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cores-swerv-el2/testbench/tb_top.sv

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// 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.
//
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`ifndef VERILATOR
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module tb_top;
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`else
module tb_top ( input bit core_clk );
`endif
`ifndef VERILATOR
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bit core_clk;
`endif
logic rst_l;
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logic porst_l;
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logic nmi_int;
logic [31:0] reset_vector;
logic [31:0] nmi_vector;
logic [31:1] jtag_id;
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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 ;
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logic [31:0] trace_rv_i_insn_ip;
logic [31:0] trace_rv_i_address_ip;
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logic trace_rv_i_valid_ip;
logic trace_rv_i_exception_ip;
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logic [4:0] trace_rv_i_ecause_ip;
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logic trace_rv_i_interrupt_ip;
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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;
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logic [63:0] dma_hrdata ;
logic [63:0] dma_hwdata ;
logic dma_hready ;
logic dma_hresp ;
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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;
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int cycleCnt;
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logic mailbox_data_val;
wire dma_hready_out;
int commit_count;
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logic wb_valid;
logic [4:0] wb_dest;
logic [31:0] wb_data;
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`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;
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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;
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`endif
wire[63:0] WriteData;
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string abi_reg[32]; // ABI register names
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`define DEC rvtop.swerv.dec
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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;
parameter MAX_CYCLES = 2_000_000;
integer fd, tp, el;
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
$display("TEST_PASSED");
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$display("\nFinished : minstret = %0d, mcycle = %0d", `DEC.tlu.minstretl[31:0],`DEC.tlu.mcyclel[31:0]);
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$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");
$finish;
end
end
// trace monitor
always @(posedge core_clk) begin
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wb_valid <= `DEC.dec_i0_wen_r;
wb_dest <= `DEC.dec_i0_waddr_r;
wb_data <= `DEC.dec_i0_wdata_r;
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if (trace_rv_i_valid_ip) begin
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$fwrite(tp,"%b,%h,%h,%0h,%0h,3,%b,%h,%h,%b\n", trace_rv_i_valid_ip, 0, trace_rv_i_address_ip,
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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
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commit_count++;
$fwrite (el, "%10d : %8s 0 %h %h%13s ; %s\n", cycleCnt, $sformatf("#%0d",commit_count),
trace_rv_i_address_ip, trace_rv_i_insn_ip,
(wb_dest !=0 && wb_valid)? $sformatf("%s=%h", abi_reg[wb_dest], wb_data) : " ",
dasm(trace_rv_i_insn_ip, trace_rv_i_address_ip, wb_dest & {5{wb_valid}}, wb_data)
);
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end
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if(`DEC.dec_nonblock_load_wen) begin
$fwrite (el, "%10d : %32s=%h ; nbL\n", cycleCnt, abi_reg[`DEC.dec_nonblock_load_waddr], `DEC.lsu_nonblock_load_data);
tb_top.gpr[0][`DEC.dec_nonblock_load_waddr] = `DEC.lsu_nonblock_load_data;
end
if(`DEC.exu_div_wren) begin
$fwrite (el, "%10d : %32s=%h ; nbD\n", cycleCnt, abi_reg[`DEC.div_waddr_wb], `DEC.exu_div_result);
tb_top.gpr[0][`DEC.div_waddr_wb] = `DEC.exu_div_result;
end
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end
initial begin
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abi_reg[0] = "zero";
abi_reg[1] = "ra";
abi_reg[2] = "sp";
abi_reg[3] = "gp";
abi_reg[4] = "tp";
abi_reg[5] = "t0";
abi_reg[6] = "t1";
abi_reg[7] = "t2";
abi_reg[8] = "s0";
abi_reg[9] = "s1";
abi_reg[10] = "a0";
abi_reg[11] = "a1";
abi_reg[12] = "a2";
