Only use SDL wakelock on Linux

SDL has internally fixed shenanigans related to wakelocking through DBus
from inside sandboxes from around August 2022, so we can now remove the
workaround we used since 2021.

.gitmodules

@@ -52,3 +52,6 @@
 [submodule "libadrenotools"]
 	path = externals/libadrenotools
 	url = https://github.com/bylaws/libadrenotools
+[submodule "tzdb_to_nx"]
+	path = externals/nx_tzdb/tzdb_to_nx
+	url = https://github.com/lat9nq/tzdb_to_nx.git

CMakeLists.txt

@@ -59,6 +59,8 @@ option(YUZU_CHECK_SUBMODULES "Check if submodules are present" ON)
 
 option(YUZU_ENABLE_LTO "Enable link-time optimization" OFF)
 
+option(YUZU_DOWNLOAD_TIME_ZONE_DATA "Always download time zone binaries" OFF)
+
 CMAKE_DEPENDENT_OPTION(YUZU_USE_FASTER_LD "Check if a faster linker is available" ON "NOT WIN32" OFF)
 
 # On Android, fetch and compile libcxx before doing anything else
@@ -487,7 +489,7 @@ if (ENABLE_SDL2)
     if (YUZU_USE_BUNDLED_SDL2)
         # Detect toolchain and platform
         if ((MSVC_VERSION GREATER_EQUAL 1920 AND MSVC_VERSION LESS 1940) AND ARCHITECTURE_x86_64)
-            set(SDL2_VER "SDL2-2.0.18")
+            set(SDL2_VER "SDL2-2.28.0")
         else()
             message(FATAL_ERROR "No bundled SDL2 binaries for your toolchain. Disable YUZU_USE_BUNDLED_SDL2 and provide your own.")
         endif()
@@ -507,7 +509,7 @@ if (ENABLE_SDL2)
     elseif (YUZU_USE_EXTERNAL_SDL2)
         message(STATUS "Using SDL2 from externals.")
     else()
-        find_package(SDL2 2.0.18 REQUIRED)
+        find_package(SDL2 2.26.4 REQUIRED)
     endif()
 endif()
 

externals/nx_tzdb/CMakeLists.txt

@@ -1,24 +1,60 @@
 # SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-set(NX_TZDB_VERSION "220816")
-set(NX_TZDB_DOWNLOAD_URL "https://github.com/lat9nq/tzdb_to_nx/releases/download/${NX_TZDB_VERSION}/${NX_TZDB_VERSION}.zip")
-
-set(NX_TZDB_ARCHIVE "${CMAKE_CURRENT_BINARY_DIR}/${NX_TZDB_VERSION}.zip")
-set(NX_TZDB_DIR "${CMAKE_CURRENT_BINARY_DIR}/nx_tzdb")
-
 set(NX_TZDB_INCLUDE_DIR "${CMAKE_CURRENT_BINARY_DIR}/include")
 
-if (NOT EXISTS ${NX_TZDB_ARCHIVE})
-    file(DOWNLOAD ${NX_TZDB_DOWNLOAD_URL} ${NX_TZDB_ARCHIVE})
+add_library(nx_tzdb INTERFACE)
+
+find_program(GIT git)
+find_program(GNU_MAKE make)
+find_program(DATE_PROG date)
+
+set(CAN_BUILD_NX_TZDB true)
+
+if (NOT GIT)
+    set(CAN_BUILD_NX_TZDB false)
+endif()
+if (NOT GNU_MAKE)
+    set(CAN_BUILD_NX_TZDB false)
+endif()
+if (NOT DATE_PROG)
+    set(CAN_BUILD_NX_TZDB false)
+endif()
+if (CMAKE_SYSTEM_NAME STREQUAL "Windows" OR ANDROID)
+    # tzdb_to_nx currently requires a posix-compliant host
+    # MinGW and Android are handled here due to the executable format being different from the host system
+    # TODO (lat9nq): cross-compiling support
+    set(CAN_BUILD_NX_TZDB false)
+endif()
+
+set(NX_TZDB_VERSION "220816")
+set(NX_TZDB_ARCHIVE "${CMAKE_CURRENT_BINARY_DIR}/${NX_TZDB_VERSION}.zip")
+
+set(NX_TZDB_ROMFS_DIR "${CMAKE_CURRENT_BINARY_DIR}/nx_tzdb")
+
+if ((NOT CAN_BUILD_NX_TZDB OR YUZU_DOWNLOAD_TIME_ZONE_DATA) AND NOT EXISTS ${NX_TZDB_ARCHIVE})
+    set(NX_TZDB_DOWNLOAD_URL "https://github.com/lat9nq/tzdb_to_nx/releases/download/${NX_TZDB_VERSION}/${NX_TZDB_VERSION}.zip")
+
+    message(STATUS "Downloading time zone data from ${NX_TZDB_DOWNLOAD_URL}...")
+    file(DOWNLOAD ${NX_TZDB_DOWNLOAD_URL} ${NX_TZDB_ARCHIVE}
+        STATUS NX_TZDB_DOWNLOAD_STATUS)
+    list(GET NX_TZDB_DOWNLOAD_STATUS 0 NX_TZDB_DOWNLOAD_STATUS_CODE)
+    if (NOT NX_TZDB_DOWNLOAD_STATUS_CODE EQUAL 0)
+        message(FATAL_ERROR "Time zone data download failed (status code ${NX_TZDB_DOWNLOAD_STATUS_CODE})")
+    endif()
+
     file(ARCHIVE_EXTRACT
         INPUT
             ${NX_TZDB_ARCHIVE}
         DESTINATION
-            ${NX_TZDB_DIR})
+            ${NX_TZDB_ROMFS_DIR})
+elseif (CAN_BUILD_NX_TZDB AND NOT YUZU_DOWNLOAD_TIME_ZONE_DATA)
+    add_subdirectory(tzdb_to_nx)
+    add_dependencies(nx_tzdb x80e)
+
+    set(NX_TZDB_ROMFS_DIR "${NX_TZDB_DIR}")
 endif()
 
-add_library(nx_tzdb INTERFACE)
 target_include_directories(nx_tzdb
     INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include
     INTERFACE ${NX_TZDB_INCLUDE_DIR})
@@ -41,25 +77,25 @@ function(CreateHeader ZONE_PATH HEADER_NAME)
     target_sources(nx_tzdb PRIVATE ${HEADER_PATH})
 endfunction()
 
-CreateHeader(${NX_TZDB_DIR} base)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo zoneinfo)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Africa africa)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/America america)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/America/Argentina america_argentina)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/America/Indiana america_indiana)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/America/Kentucky america_kentucky)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/America/North_Dakota america_north_dakota)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Antartica antartica)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Arctic arctic)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Asia asia)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Atlantic atlantic)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Australia australia)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Brazil brazil)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Canada canada)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Chile chile)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Etc etc)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Europe europe)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Indian indian)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Mexico mexico)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/Pacific pacific)
-CreateHeader(${NX_TZDB_DIR}/zoneinfo/US us)
+CreateHeader(${NX_TZDB_ROMFS_DIR} base)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo zoneinfo)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Africa africa)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America america)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America/Argentina america_argentina)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America/Indiana america_indiana)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America/Kentucky america_kentucky)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America/North_Dakota america_north_dakota)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Antarctica antarctica)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Arctic arctic)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Asia asia)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Atlantic atlantic)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Australia australia)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Brazil brazil)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Canada canada)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Chile chile)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Etc etc)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Europe europe)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Indian indian)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Mexico mexico)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Pacific pacific)
+CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/US us)

externals/nx_tzdb/NxTzdbCreateHeader.cmake

@@ -15,7 +15,7 @@ set(DIRECTORY_NAME ${HEADER_NAME})
 
 set(FILE_DATA "")
 foreach(ZONE_FILE ${FILE_LIST})
-    if ("${ZONE_FILE}" STREQUAL "\n")
+    if (ZONE_FILE STREQUAL "\n")
         continue()
     endif()
 
@@ -26,13 +26,13 @@ foreach(ZONE_FILE ${FILE_LIST})
     foreach(I RANGE 0 ${ZONE_DATA_LEN} 2)
         math(EXPR BREAK_LINE "(${I} + 2) % 38")
 
-        string(SUBSTRING "${ZONE_DATA}" "${I}" "2" HEX_DATA)
-        if ("${HEX_DATA}" STREQUAL "")
+        string(SUBSTRING "${ZONE_DATA}" "${I}" 2 HEX_DATA)
+        if (NOT HEX_DATA)
             break()
         endif()
 
         string(APPEND FILE_DATA "0x${HEX_DATA},")
-        if ("${BREAK_LINE}" STREQUAL "0")
+        if (BREAK_LINE EQUAL 0)
             string(APPEND FILE_DATA "\n")
         else()
             string(APPEND FILE_DATA " ")

externals/nx_tzdb/include/nx_tzdb.h

@@ -9,7 +9,7 @@
 #include "nx_tzdb/america_indiana.h"
 #include "nx_tzdb/america_kentucky.h"
 #include "nx_tzdb/america_north_dakota.h"
-#include "nx_tzdb/antartica.h"
+#include "nx_tzdb/antarctica.h"
 #include "nx_tzdb/arctic.h"
 #include "nx_tzdb/asia.h"
 #include "nx_tzdb/atlantic.h"

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

@@ -286,7 +286,7 @@ object NativeLibrary {
     /**
      * Unpauses emulation from a paused state.
      */
-    external fun unPauseEmulation()
+    external fun unpauseEmulation()
 
     /**
      * Pauses emulation.
@@ -313,6 +313,21 @@ object NativeLibrary {
      */
     external fun isPaused(): Boolean
 
+    /**
+     * Mutes emulation sound
+     */
+    external fun muteAudio(): Boolean
+
+    /**
+     * Unmutes emulation sound
+     */
+    external fun unmuteAudio(): Boolean
+
+    /**
+     * Returns true if emulation audio is muted.
+     */
+    external fun isMuted(): Boolean
+
     /**
      * Returns the performance stats for the current game
      */

src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt

@@ -27,13 +27,13 @@ import android.view.MotionEvent
 import android.view.Surface
 import android.view.View
 import android.view.inputmethod.InputMethodManager
+import android.widget.Toast
 import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsControllerCompat
 import androidx.navigation.fragment.NavHostFragment
-import kotlin.math.roundToInt
 import org.yuzu.yuzu_emu.NativeLibrary
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.databinding.ActivityEmulationBinding
@@ -44,8 +44,10 @@ import org.yuzu.yuzu_emu.model.Game
 import org.yuzu.yuzu_emu.utils.ControllerMappingHelper
 import org.yuzu.yuzu_emu.utils.ForegroundService
 import org.yuzu.yuzu_emu.utils.InputHandler
+import org.yuzu.yuzu_emu.utils.MemoryUtil
 import org.yuzu.yuzu_emu.utils.NfcReader
 import org.yuzu.yuzu_emu.utils.ThemeHelper
+import kotlin.math.roundToInt
 
 class EmulationActivity : AppCompatActivity(), SensorEventListener {
     private lateinit var binding: ActivityEmulationBinding
@@ -63,6 +65,8 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
 
     private val actionPause = "ACTION_EMULATOR_PAUSE"
     private val actionPlay = "ACTION_EMULATOR_PLAY"
+    private val actionMute = "ACTION_EMULATOR_MUTE"
+    private val actionUnmute = "ACTION_EMULATOR_UNMUTE"
 
     private val settingsViewModel: SettingsViewModel by viewModels()
 
@@ -102,6 +106,19 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
         inputHandler = InputHandler()
         inputHandler.initialize()
 
+        val memoryUtil = MemoryUtil(this)
+        if (memoryUtil.isLessThan(8, MemoryUtil.Gb)) {
+            Toast.makeText(
+                this,
+                getString(
+                    R.string.device_memory_inadequate,
+                    memoryUtil.getDeviceRAM(),
+                    "8 ${getString(R.string.memory_gigabyte)}"
+                ),
+                Toast.LENGTH_LONG
+            ).show()
+        }
+
         // Start a foreground service to prevent the app from getting killed in the background
         val startIntent = Intent(this, ForegroundService::class.java)
         startForegroundService(startIntent)
@@ -305,6 +322,41 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
             pictureInPictureActions.add(pauseRemoteAction)
         }
 
+        if (NativeLibrary.isMuted()) {
+            val unmuteIcon = Icon.createWithResource(
+                this@EmulationActivity,
+                R.drawable.ic_pip_unmute
+            )
+            val unmutePendingIntent = PendingIntent.getBroadcast(
+                this@EmulationActivity,
+                R.drawable.ic_pip_unmute,
+                Intent(actionUnmute),
+                pendingFlags
+            )
+            val unmuteRemoteAction = RemoteAction(
+                unmuteIcon,
+                getString(R.string.unmute),
+                getString(R.string.unmute),
+                unmutePendingIntent
+            )
+            pictureInPictureActions.add(unmuteRemoteAction)
+        } else {
+            val muteIcon = Icon.createWithResource(this@EmulationActivity, R.drawable.ic_pip_mute)
+            val mutePendingIntent = PendingIntent.getBroadcast(
+                this@EmulationActivity,
+                R.drawable.ic_pip_mute,
+                Intent(actionMute),
+                pendingFlags
+            )
+            val muteRemoteAction = RemoteAction(
+                muteIcon,
+                getString(R.string.mute),
+                getString(R.string.mute),
+                mutePendingIntent
+            )
+            pictureInPictureActions.add(muteRemoteAction)
+        }
+
         return this.apply { setActions(pictureInPictureActions) }
     }
 
@@ -322,10 +374,15 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
     private var pictureInPictureReceiver = object : BroadcastReceiver() {
         override fun onReceive(context: Context?, intent: Intent) {
             if (intent.action == actionPlay) {
-                if (NativeLibrary.isPaused()) NativeLibrary.unPauseEmulation()
+                if (NativeLibrary.isPaused()) NativeLibrary.unpauseEmulation()
             } else if (intent.action == actionPause) {
                 if (!NativeLibrary.isPaused()) NativeLibrary.pauseEmulation()
             }
+            if (intent.action == actionUnmute) {
+                if (NativeLibrary.isMuted()) NativeLibrary.unmuteAudio()
+            } else if (intent.action == actionMute) {
+                if (!NativeLibrary.isMuted()) NativeLibrary.muteAudio()
+            }
             buildPictureInPictureParams()
         }
     }
@@ -339,6 +396,8 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
             IntentFilter().apply {
                 addAction(actionPause)
                 addAction(actionPlay)
+                addAction(actionMute)
+                addAction(actionUnmute)
             }.also {
                 registerReceiver(pictureInPictureReceiver, it)
             }
@@ -347,6 +406,8 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
                 unregisterReceiver(pictureInPictureReceiver)
             } catch (ignored: Exception) {
             }
+            // Always resume audio, since there is no UI button
+            if (NativeLibrary.isMuted()) NativeLibrary.unmuteAudio()
         }
     }
 

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

@@ -714,7 +714,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 State.PAUSED -> {
                     Log.debug("[EmulationFragment] Resuming emulation.")
                     NativeLibrary.surfaceChanged(surface)
-                    NativeLibrary.unPauseEmulation()
+                    NativeLibrary.unpauseEmulation()
                 }
 
                 else -> Log.debug("[EmulationFragment] Bug, run called while already running.")

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

@@ -68,79 +68,109 @@ class HomeSettingsFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         mainActivity = requireActivity() as MainActivity
 
-        val optionsList: MutableList<HomeSetting> = mutableListOf(
-            HomeSetting(
-                R.string.advanced_settings,
-                R.string.settings_description,
-                R.drawable.ic_settings
-            ) { SettingsActivity.launch(requireContext(), SettingsFile.FILE_NAME_CONFIG, "") },
-            HomeSetting(
-                R.string.open_user_folder,
-                R.string.open_user_folder_description,
-                R.drawable.ic_folder_open
-            ) { openFileManager() },
-            HomeSetting(
-                R.string.preferences_theme,
-                R.string.theme_and_color_description,
-                R.drawable.ic_palette
-            ) { SettingsActivity.launch(requireContext(), Settings.SECTION_THEME, "") },
-            HomeSetting(
-                R.string.install_gpu_driver,
-                R.string.install_gpu_driver_description,
-                R.drawable.ic_exit
-            ) { driverInstaller() },
-            HomeSetting(
-                R.string.install_amiibo_keys,
-                R.string.install_amiibo_keys_description,
-                R.drawable.ic_nfc
-            ) { mainActivity.getAmiiboKey.launch(arrayOf("*/*")) },
-            HomeSetting(
-                R.string.install_game_content,
-                R.string.install_game_content_description,
-                R.drawable.ic_system_update_alt
-            ) { mainActivity.installGameUpdate.launch(arrayOf("*/*")) },
-            HomeSetting(
-                R.string.select_games_folder,
-                R.string.select_games_folder_description,
-                R.drawable.ic_add
-            ) {
-                mainActivity.getGamesDirectory.launch(Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).data)
-            },
-            HomeSetting(
-                R.string.manage_save_data,
-                R.string.import_export_saves_description,
-                R.drawable.ic_save
-            ) {
-                ImportExportSavesFragment().show(
-                    parentFragmentManager,
-                    ImportExportSavesFragment.TAG
+        val optionsList: MutableList<HomeSetting> = mutableListOf<HomeSetting>().apply {
+            add(
+                HomeSetting(
+                    R.string.advanced_settings,
+                    R.string.settings_description,
+                    R.drawable.ic_settings
+                ) { SettingsActivity.launch(requireContext(), SettingsFile.FILE_NAME_CONFIG, "") }
+            )
+            add(
+                HomeSetting(
+                    R.string.open_user_folder,
+                    R.string.open_user_folder_description,
+                    R.drawable.ic_folder_open
+                ) { openFileManager() }
+            )
+            add(
+                HomeSetting(
+                    R.string.preferences_theme,
+                    R.string.theme_and_color_description,
+                    R.drawable.ic_palette
+                ) { SettingsActivity.launch(requireContext(), Settings.SECTION_THEME, "") }
+            )
+
+            if (GpuDriverHelper.supportsCustomDriverLoading()) {
+                add(
+                    HomeSetting(
+                        R.string.install_gpu_driver,
+                        R.string.install_gpu_driver_description,
+                        R.drawable.ic_exit
+                    ) { driverInstaller() }
                 )
-            },
-            HomeSetting(
-                R.string.install_prod_keys,
-                R.string.install_prod_keys_description,
-                R.drawable.ic_unlock
-            ) { mainActivity.getProdKey.launch(arrayOf("*/*")) },
-            HomeSetting(
-                R.string.install_firmware,
-                R.string.install_firmware_description,
-                R.drawable.ic_firmware
-            ) { mainActivity.getFirmware.launch(arrayOf("application/zip")) },
-            HomeSetting(
-                R.string.share_log,
-                R.string.share_log_description,
-                R.drawable.ic_log
-            ) { shareLog() },
-            HomeSetting(
-                R.string.about,
-                R.string.about_description,
-                R.drawable.ic_info_outline
-            ) {
-                exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
-                parentFragmentManager.primaryNavigationFragment?.findNavController()
-                    ?.navigate(R.id.action_homeSettingsFragment_to_aboutFragment)
             }
-        )
+
+            add(
+                HomeSetting(
+                    R.string.install_amiibo_keys,
+                    R.string.install_amiibo_keys_description,
+                    R.drawable.ic_nfc
+                ) { mainActivity.getAmiiboKey.launch(arrayOf("*/*")) }
+            )
+            add(
+                HomeSetting(
+                    R.string.install_game_content,
+                    R.string.install_game_content_description,
+                    R.drawable.ic_system_update_alt
+                ) { mainActivity.installGameUpdate.launch(arrayOf("*/*")) }
+            )
+            add(
+                HomeSetting(
+                    R.string.select_games_folder,
+                    R.string.select_games_folder_description,
+                    R.drawable.ic_add
+                ) {
+                    mainActivity.getGamesDirectory.launch(
+                        Intent(Intent.ACTION_OPEN_DOCUMENT_TREE).data
+                    )
+                }
+            )
+            add(
+                HomeSetting(
+                    R.string.manage_save_data,
+                    R.string.import_export_saves_description,
+                    R.drawable.ic_save
+                ) {
+                    ImportExportSavesFragment().show(
+                        parentFragmentManager,
+                        ImportExportSavesFragment.TAG
+                    )
+                }
+            )
+            add(
+                HomeSetting(
+                    R.string.install_prod_keys,
+                    R.string.install_prod_keys_description,
+                    R.drawable.ic_unlock
+                ) { mainActivity.getProdKey.launch(arrayOf("*/*")) }
+            )
+            add(
+                HomeSetting(
+                    R.string.install_firmware,
+                    R.string.install_firmware_description,
+                    R.drawable.ic_firmware
+                ) { mainActivity.getFirmware.launch(arrayOf("application/zip")) }
+            )
+            add(
+                HomeSetting(
+                    R.string.share_log,
+                    R.string.share_log_description,
+                    R.drawable.ic_log
+                ) { shareLog() }
+            )
+            add(
+                HomeSetting(
+                    R.string.about,
+                    R.string.about_description,
+                    R.drawable.ic_info_outline
+                ) {
+                    exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, true)
+                    parentFragmentManager.primaryNavigationFragment?.findNavController()
+                        ?.navigate(R.id.action_homeSettingsFragment_to_aboutFragment)
+                }
+            )
+        }
 
         if (!BuildConfig.PREMIUM) {
             optionsList.add(

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

@@ -0,0 +1,62 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.yuzu.yuzu_emu.fragments
+
+import android.app.Dialog
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import androidx.fragment.app.DialogFragment
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.yuzu.yuzu_emu.R
+
+class LongMessageDialogFragment : DialogFragment() {
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        val titleId = requireArguments().getInt(TITLE)
+        val description = requireArguments().getString(DESCRIPTION)
+        val helpLinkId = requireArguments().getInt(HELP_LINK)
+
+        val dialog = MaterialAlertDialogBuilder(requireContext())
+            .setPositiveButton(R.string.close, null)
+            .setTitle(titleId)
+            .setMessage(description)
+
+        if (helpLinkId != 0) {
+            dialog.setNeutralButton(R.string.learn_more) { _, _ ->
+                openLink(getString(helpLinkId))
+            }
+        }
+
+        return dialog.show()
+    }
+
+    private fun openLink(link: String) {
+        val intent = Intent(Intent.ACTION_VIEW, Uri.parse(link))
+        startActivity(intent)
+    }
+
+    companion object {
+        const val TAG = "LongMessageDialogFragment"
+
+        private const val TITLE = "Title"
+        private const val DESCRIPTION = "Description"
+        private const val HELP_LINK = "Link"
+
+        fun newInstance(
+            titleId: Int,
+            description: String,
+            helpLinkId: Int = 0
+        ): LongMessageDialogFragment {
+            val dialog = LongMessageDialogFragment()
+            val bundle = Bundle()
+            bundle.apply {
+                putInt(TITLE, titleId)
+                putString(DESCRIPTION, description)
+                putInt(HELP_LINK, helpLinkId)
+            }
+            dialog.arguments = bundle
+            return dialog
+        }
+    }
+}

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

@@ -4,6 +4,7 @@
 package org.yuzu.yuzu_emu.ui.main
 
 import android.content.Intent
+import android.net.Uri
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup.MarginLayoutParams
@@ -42,6 +43,7 @@ import org.yuzu.yuzu_emu.features.settings.model.SettingsViewModel
 import org.yuzu.yuzu_emu.features.settings.ui.SettingsActivity
 import org.yuzu.yuzu_emu.features.settings.utils.SettingsFile
 import org.yuzu.yuzu_emu.fragments.IndeterminateProgressDialogFragment
+import org.yuzu.yuzu_emu.fragments.LongMessageDialogFragment
 import org.yuzu.yuzu_emu.fragments.MessageDialogFragment
 import org.yuzu.yuzu_emu.model.GamesViewModel
 import org.yuzu.yuzu_emu.model.HomeViewModel
@@ -481,62 +483,110 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
             }
         }
 
-    val installGameUpdate =
-        registerForActivityResult(ActivityResultContracts.OpenDocument()) {
-            if (it == null) {
-                return@registerForActivityResult
-            }
-
+    val installGameUpdate = registerForActivityResult(
+        ActivityResultContracts.OpenMultipleDocuments()
+    ) { documents: List<Uri> ->
+        if (documents.isNotEmpty()) {
             IndeterminateProgressDialogFragment.newInstance(
                 this@MainActivity,
                 R.string.install_game_content
             ) {
-                val result = NativeLibrary.installFileToNand(it.toString())
+                var installSuccess = 0
+                var installOverwrite = 0
+                var errorBaseGame = 0
+                var errorExtension = 0
+                var errorOther = 0
+                var errorTotal = 0
                 lifecycleScope.launch {
-                    withContext(Dispatchers.Main) {
-                        when (result) {
+                    documents.forEach {
+                        when (NativeLibrary.installFileToNand(it.toString())) {
                             NativeLibrary.InstallFileToNandResult.Success -> {
-                                Toast.makeText(
-                                    applicationContext,
-                                    R.string.install_game_content_success,
-                                    Toast.LENGTH_SHORT
-                                ).show()
+                                installSuccess += 1
                             }
 
