using Ryujinx.HLE.HOS.Ipc; using Ryujinx.HLE.HOS.Kernel.Threading; using Ryujinx.Horizon.Common; using System; namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger { abstract class IHOSBinderDriver : IpcService { public IHOSBinderDriver() { } [CommandHipc(0)] // TransactParcel(s32, u32, u32, buffer<unknown, 5, 0>) -> buffer<unknown, 6, 0> public ResultCode TransactParcel(ServiceCtx context) { int binderId = context.RequestData.ReadInt32(); uint code = context.RequestData.ReadUInt32(); uint flags = context.RequestData.ReadUInt32(); ulong dataPos = context.Request.SendBuff[0].Position; ulong dataSize = context.Request.SendBuff[0].Size; ulong replyPos = context.Request.ReceiveBuff[0].Position; ulong replySize = context.Request.ReceiveBuff[0].Size; ReadOnlySpan<byte> inputParcel = context.Memory.GetSpan(dataPos, (int)dataSize); Span<byte> outputParcel = new Span<byte>(new byte[replySize]); ResultCode result = OnTransact(binderId, code, flags, inputParcel, outputParcel); if (result == ResultCode.Success) { context.Memory.Write(replyPos, outputParcel); } return result; } [CommandHipc(1)] // AdjustRefcount(s32, s32, s32) public ResultCode AdjustRefcount(ServiceCtx context) { int binderId = context.RequestData.ReadInt32(); int addVal = context.RequestData.ReadInt32(); int type = context.RequestData.ReadInt32(); return AdjustRefcount(binderId, addVal, type); } [CommandHipc(2)] // GetNativeHandle(s32, s32) -> handle<copy> public ResultCode GetNativeHandle(ServiceCtx context) { int binderId = context.RequestData.ReadInt32(); uint typeId = context.RequestData.ReadUInt32(); GetNativeHandle(binderId, typeId, out KReadableEvent readableEvent); if (context.Process.HandleTable.GenerateHandle(readableEvent, out int handle) != Result.Success) { throw new InvalidOperationException("Out of handles!"); } context.Response.HandleDesc = IpcHandleDesc.MakeMove(handle); return ResultCode.Success; } [CommandHipc(3)] // 3.0.0+ // TransactParcelAuto(s32, u32, u32, buffer<unknown, 21, 0>) -> buffer<unknown, 22, 0> public ResultCode TransactParcelAuto(ServiceCtx context) { int binderId = context.RequestData.ReadInt32(); uint code = context.RequestData.ReadUInt32(); uint flags = context.RequestData.ReadUInt32(); (ulong dataPos, ulong dataSize) = context.Request.GetBufferType0x21(); (ulong replyPos, ulong replySize) = context.Request.GetBufferType0x22(); ReadOnlySpan<byte> inputParcel = context.Memory.GetSpan(dataPos, (int)dataSize); Span<byte> outputParcel = new Span<byte>(new byte[replySize]); ResultCode result = OnTransact(binderId, code, flags, inputParcel, outputParcel); if (result == ResultCode.Success) { context.Memory.Write(replyPos, outputParcel); } return result; } protected abstract ResultCode AdjustRefcount(int binderId, int addVal, int type); protected abstract void GetNativeHandle(int binderId, uint typeId, out KReadableEvent readableEvent); protected abstract ResultCode OnTransact(int binderId, uint code, uint flags, ReadOnlySpan<byte> inputParcel, Span<byte> outputParcel); } }