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quasar/testbench/tb_top.sv

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QUASAR 2.0 Final
2021-03-03 14:35:11 +08:00
// SPDX-License-Identifier: Apache-2.0
// Copyright 2019 Western Digital 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.
//
`ifdef VERILATOR
module tb_top ( input bit core_clk );
`else
module tb_top;
bit core_clk;
`endif
initial begin
QUASAR added
2021-03-03 18:17:53 +08:00
$dumpfile("test.vcd");
$dumpvars;
end
QUASAR 2.0 Final
2021-03-03 14:35:11 +08:00
logic rst_l;
logic porst_l;
logic nmi_int;
logic [31:0] reset_vector;
logic [31:0] nmi_vector;
logic [31:1] jtag_id;
logic [31:0] ic_haddr;
logic [2:0] ic_hburst;
logic ic_hmastlock;
logic [3:0] ic_hprot;
logic [2:0] ic_hsize;
logic [1:0] ic_htrans;
logic ic_hwrite;
logic [63:0] ic_hrdata;
logic ic_hready;
logic ic_hresp;
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_hrdata;
logic [63:0] lsu_hwdata;
logic lsu_hready;
logic lsu_hresp;
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_hrdata;
logic [63:0] sb_hwdata;
logic sb_hready;
logic sb_hresp;
logic [31:0] trace_rv_i_insn_ip;
logic [31:0] trace_rv_i_address_ip;
logic [1:0] trace_rv_i_valid_ip;
logic [1:0] trace_rv_i_exception_ip;
logic [4:0] trace_rv_i_ecause_ip;
logic [1:0] trace_rv_i_interrupt_ip;
logic [31:0] trace_rv_i_tval_ip;
logic o_debug_mode_status;
logic jtag_tdo;
logic o_cpu_halt_ack;
logic o_cpu_halt_status;
logic o_cpu_run_ack;
logic mailbox_write;
logic [63:0] dma_hrdata;
logic [63:0] dma_hwdata;
logic dma_hready;
logic dma_hresp;
logic mpc_debug_halt_req;
logic mpc_debug_run_req;
logic mpc_reset_run_req;
logic mpc_debug_halt_ack;
logic mpc_debug_run_ack;
logic debug_brkpt_status;
bit [31:0] cycleCnt;
logic mailbox_data_val;
wire dma_hready_out;
int commit_count;
logic wb_valid[1:0];
logic [4:0] wb_dest[1:0];
logic [31:0] wb_data[1:0];
`ifdef RV_BUILD_AXI4
//-------------------------- LSU AXI signals--------------------------
// AXI Write Channels
wire lsu_axi_awvalid;
wire lsu_axi_awready;
wire [`RV_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 [`RV_LSU_BUS_TAG-1:0] lsu_axi_bid;
// AXI Read Channels
wire lsu_axi_arvalid;
wire lsu_axi_arready;
wire [`RV_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 [`RV_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 [`RV_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 [`RV_IFU_BUS_TAG-1:0] ifu_axi_bid;
// AXI Read Channels
wire ifu_axi_arvalid;
wire ifu_axi_arready;
wire [`RV_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 [`RV_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 [`RV_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 [`RV_SB_BUS_TAG-1:0] sb_axi_bid;
// AXI Read Channels
wire sb_axi_arvalid;
wire sb_axi_arready;
wire [`RV_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 [`RV_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 [`RV_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 [`RV_DMA_BUS_TAG-1:0] dma_axi_bid;
// AXI Read Channels
wire dma_axi_arvalid;
wire dma_axi_arready;
wire [`RV_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 [`RV_DMA_BUS_TAG-1:0] dma_axi_rid;
wire [63:0] dma_axi_rdata;
wire [1:0] dma_axi_rresp;
wire dma_axi_rlast;
wire lmem_axi_arvalid;
wire lmem_axi_arready;
wire lmem_axi_rvalid;
wire [`RV_LSU_BUS_TAG-1:0] lmem_axi_rid;
wire [1:0] lmem_axi_rresp;
wire [63:0] lmem_axi_rdata;
wire lmem_axi_rlast;
wire lmem_axi_rready;
wire lmem_axi_awvalid;
wire lmem_axi_awready;
wire lmem_axi_wvalid;
wire lmem_axi_wready;
wire [1:0] lmem_axi_bresp;
wire lmem_axi_bvalid;
wire [`RV_LSU_BUS_TAG-1:0] lmem_axi_bid;
wire lmem_axi_bready;
`endif
wire[63:0] WriteData;
wire[63:0] ifu_brg_out_hwdata;
assign mailbox_write = lmem.mailbox_write;
assign WriteData = lmem.WriteData;
assign mailbox_data_val = WriteData[7:0] > 8'h5 && WriteData[7:0] < 8'h7f;
parameter MAX_CYCLES = 2_000_000;
integer fd, tp, el, pic ,lsu, ifu, dec,exu;
always @(negedge core_clk) begin
cycleCnt <= cycleCnt+1;
// Test timeout monitor
if(cycleCnt == MAX_CYCLES) begin
$display ("Hit max cycle count (%0d) .. stopping",cycleCnt);
$finish;
end
// console Monitor
if( mailbox_data_val & mailbox_write) begin
$fwrite(fd,"%c", WriteData[7:0]);
$write("%c", WriteData[7:0]);
end
// End Of test monitor
if(mailbox_write && WriteData[7:0] == 8'hff) begin
$display("TEST_PASSED");
$display("\nFinished : minstret = %0d, mcycle = %0d", rvtop.core.dec.tlu.csr.minstretl[31:0],rvtop.core.dec.tlu.csr.mcyclel[31:0]);
