ryujinx-backup/ChocolArm64
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Disable memory checks by default, even on debug, move ram memory allocation inside the CPU, since the size if fixed anyway, better heap region size

Browse source
This commit is contained in:
gdkchan 2018-03-09 23:12:57 -03:00
parent 9376a61229
commit 9aaf563df1
4 changed files with 49 additions and 74 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
AOptimizations.cs
View file

@ -1,4 +1,4 @@
public static class AOptimizations
{
public static bool EnableMemoryChecks = false;
}

2
AThread.cs
View file

@ -10,7 +10,7 @@ namespace ChocolArm64
public AThreadState ThreadState { get; private set; }
public AMemory Memory { get; private set; }
public long EntryPoint { get; private set; }
private long EntryPoint;
private ATranslator Translator;

113
Memory/AMemory.cs
View file

@ -3,10 +3,11 @@ using ChocolArm64.State;
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace ChocolArm64.Memory
{
public unsafe class AMemory
public unsafe class AMemory : IDisposable
{
private const long ErgMask = (4 << AThreadState.ErgSizeLog2) - 1;
@ -39,9 +40,11 @@ namespace ChocolArm64.Memory
private HashSet<long> ExAddrs;
public IntPtr Ram { get; private set; }
private byte* RamPtr;
public AMemory(IntPtr Ram)
public AMemory()
{
Manager = new AMemoryMgr();
@ -49,6 +52,8 @@ namespace ChocolArm64.Memory
ExAddrs = new HashSet<long>();
Ram = Marshal.AllocHGlobal((IntPtr)AMemoryMgr.RamSize + AMemoryMgr.PageSize);
RamPtr = (byte*)Ram;
}
@ -142,9 +147,7 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public byte ReadByte(long Position)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Read);
#endif
return *((byte*)(RamPtr + (uint)Position));
}
@ -152,9 +155,8 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public ushort ReadUInt16(long Position)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Read);
#endif
EnsureAccessIsValid(Position + 0, AMemoryPerm.Read);
EnsureAccessIsValid(Position + 1, AMemoryPerm.Read);
return *((ushort*)(RamPtr + (uint)Position));
}
@ -162,9 +164,8 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public uint ReadUInt32(long Position)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Read);
#endif
EnsureAccessIsValid(Position + 0, AMemoryPerm.Read);
EnsureAccessIsValid(Position + 3, AMemoryPerm.Read);
return *((uint*)(RamPtr + (uint)Position));
}
@ -172,9 +173,8 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public ulong ReadUInt64(long Position)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Read);
#endif
EnsureAccessIsValid(Position + 0, AMemoryPerm.Read);
EnsureAccessIsValid(Position + 7, AMemoryPerm.Read);
return *((ulong*)(RamPtr + (uint)Position));
}
@ -182,50 +182,30 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public AVec ReadVector8(long Position)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Read);
#endif
return new AVec() { B0 = ReadByte(Position) };
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public AVec ReadVector16(long Position)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Read);
#endif
return new AVec() { H0 = ReadUInt16(Position) };
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public AVec ReadVector32(long Position)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Read);
#endif
return new AVec() { W0 = ReadUInt32(Position) };
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public AVec ReadVector64(long Position)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Read);
#endif
return new AVec() { X0 = ReadUInt64(Position) };
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public AVec ReadVector128(long Position)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Read);
#endif
return new AVec()
{
X0 = ReadUInt64(Position + 0),
@ -241,9 +221,7 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void WriteByte(long Position, byte Value)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Write);
#endif
*((byte*)(RamPtr + (uint)Position)) = Value;
}
@ -251,9 +229,8 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void WriteUInt16(long Position, ushort Value)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Write);
#endif
EnsureAccessIsValid(Position + 0, AMemoryPerm.Write);
EnsureAccessIsValid(Position + 1, AMemoryPerm.Write);
*((ushort*)(RamPtr + (uint)Position)) = Value;
}
@ -261,9 +238,8 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void WriteUInt32(long Position, uint Value)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Write);
#endif
EnsureAccessIsValid(Position + 0, AMemoryPerm.Write);
EnsureAccessIsValid(Position + 3, AMemoryPerm.Write);
*((uint*)(RamPtr + (uint)Position)) = Value;
}
@ -271,9 +247,8 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void WriteUInt64(long Position, ulong Value)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Write);
#endif
EnsureAccessIsValid(Position + 0, AMemoryPerm.Write);
EnsureAccessIsValid(Position + 7, AMemoryPerm.Write);
*((ulong*)(RamPtr + (uint)Position)) = Value;
}
@ -281,64 +256,64 @@ namespace ChocolArm64.Memory
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void WriteVector8(long Position, AVec Value)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Write);
#endif
WriteByte(Position, Value.B0);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void WriteVector16(long Position, AVec Value)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Write);
#endif
WriteUInt16(Position, Value.H0);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void WriteVector32(long Position, AVec Value)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Write);
#endif
WriteUInt32(Position, Value.W0);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void WriteVector64(long Position, AVec Value)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Write);
#endif
WriteUInt64(Position, Value.X0);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void WriteVector128(long Position, AVec Value)
{
#if DEBUG
EnsureAccessIsValid(Position, AMemoryPerm.Write);
#endif
WriteUInt64(Position + 0, Value.X0);
WriteUInt64(Position + 8, Value.X1);
}
private void EnsureAccessIsValid(long Position, AMemoryPerm Perm)
{
if (!Manager.IsMapped(Position))
#if DEBUG
if (AOptimizations.EnableMemoryChecks)
{
throw new VmmPageFaultException(Position);
}
if (!Manager.IsMapped(Position))
{
throw new VmmPageFaultException(Position);
}
if (!Manager.HasPermission(Position, Perm))
if (!Manager.HasPermission(Position, Perm))
{
throw new VmmAccessViolationException(Position, Perm);
}
}
#endif
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
if (Ram != IntPtr.Zero)
{
throw new VmmAccessViolationException(Position, Perm);
Marshal.FreeHGlobal(Ram);
Ram = IntPtr.Zero;
}
}
}

6
Memory/AMemoryMgr.cs
View file

@ -4,8 +4,8 @@ namespace ChocolArm64.Memory
{
public class AMemoryMgr
{
public const long AddrSize = RamSize;
public const long RamSize = 4L * 1024 * 1024 * 1024;
public const long AddrSize = RamSize;
private const int PTLvl0Bits = 10;
private const int PTLvl1Bits = 10;
@ -19,8 +19,8 @@ namespace ChocolArm64.Memory
private const int PTLvl1Mask = PTLvl1Size - 1;
public const int PageMask = PageSize - 1;
private const int PTLvl0Bit = PTPageBits + PTLvl1Bits;
private const int PTLvl1Bit = PTPageBits;
private const int PTLvl0Bit = PTPageBits + PTLvl1Bits;
private const int PTLvl1Bit = PTPageBits;
private enum PTMap
{