                             NativeLibrary.InstallFileToNandResult.SuccessFileOverwritten -> {
-                                Toast.makeText(
-                                    applicationContext,
-                                    R.string.install_game_content_success_overwrite,
-                                    Toast.LENGTH_SHORT
-                                ).show()
+                                installOverwrite += 1
                             }
 
                             NativeLibrary.InstallFileToNandResult.ErrorBaseGame -> {
-                                MessageDialogFragment.newInstance(
-                                    R.string.install_game_content_failure,
-                                    R.string.install_game_content_failure_base
-                                ).show(supportFragmentManager, MessageDialogFragment.TAG)
+                                errorBaseGame += 1
                             }
 
                             NativeLibrary.InstallFileToNandResult.ErrorFilenameExtension -> {
-                                MessageDialogFragment.newInstance(
-                                    R.string.install_game_content_failure,
-                                    R.string.install_game_content_failure_file_extension,
-                                    R.string.install_game_content_help_link
-                                ).show(supportFragmentManager, MessageDialogFragment.TAG)
+                                errorExtension += 1
                             }
 
                             else -> {
-                                MessageDialogFragment.newInstance(
-                                    R.string.install_game_content_failure,
-                                    R.string.install_game_content_failure_description,
-                                    R.string.install_game_content_help_link
-                                ).show(supportFragmentManager, MessageDialogFragment.TAG)
+                                errorOther += 1
                             }
                         }
                     }
+                    withContext(Dispatchers.Main) {
+                        val separator = System.getProperty("line.separator") ?: "\n"
+                        val installResult = StringBuilder()
+                        if (installSuccess > 0) {
+                            installResult.append(
+                                getString(
+                                    R.string.install_game_content_success_install,
+                                    installSuccess
+                                )
+                            )
+                            installResult.append(separator)
+                        }
+                        if (installOverwrite > 0) {
+                            installResult.append(
+                                getString(
+                                    R.string.install_game_content_success_overwrite,
+                                    installOverwrite
+                                )
+                            )
+                            installResult.append(separator)
+                        }
+                        errorTotal = errorBaseGame + errorExtension + errorOther
+                        if (errorTotal > 0) {
+                            installResult.append(separator)
+                            installResult.append(
+                                getString(
+                                    R.string.install_game_content_failed_count,
+                                    errorTotal
+                                )
+                            )
+                            installResult.append(separator)
+                            if (errorBaseGame > 0) {
+                                installResult.append(separator)
+                                installResult.append(
+                                    getString(R.string.install_game_content_failure_base)
+                                )
+                                installResult.append(separator)
+                            }
+                            if (errorExtension > 0) {
+                                installResult.append(separator)
+                                installResult.append(
+                                    getString(R.string.install_game_content_failure_file_extension)
+                                )
+                                installResult.append(separator)
+                            }
+                            if (errorOther > 0) {
+                                installResult.append(
+                                    getString(R.string.install_game_content_failure_description)
+                                )
+                                installResult.append(separator)
+                            }
+                            LongMessageDialogFragment.newInstance(
+                                R.string.install_game_content_failure,
+                                installResult.toString().trim(),
+                                R.string.install_game_content_help_link
+                            ).show(supportFragmentManager, LongMessageDialogFragment.TAG)
+                        } else {
+                            LongMessageDialogFragment.newInstance(
+                                R.string.install_game_content_success,
+                                installResult.toString().trim()
+                            ).show(supportFragmentManager, LongMessageDialogFragment.TAG)
+                        }
+                    }
                 }
-                return@newInstance result
+                return@newInstance installSuccess + installOverwrite + errorTotal
             }.show(supportFragmentManager, IndeterminateProgressDialogFragment.TAG)
         }
+    }
 }

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

@@ -113,6 +113,8 @@ object GpuDriverHelper {
         initializeDriverParameters(context)
     }
 
+    external fun supportsCustomDriverLoading(): Boolean
+
     // Parse the custom driver metadata to retrieve the name.
     val customDriverName: String?
         get() {

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

@@ -0,0 +1,59 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.yuzu.yuzu_emu.utils
+
+import android.app.ActivityManager
+import android.content.Context
+import org.yuzu.yuzu_emu.R
+import java.util.Locale
+
+class MemoryUtil(val context: Context) {
+
+    private val Long.floatForm: String
+        get() = String.format(Locale.ROOT, "%.2f", this.toDouble())
+
+    private fun bytesToSizeUnit(size: Long): String {
+        return when {
+            size < Kb -> "${size.floatForm} ${context.getString(R.string.memory_byte)}"
+            size < Mb -> "${(size / Kb).floatForm} ${context.getString(R.string.memory_kilobyte)}"
+            size < Gb -> "${(size / Mb).floatForm} ${context.getString(R.string.memory_megabyte)}"
+            size < Tb -> "${(size / Gb).floatForm} ${context.getString(R.string.memory_gigabyte)}"
+            size < Pb -> "${(size / Tb).floatForm} ${context.getString(R.string.memory_terabyte)}"
+            size < Eb -> "${(size / Pb).floatForm} ${context.getString(R.string.memory_petabyte)}"
+            else -> "${(size / Eb).floatForm} ${context.getString(R.string.memory_exabyte)}"
+        }
+    }
+
+    private val totalMemory =
+        with(context.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager) {
+            val memInfo = ActivityManager.MemoryInfo()
+            getMemoryInfo(memInfo)
+            memInfo.totalMem
+        }
+
+    fun isLessThan(minimum: Int, size: Long): Boolean {
+        return when (size) {
+            Kb -> totalMemory < Mb && totalMemory < minimum
+            Mb -> totalMemory < Gb && (totalMemory / Mb) < minimum
+            Gb -> totalMemory < Tb && (totalMemory / Gb) < minimum
+            Tb -> totalMemory < Pb && (totalMemory / Tb) < minimum
+            Pb -> totalMemory < Eb && (totalMemory / Pb) < minimum
+            Eb -> totalMemory / Eb < minimum
+            else -> totalMemory < Kb && totalMemory < minimum
+        }
+    }
+
+    fun getDeviceRAM(): String {
+        return bytesToSizeUnit(totalMemory)
+    }
+
+    companion object {
+        const val Kb: Long = 1024
+        const val Mb = Kb * 1024
+        const val Gb = Mb * 1024
+        const val Tb = Gb * 1024
+        const val Pb = Tb * 1024
+        const val Eb = Pb * 1024
+    }
+}

src/android/app/src/main/jni/CMakeLists.txt

@@ -14,7 +14,6 @@ add_library(yuzu-android SHARED
     id_cache.cpp
     id_cache.h
     native.cpp
-    native.h
 )
 
 set_property(TARGET yuzu-android PROPERTY IMPORTED_LOCATION ${FFmpeg_LIBRARY_DIR})

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

@@ -14,6 +14,7 @@
 #include <android/api-level.h>
 #include <android/native_window_jni.h>
 #include <core/loader/nro.h>
+#include <jni.h>
 
 #include "common/detached_tasks.h"
 #include "common/dynamic_library.h"
@@ -237,6 +238,7 @@ public:
         m_software_keyboard = android_keyboard.get();
         m_system.SetShuttingDown(false);
         m_system.ApplySettings();
+        Settings::LogSettings();
         m_system.HIDCore().ReloadInputDevices();
         m_system.SetAppletFrontendSet({
             nullptr,                     // Amiibo Settings
@@ -526,83 +528,103 @@ static Core::SystemResultStatus RunEmulation(const std::string& filepath) {
 
 extern "C" {
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_surfaceChanged(JNIEnv* env,
-                                                          [[maybe_unused]] jclass clazz,
-                                                          jobject surf) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_surfaceChanged(JNIEnv* env, jclass clazz, jobject surf) {
     EmulationSession::GetInstance().SetNativeWindow(ANativeWindow_fromSurface(env, surf));
     EmulationSession::GetInstance().SurfaceChanged();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_surfaceDestroyed(JNIEnv* env,
-                                                            [[maybe_unused]] jclass clazz) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_surfaceDestroyed(JNIEnv* env, jclass clazz) {
     ANativeWindow_release(EmulationSession::GetInstance().NativeWindow());
     EmulationSession::GetInstance().SetNativeWindow(nullptr);
     EmulationSession::GetInstance().SurfaceChanged();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_setAppDirectory(JNIEnv* env,
-                                                           [[maybe_unused]] jclass clazz,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_setAppDirectory(JNIEnv* env, jclass clazz,
                                                            jstring j_directory) {
     Common::FS::SetAppDirectory(GetJString(env, j_directory));
 }
 
-int Java_org_yuzu_yuzu_1emu_NativeLibrary_installFileToNand(JNIEnv* env,
-                                                            [[maybe_unused]] jclass clazz,
+int Java_org_yuzu_yuzu_1emu_NativeLibrary_installFileToNand(JNIEnv* env, jclass clazz,
                                                             jstring j_file) {
     return EmulationSession::GetInstance().InstallFileToNand(GetJString(env, j_file));
 }
 
-void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_initializeGpuDriver(
-    JNIEnv* env, [[maybe_unused]] jclass clazz, jstring hook_lib_dir, jstring custom_driver_dir,
-    jstring custom_driver_name, jstring file_redirect_dir) {
+void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_initializeGpuDriver(JNIEnv* env, jclass clazz,
+                                                                       jstring hook_lib_dir,
+                                                                       jstring custom_driver_dir,
+                                                                       jstring custom_driver_name,
+                                                                       jstring file_redirect_dir) {
     EmulationSession::GetInstance().InitializeGpuDriver(
         GetJString(env, hook_lib_dir), GetJString(env, custom_driver_dir),
         GetJString(env, custom_driver_name), GetJString(env, file_redirect_dir));
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_reloadKeys(JNIEnv* env,
-                                                          [[maybe_unused]] jclass clazz) {
+[[maybe_unused]] static bool CheckKgslPresent() {
+    constexpr auto KgslPath{"/dev/kgsl-3d0"};
+
+    return access(KgslPath, F_OK) == 0;
+}
+
+[[maybe_unused]] bool SupportsCustomDriver() {
+    return android_get_device_api_level() >= 28 && CheckKgslPresent();
+}
+
+jboolean JNICALL Java_org_yuzu_yuzu_1emu_utils_GpuDriverHelper_supportsCustomDriverLoading(
+    JNIEnv* env, [[maybe_unused]] jobject instance) {
+#ifdef ARCHITECTURE_arm64
+    // If the KGSL device exists custom drivers can be loaded using adrenotools
+    return SupportsCustomDriver();
+#else
+    return false;
+#endif
+}
+
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_reloadKeys(JNIEnv* env, jclass clazz) {
     Core::Crypto::KeyManager::Instance().ReloadKeys();
     return static_cast<jboolean>(Core::Crypto::KeyManager::Instance().AreKeysLoaded());
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_unPauseEmulation([[maybe_unused]] JNIEnv* env,
-                                                            [[maybe_unused]] jclass clazz) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_unpauseEmulation(JNIEnv* env, jclass clazz) {
     EmulationSession::GetInstance().UnPauseEmulation();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_pauseEmulation([[maybe_unused]] JNIEnv* env,
-                                                          [[maybe_unused]] jclass clazz) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_pauseEmulation(JNIEnv* env, jclass clazz) {
     EmulationSession::GetInstance().PauseEmulation();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_stopEmulation([[maybe_unused]] JNIEnv* env,
-                                                         [[maybe_unused]] jclass clazz) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_stopEmulation(JNIEnv* env, jclass clazz) {
     EmulationSession::GetInstance().HaltEmulation();
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_resetRomMetadata([[maybe_unused]] JNIEnv* env,
-                                                            [[maybe_unused]] jclass clazz) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_resetRomMetadata(JNIEnv* env, jclass clazz) {
     EmulationSession::GetInstance().ResetRomMetadata();
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isRunning([[maybe_unused]] JNIEnv* env,
-                                                         [[maybe_unused]] jclass clazz) {
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isRunning(JNIEnv* env, jclass clazz) {
     return static_cast<jboolean>(EmulationSession::GetInstance().IsRunning());
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isPaused([[maybe_unused]] JNIEnv* env,
-                                                        [[maybe_unused]] jclass clazz) {
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isPaused(JNIEnv* env, jclass clazz) {
     return static_cast<jboolean>(EmulationSession::GetInstance().IsPaused());
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isHandheldOnly([[maybe_unused]] JNIEnv* env,
-                                                              [[maybe_unused]] jclass clazz) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_muteAduio(JNIEnv* env, jclass clazz) {
+    Settings::values.audio_muted = true;
+}
+
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_unmuteAudio(JNIEnv* env, jclass clazz) {
+    Settings::values.audio_muted = false;
+}
+
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isMuted(JNIEnv* env, jclass clazz) {
+    return static_cast<jboolean>(Settings::values.audio_muted.GetValue());
+}
+
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isHandheldOnly(JNIEnv* env, jclass clazz) {
     return EmulationSession::GetInstance().IsHandheldOnly();
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_setDeviceType([[maybe_unused]] JNIEnv* env,
-                                                             [[maybe_unused]] jclass clazz,
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_setDeviceType(JNIEnv* env, jclass clazz,
                                                              jint j_device, jint j_type) {
     if (EmulationSession::GetInstance().IsRunning()) {
         EmulationSession::GetInstance().SetDeviceType(j_device, j_type);
@@ -610,8 +632,7 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_setDeviceType([[maybe_unused]] JN
     return static_cast<jboolean>(true);
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadConnectEvent([[maybe_unused]] JNIEnv* env,
-                                                                     [[maybe_unused]] jclass clazz,
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadConnectEvent(JNIEnv* env, jclass clazz,
                                                                      jint j_device) {
     if (EmulationSession::GetInstance().IsRunning()) {
         EmulationSession::GetInstance().OnGamepadConnectEvent(j_device);
@@ -619,15 +640,14 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadConnectEvent([[maybe_unu
     return static_cast<jboolean>(true);
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadDisconnectEvent(
-    [[maybe_unused]] JNIEnv* env, [[maybe_unused]] jclass clazz, jint j_device) {
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadDisconnectEvent(JNIEnv* env, jclass clazz,
+                                                                        jint j_device) {
     if (EmulationSession::GetInstance().IsRunning()) {
         EmulationSession::GetInstance().OnGamepadDisconnectEvent(j_device);
     }
     return static_cast<jboolean>(true);
 }
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadButtonEvent([[maybe_unused]] JNIEnv* env,
-                                                                    [[maybe_unused]] jclass clazz,
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadButtonEvent(JNIEnv* env, jclass clazz,
                                                                     [[maybe_unused]] jint j_device,
                                                                     jint j_button, jint action) {
     if (EmulationSession::GetInstance().IsRunning()) {
@@ -639,8 +659,7 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadButtonEvent([[maybe_unus
     return static_cast<jboolean>(true);
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadJoystickEvent([[maybe_unused]] JNIEnv* env,
-                                                                      [[maybe_unused]] jclass clazz,
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadJoystickEvent(JNIEnv* env, jclass clazz,
                                                                       jint j_device, jint stick_id,
                                                                       jfloat x, jfloat y) {
     if (EmulationSession::GetInstance().IsRunning()) {
@@ -650,9 +669,8 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadJoystickEvent([[maybe_un
 }
 
 jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadMotionEvent(
-    [[maybe_unused]] JNIEnv* env, [[maybe_unused]] jclass clazz, jint j_device,
-    jlong delta_timestamp, jfloat gyro_x, jfloat gyro_y, jfloat gyro_z, jfloat accel_x,
-    jfloat accel_y, jfloat accel_z) {
+    JNIEnv* env, jclass clazz, jint j_device, jlong delta_timestamp, jfloat gyro_x, jfloat gyro_y,
+    jfloat gyro_z, jfloat accel_x, jfloat accel_y, jfloat accel_z) {
     if (EmulationSession::GetInstance().IsRunning()) {
         EmulationSession::GetInstance().Window().OnGamepadMotionEvent(
             j_device, delta_timestamp, gyro_x, gyro_y, gyro_z, accel_x, accel_y, accel_z);
@@ -660,8 +678,7 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadMotionEvent(
     return static_cast<jboolean>(true);
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onReadNfcTag([[maybe_unused]] JNIEnv* env,
-                                                            [[maybe_unused]] jclass clazz,
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onReadNfcTag(JNIEnv* env, jclass clazz,
                                                             jbyteArray j_data) {
     jboolean isCopy{false};
     std::span<u8> data(reinterpret_cast<u8*>(env->GetByteArrayElements(j_data, &isCopy)),
@@ -673,39 +690,34 @@ jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onReadNfcTag([[maybe_unused]] JNI
     return static_cast<jboolean>(true);
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onRemoveNfcTag([[maybe_unused]] JNIEnv* env,
-                                                              [[maybe_unused]] jclass clazz) {
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_onRemoveNfcTag(JNIEnv* env, jclass clazz) {
     if (EmulationSession::GetInstance().IsRunning()) {
         EmulationSession::GetInstance().Window().OnRemoveNfcTag();
     }
     return static_cast<jboolean>(true);
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_onTouchPressed([[maybe_unused]] JNIEnv* env,
-                                                          [[maybe_unused]] jclass clazz, jint id,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_onTouchPressed(JNIEnv* env, jclass clazz, jint id,
                                                           jfloat x, jfloat y) {
     if (EmulationSession::GetInstance().IsRunning()) {
         EmulationSession::GetInstance().Window().OnTouchPressed(id, x, y);
     }
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_onTouchMoved([[maybe_unused]] JNIEnv* env,
-                                                        [[maybe_unused]] jclass clazz, jint id,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_onTouchMoved(JNIEnv* env, jclass clazz, jint id,
                                                         jfloat x, jfloat y) {
     if (EmulationSession::GetInstance().IsRunning()) {
         EmulationSession::GetInstance().Window().OnTouchMoved(id, x, y);
     }
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_onTouchReleased([[maybe_unused]] JNIEnv* env,
-                                                           [[maybe_unused]] jclass clazz, jint id) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_onTouchReleased(JNIEnv* env, jclass clazz, jint id) {
     if (EmulationSession::GetInstance().IsRunning()) {
         EmulationSession::GetInstance().Window().OnTouchReleased(id);
     }
 }
 
-jbyteArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getIcon([[maybe_unused]] JNIEnv* env,
-                                                         [[maybe_unused]] jclass clazz,
+jbyteArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getIcon(JNIEnv* env, jclass clazz,
                                                          [[maybe_unused]] jstring j_filename) {
     auto icon_data = EmulationSession::GetInstance().GetRomIcon(GetJString(env, j_filename));
     jbyteArray icon = env->NewByteArray(static_cast<jsize>(icon_data.size()));
@@ -714,67 +726,58 @@ jbyteArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getIcon([[maybe_unused]] JNIEnv
     return icon;
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getTitle([[maybe_unused]] JNIEnv* env,
-                                                       [[maybe_unused]] jclass clazz,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getTitle(JNIEnv* env, jclass clazz,
                                                        [[maybe_unused]] jstring j_filename) {
     auto title = EmulationSession::GetInstance().GetRomTitle(GetJString(env, j_filename));
     return env->NewStringUTF(title.c_str());
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getDescription([[maybe_unused]] JNIEnv* env,
-                                                             [[maybe_unused]] jclass clazz,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getDescription(JNIEnv* env, jclass clazz,
                                                              jstring j_filename) {
     return j_filename;
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getGameId([[maybe_unused]] JNIEnv* env,
-                                                        [[maybe_unused]] jclass clazz,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getGameId(JNIEnv* env, jclass clazz,
                                                         jstring j_filename) {
     return j_filename;
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getRegions([[maybe_unused]] JNIEnv* env,
-                                                         [[maybe_unused]] jclass clazz,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getRegions(JNIEnv* env, jclass clazz,
                                                          [[maybe_unused]] jstring j_filename) {
     return env->NewStringUTF("");
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getCompany([[maybe_unused]] JNIEnv* env,
-                                                         [[maybe_unused]] jclass clazz,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getCompany(JNIEnv* env, jclass clazz,
                                                          [[maybe_unused]] jstring j_filename) {
     return env->NewStringUTF("");
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isHomebrew([[maybe_unused]] JNIEnv* env,
-                                                          [[maybe_unused]] jclass clazz,
+jboolean Java_org_yuzu_yuzu_1emu_NativeLibrary_isHomebrew(JNIEnv* env, jclass clazz,
                                                           [[maybe_unused]] jstring j_filename) {
     return EmulationSession::GetInstance().GetIsHomebrew(GetJString(env, j_filename));
 }
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_initializeEmulation
-    [[maybe_unused]] (JNIEnv* env, [[maybe_unused]] jclass clazz) {
+    [[maybe_unused]] (JNIEnv* env, jclass clazz) {
     // Create the default config.ini.
     Config{};
     // Initialize the emulated system.
     EmulationSession::GetInstance().System().Initialize();
 }
 
-jint Java_org_yuzu_yuzu_1emu_NativeLibrary_defaultCPUCore([[maybe_unused]] JNIEnv* env,
-                                                          [[maybe_unused]] jclass clazz) {
+jint Java_org_yuzu_yuzu_1emu_NativeLibrary_defaultCPUCore(JNIEnv* env, jclass clazz) {
     return {};
 }
 
 void Java_org_yuzu_yuzu_1emu_NativeLibrary_run__Ljava_lang_String_2Ljava_lang_String_2Z(
-    [[maybe_unused]] JNIEnv* env, [[maybe_unused]] jclass clazz, [[maybe_unused]] jstring j_file,
+    JNIEnv* env, jclass clazz, [[maybe_unused]] jstring j_file,
     [[maybe_unused]] jstring j_savestate, [[maybe_unused]] jboolean j_delete_savestate) {}
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_reloadSettings([[maybe_unused]] JNIEnv* env,
-                                                          [[maybe_unused]] jclass clazz) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_reloadSettings(JNIEnv* env, jclass clazz) {
     Config{};
 }
 
-jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getUserSetting([[maybe_unused]] JNIEnv* env,
-                                                             [[maybe_unused]] jclass clazz,
+jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getUserSetting(JNIEnv* env, jclass clazz,
                                                              jstring j_game_id, jstring j_section,
                                                              jstring j_key) {
     std::string_view game_id = env->GetStringUTFChars(j_game_id, 0);
@@ -788,8 +791,7 @@ jstring Java_org_yuzu_yuzu_1emu_NativeLibrary_getUserSetting([[maybe_unused]] JN
     return env->NewStringUTF("");
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_setUserSetting([[maybe_unused]] JNIEnv* env,
-                                                          [[maybe_unused]] jclass clazz,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_setUserSetting(JNIEnv* env, jclass clazz,
                                                           jstring j_game_id, jstring j_section,
                                                           jstring j_key, jstring j_value) {
     std::string_view game_id = env->GetStringUTFChars(j_game_id, 0);
@@ -803,16 +805,14 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_setUserSetting([[maybe_unused]] JNIEn
     env->ReleaseStringUTFChars(j_value, value.data());
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_initGameIni([[maybe_unused]] JNIEnv* env,
-                                                       [[maybe_unused]] jclass clazz,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_initGameIni(JNIEnv* env, jclass clazz,
                                                        jstring j_game_id) {
     std::string_view game_id = env->GetStringUTFChars(j_game_id, 0);
 
     env->ReleaseStringUTFChars(j_game_id, game_id.data());
 }
 
-jdoubleArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getPerfStats([[maybe_unused]] JNIEnv* env,
-                                                                [[maybe_unused]] jclass clazz) {
+jdoubleArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getPerfStats(JNIEnv* env, jclass clazz) {
     jdoubleArray j_stats = env->NewDoubleArray(4);
 
     if (EmulationSession::GetInstance().IsRunning()) {
@@ -828,11 +828,11 @@ jdoubleArray Java_org_yuzu_yuzu_1emu_NativeLibrary_getPerfStats([[maybe_unused]]
     return j_stats;
 }
 
