SMO stubs and implementations (#129)

* WIP SMO stubs and implementations

* fixes?

* Add StorageHelper

* Whoops

* Compliant with review.

* Remove unnecessary usings

22 files changed, 449 insertions, 109 deletions

diff --git a/Ryujinx.Core/Logging/LogClass.cs b/Ryujinx.Core/Logging/LogClass.cs
index 0d9801ff..d26855d0 100644
--- a/Ryujinx.Core/Logging/LogClass.cs
+++ b/Ryujinx.Core/Logging/LogClass.cs
@@ -23,6 +23,7 @@ namespace Ryujinx.Core.Logging
         ServiceHid,
         ServiceLm,
         ServiceMm,
+        ServiceNfp,
         ServiceNifm,
         ServiceNs,
         ServiceNv,
@@ -32,6 +33,7 @@ namespace Ryujinx.Core.Logging
         ServiceSet,
         ServiceSfdnsres,
         ServiceSm,
+        ServiceSsl,
         ServiceSss,
         ServiceTime,
         ServiceVi
diff --git a/Ryujinx.Core/OsHle/Ipc/IpcMessage.cs b/Ryujinx.Core/OsHle/Ipc/IpcMessage.cs
index afcbb3a4..c985a4bb 100644
--- a/Ryujinx.Core/OsHle/Ipc/IpcMessage.cs
+++ b/Ryujinx.Core/OsHle/Ipc/IpcMessage.cs
@@ -174,34 +174,34 @@ namespace Ryujinx.Core.OsHle.Ipc
             return 0;
         }
 
-        public long GetBufferType0x21Position()
+        public (long Position, long Size) GetBufferType0x21()
         {
-            if (PtrBuff.Count > 0 && PtrBuff[0].Position != 0)
+            if (PtrBuff.Count > 0 && PtrBuff[0].Position != 0 && PtrBuff[0].Size != 0)
             {
-                return PtrBuff[0].Position;
+                return (PtrBuff[0].Position, PtrBuff[0].Size);
             }
 
-            if (SendBuff.Count > 0)
+            if (SendBuff.Count > 0 && SendBuff[0].Position != 0 && SendBuff[0].Size != 0)
             {
-                return SendBuff[0].Position;
+                return (SendBuff[0].Position, SendBuff[0].Size);
             }
 
-            return 0;
+            return (0, 0);
         }
 
-        public long GetBufferType0x22Position()
+        public (long Position, long Size) GetBufferType0x22()
         {
-            if (RecvListBuff.Count > 0 && RecvListBuff[0].Position != 0)
+            if (RecvListBuff.Count > 0 && RecvListBuff[0].Position != 0 && RecvListBuff[0].Size != 0)
             {
-                return RecvListBuff[0].Position;
+                return (RecvListBuff[0].Position, RecvListBuff[0].Size);
             }
 
-            if (ReceiveBuff.Count > 0)
+            if (ReceiveBuff.Count > 0 && ReceiveBuff[0].Position != 0 && ReceiveBuff[0].Size != 0)
             {
-                return ReceiveBuff[0].Position;
+                return (ReceiveBuff[0].Position, ReceiveBuff[0].Size);
             }
 
-            return 0;
+            return (0, 0);
         }
     }
 }
diff --git a/Ryujinx.Core/OsHle/Services/Acc/IAccountServiceForApplication.cs b/Ryujinx.Core/OsHle/Services/Acc/IAccountServiceForApplication.cs
index 7b09b5f0..84fb62bd 100644
--- a/Ryujinx.Core/OsHle/Services/Acc/IAccountServiceForApplication.cs
+++ b/Ryujinx.Core/OsHle/Services/Acc/IAccountServiceForApplication.cs
@@ -16,6 +16,7 @@ namespace Ryujinx.Core.OsHle.Services.Acc
             {
                 { 0,   GetUserCount                        },
                 { 3,   ListOpenUsers                       },
+                { 4,   GetLastOpenedUser                   },
                 { 5,   GetProfile                          },
                 { 100, InitializeApplicationInfo           },
                 { 101, GetBaasAccountManagerForApplication }
@@ -38,6 +39,16 @@ namespace Ryujinx.Core.OsHle.Services.Acc
             return 0;
         }
 
