mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-16 21:46:39 +00:00
325 lines
9.4 KiB
C#
325 lines
9.4 KiB
C#
using Ryujinx.Tests.Unicorn.Native;
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using Ryujinx.Tests.Unicorn.Native.Const;
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using System;
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namespace Ryujinx.Tests.Unicorn
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{
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public class UnicornAArch64 : IDisposable
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{
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internal readonly IntPtr uc;
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private bool _isDisposed = false;
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public IndexedProperty<int, ulong> X
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{
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get
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{
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return new IndexedProperty<int, ulong>(
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(int i) => GetX(i),
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(int i, ulong value) => SetX(i, value));
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}
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}
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public IndexedProperty<int, SimdValue> Q
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{
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get
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{
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return new IndexedProperty<int, SimdValue>(
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(int i) => GetQ(i),
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(int i, SimdValue value) => SetQ(i, value));
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}
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}
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public ulong LR
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{
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get => GetRegister(Arm64.REG_LR);
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set => SetRegister(Arm64.REG_LR, value);
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}
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public ulong SP
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{
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get => GetRegister(Arm64.REG_SP);
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set => SetRegister(Arm64.REG_SP, value);
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}
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public ulong PC
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{
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get => GetRegister(Arm64.REG_PC);
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set => SetRegister(Arm64.REG_PC, value);
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}
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public uint Pstate
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{
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get => (uint)GetRegister(Arm64.REG_PSTATE);
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set => SetRegister(Arm64.REG_PSTATE, (uint)value);
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}
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public int Fpcr
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{
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get => (int)GetRegister(Arm64.REG_FPCR);
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set => SetRegister(Arm64.REG_FPCR, (uint)value);
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}
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public int Fpsr
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{
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get => (int)GetRegister(Arm64.REG_FPSR);
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set => SetRegister(Arm64.REG_FPSR, (uint)value);
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}
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public bool OverflowFlag
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{
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get => (Pstate & 0x10000000u) != 0;
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set => Pstate = (Pstate & ~0x10000000u) | (value ? 0x10000000u : 0u);
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}
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public bool CarryFlag
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{
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get => (Pstate & 0x20000000u) != 0;
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set => Pstate = (Pstate & ~0x20000000u) | (value ? 0x20000000u : 0u);
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}
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public bool ZeroFlag
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{
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get => (Pstate & 0x40000000u) != 0;
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set => Pstate = (Pstate & ~0x40000000u) | (value ? 0x40000000u : 0u);
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}
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public bool NegativeFlag
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{
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get => (Pstate & 0x80000000u) != 0;
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set => Pstate = (Pstate & ~0x80000000u) | (value ? 0x80000000u : 0u);
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}
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public UnicornAArch64()
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{
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Interface.Checked(Interface.uc_open(Arch.ARM64, Mode.LITTLE_ENDIAN, out uc));
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SetRegister(Arm64.REG_CPACR_EL1, 0x00300000);
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}
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~UnicornAArch64()
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{
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Dispose(false);
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}
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (!_isDisposed)
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{
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Interface.Checked(Interface.uc_close(uc));
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_isDisposed = true;
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}
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}
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public void RunForCount(ulong count)
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{
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Interface.Checked(Interface.uc_emu_start(uc, this.PC, 0xFFFFFFFFFFFFFFFFu, 0, count));
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}
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public void Step()
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{
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RunForCount(1);
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}
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private static Arm64[] XRegisters = new Arm64[31]
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{
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Arm64.REG_X0,
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Arm64.REG_X1,
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Arm64.REG_X2,
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Arm64.REG_X3,
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Arm64.REG_X4,
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Arm64.REG_X5,
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Arm64.REG_X6,
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Arm64.REG_X7,
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Arm64.REG_X8,
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Arm64.REG_X9,
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Arm64.REG_X10,
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Arm64.REG_X11,
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Arm64.REG_X12,
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Arm64.REG_X13,
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Arm64.REG_X14,
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Arm64.REG_X15,
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Arm64.REG_X16,
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Arm64.REG_X17,
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Arm64.REG_X18,
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Arm64.REG_X19,
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Arm64.REG_X20,
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Arm64.REG_X21,
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Arm64.REG_X22,
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Arm64.REG_X23,
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Arm64.REG_X24,
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Arm64.REG_X25,
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Arm64.REG_X26,
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Arm64.REG_X27,
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Arm64.REG_X28,
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Arm64.REG_X29,
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Arm64.REG_X30,
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};
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private static Arm64[] QRegisters = new Arm64[32]
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{
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Arm64.REG_Q0,
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Arm64.REG_Q1,
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Arm64.REG_Q2,
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Arm64.REG_Q3,
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Arm64.REG_Q4,
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Arm64.REG_Q5,