$display("See \"exec.log\" for execution trace with register updates..\n");
$finish;
end
else if(mailbox_write && WriteData[7:0] == 8'h1) begin
$display("TEST_FAILED");
$finish;
end
end
// trace monitor
always @(posedge core_clk) begin
wb_valid[0] <= rvtop.core.dec.decode_io_dec_i0_wen_r;
wb_dest[0] <= rvtop.core.dec.decode_io_dec_i0_waddr_r;
wb_data[0] <= rvtop.core.dec.decode_io_dec_i0_wdata_r;
if (trace_rv_i_valid_ip !== 0) begin
$fwrite(tp,"%b,%h,%h,%0h,%0h,3,%b,%h,%h,%b\n", trace_rv_i_valid_ip, 0, trace_rv_i_address_ip,
0, trace_rv_i_insn_ip,trace_rv_i_exception_ip,trace_rv_i_ecause_ip,
trace_rv_i_tval_ip,trace_rv_i_interrupt_ip);
// Basic trace - no exception register updates
// #1 0 ee000000 b0201073 c 0b02 00000000
for (int i=0; i<1; i++)
if (trace_rv_i_valid_ip[i]==1) begin
commit_count++;
$fwrite (el, "%5d : %6s 0 %h %b %s\n", cycleCnt, $sformatf("#%0d",commit_count),
trace_rv_i_address_ip[31+i*32 -:32], trace_rv_i_insn_ip[31+i*32-:32],
(wb_dest[i] !=0 && wb_data[0])? $sformatf("r%0d=%h", wb_dest[i], wb_data[i]) : "");
end
end
end
//////////////////////////////////////////////////pic tracer///////////////////////////////////////////////////////
always @(posedge core_clk) begin
if (rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_wren == 1) begin
$fwrite(pic,"%0d,%0d,%h\t",rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_wren, rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_wraddr, rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_wr_data);
end
else if(rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_rden == 1)
$fwrite(pic, "x\tx\tx\t");
if (rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_rden == 1) begin
$fwrite(pic,"%0d,%0d,%h\n",rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_rden, rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_rdaddr, rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_rd_data);
end
else if(rvtop.core.pic_ctrl_inst.io_lsu_pic_picm_wren == 1)
$fwrite(pic, "x\tx\tx\t\n");
end
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////LSU tracer///////////////////////////////////////////////////////
always @(posedge core_clk) begin
if (rvtop.core.lsu.io_dccm_wren == 1) begin
$fwrite(lsu,"%0h,%0h,%0h,%0h,%0h\t",rvtop.core.lsu.io_dccm_wren, rvtop.core.lsu.io_dccm_wr_addr_hi,rvtop.core.lsu.io_dccm_wr_addr_lo, rvtop.core.lsu.io_dccm_wr_data_hi,rvtop.core.lsu.io_dccm_wr_data_lo );
end
else if(rvtop.core.lsu.io_dccm_rden == 1 || rvtop.core.lsu.io_lsu_dma_dma_dccm_ctl_dccm_dma_rvalid)
$fwrite(lsu, "x\tx\tx\tx\tx\t");
if (rvtop.core.lsu.io_dccm_rden == 1) begin
$fwrite(lsu,"%0h,%0h,%0h,%0h,%0h\t",rvtop.core.lsu.io_dccm_rden, rvtop.core.lsu.io_dccm_rd_addr_hi,rvtop.core.lsu.io_dccm_rd_addr_lo, rvtop.core.lsu.io_dccm_rd_data_hi,rvtop.core.lsu.io_dccm_rd_data_lo );
end
else if(rvtop.core.lsu.io_dccm_wren == 1 || rvtop.core.lsu.io_lsu_dma_dma_dccm_ctl_dccm_dma_rvalid)
$fwrite(lsu, "x\tx\tx\tx\tx\t");
if (rvtop.core.lsu.io_lsu_dma_dma_dccm_ctl_dccm_dma_rvalid == 1) begin
$fwrite(lsu,"%0h,%0h\n",rvtop.core.lsu.io_lsu_dma_dma_dccm_ctl_dccm_dma_rvalid, rvtop.core.lsu.io_lsu_dma_dma_dccm_ctl_dccm_dma_rdata );
end
else if (rvtop.core.lsu.io_dccm_wren == 1 || rvtop.core.lsu.io_dccm_rden== 1)
$fwrite(lsu, "x\tx\n");
end
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////IFU tracer////////////////////////////////////////////////////////
always @(posedge core_clk) begin
if (rvtop.core.ifu.aln_ctl_io_dec_aln_aln_ib_ifu_i0_valid == 1 && cycleCnt != 0) begin
$fwrite(ifu,"%5d,%0h,%0h,%0h\t",cycleCnt,rvtop.core.ifu.aln_ctl_io_dec_aln_aln_ib_ifu_i0_valid, rvtop.core.ifu.aln_ctl_io_dec_aln_aln_ib_ifu_i0_instr,rvtop.core.ifu.aln_ctl_io_dec_aln_aln_ib_ifu_i0_pc);
end
else if((rvtop.core.ifu.io_iccm_wren == 1 || rvtop.core.ifu.io_iccm_rden==1 || rvtop.core.ifu.io_ic_wr_en !==0 || rvtop.core.ifu.io_ic_rd_en ==1 || rvtop.core.ifu.io_iccm_dma_rvalid == 1) && cycleCnt != 0)
$fwrite(ifu,"%5d,x\tx\tx\t",cycleCnt);
if (rvtop.core.ifu.io_iccm_wren == 1 && cycleCnt != 0) begin
$fwrite(ifu,"%0h,%0h,%0h\t",rvtop.core.ifu.io_iccm_wren,rvtop.core.ifu.io_iccm_rw_addr , rvtop.core.ifu.io_iccm_wr_data);
end
else if((rvtop.core.ifu.aln_ctl_io_dec_aln_aln_ib_ifu_i0_valid == 1 || rvtop.core.ifu.io_iccm_rden==1 || rvtop.core.ifu.io_ic_wr_en !==0 || rvtop.core.ifu.io_ic_rd_en ==1 || rvtop.core.ifu.io_iccm_dma_rvalid == 1) && cycleCnt != 0)
$fwrite(ifu,"\tx\tx\tx\t");
if (rvtop.core.ifu.io_iccm_rden == 1 && cycleCnt != 0) begin
