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Fix bug with IllegalInstrFaultM not getting correct value

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Domenico Ottolia 2021-05-03 22:48:03 -04:00
parent 12d8ff617b
commit a7e89f43c1
1 changed files with 1 additions and 1 deletions
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wally-pipelined/src/privileged/privdec.sv
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@ -47,7 +47,7 @@ module privdec (
assign wfiM = PrivilegedM & (InstrM[31:20] == 12'b000100000101); assign wfiM = PrivilegedM & (InstrM[31:20] == 12'b000100000101);
assign sfencevmaM = PrivilegedM & (InstrM[31:25] == 7'b0001001); assign sfencevmaM = PrivilegedM & (InstrM[31:25] == 7'b0001001);
assign IllegalPrivilegedInstrM = PrivilegedM & ~(uretM|sretM|mretM|ecallM|ebreakM|wfiM|sfencevmaM); assign IllegalPrivilegedInstrM = PrivilegedM & ~(uretM|sretM|mretM|ecallM|ebreakM|wfiM|sfencevmaM);
assign IllegalInstrFaultM = (IllegalIEUInstrFaultM & IllegalFPUInstrM) | IllegalPrivilegedInstrM | IllegalCSRAccessM | IllegalFPUInstrM; // *** generalize this for other instructions assign IllegalInstrFaultM = IllegalIEUInstrFaultM | IllegalFPUInstrM | IllegalPrivilegedInstrM | IllegalCSRAccessM | IllegalFPUInstrM; // *** generalize this for other instructions
// *** initially, wfi and sfencevma are nop // *** initially, wfi and sfencevma are nop
// *** zfenci extension? // *** zfenci extension?