abi_reg[13] = "a3";
abi_reg[14] = "a4";
abi_reg[15] = "a5";
abi_reg[16] = "a6";
abi_reg[17] = "a7";
abi_reg[18] = "s2";
abi_reg[19] = "s3";
abi_reg[20] = "s4";
abi_reg[21] = "s5";
abi_reg[22] = "s6";
abi_reg[23] = "s7";
abi_reg[24] = "s8";
abi_reg[25] = "s9";
abi_reg[26] = "s10";
abi_reg[27] = "s11";
abi_reg[28] = "t3";
abi_reg[29] = "t4";
abi_reg[30] = "t5";
abi_reg[31] = "t6";
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// tie offs
jtag_id[31:28] = 4'b1;
jtag_id[27:12] = '0;
jtag_id[11:1] = 11'h45;
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reset_vector = `RV_RESET_VEC;
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nmi_vector = 32'hee000000;
nmi_int = 0;
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$readmemh("program.hex", lmem.mem);
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$readmemh("program.hex", imem.mem);
tp = $fopen("trace_port.csv","w");
el = $fopen("exec.log","w");
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$fwrite (el, "// Cycle : #inst 0 pc opcode reg=value ; mnemonic\n");
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fd = $fopen("console.log","w");
commit_count = 0;
preload_dccm();
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preload_iccm();
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`ifndef VERILATOR
if($test$plusargs("dumpon")) $dumpvars;
forever core_clk = #5 ~core_clk;
`endif
end
assign rst_l = cycleCnt > 5;
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assign porst_l = cycleCnt > 2;
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//=========================================================================-
// RTL instance
//=========================================================================-
el2_swerv_wrapper rvtop (
.rst_l ( rst_l ),
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.dbg_rst_l ( porst_l ),
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.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
Release 1.1
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.dma_axi_awvalid (dma_axi_awvalid),
Initial checkin.
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.dma_axi_awready (dma_axi_awready),
Release 1.1
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.dma_axi_awid ('0),
.dma_axi_awaddr (lsu_axi_awaddr),
.dma_axi_awsize (lsu_axi_awsize),
.dma_axi_awprot (lsu_axi_awprot),
.dma_axi_awlen (lsu_axi_awlen),
.dma_axi_awburst (lsu_axi_awburst),
Initial checkin.
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Release 1.1
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.dma_axi_wvalid (dma_axi_wvalid),
Initial checkin.
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.dma_axi_wready (dma_axi_wready),
Release 1.1
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.dma_axi_wdata (lsu_axi_wdata),
.dma_axi_wstrb (lsu_axi_wstrb),
.dma_axi_wlast (lsu_axi_wlast),
Initial checkin.
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.dma_axi_bvalid (dma_axi_bvalid),
Release 1.1
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.dma_axi_bready (dma_axi_bready),
Initial checkin.
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.dma_axi_bresp (dma_axi_bresp),
Release 1.1
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.dma_axi_bid (),
Initial checkin.
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Release 1.1
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.dma_axi_arvalid (dma_axi_arvalid),
Initial checkin.
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.dma_axi_arready (dma_axi_arready),
Release 1.1
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.dma_axi_arid ('0),
.dma_axi_araddr (lsu_axi_araddr),
.dma_axi_arsize (lsu_axi_arsize),
.dma_axi_arprot (lsu_axi_arprot),
.dma_axi_arlen (lsu_axi_arlen),
.dma_axi_arburst (lsu_axi_arburst),
Initial checkin.
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.dma_axi_rvalid (dma_axi_rvalid),
Release 1.1
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.dma_axi_rready (dma_axi_rready),
.dma_axi_rid (),
Initial checkin.
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.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_perfcnt1 (),
.dec_tlu_perfcnt2 (),
.dec_tlu_perfcnt3 (),
Branch 1.3
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// remove mems DFT pins for opensource
.dccm_ext_in_pkt ('0),
.iccm_ext_in_pkt ('0),
.ic_data_ext_in_pkt ('0),
.ic_tag_ext_in_pkt ('0),
Initial checkin.
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.soft_int ('0),
.core_id ('0),
.scan_mode ( 1'b0 ), // To enable scan mode
.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),
Release 1.1
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.arvalid(lmem_axi_arvalid),
.arready(lmem_axi_arready),
Initial checkin.