-void Java_org_yuzu_yuzu_1emu_utils_DirectoryInitialization_setSysDirectory(
-    [[maybe_unused]] JNIEnv* env, [[maybe_unused]] jclass clazz, jstring j_path) {}
+void Java_org_yuzu_yuzu_1emu_utils_DirectoryInitialization_setSysDirectory(JNIEnv* env,
+                                                                           jclass clazz,
+                                                                           jstring j_path) {}
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_run__Ljava_lang_String_2([[maybe_unused]] JNIEnv* env,
-                                                                    [[maybe_unused]] jclass clazz,
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_run__Ljava_lang_String_2(JNIEnv* env, jclass clazz,
                                                                     jstring j_path) {
     const std::string path = GetJString(env, j_path);
 
@@ -843,8 +843,7 @@ void Java_org_yuzu_yuzu_1emu_NativeLibrary_run__Ljava_lang_String_2([[maybe_unus
     }
 }
 
-void Java_org_yuzu_yuzu_1emu_NativeLibrary_logDeviceInfo([[maybe_unused]] JNIEnv* env,
-                                                         [[maybe_unused]] jclass clazz) {
+void Java_org_yuzu_yuzu_1emu_NativeLibrary_logDeviceInfo(JNIEnv* env, jclass clazz) {
     LOG_INFO(Frontend, "yuzu Version: {}-{}", Common::g_scm_branch, Common::g_scm_desc);
     LOG_INFO(Frontend, "Host OS: Android API level {}", android_get_device_api_level());
 }

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

@@ -1,165 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <jni.h>
-
-// Function calls from the Java side
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_UnPauseEmulation(JNIEnv* env,
-                                                                              jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_PauseEmulation(JNIEnv* env,
-                                                                            jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_StopEmulation(JNIEnv* env,
-                                                                           jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_ResetRomMetadata(JNIEnv* env,
-                                                                              jclass clazz);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_IsRunning(JNIEnv* env,
-                                                                           jclass clazz);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_isHandheldOnly(JNIEnv* env,
-                                                                                jclass clazz);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_setDeviceType(JNIEnv* env,
-                                                                               jclass clazz,
-                                                                               jstring j_device,
-                                                                               jstring j_type);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadConnectEvent(
-    JNIEnv* env, jclass clazz, jstring j_device);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadDisconnectEvent(
-    JNIEnv* env, jclass clazz, jstring j_device);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadEvent(
-    JNIEnv* env, jclass clazz, jstring j_device, jint j_button, jint action);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadMoveEvent(
-    JNIEnv* env, jclass clazz, jstring j_device, jint axis, jfloat x, jfloat y);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_onGamePadAxisEvent(
-    JNIEnv* env, jclass clazz, jstring j_device, jint axis_id, jfloat axis_val);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_onReadNfcTag(JNIEnv* env,
-                                                                              jclass clazz,
-                                                                              jbyteArray j_data);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_onRemoveNfcTag(JNIEnv* env,
-                                                                                jclass clazz);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_onTouchEvent(JNIEnv* env,
-                                                                              jclass clazz,
-                                                                              jfloat x, jfloat y,
-                                                                              jboolean pressed);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_onTouchMoved(JNIEnv* env, jclass clazz,
-                                                                          jfloat x, jfloat y);
-
-JNIEXPORT jbyteArray JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_GetIcon(JNIEnv* env,
-                                                                           jclass clazz,
-                                                                           jstring j_file);
-
-JNIEXPORT jstring JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_GetTitle(JNIEnv* env, jclass clazz,
-                                                                         jstring j_filename);
-
-JNIEXPORT jstring JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_GetDescription(JNIEnv* env,
-                                                                               jclass clazz,
-                                                                               jstring j_filename);
-
-JNIEXPORT jstring JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_GetGameId(JNIEnv* env, jclass clazz,
-                                                                          jstring j_filename);
-
-JNIEXPORT jstring JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_GetRegions(JNIEnv* env,
-                                                                           jclass clazz,
-                                                                           jstring j_filename);
-
-JNIEXPORT jstring JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_GetCompany(JNIEnv* env,
-                                                                           jclass clazz,
-                                                                           jstring j_filename);
-
-JNIEXPORT jstring JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_GetGitRevision(JNIEnv* env,
-                                                                               jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_SetAppDirectory(JNIEnv* env,
-                                                                             jclass clazz,
-                                                                             jstring j_directory);
-
-JNIEXPORT void JNICALL
-Java_org_yuzu_yuzu_1emu_NativeLibrary_Java_org_yuzu_yuzu_1emu_NativeLibrary_InitializeGpuDriver(
-    JNIEnv* env, jclass clazz, jstring hook_lib_dir, jstring custom_driver_dir,
-    jstring custom_driver_name, jstring file_redirect_dir);
-
-JNIEXPORT jboolean JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_ReloadKeys(JNIEnv* env,
-                                                                            jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_utils_DirectoryInitialization_SetSysDirectory(
-    JNIEnv* env, jclass clazz, jstring path_);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_SetSysDirectory(JNIEnv* env,
-                                                                             jclass clazz,
-                                                                             jstring path);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_InitializeEmulation(JNIEnv* env,
-                                                                                 jclass clazz);
-
-JNIEXPORT jint JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_DefaultCPUCore(JNIEnv* env,
-                                                                            jclass clazz);
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_SetProfiling(JNIEnv* env, jclass clazz,
-                                                                          jboolean enable);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_WriteProfileResults(JNIEnv* env,
-                                                                                 jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_NotifyOrientationChange(
-    JNIEnv* env, jclass clazz, jint layout_option, jint rotation);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_Run__Ljava_lang_String_2(
-    JNIEnv* env, jclass clazz, jstring j_path);
-
-JNIEXPORT void JNICALL
-Java_org_yuzu_yuzu_1emu_NativeLibrary_Run__Ljava_lang_String_2Ljava_lang_String_2Z(
-    JNIEnv* env, jclass clazz, jstring j_file, jstring j_savestate, jboolean j_delete_savestate);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_SurfaceChanged(JNIEnv* env,
-                                                                            jclass clazz,
-                                                                            jobject surf);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_SurfaceDestroyed(JNIEnv* env,
-                                                                              jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_InitGameIni(JNIEnv* env, jclass clazz,
-                                                                         jstring j_game_id);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_ReloadSettings(JNIEnv* env,
-                                                                            jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_SetUserSetting(
-    JNIEnv* env, jclass clazz, jstring j_game_id, jstring j_section, jstring j_key,
-    jstring j_value);
-
-JNIEXPORT jstring JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_GetUserSetting(
-    JNIEnv* env, jclass clazz, jstring game_id, jstring section, jstring key);
-
-JNIEXPORT jdoubleArray JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_GetPerfStats(JNIEnv* env,
-                                                                                  jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_LogDeviceInfo(JNIEnv* env,
-                                                                           jclass clazz);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_SubmitInlineKeyboardText(
-    JNIEnv* env, jclass clazz, jstring j_text);
-
-JNIEXPORT void JNICALL Java_org_yuzu_yuzu_1emu_NativeLibrary_SubmitInlineKeyboardInput(
-    JNIEnv* env, jclass clazz, jint j_key_code);
-
-#ifdef __cplusplus
-}
-#endif

src/android/app/src/main/res/drawable/ic_pip_mute.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24"
+    android:viewportWidth="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M7,9v6h4l5,5V4l-5,5H7z" />
+</vector>

src/android/app/src/main/res/drawable/ic_pip_unmute.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24"
+    android:viewportWidth="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M3,9v6h4l5,5L12,4L7,9L3,9zM16.5,12c0,-1.77 -1.02,-3.29 -2.5,-4.03v8.05c1.48,-0.73 2.5,-2.25 2.5,-4.02zM14,3.23v2.06c2.89,0.86 5,3.54 5,6.71s-2.11,5.85 -5,6.71v2.06c4.01,-0.91 7,-4.49 7,-8.77s-2.99,-7.86 -7,-8.77z" />
+</vector>

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

@@ -104,12 +104,14 @@
     <string name="share_log_missing">No log file found</string>
     <string name="install_game_content">Install game content</string>
     <string name="install_game_content_description">Install game updates or DLC</string>
-    <string name="install_game_content_failure">Error installing file to NAND</string>
-    <string name="install_game_content_failure_description">Game content installation failed. Please ensure content is valid and that the prod.keys file is installed.</string>
-    <string name="install_game_content_failure_base">Installation of base games isn\'t permitted in order to avoid possible conflicts. Please select an update or DLC instead.</string>
-    <string name="install_game_content_failure_file_extension">The selected file type is not supported. Only NSP and XCI content is supported for this action. Please verify the game content is valid.</string>
-    <string name="install_game_content_success">Game content installed successfully</string>
-    <string name="install_game_content_success_overwrite">Game content was overwritten successfully</string>
+    <string name="install_game_content_failure">Error installing file(s) to NAND</string>
+    <string name="install_game_content_failure_description">Please ensure content(s) are valid and that the prod.keys file is installed.</string>
+    <string name="install_game_content_failure_base">Installation of base games isn\'t permitted in order to avoid possible conflicts.</string>
+    <string name="install_game_content_failure_file_extension">Only NSP and XCI content is supported. Please verify the game content(s) are valid.</string>
+    <string name="install_game_content_failed_count">%1$d installation error(s)</string>
+    <string name="install_game_content_success">Game content(s) installed successfully</string>
+    <string name="install_game_content_success_install">%1$d installed successfully</string>
+    <string name="install_game_content_success_overwrite">%1$d overwritten successfully</string>
     <string name="install_game_content_help_link">https://yuzu-emu.org/help/quickstart/#dumping-installed-updates</string>
 
     <!-- About screen strings -->
@@ -270,6 +272,7 @@
     <string name="fatal_error">Fatal Error</string>
     <string name="fatal_error_message">A fatal error occurred. Check the log for details.\nContinuing emulation may result in crashes and bugs.</string>
     <string name="performance_warning">Turning off this setting will significantly reduce emulation performance! For the best experience, it is recommended that you leave this setting enabled.</string>
+    <string name="device_memory_inadequate">Device RAM: %1$s\nRecommended: %2$s</string>
 
     <!-- Region Names -->
     <string name="region_japan">Japan</string>
@@ -300,6 +303,15 @@
     <string name="language_traditional_chinese">Traditional Chinese (正體中文)</string>
     <string name="language_brazilian_portuguese">Brazilian Portuguese (Português do Brasil)</string>
 
+    <!-- Memory Sizes -->
+    <string name="memory_byte">Byte</string>
+    <string name="memory_kilobyte">KB</string>
+    <string name="memory_megabyte">MB</string>
+    <string name="memory_gigabyte">GB</string>
+    <string name="memory_terabyte">TB</string>
+    <string name="memory_petabyte">PB</string>
+    <string name="memory_exabyte">EB</string>
+
     <!-- Renderer APIs -->
     <string name="renderer_vulkan">Vulkan</string>
     <string name="renderer_none">None</string>
@@ -387,6 +399,8 @@
     <string name="picture_in_picture_description">Minimize window when placed in the background</string>
     <string name="pause">Pause</string>
     <string name="play">Play</string>
+    <string name="mute">Mute</string>
+    <string name="unmute">Unmute</string>
 
     <!-- Licenses screen strings -->
     <string name="licenses">Licenses</string>

src/audio_core/device/audio_buffers.h

@@ -7,6 +7,7 @@
 #include <mutex>
 #include <span>
 #include <vector>
+#include <boost/container/static_vector.hpp>
 
 #include "audio_buffer.h"
 #include "audio_core/device/device_session.h"
@@ -48,7 +49,7 @@ public:
      *
      * @param out_buffers - The buffers which were registered.
      */
-    void RegisterBuffers(std::vector<AudioBuffer>& out_buffers) {
+    void RegisterBuffers(boost::container::static_vector<AudioBuffer, N>& out_buffers) {
         std::scoped_lock l{lock};
         const s32 to_register{std::min(std::min(appended_count, BufferAppendLimit),
                                        BufferAppendLimit - registered_count)};
@@ -162,7 +163,8 @@ public:
      * @param max_buffers     - Maximum number of buffers to released.
      * @return The number of buffers released.
      */
-    u32 GetRegisteredAppendedBuffers(std::vector<AudioBuffer>& buffers_flushed, u32 max_buffers) {
+    u32 GetRegisteredAppendedBuffers(
+        boost::container::static_vector<AudioBuffer, N>& buffers_flushed, u32 max_buffers) {
         std::scoped_lock l{lock};
         if (registered_count + appended_count == 0) {
             return 0;
@@ -270,7 +272,7 @@ public:
      */
     bool FlushBuffers(u32& buffers_released) {
         std::scoped_lock l{lock};
-        std::vector<AudioBuffer> buffers_flushed{};
+        boost::container::static_vector<AudioBuffer, N> buffers_flushed{};
 
         buffers_released = GetRegisteredAppendedBuffers(buffers_flushed, append_limit);
 

src/audio_core/device/device_session.cpp

@@ -79,7 +79,7 @@ void DeviceSession::ClearBuffers() {
     }
 }
 
-void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) const {
+void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) {
     for (const auto& buffer : buffers) {
         Sink::SinkBuffer new_buffer{
             .frames = buffer.size / (channel_count * sizeof(s16)),
@@ -88,13 +88,13 @@ void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) const {
             .consumed = false,
         };
 
+        tmp_samples.resize_destructive(buffer.size / sizeof(s16));
         if (type == Sink::StreamType::In) {
-            std::vector<s16> samples{};
-            stream->AppendBuffer(new_buffer, samples);
+            stream->AppendBuffer(new_buffer, tmp_samples);
         } else {
-            std::vector<s16> samples(buffer.size / sizeof(s16));
-            system.ApplicationMemory().ReadBlockUnsafe(buffer.samples, samples.data(), buffer.size);
-            stream->AppendBuffer(new_buffer, samples);
+            system.ApplicationMemory().ReadBlockUnsafe(buffer.samples, tmp_samples.data(),
+                                                       buffer.size);
+            stream->AppendBuffer(new_buffer, tmp_samples);
         }
     }
 }

src/audio_core/device/device_session.h

@@ -10,6 +10,7 @@
 
 #include "audio_core/common/common.h"
 #include "audio_core/sink/sink.h"
+#include "common/scratch_buffer.h"
 #include "core/hle/service/audio/errors.h"
 
 namespace Core {
@@ -62,7 +63,7 @@ public:
      *
      * @param buffers - The buffers to play.
      */
-    void AppendBuffers(std::span<const AudioBuffer> buffers) const;
+    void AppendBuffers(std::span<const AudioBuffer> buffers);
 
     /**
      * (Audio In only) Pop samples from the backend, and write them back to this buffer's address.
@@ -146,8 +147,8 @@ private:
     std::shared_ptr<Core::Timing::EventType> thread_event;
     /// Is this session initialised?
     bool initialized{};
-    /// Buffer queue
-    std::vector<AudioBuffer> buffer_queue{};
+    /// Temporary sample buffer
+    Common::ScratchBuffer<s16> tmp_samples{};
 };
 
 } // namespace AudioCore

src/audio_core/in/audio_in_system.cpp

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <mutex>
+
 #include "audio_core/audio_event.h"
 #include "audio_core/audio_manager.h"
 #include "audio_core/in/audio_in_system.h"
@@ -89,7 +90,7 @@ Result System::Start() {
     session->Start();
     state = State::Started;
 
-    std::vector<AudioBuffer> buffers_to_flush{};
+    boost::container::static_vector<AudioBuffer, BufferCount> buffers_to_flush{};
     buffers.RegisterBuffers(buffers_to_flush);
     session->AppendBuffers(buffers_to_flush);
     session->SetRingSize(static_cast<u32>(buffers_to_flush.size()));
@@ -134,7 +135,7 @@ bool System::AppendBuffer(const AudioInBuffer& buffer, const u64 tag) {
 
 void System::RegisterBuffers() {
     if (state == State::Started) {
-        std::vector<AudioBuffer> registered_buffers{};
+        boost::container::static_vector<AudioBuffer, BufferCount> registered_buffers{};
         buffers.RegisterBuffers(registered_buffers);
         session->AppendBuffers(registered_buffers);
     }

src/audio_core/out/audio_out_system.cpp

@@ -89,7 +89,7 @@ Result System::Start() {
     session->Start();
     state = State::Started;
 
-    std::vector<AudioBuffer> buffers_to_flush{};
+    boost::container::static_vector<AudioBuffer, BufferCount> buffers_to_flush{};
     buffers.RegisterBuffers(buffers_to_flush);
     session->AppendBuffers(buffers_to_flush);
     session->SetRingSize(static_cast<u32>(buffers_to_flush.size()));
@@ -134,7 +134,7 @@ bool System::AppendBuffer(const AudioOutBuffer& buffer, u64 tag) {
 
 void System::RegisterBuffers() {
     if (state == State::Started) {
-        std::vector<AudioBuffer> registered_buffers{};
+        boost::container::static_vector<AudioBuffer, BufferCount> registered_buffers{};
         buffers.RegisterBuffers(registered_buffers);
         session->AppendBuffers(registered_buffers);
     }

src/audio_core/renderer/adsp/adsp.cpp

@@ -7,7 +7,6 @@
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/core_timing.h"
-#include "core/core_timing_util.h"
 #include "core/memory.h"
 
 namespace AudioCore::AudioRenderer::ADSP {

src/audio_core/renderer/adsp/audio_renderer.cpp

@@ -13,7 +13,6 @@
 #include "common/thread.h"
 #include "core/core.h"
 #include "core/core_timing.h"
-#include "core/core_timing_util.h"
 
 MICROPROFILE_DEFINE(Audio_Renderer, "Audio", "DSP", MP_RGB(60, 19, 97));
 
@@ -144,6 +143,7 @@ void AudioRenderer::ThreadFunc(std::stop_token stop_token) {
 
     mailbox->ADSPSendMessage(RenderMessage::AudioRenderer_InitializeOK);
 
+    // 0.12 seconds (2304000 / 19200000)
     constexpr u64 max_process_time{2'304'000ULL};
 
     while (!stop_token.stop_requested()) {
@@ -184,8 +184,7 @@ void AudioRenderer::ThreadFunc(std::stop_token stop_token) {
                     u64 max_time{max_process_time};
                     if (index == 1 && command_buffer.applet_resource_user_id ==
                                           mailbox->GetCommandBuffer(0).applet_resource_user_id) {
-                        max_time = max_process_time -
-                                   Core::Timing::CyclesToNs(render_times_taken[0]).count();
+                        max_time = max_process_time - render_times_taken[0];
                         if (render_times_taken[0] > max_process_time) {
                             max_time = 0;
                         }

src/audio_core/renderer/adsp/command_list_processor.cpp

@@ -9,7 +9,6 @@
 #include "common/settings.h"
 #include "core/core.h"
 #include "core/core_timing.h"
-#include "core/core_timing_util.h"
 #include "core/memory.h"
 
 namespace AudioCore::AudioRenderer::ADSP {

src/audio_core/renderer/command/data_source/decode.cpp

@@ -8,6 +8,7 @@
 #include "audio_core/renderer/command/resample/resample.h"
 #include "common/fixed_point.h"
 #include "common/logging/log.h"
+#include "common/scratch_buffer.h"
 #include "core/memory.h"
 
 namespace AudioCore::AudioRenderer {
@@ -27,6 +28,7 @@ constexpr std::array<u8, 3> PitchBySrcQuality = {4, 8, 4};
 template <typename T>
 static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
                      const DecodeArg& req) {
+    std::array<T, TempBufferSize> tmp_samples{};
     constexpr s32 min{std::numeric_limits<s16>::min()};
     constexpr s32 max{std::numeric_limits<s16>::max()};
 
@@ -49,18 +51,17 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
         const u64 size{channel_count * samples_to_decode};
         const u64 size_bytes{size * sizeof(T)};
 
-        std::vector<T> samples(size);
-        memory.ReadBlockUnsafe(source, samples.data(), size_bytes);
+        memory.ReadBlockUnsafe(source, tmp_samples.data(), size_bytes);
 
         if constexpr (std::is_floating_point_v<T>) {
             for (u32 i = 0; i < samples_to_decode; i++) {
-                auto sample{static_cast<s32>(samples[i * channel_count + req.target_channel] *
+                auto sample{static_cast<s32>(tmp_samples[i * channel_count + req.target_channel] *
                                              std::numeric_limits<s16>::max())};
                 out_buffer[i] = static_cast<s16>(std::clamp(sample, min, max));
             }
         } else {
             for (u32 i = 0; i < samples_to_decode; i++) {
-                out_buffer[i] = samples[i * channel_count + req.target_channel];
+                out_buffer[i] = tmp_samples[i * channel_count + req.target_channel];
             }
         }
     } break;
@@ -73,17 +74,16 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
         }
 
         const VAddr source{req.buffer + ((req.start_offset + req.offset) * sizeof(T))};
-        std::vector<T> samples(samples_to_decode);
-        memory.ReadBlockUnsafe(source, samples.data(), samples_to_decode * sizeof(T));
+        memory.ReadBlockUnsafe(source, tmp_samples.data(), samples_to_decode * sizeof(T));
 
         if constexpr (std::is_floating_point_v<T>) {
             for (u32 i = 0; i < samples_to_decode; i++) {
-                auto sample{static_cast<s32>(samples[i * channel_count + req.target_channel] *
+                auto sample{static_cast<s32>(tmp_samples[i * channel_count + req.target_channel] *
                                              std::numeric_limits<s16>::max())};
                 out_buffer[i] = static_cast<s16>(std::clamp(sample, min, max));
             }
         } else {
-            std::memcpy(out_buffer.data(), samples.data(), samples_to_decode * sizeof(s16));
+            std::memcpy(out_buffer.data(), tmp_samples.data(), samples_to_decode * sizeof(s16));
         }
         break;
     }
@@ -101,6 +101,7 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
  */
 static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
                        const DecodeArg& req) {
+    std::array<u8, TempBufferSize> wavebuffer{};
     constexpr u32 SamplesPerFrame{14};
     constexpr u32 NibblesPerFrame{16};
 
