[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",

dist/qt_themes/default/style.qss

@@ -509,8 +509,6 @@ QWidget#contentRichDialog QLabel#label_title_rich {
 }
 
 QWidget#contentDialog QLabel#label_dialog {
-    background: #2E2E2E;
-
     padding: 20px 65px;
 }
 

docs/Settings.md

@@ -43,7 +43,6 @@ This guide will walk you through adding a new boolean toggle setting to Eden's c
 Firstly add your desired toggle:
 
 Example: `src/common/setting.h`
-
 ```cpp
 SwitchableSetting<bool> your_setting_name{linkage, false, "your_setting_name", Category::RendererExtensions};
 ```
@@ -68,7 +67,6 @@ Common Categories:
 Add the toggle to the Qt UI, where you wish for it to appear and place it there.
 
 Example: `src/qt_common/config/shared_translation.cpp`
-
 ```cpp
 INSERT(Settings,
        your_setting_name,
@@ -93,7 +91,6 @@ INSERT(Settings,
 Add where it should be in the settings.
 
 Example: `src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/BooleanSetting.kt`
-
 ```kts
 RENDERER_YOUR_SETTING_NAME("your_setting_name"),
 ```
@@ -109,7 +106,6 @@ RENDERER_YOUR_SETTING_NAME("your_setting_name"),
 Add the toggle to the Kotlin (Android) UI
 
 Example: `src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt`
-
 ```kts
 put(
     SwitchSetting(
@@ -127,7 +123,6 @@ put(
 Add your setting within the right category.
 
 Example: `src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt`
-
 ```kts
 add(BooleanSetting.RENDERER_YOUR_SETTING_NAME.key)
 ```
@@ -142,7 +137,6 @@ add(BooleanSetting.RENDERER_YOUR_SETTING_NAME.key)
 Add your setting and description in the appropriate place.
 
 Example: `src/android/app/src/main/res/values/strings.xml`
-
 ```xml
 <string name="your_setting_name">Your Setting Display Name</string>
 <string name="your_setting_name_description">Detailed description of what this setting does. Explain any caveats, requirements, or warnings here.</string>
@@ -156,7 +150,6 @@ Now the UI part is done find a place in the code for the toggle,
 And use it to your heart's desire!
 
 Example:
-
 ```cpp
 const bool your_value = Settings::values.your_setting_name.GetValue();
 
@@ -203,31 +196,25 @@ Common advantages recap:
 
 #### Accessing Debug Knobs (dev side)
 
-Use the `Settings::GetDebugKnobAt(u8 i)` function to check if a specific bit is set:
+Use the `Settings::getDebugKnobAt(u8 i)` function to check if a specific bit is set:
 
 ```cpp
 //cpp side
 #include "common/settings.h"
 
-//To use it as a general purpose uint var:
-unsigned int debug_knobs = Settings::values.debug_knobs.GetValue();
-
 // Check if bit 0 is set
-bool feature_enabled = Settings::GetDebugKnobAt(0);
+bool feature_enabled = Settings::getDebugKnobAt(0);
 
 // Check if bit 15 is set
-bool another_feature = Settings::GetDebugKnobAt(15);
+bool another_feature = Settings::getDebugKnobAt(15);
 ```
 
 ```kts
 //kotlin side
 import org.yuzu.yuzu_emu.features.settings.model.Settings
 
-//To use it as a general purpose uint var
-val debug_knobs: Int = UShortSetting.DEBUG_KNOBS.getInt()
-
 // Check if bit x is set
-bool feature_enabled = Settings.GetDebugKnobAt(x); //x as integer from 0 to 15
+bool feature_enabled = Settings.getDebugKnobAt(x); //x as integer from 0 to 15
 ```
 
 The function returns `true` if the specified bit (0-15) is set in the `debug_knobs` value, `false` otherwise.
@@ -260,7 +247,6 @@ There are two main confusions when talking about knobs:
 Sometimes when an user reports: knobs 1 and 2 gets better performance, dev may get confuse whether he means the knobs 1 and 2 literally, or the 1st and 2nd knobs (knobs 0 and 1).
 
 Debug knobs are **zero-based**, which means:
-
 * The first knob is the knob(0) (or knob0 henceforth), and the last one is the 15 (knob15, likewise)
 * You can talk: "knob0 is enabled/disabled", "In this video i was using only knobs 0 and 2", etc.
 
@@ -273,7 +259,6 @@ Whenever you're instructing tests or reporting results, be precise about whether
 
 ALWAYS use the word in PLURAL (knobs), without mentioning which one, to refer to the setting, aka multiple knobs at once:
 Examples:
-
 - **knobs=0**: no knobs enabled
 - **knobs=1**: knob0 enabled, others disabled
 - **knobs=2**: knob1 enabled, others disabled
@@ -285,7 +270,6 @@ Examples:
 
 Use the word in SINGULAR (knob), or in plural but referring which ones, when meaning multiple knobs at once:
 Examples:
-
 - **knob0**: knob 0 enabled, others disabled
 - **knob1**: knob 1 enabled, others disabled
 - **knobs 0 and 1**: knobs 0 and 1 enabled, others disabled
@@ -298,12 +282,12 @@ Examples:
 
 ```cpp
 void SomeFunction() {
-    if (Settings::GetDebugKnobAt(0)) {
+    if (Settings::getDebugKnobAt(0)) {
         LOG_DEBUG(Common, "Debug feature 0 is enabled");
         // Additional debug code here
     }
-  
-    if (Settings::GetDebugKnobAt(1)) {
+    
+    if (Settings::getDebugKnobAt(1)) {
         LOG_DEBUG(Common, "Debug feature 1 is enabled");
         // Different debug behavior
     }
@@ -315,7 +299,7 @@ void SomeFunction() {
 ```cpp
 bool UseOptimizedPath() {
     // Skip optimization if debug bit 2 is set for testing
-    return !Settings::GetDebugKnobAt(2);
+    return !Settings::getDebugKnobAt(2);
 }
 ```
 
@@ -324,13 +308,13 @@ bool UseOptimizedPath() {
 ```cpp
 void ExperimentalFeature() {
     static constexpr u8 EXPERIMENTAL_FEATURE_BIT = 3;
-  
-    if (!Settings::GetDebugKnobAt(EXPERIMENTAL_FEATURE_BIT)) {
+    
+    if (!Settings::getDebugKnobAt(EXPERIMENTAL_FEATURE_BIT)) {
         // Fallback to stable implementation
         StableImplementation();
         return;
     }
-  
+    
     // Experimental implementation
     ExperimentalImplementation();
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/NativeLibrary.kt

@@ -220,7 +220,7 @@ object NativeLibrary {
 
     external fun refreshThreadPolicies()
 
-    external fun GetDebugKnobAt(index: Int): Boolean
+    external fun getDebugKnobAt(index: Int): Boolean
 
     /**
      * Set the current speed limit to the configured turbo speed.

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/Settings.kt

@@ -35,8 +35,8 @@ object Settings {
     fun getPlayerString(player: Int): String =
         YuzuApplication.appContext.getString(R.string.preferences_player, player)
 
-    fun GetDebugKnobAt(index: Int): Boolean {
-        return org.yuzu.yuzu_emu.NativeLibrary.GetDebugKnobAt(index)
+    fun getDebugKnobAt(index: Int): Boolean {
+        return org.yuzu.yuzu_emu.NativeLibrary.getDebugKnobAt(index)
     }
 
     const val PREF_FIRST_APP_LAUNCH = "FirstApplicationLaunch"

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/ShortSetting.kt

@@ -11,7 +11,8 @@ import org.yuzu.yuzu_emu.utils.NativeConfig
 enum class ShortSetting(override val key: String) : AbstractShortSetting {
     RENDERER_SPEED_LIMIT("speed_limit"),
     RENDERER_TURBO_SPEED_LIMIT("turbo_speed_limit"),
-    RENDERER_SLOW_SPEED_LIMIT("slow_speed_limit")
+    RENDERER_SLOW_SPEED_LIMIT("slow_speed_limit"),
+    DEBUG_KNOBS("debug_knobs")
     ;
 
     override fun getShort(needsGlobal: Boolean): Short = NativeConfig.getShort(key, needsGlobal)
@@ -28,4 +29,4 @@ enum class ShortSetting(override val key: String) : AbstractShortSetting {
     override fun getValueAsString(needsGlobal: Boolean): String = getShort(needsGlobal).toString()
 
     override fun reset() = NativeConfig.setShort(key, defaultValue)
-}
+}

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/UShortSetting.kt

@@ -1,27 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-package org.yuzu.yuzu_emu.features.settings.model
-
-import org.yuzu.yuzu_emu.utils.NativeConfig
-
-enum class UShortSetting(override val key: String) : AbstractIntSetting {
-    DEBUG_KNOBS("debug_knobs")
-    ;
-
-    override fun getInt(needsGlobal: Boolean): Int =
-        NativeConfig.getUnsignedShort(key, needsGlobal)
-
-    override fun setInt(value: Int) {
-        if (NativeConfig.isPerGameConfigLoaded()) {
-            global = false
-        }
-        NativeConfig.setUnsignedShort(key, value)
-    }
-
-    override val defaultValue: Int by lazy { NativeConfig.getDefaultToString(key).toInt() }
-
-    override fun getValueAsString(needsGlobal: Boolean): String = getInt(needsGlobal).toString()
-
-    override fun reset() = NativeConfig.setUnsignedShort(key, defaultValue)
-}