+        public long GetLastOpenedUser(ServiceCtx Context)
+        {
+            Context.ResponseData.Write(0L);
+            Context.ResponseData.Write(0L);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAcc, "Stubbed.");
+
+            return 0;
+        }
+
         public long GetProfile(ServiceCtx Context)
         {
             MakeObject(Context, new IProfile());
diff --git a/Ryujinx.Core/OsHle/Services/Am/IApplicationFunctions.cs b/Ryujinx.Core/OsHle/Services/Am/IApplicationFunctions.cs
index 73ec7fac..308a4322 100644
--- a/Ryujinx.Core/OsHle/Services/Am/IApplicationFunctions.cs
+++ b/Ryujinx.Core/OsHle/Services/Am/IApplicationFunctions.cs
@@ -1,7 +1,6 @@
 using Ryujinx.Core.Logging;
 using Ryujinx.Core.OsHle.Ipc;
 using System.Collections.Generic;
-using System.IO;
 
 namespace Ryujinx.Core.OsHle.Services.Am
 {
@@ -15,22 +14,22 @@ namespace Ryujinx.Core.OsHle.Services.Am
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
-                { 1,  PopLaunchParameter },
-                { 20, EnsureSaveData     },
-                { 21, GetDesiredLanguage },
-                { 22, SetTerminateResult },
-                { 23, GetDisplayVersion  },
-                { 40, NotifyRunning      },
-                { 50, GetPseudoDeviceId  }
+                { 1,  PopLaunchParameter          },
+                { 20, EnsureSaveData              },
+                { 21, GetDesiredLanguage          },
+                { 22, SetTerminateResult          },
+                { 23, GetDisplayVersion           },
+                { 40, NotifyRunning               },
+                { 50, GetPseudoDeviceId           },
+                { 66, InitializeGamePlayRecording },
+                { 67, SetGamePlayRecordingState   }
             };
         }
 
-        private const uint LaunchParamsMagic = 0xc79497ca;
-
         public long PopLaunchParameter(ServiceCtx Context)
         {
             //Only the first 0x18 bytes of the Data seems to be actually used.
-            MakeObject(Context, new IStorage(MakeLaunchParams()));
+            MakeObject(Context, new IStorage(StorageHelper.MakeLaunchParams()));
 
             return 0;
         }
@@ -99,22 +98,20 @@ namespace Ryujinx.Core.OsHle.Services.Am
             return 0;
         }
 
-        private byte[] MakeLaunchParams()
+        public long InitializeGamePlayRecording(ServiceCtx Context)
         {
-            //Size needs to be at least 0x88 bytes otherwise application errors.
-            using (MemoryStream MS = new MemoryStream())
-            {
-                BinaryWriter Writer = new BinaryWriter(MS);
+            Context.Ns.Log.PrintStub(LogClass.ServiceAm, "Stubbed.");
 
-                MS.SetLength(0x88);
+            return 0;
+        }
 
-                Writer.Write(LaunchParamsMagic);
-                Writer.Write(1);  //IsAccountSelected? Only lower 8 bits actually used.
-                Writer.Write(1L); //User Id Low (note: User Id needs to be != 0)
-                Writer.Write(0L); //User Id High
+        public long SetGamePlayRecordingState(ServiceCtx Context)
+        {
+            int State = Context.RequestData.ReadInt32();
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAm, "Stubbed.");
 
