Merge 49ed30fa2a into d135385cab

You can access this in the Manage DLC screen, it's the new button on each DLC line.

Closes #548

src/ARMeilleure/Translation/PTC/Ptc.cs

@@ -3,6 +3,7 @@ using ARMeilleure.CodeGen.Linking;
 using ARMeilleure.CodeGen.Unwinding;
 using ARMeilleure.Common;
 using ARMeilleure.Memory;
+using ARMeilleure.State;
 using Ryujinx.Common;
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Logging;
@@ -29,8 +30,8 @@ namespace ARMeilleure.Translation.PTC
     {
         private const string OuterHeaderMagicString = "PTCohd\0\0";
         private const string InnerHeaderMagicString = "PTCihd\0\0";
-        
-        private const uint InternalVersion = 6998; //! To be incremented manually for each change to the ARMeilleure project.
+
+        private const uint InternalVersion = 7007; //! To be incremented manually for each change to the ARMeilleure project.
 
         private const string ActualDir = "0";
         private const string BackupDir = "1";
@@ -183,6 +184,36 @@ namespace ARMeilleure.Translation.PTC
             InitializeCarriers();
         }
 
+        private bool ContainsBlacklistedFunctions()
+        {
+            List<ulong> blacklist = Profiler.GetBlacklistedFunctions();
+            bool containsBlacklistedFunctions = false;
+            _infosStream.Seek(0L, SeekOrigin.Begin);
+            bool foundBadFunction = false;
+
+            for (int index = 0; index < GetEntriesCount(); index++)
+            {
+                InfoEntry infoEntry = DeserializeStructure<InfoEntry>(_infosStream);
+                foreach (ulong address in blacklist)
+                {
+                    if (infoEntry.Address == address)
+                    {
+                        containsBlacklistedFunctions = true;
+                        Logger.Warning?.Print(LogClass.Ptc, "PPTC cache invalidated: Found blacklisted functions in PPTC cache");
+                        foundBadFunction = true;
+                        break;
+                    }
+                }
+
+                if (foundBadFunction)
+                {
+                    break;
+                }
+            }
+
+            return containsBlacklistedFunctions;
+        }
+
         private void PreLoad()
         {
             string fileNameActual = $"{CachePathActual}.cache";
@@ -531,7 +562,7 @@ namespace ARMeilleure.Translation.PTC
 
         public void LoadTranslations(Translator translator)
         {
-            if (AreCarriersEmpty())
+            if (AreCarriersEmpty() || ContainsBlacklistedFunctions())
             {
                 return;
             }
@@ -834,10 +865,18 @@ namespace ARMeilleure.Translation.PTC
                 while (profiledFuncsToTranslate.TryDequeue(out var item))
                 {
                     ulong address = item.address;
+                    ExecutionMode executionMode = item.funcProfile.Mode;
+                    bool highCq = item.funcProfile.HighCq;
 
                     Debug.Assert(Profiler.IsAddressInStaticCodeRange(address));
 
-                    TranslatedFunction func = translator.Translate(address, item.funcProfile.Mode, item.funcProfile.HighCq);
+                    TranslatedFunction func = translator.Translate(address, executionMode, highCq);
+
+                    if (func == null)
+                    {
+                        Profiler.UpdateEntry(address, executionMode, true, true);
+                        continue;
+                    }
 
                     bool isAddressUnique = translator.Functions.TryAdd(address, func.GuestSize, func);
 
@@ -884,7 +923,14 @@ namespace ARMeilleure.Translation.PTC
 
             PtcStateChanged?.Invoke(PtcLoadingState.Loaded, _translateCount, _translateTotalCount);
 
-            Logger.Info?.Print(LogClass.Ptc, $"{_translateCount} of {_translateTotalCount} functions translated | Thread count: {degreeOfParallelism} in {sw.Elapsed.TotalSeconds} s");
+            if (_translateCount == _translateTotalCount)
+            {
+                Logger.Info?.Print(LogClass.Ptc, $"{_translateCount} of {_translateTotalCount} functions translated | Thread count: {degreeOfParallelism} in {sw.Elapsed.TotalSeconds} s");
+            }
+            else
+            {
+                Logger.Info?.Print(LogClass.Ptc, $"{_translateCount} of {_translateTotalCount} functions translated | {_translateTotalCount - _translateCount} function{(_translateTotalCount - _translateCount != 1 ? "s" : "")} blacklisted | Thread count: {degreeOfParallelism} in {sw.Elapsed.TotalSeconds} s");
+            }
 