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/SettingsItem.kt

@@ -20,7 +20,6 @@ import org.yuzu.yuzu_emu.features.settings.model.IntSetting
 import org.yuzu.yuzu_emu.features.settings.model.LongSetting
 import org.yuzu.yuzu_emu.features.settings.model.ShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.StringSetting
-import org.yuzu.yuzu_emu.features.settings.model.UShortSetting
 import org.yuzu.yuzu_emu.network.NetDataValidators
 import org.yuzu.yuzu_emu.utils.LosslessScalingHelper
 import org.yuzu.yuzu_emu.utils.NativeConfig
@@ -1035,7 +1034,7 @@ abstract class SettingsItem(
             )
             put(
                 SpinBoxSetting(
-                    UShortSetting.DEBUG_KNOBS,
+                    ShortSetting.DEBUG_KNOBS,
                     titleId = R.string.debug_knobs,
                     descriptionId = R.string.debug_knobs_description,
                     valueHint = R.string.debug_knobs_hint,

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt

@@ -25,7 +25,6 @@ import org.yuzu.yuzu_emu.features.settings.model.Settings
 import org.yuzu.yuzu_emu.features.settings.model.Settings.MenuTag
 import org.yuzu.yuzu_emu.features.settings.model.ShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.StringSetting
-import org.yuzu.yuzu_emu.features.settings.model.UShortSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.*
 import org.yuzu.yuzu_emu.utils.InputHandler
 import org.yuzu.yuzu_emu.utils.LosslessScalingHelper
@@ -1327,7 +1326,7 @@ class SettingsFragmentPresenter(
 
             add(HeaderSetting(R.string.general))
 
-            add(UShortSetting.DEBUG_KNOBS.key)
+            add(ShortSetting.DEBUG_KNOBS.key)
             add(StringSetting.PROGRAM_ARGS.key)
 
             if (!NativeConfig.isPerGameConfigLoaded()) {

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.DLC -> NativeLibrary.removeDLC(patch.programId)
-            PatchType.Mod -> NativeLibrary.removeMod(patch.programId, patch.name)
+            PatchType.Update -> NativeLibrary.removeUpdate(currentGame.programId)
+            PatchType.DLC -> NativeLibrary.removeDLC(currentGame.applicationId)
+            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 (programIdLong == 0L) {
+            return if (applicationIdLong == 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
-        val programIdDecimal = try {
-            titleId.toLong(16).toString()
+        // Convert the program ID to the application ID used by per-game settings.
+        val applicationIdLong = try {
+            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.programIdHex.equals(expectedHex, ignoreCase = true)
+            game.applicationId == applicationIdDecimal || game.applicationIdHex.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.programIdHex.equals(expectedHex, ignoreCase = true)
+            game.applicationId == applicationIdDecimal || game.applicationIdHex.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") {
-                            gamesByProgramId[game.programId] = game
+                        if (game.applicationId != "0") {
+                            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/utils/NativeConfig.kt

@@ -80,12 +80,6 @@ object NativeConfig {
     @Synchronized
     external fun setShort(key: String, value: Short)
 
-    @Synchronized
-    external fun getUnsignedShort(key: String, needsGlobal: Boolean): Int
-
-    @Synchronized
-    external fun setUnsignedShort(key: String, value: Int)
-
     @Synchronized
     external fun getInt(key: String, needsGlobal: Boolean): Int
 

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 latestWindowInsets: WindowInsetsCompat? = null
-    private var cardGeometryInitialized: Boolean = false
+    private var bottomInset: Int = -1
     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 {
-        val navigationBottom = if (FullscreenHelper.isFullscreenEnabled(context)) {
-            0
-        } else {
-            windowInsets.getInsetsIgnoringVisibility(WindowInsetsCompat.Type.navigationBars()).bottom
+    fun notifyInsetsReady(newBottomInset: Int) {
+        if (bottomInset != newBottomInset) {
+            bottomInset = newBottomInset
+        }
+
+        if (isCarouselMode) {
+            setupCarousel(true)
+        } else {
+            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() {
-        if (!isCarouselMode || height <= 0) return
+    fun notifyLaidOut(fallBackBottomInset: Int) {
+        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
-        val windowInsets = latestWindowInsets ?: ViewCompat.getRootWindowInsets(this) ?: return
+        if (isCarouselMode) {
+            setupCarousel(true)
+        }
+    }
 
-        if (cardGeometryInitialized && !hasWindowFocus()) return
-
-        val newBottomInset = resolveBottomInset(windowInsets).coerceIn(0, height)
+    fun cardSize(bottomInset: Int): Int {
         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 screenHeight = resources.displayMetrics.heightPixels.toFloat()
-        val aspectFactor = ((screenWidth / screenHeight) / (20f / 9f))
-            .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
+        val scaledHeight = height * userFactor
+        val availableHeight = height - bottomInset
+        return minOf(scaledHeight.toInt(), availableHeight.toInt())
     }
 
     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;
                 }
@@ -1300,8 +1300,8 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_refreshThreadPolicies(JNIEnv* env, jo
     Common::RefreshThreadPolicies();
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_GetDebugKnobAt(JNIEnv* env, jobject jobj, jint index) {
-    return static_cast<jboolean>(Settings::GetDebugKnobAt(static_cast<u8>(index)));
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_getDebugKnobAt(JNIEnv* env, jobject jobj, jint index) {
+    return static_cast<jboolean>(Settings::getDebugKnobAt(static_cast<u8>(index)));
 }
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_setTurboSpeedLimit(JNIEnv *env, jobject jobj, jboolean enabled) {
@@ -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 =
@@ -130,25 +131,6 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_setShort(JNIEnv* env, jobject ob
     setting->SetValue(value);
 }
 
-jint Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getUnsignedShort(JNIEnv* env, jobject obj,
-                                                                 jstring jkey,
-                                                                 jboolean needGlobal) {
-    auto setting = getSetting<u16>(env, jkey);
-    if (setting == nullptr) {
-        return -1;
-    }
-    return static_cast<jint>(setting->GetValue(static_cast<bool>(needGlobal)));
-}
-
-void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_setUnsignedShort(JNIEnv* env, jobject obj,
-                                                                  jstring jkey, jint value) {
-    auto setting = getSetting<u16>(env, jkey);
-    if (setting == nullptr) {
-        return;
-    }
-    setting->SetValue(static_cast<u16>(value));
-}
-
 jint Java_org_yuzu_yuzu_1emu_utils_NativeConfig_getInt(JNIEnv* env, jobject obj, jstring jkey,
                                                        jboolean needGlobal) {
     auto setting = getSetting<int>(env, jkey);
@@ -341,7 +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(),
@@ -356,7 +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/common/logging.cpp

@@ -329,7 +329,7 @@ struct LogcatBackend : public Backend {
             }
         }();
         auto const df = GetDirectFormatArgs(entry);
-        __android_log_print(android_log_priority, "YuzuNative", "%s %s:%u:%s: %s", df.class_name, entry.filename, entry.line_num, entry.function, entry.message);
+        __android_log_print(android_log_priority, "YuzuNative", CCB_PRINTF_FMT, df.time_seconds, df.time_fractional, df.class_name, df.level_name, entry.filename, entry.line_num, entry.function, entry.message);
     }
     void Flush() noexcept override {}
 };
@@ -428,33 +428,21 @@ void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename, u
         auto const flush = ::Settings::values.log_flush_line.GetValue();
         char buffer[BUFSIZ];
         auto result = fmt::vformat_to_n(buffer, sizeof(buffer) - 1, format, args);
-        Entry e{
-            .message = nullptr,
-            .message_len = 0,
-            .timestamp = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now() - logging_instance->time_origin),
-            .log_class = log_class,
-            .log_level = log_level,
-            .filename = TrimSourcePath(filename),
-            .function = function,
-            .line_num = line_num,
-        };
-        if (result.size <= sizeof(buffer) - 1) {
-            buffer[(std::min)(result.size, sizeof(buffer) - 1)] = '\0';
-            e.message = buffer;
-            e.message_len = (std::min)(result.size, sizeof(buffer) - 1);
-            logging_instance->ForEachBackend([=](Backend& backend) {
-                backend.Write(e);
-                if (flush) backend.Flush();
+        buffer[(std::min)(result.size, sizeof(buffer) - 1)] = '\0';
+        logging_instance->ForEachBackend([=](Backend& backend) {
+            backend.Write(Entry{
+                .message = buffer,
+                .message_len = (std::min)(result.size, sizeof(buffer) - 1),
+                .timestamp = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now() - logging_instance->time_origin),
+                .log_class = log_class,
+                .log_level = log_level,
+                .filename = TrimSourcePath(filename),
+                .function = function,
+                .line_num = line_num,
             });
-        } else {
-            std::string s = fmt::vformat(format, args);
-            e.message = s.c_str();
-            e.message_len = s.size();
-            logging_instance->ForEachBackend([=](Backend& backend) {
-                backend.Write(e);
-                if (flush) backend.Flush();
-            });
-        }
+            if (flush)
+                backend.Flush();
+        });
     }
 }
 } // namespace Common::Log