$fwrite(ifu,"%0h,%0h,%0h\t",rvtop.core.ifu.io_iccm_rden,rvtop.core.ifu.io_iccm_rw_addr , rvtop.core.ifu.io_iccm_rd_data_ecc);
end
else if((rvtop.core.ifu.aln_ctl_io_dec_aln_aln_ib_ifu_i0_valid == 1 || rvtop.core.ifu.io_iccm_wren==1 || rvtop.core.ifu.io_ic_wr_en !==0 || rvtop.core.ifu.io_ic_rd_en ==1 || rvtop.core.ifu.io_iccm_dma_rvalid == 1)&& cycleCnt != 0)
$fwrite(ifu,"\tx\tx\tx\t");
if (rvtop.core.ifu.io_ic_wr_en !== 0 && cycleCnt != 0) begin
$fwrite(ifu,"%0h,%0h,%0h\t",rvtop.core.ifu.io_ic_wr_en,rvtop.core.ifu.io_ic_rw_addr,rvtop.core.ifu.io_ic_wr_data_0,rvtop.core.ifu.io_ic_wr_data_1);
end
else if((rvtop.core.ifu.aln_ctl_io_dec_aln_aln_ib_ifu_i0_valid == 1 || rvtop.core.ifu.io_iccm_wren==1 || rvtop.core.ifu.io_iccm_rden ==1 || rvtop.core.ifu.io_ic_rd_en ==1 || rvtop.core.ifu.io_iccm_dma_rvalid == 1)&& cycleCnt != 0)
$fwrite(ifu,"\tx\tx\tx\tx\t");
if (rvtop.core.ifu.io_ic_rd_en == 1 && cycleCnt != 0) begin
$fwrite(ifu,"%0h,%0h,%0h\t",rvtop.core.ifu.io_ic_rd_en,rvtop.core.ifu.io_ic_rw_addr,rvtop.core.ifu.io_ic_rd_data);
end
else if((rvtop.core.ifu.aln_ctl_io_dec_aln_aln_ib_ifu_i0_valid == 1 || rvtop.core.ifu.io_iccm_wren==1 || rvtop.core.ifu.io_iccm_rden ==1 || rvtop.core.ifu.io_ic_wr_en !== 0 ||rvtop.core.ifu.io_iccm_dma_rvalid == 1)&& cycleCnt != 0)
$fwrite(ifu,"\tx\tx\tx\t");
if (rvtop.core.ifu.io_iccm_dma_rvalid == 1 && cycleCnt != 0) begin
$fwrite(ifu,"%h,%0h\n",rvtop.core.ifu.io_iccm_dma_rvalid,rvtop.core.ifu.io_iccm_dma_rdata);
end
else if((rvtop.core.ifu.aln_ctl_io_dec_aln_aln_ib_ifu_i0_valid == 1 || rvtop.core.ifu.io_iccm_wren==1 || rvtop.core.ifu.io_iccm_rden ==1 || rvtop.core.ifu.io_ic_wr_en !== 0 || rvtop.core.ifu.io_ic_rd_en)&& cycleCnt != 0)
$fwrite(ifu,"\tx\tx\n");
end
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////DEC tracer////////////////////////////////////////////////////////
always @(posedge core_clk) begin
if (rvtop.core.dma_ctrl.io_dma_dbg_cmd_done == 1) begin
$fwrite(dec,"%5d,\t%0h,%0h\t",cycleCnt,rvtop.core.dma_ctrl.io_dma_dbg_cmd_done,rvtop.core.dec.io_dec_dbg_rddata);
end
else if(rvtop.core.dec.io_dec_exu_dec_alu_dec_i0_alu_decode_d == 1 || rvtop.core.dec.decode_io_dec_csr_wen_r==1)
$fwrite(dec,"%5d,\tx\tx\t",cycleCnt);
if (rvtop.core.dec.io_dec_exu_dec_alu_dec_i0_alu_decode_d == 1) begin
$fwrite(dec,"%0h,%0h,%0h,%0h,%0h,%0h\t", rvtop.core.dec.io_dec_exu_dec_alu_dec_i0_alu_decode_d, rvtop.core.dec.decode_io_decode_exu_dec_i0_rs1_en_d,
rvtop.core.exu.i0_rs1_d, rvtop.core.dec.decode_io_decode_exu_dec_i0_rs2_en_d, rvtop.core.exu.i0_rs2_d, rvtop.core.exu.io_dec_exu_decode_exu_exu_i0_result_x);
end
else if(rvtop.core.dma_ctrl.io_dma_dbg_cmd_done == 1 || rvtop.core.dec.decode_io_dec_csr_wen_r==1)
$fwrite(dec,"x\t,x\t,x\t,x\tx\tx\t");
if (rvtop.core.dec.decode_io_dec_csr_wen_r==1 ) begin
$fwrite(dec,"%0h,%0h,%0h,%0h,%0h\n", rvtop.core.dec.decode_io_dec_csr_wen_r, rvtop.core.dec.decode_io_dec_csr_wraddr_r, rvtop.core.dec.decode_io_dec_csr_wrdata_r, rvtop.core.dec.decode_io_dec_csr_rdaddr_d, rvtop.core.dec.decode_io_dec_csr_rddata_d);
end
else if(rvtop.core.dma_ctrl.io_dma_dbg_cmd_done == 1 || rvtop.core.dec.io_dec_exu_dec_alu_dec_i0_alu_decode_d == 1 )
$fwrite(dec,"x\t,x\t,x\t,x\t,x\n");
end
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////exu tracer///////////////////////////////////////////////////
always @(posedge core_clk) begin
if (rvtop.core.exu.io_exu_div_wren == 1) begin
$fwrite(exu,"%5d,\t%0h,%0h,%0h,%0h,%0h\t",cycleCnt,rvtop.core.exu.io_exu_div_wren, rvtop.core.exu.io_exu_div_result, rvtop.core.exu.i_div.io_dividend, rvtop.core.exu.i_div.io_divisor, rvtop.core.exu.i_div.io_exu_div_result);
end
else if(rvtop.core.exu.i0_rs1_bypass_en_d == 1 || rvtop.core.exu.i0_rs2_bypass_en_d == 1)
$fwrite(exu,"%5d,\tx\tx\tx\tx\tx,\t",cycleCnt);
if (rvtop.core.exu.i0_rs1_bypass_en_d == 1) begin
$fwrite(exu,"\t%0h,%0h\t",rvtop.core.exu.i0_rs1_bypass_en_d ,rvtop.core.exu.i0_rs1_bypass_data_d );
end
else if(rvtop.core.exu.io_exu_div_wren == 1 || rvtop.core.exu.i0_rs2_bypass_en_d == 1)
$fwrite(exu,"\tx\tx\t");
if (rvtop.core.exu.i0_rs2_bypass_en_d == 1) begin
$fwrite(exu,"\t%0h,%0h\n",rvtop.core.exu.i0_rs2_bypass_en_d ,rvtop.core.exu.i0_rs2_bypass_data_d );
end
else if(rvtop.core.exu.io_exu_div_wren == 1 || rvtop.core.exu.i0_rs1_bypass_en_d == 1)
$fwrite(exu,"\tx\tx\n");
end
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
initial begin
// tie offs
jtag_id[31:28] = 4'b1;
jtag_id[27:12] = '0;
jtag_id[11:1] = 11'h45;
reset_vector = 32'h0;
