| package tilelink |
| import org.scalatest._ |
| import chiseltest._ |
| import chisel3._ |
| import merl.uit.tilelink.{TLConfiguration, TLSocketM_1, TL_A_Opcode} |
| |
| class TLSocketMto1Test extends FlatSpec with ChiselScalatestTester with Matchers { |
| behavior of "TL-UL M:1 socket connecting M hosts with a single device" |
| implicit val tl_conf = TLConfiguration() |
| // Test Case: 1 |
| it should "Connect host(0) with the device when host(1) is not accessing bus" in { |
| test(new TLSocketM_1(2)) {c => { |
| // Host 1 sending a GET |
| c.io.tl_h_i(0).a_opcode.poke(TL_A_Opcode.get) |
| c.io.tl_h_i(0).a_valid.poke(true.B) |
| c.io.tl_h_i(0).a_param.poke(0.U) |
| c.io.tl_h_i(0).a_size.poke(2.U) |
| c.io.tl_h_i(0).a_source.poke(0.U) |
| c.io.tl_h_i(0).a_address.poke(0.U) |
| c.io.tl_h_i(0).a_mask.poke("b1111".U) |
| c.io.tl_h_i(0).a_data.poke(0.U) |
| |
| // Host 2 sending a PUT |
| c.io.tl_h_i(1).a_opcode.poke(TL_A_Opcode.putFullData) |
| c.io.tl_h_i(1).a_valid.poke(false.B) |
| c.io.tl_h_i(1).a_param.poke(0.U) |
| c.io.tl_h_i(1).a_size.poke(2.U) |
| c.io.tl_h_i(1).a_source.poke(0.U) |
| c.io.tl_h_i(1).a_address.poke(0.U) |
| c.io.tl_h_i(1).a_mask.poke("b1111".U) |
| c.io.tl_h_i(1).a_data.poke(10.U) |
| |
| c.io.tl_d_o.a_opcode.expect(TL_A_Opcode.get) |
| c.io.tl_d_o.a_data.expect(0.U) |
| }} |
| } |
| // Test Case: 2 |
| it should "Connect host(1) with the device when host(0) is not accessing bus" in { |
| test(new TLSocketM_1(2)) {c => { |
| // Host 1 sending a GET |
| c.io.tl_h_i(0).a_opcode.poke(TL_A_Opcode.get) |
| c.io.tl_h_i(0).a_valid.poke(false.B) |
| c.io.tl_h_i(0).a_param.poke(0.U) |
| c.io.tl_h_i(0).a_size.poke(2.U) |
| c.io.tl_h_i(0).a_source.poke(0.U) |
| c.io.tl_h_i(0).a_address.poke(0.U) |
| c.io.tl_h_i(0).a_mask.poke("b1111".U) |
| c.io.tl_h_i(0).a_data.poke(0.U) |
| |
| // Host 2 sending a PUT |
| c.io.tl_h_i(1).a_opcode.poke(TL_A_Opcode.putFullData) |
| c.io.tl_h_i(1).a_valid.poke(true.B) |
| c.io.tl_h_i(1).a_param.poke(0.U) |
| c.io.tl_h_i(1).a_size.poke(2.U) |
| c.io.tl_h_i(1).a_source.poke(0.U) |
| c.io.tl_h_i(1).a_address.poke(0.U) |
| c.io.tl_h_i(1).a_mask.poke("b1111".U) |
| c.io.tl_h_i(1).a_data.poke(10.U) |
| |
| c.io.tl_d_o.a_opcode.expect(TL_A_Opcode.putFullData) |
| c.io.tl_d_o.a_data.expect(10.U) |
| }} |
| } |
| // Test Case: 3 |
| it should "Connect host(0) with the device even when host(1) is accessing bus" in { |
| test(new TLSocketM_1(2)) {c => { |
