]), + .RM(iccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(iccm_ext_in_pkt[(i * 12) + 5]), + .DS(iccm_ext_in_pkt[(i * 12) + 4]), + .SD(iccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(iccm_ext_in_pkt[(i * 12) + 2]), + .BC1(iccm_ext_in_pkt[(i * 12) + 1]), + .BC2(iccm_ext_in_pkt[i * 12]) + ); + end + else if (pt[917-:8] == 14) begin : iccm + ram_16384x39 iccm_bank( + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .D(iccm_bank_wr_data[(i * 39) + 38-:39]), + .Q(iccm_bank_dout[(i * 39) + 38-:39]), + .ROP(), + .TEST1(iccm_ext_in_pkt[(i * 12) + 11]), + .RME(iccm_ext_in_pkt[(i * 12) + 10]), + .RM(iccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(iccm_ext_in_pkt[(i * 12) + 5]), + .DS(iccm_ext_in_pkt[(i * 12) + 4]), + .SD(iccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(iccm_ext_in_pkt[(i * 12) + 2]), + .BC1(iccm_ext_in_pkt[(i * 12) + 1]), + .BC2(iccm_ext_in_pkt[i * 12]) + ); + end + else begin : iccm + ram_32768x39 iccm_bank( + .CLK(clk), + .ME(iccm_clken[i]), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[936-:9] - 1) >= pt[945-:9] ? pt[945-:9] : pt[936-:9] - 1) + (i * ((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1))+:((pt[936-:9] - 1) >= pt[945-:9] ? ((pt[936-:9] - 1) - pt[945-:9]) + 1 : (pt[945-:9] - (pt[936-:9] - 1)) + 1)]), + .D(iccm_bank_wr_data[(i * 39) + 38-:39]), + .Q(iccm_bank_dout[(i * 39) + 38-:39]), + .ROP(), + .TEST1(iccm_ext_in_pkt[(i * 12) + 11]), + .RME(iccm_ext_in_pkt[(i * 12) + 10]), + .RM(iccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(iccm_ext_in_pkt[(i * 12) + 5]), + .DS(iccm_ext_in_pkt[(i * 12) + 4]), + .SD(iccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(iccm_ext_in_pkt[(i * 12) + 2]), + .BC1(iccm_ext_in_pkt[(i * 12) + 1]), + .BC2(iccm_ext_in_pkt[i * 12]) + ); + end + assign sel_red1[i] = redundant_valid[1] & (((iccm_rw_addr[pt[936-:9] - 1:2] == redundant_address[((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) : ((((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1)))) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1)-:((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])]) & (iccm_rw_addr[3:2] == i)) | ((addr_bank_inc[pt[936-:9] - 1:2] == redundant_address[((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) : ((((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1)))) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1)-:((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])]) & (addr_bank_inc[3:2] == i))); + assign sel_red0[i] = redundant_valid[0] & (((iccm_rw_addr[pt[936-:9] - 1:2] == redundant_address[((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) : (((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1)-:((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])]) & (iccm_rw_addr[3:2] == i)) | ((addr_bank_inc[pt[936-:9] - 1:2] == redundant_address[((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) : (((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1)-:((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])]) & (addr_bank_inc[3:2] == i))); + rvdff #(.WIDTH(1)) selred0( + .rst_l(rst_l), + .clk(active_clk), + .din(sel_red0[i]), + .dout(sel_red0_q[i]) + ); + rvdff #(.WIDTH(1)) selred1( + .rst_l(rst_l), + .clk(active_clk), + .din(sel_red1[i]), + .dout(sel_red1_q[i]) + ); + assign iccm_bank_dout_fn[(i * 39) + 38-:39] = (({39 {sel_red1_q[i]}} & redundant_data[77-:39]) | ({39 {sel_red0_q[i]}} & redundant_data[38-:39])) | ({39 {~sel_red0_q[i] & ~sel_red1_q[i]}} & iccm_bank_dout[(i * 39) + 38-:39]); + end + endgenerate + assign r0_addr_en = ~redundant_lru & iccm_buf_correct_ecc; + assign r1_addr_en = redundant_lru & iccm_buf_correct_ecc; + assign redundant_lru_en = iccm_buf_correct_ecc | (((|sel_red0[pt[909-:9] - 1:0] | |sel_red1[pt[909-:9] - 1:0]) & iccm_rden) & iccm_correction_state); + assign redundant_lru_in = (iccm_buf_correct_ecc ? ~redundant_lru : (|sel_red0[pt[909-:9] - 1:0] ? 1'b1 : 1'b0)); + rvdffs red_lru( + .rst_l(rst_l), + .clk(active_clk), + .en(redundant_lru_en), + .din(redundant_lru_in), + .dout(redundant_lru) + ); + rvdffs #(.WIDTH(pt[936-:9] - 2)) r0_address( + .rst_l(rst_l), + .clk(active_clk), + .en(r0_addr_en), + .din(iccm_rw_addr[pt[936-:9] - 1:2]), + .dout(redundant_address[((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) : (((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1)-:((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])]) + ); + rvdffs #(.WIDTH(pt[936-:9] - 2)) r1_address( + .rst_l(rst_l), + .clk(active_clk), + .en(r1_addr_en), + .din(iccm_rw_addr[pt[936-:9] - 1:2]), + .dout(redundant_address[((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) : ((((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1) - (pt[936-:9] - 1)))) + ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])) - 1)-:((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9])]) + ); + rvdffs #(.WIDTH(1)) r0_valid( + .rst_l(rst_l), + .clk(active_clk), + .en(r0_addr_en), + .din(1'b1), + .dout(redundant_valid[0]) + ); + rvdffs #(.WIDTH(1)) r1_valid( + .rst_l(rst_l), + .clk(active_clk), + .en(r1_addr_en), + .din(1'b1), + .dout(redundant_valid[1]) + ); + assign redundant_data0_en = ((((iccm_rw_addr[pt[936-:9] - 1:3] == redundant_address[((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) : (((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1)-:((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])]) & ((iccm_rw_addr[2] == redundant_address[((pt[936-:9] - 1) >= 2 ? 2 : pt[936-:9] - 1)]) | (iccm_wr_size[1:0] == 2'b11))) & redundant_valid[0]) & iccm_wren) | (~redundant_lru & iccm_buf_correct_ecc); + assign redundant_data0_in[38:0] = (((iccm_rw_addr[2] == redundant_address[((pt[936-:9] - 1) >= 2 ? 2 : pt[936-:9] - 1)]) & iccm_rw_addr[2]) | (redundant_address[((pt[936-:9] - 1) >= 2 ? 2 : pt[936-:9] - 1)] & (iccm_wr_size[1:0] == 2'b11)) ? iccm_wr_data[77:39] : iccm_wr_data[38:0]); + rvdffs #(.WIDTH(39)) r0_data( + .rst_l(rst_l), + .clk(active_clk), + .en(redundant_data0_en), + .din(redundant_data0_in[38:0]), + .dout(redundant_data[38-:39]) + ); + assign redundant_data1_en = ((((iccm_rw_addr[pt[936-:9] - 1:3] == redundant_address[((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1) - (pt[936-:9] - 1))) : ((((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1) : 2 - (((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 1 : ((pt[936-:9] - 1) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1) - (pt[936-:9] - 1)))) + ((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])) - 1)-:((pt[936-:9] - 1) >= 3 ? pt[936-:9] - 3 : 5 - pt[936-:9])]) & ((iccm_rw_addr[2] == redundant_address[((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? 2 : pt[936-:9] - 1)]) | (iccm_wr_size[1:0] == 2'b11))) & redundant_valid[1]) & iccm_wren) | (redundant_lru & iccm_buf_correct_ecc); + assign redundant_data1_in[38:0] = (((iccm_rw_addr[2] == redundant_address[((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? 2 : pt[936-:9] - 1)]) & iccm_rw_addr[2]) | (redundant_address[((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) + ((pt[936-:9] - 1) >= 2 ? 2 : pt[936-:9] - 1)] & (iccm_wr_size[1:0] == 2'b11)) ? iccm_wr_data[77:39] : iccm_wr_data[38:0]); + rvdffs #(.WIDTH(39)) r1_data( + .rst_l(rst_l), + .clk(active_clk), + .en(redundant_data1_en), + .din(redundant_data1_in[38:0]), + .dout(redundant_data[77-:39]) + ); + rvdffs #(.WIDTH(pt[954-:9])) rd_addr_lo_ff( + .rst_l(rst_l), + .clk(active_clk), + .din(iccm_rw_addr[pt[954-:9]:1]), + .dout(iccm_rd_addr_lo_q[pt[954-:9]:1]), + .en(1'b1) + ); + rvdffs #(.WIDTH(pt[961-:7])) rd_addr_hi_ff( + .rst_l(rst_l), + .clk(active_clk), + .din(addr_bank_inc[pt[954-:9]:2]), + .dout(iccm_rd_addr_hi_q[pt[954-:9]:2]), + .en(1'b1) + ); + assign iccm_rd_data_pre[63:0] = {iccm_bank_dout_fn[(iccm_rd_addr_hi_q * 39) + 31-:32], iccm_bank_dout_fn[(iccm_rd_addr_lo_q[pt[954-:9]:2] * 39) + 31-:32]}; + function automatic [63:0] sv2v_cast_64; + input reg [63:0] inp; + sv2v_cast_64 = inp; + endfunction + assign iccm_data[63:0] = sv2v_cast_64({16'b0000000000000000, iccm_rd_data_pre[63:0] >> (16 * iccm_rd_addr_lo_q[1])}); + assign iccm_rd_data[63:0] = {iccm_data[63:0]}; + assign iccm_rd_data_ecc[77:0] = {iccm_bank_dout_fn[(iccm_rd_addr_hi_q * 39) + 38-:39], iccm_bank_dout_fn[(iccm_rd_addr_lo_q[pt[954-:9]:2] * 39) + 38-:39]}; +endmodule +module eb1_ifu_ifc_ctl ( + clk, + free_l2clk, + rst_l, + scan_mode, + ic_hit_f, + ifu_ic_mb_empty, + ifu_fb_consume1, + ifu_fb_consume2, + dec_tlu_flush_noredir_wb, + exu_flush_final, + exu_flush_path_final, + ifu_bp_hit_taken_f, + ifu_bp_btb_target_f, + ic_dma_active, + ic_write_stall, + dma_iccm_stall_any, + dec_tlu_mrac_ff, + ifc_fetch_addr_f, + ifc_fetch_addr_bf, + ifc_fetch_req_f, + ifu_pmu_fetch_stall, + ifc_fetch_uncacheable_bf, + ifc_fetch_req_bf, + ifc_fetch_req_bf_raw, + ifc_iccm_access_bf, + ifc_region_acc_fault_bf, + ifc_dma_access_ok +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire free_l2clk; + input wire rst_l; + input wire scan_mode; + input wire ic_hit_f; + input wire ifu_ic_mb_empty; + input wire ifu_fb_consume1; + input wire ifu_fb_consume2; + input wire dec_tlu_flush_noredir_wb; + input wire exu_flush_final; + input wire [31:1] exu_flush_path_final; + input wire ifu_bp_hit_taken_f; + input wire [31:1] ifu_bp_btb_target_f; + input wire ic_dma_active; + input wire ic_write_stall; + input wire dma_iccm_stall_any; + input wire [31:0] dec_tlu_mrac_ff; + output wire [31:1] ifc_fetch_addr_f; + output wire [31:1] ifc_fetch_addr_bf; + output wire ifc_fetch_req_f; + output wire ifu_pmu_fetch_stall; + output wire ifc_fetch_uncacheable_bf; + output wire ifc_fetch_req_bf; + output wire ifc_fetch_req_bf_raw; + output wire ifc_iccm_access_bf; + output wire ifc_region_acc_fault_bf; + output wire ifc_dma_access_ok; + wire [31:1] fetch_addr_bf; + wire [31:1] fetch_addr_next; + wire [3:0] fb_write_f; + wire [3:0] fb_write_ns; + wire fb_full_f_ns; + wire fb_full_f; + wire fb_right; + wire fb_right2; + wire fb_left; + wire wfm; + wire idle; + wire sel_last_addr_bf; + wire sel_next_addr_bf; + wire miss_f; + wire miss_a; + wire flush_fb; + wire dma_iccm_stall_any_f; + wire mb_empty_mod; + wire goto_idle; + wire leave_idle; + wire fetch_bf_en; + wire line_wrap; + wire fetch_addr_next_1; + wire [1:0] state; + wire [1:0] next_state; + wire dma_stall; + assign dma_stall = ic_dma_active | dma_iccm_stall_any_f; + generate + if (pt[2130-:5] == 1) begin + wire sel_btb_addr_bf; + assign sel_last_addr_bf = ~exu_flush_final & (~ifc_fetch_req_f | ~ic_hit_f); + assign sel_btb_addr_bf = ((~exu_flush_final & ifc_fetch_req_f) & ifu_bp_hit_taken_f) & ic_hit_f; + assign sel_next_addr_bf = ((~exu_flush_final & ifc_fetch_req_f) & ~ifu_bp_hit_taken_f) & ic_hit_f; + assign fetch_addr_bf[31:1] = ((({31 {exu_flush_final}} & exu_flush_path_final[31:1]) | ({31 {sel_last_addr_bf}} & ifc_fetch_addr_f[31:1])) | ({31 {sel_btb_addr_bf}} & {ifu_bp_btb_target_f[31:1]})) | ({31 {sel_next_addr_bf}} & {fetch_addr_next[31:1]}); + end + else begin + assign sel_last_addr_bf = ~exu_flush_final & (~ifc_fetch_req_f | ~ic_hit_f); + assign sel_next_addr_bf = (~exu_flush_final & ifc_fetch_req_f) & ic_hit_f; + assign fetch_addr_bf[31:1] = (({31 {exu_flush_final}} & exu_flush_path_final[31:1]) | ({31 {sel_last_addr_bf}} & ifc_fetch_addr_f[31:1])) | ({31 {sel_next_addr_bf}} & {fetch_addr_next[31:1]}); + end + endgenerate + assign fetch_addr_next[31:1] = {{ifc_fetch_addr_f[31:2]} + 31'b0000000000000000000000000000001, fetch_addr_next_1}; + assign line_wrap = fetch_addr_next[pt[998-:7]] ^ ifc_fetch_addr_f[pt[998-:7]]; + assign fetch_addr_next_1 = (line_wrap ? 1'b0 : ifc_fetch_addr_f[1]); + assign ifc_fetch_req_bf_raw = ~idle; + assign ifc_fetch_req_bf = (((ifc_fetch_req_bf_raw & ~(fb_full_f_ns & ~(ifu_fb_consume2 | ifu_fb_consume1))) & ~dma_stall) & ~ic_write_stall) & ~dec_tlu_flush_noredir_wb; + assign fetch_bf_en = exu_flush_final | ifc_fetch_req_f; + assign miss_f = (ifc_fetch_req_f & ~ic_hit_f) & ~exu_flush_final; + assign mb_empty_mod = (((ifu_ic_mb_empty | exu_flush_final) & ~dma_stall) & ~miss_f) & ~miss_a; + assign goto_idle = exu_flush_final & dec_tlu_flush_noredir_wb; + assign leave_idle = (exu_flush_final & ~dec_tlu_flush_noredir_wb) & idle; + assign next_state[1] = (((~state[1] & state[0]) & miss_f) & ~goto_idle) | ((state[1] & ~mb_empty_mod) & ~goto_idle); + assign next_state[0] = (~goto_idle & leave_idle) | (state[0] & ~goto_idle); + assign flush_fb = exu_flush_final; + assign fb_right = ((ifu_fb_consume1 & ~ifu_fb_consume2) & (~ifc_fetch_req_f | miss_f)) | (ifu_fb_consume2 & ifc_fetch_req_f); + assign fb_right2 = ifu_fb_consume2 & (~ifc_fetch_req_f | miss_f); + assign fb_left = (ifc_fetch_req_f & ~(ifu_fb_consume1 | ifu_fb_consume2)) & ~miss_f; + assign fb_write_ns[3:0] = (((({4 {flush_fb}} & 4'b0001) | ({4 {~flush_fb & fb_right}} & {1'b0, fb_write_f[3:1]})) | ({4 {~flush_fb & fb_right2}} & {2'b00, fb_write_f[3:2]})) | ({4 {~flush_fb & fb_left}} & {fb_write_f[2:0], 1'b0})) | ({4 {((~flush_fb & ~fb_right) & ~fb_right2) & ~fb_left}} & fb_write_f[3:0]); + assign fb_full_f_ns = fb_write_ns[3]; + localparam [1:0] IDLE = 2'b00; + localparam [1:0] FETCH = 2'b01; + localparam [1:0] STALL = 2'b10; + assign idle = state == IDLE; + localparam [1:0] WFM = 2'b11; + assign wfm = state == WFM; + rvdffie #(.WIDTH(10)) fbwrite_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({dma_iccm_stall_any, miss_f, ifc_fetch_req_bf, next_state[1:0], fb_full_f_ns, fb_write_ns[3:0]}), + .dout({dma_iccm_stall_any_f, miss_a, ifc_fetch_req_f, state[1:0], fb_full_f, fb_write_f[3:0]}) + ); + assign ifu_pmu_fetch_stall = wfm | (ifc_fetch_req_bf_raw & ((fb_full_f & ~((ifu_fb_consume2 | ifu_fb_consume1) | exu_flush_final)) | dma_stall)); + assign ifc_fetch_addr_bf[31:1] = fetch_addr_bf[31:1]; + rvdffpcie #(.WIDTH(31)) faddrf1_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(fetch_bf_en), + .din(fetch_addr_bf[31:1]), + .dout(ifc_fetch_addr_f[31:1]) + ); + generate + if (pt[927-:5]) begin + wire iccm_acc_in_region_bf; + wire iccm_acc_in_range_bf; + rvrangecheck #( + .CCM_SADR(pt[887-:36]), + .CCM_SIZE(pt[851-:14]) + ) iccm_rangecheck( + .addr({ifc_fetch_addr_bf[31:1], 1'b0}), + .in_range(iccm_acc_in_range_bf), + .in_region(iccm_acc_in_region_bf) + ); + assign ifc_iccm_access_bf = iccm_acc_in_range_bf; + assign ifc_dma_access_ok = ((((~ifc_iccm_access_bf | (fb_full_f & ~(ifu_fb_consume2 | ifu_fb_consume1))) | (wfm & ~ifc_fetch_req_bf)) | idle) & ~exu_flush_final) | dma_iccm_stall_any_f; + assign ifc_region_acc_fault_bf = ~iccm_acc_in_range_bf & iccm_acc_in_region_bf; + end + else begin + assign ifc_iccm_access_bf = 1'b0; + assign ifc_dma_access_ok = 1'b0; + assign ifc_region_acc_fault_bf = 1'b0; + end + endgenerate + assign ifc_fetch_uncacheable_bf = ~dec_tlu_mrac_ff[{ifc_fetch_addr_bf[31:28], 1'b0}]; +endmodule +module eb1_ifu_mem_ctl ( + clk, + active_clk, + free_l2clk, + rst_l, + exu_flush_final, + dec_tlu_flush_lower_wb, + dec_tlu_flush_err_wb, + dec_tlu_i0_commit_cmt, + dec_tlu_force_halt, + ifc_fetch_addr_bf, + ifc_fetch_uncacheable_bf, + ifc_fetch_req_bf, + ifc_fetch_req_bf_raw, + ifc_iccm_access_bf, + ifc_region_acc_fault_bf, + ifc_dma_access_ok, + dec_tlu_fence_i_wb, + ifu_bp_hit_taken_f, + ifu_bp_inst_mask_f, + ifu_miss_state_idle, + ifu_ic_mb_empty, + ic_dma_active, + ic_write_stall, + ifu_pmu_ic_miss, + ifu_pmu_ic_hit, + ifu_pmu_bus_error, + ifu_pmu_bus_busy, + ifu_pmu_bus_trxn, + ifu_axi_awvalid, + ifu_axi_awid, + ifu_axi_awaddr, + ifu_axi_awregion, + ifu_axi_awlen, + ifu_axi_awsize, + ifu_axi_awburst, + ifu_axi_awlock, + ifu_axi_awcache, + ifu_axi_awprot, + ifu_axi_awqos, + ifu_axi_wvalid, + ifu_axi_wdata, + ifu_axi_wstrb, + ifu_axi_wlast, + ifu_axi_bready, + ifu_axi_arvalid, + ifu_axi_arready, + ifu_axi_arid, + ifu_axi_araddr, + ifu_axi_arregion, + ifu_axi_arlen, + ifu_axi_arsize, + ifu_axi_arburst, + ifu_axi_arlock, + ifu_axi_arcache, + ifu_axi_arprot, + ifu_axi_arqos, + ifu_axi_rvalid, + ifu_axi_rready, + ifu_axi_rid, + ifu_axi_rdata, + ifu_axi_rresp, + ifu_bus_clk_en, + dma_iccm_req, + dma_mem_addr, + dma_mem_sz, + dma_mem_write, + dma_mem_wdata, + dma_mem_tag, + iccm_dma_ecc_error, + iccm_dma_rvalid, + iccm_dma_rdata, + iccm_dma_rtag, + iccm_ready, + ic_rw_addr, + ic_wr_en, + ic_rd_en, + ic_wr_data, + ic_rd_data, + ic_debug_rd_data, + ictag_debug_rd_data, + ic_debug_wr_data, + ifu_ic_debug_rd_data, + ic_eccerr, + ic_parerr, + ic_debug_addr, + ic_debug_rd_en, + ic_debug_wr_en, + ic_debug_tag_array, + ic_debug_way, + ic_tag_valid, + ic_rd_hit, + ic_tag_perr, + iccm_rw_addr, + iccm_wren, + iccm_rden, + iccm_wr_data, + iccm_wr_size, + iccm_rd_data, + iccm_rd_data_ecc, + ifu_fetch_val, + ic_hit_f, + ic_access_fault_f, + ic_access_fault_type_f, + iccm_rd_ecc_single_err, + iccm_rd_ecc_double_err, + ic_error_start, + ifu_async_error_start, + iccm_dma_sb_error, + ic_fetch_val_f, + ic_data_f, + ic_premux_data, + ic_sel_premux_data, + dec_tlu_ic_diag_pkt, + dec_tlu_core_ecc_disable, + ifu_ic_debug_rd_data_valid, + iccm_buf_correct_ecc, + iccm_correction_state, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire active_clk; + input wire free_l2clk; + input wire rst_l; + input wire exu_flush_final; + input wire dec_tlu_flush_lower_wb; + input wire dec_tlu_flush_err_wb; + input wire dec_tlu_i0_commit_cmt; + input wire dec_tlu_force_halt; + input wire [31:1] ifc_fetch_addr_bf; + input wire ifc_fetch_uncacheable_bf; + input wire ifc_fetch_req_bf; + input wire ifc_fetch_req_bf_raw; + input wire ifc_iccm_access_bf; + input wire ifc_region_acc_fault_bf; + input wire ifc_dma_access_ok; + input wire dec_tlu_fence_i_wb; + input wire ifu_bp_hit_taken_f; + input wire ifu_bp_inst_mask_f; + output wire ifu_miss_state_idle; + output wire ifu_ic_mb_empty; + output wire ic_dma_active; + output wire ic_write_stall; + output wire ifu_pmu_ic_miss; + output wire ifu_pmu_ic_hit; + output wire ifu_pmu_bus_error; + output wire ifu_pmu_bus_busy; + output wire ifu_pmu_bus_trxn; + output wire ifu_axi_awvalid; + output wire [pt[826-:8] - 1:0] ifu_axi_awid; + output wire [31:0] ifu_axi_awaddr; + output wire [3:0] ifu_axi_awregion; + output wire [7:0] ifu_axi_awlen; + output wire [2:0] ifu_axi_awsize; + output wire [1:0] ifu_axi_awburst; + output wire ifu_axi_awlock; + output wire [3:0] ifu_axi_awcache; + output wire [2:0] ifu_axi_awprot; + output wire [3:0] ifu_axi_awqos; + output wire ifu_axi_wvalid; + output wire [63:0] ifu_axi_wdata; + output wire [7:0] ifu_axi_wstrb; + output wire ifu_axi_wlast; + output wire ifu_axi_bready; + output wire ifu_axi_arvalid; + input wire ifu_axi_arready; + output wire [pt[826-:8] - 1:0] ifu_axi_arid; + output wire [31:0] ifu_axi_araddr; + output wire [3:0] ifu_axi_arregion; + output wire [7:0] ifu_axi_arlen; + output wire [2:0] ifu_axi_arsize; + output wire [1:0] ifu_axi_arburst; + output wire ifu_axi_arlock; + output wire [3:0] ifu_axi_arcache; + output wire [2:0] ifu_axi_arprot; + output wire [3:0] ifu_axi_arqos; + input wire ifu_axi_rvalid; + output wire ifu_axi_rready; + input wire [pt[826-:8] - 1:0] ifu_axi_rid; + input wire [63:0] ifu_axi_rdata; + input wire [1:0] ifu_axi_rresp; + input wire ifu_bus_clk_en; + input wire dma_iccm_req; + input wire [31:0] dma_mem_addr; + input wire [2:0] dma_mem_sz; + input wire dma_mem_write; + input wire [63:0] dma_mem_wdata; + input wire [2:0] dma_mem_tag; + output wire iccm_dma_ecc_error; + output wire iccm_dma_rvalid; + output wire [63:0] iccm_dma_rdata; + output wire [2:0] iccm_dma_rtag; + output wire iccm_ready; + output wire [31:1] ic_rw_addr; + output wire [pt[1060-:7] - 1:0] ic_wr_en; + output wire ic_rd_en; + output wire [(pt[1189-:7] * 71) - 1:0] ic_wr_data; + input wire [63:0] ic_rd_data; + input wire [70:0] ic_debug_rd_data; + input wire [25:0] ictag_debug_rd_data; + output wire [70:0] ic_debug_wr_data; + output wire [70:0] ifu_ic_debug_rd_data; + input wire [pt[1189-:7] - 1:0] ic_eccerr; + input wire [pt[1189-:7] - 1:0] ic_parerr; + output wire [pt[1104-:9]:3] ic_debug_addr; + output wire ic_debug_rd_en; + output wire ic_debug_wr_en; + output wire ic_debug_tag_array; + output wire [pt[1060-:7] - 1:0] ic_debug_way; + output wire [pt[1060-:7] - 1:0] ic_tag_valid; + input wire [pt[1060-:7] - 1:0] ic_rd_hit; + input wire ic_tag_perr; + output wire [pt[936-:9] - 1:1] iccm_rw_addr; + output wire iccm_wren; + output wire iccm_rden; + output wire [77:0] iccm_wr_data; + output wire [2:0] iccm_wr_size; + input wire [63:0] iccm_rd_data; + input wire [77:0] iccm_rd_data_ecc; + input wire [1:0] ifu_fetch_val; + output wire ic_hit_f; + output wire [1:0] ic_access_fault_f; + output wire [1:0] ic_access_fault_type_f; + output wire iccm_rd_ecc_single_err; + output wire [1:0] iccm_rd_ecc_double_err; + output wire ic_error_start; + output wire ifu_async_error_start; + output wire iccm_dma_sb_error; + output wire [1:0] ic_fetch_val_f; + output wire [31:0] ic_data_f; + output wire [63:0] ic_premux_data; + output wire ic_sel_premux_data; + input wire [89:0] dec_tlu_ic_diag_pkt; + input wire dec_tlu_core_ecc_disable; + output wire ifu_ic_debug_rd_data_valid; + output wire iccm_buf_correct_ecc; + output reg iccm_correction_state; + input wire scan_mode; + localparam NUM_OF_BEATS = 8; + wire [31:3] ifu_ic_req_addr_f; + wire uncacheable_miss_in; + wire uncacheable_miss_ff; + wire bus_ifu_wr_en; + wire bus_ifu_wr_en_ff; + wire bus_ifu_wr_en_ff_q; + wire bus_ifu_wr_en_ff_wo_err; + wire [pt[1060-:7] - 1:0] bus_ic_wr_en; + wire reset_tag_valid_for_miss; + reg [pt[1027-:7] - 1:0] way_status; + wire [pt[1027-:7] - 1:0] way_status_mb_in; + wire [pt[1027-:7] - 1:0] way_status_rep_new; + wire [pt[1027-:7] - 1:0] way_status_mb_ff; + wire [pt[1027-:7] - 1:0] way_status_new; + wire [pt[1027-:7] - 1:0] way_status_hit_new; + wire [pt[1027-:7] - 1:0] way_status_new_w_debug; + wire [pt[1060-:7] - 1:0] tagv_mb_in; + wire [pt[1060-:7] - 1:0] tagv_mb_ff; + wire ifu_wr_data_comb_err; + wire ifu_byp_data_err_new; + wire [1:0] ifu_byp_data_err_f; + wire ifu_wr_cumulative_err_data; + wire ifu_wr_cumulative_err; + wire ifu_wr_data_comb_err_ff; + wire scnd_miss_index_match; + wire ifc_dma_access_q_ok; + wire ifc_iccm_access_f; + wire ifc_region_acc_fault_f; + wire ifc_region_acc_fault_final_f; + wire [1:0] ifc_bus_acc_fault_f; + wire ic_act_miss_f; + wire ic_miss_under_miss_f; + wire ic_ignore_2nd_miss_f; + wire ic_act_hit_f; + wire miss_pending; + wire [31:1] imb_in; + wire [31:1] imb_ff; + wire [31:pt[1182-:8] + 1] miss_addr_in; + wire [31:pt[1182-:8] + 1] miss_addr; + wire miss_wrap_f; + wire flush_final_f; + wire ifc_fetch_req_f; + wire ifc_fetch_req_f_raw; + wire fetch_req_f_qual; + wire ifc_fetch_req_qual_bf; + wire [pt[1060-:7] - 1:0] replace_way_mb_any; + wire last_beat; + wire reset_beat_cnt; + wire [pt[1182-:8]:3] ic_req_addr_bits_hi_3; + wire [pt[1182-:8]:3] ic_wr_addr_bits_hi_3; + wire [31:1] ifu_fetch_addr_int_f; + wire [31:1] ifu_ic_rw_int_addr; + wire crit_wd_byp_ok_ff; + wire ic_crit_wd_rdy_new_ff; + wire [79:0] ic_byp_data_only_pre_new; + wire [79:0] ic_byp_data_only_new; + wire ic_byp_hit_f; + wire ic_valid; + wire ic_valid_ff; + wire reset_all_tags; + wire ic_valid_w_debug; + wire [pt[1060-:7] - 1:0] ifu_tag_wren; + wire [pt[1060-:7] - 1:0] ifu_tag_wren_ff; + wire [pt[1060-:7] - 1:0] ic_debug_tag_wr_en; + wire [pt[1060-:7] - 1:0] ifu_tag_wren_w_debug; + wire [pt[1060-:7] - 1:0] ic_debug_way_ff; + wire ic_debug_rd_en_ff; + wire fetch_bf_f_c1_clken; + wire fetch_bf_f_c1_clk; + wire debug_c1_clken; + wire debug_c1_clk; + wire reset_ic_in; + wire reset_ic_ff; + wire [pt[1182-:8]:1] vaddr_f; + wire [31:1] ifu_status_wr_addr; + wire sel_mb_addr; + wire sel_mb_addr_ff; + wire sel_mb_status_addr; + wire [63:0] ic_final_data; + wire [pt[1104-:9]:pt[998-:7]] ifu_ic_rw_int_addr_ff; + wire [pt[1104-:9]:pt[998-:7]] ifu_status_wr_addr_ff; + wire [pt[1104-:9]:pt[998-:7]] ifu_ic_rw_int_addr_w_debug; + wire [pt[1104-:9]:pt[998-:7]] ifu_status_wr_addr_w_debug; + wire [pt[1027-:7] - 1:0] way_status_new_ff; + wire way_status_wr_en_ff; + wire [(pt[1015-:17] * pt[1027-:7]) - 1:0] way_status_out; + wire [1:0] ic_debug_way_enc; + wire [pt[826-:8] - 1:0] ifu_bus_rid_ff; + wire fetch_req_icache_f; + wire fetch_req_iccm_f; + wire ic_iccm_hit_f; + wire fetch_uncacheable_ff; + wire way_status_wr_en; + wire sel_byp_data; + wire sel_ic_data; + wire sel_iccm_data; + wire ic_rd_parity_final_err; + wire ic_act_miss_f_delayed; + wire bus_ifu_wr_data_error; + wire bus_ifu_wr_data_error_ff; + wire way_status_wr_en_w_debug; + wire ic_debug_tag_val_rd_out; + wire ifu_pmu_ic_miss_in; + wire ifu_pmu_ic_hit_in; + wire ifu_pmu_bus_error_in; + wire ifu_pmu_bus_trxn_in; + wire ifu_pmu_bus_busy_in; + wire ic_debug_ict_array_sel_in; + wire ic_debug_ict_array_sel_ff; + wire debug_data_clken; + wire last_data_recieved_in; + wire last_data_recieved_ff; + wire ifu_bus_rvalid; + wire ifu_bus_rvalid_ff; + wire ifu_bus_rvalid_unq_ff; + wire ifu_bus_arready_unq; + wire ifu_bus_arready_unq_ff; + wire ifu_bus_arvalid; + wire ifu_bus_arvalid_ff; + wire ifu_bus_arready; + wire ifu_bus_arready_ff; + wire [63:0] ifu_bus_rdata_ff; + wire [1:0] ifu_bus_rresp_ff; + wire ifu_bus_rsp_valid; + wire ifu_bus_rsp_ready; + wire [pt[826-:8] - 1:0] ifu_bus_rsp_tag; + wire [63:0] ifu_bus_rsp_rdata; + wire [1:0] ifu_bus_rsp_opc; + wire [pt[1084-:8] - 1:0] write_fill_data; + wire [pt[1084-:8] - 1:0] wr_data_c1_clk; + wire [pt[1084-:8] - 1:0] ic_miss_buff_data_valid_in; + wire [pt[1084-:8] - 1:0] ic_miss_buff_data_valid; + wire [pt[1084-:8] - 1:0] ic_miss_buff_data_error_in; + wire [pt[1084-:8] - 1:0] ic_miss_buff_data_error; + wire [pt[1182-:8]:1] byp_fetch_index; + wire [pt[1182-:8]:2] byp_fetch_index_0; + wire [pt[1182-:8]:2] byp_fetch_index_1; + wire [pt[1182-:8]:3] byp_fetch_index_inc; + wire [pt[1182-:8]:2] byp_fetch_index_inc_0; + wire [pt[1182-:8]:2] byp_fetch_index_inc_1; + wire miss_buff_hit_unq_f; + wire stream_hit_f; + wire stream_miss_f; + wire stream_eol_f; + wire crit_byp_hit_f; + wire [pt[826-:8] - 1:0] other_tag; + wire [((2 * pt[1084-:8]) * 32) - 1:0] ic_miss_buff_data; + wire [63:0] ic_miss_buff_half; + wire scnd_miss_req; + wire scnd_miss_req_q; + wire scnd_miss_req_in; + wire [pt[936-:9] - 1:2] iccm_ecc_corr_index_ff; + wire [pt[936-:9] - 1:2] iccm_ecc_corr_index_in; + wire [38:0] iccm_ecc_corr_data_ff; + wire iccm_ecc_write_status; + wire iccm_rd_ecc_single_err_ff; + wire iccm_error_start; + reg perr_state_en; + reg miss_state_en; + wire busclk; + wire busclk_force; + wire busclk_reset; + wire bus_ifu_bus_clk_en_ff; + wire bus_ifu_bus_clk_en; + wire ifc_bus_ic_req_ff_in; + wire ifu_bus_cmd_valid; + wire ifu_bus_cmd_ready; + wire bus_inc_data_beat_cnt; + wire bus_reset_data_beat_cnt; + wire bus_hold_data_beat_cnt; + wire bus_inc_cmd_beat_cnt; + wire bus_reset_cmd_beat_cnt_0; + wire bus_reset_cmd_beat_cnt_secondlast; + wire bus_hold_cmd_beat_cnt; + wire [pt[1174-:8] - 1:0] bus_new_data_beat_count; + wire [pt[1174-:8] - 1:0] bus_data_beat_count; + wire [pt[1174-:8] - 1:0] bus_new_cmd_beat_count; + wire [pt[1174-:8] - 1:0] bus_cmd_beat_count; + wire [pt[1174-:8] - 1:0] bus_new_rd_addr_count; + wire [pt[1174-:8] - 1:0] bus_rd_addr_count; + wire bus_cmd_sent; + wire bus_last_data_beat; + wire [pt[1060-:7] - 1:0] bus_wren; + wire [pt[1060-:7] - 1:0] bus_wren_last; + wire [pt[1060-:7] - 1:0] wren_reset_miss; + wire ifc_dma_access_ok_d; + wire ifc_dma_access_ok_prev; + wire bus_cmd_req_in; + wire bus_cmd_req_hold; + wire second_half_available; + wire write_ic_16_bytes; + wire ifc_region_acc_fault_final_bf; + wire ifc_region_acc_fault_memory_bf; + wire ifc_region_acc_fault_memory_f; + wire ifc_region_acc_okay; + wire iccm_correct_ecc; + wire dma_sb_err_state; + wire dma_sb_err_state_ff; + wire two_byte_instr; + wire [2:0] miss_state; + reg [2:0] miss_nxtstate; + wire [1:0] err_stop_state; + reg [1:0] err_stop_nxtstate; + reg err_stop_state_en; + reg err_stop_fetch; + wire ic_crit_wd_rdy; + wire ifu_bp_hit_taken_q_f; + wire ifu_bus_rvalid_unq; + wire bus_cmd_beat_en; + assign fetch_bf_f_c1_clken = (((ifc_fetch_req_bf_raw | ifc_fetch_req_f) | miss_pending) | exu_flush_final) | scnd_miss_req; + assign debug_c1_clken = ic_debug_rd_en | ic_debug_wr_en; + rvclkhdr fetch_bf_f_c1_cgc( + .en(fetch_bf_f_c1_clken), + .l1clk(fetch_bf_f_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvclkhdr debug_c1_cgc( + .en(debug_c1_clken), + .l1clk(debug_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + wire [1:0] iccm_single_ecc_error; + wire dma_iccm_req_f; + assign iccm_dma_sb_error = |iccm_single_ecc_error[1:0] & dma_iccm_req_f; + assign ifu_async_error_start = iccm_rd_ecc_single_err | ic_error_start; + wire [2:0] perr_state; + reg [2:0] perr_nxtstate; + localparam [2:0] DMA_SB_ERR = 3'b100; + localparam [1:0] ERR_STOP_FETCH = 2'b11; + assign ic_dma_active = (((iccm_correct_ecc | (perr_state == DMA_SB_ERR)) | (err_stop_state == ERR_STOP_FETCH)) | err_stop_fetch) | dec_tlu_flush_err_wb; + localparam [2:0] SCND_MISS = 3'b101; + assign scnd_miss_req_in = (((((ifu_bus_rsp_valid & bus_ifu_bus_clk_en) & ifu_bus_rsp_ready) & &bus_new_data_beat_count[pt[1174-:8] - 1:0]) & ~uncacheable_miss_ff) & ((miss_state == SCND_MISS) | (miss_nxtstate == SCND_MISS))) & ~exu_flush_final; + assign ifu_bp_hit_taken_q_f = ifu_bp_hit_taken_f & ic_hit_f; + localparam [2:0] CRIT_BYP_OK = 3'b001; + localparam [2:0] CRIT_WRD_RDY = 3'b100; + localparam [2:0] HIT_U_MISS = 3'b010; + localparam [2:0] IDLE = 3'b000; + localparam [2:0] MISS_WAIT = 3'b011; + localparam [2:0] STALL_SCND_MISS = 3'b111; + localparam [2:0] STREAM = 3'b110; + always @(*) begin : MISS_SM + miss_nxtstate = IDLE; + miss_state_en = 1'b0; + case (miss_state) + IDLE: begin : idle + miss_nxtstate = (ic_act_miss_f & ~exu_flush_final ? CRIT_BYP_OK : HIT_U_MISS); + miss_state_en = ic_act_miss_f & ~dec_tlu_force_halt; + end + CRIT_BYP_OK: begin : crit_byp_ok + miss_nxtstate = (dec_tlu_force_halt ? IDLE : ((ic_byp_hit_f & (last_data_recieved_ff | (bus_ifu_wr_en_ff & last_beat))) & uncacheable_miss_ff ? IDLE : ((ic_byp_hit_f & ~last_data_recieved_ff) & uncacheable_miss_ff ? MISS_WAIT : (((~ic_byp_hit_f & ~exu_flush_final) & (bus_ifu_wr_en_ff & last_beat)) & uncacheable_miss_ff ? CRIT_WRD_RDY : ((bus_ifu_wr_en_ff & last_beat) & ~uncacheable_miss_ff ? IDLE : ((((ic_byp_hit_f & ~exu_flush_final) & ~(bus_ifu_wr_en_ff & last_beat)) & ~ifu_bp_hit_taken_q_f) & ~uncacheable_miss_ff ? STREAM : ((((bus_ifu_wr_en_ff & ~exu_flush_final) & ~(bus_ifu_wr_en_ff & last_beat)) & ~ifu_bp_hit_taken_q_f) & ~uncacheable_miss_ff ? STREAM : (((~ic_byp_hit_f & ~exu_flush_final) & (bus_ifu_wr_en_ff & last_beat)) & ~uncacheable_miss_ff ? IDLE : ((exu_flush_final | ifu_bp_hit_taken_q_f) & ~(bus_ifu_wr_en_ff & last_beat) ? HIT_U_MISS : IDLE))))))))); + miss_state_en = ((((dec_tlu_force_halt | exu_flush_final) | ic_byp_hit_f) | ifu_bp_hit_taken_q_f) | (bus_ifu_wr_en_ff & last_beat)) | (bus_ifu_wr_en_ff & ~uncacheable_miss_ff); + end + CRIT_WRD_RDY: begin : crit_wrd_rdy + miss_nxtstate = IDLE; + miss_state_en = ((exu_flush_final | flush_final_f) | ic_byp_hit_f) | dec_tlu_force_halt; + end + STREAM: begin : stream + miss_nxtstate = ((((exu_flush_final | ifu_bp_hit_taken_q_f) | stream_eol_f) & ~(bus_ifu_wr_en_ff & last_beat)) & ~dec_tlu_force_halt ? HIT_U_MISS : IDLE); + miss_state_en = (((exu_flush_final | ifu_bp_hit_taken_q_f) | stream_eol_f) | (bus_ifu_wr_en_ff & last_beat)) | dec_tlu_force_halt; + end + MISS_WAIT: begin : miss_wait + miss_nxtstate = ((exu_flush_final & ~(bus_ifu_wr_en_ff & last_beat)) & ~dec_tlu_force_halt ? HIT_U_MISS : IDLE); + miss_state_en = (exu_flush_final | (bus_ifu_wr_en_ff & last_beat)) | dec_tlu_force_halt; + end + HIT_U_MISS: begin : hit_u_miss + miss_nxtstate = ((ic_miss_under_miss_f & ~(bus_ifu_wr_en_ff & last_beat)) & ~dec_tlu_force_halt ? SCND_MISS : ((ic_ignore_2nd_miss_f & ~(bus_ifu_wr_en_ff & last_beat)) & ~dec_tlu_force_halt ? STALL_SCND_MISS : IDLE)); + miss_state_en = (((bus_ifu_wr_en_ff & last_beat) | ic_miss_under_miss_f) | ic_ignore_2nd_miss_f) | dec_tlu_force_halt; + end + SCND_MISS: begin : scnd_miss + miss_nxtstate = (dec_tlu_force_halt ? IDLE : (exu_flush_final ? (bus_ifu_wr_en_ff & last_beat ? IDLE : HIT_U_MISS) : CRIT_BYP_OK)); + miss_state_en = ((bus_ifu_wr_en_ff & last_beat) | exu_flush_final) | dec_tlu_force_halt; + end + STALL_SCND_MISS: begin : stall_scnd_miss + miss_nxtstate = (dec_tlu_force_halt ? IDLE : (exu_flush_final ? (bus_ifu_wr_en_ff & last_beat ? IDLE : HIT_U_MISS) : IDLE)); + miss_state_en = ((bus_ifu_wr_en_ff & last_beat) | exu_flush_final) | dec_tlu_force_halt; + end + default: begin : def_case + miss_nxtstate = IDLE; + miss_state_en = 1'b0; + end + endcase + end + rvdffs #(.WIDTH(3)) miss_state_ff( + .clk(active_clk), + .din(miss_nxtstate), + .dout({miss_state}), + .en(miss_state_en), + .rst_l(rst_l) + ); + wire sel_hold_imb; + assign miss_pending = miss_state != IDLE; + assign crit_wd_byp_ok_ff = (miss_state == CRIT_BYP_OK) | ((miss_state == CRIT_WRD_RDY) & ~flush_final_f); + assign sel_hold_imb = ((((miss_pending & ~(bus_ifu_wr_en_ff & last_beat)) & ~((miss_state == CRIT_WRD_RDY) & exu_flush_final)) & ~((miss_state == CRIT_WRD_RDY) & crit_byp_hit_f)) | ic_act_miss_f) | (miss_pending & (miss_nxtstate == CRIT_WRD_RDY)); + wire sel_hold_imb_scnd; + wire [31:1] imb_scnd_in; + wire [31:1] imb_scnd_ff; + wire uncacheable_miss_scnd_in; + wire uncacheable_miss_scnd_ff; + wire [pt[1060-:7] - 1:0] tagv_mb_scnd_in; + wire [pt[1060-:7] - 1:0] tagv_mb_scnd_ff; + wire [pt[1027-:7] - 1:0] way_status_mb_scnd_in; + wire [pt[1027-:7] - 1:0] way_status_mb_scnd_ff; + assign sel_hold_imb_scnd = ((miss_state == SCND_MISS) | ic_miss_under_miss_f) & ~flush_final_f; + assign way_status_mb_scnd_in[pt[1027-:7] - 1:0] = (miss_state == SCND_MISS ? way_status_mb_scnd_ff[pt[1027-:7] - 1:0] : {way_status[pt[1027-:7] - 1:0]}); + assign tagv_mb_scnd_in[pt[1060-:7] - 1:0] = (miss_state == SCND_MISS ? tagv_mb_scnd_ff[pt[1060-:7] - 1:0] : {ic_tag_valid[pt[1060-:7] - 1:0]} & {pt[1060-:7] {~reset_all_tags & ~exu_flush_final}}); + assign uncacheable_miss_scnd_in = (sel_hold_imb_scnd ? uncacheable_miss_scnd_ff : ifc_fetch_uncacheable_bf); + rvdff_fpga #(.WIDTH(1)) unc_miss_scnd_ff( + .rst_l(rst_l), + .clk(fetch_bf_f_c1_clk), + .clken(fetch_bf_f_c1_clken), + .rawclk(clk), + .din(uncacheable_miss_scnd_in), + .dout(uncacheable_miss_scnd_ff) + ); + rvdffpcie #(.WIDTH(31)) imb_f_scnd_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(fetch_bf_f_c1_clken), + .din({imb_scnd_in[31:1]}), + .dout({imb_scnd_ff[31:1]}) + ); + rvdff_fpga #(.WIDTH(pt[1027-:7])) mb_rep_wayf2_scnd_ff( + .rst_l(rst_l), + .clk(fetch_bf_f_c1_clk), + .clken(fetch_bf_f_c1_clken), + .rawclk(clk), + .din({way_status_mb_scnd_in[pt[1027-:7] - 1:0]}), + .dout({way_status_mb_scnd_ff[pt[1027-:7] - 1:0]}) + ); + rvdff_fpga #(.WIDTH(pt[1060-:7])) mb_tagv_scnd_ff( + .rst_l(rst_l), + .clk(fetch_bf_f_c1_clk), + .clken(fetch_bf_f_c1_clken), + .rawclk(clk), + .din({tagv_mb_scnd_in[pt[1060-:7] - 1:0]}), + .dout({tagv_mb_scnd_ff[pt[1060-:7] - 1:0]}) + ); + assign ic_req_addr_bits_hi_3[pt[1182-:8]:3] = bus_rd_addr_count[pt[1174-:8] - 1:0]; + assign ic_wr_addr_bits_hi_3[pt[1182-:8]:3] = ifu_bus_rid_ff[pt[1174-:8] - 1:0] & {pt[1174-:8] {bus_ifu_wr_en_ff}}; + assign fetch_req_icache_f = (ifc_fetch_req_f & ~ifc_iccm_access_f) & ~ifc_region_acc_fault_final_f; + assign fetch_req_iccm_f = ifc_fetch_req_f & ifc_iccm_access_f; + assign ic_iccm_hit_f = fetch_req_iccm_f & ((~miss_pending | (miss_state == HIT_U_MISS)) | (miss_state == STREAM)); + assign ic_byp_hit_f = ((crit_byp_hit_f | stream_hit_f) & fetch_req_icache_f) & miss_pending; + assign ic_act_hit_f = (((|ic_rd_hit[pt[1060-:7] - 1:0] & fetch_req_icache_f) & ~reset_all_tags) & (~miss_pending | (miss_state == HIT_U_MISS))) & ~sel_mb_addr_ff; + assign ic_act_miss_f = ((((~(|ic_rd_hit[pt[1060-:7] - 1:0]) | reset_all_tags) & fetch_req_icache_f) & ~miss_pending) | scnd_miss_req) & ~ifc_region_acc_fault_final_f; + assign ic_miss_under_miss_f = ((((((~(|ic_rd_hit[pt[1060-:7] - 1:0]) | reset_all_tags) & fetch_req_icache_f) & (miss_state == HIT_U_MISS)) & (imb_ff[31:pt[998-:7]] != ifu_fetch_addr_int_f[31:pt[998-:7]])) & ~uncacheable_miss_ff) & ~sel_mb_addr_ff) & ~ifc_region_acc_fault_final_f; + assign ic_ignore_2nd_miss_f = (((~(|ic_rd_hit[pt[1060-:7] - 1:0]) | reset_all_tags) & fetch_req_icache_f) & (miss_state == HIT_U_MISS)) & ((imb_ff[31:pt[998-:7]] == ifu_fetch_addr_int_f[31:pt[998-:7]]) | uncacheable_miss_ff); + assign ic_hit_f = ((ic_act_hit_f | ic_byp_hit_f) | ic_iccm_hit_f) | (ifc_region_acc_fault_final_f & ifc_fetch_req_f); + assign uncacheable_miss_in = (scnd_miss_req ? uncacheable_miss_scnd_ff : (sel_hold_imb ? uncacheable_miss_ff : ifc_fetch_uncacheable_bf)); + assign imb_in[31:1] = (scnd_miss_req ? imb_scnd_ff[31:1] : (sel_hold_imb ? imb_ff[31:1] : {ifc_fetch_addr_bf[31:1]})); + assign imb_scnd_in[31:1] = (sel_hold_imb_scnd ? imb_scnd_ff[31:1] : {ifc_fetch_addr_bf[31:1]}); + assign scnd_miss_index_match = ((imb_ff[pt[1104-:9]:pt[998-:7]] == imb_scnd_ff[pt[1104-:9]:pt[998-:7]]) & scnd_miss_req) & ~ifu_wr_cumulative_err_data; + assign way_status_mb_in[pt[1027-:7] - 1:0] = (scnd_miss_req & ~scnd_miss_index_match ? way_status_mb_scnd_ff[pt[1027-:7] - 1:0] : (scnd_miss_req & scnd_miss_index_match ? way_status_rep_new[pt[1027-:7] - 1:0] : (miss_pending ? way_status_mb_ff[pt[1027-:7] - 1:0] : {way_status[pt[1027-:7] - 1:0]}))); + assign tagv_mb_in[pt[1060-:7] - 1:0] = (scnd_miss_req ? tagv_mb_scnd_ff[pt[1060-:7] - 1:0] | ({pt[1060-:7] {scnd_miss_index_match}} & replace_way_mb_any[pt[1060-:7] - 1:0]) : (miss_pending ? tagv_mb_ff[pt[1060-:7] - 1:0] : {ic_tag_valid[pt[1060-:7] - 1:0]} & {pt[1060-:7] {~reset_all_tags & ~exu_flush_final}})); + assign reset_ic_in = (miss_pending & ~scnd_miss_req_q) & (reset_all_tags | reset_ic_ff); + rvdffpcie #(.WIDTH(31)) ifu_fetch_addr_f_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(fetch_bf_f_c1_clken), + .din({ifc_fetch_addr_bf[31:1]}), + .dout({ifu_fetch_addr_int_f[31:1]}) + ); + assign vaddr_f[pt[1182-:8]:1] = ifu_fetch_addr_int_f[pt[1182-:8]:1]; + rvdffpcie #(.WIDTH(31)) imb_f_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(fetch_bf_f_c1_clken), + .din(imb_in[31:1]), + .dout(imb_ff[31:1]) + ); + rvdff_fpga #(.WIDTH(1)) unc_miss_ff( + .rst_l(rst_l), + .clk(fetch_bf_f_c1_clk), + .clken(fetch_bf_f_c1_clken), + .rawclk(clk), + .din(uncacheable_miss_in), + .dout(uncacheable_miss_ff) + ); + assign