Android 259

android: Fix extra stick setting default values

README.md

@@ -1,3 +1,18 @@
+| Pull Request | Commit | Title | Author | Merged? |
+|----|----|----|----|----|
+| [12461](https://github.com/yuzu-emu/yuzu//pull/12461) | [`2831f5dc6`](https://github.com/yuzu-emu/yuzu//pull/12461/files) | Rework Nvdec and VIC to fix out-of-order videos, and speed up decoding. | [Kelebek1](https://github.com/Kelebek1/) | Yes |
+| [12749](https://github.com/yuzu-emu/yuzu//pull/12749) | [`aad4b0d6f`](https://github.com/yuzu-emu/yuzu//pull/12749/files) | general: workarounds for SMMU syncing issues | [liamwhite](https://github.com/liamwhite/) | Yes |
+| [12982](https://github.com/yuzu-emu/yuzu//pull/12982) | [`ef5027712`](https://github.com/yuzu-emu/yuzu//pull/12982/files) | fs: Add FileSystemAccessor and use cmif serialization | [FearlessTobi](https://github.com/FearlessTobi/) | Yes |
+| [13000](https://github.com/yuzu-emu/yuzu//pull/13000) | [`461eaca7e`](https://github.com/yuzu-emu/yuzu//pull/13000/files) | device_memory_manager: skip unregistered interfaces on invalidate | [liamwhite](https://github.com/liamwhite/) | Yes |
+| [13075](https://github.com/yuzu-emu/yuzu//pull/13075) | [`f46dc3168`](https://github.com/yuzu-emu/yuzu//pull/13075/files) | shader_recompiler: throw on missing geometry streams in geometry shaders | [liamwhite](https://github.com/liamwhite/) | Yes |
+| [13096](https://github.com/yuzu-emu/yuzu//pull/13096) | [`0a8759057`](https://github.com/yuzu-emu/yuzu//pull/13096/files) | texture_cache: use two-pass collection for costly load resources | [liamwhite](https://github.com/liamwhite/) | Yes |
+| [13105](https://github.com/yuzu-emu/yuzu//pull/13105) | [`de5422b1f`](https://github.com/yuzu-emu/yuzu//pull/13105/files) | android: Misc controller fixes | [t895](https://github.com/t895/) | Yes |
+
+
+End of merge log. You can find the original README.md below the break.
+
+-----
+
 <!--
 SPDX-FileCopyrightText: 2018 yuzu Emulator Project
 SPDX-License-Identifier: GPL-2.0-or-later

externals/CMakeLists.txt

@@ -314,3 +314,10 @@ endif()
 if (NOT TARGET SimpleIni::SimpleIni)
     add_subdirectory(simpleini)
 endif()
+
+# sse2neon
+if (ARCHITECTURE_arm64 AND NOT TARGET sse2neon)
+    add_library(sse2neon INTERFACE)
+    target_include_directories(sse2neon INTERFACE sse2neon)
+endif()
+

src/CMakeLists.txt

@@ -164,6 +164,7 @@ else()
 
     if (MINGW)
         add_definitions(-DMINGW_HAS_SECURE_API)
+        add_compile_options("-msse4.1")
 
         if (MINGW_STATIC_BUILD)
             add_definitions(-DQT_STATICPLUGIN)

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/input/model/PlayerInput.kt

@@ -64,17 +64,17 @@ data class PlayerInput(
     fun hasMapping(): Boolean {
         var hasMapping = false
         buttons.forEach {
-            if (it != "[empty]") {
+            if (it != "[empty]" && it.isNotEmpty()) {
                 hasMapping = true
             }
         }
         analogs.forEach {
-            if (it != "[empty]") {
+            if (it != "[empty]" && it.isNotEmpty()) {
                 hasMapping = true
             }
         }
         motions.forEach {
-            if (it != "[empty]") {
+            if (it != "[empty]" && it.isNotEmpty()) {
                 hasMapping = true
             }
         }

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

@@ -6,7 +6,8 @@ package org.yuzu.yuzu_emu.features.settings.model
 import org.yuzu.yuzu_emu.utils.NativeConfig
 
 enum class StringSetting(override val key: String) : AbstractStringSetting {
-    DRIVER_PATH("driver_path");
+    DRIVER_PATH("driver_path"),
+    DEVICE_NAME("device_name");
 
     override fun getString(needsGlobal: Boolean): String = NativeConfig.getString(key, needsGlobal)
 

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

@@ -16,6 +16,7 @@ import org.yuzu.yuzu_emu.features.settings.model.ByteSetting
 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.utils.NativeConfig
 
 /**
@@ -75,6 +76,9 @@ abstract class SettingsItem(
         get() = NativeLibrary.isRunning() && !setting.global &&
             !NativeConfig.isPerGameConfigLoaded()
 
+    val clearable: Boolean
+        get() = !setting.global && NativeConfig.isPerGameConfigLoaded()
+
     companion object {
         const val TYPE_HEADER = 0
         const val TYPE_SWITCH = 1
@@ -87,6 +91,7 @@ abstract class SettingsItem(
         const val TYPE_INPUT = 8
         const val TYPE_INT_SINGLE_CHOICE = 9
         const val TYPE_INPUT_PROFILE = 10
+        const val TYPE_STRING_INPUT = 11
 
         const val FASTMEM_COMBINED = "fastmem_combined"
 
@@ -105,6 +110,7 @@ abstract class SettingsItem(
 
         // List of all general
         val settingsItems = HashMap<String, SettingsItem>().apply {
+            put(StringInputSetting(StringSetting.DEVICE_NAME, titleId = R.string.device_name))
             put(
                 SwitchSetting(
                     BooleanSetting.RENDERER_USE_SPEED_LIMIT,

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

@@ -0,0 +1,22 @@
+// SPDX-FileCopyrightText: 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.yuzu.yuzu_emu.features.settings.model.view
+
+import androidx.annotation.StringRes
+import org.yuzu.yuzu_emu.features.settings.model.AbstractStringSetting
+
+class StringInputSetting(
+    setting: AbstractStringSetting,
+    @StringRes titleId: Int = 0,
+    titleString: String = "",
+    @StringRes descriptionId: Int = 0,
+    descriptionString: String = ""
+) : SettingsItem(setting, titleId, titleString, descriptionId, descriptionString) {
+    override val type = TYPE_STRING_INPUT
+
+    fun getSelectedValue(needsGlobal: Boolean = false) = setting.getValueAsString(needsGlobal)
+
+    fun setSelectedValue(selection: String) =
+        (setting as AbstractStringSetting).setString(selection)
+}

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

@@ -85,6 +85,10 @@ class SettingsAdapter(
                 InputProfileViewHolder(ListItemSettingBinding.inflate(inflater), this)
             }
 
+            SettingsItem.TYPE_STRING_INPUT -> {
+                StringInputViewHolder(ListItemSettingBinding.inflate(inflater), this)
+            }
+
             else -> {
                 HeaderViewHolder(ListItemSettingsHeaderBinding.inflate(inflater), this)
             }
@@ -392,6 +396,15 @@ class SettingsAdapter(
         popup.show()
     }
 
+    fun onStringInputClick(item: StringInputSetting, position: Int) {
+        SettingsDialogFragment.newInstance(
+            settingsViewModel,
+            item,
+            SettingsItem.TYPE_STRING_INPUT,
+            position
+        ).show(fragment.childFragmentManager, SettingsDialogFragment.TAG)
+    }
+
     fun onLongClick(item: SettingsItem, position: Int): Boolean {
         SettingsDialogFragment.newInstance(
             settingsViewModel,

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

@@ -14,6 +14,7 @@ import androidx.fragment.app.activityViewModels
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.slider.Slider
 import org.yuzu.yuzu_emu.R
+import org.yuzu.yuzu_emu.databinding.DialogEditTextBinding
 import org.yuzu.yuzu_emu.databinding.DialogSliderBinding
 import org.yuzu.yuzu_emu.features.input.NativeInput
 import org.yuzu.yuzu_emu.features.input.model.AnalogDirection
@@ -23,6 +24,7 @@ import org.yuzu.yuzu_emu.features.settings.model.view.IntSingleChoiceSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.SettingsItem
 import org.yuzu.yuzu_emu.features.settings.model.view.SingleChoiceSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.SliderSetting
+import org.yuzu.yuzu_emu.features.settings.model.view.StringInputSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.StringSingleChoiceSetting
 import org.yuzu.yuzu_emu.utils.ParamPackage
 import org.yuzu.yuzu_emu.utils.collect
@@ -37,6 +39,7 @@ class SettingsDialogFragment : DialogFragment(), DialogInterface.OnClickListener
     private val settingsViewModel: SettingsViewModel by activityViewModels()
 
     private lateinit var sliderBinding: DialogSliderBinding
+    private lateinit var stringInputBinding: DialogEditTextBinding
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -131,6 +134,18 @@ class SettingsDialogFragment : DialogFragment(), DialogInterface.OnClickListener
                     .create()
             }
 
+            SettingsItem.TYPE_STRING_INPUT -> {
+                stringInputBinding = DialogEditTextBinding.inflate(layoutInflater)
+                val item = settingsViewModel.clickedItem as StringInputSetting
+                stringInputBinding.editText.setText(item.getSelectedValue())
+                MaterialAlertDialogBuilder(requireContext())
+                    .setTitle(item.title)
+                    .setView(stringInputBinding.root)
+                    .setPositiveButton(android.R.string.ok, this)
+                    .setNegativeButton(android.R.string.cancel, defaultCancelListener)
+                    .create()
+            }
+
             SettingsItem.TYPE_STRING_SINGLE_CHOICE -> {
                 val item = settingsViewModel.clickedItem as StringSingleChoiceSetting
                 MaterialAlertDialogBuilder(requireContext())
@@ -158,6 +173,7 @@ class SettingsDialogFragment : DialogFragment(), DialogInterface.OnClickListener
     ): View? {
         return when (type) {
             SettingsItem.TYPE_SLIDER -> sliderBinding.root
+            SettingsItem.TYPE_STRING_INPUT -> stringInputBinding.root
             else -> super.onCreateView(inflater, container, savedInstanceState)
         }
     }
@@ -200,6 +216,13 @@ class SettingsDialogFragment : DialogFragment(), DialogInterface.OnClickListener
                 val sliderSetting = settingsViewModel.clickedItem as SliderSetting
                 sliderSetting.setSelectedValue(settingsViewModel.sliderProgress.value)
             }
+
+            is StringInputSetting -> {
+                val stringInputSetting = settingsViewModel.clickedItem as StringInputSetting
+                stringInputSetting.setSelectedValue(
+                    (stringInputBinding.editText.text ?: "").toString()
+                )
+            }
         }
         closeDialog()
     }

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

@@ -23,6 +23,7 @@ import org.yuzu.yuzu_emu.features.settings.model.LongSetting
 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.view.*
 import org.yuzu.yuzu_emu.utils.InputHandler
 import org.yuzu.yuzu_emu.utils.NativeConfig
@@ -153,6 +154,7 @@ class SettingsFragmentPresenter(
 
     private fun addSystemSettings(sl: ArrayList<SettingsItem>) {
         sl.apply {
+            add(StringSetting.DEVICE_NAME.key)
             add(BooleanSetting.RENDERER_USE_SPEED_LIMIT.key)
             add(ShortSetting.RENDERER_SPEED_LIMIT.key)
             add(BooleanSetting.USE_DOCKED_MODE.key)
@@ -778,7 +780,7 @@ class SettingsFragmentPresenter(
         playerIndex: Int,
         paramName: String,
         stick: NativeAnalog,
-        defaultValue: Int
+        defaultValue: Float
     ): AbstractIntSetting =
         object : AbstractIntSetting {
             val params get() = NativeInput.getStickParam(playerIndex, stick)
@@ -786,7 +788,7 @@ class SettingsFragmentPresenter(
             override val key = ""
 
             override fun getInt(needsGlobal: Boolean): Int =
-                (params.get(paramName, 0.15f) * 100).toInt()
+                (params.get(paramName, defaultValue) * 100).toInt()
 
             override fun setInt(value: Int) {
                 val tempParams = params
@@ -794,12 +796,12 @@ class SettingsFragmentPresenter(
                 NativeInput.setStickParam(playerIndex, stick, tempParams)
             }
 
-            override val defaultValue = defaultValue
+            override val defaultValue = (defaultValue * 100).toInt()
 
             override fun getValueAsString(needsGlobal: Boolean): String =
                 getInt(needsGlobal).toString()
 
-            override fun reset() = setInt(defaultValue)
+            override fun reset() = setInt(this.defaultValue)
         }
 
     private fun getExtraStickSettings(
@@ -809,11 +811,11 @@ class SettingsFragmentPresenter(
         val stickIsController =
             NativeInput.isController(NativeInput.getStickParam(playerIndex, nativeAnalog))
         val modifierRangeSetting =
-            getStickIntSettingFromParam(playerIndex, "modifier_scale", nativeAnalog, 50)
+            getStickIntSettingFromParam(playerIndex, "modifier_scale", nativeAnalog, 0.5f)
         val stickRangeSetting =
-            getStickIntSettingFromParam(playerIndex, "range", nativeAnalog, 95)
+            getStickIntSettingFromParam(playerIndex, "range", nativeAnalog, 0.95f)
         val stickDeadzoneSetting =
-            getStickIntSettingFromParam(playerIndex, "deadzone", nativeAnalog, 15)
+            getStickIntSettingFromParam(playerIndex, "deadzone", nativeAnalog, 0.15f)
 
         val out = mutableListOf<SettingsItem>().apply {
             if (stickIsController) {

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

@@ -13,7 +13,6 @@ import org.yuzu.yuzu_emu.databinding.ListItemSettingBinding
 import org.yuzu.yuzu_emu.features.settings.model.view.DateTimeSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.SettingsItem
 import org.yuzu.yuzu_emu.features.settings.ui.SettingsAdapter
-import org.yuzu.yuzu_emu.utils.NativeConfig
 import org.yuzu.yuzu_emu.utils.ViewUtils.setVisible
 
 class DateTimeViewHolder(val binding: ListItemSettingBinding, adapter: SettingsAdapter) :
@@ -32,9 +31,7 @@ class DateTimeViewHolder(val binding: ListItemSettingBinding, adapter: SettingsA
         val dateFormatter = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM)
         binding.textSettingValue.text = dateFormatter.format(zonedTime)
 
-        binding.buttonClear.setVisible(
-            !setting.setting.global || NativeConfig.isPerGameConfigLoaded()
-        )
+        binding.buttonClear.setVisible(setting.clearable)
         binding.buttonClear.setOnClickListener {
             adapter.onClearClick(setting, bindingAdapterPosition)
         }

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

@@ -10,7 +10,6 @@ import org.yuzu.yuzu_emu.features.settings.model.view.SettingsItem
 import org.yuzu.yuzu_emu.features.settings.model.view.SingleChoiceSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.StringSingleChoiceSetting
 import org.yuzu.yuzu_emu.features.settings.ui.SettingsAdapter
-import org.yuzu.yuzu_emu.utils.NativeConfig
 import org.yuzu.yuzu_emu.utils.ViewUtils.setVisible
 
 class SingleChoiceViewHolder(val binding: ListItemSettingBinding, adapter: SettingsAdapter) :
@@ -48,9 +47,7 @@ class SingleChoiceViewHolder(val binding: ListItemSettingBinding, adapter: Setti
             binding.textSettingValue.setVisible(false)
         }
 
-        binding.buttonClear.setVisible(
-            !setting.setting.global || NativeConfig.isPerGameConfigLoaded()
-        )
+        binding.buttonClear.setVisible(setting.clearable)
         binding.buttonClear.setOnClickListener {
             adapter.onClearClick(setting, bindingAdapterPosition)
         }

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

@@ -9,7 +9,6 @@ import org.yuzu.yuzu_emu.databinding.ListItemSettingBinding
 import org.yuzu.yuzu_emu.features.settings.model.view.SettingsItem
 import org.yuzu.yuzu_emu.features.settings.model.view.SliderSetting
 import org.yuzu.yuzu_emu.features.settings.ui.SettingsAdapter
-import org.yuzu.yuzu_emu.utils.NativeConfig
 import org.yuzu.yuzu_emu.utils.ViewUtils.setVisible
 
 class SliderViewHolder(val binding: ListItemSettingBinding, adapter: SettingsAdapter) :
@@ -28,9 +27,7 @@ class SliderViewHolder(val binding: ListItemSettingBinding, adapter: SettingsAda
             setting.units
         )
 
-        binding.buttonClear.setVisible(
-            !setting.setting.global || NativeConfig.isPerGameConfigLoaded()
-        )
+        binding.buttonClear.setVisible(setting.clearable)
         binding.buttonClear.setOnClickListener {
             adapter.onClearClick(setting, bindingAdapterPosition)
         }

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

@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.yuzu.yuzu_emu.features.settings.ui.viewholder
+
+import android.view.View
+import org.yuzu.yuzu_emu.databinding.ListItemSettingBinding
+import org.yuzu.yuzu_emu.features.settings.model.view.SettingsItem
+import org.yuzu.yuzu_emu.features.settings.model.view.StringInputSetting
+import org.yuzu.yuzu_emu.features.settings.ui.SettingsAdapter
+import org.yuzu.yuzu_emu.utils.ViewUtils.setVisible
+
+class StringInputViewHolder(val binding: ListItemSettingBinding, adapter: SettingsAdapter) :
+    SettingViewHolder(binding.root, adapter) {
+    private lateinit var setting: StringInputSetting
+
+    override fun bind(item: SettingsItem) {
+        setting = item as StringInputSetting
+        binding.textSettingName.text = setting.title
+        binding.textSettingDescription.setVisible(setting.description.isNotEmpty())
+        binding.textSettingDescription.text = setting.description
+        binding.textSettingValue.setVisible(true)
+        binding.textSettingValue.text = setting.getSelectedValue()
+
+        binding.buttonClear.setVisible(setting.clearable)
+        binding.buttonClear.setOnClickListener {
+            adapter.onClearClick(setting, bindingAdapterPosition)
+        }
+
+        setStyle(setting.isEditable, binding)
+    }
+
+    override fun onClick(clicked: View) {
+        if (setting.isEditable) {
+            adapter.onStringInputClick(setting, bindingAdapterPosition)
+        }
+    }
+
+    override fun onLongClick(clicked: View): Boolean {
+        if (setting.isEditable) {
+            return adapter.onLongClick(setting, bindingAdapterPosition)
+        }
+        return false
+    }
+}

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

@@ -9,7 +9,6 @@ import org.yuzu.yuzu_emu.databinding.ListItemSettingSwitchBinding
 import org.yuzu.yuzu_emu.features.settings.model.view.SettingsItem
 import org.yuzu.yuzu_emu.features.settings.model.view.SwitchSetting
 import org.yuzu.yuzu_emu.features.settings.ui.SettingsAdapter
-import org.yuzu.yuzu_emu.utils.NativeConfig
 import org.yuzu.yuzu_emu.utils.ViewUtils.setVisible
 
 class SwitchSettingViewHolder(val binding: ListItemSettingSwitchBinding, adapter: SettingsAdapter) :
@@ -29,9 +28,7 @@ class SwitchSettingViewHolder(val binding: ListItemSettingSwitchBinding, adapter
             adapter.onBooleanClick(setting, binding.switchWidget.isChecked, bindingAdapterPosition)
         }
 
-        binding.buttonClear.setVisible(
-            !setting.setting.global || NativeConfig.isPerGameConfigLoaded()
-        )
+        binding.buttonClear.setVisible(setting.clearable)
         binding.buttonClear.setOnClickListener {
             adapter.onClearClick(setting, bindingAdapterPosition)
         }

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

@@ -810,7 +810,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                     }
             }
         }
-        binding.doneControlConfig.setVisible(false)
+        binding.doneControlConfig.setVisible(true)
         binding.surfaceInputOverlay.setIsInEditMode(true)
     }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/overlay/InputOverlay.kt

@@ -28,6 +28,7 @@ import org.yuzu.yuzu_emu.features.input.NativeInput
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.features.input.model.NativeAnalog
 import org.yuzu.yuzu_emu.features.input.model.NativeButton
+import org.yuzu.yuzu_emu.features.input.model.NpadStyleIndex
 import org.yuzu.yuzu_emu.features.settings.model.BooleanSetting
 import org.yuzu.yuzu_emu.features.settings.model.IntSetting
 import org.yuzu.yuzu_emu.overlay.model.OverlayControl
@@ -99,11 +100,9 @@ class InputOverlay(context: Context, attrs: AttributeSet?) :
         }
 
         var shouldUpdateView = false
-        val playerIndex =
-            if (NativeInput.isHandheldOnly()) {
-                NativeInput.ConsoleDevice
-            } else {
-                NativeInput.Player1Device
+        val playerIndex = when (NativeInput.getStyleIndex(0)) {
+            NpadStyleIndex.Handheld -> 8
+            else -> 0
         }
 
         for (button in overlayButtons) {
@@ -664,7 +663,7 @@ class InputOverlay(context: Context, attrs: AttributeSet?) :
 
         val overlayControlData = NativeConfig.getOverlayControlData()
         overlayControlData.forEach {
-            it.enabled = OverlayControl.from(it.id)?.defaultVisibility == false
+            it.enabled = OverlayControl.from(it.id)?.defaultVisibility == true
         }
         NativeConfig.setOverlayControlData(overlayControlData)
 