             Thread preSaveThread = new(PreSave)
             {

src/ARMeilleure/Translation/PTC/PtcProfiler.cs

@@ -24,10 +24,11 @@ namespace ARMeilleure.Translation.PTC
     {
         private const string OuterHeaderMagicString = "Pohd\0\0\0\0";
 
-        private const uint InternalVersion = 5518; //! Not to be incremented manually for each change to the ARMeilleure project.
+        private const uint InternalVersion = 7007; //! Not to be incremented manually for each change to the ARMeilleure project.
 
         private static readonly uint[] _migrateInternalVersions = {
             1866,
+            5518,
         };
 
         private const int SaveInterval = 30; // Seconds.
@@ -76,20 +77,30 @@ namespace ARMeilleure.Translation.PTC
         private void TimerElapsed(object _, ElapsedEventArgs __) 
             => new Thread(PreSave) { Name = "Ptc.DiskWriter" }.Start();
 
-        public void AddEntry(ulong address, ExecutionMode mode, bool highCq)
+        public void AddEntry(ulong address, ExecutionMode mode, bool highCq, bool blacklist = false)
         {
             if (IsAddressInStaticCodeRange(address))
             {
                 Debug.Assert(!highCq);
 
-                lock (_lock)
+                if (blacklist)
                 {
-                    ProfiledFuncs.TryAdd(address, new FuncProfile(mode, highCq: false));
+                    lock (_lock)
+                    {
+                        ProfiledFuncs[address] = new FuncProfile(mode, highCq: false, true);
+                    }
+                }
+                else
+                {
+                    lock (_lock)
+                    {
+                        ProfiledFuncs.TryAdd(address, new FuncProfile(mode, highCq: false, false));
+                    }
                 }
             }
         }
 
-        public void UpdateEntry(ulong address, ExecutionMode mode, bool highCq)
+        public void UpdateEntry(ulong address, ExecutionMode mode, bool highCq, bool? blacklist = null)
         {
             if (IsAddressInStaticCodeRange(address))
             {
@@ -99,7 +110,7 @@ namespace ARMeilleure.Translation.PTC
                 {
                     Debug.Assert(ProfiledFuncs.ContainsKey(address));
 
-                    ProfiledFuncs[address] = new FuncProfile(mode, highCq: true);
+                    ProfiledFuncs[address] = new FuncProfile(mode, highCq: true, blacklist ?? ProfiledFuncs[address].Blacklist);
                 }
             }
         }
@@ -115,7 +126,7 @@ namespace ARMeilleure.Translation.PTC
 
             foreach (var profiledFunc in ProfiledFuncs)
             {
-                if (!funcs.ContainsKey(profiledFunc.Key))
+                if (!funcs.ContainsKey(profiledFunc.Key) && !profiledFunc.Value.Blacklist)
                 {
                     profiledFuncsToTranslate.Enqueue((profiledFunc.Key, profiledFunc.Value));
                 }
@@ -130,6 +141,24 @@ namespace ARMeilleure.Translation.PTC
             ProfiledFuncs.TrimExcess();
         }
 
+        public List<ulong> GetBlacklistedFunctions()
+        {
+            List<ulong> funcs = new List<ulong>();
+
+            foreach (var profiledFunc in ProfiledFuncs)
+            {
+                if (profiledFunc.Value.Blacklist)
+                {
+                    if (!funcs.Contains(profiledFunc.Key))
+                    {
+                        funcs.Add(profiledFunc.Key);
+                    }
+                }
+            }
+
+            return funcs;
+        }
+
         public void PreLoad()
         {
             _lastHash = default;
@@ -220,13 +249,18 @@ namespace ARMeilleure.Translation.PTC
                     return false;
                 }
 
