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Updated testbench for branch logger.

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This commit is contained in:
Ross Thompson 2023-01-29 00:56:11 -06:00
parent c8df460b28
commit 250a8df7c3
1 changed files with 5 additions and 3 deletions
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8
pipelined/testbench/testbench.sv
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@ -32,8 +32,8 @@
`include "wally-config.vh"
`include "tests.vh"
`define PrintHPMCounters 0
`define BPRED_LOGGER 0
`define PrintHPMCounters 1
`define BPRED_LOGGER 1
module testbench;
parameter DEBUG=0;
@ -484,11 +484,13 @@ logic [3:0] dummy;
if (`BPRED_LOGGER) begin
string direction;
int file;
logic PCScrM;
flopenrc #(1) PCSrcMReg(clk, reset, FlushM, dut.core.ifu.bpred.bpred.Predictor.DirPredictor.PCSrcE, PCSrcM);
initial
file = $fopen("branch.log", "w");
always @(posedge clk) begin
if(dut.core.ifu.InstrClassM[0] & ~dut.core.StallW & ~dut.core.FlushW & dut.core.InstrValidM) begin
direction = dut.core.ifu.bpred.bpred.Predictor.DirPredictor.PCSrcM ? "t" : "n";
direction = PCSrcM ? "t" : "n";
$fwrite(file, "%h %s\n", dut.core.PCM, direction);
end
end