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Arm64.REG_Q6,
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Arm64.REG_Q7,
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Arm64.REG_Q8,
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Arm64.REG_Q9,
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Arm64.REG_Q10,
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Arm64.REG_Q11,
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Arm64.REG_Q12,
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Arm64.REG_Q13,
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Arm64.REG_Q14,
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Arm64.REG_Q15,
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Arm64.REG_Q16,
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Arm64.REG_Q17,
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Arm64.REG_Q18,
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Arm64.REG_Q19,
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Arm64.REG_Q20,
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Arm64.REG_Q21,
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Arm64.REG_Q22,
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Arm64.REG_Q23,
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Arm64.REG_Q24,
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Arm64.REG_Q25,
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Arm64.REG_Q26,
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Arm64.REG_Q27,
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Arm64.REG_Q28,
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Arm64.REG_Q29,
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Arm64.REG_Q30,
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Arm64.REG_Q31,
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};
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public ulong GetX(int index)
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{
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if ((uint)index > 30)
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{
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throw new ArgumentOutOfRangeException(nameof(index));
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}
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return GetRegister(XRegisters[index]);
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}
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public void SetX(int index, ulong value)
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{
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if ((uint)index > 30)
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{
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throw new ArgumentOutOfRangeException(nameof(index));
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}
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SetRegister(XRegisters[index], value);
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}
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public SimdValue GetQ(int index)
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{
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if ((uint)index > 31)
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{
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throw new ArgumentOutOfRangeException(nameof(index));
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}
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return GetVector(QRegisters[index]);
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}
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public void SetQ(int index, SimdValue value)
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{
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if ((uint)index > 31)
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{
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throw new ArgumentOutOfRangeException(nameof(index));
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}
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SetVector(QRegisters[index], value);
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}
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private ulong GetRegister(Arm64 register)
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{
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byte[] data = new byte[8];
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Interface.Checked(Interface.uc_reg_read(uc, (int)register, data));
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return (ulong)BitConverter.ToInt64(data, 0);
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}
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private void SetRegister(Arm64 register, ulong value)
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{
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byte[] data = BitConverter.GetBytes(value);
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Interface.Checked(Interface.uc_reg_write(uc, (int)register, data));
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}
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private SimdValue GetVector(Arm64 register)
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{
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byte[] data = new byte[16];
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Interface.Checked(Interface.uc_reg_read(uc, (int)register, data));
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return new SimdValue(data);
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}
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private void SetVector(Arm64 register, SimdValue value)
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{
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byte[] data = value.ToArray();
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Interface.Checked(Interface.uc_reg_write(uc, (int)register, data));
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}
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public byte[] MemoryRead(ulong address, ulong size)
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{
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byte[] value = new byte[size];
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Interface.Checked(Interface.uc_mem_read(uc, address, value, size));
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return value;
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}
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public byte MemoryRead8 (ulong address) => MemoryRead(address, 1)[0];
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public UInt16 MemoryRead16(ulong address) => (UInt16)BitConverter.ToInt16(MemoryRead(address, 2), 0);
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public UInt32 MemoryRead32(ulong address) => (UInt32)BitConverter.ToInt32(MemoryRead(address, 4), 0);
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public UInt64 MemoryRead64(ulong address) => (UInt64)BitConverter.ToInt64(MemoryRead(address, 8), 0);
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public void MemoryWrite(ulong address, byte[] value)
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{
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Interface.Checked(Interface.uc_mem_write(uc, address, value, (ulong)value.Length));
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}
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public void MemoryWrite8 (ulong address, byte value) => MemoryWrite(address, new byte[]{value});
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public void MemoryWrite16(ulong address, Int16 value) => MemoryWrite(address, BitConverter.GetBytes(value));
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public void MemoryWrite16(ulong address, UInt16 value) => MemoryWrite(address, BitConverter.GetBytes(value));
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public void MemoryWrite32(ulong address, Int32 value) => MemoryWrite(address, BitConverter.GetBytes(value));
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public void MemoryWrite32(ulong address, UInt32 value) => MemoryWrite(address, BitConverter.GetBytes(value));
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public void MemoryWrite64(ulong address, Int64 value) => MemoryWrite(address, BitConverter.GetBytes(value));
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public void MemoryWrite64(ulong address, UInt64 value) => MemoryWrite(address, BitConverter.GetBytes(value));
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public void MemoryMap(ulong address, ulong size, MemoryPermission permissions)
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{
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Interface.Checked(Interface.uc_mem_map(uc, address, size, (uint)permissions));
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}
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public void MemoryUnmap(ulong address, ulong size)
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{
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Interface.Checked(Interface.uc_mem_unmap(uc, address, size));
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}
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public void MemoryProtect(ulong address, ulong size, MemoryPermission permissions)
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{
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Interface.Checked(Interface.uc_mem_protect(uc, address, size, (uint)permissions));
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}
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public static bool IsAvailable()
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{
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try
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{
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Interface.uc_version(out _, out _);
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}
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catch (DllNotFoundException) { }
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return Interface.IsUnicornAvailable;
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}
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}
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} |