diff options
Diffstat (limited to 'src/arch/arm/isa/insts')
| -rw-r--r-- | src/arch/arm/isa/insts/misc.isa | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/arch/arm/isa/insts/misc.isa b/src/arch/arm/isa/insts/misc.isa index fafbc197d..3195bea65 100644 --- a/src/arch/arm/isa/insts/misc.isa +++ b/src/arch/arm/isa/insts/misc.isa @@ -117,4 +117,40 @@ let {{ header_output += MsrImmDeclare.subst(msrSpsrImmIop) decoder_output += MsrImmConstructor.subst(msrSpsrImmIop) exec_output += PredOpExecute.subst(msrSpsrImmIop) + + revCode = ''' + uint32_t val = Op1; + Dest = swap_byte(val); + ''' + revIop = InstObjParams("rev", "Rev", "RevOp", + { "code": revCode, + "predicate_test": predicateTest }, []) + header_output += RevOpDeclare.subst(revIop) + decoder_output += RevOpConstructor.subst(revIop) + exec_output += PredOpExecute.subst(revIop) + + rev16Code = ''' + uint32_t val = Op1; + Dest = (bits(val, 15, 8) << 0) | + (bits(val, 7, 0) << 8) | + (bits(val, 31, 24) << 16) | + (bits(val, 23, 16) << 24); + ''' + rev16Iop = InstObjParams("rev16", "Rev16", "RevOp", + { "code": rev16Code, + "predicate_test": predicateTest }, []) + header_output += RevOpDeclare.subst(rev16Iop) + decoder_output += RevOpConstructor.subst(rev16Iop) + exec_output += PredOpExecute.subst(rev16Iop) + + revshCode = ''' + uint16_t val = Op1; + Dest = sext<16>(swap_byte(val)); + ''' + revshIop = InstObjParams("revsh", "Revsh", "RevOp", + { "code": revshCode, + "predicate_test": predicateTest }, []) + header_output += RevOpDeclare.subst(revshIop) + decoder_output += RevOpConstructor.subst(revshIop) + exec_output += PredOpExecute.subst(revshIop) }}; |