miss_addr_in[31:pt[1182-:8] + 1] = (~miss_pending ? imb_ff[31:pt[1182-:8] + 1] : (scnd_miss_req_q ? imb_scnd_ff[31:pt[1182-:8] + 1] : miss_addr[31:pt[1182-:8] + 1])); + rvdfflie #( + .WIDTH(31 - pt[1182-:8]), + .LEFT((31 - pt[1182-:8]) - 8) + ) miss_f_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en((bus_ifu_bus_clk_en | ic_act_miss_f) | dec_tlu_force_halt), + .din({miss_addr_in[31:pt[1182-:8] + 1]}), + .dout({miss_addr[31:pt[1182-:8] + 1]}) + ); + rvdff_fpga #(.WIDTH(pt[1027-:7])) mb_rep_wayf2_ff( + .rst_l(rst_l), + .clk(fetch_bf_f_c1_clk), + .clken(fetch_bf_f_c1_clken), + .rawclk(clk), + .din({way_status_mb_in[pt[1027-:7] - 1:0]}), + .dout({way_status_mb_ff[pt[1027-:7] - 1:0]}) + ); + rvdff_fpga #(.WIDTH(pt[1060-:7])) mb_tagv_ff( + .rst_l(rst_l), + .clk(fetch_bf_f_c1_clk), + .clken(fetch_bf_f_c1_clken), + .rawclk(clk), + .din({tagv_mb_in[pt[1060-:7] - 1:0]}), + .dout({tagv_mb_ff[pt[1060-:7] - 1:0]}) + ); + assign ifc_fetch_req_qual_bf = (ifc_fetch_req_bf & ~((miss_state == CRIT_WRD_RDY) & flush_final_f)) & ~stream_miss_f; + assign ifc_fetch_req_f = ifc_fetch_req_f_raw & ~exu_flush_final; + rvdff_fpga #(.WIDTH(1)) ifu_iccm_acc_ff( + .rst_l(rst_l), + .clk(fetch_bf_f_c1_clk), + .clken(fetch_bf_f_c1_clken), + .rawclk(clk), + .din(ifc_iccm_access_bf), + .dout(ifc_iccm_access_f) + ); + rvdff_fpga #(.WIDTH(1)) ifu_iccm_reg_acc_ff( + .rst_l(rst_l), + .clk(fetch_bf_f_c1_clk), + .clken(fetch_bf_f_c1_clken), + .rawclk(clk), + .din(ifc_region_acc_fault_final_bf), + .dout(ifc_region_acc_fault_final_f) + ); + rvdff_fpga #(.WIDTH(1)) rgn_acc_ff( + .rst_l(rst_l), + .clk(fetch_bf_f_c1_clk), + .clken(fetch_bf_f_c1_clken), + .rawclk(clk), + .din(ifc_region_acc_fault_bf), + .dout(ifc_region_acc_fault_f) + ); + assign ifu_ic_req_addr_f[31:3] = {miss_addr[31:pt[1182-:8] + 1], ic_req_addr_bits_hi_3[pt[1182-:8]:3]}; + assign ifu_ic_mb_empty = (((miss_state == HIT_U_MISS) | (miss_state == STREAM)) & ~(bus_ifu_wr_en_ff & last_beat)) | ~miss_pending; + assign ifu_miss_state_idle = miss_state == IDLE; + assign sel_mb_addr = ((miss_pending & write_ic_16_bytes) & ~uncacheable_miss_ff) | reset_tag_valid_for_miss; + assign ifu_ic_rw_int_addr[31:1] = ({31 {sel_mb_addr}} & {imb_ff[31:pt[1182-:8] + 1], ic_wr_addr_bits_hi_3[pt[1182-:8]:3], imb_ff[2:1]}) | ({31 {~sel_mb_addr}} & ifc_fetch_addr_bf[31:1]); + assign sel_mb_status_addr = ((((miss_pending & write_ic_16_bytes) & ~uncacheable_miss_ff) & last_beat) & bus_ifu_wr_en_ff_q) | reset_tag_valid_for_miss; + assign ifu_status_wr_addr[31:1] = ({31 {sel_mb_status_addr}} & {imb_ff[31:pt[1182-:8] + 1], ic_wr_addr_bits_hi_3[pt[1182-:8]:3], imb_ff[2:1]}) | ({31 {~sel_mb_status_addr}} & ifu_fetch_addr_int_f[31:1]); + assign ic_rw_addr[31:1] = ifu_ic_rw_int_addr[31:1]; + generate + if (pt[1125-:5] == 1) begin : icache_ecc_1 + wire [6:0] ic_wr_ecc; + wire [6:0] ic_miss_buff_ecc; + wire [141:0] ic_wr_16bytes_data; + wire [70:0] ifu_ic_debug_rd_data_in; + rvecc_encode_64 ic_ecc_encode_64_bus( + .din(ifu_bus_rdata_ff[63:0]), + .ecc_out(ic_wr_ecc[6:0]) + ); + rvecc_encode_64 ic_ecc_encode_64_buff( + .din(ic_miss_buff_half[63:0]), + .ecc_out(ic_miss_buff_ecc[6:0]) + ); + genvar i; + for (i = 0; i < pt[1189-:7]; i = i + 1) begin : ic_wr_data_loop + assign ic_wr_data[(i * 71) + 70-:71] = ic_wr_16bytes_data[(71 * i) + 70:71 * i]; + end + assign ic_debug_wr_data[70:0] = {dec_tlu_ic_diag_pkt[89:19]}; + assign ic_error_start = (|ic_eccerr[pt[1189-:7] - 1:0] & ic_act_hit_f) | ic_rd_parity_final_err; + assign ifu_ic_debug_rd_data_in[70:0] = (ic_debug_ict_array_sel_ff ? {2'b00, ictag_debug_rd_data[25:21], 32'b00000000000000000000000000000000, ictag_debug_rd_data[20:0], {7 - pt[1027-:7] {1'b0}}, way_status[pt[1027-:7] - 1:0], 3'b000, ic_debug_tag_val_rd_out} : ic_debug_rd_data[70:0]); + rvdffe #(.WIDTH(71)) ifu_debug_data_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(debug_data_clken), + .din({ifu_ic_debug_rd_data_in[70:0]}), + .dout({ifu_ic_debug_rd_data[70:0]}) + ); + assign ic_wr_16bytes_data[141:0] = (ifu_bus_rid_ff[0] ? {ic_wr_ecc[6:0], ifu_bus_rdata_ff[63:0], ic_miss_buff_ecc[6:0], ic_miss_buff_half[63:0]} : {ic_miss_buff_ecc[6:0], ic_miss_buff_half[63:0], ic_wr_ecc[6:0], ifu_bus_rdata_ff[63:0]}); + end + else begin : icache_parity_1 + wire [3:0] ic_wr_parity; + wire [3:0] ic_miss_buff_parity; + wire [135:0] ic_wr_16bytes_data; + wire [70:0] ifu_ic_debug_rd_data_in; + genvar i; + for (i = 0; i < 4; i = i + 1) begin : DATA_PGEN + rveven_paritygen #(.WIDTH(16)) par_bus( + .data_in(ifu_bus_rdata_ff[(16 * i) + 15:16 * i]), + .parity_out(ic_wr_parity[i]) + ); + rveven_paritygen #(.WIDTH(16)) par_buff( + .data_in(ic_miss_buff_half[(16 * i) + 15:16 * i]), + .parity_out(ic_miss_buff_parity[i]) + ); + end + for (i = 0; i < pt[1189-:7]; i = i + 1) begin : ic_wr_data_loop + assign ic_wr_data[(i * 71) + 70-:71] = {3'b000, ic_wr_16bytes_data[(68 * i) + 67:68 * i]}; + end + assign ic_debug_wr_data[70:0] = {dec_tlu_ic_diag_pkt[89:19]}; + assign ic_error_start = (|ic_parerr[pt[1189-:7] - 1:0] & ic_act_hit_f) | ic_rd_parity_final_err; + assign ifu_ic_debug_rd_data_in[70:0] = (ic_debug_ict_array_sel_ff ? {6'b000000, ictag_debug_rd_data[21], 32'b00000000000000000000000000000000, ictag_debug_rd_data[20:0], {7 - pt[1027-:7] {1'b0}}, way_status[pt[1027-:7] - 1:0], 3'b000, ic_debug_tag_val_rd_out} : ic_debug_rd_data[70:0]); + rvdffe #(.WIDTH(71)) ifu_debug_data_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(debug_data_clken), + .din({ifu_ic_debug_rd_data_in[70:0]}), + .dout({ifu_ic_debug_rd_data[70:0]}) + ); + assign ic_wr_16bytes_data[135:0] = (ifu_bus_rid_ff[0] ? {ic_wr_parity[3:0], ifu_bus_rdata_ff[63:0], ic_miss_buff_parity[3:0], ic_miss_buff_half[63:0]} : {ic_miss_buff_parity[3:0], ic_miss_buff_half[63:0], ic_wr_parity[3:0], ifu_bus_rdata_ff[63:0]}); + end + endgenerate + assign ifu_wr_data_comb_err = bus_ifu_wr_data_error_ff; + assign ifu_wr_cumulative_err = (ifu_wr_data_comb_err | ifu_wr_data_comb_err_ff) & ~reset_beat_cnt; + assign ifu_wr_cumulative_err_data = ifu_wr_data_comb_err | ifu_wr_data_comb_err_ff; + assign sel_byp_data = (ic_crit_wd_rdy | (miss_state == STREAM)) | (miss_state == CRIT_BYP_OK); + assign sel_ic_data = (~(((ic_crit_wd_rdy | (miss_state == STREAM)) | (miss_state == CRIT_BYP_OK)) | (miss_state == MISS_WAIT)) & ~fetch_req_iccm_f) & ~ifc_region_acc_fault_final_f; + generate + if (pt[922-:5] == 1) begin : iccm_icache + assign sel_iccm_data = fetch_req_iccm_f; + assign ic_final_data[63:0] = {64 {(sel_byp_data | sel_iccm_data) | sel_ic_data}} & {ic_rd_data[63:0]}; + assign ic_premux_data[63:0] = ({64 {sel_byp_data}} & {ic_byp_data_only_new[63:0]}) | ({64 {sel_iccm_data}} & {iccm_rd_data[63:0]}); + assign ic_sel_premux_data = sel_iccm_data | sel_byp_data; + end + endgenerate + generate + if (pt[900-:5] == 1) begin : iccm_only + assign sel_iccm_data = fetch_req_iccm_f; + assign ic_final_data[63:0] = ({64 {sel_byp_data}} & {ic_byp_data_only_new[63:0]}) | ({64 {sel_iccm_data}} & {iccm_rd_data[63:0]}); + assign ic_premux_data = {64 {1'sb0}}; + assign ic_sel_premux_data = 1'b0; + end + endgenerate + generate + if (pt[1053-:5] == 1) begin : icache_only + assign ic_final_data[63:0] = {64 {sel_byp_data | sel_ic_data}} & {ic_rd_data[63:0]}; + assign ic_premux_data[63:0] = {64 {sel_byp_data}} & {ic_byp_data_only_new[63:0]}; + assign ic_sel_premux_data = sel_byp_data; + end + endgenerate + generate + if (pt[140-:5] == 1) begin : no_iccm_no_icache + assign ic_final_data[63:0] = {64 {sel_byp_data}} & {ic_byp_data_only_new[63:0]}; + assign ic_premux_data = 0; + assign ic_sel_premux_data = 1'b0; + end + endgenerate + assign ifc_bus_acc_fault_f[1:0] = {2 {ic_byp_hit_f}} & ifu_byp_data_err_f[1:0]; + assign ic_data_f[31:0] = ic_final_data[31:0]; + assign fetch_req_f_qual = ic_hit_f & ~exu_flush_final; + assign ic_access_fault_f[1:0] = ({2 {ifc_region_acc_fault_final_f}} | ifc_bus_acc_fault_f[1:0]) & {2 {~exu_flush_final}}; + assign ic_access_fault_type_f[1:0] = (|iccm_rd_ecc_double_err ? 2'b01 : (ifc_region_acc_fault_f ? 2'b10 : (ifc_region_acc_fault_memory_f ? 2'b11 : 2'b00))); + localparam [1:0] ERR_FETCH2 = 2'b10; + assign ic_fetch_val_f[1] = ((fetch_req_f_qual & ifu_bp_inst_mask_f) & ~(vaddr_f[pt[1182-:8]:1] == {pt[1182-:8] {1'b1}})) & (err_stop_state != ERR_FETCH2); + assign ic_fetch_val_f[0] = fetch_req_f_qual; + assign two_byte_instr = ic_data_f[1:0] != 2'b11; + wire [63:0] ic_miss_buff_data_in; + assign ic_miss_buff_data_in[63:0] = ifu_bus_rsp_rdata[63:0]; + generate + genvar i; + for (i = 0; i < pt[1084-:8]; i = i + 1) begin : wr_flop + function automatic signed [pt[826-:8] - 1:0] sv2v_cast_ADFF4_signed; + input reg signed [pt[826-:8] - 1:0] inp; + sv2v_cast_ADFF4_signed = inp; + endfunction + assign write_fill_data[i] = bus_ifu_wr_en & (sv2v_cast_ADFF4_signed(i) == ifu_bus_rsp_tag[pt[826-:8] - 1:0]); + rvdffe #(.WIDTH(32)) byp_data_0_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(write_fill_data[i]), + .din(ic_miss_buff_data_in[31:0]), + .dout(ic_miss_buff_data[((i * 2) * 32) + 31-:32]) + ); + rvdffe #(.WIDTH(32)) byp_data_1_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(write_fill_data[i]), + .din(ic_miss_buff_data_in[63:32]), + .dout(ic_miss_buff_data[(((i * 2) + 1) * 32) + 31-:32]) + ); + assign ic_miss_buff_data_valid_in[i] = (write_fill_data[i] ? 1'b1 : ic_miss_buff_data_valid[i] & ~ic_act_miss_f); + rvdff #(.WIDTH(1)) byp_data_valid_ff( + .rst_l(rst_l), + .clk(active_clk), + .din(ic_miss_buff_data_valid_in[i]), + .dout(ic_miss_buff_data_valid[i]) + ); + assign ic_miss_buff_data_error_in[i] = (write_fill_data[i] ? bus_ifu_wr_data_error : ic_miss_buff_data_error[i] & ~ic_act_miss_f); + rvdff #(.WIDTH(1)) byp_data_error_ff( + .rst_l(rst_l), + .clk(active_clk), + .din(ic_miss_buff_data_error_in[i]), + .dout(ic_miss_buff_data_error[i]) + ); + end + endgenerate + wire [pt[1182-:8]:1] bypass_index; + wire [pt[1182-:8]:3] bypass_index_5_3_inc; + wire bypass_data_ready_in; + wire ic_crit_wd_rdy_new_in; + assign bypass_index[pt[1182-:8]:1] = imb_ff[pt[1182-:8]:1]; + assign bypass_index_5_3_inc[pt[1182-:8]:3] = bypass_index[pt[1182-:8]:3] + 1; + assign bypass_data_ready_in = (((((ic_miss_buff_data_valid_in[bypass_index[pt[1182-:8]:3]] & ~bypass_index[2]) & ~bypass_index[1]) | ((ic_miss_buff_data_valid_in[bypass_index[pt[1182-:8]:3]] & ~bypass_index[2]) & bypass_index[1])) | ((ic_miss_buff_data_valid_in[bypass_index[pt[1182-:8]:3]] & bypass_index[2]) & ~bypass_index[1])) | (((ic_miss_buff_data_valid_in[bypass_index[pt[1182-:8]:3]] & ic_miss_buff_data_valid_in[bypass_index_5_3_inc[pt[1182-:8]:3]]) & bypass_index[2]) & bypass_index[1])) | (ic_miss_buff_data_valid_in[bypass_index[pt[1182-:8]:3]] & (bypass_index[pt[1182-:8]:3] == {pt[1182-:8] {1'b1}})); + assign ic_crit_wd_rdy_new_in = (((((bypass_data_ready_in & crit_wd_byp_ok_ff) & uncacheable_miss_ff) & ~exu_flush_final) & ~ifu_bp_hit_taken_q_f) | (((crit_wd_byp_ok_ff & ~uncacheable_miss_ff) & ~exu_flush_final) & ~ifu_bp_hit_taken_q_f)) | (((ic_crit_wd_rdy_new_ff & ~fetch_req_icache_f) & crit_wd_byp_ok_ff) & ~exu_flush_final); + assign byp_fetch_index[pt[1182-:8]:1] = ifu_fetch_addr_int_f[pt[1182-:8]:1]; + assign byp_fetch_index_0[pt[1182-:8]:2] = {ifu_fetch_addr_int_f[pt[1182-:8]:3], 1'b0}; + assign byp_fetch_index_1[pt[1182-:8]:2] = {ifu_fetch_addr_int_f[pt[1182-:8]:3], 1'b1}; + assign byp_fetch_index_inc[pt[1182-:8]:3] = ifu_fetch_addr_int_f[pt[1182-:8]:3] + 1'b1; + assign byp_fetch_index_inc_0[pt[1182-:8]:2] = {byp_fetch_index_inc[pt[1182-:8]:3], 1'b0}; + assign byp_fetch_index_inc_1[pt[1182-:8]:2] = {byp_fetch_index_inc[pt[1182-:8]:3], 1'b1}; + assign ifu_byp_data_err_new = ((((~ifu_fetch_addr_int_f[2] & ~ifu_fetch_addr_int_f[1]) & ic_miss_buff_data_error[byp_fetch_index[pt[1182-:8]:3]]) | ((~ifu_fetch_addr_int_f[2] & ifu_fetch_addr_int_f[1]) & ic_miss_buff_data_error[byp_fetch_index[pt[1182-:8]:3]])) | ((ifu_fetch_addr_int_f[2] & ~ifu_fetch_addr_int_f[1]) & ic_miss_buff_data_error[byp_fetch_index[pt[1182-:8]:3]])) | ((ifu_fetch_addr_int_f[2] & ifu_fetch_addr_int_f[1]) & (ic_miss_buff_data_error[byp_fetch_index_inc[pt[1182-:8]:3]] | ic_miss_buff_data_error[byp_fetch_index[pt[1182-:8]:3]])); + assign ifu_byp_data_err_f[1:0] = (ic_miss_buff_data_error[byp_fetch_index[pt[1182-:8]:3]] ? 2'b11 : (((ifu_fetch_addr_int_f[2] & ifu_fetch_addr_int_f[1]) & ~ic_miss_buff_data_error[byp_fetch_index[pt[1182-:8]:3]]) & (~miss_wrap_f & ic_miss_buff_data_error[byp_fetch_index_inc[pt[1182-:8]:3]]) ? 2'b10 : 2'b00)); + assign ic_byp_data_only_pre_new[79:0] = ({80 {~ifu_fetch_addr_int_f[2]}} & {ic_miss_buff_data[(byp_fetch_index_inc_0 * 32) + 15-:16], ic_miss_buff_data[(byp_fetch_index_1 * 32) + 31-:32], ic_miss_buff_data[(byp_fetch_index_0 * 32) + 31-:32]}) | ({80 {ifu_fetch_addr_int_f[2]}} & {ic_miss_buff_data[(byp_fetch_index_inc_1 * 32) + 15-:16], ic_miss_buff_data[(byp_fetch_index_inc_0 * 32) + 31-:32], ic_miss_buff_data[(byp_fetch_index_1 * 32) + 31-:32]}); + assign ic_byp_data_only_new[79:0] = (~ifu_fetch_addr_int_f[1] ? {ic_byp_data_only_pre_new[79:0]} : {16'b0000000000000000, ic_byp_data_only_pre_new[79:16]}); + assign miss_wrap_f = imb_ff[pt[998-:7]] != ifu_fetch_addr_int_f[pt[998-:7]]; + assign miss_buff_hit_unq_f = (((((ic_miss_buff_data_valid[byp_fetch_index[pt[1182-:8]:3]] & ~byp_fetch_index[2]) & ~byp_fetch_index[1]) | ((ic_miss_buff_data_valid[byp_fetch_index[pt[1182-:8]:3]] & ~byp_fetch_index[2]) & byp_fetch_index[1])) | ((ic_miss_buff_data_valid[byp_fetch_index[pt[1182-:8]:3]] & byp_fetch_index[2]) & ~byp_fetch_index[1])) | (((ic_miss_buff_data_valid[byp_fetch_index[pt[1182-:8]:3]] & ic_miss_buff_data_valid[byp_fetch_index_inc[pt[1182-:8]:3]]) & byp_fetch_index[2]) & byp_fetch_index[1])) | (ic_miss_buff_data_valid[byp_fetch_index[pt[1182-:8]:3]] & (byp_fetch_index[pt[1182-:8]:3] == {pt[1174-:8] {1'b1}})); + assign stream_hit_f = (miss_buff_hit_unq_f & ~miss_wrap_f) & (miss_state == STREAM); + assign stream_miss_f = (~(miss_buff_hit_unq_f & ~miss_wrap_f) & (miss_state == STREAM)) & ifc_fetch_req_f; + assign stream_eol_f = ((byp_fetch_index[pt[1182-:8]:2] == {pt[1174-:8] + 1 {1'b1}}) & ifc_fetch_req_f) & stream_hit_f; + assign crit_byp_hit_f = miss_buff_hit_unq_f & ((miss_state == CRIT_WRD_RDY) | (miss_state == CRIT_BYP_OK)); + assign other_tag[pt[826-:8] - 1:0] = {ifu_bus_rid_ff[pt[826-:8] - 1:1], ~ifu_bus_rid_ff[0]}; + assign second_half_available = ic_miss_buff_data_valid[other_tag]; + assign write_ic_16_bytes = second_half_available & bus_ifu_wr_en_ff; + assign ic_miss_buff_half[63:0] = {ic_miss_buff_data[{other_tag, 1'b1} * 32+:32], ic_miss_buff_data[{other_tag, 1'b0} * 32+:32]}; + assign ic_rd_parity_final_err = (((ic_tag_perr & ~exu_flush_final) & sel_ic_data) & ~(ifc_region_acc_fault_final_f | |ifc_bus_acc_fault_f)) & (((fetch_req_icache_f & ~reset_all_tags) & (~miss_pending | (miss_state == HIT_U_MISS))) & ~sel_mb_addr_ff); + wire [pt[1060-:7] - 1:0] perr_err_inv_way; + wire [pt[1104-:9]:pt[998-:7]] perr_ic_index_ff; + reg perr_sel_invalidate; + reg perr_sb_write_status; + rvdffe #( + .WIDTH((pt[1104-:9] - pt[998-:7]) + 1), + .OVERRIDE(1) + ) perr_dat_ff( + .din(ifu_ic_rw_int_addr_ff[pt[1104-:9]:pt[998-:7]]), + .dout(perr_ic_index_ff[pt[1104-:9]:pt[998-:7]]), + .en(perr_sb_write_status), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + assign perr_err_inv_way[pt[1060-:7] - 1:0] = {pt[1060-:7] {perr_sel_invalidate}}; + localparam [2:0] ECC_CORR = 3'b011; + assign iccm_correct_ecc = perr_state == ECC_CORR; + assign dma_sb_err_state = perr_state == DMA_SB_ERR; + assign iccm_buf_correct_ecc = iccm_correct_ecc & ~dma_sb_err_state_ff; + localparam [2:0] ECC_WFF = 3'b010; + localparam [2:0] ERR_IDLE = 3'b000; + localparam [2:0] IC_WFF = 3'b001; + always @(*) begin : ERROR_SM + perr_nxtstate = ERR_IDLE; + perr_state_en = 1'b0; + perr_sb_write_status = 1'b0; + perr_sel_invalidate = 1'b0; + case (perr_state) + ERR_IDLE: begin : err_idle + perr_nxtstate = (iccm_dma_sb_error ? DMA_SB_ERR : (ic_error_start & ~exu_flush_final ? IC_WFF : ECC_WFF)); + perr_state_en = (((iccm_error_start | ic_error_start) & ~exu_flush_final) | iccm_dma_sb_error) & ~dec_tlu_force_halt; + perr_sb_write_status = perr_state_en; + end + IC_WFF: begin : icache_wff + perr_nxtstate = ERR_IDLE; + perr_state_en = dec_tlu_flush_lower_wb | dec_tlu_force_halt; + perr_sel_invalidate = dec_tlu_flush_err_wb & dec_tlu_flush_lower_wb; + end + ECC_WFF: begin : ecc_wff + perr_nxtstate = ((~dec_tlu_flush_err_wb & dec_tlu_flush_lower_wb) | dec_tlu_force_halt ? ERR_IDLE : ECC_CORR); + perr_state_en = dec_tlu_flush_lower_wb | dec_tlu_force_halt; + end + DMA_SB_ERR: begin : dma_sb_ecc + perr_nxtstate = (dec_tlu_force_halt ? ERR_IDLE : ECC_CORR); + perr_state_en = 1'b1; + end + ECC_CORR: begin : ecc_corr + perr_nxtstate = ERR_IDLE; + perr_state_en = 1'b1; + end + default: begin : def_case + perr_nxtstate = ERR_IDLE; + perr_state_en = 1'b0; + perr_sb_write_status = 1'b0; + perr_sel_invalidate = 1'b0; + end + endcase + end + rvdffs #(.WIDTH(3)) perr_state_ff( + .clk(active_clk), + .din(perr_nxtstate), + .dout({perr_state}), + .en(perr_state_en), + .rst_l(rst_l) + ); + localparam [1:0] ERR_FETCH1 = 2'b01; + localparam [1:0] ERR_STOP_IDLE = 2'b00; + always @(*) begin : ERROR_STOP_FETCH + err_stop_nxtstate = ERR_STOP_IDLE; + err_stop_state_en = 1'b0; + err_stop_fetch = 1'b0; + iccm_correction_state = 1'b0; + case (err_stop_state) + ERR_STOP_IDLE: begin : err_stop_idle + err_stop_nxtstate = ERR_FETCH1; + err_stop_state_en = (dec_tlu_flush_err_wb & (perr_state == ECC_WFF)) & ~dec_tlu_force_halt; + end + ERR_FETCH1: begin : err_fetch1 + err_stop_nxtstate = ((dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt) | dec_tlu_force_halt ? ERR_STOP_IDLE : ((ifu_fetch_val[1:0] == 2'b11) | (ifu_fetch_val[0] & two_byte_instr) ? ERR_STOP_FETCH : (ifu_fetch_val[0] ? ERR_FETCH2 : ERR_FETCH1))); + err_stop_state_en = (((dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt) | ifu_fetch_val[0]) | ifu_bp_hit_taken_q_f) | dec_tlu_force_halt; + err_stop_fetch = ((ifu_fetch_val[1:0] == 2'b11) | (ifu_fetch_val[0] & two_byte_instr)) & ~(exu_flush_final | dec_tlu_i0_commit_cmt); + iccm_correction_state = 1'b1; + end + ERR_FETCH2: begin : err_fetch2 + err_stop_nxtstate = ((dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt) | dec_tlu_force_halt ? ERR_STOP_IDLE : (ifu_fetch_val[0] ? ERR_STOP_FETCH : ERR_FETCH2)); + err_stop_state_en = ((dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt) | ifu_fetch_val[0]) | dec_tlu_force_halt; + err_stop_fetch = (ifu_fetch_val[0] & ~exu_flush_final) & ~dec_tlu_i0_commit_cmt; + iccm_correction_state = 1'b1; + end + ERR_STOP_FETCH: begin : ecc_wff + err_stop_nxtstate = (((dec_tlu_flush_lower_wb & ~dec_tlu_flush_err_wb) | dec_tlu_i0_commit_cmt) | dec_tlu_force_halt ? ERR_STOP_IDLE : (dec_tlu_flush_err_wb ? ERR_FETCH1 : ERR_STOP_FETCH)); + err_stop_state_en = (dec_tlu_flush_lower_wb | dec_tlu_i0_commit_cmt) | dec_tlu_force_halt; + err_stop_fetch = 1'b1; + iccm_correction_state = 1'b1; + end + default: begin : def_case + err_stop_nxtstate = ERR_STOP_IDLE; + err_stop_state_en = 1'b0; + err_stop_fetch = 1'b0; + iccm_correction_state = 1'b1; + end + endcase + end + rvdffs #(.WIDTH(2)) err_stop_state_ff( + .clk(active_clk), + .din(err_stop_nxtstate), + .dout({err_stop_state}), + .en(err_stop_state_en), + .rst_l(rst_l) + ); + assign bus_ifu_bus_clk_en = ifu_bus_clk_en; + rvclkhdr bus_clk_f( + .en(bus_ifu_bus_clk_en), + .l1clk(busclk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvclkhdr bus_clk( + .en(bus_ifu_bus_clk_en | dec_tlu_force_halt), + .l1clk(busclk_force), + .clk(clk), + .scan_mode(scan_mode) + ); + assign scnd_miss_req = scnd_miss_req_q & ~exu_flush_final; + assign ifc_bus_ic_req_ff_in = (((ic_act_miss_f | bus_cmd_req_hold) | ifu_bus_cmd_valid) & ~dec_tlu_force_halt) & ~((((bus_cmd_beat_count == {pt[1174-:8] {1'b1}}) & ifu_bus_cmd_valid) & ifu_bus_cmd_ready) & miss_pending); + rvdff_fpga #(.WIDTH(1)) bus_ic_req_ff2( + .rst_l(rst_l), + .clk(busclk_force), + .clken(bus_ifu_bus_clk_en | dec_tlu_force_halt), + .rawclk(clk), + .din(ifc_bus_ic_req_ff_in), + .dout(ifu_bus_cmd_valid) + ); + assign bus_cmd_req_in = ((ic_act_miss_f | bus_cmd_req_hold) & ~bus_cmd_sent) & ~dec_tlu_force_halt; + assign ifu_axi_arvalid = ifu_bus_cmd_valid; + function automatic [pt[826-:8] - 1:0] sv2v_cast_ADFF4; + input reg [pt[826-:8] - 1:0] inp; + sv2v_cast_ADFF4 = inp; + endfunction + assign ifu_axi_arid[pt[826-:8] - 1:0] = sv2v_cast_ADFF4(bus_rd_addr_count[pt[1174-:8] - 1:0]) & {pt[826-:8] {ifu_bus_cmd_valid}}; + assign ifu_axi_araddr[31:0] = {ifu_ic_req_addr_f[31:3], 3'b000} & {32 {ifu_bus_cmd_valid}}; + assign ifu_axi_arsize[2:0] = 3'b011; + assign ifu_axi_arprot[2:0] = 3'b101; + assign ifu_axi_arcache[3:0] = 4'b1111; + assign ifu_axi_arregion[3:0] = ifu_ic_req_addr_f[31:28]; + assign ifu_axi_arlen[7:0] = {8 {1'sb0}}; + assign ifu_axi_arburst[1:0] = 2'b01; + assign ifu_axi_arqos[3:0] = {4 {1'sb0}}; + assign ifu_axi_arlock = 1'b0; + assign ifu_axi_rready = 1'b1; + assign ifu_axi_awvalid = 1'b0; + assign ifu_axi_awid[pt[826-:8] - 1:0] = {pt[826-:8] {1'sb0}}; + assign ifu_axi_awaddr[31:0] = {32 {1'sb0}}; + assign ifu_axi_awsize[2:0] = {3 {1'sb0}}; + assign ifu_axi_awprot[2:0] = {3 {1'sb0}}; + assign ifu_axi_awcache[3:0] = {4 {1'sb0}}; + assign ifu_axi_awregion[3:0] = {4 {1'sb0}}; + assign ifu_axi_awlen[7:0] = {8 {1'sb0}}; + assign ifu_axi_awburst[1:0] = {2 {1'sb0}}; + assign ifu_axi_awqos[3:0] = {4 {1'sb0}}; + assign ifu_axi_awlock = 1'b0; + assign ifu_axi_wvalid = 1'b0; + assign ifu_axi_wstrb[7:0] = {8 {1'sb0}}; + assign ifu_axi_wdata[63:0] = {64 {1'sb0}}; + assign ifu_axi_wlast = 1'b0; + assign ifu_axi_bready = 1'b0; + assign ifu_bus_arready_unq = ifu_axi_arready; + assign ifu_bus_rvalid_unq = ifu_axi_rvalid; + assign ifu_bus_arvalid = ifu_axi_arvalid; + rvdff_fpga #(.WIDTH(1)) bus_rdy_ff( + .rst_l(rst_l), + .clk(busclk), + .clken(bus_ifu_bus_clk_en), + .rawclk(clk), + .din(ifu_bus_arready_unq), + .dout(ifu_bus_arready_unq_ff) + ); + rvdff_fpga #(.WIDTH(1)) bus_rsp_vld_ff( + .rst_l(rst_l), + .clk(busclk), + .clken(bus_ifu_bus_clk_en), + .rawclk(clk), + .din(ifu_bus_rvalid_unq), + .dout(ifu_bus_rvalid_unq_ff) + ); + rvdff_fpga #(.WIDTH(1)) bus_cmd_ff( + .rst_l(rst_l), + .clk(busclk), + .clken(bus_ifu_bus_clk_en), + .rawclk(clk), + .din(ifu_bus_arvalid), + .dout(ifu_bus_arvalid_ff) + ); + rvdff_fpga #(.WIDTH(2)) bus_rsp_cmd_ff( + .rst_l(rst_l), + .clk(busclk), + .clken(bus_ifu_bus_clk_en), + .rawclk(clk), + .din(ifu_axi_rresp[1:0]), + .dout(ifu_bus_rresp_ff[1:0]) + ); + rvdff_fpga #(.WIDTH(pt[826-:8])) bus_rsp_tag_ff( + .rst_l(rst_l), + .clk(busclk), + .clken(bus_ifu_bus_clk_en), + .rawclk(clk), + .din(ifu_axi_rid[pt[826-:8] - 1:0]), + .dout(ifu_bus_rid_ff[pt[826-:8] - 1:0]) + ); + rvdffe #(.WIDTH(64)) bus_data_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .din(ifu_axi_rdata[63:0]), + .dout(ifu_bus_rdata_ff[63:0]), + .en(ifu_bus_clk_en & ifu_axi_rvalid) + ); + assign ifu_bus_cmd_ready = ifu_axi_arready; + assign ifu_bus_rsp_valid = ifu_axi_rvalid; + assign ifu_bus_rsp_ready = ifu_axi_rready; + assign ifu_bus_rsp_tag[pt[826-:8] - 1:0] = ifu_axi_rid[pt[826-:8] - 1:0]; + assign ifu_bus_rsp_rdata[63:0] = ifu_axi_rdata[63:0]; + assign ifu_bus_rsp_opc[1:0] = {ifu_axi_rresp[1:0]}; + assign ifu_bus_rvalid = ifu_bus_rsp_valid & bus_ifu_bus_clk_en; + assign ifu_bus_arready = ifu_bus_arready_unq & bus_ifu_bus_clk_en; + assign ifu_bus_arready_ff = ifu_bus_arready_unq_ff & bus_ifu_bus_clk_en_ff; + assign ifu_bus_rvalid_ff = ifu_bus_rvalid_unq_ff & bus_ifu_bus_clk_en_ff; + assign bus_cmd_sent = ((ifu_bus_arvalid & ifu_bus_arready) & miss_pending) & ~dec_tlu_force_halt; + assign bus_inc_data_beat_cnt = (bus_ifu_wr_en_ff & ~bus_last_data_beat) & ~dec_tlu_force_halt; + assign bus_reset_data_beat_cnt = (ic_act_miss_f | (bus_ifu_wr_en_ff & bus_last_data_beat)) | dec_tlu_force_halt; + assign bus_hold_data_beat_cnt = ~bus_inc_data_beat_cnt & ~bus_reset_data_beat_cnt; + function automatic signed [pt[1174-:8] - 1:0] sv2v_cast_4BA5C_signed; + input reg signed [pt[1174-:8] - 1:0] inp; + sv2v_cast_4BA5C_signed = inp; + endfunction + assign bus_new_data_beat_count[pt[1174-:8] - 1:0] = (({pt[1174-:8] {bus_reset_data_beat_cnt}} & sv2v_cast_4BA5C_signed(0)) | ({pt[1174-:8] {bus_inc_data_beat_cnt}} & (bus_data_beat_count[pt[1174-:8] - 1:0] + {{pt[1174-:8] - 1 {1'b0}}, 1'b1}))) | ({pt[1174-:8] {bus_hold_data_beat_cnt}} & bus_data_beat_count[pt[1174-:8] - 1:0]); + assign last_data_recieved_in = ((bus_ifu_wr_en_ff & bus_last_data_beat) & ~scnd_miss_req) | (last_data_recieved_ff & ~ic_act_miss_f); + assign bus_new_rd_addr_count[pt[1174-:8] - 1:0] = (~miss_pending ? imb_ff[pt[1182-:8]:3] : (scnd_miss_req_q ? imb_scnd_ff[pt[1182-:8]:3] : (bus_cmd_sent ? bus_rd_addr_count[pt[1174-:8] - 1:0] + 3'b001 : bus_rd_addr_count[pt[1174-:8] - 1:0]))); + rvdff_fpga #(.WIDTH(pt[1174-:8])) bus_rd_addr_ff( + .rst_l(rst_l), + .clk(busclk_reset), + .clken((bus_ifu_bus_clk_en | ic_act_miss_f) | dec_tlu_force_halt), + .rawclk(clk), + .din({bus_new_rd_addr_count[pt[1174-:8] - 1:0]}), + .dout({bus_rd_addr_count[pt[1174-:8] - 1:0]}) + ); + assign bus_inc_cmd_beat_cnt = ((ifu_bus_cmd_valid & ifu_bus_cmd_ready) & miss_pending) & ~dec_tlu_force_halt; + assign bus_reset_cmd_beat_cnt_0 = (ic_act_miss_f & ~uncacheable_miss_in) | dec_tlu_force_halt; + assign bus_reset_cmd_beat_cnt_secondlast = ic_act_miss_f & uncacheable_miss_in; + assign bus_hold_cmd_beat_cnt = ~bus_inc_cmd_beat_cnt & ~((ic_act_miss_f | scnd_miss_req) | dec_tlu_force_halt); + assign bus_cmd_beat_en = (bus_inc_cmd_beat_cnt | ic_act_miss_f) | dec_tlu_force_halt; + function automatic [pt[1174-:8] - 1:0] sv2v_cast_4BA5C; + input reg [pt[1174-:8] - 1:0] inp; + sv2v_cast_4BA5C = inp; + endfunction + assign bus_new_cmd_beat_count[pt[1174-:8] - 1:0] = ((({pt[1174-:8] {bus_reset_cmd_beat_cnt_0}} & sv2v_cast_4BA5C_signed(0)) | ({pt[1174-:8] {bus_reset_cmd_beat_cnt_secondlast}} & sv2v_cast_4BA5C(pt[1048-:8]))) | ({pt[1174-:8] {bus_inc_cmd_beat_cnt}} & (bus_cmd_beat_count[pt[1174-:8] - 1:0] + {{pt[1174-:8] - 1 {1'b0}}, 1'b1}))) | ({pt[1174-:8] {bus_hold_cmd_beat_cnt}} & bus_cmd_beat_count[pt[1174-:8] - 1:0]); + rvclkhdr bus_clk_reset( + .en((bus_ifu_bus_clk_en | ic_act_miss_f) | dec_tlu_force_halt), + .l1clk(busclk_reset), + .clk(clk), + .scan_mode(scan_mode) + ); + rvdffs_fpga #(.WIDTH(pt[1174-:8])) bus_cmd_beat_ff( + .rst_l(rst_l), + .clk(busclk_reset), + .clken((bus_ifu_bus_clk_en | ic_act_miss_f) | dec_tlu_force_halt), + .rawclk(clk), + .en(bus_cmd_beat_en), + .din({bus_new_cmd_beat_count[pt[1174-:8] - 1:0]}), + .dout({bus_cmd_beat_count[pt[1174-:8] - 1:0]}) + ); + assign bus_last_data_beat = (uncacheable_miss_ff ? bus_data_beat_count[pt[1174-:8] - 1:0] == {{pt[1174-:8] - 1 {1'b0}}, 1'b1} : &bus_data_beat_count[pt[1174-:8] - 1:0]); + assign bus_ifu_wr_en = ifu_bus_rvalid & miss_pending; + assign bus_ifu_wr_en_ff = ifu_bus_rvalid_ff & miss_pending; + assign bus_ifu_wr_en_ff_q = (((ifu_bus_rvalid_ff & miss_pending) & ~uncacheable_miss_ff) & ~(|ifu_bus_rresp_ff[1:0])) & write_ic_16_bytes; + assign bus_ifu_wr_en_ff_wo_err = (ifu_bus_rvalid_ff & miss_pending) & ~uncacheable_miss_ff; + rvdffie #(.WIDTH(10)) misc_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({ic_act_miss_f, ifu_wr_cumulative_err, exu_flush_final, ic_crit_wd_rdy_new_in, bus_ifu_bus_clk_en, scnd_miss_req_in, bus_cmd_req_in, last_data_recieved_in, ifc_dma_access_ok_d, dma_iccm_req}), + .dout({ic_act_miss_f_delayed, ifu_wr_data_comb_err_ff, flush_final_f, ic_crit_wd_rdy_new_ff, bus_ifu_bus_clk_en_ff, scnd_miss_req_q, bus_cmd_req_hold, last_data_recieved_ff, ifc_dma_access_ok_prev, dma_iccm_req_f}) + ); + rvdffie #( + .WIDTH(pt[1174-:8] + 5), + .OVERRIDE(1) + ) misc1_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({reset_ic_in, sel_mb_addr, bus_new_data_beat_count[pt[1174-:8] - 1:0], ifc_region_acc_fault_memory_bf, ic_debug_rd_en, ic_debug_rd_en_ff}), + .dout({reset_ic_ff, sel_mb_addr_ff, bus_data_beat_count[pt[1174-:8] - 1:0], ifc_region_acc_fault_memory_f, ic_debug_rd_en_ff, ifu_ic_debug_rd_data_valid}) + ); + assign reset_tag_valid_for_miss = (ic_act_miss_f_delayed & (miss_state == CRIT_BYP_OK)) & ~uncacheable_miss_ff; + assign bus_ifu_wr_data_error = (|ifu_bus_rsp_opc[1:0] & ifu_bus_rvalid) & miss_pending; + assign bus_ifu_wr_data_error_ff = (|ifu_bus_rresp_ff[1:0] & ifu_bus_rvalid_ff) & miss_pending; + assign ic_crit_wd_rdy = ic_crit_wd_rdy_new_in | ic_crit_wd_rdy_new_ff; + assign last_beat = bus_last_data_beat & bus_ifu_wr_en_ff; + assign reset_beat_cnt = bus_reset_data_beat_cnt; + assign ifc_dma_access_ok_d = (ifc_dma_access_ok & ~iccm_correct_ecc) & ~iccm_dma_sb_error; + assign ifc_dma_access_q_ok = (((ifc_dma_access_ok & ~iccm_correct_ecc) & ifc_dma_access_ok_prev) & (perr_state == ERR_IDLE)) & ~iccm_dma_sb_error; + assign iccm_ready = ifc_dma_access_q_ok; + wire [1:0] iccm_ecc_word_enable; + generate + if (pt[927-:5] == 1) begin : iccm_enabled + wire [3:2] dma_mem_addr_ff; + wire iccm_dma_rden; + wire iccm_dma_ecc_error_in; + wire [13:0] dma_mem_ecc; + wire [63:0] iccm_dma_rdata_in; + wire [31:0] iccm_dma_rdata_1_muxed; + wire [63:0] iccm_corrected_data; + wire [13:0] iccm_corrected_ecc; + wire [1:0] iccm_double_ecc_error; + wire [pt[936-:9] - 1:2] iccm_rw_addr_f; + wire [31:0] iccm_corrected_data_f_mux; + wire [6:0] iccm_corrected_ecc_f_mux; + wire iccm_dma_rvalid_in; + wire [77:0] iccm_rdmux_data; + wire iccm_rd_ecc_single_err_hold_in; + wire [2:0] dma_mem_tag_ff; + assign iccm_wren = ((ifc_dma_access_q_ok & dma_iccm_req) & dma_mem_write) | iccm_correct_ecc; + assign iccm_rden = ((ifc_dma_access_q_ok & dma_iccm_req) & ~dma_mem_write) | (ifc_iccm_access_bf & ifc_fetch_req_bf); + assign iccm_dma_rden = (ifc_dma_access_q_ok & dma_iccm_req) & ~dma_mem_write; + assign iccm_wr_size[2:0] = {3 {dma_iccm_req}} & dma_mem_sz[2:0]; + rvecc_encode iccm_ecc_encode0( + .din(dma_mem_wdata[31:0]), + .ecc_out(dma_mem_ecc[6:0]) + ); + rvecc_encode iccm_ecc_encode1( + .din(dma_mem_wdata[63:32]), + .ecc_out(dma_mem_ecc[13:7]) + ); + assign iccm_wr_data[77:0] = (iccm_correct_ecc & ~(ifc_dma_access_q_ok & dma_iccm_req) ? {iccm_ecc_corr_data_ff[38:0], iccm_ecc_corr_data_ff[38:0]} : {dma_mem_ecc[13:7], dma_mem_wdata[63:32], dma_mem_ecc[6:0], dma_mem_wdata[31:0]}); + assign iccm_dma_rdata_1_muxed[31:0] = (dma_mem_addr_ff[2] ? iccm_corrected_data[31-:32] : iccm_corrected_data[63-:32]); + assign iccm_dma_rdata_in[63:0] = (iccm_dma_ecc_error_in ? {2 {dma_mem_addr[31:0]}} : {iccm_dma_rdata_1_muxed[31:0], iccm_corrected_data[0+:32]}); + assign iccm_dma_ecc_error_in = |iccm_double_ecc_error[1:0]; + rvdffe #(.WIDTH(64)) dma_data_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(clk), + .en(iccm_dma_rvalid_in), + .din(iccm_dma_rdata_in[63:0]), + .dout(iccm_dma_rdata[63:0]) + ); + rvdffie #(.WIDTH(11)) dma_misc_bits( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({dma_mem_tag[2:0], dma_mem_tag_ff[2:0], dma_mem_addr[3:2], iccm_dma_rden, iccm_dma_rvalid_in, iccm_dma_ecc_error_in}), + .dout({dma_mem_tag_ff[2:0], iccm_dma_rtag[2:0], dma_mem_addr_ff[3:2], iccm_dma_rvalid_in, iccm_dma_rvalid, iccm_dma_ecc_error}) + ); + assign iccm_rw_addr[pt[936-:9] - 1:1] = ((ifc_dma_access_q_ok & dma_iccm_req) & ~iccm_correct_ecc ? dma_mem_addr[pt[936-:9] - 1:1] : (~(ifc_dma_access_q_ok & dma_iccm_req) & iccm_correct_ecc ? {iccm_ecc_corr_index_ff[pt[936-:9] - 1:2], 1'b0} : ifc_fetch_addr_bf[pt[936-:9] - 1:1])); + wire [3:0] ic_fetch_val_int_f; + wire [3:0] ic_fetch_val_shift_right; + assign ic_fetch_val_int_f[3:0] = {2'b00, ic_fetch_val_f[1:0]}; + assign ic_fetch_val_shift_right[3:0] = {ic_fetch_val_int_f << ifu_fetch_addr_int_f[1]}; + assign iccm_rdmux_data[77:0] = iccm_rd_data_ecc[77:0]; + for (i = 0; i < 2; i = i + 1) begin : ICCM_ECC_CHECK + assign iccm_ecc_word_enable[i] = (((|ic_fetch_val_shift_right[(2 * i) + 1:2 * i] & ~exu_flush_final) & sel_iccm_data) | iccm_dma_rvalid_in) & ~dec_tlu_core_ecc_disable; + rvecc_decode ecc_decode( + .en(iccm_ecc_word_enable[i]), + .sed_ded(1'b0), + .din(iccm_rdmux_data[(39 * i) + 31:39 * i]), + .ecc_in(iccm_rdmux_data[(39 * i) + 38:(39 * i) + 32]), + .dout(iccm_corrected_data[(i * 32) + 31-:32]), + .ecc_out(iccm_corrected_ecc[(i * 7) + 6-:7]), + .single_ecc_error(iccm_single_ecc_error[i]), + .double_ecc_error(iccm_double_ecc_error[i]) + ); + end + assign iccm_rd_ecc_single_err = (|iccm_single_ecc_error[1:0] & ifc_iccm_access_f) & ifc_fetch_req_f; + assign iccm_rd_ecc_double_err[1:0] = (~ifu_fetch_addr_int_f[1] ? {iccm_double_ecc_error[0], iccm_double_ecc_error[0]} & {2 {ifc_iccm_access_f}} : {iccm_double_ecc_error[1], iccm_double_ecc_error[0]} & {2 {ifc_iccm_access_f}}); + assign iccm_corrected_data_f_mux[31:0] = (iccm_single_ecc_error[0] ? iccm_corrected_data[0+:32] : iccm_corrected_data[32+:32]); + assign iccm_corrected_ecc_f_mux[6:0] = (iccm_single_ecc_error[0] ? iccm_corrected_ecc[0+:7] : iccm_corrected_ecc[7+:7]); + assign iccm_ecc_write_status = ((iccm_rd_ecc_single_err & ~iccm_rd_ecc_single_err_ff) & ~exu_flush_final) | iccm_dma_sb_error; + assign iccm_rd_ecc_single_err_hold_in = (iccm_rd_ecc_single_err | iccm_rd_ecc_single_err_ff) & ~exu_flush_final; + assign iccm_error_start = iccm_rd_ecc_single_err; + assign iccm_ecc_corr_index_in[pt[936-:9] - 1:2] = (iccm_single_ecc_error[0] ? iccm_rw_addr_f[pt[936-:9] - 1:2] : iccm_rw_addr_f[pt[936-:9] - 1:2] + 1'b1); + rvdffie #(.WIDTH(pt[936-:9] - 1)) iccm_index_f( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({iccm_rw_addr[pt[936-:9] - 1:2], iccm_rd_ecc_single_err_hold_in}), + .dout({iccm_rw_addr_f[pt[936-:9] - 1:2], iccm_rd_ecc_single_err_ff}) + ); + rvdffe #(.WIDTH(pt[936-:9] + 37)) ecc_dat0_ff( + .clk(clk), + .din({iccm_corrected_ecc_f_mux[6:0], iccm_corrected_data_f_mux[31:0], iccm_ecc_corr_index_in[pt[936-:9] - 1:2]}), + .dout({iccm_ecc_corr_data_ff[38:0], iccm_ecc_corr_index_ff[pt[936-:9] - 1:2]}), + .en(iccm_ecc_write_status), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + end + else begin : iccm_disabled + assign iccm_dma_rvalid = 1'b0; + assign iccm_dma_ecc_error = 1'b0; + assign iccm_dma_rdata[63:0] = {64 {1'sb0}}; + assign iccm_single_ecc_error = {2 {1'sb0}}; + assign iccm_dma_rtag = {3 {1'sb0}}; + assign iccm_rd_ecc_single_err = 1'b0; + assign iccm_rd_ecc_double_err = {2 {1'sb0}}; + assign iccm_rd_ecc_single_err_ff = 1'b0; + assign iccm_error_start = 1'b0; + assign iccm_ecc_corr_index_ff[pt[936-:9] - 1:2] = {((pt[936-:9] - 1) >= 2 ? pt[936-:9] - 2 : 4 - pt[936-:9]) {1'sb0}}; + assign iccm_ecc_corr_data_ff[38:0] = {39 {1'sb0}}; + assign iccm_ecc_write_status = 1'b0; + end + endgenerate + assign ic_rd_en = (((ifc_fetch_req_bf & ~ifc_fetch_uncacheable_bf) & ~ifc_iccm_access_bf) & ~(((((((miss_state == STREAM) & ~miss_state_en) | ((miss_state == CRIT_BYP_OK) & ~miss_state_en)) | ((miss_state == STALL_SCND_MISS) & ~miss_state_en)) | ((miss_state == MISS_WAIT) & ~miss_state_en)) | ((miss_state == CRIT_WRD_RDY) & ~miss_state_en)) | (((miss_state == CRIT_BYP_OK) & miss_state_en) & (miss_nxtstate == MISS_WAIT)))) | (((ifc_fetch_req_bf & exu_flush_final) & ~ifc_fetch_uncacheable_bf) & ~ifc_iccm_access_bf); + wire ic_real_rd_wp_unused; + assign ic_real_rd_wp_unused = ((((((ifc_fetch_req_bf & ~ifc_iccm_access_bf) & ~ifc_region_acc_fault_final_bf) & ~dec_tlu_fence_i_wb) & ~stream_miss_f) & ~ic_act_miss_f) & ~(((((((((miss_state == STREAM) & ~miss_state_en) | (((miss_state == CRIT_BYP_OK) & ~miss_state_en) & ~(miss_nxtstate == MISS_WAIT))) | (((miss_state == CRIT_BYP_OK) & miss_state_en) & (miss_nxtstate == MISS_WAIT))) | ((miss_state == MISS_WAIT) & ~miss_state_en)) | ((miss_state == STALL_SCND_MISS) & ~miss_state_en)) | ((miss_state == CRIT_WRD_RDY) & ~miss_state_en)) | ((miss_nxtstate == STREAM) & miss_state_en)) | ((miss_state == SCND_MISS) & ~miss_state_en))) | (((((ifc_fetch_req_bf & ~ifc_iccm_access_bf) & ~ifc_region_acc_fault_final_bf) & ~dec_tlu_fence_i_wb) & ~stream_miss_f) & exu_flush_final); + assign ic_wr_en[pt[1060-:7] - 1:0] = bus_ic_wr_en[pt[1060-:7] - 1:0] & {pt[1060-:7] {write_ic_16_bytes}}; + assign ic_write_stall = write_ic_16_bytes & ~(((miss_state == CRIT_BYP_OK) | ((miss_state == STREAM) & ~((exu_flush_final | ifu_bp_hit_taken_q_f) | stream_eol_f))) & ~((bus_ifu_wr_en_ff & last_beat) & ~uncacheable_miss_ff)); + reg [pt[1060-:7] - 1:0] ic_tag_valid_unq; + generate + if (pt[1120-:5] == 1) begin : icache_enabled + assign ic_valid = (~ifu_wr_cumulative_err_data & ~(reset_ic_in | reset_ic_ff)) & ~reset_tag_valid_for_miss; + assign ifu_status_wr_addr_w_debug[pt[1104-:9]:pt[998-:7]] = ((ic_debug_rd_en | ic_debug_wr_en) & ic_debug_tag_array ? ic_debug_addr[pt[1104-:9]:pt[998-:7]] : ifu_status_wr_addr[pt[1104-:9]:pt[998-:7]]); + assign way_status_wr_en_w_debug = way_status_wr_en | (ic_debug_wr_en & ic_debug_tag_array); + assign way_status_new_w_debug[pt[1027-:7] - 1:0] = (ic_debug_wr_en & ic_debug_tag_array ? (pt[1027-:7] == 1 ? ic_debug_wr_data[4] : ic_debug_wr_data[6:4]) : way_status_new[pt[1027-:7] - 1:0]); + rvdffie #( + .WIDTH(((pt[991-:9] - pt[998-:7]) + 1) + pt[1027-:7]), + .OVERRIDE(1) + ) status_misc_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({ifu_status_wr_addr_w_debug[pt[1104-:9]:pt[998-:7]], way_status_wr_en_w_debug, way_status_new_w_debug[pt[1027-:7] - 1:0]}), + .dout({ifu_status_wr_addr_ff[pt[1104-:9]:pt[998-:7]], way_status_wr_en_ff, way_status_new_ff[pt[1027-:7] - 1:0]}) + ); + wire [(pt[1015-:17] / 8) - 1:0] way_status_clken; + wire [(pt[1015-:17] / 8) - 1:0] way_status_clk; + for (i = 0; i < (pt[1015-:17] / 8); i = i + 1) begin : CLK_GRP_WAY_STATUS + assign way_status_clken[i] = ifu_status_wr_addr_ff[pt[1104-:9]:pt[998-:7] + 3] == i; + rvclkhdr way_status_cgc( + .en(way_status_clken[i]), + .l1clk(way_status_clk[i]), + .clk(clk), + .scan_mode(scan_mode) + ); + genvar j; + for (j = 0; j < 8; j = j + 1) begin : WAY_STATUS + rvdffs_fpga #(.WIDTH(pt[1027-:7])) ic_way_status( + .rst_l(rst_l), + .clk(way_status_clk[i]), + .clken(way_status_clken[i]), + .rawclk(clk), + .en((ifu_status_wr_addr_ff[pt[998-:7] + 2:pt[998-:7]] == j) & way_status_wr_en_ff), + .din(way_status_new_ff[pt[1027-:7] - 1:0]), + .dout(way_status_out[((8 * i) + j) * pt[1027-:7]+:pt[1027-:7]]) + ); + end + end + function automatic signed [(pt[991-:9] - pt[998-:7]) - 1:0] sv2v_cast_46E4F_signed; + input reg signed [(pt[991-:9] - pt[998-:7]) - 