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/common/settings.cpp

@@ -126,9 +126,9 @@ void LogSettings() {
                     setting->UsingGlobal() ? '-' : 'C', TranslateCategory(category),
                     setting->GetLabel());
                 if (is_default)
-                    settings_list.push_back(fmt::format("{}: {}", name, setting->Canonicalize()));
+                    settings_list.push_back(fmt::format("{}: {}\n", name, setting->Canonicalize()));
                 else
-                    settings_list.push_front(fmt::format("{}: {}", name, setting->Canonicalize()));
+                    settings_list.push_front(fmt::format("{}: {}\n", name, setting->Canonicalize()));
             }
         }
     }
@@ -146,7 +146,7 @@ void LogSettings() {
 #undef LOG_PATH
 }
 
-bool GetDebugKnobAt(u8 i) {
+bool getDebugKnobAt(u8 i) {
     return (values.debug_knobs.GetValue() & (1 << (i & 0xF))) != 0;
 }
 

src/common/settings.h

@@ -904,7 +904,7 @@ struct Values {
                                            0,
                                            65535,
                                            "debug_knobs",
-                                           Category::System,
+                                           Category::Debugging,
                                            Specialization::Countable,
                                            true,
                                            true};
@@ -947,7 +947,7 @@ constexpr u32 MAX_FRAME_GEN_MULTIPLIER = 4;
 
 [[nodiscard]] size_t FrameGenMaxGenerations();
 
-bool GetDebugKnobAt(u8 i);
+bool getDebugKnobAt(u8 i);
 
 void UpdateGPUAccuracy();
 bool IsGPULevelHigh();

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/ips_layer.cpp

@@ -3,12 +3,10 @@
 
 #include <algorithm>
 #include <cstring>
+#include <map>
 #include <sstream>
 #include <string>
 #include <utility>
-#include <span>
-#include <cctype>
-#include <ankerl/unordered_dense.h>
 
 #include "common/hex_util.h"
 #include "common/logging.h"
@@ -24,30 +22,61 @@ enum class IPSFileType {
     Error,
 };
 
-static IPSFileType IdentifyMagic(std::span<const u8> magic) {
-    if (magic.size() >= 5) {
-        if (std::memcmp(magic.data(), "PATCH", 5) == 0)
-            return IPSFileType::IPS;
-        if (std::memcmp(magic.data(), "IPS32", 5) == 0)
-            return IPSFileType::IPS32;
+constexpr std::array<std::pair<const char*, const char*>, 11> ESCAPE_CHARACTER_MAP{{
+    {"\\a", "\a"},
+    {"\\b", "\b"},
+    {"\\f", "\f"},
+    {"\\n", "\n"},
+    {"\\r", "\r"},
+    {"\\t", "\t"},
+    {"\\v", "\v"},
+    {"\\\\", "\\"},
+    {"\\\'", "\'"},
+    {"\\\"", "\""},
+    {"\\\?", "\?"},
+}};
+
+static IPSFileType IdentifyMagic(const std::vector<u8>& magic) {
+    if (magic.size() != 5) {
+        return IPSFileType::Error;
     }
+
+    static constexpr std::array<u8, 5> patch_magic{{'P', 'A', 'T', 'C', 'H'}};
+    if (std::equal(magic.begin(), magic.end(), patch_magic.begin())) {
+        return IPSFileType::IPS;
+    }
+
+    static constexpr std::array<u8, 5> ips32_magic{{'I', 'P', 'S', '3', '2'}};
+    if (std::equal(magic.begin(), magic.end(), ips32_magic.begin())) {
+        return IPSFileType::IPS32;
+    }
+
     return IPSFileType::Error;
 }
 
-static bool IsEOF(IPSFileType type, std::span<const u8> magic) {
-    return (type == IPSFileType::IPS && magic.size() > 3 && std::memcmp(magic.data(), "EOF", 3) == 0)
-        || (type == IPSFileType::IPS32 && magic.size() > 4 && std::memcmp(magic.data(), "EEOF", 4) == 0);
+static bool IsEOF(IPSFileType type, const std::vector<u8>& data) {
+    static constexpr std::array<u8, 3> eof{{'E', 'O', 'F'}};
+    if (type == IPSFileType::IPS && std::equal(data.begin(), data.end(), eof.begin())) {
+        return true;
+    }
+
+    static constexpr std::array<u8, 4> eeof{{'E', 'E', 'O', 'F'}};
+    return type == IPSFileType::IPS32 && std::equal(data.begin(), data.end(), eeof.begin());
 }
 
 VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
     if (in == nullptr || ips == nullptr)
         return nullptr;
 
-    auto in_data = in->ReadAllBytes();
-    auto const type = IdentifyMagic(in_data);
+    const auto type = IdentifyMagic(ips->ReadBytes(0x5));
     if (type == IPSFileType::Error)
         return nullptr;
 
+    auto in_data = in->ReadAllBytes();
+    if (in_data.size() == 0) {
+        return nullptr;
+    }
+
     std::vector<u8> temp(type == IPSFileType::IPS ? 3 : 4);
     u64 offset = 5; // After header
     while (ips->Read(temp.data(), temp.size(), offset) == temp.size()) {
@@ -56,9 +85,12 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
             break;
         }
 
-        u32 real_offset = (type == IPSFileType::IPS32)
-            ? ((temp[0] << 24) | (temp[1] << 16) | (temp[2] << 8) | temp[3])
-            : ((temp[0] << 16) | (temp[1] << 8) | temp[2]);
+        u32 real_offset{};
+        if (type == IPSFileType::IPS32)
+            real_offset = (temp[0] << 24) | (temp[1] << 16) | (temp[2] << 8) | temp[3];
+        else
+            real_offset = (temp[0] << 16) | (temp[1] << 8) | temp[2];
+
         if (real_offset > in_data.size()) {
             return nullptr;
         }
@@ -81,35 +113,34 @@ VirtualFile PatchIPS(const VirtualFile& in, const VirtualFile& ips) {
                 return nullptr;
 
             if (real_offset + rle_size > in_data.size())
-                rle_size = u16(in_data.size() - real_offset);
+                rle_size = static_cast<u16>(in_data.size() - real_offset);
             std::memset(in_data.data() + real_offset, *data, rle_size);
         } else { // Standard Patch
             auto read = data_size;
             if (real_offset + read > in_data.size())
-                read = u16(in_data.size() - real_offset);
+                read = static_cast<u16>(in_data.size() - real_offset);
             if (ips->Read(in_data.data() + real_offset, read, offset) != data_size)
                 return nullptr;
             offset += data_size;
         }
     }
-    if (IsEOF(type, temp)) {
-        return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(), in->GetContainingDirectory());
+
+    if (!IsEOF(type, temp)) {
+        return nullptr;
     }
-    return nullptr;
+
+    return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(),
+                                           in->GetContainingDirectory());
 }
 
-
-struct IPSwitchRecord {
-    std::array<uint8_t, 256 - sizeof(size_t)> data;
-    size_t count;
-};
 struct IPSwitchCompiler::IPSwitchPatch {
-    ankerl::unordered_dense::map<u32, IPSwitchRecord> records;
+    std::string name;
     bool enabled;
+    std::map<u32, std::vector<u8>> records;
 };
 
 IPSwitchCompiler::IPSwitchCompiler(VirtualFile patch_text_) : patch_text(std::move(patch_text_)) {
-    Parse(patch_text->ReadAllBytes());
+    Parse();
 }
 
 IPSwitchCompiler::~IPSwitchCompiler() = default;
@@ -118,185 +149,201 @@ std::array<u8, 32> IPSwitchCompiler::GetBuildID() const {
     return nso_build_id;
 }
 
