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Decoder: Exit on trapping instructions, and resume execution at trapping instruction (#3153)

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* Decoder: Exit on trapping instructions, and resume execution at trapping instruction

* Resume at trapping address

* remove mustExit
This commit is contained in:
merry 2022-03-04 22:16:58 +00:00 • committed by GitHub
parent bd9ac0fdaa
commit 497199bb50
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 38 additions and 18 deletions
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21
ARMeilleure/Instructions/InstEmitException.cs
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@ -9,18 +9,25 @@ namespace ARMeilleure.Instructions
{
public static void Brk(ArmEmitterContext context)
{
EmitExceptionCall(context, nameof(NativeInterface.Break));
OpCodeException op = (OpCodeException)context.CurrOp;
string name = nameof(NativeInterface.Break);
context.StoreToContext();
context.Call(typeof(NativeInterface).GetMethod(name), Const(op.Address), Const(op.Id));
context.LoadFromContext();
context.Return(Const(op.Address));
}
public static void Svc(ArmEmitterContext context)
{
EmitExceptionCall(context, nameof(NativeInterface.SupervisorCall));
}
private static void EmitExceptionCall(ArmEmitterContext context, string name)
{
OpCodeException op = (OpCodeException)context.CurrOp;
string name = nameof(NativeInterface.SupervisorCall);
context.StoreToContext();
context.Call(typeof(NativeInterface).GetMethod(name), Const(op.Address), Const(op.Id));
@ -41,6 +48,8 @@ namespace ARMeilleure.Instructions
context.Call(typeof(NativeInterface).GetMethod(name), Const(op.Address), Const(op.RawOpCode));
context.LoadFromContext();
context.Return(Const(op.Address));
}
}
}