[core, *] support bundled application program IDs

cpmfile.json

@@ -340,10 +340,10 @@
         "version": "vulkan-sdk-%NUMERIC_VERSION%"
     },
     "xbyak": {
-        "hash": "e0aa0a603dd3ac1a39d82213df1e73c042831aec2d6b2fe382c899651eaae4ed7e8aeb6be9c41ea0097087c9d091961ab18f313cd6a9e10d621715ffd49bfe36",
+        "hash": "b6475276b2faaeb315734ea8f4f8bd87ededcee768961b39679bee547e7f3e98884d8b7851e176d861dab30a80a76e6ea302f8c111483607dde969b4797ea95a",
         "package": "xbyak",
         "repo": "herumi/xbyak",
-        "version": "v7.40.1"
+        "version": "v7.35.2"
     },
     "zlib": {
         "hash": "16fea4df307a68cf0035858abe2fd550250618a97590e202037acd18a666f57afc10f8836cbbd472d54a0e76539d0e558cb26f059d53de52ff90634bbf4f47d4",

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/utils/SettingsFile.kt

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -24,6 +27,6 @@ object SettingsFile {
 
     fun loadCustomConfig(game: Game) {
         val fileName = FileUtil.getFilename(Uri.parse(game.path))
-        NativeConfig.initializePerGameConfig(game.programId, fileName)
+        NativeConfig.initializePerGameConfig(game.applicationId, fileName)
     }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/AddonsFragment.kt

@@ -189,7 +189,7 @@ class AddonsFragment : Fragment() {
                 fragmentManager = parentFragmentManager,
                 addonViewModel = addonViewModel,
                 documents = documents,
-                programId = args.game.programId
+                programId = args.game.applicationId
             )
         }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt

@@ -347,7 +347,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
         }
         try {
             if (GpuDriverHelper.isAdrenoGpu()) {
-                val programIdHex = game!!.programIdHex
+                val programIdHex = game!!.applicationIdHex
                 if (NativeFreedrenoConfig.loadPerGameConfigWithGlobalFallback(programIdHex)) {
                     Log.info("[EmulationFragment] Loaded per-game Freedreno config for $programIdHex")
                 } else {

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/FreedrenoSettingsFragment.kt

@@ -59,7 +59,7 @@ class FreedrenoSettingsFragment : Fragment() {
         NativeFreedrenoConfig.initializeFreedrenoConfig()
 
         if (isPerGameConfig) {
-            NativeFreedrenoConfig.loadPerGameConfig(game!!.programIdHex)
+            NativeFreedrenoConfig.loadPerGameConfig(game!!.applicationIdHex)
         } else {
             NativeFreedrenoConfig.reloadFreedrenoConfig()
         }
@@ -157,7 +157,7 @@ class FreedrenoSettingsFragment : Fragment() {
 
         binding.buttonSave.setOnClickListener {
             if (isPerGameConfig) {
-                NativeFreedrenoConfig.savePerGameConfig(game!!.programIdHex)
+                NativeFreedrenoConfig.savePerGameConfig(game!!.applicationIdHex)
                 showSnackbar(getString(R.string.freedreno_per_game_saved))
             } else {
                 NativeFreedrenoConfig.saveFreedrenoConfig()

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/GamePropertiesFragment.kt

@@ -455,7 +455,7 @@ class GamePropertiesFragment : Fragment() {
 
                 val shaderCacheDir = File(
                     DirectoryInitialization.userDirectory +
-                        "/cache/shader/" + args.game.settingsName.lowercase()
+                        "/cache/shader/" + args.game.shaderCacheName.lowercase()
                 )
                 if (shaderCacheDir.exists()) {
                     add(
@@ -600,7 +600,7 @@ class GamePropertiesFragment : Fragment() {
                     val files = cacheSaveDir.listFiles()
                     var savesFolderFile: File? = null
                     if (files != null) {
-                        val savesFolderName = args.game.programIdHex
+                        val savesFolderName = args.game.applicationIdHex
                         for (file in files) {
                             if (file.isDirectory && file.name == savesFolderName) {
                                 savesFolderFile = file

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/InstallableFragment.kt

@@ -232,7 +232,7 @@ class InstallableFragment : Fragment() {
                 fragmentManager = parentFragmentManager,
                 addonViewModel = addonViewModel,
                 documents = documents,
-                programId = addonViewModel.game?.programId
+                programId = addonViewModel.game?.applicationId
             )
         }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/AddonViewModel.kt

@@ -142,10 +142,11 @@ class AddonViewModel : ViewModel() {
     }
 
     fun onDeleteAddon(patch: Patch) {
+        val currentGame = game ?: return
         when (PatchType.from(patch.type)) {
-            PatchType.Update -> NativeLibrary.removeUpdate(patch.programId)
+            PatchType.Update -> NativeLibrary.removeUpdate(currentGame.programId)
-            PatchType.DLC -> NativeLibrary.removeDLC(patch.programId)
+            PatchType.DLC -> NativeLibrary.removeDLC(currentGame.applicationId)
-            PatchType.Mod -> NativeLibrary.removeMod(patch.programId, patch.name)
+            PatchType.Mod -> NativeLibrary.removeMod(currentGame.programId, patch.name)
         }
         refreshAddons(force = true)
     }
@@ -165,7 +166,7 @@ class AddonViewModel : ViewModel() {
         }
 
         NativeConfig.setDisabledAddons(
-            currentGame.programId,
+            currentGame.applicationId,
             currentList.mapNotNull {
                 if (it.enabled) {
                     null
@@ -199,6 +200,6 @@ class AddonViewModel : ViewModel() {
     }
 
     private fun gameKey(game: Game): String {
-        return "${game.programId}|${game.path}"
+        return "${game.applicationId}|${game.path}"
     }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/DriverViewModel.kt

@@ -150,7 +150,7 @@ class DriverViewModel : ViewModel() {
                     ?: return@withContext
                 val shaderDir = File(
                     externalFilesDir.absolutePath +
-                    "/shader/" + game.settingsName.lowercase()
+                    "/shader/" + game.shaderCacheName.lowercase()
                 )
                 if (shaderDir.exists()) {
                     shaderDir.deleteRecursively()

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/Game.kt

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
@@ -35,19 +35,26 @@ class Game(
     val keyAddedToLibraryTime get() = "${path}_AddedToLibraryTime"
     val keyLastPlayedTime get() = "${path}_LastPlayed"
 
+    private val programIdLong: Long
+        get() = programId.toLongOrNull() ?: 0L
+
+    private val applicationIdLong: Long
+        get() = programIdLong and -8192L
+
+    val applicationId: String
+        get() = applicationIdLong.toString()
+
     val settingsName: String
         get() {
-            val programIdLong = programId.toLong()
+            return if (applicationIdLong == 0L) {
-            return if (programIdLong == 0L) {
                 FileUtil.getFilename(Uri.parse(path))
             } else {
-                "0" + programIdLong.toString(16).uppercase()
+                "0" + applicationIdLong.toString(16).uppercase()
             }
         }
 
     val programIdHex: String
         get() {
-            val programIdLong = programId.toLong()
             return if (programIdLong == 0L) {
                 "0"
             } else {
@@ -55,16 +62,32 @@ class Game(
             }
         }
 
+    val shaderCacheName: String
+        get() = if (programIdLong == 0L) {
+            FileUtil.getFilename(Uri.parse(path))
+        } else {
+            "0" + programIdLong.toString(16).uppercase()
+        }
+
+    val applicationIdHex: String
+        get() {
+            return if (applicationIdLong == 0L) {
+                "0"
+            } else {
+                "0" + applicationIdLong.toString(16).uppercase()
+            }
+        }
+
     val saveZipName: String
         get() = "$title ${YuzuApplication.appContext.getString(R.string.save_data).lowercase()} - ${
         LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm"))
         }.zip"
 
     val saveDir: String
-        get() = NativeConfig.getSaveDir() + NativeLibrary.getSavePath(programId)
+        get() = NativeConfig.getSaveDir() + NativeLibrary.getSavePath(applicationId)
 
     val addonDir: String
-        get() = DirectoryInitialization.userDirectory + "/load/" + programIdHex + "/"
+        get() = DirectoryInitialization.userDirectory + "/load/" + applicationIdHex + "/"
 
     val launchIntent: Intent
         get() = Intent(YuzuApplication.appContext, EmulationActivity::class.java).apply {

src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/GamesFragment.kt

@@ -47,6 +47,7 @@ import info.debatty.java.stringsimilarity.Jaccard
 import info.debatty.java.stringsimilarity.JaroWinkler
 import java.util.Locale
 import androidx.core.content.edit
+import androidx.core.view.doOnNextLayout
 
 class GamesFragment : Fragment() {
     private var _binding: FragmentGamesBinding? = null
@@ -58,6 +59,7 @@ class GamesFragment : Fragment() {
     private var originalHeaderLeftMargin: Int? = null
 
     private var lastViewType: Int = GameAdapter.VIEW_TYPE_GRID
+    private var fallbackBottomInset: Int = 0
     private var pendingPostReloadListSettle = false
     private var pendingPostReloadListSettleGeneration = 0
     private var gameListSubmitGeneration = 0
@@ -225,7 +227,12 @@ class GamesFragment : Fragment() {
                 }
                 else -> throw IllegalArgumentException("Invalid view type: $savedViewType")
             }
-            if (savedViewType != GameAdapter.VIEW_TYPE_CAROUSEL) {
+            if (savedViewType == GameAdapter.VIEW_TYPE_CAROUSEL) {
+                (binding.gridGames as? View)?.let { it -> ViewCompat.requestApplyInsets(it)}
+                doOnNextLayout { //Carousel: important to avoid overlap issues
+                    (this as? CarouselRecyclerView)?.notifyLaidOut(fallbackBottomInset)
+                }
+            } else {
                 (this as? CarouselRecyclerView)?.setupCarousel(false)
             }
             adapter = gameAdapter
@@ -583,6 +590,11 @@ class GamesFragment : Fragment() {
                 qlaunchButton.layoutParams = mlpQLaunch
             }
 
+            val navInsets = windowInsets.getInsets(WindowInsetsCompat.Type.navigationBars())
+            val gestureInsets = windowInsets.getInsets(WindowInsetsCompat.Type.systemGestures())
+            val bottomInset = maxOf(navInsets.bottom, gestureInsets.bottom, cutoutInsets.bottom)
+            fallbackBottomInset = bottomInset
+            (binding.gridGames as? CarouselRecyclerView)?.notifyInsetsReady(bottomInset)
             windowInsets
         }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/CustomSettingsHandler.kt

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
@@ -65,7 +65,7 @@ object CustomSettingsHandler {
         // Initialize per-game config
         try {
             val fileName = FileUtil.getFilename(Uri.parse(game.path))
-            NativeConfig.initializePerGameConfig(game.programId, fileName)
+            NativeConfig.initializePerGameConfig(game.applicationId, fileName)
             Log.info("[CustomSettingsHandler] Successfully applied custom settings")
             return game
         } catch (e: Exception) {
@@ -333,20 +333,20 @@ object CustomSettingsHandler {
      */
     fun findGameByTitleId(titleId: String, context: Context): Game? {
         Log.info("[CustomSettingsHandler] Searching for game with title ID: $titleId")
-        // Convert hex title ID to decimal for comparison with programId
+        // Convert the program ID to the application ID used by per-game settings.
-        val programIdDecimal = try {
+        val applicationIdLong = try {
-            titleId.toLong(16).toString()
+            titleId.toLong(16) and -8192L
         } catch (e: NumberFormatException) {
             Log.error("[CustomSettingsHandler] Invalid title ID format: $titleId")
             return null
         }
+        val applicationIdDecimal = applicationIdLong.toString()
 
         // Expected hex format with "0" prefix
-        val expectedHex = "0${titleId.uppercase()}"
+        val expectedHex = "0${applicationIdLong.toString(16).uppercase()}"
         // First check cached games for fast lookup
         GameHelper.cachedGameList.find { game ->
-            game.programId == programIdDecimal ||
+            game.applicationId == applicationIdDecimal || game.applicationIdHex.equals(expectedHex, ignoreCase = true)
-                game.programIdHex.equals(expectedHex, ignoreCase = true)
         }?.let { foundGame ->
             Log.info("[CustomSettingsHandler] Found game in cache: ${foundGame.title}")
             return foundGame
@@ -355,8 +355,7 @@ object CustomSettingsHandler {
         Log.info("[CustomSettingsHandler] Game not in cache, scanning full library...")
         val allGames = GameHelper.getGames()
         val foundGame = allGames.find { game ->
-            game.programId == programIdDecimal ||
+            game.applicationId == applicationIdDecimal || game.applicationIdHex.equals(expectedHex, ignoreCase = true)
-                game.programIdHex.equals(expectedHex, ignoreCase = true)
         }
         if (foundGame != null) {
             Log.info("[CustomSettingsHandler] Found game: ${foundGame.title} at ${foundGame.path}")

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/GameHelper.kt

@@ -170,12 +170,12 @@ object GameHelper {
                     val game = getGame(it.uri, true, false)
                     if (game != null) {
                         games.add(game)
-                        if (game.programId != "0") {
+                        if (game.applicationId != "0") {
-                            gamesByProgramId[game.programId] = game
+                            gamesByProgramId[game.applicationId] = game
                         }
                     } else if (mountedContainer) {
                         GameMetadata.getProgramId(filePath).toLongOrNull()?.let { programId ->
-                            gamesByProgramId[(programId and 0x800L.inv()).toString()]
+                            gamesByProgramId[(programId and -8192L).toString()]
                         }?.let { existingGame ->
                             NativeLibrary.getPatchesForFile(existingGame.path, existingGame.programId)
                             existingGame.version = GameMetadata.getVersion(

src/android/app/src/main/java/org/yuzu/yuzu_emu/views/CarouselRecyclerView.kt

@@ -12,16 +12,13 @@ import androidx.recyclerview.widget.PagerSnapHelper
 import androidx.recyclerview.widget.RecyclerView
 import kotlin.math.abs
 import kotlin.math.cos
-import kotlin.math.pow
 import kotlin.math.sin
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.adapters.GameAdapter
 import androidx.core.view.doOnNextLayout
-import androidx.core.view.ViewCompat
 import org.yuzu.yuzu_emu.YuzuApplication
 import androidx.preference.PreferenceManager
 import androidx.core.view.WindowInsetsCompat
-import org.yuzu.yuzu_emu.utils.FullscreenHelper
 /**
  * CarouselRecyclerView encapsulates all carousel content for the games UI.
  * It manages overlapping cards, center snapping, custom drawing order,
@@ -35,9 +32,7 @@ class CarouselRecyclerView @JvmOverloads constructor(
 
     private var overlapFactor: Float = 0f
     private var overlapPx: Int = 0
-    private var bottomInset: Int = 0
+    private var bottomInset: Int = -1
-    private var latestWindowInsets: WindowInsetsCompat? = null
-    private var cardGeometryInitialized: Boolean = false
     private var overlapDecoration: OverlappingDecoration? = null
     private var pagerSnapHelper: PagerSnapHelper? = null
     private var scalingScrollListener: OnScrollListener? = null
@@ -96,38 +91,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
 
     init {
         setChildrenDrawingOrderEnabled(true)
-        ViewCompat.setOnApplyWindowInsetsListener(this) { _, insets ->
-            latestWindowInsets = insets
-            updateCardGeometry()
-            applyCarouselPadding()
-            insets
-        }
-    }
-
-    override fun onAttachedToWindow() {
-        super.onAttachedToWindow()
-        ViewCompat.requestApplyInsets(this)
-    }
-
-    override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
-        super.onSizeChanged(w, h, oldw, oldh)
-        if (w != oldw || h != oldh) {
-            updateCardGeometry()
-            applyCarouselPadding()
-        }
-    }
-
-    override fun onLayout(changed: Boolean, left: Int, top: Int, right: Int, bottom: Int) {
-        super.onLayout(changed, left, top, right, bottom)
-        if (isCarouselMode) updateChildScalesAndAlpha()
-    }
-
-    override fun onWindowFocusChanged(hasFocus: Boolean) {
-        super.onWindowFocusChanged(hasFocus)
-        if (hasFocus) {
-            ViewCompat.requestApplyInsets(this)
-            post { updateCardGeometry() }
-        }
     }
 
     override fun setAdapter(adapter: Adapter<*>?) {
@@ -140,8 +103,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
         super.setAdapter(adapter)
 