+                Func<ulong, FuncProfile, (ulong, FuncProfile)> migrateEntryFunc = null;
+
                 switch (outerHeader.InfoFileVersion)
                 {
                     case InternalVersion:
                         ProfiledFuncs = Deserialize(stream);
                         break;
                     case 1866:
-                        ProfiledFuncs = Deserialize(stream, (address, profile) => (address + 0x500000UL, profile));
+                        migrateEntryFunc = (address, profile) => (address + 0x500000UL, profile);
+                        goto case 5518;
+                    case 5518:
+                        ProfiledFuncs = DeserializeAddBlacklist(stream, migrateEntryFunc);
                         break;
                     default:
                         Logger.Error?.Print(LogClass.Ptc, $"No migration path for {nameof(outerHeader.InfoFileVersion)} '{outerHeader.InfoFileVersion}'. Discarding cache.");
@@ -256,6 +290,16 @@ namespace ARMeilleure.Translation.PTC
             return DeserializeDictionary<ulong, FuncProfile>(stream, DeserializeStructure<FuncProfile>);
         }
 
+        private static Dictionary<ulong, FuncProfile> DeserializeAddBlacklist(Stream stream, Func<ulong, FuncProfile, (ulong, FuncProfile)> migrateEntryFunc = null)
+        {
+            if (migrateEntryFunc != null)
+            {
+                return DeserializeAndUpdateDictionary(stream, (Stream stream) => { return new FuncProfile(DeserializeStructure<FuncProfilePreBlacklist>(stream)); }, migrateEntryFunc);
+            }
+
+            return DeserializeDictionary<ulong, FuncProfile>(stream, (Stream stream) => { return new FuncProfile(DeserializeStructure<FuncProfilePreBlacklist>(stream)); });
+        }
+
         private static ReadOnlySpan<byte> GetReadOnlySpan(MemoryStream memoryStream)
         {
             return new(memoryStream.GetBuffer(), (int)memoryStream.Position, (int)memoryStream.Length - (int)memoryStream.Position);
@@ -387,13 +431,35 @@ namespace ARMeilleure.Translation.PTC
             }
         }
 
-        [StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 5*/)]
+        [StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 6*/)]
         public struct FuncProfile
         {
             public ExecutionMode Mode;
             public bool HighCq;
+            public bool Blacklist;
 
-            public FuncProfile(ExecutionMode mode, bool highCq)
+            public FuncProfile(ExecutionMode mode, bool highCq, bool blacklist)
+            {
+                Mode = mode;
+                HighCq = highCq;
+                Blacklist = blacklist;
+            }
+
+            public FuncProfile(FuncProfilePreBlacklist fp)
+            {
+                Mode = fp.Mode;
+                HighCq = fp.HighCq;
+                Blacklist = false;
+            }
+        }
+
+        [StructLayout(LayoutKind.Sequential, Pack = 1/*, Size = 5*/)]
+        public struct FuncProfilePreBlacklist
+        {
+            public ExecutionMode Mode;
+            public bool HighCq;
+
+            public FuncProfilePreBlacklist(ExecutionMode mode, bool highCq)
             {
                 Mode = mode;
                 HighCq = highCq;

src/ARMeilleure/Translation/Translator.cs

@@ -249,6 +249,11 @@ namespace ARMeilleure.Translation
 
             ControlFlowGraph cfg = EmitAndGetCFG(context, blocks, out Range funcRange, out Counter<uint> counter);
 
+            if (cfg == null)
+            {
+                return null;
+            }
+
             ulong funcSize = funcRange.End - funcRange.Start;
 
             Logger.EndPass(PassName.Translation, cfg);
@@ -407,6 +412,11 @@ namespace ARMeilleure.Translation
                         if (opCode.Instruction.Emitter != null)
                         {
                             opCode.Instruction.Emitter(context);
+                            if (opCode.Instruction.Name == InstName.Und && blkIndex == 0)
+                            {
+                                range = new Range(rangeStart, rangeEnd);
+                                return null;
+                            }
                         }
                         else
                         {

src/Ryujinx.HLE/HOS/ArmProcessContextFactory.cs

@@ -20,6 +20,7 @@ namespace Ryujinx.HLE.HOS
         private readonly string _titleIdText;
         private readonly string _displayVersion;
         private readonly bool _diskCacheEnabled;
+        private readonly string _diskCacheSelector;
         private readonly ulong _codeAddress;
         private readonly ulong _codeSize;
 
