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-rw-r--r--src/arch/sparc/faults.cc117
-rw-r--r--src/arch/sparc/utility.cc24
2 files changed, 73 insertions, 68 deletions
diff --git a/src/arch/sparc/faults.cc b/src/arch/sparc/faults.cc
index a737b328d..e67b8c50e 100644
--- a/src/arch/sparc/faults.cc
+++ b/src/arch/sparc/faults.cc
@@ -624,17 +624,18 @@ FastInstructionAccessMMUMiss::invoke(ThreadContext *tc, StaticInstPtr inst)
{
if (FullSystem) {
SparcFaultBase::invoke(tc, inst);
+ return;
+ }
+
+ Process *p = tc->getProcessPtr();
+ TlbEntry entry;
+ bool success = p->pTable->lookup(vaddr, entry);
+ if (!success) {
+ panic("Tried to execute unmapped address %#x.\n", vaddr);
} else {
- Process *p = tc->getProcessPtr();
- TlbEntry entry;
- bool success = p->pTable->lookup(vaddr, entry);
- if (!success) {
- panic("Tried to execute unmapped address %#x.\n", vaddr);
- } else {
- Addr alignedVaddr = p->pTable->pageAlign(vaddr);
- tc->getITBPtr()->insert(alignedVaddr, 0 /*partition id*/,
- p->M5_pid /*context id*/, false, entry.pte);
- }
+ Addr alignedVaddr = p->pTable->pageAlign(vaddr);
+ tc->getITBPtr()->insert(alignedVaddr, 0 /*partition id*/,
+ p->M5_pid /*context id*/, false, entry.pte);
}
}
@@ -643,21 +644,22 @@ FastDataAccessMMUMiss::invoke(ThreadContext *tc, StaticInstPtr inst)
{
if (FullSystem) {
SparcFaultBase::invoke(tc, inst);
+ return;
+ }
+
+ Process *p = tc->getProcessPtr();
+ TlbEntry entry;
+ bool success = p->pTable->lookup(vaddr, entry);
+ if (!success) {
+ if (p->fixupStackFault(vaddr))
+ success = p->pTable->lookup(vaddr, entry);
+ }
+ if (!success) {
+ panic("Tried to access unmapped address %#x.\n", vaddr);
} else {
- Process *p = tc->getProcessPtr();
- TlbEntry entry;
- bool success = p->pTable->lookup(vaddr, entry);
- if (!success) {
- if (p->fixupStackFault(vaddr))
- success = p->pTable->lookup(vaddr, entry);
- }
- if (!success) {
- panic("Tried to access unmapped address %#x.\n", vaddr);
- } else {
- Addr alignedVaddr = p->pTable->pageAlign(vaddr);
- tc->getDTBPtr()->insert(alignedVaddr, 0 /*partition id*/,
- p->M5_pid /*context id*/, false, entry.pte);
- }
+ Addr alignedVaddr = p->pTable->pageAlign(vaddr);
+ tc->getDTBPtr()->insert(alignedVaddr, 0 /*partition id*/,
+ p->M5_pid /*context id*/, false, entry.pte);
}
}
@@ -666,18 +668,19 @@ SpillNNormal::invoke(ThreadContext *tc, StaticInstPtr inst)
{
if (FullSystem) {
SparcFaultBase::invoke(tc, inst);
- } else {
- doNormalFault(tc, trapType(), false);
+ return;
+ }
- Process *p = tc->getProcessPtr();
+ doNormalFault(tc, trapType(), false);
- //XXX This will only work in faults from a SparcLiveProcess
- SparcLiveProcess *lp = dynamic_cast<SparcLiveProcess *>(p);
- assert(lp);
+ Process *p = tc->getProcessPtr();
- // Then adjust the PC and NPC
- tc->pcState(lp->readSpillStart());
- }
+ //XXX This will only work in faults from a SparcLiveProcess
+ SparcLiveProcess *lp = dynamic_cast<SparcLiveProcess *>(p);
+ assert(lp);
+
+ // Then adjust the PC and NPC
+ tc->pcState(lp->readSpillStart());
}
void