         (adapter as? GameAdapter)?.registerAdapterDataObserver(carouselAdapterObserver)
-        updateCardGeometry()
-        applyCarouselPadding()
     }
 
     private fun calculateCenter(width: Int, paddingStart: Int, paddingEnd: Int): Int {
@@ -292,71 +253,40 @@ class CarouselRecyclerView @JvmOverloads constructor(
         }
     }
 
-    private fun resolveBottomInset(windowInsets: WindowInsetsCompat): Int {
+    fun notifyInsetsReady(newBottomInset: Int) {
-        val navigationBottom = if (FullscreenHelper.isFullscreenEnabled(context)) {
+        if (bottomInset != newBottomInset) {
-            0
+            bottomInset = newBottomInset
+        }
+
+        if (isCarouselMode) {
+            setupCarousel(true)
         } else {
-            windowInsets.getInsetsIgnoringVisibility(WindowInsetsCompat.Type.navigationBars()).bottom
+            setupCarousel(false)
         }
-        val gestureInsets = windowInsets.getInsetsIgnoringVisibility(
-            WindowInsetsCompat.Type.systemGestures()
-        )
-        val cutoutInsets = windowInsets.getInsetsIgnoringVisibility(
-            WindowInsetsCompat.Type.displayCutout()
-        )
-        return maxOf(navigationBottom, gestureInsets.bottom, cutoutInsets.bottom)
     }
 
-    private fun updateCardGeometry() {
+    fun notifyLaidOut(fallBackBottomInset: Int) {
-        if (!isCarouselMode || height <= 0) return
+        if (bottomInset < 0) bottomInset = fallBackBottomInset
+        var gameAdapter = adapter as? GameAdapter ?: return
+        var newCardSize = cardSize(bottomInset)
+        if (gameAdapter.cardSize != newCardSize) {
+            gameAdapter.setCardSize(newCardSize)
+        }
 
-        val gameAdapter = adapter as? GameAdapter ?: return
+        if (isCarouselMode) {
-        val windowInsets = latestWindowInsets ?: ViewCompat.getRootWindowInsets(this) ?: return
+            setupCarousel(true)
+        }
+    }
 
-        if (cardGeometryInitialized && !hasWindowFocus()) return
+    fun cardSize(bottomInset: Int): Int {
-
-        val newBottomInset = resolveBottomInset(windowInsets).coerceIn(0, height)
         val internalFactor = resources.getFraction(R.fraction.carousel_card_size_factor, 1, 1)
         val userFactor = preferences.getFloat(CAROUSEL_CARD_SIZE_FACTOR, internalFactor).coerceIn(
             0f,
             1f
         )
-        val screenWidth = resources.displayMetrics.widthPixels.toFloat()
+        val scaledHeight = height * userFactor
-        val screenHeight = resources.displayMetrics.heightPixels.toFloat()
+        val availableHeight = height - bottomInset
-        val aspectFactor = ((screenWidth / screenHeight) / (20f / 9f))
+        return minOf(scaledHeight.toInt(), availableHeight.toInt())
-            .pow(0.75f)
-            .coerceIn(0.5f, 1f)
-        val newCardSize = minOf(
-            (height * userFactor).toInt(),
-            height - newBottomInset,
-            (height * aspectFactor).toInt()
-        )
-        if (newCardSize <= 0) return
-        val insetChanged = bottomInset != newBottomInset
-        val cardSizeChanged = gameAdapter.cardSize != newCardSize
-
-        bottomInset = newBottomInset
-        cardGeometryInitialized = true
-
-        if (cardSizeChanged) gameAdapter.setCardSize(newCardSize)
-        if (insetChanged || cardSizeChanged) setupCarousel(true)
-    }
-
-    private fun applyCarouselPadding() {
-        if (!isCarouselMode) return
-
-        val gameAdapter = adapter as? GameAdapter ?: return
-        val cardSize = gameAdapter.cardSize
-        if (cardSize <= 0 || bottomInset < 0) return
-
-        val topPadding = ((height - bottomInset - cardSize) / 2).coerceAtLeast(0)
-        val sidePadding = (width - cardSize) / 2
-        if (paddingLeft != sidePadding || paddingTop != topPadding ||
-            paddingRight != sidePadding || paddingBottom != 0
-        ) {
-            setPadding(sidePadding, topPadding, sidePadding, 0)
-        }
-        clipToPadding = false
     }
 
     fun setupCarousel(enabled: Boolean) {
@@ -385,6 +315,9 @@ class CarouselRecyclerView @JvmOverloads constructor(
                 internalFlingMultiplier
             ).coerceIn(1f, 5f)
 
+            // Detach SnapHelper during setup
+            pagerSnapHelper?.attachToRecyclerView(null)
+
             // Add overlap decoration if not present
             if (overlapDecoration == null) {
                 overlapDecoration = OverlappingDecoration(overlapPx)
@@ -402,7 +335,12 @@ class CarouselRecyclerView @JvmOverloads constructor(
                 addOnScrollListener(scalingScrollListener!!)
             }
 
-            applyCarouselPadding()
+            if (cardSize > 0) {
+                val topPadding = ((height - bottomInset - cardSize) / 2).coerceAtLeast(0) // Center vertically
+                val sidePadding = (width - cardSize) / 2 // Center first/last card
+                setPadding(sidePadding, topPadding, sidePadding, 0)
+                clipToPadding = false
+            }
 
             if (pagerSnapHelper == null) {
                 pagerSnapHelper = CenterPagerSnapHelper()
@@ -424,7 +362,6 @@ class CarouselRecyclerView @JvmOverloads constructor(
                 }
                 savedItemAnimator = null
             }
-            cardGeometryInitialized = false
             useCustomDrawingOrder = false
             // Reset padding and fling
             setPadding(0, 0, 0, 0)

src/android/app/src/main/jni/native.cpp

@@ -788,7 +788,7 @@ int Java_org_yuzu_yuzu_1emu_NativeLibrary_installFileToNand(JNIEnv* env, jobject
 jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_doesUpdateMatchProgram(JNIEnv* env, jobject jobj,
                                                                       jstring jprogramId,
                                                                       jstring jupdatePath) {
-    u64 program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const u64 program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     std::string updatePath = Common::Android::GetJString(env, jupdatePath);
     std::shared_ptr<FileSys::NSP> nsp = std::make_shared<FileSys::NSP>(
         EmulationSession::GetInstance().System().GetFilesystem()->OpenFile(
@@ -796,7 +796,7 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_doesUpdateMatchProgram(JNIEnv* en
     for (const auto& item : nsp->GetNCAs()) {
         for (const auto& nca_details : item.second) {
             if (nca_details.second->GetName().ends_with(".cnmt.nca")) {
-                auto update_id = nca_details.second->GetTitleId() & ~0xFFFULL;
+                const auto update_id = FileSys::GetBaseTitleID(nca_details.second->GetTitleId());
                 if (update_id == program_id) {
                     return true;
                 }
@@ -1491,7 +1491,7 @@ jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_firmwareVersion(JNIEnv* env, jclas
 }
 
 jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_gameRequiresFirmware(JNIEnv* env, jclass clazz, jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
 
     return FirmwareManager::GameRequiresFirmware(program_id);
 }
@@ -1575,20 +1575,21 @@ jobjectArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getPatchesForFile(JNIEnv* env
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_removeUpdate(JNIEnv* env, jobject jobj,
                                                         jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = EmulationSession::GetProgramId(env, jprogramId);
     ContentManager::RemoveUpdate(EmulationSession::GetInstance().System().GetFileSystemController(),
                                  program_id);
 }
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_removeDLC(JNIEnv* env, jobject jobj,
                                                      jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(
+        EmulationSession::GetProgramId(env, jprogramId));
     ContentManager::RemoveAllDLC(EmulationSession::GetInstance().System(), program_id);
 }
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_removeMod(JNIEnv* env, jobject jobj, jstring jprogramId,
                                                      jstring jname) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = EmulationSession::GetProgramId(env, jprogramId);
     ContentManager::RemoveMod(EmulationSession::GetInstance().System().GetFileSystemController(),
                               program_id, Common::Android::GetJString(env, jname));
 }
@@ -1635,7 +1636,7 @@ jint Java_org_yuzu_yuzu_1emu_NativeLibrary_verifyGameContents(JNIEnv* env, jobje
 
 jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getSavePath(JNIEnv* env, jobject jobj,
                                                           jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     if (program_id == 0) {
         return Common::Android::ToJString(env, "");
     }

src/android/app/src/main/jni/native_config.cpp

@@ -12,6 +12,7 @@
 #include "common/fs/path_util.h"
 #include "common/logging.h"
 #include "common/settings.h"
+#include "core/file_sys/common_funcs.h"
 #include "frontend_common/config.h"
 #include "frontend_common/settings_generator.h"
 #include "native.h"
@@ -56,7 +57,7 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_saveGlobalConfig(JNIEnv* env, jo
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_initializePerGameConfig(JNIEnv* env, jobject obj,
                                                                         jstring jprogramId,
                                                                         jstring jfileName) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     auto file_name = Common::Android::GetJString(env, jfileName);
     const auto config_file_name = program_id == 0 ? file_name : fmt::format("{:016X}", program_id);
     per_game_config =
@@ -322,7 +323,7 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_addGameDir(JNIEnv* env, jobject
 
 jobjectArray Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getDisabledAddons(JNIEnv* env, jobject obj,
                                                                           jstring jprogramId) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     auto& disabledAddons = Settings::values.disabled_addons[program_id];
     jobjectArray jdisabledAddonsArray =
         env->NewObjectArray(disabledAddons.size(), Common::Android::GetStringClass(),
@@ -337,7 +338,7 @@ jobjectArray Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getDisabledAddons(JNIEnv
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_setDisabledAddons(JNIEnv* env, jobject obj,
                                                                   jstring jprogramId,
                                                                   jobjectArray jdisabledAddons) {
-    auto program_id = EmulationSession::GetProgramId(env, jprogramId);
+    const auto program_id = FileSys::GetBaseTitleID(EmulationSession::GetProgramId(env, jprogramId));
     Settings::values.disabled_addons[program_id].clear();
     std::vector<std::string> disabled_addons;
     const int size = env->GetArrayLength(jdisabledAddons);

src/audio_core/audio_core.cpp

@@ -12,7 +12,7 @@
 namespace AudioCore {
 
 AudioCore::AudioCore(Core::System& system) {
-    audio_manager.emplace(system);
+    audio_manager.emplace();
     CreateSinks();
     // Must be created after the sinks
     adsp.emplace(system, *output_sink);

src/audio_core/audio_in_manager.cpp

@@ -15,12 +15,12 @@
 
 namespace AudioCore::AudioIn {
 
-Manager::Manager(Core::System& system) {
+Manager::Manager(Core::System& system_) : system{system_} {
     std::iota(session_ids.begin(), session_ids.end(), 0);
     num_free_sessions = MaxInSessions;
 }
 
-Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
+Result Manager::AcquireSessionId(size_t& session_id) {
     if (num_free_sessions == 0) {
         LOG_ERROR(Service_Audio, "All 4 AudioIn sessions are in use, cannot create any more");
         return Service::Audio::ResultOutOfSessions;
@@ -31,7 +31,7 @@ Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
     return ResultSuccess;
 }
 
-void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
+void Manager::ReleaseSessionId(const size_t session_id) {
     std::scoped_lock l{mutex};
     LOG_DEBUG(Service_Audio, "Freeing AudioIn session {}", session_id);
     session_ids[free_session_id] = session_id;
@@ -41,20 +41,21 @@ void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
     applet_resource_user_ids[session_id] = 0;
 }
 
-Result Manager::LinkToManager(Core::System& system) {
+Result Manager::LinkToManager() {
     std::scoped_lock l{mutex};
     if (!linked_to_manager) {
-        system.AudioCore().GetAudioManager().SetInManager(&Manager::BufferReleaseAndRegister);
+        system.AudioCore().GetAudioManager().SetInManager(std::bind(&Manager::BufferReleaseAndRegister, this));
         linked_to_manager = true;
     }
 
     return ResultSuccess;
 }
 
-void Manager::Start(Core::System& system) {
+void Manager::Start() {
     if (sessions_started) {
         return;
     }
+
     std::scoped_lock l{mutex};
     for (auto& session : sessions) {
         if (session) {
@@ -65,19 +66,21 @@ void Manager::Start(Core::System& system) {
     sessions_started = true;
 }
 
-void Manager::BufferReleaseAndRegister(void *data, Core::System& system) noexcept {
+void Manager::BufferReleaseAndRegister() {
-    Manager* this_ = (Manager*)data;
+    std::scoped_lock l{mutex};
-    std::scoped_lock l{this_->mutex};
+    for (auto& session : sessions) {
-    for (auto& session : this_->sessions) {
         if (session != nullptr) {
             session->ReleaseAndRegisterBuffers();
         }
     }
 }
 
-u32 Manager::GetDeviceNames(Core::System& system, std::span<Renderer::AudioDevice::AudioDeviceName> names, [[maybe_unused]] const bool filter) {
+u32 Manager::GetDeviceNames(std::span<Renderer::AudioDevice::AudioDeviceName> names,
+                            [[maybe_unused]] const bool filter) {
     std::scoped_lock l{mutex};
-    LinkToManager(system);
+
+    LinkToManager();
+
     auto input_devices{Sink::GetDeviceListForSink(Settings::values.sink_id.GetValue(), true)};
     if (!input_devices.empty() && !names.empty()) {
         names[0] = Renderer::AudioDevice::AudioDeviceName("Uac");

src/audio_core/audio_in_manager.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -33,29 +30,31 @@ public:
      * @param session_id - Output session_id.
      * @return Result code.
      */
-    Result AcquireSessionId(Core::System& system, size_t& session_id);
+    Result AcquireSessionId(size_t& session_id);
 