@@ -31,6 +32,7 @@ namespace Ryujinx.HLE.HOS
             string titleIdText,
             string displayVersion,
             bool diskCacheEnabled,
+            string diskCacheSelector,
             ulong codeAddress,
             ulong codeSize)
         {
@@ -39,6 +41,7 @@ namespace Ryujinx.HLE.HOS
             _titleIdText = titleIdText;
             _displayVersion = displayVersion;
             _diskCacheEnabled = diskCacheEnabled;
+            _diskCacheSelector = diskCacheSelector;
             _codeAddress = codeAddress;
             _codeSize = codeSize;
         }
@@ -114,7 +117,7 @@ namespace Ryujinx.HLE.HOS
                 }
             }
 
-            DiskCacheLoadState = processContext.Initialize(_titleIdText, _displayVersion, _diskCacheEnabled, _codeAddress, _codeSize, "default"); //Ready for exefs profiles
+            DiskCacheLoadState = processContext.Initialize(_titleIdText, _displayVersion, _diskCacheEnabled, _codeAddress, _codeSize, _diskCacheSelector ?? "default");
 
             return processContext;
         }

src/Ryujinx.HLE/HOS/ModLoader.cs

@@ -5,6 +5,7 @@ using LibHac.FsSystem;
 using LibHac.Loader;
 using LibHac.Tools.FsSystem;
 using LibHac.Tools.FsSystem.RomFs;
+using LibHac.Util;
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Logging;
 using Ryujinx.Common.Utilities;
@@ -18,6 +19,7 @@ using System.Collections.Specialized;
 using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Security.Cryptography;
 using LazyFile = Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy.LazyFile;
 using Path = System.IO.Path;
 
@@ -580,6 +582,7 @@ namespace Ryujinx.HLE.HOS
             public BitVector32 Stubs;
             public BitVector32 Replaces;
             public MetaLoader Npdm;
+            public string Hash;
 
             public bool Modified => (Stubs.Data | Replaces.Data) != 0;
         }
@@ -590,8 +593,11 @@ namespace Ryujinx.HLE.HOS
             {
                 Stubs = new BitVector32(),
                 Replaces = new BitVector32(),
+                Hash = null,
             };
 
+            string tempHash = string.Empty;
+
             if (!_appMods.TryGetValue(applicationId, out ModCache mods) || mods.ExefsDirs.Count == 0)
             {
                 return modLoadResult;
@@ -627,8 +633,16 @@ namespace Ryujinx.HLE.HOS
 
                         modLoadResult.Replaces[1 << i] = true;
 
-                        nsos[i] = new NsoExecutable(nsoFile.OpenRead().AsStorage(), nsoName);
-                        Logger.Info?.Print(LogClass.ModLoader, $"NSO '{nsoName}' replaced");
+                        using (FileStream stream = nsoFile.OpenRead())
+                        {
+                            nsos[i] = new NsoExecutable(stream.AsStorage(), nsoName);
+                            Logger.Info?.Print(LogClass.ModLoader, $"NSO '{nsoName}' replaced");
+                            using (MD5 md5 = MD5.Create())
+                            {
+                                stream.Seek(0, SeekOrigin.Begin);
+                                tempHash += BitConverter.ToString(md5.ComputeHash(stream)).Replace("-", "").ToLowerInvariant();
+                            }
+                        }
                     }
 
                     modLoadResult.Stubs[1 << i] |= File.Exists(Path.Combine(mod.Path.FullName, nsoName + StubExtension));
@@ -660,6 +674,14 @@ namespace Ryujinx.HLE.HOS
                 }
             }
 
+            if (!string.IsNullOrEmpty(tempHash))
+            {
+                using (MD5 md5 = MD5.Create())
+                {
+                    modLoadResult.Hash += BitConverter.ToString(md5.ComputeHash(tempHash.ToBytes())).Replace("-", "").ToLowerInvariant();
+                }
+            }
+
             return modLoadResult;
         }
 

src/Ryujinx.HLE/Loaders/Processes/Extensions/FileSystemExtensions.cs

@@ -84,13 +84,6 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
             // Apply Nsos patches.
             device.Configuration.VirtualFileSystem.ModLoader.ApplyNsoPatches(programId, nsoExecutables);
 