@@ -138,9 +139,7 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
     }
 
     const auto size{std::max((samples_to_process / 8U) * SamplesPerFrame, 8U)};
-    std::vector<u8> wavebuffer(size);
-    memory.ReadBlockUnsafe(req.buffer + position_in_frame / 2, wavebuffer.data(),
-                           wavebuffer.size());
+    memory.ReadBlockUnsafe(req.buffer + position_in_frame / 2, wavebuffer.data(), size);
 
     auto context{req.adpcm_context};
     auto header{context->header};
@@ -258,7 +257,7 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
     u32 offset{voice_state.offset};
 
     auto output_buffer{args.output};
-    std::vector<s16> temp_buffer(TempBufferSize, 0);
+    std::array<s16, TempBufferSize> temp_buffer{};
 
     while (remaining_sample_count > 0) {
         const auto samples_to_write{std::min(remaining_sample_count, max_remaining_sample_count)};

src/audio_core/renderer/command/effect/compressor.cpp

@@ -44,8 +44,8 @@ static void InitializeCompressorEffect(const CompressorInfo::ParameterVersion2&
 
 static void ApplyCompressorEffect(const CompressorInfo::ParameterVersion2& params,
                                   CompressorInfo::State& state, bool enabled,
-                                  std::vector<std::span<const s32>> input_buffers,
-                                  std::vector<std::span<s32>> output_buffers, u32 sample_count) {
+                                  std::span<std::span<const s32>> input_buffers,
+                                  std::span<std::span<s32>> output_buffers, u32 sample_count) {
     if (enabled) {
         auto state_00{state.unk_00};
         auto state_04{state.unk_04};
@@ -124,8 +124,8 @@ void CompressorCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor&
 }
 
 void CompressorCommand::Process(const ADSP::CommandListProcessor& processor) {
-    std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
-    std::vector<std::span<s32>> output_buffers(parameter.channel_count);
+    std::array<std::span<const s32>, MaxChannels> input_buffers{};
+    std::array<std::span<s32>, MaxChannels> output_buffers{};
 
     for (s16 i = 0; i < parameter.channel_count; i++) {
         input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

src/audio_core/renderer/command/effect/delay.cpp

@@ -51,7 +51,7 @@ static void InitializeDelayEffect(const DelayInfo::ParameterVersion1& params,
         state.delay_lines[channel].sample_count_max = sample_count_max.to_int_floor();
         state.delay_lines[channel].sample_count = sample_count.to_int_floor();
         state.delay_lines[channel].buffer.resize(state.delay_lines[channel].sample_count, 0);
-        if (state.delay_lines[channel].buffer.size() == 0) {
+        if (state.delay_lines[channel].sample_count == 0) {
             state.delay_lines[channel].buffer.push_back(0);
         }
         state.delay_lines[channel].buffer_pos = 0;
@@ -74,8 +74,8 @@ static void InitializeDelayEffect(const DelayInfo::ParameterVersion1& params,
  */
 template <size_t NumChannels>
 static void ApplyDelay(const DelayInfo::ParameterVersion1& params, DelayInfo::State& state,
-                       std::vector<std::span<const s32>>& inputs,
-                       std::vector<std::span<s32>>& outputs, const u32 sample_count) {
+                       std::span<std::span<const s32>> inputs, std::span<std::span<s32>> outputs,
+                       const u32 sample_count) {
     for (u32 sample_index = 0; sample_index < sample_count; sample_index++) {
         std::array<Common::FixedPoint<50, 14>, NumChannels> input_samples{};
         for (u32 channel = 0; channel < NumChannels; channel++) {
@@ -153,8 +153,8 @@ static void ApplyDelay(const DelayInfo::ParameterVersion1& params, DelayInfo::St
  * @param sample_count - Number of samples to process.
  */
 static void ApplyDelayEffect(const DelayInfo::ParameterVersion1& params, DelayInfo::State& state,
-                             const bool enabled, std::vector<std::span<const s32>>& inputs,
-                             std::vector<std::span<s32>>& outputs, const u32 sample_count) {
+                             const bool enabled, std::span<std::span<const s32>> inputs,
+                             std::span<std::span<s32>> outputs, const u32 sample_count) {
 
     if (!IsChannelCountValid(params.channel_count)) {
         LOG_ERROR(Service_Audio, "Invalid delay channels {}", params.channel_count);
@@ -208,8 +208,8 @@ void DelayCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor& proce
 }
 
 void DelayCommand::Process(const ADSP::CommandListProcessor& processor) {
-    std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
-    std::vector<std::span<s32>> output_buffers(parameter.channel_count);
+    std::array<std::span<const s32>, MaxChannels> input_buffers{};
+    std::array<std::span<s32>, MaxChannels> output_buffers{};
 
     for (s16 i = 0; i < parameter.channel_count; i++) {
         input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

src/audio_core/renderer/command/effect/i3dl2_reverb.cpp

@@ -408,8 +408,8 @@ void I3dl2ReverbCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor&
 }
 
 void I3dl2ReverbCommand::Process(const ADSP::CommandListProcessor& processor) {
-    std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
-    std::vector<std::span<s32>> output_buffers(parameter.channel_count);
+    std::array<std::span<const s32>, MaxChannels> input_buffers{};
+    std::array<std::span<s32>, MaxChannels> output_buffers{};
 
     for (u32 i = 0; i < parameter.channel_count; i++) {
         input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

src/audio_core/renderer/command/effect/light_limiter.cpp

@@ -47,8 +47,8 @@ static void InitializeLightLimiterEffect(const LightLimiterInfo::ParameterVersio
  */
 static void ApplyLightLimiterEffect(const LightLimiterInfo::ParameterVersion2& params,
                                     LightLimiterInfo::State& state, const bool enabled,
-                                    std::vector<std::span<const s32>>& inputs,
-                                    std::vector<std::span<s32>>& outputs, const u32 sample_count,
+                                    std::span<std::span<const s32>> inputs,
+                                    std::span<std::span<s32>> outputs, const u32 sample_count,
                                     LightLimiterInfo::StatisticsInternal* statistics) {
     constexpr s64 min{std::numeric_limits<s32>::min()};
     constexpr s64 max{std::numeric_limits<s32>::max()};
@@ -147,8 +147,8 @@ void LightLimiterVersion1Command::Dump([[maybe_unused]] const ADSP::CommandListP
 }
 
 void LightLimiterVersion1Command::Process(const ADSP::CommandListProcessor& processor) {
-    std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
-    std::vector<std::span<s32>> output_buffers(parameter.channel_count);
+    std::array<std::span<const s32>, MaxChannels> input_buffers{};
+    std::array<std::span<s32>, MaxChannels> output_buffers{};
 
     for (u32 i = 0; i < parameter.channel_count; i++) {
         input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,
@@ -190,8 +190,8 @@ void LightLimiterVersion2Command::Dump([[maybe_unused]] const ADSP::CommandListP
 }
 
 void LightLimiterVersion2Command::Process(const ADSP::CommandListProcessor& processor) {
-    std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
-    std::vector<std::span<s32>> output_buffers(parameter.channel_count);
+    std::array<std::span<const s32>, MaxChannels> input_buffers{};
+    std::array<std::span<s32>, MaxChannels> output_buffers{};
 
     for (u32 i = 0; i < parameter.channel_count; i++) {
         input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

src/audio_core/renderer/command/effect/reverb.cpp

@@ -250,8 +250,8 @@ static Common::FixedPoint<50, 14> Axfx2AllPassTick(ReverbInfo::ReverbDelayLine&
  */
 template <size_t NumChannels>
 static void ApplyReverbEffect(const ReverbInfo::ParameterVersion2& params, ReverbInfo::State& state,
-                              std::vector<std::span<const s32>>& inputs,
-                              std::vector<std::span<s32>>& outputs, const u32 sample_count) {
+                              std::span<std::span<const s32>> inputs,
+                              std::span<std::span<s32>> outputs, const u32 sample_count) {
     static constexpr std::array<u8, ReverbInfo::MaxDelayTaps> OutTapIndexes1Ch{
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     };
@@ -369,8 +369,8 @@ static void ApplyReverbEffect(const ReverbInfo::ParameterVersion2& params, Rever
  * @param sample_count - Number of samples to process.
  */
 static void ApplyReverbEffect(const ReverbInfo::ParameterVersion2& params, ReverbInfo::State& state,
-                              const bool enabled, std::vector<std::span<const s32>>& inputs,
-                              std::vector<std::span<s32>>& outputs, const u32 sample_count) {
+                              const bool enabled, std::span<std::span<const s32>> inputs,
+                              std::span<std::span<s32>> outputs, const u32 sample_count) {
     if (enabled) {
         switch (params.channel_count) {
         case 0:
@@ -412,8 +412,8 @@ void ReverbCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor& proc
 }
 
 void ReverbCommand::Process(const ADSP::CommandListProcessor& processor) {
-    std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
-    std::vector<std::span<s32>> output_buffers(parameter.channel_count);
+    std::array<std::span<const s32>, MaxChannels> input_buffers{};
+    std::array<std::span<s32>, MaxChannels> output_buffers{};
 
     for (u32 i = 0; i < parameter.channel_count; i++) {
         input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

src/audio_core/renderer/command/performance/performance.cpp

@@ -5,7 +5,6 @@
 #include "audio_core/renderer/command/performance/performance.h"
 #include "core/core.h"
 #include "core/core_timing.h"
-#include "core/core_timing_util.h"
 
 namespace AudioCore::AudioRenderer {
 
@@ -18,20 +17,18 @@ void PerformanceCommand::Process(const ADSP::CommandListProcessor& processor) {
     auto base{entry_address.translated_address};
     if (state == PerformanceState::Start) {
         auto start_time_ptr{reinterpret_cast<u32*>(base + entry_address.entry_start_time_offset)};
-        *start_time_ptr = static_cast<u32>(
-            Core::Timing::CyclesToUs(processor.system->CoreTiming().GetClockTicks() -
-                                     processor.start_time - processor.current_processing_time)
-                .count());
+        *start_time_ptr =
+            static_cast<u32>(processor.system->CoreTiming().GetClockTicks() - processor.start_time -
+                             processor.current_processing_time);
     } else if (state == PerformanceState::Stop) {
         auto processed_time_ptr{
             reinterpret_cast<u32*>(base + entry_address.entry_processed_time_offset)};
         auto entry_count_ptr{
             reinterpret_cast<u32*>(base + entry_address.header_entry_count_offset)};
 
-        *processed_time_ptr = static_cast<u32>(
-            Core::Timing::CyclesToUs(processor.system->CoreTiming().GetClockTicks() -
-                                     processor.start_time - processor.current_processing_time)
-                .count());
+        *processed_time_ptr =
+            static_cast<u32>(processor.system->CoreTiming().GetClockTicks() - processor.start_time -
+                             processor.current_processing_time);
         (*entry_count_ptr)++;
     }
 }

src/audio_core/renderer/command/sink/circular_buffer.cpp

@@ -24,7 +24,7 @@ void CircularBufferSinkCommand::Process(const ADSP::CommandListProcessor& proces
     constexpr s32 min{std::numeric_limits<s16>::min()};
     constexpr s32 max{std::numeric_limits<s16>::max()};
 
-    std::vector<s16> output(processor.sample_count);
+    std::array<s16, TargetSampleCount * MaxChannels> output{};
     for (u32 channel = 0; channel < input_count; channel++) {
         auto input{processor.mix_buffers.subspan(inputs[channel] * processor.sample_count,
                                                  processor.sample_count)};
@@ -33,7 +33,7 @@ void CircularBufferSinkCommand::Process(const ADSP::CommandListProcessor& proces
         }
 
         processor.memory->WriteBlockUnsafe(address + pos, output.data(),
-                                           output.size() * sizeof(s16));
+                                           processor.sample_count * sizeof(s16));
         pos += static_cast<u32>(processor.sample_count * sizeof(s16));
         if (pos >= size) {
             pos = 0;

src/audio_core/renderer/command/sink/device.cpp

@@ -33,8 +33,7 @@ void DeviceSinkCommand::Process(const ADSP::CommandListProcessor& processor) {
         .consumed{false},
     };
 
-    std::vector<s16> samples(out_buffer.frames * input_count);
-
+    std::array<s16, TargetSampleCount * MaxChannels> samples{};
     for (u32 channel = 0; channel < input_count; channel++) {
         const auto offset{inputs[channel] * out_buffer.frames};
 
@@ -45,7 +44,7 @@ void DeviceSinkCommand::Process(const ADSP::CommandListProcessor& processor) {
     }
 
     out_buffer.tag = reinterpret_cast<u64>(samples.data());
-    stream->AppendBuffer(out_buffer, samples);
+    stream->AppendBuffer(out_buffer, {samples.data(), out_buffer.frames * input_count});
 
     if (stream->IsPaused()) {
         stream->Start();

src/audio_core/renderer/mix/mix_context.cpp

@@ -125,10 +125,10 @@ bool MixContext::TSortInfo(const SplitterContext& splitter_context) {
         return false;
     }
 
-    std::vector<s32> sorted_results{node_states.GetSortedResuls()};
-    const auto result_size{std::min(count, static_cast<s32>(sorted_results.size()))};
+    auto sorted_results{node_states.GetSortedResuls()};
+    const auto result_size{std::min(count, static_cast<s32>(sorted_results.second))};
     for (s32 i = 0; i < result_size; i++) {
-        sorted_mix_infos[i] = &mix_infos[sorted_results[i]];
+        sorted_mix_infos[i] = &mix_infos[sorted_results.first[i]];
     }
 
     CalcMixBufferOffset();

src/audio_core/renderer/nodes/node_states.cpp

@@ -134,8 +134,8 @@ u32 NodeStates::GetNodeCount() const {
     return node_count;
 }
 
-std::vector<s32> NodeStates::GetSortedResuls() const {
-    return {results.rbegin(), results.rbegin() + result_pos};
+std::pair<std::span<u32>::reverse_iterator, size_t> NodeStates::GetSortedResuls() const {
+    return {results.rbegin(), result_pos};
 }
 
 } // namespace AudioCore::AudioRenderer

src/audio_core/renderer/nodes/node_states.h

@@ -175,7 +175,7 @@ public:
      *
      * @return Vector of nodes in reverse order.
      */
-    std::vector<s32> GetSortedResuls() const;
+    std::pair<std::span<u32>::reverse_iterator, size_t> GetSortedResuls() const;
 
 private:
     /// Number of nodes in the graph

src/audio_core/renderer/system.cpp

@@ -444,6 +444,7 @@ Result System::Update(std::span<const u8> input, std::span<u8> performance, std:
     std::scoped_lock l{lock};
 
     const auto start_time{core.CoreTiming().GetClockTicks()};
+    std::memset(output.data(), 0, output.size());
 
     InfoUpdater info_updater(input, output, process_handle, behavior);
 

src/audio_core/sink/null_sink.h

@@ -20,7 +20,7 @@ public:
     explicit NullSinkStreamImpl(Core::System& system_, StreamType type_)
         : SinkStream{system_, type_} {}
     ~NullSinkStreamImpl() override {}
-    void AppendBuffer(SinkBuffer&, std::vector<s16>&) override {}
+    void AppendBuffer(SinkBuffer&, std::span<s16>) override {}
     std::vector<s16> ReleaseBuffer(u64) override {
         return {};
     }

src/audio_core/sink/sink_stream.cpp

@@ -15,11 +15,10 @@
 #include "common/settings.h"
 #include "core/core.h"
 #include "core/core_timing.h"
-#include "core/core_timing_util.h"
 
 namespace AudioCore::Sink {
 
-void SinkStream::AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples) {
+void SinkStream::AppendBuffer(SinkBuffer& buffer, std::span<s16> samples) {
     if (type == StreamType::In) {
         queue.enqueue(buffer);
         queued_buffers++;
@@ -67,15 +66,16 @@ void SinkStream::AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples) {
                 static_cast<s16>(std::clamp(right_sample, min, max));
         }
 
-        samples.resize(samples.size() / system_channels * device_channels);
+        samples = samples.subspan(0, samples.size() / system_channels * device_channels);
 
     } else if (system_channels == 2 && device_channels == 6) {
         // We need moar samples! Not all games will provide 6 channel audio.
         // TODO: Implement some upmixing here. Currently just passthrough, with other
         // channels left as silence.
-        std::vector<s16> new_samples(samples.size() / system_channels * device_channels, 0);
+        auto new_size = samples.size() / system_channels * device_channels;
+        tmp_samples.resize_destructive(new_size);
 
-        for (u32 read_index = 0, write_index = 0; read_index < samples.size();
+        for (u32 read_index = 0, write_index = 0; read_index < new_size;
              read_index += system_channels, write_index += device_channels) {
             const auto left_sample{static_cast<s16>(std::clamp(
                 static_cast<s32>(
@@ -83,7 +83,7 @@ void SinkStream::AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples) {
                     volume),
                 min, max))};
 
-            new_samples[write_index + static_cast<u32>(Channels::FrontLeft)] = left_sample;
+            tmp_samples[write_index + static_cast<u32>(Channels::FrontLeft)] = left_sample;
 
             const auto right_sample{static_cast<s16>(std::clamp(
                 static_cast<s32>(
@@ -91,9 +91,9 @@ void SinkStream::AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples) {
                     volume),
                 min, max))};
 
-            new_samples[write_index + static_cast<u32>(Channels::FrontRight)] = right_sample;
+            tmp_samples[write_index + static_cast<u32>(Channels::FrontRight)] = right_sample;
         }
-        samples = std::move(new_samples);
+        samples = std::span<s16>(tmp_samples);
 
     } else if (volume != 1.0f) {
         for (u32 i = 0; i < samples.size(); i++) {

src/audio_core/sink/sink_stream.h

@@ -16,6 +16,7 @@
 #include "common/polyfill_thread.h"
 #include "common/reader_writer_queue.h"
 #include "common/ring_buffer.h"
+#include "common/scratch_buffer.h"
 #include "common/thread.h"
 
 namespace Core {
@@ -170,7 +171,7 @@ public:
      * @param buffer  - Audio buffer information to be queued.
      * @param samples - The s16 samples to be queue for playback.
      */
-    virtual void AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples);
+    virtual void AppendBuffer(SinkBuffer& buffer, std::span<s16> samples);
 
     /**
      * Release a buffer. Audio In only, will fill a buffer with recorded samples.
@@ -255,6 +256,8 @@ private:
     /// Signalled when ring buffer entries are consumed
     std::condition_variable_any release_cv;
     std::mutex release_mutex;
+    /// Temporary buffer for appending samples when upmixing
+    Common::ScratchBuffer<s16> tmp_samples{};
 };
 
 using SinkStreamPtr = std::unique_ptr<SinkStream>;

src/common/CMakeLists.txt

@@ -172,6 +172,8 @@ if(ARCHITECTURE_x86_64)
             x64/cpu_wait.h
             x64/native_clock.cpp
             x64/native_clock.h
+            x64/rdtsc.cpp
+            x64/rdtsc.h
             x64/xbyak_abi.h
             x64/xbyak_util.h
     )

src/common/fs/fs.cpp

@@ -436,7 +436,7 @@ void IterateDirEntries(const std::filesystem::path& path, const DirEntryCallable
 
         if (True(filter & DirEntryFilter::File) &&
             entry.status().type() == fs::file_type::regular) {
-            if (!callback(entry.path())) {
+            if (!callback(entry)) {
                 callback_error = true;
                 break;
             }
@@ -444,7 +444,7 @@ void IterateDirEntries(const std::filesystem::path& path, const DirEntryCallable
 
         if (True(filter & DirEntryFilter::Directory) &&
             entry.status().type() == fs::file_type::directory) {
-            if (!callback(entry.path())) {
+            if (!callback(entry)) {
                 callback_error = true;
                 break;
             }
@@ -493,7 +493,7 @@ void IterateDirEntriesRecursively(const std::filesystem::path& path,
 
         if (True(filter & DirEntryFilter::File) &&
             entry.status().type() == fs::file_type::regular) {
-            if (!callback(entry.path())) {
+            if (!callback(entry)) {
                 callback_error = true;
                 break;
             }
@@ -501,7 +501,7 @@ void IterateDirEntriesRecursively(const std::filesystem::path& path,
 
         if (True(filter & DirEntryFilter::Directory) &&
             entry.status().type() == fs::file_type::directory) {
-            if (!callback(entry.path())) {
+            if (!callback(entry)) {
                 callback_error = true;
                 break;
             }

src/common/fs/fs_types.h

@@ -66,6 +66,6 @@ DECLARE_ENUM_FLAG_OPERATORS(DirEntryFilter);
  * @returns A boolean value.
  *          Return true to indicate whether the callback is successful, false otherwise.
  */
-using DirEntryCallable = std::function<bool(const std::filesystem::path& path)>;
+using DirEntryCallable = std::function<bool(const std::filesystem::directory_entry& entry)>;
 
 } // namespace Common::FS

src/common/input.h

@@ -86,7 +86,7 @@ enum class NfcState {
     NewAmiibo,
     WaitingForAmiibo,
     AmiiboRemoved,
-    NotAnAmiibo,
+    InvalidTagType,
     NotSupported,
     WrongDeviceState,
     WriteFailed,
@@ -218,8 +218,22 @@ struct CameraStatus {
 };
 
 struct NfcStatus {
-    NfcState state{};
-    std::vector<u8> data{};
+    NfcState state{NfcState::Unknown};
+    u8 uuid_length;
+    u8 protocol;
+    u8 tag_type;
+    std::array<u8, 10> uuid;
+};
+
+struct MifareData {
+    u8 command;
+    u8 sector;
+    std::array<u8, 0x6> key;
+    std::array<u8, 0x10> data;
+};
+
+struct MifareRequest {
+    std::array<MifareData, 0x10> data;
 };
 
 // List of buttons to be passed to Qt that can be translated
@@ -294,7 +308,7 @@ struct CallbackStatus {
     BatteryStatus battery_status{};
     VibrationStatus vibration_status{};
     CameraFormat camera_status{CameraFormat::None};
-    NfcState nfc_status{NfcState::Unknown};
+    NfcStatus nfc_status{};
     std::vector<u8> raw_data{};
 };
 
@@ -356,9 +370,30 @@ public:
         return NfcState::NotSupported;
     }
 
+    virtual NfcState StartNfcPolling() {
+        return NfcState::NotSupported;
+    }
+
+    virtual NfcState StopNfcPolling() {
+        return NfcState::NotSupported;
+    }
+
+    virtual NfcState ReadAmiiboData([[maybe_unused]] std::vector<u8>& out_data) {
+        return NfcState::NotSupported;
+    }
+
     virtual NfcState WriteNfcData([[maybe_unused]] const std::vector<u8>& data) {
         return NfcState::NotSupported;
     }
+
+    virtual NfcState ReadMifareData([[maybe_unused]] const MifareRequest& request,
+                                    [[maybe_unused]] MifareRequest& out_data) {
+        return NfcState::NotSupported;
+    }
+
+    virtual NfcState WriteMifareData([[maybe_unused]] const MifareRequest& request) {
+        return NfcState::NotSupported;
+    }
 };
 
 /// An abstract class template for a factory that can create input devices.

src/common/ring_buffer.h

@@ -9,6 +9,7 @@
 #include <cstddef>
 #include <cstring>
 #include <new>
+#include <span>
 #include <type_traits>
 #include <vector>
 
@@ -53,7 +54,7 @@ public:
         return push_count;
     }
 
-    std::size_t Push(const std::vector<T>& input) {
+    std::size_t Push(const std::span<T> input) {
         return Push(input.data(), input.size());
     }
 

src/common/scratch_buffer.h

@@ -3,6 +3,9 @@
 
 #pragma once
 
+#include <iterator>
+
+#include "common/concepts.h"
 #include "common/make_unique_for_overwrite.h"
 
 namespace Common {
@@ -16,6 +19,12 @@ namespace Common {
 template <typename T>
 class ScratchBuffer {
 public:
+    using iterator = T*;
+    using const_iterator = const T*;
+    using value_type = T;
+    using element_type = T;
+    using iterator_category = std::contiguous_iterator_tag;
+
     ScratchBuffer() = default;
 
     explicit ScratchBuffer(size_t initial_capacity)

src/common/settings.h

@@ -483,6 +483,7 @@ struct Values {
         AstcRecompression::Uncompressed, AstcRecompression::Uncompressed, AstcRecompression::Bc3,
         "astc_recompression"};
     SwitchableSetting<bool> use_video_framerate{false, "use_video_framerate"};
+    SwitchableSetting<bool> barrier_feedback_loops{true, "barrier_feedback_loops"};
 
     SwitchableSetting<u8> bg_red{0, "bg_red"};
     SwitchableSetting<u8> bg_green{0, "bg_green"};

src/common/steady_clock.cpp

@@ -28,13 +28,12 @@ static s64 GetSystemTimeNS() {
     // GetSystemTimePreciseAsFileTime returns the file time in 100ns units.
     static constexpr s64 Multiplier = 100;
     // Convert Windows epoch to Unix epoch.
-    static constexpr s64 WindowsEpochToUnixEpochNS = 0x19DB1DED53E8000LL;
+    static constexpr s64 WindowsEpochToUnixEpoch = 0x19DB1DED53E8000LL;
 
     FILETIME filetime;
     GetSystemTimePreciseAsFileTime(&filetime);
     return Multiplier * ((static_cast<s64>(filetime.dwHighDateTime) << 32) +
-                         static_cast<s64>(filetime.dwLowDateTime)) -
-           WindowsEpochToUnixEpochNS;
+                         static_cast<s64>(filetime.dwLowDateTime) - WindowsEpochToUnixEpoch);
 }
 #endif
 

src/common/thread.h

@@ -55,7 +55,7 @@ public:
         is_set = false;
     }
 
-    [[nodiscard]] bool IsSet() {
+    [[nodiscard]] bool IsSet() const {
         return is_set;
     }
 

src/common/wall_clock.cpp

@@ -2,88 +2,75 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "common/steady_clock.h"
-#include "common/uint128.h"
 #include "common/wall_clock.h"
 
 #ifdef ARCHITECTURE_x86_64
 #include "common/x64/cpu_detect.h"
 #include "common/x64/native_clock.h"
+#include "common/x64/rdtsc.h"
 #endif
 
 namespace Common {
 
 class StandardWallClock final : public WallClock {
 public:
-    explicit StandardWallClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_)
-        : WallClock{emulated_cpu_frequency_, emulated_clock_frequency_, false},
-          start_time{SteadyClock::Now()} {}
+    explicit StandardWallClock() : start_time{SteadyClock::Now()} {}
 
-    std::chrono::nanoseconds GetTimeNS() override {
+    std::chrono::nanoseconds GetTimeNS() const override {
         return SteadyClock::Now() - start_time;
     }
 
-    std::chrono::microseconds GetTimeUS() override {
-        return std::chrono::duration_cast<std::chrono::microseconds>(GetTimeNS());
+    std::chrono::microseconds GetTimeUS() const override {
+        return static_cast<std::chrono::microseconds>(GetHostTicksElapsed() / NsToUsRatio::den);
     }
 
-    std::chrono::milliseconds GetTimeMS() override {
-        return std::chrono::duration_cast<std::chrono::milliseconds>(GetTimeNS());
+    std::chrono::milliseconds GetTimeMS() const override {
+        return static_cast<std::chrono::milliseconds>(GetHostTicksElapsed() / NsToMsRatio::den);
     }
 
