diff options
| -rw-r--r-- | src/arch/alpha/isa/decoder.isa | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa index 8789fa905..5635d381a 100644 --- a/src/arch/alpha/isa/decoder.isa +++ b/src/arch/alpha/isa/decoder.isa @@ -930,7 +930,24 @@ decode OPCODE default Unknown::unknown() { 0x1e: decode PALMODE { 0: OpcdecFault::hw_rei(); format BasicOperate { - 1: hw_rei({{ xc->hwrei(); }}, IsSerializing, IsSerializeBefore); + 1: hw_rei({{ + Addr pc = PC; + if (!(pc & 0x3)) + return std::make_shared<UnimplementedOpcodeFault>(); + + LockFlag = false; + NPC = IprExcAddr; + + ThreadContext *tc = xc->tcBase(); + auto *base_stats = tc->getKernelStats(); + auto *stats = dynamic_cast<AlphaISA::Kernel::Statistics *>( + base_stats); + assert(stats || !base_stats); + if (stats) + stats->hwrei(); + + CPA::cpa()->swAutoBegin(tc, IprExcAddr); + }}, IsSerializing, IsSerializeBefore); } } |