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author | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:16 -0500 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:16 -0500 |
commit | e9c8f68c0fcfb72934b852a61671fb94a1927e1d (patch) | |
tree | 25c89e490c733f3a3afdd775f2c7a094a69fe4a1 /src/arch/arm/isa/insts | |
parent | 05bd3eb4ec3d9fea3dbc46112a47459085d3011c (diff) | |
download | gem5-e9c8f68c0fcfb72934b852a61671fb94a1927e1d.tar.xz |
ARM: Make undefined instructions obey predication.
Diffstat (limited to 'src/arch/arm/isa/insts')
-rw-r--r-- | src/arch/arm/isa/insts/misc.isa | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/arch/arm/isa/insts/misc.isa b/src/arch/arm/isa/insts/misc.isa index ee6330f48..ddf548a19 100644 --- a/src/arch/arm/isa/insts/misc.isa +++ b/src/arch/arm/isa/insts/misc.isa @@ -468,6 +468,19 @@ let {{ header_output += BasicDeclare.subst(itIop) decoder_output += BasicConstructor.subst(itIop) exec_output += PredOpExecute.subst(itIop) + unknownCode = ''' +#if FULL_SYSTEM + return new UndefinedInstruction; +#else + return new UndefinedInstruction(machInst, true); +#endif + ''' + unknownIop = InstObjParams("unknown", "Unknown", "UnknownOp", \ + { "code": unknownCode, + "predicate_test": predicateTest }) + header_output += BasicDeclare.subst(unknownIop) + decoder_output += BasicConstructor.subst(unknownIop) + exec_output += PredOpExecute.subst(unknownIop) ubfxCode = ''' Dest = bits(Op1, imm2, imm1); |