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

@@ -292,6 +292,9 @@ void EmulationSession::ShutdownEmulation() {
     // Unload user input.
     m_system.HIDCore().UnloadInputDevices();
 
+    // Enable all controllers
+    m_system.HIDCore().SetSupportedStyleTag({Core::HID::NpadStyleSet::All});
+
     // Shutdown the main emulated process
     if (m_load_result == Core::SystemResultStatus::Success) {
         m_system.DetachDebugger();
@@ -404,7 +407,9 @@ static Core::SystemResultStatus RunEmulation(const std::string& filepath,
                                              const size_t program_index,
                                              const bool frontend_initiated) {
     MicroProfileOnThreadCreate("EmuThread");
-    SCOPE_EXIT({ MicroProfileShutdown(); });
+    SCOPE_EXIT {
+        MicroProfileShutdown();
+    };
 
     LOG_INFO(Frontend, "starting");
 
@@ -413,7 +418,9 @@ static Core::SystemResultStatus RunEmulation(const std::string& filepath,
         return Core::SystemResultStatus::ErrorLoader;
     }
 
-    SCOPE_EXIT({ EmulationSession::GetInstance().ShutdownEmulation(); });
+    SCOPE_EXIT {
+        EmulationSession::GetInstance().ShutdownEmulation();
+    };
 
     jconst result = EmulationSession::GetInstance().InitializeEmulation(filepath, program_index,
                                                                         frontend_initiated);

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

@@ -102,8 +102,50 @@ void ApplyControllerConfig(size_t player_index,
     }
 }
 
+std::vector<s32> GetSupportedStyles(int player_index) {
+    auto& hid_core = EmulationSession::GetInstance().System().HIDCore();
+    const auto npad_style_set = hid_core.GetSupportedStyleTag();
+    std::vector<s32> supported_indexes;
+    if (npad_style_set.fullkey == 1) {
+        supported_indexes.push_back(static_cast<s32>(Core::HID::NpadStyleIndex::Fullkey));
+    }
+
+    if (npad_style_set.joycon_dual == 1) {
+        supported_indexes.push_back(static_cast<s32>(Core::HID::NpadStyleIndex::JoyconDual));
+    }
+
+    if (npad_style_set.joycon_left == 1) {
+        supported_indexes.push_back(static_cast<s32>(Core::HID::NpadStyleIndex::JoyconLeft));
+    }
+
+    if (npad_style_set.joycon_right == 1) {
+        supported_indexes.push_back(static_cast<s32>(Core::HID::NpadStyleIndex::JoyconRight));
+    }
+
+    if (player_index == 0 && npad_style_set.handheld == 1) {
+        supported_indexes.push_back(static_cast<s32>(Core::HID::NpadStyleIndex::Handheld));
+    }
+
+    if (npad_style_set.gamecube == 1) {
+        supported_indexes.push_back(static_cast<s32>(Core::HID::NpadStyleIndex::GameCube));
+    }
+
+    return supported_indexes;
+}
+
 void ConnectController(size_t player_index, bool connected) {
     auto& hid_core = EmulationSession::GetInstance().System().HIDCore();
+    ApplyControllerConfig(player_index, [&](Core::HID::EmulatedController* controller) {
+        auto supported_styles = GetSupportedStyles(player_index);
+        auto controller_style = controller->GetNpadStyleIndex(true);
+        auto style = std::find(supported_styles.begin(), supported_styles.end(),
+                               static_cast<int>(controller_style));
+        if (style == supported_styles.end() && !supported_styles.empty()) {
+            controller->SetNpadStyleIndex(
+                static_cast<Core::HID::NpadStyleIndex>(supported_styles[0]));
+        }
+    });
+
     if (player_index == 0) {
         auto* handheld = hid_core.GetEmulatedController(Core::HID::NpadIdType::Handheld);
         auto* player_one = hid_core.GetEmulatedController(Core::HID::NpadIdType::Player1);
@@ -522,36 +564,10 @@ jint Java_org_yuzu_yuzu_1emu_features_input_NativeInput_getButtonNameImpl(JNIEnv
 
 jintArray Java_org_yuzu_yuzu_1emu_features_input_NativeInput_getSupportedStyleTagsImpl(
     JNIEnv* env, jobject j_obj, jint j_player_index) {
-    auto& hid_core = EmulationSession::GetInstance().System().HIDCore();
-    const auto npad_style_set = hid_core.GetSupportedStyleTag();
-    std::vector<s32> supported_indexes;
-    if (npad_style_set.fullkey == 1) {
-        supported_indexes.push_back(static_cast<u32>(Core::HID::NpadStyleIndex::Fullkey));
-    }
-
-    if (npad_style_set.joycon_dual == 1) {
-        supported_indexes.push_back(static_cast<u32>(Core::HID::NpadStyleIndex::JoyconDual));
-    }
-
-    if (npad_style_set.joycon_left == 1) {
-        supported_indexes.push_back(static_cast<u32>(Core::HID::NpadStyleIndex::JoyconLeft));
-    }
-
-    if (npad_style_set.joycon_right == 1) {
-        supported_indexes.push_back(static_cast<u32>(Core::HID::NpadStyleIndex::JoyconRight));
-    }
-
-    if (j_player_index == 0 && npad_style_set.handheld == 1) {
-        supported_indexes.push_back(static_cast<u32>(Core::HID::NpadStyleIndex::Handheld));
-    }
-
-    if (npad_style_set.gamecube == 1) {
-        supported_indexes.push_back(static_cast<u32>(Core::HID::NpadStyleIndex::GameCube));
-    }
-
-    jintArray j_supported_indexes = env->NewIntArray(supported_indexes.size());
-    env->SetIntArrayRegion(j_supported_indexes, 0, supported_indexes.size(),
-                           supported_indexes.data());
+    auto supported_styles = GetSupportedStyles(j_player_index);
+    jintArray j_supported_indexes = env->NewIntArray(supported_styles.size());
+    env->SetIntArrayRegion(j_supported_indexes, 0, supported_styles.size(),
+                           supported_styles.data());
     return j_supported_indexes;
 }
 

src/android/app/src/main/res/values/strings.xml

@@ -209,6 +209,7 @@
     <string name="value_with_units">%1$s%2$s</string>
 
     <!-- System settings strings -->
+    <string name="device_name">Device name</string>
     <string name="use_docked_mode">Docked Mode</string>
     <string name="use_docked_mode_description">Increases resolution, decreasing performance. Handheld Mode is used when disabled, lowering resolution and increasing performance.</string>
     <string name="emulated_region">Emulated region</string>

src/audio_core/sink/cubeb_sink.cpp

@@ -357,7 +357,9 @@ bool IsCubebSuitable() {
         return false;
     }
 
-    SCOPE_EXIT({ cubeb_destroy(ctx); });
+    SCOPE_EXIT {
+        cubeb_destroy(ctx);
+    };
 
 #ifdef _WIN32
     if (SUCCEEDED(com_init_result)) {

src/audio_core/sink/sink_stream.cpp

@@ -20,10 +20,10 @@
 namespace AudioCore::Sink {
 
 void SinkStream::AppendBuffer(SinkBuffer& buffer, std::span<s16> samples) {
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         queue.enqueue(buffer);
         ++queued_buffers;
-    });
+    };
 
     if (type == StreamType::In) {
         return;

src/common/demangle.cpp

@@ -20,7 +20,9 @@ std::string DemangleSymbol(const std::string& mangled) {
     }
 
     char* demangled = nullptr;
-    SCOPE_EXIT({ std::free(demangled); });
+    SCOPE_EXIT {
+        std::free(demangled);
+    };
 
     if (is_itanium(mangled)) {
         demangled = llvm::itaniumDemangle(mangled.c_str());

src/common/host_memory.cpp

@@ -430,11 +430,11 @@ public:
     explicit Impl(size_t backing_size_, size_t virtual_size_)
         : backing_size{backing_size_}, virtual_size{virtual_size_} {
         bool good = false;
-        SCOPE_EXIT({
+        SCOPE_EXIT {
             if (!good) {
                 Release();
             }
-        });
+        };
 
         long page_size = sysconf(_SC_PAGESIZE);
         if (page_size != 0x1000) {

src/common/page_table.cpp

@@ -24,10 +24,10 @@ bool PageTable::ContinueTraversal(TraversalEntry* out_entry, TraversalContext* c
     out_entry->block_size = page_size;
 
     // Regardless of whether the page was mapped, advance on exit.
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         context->next_page += 1;
         context->next_offset += page_size;
-    });
+    };
 
     // Validate that we can read the actual entry.
     const auto page = context->next_page;

src/common/scope_exit.h

@@ -7,29 +7,61 @@
 #include "common/common_funcs.h"
 
 namespace detail {
-template <typename Func>
-struct ScopeExitHelper {
-    explicit ScopeExitHelper(Func&& func_) : func(std::move(func_)) {}
-    ~ScopeExitHelper() {
-        if (active) {
-            func();
-        }
-    }
+template <class F>
+class ScopeGuard {
+    YUZU_NON_COPYABLE(ScopeGuard);
 
-    void Cancel() {
+private:
+    F f;
+    bool active;
+
+public:
+    constexpr ScopeGuard(F f_) : f(std::move(f_)), active(true) {}
+    constexpr ~ScopeGuard() {
+        if (active) {
+            f();
+        }
+    }
+    constexpr void Cancel() {
         active = false;
     }
 
-    Func func;
-    bool active{true};
+    constexpr ScopeGuard(ScopeGuard&& rhs) : f(std::move(rhs.f)), active(rhs.active) {
+        rhs.Cancel();
+    }
+
+    ScopeGuard& operator=(ScopeGuard&& rhs) = delete;
 };
 
-template <typename Func>
-ScopeExitHelper<Func> ScopeExit(Func&& func) {
-    return ScopeExitHelper<Func>(std::forward<Func>(func));
+template <class F>
+constexpr ScopeGuard<F> MakeScopeGuard(F f) {
+    return ScopeGuard<F>(std::move(f));
 }
+
+enum class ScopeGuardOnExit {};
+
+template <typename F>
+constexpr ScopeGuard<F> operator+(ScopeGuardOnExit, F&& f) {
+    return ScopeGuard<F>(std::forward<F>(f));
+}
+
 } // namespace detail
 
+#define CONCATENATE_IMPL(s1, s2) s1##s2
+#define CONCATENATE(s1, s2) CONCATENATE_IMPL(s1, s2)
+
+#ifdef __COUNTER__
+#define ANONYMOUS_VARIABLE(pref) CONCATENATE(pref, __COUNTER__)
+#else
+#define ANONYMOUS_VARIABLE(pref) CONCATENATE(pref, __LINE__)
+#endif
+
+/**
+ * This macro is similar to SCOPE_EXIT, except the object is caller managed. This is intended to be
+ * used when the caller might want to cancel the ScopeExit.
+ */
+#define SCOPE_GUARD detail::ScopeGuardOnExit() + [&]()
+
 /**
  * This macro allows you to conveniently specify a block of code that will run on scope exit. Handy
  * for doing ad-hoc clean-up tasks in a function with multiple returns.
@@ -38,7 +70,7 @@ ScopeExitHelper<Func> ScopeExit(Func&& func) {
  * \code
  * const int saved_val = g_foo;
  * g_foo = 55;
- * SCOPE_EXIT({ g_foo = saved_val; });
+ * SCOPE_EXIT{ g_foo = saved_val; };
  *
  * if (Bar()) {
  *     return 0;
@@ -47,10 +79,4 @@ ScopeExitHelper<Func> ScopeExit(Func&& func) {
  * }
  * \endcode
  */
-#define SCOPE_EXIT(body) auto CONCAT2(scope_exit_helper_, __LINE__) = detail::ScopeExit([&]() body)
-
-/**
- * This macro is similar to SCOPE_EXIT, except the object is caller managed. This is intended to be
- * used when the caller might want to cancel the ScopeExit.
- */
-#define SCOPE_GUARD(body) detail::ScopeExit([&]() body)
+#define SCOPE_EXIT auto ANONYMOUS_VARIABLE(SCOPE_EXIT_STATE_) = SCOPE_GUARD

src/core/CMakeLists.txt

@@ -2,8 +2,8 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 add_library(core STATIC
-    arm/arm_interface.h
     arm/arm_interface.cpp
+    arm/arm_interface.h
     arm/debug.cpp
     arm/debug.h
     arm/exclusive_monitor.cpp
@@ -37,10 +37,10 @@ add_library(core STATIC
     debugger/gdbstub.h
     debugger/gdbstub_arch.cpp
     debugger/gdbstub_arch.h
-    device_memory_manager.h
-    device_memory_manager.inc
     device_memory.cpp
     device_memory.h
+    device_memory_manager.h
+    device_memory_manager.inc
     file_sys/bis_factory.cpp
     file_sys/bis_factory.h
     file_sys/card_image.cpp
@@ -59,8 +59,12 @@ add_library(core STATIC
     file_sys/fs_path.h
     file_sys/fs_path_utility.h
     file_sys/fs_string_util.h
+    file_sys/fsa/fs_i_directory.h
+    file_sys/fsa/fs_i_file.h
+    file_sys/fsa/fs_i_filesystem.h
     file_sys/fsmitm_romfsbuild.cpp
     file_sys/fsmitm_romfsbuild.h
+    file_sys/fssrv/fssrv_sf_path.h
     file_sys/fssystem/fs_i_storage.h
     file_sys/fssystem/fs_types.h
     file_sys/fssystem/fssystem_aes_ctr_counter_extended_storage.cpp
@@ -390,6 +394,20 @@ add_library(core STATIC
     hle/service/acc/errors.h
     hle/service/acc/profile_manager.cpp
     hle/service/acc/profile_manager.h
+    hle/service/am/am.cpp
+    hle/service/am/am.h
+    hle/service/am/am_results.h
+    hle/service/am/am_types.h
+    hle/service/am/applet.cpp
+    hle/service/am/applet.h
+    hle/service/am/applet_data_broker.cpp
+    hle/service/am/applet_data_broker.h
+    hle/service/am/applet_manager.cpp
+    hle/service/am/applet_manager.h
+    hle/service/am/applet_message_queue.cpp
+    hle/service/am/applet_message_queue.h
+    hle/service/am/display_layer_manager.cpp
+    hle/service/am/display_layer_manager.h
     hle/service/am/frontend/applet_cabinet.cpp
     hle/service/am/frontend/applet_cabinet.h
     hle/service/am/frontend/applet_controller.cpp
@@ -411,24 +429,10 @@ add_library(core STATIC
     hle/service/am/frontend/applet_web_browser_types.h
     hle/service/am/frontend/applets.cpp
     hle/service/am/frontend/applets.h
-    hle/service/am/am.cpp
-    hle/service/am/am.h
-    hle/service/am/am_results.h
-    hle/service/am/am_types.h
-    hle/service/am/applet.cpp
-    hle/service/am/applet.h
-    hle/service/am/applet_manager.cpp
-    hle/service/am/applet_data_broker.cpp
-    hle/service/am/applet_data_broker.h
-    hle/service/am/applet_manager.h
-    hle/service/am/applet_message_queue.cpp
-    hle/service/am/applet_message_queue.h
     hle/service/am/hid_registration.cpp
     hle/service/am/hid_registration.h
     hle/service/am/library_applet_storage.cpp
     hle/service/am/library_applet_storage.h
-    hle/service/am/managed_layer_holder.cpp
-    hle/service/am/managed_layer_holder.h
     hle/service/am/process.cpp
     hle/service/am/process.h
     hle/service/am/service/all_system_applet_proxies_service.cpp
@@ -441,10 +445,10 @@ add_library(core STATIC
     hle/service/am/service/application_creator.h
     hle/service/am/service/application_functions.cpp
     hle/service/am/service/application_functions.h
-    hle/service/am/service/application_proxy_service.cpp
-    hle/service/am/service/application_proxy_service.h
     hle/service/am/service/application_proxy.cpp
     hle/service/am/service/application_proxy.h
+    hle/service/am/service/application_proxy_service.cpp
+    hle/service/am/service/application_proxy_service.h
     hle/service/am/service/audio_controller.cpp
     hle/service/am/service/audio_controller.h
     hle/service/am/service/common_state_getter.cpp
@@ -473,16 +477,14 @@ add_library(core STATIC
     hle/service/am/service/process_winding_controller.h
     hle/service/am/service/self_controller.cpp
     hle/service/am/service/self_controller.h
-    hle/service/am/service/storage_accessor.cpp
-    hle/service/am/service/storage_accessor.h
     hle/service/am/service/storage.cpp
     hle/service/am/service/storage.h
+    hle/service/am/service/storage_accessor.cpp
+    hle/service/am/service/storage_accessor.h
     hle/service/am/service/system_applet_proxy.cpp
     hle/service/am/service/system_applet_proxy.h
     hle/service/am/service/window_controller.cpp
     hle/service/am/service/window_controller.h
-    hle/service/am/system_buffer_manager.cpp
-    hle/service/am/system_buffer_manager.h
     hle/service/aoc/aoc_u.cpp
     hle/service/aoc/aoc_u.h
     hle/service/apm/apm.cpp
@@ -510,18 +512,6 @@ add_library(core STATIC
     hle/service/audio/hwopus.h
     hle/service/bcat/backend/backend.cpp
     hle/service/bcat/backend/backend.h
-    hle/service/bcat/news/newly_arrived_event_holder.cpp
-    hle/service/bcat/news/newly_arrived_event_holder.h
-    hle/service/bcat/news/news_data_service.cpp
-    hle/service/bcat/news/news_data_service.h
-    hle/service/bcat/news/news_database_service.cpp
-    hle/service/bcat/news/news_database_service.h
-    hle/service/bcat/news/news_service.cpp
-    hle/service/bcat/news/news_service.h
-    hle/service/bcat/news/overwrite_event_holder.cpp
-    hle/service/bcat/news/overwrite_event_holder.h
-    hle/service/bcat/news/service_creator.cpp
-    hle/service/bcat/news/service_creator.h
     hle/service/bcat/bcat.cpp
     hle/service/bcat/bcat.h
     hle/service/bcat/bcat_result.h
@@ -537,6 +527,18 @@ add_library(core STATIC
     hle/service/bcat/delivery_cache_progress_service.h
     hle/service/bcat/delivery_cache_storage_service.cpp
     hle/service/bcat/delivery_cache_storage_service.h
+    hle/service/bcat/news/newly_arrived_event_holder.cpp
+    hle/service/bcat/news/newly_arrived_event_holder.h
+    hle/service/bcat/news/news_data_service.cpp
+    hle/service/bcat/news/news_data_service.h
+    hle/service/bcat/news/news_database_service.cpp
+    hle/service/bcat/news/news_database_service.h
+    hle/service/bcat/news/news_service.cpp
+    hle/service/bcat/news/news_service.h
+    hle/service/bcat/news/overwrite_event_holder.cpp
+    hle/service/bcat/news/overwrite_event_holder.h
+    hle/service/bcat/news/service_creator.cpp
+    hle/service/bcat/news/service_creator.h
     hle/service/bcat/service_creator.cpp
     hle/service/bcat/service_creator.h
     hle/service/bpc/bpc.cpp
@@ -545,6 +547,16 @@ add_library(core STATIC
     hle/service/btdrv/btdrv.h
     hle/service/btm/btm.cpp
     hle/service/btm/btm.h
+    hle/service/btm/btm_debug.cpp
+    hle/service/btm/btm_debug.h
+    hle/service/btm/btm_system.cpp
+    hle/service/btm/btm_system.h
+    hle/service/btm/btm_system_core.cpp
+    hle/service/btm/btm_system_core.h
+    hle/service/btm/btm_user.cpp
+    hle/service/btm/btm_user.h
+    hle/service/btm/btm_user_core.cpp
+    hle/service/btm/btm_user_core.h
     hle/service/caps/caps.cpp
     hle/service/caps/caps.h
     hle/service/caps/caps_a.cpp
@@ -600,8 +612,6 @@ add_library(core STATIC
     hle/service/filesystem/romfs_controller.h
     hle/service/filesystem/save_data_controller.cpp
     hle/service/filesystem/save_data_controller.h
-    hle/service/fgm/fgm.cpp
-    hle/service/fgm/fgm.h
     hle/service/friend/friend.cpp
     hle/service/friend/friend.h
     hle/service/friend/friend_interface.cpp
@@ -739,15 +749,48 @@ add_library(core STATIC
     hle/service/nim/nim.h
     hle/service/npns/npns.cpp
     hle/service/npns/npns.h
-    hle/service/ns/errors.h
-    hle/service/ns/iplatform_service_manager.cpp
-    hle/service/ns/iplatform_service_manager.h
+    hle/service/ns/account_proxy_interface.cpp
+    hle/service/ns/account_proxy_interface.h
+    hle/service/ns/application_manager_interface.cpp
+    hle/service/ns/application_manager_interface.h
+    hle/service/ns/application_version_interface.cpp
+    hle/service/ns/application_version_interface.h
+    hle/service/ns/content_management_interface.cpp
+    hle/service/ns/content_management_interface.h
+    hle/service/ns/develop_interface.cpp
+    hle/service/ns/develop_interface.h
+    hle/service/ns/document_interface.cpp
+    hle/service/ns/document_interface.h
+    hle/service/ns/download_task_interface.cpp
+    hle/service/ns/download_task_interface.h
+    hle/service/ns/dynamic_rights_interface.cpp
+    hle/service/ns/dynamic_rights_interface.h
+    hle/service/ns/ecommerce_interface.cpp
+    hle/service/ns/ecommerce_interface.h
+    hle/service/ns/factory_reset_interface.cpp
+    hle/service/ns/factory_reset_interface.h
     hle/service/ns/language.cpp
     hle/service/ns/language.h
     hle/service/ns/ns.cpp
     hle/service/ns/ns.h
-    hle/service/ns/pdm_qry.cpp
-    hle/service/ns/pdm_qry.h
+    hle/service/ns/ns_results.h
+    hle/service/ns/ns_types.h
+    hle/service/ns/platform_service_manager.cpp
+    hle/service/ns/platform_service_manager.h
+    hle/service/ns/query_service.cpp
+    hle/service/ns/query_service.h
+    hle/service/ns/read_only_application_control_data_interface.cpp
+    hle/service/ns/read_only_application_control_data_interface.h
+    hle/service/ns/read_only_application_record_interface.cpp
+    hle/service/ns/read_only_application_record_interface.h
+    hle/service/ns/service_getter_interface.cpp
+    hle/service/ns/service_getter_interface.h
+    hle/service/ns/system_update_control.cpp
+    hle/service/ns/system_update_control.h
+    hle/service/ns/system_update_interface.cpp
+    hle/service/ns/system_update_interface.h
+    hle/service/ns/vulnerability_manager_interface.cpp
+    hle/service/ns/vulnerability_manager_interface.h
     hle/service/nvdrv/core/container.cpp
     hle/service/nvdrv/core/container.h
     hle/service/nvdrv/core/heap_mapper.cpp
@@ -800,14 +843,14 @@ add_library(core STATIC
     hle/service/nvnflinger/consumer_base.cpp
     hle/service/nvnflinger/consumer_base.h
     hle/service/nvnflinger/consumer_listener.h
-    hle/service/nvnflinger/fb_share_buffer_manager.cpp
-    hle/service/nvnflinger/fb_share_buffer_manager.h
     hle/service/nvnflinger/graphic_buffer_producer.cpp
     hle/service/nvnflinger/graphic_buffer_producer.h
-    hle/service/nvnflinger/hos_binder_driver_server.cpp
-    hle/service/nvnflinger/hos_binder_driver_server.h
     hle/service/nvnflinger/hardware_composer.cpp
     hle/service/nvnflinger/hardware_composer.h
+    hle/service/nvnflinger/hos_binder_driver.cpp
+    hle/service/nvnflinger/hos_binder_driver.h
+    hle/service/nvnflinger/hos_binder_driver_server.cpp
+    hle/service/nvnflinger/hos_binder_driver_server.h
     hle/service/nvnflinger/hwc_layer.h
     hle/service/nvnflinger/nvnflinger.cpp
     hle/service/nvnflinger/nvnflinger.h
@@ -815,6 +858,8 @@ add_library(core STATIC
     hle/service/nvnflinger/pixel_format.h
     hle/service/nvnflinger/producer_listener.h
     hle/service/nvnflinger/status.h
+    hle/service/nvnflinger/surface_flinger.cpp
+    hle/service/nvnflinger/surface_flinger.h
     hle/service/nvnflinger/ui/fence.h
     hle/service/nvnflinger/ui/graphic_buffer.cpp
     hle/service/nvnflinger/ui/graphic_buffer.h
@@ -831,11 +876,11 @@ add_library(core STATIC
     hle/service/omm/power_state_interface.h
     hle/service/os/event.cpp
     hle/service/os/event.h
+    hle/service/os/multi_wait.cpp
+    hle/service/os/multi_wait.h
     hle/service/os/multi_wait_holder.cpp
     hle/service/os/multi_wait_holder.h
     hle/service/os/multi_wait_utils.h
-    hle/service/os/multi_wait.cpp
-    hle/service/os/multi_wait.h
     hle/service/os/mutex.cpp
     hle/service/os/mutex.h
     hle/service/pcie/pcie.cpp
@@ -873,15 +918,17 @@ add_library(core STATIC
     hle/service/psc/time/common.cpp
     hle/service/psc/time/common.h
     hle/service/psc/time/errors.h
-    hle/service/psc/time/shared_memory.cpp
-    hle/service/psc/time/shared_memory.h
-    hle/service/psc/time/static.cpp
-    hle/service/psc/time/static.h
     hle/service/psc/time/manager.h
+    hle/service/psc/time/power_state_request_manager.cpp
+    hle/service/psc/time/power_state_request_manager.h
     hle/service/psc/time/power_state_service.cpp
     hle/service/psc/time/power_state_service.h
     hle/service/psc/time/service_manager.cpp
     hle/service/psc/time/service_manager.h
+    hle/service/psc/time/shared_memory.cpp
+    hle/service/psc/time/shared_memory.h
+    hle/service/psc/time/static.cpp
+    hle/service/psc/time/static.h
     hle/service/psc/time/steady_clock.cpp
     hle/service/psc/time/steady_clock.h
     hle/service/psc/time/system_clock.cpp
@@ -890,8 +937,6 @@ add_library(core STATIC
     hle/service/psc/time/time_zone.h
     hle/service/psc/time/time_zone_service.cpp
     hle/service/psc/time/time_zone_service.h
-    hle/service/psc/time/power_state_request_manager.cpp
-    hle/service/psc/time/power_state_request_manager.h
     hle/service/ptm/psm.cpp
     hle/service/ptm/psm.h
     hle/service/ptm/ptm.cpp
@@ -908,19 +953,21 @@ add_library(core STATIC
     hle/service/server_manager.h
     hle/service/service.cpp
     hle/service/service.h
-    hle/service/set/setting_formats/appln_settings.cpp
-    hle/service/set/setting_formats/appln_settings.h
-    hle/service/set/setting_formats/device_settings.cpp
-    hle/service/set/setting_formats/device_settings.h
-    hle/service/set/setting_formats/system_settings.cpp
-    hle/service/set/setting_formats/system_settings.h
-    hle/service/set/setting_formats/private_settings.cpp
-    hle/service/set/setting_formats/private_settings.h
+    hle/service/services.cpp
+    hle/service/services.h
     hle/service/set/factory_settings_server.cpp
     hle/service/set/factory_settings_server.h
     hle/service/set/firmware_debug_settings_server.cpp
     hle/service/set/firmware_debug_settings_server.h
     hle/service/set/key_code_map.h
+    hle/service/set/setting_formats/appln_settings.cpp
+    hle/service/set/setting_formats/appln_settings.h
+    hle/service/set/setting_formats/device_settings.cpp
+    hle/service/set/setting_formats/device_settings.h
+    hle/service/set/setting_formats/private_settings.cpp
+    hle/service/set/setting_formats/private_settings.h
+    hle/service/set/setting_formats/system_settings.cpp
+    hle/service/set/setting_formats/system_settings.h
     hle/service/set/settings.cpp
     hle/service/set/settings.h
     hle/service/set/settings_server.cpp
@@ -955,30 +1002,36 @@ add_library(core STATIC
     hle/service/ssl/ssl_backend.h
     hle/service/usb/usb.cpp
     hle/service/usb/usb.h
-    hle/service/vi/display/vi_display.cpp
-    hle/service/vi/display/vi_display.h
-    hle/service/vi/layer/vi_layer.cpp
-    hle/service/vi/layer/vi_layer.h
     hle/service/vi/application_display_service.cpp
     hle/service/vi/application_display_service.h
     hle/service/vi/application_root_service.cpp
     hle/service/vi/application_root_service.h
-    hle/service/vi/hos_binder_driver.cpp
-    hle/service/vi/hos_binder_driver.h
+    hle/service/vi/conductor.cpp
+    hle/service/vi/conductor.h
+    hle/service/vi/container.cpp
+    hle/service/vi/container.h
+    hle/service/vi/display.h
+    hle/service/vi/display_list.h
+    hle/service/vi/layer.h
+    hle/service/vi/layer_list.h
     hle/service/vi/manager_display_service.cpp
     hle/service/vi/manager_display_service.h
     hle/service/vi/manager_root_service.cpp
     hle/service/vi/manager_root_service.h
     hle/service/vi/service_creator.cpp
     hle/service/vi/service_creator.h
+    hle/service/vi/shared_buffer_manager.cpp
+    hle/service/vi/shared_buffer_manager.h
     hle/service/vi/system_display_service.cpp
     hle/service/vi/system_display_service.h
     hle/service/vi/system_root_service.cpp
     hle/service/vi/system_root_service.h
-    hle/service/vi/vi_results.h
-    hle/service/vi/vi_types.h
     hle/service/vi/vi.cpp
     hle/service/vi/vi.h
+    hle/service/vi/vi_results.h
+    hle/service/vi/vi_types.h
+    hle/service/vi/vsync_manager.cpp
+    hle/service/vi/vsync_manager.h
     internal_network/network.cpp
     internal_network/network.h
     internal_network/network_interface.cpp

