Android #80

emit_spirv: fix incorrect use of descriptor index in image atomics

CMakeLists.txt

@@ -333,6 +333,7 @@ find_package(LLVM 17 MODULE COMPONENTS Demangle)
 find_package(lz4 REQUIRED)
 find_package(nlohmann_json 3.8 REQUIRED)
 find_package(Opus 1.3 MODULE)
+find_package(RenderDoc MODULE)
 find_package(VulkanMemoryAllocator CONFIG)
 find_package(ZLIB 1.2 REQUIRED)
 find_package(zstd 1.5 REQUIRED)

CMakeModules/FindRenderDoc.cmake

@@ -0,0 +1,19 @@
+# SPDX-FileCopyrightText: 2023 Alexandre Bouvier <contact@amb.tf>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+find_path(RenderDoc_INCLUDE_DIR renderdoc_app.h)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(RenderDoc
+    REQUIRED_VARS RenderDoc_INCLUDE_DIR
+)
+
+if (RenderDoc_FOUND AND NOT TARGET RenderDoc::API)
+    add_library(RenderDoc::API INTERFACE IMPORTED)
+    set_target_properties(RenderDoc::API PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES "${RenderDoc_INCLUDE_DIR}"
+    )
+endif()
+
+mark_as_advanced(RenderDoc_INCLUDE_DIR)

README.md

@@ -1,3 +1,11 @@
+| Pull Request | Commit | Title | Author | Merged? |
+|----|----|----|----|----|
+
+
+End of merge log. You can find the original README.md below the break.
+
+-----
+
 <!--
 SPDX-FileCopyrightText: 2018 yuzu Emulator Project
 SPDX-License-Identifier: GPL-2.0-or-later

externals/CMakeLists.txt

@@ -174,8 +174,11 @@ target_include_directories(stb PUBLIC ./stb)
 add_library(bc_decoder bc_decoder/bc_decoder.cpp)
 target_include_directories(bc_decoder PUBLIC ./bc_decoder)
 
-add_library(renderdoc INTERFACE)
-target_include_directories(renderdoc SYSTEM INTERFACE ./renderdoc)
+if (NOT TARGET RenderDoc::API)
+    add_library(renderdoc INTERFACE)
+    target_include_directories(renderdoc SYSTEM INTERFACE ./renderdoc)
+    add_library(RenderDoc::API ALIAS renderdoc)
+endif()
 
 if (ANDROID)
    if (ARCHITECTURE_arm64)

src/android/.gitignore

@@ -63,3 +63,6 @@ fastlane/Preview.html
 fastlane/screenshots
 fastlane/test_output
 fastlane/readme.md
+
+# Autogenerated library for vulkan validation layers
+libVkLayer_khronos_validation.so

src/android/app/build.gradle.kts

@@ -214,7 +214,7 @@ dependencies {
     implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1")
     implementation("io.coil-kt:coil:2.2.2")
     implementation("androidx.core:core-splashscreen:1.0.1")
-    implementation("androidx.window:window:1.1.0")
+    implementation("androidx.window:window:1.2.0-beta03")
     implementation("org.ini4j:ini4j:0.5.4")
     implementation("androidx.constraintlayout:constraintlayout:2.1.4")
     implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.1.0")

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

@@ -3,6 +3,7 @@
 
 package org.yuzu.yuzu_emu.activities
 
+import android.annotation.SuppressLint
 import android.app.Activity
 import android.app.PendingIntent
 import android.app.PictureInPictureParams
@@ -397,6 +398,7 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
         }
     }
 
+    @SuppressLint("UnspecifiedRegisterReceiverFlag")
     override fun onPictureInPictureModeChanged(
         isInPictureInPictureMode: Boolean,
         newConfig: Configuration
@@ -409,8 +411,12 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
                 addAction(actionMute)
                 addAction(actionUnmute)
             }.also {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                    registerReceiver(pictureInPictureReceiver, it, RECEIVER_EXPORTED)
+                } else {
                     registerReceiver(pictureInPictureReceiver, it)
                 }
+            }
         } else {
             try {
                 unregisterReceiver(pictureInPictureReceiver)

src/android/app/src/main/java/org/yuzu/yuzu_emu/adapters/HomeSettingAdapter.kt

@@ -49,6 +49,7 @@ class HomeSettingAdapter(
             holder.option.onClick.invoke()
         } else {
             MessageDialogFragment.newInstance(
+                activity,
                 titleId = holder.option.disabledTitleId,
                 descriptionId = holder.option.disabledMessageId
             ).show(activity.supportFragmentManager, MessageDialogFragment.TAG)

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

@@ -26,6 +26,7 @@ import org.yuzu.yuzu_emu.BuildConfig
 import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.databinding.FragmentAboutBinding
 import org.yuzu.yuzu_emu.model.HomeViewModel
+import org.yuzu.yuzu_emu.ui.main.MainActivity
 
 class AboutFragment : Fragment() {
     private var _binding: FragmentAboutBinding? = null
@@ -92,6 +93,12 @@ class AboutFragment : Fragment() {
             }
         }
 
+        val mainActivity = requireActivity() as MainActivity
+        binding.buttonExport.setOnClickListener { mainActivity.exportUserData.launch("export.zip") }
+        binding.buttonImport.setOnClickListener {
+            mainActivity.importUserData.launch(arrayOf("application/zip"))
+        }
+
         binding.buttonDiscord.setOnClickListener { openLink(getString(R.string.support_link)) }
         binding.buttonWebsite.setOnClickListener { openLink(getString(R.string.website_link)) }
         binding.buttonGithub.setOnClickListener { openLink(getString(R.string.github_link)) }

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

@@ -15,7 +15,6 @@ import android.net.Uri
 import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
-import android.util.Rational
 import android.view.*
 import android.widget.TextView
 import androidx.activity.OnBackPressedCallback
@@ -287,13 +286,14 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
 
     override fun onConfigurationChanged(newConfig: Configuration) {
         super.onConfigurationChanged(newConfig)
+        updateScreenLayout()
         if (emulationActivity?.isInPictureInPictureMode == true) {
             if (binding.drawerLayout.isOpen) {
                 binding.drawerLayout.close()
             }
             if (EmulationMenuSettings.showOverlay) {
                 binding.surfaceInputOverlay.post {
-                    binding.surfaceInputOverlay.visibility = View.VISIBLE
+                    binding.surfaceInputOverlay.visibility = View.INVISIBLE
                 }
             }
         } else {
@@ -328,7 +328,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
     }
 
     override fun onPause() {
-        if (emulationState.isRunning) {
+        if (emulationState.isRunning && emulationActivity?.isInPictureInPictureMode != true) {
             emulationState.pause()
         }
         super.onPause()
@@ -394,16 +394,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
     }
 
     private fun updateScreenLayout() {
-        binding.surfaceEmulation.setAspectRatio(
-            when (IntSetting.RENDERER_ASPECT_RATIO.int) {
-                0 -> Rational(16, 9)
-                1 -> Rational(4, 3)
-                2 -> Rational(21, 9)
-                3 -> Rational(16, 10)
-                4 -> null // Stretch
-                else -> Rational(16, 9)
-            }
-        )
+        binding.surfaceEmulation.setAspectRatio(null)
         emulationActivity?.buildPictureInPictureParams()
         updateOrientation()
     }
@@ -693,7 +684,6 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
     private class EmulationState(private val gamePath: String) {
         private var state: State
         private var surface: Surface? = null
-        private var runWhenSurfaceIsValid = false
 
         init {
             // Starting state is stopped.
@@ -751,8 +741,6 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
             // If the surface is set, run now. Otherwise, wait for it to get set.
             if (surface != null) {
                 runWithValidSurface()
-            } else {
-                runWhenSurfaceIsValid = true
             }
         }
 
@@ -760,7 +748,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
         @Synchronized
         fun newSurface(surface: Surface?) {
             this.surface = surface
-            if (runWhenSurfaceIsValid) {
+            if (this.surface != null) {
                 runWithValidSurface()
             }
         }
@@ -788,10 +776,9 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
         }
 
         private fun runWithValidSurface() {
-            runWhenSurfaceIsValid = false
+            NativeLibrary.surfaceChanged(surface)
             when (state) {
                 State.STOPPED -> {
-                    NativeLibrary.surfaceChanged(surface)
                     val emulationThread = Thread({
                         Log.debug("[EmulationFragment] Starting emulation thread.")
                         NativeLibrary.run(gamePath)
@@ -801,7 +788,6 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
 
                 State.PAUSED -> {
                     Log.debug("[EmulationFragment] Resuming emulation.")
-                    NativeLibrary.surfaceChanged(surface)
                     NativeLibrary.unpauseEmulation()
                 }
 

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

@@ -187,6 +187,7 @@ class ImportExportSavesFragment : DialogFragment() {
                 withContext(Dispatchers.Main) {
                     if (!validZip) {
                         MessageDialogFragment.newInstance(
+                            requireActivity(),
                             titleId = R.string.save_file_invalid_zip_structure,
                             descriptionId = R.string.save_file_invalid_zip_structure_description
                         ).show(activity.supportFragmentManager, MessageDialogFragment.TAG)

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

@@ -4,6 +4,7 @@
 package org.yuzu.yuzu_emu.fragments
 
 import android.app.Dialog
+import android.content.DialogInterface
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -18,6 +19,7 @@ import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.launch
+import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.databinding.DialogProgressBarBinding
 import org.yuzu.yuzu_emu.model.TaskViewModel
 
@@ -28,19 +30,27 @@ class IndeterminateProgressDialogFragment : DialogFragment() {
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         val titleId = requireArguments().getInt(TITLE)
+        val cancellable = requireArguments().getBoolean(CANCELLABLE)
 
         binding = DialogProgressBarBinding.inflate(layoutInflater)
         binding.progressBar.isIndeterminate = true
         val dialog = MaterialAlertDialogBuilder(requireContext())
             .setTitle(titleId)
             .setView(binding.root)
-            .create()
-        dialog.setCanceledOnTouchOutside(false)
+
+        if (cancellable) {
+            dialog.setNegativeButton(android.R.string.cancel) { _: DialogInterface, _: Int ->
+                taskViewModel.setCancelled(true)
+            }
+        }
+
+        val alertDialog = dialog.create()
+        alertDialog.setCanceledOnTouchOutside(false)
 
         if (!taskViewModel.isRunning.value) {
             taskViewModel.runTask()
         }
-        return dialog
+        return alertDialog
     }
 
     override fun onCreateView(
@@ -53,14 +63,18 @@ class IndeterminateProgressDialogFragment : DialogFragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        viewLifecycleOwner.lifecycleScope.launch {
+        viewLifecycleOwner.lifecycleScope.apply {
+            launch {
                 repeatOnLifecycle(Lifecycle.State.CREATED) {
                     taskViewModel.isComplete.collect {
                         if (it) {
                             dismiss()
                             when (val result = taskViewModel.result.value) {
-                            is String -> Toast.makeText(requireContext(), result, Toast.LENGTH_LONG)
-                                .show()
+                                is String -> Toast.makeText(
+                                    requireContext(),
+                                    result,
+                                    Toast.LENGTH_LONG
+                                ).show()
 
                                 is MessageDialogFragment -> result.show(
                                     requireActivity().supportFragmentManager,
@@ -72,22 +86,35 @@ class IndeterminateProgressDialogFragment : DialogFragment() {
                     }
                 }
             }
+            launch {
+                repeatOnLifecycle(Lifecycle.State.CREATED) {
+                    taskViewModel.cancelled.collect {
+                        if (it) {
+                            dialog?.setTitle(R.string.cancelling)
+                        }
+                    }
+                }
+            }
+        }
     }
 
     companion object {
         const val TAG = "IndeterminateProgressDialogFragment"
 
         private const val TITLE = "Title"
+        private const val CANCELLABLE = "Cancellable"
 
         fun newInstance(
             activity: AppCompatActivity,
             titleId: Int,
+            cancellable: Boolean = false,
             task: () -> Any
         ): IndeterminateProgressDialogFragment {
             val dialog = IndeterminateProgressDialogFragment()
             val args = Bundle()
             ViewModelProvider(activity)[TaskViewModel::class.java].task = task
             args.putInt(TITLE, titleId)
+            args.putBoolean(CANCELLABLE, cancellable)
             dialog.arguments = args
             return dialog
         }

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

@@ -4,14 +4,21 @@
 package org.yuzu.yuzu_emu.fragments
 
 import android.app.Dialog
+import android.content.DialogInterface
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
 import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.FragmentActivity
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.ViewModelProvider
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import org.yuzu.yuzu_emu.R
+import org.yuzu.yuzu_emu.model.MessageDialogViewModel
 
 class MessageDialogFragment : DialogFragment() {
+    private val messageDialogViewModel: MessageDialogViewModel by activityViewModels()
+
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         val titleId = requireArguments().getInt(TITLE_ID)
         val titleString = requireArguments().getString(TITLE_STRING)!!
@@ -37,6 +44,12 @@ class MessageDialogFragment : DialogFragment() {
         return dialog.show()
     }
 
+    override fun onDismiss(dialog: DialogInterface) {
+        super.onDismiss(dialog)
+        messageDialogViewModel.dismissAction.invoke()
+        messageDialogViewModel.clear()
+    }
+
     private fun openLink(link: String) {
         val intent = Intent(Intent.ACTION_VIEW, Uri.parse(link))
         startActivity(intent)
@@ -52,11 +65,13 @@ class MessageDialogFragment : DialogFragment() {
         private const val HELP_LINK = "Link"
 
         fun newInstance(
+            activity: FragmentActivity,
             titleId: Int = 0,
             titleString: String = "",
             descriptionId: Int = 0,
             descriptionString: String = "",
-            helpLinkId: Int = 0
+            helpLinkId: Int = 0,
+            dismissAction: () -> Unit = {}
         ): MessageDialogFragment {
             val dialog = MessageDialogFragment()
             val bundle = Bundle()
@@ -67,6 +82,8 @@ class MessageDialogFragment : DialogFragment() {
                 putString(DESCRIPTION_STRING, descriptionString)
                 putInt(HELP_LINK, helpLinkId)
             }
+            ViewModelProvider(activity)[MessageDialogViewModel::class.java].dismissAction =
+                dismissAction
             dialog.arguments = bundle
             return dialog
         }

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

@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.yuzu.yuzu_emu.model
+
+import androidx.lifecycle.ViewModel
+
+class MessageDialogViewModel : ViewModel() {
+    var dismissAction: () -> Unit = {}
+
+    fun clear() {
+        dismissAction = {}
+    }
+}

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

@@ -20,12 +20,20 @@ class TaskViewModel : ViewModel() {
     val isRunning: StateFlow<Boolean> get() = _isRunning
     private val _isRunning = MutableStateFlow(false)
 
+    val cancelled: StateFlow<Boolean> get() = _cancelled
+    private val _cancelled = MutableStateFlow(false)
+
     lateinit var task: () -> Any
 
     fun clear() {
         _result.value = Any()
         _isComplete.value = false
         _isRunning.value = false
+        _cancelled.value = false
+    }
+
+    fun setCancelled(value: Boolean) {
+        _cancelled.value = value
     }
 
     fun runTask() {

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

@@ -46,13 +46,22 @@ import org.yuzu.yuzu_emu.fragments.IndeterminateProgressDialogFragment
 import org.yuzu.yuzu_emu.fragments.MessageDialogFragment
 import org.yuzu.yuzu_emu.model.GamesViewModel
 import org.yuzu.yuzu_emu.model.HomeViewModel
+import org.yuzu.yuzu_emu.model.TaskViewModel
 import org.yuzu.yuzu_emu.utils.*
+import java.io.BufferedInputStream
+import java.io.BufferedOutputStream
+import java.io.FileInputStream
+import java.io.FileOutputStream
+import java.util.zip.ZipEntry
+import java.util.zip.ZipInputStream
+import java.util.zip.ZipOutputStream
 
 class MainActivity : AppCompatActivity(), ThemeProvider {
     private lateinit var binding: ActivityMainBinding
 
     private val homeViewModel: HomeViewModel by viewModels()
     private val gamesViewModel: GamesViewModel by viewModels()
+    private val taskViewModel: TaskViewModel by viewModels()
 
     override var themeId: Int = 0
 
@@ -307,6 +316,7 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
     fun processKey(result: Uri): Boolean {
         if (FileUtil.getExtension(result) != "keys") {
             MessageDialogFragment.newInstance(
+                this,
                 titleId = R.string.reading_keys_failure,
                 descriptionId = R.string.install_prod_keys_failure_extension_description
             ).show(supportFragmentManager, MessageDialogFragment.TAG)
@@ -336,6 +346,7 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
                 return true
             } else {
                 MessageDialogFragment.newInstance(
+                    this,
                     titleId = R.string.invalid_keys_error,
                     descriptionId = R.string.install_keys_failure_description,
                     helpLinkId = R.string.dumping_keys_quickstart_link
@@ -376,6 +387,7 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
                     val filteredNumOfFiles = cacheFirmwareDir.list(filterNCA)?.size ?: -2
                     messageToShow = if (unfilteredNumOfFiles != filteredNumOfFiles) {
                         MessageDialogFragment.newInstance(
+                            this,
                             titleId = R.string.firmware_installed_failure,
                             descriptionId = R.string.firmware_installed_failure_description
                         )
@@ -395,7 +407,7 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
             IndeterminateProgressDialogFragment.newInstance(
                 this,
                 R.string.firmware_installing,
-                task
+                task = task
             ).show(supportFragmentManager, IndeterminateProgressDialogFragment.TAG)
         }
 
