Horizon: Impl Prepo, Fixes bugs, Clean things (#4220)

* Horizon: Impl Prepo, Fixes bugs, Clean things

* remove ToArray()

* resultCode > status

* Remove old services

* Addresses gdkchan's comments and more cleanup

* Addresses Gdkchan's feedback 2

* Reorganize services, make sure service are loaded before guest

Co-Authored-By: gdkchan <5624669+gdkchan@users.noreply.github.com>

* Create interfaces for lm and sm

Co-authored-by: gdkchan <5624669+gdkchan@users.noreply.github.com>

.github/workflows/build.yml

@@ -69,6 +69,12 @@ jobs:
       - name: Publish Ryujinx.Ava
         run: dotnet publish -c "${{ matrix.configuration }}" -r "${{ matrix.DOTNET_RUNTIME_IDENTIFIER }}" -o ./publish_ava -p:Version="${{ env.RYUJINX_BASE_VERSION }}" -p:DebugType=embedded -p:SourceRevisionId="${{ steps.git_short_hash.outputs.result }}" -p:ExtraDefineConstants=DISABLE_UPDATER Ryujinx.Ava --self-contained true
         if: github.event_name == 'pull_request'
+      - name: Rename Avalonia (Windows)
+        run: mv ./publish_ava/Ryujinx.Ava.exe ./publish_ava/Ryujinx.exe
+        if: runner.os == 'Windows' && github.event_name == 'pull_request'
+      - name: Rename Avalonia (Unix)
+        run: mv ./publish_ava/Ryujinx.Ava ./publish_ava/Ryujinx
+        if: runner.os != 'Windows' && github.event_name == 'pull_request'
       - name: Upload Ryujinx artifact
         uses: actions/upload-artifact@v3
         with:

.github/workflows/release.yml

@@ -38,19 +38,21 @@ jobs:
         shell: bash
       - name: Configure for release
         run: |
-          sed -r --in-place 's/\%\%RYUJINX_BUILD_VERSION\%\%/${{ steps.version_info.outputs.build_version }}/g;' Ryujinx.Common/ReleaseInformations.cs
-          sed -r --in-place 's/\%\%RYUJINX_BUILD_GIT_HASH\%\%/${{ steps.version_info.outputs.git_short_hash }}/g;' Ryujinx.Common/ReleaseInformations.cs
-          sed -r --in-place 's/\%\%RYUJINX_TARGET_RELEASE_CHANNEL_NAME\%\%/${{ env.RYUJINX_TARGET_RELEASE_CHANNEL_NAME }}/g;' Ryujinx.Common/ReleaseInformations.cs
-          sed -r --in-place 's/\%\%RYUJINX_TARGET_RELEASE_CHANNEL_OWNER\%\%/${{ env.RYUJINX_TARGET_RELEASE_CHANNEL_OWNER }}/g;' Ryujinx.Common/ReleaseInformations.cs
-          sed -r --in-place 's/\%\%RYUJINX_TARGET_RELEASE_CHANNEL_REPO\%\%/${{ env.RYUJINX_TARGET_RELEASE_CHANNEL_REPO }}/g;' Ryujinx.Common/ReleaseInformations.cs
+          sed -r --in-place 's/\%\%RYUJINX_BUILD_VERSION\%\%/${{ steps.version_info.outputs.build_version }}/g;' Ryujinx.Common/ReleaseInformation.cs
+          sed -r --in-place 's/\%\%RYUJINX_BUILD_GIT_HASH\%\%/${{ steps.version_info.outputs.git_short_hash }}/g;' Ryujinx.Common/ReleaseInformation.cs
+          sed -r --in-place 's/\%\%RYUJINX_TARGET_RELEASE_CHANNEL_NAME\%\%/${{ env.RYUJINX_TARGET_RELEASE_CHANNEL_NAME }}/g;' Ryujinx.Common/ReleaseInformation.cs
+          sed -r --in-place 's/\%\%RYUJINX_TARGET_RELEASE_CHANNEL_OWNER\%\%/${{ env.RYUJINX_TARGET_RELEASE_CHANNEL_OWNER }}/g;' Ryujinx.Common/ReleaseInformation.cs
+          sed -r --in-place 's/\%\%RYUJINX_TARGET_RELEASE_CHANNEL_REPO\%\%/${{ env.RYUJINX_TARGET_RELEASE_CHANNEL_REPO }}/g;' Ryujinx.Common/ReleaseInformation.cs
         shell: bash
       - name: Create output dir
         run: "mkdir release_output"
+
       - name: Publish Windows
         run: |
           dotnet publish -c Release -r win10-x64 -o ./publish_windows/publish -p:Version="${{ steps.version_info.outputs.build_version }}" -p:SourceRevisionId="${{ steps.version_info.outputs.git_short_hash }}" -p:DebugType=embedded Ryujinx --self-contained true
           dotnet publish -c Release -r win10-x64 -o ./publish_windows_sdl2_headless/publish -p:Version="${{ steps.version_info.outputs.build_version }}" -p:SourceRevisionId="${{ steps.version_info.outputs.git_short_hash }}" -p:DebugType=embedded Ryujinx.Headless.SDL2 --self-contained true
           dotnet publish -c Release -r win10-x64 -o ./publish_windows_ava/publish -p:Version="${{ steps.version_info.outputs.build_version }}" -p:SourceRevisionId="${{ steps.version_info.outputs.git_short_hash }}" -p:DebugType=embedded Ryujinx.Ava --self-contained true
+          mv ./publish_windows_ava/publish/Ryujinx.Ava.exe ./publish_windows_ava/publish/Ryujinx.exe
       - name: Packing Windows builds
         run: |
           pushd publish_windows
@@ -71,19 +73,28 @@ jobs:
           dotnet publish -c Release -r linux-x64 -o ./publish_linux/publish -p:Version="${{ steps.version_info.outputs.build_version }}" -p:SourceRevisionId="${{ steps.version_info.outputs.git_short_hash }}" -p:DebugType=embedded Ryujinx --self-contained true
           dotnet publish -c Release -r linux-x64 -o ./publish_linux_sdl2_headless/publish -p:Version="${{ steps.version_info.outputs.build_version }}" -p:SourceRevisionId="${{ steps.version_info.outputs.git_short_hash }}" -p:DebugType=embedded Ryujinx.Headless.SDL2 --self-contained true
           dotnet publish -c Release -r linux-x64 -o ./publish_linux_ava/publish -p:Version="${{ steps.version_info.outputs.build_version }}" -p:SourceRevisionId="${{ steps.version_info.outputs.git_short_hash }}" -p:DebugType=embedded Ryujinx.Ava --self-contained true
-
+          mv ./publish_linux_ava/publish/Ryujinx.Ava ./publish_linux_ava/publish/Ryujinx
       - name: Packing Linux builds
         run: |
           pushd publish_linux
-          tar -czvf ../release_output/ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar.gz publish
+          tar --exclude "publish/Ryujinx" -cvf ../release_output/ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar publish
+          python3 ../distribution/misc/add_tar_exec.py ../release_output/ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar "publish/Ryujinx" "publish/Ryujinx"
+          gzip -9 < ../release_output/ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar > ../release_output/ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar.gz
+          rm ../release_output/ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar
           popd
 
           pushd publish_linux_sdl2_headless
-          tar -czvf ../release_output/sdl2-ryujinx-headless-${{ steps.version_info.outputs.build_version }}-linux_x64.tar.gz publish
+          tar --exclude "publish/Ryujinx.Headless.SDL2" -cvf ../release_output/sdl2-ryujinx-headless-${{ steps.version_info.outputs.build_version }}-linux_x64.tar publish
+          python3 ../distribution/misc/add_tar_exec.py ../release_output/sdl2-ryujinx-headless-${{ steps.version_info.outputs.build_version }}-linux_x64.tar "publish/Ryujinx.Headless.SDL2" "publish/Ryujinx.Headless.SDL2"
+          gzip -9 < ../release_output/sdl2-ryujinx-headless-${{ steps.version_info.outputs.build_version }}-linux_x64.tar > ../release_output/sdl2-ryujinx-headless-${{ steps.version_info.outputs.build_version }}-linux_x64.tar.gz
+          rm ../release_output/sdl2-ryujinx-headless-${{ steps.version_info.outputs.build_version }}-linux_x64.tar
           popd
 
           pushd publish_linux_ava
-          tar -czvf ../release_output/test-ava-ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar.gz publish
+          tar --exclude "publish/Ryujinx" -cvf ../release_output/test-ava-ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar publish
+          python3 ../distribution/misc/add_tar_exec.py ../release_output/test-ava-ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar "publish/Ryujinx" "publish/Ryujinx"
+          gzip -9 < ../release_output/test-ava-ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar > ../release_output/test-ava-ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar.gz
+          rm ../release_output/test-ava-ryujinx-${{ steps.version_info.outputs.build_version }}-linux_x64.tar
           popd
         shell: bash
 

Ryujinx.Ava/Modules/Updater/Updater.cs

@@ -95,7 +95,7 @@ namespace Ryujinx.Modules
             {
                 using (HttpClient jsonClient = ConstructHttpClient())
                 {
-                    string buildInfoURL = $"{GitHubApiURL}/repos/{ReleaseInformations.ReleaseChannelOwner}/{ReleaseInformations.ReleaseChannelRepo}/releases/latest";
+                    string buildInfoURL = $"{GitHubApiURL}/repos/{ReleaseInformation.ReleaseChannelOwner}/{ReleaseInformation.ReleaseChannelRepo}/releases/latest";
 
                     string fetchedJson = await jsonClient.GetStringAsync(buildInfoURL);
                     JObject jsonRoot = JObject.Parse(fetchedJson);
@@ -625,7 +625,7 @@ namespace Ryujinx.Modules
                 return false;
             }
 
-            if (Program.Version.Contains("dirty") || !ReleaseInformations.IsValid())
+            if (Program.Version.Contains("dirty") || !ReleaseInformation.IsValid())
             {
                 if (showWarnings)
                 {
@@ -640,7 +640,7 @@ namespace Ryujinx.Modules
 #else
             if (showWarnings)
             {
-                if (ReleaseInformations.IsFlatHubBuild())
+                if (ReleaseInformation.IsFlatHubBuild())
                 {
                     ContentDialogHelper.CreateWarningDialog(LocaleManager.Instance[LocaleKeys.UpdaterDisabledWarningTitle], LocaleManager.Instance[LocaleKeys.DialogUpdaterFlatpakNotSupportedMessage]);
                 }

Ryujinx.Ava/Program.cs

@@ -13,8 +13,10 @@ using Ryujinx.Ui.Common;
 using Ryujinx.Ui.Common.Configuration;
 using Ryujinx.Ui.Common.Helper;
 using System;
+using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
 using System.Threading.Tasks;
 
 namespace Ryujinx.Ava
@@ -32,9 +34,51 @@ namespace Ryujinx.Ava
 
         private const uint MB_ICONWARNING = 0x30;
 
+        [SupportedOSPlatform("linux")]
+        static void RegisterMimeTypes()
+        {
+            if (ReleaseInformation.IsFlatHubBuild())
+            {
+                return;
+            }
+
+            string mimeDbPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".local", "share", "mime");
+
+            if (!File.Exists(Path.Combine(mimeDbPath, "packages", "Ryujinx.xml")))
+            {
+                string mimeTypesFile = Path.Combine(ReleaseInformation.GetBaseApplicationDirectory(), "mime", "Ryujinx.xml");
+                using Process mimeProcess = new();
+
+                mimeProcess.StartInfo.FileName = "xdg-mime";
+                mimeProcess.StartInfo.Arguments = $"install --novendor --mode user {mimeTypesFile}";
+
+                mimeProcess.Start();
+                mimeProcess.WaitForExit();
+
+                if (mimeProcess.ExitCode != 0)
+                {
+                    Logger.Error?.PrintMsg(LogClass.Application, $"Unable to install mime types. Make sure xdg-utils is installed. Process exited with code: {mimeProcess.ExitCode}");
+                    return;
+                }
+
+                using Process updateMimeProcess = new();
+
+                updateMimeProcess.StartInfo.FileName = "update-mime-database";
+                updateMimeProcess.StartInfo.Arguments = mimeDbPath;
+
+                updateMimeProcess.Start();
+                updateMimeProcess.WaitForExit();
+
+                if (updateMimeProcess.ExitCode != 0)
+                {
+                    Logger.Error?.PrintMsg(LogClass.Application, $"Could not update local mime database. Process exited with code: {updateMimeProcess.ExitCode}");
+                }
+            }
+        }
+
         public static void Main(string[] args)
         {
-            Version = ReleaseInformations.GetVersion();
+            Version = ReleaseInformation.GetVersion();
 
             if (OperatingSystem.IsWindows() && !OperatingSystem.IsWindowsVersionAtLeast(10, 0, 17134))
             {
@@ -93,6 +137,12 @@ namespace Ryujinx.Ava
             // Initialize the logger system.
             LoggerModule.Initialize();
 
+            // Register mime types on linux.
+            if (OperatingSystem.IsLinux())
+            {
+                RegisterMimeTypes();
+            }
+
             // Initialize Discord integration.
             DiscordIntegrationModule.Initialize();
 

Ryujinx.Ava/Ryujinx.Ava.csproj

@@ -76,6 +76,16 @@
     </Content>
   </ItemGroup>
 
+  <ItemGroup Condition="'$(RuntimeIdentifier)' == 'linux-x64'">
+    <Content Include="..\distribution\linux\Ryujinx.sh">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="..\distribution\linux\mime\Ryujinx.xml">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      <TargetPath>mime\Ryujinx.xml</TargetPath>
+    </Content>
+  </ItemGroup>
+
   <ItemGroup>
     <AvaloniaResource Include="Ui\**\*.xaml">
       <SubType>Designer</SubType>

Ryujinx.Ava/UI/ViewModels/AboutWindowViewModel.cs

@@ -0,0 +1,136 @@
+using Avalonia;
+using Avalonia.Media.Imaging;
+using Avalonia.Threading;
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Common.Utilities;
+using Ryujinx.Ui.Common.Configuration;
+using System;
+using System.Net.Http;
+using System.Net.NetworkInformation;
+using System.Threading.Tasks;
+
+namespace Ryujinx.Ava.UI.ViewModels
+{
+    public class AboutWindowViewModel : BaseModel
+    {
+        private Bitmap _githubLogo;
+        private Bitmap _discordLogo;
+        private Bitmap _patreonLogo;
+        private Bitmap _twitterLogo;
+
+        private string _version;
+        private string _supporters;
+
+        public Bitmap GithubLogo
+        {
+            get => _githubLogo;
+            set
+            {
+                _githubLogo = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public Bitmap DiscordLogo
+        {
+            get => _discordLogo;
+            set
+            {
+                _discordLogo = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public Bitmap PatreonLogo
+        {
+            get => _patreonLogo;
+            set
+            {
+                _patreonLogo = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public Bitmap TwitterLogo
+        {
+            get => _twitterLogo;
+            set
+            {
+                _twitterLogo = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public string Supporters
+        {
+            get => _supporters;
+            set
+            {
+                _supporters = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public string Version
+        {
+            get => _version;
+            set
+            {
+                _version = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public string Developers
+        {
+            get => string.Format(LocaleManager.Instance[LocaleKeys.AboutPageDeveloperListMore], "gdkchan, Ac_K, marysaka, rip in peri peri, LDj3SNuD, emmaus, Thealexbarney, GoffyDude, TSRBerry, IsaacMarovitz");
+        }
+
+        public AboutWindowViewModel()
+        {
+            Version = Program.Version;
+
+            var assets = AvaloniaLocator.Current.GetService<Avalonia.Platform.IAssetLoader>();
+
+            if (ConfigurationState.Instance.Ui.BaseStyle.Value == "Light")
+            {
+                GithubLogo = new Bitmap(assets.Open(new Uri("resm:Ryujinx.Ui.Common.Resources.Logo_GitHub_Light.png?assembly=Ryujinx.Ui.Common")));
+                DiscordLogo = new Bitmap(assets.Open(new Uri("resm:Ryujinx.Ui.Common.Resources.Logo_Discord_Light.png?assembly=Ryujinx.Ui.Common")));
+                PatreonLogo = new Bitmap(assets.Open(new Uri("resm:Ryujinx.Ui.Common.Resources.Logo_Patreon_Light.png?assembly=Ryujinx.Ui.Common")));
+                TwitterLogo = new Bitmap(assets.Open(new Uri("resm:Ryujinx.Ui.Common.Resources.Logo_Twitter_Light.png?assembly=Ryujinx.Ui.Common")));
+            }
+            else
+            {
+                GithubLogo = new Bitmap(assets.Open(new Uri("resm:Ryujinx.Ui.Common.Resources.Logo_GitHub_Dark.png?assembly=Ryujinx.Ui.Common")));
+                DiscordLogo = new Bitmap(assets.Open(new Uri("resm:Ryujinx.Ui.Common.Resources.Logo_Discord_Dark.png?assembly=Ryujinx.Ui.Common")));
+                PatreonLogo = new Bitmap(assets.Open(new Uri("resm:Ryujinx.Ui.Common.Resources.Logo_Patreon_Dark.png?assembly=Ryujinx.Ui.Common")));
+                TwitterLogo = new Bitmap(assets.Open(new Uri("resm:Ryujinx.Ui.Common.Resources.Logo_Twitter_Dark.png?assembly=Ryujinx.Ui.Common")));
+            }
+
+            Dispatcher.UIThread.InvokeAsync(DownloadPatronsJson);
+        }
+
+        private async Task DownloadPatronsJson()
+        {
+            if (!NetworkInterface.GetIsNetworkAvailable())
+            {
+                Supporters = LocaleManager.Instance[LocaleKeys.ConnectionError];
+
+                return;
+            }
+
+            HttpClient httpClient = new();
+
+            try
+            {
+                string patreonJsonString = await httpClient.GetStringAsync("https://patreon.ryujinx.org/");
+
+                Supporters = string.Join(", ", JsonHelper.Deserialize<string[]>(patreonJsonString)) + "\n\n";
+            }
+            catch
+            {
+                Supporters = LocaleManager.Instance[LocaleKeys.ApiError];
+            }
+        }
+    }
+}