-                return MS.ToArray();
-            }
+            return 0;
         }
     }
 }
diff --git a/Ryujinx.Core/OsHle/Services/Am/ILibraryAppletAccessor.cs b/Ryujinx.Core/OsHle/Services/Am/ILibraryAppletAccessor.cs
new file mode 100644
index 00000000..c990d647
--- /dev/null
+++ b/Ryujinx.Core/OsHle/Services/Am/ILibraryAppletAccessor.cs
@@ -0,0 +1,71 @@
+using Ryujinx.Core.Logging;
+using Ryujinx.Core.OsHle.Handles;
+using Ryujinx.Core.OsHle.Ipc;
+using System.Collections.Generic;
+
+namespace Ryujinx.Core.OsHle.Services.Am
+{
+    class ILibraryAppletAccessor : IpcService
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        private KEvent StateChangedEvent;
+
+        public ILibraryAppletAccessor()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0,   GetAppletStateChangedEvent },
+                { 10,  Start                      },
+                { 30,  GetResult                  },
+                { 100, PushInData                 },
+                { 101, PopOutData                 }
+            };
+
+            StateChangedEvent = new KEvent();
+        }
+
+        public long GetAppletStateChangedEvent(ServiceCtx Context)
+        {
+            StateChangedEvent.WaitEvent.Set();
+
+            int Handle = Context.Process.HandleTable.OpenHandle(StateChangedEvent);
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAm, "Stubbed.");
+
+            return 0;
+        }
+
+        public long Start(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceAm, "Stubbed.");
+
+            return 0;
+        }
+
+        public long GetResult(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceAm, "Stubbed.");
+
+            return 0;
+        }
+
+        public long PushInData(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceAm, "Stubbed.");
+
+            return 0;
+        }
+
+        public long PopOutData(ServiceCtx Context)
+        {
+            MakeObject(Context, new IStorage(StorageHelper.MakeLaunchParams()));
+
+            return 0;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Services/Am/ILibraryAppletCreator.cs b/Ryujinx.Core/OsHle/Services/Am/ILibraryAppletCreator.cs
index 7b3e12cc..52cd490e 100644
--- a/Ryujinx.Core/OsHle/Services/Am/ILibraryAppletCreator.cs
+++ b/Ryujinx.Core/OsHle/Services/Am/ILibraryAppletCreator.cs
@@ -13,8 +13,23 @@ namespace Ryujinx.Core.OsHle.Services.Am
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
-                //...
+                { 0,  CreateLibraryApplet },
+                { 10, CreateStorage       }
             };
         }
+
+        public long CreateLibraryApplet(ServiceCtx Context)
+        {
+            MakeObject(Context, new ILibraryAppletAccessor());
+
+            return 0;
+        }
+
+        public long CreateStorage(ServiceCtx Context)
+        {
+            MakeObject(Context, new IStorage(StorageHelper.MakeLaunchParams()));
+
+            return 0;
+        }
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Services/Am/ISelfController.cs b/Ryujinx.Core/OsHle/Services/Am/ISelfController.cs
index 41027df0..3fd5c7fc 100644
--- a/Ryujinx.Core/OsHle/Services/Am/ISelfController.cs
+++ b/Ryujinx.Core/OsHle/Services/Am/ISelfController.cs
@@ -1,4 +1,5 @@
 using Ryujinx.Core.Logging;
+using Ryujinx.Core.OsHle.Handles;
 using Ryujinx.Core.OsHle.Ipc;
 using System.Collections.Generic;
 
@@ -10,11 +11,14 @@ namespace Ryujinx.Core.OsHle.Services.Am
 
         public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
 
+        private KEvent LaunchableEvent;
+
         public ISelfController()
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
                 { 1,  LockExit                              },
+                { 9,  GetLibraryAppletLaunchableEvent       },
                 { 10, SetScreenShotPermission               },
                 { 11, SetOperationModeChangedNotification   },
                 { 12, SetPerformanceModeChangedNotification },
@@ -23,6 +27,8 @@ namespace Ryujinx.Core.OsHle.Services.Am
                 { 16, SetOutOfFocusSuspendingEnabled        },
                 { 50, SetHandlesRequestToDisplay            }
             };
+
+            LaunchableEvent = new KEvent();
         }
 
         public long LockExit(ServiceCtx Context)
@@ -30,6 +36,19 @@ namespace Ryujinx.Core.OsHle.Services.Am
             return 0;
         }
 
+        public long GetLibraryAppletLaunchableEvent(ServiceCtx Context)
+        {
+            LaunchableEvent.WaitEvent.Set();
+
+            int Handle = Context.Process.HandleTable.OpenHandle(LaunchableEvent);
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAm, "Stubbed.");
+
+            return 0;
+        }
+
         public long SetScreenShotPermission(ServiceCtx Context)
         {
             bool Enable = Context.RequestData.ReadByte() != 0 ? true : false;
diff --git a/Ryujinx.Core/OsHle/Services/Am/IStorageAccessor.cs b/Ryujinx.Core/OsHle/Services/Am/IStorageAccessor.cs
index 12336df2..5efc4993 100644
--- a/Ryujinx.Core/OsHle/Services/Am/IStorageAccessor.cs
+++ b/Ryujinx.Core/OsHle/Services/Am/IStorageAccessor.cs
@@ -1,4 +1,5 @@
 using ChocolArm64.Memory;
+using Ryujinx.Core.Logging;
 using Ryujinx.Core.OsHle.Ipc;
 using System;
 using System.Collections.Generic;
@@ -18,6 +19,7 @@ namespace Ryujinx.Core.OsHle.Services.Am
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
                 { 0,  GetSize },
+                { 10, Write   },
                 { 11, Read    }
             };
 
@@ -31,6 +33,13 @@ namespace Ryujinx.Core.OsHle.Services.Am
             return 0;
         }
 
