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using ARMeilleure.Memory;
using ARMeilleure.State;
using ARMeilleure.Translation;
using System;
namespace ARMeilleure.Instructions
{
static class NativeInterface
{
private class ThreadContext
{
public ExecutionContext Context { get; }
public IMemoryManager Memory { get; }
public Translator Translator { get; }
public ThreadContext(ExecutionContext context, IMemoryManager memory, Translator translator)
{
Context = context;
Memory = memory;
Translator = translator;
}
}
[ThreadStatic]
private static ThreadContext Context;
public static void RegisterThread(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 GetContext().CtrEl0;
}
public static ulong GetDczidEl0()
{
return GetContext().DczidEl0;
}
public static ulong GetCntfrqEl0()
{
return GetContext().CntfrqEl0;
}
public static ulong GetCntpctEl0()
{
return GetContext().CntpctEl0;
}
public static ulong GetCntvctEl0()
{
return GetContext().CntvctEl0;
}
#endregion
#region "Read"
public static byte ReadByte(ulong address)
{
return GetMemoryManager().ReadGuest<byte>(address);
}
public static ushort ReadUInt16(ulong address)
{
return GetMemoryManager().ReadGuest<ushort>(address);
}
public static uint ReadUInt32(ulong address)
{
return GetMemoryManager().ReadGuest<uint>(address);
}
public static ulong ReadUInt64(ulong address)
{
return GetMemoryManager().ReadGuest<ulong>(address);
}
public static V128 ReadVector128(ulong address)
{
return GetMemoryManager().ReadGuest<V128>(address);
}
#endregion
#region "Write"
public static void WriteByte(ulong address, byte value)
{
GetMemoryManager().WriteGuest(address, value);
}
public static void WriteUInt16(ulong address, ushort value)
{
GetMemoryManager().WriteGuest(address, value);
}
public static void WriteUInt32(ulong address, uint value)
{
GetMemoryManager().WriteGuest(address, value);
}
public static void WriteUInt64(ulong address, ulong value)
{
GetMemoryManager().WriteGuest(address, value);
}
public static void WriteVector128(ulong address, V128 value)
{
GetMemoryManager().WriteGuest(address, value);
}
#endregion
public static void EnqueueForRejit(ulong address)
{
Context.Translator.EnqueueForRejit(address, GetContext().ExecutionMode);
}
public static void SignalMemoryTracking(ulong address, ulong size, bool write)
{
GetMemoryManager().SignalMemoryTracking(address, size, write);
}
public static void ThrowInvalidMemoryAccess(ulong address)
{
throw new InvalidAccessException(address);
}
public static ulong GetFunctionAddress(ulong address)
{
TranslatedFunction function = Context.Translator.GetOrTranslate(address, GetContext().ExecutionMode);
return (ulong)function.FuncPointer.ToInt64();
}
public static void InvalidateCacheLine(ulong address)
{
Context.Translator.InvalidateJitCacheRegion(address, InstEmit.DczSizeInBytes);
}
public static bool CheckSynchronization()
{
Statistics.PauseTimer();
ExecutionContext context = GetContext();
context.CheckInterrupt();
Statistics.ResumeTimer();
return context.Running;
}
public static ExecutionContext GetContext()
{
return Context.Context;
}
public static IMemoryManager GetMemoryManager()
{
return Context.Memory;
}
}
}
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