Ryujinx.Ava/UI/ViewModels/MainWindowViewModel.cs

@@ -940,7 +940,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         public static void OpenLogsFolder()
         {
-            string logPath = Path.Combine(ReleaseInformations.GetBaseApplicationDirectory(), "Logs");
+            string logPath = Path.Combine(ReleaseInformation.GetBaseApplicationDirectory(), "Logs");
 
             new DirectoryInfo(logPath).Create();
 
@@ -1018,7 +1018,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         public async void OpenAboutWindow()
         {
-            await new AboutWindow().ShowDialog(_owner);
+            await AboutWindow.Show();
         }
 
         public void ChangeLanguage(object obj)

Ryujinx.Ava/UI/Windows/AboutWindow.axaml

@@ -1,282 +1,253 @@
-<window:StyleableWindow
-    x:Class="Ryujinx.Ava.UI.Windows.AboutWindow"
+<UserControl
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:locale="clr-namespace:Ryujinx.Ava.Common.Locale"
+    xmlns:flex="clr-namespace:Avalonia.Flexbox;assembly=Avalonia.Flexbox"
+    xmlns:ui="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
+    xmlns:viewModel="clr-namespace:Ryujinx.Ava.UI.ViewModels"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    xmlns:window="clr-namespace:Ryujinx.Ava.UI.Windows"
-    Width="850"
-    Height="550"
-    MinWidth="500"
-    MinHeight="550"
-    d:DesignHeight="350"
-    d:DesignWidth="400"
-    CanResize="False"
-    SizeToContent="Width"
-    WindowStartupLocation="CenterOwner"
     mc:Ignorable="d"
+    d:DesignHeight="260"
+    d:DesignWidth="550"
+    Height="260"
+    Width="550"
+    x:Class="Ryujinx.Ava.UI.Windows.AboutWindow"
+    x:DataType="viewModel:AboutWindowViewModel"
+    x:CompileBindings="True"
+    Margin="0 -12 0 0"
     Focusable="True">
+	<Design.DataContext>
+		<viewModel:AboutWindowViewModel />
+	</Design.DataContext>
 	<Grid
-        Margin="15"
         HorizontalAlignment="Stretch"
         VerticalAlignment="Stretch">
-		<Grid.RowDefinitions>
-			<RowDefinition Height="Auto" />
-			<RowDefinition Height="*" />
-		</Grid.RowDefinitions>
 		<Grid.ColumnDefinitions>
 			<ColumnDefinition Width="Auto" />
 			<ColumnDefinition Width="Auto" />
 			<ColumnDefinition Width="*" />
 		</Grid.ColumnDefinitions>
 		<Grid
-            Grid.Row="1"
             Grid.Column="0"
-            Margin="20"
             HorizontalAlignment="Stretch"
             VerticalAlignment="Stretch">
 			<Grid.RowDefinitions>
+				<RowDefinition Height="Auto" />
 				<RowDefinition Height="*" />
-				<RowDefinition Height="*" />
-				<RowDefinition />
-				<RowDefinition />
 				<RowDefinition Height="Auto" />
 			</Grid.RowDefinitions>
-			<Grid Grid.Row="0">
+			<StackPanel
+				Grid.Row="0"
+				Spacing="10"
+				HorizontalAlignment="Stretch"
+				VerticalAlignment="Stretch">
+				<Grid>
 					<Grid.ColumnDefinitions>
-					<ColumnDefinition />
-					<ColumnDefinition />
+						<ColumnDefinition Width="Auto" />
+						<ColumnDefinition Width="*" />
+						<ColumnDefinition Width="Auto" />
 					</Grid.ColumnDefinitions>
-				<Grid.RowDefinitions>
-					<RowDefinition Height="Auto" />
-					<RowDefinition Height="Auto" />
-					<RowDefinition Height="Auto" />
-				</Grid.RowDefinitions>
 					<Image
-                    Grid.Row="0"
-                    Grid.RowSpan="3"
 						Grid.Column="0"
-                    Height="110"
-                    MinWidth="50"
-                    Margin="5,10,20,10"
+						Height="80"
 						Source="resm:Ryujinx.Ui.Common.Resources.Logo_Ryujinx.png?assembly=Ryujinx.Ui.Common" />
+					<flex:FlexPanel
+						Grid.Column="2"
+						HorizontalAlignment="Stretch"
+						VerticalAlignment="Stretch"
+						Direction="Column"
+						JustifyContent="SpaceAround"
+						RowSpacing="2">
 						<TextBlock
-                    Grid.Row="0"
-                    Grid.Column="1"
-                    Margin="0,20,0,0"
-                    FontSize="35"
+							FontSize="28"
+							FontWeight="Bold"
 							Text="Ryujinx"
-                    TextAlignment="Center" />
+							TextAlignment="Left" />
 						<TextBlock
-                    Grid.Row="1"
-                    Grid.Column="1"
-                    Margin="0,0,0,0"
-                    FontSize="16"
 							Text="(REE-YOU-JINX)"
-                    TextAlignment="Center" />
-				<Button
-                    Grid.Row="2"
-                    Grid.Column="1"
-                    Margin="0"
-                    HorizontalAlignment="Center"
-                    Background="Transparent"
-                    Click="Button_OnClick"
-                    Tag="https://www.ryujinx.org/">
-					<TextBlock
-                        Text="www.ryujinx.org"
-                        TextAlignment="Center"
-                        TextDecorations="Underline"
-                        ToolTip.Tip="{locale:Locale AboutUrlTooltipMessage}" />
-				</Button>
+							TextAlignment="Left" />
+					</flex:FlexPanel>
 				</Grid>
 				<TextBlock
-                Grid.Row="1"
 					HorizontalAlignment="Center"
 					VerticalAlignment="Center"
 					Text="{Binding Version}"
-                TextAlignment="Center" />
-			<TextBlock
+					TextAlignment="Center"
+					FontSize="10"
+					LineHeight="12" />
+			</StackPanel>
+			<StackPanel
 				Grid.Row="2"
-                Margin="20"
+				Spacing="10"
+				HorizontalAlignment="Stretch"
+				VerticalAlignment="Stretch">
+				<TextBlock
 	                HorizontalAlignment="Center"
-                MaxLines="2"
+	                Width="200"
 	                Text="{locale:Locale AboutDisclaimerMessage}"
-                TextAlignment="Center" />
+	                TextAlignment="Center"
+	                TextWrapping="Wrap"
+	                FontSize="10"
+	                LineHeight="12" />
 				<TextBlock
 	                Name="AmiiboLabel"
-                Grid.Row="3"
-                Margin="20"
 	                HorizontalAlignment="Center"
-                MaxLines="2"
+	                Width="200"
 	                PointerPressed="AmiiboLabel_OnPointerPressed"
 	                Text="{locale:Locale AboutAmiiboDisclaimerMessage}"
-                TextAlignment="Center" />
+	                TextAlignment="Center"
+	                TextWrapping="Wrap"
+	                FontSize="10"
+	                LineHeight="12" />
 				<StackPanel
-                Grid.Row="4"
 	                HorizontalAlignment="Center"
 	                Orientation="Horizontal"
 	                Spacing="10">
-				<StackPanel Orientation="Vertical" ToolTip.Tip="{locale:Locale AboutPatreonUrlTooltipMessage}">
 					<Button
-                        Height="65"
+						MaxHeight="30"
+						MaxWidth="30"
+						MinHeight="30"
+						MinWidth="30"
+						Padding="8"
+						CornerRadius="15"
 						Background="Transparent"
 						Click="Button_OnClick"
-                        Tag="https://www.patreon.com/ryujinx">
-						<Grid>
-							<Grid.RowDefinitions>
-								<RowDefinition />
-								<RowDefinition Height="Auto" />
-							</Grid.RowDefinitions>
-							<Image Source="resm:Ryujinx.Ui.Common.Resources.Logo_Patreon.png?assembly=Ryujinx.Ui.Common" />
-							<TextBlock
-                                Grid.Row="1"
-                                Margin="0,5,0,0"
-                                HorizontalAlignment="Center"
-                                Text="Patreon" />
-						</Grid>
+						Tag="https://www.patreon.com/ryujinx"
+						ToolTip.Tip="{locale:Locale AboutPatreonUrlTooltipMessage}">
+						<Image Source="{Binding PatreonLogo}" />
 					</Button>
-				</StackPanel>
-				<StackPanel Orientation="Vertical" ToolTip.Tip="{locale:Locale AboutGithubUrlTooltipMessage}">
 					<Button
-                        Height="65"
+						MaxHeight="30"
+						MaxWidth="30"
+						MinHeight="30"
+						MinWidth="30"
+						Padding="8"
+						CornerRadius="15"
 						Background="Transparent"
 						Click="Button_OnClick"
-                        Tag="https://github.com/Ryujinx/Ryujinx">
-						<Grid>
-							<Grid.RowDefinitions>
-								<RowDefinition />
-								<RowDefinition Height="Auto" />
-							</Grid.RowDefinitions>
-							<Image Source="resm:Ryujinx.Ui.Common.Resources.Logo_GitHub.png?assembly=Ryujinx.Ui.Common" />
-							<TextBlock
-                                Grid.Row="1"
-                                Margin="0,5,0,0"
-                                HorizontalAlignment="Center"
-                                Text="GitHub" />
-						</Grid>
+						Tag="https://github.com/Ryujinx/Ryujinx"
+						ToolTip.Tip="{locale:Locale AboutGithubUrlTooltipMessage}">
+						<Image Source="{Binding GithubLogo}" />
 					</Button>
-				</StackPanel>
-				<StackPanel Orientation="Vertical" ToolTip.Tip="{locale:Locale AboutDiscordUrlTooltipMessage}">
 					<Button
-                        Height="65"
+						MaxHeight="30"
+						MaxWidth="30"
+						MinHeight="30"
+						MinWidth="30"
+						Padding="8"
+						CornerRadius="15"
 						Background="Transparent"
 						Click="Button_OnClick"
-                        Tag="https://discordapp.com/invite/N2FmfVc">
-						<Grid>
-							<Grid.RowDefinitions>
-								<RowDefinition />
-								<RowDefinition Height="Auto" />
-							</Grid.RowDefinitions>
-							<Image Source="resm:Ryujinx.Ui.Common.Resources.Logo_Discord.png?assembly=Ryujinx.Ui.Common" />
-							<TextBlock
-                                Grid.Row="1"
-                                Margin="0,5,0,0"
-                                HorizontalAlignment="Center"
-                                Text="Discord" />
-						</Grid>
+						Tag="https://discordapp.com/invite/N2FmfVc"
+						ToolTip.Tip="{locale:Locale AboutDiscordUrlTooltipMessage}">
+						<Image Source="{Binding DiscordLogo}" />
 					</Button>
-				</StackPanel>
-				<StackPanel Orientation="Vertical" ToolTip.Tip="{locale:Locale AboutTwitterUrlTooltipMessage}">
 					<Button
-                        Height="65"
+						MaxHeight="30"
+						MaxWidth="30"
+						MinHeight="30"
+						MinWidth="30"
+						Padding="8"
+						CornerRadius="15"
 						Background="Transparent"
 						Click="Button_OnClick"
-                        Tag="https://twitter.com/RyujinxEmu">
-						<Grid>
-							<Grid.RowDefinitions>
-								<RowDefinition />
-								<RowDefinition Height="Auto" />
-							</Grid.RowDefinitions>
-							<Image Source="resm:Ryujinx.Ui.Common.Resources.Logo_Twitter.png?assembly=Ryujinx.Ui.Common" />
-							<TextBlock
-                                Grid.Row="1"
-                                Margin="0,5,0,0"
-                                HorizontalAlignment="Center"
-                                Text="Twitter" />
-						</Grid>
+						Tag="https://twitter.com/RyujinxEmu"
+						ToolTip.Tip="{locale:Locale AboutTwitterUrlTooltipMessage}">
+						<Image Source="{Binding TwitterLogo}" />
+					</Button>
+					<Button
+						MaxHeight="30"
+						MaxWidth="30"
+						MinHeight="30"
+						MinWidth="30"
+						Padding="8"
+						CornerRadius="15"
+						Background="Transparent"
+						Click="Button_OnClick"
+						Tag="https://www.ryujinx.org"
+						ToolTip.Tip="{locale:Locale AboutUrlTooltipMessage}">
+						<ui:SymbolIcon
+							Symbol="Link"
+							Foreground="{DynamicResource ThemeForegroundColor}" />
 					</Button>
 				</StackPanel>
 			</StackPanel>
 		</Grid>
 		<Border
-            Grid.Row="1"
             Grid.Column="1"
-            Width="2"
-            Margin="5"
+            Width="1"
             VerticalAlignment="Stretch"
-            BorderBrush="White"
-            BorderThickness="1,0,0,0">
-			<Separator Width="0" />
-		</Border>
+            BorderBrush="{DynamicResource ThemeControlBorderColor}"
+            BorderThickness="1,0,0,0"
+            Margin="20 0"/>
 		<Grid
-            Grid.Row="1"
             Grid.Column="2"
-            Margin="20"
 			HorizontalAlignment="Stretch"
             VerticalAlignment="Stretch">
 			<Grid.RowDefinitions>
 				<RowDefinition Height="Auto" />
 				<RowDefinition Height="Auto" />
 				<RowDefinition Height="Auto" />
-				<RowDefinition Height="Auto" />
-				<RowDefinition Height="Auto" />
-				<RowDefinition Height="Auto" />
-				<RowDefinition Height="Auto" />
 			</Grid.RowDefinitions>
+			<StackPanel
+				Grid.Row="0"
+				Margin="0 10 0 0"
+				Spacing="2">
 				<TextBlock
 					FontWeight="Bold"
-                Text="{locale:Locale AboutRyujinxAboutTitle}"
-                TextDecorations="Underline" />
+					FontSize="15"
+					Text="{locale:Locale AboutRyujinxAboutTitle}" />
 				<TextBlock
-                Grid.Row="1"
-                Margin="20,5,5,5"
-                LineHeight="20"
+					FontSize="10"
+					TextWrapping="Wrap"
 					Text="{locale:Locale AboutRyujinxAboutContent}" />
+			</StackPanel>
+			<StackPanel
+				Grid.Row="1"
+				Margin="0 10 0 0"
+				Spacing="2">
 				<TextBlock
-                Grid.Row="2"
-                Margin="0,10,0,0"
 					FontWeight="Bold"
-                Text="{locale:Locale AboutRyujinxMaintainersTitle}"
-                TextDecorations="Underline" />
+					FontSize="15"
+					Text="{locale:Locale AboutRyujinxMaintainersTitle}" />
 				<TextBlock
-                Grid.Row="3"
-                Margin="20,5,5,5"
-                LineHeight="20"
+					FontSize="10"
+					TextWrapping="Wrap"
 					Text="{Binding Developers}" />
 				<Button
-                Grid.Row="4"
-                HorizontalAlignment="Right"
+					HorizontalAlignment="Left"
 					Background="Transparent"
 					Click="Button_OnClick"
+					Padding="5"
 					Tag="https://github.com/Ryujinx/Ryujinx/graphs/contributors?type=a">
 					<TextBlock
+						FontSize="10"
 						Text="{locale:Locale AboutRyujinxContributorsButtonHeader}"
 						TextAlignment="Right"
-                    TextDecorations="Underline"
 						ToolTip.Tip="{locale:Locale AboutRyujinxMaintainersContentTooltipMessage}" />
 				</Button>
+			</StackPanel>
+			<StackPanel
+				Grid.Row="2"
+				Margin="0 10 0 0"
+				Spacing="2">
 				<TextBlock
-                Grid.Row="5"
-                Margin="0,0,0,0"
 					FontWeight="Bold"
-                Text="{locale:Locale AboutRyujinxSupprtersTitle}"
-                TextDecorations="Underline" />
-			<Border
-                Grid.Row="6"
-                Width="460"
-                Height="200"
-                Margin="20,5"
-                Padding="5"
-                VerticalAlignment="Stretch"
-                BorderBrush="White"
-                BorderThickness="1">
+					FontSize="15"
+					Text="{locale:Locale AboutRyujinxSupprtersTitle}" />
+				<ScrollViewer
+					VerticalScrollBarVisibility="Visible"
+					HorizontalScrollBarVisibility="Disabled"
+					Height="70">
 					<TextBlock
 						Name="SupportersTextBlock"
 						VerticalAlignment="Top"
-                    Text="{Binding Supporters}"
-                    TextWrapping="Wrap" />
-			</Border>
+						FontSize="10"
+						TextWrapping="Wrap"
+						Text="{Binding Supporters}" />
+				</ScrollViewer>
+			</StackPanel>
 		</Grid>
 	</Grid>
-</window:StyleableWindow>
+</UserControl>

