Merge branch 'GreemDev:master' into master

COMPILING.md

@@ -5,7 +5,7 @@ If you wish to build the emulator yourself, follow these steps:
 
 ### Step 1
 
-Install the [.NET 8.0 (or higher) SDK](https://dotnet.microsoft.com/download/dotnet/8.0).
+Install the [.NET 9.0 (or higher) SDK](https://dotnet.microsoft.com/download/dotnet/9.0).
 Make sure your SDK version is higher or equal to the required version specified in [global.json](global.json).
 
 ### Step 2

Directory.Build.props

@@ -0,0 +1,6 @@
+<Project>
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
+  </PropertyGroup>
+</Project>

Directory.Packages.props

@@ -48,8 +48,8 @@
     <PackageVersion Include="SkiaSharp" Version="2.88.7" />
     <PackageVersion Include="SkiaSharp.NativeAssets.Linux" Version="2.88.7" />
     <PackageVersion Include="SPB" Version="0.0.4-build32" />
-    <PackageVersion Include="System.IO.Hashing" Version="8.0.0" />
-    <PackageVersion Include="System.Management" Version="8.0.0" />
+    <PackageVersion Include="System.IO.Hashing" Version="9.0.0" />
+    <PackageVersion Include="System.Management" Version="9.0.0" />
     <PackageVersion Include="UnicornEngine.Unicorn" Version="2.0.2-rc1-fb78016" />
   </ItemGroup>
 </Project>

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.100",
+    "version": "9.0.100",
     "rollForward": "latestFeature"
   }
 }

src/ARMeilleure/ARMeilleure.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/ARMeilleure/Decoders/DecoderHelper.cs

@@ -1,4 +1,5 @@
 using ARMeilleure.Common;
+using System;
 
 namespace ARMeilleure.Decoders
 {
@@ -149,7 +150,7 @@ namespace ARMeilleure.Decoders
             return (((long)opCode << 45) >> 48) & ~3;
         }
 
-        public static bool VectorArgumentsInvalid(bool q, params int[] args)
+        public static bool VectorArgumentsInvalid(bool q, params ReadOnlySpan<int> args)
         {
             if (q)
             {

src/ARMeilleure/Instructions/SoftFallback.cs

@@ -264,7 +264,7 @@ namespace ARMeilleure.Instructions
             return TblOrTbx(dest, vector, bytes, tb0, tb1, tb2, tb3);
         }
 
-        private static V128 TblOrTbx(V128 dest, V128 vector, int bytes, params V128[] tb)
+        private static V128 TblOrTbx(V128 dest, V128 vector, int bytes, params ReadOnlySpan<V128> tb)
         {
             byte[] res = new byte[16];
 

src/ARMeilleure/IntermediateRepresentation/Operation.cs

@@ -337,7 +337,7 @@ namespace ARMeilleure.IntermediateRepresentation
                 return result;
             }
 
-            public static Operation Operation(Intrinsic intrin, Operand dest, params Operand[] srcs)
+            public static Operation Operation(Intrinsic intrin, Operand dest, params ReadOnlySpan<Operand> srcs)
             {
                 Operation result = Make(Instruction.Extended, 0, srcs.Length);
 

src/ARMeilleure/Translation/Cache/JitCache.cs

@@ -8,6 +8,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
+using System.Threading;
 
 namespace ARMeilleure.Translation.Cache
 {
@@ -26,7 +27,7 @@ namespace ARMeilleure.Translation.Cache
 
         private static readonly List<CacheEntry> _cacheEntries = new();
 
-        private static readonly object _lock = new();
+        private static readonly Lock _lock = new();
         private static bool _initialized;
 
         [SupportedOSPlatform("windows")]

src/ARMeilleure/Translation/EmitterContext.cs

@@ -559,27 +559,27 @@ namespace ARMeilleure.Translation
             return dest;
         }
 
-        public Operand AddIntrinsic(Intrinsic intrin, params Operand[] args)
+        public Operand AddIntrinsic(Intrinsic intrin, params ReadOnlySpan<Operand> args)
         {
             return Add(intrin, Local(OperandType.V128), args);
         }
 
-        public Operand AddIntrinsicInt(Intrinsic intrin, params Operand[] args)
+        public Operand AddIntrinsicInt(Intrinsic intrin, params ReadOnlySpan<Operand> args)
         {
             return Add(intrin, Local(OperandType.I32), args);
         }
 
-        public Operand AddIntrinsicLong(Intrinsic intrin, params Operand[] args)
+        public Operand AddIntrinsicLong(Intrinsic intrin, params ReadOnlySpan<Operand> args)
         {
             return Add(intrin, Local(OperandType.I64), args);
         }
 
-        public void AddIntrinsicNoRet(Intrinsic intrin, params Operand[] args)
+        public void AddIntrinsicNoRet(Intrinsic intrin, params ReadOnlySpan<Operand> args)
         {
             Add(intrin, default, args);
         }
 
-        private Operand Add(Intrinsic intrin, Operand dest, params Operand[] sources)
+        private Operand Add(Intrinsic intrin, Operand dest, params ReadOnlySpan<Operand> sources)
         {
             NewNextBlockIfNeeded();
 

src/ARMeilleure/Translation/PTC/Ptc.cs

@@ -59,7 +59,7 @@ namespace ARMeilleure.Translation.PTC
 
         private readonly ManualResetEvent _waitEvent;
 
-        private readonly object _lock;
+        private readonly Lock _lock = new();
 
         private bool _disposed;
 
@@ -89,8 +89,6 @@ namespace ARMeilleure.Translation.PTC
 
             _waitEvent = new ManualResetEvent(true);
 
-            _lock = new object();
-
             _disposed = false;
 
             TitleIdText = TitleIdTextDefault;

src/ARMeilleure/Translation/PTC/PtcProfiler.cs

@@ -41,7 +41,7 @@ namespace ARMeilleure.Translation.PTC
 
         private readonly ManualResetEvent _waitEvent;
 
-        private readonly object _lock;
+        private readonly Lock _lock = new();
 
         private bool _disposed;
 
@@ -65,8 +65,6 @@ namespace ARMeilleure.Translation.PTC
 
             _waitEvent = new ManualResetEvent(true);
 
-            _lock = new object();
-
             _disposed = false;
 
             ProfiledFuncs = new Dictionary<ulong, FuncProfile>();

src/Ryujinx.Audio.Backends.OpenAL/OpenALHardwareDeviceSession.cs

@@ -5,6 +5,7 @@ using Ryujinx.Memory;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Threading;
 
 namespace Ryujinx.Audio.Backends.OpenAL
 {
@@ -18,7 +19,7 @@ namespace Ryujinx.Audio.Backends.OpenAL
         private ulong _playedSampleCount;
         private float _volume;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         public OpenALHardwareDeviceSession(OpenALHardwareDeviceDriver driver, IVirtualMemoryManager memoryManager, SampleFormat requestedSampleFormat, uint requestedSampleRate, uint requestedChannelCount) : base(memoryManager, requestedSampleFormat, requestedSampleRate, requestedChannelCount)
         {

src/Ryujinx.Audio.Backends.OpenAL/Ryujinx.Audio.Backends.OpenAL.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>
 

src/Ryujinx.Audio.Backends.SDL2/Ryujinx.Audio.Backends.SDL2.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Audio.Backends.SoundIo/Ryujinx.Audio.Backends.SoundIo.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <RuntimeIdentifiers>win-x64;osx-x64;linux-x64</RuntimeIdentifiers>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>

src/Ryujinx.Audio/AudioManager.cs

@@ -11,7 +11,7 @@ namespace Ryujinx.Audio
         /// <summary>
         /// Lock used to control the waiters registration.
         /// </summary>
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         /// <summary>
         /// Events signaled when the driver played audio buffers.

src/Ryujinx.Audio/Backends/Common/DynamicRingBuffer.cs

@@ -2,6 +2,7 @@ using Ryujinx.Common;
 using Ryujinx.Common.Memory;
 using System;
 using System.Buffers;
+using System.Threading;
 
 namespace Ryujinx.Audio.Backends.Common
 {
@@ -12,7 +13,7 @@ namespace Ryujinx.Audio.Backends.Common
     {
         private const int RingBufferAlignment = 2048;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         private MemoryOwner<byte> _bufferOwner;
         private Memory<byte> _buffer;

src/Ryujinx.Audio/Input/AudioInputManager.cs

@@ -14,12 +14,12 @@ namespace Ryujinx.Audio.Input
     /// </summary>
     public class AudioInputManager : IDisposable
     {
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         /// <summary>
         /// Lock used for session allocation.
         /// </summary>
-        private readonly object _sessionLock = new();
+        private readonly Lock _sessionLock = new();
 
         /// <summary>
         /// The session ids allocation table.

src/Ryujinx.Audio/Input/AudioInputSystem.cs

@@ -48,7 +48,7 @@ namespace Ryujinx.Audio.Input
         /// <summary>
         /// The lock of the parent.
         /// </summary>
-        private readonly object _parentLock;
+        private readonly Lock _parentLock;
 
         /// <summary>
         /// The dispose state.
@@ -62,7 +62,7 @@ namespace Ryujinx.Audio.Input
         /// <param name="parentLock">The lock of the manager</param>
         /// <param name="deviceSession">The hardware device session</param>
         /// <param name="bufferEvent">The buffer release event of the audio input</param>
-        public AudioInputSystem(AudioInputManager manager, object parentLock, IHardwareDeviceSession deviceSession, IWritableEvent bufferEvent)
+        public AudioInputSystem(AudioInputManager manager, Lock parentLock, IHardwareDeviceSession deviceSession, IWritableEvent bufferEvent)
         {
             _manager = manager;
             _parentLock = parentLock;

src/Ryujinx.Audio/Output/AudioOutputManager.cs

@@ -14,12 +14,12 @@ namespace Ryujinx.Audio.Output
     /// </summary>
     public class AudioOutputManager : IDisposable
     {
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         /// <summary>
         /// Lock used for session allocation.
         /// </summary>
-        private readonly object _sessionLock = new();
+        private readonly Lock _sessionLock = new();
 
         /// <summary>
         /// The session ids allocation table.

src/Ryujinx.Audio/Output/AudioOutputSystem.cs

@@ -48,7 +48,7 @@ namespace Ryujinx.Audio.Output
         /// <summary>
         /// THe lock of the parent.
         /// </summary>
-        private readonly object _parentLock;
+        private readonly Lock _parentLock;
 
         /// <summary>
         /// The dispose state.
@@ -62,7 +62,7 @@ namespace Ryujinx.Audio.Output
         /// <param name="parentLock">The lock of the manager</param>
         /// <param name="deviceSession">The hardware device session</param>
         /// <param name="bufferEvent">The buffer release event of the audio output</param>
-        public AudioOutputSystem(AudioOutputManager manager, object parentLock, IHardwareDeviceSession deviceSession, IWritableEvent bufferEvent)
+        public AudioOutputSystem(AudioOutputManager manager, Lock parentLock, IHardwareDeviceSession deviceSession, IWritableEvent bufferEvent)
         {
             _manager = manager;
             _parentLock = parentLock;

src/Ryujinx.Audio/Renderer/Server/AudioRenderSystem.cs

@@ -26,7 +26,7 @@ namespace Ryujinx.Audio.Renderer.Server
 {
     public class AudioRenderSystem : IDisposable
     {
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         private AudioRendererRenderingDevice _renderingDevice;
         private AudioRendererExecutionMode _executionMode;

src/Ryujinx.Audio/Renderer/Server/AudioRendererManager.cs

@@ -19,12 +19,12 @@ namespace Ryujinx.Audio.Renderer.Server
         /// <summary>
         /// Lock used for session allocation.
         /// </summary>
-        private readonly object _sessionLock = new();
+        private readonly Lock _sessionLock = new();
 
