[pthread] Implemented pthread functions for AVPlayer compatibility

* [fixes-assets] Add SharpEmu icon and fix glfw dependency (temporary fix)

* [reuse] I forgot to add comma

* [readme] update logo

.gitignore

@@ -37,5 +37,3 @@ packages/
 Thumbs.db
 Desktop.ini
 ehthumbs.db
-
-.vs/

Directory.Packages.props

@@ -1,22 +1,16 @@
-<!--
+<!--
 Copyright (C) 2026 SharpEmu Emulator Project
 SPDX-License-Identifier: GPL-2.0-or-later
 -->
+
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Avalonia" Version="11.3.18" />
-    <PackageVersion Include="Avalonia.Desktop" Version="11.3.18" />
-    <PackageVersion Include="Avalonia.Fonts.Inter" Version="11.3.18" />
-    <PackageVersion Include="Avalonia.Themes.Fluent" Version="11.3.18" />
     <PackageVersion Include="Iced" Version="1.21.0" />
     <PackageVersion Include="Silk.NET.Vulkan" Version="2.23.0" />
-    <PackageVersion Include="Silk.NET.Vulkan.Extensions.EXT" Version="2.23.0" />
     <PackageVersion Include="Silk.NET.Vulkan.Extensions.KHR" Version="2.23.0" />
     <PackageVersion Include="Silk.NET.Windowing" Version="2.23.0" />
-    <!-- Transitive of Avalonia.Desktop; pinned to fix GHSA-xrw6-gwf8-vvr9 -->
-    <PackageVersion Include="Tmds.DBus.Protocol" Version="0.21.3" />
   </ItemGroup>
-</Project>
+</Project>

SharpEmu.slnx

@@ -7,7 +7,6 @@ SPDX-License-Identifier: GPL-2.0-or-later
   <Folder Name="/src/">
     <Project Path="src/SharpEmu.CLI/SharpEmu.CLI.csproj" />
     <Project Path="src/SharpEmu.Core/SharpEmu.Core.csproj" />
-    <Project Path="src/SharpEmu.GUI/SharpEmu.GUI.csproj" />
     <Project Path="src/SharpEmu.HLE/SharpEmu.HLE.csproj" />
     <Project Path="src/SharpEmu.Libs/SharpEmu.Libs.csproj" />
     <Project Path="src/SharpEmu.Logging/SharpEmu.Logging.csproj" />

global.json

@@ -1,6 +1,6 @@
 {
     "sdk": {
         "version": "10.0.103",
-        "rollForward": "latestFeature"
+        "rollForward": "disable"
     }
 }

src/SharpEmu.CLI/Program.cs

@@ -3,7 +3,6 @@
 
 using SharpEmu.Core.Runtime;
 using SharpEmu.Core.Cpu;
-using SharpEmu.GUI;
 using SharpEmu.HLE;
 using SharpEmu.Logging;
 using System.Runtime.InteropServices;
@@ -25,32 +24,12 @@ internal static partial class Program
     private const ulong PROCESS_CREATION_MITIGATION_POLICY2_CET_USER_SHADOW_STACKS_ALWAYS_OFF = 0x00000002UL << 28;
     private const ulong PROCESS_CREATION_MITIGATION_POLICY2_USER_CET_SET_CONTEXT_IP_VALIDATION_ALWAYS_OFF = 0x00000002UL << 32;
     private const ulong PROCESS_CREATION_MITIGATION_POLICY2_XTENDED_CONTROL_FLOW_GUARD_ALWAYS_OFF = 0x00000002UL << 40;
-    private const int ATTACH_PARENT_PROCESS = -1;
-    private const int STD_OUTPUT_HANDLE = -11;
-    private const int STD_ERROR_HANDLE = -12;
-    private const uint GENERIC_READ = 0x80000000;
-    private const uint GENERIC_WRITE = 0x40000000;
-    private const uint FILE_SHARE_READ = 0x00000001;
-    private const uint FILE_SHARE_WRITE = 0x00000002;
-    private const uint OPEN_EXISTING = 3;
 
-    [STAThread]
     private static int Main(string[] args)
     {
-        args = NormalizeInternalArguments(args, out var isMitigatedChild);
-        if (args.Length == 0 && !isMitigatedChild)
-        {
-            // No arguments: open the desktop frontend. Any argument selects
-            // the classic CLI behavior below.
-            return GuiLauncher.Run();
-        }
-
-        // The executable uses the GUI subsystem, so CLI mode has to connect
-        // itself to a console before the first write.
-        EnsureCliConsole();
-
         Console.Error.WriteLine($"[DEBUG] SharpEmu starting with {args.Length} args");
 
+        args = NormalizeInternalArguments(args, out var isMitigatedChild);
         if (!isMitigatedChild && TryRunMitigatedChild(args, out var childExitCode))
         {
             return childExitCode;
@@ -122,58 +101,6 @@ internal static partial class Program
         return result == OrbisGen2Result.ORBIS_GEN2_OK ? 0 : 4;
     }
 
-    private static void EnsureCliConsole()
-    {
-        if (!OperatingSystem.IsWindows())
-        {
-            return;
-        }
-
-        // Standard handles already provided (pipes or file redirection, e.g.
-        // when the GUI or a script launches us): use them as-is.
-        if (IsHandleValid(GetStdHandle(STD_OUTPUT_HANDLE)) && IsHandleValid(GetStdHandle(STD_ERROR_HANDLE)))
-        {
-            return;
-        }
-
-        // Prefer the console of the parent process (interactive terminal);
-        // create one only when started with arguments but no terminal at all
-        // (e.g. a shortcut), so usage and errors remain visible.
-        if (!AttachConsole(ATTACH_PARENT_PROCESS) && GetConsoleWindow() == 0)
-        {
-            _ = AllocConsole();
-        }
-
-        RebindStdHandleToConsole(STD_OUTPUT_HANDLE);
-        RebindStdHandleToConsole(STD_ERROR_HANDLE);
-    }
-
-    private static void RebindStdHandleToConsole(int stdHandle)
-    {
-        if (IsHandleValid(GetStdHandle(stdHandle)) || GetConsoleWindow() == 0)
-        {
-            return;
-        }
-
-        var conOut = CreateFileW(
-            "CONOUT$",
-            GENERIC_READ | GENERIC_WRITE,
-            FILE_SHARE_READ | FILE_SHARE_WRITE,
-            0,
-            OPEN_EXISTING,
-            0,
-            0);
-        if (IsHandleValid(conOut))
-        {
-            _ = SetStdHandle(stdHandle, conOut);
-        }
-    }
-
-    private static bool IsHandleValid(nint handle)
-    {
-        return handle != 0 && handle != -1;
-    }
-
     private static string[] NormalizeInternalArguments(string[] args, out bool isMitigatedChild)
     {
         isMitigatedChild = false;
@@ -743,32 +670,4 @@ internal static partial class Program
     [DllImport("kernel32.dll", SetLastError = true)]
     [return: MarshalAs(UnmanagedType.Bool)]
     private static extern bool CloseHandle(nint handle);
-
-    [DllImport("kernel32.dll")]
-    private static extern nint GetConsoleWindow();
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool AttachConsole(int processId);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool AllocConsole();
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    private static extern nint GetStdHandle(int stdHandle);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool SetStdHandle(int stdHandle, nint handle);
-
-    [DllImport("kernel32.dll", EntryPoint = "CreateFileW", SetLastError = true, CharSet = CharSet.Unicode)]
-    private static extern nint CreateFileW(
-        string fileName,
-        uint desiredAccess,
-        uint shareMode,
-        nint securityAttributes,
-        uint creationDisposition,
-        uint flagsAndAttributes,
-        nint templateFile);
 }

src/SharpEmu.CLI/SharpEmu.CLI.csproj

@@ -7,19 +7,16 @@ SPDX-License-Identifier: GPL-2.0-or-later
 
   <ItemGroup>
     <ProjectReference Include="..\SharpEmu.Core\SharpEmu.Core.csproj" />
-    <ProjectReference Include="..\SharpEmu.GUI\SharpEmu.GUI.csproj" />
     <ProjectReference Include="..\SharpEmu.Logging\SharpEmu.Logging.csproj" />
   </ItemGroup>
 
   <PropertyGroup>
-    <!-- GUI subsystem so starting without arguments opens the frontend with no
+    <OutputType>Exe</OutputType>
-         console window; CLI mode re-attaches to the parent terminal's console. -->
-    <OutputType>WinExe</OutputType>
     <AssemblyName>SharpEmu</AssemblyName>
     <RuntimeIdentifiers>win-x64;linux-x64;osx-arm64</RuntimeIdentifiers>
     <SelfContained>true</SelfContained>
     <PublishSingleFile>true</PublishSingleFile>
-    <IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>
+    <!-- <IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract> -->
     <EnableCompressionInSingleFile>true</EnableCompressionInSingleFile>
     <ImplicitUsings>enable</ImplicitUsings>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
@@ -38,10 +35,6 @@ SPDX-License-Identifier: GPL-2.0-or-later
     <Win32Icon>..\..\assets\images\SharpEmu.ico</Win32Icon>
   </PropertyGroup>
 
-  <PropertyGroup>
-    <NoWarn>$(NoWarn);1591</NoWarn>
-  </PropertyGroup>
-  
   <ItemGroup>
     <Content Include="..\..\LICENSE.txt">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
@@ -50,17 +43,4 @@ SPDX-License-Identifier: GPL-2.0-or-later
     </Content>
   </ItemGroup>
 
-  <!-- Keep glfw as a loose file next to the executable; every other native
-       library is embedded into the single-file bundle. -->
-  <Target Name="KeepGlfwOutsideSingleFile" AfterTargets="ComputeResolvedFilesToPublishList">
-    <ItemGroup>
-      <_GlfwPublishFiles Include="@(ResolvedFileToPublish)"
-                         Condition="$([System.String]::Copy('%(ResolvedFileToPublish.Filename)').StartsWith('glfw'))" />
-      <ResolvedFileToPublish Remove="@(_GlfwPublishFiles)" />
-      <ResolvedFileToPublish Include="@(_GlfwPublishFiles)">
-        <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
-      </ResolvedFileToPublish>
-    </ItemGroup>
-  </Target>
-
 </Project>

src/SharpEmu.CLI/packages.lock.json

@@ -4,108 +4,9 @@
     "net10.0": {
       "Microsoft.NET.ILLink.Tasks": {
         "type": "Direct",
-        "requested": "[10.0.9, )",
+        "requested": "[10.0.3, )",
-        "resolved": "10.0.9",
+        "resolved": "10.0.3",
-        "contentHash": "4Iw41e2h7I4t70SJcX2GCmbyKJIlA273Cfm9RJMM050/3VBejGAG1KcthP5Z2L6SQcbfbf6BhNWO26+ZG+GzMg=="
+        "contentHash": "0B6nZyCHWXnvmlB559oduOspVdNOnpNXPjhpWVMovLPAsDVG7A4jJR9rzECf67JUzxP8/ee/wA8clwIzJcWNFA=="
-      },
-      "Avalonia.Angle.Windows.Natives": {
-        "type": "Transitive",
-        "resolved": "2.1.25547.20250602",
-        "contentHash": "ZL0VLc4s9rvNNFt19Pxm5UNAkmKNylugAwJPX9ulXZ6JWs/l6XZihPWWTyezaoNOVyEPU8YbURtW7XMAtqXH5A=="
-      },
-      "Avalonia.BuildServices": {
-        "type": "Transitive",
-        "resolved": "11.3.2",
-        "contentHash": "qHDToxto1e3hci5YqbG9n0Ty8mlp3zBUN5wT66wKqaDVzXyQ0do3EnRILd4Ke9jpvsktaPpgE0YjEk7hornryQ=="
-      },
-      "Avalonia.FreeDesktop": {
-        "type": "Transitive",
-        "resolved": "11.3.18",
-        "contentHash": "aUwv8BNruRUOaUfMu4U3uibIUS60/rSHgGOhd8zBkLkpxY3JFJvgRbeq5ZzHIyKXCuKi18PO00YHAgCarp3wdw==",
-        "dependencies": {
-          "Avalonia": "11.3.18",
-          "Tmds.DBus.Protocol": "0.21.3"
-        }
-      },
-      "Avalonia.Native": {
-        "type": "Transitive",
-        "resolved": "11.3.18",
-        "contentHash": "8g53DROFW6wVJAnTsE1Iu5bdZO5r0oqxbdbMQODs1QDYCK2IU/y/x/vQVKCYOvqxl4tXkzU9tExv8XqSGPWthQ==",
-        "dependencies": {
-          "Avalonia": "11.3.18"
-        }
-      },
-      "Avalonia.Remote.Protocol": {
-        "type": "Transitive",
-        "resolved": "11.3.18",
-        "contentHash": "vw+6ZfgTuu72dA9aVWn6u56t2nrBd5MoMU0wo/qI9XJAl/c0oYYphIvwLvJP1JorubQY4UE3d0ac8ULBhrGBiA=="
-      },
-      "Avalonia.Skia": {
-        "type": "Transitive",
-        "resolved": "11.3.18",
-        "contentHash": "/B4aXmNRNjG8I5U/a1xJI+bIi0XO6DDzS3mBrIKlVnJRY2CyZiUeESRQXLnIU77Z9TvqkUROs+D47s085YjFtA==",
-        "dependencies": {
-          "Avalonia": "11.3.18",
-          "HarfBuzzSharp": "8.3.1.1",
-          "HarfBuzzSharp.NativeAssets.Linux": "8.3.1.1",
-          "HarfBuzzSharp.NativeAssets.WebAssembly": "8.3.1.1",
-          "SkiaSharp": "2.88.9",
-          "SkiaSharp.NativeAssets.Linux": "2.88.9",
-          "SkiaSharp.NativeAssets.WebAssembly": "2.88.9"
-        }
-      },
-      "Avalonia.Win32": {
-        "type": "Transitive",
-        "resolved": "11.3.18",
-        "contentHash": "eioUHkM2PeLPETd1aEks3rvb9plbba6buIrNdrqCpwE/qgHKUjvRNBd5mUQfAbGgTLiAes524gB8uUMDhrsJVQ==",
-        "dependencies": {
-          "Avalonia": "11.3.18",
-          "Avalonia.Angle.Windows.Natives": "2.1.25547.20250602"
-        }
-      },
-      "Avalonia.X11": {
-        "type": "Transitive",
-        "resolved": "11.3.18",
-        "contentHash": "m4Ki/G5Dovnq+6QzfS0iGbK8V77Q6oTjToMLOB0CxPCCrl3Oxywh6kIjuGJDPaN6kopMmjxlNShyQf+vPYL+JA==",
-        "dependencies": {
-          "Avalonia": "11.3.18",
-          "Avalonia.FreeDesktop": "11.3.18",
-          "Avalonia.Skia": "11.3.18"
-        }
-      },
-      "HarfBuzzSharp": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "tLZN66oe/uiRPTZfrCU4i8ScVGwqHNh5MHrXj0yVf4l7Mz0FhTGnQ71RGySROTmdognAs0JtluHkL41pIabWuQ==",
-        "dependencies": {
-          "HarfBuzzSharp.NativeAssets.Win32": "8.3.1.1",
-          "HarfBuzzSharp.NativeAssets.macOS": "8.3.1.1"
-        }
-      },
-      "HarfBuzzSharp.NativeAssets.Linux": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "3EZ1mpIiKWRLL5hUYA82ZHteeDIVaEA/Z0rA/wU6tjx6crcAkJnBPwDXZugBSfo8+J3EznvRJf49uMsqYfKrHg=="
-      },
-      "HarfBuzzSharp.NativeAssets.macOS": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "jbtCsgftcaFLCA13tVKo5iWdElJScrulLTKJre36O4YQTIlwDtPPqhRZNk+Y0vv4D1gxbscasGRucUDfS44ofQ=="
-      },
-      "HarfBuzzSharp.NativeAssets.WebAssembly": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "loJweK2u/mH/3C2zBa0ggJlITIszOkK64HLAZB7FUT670dTg965whLFYHDQo69NmC4+d9UN0icLC9VHidXaVCA=="
-      },
-      "HarfBuzzSharp.NativeAssets.Win32": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "UsJtQsfAJoFDZrXc4hCUfRPMqccfKZ0iumJ/upcUjz/cmsTgVFGNEL5yaJWmkqsuFYdMWbj/En5/kS4PFl9hBA=="
-      },
-      "MicroCom.Runtime": {
-        "type": "Transitive",
-        "resolved": "0.11.0",
-        "contentHash": "MEnrZ3UIiH40hjzMDsxrTyi8dtqB5ziv3iBeeU4bXsL/7NLSal9F1lZKpK+tfBRnUoDSdtcW3KufE4yhATOMCA=="
       },
       "Microsoft.DotNet.PlatformAbstractions": {
         "type": "Transitive",
@@ -158,38 +59,6 @@
           "Silk.NET.Windowing.Common": "2.23.0"
         }
       },
-      "SkiaSharp": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "3MD5VHjXXieSHCleRLuaTXmL2pD0mB7CcOB1x2kA1I4bhptf4e3R27iM93264ZYuAq6mkUyX5XbcxnZvMJYc1Q==",
-        "dependencies": {
-          "SkiaSharp.NativeAssets.Win32": "2.88.9",
-          "SkiaSharp.NativeAssets.macOS": "2.88.9"
-        }
-      },
-      "SkiaSharp.NativeAssets.Linux": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "cWSaJKVPWAaT/WIn9c8T5uT/l4ETwHxNJTkEOtNKjphNo8AW6TF9O32aRkxqw3l8GUdUo66Bu7EiqtFh/XG0Zg==",
-        "dependencies": {
-          "SkiaSharp": "2.88.9"
-        }
-      },
-      "SkiaSharp.NativeAssets.macOS": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "Nv5spmKc4505Ep7oUoJ5vp3KweFpeNqxpyGDWyeEPTX2uR6S6syXIm3gj75dM0YJz7NPvcix48mR5laqs8dPuA=="
-      },
-      "SkiaSharp.NativeAssets.WebAssembly": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "kt06RccBHSnAs2wDYdBSfsjIDbY3EpsOVqnlDgKdgvyuRA8ZFDaHRdWNx1VHjGgYzmnFCGiTJBnXFl5BqGwGnA=="
-      },
-      "SkiaSharp.NativeAssets.Win32": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "wb2kYgU7iy84nQLYZwMeJXixvK++GoIuECjU4ECaUKNuflyRlJKyiRhN1MAHswvlvzuvkrjRWlK0Za6+kYQK7w=="
-      },
       "Ultz.Native.GLFW": {
         "type": "Transitive",
         "resolved": "3.4.0",
@@ -204,16 +73,6 @@
           "SharpEmu.Logging": "[1.0.0, )"
         }
       },
-      "sharpemu.gui": {
-        "type": "Project",
-        "dependencies": {
-          "Avalonia": "[11.3.18, )",
-          "Avalonia.Desktop": "[11.3.18, )",
-          "Avalonia.Fonts.Inter": "[11.3.18, )",
-          "Avalonia.Themes.Fluent": "[11.3.18, )",
-          "Tmds.DBus.Protocol": "[0.21.3, )"
-        }
-      },
       "sharpemu.hle": {
         "type": "Project"
       },
@@ -222,7 +81,6 @@
         "dependencies": {
           "SharpEmu.HLE": "[1.0.0, )",
           "Silk.NET.Vulkan": "[2.23.0, )",
-          "Silk.NET.Vulkan.Extensions.EXT": "[2.23.0, )",
           "Silk.NET.Vulkan.Extensions.KHR": "[2.23.0, )",
           "Silk.NET.Windowing": "[2.23.0, )"
         }
@@ -230,48 +88,6 @@
       "sharpemu.logging": {
         "type": "Project"
       },
-      "Avalonia": {
-        "type": "CentralTransitive",
-        "requested": "[11.3.18, )",
-        "resolved": "11.3.18",
-        "contentHash": "2C4UxhWUObWGgYKWic1x5BMMWGJP6SElb91WeOxs+X/iR26rtkqpxFFwwo50FXS9AyYnHfk8QKXDEfe7oT/kZA==",
-        "dependencies": {
-          "Avalonia.BuildServices": "11.3.2",
-          "Avalonia.Remote.Protocol": "11.3.18",
-          "MicroCom.Runtime": "0.11.0"
-        }
-      },
-      "Avalonia.Desktop": {
-        "type": "CentralTransitive",
-        "requested": "[11.3.18, )",
-        "resolved": "11.3.18",
-        "contentHash": "bilMPa5vYiis6fbNovb6esKytBnOCEGojBa1XFegLCRHCP6g6PvZwS0XF/YOAGkENRlHG8dI7lohOpQ9bIkq1g==",
-        "dependencies": {
-          "Avalonia": "11.3.18",
-          "Avalonia.Native": "11.3.18",
-          "Avalonia.Skia": "11.3.18",
-          "Avalonia.Win32": "11.3.18",
-          "Avalonia.X11": "11.3.18"
-        }
-      },
-      "Avalonia.Fonts.Inter": {
-        "type": "CentralTransitive",
-        "requested": "[11.3.18, )",
-        "resolved": "11.3.18",
-        "contentHash": "27u6hB3Y2Ue586yjfeVakberY73VNQXtuKwe/P927XG1QPlhsfmOyifLHDDpSHG85Zl1x/Xv9IZ3+tk9FnjcZQ==",
-        "dependencies": {
-          "Avalonia": "11.3.18"
-        }
-      },
-      "Avalonia.Themes.Fluent": {
-        "type": "CentralTransitive",
-        "requested": "[11.3.18, )",
-        "resolved": "11.3.18",
-        "contentHash": "+Q/TJoynD0zNuu5w2gD+xcTl7GNKJFxlPYAndRLs/mTDrNbbsvv/271WyIysbMPsXSjCyBDp7RCZzQkpD6x5Bg==",
-        "dependencies": {
-          "Avalonia": "11.3.18"
-        }
-      },
       "Iced": {
         "type": "CentralTransitive",
         "requested": "[1.21.0, )",
@@ -287,16 +103,6 @@
           "Silk.NET.Core": "2.23.0"
         }
       },
-      "Silk.NET.Vulkan.Extensions.EXT": {
-        "type": "CentralTransitive",
-        "requested": "[2.23.0, )",
-        "resolved": "2.23.0",
-        "contentHash": "+Oth189ksRiL6HvGCwIdnsYHawqrbO8y49u1H61z3wsfcHhQZeVDYe/wF5LD7fk3NcdgDvwFD3mLm1QWhdZySw==",
-        "dependencies": {
-          "Silk.NET.Core": "2.23.0",
-          "Silk.NET.Vulkan": "2.23.0"
-        }
-      },
       "Silk.NET.Vulkan.Extensions.KHR": {
         "type": "CentralTransitive",
         "requested": "[2.23.0, )",
@@ -316,61 +122,9 @@
           "Silk.NET.Windowing.Common": "2.23.0",
           "Silk.NET.Windowing.Glfw": "2.23.0"
         }
-      },
-      "Tmds.DBus.Protocol": {
-        "type": "CentralTransitive",
-        "requested": "[0.21.3, )",
-        "resolved": "0.21.3",
-        "contentHash": "hDwB8WsQoyALQKqIbwzS68UKdlnafDm4T/DkO/JrA/YIneP/rKv96SxYPVXeh3FP4i/SXfShrYftKLtciJAIlw=="
       }
     },
     "net10.0/linux-x64": {
-      "Avalonia.Angle.Windows.Natives": {
-        "type": "Transitive",
-        "resolved": "2.1.25547.20250602",
-        "contentHash": "ZL0VLc4s9rvNNFt19Pxm5UNAkmKNylugAwJPX9ulXZ6JWs/l6XZihPWWTyezaoNOVyEPU8YbURtW7XMAtqXH5A=="
-      },
-      "Avalonia.Native": {
-        "type": "Transitive",
-        "resolved": "11.3.18",
-        "contentHash": "8g53DROFW6wVJAnTsE1Iu5bdZO5r0oqxbdbMQODs1QDYCK2IU/y/x/vQVKCYOvqxl4tXkzU9tExv8XqSGPWthQ==",
-        "dependencies": {
-          "Avalonia": "11.3.18"
-        }
-      },
-      "HarfBuzzSharp.NativeAssets.Linux": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "3EZ1mpIiKWRLL5hUYA82ZHteeDIVaEA/Z0rA/wU6tjx6crcAkJnBPwDXZugBSfo8+J3EznvRJf49uMsqYfKrHg=="
-      },
-      "HarfBuzzSharp.NativeAssets.macOS": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "jbtCsgftcaFLCA13tVKo5iWdElJScrulLTKJre36O4YQTIlwDtPPqhRZNk+Y0vv4D1gxbscasGRucUDfS44ofQ=="
-      },
-      "HarfBuzzSharp.NativeAssets.Win32": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "UsJtQsfAJoFDZrXc4hCUfRPMqccfKZ0iumJ/upcUjz/cmsTgVFGNEL5yaJWmkqsuFYdMWbj/En5/kS4PFl9hBA=="
-      },
-      "SkiaSharp.NativeAssets.Linux": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "cWSaJKVPWAaT/WIn9c8T5uT/l4ETwHxNJTkEOtNKjphNo8AW6TF9O32aRkxqw3l8GUdUo66Bu7EiqtFh/XG0Zg==",
-        "dependencies": {
-          "SkiaSharp": "2.88.9"
-        }
-      },
-      "SkiaSharp.NativeAssets.macOS": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "Nv5spmKc4505Ep7oUoJ5vp3KweFpeNqxpyGDWyeEPTX2uR6S6syXIm3gj75dM0YJz7NPvcix48mR5laqs8dPuA=="
-      },
-      "SkiaSharp.NativeAssets.Win32": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "wb2kYgU7iy84nQLYZwMeJXixvK++GoIuECjU4ECaUKNuflyRlJKyiRhN1MAHswvlvzuvkrjRWlK0Za6+kYQK7w=="
-      },
       "Ultz.Native.GLFW": {
         "type": "Transitive",
         "resolved": "3.4.0",
@@ -378,52 +132,6 @@
       }
     },
     "net10.0/osx-arm64": {
-      "Avalonia.Angle.Windows.Natives": {
-        "type": "Transitive",
-        "resolved": "2.1.25547.20250602",
-        "contentHash": "ZL0VLc4s9rvNNFt19Pxm5UNAkmKNylugAwJPX9ulXZ6JWs/l6XZihPWWTyezaoNOVyEPU8YbURtW7XMAtqXH5A=="
-      },
-      "Avalonia.Native": {
-        "type": "Transitive",
-        "resolved": "11.3.18",
-        "contentHash": "8g53DROFW6wVJAnTsE1Iu5bdZO5r0oqxbdbMQODs1QDYCK2IU/y/x/vQVKCYOvqxl4tXkzU9tExv8XqSGPWthQ==",
-        "dependencies": {
-          "Avalonia": "11.3.18"
-        }
-      },
-      "HarfBuzzSharp.NativeAssets.Linux": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "3EZ1mpIiKWRLL5hUYA82ZHteeDIVaEA/Z0rA/wU6tjx6crcAkJnBPwDXZugBSfo8+J3EznvRJf49uMsqYfKrHg=="
-      },
-      "HarfBuzzSharp.NativeAssets.macOS": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "jbtCsgftcaFLCA13tVKo5iWdElJScrulLTKJre36O4YQTIlwDtPPqhRZNk+Y0vv4D1gxbscasGRucUDfS44ofQ=="
-      },
-      "HarfBuzzSharp.NativeAssets.Win32": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "UsJtQsfAJoFDZrXc4hCUfRPMqccfKZ0iumJ/upcUjz/cmsTgVFGNEL5yaJWmkqsuFYdMWbj/En5/kS4PFl9hBA=="
-      },
-      "SkiaSharp.NativeAssets.Linux": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "cWSaJKVPWAaT/WIn9c8T5uT/l4ETwHxNJTkEOtNKjphNo8AW6TF9O32aRkxqw3l8GUdUo66Bu7EiqtFh/XG0Zg==",
-        "dependencies": {
-          "SkiaSharp": "2.88.9"
-        }
-      },
-      "SkiaSharp.NativeAssets.macOS": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "Nv5spmKc4505Ep7oUoJ5vp3KweFpeNqxpyGDWyeEPTX2uR6S6syXIm3gj75dM0YJz7NPvcix48mR5laqs8dPuA=="
-      },
-      "SkiaSharp.NativeAssets.Win32": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "wb2kYgU7iy84nQLYZwMeJXixvK++GoIuECjU4ECaUKNuflyRlJKyiRhN1MAHswvlvzuvkrjRWlK0Za6+kYQK7w=="
-      },
       "Ultz.Native.GLFW": {
         "type": "Transitive",
         "resolved": "3.4.0",
@@ -431,52 +139,6 @@
       }
     },
     "net10.0/win-x64": {
-      "Avalonia.Angle.Windows.Natives": {
-        "type": "Transitive",
-        "resolved": "2.1.25547.20250602",
-        "contentHash": "ZL0VLc4s9rvNNFt19Pxm5UNAkmKNylugAwJPX9ulXZ6JWs/l6XZihPWWTyezaoNOVyEPU8YbURtW7XMAtqXH5A=="
-      },
-      "Avalonia.Native": {
-        "type": "Transitive",
-        "resolved": "11.3.18",
-        "contentHash": "8g53DROFW6wVJAnTsE1Iu5bdZO5r0oqxbdbMQODs1QDYCK2IU/y/x/vQVKCYOvqxl4tXkzU9tExv8XqSGPWthQ==",
-        "dependencies": {
-          "Avalonia": "11.3.18"
-        }
-      },
-      "HarfBuzzSharp.NativeAssets.Linux": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "3EZ1mpIiKWRLL5hUYA82ZHteeDIVaEA/Z0rA/wU6tjx6crcAkJnBPwDXZugBSfo8+J3EznvRJf49uMsqYfKrHg=="
-      },
-      "HarfBuzzSharp.NativeAssets.macOS": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "jbtCsgftcaFLCA13tVKo5iWdElJScrulLTKJre36O4YQTIlwDtPPqhRZNk+Y0vv4D1gxbscasGRucUDfS44ofQ=="
-      },
-      "HarfBuzzSharp.NativeAssets.Win32": {
-        "type": "Transitive",
-        "resolved": "8.3.1.1",
-        "contentHash": "UsJtQsfAJoFDZrXc4hCUfRPMqccfKZ0iumJ/upcUjz/cmsTgVFGNEL5yaJWmkqsuFYdMWbj/En5/kS4PFl9hBA=="
-      },
-      "SkiaSharp.NativeAssets.Linux": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "cWSaJKVPWAaT/WIn9c8T5uT/l4ETwHxNJTkEOtNKjphNo8AW6TF9O32aRkxqw3l8GUdUo66Bu7EiqtFh/XG0Zg==",
-        "dependencies": {
-          "SkiaSharp": "2.88.9"
-        }
-      },
-      "SkiaSharp.NativeAssets.macOS": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "Nv5spmKc4505Ep7oUoJ5vp3KweFpeNqxpyGDWyeEPTX2uR6S6syXIm3gj75dM0YJz7NPvcix48mR5laqs8dPuA=="
-      },
-      "SkiaSharp.NativeAssets.Win32": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "wb2kYgU7iy84nQLYZwMeJXixvK++GoIuECjU4ECaUKNuflyRlJKyiRhN1MAHswvlvzuvkrjRWlK0Za6+kYQK7w=="
-      },
       "Ultz.Native.GLFW": {
         "type": "Transitive",
         "resolved": "3.4.0",

src/SharpEmu.Core/Cpu/CpuDispatcher.cs

@@ -415,8 +415,8 @@ public sealed class CpuDispatcher : ICpuDispatcher, IDisposable
 
         const ulong entryParamsSize = 0x20;
         var entryParamsAddress = AlignDown(argv0Address - entryParamsSize, 16);
-        if (!context.TryWriteUInt32(entryParamsAddress + 0x00, 1) ||
+        if (!TryWriteUInt32(context, entryParamsAddress + 0x00, 1) ||
-            !context.TryWriteUInt32(entryParamsAddress + 0x04, 0) ||
+            !TryWriteUInt32(context, entryParamsAddress + 0x04, 0) ||
             !context.TryWriteUInt64(entryParamsAddress + 0x08, argv0Address) ||
             !context.TryWriteUInt64(entryParamsAddress + 0x10, 0) ||
             !context.TryWriteUInt64(entryParamsAddress + 0x18, 0))
@@ -456,6 +456,13 @@ public sealed class CpuDispatcher : ICpuDispatcher, IDisposable
         return value & ~(alignment - 1);
     }
 
+    private static bool TryWriteUInt32(CpuContext context, ulong address, uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
+        return context.Memory.TryWrite(address, buffer);
+    }
+
     private static string BuildEntryFrameDiagnostic(
         ulong entryPoint,
         CpuContext context,

src/SharpEmu.Core/Cpu/Native/DirectExecutionBackend.Imports.cs

@@ -338,15 +338,10 @@ public sealed partial class DirectExecutionBackend
 				{
 					orbisGen2Result = DispatchBootstrapBridge();
 				}
-				else if (string.Equals(importStubEntry.Nid, RuntimeStubNids.KernelDynlibDlsym, StringComparison.Ordinal) ||
+				else if (string.Equals(importStubEntry.Nid, RuntimeStubNids.KernelDynlibDlsym, StringComparison.Ordinal))
-					string.Equals(importStubEntry.Nid, "LwG8g3niqwA", StringComparison.Ordinal))
 				{
 					orbisGen2Result = DispatchKernelDynlibDlsym();
 				}
-				else if (string.Equals(importStubEntry.Nid, "r8mvOaWdi28", StringComparison.Ordinal))
-				{
-					orbisGen2Result = DispatchIl2CppApiLookupSymbol();
-				}
 				else if (importStubEntry.Export is { } cachedExport &&
 					(cachedExport.Target & cpuContext.TargetGeneration) != 0)
 				{
@@ -633,56 +628,25 @@ public sealed partial class DirectExecutionBackend
 			"ASoW5WE-UPo" or // sceKernelAprSubmitCommandBufferAndGetResult
 			"rqwFKI4PAiM" or // sceKernelAprWaitCommandBuffer
 			"eE4Szl8sil8" or // sceKernelAprSubmitCommandBuffer
-			"qvMUCyyaCSI" or // sceKernelAprSubmitCommandBufferAndGetId
+			"qvMUCyyaCSI";   // sceKernelAprSubmitCommandBufferAndGetId
-			"Q2V+iqvjgC0" or // vsnprintf
-			"q1cHNfGycLI" or // scePadRead
-			"xk0AcarP3V4" or // scePadOpen
-			"yH17Q6NWtVg" or // sceUserServiceGetEvent
-			"D-CzAxQL0XI" or // sceUserServiceGetPlatformPrivacySetting
-			"K-jXhbt2gn4";   // scePthreadMutexTrylock
 
 	private bool ShouldLogImportResult(string nid, OrbisGen2Result result)
 	{
-		var resultValue = unchecked((int)result);
-		if (resultValue > 0)
-		{
-			return false;
-		}
-
 		var expectedFileProbeMiss =
 			result == OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND &&
 			IsExpectedFileProbeNotFoundNid(nid);
 		var expectedTimedWaitTimeout =
 			string.Equals(nid, "27bAgiJmOh0", StringComparison.Ordinal) &&
 			unchecked((int)result) == 60;
-		var expectedEqueueTimeout =
-			string.Equals(nid, "fzyMKs9kim0", StringComparison.Ordinal) &&
-			result == OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
 		var expectedMutexTrylockBusy =
 			string.Equals(nid, "K-jXhbt2gn4", StringComparison.Ordinal) &&
 			result == OrbisGen2Result.ORBIS_GEN2_ERROR_BUSY;
-		var expectedUserServiceNoEvent =
+		if (!expectedFileProbeMiss && !expectedTimedWaitTimeout && !expectedMutexTrylockBusy)
-			string.Equals(nid, "yH17Q6NWtVg", StringComparison.Ordinal) &&
-			resultValue == unchecked((int)0x80960007);
-		var expectedPrivacyInvalidParameter =
-			string.Equals(nid, "D-CzAxQL0XI", StringComparison.Ordinal) &&
-			resultValue == unchecked((int)0x80960009);
-		if (!expectedFileProbeMiss &&
-			!expectedTimedWaitTimeout &&
-			!expectedEqueueTimeout &&
-			!expectedMutexTrylockBusy &&
-			!expectedUserServiceNoEvent &&
-			!expectedPrivacyInvalidParameter)
 		{
 			return true;
 		}
 
