Bridges added

dbg.fir

@@ -147,7 +147,7 @@ circuit dbg :
   module dbg : 
     input clock : Clock
     input reset : AsyncReset
-    output io : {dbg_cmd_size : UInt<2>, dbg_core_rst_l : UInt<1>, flip core_dbg_rddata : UInt<32>, flip core_dbg_cmd_done : UInt<1>, flip core_dbg_cmd_fail : UInt<1>, dbg_halt_req : UInt<1>, dbg_resume_req : UInt<1>, flip dec_tlu_debug_mode : UInt<1>, flip dec_tlu_dbg_halted : UInt<1>, flip dec_tlu_mpc_halted_only : UInt<1>, flip dec_tlu_resume_ack : UInt<1>, flip dmi_reg_en : UInt<1>, flip dmi_reg_addr : UInt<7>, flip dmi_reg_wr_en : UInt<1>, flip dmi_reg_wdata : UInt<32>, dmi_reg_rdata : UInt<32>, sb_axi : {aw : {flip ready : UInt<1>, valid : UInt<1>, bits : {id : UInt<1>, addr : UInt<32>, region : UInt<4>, len : UInt<8>, size : UInt<3>, burst : UInt<2>, lock : UInt<1>, cache : UInt<4>, prot : UInt<3>, qos : UInt<4>}}, w : {flip ready : UInt<1>, valid : UInt<1>, bits : {data : UInt<64>, strb : UInt<8>, last : UInt<1>}}, flip b : {flip ready : UInt<1>, valid : UInt<1>, bits : {resp : UInt<2>, id : UInt<1>}}, ar : {flip ready : UInt<1>, valid : UInt<1>, bits : {id : UInt<1>, addr : UInt<32>, region : UInt<4>, len : UInt<8>, size : UInt<3>, burst : UInt<2>, lock : UInt<1>, cache : UInt<4>, prot : UInt<3>, qos : UInt<4>}}, flip r : {flip ready : UInt<1>, valid : UInt<1>, bits : {id : UInt<1>, data : UInt<64>, resp : UInt<2>, last : UInt<1>}}}, flip dbg_dec : {dbg_ib : {flip dbg_cmd_valid : UInt<1>, flip dbg_cmd_write : UInt<1>, flip dbg_cmd_type : UInt<2>, flip dbg_cmd_addr : UInt<32>}, dbg_dctl : {flip dbg_cmd_wrdata : UInt<2>}}, flip dbg_dma : {dbg_ib : {flip dbg_cmd_valid : UInt<1>, flip dbg_cmd_write : UInt<1>, flip dbg_cmd_type : UInt<2>, flip dbg_cmd_addr : UInt<32>}, dbg_dctl : {flip dbg_cmd_wrdata : UInt<2>}}, flip dbg_dma_io : {flip dbg_dma_bubble : UInt<1>, dma_dbg_ready : UInt<1>}, flip dbg_bus_clk_en : UInt<1>, flip dbg_rst_l : UInt<1>, flip clk_override : UInt<1>, flip scan_mode : UInt<1>}
+    output io : {dbg_cmd_size : UInt<2>, dbg_core_rst_l : UInt<1>, flip core_dbg_rddata : UInt<32>, flip core_dbg_cmd_done : UInt<1>, flip core_dbg_cmd_fail : UInt<1>, dbg_halt_req : UInt<1>, dbg_resume_req : UInt<1>, flip dec_tlu_debug_mode : UInt<1>, flip dec_tlu_dbg_halted : UInt<1>, flip dec_tlu_mpc_halted_only : UInt<1>, flip dec_tlu_resume_ack : UInt<1>, flip dmi_reg_en : UInt<1>, flip dmi_reg_addr : UInt<7>, flip dmi_reg_wr_en : UInt<1>, flip dmi_reg_wdata : UInt<32>, dmi_reg_rdata : UInt<32>, sb_axi : {aw : {flip ready : UInt<1>, valid : UInt<1>, bits : {id : UInt<1>, addr : UInt<32>, region : UInt<4>, len : UInt<8>, size : UInt<3>, burst : UInt<2>, lock : UInt<1>, cache : UInt<4>, prot : UInt<3>, qos : UInt<4>}}, w : {flip ready : UInt<1>, valid : UInt<1>, bits : {data : UInt<64>, strb : UInt<8>, last : UInt<1>}}, flip b : {flip ready : UInt<1>, valid : UInt<1>, bits : {resp : UInt<2>, id : UInt<1>}}, ar : {flip ready : UInt<1>, valid : UInt<1>, bits : {id : UInt<1>, addr : UInt<32>, region : UInt<4>, len : UInt<8>, size : UInt<3>, burst : UInt<2>, lock : UInt<1>, cache : UInt<4>, prot : UInt<3>, qos : UInt<4>}}, flip r : {flip ready : UInt<1>, valid : UInt<1>, bits : {id : UInt<1>, data : UInt<64>, resp : UInt<2>, last : UInt<1>}}}, flip dbg_dec : {dbg_ib : {flip dbg_cmd_valid : UInt<1>, flip dbg_cmd_write : UInt<1>, flip dbg_cmd_type : UInt<2>, flip dbg_cmd_addr : UInt<32>}, dbg_dctl : {flip dbg_cmd_wrdata : UInt<32>}}, flip dbg_dma : {dbg_ib : {flip dbg_cmd_valid : UInt<1>, flip dbg_cmd_write : UInt<1>, flip dbg_cmd_type : UInt<2>, flip dbg_cmd_addr : UInt<32>}, dbg_dctl : {flip dbg_cmd_wrdata : UInt<32>}}, flip dbg_dma_io : {flip dbg_dma_bubble : UInt<1>, dma_dbg_ready : UInt<1>}, flip dbg_bus_clk_en : UInt<1>, flip dbg_rst_l : UInt<1>, flip clk_override : UInt<1>, flip scan_mode : UInt<1>}
     
     wire dbg_state : UInt<3>
     dbg_state <= UInt<3>("h00")

dbg.v

@@ -81,12 +81,12 @@ module dbg(
   output        io_dbg_dec_dbg_ib_dbg_cmd_write,
   output [1:0]  io_dbg_dec_dbg_ib_dbg_cmd_type,
   output [31:0] io_dbg_dec_dbg_ib_dbg_cmd_addr,
-  output [1:0]  io_dbg_dec_dbg_dctl_dbg_cmd_wrdata,
+  output [31:0] io_dbg_dec_dbg_dctl_dbg_cmd_wrdata,
   output        io_dbg_dma_dbg_ib_dbg_cmd_valid,
   output        io_dbg_dma_dbg_ib_dbg_cmd_write,
   output [1:0]  io_dbg_dma_dbg_ib_dbg_cmd_type,
   output [31:0] io_dbg_dma_dbg_ib_dbg_cmd_addr,
-  output [1:0]  io_dbg_dma_dbg_dctl_dbg_cmd_wrdata,
+  output [31:0] io_dbg_dma_dbg_dctl_dbg_cmd_wrdata,
   output        io_dbg_dma_io_dbg_dma_bubble,
   input         io_dbg_dma_io_dma_dbg_ready,
   input         io_dbg_bus_clk_en,
@@ -678,7 +678,7 @@ module dbg(
   assign io_dbg_dec_dbg_ib_dbg_cmd_write = command_reg[16]; // @[dbg.scala 327:35]
   assign io_dbg_dec_dbg_ib_dbg_cmd_type = _T_504 ? 2'h2 : _T_524; // @[dbg.scala 328:34]
   assign io_dbg_dec_dbg_ib_dbg_cmd_addr = _T_504 ? {{1'd0}, _T_506} : _T_508; // @[dbg.scala 324:34]
-  assign io_dbg_dec_dbg_dctl_dbg_cmd_wrdata = data0_reg[1:0]; // @[dbg.scala 325:38]
+  assign io_dbg_dec_dbg_dctl_dbg_cmd_wrdata = data0_reg; // @[dbg.scala 325:38]
   assign io_dbg_dma_dbg_ib_dbg_cmd_valid = io_dbg_dec_dbg_ib_dbg_cmd_valid; // @[dbg.scala 449:39]
   assign io_dbg_dma_dbg_ib_dbg_cmd_write = io_dbg_dec_dbg_ib_dbg_cmd_write; // @[dbg.scala 450:39]
   assign io_dbg_dma_dbg_ib_dbg_cmd_type = io_dbg_dec_dbg_ib_dbg_cmd_type; // @[dbg.scala 451:39]

firrtl_black_box_resource_files.f

@@ -1 +1,3 @@
 /home/waleedbinehsan/Desktop/Quasar/gated_latch.v
+/home/waleedbinehsan/Desktop/Quasar/dmi_wrapper.sv
+/home/waleedbinehsan/Desktop/Quasar/mem.sv

src/main/scala/dbg/dbg.scala

@@ -450,3 +450,6 @@ class dbg extends Module with lib with RequireAsyncReset {
   io.dbg_dma.dbg_ib.dbg_cmd_write     := io.dbg_dec.dbg_ib.dbg_cmd_write
   io.dbg_dma.dbg_ib.dbg_cmd_type      := io.dbg_dec.dbg_ib.dbg_cmd_type
 }
+object dbg extends App {
+  println((new chisel3.stage.ChiselStage).emitVerilog(new dbg()))
+}