         /// <summary>
         /// Lock used to control the <see cref="AudioProcessor"/> running state.
         /// </summary>
-        private readonly object _audioProcessorLock = new();
+        private readonly Lock _audioProcessorLock = new();
 
         /// <summary>
         /// The session ids allocation table.

src/Ryujinx.Audio/Renderer/Server/Upsampler/UpsamplerManager.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Diagnostics;
+using System.Threading;
 
 namespace Ryujinx.Audio.Renderer.Server.Upsampler
 {
@@ -16,7 +17,7 @@ namespace Ryujinx.Audio.Renderer.Server.Upsampler
         /// <summary>
         /// Global lock of the object.
         /// </summary>
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         /// <summary>
         /// The upsamplers instances.

src/Ryujinx.Audio/Ryujinx.Audio.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Common/PreciseSleep/NanosleepPool.cs

@@ -124,7 +124,7 @@ namespace Ryujinx.Common.PreciseSleep
             }
         }
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
         private readonly List<NanosleepThread> _threads = new();
         private readonly List<NanosleepThread> _active = new();
         private readonly Stack<NanosleepThread> _free = new();

src/Ryujinx.Common/PreciseSleep/WindowsGranularTimer.cs

@@ -50,7 +50,7 @@ namespace Ryujinx.Common.SystemInterop
         private long _lastTicks = PerformanceCounter.ElapsedTicks;
         private long _lastId;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
         private readonly List<WaitingObject> _waitingObjects = new();
 
         private WindowsGranularTimer()

src/Ryujinx.Common/Ryujinx.Common.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefineConstants Condition=" '$(ExtraDefineConstants)' != '' ">$(DefineConstants);$(ExtraDefineConstants)</DefineConstants>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>

src/Ryujinx.Cpu/AppleHv/HvVm.cs

@@ -1,6 +1,7 @@
 using Ryujinx.Memory;
 using System;
 using System.Runtime.Versioning;
+using System.Threading;
 
 namespace Ryujinx.Cpu.AppleHv
 {
@@ -12,7 +13,7 @@ namespace Ryujinx.Cpu.AppleHv
 
         private static int _addressSpaces;
         private static HvIpaAllocator _ipaAllocator;
-        private static readonly object _lock = new();
+        private static readonly Lock _lock = new();
 
         public static (ulong, HvIpaAllocator) CreateAddressSpace(MemoryBlock block)
         {

src/Ryujinx.Cpu/LightningJit/Arm32/Target/Arm64/InstEmitSystem.cs

@@ -478,7 +478,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm32.Target.Arm64
             bool skipContext,
             int spillBaseOffset,
             int? resultRegister,
-            params ulong[] callArgs)
+            params ReadOnlySpan<ulong> callArgs)
         {
             uint resultMask = 0u;
 

src/Ryujinx.Cpu/LightningJit/Arm64/Target/Arm64/InstEmitSystem.cs

@@ -417,7 +417,7 @@ namespace Ryujinx.Cpu.LightningJit.Arm64.Target.Arm64
             nint funcPtr,
             int spillBaseOffset,
             int? resultRegister,
-            params ulong[] callArgs)
+            params ReadOnlySpan<ulong> callArgs)
         {
             uint resultMask = 0u;
 

src/Ryujinx.Cpu/LightningJit/Cache/JitCache.cs

@@ -5,6 +5,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Runtime.InteropServices;
 using System.Runtime.Versioning;
+using System.Threading;
 
 namespace Ryujinx.Cpu.LightningJit.Cache
 {
@@ -23,7 +24,7 @@ namespace Ryujinx.Cpu.LightningJit.Cache
 
         private static readonly List<CacheEntry> _cacheEntries = new();
 
-        private static readonly object _lock = new();
+        private static readonly Lock _lock = new();
         private static bool _initialized;
 
         [SupportedOSPlatform("windows")]

src/Ryujinx.Cpu/LightningJit/Cache/NoWxCache.cs

@@ -4,6 +4,7 @@ using Ryujinx.Memory;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Threading;
 
 namespace Ryujinx.Cpu.LightningJit.Cache
 {
@@ -104,7 +105,7 @@ namespace Ryujinx.Cpu.LightningJit.Cache
         private readonly MemoryCache _sharedCache;
         private readonly MemoryCache _localCache;
         private readonly PageAlignedRangeList _pendingMap;
-        private readonly object _lock;
+        private readonly Lock _lock = new();
 
         class ThreadLocalCacheEntry
         {
@@ -137,7 +138,6 @@ namespace Ryujinx.Cpu.LightningJit.Cache
             _sharedCache = new(allocator, SharedCacheSize);
             _localCache = new(allocator, LocalCacheSize);
             _pendingMap = new(_sharedCache.ReprotectAsRx, RegisterFunction);
-            _lock = new();
         }
 
         public unsafe nint Map(nint framePointer, ReadOnlySpan<byte> code, ulong guestAddress, ulong guestSize)

src/Ryujinx.Cpu/Ryujinx.Cpu.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Cpu/Signal/NativeSignalHandler.cs

@@ -5,6 +5,7 @@ using System;
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using System.Threading;
 
 namespace Ryujinx.Cpu.Signal
 {
@@ -59,7 +60,7 @@ namespace Ryujinx.Cpu.Signal
 
         private static MemoryBlock _codeBlock;
 
-        private static readonly object _lock = new();
+        private static readonly Lock _lock = new();
         private static bool _initialized;
 
         static NativeSignalHandler()

src/Ryujinx.Graphics.Device/Ryujinx.Graphics.Device.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>
 

src/Ryujinx.Graphics.GAL/Multithreading/ThreadedRenderer.cs

@@ -58,7 +58,7 @@ namespace Ryujinx.Graphics.GAL.Multithreading
         public uint ProgramCount { get; set; } = 0;
 
         private Action _interruptAction;
-        private readonly object _interruptLock = new();
+        private readonly Lock _interruptLock = new();
 
         public event EventHandler<ScreenCaptureImageInfo> ScreenCaptured;
 

src/Ryujinx.Graphics.GAL/Ryujinx.Graphics.GAL.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>
 

src/Ryujinx.Graphics.Gpu/Image/TextureCache.cs

@@ -8,6 +8,7 @@ using Ryujinx.Graphics.Texture;
 using Ryujinx.Memory.Range;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading;
 
 namespace Ryujinx.Graphics.Gpu.Image
@@ -998,7 +999,7 @@ namespace Ryujinx.Graphics.Gpu.Image
                     {
                         bool dataOverlaps = texture.DataOverlaps(overlap, compatibility);
 
-                        if (!overlap.IsView && dataOverlaps && !incompatibleOverlaps.Exists(incompatible => incompatible.Group == overlap.Group))
+                        if (!overlap.IsView && dataOverlaps && !incompatibleOverlaps.Any(incompatible => incompatible.Group == overlap.Group))
                         {
                             incompatibleOverlaps.Add(new TextureIncompatibleOverlap(overlap.Group, compatibility));
                         }

src/Ryujinx.Graphics.Gpu/Image/TextureGroup.cs

@@ -7,6 +7,7 @@ using Ryujinx.Memory.Range;
 using Ryujinx.Memory.Tracking;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Runtime.CompilerServices;
 
 namespace Ryujinx.Graphics.Gpu.Image
@@ -1555,7 +1556,7 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// <param name="copy">True if the overlap should register copy dependencies</param>
         public void RegisterIncompatibleOverlap(TextureIncompatibleOverlap other, bool copy)
         {
-            if (!_incompatibleOverlaps.Exists(overlap => overlap.Group == other.Group))
+            if (!_incompatibleOverlaps.Any(overlap => overlap.Group == other.Group))
             {
                 if (copy && other.Compatibility == TextureViewCompatibility.LayoutIncompatible)
                 {
@@ -1701,3 +1702,4 @@ namespace Ryujinx.Graphics.Gpu.Image
         }
     }
 }
+

src/Ryujinx.Graphics.Gpu/Image/TexturePool.cs

@@ -721,7 +721,7 @@ namespace Ryujinx.Graphics.Gpu.Image
         /// <param name="format">The format of the texture</param>
         /// <param name="components">The texture swizzle components</param>
         /// <returns>The depth-stencil mode</returns>
-        private static DepthStencilMode GetDepthStencilMode(Format format, params SwizzleComponent[] components)
+        private static DepthStencilMode GetDepthStencilMode(Format format, params ReadOnlySpan<SwizzleComponent> components)
         {
             // R = Depth, G = Stencil.
             // On 24-bits depth formats, this is inverted (Stencil is R etc).

src/Ryujinx.Graphics.Gpu/Memory/BufferModifiedRangeList.cs

@@ -2,6 +2,7 @@ using Ryujinx.Common.Pools;
 using Ryujinx.Memory.Range;
 using System;
 using System.Linq;
+using System.Threading;
 
 namespace Ryujinx.Graphics.Gpu.Memory
 {
@@ -76,7 +77,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
         private BufferMigration _source;
         private BufferModifiedRangeList _migrationTarget;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         /// <summary>
         /// Whether the modified range list has any entries or not.

src/Ryujinx.Graphics.Gpu/Ryujinx.Graphics.Gpu.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Graphics.Host1x/Ryujinx.Graphics.Host1x.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>
 

src/Ryujinx.Graphics.Nvdec.FFmpeg/Ryujinx.Graphics.Nvdec.FFmpeg.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Graphics.Nvdec.Vp9/Ryujinx.Graphics.Nvdec.Vp9.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Graphics.Nvdec/Ryujinx.Graphics.Nvdec.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Graphics.OpenGL/Queries/CounterQueue.cs

@@ -19,7 +19,7 @@ namespace Ryujinx.Graphics.OpenGL.Queries
         private ulong _accumulatedCounter;
         private int _waiterCount;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         private readonly Queue<BufferedQuery> _queryPool;
         private readonly AutoResetEvent _queuedEvent = new(false);

src/Ryujinx.Graphics.OpenGL/Queries/CounterQueueEvent.cs

@@ -24,7 +24,7 @@ namespace Ryujinx.Graphics.OpenGL.Queries
         private bool _hostAccessReserved = false;
         private int _refCount = 1; // Starts with a reference from the counter queue.
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
         private ulong _result = ulong.MaxValue;
         private double _divisor = 1f;
 

src/Ryujinx.Graphics.OpenGL/ResourcePool.cs

@@ -2,6 +2,7 @@ using Ryujinx.Graphics.GAL;
 using Ryujinx.Graphics.OpenGL.Image;
 using System;
 using System.Collections.Generic;
+using System.Threading;
 
 namespace Ryujinx.Graphics.OpenGL
 {
@@ -19,7 +20,7 @@ namespace Ryujinx.Graphics.OpenGL
     {
         private const int DisposedLiveFrames = 2;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
         private readonly Dictionary<TextureCreateInfo, List<DisposedTexture>> _textures = new();
 
         /// <summary>

src/Ryujinx.Graphics.OpenGL/Ryujinx.Graphics.OpenGL.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs

@@ -4,6 +4,7 @@ using Ryujinx.Graphics.Shader.StructuredIr;
 using Ryujinx.Graphics.Shader.Translation;
 using System;
 using System.Collections.Generic;
+using System.Threading;
 using static Spv.Specification;
 
 namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
@@ -19,13 +20,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
         private const int GeneratorPoolCount = 1;
         private static readonly ObjectPool<SpvInstructionPool> _instructionPool;
         private static readonly ObjectPool<SpvLiteralIntegerPool> _integerPool;
-        private static readonly object _poolLock;
+        private static readonly Lock _poolLock = new();
 
         static SpirvGenerator()
         {
             _instructionPool = new(() => new SpvInstructionPool(), GeneratorPoolCount);
             _integerPool = new(() => new SpvLiteralIntegerPool(), GeneratorPoolCount);
-            _poolLock = new object();
         }
 
         private const HelperFunctionsMask NeedsInvocationIdMask = HelperFunctionsMask.SwizzleAdd;

src/Ryujinx.Graphics.Shader/Ryujinx.Graphics.Shader.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>
 

src/Ryujinx.Graphics.Texture/Ryujinx.Graphics.Texture.csproj

@@ -1,6 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Graphics.Vic/Ryujinx.Graphics.Vic.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>

src/Ryujinx.Graphics.Video/Ryujinx.Graphics.Video.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>
 

src/Ryujinx.Graphics.Vulkan/BackgroundResources.cs

@@ -25,7 +25,7 @@ namespace Ryujinx.Graphics.Vulkan
             {
                 bool useBackground = _gd.BackgroundQueue.Handle != 0 && _gd.Vendor != Vendor.Amd;
                 Queue queue = useBackground ? _gd.BackgroundQueue : _gd.Queue;
-                object queueLock = useBackground ? _gd.BackgroundQueueLock : _gd.QueueLock;
+                Lock queueLock = useBackground ? _gd.BackgroundQueueLock : _gd.QueueLock;
 
                 lock (queueLock)
                 {

src/Ryujinx.Graphics.Vulkan/CommandBufferPool.cs

@@ -17,7 +17,7 @@ namespace Ryujinx.Graphics.Vulkan
         private readonly Vk _api;
         private readonly Device _device;
         private readonly Queue _queue;
-        private readonly object _queueLock;
+        private readonly Lock _queueLock;
         private readonly bool _concurrentFenceWaitUnsupported;
         private readonly CommandPool _pool;
         private readonly Thread _owner;
@@ -63,7 +63,7 @@ namespace Ryujinx.Graphics.Vulkan
             Vk api,
             Device device,
             Queue queue,
-            object queueLock,
+            Lock queueLock,
             uint queueFamilyIndex,
             bool concurrentFenceWaitUnsupported,
             bool isLight = false)

src/Ryujinx.Graphics.Vulkan/FormatCapabilities.cs

@@ -68,7 +68,7 @@ namespace Ryujinx.Graphics.Vulkan
             _optimalTable = new FormatFeatureFlags[totalFormats];
         }
 
-        public bool BufferFormatsSupport(FormatFeatureFlags flags, params Format[] formats)
+        public bool BufferFormatsSupport(FormatFeatureFlags flags, params ReadOnlySpan<Format> formats)
         {
             foreach (Format format in formats)
             {
@@ -81,7 +81,7 @@ namespace Ryujinx.Graphics.Vulkan
             return true;
         }
 
-        public bool OptimalFormatsSupport(FormatFeatureFlags flags, params Format[] formats)
+        public bool OptimalFormatsSupport(FormatFeatureFlags flags, params ReadOnlySpan<Format> formats)
         {
             foreach (Format format in formats)
             {

src/Ryujinx.Graphics.Vulkan/HostMemoryAllocator.cs

@@ -5,6 +5,7 @@ using Silk.NET.Vulkan;
 using Silk.NET.Vulkan.Extensions.EXT;
 using System;
 using System.Collections.Generic;
+using System.Threading;
 
 namespace Ryujinx.Graphics.Vulkan
 {
@@ -31,7 +32,7 @@ namespace Ryujinx.Graphics.Vulkan
         private readonly Vk _api;
         private readonly ExtExternalMemoryHost _hostMemoryApi;
         private readonly Device _device;
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         private readonly List<HostMemoryAllocation> _allocations;
         private readonly IntervalTree<ulong, HostMemoryAllocation> _allocationTree;

src/Ryujinx.Graphics.Vulkan/Queries/CounterQueue.cs

@@ -24,7 +24,7 @@ namespace Ryujinx.Graphics.Vulkan.Queries
         private ulong _accumulatedCounter;
         private int _waiterCount;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         private readonly Queue<BufferedQuery> _queryPool;
         private readonly AutoResetEvent _queuedEvent = new(false);

src/Ryujinx.Graphics.Vulkan/Queries/CounterQueueEvent.cs

@@ -22,7 +22,7 @@ namespace Ryujinx.Graphics.Vulkan.Queries
         private bool _hostAccessReserved;
         private int _refCount = 1; // Starts with a reference from the counter queue.
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
         private ulong _result = ulong.MaxValue;
         private double _divisor = 1f;
 

src/Ryujinx.Graphics.Vulkan/Ryujinx.Graphics.Vulkan.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
     <DefaultItemExcludes>$(DefaultItemExcludes);._*</DefaultItemExcludes>
   </PropertyGroup>
 

src/Ryujinx.Graphics.Vulkan/Shader.cs

@@ -5,6 +5,7 @@ using shaderc;
 using Silk.NET.Vulkan;
 using System;
 using System.Runtime.InteropServices;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace Ryujinx.Graphics.Vulkan
@@ -13,7 +14,7 @@ namespace Ryujinx.Graphics.Vulkan
     {
         // The shaderc.net dependency's Options constructor and dispose are not thread safe.
         // Take this lock when using them.
-        private static readonly object _shaderOptionsLock = new();
+        private static readonly Lock _shaderOptionsLock = new();
 
         private static readonly nint _ptrMainEntryPointName = Marshal.StringToHGlobalAnsi("main");
 

src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs

@@ -11,6 +11,7 @@ using Silk.NET.Vulkan.Extensions.KHR;
 using System;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
+using System.Threading;
 using Format = Ryujinx.Graphics.GAL.Format;
 using PrimitiveTopology = Ryujinx.Graphics.GAL.PrimitiveTopology;
 using SamplerCreateInfo = Ryujinx.Graphics.GAL.SamplerCreateInfo;
@@ -45,8 +46,8 @@ namespace Ryujinx.Graphics.Vulkan
         internal uint QueueFamilyIndex { get; private set; }
         internal Queue Queue { get; private set; }
         internal Queue BackgroundQueue { get; private set; }
-        internal object BackgroundQueueLock { get; private set; }
-        internal object QueueLock { get; private set; }
+        internal Lock BackgroundQueueLock { get; private set; }
+        internal Lock QueueLock { get; private set; }
 
         internal MemoryAllocator MemoryAllocator { get; private set; }
         internal HostMemoryAllocator HostMemoryAllocator { get; private set; }
@@ -163,7 +164,7 @@ namespace Ryujinx.Graphics.Vulkan
             {
                 Api.GetDeviceQueue(_device, queueFamilyIndex, 1, out var backgroundQueue);
                 BackgroundQueue = backgroundQueue;
-                BackgroundQueueLock = new object();
+                BackgroundQueueLock = new();
             }
 
             PhysicalDeviceProperties2 properties2 = new()
@@ -496,7 +497,7 @@ namespace Ryujinx.Graphics.Vulkan
 
             Api.GetDeviceQueue(_device, queueFamilyIndex, 0, out var queue);
             Queue = queue;
-            QueueLock = new object();
+            QueueLock = new();
 
             LoadFeatures(maxQueueCount, queueFamilyIndex);
 

src/Ryujinx.HLE/FileSystem/ContentManager.cs

@@ -22,6 +22,7 @@ using System.IO.Compression;
 using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
+using System.Threading;
 using Path = System.IO.Path;
 
 namespace Ryujinx.HLE.FileSystem
@@ -55,7 +56,7 @@ namespace Ryujinx.HLE.FileSystem
 
         private readonly VirtualFileSystem _virtualFileSystem;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         public ContentManager(VirtualFileSystem virtualFileSystem)
         {
@@ -396,7 +397,7 @@ namespace Ryujinx.HLE.FileSystem
             if (locationList != null)
             {
                 LocationEntry entry =
-                    locationList.ToList().Find(x => x.TitleId == titleId && x.ContentType == contentType);
+                    locationList.ToList().FirstOrDefault(x => x.TitleId == titleId && x.ContentType == contentType);
 
                 if (entry.ContentPath != null)
                 {
@@ -424,7 +425,7 @@ namespace Ryujinx.HLE.FileSystem
         {
             LinkedList<LocationEntry> locationList = _locationEntries[storageId];
 
-            return locationList.ToList().Find(x => x.TitleId == titleId && x.ContentType == contentType);
+            return locationList.ToList().FirstOrDefault(x => x.TitleId == titleId && x.ContentType == contentType);
         }
 
         public void InstallFirmware(string firmwareSource)
@@ -719,7 +720,7 @@ namespace Ryujinx.HLE.FileSystem
 
                 if (updateNcas.TryGetValue(SystemUpdateTitleId, out var ncaEntry))
                 {
-                    string metaPath = ncaEntry.Find(x => x.type == NcaContentType.Meta).path;
+                    string metaPath = ncaEntry.FirstOrDefault(x => x.type == NcaContentType.Meta).path;
 
                     CnmtContentMetaEntry[] metaEntries = null;
 
@@ -755,7 +756,7 @@ namespace Ryujinx.HLE.FileSystem
 
                     if (updateNcas.TryGetValue(SystemVersionTitleId, out var updateNcasItem))
                     {
-                        string versionEntry = updateNcasItem.Find(x => x.type != NcaContentType.Meta).path;
+                        string versionEntry = updateNcasItem.FirstOrDefault(x => x.type != NcaContentType.Meta).path;
 
                         using Stream ncaStream = GetZipStream(archive.GetEntry(versionEntry));
                         Nca nca = new(_virtualFileSystem.KeySet, ncaStream.AsStorage());
@@ -774,9 +775,9 @@ namespace Ryujinx.HLE.FileSystem
                     {
                         if (updateNcas.TryGetValue(metaEntry.TitleId, out ncaEntry))
                         {
-                            metaPath = ncaEntry.Find(x => x.type == NcaContentType.Meta).path;
+                            metaPath = ncaEntry.FirstOrDefault(x => x.type == NcaContentType.Meta).path;
 
-                            string contentPath = ncaEntry.Find(x => x.type != NcaContentType.Meta).path;
+                            string contentPath = ncaEntry.FirstOrDefault(x => x.type != NcaContentType.Meta).path;
 
                             // Nintendo in 9.0.0, removed PPC and only kept the meta nca of it.
                             // This is a perfect valid case, so we should just ignore the missing content nca and continue.
@@ -915,8 +916,8 @@ namespace Ryujinx.HLE.FileSystem
                 {
                     if (updateNcas.TryGetValue(metaEntry.TitleId, out var ncaEntry))
                     {
-                        string metaNcaPath = ncaEntry.Find(x => x.type == NcaContentType.Meta).path;
-                        string contentPath = ncaEntry.Find(x => x.type != NcaContentType.Meta).path;
+                        string metaNcaPath = ncaEntry.FirstOrDefault(x => x.type == NcaContentType.Meta).path;
+                        string contentPath = ncaEntry.FirstOrDefault(x => x.type != NcaContentType.Meta).path;
 
                         // Nintendo in 9.0.0, removed PPC and only kept the meta nca of it.
                         // This is a perfect valid case, so we should just ignore the missing content nca and continue.

src/Ryujinx.HLE/FileSystem/ContentMetaData.cs

@@ -46,7 +46,7 @@ namespace Ryujinx.HLE.FileSystem
                     continue;
                 }
 