+        public long Write(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceAm, "Stubbed.");
+
+            return 0;
+        }
+
         public long Read(ServiceCtx Context)
         {
             long ReadPosition = Context.RequestData.ReadInt64();
diff --git a/Ryujinx.Core/OsHle/Services/Am/StorageHelper.cs b/Ryujinx.Core/OsHle/Services/Am/StorageHelper.cs
new file mode 100644
index 00000000..fa4f6bed
--- /dev/null
+++ b/Ryujinx.Core/OsHle/Services/Am/StorageHelper.cs
@@ -0,0 +1,27 @@
+using System.IO;
+
+namespace Ryujinx.Core.OsHle.Services.Am
+{
+    class StorageHelper
+    {
+        private const uint LaunchParamsMagic = 0xc79497ca;
+
+        public static byte[] MakeLaunchParams()
+        {
+            //Size needs to be at least 0x88 bytes otherwise application errors.
+            using (MemoryStream MS = new MemoryStream())
+            {
+                BinaryWriter Writer = new BinaryWriter(MS);
+
+                MS.SetLength(0x88);
+
+                Writer.Write(LaunchParamsMagic);
+                Writer.Write(1);  //IsAccountSelected? Only lower 8 bits actually used.
+                Writer.Write(1L); //User Id Low (note: User Id needs to be != 0)
+                Writer.Write(0L); //User Id High
+
+                return MS.ToArray();
+            }
+        }
+    }
+}
diff --git a/Ryujinx.Core/OsHle/Services/Aud/IAudioDevice.cs b/Ryujinx.Core/OsHle/Services/Aud/IAudioDevice.cs
index 1eb61d29..424bf6a9 100644
--- a/Ryujinx.Core/OsHle/Services/Aud/IAudioDevice.cs
+++ b/Ryujinx.Core/OsHle/Services/Aud/IAudioDevice.cs
@@ -19,11 +19,17 @@ namespace Ryujinx.Core.OsHle.Services.Aud
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
-                { 0, ListAudioDeviceName         },
-                { 1, SetAudioDeviceOutputVolume  },
-                { 3, GetActiveAudioDeviceName    },
-                { 4, QueryAudioDeviceSystemEvent },
-                { 5, GetActiveChannelCount       }
+                { 0,  ListAudioDeviceName            },
+                { 1,  SetAudioDeviceOutputVolume     },
+                { 3,  GetActiveAudioDeviceName       },
+                { 4,  QueryAudioDeviceSystemEvent    },
+                { 5,  GetActiveChannelCount          },
+                { 6,  ListAudioDeviceNameAuto        },
+                { 7,  SetAudioDeviceOutputVolumeAuto },
+                { 8,  GetAudioDeviceOutputVolumeAuto },
+                { 10, GetActiveAudioDeviceNameAuto   },
+                { 11, QueryAudioDeviceInputEvent     },
+                { 12, QueryAudioDeviceOutputEvent    }
             };
 
             SystemEvent = new KEvent();
@@ -118,5 +124,102 @@ namespace Ryujinx.Core.OsHle.Services.Aud
 