src/core/core.cpp

@@ -47,6 +47,7 @@
 #include "core/hle/service/psc/time/system_clock.h"
 #include "core/hle/service/psc/time/time_zone_service.h"
 #include "core/hle/service/service.h"
+#include "core/hle/service/services.h"
 #include "core/hle/service/set/system_settings_server.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/internal_network/network.h"
@@ -310,7 +311,8 @@ struct System::Impl {
         audio_core = std::make_unique<AudioCore::AudioCore>(system);
 
         service_manager = std::make_shared<Service::SM::ServiceManager>(kernel);
-        services = std::make_unique<Service::Services>(service_manager, system);
+        services =
+            std::make_unique<Service::Services>(service_manager, system, stop_event.get_token());
 
         is_powered_on = true;
         exit_locked = false;
@@ -458,11 +460,10 @@ struct System::Impl {
             gpu_core->NotifyShutdown();
         }
 
+        stop_event.request_stop();
+        core_timing.SyncPause(false);
         Network::CancelPendingSocketOperations();
         kernel.SuspendEmulation(true);
-        if (services) {
-            services->KillNVNFlinger();
-        }
         kernel.CloseServices();
         kernel.ShutdownCores();
         applet_manager.Reset();
@@ -480,6 +481,7 @@ struct System::Impl {
         cpu_manager.Shutdown();
         debugger.reset();
         kernel.Shutdown();
+        stop_event = {};
         Network::RestartSocketOperations();
 
         if (auto room_member = room_network.GetRoomMember().lock()) {
@@ -615,6 +617,7 @@ struct System::Impl {
 
     ExecuteProgramCallback execute_program_callback;
     ExitCallback exit_callback;
+    std::stop_source stop_event;
 
     std::array<u64, Core::Hardware::NUM_CPU_CORES> dynarmic_ticks{};
     std::array<MicroProfileToken, Core::Hardware::NUM_CPU_CORES> microprofile_cpu{};

src/core/cpu_manager.cpp

@@ -199,10 +199,10 @@ void CpuManager::RunThread(std::stop_token token, std::size_t core) {
     data.host_context = Common::Fiber::ThreadToFiber();
 
     // Cleanup
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         data.host_context->Exit();
         MicroProfileOnThreadExit();
-    });
+    };
 
     // Running
     if (!gpu_barrier->Sync(token)) {

src/core/device_memory_manager.h

@@ -43,6 +43,8 @@ public:
     DeviceMemoryManager(const DeviceMemory& device_memory);
     ~DeviceMemoryManager();
 
+    static constexpr bool HAS_FLUSH_INVALIDATION = true;
+
     void BindInterface(DeviceInterface* device_inter);
 
     DAddr Allocate(size_t size);

src/core/device_memory_manager.inc

@@ -391,12 +391,12 @@ void DeviceMemoryManager<Traits>::WalkBlock(DAddr addr, std::size_t size, auto o
             std::min((next_pages << Memory::YUZU_PAGEBITS) - page_offset, remaining_size);
         const auto current_vaddr =
             static_cast<u64>((page_index << Memory::YUZU_PAGEBITS) + page_offset);
-        SCOPE_EXIT({
+        SCOPE_EXIT{
             page_index += next_pages;
             page_offset = 0;
             increment(copy_amount);
             remaining_size -= copy_amount;
-        });
+        };
 
         auto phys_addr = compressed_physical_ptr[page_index];
         if (phys_addr == 0) {
@@ -522,13 +522,17 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
     auto* memory_device_inter = registered_processes[asid.id];
     const auto release_pending = [&] {
         if (uncache_bytes > 0) {
+            if (memory_device_inter != nullptr) {
                 MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS,
                                   uncache_bytes, false);
+            }
             uncache_bytes = 0;
         }
         if (cache_bytes > 0) {
+            if (memory_device_inter != nullptr) {
                 MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS,
                                   cache_bytes, true);
+            }
             cache_bytes = 0;
         }
     };

src/core/file_sys/fs_directory.h

@@ -3,6 +3,10 @@
 
 #pragma once
 
+#include <string_view>
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
 namespace FileSys {
 
 constexpr inline size_t EntryNameLengthMax = 0x300;

src/core/file_sys/fs_filesystem.h

@@ -23,6 +23,8 @@ enum class OpenDirectoryMode : u64 {
     File = (1 << 1),
 
     All = (Directory | File),
+
+    NotRequireFileSize = (1ULL << 31),
 };
 DECLARE_ENUM_FLAG_OPERATORS(OpenDirectoryMode)
 
@@ -36,4 +38,29 @@ enum class CreateOption : u8 {
     BigFile = (1 << 0),
 };
 
+struct FileSystemAttribute {
+    u8 dir_entry_name_length_max_defined;
+    u8 file_entry_name_length_max_defined;
+    u8 dir_path_name_length_max_defined;
+    u8 file_path_name_length_max_defined;
+    INSERT_PADDING_BYTES_NOINIT(0x5);
+    u8 utf16_dir_entry_name_length_max_defined;
+    u8 utf16_file_entry_name_length_max_defined;
+    u8 utf16_dir_path_name_length_max_defined;
+    u8 utf16_file_path_name_length_max_defined;
+    INSERT_PADDING_BYTES_NOINIT(0x18);
+    s32 dir_entry_name_length_max;
+    s32 file_entry_name_length_max;
+    s32 dir_path_name_length_max;
+    s32 file_path_name_length_max;
+    INSERT_PADDING_WORDS_NOINIT(0x5);
+    s32 utf16_dir_entry_name_length_max;
+    s32 utf16_file_entry_name_length_max;
+    s32 utf16_dir_path_name_length_max;
+    s32 utf16_file_path_name_length_max;
+    INSERT_PADDING_WORDS_NOINIT(0x18);
+    INSERT_PADDING_WORDS_NOINIT(0x1);
+};
+static_assert(sizeof(FileSystemAttribute) == 0xC0, "FileSystemAttribute has incorrect size");
+
 } // namespace FileSys

src/core/file_sys/fs_memory_management.h

@@ -10,7 +10,7 @@ namespace FileSys {
 
 constexpr size_t RequiredAlignment = alignof(u64);
 
-void* AllocateUnsafe(size_t size) {
+inline void* AllocateUnsafe(size_t size) {
     // Allocate
     void* const ptr = ::operator new(size, std::align_val_t{RequiredAlignment});
 
@@ -21,16 +21,16 @@ void* AllocateUnsafe(size_t size) {
     return ptr;
 }
 
-void DeallocateUnsafe(void* ptr, size_t size) {
+inline void DeallocateUnsafe(void* ptr, size_t size) {
     // Deallocate the pointer
     ::operator delete(ptr, std::align_val_t{RequiredAlignment});
 }
 
-void* Allocate(size_t size) {
+inline void* Allocate(size_t size) {
     return AllocateUnsafe(size);
 }
 
-void Deallocate(void* ptr, size_t size) {
+inline void Deallocate(void* ptr, size_t size) {
     // If the pointer is non-null, deallocate it
     if (ptr != nullptr) {
         DeallocateUnsafe(ptr, size);

src/core/file_sys/fs_path.h

@@ -381,7 +381,7 @@ public:
 
         // Check that it's possible for us to remove a child
         auto* p = m_write_buffer.Get();
-        s32 len = std::strlen(p);
+        s32 len = static_cast<s32>(std::strlen(p));
         R_UNLESS(len != 1 || (p[0] != '/' && p[0] != '.'), ResultNotImplemented);
 
         // Handle a trailing separator

src/core/file_sys/fs_path_utility.h

@@ -426,8 +426,9 @@ public:
         R_SUCCEED();
     }
 
-    static Result Normalize(char* dst, size_t* out_len, const char* path, size_t max_out_size,
-                            bool is_windows_path, bool is_drive_relative_path,
+    static constexpr Result Normalize(char* dst, size_t* out_len, const char* path,
+                                      size_t max_out_size, bool is_windows_path,
+                                      bool is_drive_relative_path,
                                       bool allow_all_characters = false) {
         // Use StringTraits names for remainder of scope
         using namespace StringTraits;
@@ -447,7 +448,7 @@ public:
         char* replacement_path = nullptr;
         size_t replacement_path_size = 0;
 
-        SCOPE_EXIT({
+        SCOPE_EXIT {
             if (replacement_path != nullptr) {
                 if (std::is_constant_evaluated()) {
                     delete[] replacement_path;
@@ -455,7 +456,7 @@ public:
                     Deallocate(replacement_path, replacement_path_size);
                 }
             }
-        });
+        };
 
         // Perform path replacement, if necessary
         if (IsParentDirectoryPathReplacementNeeded(cur_path)) {
@@ -1102,7 +1103,7 @@ public:
         R_SUCCEED();
     }
 
-    static Result Normalize(char* dst, size_t dst_size, const char* path, size_t path_len,
+    static constexpr Result Normalize(char* dst, size_t dst_size, const char* path, size_t path_len,
                                       const PathFlags& flags) {
         // Use StringTraits names for remainder of scope
         using namespace StringTraits;
@@ -1199,7 +1200,7 @@ public:
             const size_t replaced_src_len = path_len - (src - path);
 
             char* replaced_src = nullptr;
-            SCOPE_EXIT({
+            SCOPE_EXIT {
                 if (replaced_src != nullptr) {
                     if (std::is_constant_evaluated()) {
                         delete[] replaced_src;
@@ -1207,7 +1208,7 @@ public:
                         Deallocate(replaced_src, replaced_src_len);
                     }
                 }
-            });
+            };
 
             if (std::is_constant_evaluated()) {
                 replaced_src = new char[replaced_src_len];

src/core/file_sys/fs_string_util.h

@@ -19,6 +19,11 @@ constexpr int Strlen(const T* str) {
     return length;
 }
 
+template <typename T>
+constexpr int Strnlen(const T* str, std::size_t count) {
+    return Strnlen(str, static_cast<int>(count));
+}
+
 template <typename T>
 constexpr int Strnlen(const T* str, int count) {
     ASSERT(str != nullptr);
@@ -32,6 +37,11 @@ constexpr int Strnlen(const T* str, int count) {
     return length;
 }
 
+template <typename T>
+constexpr int Strncmp(const T* lhs, const T* rhs, std::size_t count) {
+    return Strncmp(lhs, rhs, static_cast<int>(count));
+}
+
 template <typename T>
 constexpr int Strncmp(const T* lhs, const T* rhs, int count) {
     ASSERT(lhs != nullptr);
@@ -51,6 +61,11 @@ constexpr int Strncmp(const T* lhs, const T* rhs, int count) {
     return l - r;
 }
 