-                string ncaId = BitConverter.ToString(entry.NcaId).Replace("-", null).ToLower();
+                string ncaId = Convert.ToHexStringLower(entry.NcaId).Replace("-", null);
                 Nca nca = _pfs.GetNca(keySet, $"/{ncaId}.nca");
 
                 if (nca.GetProgramIndex() == programIndex)

src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardApplet.cs

@@ -14,6 +14,7 @@ using System.IO;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Text;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Applets
 {
@@ -62,7 +63,7 @@ namespace Ryujinx.HLE.HOS.Applets
         private bool _canAcceptController = false;
         private KeyboardInputMode _inputMode = KeyboardInputMode.ControllerAndKeyboard;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         public event EventHandler AppletStateChanged;
 

src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardRendererBase.cs

@@ -6,6 +6,7 @@ using System.Diagnostics;
 using System.IO;
 using System.Reflection;
 using System.Runtime.InteropServices;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
 {
@@ -21,7 +22,7 @@ namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
         const string CancelText = "Cancel";
         const string ControllerToggleText = "Toggle input";
 
-        private readonly object _bufferLock = new();
+        private readonly Lock _bufferLock = new();
 
         private RenderingSurfaceInfo _surfaceInfo = null;
         private SKImageInfo _imageInfo;

src/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/TimedAction.cs

@@ -27,7 +27,7 @@ namespace Ryujinx.HLE.HOS.Applets.SoftwareKeyboard
 
         private TRef<bool> _cancelled = null;
         private Thread _thread = null;
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         public bool IsRunning
         {

src/Ryujinx.HLE/HOS/Horizon.cs

@@ -16,6 +16,8 @@ using Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.SystemA
 using Ryujinx.HLE.HOS.Services.Apm;
 using Ryujinx.HLE.HOS.Services.Caps;
 using Ryujinx.HLE.HOS.Services.Mii;
+using Ryujinx.HLE.HOS.Services.Nfc.AmiiboDecryption;
+using Ryujinx.HLE.HOS.Services.Nfc.Nfp;
 using Ryujinx.HLE.HOS.Services.Nfc.Nfp.NfpManager;
 using Ryujinx.HLE.HOS.Services.Nv;
 using Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostCtrl;
@@ -337,6 +339,11 @@ namespace Ryujinx.HLE.HOS
 
         public void ScanAmiibo(int nfpDeviceId, string amiiboId, bool useRandomUuid)
         {
+            if (VirtualAmiibo.ApplicationBytes.Length > 0)
+            {
+                VirtualAmiibo.ApplicationBytes = new byte[0];
+                VirtualAmiibo.InputBin = string.Empty;
+            }
             if (NfpDevices[nfpDeviceId].State == NfpDeviceState.SearchingForTag)
             {
                 NfpDevices[nfpDeviceId].State = NfpDeviceState.TagFound;
@@ -344,6 +351,22 @@ namespace Ryujinx.HLE.HOS
                 NfpDevices[nfpDeviceId].UseRandomUuid = useRandomUuid;
             }
         }
+        public void ScanAmiiboFromBin(string path)
+        {
+            VirtualAmiibo.InputBin = path;
+            if (VirtualAmiibo.ApplicationBytes.Length > 0)
+            {
+                VirtualAmiibo.ApplicationBytes = new byte[0];
+            }
+            byte[] encryptedData = File.ReadAllBytes(path);
+            VirtualAmiiboFile newFile = AmiiboBinReader.ReadBinFile(encryptedData);
+            if (SearchingForAmiibo(out int nfpDeviceId))
+            {
+                NfpDevices[nfpDeviceId].State = NfpDeviceState.TagFound;
+                NfpDevices[nfpDeviceId].AmiiboId = newFile.AmiiboId;
+                NfpDevices[nfpDeviceId].UseRandomUuid = false;
+            }
+        }
 
         public bool SearchingForAmiibo(out int nfpDeviceId)
         {

src/Ryujinx.HLE/HOS/Kernel/Common/KResourceLimit.cs

@@ -2,6 +2,7 @@ using Ryujinx.Common;
 using Ryujinx.HLE.HOS.Kernel.Threading;
 using Ryujinx.Horizon.Common;
 using System.Collections.Generic;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Kernel.Common
 {
@@ -14,7 +15,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
         private readonly long[] _current2;
         private readonly long[] _peak;
 
-        private readonly object _lock;
+        private readonly object _lock = new();
 
         private readonly LinkedList<KThread> _waitingThreads;
 
@@ -27,8 +28,6 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
             _current2 = new long[(int)LimitableResource.Count];
             _peak = new long[(int)LimitableResource.Count];
 
-            _lock = new object();
-
             _waitingThreads = new LinkedList<KThread>();
         }
 

src/Ryujinx.HLE/HOS/Kernel/Memory/KCodeMemory.cs

@@ -4,6 +4,7 @@ using Ryujinx.HLE.HOS.Kernel.Process;
 using Ryujinx.Horizon.Common;
 using System;
 using System.Diagnostics;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Kernel.Memory
 {
@@ -11,7 +12,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
     {
         public KProcess Owner { get; private set; }
         private readonly KPageList _pageList;
-        private readonly object _lock;
+        private readonly Lock _lock = new();
         private ulong _address;
         private bool _isOwnerMapped;
         private bool _isMapped;
@@ -19,7 +20,6 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
         public KCodeMemory(KernelContext context) : base(context)
         {
             _pageList = new KPageList();
-            _lock = new object();
         }
 
         public Result Initialize(ulong address, ulong size)

src/Ryujinx.HLE/HOS/Kernel/Process/KProcess.cs

@@ -40,8 +40,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Process
 
         public ProcessState State { get; private set; }
 
-        private readonly object _processLock = new();
-        private readonly object _threadingLock = new();
+        private readonly Lock _processLock = new();
+        private readonly Lock _threadingLock = new();
 
         public KAddressArbiter AddressArbiter { get; private set; }
 

src/Ryujinx.HLE/HOS/Kernel/Threading/KAddressArbiter.cs

@@ -200,7 +200,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
 
             WakeThreads(_condVarThreads, count, TryAcquireMutex, x => x.CondVarAddress == address);
 
-            if (!_condVarThreads.Exists(x => x.CondVarAddress == address))
+            if (!_condVarThreads.Any(x => x.CondVarAddress == address))
             {
                 KernelTransfer.KernelToUser(address, 0);
             }

src/Ryujinx.HLE/HOS/Kernel/Threading/KCriticalSection.cs

@@ -5,7 +5,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
     class KCriticalSection
     {
         private readonly KernelContext _context;
-        private readonly object _lock;
+        private readonly object _lock = new();
         private int _recursionCount;
 
         public object Lock => _lock;
@@ -13,7 +13,6 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
         public KCriticalSection(KernelContext context)
         {
             _context = context;
-            _lock = new object();
         }
 
         public void Enter()

src/Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs

@@ -112,7 +112,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
 
         public bool WaitingInArbitration { get; set; }
 
-        private readonly object _activityOperationLock = new();
+        private readonly Lock _activityOperationLock = new();
 
         public KThread(KernelContext context) : base(context)
         {

src/Ryujinx.HLE/HOS/ModLoader.cs

@@ -168,7 +168,7 @@ namespace Ryujinx.HLE.HOS
 
                 if (StrEquals(RomfsDir, modDir.Name))
                 {
-                    var modData = modMetadata.Mods.Find(x => modDir.FullName.Contains(x.Path));
+                    var modData = modMetadata.Mods.FirstOrDefault(x => modDir.FullName.Contains(x.Path));
                     var enabled = modData?.Enabled ?? true;
 
                     mods.RomfsDirs.Add(mod = new Mod<DirectoryInfo>(dir.Name, modDir, enabled));
@@ -176,7 +176,7 @@ namespace Ryujinx.HLE.HOS
                 }
                 else if (StrEquals(ExefsDir, modDir.Name))
                 {
-                    var modData = modMetadata.Mods.Find(x => modDir.FullName.Contains(x.Path));
+                    var modData = modMetadata.Mods.FirstOrDefault(x => modDir.FullName.Contains(x.Path));
                     var enabled = modData?.Enabled ?? true;
 
                     mods.ExefsDirs.Add(mod = new Mod<DirectoryInfo>(dir.Name, modDir, enabled));
@@ -275,7 +275,7 @@ namespace Ryujinx.HLE.HOS
             var fsFile = new FileInfo(Path.Combine(applicationDir.FullName, RomfsContainer));
             if (fsFile.Exists)
             {
-                var modData = modMetadata.Mods.Find(x => fsFile.FullName.Contains(x.Path));
+                var modData = modMetadata.Mods.FirstOrDefault(x => fsFile.FullName.Contains(x.Path));
                 var enabled = modData == null || modData.Enabled;
 
                 mods.RomfsContainers.Add(new Mod<FileInfo>($"<{applicationDir.Name} RomFs>", fsFile, enabled));
@@ -284,7 +284,7 @@ namespace Ryujinx.HLE.HOS
             fsFile = new FileInfo(Path.Combine(applicationDir.FullName, ExefsContainer));
             if (fsFile.Exists)
             {
-                var modData = modMetadata.Mods.Find(x => fsFile.FullName.Contains(x.Path));
+                var modData = modMetadata.Mods.FirstOrDefault(x => fsFile.FullName.Contains(x.Path));
                 var enabled = modData == null || modData.Enabled;
 
                 mods.ExefsContainers.Add(new Mod<FileInfo>($"<{applicationDir.Name} ExeFs>", fsFile, enabled));
@@ -403,7 +403,7 @@ namespace Ryujinx.HLE.HOS
         }
 
         // Assumes searchDirPaths don't overlap
-        private static void CollectMods(Dictionary<ulong, ModCache> modCaches, PatchCache patches, params string[] searchDirPaths)
+        private static void CollectMods(Dictionary<ulong, ModCache> modCaches, PatchCache patches, params ReadOnlySpan<string> searchDirPaths)
         {
             static bool IsPatchesDir(string name) => StrEquals(AmsNsoPatchDir, name) ||
                                                      StrEquals(AmsNroPatchDir, name) ||
@@ -453,7 +453,7 @@ namespace Ryujinx.HLE.HOS
             patches.Initialized = true;
         }
 
-        public void CollectMods(IEnumerable<ulong> applications, params string[] searchDirPaths)
+        public void CollectMods(IEnumerable<ulong> applications, params ReadOnlySpan<string> searchDirPaths)
         {
             Clear();
 
@@ -680,7 +680,7 @@ namespace Ryujinx.HLE.HOS
             ApplyProgramPatches(nroPatches, 0, nro);
         }
 
-        internal bool ApplyNsoPatches(ulong applicationId, params IExecutable[] programs)
+        internal bool ApplyNsoPatches(ulong applicationId, params ReadOnlySpan<IExecutable> programs)
         {
             IEnumerable<Mod<DirectoryInfo>> nsoMods = _patches.NsoPatches;
 
@@ -744,7 +744,7 @@ namespace Ryujinx.HLE.HOS
             }
         }
 
-        private static bool ApplyProgramPatches(IEnumerable<Mod<DirectoryInfo>> mods, int protectedOffset, params IExecutable[] programs)
+        private static bool ApplyProgramPatches(IEnumerable<Mod<DirectoryInfo>> mods, int protectedOffset, params ReadOnlySpan<IExecutable> programs)
         {
             int count = 0;
 
@@ -755,12 +755,18 @@ namespace Ryujinx.HLE.HOS
                 patches[i] = new MemPatch();
             }
 
-            var buildIds = programs.Select(p => p switch
+            var buildIds = new List<string>(programs.Length);
+
+            foreach (IExecutable p in programs)
+            {
+                var buildId = p switch
                 {
                     NsoExecutable nso => Convert.ToHexString(nso.BuildId.ItemsRo.ToArray()).TrimEnd('0'),
                     NroExecutable nro => Convert.ToHexString(nro.Header.BuildId).TrimEnd('0'),
                     _ => string.Empty,
-            }).ToList();
+                };
+                buildIds.Add(buildId);
+            }
 
             int GetIndex(string buildId) => buildIds.FindIndex(id => id == buildId); // O(n) but list is small
 

src/Ryujinx.HLE/HOS/Services/Am/AppletAE/AllSystemAppletProxiesService/SystemAppletProxy/ISelfController.cs

