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abstractaccelerator/testbench/tb_top.sv

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SweRV 1.1
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// SPDX-License-Identifier: Apache-2.0
Version 1.5
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// Copyright 2020 Western Digital Corporation or its affiliates.
//
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// 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
Version 1.5
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//
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// http://www.apache.org/licenses/LICENSE-2.0
Version 1.5
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//
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// 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.
//
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`ifdef VERILATOR
module tb_top ( input bit core_clk);
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`else
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module tb_top;
bit core_clk;
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`endif
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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 [63:0] trace_rv_i_insn_ip;
logic [63:0] trace_rv_i_address_ip;
logic [2:0] trace_rv_i_valid_ip;
logic [2:0] trace_rv_i_exception_ip;
logic [4:0] trace_rv_i_ecause_ip;
logic [2:0] trace_rv_i_interrupt_ip;
logic [31:0] trace_rv_i_tval_ip;
logic o_debug_mode_status;
logic [1:0] dec_tlu_perfcnt0;
logic [1:0] dec_tlu_perfcnt1;
logic [1:0] dec_tlu_perfcnt2;
logic [1:0] dec_tlu_perfcnt3;
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;
SweRV 1.1
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Make the FPGA optimization code work with the latest version of Verilator. Move JTAG TAP to swerv_wrapper module.
2019-09-05 04:29:39 +08:00
`endif
Version 1.5
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wire[63:0] WriteData;
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assign mailbox_write = lmem.mailbox_write;
assign WriteData = lmem.WriteData;
assign mailbox_data_val = WriteData[7:0] > 8'h5 && WriteData[7:0] < 8'h7f;
Added basic commit register update trace in exec.log
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Version 1.5
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parameter MAX_CYCLES = 10_000_000;
Added basic commit register update trace in exec.log
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Version 1.5
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integer fd, tp, el;
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always @(negedge core_clk) begin
cycleCnt <= cycleCnt+1;
// Test timeout monitor
if(cycleCnt == MAX_CYCLES) begin
$display ("Hit max cycle count (%0d) .. stopping",cycleCnt);
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$finish;
end
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// cansol 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("\nFinished : minstret = %0d, mcycle = %0d", rvtop.swerv.dec.tlu.minstretl[31:0],rvtop.swerv.dec.tlu.mcyclel[31:0]);
$display("See \"exec.log\" for execution trace with register updates..\n");
$display("TEST_PASSED");
$finish;
end
else if(mailbox_write && WriteData[7:0] == 8'h1) begin
$display("TEST_FAILED");
$finish;
end
end
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// trace monitor
always @(posedge core_clk) begin
wb_valid[1:0] <= '{rvtop.swerv.dec.dec_i1_wen_wb, rvtop.swerv.dec.dec_i0_wen_wb};
wb_dest[1:0] <= '{rvtop.swerv.dec.dec_i1_waddr_wb, rvtop.swerv.dec.dec_i0_waddr_wb};
wb_data[1:0] <= '{rvtop.swerv.dec.dec_i1_wdata_wb, rvtop.swerv.dec.dec_i0_wdata_wb};
