Add ARM32 support on the translator (#561)

* Remove ARM32 interpreter and add ARM32 support on the translator

* Nits.

* Rename Cond -> Condition

* Align code again

* Rename Data to Alu

* Enable ARM32 support and handle undefined instructions

* Use the IsThumb method to check if its a thumb opcode

* Remove another 32-bits check
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gdkchan 2019-01-24 23:59:53 -02:00 committed by GitHub
parent 72157e03eb
commit 36b9ab0e48
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57 changed files with 1274 additions and 495 deletions

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@ -0,0 +1,24 @@
using ChocolArm64.Instructions;
using ChocolArm64.State;
namespace ChocolArm64.Decoders
{
class OpCode32 : OpCode64
{
public Condition Cond { get; protected set; }
public OpCode32(Inst inst, long position, int opCode) : base(inst, position, 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)Position + (uint)OpCodeSizeInBytes * 2;
}
}
}