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Code to trace RAS predictions for measuring accuracy in simulation.

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This commit is contained in:
Jonathan Woodruff
2021-11-29 12:19:00 +00:00
parent ad149db5c0
commit e761f18c26
2 changed files with 16 additions and 0 deletions
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15
src_Core/RISCY_OOO/procs/RV64G_OOO/AluExePipeline.bsv
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@@ -362,6 +362,21 @@ module mkAluExePipeline#(AluExeInput inIfc)(AluExePipeline);
// execution
ExecResult exec_result = basicExec(x.dInst, x.rVal1, x.rVal2, cast(x.pc), cast(x.ppc), x.orig_inst);
`ifdef RAS_HIT_TRACING
function Bool linkedR(Bit#(5) r);
Bool res = False;
if ((r == 1 || r == 5)) begin
res = True;
end
return res;
endfunction
if (linkedR(x.orig_inst[19:15]) && (x.orig_inst[19:15] != x.orig_inst[11:7])) begin
case (x.dInst.iType)
Jr, CJALR: $display("Jr/CJALR ra: PC: %x Mispredict: %x , %x vs %x src1: %d", getAddr(x.pc), exec_result.controlFlow.mispredict, getAddr(exec_result.controlFlow.nextPc), getAddr(x.ppc), x.orig_inst[19:15]);
endcase
end
`endif
if (verbosity > 0) begin
$display ("AluExePipeline.doExeAlu: regToExe = ", fshow (regToExe));
$display ("AluExePipeline.doExeAlu: exec_result = ", fshow (exec_result));