-            // Don't use PTC if ExeFS files have been replaced.
-            bool enablePtc = device.System.EnablePtc && !modLoadResult.Modified;
-            if (!enablePtc)
-            {
-                Logger.Warning?.Print(LogClass.Ptc, "Detected unsupported ExeFs modifications. PTC disabled.");
-            }
-
             string programName = string.Empty;
 
             if (!isHomebrew && programId > 0x010000000000FFFF)
@@ -117,7 +110,8 @@ namespace Ryujinx.HLE.Loaders.Processes.Extensions
                 device.System.KernelContext,
                 metaLoader,
                 nacpData,
-                enablePtc,
+                device.System.EnablePtc,
+                modLoadResult.Hash,
                 true,
                 programName,
                 metaLoader.GetProgramId(),

src/Ryujinx.HLE/Loaders/Processes/ProcessLoader.cs

@@ -235,6 +235,7 @@ namespace Ryujinx.HLE.Loaders.Processes
                                                                        dummyExeFs.GetNpdm(),
                                                                        nacpData,
                                                                        diskCacheEnabled: false,
+                                                                       diskCacheSelector: null,
                                                                        allowCodeMemoryForJit: true,
                                                                        programName,
                                                                        programId,

src/Ryujinx.HLE/Loaders/Processes/ProcessLoaderHelper.cs

@@ -186,6 +186,7 @@ namespace Ryujinx.HLE.Loaders.Processes
                 string.Empty,
                 string.Empty,
                 false,
+                null,
                 codeAddress,
                 codeSize);
 
@@ -226,6 +227,7 @@ namespace Ryujinx.HLE.Loaders.Processes
             MetaLoader metaLoader,
             BlitStruct<ApplicationControlProperty> applicationControlProperties,
             bool diskCacheEnabled,
+            string diskCacheSelector,
             bool allowCodeMemoryForJit,
             string name,
             ulong programId,
@@ -379,6 +381,7 @@ namespace Ryujinx.HLE.Loaders.Processes
                 $"{programId:x16}",
                 displayVersion,
                 diskCacheEnabled,
+                diskCacheSelector,
                 codeStart,
                 codeSize);
 

src/Ryujinx/Assets/locales.json

@@ -2022,6 +2022,56 @@
         "zh_TW": "下一次啟動遊戲時，觸發 PPTC 進行重建"
       }
     },
+    {
+      "ID": "GameListContextMenuCacheManagementNukePptc",
+      "Translations": {
+        "ar_SA": "",
+        "de_DE": "",
+        "el_GR": "",
+        "en_US": "Purge PPTC cache",
+        "es_ES": "",
+        "fr_FR": "",
+        "he_IL": "",
+        "it_IT": "",
+        "ja_JP": "",
+        "ko_KR": "",
+        "no_NO": "",
+        "pl_PL": "",
+        "pt_BR": "",
+        "ru_RU": "",
+        "sv_SE": "",
+        "th_TH": "",
+        "tr_TR": "",
+        "uk_UA": "",
+        "zh_CN": "",
+        "zh_TW": ""
+      }
+    },
+    {
+      "ID": "GameListContextMenuCacheManagementNukePptcToolTip",
+      "Translations": {
+        "ar_SA": "",
+        "de_DE": "",
+        "el_GR": "",
+        "en_US": "Deletes all PPTC cache files for the Application",
+        "es_ES": "",
+        "fr_FR": "",
+        "he_IL": "",
+        "it_IT": "",
+        "ja_JP": "",
+        "ko_KR": "",
+        "no_NO": "",
+        "pl_PL": "",
+        "pt_BR": "",
+        "ru_RU": "",
+        "sv_SE": "",
+        "th_TH": "",
+        "tr_TR": "",
+        "uk_UA": "",
+        "zh_CN": "",
+        "zh_TW": ""
+      }
+    },
     {
       "ID": "GameListContextMenuCacheManagementPurgeShaderCache",
       "Translations": {
@@ -12797,6 +12847,31 @@
         "zh_TW": "在 {0} 清除 PPTC 快取時出錯: {1}"
       }
     },
+    {
+      "ID": "DialogPPTCNukeMessage",
+      "Translations": {
+        "ar_SA": "",
+        "de_DE": "",
+        "el_GR": "",
+        "en_US": "You are about to purge all PPTC data from:\n\n{0}\n\nAre you sure you want to proceed?",
+        "es_ES": "",
+        "fr_FR": "",
+        "he_IL": "",
+        "it_IT": "",
+        "ja_JP": "",
+        "ko_KR": "",
+        "no_NO": "",
+        "pl_PL": "",
+        "pt_BR": "",
+        "ru_RU": "",
+        "sv_SE": "",
+        "th_TH": "",
+        "tr_TR": "",
+        "uk_UA": "",
+        "zh_CN": "",
+        "zh_TW": ""
+      }
+    },
     {
       "ID": "DialogShaderDeletionMessage",
       "Translations": {