nmi_vector = 32'hee000000;
nmi_int = 0;
$readmemh("data.hex", lmem.mem);
$readmemh("program.hex", imem.mem);
tp = $fopen("trace_port.csv","w");
el = $fopen("exec.log","w");
//////////////////////////////////////////////////////////////////
pic = $fopen("pic.log","w");
$fwrite (pic, " write enable, write addr , write data ,read enable, read address, read data \n");
///////////////////////////////////////////////////////////////////
lsu = $fopen("lsu.log","w");
$fwrite (lsu,"write en, write addrs hi,write addrs lo, write data hi,write data lo, read_en, read addrs hi,read addrs lo, read data hi,read data lo, dma valid, dma read data \n");
/////////////////////////////////////////////////////////////////////////
ifu = $fopen("ifu.log","w");
$fwrite (ifu,"cycleCnt,inst_valid,inst,inst_pc\ticcm wen,iccm waddr,iccm wdata, iccm ren,iccm raddr, iccm rdata\tic wen,ic waddr,ic wdata0,ic wdata1\tic ren,ic raddr,ic rdata\ticcm dma rvalid,iccm dma rdata\n");
///////////////////////////////////////////////////////////////////////////
dec = $fopen("dec.log","w");
$fwrite (dec,"clock cycle dbg cmd, dbg rd data\talu decode, rs1 en, rs1, rs2 en, rs2, result, csr wen, csr wr addr, csr wrdata, csr rd addr, csr rd data\n");
///////////////////////////////////////////////////////////////////////////
exu = $fopen("exu.log","w");
$fwrite (exu,"clock cycle div enable, div result, dividend, divisor, out\t,rs1 bypassen, rs1 bypassdata\t, rs2 bypassen, rs2 bypassdata\n");
$fwrite (el, "//Cycle : #inst 0 pc opcode reg regnum value\n");
fd = $fopen("console.log","w");
commit_count = 0;
preload_dccm();
preload_iccm();
`ifndef VERILATOR
if($test$plusargs("dumpon")) $dumpvars;
forever core_clk = #5 ~core_clk;
`endif
end
assign rst_l = cycleCnt > 5;
assign porst_l = cycleCnt > 2;
//=========================================================================-
// RTL instance
//=========================================================================-
quasar_wrapper rvtop (
.reset ( rst_l ),
.io_dbg_rst_l ( porst_l ),
.clock ( core_clk ),
.io_rst_vec ( reset_vector[31:1]),
.io_nmi_int ( nmi_int ),
.io_nmi_vec ( nmi_vector[31:1]),
.io_jtag_id ( jtag_id[31:1]),
`ifdef RV_BUILD_AHB_LITE
.io_ifu_brg_out_haddr ( ic_haddr ),
.io_ifu_brg_out_hburst ( ic_hburst ),
.io_ifu_brg_out_hmastlock ( ic_hmastlock ),
.io_ifu_brg_out_hprot ( ic_hprot ),
.io_ifu_brg_out_hsize ( ic_hsize ),
.io_ifu_brg_out_htrans ( ic_htrans ),
.io_ifu_brg_out_hwrite ( ic_hwrite ),
.io_ifu_brg_out_hwdata ( ifu_brg_out_hwdata),
.io_ifu_brg_in_hrdata ( ic_hrdata[63:0]),
.io_ifu_brg_in_hready ( ic_hready ),
.io_ifu_brg_in_hresp ( ic_hresp ),
//---------------------------------------------------------------
// Debug AHB Master
//---------------------------------------------------------------
.io_sb_brg_out_haddr ( sb_haddr ),
.io_sb_brg_out_hburst ( sb_hburst ),
.io_sb_brg_out_hmastlock ( sb_hmastlock ),
.io_sb_brg_out_hprot ( sb_hprot ),
.io_sb_brg_out_hsize ( sb_hsize ),
.io_sb_brg_out_htrans ( sb_htrans ),
.io_sb_brg_out_hwrite ( sb_hwrite ),
.io_sb_brg_out_hwdata ( sb_hwdata ),
.io_sb_brg_in_hrdata ( sb_hrdata ),
.io_sb_brg_in_hready ( sb_hready ),
.io_sb_brg_in_hresp ( sb_hresp ),
//---------------------------------------------------------------
// LSU AHB Master
//---------------------------------------------------------------
.io_lsu_brg_out_haddr ( lsu_haddr ),
.io_lsu_brg_out_hburst ( lsu_hburst ),
.io_lsu_brg_out_hmastlock ( lsu_hmastlock ),
.io_lsu_brg_out_hprot ( lsu_hprot ),
.io_lsu_brg_out_hsize ( lsu_hsize ),
.io_lsu_brg_out_htrans ( lsu_htrans ),
.io_lsu_brg_out_hwrite ( lsu_hwrite ),
.io_lsu_brg_out_hwdata ( lsu_hwdata ),
.io_lsu_brg_in_hrdata ( lsu_hrdata[63:0]),
.io_lsu_brg_in_hready ( lsu_hready ),
.io_lsu_brg_in_hresp ( lsu_hresp ),
//---------------------------------------------------------------
// DMA Slave
//---------------------------------------------------------------
.io_dma_brg_sig_out_haddr ( '0 ),
.io_dma_brg_sig_out_hburst ( '0 ),
.io_dma_brg_sig_out_hmastlock ( '0 ),
.io_dma_brg_sig_out_hprot ( '0 ),
.io_dma_brg_sig_out_hsize ( '0 ),
.io_dma_brg_sig_out_htrans ( '0 ),
.io_dma_brg_sig_out_hwrite ( '0 ),
.io_dma_brg_sig_out_hwdata ( '0 ),
.io_dma_brg_sig_in_hrdata ( dma_hrdata ),
.io_dma_brg_sig_in_hresp ( dma_hresp ),
.io_dma_brg_hsel ( 1'b1 ),
.io_dma_brg_hreadyin ( dma_hready_out ),
.io_dma_brg_sig_in_hready ( dma_hready_out ),
`endif
`ifdef RV_BUILD_AXI4
//-------------------------- LSU AXI signals--------------------------