             return 0;
         }
+
+        public long ListAudioDeviceNameAuto(ServiceCtx Context)
+        {
+            string[] DeviceNames = SystemStateMgr.AudioOutputs;
+
+            Context.ResponseData.Write(DeviceNames.Length);
+
+            (long Position, long Size) = Context.Request.GetBufferType0x22();
+
+            long BasePosition = Position;
+
+            foreach (string Name in DeviceNames)
+            {
+                byte[] Buffer = Encoding.UTF8.GetBytes(Name + '\0');
+
+                if ((Position - BasePosition) + Buffer.Length > Size)
+                {
+                    Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
+
+                    break;
+                }
+
+                AMemoryHelper.WriteBytes(Context.Memory, Position, Buffer);
+
+                Position += Buffer.Length;
+            }
+
+            return 0;
+        }
+
+        public long SetAudioDeviceOutputVolumeAuto(ServiceCtx Context)
+        {
+            float Volume = Context.RequestData.ReadSingle();
+
+            long Position = Context.Request.SendBuff[0].Position;
+            long Size     = Context.Request.SendBuff[0].Size;
+
+            byte[] DeviceNameBuffer = AMemoryHelper.ReadBytes(Context.Memory, Position, Size);
+
+            string DeviceName = Encoding.UTF8.GetString(DeviceNameBuffer);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long GetAudioDeviceOutputVolumeAuto(ServiceCtx Context)
+        {
+            Context.ResponseData.Write(1f);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long GetActiveAudioDeviceNameAuto(ServiceCtx Context)
+        {
+            string Name = Context.Ns.Os.SystemState.ActiveAudioOutput;
+
+            long Position = Context.Request.RecvListBuff[0].Position;
+            long Size     = Context.Request.RecvListBuff[0].Size;
+
+            byte[] DeviceNameBuffer = Encoding.UTF8.GetBytes(Name + '\0');
+
+            if ((ulong)DeviceNameBuffer.Length <= (ulong)Size)
+            {
+                AMemoryHelper.WriteBytes(Context.Memory, Position, DeviceNameBuffer);
+            }
+            else
+            {
+                Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
+            }
+
+            return 0;
+        }
+
+        public long QueryAudioDeviceInputEvent(ServiceCtx Context)
+        {
+            int Handle = Context.Process.HandleTable.OpenHandle(SystemEvent);
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
+
+        public long QueryAudioDeviceOutputEvent(ServiceCtx Context)
+        {
+            int Handle = Context.Process.HandleTable.OpenHandle(SystemEvent);
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
+
+            return 0;
+        }
     }
 }
diff --git a/Ryujinx.Core/OsHle/Services/FspSrv/IFileSystemProxy.cs b/Ryujinx.Core/OsHle/Services/FspSrv/IFileSystemProxy.cs
index 29c5c68f..4fbf018a 100644
--- a/Ryujinx.Core/OsHle/Services/FspSrv/IFileSystemProxy.cs
+++ b/Ryujinx.Core/OsHle/Services/FspSrv/IFileSystemProxy.cs
@@ -1,3 +1,4 @@
+using Ryujinx.Core.Logging;
 using Ryujinx.Core.OsHle.Ipc;
 using System.Collections.Generic;
 
@@ -15,6 +16,7 @@ namespace Ryujinx.Core.OsHle.Services.FspSrv
             {
                 { 1,    SetCurrentProcess                    },
                 { 18,   OpenSdCardFileSystem                 },
+                { 22,   CreateSaveDataFileSystem             },
                 { 51,   OpenSaveDataFileSystem               },
                 { 200,  OpenDataStorageByCurrentProcess      },
                 { 203,  OpenPatchDataStorageByCurrentProcess },
@@ -34,6 +36,13 @@ namespace Ryujinx.Core.OsHle.Services.FspSrv
             return 0;
         }
 
+        public long CreateSaveDataFileSystem(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceFs, "Stubbed.");
+
+            return 0;
+        }
+
         public long OpenSaveDataFileSystem(ServiceCtx Context)
         {
             MakeObject(Context, new IFileSystem(Context.Ns.VFs.GetGameSavesPath()));
diff --git a/Ryujinx.Core/OsHle/Services/Nfp/IUser.cs b/Ryujinx.Core/OsHle/Services/Nfp/IUser.cs
new file mode 100644
index 00000000..199d4e15
--- /dev/null
+++ b/Ryujinx.Core/OsHle/Services/Nfp/IUser.cs
@@ -0,0 +1,28 @@
+using Ryujinx.Core.Logging;
+using Ryujinx.Core.OsHle.Ipc;
+using System.Collections.Generic;
+
+namespace Ryujinx.Core.OsHle.Services.Nfp
+{
+    class IUser : IpcService
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        public IUser()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, Initialize }
+            };
+        }
+
+        public long Initialize(ServiceCtx Context)
+        {
+            Context.Ns.Log.PrintStub(LogClass.ServiceNfp, "Stubbed.");
+
+            return 0;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Services/Nfp/IUserManager.cs b/Ryujinx.Core/OsHle/Services/Nfp/IUserManager.cs
new file mode 100644
index 00000000..662987d7
--- /dev/null
+++ b/Ryujinx.Core/OsHle/Services/Nfp/IUserManager.cs
@@ -0,0 +1,27 @@
+using Ryujinx.Core.OsHle.Ipc;
+using System.Collections.Generic;
+
+namespace Ryujinx.Core.OsHle.Services.Nfp
+{
+    class IUserManager : IpcService
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        public IUserManager()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, GetUserInterface }
+            };
+        }
+
+        public long GetUserInterface(ServiceCtx Context)
+        {
+            MakeObject(Context, new IUser());
+
+            return 0;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Services/Nifm/IStaticService.cs b/Ryujinx.Core/OsHle/Services/Nifm/IStaticService.cs
index 2129ce43..b2fe0f97 100644
--- a/Ryujinx.Core/OsHle/Services/Nifm/IStaticService.cs
+++ b/Ryujinx.Core/OsHle/Services/Nifm/IStaticService.cs
@@ -13,7 +13,8 @@ namespace Ryujinx.Core.OsHle.Services.Nifm
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
-                { 4, CreateGeneralServiceOld }
+                { 4, CreateGeneralServiceOld },
+                { 5, CreateGeneralService    }
             };
         }
 
