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Ryujinx/ChocolArm64/Instructions/InstEmitException.cs
Alex Barney b2b736abc2 Misc cleanup (#708)
* Fix typos

* Remove unneeded using statements

* Enforce var style more

* Remove redundant qualifiers

* Fix some indentation

* Disable naming warnings on files with external enum names

* Fix build

* Mass find & replace for comments with no spacing

* Standardize todo capitalization and for/if spacing
2019-07-02 04:39:22 +02:00

87 lines
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2.4 KiB
C#

using ChocolArm64.Decoders;
using ChocolArm64.IntermediateRepresentation;
using ChocolArm64.State;
using ChocolArm64.Translation;
using System.Reflection.Emit;
namespace ChocolArm64.Instructions
{
static partial class InstEmit
{
public static void Brk(ILEmitterCtx context)
{
EmitExceptionCall(context, nameof(CpuThreadState.OnBreak));
}
public static void Svc(ILEmitterCtx context)
{
EmitExceptionCall(context, nameof(CpuThreadState.OnSvcCall));
}
private static void EmitExceptionCall(ILEmitterCtx context, string mthdName)
{
OpCodeException64 op = (OpCodeException64)context.CurrOp;
context.EmitStoreContext();
context.EmitLdarg(TranslatedSub.StateArgIdx);
context.EmitLdc_I8(op.Position);
context.EmitLdc_I4(op.Id);
context.EmitPrivateCall(typeof(CpuThreadState), mthdName);
// Check if the thread should still be running, if it isn't then we return 0
// to force a return to the dispatcher and then exit the thread.
context.EmitLdarg(TranslatedSub.StateArgIdx);
context.EmitCallPropGet(typeof(CpuThreadState), nameof(CpuThreadState.Running));
ILLabel lblEnd = new ILLabel();
context.Emit(OpCodes.Brtrue_S, lblEnd);
context.EmitLdc_I8(0);
context.Emit(OpCodes.Ret);
context.MarkLabel(lblEnd);
if (context.CurrBlock.Next != null)
{
context.EmitLoadContext();
}
else
{
context.EmitLdc_I8(op.Position + 4);
context.Emit(OpCodes.Ret);
}
}
public static void Und(ILEmitterCtx context)
{
OpCode64 op = context.CurrOp;
context.EmitStoreContext();
context.EmitLdarg(TranslatedSub.StateArgIdx);
context.EmitLdc_I8(op.Position);
context.EmitLdc_I4(op.RawOpCode);
context.EmitPrivateCall(typeof(CpuThreadState), nameof(CpuThreadState.OnUndefined));
if (context.CurrBlock.Next != null)
{
context.EmitLoadContext();
}
else
{
context.EmitLdc_I8(op.Position + 4);
context.Emit(OpCodes.Ret);
}
}
}
}