Ryujinx.Ava/UI/Windows/AboutWindow.axaml.cs

@@ -1,38 +1,48 @@
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
-using Avalonia.Threading;
+using Avalonia.Styling;
+using FluentAvalonia.UI.Controls;
 using Ryujinx.Ava.Common.Locale;
-using Ryujinx.Common.Utilities;
+using Ryujinx.Ava.UI.ViewModels;
 using Ryujinx.Ui.Common.Helper;
-using System.Net.Http;
-using System.Net.NetworkInformation;
 using System.Threading.Tasks;
+using Button = Avalonia.Controls.Button;
 
 namespace Ryujinx.Ava.UI.Windows
 {
-    public partial class AboutWindow : StyleableWindow
+    public partial class AboutWindow : UserControl
     {
         public AboutWindow()
         {
-            if (Program.PreviewerDetached)
-            {
-                Title = $"Ryujinx {Program.Version} - " + LocaleManager.Instance[LocaleKeys.MenuBarHelpAbout];
-            }
-
-            Version = Program.Version;
-
-            DataContext = this;
+            DataContext = new AboutWindowViewModel();
 
             InitializeComponent();
-
-            _ = DownloadPatronsJson();
         }
 
-        public string Supporters { get; set; }
-        public string Version { get; set; }
+        public static async Task Show()
+        {
+            var content = new AboutWindow();
 
-        public string Developers => string.Format(LocaleManager.Instance[LocaleKeys.AboutPageDeveloperListMore], "gdkchan, Ac_K, Thog, rip in peri peri, LDj3SNuD, emmaus, Thealexbarney, Xpl0itR, GoffyDude, »jD«");
+            ContentDialog contentDialog = new()
+            {
+                PrimaryButtonText = "",
+                SecondaryButtonText = "",
+                CloseButtonText = LocaleManager.Instance[LocaleKeys.UserProfilesClose],
+                Content = content
+            };
+
+            Style closeButton = new(x => x.Name("CloseButton"));
+            closeButton.Setters.Add(new Setter(WidthProperty, 80d));
+
+            Style closeButtonParent = new(x => x.Name("CommandSpace"));
+            closeButtonParent.Setters.Add(new Setter(HorizontalAlignmentProperty, Avalonia.Layout.HorizontalAlignment.Right));
+
+            contentDialog.Styles.Add(closeButton);
+            contentDialog.Styles.Add(closeButtonParent);
+
+            await contentDialog.ShowAsync();
+        }
 
         private void Button_OnClick(object sender, RoutedEventArgs e)
         {
@@ -42,31 +52,6 @@ namespace Ryujinx.Ava.UI.Windows
             }
         }
 
-        private async Task DownloadPatronsJson()
-        {
-            if (!NetworkInterface.GetIsNetworkAvailable())
-            {
-                Supporters = LocaleManager.Instance[LocaleKeys.ConnectionError];
-
-                return;
-            }
-
-            HttpClient httpClient = new();
-
-            try
-            {
-                string patreonJsonString = await httpClient.GetStringAsync("https://patreon.ryujinx.org/");
-
-                Supporters = string.Join(", ", JsonHelper.Deserialize<string[]>(patreonJsonString));
-            }
-            catch
-            {
-                Supporters = LocaleManager.Instance[LocaleKeys.ApiError];
-            }
-
-            await Dispatcher.UIThread.InvokeAsync(() => SupportersTextBlock.Text = Supporters);
-        }
-
         private void AmiiboLabel_OnPointerPressed(object sender, PointerPressedEventArgs e)
         {
             if (sender is TextBlock)

Ryujinx.Ava/UI/Windows/MainWindow.axaml

@@ -343,6 +343,7 @@
                             Margin="5,0,5,0"
                             HorizontalAlignment="Right"
                             VerticalAlignment="Center"
+                            VerticalContentAlignment="Center"
                             DockPanel.Dock="Right"
                             KeyUp="SearchBox_OnKeyUp"
                             Text="{Binding SearchText}"

Ryujinx.Common/Logging/Targets/FileLogTarget.cs

@@ -29,7 +29,7 @@ namespace Ryujinx.Common.Logging
                 files[i].Delete();
             }
 
-            string version = ReleaseInformations.GetVersion();
+            string version = ReleaseInformation.GetVersion();
 
             // Get path for the current time
             path = Path.Combine(logDir.FullName, $"Ryujinx_{version}_{DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss")}.log");

Ryujinx.Common/ReleaseInformation.cs

@@ -5,7 +5,7 @@ using System.Reflection;
 namespace Ryujinx.Common
 {
     // DO NOT EDIT, filled by CI
-    public static class ReleaseInformations
+    public static class ReleaseInformation
     {
         private const string FlatHubChannelOwner = "flathub";
 

Ryujinx.HLE/HOS/Horizon.cs

@@ -123,6 +123,8 @@ namespace Ryujinx.HLE.HOS
 
         internal LibHacHorizonManager LibHacHorizonManager { get; private set; }
 
+        internal ServiceTable ServiceTable { get; private set; }
+
         public bool IsPaused { get; private set; }
 
         public Horizon(Switch device)
@@ -326,6 +328,7 @@ namespace Ryujinx.HLE.HOS
 
         private void StartNewServices()
         {
+            ServiceTable = new ServiceTable();
             var services = ServiceTable.GetServices(new HorizonOptions(Device.Configuration.IgnoreMissingServices));
 
             foreach (var service in services)

Ryujinx.HLE/HOS/ProgramLoader.cs

@@ -182,6 +182,8 @@ namespace Ryujinx.HLE.HOS
             byte[] arguments = null,
             params IExecutable[] executables)
         {
+            context.Device.System.ServiceTable.WaitServicesReady();
+
             LibHac.Result rc = metaData.GetNpdm(out var npdm);
 
             if (rc.IsFailure())

Ryujinx.HLE/HOS/Services/Lm/ILogService.cs

@@ -1,19 +0,0 @@
-using Ryujinx.HLE.HOS.Services.Lm.LogService;
-
-namespace Ryujinx.HLE.HOS.Services.Lm
-{
-    [Service("lm")]
-    class ILogService : IpcService
-    {
-        public ILogService(ServiceCtx context) { }
-
-        [CommandHipc(0)]
-        // Initialize(u64, pid) -> object<nn::lm::ILogger>
-        public ResultCode Initialize(ServiceCtx context)
-        {
-            MakeObject(context, new ILogger());
-
-            return ResultCode.Success;
-        }
-    }
-}

Ryujinx.HLE/HOS/Services/Lm/LogService/ILogger.cs

@@ -1,109 +0,0 @@
-using Ryujinx.Common.Logging;
-using System.IO;
-using System.Text;
-
-namespace Ryujinx.HLE.HOS.Services.Lm.LogService
-{
-    class ILogger : IpcService
-    {
-        public ILogger() { }
-
-        [CommandHipc(0)]
-        // Log(buffer<unknown, 0x21>)
-        public ResultCode Log(ServiceCtx context)
-        {
-            Logger.Guest?.Print(LogClass.ServiceLm, LogImpl(context));
-
-            return ResultCode.Success;
-        }
-
-        private string LogImpl(ServiceCtx context)
-        {
-            (ulong bufPos, ulong bufSize) = context.Request.GetBufferType0x21();
-
-            byte[] logBuffer = new byte[bufSize];
-
-            context.Memory.Read(bufPos, logBuffer);
-
-            using MemoryStream ms = new MemoryStream(logBuffer);
-
-            BinaryReader reader = new BinaryReader(ms);
-
-            long pid = reader.ReadInt64();
-            long threadContext = reader.ReadInt64();
-            short flags = reader.ReadInt16();
-            byte level = reader.ReadByte();
-            byte verbosity = reader.ReadByte();
-            int payloadLength = reader.ReadInt32();
-
-            StringBuilder sb = new StringBuilder();
-
-            sb.AppendLine($"Guest Log:\n  Log level: {(LmLogLevel)level}");
-
-            while (ms.Position < ms.Length)
-            {
-                int type = ReadEncodedInt(reader);
-                int size = ReadEncodedInt(reader);
-
-                LmLogField field = (LmLogField)type;
-
-                string fieldStr = string.Empty;
-
-                if (field == LmLogField.Start)
-                {
-                    reader.ReadBytes(size);
-
-                    continue;
-                }
-                else if (field == LmLogField.Stop)
-                {
-                    break;
-                }
-                else if (field == LmLogField.Line)
-                {
-                    fieldStr = $"{field}: {reader.ReadInt32()}";
-                }
-                else if (field == LmLogField.DropCount)
-                {
-                    fieldStr = $"{field}: {reader.ReadInt64()}";
-                }
-                else if (field == LmLogField.Time)
-                {
-                    fieldStr = $"{field}: {reader.ReadInt64()}s";
-                }
-                else if (field < LmLogField.Count)
-                {
-                    fieldStr = $"{field}: '{Encoding.UTF8.GetString(reader.ReadBytes(size)).TrimEnd()}'";
-                }
-                else
-                {
-                    fieldStr = $"Field{field}: '{Encoding.UTF8.GetString(reader.ReadBytes(size)).TrimEnd()}'";
-                }
-
-                sb.AppendLine($"    {fieldStr}");
-            }
-
-            return sb.ToString();
-        }
-
-        private static int ReadEncodedInt(BinaryReader reader)
-        {
-            int result = 0;
-            int position = 0;
-
-            byte encoded;
-
-            do
-            {
-                encoded = reader.ReadByte();
-
-                result += (encoded & 0x7F) << (7 * position);
-
-                position++;
-
-            } while ((encoded & 0x80) != 0);
-
-            return result;
-        }
-    }
-}

Ryujinx.HLE/HOS/Services/Lm/LogService/Types/LmLogField.cs

@@ -1,18 +0,0 @@
-namespace Ryujinx.HLE.HOS.Services.Lm.LogService
-{
-    enum LmLogField
-    {
-        Start       = 0,
-        Stop        = 1,
-        Message     = 2,
-        Line        = 3,
-        Filename    = 4,
-        Function    = 5,
-        Module      = 6,
-        Thread      = 7,
-        DropCount   = 8,
-        Time        = 9,
-        ProgramName = 10,
-        Count
-    }
-}

Ryujinx.HLE/HOS/Services/Lm/LogService/Types/LmLogLevel.cs

@@ -1,11 +0,0 @@
-namespace Ryujinx.HLE.HOS.Services.Lm.LogService
-{
-    enum LmLogLevel
-    {
-        Trace,
-        Info,
-        Warning,
-        Error,
-        Critical
-    }
-}

Ryujinx.HLE/HOS/Services/Prepo/IPrepoService.cs

@@ -1,182 +0,0 @@
-using MsgPack;
-using MsgPack.Serialization;
-using Ryujinx.Common;
-using Ryujinx.Common.Logging;
-using Ryujinx.Common.Utilities;
-using Ryujinx.HLE.HOS.Services.Account.Acc;
-using Ryujinx.HLE.Utilities;
-using System;
-using System.Text;
-
-namespace Ryujinx.HLE.HOS.Services.Prepo
-{
-    [Service("prepo:a",  PrepoServicePermissionLevel.Admin)] // 1.0.0-5.1.0
-    [Service("prepo:a2", PrepoServicePermissionLevel.Admin)] // 6.0.0+
-    [Service("prepo:m",  PrepoServicePermissionLevel.Manager)]
-    [Service("prepo:u",  PrepoServicePermissionLevel.User)]
-    [Service("prepo:s",  PrepoServicePermissionLevel.System)]
-    class IPrepoService : IpcService
-    {
-        private PrepoServicePermissionLevel _permission;
-        private ulong _systemSessionId;
-
-        public IPrepoService(ServiceCtx context, PrepoServicePermissionLevel permission)
-        {
-            _permission = permission;
-        }
-
-        [CommandHipc(10100)] // 1.0.0-5.1.0
-        [CommandHipc(10102)] // 6.0.0-9.2.0
-        [CommandHipc(10104)] // 10.0.0+
-        // SaveReport(u64, pid, buffer<u8, 9>, buffer<bytes, 5>)
-        public ResultCode SaveReport(ServiceCtx context)
-        {
-            if ((_permission & PrepoServicePermissionLevel.User) == 0)
-            {
-                return ResultCode.PermissionDenied;
-            }
-
-            // We don't care about the differences since we don't use the play report.
-            return ProcessReport(context, withUserID: false);
-        }
-
-        [CommandHipc(10101)] // 1.0.0-5.1.0
-        [CommandHipc(10103)] // 6.0.0-9.2.0
-        [CommandHipc(10105)] // 10.0.0+
-        // SaveReportWithUser(nn::account::Uid, u64, pid, buffer<u8, 9>, buffer<bytes, 5>)
-        public ResultCode SaveReportWithUser(ServiceCtx context)
-        {
-            if ((_permission & PrepoServicePermissionLevel.User) == 0)
-            {
-                return ResultCode.PermissionDenied;
-            }
-
-            // We don't care about the differences since we don't use the play report.
-            return ProcessReport(context, withUserID: true);
-        }
-
-        [CommandHipc(10200)]
-        // RequestImmediateTransmission()
-        public ResultCode RequestImmediateTransmission(ServiceCtx context)
-        {
-            // It signals an event of nn::prepo::detail::service::core::TransmissionStatusManager that requests the transmission of the report.
-            // Since we don't use reports it's fine to do nothing.
-
-            return ResultCode.Success;
-        }
-
-        [CommandHipc(10300)]
-        // GetTransmissionStatus() -> u32
-        public ResultCode GetTransmissionStatus(ServiceCtx context)
-        {
-            // It returns the transmission result of nn::prepo::detail::service::core::TransmissionStatusManager.
-            // Since we don't use reports it's fine to return ResultCode.Success.
-            context.ResponseData.Write((int)ResultCode.Success);
-
-            return ResultCode.Success;
-        }
-
-        [CommandHipc(10400)] // 9.0.0+
-        // GetSystemSessionId() -> u64
-        public ResultCode GetSystemSessionId(ServiceCtx context)
-        {
-            if ((_permission & PrepoServicePermissionLevel.User) == 0)
-            {
-                return ResultCode.PermissionDenied;
-            }
-
-            if (_systemSessionId == 0)
-            {
-                byte[] randomBuffer = new byte[8];
-
-                Random.Shared.NextBytes(randomBuffer);
-
-                _systemSessionId = BitConverter.ToUInt64(randomBuffer, 0);
-            }
-
-            context.ResponseData.Write(_systemSessionId);
-
-            return ResultCode.Success;
-        }
-
-        [CommandHipc(20100)]
-        // SaveSystemReport(u64, pid, buffer<u8, 9>, buffer<bytes, 5>)
-        public ResultCode SaveSystemReport(ServiceCtx context)
-        {
-            if ((_permission & PrepoServicePermissionLevel.System) != 0)
-            {
-                return ResultCode.PermissionDenied;
-            }
-
-            // We don't care about the differences since we don't use the play report.
-            return ProcessReport(context, withUserID: false);
-        }
-
-        [CommandHipc(20101)]
-        // SaveSystemReportWithUser(nn::account::Uid, u64, pid, buffer<u8, 9>, buffer<bytes, 5>)
-        public ResultCode SaveSystemReportWithUser(ServiceCtx context)
-        {
-            if ((_permission & PrepoServicePermissionLevel.System) != 0)
-            {
-                return ResultCode.PermissionDenied;
-            }
-
-            // We don't care about the differences since we don't use the play report.
-            return ProcessReport(context, withUserID: true);
-        }
-
-        private ResultCode ProcessReport(ServiceCtx context, bool withUserID)
-        {
-            UserId userId   = withUserID ? context.RequestData.ReadStruct<UserId>() : new UserId();
-            string gameRoom = StringUtils.ReadUtf8String(context);
-
-            if (withUserID)
-            {
-                if (userId.IsNull)
-                {
-                    return ResultCode.InvalidArgument;
-                }
-            }
-
-            if (gameRoom == string.Empty)
-            {
-                return ResultCode.InvalidState;
-            }
-
-            ulong inputPosition = context.Request.SendBuff[0].Position;
-            ulong inputSize     = context.Request.SendBuff[0].Size;
-
-            if (inputSize == 0)
-            {
-                return ResultCode.InvalidBufferSize;
-            }
-
-            byte[] inputBuffer = new byte[inputSize];
-
-            context.Memory.Read(inputPosition, inputBuffer);
-
-            Logger.Info?.Print(LogClass.ServicePrepo, ReadReportBuffer(inputBuffer, gameRoom, userId));
-
-            return ResultCode.Success;
-        }
-
-        private string ReadReportBuffer(byte[] buffer, string room, UserId userId)
-        {
-            StringBuilder     builder            = new StringBuilder();
-            MessagePackObject deserializedReport = MessagePackSerializer.UnpackMessagePackObject(buffer);
-
-            builder.AppendLine();
-            builder.AppendLine("PlayReport log:");
-
-            if (!userId.IsNull)
-            {
-                builder.AppendLine($" UserId: {userId}");
-            }
-
-            builder.AppendLine($" Room: {room}");
-            builder.AppendLine($" Report: {MessagePackObjectFormatter.Format(deserializedReport)}");
-
-            return builder.ToString();
-        }
-    }
-}