-static IPSwitchRecord EscapeStringSequences(std::string_view sv) {
-    IPSwitchRecord r{};
-    for (auto it = sv.cbegin(); it != sv.cend(); ) {
-        if (*it == '\\' && it + 1 < sv.cend()) {
-            switch (it[1]) {
-            case 'a': r.data[r.count] = '\a'; break;
-            case 'b': r.data[r.count] = '\b'; break;
-            case 'e': r.data[r.count] = '\e'; break;
-            case 'f': r.data[r.count] = '\f'; break;
-            case 'n': r.data[r.count] = '\n'; break;
-            case 'r': r.data[r.count] = '\r'; break;
-            case 't': r.data[r.count] = '\t'; break;
-            case 'v': r.data[r.count] = '\v'; break;
-            case '?': r.data[r.count] = '\?'; break;
-            default: r.data[r.count] = it[1]; break;
-            }
-            ++r.count;
-            it += 2;
-        } else {
-            ++r.count;
-            ++it;
-        }
-    }
-    return r;
+bool IPSwitchCompiler::IsValid() const {
+    return valid;
 }
 
-void IPSwitchCompiler::Parse(std::span<u8 const> bytes) {
-    LOG_INFO(Loader, "IPSwitchCompiler: '{}'", patch_text->GetName());
-    bool is_little_endian = true;
-    s64 offset_shift = 0;
-    //bool print_values = false;
-    auto const parse_line = [&](std::string_view const line) {
-        // Keep in mind lines have trimmed spaces (at the end & start)!
-        LOG_INFO(Loader, "<{}>", line);
-        // IPSwitch is case insensitive
-        // Yes this is how the logic goes for the main reference parsers!
-        if (line.size() > 2 && line[0] == '@') {
-            switch (line[1]) {
-            // yes, @nsobid too -- NSO Build ID Specifier
-            case 'n':
-            case 'N':
-                nso_build_id = Common::HexStringToArray<0x20>(fmt::format("{:0<64}", line.substr(8)));
-                break;
-            // @stop
-            case 's':
-            case 'S':
-                return false;
-            // @enabled
-            case 'e':
-            case 'E':
-                patches.push_back({{}, true});
-                break;
-            // @disabled
-            case 'd':
-            case 'D':
-                patches.push_back({{}, false});
-                break;
-            // @flag
-            case 'f':
-            case 'F': {
-                if (line.starts_with("@flag offset_shift")) {
-                    offset_shift = std::strtoll(line.data() + 19, nullptr, 0);  // Offset Shift Flag
-                } else if (line.starts_with("@flag print_values")) {
-                    //print_values = true; // Force printing of applied values
-                }
-                break;
-            }
-            case 'l':
-            case 'L':
-                is_little_endian = true;
-                break;
-            // IPS parsers dont support big endian no more, we do due to backcompat
-            case 'b':
-            case 'B':
-                is_little_endian = false;
-                break;
-            default:
-                LOG_WARNING(Loader, "Unknown flag {}", line);
-                break;
-            }
-        } else {
-            size_t offset = size_t(std::strtoul(line.data(), nullptr, 16));
-            offset += size_t(offset_shift);
-            if (auto const first_quote = line.find_first_of("\"\'"); first_quote != std::string::npos) {
-                // string replacement
-                char quote = line[first_quote];
-                auto const start = line.cbegin() + first_quote + 1;
-                auto end = start;
-                for (; end < line.cend() && *end != quote; )
-                    end += (*end == '\\') ? 2 : 1;
-                if (start <= line.cend() && end <= line.cend()) {
-                    LOG_INFO(Loader, "[S] value @ {:#08X} ", offset);
-                    patches.back().records.insert_or_assign(u32(offset), EscapeStringSequences({start, end}));
-                } else {
-                    LOG_WARNING(Loader, "invalid string");
-                }
-            } else if (auto const first_space = line.find_last_of(" /\t\r\n"); first_space != std::string::npos) {
-                IPSwitchRecord r{}; // hex replacement
-                auto const start = line.cbegin() + first_space + 1;
-                auto const end = line.cend();
-                if (start <= line.cend() && end <= line.cend()) {
-                    // Actually IPS wants ordering from {lsb, ..., msb} -- so LE and BE are inverted, fun!
-                    auto const hs = Common::HexStringToVector({start, end}, is_little_endian);
-                    std::memcpy(r.data.data(), hs.data(), hs.size());
-                    r.count = hs.size();
-                    LOG_INFO(Loader, "[H] value @ {:#08X}", offset);
-                    patches.back().records.insert_or_assign(u32(offset), std::move(r));
-                } else {
-                    LOG_WARNING(Loader, "invalid line");
-                }
-            } else {
-                LOG_WARNING(Loader, "unhandled line!");
-            }
-        }
-        return true; //continue
-    };
+static bool StartsWith(std::string_view base, std::string_view check) {
+    return base.size() >= check.size() && base.substr(0, check.size()) == check;
+}
 
-    for (auto it = bytes.begin(); it < bytes.end(); ) {
-        auto const start = it;
-        auto end = start;
-        for (; end < bytes.end() && *end != '\n' && *end != '\r'; ++end)
-            ;
-        it = end + 1; //prepare for next line
-        std::string_view const sline{
-            reinterpret_cast<const char*>(bytes.data() + std::distance(bytes.begin(), start)),
-            size_t(std::distance(start, end))
-        };
-        if (sline.size() > 0) {
-            auto p = sline.cbegin();
-            // skip space off line
-            for (; p < sline.cend() && std::isspace(*p); ++p)
-                ;
-            // now make a nominal preprocessed line: remove comments
-            char quote = '\0';
-            auto const sline_start = p;
-            for (; p < sline.cend(); ) {
-                // we dont check for "//", IPS checks for '/' only...
-                if ((!quote && p[0] == '/')
-                || (!quote && p[0] == '#')) {
-                    break;
-                } else if (p[0] == '\"' || p[0] == '\'') {
-                    quote = (p[0] == quote) ? '\0' : p[0];
-                    ++p;
-                } else if (p + 1 < sline.cend() && p[0] == '\\') {
-                    p += 2;
-                } else {
-                    ++p;
-                }
-            }
-            // now we have the preprocessed string ;)
-            std::string_view pp_str(sline_start, p);
-            if (pp_str.size() > 0 && !parse_line(pp_str)) {
-                break;
-            }
+static std::string EscapeStringSequences(std::string in) {
+    for (const auto& seq : ESCAPE_CHARACTER_MAP) {
+        for (auto index = in.find(seq.first); index != std::string::npos;
+             index = in.find(seq.first, index)) {
+            in.replace(index, std::strlen(seq.first), seq.second);
+            index += std::strlen(seq.second);
         }
     }
+
+    return in;
+}
+
+void IPSwitchCompiler::ParseFlag(const std::string& line) {
+    if (StartsWith(line, "@flag offset_shift ")) {
+        // Offset Shift Flag
+        offset_shift = std::strtoll(line.substr(19).c_str(), nullptr, 0);
+    } else if (StartsWith(line, "@little-endian")) {
+        // Set values to read as little endian
+        is_little_endian = true;
+    } else if (StartsWith(line, "@big-endian")) {
+        // Set values to read as big endian
+        is_little_endian = false;
+    } else if (StartsWith(line, "@flag print_values")) {
+        // Force printing of applied values
+        print_values = true;
+    }
+}
+
+void IPSwitchCompiler::Parse() {
+    const auto bytes = patch_text->ReadAllBytes();
+    std::stringstream s;
+    s.write(reinterpret_cast<const char*>(bytes.data()), bytes.size());
+
+    std::vector<std::string> lines;
+    std::string stream_line;
+    while (std::getline(s, stream_line)) {
+        // Remove a trailing \r
+        if (!stream_line.empty() && stream_line.back() == '\r')
+            stream_line.pop_back();
+        lines.push_back(std::move(stream_line));
+    }
+
+    for (std::size_t i = 0; i < lines.size(); ++i) {
+        auto line = lines[i];
+
+        // Remove midline comments
+        std::size_t comment_index = std::string::npos;
+        bool within_string = false;
+        for (std::size_t k = 0; k < line.size(); ++k) {
+            if (line[k] == '\"' && (k > 0 && line[k - 1] != '\\')) {
+                within_string = !within_string;
+            } else if (line[k] == '\\' && (k < line.size() - 1 && line[k + 1] == '\\')) {
+                comment_index = k;
+                break;
+            }
+        }
+
+        if (!StartsWith(line, "//") && comment_index != std::string::npos) {
+            last_comment = line.substr(comment_index + 2);
+            line = line.substr(0, comment_index);
+        }
+
+        if (StartsWith(line, "@stop")) {
+            // Force stop
+            break;
+        } else if (StartsWith(line, "@nsobid-")) {
+            // NSO Build ID Specifier
+            const auto raw_build_id = fmt::format("{:0<64}", line.substr(8));
+            nso_build_id = Common::HexStringToArray<0x20>(raw_build_id);
+        } else if (StartsWith(line, "#")) {
+            // Mandatory Comment
+            LOG_INFO(Loader, "[IPSwitchCompiler ('{}')] Forced output comment: {}",
+                     patch_text->GetName(), line.substr(1));
+        } else if (StartsWith(line, "//")) {
+            // Normal Comment
+            last_comment = line.substr(2);
+            if (last_comment.find_first_not_of(' ') == std::string::npos)
+                continue;
+            if (last_comment.find_first_not_of(' ') != 0)
+                last_comment = last_comment.substr(last_comment.find_first_not_of(' '));
+        } else if (StartsWith(line, "@enabled") || StartsWith(line, "@disabled")) {
+            // Start of patch
+            const auto enabled = StartsWith(line, "@enabled");
+            if (i == 0)
+                return;
+            LOG_INFO(Loader, "[IPSwitchCompiler ('{}')] Parsing patch '{}' ({})",
+                     patch_text->GetName(), last_comment, line.substr(1));
+
+            IPSwitchPatch patch{last_comment, enabled, {}};
+
+            // Read rest of patch
+            while (true) {
+                if (i + 1 >= lines.size()) {
+                    break;
+                }
+
+                const auto& patch_line = lines[++i];
+
+                // Patch line may contain comments
+                if (StartsWith(patch_line, "//") || StartsWith(patch_line, "#")) {
+                    continue;
+                }
+
+                // Start of new patch
+                if (StartsWith(patch_line, "@enabled") || StartsWith(patch_line, "@disabled")) {
+                    --i;
+                    break;
+                }
+
+                // Check for a flag
+                if (StartsWith(patch_line, "@")) {
+                    ParseFlag(patch_line);
+                    continue;
+                }
+
+                // 11 - 8 hex digit offset + space + minimum two digit overwrite val
+                if (patch_line.length() < 11)
+                    break;
+                auto offset = std::strtoul(patch_line.substr(0, 8).c_str(), nullptr, 16);
+                offset += static_cast<unsigned long>(offset_shift);
+
+                std::vector<u8> replace;
+                // 9 - first char of replacement val
+                if (patch_line[9] == '\"') {
+                    // string replacement
+                    auto end_index = patch_line.find('\"', 10);
+                    if (end_index == std::string::npos || end_index < 10)
+                        return;
+                    while (patch_line[end_index - 1] == '\\') {
+                        end_index = patch_line.find('\"', end_index + 1);
+                        if (end_index == std::string::npos || end_index < 10)
+                            return;
+                    }
+
+                    auto value = patch_line.substr(10, end_index - 10);
+                    value = EscapeStringSequences(value);
+                    replace.reserve(value.size());
+                    std::copy(value.begin(), value.end(), std::back_inserter(replace));
+                } else {
+                    // hex replacement
+                    const auto value =
+                        patch_line.substr(9, patch_line.find_first_of(" /\r\n", 9) - 9);
+                    replace = Common::HexStringToVector(value, is_little_endian);
+                }
+
+                if (print_values) {
+                    LOG_INFO(Loader,
+                             "[IPSwitchCompiler ('{}')]     - Patching value at offset {:#08x} "
+                             "with byte string '{}'",
+                             patch_text->GetName(), offset, Common::HexToString(replace));
+                }
+
+                patch.records.insert_or_assign(static_cast<u32>(offset), std::move(replace));
+            }
+
+            patches.push_back(std::move(patch));
+        } else if (StartsWith(line, "@")) {
+            ParseFlag(line);
+        }
+    }
+
+    valid = true;
 }
 