1:0] inp; + sv2v_cast_46E4F_signed = inp; + endfunction + always @(*) begin : way_status_out_mux + way_status[pt[1027-:7] - 1:0] = {pt[1027-:7] {1'sb0}}; + begin : sv2v_autoblock_47 + reg signed [31:0] j; + for (j = 0; j < pt[1015-:17]; j = j + 1) + begin : status_mux_loop + if (ifu_ic_rw_int_addr_ff[pt[1104-:9]:pt[998-:7]] == sv2v_cast_46E4F_signed(j)) begin : mux_out + way_status[pt[1027-:7] - 1:0] = way_status_out[j * pt[1027-:7]+:pt[1027-:7]]; + end + end + end + end + assign ifu_ic_rw_int_addr_w_debug[pt[1104-:9]:pt[998-:7]] = ((ic_debug_rd_en | ic_debug_wr_en) & ic_debug_tag_array ? ic_debug_addr[pt[1104-:9]:pt[998-:7]] : ifu_ic_rw_int_addr[pt[1104-:9]:pt[998-:7]]); + assign ifu_tag_wren_w_debug[pt[1060-:7] - 1:0] = ifu_tag_wren[pt[1060-:7] - 1:0] | ic_debug_tag_wr_en[pt[1060-:7] - 1:0]; + assign ic_valid_w_debug = (ic_debug_wr_en & ic_debug_tag_array ? ic_debug_wr_data[0] : ic_valid); + rvdffie #(.WIDTH(((pt[991-:9] - pt[998-:7]) + pt[1060-:7]) + 1)) tag_addr_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({ifu_ic_rw_int_addr_w_debug[pt[1104-:9]:pt[998-:7]], ifu_tag_wren_w_debug[pt[1060-:7] - 1:0], ic_valid_w_debug}), + .dout({ifu_ic_rw_int_addr_ff[pt[1104-:9]:pt[998-:7]], ifu_tag_wren_ff[pt[1060-:7] - 1:0], ic_valid_ff}) + ); + wire [(pt[1060-:7] * pt[1015-:17]) - 1:0] ic_tag_valid_out; + wire [((pt[1015-:17] / 32) * pt[1060-:7]) - 1:0] tag_valid_clken; + wire [((pt[1015-:17] / 32) * pt[1060-:7]) - 1:0] tag_valid_clk; + for (i = 0; i < (pt[1015-:17] / 32); i = i + 1) begin : CLK_GRP_TAG_VALID + genvar j; + for (j = 0; j < pt[1060-:7]; j = j + 1) begin : way_clken + if (pt[1015-:17] == 32) begin + assign tag_valid_clken[(i * pt[1060-:7]) + j] = (ifu_tag_wren_ff[j] | perr_err_inv_way[j]) | reset_all_tags; + end + else assign tag_valid_clken[(i * pt[1060-:7]) + j] = (((ifu_ic_rw_int_addr_ff[pt[1104-:9]:pt[998-:7] + 5] == i) & ifu_tag_wren_ff[j]) | ((perr_ic_index_ff[pt[1104-:9]:pt[998-:7] + 5] == i) & perr_err_inv_way[j])) | reset_all_tags; + rvclkhdr way_status_cgc( + .en(tag_valid_clken[(i * pt[1060-:7]) + j]), + .l1clk(tag_valid_clk[(i * pt[1060-:7]) + j]), + .clk(clk), + .scan_mode(scan_mode) + ); + genvar k; + for (k = 0; k < 32; k = k + 1) begin : TAG_VALID + rvdffs_fpga #(.WIDTH(1)) ic_way_tagvalid_dup( + .rst_l(rst_l), + .clk(tag_valid_clk[(i * pt[1060-:7]) + j]), + .clken(tag_valid_clken[(i * pt[1060-:7]) + j]), + .rawclk(clk), + .en((((ifu_ic_rw_int_addr_ff[pt[1104-:9]:pt[998-:7]] == (k + (32 * i))) & ifu_tag_wren_ff[j]) | ((perr_ic_index_ff[pt[1104-:9]:pt[998-:7]] == (k + (32 * i))) & perr_err_inv_way[j])) | reset_all_tags), + .din((ic_valid_ff & ~reset_all_tags) & ~perr_sel_invalidate), + .dout(ic_tag_valid_out[(j * pt[1015-:17]) + ((32 * i) + k)]) + ); + end + end + end + always @(*) begin : tag_valid_out_mux + ic_tag_valid_unq[pt[1060-:7] - 1:0] = {pt[1060-:7] {1'sb0}}; + begin : sv2v_autoblock_48 + reg signed [31:0] j; + for (j = 0; j < pt[1015-:17]; j = j + 1) + begin : tag_valid_loop + if (ifu_ic_rw_int_addr_ff[pt[1104-:9]:pt[998-:7]] == sv2v_cast_46E4F_signed(j)) begin : valid_out + begin : sv2v_autoblock_49 + reg signed [31:0] k; + for (k = 0; k < pt[1060-:7]; k = k + 1) + ic_tag_valid_unq[k] = ic_tag_valid_unq[k] | ic_tag_valid_out[(k * pt[1015-:17]) + j]; + end + end + end + end + end + if (pt[1060-:7] == 4) begin : four_way_plru + assign replace_way_mb_any[3] = ((way_status_mb_ff[2] & way_status_mb_ff[0]) & &tagv_mb_ff[3:0]) | (((~tagv_mb_ff[3] & tagv_mb_ff[2]) & tagv_mb_ff[1]) & tagv_mb_ff[0]); + assign replace_way_mb_any[2] = ((~way_status_mb_ff[2] & way_status_mb_ff[0]) & &tagv_mb_ff[3:0]) | ((~tagv_mb_ff[2] & tagv_mb_ff[1]) & tagv_mb_ff[0]); + assign replace_way_mb_any[1] = ((way_status_mb_ff[1] & ~way_status_mb_ff[0]) & &tagv_mb_ff[3:0]) | (~tagv_mb_ff[1] & tagv_mb_ff[0]); + assign replace_way_mb_any[0] = ((~way_status_mb_ff[1] & ~way_status_mb_ff[0]) & &tagv_mb_ff[3:0]) | ~tagv_mb_ff[0]; + assign way_status_hit_new[pt[1027-:7] - 1:0] = ((({3 {~exu_flush_final & ic_rd_hit[0]}} & {way_status[2], 1'b1, 1'b1}) | ({3 {~exu_flush_final & ic_rd_hit[1]}} & {way_status[2], 1'b0, 1'b1})) | ({3 {~exu_flush_final & ic_rd_hit[2]}} & {1'b1, way_status[1], 1'b0})) | ({3 {~exu_flush_final & ic_rd_hit[3]}} & {1'b0, way_status[1], 1'b0}); + assign way_status_rep_new[pt[1027-:7] - 1:0] = ((({3 {replace_way_mb_any[0]}} & {way_status_mb_ff[2], 1'b1, 1'b1}) | ({3 {replace_way_mb_any[1]}} & {way_status_mb_ff[2], 1'b0, 1'b1})) | ({3 {replace_way_mb_any[2]}} & {1'b1, way_status_mb_ff[1], 1'b0})) | ({3 {replace_way_mb_any[3]}} & {1'b0, way_status_mb_ff[1], 1'b0}); + end + else begin : two_ways_plru + assign replace_way_mb_any[0] = ((~way_status_mb_ff & tagv_mb_ff[0]) & tagv_mb_ff[1]) | ~tagv_mb_ff[0]; + assign replace_way_mb_any[1] = ((way_status_mb_ff & tagv_mb_ff[0]) & tagv_mb_ff[1]) | (~tagv_mb_ff[1] & tagv_mb_ff[0]); + assign way_status_hit_new[pt[1027-:7] - 1:0] = ic_rd_hit[0]; + assign way_status_rep_new[pt[1027-:7] - 1:0] = replace_way_mb_any[0]; + end + assign way_status_new[pt[1027-:7] - 1:0] = (bus_ifu_wr_en_ff_q & last_beat ? way_status_rep_new[pt[1027-:7] - 1:0] : way_status_hit_new[pt[1027-:7] - 1:0]); + assign way_status_wr_en = (bus_ifu_wr_en_ff_q & last_beat) | ic_act_hit_f; + for (i = 0; i < pt[1060-:7]; i = i + 1) begin : bus_wren_loop + assign bus_wren[i] = (bus_ifu_wr_en_ff_q & replace_way_mb_any[i]) & miss_pending; + assign bus_wren_last[i] = ((bus_ifu_wr_en_ff_wo_err & replace_way_mb_any[i]) & miss_pending) & bus_last_data_beat; + assign ifu_tag_wren[i] = bus_wren_last[i] | wren_reset_miss[i]; + assign wren_reset_miss[i] = replace_way_mb_any[i] & reset_tag_valid_for_miss; + end + assign bus_ic_wr_en[pt[1060-:7] - 1:0] = bus_wren[pt[1060-:7] - 1:0]; + end + else begin : icache_disabled + wire [pt[1060-:7]:1] sv2v_tmp_602A9; + assign sv2v_tmp_602A9 = {pt[1060-:7] {1'sb0}}; + always @(*) ic_tag_valid_unq[pt[1060-:7] - 1:0] = sv2v_tmp_602A9; + wire [pt[1027-:7]:1] sv2v_tmp_89B17; + assign sv2v_tmp_89B17 = {pt[1027-:7] {1'sb0}}; + always @(*) way_status[pt[1027-:7] - 1:0] = sv2v_tmp_89B17; + assign replace_way_mb_any[pt[1060-:7] - 1:0] = {pt[1060-:7] {1'sb0}}; + assign way_status_hit_new[pt[1027-:7] - 1:0] = {pt[1027-:7] {1'sb0}}; + assign way_status_rep_new[pt[1027-:7] - 1:0] = {pt[1027-:7] {1'sb0}}; + assign way_status_new[pt[1027-:7] - 1:0] = {pt[1027-:7] {1'sb0}}; + assign way_status_wr_en = 1'b0; + assign bus_wren[pt[1060-:7] - 1:0] = {pt[1060-:7] {1'sb0}}; + end + endgenerate + assign ic_tag_valid[pt[1060-:7] - 1:0] = ic_tag_valid_unq[pt[1060-:7] - 1:0] & {pt[1060-:7] {~fetch_uncacheable_ff & ifc_fetch_req_f_raw}}; + assign ic_debug_tag_val_rd_out = |((ic_tag_valid_unq[pt[1060-:7] - 1:0] & ic_debug_way_ff[pt[1060-:7] - 1:0]) & {pt[1060-:7] {ic_debug_rd_en_ff}}); + assign ifu_pmu_ic_miss_in = ic_act_miss_f; + assign ifu_pmu_ic_hit_in = ic_act_hit_f; + assign ifu_pmu_bus_error_in = |ifc_bus_acc_fault_f; + assign ifu_pmu_bus_trxn_in = bus_cmd_sent; + assign ifu_pmu_bus_busy_in = (ifu_bus_arvalid_ff & ~ifu_bus_arready_ff) & miss_pending; + rvdffie #(.WIDTH(9)) ifu_pmu_sigs_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .clk(free_l2clk), + .din({ifc_fetch_uncacheable_bf, ifc_fetch_req_qual_bf, dma_sb_err_state, dec_tlu_fence_i_wb, ifu_pmu_ic_miss_in, ifu_pmu_ic_hit_in, ifu_pmu_bus_error_in, ifu_pmu_bus_busy_in, ifu_pmu_bus_trxn_in}), + .dout({fetch_uncacheable_ff, ifc_fetch_req_f_raw, dma_sb_err_state_ff, reset_all_tags, ifu_pmu_ic_miss, ifu_pmu_ic_hit, ifu_pmu_bus_error, ifu_pmu_bus_busy, ifu_pmu_bus_trxn}) + ); + assign ic_debug_addr[pt[1104-:9]:3] = dec_tlu_ic_diag_pkt[pt[1104-:9] - 1:2]; + assign ic_debug_way_enc[1:0] = dec_tlu_ic_diag_pkt[17:16]; + assign ic_debug_tag_array = dec_tlu_ic_diag_pkt[18]; + assign ic_debug_rd_en = dec_tlu_ic_diag_pkt[1]; + assign ic_debug_wr_en = dec_tlu_ic_diag_pkt[0]; + assign ic_debug_way[pt[1060-:7] - 1:0] = {ic_debug_way_enc[1:0] == 2'b11, ic_debug_way_enc[1:0] == 2'b10, ic_debug_way_enc[1:0] == 2'b01, ic_debug_way_enc[1:0] == 2'b00}; + assign ic_debug_tag_wr_en[pt[1060-:7] - 1:0] = {pt[1060-:7] {ic_debug_wr_en & ic_debug_tag_array}} & ic_debug_way[pt[1060-:7] - 1:0]; + assign ic_debug_ict_array_sel_in = ic_debug_rd_en & ic_debug_tag_array; + rvdff_fpga #(.WIDTH(1 + pt[1060-:7])) ifu_debug_sel_ff( + .rst_l(rst_l), + .clk(debug_c1_clk), + .clken(debug_c1_clken), + .rawclk(clk), + .din({ic_debug_ict_array_sel_in, ic_debug_way[pt[1060-:7] - 1:0]}), + .dout({ic_debug_ict_array_sel_ff, ic_debug_way_ff[pt[1060-:7] - 1:0]}) + ); + assign debug_data_clken = ic_debug_rd_en_ff; + assign ifc_region_acc_okay = (((((((~(|{pt[530-:5], pt[525-:5], pt[520-:5], pt[515-:5], pt[510-:5], pt[505-:5], pt[500-:5], pt[495-:5]}) | (pt[530-:5] & (({ifc_fetch_addr_bf[31:1], 1'b0} | pt[490-:36]) == (pt[818-:36] | pt[490-:36])))) | (pt[525-:5] & (({ifc_fetch_addr_bf[31:1], 1'b0} | pt[454-:36]) == (pt[782-:36] | pt[454-:36])))) | (pt[520-:5] & (({ifc_fetch_addr_bf[31:1], 1'b0} | pt[418-:36]) == (pt[746-:36] | pt[418-:36])))) | (pt[515-:5] & (({ifc_fetch_addr_bf[31:1], 1'b0} | pt[382-:36]) == (pt[710-:36] | pt[382-:36])))) | (pt[510-:5] & (({ifc_fetch_addr_bf[31:1], 1'b0} | pt[346-:36]) == (pt[674-:36] | pt[346-:36])))) | (pt[505-:5] & (({ifc_fetch_addr_bf[31:1], 1'b0} | pt[310-:36]) == (pt[638-:36] | pt[310-:36])))) | (pt[500-:5] & (({ifc_fetch_addr_bf[31:1], 1'b0} | pt[274-:36]) == (pt[602-:36] | pt[274-:36])))) | (pt[495-:5] & (({ifc_fetch_addr_bf[31:1], 1'b0} | pt[238-:36]) == (pt[566-:36] | pt[238-:36]))); + assign ifc_region_acc_fault_memory_bf = (~ifc_iccm_access_bf & ~ifc_region_acc_okay) & ifc_fetch_req_bf; + assign ifc_region_acc_fault_final_bf = ifc_region_acc_fault_bf | ifc_region_acc_fault_memory_bf; +endmodule +module eb1_lsu ( + clk_override, + dec_tlu_flush_lower_r, + dec_tlu_i0_kill_writeb_r, + dec_tlu_force_halt, + dec_tlu_external_ldfwd_disable, + dec_tlu_wb_coalescing_disable, + dec_tlu_sideeffect_posted_disable, + dec_tlu_core_ecc_disable, + exu_lsu_rs1_d, + exu_lsu_rs2_d, + dec_lsu_offset_d, + lsu_p, + dec_lsu_valid_raw_d, + dec_tlu_mrac_ff, + lsu_result_m, + lsu_result_corr_r, + lsu_load_stall_any, + lsu_store_stall_any, + lsu_fastint_stall_any, + lsu_idle_any, + lsu_active, + lsu_fir_addr, + lsu_fir_error, + lsu_single_ecc_error_incr, + lsu_error_pkt_r, + lsu_imprecise_error_load_any, + lsu_imprecise_error_store_any, + lsu_imprecise_error_addr_any, + lsu_nonblock_load_valid_m, + lsu_nonblock_load_tag_m, + lsu_nonblock_load_inv_r, + lsu_nonblock_load_inv_tag_r, + lsu_nonblock_load_data_valid, + lsu_nonblock_load_data_error, + lsu_nonblock_load_data_tag, + lsu_nonblock_load_data, + lsu_pmu_load_external_m, + lsu_pmu_store_external_m, + lsu_pmu_misaligned_m, + lsu_pmu_bus_trxn, + lsu_pmu_bus_misaligned, + lsu_pmu_bus_error, + lsu_pmu_bus_busy, + trigger_pkt_any, + lsu_trigger_match_m, + dccm_wren, + dccm_rden, + dccm_wr_addr_lo, + dccm_wr_addr_hi, + dccm_rd_addr_lo, + dccm_rd_addr_hi, + dccm_wr_data_lo, + dccm_wr_data_hi, + dccm_rd_data_lo, + dccm_rd_data_hi, + picm_wren, + picm_rden, + picm_mken, + picm_rdaddr, + picm_wraddr, + picm_wr_data, + picm_rd_data, + lsu_axi_awvalid, + lsu_axi_awready, + lsu_axi_awid, + lsu_axi_awaddr, + lsu_axi_awregion, + lsu_axi_awlen, + lsu_axi_awsize, + lsu_axi_awburst, + lsu_axi_awlock, + lsu_axi_awcache, + lsu_axi_awprot, + lsu_axi_awqos, + lsu_axi_wvalid, + lsu_axi_wready, + lsu_axi_wdata, + lsu_axi_wstrb, + lsu_axi_wlast, + lsu_axi_bvalid, + lsu_axi_bready, + lsu_axi_bresp, + lsu_axi_bid, + lsu_axi_arvalid, + lsu_axi_arready, + lsu_axi_arid, + lsu_axi_araddr, + lsu_axi_arregion, + lsu_axi_arlen, + lsu_axi_arsize, + lsu_axi_arburst, + lsu_axi_arlock, + lsu_axi_arcache, + lsu_axi_arprot, + lsu_axi_arqos, + lsu_axi_rvalid, + lsu_axi_rready, + lsu_axi_rid, + lsu_axi_rdata, + lsu_axi_rresp, + lsu_axi_rlast, + lsu_bus_clk_en, + dma_dccm_req, + dma_mem_tag, + dma_mem_addr, + dma_mem_sz, + dma_mem_write, + dma_mem_wdata, + dccm_dma_rvalid, + dccm_dma_ecc_error, + dccm_dma_rtag, + dccm_dma_rdata, + dccm_ready, + scan_mode, + clk, + active_clk, + rst_l +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk_override; + input wire dec_tlu_flush_lower_r; + input wire dec_tlu_i0_kill_writeb_r; + input wire dec_tlu_force_halt; + input wire dec_tlu_external_ldfwd_disable; + input wire dec_tlu_wb_coalescing_disable; + input wire dec_tlu_sideeffect_posted_disable; + input wire dec_tlu_core_ecc_disable; + input wire [31:0] exu_lsu_rs1_d; + input wire [31:0] exu_lsu_rs2_d; + input wire [11:0] dec_lsu_offset_d; + input wire [13:0] lsu_p; + input wire dec_lsu_valid_raw_d; + input wire [31:0] dec_tlu_mrac_ff; + output wire [31:0] lsu_result_m; + output wire [31:0] lsu_result_corr_r; + output wire lsu_load_stall_any; + output wire lsu_store_stall_any; + output wire lsu_fastint_stall_any; + output wire lsu_idle_any; + output wire lsu_active; + output wire [31:1] lsu_fir_addr; + output wire [1:0] lsu_fir_error; + output wire lsu_single_ecc_error_incr; + output wire [39:0] lsu_error_pkt_r; + output wire lsu_imprecise_error_load_any; + output wire lsu_imprecise_error_store_any; + output wire [31:0] lsu_imprecise_error_addr_any; + output wire lsu_nonblock_load_valid_m; + output wire [pt[164-:7] - 1:0] lsu_nonblock_load_tag_m; + output wire lsu_nonblock_load_inv_r; + output wire [pt[164-:7] - 1:0] lsu_nonblock_load_inv_tag_r; + output wire lsu_nonblock_load_data_valid; + output wire lsu_nonblock_load_data_error; + output wire [pt[164-:7] - 1:0] lsu_nonblock_load_data_tag; + output wire [31:0] lsu_nonblock_load_data; + output wire lsu_pmu_load_external_m; + output wire lsu_pmu_store_external_m; + output wire lsu_pmu_misaligned_m; + output wire lsu_pmu_bus_trxn; + output wire lsu_pmu_bus_misaligned; + output wire lsu_pmu_bus_error; + output wire lsu_pmu_bus_busy; + input wire [151:0] trigger_pkt_any; + output wire [3:0] lsu_trigger_match_m; + output wire dccm_wren; + output wire dccm_rden; + output wire [pt[1398-:9] - 1:0] dccm_wr_addr_lo; + output wire [pt[1398-:9] - 1:0] dccm_wr_addr_hi; + output wire [pt[1398-:9] - 1:0] dccm_rd_addr_lo; + output wire [pt[1398-:9] - 1:0] dccm_rd_addr_hi; + output wire [pt[1360-:10] - 1:0] dccm_wr_data_lo; + output wire [pt[1360-:10] - 1:0] dccm_wr_data_hi; + input wire [pt[1360-:10] - 1:0] dccm_rd_data_lo; + input wire [pt[1360-:10] - 1:0] dccm_rd_data_hi; + output wire picm_wren; + output wire picm_rden; + output wire picm_mken; + output wire [31:0] picm_rdaddr; + output wire [31:0] picm_wraddr; + output wire [31:0] picm_wr_data; + input wire [31:0] picm_rd_data; + output wire lsu_axi_awvalid; + input wire lsu_axi_awready; + output wire [pt[181-:8] - 1:0] lsu_axi_awid; + output wire [31:0] lsu_axi_awaddr; + output wire [3:0] lsu_axi_awregion; + output wire [7:0] lsu_axi_awlen; + output wire [2:0] lsu_axi_awsize; + output wire [1:0] lsu_axi_awburst; + output wire lsu_axi_awlock; + output wire [3:0] lsu_axi_awcache; + output wire [2:0] lsu_axi_awprot; + output wire [3:0] lsu_axi_awqos; + output wire lsu_axi_wvalid; + input wire lsu_axi_wready; + output wire [63:0] lsu_axi_wdata; + output wire [7:0] lsu_axi_wstrb; + output wire lsu_axi_wlast; + input wire lsu_axi_bvalid; + output wire lsu_axi_bready; + input wire [1:0] lsu_axi_bresp; + input wire [pt[181-:8] - 1:0] lsu_axi_bid; + output wire lsu_axi_arvalid; + input wire lsu_axi_arready; + output wire [pt[181-:8] - 1:0] lsu_axi_arid; + output wire [31:0] lsu_axi_araddr; + output wire [3:0] lsu_axi_arregion; + output wire [7:0] lsu_axi_arlen; + output wire [2:0] lsu_axi_arsize; + output wire [1:0] lsu_axi_arburst; + output wire lsu_axi_arlock; + output wire [3:0] lsu_axi_arcache; + output wire [2:0] lsu_axi_arprot; + output wire [3:0] lsu_axi_arqos; + input wire lsu_axi_rvalid; + output wire lsu_axi_rready; + input wire [pt[181-:8] - 1:0] lsu_axi_rid; + input wire [63:0] lsu_axi_rdata; + input wire [1:0] lsu_axi_rresp; + input wire lsu_axi_rlast; + input wire lsu_bus_clk_en; + input wire dma_dccm_req; + input wire [2:0] dma_mem_tag; + input wire [31:0] dma_mem_addr; + input wire [2:0] dma_mem_sz; + input wire dma_mem_write; + input wire [63:0] dma_mem_wdata; + output wire dccm_dma_rvalid; + output wire dccm_dma_ecc_error; + output wire [2:0] dccm_dma_rtag; + output wire [63:0] dccm_dma_rdata; + output wire dccm_ready; + input wire scan_mode; + input wire clk; + input wire active_clk; + input wire rst_l; + wire lsu_dccm_rden_m; + wire lsu_dccm_rden_r; + wire [31:0] store_data_m; + wire [31:0] store_data_r; + wire [31:0] store_data_hi_r; + wire [31:0] store_data_lo_r; + wire [31:0] store_datafn_hi_r; + wire [31:0] store_datafn_lo_r; + wire [31:0] sec_data_lo_m; + wire [31:0] sec_data_hi_m; + wire [31:0] sec_data_lo_r; + wire [31:0] sec_data_hi_r; + wire [31:0] lsu_ld_data_m; + wire [31:0] dccm_rdata_hi_m; + wire [31:0] dccm_rdata_lo_m; + wire [6:0] dccm_data_ecc_hi_m; + wire [6:0] dccm_data_ecc_lo_m; + wire lsu_single_ecc_error_m; + wire lsu_double_ecc_error_m; + wire [31:0] lsu_ld_data_r; + wire [31:0] lsu_ld_data_corr_r; + wire [31:0] dccm_rdata_hi_r; + wire [31:0] dccm_rdata_lo_r; + wire [6:0] dccm_data_ecc_hi_r; + wire [6:0] dccm_data_ecc_lo_r; + wire single_ecc_error_hi_r; + wire single_ecc_error_lo_r; + wire lsu_single_ecc_error_r; + wire lsu_double_ecc_error_r; + wire ld_single_ecc_error_r; + wire ld_single_ecc_error_r_ff; + wire [31:0] picm_mask_data_m; + wire [31:0] lsu_addr_d; + wire [31:0] lsu_addr_m; + wire [31:0] lsu_addr_r; + wire [31:0] end_addr_d; + wire [31:0] end_addr_m; + wire [31:0] end_addr_r; + wire [13:0] lsu_pkt_d; + wire [13:0] lsu_pkt_m; + wire [13:0] lsu_pkt_r; + wire lsu_i0_valid_d; + wire lsu_i0_valid_m; + wire lsu_i0_valid_r; + wire store_stbuf_reqvld_r; + wire ldst_stbuf_reqvld_r; + wire lsu_commit_r; + wire lsu_exc_m; + wire addr_in_dccm_d; + wire addr_in_dccm_m; + wire addr_in_dccm_r; + wire addr_in_pic_d; + wire addr_in_pic_m; + wire addr_in_pic_r; + wire ldst_dual_d; + wire ldst_dual_m; + wire ldst_dual_r; + wire addr_external_m; + wire stbuf_reqvld_any; + wire stbuf_reqvld_flushed_any; + wire [pt[157-:9] - 1:0] stbuf_addr_any; + wire [pt[1382-:10] - 1:0] stbuf_data_any; + wire [pt[1372-:7] - 1:0] stbuf_ecc_any; + wire [pt[1382-:10] - 1:0] sec_data_lo_r_ff; + wire [pt[1382-:10] - 1:0] sec_data_hi_r_ff; + wire [pt[1372-:7] - 1:0] sec_data_ecc_hi_r_ff; + wire [pt[1372-:7] - 1:0] sec_data_ecc_lo_r_ff; + wire lsu_cmpen_m; + wire [pt[1382-:10] - 1:0] stbuf_fwddata_hi_m; + wire [pt[1382-:10] - 1:0] stbuf_fwddata_lo_m; + wire [pt[1389-:7] - 1:0] stbuf_fwdbyteen_hi_m; + wire [pt[1389-:7] - 1:0] stbuf_fwdbyteen_lo_m; + wire lsu_stbuf_commit_any; + wire lsu_stbuf_empty_any; + wire lsu_stbuf_full_any; + wire lsu_busreq_r; + wire lsu_bus_buffer_pend_any; + wire lsu_bus_buffer_empty_any; + wire lsu_bus_buffer_full_any; + wire lsu_busreq_m; + wire [31:0] bus_read_data_m; + wire flush_m_up; + wire flush_r; + wire is_sideeffects_m; + wire [2:0] dma_mem_tag_d; + wire [2:0] dma_mem_tag_m; + wire ldst_nodma_mtor; + wire dma_dccm_wen; + wire dma_pic_wen; + wire [31:0] dma_dccm_wdata_lo; + wire [31:0] dma_dccm_wdata_hi; + wire [pt[1372-:7] - 1:0] dma_dccm_wdata_ecc_lo; + wire [pt[1372-:7] - 1:0] dma_dccm_wdata_ecc_hi; + wire lsu_busm_clken; + wire lsu_bus_obuf_c1_clken; + wire lsu_c1_m_clk; + wire lsu_c1_r_clk; + wire lsu_c2_m_clk; + wire lsu_c2_r_clk; + wire lsu_store_c1_m_clk; + wire lsu_store_c1_r_clk; + wire lsu_stbuf_c1_clk; + wire lsu_bus_ibuf_c1_clk; + wire lsu_bus_obuf_c1_clk; + wire lsu_bus_buf_c1_clk; + wire lsu_busm_clk; + wire lsu_free_c2_clk; + wire lsu_raw_fwd_lo_m; + wire lsu_raw_fwd_hi_m; + wire lsu_raw_fwd_lo_r; + wire lsu_raw_fwd_hi_r; + assign lsu_raw_fwd_lo_m = |stbuf_fwdbyteen_lo_m[pt[1389-:7] - 1:0]; + assign lsu_raw_fwd_hi_m = |stbuf_fwdbyteen_hi_m[pt[1389-:7] - 1:0]; + eb1_lsu_lsc_ctl #(.pt(pt)) lsu_lsc_ctl( + .rst_l(rst_l), + .clk_override(clk_override), + .clk(clk), + .lsu_c1_m_clk(lsu_c1_m_clk), + .lsu_c1_r_clk(lsu_c1_r_clk), + .lsu_c2_m_clk(lsu_c2_m_clk), + .lsu_c2_r_clk(lsu_c2_r_clk), + .lsu_store_c1_m_clk(lsu_store_c1_m_clk), + .lsu_ld_data_r(lsu_ld_data_r), + .lsu_ld_data_corr_r(lsu_ld_data_corr_r), + .lsu_single_ecc_error_r(lsu_single_ecc_error_r), + .lsu_double_ecc_error_r(lsu_double_ecc_error_r), + .lsu_ld_data_m(lsu_ld_data_m), + .lsu_single_ecc_error_m(lsu_single_ecc_error_m), + .lsu_double_ecc_error_m(lsu_double_ecc_error_m), + .flush_m_up(flush_m_up), + .flush_r(flush_r), + .ldst_dual_d(ldst_dual_d), + .ldst_dual_m(ldst_dual_m), + .ldst_dual_r(ldst_dual_r), + .exu_lsu_rs1_d(exu_lsu_rs1_d), + .exu_lsu_rs2_d(exu_lsu_rs2_d), + .lsu_p(lsu_p), + .dec_lsu_valid_raw_d(dec_lsu_valid_raw_d), + .dec_lsu_offset_d(dec_lsu_offset_d), + .picm_mask_data_m(picm_mask_data_m), + .bus_read_data_m(bus_read_data_m), + .lsu_result_m(lsu_result_m), + .lsu_result_corr_r(lsu_result_corr_r), + .lsu_addr_d(lsu_addr_d), + .lsu_addr_m(lsu_addr_m), + .lsu_addr_r(lsu_addr_r), + .end_addr_d(end_addr_d), + .end_addr_m(end_addr_m), + .end_addr_r(end_addr_r), + .store_data_m(store_data_m), + .dec_tlu_mrac_ff(dec_tlu_mrac_ff), + .lsu_exc_m(lsu_exc_m), + .is_sideeffects_m(is_sideeffects_m), + .lsu_commit_r(lsu_commit_r), + .lsu_single_ecc_error_incr(lsu_single_ecc_error_incr), + .lsu_error_pkt_r(lsu_error_pkt_r), + .lsu_fir_addr(lsu_fir_addr), + .lsu_fir_error(lsu_fir_error), + .addr_in_dccm_d(addr_in_dccm_d), + .addr_in_dccm_m(addr_in_dccm_m), + .addr_in_dccm_r(addr_in_dccm_r), + .addr_in_pic_d(addr_in_pic_d), + .addr_in_pic_m(addr_in_pic_m), + .addr_in_pic_r(addr_in_pic_r), + .addr_external_m(addr_external_m), + .dma_dccm_req(dma_dccm_req), + .dma_mem_addr(dma_mem_addr), + .dma_mem_sz(dma_mem_sz), + .dma_mem_write(dma_mem_write), + .dma_mem_wdata(dma_mem_wdata), + .lsu_pkt_d(lsu_pkt_d), + .lsu_pkt_m(lsu_pkt_m), + .lsu_pkt_r(lsu_pkt_r), + .scan_mode(scan_mode) + ); + assign lsu_store_stall_any = (lsu_stbuf_full_any | lsu_bus_buffer_full_any) | ld_single_ecc_error_r_ff; + assign lsu_load_stall_any = lsu_bus_buffer_full_any | ld_single_ecc_error_r_ff; + assign lsu_fastint_stall_any = ld_single_ecc_error_r; + assign dma_mem_tag_d[2:0] = dma_mem_tag[2:0]; + assign ldst_nodma_mtor = ((lsu_pkt_m[0] & ~lsu_pkt_m[4]) & (addr_in_dccm_m | addr_in_pic_m)) & lsu_pkt_m[6]; + assign dccm_ready = ~((dec_lsu_valid_raw_d | ldst_nodma_mtor) | ld_single_ecc_error_r_ff); + assign dma_dccm_wen = ((dma_dccm_req & dma_mem_write) & addr_in_dccm_d) & dma_mem_sz[1]; + assign dma_pic_wen = (dma_dccm_req & dma_mem_write) & addr_in_pic_d; + assign {dma_dccm_wdata_hi[31:0], dma_dccm_wdata_lo[31:0]} = dma_mem_wdata[63:0] >> {dma_mem_addr[2:0], 3'b000}; + assign flush_m_up = dec_tlu_flush_lower_r; + assign flush_r = dec_tlu_i0_kill_writeb_r; + assign lsu_idle_any = ~((lsu_pkt_m[0] & ~lsu_pkt_m[4]) | (lsu_pkt_r[0] & ~lsu_pkt_r[4])) & lsu_bus_buffer_empty_any; + assign lsu_active = ((lsu_pkt_m[0] | lsu_pkt_r[0]) | ld_single_ecc_error_r_ff) | ~lsu_bus_buffer_empty_any; + assign store_stbuf_reqvld_r = (((lsu_pkt_r[0] & lsu_pkt_r[6]) & addr_in_dccm_r) & ~flush_r) & (~lsu_pkt_r[4] | ((lsu_pkt_r[11] | lsu_pkt_r[10]) & ~lsu_double_ecc_error_r)); + assign lsu_cmpen_m = (lsu_pkt_m[0] & (lsu_pkt_m[7] | lsu_pkt_m[6])) & (addr_in_dccm_m | addr_in_pic_m); + assign lsu_busreq_m = (((lsu_pkt_m[0] & ((lsu_pkt_m[7] | lsu_pkt_m[6]) & addr_external_m)) & ~flush_m_up) & ~lsu_exc_m) & ~lsu_pkt_m[13]; + assign ldst_dual_d = lsu_addr_d[2] != end_addr_d[2]; + assign ldst_dual_m = lsu_addr_m[2] != end_addr_m[2]; + assign ldst_dual_r = lsu_addr_r[2] != end_addr_r[2]; + assign lsu_pmu_misaligned_m = lsu_pkt_m[0] & ((lsu_pkt_m[10] & lsu_addr_m[0]) | (lsu_pkt_m[9] & |lsu_addr_m[1:0])); + assign lsu_pmu_load_external_m = (lsu_pkt_m[0] & lsu_pkt_m[7]) & addr_external_m; + assign lsu_pmu_store_external_m = (lsu_pkt_m[0] & lsu_pkt_m[6]) & addr_external_m; + eb1_lsu_dccm_ctl #(.pt(pt)) dccm_ctl( + .lsu_addr_d(lsu_addr_d[31:0]), + .end_addr_d(end_addr_d[pt[1398-:9] - 1:0]), + .lsu_addr_m(lsu_addr_m[pt[1398-:9] - 1:0]), + .lsu_addr_r(lsu_addr_r[31:0]), + .end_addr_m(end_addr_m[pt[1398-:9] - 1:0]), + .end_addr_r(end_addr_r[pt[1398-:9] - 1:0]), + .lsu_c2_m_clk(lsu_c2_m_clk), + .lsu_c2_r_clk(lsu_c2_r_clk), + .lsu_c1_r_clk(lsu_c1_r_clk), + .lsu_store_c1_r_clk(lsu_store_c1_r_clk), + .lsu_free_c2_clk(lsu_free_c2_clk), + .clk_override(clk_override), + .clk(clk), + .rst_l(rst_l), + .lsu_pkt_r(lsu_pkt_r), + .lsu_pkt_m(lsu_pkt_m), + .lsu_pkt_d(lsu_pkt_d), + .addr_in_dccm_d(addr_in_dccm_d), + .addr_in_pic_d(addr_in_pic_d), + .addr_in_pic_m(addr_in_pic_m), + .addr_in_dccm_m(addr_in_dccm_m), + .addr_in_dccm_r(addr_in_dccm_r), + .addr_in_pic_r(addr_in_pic_r), + .lsu_raw_fwd_lo_r(lsu_raw_fwd_lo_r), + .lsu_raw_fwd_hi_r(lsu_raw_fwd_hi_r), + .lsu_commit_r(lsu_commit_r), + .ldst_dual_m(ldst_dual_m), + .ldst_dual_r(ldst_dual_r), + .stbuf_reqvld_any(stbuf_reqvld_any), + .stbuf_addr_any(stbuf_addr_any), + .stbuf_data_any(stbuf_data_any), + .stbuf_ecc_any(stbuf_ecc_any), + .stbuf_fwddata_hi_m(stbuf_fwddata_hi_m), + .stbuf_fwddata_lo_m(stbuf_fwddata_lo_m), + .stbuf_fwdbyteen_hi_m(stbuf_fwdbyteen_hi_m), + .stbuf_fwdbyteen_lo_m(stbuf_fwdbyteen_lo_m), + .dccm_rdata_hi_r(dccm_rdata_hi_r), + .dccm_rdata_lo_r(dccm_rdata_lo_r), + .dccm_data_ecc_hi_r(dccm_data_ecc_hi_r), + .dccm_data_ecc_lo_r(dccm_data_ecc_lo_r), + .lsu_ld_data_r(lsu_ld_data_r), + .lsu_ld_data_corr_r(lsu_ld_data_corr_r), + .lsu_double_ecc_error_r(lsu_double_ecc_error_r), + .single_ecc_error_hi_r(single_ecc_error_hi_r), + .single_ecc_error_lo_r(single_ecc_error_lo_r), + .sec_data_hi_r(sec_data_hi_r), + .sec_data_lo_r(sec_data_lo_r), + .sec_data_hi_r_ff(sec_data_hi_r_ff), + .sec_data_lo_r_ff(sec_data_lo_r_ff), + .sec_data_ecc_hi_r_ff(sec_data_ecc_hi_r_ff), + .sec_data_ecc_lo_r_ff(sec_data_ecc_lo_r_ff), + .dccm_rdata_hi_m(dccm_rdata_hi_m), + .dccm_rdata_lo_m(dccm_rdata_lo_m), + .dccm_data_ecc_hi_m(dccm_data_ecc_hi_m), + .dccm_data_ecc_lo_m(dccm_data_ecc_lo_m), + .lsu_ld_data_m(lsu_ld_data_m), + .lsu_double_ecc_error_m(lsu_double_ecc_error_m), + .sec_data_hi_m(sec_data_hi_m), + .sec_data_lo_m(sec_data_lo_m), + .store_data_m(store_data_m), + .dma_dccm_wen(dma_dccm_wen), + .dma_pic_wen(dma_pic_wen), + .dma_mem_tag_m(dma_mem_tag_m), + .dma_mem_addr(dma_mem_addr), + .dma_mem_wdata(dma_mem_wdata), + .dma_dccm_wdata_lo(dma_dccm_wdata_lo), + .dma_dccm_wdata_hi(dma_dccm_wdata_hi), + .dma_dccm_wdata_ecc_hi(dma_dccm_wdata_ecc_hi), + .dma_dccm_wdata_ecc_lo(dma_dccm_wdata_ecc_lo), + .store_data_hi_r(store_data_hi_r), + .store_data_lo_r(store_data_lo_r), + .store_datafn_hi_r(store_datafn_hi_r), + .store_datafn_lo_r(store_datafn_lo_r), + .store_data_r(store_data_r), + .ld_single_ecc_error_r(ld_single_ecc_error_r), + .ld_single_ecc_error_r_ff(ld_single_ecc_error_r_ff), + .picm_mask_data_m(picm_mask_data_m), + .lsu_stbuf_commit_any(lsu_stbuf_commit_any), + .lsu_dccm_rden_m(lsu_dccm_rden_m), + .lsu_dccm_rden_r(lsu_dccm_rden_r), + .dccm_dma_rvalid(dccm_dma_rvalid), + .dccm_dma_ecc_error(dccm_dma_ecc_error), + .dccm_dma_rtag(dccm_dma_rtag), + .dccm_dma_rdata(dccm_dma_rdata), + .dccm_wren(dccm_wren), + .dccm_rden(dccm_rden), + .dccm_wr_addr_lo(dccm_wr_addr_lo), + .dccm_wr_addr_hi(dccm_wr_addr_hi), + .dccm_rd_addr_lo(dccm_rd_addr_lo), + .dccm_rd_addr_hi(dccm_rd_addr_hi), + .dccm_wr_data_lo(dccm_wr_data_lo), + .dccm_wr_data_hi(dccm_wr_data_hi), + .dccm_rd_data_lo(dccm_rd_data_lo), + .dccm_rd_data_hi(dccm_rd_data_hi), + .picm_wren(picm_wren), + .picm_rden(picm_rden), + .picm_mken(picm_mken), + .picm_rdaddr(picm_rdaddr), + .picm_wraddr(picm_wraddr), + .picm_wr_data(picm_wr_data), + .picm_rd_data(picm_rd_data), + .scan_mode(scan_mode) + ); + eb1_lsu_stbuf #(.pt(pt)) stbuf( + .lsu_addr_d(lsu_addr_d[pt[157-:9] - 1:0]), + .end_addr_d(end_addr_d[pt[157-:9] - 1:0]), + .clk(clk), + .rst_l(rst_l), + .lsu_stbuf_c1_clk(lsu_stbuf_c1_clk), + .lsu_free_c2_clk(lsu_free_c2_clk), + .store_stbuf_reqvld_r(store_stbuf_reqvld_r), + .lsu_commit_r(lsu_commit_r), + .dec_lsu_valid_raw_d(dec_lsu_valid_raw_d), + .store_data_hi_r(store_data_hi_r), + .store_data_lo_r(store_data_lo_r), + .store_datafn_hi_r(store_datafn_hi_r), + .store_datafn_lo_r(store_datafn_lo_r), + .stbuf_reqvld_any(stbuf_reqvld_any), + .stbuf_reqvld_flushed_any(stbuf_reqvld_flushed_any), + .stbuf_addr_any(stbuf_addr_any), + .stbuf_data_any(stbuf_data_any), + .lsu_stbuf_commit_any(lsu_stbuf_commit_any), + .lsu_stbuf_full_any(lsu_stbuf_full_any), + .lsu_stbuf_empty_any(lsu_stbuf_empty_any), + .ldst_stbuf_reqvld_r(ldst_stbuf_reqvld_r), + .lsu_addr_m(lsu_addr_m), + .lsu_addr_r(lsu_addr_r), + .end_addr_m(end_addr_m), + .end_addr_r(end_addr_r), + .ldst_dual_d(ldst_dual_d), + .ldst_dual_m(ldst_dual_m), + .ldst_dual_r(ldst_dual_r), + .addr_in_dccm_m(addr_in_dccm_m), + .addr_in_dccm_r(addr_in_dccm_r), + .lsu_cmpen_m(lsu_cmpen_m), + .lsu_pkt_m(lsu_pkt_m), + .lsu_pkt_r(lsu_pkt_r), + .stbuf_fwddata_hi_m(stbuf_fwddata_hi_m), + .stbuf_fwddata_lo_m(stbuf_fwddata_lo_m), + .stbuf_fwdbyteen_hi_m(stbuf_fwdbyteen_hi_m), + .stbuf_fwdbyteen_lo_m(stbuf_fwdbyteen_lo_m), + .scan_mode(scan_mode) + ); + eb1_lsu_ecc #(.pt(pt)) ecc( + .lsu_addr_r(lsu_addr_r[pt[1398-:9] - 1:0]), + .end_addr_r(end_addr_r[pt[1398-:9] - 1:0]), + .lsu_addr_m(lsu_addr_m[pt[1398-:9] - 1:0]), + .end_addr_m(end_addr_m[pt[1398-:9] - 1:0]), + .clk(clk), + .lsu_c2_r_clk(lsu_c2_r_clk), + .clk_override(clk_override), + .rst_l(rst_l), + .scan_mode(scan_mode), + .lsu_pkt_m(lsu_pkt_m), + .lsu_pkt_r(lsu_pkt_r), + .stbuf_data_any(stbuf_data_any), + .dec_tlu_core_ecc_disable(dec_tlu_core_ecc_disable), + .lsu_dccm_rden_r(lsu_dccm_rden_r), + .addr_in_dccm_r(addr_in_dccm_r), + .dccm_rdata_hi_r(dccm_rdata_hi_r), + .dccm_rdata_lo_r(dccm_rdata_lo_r), + .dccm_data_ecc_hi_r(dccm_data_ecc_hi_r), + .dccm_data_ecc_lo_r(dccm_data_ecc_lo_r), + .sec_data_hi_r(sec_data_hi_r), + .sec_data_lo_r(sec_data_lo_r), + .sec_data_hi_r_ff(sec_data_hi_r_ff), + .sec_data_lo_r_ff(sec_data_lo_r_ff), + .ld_single_ecc_error_r(ld_single_ecc_error_r), + .ld_single_ecc_error_r_ff(ld_single_ecc_error_r_ff), + .lsu_dccm_rden_m(lsu_dccm_rden_m), + .addr_in_dccm_m(addr_in_dccm_m), + .dccm_rdata_hi_m(dccm_rdata_hi_m), + .dccm_rdata_lo_m(dccm_rdata_lo_m), + .dccm_data_ecc_hi_m(dccm_data_ecc_hi_m), + .dccm_data_ecc_lo_m(dccm_data_ecc_lo_m), + .sec_data_hi_m(sec_data_hi_m), + .sec_data_lo_m(sec_data_lo_m), + .dma_dccm_wen(dma_dccm_wen), + .dma_dccm_wdata_lo(dma_dccm_wdata_lo), + .dma_dccm_wdata_hi(dma_dccm_wdata_hi), + .dma_dccm_wdata_ecc_hi(dma_dccm_wdata_ecc_hi), + .dma_dccm_wdata_ecc_lo(dma_dccm_wdata_ecc_lo), + .stbuf_ecc_any(stbuf_ecc_any), + .sec_data_ecc_hi_r_ff(sec_data_ecc_hi_r_ff), + .sec_data_ecc_lo_r_ff(sec_data_ecc_lo_r_ff), + .single_ecc_error_hi_r(single_ecc_error_hi_r), + .single_ecc_error_lo_r(single_ecc_error_lo_r), + .lsu_single_ecc_error_r(lsu_single_ecc_error_r), + .lsu_double_ecc_error_r(lsu_double_ecc_error_r), + .lsu_single_ecc_error_m(lsu_single_ecc_error_m), + .lsu_double_ecc_error_m(lsu_double_ecc_error_m) + ); + eb1_lsu_trigger #(.pt(pt)) trigger( + .store_data_m(store_data_m[31:0]), + .trigger_pkt_any(trigger_pkt_any), + .lsu_pkt_m(lsu_pkt_m), + .lsu_addr_m(lsu_addr_m), + .lsu_trigger_match_m(lsu_trigger_match_m) + ); + eb1_lsu_clkdomain #(.pt(pt)) clkdomain( + .clk(clk), + .active_clk(active_clk), + .rst_l(rst_l), + .dec_tlu_force_halt(dec_tlu_force_halt), + .clk_override(clk_override), + .dma_dccm_req(dma_dccm_req), + .ldst_stbuf_reqvld_r(ldst_stbuf_reqvld_r), + .stbuf_reqvld_any(stbuf_reqvld_any), + .stbuf_reqvld_flushed_any(stbuf_reqvld_flushed_any), + .lsu_busreq_r(lsu_busreq_r), + .lsu_bus_buffer_pend_any(lsu_bus_buffer_pend_any), + .lsu_bus_buffer_empty_any(lsu_bus_buffer_empty_any), + .lsu_stbuf_empty_any(lsu_stbuf_empty_any), + .lsu_bus_clk_en(lsu_bus_clk_en), + .lsu_p(lsu_p), + .lsu_pkt_d(lsu_pkt_d), + .lsu_pkt_m(lsu_pkt_m), + .lsu_pkt_r(lsu_pkt_r), + .lsu_bus_obuf_c1_clken(lsu_bus_obuf_c1_clken), + .lsu_busm_clken(lsu_busm_clken), + .lsu_c1_m_clk(lsu_c1_m_clk), + .lsu_c1_r_clk(lsu_c1_r_clk), + .lsu_c2_m_clk(lsu_c2_m_clk), + .lsu_c2_r_clk(lsu_c2_r_clk), + .lsu_store_c1_m_clk(lsu_store_c1_m_clk), + .lsu_store_c1_r_clk(lsu_store_c1_r_clk), + .lsu_stbuf_c1_clk(lsu_stbuf_c1_clk), + .lsu_bus_obuf_c1_clk(lsu_bus_obuf_c1_clk), + .lsu_bus_ibuf_c1_clk(lsu_bus_ibuf_c1_clk), + .lsu_bus_buf_c1_clk(lsu_bus_buf_c1_clk), + .lsu_busm_clk(lsu_busm_clk), + .lsu_free_c2_clk(lsu_free_c2_clk), + .scan_mode(scan_mode) + ); + eb1_lsu_bus_intf #(.pt(pt)) bus_intf( + .lsu_addr_m(lsu_addr_m[31:0] & {32 {addr_external_m & lsu_pkt_m[0]}}), + .lsu_addr_r(lsu_addr_r[31:0] & {32 {lsu_busreq_r}}), + .end_addr_m(end_addr_m[31:0] & {32 {addr_external_m & lsu_pkt_m[0]}}), + .end_addr_r(end_addr_r[31:0] & {32 {lsu_busreq_r}}), + .store_data_r(store_data_r[31:0] & {32 {lsu_busreq_r}}), + .clk(clk), + .clk_override(clk_override), + .rst_l(rst_l), + .scan_mode(scan_mode), + .dec_tlu_external_ldfwd_disable(dec_tlu_external_ldfwd_disable), + .dec_tlu_wb_coalescing_disable(dec_tlu_wb_coalescing_disable), + .dec_tlu_sideeffect_posted_disable(dec_tlu_sideeffect_posted_disable), + .lsu_bus_obuf_c1_clken(lsu_bus_obuf_c1_clken), + .lsu_busm_clken(lsu_busm_clken), + .lsu_c1_r_clk(lsu_c1_r_clk), + .lsu_c2_r_clk(lsu_c2_r_clk), + .lsu_bus_ibuf_c1_clk(lsu_bus_ibuf_c1_clk), + .lsu_bus_obuf_c1_clk(lsu_bus_obuf_c1_clk), + .lsu_bus_buf_c1_clk(lsu_bus_buf_c1_clk), + .lsu_free_c2_clk(lsu_free_c2_clk), + .active_clk(active_clk), + .lsu_busm_clk(lsu_busm_clk), + .dec_lsu_valid_raw_d(dec_lsu_valid_raw_d), + .lsu_busreq_m(lsu_busreq_m), + .lsu_pkt_m(lsu_pkt_m), + .lsu_pkt_r(lsu_pkt_r), + .dec_tlu_force_halt(dec_tlu_force_halt), + .lsu_commit_r(lsu_commit_r), + .is_sideeffects_m(is_sideeffects_m), + .flush_m_up(flush_m_up), + .flush_r(flush_r), + .ldst_dual_d(ldst_dual_d), + .ldst_dual_m(ldst_dual_m), + .ldst_dual_r(ldst_dual_r), + .lsu_busreq_r(lsu_busreq_r), + .lsu_bus_buffer_pend_any(lsu_bus_buffer_pend_any), + .lsu_bus_buffer_full_any(lsu_bus_buffer_full_any), + .lsu_bus_buffer_empty_any(lsu_bus_buffer_empty_any), + .bus_read_data_m(bus_read_data_m), + .lsu_imprecise_error_load_any(lsu_imprecise_error_load_any), + .lsu_imprecise_error_store_any(lsu_imprecise_error_store_any), + .lsu_imprecise_error_addr_any(lsu_imprecise_error_addr_any), + .lsu_nonblock_load_valid_m(lsu_nonblock_load_valid_m), + .lsu_nonblock_load_tag_m(lsu_nonblock_load_tag_m), + .lsu_nonblock_load_inv_r(lsu_nonblock_load_inv_r), + .lsu_nonblock_load_inv_tag_r(lsu_nonblock_load_inv_tag_r), + .lsu_nonblock_load_data_valid(lsu_nonblock_load_data_valid), + .lsu_nonblock_load_data_error(lsu_nonblock_load_data_error), + .lsu_nonblock_load_data_tag(lsu_nonblock_load_data_tag), + .lsu_nonblock_load_data(lsu_nonblock_load_data), + .lsu_pmu_bus_trxn(lsu_pmu_bus_trxn), + .lsu_pmu_bus_misaligned(lsu_pmu_bus_misaligned), + .lsu_pmu_bus_error(lsu_pmu_bus_error), + .lsu_pmu_bus_busy(lsu_pmu_bus_busy), + .lsu_axi_awvalid(lsu_axi_awvalid), + .lsu_axi_awready(lsu_axi_awready), + .lsu_axi_awid(lsu_axi_awid), + .lsu_axi_awaddr(lsu_axi_awaddr), + .lsu_axi_awregion(lsu_axi_awregion), + .lsu_axi_awlen(lsu_axi_awlen), + .lsu_axi_awsize(lsu_axi_awsize), + .lsu_axi_awburst(lsu_axi_awburst), + .lsu_axi_awlock(lsu_axi_awlock), + .lsu_axi_awcache(lsu_axi_awcache), + .lsu_axi_awprot(lsu_axi_awprot), + .lsu_axi_awqos(lsu_axi_awqos), + .lsu_axi_wvalid(lsu_axi_wvalid), + .lsu_axi_wready(lsu_axi_wready), + .lsu_axi_wdata(lsu_axi_wdata), + .lsu_axi_wstrb(lsu_axi_wstrb), + .lsu_axi_wlast(lsu_axi_wlast), + .lsu_axi_bvalid(lsu_axi_bvalid), + .lsu_axi_bready(lsu_axi_bready), + .lsu_axi_bresp(lsu_axi_bresp), + .lsu_axi_bid(lsu_axi_bid), + .lsu_axi_arvalid(lsu_axi_arvalid), + .lsu_axi_arready(lsu_axi_arready), + .lsu_axi_arid(lsu_axi_arid), + .lsu_axi_araddr(lsu_axi_araddr), + .lsu_axi_arregion(lsu_axi_arregion), + .lsu_axi_arlen(lsu_axi_arlen), + .lsu_axi_arsize(lsu_axi_arsize), + .lsu_axi_arburst(lsu_axi_arburst), + .lsu_axi_arlock(lsu_axi_arlock), + .lsu_axi_arcache(lsu_axi_arcache), + .lsu_axi_arprot(lsu_axi_arprot), + .lsu_axi_arqos(lsu_axi_arqos), + .lsu_axi_rvalid(lsu_axi_rvalid), + .lsu_axi_rready(lsu_axi_rready), + .lsu_axi_rid(lsu_axi_rid), + .lsu_axi_rdata(lsu_axi_rdata), + .lsu_axi_rresp(lsu_axi_rresp), + .lsu_bus_clk_en(lsu_bus_clk_en) + ); + rvdff #(.WIDTH(3)) dma_mem_tag_mff( + .rst_l(rst_l), + .din(dma_mem_tag_d[2:0]), + .dout(dma_mem_tag_m[2:0]), + .clk(lsu_c1_m_clk) + ); + rvdff #(.WIDTH(2)) lsu_raw_fwd_r_ff( + .rst_l(rst_l), + .din({lsu_raw_fwd_hi_m, lsu_raw_fwd_lo_m}), + .dout({lsu_raw_fwd_hi_r, lsu_raw_fwd_lo_r}), + .clk(lsu_c2_r_clk) + ); +endmodule +module eb1_lsu_addrcheck ( + lsu_c2_m_clk, + rst_l, + start_addr_d, + end_addr_d, + lsu_pkt_d, + dec_tlu_mrac_ff, + rs1_region_d, + rs1_d, + is_sideeffects_m, + addr_in_dccm_d, + addr_in_pic_d, + addr_external_d, + access_fault_d, + misaligned_fault_d, + exc_mscause_d, + fir_dccm_access_error_d, + fir_nondccm_access_error_d, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire lsu_c2_m_clk; + input wire rst_l; + input wire [31:0] start_addr_d; + input wire [31:0] end_addr_d; + input wire [13:0] lsu_pkt_d; + input wire [31:0] dec_tlu_mrac_ff; + input wire [3:0] rs1_region_d; + input wire [31:0] rs1_d; + output wire is_sideeffects_m; + output wire addr_in_dccm_d; + output wire addr_in_pic_d; + output wire addr_external_d; + output wire access_fault_d; + output wire misaligned_fault_d; + output wire [3:0] exc_mscause_d; + output wire fir_dccm_access_error_d; + output wire fir_nondccm_access_error_d; + input wire scan_mode; + wire non_dccm_access_ok; + wire is_sideeffects_d; + wire is_aligned_d; + wire start_addr_in_dccm_d; + wire end_addr_in_dccm_d; + wire start_addr_in_dccm_region_d; + wire end_addr_in_dccm_region_d; + wire start_addr_in_pic_d; + wire end_addr_in_pic_d; + wire start_addr_in_pic_region_d; + wire end_addr_in_pic_region_d; + wire [4:0] csr_idx; + wire addr_in_iccm; + wire start_addr_dccm_or_pic; + wire base_reg_dccm_or_pic; + wire unmapped_access_fault_d; + wire mpu_access_fault_d; + wire picm_access_fault_d; + wire regpred_access_fault_d; + wire regcross_misaligned_fault_d; + wire sideeffect_misaligned_fault_d; + wire [3:0] access_fault_mscause_d; + wire [3:0] misaligned_fault_mscause_d; + generate + if (pt[1365-:5] == 1) begin : Gen_dccm_enable + rvrangecheck #( + .CCM_SADR(pt[1325-:36]), + .CCM_SIZE(pt[1289-:14]) + ) start_addr_dccm_rangecheck( + .addr(start_addr_d[31:0]), + .in_range(start_addr_in_dccm_d), + .in_region(start_addr_in_dccm_region_d) + ); + rvrangecheck #( + .CCM_SADR(pt[1325-:36]), + .CCM_SIZE(pt[1289-:14]) + ) end_addr_dccm_rangecheck( + .addr(end_addr_d[31:0]), + .in_range(end_addr_in_dccm_d), + .in_region(end_addr_in_dccm_region_d) + ); + end + else begin : Gen_dccm_disable + assign start_addr_in_dccm_d = 1'b0; + assign start_addr_in_dccm_region_d = 1'b0; + assign end_addr_in_dccm_d = 1'b0; + assign end_addr_in_dccm_region_d = 1'b0; + end + endgenerate + generate + if (pt[927-:5] == 1) begin : check_iccm + assign addr_in_iccm = start_addr_d[31:28] == pt[895-:8]; + end + else assign addr_in_iccm = 1'b0; + endgenerate + rvrangecheck #( + .CCM_SADR(pt[130-:36]), + .CCM_SIZE(pt[69-:13]) + ) start_addr_pic_rangecheck( + .addr(start_addr_d[31:0]), + .in_range(start_addr_in_pic_d), + .in_region(start_addr_in_pic_region_d) + ); + rvrangecheck #( + .CCM_SADR(pt[130-:36]), + .CCM_SIZE(pt[69-:13]) + ) end_addr_pic_rangecheck( + .addr(end_addr_d[31:0]), + .in_range(end_addr_in_pic_d), + .in_region(end_addr_in_pic_region_d) + ); + assign start_addr_dccm_or_pic = start_addr_in_dccm_region_d | start_addr_in_pic_region_d; + assign base_reg_dccm_or_pic = ((rs1_region_d[3:0] == pt[1333-:8]) & pt[1365-:5]) | (rs1_region_d[3:0] == pt[77-:8]); + assign addr_in_dccm_d = start_addr_in_dccm_d & end_addr_in_dccm_d; + assign addr_in_pic_d = start_addr_in_pic_d & end_addr_in_pic_d; + assign addr_external_d = ~(start_addr_in_dccm_region_d | start_addr_in_pic_region_d); + assign csr_idx[4:0] = {start_addr_d[31:28], 1'b1}; + assign is_sideeffects_d = ((dec_tlu_mrac_ff[csr_idx] & ~((start_addr_in_dccm_region_d | start_addr_in_pic_region_d) | addr_in_iccm)) & lsu_pkt_d[0]) & (lsu_pkt_d[6] | lsu_pkt_d[7]); + assign is_aligned_d = ((lsu_pkt_d[9] & (start_addr_d[1:0] == 2'b00)) | (lsu_pkt_d[10] & (start_addr_d[0] == 1'b0))) | lsu_pkt_d[11]; + assign non_dccm_access_ok = ~(|{pt[1733-:5], pt[1728-:5], pt[1723-:5], pt[1718-:5], pt[1713-:5], pt[1708-:5], pt[1703-:5], pt[1698-:5]}) | (((((((((pt[1733-:5] & ((start_addr_d[31:0] | pt[1693-:36]) == (pt[2021-:36] | pt[1693-:36]))) | (pt[1728-:5] & ((start_addr_d[31:0] | pt[1657-:36]) == (pt[1985-:36] | pt[1657-:36])))) | (pt[1723-:5] & ((start_addr_d[31:0] | pt[1621-:36]) == (pt[1949-:36] | pt[1621-:36])))) | (pt[1718-:5] & ((start_addr_d[31:0] | pt[1585-:36]) == (pt[1913-:36] | pt[1585-:36])))) | (pt[1713-:5] & ((start_addr_d[31:0] | pt[1549-:36]) == (pt[1877-:36] | pt[1549-:36])))) | (pt[1708-:5] & ((start_addr_d[31:0] | pt[1513-:36]) == (pt[1841-:36] | pt[1513-:36])))) | (pt[1703-:5] & ((start_addr_d[31:0] | pt[1477-:36]) == (pt[1805-:36] | pt[1477-:36])))) | (pt[1698-:5] & ((start_addr_d[31:0] | pt[1441-:36]) == (pt[1769-:36] | pt[1441-:36])))) & ((((((((pt[1733-:5] & ((end_addr_d[31:0] | pt[1693-:36]) == (pt[2021-:36] | pt[1693-:36]))) | (pt[1728-:5] & ((end_addr_d[31:0] | pt[1657-:36]) == (pt[1985-:36] | pt[1657-:36])))) | (pt[1723-:5] & ((end_addr_d[31:0] | pt[1621-:36]) == (pt[1949-:36] | pt[1621-:36])))) | (pt[1718-:5] & ((end_addr_d[31:0] | pt[1585-:36]) == (pt[1913-:36] | pt[1585-:36])))) | (pt[1713-:5] & ((end_addr_d[31:0] | pt[1549-:36]) == (pt[1877-:36] | pt[1549-:36])))) | (pt[1708-:5] & ((end_addr_d[31:0] | pt[1513-:36]) == (pt[1841-:36] | pt[1513-:36])))) | (pt[1703-:5] & ((end_addr_d[31:0] | pt[1477-:36]) == (pt[1805-:36] | pt[1477-:36])))) | (pt[1698-:5] & ((end_addr_d[31:0] | pt[1441-:36]) == (pt[1769-:36] | pt[1441-:36]))))); + assign regpred_access_fault_d = start_addr_dccm_or_pic ^ base_reg_dccm_or_pic; + assign picm_access_fault_d = addr_in_pic_d & ((start_addr_d[1:0] != 2'b00) | ~lsu_pkt_d[9]); + generate + if (pt[1365-:5] & (pt[1333-:8] == pt[77-:8])) begin + assign unmapped_access_fault_d = (((start_addr_in_dccm_region_d & ~(start_addr_in_dccm_d | start_addr_in_pic_d)) | (end_addr_in_dccm_region_d & ~(end_addr_in_dccm_d | end_addr_in_pic_d))) | (start_addr_in_dccm_d & end_addr_in_pic_d)) | (start_addr_in_pic_d & end_addr_in_dccm_d); + assign mpu_access_fault_d = ~start_addr_in_dccm_region_d & ~non_dccm_access_ok; + end + else begin + assign unmapped_access_fault_d = (((start_addr_in_dccm_region_d & ~start_addr_in_dccm_d) | (end_addr_in_dccm_region_d & ~end_addr_in_dccm_d)) | (start_addr_in_pic_region_d & ~start_addr_in_pic_d)) | (end_addr_in_pic_region_d & ~end_addr_in_pic_d); + assign mpu_access_fault_d = (~start_addr_in_pic_region_d & ~start_addr_in_dccm_region_d) & ~non_dccm_access_ok; + end + endgenerate + assign access_fault_d = ((((unmapped_access_fault_d | mpu_access_fault_d) | picm_access_fault_d) | regpred_access_fault_d) & lsu_pkt_d[0]) & ~lsu_pkt_d[4]; + assign access_fault_mscause_d[3:0] = (unmapped_access_fault_d ? 