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, trace_rv_i_address_ip[63:32], trace_rv_i_address_ip[31:0],
trace_rv_i_insn_ip[63:32], trace_rv_i_insn_ip[31:0],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<2; i++)
if (trace_rv_i_valid_ip[i]==1) begin
commit_count++;
$fwrite (el, "%10d : %6s 0 %h %h %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],
Version 1.6
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(wb_dest[i] !=0 && wb_valid[i]) ? $sformatf("r%0d=%h", wb_dest[i], wb_data[i]) : "");
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end
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end
Added basic commit register update trace in exec.log
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end
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Version 1.5
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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");
$fwrite (el, "//Cycle : #inst 0 pc opcode reg regnum value\n");
fd = $fopen("console.log","w");
commit_count = 0;
preload_dccm();
preload_iccm();
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`ifndef VERILATOR
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if($test$plusargs("dumpon")) $dumpvars;
forever core_clk = #5 ~core_clk;
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`endif
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end
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assign rst_l = cycleCnt > 5;
assign porst_l = cycleCnt >2;
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//=========================================================================-
// RTL instance
//=========================================================================-
Version 1.5
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swerv_wrapper rvtop (
.rst_l ( rst_l ),
.dbg_rst_l ( porst_l ),
.clk ( core_clk ),
.rst_vec ( reset_vector[31:1]),
.nmi_int ( nmi_int ),
.nmi_vec ( nmi_vector[31:1]),
.jtag_id ( jtag_id[31:1]),
`ifdef RV_BUILD_AHB_LITE
.haddr ( ic_haddr ),
.hburst ( ic_hburst ),
.hmastlock ( ic_hmastlock ),
.hprot ( ic_hprot ),
.hsize ( ic_hsize ),
.htrans ( ic_htrans ),
.hwrite ( ic_hwrite ),
.hrdata ( ic_hrdata[63:0]),
.hready ( ic_hready ),
.hresp ( ic_hresp ),
//---------------------------------------------------------------
// Debug AHB Master
//---------------------------------------------------------------
.sb_haddr ( sb_haddr ),
.sb_hburst ( sb_hburst ),
.sb_hmastlock ( sb_hmastlock ),
.sb_hprot ( sb_hprot ),
.sb_hsize ( sb_hsize ),
.sb_htrans ( sb_htrans ),
.sb_hwrite ( sb_hwrite ),
.sb_hwdata ( sb_hwdata ),
.sb_hrdata ( sb_hrdata ),
.sb_hready ( sb_hready ),
.sb_hresp ( sb_hresp ),
//---------------------------------------------------------------
// LSU AHB Master
//---------------------------------------------------------------
.lsu_haddr ( lsu_haddr ),
.lsu_hburst ( lsu_hburst ),
.lsu_hmastlock ( lsu_hmastlock ),
.lsu_hprot ( lsu_hprot ),
.lsu_hsize ( lsu_hsize ),
.lsu_htrans ( lsu_htrans ),
.lsu_hwrite ( lsu_hwrite ),
.lsu_hwdata ( lsu_hwdata ),
.lsu_hrdata ( lsu_hrdata[63:0]),
.lsu_hready ( lsu_hready ),
.lsu_hresp ( lsu_hresp ),
//---------------------------------------------------------------
// DMA Slave
//---------------------------------------------------------------
.dma_haddr ( '0 ),
.dma_hburst ( '0 ),
.dma_hmastlock ( '0 ),
.dma_hprot ( '0 ),
.dma_hsize ( '0 ),
.dma_htrans ( '0 ),
.dma_hwrite ( '0 ),
.dma_hwdata ( '0 ),
.dma_hrdata ( dma_hrdata ),
.dma_hresp ( dma_hresp ),
.dma_hsel ( 1'b1 ),
.dma_hreadyin ( dma_hready_out ),
.dma_hreadyout ( dma_hready_out ),
`endif
`ifdef RV_BUILD_AXI4
//-------------------------- LSU AXI signals--------------------------
// AXI Write Channels
