From 00dad0a5e2b08f56de7988bb8d3c501c280a168a Mon Sep 17 00:00:00 2001
From: KeatonTheBot <keaton@ryujinx.app>
Date: Sat, 21 Feb 2026 20:10:22 -0600
Subject: [PATCH] Windows ARM (win-arm64) build now launches with trimming
 (ryubing/ryujinx!277)

See merge request ryubing/ryujinx!277
---
 Directory.Packages.props                      |  3 +-
 src/Ryujinx.Common/Ryujinx.Common.csproj      |  1 -
 src/Ryujinx/Ryujinx.csproj                    |  5 --
 .../Utilities/SystemInfo/WindowsSystemInfo.cs | 51 +++++--------------
 4 files changed, 15 insertions(+), 45 deletions(-)

diff --git a/Directory.Packages.props b/Directory.Packages.props
index fd61602a8..7f437a93a 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -56,7 +56,6 @@
     <PackageVersion Include="SkiaSharp.NativeAssets.Linux" Version="2.88.9" />
     <PackageVersion Include="SPB" Version="0.0.4-build32" />
     <PackageVersion Include="System.IO.Hashing" Version="9.0.2" />
-    <PackageVersion Include="System.Management" Version="9.0.2" />
     <PackageVersion Include="UnicornEngine.Unicorn" Version="2.0.2-rc1-fb78016" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/src/Ryujinx.Common/Ryujinx.Common.csproj b/src/Ryujinx.Common/Ryujinx.Common.csproj
index e31d2f3bc..60a75a7b2 100644
--- a/src/Ryujinx.Common/Ryujinx.Common.csproj
+++ b/src/Ryujinx.Common/Ryujinx.Common.csproj
@@ -10,7 +10,6 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.IO.RecyclableMemoryStream" />
     <PackageReference Include="MsgPack.Cli" />
-    <PackageReference Include="System.Management" />
     <PackageReference Include="Humanizer" />
     <PackageReference Include="Gommon" />
   </ItemGroup>
diff --git a/src/Ryujinx/Ryujinx.csproj b/src/Ryujinx/Ryujinx.csproj
index 5da152501..715460274 100644
--- a/src/Ryujinx/Ryujinx.csproj
+++ b/src/Ryujinx/Ryujinx.csproj
@@ -28,11 +28,6 @@
     <PublishTrimmed>true</PublishTrimmed>
     <TrimMode>partial</TrimMode>
   </PropertyGroup>
-
-  <PropertyGroup Condition="'$(RuntimeIdentifier)' == 'win-arm64'">
-    <PublishSingleFile>true</PublishSingleFile>
-    <PublishTrimmed>false</PublishTrimmed>
-  </PropertyGroup>
   
   <!--
     FluentAvalonia, used in the Avalonia UI, requires a workaround for the json serializer used internally when using .NET 8+ System.Text.Json.
diff --git a/src/Ryujinx/Utilities/SystemInfo/WindowsSystemInfo.cs b/src/Ryujinx/Utilities/SystemInfo/WindowsSystemInfo.cs
index c6e8894e2..e00475a96 100644
--- a/src/Ryujinx/Utilities/SystemInfo/WindowsSystemInfo.cs
+++ b/src/Ryujinx/Utilities/SystemInfo/WindowsSystemInfo.cs
@@ -1,6 +1,5 @@
 using Ryujinx.Common.Logging;
 using System;
-using System.Management;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
 
@@ -11,7 +10,7 @@ namespace Ryujinx.Ava.Utilities.SystemInfo
     {
         internal WindowsSystemInfo()
         {
-            CpuName = $"{GetCpuidCpuName() ?? GetCpuNameWMI()} ; {LogicalCoreCount} logical"; // WMI is very slow
+            CpuName = $"{GetCpuidCpuName() ?? GetCpuNameFromRegistry()} ; {LogicalCoreCount} logical";
             (RamTotal, RamAvailable) = GetMemoryStats();
         }
 
@@ -28,25 +27,26 @@ namespace Ryujinx.Ava.Utilities.SystemInfo
             return (0, 0);
         }
 
-        private static string GetCpuNameWMI()
+        private static string GetCpuNameFromRegistry()
         {
-            ManagementObjectCollection cpuObjs = GetWMIObjects("root\\CIMV2", "SELECT * FROM Win32_Processor");
-
-            if (cpuObjs != null)
+            try
             {
-                foreach (ManagementBaseObject cpuObj in cpuObjs)
-                {
-                    return cpuObj["Name"].ToString().Trim();
-                }
-            }
+                using var key = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(@"HARDWARE\DESCRIPTION\System\CentralProcessor\0");
 
-            return Environment.GetEnvironmentVariable("PROCESSOR_IDENTIFIER")?.Trim();
+                return key?.GetValue("ProcessorNameString")?.ToString()?.Trim();
+            }
+            catch (Exception ex)
+            {
+                Logger.Error?.Print(LogClass.Application, $"Registry CPU name lookup failed: {ex.Message}");
+
+                return Environment.GetEnvironmentVariable("PROCESSOR_IDENTIFIER")?.Trim();
+            }
         }
 
         [StructLayout(LayoutKind.Sequential)]
-        private struct MemoryStatusEx
+        private struct MemoryStatusEx()
         {
-            public uint Length;
+            public uint Length = (uint)Marshal.SizeOf<MemoryStatusEx>();
             public uint MemoryLoad;
             public ulong TotalPhys;
             public ulong AvailPhys;
@@ -55,33 +55,10 @@ namespace Ryujinx.Ava.Utilities.SystemInfo
             public ulong TotalVirtual;
             public ulong AvailVirtual;
             public ulong AvailExtendedVirtual;
-
-            public MemoryStatusEx()
-            {
-                Length = (uint)Marshal.SizeOf<MemoryStatusEx>();
-            }
         }
 
         [LibraryImport("kernel32.dll", SetLastError = true)]
         [return: MarshalAs(UnmanagedType.Bool)]
         private static partial bool GlobalMemoryStatusEx(ref MemoryStatusEx lpBuffer);
-
-        private static ManagementObjectCollection GetWMIObjects(string scope, string query)
-        {
-            try
-            {
-                return new ManagementObjectSearcher(scope, query).Get();
-            }
-            catch (PlatformNotSupportedException ex)
-            {
-                Logger.Error?.Print(LogClass.Application, $"WMI isn't available : {ex.Message}");
-            }
-            catch (COMException ex)
-            {
-                Logger.Error?.Print(LogClass.Application, $"WMI isn't available : {ex.Message}");
-            }
-
-            return null;
-        }
     }
 }