diff options
Diffstat (limited to 'src/cpu/o3/alpha_dyn_inst_impl.hh')
| -rw-r--r-- | src/cpu/o3/alpha_dyn_inst_impl.hh | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/cpu/o3/alpha_dyn_inst_impl.hh b/src/cpu/o3/alpha_dyn_inst_impl.hh index 06755eb76..3a0727b45 100644 --- a/src/cpu/o3/alpha_dyn_inst_impl.hh +++ b/src/cpu/o3/alpha_dyn_inst_impl.hh @@ -66,9 +66,10 @@ template <class Impl> Fault AlphaDynInst<Impl>::execute() { - // @todo: Pretty convoluted way to avoid squashing from happening when using - // the XC during an instruction's execution (specifically for instructions - // that have sideeffects that use the XC). Fix this. + // @todo: Pretty convoluted way to avoid squashing from happening + // when using the XC during an instruction's execution + // (specifically for instructions that have side-effects that use + // the XC). Fix this. bool in_syscall = this->thread->inSyscall; this->thread->inSyscall = true; @@ -83,9 +84,10 @@ template <class Impl> Fault AlphaDynInst<Impl>::initiateAcc() { - // @todo: Pretty convoluted way to avoid squashing from happening when using - // the XC during an instruction's execution (specifically for instructions - // that have sideeffects that use the XC). Fix this. + // @todo: Pretty convoluted way to avoid squashing from happening + // when using the XC during an instruction's execution + // (specifically for instructions that have side-effects that use + // the XC). Fix this. bool in_syscall = this->thread->inSyscall; this->thread->inSyscall = true; @@ -118,9 +120,11 @@ template <class Impl> Fault AlphaDynInst<Impl>::hwrei() { + // Can only do a hwrei when in pal mode. if (!this->cpu->inPalMode(this->readPC())) return new AlphaISA::UnimplementedOpcodeFault; + // Set the next PC based on the value of the EXC_ADDR IPR. this->setNextPC(this->cpu->readMiscReg(AlphaISA::IPR_EXC_ADDR, this->threadNumber)); |