Ryujinx/Ryujinx.Horizon/Sdk/Sf/CommandSerialization.cs

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using Ryujinx.Horizon.Sdk.Sf.Cmif;
using Ryujinx.Horizon.Sdk.Sf.Hipc;
using Ryujinx.Memory;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Horizon.Sdk.Sf
{
static class CommandSerialization
{
public static ReadOnlySpan<byte> GetReadOnlySpan(PointerAndSize bufferRange)
{
return HorizonStatic.AddressSpace.GetSpan(bufferRange.Address, checked((int)bufferRange.Size));
}
public static WritableRegion GetWritableRegion(PointerAndSize bufferRange)
{
return HorizonStatic.AddressSpace.GetWritableRegion(bufferRange.Address, checked((int)bufferRange.Size));
}
public static ref T GetRef<T>(PointerAndSize bufferRange) where T : unmanaged
{
var writableRegion = GetWritableRegion(bufferRange);
return ref MemoryMarshal.Cast<byte, T>(writableRegion.Memory.Span)[0];
}
public static object DeserializeArg<T>(ref ServiceDispatchContext context, ReadOnlySpan<byte> inRawData, int offset) where T : unmanaged
{
return MemoryMarshal.Cast<byte, T>(inRawData.Slice(offset, Unsafe.SizeOf<T>()))[0];
}
public static T DeserializeArg<T>(ReadOnlySpan<byte> inRawData, int offset) where T : unmanaged
{
return MemoryMarshal.Cast<byte, T>(inRawData.Slice(offset, Unsafe.SizeOf<T>()))[0];
}
public static ulong DeserializeClientProcessId(ref ServiceDispatchContext context)
{
return context.Request.Pid;
}
public static int DeserializeCopyHandle(ref ServiceDispatchContext context, int index)
{
return context.Request.Data.CopyHandles[index];
}
public static int DeserializeMoveHandle(ref ServiceDispatchContext context, int index)
{
return context.Request.Data.MoveHandles[index];
}
public static void SerializeArg<T>(Span<byte> outRawData, int offset, T value) where T : unmanaged
{
MemoryMarshal.Cast<byte, T>(outRawData.Slice(offset, Unsafe.SizeOf<T>()))[0] = (T)value;
}
public static void SerializeCopyHandle(HipcMessageData response, int index, int value)
{
response.CopyHandles[index] = value;
}
public static void SerializeMoveHandle(HipcMessageData response, int index, int value)
{
response.MoveHandles[index] = value;
}
}
}