4'h2 : (mpu_access_fault_d ? 4'h3 : (regpred_access_fault_d ? 4'h5 : (picm_access_fault_d ? 4'h6 : 4'h0)))); + assign regcross_misaligned_fault_d = start_addr_d[31:28] != end_addr_d[31:28]; + assign sideeffect_misaligned_fault_d = is_sideeffects_d & ~is_aligned_d; + assign misaligned_fault_d = ((regcross_misaligned_fault_d | (sideeffect_misaligned_fault_d & addr_external_d)) & lsu_pkt_d[0]) & ~lsu_pkt_d[4]; + assign misaligned_fault_mscause_d[3:0] = (regcross_misaligned_fault_d ? 4'h2 : (sideeffect_misaligned_fault_d ? 4'h1 : 4'h0)); + assign exc_mscause_d[3:0] = (misaligned_fault_d ? misaligned_fault_mscause_d[3:0] : access_fault_mscause_d[3:0]); + assign fir_dccm_access_error_d = (((start_addr_in_dccm_region_d & ~start_addr_in_dccm_d) | (end_addr_in_dccm_region_d & ~end_addr_in_dccm_d)) & lsu_pkt_d[0]) & lsu_pkt_d[13]; + assign fir_nondccm_access_error_d = (~(start_addr_in_dccm_region_d & end_addr_in_dccm_region_d) & lsu_pkt_d[0]) & lsu_pkt_d[13]; + rvdff #(.WIDTH(1)) is_sideeffects_mff( + .din(is_sideeffects_d), + .dout(is_sideeffects_m), + .clk(lsu_c2_m_clk), + .rst_l(rst_l) + ); +endmodule +module eb1_lsu_bus_buffer ( + clk, + clk_override, + rst_l, + scan_mode, + dec_tlu_external_ldfwd_disable, + dec_tlu_wb_coalescing_disable, + dec_tlu_sideeffect_posted_disable, + dec_tlu_force_halt, + lsu_bus_obuf_c1_clken, + lsu_busm_clken, + lsu_c2_r_clk, + lsu_bus_ibuf_c1_clk, + lsu_bus_obuf_c1_clk, + lsu_bus_buf_c1_clk, + lsu_free_c2_clk, + lsu_busm_clk, + dec_lsu_valid_raw_d, + lsu_pkt_m, + lsu_pkt_r, + lsu_addr_m, + end_addr_m, + lsu_addr_r, + end_addr_r, + store_data_r, + no_word_merge_r, + no_dword_merge_r, + lsu_busreq_m, + lsu_busreq_r, + ld_full_hit_m, + flush_m_up, + flush_r, + lsu_commit_r, + is_sideeffects_r, + ldst_dual_d, + ldst_dual_m, + ldst_dual_r, + ldst_byteen_ext_m, + lsu_bus_buffer_pend_any, + lsu_bus_buffer_full_any, + lsu_bus_buffer_empty_any, + ld_byte_hit_buf_lo, + ld_byte_hit_buf_hi, + ld_fwddata_buf_lo, + ld_fwddata_buf_hi, + lsu_imprecise_error_load_any, + lsu_imprecise_error_store_any, + lsu_imprecise_error_addr_any, + lsu_nonblock_load_valid_m, + lsu_nonblock_load_tag_m, + lsu_nonblock_load_inv_r, + lsu_nonblock_load_inv_tag_r, + lsu_nonblock_load_data_valid, + lsu_nonblock_load_data_error, + lsu_nonblock_load_data_tag, + lsu_nonblock_load_data, + lsu_pmu_bus_trxn, + lsu_pmu_bus_misaligned, + lsu_pmu_bus_error, + lsu_pmu_bus_busy, + lsu_axi_awvalid, + lsu_axi_awready, + lsu_axi_awid, + lsu_axi_awaddr, + lsu_axi_awregion, + lsu_axi_awlen, + lsu_axi_awsize, + lsu_axi_awburst, + lsu_axi_awlock, + lsu_axi_awcache, + lsu_axi_awprot, + lsu_axi_awqos, + lsu_axi_wvalid, + lsu_axi_wready, + lsu_axi_wdata, + lsu_axi_wstrb, + lsu_axi_wlast, + lsu_axi_bvalid, + lsu_axi_bready, + lsu_axi_bresp, + lsu_axi_bid, + lsu_axi_arvalid, + lsu_axi_arready, + lsu_axi_arid, + lsu_axi_araddr, + lsu_axi_arregion, + lsu_axi_arlen, + lsu_axi_arsize, + lsu_axi_arburst, + lsu_axi_arlock, + lsu_axi_arcache, + lsu_axi_arprot, + lsu_axi_arqos, + lsu_axi_rvalid, + lsu_axi_rready, + lsu_axi_rid, + lsu_axi_rdata, + lsu_axi_rresp, + lsu_bus_clk_en, + lsu_bus_clk_en_q +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire clk_override; + input wire rst_l; + input wire scan_mode; + input wire dec_tlu_external_ldfwd_disable; + input wire dec_tlu_wb_coalescing_disable; + input wire dec_tlu_sideeffect_posted_disable; + input wire dec_tlu_force_halt; + input wire lsu_bus_obuf_c1_clken; + input wire lsu_busm_clken; + input wire lsu_c2_r_clk; + input wire lsu_bus_ibuf_c1_clk; + input wire lsu_bus_obuf_c1_clk; + input wire lsu_bus_buf_c1_clk; + input wire lsu_free_c2_clk; + input wire lsu_busm_clk; + input wire dec_lsu_valid_raw_d; + input wire [13:0] lsu_pkt_m; + input wire [13:0] lsu_pkt_r; + input wire [31:0] lsu_addr_m; + input wire [31:0] end_addr_m; + input wire [31:0] lsu_addr_r; + input wire [31:0] end_addr_r; + input wire [31:0] store_data_r; + input wire no_word_merge_r; + input wire no_dword_merge_r; + input wire lsu_busreq_m; + output wire lsu_busreq_r; + input wire ld_full_hit_m; + input wire flush_m_up; + input wire flush_r; + input wire lsu_commit_r; + input wire is_sideeffects_r; + input wire ldst_dual_d; + input wire ldst_dual_m; + input wire ldst_dual_r; + input wire [7:0] ldst_byteen_ext_m; + output wire lsu_bus_buffer_pend_any; + output wire lsu_bus_buffer_full_any; + output wire lsu_bus_buffer_empty_any; + output wire [3:0] ld_byte_hit_buf_lo; + output wire [3:0] ld_byte_hit_buf_hi; + output reg [31:0] ld_fwddata_buf_lo; + output reg [31:0] ld_fwddata_buf_hi; + output wire lsu_imprecise_error_load_any; + output reg lsu_imprecise_error_store_any; + output wire [31:0] lsu_imprecise_error_addr_any; + output wire lsu_nonblock_load_valid_m; + output wire [pt[164-:7] - 1:0] lsu_nonblock_load_tag_m; + output wire lsu_nonblock_load_inv_r; + output wire [pt[164-:7] - 1:0] lsu_nonblock_load_inv_tag_r; + output wire lsu_nonblock_load_data_valid; + output reg lsu_nonblock_load_data_error; + output reg [pt[164-:7] - 1:0] lsu_nonblock_load_data_tag; + output wire [31:0] lsu_nonblock_load_data; + output wire lsu_pmu_bus_trxn; + output wire lsu_pmu_bus_misaligned; + output wire lsu_pmu_bus_error; + output wire lsu_pmu_bus_busy; + output wire lsu_axi_awvalid; + input wire lsu_axi_awready; + output wire [pt[181-:8] - 1:0] lsu_axi_awid; + output wire [31:0] lsu_axi_awaddr; + output wire [3:0] lsu_axi_awregion; + output wire [7:0] lsu_axi_awlen; + output wire [2:0] lsu_axi_awsize; + output wire [1:0] lsu_axi_awburst; + output wire lsu_axi_awlock; + output wire [3:0] lsu_axi_awcache; + output wire [2:0] lsu_axi_awprot; + output wire [3:0] lsu_axi_awqos; + output wire lsu_axi_wvalid; + input wire lsu_axi_wready; + output wire [63:0] lsu_axi_wdata; + output wire [7:0] lsu_axi_wstrb; + output wire lsu_axi_wlast; + input wire lsu_axi_bvalid; + output wire lsu_axi_bready; + input wire [1:0] lsu_axi_bresp; + input wire [pt[181-:8] - 1:0] lsu_axi_bid; + output wire lsu_axi_arvalid; + input wire lsu_axi_arready; + output wire [pt[181-:8] - 1:0] lsu_axi_arid; + output wire [31:0] lsu_axi_araddr; + output wire [3:0] lsu_axi_arregion; + output wire [7:0] lsu_axi_arlen; + output wire [2:0] lsu_axi_arsize; + output wire [1:0] lsu_axi_arburst; + output wire lsu_axi_arlock; + output wire [3:0] lsu_axi_arcache; + output wire [2:0] lsu_axi_arprot; + output wire [3:0] lsu_axi_arqos; + input wire lsu_axi_rvalid; + output wire lsu_axi_rready; + input wire [pt[181-:8] - 1:0] lsu_axi_rid; + input wire [63:0] lsu_axi_rdata; + input wire [1:0] lsu_axi_rresp; + input wire lsu_bus_clk_en; + input wire lsu_bus_clk_en_q; + localparam DEPTH = pt[173-:9]; + localparam DEPTH_LOG2 = pt[164-:7]; + localparam TIMER = 8; + localparam TIMER_MAX = 7; + localparam TIMER_LOG2 = 3; + wire [3:0] ldst_byteen_hi_m; + wire [3:0] ldst_byteen_lo_m; + wire [DEPTH - 1:0] ld_addr_hitvec_lo; + wire [DEPTH - 1:0] ld_addr_hitvec_hi; + wire [(4 * DEPTH) - 1:0] ld_byte_hitvec_lo; + wire [(4 * DEPTH) - 1:0] ld_byte_hitvec_hi; + wire [(4 * DEPTH) - 1:0] ld_byte_hitvecfn_lo; + wire [(4 * DEPTH) - 1:0] ld_byte_hitvecfn_hi; + wire ld_addr_ibuf_hit_lo; + wire ld_addr_ibuf_hit_hi; + wire [3:0] ld_byte_ibuf_hit_lo; + wire [3:0] ld_byte_ibuf_hit_hi; + wire [3:0] ldst_byteen_r; + wire [3:0] ldst_byteen_hi_r; + wire [3:0] ldst_byteen_lo_r; + wire [31:0] store_data_hi_r; + wire [31:0] store_data_lo_r; + wire is_aligned_r; + wire ldst_samedw_r; + wire lsu_nonblock_load_valid_r; + reg [31:0] lsu_nonblock_load_data_hi; + reg [31:0] lsu_nonblock_load_data_lo; + wire [31:0] lsu_nonblock_data_unalgn; + wire [1:0] lsu_nonblock_addr_offset; + wire [1:0] lsu_nonblock_sz; + wire lsu_nonblock_unsign; + reg lsu_nonblock_load_data_ready; + wire [DEPTH - 1:0] CmdPtr0Dec; + wire [DEPTH - 1:0] CmdPtr1Dec; + wire [DEPTH - 1:0] RspPtrDec; + wire [DEPTH_LOG2 - 1:0] CmdPtr0; + wire [DEPTH_LOG2 - 1:0] CmdPtr1; + wire [DEPTH_LOG2 - 1:0] RspPtr; + reg [DEPTH_LOG2 - 1:0] WrPtr0_m; + wire [DEPTH_LOG2 - 1:0] WrPtr0_r; + reg [DEPTH_LOG2 - 1:0] WrPtr1_m; + wire [DEPTH_LOG2 - 1:0] WrPtr1_r; + reg found_wrptr0; + reg found_wrptr1; + wire found_cmdptr0; + wire found_cmdptr1; + reg [3:0] buf_numvld_any; + reg [3:0] buf_numvld_wrcmd_any; + reg [3:0] buf_numvld_cmd_any; + reg [3:0] buf_numvld_pend_any; + reg any_done_wait_state; + reg bus_sideeffect_pend; + wire bus_coalescing_disable; + reg bus_addr_match_pending; + wire bus_cmd_sent; + wire bus_cmd_ready; + wire bus_wcmd_sent; + wire bus_wdata_sent; + wire bus_rsp_read; + wire bus_rsp_write; + wire [pt[181-:8] - 1:0] bus_rsp_read_tag; + wire [pt[181-:8] - 1:0] bus_rsp_write_tag; + wire bus_rsp_read_error; + wire bus_rsp_write_error; + wire [63:0] bus_rsp_rdata; + wire [(DEPTH * 3) - 1:0] buf_state; + wire [(DEPTH * 2) - 1:0] buf_sz; + wire [(DEPTH * 32) - 1:0] buf_addr; + wire [(DEPTH * 4) - 1:0] buf_byteen; + wire [DEPTH - 1:0] buf_sideeffect; + wire [DEPTH - 1:0] buf_write; + wire [DEPTH - 1:0] buf_unsign; + wire [DEPTH - 1:0] buf_dual; + wire [DEPTH - 1:0] buf_samedw; + wire [DEPTH - 1:0] buf_nomerge; + wire [DEPTH - 1:0] buf_dualhi; + wire [(DEPTH * DEPTH_LOG2) - 1:0] buf_dualtag; + wire [DEPTH - 1:0] buf_ldfwd; + wire [(DEPTH * DEPTH_LOG2) - 1:0] buf_ldfwdtag; + wire [DEPTH - 1:0] buf_error; + wire [(DEPTH * 32) - 1:0] buf_data; + wire [(DEPTH * DEPTH) - 1:0] buf_age; + wire [(DEPTH * DEPTH) - 1:0] buf_age_younger; + wire [(DEPTH * DEPTH) - 1:0] buf_rspage; + wire [(DEPTH * DEPTH) - 1:0] buf_rsp_pickage; + reg [(DEPTH * 3) - 1:0] buf_nxtstate; + reg [DEPTH - 1:0] buf_rst; + reg [DEPTH - 1:0] buf_state_en; + reg [DEPTH - 1:0] buf_cmd_state_bus_en; + reg [DEPTH - 1:0] buf_resp_state_bus_en; + reg [DEPTH - 1:0] buf_state_bus_en; + wire [DEPTH - 1:0] buf_dual_in; + wire [DEPTH - 1:0] buf_samedw_in; + wire [DEPTH - 1:0] buf_nomerge_in; + wire [DEPTH - 1:0] buf_sideeffect_in; + wire [DEPTH - 1:0] buf_unsign_in; + wire [(DEPTH * 2) - 1:0] buf_sz_in; + wire [DEPTH - 1:0] buf_write_in; + reg [DEPTH - 1:0] buf_wr_en; + wire [DEPTH - 1:0] buf_dualhi_in; + wire [(DEPTH * DEPTH_LOG2) - 1:0] buf_dualtag_in; + reg [DEPTH - 1:0] buf_ldfwd_en; + reg [DEPTH - 1:0] buf_ldfwd_in; + reg [(DEPTH * DEPTH_LOG2) - 1:0] buf_ldfwdtag_in; + wire [(DEPTH * 4) - 1:0] buf_byteen_in; + wire [(DEPTH * 32) - 1:0] buf_addr_in; + reg [(DEPTH * 32) - 1:0] buf_data_in; + reg [DEPTH - 1:0] buf_error_en; + reg [DEPTH - 1:0] buf_data_en; + wire [(DEPTH * DEPTH) - 1:0] buf_age_in; + wire [(DEPTH * DEPTH) - 1:0] buf_ageQ; + wire [(DEPTH * DEPTH) - 1:0] buf_rspage_set; + wire [(DEPTH * DEPTH) - 1:0] buf_rspage_in; + wire [(DEPTH * DEPTH) - 1:0] buf_rspageQ; + wire ibuf_valid; + wire ibuf_dual; + wire ibuf_samedw; + wire ibuf_nomerge; + wire [DEPTH_LOG2 - 1:0] ibuf_tag; + wire [DEPTH_LOG2 - 1:0] ibuf_dualtag; + wire ibuf_sideeffect; + wire ibuf_unsign; + wire ibuf_write; + wire [1:0] ibuf_sz; + wire [3:0] ibuf_byteen; + wire [31:0] ibuf_addr; + wire [31:0] ibuf_data; + wire [2:0] ibuf_timer; + wire ibuf_byp; + wire ibuf_wr_en; + wire ibuf_rst; + wire ibuf_force_drain; + wire ibuf_drain_vld; + wire [DEPTH - 1:0] ibuf_drainvec_vld; + wire [DEPTH_LOG2 - 1:0] ibuf_tag_in; + wire [DEPTH_LOG2 - 1:0] ibuf_dualtag_in; + wire [1:0] ibuf_sz_in; + wire [31:0] ibuf_addr_in; + wire [3:0] ibuf_byteen_in; + wire [31:0] ibuf_data_in; + wire [2:0] ibuf_timer_in; + wire [3:0] ibuf_byteen_out; + wire [31:0] ibuf_data_out; + wire ibuf_merge_en; + wire ibuf_merge_in; + wire obuf_valid; + wire obuf_write; + wire obuf_nosend; + wire obuf_rdrsp_pend; + wire obuf_sideeffect; + wire [31:0] obuf_addr; + wire [63:0] obuf_data; + wire [1:0] obuf_sz; + wire [7:0] obuf_byteen; + wire obuf_merge; + wire obuf_cmd_done; + wire obuf_data_done; + wire [pt[181-:8] - 1:0] obuf_tag0; + wire [pt[181-:8] - 1:0] obuf_tag1; + wire [pt[181-:8] - 1:0] obuf_rdrsp_tag; + wire ibuf_buf_byp; + wire obuf_force_wr_en; + wire obuf_wr_wait; + wire obuf_wr_en; + wire obuf_wr_enQ; + wire obuf_rst; + wire obuf_write_in; + wire obuf_nosend_in; + wire obuf_rdrsp_pend_en; + wire obuf_rdrsp_pend_in; + wire obuf_sideeffect_in; + wire obuf_aligned_in; + wire [31:0] obuf_addr_in; + wire [63:0] obuf_data_in; + wire [1:0] obuf_sz_in; + wire [7:0] obuf_byteen_in; + wire obuf_merge_in; + wire obuf_cmd_done_in; + wire obuf_data_done_in; + wire [pt[181-:8] - 1:0] obuf_tag0_in; + wire [pt[181-:8] - 1:0] obuf_tag1_in; + wire [pt[181-:8] - 1:0] obuf_rdrsp_tag_in; + wire obuf_merge_en; + wire [2:0] obuf_wr_timer; + wire [2:0] obuf_wr_timer_in; + wire [7:0] obuf_byteen0_in; + wire [7:0] obuf_byteen1_in; + wire [63:0] obuf_data0_in; + wire [63:0] obuf_data1_in; + wire lsu_axi_awvalid_q; + wire lsu_axi_awready_q; + wire lsu_axi_wvalid_q; + wire lsu_axi_wready_q; + wire lsu_axi_arvalid_q; + wire lsu_axi_arready_q; + wire lsu_axi_bvalid_q; + wire lsu_axi_bready_q; + wire lsu_axi_rvalid_q; + wire lsu_axi_rready_q; + wire [pt[181-:8] - 1:0] lsu_axi_bid_q; + wire [pt[181-:8] - 1:0] lsu_axi_rid_q; + wire [1:0] lsu_axi_bresp_q; + wire [1:0] lsu_axi_rresp_q; + reg [pt[181-:8] - 1:0] lsu_imprecise_error_store_tag; + wire [63:0] lsu_axi_rdata_q; + function automatic [2:0] f_Enc8to3; + input reg [7:0] Dec_value; + reg [2:0] Enc_value; + begin + Enc_value[0] = ((Dec_value[1] | Dec_value[3]) | Dec_value[5]) | Dec_value[7]; + Enc_value[1] = ((Dec_value[2] | Dec_value[3]) | Dec_value[6]) | Dec_value[7]; + Enc_value[2] = ((Dec_value[4] | Dec_value[5]) | Dec_value[6]) | Dec_value[7]; + f_Enc8to3 = Enc_value[2:0]; + end + endfunction + assign ldst_byteen_hi_m[3:0] = ldst_byteen_ext_m[7:4]; + assign ldst_byteen_lo_m[3:0] = ldst_byteen_ext_m[3:0]; + localparam [2:0] IDLE = 3'b000; + generate + genvar i; + for (i = 0; i < DEPTH; i = i + 1) begin + assign ld_addr_hitvec_lo[i] = (((lsu_addr_m[31:2] == buf_addr[(i * 32) + 31-:30]) & buf_write[i]) & (buf_state[i * 3+:3] != IDLE)) & lsu_busreq_m; + assign ld_addr_hitvec_hi[i] = (((end_addr_m[31:2] == buf_addr[(i * 32) + 31-:30]) & buf_write[i]) & (buf_state[i * 3+:3] != IDLE)) & lsu_busreq_m; + end + endgenerate + generate + genvar j; + for (j = 0; j < 4; j = j + 1) begin + assign ld_byte_hit_buf_lo[j] = |ld_byte_hitvecfn_lo[j * DEPTH+:DEPTH] | ld_byte_ibuf_hit_lo[j]; + assign ld_byte_hit_buf_hi[j] = |ld_byte_hitvecfn_hi[j * DEPTH+:DEPTH] | ld_byte_ibuf_hit_hi[j]; + for (i = 0; i < DEPTH; i = i + 1) begin + assign ld_byte_hitvec_lo[(j * DEPTH) + i] = (ld_addr_hitvec_lo[i] & buf_byteen[(i * 4) + j]) & ldst_byteen_lo_m[j]; + assign ld_byte_hitvec_hi[(j * DEPTH) + i] = (ld_addr_hitvec_hi[i] & buf_byteen[(i * 4) + j]) & ldst_byteen_hi_m[j]; + assign ld_byte_hitvecfn_lo[(j * DEPTH) + i] = (ld_byte_hitvec_lo[(j * DEPTH) + i] & ~(|(ld_byte_hitvec_lo[j * DEPTH+:DEPTH] & buf_age_younger[i * DEPTH+:DEPTH]))) & ~ld_byte_ibuf_hit_lo[j]; + assign ld_byte_hitvecfn_hi[(j * DEPTH) + i] = (ld_byte_hitvec_hi[(j * DEPTH) + i] & ~(|(ld_byte_hitvec_hi[j * DEPTH+:DEPTH] & buf_age_younger[i * DEPTH+:DEPTH]))) & ~ld_byte_ibuf_hit_hi[j]; + end + end + endgenerate + assign ld_addr_ibuf_hit_lo = (((lsu_addr_m[31:2] == ibuf_addr[31:2]) & ibuf_write) & ibuf_valid) & lsu_busreq_m; + assign ld_addr_ibuf_hit_hi = (((end_addr_m[31:2] == ibuf_addr[31:2]) & ibuf_write) & ibuf_valid) & lsu_busreq_m; + generate + for (i = 0; i < 4; i = i + 1) begin + assign ld_byte_ibuf_hit_lo[i] = (ld_addr_ibuf_hit_lo & ibuf_byteen[i]) & ldst_byteen_lo_m[i]; + assign ld_byte_ibuf_hit_hi[i] = (ld_addr_ibuf_hit_hi & ibuf_byteen[i]) & ldst_byteen_hi_m[i]; + end + endgenerate + always @(*) begin + ld_fwddata_buf_lo[31:0] = {{8 {ld_byte_ibuf_hit_lo[3]}}, {8 {ld_byte_ibuf_hit_lo[2]}}, {8 {ld_byte_ibuf_hit_lo[1]}}, {8 {ld_byte_ibuf_hit_lo[0]}}} & ibuf_data[31:0]; + ld_fwddata_buf_hi[31:0] = {{8 {ld_byte_ibuf_hit_hi[3]}}, {8 {ld_byte_ibuf_hit_hi[2]}}, {8 {ld_byte_ibuf_hit_hi[1]}}, {8 {ld_byte_ibuf_hit_hi[0]}}} & ibuf_data[31:0]; + begin : sv2v_autoblock_50 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + begin + ld_fwddata_buf_lo[7:0] = ld_fwddata_buf_lo[7:0] | ({8 {ld_byte_hitvecfn_lo[i]}} & buf_data[(i * 32) + 7-:8]); + ld_fwddata_buf_lo[15:8] = ld_fwddata_buf_lo[15:8] | ({8 {ld_byte_hitvecfn_lo[DEPTH + i]}} & buf_data[(i * 32) + 15-:8]); + ld_fwddata_buf_lo[23:16] = ld_fwddata_buf_lo[23:16] | ({8 {ld_byte_hitvecfn_lo[(2 * DEPTH) + i]}} & buf_data[(i * 32) + 23-:8]); + ld_fwddata_buf_lo[31:24] = ld_fwddata_buf_lo[31:24] | ({8 {ld_byte_hitvecfn_lo[(3 * DEPTH) + i]}} & buf_data[(i * 32) + 31-:8]); + ld_fwddata_buf_hi[7:0] = ld_fwddata_buf_hi[7:0] | ({8 {ld_byte_hitvecfn_hi[i]}} & buf_data[(i * 32) + 7-:8]); + ld_fwddata_buf_hi[15:8] = ld_fwddata_buf_hi[15:8] | ({8 {ld_byte_hitvecfn_hi[DEPTH + i]}} & buf_data[(i * 32) + 15-:8]); + ld_fwddata_buf_hi[23:16] = ld_fwddata_buf_hi[23:16] | ({8 {ld_byte_hitvecfn_hi[(2 * DEPTH) + i]}} & buf_data[(i * 32) + 23-:8]); + ld_fwddata_buf_hi[31:24] = ld_fwddata_buf_hi[31:24] | ({8 {ld_byte_hitvecfn_hi[(3 * DEPTH) + i]}} & buf_data[(i * 32) + 31-:8]); + end + end + end + assign bus_coalescing_disable = dec_tlu_wb_coalescing_disable | pt[2038]; + assign ldst_byteen_r[3:0] = (({4 {lsu_pkt_r[11]}} & 4'b0001) | ({4 {lsu_pkt_r[10]}} & 4'b0011)) | ({4 {lsu_pkt_r[9]}} & 4'b1111); + assign {ldst_byteen_hi_r[3:0], ldst_byteen_lo_r[3:0]} = {4'b0000, ldst_byteen_r[3:0]} << lsu_addr_r[1:0]; + assign {store_data_hi_r[31:0], store_data_lo_r[31:0]} = {32'b00000000000000000000000000000000, store_data_r[31:0]} << (8 * lsu_addr_r[1:0]); + assign ldst_samedw_r = lsu_addr_r[3] == end_addr_r[3]; + assign is_aligned_r = ((lsu_pkt_r[9] & (lsu_addr_r[1:0] == 2'b00)) | (lsu_pkt_r[10] & (lsu_addr_r[0] == 1'b0))) | lsu_pkt_r[11]; + assign ibuf_byp = (lsu_busreq_r & (lsu_pkt_r[7] | no_word_merge_r)) & ~ibuf_valid; + assign ibuf_wr_en = (lsu_busreq_r & lsu_commit_r) & ~ibuf_byp; + assign ibuf_rst = (ibuf_drain_vld & ~ibuf_wr_en) | dec_tlu_force_halt; + assign ibuf_force_drain = ((lsu_busreq_m & ~lsu_busreq_r) & ibuf_valid) & (lsu_pkt_m[7] | (ibuf_addr[31:2] != lsu_addr_m[31:2])); + assign ibuf_drain_vld = ibuf_valid & (((((((ibuf_wr_en | (ibuf_timer == TIMER_MAX)) & ~(ibuf_merge_en & ibuf_merge_in)) | ibuf_byp) | ibuf_force_drain) | ibuf_sideeffect) | ~ibuf_write) | bus_coalescing_disable); + assign ibuf_tag_in[DEPTH_LOG2 - 1:0] = (ibuf_merge_en & ibuf_merge_in ? ibuf_tag[DEPTH_LOG2 - 1:0] : (ldst_dual_r ? WrPtr1_r : WrPtr0_r)); + assign ibuf_dualtag_in[DEPTH_LOG2 - 1:0] = WrPtr0_r; + assign ibuf_sz_in[1:0] = {lsu_pkt_r[9], lsu_pkt_r[10]}; + assign ibuf_addr_in[31:0] = (ldst_dual_r ? end_addr_r[31:0] : lsu_addr_r[31:0]); + assign ibuf_byteen_in[3:0] = (ibuf_merge_en & ibuf_merge_in ? ibuf_byteen[3:0] | ldst_byteen_lo_r[3:0] : (ldst_dual_r ? ldst_byteen_hi_r[3:0] : ldst_byteen_lo_r[3:0])); + generate + for (i = 0; i < 4; i = i + 1) assign ibuf_data_in[(8 * i) + 7:8 * i] = (ibuf_merge_en & ibuf_merge_in ? (ldst_byteen_lo_r[i] ? store_data_lo_r[(8 * i) + 7:8 * i] : ibuf_data[(8 * i) + 7:8 * i]) : (ldst_dual_r ? store_data_hi_r[(8 * i) + 7:8 * i] : store_data_lo_r[(8 * i) + 7:8 * i])); + endgenerate + assign ibuf_timer_in = (ibuf_wr_en ? {3 {1'sb0}} : (ibuf_timer < TIMER_MAX ? ibuf_timer + 1'b1 : ibuf_timer)); + assign ibuf_merge_en = ((((((lsu_busreq_r & lsu_commit_r) & lsu_pkt_r[6]) & ibuf_valid) & ibuf_write) & (lsu_addr_r[31:2] == ibuf_addr[31:2])) & ~is_sideeffects_r) & ~bus_coalescing_disable; + assign ibuf_merge_in = ~ldst_dual_r; + generate + for (i = 0; i < 4; i = i + 1) begin + assign ibuf_byteen_out[i] = (ibuf_merge_en & ~ibuf_merge_in ? ibuf_byteen[i] | ldst_byteen_lo_r[i] : ibuf_byteen[i]); + assign ibuf_data_out[(8 * i) + 7:8 * i] = (ibuf_merge_en & ~ibuf_merge_in ? (ldst_byteen_lo_r[i] ? store_data_lo_r[(8 * i) + 7:8 * i] : ibuf_data[(8 * i) + 7:8 * i]) : ibuf_data[(8 * i) + 7:8 * i]); + end + endgenerate + rvdffsc #(.WIDTH(1)) ibuf_valid_ff( + .din(1'b1), + .dout(ibuf_valid), + .en(ibuf_wr_en), + .clear(ibuf_rst), + .clk(lsu_free_c2_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(DEPTH_LOG2)) ibuf_tagff( + .din(ibuf_tag_in), + .dout(ibuf_tag), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(DEPTH_LOG2)) ibuf_dualtagff( + .din(ibuf_dualtag_in), + .dout(ibuf_dualtag), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) ibuf_dualff( + .din(ldst_dual_r), + .dout(ibuf_dual), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) ibuf_samedwff( + .din(ldst_samedw_r), + .dout(ibuf_samedw), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) ibuf_nomergeff( + .din(no_dword_merge_r), + .dout(ibuf_nomerge), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) ibuf_sideeffectff( + .din(is_sideeffects_r), + .dout(ibuf_sideeffect), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) ibuf_unsignff( + .din(lsu_pkt_r[5]), + .dout(ibuf_unsign), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) ibuf_writeff( + .din(lsu_pkt_r[6]), + .dout(ibuf_write), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(2)) ibuf_szff( + .din(ibuf_sz_in[1:0]), + .dout(ibuf_sz), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) ibuf_addrff( + .din(ibuf_addr_in[31:0]), + .dout(ibuf_addr), + .en(ibuf_wr_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffs #(.WIDTH(4)) ibuf_byteenff( + .din(ibuf_byteen_in[3:0]), + .dout(ibuf_byteen), + .en(ibuf_wr_en), + .clk(lsu_bus_ibuf_c1_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) ibuf_dataff( + .din(ibuf_data_in[31:0]), + .dout(ibuf_data), + .en(ibuf_wr_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdff #(.WIDTH(TIMER_LOG2)) ibuf_timerff( + .din(ibuf_timer_in), + .dout(ibuf_timer), + .clk(lsu_free_c2_clk), + .rst_l(rst_l) + ); + assign obuf_wr_wait = ((((((buf_numvld_wrcmd_any[3:0] == 4'b0001) & (buf_numvld_cmd_any[3:0] == 4'b0001)) & (obuf_wr_timer != TIMER_MAX)) & ~bus_coalescing_disable) & ~buf_nomerge[CmdPtr0]) & ~buf_sideeffect[CmdPtr0]) & ~obuf_force_wr_en; + assign obuf_wr_timer_in = (obuf_wr_en ? 3'b000 : ((buf_numvld_cmd_any > 4'b0000) & (obuf_wr_timer < TIMER_MAX) ? obuf_wr_timer + 1'b1 : obuf_wr_timer)); + assign obuf_force_wr_en = (((lsu_busreq_m & ~lsu_busreq_r) & ~ibuf_valid) & (buf_numvld_cmd_any[3:0] == 4'b0001)) & (lsu_addr_m[31:2] != buf_addr[(CmdPtr0 * 32) + 31-:30]); + assign ibuf_buf_byp = (ibuf_byp & (buf_numvld_pend_any[3:0] == 4'b0000)) & (~lsu_pkt_r[6] | no_dword_merge_r); + localparam [2:0] CMD = 3'b010; + assign obuf_wr_en = ((((((ibuf_buf_byp & lsu_commit_r) & ~(is_sideeffects_r & bus_sideeffect_pend)) | (((((buf_state[CmdPtr0 * 3+:3] == CMD) & found_cmdptr0) & ~buf_cmd_state_bus_en[CmdPtr0]) & ~(buf_sideeffect[CmdPtr0] & bus_sideeffect_pend)) & (((~((buf_dual[CmdPtr0] & buf_samedw[CmdPtr0]) & ~buf_write[CmdPtr0]) | found_cmdptr1) | buf_nomerge[CmdPtr0]) | obuf_force_wr_en))) & ((bus_cmd_ready | ~obuf_valid) | obuf_nosend)) & ~obuf_wr_wait) & ~bus_addr_match_pending) & lsu_bus_clk_en; + assign obuf_rst = (((bus_cmd_sent | (obuf_valid & obuf_nosend)) & ~obuf_wr_en) & lsu_bus_clk_en) | dec_tlu_force_halt; + assign obuf_write_in = (ibuf_buf_byp ? lsu_pkt_r[6] : buf_write[CmdPtr0]); + assign obuf_sideeffect_in = (ibuf_buf_byp ? is_sideeffects_r : buf_sideeffect[CmdPtr0]); + assign obuf_addr_in[31:0] = (ibuf_buf_byp ? lsu_addr_r[31:0] : buf_addr[CmdPtr0 * 32+:32]); + assign obuf_sz_in[1:0] = (ibuf_buf_byp ? {lsu_pkt_r[9], lsu_pkt_r[10]} : buf_sz[CmdPtr0 * 2+:2]); + assign obuf_merge_in = obuf_merge_en; + function automatic [pt[181-:8] - 1:0] sv2v_cast_72B45; + input reg [pt[181-:8] - 1:0] inp; + sv2v_cast_72B45 = inp; + endfunction + assign obuf_tag0_in[pt[181-:8] - 1:0] = (ibuf_buf_byp ? sv2v_cast_72B45(WrPtr0_r) : sv2v_cast_72B45(CmdPtr0)); + assign obuf_tag1_in[pt[181-:8] - 1:0] = (ibuf_buf_byp ? sv2v_cast_72B45(WrPtr1_r) : sv2v_cast_72B45(CmdPtr1)); + assign obuf_cmd_done_in = ~(obuf_wr_en | obuf_rst) & (obuf_cmd_done | bus_wcmd_sent); + assign obuf_data_done_in = ~(obuf_wr_en | obuf_rst) & (obuf_data_done | bus_wdata_sent); + assign obuf_aligned_in = (ibuf_buf_byp ? is_aligned_r : ((obuf_sz_in[1:0] == 2'b00) | (obuf_sz_in[0] & ~obuf_addr_in[0])) | (obuf_sz_in[1] & ~(|obuf_addr_in[1:0]))); + assign obuf_rdrsp_pend_in = (((~(obuf_wr_en & ~obuf_nosend_in) & obuf_rdrsp_pend) & ~(bus_rsp_read & (bus_rsp_read_tag == obuf_rdrsp_tag))) | (bus_cmd_sent & ~obuf_write)) & ~dec_tlu_force_halt; + assign obuf_rdrsp_pend_en = lsu_bus_clk_en | dec_tlu_force_halt; + assign obuf_rdrsp_tag_in[pt[181-:8] - 1:0] = (bus_cmd_sent & ~obuf_write ? obuf_tag0[pt[181-:8] - 1:0] : obuf_rdrsp_tag[pt[181-:8] - 1:0]); + assign obuf_nosend_in = ((((((obuf_addr_in[31:3] == obuf_addr[31:3]) & obuf_aligned_in) & ~obuf_sideeffect) & ~obuf_write) & ~obuf_write_in) & ~dec_tlu_external_ldfwd_disable) & ((obuf_valid & ~obuf_nosend) | (obuf_rdrsp_pend & ~(bus_rsp_read & (bus_rsp_read_tag == obuf_rdrsp_tag)))); + assign obuf_byteen0_in[7:0] = (ibuf_buf_byp ? (lsu_addr_r[2] ? {ldst_byteen_lo_r[3:0], 4'b0000} : {4'b0000, ldst_byteen_lo_r[3:0]}) : (buf_addr[(CmdPtr0 * 32) + 2] ? {buf_byteen[CmdPtr0 * 4+:4], 4'b0000} : {4'b0000, buf_byteen[CmdPtr0 * 4+:4]})); + assign obuf_byteen1_in[7:0] = (ibuf_buf_byp ? (end_addr_r[2] ? {ldst_byteen_hi_r[3:0], 4'b0000} : {4'b0000, ldst_byteen_hi_r[3:0]}) : (buf_addr[(CmdPtr1 * 32) + 2] ? {buf_byteen[CmdPtr1 * 4+:4], 4'b0000} : {4'b0000, buf_byteen[CmdPtr1 * 4+:4]})); + assign obuf_data0_in[63:0] = (ibuf_buf_byp ? (lsu_addr_r[2] ? {store_data_lo_r[31:0], 32'b00000000000000000000000000000000} : {32'b00000000000000000000000000000000, store_data_lo_r[31:0]}) : (buf_addr[(CmdPtr0 * 32) + 2] ? {buf_data[CmdPtr0 * 32+:32], 32'b00000000000000000000000000000000} : {32'b00000000000000000000000000000000, buf_data[CmdPtr0 * 32+:32]})); + assign obuf_data1_in[63:0] = (ibuf_buf_byp ? (end_addr_r[2] ? {store_data_hi_r[31:0], 32'b00000000000000000000000000000000} : {32'b00000000000000000000000000000000, store_data_hi_r[31:0]}) : (buf_addr[(CmdPtr1 * 32) + 2] ? {buf_data[CmdPtr1 * 32+:32], 32'b00000000000000000000000000000000} : {32'b00000000000000000000000000000000, buf_data[CmdPtr1 * 32+:32]})); + generate + for (i = 0; i < 8; i = i + 1) begin + assign obuf_byteen_in[i] = obuf_byteen0_in[i] | (obuf_merge_en & obuf_byteen1_in[i]); + assign obuf_data_in[(8 * i) + 7:8 * i] = (obuf_merge_en & obuf_byteen1_in[i] ? obuf_data1_in[(8 * i) + 7:8 * i] : obuf_data0_in[(8 * i) + 7:8 * i]); + end + endgenerate + assign obuf_merge_en = ((((((((CmdPtr0 != CmdPtr1) & found_cmdptr0) & found_cmdptr1) & (buf_state[CmdPtr0 * 3+:3] == CMD)) & (buf_state[CmdPtr1 * 3+:3] == CMD)) & ~buf_cmd_state_bus_en[CmdPtr0]) & ~buf_sideeffect[CmdPtr0]) & (((~buf_write[CmdPtr0] & buf_dual[CmdPtr0]) & ~buf_dualhi[CmdPtr0]) & buf_samedw[CmdPtr0])) | ((ibuf_buf_byp & ldst_samedw_r) & ldst_dual_r); + rvdff_fpga #(.WIDTH(1)) obuf_wren_ff( + .din(obuf_wr_en), + .dout(obuf_wr_enQ), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffsc #(.WIDTH(1)) obuf_valid_ff( + .din(1'b1), + .dout(obuf_valid), + .en(obuf_wr_en), + .clear(obuf_rst), + .clk(lsu_free_c2_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) obuf_nosend_ff( + .din(obuf_nosend_in), + .dout(obuf_nosend), + .en(obuf_wr_en), + .clk(lsu_free_c2_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) obuf_rdrsp_pend_ff( + .din(obuf_rdrsp_pend_in), + .dout(obuf_rdrsp_pend), + .en(obuf_rdrsp_pend_en), + .clk(lsu_free_c2_clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) obuf_cmd_done_ff( + .din(obuf_cmd_done_in), + .dout(obuf_cmd_done), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) obuf_data_done_ff( + .din(obuf_data_done_in), + .dout(obuf_data_done), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(pt[181-:8])) obuf_rdrsp_tagff( + .din(obuf_rdrsp_tag_in), + .dout(obuf_rdrsp_tag), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(pt[181-:8])) obuf_tag0ff( + .din(obuf_tag0_in), + .dout(obuf_tag0), + .en(obuf_wr_en), + .clk(lsu_bus_obuf_c1_clk), + .clken(lsu_bus_obuf_c1_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(pt[181-:8])) obuf_tag1ff( + .din(obuf_tag1_in), + .dout(obuf_tag1), + .en(obuf_wr_en), + .clk(lsu_bus_obuf_c1_clk), + .clken(lsu_bus_obuf_c1_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(1)) obuf_mergeff( + .din(obuf_merge_in), + .dout(obuf_merge), + .en(obuf_wr_en), + .clk(lsu_bus_obuf_c1_clk), + .clken(lsu_bus_obuf_c1_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(1)) obuf_writeff( + .din(obuf_write_in), + .dout(obuf_write), + .en(obuf_wr_en), + .clk(lsu_bus_obuf_c1_clk), + .clken(lsu_bus_obuf_c1_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(1)) obuf_sideeffectff( + .din(obuf_sideeffect_in), + .dout(obuf_sideeffect), + .en(obuf_wr_en), + .clk(lsu_bus_obuf_c1_clk), + .clken(lsu_bus_obuf_c1_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(2)) obuf_szff( + .din(obuf_sz_in[1:0]), + .dout(obuf_sz), + .en(obuf_wr_en), + .clk(lsu_bus_obuf_c1_clk), + .clken(lsu_bus_obuf_c1_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffs_fpga #(.WIDTH(8)) obuf_byteenff( + .din(obuf_byteen_in[7:0]), + .dout(obuf_byteen), + .en(obuf_wr_en), + .clk(lsu_bus_obuf_c1_clk), + .clken(lsu_bus_obuf_c1_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) obuf_addrff( + .din(obuf_addr_in[31:0]), + .dout(obuf_addr), + .en(obuf_wr_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffe #(.WIDTH(64)) obuf_dataff( + .din(obuf_data_in[63:0]), + .dout(obuf_data), + .en(obuf_wr_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdff_fpga #(.WIDTH(TIMER_LOG2)) obuf_timerff( + .din(obuf_wr_timer_in), + .dout(obuf_wr_timer), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + function automatic signed [DEPTH_LOG2 - 1:0] sv2v_cast_63A9F_signed; + input reg signed [DEPTH_LOG2 - 1:0] inp; + sv2v_cast_63A9F_signed = inp; + endfunction + always @(*) begin + WrPtr0_m[DEPTH_LOG2 - 1:0] = {DEPTH_LOG2 {1'sb0}}; + WrPtr1_m[DEPTH_LOG2 - 1:0] = {DEPTH_LOG2 {1'sb0}}; + found_wrptr0 = 1'b0; + found_wrptr1 = 1'b0; + begin : sv2v_autoblock_51 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + if (~found_wrptr0) begin + WrPtr0_m[DEPTH_LOG2 - 1:0] = sv2v_cast_63A9F_signed(i); + found_wrptr0 = (buf_state[i * 3+:3] == IDLE) & ~((ibuf_valid & (ibuf_tag == i)) | (lsu_busreq_r & ((WrPtr0_r == i) | (ldst_dual_r & (WrPtr1_r == i))))); + end + end + begin : sv2v_autoblock_52 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + if (~found_wrptr1) begin + WrPtr1_m[DEPTH_LOG2 - 1:0] = sv2v_cast_63A9F_signed(i); + found_wrptr1 = (buf_state[i * 3+:3] == IDLE) & ~(((ibuf_valid & (ibuf_tag == i)) | (lsu_busreq_m & (WrPtr0_m == i))) | (lsu_busreq_r & ((WrPtr0_r == i) | (ldst_dual_r & (WrPtr1_r == i))))); + end + end + end + localparam [2:0] DONE_WAIT = 3'b101; + generate + for (i = 0; i < DEPTH; i = i + 1) begin + assign CmdPtr0Dec[i] = (~(|buf_age[i * DEPTH+:DEPTH]) & (buf_state[i * 3+:3] == CMD)) & ~buf_cmd_state_bus_en[i]; + assign CmdPtr1Dec[i] = ((~(|(buf_age[i * DEPTH+:DEPTH] & ~CmdPtr0Dec)) & ~CmdPtr0Dec[i]) & (buf_state[i * 3+:3] == CMD)) & ~buf_cmd_state_bus_en[i]; + assign RspPtrDec[i] = ~(|buf_rsp_pickage[i * DEPTH+:DEPTH]) & (buf_state[i * 3+:3] == DONE_WAIT); + end + endgenerate + assign found_cmdptr0 = |CmdPtr0Dec; + assign found_cmdptr1 = |CmdPtr1Dec; + function automatic [7:0] sv2v_cast_8; + input reg [7:0] inp; + sv2v_cast_8 = inp; + endfunction + assign CmdPtr0 = f_Enc8to3(sv2v_cast_8(CmdPtr0Dec[DEPTH - 1:0])); + assign CmdPtr1 = f_Enc8to3(sv2v_cast_8(CmdPtr1Dec[DEPTH - 1:0])); + assign RspPtr = f_Enc8to3(sv2v_cast_8(RspPtrDec[DEPTH - 1:0])); + localparam [2:0] WAIT = 3'b001; + generate + for (i = 0; i < DEPTH; i = i + 1) begin : GenAgeVec + for (j = 0; j < DEPTH; j = j + 1) begin + assign buf_age_in[(i * DEPTH) + j] = (((buf_state[i * 3+:3] == IDLE) & buf_state_en[i]) & ((((buf_state[j * 3+:3] == WAIT) | ((buf_state[j * 3+:3] == CMD) & ~buf_cmd_state_bus_en[j])) | ((((ibuf_drain_vld & lsu_busreq_r) & (ibuf_byp | ldst_dual_r)) & (i == WrPtr0_r)) & (j == ibuf_tag))) | ((((ibuf_byp & lsu_busreq_r) & ldst_dual_r) & (i == WrPtr1_r)) & (j == WrPtr0_r)))) | buf_age[(i * DEPTH) + j]; + assign buf_age[(i * DEPTH) + j] = (buf_ageQ[(i * DEPTH) + j] & ~((buf_state[j * 3+:3] == CMD) & buf_cmd_state_bus_en[j])) & ~dec_tlu_force_halt; + assign buf_age_younger[(i * DEPTH) + j] = (i == j ? 