-		if (!ShouldLogExpectedImportResults())
+		var key = nid + "\0" + (int)result;
-		{
-			return false;
-		}
-
-		var key = nid + "\0" + resultValue;
 		int count;
 		lock (_importResultLogSampleGate)
 		{
@@ -694,12 +658,6 @@ public sealed partial class DirectExecutionBackend
 		return count <= 8 || count % 10000 == 0;
 	}
 
-	private static bool ShouldLogExpectedImportResults() =>
-		string.Equals(
-			Environment.GetEnvironmentVariable("SHARPEMU_LOG_EXPECTED_IMPORT_RESULTS"),
-			"1",
-			StringComparison.Ordinal);
-
 	private static bool IsExpectedFileProbeNotFoundNid(string nid) =>
 		nid is
 			"eV9wAD2riIA" or // sceKernelStat
@@ -1222,11 +1180,8 @@ public sealed partial class DirectExecutionBackend
 			cpuContext[CpuRegister.Rax] = 18446744073709551615uL;
 			return OrbisGen2Result.ORBIS_GEN2_OK;
 		}
-		if (!TryResolveRuntimeSymbolAddress(symbolName, out var resolvedAddress) &&
+		if (!TryResolveRuntimeSymbolAddress(symbolName, out var resolvedAddress))
-			!TryResolveRuntimeSymbolAlias(symbolName, out resolvedAddress))
 		{
-			Console.Error.WriteLine(
-				$"[LOADER][WARN] sceKernelDlsym failed: handle=0x{cpuContext[CpuRegister.Rdi]:X} symbol='{symbolName}'");
 			cpuContext[CpuRegister.Rax] = 18446744073709551615uL;
 			return OrbisGen2Result.ORBIS_GEN2_OK;
 		}
@@ -1239,62 +1194,6 @@ public sealed partial class DirectExecutionBackend
 		return OrbisGen2Result.ORBIS_GEN2_OK;
 	}
 
-	private bool TryResolveRuntimeSymbolAlias(string symbolName, out ulong address)
-	{
-		address = 0;
-		var alias = symbolName switch
-		{
-			"scriptingGetMem" => "malloc",
-			"scriptingFreeMem" => "free",
-			"scriptingRealloc" => "realloc",
-			"scriptingCalloc" => "calloc",
-			_ => null,
-		};
-
-		return alias != null && TryResolveRuntimeSymbolAddress(alias, out address);
-	}
-
-	private OrbisGen2Result DispatchIl2CppApiLookupSymbol()
-	{
-		var cpuContext = ActiveCpuContext;
-		if (cpuContext == null)
-		{
-			return OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
-		}
-
-		var symbolNameAddress = cpuContext[CpuRegister.Rdi];
-		var outputAddress = cpuContext[CpuRegister.Rsi];
-		if (!TryReadAsciiZ(symbolNameAddress, 512, out var symbolName) ||
-			outputAddress == 0 ||
-			!TryResolveIl2CppApiAddress(symbolName, out var resolvedAddress) ||
-			!TryWriteUInt64Compat(outputAddress, resolvedAddress))
-		{
-			Console.Error.WriteLine(
-				$"[LOADER][WARN] il2cpp_api_lookup_symbol failed: name='{symbolName}' out=0x{outputAddress:X16}");
-			if (outputAddress != 0)
-			{
-				_ = TryWriteUInt64Compat(outputAddress, 0);
-			}
-
-			cpuContext[CpuRegister.Rax] = ulong.MaxValue;
-			return OrbisGen2Result.ORBIS_GEN2_OK;
-		}
-
-		cpuContext[CpuRegister.Rax] = 0;
-		return OrbisGen2Result.ORBIS_GEN2_OK;
-	}
-
-	private bool TryResolveIl2CppApiAddress(string symbolName, out ulong address)
-	{
-		if (TryResolveRuntimeSymbolAddress(symbolName, out address))
-		{
-			return true;
-		}
-
-		return Aerolib.Instance.TryGetByExportName(symbolName, out var symbol) &&
-			TryResolveRuntimeSymbolAddress(symbol.Nid, out address);
-	}
-
 	private OrbisGen2Result DispatchBootstrapBridge()
 	{
 		var cpuContext = ActiveCpuContext;

src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs

@@ -11,9 +11,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
 {
     private readonly ReaderWriterLockSlim _gate = new(LockRecursionPolicy.SupportsRecursion);
     private readonly object _guestAllocationGate = new();
-    private readonly object _allocationSearchHintGate = new();
     private readonly List<MemoryRegion> _regions = new();
-    private readonly Dictionary<(ulong DesiredAddress, ulong Alignment, bool Executable), ulong> _allocationSearchHints = new();
     private readonly Dictionary<ulong, ProgramHeaderFlags> _pageProtections = new();
     private bool _disposed;
     private const ulong PageSize = 0x1000;
@@ -21,8 +19,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
     private const ulong GuestAllocationArenaSize = 0x0100_0000;
     private const ulong GuestAllocationArenaStartOffset = PageSize;
     private const ulong LargeDataReserveThreshold = 0x4000_0000UL; // 1 GiB
-    private const ulong FullCommitRegionLimit = 4UL << 30;
+    private const ulong LazyReservePrimeBytes = 0x5000_0000UL; // 1.25 GiB
-    private const ulong DefaultLazyReservePrimeBytes = 0x0400_0000UL; // 64 MiB
     private const ulong LazyReservePrimeChunkBytes = 0x0200_0000UL; // 32 MiB
 
     private const uint MEM_COMMIT = 0x1000;
@@ -38,7 +35,6 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
 
     private ulong _guestAllocationArenaBase;
     private ulong _guestAllocationOffset;
-    private static readonly ulong LazyReservePrimeBytes = ResolveLazyReservePrimeBytes();
 
     [DllImport("kernel32.dll", SetLastError = true)]
     private static extern void* VirtualAlloc(void* lpAddress, nuint dwSize, uint flAllocationType, uint flProtect);
@@ -100,7 +96,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
         }
 
         var allocationKind = executable ? "executable memory" : "data memory";
-        TraceVmem($"Allocated exact {allocationKind}: 0x{actualAddress:X16} - 0x{actualAddress + alignedSize:X16} ({alignedSize} bytes)");
+        Console.Error.WriteLine($"[VMEM] Allocated exact {allocationKind}: 0x{actualAddress:X16} - 0x{actualAddress + alignedSize:X16} ({alignedSize} bytes)");
         return true;
     }
 
@@ -114,9 +110,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
         var protection = executable ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
         var allocationType = MEM_COMMIT | MEM_RESERVE;
         var reservedOnly = false;
-        var preferReserveOnly = !executable &&
+        var preferReserveOnly = !executable && alignedSize >= LargeDataReserveThreshold;
-            alignedSize >= LargeDataReserveThreshold &&
-            alignedSize > FullCommitRegionLimit;
 
         void* result = null;
         if (preferReserveOnly)
@@ -145,7 +139,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
                 throw new InvalidOperationException($"Failed to allocate exact mapping at 0x{desiredAddress:X16} ({alignedSize} bytes)");
             }
 
-            TraceVmem($"Could not allocate at 0x{desiredAddress:X16}, trying any address...");
+            Console.Error.WriteLine($"[VMEM] Could not allocate at 0x{desiredAddress:X16}, trying any address...");
             result = VirtualAlloc(null, (nuint)alignedSize, allocationType, protection);
 
             if (result == null)
@@ -199,12 +193,12 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
                     lazyPrimeState = committedBytes == primeBytes
                         ? $"ok:{committedBytes:X}"
                         : $"partial:{committedBytes:X}/{primeBytes:X}";
-                    TraceVmem($"Primed lazy region: 0x{actualAddress:X16} - 0x{actualAddress + committedBytes:X16} ({committedBytes} bytes)");
+                    Console.Error.WriteLine($"[VMEM] Primed lazy region: 0x{actualAddress:X16} - 0x{actualAddress + committedBytes:X16} ({committedBytes} bytes)");
                 }
                 else
                 {
                     lazyPrimeState = $"fail:{primeBytes:X}";
-                    TraceVmem($"Failed to prime lazy region at 0x{actualAddress:X16} ({primeBytes} bytes), continuing with on-demand commit");
+                    Console.Error.WriteLine($"[VMEM] Failed to prime lazy region at 0x{actualAddress:X16} ({primeBytes} bytes), continuing with on-demand commit");
                 }
             }
             else
@@ -233,7 +227,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
         var allocationKind = reservedOnly
             ? "reserved data memory (lazy commit)"
             : (executable ? "executable memory" : "data memory");
-        TraceVmem($"Allocated {allocationKind}: 0x{actualAddress:X16} - 0x{actualAddress + alignedSize:X16} ({alignedSize} bytes) lazy_prime={lazyPrimeState}");
+        Console.Error.WriteLine($"[VMEM] Allocated {allocationKind}: 0x{actualAddress:X16} - 0x{actualAddress + alignedSize:X16} ({alignedSize} bytes) lazy_prime={lazyPrimeState}");
 
         return actualAddress;
     }
@@ -253,8 +247,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
 
         var alignedSize = AlignUp(size, PageSize);
         var effectiveAlignment = Math.Max(PageSize, alignment == 0 ? PageSize : alignment);
-        var requestedCursor = AlignUp(desiredAddress, effectiveAlignment);
+        var cursor = AlignUp(desiredAddress, effectiveAlignment);
-        var cursor = GetAllocationSearchCursor(desiredAddress, requestedCursor, effectiveAlignment, executable);
 
         for (var attempt = 0; attempt < 0x10000; attempt++)
         {
@@ -274,7 +267,6 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
                 actualAddress = AllocateAt(cursor, alignedSize, executable, allowAlternative: false);
                 if (actualAddress == cursor)
                 {
-                    UpdateAllocationSearchCursor(desiredAddress, effectiveAlignment, executable, actualAddress + alignedSize);
                     return true;
                 }
 
@@ -342,10 +334,6 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
                 }
                 _regions.Clear();
                 _pageProtections.Clear();
-                lock (_allocationSearchHintGate)
-                {
-                    _allocationSearchHints.Clear();
-                }
             }
             finally
             {
@@ -402,7 +390,7 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
 
             ApplySegmentProtection(mapStart, mapEnd, protection);
 
-            TraceVmem($"Mapped segment: 0x{virtualAddress:X16} - 0x{virtualAddress + memorySize:X16} (file: {fileData.Length} bytes, prot: {protection})");
+            Console.Error.WriteLine($"[VMEM] Mapped segment: 0x{virtualAddress:X16} - 0x{virtualAddress + memorySize:X16} (file: {fileData.Length} bytes, prot: {protection})");
         }
         finally
         {
@@ -805,16 +793,6 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
             foreach (var region in _regions)
             {
                 var regionEnd = region.VirtualAddress + region.Size;
-                if (region.VirtualAddress >= end)
-                {
-                    break;
-                }
-
-                if (regionEnd <= address)
-                {
-                    continue;
-                }
-
                 if (address < regionEnd && region.VirtualAddress < end)
                 {
                     overlapEnd = Math.Max(overlapEnd, regionEnd);
@@ -829,37 +807,6 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
         return overlapEnd != 0;
     }
 
-    private ulong GetAllocationSearchCursor(
-        ulong desiredAddress,
-        ulong requestedCursor,
-        ulong alignment,
-        bool executable)
-    {
-        lock (_allocationSearchHintGate)
-        {
-            var key = (desiredAddress, alignment, executable);
-            if (_allocationSearchHints.TryGetValue(key, out var hintedCursor) &&
-                hintedCursor > requestedCursor)
-            {
-                return AlignUp(hintedCursor, alignment);
-            }
-        }
-
-        return requestedCursor;
-    }
-
-    private void UpdateAllocationSearchCursor(
-        ulong desiredAddress,
-        ulong alignment,
-        bool executable,
-        ulong nextCursor)
-    {
-        lock (_allocationSearchHintGate)
-        {
-            _allocationSearchHints[(desiredAddress, alignment, executable)] = AlignUp(nextCursor, alignment);
-        }
-    }
-
     private static bool TryResolveRegionOffset(ulong address, ulong size, MemoryRegion region, out ulong offset)
     {
         offset = 0;
@@ -1028,29 +975,6 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
         return checked((value + mask) & ~mask);
     }
 
-    private static ulong ResolveLazyReservePrimeBytes()
-    {
-        var configured = Environment.GetEnvironmentVariable("SHARPEMU_LAZY_RESERVE_PRIME_MB");
-        if (ulong.TryParse(configured, out var megabytes))
-        {
-            return megabytes == 0
-                ? 0
-                : checked(Math.Min(megabytes, 4096UL) * 1024UL * 1024UL);
-        }
-
-        return DefaultLazyReservePrimeBytes;
-    }
-
-    private static void TraceVmem(string message)
-    {
-        if (!string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_VMEM"), "1", StringComparison.Ordinal))
-        {
-            return;
-        }
-
-        Console.Error.WriteLine($"[VMEM] {message}");
-    }
-
     public void Dispose()
     {
         if (!_disposed)

src/SharpEmu.Core/Runtime/SharpEmuRuntime.cs

@@ -543,7 +543,6 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
         {
             Path.Combine(ebootDirectory, "sce_module"),
             Path.Combine(ebootDirectory, "sce_modules"),
-            Path.Combine(ebootDirectory, "Media", "Modules"),
         }
         .Distinct(StringComparer.OrdinalIgnoreCase)
         .Where(Directory.Exists)
@@ -555,9 +554,7 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
         }
 
         var allModulePaths = moduleDirectories
-            .SelectMany(directory => Directory
+            .SelectMany(Directory.EnumerateFiles)
-                .EnumerateFiles(directory)
-                .OrderBy(path => path, StringComparer.OrdinalIgnoreCase))
             .Where(path =>
             {
                 var extension = Path.GetExtension(path);
@@ -565,6 +562,7 @@ public sealed class SharpEmuRuntime : ISharpEmuRuntime
                        string.Equals(extension, ".sprx", StringComparison.OrdinalIgnoreCase);
             })
             .Distinct(StringComparer.OrdinalIgnoreCase)
+            .OrderBy(path => path, StringComparer.OrdinalIgnoreCase)
             .ToArray();
 
         var modulePaths = allModulePaths

src/SharpEmu.Core/SharpEmu.Core.csproj

@@ -1,4 +1,4 @@
-<!--
+<!--
 Copyright (C) 2026 SharpEmu Emulator Project
 SPDX-License-Identifier: GPL-2.0-or-later
 -->
@@ -14,10 +14,6 @@ SPDX-License-Identifier: GPL-2.0-or-later
     <PackageReference Include="Iced" />
   </ItemGroup>
 
-  <PropertyGroup>
-    <NoWarn>$(NoWarn);1591</NoWarn>
-  </PropertyGroup>
-
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>

src/SharpEmu.Core/packages.lock.json

@@ -72,7 +72,6 @@
         "dependencies": {
           "SharpEmu.HLE": "[1.0.0, )",
           "Silk.NET.Vulkan": "[2.23.0, )",
-          "Silk.NET.Vulkan.Extensions.EXT": "[2.23.0, )",
           "Silk.NET.Vulkan.Extensions.KHR": "[2.23.0, )",
           "Silk.NET.Windowing": "[2.23.0, )"
         }
@@ -89,16 +88,6 @@
           "Silk.NET.Core": "2.23.0"
         }
       },
-      "Silk.NET.Vulkan.Extensions.EXT": {
-        "type": "CentralTransitive",
-        "requested": "[2.23.0, )",
-        "resolved": "2.23.0",
-        "contentHash": "+Oth189ksRiL6HvGCwIdnsYHawqrbO8y49u1H61z3wsfcHhQZeVDYe/wF5LD7fk3NcdgDvwFD3mLm1QWhdZySw==",
-        "dependencies": {
-          "Silk.NET.Core": "2.23.0",
-          "Silk.NET.Vulkan": "2.23.0"
-        }
-      },
       "Silk.NET.Vulkan.Extensions.KHR": {
         "type": "CentralTransitive",
         "requested": "[2.23.0, )",

src/SharpEmu.GUI/App.axaml

@@ -1,118 +0,0 @@
-<!--
-Copyright (C) 2026 SharpEmu Emulator Project
-SPDX-License-Identifier: GPL-2.0-or-later
--->
-
-<Application xmlns="https://github.com/avaloniaui"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             x:Class="SharpEmu.GUI.App"
-             RequestedThemeVariant="Dark">
-
-  <Application.Resources>
-    <Color x:Key="SystemAccentColor">#7C5CFC</Color>
-
-    <SolidColorBrush x:Key="BgBrush" Color="#0D1017" />
-    <SolidColorBrush x:Key="ChromeBrush" Color="#090C12" />
-    <SolidColorBrush x:Key="CardBrush" Color="#141924" />
-    <SolidColorBrush x:Key="CardBorderBrush" Color="#232B3A" />
-    <SolidColorBrush x:Key="ElevatedBrush" Color="#1B2230" />
-    <SolidColorBrush x:Key="TextBrush" Color="#E8ECF4" />
-    <SolidColorBrush x:Key="MutedBrush" Color="#8B94A7" />
-    <SolidColorBrush x:Key="FaintBrush" Color="#5A6478" />
-    <SolidColorBrush x:Key="AccentBrush" Color="#7C5CFC" />
-    <SolidColorBrush x:Key="AccentHoverBrush" Color="#8F73FF" />
-    <SolidColorBrush x:Key="DangerBrush" Color="#E5484D" />
-    <SolidColorBrush x:Key="DangerHoverBrush" Color="#F2555A" />
-    <SolidColorBrush x:Key="SuccessBrush" Color="#46C46B" />
-  </Application.Resources>
-
-  <Application.Styles>
-    <FluentTheme />
-
-    <Style Selector="Window">
-      <Setter Property="FontFamily" Value="Inter, Segoe UI, sans-serif" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-    </Style>
-
-    <Style Selector="Border.card">
-      <Setter Property="Background" Value="{StaticResource CardBrush}" />
-      <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
-      <Setter Property="BorderThickness" Value="1" />
-      <Setter Property="CornerRadius" Value="10" />
-      <Setter Property="Padding" Value="16" />
-    </Style>
-
-    <Style Selector="Border.pill">
-      <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
-      <Setter Property="CornerRadius" Value="999" />
-      <Setter Property="Padding" Value="10,3" />
-    </Style>
-
-    <Style Selector="TextBlock.sectionTitle">
-      <Setter Property="FontSize" Value="11" />
-      <Setter Property="FontWeight" Value="SemiBold" />
-      <Setter Property="LetterSpacing" Value="1.5" />
-      <Setter Property="Foreground" Value="{StaticResource MutedBrush}" />
-    </Style>
-
-    <Style Selector="TextBlock.fieldLabel">
-      <Setter Property="FontSize" Value="12" />
-      <Setter Property="Foreground" Value="{StaticResource MutedBrush}" />
-      <Setter Property="Margin" Value="0,0,0,6" />
-    </Style>
-
-    <Style Selector="Button.accent">
-      <Setter Property="Background" Value="{StaticResource AccentBrush}" />
-      <Setter Property="Foreground" Value="White" />
-      <Setter Property="FontWeight" Value="SemiBold" />
-      <Setter Property="Padding" Value="22,10" />
-      <Setter Property="CornerRadius" Value="8" />
-    </Style>
-    <Style Selector="Button.accent:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource AccentHoverBrush}" />
-      <Setter Property="Foreground" Value="White" />
-    </Style>
-
-    <Style Selector="Button.danger">
-      <Setter Property="Background" Value="{StaticResource DangerBrush}" />
-      <Setter Property="Foreground" Value="White" />
-      <Setter Property="FontWeight" Value="SemiBold" />
-      <Setter Property="Padding" Value="22,10" />
-      <Setter Property="CornerRadius" Value="8" />
-    </Style>
-    <Style Selector="Button.danger:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource DangerHoverBrush}" />
-      <Setter Property="Foreground" Value="White" />
-    </Style>
-
-    <Style Selector="Button.ghost">
-      <Setter Property="Background" Value="Transparent" />
-      <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
-      <Setter Property="BorderThickness" Value="1" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-      <Setter Property="Padding" Value="12,7" />
-      <Setter Property="CornerRadius" Value="8" />
-    </Style>
-    <Style Selector="Button.ghost:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-    </Style>
-
-    <Style Selector="ListBox.console">
-      <Setter Property="Background" Value="#0B0E14" />
-      <Setter Property="FontFamily" Value="Cascadia Mono, Consolas, Courier New, monospace" />
-      <Setter Property="FontSize" Value="12" />
-    </Style>
-    <Style Selector="ListBox.console ListBoxItem">
-      <Setter Property="Padding" Value="10,1" />
-      <Setter Property="MinHeight" Value="0" />
-    </Style>
-
-    <Style Selector="ListBox.library ListBoxItem">
-      <Setter Property="CornerRadius" Value="8" />
-      <Setter Property="Margin" Value="4,2" />
-      <Setter Property="Padding" Value="8,4" />
-    </Style>
-  </Application.Styles>
-
-</Application>

src/SharpEmu.GUI/App.axaml.cs

@@ -1,26 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using Avalonia;
-using Avalonia.Controls.ApplicationLifetimes;
-using Avalonia.Markup.Xaml;
-
-namespace SharpEmu.GUI;
-
-public partial class App : Application
-{
-    public override void Initialize()
-    {
-        AvaloniaXamlLoader.Load(this);
-    }
-
-    public override void OnFrameworkInitializationCompleted()
-    {
-        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
-        {
-            desktop.MainWindow = new MainWindow();
-        }
-
-        base.OnFrameworkInitializationCompleted();
-    }
-}

src/SharpEmu.GUI/EmulatorProcess.cs

@@ -1,645 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using System.ComponentModel;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-using System.Text;
-using Microsoft.Win32.SafeHandles;
-
-namespace SharpEmu.GUI;
-
-/// <summary>
-/// Launches the SharpEmu CLI as a child process with the same CET/CFG mitigation
-/// opt-outs the CLI would apply to its own relaunched child, while capturing
-/// stdout/stderr through pipes. The CLI's internal relaunch is suppressed via
-/// SHARPEMU_DISABLE_MITIGATION_RELAUNCH so output is not lost to a detached
-/// console. A kill-on-close job object ties the emulator's lifetime to the GUI.
-/// </summary>
-internal sealed class EmulatorProcess : IDisposable
-{
-    private const uint EXTENDED_STARTUPINFO_PRESENT = 0x00080000;
-    private const uint CREATE_NO_WINDOW = 0x08000000;
-    private const int STARTF_USESTDHANDLES = 0x00000100;
-    private const uint HANDLE_FLAG_INHERIT = 0x00000001;
-    private const uint INFINITE = 0xFFFFFFFF;
-    private const int PROC_THREAD_ATTRIBUTE_MITIGATION_POLICY = 0x00020007;
-    private const uint JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE = 0x00002000;
-    private const int JobObjectExtendedLimitInformation = 9;
-    private const ulong PROCESS_CREATION_MITIGATION_POLICY_CONTROL_FLOW_GUARD_ALWAYS_OFF = 0x00000002UL << 40;
-    private const ulong PROCESS_CREATION_MITIGATION_POLICY2_CET_USER_SHADOW_STACKS_ALWAYS_OFF = 0x00000002UL << 28;
-    private const ulong PROCESS_CREATION_MITIGATION_POLICY2_USER_CET_SET_CONTEXT_IP_VALIDATION_ALWAYS_OFF = 0x00000002UL << 32;
-    private const ulong PROCESS_CREATION_MITIGATION_POLICY2_XTENDED_CONTROL_FLOW_GUARD_ALWAYS_OFF = 0x00000002UL << 40;
-
-    private readonly object _sync = new();
-    private nint _processHandle;
-    private nint _jobHandle;
-    private Process? _fallbackProcess;
-    private bool _running;
-    private bool _disposed;
-
-    public event Action<string, bool>? OutputReceived;
-
-    public event Action<int>? Exited;
-
-    public bool IsRunning
-    {
-        get
-        {
-            lock (_sync)
-            {
-                return _running;
-            }
-        }
-    }
-
-    public void Start(string exePath, IReadOnlyList<string> arguments, string? workingDirectory)
-    {
-        lock (_sync)
-        {
-            ObjectDisposedException.ThrowIf(_disposed, this);
-            if (_running)
-            {
-                throw new InvalidOperationException("The emulator process is already running.");
-            }
-
-            if (OperatingSystem.IsWindows())
-            {
-                StartWindows(exePath, arguments, workingDirectory);
-            }
-            else
-            {
-                StartFallback(exePath, arguments, workingDirectory);
-            }
-
-            _running = true;
-        }
-    }
-
-    public void Stop()
-    {
-        lock (_sync)
-        {
-            if (!_running)
-            {
-                return;
-            }
-
-            if (_processHandle != 0)
-            {
-                _ = TerminateProcess(_processHandle, 1);
-            }
-
-            try
-            {
-                _fallbackProcess?.Kill(entireProcessTree: true);
-            }
-            catch (InvalidOperationException)
-            {
-                // Already exited.
-            }
-        }
-    }
-
-    public void Dispose()
-    {
-        lock (_sync)
-        {
-            if (_disposed)
-            {
-                return;
-            }
-
-            _disposed = true;
-        }
-
-        Stop();
-    }
-
-    private void StartWindows(string exePath, IReadOnlyList<string> arguments, string? workingDirectory)
-    {
-        // The CLI would otherwise relaunch itself into a mitigated child whose
-        // console output cannot flow through our pipes.
-        Environment.SetEnvironmentVariable("SHARPEMU_DISABLE_MITIGATION_RELAUNCH", "1");
-
-        var securityAttributes = new SECURITY_ATTRIBUTES
-        {
-            nLength = Marshal.SizeOf<SECURITY_ATTRIBUTES>(),
-            bInheritHandle = 1,
-        };
-
-        if (!CreatePipe(out var stdoutRead, out var stdoutWrite, ref securityAttributes, 0) ||
-            !CreatePipe(out var stderrRead, out var stderrWrite, ref securityAttributes, 0))
-        {
-            throw new Win32Exception(Marshal.GetLastWin32Error(), "Failed to create output pipes.");
-        }
-
-        _ = SetHandleInformation(stdoutRead, HANDLE_FLAG_INHERIT, 0);
-        _ = SetHandleInformation(stderrRead, HANDLE_FLAG_INHERIT, 0);
-
-        var startupInfoEx = new STARTUPINFOEX();
-        startupInfoEx.StartupInfo.cb = Marshal.SizeOf<STARTUPINFOEX>();
-        startupInfoEx.StartupInfo.dwFlags = STARTF_USESTDHANDLES;
-        startupInfoEx.StartupInfo.hStdOutput = stdoutWrite;
-        startupInfoEx.StartupInfo.hStdError = stderrWrite;
-
-        nint attributeList = 0;
-        nint mitigationPolicies = 0;
-        try
-        {
-            nuint attributeListSize = 0;
-            _ = InitializeProcThreadAttributeList(0, 1, 0, ref attributeListSize);
-            attributeList = Marshal.AllocHGlobal((nint)attributeListSize);
-            if (!InitializeProcThreadAttributeList(attributeList, 1, 0, ref attributeListSize))
-            {
-                throw new Win32Exception(Marshal.GetLastWin32Error(), "Failed to initialize the process attribute list.");
-            }
-
-            startupInfoEx.lpAttributeList = attributeList;
-
-            var policy1 = PROCESS_CREATION_MITIGATION_POLICY_CONTROL_FLOW_GUARD_ALWAYS_OFF;
-            var policy2 =
-                PROCESS_CREATION_MITIGATION_POLICY2_CET_USER_SHADOW_STACKS_ALWAYS_OFF |
-                PROCESS_CREATION_MITIGATION_POLICY2_USER_CET_SET_CONTEXT_IP_VALIDATION_ALWAYS_OFF |
-                PROCESS_CREATION_MITIGATION_POLICY2_XTENDED_CONTROL_FLOW_GUARD_ALWAYS_OFF;
-
-            mitigationPolicies = Marshal.AllocHGlobal(sizeof(ulong) * 2);
-            Marshal.WriteInt64(mitigationPolicies, unchecked((long)policy1));
-            Marshal.WriteInt64(nint.Add(mitigationPolicies, sizeof(long)), unchecked((long)policy2));
-
-            if (!UpdateProcThreadAttribute(
-                attributeList,
-                0,
-                PROC_THREAD_ATTRIBUTE_MITIGATION_POLICY,
-                mitigationPolicies,
-                (nuint)(sizeof(ulong) * 2),
-                0,
-                0))
-            {
-                throw new Win32Exception(Marshal.GetLastWin32Error(), "Failed to apply the mitigation policy.");
-            }
-
-            var currentDirectory = workingDirectory ?? Environment.CurrentDirectory;
-            var created = CreateProcessW(
-                exePath,
-                new StringBuilder(BuildCommandLine(exePath, arguments)),
-                0,
-                0,
-                true,
-                EXTENDED_STARTUPINFO_PRESENT | CREATE_NO_WINDOW,
-                0,
-                currentDirectory,
-                ref startupInfoEx,
-                out var processInfo);
-
-            if (!created)
-            {
-                // Some mitigation policy bits (e.g. XFG) are not supported on
-                // older Windows builds. Mirror the CLI's behavior and fall back
-                // to launching without the mitigation attribute list.
-                startupInfoEx.lpAttributeList = 0;
-                created = CreateProcessW(
-                    exePath,
-                    new StringBuilder(BuildCommandLine(exePath, arguments)),
-                    0,
-                    0,
-                    true,
-                    CREATE_NO_WINDOW,
-                    0,
-                    currentDirectory,
-                    ref startupInfoEx,
-                    out processInfo);
-            }
-
-            if (!created)
-            {
-                var error = Marshal.GetLastWin32Error();
-                throw new Win32Exception(error, $"Failed to start '{exePath}' (Win32 error {error}: {new Win32Exception(error).Message}).");
-            }
-
-            CloseHandle(processInfo.hThread);
-            _processHandle = processInfo.hProcess;
-
-            _jobHandle = CreateJobObjectW(0, null);
-            if (_jobHandle != 0 &&
-                (!TryEnableKillOnJobClose(_jobHandle) || !AssignProcessToJobObject(_jobHandle, processInfo.hProcess)))
-            {
-                CloseHandle(_jobHandle);
-                _jobHandle = 0;
-            }
-
-            StartReaderThread(stdoutRead, isError: false);
-            StartReaderThread(stderrRead, isError: true);
-            StartExitWatcherThread();
-        }
-        catch
-        {
-            CloseHandle(stdoutRead);
-            CloseHandle(stderrRead);
-            throw;
-        }
-        finally
-        {
-            // The child owns duplicated pipe write ends; closing ours lets the
-            // readers observe EOF when the child exits.
-            CloseHandle(stdoutWrite);
-            CloseHandle(stderrWrite);
-
-            if (attributeList != 0)
-            {
-                DeleteProcThreadAttributeList(attributeList);
-                Marshal.FreeHGlobal(attributeList);
-            }
-
-            if (mitigationPolicies != 0)
-            {
-                Marshal.FreeHGlobal(mitigationPolicies);
-            }
-        }
-    }
-
-    private void StartFallback(string exePath, IReadOnlyList<string> arguments, string? workingDirectory)
-    {
-        var startInfo = new ProcessStartInfo
-        {
-            FileName = exePath,
-            WorkingDirectory = workingDirectory ?? Environment.CurrentDirectory,
-            UseShellExecute = false,
-            CreateNoWindow = true,
-            RedirectStandardOutput = true,
-            RedirectStandardError = true,
-        };
-        foreach (var argument in arguments)
-        {
-            startInfo.ArgumentList.Add(argument);
-        }
-
-        var process = new Process { StartInfo = startInfo, EnableRaisingEvents = true };
-        process.OutputDataReceived += (_, e) =>
-        {
-            if (e.Data is not null)
-            {
-                OutputReceived?.Invoke(e.Data, false);
-            }
-        };
-        process.ErrorDataReceived += (_, e) =>
-        {
-            if (e.Data is not null)
-            {
-                OutputReceived?.Invoke(e.Data, true);
-            }
-        };
-        process.Exited += (_, _) =>
-        {
-            int exitCode;
-            try
-            {
-                exitCode = process.ExitCode;
-            }
-            catch (InvalidOperationException)
-            {
-                exitCode = -1;
-            }
-
-            OnExited(exitCode);
-        };
-
-        process.Start();
-        process.BeginOutputReadLine();
-        process.BeginErrorReadLine();
-        _fallbackProcess = process;
-    }
-
-    private void StartReaderThread(nint readHandle, bool isError)
-    {
-        var thread = new Thread(() =>
-        {
-            using var stream = new FileStream(new SafeFileHandle(readHandle, ownsHandle: true), FileAccess.Read);
-            using var reader = new StreamReader(stream, Encoding.UTF8);
-            try
-            {
-                while (reader.ReadLine() is { } line)
-                {
-                    OutputReceived?.Invoke(line, isError);
-                }
-            }
-            catch (IOException)
-            {
-                // Pipe broken on process teardown.
-            }
-        })
-        {
-            IsBackground = true,
-            Name = isError ? "SharpEmu stderr reader" : "SharpEmu stdout reader",
-        };
-        thread.Start();
-    }
-
-    private void StartExitWatcherThread()
-    {
-        var processHandle = _processHandle;
-        var thread = new Thread(() =>
-        {
-            _ = WaitForSingleObject(processHandle, INFINITE);
-            var exitCode = GetExitCodeProcess(processHandle, out var rawExitCode)
-                ? unchecked((int)rawExitCode)
-                : -1;
-            OnExited(exitCode);
-        })
-        {
-            IsBackground = true,
-            Name = "SharpEmu exit watcher",
-        };
-        thread.Start();
-    }
-
-    private void OnExited(int exitCode)
-    {
-        lock (_sync)
-        {
-            if (!_running)
-            {
-                return;
-            }
-
-            _running = false;
-            if (_processHandle != 0)
-            {
-                CloseHandle(_processHandle);
-                _processHandle = 0;
-            }
-
-            if (_jobHandle != 0)
-            {
-                CloseHandle(_jobHandle);
-                _jobHandle = 0;
-            }
-
-            _fallbackProcess?.Dispose();
-            _fallbackProcess = null;
-        }
-
-        Exited?.Invoke(exitCode);
-    }
-
-    private static bool TryEnableKillOnJobClose(nint jobHandle)
-    {
-        var extendedLimitInfo = new JOBOBJECT_EXTENDED_LIMIT_INFORMATION
-        {
-            BasicLimitInformation = new JOBOBJECT_BASIC_LIMIT_INFORMATION
-            {
-                LimitFlags = JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE,
-            },
-        };
-
-        var size = Marshal.SizeOf<JOBOBJECT_EXTENDED_LIMIT_INFORMATION>();
-        var memory = Marshal.AllocHGlobal(size);
-        try
-        {
-            Marshal.StructureToPtr(extendedLimitInfo, memory, false);
-            return SetInformationJobObject(
-                jobHandle,
-                JobObjectExtendedLimitInformation,
-                memory,
-                unchecked((uint)size));
-        }
-        finally
-        {
-            Marshal.FreeHGlobal(memory);
-        }
-    }
-
-    private static string BuildCommandLine(string processPath, IReadOnlyList<string> args)
-    {
-        var builder = new StringBuilder();
-        builder.Append(QuoteArgument(processPath));
-        for (var i = 0; i < args.Count; i++)
-        {
-            builder.Append(' ');
-            builder.Append(QuoteArgument(args[i]));
-        }
-
-        return builder.ToString();
-    }
-
-    private static string QuoteArgument(string argument)
-    {
-        if (argument.Length == 0)
-        {
-            return "\"\"";
-        }
-
-        var needsQuotes = false;
-        foreach (var c in argument)
-        {
-            if (char.IsWhiteSpace(c) || c == '"')
-            {
-                needsQuotes = true;
-                break;
-            }
-        }
-
-        if (!needsQuotes)
-        {
-            return argument;
-        }
-
-        var builder = new StringBuilder(argument.Length + 2);
-        builder.Append('"');
-
-        var backslashCount = 0;
-        foreach (var c in argument)
-        {
-            if (c == '\\')
-            {
-                backslashCount++;
-                continue;
-            }
-
-            if (c == '"')
-            {
-                builder.Append('\\', (backslashCount * 2) + 1);
-                builder.Append('"');
-                backslashCount = 0;
-                continue;
-            }
-
-            if (backslashCount > 0)
-            {
-                builder.Append('\\', backslashCount);
-                backslashCount = 0;
-            }
-
-            builder.Append(c);
-        }
-
-        if (backslashCount > 0)
-        {
-            builder.Append('\\', backslashCount * 2);
-        }
-
-        builder.Append('"');
-        return builder.ToString();
-    }
-
-    [StructLayout(LayoutKind.Sequential)]
-    private struct SECURITY_ATTRIBUTES
-    {
-        public int nLength;
-        public nint lpSecurityDescriptor;
-        public int bInheritHandle;
-    }
-
-    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
-    private struct STARTUPINFO
-    {
-        public int cb;
-        public nint lpReserved;
-        public nint lpDesktop;
-        public nint lpTitle;
-        public int dwX;
-        public int dwY;
-        public int dwXSize;
-        public int dwYSize;
-        public int dwXCountChars;
-        public int dwYCountChars;
-        public int dwFillAttribute;
-        public int dwFlags;
-        public short wShowWindow;
-        public short cbReserved2;
-        public nint lpReserved2;
-        public nint hStdInput;
-        public nint hStdOutput;
-        public nint hStdError;
-    }
-
-    [StructLayout(LayoutKind.Sequential)]
-    private struct STARTUPINFOEX
-    {
-        public STARTUPINFO StartupInfo;
-        public nint lpAttributeList;
-    }
-
-    [StructLayout(LayoutKind.Sequential)]
-    private struct PROCESS_INFORMATION
-    {
-        public nint hProcess;
-        public nint hThread;
-        public int dwProcessId;
-        public int dwThreadId;
-    }
-
-    [StructLayout(LayoutKind.Sequential)]
-    private struct JOBOBJECT_BASIC_LIMIT_INFORMATION
-    {
-        public long PerProcessUserTimeLimit;
-        public long PerJobUserTimeLimit;
-        public uint LimitFlags;
-        public nuint MinimumWorkingSetSize;
-        public nuint MaximumWorkingSetSize;
-        public uint ActiveProcessLimit;
-        public nint Affinity;
-        public uint PriorityClass;
-        public uint SchedulingClass;
-    }
-
-    [StructLayout(LayoutKind.Sequential)]
-    private struct IO_COUNTERS
-    {
-        public ulong ReadOperationCount;
-        public ulong WriteOperationCount;
-        public ulong OtherOperationCount;
-        public ulong ReadTransferCount;
-        public ulong WriteTransferCount;
-        public ulong OtherTransferCount;
-    }
-
-    [StructLayout(LayoutKind.Sequential)]
-    private struct JOBOBJECT_EXTENDED_LIMIT_INFORMATION
-    {
-        public JOBOBJECT_BASIC_LIMIT_INFORMATION BasicLimitInformation;
-        public IO_COUNTERS IoInfo;
-        public nuint ProcessMemoryLimit;
-        public nuint JobMemoryLimit;
-        public nuint PeakProcessMemoryUsed;
-        public nuint PeakJobMemoryUsed;
-    }
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool CreatePipe(
-        out nint hReadPipe,
-        out nint hWritePipe,
-        ref SECURITY_ATTRIBUTES lpPipeAttributes,
-        uint nSize);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool SetHandleInformation(nint hObject, uint dwMask, uint dwFlags);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool InitializeProcThreadAttributeList(
-        nint lpAttributeList,
-        int dwAttributeCount,
-        int dwFlags,
-        ref nuint lpSize);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool UpdateProcThreadAttribute(
-        nint lpAttributeList,
-        uint dwFlags,
-        nint attribute,
-        nint lpValue,
-        nuint cbSize,
-        nint lpPreviousValue,
-        nint lpReturnSize);
-
-    [DllImport("kernel32.dll")]
-    private static extern void DeleteProcThreadAttributeList(nint lpAttributeList);
-
-    [DllImport("kernel32.dll", EntryPoint = "CreateJobObjectW", SetLastError = true, CharSet = CharSet.Unicode)]
-    private static extern nint CreateJobObjectW(nint lpJobAttributes, string? lpName);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool SetInformationJobObject(
-        nint hJob,
-        int jobObjectInfoClass,
-        nint lpJobObjectInfo,
-        uint cbJobObjectInfoLength);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool AssignProcessToJobObject(nint hJob, nint hProcess);
-
-    [DllImport("kernel32.dll", EntryPoint = "CreateProcessW", SetLastError = true, CharSet = CharSet.Unicode)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool CreateProcessW(
-        string applicationName,
-        StringBuilder commandLine,
-        nint processAttributes,
-        nint threadAttributes,
-        [MarshalAs(UnmanagedType.Bool)] bool inheritHandles,
-        uint creationFlags,
-        nint environment,
-        string currentDirectory,
-        ref STARTUPINFOEX startupInfo,
-        out PROCESS_INFORMATION processInformation);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    private static extern uint WaitForSingleObject(nint handle, uint milliseconds);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool GetExitCodeProcess(nint process, out uint exitCode);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool TerminateProcess(nint process, uint exitCode);
-
-    [DllImport("kernel32.dll", SetLastError = true)]
-    [return: MarshalAs(UnmanagedType.Bool)]
-    private static extern bool CloseHandle(nint handle);
-}