@@ -685,18 +688,19 @@ FillNNormal::invoke(ThreadContext *tc, StaticInstPtr inst)
{
if (FullSystem) {
SparcFaultBase::invoke(tc, inst);
- } else {
- doNormalFault(tc, trapType(), false);
+ return;
+ }
- Process *p = tc->getProcessPtr();
+ doNormalFault(tc, trapType(), false);
- //XXX This will only work in faults from a SparcLiveProcess
- SparcLiveProcess *lp = dynamic_cast<SparcLiveProcess *>(p);
- assert(lp);
+ Process *p = tc->getProcessPtr();
- // Then adjust the PC and NPC
- tc->pcState(lp->readFillStart());
- }
+ //XXX This will only work in faults from a SparcLiveProcess
+ SparcLiveProcess *lp = dynamic_cast<SparcLiveProcess *>(p);
+ assert(lp);
+
+ // Then adjust the PC and NPC
+ tc->pcState(lp->readFillStart());
}
void
@@ -704,24 +708,25 @@ TrapInstruction::invoke(ThreadContext *tc, StaticInstPtr inst)
{
if (FullSystem) {
SparcFaultBase::invoke(tc, inst);
- } else {
- // In SE, this mechanism is how the process requests a service from
- // the operating system. We'll get the process object from the thread
- // context and let it service the request.
+ return;
+ }
- Process *p = tc->getProcessPtr();
+ // In SE, this mechanism is how the process requests a service from
+ // the operating system. We'll get the process object from the thread
+ // context and let it service the request.
- SparcLiveProcess *lp = dynamic_cast<SparcLiveProcess *>(p);
- assert(lp);
+ Process *p = tc->getProcessPtr();
- lp->handleTrap(_n, tc);
+ SparcLiveProcess *lp = dynamic_cast<SparcLiveProcess *>(p);
+ assert(lp);
- // We need to explicitly advance the pc, since that's not done for us
- // on a faulting instruction
- PCState pc = tc->pcState();
- pc.advance();
- tc->pcState(pc);
- }
+ lp->handleTrap(_n, tc);
+
+ // We need to explicitly advance the pc, since that's not done for us
+ // on a faulting instruction
+ PCState pc = tc->pcState();
+ pc.advance();
+ tc->pcState(pc);
}
} // namespace SparcISA
diff --git a/src/arch/sparc/utility.cc b/src/arch/sparc/utility.cc
index 74b1b2794..272df690c 100644
--- a/src/arch/sparc/utility.cc
+++ b/src/arch/sparc/utility.cc
@@ -46,21 +46,21 @@ namespace SparcISA {
uint64_t
getArgument(ThreadContext *tc, int &number, uint16_t size, bool fp)
{
- if (FullSystem) {
- const int NumArgumentRegs = 6;
- if (number < NumArgumentRegs) {
- return tc->readIntReg(8 + number);
- } else {
- Addr sp = tc->readIntReg(StackPointerReg);
- FSTranslatingPortProxy* vp = tc->getVirtProxy();
- uint64_t arg = vp->read<uint64_t>(sp + 92 +
- (number-NumArgumentRegs) * sizeof(uint64_t));
- return arg;
- }
- } else {
+ if (!FullSystem) {
panic("getArgument() only implemented for full system\n");
M5_DUMMY_RETURN
}
+
+ const int NumArgumentRegs = 6;
+ if (number < NumArgumentRegs) {
+ return tc->readIntReg(8 + number);
+ } else {
+ Addr sp = tc->readIntReg(StackPointerReg);
+ FSTranslatingPortProxy* vp = tc->getVirtProxy();
+ uint64_t arg = vp->read<uint64_t>(sp + 92 +
+ (number-NumArgumentRegs) * sizeof(uint64_t));
+ return arg;
+ }
}
void
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 14:54:23 +0000