-    u64 GetClockCycles() override {
-        const u128 temp = Common::Multiply64Into128(GetTimeNS().count(), emulated_clock_frequency);
-        return Common::Divide128On32(temp, NS_RATIO).first;
+    u64 GetCNTPCT() const override {
+        return GetHostTicksElapsed() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
     }
 
-    u64 GetCPUCycles() override {
-        const u128 temp = Common::Multiply64Into128(GetTimeNS().count(), emulated_cpu_frequency);
-        return Common::Divide128On32(temp, NS_RATIO).first;
+    u64 GetGPUTick() const override {
+        return GetHostTicksElapsed() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
     }
 
-    void Pause([[maybe_unused]] bool is_paused) override {
-        // Do nothing in this clock type.
+    u64 GetHostTicksNow() const override {
+        return static_cast<u64>(SteadyClock::Now().time_since_epoch().count());
+    }
+
+    u64 GetHostTicksElapsed() const override {
+        return static_cast<u64>(GetTimeNS().count());
+    }
+
+    bool IsNative() const override {
+        return false;
     }
 
 private:
     SteadyClock::time_point start_time;
 };
 
+std::unique_ptr<WallClock> CreateOptimalClock() {
 #ifdef ARCHITECTURE_x86_64
-
-std::unique_ptr<WallClock> CreateBestMatchingClock(u64 emulated_cpu_frequency,
-                                                   u64 emulated_clock_frequency) {
     const auto& caps = GetCPUCaps();
-    u64 rtsc_frequency = 0;
-    if (caps.invariant_tsc) {
-        rtsc_frequency = caps.tsc_frequency ? caps.tsc_frequency : EstimateRDTSCFrequency();
-    }
 
-    // Fallback to StandardWallClock if the hardware TSC does not have the precision greater than:
-    // - A nanosecond
-    // - The emulated CPU frequency
-    // - The emulated clock counter frequency (CNTFRQ)
-    if (rtsc_frequency <= WallClock::NS_RATIO || rtsc_frequency <= emulated_cpu_frequency ||
-        rtsc_frequency <= emulated_clock_frequency) {
-        return std::make_unique<StandardWallClock>(emulated_cpu_frequency,
-                                                   emulated_clock_frequency);
+    if (caps.invariant_tsc && caps.tsc_frequency >= WallClock::GPUTickFreq) {
+        return std::make_unique<X64::NativeClock>(caps.tsc_frequency);
     } else {
-        return std::make_unique<X64::NativeClock>(emulated_cpu_frequency, emulated_clock_frequency,
-                                                  rtsc_frequency);
+        // Fallback to StandardWallClock if the hardware TSC
+        // - Is not invariant
+        // - Is not more precise than GPUTickFreq
+        return std::make_unique<StandardWallClock>();
     }
-}
-
 #else
-
-std::unique_ptr<WallClock> CreateBestMatchingClock(u64 emulated_cpu_frequency,
-                                                   u64 emulated_clock_frequency) {
-    return std::make_unique<StandardWallClock>(emulated_cpu_frequency, emulated_clock_frequency);
+    return std::make_unique<StandardWallClock>();
+#endif
 }
 
-#endif
-
-std::unique_ptr<WallClock> CreateStandardWallClock(u64 emulated_cpu_frequency,
-                                                   u64 emulated_clock_frequency) {
-    return std::make_unique<StandardWallClock>(emulated_cpu_frequency, emulated_clock_frequency);
+std::unique_ptr<WallClock> CreateStandardWallClock() {
+    return std::make_unique<StandardWallClock>();
 }
 
 } // namespace Common

src/common/wall_clock.h

@@ -5,6 +5,7 @@
 
 #include <chrono>
 #include <memory>
+#include <ratio>
 
 #include "common/common_types.h"
 
@@ -12,50 +13,82 @@ namespace Common {
 
 class WallClock {
 public:
-    static constexpr u64 NS_RATIO = 1'000'000'000;
-    static constexpr u64 US_RATIO = 1'000'000;
-    static constexpr u64 MS_RATIO = 1'000;
+    static constexpr u64 CNTFRQ = 19'200'000;         // CNTPCT_EL0 Frequency = 19.2 MHz
+    static constexpr u64 GPUTickFreq = 614'400'000;   // GM20B GPU Tick Frequency = 614.4 MHz
+    static constexpr u64 CPUTickFreq = 1'020'000'000; // T210/4 A57 CPU Tick Frequency = 1020.0 MHz
 
     virtual ~WallClock() = default;
 
-    /// Returns current wall time in nanoseconds
-    [[nodiscard]] virtual std::chrono::nanoseconds GetTimeNS() = 0;
+    /// @returns The time in nanoseconds since the construction of this clock.
+    virtual std::chrono::nanoseconds GetTimeNS() const = 0;
 
-    /// Returns current wall time in microseconds
-    [[nodiscard]] virtual std::chrono::microseconds GetTimeUS() = 0;
+    /// @returns The time in microseconds since the construction of this clock.
+    virtual std::chrono::microseconds GetTimeUS() const = 0;
 
-    /// Returns current wall time in milliseconds
-    [[nodiscard]] virtual std::chrono::milliseconds GetTimeMS() = 0;
+    /// @returns The time in milliseconds since the construction of this clock.
+    virtual std::chrono::milliseconds GetTimeMS() const = 0;
 
-    /// Returns current wall time in emulated clock cycles
-    [[nodiscard]] virtual u64 GetClockCycles() = 0;
+    /// @returns The guest CNTPCT ticks since the construction of this clock.
+    virtual u64 GetCNTPCT() const = 0;
 
-    /// Returns current wall time in emulated cpu cycles
-    [[nodiscard]] virtual u64 GetCPUCycles() = 0;
+    /// @returns The guest GPU ticks since the construction of this clock.
+    virtual u64 GetGPUTick() const = 0;
 
-    virtual void Pause(bool is_paused) = 0;
+    /// @returns The raw host timer ticks since an indeterminate epoch.
+    virtual u64 GetHostTicksNow() const = 0;
 
-    /// Tells if the wall clock, uses the host CPU's hardware clock
-    [[nodiscard]] bool IsNative() const {
-        return is_native;
+    /// @returns The raw host timer ticks since the construction of this clock.
+    virtual u64 GetHostTicksElapsed() const = 0;
+
+    /// @returns Whether the clock directly uses the host's hardware clock.
+    virtual bool IsNative() const = 0;
+
+    static inline u64 NSToCNTPCT(u64 ns) {
+        return ns * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
+    }
+
+    static inline u64 NSToGPUTick(u64 ns) {
+        return ns * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
+    }
+
+    // Cycle Timing
+
+    static inline u64 CPUTickToNS(u64 cpu_tick) {
+        return cpu_tick * CPUTickToNsRatio::num / CPUTickToNsRatio::den;
+    }
+
+    static inline u64 CPUTickToUS(u64 cpu_tick) {
+        return cpu_tick * CPUTickToUsRatio::num / CPUTickToUsRatio::den;
+    }
+
+    static inline u64 CPUTickToCNTPCT(u64 cpu_tick) {
+        return cpu_tick * CPUTickToCNTPCTRatio::num / CPUTickToCNTPCTRatio::den;
+    }
+
+    static inline u64 CPUTickToGPUTick(u64 cpu_tick) {
+        return cpu_tick * CPUTickToGPUTickRatio::num / CPUTickToGPUTickRatio::den;
     }
 
 protected:
-    explicit WallClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_, bool is_native_)
-        : emulated_cpu_frequency{emulated_cpu_frequency_},
-          emulated_clock_frequency{emulated_clock_frequency_}, is_native{is_native_} {}
+    using NsRatio = std::nano;
+    using UsRatio = std::micro;
+    using MsRatio = std::milli;
 
-    u64 emulated_cpu_frequency;
-    u64 emulated_clock_frequency;
+    using NsToUsRatio = std::ratio_divide<std::nano, std::micro>;
+    using NsToMsRatio = std::ratio_divide<std::nano, std::milli>;
+    using NsToCNTPCTRatio = std::ratio<CNTFRQ, std::nano::den>;
+    using NsToGPUTickRatio = std::ratio<GPUTickFreq, std::nano::den>;
 
-private:
-    bool is_native;
+    // Cycle Timing
+
+    using CPUTickToNsRatio = std::ratio<std::nano::den, CPUTickFreq>;
+    using CPUTickToUsRatio = std::ratio<std::micro::den, CPUTickFreq>;
+    using CPUTickToCNTPCTRatio = std::ratio<CNTFRQ, CPUTickFreq>;
+    using CPUTickToGPUTickRatio = std::ratio<GPUTickFreq, CPUTickFreq>;
 };
 
-[[nodiscard]] std::unique_ptr<WallClock> CreateBestMatchingClock(u64 emulated_cpu_frequency,
-                                                                 u64 emulated_clock_frequency);
+std::unique_ptr<WallClock> CreateOptimalClock();
 
-[[nodiscard]] std::unique_ptr<WallClock> CreateStandardWallClock(u64 emulated_cpu_frequency,
-                                                                 u64 emulated_clock_frequency);
+std::unique_ptr<WallClock> CreateStandardWallClock();
 
 } // namespace Common

src/common/x64/cpu_detect.cpp

@@ -14,6 +14,7 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "common/x64/cpu_detect.h"
+#include "common/x64/rdtsc.h"
 
 #ifdef _WIN32
 #include <windows.h>
@@ -187,6 +188,8 @@ static CPUCaps Detect() {
             caps.tsc_frequency = static_cast<u64>(caps.crystal_frequency) *
                                  caps.tsc_crystal_ratio_numerator /
                                  caps.tsc_crystal_ratio_denominator;
+        } else {
+            caps.tsc_frequency = X64::EstimateRDTSCFrequency();
         }
     }
 

src/common/x64/cpu_wait.cpp

@@ -9,19 +9,11 @@
 
 #include "common/x64/cpu_detect.h"
 #include "common/x64/cpu_wait.h"
+#include "common/x64/rdtsc.h"
 
 namespace Common::X64 {
 
 #ifdef _MSC_VER
-__forceinline static u64 FencedRDTSC() {
-    _mm_lfence();
-    _ReadWriteBarrier();
-    const u64 result = __rdtsc();
-    _mm_lfence();
-    _ReadWriteBarrier();
-    return result;
-}
-
 __forceinline static void TPAUSE() {
     // 100,000 cycles is a reasonable amount of time to wait to save on CPU resources.
     // For reference:
@@ -32,16 +24,6 @@ __forceinline static void TPAUSE() {
     _tpause(0, FencedRDTSC() + PauseCycles);
 }
 #else
-static u64 FencedRDTSC() {
-    u64 eax;
-    u64 edx;
-    asm volatile("lfence\n\t"
-                 "rdtsc\n\t"
-                 "lfence\n\t"
-                 : "=a"(eax), "=d"(edx));
-    return (edx << 32) | eax;
-}
-
 static void TPAUSE() {
     // 100,000 cycles is a reasonable amount of time to wait to save on CPU resources.
     // For reference:

src/common/x64/native_clock.cpp

@@ -1,164 +1,50 @@
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <array>
-#include <chrono>
-#include <thread>
-
-#include "common/atomic_ops.h"
-#include "common/steady_clock.h"
 #include "common/uint128.h"
 #include "common/x64/native_clock.h"
+#include "common/x64/rdtsc.h"
 
-#ifdef _MSC_VER
-#include <intrin.h>
-#endif
+namespace Common::X64 {
 
-namespace Common {
+NativeClock::NativeClock(u64 rdtsc_frequency_)
+    : start_ticks{FencedRDTSC()}, rdtsc_frequency{rdtsc_frequency_},
+      ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den, rdtsc_frequency)},
+      us_rdtsc_factor{GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency)},
+      ms_rdtsc_factor{GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency)},
+      cntpct_rdtsc_factor{GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency)},
+      gputick_rdtsc_factor{GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency)} {}
 
-#ifdef _MSC_VER
-__forceinline static u64 FencedRDTSC() {
-    _mm_lfence();
-    _ReadWriteBarrier();
-    const u64 result = __rdtsc();
-    _mm_lfence();
-    _ReadWriteBarrier();
-    return result;
-}
-#else
-static u64 FencedRDTSC() {
-    u64 eax;
-    u64 edx;
-    asm volatile("lfence\n\t"
-                 "rdtsc\n\t"
-                 "lfence\n\t"
-                 : "=a"(eax), "=d"(edx));
-    return (edx << 32) | eax;
-}
-#endif
-
-template <u64 Nearest>
-static u64 RoundToNearest(u64 value) {
-    const auto mod = value % Nearest;
-    return mod >= (Nearest / 2) ? (value - mod + Nearest) : (value - mod);
+std::chrono::nanoseconds NativeClock::GetTimeNS() const {
+    return std::chrono::nanoseconds{MultiplyHigh(GetHostTicksElapsed(), ns_rdtsc_factor)};
 }
 
-u64 EstimateRDTSCFrequency() {
-    // Discard the first result measuring the rdtsc.
-    FencedRDTSC();
-    std::this_thread::sleep_for(std::chrono::milliseconds{1});
-    FencedRDTSC();
-
-    // Get the current time.
-    const auto start_time = Common::RealTimeClock::Now();
-    const u64 tsc_start = FencedRDTSC();
-    // Wait for 250 milliseconds.
-    std::this_thread::sleep_for(std::chrono::milliseconds{250});
-    const auto end_time = Common::RealTimeClock::Now();
-    const u64 tsc_end = FencedRDTSC();
-    // Calculate differences.
-    const u64 timer_diff = static_cast<u64>(
-        std::chrono::duration_cast<std::chrono::nanoseconds>(end_time - start_time).count());
-    const u64 tsc_diff = tsc_end - tsc_start;
-    const u64 tsc_freq = MultiplyAndDivide64(tsc_diff, 1000000000ULL, timer_diff);
-    return RoundToNearest<1000>(tsc_freq);
+std::chrono::microseconds NativeClock::GetTimeUS() const {
+    return std::chrono::microseconds{MultiplyHigh(GetHostTicksElapsed(), us_rdtsc_factor)};
 }
 
-namespace X64 {
-NativeClock::NativeClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_,
-                         u64 rtsc_frequency_)
-    : WallClock(emulated_cpu_frequency_, emulated_clock_frequency_, true), rtsc_frequency{
-                                                                               rtsc_frequency_} {
-    // Thread to re-adjust the RDTSC frequency after 10 seconds has elapsed.
-    time_sync_thread = std::jthread{[this](std::stop_token token) {
-        // Get the current time.
-        const auto start_time = Common::RealTimeClock::Now();
-        const u64 tsc_start = FencedRDTSC();
-        // Wait for 10 seconds.
-        if (!Common::StoppableTimedWait(token, std::chrono::seconds{10})) {
-            return;
-        }
-        const auto end_time = Common::RealTimeClock::Now();
-        const u64 tsc_end = FencedRDTSC();
-        // Calculate differences.
-        const u64 timer_diff = static_cast<u64>(
-            std::chrono::duration_cast<std::chrono::nanoseconds>(end_time - start_time).count());
-        const u64 tsc_diff = tsc_end - tsc_start;
-        const u64 tsc_freq = MultiplyAndDivide64(tsc_diff, 1000000000ULL, timer_diff);
-        rtsc_frequency = tsc_freq;
-        CalculateAndSetFactors();
-    }};
-
-    time_point.inner.last_measure = FencedRDTSC();
-    time_point.inner.accumulated_ticks = 0U;
-    CalculateAndSetFactors();
+std::chrono::milliseconds NativeClock::GetTimeMS() const {
+    return std::chrono::milliseconds{MultiplyHigh(GetHostTicksElapsed(), ms_rdtsc_factor)};
 }
 
-u64 NativeClock::GetRTSC() {
-    TimePoint new_time_point{};
-    TimePoint current_time_point{};
-
-    current_time_point.pack = Common::AtomicLoad128(time_point.pack.data());
-    do {
-        const u64 current_measure = FencedRDTSC();
-        u64 diff = current_measure - current_time_point.inner.last_measure;
-        diff = diff & ~static_cast<u64>(static_cast<s64>(diff) >> 63); // max(diff, 0)
-        new_time_point.inner.last_measure = current_measure > current_time_point.inner.last_measure
-                                                ? current_measure
-                                                : current_time_point.inner.last_measure;
-        new_time_point.inner.accumulated_ticks = current_time_point.inner.accumulated_ticks + diff;
-    } while (!Common::AtomicCompareAndSwap(time_point.pack.data(), new_time_point.pack,
-                                           current_time_point.pack, current_time_point.pack));
-    return new_time_point.inner.accumulated_ticks;
+u64 NativeClock::GetCNTPCT() const {
+    return MultiplyHigh(GetHostTicksElapsed(), cntpct_rdtsc_factor);
 }
 
-void NativeClock::Pause(bool is_paused) {
-    if (!is_paused) {
-        TimePoint current_time_point{};
-        TimePoint new_time_point{};
-
-        current_time_point.pack = Common::AtomicLoad128(time_point.pack.data());
-        do {
-            new_time_point.pack = current_time_point.pack;
-            new_time_point.inner.last_measure = FencedRDTSC();
-        } while (!Common::AtomicCompareAndSwap(time_point.pack.data(), new_time_point.pack,
-                                               current_time_point.pack, current_time_point.pack));
-    }
+u64 NativeClock::GetGPUTick() const {
+    return MultiplyHigh(GetHostTicksElapsed(), gputick_rdtsc_factor);
 }
 
-std::chrono::nanoseconds NativeClock::GetTimeNS() {
-    const u64 rtsc_value = GetRTSC();
-    return std::chrono::nanoseconds{MultiplyHigh(rtsc_value, ns_rtsc_factor)};
+u64 NativeClock::GetHostTicksNow() const {
+    return FencedRDTSC();
 }
 
-std::chrono::microseconds NativeClock::GetTimeUS() {
-    const u64 rtsc_value = GetRTSC();
-    return std::chrono::microseconds{MultiplyHigh(rtsc_value, us_rtsc_factor)};
+u64 NativeClock::GetHostTicksElapsed() const {
+    return FencedRDTSC() - start_ticks;
 }
 
-std::chrono::milliseconds NativeClock::GetTimeMS() {
-    const u64 rtsc_value = GetRTSC();
-    return std::chrono::milliseconds{MultiplyHigh(rtsc_value, ms_rtsc_factor)};
+bool NativeClock::IsNative() const {
+    return true;
 }
 
-u64 NativeClock::GetClockCycles() {
-    const u64 rtsc_value = GetRTSC();
-    return MultiplyHigh(rtsc_value, clock_rtsc_factor);
-}
-
-u64 NativeClock::GetCPUCycles() {
-    const u64 rtsc_value = GetRTSC();
-    return MultiplyHigh(rtsc_value, cpu_rtsc_factor);
-}
-
-void NativeClock::CalculateAndSetFactors() {
-    ns_rtsc_factor = GetFixedPoint64Factor(NS_RATIO, rtsc_frequency);
-    us_rtsc_factor = GetFixedPoint64Factor(US_RATIO, rtsc_frequency);
-    ms_rtsc_factor = GetFixedPoint64Factor(MS_RATIO, rtsc_frequency);
-    clock_rtsc_factor = GetFixedPoint64Factor(emulated_clock_frequency, rtsc_frequency);
-    cpu_rtsc_factor = GetFixedPoint64Factor(emulated_cpu_frequency, rtsc_frequency);
-}
-
-} // namespace X64
-
-} // namespace Common
+} // namespace Common::X64

src/common/x64/native_clock.h

@@ -3,58 +3,39 @@
 
 #pragma once
 
-#include "common/polyfill_thread.h"
 #include "common/wall_clock.h"
 
-namespace Common {
+namespace Common::X64 {
 
-namespace X64 {
 class NativeClock final : public WallClock {
 public:
-    explicit NativeClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_,
-                         u64 rtsc_frequency_);
+    explicit NativeClock(u64 rdtsc_frequency_);
 
-    std::chrono::nanoseconds GetTimeNS() override;
+    std::chrono::nanoseconds GetTimeNS() const override;
 
-    std::chrono::microseconds GetTimeUS() override;
+    std::chrono::microseconds GetTimeUS() const override;
 
-    std::chrono::milliseconds GetTimeMS() override;
+    std::chrono::milliseconds GetTimeMS() const override;
 
-    u64 GetClockCycles() override;
+    u64 GetCNTPCT() const override;
 
-    u64 GetCPUCycles() override;
+    u64 GetGPUTick() const override;
 
-    void Pause(bool is_paused) override;
+    u64 GetHostTicksNow() const override;
+
+    u64 GetHostTicksElapsed() const override;
+
+    bool IsNative() const override;
 
 private:
-    u64 GetRTSC();
+    u64 start_ticks;
+    u64 rdtsc_frequency;
 
-    void CalculateAndSetFactors();
-
-    union alignas(16) TimePoint {
-        TimePoint() : pack{} {}
-        u128 pack{};
-        struct Inner {
-            u64 last_measure{};
-            u64 accumulated_ticks{};
-        } inner;
-    };
-
-    TimePoint time_point;
-
-    // factors
-    u64 clock_rtsc_factor{};
-    u64 cpu_rtsc_factor{};
-    u64 ns_rtsc_factor{};
-    u64 us_rtsc_factor{};
-    u64 ms_rtsc_factor{};
-
-    u64 rtsc_frequency;
-
-    std::jthread time_sync_thread;
+    u64 ns_rdtsc_factor;
+    u64 us_rdtsc_factor;
+    u64 ms_rdtsc_factor;
+    u64 cntpct_rdtsc_factor;
+    u64 gputick_rdtsc_factor;
 };
-} // namespace X64
 
-u64 EstimateRDTSCFrequency();
-
-} // namespace Common
+} // namespace Common::X64

src/common/x64/rdtsc.cpp

@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <thread>
+
+#include "common/steady_clock.h"
+#include "common/uint128.h"
+#include "common/x64/rdtsc.h"
+
+namespace Common::X64 {
+
+template <u64 Nearest>
+static u64 RoundToNearest(u64 value) {
+    const auto mod = value % Nearest;
+    return mod >= (Nearest / 2) ? (value - mod + Nearest) : (value - mod);
+}
+
+u64 EstimateRDTSCFrequency() {
+    // Discard the first result measuring the rdtsc.
+    FencedRDTSC();
+    std::this_thread::sleep_for(std::chrono::milliseconds{1});
+    FencedRDTSC();
+
+    // Get the current time.
+    const auto start_time = RealTimeClock::Now();
+    const u64 tsc_start = FencedRDTSC();
+    // Wait for 100 milliseconds.
+    std::this_thread::sleep_for(std::chrono::milliseconds{100});
+    const auto end_time = RealTimeClock::Now();
+    const u64 tsc_end = FencedRDTSC();
+    // Calculate differences.
+    const u64 timer_diff = static_cast<u64>(
+        std::chrono::duration_cast<std::chrono::nanoseconds>(end_time - start_time).count());
+    const u64 tsc_diff = tsc_end - tsc_start;
+    const u64 tsc_freq = MultiplyAndDivide64(tsc_diff, 1000000000ULL, timer_diff);
+    return RoundToNearest<100'000>(tsc_freq);
+}
+
+} // namespace Common::X64

src/common/x64/rdtsc.h

@@ -0,0 +1,37 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#ifdef _MSC_VER
+#include <intrin.h>
+#endif
+
+#include "common/common_types.h"
+
+namespace Common::X64 {
+
+#ifdef _MSC_VER
+__forceinline static u64 FencedRDTSC() {
+    _mm_lfence();
+    _ReadWriteBarrier();
+    const u64 result = __rdtsc();
+    _mm_lfence();
+    _ReadWriteBarrier();
+    return result;
+}
+#else
+static inline u64 FencedRDTSC() {
+    u64 eax;
+    u64 edx;
+    asm volatile("lfence\n\t"
+                 "rdtsc\n\t"
+                 "lfence\n\t"
+                 : "=a"(eax), "=d"(edx));
+    return (edx << 32) | eax;
+}
+#endif
+
+u64 EstimateRDTSCFrequency();
+
+} // namespace Common::X64

src/core/CMakeLists.txt

@@ -14,7 +14,6 @@ add_library(core STATIC
     core.h
     core_timing.cpp
     core_timing.h
-    core_timing_util.h
     cpu_manager.cpp
     cpu_manager.h
     crypto/aes_util.cpp

src/core/core_timing.cpp

@@ -16,12 +16,11 @@
 
 #include "common/microprofile.h"
 #include "core/core_timing.h"
-#include "core/core_timing_util.h"
 #include "core/hardware_properties.h"
 
 namespace Core::Timing {
 
-constexpr s64 MAX_SLICE_LENGTH = 4000;
+constexpr s64 MAX_SLICE_LENGTH = 10000;
 
 std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callback) {
     return std::make_shared<EventType>(std::move(callback), std::move(name));
@@ -45,9 +44,7 @@ struct CoreTiming::Event {
     }
 };
 
