mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-11-08 00:48:38 +00:00
453 lines
13 KiB
C#
453 lines
13 KiB
C#
using ARMeilleure.Memory;
|
|
using ARMeilleure.State;
|
|
using ARMeilleure.Translation;
|
|
using System;
|
|
using System.Runtime.InteropServices;
|
|
using System.Threading;
|
|
|
|
namespace ARMeilleure.Instructions
|
|
{
|
|
static class NativeInterface
|
|
{
|
|
private const int ErgSizeLog2 = 4;
|
|
|
|
private class ThreadContext
|
|
{
|
|
public State.ExecutionContext Context { get; }
|
|
public IMemoryManager Memory { get; }
|
|
public Translator Translator { get; }
|
|
|
|
public ulong ExclusiveAddress { get; set; }
|
|
public ulong ExclusiveValueLow { get; set; }
|
|
public ulong ExclusiveValueHigh { get; set; }
|
|
|
|
public ThreadContext(State.ExecutionContext context, IMemoryManager memory, Translator translator)
|
|
{
|
|
Context = context;
|
|
Memory = memory;
|
|
Translator = translator;
|
|
|
|
ExclusiveAddress = ulong.MaxValue;
|
|
}
|
|
}
|
|
|
|
[ThreadStatic]
|
|
private static ThreadContext _context;
|
|
|
|
public static void RegisterThread(State.ExecutionContext context, IMemoryManager memory, Translator translator)
|
|
{
|
|
_context = new ThreadContext(context, memory, translator);
|
|
}
|
|
|
|
public static void UnregisterThread()
|
|
{
|
|
_context = null;
|
|
}
|
|
|
|
public static void Break(ulong address, int imm)
|
|
{
|
|
Statistics.PauseTimer();
|
|
|
|
GetContext().OnBreak(address, imm);
|
|
|
|
Statistics.ResumeTimer();
|
|
}
|
|
|
|
public static void SupervisorCall(ulong address, int imm)
|
|
{
|
|
Statistics.PauseTimer();
|
|
|
|
GetContext().OnSupervisorCall(address, imm);
|
|
|
|
Statistics.ResumeTimer();
|
|
}
|
|
|
|
public static void Undefined(ulong address, int opCode)
|
|
{
|
|
Statistics.PauseTimer();
|
|
|
|
GetContext().OnUndefined(address, opCode);
|
|
|
|
Statistics.ResumeTimer();
|
|
}
|
|
|
|
#region "System registers"
|
|
public static ulong GetCtrEl0()
|
|
{
|
|
return (ulong)GetContext().CtrEl0;
|
|
}
|
|
|
|
public static ulong GetDczidEl0()
|
|
{
|
|
return (ulong)GetContext().DczidEl0;
|
|
}
|
|
|
|
public static ulong GetFpcr()
|
|
{
|
|
return (ulong)GetContext().Fpcr;
|
|
}
|
|
|
|
public static ulong GetFpsr()
|
|
{
|
|
return (ulong)GetContext().Fpsr;
|
|
}
|
|
|
|
public static uint GetFpscr()
|
|
{
|
|
var context = GetContext();
|
|
|
|
uint result = (uint)(context.Fpsr & FPSR.A32Mask) | (uint)(context.Fpcr & FPCR.A32Mask);
|
|
|
|
result |= context.GetFPstateFlag(FPState.NFlag) ? (1u << 31) : 0;
|
|
result |= context.GetFPstateFlag(FPState.ZFlag) ? (1u << 30) : 0;
|
|
result |= context.GetFPstateFlag(FPState.CFlag) ? (1u << 29) : 0;
|
|
result |= context.GetFPstateFlag(FPState.VFlag) ? (1u << 28) : 0;
|
|
|
|
return result;
|
|
}
|
|
|
|
public static ulong GetTpidrEl0()
|
|
{
|
|
return (ulong)GetContext().TpidrEl0;
|
|
}
|
|
|
|
public static uint GetTpidrEl032()