| // Host 1 sending a GET |
| c.io.tl_h_i(0).a_opcode.poke(TL_A_Opcode.get) |
| c.io.tl_h_i(0).a_valid.poke(true.B) |
| c.io.tl_h_i(0).a_param.poke(0.U) |
| c.io.tl_h_i(0).a_size.poke(2.U) |
| c.io.tl_h_i(0).a_source.poke(0.U) |
| c.io.tl_h_i(0).a_address.poke(0.U) |
| c.io.tl_h_i(0).a_mask.poke("b1111".U) |
| c.io.tl_h_i(0).a_data.poke(0.U) |
| |
| // Host 2 sending a PUT |
| c.io.tl_h_i(1).a_opcode.poke(TL_A_Opcode.putFullData) |
| c.io.tl_h_i(1).a_valid.poke(true.B) |
| c.io.tl_h_i(1).a_param.poke(0.U) |
| c.io.tl_h_i(1).a_size.poke(2.U) |
| c.io.tl_h_i(1).a_source.poke(0.U) |
| c.io.tl_h_i(1).a_address.poke(0.U) |
| c.io.tl_h_i(1).a_mask.poke("b1111".U) |
| c.io.tl_h_i(1).a_data.poke(10.U) |
| |
| c.io.tl_d_o.a_opcode.expect(TL_A_Opcode.get) |
| c.io.tl_d_o.a_data.expect(0.U) |
| }} |
| } |
| // Test Case: 4 (Hosts = 3) |
| it should "Connect host(2) with the device when host(0) and host(1) both are not accessing bus" in { |
| test(new TLSocketM_1(3)) {c => { |
| // Host 1 sending a GET |
| c.io.tl_h_i(0).a_opcode.poke(TL_A_Opcode.get) |
| c.io.tl_h_i(0).a_valid.poke(false.B) |
| c.io.tl_h_i(0).a_param.poke(0.U) |
| c.io.tl_h_i(0).a_size.poke(2.U) |
| c.io.tl_h_i(0).a_source.poke(0.U) |
| c.io.tl_h_i(0).a_address.poke(0.U) |
| c.io.tl_h_i(0).a_mask.poke("b1111".U) |
| c.io.tl_h_i(0).a_data.poke(0.U) |
| |
| // Host 2 sending a PUT |
| c.io.tl_h_i(1).a_opcode.poke(TL_A_Opcode.putFullData) |
| c.io.tl_h_i(1).a_valid.poke(false.B) |
| c.io.tl_h_i(1).a_param.poke(0.U) |
| c.io.tl_h_i(1).a_size.poke(2.U) |
| c.io.tl_h_i(1).a_source.poke(0.U) |
| c.io.tl_h_i(1).a_address.poke(0.U) |
| c.io.tl_h_i(1).a_mask.poke("b1111".U) |
| c.io.tl_h_i(1).a_data.poke(10.U) |
| |
| // Host 3 sending a PutPartial |
| c.io.tl_h_i(2).a_opcode.poke(TL_A_Opcode.putPartialData) |
| c.io.tl_h_i(2).a_valid.poke(true.B) |
| c.io.tl_h_i(2).a_param.poke(0.U) |
| c.io.tl_h_i(2).a_size.poke(0.U) |
| c.io.tl_h_i(2).a_source.poke(0.U) |
| c.io.tl_h_i(2).a_address.poke(1.U) |
| c.io.tl_h_i(2).a_mask.poke("b0001".U) |
| c.io.tl_h_i(2).a_data.poke(2.U) |
| |
| c.io.tl_d_o.a_opcode.expect(TL_A_Opcode.putPartialData) |
| c.io.tl_d_o.a_data.expect(2.U) |
| }} |
| } |
| // Test Case: 5 (Hosts = 3) |
| it should "Connect host(0) with the device when all three hosts are accessing the bus" in { |
| test(new TLSocketM_1(3)) {c => { |
| // Host 1 sending a GET |
| c.io.tl_h_i(0).a_opcode.poke(TL_A_Opcode.get) |
| c.io.tl_h_i(0).a_valid.poke(true.B) |
