`timescale 1ns / 1ps | |
module el_pipeline_tb(); | |
parameter LINK_WIDTH = 2; | |
parameter RAIL_NUM = 2; | |
parameter PIPE_DEPTH = 10; | |
wire [LINK_WIDTH*RAIL_NUM-1 : 0] in_p_tb; | |
reg ack_i_tb = 0; | |
reg rst_tb = 0; | |
wire [LINK_WIDTH*RAIL_NUM-1 : 0] out_p_tb; | |
wire ack_o_tb; | |
genvar pk_idx; | |
genvar unpk_idx; | |
`define PACK_ARRAY(PK_WIDTH,PK_LEN,PK_SRC,PK_DEST) generate for (pk_idx=0; pk_idx<(PK_LEN); pk_idx=pk_idx+1) begin assign PK_DEST[((PK_WIDTH)*pk_idx+((PK_WIDTH)-1)):((PK_WIDTH)*pk_idx)] = PK_SRC[pk_idx][((PK_WIDTH)-1):0]; end endgenerate | |
`define UNPACK_ARRAY(PK_WIDTH,PK_LEN,PK_DEST,PK_SRC) generate for (unpk_idx=0; unpk_idx<(PK_LEN); unpk_idx=unpk_idx+1) begin assign PK_DEST[unpk_idx][((PK_WIDTH)-1):0] = PK_SRC[((PK_WIDTH)*unpk_idx+(PK_WIDTH-1)):((PK_WIDTH)*unpk_idx)]; end endgenerate | |
// pack input | |
reg [RAIL_NUM-1 : 0] in_up_tb [LINK_WIDTH-1 : 0]; | |
`PACK_ARRAY(RAIL_NUM,LINK_WIDTH,in_up_tb,in_p_tb) | |
// unpack output | |
wire [RAIL_NUM-1 : 0] out_up_tb [LINK_WIDTH-1 : 0]; | |
`UNPACK_ARRAY(RAIL_NUM,LINK_WIDTH,out_up_tb,out_p_tb) | |
el_pipeline# | |
( | |
.LINK_WIDTH(LINK_WIDTH), | |
.RAIL_NUM(RAIL_NUM), | |
.PIPE_DEPTH(PIPE_DEPTH) | |
) | |
DUT | |
( | |
.rst(rst_tb), | |
.ack_o(ack_o_tb), | |
.in(in_p_tb), | |
.ack_i(ack_i_tb), | |
.out(out_p_tb) | |
); | |
integer in_idx; | |
initial | |
begin | |
for (in_idx = 0; in_idx < RAIL_NUM ; in_idx = in_idx + 1) | |
begin | |
in_up_tb[in_idx] <= 0; | |
end | |
rst_tb = 1; | |
#100; | |
rst_tb = 0; | |
#1000; | |
//in0.f | |
in_up_tb[0][0] = !in_up_tb[0][0]; | |
#1000; | |
//in1.t | |
in_up_tb[1][1] = !in_up_tb[1][1]; | |
#1000; | |
#2000; | |
//in0.f | |
in_up_tb[1][0] = !in_up_tb[1][0]; | |
#1000; | |
//in1.t | |
in_up_tb[0][1] = !in_up_tb[0][1]; | |
#1000; | |
#2000; | |
ack_i_tb = !ack_i_tb; | |
#1000; | |
$finish; | |
end | |
endmodule |