+template <typename T>
+static constexpr int Strlcpy(T* dst, const T* src, std::size_t count) {
+    return Strlcpy<T>(dst, src, static_cast<int>(count));
+}
+
 template <typename T>
 static constexpr int Strlcpy(T* dst, const T* src, int count) {
     ASSERT(dst != nullptr);

src/core/file_sys/fsa/fs_i_directory.h

@@ -0,0 +1,91 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+#include "core/file_sys/errors.h"
+#include "core/file_sys/fs_directory.h"
+#include "core/file_sys/fs_file.h"
+#include "core/file_sys/fs_filesystem.h"
+#include "core/file_sys/savedata_factory.h"
+#include "core/file_sys/vfs/vfs.h"
+#include "core/hle/result.h"
+
+namespace FileSys::Fsa {
+
+class IDirectory {
+public:
+    explicit IDirectory(VirtualDir backend_, OpenDirectoryMode mode)
+        : backend(std::move(backend_)) {
+        // TODO(DarkLordZach): Verify that this is the correct behavior.
+        // Build entry index now to save time later.
+        if (True(mode & OpenDirectoryMode::Directory)) {
+            BuildEntryIndex(backend->GetSubdirectories(), DirectoryEntryType::Directory);
+        }
+        if (True(mode & OpenDirectoryMode::File)) {
+            BuildEntryIndex(backend->GetFiles(), DirectoryEntryType::File);
+        }
+    }
+    virtual ~IDirectory() {}
+
+    Result Read(s64* out_count, DirectoryEntry* out_entries, s64 max_entries) {
+        R_UNLESS(out_count != nullptr, ResultNullptrArgument);
+        if (max_entries == 0) {
+            *out_count = 0;
+            R_SUCCEED();
+        }
+        R_UNLESS(out_entries != nullptr, ResultNullptrArgument);
+        R_UNLESS(max_entries > 0, ResultInvalidArgument);
+        R_RETURN(this->DoRead(out_count, out_entries, max_entries));
+    }
+
+    Result GetEntryCount(s64* out) {
+        R_UNLESS(out != nullptr, ResultNullptrArgument);
+        R_RETURN(this->DoGetEntryCount(out));
+    }
+
+private:
+    Result DoRead(s64* out_count, DirectoryEntry* out_entries, s64 max_entries) {
+        const u64 actual_entries =
+            std::min(static_cast<u64>(max_entries), entries.size() - next_entry_index);
+        const auto* begin = reinterpret_cast<u8*>(entries.data() + next_entry_index);
+        const auto* end = reinterpret_cast<u8*>(entries.data() + next_entry_index + actual_entries);
+        const auto range_size = static_cast<std::size_t>(std::distance(begin, end));
+
+        next_entry_index += actual_entries;
+        *out_count = actual_entries;
+
+        std::memcpy(out_entries, begin, range_size);
+
+        R_SUCCEED();
+    }
+
+    Result DoGetEntryCount(s64* out) {
+        *out = entries.size() - next_entry_index;
+        R_SUCCEED();
+    }
+
+    // TODO: Remove this when VFS is gone
+    template <typename T>
+    void BuildEntryIndex(const std::vector<T>& new_data, DirectoryEntryType type) {
+        entries.reserve(entries.size() + new_data.size());
+
+        for (const auto& new_entry : new_data) {
+            auto name = new_entry->GetName();
+
+            if (type == DirectoryEntryType::File && name == GetSaveDataSizeFileName()) {
+                continue;
+            }
+
+            entries.emplace_back(name, static_cast<s8>(type),
+                                 type == DirectoryEntryType::Directory ? 0 : new_entry->GetSize());
+        }
+    }
+
+    VirtualDir backend;
+    std::vector<DirectoryEntry> entries;
+    u64 next_entry_index = 0;
+};
+
+} // namespace FileSys::Fsa

src/core/file_sys/fsa/fs_i_file.h

@@ -0,0 +1,167 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/overflow.h"
+#include "core/file_sys/errors.h"
+#include "core/file_sys/fs_file.h"
+#include "core/file_sys/fs_filesystem.h"
+#include "core/file_sys/fs_operate_range.h"
+#include "core/file_sys/vfs/vfs.h"
+#include "core/file_sys/vfs/vfs_types.h"
+#include "core/hle/result.h"
+
+namespace FileSys::Fsa {
+
+class IFile {
+public:
+    explicit IFile(VirtualFile backend_) : backend(std::move(backend_)) {}
+    virtual ~IFile() {}
+
+    Result Read(size_t* out, s64 offset, void* buffer, size_t size, const ReadOption& option) {
+        // Check that we have an output pointer
+        R_UNLESS(out != nullptr, ResultNullptrArgument);
+
+        // If we have nothing to read, just succeed
+        if (size == 0) {
+            *out = 0;
+            R_SUCCEED();
+        }
+
+        // Check that the read is valid
+        R_UNLESS(buffer != nullptr, ResultNullptrArgument);
+        R_UNLESS(offset >= 0, ResultOutOfRange);
+        R_UNLESS(Common::CanAddWithoutOverflow<s64>(offset, size), ResultOutOfRange);
+
+        // Do the read
+        R_RETURN(this->DoRead(out, offset, buffer, size, option));
+    }
+
+    Result Read(size_t* out, s64 offset, void* buffer, size_t size) {
+        R_RETURN(this->Read(out, offset, buffer, size, ReadOption::None));
+    }
+
+    Result GetSize(s64* out) {
+        R_UNLESS(out != nullptr, ResultNullptrArgument);
+        R_RETURN(this->DoGetSize(out));
+    }
+
+    Result Flush() {
+        R_RETURN(this->DoFlush());
+    }
+
+    Result Write(s64 offset, const void* buffer, size_t size, const WriteOption& option) {
+        // Handle the zero-size case
+        if (size == 0) {
+            if (option.HasFlushFlag()) {
+                R_TRY(this->Flush());
+            }
+            R_SUCCEED();
+        }
+
+        // Check the write is valid
+        R_UNLESS(buffer != nullptr, ResultNullptrArgument);
+        R_UNLESS(offset >= 0, ResultOutOfRange);
+        R_UNLESS(Common::CanAddWithoutOverflow<s64>(offset, size), ResultOutOfRange);
+
+        R_RETURN(this->DoWrite(offset, buffer, size, option));
+    }
+
+    Result SetSize(s64 size) {
+        R_UNLESS(size >= 0, ResultOutOfRange);
+        R_RETURN(this->DoSetSize(size));
+    }
+
+    Result OperateRange(void* dst, size_t dst_size, OperationId op_id, s64 offset, s64 size,
+                        const void* src, size_t src_size) {
+        R_RETURN(this->DoOperateRange(dst, dst_size, op_id, offset, size, src, src_size));
+    }
+
+    Result OperateRange(OperationId op_id, s64 offset, s64 size) {
+        R_RETURN(this->DoOperateRange(nullptr, 0, op_id, offset, size, nullptr, 0));
+    }
+
+protected:
+    Result DryRead(size_t* out, s64 offset, size_t size, const ReadOption& option,
+                   OpenMode open_mode) {
+        // Check that we can read
+        R_UNLESS(static_cast<u32>(open_mode & OpenMode::Read) != 0, ResultReadNotPermitted);
+
+        // Get the file size, and validate our offset
+        s64 file_size = 0;
+        R_TRY(this->DoGetSize(std::addressof(file_size)));
+        R_UNLESS(offset <= file_size, ResultOutOfRange);
+
+        *out = static_cast<size_t>(std::min(file_size - offset, static_cast<s64>(size)));
+        R_SUCCEED();
+    }
+
+    Result DrySetSize(s64 size, OpenMode open_mode) {
+        // Check that we can write
+        R_UNLESS(static_cast<u32>(open_mode & OpenMode::Write) != 0, ResultWriteNotPermitted);
+        R_SUCCEED();
+    }
+
+    Result DryWrite(bool* out_append, s64 offset, size_t size, const WriteOption& option,
+                    OpenMode open_mode) {
+        // Check that we can write
+        R_UNLESS(static_cast<u32>(open_mode & OpenMode::Write) != 0, ResultWriteNotPermitted);
+
+        // Get the file size
+        s64 file_size = 0;
+        R_TRY(this->DoGetSize(&file_size));
+
+        // Determine if we need to append
+        *out_append = false;
+        if (file_size < offset + static_cast<s64>(size)) {
+            R_UNLESS(static_cast<u32>(open_mode & OpenMode::AllowAppend) != 0,
+                     ResultFileExtensionWithoutOpenModeAllowAppend);
+            *out_append = true;
+        }
+
+        R_SUCCEED();
+    }
+
+private:
+    Result DoRead(size_t* out, s64 offset, void* buffer, size_t size, const ReadOption& option) {
+        const auto read_size = backend->Read(static_cast<u8*>(buffer), size, offset);
+        *out = read_size;
+
+        R_SUCCEED();
+    }
+
+    Result DoGetSize(s64* out) {
+        *out = backend->GetSize();
+        R_SUCCEED();
+    }
+
+    Result DoFlush() {
+        // Exists for SDK compatibiltity -- No need to flush file.
+        R_SUCCEED();
+    }
+
+    Result DoWrite(s64 offset, const void* buffer, size_t size, const WriteOption& option) {
+        const std::size_t written = backend->Write(static_cast<const u8*>(buffer), size, offset);
+
+        ASSERT_MSG(written == size,
+                   "Could not write all bytes to file (requested={:016X}, actual={:016X}).", size,
+                   written);
+
+        R_SUCCEED();
+    }
+
+    Result DoSetSize(s64 size) {
+        backend->Resize(size);
+        R_SUCCEED();
+    }
+
+    Result DoOperateRange(void* dst, size_t dst_size, OperationId op_id, s64 offset, s64 size,
+                          const void* src, size_t src_size) {
+        R_THROW(ResultNotImplemented);
+    }
+
+    VirtualFile backend;
+};
+
+} // namespace FileSys::Fsa

src/core/file_sys/fsa/fs_i_filesystem.h

@@ -0,0 +1,206 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/file_sys/errors.h"
+#include "core/file_sys/fs_filesystem.h"
+#include "core/file_sys/fs_path.h"
+#include "core/file_sys/vfs/vfs_types.h"
+#include "core/hle/result.h"
+#include "core/hle/service/filesystem/filesystem.h"
+
+namespace FileSys::Fsa {
+
+class IFile;
+class IDirectory;
+
+enum class QueryId : u32 {
+    SetConcatenationFileAttribute = 0,
+    UpdateMac = 1,
+    IsSignedSystemPartitionOnSdCardValid = 2,
+    QueryUnpreparedFileInformation = 3,
+};
+
+class IFileSystem {
+public:
+    explicit IFileSystem(VirtualDir backend_) : backend{std::move(backend_)} {}
+    virtual ~IFileSystem() {}
+
+    Result CreateFile(const Path& path, s64 size, CreateOption option) {
+        R_UNLESS(size >= 0, ResultOutOfRange);
+        R_RETURN(this->DoCreateFile(path, size, static_cast<int>(option)));
+    }
+
+    Result CreateFile(const Path& path, s64 size) {
+        R_RETURN(this->CreateFile(path, size, CreateOption::None));
+    }
+
+    Result DeleteFile(const Path& path) {
+        R_RETURN(this->DoDeleteFile(path));
+    }
+
+    Result CreateDirectory(const Path& path) {
+        R_RETURN(this->DoCreateDirectory(path));
+    }
+
+    Result DeleteDirectory(const Path& path) {
+        R_RETURN(this->DoDeleteDirectory(path));
+    }
+
+    Result DeleteDirectoryRecursively(const Path& path) {
+        R_RETURN(this->DoDeleteDirectoryRecursively(path));
+    }
+
+    Result RenameFile(const Path& old_path, const Path& new_path) {
+        R_RETURN(this->DoRenameFile(old_path, new_path));
+    }
+
+    Result RenameDirectory(const Path& old_path, const Path& new_path) {
+        R_RETURN(this->DoRenameDirectory(old_path, new_path));
+    }
+
+    Result GetEntryType(DirectoryEntryType* out, const Path& path) {
+        R_RETURN(this->DoGetEntryType(out, path));
+    }
+
+    Result OpenFile(VirtualFile* out_file, const Path& path, OpenMode mode) {
+        R_UNLESS(out_file != nullptr, ResultNullptrArgument);
+        R_UNLESS(static_cast<u32>(mode & OpenMode::ReadWrite) != 0, ResultInvalidOpenMode);
+        R_UNLESS(static_cast<u32>(mode & ~OpenMode::All) == 0, ResultInvalidOpenMode);
+        R_RETURN(this->DoOpenFile(out_file, path, mode));
+    }
+
+    Result OpenDirectory(VirtualDir* out_dir, const Path& path, OpenDirectoryMode mode) {
+        R_UNLESS(out_dir != nullptr, ResultNullptrArgument);
+        R_UNLESS(static_cast<u64>(mode & OpenDirectoryMode::All) != 0, ResultInvalidOpenMode);
+        R_UNLESS(static_cast<u64>(
+                     mode & ~(OpenDirectoryMode::All | OpenDirectoryMode::NotRequireFileSize)) == 0,
+                 ResultInvalidOpenMode);
+        R_RETURN(this->DoOpenDirectory(out_dir, path, mode));
+    }
+
+    Result Commit() {
+        R_RETURN(this->DoCommit());
+    }
+
+    Result GetFreeSpaceSize(s64* out, const Path& path) {
+        R_UNLESS(out != nullptr, ResultNullptrArgument);
+        R_RETURN(this->DoGetFreeSpaceSize(out, path));
+    }
+
+    Result GetTotalSpaceSize(s64* out, const Path& path) {
+        R_UNLESS(out != nullptr, ResultNullptrArgument);
+        R_RETURN(this->DoGetTotalSpaceSize(out, path));
+    }
+
+    Result CleanDirectoryRecursively(const Path& path) {
+        R_RETURN(this->DoCleanDirectoryRecursively(path));
+    }
+
+    Result GetFileTimeStampRaw(FileTimeStampRaw* out, const Path& path) {
+        R_UNLESS(out != nullptr, ResultNullptrArgument);
+        R_RETURN(this->DoGetFileTimeStampRaw(out, path));
+    }
+
+    Result QueryEntry(char* dst, size_t dst_size, const char* src, size_t src_size, QueryId query,
+                      const Path& path) {
+        R_RETURN(this->DoQueryEntry(dst, dst_size, src, src_size, query, path));
+    }
+
+    // These aren't accessible as commands
+    Result CommitProvisionally(s64 counter) {
+        R_RETURN(this->DoCommitProvisionally(counter));
+    }
+
+    Result Rollback() {
+        R_RETURN(this->DoRollback());
+    }
+
+    Result Flush() {
+        R_RETURN(this->DoFlush());
+    }
+
+private:
+    Result DoCreateFile(const Path& path, s64 size, int flags) {
+        R_RETURN(backend.CreateFile(path.GetString(), size));
+    }
+
+    Result DoDeleteFile(const Path& path) {
+        R_RETURN(backend.DeleteFile(path.GetString()));
+    }
+
+    Result DoCreateDirectory(const Path& path) {
+        R_RETURN(backend.CreateDirectory(path.GetString()));
+    }
+
+    Result DoDeleteDirectory(const Path& path) {
+        R_RETURN(backend.DeleteDirectory(path.GetString()));
+    }
+
+    Result DoDeleteDirectoryRecursively(const Path& path) {
+        R_RETURN(backend.DeleteDirectoryRecursively(path.GetString()));
+    }
+
+    Result DoRenameFile(const Path& old_path, const Path& new_path) {
+        R_RETURN(backend.RenameFile(old_path.GetString(), new_path.GetString()));
+    }
+
+    Result DoRenameDirectory(const Path& old_path, const Path& new_path) {
+        R_RETURN(backend.RenameDirectory(old_path.GetString(), new_path.GetString()));
+    }
+
+    Result DoGetEntryType(DirectoryEntryType* out, const Path& path) {
+        R_RETURN(backend.GetEntryType(out, path.GetString()));
+    }
+
+    Result DoOpenFile(VirtualFile* out_file, const Path& path, OpenMode mode) {
+        R_RETURN(backend.OpenFile(out_file, path.GetString(), mode));
+    }
+
+    Result DoOpenDirectory(VirtualDir* out_directory, const Path& path, OpenDirectoryMode mode) {
+        R_RETURN(backend.OpenDirectory(out_directory, path.GetString()));
+    }
+
+    Result DoCommit() {
+        R_THROW(ResultNotImplemented);
+    }
+
+    Result DoGetFreeSpaceSize(s64* out, const Path& path) {
+        R_THROW(ResultNotImplemented);
+    }
+
+    Result DoGetTotalSpaceSize(s64* out, const Path& path) {
+        R_THROW(ResultNotImplemented);
+    }
+
+    Result DoCleanDirectoryRecursively(const Path& path) {
+        R_RETURN(backend.CleanDirectoryRecursively(path.GetString()));
+    }
+
+    Result DoGetFileTimeStampRaw(FileTimeStampRaw* out, const Path& path) {
+        R_RETURN(backend.GetFileTimeStampRaw(out, path.GetString()));
+    }
+
+    Result DoQueryEntry(char* dst, size_t dst_size, const char* src, size_t src_size, QueryId query,
+                        const Path& path) {
+        R_THROW(ResultNotImplemented);
+    }
+
+    // These aren't accessible as commands
+    Result DoCommitProvisionally(s64 counter) {
+        R_THROW(ResultNotImplemented);
+    }
+
+    Result DoRollback() {
+        R_THROW(ResultNotImplemented);
+    }
+
+    Result DoFlush() {
+        R_THROW(ResultNotImplemented);
+    }
+
+    Service::FileSystem::VfsDirectoryServiceWrapper backend;
+};
+
+} // namespace FileSys::Fsa

src/core/file_sys/fssrv/fssrv_sf_path.h

@@ -0,0 +1,36 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/file_sys/fs_directory.h"
+
+namespace FileSys::Sf {
+
+struct Path {
+    char str[EntryNameLengthMax + 1];
+
+    static constexpr Path Encode(const char* p) {
+        Path path = {};
+        for (size_t i = 0; i < sizeof(path) - 1; i++) {
+            path.str[i] = p[i];
+            if (p[i] == '\x00') {
+                break;
+            }
+        }
+        return path;
+    }
+
+    static constexpr size_t GetPathLength(const Path& path) {
+        size_t len = 0;
+        for (size_t i = 0; i < sizeof(path) - 1 && path.str[i] != '\x00'; i++) {
+            len++;
+        }
+        return len;
+    }
+};
+static_assert(std::is_trivially_copyable_v<Path>, "Path must be trivially copyable.");
+
+using FspPath = Path;
+
+} // namespace FileSys::Sf

src/core/file_sys/fssystem/fssystem_hierarchical_sha256_storage.cpp

@@ -36,7 +36,9 @@ Result HierarchicalSha256Storage::Initialize(VirtualFile* base_storages, s32 lay
     // Get the base storage size.
     m_base_storage_size = base_storages[2]->GetSize();
     {
-        auto size_guard = SCOPE_GUARD({ m_base_storage_size = 0; });
+        auto size_guard = SCOPE_GUARD {
+            m_base_storage_size = 0;
+        };
         R_UNLESS(m_base_storage_size <= static_cast<s64>(HashSize)
                                             << m_log_size_ratio << m_log_size_ratio,
                  ResultHierarchicalSha256BaseStorageTooLarge);

src/core/file_sys/program_metadata.cpp

@@ -98,7 +98,9 @@ Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
 
 Loader::ResultStatus ProgramMetadata::Reload(VirtualFile file) {
     const u64 original_program_id = aci_header.title_id;
-    SCOPE_EXIT({ aci_header.title_id = original_program_id; });
+    SCOPE_EXIT {
+        aci_header.title_id = original_program_id;
+    };
 
     return this->Load(file);
 }

src/core/file_sys/system_archive/shared_font.cpp

@@ -9,7 +9,7 @@
 #include "core/file_sys/system_archive/data/font_standard.h"
 #include "core/file_sys/system_archive/shared_font.h"
 #include "core/file_sys/vfs/vfs_vector.h"
-#include "core/hle/service/ns/iplatform_service_manager.h"
+#include "core/hle/service/ns/platform_service_manager.h"
 
 namespace FileSys::SystemArchive {
 

src/core/guest_memory.h

@@ -44,15 +44,32 @@ public:
     GuestMemory() = delete;
     explicit GuestMemory(M& memory, u64 addr, std::size_t size,
                          Common::ScratchBuffer<T>* backup = nullptr)
-        : m_memory{memory}, m_addr{addr}, m_size{size} {
+        : m_memory{&memory}, m_addr{addr}, m_size{size} {
         static_assert(FLAGS & GuestMemoryFlags::Read || FLAGS & GuestMemoryFlags::Write);
-        if constexpr (FLAGS & GuestMemoryFlags::Read) {
+        if constexpr (!(FLAGS & GuestMemoryFlags::Read)) {
+            if (!this->TrySetSpan()) {
+                if (backup) {
+                    backup->resize_destructive(this->size());
+                    m_data_span = *backup;
+                    m_span_valid = true;
+                    m_is_data_copy = true;
+                } else {
+                    m_data_copy.resize(this->size());
+                    m_data_span = std::span(m_data_copy);
+                    m_span_valid = true;
+                    m_is_data_copy = true;
+                }
+            }
+        } else if constexpr (FLAGS & GuestMemoryFlags::Read) {
             Read(addr, size, backup);
         }
     }
 
     ~GuestMemory() = default;
 
+    GuestMemory(GuestMemory&& rhs) = default;
+    GuestMemory& operator=(GuestMemory&& rhs) = default;
+
     T* data() noexcept {
         return m_data_span.data();
     }
@@ -109,8 +126,8 @@ public:
         }
 
         if (this->TrySetSpan()) {
-            if constexpr (FLAGS & GuestMemoryFlags::Safe) {
-                m_memory.FlushRegion(m_addr, this->size_bytes());
+            if constexpr (FLAGS & GuestMemoryFlags::Safe && M::HAS_FLUSH_INVALIDATION) {
+                m_memory->FlushRegion(m_addr, this->size_bytes());
             }
         } else {
             if (backup) {
@@ -123,9 +140,9 @@ public:
             m_is_data_copy = true;
             m_span_valid = true;
             if constexpr (FLAGS & GuestMemoryFlags::Safe) {
-                m_memory.ReadBlock(m_addr, this->data(), this->size_bytes());
+                m_memory->ReadBlock(m_addr, this->data(), this->size_bytes());
             } else {
-                m_memory.ReadBlockUnsafe(m_addr, this->data(), this->size_bytes());
+                m_memory->ReadBlockUnsafe(m_addr, this->data(), this->size_bytes());
             }
         }
         return m_data_span;
@@ -133,18 +150,19 @@ public:
 
     void Write(std::span<T> write_data) noexcept {
         if constexpr (FLAGS & GuestMemoryFlags::Cached) {
-            m_memory.WriteBlockCached(m_addr, write_data.data(), this->size_bytes());
+            m_memory->WriteBlockCached(m_addr, write_data.data(), this->size_bytes());
         } else if constexpr (FLAGS & GuestMemoryFlags::Safe) {
-            m_memory.WriteBlock(m_addr, write_data.data(), this->size_bytes());
+            m_memory->WriteBlock(m_addr, write_data.data(), this->size_bytes());
         } else {
-            m_memory.WriteBlockUnsafe(m_addr, write_data.data(), this->size_bytes());
+            m_memory->WriteBlockUnsafe(m_addr, write_data.data(), this->size_bytes());
         }
     }
 
     bool TrySetSpan() noexcept {
-        if (u8* ptr = m_memory.GetSpan(m_addr, this->size_bytes()); ptr) {
+        if (u8* ptr = m_memory->GetSpan(m_addr, this->size_bytes()); ptr) {
             m_data_span = {reinterpret_cast<T*>(ptr), this->size()};
             m_span_valid = true;
+            m_is_data_copy = false;
             return true;
         }
         return false;
@@ -159,7 +177,7 @@ protected:
         return m_addr_changed;
     }
 