 VirtualFile IPSwitchCompiler::Apply(const VirtualFile& in) const {
-    if (in == nullptr)
+    if (in == nullptr || !valid)
         return nullptr;
 
     auto in_data = in->ReadAllBytes();
 
     for (const auto& patch : patches) {
-        if (patch.enabled) {
-            for (const auto& record : patch.records) {
-                if (record.first < in_data.size()) {
-                    auto replace_size = record.second.count;
-                    if (record.first + replace_size > in_data.size())
-                        replace_size = in_data.size() - record.first;
-                    std::memcpy(in_data.data() + record.first, record.second.data.data(), replace_size);
-                } else {
-                    LOG_WARNING(Loader, "record offs={:x},size={:x}", record.first, record.second.data.size());
-                }
-            }
+        if (!patch.enabled)
+            continue;
+
+        for (const auto& record : patch.records) {
+            if (record.first >= in_data.size())
+                continue;
+            auto replace_size = record.second.size();
+            if (record.first + replace_size > in_data.size())
+                replace_size = in_data.size() - record.first;
+            for (std::size_t i = 0; i < replace_size; ++i)
+                in_data[i + record.first] = record.second[i];
         }
     }
-    return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(), in->GetContainingDirectory());
+
+    return std::make_shared<VectorVfsFile>(std::move(in_data), in->GetName(),
+                                           in->GetContainingDirectory());
 }
 
 } // namespace FileSys

src/core/file_sys/ips_layer.h

@@ -1,14 +1,11 @@
-// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
 #include <array>
+#include <memory>
 #include <vector>
-#include <span>
 
 #include "common/common_types.h"
 #include "core/file_sys/vfs/vfs.h"
@@ -23,17 +20,24 @@ public:
     ~IPSwitchCompiler();
 
     std::array<u8, 0x20> GetBuildID() const;
+    bool IsValid() const;
     VirtualFile Apply(const VirtualFile& in) const;
 
 private:
     struct IPSwitchPatch;
 
     void ParseFlag(const std::string& flag);
-    void Parse(std::span<u8 const> bytes);
+    void Parse();
+
+    bool valid = false;
 
     VirtualFile patch_text;
     std::vector<IPSwitchPatch> patches;
     std::array<u8, 0x20> nso_build_id{};
+    bool is_little_endian = false;
+    s64 offset_shift = 0;
+    bool print_values = false;
+    std::string last_comment = "";
 };
 
 } // namespace FileSys

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 sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
+    const auto load_dirs = GetModificationLoadRoots();
+    const auto sdmc_load_dirs = GetSDMCModificationLoadRoots();
 
-    std::vector<VirtualDir> patch_dirs = {sdmc_load_dir};
-    if (load_dir != nullptr) {
+    std::vector<VirtualDir> patch_dirs;
+    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(),
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+    std::stable_sort(patch_dirs.begin(), patch_dirs.end(), [](const VirtualDir& l, const VirtualDir& r) {
+        return l->GetName() < r->GetName();
+    });
 
     std::vector<VirtualDir> layers;
     layers.reserve(patch_dirs.size() + 1);
@@ -345,8 +377,9 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     return exefs;
 }
 
-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];
+std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualDir>& patch_dirs,
+                                                      const std::string& build_id) const {
+    const auto& disabled = Settings::values.disabled_addons[application_id];
     const auto nso_build_id = fmt::format("{:0<64}", build_id);
 
     std::vector<VirtualFile> out;
@@ -360,11 +393,16 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
             for (const auto& file : exefs_dir->GetFiles()) {
                 if (file->GetExtension() == "ips") {
                     auto name = file->GetName();
-                    const auto this_build_id = fmt::format("{:0<64}", name.substr(0, name.find('.')));
+
+                    const auto this_build_id =
+                        fmt::format("{:0<64}", name.substr(0, name.find('.')));
                     if (nso_build_id == this_build_id)
                         out.push_back(file);
                 } else if (file->GetExtension() == "pchtxt") {
                     IPSwitchCompiler compiler{file};
+                    if (!compiler.IsValid())
+                        continue;
+
                     const auto this_build_id = Common::HexToString(compiler.GetBuildID());
                     if (nso_build_id == this_build_id)
                         out.push_back(file);
@@ -372,6 +410,7 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
             }
         }
     }
+
     return out;
 }
 
