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Add ARM32 support on the translator (#561)

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* 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
This commit is contained in:
gdkchan 2019-01-24 23:59:53 -02:00 • committed by GitHub
parent 72157e03eb
commit 36b9ab0e48
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GPG key ID: 4AEE18F83AFDEB23
57 changed files with 1274 additions and 495 deletions
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28
ChocolArm64/State/CpuThreadState.cs
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@ -8,25 +8,13 @@ namespace ChocolArm64.State
{
public class CpuThreadState
{
internal const int LrIndex = 30;
internal const int ZrIndex = 31;
internal const int ErgSizeLog2 = 4;
internal const int DczSizeLog2 = 4;
private const int MinInstForCheck = 4000000;
internal ExecutionMode ExecutionMode;
//AArch32 state.
public uint R0, R1, R2, R3,
R4, R5, R6, R7,
R8, R9, R10, R11,
R12, R13, R14, R15;
public bool Thumb;
//AArch64 state.
public ulong X0, X1, X2, X3, X4, X5, X6, X7,
X8, X9, X10, X11, X12, X13, X14, X15,
X16, X17, X18, X19, X20, X21, X22, X23,
@ -42,6 +30,10 @@ namespace ChocolArm64.State
public bool Zero;
public bool Negative;
public bool IsAarch32;
public int ElrHyp;
public bool Running { get; set; }
public int Core { get; set; }
@ -146,6 +138,18 @@ namespace ChocolArm64.State
Undefined?.Invoke(this, new InstUndefinedEventArgs(position, rawOpCode));
}
internal ExecutionMode GetExecutionMode()
{
if (!IsAarch32)
{
return ExecutionMode.Aarch64;
}
else
{
return Thumb ? ExecutionMode.Aarch32Thumb : ExecutionMode.Aarch32Arm;
}
}
internal bool GetFpcrFlag(Fpcr flag)
{
return (Fpcr & (1 << (int)flag)) != 0;