-    M& m_memory;
+    M* m_memory;
     u64 m_addr{};
     size_t m_size{};
     std::span<T> m_data_span{};
@@ -175,17 +193,7 @@ public:
     GuestMemoryScoped() = delete;
     explicit GuestMemoryScoped(M& memory, u64 addr, std::size_t size,
                                Common::ScratchBuffer<T>* backup = nullptr)
-        : GuestMemory<M, T, FLAGS>(memory, addr, size, backup) {
-        if constexpr (!(FLAGS & GuestMemoryFlags::Read)) {
-            if (!this->TrySetSpan()) {
-                if (backup) {
-                    this->m_data_span = *backup;
-                    this->m_span_valid = true;
-                    this->m_is_data_copy = true;
-                }
-            }
-        }
-    }
+        : GuestMemory<M, T, FLAGS>(memory, addr, size, backup) {}
 
     ~GuestMemoryScoped() {
         if constexpr (FLAGS & GuestMemoryFlags::Write) {
@@ -196,15 +204,17 @@ public:
             if (this->AddressChanged() || this->IsDataCopy()) {
                 ASSERT(this->m_span_valid);
                 if constexpr (FLAGS & GuestMemoryFlags::Cached) {
-                    this->m_memory.WriteBlockCached(this->m_addr, this->data(), this->size_bytes());
+                    this->m_memory->WriteBlockCached(this->m_addr, this->data(),
+                                                     this->size_bytes());
                 } else if constexpr (FLAGS & GuestMemoryFlags::Safe) {
-                    this->m_memory.WriteBlock(this->m_addr, this->data(), this->size_bytes());
+                    this->m_memory->WriteBlock(this->m_addr, this->data(), this->size_bytes());
                 } else {
-                    this->m_memory.WriteBlockUnsafe(this->m_addr, this->data(), this->size_bytes());
+                    this->m_memory->WriteBlockUnsafe(this->m_addr, this->data(),
+                                                     this->size_bytes());
                 }
             } else if constexpr ((FLAGS & GuestMemoryFlags::Safe) ||
                                  (FLAGS & GuestMemoryFlags::Cached)) {
-                this->m_memory.InvalidateRegion(this->m_addr, this->size_bytes());
+                this->m_memory->InvalidateRegion(this->m_addr, this->size_bytes());
             }
         }
     }

src/core/hle/kernel/k_client_session.cpp

@@ -24,7 +24,9 @@ Result KClientSession::SendSyncRequest(uintptr_t address, size_t size) {
     // Create a session request.
     KSessionRequest* request = KSessionRequest::Create(m_kernel);
     R_UNLESS(request != nullptr, ResultOutOfResource);
-    SCOPE_EXIT({ request->Close(); });
+    SCOPE_EXIT {
+        request->Close();
+    };
 
     // Initialize the request.
     request->Initialize(nullptr, address, size);
@@ -37,7 +39,9 @@ Result KClientSession::SendAsyncRequest(KEvent* event, uintptr_t address, size_t
     // Create a session request.
     KSessionRequest* request = KSessionRequest::Create(m_kernel);
     R_UNLESS(request != nullptr, ResultOutOfResource);
-    SCOPE_EXIT({ request->Close(); });
+    SCOPE_EXIT {
+        request->Close();
+    };
 
     // Initialize the request.
     request->Initialize(event, address, size);

src/core/hle/kernel/k_page_table_base.cpp

@@ -1305,11 +1305,11 @@ Result KPageTableBase::UnmapCodeMemory(KProcessAddress dst_address, KProcessAddr
 
     // Ensure that we maintain the instruction cache.
     bool reprotected_pages = false;
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         if (reprotected_pages && any_code_pages) {
             InvalidateInstructionCache(m_kernel, this, dst_address, size);
         }
-    });
+    };
 
     // Unmap.
     {
@@ -1397,7 +1397,9 @@ Result KPageTableBase::MapInsecureMemory(KProcessAddress address, size_t size) {
     // Close the opened pages when we're done with them.
     // If the mapping succeeds, each page will gain an extra reference, otherwise they will be freed
     // automatically.
-    SCOPE_EXIT({ pg.Close(); });
+    SCOPE_EXIT {
+        pg.Close();
+    };
 
     // Clear all the newly allocated pages.
     for (const auto& it : pg) {
@@ -1603,7 +1605,9 @@ Result KPageTableBase::AllocateAndMapPagesImpl(PageLinkedList* page_list, KProce
         m_kernel.MemoryManager().AllocateAndOpen(std::addressof(pg), num_pages, m_allocate_option));
 
     // Ensure that the page group is closed when we're done working with it.
-    SCOPE_EXIT({ pg.Close(); });
+    SCOPE_EXIT {
+        pg.Close();
+    };
 
     // Clear all pages.
     for (const auto& it : pg) {
@@ -2191,7 +2195,9 @@ Result KPageTableBase::SetHeapSize(KProcessAddress* out, size_t size) {
     // Close the opened pages when we're done with them.
     // If the mapping succeeds, each page will gain an extra reference, otherwise they will be freed
     // automatically.
-    SCOPE_EXIT({ pg.Close(); });
+    SCOPE_EXIT {
+        pg.Close();
+    };
 
     // Clear all the newly allocated pages.
     for (const auto& it : pg) {
@@ -2592,7 +2598,9 @@ Result KPageTableBase::UnmapIoRegion(KProcessAddress dst_address, KPhysicalAddre
         // Temporarily unlock ourselves, so that other operations can occur while we flush the
         // region.
         m_general_lock.Unlock();
-        SCOPE_EXIT({ m_general_lock.Lock(); });
+        SCOPE_EXIT {
+            m_general_lock.Lock();
+        };
 
         // Flush the region.
         R_ASSERT(FlushDataCache(dst_address, size));
@@ -3311,10 +3319,10 @@ Result KPageTableBase::ReadIoMemoryImpl(KProcessAddress dst_addr, KPhysicalAddre
     // Ensure we unmap the io memory when we're done with it.
     const KPageProperties unmap_properties =
         KPageProperties{KMemoryPermission::None, false, false, DisableMergeAttribute::None};
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         R_ASSERT(this->Operate(updater.GetPageList(), io_addr, map_size / PageSize, 0, false,
                                unmap_properties, OperationType::Unmap, true));
-    });
+    };
 
     // Read the memory.
     const KProcessAddress read_addr = io_addr + (GetInteger(phys_addr) & (PageSize - 1));
@@ -3347,10 +3355,10 @@ Result KPageTableBase::WriteIoMemoryImpl(KPhysicalAddress phys_addr, KProcessAdd
     // Ensure we unmap the io memory when we're done with it.
     const KPageProperties unmap_properties =
         KPageProperties{KMemoryPermission::None, false, false, DisableMergeAttribute::None};
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         R_ASSERT(this->Operate(updater.GetPageList(), io_addr, map_size / PageSize, 0, false,
                                unmap_properties, OperationType::Unmap, true));
-    });
+    };
 
     // Write the memory.
     const KProcessAddress write_addr = io_addr + (GetInteger(phys_addr) & (PageSize - 1));
@@ -4491,14 +4499,14 @@ Result KPageTableBase::SetupForIpcServer(KProcessAddress* out_addr, size_t size,
 
     // If the partial pages are mapped, an extra reference will have been opened. Otherwise, they'll
     // free on scope exit.
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         if (start_partial_page != 0) {
             m_kernel.MemoryManager().Close(start_partial_page, 1);
         }
         if (end_partial_page != 0) {
             m_kernel.MemoryManager().Close(end_partial_page, 1);
         }
-    });
+    };
 
     ON_RESULT_FAILURE {
         if (cur_mapped_addr != dst_addr) {
@@ -5166,10 +5174,10 @@ Result KPageTableBase::MapPhysicalMemory(KProcessAddress address, size_t size) {
                 GetCurrentProcess(m_kernel).GetId(), m_heap_fill_value));
 
             // If we fail in the next bit (or retry), we need to cleanup the pages.
-            auto pg_guard = SCOPE_GUARD({
+            auto pg_guard = SCOPE_GUARD {
                 pg.OpenFirst();
                 pg.Close();
-            });
+            };
 
             // Map the memory.
             {
@@ -5694,7 +5702,9 @@ Result KPageTableBase::Operate(PageLinkedList* page_list, KProcessAddress virt_a
 
         // Ensure that any pages we track are closed on exit.
         KPageGroup pages_to_close(m_kernel, this->GetBlockInfoManager());
-        SCOPE_EXIT({ pages_to_close.CloseAndReset(); });
+        SCOPE_EXIT {
+            pages_to_close.CloseAndReset();
+        };
 
         // Make a page group representing the region to unmap.
         this->MakePageGroup(pages_to_close, virt_addr, num_pages);

src/core/hle/kernel/k_process.cpp

@@ -77,7 +77,9 @@ Result TerminateChildren(KernelCore& kernel, KProcess* process,
         }
 
         // Terminate and close the thread.
-        SCOPE_EXIT({ cur_child->Close(); });
+        SCOPE_EXIT {
+            cur_child->Close();
+        };
 
         if (const Result terminate_result = cur_child->Terminate();
             ResultTerminationRequested == terminate_result) {
@@ -466,11 +468,11 @@ void KProcess::DoWorkerTaskImpl() {
 
 Result KProcess::StartTermination() {
     // Finalize the handle table when we're done, if the process isn't immortal.
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         if (!m_is_immortal) {
             this->FinalizeHandleTable();
         }
-    });
+    };
 
     // Terminate child threads other than the current one.
     R_RETURN(TerminateChildren(m_kernel, this, GetCurrentThreadPointer(m_kernel)));
@@ -964,7 +966,9 @@ Result KProcess::Run(s32 priority, size_t stack_size) {
     // Create a new thread for the process.
     KThread* main_thread = KThread::Create(m_kernel);
     R_UNLESS(main_thread != nullptr, ResultOutOfResource);
-    SCOPE_EXIT({ main_thread->Close(); });
+    SCOPE_EXIT {
+        main_thread->Close();
+    };
 
     // Initialize the thread.
     R_TRY(KThread::InitializeUserThread(m_kernel.System(), main_thread, this->GetEntryPoint(), 0,
@@ -1155,7 +1159,9 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
         Kernel::CreateResourceLimitForProcess(m_kernel.System(), physical_memory_size);
 
     // Ensure we maintain a clean state on exit.
-    SCOPE_EXIT({ res_limit->Close(); });
+    SCOPE_EXIT {
+        res_limit->Close();
+    };
 
     // Declare flags and code address.
     Svc::CreateProcessFlag flag{};

src/core/hle/kernel/k_server_session.cpp

@@ -651,11 +651,11 @@ Result ReceiveMessage(KernelCore& kernel, bool& recv_list_broken, uint64_t dst_m
     // Process any special data.
     if (src_header.GetHasSpecialHeader()) {
         // After we process, make sure we track whether the receive list is broken.
-        SCOPE_EXIT({
+        SCOPE_EXIT {
             if (offset > dst_recv_list_idx) {
                 recv_list_broken = true;
             }
-        });
+        };
 
         // Process special data.
         R_TRY(ProcessMessageSpecialData<false>(offset, dst_process, src_process, src_thread,
@@ -665,11 +665,11 @@ Result ReceiveMessage(KernelCore& kernel, bool& recv_list_broken, uint64_t dst_m
     // Process any pointer buffers.
     for (auto i = 0; i < src_header.GetPointerCount(); ++i) {
         // After we process, make sure we track whether the receive list is broken.
-        SCOPE_EXIT({
+        SCOPE_EXIT {
             if (offset > dst_recv_list_idx) {
                 recv_list_broken = true;
             }
-        });
+        };
 
         R_TRY(ProcessReceiveMessagePointerDescriptors(
             offset, pointer_key, dst_page_table, src_page_table, dst_msg, src_msg, dst_recv_list,
@@ -680,11 +680,11 @@ Result ReceiveMessage(KernelCore& kernel, bool& recv_list_broken, uint64_t dst_m
     // Process any map alias buffers.
     for (auto i = 0; i < src_header.GetMapAliasCount(); ++i) {
         // After we process, make sure we track whether the receive list is broken.
-        SCOPE_EXIT({
+        SCOPE_EXIT {
             if (offset > dst_recv_list_idx) {
                 recv_list_broken = true;
             }
-        });
+        };
 
         // We process in order send, recv, exch. Buffers after send (recv/exch) are ReadWrite.
         const KMemoryPermission perm = (i >= src_header.GetSendCount())
@@ -702,11 +702,11 @@ Result ReceiveMessage(KernelCore& kernel, bool& recv_list_broken, uint64_t dst_m
     // Process any raw data.
     if (const auto raw_count = src_header.GetRawCount(); raw_count != 0) {
         // After we process, make sure we track whether the receive list is broken.
-        SCOPE_EXIT({
+        SCOPE_EXIT {
             if (offset + raw_count > dst_recv_list_idx) {
                 recv_list_broken = true;
             }
-        });
+        };
 
         // Get the offset and size.
         const size_t offset_words = offset * sizeof(u32);
@@ -1124,7 +1124,9 @@ Result KServerSession::ReceiveRequest(uintptr_t server_message, uintptr_t server
         client_thread->Open();
     }
 
-    SCOPE_EXIT({ client_thread->Close(); });
+    SCOPE_EXIT {
+        client_thread->Close();
+    };
 
     // Set the request as our current.
     m_current_request = request;
@@ -1174,7 +1176,9 @@ Result KServerSession::ReceiveRequest(uintptr_t server_message, uintptr_t server
         // Reply to the client.
         {
             // After we reply, close our reference to the request.
-            SCOPE_EXIT({ request->Close(); });
+            SCOPE_EXIT {
+                request->Close();
+            };
 
             // Get the event to check whether the request is async.
             if (KEvent* event = request->GetEvent(); event != nullptr) {
@@ -1236,7 +1240,9 @@ Result KServerSession::SendReply(uintptr_t server_message, uintptr_t server_buff
     }
 
     // Close reference to the request once we're done processing it.
-    SCOPE_EXIT({ request->Close(); });
+    SCOPE_EXIT {
+        request->Close();
+    };
 
     // Extract relevant information from the request.
     const uint64_t client_message = request->GetAddress();
@@ -1394,7 +1400,9 @@ void KServerSession::CleanupRequests() {
         }
 
         // Close a reference to the request once it's cleaned up.
-        SCOPE_EXIT({ request->Close(); });
+        SCOPE_EXIT {
+            request->Close();
+        };
 
         // Extract relevant information from the request.
         const uint64_t client_message = request->GetAddress();
@@ -1491,7 +1499,9 @@ void KServerSession::OnClientClosed() {
         ASSERT(thread != nullptr);
 
         // Ensure that we close the request when done.
-        SCOPE_EXIT({ request->Close(); });
+        SCOPE_EXIT {
+            request->Close();
+        };
 
         // If we're terminating, close a reference to the thread and event.
         if (terminate) {

src/core/hle/kernel/k_thread_local_page.cpp

@@ -21,7 +21,9 @@ Result KThreadLocalPage::Initialize(KernelCore& kernel, KProcess* process) {
     // Allocate a new page.
     KPageBuffer* page_buf = KPageBuffer::Allocate(kernel);
     R_UNLESS(page_buf != nullptr, ResultOutOfMemory);
-    auto page_buf_guard = SCOPE_GUARD({ KPageBuffer::Free(kernel, page_buf); });
+    auto page_buf_guard = SCOPE_GUARD {
+        KPageBuffer::Free(kernel, page_buf);
+    };
 
     // Map the address in.
     const auto phys_addr = kernel.System().DeviceMemory().GetPhysicalAddr(page_buf);

src/core/hle/kernel/k_transfer_memory.cpp

@@ -24,7 +24,9 @@ Result KTransferMemory::Initialize(KProcessAddress addr, std::size_t size,
 
     // Construct the page group, guarding to make sure our state is valid on exit.
     m_page_group.emplace(m_kernel, page_table.GetBlockInfoManager());
-    auto pg_guard = SCOPE_GUARD({ m_page_group.reset(); });
+    auto pg_guard = SCOPE_GUARD {
+        m_page_group.reset();
+    };
 
     // Lock the memory.
     R_TRY(page_table.LockForTransferMemory(std::addressof(*m_page_group), addr, size,

src/core/hle/kernel/kernel.cpp

@@ -109,7 +109,9 @@ struct KernelCore::Impl {
 
     void Shutdown() {
         is_shutting_down.store(true, std::memory_order_relaxed);
-        SCOPE_EXIT({ is_shutting_down.store(false, std::memory_order_relaxed); });
+        SCOPE_EXIT {
+            is_shutting_down.store(false, std::memory_order_relaxed);
+        };
 
         CloseServices();
 
@@ -1080,7 +1082,9 @@ std::jthread KernelCore::RunOnHostCoreProcess(std::string&& process_name,
         process->Initialize(Svc::CreateProcessParameter{}, GetSystemResourceLimit(), false)));
 
     // Ensure that we don't hold onto any extra references.
-    SCOPE_EXIT({ process->Close(); });
+    SCOPE_EXIT {
+        process->Close();
+    };
 
     // Register the new process.
     KProcess::Register(*this, process);
@@ -1108,7 +1112,9 @@ void KernelCore::RunOnGuestCoreProcess(std::string&& process_name, std::function
         process->Initialize(Svc::CreateProcessParameter{}, GetSystemResourceLimit(), false)));
 
     // Ensure that we don't hold onto any extra references.
-    SCOPE_EXIT({ process->Close(); });
+    SCOPE_EXIT {
+        process->Close();
+    };
 
     // Register the new process.
     KProcess::Register(*this, process);

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

@@ -45,7 +45,9 @@ Result CreateCodeMemory(Core::System& system, Handle* out, u64 address, uint64_t
 
     KCodeMemory* code_mem = KCodeMemory::Create(kernel);
     R_UNLESS(code_mem != nullptr, ResultOutOfResource);
-    SCOPE_EXIT({ code_mem->Close(); });
+    SCOPE_EXIT {
+        code_mem->Close();
+    };
 
     // Verify that the region is in range.
     R_UNLESS(GetCurrentProcess(system.Kernel()).GetPageTable().Contains(address, size),

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

@@ -28,7 +28,9 @@ Result CreateDeviceAddressSpace(Core::System& system, Handle* out, uint64_t das_
     // Create the device address space.
     KDeviceAddressSpace* das = KDeviceAddressSpace::Create(system.Kernel());
     R_UNLESS(das != nullptr, ResultOutOfResource);
-    SCOPE_EXIT({ das->Close(); });
+    SCOPE_EXIT {
+        das->Close();
+    };
 
     // Initialize the device address space.
     R_TRY(das->Initialize(das_address, das_size));

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

@@ -72,10 +72,10 @@ Result CreateEvent(Core::System& system, Handle* out_write, Handle* out_read) {
     event_reservation.Commit();
 
     // Ensure that we clean up the event (and its only references are handle table) on function end.
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         event->GetReadableEvent().Close();
         event->Close();
-    });
+    };
 
     // Register the event.
     KEvent::Register(kernel, event);

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

@@ -129,11 +129,11 @@ Result ReplyAndReceiveImpl(KernelCore& kernel, int32_t* out_index, uintptr_t mes
     }
 
     // Ensure handles are closed when we're done.
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         for (auto i = 0; i < num_handles; ++i) {
             objs[i]->Close();
         }
-    });
+    };
 
     R_RETURN(ReplyAndReceiveImpl(kernel, out_index, message, buffer_size, message_paddr, objs,
                                  num_handles, reply_target, timeout_ns));
@@ -208,10 +208,10 @@ Result SendAsyncRequestWithUserBuffer(Core::System& system, Handle* out_event_ha
     event_reservation.Commit();
 
     // At end of scope, kill the standing references to the sub events.
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         event->GetReadableEvent().Close();
         event->Close();
-    });
+    };
 
     // Register the event.
     KEvent::Register(system.Kernel(), event);

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

@@ -68,10 +68,10 @@ Result CreatePort(Core::System& system, Handle* out_server, Handle* out_client,
     port->Initialize(max_sessions, is_light, name);
 
     // Ensure that we clean up the port (and its only references are handle table) on function end.
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         port->GetServerPort().Close();
         port->GetClientPort().Close();
-    });
+    };
 
     // Register the port.
     KPort::Register(kernel, port);
@@ -150,10 +150,10 @@ Result ManageNamedPort(Core::System& system, Handle* out_server_handle, uint64_t
         KPort::Register(system.Kernel(), port);
 
         // Ensure that our only reference to the port is in the handle table when we're done.
-        SCOPE_EXIT({
+        SCOPE_EXIT {
             port->GetClientPort().Close();
             port->GetServerPort().Close();
-        });
+        };
 
         // Register the handle in the table.
         R_TRY(handle_table.Add(out_server_handle, std::addressof(port->GetServerPort())));

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

@@ -18,7 +18,9 @@ Result CreateResourceLimit(Core::System& system, Handle* out_handle) {
     R_UNLESS(resource_limit != nullptr, ResultOutOfResource);
 
     // Ensure we don't leak a reference to the limit.
-    SCOPE_EXIT({ resource_limit->Close(); });
+    SCOPE_EXIT {
+        resource_limit->Close();
+    };
 
