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Diffstat (limited to 'ARMeilleure/Decoders/OpCode32.cs')
-rw-r--r-- | ARMeilleure/Decoders/OpCode32.cs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/ARMeilleure/Decoders/OpCode32.cs b/ARMeilleure/Decoders/OpCode32.cs new file mode 100644 index 00000000..20927d5e --- /dev/null +++ b/ARMeilleure/Decoders/OpCode32.cs @@ -0,0 +1,21 @@ +namespace ARMeilleure.Decoders +{ + class OpCode32 : OpCode + { + public Condition Cond { get; protected set; } + + public OpCode32(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode) + { + RegisterSize = RegisterSize.Int32; + + Cond = (Condition)((uint)opCode >> 28); + } + + public uint GetPc() + { + // Due to backwards compatibility and legacy behavior of ARMv4 CPUs pipeline, + // the PC actually points 2 instructions ahead. + return (uint)Address + (uint)OpCodeSizeInBytes * 2; + } + } +}
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