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Removed parts of the MMU functionality to use memory directly (faster, but potentially more dangerous, WIP), also changed the Shl/Sshr immediate instructions to use IL instead of calling the method

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This commit is contained in:
gdkchan 2018-02-07 13:44:48 -03:00
parent d77d691381
commit 18ac1c4045
10 changed files with 89 additions and 188 deletions
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79
Ryujinx/Cpu/Memory/AMemory.cs
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@ -119,55 +119,22 @@ namespace ChocolArm64.Memory
public byte ReadByte(long Position)
{
return *((byte*)(RamPtr + Manager.GetPhys(Position, AMemoryPerm.Read)));
return *((byte*)(RamPtr + (uint)Position));
}
public ushort ReadUInt16(long Position)
{
long PhysPos = Manager.GetPhys(Position, AMemoryPerm.Read);
if (BitConverter.IsLittleEndian && !IsPageCrossed(Position, 2))
{
return *((ushort*)(RamPtr + PhysPos));
}
else
{
return (ushort)(
ReadByte(Position + 0) << 0 |
ReadByte(Position + 1) << 8);
}
return *((ushort*)(RamPtr + (uint)Position));
}
public uint ReadUInt32(long Position)
{
long PhysPos = Manager.GetPhys(Position, AMemoryPerm.Read);
if (BitConverter.IsLittleEndian && !IsPageCrossed(Position, 4))
{
return *((uint*)(RamPtr + PhysPos));
}
else
{
return (uint)(
ReadUInt16(Position + 0) << 0 |
ReadUInt16(Position + 2) << 16);
}
return *((uint*)(RamPtr + (uint)Position));
}
public ulong ReadUInt64(long Position)
{
long PhysPos = Manager.GetPhys(Position, AMemoryPerm.Read);
if (BitConverter.IsLittleEndian && !IsPageCrossed(Position, 8))
{
return *((ulong*)(RamPtr + PhysPos));
}
else
{
return
(ulong)ReadUInt32(Position + 0) << 0 |
(ulong)ReadUInt32(Position + 4) << 32;
}
return *((ulong*)(RamPtr + (uint)Position));
}
public AVec ReadVector128(long Position)
@ -186,52 +153,22 @@ namespace ChocolArm64.Memory
public void WriteByte(long Position, byte Value)
{
*((byte*)(RamPtr + Manager.GetPhys(Position, AMemoryPerm.Write))) = Value;
*((byte*)(RamPtr + (uint)Position)) = Value;
}
public void WriteUInt16(long Position, ushort Value)
{
long PhysPos = Manager.GetPhys(Position, AMemoryPerm.Write);
if (BitConverter.IsLittleEndian && !IsPageCrossed(Position, 2))
{
*((ushort*)(RamPtr + PhysPos)) = Value;
}
else
{
WriteByte(Position + 0, (byte)(Value >> 0));
WriteByte(Position + 1, (byte)(Value >> 8));
}
*((ushort*)(RamPtr + (uint)Position)) = Value;
}
public void WriteUInt32(long Position, uint Value)
{
long PhysPos = Manager.GetPhys(Position, AMemoryPerm.Write);
if (BitConverter.IsLittleEndian && !IsPageCrossed(Position, 4))
{
*((uint*)(RamPtr + PhysPos)) = Value;
}
else
{
WriteUInt16(Position + 0, (ushort)(Value >> 0));
WriteUInt16(Position + 2, (ushort)(Value >> 16));
}
*((uint*)(RamPtr + (uint)Position)) = Value;
}
public void WriteUInt64(long Position, ulong Value)
{
long PhysPos = Manager.GetPhys(Position, AMemoryPerm.Write);
if (BitConverter.IsLittleEndian && !IsPageCrossed(Position, 8))
{
*((ulong*)(RamPtr + PhysPos)) = Value;
}
else
{
WriteUInt32(Position + 0, (uint)(Value >> 0));
WriteUInt32(Position + 4, (uint)(Value >> 32));
}
*((ulong*)(RamPtr + (uint)Position)) = Value;
}
public void WriteVector128(long Position, AVec Value)