Ryujinx.HLE/HOS/Services/Prepo/ResultCode.cs

@@ -1,15 +0,0 @@
-namespace Ryujinx.HLE.HOS.Services.Prepo
-{
-    enum ResultCode
-    {
-        ModuleId       = 129,
-        ErrorCodeShift = 9,
-
-        Success = 0,
-
-        InvalidArgument   = (1  << ErrorCodeShift) | ModuleId,
-        InvalidState      = (5  << ErrorCodeShift) | ModuleId,
-        InvalidBufferSize = (9  << ErrorCodeShift) | ModuleId,
-        PermissionDenied  = (90 << ErrorCodeShift) | ModuleId
-    }
-}

Ryujinx.HLE/HOS/Services/Sm/IUserInterface.cs

@@ -180,7 +180,7 @@ namespace Ryujinx.HLE.HOS.Services.Sm
                 return ResultCode.InvalidName;
             }
 
-            Logger.Info?.Print(LogClass.ServiceSm, $"Register \"{name}\".");
+            Logger.Debug?.Print(LogClass.ServiceSm, $"Register \"{name}\".");
 
             KPort port = new KPort(context.Device.System.KernelContext, maxSessions, isLight, null);
 

Ryujinx.Headless.SDL2/Program.cs

@@ -59,7 +59,7 @@ namespace Ryujinx.Headless.SDL2
 
         static void Main(string[] args)
         {
-            Version = ReleaseInformations.GetVersion();
+            Version = ReleaseInformation.GetVersion();
 
             Console.Title = $"Ryujinx Console {Version} (Headless SDL2)";
 
@@ -419,7 +419,7 @@ namespace Ryujinx.Headless.SDL2
             if ((bool)option.EnableFileLog)
             {
                 Logger.AddTarget(new AsyncLogTargetWrapper(
-                    new FileLogTarget(ReleaseInformations.GetBaseApplicationDirectory(), "file"),
+                    new FileLogTarget(ReleaseInformation.GetBaseApplicationDirectory(), "file"),
                     1000,
                     AsyncLogTargetOverflowAction.Block
                 ));

Ryujinx.Horizon.Generators/Hipc/HipcGenerator.cs

@@ -123,6 +123,12 @@ namespace Ryujinx.Horizon.Generators.Hipc
                 {
                     string[] args = new string[method.ParameterList.Parameters.Count];
 
+                    if (args.Length == 0)
+                    {
+                        generator.AppendLine($"{{ {commandId}, new CommandHandler({method.Identifier.Text}, Array.Empty<CommandArg>()) }},");
+                    }
+                    else
+                    {
                         int index = 0;
 
                         foreach (var parameter in method.ParameterList.Parameters)
@@ -163,6 +169,7 @@ namespace Ryujinx.Horizon.Generators.Hipc
                         generator.AppendLine($"{{ {commandId}, new CommandHandler({method.Identifier.Text}, {string.Join(", ", args)}) }},");
                     }
                 }
+            }
 
             generator.LeaveScope(";");
             generator.LeaveScope();

Ryujinx.Horizon/HorizonOptions.cs

@@ -3,10 +3,12 @@ namespace Ryujinx.Horizon
     public struct HorizonOptions
     {
         public bool IgnoreMissingServices    { get; }
+        public bool ThrowOnInvalidCommandIds { get; }
 
         public HorizonOptions(bool ignoreMissingServices)
         {
             IgnoreMissingServices    = ignoreMissingServices;
+            ThrowOnInvalidCommandIds = true;
         }
     }
 }

Ryujinx.Horizon/IService.cs

@@ -2,6 +2,6 @@
 {
     interface IService
     {
-        abstract static void Main();
+        abstract static void Main(ServiceTable serviceTable);
     }
 }

Ryujinx.Horizon/LogManager/Ipc/LmLogger.cs

@@ -9,23 +9,23 @@ using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Text;
 
-namespace Ryujinx.Horizon.LogManager
+namespace Ryujinx.Horizon.LogManager.Ipc
 {
-    partial class LmLogger : IServiceObject
+    partial class LmLogger : ILmLogger
     {
-        private readonly LmLog _log;
-        private readonly ulong _clientProcessId;
+        private readonly LogService _log;
+        private readonly ulong      _pid;
 
-        public LmLogger(LmLog log, ulong clientProcessId)
+        public LmLogger(LogService log, ulong pid)
         {
             _log = log;
-            _clientProcessId = clientProcessId;
+            _pid = pid;
         }
 
         [CmifCommand(0)]
         public Result Log([Buffer(HipcBufferFlags.In | HipcBufferFlags.AutoSelect)] Span<byte> message)
         {
-            if (!SetProcessId(message, _clientProcessId))
+            if (!SetProcessId(message, _pid))
             {
                 return Result.Success;
             }
@@ -35,7 +35,7 @@ namespace Ryujinx.Horizon.LogManager
             return Result.Success;
         }
 
-        [CmifCommand(1)]
+        [CmifCommand(1)] // 3.0.0+
         public Result SetDestination(LogDestination destination)
         {
             _log.LogDestination = destination;
@@ -48,7 +48,6 @@ namespace Ryujinx.Horizon.LogManager
             ref LogPacketHeader header = ref MemoryMarshal.Cast<byte, LogPacketHeader>(message)[0];
 
             uint expectedMessageSize = (uint)Unsafe.SizeOf<LogPacketHeader>() + header.PayloadSize;
-
             if (expectedMessageSize != (uint)message.Length)
             {
                 Logger.Warning?.Print(LogClass.ServiceLm, $"Invalid message size (expected 0x{expectedMessageSize:X} but got 0x{message.Length:X}).");
@@ -63,13 +62,11 @@ namespace Ryujinx.Horizon.LogManager
 
         private static string LogImpl(ReadOnlySpan<byte> message)
         {
-            SpanReader reader = new SpanReader(message);
-
+            SpanReader      reader  = new(message);
             LogPacketHeader header  = reader.Read<LogPacketHeader>();
+            StringBuilder   builder = new();
 
-            StringBuilder sb = new StringBuilder();
-
-            sb.AppendLine($"Guest Log:\n  Log level: {header.Severity}");
+            builder.AppendLine($"Guest Log:\n  Log level: {header.Severity}");
 
             while (reader.Length > 0)
             {
@@ -78,7 +75,7 @@ namespace Ryujinx.Horizon.LogManager
 
                 LogDataChunkKey field = (LogDataChunkKey)type;
 
-                string fieldStr = string.Empty;
+                string fieldStr;
 
                 if (field == LogDataChunkKey.Start)
                 {
@@ -111,10 +108,10 @@ namespace Ryujinx.Horizon.LogManager
                     fieldStr = $"Field{field}: '{Encoding.UTF8.GetString(reader.GetSpan(size)).TrimEnd()}'";
                 }
 
-                sb.AppendLine($"    {fieldStr}");
+                builder.AppendLine($"    {fieldStr}");
             }
 
-            return sb.ToString();
+            return builder.ToString();
         }
 
         private static int ReadUleb128(ref SpanReader reader)

Ryujinx.Horizon/LogManager/Ipc/LogService.cs

@@ -2,16 +2,17 @@
 using Ryujinx.Horizon.Sdk.Lm;
 using Ryujinx.Horizon.Sdk.Sf;
 
-namespace Ryujinx.Horizon.LogManager
+namespace Ryujinx.Horizon.LogManager.Ipc
 {
-    partial class LmLog : IServiceObject
+    partial class LogService : ILogService
     {
         public LogDestination LogDestination { get; set; } = LogDestination.TargetManager;
 
         [CmifCommand(0)]
-        public Result OpenLogger(out LmLogger logger, [ClientProcessId] ulong clientProcessId)
+        public Result OpenLogger(out LmLogger logger, [ClientProcessId] ulong pid)
         {
-            logger = new LmLogger(this, clientProcessId);
+            // NOTE: Internal name is Logger, but we rename it LmLogger to avoid name clash with Ryujinx.Common.Logging logger.
+            logger = new LmLogger(this, pid);
 
             return Result.Success;
         }

Ryujinx.Horizon/LogManager/LmIpcServer.cs

@@ -1,6 +1,6 @@
-using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.LogManager.Ipc;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
 using Ryujinx.Horizon.Sdk.Sm;
-using Ryujinx.Horizon.Sm;
 
 namespace Ryujinx.Horizon.LogManager
 {
@@ -11,34 +11,23 @@ namespace Ryujinx.Horizon.LogManager
         private const int PointerBufferSize = 0x400;
         private const int MaxDomains        = 31;
         private const int MaxDomainObjects  = 61;
-
         private const int MaxPortsCount     = 1;
 
-        private static readonly ManagerOptions _logManagerOptions = new ManagerOptions(
-            PointerBufferSize,
-            MaxDomains,
-            MaxDomainObjects,
-            false);
-
-        private static readonly ServiceName _logServiceName = ServiceName.Encode("lm");
+        private static readonly ManagerOptions _logManagerOptions = new(PointerBufferSize, MaxDomains, MaxDomainObjects, false);
 
         private SmApi         _sm;
         private ServerManager _serverManager;
 
-        private LmLog _logServiceObject;
-
         public void Initialize()
         {
-            HeapAllocator allocator = new HeapAllocator();
+            HeapAllocator allocator = new();
 
             _sm = new SmApi();
             _sm.Initialize().AbortOnFailure();
 
             _serverManager = new ServerManager(allocator, _sm, MaxPortsCount, _logManagerOptions, LogMaxSessionsCount);
 
-            _logServiceObject = new LmLog();
-
-            _serverManager.RegisterObjectForServer(_logServiceObject, _logServiceName, LogMaxSessionsCount);
+            _serverManager.RegisterObjectForServer(new LogService(), ServiceName.Encode("lm"), LogMaxSessionsCount);
         }
 
         public void ServiceRequests()

Ryujinx.Horizon/LogManager/LmMain.cs

@@ -2,11 +2,14 @@
 {
     class LmMain : IService
     {
-        public static void Main()
+        public static void Main(ServiceTable serviceTable)
         {
-            LmIpcServer ipcServer = new LmIpcServer();
+            LmIpcServer ipcServer = new();
 
             ipcServer.Initialize();
+
+            serviceTable.SignalServiceReady();
+
             ipcServer.ServiceRequests();
             ipcServer.Shutdown();
         }

Ryujinx.Horizon/Prepo/Ipc/PrepoService.cs

@@ -0,0 +1,218 @@
+using MsgPack;
+using MsgPack.Serialization;
+using Ryujinx.Common.Logging;
+using Ryujinx.Common.Utilities;
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Prepo.Types;
+using Ryujinx.Horizon.Sdk.Account;
+using Ryujinx.Horizon.Sdk.Prepo;
+using Ryujinx.Horizon.Sdk.Sf;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using System;
+using System.Text;
+
+namespace Ryujinx.Horizon.Prepo.Ipc
+{
+    partial class PrepoService : IPrepoService
+    {
+        enum PlayReportKind
+        {
+            Normal,
+            System
+        }
+
+        private readonly PrepoServicePermissionLevel _permissionLevel;
+        private ulong _systemSessionId;
+
+        private bool _immediateTransmissionEnabled = false;
+        private bool _userAgreementCheckEnabled    = true;
+
+        public PrepoService(PrepoServicePermissionLevel permissionLevel)
+        {
+            _permissionLevel = permissionLevel;
+        }
+
+        [CmifCommand(10100)] // 1.0.0-5.1.0
+        [CmifCommand(10102)] // 6.0.0-9.2.0
+        [CmifCommand(10104)] // 10.0.0+
+        public Result SaveReport([Buffer(HipcBufferFlags.In | HipcBufferFlags.Pointer)] ReadOnlySpan<byte> gameRoomBuffer, [Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> reportBuffer, [ClientProcessId] ulong pid)
+        {
+            if ((_permissionLevel & PrepoServicePermissionLevel.User) == 0)
+            {
+                return PrepoResult.PermissionDenied;
+            }
+
+            ProcessPlayReport(PlayReportKind.Normal, pid, gameRoomBuffer, reportBuffer, Uid.Null);
+
+            return Result.Success;
+        }
+
+        [CmifCommand(10101)] // 1.0.0-5.1.0
+        [CmifCommand(10103)] // 6.0.0-9.2.0
+        [CmifCommand(10105)] // 10.0.0+
+        public Result SaveReportWithUser(Uid userId, [Buffer(HipcBufferFlags.In | HipcBufferFlags.Pointer)] ReadOnlySpan<byte> gameRoomBuffer, [Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> reportBuffer, [ClientProcessId] ulong pid)
+        {
+            if ((_permissionLevel & PrepoServicePermissionLevel.User) == 0)
+            {
+                return PrepoResult.PermissionDenied;
+            }
+
+            ProcessPlayReport(PlayReportKind.Normal, pid, gameRoomBuffer, reportBuffer, userId, true);
+
+            return Result.Success;
+        }
+
+        [CmifCommand(10200)]
+        public Result RequestImmediateTransmission()
+        {
+            _immediateTransmissionEnabled = true;
+
+            // It signals an event of nn::prepo::detail::service::core::TransmissionStatusManager that requests the transmission of the report.
+            // Since we don't use reports, it's fine to do nothing.
+
+            return Result.Success;
+        }
+
+        [CmifCommand(10300)]
+        public Result GetTransmissionStatus(out int status)
+        {
+            status = 0;
+
+            if (_immediateTransmissionEnabled && _userAgreementCheckEnabled)
+            {
+                status = 1;
+            }
+
+            return Result.Success;
+        }
+
+        [CmifCommand(10400)] // 9.0.0+
+        public Result GetSystemSessionId(out ulong systemSessionId)
+        {
+            systemSessionId = default;
+
+            if ((_permissionLevel & PrepoServicePermissionLevel.User) == 0)
+            {
+                return PrepoResult.PermissionDenied;
+            }
+
+            if (_systemSessionId == 0)
+            {
+                _systemSessionId = (ulong)Random.Shared.NextInt64();
+            }
+
+            systemSessionId = _systemSessionId;
+
+            return Result.Success;
+        }
+
+        [CmifCommand(20100)]
+        public Result SaveSystemReport([Buffer(HipcBufferFlags.In | HipcBufferFlags.Pointer)] ReadOnlySpan<byte> gameRoomBuffer, [Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> reportBuffer, [ClientProcessId] ulong pid)
+        {
+            if ((_permissionLevel & PrepoServicePermissionLevel.System) != 0)
+            {
+                return PrepoResult.PermissionDenied;
+            }
+
+            return ProcessPlayReport(PlayReportKind.System, pid, gameRoomBuffer, reportBuffer, Uid.Null);
+        }
+
+        [CmifCommand(20101)]
+        public Result SaveSystemReportWithUser(Uid userId, [Buffer(HipcBufferFlags.In | HipcBufferFlags.Pointer)] ReadOnlySpan<byte> gameRoomBuffer, [Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> reportBuffer, [ClientProcessId] ulong pid)
+        {
+            if ((_permissionLevel & PrepoServicePermissionLevel.System) != 0)
+            {
+                return PrepoResult.PermissionDenied;
+            }
+
+            return ProcessPlayReport(PlayReportKind.System, pid, gameRoomBuffer, reportBuffer, userId, true);
+        }
+
+        [CmifCommand(40100)] // 2.0.0+
+        public Result IsUserAgreementCheckEnabled(out bool enabled)
+        {
+            enabled = false;
+
+            if (_permissionLevel == PrepoServicePermissionLevel.User || _permissionLevel == PrepoServicePermissionLevel.System)
+            {
+                enabled = _userAgreementCheckEnabled;
+
+                // If "enabled" is false, it sets some internal fields to 0.
+                // Then, it mounts "prepo-sys:/is_user_agreement_check_enabled.bin" and returns the contained bool.
+                // We can return the private bool instead, we don't care about the agreement since we don't send reports.
+
+                return Result.Success;
+            }
+
+            return PrepoResult.PermissionDenied;
+        }
+
+        [CmifCommand(40101)] // 2.0.0+
+        public Result SetUserAgreementCheckEnabled(bool enabled)
+        {
+            if (_permissionLevel == PrepoServicePermissionLevel.User || _permissionLevel == PrepoServicePermissionLevel.System)
+            {
+                _userAgreementCheckEnabled = enabled;
+
+                // If "enabled" is false, it sets some internal fields to 0.
+                // Then, it mounts "prepo-sys:/is_user_agreement_check_enabled.bin" and stores the "enabled" value.
+                // We can store in the private bool instead, we don't care about the agreement since we don't send reports.
+
+                return Result.Success;
+            }
+
+            return PrepoResult.PermissionDenied;
+        }
+
+        private static Result ProcessPlayReport(PlayReportKind playReportKind, ulong pid, ReadOnlySpan<byte> gameRoomBuffer, ReadOnlySpan<byte> reportBuffer, Uid userId, bool withUserId = false)
+        {
+            if (withUserId)
+            {
+                if (userId.IsNull)
+                {
+                    return PrepoResult.InvalidArgument;
+                }
+            }
+
+            if (gameRoomBuffer.Length > 31)
+            {
+                return PrepoResult.InvalidArgument;
+            }
+
+            string gameRoom = Encoding.UTF8.GetString(gameRoomBuffer).TrimEnd();
+
+            if (gameRoom == string.Empty)
+            {
+                return PrepoResult.InvalidState;
+            }
+
+            if (reportBuffer.Length == 0)
+            {
+                return PrepoResult.InvalidBufferSize;
+            }
+
+            // NOTE: The service calls arp:r using the pid to get the application id, if it fails PrepoResult.InvalidPid is returned.
+            //       Reports are stored internally and an event is signaled to transmit them.
+
+            StringBuilder     builder            = new();
+            MessagePackObject deserializedReport = MessagePackSerializer.UnpackMessagePackObject(reportBuffer.ToArray());
+
+            builder.AppendLine();
+            builder.AppendLine("PlayReport log:");
+            builder.AppendLine($" Kind: {playReportKind}");
+            builder.AppendLine($" Pid: {pid}");
+
+            if (!userId.IsNull)
+            {
+                builder.AppendLine($" UserId: {userId}");
+            }
+
+            builder.AppendLine($" Room: {gameRoom}");
+            builder.AppendLine($" Report: {MessagePackObjectFormatter.Format(deserializedReport)}");
+
+            Logger.Info?.Print(LogClass.ServicePrepo, builder.ToString());
+
+            return Result.Success;
+        }
+    }
+}

