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ryujinx-final/Ryujinx.Tests.Unicorn/UnicornAArch64.cs
Isaac Marovitz 851d81d24a
Fix Redundant Qualifer Warnings (#4091)
* Fix Redundant Qualifer Warnings

* Remove unnecessary using
2022-12-10 21:21:13 +01:00

325 lines
No EOL
9.4 KiB
C#

using Ryujinx.Tests.Unicorn.Native;
using Ryujinx.Tests.Unicorn.Native.Const;
using System;
namespace Ryujinx.Tests.Unicorn
{
public class UnicornAArch64 : IDisposable
{
internal readonly IntPtr uc;
private bool _isDisposed = false;
public IndexedProperty<int, ulong> X
{
get
{
return new IndexedProperty<int, ulong>(
(int i) => GetX(i),
(int i, ulong value) => SetX(i, value));
}
}
public IndexedProperty<int, SimdValue> Q
{
get
{
return new IndexedProperty<int, SimdValue>(
(int i) => GetQ(i),
(int i, SimdValue value) => SetQ(i, value));
}
}
public ulong LR
{
get => GetRegister(Arm64.REG_LR);
set => SetRegister(Arm64.REG_LR, value);
}
public ulong SP
{
get => GetRegister(Arm64.REG_SP);
set => SetRegister(Arm64.REG_SP, value);
}
public ulong PC
{
get => GetRegister(Arm64.REG_PC);
set => SetRegister(Arm64.REG_PC, value);
}
public uint Pstate
{
get => (uint)GetRegister(Arm64.REG_PSTATE);
set => SetRegister(Arm64.REG_PSTATE, (uint)value);
}
public int Fpcr
{
get => (int)GetRegister(Arm64.REG_FPCR);
set => SetRegister(Arm64.REG_FPCR, (uint)value);
}
public int Fpsr
{
get => (int)GetRegister(Arm64.REG_FPSR);
set => SetRegister(Arm64.REG_FPSR, (uint)value);
}
public bool OverflowFlag
{
get => (Pstate & 0x10000000u) != 0;
set => Pstate = (Pstate & ~0x10000000u) | (value ? 0x10000000u : 0u);
}
public bool CarryFlag
{
get => (Pstate & 0x20000000u) != 0;
set => Pstate = (Pstate & ~0x20000000u) | (value ? 0x20000000u : 0u);
}
public bool ZeroFlag
{
get => (Pstate & 0x40000000u) != 0;
set => Pstate = (Pstate & ~0x40000000u) | (value ? 0x40000000u : 0u);
}
public bool NegativeFlag
{
get => (Pstate & 0x80000000u) != 0;
set => Pstate = (Pstate & ~0x80000000u) | (value ? 0x80000000u : 0u);
}
public UnicornAArch64()
{
Interface.Checked(Interface.uc_open(Arch.ARM64, Mode.LITTLE_ENDIAN, out uc));
SetRegister(Arm64.REG_CPACR_EL1, 0x00300000);
}
~UnicornAArch64()
{
Dispose(false);
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (!_isDisposed)
{
Interface.Checked(Interface.uc_close(uc));
_isDisposed = true;
}
}
public void RunForCount(ulong count)
{
Interface.Checked(Interface.uc_emu_start(uc, this.PC, 0xFFFFFFFFFFFFFFFFu, 0, count));
}
public void Step()
{
RunForCount(1);
}
private static Arm64[] XRegisters = new Arm64[31]
{
Arm64.REG_X0,
Arm64.REG_X1,
Arm64.REG_X2,
Arm64.REG_X3,
Arm64.REG_X4,
Arm64.REG_X5,
Arm64.REG_X6,
Arm64.REG_X7,
Arm64.REG_X8,
Arm64.REG_X9,
Arm64.REG_X10,
Arm64.REG_X11,
Arm64.REG_X12,
Arm64.REG_X13,
Arm64.REG_X14,
Arm64.REG_X15,
Arm64.REG_X16,
Arm64.REG_X17,
Arm64.REG_X18,
Arm64.REG_X19,
Arm64.REG_X20,
Arm64.REG_X21,
Arm64.REG_X22,
Arm64.REG_X23,
Arm64.REG_X24,
Arm64.REG_X25,
Arm64.REG_X26,
Arm64.REG_X27,
Arm64.REG_X28,
Arm64.REG_X29,
Arm64.REG_X30,
};
private static Arm64[] QRegisters = new Arm64[32]
{
Arm64.REG_Q0,
Arm64.REG_Q1,
Arm64.REG_Q2,
Arm64.REG_Q3,
Arm64.REG_Q4,
Arm64.REG_Q5,
Arm64.REG_Q6,
Arm64.REG_Q7,
Arm64.REG_Q8,
Arm64.REG_Q9,
Arm64.REG_Q10,
Arm64.REG_Q11,
Arm64.REG_Q12,
Arm64.REG_Q13,
Arm64.REG_Q14,
Arm64.REG_Q15,
Arm64.REG_Q16,
Arm64.REG_Q17,
Arm64.REG_Q18,
Arm64.REG_Q19,
Arm64.REG_Q20,
Arm64.REG_Q21,
Arm64.REG_Q22,
Arm64.REG_Q23,
Arm64.REG_Q24,
Arm64.REG_Q25,
