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author | Korey Sewell <ksewell@umich.edu> | 2006-03-16 18:40:54 -0500 |
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committer | Korey Sewell <ksewell@umich.edu> | 2006-03-16 18:40:54 -0500 |
commit | 1db74514c23a09997d3f3eabca31a4dc94cec2f7 (patch) | |
tree | c28b33bbed1535a72503cdd5f52c39889dd0a449 /arch/sparc/isa/formats/unknown.isa | |
parent | 805b9cf1d5ace9c02b7bd120ee1bc082f544699d (diff) | |
parent | 1d741c48af9f08718d359d9e3b7d3c0bf562a467 (diff) | |
download | gem5-1db74514c23a09997d3f3eabca31a4dc94cec2f7.tar.xz |
Merge zizzer:/bk/newmem
into zazzer.eecs.umich.edu:/.automount/zooks/y/ksewell/research/m5-sim/newmem-mips
--HG--
extra : convert_revision : 02fe0b0170348dc6f6a985c15123806088a8c23e
Diffstat (limited to 'arch/sparc/isa/formats/unknown.isa')
-rw-r--r-- | arch/sparc/isa/formats/unknown.isa | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/sparc/isa/formats/unknown.isa b/arch/sparc/isa/formats/unknown.isa new file mode 100644 index 000000000..eeb2b9496 --- /dev/null +++ b/arch/sparc/isa/formats/unknown.isa @@ -0,0 +1,46 @@ +//////////////////////////////////////////////////////////////////// +// +// Unknown instructions +// + +output header {{ + /** + * Class for Unknown/Illegal instructions + */ + class Unknown : public SparcStaticInst + { + public: + + // Constructor + Unknown(ExtMachInst _machInst) : + SparcStaticInst("unknown", _machInst, No_OpClass) + { + } + + %(BasicExecDeclare)s + + std::string generateDisassembly(Addr pc, + const SymbolTable *symtab) const; + + }; +}}; + +output decoder {{ + std::string Unknown::generateDisassembly(Addr pc, + const SymbolTable *symtab) const + { + return "Unknown instruction\n"; + } +}}; + +output exec {{ + Fault Unknown::execute(%(CPU_exec_context)s *xc, + Trace::InstRecord *traceData) const + { + return new IllegalInstruction; + } +}}; + +def format Unknown() {{ + decode_block = 'return new Unknown(machInst);\n' +}}; |