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-rw-r--r--src/arch/x86/isa/microops/regop.isa11
-rw-r--r--src/arch/x86/predecoder.cc2
2 files changed, 6 insertions, 7 deletions
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa
index a6e0564ba..bc139a609 100644
--- a/src/arch/x86/isa/microops/regop.isa
+++ b/src/arch/x86/isa/microops/regop.isa
@@ -1335,16 +1335,15 @@ let {{
if (selector.si || selector.ti) {
if (!desc.p) {
fault = new StackFault(selector);
- }
- } else {
- if ((m5reg.submode != SixtyFourBitMode ||
- m5reg.cpl == 3) ||
- !(desc.s == 1 &&
- desc.type.codeOrData == 0 && desc.type.w) ||
+ } else if (!(desc.s == 1 && desc.type.codeOrData == 0 &&
+ desc.type.w) ||
(desc.dpl != m5reg.cpl) ||
(selector.rpl != m5reg.cpl)) {
fault = new GeneralProtection(selector);
}
+ } else if (m5reg.submode != SixtyFourBitMode ||
+ m5reg.cpl == 3) {
+ fault = new GeneralProtection(selector);
}
break;
case SegIretCheck:
diff --git a/src/arch/x86/predecoder.cc b/src/arch/x86/predecoder.cc
index 429b91687..a4aa93b48 100644
--- a/src/arch/x86/predecoder.cc
+++ b/src/arch/x86/predecoder.cc
@@ -186,7 +186,7 @@ namespace X86ISA
DPRINTF(Predecoder, "Found two byte opcode.\n");
emi.opcode.prefixA = nextByte;
}
- else if(emi.opcode.num == 2 && (nextByte == 0x38 || nextByte == 0x3F))
+ else if(emi.opcode.num == 2 && (nextByte == 0x38 || nextByte == 0x3A))
{
nextState = OpcodeState;
DPRINTF(Predecoder, "Found three byte opcode.\n");