Ryujinx.Horizon/Prepo/PrepoIpcServer.cs

@@ -0,0 +1,49 @@
+using Ryujinx.Horizon.Prepo.Types;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.Sdk.Sm;
+
+namespace Ryujinx.Horizon.Prepo
+{
+    class PrepoIpcServer
+    {
+        private const int PrepoMaxSessionsCount      = 12;
+        private const int PrepoTotalMaxSessionsCount = PrepoMaxSessionsCount * 6;
+
+        private const int PointerBufferSize = 0x3800;
+        private const int MaxDomains        = 64;
+        private const int MaxDomainObjects  = 16;
+        private const int MaxPortsCount     = 6;
+
+        private static readonly ManagerOptions _logManagerOptions = new(PointerBufferSize, MaxDomains, MaxDomainObjects, false);
+
+        private SmApi _sm;
+        private PrepoServerManager _serverManager;
+
+        public void Initialize()
+        {
+            HeapAllocator allocator = new();
+
+            _sm = new SmApi();
+            _sm.Initialize().AbortOnFailure();
+
+            _serverManager = new PrepoServerManager(allocator, _sm, MaxPortsCount, _logManagerOptions, PrepoTotalMaxSessionsCount);
+
+            _serverManager.RegisterServer((int)PrepoPortIndex.Admin,   ServiceName.Encode("prepo:a"),  PrepoMaxSessionsCount); // 1.0.0-5.1.0
+            _serverManager.RegisterServer((int)PrepoPortIndex.Admin2,  ServiceName.Encode("prepo:a2"), PrepoMaxSessionsCount); // 6.0.0+
+            _serverManager.RegisterServer((int)PrepoPortIndex.Manager, ServiceName.Encode("prepo:m"),  PrepoMaxSessionsCount);
+            _serverManager.RegisterServer((int)PrepoPortIndex.User,    ServiceName.Encode("prepo:u"),  PrepoMaxSessionsCount);
+            _serverManager.RegisterServer((int)PrepoPortIndex.System,  ServiceName.Encode("prepo:s"),  PrepoMaxSessionsCount);
+            _serverManager.RegisterServer((int)PrepoPortIndex.Debug,   ServiceName.Encode("prepo:d"),  PrepoMaxSessionsCount); // 1.0.0
+        }
+
+        public void ServiceRequests()
+        {
+            _serverManager.ServiceRequests();
+        }
+
+        public void Shutdown()
+        {
+            _serverManager.Dispose();
+        }
+    }
+}

Ryujinx.Horizon/Prepo/PrepoMain.cs

@@ -0,0 +1,17 @@
+namespace Ryujinx.Horizon.Prepo
+{
+    class PrepoMain : IService
+    {
+        public static void Main(ServiceTable serviceTable)
+        {
+            PrepoIpcServer ipcServer = new();
+
+            ipcServer.Initialize();
+
+            serviceTable.SignalServiceReady();
+
+            ipcServer.ServiceRequests();
+            ipcServer.Shutdown();
+        }
+    }
+}

Ryujinx.Horizon/Prepo/PrepoResult.cs

@@ -0,0 +1,15 @@
+using Ryujinx.Horizon.Common;
+
+namespace Ryujinx.Horizon.Prepo
+{
+    static class PrepoResult
+    {
+        private const int ModuleId = 129;
+
+        public static Result InvalidArgument   => new(ModuleId, 1);
+        public static Result InvalidState      => new(ModuleId, 5);
+        public static Result InvalidBufferSize => new(ModuleId, 9);
+        public static Result PermissionDenied  => new(ModuleId, 90);
+        public static Result InvalidPid        => new(ModuleId, 101);
+    }
+}

Ryujinx.Horizon/Prepo/PrepoServerManager.cs

@@ -0,0 +1,30 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Prepo.Ipc;
+using Ryujinx.Horizon.Prepo.Types;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.Sdk.Sm;
+using System;
+
+namespace Ryujinx.Horizon.Prepo
+{
+    class PrepoServerManager : ServerManager
+    {
+        public PrepoServerManager(HeapAllocator allocator, SmApi sm, int maxPorts, ManagerOptions options, int maxSessions) : base(allocator, sm, maxPorts, options, maxSessions)
+        {
+        }
+
+        protected override Result OnNeedsToAccept(int portIndex, Server server)
+        {
+            return (PrepoPortIndex)portIndex switch
+            {
+                PrepoPortIndex.Admin   => AcceptImpl(server, new PrepoService(PrepoServicePermissionLevel.Admin)),
+                PrepoPortIndex.Admin2  => AcceptImpl(server, new PrepoService(PrepoServicePermissionLevel.Admin)),
+                PrepoPortIndex.Manager => AcceptImpl(server, new PrepoService(PrepoServicePermissionLevel.Manager)),
+                PrepoPortIndex.User    => AcceptImpl(server, new PrepoService(PrepoServicePermissionLevel.User)),
+                PrepoPortIndex.System  => AcceptImpl(server, new PrepoService(PrepoServicePermissionLevel.System)),
+                PrepoPortIndex.Debug   => AcceptImpl(server, new PrepoService(PrepoServicePermissionLevel.Debug)),
+                _                      => throw new ArgumentOutOfRangeException(nameof(portIndex)),
+            };
+        }
+    }
+}

Ryujinx.Horizon/Prepo/Types/PrepoPortIndex.cs

@@ -0,0 +1,12 @@
+namespace Ryujinx.Horizon.Prepo.Types
+{
+    enum PrepoPortIndex
+    {
+        Admin,
+        Admin2,
+        Manager,
+        User,
+        System,
+        Debug
+    }
+}

Ryujinx.Horizon/Prepo/Types/PrepoServicePermissionLevel.cs

@@ -1,10 +1,11 @@
-namespace Ryujinx.HLE.HOS.Services.Prepo
+namespace Ryujinx.Horizon.Prepo.Types
 {
     enum PrepoServicePermissionLevel
     {
         Admin   = -1,
         User    = 1,
         System  = 2,
-        Manager = 6
+        Manager = 6,
+        Debug   = unchecked((int)0x80000006)
     }
 }

Ryujinx.Horizon/Ryujinx.Horizon.csproj

@@ -11,4 +11,8 @@
     <ProjectReference Include="..\Ryujinx.Memory\Ryujinx.Memory.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="LibHac" />
+  </ItemGroup>
+
 </Project>

Ryujinx.Horizon/Sdk/Account/Uid.cs

@@ -0,0 +1,62 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Horizon.Sdk.Account
+{
+    [StructLayout(LayoutKind.Sequential)]
+    public readonly record struct Uid
+    {
+        public readonly long High;
+        public readonly long Low;
+
+        public bool IsNull => (Low | High) == 0;
+
+        public static Uid Null => new(0, 0);
+
+        public Uid(long low, long high)
+        {
+            Low  = low;
+            High = high;
+        }
+
+        public Uid(byte[] bytes)
+        {
+            High = BitConverter.ToInt64(bytes, 0);
+            Low  = BitConverter.ToInt64(bytes, 8);
+        }
+
+        public Uid(string hex)
+        {
+            if (hex == null || hex.Length != 32 || !hex.All("0123456789abcdefABCDEF".Contains))
+            {
+                throw new ArgumentException("Invalid Hex value!", nameof(hex));
+            }
+
+            Low  = Convert.ToInt64(hex[16..], 16);
+            High = Convert.ToInt64(hex[..16], 16);
+        }
+
+        public void Write(BinaryWriter binaryWriter)
+        {
+            binaryWriter.Write(High);
+            binaryWriter.Write(Low);
+        }
+
+        public override string ToString()
+        {
+            return High.ToString("x16") + Low.ToString("x16");
+        }
+
+        public LibHac.Account.Uid ToLibHacUid()
+        {
+            return new LibHac.Account.Uid((ulong)High, (ulong)Low);
+        }
+
+        public UInt128 ToUInt128()
+        {
+            return new UInt128((ulong)High, (ulong)Low);
+        }
+    }
+}

Ryujinx.Horizon/Sdk/Lm/ILmLogger.cs

@@ -0,0 +1,12 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf;
+using System;
+
+namespace Ryujinx.Horizon.Sdk.Lm
+{
+    interface ILmLogger : IServiceObject
+    {
+        Result Log(Span<byte> message);
+        Result SetDestination(LogDestination destination);
+    }
+}

Ryujinx.Horizon/Sdk/Lm/ILogService.cs

@@ -0,0 +1,11 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.LogManager.Ipc;
+using Ryujinx.Horizon.Sdk.Sf;
+
+namespace Ryujinx.Horizon.Sdk.Lm
+{
+    interface ILogService : IServiceObject
+    {
+        Result OpenLogger(out LmLogger logger, ulong pid);
+    }
+}

Ryujinx.Horizon/Sdk/Prepo/IPrepoService.cs

@@ -0,0 +1,20 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Account;
+using Ryujinx.Horizon.Sdk.Sf;
+using System;
+
+namespace Ryujinx.Horizon.Sdk.Prepo
+{
+    interface IPrepoService : IServiceObject
+    {
+        Result SaveReport(ReadOnlySpan<byte> gameRoomBuffer, ReadOnlySpan<byte> reportBuffer, ulong pid);
+        Result SaveReportWithUser(Uid userId, ReadOnlySpan<byte> gameRoomBuffer, ReadOnlySpan<byte> reportBuffer, ulong pid);
+        Result RequestImmediateTransmission();
+        Result GetTransmissionStatus(out int status);
+        Result GetSystemSessionId(out ulong systemSessionId);
+        Result SaveSystemReport(ReadOnlySpan<byte> gameRoomBuffer, ReadOnlySpan<byte> reportBuffer, ulong pid);
+        Result SaveSystemReportWithUser(Uid userId, ReadOnlySpan<byte> gameRoomBuffer, ReadOnlySpan<byte> reportBuffer, ulong pid);
+        Result IsUserAgreementCheckEnabled(out bool enabled);
+        Result SetUserAgreementCheckEnabled(bool enabled);
+    }
+}

Ryujinx.Horizon/Sdk/ServiceUtil.cs

@@ -29,6 +29,7 @@ namespace Ryujinx.Horizon.Sdk
             if (result.IsFailure)
             {
                 response = default;
+
                 return result;
             }
 

Ryujinx.Horizon/Sdk/Sf/Cmif/CmifMessage.cs

@@ -22,14 +22,17 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
 
             totalSize += Unsafe.SizeOf<CmifInHeader>() + format.DataSize;
             totalSize  = (totalSize + 1) & ~1;
+
             int outPointerSizeTableOffset = totalSize;
             int outPointerSizeTableSize   = format.OutAutoBuffersCount + format.OutPointersCount;
+
             totalSize += sizeof(ushort) * outPointerSizeTableSize;
+
             int rawDataSizeInWords = (totalSize + sizeof(uint) - 1) / sizeof(uint);
 
-            CmifRequest request = new CmifRequest();
-
-            request.Hipc = HipcMessage.WriteMessage(output, new HipcMetadata()
+            CmifRequest request = new()
+            {
+                Hipc = HipcMessage.WriteMessage(output, new HipcMetadata()
                 {
                     Type                 = format.Context != 0 ? (int)CommandType.RequestWithContext : (int)CommandType.Request,
                     SendStaticsCount     = format.InAutoBuffersCount + format.InPointersCount,
@@ -41,7 +44,8 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
                     SendPid              = format.SendPid,
                     CopyHandlesCount     = format.HandlesCount,
                     MoveHandlesCount     = 0
-            });
+                })
+            };
 
             Span<uint> data = request.Hipc.DataWords;
 
@@ -61,9 +65,9 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
                     Token        = format.Context
                 };
 
-                data = data.Slice(Unsafe.SizeOf<CmifDomainInHeader>() / sizeof(uint));
+                data = data[(Unsafe.SizeOf<CmifDomainInHeader>() / sizeof(uint))..];
 
-                request.Objects = data.Slice((payloadSize + sizeof(uint) - 1) / sizeof(uint));
+                request.Objects = data[((payloadSize + sizeof(uint) - 1) / sizeof(uint))..];
             }
 
             ref CmifInHeader header = ref MemoryMarshal.Cast<uint, CmifInHeader>(data)[0];
@@ -76,11 +80,12 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
                 Token     = format.ObjectId != 0 ? 0u : format.Context
             };
 
-            request.Data = MemoryMarshal.Cast<uint, byte>(data).Slice(Unsafe.SizeOf<CmifInHeader>());
+            request.Data = MemoryMarshal.Cast<uint, byte>(data)[Unsafe.SizeOf<CmifInHeader>()..];
 
             int paddingSizeBefore = (rawDataSizeInWords - request.Hipc.DataWords.Length) * sizeof(uint);
 
-            Span<byte> outPointerTable = MemoryMarshal.Cast<uint, byte>(request.Hipc.DataWords).Slice(outPointerSizeTableOffset - paddingSizeBefore);
+            Span<byte> outPointerTable = MemoryMarshal.Cast<uint, byte>(request.Hipc.DataWords)[(outPointerSizeTableOffset - paddingSizeBefore)..];
+
             request.OutPointerSizes   = MemoryMarshal.Cast<byte, ushort>(outPointerTable);
             request.ServerPointerSize = format.ServerPointerSize;
 
@@ -89,15 +94,15 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
 
         public static Result ParseResponse(out CmifResponse response, Span<byte> input, bool isDomain, int size)
         {
-            HipcMessage responseMessage = new HipcMessage(input);
+            HipcMessage responseMessage = new(input);
 
             Span<byte> data    = MemoryMarshal.Cast<uint, byte>(responseMessage.Data.DataWords);
             Span<uint> objects = Span<uint>.Empty;
 
             if (isDomain)
             {
-                data = data.Slice(Unsafe.SizeOf<CmifDomainOutHeader>());
-                objects = MemoryMarshal.Cast<byte, uint>(data.Slice(Unsafe.SizeOf<CmifOutHeader>() + size));
+                data    = data[Unsafe.SizeOf<CmifDomainOutHeader>()..];
+                objects = MemoryMarshal.Cast<byte, uint>(data[(Unsafe.SizeOf<CmifOutHeader>() + size)..]);
             }
 
             CmifOutHeader header = MemoryMarshal.Cast<byte, CmifOutHeader>(data)[0];
@@ -105,18 +110,20 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
             if (header.Magic != CmifOutHeaderMagic)
             {
                 response = default;
+
                 return SfResult.InvalidOutHeader;
             }
 
             if (header.Result.IsFailure)
             {
                 response = default;
+
                 return header.Result;
             }
 
             response = new CmifResponse()
             {
-                Data = data.Slice(Unsafe.SizeOf<CmifOutHeader>()),
+                Data        = data[Unsafe.SizeOf<CmifOutHeader>()..],
                 Objects     = objects,
                 CopyHandles = responseMessage.Data.CopyHandles,
                 MoveHandles = responseMessage.Data.MoveHandles

Ryujinx.Horizon/Sdk/Sf/Cmif/DomainServiceObjectDispatchTable.cs

@@ -21,7 +21,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
 
             var inHeader = MemoryMarshal.Cast<byte, CmifDomainInHeader>(inRawData)[0];
 