src/SharpEmu.GUI/GameEntry.cs

@@ -1,22 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-namespace SharpEmu.GUI;
-
-public sealed record GameEntry(string Name, string? TitleId, string Path, long SizeBytes)
-{
-    public string Detail => TitleId is not null
-        ? $"{TitleId}  •  {FormatSize(SizeBytes)}"
-        : $"{FormatSize(SizeBytes)}  •  {Path}";
-
-    private static string FormatSize(long bytes)
-    {
-        return bytes switch
-        {
-            >= 1L << 30 => $"{bytes / (double)(1L << 30):0.0} GiB",
-            >= 1L << 20 => $"{bytes / (double)(1L << 20):0.0} MiB",
-            >= 1L << 10 => $"{bytes / (double)(1L << 10):0.0} KiB",
-            _ => $"{bytes} B",
-        };
-    }
-}

src/SharpEmu.GUI/GuiLauncher.cs

@@ -1,47 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using Avalonia;
-
-namespace SharpEmu.GUI;
-
-/// <summary>
-/// Entry point for the desktop frontend, hosted by the SharpEmu executable
-/// when it is started without command-line arguments.
-/// </summary>
-public static class GuiLauncher
-{
-    public static int Run()
-    {
-        try
-        {
-            BuildAvaloniaApp().StartWithClassicDesktopLifetime(Array.Empty<string>());
-            return 0;
-        }
-        catch (Exception ex)
-        {
-            WriteCrashLog(ex);
-            throw;
-        }
-    }
-
-    public static AppBuilder BuildAvaloniaApp()
-        => AppBuilder.Configure<App>()
-            .UsePlatformDetect()
-            .WithInterFont()
-            .LogToTrace();
-
-    private static void WriteCrashLog(Exception ex)
-    {
-        try
-        {
-            File.AppendAllText(
-                Path.Combine(AppContext.BaseDirectory, "gui-crash.log"),
-                $"[{DateTime.Now:yyyy-MM-dd HH:mm:ss}] {ex}{Environment.NewLine}{Environment.NewLine}");
-        }
-        catch (Exception)
-        {
-            // Crash logging is best-effort.
-        }
-    }
-}

src/SharpEmu.GUI/GuiSettings.cs

@@ -1,64 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using System.Text.Json;
-
-namespace SharpEmu.GUI;
-
-public sealed class GuiSettings
-{
-    private static readonly JsonSerializerOptions SerializerOptions = new()
-    {
-        WriteIndented = true,
-    };
-
-    public List<string> GameFolders { get; set; } = new();
-
-    public string LogLevel { get; set; } = "Info";
-
-    public int ImportTraceLimit { get; set; }
-
-    public bool StrictDynlibResolution { get; set; }
-
-    public string? EmulatorPath { get; set; }
-
-    // The emulator is portable and keeps its data next to the executable;
-    // the GUI follows the same convention.
-    public static string SettingsPath => Path.Combine(AppContext.BaseDirectory, "gui-settings.json");
-
-    public static GuiSettings Load()
-    {
-        try
-        {
-            if (File.Exists(SettingsPath))
-            {
-                var json = File.ReadAllText(SettingsPath);
-                return JsonSerializer.Deserialize<GuiSettings>(json, SerializerOptions) ?? new GuiSettings();
-            }
-        }
-        catch (Exception)
-        {
-            // Corrupt or unreadable settings fall back to defaults.
-        }
-
-        return new GuiSettings();
-    }
-
-    public void Save()
-    {
-        try
-        {
-            var directory = Path.GetDirectoryName(SettingsPath);
-            if (!string.IsNullOrEmpty(directory))
-            {
-                Directory.CreateDirectory(directory);
-            }
-
-            File.WriteAllText(SettingsPath, JsonSerializer.Serialize(this, SerializerOptions));
-        }
-        catch (Exception)
-        {
-            // Settings persistence is best-effort.
-        }
-    }
-}

src/SharpEmu.GUI/LogLine.cs

@@ -1,8 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using Avalonia.Media;
-
-namespace SharpEmu.GUI;
-
-public sealed record LogLine(string Text, IBrush Brush);

src/SharpEmu.GUI/MainWindow.axaml

@@ -1,157 +0,0 @@
-<!--
-Copyright (C) 2026 SharpEmu Emulator Project
-SPDX-License-Identifier: GPL-2.0-or-later
--->
-
-<Window xmlns="https://github.com/avaloniaui"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        x:Class="SharpEmu.GUI.MainWindow"
-        Title="SharpEmu"
-        Width="1280" Height="800"
-        MinWidth="980" MinHeight="620"
-        WindowStartupLocation="CenterScreen"
-        Background="{StaticResource BgBrush}"
-        ExtendClientAreaToDecorationsHint="True"
-        ExtendClientAreaChromeHints="PreferSystemChrome"
-        ExtendClientAreaTitleBarHeightHint="44"
-        Icon="avares://SharpEmu.GUI/Assets/SharpEmu.ico">
-
-  <Grid RowDefinitions="44,*,32">
-
-    <!-- Title bar -->
-    <Grid x:Name="TitleBar" Grid.Row="0" Background="{StaticResource ChromeBrush}">
-      <StackPanel Orientation="Horizontal" Spacing="10" Margin="16,0" VerticalAlignment="Center">
-        <Image Source="avares://SharpEmu.GUI/Assets/logo.png" Width="20" Height="20" />
-        <TextBlock Text="SharpEmu" FontSize="14" FontWeight="SemiBold" VerticalAlignment="Center" />
-        <Border Classes="pill">
-          <TextBlock x:Name="VersionText" Text="v0.0.1" FontSize="11" Foreground="{StaticResource MutedBrush}" />
-        </Border>
-      </StackPanel>
-    </Grid>
-
-    <!-- Main content -->
-    <Grid Grid.Row="1" Margin="14" ColumnDefinitions="360,14,*">
-
-      <!-- Game library -->
-      <Border Grid.Column="0" Classes="card" Padding="0">
-        <Grid RowDefinitions="Auto,Auto,*,Auto">
-          <Grid Grid.Row="0" ColumnDefinitions="*,Auto" Margin="16,16,16,10">
-            <TextBlock Classes="sectionTitle" Text="GAME LIBRARY" VerticalAlignment="Center" />
-            <Border Grid.Column="1" Classes="pill">
-              <TextBlock x:Name="GameCountText" Text="0" FontSize="11" Foreground="{StaticResource MutedBrush}" />
-            </Border>
-          </Grid>
-
-          <TextBox Grid.Row="1" x:Name="SearchBox" Watermark="Search games…" Margin="12,0,12,8" CornerRadius="8" />
-
-          <ListBox Grid.Row="2" x:Name="GameList" Classes="library" Background="Transparent" Margin="8,0">
-            <ListBox.ItemTemplate>
-              <DataTemplate>
-                <StackPanel Margin="4,4" Spacing="2">
-                  <TextBlock Text="{Binding Name}" FontSize="14" FontWeight="SemiBold" TextTrimming="CharacterEllipsis" />
-                  <TextBlock Text="{Binding Detail}" FontSize="11" Foreground="{StaticResource MutedBrush}" TextTrimming="CharacterEllipsis" />
-                </StackPanel>
-              </DataTemplate>
-            </ListBox.ItemTemplate>
-          </ListBox>
-
-          <StackPanel Grid.Row="3" Orientation="Horizontal" Spacing="8" Margin="16,12,16,16">
-            <Button x:Name="AddFolderButton" Classes="ghost" Content="＋ Add folder" />
-            <Button x:Name="RescanButton" Classes="ghost" Content="⟳ Rescan" />
-            <Button x:Name="OpenFileButton" Classes="ghost" Content="Open file…" />
-          </StackPanel>
-        </Grid>
-      </Border>
-
-      <!-- Right column -->
-      <Grid Grid.Column="2" RowDefinitions="Auto,12,Auto,12,*">
-
-        <!-- Selected game / launch -->
-        <Border Grid.Row="0" Classes="card">
-          <Grid ColumnDefinitions="*,Auto">
-            <StackPanel Grid.Column="0" Spacing="6" VerticalAlignment="Center">
-              <TextBlock x:Name="SelectedGameTitle" Text="No game selected" FontSize="20" FontWeight="Bold" TextTrimming="CharacterEllipsis" />
-              <TextBlock x:Name="SelectedGamePath" Text="Pick a game from the library, or open an eboot.bin directly."
-                         FontSize="12" Foreground="{StaticResource MutedBrush}" TextTrimming="CharacterEllipsis" />
-              <StackPanel Orientation="Horizontal" Spacing="8">
-                <Ellipse x:Name="StatusDot" Width="9" Height="9" Fill="{StaticResource FaintBrush}" VerticalAlignment="Center" />
-                <TextBlock x:Name="StatusText" Text="Idle" FontSize="12" Foreground="{StaticResource MutedBrush}" VerticalAlignment="Center" />
-              </StackPanel>
-            </StackPanel>
-            <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="10" VerticalAlignment="Center" Margin="16,0,0,0">
-              <Button x:Name="LaunchButton" Classes="accent" Content="▶  Launch" IsEnabled="False" />
-              <Button x:Name="StopButton" Classes="danger" Content="■  Stop" IsEnabled="False" />
-            </StackPanel>
-          </Grid>
-        </Border>
-
-        <!-- Launch options -->
-        <Border Grid.Row="2" Classes="card">
-          <StackPanel Spacing="12">
-            <TextBlock Classes="sectionTitle" Text="LAUNCH OPTIONS" />
-            <WrapPanel>
-              <StackPanel Margin="0,0,24,0">
-                <TextBlock Classes="fieldLabel" Text="CPU engine" />
-                <ComboBox x:Name="CpuEngineBox" Width="150" SelectedIndex="0" CornerRadius="8">
-                  <ComboBoxItem Content="Native" />
-                </ComboBox>
-              </StackPanel>
-              <StackPanel Margin="0,0,24,0">
-                <TextBlock Classes="fieldLabel" Text="Log level" />
-                <ComboBox x:Name="LogLevelBox" Width="150" SelectedIndex="2" CornerRadius="8">
-                  <ComboBoxItem Content="Trace" />
-                  <ComboBoxItem Content="Debug" />
-                  <ComboBoxItem Content="Info" />
-                  <ComboBoxItem Content="Warning" />
-                  <ComboBoxItem Content="Error" />
-                  <ComboBoxItem Content="Critical" />
-                </ComboBox>
-              </StackPanel>
-              <StackPanel Margin="0,0,24,0">
-                <TextBlock Classes="fieldLabel" Text="Import trace limit (0 = off)" />
-                <NumericUpDown x:Name="TraceImportsBox" Width="170" Minimum="0" Maximum="4096" Increment="16"
-                               Value="0" FormatString="0" CornerRadius="8" />
-              </StackPanel>
-              <StackPanel>
-                <TextBlock Classes="fieldLabel" Text="Strict dynlib resolution" />
-                <ToggleSwitch x:Name="StrictToggle" OnContent="On" OffContent="Off" />
-              </StackPanel>
-            </WrapPanel>
-          </StackPanel>
-        </Border>
-
-        <!-- Console -->
-        <Border Grid.Row="4" Classes="card" Padding="0">
-          <Grid RowDefinitions="Auto,*">
-            <Grid Grid.Row="0" ColumnDefinitions="*,Auto,Auto,Auto" Margin="16,14,16,10">
-              <TextBlock Classes="sectionTitle" Text="CONSOLE" VerticalAlignment="Center" />
-              <CheckBox Grid.Column="1" x:Name="AutoScrollCheck" Content="Auto-scroll" IsChecked="True"
-                        FontSize="12" Margin="0,0,12,0" />
-              <Button Grid.Column="2" x:Name="CopyLogButton" Classes="ghost" Content="Copy" FontSize="12"
-                      Padding="10,4" Margin="0,0,8,0" />
-              <Button Grid.Column="3" x:Name="ClearLogButton" Classes="ghost" Content="Clear" FontSize="12"
-                      Padding="10,4" />
-            </Grid>
-            <ListBox Grid.Row="1" x:Name="ConsoleList" Classes="console" BorderThickness="0,1,0,0"
-                     BorderBrush="{StaticResource CardBorderBrush}" CornerRadius="0,0,10,10">
-              <ListBox.ItemTemplate>
-                <DataTemplate>
-                  <TextBlock Text="{Binding Text}" Foreground="{Binding Brush}" TextWrapping="NoWrap" />
-                </DataTemplate>
-              </ListBox.ItemTemplate>
-            </ListBox>
-          </Grid>
-        </Border>
-      </Grid>
-    </Grid>
-
-    <!-- Status bar -->
-    <Grid Grid.Row="2" Background="{StaticResource ChromeBrush}" ColumnDefinitions="*,Auto">
-      <TextBlock x:Name="EmulatorPathText" Grid.Column="0" Text="Emulator: locating…" FontSize="11"
-                 Foreground="{StaticResource FaintBrush}" VerticalAlignment="Center" Margin="16,0"
-                 TextTrimming="CharacterEllipsis" />
-      <TextBlock x:Name="StatusBarRight" Grid.Column="1" Text="" FontSize="11"
-                 Foreground="{StaticResource FaintBrush}" VerticalAlignment="Center" Margin="16,0" />
-    </Grid>
-  </Grid>
-</Window>

src/SharpEmu.GUI/MainWindow.axaml.cs

@@ -1,609 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using System.Collections.Concurrent;
-using System.Collections.ObjectModel;
-using System.Reflection;
-using System.Text.Json;
-using Avalonia.Controls;
-using Avalonia.Input;
-using Avalonia.Media;
-using Avalonia.Platform.Storage;
-using Avalonia.Threading;
-
-namespace SharpEmu.GUI;
-
-public partial class MainWindow : Window
-{
-    private const int MaxConsoleLines = 4000;
-
-    private static readonly IBrush DefaultLineBrush = new SolidColorBrush(Color.Parse("#C7CFDE"));
-    private static readonly IBrush DimLineBrush = new SolidColorBrush(Color.Parse("#6B7488"));
-    private static readonly IBrush InfoLineBrush = new SolidColorBrush(Color.Parse("#6FA8FF"));
-    private static readonly IBrush WarningLineBrush = new SolidColorBrush(Color.Parse("#E8B341"));
-    private static readonly IBrush ErrorLineBrush = new SolidColorBrush(Color.Parse("#F2777C"));
-    private static readonly IBrush SuccessLineBrush = new SolidColorBrush(Color.Parse("#63D489"));
-
-    private readonly List<GameEntry> _allGames = new();
-    private readonly ObservableCollection<GameEntry> _visibleGames = new();
-    private readonly ObservableCollection<LogLine> _consoleLines = new();
-    private readonly ConcurrentQueue<(string Line, bool IsError)> _pendingLines = new();
-    private readonly DispatcherTimer _consoleFlushTimer;
-
-    private GuiSettings _settings = new();
-    private EmulatorProcess? _emulator;
-    private string? _emulatorExePath;
-    private bool _isRunning;
-    private int _autoScrollTicks;
-
-    public MainWindow()
-    {
-        InitializeComponent();
-
-        GameList.ItemsSource = _visibleGames;
-        ConsoleList.ItemsSource = _consoleLines;
-
-        _consoleFlushTimer = new DispatcherTimer
-        {
-            Interval = TimeSpan.FromMilliseconds(80),
-        };
-        _consoleFlushTimer.Tick += (_, _) =>
-        {
-            FlushPendingConsoleLines();
-            MaybeAutoScroll();
-        };
-        _consoleFlushTimer.Start();
-
-        TitleBar.PointerPressed += OnTitleBarPointerPressed;
-        GameList.SelectionChanged += (_, _) => UpdateSelectedGame();
-        GameList.DoubleTapped += (_, _) => LaunchSelected();
-        SearchBox.TextChanged += (_, _) => RefreshVisibleGames();
-        AddFolderButton.Click += async (_, _) => await AddFolderAsync();
-        RescanButton.Click += async (_, _) => await RescanLibraryAsync();
-        OpenFileButton.Click += async (_, _) => await OpenFileAsync();
-        LaunchButton.Click += (_, _) => LaunchSelected();
-        StopButton.Click += (_, _) => _emulator?.Stop();
-        ClearLogButton.Click += (_, _) => _consoleLines.Clear();
-        CopyLogButton.Click += async (_, _) => await CopyConsoleAsync();
-
-        Opened += async (_, _) => await OnOpenedAsync();
-        Closing += (_, _) => OnWindowClosing();
-    }
-
-    private async Task OnOpenedAsync()
-    {
-        var version = Assembly.GetExecutingAssembly().GetName().Version;
-        if (version is not null)
-        {
-            VersionText.Text = $"v{version.ToString(3)}";
-        }
-
-        _settings = GuiSettings.Load();
-        ApplySettingsToControls();
-        LocateEmulator();
-        await RescanLibraryAsync();
-    }
-
-    private void OnWindowClosing()
-    {
-        ReadControlsIntoSettings();
-        _settings.Save();
-        _consoleFlushTimer.Stop();
-        _emulator?.Dispose();
-    }
-
-    private void OnTitleBarPointerPressed(object? sender, PointerPressedEventArgs e)
-    {
-        if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
-        {
-            BeginMoveDrag(e);
-        }
-    }
-
-    // ---- Settings <-> controls ----
-
-    private void ApplySettingsToControls()
-    {
-        LogLevelBox.SelectedIndex = _settings.LogLevel.ToLowerInvariant() switch
-        {
-            "trace" => 0,
-            "debug" => 1,
-            "info" => 2,
-            "warning" or "warn" => 3,
-            "error" => 4,
-            "critical" or "fatal" => 5,
-            _ => 2,
-        };
-        TraceImportsBox.Value = Math.Clamp(_settings.ImportTraceLimit, 0, 4096);
-        StrictToggle.IsChecked = _settings.StrictDynlibResolution;
-    }
-
-    private void ReadControlsIntoSettings()
-    {
-        _settings.LogLevel = SelectedLogLevel();
-        _settings.ImportTraceLimit = (int)(TraceImportsBox.Value ?? 0);
-        _settings.StrictDynlibResolution = StrictToggle.IsChecked == true;
-    }
-
-    private string SelectedLogLevel()
-    {
-        return LogLevelBox.SelectedIndex switch
-        {
-            0 => "Trace",
-            1 => "Debug",
-            2 => "Info",
-            3 => "Warning",
-            4 => "Error",
-            5 => "Critical",
-            _ => "Info",
-        };
-    }
-
-    // ---- Emulator discovery ----
-
-    private void LocateEmulator()
-    {
-        var exeName = OperatingSystem.IsWindows() ? "SharpEmu.exe" : "SharpEmu";
-        var baseDirectory = AppContext.BaseDirectory;
-        var candidates = new List<string>();
-        if (!string.IsNullOrWhiteSpace(_settings.EmulatorPath))
-        {
-            candidates.Add(_settings.EmulatorPath);
-        }
-
-        // The GUI and the CLI are the same executable: with arguments it runs
-        // the emulator, so the preferred child process is this process itself.
-        if (Environment.ProcessPath is { } selfPath &&
-            Path.GetFileNameWithoutExtension(selfPath).Equals("SharpEmu", StringComparison.OrdinalIgnoreCase))
-        {
-            candidates.Add(selfPath);
-        }
-
-        candidates.Add(Path.Combine(baseDirectory, exeName));
-        candidates.Add(Path.Combine(baseDirectory, "win-x64", exeName));
-        candidates.Add(Path.Combine(baseDirectory, "..", exeName));
-
-        _emulatorExePath = candidates.FirstOrDefault(File.Exists) is { } found
-            ? Path.GetFullPath(found)
-            : null;
-
-        EmulatorPathText.Text = _emulatorExePath is not null
-            ? $"Emulator: {_emulatorExePath}"
-            : "Emulator: SharpEmu executable not found — build SharpEmu.CLI first.";
-    }
-
-    // ---- Game library ----
-
-    private async Task AddFolderAsync()
-    {
-        var folders = await StorageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions
-        {
-            Title = "Choose a folder containing games",
-            AllowMultiple = false,
-        });
-
-        var path = folders.FirstOrDefault()?.TryGetLocalPath();
-        if (string.IsNullOrEmpty(path))
-        {
-            return;
-        }
-
-        if (!_settings.GameFolders.Contains(path, StringComparer.OrdinalIgnoreCase))
-        {
-            _settings.GameFolders.Add(path);
-            _settings.Save();
-        }
-
-        await RescanLibraryAsync();
-    }
-
-    private async Task RescanLibraryAsync()
-    {
-        var folders = _settings.GameFolders.ToArray();
-        StatusBarRight.Text = "Scanning library…";
-
-        var games = await Task.Run(() => ScanFolders(folders));
-
-        _allGames.Clear();
-        _allGames.AddRange(games);
-        RefreshVisibleGames();
-        StatusBarRight.Text = folders.Length == 0
-            ? "Add a game folder to populate the library."
-            : $"Library scanned: {games.Count} game(s) in {folders.Length} folder(s).";
-    }
-
-    private static List<GameEntry> ScanFolders(IReadOnlyList<string> folders)
-    {
-        var games = new List<GameEntry>();
-        var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
-        var enumeration = new EnumerationOptions
-        {
-            IgnoreInaccessible = true,
-            RecurseSubdirectories = true,
-            MaxRecursionDepth = 8,
-        };
-
-        foreach (var folder in folders)
-        {
-            if (!Directory.Exists(folder))
-            {
-                continue;
-            }
-
-            try
-            {
-                foreach (var file in Directory.EnumerateFiles(folder, "eboot.bin", enumeration))
-                {
-                    var fullPath = Path.GetFullPath(file);
-                    if (!seen.Add(fullPath))
-                    {
-                        continue;
-                    }
-
-                    long size = 0;
-                    try
-                    {
-                        size = new FileInfo(fullPath).Length;
-                    }
-                    catch (IOException)
-                    {
-                    }
-
-                    var (title, titleId) = TryReadParamJson(fullPath);
-                    games.Add(new GameEntry(title ?? GameNameFor(fullPath), titleId, fullPath, size));
-                }
-            }
-            catch (Exception)
-            {
-                // Skip folders that fail to enumerate.
-            }
-        }
-
-        games.Sort((a, b) => string.Compare(a.Name, b.Name, StringComparison.OrdinalIgnoreCase));
-        return games;
-    }
-
-    /// <summary>
-    /// Reads the game title and title id from sce_sys/param.json next to the
-    /// executable, when present.
-    /// </summary>
-    private static (string? Title, string? TitleId) TryReadParamJson(string ebootPath)
-    {
-        try
-        {
-            var directory = Path.GetDirectoryName(ebootPath);
-            if (directory is null)
-            {
-                return (null, null);
-            }
-
-            var paramPath = Path.Combine(directory, "sce_sys", "param.json");
-            if (!File.Exists(paramPath))
-            {
-                return (null, null);
-            }
-
-            // ReadAllText handles a UTF-8 BOM, which JsonDocument rejects in
-            // raw bytes.
-            using var document = JsonDocument.Parse(File.ReadAllText(paramPath));
-            var root = document.RootElement;
-
-            string? titleId = null;
-            if (root.TryGetProperty("titleId", out var idElement) && idElement.ValueKind == JsonValueKind.String)
-            {
-                titleId = idElement.GetString();
-            }
-
-            string? title = null;
-            if (root.TryGetProperty("localizedParameters", out var localized) &&
-                localized.ValueKind == JsonValueKind.Object)
-            {
-                if (localized.TryGetProperty("defaultLanguage", out var language) &&
-                    language.ValueKind == JsonValueKind.String &&
-                    localized.TryGetProperty(language.GetString()!, out var defaultBlock) &&
-                    defaultBlock.ValueKind == JsonValueKind.Object &&
-                    defaultBlock.TryGetProperty("titleName", out var titleName) &&
-                    titleName.ValueKind == JsonValueKind.String)
-                {
-                    title = titleName.GetString();
-                }
-                else
-                {
-                    foreach (var property in localized.EnumerateObject())
-                    {
-                        if (property.Value.ValueKind == JsonValueKind.Object &&
-                            property.Value.TryGetProperty("titleName", out var anyTitleName) &&
-                            anyTitleName.ValueKind == JsonValueKind.String)
-                        {
-                            title = anyTitleName.GetString();
-                            break;
-                        }
-                    }
-                }
-            }
-
-            return (
-                string.IsNullOrWhiteSpace(title) ? null : title,
-                string.IsNullOrWhiteSpace(titleId) ? null : titleId);
-        }
-        catch (Exception)
-        {
-            return (null, null);
-        }
-    }
-
-    private static string GameNameFor(string ebootPath)
-    {
-        var directory = Path.GetDirectoryName(ebootPath);
-        var name = directory is not null ? Path.GetFileName(directory) : null;
-        return string.IsNullOrEmpty(name) ? Path.GetFileName(ebootPath) : name;
-    }
-
-    private void RefreshVisibleGames()
-    {
-        var query = SearchBox.Text?.Trim() ?? string.Empty;
-        var selected = GameList.SelectedItem as GameEntry;
-
-        _visibleGames.Clear();
-        foreach (var game in _allGames)
-        {
-            if (query.Length == 0 ||
-                game.Name.Contains(query, StringComparison.OrdinalIgnoreCase) ||
-                game.Path.Contains(query, StringComparison.OrdinalIgnoreCase))
-            {
-                _visibleGames.Add(game);
-            }
-        }
-
-        GameCountText.Text = _visibleGames.Count.ToString();
-        if (selected is not null && _visibleGames.Contains(selected))
-        {
-            GameList.SelectedItem = selected;
-        }
-
-        UpdateSelectedGame();
-    }
-
-    private void UpdateSelectedGame()
-    {
-        if (GameList.SelectedItem is GameEntry game)
-        {
-            SelectedGameTitle.Text = game.Name;
-            SelectedGamePath.Text = game.Path;
-        }
-        else
-        {
-            SelectedGameTitle.Text = "No game selected";
-            SelectedGamePath.Text = "Pick a game from the library, or open an eboot.bin directly.";
-        }
-
-        UpdateRunButtons();
-    }
-
-    // ---- Launching ----
-
-    private async Task OpenFileAsync()
-    {
-        var files = await StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
-        {
-            Title = "Open an executable to launch",
-            AllowMultiple = false,
-            FileTypeFilter = new[]
-            {
-                new FilePickerFileType("PS executables") { Patterns = new[] { "eboot.bin", "*.bin", "*.self", "*.elf" } },
-                FilePickerFileTypes.All,
-            },
-        });
-
-        var path = files.FirstOrDefault()?.TryGetLocalPath();
-        if (!string.IsNullOrEmpty(path))
-        {
-            Launch(path, Path.GetFileName(path));
-        }
-    }
-
-    private void LaunchSelected()
-    {
-        if (GameList.SelectedItem is GameEntry game)
-        {
-            Launch(game.Path, game.Name);
-        }
-    }
-
-    private void Launch(string ebootPath, string displayName)
-    {
-        if (_isRunning)
-        {
-            return;
-        }
-
-        if (_emulatorExePath is null)
-        {
-            LocateEmulator();
-            if (_emulatorExePath is null)
-            {
-                AppendConsoleLine("SharpEmu executable not found. Build the SharpEmu.CLI project first (dotnet build).", ErrorLineBrush);
-                return;
-            }
-        }
-
-        ReadControlsIntoSettings();
-        _settings.Save();
-
-        var arguments = new List<string>
-        {
-            "--cpu-engine=native",
-            $"--log-level={_settings.LogLevel.ToLowerInvariant()}",
-        };
-        if (_settings.StrictDynlibResolution)
-        {
-            arguments.Add("--strict");
-        }
-
-        if (_settings.ImportTraceLimit > 0)
-        {
-            arguments.Add($"--trace-imports={_settings.ImportTraceLimit}");
-        }
-
-        arguments.Add(ebootPath);
-
-        _consoleLines.Clear();
-        AppendConsoleLine($"$ SharpEmu {string.Join(' ', arguments)}", DimLineBrush);
-
-        var emulator = new EmulatorProcess();
-        emulator.OutputReceived += (line, isError) => _pendingLines.Enqueue((line, isError));
-        emulator.Exited += code => Dispatcher.UIThread.Post(() => OnEmulatorExited(code));
-
-        try
-        {
-            emulator.Start(_emulatorExePath, arguments, Path.GetDirectoryName(ebootPath));
-        }
-        catch (Exception ex)
-        {
-            emulator.Dispose();
-            AppendConsoleLine($"Failed to start the emulator: {ex.Message}", ErrorLineBrush);
-            return;
-        }
-
-        _emulator = emulator;
-        _isRunning = true;
-        StatusDot.Fill = SuccessLineBrush;
-        StatusText.Text = $"Running — {displayName}";
-        StatusBarRight.Text = $"Running {displayName}";
-        UpdateRunButtons();
-    }
-
-    private void OnEmulatorExited(int exitCode)
-    {
-        FlushPendingConsoleLines();
-        _isRunning = false;
-        _emulator?.Dispose();
-        _emulator = null;
-
-        var meaning = exitCode switch
-        {
-            0 => "OK",
-            1 => "invalid arguments",
-            2 => "eboot not found",
-            3 => "runtime exception",
-            4 => "emulation error",
-            _ => "unknown",
-        };
-        var brush = exitCode == 0 ? SuccessLineBrush : ErrorLineBrush;
-        AppendConsoleLine($"Process exited with code {exitCode} ({meaning}).", brush);
-
-        StatusDot.Fill = exitCode == 0 ? (IBrush)SuccessLineBrush : ErrorLineBrush;
-        StatusText.Text = $"Exited with code {exitCode} ({meaning})";
-        StatusBarRight.Text = "Idle";
-        UpdateRunButtons();
-    }
-
-    private void UpdateRunButtons()
-    {
-        LaunchButton.IsEnabled = !_isRunning && GameList.SelectedItem is GameEntry;
-        StopButton.IsEnabled = _isRunning;
-        OpenFileButton.IsEnabled = !_isRunning;
-    }
-
-    // ---- Console ----
-
-    private void FlushPendingConsoleLines()
-    {
-        if (_pendingLines.IsEmpty)
-        {
-            return;
-        }
-
-        var incoming = new List<LogLine>();
-        while (_pendingLines.TryDequeue(out var pending))
-        {
-            incoming.Add(new LogLine(pending.Line, BrushForLine(pending.Line)));
-        }
-
-        if (incoming.Count >= MaxConsoleLines)
-        {
-            // A burst larger than the cap: keep only the newest lines.
-            _consoleLines.Clear();
-            for (var i = incoming.Count - MaxConsoleLines; i < incoming.Count; i++)
-            {
-                _consoleLines.Add(incoming[i]);
-            }
-        }
-        else
-        {
-            var overflow = _consoleLines.Count + incoming.Count - MaxConsoleLines;
-            for (var i = 0; i < overflow; i++)
-            {
-                _consoleLines.RemoveAt(0);
-            }
-
-            foreach (var line in incoming)
-            {
-                _consoleLines.Add(line);
-            }
-        }
-
-        _autoScrollTicks = 3;
-    }
-
-    private void AppendConsoleLine(string text, IBrush brush)
-    {
-        _consoleLines.Add(new LogLine(text, brush));
-        _autoScrollTicks = 3;
-        MaybeAutoScroll();
-    }
-
-    private void MaybeAutoScroll()
-    {
-        // ScrollToEnd is applied over a few flush-timer ticks because the
-        // virtualizing panel re-estimates its extent after large batches, and
-        // a single scroll can land short of the true end. A synchronous
-        // ScrollIntoView during rapid adds is avoided entirely — it can crash
-        // the panel with "Invalid Arrange rectangle".
-        if (_autoScrollTicks <= 0 || AutoScrollCheck.IsChecked != true)
-        {
-            return;
-        }
-
-        _autoScrollTicks--;
-        (ConsoleList.Scroll as ScrollViewer)?.ScrollToEnd();
-    }
-
-    private static IBrush BrushForLine(string line)
-    {
-        if (line.Contains("[ERROR]", StringComparison.Ordinal) ||
-            line.Contains("[CRITICAL]", StringComparison.Ordinal))
-        {
-            return ErrorLineBrush;
-        }
-
-        if (line.Contains("[WARNING]", StringComparison.Ordinal))
-        {
-            return WarningLineBrush;
-        }
-
-        if (line.Contains("[INFO]", StringComparison.Ordinal))
-        {
-            return InfoLineBrush;
-        }
-
-        if (line.Contains("[DEBUG]", StringComparison.Ordinal) ||
-            line.Contains("[TRACE]", StringComparison.Ordinal))
-        {
-            return DimLineBrush;
-        }
-
-        return DefaultLineBrush;
-    }
-
-    private async Task CopyConsoleAsync()
-    {
-        if (_consoleLines.Count == 0 || Clipboard is null)
-        {
-            return;
-        }
-
-        var text = string.Join(Environment.NewLine, _consoleLines.Select(line => line.Text));
-        await Clipboard.SetTextAsync(text);
-    }
-}