// AXI Write Channels
.io_lsu_brg_aw_valid (lsu_axi_awvalid),
.io_lsu_brg_aw_ready (lsu_axi_awready),
.io_lsu_brg_aw_bits_id (lsu_axi_awid),
.io_lsu_brg_aw_bits_addr (lsu_axi_awaddr),
.io_lsu_brg_aw_bits_region (lsu_axi_awregion),
.io_lsu_brg_aw_bits_len (lsu_axi_awlen),
.io_lsu_brg_aw_bits_size (lsu_axi_awsize),
.io_lsu_brg_aw_bits_burst (lsu_axi_awburst),
.io_lsu_brg_aw_bits_lock (lsu_axi_awlock),
.io_lsu_brg_aw_bits_cache (lsu_axi_awcache),
.io_lsu_brg_aw_bits_prot (lsu_axi_awprot),
.io_lsu_brg_aw_bits_qos (lsu_axi_awqos),
.io_lsu_brg_w_valid (lsu_axi_wvalid),
.io_lsu_brg_w_ready (lsu_axi_wready),
.io_lsu_brg_w_bits_data (lsu_axi_wdata),
.io_lsu_brg_w_bits_strb (lsu_axi_wstrb),
.io_lsu_brg_w_bits_last (lsu_axi_wlast),
.io_lsu_brg_b_valid (lsu_axi_bvalid),
.io_lsu_brg_b_ready (lsu_axi_bready),
.io_lsu_brg_b_bits_resp (lsu_axi_bresp),
.io_lsu_brg_b_bits_id (lsu_axi_bid),
.io_lsu_brg_ar_valid (lsu_axi_arvalid),
.io_lsu_brg_ar_ready (lsu_axi_arready),
.io_lsu_brg_ar_bits_id (lsu_axi_arid),
.io_lsu_brg_ar_bits_addr (lsu_axi_araddr),
.io_lsu_brg_ar_bits_region (lsu_axi_arregion),
.io_lsu_brg_ar_bits_len (lsu_axi_arlen),
.io_lsu_brg_ar_bits_size (lsu_axi_arsize),
.io_lsu_brg_ar_bits_burst (lsu_axi_arburst),
.io_lsu_brg_ar_bits_lock (lsu_axi_arlock),
.io_lsu_brg_ar_bits_cache (lsu_axi_arcache),
.io_lsu_brg_ar_bits_prot (lsu_axi_arprot),
.io_lsu_brg_ar_bits_qos (lsu_axi_arqos),
.io_lsu_brg_r_valid (lsu_axi_rvalid),
.io_lsu_brg_r_ready (lsu_axi_rready),
.io_lsu_brg_r_bits_id (lsu_axi_rid),
.io_lsu_brg_r_bits_data (lsu_axi_rdata),
.io_lsu_brg_r_bits_resp (lsu_axi_rresp),
.io_lsu_brg_r_bits_last (lsu_axi_rlast),
//-------------------------- IFU AXI signals--------------------------
// AXI Write Channels
.io_ifu_brg_aw_valid (ifu_axi_awvalid),
.io_ifu_brg_aw_ready (ifu_axi_awready),
.io_ifu_brg_aw_bits_id (ifu_axi_awid),
.io_ifu_brg_aw_bits_addr (ifu_axi_awaddr),
.io_ifu_brg_aw_bits_region (ifu_axi_awregion),
.io_ifu_brg_aw_bits_len (ifu_axi_awlen),
.io_ifu_brg_aw_bits_size (ifu_axi_awsize),
.io_ifu_brg_aw_bits_burst (ifu_axi_awburst),
.io_ifu_brg_aw_bits_lock (ifu_axi_awlock),
.io_ifu_brg_aw_bits_cache (ifu_axi_awcache),
.io_ifu_brg_aw_bits_prot (ifu_axi_awprot),
.io_ifu_brg_aw_bits_qos (ifu_axi_awqos),
.io_ifu_brg_w_valid (ifu_axi_wvalid),
.io_ifu_brg_w_ready (ifu_axi_wready),
.io_ifu_brg_w_bits_data (ifu_axi_wdata),
.io_ifu_brg_w_bits_strb (ifu_axi_wstrb),
.io_ifu_brg_w_bits_last (ifu_axi_wlast),
.io_ifu_brg_b_valid (ifu_axi_bvalid),
.io_ifu_brg_b_ready (ifu_axi_bready),
.io_ifu_brg_b_bits_resp (ifu_axi_bresp),
.io_ifu_brg_b_bits_id (ifu_axi_bid),
.io_ifu_brg_ar_valid (ifu_axi_arvalid),
.io_ifu_brg_ar_ready (ifu_axi_arready),
.io_ifu_brg_ar_bits_id (ifu_axi_arid),
.io_ifu_brg_ar_bits_addr (ifu_axi_araddr),
.io_ifu_brg_ar_bits_region (ifu_axi_arregion),
.io_ifu_brg_ar_bits_len (ifu_axi_arlen),
.io_ifu_brg_ar_bits_size (ifu_axi_arsize),
.io_ifu_brg_ar_bits_burst (ifu_axi_arburst),
.io_ifu_brg_ar_bits_lock (ifu_axi_arlock),
.io_ifu_brg_ar_bits_cache (ifu_axi_arcache),
.io_ifu_brg_ar_bits_prot (ifu_axi_arprot),
.io_ifu_brg_ar_bits_qos (ifu_axi_arqos),
.io_ifu_brg_r_valid (ifu_axi_rvalid),
.io_ifu_brg_r_ready (ifu_axi_rready),
.io_ifu_brg_r_bits_id (ifu_axi_rid),
.io_ifu_brg_r_bits_data (ifu_axi_rdata),
.io_ifu_brg_r_bits_resp (ifu_axi_rresp),
.io_ifu_brg_r_bits_last (ifu_axi_rlast),
//-------------------------- SB AXI signals--------------------------
// AXI Write Channels
.io_sb_brg_aw_valid (sb_axi_awvalid),
.io_sb_brg_aw_ready (sb_axi_awready),
.io_sb_brg_aw_bits_id (sb_axi_awid),
.io_sb_brg_aw_bits_addr (sb_axi_awaddr),
.io_sb_brg_aw_bits_region (sb_axi_awregion),
.io_sb_brg_aw_bits_len (sb_axi_awlen),
.io_sb_brg_aw_bits_size (sb_axi_awsize),
.io_sb_brg_aw_bits_burst (sb_axi_awburst),
.io_sb_brg_aw_bits_lock (sb_axi_awlock),
.io_sb_brg_aw_bits_cache (sb_axi_awcache),
.io_sb_brg_aw_bits_prot (sb_axi_awprot),
.io_sb_brg_aw_bits_qos (sb_axi_awqos),
.io_sb_brg_w_valid (sb_axi_wvalid),
.io_sb_brg_w_ready (sb_axi_wready),
.io_sb_brg_w_bits_data (sb_axi_wdata),
.io_sb_brg_w_bits_strb (sb_axi_wstrb),
.io_sb_brg_w_bits_last (sb_axi_wlast),
.io_sb_brg_b_valid (sb_axi_bvalid),
.io_sb_brg_b_ready (sb_axi_bready),
.io_sb_brg_b_bits_resp (sb_axi_bresp),
.io_sb_brg_b_bits_id (sb_axi_bid),
.io_sb_brg_ar_valid (sb_axi_arvalid),
.io_sb_brg_ar_ready (sb_axi_arready),
.io_sb_brg_ar_bits_id (sb_axi_arid),
.io_sb_brg_ar_bits_addr (sb_axi_araddr),
.io_sb_brg_ar_bits_region (sb_axi_arregion),