-            ReadOnlySpan<byte> inDomainRawData = inRawData.Slice(Unsafe.SizeOf<CmifDomainInHeader>());
+            ReadOnlySpan<byte> inDomainRawData = inRawData[Unsafe.SizeOf<CmifDomainInHeader>()..];
 
             int targetObjectId = inHeader.ObjectId;
 
@@ -39,7 +39,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
                         return SfResult.InvalidHeaderSize;
                     }
 
-                    ReadOnlySpan<byte> inMessageRawData = inDomainRawData.Slice(0, inHeader.DataSize);
+                    ReadOnlySpan<byte> inMessageRawData = inDomainRawData[..inHeader.DataSize];
 
                     if (inHeader.ObjectsCount > DomainServiceObjectProcessor.MaximumObjects)
                     {

Ryujinx.Horizon/Sdk/Sf/Cmif/DomainServiceObjectProcessor.cs

@@ -63,7 +63,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
                 return SfResult.InvalidInObjectsCount;
             }
 
-            Result result = _domain.ReserveIds(new Span<int>(_reservedObjectIds).Slice(0, OutObjectsCount));
+            Result result = _domain.ReserveIds(new Span<int>(_reservedObjectIds)[..OutObjectsCount]);
 
             if (result.IsFailure)
             {
@@ -92,7 +92,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
 
             DebugUtil.Assert(outHeaderSize + implOutDataTotalSize + OutObjectsCount * sizeof(int) <= outRawData.Length);
 
-            outRawData = outRawData.Slice(outHeaderSize);
+            outRawData = outRawData[outHeaderSize..];
             _outObjectIdsOffset = (response.DataWords.Length * sizeof(uint) - outRawData.Length) + implOutDataTotalSize;
 
             return response;
@@ -107,9 +107,9 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
 
             DebugUtil.Assert(outHeaderSize + implOutDataTotalSize <= outRawData.Length);
 
-            outRawData = outRawData.Slice(outHeaderSize);
+            outRawData = outRawData[outHeaderSize..];
 
-            _domain.UnreserveIds(new Span<int>(_reservedObjectIds).Slice(0, OutObjectsCount));
+            _domain.UnreserveIds(new Span<int>(_reservedObjectIds)[..OutObjectsCount]);
         }
 
         public override void SetOutObjects(scoped ref ServiceDispatchContext context, HipcMessageData response, Span<ServiceObjectHolder> outObjects)
@@ -129,7 +129,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
                 _domain.RegisterObject(objectIds[i], outObjects[i]);
             }
 
-            Span<int> outObjectIds = MemoryMarshal.Cast<byte, int>(MemoryMarshal.Cast<uint, byte>(response.DataWords).Slice(_outObjectIdsOffset));
+            Span<int> outObjectIds = MemoryMarshal.Cast<byte, int>(MemoryMarshal.Cast<uint, byte>(response.DataWords)[_outObjectIdsOffset..]);
 
             for (int i = 0; i < outObjectsCount; i++)
             {

Ryujinx.Horizon/Sdk/Sf/Cmif/PointerAndSize.cs

@@ -2,7 +2,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
 {
     struct PointerAndSize
     {
-        public static PointerAndSize Empty => new PointerAndSize(0UL, 0UL);
+        public static PointerAndSize Empty => new(0UL, 0UL);
 
         public ulong Address { get; }
         public ulong Size { get; }

Ryujinx.Horizon/Sdk/Sf/Cmif/ServerMessageRuntimeMetadata.cs

@@ -8,6 +8,7 @@
         public byte   OutHeadersSize  { get; }
         public byte   InObjectsCount  { get; }
         public byte   OutObjectsCount { get; }
+
         public int UnfixedOutPointerSizeOffset => InDataSize + InHeadersSize + 0x10;
 
         public ServerMessageRuntimeMetadata(

Ryujinx.Horizon/Sdk/Sf/Cmif/ServiceDispatchTableBase.cs

@@ -39,17 +39,21 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
 
             if (!entries.TryGetValue((int)commandId, out var commandHandler))
             {
-                Logger.Warning?.Print(LogClass.KernelIpc, $"{objectName} command ID 0x{commandId:X} is not implemented");
-
                 if (HorizonStatic.Options.IgnoreMissingServices)
                 {
                     // If ignore missing services is enabled, just pretend that everything is fine.
-                    var response = PrepareForStubReply(ref context, out Span<byte> outRawData);
+                    PrepareForStubReply(ref context, out Span<byte> outRawData);
                     CommandHandler.GetCmifOutHeaderPointer(ref outHeader, ref outRawData);
                     outHeader[0] = new CmifOutHeader() { Magic = CmifMessage.CmifOutHeaderMagic, Result = Result.Success };
 
+                    Logger.Warning?.Print(LogClass.Service, $"Missing service {objectName} (command ID: {commandId}) ignored");
+
                     return Result.Success;
                 }
+                else if (HorizonStatic.Options.ThrowOnInvalidCommandIds)
+                {
+                    throw new NotImplementedException($"{objectName} command ID: {commandId} is not implemented");
+                }
 
                 return SfResult.UnknownCommandId;
             }
@@ -72,6 +76,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
             if (outHeader.IsEmpty)
             {
                 commandResult.AbortOnSuccess();
+
                 return commandResult;
             }
 
@@ -80,11 +85,10 @@ namespace Ryujinx.Horizon.Sdk.Sf.Cmif
             return Result.Success;
         }
 
-        private static HipcMessageData PrepareForStubReply(scoped ref ServiceDispatchContext context, out Span<byte> outRawData)
+        private static void PrepareForStubReply(scoped ref ServiceDispatchContext context, out Span<byte> outRawData)
         {
             var response = HipcMessage.WriteResponse(context.OutMessageBuffer, 0, 0x20 / sizeof(uint), 0, 0);
             outRawData = MemoryMarshal.Cast<uint, byte>(response.DataWords);
-            return response;
         }
     }
 }

Ryujinx.Horizon/Sdk/Sf/CommandHandler.cs

@@ -50,8 +50,8 @@ namespace Ryujinx.Horizon.Sdk.Sf
 
         public static void GetCmifOutHeaderPointer(ref Span<CmifOutHeader> outHeader, ref Span<byte> outRawData)
         {
-            outHeader = MemoryMarshal.Cast<byte, CmifOutHeader>(outRawData).Slice(0, 1);
-            outRawData = outRawData.Slice(Unsafe.SizeOf<CmifOutHeader>());
+            outHeader  = MemoryMarshal.Cast<byte, CmifOutHeader>(outRawData)[..1];
+            outRawData = outRawData[Unsafe.SizeOf<CmifOutHeader>()..];
         }
     }
 }

Ryujinx.Horizon/Sdk/Sf/CommandSerialization.cs

@@ -22,6 +22,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
         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];
         }
 

Ryujinx.Horizon/Sdk/Sf/Hipc/HipcManager.cs

@@ -61,7 +61,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
         {
             clientHandle = 0;
 
-            if (!(_session.ServiceObjectHolder.ServiceObject is DomainServiceObject domain))
+            if (_session.ServiceObjectHolder.ServiceObject is not DomainServiceObject domain)
             {
                 return HipcResult.TargetNotDomain;
             }

Ryujinx.Horizon/Sdk/Sf/Hipc/HipcMessage.cs

@@ -20,7 +20,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
 
             Header header = MemoryMarshal.Cast<byte, Header>(data)[0];
 
-            data = data.Slice(Unsafe.SizeOf<Header>());
+            data = data[Unsafe.SizeOf<Header>()..];
 
             int   receiveStaticsCount = 0;
             ulong pid                 = 0;
@@ -42,14 +42,12 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
             if (header.HasSpecialHeader)
             {
                 specialHeader = MemoryMarshal.Cast<byte, SpecialHeader>(data)[0];
-
-                data = data.Slice(Unsafe.SizeOf<SpecialHeader>());
+                data          = data[Unsafe.SizeOf<SpecialHeader>()..];
 
                 if (specialHeader.SendPid)
                 {
                     pid  = MemoryMarshal.Cast<byte, ulong>(data)[0];
-
-                    data = data.Slice(sizeof(ulong));
+                    data = data[sizeof(ulong)..];
                 }
             }
 
@@ -90,7 +88,6 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
         public static HipcMessageData WriteMessage(Span<byte> destination, HipcMetadata meta)
         {
             int  initialLength    = destination.Length;
-
             bool hasSpecialHeader = meta.SendPid || meta.CopyHandlesCount != 0 || meta.MoveHandlesCount != 0;
 
             MemoryMarshal.Cast<byte, Header>(destination)[0] = new Header()
@@ -105,7 +102,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
                 HasSpecialHeader     = hasSpecialHeader
             };
 
-            destination = destination.Slice(Unsafe.SizeOf<Header>());
+            destination = destination[Unsafe.SizeOf<Header>()..];
 
             if (hasSpecialHeader)
             {
@@ -116,11 +113,11 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
                     MoveHandlesCount = meta.MoveHandlesCount
                 };
 
-                destination = destination.Slice(Unsafe.SizeOf<SpecialHeader>());
+                destination = destination[Unsafe.SizeOf<SpecialHeader>()..];
 
                 if (meta.SendPid)
                 {
-                    destination = destination.Slice(sizeof(ulong));
+                    destination = destination[sizeof(ulong)..];
                 }
             }
 
@@ -133,54 +130,54 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
 
             if (meta.CopyHandlesCount != 0)
             {
-                copyHandles = MemoryMarshal.Cast<byte, int>(data).Slice(0, meta.CopyHandlesCount);
+                copyHandles = MemoryMarshal.Cast<byte, int>(data)[..meta.CopyHandlesCount];
 
-                data = data.Slice(meta.CopyHandlesCount * sizeof(int));
+                data = data[(meta.CopyHandlesCount * sizeof(int))..];
             }
 
             Span<int> moveHandles = Span<int>.Empty;
 
             if (meta.MoveHandlesCount != 0)
             {
-                moveHandles = MemoryMarshal.Cast<byte, int>(data).Slice(0, meta.MoveHandlesCount);
+                moveHandles = MemoryMarshal.Cast<byte, int>(data)[..meta.MoveHandlesCount];
 
-                data = data.Slice(meta.MoveHandlesCount * sizeof(int));
+                data = data[(meta.MoveHandlesCount * sizeof(int))..];
             }
 
             Span<HipcStaticDescriptor> sendStatics = Span<HipcStaticDescriptor>.Empty;
 
             if (meta.SendStaticsCount != 0)
             {
-                sendStatics = MemoryMarshal.Cast<byte, HipcStaticDescriptor>(data).Slice(0, meta.SendStaticsCount);
+                sendStatics = MemoryMarshal.Cast<byte, HipcStaticDescriptor>(data)[..meta.SendStaticsCount];
 
-                data = data.Slice(meta.SendStaticsCount * Unsafe.SizeOf<HipcStaticDescriptor>());
+                data = data[(meta.SendStaticsCount * Unsafe.SizeOf<HipcStaticDescriptor>())..];
             }
 
             Span<HipcBufferDescriptor> sendBuffers = Span<HipcBufferDescriptor>.Empty;
 
             if (meta.SendBuffersCount != 0)
             {
-                sendBuffers = MemoryMarshal.Cast<byte, HipcBufferDescriptor>(data).Slice(0, meta.SendBuffersCount);
+                sendBuffers = MemoryMarshal.Cast<byte, HipcBufferDescriptor>(data)[..meta.SendBuffersCount];
 
-                data = data.Slice(meta.SendBuffersCount * Unsafe.SizeOf<HipcBufferDescriptor>());
+                data = data[(meta.SendBuffersCount * Unsafe.SizeOf<HipcBufferDescriptor>())..];
             }
 
             Span<HipcBufferDescriptor> receiveBuffers = Span<HipcBufferDescriptor>.Empty;
 
             if (meta.ReceiveBuffersCount != 0)
             {
-                receiveBuffers = MemoryMarshal.Cast<byte, HipcBufferDescriptor>(data).Slice(0, meta.ReceiveBuffersCount);
+                receiveBuffers = MemoryMarshal.Cast<byte, HipcBufferDescriptor>(data)[..meta.ReceiveBuffersCount];
 
-                data = data.Slice(meta.ReceiveBuffersCount * Unsafe.SizeOf<HipcBufferDescriptor>());
+                data = data[(meta.ReceiveBuffersCount * Unsafe.SizeOf<HipcBufferDescriptor>())..];
             }
 
             Span<HipcBufferDescriptor> exchangeBuffers = Span<HipcBufferDescriptor>.Empty;
 
             if (meta.ExchangeBuffersCount != 0)
             {
-                exchangeBuffers = MemoryMarshal.Cast<byte, HipcBufferDescriptor>(data).Slice(0, meta.ExchangeBuffersCount);
+                exchangeBuffers = MemoryMarshal.Cast<byte, HipcBufferDescriptor>(data)[..meta.ExchangeBuffersCount];
 
-                data = data.Slice(meta.ExchangeBuffersCount * Unsafe.SizeOf<HipcBufferDescriptor>());
+                data = data[(meta.ExchangeBuffersCount * Unsafe.SizeOf<HipcBufferDescriptor>())..];
             }
 
             Span<uint> dataWords = Span<uint>.Empty;
@@ -189,12 +186,11 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
             {
                 int dataOffset        = initialLength - data.Length;
                 int dataOffsetAligned = BitUtils.AlignUp(dataOffset, 0x10);
-
                 int padding           = (dataOffsetAligned - dataOffset) / sizeof(uint);
 
-                dataWords = MemoryMarshal.Cast<byte, uint>(data).Slice(padding, meta.DataWordsCount - padding);
+                dataWords = MemoryMarshal.Cast<byte, uint>(data)[padding..meta.DataWordsCount];
 
-                data = data.Slice(meta.DataWordsCount * sizeof(uint));
+                data = data[(meta.DataWordsCount * sizeof(uint))..];
             }
 
             Span<HipcReceiveListEntry> receiveList = Span<HipcReceiveListEntry>.Empty;
@@ -203,7 +199,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
             {
                 int receiveListSize = meta.ReceiveStaticsCount == AutoReceiveStatic ? 1 : meta.ReceiveStaticsCount;
 
-                receiveList = MemoryMarshal.Cast<byte, HipcReceiveListEntry>(data).Slice(0, receiveListSize);
+                receiveList = MemoryMarshal.Cast<byte, HipcReceiveListEntry>(data)[..receiveListSize];
             }
 
             return new HipcMessageData()

Ryujinx.Horizon/Sdk/Sf/Hipc/HipcResult.cs

@@ -6,17 +6,14 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
     {
         public const int ModuleId = 11;
 
-        public static Result OutOfSessionMemory => new Result(ModuleId, 102);
-        public static Result OutOfSessions => new Result(ModuleId, 131);
-        public static Result PointerBufferTooSmall => new Result(ModuleId, 141);
-        public static Result OutOfDomains => new Result(ModuleId, 200);
-
-        public static Result InvalidRequestSize => new Result(ModuleId, 402);
-        public static Result UnknownCommandType => new Result(ModuleId, 403);
-
-        public static Result InvalidCmifRequest => new Result(ModuleId, 420);
-
-        public static Result TargetNotDomain => new Result(ModuleId, 491);
-        public static Result DomainObjectNotFound => new Result(ModuleId, 492);
+        public static Result OutOfSessionMemory    => new(ModuleId, 102);
+        public static Result OutOfSessions         => new(ModuleId, 131);
+        public static Result PointerBufferTooSmall => new(ModuleId, 141);
+        public static Result OutOfDomains          => new(ModuleId, 200);
+        public static Result InvalidRequestSize    => new(ModuleId, 402);
+        public static Result UnknownCommandType    => new(ModuleId, 403);
+        public static Result InvalidCmifRequest    => new(ModuleId, 420);
+        public static Result TargetNotDomain       => new(ModuleId, 491);
+        public static Result DomainObjectNotFound  => new(ModuleId, 492);
     }
 }

Ryujinx.Horizon/Sdk/Sf/Hipc/ManagerOptions.cs

@@ -2,7 +2,7 @@
 {
     struct ManagerOptions
     {
-        public static ManagerOptions Default => new ManagerOptions(0, 0, 0, false);
+        public static ManagerOptions Default => new(0, 0, 0, false);
 
         public int PointerBufferSize      { get; }
         public int MaxDomains             { get; }

Ryujinx.Horizon/Sdk/Sf/Hipc/ServerDomainSessionManager.cs

@@ -15,7 +15,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
 
         protected override Result DispatchManagerRequest(ServerSession session, Span<byte> inMessage, Span<byte> outMessage)
         {
-            HipcManager hipcManager = new HipcManager(this, session);
+            HipcManager hipcManager = new(this, session);
 
             return DispatchRequest(new ServiceObjectHolder(hipcManager), session, inMessage, outMessage);
         }

Ryujinx.Horizon/Sdk/Sf/Hipc/ServerManager.cs

@@ -80,7 +80,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
                     return null;
                 }
 