.lsu_axi_awvalid (lsu_axi_awvalid),
.lsu_axi_awready (lsu_axi_awready),
.lsu_axi_awid (lsu_axi_awid),
.lsu_axi_awaddr (lsu_axi_awaddr),
.lsu_axi_awregion (lsu_axi_awregion),
.lsu_axi_awlen (lsu_axi_awlen),
.lsu_axi_awsize (lsu_axi_awsize),
.lsu_axi_awburst (lsu_axi_awburst),
.lsu_axi_awlock (lsu_axi_awlock),
.lsu_axi_awcache (lsu_axi_awcache),
.lsu_axi_awprot (lsu_axi_awprot),
.lsu_axi_awqos (lsu_axi_awqos),
.lsu_axi_wvalid (lsu_axi_wvalid),
.lsu_axi_wready (lsu_axi_wready),
.lsu_axi_wdata (lsu_axi_wdata),
.lsu_axi_wstrb (lsu_axi_wstrb),
.lsu_axi_wlast (lsu_axi_wlast),
.lsu_axi_bvalid (lsu_axi_bvalid),
.lsu_axi_bready (lsu_axi_bready),
.lsu_axi_bresp (lsu_axi_bresp),
.lsu_axi_bid (lsu_axi_bid),
.lsu_axi_arvalid (lsu_axi_arvalid),
.lsu_axi_arready (lsu_axi_arready),
.lsu_axi_arid (lsu_axi_arid),
.lsu_axi_araddr (lsu_axi_araddr),
.lsu_axi_arregion (lsu_axi_arregion),
.lsu_axi_arlen (lsu_axi_arlen),
.lsu_axi_arsize (lsu_axi_arsize),
.lsu_axi_arburst (lsu_axi_arburst),
.lsu_axi_arlock (lsu_axi_arlock),
.lsu_axi_arcache (lsu_axi_arcache),
.lsu_axi_arprot (lsu_axi_arprot),
.lsu_axi_arqos (lsu_axi_arqos),
.lsu_axi_rvalid (lsu_axi_rvalid),
.lsu_axi_rready (lsu_axi_rready),
.lsu_axi_rid (lsu_axi_rid),
.lsu_axi_rdata (lsu_axi_rdata),
.lsu_axi_rresp (lsu_axi_rresp),
.lsu_axi_rlast (lsu_axi_rlast),
//-------------------------- IFU AXI signals--------------------------
// AXI Write Channels
.ifu_axi_awvalid (ifu_axi_awvalid),
.ifu_axi_awready (ifu_axi_awready),
.ifu_axi_awid (ifu_axi_awid),
.ifu_axi_awaddr (ifu_axi_awaddr),
.ifu_axi_awregion (ifu_axi_awregion),
.ifu_axi_awlen (ifu_axi_awlen),
.ifu_axi_awsize (ifu_axi_awsize),
.ifu_axi_awburst (ifu_axi_awburst),
.ifu_axi_awlock (ifu_axi_awlock),
.ifu_axi_awcache (ifu_axi_awcache),
.ifu_axi_awprot (ifu_axi_awprot),
.ifu_axi_awqos (ifu_axi_awqos),
.ifu_axi_wvalid (ifu_axi_wvalid),
.ifu_axi_wready (ifu_axi_wready),
.ifu_axi_wdata (ifu_axi_wdata),
.ifu_axi_wstrb (ifu_axi_wstrb),
.ifu_axi_wlast (ifu_axi_wlast),
.ifu_axi_bvalid (ifu_axi_bvalid),
.ifu_axi_bready (ifu_axi_bready),
.ifu_axi_bresp (ifu_axi_bresp),
.ifu_axi_bid (ifu_axi_bid),
.ifu_axi_arvalid (ifu_axi_arvalid),
.ifu_axi_arready (ifu_axi_arready),
.ifu_axi_arid (ifu_axi_arid),
.ifu_axi_araddr (ifu_axi_araddr),
.ifu_axi_arregion (ifu_axi_arregion),
.ifu_axi_arlen (ifu_axi_arlen),
.ifu_axi_arsize (ifu_axi_arsize),
.ifu_axi_arburst (ifu_axi_arburst),
.ifu_axi_arlock (ifu_axi_arlock),
.ifu_axi_arcache (ifu_axi_arcache),
.ifu_axi_arprot (ifu_axi_arprot),
.ifu_axi_arqos (ifu_axi_arqos),
.ifu_axi_rvalid (ifu_axi_rvalid),
.ifu_axi_rready (ifu_axi_rready),
.ifu_axi_rid (ifu_axi_rid),
.ifu_axi_rdata (ifu_axi_rdata),
.ifu_axi_rresp (ifu_axi_rresp),
.ifu_axi_rlast (ifu_axi_rlast),
//-------------------------- SB AXI signals--------------------------
// AXI Write Channels
.sb_axi_awvalid (sb_axi_awvalid),
.sb_axi_awready (sb_axi_awready),
.sb_axi_awid (sb_axi_awid),
.sb_axi_awaddr (sb_axi_awaddr),
.sb_axi_awregion (sb_axi_awregion),
.sb_axi_awlen (sb_axi_awlen),
.sb_axi_awsize (sb_axi_awsize),
.sb_axi_awburst (sb_axi_awburst),
.sb_axi_awlock (sb_axi_awlock),
.sb_axi_awcache (sb_axi_awcache),
.sb_axi_awprot (sb_axi_awprot),
.sb_axi_awqos (sb_axi_awqos),
.sb_axi_wvalid (sb_axi_wvalid),
.sb_axi_wready (sb_axi_wready),
.sb_axi_wdata (sb_axi_wdata),
.sb_axi_wstrb (sb_axi_wstrb),
.sb_axi_wlast (sb_axi_wlast),
.sb_axi_bvalid (sb_axi_bvalid),
.sb_axi_bready (sb_axi_bready),
.sb_axi_bresp (sb_axi_bresp),
.sb_axi_bid (sb_axi_bid),
.sb_axi_arvalid (sb_axi_arvalid),
.sb_axi_arready (sb_axi_arready),
.sb_axi_arid (sb_axi_arid),
.sb_axi_araddr (sb_axi_araddr),
.sb_axi_arregion (sb_axi_arregion),
.sb_axi_arlen (sb_axi_arlen),
.sb_axi_arsize (sb_axi_arsize),
