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.Threading;
namespace Ryujinx.Tests.Cpu
{
[TestFixture]
public class CpuTest
{
protected long Position { get; private set; }
private long Size;
private long EntryPoint;
private IntPtr Ram;
private AMemoryAlloc Allocator;
private AMemory Memory;
private AThread Thread;
[SetUp]
public void Setup()
{
Position = 0x0;
Size = 0x1000;
EntryPoint = Position;
Ram = Marshal.AllocHGlobal((IntPtr)AMemoryMgr.RamSize);
Allocator = new AMemoryAlloc();
Memory = new AMemory(Ram, Allocator);
Memory.Manager.MapPhys(Position, Size, 2, AMemoryPerm.Read | AMemoryPerm.Write | AMemoryPerm.Execute);
Thread = new AThread(Memory, ThreadPriority.Normal, EntryPoint);
}
[TearDown]
public void Teardown()
{
Thread = null;
Memory = null;
Allocator = null;
Marshal.FreeHGlobal(Ram);
}
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,
AVec V0 = default(AVec), AVec V1 = default(AVec), AVec V2 = default(AVec),
bool Overflow = false, bool Carry = false, bool Zero = false, bool Negative = false)
{
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Thread.ThreadState.X0 = X0;
Thread.ThreadState.X1 = X1;
Thread.ThreadState.X2 = X2;
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;
}
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,
AVec V0 = default(AVec), AVec V1 = default(AVec), AVec V2 = default(AVec),
bool Overflow = false, bool Carry = false, bool Zero = false, bool Negative = false)
{
this.Opcode(Opcode);
this.Opcode(0xD4200000); // BRK #0
this.Opcode(0xD65F03C0); // RET
SetThreadState(X0, X1, X2, V0, V1, V2, Overflow, Carry, Zero, Negative);
ExecuteOpcodes();
return GetThreadState();
}
}
}