     /**
      * Release a session id on close.
      *
      * @param session_id - Session id to free.
      */
-    void ReleaseSessionId(Core::System& system, const size_t session_id);
+    void ReleaseSessionId(size_t session_id);
 
     /**
      * Link the audio in manager to the main audio manager.
      *
      * @return Result code.
      */
-    Result LinkToManager(Core::System& system);
+    Result LinkToManager();
 
     /**
      * Start the audio in manager.
      */
-    void Start(Core::System& system);
+    void Start();
 
-    /// @brief Callback function, called by the audio manager when the audio in event is signalled.
+    /**
-    static void BufferReleaseAndRegister(void *data, Core::System& system) noexcept;
+     * Callback function, called by the audio manager when the audio in event is signalled.
+     */
+    void BufferReleaseAndRegister();
 
     /**
      * Get a list of audio in device names.
@@ -65,8 +64,10 @@ public:
      *
      * @return Number of names written.
      */
-    u32 GetDeviceNames(Core::System& system, std::span<Renderer::AudioDevice::AudioDeviceName> names, bool filter);
+    u32 GetDeviceNames(std::span<Renderer::AudioDevice::AudioDeviceName> names, bool filter);
 
+    /// Core system
+    Core::System& system;
     /// Array of session ids
     std::array<size_t, MaxInSessions> session_ids{};
     /// Array of resource user ids

src/audio_core/audio_manager.cpp

@@ -11,8 +11,8 @@
 
 namespace AudioCore {
 
-AudioManager::AudioManager(Core::System& system) {
+AudioManager::AudioManager() {
-    thread = std::jthread([&](std::stop_token stop_token) {
+    thread = std::jthread([this](std::stop_token stop_token) {
         Common::SetCurrentThreadName("AudioManager");
         std::unique_lock l{events.GetAudioEventLock()};
         events.ClearEvents();
@@ -25,7 +25,7 @@ AudioManager::AudioManager(Core::System& system) {
                 const auto event_type = Event::Type(i);
                 if (events.CheckAudioEventSet(event_type) || timed_out) {
                     if (buffer_events[i]) {
-                        buffer_events[i](this, system);
+                        buffer_events[i]();
                     }
                 }
                 events.SetAudioEvent(event_type, false);

src/audio_core/audio_manager.h

@@ -16,10 +16,6 @@
 
 #include "audio_core/audio_event.h"
 
-namespace Core {
-class System;
-}
-
 union Result;
 
 namespace AudioCore {
@@ -38,9 +34,10 @@ namespace AudioCore {
  * This is only used by audio in and audio out.
  */
 class AudioManager {
-    using BufferEventFunc = void (*)(void *data, Core::System& system) noexcept;
+    using BufferEventFunc = std::function<void()>;
+
 public:
-    explicit AudioManager(Core::System& system);
+    explicit AudioManager();
 
     /**
      * Shutdown the audio manager.

src/audio_core/audio_out_manager.cpp

@@ -14,12 +14,12 @@
 
 namespace AudioCore::AudioOut {
 
-Manager::Manager(Core::System& system) {
+Manager::Manager(Core::System& system_) : system{system_} {
     std::iota(session_ids.begin(), session_ids.end(), 0);
     num_free_sessions = MaxOutSessions;
 }
 
-Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
+Result Manager::AcquireSessionId(size_t& session_id) {
     if (num_free_sessions == 0) {
         LOG_ERROR(Service_Audio, "All 12 Audio Out sessions are in use, cannot create any more");
         return Service::Audio::ResultOutOfSessions;
@@ -30,7 +30,7 @@ Result Manager::AcquireSessionId(Core::System& system, size_t& session_id) {
     return ResultSuccess;
 }
 
-void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
+void Manager::ReleaseSessionId(const size_t session_id) {
     std::scoped_lock l{mutex};
     LOG_DEBUG(Service_Audio, "Freeing AudioOut session {}", session_id);
     session_ids[free_session_id] = session_id;
@@ -40,17 +40,17 @@ void Manager::ReleaseSessionId(Core::System& system, const size_t session_id) {
     applet_resource_user_ids[session_id] = 0;
 }
 
-Result Manager::LinkToManager(Core::System& system) {
+Result Manager::LinkToManager() {
     std::scoped_lock l{mutex};
     if (!linked_to_manager) {
-        system.AudioCore().GetAudioManager().SetOutManager(&Manager::BufferReleaseAndRegister);
+        system.AudioCore().GetAudioManager().SetOutManager(std::bind(&Manager::BufferReleaseAndRegister, this));
         linked_to_manager = true;
     }
 
     return ResultSuccess;
 }
 
-void Manager::Start(Core::System& system) {
+void Manager::Start() {
     if (sessions_started) {
         return;
     }
@@ -65,14 +65,19 @@ void Manager::Start(Core::System& system) {
     sessions_started = true;
 }
 
-void Manager::BufferReleaseAndRegister(void *data, Core::System& system) noexcept {
+void Manager::BufferReleaseAndRegister() {
-    Manager* this_ = (Manager*)data;
+    std::scoped_lock l{mutex};
-    std::scoped_lock l{this_->mutex};
+    for (auto& session : sessions) {
-    for (auto& session : this_->sessions) {
         if (session != nullptr) {
             session->ReleaseAndRegisterBuffers();
         }
     }
 }
 
+u32 Manager::GetAudioOutDeviceNames(
+    std::vector<Renderer::AudioDevice::AudioDeviceName>& names) const {
+    names.emplace_back("DeviceOut");
+    return 1;
+}
+
 } // namespace AudioCore::AudioOut

src/audio_core/audio_out_manager.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -32,32 +29,42 @@ public:
      * @param session_id - Output session_id.
      * @return Result code.
      */
-    Result AcquireSessionId(Core::System& system, size_t& session_id);
+    Result AcquireSessionId(size_t& session_id);
 
     /**
      * Release a session id on close.
      *
      * @param session_id - Session id to free.
      */
-    void ReleaseSessionId(Core::System& system, const size_t session_id);
+    void ReleaseSessionId(size_t session_id);
 
     /**
      * Link this manager to the main audio manager.
      *
      * @return Result code.
      */
-    Result LinkToManager(Core::System& system);
+    Result LinkToManager();
 
     /**
      * Start the audio out manager.
      */
-    void Start(Core::System& system);
+    void Start();
 
     /**
      * Callback function, called by the audio manager when the audio out event is signalled.
      */
-    static void BufferReleaseAndRegister(void* data, Core::System& system) noexcept;
+    void BufferReleaseAndRegister();
 
+    /**
+     * Get a list of audio out device names.
+     *
+     * @param names     - Output container to write names to.
+     * @return Number of names written.
+     */
+    u32 GetAudioOutDeviceNames(std::vector<Renderer::AudioDevice::AudioDeviceName>& names) const;
+
+    /// Core system
+    Core::System& system;
     /// Array of session ids
     std::array<size_t, MaxOutSessions> session_ids{};
     /// Array of resource user ids

src/audio_core/audio_render_manager.cpp

@@ -1,20 +1,15 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "audio_core/audio_render_manager.h"
 #include "audio_core/common/audio_renderer_parameter.h"
-#include "audio_core/renderer/system_manager.h"
 #include "audio_core/common/feature_support.h"
 #include "core/core.h"
 
 namespace AudioCore::Renderer {
 
 Manager::Manager(Core::System& system_)
-    : system_manager{std::make_unique<SystemManager>(system_)}
+    : system{system_}, system_manager{std::make_unique<SystemManager>(system)} {
-{
     std::iota(session_ids.begin(), session_ids.end(), 0);
 }
 
@@ -64,11 +59,11 @@ u32 Manager::GetSessionCount() const {
     return session_count;
 }
 
-bool Manager::AddSystem(Renderer::System& system_) {
+bool Manager::AddSystem(System& system_) {
     return system_manager->Add(system_);
 }
 
-bool Manager::RemoveSystem(Renderer::System& system_) {
+bool Manager::RemoveSystem(System& system_) {
     return system_manager->Remove(system_);
 }
 

src/audio_core/audio_render_manager.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -74,7 +71,7 @@ public:
      * @param system - The system to add.
      * @return True if the system was successfully added, otherwise false.
      */
-    bool AddSystem(Renderer::System& system);
+    bool AddSystem(System& system);
 
     /**
      * Remove a renderer system from the manager.
@@ -82,7 +79,7 @@ public:
      * @param system - The system to remove.
      * @return True if the system was successfully removed, otherwise false.
      */
-    bool RemoveSystem(Renderer::System& system);
+    bool RemoveSystem(System& system);
 
     /**
      * Free a session id when the system wants to shut down.
@@ -92,6 +89,8 @@ public:
     void ReleaseSessionId(s32 session_id);
 
 private:
+    /// Core system
+    Core::System& system;
     /// Session ids, -1 when in use
     std::array<s32, MaxRendererSessions> session_ids{};
     /// Number of active renderers

src/audio_core/common/workbuffer_allocator.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -19,9 +16,8 @@ namespace AudioCore {
  */
 class WorkbufferAllocator {
 public:
-    explicit WorkbufferAllocator(std::span<u8> buffer_)
+    explicit WorkbufferAllocator(std::span<u8> buffer_, u64 size_)
-        : buffer{buffer_}
+        : buffer{reinterpret_cast<u64>(buffer_.data())}, size{size_} {}
-    {}
 
     /**
      * Allocate the given count of T elements, aligned to alignment.
@@ -33,31 +29,36 @@ public:
     template <typename T>
     std::span<T> Allocate(u64 count, u64 alignment) {
         u64 out{0};
-        u64 byte_size = count * sizeof(T);
+        u64 byte_size{count * sizeof(T)};
+
         if (byte_size > 0) {
-            auto current{uintptr_t(buffer.data()) + offset};
+            auto current{buffer + offset};
             auto aligned_buffer{Common::AlignUp(current, alignment)};
-            if (aligned_buffer + byte_size <= uintptr_t(buffer.data()) + buffer.size()) {
+            if (aligned_buffer + byte_size <= buffer + size) {
                 out = aligned_buffer;
-                offset = byte_size - uintptr_t(buffer.data()) + aligned_buffer;
+                offset = byte_size - buffer + aligned_buffer;
             } else {
                 LOG_ERROR(
                     Service_Audio,
                     "Allocated buffer was too small to hold new alloc.\nAllocator size={:08X}, "
                     "offset={:08X}.\nAttempting to allocate {:08X} with alignment={:02X}",
-                    buffer.size(), offset, byte_size, alignment);
+                    size, offset, byte_size, alignment);
                 count = 0;
             }
         }
+
         return std::span<T>(reinterpret_cast<T*>(out), count);
     }
 
-    /// @brief Align the current offset to the given alignment.
+    /**
-    /// @param alignment - The required starting alignment.
+     * Align the current offset to the given alignment.
+     *
+     * @param alignment - The required starting alignment.
+     */
     void Align(u64 alignment) {
-        auto current{uintptr_t(buffer.data()) + offset};
+        auto current{buffer + offset};
         auto aligned_buffer{Common::AlignUp(current, alignment)};
-        offset = 0 - uintptr_t(buffer.data()) + aligned_buffer;
+        offset = 0 - buffer + aligned_buffer;
     }
 
     /**
@@ -75,7 +76,7 @@ public:
      * @return The size of the current buffer.
      */
     u64 GetSize() const {
-        return buffer.size();
+        return size;
     }
 
     /**
@@ -84,11 +85,14 @@ public:
      * @return The remaining size left in the buffer.
      */
     u64 GetRemainingSize() const {
-        return buffer.size() - offset;
+        return size - offset;
     }
 
 private:
-    const std::span<u8> buffer;
+    /// The buffer into which we are allocating.
+    u64 buffer;
+    /// Size of the buffer we're allocating to.
+    u64 size;
     /// Current offset into the buffer, an error will be thrown if it exceeds size.
     u64 offset{};
 };

src/audio_core/in/audio_in.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -11,43 +8,42 @@
 namespace AudioCore::AudioIn {
 
 In::In(Core::System& system_, Manager& manager_, Kernel::KEvent* event_, size_t session_id_)
-    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}
+    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}, system{system_, event,
-    , audio_system{system_, event, session_id_}
+                                                                            session_id_} {}
-{}
 
-void In::Free(Core::System& system) {
+void In::Free() {
     std::scoped_lock l{parent_mutex};
-    manager.ReleaseSessionId(system, audio_system.GetSessionId());
+    manager.ReleaseSessionId(system.GetSessionId());
 }
 
 System& In::GetSystem() {
-    return audio_system;
+    return system;
 }
 
 AudioIn::State In::GetState() {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetState();
+    return system.GetState();
 }
 
 Result In::StartSystem() {
     std::scoped_lock l{parent_mutex};
-    return audio_system.Start();
+    return system.Start();
 }
 
 void In::StartSession() {
     std::scoped_lock l{parent_mutex};
-    audio_system.StartSession();
+    system.StartSession();
 }
 
 Result In::StopSystem() {
     std::scoped_lock l{parent_mutex};
-    return audio_system.Stop();
+    return system.Stop();
 }
 
 Result In::AppendBuffer(const AudioInBuffer& buffer, u64 tag) {
     std::scoped_lock l{parent_mutex};
 
-    if (audio_system.AppendBuffer(buffer, tag)) {
+    if (system.AppendBuffer(buffer, tag)) {
         return ResultSuccess;
     }
     return Service::Audio::ResultBufferCountReached;
@@ -55,20 +51,20 @@ Result In::AppendBuffer(const AudioInBuffer& buffer, u64 tag) {
 
 void In::ReleaseAndRegisterBuffers() {
     std::scoped_lock l{parent_mutex};
-    if (audio_system.GetState() == State::Started) {
+    if (system.GetState() == State::Started) {
-        audio_system.ReleaseBuffers();
+        system.ReleaseBuffers();
-        audio_system.RegisterBuffers();
+        system.RegisterBuffers();
     }
 }
 
 bool In::FlushAudioInBuffers() {
     std::scoped_lock l{parent_mutex};
-    return audio_system.FlushAudioInBuffers();
+    return system.FlushAudioInBuffers();
 }
 
 u32 In::GetReleasedBuffers(std::span<u64> tags) {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetReleasedBuffers(tags);
+    return system.GetReleasedBuffers(tags);
 }
 
 Kernel::KReadableEvent& In::GetBufferEvent() {
@@ -78,27 +74,27 @@ Kernel::KReadableEvent& In::GetBufferEvent() {
 
 f32 In::GetVolume() const {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetVolume();
+    return system.GetVolume();
 }
 
 void In::SetVolume(f32 volume) {
     std::scoped_lock l{parent_mutex};
-    audio_system.SetVolume(volume);
+    system.SetVolume(volume);
 }
 
 bool In::ContainsAudioBuffer(u64 tag) const {
     std::scoped_lock l{parent_mutex};
-    return audio_system.ContainsAudioBuffer(tag);
+    return system.ContainsAudioBuffer(tag);
 }
 
 u32 In::GetBufferCount() const {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetBufferCount();
+    return system.GetBufferCount();
 }
 
 u64 In::GetPlayedSampleCount() const {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetPlayedSampleCount();
+    return system.GetPlayedSampleCount();
 }
 