.sb_axi_arburst (sb_axi_arburst),
.sb_axi_arlock (sb_axi_arlock),
.sb_axi_arcache (sb_axi_arcache),
.sb_axi_arprot (sb_axi_arprot),
.sb_axi_arqos (sb_axi_arqos),
.sb_axi_rvalid (sb_axi_rvalid),
.sb_axi_rready (sb_axi_rready),
.sb_axi_rid (sb_axi_rid),
.sb_axi_rdata (sb_axi_rdata),
.sb_axi_rresp (sb_axi_rresp),
.sb_axi_rlast (sb_axi_rlast),
//-------------------------- DMA AXI signals--------------------------
// AXI Write Channels
.dma_axi_awvalid (1'b0),
.dma_axi_awready (dma_axi_awready),
.dma_axi_awid (dma_axi_awid),
.dma_axi_awaddr (dma_axi_awaddr),
.dma_axi_awsize (dma_axi_awsize),
.dma_axi_awprot (dma_axi_awprot),
.dma_axi_awlen (dma_axi_awlen),
.dma_axi_awburst (dma_axi_awburst),
.dma_axi_wvalid (1'b0),
.dma_axi_wready (dma_axi_wready),
.dma_axi_wdata (dma_axi_wdata),
.dma_axi_wstrb (dma_axi_wstrb),
.dma_axi_wlast (dma_axi_wlast),
.dma_axi_bvalid (dma_axi_bvalid),
.dma_axi_bready (1'b0),
.dma_axi_bresp (dma_axi_bresp),
.dma_axi_bid (dma_axi_bid),
.dma_axi_arvalid (1'b0),
.dma_axi_arready (dma_axi_arready),
.dma_axi_arid (dma_axi_arid),
.dma_axi_araddr (dma_axi_araddr),
.dma_axi_arsize (dma_axi_arsize),
.dma_axi_arprot (dma_axi_arprot),
.dma_axi_arlen (dma_axi_arlen),
.dma_axi_arburst (dma_axi_arburst),
.dma_axi_rvalid (dma_axi_rvalid),
.dma_axi_rready (1'b0),
.dma_axi_rid (dma_axi_rid),
.dma_axi_rdata (dma_axi_rdata),
.dma_axi_rresp (dma_axi_rresp),
.dma_axi_rlast (dma_axi_rlast),
`endif
.timer_int ( 1'b0 ),
.extintsrc_req ( '0 ),
.lsu_bus_clk_en ( 1'b1 ),// Clock ratio b/w cpu core clk & AHB master interface
.ifu_bus_clk_en ( 1'b1 ),// Clock ratio b/w cpu core clk & AHB master interface
.dbg_bus_clk_en ( 1'b1 ),// Clock ratio b/w cpu core clk & AHB Debug master interface
.dma_bus_clk_en ( 1'b1 ),// Clock ratio b/w cpu core clk & AHB slave interface
.trace_rv_i_insn_ip (trace_rv_i_insn_ip),
.trace_rv_i_address_ip (trace_rv_i_address_ip),
.trace_rv_i_valid_ip (trace_rv_i_valid_ip),
.trace_rv_i_exception_ip(trace_rv_i_exception_ip),
.trace_rv_i_ecause_ip (trace_rv_i_ecause_ip),
.trace_rv_i_interrupt_ip(trace_rv_i_interrupt_ip),
.trace_rv_i_tval_ip (trace_rv_i_tval_ip),
.jtag_tck ( 1'b0 ),
.jtag_tms ( 1'b0 ),
.jtag_tdi ( 1'b0 ),
.jtag_trst_n ( 1'b0 ),
.jtag_tdo ( jtag_tdo ),
.mpc_debug_halt_ack ( mpc_debug_halt_ack),
.mpc_debug_halt_req ( 1'b0),
.mpc_debug_run_ack ( mpc_debug_run_ack),
.mpc_debug_run_req ( 1'b1),
.mpc_reset_run_req ( 1'b1), // Start running after reset
.debug_brkpt_status (debug_brkpt_status),
.i_cpu_halt_req ( 1'b0 ), // Async halt req to CPU
.o_cpu_halt_ack ( o_cpu_halt_ack ), // core response to halt
.o_cpu_halt_status ( o_cpu_halt_status ), // 1'b1 indicates core is halted
.i_cpu_run_req ( 1'b0 ), // Async restart req to CPU
.o_debug_mode_status (o_debug_mode_status),
.o_cpu_run_ack ( o_cpu_run_ack ), // Core response to run req
.dec_tlu_perfcnt0 (dec_tlu_perfcnt0),
.dec_tlu_perfcnt1 (dec_tlu_perfcnt1),
.dec_tlu_perfcnt2 (dec_tlu_perfcnt2),
.dec_tlu_perfcnt3 (dec_tlu_perfcnt3),
.scan_mode ( 1'b0 ), // To enable scan mode
.mbist_mode ( 1'b0 ) // to enable mbist
);
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//=========================================================================-
// AHB I$ instance
//=========================================================================-
Version 1.5
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`ifdef RV_BUILD_AHB_LITE
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Version 1.5
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ahb_sif imem (
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// 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),
Version 1.5
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.HRESETn(rst_l),