src/main/scala/include/bundle.scala

@@ -34,7 +34,7 @@ class tlu_dma extends Bundle{
 
 class dec_bp extends Bundle{
   val dec_tlu_br0_r_pkt = Flipped(Valid(new br_tlu_pkt_t))
-//  val dec_tlu_flush_lower_wb = Input(Bool())
+  //  val dec_tlu_flush_lower_wb = Input(Bool())
   val dec_tlu_flush_leak_one_wb = Input(Bool())
   val dec_tlu_bpred_disable = Input(Bool())
 }
@@ -44,6 +44,25 @@ class dec_ifc extends Bundle{
   val dec_tlu_mrac_ff = Input(UInt(32.W))
   val ifu_pmu_fetch_stall = Output(Bool())
 }
+class ahb_in extends Bundle{
+  val hrdata        = Input(UInt(64.W)) // [63:0]    // ahb bus read data
+  val hready        = Input(Bool()) // slave ready to accept transaction
+  val hresp         = Input(Bool()) // slave response (high indicates erro)
+}
+class ahb_out extends Bundle{
+  val haddr         = Output(UInt(32.W)) // [31:0]  // ahb bus address
+  val hburst        = Output(UInt(3.W)) // [2:0]   // tied to 0
+  val hmastlock     = Output(Bool()) // tied to 0
+  val hprot         = Output(UInt(4.W)) // [3:0]   // tied to 4'b0011
+  val hsize         = Output(UInt(3.W)) // [2:0]   // size of bus transaction (possible values 0,1,2,3)
+  val htrans        = Output(UInt(2.W))
+  val hwrite        = Output(Bool()) // ahb bus write
+  val hwdata        = Output(UInt(64.W)) // [63:0]  // ahb bus write data
+}
+class ahb_channel extends Bundle{
+  val in = Input(new ahb_in)
+  val out = Output(new ahb_out)
+}
 class axi_channels(val BUS_TAG :Int=3) extends Bundle with lib{
   val aw = Decoupled(new write_addr(BUS_TAG))
   val w = Decoupled(new write_data())
@@ -92,7 +111,7 @@ class write_resp(val TAG : Int=3) extends Bundle with lib{ // write_response
 }
 
 class dec_mem_ctrl extends Bundle with lib{
-//  val dec_tlu_flush_lower_wb = Input(Bool())
+  //  val dec_tlu_flush_lower_wb = Input(Bool())
   val dec_tlu_flush_err_wb = Input(Bool())
   val dec_tlu_i0_commit_cmt = Input(Bool())
   val dec_tlu_force_halt = Input(Bool())
@@ -288,7 +307,7 @@ class dbg_ib extends Bundle{
 }
 
 class dbg_dctl extends Bundle{
-  val dbg_cmd_wrdata          = Input(UInt(2.W))    // command write data, for fence/fence_i
+  val dbg_cmd_wrdata          = Input(UInt(32.W))    // command write data, for fence/fence_i
 }
 
 
@@ -402,7 +421,7 @@ class rets_pkt_t extends Bundle {
 }
 
 class br_pkt_t extends Bundle {
- // val valid          = UInt(1.W)
+  // val valid          = UInt(1.W)
   val toffset        = UInt(12.W)
   val hist           = UInt(2.W)
   val br_error       = UInt(1.W)
@@ -415,7 +434,7 @@ class br_pkt_t extends Bundle {
 
 
 class br_tlu_pkt_t extends Bundle {
- // val valid           = UInt(1.W)
+  // val valid           = UInt(1.W)
   val hist            = UInt(2.W)
   val br_error        = UInt(1.W)
   val br_start_error  = UInt(1.W)
@@ -430,7 +449,7 @@ class predict_pkt_t extends Bundle {
   val pc4        = UInt(1.W)
   val hist       = UInt(2.W)
   val toffset    = UInt(12.W)
- // val valid      = UInt(1.W)
+  // val valid      = UInt(1.W)
   val br_error   = UInt(1.W)
   val br_start_error = UInt(1.W)
   val prett      = UInt(31.W)
@@ -460,7 +479,7 @@ class dest_pkt_t extends Bundle {
   val i0store   = UInt(1.W)
   val i0div     = UInt(1.W)
   val i0v       = UInt(1.W)
- // val i0valid   = UInt(1.W)
+  // val i0valid   = UInt(1.W)
   val csrwen    = UInt(1.W)
   val csrwonly  = UInt(1.W)
   val csrwaddr  = UInt(12.W)
@@ -514,11 +533,11 @@ class lsu_pkt_t extends Bundle {
   val store_data_bypass_d  = Bool()
   val load_ldst_bypass_d   = Bool()
   val store_data_bypass_m  = Bool()
-//  val valid      = Bool()
+  //  val valid      = Bool()
 }
 
 class lsu_error_pkt_t extends Bundle {
- // val exc_valid   = UInt(1.W)
+  // val exc_valid   = UInt(1.W)
   val single_ecc_error  = UInt(1.W)
   val inst_type    = UInt(1.W)    //0: Load, 1: Store
   val exc_type     = UInt(1.W)    //0: MisAligned, 1: Access Fault
@@ -580,7 +599,7 @@ class dec_pkt_t extends Bundle {
 }
 
 class mul_pkt_t extends Bundle {
- // val valid     = UInt(1.W)
+  // val valid     = UInt(1.W)
   val rs1_sign  = UInt(1.W)
   val rs2_sign  = UInt(1.W)
   val low       = UInt(1.W)
@@ -602,7 +621,7 @@ class mul_pkt_t extends Bundle {
 }
 
 class div_pkt_t extends Bundle {
- // val valid     = UInt(1.W)
+  // val valid     = UInt(1.W)
   val unsign    = UInt(1.W)
   val rem       = UInt(1.W)
 }

src/main/scala/lib/ahb_to_axi4.scala

@@ -20,14 +20,14 @@ class ahb_to_axi4 extends Module with lib with RequireAsyncReset {
     val axi_rid         = Input(UInt(TAG.W))
     val axi_rdata       = Input(UInt(64.W))
     val axi_rresp       = Input(UInt(2.W))
-    val ahb_haddr       = Input(UInt(32.W)) // ahb bus address
-    val ahb_hburst      = Input(UInt(3.W)) // tied to 0
-    val ahb_hmastlock   = Input(Bool()) // tied to 0
-    val ahb_hprot       = Input(UInt(4.W)) // tied to 4'b0011
-    val ahb_hsize       = Input(UInt(3.W)) // size of bus transaction (possible values 0          =1          =2          =3)
-    val ahb_htrans      = Input(UInt(2.W)) // Transaction type (possible values 0          =2 only right now)
-    val ahb_hwrite      = Input(Bool()) // ahb bus write
-    val ahb_hwdata      = Input(UInt(64.W)) // ahb bus write data
+    //    val ahb_haddr       = Input(UInt(32.W)) // ahb bus address
+    //    val ahb_hburst      = Input(UInt(3.W)) // tied to 0
+    //    val ahb_hmastlock   = Input(Bool()) // tied to 0
+    //    val ahb_hprot       = Input(UInt(4.W)) // tied to 4'b0011
+    //    val ahb_hsize       = Input(UInt(3.W)) // size of bus transaction (possible values 0          =1          =2          =3)
+    //    val ahb_htrans      = Input(UInt(2.W)) // Transaction type (possible values 0          =2 only right now)
+    //    val ahb_hwrite      = Input(Bool()) // ahb bus write
+    //    val ahb_hwdata      = Input(UInt(64.W)) // ahb bus write data
     val ahb_hsel        = Input(Bool()) // this slave was selected
     val ahb_hreadyin    = Input(Bool()) // previous hready was accepted or not
     // outputs
@@ -51,9 +51,10 @@ class ahb_to_axi4 extends Module with lib with RequireAsyncReset {
     val axi_arlen       = Output(UInt(8.W))
     val axi_arburst     = Output(UInt(2.W))
     val axi_rready      = Output(Bool())
-    val ahb_hrdata      = Output(UInt(64.W)) // ahb bus read data
-    val ahb_hreadyout   = Output(Bool()) // slave ready to accept transaction
-    val ahb_hresp       = Output(Bool()) // slave response (high indicates erro)
+    val ahb             = Flipped(new ahb_channel())
+    //    val ahb_hrdata      = Output(UInt(64.W)) // ahb bus read data
+    //    val ahb_hreadyout   = Output(Bool()) // slave ready to accept transaction
+    //    val ahb_hresp       = Output(Bool()) // slave response (high indicates erro)
   })
   val idle:: wr :: rd :: pend :: Nil = Enum(4)
   val TAG= 1
@@ -114,18 +115,18 @@ class ahb_to_axi4 extends Module with lib with RequireAsyncReset {
   switch(buf_state) {
 