.io_sb_brg_ar_bits_len (sb_axi_arlen),
.io_sb_brg_ar_bits_size (sb_axi_arsize),
.io_sb_brg_ar_bits_burst (sb_axi_arburst),
.io_sb_brg_ar_bits_lock (sb_axi_arlock),
.io_sb_brg_ar_bits_cache (sb_axi_arcache),
.io_sb_brg_ar_bits_prot (sb_axi_arprot),
.io_sb_brg_ar_bits_qos (sb_axi_arqos),
.io_sb_brg_r_valid (sb_axi_rvalid),
.io_sb_brg_r_ready (sb_axi_rready),
.io_sb_brg_r_bits_id (sb_axi_rid),
.io_sb_brg_r_bits_data (sb_axi_rdata),
.io_sb_brg_r_bits_resp (sb_axi_rresp),
.io_sb_brg_r_bits_last (sb_axi_rlast),
//-------------------------- DMA AXI signals--------------------------
// AXI Write Channels
.io_dma_brg_aw_valid (dma_axi_awvalid),
.io_dma_brg_aw_ready (dma_axi_awready),
.io_dma_brg_aw_bits_id ('0),
.io_dma_brg_aw_bits_addr (lsu_axi_awaddr),
.io_dma_brg_aw_bits_size (lsu_axi_awsize),
.io_dma_brg_aw_bits_prot (lsu_axi_awprot),
.io_dma_brg_aw_bits_len (lsu_axi_awlen),
.io_dma_brg_aw_bits_burst (lsu_axi_awburst),
.io_dma_brg_aw_bits_region (lsu_axi_awregion),
.io_dma_brg_aw_bits_lock (lsu_axi_awlock),
.io_dma_brg_aw_bits_cache (lsu_axi_awcache),
.io_dma_brg_aw_bits_qos (lsu_axi_awqos),
.io_dma_brg_w_valid (dma_axi_wvalid),
.io_dma_brg_w_ready (dma_axi_wready),
.io_dma_brg_w_bits_data (lsu_axi_wdata),
.io_dma_brg_w_bits_strb (lsu_axi_wstrb),
.io_dma_brg_w_bits_last (lsu_axi_wlast),
.io_dma_brg_b_valid (dma_axi_bvalid),
.io_dma_brg_b_ready (dma_axi_bready),
.io_dma_brg_b_bits_resp (dma_axi_bresp),
.io_dma_brg_b_bits_id (),
.io_dma_brg_ar_valid (dma_axi_arvalid),
.io_dma_brg_ar_ready (dma_axi_arready),
.io_dma_brg_ar_bits_id ('0),
.io_dma_brg_ar_bits_addr (lsu_axi_araddr),
.io_dma_brg_ar_bits_size (lsu_axi_arsize),
.io_dma_brg_ar_bits_prot (lsu_axi_arprot),
.io_dma_brg_ar_bits_len (lsu_axi_arlen),
.io_dma_brg_ar_bits_burst (lsu_axi_arburst),
.io_dma_brg_ar_bits_region (lsu_axi_arregion),
.io_dma_brg_ar_bits_lock (lsu_axi_arlock),
.io_dma_brg_ar_bits_cache (lsu_axi_arcache),
.io_dma_brg_ar_bits_qos (lsu_axi_arqos),
.io_dma_brg_r_valid (dma_axi_rvalid),
.io_dma_brg_r_ready (dma_axi_rready),
.io_dma_brg_r_bits_id (),
.io_dma_brg_r_bits_data (dma_axi_rdata),
.io_dma_brg_r_bits_resp (dma_axi_rresp),
.io_dma_brg_r_bits_last (dma_axi_rlast),
`endif
.io_timer_int ( 1'b0 ),
.io_extintsrc_req ( '0 ),
.io_lsu_bus_clk_en ( 1'b1 ),// Clock ratio b/w cpu core clk & AHB master interface
.io_ifu_bus_clk_en ( 1'b1 ),// Clock ratio b/w cpu core clk & AHB master interface
.io_dbg_bus_clk_en ( 1'b1 ),// Clock ratio b/w cpu core clk & AHB Debug master interface
.io_dma_bus_clk_en ( 1'b1 ),// Clock ratio b/w cpu core clk & AHB slave interface
.io_rv_trace_pkt_rv_i_insn_ip (trace_rv_i_insn_ip),
.io_rv_trace_pkt_rv_i_address_ip (trace_rv_i_address_ip),
.io_rv_trace_pkt_rv_i_valid_ip (trace_rv_i_valid_ip),
.io_rv_trace_pkt_rv_i_exception_ip(trace_rv_i_exception_ip),
.io_rv_trace_pkt_rv_i_ecause_ip (trace_rv_i_ecause_ip),
.io_rv_trace_pkt_rv_i_interrupt_ip(trace_rv_i_interrupt_ip),
.io_rv_trace_pkt_rv_i_tval_ip (trace_rv_i_tval_ip),
.io_jtag_tck ( 1'b0 ),
.io_jtag_tms ( 1'b0 ),
.io_jtag_tdi ( 1'b0 ),
.io_jtag_trst_n ( 1'b0 ),
.io_jtag_tdo ( jtag_tdo ),
.io_mpc_debug_halt_ack ( mpc_debug_halt_ack),
.io_mpc_debug_halt_req ( 1'b0),
.io_mpc_debug_run_ack ( mpc_debug_run_ack),
.io_mpc_debug_run_req ( 1'b1),
.io_mpc_reset_run_req ( 1'b1), // Start running after reset
.io_debug_brkpt_status ( debug_brkpt_status),
.io_i_cpu_halt_req ( 1'b0 ), // Async halt req to CPU
.io_o_cpu_halt_ack ( o_cpu_halt_ack ), // core response to halt
.io_o_cpu_halt_status ( o_cpu_halt_status ), // 1'b1 indicates core is halted
.io_i_cpu_run_req ( 1'b0 ), // Async restart req to CPU
.io_o_debug_mode_status ( o_debug_mode_status),
.io_o_cpu_run_ack ( o_cpu_run_ack ), // Core response to run req
.io_dec_tlu_perfcnt0 (),
.io_dec_tlu_perfcnt1 (),
.io_dec_tlu_perfcnt2 (),
.io_dec_tlu_perfcnt3 (),
.io_soft_int ('0),
.io_core_id ('0),
.io_scan_mode ( 1'b0 ), // To enable scan mode
.io_mbist_mode ( 1'b0 ) // to enable mbist
);
//=========================================================================-
// AHB I$ instance
//=========================================================================-
`ifdef RV_BUILD_AHB_LITE
ahb_sif imem (
// Inputs
.HWDATA(64'h0),
.HCLK(core_clk),
.HSEL(1'b1),
.HPROT(ic_hprot),
.HWRITE(ic_hwrite),
.HTRANS(ic_htrans),
.HSIZE(ic_hsize),
.HREADY(ic_hready),
.HRESETn(rst_l),
.HADDR(ic_haddr),
.HBURST(ic_hburst),
// Outputs
.HREADYOUT(ic_hready),
.HRESP(ic_hresp),
.HRDATA(ic_hrdata[63:0])
);
ahb_sif lmem (
// Inputs