 } // namespace AudioCore::AudioIn

src/audio_core/in/audio_in.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -33,7 +30,7 @@ public:
     /**
      * Free this audio in from the audio in manager.
      */
-    void Free(Core::System& system);
+    void Free();
 
     /**
      * Get this audio in's system.
@@ -144,7 +141,7 @@ private:
     /// Buffer event, signalled when buffers are ready to be released
     Kernel::KEvent* event;
     /// Main audio in system
-    System audio_system;
+    System system;
 };
 
 } // namespace AudioCore::AudioIn

src/audio_core/out/audio_out.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -11,43 +8,42 @@
 namespace AudioCore::AudioOut {
 
 Out::Out(Core::System& system_, Manager& manager_, Kernel::KEvent* event_, size_t session_id_)
-    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}
+    : manager{manager_}, parent_mutex{manager.mutex}, event{event_}, system{system_, event,
-    , audio_system{system_, event, session_id_}
+                                                                            session_id_} {}
-{}
 
-void Out::Free(Core::System& system) {
+void Out::Free() {
     std::scoped_lock l{parent_mutex};
-    manager.ReleaseSessionId(system, audio_system.GetSessionId());
+    manager.ReleaseSessionId(system.GetSessionId());
 }
 
 System& Out::GetSystem() {
-    return audio_system;
+    return system;
 }
 
 AudioOut::State Out::GetState() {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetState();
+    return system.GetState();
 }
 
 Result Out::StartSystem() {
     std::scoped_lock l{parent_mutex};
-    return audio_system.Start();
+    return system.Start();
 }
 
 void Out::StartSession() {
     std::scoped_lock l{parent_mutex};
-    audio_system.StartSession();
+    system.StartSession();
 }
 
 Result Out::StopSystem() {
     std::scoped_lock l{parent_mutex};
-    return audio_system.Stop();
+    return system.Stop();
 }
 
 Result Out::AppendBuffer(const AudioOutBuffer& buffer, const u64 tag) {
     std::scoped_lock l{parent_mutex};
 
-    if (audio_system.AppendBuffer(buffer, tag)) {
+    if (system.AppendBuffer(buffer, tag)) {
         return ResultSuccess;
     }
     return Service::Audio::ResultBufferCountReached;
@@ -55,20 +51,20 @@ Result Out::AppendBuffer(const AudioOutBuffer& buffer, const u64 tag) {
 
 void Out::ReleaseAndRegisterBuffers() {
     std::scoped_lock l{parent_mutex};
-    if (audio_system.GetState() == State::Started) {
+    if (system.GetState() == State::Started) {
-        audio_system.ReleaseBuffers();
+        system.ReleaseBuffers();
-        audio_system.RegisterBuffers();
+        system.RegisterBuffers();
     }
 }
 
 bool Out::FlushAudioOutBuffers() {
     std::scoped_lock l{parent_mutex};
-    return audio_system.FlushAudioOutBuffers();
+    return system.FlushAudioOutBuffers();
 }
 
 u32 Out::GetReleasedBuffers(std::span<u64> tags) {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetReleasedBuffers(tags);
+    return system.GetReleasedBuffers(tags);
 }
 
 Kernel::KReadableEvent& Out::GetBufferEvent() {
@@ -78,27 +74,27 @@ Kernel::KReadableEvent& Out::GetBufferEvent() {
 
 f32 Out::GetVolume() const {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetVolume();
+    return system.GetVolume();
 }
 
 void Out::SetVolume(const f32 volume) {
     std::scoped_lock l{parent_mutex};
-    audio_system.SetVolume(volume);
+    system.SetVolume(volume);
 }
 
 bool Out::ContainsAudioBuffer(const u64 tag) const {
     std::scoped_lock l{parent_mutex};
-    return audio_system.ContainsAudioBuffer(tag);
+    return system.ContainsAudioBuffer(tag);
 }
 
 u32 Out::GetBufferCount() const {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetBufferCount();
+    return system.GetBufferCount();
 }
 
 u64 Out::GetPlayedSampleCount() const {
     std::scoped_lock l{parent_mutex};
-    return audio_system.GetPlayedSampleCount();
+    return system.GetPlayedSampleCount();
 }
 
 } // namespace AudioCore::AudioOut

src/audio_core/out/audio_out.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -33,7 +30,7 @@ public:
     /**
      * Free this audio out from the audio out manager.
      */
-    void Free(Core::System& system);
+    void Free();
 
     /**
      * Get this audio out's system.
@@ -144,7 +141,7 @@ private:
     /// Buffer event, signalled when buffers are ready to be released
     Kernel::KEvent* event;
     /// Main audio out system
-    System audio_system;
+    System system;
 };
 
 } // namespace AudioCore::AudioOut

src/audio_core/renderer/audio_renderer.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -16,48 +13,56 @@
 namespace AudioCore::Renderer {
 
 Renderer::Renderer(Core::System& system_, Manager& manager_, Kernel::KEvent* rendered_event)
-    : system{system_}, manager{manager_}
+    : core{system_}, manager{manager_}, system{system_, rendered_event} {}
-    , audio_system{system_, rendered_event}
-{}
 
-Result Renderer::Initialize(const AudioRendererParameterInternal& params, Kernel::KTransferMemory* transfer_memory, const u64 transfer_memory_size, Kernel::KProcess* process_handle, const u64 applet_resource_user_id, const s32 session_id) {
+Result Renderer::Initialize(const AudioRendererParameterInternal& params,
+                            Kernel::KTransferMemory* transfer_memory,
+                            const u64 transfer_memory_size, Kernel::KProcess* process_handle,
+                            const u64 applet_resource_user_id, const s32 session_id) {
     if (params.execution_mode == ExecutionMode::Auto) {
-        if (!manager.AddSystem(audio_system)) {
+        if (!manager.AddSystem(system)) {
-            LOG_ERROR(Service_Audio, "Both Audio Render sessions are in use, cannot create any more");
+            LOG_ERROR(Service_Audio,
+                      "Both Audio Render sessions are in use, cannot create any more");
             return Service::Audio::ResultOutOfSessions;
         }
         system_registered = true;
     }
 
     initialized = true;
-    audio_system.Initialize(params, transfer_memory, transfer_memory_size, process_handle, applet_resource_user_id, session_id);
+    system.Initialize(params, transfer_memory, transfer_memory_size, process_handle,
+                      applet_resource_user_id, session_id);
+
     return ResultSuccess;
 }
 
 void Renderer::Finalize() {
-    auto const session_id{audio_system.GetSessionId()};
+    auto session_id{system.GetSessionId()};
-    audio_system.Finalize();
+
+    system.Finalize();
+
     if (system_registered) {
-        manager.RemoveSystem(audio_system);
+        manager.RemoveSystem(system);
         system_registered = false;
     }
+
     manager.ReleaseSessionId(session_id);
 }
 
 System& Renderer::GetSystem() {
-    return audio_system;
+    return system;
 }
 
 void Renderer::Start() {
-    audio_system.Start();
+    system.Start();
 }
 
 void Renderer::Stop() {
-    audio_system.Stop();
+    system.Stop();
 }
 
-Result Renderer::RequestUpdate(std::span<const u8> input, std::span<u8> performance, std::span<u8> output) {
+Result Renderer::RequestUpdate(std::span<const u8> input, std::span<u8> performance,
-    return audio_system.Update(input, performance, output);
+                               std::span<u8> output) {
+    return system.Update(input, performance, output);
 }
 
 } // namespace AudioCore::Renderer

src/audio_core/renderer/audio_renderer.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -87,7 +84,7 @@ public:
 
 private:
     /// System core
-    Core::System& system;
+    Core::System& core;
     /// Manager this renderer is registered with
     Manager& manager;
     /// Is the audio renderer initialized?
@@ -95,7 +92,7 @@ private:
     /// Is the system registered with the manager?
     bool system_registered{};
     /// Audio render system, main driver of audio rendering
-    System audio_system;
+    System system;
 };
 
 } // namespace Renderer

src/audio_core/renderer/system.cpp

@@ -145,7 +145,7 @@ Result System::Initialize(const AudioRendererParameterInternal& params,
     PoolMapper pool_mapper(process_handle, false);
     pool_mapper.InitializeSystemPool(memory_pool_info, workbuffer.get(), workbuffer_size);
 
-    WorkbufferAllocator allocator({workbuffer.get(), workbuffer_size});
+    WorkbufferAllocator allocator({workbuffer.get(), workbuffer_size}, workbuffer_size);
 
     samples_workbuffer =
         allocator.Allocate<s32>((voice_channels + mix_buffer_count) * sample_count, 0x10);

src/common/net/net.h

@@ -11,14 +11,14 @@
 
 namespace Common::Net {
 
-struct Asset {
+typedef struct {
     std::string name;
     std::string url;
     std::string path;
     std::string filename;
-};
+} Asset;
 
-struct Release {
+typedef struct Release {
     std::string title;
     std::string body;
     std::string tag;
@@ -39,7 +39,7 @@ struct Release {
     static std::optional<Release> FromJson(const std::string_view& json, const std::string &host, const std::string& repo);
     static std::vector<Release> ListFromJson(const nlohmann::json &json, const std::string &host, const std::string &repo);
     static std::vector<Release> ListFromJson(const std::string_view &json, const std::string &host, const std::string &repo);
-};
+} Release;
 
 // Make a request via httplib, and return the response body if applicable.
 std::optional<std::string> MakeRequest(const std::string &url, const std::string &path);

src/core/core.cpp

@@ -17,6 +17,7 @@
 #include "common/string_util.h"
 #include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 
 #include "launch_timestamp_cache.h"
 #include "core/core_timing.h"
@@ -396,7 +397,7 @@ struct System::Impl {
             LOG_ERROR(Core, "Failed to find program id for ROM");
         }
 
-        GameSettings::LoadOverrides(program_id, gpu_core->Renderer());
+        GameSettings::LoadOverrides(FileSys::GetBaseTitleID(program_id), gpu_core->Renderer());
         if (auto room_member = Network::GetRoomMember().lock()) {
             Network::GameInfo game_info;
             game_info.name = name;

src/core/file_sys/patch_manager.cpp

@@ -161,7 +161,7 @@ std::string GetUpdateVersionStringFromSlot(const ContentProvider* provider, u64
 PatchManager::PatchManager(u64 title_id_,
                            const Service::FileSystem::FileSystemController& fs_controller_,
                            const ContentProvider& content_provider_)
-    : title_id{title_id_}, fs_controller{fs_controller_}, content_provider{content_provider_} {}
+    : title_id{title_id_}, application_id{GetBaseTitleID(title_id_)}, fs_controller{fs_controller_}, content_provider{content_provider_} {}
 
 PatchManager::~PatchManager() = default;
 
@@ -169,13 +169,41 @@ u64 PatchManager::GetTitleID() const {
     return title_id;
 }
 
+u64 PatchManager::GetUpdateTitleIDForContent() const {
+    const auto program_update_id = GetUpdateTitleID(title_id);
+    if (program_update_id == GetUpdateTitleID(application_id) || content_provider.HasEntry(program_update_id, ContentRecordType::Program)) {
+        return program_update_id;
+    }
+    return GetUpdateTitleID(application_id);
+}
+
+std::vector<VirtualDir> PatchManager::GetModificationLoadRoots() const {
+    std::vector<VirtualDir> roots;
+    roots.push_back(fs_controller.GetModificationLoadRoot(title_id));
+    if (application_id != title_id) {
+        roots.push_back(fs_controller.GetModificationLoadRoot(application_id));
+    }
+    std::erase(roots, nullptr);
+    return roots;
+}
+
+std::vector<VirtualDir> PatchManager::GetSDMCModificationLoadRoots() const {
+    std::vector<VirtualDir> roots;
+    roots.push_back(fs_controller.GetSDMCModificationLoadRoot(title_id));
+    if (application_id != title_id) {
+        roots.push_back(fs_controller.GetSDMCModificationLoadRoot(application_id));
+    }
+    std::erase(roots, nullptr);
+    return roots;
+}
+
 VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     LOG_INFO(Loader, "Patching ExeFS for title_id={:016X}", title_id);
 
     if (exefs == nullptr)
         return exefs;
 
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
 
     bool update_disabled = true;
     std::optional<u32> enabled_version;
@@ -183,7 +211,7 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     bool checked_manual = false;
 
     const auto* content_union = static_cast<const ContentProviderUnion*>(&content_provider);
-    const auto update_tid = GetUpdateTitleID(title_id);
+    const auto update_tid = GetUpdateTitleIDForContent();
 
     if (content_union) {
         // First, check ExternalContentProvider
@@ -303,17 +331,21 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     }
 
     // LayeredExeFS
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dirs = GetModificationLoadRoots();
-    const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
+    const auto sdmc_load_dirs = GetSDMCModificationLoadRoots();
 
-    std::vector<VirtualDir> patch_dirs = {sdmc_load_dir};
+    std::vector<VirtualDir> patch_dirs;
-    if (load_dir != nullptr) {
+    for (const auto& sdmc_load_dir : sdmc_load_dirs) {
+        patch_dirs.push_back(sdmc_load_dir);
+    }
+    for (const auto& load_dir : load_dirs) {
         const auto load_patch_dirs = load_dir->GetSubdirectories();
         patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
     }
 
-    std::sort(patch_dirs.begin(), patch_dirs.end(),
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(), [](const VirtualDir& l, const VirtualDir& r) {
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+        return l->GetName() < r->GetName();
+    });
 
     std::vector<VirtualDir> layers;
     layers.reserve(patch_dirs.size() + 1);
@@ -347,7 +379,7 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
 
 std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualDir>& patch_dirs,
                                                       const std::string& build_id) const {
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
     const auto nso_build_id = fmt::format("{:0<64}", build_id);
 
     std::vector<VirtualFile> out;
@@ -412,15 +444,20 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st
 
     LOG_INFO(Loader, "Patching NSO for name={}, build_id={}", name, build_id);
 
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dirs = GetModificationLoadRoots();
-    if (load_dir == nullptr) {
+    if (load_dirs.empty()) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
         return nso;
     }
 
-    auto patch_dirs = load_dir->GetSubdirectories();
+    std::vector<VirtualDir> patch_dirs;
-    std::sort(patch_dirs.begin(), patch_dirs.end(),
+    for (const auto& load_dir : load_dirs) {
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+        const auto load_patch_dirs = load_dir->GetSubdirectories();
+        patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
+    }
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(), [](const VirtualDir& l, const VirtualDir& r) {
+        return l->GetName() < r->GetName();
+    });
     const auto patches = CollectPatches(patch_dirs, build_id);
 
     auto out = nso;
@@ -455,29 +492,39 @@ bool PatchManager::HasNSOPatch(const BuildID& build_id_, std::string_view name)
 
     LOG_INFO(Loader, "Querying NSO patch existence for build_id={}, name={}", build_id, name);
 
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dirs = GetModificationLoadRoots();
-    if (load_dir == nullptr) {
+    if (load_dirs.empty()) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
         return false;
     }
 