@@ -407,6 +419,7 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
 
             if (FileUtil.getExtension(result) != "bin") {
                 MessageDialogFragment.newInstance(
+                    this,
                     titleId = R.string.reading_keys_failure,
                     descriptionId = R.string.install_amiibo_keys_failure_extension_description
                 ).show(supportFragmentManager, MessageDialogFragment.TAG)
@@ -434,6 +447,7 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
                     ).show()
                 } else {
                     MessageDialogFragment.newInstance(
+                        this,
                         titleId = R.string.invalid_keys_error,
                         descriptionId = R.string.install_keys_failure_description,
                         helpLinkId = R.string.dumping_keys_quickstart_link
@@ -583,12 +597,14 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
                         installResult.append(separator)
                     }
                     return@newInstance MessageDialogFragment.newInstance(
+                        this,
                         titleId = R.string.install_game_content_failure,
                         descriptionString = installResult.toString().trim(),
                         helpLinkId = R.string.install_game_content_help_link
                     )
                 } else {
                     return@newInstance MessageDialogFragment.newInstance(
+                        this,
                         titleId = R.string.install_game_content_success,
                         descriptionString = installResult.toString().trim()
                     )
@@ -596,4 +612,119 @@ class MainActivity : AppCompatActivity(), ThemeProvider {
             }.show(supportFragmentManager, IndeterminateProgressDialogFragment.TAG)
         }
     }
+
+    val exportUserData = registerForActivityResult(
+        ActivityResultContracts.CreateDocument("application/zip")
+    ) { result ->
+        if (result == null) {
+            return@registerForActivityResult
+        }
+
+        IndeterminateProgressDialogFragment.newInstance(
+            this,
+            R.string.exporting_user_data,
+            true
+        ) {
+            val zos = ZipOutputStream(
+                BufferedOutputStream(contentResolver.openOutputStream(result))
+            )
+            zos.use { stream ->
+                File(DirectoryInitialization.userDirectory!!).walkTopDown().forEach { file ->
+                    if (taskViewModel.cancelled.value) {
+                        return@newInstance R.string.user_data_export_cancelled
+                    }
+
+                    if (!file.isDirectory) {
+                        val newPath = file.path.substring(
+                            DirectoryInitialization.userDirectory!!.length,
+                            file.path.length
+                        )
+                        stream.putNextEntry(ZipEntry(newPath))
+
+                        val buffer = ByteArray(8096)
+                        var read: Int
+                        FileInputStream(file).use { fis ->
+                            while (fis.read(buffer).also { read = it } != -1) {
+                                stream.write(buffer, 0, read)
+                            }
+                        }
+
+                        stream.closeEntry()
+                    }
+                }
+            }
+            return@newInstance getString(R.string.user_data_export_success)
+        }.show(supportFragmentManager, IndeterminateProgressDialogFragment.TAG)
+    }
+
+    val importUserData =
+        registerForActivityResult(ActivityResultContracts.OpenDocument()) { result ->
+            if (result == null) {
+                return@registerForActivityResult
+            }
+
+            IndeterminateProgressDialogFragment.newInstance(
+                this,
+                R.string.importing_user_data
+            ) {
+                val checkStream =
+                    ZipInputStream(BufferedInputStream(contentResolver.openInputStream(result)))
+                var isYuzuBackup = false
+                checkStream.use { stream ->
+                    var ze: ZipEntry? = null
+                    while (stream.nextEntry?.also { ze = it } != null) {
+                        val itemName = ze!!.name.trim()
+                        if (itemName == "/config/config.ini" || itemName == "config/config.ini") {
+                            isYuzuBackup = true
+                            return@use
+                        }
+                    }
+                }
+                if (!isYuzuBackup) {
+                    return@newInstance getString(R.string.invalid_yuzu_backup)
+                }
+
+                File(DirectoryInitialization.userDirectory!!).deleteRecursively()
+
+                val zis =
+                    ZipInputStream(BufferedInputStream(contentResolver.openInputStream(result)))
+                val userDirectory = File(DirectoryInitialization.userDirectory!!)
+                val canonicalPath = userDirectory.canonicalPath + '/'
+                zis.use { stream ->
+                    var ze: ZipEntry? = stream.nextEntry
+                    while (ze != null) {
+                        val newFile = File(userDirectory, ze!!.name)
+                        val destinationDirectory =
+                            if (ze!!.isDirectory) newFile else newFile.parentFile
+
+                        if (!newFile.canonicalPath.startsWith(canonicalPath)) {
+                            throw SecurityException(
+                                "Zip file attempted path traversal! ${ze!!.name}"
+                            )
+                        }
+
+                        if (!destinationDirectory.isDirectory && !destinationDirectory.mkdirs()) {
+                            throw IOException("Failed to create directory $destinationDirectory")
+                        }
+
+                        if (!ze!!.isDirectory) {
+                            val buffer = ByteArray(8096)
+                            var read: Int
+                            BufferedOutputStream(FileOutputStream(newFile)).use { bos ->
+                                while (zis.read(buffer).also { read = it } != -1) {
+                                    bos.write(buffer, 0, read)
+                                }
+                            }
+                        }
+                        ze = stream.nextEntry
+                    }
+                }
+
+                // Reinitialize relevant data
+                NativeLibrary.initializeEmulation()
+                gamesViewModel.reloadGames(false)
+
+                return@newInstance getString(R.string.user_data_import_success)
+            }.show(supportFragmentManager, IndeterminateProgressDialogFragment.TAG)
+        }
 }

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

@@ -11,6 +11,12 @@
 #include "jni/emu_window/emu_window.h"
 
 void EmuWindow_Android::OnSurfaceChanged(ANativeWindow* surface) {
+    m_window_width = ANativeWindow_getWidth(surface);
+    m_window_height = ANativeWindow_getHeight(surface);
+
+    // Ensures that we emulate with the correct aspect ratio.
+    UpdateCurrentFramebufferLayout(m_window_width, m_window_height);
+
     window_info.render_surface = reinterpret_cast<void*>(surface);
 }
 
@@ -62,14 +68,8 @@ EmuWindow_Android::EmuWindow_Android(InputCommon::InputSubsystem* input_subsyste
         return;
     }
 
-    m_window_width = ANativeWindow_getWidth(surface);
-    m_window_height = ANativeWindow_getHeight(surface);
-
-    // Ensures that we emulate with the correct aspect ratio.
-    UpdateCurrentFramebufferLayout(m_window_width, m_window_height);
-
+    OnSurfaceChanged(surface);
     window_info.type = Core::Frontend::WindowSystemType::Android;
-    window_info.render_surface = reinterpret_cast<void*>(surface);
 
     m_input_subsystem->Initialize();
 }

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

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M9,16h6v-6h4l-7,-7 -7,7h4zM5,18h14v2L5,20z" />
+</vector>

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

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M19,9h-4V3H9v6H5l7,7 7,-7zM5,18v2h14v-2H5z" />
+</vector>

src/android/app/src/main/res/layout/dialog_progress_bar.xml

@@ -1,24 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
+<com.google.android.material.progressindicator.LinearProgressIndicator xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:orientation="vertical">
-
-    <com.google.android.material.progressindicator.LinearProgressIndicator
     android:id="@+id/progress_bar"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-        android:layout_margin="24dp"
+    android:padding="24dp"
     app:trackCornerRadius="4dp" />
-
-    <TextView
-        android:id="@+id/progress_text"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="24dp"
-        android:layout_marginRight="24dp"
-        android:layout_marginBottom="24dp"
-        android:gravity="end" />
-
-</LinearLayout>

src/android/app/src/main/res/layout/fragment_about.xml

@@ -176,6 +176,67 @@
 
             </LinearLayout>
 
+            <com.google.android.material.divider.MaterialDivider
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="20dp" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal">
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:paddingVertical="16dp"
+                    android:paddingHorizontal="16dp"
+                    android:orientation="vertical"
+                    android:layout_weight="1">
+
+                    <com.google.android.material.textview.MaterialTextView
+                        style="@style/TextAppearance.Material3.TitleMedium"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginHorizontal="24dp"
+                        android:textAlignment="viewStart"
+                        android:text="@string/user_data" />
+
+                    <com.google.android.material.textview.MaterialTextView
+                        style="@style/TextAppearance.Material3.BodyMedium"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginHorizontal="24dp"
+                        android:layout_marginTop="6dp"
+                        android:textAlignment="viewStart"
+                        android:text="@string/user_data_description" />
+
+                </LinearLayout>
+
+                <Button
+                    android:id="@+id/button_import"
+                    style="@style/Widget.Material3.Button.IconButton.Filled.Tonal"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:contentDescription="@string/string_import"
+                    android:tooltipText="@string/string_import"
+                    app:icon="@drawable/ic_import" />
+
+                <Button
+                    android:id="@+id/button_export"
+                    style="@style/Widget.Material3.Button.IconButton.Filled.Tonal"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginEnd="24dp"
+                    android:layout_gravity="center_vertical"
+                    android:contentDescription="@string/export"
+                    android:tooltipText="@string/export"
+                    app:icon="@drawable/ic_export" />
+
+            </LinearLayout>
+
             <com.google.android.material.divider.MaterialDivider
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"

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

@@ -128,6 +128,15 @@
     <string name="contributors_link">https://github.com/yuzu-emu/yuzu/graphs/contributors</string>
     <string name="licenses_description">Projects that make yuzu for Android possible</string>
     <string name="build">Build</string>
+    <string name="user_data">User data</string>
+    <string name="user_data_description">Import/export all app data.\n\nWhen importing user data, all existing user data will be deleted!</string>
+    <string name="exporting_user_data">Exporting user data…</string>
+    <string name="importing_user_data">Importing user data…</string>
+    <string name="import_user_data">Import user data</string>
+    <string name="invalid_yuzu_backup">Invalid yuzu backup</string>
+    <string name="user_data_export_success">User data exported successfully</string>
+    <string name="user_data_import_success">User data imported successfully</string>
+    <string name="user_data_export_cancelled">Export cancelled</string>
     <string name="support_link">https://discord.gg/u77vRWY</string>
     <string name="website_link">https://yuzu-emu.org/</string>
     <string name="github_link">https://github.com/yuzu-emu</string>
@@ -215,6 +224,9 @@
     <string name="auto">Auto</string>
     <string name="submit">Submit</string>
     <string name="string_null">Null</string>
+    <string name="string_import">Import</string>
+    <string name="export">Export</string>
+    <string name="cancelling">Cancelling</string>
 
     <!-- GPU driver installation -->
     <string name="select_gpu_driver">Select GPU driver</string>

src/core/CMakeLists.txt

@@ -596,6 +596,10 @@ add_library(core STATIC
     hle/service/mii/types/ver3_store_data.h
     hle/service/mii/mii.cpp
     hle/service/mii/mii.h
+    hle/service/mii/mii_database.cpp
+    hle/service/mii/mii_database.h
+    hle/service/mii/mii_database_manager.cpp
+    hle/service/mii/mii_database_manager.h
     hle/service/mii/mii_manager.cpp
     hle/service/mii/mii_manager.h
     hle/service/mii/mii_result.h
@@ -890,7 +894,7 @@ endif()
 create_target_directory_groups(core)
 
 target_link_libraries(core PUBLIC common PRIVATE audio_core network video_core nx_tzdb)
-target_link_libraries(core PUBLIC Boost::headers PRIVATE fmt::fmt nlohmann_json::nlohmann_json mbedtls renderdoc)
+target_link_libraries(core PUBLIC Boost::headers PRIVATE fmt::fmt nlohmann_json::nlohmann_json mbedtls RenderDoc::API)
 if (MINGW)
     target_link_libraries(core PRIVATE ${MSWSOCK_LIBRARY})
 endif()

src/core/file_sys/partition_filesystem.cpp

@@ -47,6 +47,7 @@ PartitionFilesystem::PartitionFilesystem(VirtualFile file) {
     // Actually read in now...
     std::vector<u8> file_data = file->ReadBytes(metadata_size);
     const std::size_t total_size = file_data.size();
+    file_data.push_back(0);
 
     if (total_size != metadata_size) {
         status = Loader::ResultStatus::ErrorIncorrectPFSFileSize;

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

@@ -7,7 +7,9 @@
 #include "core/frontend/applets/mii_edit.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applet_mii_edit.h"
+#include "core/hle/service/mii/mii.h"
 #include "core/hle/service/mii/mii_manager.h"
+#include "core/hle/service/sm/sm.h"
 
 namespace Service::AM::Applets {
 
@@ -56,6 +58,12 @@ void MiiEdit::Initialize() {
                     sizeof(MiiEditAppletInputV4));
         break;
     }
+
+    manager = system.ServiceManager().GetService<Mii::MiiDBModule>("mii:e")->GetMiiManager();
+    if (manager == nullptr) {
+        manager = std::make_shared<Mii::MiiManager>();
+    }
+    manager->Initialize(metadata);
 }
 
 bool MiiEdit::TransactionComplete() const {
@@ -78,22 +86,46 @@ void MiiEdit::Execute() {
     // This is a default stub for each of the MiiEdit applet modes.
     switch (applet_input_common.applet_mode) {
     case MiiEditAppletMode::ShowMiiEdit:
-    case MiiEditAppletMode::AppendMii:
     case MiiEditAppletMode::AppendMiiImage:
     case MiiEditAppletMode::UpdateMiiImage:
         MiiEditOutput(MiiEditResult::Success, 0);
         break;
-    case MiiEditAppletMode::CreateMii:
-    case MiiEditAppletMode::EditMii: {
-        Mii::CharInfo char_info{};
+    case MiiEditAppletMode::AppendMii: {
         Mii::StoreData store_data{};
-        store_data.BuildBase(Mii::Gender::Male);
-        char_info.SetFromStoreData(store_data);
+        store_data.BuildRandom(Mii::Age::All, Mii::Gender::All, Mii::Race::All);
+        store_data.SetNickname({u'y', u'u', u'z', u'u'});
+        store_data.SetChecksum();
+        const auto result = manager->AddOrReplace(metadata, store_data);
+
+        if (result.IsError()) {
+            MiiEditOutput(MiiEditResult::Cancel, 0);
+            break;
+        }
+
+        s32 index = manager->FindIndex(store_data.GetCreateId(), false);
+
+        if (index == -1) {
+            MiiEditOutput(MiiEditResult::Cancel, 0);
+            break;
+        }
+
+        MiiEditOutput(MiiEditResult::Success, index);
+        break;
+    }
+    case MiiEditAppletMode::CreateMii: {
+        Mii::CharInfo char_info{};
+        manager->BuildRandom(char_info, Mii::Age::All, Mii::Gender::All, Mii::Race::All);
 
         const MiiEditCharInfo edit_char_info{
-            .mii_info{applet_input_common.applet_mode == MiiEditAppletMode::EditMii
-                          ? applet_input_v4.char_info.mii_info
-                          : char_info},
+            .mii_info{char_info},
+        };
+
+        MiiEditOutputForCharInfoEditing(MiiEditResult::Success, edit_char_info);
+        break;
+    }
+    case MiiEditAppletMode::EditMii: {
+        const MiiEditCharInfo edit_char_info{
+            .mii_info{applet_input_v4.char_info.mii_info},
         };
 