.HWDATA(lsu_hwdata),
.HCLK(core_clk),
.HSEL(1'b1),
.HPROT(lsu_hprot),
.HWRITE(lsu_hwrite),
.HTRANS(lsu_htrans),
.HSIZE(lsu_hsize),
.HREADY(lsu_hready),
.HRESETn(rst_l),
.HADDR(lsu_haddr),
.HBURST(lsu_hburst),
// Outputs
.HREADYOUT(lsu_hready),
.HRESP(lsu_hresp),
.HRDATA(lsu_hrdata[63:0])
);
`endif
`ifdef RV_BUILD_AXI4
axi_slv #(.TAGW(`RV_IFU_BUS_TAG)) imem(
.aclk(core_clk),
.rst_l(rst_l),
.arvalid(ifu_axi_arvalid),
.arready(ifu_axi_arready),
.araddr(ifu_axi_araddr),
.arid(ifu_axi_arid),
.arlen(ifu_axi_arlen),
.arburst(ifu_axi_arburst),
.arsize(ifu_axi_arsize),
.rvalid(ifu_axi_rvalid),
.rready(ifu_axi_rready),
.rdata(ifu_axi_rdata),
.rresp(ifu_axi_rresp),
.rid(ifu_axi_rid),
.rlast(ifu_axi_rlast),
.awvalid(1'b0),
.awready(),
.awaddr('0),
.awid('0),
.awlen('0),
.awburst('0),
.awsize('0),
.wdata('0),
.wstrb('0),
.wvalid(1'b0),
.wready(),
.bvalid(),
.bready(1'b0),
.bresp(),
.bid()
);
defparam lmem.TAGW =`RV_LSU_BUS_TAG;
//axi_slv #(.TAGW(`RV_LSU_BUS_TAG)) lmem(
axi_slv lmem(
.aclk(core_clk),
.rst_l(rst_l),
.arvalid(lmem_axi_arvalid),
.arready(lmem_axi_arready),
.araddr(lsu_axi_araddr),
.arid(lsu_axi_arid),
.arlen(lsu_axi_arlen),
.arburst(lsu_axi_arburst),
.arsize(lsu_axi_arsize),
.rvalid(lmem_axi_rvalid),
.rready(lmem_axi_rready),
.rdata(lmem_axi_rdata),
.rresp(lmem_axi_rresp),
.rid(lmem_axi_rid),
.rlast(lmem_axi_rlast),
.awvalid(lmem_axi_awvalid),
.awready(lmem_axi_awready),
.awaddr(lsu_axi_awaddr),
.awid(lsu_axi_awid),
.awlen(lsu_axi_awlen),
.awburst(lsu_axi_awburst),
.awsize(lsu_axi_awsize),
.wdata(lsu_axi_wdata),
.wstrb(lsu_axi_wstrb),
.wvalid(lmem_axi_wvalid),
.wready(lmem_axi_wready),
.bvalid(lmem_axi_bvalid),
.bready(lmem_axi_bready),
.bresp(lmem_axi_bresp),
.bid(lmem_axi_bid)
);
axi_lsu_dma_bridge # (`RV_LSU_BUS_TAG,`RV_LSU_BUS_TAG ) bridge(
.clk(core_clk),
.reset_l(rst_l),
.m_arvalid(lsu_axi_arvalid),
.m_arid(lsu_axi_arid),
.m_araddr(lsu_axi_araddr),
.m_arready(lsu_axi_arready),
.m_rvalid(lsu_axi_rvalid),
.m_rready(lsu_axi_rready),
.m_rdata(lsu_axi_rdata),
.m_rid(lsu_axi_rid),
.m_rresp(lsu_axi_rresp),
.m_rlast(lsu_axi_rlast),
.m_awvalid(lsu_axi_awvalid),
.m_awid(lsu_axi_awid),
.m_awaddr(lsu_axi_awaddr),
.m_awready(lsu_axi_awready),
.m_wvalid(lsu_axi_wvalid),
.m_wready(lsu_axi_wready),
.m_bresp(lsu_axi_bresp),
.m_bvalid(lsu_axi_bvalid),
.m_bid(lsu_axi_bid),
.m_bready(lsu_axi_bready),
.s0_arvalid(lmem_axi_arvalid),
.s0_arready(lmem_axi_arready),
.s0_rvalid(lmem_axi_rvalid),
.s0_rid(lmem_axi_rid),
.s0_rresp(lmem_axi_rresp),
.s0_rdata(lmem_axi_rdata),
.s0_rlast(lmem_axi_rlast),
.s0_rready(lmem_axi_rready),
.s0_awvalid(lmem_axi_awvalid),
.s0_awready(lmem_axi_awready),
.s0_wvalid(lmem_axi_wvalid),
.s0_wready(lmem_axi_wready),
.s0_bresp(lmem_axi_bresp),
.s0_bvalid(lmem_axi_bvalid),
.s0_bid(lmem_axi_bid),
.s0_bready(lmem_axi_bready),
.s1_arvalid(dma_axi_arvalid),
.s1_arready(dma_axi_arready),
.s1_rvalid(dma_axi_rvalid),
.s1_rresp(dma_axi_rresp),
.s1_rdata(dma_axi_rdata),
.s1_rlast(dma_axi_rlast),
.s1_rready(dma_axi_rready),
.s1_awvalid(dma_axi_awvalid),
.s1_awready(dma_axi_awready),
.s1_wvalid(dma_axi_wvalid),
.s1_wready(dma_axi_wready),
.s1_bresp(dma_axi_bresp),
.s1_bvalid(dma_axi_bvalid),
.s1_bready(dma_axi_bready)
);
`endif
task preload_iccm;
bit[31:0] data;
bit[31:0] addr, eaddr, saddr, faddr;
int adr;
/*
addresses:
0xffec - ICCM start address to load
0xfff0 - ICCM end address to load
0xfff4 - imem start address
*/
addr = 'hffec;
saddr = {lmem.mem[addr+3],lmem.mem[addr+2],lmem.mem[addr+1],lmem.mem[addr]};
if ( (saddr < `RV_ICCM_SADR) || (saddr > `RV_ICCM_EADR)) return;
`ifndef RV_ICCM_ENABLE
$display("********************************************************");
$display("ICCM preload: there is no ICCM in SweRV, terminating !!!");
$display("********************************************************");
$finish;
`endif
init_iccm;
addr = 'hfff0;
eaddr = {lmem.mem[addr+3],lmem.mem[addr+2],lmem.mem[addr+1],lmem.mem[addr]};
addr = 'hfff4;
faddr = {lmem.mem[addr+3],lmem.mem[addr+2],lmem.mem[addr+1],lmem.mem[addr]};
$display("ICCM pre-load from %h to %h", saddr, eaddr);
for(addr= saddr; addr <= eaddr; addr+=4) begin
adr = faddr & 'hffff;
data = {imem.mem[adr+3],imem.mem[adr+2],imem.mem[adr+1],imem.mem[adr]};
slam_iccm_ram(addr, data == 0 ? 0 : {riscv_ecc32(data),data});
faddr+=4;
end
endtask
task preload_dccm;
bit[31:0] data;
bit[31:0] addr, eaddr;
int adr;
/*
addresses:
0xfff8 - DCCM start address to load
0xfffc - ICCM end address to load
0x0 - lmem start addres to load from
*/
addr = 'hfff8;