     is(idle) {
-      buf_nxtstate := Mux(io.ahb_hwrite, wr, rd)
-      buf_state_en := ahb_hready & io.ahb_htrans(1) & io.ahb_hsel // only transition on a valid hrtans
+      buf_nxtstate := Mux(io.ahb.out.hwrite, wr, rd)
+      buf_state_en := ahb_hready & io.ahb.out.htrans(1) & io.ahb_hsel // only transition on a valid hrtans
     }
     is(wr) { // Write command recieved last cycle
-      buf_nxtstate := Mux((io.ahb_hresp | (io.ahb_htrans(1, 0) === "b0".U) | !io.ahb_hsel).asBool, idle, Mux(io.ahb_hwrite, wr, rd))
-      buf_state_en := (!cmdbuf_full | io.ahb_hresp)
-      cmdbuf_wr_en := !cmdbuf_full & !(io.ahb_hresp | ((io.ahb_htrans(1, 0) === "b01".U(2.W)) & io.ahb_hsel)) // Dont send command to the buffer in case of an error or when the master is not ready with the data now.
+      buf_nxtstate := Mux((io.ahb.in.hresp | (io.ahb.out.htrans(1, 0) === "b0".U) | !io.ahb_hsel).asBool, idle, Mux(io.ahb.out.hwrite, wr, rd))
+      buf_state_en := (!cmdbuf_full | io.ahb.in.hresp)
+      cmdbuf_wr_en := !cmdbuf_full & !(io.ahb.in.hresp | ((io.ahb.out.htrans(1, 0) === "b01".U(2.W)) & io.ahb_hsel)) // Dont send command to the buffer in case of an error or when the master is not ready with the data now.
     }
     is(rd) { // Read command recieved last cycle.
-      buf_nxtstate := Mux(io.ahb_hresp, idle, pend) // If error go to idle, else wait for read data
-      buf_state_en := (!cmdbuf_full | io.ahb_hresp) // only when command can go, or if its an error
-      cmdbuf_wr_en := !io.ahb_hresp & !cmdbuf_full // send command only when no error
+      buf_nxtstate := Mux(io.ahb.in.hresp, idle, pend) // If error go to idle, else wait for read data
+      buf_state_en := (!cmdbuf_full | io.ahb.in.hresp) // only when command can go, or if its an error
+      cmdbuf_wr_en := !io.ahb.in.hresp & !cmdbuf_full // send command only when no error
     }
     is(pend) { // Read Command has been sent. Waiting on Data.
       buf_nxtstate := idle // go back for next command and present data next cycle
@@ -142,11 +143,11 @@ class ahb_to_axi4 extends Module with lib with RequireAsyncReset {
     (Fill(8,ahb_hsize_q(2,0) === 3.U)  &  255.U)
 
   // AHB signals
-  io.ahb_hreadyout            := Mux(io.ahb_hresp,(ahb_hresp_q & !ahb_hready_q), ((!cmdbuf_full | (buf_state === idle)) & !(buf_state === rd | buf_state === pend)  & !buf_read_error))
-  ahb_hready                  := io.ahb_hreadyout & io.ahb_hreadyin
-  ahb_htrans_in               := Fill(2,io.ahb_hsel) & io.ahb_htrans(1,0)
-  io.ahb_hrdata               := buf_rdata(63,0)
-  io.ahb_hresp                := ((ahb_htrans_q(1,0) =/= 0.U) & (buf_state =/= idle)  &
+  io.ahb.in.hready               := Mux(io.ahb.in.hresp,(ahb_hresp_q & !ahb_hready_q), ((!cmdbuf_full | (buf_state === idle)) & !(buf_state === rd | buf_state === pend)  & !buf_read_error))
+  ahb_hready                  := io.ahb.in.hready & io.ahb_hreadyin
+  ahb_htrans_in               := Fill(2,io.ahb_hsel) & io.ahb.out.htrans(1,0)
+  io.ahb.in.hrdata               := buf_rdata(63,0)
+  io.ahb.in.hresp                := ((ahb_htrans_q(1,0) =/= 0.U) & (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.U) | (ahb_hsize_q(1,0) === 3.U))) |    // ICCM Rd/Wr OR DCCM Wr not the right size
       ((ahb_hsize_q(2,0) === 1.U) & ahb_haddr_q(0))   |                                                                             // HW size but unaligned
@@ -160,22 +161,22 @@ class ahb_to_axi4 extends Module with lib with RequireAsyncReset {
   buf_read_error              := withClock(ahb_clk){RegNext(buf_read_error_in,0.U)}
 
   // All the Master signals are captured before presenting it to the command buffer. We check for Hresp before sending it to the cmd buffer.
-  ahb_hresp_q                 := withClock(ahb_clk){RegNext(io.ahb_hresp,0.U)}
+  ahb_hresp_q                 := withClock(ahb_clk){RegNext(io.ahb.in.hresp,0.U)}
   ahb_hready_q                := withClock(ahb_clk){RegNext(ahb_hready,0.U)}
   ahb_htrans_q                := withClock(ahb_clk){RegNext(ahb_htrans_in,0.U)}
-  ahb_hsize_q                 := withClock(ahb_addr_clk){RegNext(io.ahb_hsize,0.U)}
-  ahb_hwrite_q                := withClock(ahb_addr_clk){RegNext(io.ahb_hwrite,0.U)}
-  ahb_haddr_q                 := withClock(ahb_addr_clk){RegNext(io.ahb_haddr,0.U)}
+  ahb_hsize_q                 := withClock(ahb_addr_clk){RegNext(io.ahb.out.hsize,0.U)}
+  ahb_hwrite_q                := withClock(ahb_addr_clk){RegNext(io.ahb.out.hwrite,0.U)}
+  ahb_haddr_q                 := withClock(ahb_addr_clk){RegNext(io.ahb.out.haddr,0.U)}
 
   // Clock header logic
-  ahb_bus_addr_clk_en         := io.bus_clk_en & (ahb_hready & io.ahb_htrans(1))
+  ahb_bus_addr_clk_en         := io.bus_clk_en & (ahb_hready & io.ahb.out.htrans(1))
   buf_rdata_clk_en            := io.bus_clk_en & buf_rdata_en;
 
   ahb_clk                     := rvclkhdr(clock, io.bus_clk_en, io.scan_mode)
   ahb_addr_clk                := rvclkhdr(clock, ahb_bus_addr_clk_en, io.scan_mode)
   buf_rdata_clk               := rvclkhdr(clock, buf_rdata_clk_en, io.scan_mode)
 
-  cmdbuf_rst                  := (((io.axi_awvalid & io.axi_awready) | (io.axi_arvalid & io.axi_arready)) & !cmdbuf_wr_en) | (io.ahb_hresp & !cmdbuf_write)
+  cmdbuf_rst                  := (((io.axi_awvalid & io.axi_awready) | (io.axi_arvalid & io.axi_arready)) & !cmdbuf_wr_en) | (io.ahb.in.hresp & !cmdbuf_write)
   cmdbuf_full                 := (cmdbuf_vld & !((io.axi_awvalid & io.axi_awready) | (io.axi_arvalid & io.axi_arready)))
   //rvdffsc
   cmdbuf_vld                  := withClock(bus_clk) {RegNext((Mux(cmdbuf_wr_en.asBool(),"b1".U,cmdbuf_vld) & !cmdbuf_rst), 0.U)}
@@ -192,7 +193,7 @@ class ahb_to_axi4 extends Module with lib with RequireAsyncReset {
 
   //rvdffe
   cmdbuf_addr := rvdffe(ahb_haddr_q, cmdbuf_wr_en.asBool(),bus_clk,io.scan_mode)
-  cmdbuf_wdata := rvdffe(io.ahb_hwdata, cmdbuf_wr_en.asBool(),bus_clk,io.scan_mode)
+  cmdbuf_wdata := rvdffe(io.ahb.out.hwdata, cmdbuf_wr_en.asBool(),bus_clk,io.scan_mode)
 
   // AXI Write Command Channel
   io.axi_awvalid          := cmdbuf_vld & cmdbuf_write
@@ -223,3 +224,6 @@ class ahb_to_axi4 extends Module with lib with RequireAsyncReset {
 
   bus_clk                 := rvclkhdr(clock, io.bus_clk_en, io.scan_mode)
 }
+object AHB_main extends App {
+  println("Generate Verilog")
+  println((new chisel3.stage.ChiselStage).emitVerilog(new ahb_to_axi4()))}

src/main/scala/lib/axi4_to_ahb.scala

@@ -2,6 +2,7 @@ package lib
 
 import chisel3._
 import chisel3.util._
+import include._
 
 trait Config {
   val TAG = 1
@@ -28,9 +29,6 @@ class axi4_to_ahb_IO extends Bundle with Config {
   val axi_arsize = Input(UInt(3.W)) // [2:0]
   val axi_arprot = Input(UInt(3.W)) // [2:0]
   val axi_rready = Input(Bool())
-  val ahb_hrdata = Input(UInt(64.W)) // [63:0]    // ahb bus read data
-  val ahb_hready = Input(Bool()) // slave ready to accept transaction
-  val ahb_hresp = Input(Bool()) // slave response (high indicates erro)
   //----------------------------outputs---------------------------
   val axi_awready = Output(Bool())
   val axi_wready = Output(Bool())
@@ -45,16 +43,12 @@ class axi4_to_ahb_IO extends Bundle with Config {
   val axi_rresp = Output(UInt(2.W)) // 1:0]
   val axi_rlast = Output(Bool())
   // AHB-Lite signals
-  val ahb_haddr = Output(UInt(32.W)) // [31:0]  // ahb bus address
-  val ahb_hburst = Output(UInt(3.W)) // [2:0]   // tied to 0
-  val ahb_hmastlock = Output(Bool()) // tied to 0
-  val ahb_hprot = Output(UInt(4.W)) // [3:0]   // tied to 4'b0011
-  val ahb_hsize = Output(UInt(3.W)) // [2:0]   // size of bus transaction (possible values 0,1,2,3)
-  val ahb_htrans = Output(UInt(2.W))
-  val ahb_hwrite = Output(Bool()) // ahb bus write
-  val ahb_hwdata = Output(UInt(64.W)) // [63:0]  // ahb bus write data
+  val ahb = new ahb_channel
 }
 
