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instrfaults not respecting stalls bugfix

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bbracker 2021-03-25 00:16:26 -04:00
parent 1e3f683a9d
commit 02e924e55a
2 changed files with 3 additions and 3 deletions
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2
wally-pipelined/src/ifu/ifu.sv
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@ -162,7 +162,7 @@ module ifu (
endgenerate
// Decode stage pipeline register and logic
flopenl #(32) InstrDReg(clk, reset, ~StallD, (FlushD ? nop : InstrF), nop, InstrRawD);
flopenl #(32) InstrDReg(clk, reset, ~StallD | FlushD, (FlushD ? nop : InstrF), nop, InstrRawD);
flopenrc #(`XLEN) PCDReg(clk, reset, FlushD, ~StallD, PCF, PCD);
// expand 16-bit compressed instructions to 32 bits

4
wally-pipelined/src/privileged/privileged.sv
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@ -125,10 +125,10 @@ module privileged (
// pipeline fault signals
flopenrc #(1) faultregD(clk, reset, FlushD, ~StallD, InstrAccessFaultF, InstrAccessFaultD);
floprc #(2) faultregE(clk, reset, FlushE,
flopenrc #(2) faultregE(clk, reset, FlushE, ~StallE,
{IllegalIEUInstrFaultD, InstrAccessFaultD}, // ** vs IllegalInstrFaultInD
{IllegalIEUInstrFaultE, InstrAccessFaultE});
floprc #(2) faultregM(clk, reset, FlushM,
flopenrc #(2) faultregM(clk, reset, FlushM, ~StallM,
{IllegalIEUInstrFaultE, InstrAccessFaultE},
{IllegalIEUInstrFaultM, InstrAccessFaultM});