src/Ryujinx/Common/ApplicationHelper.cs

@@ -295,6 +295,143 @@ namespace Ryujinx.Ava.Common
             };
             extractorThread.Start();
         }
+        
+        public static void ExtractAoc(string destination, NcaSectionType ncaSectionType, string updateFilePath, string updateName)
+        {
+            var cancellationToken = new CancellationTokenSource();
+
+            UpdateWaitWindow waitingDialog = new(
+                RyujinxApp.FormatTitle(LocaleKeys.DialogNcaExtractionTitle),
+                LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.DialogNcaExtractionMessage, ncaSectionType, Path.GetFileName(updateFilePath)),
+                cancellationToken);
+
+            Thread extractorThread = new(() =>
+            {
+                Dispatcher.UIThread.Post(waitingDialog.Show);
+
+                using FileStream file = new(updateFilePath, FileMode.Open, FileAccess.Read);
+
+                Nca publicDataNca = null;
+
+                string extension = Path.GetExtension(updateFilePath).ToLower();
+                if (extension is ".nsp")
+                {
+                    var pfsTemp = new PartitionFileSystem();
+                    pfsTemp.Initialize(file.AsStorage()).ThrowIfFailure();
+                    IFileSystem pfs = pfsTemp;
+
+                    foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
+                    {
+                        using var ncaFile = new UniqueRef<IFile>();
+
+                        pfs.OpenFile(ref ncaFile.Ref, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
+
+                        Nca nca = new(_virtualFileSystem.KeySet, ncaFile.Get.AsStorage());
+                        if (nca.Header.ContentType is NcaContentType.PublicData && nca.SectionExists(NcaSectionType.Data))
+                        {
+                            publicDataNca = nca;
+                        }
+                    }
+                }
+
+                if (publicDataNca is null)
+                {
+                    Logger.Error?.Print(LogClass.Application, "Extraction failure. The  NCA was not present in the selected file");
+
+                    Dispatcher.UIThread.InvokeAsync(async () =>
+                    {
+                        waitingDialog.Close();
+
+                        await ContentDialogHelper.CreateErrorDialog(LocaleManager.Instance[LocaleKeys.DialogNcaExtractionMainNcaNotFoundErrorMessage]);
+                    });
+
+                    return;
+                }
+
+                IntegrityCheckLevel checkLevel = ConfigurationState.Instance.System.EnableFsIntegrityChecks
+                    ? IntegrityCheckLevel.ErrorOnInvalid
+                    : IntegrityCheckLevel.None;
+
+                int index = Nca.GetSectionIndexFromType(ncaSectionType, publicDataNca.Header.ContentType);
+
+                try
+                {
+                    IFileSystem ncaFileSystem = publicDataNca.OpenFileSystem(index, IntegrityCheckLevel.ErrorOnInvalid);
+
+                    FileSystemClient fsClient = _horizonClient.Fs;
+
+                    string source = DateTime.Now.ToFileTime().ToString()[10..];
+                    string output = DateTime.Now.ToFileTime().ToString()[10..];
+
+                    using var uniqueSourceFs = new UniqueRef<IFileSystem>(ncaFileSystem);
+                    using var uniqueOutputFs = new UniqueRef<IFileSystem>(new LocalFileSystem(destination));
+
+                    fsClient.Register(source.ToU8Span(), ref uniqueSourceFs.Ref);
+                    fsClient.Register(output.ToU8Span(), ref uniqueOutputFs.Ref);
+
+                    (Result? resultCode, bool canceled) = CopyDirectory(fsClient, $"{source}:/", $"{output}:/", cancellationToken.Token);
+
+                    if (!canceled)
+                    {
+                        if (resultCode.Value.IsFailure())
+                        {
+                            Logger.Error?.Print(LogClass.Application, $"LibHac returned error code: {resultCode.Value.ErrorCode}");
+
+                            Dispatcher.UIThread.InvokeAsync(async () =>
+                            {
+                                waitingDialog.Close();
+
+                                await ContentDialogHelper.CreateErrorDialog(LocaleManager.Instance[LocaleKeys.DialogNcaExtractionCheckLogErrorMessage]);
+                            });
+                        }
+                        else if (resultCode.Value.IsSuccess())
+                        {
+                            Dispatcher.UIThread.Post(waitingDialog.Close);
+
+                            NotificationHelper.ShowInformation(
+                                RyujinxApp.FormatTitle(LocaleKeys.DialogNcaExtractionTitle),
+                                $"{updateName}\n\n{LocaleManager.Instance[LocaleKeys.DialogNcaExtractionSuccessMessage]}");
+                        }
+                    }
+
+                    fsClient.Unmount(source.ToU8Span());
+                    fsClient.Unmount(output.ToU8Span());
+                }
+                catch (ArgumentException ex)
+                {
+                    Logger.Error?.Print(LogClass.Application, $"{ex.Message}");
+
+                    Dispatcher.UIThread.InvokeAsync(async () =>
+                    {
+                        waitingDialog.Close();
+
+                        await ContentDialogHelper.CreateErrorDialog(ex.Message);
+                    });
+                }
+            })
+            {
+                Name = "GUI.NcaSectionExtractorThread",
+                IsBackground = true,
+            };
+            extractorThread.Start();
+        }
+
+        public static async Task ExtractAoc(IStorageProvider storageProvider, NcaSectionType ncaSectionType,
+            string updateFilePath, string updateName)
+        {
+            var result = await storageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions
+            {
+                Title = LocaleManager.Instance[LocaleKeys.FolderDialogExtractTitle],
+                AllowMultiple = false,
+            });
+
+            if (result.Count == 0)
+            {
+                return;
+            }
+
+            ExtractAoc(result[0].Path.LocalPath, ncaSectionType, updateFilePath, updateName);
+        }
 