         MiiEditOutputForCharInfoEditing(MiiEditResult::Success, edit_char_info);

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

@@ -11,6 +11,11 @@ namespace Core {
 class System;
 } // namespace Core
 
+namespace Service::Mii {
+struct DatabaseSessionMetadata;
+class MiiManager;
+} // namespace Service::Mii
+
 namespace Service::AM::Applets {
 
 class MiiEdit final : public Applet {
@@ -40,6 +45,8 @@ private:
     MiiEditAppletInputV4 applet_input_v4{};
 
     bool is_complete{false};
+    std::shared_ptr<Mii::MiiManager> manager = nullptr;
+    Mii::DatabaseSessionMetadata metadata{};
 };
 
 } // namespace Service::AM::Applets

src/core/hle/service/aoc/aoc_u.cpp

@@ -22,6 +22,8 @@
 
 namespace Service::AOC {
 
+constexpr Result ResultNoPurchasedProductInfoAvailable{ErrorModule::NIMShop, 400};
+
 static bool CheckAOCTitleIDMatchesBase(u64 title_id, u64 base) {
     return FileSys::GetBaseTitleID(title_id) == base;
 }
@@ -54,8 +56,8 @@ public:
             {0, &IPurchaseEventManager::SetDefaultDeliveryTarget, "SetDefaultDeliveryTarget"},
             {1, &IPurchaseEventManager::SetDeliveryTarget, "SetDeliveryTarget"},
             {2, &IPurchaseEventManager::GetPurchasedEventReadableHandle, "GetPurchasedEventReadableHandle"},
-            {3, nullptr, "PopPurchasedProductInfo"},
-            {4, nullptr, "PopPurchasedProductInfoWithUid"},
+            {3, &IPurchaseEventManager::PopPurchasedProductInfo, "PopPurchasedProductInfo"},
+            {4, &IPurchaseEventManager::PopPurchasedProductInfoWithUid, "PopPurchasedProductInfoWithUid"},
         };
         // clang-format on
 
@@ -101,6 +103,20 @@ private:
         rb.PushCopyObjects(purchased_event->GetReadableEvent());
     }
 
+    void PopPurchasedProductInfo(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_AOC, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultNoPurchasedProductInfoAvailable);
+    }
+
+    void PopPurchasedProductInfoWithUid(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_AOC, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultNoPurchasedProductInfoAvailable);
+    }
+
     KernelHelpers::ServiceContext service_context;
 
     Kernel::KEvent* purchased_event;

src/core/hle/service/mii/mii.cpp

@@ -8,6 +8,9 @@
 #include "core/hle/service/mii/mii.h"
 #include "core/hle/service/mii/mii_manager.h"
 #include "core/hle/service/mii/mii_result.h"
+#include "core/hle/service/mii/types/char_info.h"
+#include "core/hle/service/mii/types/store_data.h"
+#include "core/hle/service/mii/types/ver3_store_data.h"
 #include "core/hle/service/server_manager.h"
 #include "core/hle/service/service.h"
 
@@ -15,8 +18,10 @@ namespace Service::Mii {
 
 class IDatabaseService final : public ServiceFramework<IDatabaseService> {
 public:
-    explicit IDatabaseService(Core::System& system_, bool is_system_)
-        : ServiceFramework{system_, "IDatabaseService"}, is_system{is_system_} {
+    explicit IDatabaseService(Core::System& system_, std::shared_ptr<MiiManager> mii_manager,
+                              bool is_system_)
+        : ServiceFramework{system_, "IDatabaseService"}, manager{mii_manager}, is_system{
+                                                                                   is_system_} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &IDatabaseService::IsUpdated, "IsUpdated"},
@@ -27,29 +32,31 @@ public:
             {5, &IDatabaseService::UpdateLatest, "UpdateLatest"},
             {6, &IDatabaseService::BuildRandom, "BuildRandom"},
             {7, &IDatabaseService::BuildDefault, "BuildDefault"},
-            {8, nullptr, "Get2"},
-            {9, nullptr, "Get3"},
-            {10, nullptr, "UpdateLatest1"},
-            {11, nullptr, "FindIndex"},
-            {12, nullptr, "Move"},
-            {13, nullptr, "AddOrReplace"},
-            {14, nullptr, "Delete"},
-            {15, nullptr, "DestroyFile"},
-            {16, nullptr, "DeleteFile"},
-            {17, nullptr, "Format"},
+            {8, &IDatabaseService::Get2, "Get2"},
+            {9, &IDatabaseService::Get3, "Get3"},
+            {10, &IDatabaseService::UpdateLatest1, "UpdateLatest1"},
+            {11, &IDatabaseService::FindIndex, "FindIndex"},
+            {12, &IDatabaseService::Move, "Move"},
+            {13, &IDatabaseService::AddOrReplace, "AddOrReplace"},
+            {14, &IDatabaseService::Delete, "Delete"},
+            {15, &IDatabaseService::DestroyFile, "DestroyFile"},
+            {16, &IDatabaseService::DeleteFile, "DeleteFile"},
+            {17, &IDatabaseService::Format, "Format"},
             {18, nullptr, "Import"},
             {19, nullptr, "Export"},
-            {20, nullptr, "IsBrokenDatabaseWithClearFlag"},
+            {20, &IDatabaseService::IsBrokenDatabaseWithClearFlag, "IsBrokenDatabaseWithClearFlag"},
             {21, &IDatabaseService::GetIndex, "GetIndex"},
             {22, &IDatabaseService::SetInterfaceVersion, "SetInterfaceVersion"},
             {23, &IDatabaseService::Convert, "Convert"},
-            {24, nullptr, "ConvertCoreDataToCharInfo"},
-            {25, nullptr, "ConvertCharInfoToCoreData"},
-            {26, nullptr, "Append"},
+            {24, &IDatabaseService::ConvertCoreDataToCharInfo, "ConvertCoreDataToCharInfo"},
+            {25, &IDatabaseService::ConvertCharInfoToCoreData, "ConvertCharInfoToCoreData"},
+            {26,  &IDatabaseService::Append, "Append"},
         };
         // clang-format on
 
         RegisterHandlers(functions);
+
+        manager->Initialize(metadata);
     }
 
 private:
@@ -59,7 +66,7 @@ private:
 
         LOG_DEBUG(Service_Mii, "called with source_flag={}", source_flag);
 
-        const bool is_updated = manager.IsUpdated(metadata, source_flag);
+        const bool is_updated = manager->IsUpdated(metadata, source_flag);
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
@@ -69,7 +76,7 @@ private:
     void IsFullDatabase(HLERequestContext& ctx) {
         LOG_DEBUG(Service_Mii, "called");
 
-        const bool is_full_database = manager.IsFullDatabase();
+        const bool is_full_database = manager->IsFullDatabase();
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
@@ -80,9 +87,9 @@ private:
         IPC::RequestParser rp{ctx};
         const auto source_flag{rp.PopRaw<SourceFlag>()};
 
-        LOG_DEBUG(Service_Mii, "called with source_flag={}", source_flag);
+        const u32 mii_count = manager->GetCount(metadata, source_flag);
 
-        const u32 mii_count = manager.GetCount(metadata, source_flag);
+        LOG_DEBUG(Service_Mii, "called with source_flag={}, mii_count={}", source_flag, mii_count);
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
@@ -94,16 +101,17 @@ private:
         const auto source_flag{rp.PopRaw<SourceFlag>()};
         const auto output_size{ctx.GetWriteBufferNumElements<CharInfoElement>()};
 
-        LOG_DEBUG(Service_Mii, "called with source_flag={}, out_size={}", source_flag, output_size);
-
         u32 mii_count{};
         std::vector<CharInfoElement> char_info_elements(output_size);
-        Result result = manager.Get(metadata, char_info_elements, mii_count, source_flag);
+        const auto result = manager->Get(metadata, char_info_elements, mii_count, source_flag);
 
         if (mii_count != 0) {
             ctx.WriteBuffer(char_info_elements);
         }
 
+        LOG_INFO(Service_Mii, "called with source_flag={}, out_size={}, mii_count={}", source_flag,
+                 output_size, mii_count);
+
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(result);
         rb.Push(mii_count);
@@ -114,16 +122,17 @@ private:
         const auto source_flag{rp.PopRaw<SourceFlag>()};
         const auto output_size{ctx.GetWriteBufferNumElements<CharInfo>()};
 
-        LOG_DEBUG(Service_Mii, "called with source_flag={}, out_size={}", source_flag, output_size);
-
         u32 mii_count{};
         std::vector<CharInfo> char_info(output_size);
-        Result result = manager.Get(metadata, char_info, mii_count, source_flag);
+        const auto result = manager->Get(metadata, char_info, mii_count, source_flag);
 
         if (mii_count != 0) {
             ctx.WriteBuffer(char_info);
         }
 
+        LOG_INFO(Service_Mii, "called with source_flag={}, out_size={}, mii_count={}", source_flag,
+                 output_size, mii_count);
+
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(result);
         rb.Push(mii_count);
@@ -134,10 +143,10 @@ private:
         const auto char_info{rp.PopRaw<CharInfo>()};
         const auto source_flag{rp.PopRaw<SourceFlag>()};
 
-        LOG_DEBUG(Service_Mii, "called with source_flag={}", source_flag);
+        LOG_INFO(Service_Mii, "called with source_flag={}", source_flag);
 
         CharInfo new_char_info{};
-        const auto result = manager.UpdateLatest(metadata, new_char_info, char_info, source_flag);
+        const auto result = manager->UpdateLatest(metadata, new_char_info, char_info, source_flag);
         if (result.IsFailure()) {
             IPC::ResponseBuilder rb{ctx, 2};
             rb.Push(result);
@@ -146,7 +155,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)};
         rb.Push(ResultSuccess);
-        rb.PushRaw<CharInfo>(new_char_info);
+        rb.PushRaw(new_char_info);
     }
 
     void BuildRandom(HLERequestContext& ctx) {
@@ -176,18 +185,18 @@ private:
         }
 
         CharInfo char_info{};
-        manager.BuildRandom(char_info, age, gender, race);
+        manager->BuildRandom(char_info, age, gender, race);
 
         IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)};
         rb.Push(ResultSuccess);
-        rb.PushRaw<CharInfo>(char_info);
+        rb.PushRaw(char_info);
     }
 
     void BuildDefault(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
         const auto index{rp.Pop<u32>()};
 
-        LOG_INFO(Service_Mii, "called with index={}", index);
+        LOG_DEBUG(Service_Mii, "called with index={}", index);
 
         if (index > 5) {
             IPC::ResponseBuilder rb{ctx, 2};
@@ -196,11 +205,243 @@ private:
         }
 
         CharInfo char_info{};
-        manager.BuildDefault(char_info, index);
+        manager->BuildDefault(char_info, index);
 
         IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)};
         rb.Push(ResultSuccess);
-        rb.PushRaw<CharInfo>(char_info);
+        rb.PushRaw(char_info);
+    }
+
+    void Get2(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto source_flag{rp.PopRaw<SourceFlag>()};
+        const auto output_size{ctx.GetWriteBufferNumElements<StoreDataElement>()};
+
+        u32 mii_count{};
+        std::vector<StoreDataElement> store_data_elements(output_size);
+        const auto result = manager->Get(metadata, store_data_elements, mii_count, source_flag);
+
+        if (mii_count != 0) {
+            ctx.WriteBuffer(store_data_elements);
+        }
+
+        LOG_INFO(Service_Mii, "called with source_flag={}, out_size={}, mii_count={}", source_flag,
+                 output_size, mii_count);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(result);
+        rb.Push(mii_count);
+    }
+
+    void Get3(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto source_flag{rp.PopRaw<SourceFlag>()};
+        const auto output_size{ctx.GetWriteBufferNumElements<StoreData>()};
+
+        u32 mii_count{};
+        std::vector<StoreData> store_data(output_size);
+        const auto result = manager->Get(metadata, store_data, mii_count, source_flag);
+
+        if (mii_count != 0) {
+            ctx.WriteBuffer(store_data);
+        }
+
+        LOG_INFO(Service_Mii, "called with source_flag={}, out_size={}, mii_count={}", source_flag,
+                 output_size, mii_count);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(result);
+        rb.Push(mii_count);
+    }
+
+    void UpdateLatest1(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto store_data{rp.PopRaw<StoreData>()};
+        const auto source_flag{rp.PopRaw<SourceFlag>()};
+
+        LOG_INFO(Service_Mii, "called with source_flag={}", source_flag);
+
+        Result result = ResultSuccess;
+        if (!is_system) {
+            result = ResultPermissionDenied;
+        }
+
+        StoreData new_store_data{};
+        if (result.IsSuccess()) {
+            result = manager->UpdateLatest(metadata, new_store_data, store_data, source_flag);
+        }
+
+        if (result.IsFailure()) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(result);
+            return;
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2 + sizeof(StoreData) / sizeof(u32)};
+        rb.Push(ResultSuccess);
+        rb.PushRaw<StoreData>(new_store_data);
+    }
+
+    void FindIndex(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto create_id{rp.PopRaw<Common::UUID>()};
+        const auto is_special{rp.PopRaw<bool>()};
+
+        LOG_INFO(Service_Mii, "called with create_id={}, is_special={}",
+                 create_id.FormattedString(), is_special);
+
+        const s32 index = manager->FindIndex(create_id, is_special);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push(index);
+    }
+
+    void Move(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto create_id{rp.PopRaw<Common::UUID>()};
+        const auto new_index{rp.PopRaw<s32>()};
+
+        LOG_INFO(Service_Mii, "called with create_id={}, new_index={}", create_id.FormattedString(),
+                 new_index);
+
+        Result result = ResultSuccess;
+        if (!is_system) {
+            result = ResultPermissionDenied;
+        }
+
+        if (result.IsSuccess()) {
+            const u32 count = manager->GetCount(metadata, SourceFlag::Database);
+            if (new_index < 0 || new_index >= static_cast<s32>(count)) {
+                result = ResultInvalidArgument;
+            }
+        }
+
+        if (result.IsSuccess()) {
+            result = manager->Move(metadata, new_index, create_id);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(result);
+    }
+
+    void AddOrReplace(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto store_data{rp.PopRaw<StoreData>()};
+
+        LOG_INFO(Service_Mii, "called");
+
+        Result result = ResultSuccess;
+
+        if (!is_system) {
+            result = ResultPermissionDenied;
+        }
+
+        if (result.IsSuccess()) {
+            result = manager->AddOrReplace(metadata, store_data);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(result);
+    }
+
+    void Delete(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto create_id{rp.PopRaw<Common::UUID>()};
+
+        LOG_INFO(Service_Mii, "called, create_id={}", create_id.FormattedString());
+
+        Result result = ResultSuccess;
+
+        if (!is_system) {
+            result = ResultPermissionDenied;
+        }
+
+        if (result.IsSuccess()) {
+            result = manager->Delete(metadata, create_id);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(result);
+    }
+
+    void DestroyFile(HLERequestContext& ctx) {
+        // This calls nn::settings::fwdbg::GetSettingsItemValue("is_db_test_mode_enabled");
+        const bool is_db_test_mode_enabled = false;
+
+        LOG_INFO(Service_Mii, "called is_db_test_mode_enabled={}", is_db_test_mode_enabled);
+
+        Result result = ResultSuccess;
+
+        if (!is_db_test_mode_enabled) {
+            result = ResultTestModeOnly;
+        }
+
+        if (result.IsSuccess()) {
+            result = manager->DestroyFile(metadata);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(result);
+    }
+
+    void DeleteFile(HLERequestContext& ctx) {
+        // This calls nn::settings::fwdbg::GetSettingsItemValue("is_db_test_mode_enabled");
+        const bool is_db_test_mode_enabled = false;
+
+        LOG_INFO(Service_Mii, "called is_db_test_mode_enabled={}", is_db_test_mode_enabled);
+
+        Result result = ResultSuccess;
+
+        if (!is_db_test_mode_enabled) {
+            result = ResultTestModeOnly;
+        }
+
+        if (result.IsSuccess()) {
+            result = manager->DeleteFile();
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(result);
+    }
+
+    void Format(HLERequestContext& ctx) {
+        // This calls nn::settings::fwdbg::GetSettingsItemValue("is_db_test_mode_enabled");
+        const bool is_db_test_mode_enabled = false;
+
+        LOG_INFO(Service_Mii, "called is_db_test_mode_enabled={}", is_db_test_mode_enabled);
+
+        Result result = ResultSuccess;
+
+        if (!is_db_test_mode_enabled) {
+            result = ResultTestModeOnly;
+        }
+
+        if (result.IsSuccess()) {
+            result = manager->Format(metadata);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(result);
+    }
+
+    void IsBrokenDatabaseWithClearFlag(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Mii, "called");
+
+        bool is_broken_with_clear_flag = false;
+        Result result = ResultSuccess;
+
+        if (!is_system) {
+            result = ResultPermissionDenied;
+        }
+
+        if (result.IsSuccess()) {
+            is_broken_with_clear_flag = manager->IsBrokenWithClearFlag(metadata);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(result);
+        rb.Push<u8>(is_broken_with_clear_flag);
     }
 
     void GetIndex(HLERequestContext& ctx) {
@@ -210,7 +451,7 @@ private:
         LOG_DEBUG(Service_Mii, "called");
 
         s32 index{};
-        const auto result = manager.GetIndex(metadata, info, index);
+        const auto result = manager->GetIndex(metadata, info, index);
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(result);
@@ -223,7 +464,7 @@ private:
 