1'b0 : ~buf_age[(i * DEPTH) + j] & (buf_state[j * 3+:3] != IDLE)); + end + end + endgenerate + localparam [2:0] DONE = 3'b110; + generate + for (i = 0; i < DEPTH; i = i + 1) begin : GenRspAgeVec + for (j = 0; j < DEPTH; j = j + 1) begin + function automatic signed [DEPTH_LOG2 - 1:0] sv2v_cast_63A9F_signed; + input reg signed [DEPTH_LOG2 - 1:0] inp; + sv2v_cast_63A9F_signed = inp; + endfunction + assign buf_rspage_set[(i * DEPTH) + j] = ((buf_state[i * 3+:3] == IDLE) & buf_state_en[i]) & ((~((buf_state[j * 3+:3] == IDLE) | (buf_state[j * 3+:3] == DONE)) | ((((ibuf_drain_vld & lsu_busreq_r) & (ibuf_byp | ldst_dual_r)) & (sv2v_cast_63A9F_signed(i) == WrPtr0_r)) & (sv2v_cast_63A9F_signed(j) == ibuf_tag))) | ((((ibuf_byp & lsu_busreq_r) & ldst_dual_r) & (sv2v_cast_63A9F_signed(i) == WrPtr1_r)) & (sv2v_cast_63A9F_signed(j) == WrPtr0_r))); + assign buf_rspage_in[(i * DEPTH) + j] = buf_rspage_set[(i * DEPTH) + j] | buf_rspage[(i * DEPTH) + j]; + assign buf_rspage[(i * DEPTH) + j] = (buf_rspageQ[(i * DEPTH) + j] & ~((buf_state[j * 3+:3] == DONE) | (buf_state[j * 3+:3] == IDLE))) & ~dec_tlu_force_halt; + assign buf_rsp_pickage[(i * DEPTH) + j] = buf_rspageQ[(i * DEPTH) + j] & (buf_state[j * 3+:3] == DONE_WAIT); + end + end + endgenerate + localparam [2:0] DONE_PARTIAL = 3'b100; + localparam [2:0] RESP = 3'b011; + generate + for (i = 0; i < DEPTH; i = i + 1) begin + assign ibuf_drainvec_vld[i] = ibuf_drain_vld & (i == ibuf_tag); + assign buf_byteen_in[i * 4+:4] = (ibuf_drainvec_vld[i] ? ibuf_byteen_out[3:0] : ((ibuf_byp & ldst_dual_r) & (i == WrPtr1_r) ? ldst_byteen_hi_r[3:0] : ldst_byteen_lo_r[3:0])); + assign buf_addr_in[i * 32+:32] = (ibuf_drainvec_vld[i] ? ibuf_addr[31:0] : ((ibuf_byp & ldst_dual_r) & (i == WrPtr1_r) ? end_addr_r[31:0] : lsu_addr_r[31:0])); + assign buf_dual_in[i] = (ibuf_drainvec_vld[i] ? ibuf_dual : ldst_dual_r); + assign buf_samedw_in[i] = (ibuf_drainvec_vld[i] ? ibuf_samedw : ldst_samedw_r); + assign buf_nomerge_in[i] = (ibuf_drainvec_vld[i] ? ibuf_nomerge | ibuf_force_drain : no_dword_merge_r); + assign buf_dualhi_in[i] = (ibuf_drainvec_vld[i] ? ibuf_dual : (ibuf_byp & ldst_dual_r) & (i == WrPtr1_r)); + assign buf_dualtag_in[i * DEPTH_LOG2+:DEPTH_LOG2] = (ibuf_drainvec_vld[i] ? ibuf_dualtag : ((ibuf_byp & ldst_dual_r) & (i == WrPtr1_r) ? WrPtr0_r : WrPtr1_r)); + assign buf_sideeffect_in[i] = (ibuf_drainvec_vld[i] ? ibuf_sideeffect : is_sideeffects_r); + assign buf_unsign_in[i] = (ibuf_drainvec_vld[i] ? ibuf_unsign : lsu_pkt_r[5]); + assign buf_sz_in[i * 2+:2] = (ibuf_drainvec_vld[i] ? ibuf_sz : {lsu_pkt_r[9], lsu_pkt_r[10]}); + assign buf_write_in[i] = (ibuf_drainvec_vld[i] ? ibuf_write : lsu_pkt_r[6]); + function automatic [DEPTH_LOG2 - 1:0] sv2v_cast_63A9F; + input reg [DEPTH_LOG2 - 1:0] inp; + sv2v_cast_63A9F = inp; + endfunction + function automatic signed [pt[181-:8] - 1:0] sv2v_cast_72B45_signed; + input reg signed [pt[181-:8] - 1:0] inp; + sv2v_cast_72B45_signed = inp; + endfunction + function automatic [pt[181-:8] - 1:0] sv2v_cast_72B45; + input reg [pt[181-:8] - 1:0] inp; + sv2v_cast_72B45 = inp; + endfunction + function automatic signed [DEPTH_LOG2 - 1:0] sv2v_cast_63A9F_signed; + input reg signed [DEPTH_LOG2 - 1:0] inp; + sv2v_cast_63A9F_signed = inp; + endfunction + always @(*) begin + buf_nxtstate[i * 3+:3] = IDLE; + buf_state_en[i] = 1'b0; + buf_resp_state_bus_en[i] = 1'b0; + buf_state_bus_en[i] = 1'b0; + buf_wr_en[i] = 1'b0; + buf_data_in[i * 32+:32] = {32 {1'sb0}}; + buf_data_en[i] = 1'b0; + buf_error_en[i] = 1'b0; + buf_rst[i] = dec_tlu_force_halt; + buf_ldfwd_en[i] = dec_tlu_force_halt; + buf_ldfwd_in[i] = 1'b0; + buf_ldfwdtag_in[i * DEPTH_LOG2+:DEPTH_LOG2] = {DEPTH_LOG2 {1'sb0}}; + case (buf_state[i * 3+:3]) + IDLE: begin + buf_nxtstate[i * 3+:3] = (lsu_bus_clk_en ? CMD : WAIT); + buf_state_en[i] = ((lsu_busreq_r & lsu_commit_r) & ((((ibuf_byp | ldst_dual_r) & ~ibuf_merge_en) & (i == WrPtr0_r)) | ((ibuf_byp & ldst_dual_r) & (i == WrPtr1_r)))) | (ibuf_drain_vld & (i == ibuf_tag)); + buf_wr_en[i] = buf_state_en[i]; + buf_data_en[i] = buf_state_en[i]; + buf_data_in[i * 32+:32] = (ibuf_drain_vld & (i == ibuf_tag) ? ibuf_data_out[31:0] : store_data_lo_r[31:0]); + buf_cmd_state_bus_en[i] = 1'b0; + end + WAIT: begin + buf_nxtstate[i * 3+:3] = (dec_tlu_force_halt ? IDLE : CMD); + buf_state_en[i] = lsu_bus_clk_en | dec_tlu_force_halt; + buf_cmd_state_bus_en[i] = 1'b0; + end + CMD: begin + buf_nxtstate[i * 3+:3] = (dec_tlu_force_halt ? IDLE : ((obuf_nosend & bus_rsp_read) & (bus_rsp_read_tag == obuf_rdrsp_tag) ? DONE_WAIT : RESP)); + buf_cmd_state_bus_en[i] = (((obuf_tag0 == i) | (obuf_merge & (obuf_tag1 == i))) & obuf_valid) & obuf_wr_enQ; + buf_state_bus_en[i] = buf_cmd_state_bus_en[i]; + buf_state_en[i] = (buf_state_bus_en[i] & lsu_bus_clk_en) | dec_tlu_force_halt; + buf_ldfwd_in[i] = 1'b1; + buf_ldfwd_en[i] = ((buf_state_en[i] & ~buf_write[i]) & obuf_nosend) & ~dec_tlu_force_halt; + buf_ldfwdtag_in[i * DEPTH_LOG2+:DEPTH_LOG2] = sv2v_cast_63A9F(obuf_rdrsp_tag[pt[181-:8] - 2:0]); + buf_data_en[i] = ((buf_state_bus_en[i] & lsu_bus_clk_en) & obuf_nosend) & bus_rsp_read; + buf_error_en[i] = ((buf_state_bus_en[i] & lsu_bus_clk_en) & obuf_nosend) & bus_rsp_read_error; + buf_data_in[i * 32+:32] = (buf_error_en[i] ? bus_rsp_rdata[31:0] : (buf_addr[(i * 32) + 2] ? bus_rsp_rdata[63:32] : bus_rsp_rdata[31:0])); + end + RESP: begin + buf_nxtstate[i * 3+:3] = (dec_tlu_force_halt | (buf_write[i] & ~bus_rsp_write_error) ? IDLE : (((buf_dual[i] & ~buf_samedw[i]) & ~buf_write[i]) & (buf_state[buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2] * 3+:3] != DONE_PARTIAL) ? DONE_PARTIAL : ((buf_ldfwd[i] | any_done_wait_state) | (((((buf_dual[i] & ~buf_samedw[i]) & ~buf_write[i]) & buf_ldfwd[buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2]]) & (buf_state[buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2] * 3+:3] == DONE_PARTIAL)) & any_done_wait_state) ? DONE_WAIT : DONE))); + buf_resp_state_bus_en[i] = (bus_rsp_write & (bus_rsp_write_tag == sv2v_cast_72B45_signed(i))) | (bus_rsp_read & (((bus_rsp_read_tag == sv2v_cast_72B45_signed(i)) | (buf_ldfwd[i] & (bus_rsp_read_tag == sv2v_cast_72B45(buf_ldfwdtag[i * DEPTH_LOG2+:DEPTH_LOG2])))) | ((((buf_dual[i] & buf_dualhi[i]) & ~buf_write[i]) & buf_samedw[i]) & (bus_rsp_read_tag == sv2v_cast_72B45(buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2]))))); + buf_state_bus_en[i] = buf_resp_state_bus_en[i]; + buf_state_en[i] = (buf_state_bus_en[i] & lsu_bus_clk_en) | dec_tlu_force_halt; + buf_data_en[i] = (buf_state_bus_en[i] & bus_rsp_read) & lsu_bus_clk_en; + buf_error_en[i] = (buf_state_bus_en[i] & lsu_bus_clk_en) & (((bus_rsp_read_error & (bus_rsp_read_tag == sv2v_cast_72B45_signed(i))) | ((bus_rsp_read_error & buf_ldfwd[i]) & (bus_rsp_read_tag == sv2v_cast_72B45(buf_ldfwdtag[i * DEPTH_LOG2+:DEPTH_LOG2])))) | (bus_rsp_write_error & (bus_rsp_write_tag == sv2v_cast_72B45_signed(i)))); + buf_data_in[(i * 32) + 31-:32] = (buf_state_en[i] & ~buf_error_en[i] ? (buf_addr[(i * 32) + 2] ? bus_rsp_rdata[63:32] : bus_rsp_rdata[31:0]) : bus_rsp_rdata[31:0]); + buf_cmd_state_bus_en[i] = 1'b0; + end + DONE_PARTIAL: begin + buf_nxtstate[i * 3+:3] = (dec_tlu_force_halt ? IDLE : ((buf_ldfwd[i] | buf_ldfwd[buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2]]) | any_done_wait_state ? DONE_WAIT : DONE)); + buf_state_bus_en[i] = bus_rsp_read & ((bus_rsp_read_tag == sv2v_cast_72B45(buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2])) | (buf_ldfwd[buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2]] & (bus_rsp_read_tag == sv2v_cast_72B45(buf_ldfwdtag[buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2] * DEPTH_LOG2+:DEPTH_LOG2])))); + buf_state_en[i] = (buf_state_bus_en[i] & lsu_bus_clk_en) | dec_tlu_force_halt; + buf_cmd_state_bus_en[i] = 1'b0; + end + DONE_WAIT: begin + buf_nxtstate[i * 3+:3] = (dec_tlu_force_halt ? IDLE : DONE); + buf_state_en[i] = ((RspPtr == sv2v_cast_63A9F_signed(i)) | (buf_dual[i] & (buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2] == RspPtr))) | dec_tlu_force_halt; + buf_cmd_state_bus_en[i] = 1'b0; + end + DONE: begin + buf_nxtstate[i * 3+:3] = IDLE; + buf_rst[i] = 1'b1; + buf_state_en[i] = 1'b1; + buf_ldfwd_in[i] = 1'b0; + buf_ldfwd_en[i] = buf_state_en[i]; + buf_cmd_state_bus_en[i] = 1'b0; + end + default: begin + buf_nxtstate[i * 3+:3] = IDLE; + buf_state_en[i] = 1'b0; + buf_resp_state_bus_en[i] = 1'b0; + buf_state_bus_en[i] = 1'b0; + buf_wr_en[i] = 1'b0; + buf_data_in[i * 32+:32] = {32 {1'sb0}}; + buf_data_en[i] = 1'b0; + buf_error_en[i] = 1'b0; + buf_rst[i] = 1'b0; + buf_cmd_state_bus_en[i] = 1'b0; + end + endcase + end + rvdffs #(.WIDTH(3)) buf_state_ff( + .din(buf_nxtstate[i * 3+:3]), + .dout({buf_state[i * 3+:3]}), + .en(buf_state_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(DEPTH)) buf_ageff( + .din(buf_age_in[i * DEPTH+:DEPTH]), + .dout(buf_ageQ[i * DEPTH+:DEPTH]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(DEPTH)) buf_rspageff( + .din(buf_rspage_in[i * DEPTH+:DEPTH]), + .dout(buf_rspageQ[i * DEPTH+:DEPTH]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(DEPTH_LOG2)) buf_dualtagff( + .din(buf_dualtag_in[i * DEPTH_LOG2+:DEPTH_LOG2]), + .dout(buf_dualtag[i * DEPTH_LOG2+:DEPTH_LOG2]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) buf_dualff( + .din(buf_dual_in[i]), + .dout(buf_dual[i]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) buf_samedwff( + .din(buf_samedw_in[i]), + .dout(buf_samedw[i]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) buf_nomergeff( + .din(buf_nomerge_in[i]), + .dout(buf_nomerge[i]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) buf_dualhiff( + .din(buf_dualhi_in[i]), + .dout(buf_dualhi[i]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) buf_ldfwdff( + .din(buf_ldfwd_in[i]), + .dout(buf_ldfwd[i]), + .en(buf_ldfwd_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(DEPTH_LOG2)) buf_ldfwdtagff( + .din(buf_ldfwdtag_in[i * DEPTH_LOG2+:DEPTH_LOG2]), + .dout(buf_ldfwdtag[i * DEPTH_LOG2+:DEPTH_LOG2]), + .en(buf_ldfwd_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) buf_sideeffectff( + .din(buf_sideeffect_in[i]), + .dout(buf_sideeffect[i]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) buf_unsignff( + .din(buf_unsign_in[i]), + .dout(buf_unsign[i]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(1)) buf_writeff( + .din(buf_write_in[i]), + .dout(buf_write[i]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(2)) buf_szff( + .din(buf_sz_in[i * 2+:2]), + .dout(buf_sz[i * 2+:2]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) buf_addrff( + .din(buf_addr_in[(i * 32) + 31-:32]), + .dout(buf_addr[i * 32+:32]), + .en(buf_wr_en[i]), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffs #(.WIDTH(4)) buf_byteenff( + .din(buf_byteen_in[(i * 4) + 3-:4]), + .dout(buf_byteen[i * 4+:4]), + .en(buf_wr_en[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) buf_dataff( + .din(buf_data_in[(i * 32) + 31-:32]), + .dout(buf_data[i * 32+:32]), + .en(buf_data_en[i]), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffsc #(.WIDTH(1)) buf_errorff( + .din(1'b1), + .dout(buf_error[i]), + .en(buf_error_en[i]), + .clear(buf_rst[i]), + .clk(lsu_bus_buf_c1_clk), + .rst_l(rst_l) + ); + end + endgenerate + always @(*) begin + buf_numvld_any[3:0] = (({1'b0, lsu_busreq_m} << ldst_dual_m) + ({1'b0, lsu_busreq_r} << ldst_dual_r)) + ibuf_valid; + buf_numvld_wrcmd_any[3:0] = 4'b0000; + buf_numvld_cmd_any[3:0] = 4'b0000; + buf_numvld_pend_any[3:0] = 4'b0000; + any_done_wait_state = 1'b0; + begin : sv2v_autoblock_53 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + begin + buf_numvld_any[3:0] = buf_numvld_any[3:0] + {3'b000, buf_state[i * 3+:3] != IDLE}; + buf_numvld_wrcmd_any[3:0] = buf_numvld_wrcmd_any[3:0] + {3'b000, (buf_write[i] & (buf_state[i * 3+:3] == CMD)) & ~buf_cmd_state_bus_en[i]}; + buf_numvld_cmd_any[3:0] = buf_numvld_cmd_any[3:0] + {3'b000, (buf_state[i * 3+:3] == CMD) & ~buf_cmd_state_bus_en[i]}; + buf_numvld_pend_any[3:0] = buf_numvld_pend_any[3:0] + {3'b000, (buf_state[i * 3+:3] == WAIT) | ((buf_state[i * 3+:3] == CMD) & ~buf_cmd_state_bus_en[i])}; + any_done_wait_state = any_done_wait_state | (buf_state[i * 3+:3] == DONE_WAIT); + end + end + end + assign lsu_bus_buffer_pend_any = buf_numvld_pend_any != 0; + assign lsu_bus_buffer_full_any = (ldst_dual_d & dec_lsu_valid_raw_d ? buf_numvld_any[3:0] >= (DEPTH - 1) : buf_numvld_any[3:0] == DEPTH); + assign lsu_bus_buffer_empty_any = (~(|buf_state[3 * ((DEPTH - 1) - (DEPTH - 1))+:3 * DEPTH]) & ~ibuf_valid) & ~obuf_valid; + assign lsu_nonblock_load_valid_m = (((lsu_busreq_m & lsu_pkt_m[0]) & lsu_pkt_m[7]) & ~flush_m_up) & ~ld_full_hit_m; + assign lsu_nonblock_load_tag_m[DEPTH_LOG2 - 1:0] = WrPtr0_m[DEPTH_LOG2 - 1:0]; + assign lsu_nonblock_load_inv_r = lsu_nonblock_load_valid_r & ~lsu_commit_r; + assign lsu_nonblock_load_inv_tag_r[DEPTH_LOG2 - 1:0] = WrPtr0_r[DEPTH_LOG2 - 1:0]; + always @(*) begin + lsu_nonblock_load_data_ready = 1'b0; + lsu_nonblock_load_data_error = 1'b0; + lsu_nonblock_load_data_tag[DEPTH_LOG2 - 1:0] = {DEPTH_LOG2 {1'sb0}}; + lsu_nonblock_load_data_lo[31:0] = {32 {1'sb0}}; + lsu_nonblock_load_data_hi[31:0] = {32 {1'sb0}}; + begin : sv2v_autoblock_54 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + begin + lsu_nonblock_load_data_ready = lsu_nonblock_load_data_ready | ((buf_state[i * 3+:3] == DONE) & ~buf_write[i]); + lsu_nonblock_load_data_error = lsu_nonblock_load_data_error | (((buf_state[i * 3+:3] == DONE) & buf_error[i]) & ~buf_write[i]); + lsu_nonblock_load_data_tag[DEPTH_LOG2 - 1:0] = lsu_nonblock_load_data_tag[DEPTH_LOG2 - 1:0] | (sv2v_cast_63A9F_signed(i) & {DEPTH_LOG2 {((buf_state[i * 3+:3] == DONE) & ~buf_write[i]) & (~buf_dual[i] | ~buf_dualhi[i])}}); + lsu_nonblock_load_data_lo[31:0] = lsu_nonblock_load_data_lo[31:0] | (buf_data[(i * 32) + 31-:32] & {32 {((buf_state[i * 3+:3] == DONE) & ~buf_write[i]) & (~buf_dual[i] | ~buf_dualhi[i])}}); + lsu_nonblock_load_data_hi[31:0] = lsu_nonblock_load_data_hi[31:0] | (buf_data[(i * 32) + 31-:32] & {32 {((buf_state[i * 3+:3] == DONE) & ~buf_write[i]) & (buf_dual[i] & buf_dualhi[i])}}); + end + end + end + assign lsu_nonblock_addr_offset[1:0] = buf_addr[(lsu_nonblock_load_data_tag * 32) + 1-:2]; + assign lsu_nonblock_sz[1:0] = buf_sz[(lsu_nonblock_load_data_tag * 2) + 1-:2]; + assign lsu_nonblock_unsign = buf_unsign[lsu_nonblock_load_data_tag]; + function automatic [31:0] sv2v_cast_32; + input reg [31:0] inp; + sv2v_cast_32 = inp; + endfunction + assign lsu_nonblock_data_unalgn[31:0] = sv2v_cast_32({lsu_nonblock_load_data_hi[31:0], lsu_nonblock_load_data_lo[31:0]} >> (8 * lsu_nonblock_addr_offset[1:0])); + assign lsu_nonblock_load_data_valid = lsu_nonblock_load_data_ready & ~lsu_nonblock_load_data_error; + assign lsu_nonblock_load_data[31:0] = (((({32 {lsu_nonblock_unsign & (lsu_nonblock_sz[1:0] == 2'b00)}} & {24'b000000000000000000000000, lsu_nonblock_data_unalgn[7:0]}) | ({32 {lsu_nonblock_unsign & (lsu_nonblock_sz[1:0] == 2'b01)}} & {16'b0000000000000000, lsu_nonblock_data_unalgn[15:0]})) | ({32 {~lsu_nonblock_unsign & (lsu_nonblock_sz[1:0] == 2'b00)}} & {{24 {lsu_nonblock_data_unalgn[7]}}, lsu_nonblock_data_unalgn[7:0]})) | ({32 {~lsu_nonblock_unsign & (lsu_nonblock_sz[1:0] == 2'b01)}} & {{16 {lsu_nonblock_data_unalgn[15]}}, lsu_nonblock_data_unalgn[15:0]})) | ({32 {lsu_nonblock_sz[1:0] == 2'b10}} & lsu_nonblock_data_unalgn[31:0]); + always @(*) begin + bus_sideeffect_pend = (obuf_valid & obuf_sideeffect) & dec_tlu_sideeffect_posted_disable; + begin : sv2v_autoblock_55 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + bus_sideeffect_pend = bus_sideeffect_pend | (((buf_state[i * 3+:3] == RESP) & buf_sideeffect[i]) & dec_tlu_sideeffect_posted_disable); + end + end + function automatic signed [pt[181-:8] - 1:0] sv2v_cast_72B45_signed; + input reg signed [pt[181-:8] - 1:0] inp; + sv2v_cast_72B45_signed = inp; + endfunction + always @(*) begin + bus_addr_match_pending = 1'b0; + begin : sv2v_autoblock_56 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + bus_addr_match_pending = bus_addr_match_pending | (((obuf_valid & (obuf_addr[31:3] == buf_addr[(i * 32) + 31-:29])) & (buf_state[i * 3+:3] == RESP)) & ~((obuf_tag0 == sv2v_cast_72B45_signed(i)) | (obuf_merge & (obuf_tag1 == sv2v_cast_72B45_signed(i))))); + end + end + assign bus_cmd_ready = (obuf_write ? (obuf_cmd_done | obuf_data_done ? (obuf_cmd_done ? lsu_axi_wready : lsu_axi_awready) : lsu_axi_awready & lsu_axi_wready) : lsu_axi_arready); + assign bus_wcmd_sent = lsu_axi_awvalid & lsu_axi_awready; + assign bus_wdata_sent = lsu_axi_wvalid & lsu_axi_wready; + assign bus_cmd_sent = ((obuf_cmd_done | bus_wcmd_sent) & (obuf_data_done | bus_wdata_sent)) | (lsu_axi_arvalid & lsu_axi_arready); + assign bus_rsp_read = lsu_axi_rvalid & lsu_axi_rready; + assign bus_rsp_write = lsu_axi_bvalid & lsu_axi_bready; + assign bus_rsp_read_tag[pt[181-:8] - 1:0] = lsu_axi_rid[pt[181-:8] - 1:0]; + assign bus_rsp_write_tag[pt[181-:8] - 1:0] = lsu_axi_bid[pt[181-:8] - 1:0]; + assign bus_rsp_write_error = bus_rsp_write & (lsu_axi_bresp[1:0] != 2'b00); + assign bus_rsp_read_error = bus_rsp_read & (lsu_axi_rresp[1:0] != 2'b00); + assign bus_rsp_rdata[63:0] = lsu_axi_rdata[63:0]; + assign lsu_axi_awvalid = ((obuf_valid & obuf_write) & ~obuf_cmd_done) & ~bus_addr_match_pending; + assign lsu_axi_awid[pt[181-:8] - 1:0] = sv2v_cast_72B45(obuf_tag0); + assign lsu_axi_awaddr[31:0] = (obuf_sideeffect ? obuf_addr[31:0] : {obuf_addr[31:3], 3'b000}); + assign lsu_axi_awsize[2:0] = (obuf_sideeffect ? {1'b0, obuf_sz[1:0]} : 3'b011); + assign lsu_axi_awprot[2:0] = 3'b001; + assign lsu_axi_awcache[3:0] = (obuf_sideeffect ? 4'b0000 : 4'b1111); + assign lsu_axi_awregion[3:0] = obuf_addr[31:28]; + assign lsu_axi_awlen[7:0] = {8 {1'sb0}}; + assign lsu_axi_awburst[1:0] = 2'b01; + assign lsu_axi_awqos[3:0] = {4 {1'sb0}}; + assign lsu_axi_awlock = 1'b0; + assign lsu_axi_wvalid = ((obuf_valid & obuf_write) & ~obuf_data_done) & ~bus_addr_match_pending; + assign lsu_axi_wstrb[7:0] = obuf_byteen[7:0] & {8 {obuf_write}}; + assign lsu_axi_wdata[63:0] = obuf_data[63:0]; + assign lsu_axi_wlast = 1'b1; + assign lsu_axi_arvalid = ((obuf_valid & ~obuf_write) & ~obuf_nosend) & ~bus_addr_match_pending; + assign lsu_axi_arid[pt[181-:8] - 1:0] = sv2v_cast_72B45(obuf_tag0); + assign lsu_axi_araddr[31:0] = (obuf_sideeffect ? obuf_addr[31:0] : {obuf_addr[31:3], 3'b000}); + assign lsu_axi_arsize[2:0] = (obuf_sideeffect ? {1'b0, obuf_sz[1:0]} : 3'b011); + assign lsu_axi_arprot[2:0] = 3'b001; + assign lsu_axi_arcache[3:0] = (obuf_sideeffect ? 4'b0000 : 4'b1111); + assign lsu_axi_arregion[3:0] = obuf_addr[31:28]; + assign lsu_axi_arlen[7:0] = {8 {1'sb0}}; + assign lsu_axi_arburst[1:0] = 2'b01; + assign lsu_axi_arqos[3:0] = {4 {1'sb0}}; + assign lsu_axi_arlock = 1'b0; + assign lsu_axi_bready = 1; + assign lsu_axi_rready = 1; + always @(*) begin + lsu_imprecise_error_store_any = 1'b0; + lsu_imprecise_error_store_tag = {pt[181-:8] {1'sb0}}; + begin : sv2v_autoblock_57 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + begin + lsu_imprecise_error_store_any = lsu_imprecise_error_store_any | (((lsu_bus_clk_en_q & (buf_state[i * 3+:3] == DONE)) & buf_error[i]) & buf_write[i]); + lsu_imprecise_error_store_tag = lsu_imprecise_error_store_tag | (sv2v_cast_63A9F_signed(i) & {DEPTH_LOG2 {((buf_state[i * 3+:3] == DONE) & buf_error[i]) & buf_write[i]}}); + end + end + end + assign lsu_imprecise_error_load_any = lsu_nonblock_load_data_error & ~lsu_imprecise_error_store_any; + assign lsu_imprecise_error_addr_any[31:0] = (lsu_imprecise_error_store_any ? buf_addr[lsu_imprecise_error_store_tag * 32+:32] : buf_addr[lsu_nonblock_load_data_tag * 32+:32]); + assign lsu_pmu_bus_trxn = ((lsu_axi_awvalid & lsu_axi_awready) | (lsu_axi_wvalid & lsu_axi_wready)) | (lsu_axi_arvalid & lsu_axi_arready); + assign lsu_pmu_bus_misaligned = (lsu_busreq_r & ldst_dual_r) & lsu_commit_r; + assign lsu_pmu_bus_error = lsu_imprecise_error_load_any | lsu_imprecise_error_store_any; + assign lsu_pmu_bus_busy = ((lsu_axi_awvalid & ~lsu_axi_awready) | (lsu_axi_wvalid & ~lsu_axi_wready)) | (lsu_axi_arvalid & ~lsu_axi_arready); + rvdff_fpga #(.WIDTH(1)) lsu_axi_awvalid_ff( + .din(lsu_axi_awvalid), + .dout(lsu_axi_awvalid_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) lsu_axi_awready_ff( + .din(lsu_axi_awready), + .dout(lsu_axi_awready_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) lsu_axi_wvalid_ff( + .din(lsu_axi_wvalid), + .dout(lsu_axi_wvalid_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) lsu_axi_wready_ff( + .din(lsu_axi_wready), + .dout(lsu_axi_wready_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) lsu_axi_arvalid_ff( + .din(lsu_axi_arvalid), + .dout(lsu_axi_arvalid_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) lsu_axi_arready_ff( + .din(lsu_axi_arready), + .dout(lsu_axi_arready_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) lsu_axi_bvalid_ff( + .din(lsu_axi_bvalid), + .dout(lsu_axi_bvalid_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) lsu_axi_bready_ff( + .din(lsu_axi_bready), + .dout(lsu_axi_bready_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(2)) lsu_axi_bresp_ff( + .din(lsu_axi_bresp[1:0]), + .dout(lsu_axi_bresp_q[1:0]), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(pt[181-:8])) lsu_axi_bid_ff( + .din(lsu_axi_bid[pt[181-:8] - 1:0]), + .dout(lsu_axi_bid_q[pt[181-:8] - 1:0]), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(64)) lsu_axi_rdata_ff( + .din(lsu_axi_rdata[63:0]), + .dout(lsu_axi_rdata_q[63:0]), + .en((lsu_axi_rvalid | clk_override) & lsu_bus_clk_en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdff_fpga #(.WIDTH(1)) lsu_axi_rvalid_ff( + .din(lsu_axi_rvalid), + .dout(lsu_axi_rvalid_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(1)) lsu_axi_rready_ff( + .din(lsu_axi_rready), + .dout(lsu_axi_rready_q), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(2)) lsu_axi_rresp_ff( + .din(lsu_axi_rresp[1:0]), + .dout(lsu_axi_rresp_q[1:0]), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff_fpga #(.WIDTH(pt[181-:8])) lsu_axi_rid_ff( + .din(lsu_axi_rid[pt[181-:8] - 1:0]), + .dout(lsu_axi_rid_q[pt[181-:8] - 1:0]), + .clk(lsu_busm_clk), + .clken(lsu_busm_clken), + .rawclk(clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(DEPTH_LOG2)) lsu_WrPtr0_rff( + .din(WrPtr0_m), + .dout(WrPtr0_r), + .clk(lsu_c2_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(DEPTH_LOG2)) lsu_WrPtr1_rff( + .din(WrPtr1_m), + .dout(WrPtr1_r), + .clk(lsu_c2_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) lsu_busreq_rff( + .din((lsu_busreq_m & ~flush_r) & ~ld_full_hit_m), + .dout(lsu_busreq_r), + .clk(lsu_c2_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) lsu_nonblock_load_valid_rff( + .din(lsu_nonblock_load_valid_m), + .dout(lsu_nonblock_load_valid_r), + .clk(lsu_c2_r_clk), + .rst_l(rst_l) + ); +endmodule +module eb1_lsu_bus_intf ( + clk, + clk_override, + rst_l, + scan_mode, + dec_tlu_external_ldfwd_disable, + dec_tlu_wb_coalescing_disable, + dec_tlu_sideeffect_posted_disable, + lsu_bus_obuf_c1_clken, + lsu_busm_clken, + lsu_c1_r_clk, + lsu_c2_r_clk, + lsu_bus_ibuf_c1_clk, + lsu_bus_obuf_c1_clk, + lsu_bus_buf_c1_clk, + lsu_free_c2_clk, + active_clk, + lsu_busm_clk, + dec_lsu_valid_raw_d, + lsu_busreq_m, + lsu_pkt_m, + lsu_pkt_r, + lsu_addr_m, + lsu_addr_r, + end_addr_m, + end_addr_r, + store_data_r, + dec_tlu_force_halt, + lsu_commit_r, + is_sideeffects_m, + flush_m_up, + flush_r, + ldst_dual_d, + ldst_dual_m, + ldst_dual_r, + lsu_busreq_r, + lsu_bus_buffer_pend_any, + lsu_bus_buffer_full_any, + lsu_bus_buffer_empty_any, + bus_read_data_m, + lsu_imprecise_error_load_any, + lsu_imprecise_error_store_any, + lsu_imprecise_error_addr_any, + lsu_nonblock_load_valid_m, + lsu_nonblock_load_tag_m, + lsu_nonblock_load_inv_r, + lsu_nonblock_load_inv_tag_r, + lsu_nonblock_load_data_valid, + lsu_nonblock_load_data_error, + lsu_nonblock_load_data_tag, + lsu_nonblock_load_data, + lsu_pmu_bus_trxn, + lsu_pmu_bus_misaligned, + lsu_pmu_bus_error, + lsu_pmu_bus_busy, + lsu_axi_awvalid, + lsu_axi_awready, + lsu_axi_awid, + lsu_axi_awaddr, + lsu_axi_awregion, + lsu_axi_awlen, + lsu_axi_awsize, + lsu_axi_awburst, + lsu_axi_awlock, + lsu_axi_awcache, + lsu_axi_awprot, + lsu_axi_awqos, + lsu_axi_wvalid, + lsu_axi_wready, + lsu_axi_wdata, + lsu_axi_wstrb, + lsu_axi_wlast, + lsu_axi_bvalid, + lsu_axi_bready, + lsu_axi_bresp, + lsu_axi_bid, + lsu_axi_arvalid, + lsu_axi_arready, + lsu_axi_arid, + lsu_axi_araddr, + lsu_axi_arregion, + lsu_axi_arlen, + lsu_axi_arsize, + lsu_axi_arburst, + lsu_axi_arlock, + lsu_axi_arcache, + lsu_axi_arprot, + lsu_axi_arqos, + lsu_axi_rvalid, + lsu_axi_rready, + lsu_axi_rid, + lsu_axi_rdata, + lsu_axi_rresp, + lsu_bus_clk_en +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire clk_override; + input wire rst_l; + input wire scan_mode; + input wire dec_tlu_external_ldfwd_disable; + input wire dec_tlu_wb_coalescing_disable; + input wire dec_tlu_sideeffect_posted_disable; + input wire lsu_bus_obuf_c1_clken; + input wire lsu_busm_clken; + input wire lsu_c1_r_clk; + input wire lsu_c2_r_clk; + input wire lsu_bus_ibuf_c1_clk; + input wire lsu_bus_obuf_c1_clk; + input wire lsu_bus_buf_c1_clk; + input wire lsu_free_c2_clk; + input wire active_clk; + input wire lsu_busm_clk; + input wire dec_lsu_valid_raw_d; + input wire lsu_busreq_m; + input wire [13:0] lsu_pkt_m; + input wire [13:0] lsu_pkt_r; + input wire [31:0] lsu_addr_m; + input wire [31:0] lsu_addr_r; + input wire [31:0] end_addr_m; + input wire [31:0] end_addr_r; + input wire [31:0] store_data_r; + input wire dec_tlu_force_halt; + input wire lsu_commit_r; + input wire is_sideeffects_m; + input wire flush_m_up; + input wire flush_r; + input wire ldst_dual_d; + input wire ldst_dual_m; + input wire ldst_dual_r; + output wire lsu_busreq_r; + output wire lsu_bus_buffer_pend_any; + output wire lsu_bus_buffer_full_any; + output wire lsu_bus_buffer_empty_any; + output wire [31:0] bus_read_data_m; + output wire lsu_imprecise_error_load_any; + output wire lsu_imprecise_error_store_any; + output wire [31:0] lsu_imprecise_error_addr_any; + output wire lsu_nonblock_load_valid_m; + output wire [pt[164-:7] - 1:0] lsu_nonblock_load_tag_m; + output wire lsu_nonblock_load_inv_r; + output wire [pt[164-:7] - 1:0] lsu_nonblock_load_inv_tag_r; + output wire lsu_nonblock_load_data_valid; + output wire lsu_nonblock_load_data_error; + output wire [pt[164-:7] - 1:0] lsu_nonblock_load_data_tag; + output wire [31:0] lsu_nonblock_load_data; + output wire lsu_pmu_bus_trxn; + output wire lsu_pmu_bus_misaligned; + output wire lsu_pmu_bus_error; + output wire lsu_pmu_bus_busy; + output wire lsu_axi_awvalid; + input wire lsu_axi_awready; + output wire [pt[181-:8] - 1:0] lsu_axi_awid; + output wire [31:0] lsu_axi_awaddr; + output wire [3:0] lsu_axi_awregion; + output wire [7:0] lsu_axi_awlen; + output wire [2:0] lsu_axi_awsize; + output wire [1:0] lsu_axi_awburst; + output wire lsu_axi_awlock; + output wire [3:0] lsu_axi_awcache; + output wire [2:0] lsu_axi_awprot; + output wire [3:0] lsu_axi_awqos; + output wire lsu_axi_wvalid; + input wire lsu_axi_wready; + output wire [63:0] lsu_axi_wdata; + output wire [7:0] lsu_axi_wstrb; + output wire lsu_axi_wlast; + input wire lsu_axi_bvalid; + output wire lsu_axi_bready; + input wire [1:0] lsu_axi_bresp; + input wire [pt[181-:8] - 1:0] lsu_axi_bid; + output wire lsu_axi_arvalid; + input wire lsu_axi_arready; + output wire [pt[181-:8] - 1:0] lsu_axi_arid; + output wire [31:0] lsu_axi_araddr; + output wire [3:0] lsu_axi_arregion; + output wire [7:0] lsu_axi_arlen; + output wire [2:0] lsu_axi_arsize; + output wire [1:0] lsu_axi_arburst; + output wire lsu_axi_arlock; + output wire [3:0] lsu_axi_arcache; + output wire [2:0] lsu_axi_arprot; + output wire [3:0] lsu_axi_arqos; + input wire lsu_axi_rvalid; + output wire lsu_axi_rready; + input wire [pt[181-:8] - 1:0] lsu_axi_rid; + input wire [63:0] lsu_axi_rdata; + input wire [1:0] lsu_axi_rresp; + input wire lsu_bus_clk_en; + wire lsu_bus_clk_en_q; + wire [3:0] ldst_byteen_m; + wire [3:0] ldst_byteen_r; + wire [7:0] ldst_byteen_ext_m; + wire [7:0] ldst_byteen_ext_r; + wire [3:0] ldst_byteen_hi_m; + wire [3:0] ldst_byteen_hi_r; + wire [3:0] ldst_byteen_lo_m; + wire [3:0] ldst_byteen_lo_r; + wire is_sideeffects_r; + wire [63:0] store_data_ext_r; + wire [31:0] store_data_hi_r; + wire [31:0] store_data_lo_r; + wire addr_match_dw_lo_r_m; + wire addr_match_word_lo_r_m; + wire no_word_merge_r; + wire no_dword_merge_r; + wire ld_addr_rhit_lo_lo; + wire ld_addr_rhit_hi_lo; + wire ld_addr_rhit_lo_hi; + wire ld_addr_rhit_hi_hi; + wire [3:0] ld_byte_rhit_lo_lo; + wire [3:0] ld_byte_rhit_hi_lo; + wire [3:0] ld_byte_rhit_lo_hi; + wire [3:0] ld_byte_rhit_hi_hi; + wire [3:0] ld_byte_hit_lo; + wire [3:0] ld_byte_rhit_lo; + wire [3:0] ld_byte_hit_hi; + wire [3:0] ld_byte_rhit_hi; + wire [31:0] ld_fwddata_rpipe_lo; + wire [31:0] ld_fwddata_rpipe_hi; + wire [3:0] ld_byte_hit_buf_lo; + wire [3:0] ld_byte_hit_buf_hi; + wire [31:0] ld_fwddata_buf_lo; + wire [31:0] ld_fwddata_buf_hi; + wire [63:0] ld_fwddata_lo; + wire [63:0] ld_fwddata_hi; + wire [63:0] ld_fwddata_m; + reg ld_full_hit_hi_m; + reg ld_full_hit_lo_m; + wire ld_full_hit_m; + assign ldst_byteen_m[3:0] = (({4 {lsu_pkt_m[11]}} & 4'b0001) | ({4 {lsu_pkt_m[10]}} & 4'b0011)) | ({4 {lsu_pkt_m[9]}} & 4'b1111); + eb1_lsu_bus_buffer #(.pt(pt)) bus_buffer( + .clk(clk), + .clk_override(clk_override), + .rst_l(rst_l), + .scan_mode(scan_mode), + .dec_tlu_external_ldfwd_disable(dec_tlu_external_ldfwd_disable), + .dec_tlu_wb_coalescing_disable(dec_tlu_wb_coalescing_disable), + .dec_tlu_sideeffect_posted_disable(dec_tlu_sideeffect_posted_disable), + .dec_tlu_force_halt(dec_tlu_force_halt), + .lsu_bus_obuf_c1_clken(lsu_bus_obuf_c1_clken), + .lsu_busm_clken(lsu_busm_clken), + .lsu_c2_r_clk(lsu_c2_r_clk), + .lsu_bus_ibuf_c1_clk(lsu_bus_ibuf_c1_clk), + .lsu_bus_obuf_c1_clk(lsu_bus_obuf_c1_clk), + .lsu_bus_buf_c1_clk(lsu_bus_buf_c1_clk), + .lsu_free_c2_clk(lsu_free_c2_clk), + .lsu_busm_clk(lsu_busm_clk), + .dec_lsu_valid_raw_d(dec_lsu_valid_raw_d), + .lsu_pkt_m(lsu_pkt_m), + .lsu_pkt_r(lsu_pkt_r), + .lsu_addr_m(lsu_addr_m), + .end_addr_m(end_addr_m), + .lsu_addr_r(lsu_addr_r), + .end_addr_r(end_addr_r), + .store_data_r(store_data_r), + .no_word_merge_r(no_word_merge_r), + .no_dword_merge_r(no_dword_merge_r), + .lsu_busreq_m(lsu_busreq_m), + .lsu_busreq_r(lsu_busreq_r), + .ld_full_hit_m(ld_full_hit_m), + .flush_m_up(flush_m_up), + .flush_r(flush_r), + .lsu_commit_r(lsu_commit_r), + .is_sideeffects_r(is_sideeffects_r), + .ldst_dual_d(ldst_dual_d), + .ldst_dual_m(ldst_dual_m), + .ldst_dual_r(ldst_dual_r), + .ldst_byteen_ext_m(ldst_byteen_ext_m), + .lsu_bus_buffer_pend_any(lsu_bus_buffer_pend_any), + .lsu_bus_buffer_full_any(lsu_bus_buffer_full_any), + .lsu_bus_buffer_empty_any(lsu_bus_buffer_empty_any), + .ld_byte_hit_buf_lo(ld_byte_hit_buf_lo), + .ld_byte_hit_buf_hi(ld_byte_hit_buf_hi), + .ld_fwddata_buf_lo(ld_fwddata_buf_lo), + .ld_fwddata_buf_hi(ld_fwddata_buf_hi), + .lsu_imprecise_error_load_any(lsu_imprecise_error_load_any), + .lsu_imprecise_error_store_any(lsu_imprecise_error_store_any), + .lsu_imprecise_error_addr_any(lsu_imprecise_error_addr_any), + .lsu_nonblock_load_valid_m(lsu_nonblock_load_valid_m), + .lsu_nonblock_load_tag_m(lsu_nonblock_load_tag_m), + .lsu_nonblock_load_inv_r(lsu_nonblock_load_inv_r), + .lsu_nonblock_load_inv_tag_r(lsu_nonblock_load_inv_tag_r), + .lsu_nonblock_load_data_valid(lsu_nonblock_load_data_valid), + .lsu_nonblock_load_data_error(lsu_nonblock_load_data_error), + .lsu_nonblock_load_data_tag(lsu_nonblock_load_data_tag), + .lsu_nonblock_load_data(lsu_nonblock_load_data), + .lsu_pmu_bus_trxn(lsu_pmu_bus_trxn), + .lsu_pmu_bus_misaligned(lsu_pmu_bus_misaligned), + .lsu_pmu_bus_error(lsu_pmu_bus_error), + .lsu_pmu_bus_busy(lsu_pmu_bus_busy), + .lsu_axi_awvalid(lsu_axi_awvalid), + .lsu_axi_awready(lsu_axi_awready), + .lsu_axi_awid(lsu_axi_awid), + .lsu_axi_awaddr(lsu_axi_awaddr), + .lsu_axi_awregion(lsu_axi_awregion), + .lsu_axi_awlen(lsu_axi_awlen), + .lsu_axi_awsize(lsu_axi_awsize), + .lsu_axi_awburst(lsu_axi_awburst), + .lsu_axi_awlock(lsu_axi_awlock), + .lsu_axi_awcache(lsu_axi_awcache), + .lsu_axi_awprot(lsu_axi_awprot), + .lsu_axi_awqos(lsu_axi_awqos), + .lsu_axi_wvalid(lsu_axi_wvalid), + .lsu_axi_wready(lsu_axi_wready), + .lsu_axi_wdata(lsu_axi_wdata), + .lsu_axi_wstrb(lsu_axi_wstrb), + .lsu_axi_wlast(lsu_axi_wlast), + .lsu_axi_bvalid(lsu_axi_bvalid), + .lsu_axi_bready(lsu_axi_bready), + .lsu_axi_bresp(lsu_axi_bresp), + .lsu_axi_bid(lsu_axi_bid), + .lsu_axi_arvalid(lsu_axi_arvalid), + .lsu_axi_arready(lsu_axi_arready), + .lsu_axi_arid(lsu_axi_arid), + .lsu_axi_araddr(lsu_axi_araddr), + .lsu_axi_arregion(lsu_axi_arregion), + .lsu_axi_arlen(lsu_axi_arlen), + .lsu_axi_arsize(lsu_axi_arsize), + .lsu_axi_arburst(lsu_axi_arburst), + .lsu_axi_arlock(lsu_axi_arlock), + .lsu_axi_arcache(lsu_axi_arcache), + .lsu_axi_arprot(lsu_axi_arprot), + .lsu_axi_arqos(lsu_axi_arqos), + .lsu_axi_rvalid(lsu_axi_rvalid), + .lsu_axi_rready(lsu_axi_rready), + .lsu_axi_rid(lsu_axi_rid), + .lsu_axi_rdata(lsu_axi_rdata), + .lsu_axi_rresp(lsu_axi_rresp), + .lsu_bus_clk_en(lsu_bus_clk_en), + .lsu_bus_clk_en_q(lsu_bus_clk_en_q) + ); + assign addr_match_dw_lo_r_m = lsu_addr_r[31:3] == lsu_addr_m[31:3]; + assign addr_match_word_lo_r_m = addr_match_dw_lo_r_m & ~(lsu_addr_r[2] ^ lsu_addr_m[2]); + assign no_word_merge_r = ((lsu_busreq_r & ~ldst_dual_r) & lsu_busreq_m) & (lsu_pkt_m[7] | ~addr_match_word_lo_r_m); + assign no_dword_merge_r = ((lsu_busreq_r & ~ldst_dual_r) & lsu_busreq_m) & (lsu_pkt_m[7] | ~addr_match_dw_lo_r_m); + assign ldst_byteen_ext_m[7:0] = {4'b0000, ldst_byteen_m[3:0]} << lsu_addr_m[1:0]; + assign ldst_byteen_ext_r[7:0] = {4'b0000, ldst_byteen_r[3:0]} << lsu_addr_r[1:0]; + assign store_data_ext_r[63:0] = {32'b00000000000000000000000000000000, store_data_r[31:0]} << {lsu_addr_r[1:0], 3'b000}; + assign ldst_byteen_hi_m[3:0] = ldst_byteen_ext_m[7:4]; + assign ldst_byteen_lo_m[3:0] = ldst_byteen_ext_m[3:0]; + assign ldst_byteen_hi_r[3:0] = ldst_byteen_ext_r[7:4]; + assign ldst_byteen_lo_r[3:0] = ldst_byteen_ext_r[3:0]; + assign store_data_hi_r[31:0] = store_data_ext_r[63:32]; + assign store_data_lo_r[31:0] = store_data_ext_r[31:0]; + assign ld_addr_rhit_lo_lo = (((lsu_addr_m[31:2] == lsu_addr_r[31:2]) & lsu_pkt_r[0]) & lsu_pkt_r[6]) & lsu_busreq_m; + assign ld_addr_rhit_lo_hi = (((end_addr_m[31:2] == lsu_addr_r[31:2]) & lsu_pkt_r[0]) & lsu_pkt_r[6]) & lsu_busreq_m; + assign ld_addr_rhit_hi_lo = (((lsu_addr_m[31:2] == end_addr_r[31:2]) & lsu_pkt_r[0]) & lsu_pkt_r[6]) & lsu_busreq_m; + assign ld_addr_rhit_hi_hi = (((end_addr_m[31:2] == end_addr_r[31:2]) & lsu_pkt_r[0]) & lsu_pkt_r[6]) & lsu_busreq_m; + generate + genvar i; + for (i = 0; i < 4; i = i + 1) begin : GenBusBufFwd + assign ld_byte_rhit_lo_lo[i] = (ld_addr_rhit_lo_lo & ldst_byteen_lo_r[i]) & ldst_byteen_lo_m[i]; + assign ld_byte_rhit_lo_hi[i] = (ld_addr_rhit_lo_hi & ldst_byteen_lo_r[i]) & ldst_byteen_hi_m[i]; + assign ld_byte_rhit_hi_lo[i] = (ld_addr_rhit_hi_lo & ldst_byteen_hi_r[i]) & ldst_byteen_lo_m[i]; + assign ld_byte_rhit_hi_hi[i] = (ld_addr_rhit_hi_hi & ldst_byteen_hi_r[i]) & ldst_byteen_hi_m[i]; + assign ld_byte_hit_lo[i] = (ld_byte_rhit_lo_lo[i] | ld_byte_rhit_hi_lo[i]) | ld_byte_hit_buf_lo[i]; + assign ld_byte_hit_hi[i] = (ld_byte_rhit_lo_hi[i] | ld_byte_rhit_hi_hi[i]) | ld_byte_hit_buf_hi[i]; + assign ld_byte_rhit_lo[i] = ld_byte_rhit_lo_lo[i] | ld_byte_rhit_hi_lo[i]; + assign ld_byte_rhit_hi[i] = ld_byte_rhit_lo_hi[i] | ld_byte_rhit_hi_hi[i]; + assign ld_fwddata_rpipe_lo[(8 * i) + 7:8 * i] = ({8 {ld_byte_rhit_lo_lo[i]}} & store_data_lo_r[(8 * i) + 7:8 * i]) | ({8 {ld_byte_rhit_hi_lo[i]}} & store_data_hi_r[(8 * i) + 7:8 * i]); + assign ld_fwddata_rpipe_hi[(8 * i) + 7:8 * i] = ({8 {ld_byte_rhit_lo_hi[i]}} & store_data_lo_r[(8 * i) + 7:8 * i]) | ({8 {ld_byte_rhit_hi_hi[i]}} & store_data_hi_r[(8 * i) + 7:8 * i]); + assign ld_fwddata_lo[(8 * i) + 7:8 * i] = (ld_byte_rhit_lo[i] ? ld_fwddata_rpipe_lo[(8 * i) + 7:8 * i] : ld_fwddata_buf_lo[(8 * i) + 7:8 * i]); + assign ld_fwddata_hi[(8 * i) + 7:8 * i] = (ld_byte_rhit_hi[i] ? ld_fwddata_rpipe_hi[(8 * i) + 7:8 * i] : ld_fwddata_buf_hi[(8 * i) + 7:8 * i]); + end + endgenerate + always @(*) begin + ld_full_hit_lo_m = 1'b1; + ld_full_hit_hi_m = 1'b1; + begin : sv2v_autoblock_58 + reg signed [31:0] i; + for (i = 0; i < 4; i = i + 1) + begin + ld_full_hit_lo_m = ld_full_hit_lo_m & (ld_byte_hit_lo[i] | ~ldst_byteen_lo_m[i]); + ld_full_hit_hi_m = ld_full_hit_hi_m & (ld_byte_hit_hi[i] | ~ldst_byteen_hi_m[i]); + end + end + end + assign ld_full_hit_m = (((ld_full_hit_lo_m & ld_full_hit_hi_m) & lsu_busreq_m) & lsu_pkt_m[7]) & ~is_sideeffects_m; + assign ld_fwddata_m[63:0] = {ld_fwddata_hi[31:0], ld_fwddata_lo[31:0]} >> (8 * lsu_addr_m[1:0]); + assign bus_read_data_m[31:0] = ld_fwddata_m[31:0]; + rvdff #(.WIDTH(1)) clken_ff( + .din(lsu_bus_clk_en), + .dout(lsu_bus_clk_en_q), + .clk(active_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) is_sideeffects_rff( + .din(is_sideeffects_m), + .dout(is_sideeffects_r), + .clk(lsu_c1_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(4)) lsu_byten_rff( + .rst_l(rst_l), + .din(ldst_byteen_m[3:0]), + .dout(ldst_byteen_r[3:0]), + .clk(lsu_c1_r_clk) + ); +endmodule +module eb1_lsu_clkdomain ( + clk, + active_clk, + rst_l, + dec_tlu_force_halt, + clk_override, + dma_dccm_req, + ldst_stbuf_reqvld_r, + stbuf_reqvld_any, + stbuf_reqvld_flushed_any, + lsu_busreq_r, + lsu_bus_buffer_pend_any, + lsu_bus_buffer_empty_any, + lsu_stbuf_empty_any, + lsu_bus_clk_en, + lsu_p, + lsu_pkt_d, + lsu_pkt_m, + lsu_pkt_r, + lsu_bus_obuf_c1_clken, + lsu_busm_clken, + lsu_c1_m_clk, + lsu_c1_r_clk, + lsu_c2_m_clk, + lsu_c2_r_clk, + lsu_store_c1_m_clk, + lsu_store_c1_r_clk, + lsu_stbuf_c1_clk, + lsu_bus_obuf_c1_clk, + lsu_bus_ibuf_c1_clk, + lsu_bus_buf_c1_clk, + lsu_busm_clk, + lsu_free_c2_clk, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire active_clk; + input wire rst_l; + input wire dec_tlu_force_halt; + input wire clk_override; + input wire dma_dccm_req; + input wire ldst_stbuf_reqvld_r; + input wire stbuf_reqvld_any; + input wire stbuf_reqvld_flushed_any; + input wire lsu_busreq_r; + input wire lsu_bus_buffer_pend_any; + input wire lsu_bus_buffer_empty_any; + input wire lsu_stbuf_empty_any; + input wire lsu_bus_clk_en; + input wire [13:0] lsu_p; + input wire [13:0] lsu_pkt_d; + input wire [13:0] lsu_pkt_m; + input wire [13:0] lsu_pkt_r; + output wire lsu_bus_obuf_c1_clken; + output wire lsu_busm_clken; + output wire lsu_c1_m_clk; + output wire lsu_c1_r_clk; + output wire lsu_c2_m_clk; + output wire lsu_c2_r_clk; + output wire lsu_store_c1_m_clk; + output wire lsu_store_c1_r_clk; + output wire lsu_stbuf_c1_clk; + output wire lsu_bus_obuf_c1_clk; + output wire lsu_bus_ibuf_c1_clk; + output wire lsu_bus_buf_c1_clk; + output wire lsu_busm_clk; + output wire lsu_free_c2_clk; + input wire scan_mode; + wire lsu_c1_m_clken; + wire lsu_c1_r_clken; + wire lsu_c2_m_clken; + wire lsu_c2_r_clken; + wire lsu_c1_m_clken_q; + wire lsu_c1_r_clken_q; + wire lsu_store_c1_m_clken; + wire lsu_store_c1_r_clken; + wire lsu_stbuf_c1_clken; + wire lsu_bus_ibuf_c1_clken; + wire lsu_bus_buf_c1_clken; + wire lsu_free_c1_clken; + wire lsu_free_c1_clken_q; + wire lsu_free_c2_clken; + assign lsu_c1_m_clken = (lsu_p[0] | dma_dccm_req) | clk_override; + assign lsu_c1_r_clken = (lsu_pkt_m[0] | lsu_c1_m_clken_q) | clk_override; + assign lsu_c2_m_clken = (lsu_c1_m_clken | lsu_c1_m_clken_q) | clk_override; + assign lsu_c2_r_clken = (lsu_c1_r_clken | lsu_c1_r_clken_q) | clk_override; + assign lsu_store_c1_m_clken = (lsu_c1_m_clken & lsu_pkt_d[6]) | clk_override; + assign lsu_store_c1_r_clken = (lsu_c1_r_clken & lsu_pkt_m[6]) | clk_override; + assign lsu_stbuf_c1_clken = ((ldst_stbuf_reqvld_r | stbuf_reqvld_any) | stbuf_reqvld_flushed_any) | clk_override; + assign lsu_bus_ibuf_c1_clken = lsu_busreq_r | clk_override; + assign lsu_bus_obuf_c1_clken = ((lsu_bus_buffer_pend_any | lsu_busreq_r) | clk_override) & lsu_bus_clk_en; + assign lsu_bus_buf_c1_clken = ((~lsu_bus_buffer_empty_any | lsu_busreq_r) | dec_tlu_force_halt) | clk_override; + assign lsu_free_c1_clken = (((((lsu_p[0] | lsu_pkt_d[0]) | lsu_pkt_m[0]) | lsu_pkt_r[0]) | ~lsu_bus_buffer_empty_any) | ~lsu_stbuf_empty_any) | clk_override; + assign lsu_free_c2_clken = (lsu_free_c1_clken | lsu_free_c1_clken_q) | clk_override; + rvdff #(.WIDTH(1)) lsu_free_c1_clkenff( + .din(lsu_free_c1_clken), + .dout(lsu_free_c1_clken_q), + .clk(active_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) lsu_c1_m_clkenff( + .din(lsu_c1_m_clken), + .dout(lsu_c1_m_clken_q), + .clk(lsu_free_c2_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) lsu_c1_r_clkenff( + .din(lsu_c1_r_clken), + .dout(lsu_c1_r_clken_q), + .clk(lsu_free_c2_clk), + .rst_l(rst_l) + ); + rvoclkhdr lsu_c1m_cgc( + .en(lsu_c1_m_clken), + .l1clk(lsu_c1_m_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr lsu_c1r_cgc( + .en(lsu_c1_r_clken), + .l1clk(lsu_c1_r_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr lsu_c2m_cgc( + .en(lsu_c2_m_clken), + .l1clk(lsu_c2_m_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr lsu_c2r_cgc( + .en(lsu_c2_r_clken), + .l1clk(lsu_c2_r_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr lsu_store_c1m_cgc( + .en(lsu_store_c1_m_clken), + .l1clk(lsu_store_c1_m_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr lsu_store_c1r_cgc( + .en(lsu_store_c1_r_clken), + .l1clk(lsu_store_c1_r_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr lsu_stbuf_c1_cgc( + .en(lsu_stbuf_c1_clken), + .l1clk(lsu_stbuf_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr lsu_bus_ibuf_c1_cgc( + .en(lsu_bus_ibuf_c1_clken), + .l1clk(lsu_bus_ibuf_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr lsu_bus_buf_c1_cgc( + .en(lsu_bus_buf_c1_clken), + .l1clk(lsu_bus_buf_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + assign lsu_busm_clken = ((~lsu_bus_buffer_empty_any | lsu_busreq_r) | clk_override) & lsu_bus_clk_en; + rvclkhdr lsu_bus_obuf_c1_cgc( + .en(lsu_bus_obuf_c1_clken), + .l1clk(lsu_bus_obuf_c1_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvclkhdr lsu_busm_cgc( + .en(lsu_busm_clken), + .l1clk(lsu_busm_clk), + .clk(clk), + .scan_mode(scan_mode) + ); + rvoclkhdr lsu_free_cgc( + .en(lsu_free_c2_clken), + .l1clk(lsu_free_c2_clk), + .clk(clk), + .scan_mode(scan_mode) + ); +endmodule +module eb1_lsu_dccm_ctl ( + lsu_c2_m_clk, + lsu_c2_r_clk, + lsu_c1_r_clk, + lsu_store_c1_r_clk, + lsu_free_c2_clk, + clk_override, + clk, + rst_l, + lsu_pkt_r, + lsu_pkt_m, + lsu_pkt_d, + addr_in_dccm_d, + addr_in_pic_d, + addr_in_pic_m, + addr_in_dccm_m, + addr_in_dccm_r, + addr_in_pic_r, + lsu_raw_fwd_lo_r, + lsu_raw_fwd_hi_r, + lsu_commit_r, + ldst_dual_m, + ldst_dual_r, + lsu_addr_d, + lsu_addr_m, + lsu_addr_r, + end_addr_d, + end_addr_m, + end_addr_r, + stbuf_reqvld_any, + stbuf_addr_any, + stbuf_data_any, + stbuf_ecc_any, + stbuf_fwddata_hi_m, + stbuf_fwddata_lo_m, + stbuf_fwdbyteen_hi_m, + stbuf_fwdbyteen_lo_m, + dccm_rdata_hi_r, + dccm_rdata_lo_r, + dccm_data_ecc_hi_r, + dccm_data_ecc_lo_r, + lsu_ld_data_r, + lsu_ld_data_corr_r, + lsu_double_ecc_error_r, + single_ecc_error_hi_r, + single_ecc_error_lo_r, + sec_data_hi_r, + sec_data_lo_r, + sec_data_hi_r_ff, + sec_data_lo_r_ff, + sec_data_ecc_hi_r_ff, + sec_data_ecc_lo_r_ff, + dccm_rdata_hi_m, + dccm_rdata_lo_m, + dccm_data_ecc_hi_m, + dccm_data_ecc_lo_m, + lsu_ld_data_m, + lsu_double_ecc_error_m, + sec_data_hi_m, + sec_data_lo_m, + store_data_m, + dma_dccm_wen, + dma_pic_wen, + dma_mem_tag_m, + dma_mem_addr, + dma_mem_wdata, + dma_dccm_wdata_lo, + dma_dccm_wdata_hi, + dma_dccm_wdata_ecc_hi, + dma_dccm_wdata_ecc_lo, + store_data_hi_r, + store_data_lo_r, + store_datafn_hi_r, + store_datafn_lo_r, + store_data_r, + ld_single_ecc_error_r, + ld_single_ecc_error_r_ff, + picm_mask_data_m, + lsu_stbuf_commit_any, + lsu_dccm_rden_m, + lsu_dccm_rden_r, + dccm_dma_rvalid, + dccm_dma_ecc_error, + dccm_dma_rtag, + dccm_dma_rdata, + dccm_wren, + dccm_rden, + dccm_wr_addr_lo, + dccm_wr_addr_hi, + dccm_rd_addr_lo, + dccm_rd_addr_hi, + dccm_wr_data_lo, + dccm_wr_data_hi, + dccm_rd_data_lo, + dccm_rd_data_hi, + picm_wren, + picm_rden, + picm_mken, + picm_rdaddr, + picm_wraddr, + picm_wr_data, + picm_rd_data, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire lsu_c2_m_clk; + input wire lsu_c2_r_clk; + input wire lsu_c1_r_clk; + input wire lsu_store_c1_r_clk; + input wire lsu_free_c2_clk; + input wire clk_override; + input wire clk; + input wire rst_l; + input wire [13:0] lsu_pkt_r; + input wire [13:0] lsu_pkt_m; + input wire [13:0] lsu_pkt_d; + input wire addr_in_dccm_d; + input wire addr_in_pic_d; + input wire addr_in_pic_m; + input wire addr_in_dccm_m; + input wire addr_in_dccm_r; + input wire addr_in_pic_r; + input wire lsu_raw_fwd_lo_r; + input wire lsu_raw_fwd_hi_r; + input wire lsu_commit_r; + input wire ldst_dual_m; + input wire ldst_dual_r; + input wire [31:0] lsu_addr_d; + input wire [pt[1398-:9] - 1:0] lsu_addr_m; + input wire [31:0] lsu_addr_r; + input wire [pt[1398-:9] - 1:0] end_addr_d; + input wire [pt[1398-:9] - 1:0] end_addr_m; + input wire [pt[1398-:9] - 1:0] end_addr_r; + input wire stbuf_reqvld_any; + input wire [pt[157-:9] - 1:0] stbuf_addr_any; + input wire [pt[1382-:10] - 1:0] stbuf_data_any; + input wire [pt[1372-:7] - 1:0] stbuf_ecc_any; + input wire [pt[1382-:10] - 1:0] stbuf_fwddata_hi_m; + input wire [pt[1382-:10] - 1:0] stbuf_fwddata_lo_m; + input wire [pt[1389-:7] - 1:0] stbuf_fwdbyteen_hi_m; + input wire [pt[1389-:7] - 1:0] stbuf_fwdbyteen_lo_m; + output wire [pt[1382-:10] - 1:0] dccm_rdata_hi_r; + output wire [pt[1382-:10] - 1:0] dccm_rdata_lo_r; + output wire [pt[1372-:7] - 1:0] dccm_data_ecc_hi_r; + output wire [pt[1372-:7] - 1:0] dccm_data_ecc_lo_r; + output wire [pt[1382-:10] - 1:0] lsu_ld_data_r; + output wire [pt[1382-:10] - 1:0] lsu_ld_data_corr_r; + input wire lsu_double_ecc_error_r; + input wire single_ecc_error_hi_r; + input wire single_ecc_error_lo_r; + input wire [pt[1382-:10] - 1:0] sec_data_hi_r; + input wire [pt[1382-:10] - 1:0] sec_data_lo_r; + input wire [pt[1382-:10] - 1:0] sec_data_hi_r_ff; + input wire [pt[1382-:10] - 1:0] sec_data_lo_r_ff; + input wire [pt[1372-:7] - 1:0] sec_data_ecc_hi_r_ff; + input wire [pt[1372-:7] - 1:0] sec_data_ecc_lo_r_ff; + output wire [pt[1382-:10] - 1:0] dccm_rdata_hi_m; + output wire [pt[1382-:10] - 1:0] dccm_rdata_lo_m; + output wire [pt[1372-:7] - 1:0] dccm_data_ecc_hi_m; + output wire [pt[1372-:7] - 1:0] dccm_data_ecc_lo_m; + output wire [pt[1382-:10] - 1:0] lsu_ld_data_m; + input wire lsu_double_ecc_error_m; + input wire [pt[1382-:10] - 1:0] sec_data_hi_m; + input wire [pt[1382-:10] - 1:0] sec_data_lo_m; + input wire [31:0] store_data_m; + input wire dma_dccm_wen; + input wire dma_pic_wen; + input wire [2:0] dma_mem_tag_m; + input wire [31:0] dma_mem_addr; + input wire [63:0] dma_mem_wdata; + input wire [31:0] dma_dccm_wdata_lo; + input wire [31:0] dma_dccm_wdata_hi; + input wire [pt[1372-:7] - 1:0] dma_dccm_wdata_ecc_hi; + input wire [pt[1372-:7] - 1:0] dma_dccm_wdata_ecc_lo; + output wire [pt[1382-:10] - 1:0] store_data_hi_r; + output wire [pt[1382-:10] - 1:0] store_data_lo_r; + output wire [pt[1382-:10] - 1:0] store_datafn_hi_r; + output wire [pt[1382-:10] - 1:0] store_datafn_lo_r; + output wire [31:0] store_data_r; + output wire ld_single_ecc_error_r; + output wire ld_single_ecc_error_r_ff; + output wire [31:0] picm_mask_data_m; + output wire lsu_stbuf_commit_any; + output wire lsu_dccm_rden_m; + output wire lsu_dccm_rden_r; + output wire dccm_dma_rvalid; + output wire dccm_dma_ecc_error; + output wire [2:0] dccm_dma_rtag; + output wire [63:0] dccm_dma_rdata; + output wire dccm_wren; + output wire dccm_rden; + output wire [pt[1398-:9] - 1:0] dccm_wr_addr_lo; + output wire [pt[1398-:9] - 1:0] dccm_wr_addr_hi; + output wire [pt[1398-:9] - 1:0] dccm_rd_addr_lo; + output wire [pt[1398-:9] - 1:0] dccm_rd_addr_hi; + output wire [pt[1360-:10] - 1:0] dccm_wr_data_lo; + output wire [pt[1360-:10] - 1:0] dccm_wr_data_hi; + input wire [pt[1360-:10] - 1:0] dccm_rd_data_lo; + input wire [pt[1360-:10] - 1:0] dccm_rd_data_hi; + output wire picm_wren; + output wire picm_rden; + output wire picm_mken; + output wire [31:0] picm_rdaddr; + output wire [31:0] picm_wraddr; + output wire [31:0] picm_wr_data; + input wire [31:0] picm_rd_data; + input wire scan_mode; + localparam DCCM_WIDTH_BITS = $clog2(pt[1389-:7]); + wire lsu_dccm_rden_d; + wire lsu_dccm_wren_d; + wire ld_single_ecc_error_lo_r; + wire ld_single_ecc_error_hi_r; + wire ld_single_ecc_error_lo_r_ns; + wire ld_single_ecc_error_hi_r_ns; + wire ld_single_ecc_error_lo_r_ff; + wire ld_single_ecc_error_hi_r_ff; + wire lsu_double_ecc_error_r_ff; + wire [pt[1398-:9] - 1:0] ld_sec_addr_lo_r_ff; + wire [pt[1398-:9] - 1:0] ld_sec_addr_hi_r_ff; + wire [pt[1382-:10] - 1:0] store_data_lo_r_in; + wire [pt[1382-:10] - 1:0] store_data_hi_r_in; + wire [63:0] picm_rd_data_m; + wire dccm_wr_bypass_d_m_hi; + wire dccm_wr_bypass_d_r_hi; + wire dccm_wr_bypass_d_m_lo; + wire dccm_wr_bypass_d_r_lo; + wire kill_ecc_corr_lo_r; + wire kill_ecc_corr_hi_r; + wire [3:0] store_byteen_m; + wire [3:0] store_byteen_r; + wire [7:0] store_byteen_ext_m; + wire [7:0] store_byteen_ext_r; + generate + if (pt[202-:5] == 1) begin : L2U_Plus1_1 + wire [63:0] lsu_rdata_r; + wire [63:0] lsu_rdata_corr_r; + wire [63:0] dccm_rdata_r; + wire [63:0] dccm_rdata_corr_r; + wire [63:0] stbuf_fwddata_r; + wire [7:0] stbuf_fwdbyteen_r; + wire [31:0] stbuf_fwddata_lo_r; + wire [31:0] stbuf_fwddata_hi_r; + wire [3:0] stbuf_fwdbyteen_lo_r; + wire [3:0] stbuf_fwdbyteen_hi_r; + wire [31:0] lsu_rdata_lo_r; + wire [31:0] lsu_rdata_hi_r; + wire [63:0] picm_rd_data_r; + wire [63:32] lsu_ld_data_r_nc; + wire [63:32] lsu_ld_data_corr_r_nc; + wire [2:0] dma_mem_tag_r; + wire stbuf_fwddata_en; + assign dccm_dma_rvalid = (lsu_pkt_r[0] & lsu_pkt_r[7]) & lsu_pkt_r[4]; + assign dccm_dma_ecc_error = lsu_double_ecc_error_r; + assign dccm_dma_rtag[2:0] = dma_mem_tag_r[2:0]; + assign dccm_dma_rdata[63:0] = (ldst_dual_r ? lsu_rdata_corr_r[63:0] : {2 {lsu_rdata_corr_r[31:0]}}); + assign {lsu_ld_data_r_nc[63:32], lsu_ld_data_r[31:0]} = lsu_rdata_r[63:0] >> (8 * lsu_addr_r[1:0]); + assign {lsu_ld_data_corr_r_nc[63:32], lsu_ld_data_corr_r[31:0]} = lsu_rdata_corr_r[63:0] >> (8 * lsu_addr_r[1:0]); + assign picm_rd_data_r[63:32] = picm_rd_data_r[31:0]; + assign dccm_rdata_r[63:0] = {dccm_rdata_hi_r[31:0], dccm_rdata_lo_r[31:0]}; + assign dccm_rdata_corr_r[63:0] = {sec_data_hi_r[31:0], sec_data_lo_r[31:0]}; + assign stbuf_fwddata_r[63:0] = {stbuf_fwddata_hi_r[31:0], stbuf_fwddata_lo_r[31:0]}; + assign stbuf_fwdbyteen_r[7:0] = {stbuf_fwdbyteen_hi_r[3:0], stbuf_fwdbyteen_lo_r[3:0]}; + assign stbuf_fwddata_en = (|stbuf_fwdbyteen_hi_m[3:0] | |stbuf_fwdbyteen_lo_m[3:0]) | clk_override; + genvar i; + for (i = 0; i < 8; i = i + 1) begin : GenDMAData + assign lsu_rdata_corr_r[(8 * i) + 7:8 * i] = (stbuf_fwdbyteen_r[i] ? stbuf_fwddata_r[(8 * i) + 7:8 * i] : (addr_in_pic_r ? picm_rd_data_r[(8 * i) + 7:8 * i] : {8 {addr_in_dccm_r}} & dccm_rdata_corr_r[(8 * i) + 7:8 * i])); + assign lsu_rdata_r[(8 * i) + 7:8 * i] = (stbuf_fwdbyteen_r[i] ? stbuf_fwddata_r[(8 * i) + 7:8 * i] : (addr_in_pic_r ? picm_rd_data_r[(8 * i) + 7:8 * i] : {8 {addr_in_dccm_r}} & dccm_rdata_r[(8 * i) + 7:8 * i])); + end + rvdffe #(.WIDTH(pt[1382-:10])) dccm_rdata_hi_r_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(dccm_rdata_hi_m[pt[1382-:10] - 1:0]), + .dout(dccm_rdata_hi_r[pt[1382-:10] - 1:0]), + .en((lsu_dccm_rden_m & ldst_dual_m) | clk_override) + ); + rvdffe #(.WIDTH(pt[1382-:10])) dccm_rdata_lo_r_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(dccm_rdata_lo_m[pt[1382-:10] - 1:0]), + .dout(dccm_rdata_lo_r[pt[1382-:10] - 1:0]), + .en(lsu_dccm_rden_m | clk_override) + ); + rvdffe #(.WIDTH(2 * pt[1372-:7])) dccm_data_ecc_r_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din({dccm_data_ecc_hi_m[pt[1372-:7] - 1:0], dccm_data_ecc_lo_m[pt[1372-:7] - 1:0]}), + .dout({dccm_data_ecc_hi_r[pt[1372-:7] - 1:0], dccm_data_ecc_lo_r[pt[1372-:7] - 1:0]}), + .en(lsu_dccm_rden_m | clk_override) + ); + rvdff #(.WIDTH(8)) stbuf_fwdbyteen_ff( + .rst_l(rst_l), + .din({stbuf_fwdbyteen_hi_m[3:0], stbuf_fwdbyteen_lo_m[3:0]}), + .dout({stbuf_fwdbyteen_hi_r[3:0], stbuf_fwdbyteen_lo_r[3:0]}), + .clk(lsu_c2_r_clk) + ); + rvdffe #(.WIDTH(64)) stbuf_fwddata_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din({stbuf_fwddata_hi_m[31:0], stbuf_fwddata_lo_m[31:0]}), + .dout({stbuf_fwddata_hi_r[31:0], stbuf_fwddata_lo_r[31:0]}), + .en(stbuf_fwddata_en) + ); + rvdffe #(.WIDTH(32)) picm_rddata_rff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(picm_rd_data_m[31:0]), + .dout(picm_rd_data_r[31:0]), + .en(addr_in_pic_m | clk_override) + ); + rvdff #(.WIDTH(3)) dma_mem_tag_rff( + .rst_l(rst_l), + .din(dma_mem_tag_m[2:0]), + .dout(dma_mem_tag_r[2:0]), + .clk(lsu_c1_r_clk) + ); + end + else begin : L2U_Plus1_0 + wire [63:0] lsu_rdata_m; + wire [63:0] lsu_rdata_corr_m; + wire [63:0] dccm_rdata_m; + wire [63:0] dccm_rdata_corr_m; + wire [63:0] stbuf_fwddata_m; + wire [7:0] stbuf_fwdbyteen_m; + wire [63:32] lsu_ld_data_m_nc; + wire [63:32] lsu_ld_data_corr_m_nc; + wire [31:0] lsu_ld_data_corr_m; + assign dccm_dma_rvalid = (lsu_pkt_m[0] & lsu_pkt_m[7]) & lsu_pkt_m[4]; + assign dccm_dma_ecc_error = lsu_double_ecc_error_m; + assign dccm_dma_rtag[2:0] = dma_mem_tag_m[2:0]; + assign dccm_dma_rdata[63:0] = (ldst_dual_m ? lsu_rdata_corr_m[63:0] : {2 {lsu_rdata_corr_m[31:0]}}); + assign {lsu_ld_data_m_nc[63:32], lsu_ld_data_m[31:0]} = lsu_rdata_m[63:0] >> (8 * lsu_addr_m[1:0]); + assign {lsu_ld_data_corr_m_nc[63:32], lsu_ld_data_corr_m[31:0]} = lsu_rdata_corr_m[63:0] >> (8 * lsu_addr_m[1:0]); + assign dccm_rdata_m[63:0] = {dccm_rdata_hi_m[31:0], dccm_rdata_lo_m[31:0]}; + assign dccm_rdata_corr_m[63:0] = {sec_data_hi_m[31:0], sec_data_lo_m[31:0]}; + assign stbuf_fwddata_m[63:0] = {stbuf_fwddata_hi_m[31:0], stbuf_fwddata_lo_m[31:0]}; + assign stbuf_fwdbyteen_m[7:0] = {stbuf_fwdbyteen_hi_m[3:0], stbuf_fwdbyteen_lo_m[3:0]}; + genvar i; + for (i = 0; i < 8; i = i + 1) begin : GenLoop + assign lsu_rdata_corr_m[(8 * i) + 7:8 * i] = (stbuf_fwdbyteen_m[i] ? stbuf_fwddata_m[(8 * i) + 7:8 * i] : (addr_in_pic_m ? picm_rd_data_m[(8 * i) + 7:8 * i] : {8 {addr_in_dccm_m}} & dccm_rdata_corr_m[(8 * i) + 7:8 * i])); + assign lsu_rdata_m[(8 * i) + 7:8 * i] = (stbuf_fwdbyteen_m[i] ? stbuf_fwddata_m[(8 * i) + 7:8 * i] : (addr_in_pic_m ? picm_rd_data_m[(8 * i) + 7:8 * i] : {8 {addr_in_dccm_m}} & dccm_rdata_m[(8 * i) + 7:8 * i])); + end + rvdffe #(.WIDTH(32)) lsu_ld_data_corr_rff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(lsu_ld_data_corr_m[31:0]), + .dout(lsu_ld_data_corr_r[31:0]), + .en(((lsu_pkt_m[0] & lsu_pkt_m[7]) & (addr_in_pic_m | addr_in_dccm_m)) | clk_override) + ); + end + endgenerate + assign kill_ecc_corr_lo_r = ((((((lsu_addr_d[pt[1398-:9] - 1:2] == lsu_addr_r[pt[1398-:9] - 1:2]) | (end_addr_d[pt[1398-:9] - 1:2] == lsu_addr_r[pt[1398-:9] - 1:2])) & lsu_pkt_d[0]) & lsu_pkt_d[6]) & lsu_pkt_d[4]) & addr_in_dccm_d) | ((((((lsu_addr_m[pt[1398-:9] - 1:2] == lsu_addr_r[pt[1398-:9] - 1:2]) | (end_addr_m[pt[1398-:9] - 1:2] == lsu_addr_r[pt[1398-:9] - 1:2])) & lsu_pkt_m[0]) & lsu_pkt_m[6]) & lsu_pkt_m[4]) & addr_in_dccm_m); + assign kill_ecc_corr_hi_r = ((((((lsu_addr_d[pt[1398-:9] - 1:2] == end_addr_r[pt[1398-:9] - 1:2]) | (end_addr_d[pt[1398-:9] - 1:2] == end_addr_r[pt[1398-:9] - 1:2])) & lsu_pkt_d[0]) & lsu_pkt_d[6]) & lsu_pkt_d[4]) & addr_in_dccm_d) | ((((((lsu_addr_m[pt[1398-:9] - 1:2] == end_addr_r[pt[1398-:9] - 1:2]) | (end_addr_m[pt[1398-:9] - 1:2] == end_addr_r[pt[1398-:9] - 1:2])) & lsu_pkt_m[0]) & lsu_pkt_m[6]) & lsu_pkt_m[4]) & addr_in_dccm_m); + assign ld_single_ecc_error_lo_r = (lsu_pkt_r[7] & single_ecc_error_lo_r) & ~lsu_raw_fwd_lo_r; + assign ld_single_ecc_error_hi_r = (lsu_pkt_r[7] & single_ecc_error_hi_r) & ~lsu_raw_fwd_hi_r; + assign ld_single_ecc_error_r = (ld_single_ecc_error_lo_r | ld_single_ecc_error_hi_r) & ~lsu_double_ecc_error_r; + assign ld_single_ecc_error_lo_r_ns = (ld_single_ecc_error_lo_r & (lsu_commit_r | lsu_pkt_r[4])) & ~kill_ecc_corr_lo_r; + assign ld_single_ecc_error_hi_r_ns = (ld_single_ecc_error_hi_r & (lsu_commit_r | lsu_pkt_r[4])) & ~kill_ecc_corr_hi_r; + assign ld_single_ecc_error_r_ff = (ld_single_ecc_error_lo_r_ff | ld_single_ecc_error_hi_r_ff) & ~lsu_double_ecc_error_r_ff; + assign lsu_stbuf_commit_any = stbuf_reqvld_any & (~((lsu_dccm_rden_d | lsu_dccm_wren_d) | ld_single_ecc_error_r_ff) | (lsu_dccm_rden_d & ~((stbuf_addr_any[pt[1275-:6]+:pt[1405-:7]] == lsu_addr_d[pt[1275-:6]+:pt[1405-:7]]) | (stbuf_addr_any[pt[1275-:6]+:pt[1405-:7]] == end_addr_d[pt[1275-:6]+:pt[1405-:7]])))); + assign lsu_dccm_rden_d = (lsu_pkt_d[0] & (lsu_pkt_d[7] | (lsu_pkt_d[6] & (~(lsu_pkt_d[9] | lsu_pkt_d[8]) | (lsu_addr_d[1:0] != 2'b00))))) & addr_in_dccm_d; + assign lsu_dccm_wren_d = dma_dccm_wen; + assign dccm_wren = (lsu_dccm_wren_d | lsu_stbuf_commit_any) | ld_single_ecc_error_r_ff; + assign dccm_rden = lsu_dccm_rden_d & addr_in_dccm_d; + assign dccm_wr_addr_lo[pt[1398-:9] - 1:0] = (ld_single_ecc_error_r_ff ? (ld_single_ecc_error_lo_r_ff ? ld_sec_addr_lo_r_ff[pt[1398-:9] - 1:0] : ld_sec_addr_hi_r_ff[pt[1398-:9] - 1:0]) : (lsu_dccm_wren_d ? lsu_addr_d[pt[1398-:9] - 1:0] : stbuf_addr_any[pt[1398-:9] - 1:0])); + assign dccm_wr_addr_hi[pt[1398-:9] - 1:0] = (ld_single_ecc_error_r_ff ? (ld_single_ecc_error_hi_r_ff ? ld_sec_addr_hi_r_ff[pt[1398-:9] - 1:0] : ld_sec_addr_lo_r_ff[pt[1398-:9] - 1:0]) : (lsu_dccm_wren_d ? end_addr_d[pt[1398-:9] - 1:0] : stbuf_addr_any[pt[1398-:9] - 1:0])); + assign dccm_rd_addr_lo[pt[1398-:9] - 1:0] = lsu_addr_d[pt[1398-:9] - 1:0]; + assign dccm_rd_addr_hi[pt[1398-:9] - 1:0] = end_addr_d[pt[1398-:9] - 1:0]; + assign dccm_wr_data_lo[pt[1360-:10] - 1:0] = (ld_single_ecc_error_r_ff ? (ld_single_ecc_error_lo_r_ff ? {sec_data_ecc_lo_r_ff[pt[1372-:7] - 1:0], sec_data_lo_r_ff[pt[1382-:10] - 1:0]} : {sec_data_ecc_hi_r_ff[pt[1372-:7] - 1:0], sec_data_hi_r_ff[pt[1382-:10] - 1:0]}) : (dma_dccm_wen ? {dma_dccm_wdata_ecc_lo[pt[1372-:7] - 1:0], dma_dccm_wdata_lo[pt[1382-:10] - 1:0]} : {stbuf_ecc_any[pt[1372-:7] - 1:0], stbuf_data_any[pt[1382-:10] - 1:0]})); + assign dccm_wr_data_hi[pt[1360-:10] - 1:0] = (ld_single_ecc_error_r_ff ? (ld_single_ecc_error_hi_r_ff ? {sec_data_ecc_hi_r_ff[pt[1372-:7] - 1:0], sec_data_hi_r_ff[pt[1382-:10] - 1:0]} : {sec_data_ecc_lo_r_ff[pt[1372-:7] - 1:0], sec_data_lo_r_ff[pt[1382-:10] - 1:0]}) : (dma_dccm_wen ? {dma_dccm_wdata_ecc_hi[pt[1372-:7] - 1:0], dma_dccm_wdata_hi[pt[1382-:10] - 1:0]} : {stbuf_ecc_any[pt[1372-:7] - 1:0], stbuf_data_any[pt[1382-:10] - 1:0]})); + assign store_byteen_m[3:0] = {4 {lsu_pkt_m[6]}} & ((({4 {lsu_pkt_m[11]}} & 4'b0001) | ({4 {lsu_pkt_m[10]}} & 4'b0011)) | ({4 {lsu_pkt_m[9]}} & 4'b1111)); + assign store_byteen_r[3:0] = {4 {lsu_pkt_r[6]}} & ((({4 {lsu_pkt_r[11]}} & 4'b0001) | ({4 {lsu_pkt_r[10]}} & 4'b0011)) | ({4 {lsu_pkt_r[9]}} & 4'b1111)); + assign store_byteen_ext_m[7:0] = {4'b0000, store_byteen_m[3:0]} << lsu_addr_m[1:0]; + assign store_byteen_ext_r[7:0] = {4'b0000, store_byteen_r[3:0]} << lsu_addr_r[1:0]; + assign dccm_wr_bypass_d_m_lo = (stbuf_addr_any[pt[1398-:9] - 1:2] == lsu_addr_m[pt[1398-:9] - 1:2]) & addr_in_dccm_m; + assign dccm_wr_bypass_d_m_hi = (stbuf_addr_any[pt[1398-:9] - 1:2] == end_addr_m[pt[1398-:9] - 1:2]) & addr_in_dccm_m; + assign dccm_wr_bypass_d_r_lo = (stbuf_addr_any[pt[1398-:9] - 1:2] == lsu_addr_r[pt[1398-:9] - 1:2]) & addr_in_dccm_r; + assign dccm_wr_bypass_d_r_hi = (stbuf_addr_any[pt[1398-:9] - 1:2] == end_addr_r[pt[1398-:9] - 1:2]) & addr_in_dccm_r; + generate + if (pt[202-:5] == 1) begin : L2U1_Plus1_1 + wire dccm_wren_Q; + wire [31:0] dccm_wr_data_Q; + wire dccm_wr_bypass_d_m_lo_Q; + wire dccm_wr_bypass_d_m_hi_Q; + wire [31:0] store_data_pre_hi_r; + wire [31:0] store_data_pre_lo_r; + assign {store_data_pre_hi_r[31:0], store_data_pre_lo_r[31:0]} = {32'b00000000000000000000000000000000, store_data_r[31:0]} << (8 * lsu_addr_r[1:0]); + genvar i; + for (i = 0; i < 4; i = i + 1) begin + assign store_data_lo_r[(8 * i) + 7:8 * i] = (store_byteen_ext_r[i] ? store_data_pre_lo_r[(8 * i) + 7:8 * i] : (dccm_wren_Q & dccm_wr_bypass_d_m_lo_Q ? dccm_wr_data_Q[(8 * i) + 7:8 * i] : sec_data_lo_r[(8 * i) + 7:8 * i])); + assign store_data_hi_r[(8 * i) + 7:8 * i] = (store_byteen_ext_r[i + 4] ? store_data_pre_hi_r[(8 * i) + 7:8 * i] : (dccm_wren_Q & dccm_wr_bypass_d_m_hi_Q ? dccm_wr_data_Q[(8 * i) + 7:8 * i] : sec_data_hi_r[(8 * i) + 7:8 * i])); + assign store_datafn_lo_r[(8 * i) + 7:8 * i] = (store_byteen_ext_r[i] ? store_data_pre_lo_r[(8 * i) + 7:8 * i] : (lsu_stbuf_commit_any & dccm_wr_bypass_d_r_lo ? stbuf_data_any[(8 * i) + 7:8 * i] : (dccm_wren_Q & dccm_wr_bypass_d_m_lo_Q ? dccm_wr_data_Q[(8 * i) + 7:8 * i] : sec_data_lo_r[(8 * i) + 7:8 * i]))); + assign store_datafn_hi_r[(8 * i) + 7:8 * i] = (store_byteen_ext_r[i + 4] ? store_data_pre_hi_r[(8 * i) + 7:8 * i] : (lsu_stbuf_commit_any & dccm_wr_bypass_d_r_hi ? stbuf_data_any[(8 * i) + 7:8 * i] : (dccm_wren_Q & dccm_wr_bypass_d_m_hi_Q ? dccm_wr_data_Q[(8 * i) + 7:8 * i] : sec_data_hi_r[(8 * i) + 7:8 * i]))); + end + rvdff #(.WIDTH(1)) dccm_wren_ff( + .rst_l(rst_l), + .din(lsu_stbuf_commit_any), + .dout(dccm_wren_Q), + .clk(lsu_free_c2_clk) + ); + rvdffe #(.WIDTH(32)) dccm_wrdata_ff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(stbuf_data_any[31:0]), + .dout(dccm_wr_data_Q[31:0]), + .en(lsu_stbuf_commit_any | clk_override), + .clk(clk) + ); + rvdff #(.WIDTH(1)) dccm_wrbyp_dm_loff( + .rst_l(rst_l), + .din(dccm_wr_bypass_d_m_lo), + .dout(dccm_wr_bypass_d_m_lo_Q), + .clk(lsu_free_c2_clk) + ); + rvdff #(.WIDTH(1)) dccm_wrbyp_dm_hiff( + .rst_l(rst_l), + .din(dccm_wr_bypass_d_m_hi), + .dout(dccm_wr_bypass_d_m_hi_Q), + .clk(lsu_free_c2_clk) + ); + rvdff #(.WIDTH(32)) store_data_rff( + .rst_l(rst_l), + .din(store_data_m[31:0]), + .dout(store_data_r[31:0]), + .clk(lsu_store_c1_r_clk) + ); + end + else begin : L2U1_Plus1_0 + wire [31:0] store_data_hi_m; + wire [31:0] store_data_lo_m; + wire [63:0] store_data_mask; + assign {store_data_hi_m[31:0], store_data_lo_m[31:0]} = {32'b00000000000000000000000000000000, store_data_m[31:0]} << (8 * lsu_addr_m[1:0]); + genvar i; + for (i = 0; i < 4; i = i + 1) begin + assign store_data_hi_r_in[(8 * i) + 7:8 * i] = (store_byteen_ext_m[i + 4] ? store_data_hi_m[(8 * i) + 7:8 * i] : (lsu_stbuf_commit_any & dccm_wr_bypass_d_m_hi ? stbuf_data_any[(8 * i) + 7:8 * i] : sec_data_hi_m[(8 * i) + 7:8 * i])); + assign store_data_lo_r_in[(8 * i) + 7:8 * i] = (store_byteen_ext_m[i] ? store_data_lo_m[(8 * i) + 7:8 * i] : (lsu_stbuf_commit_any & dccm_wr_bypass_d_m_lo ? stbuf_data_any[(8 * i) + 7:8 * i] : sec_data_lo_m[(8 * i) + 7:8 * i])); + assign store_datafn_lo_r[(8 * i) + 7:8 * i] = ((lsu_stbuf_commit_any & dccm_wr_bypass_d_r_lo) & ~store_byteen_ext_r[i] ? stbuf_data_any[(8 * i) + 7:8 * i] : store_data_lo_r[(8 * i) + 7:8 * i]); + assign store_datafn_hi_r[(8 * i) + 7:8 * i] = ((lsu_stbuf_commit_any & dccm_wr_bypass_d_r_hi) & ~store_byteen_ext_r[i + 4] ? stbuf_data_any[(8 * i) + 7:8 * i] : store_data_hi_r[(8 * i) + 7:8 * i]); + end + for (i = 0; i < 4; i = i + 1) assign store_data_mask[(8 * i) + 7:8 * i] = {8 {store_byteen_r[i]}}; + function automatic [31:0] sv2v_cast_32; + input reg [31:0] inp; + sv2v_cast_32 = inp; + endfunction + assign store_data_r[31:0] = sv2v_cast_32({store_data_hi_r[31:0], store_data_lo_r[31:0]} >> (8 * lsu_addr_r[1:0])) & store_data_mask[31:0]; + rvdffe #(.WIDTH(pt[1382-:10])) store_data_hi_rff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(store_data_hi_r_in[pt[1382-:10] - 1:0]), + .dout(store_data_hi_r[pt[1382-:10] - 1:0]), + .en(((ldst_dual_m & lsu_pkt_m[0]) & lsu_pkt_m[6]) | clk_override), + .clk(clk) + ); + rvdff #(.WIDTH(pt[1382-:10])) store_data_lo_rff( + .rst_l(rst_l), + .din(store_data_lo_r_in[pt[1382-:10] - 1:0]), + .dout(store_data_lo_r[pt[1382-:10] - 1:0]), + .clk(lsu_store_c1_r_clk) + ); + end + endgenerate + assign dccm_rdata_lo_m[pt[1382-:10] - 1:0] = dccm_rd_data_lo[pt[1382-:10] - 1:0]; + assign dccm_rdata_hi_m[pt[1382-:10] - 1:0] = dccm_rd_data_hi[pt[1382-:10] - 1:0]; + assign dccm_data_ecc_lo_m[pt[1372-:7] - 1:0] = dccm_rd_data_lo[pt[1360-:10] - 1:pt[1382-:10]]; + assign dccm_data_ecc_hi_m[pt[1372-:7] - 1:0] = dccm_rd_data_hi[pt[1360-:10] - 1:pt[1382-:10]]; + assign picm_wren = (((lsu_pkt_r[0] & lsu_pkt_r[6]) & addr_in_pic_r) & lsu_commit_r) | dma_pic_wen; + assign picm_rden = (lsu_pkt_d[0] & lsu_pkt_d[7]) & addr_in_pic_d; + assign picm_mken = (lsu_pkt_d[0] & lsu_pkt_d[6]) & addr_in_pic_d; + assign picm_rdaddr[31:0] = pt[130-:36] | {{32 - pt[94-:9] {1'b0}}, lsu_addr_d[pt[94-:9] - 1:0]}; + assign picm_wraddr[31:0] = pt[130-:36] | {{32 - pt[94-:9] {1'b0}}, (dma_pic_wen ? dma_mem_addr[pt[94-:9] - 1:0] : lsu_addr_r[pt[94-:9] - 1:0])}; + assign picm_wr_data[31:0] = (dma_pic_wen ? dma_mem_wdata[31:0] : store_datafn_lo_r[31:0]); + assign picm_mask_data_m[31:0] = picm_rd_data_m[31:0]; + assign picm_rd_data_m[63:0] = {picm_rd_data[31:0], picm_rd_data[31:0]}; + generate + if (pt[1365-:5] == 1) begin : Gen_dccm_enable + rvdff #(.WIDTH(1)) dccm_rden_mff( + .rst_l(rst_l), + .din(lsu_dccm_rden_d), + .dout(lsu_dccm_rden_m), + .clk(lsu_c2_m_clk) + ); + rvdff #(.WIDTH(1)) dccm_rden_rff( + .rst_l(rst_l), + .din(lsu_dccm_rden_m), + .dout(lsu_dccm_rden_r), + .clk(lsu_c2_r_clk) + ); + rvdff #(.WIDTH(1)) ld_double_ecc_error_rff( + .rst_l(rst_l), + .din(lsu_double_ecc_error_r), + .dout(lsu_double_ecc_error_r_ff), + .clk(lsu_free_c2_clk) + ); + rvdff #(.WIDTH(1)) ld_single_ecc_error_hi_rff( + .rst_l(rst_l), + .din(ld_single_ecc_error_hi_r_ns), + .dout(ld_single_ecc_error_hi_r_ff), + .clk(lsu_free_c2_clk) + ); + rvdff #(.WIDTH(1)) ld_single_ecc_error_lo_rff( + .rst_l(rst_l), + .din(ld_single_ecc_error_lo_r_ns), + .dout(ld_single_ecc_error_lo_r_ff), + .clk(lsu_free_c2_clk) + ); + rvdffe #(.WIDTH(pt[1398-:9])) ld_sec_addr_hi_rff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(end_addr_r[pt[1398-:9] - 1:0]), + .dout(ld_sec_addr_hi_r_ff[pt[1398-:9] - 1:0]), + .en(ld_single_ecc_error_r | clk_override), + .clk(clk) + ); + rvdffe #(.WIDTH(pt[1398-:9])) ld_sec_addr_lo_rff( + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(lsu_addr_r[pt[1398-:9] - 1:0]), + .dout(ld_sec_addr_lo_r_ff[pt[1398-:9] - 1:0]), + .en(ld_single_ecc_error_r | clk_override), + .clk(clk) + ); + end + else begin : Gen_dccm_disable + assign lsu_dccm_rden_m = 1'b0; + assign lsu_dccm_rden_r = 1'b0; + assign lsu_double_ecc_error_r_ff = 1'b0; + assign ld_single_ecc_error_hi_r_ff = 1'b0; + assign ld_single_ecc_error_lo_r_ff = 1'b0; + assign ld_sec_addr_hi_r_ff[pt[1398-:9] - 1:0] = {pt[1398-:9] {1'sb0}}; + assign ld_sec_addr_lo_r_ff[pt[1398-:9] - 1:0] = {pt[1398-:9] {1'sb0}}; + end + endgenerate +endmodule +module eb1_lsu_dccm_mem ( + clk, + active_clk, + rst_l, + clk_override, + dccm_wren, + dccm_rden, + dccm_wr_addr_lo, + dccm_wr_addr_hi, + dccm_rd_addr_lo, + dccm_rd_addr_hi, + dccm_wr_data_lo, + dccm_wr_data_hi, + dccm_ext_in_pkt, + dccm_rd_data_lo, + dccm_rd_data_hi, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire active_clk; + input wire rst_l; + input wire clk_override; + input wire dccm_wren; + input wire dccm_rden; + input wire [pt[1398-:9] - 1:0] dccm_wr_addr_lo; + input wire [pt[1398-:9] - 1:0] dccm_wr_addr_hi; + input wire [pt[1398-:9] - 1:0] dccm_rd_addr_lo; + input wire [pt[1398-:9] - 1:0] dccm_rd_addr_hi; + input wire [pt[1360-:10] - 1:0] dccm_wr_data_lo; + input wire [pt[1360-:10] - 1:0] dccm_wr_data_hi; + input wire [(pt[1342-:9] * 12) - 1:0] dccm_ext_in_pkt; + output wire [pt[1360-:10] - 1:0] dccm_rd_data_lo; + output wire [pt[1360-:10] - 1:0] dccm_rd_data_hi; + input wire scan_mode; + localparam DCCM_WIDTH_BITS = $clog2(pt[1389-:7]); + localparam DCCM_INDEX_BITS = (pt[1398-:9] - pt[1405-:7]) - pt[1275-:6]; + localparam DCCM_INDEX_DEPTH = (pt[1289-:14] * 1024) / (pt[1389-:7] * pt[1342-:9]); + wire [pt[1342-:9] - 1:0] wren_bank; + wire [pt[1342-:9] - 1:0] rden_bank; + wire [((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? (pt[1342-:9] * (((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1)) + (pt[1405-:7] + 1) : (pt[1342-:9] * (((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)) + (pt[1398-:9] - 2)):((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1)] addr_bank; + wire [pt[1398-:9] - 1:pt[1405-:7] + DCCM_WIDTH_BITS] rd_addr_even; + wire [pt[1398-:9] - 1:pt[1405-:7] + DCCM_WIDTH_BITS] rd_addr_odd; + wire rd_unaligned; + wire wr_unaligned; + wire [(pt[1342-:9] * pt[1360-:10]) - 1:0] dccm_bank_dout; + wire [pt[1360-:10] - 1:0] wrdata; + wire [(pt[1342-:9] * pt[1360-:10]) - 1:0] wr_data_bank; + wire [(DCCM_WIDTH_BITS + pt[1405-:7]) - 1:DCCM_WIDTH_BITS] dccm_rd_addr_lo_q; + wire [(DCCM_WIDTH_BITS + pt[1405-:7]) - 1:DCCM_WIDTH_BITS] dccm_rd_addr_hi_q; + wire [pt[1342-:9] - 1:0] dccm_clken; + assign rd_unaligned = dccm_rd_addr_lo[DCCM_WIDTH_BITS+:pt[1405-:7]] != dccm_rd_addr_hi[DCCM_WIDTH_BITS+:pt[1405-:7]]; + assign wr_unaligned = dccm_wr_addr_lo[DCCM_WIDTH_BITS+:pt[1405-:7]] != dccm_wr_addr_hi[DCCM_WIDTH_BITS+:pt[1405-:7]]; + assign dccm_rd_data_lo[pt[1360-:10] - 1:0] = dccm_bank_dout[(dccm_rd_addr_lo_q[pt[1275-:6]+:pt[1405-:7]] * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]; + assign dccm_rd_data_hi[pt[1360-:10] - 1:0] = dccm_bank_dout[(dccm_rd_addr_hi_q[DCCM_WIDTH_BITS+:pt[1405-:7]] * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]; + generate + genvar i; + for (i = 0; i < pt[1342-:9]; i = i + 1) begin : mem_bank + assign wren_bank[i] = dccm_wren & ((dccm_wr_addr_hi[2+:pt[1405-:7]] == i) | (dccm_wr_addr_lo[2+:pt[1405-:7]] == i)); + assign rden_bank[i] = dccm_rden & ((dccm_rd_addr_hi[2+:pt[1405-:7]] == i) | (dccm_rd_addr_lo[2+:pt[1405-:7]] == i)); + assign addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)) + ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + DCCM_WIDTH_BITS : (pt[1405-:7] + 2) - ((pt[1405-:7] + DCCM_WIDTH_BITS) - (pt[1398-:9] - 1))) : (((i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)) + ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + DCCM_WIDTH_BITS : (pt[1405-:7] + 2) - ((pt[1405-:7] + DCCM_WIDTH_BITS) - (pt[1398-:9] - 1)))) - DCCM_INDEX_BITS) + 1)+:DCCM_INDEX_BITS] = (wren_bank[i] ? ((dccm_wr_addr_hi[2+:pt[1405-:7]] == i) & wr_unaligned ? dccm_wr_addr_hi[pt[1405-:7] + DCCM_WIDTH_BITS+:DCCM_INDEX_BITS] : dccm_wr_addr_lo[pt[1405-:7] + DCCM_WIDTH_BITS+:DCCM_INDEX_BITS]) : ((dccm_rd_addr_hi[2+:pt[1405-:7]] == i) & rd_unaligned ? dccm_rd_addr_hi[pt[1405-:7] + DCCM_WIDTH_BITS+:DCCM_INDEX_BITS] : dccm_rd_addr_lo[pt[1405-:7] + DCCM_WIDTH_BITS+:DCCM_INDEX_BITS])); + assign wr_data_bank[i * pt[1360-:10]+:pt[1360-:10]] = ((dccm_wr_addr_hi[2+:pt[1405-:7]] == i) & wr_unaligned ? dccm_wr_data_hi[pt[1360-:10] - 1:0] : dccm_wr_data_lo[pt[1360-:10] - 1:0]); + assign dccm_clken[i] = (wren_bank[i] | rden_bank[i]) | clk_override; + if (DCCM_INDEX_DEPTH == 32768) begin : dccm + ram_32768x39 dccm_bank( + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .D(wr_data_bank[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .Q(dccm_bank_dout[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .ROP(), + .TEST1(dccm_ext_in_pkt[(i * 12) + 11]), + .RME(dccm_ext_in_pkt[(i * 12) + 10]), + .RM(dccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(dccm_ext_in_pkt[(i * 12) + 5]), + .DS(dccm_ext_in_pkt[(i * 12) + 4]), + .SD(dccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(dccm_ext_in_pkt[(i * 12) + 2]), + .BC1(dccm_ext_in_pkt[(i * 12) + 1]), + .BC2(dccm_ext_in_pkt[i * 12]), + .* + ); + end + else if (DCCM_INDEX_DEPTH == 16384) begin : dccm + ram_16384x39 dccm_bank( + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .D(wr_data_bank[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .Q(dccm_bank_dout[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .ROP(), + .TEST1(dccm_ext_in_pkt[(i * 12) + 11]), + .RME(dccm_ext_in_pkt[(i * 12) + 10]), + .RM(dccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(dccm_ext_in_pkt[(i * 12) + 5]), + .DS(dccm_ext_in_pkt[(i * 12) + 4]), + .SD(dccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(dccm_ext_in_pkt[(i * 12) + 2]), + .BC1(dccm_ext_in_pkt[(i * 12) + 1]), + .BC2(dccm_ext_in_pkt[i * 12]), + .* + ); + end + else if (DCCM_INDEX_DEPTH == 8192) begin : dccm + ram_8192x39 dccm_bank( + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .D(wr_data_bank[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .Q(dccm_bank_dout[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .ROP(), + .TEST1(dccm_ext_in_pkt[(i * 12) + 11]), + .RME(dccm_ext_in_pkt[(i * 12) + 10]), + .RM(dccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(dccm_ext_in_pkt[(i * 12) + 5]), + .DS(dccm_ext_in_pkt[(i * 12) + 4]), + .SD(dccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(dccm_ext_in_pkt[(i * 12) + 2]), + .BC1(dccm_ext_in_pkt[(i * 12) + 1]), + .BC2(dccm_ext_in_pkt[i * 12]), + .* + ); + end + else if (DCCM_INDEX_DEPTH == 4096) begin : dccm + ram_4096x39 dccm_bank( + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .D(wr_data_bank[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .Q(dccm_bank_dout[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .ROP(), + .TEST1(dccm_ext_in_pkt[(i * 12) + 11]), + .RME(dccm_ext_in_pkt[(i * 12) + 10]), + .RM(dccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(dccm_ext_in_pkt[(i * 12) + 5]), + .DS(dccm_ext_in_pkt[(i * 12) + 4]), + .SD(dccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(dccm_ext_in_pkt[(i * 12) + 2]), + .BC1(dccm_ext_in_pkt[(i * 12) + 1]), + .BC2(dccm_ext_in_pkt[i * 12]), + .* + ); + end + else if (DCCM_INDEX_DEPTH == 3072) begin : dccm + ram_3072x39 dccm_bank( + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .D(wr_data_bank[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .Q(dccm_bank_dout[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .ROP(), + .TEST1(dccm_ext_in_pkt[(i * 12) + 11]), + .RME(dccm_ext_in_pkt[(i * 12) + 10]), + .RM(dccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(dccm_ext_in_pkt[(i * 12) + 5]), + .DS(dccm_ext_in_pkt[(i * 12) + 4]), + .SD(dccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(dccm_ext_in_pkt[(i * 12) + 2]), + .BC1(dccm_ext_in_pkt[(i * 12) + 1]), + .BC2(dccm_ext_in_pkt[i * 12]), + .* + ); + end + else if (DCCM_INDEX_DEPTH == 2048) begin : dccm + ram_2048x39 dccm_bank( + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .D(wr_data_bank[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .Q(dccm_bank_dout[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .ROP(), + .TEST1(dccm_ext_in_pkt[(i * 12) + 11]), + .RME(dccm_ext_in_pkt[(i * 12) + 10]), + .RM(dccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(dccm_ext_in_pkt[(i * 12) + 5]), + .DS(dccm_ext_in_pkt[(i * 12) + 4]), + .SD(dccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(dccm_ext_in_pkt[(i * 12) + 2]), + .BC1(dccm_ext_in_pkt[(i * 12) + 1]), + .BC2(dccm_ext_in_pkt[i * 12]), + .* + ); + end + else if (DCCM_INDEX_DEPTH == 1024) begin : dccm + sky130_sram_1kbyte_1rw1r_32x256_8 sram( + .clk0(clk), + .csb0(~dccm_clken[i]), + .web0(~wren_bank[i]), + .wmask0(4'hf), + .addr0(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .din0(wr_data_bank[i * pt[1360-:10]+:pt[1360-:10]]), + .dout0(dccm_bank_dout[i * pt[1360-:10]+:pt[1360-:10]]), + .clk1(clk), + .csb1(1'b1), + .addr1(10'h000), + .dout1() + ); + end + else if (DCCM_INDEX_DEPTH == 512) begin : dccm + ram_512x39 dccm_bank( + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .D(wr_data_bank[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .Q(dccm_bank_dout[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .ROP(), + .TEST1(dccm_ext_in_pkt[(i * 12) + 11]), + .RME(dccm_ext_in_pkt[(i * 12) + 10]), + .RM(dccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(dccm_ext_in_pkt[(i * 12) + 5]), + .DS(dccm_ext_in_pkt[(i * 12) + 4]), + .SD(dccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(dccm_ext_in_pkt[(i * 12) + 2]), + .BC1(dccm_ext_in_pkt[(i * 12) + 1]), + .BC2(dccm_ext_in_pkt[i * 12]), + .* + ); + end + else if (DCCM_INDEX_DEPTH == 256) begin : dccm + sky130_sram_1kbyte_1rw1r_32x256_8 sram( + .clk0(clk), + .csb0(~dccm_clken[i]), + .web0(~wren_bank[i]), + .wmask0(4'hf), + .addr0(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .din0(wr_data_bank[(i * pt[1360-:10]) + 31-:32]), + .dout0(dccm_bank_dout[(i * pt[1360-:10]) + 31-:32]), + .clk1(clk), + .csb1(1'b1), + .addr1(10'h000), + .dout1() + ); + end + else if (DCCM_INDEX_DEPTH == 128) begin : dccm + ram_128x39 dccm_bank( + .ME(dccm_clken[i]), + .CLK(clk), + .WE(wren_bank[i]), + .ADR(addr_bank[((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? pt[1405-:7] + 2 : pt[1398-:9] - 1) + (i * ((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1))+:((pt[1398-:9] - 1) >= (pt[1405-:7] + 2) ? ((pt[1398-:9] - 1) - (pt[1405-:7] + 2)) + 1 : ((pt[1405-:7] + 2) - (pt[1398-:9] - 1)) + 1)]), + .D(wr_data_bank[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .Q(dccm_bank_dout[(i * pt[1360-:10]) + (pt[1360-:10] - 1)-:pt[1360-:10]]), + .ROP(), + .TEST1(dccm_ext_in_pkt[(i * 12) + 11]), + .RME(dccm_ext_in_pkt[(i * 12) + 10]), + .RM(dccm_ext_in_pkt[(i * 12) + 9-:4]), + .LS(dccm_ext_in_pkt[(i * 12) + 5]), + .DS(dccm_ext_in_pkt[(i * 12) + 4]), + .SD(dccm_ext_in_pkt[(i * 12) + 3]), + .TEST_RNM(dccm_ext_in_pkt[(i * 12) + 2]), + .BC1(dccm_ext_in_pkt[(i * 12) + 1]), + .BC2(dccm_ext_in_pkt[i * 12]), + .