|
|
{
|
|
return (uint)GetContext().TpidrEl0;
|
|
}
|
|
|
|
public static ulong GetTpidr()
|
|
{
|
|
return (ulong)GetContext().Tpidr;
|
|
}
|
|
|
|
public static uint GetTpidr32()
|
|
{
|
|
return (uint)GetContext().Tpidr;
|
|
}
|
|
|
|
public static ulong GetCntfrqEl0()
|
|
{
|
|
return GetContext().CntfrqEl0;
|
|
}
|
|
|
|
public static ulong GetCntpctEl0()
|
|
{
|
|
return GetContext().CntpctEl0;
|
|
}
|
|
|
|
public static ulong GetCntvctEl0()
|
|
{
|
|
return GetContext().CntvctEl0;
|
|
}
|
|
|
|
public static void SetFpcr(ulong value)
|
|
{
|
|
GetContext().Fpcr = (FPCR)value;
|
|
}
|
|
|
|
public static void SetFpsr(ulong value)
|
|
{
|
|
GetContext().Fpsr = (FPSR)value;
|
|
}
|
|
|
|
public static void SetFpscr(uint value)
|
|
{
|
|
var context = GetContext();
|
|
|
|
context.SetFPstateFlag(FPState.NFlag, (value & (1u << 31)) != 0);
|
|
context.SetFPstateFlag(FPState.ZFlag, (value & (1u << 30)) != 0);
|
|
context.SetFPstateFlag(FPState.CFlag, (value & (1u << 29)) != 0);
|
|
context.SetFPstateFlag(FPState.VFlag, (value & (1u << 28)) != 0);
|
|
|
|
context.Fpsr = FPSR.A32Mask & (FPSR)value;
|
|
context.Fpcr = FPCR.A32Mask & (FPCR)value;
|
|
}
|
|
|
|
public static void SetTpidrEl0(ulong value)
|
|
{
|
|
GetContext().TpidrEl0 = (long)value;
|
|
}
|
|
|
|
public static void SetTpidrEl032(uint value)
|
|
{
|
|
GetContext().TpidrEl0 = (long)value;
|
|
}
|
|
#endregion
|
|
|
|
#region "Read"
|
|
public static byte ReadByte(ulong address)
|
|
{
|
|
return GetMemoryManager().Read<byte>(address);
|
|
}
|
|
|
|
public static ushort ReadUInt16(ulong address)
|
|
{
|
|
return GetMemoryManager().Read<ushort>(address);
|
|
}
|
|
|
|
public static uint ReadUInt32(ulong address)
|
|
{
|
|
return GetMemoryManager().Read<uint>(address);
|
|
}
|
|
|
|
public static ulong ReadUInt64(ulong address)
|
|
{
|
|
return GetMemoryManager().Read<ulong>(address);
|
|
}
|
|
|
|
public static V128 ReadVector128(ulong address)
|
|
{
|
|
return GetMemoryManager().Read<V128>(address);
|
|
}
|
|
#endregion
|
|
|
|
#region "Read exclusive"
|
|
public static byte ReadByteExclusive(ulong address)
|
|
{
|
|
byte value = _context.Memory.Read<byte>(address);
|
|
|
|
_context.ExclusiveAddress = GetMaskedExclusiveAddress(address);
|
|
_context.ExclusiveValueLow = value;
|
|
_context.ExclusiveValueHigh = 0;
|
|
|
|
return value;
|
|
}
|
|
|
|
public static ushort ReadUInt16Exclusive(ulong address)
|
|
{
|
|
ushort value = _context.Memory.Read<ushort>(address);
|
|
|
|
_context.ExclusiveAddress = GetMaskedExclusiveAddress(address);
|
|
_context.ExclusiveValueLow = value;
|
|
_context.ExclusiveValueHigh = 0;
|
|
|
|
return value;
|
|
}
|
|
|
|
public static uint ReadUInt32Exclusive(ulong address)
|
|
{
|
|
uint value = _context.Memory.Read<uint>(address);
|
|
|
|
_context.ExclusiveAddress = GetMaskedExclusiveAddress(address);
|
|
_context.ExclusiveValueLow = value;