@@ -4,6 +4,7 @@ using Ryujinx.HLE.HOS.Kernel.Threading;
 using Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.SystemAppletProxy.Types;
 using Ryujinx.Horizon.Common;
 using System;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.SystemAppletProxy
 {
@@ -17,7 +18,7 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletAE.AllSystemAppletProxiesService.Sys
         private KEvent _accumulatedSuspendedTickChangedEvent;
         private int _accumulatedSuspendedTickChangedEventHandle;
 
-        private readonly object _fatalSectionLock = new();
+        private readonly Lock _fatalSectionLock = new();
         private int _fatalSectionCount;
 
         // TODO: Set this when the game goes in suspension (go back to home menu ect), we currently don't support that so we can keep it set to 0.

src/Ryujinx.HLE/HOS/Services/Hid/HidDevices/NpadDevices.cs

@@ -123,7 +123,7 @@ namespace Ryujinx.HLE.HOS.Services.Hid
             return true;
         }
 
-        public void Configure(params ControllerConfig[] configs)
+        public void Configure(params ReadOnlySpan<ControllerConfig> configs)
         {
             _configuredTypes = new ControllerType[MaxControllers];
 

src/Ryujinx.HLE/HOS/Services/Hid/HidDevices/TouchDevice.cs

@@ -8,7 +8,7 @@ namespace Ryujinx.HLE.HOS.Services.Hid
     {
         public TouchDevice(Switch device, bool active) : base(device, active) { }
 
-        public void Update(params TouchPoint[] points)
+        public void Update(params ReadOnlySpan<TouchPoint> points)
         {
             ref RingLifo<TouchScreenState> lifo = ref _device.Hid.SharedMemory.TouchScreen;
 

src/Ryujinx.HLE/HOS/Services/Ldn/Types/NodeLatestUpdate.cs

@@ -1,5 +1,6 @@
 using Ryujinx.Common.Memory;
 using System.Runtime.InteropServices;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.Ldn.Types
 {
@@ -12,7 +13,7 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.Types
 
     static class NodeLatestUpdateHelper
     {
-        private static readonly object _lock = new();
+        private static readonly Lock _lock = new();
 
         public static void CalculateLatestUpdate(this Array8<NodeLatestUpdate> array, Array8<NodeInfo> beforeNodes, Array8<NodeInfo> afterNodes)
         {

src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/LdnMitm/LanDiscovery.cs

@@ -29,7 +29,7 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator.LdnMitm
         private ILdnTcpSocket _tcp;
         private LdnProxyUdpServer _udp, _udp2;
         private readonly List<LdnProxyTcpSession> _stations = new();
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         private readonly AutoResetEvent _apConnected = new(false);
 

src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/LdnMitm/Proxy/LdnProxyUdpServer.cs

@@ -18,7 +18,7 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator.LdnMitm.Proxy
         private byte[] _buffer;
         private int _bufferEnd;
 
-        private readonly object _scanLock = new();
+        private readonly Lock _scanLock = new();
 
         private Dictionary<ulong, NetworkInfo> _scanResultsLast = new();
         private Dictionary<ulong, NetworkInfo> _scanResults = new();

src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/LdnRyu/NetworkTimeout.cs

@@ -10,7 +10,7 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator.LdnRyu
         private readonly Action _timeoutCallback;
         private CancellationTokenSource _cancel;
 
-        private readonly object _lock = new object();
+        private readonly Lock _lock = new();
 
         public NetworkTimeout(int idleTimeout, Action timeoutCallback)
         {

src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/LdnRyu/Proxy/EphemeralPortPool.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator.LdnRyu.Proxy
 {
@@ -8,7 +9,7 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator.LdnRyu.Proxy
 
         private readonly List<ushort> _ephemeralPorts = new List<ushort>();
 
-        private readonly object _lock = new object();
+        private readonly Lock _lock = new();
 
         public ushort Get()
         {

src/Ryujinx.HLE/HOS/Services/Nfc/AmiiboDecryption/AmiiboBinReader.cs

@@ -0,0 +1,340 @@
+using Ryujinx.Common.Configuration;
+using Ryujinx.Common.Logging;
+using Ryujinx.HLE.HOS.Services.Nfc.Nfp;
+using Ryujinx.HLE.HOS.Services.Nfc.Nfp.NfpManager;
+using System;
+using System.IO;
+
+namespace Ryujinx.HLE.HOS.Services.Nfc.AmiiboDecryption
+{
+    public class AmiiboBinReader
+    {
+        private static byte CalculateBCC0(byte[] uid)
+        {
+            return (byte)(uid[0] ^ uid[1] ^ uid[2] ^ 0x88);
+        }
+
+        private static byte CalculateBCC1(byte[] uid)
+        {
+            return (byte)(uid[3] ^ uid[4] ^ uid[5] ^ uid[6]);
+        }
+
+        public static VirtualAmiiboFile ReadBinFile(byte[] fileBytes)
+        {
+            string keyRetailBinPath = GetKeyRetailBinPath();
+            if (string.IsNullOrEmpty(keyRetailBinPath))
+            {
+                return new VirtualAmiiboFile();
+            }
+
+            byte[] initialCounter = new byte[16];
+
+            const int totalPages = 135;
+            const int pageSize = 4;
+            const int totalBytes = totalPages * pageSize;
+
+            if (fileBytes.Length < totalBytes)
+            {
+                return new VirtualAmiiboFile();
+            }
+
+            AmiiboDecrypter amiiboDecryptor = new AmiiboDecrypter(keyRetailBinPath);
+            AmiiboDump amiiboDump = amiiboDecryptor.DecryptAmiiboDump(fileBytes);
+
+            byte[] titleId = new byte[8];
+            byte[] usedCharacter = new byte[2];
+            byte[] variation = new byte[2];
+            byte[] amiiboID = new byte[2];
+            byte[] setID = new byte[1];
+            byte[] initDate = new byte[2];
+            byte[] writeDate = new byte[2];
+            byte[] writeCounter = new byte[2];
+            byte[] appId = new byte[8];
+            byte[] settingsBytes = new byte[2];
+            byte formData = 0;
+            byte[] applicationAreas = new byte[216];
+            byte[] dataFull = amiiboDump.GetData();
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Data Full Length: {dataFull.Length}");
+            byte[] uid = new byte[7];
+            Array.Copy(dataFull, 0, uid, 0, 7);
+
+            byte bcc0 = CalculateBCC0(uid);
+            byte bcc1 = CalculateBCC1(uid);
+            LogDebugData(uid, bcc0, bcc1);
+            for (int page = 0; page < 128; page++) // NTAG215 has 128 pages
+            {
+                int pageStartIdx = page * 4; // Each page is 4 bytes
+                byte[] pageData = new byte[4];
+                byte[] sourceBytes = dataFull;
+                Array.Copy(sourceBytes, pageStartIdx, pageData, 0, 4);
+                // Special handling for specific pages
+                switch (page)
+                {
+                    case 0: // Page 0 (UID + BCC0)
+                        Logger.Debug?.Print(LogClass.ServiceNfp, "Page 0: UID and BCC0.");
+                        break;
+                    case 2: // Page 2 (BCC1 + Internal Value)
+                        byte internalValue = pageData[1];
+                        Logger.Debug?.Print(LogClass.ServiceNfp, $"Page 2: BCC1 + Internal Value 0x{internalValue:X2} (Expected 0x48).");
+                        break;
+                    case 6:
+                        // Bytes 0 and 1 are init date, bytes 2 and 3 are write date
+                        Array.Copy(pageData, 0, initDate, 0, 2);
+                        Array.Copy(pageData, 2, writeDate, 0, 2);
+                        break;
+                    case 21:
+                        // Bytes 0 and 1 are used character, bytes 2 and 3 are variation
+                        Array.Copy(pageData, 0, usedCharacter, 0, 2);
+                        Array.Copy(pageData, 2, variation, 0, 2);
+                        break;
+                    case 22:
+                        // Bytes 0 and 1 are amiibo ID, byte 2 is set ID, byte 3 is form data
+                        Array.Copy(pageData, 0, amiiboID, 0, 2);
+                        setID[0] = pageData[2];
+                        formData = pageData[3];
+                        break;
+                    case 64:
+                    case 65:
+                        // Extract title ID
+                        int titleIdOffset = (page - 64) * 4;
+                        Array.Copy(pageData, 0, titleId, titleIdOffset, 4);
+                        break;
+                    case 66:
+                        // Bytes 0 and 1 are write counter
+                        Array.Copy(pageData, 0, writeCounter, 0, 2);
+                        break;
+                    // Pages 76 to 127 are application areas
+                    case >= 76 and <= 127:
+                        int appAreaOffset = (page - 76) * 4;
+                        Array.Copy(pageData, 0, applicationAreas, appAreaOffset, 4);
+                        break;
+                }
+            }
+
+            string usedCharacterStr = BitConverter.ToString(usedCharacter).Replace("-", "");
+            string variationStr = BitConverter.ToString(variation).Replace("-", "");
+            string amiiboIDStr = BitConverter.ToString(amiiboID).Replace("-", "");
+            string setIDStr = BitConverter.ToString(setID).Replace("-", "");
+            string head = usedCharacterStr + variationStr;
+            string tail = amiiboIDStr + setIDStr + "02";
+            string finalID = head + tail;
+
+            ushort settingsValue = BitConverter.ToUInt16(settingsBytes, 0);
+            ushort initDateValue = BitConverter.ToUInt16(initDate, 0);
+            ushort writeDateValue = BitConverter.ToUInt16(writeDate, 0);
+            DateTime initDateTime = DateTimeFromTag(initDateValue);
+            DateTime writeDateTime = DateTimeFromTag(writeDateValue);
+            ushort writeCounterValue = BitConverter.ToUInt16(writeCounter, 0);
+            string nickName = amiiboDump.AmiiboNickname;
+            LogFinalData(titleId, appId, head, tail, finalID, nickName, initDateTime, writeDateTime, settingsValue, writeCounterValue, applicationAreas);
+
+            VirtualAmiiboFile virtualAmiiboFile = new VirtualAmiiboFile
+            {
+                FileVersion = 1,
+                TagUuid = uid,
+                AmiiboId = finalID,
+                NickName = nickName,
+                FirstWriteDate = initDateTime,
+                LastWriteDate = writeDateTime,
+                WriteCounter = writeCounterValue,
+            };
+            if (writeCounterValue > 0)
+            {
+                VirtualAmiibo.ApplicationBytes = applicationAreas;
+            }
+            VirtualAmiibo.NickName = nickName;
+            return virtualAmiiboFile;
+        }
+        public static bool SaveBinFile(string inputFile, byte[] appData)
+        {
+            Logger.Info?.Print(LogClass.ServiceNfp, "Saving bin file.");
+            byte[] readBytes;
+            try
+            {
+                readBytes = File.ReadAllBytes(inputFile);
+            }
+            catch (Exception ex)
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, $"Error reading file: {ex.Message}");
+                return false;
+            }
+            string keyRetailBinPath = GetKeyRetailBinPath();
+            if (string.IsNullOrEmpty(keyRetailBinPath))
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, "Key retail path is empty.");
+                return false;
+            }
+
+            if (appData.Length != 216) // Ensure application area size is valid
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, "Invalid application data length. Expected 216 bytes.");
+                return false;
+            }
+
+            AmiiboDecrypter amiiboDecryptor = new AmiiboDecrypter(keyRetailBinPath);
+            AmiiboDump amiiboDump = amiiboDecryptor.DecryptAmiiboDump(readBytes);
+
+            byte[] oldData = amiiboDump.GetData();
+            if (oldData.Length != 540) // Verify the expected length for NTAG215 tags
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, "Invalid tag data length. Expected 540 bytes.");
+                return false;
+            }
+
+            byte[] newData = new byte[oldData.Length];
+            Array.Copy(oldData, newData, oldData.Length);
+
+            // Replace application area with appData
+            int appAreaOffset = 76 * 4; // Starting page (76) times 4 bytes per page
+            Array.Copy(appData, 0, newData, appAreaOffset, appData.Length);
+
+            AmiiboDump encryptedDump = amiiboDecryptor.EncryptAmiiboDump(newData);
+            byte[] encryptedData = encryptedDump.GetData();
+
+            if (encryptedData == null || encryptedData.Length != readBytes.Length)
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, "Failed to encrypt data correctly.");
+                return false;
+            }
+            inputFile = inputFile.Replace("_modified", string.Empty);
+            // Save the encrypted data to file or return it for saving externally
+            string outputFilePath = Path.Combine(Path.GetDirectoryName(inputFile), Path.GetFileNameWithoutExtension(inputFile) + "_modified.bin");
+            try
+            {
+                File.WriteAllBytes(outputFilePath, encryptedData);
+                Logger.Info?.Print(LogClass.ServiceNfp, $"Modified Amiibo data saved to {outputFilePath}.");
+                return true;
+            }
+            catch (Exception ex)
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, $"Error saving file: {ex.Message}");
+                return false;
+            }
+        }
+        public static bool SaveBinFile(string inputFile, string newNickName)
+        {
+            Logger.Info?.Print(LogClass.ServiceNfp, "Saving bin file.");
+            byte[] readBytes;
+            try
+            {
+                readBytes = File.ReadAllBytes(inputFile);
+            }
+            catch (Exception ex)
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, $"Error reading file: {ex.Message}");
+                return false;
+            }
+            string keyRetailBinPath = GetKeyRetailBinPath();
+            if (string.IsNullOrEmpty(keyRetailBinPath))
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, "Key retail path is empty.");
+                return false;
+            }
+
+            AmiiboDecrypter amiiboDecryptor = new AmiiboDecrypter(keyRetailBinPath);
+            AmiiboDump amiiboDump = amiiboDecryptor.DecryptAmiiboDump(readBytes);
+            amiiboDump.AmiiboNickname = newNickName;
+            byte[] oldData = amiiboDump.GetData();
+            if (oldData.Length != 540) // Verify the expected length for NTAG215 tags
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, "Invalid tag data length. Expected 540 bytes.");
+                return false;
+            }
+            byte[] encryptedData = amiiboDecryptor.EncryptAmiiboDump(oldData).GetData();
+
+            if (encryptedData == null || encryptedData.Length != readBytes.Length)
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, "Failed to encrypt data correctly.");
+                return false;
+            }
+            inputFile = inputFile.Replace("_modified", string.Empty);
+            // Save the encrypted data to file or return it for saving externally
+            string outputFilePath = Path.Combine(Path.GetDirectoryName(inputFile), Path.GetFileNameWithoutExtension(inputFile) + "_modified.bin");
+            try
+            {
+                File.WriteAllBytes(outputFilePath, encryptedData);
+                Logger.Info?.Print(LogClass.ServiceNfp, $"Modified Amiibo data saved to {outputFilePath}.");
+                return true;
+            }
+            catch (Exception ex)
+            {
+                Logger.Error?.Print(LogClass.ServiceNfp, $"Error saving file: {ex.Message}");
+                return false;
+            }
+        }
+        private static void LogDebugData(byte[] uid, byte bcc0, byte bcc1)
+        {
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"UID: {BitConverter.ToString(uid)}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"BCC0: 0x{bcc0:X2}, BCC1: 0x{bcc1:X2}");
+        }
+
+        private static void LogFinalData(byte[] titleId, byte[] appId, string head, string tail, string finalID, string nickName, DateTime initDateTime, DateTime writeDateTime, ushort settingsValue, ushort writeCounterValue, byte[] applicationAreas)
+        {
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Title ID: 0x{BitConverter.ToString(titleId).Replace("-", "")}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Application Program ID: 0x{BitConverter.ToString(appId).Replace("-", "")}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Head: {head}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Tail: {tail}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Final ID: {finalID}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Nickname: {nickName}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Init Date: {initDateTime}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Write Date: {writeDateTime}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Settings: 0x{settingsValue:X4}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, $"Write Counter: {writeCounterValue}");
+            Logger.Debug?.Print(LogClass.ServiceNfp, "Length of Application Areas: " + applicationAreas.Length);
+        }
+
+        private static uint CalculateCRC32(byte[] input)
+        {
+            uint[] table = new uint[256];
+            uint polynomial = 0xEDB88320;
+            for (uint i = 0; i < table.Length; ++i)
+            {
+                uint crc = i;
+                for (int j = 0; j < 8; ++j)
+                {
+                    if ((crc & 1) != 0)
+                        crc = (crc >> 1) ^ polynomial;
+                    else
+                        crc >>= 1;
+                }
+                table[i] = crc;
+            }
+
+            uint result = 0xFFFFFFFF;
+            foreach (byte b in input)
+            {
+                byte index = (byte)((result & 0xFF) ^ b);
+                result = (result >> 8) ^ table[index];
+            }
+            return ~result;
+        }
+
+        private static string GetKeyRetailBinPath()
+        {
+            return Path.Combine(AppDataManager.KeysDirPath, "key_retail.bin");
+        }
+
+        public static bool HasKeyRetailBinPath()
+        {
+            return File.Exists(GetKeyRetailBinPath());
+        }
+        public static DateTime DateTimeFromTag(ushort value)
+        {
+            try
+            {
+                int day = value & 0x1F;
+                int month = (value >> 5) & 0x0F;
+                int year = (value >> 9) & 0x7F;
+
+                if (day == 0 || month == 0 || month > 12 || day > DateTime.DaysInMonth(2000 + year, month))
+                    throw new ArgumentOutOfRangeException();
+
+                return new DateTime(2000 + year, month, day);
+            }
+            catch
+            {
+                return DateTime.Now;
+            }
+        }
+    }
+}