-    auto patch_dirs = load_dir->GetSubdirectories();
+    std::vector<VirtualDir> patch_dirs;
-    std::sort(patch_dirs.begin(), patch_dirs.end(),
+    for (const auto& load_dir : load_dirs) {
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+        const auto load_patch_dirs = load_dir->GetSubdirectories();
+        patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
+    }
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(), [](const VirtualDir& l, const VirtualDir& r) {
+        return l->GetName() < r->GetName();
+    });
 
     return !CollectPatches(patch_dirs, build_id).empty();
 }
 
 std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(const BuildID& build_id_) const {
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    const auto load_dirs = GetModificationLoadRoots();
-    if (load_dir == nullptr) {
+    if (load_dirs.empty()) {
         LOG_ERROR(Loader, "Cannot load mods for invalid title_id={:016X}", title_id);
         return {};
     }
 
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
-    auto patch_dirs = load_dir->GetSubdirectories();
+    std::vector<VirtualDir> patch_dirs;
-    std::sort(patch_dirs.begin(), patch_dirs.end(), [](auto const& l, auto const& r) { return l->GetName() < r->GetName(); });
+    for (const auto& load_dir : load_dirs) {
+        const auto load_patch_dirs = load_dir->GetSubdirectories();
+        patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
+    }
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(),
+                     [](auto const& l, auto const& r) { return l->GetName() < r->GetName(); });
 
     // <mod dir> / <folder> / cheats / <build id>.txt
     std::vector<Core::Memory::CheatEntry> out;
@@ -493,6 +540,7 @@ std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(const BuildI
     }
     // Uncareless user-friendly loading of patches (must start with 'cheat_')
     // <mod dir> / <cheat file>.txt
+    for (const auto& load_dir : load_dirs) {
         for (auto const& f : load_dir->GetFiles()) {
             auto const name = f->GetName();
             if (name.starts_with("cheat_") && std::find(disabled.cbegin(), disabled.cend(), name) == disabled.cend()) {
@@ -506,26 +554,38 @@ std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(const BuildI
                 }
             }
         }
+    }
     return out;
 }
 
-static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type,
+static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, u64 application_id, ContentRecordType type,
                            const Service::FileSystem::FileSystemController& fs_controller) {
-    const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
+    std::vector<VirtualDir> load_dirs{fs_controller.GetModificationLoadRoot(title_id)};
-    const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
+    std::vector<VirtualDir> sdmc_load_dirs{fs_controller.GetSDMCModificationLoadRoot(title_id)};
+    if (application_id != title_id) {
+        load_dirs.push_back(fs_controller.GetModificationLoadRoot(application_id));
+        sdmc_load_dirs.push_back(fs_controller.GetSDMCModificationLoadRoot(application_id));
+    }
+    std::erase(load_dirs, nullptr);
+    std::erase(sdmc_load_dirs, nullptr);
     if ((type != ContentRecordType::Program && type != ContentRecordType::Data &&
          type != ContentRecordType::HtmlDocument) ||
-        (load_dir == nullptr && sdmc_load_dir == nullptr)) {
+        (load_dirs.empty() && sdmc_load_dirs.empty())) {
         return;
     }
 
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
-    std::vector<VirtualDir> patch_dirs = load_dir->GetSubdirectories();
+    std::vector<VirtualDir> patch_dirs;
-    if (std::find(disabled.cbegin(), disabled.cend(), "SDMC") == disabled.cend()) {
+    for (const auto& load_dir : load_dirs) {
-        patch_dirs.push_back(sdmc_load_dir);
+        const auto load_patch_dirs = load_dir->GetSubdirectories();
+        patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
     }
-    std::sort(patch_dirs.begin(), patch_dirs.end(),
+    if (std::find(disabled.cbegin(), disabled.cend(), "SDMC") == disabled.cend()) {
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+        patch_dirs.insert(patch_dirs.end(), sdmc_load_dirs.begin(), sdmc_load_dirs.end());
+    }
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(), [](const VirtualDir& l, const VirtualDir& r) {
+        return l->GetName() < r->GetName();
+    });
 
     std::vector<VirtualDir> layers;
     std::vector<VirtualDir> layers_ext;
@@ -597,8 +657,8 @@ VirtualFile PatchManager::PatchRomFS(const NCA* base_nca, VirtualFile base_romfs
     auto romfs = base_romfs;
 
     // Game Updates
-    const auto update_tid = GetUpdateTitleID(title_id);
+    const auto update_tid = GetUpdateTitleIDForContent();
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
 
     bool update_disabled = true;
     std::optional<u32> enabled_version;
@@ -705,7 +765,7 @@ VirtualFile PatchManager::PatchRomFS(const NCA* base_nca, VirtualFile base_romfs
 
     // LayeredFS
     if (apply_layeredfs) {
-        ApplyLayeredFS(romfs, title_id, type, fs_controller);
+        ApplyLayeredFS(romfs, title_id, application_id, type, fs_controller);
     }
 
     return romfs;
@@ -717,10 +777,10 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
     }
 
     std::vector<Patch> out;
-    const auto& disabled = Settings::values.disabled_addons[title_id];
+    const auto& disabled = Settings::values.disabled_addons[application_id];
 
     // Game Updates
-    const auto update_tid = GetUpdateTitleID(title_id);
+    const auto update_tid = GetUpdateTitleIDForContent();
 
     std::vector<Patch> external_update_patches;
 
@@ -869,7 +929,7 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
                               .version = "",
                               .type = PatchType::Update,
                               .program_id = title_id,
-                              .title_id = title_id,
+                              .title_id = update_tid,
                               .source = PatchSource::Unknown,
                               .numeric_version = 0};
 
@@ -895,8 +955,7 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
     }
 
     // General Mods (LayeredFS and IPS)
-    const auto mod_dir = fs_controller.GetModificationLoadRoot(title_id);
+    for (const auto& mod_dir : GetModificationLoadRoots()) {
-    if (mod_dir != nullptr) {
         for (auto const& f : mod_dir->GetFiles())
             if (auto const name = f->GetName(); name.starts_with("cheat_")) {
                 auto const mod_disabled = std::find(disabled.begin(), disabled.end(), name) != disabled.end();
@@ -963,8 +1022,7 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
     }
 
     // SDMC mod directory (RomFS LayeredFS)
-    const auto sdmc_mod_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
+    for (const auto& sdmc_mod_dir : GetSDMCModificationLoadRoots()) {
-    if (sdmc_mod_dir != nullptr) {
         std::string types;
         if (IsDirValidAndNonEmpty(FindSubdirectoryCaseless(sdmc_mod_dir, "exefs")))
             AppendCommaIfNotEmpty(types, "LayeredExeFS");
@@ -999,10 +1057,10 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
     dlc_match.reserve(dlc_entries_with_origin.size());
     for (const auto& [slot, entry] : dlc_entries_with_origin) {
         const auto base_tid = GetBaseTitleID(entry.title_id);
-        const bool matches_base = base_tid == title_id;
+        const bool matches_base = base_tid == application_id;
         if (!matches_base) {
             LOG_DEBUG(Loader, "DLC {:016X} base {:016X} doesn't match title {:016X}",
-                      entry.title_id, base_tid, title_id);
+                      entry.title_id, base_tid, application_id);
             continue;
         }
 
@@ -1077,16 +1135,22 @@ std::vector<Patch> PatchManager::GetPatches(VirtualFile update_raw) const {
 }
 
 std::optional<u32> PatchManager::GetGameVersion() const {
-    const auto update_tid = GetUpdateTitleID(title_id);
+    const auto update_tid = GetUpdateTitleIDForContent();
     if (content_provider.HasEntry(update_tid, ContentRecordType::Program)) {
         return content_provider.GetEntryVersion(update_tid);
     }
 
-    return content_provider.GetEntryVersion(title_id);
+    if (const auto version = content_provider.GetEntryVersion(title_id); version.has_value()) {
+        return version;
+    }
+    return content_provider.GetEntryVersion(application_id);
 }
 
 PatchManager::Metadata PatchManager::GetControlMetadata() const {
-    const auto base_control_nca = content_provider.GetEntry(title_id, ContentRecordType::Control);
+    auto base_control_nca = content_provider.GetEntry(title_id, ContentRecordType::Control);
+    if (base_control_nca == nullptr && application_id != title_id) {
+        base_control_nca = content_provider.GetEntry(application_id, ContentRecordType::Control);
+    }
     if (base_control_nca == nullptr) {
         return {};
     }
@@ -1162,8 +1226,14 @@ PatchManager::Metadata PatchManager::ParseControlNCA(const NCA& nca) const {
     auto metadata = pm.GetControlMetadata();
     if (metadata.first != nullptr)
         return metadata;
-    const FileSys::PatchManager pm_update{FileSys::GetUpdateTitleID(application_id), system.GetFileSystemController(), system.GetContentProvider()};
+    const auto update_id = FileSys::GetUpdateTitleID(application_id);
-    return pm_update.GetControlMetadata();
+    const auto application_update_id = FileSys::GetUpdateTitleID(GetBaseTitleID(application_id));
+    const FileSys::PatchManager pm_update{update_id, system.GetFileSystemController(), system.GetContentProvider()};
+    metadata = pm_update.GetControlMetadata();
+    if (metadata.first != nullptr || update_id == application_update_id)
+        return metadata;
+    const FileSys::PatchManager pm_application_update{application_update_id, system.GetFileSystemController(), system.GetContentProvider()};
+    return pm_application_update.GetControlMetadata();
 }
 
 } // namespace FileSys

src/core/file_sys/patch_manager.h

@@ -10,6 +10,7 @@
 #include <memory>
 #include <optional>
 #include <string>
+#include <vector>
 #include "common/common_types.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/vfs/vfs_types.h"
@@ -109,10 +110,14 @@ public:
     [[nodiscard]] static PatchManager::Metadata GetMetadataFromBaseOrUpdate(Core::System& system, u64 application_id) noexcept;
 
 private:
+    [[nodiscard]] u64 GetUpdateTitleIDForContent() const;
+    [[nodiscard]] std::vector<VirtualDir> GetModificationLoadRoots() const;
+    [[nodiscard]] std::vector<VirtualDir> GetSDMCModificationLoadRoots() const;
     [[nodiscard]] std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
                                                           const std::string& build_id) const;
 
     u64 title_id;
+    u64 application_id;
     const Service::FileSystem::FileSystemController& fs_controller;
     const ContentProvider& content_provider;
 };

src/core/hle/kernel/k_server_session.cpp

@@ -1216,7 +1216,7 @@ Result KServerSession::ReceiveRequest(KernelCore& kernel, uintptr_t server_messa
 }
 
 Result KServerSession::SendReply(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
-                                 KPhysicalAddress server_message_paddr, bool is_hle, bool session_closed) {
+                                 KPhysicalAddress server_message_paddr, bool is_hle) {
     // Lock the session.
     KScopedLightLock lk{m_lock};
 
@@ -1248,7 +1248,7 @@ Result KServerSession::SendReply(KernelCore& kernel, uintptr_t server_message, u
     KEvent* event = request->GetEvent();
 
     // Check whether we're closed.
-    const bool closed = (client_thread == nullptr || m_parent->IsClientClosed() || session_closed);
+    const bool closed = (client_thread == nullptr || m_parent->IsClientClosed());
 
     Result result = ResultSuccess;
     if (!closed) {

src/core/hle/kernel/k_server_session.h

@@ -54,14 +54,14 @@ public:
 
     Result OnRequest(KernelCore& kernel, KSessionRequest* request);
     Result SendReply(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
-                     KPhysicalAddress server_message_paddr, bool is_hle = false, bool session_closed = false);
+                     KPhysicalAddress server_message_paddr, bool is_hle = false);
     Result ReceiveRequest(KernelCore& kernel, uintptr_t server_message, uintptr_t server_buffer_size,
                           KPhysicalAddress server_message_paddr,
                           std::shared_ptr<Service::HLERequestContext>* out_context = nullptr,
                           std::weak_ptr<Service::SessionRequestManager> manager = {});
 
-    Result SendReplyHLE(KernelCore& kernel, bool session_closed = false) {
+    Result SendReplyHLE(KernelCore& kernel) {
-        R_RETURN(this->SendReply(kernel, 0, 0, 0, true, session_closed));
+        R_RETURN(this->SendReply(kernel, 0, 0, 0, true));
     }
 
     Result ReceiveRequestHLE(KernelCore& kernel, std::shared_ptr<Service::HLERequestContext>* out_context,

src/core/hle/service/am/process_creation.cpp

@@ -6,6 +6,7 @@
 
 #include <optional>
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/patch_manager.h"
@@ -104,8 +105,16 @@ std::unique_ptr<Process> CreateApplicationProcess(std::vector<u8>& out_control,
 
         // TODO(DarkLordZach): When FSController/Game Card Support is added, if
         // current_process_game_card use correct StorageId
-        launch.base_game_storage_id = GetStorageIdForFrontendSlot(storage.GetSlotForEntry(launch.title_id, FileSys::ContentRecordType::Program));
+        auto base_slot = storage.GetSlotForEntry(launch.title_id, FileSys::ContentRecordType::Program);
-        launch.update_storage_id = GetStorageIdForFrontendSlot(storage.GetSlotForEntry(FileSys::GetUpdateTitleID(launch.title_id), FileSys::ContentRecordType::Program));
+        if (!base_slot) {
+            base_slot = storage.GetSlotForEntry(FileSys::GetBaseTitleID(launch.title_id), FileSys::ContentRecordType::Program);
+        }
+        launch.base_game_storage_id = GetStorageIdForFrontendSlot(base_slot);
+        auto update_slot = storage.GetSlotForEntry(FileSys::GetUpdateTitleID(launch.title_id), FileSys::ContentRecordType::Program);
+        if (!update_slot) {
+            update_slot = storage.GetSlotForEntry(FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(launch.title_id)), FileSys::ContentRecordType::Program);
+        }
+        launch.update_storage_id = GetStorageIdForFrontendSlot(update_slot);
 
         system.GetARPManager().Register(launch.title_id, launch, out_control);
         return process;

src/core/hle/service/am/service/application_functions.cpp

@@ -158,7 +158,7 @@ Result IApplicationFunctions::EnsureSaveData(Out<u64> out_size, Common::UUID use
     LOG_INFO(Service_AM, "called, uid={}", user_id.FormattedString());
 
     FileSys::SaveDataAttribute attribute{};
-    attribute.program_id = m_applet->program_id;
+    attribute.program_id = FileSys::GetBaseTitleID(m_applet->program_id);
     attribute.user_id = user_id.AsU128();
     attribute.type = FileSys::SaveDataType::Account;
 
@@ -238,7 +238,7 @@ Result IApplicationFunctions::ExtendSaveData(Out<u64> out_required_size, FileSys
               static_cast<u8>(type), user_id.FormattedString(), normal_size, journal_size);
 
     system.GetFileSystemController().OpenSaveDataController()->WriteSaveDataSize(
-        type, m_applet->program_id, user_id.AsU128(), {normal_size, journal_size});
+        type, FileSys::GetBaseTitleID(m_applet->program_id), user_id.AsU128(), {normal_size, journal_size});
 