-                ServerSession session = new ServerSession(sessionIndex, sessionHandle, obj);
+                ServerSession session = new(sessionIndex, sessionHandle, obj);
 
                 _sessions.Add(session);
 
@@ -111,7 +111,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
         {
             lock (_resourceLock)
             {
-                Server server = new Server(portIndex, portHandle, name, managed, staticHoder);
+                Server server = new(portIndex, portHandle, name, managed, staticHoder);
 
                 _servers.Add(server);
 

Ryujinx.Horizon/Sdk/Sf/Hipc/ServerManagerBase.cs

@@ -46,6 +46,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
 
             _requestStopEventHolder = new MultiWaitHolderOfEvent(_requestStopEvent);
             _multiWait.LinkMultiWaitHolder(_requestStopEventHolder);
+
             _notifyEventHolder = new MultiWaitHolderOfEvent(_notifyEvent);
             _multiWait.LinkMultiWaitHolder(_notifyEventHolder);
         }
@@ -73,6 +74,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
         private void RegisterServerImpl(int portIndex, ServiceObjectHolder staticHolder, int portHandle)
         {
             Server server = AllocateServer(portIndex, portHandle, ServiceName.Invalid, managed: false, staticHolder);
+
             RegisterServerImpl(server);
         }
 
@@ -86,6 +88,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
             }
 
             Server server = AllocateServer(portIndex, portHandle, name, managed: true, staticHolder);
+
             RegisterServerImpl(server);
 
             return Result.Success;
@@ -103,6 +106,11 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
             throw new NotSupportedException();
         }
 
+        protected Result AcceptImpl(Server server, IServiceObject obj)
+        {
+            return AcceptSession(server.PortHandle, new ServiceObjectHolder(obj));
+        }
+
         public void ServiceRequests()
         {
             while (WaitAndProcessRequestsImpl());
@@ -176,6 +184,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
         {
             session.HasReceived = false;
             session.UserData    = UserDataTag.Session;
+
             RegisterToWaitList(session);
         }
 
@@ -198,15 +207,12 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
 
         private Result Process(MultiWaitHolder holder)
         {
-            switch ((UserDataTag)holder.UserData)
+            return (UserDataTag)holder.UserData switch
             {
-                case UserDataTag.Server:
-                    return ProcessForServer(holder);
-                case UserDataTag.Session:
-                    return ProcessForSession(holder);
-                default:
-                    throw new NotImplementedException(((UserDataTag)holder.UserData).ToString());
-            }
+                UserDataTag.Server  => ProcessForServer(holder),
+                UserDataTag.Session => ProcessForSession(holder),
+                _                   => throw new NotImplementedException(((UserDataTag)holder.UserData).ToString())
+            };
         }
 
         private Result ProcessForServer(MultiWaitHolder holder)
@@ -259,6 +265,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
                     }
 
                     session.HasReceived = true;
+
                     tlsMessage.Memory.Span.CopyTo(savedMessage.Memory.Span);
                 }
                 else

Ryujinx.Horizon/Sdk/Sf/Hipc/ServerSessionManager.cs

@@ -78,6 +78,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
             session.SavedMessage  = GetSessionSavedMessageBuffer(session);
 
             RegisterSessionToWaitList(session);
+
             return Result.Success;
         }
 
@@ -141,6 +142,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
         protected void CloseSessionImpl(ServerSession session)
         {
             int sessionHandle = session.Handle;
+
             Os.FinalizeMultiWaitHolder(session);
             DestroySession(session);
             HorizonStatic.Syscall.CloseHandle(sessionHandle).AbortOnFailure();
@@ -156,6 +158,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
             if (session.IsClosed || GetCmifCommandType(message) == CommandType.Close)
             {
                 CloseSessionImpl(session);
+
                 return Result.Success;
             }
             else
@@ -165,6 +168,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
                 if (result.IsSuccess)
                 {
                     RegisterSessionToWaitList(session);
+
                     return Result.Success;
                 }
                 else if (SfResult.RequestContextChanged(result))
@@ -176,6 +180,7 @@ namespace Ryujinx.Horizon.Sdk.Sf.Hipc
                     Logger.Warning?.Print(LogClass.KernelIpc, $"Request processing returned error {result}");
 
                     CloseSessionImpl(session);
+
                     return Result.Success;
                 }
             }

Ryujinx.Horizon/Sdk/Sf/HipcCommandProcessor.cs

@@ -190,6 +190,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
                         var descriptor = context.Request.Data.SendStatics[sendPointerIndex++];
                         ulong address  = descriptor.Address;
                         ulong size     = descriptor.Size;
+
                         _bufferRanges[i] = new PointerAndSize(address, size);
 
                         if (size != 0)
@@ -208,7 +209,8 @@ namespace Ryujinx.Horizon.Sdk.Sf
                         else
                         {
                             var data             = MemoryMarshal.Cast<uint, byte>(context.Request.Data.DataWords);
-                            var recvPointerSizes = MemoryMarshal.Cast<byte, ushort>(data.Slice(runtimeMetadata.UnfixedOutPointerSizeOffset));
+                            var recvPointerSizes = MemoryMarshal.Cast<byte, ushort>(data[runtimeMetadata.UnfixedOutPointerSizeOffset..]);
+
                             size = recvPointerSizes[unfixedRecvPointerIndex++];
                         }
 
@@ -314,6 +316,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
 
             int rawSizeInBytes = meta.DataWordsCount * sizeof(uint);
             int commandRawSize = BitUtils.AlignUp(runtimeMetadata.UnfixedOutPointerSizeOffset + (OutUnfixedSizePointerBuffersCount * sizeof(ushort)), sizeof(uint));
+
             requestValid &= rawSizeInBytes >= commandRawSize;
 
             return requestValid ? Result.Success : HipcResult.InvalidCmifRequest;
@@ -365,6 +368,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
                 _outCopyHandlesCount,
                 _outMoveHandlesCount + runtimeMetadata.OutObjectsCount);
             outRawData = MemoryMarshal.Cast<uint, byte>(response.DataWords);
+
             return response;
         }
 
@@ -377,6 +381,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
                 (BitUtils.AlignUp(rawDataSize, 4) + 0x10) / sizeof(uint),
                 0,
                 0);
+
             outRawData = MemoryMarshal.Cast<uint, byte>(response.DataWords);
         }
 
@@ -410,6 +415,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
             if (obj == null)
             {
                 response.MoveHandles[index] = 0;
+
                 return;
             }
 

Ryujinx.Horizon/Sdk/Sf/RawDataOffsetCalculator.cs

@@ -27,9 +27,7 @@ namespace Ryujinx.Horizon.Sdk.Sf
                 {
                     for (int j = i; j > 0 && aligns[map[j - 1]] > aligns[map[j]]; j--)
                     {
-                        var temp = map[j - 1];
-                        map[j - 1] = map[j];
-                        map[j] = temp;
+                        (map[j], map[j - 1]) = (map[j - 1], map[j]);
                     }
                 }
 

Ryujinx.Horizon/Sdk/Sf/SfResult.cs

@@ -6,26 +6,22 @@ namespace Ryujinx.Horizon.Sdk.Sf
     {
         public const int ModuleId = 10;
 
-        public static Result NotSupported => new Result(ModuleId, 1);
-        public static Result InvalidHeaderSize => new Result(ModuleId, 202);
-        public static Result InvalidInHeader => new Result(ModuleId, 211);
-        public static Result InvalidOutHeader => new Result(ModuleId, 212);
-        public static Result UnknownCommandId => new Result(ModuleId, 221);
-        public static Result InvalidOutRawSize => new Result(ModuleId, 232);
-        public static Result InvalidInObjectsCount => new Result(ModuleId, 235);
-        public static Result InvalidOutObjectsCount => new Result(ModuleId, 236);
-        public static Result InvalidInObject => new Result(ModuleId, 239);
-
-        public static Result TargetNotFound => new Result(ModuleId, 261);
-
-        public static Result OutOfDomainEntries => new Result(ModuleId, 301);
-
-        public static Result InvalidatedByUser => new Result(ModuleId, 802);
-        public static Result RequestDeferredByUser => new Result(ModuleId, 812);
+        public static Result NotSupported           => new(ModuleId, 1);
+        public static Result InvalidHeaderSize      => new(ModuleId, 202);
+        public static Result InvalidInHeader        => new(ModuleId, 211);
+        public static Result InvalidOutHeader       => new(ModuleId, 212);
+        public static Result UnknownCommandId       => new(ModuleId, 221);
+        public static Result InvalidOutRawSize      => new(ModuleId, 232);
+        public static Result InvalidInObjectsCount  => new(ModuleId, 235);
+        public static Result InvalidOutObjectsCount => new(ModuleId, 236);
+        public static Result InvalidInObject        => new(ModuleId, 239);
+        public static Result TargetNotFound         => new(ModuleId, 261);
+        public static Result OutOfDomainEntries     => new(ModuleId, 301);
+        public static Result InvalidatedByUser      => new(ModuleId, 802);
+        public static Result RequestDeferredByUser  => new(ModuleId, 812);
 
         public static bool RequestContextChanged(Result result) => result.InRange(800, 899);
         public static bool Invalidated(Result result)           => result.InRange(801, 809);
-
         public static bool RequestDeferred(Result result)       => result.InRange(811, 819);
     }
 }

Ryujinx.Horizon/Sdk/Sm/IManagerService.cs

@@ -0,0 +1,8 @@
+using Ryujinx.Horizon.Sdk.Sf;
+
+namespace Ryujinx.Horizon.Sdk.Sm
+{
+    interface IManagerService : IServiceObject
+    {
+    }
+}

Ryujinx.Horizon/Sdk/Sm/IUserService.cs

@@ -0,0 +1,13 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf;
+
+namespace Ryujinx.Horizon.Sdk.Sm
+{
+    interface IUserService : IServiceObject
+    {
+        Result Initialize(ulong clientProcessId);
+        Result GetService(out int handle, ServiceName name);
+        Result RegisterService(out int handle, ServiceName name, int maxSessions, bool isLight);
+        Result UnregisterService(ServiceName name);
+    }
+}

Ryujinx.Horizon/Sdk/Sm/SmApi.cs

@@ -7,16 +7,18 @@ namespace Ryujinx.Horizon.Sdk.Sm
 {
     class SmApi
     {
+        private const string SmName = "sm:";
+
         private int _portHandle;
 
         public Result Initialize()
         {
-            Result result = HorizonStatic.Syscall.ConnectToNamedPort(out int portHandle, "sm:");
+            Result result = HorizonStatic.Syscall.ConnectToNamedPort(out int portHandle, SmName);
 
             while (result == KernelResult.NotFound)
             {
                 HorizonStatic.Syscall.SleepThread(50000000L);
-                result = HorizonStatic.Syscall.ConnectToNamedPort(out portHandle, "sm:");
+                result = HorizonStatic.Syscall.ConnectToNamedPort(out portHandle, SmName);
             }
 
             if (result.IsFailure)
@@ -33,7 +35,7 @@ namespace Ryujinx.Horizon.Sdk.Sm
         {
             Span<byte> data = stackalloc byte[8];
 
-            SpanWriter writer = new SpanWriter(data);
+            SpanWriter writer = new(data);
 
             writer.Write(0UL);
 
@@ -44,7 +46,7 @@ namespace Ryujinx.Horizon.Sdk.Sm
         {
             Span<byte> data = stackalloc byte[8];
 
-            SpanWriter writer = new SpanWriter(data);
+            SpanWriter writer = new(data);
 
             writer.Write(name);
 
@@ -53,10 +55,12 @@ namespace Ryujinx.Horizon.Sdk.Sm
             if (result.IsFailure)
             {
                 handle = 0;
+
                 return result;
             }
 
             handle = response.MoveHandles[0];
+
             return Result.Success;
         }
 
@@ -64,7 +68,7 @@ namespace Ryujinx.Horizon.Sdk.Sm
         {
             Span<byte> data = stackalloc byte[16];
 
-            SpanWriter writer = new SpanWriter(data);
+            SpanWriter writer = new(data);
 
             writer.Write(name);
             writer.Write(isLight ? 1 : 0);
@@ -75,10 +79,12 @@ namespace Ryujinx.Horizon.Sdk.Sm
             if (result.IsFailure)
             {
                 handle = 0;
+
                 return result;
             }
 
             handle = response.MoveHandles[0];
+
             return Result.Success;
         }
 
@@ -86,7 +92,7 @@ namespace Ryujinx.Horizon.Sdk.Sm
         {
             Span<byte> data = stackalloc byte[8];
 
-            SpanWriter writer = new SpanWriter(data);
+            SpanWriter writer = new(data);
 
             writer.Write(name);
 
@@ -97,7 +103,7 @@ namespace Ryujinx.Horizon.Sdk.Sm
         {
             Span<byte> data = stackalloc byte[8];
 
-            SpanWriter writer = new SpanWriter(data);
+            SpanWriter writer = new(data);
 
             writer.Write(0UL);
 

Ryujinx.Horizon/ServiceEntry.cs

@@ -6,12 +6,14 @@ namespace Ryujinx.Horizon
 {
     public struct ServiceEntry
     {
-        private readonly Action _entrypoint;
+        private readonly Action<ServiceTable> _entrypoint;
+        private readonly ServiceTable         _serviceTable;
         private readonly HorizonOptions       _options;
 
-        internal ServiceEntry(Action entrypoint, HorizonOptions options)
+        internal ServiceEntry(Action<ServiceTable> entrypoint, ServiceTable serviceTable, HorizonOptions options)
         {
             _entrypoint   = entrypoint;
+            _serviceTable = serviceTable;
             _options      = options;
         }
 
@@ -19,7 +21,7 @@ namespace Ryujinx.Horizon
         {
             HorizonStatic.Register(_options, syscallApi, addressSpace, threadContext, (int)threadContext.GetX(1));
 
-            _entrypoint();
+            _entrypoint(_serviceTable);
         }
     }
 }

Ryujinx.Horizon/ServiceTable.cs

@@ -1,22 +1,58 @@
 using Ryujinx.Horizon.LogManager;
+using Ryujinx.Horizon.Prepo;
 using System.Collections.Generic;
+using System.Threading;
 
 namespace Ryujinx.Horizon
 {
-    public static class ServiceTable
+    public class ServiceTable
     {
-        public static IEnumerable<ServiceEntry> GetServices(HorizonOptions options)
+        private int _readyServices;
+        private int _totalServices;
+
+        private readonly ManualResetEvent _servicesReadyEvent = new(false);
+
+        public IEnumerable<ServiceEntry> GetServices(HorizonOptions options)
         {
-            List<ServiceEntry> entries = new List<ServiceEntry>();
+            List<ServiceEntry> entries = new();
 
             void RegisterService<T>() where T : IService
             {
-                entries.Add(new ServiceEntry(T.Main, options));
+                entries.Add(new ServiceEntry(T.Main, this, options));
             }
 
             RegisterService<LmMain>();
+            RegisterService<PrepoMain>();
+
+            _totalServices = entries.Count;
 
             return entries;
         }
+
+        internal void SignalServiceReady()
+        {
+            if (Interlocked.Increment(ref _readyServices) == _totalServices)
+            {
+                _servicesReadyEvent.Set();
+            }
+        }
+
+        public void WaitServicesReady()
+        {
+            _servicesReadyEvent.WaitOne();
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                _servicesReadyEvent.Dispose();
+            }
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+        }
     }
 }

Ryujinx.Horizon/Sm/Impl/ServiceManager.cs

@@ -126,20 +126,19 @@ namespace Ryujinx.Horizon.Sm.Impl
             // TODO: Validation with GetProcessInfo etc.
 
             int serviceIndex = GetServiceInfo(name);
-
             if (serviceIndex < 0)
             {
                 return SmResult.NotRegistered;
             }
 
             ref var serviceInfo = ref _services[serviceIndex];
-
             if (serviceInfo.OwnerProcessId != processId)
             {
                 return SmResult.NotAllowed;
             }
 
             serviceInfo.Free();
+
             return Result.Success;
         }
 

Ryujinx.Horizon/Sm/Ipc/ManagerService.cs

@@ -0,0 +1,8 @@
+using Ryujinx.Horizon.Sdk.Sm;
+
+namespace Ryujinx.Horizon.Sm.Ipc
+{
+    partial class ManagerService : IManagerService
+    {
+    }
+}

Ryujinx.Horizon/Sm/Ipc/UserService.cs

@@ -3,9 +3,9 @@ using Ryujinx.Horizon.Sdk.Sf;
 using Ryujinx.Horizon.Sdk.Sm;
 using Ryujinx.Horizon.Sm.Impl;
 
-namespace Ryujinx.Horizon.Sm
+namespace Ryujinx.Horizon.Sm.Ipc
 {
-    partial class UserService : IServiceObject
+    partial class UserService : IUserService
     {
         private readonly ServiceManager _serviceManager;
 

Ryujinx.Horizon/Sm/ManagerService.cs

@@ -1,8 +0,0 @@
-using Ryujinx.Horizon.Sdk.Sf;
-
-namespace Ryujinx.Horizon.Sm
-{
-    partial class ManagerService : IServiceObject
-    {
-    }
-}