|
|
_context.ExclusiveValueHigh = 0;
|
|
|
|
return value;
|
|
}
|
|
|
|
public static ulong ReadUInt64Exclusive(ulong address)
|
|
{
|
|
ulong value = _context.Memory.Read<ulong>(address);
|
|
|
|
_context.ExclusiveAddress = GetMaskedExclusiveAddress(address);
|
|
_context.ExclusiveValueLow = value;
|
|
_context.ExclusiveValueHigh = 0;
|
|
|
|
return value;
|
|
}
|
|
|
|
public static V128 ReadVector128Exclusive(ulong address)
|
|
{
|
|
V128 value = MemoryManagerPal.AtomicLoad128(ref _context.Memory.GetRef<V128>(address));
|
|
|
|
_context.ExclusiveAddress = GetMaskedExclusiveAddress(address);
|
|
_context.ExclusiveValueLow = value.Extract<ulong>(0);
|
|
_context.ExclusiveValueHigh = value.Extract<ulong>(1);
|
|
|
|
return value;
|
|
}
|
|
#endregion
|
|
|
|
#region "Write"
|
|
public static void WriteByte(ulong address, byte value)
|
|
{
|
|
GetMemoryManager().Write(address, value);
|
|
}
|
|
|
|
public static void WriteUInt16(ulong address, ushort value)
|
|
{
|
|
GetMemoryManager().Write(address, value);
|
|
}
|
|
|
|
public static void WriteUInt32(ulong address, uint value)
|
|
{
|
|
GetMemoryManager().Write(address, value);
|
|
}
|
|
|
|
public static void WriteUInt64(ulong address, ulong value)
|
|
{
|
|
GetMemoryManager().Write(address, value);
|
|
}
|
|
|
|
public static void WriteVector128(ulong address, V128 value)
|
|
{
|
|
GetMemoryManager().Write(address, value);
|
|
}
|
|
#endregion
|
|
|
|
#region "Write exclusive"
|
|
public static int WriteByteExclusive(ulong address, byte value)
|
|
{
|
|
bool success = _context.ExclusiveAddress == GetMaskedExclusiveAddress(address);
|
|
|
|
if (success)
|
|
{
|
|
ref int valueRef = ref _context.Memory.GetRefNoChecks<int>(address);
|
|
|
|
int currentValue = valueRef;
|
|
|
|
byte expected = (byte)_context.ExclusiveValueLow;
|
|
|
|
int expected32 = (currentValue & ~byte.MaxValue) | expected;
|
|
int desired32 = (currentValue & ~byte.MaxValue) | value;
|
|
|
|
success = Interlocked.CompareExchange(ref valueRef, desired32, expected32) == expected32;
|
|
|
|
if (success)
|
|
{
|
|
ClearExclusive();
|
|
}
|
|
}
|
|
|
|
return success ? 0 : 1;
|
|
}
|
|
|
|
public static int WriteUInt16Exclusive(ulong address, ushort value)
|
|
{
|
|
bool success = _context.ExclusiveAddress == GetMaskedExclusiveAddress(address);
|
|
|
|
if (success)
|
|
{
|
|
ref int valueRef = ref _context.Memory.GetRefNoChecks<int>(address);
|
|
|
|
int currentValue = valueRef;
|
|
|
|
ushort expected = (ushort)_context.ExclusiveValueLow;
|
|
|
|
int expected32 = (currentValue & ~ushort.MaxValue) | expected;
|
|
int desired32 = (currentValue & ~ushort.MaxValue) | value;
|
|
|
|
success = Interlocked.CompareExchange(ref valueRef, desired32, expected32) == expected32;
|
|
|
|
if (success)
|
|
{
|
|
ClearExclusive();
|
|
}
|
|
}
|
|
|
|
return success ? 0 : 1;
|
|
}
|
|
|
|
public static int WriteUInt32Exclusive(ulong address, uint value)