         LOG_INFO(Service_Mii, "called, interface_version={:08X}", interface_version);
 
-        manager.SetInterfaceVersion(metadata, interface_version);
+        manager->SetInterfaceVersion(metadata, interface_version);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(ResultSuccess);
@@ -236,22 +477,61 @@ private:
         LOG_INFO(Service_Mii, "called");
 
         CharInfo char_info{};
-        manager.ConvertV3ToCharInfo(char_info, mii_v3);
+        const auto result = manager->ConvertV3ToCharInfo(char_info, mii_v3);
 
         IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)};
-        rb.Push(ResultSuccess);
+        rb.Push(result);
         rb.PushRaw<CharInfo>(char_info);
     }
 
-    MiiManager manager{};
+    void ConvertCoreDataToCharInfo(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto core_data{rp.PopRaw<CoreData>()};
+
+        LOG_INFO(Service_Mii, "called");
+
+        CharInfo char_info{};
+        const auto result = manager->ConvertCoreDataToCharInfo(char_info, core_data);
+
+        IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)};
+        rb.Push(result);
+        rb.PushRaw<CharInfo>(char_info);
+    }
+
+    void ConvertCharInfoToCoreData(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto char_info{rp.PopRaw<CharInfo>()};
+
+        LOG_INFO(Service_Mii, "called");
+
+        CoreData core_data{};
+        const auto result = manager->ConvertCharInfoToCoreData(core_data, char_info);
+
+        IPC::ResponseBuilder rb{ctx, 2 + sizeof(CoreData) / sizeof(u32)};
+        rb.Push(result);
+        rb.PushRaw<CoreData>(core_data);
+    }
+
+    void Append(HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto char_info{rp.PopRaw<CharInfo>()};
+
+        LOG_INFO(Service_Mii, "called");
+
+        const auto result = manager->Append(metadata, char_info);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(result);
+    }
+
+    std::shared_ptr<MiiManager> manager = nullptr;
     DatabaseSessionMetadata metadata{};
     bool is_system{};
 };
 
-class MiiDBModule final : public ServiceFramework<MiiDBModule> {
-public:
-    explicit MiiDBModule(Core::System& system_, const char* name_, bool is_system_)
-        : ServiceFramework{system_, name_}, is_system{is_system_} {
+MiiDBModule::MiiDBModule(Core::System& system_, const char* name_,
+                         std::shared_ptr<MiiManager> mii_manager, bool is_system_)
+    : ServiceFramework{system_, name_}, manager{mii_manager}, is_system{is_system_} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &MiiDBModule::GetDatabaseService, "GetDatabaseService"},
@@ -259,28 +539,34 @@ public:
     // clang-format on
 
     RegisterHandlers(functions);
-    }
 
-private:
-    void GetDatabaseService(HLERequestContext& ctx) {
+    if (manager == nullptr) {
+        manager = std::make_shared<MiiManager>();
+    }
+}
+
+MiiDBModule::~MiiDBModule() = default;
+
+void MiiDBModule::GetDatabaseService(HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(ResultSuccess);
-        rb.PushIpcInterface<IDatabaseService>(system, is_system);
+    rb.PushIpcInterface<IDatabaseService>(system, manager, is_system);
 
     LOG_DEBUG(Service_Mii, "called");
-    }
+}
 
-    bool is_system{};
-};
+std::shared_ptr<MiiManager> MiiDBModule::GetMiiManager() {
+    return manager;
+}
 
 class MiiImg final : public ServiceFramework<MiiImg> {
 public:
     explicit MiiImg(Core::System& system_) : ServiceFramework{system_, "miiimg"} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, nullptr, "Initialize"},
+            {0, &MiiImg::Initialize, "Initialize"},
             {10, nullptr, "Reload"},
-            {11, nullptr, "GetCount"},
+            {11, &MiiImg::GetCount, "GetCount"},
             {12, nullptr, "IsEmpty"},
             {13, nullptr, "IsFull"},
             {14, nullptr, "GetAttribute"},
@@ -297,15 +583,32 @@ public:
 
         RegisterHandlers(functions);
     }
+
+private:
+    void Initialize(HLERequestContext& ctx) {
+        LOG_INFO(Service_Mii, "called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultSuccess);
+    }
+
+    void GetCount(HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Mii, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(ResultSuccess);
+        rb.Push(0);
+    }
 };
 
 void LoopProcess(Core::System& system) {
     auto server_manager = std::make_unique<ServerManager>(system);
+    std::shared_ptr<MiiManager> manager = nullptr;
 
-    server_manager->RegisterNamedService("mii:e",
-                                         std::make_shared<MiiDBModule>(system, "mii:e", true));
-    server_manager->RegisterNamedService("mii:u",
-                                         std::make_shared<MiiDBModule>(system, "mii:u", false));
+    server_manager->RegisterNamedService(
+        "mii:e", std::make_shared<MiiDBModule>(system, "mii:e", manager, true));
+    server_manager->RegisterNamedService(
+        "mii:u", std::make_shared<MiiDBModule>(system, "mii:u", manager, false));
     server_manager->RegisterNamedService("miiimg", std::make_shared<MiiImg>(system));
     ServerManager::RunServer(std::move(server_manager));
 }

src/core/hle/service/mii/mii.h

@@ -3,11 +3,29 @@
 
 #pragma once
 
+#include "core/hle/service/service.h"
+
 namespace Core {
 class System;
 }
 
 namespace Service::Mii {
+class MiiManager;
+
+class MiiDBModule final : public ServiceFramework<MiiDBModule> {
+public:
+    explicit MiiDBModule(Core::System& system_, const char* name_,
+                         std::shared_ptr<MiiManager> mii_manager, bool is_system_);
+    ~MiiDBModule() override;
+
+    std::shared_ptr<MiiManager> GetMiiManager();
+
+private:
+    void GetDatabaseService(HLERequestContext& ctx);
+
+    std::shared_ptr<MiiManager> manager = nullptr;
+    bool is_system{};
+};
 
 void LoopProcess(Core::System& system);
 

src/core/hle/service/mii/mii_database.cpp

@@ -0,0 +1,142 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/service/mii/mii_database.h"
+#include "core/hle/service/mii/mii_result.h"
+#include "core/hle/service/mii/mii_util.h"
+
+namespace Service::Mii {
+
+u8 NintendoFigurineDatabase::GetDatabaseLength() const {
+    return database_length;
+}
+
+bool NintendoFigurineDatabase::IsFull() const {
+    return database_length >= MaxDatabaseLength;
+}
+
+StoreData NintendoFigurineDatabase::Get(std::size_t index) const {
+    StoreData store_data = miis.at(index);
+
+    // This hack is to make external database dumps compatible
+    store_data.SetDeviceChecksum();
+
+    return store_data;
+}
+
+u32 NintendoFigurineDatabase::GetCount(const DatabaseSessionMetadata& metadata) const {
+    if (magic == MiiMagic) {
+        return GetDatabaseLength();
+    }
+
+    u32 mii_count{};
+    for (std::size_t index = 0; index < mii_count; ++index) {
+        const auto& store_data = Get(index);
+        if (!store_data.IsSpecial()) {
+            mii_count++;
+        }
+    }
+
+    return mii_count;
+}
+
+bool NintendoFigurineDatabase::GetIndexByCreatorId(u32& out_index,
+                                                   const Common::UUID& create_id) const {
+    for (std::size_t index = 0; index < database_length; ++index) {
+        if (miis[index].GetCreateId() == create_id) {
+            out_index = static_cast<u32>(index);
+            return true;
+        }
+    }
+
+    return false;
+}
+
+Result NintendoFigurineDatabase::Move(u32 current_index, u32 new_index) {
+    if (current_index == new_index) {
+        return ResultNotUpdated;
+    }
+
+    const StoreData store_data = miis[current_index];
+
+    if (new_index > current_index) {
+        // Shift left
+        const u32 index_diff = new_index - current_index;
+        for (std::size_t i = 0; i < index_diff; i++) {
+            miis[current_index + i] = miis[current_index + i + 1];
+        }
+    } else {
+        // Shift right
+        const u32 index_diff = current_index - new_index;
+        for (std::size_t i = 0; i < index_diff; i++) {
+            miis[current_index - i] = miis[current_index - i - 1];
+        }
+    }
+
+    miis[new_index] = store_data;
+    crc = GenerateDatabaseCrc();
+    return ResultSuccess;
+}
+
+void NintendoFigurineDatabase::Replace(u32 index, const StoreData& store_data) {
+    miis[index] = store_data;
+    crc = GenerateDatabaseCrc();
+}
+
+void NintendoFigurineDatabase::Add(const StoreData& store_data) {
+    miis[database_length] = store_data;
+    database_length++;
+    crc = GenerateDatabaseCrc();
+}
+
+void NintendoFigurineDatabase::Delete(u32 index) {
+    // Shift left
+    const s32 new_database_size = database_length - 1;
+    if (static_cast<s32>(index) < new_database_size) {
+        for (std::size_t i = index; i < static_cast<std::size_t>(new_database_size); i++) {
+            miis[i] = miis[i + 1];
+        }
+    }
+
+    database_length = static_cast<u8>(new_database_size);
+    crc = GenerateDatabaseCrc();
+}
+
+void NintendoFigurineDatabase::CleanDatabase() {
+    miis = {};
+    version = 1;
+    magic = DatabaseMagic;
+    database_length = 0;
+    crc = GenerateDatabaseCrc();
+}
+
+void NintendoFigurineDatabase::CorruptCrc() {
+    crc = GenerateDatabaseCrc();
+    crc = ~crc;
+}
+
+Result NintendoFigurineDatabase::CheckIntegrity() {
+    if (magic != DatabaseMagic) {
+        return ResultInvalidDatabaseSignature;
+    }
+
+    if (version != 1) {
+        return ResultInvalidDatabaseVersion;
+    }
+
+    if (crc != GenerateDatabaseCrc()) {
+        return ResultInvalidDatabaseChecksum;
+    }
+
+    if (database_length >= MaxDatabaseLength) {
+        return ResultInvalidDatabaseLength;
+    }
+
+    return ResultSuccess;
+}
+
+u16 NintendoFigurineDatabase::GenerateDatabaseCrc() {
+    return MiiUtil::CalculateCrc16(&magic, sizeof(NintendoFigurineDatabase) - sizeof(crc));
+}
+
+} // namespace Service::Mii

src/core/hle/service/mii/mii_database.h

@@ -0,0 +1,66 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/result.h"
+#include "core/hle/service/mii/types/store_data.h"
+
+namespace Service::Mii {
+
+constexpr std::size_t MaxDatabaseLength{100};
+constexpr u32 MiiMagic{0xa523b78f};
+constexpr u32 DatabaseMagic{0x4244464e}; // NFDB
+
+class NintendoFigurineDatabase {
+public:
+    /// Returns the total mii count.
+    u8 GetDatabaseLength() const;
+
+    /// Returns true if database is full.
+    bool IsFull() const;
+
+    /// Returns the mii of the specified index.
+    StoreData Get(std::size_t index) const;
+
+    /// Returns the total mii count. Ignoring special mii.
+    u32 GetCount(const DatabaseSessionMetadata& metadata) const;
+
+    /// Returns the index of a mii. If the mii isn't found returns false.
+    bool GetIndexByCreatorId(u32& out_index, const Common::UUID& create_id) const;
+
+    /// Moves the location of a specific mii.
+    Result Move(u32 current_index, u32 new_index);
+
+    /// Replaces mii with new data.
+    void Replace(u32 index, const StoreData& store_data);
+
+    /// Adds a new mii to the end of the database.
+    void Add(const StoreData& store_data);
+
+    /// Removes mii from database and shifts left the remainding data.
+    void Delete(u32 index);
+
+    /// Deletes all contents with a fresh database
+    void CleanDatabase();
+
+    /// Intentionally sets a bad checksum
+    void CorruptCrc();
+
+    /// Returns success if database is valid otherwise returns the corresponding error code.
+    Result CheckIntegrity();
+
+private:
+    /// Returns the checksum of the database
+    u16 GenerateDatabaseCrc();
+
+    u32 magic{}; // 'NFDB'
+    std::array<StoreData, MaxDatabaseLength> miis{};
+    u8 version{};
+    u8 database_length{};
+    u16 crc{};
+};
+static_assert(sizeof(NintendoFigurineDatabase) == 0x1A98,
+              "NintendoFigurineDatabase has incorrect size.");
+
+}; // namespace Service::Mii

