1 files changed, 68 insertions, 0 deletions
diff --git a/Ryujinx.Horizon/Sdk/Sf/CommandSerialization.cs b/Ryujinx.Horizon/Sdk/Sf/CommandSerialization.cs
new file mode 100644
index 00000000..9a3a511a
--- /dev/null
+++ b/Ryujinx.Horizon/Sdk/Sf/CommandSerialization.cs
@@ -0,0 +1,68 @@
+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;
+        }
+    }
+}