+
+
+
 class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
   val io = IO(new axi4_to_ahb_IO)
   val buf_rst = WireInit(0.U(1.W))
@@ -202,7 +196,7 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
   bus_write_clk := rvclkhdr(clock, bus_write_clk_en.asBool(), io.scan_mode)
 
   //State machine
-  io.ahb_htrans := 0.U
+  io.ahb.out.htrans := 0.U
   master_ready := 0.U
   buf_state_en := false.B
   buf_nxtstate   := idle
@@ -233,7 +227,7 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
       buf_cmd_byte_ptr := Mux(buf_write_in.asBool(), (get_nxtbyte_ptr(0.U(3.W), buf_byteen_in(7, 0), false.B)), master_addr(2, 0))
       bypass_en := buf_state_en
       rd_bypass_idle := bypass_en & (buf_nxtstate === cmd_rd)
-      io.ahb_htrans := (Fill(2, bypass_en)) & "b10".U
+      io.ahb.out.htrans := (Fill(2, bypass_en)) & "b10".U
     }
 
     is(cmd_rd) {
@@ -245,7 +239,7 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
       buf_wr_en := master_ready
       bypass_en := master_ready & master_valid
       buf_cmd_byte_ptr := Mux(bypass_en.asBool(), master_addr(2, 0), buf_addr(2, 0))
-      io.ahb_htrans := "b10".U & (Fill(2, (!buf_state_en | bypass_en)))
+      io.ahb.out.htrans := "b10".U & (Fill(2, (!buf_state_en | bypass_en)))
     }
 
     is(stream_rd) {
@@ -260,7 +254,7 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
       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 := Mux(bypass_en.asBool(), master_addr(2, 0), buf_addr(2, 0))
-      io.ahb_htrans := "b10".U & Fill(2, (!((buf_nxtstate =/= stream_rd) & buf_state_en)))
+      io.ahb.out.htrans := "b10".U & Fill(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
     }
 
@@ -270,7 +264,7 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
       slave_valid_pre := buf_state_en
       slvbuf_wr_en := buf_state_en // Overwrite slvbuf with buffer
       buf_cmd_byte_ptr := buf_addr(2, 0)
-      io.ahb_htrans := "b10".U(2.W) & Fill(2, !buf_state_en)
+      io.ahb.out.htrans := "b10".U(2.W) & Fill(2, !buf_state_en)
     }
 
     is(data_rd) {
@@ -290,7 +284,7 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
       slvbuf_wr_en := buf_state_en
       buf_cmd_byte_ptr := Mux(trxn_done.asBool(), (get_nxtbyte_ptr(buf_cmd_byte_ptrQ(2, 0), buf_byteen(7, 0), true.B)), buf_cmd_byte_ptrQ)
       cmd_done := trxn_done & (buf_aligned | (buf_cmd_byte_ptrQ === "b111".U) | (buf_byteen((get_nxtbyte_ptr(buf_cmd_byte_ptrQ(2, 0), buf_byteen(7, 0), true.B))) === "b0".U))
-      io.ahb_htrans := Fill(2, !(cmd_done | cmd_doneQ)) & "b10".U
+      io.ahb.out.htrans := Fill(2, !(cmd_done | cmd_doneQ)) & "b10".U
     }
 
     is(data_wr) {
@@ -305,7 +299,7 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
       cmd_done :=   (ahb_hresp_q | (ahb_hready_q & (ahb_htrans_q(1,0) =/= 0.U) &
         ((buf_cmd_byte_ptrQ === 7.U) | (buf_byteen(get_nxtbyte_ptr(buf_cmd_byte_ptrQ(2,0),buf_byteen(7,0),true.B)) === 0.U))))
       bypass_en := buf_state_en & buf_write_in & (buf_nxtstate === cmd_wr)
-      io.ahb_htrans := Fill(2, (!(cmd_done | cmd_doneQ) | bypass_en)) & 2.U
+      io.ahb.out.htrans := Fill(2, (!(cmd_done | cmd_doneQ) | bypass_en)) & 2.U
       slave_valid_pre := buf_state_en & (buf_nxtstate =/= done)
       trxn_done := ahb_hready_q & ahb_hwrite_q & (ahb_htrans_q(1,0) =/= 0.U)
       buf_cmd_byte_ptr_en := trxn_done | bypass_en
@@ -349,21 +343,21 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
     ((master_size(1, 0) === "b11".U) & ((master_byteen(7, 0) === "h3".U) | (master_byteen(7, 0) === "hc".U) | (master_byteen(7, 0) === "h30".U) | (master_byteen(7, 0) === "hc0".U) |
       (master_byteen(7, 0) === "hf".U) | (master_byteen(7, 0) === "hf0".U) | (master_byteen(7, 0) === "hff".U)))
   // Generate the ahb signals
-  io.ahb_haddr := Mux(bypass_en.asBool(), Cat(master_addr(31, 3), buf_cmd_byte_ptr(2, 0)), Cat(buf_addr(31, 3), buf_cmd_byte_ptr(2, 0)))
-  io.ahb_hsize := Mux(bypass_en.asBool(), Cat(0.U, (Fill(2, buf_aligned_in) & buf_size_in(1, 0))), Cat("b0".U, (Fill(2, buf_aligned) & buf_size(1, 0))))
+  io.ahb.out.haddr := Mux(bypass_en.asBool(), Cat(master_addr(31, 3), buf_cmd_byte_ptr(2, 0)), Cat(buf_addr(31, 3), buf_cmd_byte_ptr(2, 0)))
+  io.ahb.out.hsize := Mux(bypass_en.asBool(), Cat(0.U, (Fill(2, buf_aligned_in) & buf_size_in(1, 0))), Cat("b0".U, (Fill(2, buf_aligned) & buf_size(1, 0))))
 
-  io.ahb_hburst := "b0".U
-  io.ahb_hmastlock := "b0".U
-  io.ahb_hprot := Cat("b001".U, ~io.axi_arprot(2))
-  io.ahb_hwrite := Mux(bypass_en.asBool(), (master_opc(2, 1) === "b01".U), buf_write)
-  io.ahb_hwdata := buf_data(63, 0)
+  io.ahb.out.hburst := "b0".U
+  io.ahb.out.hmastlock := "b0".U
+  io.ahb.out.hprot := Cat("b001".U, ~io.axi_arprot(2))
+  io.ahb.out.hwrite := Mux(bypass_en.asBool(), (master_opc(2, 1) === "b01".U), buf_write)
+  io.ahb.out.hwdata := buf_data(63, 0)
 
   slave_valid := slave_valid_pre
   slave_opc := Cat(Mux(slvbuf_write.asBool(), "b11".U, "b00".U), Fill(2, slvbuf_error) & "b10".U)
   slave_rdata := Mux(slvbuf_error.asBool(), Fill(2, last_bus_addr(31, 0)), Mux((buf_state === done), buf_data(63, 0), ahb_hrdata_q(63, 0)))
   slave_tag := slvbuf_tag(TAG - 1, 0)
 