src/Ryujinx.HLE/HOS/Services/Nfc/AmiiboDecryption/AmiiboDecrypter.cs

@@ -0,0 +1,43 @@
+using System.IO;
+
+namespace Ryujinx.HLE.HOS.Services.Nfc.AmiiboDecryption
+{
+    public class AmiiboDecrypter
+    {
+        public AmiiboMasterKey DataKey { get; private set; }
+        public AmiiboMasterKey TagKey { get; private set; }
+
+        public AmiiboDecrypter(string keyRetailBinPath)
+        {
+            var combinedKeys = File.ReadAllBytes(keyRetailBinPath);
+            var keys = AmiiboMasterKey.FromCombinedBin(combinedKeys);
+            DataKey = keys.DataKey;
+            TagKey = keys.TagKey;
+        }
+
+        public AmiiboDump DecryptAmiiboDump(byte[] encryptedDumpData)
+        {
+            // Initialize AmiiboDump with encrypted data
+            AmiiboDump amiiboDump = new AmiiboDump(encryptedDumpData, DataKey, TagKey, isLocked: true);
+
+            // Unlock (decrypt) the dump
+            amiiboDump.Unlock();
+
+            // Optional: Verify HMACs
+            amiiboDump.VerifyHMACs();
+
+            return amiiboDump;
+        }
+
+        public AmiiboDump EncryptAmiiboDump(byte[] decryptedDumpData)
+        {
+            // Initialize AmiiboDump with decrypted data
+            AmiiboDump amiiboDump = new AmiiboDump(decryptedDumpData, DataKey, TagKey, isLocked: false);
+
+            // Lock (encrypt) the dump
+            amiiboDump.Lock();
+
+            return amiiboDump;
+        }
+    }
+}