src/SharpEmu.GUI/SharpEmu.GUI.csproj

@@ -1,28 +0,0 @@
-<!--
-Copyright (C) 2026 SharpEmu Emulator Project
-SPDX-License-Identifier: GPL-2.0-or-later
--->
-
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <!-- Class library: the GUI is hosted by SharpEmu.CLI, which opens it when
-       the executable is started without arguments. -->
-  <PropertyGroup>
-    <GenerateDocumentationFile>false</GenerateDocumentationFile>
-    <Version>0.0.1</Version>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Avalonia" />
-    <PackageReference Include="Avalonia.Desktop" />
-    <PackageReference Include="Avalonia.Fonts.Inter" />
-    <PackageReference Include="Avalonia.Themes.Fluent" />
-    <PackageReference Include="Tmds.DBus.Protocol" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <AvaloniaResource Include="..\..\assets\images\logo.png" Link="Assets/logo.png" />
-    <AvaloniaResource Include="..\..\assets\images\SharpEmu.ico" Link="Assets/SharpEmu.ico" />
-  </ItemGroup>
-
-</Project>

src/SharpEmu.GUI/packages.lock.json

@@ -1,186 +0,0 @@
-{
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-        "resolved": "11.3.18",
-        "contentHash": "bilMPa5vYiis6fbNovb6esKytBnOCEGojBa1XFegLCRHCP6g6PvZwS0XF/YOAGkENRlHG8dI7lohOpQ9bIkq1g==",
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-          "Avalonia": "11.3.18",
-          "Avalonia.Native": "11.3.18",
-          "Avalonia.Skia": "11.3.18",
-          "Avalonia.Win32": "11.3.18",
-          "Avalonia.X11": "11.3.18"
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-      },
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-        "type": "Direct",
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-        "resolved": "11.3.18",
-        "contentHash": "27u6hB3Y2Ue586yjfeVakberY73VNQXtuKwe/P927XG1QPlhsfmOyifLHDDpSHG85Zl1x/Xv9IZ3+tk9FnjcZQ==",
-        "dependencies": {
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-      "Avalonia.Themes.Fluent": {
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-      "Tmds.DBus.Protocol": {
-        "type": "Direct",
-        "requested": "[0.21.3, )",
-        "resolved": "0.21.3",
-        "contentHash": "hDwB8WsQoyALQKqIbwzS68UKdlnafDm4T/DkO/JrA/YIneP/rKv96SxYPVXeh3FP4i/SXfShrYftKLtciJAIlw=="
-      },
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-      },
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-          "SkiaSharp": "2.88.9",
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-        "type": "Transitive",
-        "resolved": "0.11.0",
-        "contentHash": "MEnrZ3UIiH40hjzMDsxrTyi8dtqB5ziv3iBeeU4bXsL/7NLSal9F1lZKpK+tfBRnUoDSdtcW3KufE4yhATOMCA=="
-      },
-      "SkiaSharp": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "3MD5VHjXXieSHCleRLuaTXmL2pD0mB7CcOB1x2kA1I4bhptf4e3R27iM93264ZYuAq6mkUyX5XbcxnZvMJYc1Q==",
-        "dependencies": {
-          "SkiaSharp.NativeAssets.Win32": "2.88.9",
-          "SkiaSharp.NativeAssets.macOS": "2.88.9"
-        }
-      },
-      "SkiaSharp.NativeAssets.Linux": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "cWSaJKVPWAaT/WIn9c8T5uT/l4ETwHxNJTkEOtNKjphNo8AW6TF9O32aRkxqw3l8GUdUo66Bu7EiqtFh/XG0Zg==",
-        "dependencies": {
-          "SkiaSharp": "2.88.9"
-        }
-      },
-      "SkiaSharp.NativeAssets.macOS": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "Nv5spmKc4505Ep7oUoJ5vp3KweFpeNqxpyGDWyeEPTX2uR6S6syXIm3gj75dM0YJz7NPvcix48mR5laqs8dPuA=="
-      },
-      "SkiaSharp.NativeAssets.WebAssembly": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "kt06RccBHSnAs2wDYdBSfsjIDbY3EpsOVqnlDgKdgvyuRA8ZFDaHRdWNx1VHjGgYzmnFCGiTJBnXFl5BqGwGnA=="
-      },
-      "SkiaSharp.NativeAssets.Win32": {
-        "type": "Transitive",
-        "resolved": "2.88.9",
-        "contentHash": "wb2kYgU7iy84nQLYZwMeJXixvK++GoIuECjU4ECaUKNuflyRlJKyiRhN1MAHswvlvzuvkrjRWlK0Za6+kYQK7w=="
-      }
-    }
-  }
-}

src/SharpEmu.HLE/CpuContext.cs

@@ -2,20 +2,25 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 using System.Buffers.Binary;
-using System.Text;
 
 namespace SharpEmu.HLE;
 
-public sealed class CpuContext(ICpuMemory memory, Generation generation)
+public sealed class CpuContext
 {
     private readonly ulong[] _registers = new ulong[16];
     private readonly ulong[] _xmmRegisters = new ulong[32];
     private readonly ulong[] _ymmUpperRegisters = new ulong[32];
     private bool _raxWritten;
 
-    public ICpuMemory Memory { get; } = memory ?? throw new ArgumentNullException(nameof(memory));
+    public CpuContext(ICpuMemory memory, Generation generation)
+    {
+        Memory = memory ?? throw new ArgumentNullException(nameof(memory));
+        TargetGeneration = generation;
+    }
 
-    public Generation TargetGeneration { get; } = generation;
+    public ICpuMemory Memory { get; }
+
+    public Generation TargetGeneration { get; }
 
     public ulong Rip { get; set; }
 
@@ -125,39 +130,6 @@ public sealed class CpuContext(ICpuMemory memory, Generation generation)
         SetYmmUpper(registerIndex, highLow, highHigh);
     }
 
-    public bool TryReadByte(ulong address, out byte value)
-    {
-        Span<byte> buffer = stackalloc byte[1];
-        if (!Memory.TryRead(address, buffer))
-        {
-            value = 0;
-            return false;
-        }
-
-        value = buffer[0];
-        return true;
-    }
-
-    public bool TryReadUInt32(ulong address, out uint value)
-    {
-        Span<byte> buffer = stackalloc byte[sizeof(uint)];
-        if (!Memory.TryRead(address, buffer))
-        {
-            value = 0;
-            return false;
-        }
-
-        value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
-        return true;
-    }
-
-    public bool TryWriteUInt32(ulong address, uint value)
-    {
-        Span<byte> buffer = stackalloc byte[sizeof(uint)];
-        BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
-        return Memory.TryWrite(address, buffer);
-    }
-
     public bool TryReadUInt64(ulong address, out ulong value)
     {
         Span<byte> buffer = stackalloc byte[sizeof(ulong)];
@@ -178,33 +150,6 @@ public sealed class CpuContext(ICpuMemory memory, Generation generation)
         return Memory.TryWrite(address, buffer);
     }
 
-    public bool TryReadNullTerminatedUtf8(ulong address, int capacity, out string value)
-    {
-        value = string.Empty;
-        if (address == 0 || capacity <= 0)
-        {
-            return false;
-        }
-
-        var bytes = new byte[capacity];
-        for (var index = 0; index < bytes.Length; index++)
-        {
-            if (!Memory.TryRead(address + (ulong)index, bytes.AsSpan(index, 1)))
-            {
-                return false;
-            }
-
-            if (bytes[index] == 0)
-            {
-                value = Encoding.UTF8.GetString(bytes, 0, index);
-                return true;
-            }
-        }
-
-        value = Encoding.UTF8.GetString(bytes);
-        return true;
-    }
-
     public bool PushUInt64(ulong value)
     {
         var rsp = this[CpuRegister.Rsp];

src/SharpEmu.HLE/SharpEmu.HLE.csproj

@@ -8,10 +8,6 @@ SPDX-License-Identifier: GPL-2.0-or-later
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
-  <PropertyGroup>
-    <NoWarn>$(NoWarn);1591</NoWarn>
-  </PropertyGroup>
-
   <ItemGroup>
     <EmbeddedResource Include="Aerolib\aerolib.bin" />
   </ItemGroup>

src/SharpEmu.Libs/Agc/Gen5ShaderMetadataReader.cs

@@ -18,9 +18,9 @@ internal static class Gen5ShaderMetadataReader
         out Gen5ShaderMetadata metadata)
     {
         metadata = default!;
-        if (!ctx.TryReadUInt64(shaderHeaderAddress + ShaderUserDataOffset, out var userDataAddress) ||
+        if (!TryReadUInt64(ctx, shaderHeaderAddress + ShaderUserDataOffset, out var userDataAddress) ||
             userDataAddress == 0 ||
-            !ctx.TryReadUInt64(userDataAddress, out var directResourceOffsetsAddress))
+            !TryReadUInt64(ctx, userDataAddress, out var directResourceOffsetsAddress))
         {
             return false;
         }
@@ -28,7 +28,8 @@ internal static class Gen5ShaderMetadataReader
         var resourceOffsets = new ulong[ResourceClassCount];
         for (var resourceClass = 0; resourceClass < ResourceClassCount; resourceClass++)
         {
-            if (!ctx.TryReadUInt64(
+            if (!TryReadUInt64(
+                    ctx,
                     userDataAddress + 0x08 + (ulong)(resourceClass * sizeof(ulong)),
                     out resourceOffsets[resourceClass]))
             {
@@ -137,4 +138,17 @@ internal static class Gen5ShaderMetadataReader
         value = BinaryPrimitives.ReadUInt16LittleEndian(bytes);
         return true;
     }
+
+    private static bool TryReadUInt64(CpuContext ctx, ulong address, out ulong value)
+    {
+        Span<byte> bytes = stackalloc byte[sizeof(ulong)];
+        if (!ctx.Memory.TryRead(address, bytes))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt64LittleEndian(bytes);
+        return true;
+    }
 }

src/SharpEmu.Libs/Agc/Gen5ShaderScalarEvaluator.cs

@@ -3,6 +3,7 @@
 
 using SharpEmu.HLE;
 using SharpEmu.Libs.Kernel;
+using System.Buffers.Binary;
 using System.Numerics;
 
 namespace SharpEmu.Libs.Agc;
@@ -1404,7 +1405,8 @@ internal static class Gen5ShaderScalarEvaluator
                 continue;
             }
 
-            if (!ctx.TryReadUInt32(
+            if (!TryReadUInt32(
+                    ctx,
                     address + (ulong)(index * sizeof(uint)),
                     out var value) &&
                 !TryReadUserDataScalarLoad(
@@ -1725,4 +1727,16 @@ internal static class Gen5ShaderScalarEvaluator
         opcode.StartsWith("ImageSample", StringComparison.Ordinal) ||
         opcode.StartsWith("ImageGather", StringComparison.Ordinal);
 
+    private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
+    {
+        Span<byte> bytes = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(address, bytes))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt32LittleEndian(bytes);
+        return true;
+    }
 }

src/SharpEmu.Libs/Agc/Gen5ShaderTranslator.cs

@@ -294,7 +294,7 @@ internal static class Gen5ShaderTranslator
         var instructionCount = 0;
         for (uint pc = 0; instructionCount < MaxInstructions;)
         {
-            if (!ctx.TryReadUInt32(address + pc, out var word))
+            if (!TryReadUInt32(ctx, address + pc, out var word))
             {
                 error = $"read-failed pc=0x{pc:X}";
                 return false;
@@ -317,7 +317,7 @@ internal static class Gen5ShaderTranslator
             words[0] = word;
             for (uint wordIndex = 1; wordIndex < sizeDwords; wordIndex++)
             {
-                if (!ctx.TryReadUInt32(address + pc + wordIndex * sizeof(uint), out words[wordIndex]))
+                if (!TryReadUInt32(ctx, address + pc + wordIndex * sizeof(uint), out words[wordIndex]))
                 {
                     error = $"read-failed pc=0x{pc + wordIndex * sizeof(uint):X}";
                     return false;
@@ -397,7 +397,7 @@ internal static class Gen5ShaderTranslator
             case 0x34:
             case 0x35:
                 encoding = Gen5ShaderEncoding.Vop3;
-                if (!ctx.TryReadUInt32(baseAddress + pc + sizeof(uint), out var vop3Extra))
+                if (!TryReadUInt32(ctx, baseAddress + pc + sizeof(uint), out var vop3Extra))
                 {
                     error = $"vop3-extra-read-failed pc=0x{pc:X}";
                     return false;
@@ -418,7 +418,7 @@ internal static class Gen5ShaderTranslator
                 return DecodeFlat(word, out name, out sizeDwords, out error);
             case 0x38:
                 encoding = Gen5ShaderEncoding.Mubuf;
-                if (!ctx.TryReadUInt32(baseAddress + pc + sizeof(uint), out var mubufExtra))
+                if (!TryReadUInt32(ctx, baseAddress + pc + sizeof(uint), out var mubufExtra))
                 {
                     error = $"mubuf-extra-read-failed pc=0x{pc:X}";
                     return false;
@@ -427,7 +427,7 @@ internal static class Gen5ShaderTranslator
                 return DecodeMubuf(word, mubufExtra, out name, out sizeDwords, out error);
             case 0x3A:
                 encoding = Gen5ShaderEncoding.Mtbuf;
-                if (!ctx.TryReadUInt32(baseAddress + pc + sizeof(uint), out var mtbufExtra))
+                if (!TryReadUInt32(ctx, baseAddress + pc + sizeof(uint), out var mtbufExtra))
                 {
                     error = $"mtbuf-extra-read-failed pc=0x{pc:X}";
                     return false;
@@ -1741,6 +1741,19 @@ internal static class Gen5ShaderTranslator
         counts[key] = count + 1;
     }
 
+    private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
+    {
+        Span<byte> bytes = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(address, bytes))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt32LittleEndian(bytes);
+        return true;
+    }
+
     private readonly record struct ShaderDecodeInfo(
         int InstructionCount,
         Dictionary<string, int> Counts,

src/SharpEmu.Libs/Agc/Gen5SpirvTranslator.cs

@@ -467,6 +467,9 @@ internal static partial class Gen5SpirvTranslator
                 _imageBindingByPc.TryAdd(binding.Pc, index);
                 var isStorage =
                     Gen5ShaderTranslator.IsStorageImageOperation(binding.Opcode);
+                var isDepth =
+                    binding.Opcode.Contains("SampleC", StringComparison.Ordinal) ||
+                    binding.Opcode.Contains("Gather4C", StringComparison.Ordinal);
                 var (format, componentKind) =
                     DecodeImageFormat(binding.ResourceDescriptor);
                 var componentType = componentKind switch
@@ -491,7 +494,7 @@ internal static partial class Gen5SpirvTranslator
                 var imageType = _module.TypeImage(
                     componentType,
                     SpirvImageDim.Dim2D,
-                    depth: false,
+                    depth: isDepth,
                     arrayed: false,
                     multisampled: false,
                     sampled: isStorage ? 2u : 1u,
@@ -1658,14 +1661,18 @@ internal static partial class Gen5SpirvTranslator
                 var offset = hasOffset ? BuildImageOffset(image, 0) : 0u;
                 var imageOperands =
                     (explicitLod ? 2u : 0u) | (hasOffset ? 0x10u : 0u);
-                var reference = hasCompare
-                    ? Bitcast(_floatType, LoadV(image.GetAddressRegister(hasOffset ? 1 : 0)))
-                    : 0u;
                 var operands = new List<uint>
                 {
                     imageObject,
                     coordinates,
                 };
+                if (hasCompare)
+                {
+                    operands.Add(
+                        Bitcast(
+                            _floatType,
+                            LoadV(image.GetAddressRegister(hasOffset ? 1 : 0))));
+                }
 
                 if (imageOperands != 0)
                 {
@@ -1682,14 +1689,29 @@ internal static partial class Gen5SpirvTranslator
                 }
 
                 sampled = _module.AddInstruction(
-                    explicitLod
+                    hasCompare
-                        ? SpirvOp.ImageSampleExplicitLod
+                        ? explicitLod
-                        : SpirvOp.ImageSampleImplicitLod,
+                            ? SpirvOp.ImageSampleDrefExplicitLod
-                    resource.VectorType,
+                            : SpirvOp.ImageSampleDrefImplicitLod
+                        : explicitLod
+                            ? SpirvOp.ImageSampleExplicitLod
+                            : SpirvOp.ImageSampleImplicitLod,
+                    hasCompare ? resource.ComponentType : resource.VectorType,
                     [.. operands]);
                 if (hasCompare)
                 {
-                    sampled = EmitManualDepthCompare(resource, sampled, reference);
+                    var scalar = sampled;
+                    sampled = _module.AddInstruction(
+                        SpirvOp.CompositeConstruct,
+                        resource.VectorType,
+                        scalar,
+                        scalar,
+                        scalar,
+                        resource.ComponentKind == ImageComponentKind.Float
+                            ? Float(1)
+                            : resource.ComponentKind == ImageComponentKind.Uint
+                                ? UInt(1)
+                                : _module.Constant(_intType, 1));
                 }
             }
             else if (instruction.Opcode.StartsWith(
@@ -1703,9 +1725,6 @@ internal static partial class Gen5SpirvTranslator
                 var start = (hasOffset ? 1 : 0) + (hasCompare ? 1 : 0);
                 var coordinates = BuildFloatCoordinates(image, start);
                 var offset = hasOffset ? BuildImageOffset(image, 0) : 0u;
-                var reference = hasCompare
-                    ? Bitcast(_floatType, LoadV(image.GetAddressRegister(hasOffset ? 1 : 0)))
-                    : 0u;
                 var operands = new List<uint>
                 {
                     imageObject,
@@ -1713,7 +1732,10 @@ internal static partial class Gen5SpirvTranslator
                 };
                 if (hasCompare)
                 {
-                    operands.Add(UInt(0));
+                    operands.Add(
+                        Bitcast(
+                            _floatType,
+                            LoadV(image.GetAddressRegister(hasOffset ? 1 : 0))));
                 }
                 else
                 {
@@ -1734,28 +1756,11 @@ internal static partial class Gen5SpirvTranslator
                 }
 
                 sampled = _module.AddInstruction(
-                    SpirvOp.ImageGather,
+                    hasCompare
+                        ? SpirvOp.ImageDrefGather
+                        : SpirvOp.ImageGather,
                     resource.VectorType,
                     [.. operands]);
-                if (hasCompare)
-                {
-                    var compared = new uint[4];
-                    for (var component = 0u; component < 4; component++)
-                    {
-                        var texel = _module.AddInstruction(
-                            SpirvOp.CompositeExtract,
-                            resource.ComponentType,
-                            sampled,
-                            component);
-                        compared[component] = EmitDepthCompareScalar(resource, texel, reference);
-                    }
-
-                    sampled = _module.AddInstruction(
-                        SpirvOp.CompositeConstruct,
-                        resource.VectorType,
-                        compared);
-                }
-
                 writeAllComponents = true;
             }
             else
@@ -1789,67 +1794,6 @@ internal static partial class Gen5SpirvTranslator
             return true;
         }
 
-        private uint EmitDepthCompareScalar(
-            SpirvImageResource resource,
-            uint texel,
-            uint reference)
-        {
-            var texelAsFloat = resource.ComponentKind switch
-            {
-                ImageComponentKind.Uint => _module.AddInstruction(
-                    SpirvOp.ConvertUToF, _floatType, texel),
-                ImageComponentKind.Sint => _module.AddInstruction(
-                    SpirvOp.ConvertSToF, _floatType, texel),
-                _ => texel,
-            };
-            var passes = _module.AddInstruction(
-                SpirvOp.FOrdLessThanEqual,
-                _boolType,
-                reference,
-                texelAsFloat);
-            return _module.AddInstruction(
-                SpirvOp.Select,
-                resource.ComponentType,
-                passes,
-                resource.ComponentKind switch
-                {
-                    ImageComponentKind.Uint => UInt(1),
-                    ImageComponentKind.Sint => _module.Constant(_intType, 1),
-                    _ => Float(1),
-                },
-                resource.ComponentKind switch
-                {
-                    ImageComponentKind.Uint => UInt(0),
-                    ImageComponentKind.Sint => _module.Constant(_intType, 0),
-                    _ => Float(0),
-                });
-        }
-
-        private uint EmitManualDepthCompare(
-            SpirvImageResource resource,
-            uint sampledVector,
-            uint reference)
-        {
-            var texel = _module.AddInstruction(
-                SpirvOp.CompositeExtract,
-                resource.ComponentType,
-                sampledVector,
-                0u);
-            var scalar = EmitDepthCompareScalar(resource, texel, reference);
-            return _module.AddInstruction(
-                SpirvOp.CompositeConstruct,
-                resource.VectorType,
-                scalar,
-                scalar,
-                scalar,
-                resource.ComponentKind switch
-                {
-                    ImageComponentKind.Uint => UInt(1),
-                    ImageComponentKind.Sint => _module.Constant(_intType, 1),
-                    _ => Float(1),
-                });
-        }
-
         private uint BuildFloatCoordinates(Gen5ImageControl image, int start)
         {
             var x = Bitcast(

src/SharpEmu.Libs/Ampr/AmprExports.cs

@@ -24,7 +24,6 @@ public static class AmprExports
     private const uint KernelEventQueueRecordType = 2;
     private const uint WriteAddressRecordType = 3;
     private static readonly ConcurrentDictionary<ulong, CommandBufferState> _commandBuffers = new();
-    private static readonly ConcurrentDictionary<string, Lazy<CachedHostFile>> _hostFileCache = new(StringComparer.OrdinalIgnoreCase);
     private static readonly bool _traceAmpr =
         string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_AMPR"), "1", StringComparison.Ordinal);
     private static readonly bool _traceAmprReads =
@@ -38,23 +37,6 @@ public static class AmprExports
         public ulong WriteOffset;
     }
 
-    private sealed class CachedHostFile
-    {
-        public CachedHostFile(string path)
-        {
-            Stream = new FileStream(
-                path,
-                FileMode.Open,
-                FileAccess.Read,
-                FileShare.ReadWrite | FileShare.Delete,
-                bufferSize: 1024 * 1024,
-                FileOptions.RandomAccess);
-        }
-
-        public object Gate { get; } = new();
-        public FileStream Stream { get; }
-    }
-
     [SysAbiExport(
         Nid = "8aI7R7WaOlc",
         ExportName = "sceAmprCommandBufferConstructor",
@@ -267,7 +249,7 @@ public static class AmprExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
 
-        if (!AmprFileRegistry.TryGetHostPath(fileId, out var hostPath))
+        if (!AmprFileRegistry.TryGetHostPath(fileId, out var hostPath) || !File.Exists(hostPath))
         {
             TraceAmprRead(ctx, commandBuffer, fileId, destination, size, fileOffset, bytesRead: 0, hostPath, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND);
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
@@ -453,7 +435,7 @@ public static class AmprExports
         var offset = 0UL;
         while (offset < writeOffset)
         {
-            if (!ctx.TryReadUInt32(buffer + offset, out var recordType))
+            if (!TryReadUInt32(ctx, buffer + offset, out var recordType))
             {
                 return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
             }
@@ -652,43 +634,24 @@ public static class AmprExports
 
         try
         {
-            if (!TryGetCachedHostFile(hostPath, out var cachedFile, out var openResult))
+            using var stream = new FileStream(
-            {
+                hostPath,
-                return openResult;
+                FileMode.Open,
-            }
+                FileAccess.Read,
-
+                FileShare.ReadWrite | FileShare.Delete,
-            long fileLength;
+                ChunkSize,
-            lock (cachedFile.Gate)
+                FileOptions.SequentialScan);
-            {
+            if (fileOffset >= (ulong)stream.Length)
-                fileLength = cachedFile.Stream.Length;
-            }
-
-            if (fileOffset >= (ulong)fileLength)
             {
                 return (int)OrbisGen2Result.ORBIS_GEN2_OK;
             }
 
+            stream.Position = unchecked((long)fileOffset);
+
             while (bytesRead < size)
             {
-                if (bytesRead > ulong.MaxValue - fileOffset)
-                {
-                    return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
-                }
-
-                var absoluteOffset = fileOffset + bytesRead;
-                if (absoluteOffset > long.MaxValue)
-                {
-                    return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
-                }
-
                 var request = (int)Math.Min((ulong)buffer.Length, size - bytesRead);
-                int read;
+                var read = stream.Read(buffer, 0, request);
-                lock (cachedFile.Gate)
-                {
-                    cachedFile.Stream.Position = unchecked((long)absoluteOffset);
-                    read = cachedFile.Stream.Read(buffer, 0, request);
-                }
-
                 if (read <= 0)
                 {
                     break;
@@ -718,44 +681,6 @@ public static class AmprExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    private static bool TryGetCachedHostFile(string hostPath, out CachedHostFile file, out int result)
-    {
-        file = null!;
-        result = (int)OrbisGen2Result.ORBIS_GEN2_OK;
-
-        string cachePath;
-        try
-        {
-            cachePath = Path.GetFullPath(hostPath);
-        }
-        catch
-        {
-            cachePath = hostPath;
-        }
-
-        var lazy = _hostFileCache.GetOrAdd(
-            cachePath,
-            static path => new Lazy<CachedHostFile>(() => new CachedHostFile(path), isThreadSafe: true));
-
-        try
-        {
-            file = lazy.Value;
-            return true;
-        }
-        catch (UnauthorizedAccessException)
-        {
-            _hostFileCache.TryRemove(cachePath, out _);
-            result = (int)OrbisGen2Result.ORBIS_GEN2_ERROR_PERMISSION_DENIED;
-            return false;
-        }
-        catch (IOException)
-        {
-            _hostFileCache.TryRemove(cachePath, out _);
-            result = (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
-            return false;
-        }
-    }
-
     private static bool AppendReadFileRecord(
         CpuContext ctx,
         ulong commandBuffer,
@@ -883,6 +808,19 @@ public static class AmprExports
         return true;
     }
 
+    private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
+        return true;
+    }
+
     private static void TraceAmpr(CpuContext ctx, string operation, ulong commandBuffer, ulong arg0, ulong arg1)
     {
         if (!_traceAmpr)

src/SharpEmu.Libs/Audio/AudioOut2Exports.cs

@@ -95,7 +95,7 @@ public static class AudioOut2Exports
         }
 
         var handle = (ulong)Interlocked.Increment(ref _nextContextHandle);
-        return ctx.TryWriteUInt64(outContextAddress, handle)
+        return TryWriteUInt64(ctx, outContextAddress, handle)
             ? SetReturn(ctx, 0)
             : SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
     }
@@ -125,7 +125,7 @@ public static class AudioOut2Exports
 
         var portId = unchecked((uint)Interlocked.Increment(ref _nextPortId)) & 0xFF;
         var handle = 0x2000_0000UL | ((ulong)(uint)type << 16) | portId;
-        return ctx.TryWriteUInt64(outPortAddress, handle)
+        return TryWriteUInt64(ctx, outPortAddress, handle)
             ? SetReturn(ctx, 0)
             : SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
     }
@@ -211,11 +211,18 @@ public static class AudioOut2Exports
         }
 
         var handle = (ulong)Interlocked.Increment(ref _nextUserHandle);
-        return ctx.TryWriteUInt64(outUserAddress, handle)
+        return TryWriteUInt64(ctx, outUserAddress, handle)
             ? SetReturn(ctx, 0)
             : SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
     }
 