@@ -23,5 +24,12 @@ namespace Ryujinx.Core.OsHle.Services.Nifm
 
             return 0;
         }
+
+        public long CreateGeneralService(ServiceCtx Context)
+        {
+            MakeObject(Context, new IGeneralService());
+
+            return 0;
+        }
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Services/Nv/INvDrvServices.cs b/Ryujinx.Core/OsHle/Services/Nv/INvDrvServices.cs
index aead6e04..16acf592 100644
--- a/Ryujinx.Core/OsHle/Services/Nv/INvDrvServices.cs
+++ b/Ryujinx.Core/OsHle/Services/Nv/INvDrvServices.cs
@@ -174,14 +174,14 @@ namespace Ryujinx.Core.OsHle.Services.Nv
 
         private static int ProcessIoctl(ServiceCtx Context, int Cmd, IoctlProcessor Processor)
         {
-            if (CmdIn(Cmd) && Context.Request.GetBufferType0x21Position() == 0)
+            if (CmdIn(Cmd) && Context.Request.GetBufferType0x21().Position == 0)
             {
                 Context.Ns.Log.PrintError(LogClass.ServiceNv, "Input buffer is null!");
 
                 return NvResult.InvalidInput;
             }
 
-            if (CmdOut(Cmd) && Context.Request.GetBufferType0x22Position() == 0)
+            if (CmdOut(Cmd) && Context.Request.GetBufferType0x22().Position == 0)
             {
                 Context.Ns.Log.PrintError(LogClass.ServiceNv, "Output buffer is null!");
 
diff --git a/Ryujinx.Core/OsHle/Services/Nv/NvGpuAS/NvGpuASIoctl.cs b/Ryujinx.Core/OsHle/Services/Nv/NvGpuAS/NvGpuASIoctl.cs
index 6be45d5c..72622471 100644
--- a/Ryujinx.Core/OsHle/Services/Nv/NvGpuAS/NvGpuASIoctl.cs
+++ b/Ryujinx.Core/OsHle/Services/Nv/NvGpuAS/NvGpuASIoctl.cs
@@ -37,8 +37,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuAS
 
         private static int BindChannel(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -47,8 +47,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuAS
 
         private static int AllocSpace(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvGpuASAllocSpace Args = AMemoryHelper.Read<NvGpuASAllocSpace>(Context.Memory, InputPosition);
 
@@ -84,8 +84,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuAS
 
         private static int FreeSpace(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvGpuASAllocSpace Args = AMemoryHelper.Read<NvGpuASAllocSpace>(Context.Memory, InputPosition);
 
@@ -101,8 +101,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuAS
 
         private static int UnmapBuffer(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvGpuASUnmapBuffer Args = AMemoryHelper.Read<NvGpuASUnmapBuffer>(Context.Memory, InputPosition);
 
@@ -118,8 +118,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuAS
 
         private static int MapBufferEx(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvGpuASMapBufferEx Args = AMemoryHelper.Read<NvGpuASMapBufferEx>(Context.Memory, InputPosition);
 
@@ -190,8 +190,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuAS
 
         private static int GetVaRegions(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -200,8 +200,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuAS
 
         private static int InitializeEx(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -210,7 +210,7 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuAS
 
         private static int Remap(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
 
             NvGpuASRemap Args = AMemoryHelper.Read<NvGpuASRemap>(Context.Memory, InputPosition);
 
diff --git a/Ryujinx.Core/OsHle/Services/Nv/NvGpuGpu/NvGpuGpuIoctl.cs b/Ryujinx.Core/OsHle/Services/Nv/NvGpuGpu/NvGpuGpuIoctl.cs
index b34d346b..bba78ea8 100644
--- a/Ryujinx.Core/OsHle/Services/Nv/NvGpuGpu/NvGpuGpuIoctl.cs
+++ b/Ryujinx.Core/OsHle/Services/Nv/NvGpuGpu/NvGpuGpuIoctl.cs
@@ -38,7 +38,7 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuGpu
 
         private static int ZcullGetCtxSize(ServiceCtx Context)
         {
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvGpuGpuZcullGetCtxSize Args = new NvGpuGpuZcullGetCtxSize();
 