src/Ryujinx.HLE/HOS/Services/Nfc/AmiiboDecryption/AmiiboDump.cs

@@ -0,0 +1,387 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+
+namespace Ryujinx.HLE.HOS.Services.Nfc.AmiiboDecryption
+{
+    public class AmiiboDump
+    {
+        private AmiiboMasterKey dataMasterKey;
+        private AmiiboMasterKey tagMasterKey;
+
+        private bool isLocked;
+        private byte[] data;
+        private byte[] hmacTagKey;
+        private byte[] hmacDataKey;
+        private byte[] aesKey;
+        private byte[] aesIv;
+
+        public AmiiboDump(byte[] dumpData, AmiiboMasterKey dataKey, AmiiboMasterKey tagKey, bool isLocked = true)
+        {
+            if (dumpData.Length < 540)
+                throw new ArgumentException("Incomplete dump. Amiibo data is at least 540 bytes.");
+
+            this.data = new byte[540];
+            Array.Copy(dumpData, this.data, dumpData.Length);
+            this.dataMasterKey = dataKey;
+            this.tagMasterKey = tagKey;
+            this.isLocked = isLocked;
+
+            if (!isLocked)
+            {
+                DeriveKeysAndCipher();
+            }
+        }
+
+        private byte[] DeriveKey(AmiiboMasterKey key, bool deriveAes, out byte[] derivedAesKey, out byte[] derivedAesIv)
+        {
+            List<byte> seed = new List<byte>();
+
+            // Start with the type string (14 bytes)
+            seed.AddRange(key.TypeString);
+
+            // Append data based on magic size
+            int append = 16 - key.MagicSize;
+            byte[] extract = new byte[16];
+            Array.Copy(this.data, 0x011, extract, 0, 2); // Extract two bytes from user data section
+            for (int i = 2; i < 16; i++)
+            {
+                extract[i] = 0x00;
+            }
+            seed.AddRange(extract.Take(append));
+
+            // Add the magic bytes
+            seed.AddRange(key.MagicBytes.Take(key.MagicSize));
+
+            // Extract the UID (UID is 8 bytes)
+            byte[] uid = new byte[8];
+            Array.Copy(this.data, 0x000, uid, 0, 8);
+            seed.AddRange(uid);
+            seed.AddRange(uid);
+
+            // Extract some tag data (pages 0x20 - 0x28)
+            byte[] user = new byte[32];
+            Array.Copy(this.data, 0x060, user, 0, 32);
+
+            // XOR it with the key padding (XorPad)
+            byte[] paddedUser = new byte[32];
+            for (int i = 0; i < user.Length; i++)
+            {
+                paddedUser[i] = (byte)(user[i] ^ key.XorPad[i]);
+            }
+            seed.AddRange(paddedUser);
+
+            byte[] seedBytes = seed.ToArray();
+            if (seedBytes.Length != 78)
+            {
+                throw new Exception("Size check for key derived seed failed");
+            }
+
+            byte[] hmacKey;
+            derivedAesKey = null;
+            derivedAesIv = null;
+
+            if (deriveAes)
+            {
+                // Derive AES Key and IV
+                var dataForAes = new byte[2 + seedBytes.Length];
+                dataForAes[0] = 0x00;
+                dataForAes[1] = 0x00; // Counter (0)
+                Array.Copy(seedBytes, 0, dataForAes, 2, seedBytes.Length);
+
+                byte[] derivedBytes;
+                using (var hmac = new HMACSHA256(key.HmacKey))
+                {
+                    derivedBytes = hmac.ComputeHash(dataForAes);
+                }
+
+                derivedAesKey = derivedBytes.Take(16).ToArray();
+                derivedAesIv = derivedBytes.Skip(16).Take(16).ToArray();
+
+                // Derive HMAC Key
+                var dataForHmacKey = new byte[2 + seedBytes.Length];
+                dataForHmacKey[0] = 0x00;
+                dataForHmacKey[1] = 0x01; // Counter (1)
+                Array.Copy(seedBytes, 0, dataForHmacKey, 2, seedBytes.Length);
+
+                using (var hmac = new HMACSHA256(key.HmacKey))
+                {
+                    derivedBytes = hmac.ComputeHash(dataForHmacKey);
+                }
+
+                hmacKey = derivedBytes.Take(16).ToArray();
+            }
+            else
+            {
+                // Derive HMAC Key only
+                var dataForHmacKey = new byte[2 + seedBytes.Length];
+                dataForHmacKey[0] = 0x00;
+                dataForHmacKey[1] = 0x01; // Counter (1)
+                Array.Copy(seedBytes, 0, dataForHmacKey, 2, seedBytes.Length);
+
+                byte[] derivedBytes;
+                using (var hmac = new HMACSHA256(key.HmacKey))
+                {
+                    derivedBytes = hmac.ComputeHash(dataForHmacKey);
+                }
+
+                hmacKey = derivedBytes.Take(16).ToArray();
+            }
+
+            return hmacKey;
+        }
+
+        private void DeriveKeysAndCipher()
+        {
+            byte[] discard;
+            // Derive HMAC Tag Key
+            this.hmacTagKey = DeriveKey(this.tagMasterKey, false, out discard, out discard);
+
+            // Derive HMAC Data Key and AES Key/IV
+            this.hmacDataKey = DeriveKey(this.dataMasterKey, true, out aesKey, out aesIv);
+        }
+
+        private void DecryptData()
+        {
+            byte[] encryptedBlock = new byte[0x020 + 0x168];
+            Array.Copy(data, 0x014, encryptedBlock, 0, 0x020);       // data[0x014:0x034]
+            Array.Copy(data, 0x0A0, encryptedBlock, 0x020, 0x168);   // data[0x0A0:0x208]
+
+            byte[] decryptedBlock = AES_CTR_Transform(encryptedBlock, aesKey, aesIv);
+
+            // Copy decrypted data back
+            Array.Copy(decryptedBlock, 0, data, 0x014, 0x020);
+            Array.Copy(decryptedBlock, 0x020, data, 0x0A0, 0x168);
+        }
+
+        private void EncryptData()
+        {
+            byte[] plainBlock = new byte[0x020 + 0x168];
+            Array.Copy(data, 0x014, plainBlock, 0, 0x020);       // data[0x014:0x034]
+            Array.Copy(data, 0x0A0, plainBlock, 0x020, 0x168);   // data[0x0A0:0x208]
+
+            byte[] encryptedBlock = AES_CTR_Transform(plainBlock, aesKey, aesIv);
+
+            // Copy encrypted data back
+            Array.Copy(encryptedBlock, 0, data, 0x014, 0x020);
+            Array.Copy(encryptedBlock, 0x020, data, 0x0A0, 0x168);
+        }
+
+        private byte[] AES_CTR_Transform(byte[] data, byte[] key, byte[] iv)
+        {
+            byte[] output = new byte[data.Length];
+
+            using (Aes aes = Aes.Create())
+            {
+                aes.Key = key;
+                aes.Mode = CipherMode.ECB;
+                aes.Padding = PaddingMode.None;
+
+                int blockSize = aes.BlockSize / 8; // in bytes, should be 16
+                byte[] counter = new byte[blockSize];
+                Array.Copy(iv, counter, blockSize);
+
+                using (ICryptoTransform encryptor = aes.CreateEncryptor())
+                {
+                    byte[] encryptedCounter = new byte[blockSize];
+
+                    for (int i = 0; i < data.Length; i += blockSize)
+                    {
+                        // Encrypt the counter
+                        encryptor.TransformBlock(counter, 0, blockSize, encryptedCounter, 0);
+
+                        // Determine the number of bytes to process in this block
+                        int blockLength = Math.Min(blockSize, data.Length - i);
+
+                        // XOR the encrypted counter with the plaintext/ciphertext block
+                        for (int j = 0; j < blockLength; j++)
+                        {
+                            output[i + j] = (byte)(data[i + j] ^ encryptedCounter[j]);
+                        }
+
+                        // Increment the counter
+                        IncrementCounter(counter);
+                    }
+                }
+            }
+
+            return output;
+        }
+
+        private void IncrementCounter(byte[] counter)
+        {
+            for (int i = counter.Length - 1; i >= 0; i--)
+            {
+                if (++counter[i] != 0)
+                    break;
+            }
+        }
+
+        private void DeriveHMACs()
+        {
+            if (isLocked)
+                throw new InvalidOperationException("Cannot derive HMACs when data is locked.");
+
+            // Calculate tag HMAC
+            byte[] tagHmacData = new byte[8 + 44];
+            Array.Copy(data, 0x000, tagHmacData, 0, 8);
+            Array.Copy(data, 0x054, tagHmacData, 8, 44);
+
+            byte[] tagHmac;
+            using (var hmac = new HMACSHA256(hmacTagKey))
+            {
+                tagHmac = hmac.ComputeHash(tagHmacData);
+            }
+
+            // Overwrite the stored tag HMAC
+            Array.Copy(tagHmac, 0, data, 0x034, 32);
+
+            // Prepare data for data HMAC
+            int len1 = 0x023; // 0x011 to 0x034 (0x034 - 0x011)
+            int len2 = 0x168; // 0x0A0 to 0x208 (0x208 - 0x0A0)
+            int len3 = tagHmac.Length; // 32 bytes
+            int len4 = 0x008; // 0x000 to 0x008 (0x008 - 0x000)
+            int len5 = 0x02C; // 0x054 to 0x080 (0x080 - 0x054)
+            int totalLength = len1 + len2 + len3 + len4 + len5;
+            byte[] dataHmacData = new byte[totalLength];
+
+            int offset = 0;
+            Array.Copy(data, 0x011, dataHmacData, offset, len1);
+            offset += len1;
+            Array.Copy(data, 0x0A0, dataHmacData, offset, len2);
+            offset += len2;
+            Array.Copy(tagHmac, 0, dataHmacData, offset, len3);
+            offset += len3;
+            Array.Copy(data, 0x000, dataHmacData, offset, len4);
+            offset += len4;
+            Array.Copy(data, 0x054, dataHmacData, offset, len5);
+
+            byte[] dataHmac;
+            using (var hmac = new HMACSHA256(hmacDataKey))
+            {
+                dataHmac = hmac.ComputeHash(dataHmacData);
+            }
+
+            // Overwrite the stored data HMAC
+            Array.Copy(dataHmac, 0, data, 0x080, 32);
+        }
+
+        public void VerifyHMACs()
+        {
+            if (isLocked)
+                throw new InvalidOperationException("Cannot verify HMACs when data is locked.");
+
+            // Calculate tag HMAC
+            byte[] tagHmacData = new byte[8 + 44];
+            Array.Copy(data, 0x000, tagHmacData, 0, 8);
+            Array.Copy(data, 0x054, tagHmacData, 8, 44);
+
+            byte[] calculatedTagHmac;
+            using (var hmac = new HMACSHA256(hmacTagKey))
+            {
+                calculatedTagHmac = hmac.ComputeHash(tagHmacData);
+            }
+
+            byte[] storedTagHmac = new byte[32];
+            Array.Copy(data, 0x034, storedTagHmac, 0, 32);
+
+            if (!calculatedTagHmac.SequenceEqual(storedTagHmac))
+            {
+                throw new Exception("Tag HMAC verification failed.");
+            }
+
+            // Prepare data for data HMAC
+            int len1 = 0x023; // 0x011 to 0x034
+            int len2 = 0x168; // 0x0A0 to 0x208
+            int len3 = calculatedTagHmac.Length; // 32 bytes
+            int len4 = 0x008; // 0x000 to 0x008
+            int len5 = 0x02C; // 0x054 to 0x080
+            int totalLength = len1 + len2 + len3 + len4 + len5;
+            byte[] dataHmacData = new byte[totalLength];
+
+            int offset = 0;
+            Array.Copy(data, 0x011, dataHmacData, offset, len1);
+            offset += len1;
+            Array.Copy(data, 0x0A0, dataHmacData, offset, len2);
+            offset += len2;
+            Array.Copy(calculatedTagHmac, 0, dataHmacData, offset, len3);
+            offset += len3;
+            Array.Copy(data, 0x000, dataHmacData, offset, len4);
+            offset += len4;
+            Array.Copy(data, 0x054, dataHmacData, offset, len5);
+
+            byte[] calculatedDataHmac;
+            using (var hmac = new HMACSHA256(hmacDataKey))
+            {
+                calculatedDataHmac = hmac.ComputeHash(dataHmacData);
+            }
+
+            byte[] storedDataHmac = new byte[32];
+            Array.Copy(data, 0x080, storedDataHmac, 0, 32);
+
+            if (!calculatedDataHmac.SequenceEqual(storedDataHmac))
+            {
+                throw new Exception("Data HMAC verification failed.");
+            }
+        }
+
+        public void Unlock()
+        {
+            if (!isLocked)
+                throw new InvalidOperationException("Data is already unlocked.");
+
+            // Derive keys and cipher
+            DeriveKeysAndCipher();
+
+            // Decrypt the encrypted data
+            DecryptData();
+
+            isLocked = false;
+        }
+
+        public void Lock()
+        {
+            if (isLocked)
+                throw new InvalidOperationException("Data is already locked.");
+
+            // Recalculate HMACs
+            DeriveHMACs();
+
+            // Encrypt the data
+            EncryptData();
+
+            isLocked = true;
+        }
+
+        public byte[] GetData()
+        {
+            return data;
+        }
+
+        // Property to get or set Amiibo nickname
+        public string AmiiboNickname
+        {
+            get
+            {
+                // data[0x020:0x034], big endian UTF-16
+                byte[] nicknameBytes = new byte[0x014];
+                Array.Copy(data, 0x020, nicknameBytes, 0, 0x014);
+                string nickname = System.Text.Encoding.BigEndianUnicode.GetString(nicknameBytes).TrimEnd('\0');
+                return nickname;
+            }
+            set
+            {
+                byte[] nicknameBytes = System.Text.Encoding.BigEndianUnicode.GetBytes(value.PadRight(10, '\0'));
+                if (nicknameBytes.Length > 20)
+                    throw new ArgumentException("Nickname too long.");
+                Array.Copy(nicknameBytes, 0, data, 0x020, nicknameBytes.Length);
+                // Pad remaining bytes with zeros
+                for (int i = 0x020 + nicknameBytes.Length; i < 0x034; i++)
+                {
+                    data[i] = 0x00;
+                }
+            }
+        }
+    }
+}

src/Ryujinx.HLE/HOS/Services/Nfc/AmiiboDecryption/AmiiboMasterKey.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Linq;
+
+namespace Ryujinx.HLE.HOS.Services.Nfc.AmiiboDecryption
+{
+    public class AmiiboMasterKey
+    {
+        public byte[] HmacKey { get; private set; }     // 16 bytes
+        public byte[] TypeString { get; private set; }  // 14 bytes
+        public byte Rfu { get; private set; }           // 1 byte
+        public byte MagicSize { get; private set; }     // 1 byte
+        public byte[] MagicBytes { get; private set; }  // 16 bytes
+        public byte[] XorPad { get; private set; }      // 32 bytes
+
+        public AmiiboMasterKey(byte[] data)
+        {
+            if (data.Length != 80)
+                throw new ArgumentException("Master key data must be 80 bytes.");
+
+            HmacKey = data.Take(16).ToArray();
+            TypeString = data.Skip(16).Take(14).ToArray();
+            Rfu = data[30];
+            MagicSize = data[31];
+            MagicBytes = data.Skip(32).Take(16).ToArray();
+            XorPad = data.Skip(48).Take(32).ToArray();
+        }
+
+        public static (AmiiboMasterKey DataKey, AmiiboMasterKey TagKey) FromCombinedBin(byte[] combinedBin)
+        {
+            if (combinedBin.Length != 160)
+                throw new ArgumentException($"Data is {combinedBin.Length} bytes (should be 160).");
+
+            byte[] dataBin = combinedBin.Take(80).ToArray();
+            byte[] tagBin = combinedBin.Skip(80).Take(80).ToArray();
+
+            AmiiboMasterKey dataKey = new AmiiboMasterKey(dataBin);
+            AmiiboMasterKey tagKey = new AmiiboMasterKey(tagBin);
+
+            return (dataKey, tagKey);
+        }
+    }
+}

src/Ryujinx.HLE/HOS/Services/Nfc/Nfp/NfpManager/INfp.cs

@@ -78,7 +78,6 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
             if (_state == State.Initialized)
             {
                 _cancelTokenSource?.Cancel();
-
                 // NOTE: All events are destroyed here.
                 context.Device.System.NfpDevices.Clear();
 