+    private static bool TryWriteUInt64(CpuContext ctx, ulong address, ulong value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(ulong)];
+        BinaryPrimitives.WriteUInt64LittleEndian(buffer, value);
+        return ctx.Memory.TryWrite(address, buffer);
+    }
+
     private static int SetReturn(CpuContext ctx, int result)
     {
         ctx[CpuRegister.Rax] = unchecked((ulong)result);

src/SharpEmu.Libs/Audio/AudioOutExports.cs

@@ -1,242 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using SharpEmu.HLE;
-using System.Buffers;
-using System.Collections.Concurrent;
-using System.Diagnostics;
-using System.Threading;
-
-namespace SharpEmu.Libs.Audio;
-
-public static class AudioOutExports
-{
-    private static readonly ConcurrentDictionary<int, PortState> Ports = new();
-    private static int _nextPortHandle;
-
-    private sealed class PortState : IDisposable
-    {
-        private readonly object _paceGate = new();
-        private long _nextSilentOutput;
-
-        public PortState(
-            int userId,
-            int type,
-            uint bufferLength,
-            uint frequency,
-            int format,
-            int channels,
-            int bytesPerSample,
-            bool isFloat,
-            WinMmAudioPort? backend)
-        {
-            UserId = userId;
-            Type = type;
-            BufferLength = bufferLength;
-            Frequency = frequency;
-            Format = format;
-            Channels = channels;
-            BytesPerSample = bytesPerSample;
-            IsFloat = isFloat;
-            Backend = backend;
-        }
-
-        public int UserId { get; }
-        public int Type { get; }
-        public uint BufferLength { get; }
-        public uint Frequency { get; }
-        public int Format { get; }
-        public int Channels { get; }
-        public int BytesPerSample { get; }
-        public bool IsFloat { get; }
-        public WinMmAudioPort? Backend { get; }
-        public int BufferByteLength =>
-            checked((int)BufferLength * Channels * BytesPerSample);
-
-        public void PaceSilence()
-        {
-            long delay;
-            lock (_paceGate)
-            {
-                var now = Stopwatch.GetTimestamp();
-                if (_nextSilentOutput < now)
-                {
-                    _nextSilentOutput = now;
-                }
-
-                delay = _nextSilentOutput - now;
-                _nextSilentOutput += checked(
-                    (long)Math.Ceiling(
-                        Stopwatch.Frequency * (double)BufferLength / Frequency));
-            }
-
-            if (delay > 0)
-            {
-                Thread.Sleep(TimeSpan.FromSeconds((double)delay / Stopwatch.Frequency));
-            }
-        }
-
-        public void Dispose() => Backend?.Dispose();
-    }
-
-    [SysAbiExport(
-        Nid = "JfEPXVxhFqA",
-        ExportName = "sceAudioOutInit",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceAudioOut")]
-    public static int AudioOutInit(CpuContext ctx) => SetReturn(ctx, 0);
-
-    [SysAbiExport(
-        Nid = "ekNvsT22rsY",
-        ExportName = "sceAudioOutOpen",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceAudioOut")]
-    public static int AudioOutOpen(CpuContext ctx)
-    {
-        var userId = unchecked((int)ctx[CpuRegister.Rdi]);
-        var type = unchecked((int)ctx[CpuRegister.Rsi]);
-        var bufferLength = unchecked((uint)ctx[CpuRegister.Rcx]);
-        var frequency = unchecked((uint)ctx[CpuRegister.R8]);
-        var format = unchecked((int)ctx[CpuRegister.R9]);
-        if (bufferLength == 0 || frequency == 0 ||
-            !TryGetFormat(format, out var channels, out var bytesPerSample, out var isFloat))
-        {
-            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
-        }
-
-        WinMmAudioPort? backend = null;
-        string backendName;
-        try
-        {
-            backend = new WinMmAudioPort(frequency);
-            backendName = "winmm";
-        }
-        catch (Exception exception)
-        {
-            backendName = "silent";
-            Console.Error.WriteLine(
-                $"[LOADER][WARN] AudioOut host backend unavailable: {exception.Message}");
-        }
-
-        var handle = Interlocked.Increment(ref _nextPortHandle);
-        Ports[handle] = new PortState(
-            userId,
-            type,
-            bufferLength,
-            frequency,
-            format,
-            channels,
-            bytesPerSample,
-            isFloat,
-            backend);
-        Console.Error.WriteLine(
-            $"[LOADER][INFO] AudioOut port {handle}: {frequency} Hz, " +
-            $"{channels} ch, {(isFloat ? "float32" : "s16")}, " +
-            $"{bufferLength} frames, backend={backendName}");
-        return SetReturn(ctx, handle);
-    }
-
-    [SysAbiExport(
-        Nid = "s1--uE9mBFw",
-        ExportName = "sceAudioOutClose",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceAudioOut")]
-    public static int AudioOutClose(CpuContext ctx)
-    {
-        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
-        if (!Ports.TryRemove(handle, out var port))
-        {
-            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
-        }
-
-        port.Dispose();
-        return SetReturn(ctx, 0);
-    }
-
-    [SysAbiExport(
-        Nid = "QOQtbeDqsT4",
-        ExportName = "sceAudioOutOutput",
-        Target = Generation.Gen5,
-        LibraryName = "libSceAudioOut")]
-    public static int AudioOutOutput(CpuContext ctx)
-    {
-        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
-        var sourceAddress = ctx[CpuRegister.Rsi];
-        if (!Ports.TryGetValue(handle, out var port))
-        {
-            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
-        }
-
-        if (sourceAddress == 0)
-        {
-            return SetReturn(ctx, 0);
-        }
-
-        var buffer = ArrayPool<byte>.Shared.Rent(port.BufferByteLength);
-        try
-        {
-            var source = buffer.AsSpan(0, port.BufferByteLength);
-            if (!ctx.Memory.TryRead(sourceAddress, source))
-            {
-                return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-            }
-
-            if (port.Backend is null ||
-                !port.Backend.Submit(
-                    source,
-                    port.BufferLength,
-                    port.Channels,
-                    port.BytesPerSample,
-                    port.IsFloat))
-            {
-                port.PaceSilence();
-            }
-
-            return SetReturn(ctx, 0);
-        }
-        finally
-        {
-            ArrayPool<byte>.Shared.Return(buffer);
-        }
-    }
-
-    [SysAbiExport(
-        Nid = "b+uAV89IlxE",
-        ExportName = "sceAudioOutSetVolume",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceAudioOut")]
-    public static int AudioOutSetVolume(CpuContext ctx)
-    {
-        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
-        return SetReturn(
-            ctx,
-            Ports.ContainsKey(handle)
-                ? 0
-                : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
-    }
-
-    private static int SetReturn(CpuContext ctx, int result)
-    {
-        ctx[CpuRegister.Rax] = unchecked((ulong)result);
-        return result;
-    }
-
-    private static bool TryGetFormat(
-        int rawFormat,
-        out int channels,
-        out int bytesPerSample,
-        out bool isFloat)
-    {
-        var format = rawFormat & 0xFF;
-        channels = format switch
-        {
-            0 or 3 => 1,
-            1 or 4 => 2,
-            2 or 5 or 6 or 7 => 8,
-            _ => 0,
-        };
-        bytesPerSample = format is >= 3 and <= 5 or 7 ? 4 : 2;
-        isFloat = bytesPerSample == 4;
-        return channels != 0;
-    }
-}

src/SharpEmu.Libs/Audio/WinMmAudioPort.cs

@@ -1,302 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using System.Buffers;
-using System.Buffers.Binary;
-using System.Runtime.InteropServices;
-
-namespace SharpEmu.Libs.Audio;
-
-internal sealed class WinMmAudioPort : IDisposable
-{
-    private const uint WaveMapper = uint.MaxValue;
-    private const uint CallbackEvent = 0x0005_0000;
-    private const ushort WaveFormatPcm = 1;
-    private const uint WaveHeaderDone = 0x0000_0001;
-    private const int MaximumQueuedPcmBytes = 32 * 1024;
-
-    private readonly object _gate = new();
-    private readonly AutoResetEvent _completion = new(false);
-    private readonly Queue<NativeBuffer> _buffers = new();
-    private IntPtr _device;
-    private int _queuedPcmBytes;
-    private bool _disposed;
-
-    public WinMmAudioPort(uint sampleRate)
-    {
-        if (!OperatingSystem.IsWindows())
-        {
-            throw new PlatformNotSupportedException("WinMM audio is only available on Windows.");
-        }
-
-        var format = new WaveFormat
-        {
-            FormatTag = WaveFormatPcm,
-            Channels = 2,
-            SamplesPerSecond = sampleRate,
-            AverageBytesPerSecond = checked(sampleRate * 4),
-            BlockAlign = 4,
-            BitsPerSample = 16,
-            ExtraSize = 0,
-        };
-        var result = WaveOutOpen(
-            out _device,
-            WaveMapper,
-            ref format,
-            _completion.SafeWaitHandle.DangerousGetHandle(),
-            IntPtr.Zero,
-            CallbackEvent);
-        if (result != 0)
-        {
-            throw new InvalidOperationException($"waveOutOpen failed with MMRESULT {result}.");
-        }
-    }
-
-    public bool Submit(
-        ReadOnlySpan<byte> source,
-        uint frames,
-        int channels,
-        int bytesPerSample,
-        bool isFloat)
-    {
-        lock (_gate)
-        {
-            if (_disposed)
-            {
-                return false;
-            }
-
-            var outputLength = checked((int)frames * 4);
-            ReapCompletedBuffers();
-            while (_queuedPcmBytes != 0 &&
-                   _queuedPcmBytes + outputLength > MaximumQueuedPcmBytes)
-            {
-                if (!_completion.WaitOne(TimeSpan.FromSeconds(1)))
-                {
-                    return false;
-                }
-
-                ReapCompletedBuffers();
-            }
-
-            var output = ArrayPool<byte>.Shared.Rent(outputLength);
-            try
-            {
-                ConvertToStereoPcm16(
-                    source,
-                    output.AsSpan(0, outputLength),
-                    checked((int)frames),
-                    channels,
-                    bytesPerSample,
-                    isFloat);
-                return QueueBuffer(output.AsSpan(0, outputLength));
-            }
-            finally
-            {
-                ArrayPool<byte>.Shared.Return(output);
-            }
-        }
-    }
-
-    public void Dispose()
-    {
-        lock (_gate)
-        {
-            if (_disposed)
-            {
-                return;
-            }
-
-            _disposed = true;
-            if (_device != IntPtr.Zero)
-            {
-                WaveOutReset(_device);
-                while (_buffers.TryDequeue(out var buffer))
-                {
-                    ReleaseBuffer(buffer);
-                }
-
-                WaveOutClose(_device);
-                _device = IntPtr.Zero;
-            }
-
-            _completion.Dispose();
-        }
-    }
-
-    private bool QueueBuffer(ReadOnlySpan<byte> data)
-    {
-        var dataAddress = Marshal.AllocHGlobal(data.Length);
-        var headerAddress = IntPtr.Zero;
-        try
-        {
-            unsafe
-            {
-                data.CopyTo(new Span<byte>((void*)dataAddress, data.Length));
-            }
-
-            var header = new WaveHeader
-            {
-                Data = dataAddress,
-                BufferLength = checked((uint)data.Length),
-            };
-            headerAddress = Marshal.AllocHGlobal(Marshal.SizeOf<WaveHeader>());
-            Marshal.StructureToPtr(header, headerAddress, false);
-
-            var result = WaveOutPrepareHeader(
-                _device,
-                headerAddress,
-                checked((uint)Marshal.SizeOf<WaveHeader>()));
-            if (result != 0)
-            {
-                return false;
-            }
-
-            result = WaveOutWrite(
-                _device,
-                headerAddress,
-                checked((uint)Marshal.SizeOf<WaveHeader>()));
-            if (result != 0)
-            {
-                WaveOutUnprepareHeader(
-                    _device,
-                    headerAddress,
-                    checked((uint)Marshal.SizeOf<WaveHeader>()));
-                return false;
-            }
-
-            _buffers.Enqueue(new NativeBuffer(dataAddress, headerAddress, data.Length));
-            _queuedPcmBytes += data.Length;
-            dataAddress = IntPtr.Zero;
-            headerAddress = IntPtr.Zero;
-            return true;
-        }
-        finally
-        {
-            if (headerAddress != IntPtr.Zero)
-            {
-                Marshal.FreeHGlobal(headerAddress);
-            }
-
-            if (dataAddress != IntPtr.Zero)
-            {
-                Marshal.FreeHGlobal(dataAddress);
-            }
-        }
-    }
-
-    private void ReapCompletedBuffers()
-    {
-        while (_buffers.TryPeek(out var buffer))
-        {
-            var header = Marshal.PtrToStructure<WaveHeader>(buffer.Header);
-            if ((header.Flags & WaveHeaderDone) == 0)
-            {
-                return;
-            }
-
-            _buffers.Dequeue();
-            ReleaseBuffer(buffer);
-        }
-    }
-
-    private void ReleaseBuffer(NativeBuffer buffer)
-    {
-        WaveOutUnprepareHeader(
-            _device,
-            buffer.Header,
-            checked((uint)Marshal.SizeOf<WaveHeader>()));
-        _queuedPcmBytes -= buffer.Length;
-        Marshal.FreeHGlobal(buffer.Header);
-        Marshal.FreeHGlobal(buffer.Data);
-    }
-
-    private static void ConvertToStereoPcm16(
-        ReadOnlySpan<byte> source,
-        Span<byte> destination,
-        int frames,
-        int channels,
-        int bytesPerSample,
-        bool isFloat)
-    {
-        var sourceFrameSize = checked(channels * bytesPerSample);
-        for (var frame = 0; frame < frames; frame++)
-        {
-            var sourceFrame = source.Slice(frame * sourceFrameSize, sourceFrameSize);
-            var left = ReadSample(sourceFrame, 0, bytesPerSample, isFloat);
-            var right = channels == 1
-                ? left
-                : ReadSample(sourceFrame, 1, bytesPerSample, isFloat);
-            BinaryPrimitives.WriteInt16LittleEndian(destination[(frame * 4)..], left);
-            BinaryPrimitives.WriteInt16LittleEndian(destination[((frame * 4) + 2)..], right);
-        }
-    }
-
-    private static short ReadSample(
-        ReadOnlySpan<byte> frame,
-        int channel,
-        int bytesPerSample,
-        bool isFloat)
-    {
-        var sample = frame.Slice(channel * bytesPerSample, bytesPerSample);
-        if (!isFloat)
-        {
-            return BinaryPrimitives.ReadInt16LittleEndian(sample);
-        }
-
-        var bits = BinaryPrimitives.ReadInt32LittleEndian(sample);
-        var value = Math.Clamp(BitConverter.Int32BitsToSingle(bits), -1.0f, 1.0f);
-        return checked((short)MathF.Round(value * short.MaxValue));
-    }
-
-    private readonly record struct NativeBuffer(IntPtr Data, IntPtr Header, int Length);
-
-    [StructLayout(LayoutKind.Sequential, Pack = 2)]
-    private struct WaveFormat
-    {
-        public ushort FormatTag;
-        public ushort Channels;
-        public uint SamplesPerSecond;
-        public uint AverageBytesPerSecond;
-        public ushort BlockAlign;
-        public ushort BitsPerSample;
-        public ushort ExtraSize;
-    }
-
-    [StructLayout(LayoutKind.Sequential)]
-    private struct WaveHeader
-    {
-        public IntPtr Data;
-        public uint BufferLength;
-        public uint BytesRecorded;
-        public nuint User;
-        public uint Flags;
-        public uint Loops;
-        public IntPtr Next;
-        public nuint Reserved;
-    }
-
-    [DllImport("winmm.dll", EntryPoint = "waveOutOpen")]
-    private static extern uint WaveOutOpen(
-        out IntPtr device,
-        uint deviceId,
-        ref WaveFormat format,
-        IntPtr callback,
-        IntPtr instance,
-        uint flags);
-
-    [DllImport("winmm.dll", EntryPoint = "waveOutPrepareHeader")]
-    private static extern uint WaveOutPrepareHeader(IntPtr device, IntPtr header, uint headerSize);
-
-    [DllImport("winmm.dll", EntryPoint = "waveOutWrite")]
-    private static extern uint WaveOutWrite(IntPtr device, IntPtr header, uint headerSize);
-
-    [DllImport("winmm.dll", EntryPoint = "waveOutUnprepareHeader")]
-    private static extern uint WaveOutUnprepareHeader(IntPtr device, IntPtr header, uint headerSize);
-
-    [DllImport("winmm.dll", EntryPoint = "waveOutReset")]
-    private static extern uint WaveOutReset(IntPtr device);
-
-    [DllImport("winmm.dll", EntryPoint = "waveOutClose")]
-    private static extern uint WaveOutClose(IntPtr device);
-}

src/SharpEmu.Libs/CommonDialog/MsgDialogExports.cs

@@ -1,27 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using SharpEmu.HLE;
-using System.Threading;
-
-namespace SharpEmu.Libs.CommonDialog;
-
-public static class MsgDialogExports
-{
-    private const int AlreadyInitialized = unchecked((int)0x80B80002);
-    private static int _initialized;
-
-    [SysAbiExport(
-        Nid = "lDqxaY1UbEo",
-        ExportName = "sceMsgDialogInitialize",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceMsgDialog")]
-    public static int MsgDialogInitialize(CpuContext ctx)
-    {
-        var result = Interlocked.Exchange(ref _initialized, 1) == 0
-            ? 0
-            : AlreadyInitialized;
-        ctx[CpuRegister.Rax] = unchecked((ulong)result);
-        return result;
-    }
-}

src/SharpEmu.Libs/Fiber/FiberExports.cs

@@ -112,7 +112,7 @@ public static class FiberExports
             return SetReturn(ctx, FiberErrorAlignment);
         }
 
-        return ctx.TryWriteUInt32(optParam, FiberOptSignature)
+        return TryWriteUInt32(ctx, optParam, FiberOptSignature)
             ? SetReturn(ctx, 0)
             : SetReturn(ctx, FiberErrorInvalid);
     }
@@ -130,7 +130,7 @@ public static class FiberExports
             return SetReturn(ctx, error);
         }
 
-        if (!ctx.TryReadUInt32(fiber + FiberStateOffset, out var state))
+        if (!TryReadUInt32(ctx, fiber + FiberStateOffset, out var state))
         {
             return SetReturn(ctx, FiberErrorInvalid);
         }
@@ -143,7 +143,7 @@ public static class FiberExports
         _continuations.TryRemove(fiber, out _);
         _returnTargets.TryRemove(fiber, out _);
         _stackRanges.TryRemove(fiber, out _);
-        _ = ctx.TryWriteUInt32(fiber + FiberStateOffset, FiberStateTerminated);
+        _ = TryWriteUInt32(ctx, fiber + FiberStateOffset, FiberStateTerminated);
         return SetReturn(ctx, 0);
     }
 
@@ -240,7 +240,7 @@ public static class FiberExports
 
         var returnArgument = ctx[CpuRegister.Rdi];
         var argOnRunAddress = ctx[CpuRegister.Rsi];
-        if (argOnRunAddress != 0 && !ctx.TryWriteUInt64(argOnRunAddress, 0))
+        if (argOnRunAddress != 0 && !TryWriteUInt64(ctx, argOnRunAddress, 0))
         {
             return SetReturn(ctx, FiberErrorInvalid);
         }
@@ -264,7 +264,7 @@ public static class FiberExports
             {
                 if (!_continuations.TryRemove(previousFiber, out var previousContinuation) ||
                     !TryWriteResumeArgument(ctx, previousContinuation, returnArgument) ||
-                    !ctx.TryWriteUInt32(previousFiber + FiberStateOffset, FiberStateRun))
+                    !TryWriteUInt32(ctx, previousFiber + FiberStateOffset, FiberStateRun))
                 {
                     _continuations.TryRemove(fiberAddress, out _);
                     return SetReturn(ctx, FiberErrorState);
@@ -284,7 +284,7 @@ public static class FiberExports
                 transferTarget = returnTarget.ThreadContinuation.Value.Context with { Rax = 0 };
             }
 
-            if (!ctx.TryWriteUInt32(fiberAddress + FiberStateOffset, FiberStateIdle))
+            if (!TryWriteUInt32(ctx, fiberAddress + FiberStateOffset, FiberStateIdle))
             {
                 return SetReturn(ctx, FiberErrorInvalid);
             }
@@ -318,7 +318,7 @@ public static class FiberExports
             return SetReturn(ctx, FiberErrorPermission);
         }
 
-        return ctx.TryWriteUInt64(outAddress, fiberAddress)
+        return TryWriteUInt64(ctx, outAddress, fiberAddress)
             ? SetReturn(ctx, 0)
             : SetReturn(ctx, FiberErrorInvalid);
     }
@@ -342,7 +342,7 @@ public static class FiberExports
             return SetReturn(ctx, error);
         }
 
-        if (!ctx.TryReadUInt64(info, out var size) || size != FiberInfoSize)
+        if (!TryReadUInt64(ctx, info, out var size) || size != FiberInfoSize)
         {
             return SetReturn(ctx, FiberErrorInvalid);
         }
@@ -352,12 +352,12 @@ public static class FiberExports
             return SetReturn(ctx, FiberErrorInvalid);
         }
 
-        if (!ctx.TryWriteUInt64(info + 8, fields.Entry) ||
+        if (!TryWriteUInt64(ctx, info + 8, fields.Entry) ||
-            !ctx.TryWriteUInt64(info + 16, fields.ArgOnInitialize) ||
+            !TryWriteUInt64(ctx, info + 16, fields.ArgOnInitialize) ||
-            !ctx.TryWriteUInt64(info + 24, fields.ContextAddress) ||
+            !TryWriteUInt64(ctx, info + 24, fields.ContextAddress) ||
-            !ctx.TryWriteUInt64(info + 32, fields.ContextSize) ||
+            !TryWriteUInt64(ctx, info + 32, fields.ContextSize) ||
             !TryWriteName(ctx, info + 40, fields.Name) ||
-            !ctx.TryWriteUInt64(info + 72, ulong.MaxValue))
+            !TryWriteUInt64(ctx, info + 72, ulong.MaxValue))
         {
             return SetReturn(ctx, FiberErrorInvalid);
         }
@@ -384,7 +384,7 @@ public static class FiberExports
             return SetReturn(ctx, FiberErrorNull);
         }
 
-        if (!ctx.TryReadNullTerminatedUtf8(nameAddress, MaxNameLength + 1, out var name))
+        if (!TryReadNullTerminatedUtf8(ctx, nameAddress, MaxNameLength + 1, out var name))
         {
             return SetReturn(ctx, FiberErrorInvalid);
         }
@@ -441,7 +441,7 @@ public static class FiberExports
             return SetReturn(ctx, FiberErrorPermission);
         }
 
-        return ctx.TryWriteUInt64(outAddress, ctx[CpuRegister.Rbp])
+        return TryWriteUInt64(ctx, outAddress, ctx[CpuRegister.Rbp])
             ? SetReturn(ctx, 0)
             : SetReturn(ctx, FiberErrorInvalid);
     }
@@ -482,12 +482,12 @@ public static class FiberExports
         }
 
         if (optParam != 0 &&
-            (!ctx.TryReadUInt32(optParam, out var optMagic) || optMagic != FiberOptSignature))
+            (!TryReadUInt32(ctx, optParam, out var optMagic) || optMagic != FiberOptSignature))
         {
             return SetReturn(ctx, FiberErrorInvalid);
         }
 
-        if (!ctx.TryReadNullTerminatedUtf8(nameAddress, MaxNameLength + 1, out var name))
+        if (!TryReadNullTerminatedUtf8(ctx, nameAddress, MaxNameLength + 1, out var name))
         {
             return SetReturn(ctx, FiberErrorInvalid);
         }
@@ -497,25 +497,25 @@ public static class FiberExports
             flags |= FiberFlagContextSizeCheck;
         }
 
-        if (!ctx.TryWriteUInt32(fiber + FiberMagicStartOffset, FiberSignature0) ||
+        if (!TryWriteUInt32(ctx, fiber + FiberMagicStartOffset, FiberSignature0) ||
-            !ctx.TryWriteUInt32(fiber + FiberStateOffset, FiberStateIdle) ||
+            !TryWriteUInt32(ctx, fiber + FiberStateOffset, FiberStateIdle) ||
-            !ctx.TryWriteUInt64(fiber + FiberEntryOffset, entry) ||
+            !TryWriteUInt64(ctx, fiber + FiberEntryOffset, entry) ||
-            !ctx.TryWriteUInt64(fiber + FiberArgOnInitializeOffset, argOnInitialize) ||
+            !TryWriteUInt64(ctx, fiber + FiberArgOnInitializeOffset, argOnInitialize) ||
-            !ctx.TryWriteUInt64(fiber + FiberContextAddressOffset, contextAddress) ||
+            !TryWriteUInt64(ctx, fiber + FiberContextAddressOffset, contextAddress) ||
-            !ctx.TryWriteUInt64(fiber + FiberContextSizeOffset, contextSize) ||
+            !TryWriteUInt64(ctx, fiber + FiberContextSizeOffset, contextSize) ||
             !TryWriteName(ctx, fiber + FiberNameOffset, name) ||
-            !ctx.TryWriteUInt64(fiber + FiberContextPointerOffset, 0) ||
+            !TryWriteUInt64(ctx, fiber + FiberContextPointerOffset, 0) ||
-            !ctx.TryWriteUInt32(fiber + FiberFlagsOffset, flags) ||
+            !TryWriteUInt32(ctx, fiber + FiberFlagsOffset, flags) ||
-            !ctx.TryWriteUInt64(fiber + FiberContextStartOffset, contextAddress) ||
+            !TryWriteUInt64(ctx, fiber + FiberContextStartOffset, contextAddress) ||
-            !ctx.TryWriteUInt64(fiber + FiberContextEndOffset, contextAddress == 0 ? 0 : contextAddress + contextSize) ||
+            !TryWriteUInt64(ctx, fiber + FiberContextEndOffset, contextAddress == 0 ? 0 : contextAddress + contextSize) ||
-            !ctx.TryWriteUInt32(fiber + FiberMagicEndOffset, FiberSignature1))
+            !TryWriteUInt32(ctx, fiber + FiberMagicEndOffset, FiberSignature1))
         {
             return SetReturn(ctx, FiberErrorInvalid);
         }
 
         if (contextAddress != 0)
         {
-            if (!ctx.TryWriteUInt64(contextAddress, FiberStackSignature))
+            if (!TryWriteUInt64(ctx, contextAddress, FiberStackSignature))
             {
                 return SetReturn(ctx, FiberErrorInvalid);
             }
@@ -616,9 +616,9 @@ public static class FiberExports
 
             if (previousFiber != 0)
             {
-                if (!ctx.TryReadUInt32(previousFiber + FiberStateOffset, out var previousState) ||
+                if (!TryReadUInt32(ctx, previousFiber + FiberStateOffset, out var previousState) ||
                     previousState != FiberStateRun ||
-                    !ctx.TryWriteUInt32(previousFiber + FiberStateOffset, FiberStateIdle))
+                    !TryWriteUInt32(ctx, previousFiber + FiberStateOffset, FiberStateIdle))
                 {
                     return SetReturn(ctx, FiberErrorState);
                 }
@@ -631,12 +631,12 @@ public static class FiberExports
                 _returnTargets[fiber] = new FiberReturnTarget(0, callerContinuation);
             }
 
-            if (!ctx.TryWriteUInt32(fiber + FiberStateOffset, FiberStateRun))
+            if (!TryWriteUInt32(ctx, fiber + FiberStateOffset, FiberStateRun))
             {
                 if (previousFiber != 0)
                 {
                     _continuations.TryRemove(previousFiber, out _);
-                    _ = ctx.TryWriteUInt32(previousFiber + FiberStateOffset, FiberStateRun);
+                    _ = TryWriteUInt32(ctx, previousFiber + FiberStateOffset, FiberStateRun);
                 }
                 _returnTargets.TryRemove(fiber, out _);
                 return SetReturn(ctx, FiberErrorInvalid);
@@ -673,7 +673,7 @@ public static class FiberExports
 
         var stackEnd = fields.ContextAddress + fields.ContextSize;
         var entryRsp = (stackEnd & ~15UL) - sizeof(ulong);
-        if (!ctx.TryWriteUInt64(entryRsp, 0))
+        if (!TryWriteUInt64(ctx, entryRsp, 0))
         {
             return false;
         }
@@ -708,7 +708,7 @@ public static class FiberExports
         FiberContinuation continuation,
         ulong argument) =>
         continuation.ArgOnRunAddress == 0 ||
-        ctx.TryWriteUInt64(continuation.ArgOnRunAddress, argument);
+        TryWriteUInt64(ctx, continuation.ArgOnRunAddress, argument);
 
     private static GuestCpuContinuation CaptureContinuation(
         CpuContext ctx,
@@ -779,11 +779,11 @@ public static class FiberExports
             return FiberErrorInvalid;
         }
 
-        if (!ctx.TryWriteUInt64(fiber + FiberContextAddressOffset, contextAddress) ||
+        if (!TryWriteUInt64(ctx, fiber + FiberContextAddressOffset, contextAddress) ||
-            !ctx.TryWriteUInt64(fiber + FiberContextSizeOffset, contextSize) ||
+            !TryWriteUInt64(ctx, fiber + FiberContextSizeOffset, contextSize) ||
-            !ctx.TryWriteUInt64(fiber + FiberContextStartOffset, contextAddress) ||
+            !TryWriteUInt64(ctx, fiber + FiberContextStartOffset, contextAddress) ||
-            !ctx.TryWriteUInt64(fiber + FiberContextEndOffset, contextAddress + contextSize) ||
+            !TryWriteUInt64(ctx, fiber + FiberContextEndOffset, contextAddress + contextSize) ||
-            !ctx.TryWriteUInt64(contextAddress, FiberStackSignature))
+            !TryWriteUInt64(ctx, contextAddress, FiberStackSignature))
         {
             return FiberErrorInvalid;
         }
@@ -839,8 +839,8 @@ public static class FiberExports
             return false;
         }
 
-        if (!ctx.TryReadUInt32(fiber + FiberMagicStartOffset, out var magicStart) ||
+        if (!TryReadUInt32(ctx, fiber + FiberMagicStartOffset, out var magicStart) ||
-            !ctx.TryReadUInt32(fiber + FiberMagicEndOffset, out var magicEnd) ||
+            !TryReadUInt32(ctx, fiber + FiberMagicEndOffset, out var magicEnd) ||
             magicStart != FiberSignature0 ||
             magicEnd != FiberSignature1)
         {
@@ -855,12 +855,12 @@ public static class FiberExports
     private static bool TryReadFiberFields(CpuContext ctx, ulong fiber, out FiberFields fields)
     {
         fields = default;
-        if (!ctx.TryReadUInt32(fiber + FiberStateOffset, out var state) ||
+        if (!TryReadUInt32(ctx, fiber + FiberStateOffset, out var state) ||
-            !ctx.TryReadUInt64(fiber + FiberEntryOffset, out var entry) ||
+            !TryReadUInt64(ctx, fiber + FiberEntryOffset, out var entry) ||
-            !ctx.TryReadUInt64(fiber + FiberArgOnInitializeOffset, out var argOnInitialize) ||
+            !TryReadUInt64(ctx, fiber + FiberArgOnInitializeOffset, out var argOnInitialize) ||
-            !ctx.TryReadUInt64(fiber + FiberContextAddressOffset, out var contextAddress) ||
+            !TryReadUInt64(ctx, fiber + FiberContextAddressOffset, out var contextAddress) ||
-            !ctx.TryReadUInt64(fiber + FiberContextSizeOffset, out var contextSize) ||
+            !TryReadUInt64(ctx, fiber + FiberContextSizeOffset, out var contextSize) ||
-            !ctx.TryReadUInt32(fiber + FiberFlagsOffset, out var flags) ||
+            !TryReadUInt32(ctx, fiber + FiberFlagsOffset, out var flags) ||
             !TryReadInlineName(ctx, fiber + FiberNameOffset, out var name))
         {
             return false;
@@ -898,6 +898,46 @@ public static class FiberExports
         return 0;
     }
 
+    private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
+        return true;
+    }
+
+    private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
+        return ctx.Memory.TryWrite(address, buffer);
+    }
+
+    private static bool TryReadUInt64(CpuContext ctx, ulong address, out ulong value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(ulong)];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt64LittleEndian(buffer);
+        return true;
+    }
+
+    private static bool TryWriteUInt64(CpuContext ctx, ulong address, ulong value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(ulong)];
+        BinaryPrimitives.WriteUInt64LittleEndian(buffer, value);
+        return ctx.Memory.TryWrite(address, buffer);
+    }
+
     private static bool TryWriteName(CpuContext ctx, ulong address, string name)
     {
         Span<byte> buffer = stackalloc byte[MaxNameLength + 1];
@@ -925,6 +965,31 @@ public static class FiberExports
         return true;
     }
 
+    private static bool TryReadNullTerminatedUtf8(CpuContext ctx, ulong address, int capacity, out string value)
+    {
+        var bytes = new byte[capacity];
+        for (var index = 0; index < bytes.Length; index++)
+        {
+            Span<byte> current = stackalloc byte[1];
+            if (!ctx.Memory.TryRead(address + (ulong)index, current))
+            {
+                value = string.Empty;
+                return false;
+            }
+
+            if (current[0] == 0)
+            {
+                value = Encoding.UTF8.GetString(bytes, 0, index);
+                return true;
+            }
+
+            bytes[index] = current[0];
+        }
+
+        value = Encoding.UTF8.GetString(bytes);
+        return true;
+    }
+
     private static int SetReturn(CpuContext ctx, int result)
     {
         ctx[CpuRegister.Rax] = unchecked((ulong)result);

src/SharpEmu.Libs/Kernel/KernelAprCompatExports.cs

@@ -3,6 +3,7 @@
 
 using SharpEmu.HLE;
 using SharpEmu.Libs.Ampr;
+using System.Buffers.Binary;
 using System.Collections.Concurrent;
 using System.Threading;
 
@@ -49,7 +50,7 @@ public static class KernelAprCompatExports
             return completionResult;
         }
 
-        if (outSubmissionId != 0 && !ctx.TryWriteUInt32(outSubmissionId, submissionId))
+        if (outSubmissionId != 0 && !TryWriteUInt32(ctx, outSubmissionId, submissionId))
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
@@ -140,7 +141,7 @@ public static class KernelAprCompatExports
             return completionResult;
         }
 
-        if (!ctx.TryWriteUInt32(outSubmissionId, submissionId))
+        if (!TryWriteUInt32(ctx, outSubmissionId, submissionId))
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
@@ -177,6 +178,13 @@ public static class KernelAprCompatExports
         return tag is 0x0C or 0x10;
     }
 