-CoreTiming::CoreTiming()
-    : cpu_clock{Common::CreateBestMatchingClock(Hardware::BASE_CLOCK_RATE, Hardware::CNTFREQ)},
-      event_clock{Common::CreateStandardWallClock(Hardware::BASE_CLOCK_RATE, Hardware::CNTFREQ)} {}
+CoreTiming::CoreTiming() : clock{Common::CreateOptimalClock()} {}
 
 CoreTiming::~CoreTiming() {
     Reset();
@@ -68,7 +65,7 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
     on_thread_init = std::move(on_thread_init_);
     event_fifo_id = 0;
     shutting_down = false;
-    ticks = 0;
+    cpu_ticks = 0;
     const auto empty_timed_callback = [](std::uintptr_t, u64, std::chrono::nanoseconds)
         -> std::optional<std::chrono::nanoseconds> { return std::nullopt; };
     ev_lost = CreateEvent("_lost_event", empty_timed_callback);
@@ -173,38 +170,30 @@ void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type,
 }
 
 void CoreTiming::AddTicks(u64 ticks_to_add) {
-    ticks += ticks_to_add;
-    downcount -= static_cast<s64>(ticks);
+    cpu_ticks += ticks_to_add;
+    downcount -= static_cast<s64>(cpu_ticks);
 }
 
 void CoreTiming::Idle() {
-    if (!event_queue.empty()) {
-        const u64 next_event_time = event_queue.front().time;
-        const u64 next_ticks = nsToCycles(std::chrono::nanoseconds(next_event_time)) + 10U;
-        if (next_ticks > ticks) {
-            ticks = next_ticks;
-        }
-        return;
-    }
-    ticks += 1000U;
+    cpu_ticks += 1000U;
 }
 
 void CoreTiming::ResetTicks() {
     downcount = MAX_SLICE_LENGTH;
 }
 
-u64 CoreTiming::GetCPUTicks() const {
-    if (is_multicore) [[likely]] {
-        return cpu_clock->GetCPUCycles();
-    }
-    return ticks;
-}
-
 u64 CoreTiming::GetClockTicks() const {
     if (is_multicore) [[likely]] {
-        return cpu_clock->GetClockCycles();
+        return clock->GetCNTPCT();
     }
-    return CpuCyclesToClockCycles(ticks);
+    return Common::WallClock::CPUTickToCNTPCT(cpu_ticks);
+}
+
+u64 CoreTiming::GetGPUTicks() const {
+    if (is_multicore) [[likely]] {
+        return clock->GetGPUTick();
+    }
+    return Common::WallClock::CPUTickToGPUTick(cpu_ticks);
 }
 
 std::optional<s64> CoreTiming::Advance() {
@@ -297,9 +286,7 @@ void CoreTiming::ThreadLoop() {
         }
 
         paused_set = true;
-        event_clock->Pause(true);
         pause_event.Wait();
-        event_clock->Pause(false);
     }
 }
 
@@ -315,25 +302,18 @@ void CoreTiming::Reset() {
     has_started = false;
 }
 
-std::chrono::nanoseconds CoreTiming::GetCPUTimeNs() const {
-    if (is_multicore) [[likely]] {
-        return cpu_clock->GetTimeNS();
-    }
-    return CyclesToNs(ticks);
-}
-
 std::chrono::nanoseconds CoreTiming::GetGlobalTimeNs() const {
     if (is_multicore) [[likely]] {
-        return event_clock->GetTimeNS();
+        return clock->GetTimeNS();
     }
-    return CyclesToNs(ticks);
+    return std::chrono::nanoseconds{Common::WallClock::CPUTickToNS(cpu_ticks)};
 }
 
 std::chrono::microseconds CoreTiming::GetGlobalTimeUs() const {
     if (is_multicore) [[likely]] {
-        return event_clock->GetTimeUS();
+        return clock->GetTimeUS();
     }
-    return CyclesToUs(ticks);
+    return std::chrono::microseconds{Common::WallClock::CPUTickToUS(cpu_ticks)};
 }
 
 } // namespace Core::Timing

src/core/core_timing.h

@@ -116,14 +116,11 @@ public:
         return downcount;
     }
 
-    /// Returns current time in emulated CPU cycles
-    u64 GetCPUTicks() const;
-
-    /// Returns current time in emulated in Clock cycles
+    /// Returns the current CNTPCT tick value.
     u64 GetClockTicks() const;
 
-    /// Returns current time in nanoseconds.
-    std::chrono::nanoseconds GetCPUTimeNs() const;
+    /// Returns the current GPU tick value.
+    u64 GetGPUTicks() const;
 
     /// Returns current time in microseconds.
     std::chrono::microseconds GetGlobalTimeUs() const;
@@ -142,8 +139,7 @@ private:
 
     void Reset();
 
-    std::unique_ptr<Common::WallClock> cpu_clock;
-    std::unique_ptr<Common::WallClock> event_clock;
+    std::unique_ptr<Common::WallClock> clock;
 
     s64 global_timer = 0;
 
@@ -171,7 +167,7 @@ private:
     s64 pause_end_time{};
 
     /// Cycle timing
-    u64 ticks{};
+    u64 cpu_ticks{};
     s64 downcount{};
 };
 

src/core/core_timing_util.h

@@ -1,58 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <chrono>
-
-#include "common/common_types.h"
-#include "core/hardware_properties.h"
-
-namespace Core::Timing {
-
-namespace detail {
-constexpr u64 CNTFREQ_ADJUSTED = Hardware::CNTFREQ / 1000;
-constexpr u64 BASE_CLOCK_RATE_ADJUSTED = Hardware::BASE_CLOCK_RATE / 1000;
-} // namespace detail
-
-[[nodiscard]] constexpr s64 msToCycles(std::chrono::milliseconds ms) {
-    return ms.count() * detail::BASE_CLOCK_RATE_ADJUSTED;
-}
-
-[[nodiscard]] constexpr s64 usToCycles(std::chrono::microseconds us) {
-    return us.count() * detail::BASE_CLOCK_RATE_ADJUSTED / 1000;
-}
-
-[[nodiscard]] constexpr s64 nsToCycles(std::chrono::nanoseconds ns) {
-    return ns.count() * detail::BASE_CLOCK_RATE_ADJUSTED / 1000000;
-}
-
-[[nodiscard]] constexpr u64 msToClockCycles(std::chrono::milliseconds ms) {
-    return static_cast<u64>(ms.count()) * detail::CNTFREQ_ADJUSTED;
-}
-
-[[nodiscard]] constexpr u64 usToClockCycles(std::chrono::microseconds us) {
-    return us.count() * detail::CNTFREQ_ADJUSTED / 1000;
-}
-
-[[nodiscard]] constexpr u64 nsToClockCycles(std::chrono::nanoseconds ns) {
-    return ns.count() * detail::CNTFREQ_ADJUSTED / 1000000;
-}
-
-[[nodiscard]] constexpr u64 CpuCyclesToClockCycles(u64 ticks) {
-    return ticks * detail::CNTFREQ_ADJUSTED / detail::BASE_CLOCK_RATE_ADJUSTED;
-}
-
-[[nodiscard]] constexpr std::chrono::milliseconds CyclesToMs(s64 cycles) {
-    return std::chrono::milliseconds(cycles / detail::BASE_CLOCK_RATE_ADJUSTED);
-}
-
-[[nodiscard]] constexpr std::chrono::nanoseconds CyclesToNs(s64 cycles) {
-    return std::chrono::nanoseconds(cycles * 1000000 / detail::BASE_CLOCK_RATE_ADJUSTED);
-}
-
-[[nodiscard]] constexpr std::chrono::microseconds CyclesToUs(s64 cycles) {
-    return std::chrono::microseconds(cycles * 1000 / detail::BASE_CLOCK_RATE_ADJUSTED);
-}
-
-} // namespace Core::Timing

src/core/file_sys/patch_manager.cpp

@@ -153,7 +153,7 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
     const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
 
     std::vector<VirtualDir> patch_dirs = {sdmc_load_dir};
-    if (load_dir != nullptr && load_dir->GetSize() > 0) {
+    if (load_dir != nullptr) {
         const auto load_patch_dirs = load_dir->GetSubdirectories();
         patch_dirs.insert(patch_dirs.end(), load_patch_dirs.begin(), load_patch_dirs.end());
     }
@@ -354,8 +354,7 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
     const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
     const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
     if ((type != ContentRecordType::Program && type != ContentRecordType::Data) ||
-        ((load_dir == nullptr || load_dir->GetSize() <= 0) &&
-         (sdmc_load_dir == nullptr || sdmc_load_dir->GetSize() <= 0))) {
+        (load_dir == nullptr && sdmc_load_dir == nullptr)) {
         return;
     }
 
@@ -496,7 +495,7 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
 
     // General Mods (LayeredFS and IPS)
     const auto mod_dir = fs_controller.GetModificationLoadRoot(title_id);
-    if (mod_dir != nullptr && mod_dir->GetSize() > 0) {
+    if (mod_dir != nullptr) {
         for (const auto& mod : mod_dir->GetSubdirectories()) {
             std::string types;
 
@@ -540,7 +539,7 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
 
     // SDMC mod directory (RomFS LayeredFS)
     const auto sdmc_mod_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
-    if (sdmc_mod_dir != nullptr && sdmc_mod_dir->GetSize() > 0) {
+    if (sdmc_mod_dir != nullptr) {
         std::string types;
         if (IsDirValidAndNonEmpty(FindSubdirectoryCaseless(sdmc_mod_dir, "exefs"))) {
             AppendCommaIfNotEmpty(types, "LayeredExeFS");

src/core/file_sys/system_archive/time_zone_binary.cpp

@@ -15,7 +15,7 @@ namespace FileSys::SystemArchive {
 const static std::map<std::string, const std::map<const char*, const std::vector<u8>>&>
     tzdb_zoneinfo_dirs = {{"Africa", NxTzdb::africa},
                           {"America", NxTzdb::america},
-                          {"Antartica", NxTzdb::antartica},
+                          {"Antarctica", NxTzdb::antarctica},
                           {"Arctic", NxTzdb::arctic},
                           {"Asia", NxTzdb::asia},
                           {"Atlantic", NxTzdb::atlantic},

src/core/file_sys/vfs_concat.cpp

@@ -150,23 +150,29 @@ std::size_t ConcatenatedVfsFile::Read(u8* data, std::size_t length, std::size_t
     while (cur_length > 0 && it != concatenation_map.end()) {
         // Check if we can read the file at this position.
         const auto& file = it->file;
-        const u64 file_offset = it->offset;
+        const u64 map_offset = it->offset;
         const u64 file_size = file->GetSize();
 
-        if (cur_offset >= file_offset + file_size) {
+        if (cur_offset > map_offset + file_size) {
             // Entirely out of bounds read.
             break;
         }
 
         // Read the file at this position.
-        const u64 intended_read_size = std::min<u64>(cur_length, file_size);
+        const u64 file_seek = cur_offset - map_offset;
+        const u64 intended_read_size = std::min<u64>(cur_length, file_size - file_seek);
         const u64 actual_read_size =
-            file->Read(data + (cur_offset - offset), intended_read_size, cur_offset - file_offset);
+            file->Read(data + (cur_offset - offset), intended_read_size, file_seek);
 
         // Update tracking.
         cur_offset += actual_read_size;
         cur_length -= actual_read_size;
         it++;
+
+        // If we encountered a short read, we're done.
+        if (actual_read_size < intended_read_size) {
+            break;
+        }
     }
 
     return cur_offset - offset;

src/core/file_sys/vfs_real.cpp

@@ -10,6 +10,7 @@
 #include "common/fs/fs.h"
 #include "common/fs/path_util.h"
 #include "common/logging/log.h"
+#include "core/file_sys/vfs.h"
 #include "core/file_sys/vfs_real.h"
 
 // For FileTimeStampRaw
@@ -72,8 +73,10 @@ VfsEntryType RealVfsFilesystem::GetEntryType(std::string_view path_) const {
     return VfsEntryType::File;
 }
 
-VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
+VirtualFile RealVfsFilesystem::OpenFileFromEntry(std::string_view path_, std::optional<u64> size,
+                                                 Mode perms) {
     const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
+    std::scoped_lock lk{list_lock};
 
     if (auto it = cache.find(path); it != cache.end()) {
         if (auto file = it->second.lock(); file) {
@@ -81,23 +84,30 @@ VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
         }
     }
 
-    if (!FS::Exists(path) || !FS::IsFile(path)) {
+    if (!size && !FS::IsFile(path)) {
         return nullptr;
     }
 
     auto reference = std::make_unique<FileReference>();
-    this->InsertReferenceIntoList(*reference);
+    this->InsertReferenceIntoListLocked(*reference);
 
-    auto file =
-        std::shared_ptr<RealVfsFile>(new RealVfsFile(*this, std::move(reference), path, perms));
+    auto file = std::shared_ptr<RealVfsFile>(
+        new RealVfsFile(*this, std::move(reference), path, perms, size));
     cache[path] = file;
 
     return file;
 }
 
+VirtualFile RealVfsFilesystem::OpenFile(std::string_view path_, Mode perms) {
+    return OpenFileFromEntry(path_, {}, perms);
+}
+
 VirtualFile RealVfsFilesystem::CreateFile(std::string_view path_, Mode perms) {
     const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
-    cache.erase(path);
+    {
+        std::scoped_lock lk{list_lock};
+        cache.erase(path);
+    }
 
     // Current usages of CreateFile expect to delete the contents of an existing file.
     if (FS::IsFile(path)) {
@@ -127,8 +137,11 @@ VirtualFile RealVfsFilesystem::CopyFile(std::string_view old_path_, std::string_
 VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_view new_path_) {
     const auto old_path = FS::SanitizePath(old_path_, FS::DirectorySeparator::PlatformDefault);
     const auto new_path = FS::SanitizePath(new_path_, FS::DirectorySeparator::PlatformDefault);
-    cache.erase(old_path);
-    cache.erase(new_path);
+    {
+        std::scoped_lock lk{list_lock};
+        cache.erase(old_path);
+        cache.erase(new_path);
+    }
     if (!FS::RenameFile(old_path, new_path)) {
         return nullptr;
     }
@@ -137,7 +150,10 @@ VirtualFile RealVfsFilesystem::MoveFile(std::string_view old_path_, std::string_
 
 bool RealVfsFilesystem::DeleteFile(std::string_view path_) {
     const auto path = FS::SanitizePath(path_, FS::DirectorySeparator::PlatformDefault);
-    cache.erase(path);
+    {
+        std::scoped_lock lk{list_lock};
+        cache.erase(path);
+    }
     return FS::RemoveFile(path);
 }
 
@@ -176,14 +192,17 @@ bool RealVfsFilesystem::DeleteDirectory(std::string_view path_) {
     return FS::RemoveDirRecursively(path);
 }
 
-void RealVfsFilesystem::RefreshReference(const std::string& path, Mode perms,
-                                         FileReference& reference) {
+std::unique_lock<std::mutex> RealVfsFilesystem::RefreshReference(const std::string& path,
+                                                                 Mode perms,
+                                                                 FileReference& reference) {
+    std::unique_lock lk{list_lock};
+
     // Temporarily remove from list.
-    this->RemoveReferenceFromList(reference);
+    this->RemoveReferenceFromListLocked(reference);
 
     // Restore file if needed.
     if (!reference.file) {
-        this->EvictSingleReference();
+        this->EvictSingleReferenceLocked();
 
         reference.file =
             FS::FileOpen(path, ModeFlagsToFileAccessMode(perms), FS::FileType::BinaryFile);
@@ -193,12 +212,16 @@ void RealVfsFilesystem::RefreshReference(const std::string& path, Mode perms,
     }
 
     // Reinsert into list.
-    this->InsertReferenceIntoList(reference);
+    this->InsertReferenceIntoListLocked(reference);
+
+    return lk;
 }
 
 void RealVfsFilesystem::DropReference(std::unique_ptr<FileReference>&& reference) {
+    std::scoped_lock lk{list_lock};
+
     // Remove from list.
-    this->RemoveReferenceFromList(*reference);
+    this->RemoveReferenceFromListLocked(*reference);
 
     // Close the file.
     if (reference->file) {
@@ -207,14 +230,14 @@ void RealVfsFilesystem::DropReference(std::unique_ptr<FileReference>&& reference
     }
 }
 
-void RealVfsFilesystem::EvictSingleReference() {
+void RealVfsFilesystem::EvictSingleReferenceLocked() {
     if (num_open_files < MaxOpenFiles || open_references.empty()) {
         return;
     }
 
     // Get and remove from list.
     auto& reference = open_references.back();
-    this->RemoveReferenceFromList(reference);
+    this->RemoveReferenceFromListLocked(reference);
 
     // Close the file.
     if (reference.file) {
@@ -223,10 +246,10 @@ void RealVfsFilesystem::EvictSingleReference() {
     }
 
     // Reinsert into closed list.
-    this->InsertReferenceIntoList(reference);
+    this->InsertReferenceIntoListLocked(reference);
 }
 
-void RealVfsFilesystem::InsertReferenceIntoList(FileReference& reference) {
+void RealVfsFilesystem::InsertReferenceIntoListLocked(FileReference& reference) {
     if (reference.file) {
         open_references.push_front(reference);
     } else {
@@ -234,7 +257,7 @@ void RealVfsFilesystem::InsertReferenceIntoList(FileReference& reference) {
     }
 }
 
-void RealVfsFilesystem::RemoveReferenceFromList(FileReference& reference) {
+void RealVfsFilesystem::RemoveReferenceFromListLocked(FileReference& reference) {
     if (reference.file) {
         open_references.erase(open_references.iterator_to(reference));
     } else {
@@ -243,10 +266,10 @@ void RealVfsFilesystem::RemoveReferenceFromList(FileReference& reference) {
 }
 
 RealVfsFile::RealVfsFile(RealVfsFilesystem& base_, std::unique_ptr<FileReference> reference_,
-                         const std::string& path_, Mode perms_)
+                         const std::string& path_, Mode perms_, std::optional<u64> size_)
     : base(base_), reference(std::move(reference_)), path(path_),
       parent_path(FS::GetParentPath(path_)), path_components(FS::SplitPathComponents(path_)),
-      perms(perms_) {}
+      size(size_), perms(perms_) {}
 
 RealVfsFile::~RealVfsFile() {
     base.DropReference(std::move(reference));
@@ -257,12 +280,15 @@ std::string RealVfsFile::GetName() const {
 }
 
 std::size_t RealVfsFile::GetSize() const {
-    base.RefreshReference(path, perms, *reference);
-    return reference->file ? reference->file->GetSize() : 0;
+    if (size) {
+        return *size;
+    }
+    return FS::GetSize(path);
 }
 
 bool RealVfsFile::Resize(std::size_t new_size) {
-    base.RefreshReference(path, perms, *reference);
+    size.reset();
+    auto lk = base.RefreshReference(path, perms, *reference);
     return reference->file ? reference->file->SetSize(new_size) : false;
 }
 
@@ -279,7 +305,7 @@ bool RealVfsFile::IsReadable() const {
 }
 
 std::size_t RealVfsFile::Read(u8* data, std::size_t length, std::size_t offset) const {
-    base.RefreshReference(path, perms, *reference);
+    auto lk = base.RefreshReference(path, perms, *reference);
     if (!reference->file || !reference->file->Seek(static_cast<s64>(offset))) {
         return 0;
     }
@@ -287,7 +313,8 @@ std::size_t RealVfsFile::Read(u8* data, std::size_t length, std::size_t offset)
 }
 
 std::size_t RealVfsFile::Write(const u8* data, std::size_t length, std::size_t offset) {
-    base.RefreshReference(path, perms, *reference);
+    size.reset();
+    auto lk = base.RefreshReference(path, perms, *reference);
     if (!reference->file || !reference->file->Seek(static_cast<s64>(offset))) {
         return 0;
     }
@@ -309,10 +336,11 @@ std::vector<VirtualFile> RealVfsDirectory::IterateEntries<RealVfsFile, VfsFile>(
 
     std::vector<VirtualFile> out;
 
-    const FS::DirEntryCallable callback = [this, &out](const std::filesystem::path& full_path) {
-        const auto full_path_string = FS::PathToUTF8String(full_path);
+    const FS::DirEntryCallable callback = [this,
+                                           &out](const std::filesystem::directory_entry& entry) {
+        const auto full_path_string = FS::PathToUTF8String(entry.path());
 
-        out.emplace_back(base.OpenFile(full_path_string, perms));
+        out.emplace_back(base.OpenFileFromEntry(full_path_string, entry.file_size(), perms));
 
         return true;
     };
@@ -330,8 +358,9 @@ std::vector<VirtualDir> RealVfsDirectory::IterateEntries<RealVfsDirectory, VfsDi
 
     std::vector<VirtualDir> out;
 
-    const FS::DirEntryCallable callback = [this, &out](const std::filesystem::path& full_path) {
-        const auto full_path_string = FS::PathToUTF8String(full_path);
+    const FS::DirEntryCallable callback = [this,
+                                           &out](const std::filesystem::directory_entry& entry) {
+        const auto full_path_string = FS::PathToUTF8String(entry.path());
 
         out.emplace_back(base.OpenDirectory(full_path_string, perms));
 
@@ -483,12 +512,10 @@ std::map<std::string, VfsEntryType, std::less<>> RealVfsDirectory::GetEntries()
 
     std::map<std::string, VfsEntryType, std::less<>> out;
 
-    const FS::DirEntryCallable callback = [&out](const std::filesystem::path& full_path) {
-        const auto filename = FS::PathToUTF8String(full_path.filename());
-
+    const FS::DirEntryCallable callback = [&out](const std::filesystem::directory_entry& entry) {
+        const auto filename = FS::PathToUTF8String(entry.path().filename());
         out.insert_or_assign(filename,
-                             FS::IsDir(full_path) ? VfsEntryType::Directory : VfsEntryType::File);
-
+                             entry.is_directory() ? VfsEntryType::Directory : VfsEntryType::File);
         return true;
     };
 

src/core/file_sys/vfs_real.h

@@ -4,6 +4,8 @@
 #pragma once
 
 #include <map>
+#include <mutex>
+#include <optional>
 #include <string_view>
 #include "common/intrusive_list.h"
 #include "core/file_sys/mode.h"
@@ -20,6 +22,8 @@ struct FileReference : public Common::IntrusiveListBaseNode<FileReference> {
 };
 
 class RealVfsFile;
+class RealVfsDirectory;
+
 class RealVfsFilesystem : public VfsFilesystem {
 public:
     RealVfsFilesystem();
@@ -45,17 +49,24 @@ private:
     std::map<std::string, std::weak_ptr<VfsFile>, std::less<>> cache;
     ReferenceListType open_references;
     ReferenceListType closed_references;
+    std::mutex list_lock;
     size_t num_open_files{};
 
 private:
     friend class RealVfsFile;
-    void RefreshReference(const std::string& path, Mode perms, FileReference& reference);
+    std::unique_lock<std::mutex> RefreshReference(const std::string& path, Mode perms,
+                                                  FileReference& reference);
     void DropReference(std::unique_ptr<FileReference>&& reference);
-    void EvictSingleReference();
 
 private:
-    void InsertReferenceIntoList(FileReference& reference);
-    void RemoveReferenceFromList(FileReference& reference);
+    friend class RealVfsDirectory;
+    VirtualFile OpenFileFromEntry(std::string_view path, std::optional<u64> size,
+                                  Mode perms = Mode::Read);
+
+private:
+    void EvictSingleReferenceLocked();
+    void InsertReferenceIntoListLocked(FileReference& reference);
+    void RemoveReferenceFromListLocked(FileReference& reference);
 };
 
 // An implementation of VfsFile that represents a file on the user's computer.
@@ -78,13 +89,14 @@ public:
 
 private:
     RealVfsFile(RealVfsFilesystem& base, std::unique_ptr<FileReference> reference,
-                const std::string& path, Mode perms = Mode::Read);
+                const std::string& path, Mode perms = Mode::Read, std::optional<u64> size = {});
 