 
         public static async Task ExtractSection(IStorageProvider storageProvider, NcaSectionType ncaSectionType, string titleFilePath, string titleName, int programIndex = 0)

src/Ryujinx/UI/Controls/ApplicationContextMenu.axaml

@@ -81,6 +81,11 @@
             Header="{ext:Locale GameListContextMenuCacheManagementPurgePptc}"
             Icon="{ext:Icon mdi-refresh}"
             ToolTip.Tip="{ext:Locale GameListContextMenuCacheManagementPurgePptcToolTip}" />
+        <MenuItem
+            Click="NukePtcCache_Click"
+            Header="{ext:Locale GameListContextMenuCacheManagementNukePptc}"
+            Icon="{ext:Icon mdi-delete-alert}"
+            ToolTip.Tip="{ext:Locale GameListContextMenuCacheManagementNukePptcToolTip}" />
         <MenuItem
             Click="PurgeShaderCache_Click"
             Header="{ext:Locale GameListContextMenuCacheManagementPurgeShaderCache}"

src/Ryujinx/UI/Controls/ApplicationContextMenu.axaml.cs

@@ -171,6 +171,52 @@ namespace Ryujinx.Ava.UI.Controls
             }
         }
 
+        public async void NukePtcCache_Click(object sender, RoutedEventArgs args)
+        {
+            if (sender is not MenuItem { DataContext: MainWindowViewModel { SelectedApplication: not null } viewModel })
+                return;
+
+            UserResult result = await ContentDialogHelper.CreateLocalizedConfirmationDialog(
+                LocaleManager.Instance[LocaleKeys.DialogWarning],
+                LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.DialogPPTCNukeMessage, viewModel.SelectedApplication.Name)
+            );
+
+            if (result == UserResult.Yes)
+            {
+                DirectoryInfo mainDir = new(Path.Combine(AppDataManager.GamesDirPath, viewModel.SelectedApplication.IdString, "cache", "cpu", "0"));
+                DirectoryInfo backupDir = new(Path.Combine(AppDataManager.GamesDirPath, viewModel.SelectedApplication.IdString, "cache", "cpu", "1"));
+
+                List<FileInfo> cacheFiles = new();
+
+                if (mainDir.Exists)
+                {
+                    cacheFiles.AddRange(mainDir.EnumerateFiles("*.cache"));
+                    cacheFiles.AddRange(mainDir.EnumerateFiles("*.info"));
+                }
+
+                if (backupDir.Exists)
+                {
+                    cacheFiles.AddRange(backupDir.EnumerateFiles("*.cache"));
+                    cacheFiles.AddRange(mainDir.EnumerateFiles("*.info"));
+                }
+
+                if (cacheFiles.Count > 0)
+                {
+                    foreach (FileInfo file in cacheFiles)
+                    {
+                        try
+                        {
+                            file.Delete();
+                        }
+                        catch (Exception ex)
+                        {
+                            await ContentDialogHelper.CreateErrorDialog(LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.DialogPPTCDeletionErrorMessage, file.Name, ex));
+                        }
+                    }
+                }