+    private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
+        return ctx.Memory.TryWrite(address, buffer);
+    }
+
     private static void TraceApr(
         CpuContext ctx,
         string operation,

src/SharpEmu.Libs/Kernel/KernelEventFlagCompatExports.cs

@@ -1,6 +1,7 @@
 // Copyright (C) 2026 SharpEmu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+using System.Buffers.Binary;
 using System.Collections.Concurrent;
 using System.Text;
 using SharpEmu.HLE;
@@ -54,7 +55,7 @@ public static class KernelEventFlagCompatExports
             return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        if (!ctx.TryReadNullTerminatedUtf8(nameAddress, MaxEventFlagNameLength + 1, out var name))
+        if (!TryReadNullTerminatedUtf8(ctx, nameAddress, MaxEventFlagNameLength + 1, out var name))
         {
             return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
         }
@@ -218,7 +219,7 @@ public static class KernelEventFlagCompatExports
         }
 
         uint timeoutUsec = 0;
-        if (timeoutAddress != 0 && !ctx.TryReadUInt32(timeoutAddress, out timeoutUsec))
+        if (timeoutAddress != 0 && !TryReadUInt32(ctx, timeoutAddress, out timeoutUsec))
         {
             return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
         }
@@ -233,7 +234,7 @@ public static class KernelEventFlagCompatExports
 
             if (timeoutAddress != 0)
             {
-                _ = ctx.TryWriteUInt32(timeoutAddress, 0);
+                _ = TryWriteUInt32(ctx, timeoutAddress, 0);
                 _ = TryWriteResultPattern(ctx, resultAddress, state.Bits);
                 TraceEventFlag($"wait-timeout handle=0x{handle:X16} pattern=0x{pattern:X16} timeout={timeoutUsec} ret=0x{returnRip:X16}");
                 return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT);
@@ -339,7 +340,7 @@ public static class KernelEventFlagCompatExports
         lock (state.Gate)
         {
             if (waiterCountAddress != 0 &&
-                !ctx.TryWriteUInt32(waiterCountAddress, unchecked((uint)state.WaitingThreads)))
+                !TryWriteUInt32(ctx, waiterCountAddress, unchecked((uint)state.WaitingThreads)))
             {
                 return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
             }
@@ -452,6 +453,77 @@ public static class KernelEventFlagCompatExports
     private static bool TryWriteResultPattern(CpuContext ctx, ulong address, ulong bits) =>
         address == 0 || ctx.TryWriteUInt64(address, bits);
 
+    private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
+        return true;
+    }
+
+    private static bool TryReadUInt64(CpuContext ctx, ulong address, out ulong value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(ulong)];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt64LittleEndian(buffer);
+        return true;
+    }
+
+    private static bool TryReadByte(CpuContext ctx, ulong address, out byte value)
+    {
+        Span<byte> buffer = stackalloc byte[1];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = buffer[0];
+        return true;
+    }
+
+    private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
+        return ctx.Memory.TryWrite(address, buffer);
+    }
+
+    private static bool TryReadNullTerminatedUtf8(CpuContext ctx, ulong address, int capacity, out string value)
+    {
+        var bytes = new byte[capacity];
+        for (var index = 0; index < bytes.Length; index++)
+        {
+            Span<byte> current = stackalloc byte[1];
+            if (!ctx.Memory.TryRead(address + (ulong)index, current))
+            {
+                value = string.Empty;
+                return false;
+            }
+
+            if (current[0] == 0)
+            {
+                value = Encoding.UTF8.GetString(bytes, 0, index);
+                return true;
+            }
+
+            bytes[index] = current[0];
+        }
+
+        value = Encoding.UTF8.GetString(bytes);
+        return true;
+    }
+
     private static int SetReturn(CpuContext ctx, OrbisGen2Result result)
     {
         var value = (int)result;
@@ -542,7 +614,7 @@ public static class KernelEventFlagCompatExports
 
     private static void AppendByte(StringBuilder builder, CpuContext ctx, ulong address, string name)
     {
-        if (ctx.TryReadByte(address, out var value))
+        if (TryReadByte(ctx, address, out var value))
         {
             builder.Append($" {name}=0x{value:X2}");
         }
@@ -550,7 +622,7 @@ public static class KernelEventFlagCompatExports
 
     private static void AppendUInt32(StringBuilder builder, CpuContext ctx, ulong address, string name)
     {
-        if (ctx.TryReadUInt32(address, out var value))
+        if (TryReadUInt32(ctx, address, out var value))
         {
             builder.Append($" {name}=0x{value:X8}");
         }
@@ -558,7 +630,7 @@ public static class KernelEventFlagCompatExports
 
     private static void AppendUInt64(StringBuilder builder, CpuContext ctx, ulong address, string name)
     {
-        if (ctx.TryReadUInt64(address, out var value))
+        if (TryReadUInt64(ctx, address, out var value))
         {
             builder.Append($" {name}=0x{value:X16}");
         }

src/SharpEmu.Libs/Kernel/KernelEventQueueCompatExports.cs

@@ -276,24 +276,8 @@ public static class KernelEventQueueCompatExports
         var outCountAddress = ctx[CpuRegister.Rcx];
         var timeoutAddress = ctx[CpuRegister.R8];
 
-        if (!IsValidEqueue(handle))
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
-        }
-
-        if (eventsAddress == 0 || eventCapacity < 1)
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
-        }
-
-        uint timeoutUsec = 0;
-        if (timeoutAddress != 0 && !ctx.TryReadUInt32(timeoutAddress, out timeoutUsec))
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
-        }
-
         var deliveredCount = DequeueEvents(ctx, handle, eventsAddress, eventCapacity);
-        if (outCountAddress != 0 && !ctx.TryWriteUInt32(outCountAddress, (uint)deliveredCount))
+        if (outCountAddress != 0 && !TryWriteUInt32(ctx, outCountAddress, (uint)deliveredCount))
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
@@ -316,41 +300,6 @@ public static class KernelEventQueueCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_OK;
         }
 
-        if (timeoutAddress != 0 && ctx.TryReadUInt64(timeoutAddress, out var timeoutRaw))
-        {
-            var timeoutMicros = timeoutRaw & 0xFFFF_FFFFUL;
-            var deadline = Environment.TickCount64 +
-                Math.Max(1L, (long)Math.Min(timeoutMicros / 1000, int.MaxValue));
-            lock (_eventQueueGate)
-            {
-                while (!HasPendingEvents(handle))
-                {
-                    var remaining = deadline - Environment.TickCount64;
-                    if (remaining <= 0)
-                    {
-                        break;
-                    }
-
-                    Monitor.Wait(_eventQueueGate, (int)Math.Min(remaining, 100));
-                }
-            }
-
-            deliveredCount = DequeueEvents(ctx, handle, eventsAddress, eventCapacity);
-            if (outCountAddress != 0 && !ctx.TryWriteUInt32(outCountAddress, (uint)deliveredCount))
-            {
-                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
-            }
-
-            if (deliveredCount > 0)
-            {
-                TraceEventQueue(ctx, "wait-timed-deliver", handle);
-                return (int)OrbisGen2Result.ORBIS_GEN2_OK;
-            }
-
-            TraceEventQueue(ctx, "wait-timeout", handle);
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
-        }
-
         TraceEventQueue(ctx, "wait", handle);
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
@@ -381,7 +330,6 @@ public static class KernelEventQueueCompatExports
 
             queue.AddLast(queuedEvent);
             queued = true;
-            Monitor.PulseAll(_eventQueueGate);
         }
 
         if (queued)
@@ -541,14 +489,12 @@ public static class KernelEventQueueCompatExports
         ulong outCountAddress)
     {
         var deliveredCount = DequeueEvents(ctx, handle, eventsAddress, eventCapacity);
-        if (outCountAddress != 0 && !ctx.TryWriteUInt32(outCountAddress, (uint)deliveredCount))
+        if (outCountAddress != 0 && !TryWriteUInt32(ctx, outCountAddress, (uint)deliveredCount))
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
 
-        return deliveredCount > 0
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
-            ? (int)OrbisGen2Result.ORBIS_GEN2_OK
-            : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT;
     }
 
     private static bool HasPendingEvents(ulong handle)
@@ -654,8 +600,16 @@ public static class KernelEventQueueCompatExports
             return;
         }
 
-        _ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out ulong returnRip);
+        var returnRip = 0UL;
+        _ = ctx.TryReadUInt64(ctx[CpuRegister.Rsp], out returnRip);
         Console.Error.WriteLine(
             $"[LOADER][TRACE] equeue.{operation}: handle=0x{handle:X16} rsi=0x{ctx[CpuRegister.Rsi]:X16} rdx=0x{ctx[CpuRegister.Rdx]:X16} ret=0x{returnRip:X16}");
     }
+
+    private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
+        return ctx.Memory.TryWrite(address, buffer);
+    }
 }

src/SharpEmu.Libs/Kernel/KernelExceptionCompatExports.cs

@@ -1,65 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using SharpEmu.HLE;
-
-namespace SharpEmu.Libs.Kernel;
-
-public static class KernelExceptionCompatExports
-{
-    private static readonly HashSet<int> AllowedSignals = new() { 1, 4, 8, 10, 11, 30 };
-    private static readonly Dictionary<int, ulong> _installedHandlers = new();
-    private static readonly object _gate = new();
-
-    [SysAbiExport(
-        Nid = "WkwEd3N7w0Y",
-        ExportName = "sceKernelInstallExceptionHandler",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int InstallExceptionHandler(CpuContext ctx)
-    {
-        var signum = unchecked((int)ctx[CpuRegister.Rdi]);
-        var handler = ctx[CpuRegister.Rsi];
-
-        if (!AllowedSignals.Contains(signum))
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
-        }
-
-        lock (_gate)
-        {
-            if (_installedHandlers.ContainsKey(signum))
-            {
-                return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_ALREADY_EXISTS;
-            }
-
-            _installedHandlers[signum] = handler;
-        }
-
-        ctx[CpuRegister.Rax] = 0;
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
-    }
-
-    [SysAbiExport(
-        Nid = "Qhv5ARAoOEc",
-        ExportName = "sceKernelRemoveExceptionHandler",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int RemoveExceptionHandler(CpuContext ctx)
-    {
-        var signum = unchecked((int)ctx[CpuRegister.Rdi]);
-
-        if (!AllowedSignals.Contains(signum))
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
-        }
-
-        lock (_gate)
-        {
-            _installedHandlers.Remove(signum);
-        }
-
-        ctx[CpuRegister.Rax] = 0;
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
-    }
-}

src/SharpEmu.Libs/Kernel/KernelExports.cs

@@ -365,13 +365,6 @@ public static class KernelExports
         LibraryName = "libKernel")]
     public static int KernelOpen(CpuContext ctx) => KernelMemoryCompatExports.KernelOpenUnderscore(ctx);
 
-    [SysAbiExport(
-        Nid = "mqQMh1zPPT8",
-        ExportName = "fstat",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libc")]
-    public static int Fstat(CpuContext ctx) => KernelMemoryCompatExports.KernelFstat(ctx);
-
     [SysAbiExport(
         Nid = "hcuQgD53UxM",
         ExportName = "printf",

src/SharpEmu.Libs/Kernel/KernelMemoryCompatExports.cs

@@ -5,9 +5,11 @@ using SharpEmu.HLE;
 using SharpEmu.Libs.Ampr;
 using System.Buffers;
 using System.Buffers.Binary;
-using System.Collections.Concurrent;
 using System.Text;
+using System.Threading;
+using System.Reflection;
 using System.Runtime.InteropServices;
+using System.Linq;
 using System.Globalization;
 
 namespace SharpEmu.Libs.Kernel;
@@ -106,7 +108,6 @@ public static class KernelMemoryCompatExports
     private static readonly Dictionary<string, string> _guestMounts = new(StringComparer.OrdinalIgnoreCase);
     private static readonly HashSet<string> _tracedStatResults = new(StringComparer.Ordinal);
     private static readonly HashSet<string> _negativeStatCache = new(StringComparer.OrdinalIgnoreCase);
-    private static readonly ConcurrentDictionary<string, ulong> _aprFileSizeCache = new(StringComparer.OrdinalIgnoreCase);
     private static long _nextFileDescriptor = 2;
     private static ulong _nextPhysicalAddress;
     private static ulong _nextVirtualAddress;
@@ -1341,7 +1342,6 @@ public static class KernelMemoryCompatExports
             if (IsMutatingOpen(flags))
             {
                 InvalidateNegativeStatCacheForPathAndAncestors(guestPath);
-                InvalidateAprFileSizeCache(hostPath);
             }
 
             LogOpenTrace($"_open file path='{guestPath}' host='{hostPath}' flags=0x{flags:X8} fd={fd}");
@@ -1550,7 +1550,6 @@ public static class KernelMemoryCompatExports
 
             File.Delete(hostPath);
             InvalidateNegativeStatCacheForPathAndAncestors(guestPath);
-            InvalidateAprFileSizeCache(hostPath);
             AddNegativeStatCacheForGuestPath(guestPath);
             LogOpenTrace($"unlink path='{guestPath}' host='{hostPath}'");
             ctx[CpuRegister.Rax] = 0;
@@ -2529,17 +2528,6 @@ public static class KernelMemoryCompatExports
             if (fixedMapping && requestedAddress != 0)
             {
                 mappedAddress = requestedAddress;
-                reserved = IsGuestRangeBacked(ctx, requestedAddress, length);
-                if (!reserved)
-                {
-                    TryReserveExactGuestVirtualRange(ctx, requestedAddress, length, protection);
-                    reserved = IsGuestRangeBacked(ctx, requestedAddress, length);
-                }
-
-                if (!reserved)
-                {
-                    mappedAddress = 0;
-                }
             }
             else
             {
@@ -2550,7 +2538,7 @@ public static class KernelMemoryCompatExports
                 Console.Error.WriteLine(
                     $"[LOADER][TRACE] map_direct reserve: requested=0x{requestedAddress:X16} desired=0x{desiredAddress:X16} reserved={reserved} mapped=0x{mappedAddress:X16}");
             }
-            if (!reserved && !fixedMapping)
+            if (!reserved)
             {
                 if (mappedAddress == 0)
                 {
@@ -2608,11 +2596,8 @@ public static class KernelMemoryCompatExports
         var length = ctx[CpuRegister.Rsi];
         var protection = unchecked((int)ctx[CpuRegister.Rdx]);
         var flags = ctx[CpuRegister.Rcx];
-        if (ShouldTraceDirectMemory())
+        Console.Error.WriteLine(
-        {
+            $"[LOADER][TRACE] map_flexible: inout=0x{inOutAddressPointer:X16} len=0x{length:X16} prot=0x{protection:X8} flags=0x{flags:X16}");
-            Console.Error.WriteLine(
-                $"[LOADER][TRACE] map_flexible: inout=0x{inOutAddressPointer:X16} len=0x{length:X16} prot=0x{protection:X8} flags=0x{flags:X16}");
-        }
         if (inOutAddressPointer == 0 || length == 0)
         {
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
@@ -2634,25 +2619,16 @@ public static class KernelMemoryCompatExports
             if (fixedMapping && requestedAddress != 0)
             {
                 mappedAddress = requestedAddress;
-                if (!IsGuestRangeBacked(ctx, requestedAddress, length))
-                {
-                    TryReserveExactGuestVirtualRange(ctx, requestedAddress, length, protection);
-                    if (!IsGuestRangeBacked(ctx, requestedAddress, length))
-                    {
-                        mappedAddress = 0;
-                    }
-                }
             }
             else if (!TryReserveGuestVirtualRange(ctx, desiredAddress, length, protection, OrbisPageSize, out mappedAddress))
             {
-                mappedAddress = AllocateMappedGuestAddress(ctx, length, 0x1000UL);
+                mappedAddress = requestedAddress != 0 && fixedMapping
+                    ? requestedAddress
+                    : AllocateMappedGuestAddress(ctx, length, 0x1000UL);
             }
 
-            if (ShouldTraceDirectMemory())
+            Console.Error.WriteLine(
-            {
+                $"[LOADER][TRACE] map_flexible reserve: requested=0x{requestedAddress:X16} desired=0x{desiredAddress:X16} mapped=0x{mappedAddress:X16}");
-                Console.Error.WriteLine(
-                    $"[LOADER][TRACE] map_flexible reserve: requested=0x{requestedAddress:X16} desired=0x{desiredAddress:X16} mapped=0x{mappedAddress:X16}");
-            }
 
             if (mappedAddress == 0)
             {
@@ -3997,48 +3973,118 @@ public static class KernelMemoryCompatExports
         ulong alignment,
         out ulong mappedAddress)
     {
-        var executable = (protection & OrbisProtCpuExec) != 0;
+        mappedAddress = 0;
-        return KernelVirtualRangeAllocator.TryReserve(
+        if (length == 0)
-            ctx,
-            desiredAddress,
-            length,
-            executable,
-            alignment,
-            allowSearch: true,
-            allowAllocateAtAlternative: false,
-            "reserve range",
-            out mappedAddress);
-    }
-
-    private static bool TryReserveExactGuestVirtualRange(
-        CpuContext ctx,
-        ulong desiredAddress,
-        ulong length,
-        int protection)
-    {
-        var executable = (protection & OrbisProtCpuExec) != 0;
-        return KernelVirtualRangeAllocator.TryReserve(
-            ctx,
-            desiredAddress,
-            length,
-            executable,
-            alignment: 0,
-            allowSearch: false,
-            allowAllocateAtAlternative: false,
-            "reserve fixed range",
-            out _);
-    }
-
-    private static bool IsGuestRangeBacked(CpuContext ctx, ulong address, ulong length)
-    {
-        if (address == 0 || length == 0 || ulong.MaxValue - address < length - 1)
         {
             return false;
         }
 
-        Span<byte> probe = stackalloc byte[1];
+        try
-        return ctx.Memory.TryRead(address, probe) &&
+        {
-               ctx.Memory.TryRead(address + length - 1, probe);
+            object memoryObject = ctx.Memory;
+            MethodInfo? allocateAt = null;
+            MethodInfo? allocateAtOrAbove = null;
+            var allocateAtHasAllowAlternativeArg = false;
+            for (var depth = 0; depth < 4; depth++)
+            {
+                foreach (var candidate in memoryObject.GetType().GetMethods(BindingFlags.Public | BindingFlags.Instance))
+                {
+                    var parameters = candidate.GetParameters();
+                    if (string.Equals(candidate.Name, "TryAllocateAtOrAbove", StringComparison.Ordinal) &&
+                        parameters.Length == 5 &&
+                        parameters[0].ParameterType == typeof(ulong) &&
+                        parameters[1].ParameterType == typeof(ulong) &&
+                        parameters[2].ParameterType == typeof(bool) &&
+                        parameters[3].ParameterType == typeof(ulong) &&
+                        parameters[4].ParameterType == typeof(ulong).MakeByRefType())
+                    {
+                        allocateAtOrAbove = candidate;
+                    }
+                    else if (string.Equals(candidate.Name, "AllocateAt", StringComparison.Ordinal))
+                    {
+                        if (parameters.Length == 3 &&
+                            parameters[0].ParameterType == typeof(ulong) &&
+                            parameters[1].ParameterType == typeof(ulong) &&
+                            parameters[2].ParameterType == typeof(bool))
+                        {
+                            allocateAt = candidate;
+                            allocateAtHasAllowAlternativeArg = false;
+                        }
+                        else if (parameters.Length == 4 &&
+                            parameters[0].ParameterType == typeof(ulong) &&
+                            parameters[1].ParameterType == typeof(ulong) &&
+                            parameters[2].ParameterType == typeof(bool) &&
+                            parameters[3].ParameterType == typeof(bool))
+                        {
+                            allocateAt = candidate;
+                            allocateAtHasAllowAlternativeArg = true;
+                        }
+                    }
+
+                    if (allocateAtOrAbove is not null && allocateAt is not null)
+                    {
+                        break;
+                    }
+                }
+
+                if (allocateAtOrAbove is not null || allocateAt is not null)
+                {
+                    break;
+                }
+
+                var innerProperty = memoryObject.GetType().GetProperty("Inner", BindingFlags.Public | BindingFlags.Instance);
+                if (innerProperty is null)
+                {
+                    break;
+                }
+
+                var innerValue = innerProperty.GetValue(memoryObject);
+                if (innerValue is null || ReferenceEquals(innerValue, memoryObject))
+                {
+                    break;
+                }
+
+                memoryObject = innerValue;
+            }
+
+            var executable = (protection & OrbisProtCpuExec) != 0;
+            if (allocateAtOrAbove is not null)
+            {
+                var searchArgs = new object[] { desiredAddress, length, executable, alignment, 0UL };
+                var searchResult = allocateAtOrAbove.Invoke(memoryObject, searchArgs);
+                if (searchResult is bool trueValue && trueValue &&
+                    searchArgs[4] is ulong searchedAddress && searchedAddress != 0)
+                {
+                    mappedAddress = searchedAddress;
+                    return true;
+                }
+            }
+
+            if (allocateAt is null)
+            {
+                Console.Error.WriteLine($"[LOADER][TRACE] reserve range: AllocateAt missing on {ctx.Memory.GetType().FullName}");
+                return false;
+            }
+
+            var invokeArgs = allocateAtHasAllowAlternativeArg
+                ? new object[] { desiredAddress, length, executable, false }
+                : new object[] { desiredAddress, length, executable };
+            var result = allocateAt.Invoke(memoryObject, invokeArgs);
+            if (result is not ulong allocated || allocated == 0)
+            {
+                var resultType = result?.GetType().FullName ?? "null";
+                Console.Error.WriteLine($"[LOADER][TRACE] reserve range: AllocateAt returned {resultType} value={result ?? "null"}");
+                return false;
+            }
+
+            mappedAddress = allocated;
+            return true;
+        }
+        catch
+        {
+            Console.Error.WriteLine("[LOADER][TRACE] reserve range threw while invoking AllocateAt");
+            return false;
+        }
     }
 
     private static bool IsMappedGuestRangeAvailable(
@@ -4191,20 +4237,6 @@ public static class KernelMemoryCompatExports
         var app0Root = ResolveApp0Root();
         if (!string.IsNullOrWhiteSpace(app0Root))
         {
-            if (string.Equals(guestPath, "$", StringComparison.Ordinal) ||
-                string.Equals(guestPath, "$/", StringComparison.Ordinal) ||
-                string.Equals(guestPath, "$\\", StringComparison.Ordinal))
-            {
-                return app0Root;
-            }
-
-            if (guestPath.StartsWith("$/", StringComparison.Ordinal) ||
-                guestPath.StartsWith("$\\", StringComparison.Ordinal))
-            {
-                var relative = NormalizeMountRelativePath(guestPath[2..]);
-                return Path.Combine(app0Root, relative);
-            }
-
             if (string.Equals(guestPath, "/app0", StringComparison.OrdinalIgnoreCase) ||
                 string.Equals(guestPath, "app0", StringComparison.OrdinalIgnoreCase))
             {
@@ -4525,7 +4557,7 @@ public static class KernelMemoryCompatExports
                 continue;
             }
 
-            var one = chunk.AsSpan(0, 1);
+            Span<byte> one = stackalloc byte[1];
             if (!TryReadCompat(ctx, current, one))
             {
                 return false;
@@ -5867,40 +5899,22 @@ public static class KernelMemoryCompatExports
     private static bool TryGetAprFileSize(string hostPath, out ulong size)
     {
         size = 0;
-
-        string cachePath;
         try
         {
-            cachePath = Path.GetFullPath(hostPath);
+            var fileInfo = new FileInfo(hostPath);
-        }
-        catch
-        {
-            cachePath = hostPath;
-        }
-
-        if (_aprFileSizeCache.TryGetValue(cachePath, out size))
-        {
-            return true;
-        }
-
-        try
-        {
-            var fileInfo = new FileInfo(cachePath);
             if (fileInfo.Exists)
             {
                 var length = fileInfo.Length;
                 size = length < 0 ? 0UL : unchecked((ulong)length);
-                _aprFileSizeCache.TryAdd(cachePath, size);
                 return true;
             }
 
-            if (!new DirectoryInfo(cachePath).Exists)
+            if (!new DirectoryInfo(hostPath).Exists)
             {
                 return false;
             }
 
             size = 65536;
-            _aprFileSizeCache.TryAdd(cachePath, size);
             return true;
         }
         catch
@@ -6199,20 +6213,6 @@ public static class KernelMemoryCompatExports
         }
     }
 
-    private static void InvalidateAprFileSizeCache(string hostPath)
-    {
-        try
-        {
-            hostPath = Path.GetFullPath(hostPath);
-        }
-        catch
-        {
-            // The cache key remains the original path when normalization fails.
-        }
-
-        _aprFileSizeCache.TryRemove(hostPath, out _);
-    }
-
     private static string PreviewIoBytes(byte[] buffer, int count, int maxBytes)
     {
         if (count <= 0)

src/SharpEmu.Libs/Kernel/KernelPthreadCompatExports.cs

@@ -95,13 +95,6 @@ public static class KernelPthreadCompatExports
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 
-    [SysAbiExport(
-        Nid = "7Xl257M4VNI",
-        ExportName = "pthread_equal",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libc")]
-    public static int PosixPthreadEqual(CpuContext ctx) => PthreadEqual(ctx);
-
     [SysAbiExport(
         Nid = "T72hz6ffq08",
         ExportName = "scePthreadYield",
@@ -1018,12 +1011,19 @@ public static class KernelPthreadCompatExports
     }
 
     private static bool InitializeMutexObject(CpuContext ctx, ulong address, PthreadMutexState state) =>
-        ctx.TryWriteUInt32(address + 0x20, unchecked((uint)state.Type)) &&
+        TryWriteUInt32(ctx, address + 0x20, unchecked((uint)state.Type)) &&
-        ctx.TryWriteUInt32(address + 0x3C, unchecked((uint)state.Protocol));
+        TryWriteUInt32(ctx, address + 0x3C, unchecked((uint)state.Protocol));
 
     private static bool WriteMutexAttrObject(CpuContext ctx, ulong address, PthreadMutexAttrState state) =>
-        ctx.TryWriteUInt32(address, unchecked((uint)state.Type)) &&
+        TryWriteUInt32(ctx, address, unchecked((uint)state.Type)) &&
-        ctx.TryWriteUInt32(address + 4, unchecked((uint)state.Protocol));
+        TryWriteUInt32(ctx, address + 4, unchecked((uint)state.Protocol));
+
+    private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
+    {
+        Span<byte> bytes = stackalloc byte[sizeof(uint)];
+        BitConverter.TryWriteBytes(bytes, value);
+        return ctx.Memory.TryWrite(address, bytes);
+    }
 
     private static int PthreadCondInitCore(CpuContext ctx, ulong condAddress)
     {

src/SharpEmu.Libs/Kernel/KernelPthreadExtendedCompatExports.cs

@@ -22,7 +22,6 @@ public static class KernelPthreadExtendedCompatExports
     private const int DefaultSchedPriority = DefaultThreadPriority;
     private const ulong SyntheticRwlockHandleBase = 0x00006003_0000_0000;
     private const ulong SyntheticPthreadAttrHandleBase = 0x00006004_0000_0000;
-    private const ulong SyntheticRwlockAttrHandleBase = 0x00006005_0000_0000;
 
     private static readonly object _stateGate = new();
     private static readonly Dictionary<ulong, ThreadState> _threadStates = new();
@@ -32,7 +31,6 @@ public static class KernelPthreadExtendedCompatExports
     private static int _nextTlsKey = 1;
     private static long _nextSyntheticRwlockHandleId = 1;
     private static long _nextSyntheticPthreadAttrHandleId = 1;
-    private static long _nextSyntheticRwlockAttrHandleId = 1;
 
     private static readonly ConcurrentDictionary<ulong, ConcurrentDictionary<int, ulong>> _threadLocalSpecific = new();
 
@@ -841,37 +839,6 @@ public static class KernelPthreadExtendedCompatExports
         return PthreadAttrSetstacksize(ctx);
     }
 
-    [SysAbiExport(
-        Nid = "Bvn74vj6oLo",
-        ExportName = "scePthreadAttrSetstack",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int PthreadAttrSetstack(CpuContext ctx)
-    {
-        var attrAddress = ctx[CpuRegister.Rdi];
-        var stackAddress = ctx[CpuRegister.Rsi];
-        var stackSize = ctx[CpuRegister.Rdx];
-        if (attrAddress == 0 || stackAddress == 0 || stackSize == 0)
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
-        }
-
-        var resolvedAddress = ResolvePthreadAttrHandle(ctx, attrAddress);
-        lock (_stateGate)
-        {
-            var state = GetOrCreateAttrStateLocked(resolvedAddress);
-            var updated = state with { StackAddress = stackAddress, StackSize = stackSize };
-            _attrStates[resolvedAddress] = updated;
-            if (resolvedAddress != attrAddress)
-            {
-                _attrStates[attrAddress] = updated;
-            }
-        }
-
-        ctx[CpuRegister.Rax] = 0;
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
-    }
-
     [SysAbiExport(
         Nid = "6ULAa0fq4jA",
         ExportName = "scePthreadRwlockInit",
@@ -1049,47 +1016,6 @@ public static class KernelPthreadExtendedCompatExports
         LibraryName = "libKernel")]
     public static int PosixPthreadRwlockUnlock(CpuContext ctx) => PthreadRwlockUnlock(ctx);
 
-    [SysAbiExport(
-        Nid = "yOfGg-I1ZII",
-        ExportName = "scePthreadRwlockattrInit",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int PthreadRwlockattrInit(CpuContext ctx)
-    {
-        var attrAddress = ctx[CpuRegister.Rdi];
-        if (attrAddress == 0)
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
-        }
-
-        var syntheticHandle = AllocateSyntheticHandle(SyntheticRwlockAttrHandleBase, ref _nextSyntheticRwlockAttrHandleId);
-        if (!KernelMemoryCompatExports.TryWriteUInt64Compat(ctx, attrAddress, syntheticHandle))
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
-        }
-
-        ctx[CpuRegister.Rax] = 0;
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
-    }
-
-    [SysAbiExport(
-        Nid = "i2ifZ3fS2fo",
-        ExportName = "scePthreadRwlockattrDestroy",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libKernel")]
-    public static int PthreadRwlockattrDestroy(CpuContext ctx)
-    {
-        var attrAddress = ctx[CpuRegister.Rdi];
-        if (attrAddress == 0)
-        {
-            return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT;
-        }
-
-        _ = KernelMemoryCompatExports.TryWriteUInt64Compat(ctx, attrAddress, 0);
-        ctx[CpuRegister.Rax] = 0;
-        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
-    }
-
     [SysAbiExport(
         Nid = "mqULNdimTn0",
         ExportName = "pthread_key_create",
@@ -1119,7 +1045,7 @@ public static class KernelPthreadExtendedCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
 
-        ctx[CpuRegister.Rax] = 0;
+        ctx[CpuRegister.Rax] = unchecked((uint)key);
         return (int)OrbisGen2Result.ORBIS_GEN2_OK;
     }
 

src/SharpEmu.Libs/Kernel/KernelRuntimeCompatExports.cs

@@ -7,6 +7,7 @@ using System.Buffers.Binary;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Runtime.Intrinsics.X86;
 using System.Security.Cryptography;
@@ -86,11 +87,11 @@ public static class KernelRuntimeCompatExports
 
         if (micros < 1000)
         {
-            // Guest worker pools use usleep(1) as a polling backoff. Do not turn
+            // Guest worker pools use usleep(1) as a polling backoff. Periodically
-            // PS microsecond waits into Windows millisecond sleeps on hot paths.
+            // relinquish a full host time slice so spin workers cannot starve producers.
-            if ((++_shortUsleepCount & 255) == 0)
+            if ((++_shortUsleepCount & 31) == 0)
             {
-                Thread.Sleep(0);
+                Thread.Sleep(1);
             }
             else
             {
@@ -738,11 +739,8 @@ public static class KernelRuntimeCompatExports
             return (int)OrbisGen2Result.ORBIS_GEN2_ERROR_NOT_FOUND;
         }
 
-        if (ShouldTraceVirtualMemory())
+        Console.Error.WriteLine(
-        {
+            $"[LOADER][TRACE] reserve_virtual_range: req=0x{requestedAddress:X16} desired=0x{desiredAddress:X16} mapped=0x{mappedAddress:X16} len=0x{length:X16} flags=0x{flags:X8} align=0x{effectiveAlignment:X16}");
-            Console.Error.WriteLine(
-                $"[LOADER][TRACE] reserve_virtual_range: req=0x{requestedAddress:X16} desired=0x{desiredAddress:X16} mapped=0x{mappedAddress:X16} len=0x{length:X16} flags=0x{flags:X8} align=0x{effectiveAlignment:X16}");
-        }
 
         if (!ctx.TryWriteUInt64(inOutAddressPointer, mappedAddress))
         {
@@ -1735,16 +1733,117 @@ public static class KernelRuntimeCompatExports
         bool allowSearch,
         out ulong mappedAddress)
     {
-        return KernelVirtualRangeAllocator.TryReserve(
+        mappedAddress = 0;
-            ctx,
+        if (length == 0)
-            desiredAddress,
+        {
-            length,
+            return false;
-            executable: false,
+        }
-            alignment,
+
-            allowSearch,
+        try
-            allowAllocateAtAlternative: allowSearch,
+        {
-            "reserve_virtual_range",
+            object memoryObject = ctx.Memory;
-            out mappedAddress);
+            MethodInfo? allocateAt = null;
+            MethodInfo? allocateAtOrAbove = null;
+            var allocateAtHasAllowAlternativeArg = false;
+            for (var depth = 0; depth < 4; depth++)
+            {
+                foreach (var candidate in memoryObject.GetType().GetMethods(BindingFlags.Public | BindingFlags.Instance))
+                {
+                    var parameters = candidate.GetParameters();
+                    if (string.Equals(candidate.Name, "TryAllocateAtOrAbove", StringComparison.Ordinal) &&
+                        parameters.Length == 5 &&
+                        parameters[0].ParameterType == typeof(ulong) &&
+                        parameters[1].ParameterType == typeof(ulong) &&
+                        parameters[2].ParameterType == typeof(bool) &&
+                        parameters[3].ParameterType == typeof(ulong) &&
+                        parameters[4].ParameterType == typeof(ulong).MakeByRefType())
+                    {
+                        allocateAtOrAbove = candidate;
+                    }
+                    else if (string.Equals(candidate.Name, "AllocateAt", StringComparison.Ordinal))
+                    {
+                        if (parameters.Length == 3 &&
+                            parameters[0].ParameterType == typeof(ulong) &&
+                            parameters[1].ParameterType == typeof(ulong) &&
+                            parameters[2].ParameterType == typeof(bool))
+                        {
+                            allocateAt = candidate;
+                            allocateAtHasAllowAlternativeArg = false;
+                        }
+                        else if (parameters.Length == 4 &&
+                            parameters[0].ParameterType == typeof(ulong) &&
+                            parameters[1].ParameterType == typeof(ulong) &&
+                            parameters[2].ParameterType == typeof(bool) &&
+                            parameters[3].ParameterType == typeof(bool))
+                        {
+                            allocateAt = candidate;
+                            allocateAtHasAllowAlternativeArg = true;
+                        }
+                    }
+
+                    if (allocateAtOrAbove is not null && allocateAt is not null)
+                    {
+                        break;
+                    }
+                }
+
+                if (allocateAtOrAbove is not null || allocateAt is not null)
+                {
+                    break;
+                }
+
+                var innerProperty = memoryObject.GetType().GetProperty("Inner", BindingFlags.Public | BindingFlags.Instance);
+                if (innerProperty is null)
+                {
+                    break;
+                }
+
+                var innerValue = innerProperty.GetValue(memoryObject);
+                if (innerValue is null || ReferenceEquals(innerValue, memoryObject))
+                {
+                    break;
+                }
+
+                memoryObject = innerValue;
+            }
+
+            if (allowSearch && allocateAtOrAbove is not null)
+            {
+                var searchArgs = new object[] { desiredAddress, length, false, alignment, 0UL };
+                var searchResult = allocateAtOrAbove.Invoke(memoryObject, searchArgs);
+                if (searchResult is bool trueValue && trueValue &&
+                    searchArgs[4] is ulong searchedAddress && searchedAddress != 0)
+                {
+                    mappedAddress = searchedAddress;
+                    return true;
+                }
+            }
+
+            if (allocateAt is null)
+            {
+                Console.Error.WriteLine($"[LOADER][TRACE] reserve_virtual_range: AllocateAt missing on {ctx.Memory.GetType().FullName}");
+                return false;
+            }
+
+            var invokeArgs = allocateAtHasAllowAlternativeArg
+                ? new object[] { desiredAddress, length, false, allowSearch }
+                : new object[] { desiredAddress, length, false };
+            var result = allocateAt.Invoke(memoryObject, invokeArgs);
+            if (result is not ulong allocated || allocated == 0)
+            {
+                var resultType = result?.GetType().FullName ?? "null";
+                Console.Error.WriteLine($"[LOADER][TRACE] reserve_virtual_range: AllocateAt returned {resultType} value={result ?? "null"}");
+                return false;
+            }
+
+            mappedAddress = allocated;
+            return true;
+        }
+        catch
+        {
+            Console.Error.WriteLine("[LOADER][TRACE] reserve_virtual_range: AllocateAt invocation threw");
+            return false;
+        }
     }
 
     private static ulong AlignUp(ulong value, ulong alignment)
@@ -1757,9 +1856,4 @@ public static class KernelRuntimeCompatExports
         var mask = alignment - 1;
         return (value + mask) & ~mask;
     }
-
-    private static bool ShouldTraceVirtualMemory()
-    {
-        return string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_VIRTUAL_MEMORY"), "1", StringComparison.Ordinal);
-    }
 }

src/SharpEmu.Libs/Kernel/KernelSemaphoreCompatExports.cs

@@ -1,7 +1,9 @@
 // Copyright (C) 2026 SharpEmu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+using System.Buffers.Binary;
 using System.Collections.Concurrent;
+using System.Text;
 using SharpEmu.HLE;
 
 namespace SharpEmu.Libs.Kernel;
@@ -47,7 +49,7 @@ public static class KernelSemaphoreCompatExports
             return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
         }
 