@@ -405,15 +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);
-    if (load_dir == nullptr) {
+    const auto load_dirs = GetModificationLoadRoots();
+    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::sort(patch_dirs.begin(), patch_dirs.end(),
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+    std::vector<VirtualDir> patch_dirs;
+    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(), [](const VirtualDir& l, const VirtualDir& r) {
+        return l->GetName() < r->GetName();
+    });
     const auto patches = CollectPatches(patch_dirs, build_id);
 
     auto out = nso;
@@ -448,29 +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);
-    if (load_dir == nullptr) {
+    const auto load_dirs = GetModificationLoadRoots();
+    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::sort(patch_dirs.begin(), patch_dirs.end(),
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+    std::vector<VirtualDir> patch_dirs;
+    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(), [](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);
-    if (load_dir == nullptr) {
+    const auto load_dirs = GetModificationLoadRoots();
+    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];
-    auto patch_dirs = load_dir->GetSubdirectories();
-    std::sort(patch_dirs.begin(), patch_dirs.end(), [](auto const& l, auto const& r) { return l->GetName() < r->GetName(); });
+    const auto& disabled = Settings::values.disabled_addons[application_id];
+    std::vector<VirtualDir> patch_dirs;
+    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;
@@ -486,39 +540,52 @@ 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 (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()) {
-            std::vector<u8> data(f->GetSize());
-            if (f->Read(data.data(), data.size()) == data.size()) {
-                const Core::Memory::TextCheatParser parser;
-                auto const res = parser.Parse(std::string_view(reinterpret_cast<const char*>(data.data()), data.size()));
-                std::copy(res.begin(), res.end(), std::back_inserter(out));
-            } else {
-                LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}", title_id);
+    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()) {
+                std::vector<u8> data(f->GetSize());
+                if (f->Read(data.data(), data.size()) == data.size()) {
+                    const Core::Memory::TextCheatParser parser;
+                    auto const res = parser.Parse(std::string_view(reinterpret_cast<const char*>(data.data()), data.size()));
+                    std::copy(res.begin(), res.end(), std::back_inserter(out));
+                } else {
+                    LOG_INFO(Common_Filesystem, "Failed to read cheats file for title_id={:016X}", title_id);
+                }
             }
         }
     }
     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);
-    const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
+    std::vector<VirtualDir> load_dirs{fs_controller.GetModificationLoadRoot(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];
-    std::vector<VirtualDir> patch_dirs = load_dir->GetSubdirectories();
-    if (std::find(disabled.cbegin(), disabled.cend(), "SDMC") == disabled.cend()) {
-        patch_dirs.push_back(sdmc_load_dir);
+    const auto& disabled = Settings::values.disabled_addons[application_id];
+    std::vector<VirtualDir> patch_dirs;
+    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(),
-              [](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
+    if (std::find(disabled.cbegin(), disabled.cend(), "SDMC") == disabled.cend()) {
+        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;
@@ -590,8 +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& disabled = Settings::values.disabled_addons[title_id];
+    const auto update_tid = GetUpdateTitleIDForContent();
+    const auto& disabled = Settings::values.disabled_addons[application_id];
 
     bool update_disabled = true;
     std::optional<u32> enabled_version;
@@ -698,7 +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;
@@ -710,10 +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;
 
@@ -862,7 +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};
 
@@ -888,8 +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);
-    if (mod_dir != nullptr) {
+    for (const auto& mod_dir : GetModificationLoadRoots()) {
         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();
@@ -956,8 +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);
-    if (sdmc_mod_dir != nullptr) {
+    for (const auto& sdmc_mod_dir : GetSDMCModificationLoadRoots()) {
         std::string types;
         if (IsDirValidAndNonEmpty(FindSubdirectoryCaseless(sdmc_mod_dir, "exefs")))
             AppendCommaIfNotEmpty(types, "LayeredExeFS");
@@ -992,10 +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;
         }
 
@@ -1070,16 +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 {};
     }
@@ -1155,8 +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()};
-    return pm_update.GetControlMetadata();
+    const auto update_id = FileSys::GetUpdateTitleID(application_id);
+    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) {
-        R_RETURN(this->SendReply(kernel, 0, 0, 0, true, session_closed));
+    Result SendReplyHLE(KernelCore& kernel) {
+        R_RETURN(this->SendReply(kernel, 0, 0, 0, true));
     }
 
     Result ReceiveRequestHLE(KernelCore& kernel, std::shared_ptr<Service::HLERequestContext>* out_context,

src/core/hle/kernel/svc/svc_debug_string.cpp

@@ -17,12 +17,56 @@
 
 namespace Kernel::Svc {
 
+constexpr auto MAX_MSG_TIME = std::chrono::milliseconds(250);
+const auto MAX_MSG_SIZE = 0x1000;
+
 /// Used to output a message on a debug hardware unit - does nothing on a retail unit
 Result OutputDebugString(Core::System& system, u64 address, u64 len) {
+    static struct DebugFlusher {
+        std::string msg_buffer;
+        std::mutex msg_mutex;
+        std::condition_variable msg_cv;
+        std::chrono::steady_clock::time_point last_msg_time;
+        std::optional<std::jthread> thread;
+    } flusher_data;
     R_SUCCEED_IF(len == 0);
-    std::string msg_buffer(len, 0);
-    GetCurrentMemory(system.Kernel()).ReadBlock(address, msg_buffer.data(), len);
-    LOG_INFO(Debug_Emulated, "{}", msg_buffer);
+    // Only start the thread the very first time this function is called
+    if (!flusher_data.thread) {
+        flusher_data.thread.emplace([](std::stop_token stop_token) {
+            while (!stop_token.stop_requested()) {
+                std::unique_lock lock(flusher_data.msg_mutex);
+                flusher_data.msg_cv.wait(lock, [&stop_token] {
+                    return !flusher_data.msg_buffer.empty() || stop_token.stop_requested();
+                });
+                if (stop_token.stop_requested() && flusher_data.msg_buffer.empty())
+                    break;
+                auto timeout = flusher_data.last_msg_time + MAX_MSG_TIME;
+                bool woke_early = flusher_data.msg_cv.wait_until(lock, timeout, [&stop_token] {
+                    return flusher_data.msg_buffer.size() >= MAX_MSG_SIZE || stop_token.stop_requested();
+                });
+                if (!woke_early || flusher_data.msg_buffer.size() >= MAX_MSG_SIZE || stop_token.stop_requested()) {
+                    if (!flusher_data.msg_buffer.empty()) {
+                        // Remove trailing newline as LOG_INFO adds that anyways
+                        if (flusher_data.msg_buffer.back() == '\n')
+                            flusher_data.msg_buffer.pop_back();
+
+                        LOG_INFO(Debug_Emulated, "\n{}", flusher_data.msg_buffer);
+                        flusher_data.msg_buffer.clear();
+                    }
+                    if (stop_token.stop_requested()) break;
+                }
+            }
+            flusher_data.msg_cv.notify_all();
+        });
+    }
+    {
+        std::lock_guard lock(flusher_data.msg_mutex);
+        const auto old_size = flusher_data.msg_buffer.size();
+        flusher_data.msg_buffer.resize(old_size + len);
+        GetCurrentMemory(system.Kernel()).ReadBlock(address, flusher_data.msg_buffer.data() + old_size, len);
+        flusher_data.last_msg_time = std::chrono::steady_clock::now();
+    }
+    flusher_data.msg_cv.notify_one();
     R_SUCCEED();
 }
 

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));
-        launch.update_storage_id = GetStorageIdForFrontendSlot(storage.GetSlotForEntry(FileSys::GetUpdateTitleID(launch.title_id), FileSys::ContentRecordType::Program));
+        auto base_slot = storage.GetSlotForEntry(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/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 (src == nullptr)
-        return FileSys::ResultPathNotFound;
-
     if (Common::FS::GetParentPath(src_path) == Common::FS::GetParentPath(dest_path)) {
-        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)) {
+        // Use more-optimized vfs implementation rename.
+        if (src == nullptr)
+            return FileSys::ResultPathNotFound;
+        if (!src->Rename(Common::FS::GetFilename(dest_path))) {
+            // TODO(DarkLordZach): Find a better error code for this
             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()),
-                                                   FileSys::ContentRecordType::Program);
+        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()),
-                                      FileSys::ContentRecordType::Program);
+    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(
-        FileSys::GetUpdateTitleID(program_id), FileSys::ContentRecordType::Program);
+    const auto program_update_id = FileSys::GetUpdateTitleID(program_id);
+    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)),
-        ArgCallback(Devirtualize<&A32::UserCallbacks::AddTicks>(cb)),
-        ArgCallback(Devirtualize<&A32::UserCallbacks::GetTicksRemaining>(cb)),
+        std::make_unique<ArgCallback>(LookupBlock, reinterpret_cast<u64>(arg)),
+        std::make_unique<ArgCallback>(Devirtualize<&A32::UserCallbacks::AddTicks>(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 fpsr_qc = 0;
-    u32 fpsr_nzcv = 0;
+    u32 Cpsr() const;
+    void SetCpsr(u32 cpsr);
 