     // The following value is used to indicate the amount of space remaining on failure
     // due to running out of space. Since we always succeed, this should be 0.
@@ -252,7 +252,7 @@ Result IApplicationFunctions::GetSaveDataSize(Out<u64> out_normal_size, Out<u64>
     LOG_DEBUG(Service_AM, "called with type={} user_id={}", type, user_id.FormattedString());
 
     const auto size = system.GetFileSystemController().OpenSaveDataController()->ReadSaveDataSize(
-        type, m_applet->program_id, user_id.AsU128());
+        type, FileSys::GetBaseTitleID(m_applet->program_id), user_id.AsU128());
 
     *out_normal_size = size.normal;
     *out_journal_size = size.journal;

src/core/hle/service/audio/audio_in.cpp

@@ -50,7 +50,7 @@ IAudioIn::IAudioIn(Core::System& system_, Manager& manager, size_t session_id,
 }
 
 IAudioIn::~IAudioIn() {
-    impl->Free(system);
+    impl->Free();
     service_context.CloseEvent(event);
     process->Close(system.Kernel());
 }

src/core/hle/service/audio/audio_in_manager.cpp

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -68,7 +65,7 @@ Result IAudioInManager::OpenAudioInAuto(
 Result IAudioInManager::ListAudioInsAutoFiltered(
     OutArray<AudioDeviceName, BufferAttr_HipcAutoSelect> out_audio_ins, Out<u32> out_count) {
     LOG_DEBUG(Service_Audio, "called");
-    *out_count = impl->GetDeviceNames(system, out_audio_ins, true);
+    *out_count = impl->GetDeviceNames(out_audio_ins, true);
     R_SUCCEED();
 }
 
@@ -93,8 +90,8 @@ Result IAudioInManager::OpenAudioInProtocolSpecified(
 
     size_t new_session_id{};
 
-    R_TRY(impl->LinkToManager(system));
+    R_TRY(impl->LinkToManager());
-    R_TRY(impl->AcquireSessionId(system, new_session_id));
+    R_TRY(impl->AcquireSessionId(new_session_id));
 
     LOG_DEBUG(Service_Audio, "Opening new AudioIn, session_id={}, free sessions={}", new_session_id,
               impl->num_free_sessions);

src/core/hle/service/audio/audio_out.cpp

@@ -46,7 +46,7 @@ IAudioOut::IAudioOut(Core::System& system_, Manager& manager, size_t session_id,
 }
 
 IAudioOut::~IAudioOut() {
-    impl->Free(system);
+    impl->Free();
     service_context.CloseEvent(event);
     process->Close(system.Kernel());
 }

src/core/hle/service/audio/audio_out_manager.cpp

@@ -77,8 +77,8 @@ Result IAudioOutManager::OpenAudioOutAuto(
     }
 
     size_t new_session_id{};
-    R_TRY(impl->LinkToManager(system));
+    R_TRY(impl->LinkToManager());
-    R_TRY(impl->AcquireSessionId(system, new_session_id));
+    R_TRY(impl->AcquireSessionId(new_session_id));
 
     const auto device_name = Common::StringFromBuffer(name[0].name);
     LOG_DEBUG(Service_Audio, "Opening new AudioOut, sessionid={}, free sessions={}", new_session_id,

src/core/hle/service/filesystem/filesystem.cpp

@@ -14,6 +14,7 @@
 #include "core/core.h"
 #include "core/file_sys/bis_factory.h"
 #include "core/file_sys/card_image.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/errors.h"
 #include "core/file_sys/patch_manager.h"
@@ -227,13 +228,12 @@ Result VfsDirectoryServiceWrapper::RenameDirectory(const std::string& src_path_,
     std::string src_path(Common::FS::SanitizePath(src_path_));
     std::string dest_path(Common::FS::SanitizePath(dest_path_));
     auto src = GetDirectoryRelativeWrapped(backing, src_path);
+    if (Common::FS::GetParentPath(src_path) == Common::FS::GetParentPath(dest_path)) {
+        // Use more-optimized vfs implementation rename.
         if (src == nullptr)
             return FileSys::ResultPathNotFound;
-
+        if (!src->Rename(Common::FS::GetFilename(dest_path))) {
-    if (Common::FS::GetParentPath(src_path) == Common::FS::GetParentPath(dest_path)) {
+            // TODO(DarkLordZach): Find a better error code for this
-        std::string full_src_path = backing->GetFullPath() + "/" + src_path;
-        std::string full_dest_path = backing->GetFullPath() + "/" + dest_path;
-        if (!Common::FS::RenameDir(full_src_path, full_dest_path)) {
             return ResultUnknown;
         }
         return ResultSuccess;
@@ -340,7 +340,7 @@ Result FileSystemController::RegisterProcess(
     registrations.emplace(process_id, Registration{
                                           .program_id = program_id,
                                           .romfs_factory = std::move(romfs_factory),
-                                          .save_data_factory = CreateSaveDataFactory(program_id),
+                                          .save_data_factory = CreateSaveDataFactory(FileSys::GetBaseTitleID(program_id)),
                                       });
 
     LOG_DEBUG(Service_FS, "Registered for process {}", process_id);

src/core/hle/service/filesystem/fsp/fs_i_filesystem.cpp

@@ -24,7 +24,7 @@ IFileSystem::IFileSystem(Core::System& system_, FileSys::VirtualDir dir_, SizeGe
         {3, D<&IFileSystem::DeleteDirectory>, "DeleteDirectory"},
         {4, D<&IFileSystem::DeleteDirectoryRecursively>, "DeleteDirectoryRecursively"},
         {5, D<&IFileSystem::RenameFile>, "RenameFile"},
-        {6, D<&IFileSystem::RenameDirectory>, "RenameDirectory"},
+        {6, nullptr, "RenameDirectory"},
         {7, D<&IFileSystem::GetEntryType>, "GetEntryType"},
         {8, D<&IFileSystem::OpenFile>, "OpenFile"},
         {9, D<&IFileSystem::OpenDirectory>, "OpenDirectory"},
@@ -88,14 +88,6 @@ Result IFileSystem::RenameFile(
     R_RETURN(backend->RenameFile(FileSys::Path(old_path->str), FileSys::Path(new_path->str)));
 }
 
-Result IFileSystem::RenameDirectory(
-    const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
-    const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path) {
-    LOG_DEBUG(Service_FS, "called. directory '{}' to directory '{}'", old_path->str, new_path->str);
-
-    R_RETURN(backend->RenameDirectory(FileSys::Path(old_path->str), FileSys::Path(new_path->str)));
-}
-
 Result IFileSystem::OpenFile(OutInterface<IFile> out_interface,
                              const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path,
                              u32 mode) {

src/core/hle/service/filesystem/fsp/fs_i_filesystem.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -39,8 +36,6 @@ public:
         const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path);
     Result RenameFile(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
                       const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path);
-    Result RenameDirectory(const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> old_path,
-                           const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> new_path);
     Result OpenFile(OutInterface<IFile> out_interface,
                     const InLargeData<FileSys::Sf::Path, BufferAttr_HipcPointer> path, u32 mode);
     Result OpenDirectory(OutInterface<IDirectory> out_interface,

src/core/hle/service/filesystem/fsp/fsp_srv.cpp

@@ -18,6 +18,7 @@
 #include "common/settings.h"
 #include "common/string_util.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/errors.h"
 #include "core/file_sys/fs_directory.h"
@@ -313,7 +314,7 @@ Result FSP_SRV::OpenSaveDataFileSystemBySystemSaveDataId(OutInterface<IFileSyste
              FileSys::ResultInvalidArgument);
 
     if (attribute.program_id == 0) {
-        attribute.program_id = program_id;
+        attribute.program_id = FileSys::GetBaseTitleID(program_id);
     }
 
     FileSys::VirtualDir dir{};

src/core/hle/service/server_manager.cpp

@@ -393,7 +393,7 @@ Result ServerManager::CompleteSyncRequest(Session* session) {
     }
 
     // Send the reply.
-    res = server_session->SendReplyHLE(m_system.Kernel(), service_res == IPC::ResultSessionClosed);
+    res = server_session->SendReplyHLE(m_system.Kernel());
 
     // If the session has been closed, we're done.
     if (res == Kernel::ResultSessionClosed || service_res == IPC::ResultSessionClosed) {

src/core/loader/loader.cpp

@@ -70,6 +70,15 @@ std::optional<IndexedProgram> ResolveIndexedProgram(Core::System& system, u64 pr
         return IndexedProgram{std::move(update), target_id, true};
     }
 
+    const auto application_update_id =
+        FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(target_id));
+    if (application_update_id != update_id) {
+        if (auto update = provider.GetEntryRaw(application_update_id, FileSys::ContentRecordType::Program)) {
+            LOG_INFO(Loader, "Program index {} has no base program, loading it from application update {:016X}", program_index, application_update_id);
+            return IndexedProgram{std::move(update), target_id, true};
+        }
+    }
+
     LOG_WARNING(Loader, "No program NCA for {:016X} (index {}), falling back to the container",
                 target_id, program_index);
     return std::nullopt;

src/core/loader/nca.cpp

@@ -11,6 +11,7 @@
 #include "common/hex_util.h"
 #include "common/scope_exit.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/nca_metadata.h"
@@ -76,8 +77,13 @@ AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::KProcess& process, Core::S
         LOG_INFO(Loader, "No ExeFS found in NCA, looking for ExeFS from update");
 
         const auto& installed = system.GetContentProvider();
-        const auto update_nca = installed.GetEntry(FileSys::GetUpdateTitleID(nca->GetTitleId()),
+        const auto program_update_id = FileSys::GetUpdateTitleID(nca->GetTitleId());
+        auto update_nca = installed.GetEntry(program_update_id, FileSys::ContentRecordType::Program);
+        if (update_nca == nullptr) {
+            update_nca = installed.GetEntry(
+                FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(nca->GetTitleId())),
                 FileSys::ContentRecordType::Program);
+        }
 
         if (update_nca) {
             exefs = update_nca->GetExeFS();

src/core/loader/nsp.cpp

@@ -186,8 +186,13 @@ ResultStatus AppLoader_NSP::ReadUpdateRaw(FileSys::VirtualFile& out_file) {
         return ResultStatus::ErrorNoPackedUpdate;
     }
 
-    const auto read = nsp->GetNCAFile(FileSys::GetUpdateTitleID(nsp->GetProgramTitleID()),
+    const auto program_update_id = FileSys::GetUpdateTitleID(nsp->GetProgramTitleID());
+    auto read = nsp->GetNCAFile(program_update_id, FileSys::ContentRecordType::Program);
+    if (read == nullptr) {
+        read = nsp->GetNCAFile(
+            FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(nsp->GetProgramTitleID())),
             FileSys::ContentRecordType::Program);
+    }
 
     if (read == nullptr) {
         return ResultStatus::ErrorNoPackedUpdate;

src/core/loader/xci.cpp

@@ -9,6 +9,7 @@
 #include "common/common_types.h"
 #include "core/core.h"
 #include "core/file_sys/card_image.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
@@ -137,8 +138,13 @@ ResultStatus AppLoader_XCI::ReadUpdateRaw(FileSys::VirtualFile& out_file) {
         return ResultStatus::ErrorXCIMissingProgramNCA;
     }
 
-    const auto read = xci->GetSecurePartitionNSP()->GetNCAFile(
+    const auto program_update_id = FileSys::GetUpdateTitleID(program_id);
-        FileSys::GetUpdateTitleID(program_id), FileSys::ContentRecordType::Program);
+    auto read = xci->GetSecurePartitionNSP()->GetNCAFile(program_update_id, FileSys::ContentRecordType::Program);
+    if (read == nullptr) {
+        read = xci->GetSecurePartitionNSP()->GetNCAFile(
+            FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(program_id)),
+            FileSys::ContentRecordType::Program);
+    }
     if (read == nullptr) {
         return ResultStatus::ErrorNoPackedUpdate;
     }

src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64.cpp

@@ -247,7 +247,7 @@ void A32EmitX64::GenTerminalHandlers() {
     calculate_location_descriptor();
     code.mov(eax, dword[code.ABI_JIT_PTR + offsetof(A32JitState, rsb_ptr)]);
     code.sub(eax, 1);
-    code.and_(eax, u32(A32JitState::RSB_PTR_MASK));
+    code.and_(eax, u32(A32JitState::RSBPtrMask));
     code.mov(dword[code.ABI_JIT_PTR + offsetof(A32JitState, rsb_ptr)], eax);
     code.cmp(rbx, qword[code.ABI_JIT_PTR + offsetof(A32JitState, rsb_location_descriptors) + rax * sizeof(u64)]);
     if (conf.HasOptimization(OptimizationFlag::FastDispatch)) {

src/dynarmic/src/dynarmic/backend/x64/a32_interface.cpp

@@ -37,9 +37,9 @@ using namespace Backend::X64;
 
 static RunCodeCallbacks GenRunCodeCallbacks(A32::UserCallbacks* cb, CodePtr (*LookupBlock)(void* lookup_block_arg), void* arg, const A32::UserConfig& conf) {
     return RunCodeCallbacks{
-        ArgCallback(LookupBlock, reinterpret_cast<u64>(arg)),
+        std::make_unique<ArgCallback>(LookupBlock, reinterpret_cast<u64>(arg)),
-        ArgCallback(Devirtualize<&A32::UserCallbacks::AddTicks>(cb)),
+        std::make_unique<ArgCallback>(Devirtualize<&A32::UserCallbacks::AddTicks>(cb)),
-        ArgCallback(Devirtualize<&A32::UserCallbacks::GetTicksRemaining>(cb)),
+        std::make_unique<ArgCallback>(Devirtualize<&A32::UserCallbacks::GetTicksRemaining>(cb)),
         conf.enable_cycle_counting,
     };
 }
@@ -79,7 +79,7 @@ struct Jit::Impl {
         jit_interface->is_executing = true;
         const CodePtr current_codeptr = [this] {
             // RSB optimization
-            const u32 new_rsb_ptr = (jit_state.rsb_ptr - 1) & A32JitState::RSB_PTR_MASK;
+            const u32 new_rsb_ptr = (jit_state.rsb_ptr - 1) & A32JitState::RSBPtrMask;
             if (jit_state.GetUniqueHash() == jit_state.rsb_location_descriptors[new_rsb_ptr]) {
                 jit_state.rsb_ptr = new_rsb_ptr;
                 return reinterpret_cast<CodePtr>(jit_state.rsb_codeptrs[new_rsb_ptr]);

src/dynarmic/src/dynarmic/backend/x64/a32_jitstate.h

@@ -27,9 +27,6 @@ struct A32JitState {
 
     A32JitState() { ResetRSB(); }
 
-    static constexpr std::size_t RSB_SIZE = 8;  // MUST be a power of 2.
-    static constexpr std::size_t RSB_PTR_MASK = RSB_SIZE - 1;
-
     std::array<u32, 16> Reg{};  // Current register file.
     // TODO: Mode-specific register sets unimplemented.
 
@@ -39,9 +36,8 @@ struct A32JitState {
     u32 cpsr_q = 0;
     u32 cpsr_nzcv = 0;
     u32 cpsr_jaifm = 0;
-    u32 fpsr_exc = 0;
+    u32 Cpsr() const;
-    u32 fpsr_qc = 0;
+    void SetCpsr(u32 cpsr);
-    u32 fpsr_nzcv = 0;
 
     alignas(16) std::array<u32, 64> ExtReg{};  // Extension registers.
 