     // Initialize the resource limit.
     resource_limit->Initialize();

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

@@ -69,10 +69,10 @@ Result CreateSession(Core::System& system, Handle* out_server, Handle* out_clien
 
     // Ensure that we clean up the session (and its only references are handle table) on function
     // end.
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         session->GetClientSession().Close();
         session->GetServerSession().Close();
-    });
+    };
 
     // Register the session.
     T::Register(system.Kernel(), session);

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

@@ -78,11 +78,11 @@ Result WaitSynchronization(Core::System& system, int32_t* out_index, u64 user_ha
     }
 
     // Ensure handles are closed when we're done.
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         for (auto i = 0; i < num_handles; ++i) {
             objs[i]->Close();
         }
-    });
+    };
 
     // Convert the timeout from nanoseconds to ticks.
     s64 timeout;

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

@@ -51,7 +51,9 @@ Result CreateThread(Core::System& system, Handle* out_handle, u64 entry_point, u
     // Create the thread.
     KThread* thread = KThread::Create(kernel);
     R_UNLESS(thread != nullptr, ResultOutOfResource)
-    SCOPE_EXIT({ thread->Close(); });
+    SCOPE_EXIT {
+        thread->Close();
+    };
 
     // Initialize the thread.
     {

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

@@ -52,7 +52,9 @@ Result CreateTransferMemory(Core::System& system, Handle* out, u64 address, u64
     R_UNLESS(trmem != nullptr, ResultOutOfResource);
 
     // Ensure the only reference is in the handle table when we're done.
-    SCOPE_EXIT({ trmem->Close(); });
+    SCOPE_EXIT {
+        trmem->Close();
+    };
 
     // Ensure that the region is in range.
     R_UNLESS(process.GetPageTable().Contains(address, size), ResultInvalidCurrentMemory);

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

@@ -8,13 +8,13 @@
 
 namespace Service::AM {
 
-void LoopProcess(Nvnflinger::Nvnflinger& nvnflinger, Core::System& system) {
+void LoopProcess(Core::System& system) {
     auto server_manager = std::make_unique<ServerManager>(system);
 
-    server_manager->RegisterNamedService(
-        "appletAE", std::make_shared<IAllSystemAppletProxiesService>(system, nvnflinger));
-    server_manager->RegisterNamedService(
-        "appletOE", std::make_shared<IApplicationProxyService>(system, nvnflinger));
+    server_manager->RegisterNamedService("appletAE",
+                                         std::make_shared<IAllSystemAppletProxiesService>(system));
+    server_manager->RegisterNamedService("appletOE",
+                                         std::make_shared<IApplicationProxyService>(system));
     ServerManager::RunServer(std::move(server_manager));
 }
 

src/core/hle/service/am/am.h

@@ -7,12 +7,8 @@ namespace Core {
 class System;
 }
 
-namespace Service::Nvnflinger {
-class Nvnflinger;
-}
-
 namespace Service::AM {
 
-void LoopProcess(Nvnflinger::Nvnflinger& nvnflinger, Core::System& system);
+void LoopProcess(Core::System& system);
 
 } // namespace Service::AM

src/core/hle/service/am/applet.h

@@ -14,10 +14,9 @@
 
 #include "core/hle/service/am/am_types.h"
 #include "core/hle/service/am/applet_message_queue.h"
+#include "core/hle/service/am/display_layer_manager.h"
 #include "core/hle/service/am/hid_registration.h"
-#include "core/hle/service/am/managed_layer_holder.h"
 #include "core/hle/service/am/process.h"
-#include "core/hle/service/am/system_buffer_manager.h"
 
 namespace Service::AM {
 
@@ -54,8 +53,7 @@ struct Applet {
     HidRegistration hid_registration;
 
     // vi state
-    SystemBufferManager system_buffer_manager{};
-    ManagedLayerHolder managed_layer_holder{};
+    DisplayLayerManager display_layer_manager{};
 
     // Applet common functions
     Result terminate_result{};

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

@@ -24,11 +24,11 @@ void AppletStorageChannel::Push(std::shared_ptr<IStorage> storage) {
 Result AppletStorageChannel::Pop(std::shared_ptr<IStorage>* out_storage) {
     std::scoped_lock lk{m_lock};
 
-    SCOPE_EXIT({
+    SCOPE_EXIT {
         if (m_data.empty()) {
             m_event.Clear();
         }
-    });
+    };
 
     R_UNLESS(!m_data.empty(), AM::ResultNoDataInChannel);
 

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

@@ -0,0 +1,151 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/service/am/display_layer_manager.h"
+#include "core/hle/service/sm/sm.h"
+#include "core/hle/service/vi/application_display_service.h"
+#include "core/hle/service/vi/container.h"
+#include "core/hle/service/vi/manager_display_service.h"
+#include "core/hle/service/vi/manager_root_service.h"
+#include "core/hle/service/vi/shared_buffer_manager.h"
+#include "core/hle/service/vi/vi_results.h"
+#include "core/hle/service/vi/vi_types.h"
+
+namespace Service::AM {
+
+DisplayLayerManager::DisplayLayerManager() = default;
+DisplayLayerManager::~DisplayLayerManager() {
+    this->Finalize();
+}
+
+void DisplayLayerManager::Initialize(Core::System& system, Kernel::KProcess* process,
+                                     AppletId applet_id, LibraryAppletMode mode) {
+    R_ASSERT(system.ServiceManager()
+                 .GetService<VI::IManagerRootService>("vi:m", true)
+                 ->GetDisplayService(&m_display_service, VI::Policy::Compositor));
+    R_ASSERT(m_display_service->GetManagerDisplayService(&m_manager_display_service));
+
+    m_process = process;
+    m_system_shared_buffer_id = 0;
+    m_system_shared_layer_id = 0;
+    m_applet_id = applet_id;
+    m_buffer_sharing_enabled = false;
+    m_blending_enabled = mode == LibraryAppletMode::PartialForeground ||
+                         mode == LibraryAppletMode::PartialForegroundIndirectDisplay;
+}
+
+void DisplayLayerManager::Finalize() {
+    if (!m_manager_display_service) {
+        return;
+    }
+
+    // Clean up managed layers.
+    for (const auto& layer : m_managed_display_layers) {
+        m_manager_display_service->DestroyManagedLayer(layer);
+    }
+
+    for (const auto& layer : m_managed_display_recording_layers) {
+        m_manager_display_service->DestroyManagedLayer(layer);
+    }
+
+    // Clean up shared layers.
+    if (m_buffer_sharing_enabled) {
+        m_manager_display_service->DestroySharedLayerSession(m_process);
+    }
+
+    m_manager_display_service = nullptr;
+    m_display_service = nullptr;
+}
+
+Result DisplayLayerManager::CreateManagedDisplayLayer(u64* out_layer_id) {
+    R_UNLESS(m_manager_display_service != nullptr, VI::ResultOperationFailed);
+
+    // TODO(Subv): Find out how AM determines the display to use, for now just
+    // create the layer in the Default display.
+    u64 display_id;
+    R_TRY(m_display_service->OpenDisplay(&display_id, VI::DisplayName{"Default"}));
+    R_TRY(m_manager_display_service->CreateManagedLayer(
+        out_layer_id, 0, display_id, Service::AppletResourceUserId{m_process->GetProcessId()}));
+
+    m_manager_display_service->SetLayerVisibility(m_visible, *out_layer_id);
+    m_managed_display_layers.emplace(*out_layer_id);
+
+    R_SUCCEED();
+}
+
+Result DisplayLayerManager::CreateManagedDisplaySeparableLayer(u64* out_layer_id,
+                                                               u64* out_recording_layer_id) {
+    R_UNLESS(m_manager_display_service != nullptr, VI::ResultOperationFailed);
+
+    // TODO(Subv): Find out how AM determines the display to use, for now just
+    // create the layer in the Default display.
+    // This calls nn::vi::CreateRecordingLayer() which creates another layer.
+    // Currently we do not support more than 1 layer per display, output 1 layer id for now.
+    // Outputting 1 layer id instead of the expected 2 has not been observed to cause any adverse
+    // side effects.
+    *out_recording_layer_id = 0;
+    R_RETURN(this->CreateManagedDisplayLayer(out_layer_id));
+}
+
+Result DisplayLayerManager::IsSystemBufferSharingEnabled() {
+    // Succeed if already enabled.
+    R_SUCCEED_IF(m_buffer_sharing_enabled);
+
+    // Ensure we can access shared layers.
+    R_UNLESS(m_manager_display_service != nullptr, VI::ResultOperationFailed);
+    R_UNLESS(m_applet_id != AppletId::Application, VI::ResultPermissionDenied);
+
+    // Create the shared layer.
+    u64 display_id;
+    R_TRY(m_display_service->OpenDisplay(&display_id, VI::DisplayName{"Default"}));
+    R_TRY(m_manager_display_service->CreateSharedLayerSession(m_process, &m_system_shared_buffer_id,
+                                                              &m_system_shared_layer_id, display_id,
+                                                              m_blending_enabled));
+
+    // We succeeded, so set up remaining state.
+    m_buffer_sharing_enabled = true;
+    m_manager_display_service->SetLayerVisibility(m_visible, m_system_shared_layer_id);
+    R_SUCCEED();
+}
+
+Result DisplayLayerManager::GetSystemSharedLayerHandle(u64* out_system_shared_buffer_id,
+                                                       u64* out_system_shared_layer_id) {
+    R_TRY(this->IsSystemBufferSharingEnabled());
+
+    *out_system_shared_buffer_id = m_system_shared_buffer_id;
+    *out_system_shared_layer_id = m_system_shared_layer_id;
+
+    R_SUCCEED();
+}
+
+void DisplayLayerManager::SetWindowVisibility(bool visible) {
+    if (m_visible == visible) {
+        return;
+    }
+
+    m_visible = visible;
+
+    if (m_manager_display_service) {
+        if (m_system_shared_layer_id) {
+            m_manager_display_service->SetLayerVisibility(m_visible, m_system_shared_layer_id);
+        }
+
+        for (const auto layer_id : m_managed_display_layers) {
+            m_manager_display_service->SetLayerVisibility(m_visible, layer_id);
+        }
+    }
+}
+
+bool DisplayLayerManager::GetWindowVisibility() const {
+    return m_visible;
+}
+
+Result DisplayLayerManager::WriteAppletCaptureBuffer(bool* out_was_written,
+                                                     s32* out_fbshare_layer_index) {
+    R_UNLESS(m_buffer_sharing_enabled, VI::ResultPermissionDenied);
+    R_RETURN(m_display_service->GetContainer()->GetSharedBufferManager()->WriteAppletCaptureBuffer(
+        out_was_written, out_fbshare_layer_index));
+}
+
+} // namespace Service::AM

src/core/hle/service/am/display_layer_manager.h

@@ -0,0 +1,62 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <set>
+
+#include "common/common_types.h"
+#include "core/hle/result.h"
+#include "core/hle/service/am/am_types.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KProcess;
+}
+
+namespace Service::VI {
+class IApplicationDisplayService;
+class IManagerDisplayService;
+} // namespace Service::VI
+
+namespace Service::AM {
+
+class DisplayLayerManager {
+public:
+    explicit DisplayLayerManager();
+    ~DisplayLayerManager();
+
+    void Initialize(Core::System& system, Kernel::KProcess* process, AppletId applet_id,
+                    LibraryAppletMode mode);
+    void Finalize();
+
+    Result CreateManagedDisplayLayer(u64* out_layer_id);
+    Result CreateManagedDisplaySeparableLayer(u64* out_layer_id, u64* out_recording_layer_id);
+
+    Result IsSystemBufferSharingEnabled();
+    Result GetSystemSharedLayerHandle(u64* out_system_shared_buffer_id,
+                                      u64* out_system_shared_layer_id);
+
+    void SetWindowVisibility(bool visible);
+    bool GetWindowVisibility() const;
+
+    Result WriteAppletCaptureBuffer(bool* out_was_written, s32* out_fbshare_layer_index);
+
+private:
+    Kernel::KProcess* m_process{};
+    std::shared_ptr<VI::IApplicationDisplayService> m_display_service{};
+    std::shared_ptr<VI::IManagerDisplayService> m_manager_display_service{};
+    std::set<u64> m_managed_display_layers{};
+    std::set<u64> m_managed_display_recording_layers{};
+    u64 m_system_shared_buffer_id{};
+    u64 m_system_shared_layer_id{};
+    AppletId m_applet_id{};
+    bool m_buffer_sharing_enabled{};
+    bool m_blending_enabled{};
+    bool m_visible{true};
+};
+
+} // namespace Service::AM

src/core/hle/service/am/frontend/applet_web_browser.cpp

@@ -22,7 +22,7 @@
 #include "core/hle/service/am/frontend/applet_web_browser.h"
 #include "core/hle/service/am/service/storage.h"
 #include "core/hle/service/filesystem/filesystem.h"
-#include "core/hle/service/ns/iplatform_service_manager.h"
+#include "core/hle/service/ns/platform_service_manager.h"
 #include "core/loader/loader.h"
 
 namespace Service::AM::Frontend {

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

@@ -1,59 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include "core/hle/service/am/managed_layer_holder.h"
-#include "core/hle/service/nvnflinger/nvnflinger.h"
-
-namespace Service::AM {
-
-ManagedLayerHolder::ManagedLayerHolder() = default;
-ManagedLayerHolder::~ManagedLayerHolder() {
-    if (!m_nvnflinger) {
-        return;
-    }
-
-    for (const auto& layer : m_managed_display_layers) {
-        m_nvnflinger->DestroyLayer(layer);
-    }
-
-    for (const auto& layer : m_managed_display_recording_layers) {
-        m_nvnflinger->DestroyLayer(layer);
-    }
-
-    m_nvnflinger = nullptr;
-}
-
-void ManagedLayerHolder::Initialize(Nvnflinger::Nvnflinger* nvnflinger) {
-    m_nvnflinger = nvnflinger;
-}
-
-void ManagedLayerHolder::CreateManagedDisplayLayer(u64* out_layer) {
-    // TODO(Subv): Find out how AM determines the display to use, for now just
-    // create the layer in the Default display.
-    const auto display_id = m_nvnflinger->OpenDisplay("Default");
-    const auto layer_id = m_nvnflinger->CreateLayer(*display_id);
-
-    m_managed_display_layers.emplace(*layer_id);
-
-    *out_layer = *layer_id;
-}
-
-void ManagedLayerHolder::CreateManagedDisplaySeparableLayer(u64* out_layer,
-                                                            u64* out_recording_layer) {
-    // TODO(Subv): Find out how AM determines the display to use, for now just
-    // create the layer in the Default display.
-    // This calls nn::vi::CreateRecordingLayer() which creates another layer.
-    // Currently we do not support more than 1 layer per display, output 1 layer id for now.
-    // Outputting 1 layer id instead of the expected 2 has not been observed to cause any adverse
-    // side effects.
-    // TODO: Support multiple layers
-    const auto display_id = m_nvnflinger->OpenDisplay("Default");
-    const auto layer_id = m_nvnflinger->CreateLayer(*display_id);
-
-    m_managed_display_layers.emplace(*layer_id);
-
-    *out_layer = *layer_id;
-    *out_recording_layer = 0;
-}
-
-} // namespace Service::AM

src/core/hle/service/am/managed_layer_holder.h

@@ -1,32 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <set>
-
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-
-namespace Service::Nvnflinger {
-class Nvnflinger;
-}
-
-namespace Service::AM {
-
-class ManagedLayerHolder {
-public:
-    ManagedLayerHolder();
-    ~ManagedLayerHolder();
-
-    void Initialize(Nvnflinger::Nvnflinger* nvnflinger);
-    void CreateManagedDisplayLayer(u64* out_layer);
-    void CreateManagedDisplaySeparableLayer(u64* out_layer, u64* out_recording_layer);
-
-private:
-    Nvnflinger::Nvnflinger* m_nvnflinger{};
-    std::set<u64> m_managed_display_layers{};
-    std::set<u64> m_managed_display_recording_layers{};
-};
-
-} // namespace Service::AM

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

@@ -68,7 +68,9 @@ bool Process::Initialize(u64 program_id, u8 minimum_key_generation, u8 maximum_k
     Kernel::KProcess::Register(m_system.Kernel(), process);
 
     // On exit, ensure we free the additional reference to the process.
-    SCOPE_EXIT({ process->Close(); });
+    SCOPE_EXIT {
+        process->Close();
+    };
 
     // Insert process modules into memory.
     const auto [load_result, load_parameters] = app_loader->Load(*process, m_system);

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

@@ -10,9 +10,8 @@
 
 namespace Service::AM {
 
-IAllSystemAppletProxiesService::IAllSystemAppletProxiesService(Core::System& system_,
-                                                               Nvnflinger::Nvnflinger& nvnflinger)
-    : ServiceFramework{system_, "appletAE"}, m_nvnflinger{nvnflinger} {
+IAllSystemAppletProxiesService::IAllSystemAppletProxiesService(Core::System& system_)
+    : ServiceFramework{system_, "appletAE"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {100, D<&IAllSystemAppletProxiesService::OpenSystemAppletProxy>, "OpenSystemAppletProxy"},
@@ -37,8 +36,8 @@ Result IAllSystemAppletProxiesService::OpenSystemAppletProxy(
     LOG_DEBUG(Service_AM, "called");
 
     if (const auto applet = this->GetAppletFromProcessId(pid); applet) {
-        *out_system_applet_proxy = std::make_shared<ISystemAppletProxy>(
-            system, applet, process_handle.Get(), m_nvnflinger);
+        *out_system_applet_proxy =
+            std::make_shared<ISystemAppletProxy>(system, applet, process_handle.Get());
         R_SUCCEED();
     } else {
         UNIMPLEMENTED();
@@ -53,8 +52,8 @@ Result IAllSystemAppletProxiesService::OpenLibraryAppletProxy(
     LOG_DEBUG(Service_AM, "called");
 
     if (const auto applet = this->GetAppletFromProcessId(pid); applet) {
-        *out_library_applet_proxy = std::make_shared<ILibraryAppletProxy>(
-            system, applet, process_handle.Get(), m_nvnflinger);
+        *out_library_applet_proxy =
+            std::make_shared<ILibraryAppletProxy>(system, applet, process_handle.Get());
         R_SUCCEED();
     } else {
         UNIMPLEMENTED();

src/core/hle/service/am/service/all_system_applet_proxies_service.h

@@ -8,10 +8,6 @@
 
 namespace Service {
 
-namespace Nvnflinger {
-class Nvnflinger;
-}
-
 namespace AM {
 
 struct Applet;
@@ -22,8 +18,7 @@ class ISystemAppletProxy;
 class IAllSystemAppletProxiesService final
     : public ServiceFramework<IAllSystemAppletProxiesService> {
 public:
-    explicit IAllSystemAppletProxiesService(Core::System& system_,
-                                            Nvnflinger::Nvnflinger& nvnflinger);
+    explicit IAllSystemAppletProxiesService(Core::System& system_);
     ~IAllSystemAppletProxiesService() override;
 
 private:
@@ -40,7 +35,6 @@ private:
 
 private:
     std::shared_ptr<Applet> GetAppletFromProcessId(ProcessId pid);
-    Nvnflinger::Nvnflinger& m_nvnflinger;
 };
 
 } // namespace AM

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

@@ -16,7 +16,8 @@
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/filesystem/save_data_controller.h"
 #include "core/hle/service/glue/glue_manager.h"
-#include "core/hle/service/ns/ns.h"
+#include "core/hle/service/ns/application_manager_interface.h"
+#include "core/hle/service/ns/service_getter_interface.h"
 #include "core/hle/service/sm/sm.h"
 
 namespace Service::AM {
@@ -163,11 +164,13 @@ Result IApplicationFunctions::GetDesiredLanguage(Out<u64> out_language_code) {
 
     // Call IApplicationManagerInterface implementation.
     auto& service_manager = system.ServiceManager();
-    auto ns_am2 = service_manager.GetService<NS::NS>("ns:am2");
-    auto app_man = ns_am2->GetApplicationManagerInterface();
+    auto ns_am2 = service_manager.GetService<NS::IServiceGetterInterface>("ns:am2");
+
+    std::shared_ptr<NS::IApplicationManagerInterface> app_man;
+    R_TRY(ns_am2->GetApplicationManagerInterface(&app_man));
 
     // Get desired application language
-    u8 desired_language{};
+    NS::ApplicationLanguage desired_language{};
     R_TRY(app_man->GetApplicationDesiredLanguage(&desired_language, supported_languages));
 
     // Convert to settings language code.