Ryujinx.Horizon/Sm/SmMain.cs

@@ -1,29 +1,33 @@
-using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.Prepo.Types;
+using Ryujinx.Horizon.Prepo;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
 using Ryujinx.Horizon.Sdk.Sm;
 using Ryujinx.Horizon.Sm.Impl;
+using Ryujinx.Horizon.Sm.Types;
 
 namespace Ryujinx.Horizon.Sm
 {
     public class SmMain
     {
-        private enum PortIndex
-        {
-            User,
-            Manager
-        }
+        private const int SmMaxSessionsCount      = 64;
+        private const int SmmMaxSessionsCount     = 1;
+        private const int SmTotalMaxSessionsCount = SmMaxSessionsCount + SmmMaxSessionsCount;
 
         private const int MaxPortsCount = 2;
 
-        private readonly ServerManager _serverManager = new ServerManager(null, null, MaxPortsCount, ManagerOptions.Default, 0);
-        private readonly ServiceManager _serviceManager = new ServiceManager();
+        private SmServerManager _serverManager;
+
+        private readonly ServiceManager _serviceManager = new();
 
         public void Main()
         {
-            HorizonStatic.Syscall.ManageNamedPort(out int smHandle, "sm:", 64).AbortOnFailure();
+            HorizonStatic.Syscall.ManageNamedPort(out int smHandle, "sm:", SmMaxSessionsCount).AbortOnFailure();
 
-            _serverManager.RegisterServer((int)PortIndex.User, smHandle);
-            _serviceManager.RegisterServiceForSelf(out int smmHandle, ServiceName.Encode("sm:m"), 1).AbortOnFailure();
-            _serverManager.RegisterServer((int)PortIndex.Manager, smmHandle);
+            _serverManager = new SmServerManager(_serviceManager, null, null, MaxPortsCount, ManagerOptions.Default, SmTotalMaxSessionsCount);
+
+            _serverManager.RegisterServer((int)SmPortIndex.User, smHandle);
+            _serviceManager.RegisterServiceForSelf(out int smmHandle, ServiceName.Encode("sm:m"), SmmMaxSessionsCount).AbortOnFailure();
+            _serverManager.RegisterServer((int)SmPortIndex.Manager, smmHandle);
             _serverManager.ServiceRequests();
         }
     }

Ryujinx.Horizon/Sm/SmResult.cs

@@ -6,14 +6,14 @@ namespace Ryujinx.Horizon.Sm
     {
         private const int ModuleId = 21;
 
-        public static Result OutOfProcess => new Result(ModuleId, 1);
-        public static Result InvalidClient => new Result(ModuleId, 2);
-        public static Result OutOfSessions => new Result(ModuleId, 3);
-        public static Result AlreadyRegistered => new Result(ModuleId, 4);
-        public static Result OutOfServices => new Result(ModuleId, 5);
-        public static Result InvalidServiceName => new Result(ModuleId, 6);
-        public static Result NotRegistered => new Result(ModuleId, 7);
-        public static Result NotAllowed => new Result(ModuleId, 8);
-        public static Result TooLargeAccessControl => new Result(ModuleId, 9);
+        public static Result OutOfProcess          => new(ModuleId, 1);
+        public static Result InvalidClient         => new(ModuleId, 2);
+        public static Result OutOfSessions         => new(ModuleId, 3);
+        public static Result AlreadyRegistered     => new(ModuleId, 4);
+        public static Result OutOfServices         => new(ModuleId, 5);
+        public static Result InvalidServiceName    => new(ModuleId, 6);
+        public static Result NotRegistered         => new(ModuleId, 7);
+        public static Result NotAllowed            => new(ModuleId, 8);
+        public static Result TooLargeAccessControl => new(ModuleId, 9);
     }
 }

Ryujinx.Horizon/Sm/SmServerManager.cs

@@ -0,0 +1,30 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.Sdk.Sm;
+using Ryujinx.Horizon.Sm.Impl;
+using Ryujinx.Horizon.Sm.Ipc;
+using Ryujinx.Horizon.Sm.Types;
+using System;
+
+namespace Ryujinx.Horizon.Sm
+{
+    class SmServerManager : ServerManager
+    {
+        private readonly ServiceManager _serviceManager;
+
+        public SmServerManager(ServiceManager serviceManager, HeapAllocator allocator, SmApi sm, int maxPorts, ManagerOptions options, int maxSessions) : base(allocator, sm, maxPorts, options, maxSessions)
+        {
+            _serviceManager = serviceManager;
+        }
+
+        protected override Result OnNeedsToAccept(int portIndex, Server server)
+        {
+            return (SmPortIndex)portIndex switch
+            {
+                SmPortIndex.User    => AcceptImpl(server, new UserService(_serviceManager)),
+                SmPortIndex.Manager => AcceptImpl(server, new ManagerService()),
+                _                   => throw new ArgumentOutOfRangeException(nameof(portIndex)),
+            };
+        }
+    }
+}

Ryujinx.Horizon/Sm/Types/SmPortIndex.cs

@@ -0,0 +1,8 @@
+namespace Ryujinx.Horizon.Sm.Types
+{
+    enum SmPortIndex
+    {
+        User,
+        Manager
+    }
+}

Ryujinx.SDL2.Common/SDL2Driver.cs

@@ -91,7 +91,7 @@ namespace Ryujinx.SDL2.Common
 
                 SDL_EventState(SDL_EventType.SDL_CONTROLLERSENSORUPDATE, SDL_DISABLE);
 
-                string gamepadDbPath = Path.Combine(ReleaseInformations.GetBaseApplicationDirectory(), "SDL_GameControllerDB.txt");
+                string gamepadDbPath = Path.Combine(ReleaseInformation.GetBaseApplicationDirectory(), "SDL_GameControllerDB.txt");
 
                 if (File.Exists(gamepadDbPath))
                 {

Ryujinx.Ui.Common/Configuration/LoggerModule.cs

@@ -80,7 +80,7 @@ namespace Ryujinx.Ui.Common.Configuration
             if (e.NewValue)
             {
                 Logger.AddTarget(new AsyncLogTargetWrapper(
-                    new FileLogTarget(ReleaseInformations.GetBaseApplicationDirectory(), "file"),
+                    new FileLogTarget(ReleaseInformation.GetBaseApplicationDirectory(), "file"),
                     1000,
                     AsyncLogTargetOverflowAction.Block
                 ));

Ryujinx.Ui.Common/Ryujinx.Ui.Common.csproj

@@ -34,11 +34,15 @@
     <EmbeddedResource Include="Resources\Icon_NSP.png" />
     <EmbeddedResource Include="Resources\Icon_XCI.png" />
     <EmbeddedResource Include="Resources\Logo_Amiibo.png" />
-    <EmbeddedResource Include="Resources\Logo_Discord.png" />
-    <EmbeddedResource Include="Resources\Logo_GitHub.png" />
-    <EmbeddedResource Include="Resources\Logo_Patreon.png" />
     <EmbeddedResource Include="Resources\Logo_Ryujinx.png" />
-    <EmbeddedResource Include="Resources\Logo_Twitter.png" />
+    <EmbeddedResource Include="Resources\Logo_Discord_Dark.png" />
+    <EmbeddedResource Include="Resources\Logo_Discord_Light.png" />
+    <EmbeddedResource Include="Resources\Logo_GitHub_Dark.png" />
+    <EmbeddedResource Include="Resources\Logo_GitHub_Light.png" />
+    <EmbeddedResource Include="Resources\Logo_Patreon_Dark.png" />
+    <EmbeddedResource Include="Resources\Logo_Patreon_Light.png" />
+    <EmbeddedResource Include="Resources\Logo_Twitter_Dark.png" />
+    <EmbeddedResource Include="Resources\Logo_Twitter_Light.png" />
   </ItemGroup>
 
   <ItemGroup>

Ryujinx/Modules/Updater/Updater.cs

@@ -103,7 +103,7 @@ namespace Ryujinx.Modules
             {
                 using (HttpClient jsonClient = ConstructHttpClient())
                 {
-                    string buildInfoURL = $"{GitHubApiURL}/repos/{ReleaseInformations.ReleaseChannelOwner}/{ReleaseInformations.ReleaseChannelRepo}/releases/latest";
+                    string buildInfoURL = $"{GitHubApiURL}/repos/{ReleaseInformation.ReleaseChannelOwner}/{ReleaseInformation.ReleaseChannelRepo}/releases/latest";
 
                     // Fetch latest build information
                     string  fetchedJson = await jsonClient.GetStringAsync(buildInfoURL);
@@ -556,7 +556,7 @@ namespace Ryujinx.Modules
                 return false;
             }
 
-            if (Program.Version.Contains("dirty") || !ReleaseInformations.IsValid())
+            if (Program.Version.Contains("dirty") || !ReleaseInformation.IsValid())
             {
                 if (showWarnings)
                 {
@@ -570,7 +570,7 @@ namespace Ryujinx.Modules
 #else
             if (showWarnings)
             {
-                if (ReleaseInformations.IsFlatHubBuild())
+                if (ReleaseInformation.IsFlatHubBuild())
                 {
                     GtkDialog.CreateWarningDialog("Updater Disabled!", "Please update Ryujinx via FlatHub.");
                 }

Ryujinx/Program.cs

@@ -18,6 +18,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
 using System.Threading.Tasks;
 
 namespace Ryujinx
@@ -72,9 +73,51 @@ namespace Ryujinx
             }
         }
 
+        [SupportedOSPlatform("linux")]
+        static void RegisterMimeTypes()
+        {
+            if (ReleaseInformation.IsFlatHubBuild())
+            {
+                return;
+            }
+
+            string mimeDbPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".local", "share", "mime");
+
+            if (!File.Exists(Path.Combine(mimeDbPath, "packages", "Ryujinx.xml")))
+            {
+                string mimeTypesFile = Path.Combine(ReleaseInformation.GetBaseApplicationDirectory(), "mime", "Ryujinx.xml");
+                using Process mimeProcess = new();
+
+                mimeProcess.StartInfo.FileName = "xdg-mime";
+                mimeProcess.StartInfo.Arguments = $"install --novendor --mode user {mimeTypesFile}";
+
+                mimeProcess.Start();
+                mimeProcess.WaitForExit();
+
+                if (mimeProcess.ExitCode != 0)
+                {
+                    Logger.Error?.PrintMsg(LogClass.Application, $"Unable to install mime types. Make sure xdg-utils is installed. Process exited with code: {mimeProcess.ExitCode}");
+                    return;
+                }
+
+                using Process updateMimeProcess = new();
+
+                updateMimeProcess.StartInfo.FileName = "update-mime-database";
+                updateMimeProcess.StartInfo.Arguments = mimeDbPath;
+
+                updateMimeProcess.Start();
+                updateMimeProcess.WaitForExit();
+
+                if (updateMimeProcess.ExitCode != 0)
+                {
+                    Logger.Error?.PrintMsg(LogClass.Application, $"Could not update local mime database. Process exited with code: {updateMimeProcess.ExitCode}");
+                }
+            }
+        }
+
         static void Main(string[] args)
         {
-            Version = ReleaseInformations.GetVersion();
+            Version = ReleaseInformation.GetVersion();
 
             if (OperatingSystem.IsWindows() && !OperatingSystem.IsWindowsVersionAtLeast(10, 0, 17134))
             {
@@ -101,6 +144,8 @@ namespace Ryujinx
             if (OperatingSystem.IsLinux())
             {
                 XInitThreads();
+                Environment.SetEnvironmentVariable("GDK_BACKEND", "x11");
+                setenv("GDK_BACKEND", "x11", 1);
             }
 
             if (OperatingSystem.IsMacOS())
@@ -144,6 +189,12 @@ namespace Ryujinx
             // Initialize the logger system.
             LoggerModule.Initialize();
 
+            // Register mime types on linux.
+            if (OperatingSystem.IsLinux())
+            {
+                RegisterMimeTypes();
+            }
+
             // Initialize Discord integration.
             DiscordIntegrationModule.Initialize();
 

Ryujinx/Ryujinx.csproj

@@ -62,6 +62,16 @@
     </Content>
   </ItemGroup>
 
+   <ItemGroup Condition="'$(RuntimeIdentifier)' == 'linux-x64'">
+     <Content Include="..\distribution\linux\Ryujinx.sh">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+     </Content>
+     <Content Include="..\distribution\linux\mime\Ryujinx.xml">
+       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+       <TargetPath>mime\Ryujinx.xml</TargetPath>
+     </Content>
+   </ItemGroup>
+
   <!-- Due to .net core 3.1 embedded resource loading -->
   <PropertyGroup>
     <EmbeddedResourceUseDependentUponConvention>false</EmbeddedResourceUseDependentUponConvention>

Ryujinx/Ui/MainWindow.cs

@@ -1294,7 +1294,7 @@ namespace Ryujinx.Ui
 
         private void OpenLogsFolder_Pressed(object sender, EventArgs args)
         {
-            string logPath = System.IO.Path.Combine(ReleaseInformations.GetBaseApplicationDirectory(), "Logs");
+            string logPath = System.IO.Path.Combine(ReleaseInformation.GetBaseApplicationDirectory(), "Logs");
 
             new DirectoryInfo(logPath).Create();
 

Ryujinx/Ui/Windows/AboutWindow.Designer.cs

@@ -206,7 +206,7 @@ namespace Ryujinx.Ui.Windows
             //
             // _patreonLogo
             //
-            _patreonLogo = new Image(new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_Patreon.png", 30, 30))
+            _patreonLogo = new Image(new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_Patreon_Light.png", 30, 30))
             {
                 Margin = 10
             };
@@ -236,7 +236,7 @@ namespace Ryujinx.Ui.Windows
             //
             // _githubLogo
             //
-            _githubLogo = new Image(new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_GitHub.png", 30, 30))
+            _githubLogo = new Image(new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_GitHub_Light.png", 30, 30))
             {
                 Margin = 10
             };
@@ -266,7 +266,7 @@ namespace Ryujinx.Ui.Windows
             //
             // _discordLogo
             //
-            _discordLogo = new Image(new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_Discord.png", 30, 30))
+            _discordLogo = new Image(new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_Discord_Light.png", 30, 30))
             {
                 Margin = 10
             };
@@ -296,7 +296,7 @@ namespace Ryujinx.Ui.Windows
             //
             // _twitterLogo
             //
-            _twitterLogo = new Image(new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_Twitter.png", 30, 30))
+            _twitterLogo = new Image(new Gdk.Pixbuf(Assembly.GetAssembly(typeof(ConfigurationState)), "Ryujinx.Ui.Common.Resources.Logo_Twitter_Light.png", 30, 30))
             {
                 Margin = 10
             };

distribution/linux/Ryujinx.desktop

@@ -1,13 +1,13 @@
 [Desktop Entry]
 Version=1.0
 Name=Ryujinx
-Comment=A Nintendo Switch Emulator
 Type=Application
+Icon=Ryujinx
+Exec=env DOTNET_EnableAlternateStackCheck=1 Ryujinx %f
+Comment=A Nintendo Switch Emulator
 GenericName=Nintendo Switch Emulator
-Icon=ryujinx
 Terminal=false
-Exec=Ryujinx %f
-Categories=Game;Emulator;GTK;
+Categories=Game;Emulator;
 MimeType=application/x-nx-nca;application/x-nx-nro;application/x-nx-nso;application/x-nx-nsp;application/x-nx-xci;
 Keywords=Switch;Nintendo;Emulator;
 StartupWMClass=Ryujinx

distribution/linux/Ryujinx.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+SCRIPT_DIR=$(dirname $(realpath $0))
+
+env DOTNET_EnableAlternateStackCheck=1 "$SCRIPT_DIR/Ryujinx" "$@"

distribution/linux/mime/Ryujinx.xml

@@ -2,22 +2,32 @@
 <mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
     <mime-type type="application/x-nx-nca">
         <comment>Nintendo Content Archive</comment>
+        <acronym>NCA</acronym>
         <glob pattern="*.nca"/>
+        <magic><match value="NCA" type="string" offset="512"/></magic>
     </mime-type>
     <mime-type type="application/x-nx-nro">
         <comment>Nintendo Relocatable Object</comment>
+        <acronym>NRO</acronym>
         <glob pattern="*.nro"/>
+        <magic><match value="NRO0" type="string" offset="16"/></magic>
     </mime-type>
     <mime-type type="application/x-nx-nso">
         <comment>Nintendo Shared Object</comment>
+        <acronym>NSO</acronym>
         <glob pattern="*.nso"/>
+        <magic><match value="NSO0" type="string" offset="0"/></magic>
     </mime-type>
     <mime-type type="application/x-nx-nsp">
         <comment>Nintendo Submission Package</comment>
+        <acronym>NSP</acronym>
         <glob pattern="*.nsp"/>
+        <magic><match value="PFS0" type="string" offset="0"/></magic>
     </mime-type>
     <mime-type type="application/x-nx-xci">
         <comment>Nintendo Switch Cartridge</comment>
+        <acronym>XCI</acronym>
         <glob pattern="*.xci"/>
+        <magic><match value="HEAD" type="string" offset="4352"/></magic>
     </mime-type>
 </mime-info>