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.HADDR(ic_haddr),
.HBURST(ic_hburst),
// Outputs
.HREADYOUT(ic_hready),
.HRESP(ic_hresp),
.HRDATA(ic_hrdata[63:0])
Version 1.5
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);
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Version 1.5
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ahb_sif lmem (
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// 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),
Version 1.5
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.HRESETn(rst_l),
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.HADDR(lsu_haddr),
.HBURST(lsu_hburst),
// Outputs
.HREADYOUT(lsu_hready),
.HRESP(lsu_hresp),
.HRDATA(lsu_hrdata[63:0])
Version 1.5
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);
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Version 1.5
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`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(lsu_axi_arvalid),
.arready(lsu_axi_arready),
.araddr(lsu_axi_araddr),
.arid(lsu_axi_arid),
.arlen(lsu_axi_arlen),
.arburst(lsu_axi_arburst),
.arsize(lsu_axi_arsize),
.rvalid(lsu_axi_rvalid),
.rready(lsu_axi_rready),
.rdata(lsu_axi_rdata),
.rresp(lsu_axi_rresp),
.rid(lsu_axi_rid),
.rlast(lsu_axi_rlast),
.awvalid(lsu_axi_awvalid),
.awready(lsu_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(lsu_axi_wvalid),
.wready(lsu_axi_wready),
.bvalid(lsu_axi_bvalid),
.bready(lsu_axi_bready),
.bresp(lsu_axi_bresp),
.bid(lsu_axi_bid)
);
`endif
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Version 1.5
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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
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
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Version 1.5
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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, eaddr);
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
SweRV 1.1
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Version 1.5
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endtask
`define DRAM(bank) \
rvtop.mem.Gen_dccm_enable.dccm.mem_bank[bank].dccm_bank.ram_core
`define ICCM_PATH `RV_TOP.mem.iccm
`define IRAM0(bk) `ICCM_PATH.mem_bank[bk].iccm_bank_lo0.ram_core
`define IRAM1(bk) `ICCM_PATH.mem_bank[bk].iccm_bank_lo1.ram_core
`define IRAM2(bk) `ICCM_PATH.mem_bank[bk].iccm_bank_hi0.ram_core
`define IRAM3(bk) `ICCM_PATH.mem_bank[bk].iccm_bank_hi1.ram_core
task slam_iccm_ram(input [31:0] addr, input[38:0] data);
int bank, indx;
`ifdef RV_ICCM_ENABLE
bank = get_iccm_bank(addr, indx);
case(bank)
0: `IRAM0(0)[indx] = data;
1: `IRAM1(0)[indx] = data;
2: `IRAM2(0)[indx] = data;
3: `IRAM3(0)[indx] = data;
`ifdef RV_ICCM_NUM_BANKS_8
4: `IRAM0(1)[indx] = data;
5: `IRAM1(1)[indx] = data;
6: `IRAM2(1)[indx] = data;
7: `IRAM3(1)[indx] = data;
`endif
`ifdef RV_ICCM_NUM_BANKS_16
8: `IRAM0(2)[indx] = data;
9: `IRAM1(2)[indx] = data;
10: `IRAM2(2)[indx] = data;
11: `IRAM3(2)[indx] = data;
12: `IRAM0(3)[indx] = data;
13: `IRAM1(3)[indx] = data;
14: `IRAM2(3)[indx] = data;
15: `IRAM3(3)[indx] = data;
`endif
endcase
`endif
endtask
task slam_dccm_ram(input [31:0] addr, input[38:0] data);
int bank, indx;
`ifdef RV_DCCM_ENABLE
bank = get_dccm_bank(addr, indx);
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
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 int 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 int addr, output int bank_idx);
`ifdef 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]);
`else
bank_idx = int'(addr[`RV_ICCM_BITS-1:6]);
return int'( addr[5:2]);
`endif
endfunction
SweRV 1.1
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endmodule