* + ); + end + end + endgenerate + rvdff #(.WIDTH(pt[1405-:7])) rd_addr_lo_ff( + .rst_l(rst_l), + .din(dccm_rd_addr_lo[DCCM_WIDTH_BITS+:pt[1405-:7]]), + .dout(dccm_rd_addr_lo_q[DCCM_WIDTH_BITS+:pt[1405-:7]]), + .clk(active_clk) + ); + rvdff #(.WIDTH(pt[1405-:7])) rd_addr_hi_ff( + .rst_l(rst_l), + .din(dccm_rd_addr_hi[DCCM_WIDTH_BITS+:pt[1405-:7]]), + .dout(dccm_rd_addr_hi_q[DCCM_WIDTH_BITS+:pt[1405-:7]]), + .clk(active_clk) + ); +endmodule +module eb1_lsu_ecc ( + clk, + lsu_c2_r_clk, + clk_override, + rst_l, + scan_mode, + lsu_pkt_m, + lsu_pkt_r, + stbuf_data_any, + dec_tlu_core_ecc_disable, + lsu_dccm_rden_r, + addr_in_dccm_r, + lsu_addr_r, + end_addr_r, + dccm_rdata_hi_r, + dccm_rdata_lo_r, + dccm_data_ecc_hi_r, + dccm_data_ecc_lo_r, + sec_data_hi_r, + sec_data_lo_r, + sec_data_hi_r_ff, + sec_data_lo_r_ff, + ld_single_ecc_error_r, + ld_single_ecc_error_r_ff, + lsu_dccm_rden_m, + addr_in_dccm_m, + lsu_addr_m, + end_addr_m, + dccm_rdata_hi_m, + dccm_rdata_lo_m, + dccm_data_ecc_hi_m, + dccm_data_ecc_lo_m, + sec_data_hi_m, + sec_data_lo_m, + dma_dccm_wen, + dma_dccm_wdata_lo, + dma_dccm_wdata_hi, + dma_dccm_wdata_ecc_hi, + dma_dccm_wdata_ecc_lo, + stbuf_ecc_any, + sec_data_ecc_hi_r_ff, + sec_data_ecc_lo_r_ff, + single_ecc_error_hi_r, + single_ecc_error_lo_r, + lsu_single_ecc_error_r, + lsu_double_ecc_error_r, + lsu_single_ecc_error_m, + lsu_double_ecc_error_m +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire lsu_c2_r_clk; + input wire clk_override; + input wire rst_l; + input wire scan_mode; + input wire [13:0] lsu_pkt_m; + input wire [13:0] lsu_pkt_r; + input wire [pt[1382-:10] - 1:0] stbuf_data_any; + input wire dec_tlu_core_ecc_disable; + input wire lsu_dccm_rden_r; + input wire addr_in_dccm_r; + input wire [pt[1398-:9] - 1:0] lsu_addr_r; + input wire [pt[1398-:9] - 1:0] end_addr_r; + input wire [pt[1382-:10] - 1:0] dccm_rdata_hi_r; + input wire [pt[1382-:10] - 1:0] dccm_rdata_lo_r; + input wire [pt[1372-:7] - 1:0] dccm_data_ecc_hi_r; + input wire [pt[1372-:7] - 1:0] dccm_data_ecc_lo_r; + output wire [pt[1382-:10] - 1:0] sec_data_hi_r; + output wire [pt[1382-:10] - 1:0] sec_data_lo_r; + output wire [pt[1382-:10] - 1:0] sec_data_hi_r_ff; + output wire [pt[1382-:10] - 1:0] sec_data_lo_r_ff; + input wire ld_single_ecc_error_r; + input wire ld_single_ecc_error_r_ff; + input wire lsu_dccm_rden_m; + input wire addr_in_dccm_m; + input wire [pt[1398-:9] - 1:0] lsu_addr_m; + input wire [pt[1398-:9] - 1:0] end_addr_m; + input wire [pt[1382-:10] - 1:0] dccm_rdata_hi_m; + input wire [pt[1382-:10] - 1:0] dccm_rdata_lo_m; + input wire [pt[1372-:7] - 1:0] dccm_data_ecc_hi_m; + input wire [pt[1372-:7] - 1:0] dccm_data_ecc_lo_m; + output wire [pt[1382-:10] - 1:0] sec_data_hi_m; + output wire [pt[1382-:10] - 1:0] sec_data_lo_m; + input wire dma_dccm_wen; + input wire [31:0] dma_dccm_wdata_lo; + input wire [31:0] dma_dccm_wdata_hi; + output wire [pt[1372-:7] - 1:0] dma_dccm_wdata_ecc_hi; + output wire [pt[1372-:7] - 1:0] dma_dccm_wdata_ecc_lo; + output wire [pt[1372-:7] - 1:0] stbuf_ecc_any; + output wire [pt[1372-:7] - 1:0] sec_data_ecc_hi_r_ff; + output wire [pt[1372-:7] - 1:0] sec_data_ecc_lo_r_ff; + output wire single_ecc_error_hi_r; + output wire single_ecc_error_lo_r; + output wire lsu_single_ecc_error_r; + output wire lsu_double_ecc_error_r; + output wire lsu_single_ecc_error_m; + output wire lsu_double_ecc_error_m; + wire is_ldst_r; + wire is_ldst_hi_any; + wire is_ldst_lo_any; + wire [pt[1382-:10] - 1:0] dccm_wdata_hi_any; + wire [pt[1382-:10] - 1:0] dccm_wdata_lo_any; + wire [pt[1372-:7] - 1:0] dccm_wdata_ecc_hi_any; + wire [pt[1372-:7] - 1:0] dccm_wdata_ecc_lo_any; + wire [pt[1382-:10] - 1:0] dccm_rdata_hi_any; + wire [pt[1382-:10] - 1:0] dccm_rdata_lo_any; + wire [pt[1372-:7] - 1:0] dccm_data_ecc_hi_any; + wire [pt[1372-:7] - 1:0] dccm_data_ecc_lo_any; + wire [pt[1382-:10] - 1:0] sec_data_hi_any; + wire [pt[1382-:10] - 1:0] sec_data_lo_any; + wire single_ecc_error_hi_any; + wire single_ecc_error_lo_any; + wire double_ecc_error_hi_any; + wire double_ecc_error_lo_any; + wire double_ecc_error_hi_m; + wire double_ecc_error_lo_m; + wire double_ecc_error_hi_r; + wire double_ecc_error_lo_r; + wire [6:0] ecc_out_hi_nc; + wire [6:0] ecc_out_lo_nc; + generate + if (pt[202-:5] == 1) begin : L2U_Plus1_1 + wire ldst_dual_m; + wire ldst_dual_r; + wire is_ldst_m; + wire is_ldst_hi_r; + wire is_ldst_lo_r; + assign ldst_dual_r = lsu_addr_r[2] != end_addr_r[2]; + assign is_ldst_r = ((lsu_pkt_r[0] & (lsu_pkt_r[7] | lsu_pkt_r[6])) & addr_in_dccm_r) & lsu_dccm_rden_r; + assign is_ldst_lo_r = is_ldst_r & ~dec_tlu_core_ecc_disable; + assign is_ldst_hi_r = (is_ldst_r & ldst_dual_r) & ~dec_tlu_core_ecc_disable; + assign is_ldst_hi_any = is_ldst_hi_r; + assign dccm_rdata_hi_any[pt[1382-:10] - 1:0] = dccm_rdata_hi_r[pt[1382-:10] - 1:0]; + assign dccm_data_ecc_hi_any[pt[1372-:7] - 1:0] = dccm_data_ecc_hi_r[pt[1372-:7] - 1:0]; + assign is_ldst_lo_any = is_ldst_lo_r; + assign dccm_rdata_lo_any[pt[1382-:10] - 1:0] = dccm_rdata_lo_r[pt[1382-:10] - 1:0]; + assign dccm_data_ecc_lo_any[pt[1372-:7] - 1:0] = dccm_data_ecc_lo_r[pt[1372-:7] - 1:0]; + assign sec_data_hi_r[pt[1382-:10] - 1:0] = sec_data_hi_any[pt[1382-:10] - 1:0]; + assign single_ecc_error_hi_r = single_ecc_error_hi_any; + assign double_ecc_error_hi_r = double_ecc_error_hi_any; + assign sec_data_lo_r[pt[1382-:10] - 1:0] = sec_data_lo_any[pt[1382-:10] - 1:0]; + assign single_ecc_error_lo_r = single_ecc_error_lo_any; + assign double_ecc_error_lo_r = double_ecc_error_lo_any; + assign lsu_single_ecc_error_r = single_ecc_error_hi_r | single_ecc_error_lo_r; + assign lsu_double_ecc_error_r = double_ecc_error_hi_r | double_ecc_error_lo_r; + end + else begin : L2U_Plus1_0 + wire ldst_dual_m; + wire is_ldst_m; + wire is_ldst_hi_m; + wire is_ldst_lo_m; + assign ldst_dual_m = lsu_addr_m[2] != end_addr_m[2]; + assign is_ldst_m = ((lsu_pkt_m[0] & (lsu_pkt_m[7] | lsu_pkt_m[6])) & addr_in_dccm_m) & lsu_dccm_rden_m; + assign is_ldst_lo_m = is_ldst_m & ~dec_tlu_core_ecc_disable; + assign is_ldst_hi_m = (is_ldst_m & (ldst_dual_m | lsu_pkt_m[4])) & ~dec_tlu_core_ecc_disable; + assign is_ldst_hi_any = is_ldst_hi_m; + assign dccm_rdata_hi_any[pt[1382-:10] - 1:0] = dccm_rdata_hi_m[pt[1382-:10] - 1:0]; + assign dccm_data_ecc_hi_any[pt[1372-:7] - 1:0] = dccm_data_ecc_hi_m[pt[1372-:7] - 1:0]; + assign is_ldst_lo_any = is_ldst_lo_m; + assign dccm_rdata_lo_any[pt[1382-:10] - 1:0] = dccm_rdata_lo_m[pt[1382-:10] - 1:0]; + assign dccm_data_ecc_lo_any[pt[1372-:7] - 1:0] = dccm_data_ecc_lo_m[pt[1372-:7] - 1:0]; + assign sec_data_hi_m[pt[1382-:10] - 1:0] = sec_data_hi_any[pt[1382-:10] - 1:0]; + assign double_ecc_error_hi_m = double_ecc_error_hi_any; + assign sec_data_lo_m[pt[1382-:10] - 1:0] = sec_data_lo_any[pt[1382-:10] - 1:0]; + assign double_ecc_error_lo_m = double_ecc_error_lo_any; + assign lsu_single_ecc_error_m = single_ecc_error_hi_any | single_ecc_error_lo_any; + assign lsu_double_ecc_error_m = double_ecc_error_hi_m | double_ecc_error_lo_m; + rvdff #(.WIDTH(1)) lsu_single_ecc_err_r( + .din(lsu_single_ecc_error_m), + .dout(lsu_single_ecc_error_r), + .clk(lsu_c2_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) lsu_double_ecc_err_r( + .din(lsu_double_ecc_error_m), + .dout(lsu_double_ecc_error_r), + .clk(lsu_c2_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) ldst_sec_lo_rff( + .din(single_ecc_error_lo_any), + .dout(single_ecc_error_lo_r), + .clk(lsu_c2_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) ldst_sec_hi_rff( + .din(single_ecc_error_hi_any), + .dout(single_ecc_error_hi_r), + .clk(lsu_c2_r_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(pt[1382-:10])) sec_data_hi_rff( + .din(sec_data_hi_m[pt[1382-:10] - 1:0]), + .dout(sec_data_hi_r[pt[1382-:10] - 1:0]), + .en(lsu_single_ecc_error_m | clk_override), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffe #(.WIDTH(pt[1382-:10])) sec_data_lo_rff( + .din(sec_data_lo_m[pt[1382-:10] - 1:0]), + .dout(sec_data_lo_r[pt[1382-:10] - 1:0]), + .en(lsu_single_ecc_error_m | clk_override), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + end + endgenerate + assign dccm_wdata_lo_any[pt[1382-:10] - 1:0] = (ld_single_ecc_error_r_ff ? sec_data_lo_r_ff[pt[1382-:10] - 1:0] : (dma_dccm_wen ? dma_dccm_wdata_lo[pt[1382-:10] - 1:0] : stbuf_data_any[pt[1382-:10] - 1:0])); + assign dccm_wdata_hi_any[pt[1382-:10] - 1:0] = (ld_single_ecc_error_r_ff ? sec_data_hi_r_ff[pt[1382-:10] - 1:0] : (dma_dccm_wen ? dma_dccm_wdata_hi[pt[1382-:10] - 1:0] : 32'h00000000)); + assign sec_data_ecc_hi_r_ff[pt[1372-:7] - 1:0] = dccm_wdata_ecc_hi_any[pt[1372-:7] - 1:0]; + assign sec_data_ecc_lo_r_ff[pt[1372-:7] - 1:0] = dccm_wdata_ecc_lo_any[pt[1372-:7] - 1:0]; + assign stbuf_ecc_any[pt[1372-:7] - 1:0] = dccm_wdata_ecc_lo_any[pt[1372-:7] - 1:0]; + assign dma_dccm_wdata_ecc_hi[pt[1372-:7] - 1:0] = dccm_wdata_ecc_hi_any[pt[1372-:7] - 1:0]; + assign dma_dccm_wdata_ecc_lo[pt[1372-:7] - 1:0] = dccm_wdata_ecc_lo_any[pt[1372-:7] - 1:0]; + generate + if (pt[1365-:5] == 1) begin : Gen_dccm_enable + rvecc_decode lsu_ecc_decode_hi( + .en(is_ldst_hi_any), + .sed_ded(1'b0), + .din(dccm_rdata_hi_any[pt[1382-:10] - 1:0]), + .ecc_in(dccm_data_ecc_hi_any[pt[1372-:7] - 1:0]), + .dout(sec_data_hi_any[pt[1382-:10] - 1:0]), + .ecc_out(ecc_out_hi_nc[6:0]), + .single_ecc_error(single_ecc_error_hi_any), + .double_ecc_error(double_ecc_error_hi_any) + ); + rvecc_decode lsu_ecc_decode_lo( + .en(is_ldst_lo_any), + .sed_ded(1'b0), + .din(dccm_rdata_lo_any[pt[1382-:10] - 1:0]), + .ecc_in(dccm_data_ecc_lo_any[pt[1372-:7] - 1:0]), + .dout(sec_data_lo_any[pt[1382-:10] - 1:0]), + .ecc_out(ecc_out_lo_nc[6:0]), + .single_ecc_error(single_ecc_error_lo_any), + .double_ecc_error(double_ecc_error_lo_any) + ); + rvecc_encode lsu_ecc_encode_hi( + .din(dccm_wdata_hi_any[pt[1382-:10] - 1:0]), + .ecc_out(dccm_wdata_ecc_hi_any[pt[1372-:7] - 1:0]) + ); + rvecc_encode lsu_ecc_encode_lo( + .din(dccm_wdata_lo_any[pt[1382-:10] - 1:0]), + .ecc_out(dccm_wdata_ecc_lo_any[pt[1372-:7] - 1:0]) + ); + end + else begin : Gen_dccm_disable + assign sec_data_hi_any[pt[1382-:10] - 1:0] = {pt[1382-:10] {1'sb0}}; + assign sec_data_lo_any[pt[1382-:10] - 1:0] = {pt[1382-:10] {1'sb0}}; + assign single_ecc_error_hi_any = 1'b0; + assign double_ecc_error_hi_any = 1'b0; + assign single_ecc_error_lo_any = 1'b0; + assign double_ecc_error_lo_any = 1'b0; + end + endgenerate + rvdffe #(.WIDTH(pt[1382-:10])) sec_data_hi_rplus1ff( + .din(sec_data_hi_r[pt[1382-:10] - 1:0]), + .dout(sec_data_hi_r_ff[pt[1382-:10] - 1:0]), + .en(ld_single_ecc_error_r | clk_override), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffe #(.WIDTH(pt[1382-:10])) sec_data_lo_rplus1ff( + .din(sec_data_lo_r[pt[1382-:10] - 1:0]), + .dout(sec_data_lo_r_ff[pt[1382-:10] - 1:0]), + .en(ld_single_ecc_error_r | clk_override), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); +endmodule +module eb1_lsu_lsc_ctl ( + rst_l, + clk_override, + clk, + lsu_c1_m_clk, + lsu_c1_r_clk, + lsu_c2_m_clk, + lsu_c2_r_clk, + lsu_store_c1_m_clk, + lsu_ld_data_r, + lsu_ld_data_corr_r, + lsu_single_ecc_error_r, + lsu_double_ecc_error_r, + lsu_ld_data_m, + lsu_single_ecc_error_m, + lsu_double_ecc_error_m, + flush_m_up, + flush_r, + ldst_dual_d, + ldst_dual_m, + ldst_dual_r, + exu_lsu_rs1_d, + exu_lsu_rs2_d, + lsu_p, + dec_lsu_valid_raw_d, + dec_lsu_offset_d, + picm_mask_data_m, + bus_read_data_m, + lsu_result_m, + lsu_result_corr_r, + lsu_addr_d, + lsu_addr_m, + lsu_addr_r, + end_addr_d, + end_addr_m, + end_addr_r, + store_data_m, + dec_tlu_mrac_ff, + lsu_exc_m, + is_sideeffects_m, + lsu_commit_r, + lsu_single_ecc_error_incr, + lsu_error_pkt_r, + lsu_fir_addr, + lsu_fir_error, + addr_in_dccm_d, + addr_in_dccm_m, + addr_in_dccm_r, + addr_in_pic_d, + addr_in_pic_m, + addr_in_pic_r, + addr_external_m, + dma_dccm_req, + dma_mem_addr, + dma_mem_sz, + dma_mem_write, + dma_mem_wdata, + lsu_pkt_d, + lsu_pkt_m, + lsu_pkt_r, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire rst_l; + input wire clk_override; + input wire clk; + input wire lsu_c1_m_clk; + input wire lsu_c1_r_clk; + input wire lsu_c2_m_clk; + input wire lsu_c2_r_clk; + input wire lsu_store_c1_m_clk; + input wire [31:0] lsu_ld_data_r; + input wire [31:0] lsu_ld_data_corr_r; + input wire lsu_single_ecc_error_r; + input wire lsu_double_ecc_error_r; + input wire [31:0] lsu_ld_data_m; + input wire lsu_single_ecc_error_m; + input wire lsu_double_ecc_error_m; + input wire flush_m_up; + input wire flush_r; + input wire ldst_dual_d; + input wire ldst_dual_m; + input wire ldst_dual_r; + input wire [31:0] exu_lsu_rs1_d; + input wire [31:0] exu_lsu_rs2_d; + input wire [13:0] lsu_p; + input wire dec_lsu_valid_raw_d; + input wire [11:0] dec_lsu_offset_d; + input wire [31:0] picm_mask_data_m; + input wire [31:0] bus_read_data_m; + output wire [31:0] lsu_result_m; + output wire [31:0] lsu_result_corr_r; + output wire [31:0] lsu_addr_d; + output wire [31:0] lsu_addr_m; + output wire [31:0] lsu_addr_r; + output wire [31:0] end_addr_d; + output wire [31:0] end_addr_m; + output wire [31:0] end_addr_r; + output wire [31:0] store_data_m; + input wire [31:0] dec_tlu_mrac_ff; + output wire lsu_exc_m; + output wire is_sideeffects_m; + output wire lsu_commit_r; + output wire lsu_single_ecc_error_incr; + output wire [39:0] lsu_error_pkt_r; + output wire [31:1] lsu_fir_addr; + output wire [1:0] lsu_fir_error; + output wire addr_in_dccm_d; + output wire addr_in_dccm_m; + output wire addr_in_dccm_r; + output wire addr_in_pic_d; + output wire addr_in_pic_m; + output wire addr_in_pic_r; + output wire addr_external_m; + input wire dma_dccm_req; + input wire [31:0] dma_mem_addr; + input wire [2:0] dma_mem_sz; + input wire dma_mem_write; + input wire [63:0] dma_mem_wdata; + output reg [13:0] lsu_pkt_d; + output wire [13:0] lsu_pkt_m; + output wire [13:0] lsu_pkt_r; + input wire scan_mode; + wire [31:3] end_addr_pre_m; + wire [31:3] end_addr_pre_r; + wire [31:0] full_addr_d; + wire [31:0] full_end_addr_d; + wire [31:0] lsu_rs1_d; + wire [11:0] lsu_offset_d; + wire [31:0] rs1_d; + wire [11:0] offset_d; + wire [12:0] end_addr_offset_d; + wire [2:0] addr_offset_d; + wire [63:0] dma_mem_wdata_shifted; + wire addr_external_d; + wire addr_external_r; + wire access_fault_d; + wire misaligned_fault_d; + wire access_fault_m; + wire misaligned_fault_m; + wire fir_dccm_access_error_d; + wire fir_nondccm_access_error_d; + wire fir_dccm_access_error_m; + wire fir_nondccm_access_error_m; + wire [3:0] exc_mscause_d; + wire [3:0] exc_mscause_m; + wire [31:0] rs1_d_raw; + wire [31:0] store_data_d; + wire [31:0] store_data_pre_m; + wire [31:0] store_data_m_in; + wire [31:0] bus_read_data_r; + reg [13:0] dma_pkt_d; + reg [13:0] lsu_pkt_m_in; + reg [13:0] lsu_pkt_r_in; + wire [39:0] lsu_error_pkt_m; + assign lsu_rs1_d[31:0] = (dec_lsu_valid_raw_d ? exu_lsu_rs1_d[31:0] : dma_mem_addr[31:0]); + assign lsu_offset_d[11:0] = dec_lsu_offset_d[11:0] & {12 {dec_lsu_valid_raw_d}}; + assign rs1_d_raw[31:0] = lsu_rs1_d[31:0]; + assign offset_d[11:0] = lsu_offset_d[11:0]; + assign rs1_d[31:0] = (lsu_pkt_d[2] ? lsu_result_m[31:0] : rs1_d_raw[31:0]); + rvlsadder lsadder( + .rs1(rs1_d[31:0]), + .offset(offset_d[11:0]), + .dout(full_addr_d[31:0]) + ); + eb1_lsu_addrcheck #(.pt(pt)) addrcheck( + .start_addr_d(full_addr_d[31:0]), + .end_addr_d(full_end_addr_d[31:0]), + .rs1_region_d(rs1_d[31:28]), + .lsu_c2_m_clk(lsu_c2_m_clk), + .rst_l(rst_l), + .lsu_pkt_d(lsu_pkt_d), + .dec_tlu_mrac_ff(dec_tlu_mrac_ff), + .rs1_d(rs1_d), + .is_sideeffects_m(is_sideeffects_m), + .addr_in_dccm_d(addr_in_dccm_d), + .addr_in_pic_d(addr_in_pic_d), + .addr_external_d(addr_external_d), + .access_fault_d(access_fault_d), + .misaligned_fault_d(misaligned_fault_d), + .exc_mscause_d(exc_mscause_d), + .fir_dccm_access_error_d(fir_dccm_access_error_d), + .fir_nondccm_access_error_d(fir_nondccm_access_error_d), + .scan_mode(scan_mode) + ); + assign addr_offset_d[2:0] = (({3 {lsu_pkt_d[10]}} & 3'b001) | ({3 {lsu_pkt_d[9]}} & 3'b011)) | ({3 {lsu_pkt_d[8]}} & 3'b111); + assign end_addr_offset_d[12:0] = {offset_d[11], offset_d[11:0]} + {9'b000000000, addr_offset_d[2:0]}; + assign full_end_addr_d[31:0] = rs1_d[31:0] + {{19 {end_addr_offset_d[12]}}, end_addr_offset_d[12:0]}; + assign end_addr_d[31:0] = full_end_addr_d[31:0]; + assign lsu_exc_m = access_fault_m | misaligned_fault_m; + assign lsu_single_ecc_error_incr = ((lsu_single_ecc_error_r & ~lsu_double_ecc_error_r) & (lsu_commit_r | lsu_pkt_r[4])) & lsu_pkt_r[0]; + generate + if (pt[202-:5] == 1) begin : L2U_Plus1_1 + wire access_fault_r; + wire misaligned_fault_r; + wire [3:0] exc_mscause_r; + wire fir_dccm_access_error_r; + wire fir_nondccm_access_error_r; + assign lsu_error_pkt_r[0] = ((((access_fault_r | misaligned_fault_r) | lsu_double_ecc_error_r) & lsu_pkt_r[0]) & ~lsu_pkt_r[4]) & ~lsu_pkt_r[13]; + assign lsu_error_pkt_r[1] = (lsu_single_ecc_error_r & ~lsu_error_pkt_r[0]) & ~lsu_pkt_r[4]; + assign lsu_error_pkt_r[39] = lsu_pkt_r[6]; + assign lsu_error_pkt_r[38] = ~misaligned_fault_r; + assign lsu_error_pkt_r[37:34] = ((lsu_double_ecc_error_r & ~misaligned_fault_r) & ~access_fault_r ? 4'h1 : exc_mscause_r[3:0]); + assign lsu_error_pkt_r[33:2] = lsu_addr_r[31:0]; + assign lsu_fir_error[1:0] = (fir_nondccm_access_error_r ? 2'b11 : (fir_dccm_access_error_r ? 2'b10 : (lsu_pkt_r[13] & lsu_double_ecc_error_r ? 2'b01 : 2'b00))); + rvdff #(.WIDTH(1)) access_fault_rff( + .din(access_fault_m), + .dout(access_fault_r), + .clk(lsu_c1_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) misaligned_fault_rff( + .din(misaligned_fault_m), + .dout(misaligned_fault_r), + .clk(lsu_c1_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(4)) exc_mscause_rff( + .din(exc_mscause_m[3:0]), + .dout(exc_mscause_r[3:0]), + .clk(lsu_c1_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) fir_dccm_access_error_mff( + .din(fir_dccm_access_error_m), + .dout(fir_dccm_access_error_r), + .clk(lsu_c1_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) fir_nondccm_access_error_mff( + .din(fir_nondccm_access_error_m), + .dout(fir_nondccm_access_error_r), + .clk(lsu_c1_r_clk), + .rst_l(rst_l) + ); + end + else begin : L2U_Plus1_0 + wire [1:0] lsu_fir_error_m; + assign lsu_error_pkt_m[0] = (((((access_fault_m | misaligned_fault_m) | lsu_double_ecc_error_m) & lsu_pkt_m[0]) & ~lsu_pkt_m[4]) & ~lsu_pkt_m[13]) & ~flush_m_up; + assign lsu_error_pkt_m[1] = (lsu_single_ecc_error_m & ~lsu_error_pkt_m[0]) & ~lsu_pkt_m[4]; + assign lsu_error_pkt_m[39] = lsu_pkt_m[6]; + assign lsu_error_pkt_m[38] = ~misaligned_fault_m; + assign lsu_error_pkt_m[37:34] = ((lsu_double_ecc_error_m & ~misaligned_fault_m) & ~access_fault_m ? 4'h1 : exc_mscause_m[3:0]); + assign lsu_error_pkt_m[33:2] = lsu_addr_m[31:0]; + assign lsu_fir_error_m[1:0] = (fir_nondccm_access_error_m ? 2'b11 : (fir_dccm_access_error_m ? 2'b10 : (lsu_pkt_m[13] & lsu_double_ecc_error_m ? 2'b01 : 2'b00))); + rvdff #(.WIDTH(1)) lsu_exc_valid_rff( + .rst_l(rst_l), + .din(lsu_error_pkt_m[0]), + .dout(lsu_error_pkt_r[0]), + .clk(lsu_c2_r_clk) + ); + rvdff #(.WIDTH(1)) lsu_single_ecc_error_rff( + .rst_l(rst_l), + .din(lsu_error_pkt_m[1]), + .dout(lsu_error_pkt_r[1]), + .clk(lsu_c2_r_clk) + ); + rvdffe #(.WIDTH(38)) lsu_error_pkt_rff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(lsu_error_pkt_m[39:2]), + .dout(lsu_error_pkt_r[39:2]), + .en((lsu_error_pkt_m[0] | lsu_error_pkt_m[1]) | clk_override) + ); + rvdff #(.WIDTH(2)) lsu_fir_error_rff( + .rst_l(rst_l), + .din(lsu_fir_error_m[1:0]), + .dout(lsu_fir_error[1:0]), + .clk(lsu_c2_r_clk) + ); + end + endgenerate + always @(*) begin + dma_pkt_d = {14 {1'sb0}}; + dma_pkt_d[0] = dma_dccm_req; + dma_pkt_d[4] = 1'b1; + dma_pkt_d[6] = dma_mem_write; + dma_pkt_d[7] = ~dma_mem_write; + dma_pkt_d[11] = dma_mem_sz[2:0] == 3'b000; + dma_pkt_d[10] = dma_mem_sz[2:0] == 3'b001; + dma_pkt_d[9] = dma_mem_sz[2:0] == 3'b010; + dma_pkt_d[8] = dma_mem_sz[2:0] == 3'b011; + end + always @(*) begin + lsu_pkt_d = (dec_lsu_valid_raw_d ? lsu_p : dma_pkt_d); + lsu_pkt_m_in = lsu_pkt_d; + lsu_pkt_r_in = lsu_pkt_m; + lsu_pkt_d[0] = (lsu_p[0] & ~(flush_m_up & ~lsu_p[13])) | dma_dccm_req; + lsu_pkt_m_in[0] = lsu_pkt_d[0] & ~(flush_m_up & ~lsu_pkt_d[4]); + lsu_pkt_r_in[0] = lsu_pkt_m[0] & ~(flush_m_up & ~lsu_pkt_m[4]); + end + rvdff #(.WIDTH(1)) lsu_pkt_vldmff( + .rst_l(rst_l), + .din(lsu_pkt_m_in[0]), + .dout(lsu_pkt_m[0]), + .clk(lsu_c2_m_clk) + ); + rvdff #(.WIDTH(1)) lsu_pkt_vldrff( + .rst_l(rst_l), + .din(lsu_pkt_r_in[0]), + .dout(lsu_pkt_r[0]), + .clk(lsu_c2_r_clk) + ); + rvdff #(.WIDTH(13)) lsu_pkt_mff( + .rst_l(rst_l), + .din(lsu_pkt_m_in[13:1]), + .dout(lsu_pkt_m[13:1]), + .clk(lsu_c1_m_clk) + ); + rvdff #(.WIDTH(13)) lsu_pkt_rff( + .rst_l(rst_l), + .din(lsu_pkt_r_in[13:1]), + .dout(lsu_pkt_r[13:1]), + .clk(lsu_c1_r_clk) + ); + generate + if (pt[202-:5] == 1) begin : L2U1_Plus1_1 + wire [31:0] lsu_ld_datafn_r; + wire [31:0] lsu_ld_datafn_corr_r; + assign lsu_ld_datafn_r[31:0] = (addr_external_r ? bus_read_data_r[31:0] : lsu_ld_data_r[31:0]); + assign lsu_ld_datafn_corr_r[31:0] = (addr_external_r ? bus_read_data_r[31:0] : lsu_ld_data_corr_r[31:0]); + assign lsu_result_m[31:0] = (((({32 {lsu_pkt_r[5] & lsu_pkt_r[11]}} & {24'b000000000000000000000000, lsu_ld_datafn_r[7:0]}) | ({32 {lsu_pkt_r[5] & lsu_pkt_r[10]}} & {16'b0000000000000000, lsu_ld_datafn_r[15:0]})) | ({32 {~lsu_pkt_r[5] & lsu_pkt_r[11]}} & {{24 {lsu_ld_datafn_r[7]}}, lsu_ld_datafn_r[7:0]})) | ({32 {~lsu_pkt_r[5] & lsu_pkt_r[10]}} & {{16 {lsu_ld_datafn_r[15]}}, lsu_ld_datafn_r[15:0]})) | ({32 {lsu_pkt_r[9]}} & lsu_ld_datafn_r[31:0]); + assign lsu_result_corr_r[31:0] = (((({32 {lsu_pkt_r[5] & lsu_pkt_r[11]}} & {24'b000000000000000000000000, lsu_ld_datafn_corr_r[7:0]}) | ({32 {lsu_pkt_r[5] & lsu_pkt_r[10]}} & {16'b0000000000000000, lsu_ld_datafn_corr_r[15:0]})) | ({32 {~lsu_pkt_r[5] & lsu_pkt_r[11]}} & {{24 {lsu_ld_datafn_corr_r[7]}}, lsu_ld_datafn_corr_r[7:0]})) | ({32 {~lsu_pkt_r[5] & lsu_pkt_r[10]}} & {{16 {lsu_ld_datafn_corr_r[15]}}, lsu_ld_datafn_corr_r[15:0]})) | ({32 {lsu_pkt_r[9]}} & lsu_ld_datafn_corr_r[31:0]); + end + else begin : L2U1_Plus1_0 + wire [31:0] lsu_ld_datafn_m; + wire [31:0] lsu_ld_datafn_corr_r; + assign lsu_ld_datafn_m[31:0] = (addr_external_m ? bus_read_data_m[31:0] : lsu_ld_data_m[31:0]); + assign lsu_ld_datafn_corr_r[31:0] = (addr_external_r ? bus_read_data_r[31:0] : lsu_ld_data_corr_r[31:0]); + assign lsu_result_m[31:0] = (((({32 {lsu_pkt_m[5] & lsu_pkt_m[11]}} & {24'b000000000000000000000000, lsu_ld_datafn_m[7:0]}) | ({32 {lsu_pkt_m[5] & lsu_pkt_m[10]}} & {16'b0000000000000000, lsu_ld_datafn_m[15:0]})) | ({32 {~lsu_pkt_m[5] & lsu_pkt_m[11]}} & {{24 {lsu_ld_datafn_m[7]}}, lsu_ld_datafn_m[7:0]})) | ({32 {~lsu_pkt_m[5] & lsu_pkt_m[10]}} & {{16 {lsu_ld_datafn_m[15]}}, lsu_ld_datafn_m[15:0]})) | ({32 {lsu_pkt_m[9]}} & lsu_ld_datafn_m[31:0]); + assign lsu_result_corr_r[31:0] = (((({32 {lsu_pkt_r[5] & lsu_pkt_r[11]}} & {24'b000000000000000000000000, lsu_ld_datafn_corr_r[7:0]}) | ({32 {lsu_pkt_r[5] & lsu_pkt_r[10]}} & {16'b0000000000000000, lsu_ld_datafn_corr_r[15:0]})) | ({32 {~lsu_pkt_r[5] & lsu_pkt_r[11]}} & {{24 {lsu_ld_datafn_corr_r[7]}}, lsu_ld_datafn_corr_r[7:0]})) | ({32 {~lsu_pkt_r[5] & lsu_pkt_r[10]}} & {{16 {lsu_ld_datafn_corr_r[15]}}, lsu_ld_datafn_corr_r[15:0]})) | ({32 {lsu_pkt_r[9]}} & lsu_ld_datafn_corr_r[31:0]); + end + endgenerate + assign lsu_fir_addr[31:1] = lsu_ld_data_corr_r[31:1]; + assign lsu_addr_d[31:0] = full_addr_d[31:0]; + assign lsu_commit_r = ((lsu_pkt_r[0] & (lsu_pkt_r[6] | lsu_pkt_r[7])) & ~flush_r) & ~lsu_pkt_r[4]; + assign dma_mem_wdata_shifted[63:0] = dma_mem_wdata[63:0] >> {dma_mem_addr[2:0], 3'b000}; + assign store_data_d[31:0] = (dma_dccm_req ? dma_mem_wdata_shifted[31:0] : exu_lsu_rs2_d[31:0]); + assign store_data_m_in[31:0] = (lsu_pkt_d[3] ? lsu_result_m[31:0] : store_data_d[31:0]); + assign store_data_m[31:0] = (picm_mask_data_m[31:0] | {32 {~addr_in_pic_m}}) & (lsu_pkt_m[1] ? lsu_result_m[31:0] : store_data_pre_m[31:0]); + rvdff #(.WIDTH(32)) sdmff( + .rst_l(rst_l), + .din(store_data_m_in[31:0]), + .dout(store_data_pre_m[31:0]), + .clk(lsu_store_c1_m_clk) + ); + rvdff #(.WIDTH(32)) samff( + .rst_l(rst_l), + .din(lsu_addr_d[31:0]), + .dout(lsu_addr_m[31:0]), + .clk(lsu_c1_m_clk) + ); + rvdff #(.WIDTH(32)) sarff( + .rst_l(rst_l), + .din(lsu_addr_m[31:0]), + .dout(lsu_addr_r[31:0]), + .clk(lsu_c1_r_clk) + ); + assign end_addr_m[31:3] = (ldst_dual_m ? end_addr_pre_m[31:3] : lsu_addr_m[31:3]); + assign end_addr_r[31:3] = (ldst_dual_r ? end_addr_pre_r[31:3] : lsu_addr_r[31:3]); + rvdffe #(.WIDTH(29)) end_addr_hi_mff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(end_addr_d[31:3]), + .dout(end_addr_pre_m[31:3]), + .en((lsu_pkt_d[0] & ldst_dual_d) | clk_override) + ); + rvdffe #(.WIDTH(29)) end_addr_hi_rff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(end_addr_m[31:3]), + .dout(end_addr_pre_r[31:3]), + .en((lsu_pkt_m[0] & ldst_dual_m) | clk_override) + ); + rvdff #(.WIDTH(3)) end_addr_lo_mff( + .rst_l(rst_l), + .din(end_addr_d[2:0]), + .dout(end_addr_m[2:0]), + .clk(lsu_c1_m_clk) + ); + rvdff #(.WIDTH(3)) end_addr_lo_rff( + .rst_l(rst_l), + .din(end_addr_m[2:0]), + .dout(end_addr_r[2:0]), + .clk(lsu_c1_r_clk) + ); + rvdff #(.WIDTH(1)) addr_in_dccm_mff( + .din(addr_in_dccm_d), + .dout(addr_in_dccm_m), + .clk(lsu_c1_m_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) addr_in_dccm_rff( + .din(addr_in_dccm_m), + .dout(addr_in_dccm_r), + .clk(lsu_c1_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) addr_in_pic_mff( + .din(addr_in_pic_d), + .dout(addr_in_pic_m), + .clk(lsu_c1_m_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) addr_in_pic_rff( + .din(addr_in_pic_m), + .dout(addr_in_pic_r), + .clk(lsu_c1_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) addr_external_mff( + .din(addr_external_d), + .dout(addr_external_m), + .clk(lsu_c1_m_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) addr_external_rff( + .din(addr_external_m), + .dout(addr_external_r), + .clk(lsu_c1_r_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) access_fault_mff( + .din(access_fault_d), + .dout(access_fault_m), + .clk(lsu_c1_m_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) misaligned_fault_mff( + .din(misaligned_fault_d), + .dout(misaligned_fault_m), + .clk(lsu_c1_m_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(4)) exc_mscause_mff( + .din(exc_mscause_d[3:0]), + .dout(exc_mscause_m[3:0]), + .clk(lsu_c1_m_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) fir_dccm_access_error_mff( + .din(fir_dccm_access_error_d), + .dout(fir_dccm_access_error_m), + .clk(lsu_c1_m_clk), + .rst_l(rst_l) + ); + rvdff #(.WIDTH(1)) fir_nondccm_access_error_mff( + .din(fir_nondccm_access_error_d), + .dout(fir_nondccm_access_error_m), + .clk(lsu_c1_m_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(32)) bus_read_data_r_ff( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(bus_read_data_m[31:0]), + .dout(bus_read_data_r[31:0]), + .en(addr_external_m | clk_override) + ); +endmodule +module eb1_lsu_stbuf ( + clk, + rst_l, + lsu_stbuf_c1_clk, + lsu_free_c2_clk, + store_stbuf_reqvld_r, + lsu_commit_r, + dec_lsu_valid_raw_d, + store_data_hi_r, + store_data_lo_r, + store_datafn_hi_r, + store_datafn_lo_r, + stbuf_reqvld_any, + stbuf_reqvld_flushed_any, + stbuf_addr_any, + stbuf_data_any, + lsu_stbuf_commit_any, + lsu_stbuf_full_any, + lsu_stbuf_empty_any, + ldst_stbuf_reqvld_r, + lsu_addr_d, + lsu_addr_m, + lsu_addr_r, + end_addr_d, + end_addr_m, + end_addr_r, + ldst_dual_d, + ldst_dual_m, + ldst_dual_r, + addr_in_dccm_m, + addr_in_dccm_r, + lsu_cmpen_m, + lsu_pkt_m, + lsu_pkt_r, + stbuf_fwddata_hi_m, + stbuf_fwddata_lo_m, + stbuf_fwdbyteen_hi_m, + stbuf_fwdbyteen_lo_m, + scan_mode +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire clk; + input wire rst_l; + input wire lsu_stbuf_c1_clk; + input wire lsu_free_c2_clk; + input wire store_stbuf_reqvld_r; + input wire lsu_commit_r; + input wire dec_lsu_valid_raw_d; + input wire [pt[1382-:10] - 1:0] store_data_hi_r; + input wire [pt[1382-:10] - 1:0] store_data_lo_r; + input wire [pt[1382-:10] - 1:0] store_datafn_hi_r; + input wire [pt[1382-:10] - 1:0] store_datafn_lo_r; + output wire stbuf_reqvld_any; + output wire stbuf_reqvld_flushed_any; + output wire [pt[157-:9] - 1:0] stbuf_addr_any; + output wire [pt[1382-:10] - 1:0] stbuf_data_any; + input wire lsu_stbuf_commit_any; + output wire lsu_stbuf_full_any; + output wire lsu_stbuf_empty_any; + output wire ldst_stbuf_reqvld_r; + input wire [pt[157-:9] - 1:0] lsu_addr_d; + input wire [31:0] lsu_addr_m; + input wire [31:0] lsu_addr_r; + input wire [pt[157-:9] - 1:0] end_addr_d; + input wire [31:0] end_addr_m; + input wire [31:0] end_addr_r; + input wire ldst_dual_d; + input wire ldst_dual_m; + input wire ldst_dual_r; + input wire addr_in_dccm_m; + input wire addr_in_dccm_r; + input wire lsu_cmpen_m; + input wire [13:0] lsu_pkt_m; + input wire [13:0] lsu_pkt_r; + output wire [pt[1382-:10] - 1:0] stbuf_fwddata_hi_m; + output wire [pt[1382-:10] - 1:0] stbuf_fwddata_lo_m; + output wire [pt[1389-:7] - 1:0] stbuf_fwdbyteen_hi_m; + output wire [pt[1389-:7] - 1:0] stbuf_fwdbyteen_lo_m; + input wire scan_mode; + localparam DEPTH = pt[148-:8]; + localparam DATA_WIDTH = pt[1382-:10]; + localparam BYTE_WIDTH = pt[1389-:7]; + localparam DEPTH_LOG2 = $clog2(DEPTH); + wire [DEPTH - 1:0] stbuf_vld; + wire [DEPTH - 1:0] stbuf_dma_kill; + wire [(DEPTH * pt[157-:9]) - 1:0] stbuf_addr; + wire [(DEPTH * BYTE_WIDTH) - 1:0] stbuf_byteen; + wire [(DEPTH * DATA_WIDTH) - 1:0] stbuf_data; + wire [DEPTH - 1:0] sel_lo; + wire [DEPTH - 1:0] stbuf_wr_en; + reg [DEPTH - 1:0] stbuf_dma_kill_en; + wire [DEPTH - 1:0] stbuf_reset; + wire [(DEPTH * pt[157-:9]) - 1:0] stbuf_addrin; + wire [(DEPTH * DATA_WIDTH) - 1:0] stbuf_datain; + wire [(DEPTH * BYTE_WIDTH) - 1:0] stbuf_byteenin; + wire [7:0] store_byteen_ext_r; + wire [BYTE_WIDTH - 1:0] store_byteen_hi_r; + wire [BYTE_WIDTH - 1:0] store_byteen_lo_r; + wire WrPtrEn; + wire RdPtrEn; + wire [DEPTH_LOG2 - 1:0] WrPtr; + wire [DEPTH_LOG2 - 1:0] RdPtr; + wire [DEPTH_LOG2 - 1:0] NxtWrPtr; + wire [DEPTH_LOG2 - 1:0] NxtRdPtr; + wire [DEPTH_LOG2 - 1:0] WrPtrPlus1; + wire [DEPTH_LOG2 - 1:0] WrPtrPlus2; + wire [DEPTH_LOG2 - 1:0] RdPtrPlus1; + wire dual_stbuf_write_r; + wire isdccmst_m; + wire isdccmst_r; + reg [3:0] stbuf_numvld_any; + wire [3:0] stbuf_specvld_any; + wire [1:0] stbuf_specvld_m; + wire [1:0] stbuf_specvld_r; + wire [pt[157-:9] - 1:$clog2(BYTE_WIDTH)] cmpaddr_hi_m; + wire [pt[157-:9] - 1:$clog2(BYTE_WIDTH)] cmpaddr_lo_m; + reg [DEPTH - 1:0] stbuf_match_hi; + reg [DEPTH - 1:0] stbuf_match_lo; + reg [(DEPTH * BYTE_WIDTH) - 1:0] stbuf_fwdbyteenvec_hi; + reg [(DEPTH * BYTE_WIDTH) - 1:0] stbuf_fwdbyteenvec_lo; + reg [DATA_WIDTH - 1:0] stbuf_fwddata_hi_pre_m; + reg [DATA_WIDTH - 1:0] stbuf_fwddata_lo_pre_m; + reg [BYTE_WIDTH - 1:0] stbuf_fwdbyteen_hi_pre_m; + reg [BYTE_WIDTH - 1:0] stbuf_fwdbyteen_lo_pre_m; + wire [BYTE_WIDTH - 1:0] ld_byte_rhit_lo_lo; + wire [BYTE_WIDTH - 1:0] ld_byte_rhit_hi_lo; + wire [BYTE_WIDTH - 1:0] ld_byte_rhit_lo_hi; + wire [BYTE_WIDTH - 1:0] ld_byte_rhit_hi_hi; + wire ld_addr_rhit_lo_lo; + wire ld_addr_rhit_hi_lo; + wire ld_addr_rhit_lo_hi; + wire ld_addr_rhit_hi_hi; + wire [BYTE_WIDTH - 1:0] ld_byte_hit_lo; + wire [BYTE_WIDTH - 1:0] ld_byte_rhit_lo; + wire [BYTE_WIDTH - 1:0] ld_byte_hit_hi; + wire [BYTE_WIDTH - 1:0] ld_byte_rhit_hi; + wire [BYTE_WIDTH - 1:0] ldst_byteen_hi_r; + wire [BYTE_WIDTH - 1:0] ldst_byteen_lo_r; + wire [7:0] ldst_byteen_r; + wire [7:0] ldst_byteen_ext_r; + wire [31:0] ld_fwddata_rpipe_lo; + wire [31:0] ld_fwddata_rpipe_hi; + wire [DEPTH - 1:0] store_matchvec_lo_r; + wire [DEPTH - 1:0] store_matchvec_hi_r; + wire store_coalesce_lo_r; + wire store_coalesce_hi_r; + assign store_byteen_ext_r[7:0] = ldst_byteen_r[7:0] << lsu_addr_r[1:0]; + assign store_byteen_hi_r[BYTE_WIDTH - 1:0] = store_byteen_ext_r[7:4] & {4 {lsu_pkt_r[6]}}; + assign store_byteen_lo_r[BYTE_WIDTH - 1:0] = store_byteen_ext_r[3:0] & {4 {lsu_pkt_r[6]}}; + assign RdPtrPlus1[DEPTH_LOG2 - 1:0] = RdPtr[DEPTH_LOG2 - 1:0] + 1'b1; + assign WrPtrPlus1[DEPTH_LOG2 - 1:0] = WrPtr[DEPTH_LOG2 - 1:0] + 1'b1; + assign WrPtrPlus2[DEPTH_LOG2 - 1:0] = WrPtr[DEPTH_LOG2 - 1:0] + 2'b10; + assign dual_stbuf_write_r = ldst_dual_r & store_stbuf_reqvld_r; + assign ldst_stbuf_reqvld_r = (lsu_commit_r | lsu_pkt_r[4]) & store_stbuf_reqvld_r; + generate + genvar i; + for (i = 0; i < DEPTH; i = i + 1) begin : FindMatchEntry + assign store_matchvec_lo_r[i] = (((stbuf_addr[(i * pt[157-:9]) + ((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? pt[157-:9] - 1 : ((pt[157-:9] - 1) + ((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? ((pt[157-:9] - 1) - $clog2(BYTE_WIDTH)) + 1 : ($clog2(BYTE_WIDTH) - (pt[157-:9] - 1)) + 1)) - 1)-:((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? ((pt[157-:9] - 1) - $clog2(BYTE_WIDTH)) + 1 : ($clog2(BYTE_WIDTH) - (pt[157-:9] - 1)) + 1)] == lsu_addr_r[pt[157-:9] - 1:$clog2(BYTE_WIDTH)]) & stbuf_vld[i]) & ~stbuf_dma_kill[i]) & ~stbuf_reset[i]; + assign store_matchvec_hi_r[i] = ((((stbuf_addr[(i * pt[157-:9]) + ((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? pt[157-:9] - 1 : ((pt[157-:9] - 1) + ((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? ((pt[157-:9] - 1) - $clog2(BYTE_WIDTH)) + 1 : ($clog2(BYTE_WIDTH) - (pt[157-:9] - 1)) + 1)) - 1)-:((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? ((pt[157-:9] - 1) - $clog2(BYTE_WIDTH)) + 1 : ($clog2(BYTE_WIDTH) - (pt[157-:9] - 1)) + 1)] == end_addr_r[pt[157-:9] - 1:$clog2(BYTE_WIDTH)]) & stbuf_vld[i]) & ~stbuf_dma_kill[i]) & dual_stbuf_write_r) & ~stbuf_reset[i]; + end + endgenerate + assign store_coalesce_lo_r = |store_matchvec_lo_r[DEPTH - 1:0]; + assign store_coalesce_hi_r = |store_matchvec_hi_r[DEPTH - 1:0]; + generate + if (pt[1365-:5] == 1) begin : Gen_dccm_enable + for (i = 0; i < DEPTH; i = i + 1) begin : GenStBuf + assign stbuf_wr_en[i] = ldst_stbuf_reqvld_r & ((((((i == WrPtr[DEPTH_LOG2 - 1:0]) & ~store_coalesce_lo_r) | (((i == WrPtr[DEPTH_LOG2 - 1:0]) & dual_stbuf_write_r) & ~store_coalesce_hi_r)) | (((i == WrPtrPlus1[DEPTH_LOG2 - 1:0]) & dual_stbuf_write_r) & ~(store_coalesce_lo_r | store_coalesce_hi_r))) | store_matchvec_lo_r[i]) | store_matchvec_hi_r[i]); + assign stbuf_reset[i] = (lsu_stbuf_commit_any | stbuf_reqvld_flushed_any) & (i == RdPtr[DEPTH_LOG2 - 1:0]); + assign sel_lo[i] = (((~ldst_dual_r | store_stbuf_reqvld_r) & (i == WrPtr[DEPTH_LOG2 - 1:0])) & ~store_coalesce_lo_r) | store_matchvec_lo_r[i]; + assign stbuf_addrin[(i * pt[157-:9]) + (pt[157-:9] - 1)-:pt[157-:9]] = (sel_lo[i] ? lsu_addr_r[pt[157-:9] - 1:0] : end_addr_r[pt[157-:9] - 1:0]); + assign stbuf_byteenin[(i * BYTE_WIDTH) + (BYTE_WIDTH - 1)-:BYTE_WIDTH] = (sel_lo[i] ? stbuf_byteen[(i * BYTE_WIDTH) + (BYTE_WIDTH - 1)-:BYTE_WIDTH] | store_byteen_lo_r[BYTE_WIDTH - 1:0] : stbuf_byteen[(i * BYTE_WIDTH) + (BYTE_WIDTH - 1)-:BYTE_WIDTH] | store_byteen_hi_r[BYTE_WIDTH - 1:0]); + assign stbuf_datain[(i * DATA_WIDTH) + 7-:8] = (sel_lo[i] ? (~stbuf_byteen[i * BYTE_WIDTH] | store_byteen_lo_r[0] ? store_datafn_lo_r[7:0] : stbuf_data[(i * DATA_WIDTH) + 7-:8]) : (~stbuf_byteen[i * BYTE_WIDTH] | store_byteen_hi_r[0] ? store_datafn_hi_r[7:0] : stbuf_data[(i * DATA_WIDTH) + 7-:8])); + assign stbuf_datain[(i * DATA_WIDTH) + 15-:8] = (sel_lo[i] ? (~stbuf_byteen[(i * BYTE_WIDTH) + 1] | store_byteen_lo_r[1] ? store_datafn_lo_r[15:8] : stbuf_data[(i * DATA_WIDTH) + 15-:8]) : (~stbuf_byteen[(i * BYTE_WIDTH) + 1] | store_byteen_hi_r[1] ? store_datafn_hi_r[15:8] : stbuf_data[(i * DATA_WIDTH) + 15-:8])); + assign stbuf_datain[(i * DATA_WIDTH) + 23-:8] = (sel_lo[i] ? (~stbuf_byteen[(i * BYTE_WIDTH) + 2] | store_byteen_lo_r[2] ? store_datafn_lo_r[23:16] : stbuf_data[(i * DATA_WIDTH) + 23-:8]) : (~stbuf_byteen[(i * BYTE_WIDTH) + 2] | store_byteen_hi_r[2] ? store_datafn_hi_r[23:16] : stbuf_data[(i * DATA_WIDTH) + 23-:8])); + assign stbuf_datain[(i * DATA_WIDTH) + 31-:8] = (sel_lo[i] ? (~stbuf_byteen[(i * BYTE_WIDTH) + 3] | store_byteen_lo_r[3] ? store_datafn_lo_r[31:24] : stbuf_data[(i * DATA_WIDTH) + 31-:8]) : (~stbuf_byteen[(i * BYTE_WIDTH) + 3] | store_byteen_hi_r[3] ? store_datafn_hi_r[31:24] : stbuf_data[(i * DATA_WIDTH) + 31-:8])); + rvdffsc #(.WIDTH(1)) stbuf_vldff( + .din(1'b1), + .dout(stbuf_vld[i]), + .en(stbuf_wr_en[i]), + .clear(stbuf_reset[i]), + .clk(lsu_free_c2_clk), + .rst_l(rst_l) + ); + rvdffsc #(.WIDTH(1)) stbuf_killff( + .din(1'b1), + .dout(stbuf_dma_kill[i]), + .en(stbuf_dma_kill_en[i]), + .clear(stbuf_reset[i]), + .clk(lsu_free_c2_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(pt[157-:9])) stbuf_addrff( + .din(stbuf_addrin[(i * pt[157-:9]) + (pt[157-:9] - 1)-:pt[157-:9]]), + .dout(stbuf_addr[(i * pt[157-:9]) + (pt[157-:9] - 1)-:pt[157-:9]]), + .en(stbuf_wr_en[i]), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + rvdffsc #(.WIDTH(BYTE_WIDTH)) stbuf_byteenff( + .din(stbuf_byteenin[(i * BYTE_WIDTH) + (BYTE_WIDTH - 1)-:BYTE_WIDTH]), + .dout(stbuf_byteen[(i * BYTE_WIDTH) + (BYTE_WIDTH - 1)-:BYTE_WIDTH]), + .en(stbuf_wr_en[i]), + .clear(stbuf_reset[i]), + .clk(lsu_stbuf_c1_clk), + .rst_l(rst_l) + ); + rvdffe #(.WIDTH(DATA_WIDTH)) stbuf_dataff( + .din(stbuf_datain[(i * DATA_WIDTH) + (DATA_WIDTH - 1)-:DATA_WIDTH]), + .dout(stbuf_data[(i * DATA_WIDTH) + (DATA_WIDTH - 1)-:DATA_WIDTH]), + .en(stbuf_wr_en[i]), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode) + ); + end + end + else begin : Gen_dccm_disable + assign stbuf_wr_en[DEPTH - 1:0] = {DEPTH {1'sb0}}; + assign stbuf_reset[DEPTH - 1:0] = {DEPTH {1'sb0}}; + assign stbuf_vld[DEPTH - 1:0] = {DEPTH {1'sb0}}; + assign stbuf_dma_kill[DEPTH - 1:0] = {DEPTH {1'sb0}}; + assign stbuf_addr[pt[157-:9] * ((DEPTH - 1) - (DEPTH - 1))+:pt[157-:9] * DEPTH] = {pt[157-:9] * DEPTH {1'sb0}}; + assign stbuf_byteen[BYTE_WIDTH * ((DEPTH - 1) - (DEPTH - 1))+:BYTE_WIDTH * DEPTH] = {BYTE_WIDTH * DEPTH {1'sb0}}; + assign stbuf_data[DATA_WIDTH * ((DEPTH - 1) - (DEPTH - 1))+:DATA_WIDTH * DEPTH] = {DATA_WIDTH * DEPTH {1'sb0}}; + end + endgenerate + assign stbuf_reqvld_flushed_any = stbuf_vld[RdPtr] & stbuf_dma_kill[RdPtr]; + assign stbuf_reqvld_any = (stbuf_vld[RdPtr] & ~stbuf_dma_kill[RdPtr]) & ~(|stbuf_dma_kill_en[DEPTH - 1:0]); + assign stbuf_addr_any[pt[157-:9] - 1:0] = stbuf_addr[(RdPtr * pt[157-:9]) + (pt[157-:9] - 1)-:pt[157-:9]]; + assign stbuf_data_any[DATA_WIDTH - 1:0] = stbuf_data[(RdPtr * DATA_WIDTH) + (DATA_WIDTH - 1)-:DATA_WIDTH]; + assign WrPtrEn = ((ldst_stbuf_reqvld_r & ~dual_stbuf_write_r) & ~(store_coalesce_hi_r | store_coalesce_lo_r)) | ((ldst_stbuf_reqvld_r & dual_stbuf_write_r) & ~(store_coalesce_hi_r & store_coalesce_lo_r)); + assign NxtWrPtr[DEPTH_LOG2 - 1:0] = ((ldst_stbuf_reqvld_r & dual_stbuf_write_r) & ~(store_coalesce_hi_r | store_coalesce_lo_r) ? WrPtrPlus2[DEPTH_LOG2 - 1:0] : WrPtrPlus1[DEPTH_LOG2 - 1:0]); + assign RdPtrEn = lsu_stbuf_commit_any | stbuf_reqvld_flushed_any; + assign NxtRdPtr[DEPTH_LOG2 - 1:0] = RdPtrPlus1[DEPTH_LOG2 - 1:0]; + always @(*) begin + stbuf_numvld_any[3:0] = {4 {1'sb0}}; + begin : sv2v_autoblock_59 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + stbuf_numvld_any[3:0] = stbuf_numvld_any[3:0] + {3'b000, stbuf_vld[i]}; + end + end + assign isdccmst_m = ((lsu_pkt_m[0] & lsu_pkt_m[6]) & addr_in_dccm_m) & ~lsu_pkt_m[4]; + assign isdccmst_r = ((lsu_pkt_r[0] & lsu_pkt_r[6]) & addr_in_dccm_r) & ~lsu_pkt_r[4]; + assign stbuf_specvld_m[1:0] = {1'b0, isdccmst_m} << (isdccmst_m & ldst_dual_m); + assign stbuf_specvld_r[1:0] = {1'b0, isdccmst_r} << (isdccmst_r & ldst_dual_r); + assign stbuf_specvld_any[3:0] = (stbuf_numvld_any[3:0] + {2'b00, stbuf_specvld_m[1:0]}) + {2'b00, stbuf_specvld_r[1:0]}; + assign lsu_stbuf_full_any = (~ldst_dual_d & dec_lsu_valid_raw_d ? stbuf_specvld_any[3:0] >= DEPTH : stbuf_specvld_any[3:0] >= (DEPTH - 1)); + assign lsu_stbuf_empty_any = stbuf_numvld_any[3:0] == 4'b0000; + assign cmpaddr_hi_m[pt[157-:9] - 1:$clog2(BYTE_WIDTH)] = end_addr_m[pt[157-:9] - 1:$clog2(BYTE_WIDTH)]; + assign cmpaddr_lo_m[pt[157-:9] - 1:$clog2(BYTE_WIDTH)] = lsu_addr_m[pt[157-:9] - 1:$clog2(BYTE_WIDTH)]; + always @(*) begin : GenLdFwd + stbuf_fwdbyteen_hi_pre_m[BYTE_WIDTH - 1:0] = {BYTE_WIDTH {1'sb0}}; + stbuf_fwdbyteen_lo_pre_m[BYTE_WIDTH - 1:0] = {BYTE_WIDTH {1'sb0}}; + begin : sv2v_autoblock_60 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + begin + stbuf_match_hi[i] = (((stbuf_addr[(i * pt[157-:9]) + ((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? pt[157-:9] - 1 : ((pt[157-:9] - 1) + ((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? ((pt[157-:9] - 1) - $clog2(BYTE_WIDTH)) + 1 : ($clog2(BYTE_WIDTH) - (pt[157-:9] - 1)) + 1)) - 1)-:((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? ((pt[157-:9] - 1) - $clog2(BYTE_WIDTH)) + 1 : ($clog2(BYTE_WIDTH) - (pt[157-:9] - 1)) + 1)] == cmpaddr_hi_m[pt[157-:9] - 1:$clog2(BYTE_WIDTH)]) & stbuf_vld[i]) & ~stbuf_dma_kill[i]) & addr_in_dccm_m; + stbuf_match_lo[i] = (((stbuf_addr[(i * pt[157-:9]) + ((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? pt[157-:9] - 1 : ((pt[157-:9] - 1) + ((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? ((pt[157-:9] - 1) - $clog2(BYTE_WIDTH)) + 1 : ($clog2(BYTE_WIDTH) - (pt[157-:9] - 1)) + 1)) - 1)-:((pt[157-:9] - 1) >= $clog2(BYTE_WIDTH) ? ((pt[157-:9] - 1) - $clog2(BYTE_WIDTH)) + 1 : ($clog2(BYTE_WIDTH) - (pt[157-:9] - 1)) + 1)] == cmpaddr_lo_m[pt[157-:9] - 1:$clog2(BYTE_WIDTH)]) & stbuf_vld[i]) & ~stbuf_dma_kill[i]) & addr_in_dccm_m; + stbuf_dma_kill_en[i] = (((stbuf_match_hi[i] | stbuf_match_lo[i]) & lsu_pkt_m[0]) & lsu_pkt_m[4]) & lsu_pkt_m[6]; + begin : sv2v_autoblock_61 + reg signed [31:0] j; + for (j = 0; j < BYTE_WIDTH; j = j + 1) + begin + stbuf_fwdbyteenvec_hi[(i * BYTE_WIDTH) + j] = (stbuf_match_hi[i] & stbuf_byteen[(i * BYTE_WIDTH) + j]) & stbuf_vld[i]; + stbuf_fwdbyteen_hi_pre_m[j] = stbuf_fwdbyteen_hi_pre_m[j] | stbuf_fwdbyteenvec_hi[(i * BYTE_WIDTH) + j]; + stbuf_fwdbyteenvec_lo[(i * BYTE_WIDTH) + j] = (stbuf_match_lo[i] & stbuf_byteen[(i * BYTE_WIDTH) + j]) & stbuf_vld[i]; + stbuf_fwdbyteen_lo_pre_m[j] = stbuf_fwdbyteen_lo_pre_m[j] | stbuf_fwdbyteenvec_lo[(i * BYTE_WIDTH) + j]; + end + end + end + end + end + always @(*) begin : GenLdData + stbuf_fwddata_hi_pre_m[31:0] = {32 {1'sb0}}; + stbuf_fwddata_lo_pre_m[31:0] = {32 {1'sb0}}; + begin : sv2v_autoblock_62 + reg signed [31:0] i; + for (i = 0; i < DEPTH; i = i + 1) + begin + stbuf_fwddata_hi_pre_m[31:0] = stbuf_fwddata_hi_pre_m[31:0] | ({32 {stbuf_match_hi[i]}} & stbuf_data[(i * DATA_WIDTH) + 31-:32]); + stbuf_fwddata_lo_pre_m[31:0] = stbuf_fwddata_lo_pre_m[31:0] | ({32 {stbuf_match_lo[i]}} & stbuf_data[(i * DATA_WIDTH) + 31-:32]); + end + end + end + assign ldst_byteen_r[7:0] = ((({8 {lsu_pkt_r[11]}} & 8'b00000001) | ({8 {lsu_pkt_r[10]}} & 8'b00000011)) | ({8 {lsu_pkt_r[9]}} & 8'b00001111)) | ({8 {lsu_pkt_r[8]}} & 8'b11111111); + assign ldst_byteen_ext_r[7:0] = ldst_byteen_r[7:0] << lsu_addr_r[1:0]; + assign ldst_byteen_hi_r[3:0] = ldst_byteen_ext_r[7:4]; + assign ldst_byteen_lo_r[3:0] = ldst_byteen_ext_r[3:0]; + assign ld_addr_rhit_lo_lo = (((lsu_addr_m[31:2] == lsu_addr_r[31:2]) & lsu_pkt_r[0]) & lsu_pkt_r[6]) & ~lsu_pkt_r[4]; + assign ld_addr_rhit_lo_hi = (((end_addr_m[31:2] == lsu_addr_r[31:2]) & lsu_pkt_r[0]) & lsu_pkt_r[6]) & ~lsu_pkt_r[4]; + assign ld_addr_rhit_hi_lo = ((((lsu_addr_m[31:2] == end_addr_r[31:2]) & lsu_pkt_r[0]) & lsu_pkt_r[6]) & ~lsu_pkt_r[4]) & dual_stbuf_write_r; + assign ld_addr_rhit_hi_hi = ((((end_addr_m[31:2] == end_addr_r[31:2]) & lsu_pkt_r[0]) & lsu_pkt_r[6]) & ~lsu_pkt_r[4]) & dual_stbuf_write_r; + generate + for (i = 0; i < BYTE_WIDTH; i = i + 1) begin + assign ld_byte_rhit_lo_lo[i] = ld_addr_rhit_lo_lo & ldst_byteen_lo_r[i]; + assign ld_byte_rhit_lo_hi[i] = ld_addr_rhit_lo_hi & ldst_byteen_lo_r[i]; + assign ld_byte_rhit_hi_lo[i] = ld_addr_rhit_hi_lo & ldst_byteen_hi_r[i]; + assign ld_byte_rhit_hi_hi[i] = ld_addr_rhit_hi_hi & ldst_byteen_hi_r[i]; + assign ld_byte_rhit_lo[i] = ld_byte_rhit_lo_lo[i] | ld_byte_rhit_hi_lo[i]; + assign ld_byte_rhit_hi[i] = ld_byte_rhit_lo_hi[i] | ld_byte_rhit_hi_hi[i]; + assign ld_fwddata_rpipe_lo[(8 * i) + 7:8 * i] = ({8 {ld_byte_rhit_lo_lo[i]}} & store_data_lo_r[(8 * i) + 7:8 * i]) | ({8 {ld_byte_rhit_hi_lo[i]}} & store_data_hi_r[(8 * i) + 7:8 * i]); + assign ld_fwddata_rpipe_hi[(8 * i) + 7:8 * i] = ({8 {ld_byte_rhit_lo_hi[i]}} & store_data_lo_r[(8 * i) + 7:8 * i]) | ({8 {ld_byte_rhit_hi_hi[i]}} & store_data_hi_r[(8 * i) + 7:8 * i]); + assign ld_byte_hit_lo[i] = ld_byte_rhit_lo_lo[i] | ld_byte_rhit_hi_lo[i]; + assign ld_byte_hit_hi[i] = ld_byte_rhit_lo_hi[i] | ld_byte_rhit_hi_hi[i]; + assign stbuf_fwdbyteen_hi_m[i] = ld_byte_hit_hi[i] | stbuf_fwdbyteen_hi_pre_m[i]; + assign stbuf_fwdbyteen_lo_m[i] = ld_byte_hit_lo[i] | stbuf_fwdbyteen_lo_pre_m[i]; + assign stbuf_fwddata_lo_m[(8 * i) + 7:8 * i] = (ld_byte_rhit_lo[i] ? ld_fwddata_rpipe_lo[(8 * i) + 7:8 * i] : stbuf_fwddata_lo_pre_m[(8 * i) + 7:8 * i]); + assign stbuf_fwddata_hi_m[(8 * i) + 7:8 * i] = (ld_byte_rhit_hi[i] ? ld_fwddata_rpipe_hi[(8 * i) + 7:8 * i] : stbuf_fwddata_hi_pre_m[(8 * i) + 7:8 * i]); + end + endgenerate + rvdffs #(.WIDTH(DEPTH_LOG2)) WrPtrff( + .din(NxtWrPtr[DEPTH_LOG2 - 1:0]), + .dout(WrPtr[DEPTH_LOG2 - 1:0]), + .en(WrPtrEn), + .clk(lsu_stbuf_c1_clk), + .rst_l(rst_l) + ); + rvdffs #(.WIDTH(DEPTH_LOG2)) RdPtrff( + .din(NxtRdPtr[DEPTH_LOG2 - 1:0]), + .dout(RdPtr[DEPTH_LOG2 - 1:0]), + .en(RdPtrEn), + .clk(lsu_stbuf_c1_clk), + .rst_l(rst_l) + ); +endmodule +module eb1_lsu_trigger ( + trigger_pkt_any, + lsu_pkt_m, + lsu_addr_m, + store_data_m, + lsu_trigger_match_m +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire [151:0] trigger_pkt_any; + input wire [13:0] lsu_pkt_m; + input wire [31:0] lsu_addr_m; + input wire [31:0] store_data_m; + output wire [3:0] lsu_trigger_match_m; + reg trigger_enable; + wire [127:0] lsu_match_data; + wire [3:0] lsu_trigger_data_match; + wire [31:0] store_data_trigger_m; + wire [31:0] ldst_addr_trigger_m; + always @(*) begin + trigger_enable = 1'b0; + begin : sv2v_autoblock_63 + reg signed [31:0] i; + for (i = 0; i < 4; i = i + 1) + trigger_enable = trigger_enable | trigger_pkt_any[(i * 38) + 32]; + end + end + assign store_data_trigger_m[31:0] = {{16 {lsu_pkt_m[9]}} & store_data_m[31:16], {8 {lsu_pkt_m[10] | lsu_pkt_m[9]}} & store_data_m[15:8], store_data_m[7:0]} & {32 {trigger_enable}}; + assign ldst_addr_trigger_m[31:0] = lsu_addr_m[31:0] & {32 {trigger_enable}}; + generate + genvar i; + for (i = 0; i < 4; i = i + 1) begin + assign lsu_match_data[(i * 32) + 31-:32] = ({32 {~trigger_pkt_any[(i * 38) + 37]}} & ldst_addr_trigger_m[31:0]) | ({32 {trigger_pkt_any[(i * 38) + 37] & trigger_pkt_any[(i * 38) + 35]}} & store_data_trigger_m[31:0]); + rvmaskandmatch trigger_match( + .mask(trigger_pkt_any[(i * 38) + 31-:32]), + .data(lsu_match_data[(i * 32) + 31-:32]), + .masken(trigger_pkt_any[(i * 38) + 36]), + .match(lsu_trigger_data_match[i]) + ); + assign lsu_trigger_match_m[i] = (((lsu_pkt_m[0] & ~lsu_pkt_m[4]) & trigger_enable) & ((trigger_pkt_any[(i * 38) + 35] & lsu_pkt_m[6]) | ((trigger_pkt_any[(i * 38) + 34] & lsu_pkt_m[7]) & ~trigger_pkt_any[(i * 38) + 37]))) & lsu_trigger_data_match[i]; + end + endgenerate +endmodule +module rvjtag_tap ( + trst, + tck, + tms, + tdi, + tdo, + tdoEnable, + wr_data, + wr_addr, + wr_en, + rd_en, + rd_data, + rd_status, + dmi_reset, + dmi_hard_reset, + idle, + dmi_stat, + jtag_id, + version +); + parameter AWIDTH = 7; + input trst; + input tck; + input tms; + input tdi; + output reg tdo; + output tdoEnable; + output [31:0] wr_data; + output [AWIDTH - 1:0] wr_addr; + output wr_en; + output rd_en; + input [31:0] rd_data; + input [1:0] rd_status; + output reg dmi_reset; + output reg dmi_hard_reset; + input [2:0] idle; + input [1:0] dmi_stat; + input [31:1] jtag_id; + input [3:0] version; + localparam USER_DR_LENGTH = AWIDTH + 34; + reg [USER_DR_LENGTH - 1:0] sr; + reg [USER_DR_LENGTH - 1:0] nsr; + reg [USER_DR_LENGTH - 1:0] dr; + reg [3:0] state; + reg [3:0] nstate; + reg [4:0] ir; + wire jtag_reset; + wire shift_dr; + wire pause_dr; + wire update_dr; + wire capture_dr; + wire shift_ir; + wire pause_ir; + wire update_ir; + wire capture_ir; + wire [1:0] dr_en; + wire devid_sel; + wire [5:0] abits; + assign abits = AWIDTH[5:0]; + localparam TEST_LOGIC_RESET_STATE = 0; + localparam RUN_TEST_IDLE_STATE = 1; + localparam SELECT_DR_SCAN_STATE = 2; + localparam CAPTURE_DR_STATE = 3; + localparam SHIFT_DR_STATE = 4; + localparam EXIT1_DR_STATE = 5; + localparam PAUSE_DR_STATE = 6; + localparam EXIT2_DR_STATE = 7; + localparam UPDATE_DR_STATE = 8; + localparam SELECT_IR_SCAN_STATE = 9; + localparam CAPTURE_IR_STATE = 10; + localparam SHIFT_IR_STATE = 11; + localparam EXIT1_IR_STATE = 12; + localparam PAUSE_IR_STATE = 13; + localparam EXIT2_IR_STATE = 14; + localparam UPDATE_IR_STATE = 15; + always @(*) begin + nstate = state; + case (state) + TEST_LOGIC_RESET_STATE: nstate = (tms ? TEST_LOGIC_RESET_STATE : RUN_TEST_IDLE_STATE); + RUN_TEST_IDLE_STATE: nstate = (tms ? SELECT_DR_SCAN_STATE : RUN_TEST_IDLE_STATE); + SELECT_DR_SCAN_STATE: nstate = (tms ? SELECT_IR_SCAN_STATE : CAPTURE_DR_STATE); + CAPTURE_DR_STATE: nstate = (tms ? EXIT1_DR_STATE : SHIFT_DR_STATE); + SHIFT_DR_STATE: nstate = (tms ? EXIT1_DR_STATE : SHIFT_DR_STATE); + EXIT1_DR_STATE: nstate = (tms ? UPDATE_DR_STATE : PAUSE_DR_STATE); + PAUSE_DR_STATE: nstate = (tms ? EXIT2_DR_STATE : PAUSE_DR_STATE); + EXIT2_DR_STATE: nstate = (tms ? UPDATE_DR_STATE : SHIFT_DR_STATE); + UPDATE_DR_STATE: nstate = (tms ? SELECT_DR_SCAN_STATE : RUN_TEST_IDLE_STATE); + SELECT_IR_SCAN_STATE: nstate = (tms ? TEST_LOGIC_RESET_STATE : CAPTURE_IR_STATE); + CAPTURE_IR_STATE: nstate = (tms ? EXIT1_IR_STATE : SHIFT_IR_STATE); + SHIFT_IR_STATE: nstate = (tms ? EXIT1_IR_STATE : SHIFT_IR_STATE); + EXIT1_IR_STATE: nstate = (tms ? UPDATE_IR_STATE : PAUSE_IR_STATE); + PAUSE_IR_STATE: nstate = (tms ? EXIT2_IR_STATE : PAUSE_IR_STATE); + EXIT2_IR_STATE: nstate = (tms ? UPDATE_IR_STATE : SHIFT_IR_STATE); + UPDATE_IR_STATE: nstate = (tms ? SELECT_DR_SCAN_STATE : RUN_TEST_IDLE_STATE); + default: nstate = TEST_LOGIC_RESET_STATE; + endcase + end + always @(posedge tck or negedge trst) + if (!trst) + state <= TEST_LOGIC_RESET_STATE; + else + state <= nstate; + assign jtag_reset = state == TEST_LOGIC_RESET_STATE; + assign shift_dr = state == SHIFT_DR_STATE; + assign pause_dr = state == PAUSE_DR_STATE; + assign update_dr = state == UPDATE_DR_STATE; + assign capture_dr = state == CAPTURE_DR_STATE; + assign shift_ir = state == SHIFT_IR_STATE; + assign pause_ir = state == PAUSE_IR_STATE; + assign update_ir = state == UPDATE_IR_STATE; + assign capture_ir = state == CAPTURE_IR_STATE; + assign tdoEnable = shift_dr | shift_ir; + always @(negedge tck or negedge trst) + if (!trst) + ir <= 5'b00001; + else if (jtag_reset) + ir <= 5'b00001; + else if (update_ir) + ir <= (sr[4:0] == {5 {1'sb0}} ? 5'h1f : sr[4:0]); + assign devid_sel = ir == 5'b00001; + assign dr_en[0] = ir == 5'b10000; + assign dr_en[1] = ir == 5'b10001; + always @(posedge tck or negedge trst) + if (!trst) + sr <= {USER_DR_LENGTH {1'sb0}}; + else + sr <= nsr; + always @(*) begin + nsr = sr; + case (1) + shift_dr: + case (1) + dr_en[1]: nsr = {tdi, sr[USER_DR_LENGTH - 1:1]}; + dr_en[0], devid_sel: nsr = {{USER_DR_LENGTH - 32 {1'b0}}, tdi, sr[31:1]}; + default: nsr = {{USER_DR_LENGTH - 1 {1'b0}}, tdi}; + endcase + capture_dr: begin + nsr[0] = 1'b0; + case (1) + dr_en[0]: nsr = {{USER_DR_LENGTH - 15 {1'b0}}, idle, dmi_stat, abits, version}; + dr_en[1]: nsr = {{AWIDTH {1'b0}}, rd_data, rd_status}; + devid_sel: nsr = {{USER_DR_LENGTH - 32 {1'b0}}, jtag_id, 1'b1}; + endcase + end + shift_ir: nsr = {{USER_DR_LENGTH - 5 {1'b0}}, tdi, sr[4:1]}; + capture_ir: nsr = {{USER_DR_LENGTH - 1 {1'b0}}, 1'b1}; + endcase + end + always @(negedge tck) tdo <= sr[0]; + always @(posedge tck or negedge trst) + if (!trst) begin + dmi_hard_reset <= 1'b0; + dmi_reset <= 1'b0; + end + else if (update_dr & dr_en[0]) begin + dmi_hard_reset <= sr[17]; + dmi_reset <= sr[16]; + end + else begin + dmi_hard_reset <= 1'b0; + dmi_reset <= 1'b0; + end + always @(posedge tck or negedge trst) + if (!trst) + dr <= {USER_DR_LENGTH {1'sb0}}; + else if (update_dr & dr_en[1]) + dr <= sr; + else + dr <= {dr[USER_DR_LENGTH - 1:2], 2'b00}; + assign {wr_addr, wr_data, wr_en, rd_en} = dr; +endmodule +module eb1_btb_tag_hash ( + pc, + hash +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire [((pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1] pc; + output wire [pt[2139-:9] - 1:0] hash; + assign hash = {(pc[((pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]) + pt[2139-:9]:((pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]) + 1] ^ pc[(pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]:(pt[2172-:9] + pt[2139-:9]) + 1]) ^ pc[pt[2172-:9] + pt[2139-:9]:pt[2172-:9] + 1]}; +endmodule +module eb1_btb_tag_hash_fold ( + pc, + hash +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire [(pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]:pt[2172-:9] + 1] pc; + output wire [pt[2139-:9] - 1:0] hash; + assign hash = {pc[(pt[2172-:9] + pt[2139-:9]) + pt[2139-:9]:(pt[2172-:9] + pt[2139-:9]) + 1] ^ pc[pt[2172-:9] + pt[2139-:9]:pt[2172-:9] + 1]}; +endmodule +module eb1_btb_addr_hash ( + pc, + hash +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire [pt[2079-:9]:pt[2106-:9]] pc; + output wire [pt[2172-:9]:pt[2163-:6]] hash; + generate + if (pt[2125-:5]) begin : fold2 + assign hash[pt[2172-:9]:pt[2163-:6]] = pc[pt[2115-:9]:pt[2106-:9]] ^ pc[pt[2079-:9]:pt[2070-:9]]; + end + else assign hash[pt[2172-:9]:pt[2163-:6]] = (pc[pt[2115-:9]:pt[2106-:9]] ^ pc[pt[2097-:9]:pt[2088-:9]]) ^ pc[pt[2079-:9]:pt[2070-:9]]; + endgenerate +endmodule +module eb1_btb_ghr_hash ( + hashin, + ghr, + hash +); + function automatic [0:0] sv2v_cast_1; + input reg [0:0] inp; + sv2v_cast_1 = inp; + endfunction + parameter [2270:0] pt = {232'h0808040001c0400000000000010102000060800080103c12160802000c, sv2v_cast_1(4'h0), 5'h01, 5'h01, 6'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 7'h02, 9'h00c, 7'h04, 10'h020, 7'h07, 5'h01, 10'h027, 8'h08, 9'h004, 8'h0f, 36'h0f0040000, 14'h0004, 6'h02, 7'h03, 5'h01, 7'h05, 9'h001, 6'h02, 8'h01, 5'h01, 5'h01, 7'h01, 7'h03, 6'h03, 8'h08, 7'h02, 8'h05, 8'h03, 5'h01, 18'h00200, 7'h04, 11'h040, 5'h01, 5'h00, 11'h047, 9'h00c, 11'h040, 8'h08, 8'h02, 8'h02, 7'h02, 5'h00, 8'h06, 13'h0010, 7'h01, 5'h01, 17'h00080, 7'h06, 9'h00d, 8'h02, 8'h02, 5'h01, 7'h02, 9'h003, 9'h004, 9'h00c, 5'h01, 5'h00, 8'h08, 9'h004, 5'h01, 8'h0a, 36'h0affff000, 14'h0004, 5'h01, 6'h02, 8'h03, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 36'h000000000, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 5'h00, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 36'h0ffffffff, 5'h00, 5'h00, 5'h01, 6'h02, 8'h03, 9'h004, 7'h02, 9'h00c, 8'h04, 5'h00, 5'h00, 36'h0f00c0000, 9'h00f, 8'h01, 8'h0f, 13'h0020, 12'h01f, 13'h0020, 8'h08, 5'h01, 6'h02, 8'h01, 5'h01}; + input wire [pt[2172-:9]:pt[2163-:6]] hashin; + input wire [pt[2236-:8] - 1:0] ghr; + output wire [pt[2270-:8]:pt[2262-:6]] hash; + generate + if (pt[2241-:5]) begin : ghrhash_cfg1 + assign hash[pt[2270-:8]:pt[2262-:6]] = {ghr[pt[2236-:8] - 1:pt[2115-:9] - 1], hashin[pt[2115-:9]:2] ^ ghr[pt[2115-:9] - 2:0]}; + end + else begin : ghrhash_cfg2 + assign hash[pt[2270-:8]:pt[2262-:6]] = {hashin[pt[2236-:8] + 1:2] ^ ghr[pt[2236-:8] - 1:0]}; + end + endgenerate +endmodule +module rvdff ( + din, + clk, + rst_l, + dout +); + parameter WIDTH = 1; + parameter SHORT = 0; + input wire [WIDTH - 1:0] din; + input wire clk; + input wire rst_l; + output reg [WIDTH - 1:0] dout; + generate + if (SHORT == 1) begin + wire [WIDTH:1] sv2v_tmp_70387; + assign sv2v_tmp_70387 = din; + always @(*) dout = sv2v_tmp_70387; + end + endgenerate + always @(posedge clk or negedge rst_l) + if (rst_l == 0) + dout[WIDTH - 1:0] <= 0; + else + dout[WIDTH - 1:0] <= din[WIDTH - 1:0]; +endmodule +module rvdffs ( + din, + en, + clk, + rst_l, + dout +); + parameter WIDTH = 1; + parameter SHORT = 0; + input wire [WIDTH - 1:0] din; + input wire en; + input wire clk; + input wire rst_l; + output wire [WIDTH - 1:0] dout; + generate + if (SHORT == 1) begin : genblock + assign dout = din; + end + else begin : genblock + rvdff #(.WIDTH(WIDTH)) dffs( + .din((en ? din[WIDTH - 1:0] : dout[WIDTH - 1:0])), + .clk(clk), + .rst_l(rst_l), + .dout(dout) + ); + end + endgenerate +endmodule +module rvdffsc ( + din, + en, + clear, + clk, + rst_l, + dout +); + parameter WIDTH = 1; + parameter SHORT = 0; + input wire [WIDTH - 1:0] din; + input wire en; + input wire clear; + input wire clk; + input wire rst_l; + output wire [WIDTH - 1:0] dout; + wire [WIDTH - 1:0] din_new; + generate + if (SHORT == 1) begin + assign dout = din; + end + else begin + assign din_new = {WIDTH {~clear}} & (en ? din[WIDTH - 1:0] : dout[WIDTH - 1:0]); + rvdff #(.WIDTH(WIDTH)) dffsc( + .din(din_new[WIDTH - 1:0]), + .clk(clk), + .rst_l(rst_l), + .dout(dout) + ); + end + endgenerate +endmodule +module rvdff_fpga ( + din, + clk, + clken, + rawclk, + rst_l, + dout +); + parameter WIDTH = 1; + parameter SHORT = 0; + input wire [WIDTH - 1:0] din; + input wire clk; + input wire clken; + input wire rawclk; + input wire rst_l; + output wire [WIDTH - 1:0] dout; + generate + if (SHORT == 1) begin + assign dout = din; + end + else rvdff #(.WIDTH(WIDTH)) dff( + .din(din), + .clk(clk), + .rst_l(rst_l), + .dout(dout) + ); + endgenerate +endmodule +module rvdffs_fpga ( + din, + en, + clk, + clken, + rawclk, + rst_l, + dout +); + parameter WIDTH = 1; + parameter SHORT = 0; + input wire [WIDTH - 1:0] din; + input wire en; + input wire clk; + input wire clken; + input wire rawclk; + input wire rst_l; + output wire [WIDTH - 1:0] dout; + generate + if (SHORT == 1) begin : genblock + assign dout = din; + end + else begin : genblock + rvdffs #(.WIDTH(WIDTH)) dffs( + .din(din), + .en(en), + .clk(clk), + .rst_l(rst_l), + .dout(dout) + ); + end + endgenerate +endmodule +module rvdffsc_fpga ( + din, + en, + clear, + clk, + clken, + rawclk, + rst_l, + dout +); + parameter WIDTH = 1; + parameter SHORT = 0; + input wire [WIDTH - 1:0] din; + input wire en; + input wire clear; + input wire clk; + input wire clken; + input wire rawclk; + input wire rst_l; + output wire [WIDTH - 1:0] dout; + wire [WIDTH - 1:0] din_new; + generate + if (SHORT == 1) begin + assign dout = din; + end + else rvdffsc #(.WIDTH(WIDTH)) dffsc( + .din(din), + .en(en), + .clear(clear), + .clk(clk), + .rst_l(rst_l), + .dout(dout) + ); + endgenerate +endmodule +module rvdffe ( + din, + en, + clk, + rst_l, + scan_mode, + dout +); + parameter WIDTH = 1; + parameter SHORT = 0; + parameter OVERRIDE = 0; + input wire [WIDTH - 1:0] din; + input wire en; + input wire clk; + input wire rst_l; + input wire scan_mode; + output wire [WIDTH - 1:0] dout; + wire l1clk; + generate + if (SHORT == 1) begin : genblock + begin : genblock + assign dout = din; + end + end + else begin : genblock + rvclkhdr clkhdr( + .en(en), + .clk(clk), + .scan_mode(scan_mode), + .l1clk(l1clk) + ); + rvdff #(.WIDTH(WIDTH)) dff( + .din(din), + .rst_l(rst_l), + .dout(dout), + .clk(l1clk) + ); + end + endgenerate +endmodule +module rvdffpcie ( + din, + clk, + rst_l, + en, + scan_mode, + dout +); + parameter WIDTH = 31; + input wire [WIDTH - 1:0] din; + input wire clk; + input wire rst_l; + input wire en; + input wire scan_mode; + output wire [WIDTH - 1:0] dout; + rvdfflie #( + .WIDTH(WIDTH), + .LEFT(19) + ) dff( + .din(din), + .clk(clk), + .rst_l(rst_l), + .en(en), + .scan_mode(scan_mode), + .dout(dout) + ); +endmodule +module rvdfflie ( + din, + clk, + rst_l, + en, + scan_mode, + dout +); + parameter WIDTH = 16; + parameter LEFT = 8; + input wire [WIDTH - 1:0] din; + input wire clk; + input wire rst_l; + input wire en; + input wire scan_mode; + output wire [WIDTH - 1:0] dout; + localparam EXTRA = WIDTH - LEFT; + localparam LMSB = WIDTH - 1; + localparam LLSB = (LMSB - LEFT) + 1; + localparam XMSB = LLSB - 1; + localparam XLSB = LLSB - EXTRA; + rvdffiee #(.WIDTH(LEFT)) dff_left( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .en(en), + .din(din[LMSB:LLSB]), + .dout(dout[LMSB:LLSB]) + ); + rvdffe #(.WIDTH(EXTRA)) dff_extra( + .en(en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(din[XMSB:XLSB]), + .dout(dout[XMSB:XLSB]) + ); +endmodule +module rvdffppe ( + din, + clk, + rst_l, + en, + scan_mode, + dout +); + parameter WIDTH = 32; + input wire [WIDTH - 1:0] din; + input wire clk; + input wire rst_l; + input wire en; + input wire scan_mode; + output wire [WIDTH - 1:0] dout; + localparam RIGHT = 31; + localparam LEFT = WIDTH - RIGHT; + localparam LMSB = WIDTH - 1; + localparam LLSB = (LMSB - LEFT) + 1; + localparam RMSB = LLSB - 1; + localparam RLSB = LLSB - RIGHT; + rvdffe #(.WIDTH(LEFT)) dff_left( + .en(en), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(din[LMSB:LLSB]), + .dout(dout[LMSB:LLSB]) + ); + rvdffe #(.WIDTH(RIGHT)) dff_right( + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .din(din[RMSB:RLSB]), + .dout(dout[RMSB:RLSB]), + .en(en & din[LLSB]) + ); +endmodule +module rvdffie ( + din, + clk, + rst_l, + scan_mode, + dout +); + parameter WIDTH = 1; + parameter OVERRIDE = 0; + input wire [WIDTH - 1:0] din; + input wire clk; + input wire rst_l; + input wire scan_mode; + output wire [WIDTH - 1:0] dout; + wire l1clk; + wire en; + assign en = |(din ^ dout); + rvclkhdr clkhdr( + .en(en), + .clk(clk), + .scan_mode(scan_mode), + .l1clk(l1clk) + ); + rvdff #(.WIDTH(WIDTH)) dff( + .din(din), + .rst_l(rst_l), + .dout(dout), + .clk(l1clk) + ); +endmodule +module rvdffiee ( + din, + clk, + rst_l, + scan_mode, + en, + dout +); + parameter WIDTH = 1; + parameter OVERRIDE = 0; + input wire [WIDTH - 1:0] din; + input wire clk; + input wire rst_l; + input wire scan_mode; + input wire en; + output wire [WIDTH - 1:0] dout; + wire l1clk; + wire final_en; + assign final_en = |(din ^ dout) & en; + rvdffe #(.WIDTH(WIDTH)) dff( + .din(din), + .clk(clk), + .rst_l(rst_l), + .scan_mode(scan_mode), + .dout(dout), + .en(final_en) + ); +endmodule +module rvsyncss ( + clk, + rst_l, + din, + dout +); + parameter WIDTH = 251; + input wire clk; + input wire rst_l; + input wire [WIDTH - 1:0] din; + output wire [WIDTH - 1:0] dout; + wire [WIDTH - 1:0] din_ff1; + rvdff #(.WIDTH(WIDTH)) sync_ff1( + .clk(clk), + .rst_l(rst_l), + .din(din[WIDTH - 1:0]), + .dout(din_ff1[WIDTH - 1:0]) + ); + rvdff #(.WIDTH(WIDTH)) sync_ff2( + .clk(clk), + .rst_l(rst_l), + .din(din_ff1[WIDTH - 1:0]), + .dout(dout[WIDTH - 1:0]) + ); +endmodule +module rvsyncss_fpga ( + gw_clk, + rawclk, + clken, + rst_l, + din, + dout +); + parameter WIDTH = 251; + input wire gw_clk; + input wire rawclk; + input wire clken; + input wire rst_l; + input wire [WIDTH - 1:0] din; + output wire [WIDTH - 1:0] dout; + wire [WIDTH - 1:0] din_ff1; + rvdff_fpga #(.WIDTH(WIDTH)) sync_ff1( + .rst_l(rst_l), + .clk(gw_clk), + .rawclk(rawclk), + .clken(clken), + .din(din[WIDTH - 1:0]), + .dout(din_ff1[WIDTH - 1:0]) + ); + rvdff_fpga #(.WIDTH(WIDTH)) sync_ff2( + .rst_l(rst_l), + .clk(gw_clk), + .rawclk(rawclk), + .clken(clken), + .din(din_ff1[WIDTH - 1:0]), + .dout(dout[WIDTH - 1:0]) + ); +endmodule +module rvlsadder ( + rs1, + offset, + dout +); + input wire [31:0] rs1; + input wire [11:0] offset; + output wire [31:0] dout; + wire cout; + wire sign; + wire [31:12] rs1_inc; + wire [31:12] rs1_dec; + assign {cout, dout[11:0]} = {1'b0, rs1[11:0]} + {1'b0, offset[11:0]}; + assign rs1_inc[31:12] = rs1[31:12] + 1; + assign rs1_dec[31:12] = rs1[31:12] - 1; + assign sign = offset[11]; + assign dout[31:12] = (({20 {sign ~^ cout}} & rs1[31:12]) | ({20 {~sign & cout}} & rs1_inc[31:12])) | ({20 {sign & ~cout}} & rs1_dec[31:12]); +endmodule +module rvbradder ( + pc, + offset, + dout +); + input [31:1] pc; + input [12:1] offset; + output [31:1] dout; + wire cout; + wire sign; + wire [31:13] pc_inc; + wire [31:13] pc_dec; + assign {cout, dout[12:1]} = {1'b0, pc[12:1]} + {1'b0, offset[12:1]}; + assign pc_inc[31:13] = pc[31:13] + 1; + assign pc_dec[31:13] = pc[31:13] - 1; + assign sign = offset[12]; + assign dout[31:13] = (({19 {sign ~^ cout}} & pc[31:13]) | ({19 {~sign & cout}} & pc_inc[31:13])) | ({19 {sign & ~cout}} & pc_dec[31:13]); +endmodule +module rvtwoscomp ( + din, + dout +); + parameter WIDTH = 32; + input wire [WIDTH - 1:0] din; + output wire [WIDTH - 1:0] dout; + wire [WIDTH - 1:1] dout_temp; + genvar i; + generate + for (i = 1; i < WIDTH; i = i + 1) begin : flip_after_first_one + assign dout_temp[i] = (|din[i - 1:0] ? ~din[i] : din[i]); + end + endgenerate + assign dout[WIDTH - 1:0] = {dout_temp[WIDTH - 1:1], din[0]}; +endmodule +module rvfindfirst1 ( + din, + dout +); + parameter WIDTH = 32; + parameter SHIFT = $clog2(WIDTH); + input wire [WIDTH - 1:0] din; + output reg [SHIFT - 1:0] dout; + reg done; + always @(*) begin + dout[SHIFT - 1:0] = {SHIFT {1'b0}}; + done = 1'b0; + begin : sv2v_autoblock_64 + reg signed [31:0] i; + for (i = WIDTH - 1; i > 0; i = i - 1) + begin : find_first_one + done = done | din[i]; + dout[SHIFT - 1:0] = dout[SHIFT - 1:0] + (done ? 1'b0 : 1'b1); + end + end + end +endmodule +module rvfindfirst1hot ( + din, + dout +); + parameter WIDTH = 32; + input wire [WIDTH - 1:0] din; + output reg [WIDTH - 1:0] dout; + reg done; + always @(*) begin + dout[WIDTH - 1:0] = {WIDTH {1'b0}}; + done = 1'b0; + begin : sv2v_autoblock_65 + reg signed [31:0] i; + for (i = 0; i < WIDTH; i = i + 1) + begin : find_first_one + dout[i] = ~done & din[i]; + done = done | din[i]; + end + end + end +endmodule +module rvmaskandmatch ( + mask, + data, + masken, + match +); + parameter WIDTH = 32; + input wire [WIDTH - 1:0] mask; + input wire [WIDTH - 1:0] data; + input wire masken; + output wire match; + wire [WIDTH - 1:0] matchvec; + wire masken_or_fullmask; + assign masken_or_fullmask = masken & ~(&mask[WIDTH - 1:0]); + assign matchvec[0] = masken_or_fullmask | (mask[0] == data[0]); + genvar i; + generate + for (i = 1; i < WIDTH; i = i + 1) begin : match_after_first_zero + assign matchvec[i] = (&mask[i - 1:0] & masken_or_fullmask ? 1'b1 : mask[i] == data[i]); + end + endgenerate + assign match = &matchvec[WIDTH - 1:0]; +endmodule +module rvrangecheck ( + addr, + in_range, + in_region +); + parameter CCM_SADR = 32'h00000000; + parameter CCM_SIZE = 128; + input wire [31:0] addr; + output wire in_range; + output wire in_region; + localparam REGION_BITS = 4; + localparam MASK_BITS = 10 + $clog2(CCM_SIZE); + wire [31:0] start_addr; + wire [3:0] region; + assign start_addr[31:0] = CCM_SADR; + assign region[3:0] = start_addr[31:28]; + assign in_region = addr[31:28] == region[3:0]; + generate + if (CCM_SIZE == 48) begin + assign in_range = (addr[31:MASK_BITS] == start_addr[31:MASK_BITS]) & ~(&addr[MASK_BITS - 1:MASK_BITS - 2]); + end + else assign in_range = addr[31:MASK_BITS] == start_addr[31:MASK_BITS]; + endgenerate +endmodule +module rveven_paritygen ( + data_in, + parity_out +); + parameter WIDTH = 16; + input wire [WIDTH - 1:0] data_in; + output wire parity_out; + assign parity_out = ^data_in[WIDTH - 1:0]; +endmodule +module rveven_paritycheck ( + data_in, + parity_in, + parity_err +); + parameter WIDTH = 16; + input wire [WIDTH - 1:0] data_in; + input wire parity_in; + output wire parity_err; + assign parity_err = ^data_in[WIDTH - 1:0] ^ parity_in; +endmodule +module rvecc_encode ( + din, + ecc_out +); + input [31:0] din; + output [6:0] ecc_out; + wire [5:0] ecc_out_temp; + assign ecc_out_temp[0] = ((((((((((((((((din[0] ^ din[1]) ^ din[3]) ^ din[4]) ^ din[6]) ^ din[8]) ^ din[10]) ^ din[11]) ^ din[13]) ^ din[15]) ^ din[17]) ^ din[19]) ^ din[21]) ^ din[23]) ^ din[25]) ^ din[26]) ^ din[28]) ^ din[30]; + assign ecc_out_temp[1] = ((((((((((((((((din[0] ^ din[2]) ^ din[3]) ^ din[5]) ^ din[6]) ^ din[9]) ^ din[10]) ^ din[12]) ^ din[13]) ^ din[16]) ^ din[17]) ^ din[20]) ^ din[21]) ^ din[24]) ^ din[25]) ^ din[27]) ^ din[28]) ^ din[31]; + assign ecc_out_temp[2] = ((((((((((((((((din[1] ^ din[2]) ^ din[3]) ^ din[7]) ^ din[8]) ^ din[9]) ^ din[10]) ^ din[14]) ^ din[15]) ^ din[16]) ^ din[17]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]) ^ din[29]) ^ din[30]) ^ din[31]; + assign ecc_out_temp[3] = (((((((((((((din[4] ^ din[5]) ^ din[6]) ^ din[7]) ^ din[8]) ^ din[9]) ^ din[10]) ^ din[18]) ^ din[19]) ^ din[20]) ^ din[21]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]; + assign ecc_out_temp[4] = (((((((((((((din[11] ^ din[12]) ^ din[13]) ^ din[14]) ^ din[15]) ^ din[16]) ^ din[17]) ^ din[18]) ^ din[19]) ^ din[20]) ^ din[21]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]; + assign ecc_out_temp[5] = ((((din[26] ^ din[27]) ^ din[28]) ^ din[29]) ^ din[30]) ^ din[31]; + assign ecc_out[6:0] = {^din[31:0] ^ ^ecc_out_temp[5:0], ecc_out_temp[5:0]}; +endmodule +module rvecc_decode ( + en, + din, + ecc_in, + sed_ded, + dout, + ecc_out, + single_ecc_error, + double_ecc_error +); + input en; + input [31:0] din; + input [6:0] ecc_in; + input sed_ded; + output [31:0] dout; + output [6:0] ecc_out; + output single_ecc_error; + output double_ecc_error; + wire [6:0] ecc_check; + wire [38:0] error_mask; + wire [38:0] din_plus_parity; + wire [38:0] dout_plus_parity; + assign ecc_check[0] = (((((((((((((((((ecc_in[0] ^ din[0]) ^ din[1]) ^ din[3]) ^ din[4]) ^ din[6]) ^ din[8]) ^ din[10]) ^ din[11]) ^ din[13]) ^ din[15]) ^ din[17]) ^ din[19]) ^ din[21]) ^ din[23]) ^ din[25]) ^ din[26]) ^ din[28]) ^ din[30]; + assign ecc_check[1] = (((((((((((((((((ecc_in[1] ^ din[0]) ^ din[2]) ^ din[3]) ^ din[5]) ^ din[6]) ^ din[9]) ^ din[10]) ^ din[12]) ^ din[13]) ^ din[16]) ^ din[17]) ^ din[20]) ^ din[21]) ^ din[24]) ^ din[25]) ^ din[27]) ^ din[28]) ^ din[31]; + assign ecc_check[2] = (((((((((((((((((ecc_in[2] ^ din[1]) ^ din[2]) ^ din[3]) ^ din[7]) ^ din[8]) ^ din[9]) ^ din[10]) ^ din[14]) ^ din[15]) ^ din[16]) ^ din[17]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]) ^ din[29]) ^ din[30]) ^ din[31]; + assign ecc_check[3] = ((((((((((((((ecc_in[3] ^ din[4]) ^ din[5]) ^ din[6]) ^ din[7]) ^ din[8]) ^ din[9]) ^ din[10]) ^ din[18]) ^ din[19]) ^ din[20]) ^ din[21]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]; + assign ecc_check[4] = ((((((((((((((ecc_in[4] ^ din[11]) ^ din[12]) ^ din[13]) ^ din[14]) ^ din[15]) ^ din[16]) ^ din[17]) ^ din[18]) ^ din[19]) ^ din[20]) ^ din[21]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]; + assign ecc_check[5] = (((((ecc_in[5] ^ din[26]) ^ din[27]) ^ din[28]) ^ din[29]) ^ din[30]) ^ din[31]; + assign ecc_check[6] = (^din[31:0] ^ ^ecc_in[6:0]) & ~sed_ded; + assign single_ecc_error = (en & (ecc_check[6:0] != 0)) & ecc_check[6]; + assign double_ecc_error = (en & (ecc_check[6:0] != 0)) & ~ecc_check[6]; + generate + genvar i; + for (i = 1; i < 40; i = i + 1) assign error_mask[i - 1] = ecc_check[5:0] == i; + endgenerate + assign din_plus_parity[38:0] = {ecc_in[6], din[31:26], ecc_in[5], din[25:11], ecc_in[4], din[10:4], ecc_in[3], din[3:1], ecc_in[2], din[0], ecc_in[1:0]}; + assign dout_plus_parity[38:0] = (single_ecc_error ? error_mask[38:0] ^ din_plus_parity[38:0] : din_plus_parity[38:0]); + assign dout[31:0] = {dout_plus_parity[37:32], dout_plus_parity[30:16], dout_plus_parity[14:8], dout_plus_parity[6:4], dout_plus_parity[2]}; + assign ecc_out[6:0] = {dout_plus_parity[38] ^ (ecc_check[6:0] == 7'b1000000), dout_plus_parity[31], dout_plus_parity[15], dout_plus_parity[7], dout_plus_parity[3], dout_plus_parity[1:0]}; +endmodule +module rvecc_encode_64 ( + din, + ecc_out +); + input [63:0] din; + output [6:0] ecc_out; + assign ecc_out[0] = (((((((((((((((((((((((((((((((((din[0] ^ din[1]) ^ din[3]) ^ din[4]) ^ din[6]) ^ din[8]) ^ din[10]) ^ din[11]) ^ din[13]) ^ din[15]) ^ din[17]) ^ din[19]) ^ din[21]) ^ din[23]) ^ din[25]) ^ din[26]) ^ din[28]) ^ din[30]) ^ din[32]) ^ din[34]) ^ din[36]) ^ din[38]) ^ din[40]) ^ din[42]) ^ din[44]) ^ din[46]) ^ din[48]) ^ din[50]) ^ din[52]) ^ din[54]) ^ din[56]) ^ din[57]) ^ din[59]) ^ din[61]) ^ din[63]; + assign ecc_out[1] = (((((((((((((((((((((((((((((((((din[0] ^ din[2]) ^ din[3]) ^ din[5]) ^ din[6]) ^ din[9]) ^ din[10]) ^ din[12]) ^ din[13]) ^ din[16]) ^ din[17]) ^ din[20]) ^ din[21]) ^ din[24]) ^ din[25]) ^ din[27]) ^ din[28]) ^ din[31]) ^ din[32]) ^ din[35]) ^ din[36]) ^ din[39]) ^ din[40]) ^ din[43]) ^ din[44]) ^ din[47]) ^ din[48]) ^ din[51]) ^ din[52]) ^ din[55]) ^ din[56]) ^ din[58]) ^ din[59]) ^ din[62]) ^ din[63]; + assign ecc_out[2] = (((((((((((((((((((((((((((((((((din[1] ^ din[2]) ^ din[3]) ^ din[7]) ^ din[8]) ^ din[9]) ^ din[10]) ^ din[14]) ^ din[15]) ^ din[16]) ^ din[17]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]) ^ din[29]) ^ din[30]) ^ din[31]) ^ din[32]) ^ din[37]) ^ din[38]) ^ din[39]) ^ din[40]) ^ din[45]) ^ din[46]) ^ din[47]) ^ din[48]) ^ din[53]) ^ din[54]) ^ din[55]) ^ din[56]) ^ din[60]) ^ din[61]) ^ din[62]) ^ din[63]; + assign ecc_out[3] = (((((((((((((((((((((((((((((din[4] ^ din[5]) ^ din[6]) ^ din[7]) ^ din[8]) ^ din[9]) ^ din[10]) ^ din[18]) ^ din[19]) ^ din[20]) ^ din[21]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]) ^ din[33]) ^ din[34]) ^ din[35]) ^ din[36]) ^ din[37]) ^ din[38]) ^ din[39]) ^ din[40]) ^ din[49]) ^ din[50]) ^ din[51]) ^ din[52]) ^ din[53]) ^ din[54]) ^ din[55]) ^ din[56]; + assign ecc_out[4] = (((((((((((((((((((((((((((((din[11] ^ din[12]) ^ din[13]) ^ din[14]) ^ din[15]) ^ din[16]) ^ din[17]) ^ din[18]) ^ din[19]) ^ din[20]) ^ din[21]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]) ^ din[41]) ^ din[42]) ^ din[43]) ^ din[44]) ^ din[45]) ^ din[46]) ^ din[47]) ^ din[48]) ^ din[49]) ^ din[50]) ^ din[51]) ^ din[52]) ^ din[53]) ^ din[54]) ^ din[55]) ^ din[56]; + assign ecc_out[5] = (((((((((((((((((((((((((((((din[26] ^ din[27]) ^ din[28]) ^ din[29]) ^ din[30]) ^ din[31]) ^ din[32]) ^ din[33]) ^ din[34]) ^ din[35]) ^ din[36]) ^ din[37]) ^ din[38]) ^ din[39]) ^ din[40]) ^ din[41]) ^ din[42]) ^ din[43]) ^ din[44]) ^ din[45]) ^ din[46]) ^ din[47]) ^ din[48]) ^ din[49]) ^ din[50]) ^ din[51]) ^ din[52]) ^ din[53]) ^ din[54]) ^ din[55]) ^ din[56]; + assign ecc_out[6] = (((((din[57] ^ din[58]) ^ din[59]) ^ din[60]) ^ din[61]) ^ din[62]) ^ din[63]; +endmodule +module rvecc_decode_64 ( + en, + din, + ecc_in, + ecc_error +); + input en; + input [63:0] din; + input [6:0] ecc_in; + output ecc_error; + wire [6:0] ecc_check; + assign ecc_check[0] = ((((((((((((((((((((((((((((((((((ecc_in[0] ^ din[0]) ^ din[1]) ^ din[3]) ^ din[4]) ^ din[6]) ^ din[8]) ^ din[10]) ^ din[11]) ^ din[13]) ^ din[15]) ^ din[17]) ^ din[19]) ^ din[21]) ^ din[23]) ^ din[25]) ^ din[26]) ^ din[28]) ^ din[30]) ^ din[32]) ^ din[34]) ^ din[36]) ^ din[38]) ^ din[40]) ^ din[42]) ^ din[44]) ^ din[46]) ^ din[48]) ^ din[50]) ^ din[52]) ^ din[54]) ^ din[56]) ^ din[57]) ^ din[59]) ^ din[61]) ^ din[63]; + assign ecc_check[1] = ((((((((((((((((((((((((((((((((((ecc_in[1] ^ din[0]) ^ din[2]) ^ din[3]) ^ din[5]) ^ din[6]) ^ din[9]) ^ din[10]) ^ din[12]) ^ din[13]) ^ din[16]) ^ din[17]) ^ din[20]) ^ din[21]) ^ din[24]) ^ din[25]) ^ din[27]) ^ din[28]) ^ din[31]) ^ din[32]) ^ din[35]) ^ din[36]) ^ din[39]) ^ din[40]) ^ din[43]) ^ din[44]) ^ din[47]) ^ din[48]) ^ din[51]) ^ din[52]) ^ din[55]) ^ din[56]) ^ din[58]) ^ din[59]) ^ din[62]) ^ din[63]; + assign ecc_check[2] = ((((((((((((((((((((((((((((((((((ecc_in[2] ^ din[1]) ^ din[2]) ^ din[3]) ^ din[7]) ^ din[8]) ^ din[9]) ^ din[10]) ^ din[14]) ^ din[15]) ^ din[16]) ^ din[17]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]) ^ din[29]) ^ din[30]) ^ din[31]) ^ din[32]) ^ din[37]) ^ din[38]) ^ din[39]) ^ din[40]) ^ din[45]) ^ din[46]) ^ din[47]) ^ din[48]) ^ din[53]) ^ din[54]) ^ din[55]) ^ din[56]) ^ din[60]) ^ din[61]) ^ din[62]) ^ din[63]; + assign ecc_check[3] = ((((((((((((((((((((((((((((((ecc_in[3] ^ din[4]) ^ din[5]) ^ din[6]) ^ din[7]) ^ din[8]) ^ din[9]) ^ din[10]) ^ din[18]) ^ din[19]) ^ din[20]) ^ din[21]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]) ^ din[33]) ^ din[34]) ^ din[35]) ^ din[36]) ^ din[37]) ^ din[38]) ^ din[39]) ^ din[40]) ^ din[49]) ^ din[50]) ^ din[51]) ^ din[52]) ^ din[53]) ^ din[54]) ^ din[55]) ^ din[56]; + assign ecc_check[4] = ((((((((((((((((((((((((((((((ecc_in[4] ^ din[11]) ^ din[12]) ^ din[13]) ^ din[14]) ^ din[15]) ^ din[16]) ^ din[17]) ^ din[18]) ^ din[19]) ^ din[20]) ^ din[21]) ^ din[22]) ^ din[23]) ^ din[24]) ^ din[25]) ^ din[41]) ^ din[42]) ^ din[43]) ^ din[44]) ^ din[45]) ^ din[46]) ^ din[47]) ^ din[48]) ^ din[49]) ^ din[50]) ^ din[51]) ^ din[52]) ^ din[53]) ^ din[54]) ^ din[55]) ^ din[56]; + assign ecc_check[5] = ((((((((((((((((((((((((((((((ecc_in[5] ^ din[26]) ^ din[27]) ^ din[28]) ^ din[29]) ^ din[30]) ^ din[31]) ^ din[32]) ^ din[33]) ^ din[34]) ^ din[35]) ^ din[36]) ^ din[37]) ^ din[38]) ^ din[39]) ^ din[40]) ^ din[41]) ^ din[42]) ^ din[43]) ^ din[44]) ^ din[45]) ^ din[46]) ^ din[47]) ^ din[48]) ^ din[49]) ^ din[50]) ^ din[51]) ^ din[52]) ^ din[53]) ^ din[54]) ^ din[55]) ^ din[56]; + assign ecc_check[6] = ((((((ecc_in[6] ^ din[57]) ^ din[58]) ^ din[59]) ^ din[60]) ^ din[61]) ^ din[62]) ^ din[63]; + assign ecc_error = en & (ecc_check[6:0] != 0); +endmodule +module rvclkhdr ( + en, + clk, + scan_mode, + l1clk +); + input wire en; + input wire clk; + input wire scan_mode; + output wire l1clk; + wire SE; + assign SE = 0; + sky130_fd_sc_hd__dlclkp_1 clkhdr( + .CLK(clk), + .GCLK(l1clk), + .GATE(en) + ); +endmodule +module rvoclkhdr ( + en, + clk, + scan_mode, + l1clk +); + input wire en; + input wire clk; + input wire scan_mode; + output wire l1clk; + wire SE; + assign SE = 0; + sky130_fd_sc_hd__dlclkp_1 clkhdr( + .CLK(clk), + .GCLK(l1clk), + .GATE(en) + ); +endmodule