src/core/hle/service/mii/mii_database_manager.cpp

@@ -0,0 +1,420 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/assert.h"
+#include "common/fs/file.h"
+#include "common/fs/fs.h"
+#include "common/fs/path_util.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+
+#include "core/hle/service/mii/mii_database_manager.h"
+#include "core/hle/service/mii/mii_result.h"
+#include "core/hle/service/mii/mii_util.h"
+#include "core/hle/service/mii/types/char_info.h"
+#include "core/hle/service/mii/types/store_data.h"
+
+namespace Service::Mii {
+const char* DbFileName = "MiiDatabase.dat";
+
+DatabaseManager::DatabaseManager() {}
+
+Result DatabaseManager::MountSaveData() {
+    if (!is_save_data_mounted) {
+        system_save_dir =
+            Common::FS::GetYuzuPath(Common::FS::YuzuPath::NANDDir) / "system/save/8000000000000030";
+        if (is_test_db) {
+            system_save_dir = Common::FS::GetYuzuPath(Common::FS::YuzuPath::NANDDir) /
+                              "system/save/8000000000000031";
+        }
+
+        // mount point should be "mii:"
+
+        if (!Common::FS::CreateDirs(system_save_dir)) {
+            return ResultUnknown;
+        }
+    }
+
+    is_save_data_mounted = true;
+    return ResultSuccess;
+}
+
+Result DatabaseManager::Initialize(DatabaseSessionMetadata& metadata, bool& is_database_broken) {
+    is_database_broken = false;
+    if (!is_save_data_mounted) {
+        return ResultInvalidArgument;
+    }
+
+    database.CleanDatabase();
+    update_counter++;
+    metadata.update_counter = update_counter;
+
+    const Common::FS::IOFile db_file{system_save_dir / DbFileName, Common::FS::FileAccessMode::Read,
+                                     Common::FS::FileType::BinaryFile};
+
+    if (!db_file.IsOpen()) {
+        return SaveDatabase();
+    }
+
+    if (Common::FS::GetSize(system_save_dir / DbFileName) != sizeof(NintendoFigurineDatabase)) {
+        is_database_broken = true;
+    }
+
+    if (db_file.Read(database) != 1) {
+        is_database_broken = true;
+    }
+
+    if (is_database_broken) {
+        // Dragons happen here for simplicity just clean the database
+        LOG_ERROR(Service_Mii, "Mii database is corrupted");
+        database.CleanDatabase();
+        return ResultUnknown;
+    }
+
+    const auto result = database.CheckIntegrity();
+
+    if (result.IsError()) {
+        LOG_ERROR(Service_Mii, "Mii database is corrupted 0x{:0x}", result.raw);
+        database.CleanDatabase();
+        return ResultSuccess;
+    }
+
+    LOG_INFO(Service_Mii, "Successfully loaded mii database. size={}",
+             database.GetDatabaseLength());
+    return ResultSuccess;
+}
+
+bool DatabaseManager::IsFullDatabase() const {
+    return database.GetDatabaseLength() == MaxDatabaseLength;
+}
+
+bool DatabaseManager::IsModified() const {
+    return is_moddified;
+}
+
+u64 DatabaseManager::GetUpdateCounter() const {
+    return update_counter;
+}
+
+u32 DatabaseManager::GetCount(const DatabaseSessionMetadata& metadata) const {
+    const u32 database_size = database.GetDatabaseLength();
+    if (metadata.magic == MiiMagic) {
+        return database_size;
+    }
+
+    // Special mii can't be used. Skip those.
+
+    u32 mii_count{};
+    for (std::size_t index = 0; index < database_size; ++index) {
+        const auto& store_data = database.Get(index);
+        if (store_data.IsSpecial()) {
+            continue;
+        }
+        mii_count++;
+    }
+
+    return mii_count;
+}
+
+void DatabaseManager::Get(StoreData& out_store_data, std::size_t index,
+                          const DatabaseSessionMetadata& metadata) const {
+    if (metadata.magic == MiiMagic) {
+        out_store_data = database.Get(index);
+        return;
+    }
+
+    // The index refeers to the mii index without special mii.
+    // Search on the database until we find it
+
+    u32 virtual_index = 0;
+    const u32 database_size = database.GetDatabaseLength();
+    for (std::size_t i = 0; i < database_size; ++i) {
+        const auto& store_data = database.Get(i);
+        if (store_data.IsSpecial()) {
+            continue;
+        }
+        if (virtual_index == index) {
+            out_store_data = store_data;
+            return;
+        }
+        virtual_index++;
+    }
+
+    // This function doesn't fail. It returns the first mii instead
+    out_store_data = database.Get(0);
+}
+
+Result DatabaseManager::FindIndex(s32& out_index, const Common::UUID& create_id,
+                                  bool is_special) const {
+    u32 index{};
+    const bool is_found = database.GetIndexByCreatorId(index, create_id);
+
+    if (!is_found) {
+        return ResultNotFound;
+    }
+
+    if (is_special) {
+        out_index = index;
+        return ResultSuccess;
+    }
+
+    if (database.Get(index).IsSpecial()) {
+        return ResultNotFound;
+    }
+
+    out_index = 0;
+
+    if (index < 1) {
+        return ResultSuccess;
+    }
+
+    for (std::size_t i = 0; i <= index; ++i) {
+        if (database.Get(i).IsSpecial()) {
+            continue;
+        }
+        out_index++;
+    }
+    return ResultSuccess;
+}
+
+Result DatabaseManager::FindIndex(const DatabaseSessionMetadata& metadata, u32& out_index,
+                                  const Common::UUID& create_id) const {
+    u32 index{};
+    const bool is_found = database.GetIndexByCreatorId(index, create_id);
+
+    if (!is_found) {
+        return ResultNotFound;
+    }
+
+    if (metadata.magic == MiiMagic) {
+        out_index = index;
+        return ResultSuccess;
+    }
+
+    if (database.Get(index).IsSpecial()) {
+        return ResultNotFound;
+    }
+
+    out_index = 0;
+
+    if (index < 1) {
+        return ResultSuccess;
+    }
+
+    // The index refeers to the mii index without special mii.
+    // Search on the database until we find it
+
+    for (std::size_t i = 0; i <= index; ++i) {
+        const auto& store_data = database.Get(i);
+        if (store_data.IsSpecial()) {
+            continue;
+        }
+        out_index++;
+    }
+    return ResultSuccess;
+}
+
+Result DatabaseManager::FindMoveIndex(u32& out_index, u32 new_index,
+                                      const Common::UUID& create_id) const {
+    const auto database_size = database.GetDatabaseLength();
+
+    if (database_size >= 1) {
+        u32 virtual_index{};
+        for (std::size_t i = 0; i < database_size; ++i) {
+            const StoreData& store_data = database.Get(i);
+            if (store_data.IsSpecial()) {
+                continue;
+            }
+            if (virtual_index == new_index) {
+                const bool is_found = database.GetIndexByCreatorId(out_index, create_id);
+                if (!is_found) {
+                    return ResultNotFound;
+                }
+                if (store_data.IsSpecial()) {
+                    return ResultInvalidOperation;
+                }
+                return ResultSuccess;
+            }
+            virtual_index++;
+        }
+    }
+
+    const bool is_found = database.GetIndexByCreatorId(out_index, create_id);
+    if (!is_found) {
+        return ResultNotFound;
+    }
+    const StoreData& store_data = database.Get(out_index);
+    if (store_data.IsSpecial()) {
+        return ResultInvalidOperation;
+    }
+    return ResultSuccess;
+}
+
+Result DatabaseManager::Move(DatabaseSessionMetadata& metadata, u32 new_index,
+                             const Common::UUID& create_id) {
+    u32 current_index{};
+    if (metadata.magic == MiiMagic) {
+        const bool is_found = database.GetIndexByCreatorId(current_index, create_id);
+        if (!is_found) {
+            return ResultNotFound;
+        }
+    } else {
+        const auto result = FindMoveIndex(current_index, new_index, create_id);
+        if (result.IsError()) {
+            return result;
+        }
+    }
+
+    const auto result = database.Move(current_index, new_index);
+    if (result.IsFailure()) {
+        return result;
+    }
+
+    is_moddified = true;
+    update_counter++;
+    metadata.update_counter = update_counter;
+    return ResultSuccess;
+}
+
+Result DatabaseManager::AddOrReplace(DatabaseSessionMetadata& metadata,
+                                     const StoreData& store_data) {
+    if (store_data.IsValid() != ValidationResult::NoErrors) {
+        return ResultInvalidStoreData;
+    }
+    if (metadata.magic != MiiMagic && store_data.IsSpecial()) {
+        return ResultInvalidOperation;
+    }
+
+    u32 index{};
+    const bool is_found = database.GetIndexByCreatorId(index, store_data.GetCreateId());
+    if (is_found) {
+        const StoreData& old_store_data = database.Get(index);
+
+        if (store_data.IsSpecial() != old_store_data.IsSpecial()) {
+            return ResultInvalidOperation;
+        }
+
+        database.Replace(index, store_data);
+    } else {
+        if (database.IsFull()) {
+            return ResultDatabaseFull;
+        }
+
+        database.Add(store_data);
+    }
+
+    is_moddified = true;
+    update_counter++;
+    metadata.update_counter = update_counter;
+    return ResultSuccess;
+}
+
+Result DatabaseManager::Delete(DatabaseSessionMetadata& metadata, const Common::UUID& create_id) {
+    u32 index{};
+    const bool is_found = database.GetIndexByCreatorId(index, create_id);
+    if (!is_found) {
+        return ResultNotFound;
+    }
+
+    if (metadata.magic != MiiMagic) {
+        const auto& store_data = database.Get(index);
+        if (store_data.IsSpecial()) {
+            return ResultInvalidOperation;
+        }
+    }
+
+    database.Delete(index);
+
+    is_moddified = true;
+    update_counter++;
+    metadata.update_counter = update_counter;
+    return ResultSuccess;
+}
+
+Result DatabaseManager::Append(DatabaseSessionMetadata& metadata, const CharInfo& char_info) {
+    if (char_info.Verify() != ValidationResult::NoErrors) {
+        return ResultInvalidCharInfo2;
+    }
+    if (char_info.GetType() == 1) {
+        return ResultInvalidCharInfoType;
+    }
+
+    u32 index{};
+    StoreData store_data{};
+
+    // Loop until the mii we created is not on the database
+    do {
+        store_data.BuildWithCharInfo(char_info);
+    } while (database.GetIndexByCreatorId(index, store_data.GetCreateId()));
+
+    const Result result = store_data.Restore();
+
+    if (result.IsSuccess() || result == ResultNotUpdated) {
+        return AddOrReplace(metadata, store_data);
+    }
+
+    return result;
+}
+
+Result DatabaseManager::DestroyFile(DatabaseSessionMetadata& metadata) {
+    database.CorruptCrc();
+
+    is_moddified = true;
+    update_counter++;
+    metadata.update_counter = update_counter;
+
+    const auto result = SaveDatabase();
+    database.CleanDatabase();
+
+    return result;
+}
+
+Result DatabaseManager::DeleteFile() {
+    const bool result = Common::FS::RemoveFile(system_save_dir / DbFileName);
+    // TODO: Return proper FS error here
+    return result ? ResultSuccess : ResultUnknown;
+}
+
+void DatabaseManager::Format(DatabaseSessionMetadata& metadata) {
+    database.CleanDatabase();
+    is_moddified = true;
+    update_counter++;
+    metadata.update_counter = update_counter;
+}
+
+Result DatabaseManager::SaveDatabase() {
+    // TODO: Replace unknown error codes with proper FS error codes when available
+
+    if (!Common::FS::Exists(system_save_dir / DbFileName)) {
+        if (!Common::FS::NewFile(system_save_dir / DbFileName)) {
+            LOG_ERROR(Service_Mii, "Failed to create mii database");
+            return ResultUnknown;
+        }
+    }
+
+    const auto file_size = Common::FS::GetSize(system_save_dir / DbFileName);
+    if (file_size != 0 && file_size != sizeof(NintendoFigurineDatabase)) {
+        if (!Common::FS::RemoveFile(system_save_dir / DbFileName)) {
+            LOG_ERROR(Service_Mii, "Failed to delete mii database");
+            return ResultUnknown;
+        }
+        if (!Common::FS::NewFile(system_save_dir / DbFileName)) {
+            LOG_ERROR(Service_Mii, "Failed to create mii database");
+            return ResultUnknown;
+        }
+    }
+
+    const Common::FS::IOFile db_file{system_save_dir / DbFileName,
+                                     Common::FS::FileAccessMode::ReadWrite,
+                                     Common::FS::FileType::BinaryFile};
+
+    if (db_file.Write(database) != 1) {
+        LOG_ERROR(Service_Mii, "Failed to save mii database");
+        return ResultUnknown;
+    }
+
+    is_moddified = false;
+    return ResultSuccess;
+}
+
+} // namespace Service::Mii

src/core/hle/service/mii/mii_database_manager.h

@@ -0,0 +1,58 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/fs/fs.h"
+#include "core/hle/result.h"
+#include "core/hle/service/mii/mii_database.h"
+
+namespace Service::Mii {
+class CharInfo;
+class StoreData;
+
+class DatabaseManager {
+public:
+    DatabaseManager();
+    Result MountSaveData();
+    Result Initialize(DatabaseSessionMetadata& metadata, bool& is_database_broken);
+
+    bool IsFullDatabase() const;
+    bool IsModified() const;
+    u64 GetUpdateCounter() const;
+
+    void Get(StoreData& out_store_data, std::size_t index,
+             const DatabaseSessionMetadata& metadata) const;
+    u32 GetCount(const DatabaseSessionMetadata& metadata) const;
+
+    Result FindIndex(s32& out_index, const Common::UUID& create_id, bool is_special) const;
+    Result FindIndex(const DatabaseSessionMetadata& metadata, u32& out_index,
+                     const Common::UUID& create_id) const;
+    Result FindMoveIndex(u32& out_index, u32 new_index, const Common::UUID& create_id) const;
+
+    Result Move(DatabaseSessionMetadata& metadata, u32 current_index,
+                const Common::UUID& create_id);
+    Result AddOrReplace(DatabaseSessionMetadata& metadata, const StoreData& out_store_data);
+    Result Delete(DatabaseSessionMetadata& metadata, const Common::UUID& create_id);
+    Result Append(DatabaseSessionMetadata& metadata, const CharInfo& char_info);
+
+    Result DestroyFile(DatabaseSessionMetadata& metadata);
+    Result DeleteFile();
+    void Format(DatabaseSessionMetadata& metadata);
+
+    Result SaveDatabase();
+
+private:
+    // This is the global value of
+    // nn::settings::fwdbg::GetSettingsItemValue("is_db_test_mode_enabled");
+    bool is_test_db{};
+
+    bool is_moddified{};
+    bool is_save_data_mounted{};
+    u64 update_counter{};
+    NintendoFigurineDatabase database{};
+
+    std::filesystem::path system_save_dir{};
+};
+
+}; // namespace Service::Mii

src/core/hle/service/mii/mii_manager.cpp

@@ -1,59 +1,26 @@
 // SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <cstring>
-#include <random>
-
-#include "common/assert.h"
 #include "common/logging/log.h"
-#include "common/string_util.h"
-
-#include "core/hle/service/acc/profile_manager.h"
+#include "core/hle/service/mii/mii_database_manager.h"
 #include "core/hle/service/mii/mii_manager.h"
 #include "core/hle/service/mii/mii_result.h"
 #include "core/hle/service/mii/mii_util.h"
+#include "core/hle/service/mii/types/char_info.h"
 #include "core/hle/service/mii/types/core_data.h"
 #include "core/hle/service/mii/types/raw_data.h"
+#include "core/hle/service/mii/types/store_data.h"
+#include "core/hle/service/mii/types/ver3_store_data.h"
 
 namespace Service::Mii {
 constexpr std::size_t DefaultMiiCount{RawData::DefaultMii.size()};
 
 MiiManager::MiiManager() {}
 
-bool MiiManager::IsUpdated(DatabaseSessionMetadata& metadata, SourceFlag source_flag) const {
-    if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
-        return false;
-    }
-
-    const auto metadata_update_counter = metadata.update_counter;
-    metadata.update_counter = update_counter;
-    return metadata_update_counter != update_counter;
-}
-
-bool MiiManager::IsFullDatabase() const {
-    // TODO(bunnei): We don't implement the Mii database, so it cannot be full
-    return false;
-}
-
-u32 MiiManager::GetCount(const DatabaseSessionMetadata& metadata, SourceFlag source_flag) const {
-    u32 mii_count{};
-    if ((source_flag & SourceFlag::Default) != SourceFlag::None) {
-        mii_count += DefaultMiiCount;
-    }
-    if ((source_flag & SourceFlag::Database) != SourceFlag::None) {
-        // TODO(bunnei): We don't implement the Mii database, but when we do, update this
-    }
-    return mii_count;
-}
-
-Result MiiManager::UpdateLatest(DatabaseSessionMetadata& metadata, CharInfo& out_char_info,
-                                const CharInfo& char_info, SourceFlag source_flag) {
-    if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
-        return ResultNotFound;
-    }
-
-    // TODO(bunnei): We don't implement the Mii database, so we can't have an entry
-    return ResultNotFound;
+Result MiiManager::Initialize(DatabaseSessionMetadata& metadata) {
+    database_manager.MountSaveData();
+    database_manager.Initialize(metadata, is_broken_with_clear_flag);
+    return ResultSuccess;
 }
 
 void MiiManager::BuildDefault(CharInfo& out_char_info, u32 index) const {
@@ -74,39 +41,368 @@ void MiiManager::BuildRandom(CharInfo& out_char_info, Age age, Gender gender, Ra
     out_char_info.SetFromStoreData(store_data);
 }
 