     RealVfsFilesystem& base;
     std::unique_ptr<FileReference> reference;
     std::string path;
     std::string parent_path;
     std::vector<std::string> path_components;
+    std::optional<u64> size;
     Mode perms;
 };
 

src/core/hid/emulated_controller.cpp

@@ -149,12 +149,16 @@ void EmulatedController::LoadDevices() {
 
     camera_params[0] = right_joycon;
     camera_params[0].Set("camera", true);
-    camera_params[1] = Common::ParamPackage{"engine:camera,camera:1"};
-    ring_params[1] = Common::ParamPackage{"engine:joycon,axis_x:100,axis_y:101"};
-    nfc_params[0] = Common::ParamPackage{"engine:virtual_amiibo,nfc:1"};
     nfc_params[1] = right_joycon;
     nfc_params[1].Set("nfc", true);
 
+    // Only map virtual devices to the first controller
+    if (npad_id_type == NpadIdType::Player1 || npad_id_type == NpadIdType::Handheld) {
+        camera_params[1] = Common::ParamPackage{"engine:camera,camera:1"};
+        ring_params[1] = Common::ParamPackage{"engine:joycon,axis_x:100,axis_y:101"};
+        nfc_params[0] = Common::ParamPackage{"engine:virtual_amiibo,nfc:1"};
+    }
+
     output_params[LeftIndex] = left_joycon;
     output_params[RightIndex] = right_joycon;
     output_params[2] = camera_params[1];
@@ -1176,10 +1180,7 @@ void EmulatedController::SetNfc(const Common::Input::CallbackStatus& callback) {
         return;
     }
 
-    controller.nfc_state = {
-        controller.nfc_values.state,
-        controller.nfc_values.data,
-    };
+    controller.nfc_state = controller.nfc_values;
 }
 
 bool EmulatedController::SetVibration(std::size_t device_index, VibrationValue vibration) {
@@ -1308,6 +1309,73 @@ bool EmulatedController::HasNfc() const {
     return is_connected && (has_virtual_nfc && is_virtual_nfc_supported);
 }
 
+bool EmulatedController::AddNfcHandle() {
+    nfc_handles++;
+    return SetPollingMode(EmulatedDeviceIndex::RightIndex, Common::Input::PollingMode::NFC) ==
+           Common::Input::DriverResult::Success;
+}
+
+bool EmulatedController::RemoveNfcHandle() {
+    nfc_handles--;
+    if (nfc_handles <= 0) {
+        return SetPollingMode(EmulatedDeviceIndex::RightIndex,
+                              Common::Input::PollingMode::Active) ==
+               Common::Input::DriverResult::Success;
+    }
+    return true;
+}
+
+bool EmulatedController::StartNfcPolling() {
+    auto& nfc_output_device = output_devices[static_cast<std::size_t>(DeviceIndex::Right)];
+    auto& nfc_virtual_output_device = output_devices[3];
+
+    return nfc_output_device->StartNfcPolling() == Common::Input::NfcState::Success ||
+           nfc_virtual_output_device->StartNfcPolling() == Common::Input::NfcState::Success;
+}
+
+bool EmulatedController::StopNfcPolling() {
+    auto& nfc_output_device = output_devices[static_cast<std::size_t>(DeviceIndex::Right)];
+    auto& nfc_virtual_output_device = output_devices[3];
+
+    return nfc_output_device->StopNfcPolling() == Common::Input::NfcState::Success ||
+           nfc_virtual_output_device->StopNfcPolling() == Common::Input::NfcState::Success;
+}
+
+bool EmulatedController::ReadAmiiboData(std::vector<u8>& data) {
+    auto& nfc_output_device = output_devices[static_cast<std::size_t>(DeviceIndex::Right)];
+    auto& nfc_virtual_output_device = output_devices[3];
+
+    if (nfc_output_device->ReadAmiiboData(data) == Common::Input::NfcState::Success) {
+        return true;
+    }
+
+    return nfc_virtual_output_device->ReadAmiiboData(data) == Common::Input::NfcState::Success;
+}
+
+bool EmulatedController::ReadMifareData(const Common::Input::MifareRequest& request,
+                                        Common::Input::MifareRequest& out_data) {
+    auto& nfc_output_device = output_devices[static_cast<std::size_t>(DeviceIndex::Right)];
+    auto& nfc_virtual_output_device = output_devices[3];
+
+    if (nfc_output_device->ReadMifareData(request, out_data) == Common::Input::NfcState::Success) {
+        return true;
+    }
+
+    return nfc_virtual_output_device->ReadMifareData(request, out_data) ==
+           Common::Input::NfcState::Success;
+}
+
+bool EmulatedController::WriteMifareData(const Common::Input::MifareRequest& request) {
+    auto& nfc_output_device = output_devices[static_cast<std::size_t>(DeviceIndex::Right)];
+    auto& nfc_virtual_output_device = output_devices[3];
+
+    if (nfc_output_device->WriteMifareData(request) == Common::Input::NfcState::Success) {
+        return true;
+    }
+
+    return nfc_virtual_output_device->WriteMifareData(request) == Common::Input::NfcState::Success;
+}
+
 bool EmulatedController::WriteNfc(const std::vector<u8>& data) {
     auto& nfc_output_device = output_devices[static_cast<std::size_t>(DeviceIndex::Right)];
     auto& nfc_virtual_output_device = output_devices[3];

src/core/hid/emulated_controller.h

@@ -97,10 +97,7 @@ struct RingSensorForce {
     f32 force;
 };
 
-struct NfcState {
-    Common::Input::NfcState state{};
-    std::vector<u8> data{};
-};
+using NfcState = Common::Input::NfcStatus;
 
 struct ControllerMotion {
     Common::Vec3f accel{};
@@ -393,9 +390,31 @@ public:
     /// Returns true if the device has nfc support
     bool HasNfc() const;
 
+    /// Sets the joycon in nfc mode and increments the handle count
+    bool AddNfcHandle();
+
+    /// Decrements the handle count if zero sets the joycon in active mode
+    bool RemoveNfcHandle();
+
+    /// Start searching for nfc tags
+    bool StartNfcPolling();
+
+    /// Stop searching for nfc tags
+    bool StopNfcPolling();
+
+    /// Returns true if the nfc tag was readable
+    bool ReadAmiiboData(std::vector<u8>& data);
+
     /// Returns true if the nfc tag was written
     bool WriteNfc(const std::vector<u8>& data);
 
+    /// Returns true if the nfc tag was readable
+    bool ReadMifareData(const Common::Input::MifareRequest& request,
+                        Common::Input::MifareRequest& out_data);
+
+    /// Returns true if the nfc tag was written
+    bool WriteMifareData(const Common::Input::MifareRequest& request);
+
     /// Returns the led pattern corresponding to this emulated controller
     LedPattern GetLedPattern() const;
 
@@ -532,6 +551,7 @@ private:
     bool system_buttons_enabled{true};
     f32 motion_sensitivity{Core::HID::MotionInput::IsAtRestStandard};
     u32 turbo_button_state{0};
+    std::size_t nfc_handles{0};
 
     // Temporary values to avoid doing changes while the controller is in configuring mode
     NpadStyleIndex tmp_npad_type{NpadStyleIndex::None};

src/core/hid/input_converter.cpp

@@ -299,11 +299,7 @@ Common::Input::NfcStatus TransformToNfc(const Common::Input::CallbackStatus& cal
     Common::Input::NfcStatus nfc{};
     switch (callback.type) {
     case Common::Input::InputType::Nfc:
-        nfc = {
-            .state = callback.nfc_status,
-            .data = callback.raw_data,
-        };
-        break;
+        return callback.nfc_status;
     default:
         LOG_ERROR(Input, "Conversion from type {} to NFC not implemented", callback.type);
         break;

src/core/hle/kernel/k_scheduler.cpp

@@ -184,7 +184,8 @@ u64 KScheduler::UpdateHighestPriorityThread(KThread* highest_thread) {
         prev_highest_thread != highest_thread) [[likely]] {
         if (prev_highest_thread != nullptr) [[likely]] {
             IncrementScheduledCount(prev_highest_thread);
-            prev_highest_thread->SetLastScheduledTick(m_kernel.System().CoreTiming().GetCPUTicks());
+            prev_highest_thread->SetLastScheduledTick(
+                m_kernel.System().CoreTiming().GetClockTicks());
         }
         if (m_state.should_count_idle) {
             if (highest_thread != nullptr) [[likely]] {
@@ -351,7 +352,7 @@ void KScheduler::SwitchThread(KThread* next_thread) {
 
     // Update the CPU time tracking variables.
     const s64 prev_tick = m_last_context_switch_time;
-    const s64 cur_tick = m_kernel.System().CoreTiming().GetCPUTicks();
+    const s64 cur_tick = m_kernel.System().CoreTiming().GetClockTicks();
     const s64 tick_diff = cur_tick - prev_tick;
     cur_thread->AddCpuTime(m_core_id, tick_diff);
     if (cur_process != nullptr) {

src/core/hle/kernel/k_synchronization_object.cpp

@@ -3,6 +3,7 @@
 
 #include "common/assert.h"
 #include "common/common_types.h"
+#include "common/scratch_buffer.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/k_synchronization_object.h"
@@ -75,7 +76,7 @@ Result KSynchronizationObject::Wait(KernelCore& kernel, s32* out_index,
                                     KSynchronizationObject** objects, const s32 num_objects,
                                     s64 timeout) {
     // Allocate space on stack for thread nodes.
-    std::vector<ThreadListNode> thread_nodes(num_objects);
+    std::array<ThreadListNode, Svc::ArgumentHandleCountMax> thread_nodes;
 
     // Prepare for wait.
     KThread* thread = GetCurrentThreadPointer(kernel);

src/core/hle/kernel/k_thread.cpp

@@ -909,7 +909,7 @@ Result KThread::SetActivity(Svc::ThreadActivity activity) {
     R_SUCCEED();
 }
 
-Result KThread::GetThreadContext3(std::vector<u8>& out) {
+Result KThread::GetThreadContext3(Common::ScratchBuffer<u8>& out) {
     // Lock ourselves.
     KScopedLightLock lk{m_activity_pause_lock};
 
@@ -927,15 +927,13 @@ Result KThread::GetThreadContext3(std::vector<u8>& out) {
                 // Mask away mode bits, interrupt bits, IL bit, and other reserved bits.
                 auto context = GetContext64();
                 context.pstate &= 0xFF0FFE20;
-
-                out.resize(sizeof(context));
+                out.resize_destructive(sizeof(context));
                 std::memcpy(out.data(), std::addressof(context), sizeof(context));
             } else {
                 // Mask away mode bits, interrupt bits, IL bit, and other reserved bits.
                 auto context = GetContext32();
                 context.cpsr &= 0xFF0FFE20;
-
-                out.resize(sizeof(context));
+                out.resize_destructive(sizeof(context));
                 std::memcpy(out.data(), std::addressof(context), sizeof(context));
             }
         }

src/core/hle/kernel/k_thread.h

@@ -15,6 +15,7 @@
 #include "common/intrusive_list.h"
 
 #include "common/intrusive_red_black_tree.h"
+#include "common/scratch_buffer.h"
 #include "common/spin_lock.h"
 #include "core/arm/arm_interface.h"
 #include "core/hle/kernel/k_affinity_mask.h"
@@ -567,7 +568,7 @@ public:
 
     void RemoveWaiter(KThread* thread);
 
-    Result GetThreadContext3(std::vector<u8>& out);
+    Result GetThreadContext3(Common::ScratchBuffer<u8>& out);
 
     KThread* RemoveUserWaiterByKey(bool* out_has_waiters, KProcessAddress key) {
         return this->RemoveWaiterByKey(out_has_waiters, key, false);

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

@@ -199,9 +199,9 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
         if (same_thread && info_sub_id == 0xFFFFFFFFFFFFFFFF) {
             const u64 thread_ticks = current_thread->GetCpuTime();
 
-            out_ticks = thread_ticks + (core_timing.GetCPUTicks() - prev_ctx_ticks);
+            out_ticks = thread_ticks + (core_timing.GetClockTicks() - prev_ctx_ticks);
         } else if (same_thread && info_sub_id == system.Kernel().CurrentPhysicalCoreIndex()) {
-            out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks;
+            out_ticks = core_timing.GetClockTicks() - prev_ctx_ticks;
         }
 
         *result = out_ticks;

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

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "common/scope_exit.h"
+#include "common/scratch_buffer.h"
 #include "core/core.h"
 #include "core/hle/kernel/k_client_session.h"
 #include "core/hle/kernel/k_process.h"
@@ -45,11 +46,11 @@ Result ReplyAndReceive(Core::System& system, s32* out_index, uint64_t handles_ad
                  handles_addr, static_cast<u64>(sizeof(Handle) * num_handles)),
              ResultInvalidPointer);
 
-    std::vector<Handle> handles(num_handles);
+    std::array<Handle, Svc::ArgumentHandleCountMax> handles;
     GetCurrentMemory(kernel).ReadBlock(handles_addr, handles.data(), sizeof(Handle) * num_handles);
 
     // Convert handle list to object table.
-    std::vector<KSynchronizationObject*> objs(num_handles);
+    std::array<KSynchronizationObject*, Svc::ArgumentHandleCountMax> objs;
     R_UNLESS(handle_table.GetMultipleObjects<KSynchronizationObject>(objs.data(), handles.data(),
                                                                      num_handles),
              ResultInvalidHandle);
@@ -80,7 +81,7 @@ Result ReplyAndReceive(Core::System& system, s32* out_index, uint64_t handles_ad
         // Wait for an object.
         s32 index;
         Result result = KSynchronizationObject::Wait(kernel, std::addressof(index), objs.data(),
-                                                     static_cast<s32>(objs.size()), timeout_ns);
+                                                     num_handles, timeout_ns);
         if (result == ResultTimedOut) {
             R_RETURN(result);
         }

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

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "common/scope_exit.h"
+#include "common/scratch_buffer.h"
 #include "core/core.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_readable_event.h"
@@ -54,7 +55,7 @@ static Result WaitSynchronization(Core::System& system, int32_t* out_index, cons
     // Get the synchronization context.
     auto& kernel = system.Kernel();
     auto& handle_table = GetCurrentProcess(kernel).GetHandleTable();
-    std::vector<KSynchronizationObject*> objs(num_handles);
+    std::array<KSynchronizationObject*, Svc::ArgumentHandleCountMax> objs;
 
     // Copy user handles.
     if (num_handles > 0) {
@@ -72,8 +73,8 @@ static Result WaitSynchronization(Core::System& system, int32_t* out_index, cons
     });
 
     // Wait on the objects.
-    Result res = KSynchronizationObject::Wait(kernel, out_index, objs.data(),
-                                              static_cast<s32>(objs.size()), timeout_ns);
+    Result res =
+        KSynchronizationObject::Wait(kernel, out_index, objs.data(), num_handles, timeout_ns);
 
     R_SUCCEED_IF(res == ResultSessionClosed);
     R_RETURN(res);
@@ -87,8 +88,7 @@ Result WaitSynchronization(Core::System& system, int32_t* out_index, u64 user_ha
 
     // Ensure number of handles is valid.
     R_UNLESS(0 <= num_handles && num_handles <= Svc::ArgumentHandleCountMax, ResultOutOfRange);
-
-    std::vector<Handle> handles(num_handles);
+    std::array<Handle, Svc::ArgumentHandleCountMax> handles;
     if (num_handles > 0) {
         GetCurrentMemory(system.Kernel())
             .ReadBlock(user_handles, handles.data(), num_handles * sizeof(Handle));

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

@@ -174,7 +174,7 @@ Result GetThreadContext3(Core::System& system, u64 out_context, Handle thread_ha
         }
 
         // Get the thread context.
-        std::vector<u8> context;
+        static thread_local Common::ScratchBuffer<u8> context;
         R_TRY(thread->GetThreadContext3(context));
 
         // Copy the thread context to user space.

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

@@ -12,16 +12,8 @@ namespace Kernel::Svc {
 int64_t GetSystemTick(Core::System& system) {
     LOG_TRACE(Kernel_SVC, "called");
 
-    auto& core_timing = system.CoreTiming();
-
     // Returns the value of cntpct_el0 (https://switchbrew.org/wiki/SVC#svcGetSystemTick)
-    const u64 result{core_timing.GetClockTicks()};
-
-    if (!system.Kernel().IsMulticore()) {
-        core_timing.AddTicks(400U);
-    }
-
-    return static_cast<int64_t>(result);
+    return static_cast<int64_t>(system.CoreTiming().GetClockTicks());
 }
 
 int64_t GetSystemTick64(Core::System& system) {

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

@@ -141,7 +141,7 @@ void Cabinet::DisplayCompleted(bool apply_changes, std::string_view amiibo_name)
     applet_output.device_handle = applet_input_common.device_handle;
     applet_output.result = CabinetResult::Cancel;
     const auto reg_result = nfp_device->GetRegisterInfo(applet_output.register_info);
-    const auto tag_result = nfp_device->GetTagInfo(applet_output.tag_info, false);
+    const auto tag_result = nfp_device->GetTagInfo(applet_output.tag_info);
     nfp_device->Finalize();
 
     if (reg_result.IsSuccess()) {

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

@@ -5,6 +5,7 @@
 #include "audio_core/renderer/audio_device.h"
 #include "common/common_funcs.h"
 #include "common/logging/log.h"
+#include "common/settings.h"
 #include "common/string_util.h"
 #include "core/core.h"
 #include "core/hle/kernel/k_event.h"
@@ -123,19 +124,13 @@ private:
 
     void GetReleasedAudioInBuffer(HLERequestContext& ctx) {
         const auto write_buffer_size = ctx.GetWriteBufferNumElements<u64>();
-        std::vector<u64> released_buffers(write_buffer_size);
+        tmp_buffer.resize_destructive(write_buffer_size);
+        tmp_buffer[0] = 0;
 
-        const auto count = impl->GetReleasedBuffers(released_buffers);
+        const auto count = impl->GetReleasedBuffers(tmp_buffer);
 
-        [[maybe_unused]] std::string tags{};
-        for (u32 i = 0; i < count; i++) {
-            tags += fmt::format("{:08X}, ", released_buffers[i]);
-        }
-        [[maybe_unused]] auto sessionid{impl->GetSystem().GetSessionId()};
-        LOG_TRACE(Service_Audio, "called. Session {} released {} buffers: {}", sessionid, count,
-                  tags);
+        ctx.WriteBuffer(tmp_buffer);
 
-        ctx.WriteBuffer(released_buffers);
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
         rb.Push(count);
@@ -200,6 +195,7 @@ private:
     KernelHelpers::ServiceContext service_context;
     Kernel::KEvent* event;
     std::shared_ptr<AudioCore::AudioIn::In> impl;
+    Common::ScratchBuffer<u64> tmp_buffer;
 };
 
 AudInU::AudInU(Core::System& system_)

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

@@ -123,19 +123,13 @@ private:
 
     void GetReleasedAudioOutBuffers(HLERequestContext& ctx) {
         const auto write_buffer_size = ctx.GetWriteBufferNumElements<u64>();
-        std::vector<u64> released_buffers(write_buffer_size);
+        tmp_buffer.resize_destructive(write_buffer_size);
+        tmp_buffer[0] = 0;
 
-        const auto count = impl->GetReleasedBuffers(released_buffers);
+        const auto count = impl->GetReleasedBuffers(tmp_buffer);
 
-        [[maybe_unused]] std::string tags{};
-        for (u32 i = 0; i < count; i++) {
-            tags += fmt::format("{:08X}, ", released_buffers[i]);
-        }
-        [[maybe_unused]] const auto sessionid{impl->GetSystem().GetSessionId()};
-        LOG_TRACE(Service_Audio, "called. Session {} released {} buffers: {}", sessionid, count,
-                  tags);
+        ctx.WriteBuffer(tmp_buffer);
 
-        ctx.WriteBuffer(released_buffers);
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
         rb.Push(count);
@@ -211,6 +205,7 @@ private:
     KernelHelpers::ServiceContext service_context;
     Kernel::KEvent* event;
     std::shared_ptr<AudioCore::AudioOut::Out> impl;
+    Common::ScratchBuffer<u64> tmp_buffer;
 };
 
 AudOutU::AudOutU(Core::System& system_)

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

@@ -116,28 +116,26 @@ private:
         // These buffers are written manually to avoid an issue with WriteBuffer throwing errors for
         // checking size 0. Performance size is 0 for most games.
 
-        std::vector<u8> output{};
-        std::vector<u8> performance{};
         auto is_buffer_b{ctx.BufferDescriptorB()[0].Size() != 0};
         if (is_buffer_b) {
             const auto buffersB{ctx.BufferDescriptorB()};
-            output.resize(buffersB[0].Size(), 0);
-            performance.resize(buffersB[1].Size(), 0);
+            tmp_output.resize_destructive(buffersB[0].Size());
+            tmp_performance.resize_destructive(buffersB[1].Size());
         } else {
             const auto buffersC{ctx.BufferDescriptorC()};
-            output.resize(buffersC[0].Size(), 0);
-            performance.resize(buffersC[1].Size(), 0);
+            tmp_output.resize_destructive(buffersC[0].Size());
+            tmp_performance.resize_destructive(buffersC[1].Size());
         }
 
-        auto result = impl->RequestUpdate(input, performance, output);
+        auto result = impl->RequestUpdate(input, tmp_performance, tmp_output);
 
         if (result.IsSuccess()) {
             if (is_buffer_b) {
-                ctx.WriteBufferB(output.data(), output.size(), 0);
-                ctx.WriteBufferB(performance.data(), performance.size(), 1);
+                ctx.WriteBufferB(tmp_output.data(), tmp_output.size(), 0);
+                ctx.WriteBufferB(tmp_performance.data(), tmp_performance.size(), 1);
             } else {
-                ctx.WriteBufferC(output.data(), output.size(), 0);
-                ctx.WriteBufferC(performance.data(), performance.size(), 1);
+                ctx.WriteBufferC(tmp_output.data(), tmp_output.size(), 0);
+                ctx.WriteBufferC(tmp_performance.data(), tmp_performance.size(), 1);
             }
         } else {
             LOG_ERROR(Service_Audio, "RequestUpdate failed error 0x{:02X}!", result.description);
@@ -235,6 +233,8 @@ private:
     Kernel::KEvent* rendered_event;
     Manager& manager;
     std::unique_ptr<Renderer> impl;
+    Common::ScratchBuffer<u8> tmp_output;
+    Common::ScratchBuffer<u8> tmp_performance;
 };
 
 class IAudioDevice final : public ServiceFramework<IAudioDevice> {

src/core/hle/service/audio/audren_u.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include "audio_core/audio_render_manager.h"
+#include "common/scratch_buffer.h"
 #include "core/hle/service/kernel_helpers.h"
 #include "core/hle/service/service.h"
 

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

@@ -68,13 +68,13 @@ private:
                                  ExtraBehavior extra_behavior) {
         u32 consumed = 0;
         u32 sample_count = 0;
-        std::vector<opus_int16> samples(ctx.GetWriteBufferNumElements<opus_int16>());
+        tmp_samples.resize_destructive(ctx.GetWriteBufferNumElements<opus_int16>());
 
         if (extra_behavior == ExtraBehavior::ResetContext) {
             ResetDecoderContext();
         }
 
-        if (!DecodeOpusData(consumed, sample_count, ctx.ReadBuffer(), samples, performance)) {
+        if (!DecodeOpusData(consumed, sample_count, ctx.ReadBuffer(), tmp_samples, performance)) {
             LOG_ERROR(Audio, "Failed to decode opus data");
             IPC::ResponseBuilder rb{ctx, 2};
             // TODO(ogniK): Use correct error code
@@ -90,11 +90,11 @@ private:
         if (performance) {
             rb.Push<u64>(*performance);
         }
-        ctx.WriteBuffer(samples);
+        ctx.WriteBuffer(tmp_samples);
     }
 
     bool DecodeOpusData(u32& consumed, u32& sample_count, std::span<const u8> input,
-                        std::vector<opus_int16>& output, u64* out_performance_time) const {
+                        std::span<opus_int16> output, u64* out_performance_time) const {
         const auto start_time = std::chrono::steady_clock::now();
         const std::size_t raw_output_sz = output.size() * sizeof(opus_int16);
         if (sizeof(OpusPacketHeader) > input.size()) {
@@ -154,6 +154,7 @@ private:
     OpusDecoderPtr decoder;
     u32 sample_rate;
     u32 channel_count;
+    Common::ScratchBuffer<opus_int16> tmp_samples;
 };
 
 class IHardwareOpusDecoderManager final : public ServiceFramework<IHardwareOpusDecoderManager> {

src/core/hle/service/hid/hidbus.cpp

@@ -5,7 +5,6 @@
 #include "common/settings.h"
 #include "core/core.h"
 #include "core/core_timing.h"
-#include "core/core_timing_util.h"
 #include "core/hid/hid_types.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_readable_event.h"

src/core/hle/service/nfc/common/device.cpp

@@ -93,7 +93,8 @@ void NfcDevice::NpadUpdate(Core::HID::ControllerTriggerType type) {
     const auto nfc_status = npad_device->GetNfc();
     switch (nfc_status.state) {
     case Common::Input::NfcState::NewAmiibo:
-        LoadNfcTag(nfc_status.data);
+        LoadNfcTag(nfc_status.protocol, nfc_status.tag_type, nfc_status.uuid_length,
+                   nfc_status.uuid);
         break;
     case Common::Input::NfcState::AmiiboRemoved:
         if (device_state == DeviceState::Initialized || device_state == DeviceState::TagRemoved) {
@@ -108,28 +109,46 @@ void NfcDevice::NpadUpdate(Core::HID::ControllerTriggerType type) {
     }
 }
 
