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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
3 changed files with 38 additions and 18 deletions
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21
ARMeilleure/Instructions/InstEmitException.cs
View File

@ -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));
}
}
}

27
ARMeilleure/Instructions/InstEmitException32.cs
View File

@ -9,19 +9,11 @@ namespace ARMeilleure.Instructions
static partial class InstEmit32
{
public static void Svc(ArmEmitterContext context)
{
EmitExceptionCall(context, nameof(NativeInterface.SupervisorCall));
}
public static void Trap(ArmEmitterContext context)
{
EmitExceptionCall(context, nameof(NativeInterface.Break));
}
private static void EmitExceptionCall(ArmEmitterContext context, string name)
{
IOpCode32Exception op = (IOpCode32Exception)context.CurrOp;
string name = nameof(NativeInterface.SupervisorCall);
context.StoreToContext();
context.Call(typeof(NativeInterface).GetMethod(name), Const(((IOpCode)op).Address), Const(op.Id));
@ -30,5 +22,20 @@ namespace ARMeilleure.Instructions
Translator.EmitSynchronization(context);
}
public static void Trap(ArmEmitterContext context)
{
IOpCode32Exception op = (IOpCode32Exception)context.CurrOp;
string name = nameof(NativeInterface.Break);
context.StoreToContext();
context.Call(typeof(NativeInterface).GetMethod(name), Const(((IOpCode)op).Address), Const(op.Id));
context.LoadFromContext();
context.Return(Const(context.CurrOp.Address));
}
}
}