     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, RSB_SIZE> rsb_codeptrs;
-
-    u32 Cpsr() const;
-    void SetCpsr(u32 cpsr);
-
+    std::array<u64, RSBSize> rsb_location_descriptors;
+    std::array<u64, RSBSize> rsb_codeptrs;
     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)),
-        ArgCallback(Devirtualize<&A64::UserCallbacks::AddTicks>(cb)),
-        ArgCallback(Devirtualize<&A64::UserCallbacks::GetTicksRemaining>(cb)),
+        std::make_unique<ArgCallback>(LookupBlock, reinterpret_cast<u64>(arg)),
+        std::make_unique<ArgCallback>(Devirtualize<&A64::UserCallbacks::AddTicks>(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 fpcr = 0;
+
+    u32 GetPstate() const {
+        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, RSB_SIZE> rsb_codeptrs;
-
-    u32 GetPstate() const {
-        return NZCV::FromX64(cpsr_nzcv);
-    }
-
-    void SetPstate(u32 new_pstate) {
-        cpsr_nzcv = NZCV::ToX64(new_pstate);
-    }
-
+    std::array<u64, RSBSize> rsb_location_descriptors;
+    std::array<u64, RSBSize> rsb_codeptrs;
     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)
-    , jsi(jsi)
-    , cb(std::move(cb))
-{
+
+BlockOfCode::BlockOfCode(RunCodeCallbacks cb, JitStateInfo jsi, size_t total_code_size, std::function<void(BlockOfCode&)> rcp)
+        : 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;
-    ArgCallback AddTicks;
-    ArgCallback GetTicksRemaining;
+    std::unique_ptr<Callback> LookupBlock;
+    std::unique_ptr<Callback> AddTicks;
+    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);
-    if (it == constant_info.end()) {
+    auto iter = constant_info.find(constant);
+    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;
-    return fs_controller.GetUserNANDContents()->RemoveExistingEntry(update_id) ||
-           fs_controller.GetSDMCContents()->RemoveExistingEntry(update_id);
+    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);
-    if (mod_dir != nullptr) {
-        return mod_dir->DeleteSubdirectoryRecursive(mod_name);
+    const auto remove_from_root = [&mod_name](const auto& root) {
+        return root != nullptr && root->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 (sdmc_mod_dir != nullptr) {
-        return sdmc_mod_dir->DeleteSubdirectoryRecursive(mod_name);
+    if (remove_from_root(fs_controller.GetSDMCModificationLoadRoot(program_id))) {
+        return true;
+    }
+    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/qt_common/util/mod.cpp

@@ -2,7 +2,6 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
 #include <filesystem>
-#include <system_error>
 #include <JlCompress.h>
 #include "frontend_common/mod_manager.h"
 #include "mod.h"
@@ -125,8 +124,8 @@ const QString ExtractMod(const QString& path) {
     fs::remove_all(tmp, ec);
     if (!fs::create_directories(tmp, ec)) {
         QtCommon::Frontend::Critical(tr("Mod Extract Failed"),
-                                    tr("Failed to create temporary directory %1")
-                                        .arg(QString::fromStdString(tmp.string())));
+                                     tr("Failed to create temporary directory %1")
+                                         .arg(QString::fromStdString(tmp.string())));
         return QString();
     }
 

src/video_core/renderer_vulkan/blit_image.cpp

@@ -1281,7 +1281,7 @@ VkPipeline BlitImageHelper::FindOrEmplaceColorPipeline(const BlitImagePipelineKe
         .subpass = 0,
         .basePipelineHandle = VK_NULL_HANDLE,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache()));
+    }));
     return *blit_color_pipelines.back();
 }
 
@@ -1313,7 +1313,7 @@ VkPipeline BlitImageHelper::FindOrEmplaceDepthStencilPipeline(const BlitImagePip
         .subpass = 0,
         .basePipelineHandle = VK_NULL_HANDLE,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache()));
+    }));
     return *blit_depth_stencil_pipelines.back();
 }
 
@@ -1366,7 +1366,7 @@ VkPipeline BlitImageHelper::FindOrEmplaceClearColorPipeline(const BlitImagePipel
         .subpass = 0,
         .basePipelineHandle = VK_NULL_HANDLE,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache()));
+    }));
     return *clear_color_pipelines.back();
 }
 
@@ -1422,7 +1422,7 @@ VkPipeline BlitImageHelper::FindOrEmplaceClearStencilPipeline(
         .subpass = 0,
         .basePipelineHandle = VK_NULL_HANDLE,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache()));
+    }));
     return *clear_stencil_pipelines.back();
 }
 
@@ -1465,7 +1465,7 @@ VkPipeline BlitImageHelper::FindOrEmplaceBlitColorMSAAPipeline(const BlitMSAAPip
         .subpass = 0,
         .basePipelineHandle = VK_NULL_HANDLE,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache()));
+    }));
     return *blit_msaa_color_pipelines.back();
 }
 
@@ -1584,7 +1584,7 @@ VkPipeline BlitImageHelper::FindOrEmplaceResolveDepthStencilPipeline(VkRenderPas
         .subpass = 0,
         .basePipelineHandle = VK_NULL_HANDLE,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache()));
+    }));
     return *pipelines.back();
 }
 
@@ -1697,7 +1697,7 @@ VkPipeline BlitImageHelper::FindOrEmplaceMSAACopyPipeline(const MSAACopyPipeline
         .subpass = 0,
         .basePipelineHandle = VK_NULL_HANDLE,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache()));
+    }));
     return *msaa_copy_pipelines.back();
 }
 
@@ -1817,7 +1817,7 @@ void BlitImageHelper::ConvertPipelineEx(vk::Pipeline& pipeline, VkRenderPass ren
         .subpass = 0,
         .basePipelineHandle = VK_NULL_HANDLE,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache());
+    });
 }
 
 void BlitImageHelper::ConvertPipelineColorTargetEx(vk::Pipeline& pipeline, VkRenderPass renderpass,
@@ -1860,7 +1860,7 @@ void BlitImageHelper::ConvertPipeline(vk::Pipeline& pipeline, VkRenderPass rende
         .subpass = 0,
         .basePipelineHandle = VK_NULL_HANDLE,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache());
+    });
 }
 
 } // namespace Vulkan

src/video_core/renderer_vulkan/present/util.cpp

@@ -521,7 +521,7 @@ static vk::Pipeline CreateWrappedPipelineImpl(
         .subpass = 0,
         .basePipelineHandle = 0,
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache());
+    });
 }
 
 vk::Pipeline CreateWrappedPipeline(const Device& device, vk::RenderPass& renderpass,

src/video_core/renderer_vulkan/vk_compute_pass.cpp

@@ -268,7 +268,7 @@ ComputePass::ComputePass(const Device& device_, Scheduler& scheduler, Descriptor
         .layout = *layout,
         .basePipelineHandle = {},
         .basePipelineIndex = 0,
-    }, device.StaticPipelineCache());
+    });
 }
 
 ComputePass::~ComputePass() = default;

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -63,8 +63,6 @@ using VideoCommon::GenericEnvironment;
 using VideoCommon::GraphicsEnvironment;
 
 constexpr u32 CACHE_VERSION = 18;
-constexpr size_t VULKAN_CACHE_FLUSH_PIPELINES = 128;
-constexpr size_t VULKAN_CACHE_FLUSH_MIN_SECONDS = 30;
 constexpr std::array<char, 8> VULKAN_CACHE_MAGIC_NUMBER{'y', 'u', 'z', 'u', 'v', 'k', 'c', 'h'};
 
 template <typename Container>
@@ -712,10 +710,6 @@ void PipelineCache::LoadDiskResources(u64 title_id, std::stop_token stop_loading
     if (use_vulkan_pipeline_cache) {
         SerializeVulkanPipelineCache(vulkan_pipeline_cache_filename, vulkan_pipeline_cache,
                                      CACHE_VERSION);
-        size_t size = 0;
-        vulkan_pipeline_cache.Read(&size, nullptr);
-        last_cache_size.store(size, std::memory_order_relaxed);
-        last_flush = std::chrono::steady_clock::now();
     }
 
     if (state.statistics) {
@@ -723,35 +717,6 @@ void PipelineCache::LoadDiskResources(u64 title_id, std::stop_token stop_loading
     }
 }
 
-void PipelineCache::QueueVulkanPipelineCacheFlush() {
-    if (!use_vulkan_pipeline_cache || vulkan_pipeline_cache_filename.empty()) {
-        return;
-    }
-    if (++pipelines_since_flush < VULKAN_CACHE_FLUSH_PIPELINES) {
-        return;
-    }
-    const auto now = std::chrono::steady_clock::now();
-    const auto megabytes = last_cache_size.load(std::memory_order_relaxed) / (1024 * 1024);
-    const std::chrono::seconds interval{
-        std::max<size_t>(VULKAN_CACHE_FLUSH_MIN_SECONDS, megabytes)};
-    if (last_flush.time_since_epoch().count() != 0 && now - last_flush < interval) {
-        return;
-    }
-    if (flush_in_flight.exchange(true, std::memory_order_acq_rel)) {
-        return;
-    }
-    pipelines_since_flush = 0;
-    last_flush = now;
-    serialization_thread.QueueWork([this] {
-        SerializeVulkanPipelineCache(vulkan_pipeline_cache_filename, vulkan_pipeline_cache,
-                                     CACHE_VERSION);
-        size_t size = 0;
-        vulkan_pipeline_cache.Read(&size, nullptr);
-        last_cache_size.store(size, std::memory_order_relaxed);
-        flush_in_flight.store(false, std::memory_order_release);
-    });
-}
-
 GraphicsPipeline* PipelineCache::CurrentGraphicsPipelineSlowPath() {
     const auto [pair, is_new]{graphics_cache.try_emplace(graphics_key)};
     auto& pipeline{pair->second};
@@ -790,7 +755,7 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
     std::span<Shader::Environment* const> envs, PipelineStatistics* statistics,
     bool build_in_parallel) try {
     auto hash = key.Hash();
-    LOG_DEBUG(Render_Vulkan, "{:#016x}", hash);
+    LOG_INFO(Render_Vulkan, "{:#016x}", hash);
     size_t env_index{0};
     std::array<Shader::IR::Program, Maxwell::MaxShaderProgram> programs;
     const bool uses_vertex_a{key.unique_hashes[0] != 0};
@@ -926,7 +891,6 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline() {
         }
         SerializePipeline(key, env_ptrs, pipeline_cache_filename, CACHE_VERSION);
     });
-    QueueVulkanPipelineCacheFlush();
     return pipeline;
 }
 