-  last_addr_en := (io.ahb_htrans(1, 0) =/= "b0".U) & io.ahb_hready & io.ahb_hwrite
+  last_addr_en := (io.ahb.out.htrans(1, 0) =/= "b0".U) & io.ahb.in.hready & io.ahb.out.hwrite
   // Write buffer
   wrbuf_en := io.axi_awvalid & io.axi_awready & master_ready
   wrbuf_data_en := io.axi_wvalid & io.axi_wready & master_ready
@@ -382,7 +376,7 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
   wrbuf_addr        := rvdffe(io.axi_awaddr, wrbuf_en.asBool,bus_clk,io.scan_mode)
   wrbuf_data        := rvdffe(io.axi_wdata, wrbuf_data_en.asBool,bus_clk,io.scan_mode)
   wrbuf_byteen      := withClock(bus_clk) {RegEnable(io.axi_wstrb(7, 0), 0.U, wrbuf_data_en.asBool())}
-  last_bus_addr     := withClock(ahbm_clk) {RegEnable(io.ahb_haddr(31, 0), 0.U, last_addr_en.asBool())}
+  last_bus_addr     := withClock(ahbm_clk) {RegEnable(io.ahb.out.haddr(31, 0), 0.U, last_addr_en.asBool())}
   buf_write         := withClock(buf_clk) {RegEnable(buf_write_in, 0.U, buf_wr_en.asBool())}
   buf_tag           := withClock(buf_clk) {RegEnable(buf_tag_in(TAG - 1, 0), 0.U, buf_wr_en.asBool())}
   buf_addr          := rvdffe(buf_addr_in(31, 0),(buf_wr_en & io.bus_clk_en).asBool,clock,io.scan_mode)
@@ -395,14 +389,14 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
   slvbuf_error      := withClock(ahbm_clk) {RegEnable(slvbuf_error_in, 0.U, slvbuf_error_en.asBool())}
   cmd_doneQ         := withClock(ahbm_clk) {RegNext(Mux(cmd_done.asBool(),1.U,cmd_doneQ) & !cmd_done_rst, 0.U)}
   buf_cmd_byte_ptrQ := withClock(ahbm_clk) {RegEnable(buf_cmd_byte_ptr(2, 0), 0.U, buf_cmd_byte_ptr_en.asBool())}
-  ahb_hready_q      := withClock(ahbm_clk) {RegNext(io.ahb_hready, 0.U)}
-  ahb_htrans_q      := withClock(ahbm_clk) {RegNext(io.ahb_htrans(1, 0), 0.U)}
-  ahb_hwrite_q      := withClock(ahbm_addr_clk) {RegNext(io.ahb_hwrite, 0.U)}
-  ahb_hresp_q       := withClock(ahbm_clk) {RegNext(io.ahb_hresp, 0.U)}
-  ahb_hrdata_q      := withClock(ahbm_data_clk) {RegNext(io.ahb_hrdata(63, 0), 0.U)}
+  ahb_hready_q      := withClock(ahbm_clk) {RegNext(io.ahb.in.hready, 0.U)}
+  ahb_htrans_q      := withClock(ahbm_clk) {RegNext(io.ahb.out.htrans(1, 0), 0.U)}
+  ahb_hwrite_q      := withClock(ahbm_addr_clk) {RegNext(io.ahb.out.hwrite, 0.U)}
+  ahb_hresp_q       := withClock(ahbm_clk) {RegNext(io.ahb.in.hresp, 0.U)}
+  ahb_hrdata_q      := withClock(ahbm_data_clk) {RegNext(io.ahb.in.hrdata(63, 0), 0.U)}
 
   buf_clken := io.bus_clk_en & (buf_wr_en | slvbuf_wr_en | io.clk_override)
-  ahbm_addr_clken := io.bus_clk_en & ((io.ahb_hready & io.ahb_htrans(1)) | io.clk_override)
+  ahbm_addr_clken := io.bus_clk_en & ((io.ahb.in.hready & io.ahb.out.htrans(1)) | io.clk_override)
   ahbm_data_clken := io.bus_clk_en & ((buf_state =/= idle) | io.clk_override)
 
   //Clkhdr
@@ -411,3 +405,8 @@ class axi4_to_ahb extends Module with lib with RequireAsyncReset with Config {
   ahbm_addr_clk := rvclkhdr(clock, ahbm_addr_clken, io.scan_mode)
   ahbm_data_clk := rvclkhdr(clock, ahbm_data_clken, io.scan_mode)
 }
+
+object AXImain extends App {
+  println("Generate Verilog")
+  println((new chisel3.stage.ChiselStage).emitVerilog(new axi4_to_ahb()))
+}

src/main/scala/quasar.scala

@@ -14,6 +14,11 @@ class quasar_bundle extends Bundle with  lib{
   val sb_axi  = new axi_channels(SB_BUS_TAG)
   val dma_axi = Flipped(new axi_channels(DMA_BUS_TAG))
 
+  val ahb = new ahb_channel
+  val lsu_ahb = new ahb_channel
+  val sb_ahb = new ahb_channel
+  val dma_ahb = Flipped(new ahb_channel)
+
   val dbg_rst_l = Input(AsyncReset())
   val rst_vec = Input(UInt(31.W))
   val nmi_int = Input(Bool())
@@ -44,58 +49,59 @@ class quasar_bundle extends Bundle with  lib{
   val ic = new ic_mem()
   val iccm = new iccm_mem()
 
-  // AHB Lite Bus
-  val haddr = Output(UInt(32.W))
-  val hburst = Output(UInt(3.W))
-  val hmastlock = Output(Bool())
-  val hprot = Output(UInt(4.W))
-  val hsize = Output(UInt(3.W))
-  val htrans = Output(UInt(2.W))
-  val hwrite = Output(Bool())
-  val hrdata = Input(UInt(64.W))
-  val hready = Input(Bool())
-  val hresp = Input(Bool())
-
-  // AHB Master
-  val lsu_haddr = Output(UInt(32.W))
-  val lsu_hburst = Output(UInt(3.W))
-  val lsu_hmastlock = Output(Bool())
-  val lsu_hprot = Output(UInt(4.W))
-  val lsu_hsize = Output(UInt(3.W))
-  val lsu_htrans = Output(UInt(2.W))
-  val lsu_hwrite = Output(Bool())
-  val lsu_hwdata = Output(UInt(64.W))
-  val lsu_hrdata = Input(UInt(64.W))
-  val lsu_hready = Input(Bool())
-  val lsu_hresp = Input(Bool())
-
-  // System Bus Debug Master
-  val sb_haddr = Output(UInt(32.W))
-  val sb_hburst = Output(UInt(3.W))
-  val sb_hmastlock = Output(Bool())
-  val sb_hprot = Output(UInt(4.W))
-  val sb_hsize = Output(UInt(3.W))
-  val sb_htrans = Output(UInt(2.W))
-  val sb_hwrite = Output(Bool())
-  val sb_hwdata = Output(UInt(64.W))
-  val sb_hrdata = Input(UInt(64.W))
-  val sb_hready = Input(Bool())
-  val sb_hresp = Input(Bool())
-
-  // DMA slave
+  //  // AHB Lite Bus
+  //  val haddr = Output(UInt(32.W))
+  //  val hburst = Output(UInt(3.W))
+  //  val hmastlock = Output(Bool())
+  //  val hprot = Output(UInt(4.W))
+  //  val hsize = Output(UInt(3.W))
+  //  val htrans = Output(UInt(2.W))
+  //  val hwrite = Output(Bool())
+  //  val hrdata = Input(UInt(64.W))
+  //  val hready = Input(Bool())
+  //  val hresp = Input(Bool())
+  //
+  //  // AHB Master
+  //  val lsu_haddr = Output(UInt(32.W))
+  //  val lsu_hburst = Output(UInt(3.W))
+  //  val lsu_hmastlock = Output(Bool())
+  //  val lsu_hprot = Output(UInt(4.W))
+  //  val lsu_hsize = Output(UInt(3.W))
+  //  val lsu_htrans = Output(UInt(2.W))
+  //  val lsu_hwrite = Output(Bool())
+  //  val lsu_hwdata = Output(UInt(64.W))
+  //  val lsu_hrdata = Input(UInt(64.W))
+  //  val lsu_hready = Input(Bool())
+  //  val lsu_hresp = Input(Bool())
+  //
+  //  // System Bus Debug Master
+  //  val sb_haddr = Output(UInt(32.W))
+  //  val sb_hburst = Output(UInt(3.W))
+  //  val sb_hmastlock = Output(Bool())
+  //  val sb_hprot = Output(UInt(4.W))
+  //  val sb_hsize = Output(UInt(3.W))
+  //  val sb_htrans = Output(UInt(2.W))
+  //  val sb_hwrite = Output(Bool())
+  //  val sb_hwdata = Output(UInt(64.W))
+  //  val sb_hrdata = Input(UInt(64.W))
+  //  val sb_hready = Input(Bool())
+  //  val sb_hresp = Input(Bool())
+  //
+  //  // DMA slave
   val dma_hsel = Input(Bool())
-  val dma_haddr = Input(UInt(32.W))
-  val dma_hburst = Input(UInt(3.W))
-  val dma_hmastlock = Input(Bool())
-  val dma_hprot = Input(UInt(4.W))
-  val dma_hsize = Input(UInt(3.W))
-  val dma_htrans = Input(UInt(2.W))
-  val dma_hwrite = Input(Bool())
-  val dma_hwdata = Input(UInt(64.W))
+  //  val dma_haddr = Input(UInt(32.W))
+  //  val dma_hburst = Input(UInt(3.W))
+  //  val dma_hmastlock = Input(Bool())
+  //  val dma_hprot = Input(UInt(4.W))
+  //  val dma_hsize = Input(UInt(3.W))
+  //  val dma_htrans = Input(UInt(2.W))
+  //  val dma_hwrite = Input(Bool())
+  //  val dma_hwdata = Input(UInt(64.W))
   val dma_hreadyin = Input(Bool())
-  val dma_hrdata = Output(UInt(64.W))
-  val dma_hreadyout = Output(Bool())
-  val dma_hresp = Output(Bool())
+  //  val dma_hrdata = Output(UInt(64.W))
+  //  val dma_hreadyout = Output(Bool())
+  //  val dma_hresp = Output(Bool())
+
   val lsu_bus_clk_en = Input(Bool())
   val ifu_bus_clk_en = Input(Bool())
   val dbg_bus_clk_en = Input(Bool())
@@ -317,9 +323,9 @@ class quasar extends Module with RequireAsyncReset with lib {
     lsu_axi4_to_ahb.io.axi_arprot := io.lsu_axi.ar.bits.prot
 