@@ -53,19 +49,21 @@ struct A32JitState {
     // Exclusive state
     u32 exclusive_state = 0;
 
+    static constexpr std::size_t RSBSize = 8;  // MUST be a power of 2.
+    static constexpr std::size_t RSBPtrMask = RSBSize - 1;
     u32 rsb_ptr = 0;
-    std::array<u64, RSB_SIZE> rsb_location_descriptors;
+    std::array<u64, RSBSize> rsb_location_descriptors;
-    std::array<u64, RSB_SIZE> rsb_codeptrs;
+    std::array<u64, RSBSize> rsb_codeptrs;
-
-    u32 Cpsr() const;
-    void SetCpsr(u32 cpsr);
-
     void ResetRSB();
+
+    u32 fpsr_exc = 0;
+    u32 fpsr_qc = 0;
+    u32 fpsr_nzcv = 0;
     u32 Fpscr() const;
     void SetFpscr(u32 FPSCR);
 
     u64 GetUniqueHash() const noexcept {
-        return (u64(upper_location_descriptor) << 32) | (u64(Reg[15]));
+        return (static_cast<u64>(upper_location_descriptor) << 32) | (static_cast<u64>(Reg[15]));
     }
 
     void TransferJitState(const A32JitState& src, bool reset_rsb) {

src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64.cpp

@@ -208,7 +208,7 @@ void A64EmitX64::GenTerminalHandlers() {
     calculate_location_descriptor();
     code.mov(eax, dword[code.ABI_JIT_PTR + offsetof(A64JitState, rsb_ptr)]);
     code.sub(eax, 1);
-    code.and_(eax, u32(A64JitState::RSB_PTR_MASK));
+    code.and_(eax, u32(A64JitState::RSBPtrMask));
     code.mov(dword[code.ABI_JIT_PTR + offsetof(A64JitState, rsb_ptr)], eax);
     code.cmp(rbx, qword[code.ABI_JIT_PTR + offsetof(A64JitState, rsb_location_descriptors) + rax * sizeof(u64)]);
     if (conf.HasOptimization(OptimizationFlag::FastDispatch)) {

src/dynarmic/src/dynarmic/backend/x64/a64_interface.cpp

@@ -33,9 +33,9 @@ using namespace Backend::X64;
 
 static RunCodeCallbacks GenRunCodeCallbacks(A64::UserCallbacks* cb, CodePtr (*LookupBlock)(void* lookup_block_arg), void* arg, const A64::UserConfig& conf) {
     return RunCodeCallbacks{
-        ArgCallback(LookupBlock, reinterpret_cast<u64>(arg)),
+        std::make_unique<ArgCallback>(LookupBlock, reinterpret_cast<u64>(arg)),
-        ArgCallback(Devirtualize<&A64::UserCallbacks::AddTicks>(cb)),
+        std::make_unique<ArgCallback>(Devirtualize<&A64::UserCallbacks::AddTicks>(cb)),
-        ArgCallback(Devirtualize<&A64::UserCallbacks::GetTicksRemaining>(cb)),
+        std::make_unique<ArgCallback>(Devirtualize<&A64::UserCallbacks::GetTicksRemaining>(cb)),
         conf.enable_cycle_counting,
     };
 }
@@ -78,7 +78,7 @@ public:
         // TODO: Check code alignment
         const CodePtr current_code_ptr = [this] {
             // RSB optimization
-            const u32 new_rsb_ptr = (jit_state.rsb_ptr - 1) & A64JitState::RSB_PTR_MASK;
+            const u32 new_rsb_ptr = (jit_state.rsb_ptr - 1) & A64JitState::RSBPtrMask;
             if (jit_state.GetUniqueHash() == jit_state.rsb_location_descriptors[new_rsb_ptr]) {
                 jit_state.rsb_ptr = new_rsb_ptr;
                 return CodePtr(jit_state.rsb_codeptrs[new_rsb_ptr]);

src/dynarmic/src/dynarmic/backend/x64/a64_jitstate.h

@@ -29,19 +29,18 @@ struct A64JitState {
 
     A64JitState() { ResetRSB(); }
 
-    // Exclusive state stuff
-    static constexpr u64 RESERVATION_GRANULE_MASK = 0xFFFF'FFFF'FFFF'FFF0ull;
-    // Return stack buffer
-    static constexpr size_t RSB_SIZE = 8;  // MUST be a power of 2.
-    static constexpr size_t RSB_PTR_MASK = RSB_SIZE - 1;
-
     std::array<u64, 31> reg{};
     u64 sp = 0;
     u64 pc = 0;
+
     u32 cpsr_nzcv = 0;
-    u32 fpsr_exc = 0;
+
-    u32 fpsr_qc = 0;
+    u32 GetPstate() const {
-    u32 fpcr = 0;
+        return NZCV::FromX64(cpsr_nzcv);
+    }
+    void SetPstate(u32 new_pstate) {
+        cpsr_nzcv = NZCV::ToX64(new_pstate);
+    }
 
     alignas(16) std::array<u64, 64> vec{};  // Extension registers.
 
@@ -51,31 +50,29 @@ struct A64JitState {
     volatile u32 halt_reason = 0;
 
     // Exclusive state
+    static constexpr u64 RESERVATION_GRANULE_MASK = 0xFFFF'FFFF'FFFF'FFF0ull;
     u8 exclusive_state = 0;
+
+    static constexpr size_t RSBSize = 8;  // MUST be a power of 2.
+    static constexpr size_t RSBPtrMask = RSBSize - 1;
     u32 rsb_ptr = 0;
-    std::array<u64, RSB_SIZE> rsb_location_descriptors;
+    std::array<u64, RSBSize> rsb_location_descriptors;
-    std::array<u64, RSB_SIZE> rsb_codeptrs;
+    std::array<u64, RSBSize> rsb_codeptrs;
-
-    u32 GetPstate() const {
-        return NZCV::FromX64(cpsr_nzcv);
-    }
-
-    void SetPstate(u32 new_pstate) {
-        cpsr_nzcv = NZCV::ToX64(new_pstate);
-    }
-
     void ResetRSB() {
         rsb_location_descriptors.fill(0xFFFFFFFFFFFFFFFFull);
         rsb_codeptrs.fill(0);
     }
 
+    u32 fpsr_exc = 0;
+    u32 fpsr_qc = 0;
+    u32 fpcr = 0;
     u32 GetFpcr() const;
     u32 GetFpsr() const;
     void SetFpcr(u32 value);
     void SetFpsr(u32 value);
 
     u64 GetUniqueHash() const noexcept {
-        const u64 fpcr_u64 = u64(fpcr & A64::LocationDescriptor::fpcr_mask) << A64::LocationDescriptor::fpcr_shift;
+        const u64 fpcr_u64 = static_cast<u64>(fpcr & A64::LocationDescriptor::fpcr_mask) << A64::LocationDescriptor::fpcr_shift;
         const u64 pc_u64 = pc & A64::LocationDescriptor::pc_mask;
         return pc_u64 | fpcr_u64;
     }

src/dynarmic/src/dynarmic/backend/x64/block_of_code.cpp

@@ -61,6 +61,73 @@ namespace {
 constexpr size_t CONSTANT_POOL_SIZE = 2 * 1024 * 1024;
 constexpr size_t PRELUDE_COMMIT_SIZE = 16 * 1024 * 1024;
 
+class CustomXbyakAllocator : public Xbyak::Allocator {
+public:
+#ifdef _WIN32
+    uint8_t* alloc(size_t size) override {
+        void* p = VirtualAlloc(nullptr, size, MEM_RESERVE, PAGE_READWRITE);
+        if (p == nullptr) {
+            using Xbyak::Error;
+            XBYAK_THROW(Xbyak::ERR_CANT_ALLOC);
+        }
+        return static_cast<uint8_t*>(p);
+    }
+
+    void free(uint8_t* p) override {
+        VirtualFree(static_cast<void*>(p), 0, MEM_RELEASE);
+    }
+
+    bool useProtect() const override { return false; }
+#else
+    static constexpr size_t DYNARMIC_PAGE_SIZE = 4096;
+
+    // Can't subclass Xbyak::MmapAllocator because it is not a pure interface
+    // and doesn't expose its construtor
+    uint8_t* alloc(size_t size) override {
+        // Waste a page to store the size
+        size += DYNARMIC_PAGE_SIZE;
+
+        int mode = MAP_PRIVATE;
+#if defined(MAP_ANONYMOUS)
+        mode |= MAP_ANONYMOUS;
+#elif defined(MAP_ANON)
+        mode |= MAP_ANON;
+#else
+#   error "not supported"
+#endif
+#ifdef MAP_JIT
+        mode |= MAP_JIT;
+#endif
+        int prot = PROT_READ | PROT_WRITE;
+#ifdef PROT_MPROTECT
+        // https://man.netbsd.org/mprotect.2 specifies that an mprotect() that is LESS
+        // restrictive than the original mapping MUST fail
+        prot |= PROT_MPROTECT(PROT_READ) | PROT_MPROTECT(PROT_WRITE) | PROT_MPROTECT(PROT_EXEC);
+#endif
+        void* p = mmap(nullptr, size, prot, mode, -1, 0);
+        if (p == MAP_FAILED) {
+            using Xbyak::Error;
+            XBYAK_THROW(Xbyak::ERR_CANT_ALLOC);
+        }
+        std::memcpy(p, &size, sizeof(size_t));
+        return static_cast<uint8_t*>(p) + DYNARMIC_PAGE_SIZE;
+    }
+
+    void free(uint8_t* p) override {
+        size_t size;
+        std::memcpy(&size, p - DYNARMIC_PAGE_SIZE, sizeof(size_t));
+        munmap(p - DYNARMIC_PAGE_SIZE, size);
+    }
+
+#    ifdef DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT
+    bool useProtect() const override { return false; }
+#    endif
+#endif
+};
+
+// This is threadsafe as Xbyak::Allocator does not contain any state; it is a pure interface.
+CustomXbyakAllocator s_allocator;
+
 #ifdef DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT
 void ProtectMemory(const void* base, size_t size, bool is_executable) {
 #    ifdef _WIN32
@@ -78,9 +145,11 @@ void ProtectMemory(const void* base, size_t size, bool is_executable) {
 
 HostFeature GetHostFeatures() {
     HostFeature features = {};
+
 #ifdef DYNARMIC_ENABLE_CPU_FEATURE_DETECTION
     using Cpu = Xbyak::util::Cpu;
-    Xbyak::util::Cpu cpu_info{};
+    Xbyak::util::Cpu cpu_info;
+
     if (cpu_info.has(Cpu::tSSSE3))
         features |= HostFeature::SSSE3;
     if (cpu_info.has(Cpu::tSSE41))
@@ -127,6 +196,7 @@ HostFeature GetHostFeatures() {
         features |= HostFeature::GFNI;
     if (cpu_info.has(Cpu::tWAITPKG))
         features |= HostFeature::WAITPKG;
+
     if (cpu_info.has(Cpu::tBMI2)) {
         // BMI2 instructions such as pdep and pext have been very slow up until Zen 3.
         // Check for Zen 3 or newer by its family (0x19).
@@ -144,6 +214,7 @@ HostFeature GetHostFeatures() {
         }
     }
 #endif
+
     return features;
 }
 
@@ -162,27 +233,23 @@ bool IsUnderRosetta() {
 
 }  // anonymous namespace
 
-BlockOfCode::BlockOfCode(RunCodeCallbacks cb, JitStateInfo jsi, size_t total_code_size, std::function<void(BlockOfCode&)> rcp)
-    : Xbyak::CodeGenerator(total_code_size
 #ifdef DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT
-        , Xbyak::DontSetProtectRWE
+static const auto default_cg_mode = Xbyak::DontSetProtectRWE;
 #else
-        , nullptr //Allow RWE
+static const auto default_cg_mode = nullptr; //Allow RWE
 #endif
-        , nullptr)
+
-    , constant_pool(*this, CONSTANT_POOL_SIZE)
+BlockOfCode::BlockOfCode(RunCodeCallbacks cb, JitStateInfo jsi, size_t total_code_size, std::function<void(BlockOfCode&)> rcp)
-    , jsi(jsi)
+        : Xbyak::CodeGenerator(total_code_size, default_cg_mode, &s_allocator)
         , cb(std::move(cb))
-{
+        , jsi(jsi)
+        , constant_pool(*this, CONSTANT_POOL_SIZE)
+        , host_features(GetHostFeatures()) {
     EnableWriting();
     EnsureMemoryCommitted(PRELUDE_COMMIT_SIZE);
     GenRunCode(rcp);
 }
 
-bool BlockOfCode::HasHostFeature(HostFeature feature) const noexcept {
-    return (GetHostFeatures() & feature) == feature;
-}
-
 void BlockOfCode::PreludeComplete() {
     prelude_complete = true;
     code_begin = getCurr();
@@ -274,7 +341,7 @@ void BlockOfCode::GenRunCode(std::function<void(BlockOfCode&)> rcp) {
     mov(rbx, ABI_PARAM2); // save temporarily in non-volatile register
 
     if (cb.enable_cycle_counting) {
-        cb.GetTicksRemaining.EmitCall(*this);
+        cb.GetTicksRemaining->EmitCall(*this);
         mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_to_run)], ABI_RETURN);
         mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)], ABI_RETURN);
     }
@@ -321,7 +388,7 @@ void BlockOfCode::GenRunCode(std::function<void(BlockOfCode&)> rcp) {
         cmp(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)], 0);
         jng(return_to_caller);
     }
-    cb.LookupBlock.EmitCall(*this);
+    cb.LookupBlock->EmitCall(*this);
     jmp(ABI_RETURN);
 
     align();
@@ -334,7 +401,7 @@ void BlockOfCode::GenRunCode(std::function<void(BlockOfCode&)> rcp) {
         jng(return_to_caller_mxcsr_already_exited);
     }
     SwitchMxcsrOnEntry();
-    cb.LookupBlock.EmitCall(*this);
+    cb.LookupBlock->EmitCall(*this);
     jmp(ABI_RETURN);
 
     align();
@@ -348,7 +415,7 @@ void BlockOfCode::GenRunCode(std::function<void(BlockOfCode&)> rcp) {
     L(return_to_caller_mxcsr_already_exited);
 
     if (cb.enable_cycle_counting) {
-        cb.AddTicks.EmitCall(*this, [this](RegList param) {
+        cb.AddTicks->EmitCall(*this, [this](RegList param) {
             mov(param[0], qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_to_run)]);
             sub(param[0], qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)]);
         });
@@ -388,18 +455,18 @@ void BlockOfCode::UpdateTicks() {
         return;
     }
 
-    cb.AddTicks.EmitCall(*this, [this](RegList param) {
+    cb.AddTicks->EmitCall(*this, [this](RegList param) {
         mov(param[0], qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_to_run)]);
         sub(param[0], qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)]);
     });
 