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

@@ -17,9 +17,9 @@
 namespace Service::AM {
 
 IApplicationProxy::IApplicationProxy(Core::System& system_, std::shared_ptr<Applet> applet,
-                                     Kernel::KProcess* process, Nvnflinger::Nvnflinger& nvnflinger)
-    : ServiceFramework{system_, "IApplicationProxy"},
-      m_nvnflinger{nvnflinger}, m_process{process}, m_applet{std::move(applet)} {
+                                     Kernel::KProcess* process)
+    : ServiceFramework{system_, "IApplicationProxy"}, m_process{process}, m_applet{
+                                                                              std::move(applet)} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, D<&IApplicationProxy::GetCommonStateGetter>, "GetCommonStateGetter"},
@@ -77,8 +77,7 @@ Result IApplicationProxy::GetWindowController(
 Result IApplicationProxy::GetSelfController(
     Out<SharedPointer<ISelfController>> out_self_controller) {
     LOG_DEBUG(Service_AM, "called");
-    *out_self_controller =
-        std::make_shared<ISelfController>(system, m_applet, m_process, m_nvnflinger);
+    *out_self_controller = std::make_shared<ISelfController>(system, m_applet, m_process);
     R_SUCCEED();
 }
 

src/core/hle/service/am/service/application_proxy.h

@@ -22,7 +22,7 @@ class IWindowController;
 class IApplicationProxy final : public ServiceFramework<IApplicationProxy> {
 public:
     explicit IApplicationProxy(Core::System& system_, std::shared_ptr<Applet> applet,
-                               Kernel::KProcess* process, Nvnflinger::Nvnflinger& nvnflinger);
+                               Kernel::KProcess* process);
     ~IApplicationProxy();
 
 private:
@@ -40,7 +40,6 @@ private:
         Out<SharedPointer<IApplicationFunctions>> out_application_functions);
 
 private:
-    Nvnflinger::Nvnflinger& m_nvnflinger;
     Kernel::KProcess* const m_process;
     const std::shared_ptr<Applet> m_applet;
 };

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

@@ -10,9 +10,8 @@
 
 namespace Service::AM {
 
-IApplicationProxyService::IApplicationProxyService(Core::System& system_,
-                                                   Nvnflinger::Nvnflinger& nvnflinger)
-    : ServiceFramework{system_, "appletOE"}, m_nvnflinger{nvnflinger} {
+IApplicationProxyService::IApplicationProxyService(Core::System& system_)
+    : ServiceFramework{system_, "appletOE"} {
     static const FunctionInfo functions[] = {
         {0, D<&IApplicationProxyService::OpenApplicationProxy>, "OpenApplicationProxy"},
     };
@@ -28,7 +27,7 @@ Result IApplicationProxyService::OpenApplicationProxy(
 
     if (const auto applet = this->GetAppletFromProcessId(pid)) {
         *out_application_proxy =
-            std::make_shared<IApplicationProxy>(system, applet, process_handle.Get(), m_nvnflinger);
+            std::make_shared<IApplicationProxy>(system, applet, process_handle.Get());
         R_SUCCEED();
     } else {
         UNIMPLEMENTED();

src/core/hle/service/am/service/application_proxy_service.h

@@ -8,10 +8,6 @@
 
 namespace Service {
 
-namespace Nvnflinger {
-class Nvnflinger;
-}
-
 namespace AM {
 
 struct Applet;
@@ -19,7 +15,7 @@ class IApplicationProxy;
 
 class IApplicationProxyService final : public ServiceFramework<IApplicationProxyService> {
 public:
-    explicit IApplicationProxyService(Core::System& system_, Nvnflinger::Nvnflinger& nvnflinger);
+    explicit IApplicationProxyService(Core::System& system_);
     ~IApplicationProxyService() override;
 
 private:
@@ -28,7 +24,6 @@ private:
 
 private:
     std::shared_ptr<Applet> GetAppletFromProcessId(ProcessId pid);
-    Nvnflinger::Nvnflinger& m_nvnflinger;
 };
 
 } // namespace AM

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

@@ -69,7 +69,7 @@ Result IDisplayController::ClearCaptureBuffer(bool unknown0, s32 fbshare_layer_i
 Result IDisplayController::AcquireLastForegroundCaptureSharedBuffer(
     Out<bool> out_was_written, Out<s32> out_fbshare_layer_index) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
-    R_RETURN(applet->system_buffer_manager.WriteAppletCaptureBuffer(out_was_written,
+    R_RETURN(applet->display_layer_manager.WriteAppletCaptureBuffer(out_was_written,
                                                                     out_fbshare_layer_index));
 }
 
@@ -81,7 +81,7 @@ Result IDisplayController::ReleaseLastForegroundCaptureSharedBuffer() {
 Result IDisplayController::AcquireCallerAppletCaptureSharedBuffer(
     Out<bool> out_was_written, Out<s32> out_fbshare_layer_index) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
-    R_RETURN(applet->system_buffer_manager.WriteAppletCaptureBuffer(out_was_written,
+    R_RETURN(applet->display_layer_manager.WriteAppletCaptureBuffer(out_was_written,
                                                                     out_fbshare_layer_index));
 }
 
@@ -93,7 +93,7 @@ Result IDisplayController::ReleaseCallerAppletCaptureSharedBuffer() {
 Result IDisplayController::AcquireLastApplicationCaptureSharedBuffer(
     Out<bool> out_was_written, Out<s32> out_fbshare_layer_index) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
-    R_RETURN(applet->system_buffer_manager.WriteAppletCaptureBuffer(out_was_written,
+    R_RETURN(applet->display_layer_manager.WriteAppletCaptureBuffer(out_was_written,
                                                                     out_fbshare_layer_index));
 }
 

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

@@ -135,7 +135,7 @@ std::shared_ptr<ILibraryAppletAccessor> CreateGuestApplet(Core::System& system,
     case LibraryAppletMode::AllForegroundInitiallyHidden:
         applet->hid_registration.EnableAppletToGetInput(false);
         applet->focus_state = FocusState::NotInFocus;
-        applet->system_buffer_manager.SetWindowVisibility(false);
+        applet->display_layer_manager.SetWindowVisibility(false);
         applet->message_queue.PushMessage(AppletMessage::ChangeIntoBackground);
         break;
     }

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

@@ -19,10 +19,9 @@
 namespace Service::AM {
 
 ILibraryAppletProxy::ILibraryAppletProxy(Core::System& system_, std::shared_ptr<Applet> applet,
-                                         Kernel::KProcess* process,
-                                         Nvnflinger::Nvnflinger& nvnflinger)
-    : ServiceFramework{system_, "ILibraryAppletProxy"},
-      m_nvnflinger{nvnflinger}, m_process{process}, m_applet{std::move(applet)} {
+                                         Kernel::KProcess* process)
+    : ServiceFramework{system_, "ILibraryAppletProxy"}, m_process{process}, m_applet{
+                                                                                std::move(applet)} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, D<&ILibraryAppletProxy::GetCommonStateGetter>, "GetCommonStateGetter"},
@@ -83,8 +82,7 @@ Result ILibraryAppletProxy::GetWindowController(
 Result ILibraryAppletProxy::GetSelfController(
     Out<SharedPointer<ISelfController>> out_self_controller) {
     LOG_DEBUG(Service_AM, "called");
-    *out_self_controller =
-        std::make_shared<ISelfController>(system, m_applet, m_process, m_nvnflinger);
+    *out_self_controller = std::make_shared<ISelfController>(system, m_applet, m_process);
     R_SUCCEED();
 }
 

src/core/hle/service/am/service/library_applet_proxy.h

@@ -25,7 +25,7 @@ class IWindowController;
 class ILibraryAppletProxy final : public ServiceFramework<ILibraryAppletProxy> {
 public:
     explicit ILibraryAppletProxy(Core::System& system_, std::shared_ptr<Applet> applet,
-                                 Kernel::KProcess* process, Nvnflinger::Nvnflinger& nvnflinger);
+                                 Kernel::KProcess* process);
     ~ILibraryAppletProxy();
 
 private:
@@ -47,7 +47,6 @@ private:
     Result GetGlobalStateController(
         Out<SharedPointer<IGlobalStateController>> out_global_state_controller);
 
-    Nvnflinger::Nvnflinger& m_nvnflinger;
     Kernel::KProcess* const m_process;
     const std::shared_ptr<Applet> m_applet;
 };

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

@@ -14,7 +14,8 @@
 #include "core/hle/service/cmif_serialization.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/glue/glue_manager.h"
-#include "core/hle/service/ns/ns.h"
+#include "core/hle/service/ns/application_manager_interface.h"
+#include "core/hle/service/ns/service_getter_interface.h"
 #include "core/hle/service/sm/sm.h"
 
 namespace Service::AM {
@@ -256,11 +257,13 @@ Result ILibraryAppletSelfAccessor::GetMainAppletApplicationDesiredLanguage(
 
     // Call IApplicationManagerInterface implementation.
     auto& service_manager = system.ServiceManager();
-    auto ns_am2 = service_manager.GetService<NS::NS>("ns:am2");
-    auto app_man = ns_am2->GetApplicationManagerInterface();
+    auto ns_am2 = service_manager.GetService<NS::IServiceGetterInterface>("ns:am2");
+
+    std::shared_ptr<NS::IApplicationManagerInterface> app_man;
+    R_TRY(ns_am2->GetApplicationManagerInterface(&app_man));
 
     // Get desired application language
-    u8 desired_language{};
+    NS::ApplicationLanguage desired_language{};
     R_TRY(app_man->GetApplicationDesiredLanguage(&desired_language, supported_languages));
 
     // Convert to settings language code.

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

@@ -15,9 +15,9 @@
 namespace Service::AM {
 
 ISelfController::ISelfController(Core::System& system_, std::shared_ptr<Applet> applet,
-                                 Kernel::KProcess* process, Nvnflinger::Nvnflinger& nvnflinger)
-    : ServiceFramework{system_, "ISelfController"},
-      m_nvnflinger{nvnflinger}, m_process{process}, m_applet{std::move(applet)} {
+                                 Kernel::KProcess* process)
+    : ServiceFramework{system_, "ISelfController"}, m_process{process}, m_applet{
+                                                                            std::move(applet)} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, D<&ISelfController::Exit>, "Exit"},
@@ -72,9 +72,16 @@ ISelfController::ISelfController(Core::System& system_, std::shared_ptr<Applet>
     // clang-format on
 
     RegisterHandlers(functions);
+
+    std::scoped_lock lk{m_applet->lock};
+    m_applet->display_layer_manager.Initialize(system, m_process, m_applet->applet_id,
+                                               m_applet->library_applet_mode);
 }
 
-ISelfController::~ISelfController() = default;
+ISelfController::~ISelfController() {
+    std::scoped_lock lk{m_applet->lock};
+    m_applet->display_layer_manager.Finalize();
+}
 
 Result ISelfController::Exit() {
     LOG_DEBUG(Service_AM, "called");
@@ -212,48 +219,42 @@ Result ISelfController::SetAlbumImageOrientation(
 
 Result ISelfController::IsSystemBufferSharingEnabled() {
     LOG_INFO(Service_AM, "called");
-    R_SUCCEED_IF(m_applet->system_buffer_manager.Initialize(
-        &m_nvnflinger, m_process, m_applet->applet_id, m_applet->library_applet_mode));
-    R_THROW(VI::ResultOperationFailed);
+
+    std::scoped_lock lk{m_applet->lock};
+    R_RETURN(m_applet->display_layer_manager.IsSystemBufferSharingEnabled());
 }
 
 Result ISelfController::GetSystemSharedBufferHandle(Out<u64> out_buffer_id) {
-    LOG_WARNING(Service_AM, "(STUBBED) called");
-
-    R_TRY(this->IsSystemBufferSharingEnabled());
+    LOG_INFO(Service_AM, "called");
 
     u64 layer_id;
-    m_applet->system_buffer_manager.GetSystemSharedLayerHandle(out_buffer_id, &layer_id);
-    R_SUCCEED();
+
+    std::scoped_lock lk{m_applet->lock};
+    R_RETURN(m_applet->display_layer_manager.GetSystemSharedLayerHandle(out_buffer_id, &layer_id));
 }
 
 Result ISelfController::GetSystemSharedLayerHandle(Out<u64> out_buffer_id, Out<u64> out_layer_id) {
-    LOG_INFO(Service_AM, "(STUBBED) called");
+    LOG_INFO(Service_AM, "called");
 
-    R_TRY(this->IsSystemBufferSharingEnabled());
-
-    m_applet->system_buffer_manager.GetSystemSharedLayerHandle(out_buffer_id, out_layer_id);
-    R_SUCCEED();
+    std::scoped_lock lk{m_applet->lock};
+    R_RETURN(
+        m_applet->display_layer_manager.GetSystemSharedLayerHandle(out_buffer_id, out_layer_id));
 }
 
 Result ISelfController::CreateManagedDisplayLayer(Out<u64> out_layer_id) {
     LOG_INFO(Service_AM, "called");
 
-    m_applet->managed_layer_holder.Initialize(&m_nvnflinger);
-    m_applet->managed_layer_holder.CreateManagedDisplayLayer(out_layer_id);
-
-    R_SUCCEED();
+    std::scoped_lock lk{m_applet->lock};
+    R_RETURN(m_applet->display_layer_manager.CreateManagedDisplayLayer(out_layer_id));
 }
 
 Result ISelfController::CreateManagedDisplaySeparableLayer(Out<u64> out_layer_id,
                                                            Out<u64> out_recording_layer_id) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
-    m_applet->managed_layer_holder.Initialize(&m_nvnflinger);
-    m_applet->managed_layer_holder.CreateManagedDisplaySeparableLayer(out_layer_id,
-                                                                      out_recording_layer_id);
-
-    R_SUCCEED();
+    std::scoped_lock lk{m_applet->lock};
+    R_RETURN(m_applet->display_layer_manager.CreateManagedDisplaySeparableLayer(
+        out_layer_id, out_recording_layer_id));
 }
 
 Result ISelfController::SetHandlesRequestToDisplay(bool enable) {

src/core/hle/service/am/service/self_controller.h

@@ -23,7 +23,7 @@ struct Applet;
 class ISelfController final : public ServiceFramework<ISelfController> {
 public:
     explicit ISelfController(Core::System& system_, std::shared_ptr<Applet> applet,
-                             Kernel::KProcess* process, Nvnflinger::Nvnflinger& nvnflinger);
+                             Kernel::KProcess* process);
     ~ISelfController() override;
 
 private:
@@ -64,7 +64,6 @@ private:
     Result SaveCurrentScreenshot(Capture::AlbumReportOption album_report_option);
     Result SetRecordVolumeMuted(bool muted);
 
-    Nvnflinger::Nvnflinger& m_nvnflinger;
     Kernel::KProcess* const m_process;
     const std::shared_ptr<Applet> m_applet;
 };

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

@@ -19,10 +19,9 @@
 namespace Service::AM {
 
 ISystemAppletProxy::ISystemAppletProxy(Core::System& system_, std::shared_ptr<Applet> applet,
-                                       Kernel::KProcess* process,
-                                       Nvnflinger::Nvnflinger& nvnflinger)
-    : ServiceFramework{system_, "ISystemAppletProxy"},
-      m_nvnflinger{nvnflinger}, m_process{process}, m_applet{std::move(applet)} {
+                                       Kernel::KProcess* process)
+    : ServiceFramework{system_, "ISystemAppletProxy"}, m_process{process}, m_applet{
+                                                                               std::move(applet)} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, D<&ISystemAppletProxy::GetCommonStateGetter>, "GetCommonStateGetter"},
@@ -83,8 +82,7 @@ Result ISystemAppletProxy::GetWindowController(
 Result ISystemAppletProxy::GetSelfController(
     Out<SharedPointer<ISelfController>> out_self_controller) {
     LOG_DEBUG(Service_AM, "called");
-    *out_self_controller =
-        std::make_shared<ISelfController>(system, m_applet, m_process, m_nvnflinger);
+    *out_self_controller = std::make_shared<ISelfController>(system, m_applet, m_process);
     R_SUCCEED();
 }
 

src/core/hle/service/am/service/system_applet_proxy.h

@@ -25,7 +25,7 @@ class IWindowController;
 class ISystemAppletProxy final : public ServiceFramework<ISystemAppletProxy> {
 public:
     explicit ISystemAppletProxy(Core::System& system, std::shared_ptr<Applet> applet,
-                                Kernel::KProcess* process, Nvnflinger::Nvnflinger& nvnflinger);
+                                Kernel::KProcess* process);
     ~ISystemAppletProxy();
 
 private:
@@ -46,7 +46,6 @@ private:
     Result GetGlobalStateController(
         Out<SharedPointer<IGlobalStateController>> out_global_state_controller);
 
-    Nvnflinger::Nvnflinger& m_nvnflinger;
     Kernel::KProcess* const m_process;
     const std::shared_ptr<Applet> m_applet;
 };

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

@@ -63,7 +63,7 @@ Result IWindowController::RejectToChangeIntoBackground() {
 }
 
 Result IWindowController::SetAppletWindowVisibility(bool visible) {
-    m_applet->system_buffer_manager.SetWindowVisibility(visible);
+    m_applet->display_layer_manager.SetWindowVisibility(visible);
     m_applet->hid_registration.EnableAppletToGetInput(visible);
 
     if (visible) {

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

@@ -1,80 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include "core/hle/service/am/system_buffer_manager.h"
-#include "core/hle/service/nvnflinger/fb_share_buffer_manager.h"
-#include "core/hle/service/nvnflinger/nvnflinger.h"
-#include "core/hle/service/vi/vi_results.h"
-
-namespace Service::AM {
-
-SystemBufferManager::SystemBufferManager() = default;
-
-SystemBufferManager::~SystemBufferManager() {
-    if (!m_nvnflinger) {
-        return;
-    }
-
-    // Clean up shared layers.
-    if (m_buffer_sharing_enabled) {
-        m_nvnflinger->GetSystemBufferManager().Finalize(m_process);
-    }
-}
-
-bool SystemBufferManager::Initialize(Nvnflinger::Nvnflinger* nvnflinger, Kernel::KProcess* process,
-                                     AppletId applet_id, LibraryAppletMode mode) {
-    if (m_nvnflinger) {
-        return m_buffer_sharing_enabled;
-    }
-
-    m_process = process;
-    m_nvnflinger = nvnflinger;
-    m_buffer_sharing_enabled = false;
-    m_system_shared_buffer_id = 0;
-    m_system_shared_layer_id = 0;
-
-    if (applet_id <= AppletId::Application) {
-        return false;
-    }
-
-    Nvnflinger::LayerBlending blending = Nvnflinger::LayerBlending::None;
-    if (mode == LibraryAppletMode::PartialForeground ||
-        mode == LibraryAppletMode::PartialForegroundIndirectDisplay) {
-        blending = Nvnflinger::LayerBlending::Coverage;
-    }
-
-    const auto display_id = m_nvnflinger->OpenDisplay("Default").value();
-    const auto res = m_nvnflinger->GetSystemBufferManager().Initialize(
-        m_process, &m_system_shared_buffer_id, &m_system_shared_layer_id, display_id, blending);
-
-    if (res.IsSuccess()) {
-        m_buffer_sharing_enabled = true;
-        m_nvnflinger->SetLayerVisibility(m_system_shared_layer_id, m_visible);
-    }
-
-    return m_buffer_sharing_enabled;
-}
-
-void SystemBufferManager::SetWindowVisibility(bool visible) {
-    if (m_visible == visible) {
-        return;
-    }
-
-    m_visible = visible;
-
-    if (m_nvnflinger) {
-        m_nvnflinger->SetLayerVisibility(m_system_shared_layer_id, m_visible);
-    }
-}
-
-Result SystemBufferManager::WriteAppletCaptureBuffer(bool* out_was_written,
-                                                     s32* out_fbshare_layer_index) {
-    if (!m_buffer_sharing_enabled) {
-        return VI::ResultPermissionDenied;
-    }
-
-    return m_nvnflinger->GetSystemBufferManager().WriteAppletCaptureBuffer(out_was_written,
-                                                                           out_fbshare_layer_index);
-}
-
-} // namespace Service::AM

src/core/hle/service/am/system_buffer_manager.h

@@ -1,52 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <set>
-
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-
-#include "core/hle/service/am/am_types.h"
-
-namespace Kernel {
-class KProcess;
-}
-
-namespace Service::Nvnflinger {
-class Nvnflinger;
-}
-
-union Result;
-
-namespace Service::AM {
-
-class SystemBufferManager {
-public:
-    SystemBufferManager();
-    ~SystemBufferManager();
-
-    bool Initialize(Nvnflinger::Nvnflinger* flinger, Kernel::KProcess* process, AppletId applet_id,
-                    LibraryAppletMode mode);
-
-    void GetSystemSharedLayerHandle(u64* out_system_shared_buffer_id,
-                                    u64* out_system_shared_layer_id) {
-        *out_system_shared_buffer_id = m_system_shared_buffer_id;
-        *out_system_shared_layer_id = m_system_shared_layer_id;
-    }
-
-    void SetWindowVisibility(bool visible);
-
-    Result WriteAppletCaptureBuffer(bool* out_was_written, s32* out_fbshare_layer_index);
-
-private:
-    Kernel::KProcess* m_process{};
-    Nvnflinger::Nvnflinger* m_nvnflinger{};
-    bool m_buffer_sharing_enabled{};
-    bool m_visible{true};
-    u64 m_system_shared_buffer_id{};
-    u64 m_system_shared_layer_id{};
-};
-
-} // namespace Service::AM

src/core/hle/service/btm/btm.cpp

@@ -3,141 +3,18 @@
 
 #include <memory>
 
-#include "common/logging/log.h"
-#include "core/core.h"
-#include "core/hle/kernel/k_event.h"
 #include "core/hle/service/btm/btm.h"
-#include "core/hle/service/ipc_helpers.h"
-#include "core/hle/service/kernel_helpers.h"
+#include "core/hle/service/btm/btm_debug.h"
+#include "core/hle/service/btm/btm_system.h"
+#include "core/hle/service/btm/btm_user.h"
 #include "core/hle/service/server_manager.h"
 #include "core/hle/service/service.h"
 