-        if (!ctx.TryReadNullTerminatedUtf8(nameAddress, MaxSemaphoreNameLength, out var name))
+        if (!TryReadNullTerminatedUtf8(ctx, nameAddress, MaxSemaphoreNameLength, out var name))
         {
             return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
         }
@@ -66,7 +68,7 @@ public static class KernelSemaphoreCompatExports
             Count = initialCount,
         };
 
-        if (!ctx.TryWriteUInt32(semaphoreAddress, handle))
+        if (!TryWriteUInt32(ctx, semaphoreAddress, handle))
         {
             _semaphores.TryRemove(handle, out _);
             return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
@@ -108,12 +110,12 @@ public static class KernelSemaphoreCompatExports
 
             if (timeoutAddress != 0)
             {
-                if (!ctx.TryReadUInt32(timeoutAddress, out _))
+                if (!TryReadUInt32(ctx, timeoutAddress, out _))
                 {
                     return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
                 }
 
-                _ = ctx.TryWriteUInt32(timeoutAddress, 0);
+                _ = TryWriteUInt32(ctx, timeoutAddress, 0);
                 TraceSemaphore($"wait-timeout handle=0x{handle:X8} name='{semaphore.Name}' need={needCount} count={semaphore.Count}");
                 return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_TIMED_OUT);
             }
@@ -220,7 +222,7 @@ public static class KernelSemaphoreCompatExports
 
         lock (semaphore.Gate)
         {
-            if (waitingThreadsAddress != 0 && !ctx.TryWriteUInt32(waitingThreadsAddress, unchecked((uint)semaphore.WaitingThreads)))
+            if (waitingThreadsAddress != 0 && !TryWriteUInt32(ctx, waitingThreadsAddress, unchecked((uint)semaphore.WaitingThreads)))
             {
                 return SetReturn(ctx, OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
             }
@@ -256,6 +258,56 @@ public static class KernelSemaphoreCompatExports
         return value;
     }
 
+    private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
+        return true;
+    }
+
+    private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
+        return ctx.Memory.TryWrite(address, buffer);
+    }
+
+    private static bool TryReadNullTerminatedUtf8(CpuContext ctx, ulong address, int maxLength, out string value)
+    {
+        value = string.Empty;
+        if (address == 0 || maxLength <= 0)
+        {
+            return false;
+        }
+
+        var bytes = new byte[Math.Min(maxLength, 4096)];
+        for (var i = 0; i < bytes.Length; i++)
+        {
+            Span<byte> current = stackalloc byte[1];
+            if (!ctx.Memory.TryRead(address + (ulong)i, current))
+            {
+                return false;
+            }
+
+            if (current[0] == 0)
+            {
+                value = Encoding.UTF8.GetString(bytes, 0, i);
+                return true;
+            }
+
+            bytes[i] = current[0];
+        }
+
+        value = Encoding.UTF8.GetString(bytes);
+        return true;
+    }
+
     private static void TraceSemaphore(string message)
     {
         if (string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_SEMA"), "1", StringComparison.Ordinal))

src/SharpEmu.Libs/Kernel/KernelVirtualRangeAllocator.cs

@@ -1,159 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using SharpEmu.HLE;
-using System;
-using System.Collections.Concurrent;
-using System.Reflection;
-
-namespace SharpEmu.Libs.Kernel;
-
-internal static class KernelVirtualRangeAllocator
-{
-    private static readonly ConcurrentDictionary<Type, Accessor> _accessors = new();
-
-    public static bool TryReserve(
-        CpuContext ctx,
-        ulong desiredAddress,
-        ulong length,
-        bool executable,
-        ulong alignment,
-        bool allowSearch,
-        bool allowAllocateAtAlternative,
-        string traceName,
-        out ulong mappedAddress)
-    {
-        mappedAddress = 0;
-        if (length == 0)
-        {
-            return false;
-        }
-
-        try
-        {
-            if (!TryResolveAccessor(ctx.Memory, out var target, out var accessor))
-            {
-                Console.Error.WriteLine($"[LOADER][TRACE] {traceName}: AllocateAt missing on {ctx.Memory.GetType().FullName}");
-                return false;
-            }
-
-            if (allowSearch && accessor.AllocateAtOrAbove is not null)
-            {
-                var searchArgs = new object[] { desiredAddress, length, executable, alignment, 0UL };
-                var searchResult = accessor.AllocateAtOrAbove.Invoke(target, searchArgs);
-                if (searchResult is bool trueValue && trueValue &&
-                    searchArgs[4] is ulong searchedAddress && searchedAddress != 0)
-                {
-                    mappedAddress = searchedAddress;
-                    return true;
-                }
-            }
-
-            if (accessor.AllocateAt is null)
-            {
-                Console.Error.WriteLine($"[LOADER][TRACE] {traceName}: AllocateAt missing on {target.GetType().FullName}");
-                return false;
-            }
-
-            var invokeArgs = accessor.AllocateAtHasAllowAlternativeArg
-                ? new object[] { desiredAddress, length, executable, allowAllocateAtAlternative }
-                : new object[] { desiredAddress, length, executable };
-            var result = accessor.AllocateAt.Invoke(target, invokeArgs);
-            if (result is not ulong allocated || allocated == 0)
-            {
-                var resultType = result?.GetType().FullName ?? "null";
-                Console.Error.WriteLine($"[LOADER][TRACE] {traceName}: AllocateAt returned {resultType} value={result ?? "null"}");
-                return false;
-            }
-
-            mappedAddress = allocated;
-            return true;
-        }
-        catch
-        {
-            Console.Error.WriteLine($"[LOADER][TRACE] {traceName}: AllocateAt invocation threw");
-            return false;
-        }
-    }
-
-    private static bool TryResolveAccessor(object rootMemory, out object target, out Accessor accessor)
-    {
-        target = rootMemory;
-        accessor = default;
-
-        for (var depth = 0; depth < 4; depth++)
-        {
-            accessor = _accessors.GetOrAdd(target.GetType(), DiscoverAccessor);
-            if (accessor.AllocateAt is not null || accessor.AllocateAtOrAbove is not null)
-            {
-                return true;
-            }
-
-            if (accessor.InnerProperty is null)
-            {
-                break;
-            }
-
-            var innerValue = accessor.InnerProperty.GetValue(target);
-            if (innerValue is null || ReferenceEquals(innerValue, target))
-            {
-                break;
-            }
-
-            target = innerValue;
-        }
-
-        return false;
-    }
-
-    private static Accessor DiscoverAccessor(Type type)
-    {
-        MethodInfo? allocateAt = null;
-        MethodInfo? allocateAtOrAbove = null;
-        var allocateAtHasAllowAlternativeArg = false;
-
-        foreach (var candidate in type.GetMethods(BindingFlags.Public | BindingFlags.Instance))
-        {
-            var parameters = candidate.GetParameters();
-            if (string.Equals(candidate.Name, "TryAllocateAtOrAbove", StringComparison.Ordinal) &&
-                parameters.Length == 5 &&
-                parameters[0].ParameterType == typeof(ulong) &&
-                parameters[1].ParameterType == typeof(ulong) &&
-                parameters[2].ParameterType == typeof(bool) &&
-                parameters[3].ParameterType == typeof(ulong) &&
-                parameters[4].ParameterType == typeof(ulong).MakeByRefType())
-            {
-                allocateAtOrAbove = candidate;
-            }
-            else if (string.Equals(candidate.Name, "AllocateAt", StringComparison.Ordinal))
-            {
-                if (parameters.Length == 3 &&
-                    parameters[0].ParameterType == typeof(ulong) &&
-                    parameters[1].ParameterType == typeof(ulong) &&
-                    parameters[2].ParameterType == typeof(bool))
-                {
-                    allocateAt = candidate;
-                    allocateAtHasAllowAlternativeArg = false;
-                }
-                else if (parameters.Length == 4 &&
-                    parameters[0].ParameterType == typeof(ulong) &&
-                    parameters[1].ParameterType == typeof(ulong) &&
-                    parameters[2].ParameterType == typeof(bool) &&
-                    parameters[3].ParameterType == typeof(bool))
-                {
-                    allocateAt = candidate;
-                    allocateAtHasAllowAlternativeArg = true;
-                }
-            }
-        }
-
-        var innerProperty = type.GetProperty("Inner", BindingFlags.Public | BindingFlags.Instance);
-        return new Accessor(allocateAt, allocateAtOrAbove, allocateAtHasAllowAlternativeArg, innerProperty);
-    }
-
-    private readonly record struct Accessor(
-        MethodInfo? AllocateAt,
-        MethodInfo? AllocateAtOrAbove,
-        bool AllocateAtHasAllowAlternativeArg,
-        PropertyInfo? InnerProperty);
-}

src/SharpEmu.Libs/Ngs2/Ngs2Exports.cs

@@ -1,322 +0,0 @@
-// Copyright (C) 2026 SharpEmu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-using SharpEmu.HLE;
-using SharpEmu.Libs.Kernel;
-using System.Buffers.Binary;
-using System.Threading;
-
-namespace SharpEmu.Libs.Ngs2;
-
-public static class Ngs2Exports
-{
-    private const int OrbisNgs2ErrorInvalidOutAddress = unchecked((int)0x804A0053);
-    private const int OrbisNgs2ErrorInvalidSystemHandle = unchecked((int)0x804A0230);
-    private const int OrbisNgs2ErrorInvalidRackHandle = unchecked((int)0x804A0261);
-    private const int OrbisNgs2ErrorInvalidVoiceHandle = unchecked((int)0x804A0300);
-    private const ulong HandleStorageSize = 0x20;
-    private const int RenderBufferInfoSize = 0x18;
-    private const ulong MaximumRenderBufferSize = 16 * 1024 * 1024;
-
-    private static readonly object StateGate = new();
-    private static readonly Dictionary<ulong, SystemState> Systems = new();
-    private static readonly Dictionary<ulong, RackState> Racks = new();
-    private static readonly Dictionary<ulong, VoiceState> Voices = new();
-    private static long _nextUid;
-    private static long _renderCount;
-
-    private sealed record SystemState(uint Uid);
-    private sealed record RackState(ulong SystemHandle, uint RackId);
-    private sealed record VoiceState(ulong RackHandle, uint VoiceIndex);
-
-    [SysAbiExport(
-        Nid = "mPYgU4oYpuY",
-        ExportName = "sceNgs2SystemCreateWithAllocator",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceNgs2")]
-    public static int Ngs2SystemCreateWithAllocator(CpuContext ctx)
-    {
-        var outHandleAddress = ctx[CpuRegister.Rdx];
-        if (outHandleAddress == 0)
-        {
-            return SetReturn(ctx, OrbisNgs2ErrorInvalidOutAddress);
-        }
-
-        if (!TryCreateHandle(ctx, type: 1, ownerHandle: 0, out var handle) ||
-            !ctx.TryWriteUInt64(outHandleAddress, handle))
-        {
-            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-        }
-
-        lock (StateGate)
-        {
-            Systems[handle] = new SystemState(unchecked((uint)Interlocked.Increment(ref _nextUid)));
-        }
-
-        return SetReturn(ctx, 0);
-    }
-
-    [SysAbiExport(
-        Nid = "u-WrYDaJA3k",
-        ExportName = "sceNgs2SystemDestroy",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceNgs2")]
-    public static int Ngs2SystemDestroy(CpuContext ctx)
-    {
-        var handle = ctx[CpuRegister.Rdi];
-        lock (StateGate)
-        {
-            if (!Systems.Remove(handle))
-            {
-                return SetReturn(ctx, OrbisNgs2ErrorInvalidSystemHandle);
-            }
-
-            var rackHandles = Racks
-                .Where(pair => pair.Value.SystemHandle == handle)
-                .Select(pair => pair.Key)
-                .ToArray();
-            foreach (var rackHandle in rackHandles)
-            {
-                RemoveRackLocked(rackHandle);
-            }
-        }
-
-        return SetReturn(ctx, 0);
-    }
-
-    [SysAbiExport(
-        Nid = "U546k6orxQo",
-        ExportName = "sceNgs2RackCreateWithAllocator",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceNgs2")]
-    public static int Ngs2RackCreateWithAllocator(CpuContext ctx)
-    {
-        var systemHandle = ctx[CpuRegister.Rdi];
-        var rackId = unchecked((uint)ctx[CpuRegister.Rsi]);
-        var outHandleAddress = ctx[CpuRegister.R8];
-        lock (StateGate)
-        {
-            if (!Systems.ContainsKey(systemHandle))
-            {
-                return SetReturn(ctx, OrbisNgs2ErrorInvalidSystemHandle);
-            }
-        }
-
-        if (outHandleAddress == 0)
-        {
-            return SetReturn(ctx, OrbisNgs2ErrorInvalidOutAddress);
-        }
-
-        if (!TryCreateHandle(ctx, type: 2, systemHandle, out var handle) ||
-            !ctx.TryWriteUInt64(outHandleAddress, handle))
-        {
-            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-        }
-
-        lock (StateGate)
-        {
-            Racks[handle] = new RackState(systemHandle, rackId);
-        }
-
-        return SetReturn(ctx, 0);
-    }
-
-    [SysAbiExport(
-        Nid = "lCqD7oycmIM",
-        ExportName = "sceNgs2RackDestroy",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceNgs2")]
-    public static int Ngs2RackDestroy(CpuContext ctx)
-    {
-        var handle = ctx[CpuRegister.Rdi];
-        lock (StateGate)
-        {
-            if (!Racks.ContainsKey(handle))
-            {
-                return SetReturn(ctx, OrbisNgs2ErrorInvalidRackHandle);
-            }
-
-            RemoveRackLocked(handle);
-        }
-
-        return SetReturn(ctx, 0);
-    }
-
-    [SysAbiExport(
-        Nid = "MwmHz8pAdAo",
-        ExportName = "sceNgs2RackGetVoiceHandle",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceNgs2")]
-    public static int Ngs2RackGetVoiceHandle(CpuContext ctx)
-    {
-        var rackHandle = ctx[CpuRegister.Rdi];
-        var voiceIndex = unchecked((uint)ctx[CpuRegister.Rsi]);
-        var outHandleAddress = ctx[CpuRegister.Rdx];
-        lock (StateGate)
-        {
-            if (!Racks.ContainsKey(rackHandle))
-            {
-                return SetReturn(ctx, OrbisNgs2ErrorInvalidRackHandle);
-            }
-
-            var existing = Voices.FirstOrDefault(
-                pair => pair.Value.RackHandle == rackHandle && pair.Value.VoiceIndex == voiceIndex);
-            if (existing.Key != 0)
-            {
-                return ctx.TryWriteUInt64(outHandleAddress, existing.Key)
-                    ? SetReturn(ctx, 0)
-                    : SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-            }
-        }
-
-        if (outHandleAddress == 0)
-        {
-            return SetReturn(ctx, OrbisNgs2ErrorInvalidOutAddress);
-        }
-
-        if (!TryCreateHandle(ctx, type: 4, rackHandle, out var handle) ||
-            !ctx.TryWriteUInt64(outHandleAddress, handle))
-        {
-            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-        }
-
-        lock (StateGate)
-        {
-            Voices[handle] = new VoiceState(rackHandle, voiceIndex);
-        }
-
-        return SetReturn(ctx, 0);
-    }
-
-    [SysAbiExport(
-        Nid = "uu94irFOGpA",
-        ExportName = "sceNgs2VoiceControl",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceNgs2")]
-    public static int Ngs2VoiceControl(CpuContext ctx)
-    {
-        lock (StateGate)
-        {
-            return SetReturn(
-                ctx,
-                Voices.ContainsKey(ctx[CpuRegister.Rdi]) ? 0 : OrbisNgs2ErrorInvalidVoiceHandle);
-        }
-    }
-
-    [SysAbiExport(
-        Nid = "AbYvTOZ8Pts",
-        ExportName = "sceNgs2VoiceRunCommands",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceNgs2")]
-    public static int Ngs2VoiceRunCommands(CpuContext ctx) => Ngs2VoiceControl(ctx);
-
-    [SysAbiExport(
-        Nid = "i0VnXM-C9fc",
-        ExportName = "sceNgs2SystemRender",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceNgs2")]
-    public static int Ngs2SystemRender(CpuContext ctx)
-    {
-        var systemHandle = ctx[CpuRegister.Rdi];
-        var bufferInfoAddress = ctx[CpuRegister.Rsi];
-        var bufferInfoCount = unchecked((uint)ctx[CpuRegister.Rdx]);
-        lock (StateGate)
-        {
-            if (!Systems.ContainsKey(systemHandle))
-            {
-                return SetReturn(ctx, OrbisNgs2ErrorInvalidSystemHandle);
-            }
-        }
-
-        if (bufferInfoCount != 0 && bufferInfoAddress == 0)
-        {
-            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
-        }
-
-        for (uint i = 0; i < bufferInfoCount; i++)
-        {
-            var entryAddress = bufferInfoAddress + (i * RenderBufferInfoSize);
-            if (!ctx.TryReadUInt64(entryAddress, out var bufferAddress) ||
-                !ctx.TryReadUInt64(entryAddress + 8, out var bufferSize))
-            {
-                return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-            }
-
-            if (bufferAddress != 0 && bufferSize != 0)
-            {
-                if (bufferSize > MaximumRenderBufferSize || !TryClearGuestBuffer(ctx, bufferAddress, bufferSize))
-                {
-                    return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-                }
-            }
-        }
-
-        var count = Interlocked.Increment(ref _renderCount);
-        if (ShouldTrace() && (count <= 4 || count % 10_000 == 0))
-        {
-            Console.Error.WriteLine(
-                $"[LOADER][TRACE] ngs2.render#{count} system=0x{systemHandle:X16} buffers={bufferInfoCount}");
-        }
-
-        return SetReturn(ctx, 0);
-    }
-
-    private static bool TryCreateHandle(CpuContext ctx, uint type, ulong ownerHandle, out ulong handle)
-    {
-        handle = 0;
-        if (!KernelMemoryCompatExports.TryAllocateHleData(ctx, HandleStorageSize, 16, out handle))
-        {
-            return false;
-        }
-
-        Span<byte> data = stackalloc byte[(int)HandleStorageSize];
-        data.Clear();
-        BinaryPrimitives.WriteUInt64LittleEndian(data[0..8], handle);
-        BinaryPrimitives.WriteUInt64LittleEndian(data[8..16], ownerHandle);
-        BinaryPrimitives.WriteUInt32LittleEndian(data[16..20], 1);
-        BinaryPrimitives.WriteUInt32LittleEndian(data[24..28], type);
-        return ctx.Memory.TryWrite(handle, data);
-    }
-
-    private static bool TryClearGuestBuffer(CpuContext ctx, ulong address, ulong length)
-    {
-        Span<byte> zeroes = stackalloc byte[4096];
-        zeroes.Clear();
-        for (ulong offset = 0; offset < length;)
-        {
-            var chunkSize = (int)Math.Min((ulong)zeroes.Length, length - offset);
-            if (!ctx.Memory.TryWrite(address + offset, zeroes[..chunkSize]))
-            {
-                return false;
-            }
-
-            offset += unchecked((uint)chunkSize);
-        }
-
-        return true;
-    }
-
-    private static void RemoveRackLocked(ulong rackHandle)
-    {
-        Racks.Remove(rackHandle);
-        foreach (var voiceHandle in Voices
-                     .Where(pair => pair.Value.RackHandle == rackHandle)
-                     .Select(pair => pair.Key)
-                     .ToArray())
-        {
-            Voices.Remove(voiceHandle);
-        }
-    }
-
-    private static bool ShouldTrace() =>
-        string.Equals(
-            Environment.GetEnvironmentVariable("SHARPEMU_LOG_NGS2"),
-            "1",
-            StringComparison.Ordinal);
-
-    private static int SetReturn(CpuContext ctx, int result)
-    {
-        ctx[CpuRegister.Rax] = unchecked((ulong)result);
-        return result;
-    }
-}

src/SharpEmu.Libs/Pad/PadExports.cs

@@ -160,16 +160,6 @@ public static class PadExports
             : SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
     }
 
-    [SysAbiExport(
-    Nid = "W2G-yoyMF5U",
-    ExportName = "scePadSetVibrationMode",
-    Target = Generation.Gen4 | Generation.Gen5,
-    LibraryName = "libScePad")]
-    public static int PadSetVibrationMode(CpuContext ctx)
-    {
-        return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_OK);
-    }
-
     private static bool WriteNeutralPadData(CpuContext ctx, ulong dataAddress)
     {
         Span<byte> data = stackalloc byte[PadDataSize];

src/SharpEmu.Libs/PlayGo/PlayGoExports.cs

@@ -234,7 +234,7 @@ public static class PlayGoExports
         if (outChunkIdList == 0)
         {
             TracePlayGo($"get_chunk_id count_only entries={availableEntries} out_entries=0x{outEntries:X16}");
-            return ctx.TryWriteUInt32(outEntries, availableEntries)
+            return TryWriteUInt32(ctx, outEntries, availableEntries)
                 ? (int)OrbisGen2Result.ORBIS_GEN2_OK
                 : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
         }
@@ -256,7 +256,7 @@ public static class PlayGoExports
         }
 
         TracePlayGo($"get_chunk_id write requested={numberOfEntries} wrote={entriesToWrite} available={availableEntries}");
-        return ctx.TryWriteUInt32(outEntries, entriesToWrite)
+        return TryWriteUInt32(ctx, outEntries, entriesToWrite)
             ? (int)OrbisGen2Result.ORBIS_GEN2_OK
             : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
     }
@@ -503,7 +503,7 @@ public static class PlayGoExports
         }
 
         TracePlayGo($"get_todo requested={numberOfEntries} wrote=0");
-        return ctx.TryWriteUInt32(outEntries, 0)
+        return TryWriteUInt32(ctx, outEntries, 0)
             ? (int)OrbisGen2Result.ORBIS_GEN2_OK
             : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT;
     }
@@ -748,6 +748,13 @@ public static class PlayGoExports
         return ctx.Memory.TryWrite(address, buffer);
     }
 
+    private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(buffer, value);
+        return ctx.Memory.TryWrite(address, buffer);
+    }
+
     private static bool TryWriteInt32(CpuContext ctx, ulong address, int value)
     {
         Span<byte> buffer = stackalloc byte[sizeof(int)];

src/SharpEmu.Libs/SaveData/SaveDataDialogExports.cs

@@ -60,7 +60,7 @@ public static class SaveDataDialogExports
         }
 
         _lastMode = TryReadInt32(ctx, paramAddress, out var mode) ? mode : 0;
-        _lastUserData = ctx.TryReadUInt64(paramAddress + 0xC8, out var userData) ? userData : 0;
+        _lastUserData = TryReadUInt64(ctx, paramAddress + 0xC8, out var userData) ? userData : 0;
 
         // There is no host save dialog yet. Complete immediately with OK so
         // guest polling sees a finished dialog instead of spinning forever.
@@ -182,6 +182,19 @@ public static class SaveDataDialogExports
         return true;
     }
 
+    private static bool TryReadUInt64(CpuContext ctx, ulong address, out ulong value)
+    {
+        value = 0;
+        Span<byte> bytes = stackalloc byte[sizeof(ulong)];
+        if (!ctx.Memory.TryRead(address, bytes))
+        {
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt64LittleEndian(bytes);
+        return true;
+    }
+
     private static int SetReturn(CpuContext ctx, int result)
     {
         ctx[CpuRegister.Rax] = unchecked((ulong)result);

src/SharpEmu.Libs/SaveData/SaveDataExports.cs

@@ -108,8 +108,8 @@ public static class SaveDataExports
             var setNum = result.DirNamesNum == 0
                 ? 0
                 : Math.Min(result.DirNamesNum, entries.Count);
-            if (!ctx.TryWriteUInt32(resultAddress + ResultHitNumOffset, checked((uint)entries.Count)) ||
+            if (!TryWriteUInt32(ctx, resultAddress + ResultHitNumOffset, checked((uint)entries.Count)) ||
-                !ctx.TryWriteUInt32(resultAddress + ResultSetNumOffset, checked((uint)setNum)))
+                !TryWriteUInt32(ctx, resultAddress + ResultSetNumOffset, checked((uint)setNum)))
             {
                 return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
             }
@@ -173,9 +173,9 @@ public static class SaveDataExports
             !ctx.TryReadUInt64(mountAddress + 0x08, out var dirNameAddress) ||
             !ctx.TryReadUInt64(mountAddress + 0x10, out var blocks) ||
             !ctx.TryReadUInt64(mountAddress + 0x18, out var systemBlocks) ||
-            !ctx.TryReadUInt32(mountAddress + 0x20, out var mountMode) ||
+            !TryReadUInt32(ctx, mountAddress + 0x20, out var mountMode) ||
-            !ctx.TryReadUInt32(mountAddress + 0x24, out var resource) ||
+            !TryReadUInt32(ctx, mountAddress + 0x24, out var resource) ||
-            !ctx.TryReadUInt32(mountAddress + 0x28, out var mode) ||
+            !TryReadUInt32(ctx, mountAddress + 0x28, out var mode) ||
             dirNameAddress == 0 ||
             !TryReadFixedAscii(ctx, dirNameAddress, SaveDataDirNameSize, out var dirName))
         {
@@ -244,44 +244,14 @@ public static class SaveDataExports
         }
     }
 
-    private static int _nextTransactionResource;
-    [SysAbiExport(
-        Nid = "gjRZNnw0JPE",
-        ExportName = "sceSaveDataCreateTransactionResource",
-        Target = Generation.Gen4 | Generation.Gen5,
-        LibraryName = "libSceSaveData")]
-    public static int SaveDataCreateTransactionResource(CpuContext ctx)
-    {
-        var userId = unchecked((int)ctx[CpuRegister.Rdi]);
-        var reserved = ctx[CpuRegister.Rsi];
-        var resourceAddress = ctx[CpuRegister.Rdx];
-
-        if (resourceAddress == 0)
-        {
-            return SetReturn(ctx, OrbisSaveDataErrorParameter);
-        }
-
-        var id = (uint)Interlocked.Increment(ref _nextTransactionResource);
-
-        if (!ctx.TryWriteUInt32(resourceAddress, id))
-        {
-            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_MEMORY_FAULT);
-        }
-
-        TraceSaveData(
-            $"create_transaction_resource user={userId} reserved=0x{reserved:X} resource_addr=0x{resourceAddress:X} id={id}");
-
-        return SetReturn(ctx, 0);
-    }
-
     private static bool TryReadSearchCond(CpuContext ctx, ulong address, out SearchCond cond)
     {
         cond = default;
         if (!TryReadInt32(ctx, address, out var userId) ||
             !ctx.TryReadUInt64(address + 0x08, out var titleIdAddress) ||
             !ctx.TryReadUInt64(address + 0x10, out var dirNameAddress) ||
-            !ctx.TryReadUInt32(address + 0x18, out var sortKey) ||
+            !TryReadUInt32(ctx, address + 0x18, out var sortKey) ||
-            !ctx.TryReadUInt32(address + 0x1C, out var sortOrder))
+            !TryReadUInt32(ctx, address + 0x1C, out var sortOrder))
         {
             return false;
         }
@@ -304,7 +274,7 @@ public static class SaveDataExports
     {
         result = default;
         if (!ctx.TryReadUInt64(address + ResultDirNamesOffset, out var dirNamesAddress) ||
-            !ctx.TryReadUInt32(address + ResultDirNamesNumOffset, out var dirNamesNum) ||
+            !TryReadUInt32(ctx, address + ResultDirNamesNumOffset, out var dirNamesNum) ||
             !ctx.TryReadUInt64(address + ResultParamsOffset, out var paramsAddress) ||
             !ctx.TryReadUInt64(address + ResultInfosOffset, out var infosAddress))
         {
@@ -518,6 +488,26 @@ public static class SaveDataExports
         return true;
     }
 
+    private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
+    {
+        Span<byte> bytes = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(address, bytes))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt32LittleEndian(bytes);
+        return true;
+    }
+
+    private static bool TryWriteUInt32(CpuContext ctx, ulong address, uint value)
+    {
+        Span<byte> bytes = stackalloc byte[sizeof(uint)];
+        BinaryPrimitives.WriteUInt32LittleEndian(bytes, value);
+        return ctx.Memory.TryWrite(address, bytes);
+    }
+
     private static int SetReturn(CpuContext ctx, int result)
     {
         ctx[CpuRegister.Rax] = unchecked((ulong)result);

src/SharpEmu.Libs/SharpEmu.Libs.csproj

@@ -10,15 +10,10 @@ SPDX-License-Identifier: GPL-2.0-or-later
 
   <ItemGroup>
     <PackageReference Include="Silk.NET.Vulkan" />
-    <PackageReference Include="Silk.NET.Vulkan.Extensions.EXT" />
     <PackageReference Include="Silk.NET.Vulkan.Extensions.KHR" />
     <PackageReference Include="Silk.NET.Windowing" />
   </ItemGroup>
 
-  <PropertyGroup>
-    <NoWarn>$(NoWarn);1591</NoWarn>
-  </PropertyGroup>
-
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>

src/SharpEmu.Libs/VideoOut/VideoOutExports.cs

@@ -922,9 +922,9 @@ public static class VideoOutExports
     private static bool TryReadBufferAttribute(CpuContext ctx, ulong attributeAddress, bool attribute2, out BufferAttribute attribute)
     {
         attribute = default;
-        if (!ctx.TryReadUInt32(attributeAddress + 0x04, out var tilingMode) ||
+        if (!TryReadUInt32(ctx, attributeAddress + 0x04, out var tilingMode) ||
-            !ctx.TryReadUInt32(attributeAddress + 0x0C, out var width) ||
+            !TryReadUInt32(ctx, attributeAddress + 0x0C, out var width) ||
-            !ctx.TryReadUInt32(attributeAddress + 0x10, out var height))
+            !TryReadUInt32(ctx, attributeAddress + 0x10, out var height))
         {
             return false;
         }
@@ -941,10 +941,10 @@ public static class VideoOutExports
             return true;
         }
 
-        if (!ctx.TryReadUInt32(attributeAddress + 0x00, out var pixelFormat32) ||
+        if (!TryReadUInt32(ctx, attributeAddress + 0x00, out var pixelFormat32) ||
-            !ctx.TryReadUInt32(attributeAddress + 0x08, out var aspectRatio) ||
+            !TryReadUInt32(ctx, attributeAddress + 0x08, out var aspectRatio) ||
-            !ctx.TryReadUInt32(attributeAddress + 0x14, out var pitchInPixel) ||
+            !TryReadUInt32(ctx, attributeAddress + 0x14, out var pitchInPixel) ||
-            !ctx.TryReadUInt32(attributeAddress + 0x18, out var option32))
+            !TryReadUInt32(ctx, attributeAddress + 0x18, out var option32))
         {
             return false;
         }
@@ -1291,6 +1291,19 @@ public static class VideoOutExports
         return true;
     }
 
