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![Alex Barney](/assets/img/avatar_default.png)
* Rename enum fields
* Naming conventions
* Remove unneeded ".this"
* Remove unneeded semicolons
* Remove unused Usings
* Don't use var
* Remove unneeded enum underlying types
* Explicitly label class visibility
* Remove unneeded @ prefixes
* Remove unneeded commas
* Remove unneeded if expressions
* Method doesn't use unsafe code
* Remove unneeded casts
* Initialized objects don't need an empty constructor
* Remove settings from DotSettings
* Revert "Explicitly label class visibility"
This reverts commit ad5eb5787c
.
* Small changes
* Revert external enum renaming
* Changes from feedback
* Remove unneeded property setters
126 lines
3.0 KiB
C#
126 lines
3.0 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace Ryujinx.HLE
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{
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class DeviceMemory : IDisposable
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{
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public const long RamSize = 4L * 1024 * 1024 * 1024;
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public IntPtr RamPointer { get; }
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private unsafe byte* _ramPtr;
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public unsafe DeviceMemory()
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{
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RamPointer = Marshal.AllocHGlobal(new IntPtr(RamSize));
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_ramPtr = (byte*)RamPointer;
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}
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public sbyte ReadSByte(long position)
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{
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return (sbyte)ReadByte(position);
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}
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public short ReadInt16(long position)
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{
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return (short)ReadUInt16(position);
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}
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public int ReadInt32(long position)
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{
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return (int)ReadUInt32(position);
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}
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public long ReadInt64(long position)
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{
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return (long)ReadUInt64(position);
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}
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public unsafe byte ReadByte(long position)
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{
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return *(_ramPtr + position);
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}
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public unsafe ushort ReadUInt16(long position)
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{
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return *((ushort*)(_ramPtr + position));
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}
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public unsafe uint ReadUInt32(long position)
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{
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return *((uint*)(_ramPtr + position));
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}
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public unsafe ulong ReadUInt64(long position)
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{
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return *((ulong*)(_ramPtr + position));
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}
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public void WriteSByte(long position, sbyte value)
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{
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WriteByte(position, (byte)value);
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}
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public void WriteInt16(long position, short value)
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{
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WriteUInt16(position, (ushort)value);
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}
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public void WriteInt32(long position, int value)
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{
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WriteUInt32(position, (uint)value);
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}
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public void WriteInt64(long position, long value)
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{
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WriteUInt64(position, (ulong)value);
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}
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public unsafe void WriteByte(long position, byte value)
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{
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*(_ramPtr + position) = value;
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}
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public unsafe void WriteUInt16(long position, ushort value)
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{
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*((ushort*)(_ramPtr + position)) = value;
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}
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public unsafe void WriteUInt32(long position, uint value)
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{
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*((uint*)(_ramPtr + position)) = value;
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}
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public unsafe void WriteUInt64(long position, ulong value)
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{
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*((ulong*)(_ramPtr + position)) = value;
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}
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public void FillWithZeros(long position, int size)
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{
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int size8 = size & ~(8 - 1);
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for (int offs = 0; offs < size8; offs += 8)
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{
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WriteInt64(position + offs, 0);
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}
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for (int offs = size8; offs < (size - size8); offs++)
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{
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WriteByte(position + offs, 0);
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}
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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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}
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protected virtual void Dispose(bool disposing)
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{
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Marshal.FreeHGlobal(RamPointer);
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}
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}
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} |