-void MiiManager::ConvertV3ToCharInfo(CharInfo& out_char_info, const Ver3StoreData& mii_v3) const {
+bool MiiManager::IsFullDatabase() const {
+    return database_manager.IsFullDatabase();
+}
+
+void MiiManager::SetInterfaceVersion(DatabaseSessionMetadata& metadata, u32 version) const {
+    metadata.interface_version = version;
+}
+
+bool MiiManager::IsUpdated(DatabaseSessionMetadata& metadata, SourceFlag source_flag) const {
+    if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
+        return false;
+    }
+
+    const u64 metadata_update_counter = metadata.update_counter;
+    const u64 database_update_counter = database_manager.GetUpdateCounter();
+    metadata.update_counter = database_update_counter;
+    return metadata_update_counter != database_update_counter;
+}
+
+u32 MiiManager::GetCount(const DatabaseSessionMetadata& metadata, SourceFlag source_flag) const {
+    u32 mii_count{};
+    if ((source_flag & SourceFlag::Default) != SourceFlag::None) {
+        mii_count += DefaultMiiCount;
+    }
+    if ((source_flag & SourceFlag::Database) != SourceFlag::None) {
+        mii_count += database_manager.GetCount(metadata);
+    }
+    return mii_count;
+}
+
+Result MiiManager::Move(DatabaseSessionMetadata& metadata, u32 index,
+                        const Common::UUID& create_id) {
+    const auto result = database_manager.Move(metadata, index, create_id);
+
+    if (result.IsFailure()) {
+        return result;
+    }
+
+    if (!database_manager.IsModified()) {
+        return ResultNotUpdated;
+    }
+
+    return database_manager.SaveDatabase();
+}
+
+Result MiiManager::AddOrReplace(DatabaseSessionMetadata& metadata, const StoreData& store_data) {
+    const auto result = database_manager.AddOrReplace(metadata, store_data);
+
+    if (result.IsFailure()) {
+        return result;
+    }
+
+    if (!database_manager.IsModified()) {
+        return ResultNotUpdated;
+    }
+
+    return database_manager.SaveDatabase();
+}
+
+Result MiiManager::Delete(DatabaseSessionMetadata& metadata, const Common::UUID& create_id) {
+    const auto result = database_manager.Delete(metadata, create_id);
+
+    if (result.IsFailure()) {
+        return result;
+    }
+
+    if (!database_manager.IsModified()) {
+        return ResultNotUpdated;
+    }
+
+    return database_manager.SaveDatabase();
+}
+
+s32 MiiManager::FindIndex(const Common::UUID& create_id, bool is_special) const {
+    s32 index{};
+    const auto result = database_manager.FindIndex(index, create_id, is_special);
+    if (result.IsError()) {
+        index = -1;
+    }
+    return index;
+}
+
+Result MiiManager::GetIndex(const DatabaseSessionMetadata& metadata, const CharInfo& char_info,
+                            s32& out_index) const {
+    if (char_info.Verify() != ValidationResult::NoErrors) {
+        return ResultInvalidCharInfo;
+    }
+
+    s32 index{};
+    const bool is_special = metadata.magic == MiiMagic;
+    const auto result = database_manager.FindIndex(index, char_info.GetCreateId(), is_special);
+
+    if (result.IsError()) {
+        index = -1;
+    }
+
+    if (index == -1) {
+        return ResultNotFound;
+    }
+
+    out_index = index;
+    return ResultSuccess;
+}
+
+Result MiiManager::Append(DatabaseSessionMetadata& metadata, const CharInfo& char_info) {
+    const auto result = database_manager.Append(metadata, char_info);
+
+    if (result.IsError()) {
+        return ResultNotFound;
+    }
+
+    if (!database_manager.IsModified()) {
+        return ResultNotUpdated;
+    }
+
+    return database_manager.SaveDatabase();
+}
+
+bool MiiManager::IsBrokenWithClearFlag(DatabaseSessionMetadata& metadata) {
+    const bool is_broken = is_broken_with_clear_flag;
+    if (is_broken_with_clear_flag) {
+        is_broken_with_clear_flag = false;
+        database_manager.Format(metadata);
+        database_manager.SaveDatabase();
+    }
+    return is_broken;
+}
+
+Result MiiManager::DestroyFile(DatabaseSessionMetadata& metadata) {
+    is_broken_with_clear_flag = true;
+    return database_manager.DestroyFile(metadata);
+}
+
+Result MiiManager::DeleteFile() {
+    return database_manager.DeleteFile();
+}
+
+Result MiiManager::Format(DatabaseSessionMetadata& metadata) {
+    database_manager.Format(metadata);
+
+    if (!database_manager.IsModified()) {
+        return ResultNotUpdated;
+    }
+    return database_manager.SaveDatabase();
+}
+
+Result MiiManager::ConvertV3ToCharInfo(CharInfo& out_char_info, const Ver3StoreData& mii_v3) const {
+    if (!mii_v3.IsValid()) {
+        return ResultInvalidCharInfo;
+    }
+
     StoreData store_data{};
     mii_v3.BuildToStoreData(store_data);
+    const auto name = store_data.GetNickname();
+    if (!MiiUtil::IsFontRegionValid(store_data.GetFontRegion(), name.data)) {
+        store_data.SetInvalidName();
+    }
+
     out_char_info.SetFromStoreData(store_data);
+    return ResultSuccess;
+}
+
+Result MiiManager::ConvertCoreDataToCharInfo(CharInfo& out_char_info,
+                                             const CoreData& core_data) const {
+    if (core_data.IsValid() != ValidationResult::NoErrors) {
+        return ResultInvalidCharInfo;
+    }
+
+    StoreData store_data{};
+    store_data.BuildWithCoreData(core_data);
+    const auto name = store_data.GetNickname();
+    if (!MiiUtil::IsFontRegionValid(store_data.GetFontRegion(), name.data)) {
+        store_data.SetInvalidName();
+    }
+
+    out_char_info.SetFromStoreData(store_data);
+    return ResultSuccess;
+}
+
+Result MiiManager::ConvertCharInfoToCoreData(CoreData& out_core_data,
+                                             const CharInfo& char_info) const {
+    if (char_info.Verify() != ValidationResult::NoErrors) {
+        return ResultInvalidCharInfo;
+    }
+
+    out_core_data.BuildFromCharInfo(char_info);
+    const auto name = out_core_data.GetNickname();
+    if (!MiiUtil::IsFontRegionValid(out_core_data.GetFontRegion(), name.data)) {
+        out_core_data.SetNickname(out_core_data.GetInvalidNickname());
+    }
+
+    return ResultSuccess;
+}
+
+Result MiiManager::UpdateLatest(const DatabaseSessionMetadata& metadata, CharInfo& out_char_info,
+                                const CharInfo& char_info, SourceFlag source_flag) const {
+    if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
+        return ResultNotFound;
+    }
+
+    if (metadata.IsInterfaceVersionSupported(1)) {
+        if (char_info.Verify() != ValidationResult::NoErrors) {
+            return ResultInvalidCharInfo;
+        }
+    }
+
+    u32 index{};
+    Result result = database_manager.FindIndex(metadata, index, char_info.GetCreateId());
+
+    if (result.IsError()) {
+        return result;
+    }
+
+    StoreData store_data{};
+    database_manager.Get(store_data, index, metadata);
+
+    if (store_data.GetType() != char_info.GetType()) {
+        return ResultNotFound;
+    }
+
+    out_char_info.SetFromStoreData(store_data);
+
+    if (char_info == out_char_info) {
+        return ResultNotUpdated;
+    }
+
+    return ResultSuccess;
+}
+
+Result MiiManager::UpdateLatest(const DatabaseSessionMetadata& metadata, StoreData& out_store_data,
+                                const StoreData& store_data, SourceFlag source_flag) const {
+    if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
+        return ResultNotFound;
+    }
+
+    if (metadata.IsInterfaceVersionSupported(1)) {
+        if (store_data.IsValid() != ValidationResult::NoErrors) {
+            return ResultInvalidCharInfo;
+        }
+    }
+
+    u32 index{};
+    Result result = database_manager.FindIndex(metadata, index, store_data.GetCreateId());
+
+    if (result.IsError()) {
+        return result;
+    }
+
+    database_manager.Get(out_store_data, index, metadata);
+
+    if (out_store_data.GetType() != store_data.GetType()) {
+        return ResultNotFound;
+    }
+
+    if (store_data == out_store_data) {
+        return ResultNotUpdated;
+    }
+
+    return ResultSuccess;
 }
 
 Result MiiManager::Get(const DatabaseSessionMetadata& metadata,
                        std::span<CharInfoElement> out_elements, u32& out_count,
-                       SourceFlag source_flag) {
+                       SourceFlag source_flag) const {
     if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
         return BuildDefault(out_elements, out_count, source_flag);
     }
 
-    // TODO(bunnei): We don't implement the Mii database, so we can't have an entry
+    const auto mii_count = database_manager.GetCount(metadata);
+
+    for (std::size_t index = 0; index < mii_count; ++index) {
+        if (out_elements.size() <= static_cast<std::size_t>(out_count)) {
+            return ResultInvalidArgumentSize;
+        }
+
+        StoreData store_data{};
+        database_manager.Get(store_data, index, metadata);
+
+        out_elements[out_count].source = Source::Database;
+        out_elements[out_count].char_info.SetFromStoreData(store_data);
+        out_count++;
+    }
 
     // Include default Mii at the end of the list
     return BuildDefault(out_elements, out_count, source_flag);
 }
 
 Result MiiManager::Get(const DatabaseSessionMetadata& metadata, std::span<CharInfo> out_char_info,
-                       u32& out_count, SourceFlag source_flag) {
+                       u32& out_count, SourceFlag source_flag) const {
     if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
         return BuildDefault(out_char_info, out_count, source_flag);
     }
 
-    // TODO(bunnei): We don't implement the Mii database, so we can't have an entry
+    const auto mii_count = database_manager.GetCount(metadata);
+
+    for (std::size_t index = 0; index < mii_count; ++index) {
+        if (out_char_info.size() <= static_cast<std::size_t>(out_count)) {
+            return ResultInvalidArgumentSize;
+        }
+
+        StoreData store_data{};
+        database_manager.Get(store_data, index, metadata);
+
+        out_char_info[out_count].SetFromStoreData(store_data);
+        out_count++;
+    }
 
     // Include default Mii at the end of the list
     return BuildDefault(out_char_info, out_count, source_flag);
 }
 
+Result MiiManager::Get(const DatabaseSessionMetadata& metadata,
+                       std::span<StoreDataElement> out_elements, u32& out_count,
+                       SourceFlag source_flag) const {
+    if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
+        return BuildDefault(out_elements, out_count, source_flag);
+    }
+
+    const auto mii_count = database_manager.GetCount(metadata);
+
+    for (std::size_t index = 0; index < mii_count; ++index) {
+        if (out_elements.size() <= static_cast<std::size_t>(out_count)) {
+            return ResultInvalidArgumentSize;
+        }
+
+        StoreData store_data{};
+        database_manager.Get(store_data, index, metadata);
+
+        out_elements[out_count].store_data = store_data;
+        out_elements[out_count].source = Source::Database;
+        out_count++;
+    }
+
+    // Include default Mii at the end of the list
+    return BuildDefault(out_elements, out_count, source_flag);
+}
+
+Result MiiManager::Get(const DatabaseSessionMetadata& metadata, std::span<StoreData> out_store_data,
+                       u32& out_count, SourceFlag source_flag) const {
+    if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
+        return BuildDefault(out_store_data, out_count, source_flag);
+    }
+
+    const auto mii_count = database_manager.GetCount(metadata);
+
+    for (std::size_t index = 0; index < mii_count; ++index) {
+        if (out_store_data.size() <= static_cast<std::size_t>(out_count)) {
+            return ResultInvalidArgumentSize;
+        }
+
+        StoreData store_data{};
+        database_manager.Get(store_data, index, metadata);
+
+        out_store_data[out_count] = store_data;
+        out_count++;
+    }
+
+    // Include default Mii at the end of the list
+    return BuildDefault(out_store_data, out_count, source_flag);
+}
 Result MiiManager::BuildDefault(std::span<CharInfoElement> out_elements, u32& out_count,
-                                SourceFlag source_flag) {
+                                SourceFlag source_flag) const {
     if ((source_flag & SourceFlag::Default) == SourceFlag::None) {
         return ResultSuccess;
     }
@@ -129,7 +425,7 @@ Result MiiManager::BuildDefault(std::span<CharInfoElement> out_elements, u32& ou
 }
 
 Result MiiManager::BuildDefault(std::span<CharInfo> out_char_info, u32& out_count,
-                                SourceFlag source_flag) {
+                                SourceFlag source_flag) const {
     if ((source_flag & SourceFlag::Default) == SourceFlag::None) {
         return ResultSuccess;
     }
@@ -150,23 +446,41 @@ Result MiiManager::BuildDefault(std::span<CharInfo> out_char_info, u32& out_coun
     return ResultSuccess;
 }
 
-Result MiiManager::GetIndex(const DatabaseSessionMetadata& metadata, const CharInfo& char_info,
-                            s32& out_index) {
-
-    if (char_info.Verify() != ValidationResult::NoErrors) {
-        return ResultInvalidCharInfo;
+Result MiiManager::BuildDefault(std::span<StoreDataElement> out_elements, u32& out_count,
+                                SourceFlag source_flag) const {
+    if ((source_flag & SourceFlag::Default) == SourceFlag::None) {
+        return ResultSuccess;
     }
 
-    constexpr u32 INVALID_INDEX{0xFFFFFFFF};
+    for (std::size_t index = 0; index < DefaultMiiCount; ++index) {
+        if (out_elements.size() <= static_cast<std::size_t>(out_count)) {
+            return ResultInvalidArgumentSize;
+        }
 
-    out_index = INVALID_INDEX;
+        out_elements[out_count].store_data.BuildDefault(static_cast<u32>(index));
+        out_elements[out_count].source = Source::Default;
+        out_count++;
+    }
 
-    // TODO(bunnei): We don't implement the Mii database, so we can't have an index
-    return ResultNotFound;
+    return ResultSuccess;
 }
 
-void MiiManager::SetInterfaceVersion(DatabaseSessionMetadata& metadata, u32 version) {
-    metadata.interface_version = version;
+Result MiiManager::BuildDefault(std::span<StoreData> out_char_info, u32& out_count,
+                                SourceFlag source_flag) const {
+    if ((source_flag & SourceFlag::Default) == SourceFlag::None) {
+        return ResultSuccess;
+    }
+
+    for (std::size_t index = 0; index < DefaultMiiCount; ++index) {
+        if (out_char_info.size() <= static_cast<std::size_t>(out_count)) {
+            return ResultInvalidArgumentSize;
+        }
+
+        out_char_info[out_count].BuildDefault(static_cast<u32>(index));
+        out_count++;
+    }
+
+    return ResultSuccess;
 }
 
 } // namespace Service::Mii

src/core/hle/service/mii/mii_manager.h

@@ -3,47 +3,85 @@
 
 #pragma once
 
-#include <vector>
+#include <span>
 
 #include "core/hle/result.h"
+#include "core/hle/service/mii/mii_database_manager.h"
 #include "core/hle/service/mii/mii_types.h"
-#include "core/hle/service/mii/types/char_info.h"
-#include "core/hle/service/mii/types/store_data.h"
-#include "core/hle/service/mii/types/ver3_store_data.h"
 
 namespace Service::Mii {
+class CharInfo;
+class CoreData;
+class StoreData;
+class Ver3StoreData;
 
-// The Mii manager is responsible for loading and storing the Miis to the database in NAND along
-// with providing an easy interface for HLE emulation of the mii service.
+struct CharInfoElement;
+struct StoreDataElement;
+
+// The Mii manager is responsible for handling mii operations along with providing an easy interface
+// for HLE emulation of the mii service.
 class MiiManager {
 public:
     MiiManager();
+    Result Initialize(DatabaseSessionMetadata& metadata);
 