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.araddr(lsu_axi_araddr),
.arid(lsu_axi_arid),
.arlen(lsu_axi_arlen),
.arburst(lsu_axi_arburst),
.arsize(lsu_axi_arsize),
Release 1.1
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.rvalid(lmem_axi_rvalid),
.rready(lmem_axi_rready),
.rdata(lmem_axi_rdata),
.rresp(lmem_axi_rresp),
.rid(lmem_axi_rid),
.rlast(lmem_axi_rlast),
Initial checkin.
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Release 1.1
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.awvalid(lmem_axi_awvalid),
.awready(lmem_axi_awready),
Initial checkin.
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.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),
Release 1.1
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.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),
Initial checkin.
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Release 1.1
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.s1_bresp(dma_axi_bresp),
.s1_bvalid(dma_axi_bvalid),
.s1_bready(dma_axi_bready)
Initial checkin.
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);
Release 1.1
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`endif
task preload_iccm;
bit[31:0] data;
Branch 1.3
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bit[31:0] addr, eaddr, saddr;
Release 1.1
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/*
addresses:
Branch 1.3
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0xfffffff0 - ICCM start address to load
0xfffffff4 - ICCM end address to load
Release 1.1
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*/
Branch 1.4
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`ifndef VERILATOR
init_iccm();
`endif
Branch 1.3
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addr = 'hffff_fff0;
Release 1.1
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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;
Initial checkin.
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`endif
Branch 1.3
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addr += 4;
Release 1.1
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eaddr = {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
Branch 1.3
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data = {imem.mem[addr+3],imem.mem[addr+2],imem.mem[addr+1],imem.mem[addr]};
Release 1.1
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slam_iccm_ram(addr, data == 0 ? 0 : {riscv_ecc32(data),data});
end
Initial checkin.
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Release 1.1
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endtask
Initial checkin.
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Branch 1.3
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Initial checkin.
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task preload_dccm;
bit[31:0] data;
Branch 1.3
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bit[31:0] addr, saddr, eaddr;
Release 1.1
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/*
addresses:
Branch 1.3
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0xffff_fff8 - DCCM start address to load
0xffff_fffc - DCCM end address to load
Release 1.1
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*/
Initial checkin.
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Branch 1.3
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addr = 'hffff_fff8;
saddr = {lmem.mem[addr+3],lmem.mem[addr+2],lmem.mem[addr+1],lmem.mem[addr]};
if (saddr < `RV_DCCM_SADR || saddr > `RV_DCCM_EADR) return;
Release 1.1
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`ifndef RV_DCCM_ENABLE
$display("********************************************************");
$display("DCCM preload: there is no DCCM in SweRV, terminating !!!");
$display("********************************************************");
$finish;
`endif
Branch 1.3
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addr += 4;
Initial checkin.
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eaddr = {lmem.mem[addr+3],lmem.mem[addr+2],lmem.mem[addr+1],lmem.mem[addr]};
Branch 1.3
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$display("DCCM pre-load from %h to %h", saddr, eaddr);
Initial checkin.
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Branch 1.3
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for(addr=saddr; addr <= eaddr; addr+=4) begin
data = {lmem.mem[addr+3],lmem.mem[addr+2],lmem.mem[addr+1],lmem.mem[addr]};
Initial checkin.
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slam_dccm_ram(addr, data == 0 ? 0 : {riscv_ecc32(data),data});
end
endtask
Branch 1.3
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Release 1.1
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`define ICCM_PATH `RV_TOP.mem.iccm.iccm
Initial checkin.
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`ifdef VERILATOR
Release 1.1
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`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
Initial checkin.
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`else
Release 1.1
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`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
Initial checkin.
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`endif
Release 1.1
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Initial checkin.
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task slam_dccm_ram(input [31:0] addr, input[38:0] data);
int bank, indx;
bank = get_dccm_bank(addr, indx);
Release 1.1
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`ifdef RV_DCCM_ENABLE
Initial checkin.
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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
Release 1.1
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`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
Initial checkin.
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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
Release 1.1
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function int get_dccm_bank(input[31:0] addr, output int bank_idx);
Initial checkin.
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`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
Release 1.1
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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
Branch 1.3
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/* verilator lint_off CASEINCOMPLETE */
`include "dasm.svi"
/* verilator lint_on CASEINCOMPLETE */
Release 1.1
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Initial checkin.
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endmodule