+            }
+        }
+
         public async void PurgeShaderCache_Click(object sender, RoutedEventArgs args)
         {
             if (sender is not MenuItem { DataContext: MainWindowViewModel { SelectedApplication: not null } viewModel })

src/Ryujinx/UI/Windows/DownloadableContentManagerWindow.axaml

@@ -7,6 +7,7 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:viewModels="clr-namespace:Ryujinx.Ava.UI.ViewModels"
     xmlns:ui="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
+    xmlns:pi="using:Projektanker.Icons.Avalonia"
     xmlns:helpers="clr-namespace:Ryujinx.Ava.UI.Helpers"
     xmlns:models="clr-namespace:Ryujinx.Ava.Common.Models"
     Width="500"
@@ -89,7 +90,7 @@
                 <ListBox.DataTemplates>
                     <DataTemplate
                         DataType="models:DownloadableContentModel">
-                        <Panel Margin="10">
+                        <Panel Margin="10" Background="Transparent">
                             <Grid ColumnDefinitions="*,Auto">
                                 <Grid
                                     Grid.Column="0" ColumnDefinitions="*,Auto">
@@ -119,6 +120,15 @@
                                     Spacing="10"
                                     Orientation="Horizontal"
                                     HorizontalAlignment="Right">
+                                    <Button 
+                                        VerticalAlignment="Center"
+                                        HorizontalAlignment="Right"
+                                        Padding="10"
+                                        MinWidth="0"
+                                        MinHeight="0"
+                                        Click="DlcItem_DumpRomfs">
+                                        <ui:SymbolIcon Symbol="MoveToFolder"/>
+                                    </Button>
                                     <Button
                                         VerticalAlignment="Center"
                                         HorizontalAlignment="Right"

src/Ryujinx/UI/Windows/DownloadableContentManagerWindow.axaml.cs

@@ -2,6 +2,8 @@ using Avalonia.Controls;
 using Avalonia.Interactivity;
 using Avalonia.Styling;
 using FluentAvalonia.UI.Controls;
+using LibHac.Tools.FsSystem.NcaUtils;
+using Ryujinx.Ava.Common;
 using Ryujinx.Ava.Common.Locale;
 using Ryujinx.Ava.Common.Models;
 using Ryujinx.Ava.UI.ViewModels;
@@ -93,5 +95,18 @@ namespace Ryujinx.Ava.UI.Windows
                 }
             }
         }
+        
+        private async void DlcItem_DumpRomfs(object sender, RoutedEventArgs e)
+        {
+            if (sender is not Button { DataContext: DownloadableContentModel dlc }) return;
+            if (RyujinxApp.MainWindow.ViewModel is not { } viewModel)
+                return;
+            
+            await ApplicationHelper.ExtractAoc(
+                viewModel.StorageProvider,
+                NcaSectionType.Data,
+                dlc.ContainerPath,
+                dlc.FileName);
+        }
     }
 }