Ryujinx-git/Ryujinx.HLE/HOS/Ipc/IpcPtrBuffDesc.cs

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using System.IO;
namespace Ryujinx.HLE.HOS.Ipc
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{
struct IpcPtrBuffDesc
{
public long Position { get; private set; }
public int Index { get; private set; }
public long Size { get; private set; }
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public IpcPtrBuffDesc(long position, int index, long size)
{
Position = position;
Index = index;
Size = size;
}
public IpcPtrBuffDesc(BinaryReader reader)
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{
long word0 = reader.ReadUInt32();
long word1 = reader.ReadUInt32();
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Position = word1;
Position |= (word0 << 20) & 0x0f00000000;
Position |= (word0 << 30) & 0x7000000000;
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Index = ((int)word0 >> 0) & 0x03f;
Index |= ((int)word0 >> 3) & 0x1c0;
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Size = (ushort)(word0 >> 16);
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}
public IpcPtrBuffDesc WithSize(long size)
{
return new IpcPtrBuffDesc(Position, Index, size);
}
public uint GetWord0()
{
uint word0;
word0 = (uint)((Position & 0x0f00000000) >> 20);
word0 |= (uint)((Position & 0x7000000000) >> 30);
word0 |= (uint)(Index & 0x03f) << 0;
word0 |= (uint)(Index & 0x1c0) << 3;
word0 |= (uint)Size << 16;
return word0;
}
public uint GetWord1()
{
return (uint)Position;
}
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}
}