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Added code to the wallyTracer to support outputing an instruction trace.

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This commit is contained in:
Rose Thompson 2023-11-21 12:28:19 -06:00
parent 58d89cc347
commit 6ff8d19157
1 changed files with 31 additions and 0 deletions
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31
testbench/common/wallyTracer.sv
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@ -23,6 +23,7 @@
`define NUM_REGS 32
`define NUM_CSRS 4096
`define STD_LOG 1
`define PRINT_PC_INSTR 0
`define PRINT_MOST 0
`define PRINT_ALL 0
@ -495,8 +496,38 @@ module wallyTracer import cvw::*; #(parameter cvw_t P) (rvviTrace rvvi);
integer index2;
string instrWName;
int file;
string LogFile;
if(`STD_LOG) begin
instrNameDecTB NameDecoder(rvvi.insn[0][0], instrWName);
initial begin
LogFile = "InstrTrace.log";
file = $fopen(LogFile, "w");
end
end
always_ff @(posedge clk) begin
if(rvvi.valid[0][0]) begin
if(`STD_LOG) begin
$fwrite(file, "%08x, $08x, %s ", rvvi.pc_rdata[0][0], rvvi.insn[0][0], instrWName);
for(index2 = 0; index2 < `NUM_REGS; index2 += 1) begin
if(rvvi.x_wb[0][0][index2]) begin
$fwrite(file, "rf[%d] = %08x ", index2, rvvi.x_wdata[0][0][index2]);
end
end
for(index2 = 0; index2 < `NUM_REGS; index2 += 1) begin
if(rvvi.f_wb[0][0][index2]) begin
$fwrite(file, "frf[%d] = %08x ", index2, rvvi.f_wdata[0][0][index2]);
end
end
for(index2 = 0; index2 < `NUM_CSRS; index2 += 1) begin
if(rvvi.csr_wb[0][0][index2]) begin
$fwrite(file, "csr[%d] = %08x ", index2, rvvi.csr[0][0][index2]);
end
end
$fwrite(file, "\n");
end
if(`PRINT_PC_INSTR & !(`PRINT_ALL | `PRINT_MOST))
$display("order = %08d, PC = %08x, insn = %08x", rvvi.order[0][0], rvvi.pc_rdata[0][0], rvvi.insn[0][0]);
else if(`PRINT_MOST & !`PRINT_ALL)