Ryujinx/ChocolArm64/Instruction/AInstEmitException.cs
2018-06-26 01:10:15 -03:00

86 lines
No EOL
2.4 KiB
C#

using ChocolArm64.Decoder;
using ChocolArm64.State;
using ChocolArm64.Translation;
using System.Reflection.Emit;
namespace ChocolArm64.Instruction
{
static partial class AInstEmit
{
public static void Brk(AILEmitterCtx Context)
{
EmitExceptionCall(Context, nameof(AThreadState.OnBreak));
}
public static void Svc(AILEmitterCtx Context)
{
EmitExceptionCall(Context, nameof(AThreadState.OnSvcCall));
}
private static void EmitExceptionCall(AILEmitterCtx Context, string MthdName)
{
AOpCodeException Op = (AOpCodeException)Context.CurrOp;
Context.EmitStoreState();
Context.EmitLdarg(ATranslatedSub.StateArgIdx);
Context.EmitLdc_I8(Op.Position);
Context.EmitLdc_I4(Op.Id);
Context.EmitPrivateCall(typeof(AThreadState), 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(ATranslatedSub.StateArgIdx);
Context.EmitCallPropGet(typeof(AThreadState), nameof(AThreadState.Running));
AILLabel LblEnd = new AILLabel();
Context.Emit(OpCodes.Brtrue_S, LblEnd);
Context.EmitLdc_I8(0);
Context.Emit(OpCodes.Ret);
Context.MarkLabel(LblEnd);
if (Context.CurrBlock.Next != null)
{
Context.EmitLoadState(Context.CurrBlock.Next);
}
else
{
Context.EmitLdc_I8(Op.Position + 4);
Context.Emit(OpCodes.Ret);
}
}
public static void Und(AILEmitterCtx Context)
{
AOpCode Op = Context.CurrOp;
Context.EmitStoreState();
Context.EmitLdarg(ATranslatedSub.StateArgIdx);
Context.EmitLdc_I8(Op.Position);
Context.EmitLdc_I4(Op.RawOpCode);
Context.EmitPrivateCall(typeof(AThreadState), nameof(AThreadState.OnUndefined));
if (Context.CurrBlock.Next != null)
{
Context.EmitLoadState(Context.CurrBlock.Next);
}
else
{
Context.EmitLdc_I8(Op.Position + 4);
Context.Emit(OpCodes.Ret);
}
}
}
}