 namespace Service::BTM {
 
-class IBtmUserCore final : public ServiceFramework<IBtmUserCore> {
+class IBtm final : public ServiceFramework<IBtm> {
 public:
-    explicit IBtmUserCore(Core::System& system_)
-        : ServiceFramework{system_, "IBtmUserCore"}, service_context{system_, "IBtmUserCore"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &IBtmUserCore::AcquireBleScanEvent, "AcquireBleScanEvent"},
-            {1, nullptr, "GetBleScanFilterParameter"},
-            {2, nullptr, "GetBleScanFilterParameter2"},
-            {3, nullptr, "StartBleScanForGeneral"},
-            {4, nullptr, "StopBleScanForGeneral"},
-            {5, nullptr, "GetBleScanResultsForGeneral"},
-            {6, nullptr, "StartBleScanForPaired"},
-            {7, nullptr, "StopBleScanForPaired"},
-            {8, nullptr, "StartBleScanForSmartDevice"},
-            {9, nullptr, "StopBleScanForSmartDevice"},
-            {10, nullptr, "GetBleScanResultsForSmartDevice"},
-            {17, &IBtmUserCore::AcquireBleConnectionEvent, "AcquireBleConnectionEvent"},
-            {18, nullptr, "BleConnect"},
-            {19, nullptr, "BleDisconnect"},
-            {20, nullptr, "BleGetConnectionState"},
-            {21, nullptr, "AcquireBlePairingEvent"},
-            {22, nullptr, "BlePairDevice"},
-            {23, nullptr, "BleUnPairDevice"},
-            {24, nullptr, "BleUnPairDevice2"},
-            {25, nullptr, "BleGetPairedDevices"},
-            {26, &IBtmUserCore::AcquireBleServiceDiscoveryEvent, "AcquireBleServiceDiscoveryEvent"},
-            {27, nullptr, "GetGattServices"},
-            {28, nullptr, "GetGattService"},
-            {29, nullptr, "GetGattIncludedServices"},
-            {30, nullptr, "GetBelongingGattService"},
-            {31, nullptr, "GetGattCharacteristics"},
-            {32, nullptr, "GetGattDescriptors"},
-            {33, &IBtmUserCore::AcquireBleMtuConfigEvent, "AcquireBleMtuConfigEvent"},
-            {34, nullptr, "ConfigureBleMtu"},
-            {35, nullptr, "GetBleMtu"},
-            {36, nullptr, "RegisterBleGattDataPath"},
-            {37, nullptr, "UnregisterBleGattDataPath"},
-        };
-        // clang-format on
-        RegisterHandlers(functions);
-
-        scan_event = service_context.CreateEvent("IBtmUserCore:ScanEvent");
-        connection_event = service_context.CreateEvent("IBtmUserCore:ConnectionEvent");
-        service_discovery_event = service_context.CreateEvent("IBtmUserCore:DiscoveryEvent");
-        config_event = service_context.CreateEvent("IBtmUserCore:ConfigEvent");
-    }
-
-    ~IBtmUserCore() override {
-        service_context.CloseEvent(scan_event);
-        service_context.CloseEvent(connection_event);
-        service_context.CloseEvent(service_discovery_event);
-        service_context.CloseEvent(config_event);
-    }
-
-private:
-    void AcquireBleScanEvent(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-
-        IPC::ResponseBuilder rb{ctx, 3, 1};
-        rb.Push(ResultSuccess);
-        rb.Push(true);
-        rb.PushCopyObjects(scan_event->GetReadableEvent());
-    }
-
-    void AcquireBleConnectionEvent(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-
-        IPC::ResponseBuilder rb{ctx, 3, 1};
-        rb.Push(ResultSuccess);
-        rb.Push(true);
-        rb.PushCopyObjects(connection_event->GetReadableEvent());
-    }
-
-    void AcquireBleServiceDiscoveryEvent(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-
-        IPC::ResponseBuilder rb{ctx, 3, 1};
-        rb.Push(ResultSuccess);
-        rb.Push(true);
-        rb.PushCopyObjects(service_discovery_event->GetReadableEvent());
-    }
-
-    void AcquireBleMtuConfigEvent(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-
-        IPC::ResponseBuilder rb{ctx, 3, 1};
-        rb.Push(ResultSuccess);
-        rb.Push(true);
-        rb.PushCopyObjects(config_event->GetReadableEvent());
-    }
-
-    KernelHelpers::ServiceContext service_context;
-
-    Kernel::KEvent* scan_event;
-    Kernel::KEvent* connection_event;
-    Kernel::KEvent* service_discovery_event;
-    Kernel::KEvent* config_event;
-};
-
-class BTM_USR final : public ServiceFramework<BTM_USR> {
-public:
-    explicit BTM_USR(Core::System& system_) : ServiceFramework{system_, "btm:u"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &BTM_USR::GetCore, "GetCore"},
-        };
-        // clang-format on
-        RegisterHandlers(functions);
-    }
-
-private:
-    void GetCore(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "called");
-
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-        rb.Push(ResultSuccess);
-        rb.PushIpcInterface<IBtmUserCore>(system);
-    }
-};
-
-class BTM final : public ServiceFramework<BTM> {
-public:
-    explicit BTM(Core::System& system_) : ServiceFramework{system_, "btm"} {
+    explicit IBtm(Core::System& system_) : ServiceFramework{system_, "btm"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "GetState"},
@@ -232,144 +109,13 @@ public:
     }
 };
 
-class BTM_DBG final : public ServiceFramework<BTM_DBG> {
-public:
-    explicit BTM_DBG(Core::System& system_) : ServiceFramework{system_, "btm:dbg"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, nullptr, "AcquireDiscoveryEvent"},
-            {1, nullptr, "StartDiscovery"},
-            {2, nullptr, "CancelDiscovery"},
-            {3, nullptr, "GetDeviceProperty"},
-            {4, nullptr, "CreateBond"},
-            {5, nullptr, "CancelBond"},
-            {6, nullptr, "SetTsiMode"},
-            {7, nullptr, "GeneralTest"},
-            {8, nullptr, "HidConnect"},
-            {9, nullptr, "GeneralGet"},
-            {10, nullptr, "GetGattClientDisconnectionReason"},
-            {11, nullptr, "GetBleConnectionParameter"},
-            {12, nullptr, "GetBleConnectionParameterRequest"},
-            {13, nullptr, "Unknown13"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-    }
-};
-
-class IBtmSystemCore final : public ServiceFramework<IBtmSystemCore> {
-public:
-    explicit IBtmSystemCore(Core::System& system_) : ServiceFramework{system_, "IBtmSystemCore"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &IBtmSystemCore::StartGamepadPairing, "StartGamepadPairing"},
-            {1, &IBtmSystemCore::CancelGamepadPairing, "CancelGamepadPairing"},
-            {2, nullptr, "ClearGamepadPairingDatabase"},
-            {3, nullptr, "GetPairedGamepadCount"},
-            {4, nullptr, "EnableRadio"},
-            {5, nullptr, "DisableRadio"},
-            {6, &IBtmSystemCore::IsRadioEnabled, "IsRadioEnabled"},
-            {7, nullptr, "AcquireRadioEvent"},
-            {8, nullptr, "AcquireGamepadPairingEvent"},
-            {9, nullptr, "IsGamepadPairingStarted"},
-            {10, nullptr, "StartAudioDeviceDiscovery"},
-            {11, nullptr, "StopAudioDeviceDiscovery"},
-            {12, nullptr, "IsDiscoveryingAudioDevice"},
-            {13, nullptr, "GetDiscoveredAudioDevice"},
-            {14, nullptr, "AcquireAudioDeviceConnectionEvent"},
-            {15, nullptr, "ConnectAudioDevice"},
-            {16, nullptr, "IsConnectingAudioDevice"},
-            {17, &IBtmSystemCore::GetConnectedAudioDevices, "GetConnectedAudioDevices"},
-            {18, nullptr, "DisconnectAudioDevice"},
-            {19, nullptr, "AcquirePairedAudioDeviceInfoChangedEvent"},
-            {20, &IBtmSystemCore::GetPairedAudioDevices, "GetPairedAudioDevices"},
-            {21, nullptr, "RemoveAudioDevicePairing"},
-            {22, &IBtmSystemCore::RequestAudioDeviceConnectionRejection, "RequestAudioDeviceConnectionRejection"},
-            {23, &IBtmSystemCore::CancelAudioDeviceConnectionRejection, "CancelAudioDeviceConnectionRejection"}
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-    }
-
-private:
-    void IsRadioEnabled(HLERequestContext& ctx) {
-        LOG_DEBUG(Service_BTM, "(STUBBED) called"); // Spams a lot when controller applet is running
-
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        rb.Push(true);
-    }
-
-    void StartGamepadPairing(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    void CancelGamepadPairing(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    void CancelAudioDeviceConnectionRejection(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-
-    void GetConnectedAudioDevices(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        rb.Push<u32>(0);
-    }
-
-    void GetPairedAudioDevices(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
-        rb.Push<u32>(0);
-    }
-
-    void RequestAudioDeviceConnectionRejection(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "(STUBBED) called");
-        IPC::ResponseBuilder rb{ctx, 2};
-        rb.Push(ResultSuccess);
-    }
-};
-
-class BTM_SYS final : public ServiceFramework<BTM_SYS> {
-public:
-    explicit BTM_SYS(Core::System& system_) : ServiceFramework{system_, "btm:sys"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &BTM_SYS::GetCore, "GetCore"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-    }
-
-private:
-    void GetCore(HLERequestContext& ctx) {
-        LOG_WARNING(Service_BTM, "called");
-
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-        rb.Push(ResultSuccess);
-        rb.PushIpcInterface<IBtmSystemCore>(system);
-    }
-};
-
 void LoopProcess(Core::System& system) {
     auto server_manager = std::make_unique<ServerManager>(system);
 
-    server_manager->RegisterNamedService("btm", std::make_shared<BTM>(system));
-    server_manager->RegisterNamedService("btm:dbg", std::make_shared<BTM_DBG>(system));
-    server_manager->RegisterNamedService("btm:sys", std::make_shared<BTM_SYS>(system));
-    server_manager->RegisterNamedService("btm:u", std::make_shared<BTM_USR>(system));
+    server_manager->RegisterNamedService("btm", std::make_shared<IBtm>(system));
+    server_manager->RegisterNamedService("btm:dbg", std::make_shared<IBtmDebug>(system));
+    server_manager->RegisterNamedService("btm:sys", std::make_shared<IBtmSystem>(system));
+    server_manager->RegisterNamedService("btm:u", std::make_shared<IBtmUser>(system));
     ServerManager::RunServer(std::move(server_manager));
 }
 

src/core/hle/service/btm/btm.h

@@ -3,10 +3,6 @@
 
 #pragma once
 
-namespace Service::SM {
-class ServiceManager;
-}
-
 namespace Core {
 class System;
 };

src/core/hle/service/btm/btm_debug.cpp

@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/service/btm/btm_debug.h"
+
+namespace Service::BTM {
+
+IBtmDebug::IBtmDebug(Core::System& system_) : ServiceFramework{system_, "btm:dbg"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "AcquireDiscoveryEvent"},
+        {1, nullptr, "StartDiscovery"},
+        {2, nullptr, "CancelDiscovery"},
+        {3, nullptr, "GetDeviceProperty"},
+        {4, nullptr, "CreateBond"},
+        {5, nullptr, "CancelBond"},
+        {6, nullptr, "SetTsiMode"},
+        {7, nullptr, "GeneralTest"},
+        {8, nullptr, "HidConnect"},
+        {9, nullptr, "GeneralGet"},
+        {10, nullptr, "GetGattClientDisconnectionReason"},
+        {11, nullptr, "GetBleConnectionParameter"},
+        {12, nullptr, "GetBleConnectionParameterRequest"},
+        {13, nullptr, "Unknown13"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IBtmDebug::~IBtmDebug() = default;
+
+} // namespace Service::BTM

src/core/hle/service/btm/btm_debug.h

@@ -0,0 +1,21 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::BTM {
+
+class IBtmDebug final : public ServiceFramework<IBtmDebug> {
+public:
+    explicit IBtmDebug(Core::System& system_);
+    ~IBtmDebug() override;
+};
+
+} // namespace Service::BTM

src/core/hle/service/btm/btm_system.cpp

@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "common/logging/log.h"
+#include "core/hle/service/btm/btm_system.h"
+#include "core/hle/service/btm/btm_system_core.h"
+#include "core/hle/service/cmif_serialization.h"
+#include "core/hle/service/service.h"
+
+namespace Service::BTM {
+
+IBtmSystem::IBtmSystem(Core::System& system_) : ServiceFramework{system_, "btm:sys"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&IBtmSystem::GetCore>, "GetCore"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IBtmSystem::~IBtmSystem() = default;
+
+Result IBtmSystem::GetCore(OutInterface<IBtmSystemCore> out_interface) {
+    LOG_WARNING(Service_BTM, "called");
+
+    *out_interface = std::make_shared<IBtmSystemCore>(system);
+    R_SUCCEED();
+}
+
+} // namespace Service::BTM

src/core/hle/service/btm/btm_system.h

@@ -0,0 +1,25 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/service.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::BTM {
+class IBtmSystemCore;
+
+class IBtmSystem final : public ServiceFramework<IBtmSystem> {
+public:
+    explicit IBtmSystem(Core::System& system_);
+    ~IBtmSystem() override;
+
+private:
+    Result GetCore(OutInterface<IBtmSystemCore> out_interface);
+};
+
+} // namespace Service::BTM

src/core/hle/service/btm/btm_system_core.cpp

@@ -0,0 +1,127 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "common/logging/log.h"
+#include "core/hle/service/btm/btm_system_core.h"
+#include "core/hle/service/cmif_serialization.h"
+#include "core/hle/service/set/system_settings_server.h"
+#include "core/hle/service/sm/sm.h"
+
+namespace Service::BTM {
+
+IBtmSystemCore::IBtmSystemCore(Core::System& system_)
+    : ServiceFramework{system_, "IBtmSystemCore"}, service_context{system_, "IBtmSystemCore"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, C<&IBtmSystemCore::StartGamepadPairing>, "StartGamepadPairing"},
+        {1, C<&IBtmSystemCore::CancelGamepadPairing>, "CancelGamepadPairing"},
+        {2, nullptr, "ClearGamepadPairingDatabase"},
+        {3, nullptr, "GetPairedGamepadCount"},
+        {4, C<&IBtmSystemCore::EnableRadio>, "EnableRadio"},
+        {5, C<&IBtmSystemCore::DisableRadio>, "DisableRadio"},
+        {6, C<&IBtmSystemCore::IsRadioEnabled>, "IsRadioEnabled"},
+        {7, C<&IBtmSystemCore::AcquireRadioEvent>, "AcquireRadioEvent"},
+        {8, nullptr, "AcquireGamepadPairingEvent"},
+        {9, nullptr, "IsGamepadPairingStarted"},
+        {10, nullptr, "StartAudioDeviceDiscovery"},
+        {11, nullptr, "StopAudioDeviceDiscovery"},
+        {12, nullptr, "IsDiscoveryingAudioDevice"},
+        {13, nullptr, "GetDiscoveredAudioDevice"},
+        {14, C<&IBtmSystemCore::AcquireAudioDeviceConnectionEvent>, "AcquireAudioDeviceConnectionEvent"},
+        {15, nullptr, "ConnectAudioDevice"},
+        {16, nullptr, "IsConnectingAudioDevice"},
+        {17, C<&IBtmSystemCore::GetConnectedAudioDevices>, "GetConnectedAudioDevices"},
+        {18, nullptr, "DisconnectAudioDevice"},
+        {19, nullptr, "AcquirePairedAudioDeviceInfoChangedEvent"},
+        {20, C<&IBtmSystemCore::GetPairedAudioDevices>, "GetPairedAudioDevices"},
+        {21, nullptr, "RemoveAudioDevicePairing"},
+        {22, C<&IBtmSystemCore::RequestAudioDeviceConnectionRejection>, "RequestAudioDeviceConnectionRejection"},
+        {23, C<&IBtmSystemCore::CancelAudioDeviceConnectionRejection>, "CancelAudioDeviceConnectionRejection"}
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+    radio_event = service_context.CreateEvent("IBtmSystemCore::RadioEvent");
+    audio_device_connection_event =
+        service_context.CreateEvent("IBtmSystemCore::AudioDeviceConnectionEvent");
+
+    m_set_sys =
+        system.ServiceManager().GetService<Service::Set::ISystemSettingsServer>("set:sys", true);
+}
+
+IBtmSystemCore::~IBtmSystemCore() {
+    service_context.CloseEvent(radio_event);
+    service_context.CloseEvent(audio_device_connection_event);
+}
+
+Result IBtmSystemCore::StartGamepadPairing() {
+    LOG_WARNING(Service_BTM, "(STUBBED) called");
+    R_SUCCEED();
+}
+
+Result IBtmSystemCore::CancelGamepadPairing() {
+    LOG_WARNING(Service_BTM, "(STUBBED) called");
+    R_SUCCEED();
+}
+
+Result IBtmSystemCore::EnableRadio() {
+    LOG_DEBUG(Service_BTM, "called");
+
+    R_RETURN(m_set_sys->SetBluetoothEnableFlag(true));
+}
+Result IBtmSystemCore::DisableRadio() {
+    LOG_DEBUG(Service_BTM, "called");
+
+    R_RETURN(m_set_sys->SetBluetoothEnableFlag(false));
+}
+
+Result IBtmSystemCore::IsRadioEnabled(Out<bool> out_is_enabled) {
+    LOG_DEBUG(Service_BTM, "called");
+
+    R_RETURN(m_set_sys->GetBluetoothEnableFlag(out_is_enabled));
+}
+
+Result IBtmSystemCore::AcquireRadioEvent(Out<bool> out_is_valid,
+                                         OutCopyHandle<Kernel::KReadableEvent> out_event) {
+    LOG_WARNING(Service_BTM, "(STUBBED) called");
+
+    *out_is_valid = true;
+    *out_event = &radio_event->GetReadableEvent();
+    R_SUCCEED();
+}
+
+Result IBtmSystemCore::AcquireAudioDeviceConnectionEvent(
+    OutCopyHandle<Kernel::KReadableEvent> out_event) {
+    LOG_WARNING(Service_BTM, "(STUBBED) called");
+
+    *out_event = &audio_device_connection_event->GetReadableEvent();
+    R_SUCCEED();
+}
+
+Result IBtmSystemCore::GetConnectedAudioDevices(
+    Out<s32> out_count, OutArray<std::array<u8, 0xFF>, BufferAttr_HipcPointer> out_audio_devices) {
+    LOG_WARNING(Service_BTM, "(STUBBED) called");
+
+    *out_count = 0;
+    R_SUCCEED();
+}
+
+Result IBtmSystemCore::GetPairedAudioDevices(
+    Out<s32> out_count, OutArray<std::array<u8, 0xFF>, BufferAttr_HipcPointer> out_audio_devices) {
+    LOG_WARNING(Service_BTM, "(STUBBED) called");
+
+    *out_count = 0;
+    R_SUCCEED();
+}
+
+Result IBtmSystemCore::RequestAudioDeviceConnectionRejection(ClientAppletResourceUserId aruid) {
+    LOG_WARNING(Service_BTM, "(STUBBED) called, applet_resource_user_id={}", aruid.pid);
+    R_SUCCEED();
+}
+
+Result IBtmSystemCore::CancelAudioDeviceConnectionRejection(ClientAppletResourceUserId aruid) {
+    LOG_WARNING(Service_BTM, "(STUBBED) called, applet_resource_user_id={}", aruid.pid);
+    R_SUCCEED();
+}
+
+} // namespace Service::BTM

src/core/hle/service/btm/btm_system_core.h

@@ -0,0 +1,60 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/service/cmif_types.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "core/hle/service/service.h"
+
+namespace Kernel {
+class KEvent;
+class KReadableEvent;
+} // namespace Kernel
+
+namespace Core {
+class System;
+}
+
+namespace Service::Set {
+class ISystemSettingsServer;
+}
+
+namespace Service::BTM {
+
+class IBtmSystemCore final : public ServiceFramework<IBtmSystemCore> {
+public:
+    explicit IBtmSystemCore(Core::System& system_);
+    ~IBtmSystemCore() override;
+
+private:
+    Result StartGamepadPairing();
+    Result CancelGamepadPairing();
+    Result EnableRadio();
+    Result DisableRadio();
+    Result IsRadioEnabled(Out<bool> out_is_enabled);
+
+    Result AcquireRadioEvent(Out<bool> out_is_valid,
+                             OutCopyHandle<Kernel::KReadableEvent> out_event);
+
+    Result AcquireAudioDeviceConnectionEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
+
+    Result GetConnectedAudioDevices(
+        Out<s32> out_count,
+        OutArray<std::array<u8, 0xFF>, BufferAttr_HipcPointer> out_audio_devices);
+
+    Result GetPairedAudioDevices(
+        Out<s32> out_count,
+        OutArray<std::array<u8, 0xFF>, BufferAttr_HipcPointer> out_audio_devices);
+
+    Result RequestAudioDeviceConnectionRejection(ClientAppletResourceUserId aruid);
+    Result CancelAudioDeviceConnectionRejection(ClientAppletResourceUserId aruid);
+
+    KernelHelpers::ServiceContext service_context;
+
+    Kernel::KEvent* radio_event;
+    Kernel::KEvent* audio_device_connection_event;
+    std::shared_ptr<Service::Set::ISystemSettingsServer> m_set_sys;
+};
+
+} // namespace Service::BTM