     lsu_axi4_to_ahb.io.axi_rready := io.lsu_axi.r.ready
-    lsu_axi4_to_ahb.io.ahb_hrdata := io.lsu_hrdata
-    lsu_axi4_to_ahb.io.ahb_hready := io.lsu_hready
-    lsu_axi4_to_ahb.io.ahb_hresp := io.lsu_hresp
+    //    lsu_axi4_to_ahb.io.ahb_hrdata := io.lsu_hrdata
+    //    lsu_axi4_to_ahb.io.ahb_hready := io.lsu_hready
+    //    lsu_axi4_to_ahb.io.ahb_hresp := io.lsu_hresp
 
     val ifu_axi4_to_ahb = Module(new axi4_to_ahb())
     ifu_axi4_to_ahb.io.axi_awvalid := io.ifu_axi.aw.valid
@@ -345,9 +351,9 @@ class quasar extends Module with RequireAsyncReset with lib {
 
     ifu_axi4_to_ahb.io.axi_rready := io.ifu_axi.r.ready
 
-    ifu_axi4_to_ahb.io.ahb_hrdata := io.hrdata
-    ifu_axi4_to_ahb.io.ahb_hready := io.hready
-    ifu_axi4_to_ahb.io.ahb_hresp := io.hresp
+    //    ifu_axi4_to_ahb.io.ahb_hrdata := io.hrdata
+    //    ifu_axi4_to_ahb.io.ahb_hready := io.hready
+    //    ifu_axi4_to_ahb.io.ahb_hresp := io.hresp
 
     val sb_axi4_to_ahb = Module(new axi4_to_ahb())
     sb_axi4_to_ahb.io.axi_awvalid := io.sb_axi.aw.valid
@@ -372,9 +378,9 @@ class quasar extends Module with RequireAsyncReset with lib {
     sb_axi4_to_ahb.io.axi_arprot := io.sb_axi.ar.bits.prot
 
     sb_axi4_to_ahb.io.axi_rready := io.sb_axi.r.ready
-    sb_axi4_to_ahb.io.ahb_hrdata := io.sb_hrdata
-    sb_axi4_to_ahb.io.ahb_hready := io.sb_hready
-    sb_axi4_to_ahb.io.ahb_hresp := io.sb_hresp
+    //    sb_axi4_to_ahb.io.ahb_hrdata := io.sb_hrdata
+    //    sb_axi4_to_ahb.io.ahb_hready := io.sb_hready
+    //    sb_axi4_to_ahb.io.ahb_hresp := io.sb_hresp
 
     val dma_ahb_to_axi4 = Module(new ahb_to_axi4())
     dma_ahb_to_axi4.io.scan_mode := io.scan_mode
@@ -394,18 +400,16 @@ class quasar extends Module with RequireAsyncReset with lib {
     dma_ahb_to_axi4.io.axi_rresp := io.dma_axi.r.bits.resp
 
     // AHB-Lite signals
-    dma_ahb_to_axi4.io.ahb_haddr := io.dma_haddr
-    dma_ahb_to_axi4.io.ahb_hburst := io.dma_hburst
-    dma_ahb_to_axi4.io.ahb_hmastlock := io.dma_hmastlock
-    dma_ahb_to_axi4.io.ahb_hprot := io.dma_hprot
-    dma_ahb_to_axi4.io.ahb_hsize := io.dma_hsize
-    dma_ahb_to_axi4.io.ahb_htrans := io.dma_htrans
-    dma_ahb_to_axi4.io.ahb_hwrite := io.dma_hwrite
-    dma_ahb_to_axi4.io.ahb_hwdata := io.dma_hwdata
+    //    dma_ahb_to_axi4.io.ahb_haddr := io.dma_haddr
+    //    dma_ahb_to_axi4.io.ahb_hburst := io.dma_hburst
+    //    dma_ahb_to_axi4.io.ahb_hmastlock := io.dma_hmastlock
+    //    dma_ahb_to_axi4.io.ahb_hprot := io.dma_hprot
+    //    dma_ahb_to_axi4.io.ahb_hsize := io.dma_hsize
+    //    dma_ahb_to_axi4.io.ahb_htrans := io.dma_htrans
+    //    dma_ahb_to_axi4.io.ahb_hwrite := io.dma_hwrite
+    //    dma_ahb_to_axi4.io.ahb_hwdata := io.dma_hwdata
     dma_ahb_to_axi4.io.ahb_hsel := io.dma_hsel
     dma_ahb_to_axi4.io.ahb_hreadyin := io.dma_hreadyin
-
-    // Mux for the axi-bridge
     lsu.io.axi.aw.ready := Mux(BUILD_AHB_LITE.B, lsu_axi4_to_ahb.io.axi_awready, io.lsu_axi.aw.ready)
     lsu.io.axi.w.ready := Mux(BUILD_AHB_LITE.B, lsu_axi4_to_ahb.io.axi_wready, io.lsu_axi.w.ready)
     lsu.io.axi.b.valid := Mux(BUILD_AHB_LITE.B, lsu_axi4_to_ahb.io.axi_bvalid, io.lsu_axi.b.valid)
@@ -450,77 +454,81 @@ class quasar extends Module with RequireAsyncReset with lib {
     dma_ctrl.io.dma_axi.ar.bits.addr := Mux(BUILD_AHB_LITE.B, dma_ahb_to_axi4.io.axi_araddr, io.dma_axi.aw.bits.addr)
     dma_ctrl.io.dma_axi.ar.bits.size := Mux(BUILD_AHB_LITE.B, dma_ahb_to_axi4.io.axi_arsize, io.dma_axi.aw.bits.size)
     dma_ctrl.io.dma_axi.r.ready := Mux(BUILD_AHB_LITE.B, dma_ahb_to_axi4.io.axi_rready, io.dma_axi.r.ready)
-
-
     // AHB Signals
-    io.haddr := ifu_axi4_to_ahb.io.ahb_haddr
-    io.hburst := ifu_axi4_to_ahb.io.ahb_hburst
-    io.hmastlock := ifu_axi4_to_ahb.io.ahb_hmastlock
-    io.hprot := ifu_axi4_to_ahb.io.ahb_hprot
-    io.hsize := ifu_axi4_to_ahb.io.ahb_hsize
-    io.htrans := ifu_axi4_to_ahb.io.ahb_htrans
-    io.hwrite := ifu_axi4_to_ahb.io.ahb_hwrite
+    io.ahb <> ifu_axi4_to_ahb.io.ahb
+    //    io.haddr := ifu_axi4_to_ahb.io.ahb_haddr
+    //    io.hburst := ifu_axi4_to_ahb.io.ahb_hburst
+    //    io.hmastlock := ifu_axi4_to_ahb.io.ahb_hmastlock
+    //    io.hprot := ifu_axi4_to_ahb.io.ahb_hprot
+    //    io.hsize := ifu_axi4_to_ahb.io.ahb_hsize
+    //    io.htrans := ifu_axi4_to_ahb.io.ahb_htrans
+    //    io.hwrite := ifu_axi4_to_ahb.io.ahb_hwrite
 
+    io.lsu_ahb <> lsu_axi4_to_ahb.io.ahb
+    //    io.lsu_haddr := lsu_axi4_to_ahb.io.ahb_haddr
+    //    io.lsu_hburst := lsu_axi4_to_ahb.io.ahb_hburst
+    //    io.lsu_hmastlock := lsu_axi4_to_ahb.io.ahb_hmastlock
+    //    io.lsu_hprot := lsu_axi4_to_ahb.io.ahb_hprot
+    //    io.lsu_hsize := lsu_axi4_to_ahb.io.ahb_hsize
+    //    io.lsu_htrans := lsu_axi4_to_ahb.io.ahb_htrans
+    //    io.lsu_hwrite := lsu_axi4_to_ahb.io.ahb_hwrite
+    //    io.lsu_hwdata := lsu_axi4_to_ahb.io.ahb_hwdata
 
-    io.lsu_haddr := lsu_axi4_to_ahb.io.ahb_haddr
-    io.lsu_hburst := lsu_axi4_to_ahb.io.ahb_hburst
-    io.lsu_hmastlock := lsu_axi4_to_ahb.io.ahb_hmastlock
-    io.lsu_hprot := lsu_axi4_to_ahb.io.ahb_hprot
-    io.lsu_hsize := lsu_axi4_to_ahb.io.ahb_hsize
-    io.lsu_htrans := lsu_axi4_to_ahb.io.ahb_htrans
-    io.lsu_hwrite := lsu_axi4_to_ahb.io.ahb_hwrite
-    io.lsu_hwdata := lsu_axi4_to_ahb.io.ahb_hwdata
+    io.sb_ahb <> sb_axi4_to_ahb.io.ahb
+    //    io.sb_haddr := sb_axi4_to_ahb.io.ahb_haddr
+    //    io.sb_hburst := sb_axi4_to_ahb.io.ahb_hburst
+    //    io.sb_hmastlock := sb_axi4_to_ahb.io.ahb_hmastlock
+    //    io.sb_hprot := sb_axi4_to_ahb.io.ahb_hprot
+    //    io.sb_hsize := sb_axi4_to_ahb.io.ahb_hsize
+    //    io.sb_htrans := sb_axi4_to_ahb.io.ahb_htrans
+    //    io.sb_hwrite := sb_axi4_to_ahb.io.ahb_hwrite
+    //    io.sb_hwdata := sb_axi4_to_ahb.io.ahb_hwdata
 
