diff options
Diffstat (limited to 'src/arch/arm/faults.cc')
| -rw-r--r-- | src/arch/arm/faults.cc | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/arch/arm/faults.cc b/src/arch/arm/faults.cc index 79973185d..2a6b7c359 100644 --- a/src/arch/arm/faults.cc +++ b/src/arch/arm/faults.cc @@ -71,6 +71,9 @@ template<> ArmFault::FaultVals ArmFaultVals<Interrupt>::vals = template<> ArmFault::FaultVals ArmFaultVals<FastInterrupt>::vals = {"FIQ", 0x1C, MODE_FIQ, 4, 4, true, true}; +template<> ArmFault::FaultVals ArmFaultVals<FlushPipe>::vals = + {"Pipe Flush", 0x00, MODE_SVC, 0, 0, true, true}; // some dummy values + Addr ArmFault::getVector(ThreadContext *tc) { @@ -213,12 +216,22 @@ AbortFault<T>::invoke(ThreadContext *tc) tc->setMiscReg(T::FarIndex, faultAddr); } +void +FlushPipe::invoke(ThreadContext *tc) { + DPRINTF(Faults, "Invoking FlushPipe Fault\n"); + + // Set the PC to the next instruction of the faulting instruction. + // Net effect is simply squashing all instructions behind and + // start refetching from the next instruction. + tc->setPC(tc->readNextPC()); + tc->setNextPC(tc->readNextNPC()); + tc->setMicroPC(0); + tc->setNextMicroPC(1); +} + template void AbortFault<PrefetchAbort>::invoke(ThreadContext *tc); template void AbortFault<DataAbort>::invoke(ThreadContext *tc); // return via SUBS pc, lr, xxx; rfe, movs, ldm - - } // namespace ArmISA - |