-    bool IsUpdated(DatabaseSessionMetadata& metadata, SourceFlag source_flag) const;
-
-    bool IsFullDatabase() const;
-    u32 GetCount(const DatabaseSessionMetadata& metadata, SourceFlag source_flag) const;
-    Result UpdateLatest(DatabaseSessionMetadata& metadata, CharInfo& out_char_info,
-                        const CharInfo& char_info, SourceFlag source_flag);
-    Result Get(const DatabaseSessionMetadata& metadata, std::span<CharInfoElement> out_elements,
-               u32& out_count, SourceFlag source_flag);
-    Result Get(const DatabaseSessionMetadata& metadata, std::span<CharInfo> out_char_info,
-               u32& out_count, SourceFlag source_flag);
+    // Auto generated mii
     void BuildDefault(CharInfo& out_char_info, u32 index) const;
     void BuildBase(CharInfo& out_char_info, Gender gender) const;
     void BuildRandom(CharInfo& out_char_info, Age age, Gender gender, Race race) const;
-    void ConvertV3ToCharInfo(CharInfo& out_char_info, const Ver3StoreData& mii_v3) const;
-    std::vector<CharInfoElement> GetDefault(SourceFlag source_flag);
+
+    // Database operations
+    bool IsFullDatabase() const;
+    void SetInterfaceVersion(DatabaseSessionMetadata& metadata, u32 version) const;
+    bool IsUpdated(DatabaseSessionMetadata& metadata, SourceFlag source_flag) const;
+    u32 GetCount(const DatabaseSessionMetadata& metadata, SourceFlag source_flag) const;
+    Result Move(DatabaseSessionMetadata& metadata, u32 index, const Common::UUID& create_id);
+    Result AddOrReplace(DatabaseSessionMetadata& metadata, const StoreData& store_data);
+    Result Delete(DatabaseSessionMetadata& metadata, const Common::UUID& create_id);
+    s32 FindIndex(const Common::UUID& create_id, bool is_special) const;
     Result GetIndex(const DatabaseSessionMetadata& metadata, const CharInfo& char_info,
-                    s32& out_index);
-    void SetInterfaceVersion(DatabaseSessionMetadata& metadata, u32 version);
+                    s32& out_index) const;
+    Result Append(DatabaseSessionMetadata& metadata, const CharInfo& char_info);
+
+    // Test database operations
+    bool IsBrokenWithClearFlag(DatabaseSessionMetadata& metadata);
+    Result DestroyFile(DatabaseSessionMetadata& metadata);
+    Result DeleteFile();
+    Result Format(DatabaseSessionMetadata& metadata);
+
+    // Mii conversions
+    Result ConvertV3ToCharInfo(CharInfo& out_char_info, const Ver3StoreData& mii_v3) const;
+    Result ConvertCoreDataToCharInfo(CharInfo& out_char_info, const CoreData& core_data) const;
+    Result ConvertCharInfoToCoreData(CoreData& out_core_data, const CharInfo& char_info) const;
+    Result UpdateLatest(const DatabaseSessionMetadata& metadata, CharInfo& out_char_info,
+                        const CharInfo& char_info, SourceFlag source_flag) const;
+    Result UpdateLatest(const DatabaseSessionMetadata& metadata, StoreData& out_store_data,
+                        const StoreData& store_data, SourceFlag source_flag) const;
+
+    // Overloaded getters
+    Result Get(const DatabaseSessionMetadata& metadata, std::span<CharInfoElement> out_elements,
+               u32& out_count, SourceFlag source_flag) const;
+    Result Get(const DatabaseSessionMetadata& metadata, std::span<CharInfo> out_char_info,
+               u32& out_count, SourceFlag source_flag) const;
+    Result Get(const DatabaseSessionMetadata& metadata, std::span<StoreDataElement> out_elements,
+               u32& out_count, SourceFlag source_flag) const;
+    Result Get(const DatabaseSessionMetadata& metadata, std::span<StoreData> out_store_data,
+               u32& out_count, SourceFlag source_flag) const;
 
 private:
     Result BuildDefault(std::span<CharInfoElement> out_elements, u32& out_count,
-                        SourceFlag source_flag);
-    Result BuildDefault(std::span<CharInfo> out_char_info, u32& out_count, SourceFlag source_flag);
+                        SourceFlag source_flag) const;
+    Result BuildDefault(std::span<CharInfo> out_char_info, u32& out_count,
+                        SourceFlag source_flag) const;
+    Result BuildDefault(std::span<StoreDataElement> out_char_info, u32& out_count,
+                        SourceFlag source_flag) const;
+    Result BuildDefault(std::span<StoreData> out_char_info, u32& out_count,
+                        SourceFlag source_flag) const;
 
-    u64 update_counter{};
+    DatabaseManager database_manager{};
+
+    // This should be a global value
+    bool is_broken_with_clear_flag{};
 };
 
 }; // namespace Service::Mii

src/core/hle/service/mii/mii_result.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
@@ -13,8 +13,15 @@ constexpr Result ResultNotUpdated{ErrorModule::Mii, 3};
 constexpr Result ResultNotFound{ErrorModule::Mii, 4};
 constexpr Result ResultDatabaseFull{ErrorModule::Mii, 5};
 constexpr Result ResultInvalidCharInfo{ErrorModule::Mii, 100};
+constexpr Result ResultInvalidDatabaseChecksum{ErrorModule::Mii, 101};
+constexpr Result ResultInvalidDatabaseSignature{ErrorModule::Mii, 103};
+constexpr Result ResultInvalidDatabaseVersion{ErrorModule::Mii, 104};
+constexpr Result ResultInvalidDatabaseLength{ErrorModule::Mii, 105};
+constexpr Result ResultInvalidCharInfo2{ErrorModule::Mii, 107};
 constexpr Result ResultInvalidStoreData{ErrorModule::Mii, 109};
 constexpr Result ResultInvalidOperation{ErrorModule::Mii, 202};
 constexpr Result ResultPermissionDenied{ErrorModule::Mii, 203};
+constexpr Result ResultTestModeOnly{ErrorModule::Mii, 204};
+constexpr Result ResultInvalidCharInfoType{ErrorModule::Mii, 205};
 
 }; // namespace Service::Mii

src/core/hle/service/mii/mii_types.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
@@ -13,6 +13,7 @@
 
 namespace Service::Mii {
 
+constexpr std::size_t MaxNameSize = 10;
 constexpr u8 MaxHeight = 127;
 constexpr u8 MaxBuild = 127;
 constexpr u8 MaxType = 1;
@@ -26,14 +27,14 @@ constexpr u8 MaxEyebrowScale = 8;
 constexpr u8 MaxEyebrowAspect = 6;
 constexpr u8 MaxEyebrowRotate = 11;
 constexpr u8 MaxEyebrowX = 12;
-constexpr u8 MaxEyebrowY = 18;
+constexpr u8 MaxEyebrowY = 15;
 constexpr u8 MaxNoseScale = 8;
 constexpr u8 MaxNoseY = 18;
 constexpr u8 MaxMouthScale = 8;
 constexpr u8 MaxMoutAspect = 6;
 constexpr u8 MaxMouthY = 18;
 constexpr u8 MaxMustacheScale = 8;
-constexpr u8 MasMustacheY = 16;
+constexpr u8 MaxMustacheY = 16;
 constexpr u8 MaxGlassScale = 7;
 constexpr u8 MaxGlassY = 20;
 constexpr u8 MaxMoleScale = 8;
@@ -599,12 +600,12 @@ enum class ValidationResult : u32 {
     InvalidRegionMove = 0x31,
     InvalidCreateId = 0x32,
     InvalidName = 0x33,
+    InvalidChecksum = 0x34,
     InvalidType = 0x35,
 };
 
 struct Nickname {
-    static constexpr std::size_t MaxNameSize = 10;
-    std::array<char16_t, MaxNameSize> data;
+    std::array<char16_t, MaxNameSize> data{};
 
     // Checks for null or dirty strings
     bool IsValid() const {

src/core/hle/service/mii/mii_util.h

@@ -28,6 +28,32 @@ public:
         return Common::swap16(static_cast<u16>(crc));
     }
 
+    static u16 CalculateDeviceCrc16(const Common::UUID& uuid, std::size_t data_size) {
+        constexpr u16 magic{0x1021};
+        s32 crc{};
+
+        for (std::size_t i = 0; i < uuid.uuid.size(); i++) {
+            for (std::size_t j = 0; j < 8; j++) {
+                crc <<= 1;
+                if ((crc & 0x10000) != 0) {
+                    crc = crc ^ magic;
+                }
+            }
+            crc ^= uuid.uuid[i];
+        }
+
+        // As much as this looks wrong this is what N's does
+
+        for (std::size_t i = 0; i < data_size * 8; i++) {
+            crc <<= 1;
+            if ((crc & 0x10000) != 0) {
+                crc = crc ^ magic;
+            }
+        }
+
+        return Common::swap16(static_cast<u16>(crc));
+    }
+
     static Common::UUID MakeCreateId() {
         return Common::UUID::MakeRandomRFC4122V4();
     }

src/core/hle/service/mii/types/char_info.cpp

@@ -150,7 +150,7 @@ ValidationResult CharInfo::Verify() const {
     if (eyebrow_x > MaxEyebrowX) {
         return ValidationResult::InvalidEyebrowX;
     }
-    if (eyebrow_y > MaxEyebrowY) {
+    if (eyebrow_y - 3 > MaxEyebrowY) {
         return ValidationResult::InvalidEyebrowY;
     }
     if (nose_type > NoseType::Max) {
@@ -189,7 +189,7 @@ ValidationResult CharInfo::Verify() const {
     if (mustache_scale > MaxMustacheScale) {
         return ValidationResult::InvalidMustacheScale;
     }
-    if (mustache_y > MasMustacheY) {
+    if (mustache_y > MaxMustacheY) {
         return ValidationResult::InvalidMustacheY;
     }
     if (glass_type > GlassType::Max) {

src/core/hle/service/mii/types/char_info.h

@@ -70,59 +70,59 @@ public:
     bool operator==(const CharInfo& info);
 
 private:
-    Common::UUID create_id;
-    Nickname name;
-    u16 null_terminator;
-    FontRegion font_region;
-    FavoriteColor favorite_color;
-    Gender gender;
-    u8 height;
-    u8 build;
-    u8 type;
-    u8 region_move;
-    FacelineType faceline_type;
-    FacelineColor faceline_color;
-    FacelineWrinkle faceline_wrinkle;
-    FacelineMake faceline_make;
-    HairType hair_type;
-    CommonColor hair_color;
-    HairFlip hair_flip;
-    EyeType eye_type;
-    CommonColor eye_color;
-    u8 eye_scale;
-    u8 eye_aspect;
-    u8 eye_rotate;
-    u8 eye_x;
-    u8 eye_y;
-    EyebrowType eyebrow_type;
-    CommonColor eyebrow_color;
-    u8 eyebrow_scale;
-    u8 eyebrow_aspect;
-    u8 eyebrow_rotate;
-    u8 eyebrow_x;
-    u8 eyebrow_y;
-    NoseType nose_type;
-    u8 nose_scale;
-    u8 nose_y;
-    MouthType mouth_type;
-    CommonColor mouth_color;
-    u8 mouth_scale;
-    u8 mouth_aspect;
-    u8 mouth_y;
-    CommonColor beard_color;
-    BeardType beard_type;
-    MustacheType mustache_type;
-    u8 mustache_scale;
-    u8 mustache_y;
-    GlassType glass_type;
-    CommonColor glass_color;
-    u8 glass_scale;
-    u8 glass_y;
-    MoleType mole_type;
-    u8 mole_scale;
-    u8 mole_x;
-    u8 mole_y;
-    u8 padding;
+    Common::UUID create_id{};
+    Nickname name{};
+    u16 null_terminator{};
+    FontRegion font_region{};
+    FavoriteColor favorite_color{};
+    Gender gender{};
+    u8 height{};
+    u8 build{};
+    u8 type{};
+    u8 region_move{};
+    FacelineType faceline_type{};
+    FacelineColor faceline_color{};
+    FacelineWrinkle faceline_wrinkle{};
+    FacelineMake faceline_make{};
+    HairType hair_type{};
+    CommonColor hair_color{};
+    HairFlip hair_flip{};
+    EyeType eye_type{};
+    CommonColor eye_color{};
+    u8 eye_scale{};
+    u8 eye_aspect{};
+    u8 eye_rotate{};
+    u8 eye_x{};
+    u8 eye_y{};
+    EyebrowType eyebrow_type{};
+    CommonColor eyebrow_color{};
+    u8 eyebrow_scale{};
+    u8 eyebrow_aspect{};
+    u8 eyebrow_rotate{};
+    u8 eyebrow_x{};
+    u8 eyebrow_y{};
+    NoseType nose_type{};
+    u8 nose_scale{};
+    u8 nose_y{};
+    MouthType mouth_type{};
+    CommonColor mouth_color{};
+    u8 mouth_scale{};
+    u8 mouth_aspect{};
+    u8 mouth_y{};
+    CommonColor beard_color{};
+    BeardType beard_type{};
+    MustacheType mustache_type{};
+    u8 mustache_scale{};
+    u8 mustache_y{};
+    GlassType glass_type{};
+    CommonColor glass_color{};
+    u8 glass_scale{};
+    u8 glass_y{};
+    MoleType mole_type{};
+    u8 mole_scale{};
+    u8 mole_x{};
+    u8 mole_y{};
+    u8 padding{};
 };
 static_assert(sizeof(CharInfo) == 0x58, "CharInfo has incorrect size.");
 static_assert(std::has_unique_object_representations_v<CharInfo>,

src/core/hle/service/mii/types/core_data.cpp

@@ -3,6 +3,7 @@
 
 #include "common/assert.h"
 #include "core/hle/service/mii/mii_util.h"
+#include "core/hle/service/mii/types/char_info.h"
 #include "core/hle/service/mii/types/core_data.h"
 #include "core/hle/service/mii/types/raw_data.h"
 
@@ -170,7 +171,7 @@ void CoreData::BuildRandom(Age age, Gender gender, Race race) {
     u8 glasses_type{};
     while (glasses_type_start < glasses_type_info.values[glasses_type]) {
         if (++glasses_type >= glasses_type_info.values_count) {
-            ASSERT(false);
+            glasses_type = 0;
             break;
         }
     }
@@ -178,6 +179,7 @@ void CoreData::BuildRandom(Age age, Gender gender, Race race) {
     SetGlassType(static_cast<GlassType>(glasses_type));
     SetGlassColor(RawData::GetGlassColorFromVer3(0));
     SetGlassScale(4);
+    SetGlassY(static_cast<u8>(axis_y + 10));
 
     SetMoleType(MoleType::None);
     SetMoleScale(4);
@@ -185,9 +187,211 @@ void CoreData::BuildRandom(Age age, Gender gender, Race race) {
     SetMoleY(20);
 }
 