-    io.sb_haddr := sb_axi4_to_ahb.io.ahb_haddr
-    io.sb_hburst := sb_axi4_to_ahb.io.ahb_hburst
-    io.sb_hmastlock := sb_axi4_to_ahb.io.ahb_hmastlock
-    io.sb_hprot := sb_axi4_to_ahb.io.ahb_hprot
-    io.sb_hsize := sb_axi4_to_ahb.io.ahb_hsize
-    io.sb_htrans := sb_axi4_to_ahb.io.ahb_htrans
-    io.sb_hwrite := sb_axi4_to_ahb.io.ahb_hwrite
-    io.sb_hwdata := sb_axi4_to_ahb.io.ahb_hwdata
-
-    io.dma_hrdata := dma_ahb_to_axi4.io.ahb_hrdata
-    io.dma_hreadyout := dma_ahb_to_axi4.io.ahb_hreadyout
-    io.dma_hresp := dma_ahb_to_axi4.io.ahb_hresp
+    io.dma_ahb <> dma_ahb_to_axi4.io.ahb
+    //    io.dma_hrdata := dma_ahb_to_axi4.io.ahb_hrdata
+    //    io.dma_hreadyout := dma_ahb_to_axi4.io.ahb_hreadyout
+    //    io.dma_hresp := dma_ahb_to_axi4.io.ahb_hresp
+    //    io.dma_hresp := 0.U//dma_ahb_to_axi4.io.ahb_hrdata
+    //    io.dmi_reg_rdata := 0.U//dma_ahb_to_axi4.io.ahb_rdata
   }
-      .otherwise{
-        // AHB Signals
-        io.haddr := 0.U
-        io.hburst := 0.U
-        io.hmastlock := 0.U
-        io.hprot := 0.U
-        io.hsize := 0.U
-        io.htrans := 0.U
-        io.hwrite := 0.U
+    .otherwise{
+      // AHB Signals
+      io.ahb.out <> 0.U.asTypeOf(io.ahb.out)
+      //        io.haddr := 0.U
+      //        io.hburst := 0.U
+      //        io.hmastlock := 0.U
+      //        io.hprot := 0.U
+      //        io.hsize := 0.U
+      //        io.htrans := 0.U
+      //        io.hwrite := 0.U
 
+      io.lsu_ahb.out <> 0.U.asTypeOf(io.lsu_ahb.out)
+      //        io.lsu_haddr := 0.U
+      //        io.lsu_hburst := 0.U
+      //        io.lsu_hmastlock := 0.U
+      //        io.lsu_hprot := 0.U
+      //        io.lsu_hsize := 0.U
+      //        io.lsu_htrans := 0.U
+      //        io.lsu_hwrite := 0.U
+      //        io.lsu_hwdata := 0.U
 
-        io.lsu_haddr := 0.U
-        io.lsu_hburst := 0.U
-        io.lsu_hmastlock := 0.U
-        io.lsu_hprot := 0.U
-        io.lsu_hsize := 0.U
-        io.lsu_htrans := 0.U
-        io.lsu_hwrite := 0.U
-        io.lsu_hwdata := 0.U
-
-        io.sb_haddr := 0.U
-        io.sb_hburst := 0.U
-        io.sb_hmastlock := 0.U
-        io.sb_hprot := 0.U
-        io.sb_hsize := 0.U
-        io.sb_htrans := 0.U
-        io.sb_hwrite := 0.U
-        io.sb_hwdata := 0.U
-
-        io.dma_hrdata := 0.U
-        io.dma_hreadyout := 0.U
-        io.dma_hresp := 0.U
-        }
+      io.sb_ahb.out <> 0.U.asTypeOf(io.sb_ahb.out)
+      //        io.sb_haddr := 0.U
+      //        io.sb_hburst := 0.U
+      //        io.sb_hmastlock := 0.U
+      //        io.sb_hprot := 0.U
+      //        io.sb_hsize := 0.U
+      //        io.sb_htrans := 0.U
+      //        io.sb_hwrite := 0.U
+      //        io.sb_hwdata := 0.U
 
+      io.dma_ahb.in <> 0.U.asTypeOf(io.dma_ahb.in)
+      //        io.dma_hrdata := 0.U
+      //        io.dma_hreadyout := 0.U
+      //        io.dma_hresp := 0.U
+    }
   io.dmi_reg_rdata := 0.U
 }
 
 
 
-

src/main/scala/quasar_wrapper.scala

@@ -20,18 +20,19 @@ class quasar_wrapper extends Module with lib with RequireAsyncReset {
 
     // DMA slave
     val dma_hsel = Input(Bool())
-    val dma_haddr = Input(UInt(32.W))
-    val dma_hburst = Input(UInt(3.W))
-    val dma_hmastlock = Input(Bool())
-    val dma_hprot = Input(UInt(4.W))
-    val dma_hsize = Input(UInt(3.W))
-    val dma_htrans = Input(UInt(2.W))
-    val dma_hwrite = Input(Bool())
-    val dma_hwdata = Input(UInt(64.W))
+    val dma_ahb = Flipped(new ahb_channel())
+    //    val dma_haddr = Input(UInt(32.W))
+    //    val dma_hburst = Input(UInt(3.W))
+    //    val dma_hmastlock = Input(Bool())
+    //    val dma_hprot = Input(UInt(4.W))
+    //    val dma_hsize = Input(UInt(3.W))
+    //    val dma_htrans = Input(UInt(2.W))
+    //    val dma_hwrite = Input(Bool())
+    //    val dma_hwdata = Input(UInt(64.W))
     val dma_hreadyin = Input(Bool())
-    val dma_hrdata = Output(UInt(64.W))
-    val dma_hreadyout = Output(Bool())
-    val dma_hresp = Output(Bool())
+    //    val dma_hrdata = Output(UInt(64.W))
+    //    val dma_hreadyout = Output(Bool())
+    //    val dma_hresp = Output(Bool())
 
     val lsu_bus_clk_en = Input(Bool())
     val ifu_bus_clk_en = Input(Bool())
@@ -74,127 +75,149 @@ class quasar_wrapper extends Module with lib with RequireAsyncReset {
     val rv_trace_pkt = new trace_pkt_t()
     val scan_mode = Input(Bool())
 
-})
+  })
   val mem = Module(new quasar.mem())
   val dmi_wrapper = Module(new dmi_wrapper())
-  val core = Module(new quasar())
+  val swerv = Module(new quasar())
   dmi_wrapper.io.trst_n := io.jtag_trst_n
   dmi_wrapper.io.tck := io.jtag_tck
   dmi_wrapper.io.tms := io.jtag_tms
   dmi_wrapper.io.tdi := io.jtag_tdi
   dmi_wrapper.io.core_clk := clock
   dmi_wrapper.io.jtag_id := io.jtag_id
-  dmi_wrapper.io.rd_data := core.io.dmi_reg_rdata
+  dmi_wrapper.io.rd_data := swerv.io.dmi_reg_rdata
 
 
   dmi_wrapper.io.core_rst_n := io.dbg_rst_l
-  core.io.dmi_reg_wdata := dmi_wrapper.io.reg_wr_data
-  core.io.dmi_reg_addr := dmi_wrapper.io.reg_wr_addr
-  core.io.dmi_reg_en := dmi_wrapper.io.reg_en
-  core.io.dmi_reg_wr_en := dmi_wrapper.io.reg_wr_en
-  core.io.dmi_hard_reset := dmi_wrapper.io.dmi_hard_reset
+  swerv.io.dmi_reg_wdata := dmi_wrapper.io.reg_wr_data
+  swerv.io.dmi_reg_addr := dmi_wrapper.io.reg_wr_addr
+  swerv.io.dmi_reg_en := dmi_wrapper.io.reg_en
+  swerv.io.dmi_reg_wr_en := dmi_wrapper.io.reg_wr_en
+  swerv.io.dmi_hard_reset := dmi_wrapper.io.dmi_hard_reset
   io.jtag_tdo := dmi_wrapper.io.tdo
 