Arm64.REG_Q26,
Arm64.REG_Q27,
Arm64.REG_Q28,
Arm64.REG_Q29,
Arm64.REG_Q30,
Arm64.REG_Q31,
};
public ulong GetX(int index)
{
if ((uint)index > 30)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
return GetRegister(XRegisters[index]);
}
public void SetX(int index, ulong value)
{
if ((uint)index > 30)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
SetRegister(XRegisters[index], value);
}
public SimdValue GetQ(int index)
{
if ((uint)index > 31)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
return GetVector(QRegisters[index]);
}
public void SetQ(int index, SimdValue value)
{
if ((uint)index > 31)
{
throw new ArgumentOutOfRangeException(nameof(index));
}
SetVector(QRegisters[index], value);
}
private ulong GetRegister(Arm64 register)
{
byte[] data = new byte[8];
Interface.Checked(Interface.uc_reg_read(uc, (int)register, data));
return (ulong)BitConverter.ToInt64(data, 0);
}
private void SetRegister(Arm64 register, ulong value)
{
byte[] data = BitConverter.GetBytes(value);
Interface.Checked(Interface.uc_reg_write(uc, (int)register, data));
}
private SimdValue GetVector(Arm64 register)
{
byte[] data = new byte[16];
Interface.Checked(Interface.uc_reg_read(uc, (int)register, data));
return new SimdValue(data);
}
private void SetVector(Arm64 register, SimdValue value)
{
byte[] data = value.ToArray();
Interface.Checked(Interface.uc_reg_write(uc, (int)register, data));
}
public byte[] MemoryRead(ulong address, ulong size)
{
byte[] value = new byte[size];
Interface.Checked(Interface.uc_mem_read(uc, address, value, size));
return value;
}
public byte MemoryRead8 (ulong address) => MemoryRead(address, 1)[0];
public UInt16 MemoryRead16(ulong address) => (UInt16)BitConverter.ToInt16(MemoryRead(address, 2), 0);
public UInt32 MemoryRead32(ulong address) => (UInt32)BitConverter.ToInt32(MemoryRead(address, 4), 0);
public UInt64 MemoryRead64(ulong address) => (UInt64)BitConverter.ToInt64(MemoryRead(address, 8), 0);
public void MemoryWrite(ulong address, byte[] value)
{
Interface.Checked(Interface.uc_mem_write(uc, address, value, (ulong)value.Length));
}
public void MemoryWrite8 (ulong address, byte value) => MemoryWrite(address, new byte[]{value});
public void MemoryWrite16(ulong address, Int16 value) => MemoryWrite(address, BitConverter.GetBytes(value));
public void MemoryWrite16(ulong address, UInt16 value) => MemoryWrite(address, BitConverter.GetBytes(value));
public void MemoryWrite32(ulong address, Int32 value) => MemoryWrite(address, BitConverter.GetBytes(value));
public void MemoryWrite32(ulong address, UInt32 value) => MemoryWrite(address, BitConverter.GetBytes(value));
public void MemoryWrite64(ulong address, Int64 value) => MemoryWrite(address, BitConverter.GetBytes(value));
public void MemoryWrite64(ulong address, UInt64 value) => MemoryWrite(address, BitConverter.GetBytes(value));
public void MemoryMap(ulong address, ulong size, MemoryPermission permissions)
{
Interface.Checked(Interface.uc_mem_map(uc, address, size, (uint)permissions));
}
public void MemoryUnmap(ulong address, ulong size)
{
Interface.Checked(Interface.uc_mem_unmap(uc, address, size));
}
public void MemoryProtect(ulong address, ulong size, MemoryPermission permissions)
{
Interface.Checked(Interface.uc_mem_protect(uc, address, size, (uint)permissions));
}
public static bool IsAvailable()
{
try
{
Interface.uc_version(out _, out _);
}
catch (DllNotFoundException) { }
return Interface.IsUnicornAvailable;
}
}
}