diff options
Diffstat (limited to 'src/arch/sparc/isa/decoder.isa')
| -rw-r--r-- | src/arch/sparc/isa/decoder.isa | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/arch/sparc/isa/decoder.isa b/src/arch/sparc/isa/decoder.isa index 0be7defba..e2d1707dd 100644 --- a/src/arch/sparc/isa/decoder.isa +++ b/src/arch/sparc/isa/decoder.isa @@ -1009,7 +1009,16 @@ decode OP default Unknown::unknown() 0x80: Trap::shutdown({{fault = new IllegalInstruction;}}); 0x81: FailUnimpl::siam(); } - 0x37: Trap::impdep2({{fault = new IllegalInstruction;}}); + // M5 special opcodes use the reserved IMPDEP2A opcode space + 0x37: decode M5FUNC { + // we have 7 bits of space here to play with... + 0x21: m5exit({{PseudoInst::m5exit(xc->tcBase(), O0); + }}, No_OpClass, IsNonSpeculative); + 0x54: m5panic({{ + panic("M5 panic instruction called at pc=%#x.", xc->readPC()); + }}, No_OpClass, IsNonSpeculative); + + } 0x38: Branch::jmpl({{ Addr target = Rs1 + Rs2_or_imm13; if(target & 0x3) @@ -1077,7 +1086,8 @@ decode OP default Unknown::unknown() } }}, IsSerializeAfter, IsNonSpeculative); } - 0x3B: Nop::flush({{/*Instruction memory flush*/}}); + 0x3B: Nop::flush({{/*Instruction memory flush*/}}, IsWriteBarrier, + MemWriteOp); 0x3C: save({{ if(Cansave == 0) { |