   // Memory signals
-  mem.io.dccm_clk_override := core.io.dccm_clk_override
-  mem.io.icm_clk_override := core.io.icm_clk_override
-  mem.io.dec_tlu_core_ecc_disable := core.io.dec_tlu_core_ecc_disable
-  mem.io.dccm <> core.io.dccm
+  mem.io.dccm_clk_override := swerv.io.dccm_clk_override
+  mem.io.icm_clk_override := swerv.io.icm_clk_override
+  mem.io.dec_tlu_core_ecc_disable := swerv.io.dec_tlu_core_ecc_disable
+  mem.io.dccm <> swerv.io.dccm
   mem.io.rst_l := reset
   mem.io.clk := clock
   mem.io.scan_mode := io.scan_mode
   // Memory outputs
-  core.io.dbg_rst_l := io.dbg_rst_l
-  core.io.ic <> mem.io.ic
-  core.io.iccm <> mem.io.iccm
-  core.io.sb_hready := 0.U
-  core.io.hrdata := 0.U
-  core.io.sb_hresp := 0.U
-  core.io.lsu_hrdata := 0.U
-  core.io.lsu_hresp := 0.U
-  core.io.lsu_hready := 0.U
-  core.io.hready := 0.U
-  core.io.hresp := 0.U
-  core.io.sb_hrdata := 0.U
-  core.io.scan_mode := io.scan_mode
+  swerv.io.dbg_rst_l := io.dbg_rst_l
+  swerv.io.ic <> mem.io.ic
+  swerv.io.iccm <> mem.io.iccm
+
+  swerv.io.ahb.in      <> 0.U.asTypeOf(swerv.io.ahb.in)
+  swerv.io.lsu_ahb.in  <> 0.U.asTypeOf(swerv.io.lsu_ahb.in)
+  swerv.io.sb_ahb.in   <> 0.U.asTypeOf(swerv.io.sb_ahb.in)
+  io.dma_ahb.in   <> 0.U.asTypeOf(io.dma_ahb.in)
+  //  swerv.io.sb_hready := 0.U
+  //  swerv.io.hrdata := 0.U
+  //  swerv.io.sb_hresp := 0.U
+  //  swerv.io.lsu_hrdata := 0.U
+  //  swerv.io.lsu_hresp := 0.U
+  //  swerv.io.lsu_hready := 0.U
+  //  swerv.io.hready := 0.U
+  //  swerv.io.hresp := 0.U
+  //  swerv.io.sb_hrdata := 0.U
+  swerv.io.scan_mode := io.scan_mode
   // SweRV Inputs
-  core.io.dbg_rst_l := io.dbg_rst_l
-  core.io.rst_vec := io.rst_vec
-  core.io.nmi_int := io.nmi_int
-  core.io.nmi_vec := io.nmi_vec
+  swerv.io.dbg_rst_l := io.dbg_rst_l
+  swerv.io.rst_vec := io.rst_vec
+  swerv.io.nmi_int := io.nmi_int
+  swerv.io.nmi_vec := io.nmi_vec
 
   // external halt/run interface
-  core.io.i_cpu_halt_req := io.i_cpu_halt_req
-  core.io.i_cpu_run_req := io.i_cpu_run_req
-  core.io.core_id := io.core_id
+  swerv.io.i_cpu_halt_req := io.i_cpu_halt_req
+  swerv.io.i_cpu_run_req := io.i_cpu_run_req
+  swerv.io.core_id := io.core_id
 
   // external MPC halt/run interface
-  core.io.mpc_debug_halt_req := io.mpc_debug_halt_req
-  core.io.mpc_debug_run_req := io.mpc_debug_run_req
-  core.io.mpc_reset_run_req := io.mpc_reset_run_req
+  swerv.io.mpc_debug_halt_req := io.mpc_debug_halt_req
+  swerv.io.mpc_debug_run_req := io.mpc_debug_run_req
+  swerv.io.mpc_reset_run_req := io.mpc_reset_run_req
 
   //-------------------------- LSU AXI signals--------------------------
   // AXI Write Channels
-  core.io.lsu_axi <> io.lsu_axi
+  swerv.io.lsu_axi <> io.lsu_axi
   //-------------------------- IFU AXI signals--------------------------
   // AXI Write Channels
-  core.io.ifu_axi <> io.ifu_axi
+  swerv.io.ifu_axi <> io.ifu_axi
   //-------------------------- SB AXI signals--------------------------
   // AXI Write Channels
-  core.io.sb_axi <> io.sb_axi
+  swerv.io.sb_axi <> io.sb_axi
 
   //-------------------------- DMA AXI signals--------------------------
   // AXI Write Channels
-  core.io.dma_axi <> io.dma_axi
+  swerv.io.dma_axi <> io.dma_axi
 
   // DMA Slave
-  core.io.dma_hsel := io.dma_hsel
-  core.io.dma_haddr := io.dma_haddr
-  core.io.dma_hburst := io.dma_hburst
-  core.io.dma_hmastlock := io.dma_hmastlock
-  core.io.dma_hprot := io.dma_hprot
-  core.io.dma_hsize := io.dma_hsize
-  core.io.dma_htrans := io.dma_htrans
-  core.io.dma_hwrite := io.dma_hwrite
-  core.io.dma_hwdata := io.dma_hwdata
-  core.io.dma_hreadyin := io.dma_hreadyin
+  swerv.io.dma_hsel := io.dma_hsel
+  swerv.io.dma_ahb.out <> io.dma_ahb.out
+  //  swerv.io.dma_haddr := io.dma_haddr
+  //  swerv.io.dma_hburst := io.dma_hburst
+  //  swerv.io.dma_hmastlock := io.dma_hmastlock
+  //  swerv.io.dma_hprot := io.dma_hprot
+  //  swerv.io.dma_hsize := io.dma_hsize
+  //  swerv.io.dma_htrans := io.dma_htrans
+  //  swerv.io.dma_hwrite := io.dma_hwrite
+  //  swerv.io.dma_hwdata := io.dma_hwdata
+  swerv.io.dma_hreadyin := io.dma_hreadyin
 
-  core.io.lsu_bus_clk_en := io.lsu_bus_clk_en
-  core.io.ifu_bus_clk_en := io.ifu_bus_clk_en
-  core.io.dbg_bus_clk_en := io.dbg_bus_clk_en
-  core.io.dma_bus_clk_en := io.dma_bus_clk_en
+  swerv.io.lsu_bus_clk_en
+  swerv.io.ifu_bus_clk_en
+  swerv.io.dbg_bus_clk_en
+  swerv.io.dma_bus_clk_en
 
-  core.io.timer_int := io.timer_int
-  core.io.soft_int := io.soft_int
-  core.io.extintsrc_req := io.extintsrc_req
+  swerv.io.dmi_reg_en
+  swerv.io.dmi_reg_addr
+  swerv.io.dmi_reg_wr_en
+  swerv.io.dmi_reg_wdata
+  swerv.io.dmi_hard_reset
+
+  swerv.io.extintsrc_req
+  swerv.io.timer_int
+  swerv.io.soft_int
+  swerv.io.scan_mode
+
+  swerv.io.lsu_bus_clk_en := io.lsu_bus_clk_en
+  swerv.io.ifu_bus_clk_en := io.ifu_bus_clk_en
+  swerv.io.dbg_bus_clk_en := io.dbg_bus_clk_en
+  swerv.io.dma_bus_clk_en := io.dma_bus_clk_en
+
+  swerv.io.timer_int := io.timer_int
+  swerv.io.soft_int := io.soft_int
+  swerv.io.extintsrc_req := io.extintsrc_req
 
   // Outputs
-  val core_rst_l = core.io.core_rst_l
-  io.rv_trace_pkt := core.io.rv_trace_pkt
+  val core_rst_l = swerv.io.core_rst_l
+  io.rv_trace_pkt := swerv.io.rv_trace_pkt
 
   // external halt/run interface
-  io.o_cpu_halt_ack := core.io.o_cpu_halt_ack
-  io.o_cpu_halt_status := core.io.o_cpu_halt_status
-  io.o_cpu_run_ack := core.io.o_cpu_run_ack
-  io.o_debug_mode_status := core.io.o_debug_mode_status
+  io.o_cpu_halt_ack := swerv.io.o_cpu_halt_ack
+  io.o_cpu_halt_status := swerv.io.o_cpu_halt_status
+  io.o_cpu_run_ack := swerv.io.o_cpu_run_ack
+  io.o_debug_mode_status := swerv.io.o_debug_mode_status
 
-  io.mpc_debug_halt_ack := core.io.mpc_debug_halt_ack
-  io.mpc_debug_run_ack := core.io.mpc_debug_run_ack
-  io.debug_brkpt_status := core.io.debug_brkpt_status
+  io.mpc_debug_halt_ack := swerv.io.mpc_debug_halt_ack
+  io.mpc_debug_run_ack := swerv.io.mpc_debug_run_ack
+  io.debug_brkpt_status := swerv.io.debug_brkpt_status
 
-  io.dec_tlu_perfcnt0 := core.io.dec_tlu_perfcnt0
-  io.dec_tlu_perfcnt1 := core.io.dec_tlu_perfcnt1
-  io.dec_tlu_perfcnt2 := core.io.dec_tlu_perfcnt2
-  io.dec_tlu_perfcnt3 := core.io.dec_tlu_perfcnt3
+  io.dec_tlu_perfcnt0 := swerv.io.dec_tlu_perfcnt0
+  io.dec_tlu_perfcnt1 := swerv.io.dec_tlu_perfcnt1
+  io.dec_tlu_perfcnt2 := swerv.io.dec_tlu_perfcnt2
+  io.dec_tlu_perfcnt3 := swerv.io.dec_tlu_perfcnt3
 
 
   //-------------------------- LSU AXI signals--------------------------
   // AXI Write Channels
 
   // DMA Slave
-  io.dma_hrdata := core.io.dma_hrdata
-  io.dma_hreadyout := core.io.dma_hreadyout
-  io.dma_hresp := core.io.dma_hresp
+  //  io.dma_hrdata := swerv.io.dma_hrdata
+  //  io.dma_hreadyout := swerv.io.dma_hreadyout
+  //  io.dma_hresp := swerv.io.dma_hresp
 
 }
 object QUASAR_Wrp extends App {