eaddr = {lmem.mem[addr+3],lmem.mem[addr+2],lmem.mem[addr+1],lmem.mem[addr]};
if (eaddr != `RV_DCCM_SADR) return;
`ifndef RV_DCCM_ENABLE
$display("********************************************************");
$display("DCCM preload: there is no DCCM in SweRV, terminating !!!");
$display("********************************************************");
$finish;
`endif
addr = 'hfffc;
eaddr = {lmem.mem[addr+3],lmem.mem[addr+2],lmem.mem[addr+1],lmem.mem[addr]};
$display("DCCM pre-load from %h to %h", `RV_DCCM_SADR, `RV_DCCM_EADR);
for(addr=`RV_DCCM_SADR; addr <= eaddr; addr+=4) begin
adr = addr & 'hffff;
data = {lmem.mem[adr+3],lmem.mem[adr+2],lmem.mem[adr+1],lmem.mem[adr]};
slam_dccm_ram(addr, data == 0 ? 0 : {riscv_ecc32(data),data});
end
endtask
`define ICCM_PATH `RV_TOP.mem.iccm.iccm
`ifdef VERILATOR
`define DRAM(bk) rvtop.mem.Gen_dccm_enable.dccm.mem_bank[bk].ram.ram_core
`define IRAM(bk) `ICCM_PATH.mem_bank[bk].iccm_bank.ram_core
`else
`define DRAM(bk) rvtop.mem.Gen_dccm_enable.dccm.mem_bank[bk].dccm.dccm_bank.ram_core
`define IRAM(bk) `ICCM_PATH.mem_bank[bk].iccm.iccm_bank.ram_core
`endif
task slam_dccm_ram(input [31:0] addr, input[38:0] data);
int bank, indx;
bank = get_dccm_bank(addr, indx);
`ifdef RV_DCCM_ENABLE
case(bank)
0: `DRAM(0)[indx] = data;
1: `DRAM(1)[indx] = data;
`ifdef RV_DCCM_NUM_BANKS_4
2: `DRAM(2)[indx] = data;
3: `DRAM(3)[indx] = data;
`endif
`ifdef RV_DCCM_NUM_BANKS_8
2: `DRAM(2)[indx] = data;
3: `DRAM(3)[indx] = data;
4: `DRAM(4)[indx] = data;
5: `DRAM(5)[indx] = data;
6: `DRAM(6)[indx] = data;
7: `DRAM(7)[indx] = data;
`endif
endcase
`endif
//$display("Writing bank %0d indx=%0d A=%h, D=%h",bank, indx, addr, data);
endtask
task slam_iccm_ram( input[31:0] addr, input[38:0] data);
int bank, idx;
bank = get_iccm_bank(addr, idx);
`ifdef RV_ICCM_ENABLE
case(bank) // {
0: `IRAM(0)[idx] = data;
1: `IRAM(1)[idx] = data;
`ifdef RV_ICCM_NUM_BANKS_4
2: `IRAM(2)[idx] = data;
3: `IRAM(3)[idx] = data;
`endif
`ifdef RV_ICCM_NUM_BANKS_8
2: `IRAM(2)[idx] = data;
3: `IRAM(3)[idx] = data;
4: `IRAM(4)[idx] = data;
5: `IRAM(5)[idx] = data;
6: `IRAM(6)[idx] = data;
7: `IRAM(7)[idx] = data;
`endif
`ifdef RV_ICCM_NUM_BANKS_16
2: `IRAM(2)[idx] = data;
3: `IRAM(3)[idx] = data;
4: `IRAM(4)[idx] = data;
5: `IRAM(5)[idx] = data;
6: `IRAM(6)[idx] = data;
7: `IRAM(7)[idx] = data;
8: `IRAM(8)[idx] = data;
9: `IRAM(9)[idx] = data;
10: `IRAM(10)[idx] = data;
11: `IRAM(11)[idx] = data;
12: `IRAM(12)[idx] = data;
13: `IRAM(13)[idx] = data;
14: `IRAM(14)[idx] = data;
15: `IRAM(15)[idx] = data;
`endif
endcase // }
`endif
endtask
task init_iccm;
`ifdef RV_ICCM_ENABLE
`IRAM(0) = '{default:39'h0};
`IRAM(1) = '{default:39'h0};
`ifdef RV_ICCM_NUM_BANKS_4
`IRAM(2) = '{default:39'h0};
`IRAM(3) = '{default:39'h0};
`endif
`ifdef RV_ICCM_NUM_BANKS_8
`IRAM(4) = '{default:39'h0};
`IRAM(5) = '{default:39'h0};
`IRAM(6) = '{default:39'h0};
`IRAM(7) = '{default:39'h0};
`endif
`ifdef RV_ICCM_NUM_BANKS_16
`IRAM(4) = '{default:39'h0};
`IRAM(5) = '{default:39'h0};
`IRAM(6) = '{default:39'h0};
`IRAM(7) = '{default:39'h0};
`IRAM(8) = '{default:39'h0};
`IRAM(9) = '{default:39'h0};
`IRAM(10) = '{default:39'h0};
`IRAM(11) = '{default:39'h0};
`IRAM(12) = '{default:39'h0};
`IRAM(13) = '{default:39'h0};
`IRAM(14) = '{default:39'h0};
`IRAM(15) = '{default:39'h0};
`endif
`endif
endtask
function[6:0] riscv_ecc32(input[31:0] data);
reg[6:0] synd;
synd[0] = ^(data & 32'h56aa_ad5b);
synd[1] = ^(data & 32'h9b33_366d);
synd[2] = ^(data & 32'he3c3_c78e);
synd[3] = ^(data & 32'h03fc_07f0);
synd[4] = ^(data & 32'h03ff_f800);
synd[5] = ^(data & 32'hfc00_0000);
synd[6] = ^{data, synd[5:0]};
return synd;
endfunction
function int get_dccm_bank(input[31:0] addr, output int bank_idx);
`ifdef RV_DCCM_NUM_BANKS_2
bank_idx = int'(addr[`RV_DCCM_BITS-1:3]);
return int'( addr[2]);
`elsif RV_DCCM_NUM_BANKS_4
bank_idx = int'(addr[`RV_DCCM_BITS-1:4]);
return int'(addr[3:2]);
`elsif RV_DCCM_NUM_BANKS_8
bank_idx = int'(addr[`RV_DCCM_BITS-1:5]);
return int'( addr[4:2]);
`endif
endfunction
function int get_iccm_bank(input[31:0] addr, output int bank_idx);
`ifdef RV_DCCM_NUM_BANKS_2
bank_idx = int'(addr[`RV_DCCM_BITS-1:3]);
return int'( addr[2]);
`elsif RV_ICCM_NUM_BANKS_4
bank_idx = int'(addr[`RV_ICCM_BITS-1:4]);
return int'(addr[3:2]);
`elsif RV_ICCM_NUM_BANKS_8
bank_idx = int'(addr[`RV_ICCM_BITS-1:5]);
return int'( addr[4:2]);
`elsif RV_ICCM_NUM_BANKS_16
bank_idx = int'(addr[`RV_ICCM_BITS-1:6]);
return int'( addr[5:2]);
`endif
endfunction
endmodule