@@ -53,7 +53,7 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuGpu
 
         private static int ZcullGetInfo(ServiceCtx Context)
         {
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvGpuGpuZcullGetInfo Args = new NvGpuGpuZcullGetInfo();
 
@@ -77,8 +77,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuGpu
 
         private static int ZbcSetTable(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -87,8 +87,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuGpu
 
         private static int GetCharacteristics(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvGpuGpuGetCharacteristics Args = AMemoryHelper.Read<NvGpuGpuGetCharacteristics>(Context.Memory, InputPosition);
 
@@ -137,8 +137,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuGpu
 
         private static int GetTpcMasks(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvGpuGpuGetTpcMasks Args = AMemoryHelper.Read<NvGpuGpuGetTpcMasks>(Context.Memory, InputPosition);
 
@@ -154,7 +154,7 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuGpu
 
         private static int GetActiveSlotMask(ServiceCtx Context)
         {
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvGpuGpuGetActiveSlotMask Args = new NvGpuGpuGetActiveSlotMask();
 
@@ -170,7 +170,7 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvGpuGpu
 
         private static int GetGpuTime(ServiceCtx Context)
         {
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Memory.WriteInt64(OutputPosition, GetPTimerNanoSeconds());
 
diff --git a/Ryujinx.Core/OsHle/Services/Nv/NvHostChannel/NvHostChannelIoctl.cs b/Ryujinx.Core/OsHle/Services/Nv/NvHostChannel/NvHostChannelIoctl.cs
index 85b47533..857218ea 100644
--- a/Ryujinx.Core/OsHle/Services/Nv/NvHostChannel/NvHostChannelIoctl.cs
+++ b/Ryujinx.Core/OsHle/Services/Nv/NvHostChannel/NvHostChannelIoctl.cs
@@ -27,8 +27,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostChannel
 
         private static int SetUserData(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -37,8 +37,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostChannel
 
         private static int SetNvMap(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -47,8 +47,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostChannel
 
         private static int SubmitGpfifo(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvHostChannelSubmitGpfifo Args = AMemoryHelper.Read<NvHostChannelSubmitGpfifo>(Context.Memory, InputPosition);
 
@@ -79,8 +79,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostChannel
 
         private static int AllocObjCtx(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -89,8 +89,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostChannel
 
         private static int ZcullBind(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -99,8 +99,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostChannel
 
         private static int SetErrorNotifier(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -109,8 +109,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostChannel
 
         private static int SetPriority(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
@@ -119,8 +119,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostChannel
 
         private static int AllocGpfifoEx2(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             Context.Ns.Log.PrintStub(LogClass.ServiceNv, "Stubbed.");
 
diff --git a/Ryujinx.Core/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs b/Ryujinx.Core/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs
index 8c705d7f..1997f981 100644
--- a/Ryujinx.Core/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs
+++ b/Ryujinx.Core/OsHle/Services/Nv/NvHostCtrl/NvHostCtrlIoctl.cs
@@ -40,7 +40,7 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostCtrl
 
         private static int SyncptIncr(ServiceCtx Context)
         {
-            long InputPosition = Context.Request.GetBufferType0x21Position();
+            long InputPosition = Context.Request.GetBufferType0x21().Position;
 
             int Id = Context.Memory.ReadInt32(InputPosition);
 
@@ -71,8 +71,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostCtrl
 
         private static int GetConfig(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             string Nv   = AMemoryHelper.ReadAsciiString(Context.Memory, InputPosition + 0,    0x41);
             string Name = AMemoryHelper.ReadAsciiString(Context.Memory, InputPosition + 0x41, 0x41);
@@ -96,8 +96,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostCtrl
 
         private static int EventRegister(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             int EventId = Context.Memory.ReadInt32(InputPosition);
 
@@ -108,8 +108,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostCtrl
 
         private static int SyncptReadMinOrMax(ServiceCtx Context, bool Max)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvHostCtrlSyncptRead Args = AMemoryHelper.Read<NvHostCtrlSyncptRead>(Context.Memory, InputPosition);
 
@@ -134,8 +134,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostCtrl
 
         private static int SyncptWait(ServiceCtx Context, bool Extended)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvHostCtrlSyncptWait Args = AMemoryHelper.Read<NvHostCtrlSyncptWait>(Context.Memory, InputPosition);
 
