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Diffstat (limited to 'src/arch/sparc/faults.cc')
-rw-r--r--src/arch/sparc/faults.cc23
1 files changed, 8 insertions, 15 deletions
diff --git a/src/arch/sparc/faults.cc b/src/arch/sparc/faults.cc
index 4326e8b67..92fdbfdbb 100644
--- a/src/arch/sparc/faults.cc
+++ b/src/arch/sparc/faults.cc
@@ -532,7 +532,7 @@ void getPrivVector(ThreadContext * tc, Addr & PC, Addr & NPC, MiscReg TT, MiscRe
void SparcFaultBase::invoke(ThreadContext * tc)
{
- panic("Invoking a second fault!\n");
+ //panic("Invoking a second fault!\n");
FaultBase::invoke(tc);
countStat()++;
@@ -555,33 +555,26 @@ void SparcFaultBase::invoke(ThreadContext * tc)
PrivilegeLevel level = getNextLevel(current);
- if(HPSTATE & (1 << 5) || TL == MaxTL - 1)
- {
+ if(HPSTATE & (1 << 5) || TL == MaxTL - 1) {
getREDVector(5, PC, NPC);
doREDFault(tc, TT);
//This changes the hpstate and pstate, so we need to make sure we
//save the old version on the trap stack in doREDFault.
enterREDState(tc);
- }
- else if(TL == MaxTL)
- {
+ } else if(TL == MaxTL) {
+ panic("Should go to error state here.. crap\n");
//Do error_state somehow?
//Probably inject a WDR fault using the interrupt mechanism.
//What should the PC and NPC be set to?
- }
- else if(TL > MaxPTL && level == Privileged)
- {
+ } else if(TL > MaxPTL && level == Privileged) {
//guest_watchdog fault
doNormalFault(tc, trapType(), true);
getHyperVector(tc, PC, NPC, 2);
- }
- else if(level == Hyperprivileged)
- {
+ } else if(level == Hyperprivileged ||
+ level == Privileged && trapType() >= 384) {
doNormalFault(tc, trapType(), true);
getHyperVector(tc, PC, NPC, trapType());
- }
- else
- {
+ } else {
doNormalFault(tc, trapType(), false);
getPrivVector(tc, PC, NPC, trapType(), TL+1);
}