+    private static bool TryReadUInt32(CpuContext ctx, ulong address, out uint value)
+    {
+        Span<byte> buffer = stackalloc byte[sizeof(uint)];
+        if (!ctx.Memory.TryRead(address, buffer))
+        {
+            value = 0;
+            return false;
+        }
+
+        value = BinaryPrimitives.ReadUInt32LittleEndian(buffer);
+        return true;
+    }
+
     private static bool TryReadInt16(CpuContext ctx, ulong address, out short value)
     {
         Span<byte> buffer = stackalloc byte[sizeof(short)];

src/SharpEmu.Libs/VideoOut/VulkanVideoPresenter.cs

@@ -7,7 +7,6 @@ using Silk.NET.Maths;
 using SharpEmu.Libs.Agc;
 using Silk.NET.Vulkan;
 using Silk.NET.Vulkan.Extensions.KHR;
-using Silk.NET.Vulkan.Extensions.EXT;
 using Silk.NET.Windowing;
 using System.Numerics;
 using System.Runtime.CompilerServices;
@@ -847,8 +846,6 @@ internal static unsafe class VulkanVideoPresenter
         private delegate* unmanaged<CommandBuffer, void> _cmdEndDebugUtilsLabel;
         private Instance _instance;
         private SurfaceKHR _surface;
-        private DebugUtilsMessengerEXT _debugMessenger;
-        private ExtDebugUtils? _debugUtils;
         private PhysicalDevice _physicalDevice;
         private Device _device;
         private Queue _queue;
@@ -879,8 +876,6 @@ internal static unsafe class VulkanVideoPresenter
         private bool _swapchainRecreateDeferred;
         private bool _tracedPresentedSwapchain;
         private bool _swapchainReadbackPending;
-        private bool _deviceLost;
-        private bool _deviceLostLogged;
         private int _directPresentationCount;
         private readonly Dictionary<ulong, GuestImageResource> _guestImages = new();
         private readonly HashSet<(ulong Address, uint Width, uint Height, Format Format)> _tracedTextureCacheHits = new();
@@ -1246,9 +1241,6 @@ internal static unsafe class VulkanVideoPresenter
         private void CreateInstance()
         {
             var applicationName = (byte*)SilkMarshal.StringToPtr("SharpEmu");
-            var enableValidation = Environment.GetEnvironmentVariable("SHARPEMU_VK_VALIDATION") == "1";
-            byte* validationLayerName = null;
-            
             try
             {
                 var applicationInfo = new ApplicationInfo
@@ -1276,29 +1268,12 @@ internal static unsafe class VulkanVideoPresenter
                     enabledExtensions[enabledExtensionCount++] = debugUtilsExtension;
                 }
 
-                if (enableValidation && IsInstanceLayerAvailable("VK_LAYER_KHRONOS_validation"))
-                {
-                    validationLayerName = (byte*)SilkMarshal.StringToPtr("VK_LAYER_KHRONOS_validation");
-                }
-                else if (enableValidation)
-                {
-                    Console.Error.WriteLine("[LOADER][WARN] SHARPEMU_VK_VALIDATION=1 but VK_LAYER_KHRONOS_validation not found (Vulkan SDK installed?).");
-                }
-
-                var layers = stackalloc byte*[1];
-                if (validationLayerName is not null)
-                {
-                    layers[0] = validationLayerName;
-                }
-
                 var createInfo = new InstanceCreateInfo
                 {
                     SType = StructureType.InstanceCreateInfo,
                     PApplicationInfo = &applicationInfo,
                     EnabledExtensionCount = (uint)enabledExtensionCount,
                     PpEnabledExtensionNames = enabledExtensions,
-                    EnabledLayerCount = validationLayerName is not null ? 1u : 0u,
-                    PpEnabledLayerNames = validationLayerName is not null ? layers : null,
                 };
 
                 try
@@ -1308,13 +1283,6 @@ internal static unsafe class VulkanVideoPresenter
                     {
                         throw new InvalidOperationException("VK_KHR_surface is unavailable.");
                     }
-                    
-                    if (validationLayerName is not null && _vk.TryGetInstanceExtension(_instance, out ExtDebugUtils debugUtils))
-                    {
-                        _debugUtils = debugUtils;
-                        RegisterDebugMessenger(debugUtils);
-                        Console.Error.WriteLine("[LOADER][INFO] Vulkan Validation Layers active (SHARPEMU_VK_VALIDATION=1).");
-                    }
                 }
                 finally
                 {
@@ -1327,74 +1295,9 @@ internal static unsafe class VulkanVideoPresenter
             finally
             {
                 SilkMarshal.Free((nint)applicationName);
-                if (validationLayerName is not null)
-                {
-                    SilkMarshal.Free((nint)validationLayerName);
-                }
             }
         }
 
-        private bool IsInstanceLayerAvailable(string layerName)
-        {
-            uint layerCount = 0;
-            if (_vk.EnumerateInstanceLayerProperties(&layerCount, null) != Result.Success || layerCount == 0)
-            {
-                return false;
-            }
-
-            var properties = new LayerProperties[layerCount];
-            fixed (LayerProperties* propertyPointer = properties)
-            {
-                if (_vk.EnumerateInstanceLayerProperties(&layerCount, propertyPointer) != Result.Success)
-                {
-                    return false;
-                }
-
-                var expected = Encoding.UTF8.GetBytes(layerName);
-                for (var index = 0; index < layerCount; index++)
-                {
-                    if (Utf8NullTerminatedEquals(propertyPointer[index].LayerName, expected))
-                    {
-                        return true;
-                    }
-                }
-            }
-
-            return false;
-        }
-        private void RegisterDebugMessenger(ExtDebugUtils debugUtils)
-        {
-            var messengerInfo = new DebugUtilsMessengerCreateInfoEXT
-            {
-                SType = StructureType.DebugUtilsMessengerCreateInfoExt,
-                MessageSeverity = DebugUtilsMessageSeverityFlagsEXT.ErrorBitExt
-                                  | DebugUtilsMessageSeverityFlagsEXT.WarningBitExt,
-                MessageType = DebugUtilsMessageTypeFlagsEXT.ValidationBitExt
-                              | DebugUtilsMessageTypeFlagsEXT.PerformanceBitExt
-                              | DebugUtilsMessageTypeFlagsEXT.GeneralBitExt,
-                PfnUserCallback = new PfnDebugUtilsMessengerCallbackEXT(DebugCallback),
-            };
-
-            Check(debugUtils.CreateDebugUtilsMessenger(_instance, &messengerInfo, null, out _debugMessenger),
-                "vkCreateDebugUtilsMessengerEXT");
-        }
-        
-        private static unsafe uint DebugCallback(
-            DebugUtilsMessageSeverityFlagsEXT severity,
-            DebugUtilsMessageTypeFlagsEXT type,
-            DebugUtilsMessengerCallbackDataEXT* callbackData,
-            void* userData)
-        {
-            var message = SilkMarshal.PtrToString((nint)callbackData->PMessage);
-            var prefix = severity switch
-            {
-                DebugUtilsMessageSeverityFlagsEXT.ErrorBitExt => "[VULKAN][ERROR]",
-                DebugUtilsMessageSeverityFlagsEXT.WarningBitExt => "[VULKAN][WARN]",
-                _ => "[VULKAN][INFO]",
-            };
-            Console.Error.WriteLine($"{prefix} {message}");
-            return Vk.False;
-        }
         private void CreateSurface()
         {
             var instanceHandle = new VkHandle(_instance.Handle);
@@ -1455,129 +1358,17 @@ internal static unsafe class VulkanVideoPresenter
                 QueueCount = 1,
                 PQueuePriorities = &priority,
             };
-            _vk.GetPhysicalDeviceFeatures(_physicalDevice, out var supportedFeatures);
-            var enabledFeatures = new PhysicalDeviceFeatures
-            {
-                VertexPipelineStoresAndAtomics = supportedFeatures.VertexPipelineStoresAndAtomics,
-                FragmentStoresAndAtomics = supportedFeatures.FragmentStoresAndAtomics,
-                ShaderInt64 = supportedFeatures.ShaderInt64,
-                ShaderImageGatherExtended = supportedFeatures.ShaderImageGatherExtended,
-                ShaderStorageImageExtendedFormats = supportedFeatures.ShaderStorageImageExtendedFormats,
-                ShaderStorageImageReadWithoutFormat = supportedFeatures.ShaderStorageImageReadWithoutFormat,
-                ShaderStorageImageWriteWithoutFormat = supportedFeatures.ShaderStorageImageWriteWithoutFormat,
-                RobustBufferAccess = supportedFeatures.RobustBufferAccess,
-            };
-
-            if (!supportedFeatures.RobustBufferAccess)
-            {
-                Console.Error.WriteLine(
-                    "[LOADER][WARN] GPU does not support robustBufferAccess " +
-                    "translated shaders performing out-of-bounds buffer access may cause device loss.");
-            }
-
-            if (!supportedFeatures.ShaderInt64)
-            {
-                Console.Error.WriteLine(
-                    "[LOADER][WARN] GPU does not support shaderInt64 " +
-                    "translated shaders using 64-bit integers will fail.");
-            }
-
-            if (!supportedFeatures.VertexPipelineStoresAndAtomics || !supportedFeatures.FragmentStoresAndAtomics)
-            {
-                Console.Error.WriteLine(
-                    "[LOADER][WARN] GPU does not support vertexPipelineStoresAndAtomics/fragmentStoresAndAtomics " +
-                    "translated shaders using storage buffers in vertex/fragment stages may fail.");
-            }
-
-            if (!supportedFeatures.ShaderImageGatherExtended)
-            {
-                Console.Error.WriteLine(
-                    "[LOADER][WARN] GPU does not support shaderImageGatherExtended " +
-                    "translated shaders using image gather with offsets/LOD/bias will fail.");
-            }
-
-            if (!supportedFeatures.ShaderStorageImageReadWithoutFormat ||
-                !supportedFeatures.ShaderStorageImageWriteWithoutFormat)
-            {
-                Console.Error.WriteLine(
-                    "[LOADER][WARN] GPU does not support shaderStorageImage(Read|Write)WithoutFormat " +
-                    "translated shaders using unformatted storage image load/store will fail.");
-            }
-
-            var maintenance8Features = new PhysicalDeviceMaintenance8FeaturesKHR
-            {
-                SType = StructureType.PhysicalDeviceMaintenance8FeaturesKhr,
-            };
-            var robustness2Features = new PhysicalDeviceRobustness2FeaturesEXT
-            {
-                SType = StructureType.PhysicalDeviceRobustness2FeaturesExt,
-                PNext = &maintenance8Features,
-            };
-            var featuresQuery = new PhysicalDeviceFeatures2
-            {
-                SType = StructureType.PhysicalDeviceFeatures2,
-                PNext = &robustness2Features,
-            };
-            _vk.GetPhysicalDeviceFeatures2(_physicalDevice, &featuresQuery);
-            var supportsMaintenance8 = maintenance8Features.Maintenance8;
-            var supportsRobustImageAccess2 = robustness2Features.RobustImageAccess2;
-            var supportsNullDescriptor = robustness2Features.NullDescriptor;
-            var supportsRobustness2 = supportsRobustImageAccess2 || supportsNullDescriptor;
-            if (!supportsMaintenance8)
-            {
-                Console.Error.WriteLine(
-                    "[LOADER][WARN] GPU does not support VK_KHR_maintenance8 " +
-                    "translated shaders using a dynamic texel offset on non-gather image samples will fail.");
-            }
-
-            if (!supportsRobustImageAccess2)
-            {
-                Console.Error.WriteLine(
-                    "[LOADER][WARN] GPU does not support VK_EXT_robustness2 robustImageAccess2 " +
-                    "translated shaders performing out-of-bounds image access may cause device loss.");
-            }
 
             var swapchainExtension = (byte*)SilkMarshal.StringToPtr("VK_KHR_swapchain");
-            var maintenance8Extension = (byte*)SilkMarshal.StringToPtr("VK_KHR_maintenance8");
-            var robustness2Extension = (byte*)SilkMarshal.StringToPtr("VK_EXT_robustness2");
             try
             {
-                var extensions = stackalloc byte*[3];
-                var extensionCount = 0u;
-                extensions[extensionCount++] = swapchainExtension;
-                if (supportsMaintenance8)
-                {
-                    extensions[extensionCount++] = maintenance8Extension;
-                }
-
-                if (supportsRobustness2)
-                {
-                    extensions[extensionCount++] = robustness2Extension;
-                }
-
-                maintenance8Features.Maintenance8 = supportsMaintenance8;
-                maintenance8Features.PNext = null;
-                robustness2Features.RobustBufferAccess2 =
-                    supportsRobustImageAccess2 && supportedFeatures.RobustBufferAccess;
-                robustness2Features.RobustImageAccess2 = supportsRobustImageAccess2;
-                robustness2Features.NullDescriptor = supportsNullDescriptor;
-                robustness2Features.PNext = supportsMaintenance8 ? &maintenance8Features : null;
-                var features2 = new PhysicalDeviceFeatures2
-                {
-                    SType = StructureType.PhysicalDeviceFeatures2,
-                    PNext = supportsRobustness2
-                        ? &robustness2Features
-                        : (supportsMaintenance8 ? &maintenance8Features : null),
-                    Features = enabledFeatures,
-                };
                 var createInfo = new DeviceCreateInfo
                 {
                     SType = StructureType.DeviceCreateInfo,
-                    PNext = &features2,
                     QueueCreateInfoCount = 1,
                     PQueueCreateInfos = &queueInfo,
-                    EnabledExtensionCount = extensionCount,
+                    EnabledExtensionCount = 1,
-                    PpEnabledExtensionNames = extensions,
+                    PpEnabledExtensionNames = &swapchainExtension,
                 };
 
                 Check(_vk.CreateDevice(_physicalDevice, &createInfo, null, out _device), "vkCreateDevice");
@@ -1585,8 +1376,6 @@ internal static unsafe class VulkanVideoPresenter
             finally
             {
                 SilkMarshal.Free((nint)swapchainExtension);
-                SilkMarshal.Free((nint)maintenance8Extension);
-                SilkMarshal.Free((nint)robustness2Extension);
             }
 
             _vk.GetDeviceQueue(_device, _queueFamilyIndex, 0, out _queue);
@@ -1751,39 +1540,6 @@ internal static unsafe class VulkanVideoPresenter
                     resources.DebugName));
         }
 
-        private void SubmitGuestCommandBufferAndWait(CommandBuffer commandBuffer)
-        {
-            var fenceInfo = new FenceCreateInfo
-            {
-                SType = StructureType.FenceCreateInfo,
-            };
-            Fence fence;
-            Check(
-                _vk.CreateFence(_device, &fenceInfo, null, out fence),
-                "vkCreateFence(guest chunk)");
-            try
-            {
-                var submitInfo = new SubmitInfo
-                {
-                    SType = StructureType.SubmitInfo,
-                    CommandBufferCount = 1,
-                    PCommandBuffers = &commandBuffer,
-                };
-                Check(
-                    _vk.QueueSubmit(_queue, 1, &submitInfo, fence),
-                    "vkQueueSubmit(guest chunk)");
-                Check(
-                    _vk.WaitForFences(_device, 1, &fence, true, ulong.MaxValue),
-                    "vkWaitForFences(guest chunk)");
-            }
-            finally
-            {
-                _vk.DestroyFence(_device, fence, null);
-            }
-
-            _vk.FreeCommandBuffers(_device, _commandPool, 1, &commandBuffer);
-        }
-
         private void EnsureGuestSubmissionCapacity()
         {
             CollectCompletedGuestSubmissions(waitForOldest: false);
@@ -2768,7 +2524,6 @@ internal static unsafe class VulkanVideoPresenter
                 var pipelineInfo = new ComputePipelineCreateInfo
                 {
                     SType = StructureType.ComputePipelineCreateInfo,
-                    Flags = PipelineCreateFlags.CreateDispatchBaseBit,
                     Stage = stage,
                     Layout = resources.PipelineLayout,
                 };
@@ -2818,8 +2573,7 @@ internal static unsafe class VulkanVideoPresenter
                     dstSelect: texture.DstSelect,
                     out var view))
             {
-                if (ShouldTraceVulkanResources() &&
+                if (_tracedTextureCacheHits.Add(
-                    _tracedTextureCacheHits.Add(
                         (texture.Address, texture.Width, texture.Height, vkFormat)))
                 {
                     Console.Error.WriteLine(
@@ -3115,13 +2869,9 @@ internal static unsafe class VulkanVideoPresenter
             }
             _vk.UnmapMemory(_device, stagingMemory);
 
-            var supportsAttachmentUsage = !IsBlockCompressedFormat(vkFormat);
             var imageInfo = new ImageCreateInfo
             {
                 SType = StructureType.ImageCreateInfo,
-                Flags = supportsAttachmentUsage
-                    ? ImageCreateFlags.CreateMutableFormatBit | ImageCreateFlags.CreateExtendedUsageBit
-                    : 0,
                 ImageType = ImageType.Type2D,
                 Format = vkFormat,
                 Extent = new Extent3D(width, height, 1),
@@ -3129,13 +2879,7 @@ internal static unsafe class VulkanVideoPresenter
                 ArrayLayers = 1,
                 Samples = SampleCountFlags.Count1Bit,
                 Tiling = ImageTiling.Optimal,
-                Usage = supportsAttachmentUsage
+                Usage = ImageUsageFlags.TransferDstBit | ImageUsageFlags.SampledBit,
-                    ? ImageUsageFlags.TransferDstBit |
-                      ImageUsageFlags.SampledBit |
-                      ImageUsageFlags.ColorAttachmentBit |
-                      ImageUsageFlags.StorageBit |
-                      ImageUsageFlags.TransferSrcBit
-                    : ImageUsageFlags.TransferDstBit | ImageUsageFlags.SampledBit,
                 SharingMode = SharingMode.Exclusive,
                 InitialLayout = ImageLayout.Undefined,
             };
@@ -3398,8 +3142,7 @@ internal static unsafe class VulkanVideoPresenter
                 out var memory);
             var size = (ulong)Math.Max(guestBuffer.Data.Length, sizeof(uint));
 
-            if (ShouldTraceVulkanResources() &&
+            if (_tracedGlobalBuffers.Add((guestBuffer.BaseAddress, guestBuffer.Data.Length)))
-                _tracedGlobalBuffers.Add((guestBuffer.BaseAddress, guestBuffer.Data.Length)))
             {
                 Console.Error.WriteLine(
                     $"[LOADER][TRACE] vk.global_buffer base=0x{guestBuffer.BaseAddress:X16} " +
@@ -3971,12 +3714,6 @@ internal static unsafe class VulkanVideoPresenter
                 _ => Format.Undefined,
             };
 
-        private static bool IsBlockCompressedFormat(Format format) =>
-            format is Format.BC1RgbaUnormBlock or
-                Format.BC1RgbaSrgbBlock or
-                Format.BC7UnormBlock or
-                Format.BC7SrgbBlock;
-
         private VkBuffer CreateBuffer(
             ulong size,
             BufferUsageFlags usage,
@@ -4030,24 +3767,8 @@ internal static unsafe class VulkanVideoPresenter
             throw new InvalidOperationException("No compatible Vulkan host-visible memory type was found.");
         }
 
-        private const uint MaxComputeZSlicesPerSubmission = 8;
-
         private void ExecuteComputeDispatch(VulkanComputeGuestDispatch work)
         {
-            if (_deviceLost)
-            {
-                return;
-            }
-
-            if (AddressListContains("SHARPEMU_SKIP_COMPUTE_CS", work.ShaderAddress))
-            {
-                TraceVulkanShader(
-                    $"vk.compute_skip cs=0x{work.ShaderAddress:X16} " +
-                    $"groups={work.GroupCountX}x{work.GroupCountY}x{work.GroupCountZ} " +
-                    $"textures={work.Textures.Count}");
-                return;
-            }
-
             TranslatedDrawResources? resources = null;
             CommandBuffer commandBuffer = default;
             var submitted = false;
@@ -4055,100 +3776,59 @@ internal static unsafe class VulkanVideoPresenter
             {
                 EnsureGuestSubmissionCapacity();
                 resources = CreateComputeDispatchResources(work);
-
+                commandBuffer = AllocateGuestCommandBuffer();
-                var batchCount = Math.Max(
+                _commandBuffer = commandBuffer;
-                    1u,
+                var beginInfo = new CommandBufferBeginInfo
-                    (uint)Math.Ceiling(work.GroupCountZ / (double)MaxComputeZSlicesPerSubmission));
-
-                for (var batchIndex = 0u; batchIndex < batchCount; batchIndex++)
                 {
-                    var zStart = batchIndex * MaxComputeZSlicesPerSubmission;
+                    SType = StructureType.CommandBufferBeginInfo,
-                    var zCount = Math.Min(MaxComputeZSlicesPerSubmission, work.GroupCountZ - zStart);
+                    Flags = CommandBufferUsageFlags.OneTimeSubmitBit,
-                    var isFirstBatch = batchIndex == 0;
+                };
-                    var isLastBatch = batchIndex == batchCount - 1;
+                Check(
+                    _vk.BeginCommandBuffer(_commandBuffer, &beginInfo),
+                    "vkBeginCommandBuffer(compute)");
 
-                    commandBuffer = AllocateGuestCommandBuffer();
+                BeginDebugLabel(_commandBuffer, resources.DebugName);
-                    _commandBuffer = commandBuffer;
+                RecordTextureUploads(resources, PipelineStageFlags.ComputeShaderBit);
-                    var beginInfo = new CommandBufferBeginInfo
+                RecordStorageImagesForWrite(resources, PipelineStageFlags.ComputeShaderBit);
-                    {
+                _vk.CmdBindPipeline(
-                        SType = StructureType.CommandBufferBeginInfo,
+                    _commandBuffer,
-                        Flags = CommandBufferUsageFlags.OneTimeSubmitBit,
+                    PipelineBindPoint.Compute,
-                    };
+                    resources.Pipeline);
-                    Check(
+                if (resources.DescriptorSet.Handle != 0)
-                        _vk.BeginCommandBuffer(_commandBuffer, &beginInfo),
+                {
-                        "vkBeginCommandBuffer(compute)");
+                    var descriptorSet = resources.DescriptorSet;
-
+                    _vk.CmdBindDescriptorSets(
-                    BeginDebugLabel(_commandBuffer, resources.DebugName);
-                    if (isFirstBatch)
-                    {
-                        RecordTextureUploads(resources, PipelineStageFlags.ComputeShaderBit);
-                        RecordStorageImagesForWrite(resources, PipelineStageFlags.ComputeShaderBit);
-                    }
-
-                    _vk.CmdBindPipeline(
                         _commandBuffer,
                         PipelineBindPoint.Compute,
-                        resources.Pipeline);
+                        resources.PipelineLayout,
-                    if (resources.DescriptorSet.Handle != 0)
+                        0,
-                    {
+                        1,
-                        var descriptorSet = resources.DescriptorSet;
+                        &descriptorSet,
-                        _vk.CmdBindDescriptorSets(
+                        0,
-                            _commandBuffer,
+                        null);
-                            PipelineBindPoint.Compute,
-                            resources.PipelineLayout,
-                            0,
-                            1,
-                            &descriptorSet,
-                            0,
-                            null);
-                    }
-
-                    RecordChunkedComputeDispatch(_commandBuffer, work, zStart, zCount);
-
-                    if (isLastBatch)
-                    {
-                        RecordStorageImagesForRead(resources, PipelineStageFlags.ComputeShaderBit);
-                    }
-
-                    EndDebugLabel(_commandBuffer);
-                    Check(_vk.EndCommandBuffer(_commandBuffer), "vkEndCommandBuffer(compute)");
-
-                    TraceVulkanShader(
-                        $"vk.compute_submit cs=0x{work.ShaderAddress:X16} " +
-                        $"batch={batchIndex}/{batchCount} z={zStart}..{zStart + zCount}");
-                    if (isLastBatch)
-                    {
-                        SubmitGuestCommandBuffer(
-                            commandBuffer,
-                            resources,
-                            GetTraceImages(resources));
-                        submitted = true;
-                    }
-                    else
-                    {
-                        SubmitGuestCommandBufferAndWait(commandBuffer);
-                        commandBuffer = default;
-                    }
                 }
 
+                RecordChunkedComputeDispatch(_commandBuffer, work);
+                RecordStorageImagesForRead(resources, PipelineStageFlags.ComputeShaderBit);
+                EndDebugLabel(_commandBuffer);
+
+                Check(_vk.EndCommandBuffer(_commandBuffer), "vkEndCommandBuffer(compute)");
+                SubmitGuestCommandBuffer(
+                    commandBuffer,
+                    resources,
+                    GetTraceImages(resources));
+                submitted = true;
                 MarkSampledImagesInitialized(resources);
                 MarkStorageImagesInitialized(resources, traceContents: false);
                 TraceVulkanShader(
                     $"vk.compute_dispatch groups={work.GroupCountX}x" +
                     $"{work.GroupCountY}x{work.GroupCountZ} " +
-                    $"textures={work.Textures.Count} cs=0x{work.ShaderAddress:X16} " +
+                    $"textures={work.Textures.Count} cs=0x{work.ShaderAddress:X16}");
-                    $"batches={batchCount}");
             }
             catch (Exception exception)
             {
-                if (TryMarkDeviceLost(exception))
-                {
-                    return;
-                }
-
                 Console.Error.WriteLine(
-                    $"[LOADER][ERROR] Vulkan compute dispatch failed " +
+                    $"[LOADER][ERROR] Vulkan compute dispatch failed: {exception.Message}");
-                    $"cs=0x{work.ShaderAddress:X16}: {exception.Message}");
             }
             finally
             {
@@ -4171,9 +3851,7 @@ internal static unsafe class VulkanVideoPresenter
 
         private void RecordChunkedComputeDispatch(
             CommandBuffer commandBuffer,
-            VulkanComputeGuestDispatch work,
+            VulkanComputeGuestDispatch work)
-            uint zStart,
-            uint zCount)
         {
             const uint maxWorkgroupsPerCommand = 4096;
             var yChunk = Math.Max(
@@ -4183,7 +3861,7 @@ internal static unsafe class VulkanVideoPresenter
                     maxWorkgroupsPerCommand / Math.Max(work.GroupCountX, 1u)));
             var commandCount = 0u;
 
-            for (var z = zStart; z < zStart + zCount; z++)
+            for (var z = 0u; z < work.GroupCountZ; z++)
             {
                 for (var y = 0u; y < work.GroupCountY; y += yChunk)
                 {
@@ -4205,17 +3883,12 @@ internal static unsafe class VulkanVideoPresenter
                 TraceVulkanShader(
                     $"vk.compute_chunked cs=0x{work.ShaderAddress:X16} " +
                     $"groups={work.GroupCountX}x{work.GroupCountY}x{work.GroupCountZ} " +
-                    $"z_range={zStart}..{zStart + zCount} commands={commandCount} y_chunk={yChunk}");
+                    $"commands={commandCount} y_chunk={yChunk}");
             }
         }
 
         private void ExecuteOffscreenDraw(VulkanOffscreenGuestDraw work)
         {
-            if (_deviceLost)
-            {
-                return;
-            }
-
             var format = GetRenderTargetFormat(work.Target.Format, work.Target.NumberType);
             if (format == Format.Undefined)
             {
@@ -4373,11 +4046,6 @@ internal static unsafe class VulkanVideoPresenter
             }
             catch (Exception exception)
             {
-                if (TryMarkDeviceLost(exception))
-                {
-                    return;
-                }
-
                 if (!_guestImages.TryGetValue(work.Target.Address, out var failedTarget) ||
                     !failedTarget.Initialized)
                 {
@@ -4423,23 +4091,6 @@ internal static unsafe class VulkanVideoPresenter
                     existing.MipLevels == mipLevels &&
                     existing.Format == format)
                 {
-                    if (existing.RenderPass.Handle == 0)
-                    {
-                        var attachmentView = existing.MipViews.Length > 0
-                            ? existing.MipViews[0]
-                            : existing.View;
-                        var (promotedRenderPass, promotedFramebuffer) = CreateRenderPassAndFramebuffer(
-                            existing.Format,
-                            attachmentView,
-                            existing.Width,
-                            existing.Height);
-                        existing.RenderPass = promotedRenderPass;
-                        existing.Framebuffer = promotedFramebuffer;
-                        var promotedName = GuestImageDebugName(target, format);
-                        SetDebugName(ObjectType.RenderPass, promotedRenderPass.Handle, $"{promotedName} renderpass");
-                        SetDebugName(ObjectType.Framebuffer, promotedFramebuffer.Handle, $"{promotedName} framebuffer");
-                    }
-
                     return existing;
                 }
 
@@ -4520,48 +4171,6 @@ internal static unsafe class VulkanVideoPresenter
                 mipViews[mipLevel] = mipView;
             }
 
-            var (renderPass, framebuffer) = CreateRenderPassAndFramebuffer(
-                format,
-                mipViews[0],
-                target.Width,
-                target.Height);
-
-            var resource = new GuestImageResource
-            {
-                Address = target.Address,
-                Width = target.Width,
-                Height = target.Height,
-                MipLevels = mipLevels,
-                Format = format,
-                Image = image,
-                Memory = memory,
-                View = view,
-                MipViews = mipViews,
-                RenderPass = renderPass,
-                Framebuffer = framebuffer,
-            };
-            var debugName = GuestImageDebugName(target, format);
-            SetDebugName(ObjectType.Image, image.Handle, $"{debugName} image");
-            SetDebugName(ObjectType.ImageView, view.Handle, $"{debugName} view");
-            for (var mipLevel = 0; mipLevel < mipViews.Length; mipLevel++)
-            {
-                SetDebugName(
-                    ObjectType.ImageView,
-                    mipViews[mipLevel].Handle,
-                    $"{debugName} mip{mipLevel}");
-            }
-            SetDebugName(ObjectType.RenderPass, renderPass.Handle, $"{debugName} renderpass");
-            SetDebugName(ObjectType.Framebuffer, framebuffer.Handle, $"{debugName} framebuffer");
-            _guestImages.Add(target.Address, resource);
-            return resource;
-        }
-
-        private (RenderPass RenderPass, Framebuffer Framebuffer) CreateRenderPassAndFramebuffer(
-            Format format,
-            ImageView attachmentView,
-            uint width,
-            uint height)
-        {
             var colorAttachment = new AttachmentDescription
             {
                 Format = format,
@@ -4596,22 +4205,49 @@ internal static unsafe class VulkanVideoPresenter
                 _vk.CreateRenderPass(_device, &renderPassInfo, null, out var renderPass),
                 "vkCreateRenderPass(offscreen)");
 
-            var attachment = attachmentView;
+            var attachment = mipViews[0];
             var framebufferInfo = new FramebufferCreateInfo
             {
                 SType = StructureType.FramebufferCreateInfo,
                 RenderPass = renderPass,
                 AttachmentCount = 1,
                 PAttachments = &attachment,
-                Width = width,
+                Width = target.Width,
-                Height = height,
+                Height = target.Height,
                 Layers = 1,
             };
             Check(
                 _vk.CreateFramebuffer(_device, &framebufferInfo, null, out var framebuffer),
                 "vkCreateFramebuffer(offscreen)");
 
-            return (renderPass, framebuffer);
+            var resource = new GuestImageResource
+            {
+                Address = target.Address,
+                Width = target.Width,
+                Height = target.Height,
+                MipLevels = mipLevels,
+                Format = format,
+                Image = image,
+                Memory = memory,
+                View = view,
+                MipViews = mipViews,
+                RenderPass = renderPass,
+                Framebuffer = framebuffer,
+            };
+            var debugName = GuestImageDebugName(target, format);
+            SetDebugName(ObjectType.Image, image.Handle, $"{debugName} image");
+            SetDebugName(ObjectType.ImageView, view.Handle, $"{debugName} view");
+            for (var mipLevel = 0; mipLevel < mipViews.Length; mipLevel++)
+            {
+                SetDebugName(
+                    ObjectType.ImageView,
+                    mipViews[mipLevel].Handle,
+                    $"{debugName} mip{mipLevel}");
+            }
+            SetDebugName(ObjectType.RenderPass, renderPass.Handle, $"{debugName} renderpass");
+            SetDebugName(ObjectType.Framebuffer, framebuffer.Handle, $"{debugName} framebuffer");
+            _guestImages.Add(target.Address, resource);
+            return resource;
         }
 
         private static uint ClampMipLevels(uint width, uint height, uint requestedMipLevels)
@@ -4833,10 +4469,7 @@ internal static unsafe class VulkanVideoPresenter
             }
 
             _commandBuffer = _presentationCommandBuffer;
-            if (!_deviceLost)
+            CollectCompletedGuestSubmissions(waitForOldest: false);
-            {
-                CollectCompletedGuestSubmissions(waitForOldest: false);
-            }
 
             var completedWork = 0;
             while (completedWork < MaxGuestWorkPerRender &&
@@ -5694,12 +5327,6 @@ internal static unsafe class VulkanVideoPresenter
                    string.Equals(mode, "present", StringComparison.OrdinalIgnoreCase);
         }
 
-        private static bool ShouldTraceVulkanResources() =>
-            string.Equals(
-                Environment.GetEnvironmentVariable("SHARPEMU_LOG_VK_RESOURCES"),
-                "1",
-                StringComparison.Ordinal);
-
         private void RecordTranslatedGraphicsPass(
             TranslatedDrawResources resources,
             RenderPass renderPass,
@@ -6329,10 +5956,6 @@ internal static unsafe class VulkanVideoPresenter
                 return;
             }
 
-            if (_debugUtils is not null && _debugMessenger.Handle != 0)
-            {
-                _debugUtils.DestroyDebugUtilsMessenger(_instance, _debugMessenger, null);
-            }
             _vulkanReady = false;
             _vk.DeviceWaitIdle(_device);
             CollectCompletedGuestSubmissions(waitForOldest: false);
@@ -6535,25 +6158,6 @@ internal static unsafe class VulkanVideoPresenter
             }
         }
 
-        private bool TryMarkDeviceLost(Exception exception)
-        {
-            if (!exception.Message.Contains(nameof(Result.ErrorDeviceLost), StringComparison.Ordinal))
-            {
-                return false;
-            }
-
-            _deviceLost = true;
-            if (!_deviceLostLogged)
-            {
-                _deviceLostLogged = true;
-                Console.Error.WriteLine(
-                    "[LOADER][ERROR] Vulkan device lost; dropping subsequent guest GPU work. " +
-                    exception.Message);
-            }
-
-            return true;
-        }
-
         private static void TraceVulkanShader(string message)
         {
             if (!string.Equals(Environment.GetEnvironmentVariable("SHARPEMU_LOG_AGC"), "1", StringComparison.Ordinal) &&

src/SharpEmu.Libs/packages.lock.json

@@ -11,16 +11,6 @@
           "Silk.NET.Core": "2.23.0"
         }
       },
-      "Silk.NET.Vulkan.Extensions.EXT": {
-        "type": "Direct",
-        "requested": "[2.23.0, )",
-        "resolved": "2.23.0",
-        "contentHash": "+Oth189ksRiL6HvGCwIdnsYHawqrbO8y49u1H61z3wsfcHhQZeVDYe/wF5LD7fk3NcdgDvwFD3mLm1QWhdZySw==",
-        "dependencies": {
-          "Silk.NET.Core": "2.23.0",
-          "Silk.NET.Vulkan": "2.23.0"
-        }
-      },
       "Silk.NET.Vulkan.Extensions.KHR": {
         "type": "Direct",
         "requested": "[2.23.0, )",

src/SharpEmu.Logging/SharpEmu.Logging.csproj

@@ -4,7 +4,4 @@ SPDX-License-Identifier: GPL-2.0-or-later
 -->
 
 <Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <NoWarn>$(NoWarn);1591</NoWarn>
-  </PropertyGroup>
 </Project>