@@ -202,8 +202,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvHostCtrl
 
         private static int EventWait(ServiceCtx Context, bool Async)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvHostCtrlSyncptWaitEx Args = AMemoryHelper.Read<NvHostCtrlSyncptWaitEx>(Context.Memory, InputPosition);
 
diff --git a/Ryujinx.Core/OsHle/Services/Nv/NvMap/NvMapIoctl.cs b/Ryujinx.Core/OsHle/Services/Nv/NvMap/NvMapIoctl.cs
index f9c1564a..aff2683e 100644
--- a/Ryujinx.Core/OsHle/Services/Nv/NvMap/NvMapIoctl.cs
+++ b/Ryujinx.Core/OsHle/Services/Nv/NvMap/NvMapIoctl.cs
@@ -36,8 +36,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvMap
 
         private static int Create(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvMapCreate Args = AMemoryHelper.Read<NvMapCreate>(Context.Memory, InputPosition);
 
@@ -61,8 +61,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvMap
 
         private static int FromId(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvMapFromId Args = AMemoryHelper.Read<NvMapFromId>(Context.Memory, InputPosition);
 
@@ -86,8 +86,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvMap
 
         private static int Alloc(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvMapAlloc Args = AMemoryHelper.Read<NvMapAlloc>(Context.Memory, InputPosition);
 
@@ -149,8 +149,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvMap
 
         private static int Free(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvMapFree Args = AMemoryHelper.Read<NvMapFree>(Context.Memory, InputPosition);
 
@@ -188,8 +188,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvMap
 
         private static int Param(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvMapParam Args = AMemoryHelper.Read<NvMapParam>(Context.Memory, InputPosition);
 
@@ -222,8 +222,8 @@ namespace Ryujinx.Core.OsHle.Services.Nv.NvMap
 
         private static int GetId(ServiceCtx Context)
         {
-            long InputPosition  = Context.Request.GetBufferType0x21Position();
-            long OutputPosition = Context.Request.GetBufferType0x22Position();
+            long InputPosition  = Context.Request.GetBufferType0x21().Position;
+            long OutputPosition = Context.Request.GetBufferType0x22().Position;
 
             NvMapGetId Args = AMemoryHelper.Read<NvMapGetId>(Context.Memory, InputPosition);
 
diff --git a/Ryujinx.Core/OsHle/Services/ServiceFactory.cs b/Ryujinx.Core/OsHle/Services/ServiceFactory.cs
index 07dde173..05301d1e 100644
--- a/Ryujinx.Core/OsHle/Services/ServiceFactory.cs
+++ b/Ryujinx.Core/OsHle/Services/ServiceFactory.cs
@@ -8,6 +8,7 @@ using Ryujinx.Core.OsHle.Services.Friend;
 using Ryujinx.Core.OsHle.Services.FspSrv;
 using Ryujinx.Core.OsHle.Services.Hid;
 using Ryujinx.Core.OsHle.Services.Lm;
+using Ryujinx.Core.OsHle.Services.Nfp;
 using Ryujinx.Core.OsHle.Services.Ns;
 using Ryujinx.Core.OsHle.Services.Nv;
 using Ryujinx.Core.OsHle.Services.Pctl;
@@ -79,6 +80,9 @@ namespace Ryujinx.Core.OsHle.Services
                 case "lm":
                     return new ILogService();
 
+                case "nfp:user":
+                    return new IUserManager();
+
                 case "nifm:u":
                     return new Nifm.IStaticService();
 
diff --git a/Ryujinx.Core/OsHle/Services/Ssl/ISslService.cs b/Ryujinx.Core/OsHle/Services/Ssl/ISslService.cs
index 825e3363..3dab4515 100644
--- a/Ryujinx.Core/OsHle/Services/Ssl/ISslService.cs
+++ b/Ryujinx.Core/OsHle/Services/Ssl/ISslService.cs
@@ -1,3 +1,4 @@
+using Ryujinx.Core.Logging;
 using Ryujinx.Core.OsHle.Ipc;
 using System.Collections.Generic;
 
@@ -13,8 +14,17 @@ namespace Ryujinx.Core.OsHle.Services.Ssl
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
-                //...
+                { 5, SetInterfaceVersion }
             };
         }
+
+        public long SetInterfaceVersion(ServiceCtx Context)
+        {
+            int Version = Context.RequestData.ReadInt32();
+
+            Context.Ns.Log.PrintStub(LogClass.ServiceSsl, "Stubbed.");
+
+            return 0;
+        }
     }
 }
\ No newline at end of file