Ryujinx/Ryujinx.Tests/Cpu/CpuTest.cs

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using ChocolArm64;
using ChocolArm64.Memory;
using ChocolArm64.State;
using NUnit.Framework;
using System;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
using System.Threading;
namespace Ryujinx.Tests.Cpu
{
[TestFixture]
public class CpuTest
{
protected long Position { get; private set; }
private long Size;
private long EntryPoint;
private IntPtr RamPointer;
private AMemory Memory;
private AThread Thread;
[SetUp]
public void Setup()
{
Position = 0x0;
Size = 0x1000;
EntryPoint = Position;
ATranslator Translator = new ATranslator();
RamPointer = Marshal.AllocHGlobal(new IntPtr(Size));
Memory = new AMemory(RamPointer);
Memory.Map(Position, 0, Size);
Thread = new AThread(Translator, Memory, EntryPoint);
}
[TearDown]
public void Teardown()
{
Marshal.FreeHGlobal(RamPointer);
Memory = null;
Thread = null;
}
protected void Reset()
{
Teardown();
Setup();
}
protected void Opcode(uint Opcode)
{
Thread.Memory.WriteUInt32(Position, Opcode);
Position += 4;
}
protected void SetThreadState(ulong X0 = 0, ulong X1 = 0, ulong X2 = 0, ulong X3 = 0, ulong X31 = 0,
Vector128<float> V0 = default(Vector128<float>),
Vector128<float> V1 = default(Vector128<float>),
Vector128<float> V2 = default(Vector128<float>),
bool Overflow = false, bool Carry = false, bool Zero = false, bool Negative = false,
int Fpcr = 0x0, int Fpsr = 0x0)
{
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Thread.ThreadState.X0 = X0;
Thread.ThreadState.X1 = X1;
Thread.ThreadState.X2 = X2;
Thread.ThreadState.X3 = X3;
Thread.ThreadState.X31 = X31;
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Thread.ThreadState.V0 = V0;
Thread.ThreadState.V1 = V1;
Thread.ThreadState.V2 = V2;
Thread.ThreadState.Overflow = Overflow;
Thread.ThreadState.Carry = Carry;
Thread.ThreadState.Zero = Zero;
Thread.ThreadState.Negative = Negative;
Thread.ThreadState.Fpcr = Fpcr;
Thread.ThreadState.Fpsr = Fpsr;
}
protected void ExecuteOpcodes()
{
using (ManualResetEvent Wait = new ManualResetEvent(false))
{
Thread.ThreadState.Break += (sender, e) => Thread.StopExecution();
Thread.WorkFinished += (sender, e) => Wait.Set();
Thread.Execute();
Wait.WaitOne();
}
}
protected AThreadState GetThreadState()
{
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return Thread.ThreadState;
}
protected AThreadState SingleOpcode(uint Opcode,
ulong X0 = 0, ulong X1 = 0, ulong X2 = 0, ulong X3 = 0, ulong X31 = 0,
Vector128<float> V0 = default(Vector128<float>),
Vector128<float> V1 = default(Vector128<float>),
Vector128<float> V2 = default(Vector128<float>),
bool Overflow = false, bool Carry = false, bool Zero = false, bool Negative = false,
int Fpcr = 0x0, int Fpsr = 0x0)
{
this.Opcode(Opcode);
this.Opcode(0xD4200000); // BRK #0
this.Opcode(0xD65F03C0); // RET
SetThreadState(X0, X1, X2, X3, X31, V0, V1, V2, Overflow, Carry, Zero, Negative, Fpcr, Fpsr);
ExecuteOpcodes();
return GetThreadState();
}
protected static Vector128<float> MakeVectorE0(double E0)
{
return Sse.StaticCast<long, float>(Sse2.SetVector128(0, BitConverter.DoubleToInt64Bits(E0)));
}
protected static Vector128<float> MakeVectorE0E1(double E0, double E1)
{
return Sse.StaticCast<long, float>(Sse2.SetVector128(BitConverter.DoubleToInt64Bits(E1),
BitConverter.DoubleToInt64Bits(E0)));
}
protected static Vector128<float> MakeVectorE1(double E1)
{
return Sse.StaticCast<long, float>(Sse2.SetVector128(BitConverter.DoubleToInt64Bits(E1), 0));
}
protected static double VectorExtractDouble(Vector128<float> Vector, byte Index)
{
long Value = Sse41.Extract(Sse.StaticCast<float, long>(Vector), Index);
return BitConverter.Int64BitsToDouble(Value);
}
protected static Vector128<float> MakeVectorE0(ulong E0)
{
return Sse.StaticCast<ulong, float>(Sse2.SetVector128(0, E0));
}
protected static Vector128<float> MakeVectorE0E1(ulong E0, ulong E1)
{
return Sse.StaticCast<ulong, float>(Sse2.SetVector128(E1, E0));
}
protected static Vector128<float> MakeVectorE1(ulong E1)
{
return Sse.StaticCast<ulong, float>(Sse2.SetVector128(E1, 0));
}
protected static ulong GetVectorE0(Vector128<float> Vector)
{
return Sse41.Extract(Sse.StaticCast<float, ulong>(Vector), (byte)0);
}
protected static ulong GetVectorE1(Vector128<float> Vector)
{
return Sse41.Extract(Sse.StaticCast<float, ulong>(Vector), (byte)1);
}
}
}