|
|
{
|
|
bool success = _context.ExclusiveAddress == GetMaskedExclusiveAddress(address);
|
|
|
|
if (success)
|
|
{
|
|
ref int valueRef = ref _context.Memory.GetRef<int>(address);
|
|
|
|
success = Interlocked.CompareExchange(ref valueRef, (int)value, (int)_context.ExclusiveValueLow) == (int)_context.ExclusiveValueLow;
|
|
|
|
if (success)
|
|
{
|
|
ClearExclusive();
|
|
}
|
|
}
|
|
|
|
return success ? 0 : 1;
|
|
}
|
|
|
|
public static int WriteUInt64Exclusive(ulong address, ulong value)
|
|
{
|
|
bool success = _context.ExclusiveAddress == GetMaskedExclusiveAddress(address);
|
|
|
|
if (success)
|
|
{
|
|
ref long valueRef = ref _context.Memory.GetRef<long>(address);
|
|
|
|
success = Interlocked.CompareExchange(ref valueRef, (long)value, (long)_context.ExclusiveValueLow) == (long)_context.ExclusiveValueLow;
|
|
|
|
if (success)
|
|
{
|
|
ClearExclusive();
|
|
}
|
|
}
|
|
|
|
return success ? 0 : 1;
|
|
}
|
|
|
|
public static int WriteVector128Exclusive(ulong address, V128 value)
|
|
{
|
|
bool success = _context.ExclusiveAddress == GetMaskedExclusiveAddress(address);
|
|
|
|
if (success)
|
|
{
|
|
V128 expected = new V128(_context.ExclusiveValueLow, _context.ExclusiveValueHigh);
|
|
|
|
ref V128 location = ref _context.Memory.GetRef<V128>(address);
|
|
|
|
success = MemoryManagerPal.CompareAndSwap128(ref location, expected, value) == expected;
|
|
|
|
if (success)
|
|
{
|
|
ClearExclusive();
|
|
}
|
|
}
|
|
|
|
return success ? 0 : 1;
|
|
}
|
|
#endregion
|
|
|
|
private static ulong GetMaskedExclusiveAddress(ulong address)
|
|
{
|
|
return address & ~((4UL << ErgSizeLog2) - 1);
|
|
}
|
|
|
|
public static ulong GetFunctionAddress(ulong address)
|
|
{
|
|
TranslatedFunction function = _context.Translator.GetOrTranslate(address, GetContext().ExecutionMode);
|
|
return (ulong)function.GetPointer().ToInt64();
|
|
}
|
|
|
|
public static ulong GetIndirectFunctionAddress(ulong address, ulong entryAddress)
|
|
{
|
|
TranslatedFunction function = _context.Translator.GetOrTranslate(address, GetContext().ExecutionMode);
|
|
ulong ptr = (ulong)function.GetPointer().ToInt64();
|
|
if (function.HighCq)
|
|
{
|
|
// Rewrite the host function address in the table to point to the highCq function.
|
|
Marshal.WriteInt64((IntPtr)entryAddress, 8, (long)ptr);
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
public static void ClearExclusive()
|
|
{
|
|
_context.ExclusiveAddress = ulong.MaxValue;
|
|
}
|
|
|
|
public static bool CheckSynchronization()
|
|
{
|
|
Statistics.PauseTimer();
|
|
|
|
var context = GetContext();
|
|
|
|
context.CheckInterrupt();
|
|
|
|
Statistics.ResumeTimer();
|
|
|
|
return context.Running;
|
|
}
|
|
|
|
public static State.ExecutionContext GetContext()
|
|
{
|
|
return _context.Context;
|
|
}
|
|
|
|
public static IMemoryManager GetMemoryManager()
|
|
{
|
|
return _context.Memory;
|
|
}
|
|
}
|
|
} |