-    cb.GetTicksRemaining.EmitCall(*this);
+    cb.GetTicksRemaining->EmitCall(*this);
     mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_to_run)], ABI_RETURN);
     mov(qword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, cycles_remaining)], ABI_RETURN);
 }
 
 void BlockOfCode::LookupBlock() {
-    cb.LookupBlock.EmitCall(*this);
+    cb.LookupBlock->EmitCall(*this);
 }
 
 void BlockOfCode::LoadRequiredFlagsForCondFromRax(IR::Cond cond) {
@@ -453,7 +520,7 @@ void BlockOfCode::LoadRequiredFlagsForCondFromRax(IR::Cond cond) {
 }
 
 Xbyak::Address BlockOfCode::Const(const Xbyak::AddressFrame& frame, u64 lower, u64 upper) {
-    return constant_pool.GetConstant(*this, frame, lower, upper);
+    return constant_pool.GetConstant(frame, lower, upper);
 }
 
 CodePtr BlockOfCode::GetCodeBegin() const {

src/dynarmic/src/dynarmic/backend/x64/block_of_code.h

@@ -31,9 +31,9 @@ namespace Dynarmic::Backend::X64 {
 using CodePtr = const void*;
 
 struct RunCodeCallbacks {
-    ArgCallback LookupBlock;
+    std::unique_ptr<Callback> LookupBlock;
-    ArgCallback AddTicks;
+    std::unique_ptr<Callback> AddTicks;
-    ArgCallback GetTicksRemaining;
+    std::unique_ptr<Callback> GetTicksRemaining;
     bool enable_cycle_counting;
 };
 
@@ -166,24 +166,27 @@ public:
 
     JitStateInfo GetJitStateInfo() const { return jsi; }
 
-    bool HasHostFeature(HostFeature feature) const noexcept;
+    bool HasHostFeature(HostFeature feature) const {
+        return (host_features & feature) == feature;
+    }
 
 private:
     using RunCodeFuncType = HaltReason (*)(void*, CodePtr);
     static constexpr size_t MXCSR_ALREADY_EXITED = 1 << 0;
     static constexpr size_t FORCE_RETURN = 1 << 1;
 
-    ConstantPool constant_pool;
-    JitStateInfo jsi;
-    std::array<const void*, 4> return_from_run_code;
-    RunCodeFuncType run_code = nullptr;
-    RunCodeFuncType step_code = nullptr;
     RunCodeCallbacks cb;
+    JitStateInfo jsi;
     CodePtr code_begin = nullptr;
 #ifdef _WIN32
     size_t committed_size = 0;
 #endif
+    ConstantPool constant_pool;
+    RunCodeFuncType run_code = nullptr;
+    RunCodeFuncType step_code = nullptr;
+    std::array<const void*, 4> return_from_run_code;
     bool prelude_complete = false;
+    const HostFeature host_features;
 
     void GenRunCode(std::function<void(BlockOfCode&)> rcp);
 };

src/dynarmic/src/dynarmic/backend/x64/constant_pool.cpp

@@ -16,7 +16,8 @@
 namespace Dynarmic::Backend::X64 {
 
 ConstantPool::ConstantPool(BlockOfCode& code, size_t size)
-    : insertion_point(0)
+    : code(code)
+    , insertion_point(0)
 {
     code.EnsureMemoryCommitted(align_size + size);
     code.int3();
@@ -24,17 +25,17 @@ ConstantPool::ConstantPool(BlockOfCode& code, size_t size)
     pool = std::span<ConstantT>(reinterpret_cast<ConstantT*>(code.AllocateFromCodeSpace(size)), size / align_size);
 }
 
-Xbyak::Address ConstantPool::GetConstant(BlockOfCode& code, const Xbyak::AddressFrame& frame, u64 lower, u64 upper) {
+Xbyak::Address ConstantPool::GetConstant(const Xbyak::AddressFrame& frame, u64 lower, u64 upper) {
     const auto constant = ConstantT(lower, upper);
-    auto it = constant_info.find(constant);
+    auto iter = constant_info.find(constant);
-    if (it == constant_info.end()) {
+    if (iter == constant_info.end()) {
         ASSERT(insertion_point < pool.size());
         ConstantT& target_constant = pool[insertion_point];
         target_constant = constant;
-        it = constant_info.insert({constant, &target_constant}).first;
+        iter = constant_info.insert({constant, &target_constant}).first;
         ++insertion_point;
     }
-    return frame[code.rip + it->second];
+    return frame[code.rip + iter->second];
 }
 
 }  // namespace Dynarmic::Backend::X64

src/dynarmic/src/dynarmic/backend/x64/constant_pool.h

@@ -29,7 +29,7 @@ class ConstantPool final {
 public:
     ConstantPool(BlockOfCode& code, size_t size);
 
-    Xbyak::Address GetConstant(BlockOfCode& code, const Xbyak::AddressFrame& frame, u64 lower, u64 upper = 0);
+    Xbyak::Address GetConstant(const Xbyak::AddressFrame& frame, u64 lower, u64 upper = 0);
 
 private:
     static constexpr size_t align_size = 16;  // bytes
@@ -45,6 +45,7 @@ private:
 
     ankerl::unordered_dense::map<ConstantT, void*, ConstantHash> constant_info;
     std::span<ConstantT> pool;
+    BlockOfCode& code;
     std::size_t insertion_point;
 };
 

src/dynarmic/src/dynarmic/backend/x64/host_feature.h

@@ -12,7 +12,7 @@
 
 namespace Dynarmic::Backend::X64 {
 
-enum class HostFeature : u32 {
+enum class HostFeature : u64 {
     SSSE3 = 1ULL << 0,
     SSE41 = 1ULL << 1,
     SSE42 = 1ULL << 2,

src/dynarmic/src/dynarmic/backend/x64/jitstate_info.h

@@ -1,6 +1,3 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 /* This file is part of the dynarmic project.
  * Copyright (c) 2016 MerryMage
  * SPDX-License-Identifier: 0BSD
@@ -18,7 +15,7 @@ struct JitStateInfo {
             : offsetof_guest_MXCSR(offsetof(JitStateType, guest_MXCSR))
             , offsetof_asimd_MXCSR(offsetof(JitStateType, asimd_MXCSR))
             , offsetof_rsb_ptr(offsetof(JitStateType, rsb_ptr))
-            , rsb_ptr_mask(JitStateType::RSB_PTR_MASK)
+            , rsb_ptr_mask(JitStateType::RSBPtrMask)
             , offsetof_rsb_location_descriptors(offsetof(JitStateType, rsb_location_descriptors))
             , offsetof_rsb_codeptrs(offsetof(JitStateType, rsb_codeptrs))
             , offsetof_cpsr_nzcv(offsetof(JitStateType, cpsr_nzcv))

src/frontend_common/content_manager.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 // SPDX-FileCopyrightText: 2024 yuzu Emulator Project
@@ -56,13 +56,14 @@ inline bool RemoveDLC(const Service::FileSystem::FileSystemController& fs_contro
  */
 inline size_t RemoveAllDLC(Core::System& system, const u64 program_id) {
     size_t count{};
+    const auto application_id = FileSys::GetBaseTitleID(program_id);
     const auto& fs_controller = system.GetFileSystemController();
     const auto dlc_entries = system.GetContentProvider().ListEntriesFilter(
         FileSys::TitleType::AOC, FileSys::ContentRecordType::Data);
     std::vector<u64> program_dlc_entries;
 
     for (const auto& entry : dlc_entries) {
-        if (FileSys::GetBaseTitleID(entry.title_id) == program_id) {
+        if (FileSys::GetBaseTitleID(entry.title_id) == application_id) {
             program_dlc_entries.push_back(entry.title_id);
         }
     }
@@ -83,9 +84,17 @@ inline size_t RemoveAllDLC(Core::System& system, const u64 program_id) {
  */
 inline bool RemoveUpdate(const Service::FileSystem::FileSystemController& fs_controller,
                          const u64 program_id) {
-    const auto update_id = program_id | 0x800;
+    const auto remove_update = [&fs_controller](u64 update_id) {
         return fs_controller.GetUserNANDContents()->RemoveExistingEntry(update_id) ||
                fs_controller.GetSDMCContents()->RemoveExistingEntry(update_id);
+    };
+    const auto update_id = FileSys::GetUpdateTitleID(program_id);
+    const auto application_update_id =
+        FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(program_id));
+    if (update_id != application_update_id && remove_update(update_id)) {
+        return true;
+    }
+    return remove_update(application_update_id);
 }
 
 /**
@@ -111,15 +120,26 @@ inline bool RemoveBaseContent(const Service::FileSystem::FileSystemController& f
 inline bool RemoveMod(const Service::FileSystem::FileSystemController& fs_controller,
                       const u64 program_id, const std::string& mod_name) {
     // Check general Mods (LayeredFS and IPS)
-    const auto mod_dir = fs_controller.GetModificationLoadRoot(program_id);
+    const auto remove_from_root = [&mod_name](const auto& root) {
-    if (mod_dir != nullptr) {
+        return root != nullptr && root->DeleteSubdirectoryRecursive(mod_name);
-        return mod_dir->DeleteSubdirectoryRecursive(mod_name);
+    };
+    if (remove_from_root(fs_controller.GetModificationLoadRoot(program_id))) {
+        return true;
+    }
+    if (FileSys::GetBaseTitleID(program_id) != program_id &&
+        remove_from_root(
+            fs_controller.GetModificationLoadRoot(FileSys::GetBaseTitleID(program_id)))) {
+        return true;
     }
 
     // Check SDMC mod directory (RomFS LayeredFS)
-    const auto sdmc_mod_dir = fs_controller.GetSDMCModificationLoadRoot(program_id);
+    if (remove_from_root(fs_controller.GetSDMCModificationLoadRoot(program_id))) {
-    if (sdmc_mod_dir != nullptr) {
+        return true;
-        return sdmc_mod_dir->DeleteSubdirectoryRecursive(mod_name);
+    }
+    if (FileSys::GetBaseTitleID(program_id) != program_id &&
+        remove_from_root(
+            fs_controller.GetSDMCModificationLoadRoot(FileSys::GetBaseTitleID(program_id)))) {
+        return true;
     }
 
     return false;

src/frontend_common/mod_manager.cpp

@@ -7,6 +7,7 @@
 #include "common/fs/fs.h"
 #include "common/fs/fs_types.h"
 #include "common/logging.h"
+#include "core/file_sys/common_funcs.h"
 #include "frontend_common/data_manager.h"
 #include "mod_manager.h"
 
@@ -40,7 +41,7 @@ std::vector<std::filesystem::path> GetModFolder(const std::string& root) {
 }
 
 ModInstallResult InstallMod(const std::filesystem::path& path, const u64 program_id, const bool copy) {
-    const auto program_id_string = fmt::format("{:016X}", program_id);
+    const auto program_id_string = fmt::format("{:016X}", FileSys::GetBaseTitleID(program_id));
     const auto mod_name = path.filename();
     const auto mod_dir =
         DataManager::GetDataDir(DataManager::DataDir::Mods) / program_id_string / mod_name;

src/qt_common/util/game.cpp

@@ -5,6 +5,7 @@
 
 #include "common/fs/fs.h"
 #include "common/fs/path_util.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/savedata_factory.h"
 #include "core/hle/service/am/am_types.h"
 #include "frontend_common/content_manager.h"
@@ -305,6 +306,7 @@ void RemoveAllTransferableShaderCaches(u64 program_id) {
 }
 
 void RemoveCustomConfiguration(u64 program_id, const std::string& game_path) {
+    program_id = FileSys::GetBaseTitleID(program_id);
     const auto file_path = std::filesystem::path(Common::FS::ToU8String(game_path));
     const auto config_file_name =
         program_id == 0 ? Common::FS::PathToUTF8String(file_path.filename()).append(".ini")

src/yuzu/configuration/configure_per_game.cpp

@@ -24,6 +24,7 @@
 #include "common/settings_input.h"
 #include "configuration/shared_widget.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/xts_archive.h"
@@ -50,7 +51,7 @@
 ConfigurePerGame::ConfigurePerGame(QWidget* parent, u64 title_id_, const std::string& file_name,
                                    std::vector<VkDeviceInfo::Record>& vk_device_records,
                                    Core::System& system_)
-    : QDialog(parent), ui(std::make_unique<Ui::ConfigurePerGame>()), title_id{title_id_},
+    : QDialog(parent), ui(std::make_unique<Ui::ConfigurePerGame>()), title_id{FileSys::GetBaseTitleID(title_id_)},
       system{system_},
       builder{std::make_unique<ConfigurationShared::Builder>(this, !system_.IsPoweredOn())},
       tab_group{std::make_shared<std::vector<ConfigurationShared::Tab*>>()} {

src/yuzu/configuration/configure_per_game_addons.cpp

@@ -24,6 +24,7 @@
 #include "common/fs/path_util.h"
 #include "configuration/addon/mod_select_dialog.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/loader/loader.h"
 #include "frontend_common/mod_manager.h"
@@ -137,7 +138,7 @@ void ConfigurePerGameAddons::LoadFromFile(FileSys::VirtualFile file_) {
 }
 
 void ConfigurePerGameAddons::SetTitleId(u64 id) {
-    this->title_id = id;
+    this->title_id = FileSys::GetBaseTitleID(id);
 }
 
 void ConfigurePerGameAddons::InstallMods(const QStringList& mods) {

src/yuzu/main_window.cpp

@@ -1922,7 +1922,7 @@ void MainWindow::BootGame(const QString& filename, Service::AM::FrontendAppletPa
             std::filesystem::path{Common::U16StringFromBuffer(filename.utf16(), filename.size())};
         const auto config_file_name = title_id == 0
                                           ? Common::FS::PathToUTF8String(file_path.filename())
-                                          : fmt::format("{:016X}", title_id);
+                                          : fmt::format("{:016X}", FileSys::GetBaseTitleID(title_id));
         QtConfig per_game_config(config_file_name, Config::ConfigType::PerGameConfig);
         QtCommon::system->HIDCore().ReloadInputDevices();
         QtCommon::system->ApplySettings();
@@ -2544,9 +2544,11 @@ void MainWindow::OnGameListDumpRomFS(u64 program_id, const std::string& game_pat
     }
 
     const FileSys::NCA update_nca{packed_update_raw, nullptr};
+    const auto selected_update_id = FileSys::GetUpdateTitleID(title_id);
+    const auto application_update_id = FileSys::GetUpdateTitleID(FileSys::GetBaseTitleID(title_id));
     if (type != FileSys::ContentRecordType::Program ||
         update_nca.GetStatus() != Loader::ResultStatus::ErrorMissingBKTRBaseRomFS ||
-        update_nca.GetTitleId() != FileSys::GetUpdateTitleID(title_id)) {
+        (update_nca.GetTitleId() != selected_update_id && update_nca.GetTitleId() != application_update_id)) {
         packed_update_raw = {};
     }
 
@@ -4421,6 +4423,7 @@ void MainWindow::SetFPSSuffix() {
 
 bool MainWindow::SelectRomFSDumpTarget(const FileSys::ContentProvider& installed, u64 program_id,
                                        u64* selected_title_id, u8* selected_content_record_type) {
+    program_id = FileSys::GetBaseTitleID(program_id);
     using ContentInfo = std::tuple<u64, FileSys::TitleType, FileSys::ContentRecordType>;
     boost::container::flat_set<ContentInfo> available_title_ids;