@@ -146,9 +145,7 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
                     break;
                 }
             }
-
             _cancelTokenSource = new CancellationTokenSource();
-
             Task.Run(() =>
             {
                 while (true)
@@ -199,7 +196,6 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
                     break;
                 }
             }
-
             return ResultCode.Success;
         }
 
@@ -229,7 +225,6 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
             }
 
             // TODO: Found how the MountTarget is handled.
-
             for (int i = 0; i < context.Device.System.NfpDevices.Count; i++)
             {
                 if (context.Device.System.NfpDevices[i].Handle == (PlayerIndex)deviceHandle)
@@ -488,14 +483,12 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
 #pragma warning disable IDE0059 // Remove unnecessary value assignment
             uint deviceHandle = (uint)context.RequestData.ReadUInt64();
 #pragma warning restore IDE0059
-
             if (context.Device.System.NfpDevices.Count == 0)
             {
                 return ResultCode.DeviceNotFound;
             }
 
             // NOTE: Since we handle amiibo through VirtualAmiibo, we don't have to flush anything in our case.
-
             return ResultCode.Success;
         }
 
@@ -884,7 +877,6 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
                     return ResultCode.Success;
                 }
             }
-
             return ResultCode.DeviceNotFound;
         }
 

src/Ryujinx.HLE/HOS/Services/Nfc/Nfp/NfpManager/Types/VirtualAmiiboFile.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp.NfpManager
 {
-    struct VirtualAmiiboFile
+    public struct VirtualAmiiboFile
     {
         public uint FileVersion { get; set; }
         public byte[] TagUuid { get; set; }
@@ -15,7 +15,7 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp.NfpManager
         public List<VirtualAmiiboApplicationArea> ApplicationAreas { get; set; }
     }
 
-    struct VirtualAmiiboApplicationArea
+    public struct VirtualAmiiboApplicationArea
     {
         public uint ApplicationAreaId { get; set; }
         public byte[] ApplicationArea { get; set; }

src/Ryujinx.HLE/HOS/Services/Nfc/Nfp/VirtualAmiibo.cs

@@ -4,19 +4,22 @@ using Ryujinx.Common.Utilities;
 using Ryujinx.Cpu;
 using Ryujinx.HLE.HOS.Services.Mii;
 using Ryujinx.HLE.HOS.Services.Mii.Types;
+using Ryujinx.HLE.HOS.Services.Nfc.AmiiboDecryption;
 using Ryujinx.HLE.HOS.Services.Nfc.Nfp.NfpManager;
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 
 namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
 {
     static class VirtualAmiibo
     {
-        private static uint _openedApplicationAreaId;
-
+        public static uint OpenedApplicationAreaId;
+        public static byte[] ApplicationBytes = new byte[0];
+        public static string InputBin = string.Empty;
+        public static string NickName = string.Empty;
         private static readonly AmiiboJsonSerializerContext _serializerContext = AmiiboJsonSerializerContext.Default;
-
         public static byte[] GenerateUuid(string amiiboId, bool useRandomUuid)
         {
             if (useRandomUuid)
@@ -68,6 +71,11 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
         {
             VirtualAmiiboFile amiiboFile = LoadAmiiboFile(amiiboId);
             string nickname = amiiboFile.NickName ?? "Ryujinx";
+            if (NickName != string.Empty)
+            {
+                nickname = NickName;
+                NickName = string.Empty;
+            }
             UtilityImpl utilityImpl = new(tickSource);
             CharInfo charInfo = new();
 
@@ -97,16 +105,26 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
         {
             VirtualAmiiboFile virtualAmiiboFile = LoadAmiiboFile(amiiboId);
             virtualAmiiboFile.NickName = newNickName;
+            if (InputBin != string.Empty)
+            {
+                AmiiboBinReader.SaveBinFile(InputBin, virtualAmiiboFile.NickName);
+                return;
+            }
             SaveAmiiboFile(virtualAmiiboFile);
         }
 
         public static bool OpenApplicationArea(string amiiboId, uint applicationAreaId)
         {
             VirtualAmiiboFile virtualAmiiboFile = LoadAmiiboFile(amiiboId);
-
-            if (virtualAmiiboFile.ApplicationAreas.Exists(item => item.ApplicationAreaId == applicationAreaId))
+            if (ApplicationBytes.Length > 0)
             {
-                _openedApplicationAreaId = applicationAreaId;
+                OpenedApplicationAreaId = applicationAreaId;
+                return true;
+            }
+
+            if (virtualAmiiboFile.ApplicationAreas.Any(item => item.ApplicationAreaId == applicationAreaId))
+            {
+                OpenedApplicationAreaId = applicationAreaId;
 
                 return true;
             }
@@ -116,11 +134,17 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
 
         public static byte[] GetApplicationArea(string amiiboId)
         {
+            if (ApplicationBytes.Length > 0)
+            {
+                byte[] bytes = ApplicationBytes;
+                ApplicationBytes = new byte[0];
+                return bytes;
+            }
             VirtualAmiiboFile virtualAmiiboFile = LoadAmiiboFile(amiiboId);
 
             foreach (VirtualAmiiboApplicationArea applicationArea in virtualAmiiboFile.ApplicationAreas)
             {
-                if (applicationArea.ApplicationAreaId == _openedApplicationAreaId)
+                if (applicationArea.ApplicationAreaId == OpenedApplicationAreaId)
                 {
                     return applicationArea.ApplicationArea;
                 }
@@ -133,7 +157,7 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
         {
             VirtualAmiiboFile virtualAmiiboFile = LoadAmiiboFile(amiiboId);
 
-            if (virtualAmiiboFile.ApplicationAreas.Exists(item => item.ApplicationAreaId == applicationAreaId))
+            if (virtualAmiiboFile.ApplicationAreas.Any(item => item.ApplicationAreaId == applicationAreaId))
             {
                 return false;
             }
@@ -151,17 +175,22 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
 
         public static void SetApplicationArea(string amiiboId, byte[] applicationAreaData)
         {
+            if (InputBin != string.Empty)
+            {
+                AmiiboBinReader.SaveBinFile(InputBin, applicationAreaData);
+                return;
+            }
             VirtualAmiiboFile virtualAmiiboFile = LoadAmiiboFile(amiiboId);
 
-            if (virtualAmiiboFile.ApplicationAreas.Exists(item => item.ApplicationAreaId == _openedApplicationAreaId))
+            if (virtualAmiiboFile.ApplicationAreas.Any(item => item.ApplicationAreaId == OpenedApplicationAreaId))
             {
                 for (int i = 0; i < virtualAmiiboFile.ApplicationAreas.Count; i++)
                 {
-                    if (virtualAmiiboFile.ApplicationAreas[i].ApplicationAreaId == _openedApplicationAreaId)
+                    if (virtualAmiiboFile.ApplicationAreas[i].ApplicationAreaId == OpenedApplicationAreaId)
                     {
                         virtualAmiiboFile.ApplicationAreas[i] = new VirtualAmiiboApplicationArea()
                         {
-                            ApplicationAreaId = _openedApplicationAreaId,
+                            ApplicationAreaId = OpenedApplicationAreaId,
                             ApplicationArea = applicationAreaData,
                         };
 
@@ -204,10 +233,21 @@ namespace Ryujinx.HLE.HOS.Services.Nfc.Nfp
             return virtualAmiiboFile;
         }
 
-        private static void SaveAmiiboFile(VirtualAmiiboFile virtualAmiiboFile)
+        public static void SaveAmiiboFile(VirtualAmiiboFile virtualAmiiboFile)
         {
             string filePath = Path.Join(AppDataManager.BaseDirPath, "system", "amiibo", $"{virtualAmiiboFile.AmiiboId}.json");
             JsonHelper.SerializeToFile(filePath, virtualAmiiboFile, _serializerContext.VirtualAmiiboFile);
         }
+
+        public static bool SaveFileExists(VirtualAmiiboFile virtualAmiiboFile)
+        {
+            if (InputBin != string.Empty)
+            {
+                SaveAmiiboFile(virtualAmiiboFile);
+                return true;
+
+            }
+            return File.Exists(Path.Join(AppDataManager.BaseDirPath, "system", "amiibo", $"{virtualAmiiboFile.AmiiboId}.json"));
+        }
     }
 }

src/Ryujinx.HLE/HOS/Services/Nv/NvDrvServices/NvHostCtrl/Types/NvHostEvent.cs

@@ -26,7 +26,7 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostCtrl
         private NvFence _previousFailingFence;
         private uint _failingCount;
 
-        public readonly object Lock = new();
+        public readonly Lock Lock = new();
 
         /// <summary>
         /// Max failing count until waiting on CPU.

src/Ryujinx.HLE/HOS/Services/Nv/NvDrvServices/NvHostCtrl/Types/NvHostSyncPt.cs

@@ -17,7 +17,7 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvDrvServices.NvHostCtrl
 
         private readonly Switch _device;
 
-        private readonly object _syncpointAllocatorLock = new();
+        private readonly Lock _syncpointAllocatorLock = new();
 
         public NvHostSyncpt(Switch device)
         {

src/Ryujinx.HLE/HOS/Services/Sockets/Bsd/BsdContext.cs

@@ -3,6 +3,7 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Numerics;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
 {
@@ -10,7 +11,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
     {
         private static readonly ConcurrentDictionary<ulong, BsdContext> _registry = new();
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         private readonly List<IFileDescriptor> _fds;
 

src/Ryujinx.HLE/HOS/Services/Ssl/BuiltInCertificateManager.cs

@@ -16,6 +16,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.Ssl
 {
@@ -43,7 +44,7 @@ namespace Ryujinx.HLE.HOS.Services.Ssl
         private bool _initialized;
         private Dictionary<CaCertificateId, CertStoreEntry> _certificates;
 
-        private readonly object _lock = new();
+        private readonly Lock _lock = new();
 
         private struct CertStoreFileHeader
         {

src/Ryujinx.HLE/HOS/Services/SurfaceFlinger/ConsumerBase.cs

@@ -1,5 +1,6 @@
 using Ryujinx.HLE.HOS.Services.SurfaceFlinger.Types;
 using System;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
 {
@@ -23,7 +24,7 @@ namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
 
         protected BufferQueueConsumer Consumer;
 
-        protected readonly object Lock = new();
+        protected readonly Lock Lock = new();
 
         private readonly IConsumerListener _listener;
 

src/Ryujinx.HLE/HOS/Services/SurfaceFlinger/HOSBinderDriverServer.cs

@@ -2,6 +2,7 @@ using Ryujinx.Common.Logging;
 using Ryujinx.HLE.HOS.Kernel.Threading;
 using System;
 using System.Collections.Generic;
+using System.Threading;
 
 namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
 {
@@ -11,7 +12,7 @@ namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
 
         private static int _lastBinderId = 0;
 
-        private static readonly object _lock = new();
+        private static readonly Lock _lock = new();
 
         public static int RegisterBinderObject(IBinder binder)
         {