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Diffstat (limited to 'src/arch/arm/isa/formats/mem.isa')
-rw-r--r-- | src/arch/arm/isa/formats/mem.isa | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/arch/arm/isa/formats/mem.isa b/src/arch/arm/isa/formats/mem.isa index 13309ec9b..2ea45733b 100644 --- a/src/arch/arm/isa/formats/mem.isa +++ b/src/arch/arm/isa/formats/mem.isa @@ -213,6 +213,28 @@ def format AddrMode3() {{ decode_block = decode % subs }}; +def format ArmSyncMem() {{ + decode_block = ''' + { + const IntRegIndex rn = (IntRegIndex)(uint32_t)bits(machInst, 19, 16); + const IntRegIndex rt = (IntRegIndex)(uint32_t)bits(machInst, 15, 12); + const IntRegIndex rt2 = (IntRegIndex)(uint32_t)bits(machInst, 3, 0); + switch (PUBWL) { + case 0x10: + return new Swp(machInst, rt, rt2, rn); + case 0x14: + return new Swpb(machInst, rt, rt2, rn); + case 0x18: + return new WarnUnimplemented("strex", machInst); + case 0x19: + return new WarnUnimplemented("ldrex", machInst); + default: + return new Unknown(machInst); + } + } + ''' +}}; + def format Thumb32LoadWord() {{ decode = ''' { |