| c.io.tl_h_i(0).a_param.poke(0.U) |
| c.io.tl_h_i(0).a_size.poke(2.U) |
| c.io.tl_h_i(0).a_source.poke(0.U) |
| c.io.tl_h_i(0).a_address.poke(0.U) |
| c.io.tl_h_i(0).a_mask.poke("b1111".U) |
| c.io.tl_h_i(0).a_data.poke(0.U) |
| |
| // Host 2 sending a PUT |
| c.io.tl_h_i(1).a_opcode.poke(TL_A_Opcode.putFullData) |
| c.io.tl_h_i(1).a_valid.poke(true.B) |
| c.io.tl_h_i(1).a_param.poke(0.U) |
| c.io.tl_h_i(1).a_size.poke(2.U) |
| c.io.tl_h_i(1).a_source.poke(0.U) |
| c.io.tl_h_i(1).a_address.poke(0.U) |
| c.io.tl_h_i(1).a_mask.poke("b1111".U) |
| c.io.tl_h_i(1).a_data.poke(10.U) |
| |
| // Host 3 sending a PutPartial |
| c.io.tl_h_i(2).a_opcode.poke(TL_A_Opcode.putPartialData) |
| c.io.tl_h_i(2).a_valid.poke(true.B) |
| c.io.tl_h_i(2).a_param.poke(0.U) |
| c.io.tl_h_i(2).a_size.poke(0.U) |
| c.io.tl_h_i(2).a_source.poke(0.U) |
| c.io.tl_h_i(2).a_address.poke(1.U) |
| c.io.tl_h_i(2).a_mask.poke("b0001".U) |
| c.io.tl_h_i(2).a_data.poke(2.U) |
| |
| c.io.tl_d_o.a_opcode.expect(TL_A_Opcode.get) |
| c.io.tl_d_o.a_data.expect(0.U) |
| }} |
| } |
| |
| // Test Case: 6 (Hosts = 3) |
| it should "Connect host(1) with the device when host(0) does not access bus but host(2) is accessing the bus" in { |
| test(new TLSocketM_1(3)) {c => { |
| // Host 1 sending a GET |
| c.io.tl_h_i(0).a_opcode.poke(TL_A_Opcode.get) |
| c.io.tl_h_i(0).a_valid.poke(false.B) |
| c.io.tl_h_i(0).a_param.poke(0.U) |
| c.io.tl_h_i(0).a_size.poke(2.U) |
| c.io.tl_h_i(0).a_source.poke(0.U) |
| c.io.tl_h_i(0).a_address.poke(0.U) |
| c.io.tl_h_i(0).a_mask.poke("b1111".U) |
| c.io.tl_h_i(0).a_data.poke(0.U) |
| |
| // Host 2 sending a PUT |
| c.io.tl_h_i(1).a_opcode.poke(TL_A_Opcode.putFullData) |
| c.io.tl_h_i(1).a_valid.poke(true.B) |
| c.io.tl_h_i(1).a_param.poke(0.U) |
| c.io.tl_h_i(1).a_size.poke(2.U) |
| c.io.tl_h_i(1).a_source.poke(0.U) |
| c.io.tl_h_i(1).a_address.poke(0.U) |
| c.io.tl_h_i(1).a_mask.poke("b1111".U) |
| c.io.tl_h_i(1).a_data.poke(10.U) |
| |
| // Host 3 sending a PutPartial |
| c.io.tl_h_i(2).a_opcode.poke(TL_A_Opcode.putPartialData) |
| c.io.tl_h_i(2).a_valid.poke(true.B) |
| c.io.tl_h_i(2).a_param.poke(0.U) |
| c.io.tl_h_i(2).a_size.poke(0.U) |
| c.io.tl_h_i(2).a_source.poke(0.U) |
| c.io.tl_h_i(2).a_address.poke(1.U) |
| c.io.tl_h_i(2).a_mask.poke("b0001".U) |
| c.io.tl_h_i(2).a_data.poke(2.U) |
| |
| c.io.tl_d_o.a_opcode.expect(TL_A_Opcode.putFullData) |
| c.io.tl_d_o.a_data.expect(10.U) |
| }} |
| } |
| } |