-bool NfcDevice::LoadNfcTag(std::span<const u8> data) {
+bool NfcDevice::LoadNfcTag(u8 protocol, u8 tag_type, u8 uuid_length, UniqueSerialNumber uuid) {
     if (device_state != DeviceState::SearchingForTag) {
         LOG_ERROR(Service_NFC, "Game is not looking for nfc tag, current state {}", device_state);
         return false;
     }
 
+    if ((protocol & static_cast<u8>(allowed_protocols)) == 0) {
+        LOG_ERROR(Service_NFC, "Protocol not supported {}", protocol);
+        return false;
+    }
+
+    real_tag_info = {
+        .uuid = uuid,
+        .uuid_length = uuid_length,
+        .protocol = static_cast<NfcProtocol>(protocol),
+        .tag_type = static_cast<TagType>(tag_type),
+    };
+
+    device_state = DeviceState::TagFound;
+    deactivate_event->GetReadableEvent().Clear();
+    activate_event->Signal();
+    return true;
+}
+
+bool NfcDevice::LoadAmiiboData() {
+    std::vector<u8> data{};
+
+    if (!npad_device->ReadAmiiboData(data)) {
+        return false;
+    }
+
     if (data.size() < sizeof(NFP::EncryptedNTAG215File)) {
         LOG_ERROR(Service_NFC, "Not an amiibo, size={}", data.size());
         return false;
     }
 
-    mifare_data.resize(data.size());
-    memcpy(mifare_data.data(), data.data(), data.size());
-
     memcpy(&tag_data, data.data(), sizeof(NFP::EncryptedNTAG215File));
     is_plain_amiibo = NFP::AmiiboCrypto::IsAmiiboValid(tag_data);
     is_write_protected = false;
 
-    device_state = DeviceState::TagFound;
-    deactivate_event->GetReadableEvent().Clear();
-    activate_event->Signal();
-
     // Fallback for plain amiibos
     if (is_plain_amiibo) {
         LOG_INFO(Service_NFP, "Using plain amiibo");
@@ -147,6 +166,7 @@ bool NfcDevice::LoadNfcTag(std::span<const u8> data) {
         return true;
     }
 
+    LOG_INFO(Service_NFP, "Using encrypted amiibo");
     tag_data = {};
     memcpy(&encrypted_tag_data, data.data(), sizeof(NFP::EncryptedNTAG215File));
     return true;
@@ -162,7 +182,6 @@ void NfcDevice::CloseNfcTag() {
     device_state = DeviceState::TagRemoved;
     encrypted_tag_data = {};
     tag_data = {};
-    mifare_data = {};
     activate_event->GetReadableEvent().Clear();
     deactivate_event->Signal();
 }
@@ -179,8 +198,12 @@ void NfcDevice::Initialize() {
     device_state = npad_device->HasNfc() ? DeviceState::Initialized : DeviceState::Unavailable;
     encrypted_tag_data = {};
     tag_data = {};
-    mifare_data = {};
-    is_initalized = true;
+
+    if (device_state != DeviceState::Initialized) {
+        return;
+    }
+
+    is_initalized = npad_device->AddNfcHandle();
 }
 
 void NfcDevice::Finalize() {
@@ -190,6 +213,11 @@ void NfcDevice::Finalize() {
     if (device_state == DeviceState::SearchingForTag || device_state == DeviceState::TagRemoved) {
         StopDetection();
     }
+
+    if (device_state != DeviceState::Unavailable) {
+        npad_device->RemoveNfcHandle();
+    }
+
     device_state = DeviceState::Unavailable;
     is_initalized = false;
 }
@@ -200,10 +228,8 @@ Result NfcDevice::StartDetection(NfcProtocol allowed_protocol) {
         return ResultWrongDeviceState;
     }
 
-    if (npad_device->SetPollingMode(Core::HID::EmulatedDeviceIndex::RightIndex,
-                                    Common::Input::PollingMode::NFC) !=
-        Common::Input::DriverResult::Success) {
-        LOG_ERROR(Service_NFC, "Nfc not supported");
+    if (!npad_device->StartNfcPolling()) {
+        LOG_ERROR(Service_NFC, "Nfc polling not supported");
         return ResultNfcDisabled;
     }
 
@@ -213,9 +239,6 @@ Result NfcDevice::StartDetection(NfcProtocol allowed_protocol) {
 }
 
 Result NfcDevice::StopDetection() {
-    npad_device->SetPollingMode(Core::HID::EmulatedDeviceIndex::RightIndex,
-                                Common::Input::PollingMode::Active);
-
     if (device_state == DeviceState::Initialized) {
         return ResultSuccess;
     }
@@ -225,6 +248,7 @@ Result NfcDevice::StopDetection() {
     }
 
     if (device_state == DeviceState::SearchingForTag || device_state == DeviceState::TagRemoved) {
+        npad_device->StopNfcPolling();
         device_state = DeviceState::Initialized;
         return ResultSuccess;
     }
@@ -233,7 +257,7 @@ Result NfcDevice::StopDetection() {
     return ResultWrongDeviceState;
 }
 
-Result NfcDevice::GetTagInfo(NFP::TagInfo& tag_info, bool is_mifare) const {
+Result NfcDevice::GetTagInfo(NFP::TagInfo& tag_info) const {
     if (device_state != DeviceState::TagFound && device_state != DeviceState::TagMounted) {
         LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
         if (device_state == DeviceState::TagRemoved) {
@@ -242,41 +266,15 @@ Result NfcDevice::GetTagInfo(NFP::TagInfo& tag_info, bool is_mifare) const {
         return ResultWrongDeviceState;
     }
 
-    UniqueSerialNumber uuid{};
-    u8 uuid_length{};
-    NfcProtocol protocol{NfcProtocol::TypeA};
-    TagType tag_type{TagType::Type2};
+    tag_info = real_tag_info;
 
-    if (is_mifare) {
-        tag_type = TagType::Mifare;
-        uuid_length = sizeof(NFP::NtagTagUuid);
-        memcpy(uuid.data(), mifare_data.data(), uuid_length);
-    } else {
-        tag_type = TagType::Type2;
-        uuid_length = sizeof(NFP::NtagTagUuid);
-        NFP::NtagTagUuid nUuid{
-            .part1 = encrypted_tag_data.uuid.part1,
-            .part2 = encrypted_tag_data.uuid.part2,
-            .nintendo_id = encrypted_tag_data.uuid.nintendo_id,
-        };
-        memcpy(uuid.data(), &nUuid, uuid_length);
-
-        // Generate random UUID to bypass amiibo load limits
-        if (Settings::values.random_amiibo_id) {
-            Common::TinyMT rng{};
-            rng.Initialize(static_cast<u32>(GetCurrentPosixTime()));
-            rng.GenerateRandomBytes(uuid.data(), uuid_length);
-        }
+    // Generate random UUID to bypass amiibo load limits
+    if (real_tag_info.tag_type == TagType::Type2 && Settings::values.random_amiibo_id) {
+        Common::TinyMT rng{};
+        rng.Initialize(static_cast<u32>(GetCurrentPosixTime()));
+        rng.GenerateRandomBytes(tag_info.uuid.data(), tag_info.uuid_length);
     }
 
-    // Protocol and tag type may change here
-    tag_info = {
-        .uuid = uuid,
-        .uuid_length = uuid_length,
-        .protocol = protocol,
-        .tag_type = tag_type,
-    };
-
     return ResultSuccess;
 }
 
@@ -293,7 +291,7 @@ Result NfcDevice::ReadMifare(std::span<const MifareReadBlockParameter> parameter
     Result result = ResultSuccess;
 
     TagInfo tag_info{};
-    result = GetTagInfo(tag_info, true);
+    result = GetTagInfo(tag_info);
 
     if (result.IsError()) {
         return result;
@@ -307,6 +305,8 @@ Result NfcDevice::ReadMifare(std::span<const MifareReadBlockParameter> parameter
         return ResultInvalidArgument;
     }
 
+    Common::Input::MifareRequest request{};
+    Common::Input::MifareRequest out_data{};
     const auto unknown = parameters[0].sector_key.unknown;
     for (std::size_t i = 0; i < parameters.size(); i++) {
         if (unknown != parameters[i].sector_key.unknown) {
@@ -315,25 +315,29 @@ Result NfcDevice::ReadMifare(std::span<const MifareReadBlockParameter> parameter
     }
 
     for (std::size_t i = 0; i < parameters.size(); i++) {
-        result = ReadMifare(parameters[i], read_block_data[i]);
-        if (result.IsError()) {
-            break;
+        if (parameters[i].sector_key.command == MifareCmd::None) {
+            continue;
         }
+        request.data[i].command = static_cast<u8>(parameters[i].sector_key.command);
+        request.data[i].sector = parameters[i].sector_number;
+        memcpy(request.data[i].key.data(), parameters[i].sector_key.sector_key.data(),
+               sizeof(KeyData));
     }
 
-    return result;
-}
-
-Result NfcDevice::ReadMifare(const MifareReadBlockParameter& parameter,
-                             MifareReadBlockData& read_block_data) const {
-    const std::size_t sector_index = parameter.sector_number * sizeof(DataBlock);
-    read_block_data.sector_number = parameter.sector_number;
-    if (mifare_data.size() < sector_index + sizeof(DataBlock)) {
+    if (!npad_device->ReadMifareData(request, out_data)) {
         return ResultMifareError288;
     }
 
-    // TODO: Use parameter.sector_key to read encrypted data
-    memcpy(read_block_data.data.data(), mifare_data.data() + sector_index, sizeof(DataBlock));
+    for (std::size_t i = 0; i < read_block_data.size(); i++) {
+        if (static_cast<MifareCmd>(out_data.data[i].command) == MifareCmd::None) {
+            continue;
+        }
+
+        read_block_data[i] = {
+            .data = out_data.data[i].data,
+            .sector_number = out_data.data[i].sector,
+        };
+    }
 
     return ResultSuccess;
 }
@@ -342,7 +346,7 @@ Result NfcDevice::WriteMifare(std::span<const MifareWriteBlockParameter> paramet
     Result result = ResultSuccess;
 
     TagInfo tag_info{};
-    result = GetTagInfo(tag_info, true);
+    result = GetTagInfo(tag_info);
 
     if (result.IsError()) {
         return result;
@@ -363,42 +367,25 @@ Result NfcDevice::WriteMifare(std::span<const MifareWriteBlockParameter> paramet
         }
     }
 
+    Common::Input::MifareRequest request{};
     for (std::size_t i = 0; i < parameters.size(); i++) {
-        result = WriteMifare(parameters[i]);
-        if (result.IsError()) {
-            break;
+        if (parameters[i].sector_key.command == MifareCmd::None) {
+            continue;
         }
+        request.data[i].command = static_cast<u8>(parameters[i].sector_key.command);
+        request.data[i].sector = parameters[i].sector_number;
+        memcpy(request.data[i].key.data(), parameters[i].sector_key.sector_key.data(),
+               sizeof(KeyData));
+        memcpy(request.data[i].data.data(), parameters[i].data.data(), sizeof(KeyData));
     }
 
-    if (!npad_device->WriteNfc(mifare_data)) {
-        LOG_ERROR(Service_NFP, "Error writing to file");
+    if (!npad_device->WriteMifareData(request)) {
         return ResultMifareError288;
     }
 
     return result;
 }
 
-Result NfcDevice::WriteMifare(const MifareWriteBlockParameter& parameter) {
-    const std::size_t sector_index = parameter.sector_number * sizeof(DataBlock);
-
-    if (device_state != DeviceState::TagFound && device_state != DeviceState::TagMounted) {
-        LOG_ERROR(Service_NFC, "Wrong device state {}", device_state);
-        if (device_state == DeviceState::TagRemoved) {
-            return ResultTagRemoved;
-        }
-        return ResultWrongDeviceState;
-    }
-
-    if (mifare_data.size() < sector_index + sizeof(DataBlock)) {
-        return ResultMifareError288;
-    }
-
-    // TODO: Use parameter.sector_key to encrypt the data
-    memcpy(mifare_data.data() + sector_index, parameter.data.data(), sizeof(DataBlock));
-
-    return ResultSuccess;
-}
-
 Result NfcDevice::SendCommandByPassThrough(const Time::Clock::TimeSpanType& timeout,
                                            std::span<const u8> command_data,
                                            std::span<u8> out_data) {
@@ -412,6 +399,11 @@ Result NfcDevice::Mount(NFP::ModelType model_type, NFP::MountTarget mount_target
         return ResultWrongDeviceState;
     }
 
+    if (!LoadAmiiboData()) {
+        LOG_ERROR(Service_NFP, "Not an amiibo");
+        return ResultInvalidTagType;
+    }
+
     if (!NFP::AmiiboCrypto::IsAmiiboValid(encrypted_tag_data)) {
         LOG_ERROR(Service_NFP, "Not an amiibo");
         return ResultInvalidTagType;
@@ -562,7 +554,7 @@ Result NfcDevice::Restore() {
 
     NFC::TagInfo tag_info{};
     std::array<u8, sizeof(NFP::EncryptedNTAG215File)> data{};
-    Result result = GetTagInfo(tag_info, false);
+    Result result = GetTagInfo(tag_info);
 
     if (result.IsError()) {
         return result;
@@ -635,7 +627,7 @@ Result NfcDevice::GetCommonInfo(NFP::CommonInfo& common_info) const {
     // TODO: Validate this data
     common_info = {
         .last_write_date = settings.write_date.GetWriteDate(),
-        .write_counter = tag_data.write_counter,
+        .write_counter = tag_data.application_write_counter,
         .version = tag_data.amiibo_version,
         .application_area_size = sizeof(NFP::ApplicationArea),
     };

src/core/hle/service/nfc/common/device.h

@@ -42,15 +42,12 @@ public:
     Result StartDetection(NfcProtocol allowed_protocol);
     Result StopDetection();
 
-    Result GetTagInfo(TagInfo& tag_info, bool is_mifare) const;
+    Result GetTagInfo(TagInfo& tag_info) const;
 
     Result ReadMifare(std::span<const MifareReadBlockParameter> parameters,
                       std::span<MifareReadBlockData> read_block_data) const;
-    Result ReadMifare(const MifareReadBlockParameter& parameter,
-                      MifareReadBlockData& read_block_data) const;
 
     Result WriteMifare(std::span<const MifareWriteBlockParameter> parameters);
-    Result WriteMifare(const MifareWriteBlockParameter& parameter);
 
     Result SendCommandByPassThrough(const Time::Clock::TimeSpanType& timeout,
                                     std::span<const u8> command_data, std::span<u8> out_data);
@@ -105,7 +102,8 @@ public:
 
 private:
     void NpadUpdate(Core::HID::ControllerTriggerType type);
-    bool LoadNfcTag(std::span<const u8> data);
+    bool LoadNfcTag(u8 protocol, u8 tag_type, u8 uuid_length, UniqueSerialNumber uuid);
+    bool LoadAmiiboData();
     void CloseNfcTag();
 
     NFP::AmiiboName GetAmiiboName(const NFP::AmiiboSettings& settings) const;
@@ -140,8 +138,8 @@ private:
     bool is_write_protected{};
     NFP::MountTarget mount_target{NFP::MountTarget::None};
 
+    TagInfo real_tag_info{};
     NFP::NTAG215File tag_data{};
-    std::vector<u8> mifare_data{};
     NFP::EncryptedNTAG215File encrypted_tag_data{};
 };
 

src/core/hle/service/nfc/common/device_manager.cpp

@@ -29,6 +29,9 @@ DeviceManager::DeviceManager(Core::System& system_, KernelHelpers::ServiceContex
 }
 
 DeviceManager ::~DeviceManager() {
+    if (is_initialized) {
+        Finalize();
+    }
     service_context.CloseEvent(availability_change_event);
 }
 
@@ -125,14 +128,14 @@ Result DeviceManager::StopDetection(u64 device_handle) {
     return result;
 }
 
-Result DeviceManager::GetTagInfo(u64 device_handle, TagInfo& tag_info, bool is_mifare) const {
+Result DeviceManager::GetTagInfo(u64 device_handle, TagInfo& tag_info) const {
     std::scoped_lock lock{mutex};
 
     std::shared_ptr<NfcDevice> device = nullptr;
     auto result = GetDeviceHandle(device_handle, device);
 
     if (result.IsSuccess()) {
-        result = device->GetTagInfo(tag_info, is_mifare);
+        result = device->GetTagInfo(tag_info);
         result = VerifyDeviceResult(device, result);
     }
 
@@ -546,7 +549,7 @@ Result DeviceManager::ReadBackupData(u64 device_handle, std::span<u8> data) cons
     NFC::TagInfo tag_info{};
 
     if (result.IsSuccess()) {
-        result = device->GetTagInfo(tag_info, false);
+        result = device->GetTagInfo(tag_info);
     }
 
     if (result.IsSuccess()) {
@@ -565,7 +568,7 @@ Result DeviceManager::WriteBackupData(u64 device_handle, std::span<const u8> dat
     NFC::TagInfo tag_info{};
 
     if (result.IsSuccess()) {
-        result = device->GetTagInfo(tag_info, false);
+        result = device->GetTagInfo(tag_info);
     }
 
     if (result.IsSuccess()) {

src/core/hle/service/nfc/common/device_manager.h

@@ -33,7 +33,7 @@ public:
     Kernel::KReadableEvent& AttachAvailabilityChangeEvent() const;
     Result StartDetection(u64 device_handle, NfcProtocol tag_protocol);
     Result StopDetection(u64 device_handle);
-    Result GetTagInfo(u64 device_handle, NFP::TagInfo& tag_info, bool is_mifare) const;
+    Result GetTagInfo(u64 device_handle, NFP::TagInfo& tag_info) const;
     Kernel::KReadableEvent& AttachActivateEvent(u64 device_handle) const;
     Kernel::KReadableEvent& AttachDeactivateEvent(u64 device_handle) const;
     Result ReadMifare(u64 device_handle,

src/core/hle/service/nfc/mifare_types.h

@@ -11,9 +11,10 @@
 namespace Service::NFC {
 
 enum class MifareCmd : u8 {
+    None = 0x00,
+    Read = 0x30,
     AuthA = 0x60,
     AuthB = 0x61,
-    Read = 0x30,
     Write = 0xA0,
     Transfer = 0xB0,
     Decrement = 0xC0,
@@ -35,17 +36,17 @@ static_assert(sizeof(SectorKey) == 0x10, "SectorKey is an invalid size");
 
 // This is nn::nfc::MifareReadBlockParameter
 struct MifareReadBlockParameter {
-    u8 sector_number;
+    u8 sector_number{};
     INSERT_PADDING_BYTES(0x7);
-    SectorKey sector_key;
+    SectorKey sector_key{};
 };
 static_assert(sizeof(MifareReadBlockParameter) == 0x18,
               "MifareReadBlockParameter is an invalid size");
 
 // This is nn::nfc::MifareReadBlockData
 struct MifareReadBlockData {
-    DataBlock data;
-    u8 sector_number;
+    DataBlock data{};
+    u8 sector_number{};
     INSERT_PADDING_BYTES(0x7);
 };
 static_assert(sizeof(MifareReadBlockData) == 0x18, "MifareReadBlockData is an invalid size");

src/core/hle/service/nfc/nfc_interface.cpp

@@ -174,8 +174,7 @@ void NfcInterface::GetTagInfo(HLERequestContext& ctx) {
     LOG_INFO(Service_NFC, "called, device_handle={}", device_handle);
 
     TagInfo tag_info{};
-    auto result =
-        GetManager()->GetTagInfo(device_handle, tag_info, backend_type == BackendType::Mifare);
+    auto result = GetManager()->GetTagInfo(device_handle, tag_info);
     result = TranslateResultToServiceError(result);
 
     if (result.IsSuccess()) {
@@ -216,8 +215,8 @@ void NfcInterface::ReadMifare(HLERequestContext& ctx) {
     memcpy(read_commands.data(), buffer.data(),
            number_of_commands * sizeof(MifareReadBlockParameter));
 
-    LOG_INFO(Service_NFC, "(STUBBED) called, device_handle={}, read_commands_size={}",
-             device_handle, number_of_commands);
+    LOG_INFO(Service_NFC, "called, device_handle={}, read_commands_size={}", device_handle,
+             number_of_commands);
 
     std::vector<MifareReadBlockData> out_data(number_of_commands);
     auto result = GetManager()->ReadMifare(device_handle, read_commands, out_data);

src/core/hle/service/nvdrv/devices/nvdevice.h

@@ -34,7 +34,7 @@ public:
      * @returns The result code of the ioctl.
      */
     virtual NvResult Ioctl1(DeviceFD fd, Ioctl command, std::span<const u8> input,
-                            std::vector<u8>& output) = 0;
+                            std::span<u8> output) = 0;
 
     /**
      * Handles an ioctl2 request.
@@ -45,7 +45,7 @@ public:
      * @returns The result code of the ioctl.
      */
     virtual NvResult Ioctl2(DeviceFD fd, Ioctl command, std::span<const u8> input,
-                            std::span<const u8> inline_input, std::vector<u8>& output) = 0;
+                            std::span<const u8> inline_input, std::span<u8> output) = 0;
 
     /**
      * Handles an ioctl3 request.
@@ -56,7 +56,7 @@ public:
      * @returns The result code of the ioctl.
      */
     virtual NvResult Ioctl3(DeviceFD fd, Ioctl command, std::span<const u8> input,
-                            std::vector<u8>& output, std::vector<u8>& inline_output) = 0;
+                            std::span<u8> output, std::span<u8> inline_output) = 0;
 
     /**
      * Called once a device is opened

src/core/hle/service/nvdrv/devices/nvdisp_disp0.cpp

@@ -18,19 +18,19 @@ nvdisp_disp0::nvdisp_disp0(Core::System& system_, NvCore::Container& core)
 nvdisp_disp0::~nvdisp_disp0() = default;
 
 NvResult nvdisp_disp0::Ioctl1(DeviceFD fd, Ioctl command, std::span<const u8> input,
-                              std::vector<u8>& output) {
+                              std::span<u8> output) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvdisp_disp0::Ioctl2(DeviceFD fd, Ioctl command, std::span<const u8> input,
-                              std::span<const u8> inline_input, std::vector<u8>& output) {
+                              std::span<const u8> inline_input, std::span<u8> output) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvdisp_disp0::Ioctl3(DeviceFD fd, Ioctl command, std::span<const u8> input,
-                              std::vector<u8>& output, std::vector<u8>& inline_output) {
+                              std::span<u8> output, std::span<u8> inline_output) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
@@ -51,8 +51,8 @@ void nvdisp_disp0::flip(u32 buffer_handle, u32 offset, android::PixelFormat form
                                                stride, format, transform, crop_rect};
 
     system.GPU().RequestSwapBuffers(&framebuffer, fences, num_fences);
-    system.GetPerfStats().EndSystemFrame();
     system.SpeedLimiter().DoSpeedLimiting(system.CoreTiming().GetGlobalTimeUs());
+    system.GetPerfStats().EndSystemFrame();
     system.GetPerfStats().BeginSystemFrame();
 }
 

src/core/hle/service/nvdrv/devices/nvdisp_disp0.h

@@ -26,11 +26,11 @@ public:
     ~nvdisp_disp0() override;
 
     NvResult Ioctl1(DeviceFD fd, Ioctl command, std::span<const u8> input,
-                    std::vector<u8>& output) override;
+                    std::span<u8> output) override;
     NvResult Ioctl2(DeviceFD fd, Ioctl command, std::span<const u8> input,
-                    std::span<const u8> inline_input, std::vector<u8>& output) override;
-    NvResult Ioctl3(DeviceFD fd, Ioctl command, std::span<const u8> input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::span<const u8> inline_input, std::span<u8> output) override;
+    NvResult Ioctl3(DeviceFD fd, Ioctl command, std::span<const u8> input, std::span<u8> output,
+                    std::span<u8> inline_output) override;
 
     void OnOpen(DeviceFD fd) override;
     void OnClose(DeviceFD fd) override;