@@ -946,7 +910,6 @@ std::unique_ptr<ComputePipeline> PipelineCache::CreateComputePipeline(
         SerializePipeline(key, std::array<const GenericEnvironment*, 1>{&env_},
                           pipeline_cache_filename, CACHE_VERSION);
     });
-    QueueVulkanPipelineCacheFlush();
     return pipeline;
 }
 
@@ -959,7 +922,7 @@ std::unique_ptr<ComputePipeline> PipelineCache::CreateComputePipeline(
         return nullptr;
     }
 
-    LOG_DEBUG(Render_Vulkan, "{:#016x}", hash);
+    LOG_INFO(Render_Vulkan, "{:#016x}", hash);
 
     Shader::Maxwell::Flow::CFG cfg{env, pools.flow_block, env.StartAddress()};
 

src/video_core/renderer_vulkan/vk_pipeline_cache.h

@@ -7,8 +7,6 @@
 #pragma once
 
 #include <array>
-#include <atomic>
-#include <chrono>
 #include <cstddef>
 #include <filesystem>
 #include <memory>
@@ -146,8 +144,6 @@ private:
     vk::PipelineCache LoadVulkanPipelineCache(const std::filesystem::path& filename,
                                               u32 expected_cache_version);
 
-    void QueueVulkanPipelineCacheFlush();
-
     const Device& device;
     Scheduler& scheduler;
     DescriptorPool& descriptor_pool;
@@ -175,10 +171,6 @@ private:
 
     std::filesystem::path vulkan_pipeline_cache_filename;
     vk::PipelineCache vulkan_pipeline_cache;
-    size_t pipelines_since_flush{};
-    std::chrono::steady_clock::time_point last_flush{};
-    std::atomic<size_t> last_cache_size{};
-    std::atomic_bool flush_in_flight{};
 
     Common::ThreadWorker workers;
     Common::ThreadWorker serialization_thread;

src/video_core/vulkan_common/vulkan_device.cpp

@@ -7,8 +7,6 @@
 #include <algorithm>
 #include <bitset>
 #include <chrono>
-#include <filesystem>
-#include <fstream>
 #include <optional>
 #include <thread>
 #include <ankerl/unordered_dense.h>
@@ -18,8 +16,6 @@
 #include <fmt/format.h>
 
 #include "common/assert.h"
-#include "common/fs/fs.h"
-#include "common/fs/path_util.h"
 #include "common/literals.h"
 #include <ranges>
 #include "common/settings.h"
@@ -397,17 +393,6 @@ std::vector<const char*> ExtensionListForVulkan(
     return output;
 }
 
-constexpr std::array<char, 8> STATIC_CACHE_MAGIC_NUMBER{'e', 'd', 'e', 'n', 's', 't', 'p', 'c'};
-constexpr u32 STATIC_CACHE_VERSION = 1;
-
-std::filesystem::path StaticPipelineCacheFilename() {
-    const auto shader_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::ShaderDir);
-    if (!Common::FS::CreateDir(shader_dir)) {
-        return {};
-    }
-    return shader_dir / "vulkan_static_pipelines.bin";
-}
-
 } // Anonymous namespace
 
 void Device::RemoveExtension(bool& extension, const std::string& extension_name) {
@@ -765,100 +750,15 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
 
     vk::Check(vmaCreateAllocator(&allocator_info, &allocator));
 
-    owns_static_pipeline_cache = surface != VkSurfaceKHR{};
-    LoadStaticPipelineCache();
-
     // Initialize GPU logging if enabled
     InitializeGPULogging();
 }
 
 Device::~Device() {
-    SaveStaticPipelineCache();
     ShutdownGPULogging();
     vmaDestroyAllocator(allocator);
 }
 
-void Device::LoadStaticPipelineCache() {
-    const auto create = [this](size_t size, const void* data) {
-        static_pipeline_cache = logical.CreatePipelineCache({
-            .sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO,
-            .pNext = nullptr,
-            .flags = 0,
-            .initialDataSize = size,
-            .pInitialData = data,
-        });
-    };
-    if (!owns_static_pipeline_cache) {
-        create(0, nullptr);
-        return;
-    }
-    const auto filename = StaticPipelineCacheFilename();
-    if (filename.empty()) {
-        create(0, nullptr);
-        return;
-    }
-    std::vector<char> data;
-    try {
-        std::ifstream file(filename, std::ios::binary | std::ios::ate);
-        if (!file.is_open()) {
-            create(0, nullptr);
-            return;
-        }
-        file.exceptions(std::ifstream::failbit | std::ifstream::badbit);
-        const size_t total = static_cast<size_t>(file.tellg());
-        file.seekg(0, std::ios::beg);
-        std::array<char, 8> magic{};
-        u32 version{};
-        if (total < magic.size() + sizeof(version)) {
-            create(0, nullptr);
-            return;
-        }
-        file.read(magic.data(), magic.size())
-            .read(reinterpret_cast<char*>(&version), sizeof(version));
-        if (magic != STATIC_CACHE_MAGIC_NUMBER || version != STATIC_CACHE_VERSION) {
-            create(0, nullptr);
-            return;
-        }
-        data.resize(total - magic.size() - sizeof(version));
-        file.read(data.data(), static_cast<std::streamsize>(data.size()));
-    } catch (const std::ios_base::failure& e) {
-        create(0, nullptr);
-        return;
-    }
-    create(data.size(), data.empty() ? nullptr : data.data());
-}
-
-void Device::SaveStaticPipelineCache() const {
-    if (!owns_static_pipeline_cache || !static_pipeline_cache) {
-        return;
-    }
-    const auto filename = StaticPipelineCacheFilename();
-    if (filename.empty()) {
-        return;
-    }
-    size_t size = 0;
-    std::vector<char> data;
-    static_pipeline_cache.Read(&size, nullptr);
-    if (size == 0) {
-        return;
-    }
-    data.resize(size);
-    static_pipeline_cache.Read(&size, data.data());
-    try {
-        std::ofstream file(filename, std::ios::binary | std::ios::trunc);
-        file.exceptions(std::ofstream::failbit);
-        if (!file.is_open()) {
-            return;
-        }
-        file.write(STATIC_CACHE_MAGIC_NUMBER.data(), STATIC_CACHE_MAGIC_NUMBER.size())
-            .write(reinterpret_cast<const char*>(&STATIC_CACHE_VERSION),
-                   sizeof(STATIC_CACHE_VERSION))
-            .write(data.data(), static_cast<std::streamsize>(size));
-    } catch (const std::ios_base::failure& e) {
-        Common::FS::RemoveFile(filename);
-    }
-}
-
 VkFormat Device::GetSupportedFormat(VkFormat wanted_format, VkFormatFeatureFlags wanted_usage,
                                     FormatType format_type) const {
     if (IsFormatSupported(wanted_format, wanted_usage, format_type)) {

src/video_core/vulkan_common/vulkan_device.h

@@ -273,10 +273,6 @@ public:
         return physical;
     }
 
-    VkPipelineCache StaticPipelineCache() const noexcept {
-        return *static_pipeline_cache;
-    }
-
     /// Returns the main graphics queue.
     vk::Queue GetGraphicsQueue() const {
         return graphics_queue;
@@ -1131,9 +1127,6 @@ private:
     /// Returns true if the device natively supports blitting depth stencil images.
     bool TestDepthStencilBlits(VkFormat format) const;
 
-    void LoadStaticPipelineCache();
-    void SaveStaticPipelineCache() const;
-
 private:
     VkInstance instance;         ///< Vulkan instance.
     VmaAllocator allocator;      ///< VMA allocator.
@@ -1142,8 +1135,6 @@ private:
     vk::Device logical;          ///< Logical device.
     vk::Queue graphics_queue;    ///< Main graphics queue.
     vk::Queue present_queue;     ///< Main present queue.
-    vk::PipelineCache static_pipeline_cache;
-    bool owns_static_pipeline_cache{};
     u32 instance_version{};      ///< Vulkan instance version.
     u32 graphics_family{};       ///< Main graphics queue family index.
     u32 present_family{};        ///< Main present queue family index.

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;