-u32 CoreData::IsValid() const {
-    // TODO: Complete this
-    return 0;
+void CoreData::BuildFromCharInfo(const CharInfo& char_info) {
+    name = char_info.GetNickname();
+    SetFontRegion(char_info.GetFontRegion());
+    SetFavoriteColor(char_info.GetFavoriteColor());
+    SetGender(char_info.GetGender());
+    SetHeight(char_info.GetHeight());
+    SetBuild(char_info.GetBuild());
+    SetType(char_info.GetType());
+    SetRegionMove(char_info.GetRegionMove());
+    SetFacelineType(char_info.GetFacelineType());
+    SetFacelineColor(char_info.GetFacelineColor());
+    SetFacelineWrinkle(char_info.GetFacelineWrinkle());
+    SetFacelineMake(char_info.GetFacelineMake());
+    SetHairType(char_info.GetHairType());
+    SetHairColor(char_info.GetHairColor());
+    SetHairFlip(char_info.GetHairFlip());
+    SetEyeType(char_info.GetEyeType());
+    SetEyeColor(char_info.GetEyeColor());
+    SetEyeScale(char_info.GetEyeScale());
+    SetEyeAspect(char_info.GetEyeAspect());
+    SetEyeRotate(char_info.GetEyeRotate());
+    SetEyeX(char_info.GetEyeX());
+    SetEyeY(char_info.GetEyeY());
+    SetEyebrowType(char_info.GetEyebrowType());
+    SetEyebrowColor(char_info.GetEyebrowColor());
+    SetEyebrowScale(char_info.GetEyebrowScale());
+    SetEyebrowAspect(char_info.GetEyebrowAspect());
+    SetEyebrowRotate(char_info.GetEyebrowRotate());
+    SetEyebrowX(char_info.GetEyebrowX());
+    SetEyebrowY(char_info.GetEyebrowY() - 3);
+    SetNoseType(char_info.GetNoseType());
+    SetNoseScale(char_info.GetNoseScale());
+    SetNoseY(char_info.GetNoseY());
+    SetMouthType(char_info.GetMouthType());
+    SetMouthColor(char_info.GetMouthColor());
+    SetMouthScale(char_info.GetMouthScale());
+    SetMouthAspect(char_info.GetMouthAspect());
+    SetMouthY(char_info.GetMouthY());
+    SetBeardColor(char_info.GetBeardColor());
+    SetBeardType(char_info.GetBeardType());
+    SetMustacheType(char_info.GetMustacheType());
+    SetMustacheScale(char_info.GetMustacheScale());
+    SetMustacheY(char_info.GetMustacheY());
+    SetGlassType(char_info.GetGlassType());
+    SetGlassColor(char_info.GetGlassColor());
+    SetGlassScale(char_info.GetGlassScale());
+    SetGlassY(char_info.GetGlassY());
+    SetMoleType(char_info.GetMoleType());
+    SetMoleScale(char_info.GetMoleScale());
+    SetMoleX(char_info.GetMoleX());
+    SetMoleY(char_info.GetMoleY());
+}
+
+ValidationResult CoreData::IsValid() const {
+    if (!name.IsValid()) {
+        return ValidationResult::InvalidName;
+    }
+    if (GetFontRegion() > FontRegion::Max) {
+        return ValidationResult::InvalidFont;
+    }
+    if (GetFavoriteColor() > FavoriteColor::Max) {
+        return ValidationResult::InvalidColor;
+    }
+    if (GetGender() > Gender::Max) {
+        return ValidationResult::InvalidGender;
+    }
+    if (GetHeight() > MaxHeight) {
+        return ValidationResult::InvalidHeight;
+    }
+    if (GetBuild() > MaxBuild) {
+        return ValidationResult::InvalidBuild;
+    }
+    if (GetType() > MaxType) {
+        return ValidationResult::InvalidType;
+    }
+    if (GetRegionMove() > MaxRegionMove) {
+        return ValidationResult::InvalidRegionMove;
+    }
+    if (GetFacelineType() > FacelineType::Max) {
+        return ValidationResult::InvalidFacelineType;
+    }
+    if (GetFacelineColor() > FacelineColor::Max) {
+        return ValidationResult::InvalidFacelineColor;
+    }
+    if (GetFacelineWrinkle() > FacelineWrinkle::Max) {
+        return ValidationResult::InvalidFacelineWrinkle;
+    }
+    if (GetFacelineMake() > FacelineMake::Max) {
+        return ValidationResult::InvalidFacelineMake;
+    }
+    if (GetHairType() > HairType::Max) {
+        return ValidationResult::InvalidHairType;
+    }
+    if (GetHairColor() > CommonColor::Max) {
+        return ValidationResult::InvalidHairColor;
+    }
+    if (GetHairFlip() > HairFlip::Max) {
+        return ValidationResult::InvalidHairFlip;
+    }
+    if (GetEyeType() > EyeType::Max) {
+        return ValidationResult::InvalidEyeType;
+    }
+    if (GetEyeColor() > CommonColor::Max) {
+        return ValidationResult::InvalidEyeColor;
+    }
+    if (GetEyeScale() > MaxEyeScale) {
+        return ValidationResult::InvalidEyeScale;
+    }
+    if (GetEyeAspect() > MaxEyeAspect) {
+        return ValidationResult::InvalidEyeAspect;
+    }
+    if (GetEyeRotate() > MaxEyeRotate) {
+        return ValidationResult::InvalidEyeRotate;
+    }
+    if (GetEyeX() > MaxEyeX) {
+        return ValidationResult::InvalidEyeX;
+    }
+    if (GetEyeY() > MaxEyeY) {
+        return ValidationResult::InvalidEyeY;
+    }
+    if (GetEyebrowType() > EyebrowType::Max) {
+        return ValidationResult::InvalidEyebrowType;
+    }
+    if (GetEyebrowColor() > CommonColor::Max) {
+        return ValidationResult::InvalidEyebrowColor;
+    }
+    if (GetEyebrowScale() > MaxEyebrowScale) {
+        return ValidationResult::InvalidEyebrowScale;
+    }
+    if (GetEyebrowAspect() > MaxEyebrowAspect) {
+        return ValidationResult::InvalidEyebrowAspect;
+    }
+    if (GetEyebrowRotate() > MaxEyebrowRotate) {
+        return ValidationResult::InvalidEyebrowRotate;
+    }
+    if (GetEyebrowX() > MaxEyebrowX) {
+        return ValidationResult::InvalidEyebrowX;
+    }
+    if (GetEyebrowY() > MaxEyebrowY) {
+        return ValidationResult::InvalidEyebrowY;
+    }
+    if (GetNoseType() > NoseType::Max) {
+        return ValidationResult::InvalidNoseType;
+    }
+    if (GetNoseScale() > MaxNoseScale) {
+        return ValidationResult::InvalidNoseScale;
+    }
+    if (GetNoseY() > MaxNoseY) {
+        return ValidationResult::InvalidNoseY;
+    }
+    if (GetMouthType() > MouthType::Max) {
+        return ValidationResult::InvalidMouthType;
+    }
+    if (GetMouthColor() > CommonColor::Max) {
+        return ValidationResult::InvalidMouthColor;
+    }
+    if (GetMouthScale() > MaxMouthScale) {
+        return ValidationResult::InvalidMouthScale;
+    }
+    if (GetMouthAspect() > MaxMoutAspect) {
+        return ValidationResult::InvalidMouthAspect;
+    }
+    if (GetMouthY() > MaxMouthY) {
+        return ValidationResult::InvalidMouthY;
+    }
+    if (GetBeardColor() > CommonColor::Max) {
+        return ValidationResult::InvalidBeardColor;
+    }
+    if (GetBeardType() > BeardType::Max) {
+        return ValidationResult::InvalidBeardType;
+    }
+    if (GetMustacheType() > MustacheType::Max) {
+        return ValidationResult::InvalidMustacheType;
+    }
+    if (GetMustacheScale() > MaxMustacheScale) {
+        return ValidationResult::InvalidMustacheScale;
+    }
+    if (GetMustacheY() > MaxMustacheY) {
+        return ValidationResult::InvalidMustacheY;
+    }
+    if (GetGlassType() > GlassType::Max) {
+        return ValidationResult::InvalidGlassType;
+    }
+    if (GetGlassColor() > CommonColor::Max) {
+        return ValidationResult::InvalidGlassColor;
+    }
+    if (GetGlassScale() > MaxGlassScale) {
+        return ValidationResult::InvalidGlassScale;
+    }
+    if (GetGlassY() > MaxGlassY) {
+        return ValidationResult::InvalidGlassY;
+    }
+    if (GetMoleType() > MoleType::Max) {
+        return ValidationResult::InvalidMoleType;
+    }
+    if (GetMoleScale() > MaxMoleScale) {
+        return ValidationResult::InvalidMoleScale;
+    }
+    if (GetMoleX() > MaxMoleX) {
+        return ValidationResult::InvalidMoleX;
+    }
+    if (GetMoleY() > MaxMoleY) {
+        return ValidationResult::InvalidMoleY;
+    }
+    return ValidationResult::NoErrors;
 }
 
 void CoreData::SetFontRegion(FontRegion value) {
@@ -314,8 +518,8 @@ void CoreData::SetNoseY(u8 value) {
     data.nose_y.Assign(value);
 }
 
-void CoreData::SetMouthType(u8 value) {
-    data.mouth_type.Assign(value);
+void CoreData::SetMouthType(MouthType value) {
+    data.mouth_type.Assign(static_cast<u32>(value));
 }
 
 void CoreData::SetMouthColor(CommonColor value) {

src/core/hle/service/mii/types/core_data.h

@@ -6,6 +6,7 @@
 #include "core/hle/service/mii/mii_types.h"
 
 namespace Service::Mii {
+class CharInfo;
 
 struct StoreDataBitFields {
     union {
@@ -100,8 +101,9 @@ class CoreData {
 public:
     void SetDefault();
     void BuildRandom(Age age, Gender gender, Race race);
+    void BuildFromCharInfo(const CharInfo& char_info);
 
-    u32 IsValid() const;
+    ValidationResult IsValid() const;
 
     void SetFontRegion(FontRegion value);
     void SetFavoriteColor(FavoriteColor value);
@@ -134,7 +136,7 @@ public:
     void SetNoseType(NoseType value);
     void SetNoseScale(u8 value);
     void SetNoseY(u8 value);
-    void SetMouthType(u8 value);
+    void SetMouthType(MouthType value);
     void SetMouthColor(CommonColor value);
     void SetMouthScale(u8 value);
     void SetMouthAspect(u8 value);
@@ -212,5 +214,6 @@ private:
     Nickname name{};
 };
 static_assert(sizeof(CoreData) == 0x30, "CoreData has incorrect size.");
+static_assert(std::is_trivially_copyable_v<CoreData>, "CoreData type must be trivially copyable.");
 
 }; // namespace Service::Mii

src/core/hle/service/mii/types/raw_data.cpp

@@ -1716,18 +1716,18 @@ const std::array<RandomMiiData4, 18> RandomMiiMouthType{
 const std::array<RandomMiiData2, 3> RandomMiiGlassType{
     RandomMiiData2{
         .arg_1 = 0,
-        .values_count = 9,
-        .values = {90, 94, 96, 100, 0, 0, 0, 0, 0},
+        .values_count = 4,
+        .values = {90, 94, 96, 100},
     },
     RandomMiiData2{
         .arg_1 = 1,
-        .values_count = 9,
-        .values = {83, 86, 90, 93, 94, 96, 98, 100, 0},
+        .values_count = 8,
+        .values = {83, 86, 90, 93, 94, 96, 98, 100},
     },
     RandomMiiData2{
         .arg_1 = 2,
-        .values_count = 9,
-        .values = {78, 83, 0, 93, 0, 0, 98, 100, 0},
+        .values_count = 8,
+        .values = {78, 83, 0, 93, 0, 0, 98, 100},
     },
 };
 

src/core/hle/service/mii/types/store_data.cpp

@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include "core/hle/service/mii/mii_result.h"
 #include "core/hle/service/mii/mii_util.h"
 #include "core/hle/service/mii/types/raw_data.h"
 #include "core/hle/service/mii/types/store_data.h"
@@ -35,13 +36,13 @@ void StoreData::BuildDefault(u32 mii_index) {
     core_data.SetEyebrowAspect(static_cast<u8>(default_mii.eyebrow_aspect));
     core_data.SetEyebrowRotate(static_cast<u8>(default_mii.eyebrow_rotate));
     core_data.SetEyebrowX(static_cast<u8>(default_mii.eyebrow_x));
-    core_data.SetEyebrowY(static_cast<u8>(default_mii.eyebrow_y));
+    core_data.SetEyebrowY(static_cast<u8>(default_mii.eyebrow_y - 3));
 
     core_data.SetNoseType(static_cast<NoseType>(default_mii.nose_type));
     core_data.SetNoseScale(static_cast<u8>(default_mii.nose_scale));
     core_data.SetNoseY(static_cast<u8>(default_mii.nose_y));
 
-    core_data.SetMouthType(static_cast<u8>(default_mii.mouth_type));
+    core_data.SetMouthType(static_cast<MouthType>(default_mii.mouth_type));
     core_data.SetMouthColor(
         RawData::GetMouthColorFromVer3(static_cast<u8>(default_mii.mouth_color)));
     core_data.SetMouthScale(static_cast<u8>(default_mii.mouth_scale));
@@ -75,10 +76,8 @@ void StoreData::BuildDefault(u32 mii_index) {
     core_data.SetType(static_cast<u8>(default_mii.type));
     core_data.SetNickname(default_mii.nickname);
 
-    const auto device_id = MiiUtil::GetDeviceId();
     create_id = MiiUtil::MakeCreateId();
-    device_crc = MiiUtil::CalculateCrc16(&device_id, sizeof(Common::UUID));
-    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData));
+    SetChecksum();
 }
 
 void StoreData::BuildBase(Gender gender) {
@@ -109,13 +108,13 @@ void StoreData::BuildBase(Gender gender) {
     core_data.SetEyebrowAspect(static_cast<u8>(default_mii.eyebrow_aspect));
     core_data.SetEyebrowRotate(static_cast<u8>(default_mii.eyebrow_rotate));
     core_data.SetEyebrowX(static_cast<u8>(default_mii.eyebrow_x));
-    core_data.SetEyebrowY(static_cast<u8>(default_mii.eyebrow_y));
+    core_data.SetEyebrowY(static_cast<u8>(default_mii.eyebrow_y - 3));
 
     core_data.SetNoseType(static_cast<NoseType>(default_mii.nose_type));
     core_data.SetNoseScale(static_cast<u8>(default_mii.nose_scale));
     core_data.SetNoseY(static_cast<u8>(default_mii.nose_y));
 
-    core_data.SetMouthType(static_cast<u8>(default_mii.mouth_type));
+    core_data.SetMouthType(static_cast<MouthType>(default_mii.mouth_type));
     core_data.SetMouthColor(
         RawData::GetMouthColorFromVer3(static_cast<u8>(default_mii.mouth_color)));
     core_data.SetMouthScale(static_cast<u8>(default_mii.mouth_scale));
@@ -149,37 +148,51 @@ void StoreData::BuildBase(Gender gender) {
     core_data.SetType(static_cast<u8>(default_mii.type));
     core_data.SetNickname(default_mii.nickname);
 
-    const auto device_id = MiiUtil::GetDeviceId();
     create_id = MiiUtil::MakeCreateId();
-    device_crc = MiiUtil::CalculateCrc16(&device_id, sizeof(Common::UUID));
-    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData));
+    SetChecksum();
 }
 
 void StoreData::BuildRandom(Age age, Gender gender, Race race) {
     core_data.BuildRandom(age, gender, race);
-    const auto device_id = MiiUtil::GetDeviceId();
     create_id = MiiUtil::MakeCreateId();
-    device_crc = MiiUtil::CalculateCrc16(&device_id, sizeof(Common::UUID));
-    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData));
+    SetChecksum();
 }
 
-void StoreData::SetInvalidName() {
-    const auto& invalid_name = core_data.GetInvalidNickname();
+void StoreData::BuildWithCharInfo(const CharInfo& char_info) {
+    core_data.BuildFromCharInfo(char_info);
+    create_id = MiiUtil::MakeCreateId();
+    SetChecksum();
+}
+
+void StoreData::BuildWithCoreData(const CoreData& in_core_data) {
+    core_data = in_core_data;
+    create_id = MiiUtil::MakeCreateId();
+    SetChecksum();
+}
+
+Result StoreData::Restore() {
+    // TODO: Implement this
+    return ResultNotUpdated;
+}
+
+ValidationResult StoreData::IsValid() const {
+    if (core_data.IsValid() != ValidationResult::NoErrors) {
+        return core_data.IsValid();
+    }
+    if (data_crc != MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData) + sizeof(Common::UUID))) {
+        return ValidationResult::InvalidChecksum;
+    }
     const auto device_id = MiiUtil::GetDeviceId();
-    core_data.SetNickname(invalid_name);
-    device_crc = MiiUtil::CalculateCrc16(&device_id, sizeof(Common::UUID));
-    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData));
+    if (device_crc != MiiUtil::CalculateDeviceCrc16(device_id, sizeof(StoreData))) {
+        return ValidationResult::InvalidChecksum;
+    }
+    return ValidationResult::NoErrors;
 }
 
 bool StoreData::IsSpecial() const {
     return GetType() == 1;
 }
 
-u32 StoreData::IsValid() const {
-    // TODO: complete this
-    return 0;
-}
-
 void StoreData::SetFontRegion(FontRegion value) {
     core_data.SetFontRegion(value);
 }
@@ -304,7 +317,7 @@ void StoreData::SetNoseY(u8 value) {
     core_data.SetNoseY(value);
 }
 
-void StoreData::SetMouthType(u8 value) {
+void StoreData::SetMouthType(MouthType value) {
     core_data.SetMouthType(value);
 }
 
@@ -380,6 +393,26 @@ void StoreData::SetNickname(Nickname value) {
     core_data.SetNickname(value);
 }
 
+void StoreData::SetInvalidName() {
+    const auto& invalid_name = core_data.GetInvalidNickname();
+    core_data.SetNickname(invalid_name);
+    SetChecksum();
+}
+
+void StoreData::SetChecksum() {
+    SetDataChecksum();
+    SetDeviceChecksum();
+}
+
+void StoreData::SetDataChecksum() {
+    data_crc = MiiUtil::CalculateCrc16(&core_data, sizeof(CoreData) + sizeof(Common::UUID));
+}
+
+void StoreData::SetDeviceChecksum() {
+    const auto device_id = MiiUtil::GetDeviceId();
+    device_crc = MiiUtil::CalculateDeviceCrc16(device_id, sizeof(StoreData));
+}
+
 Common::UUID StoreData::GetCreateId() const {
     return create_id;
 }
@@ -585,7 +618,7 @@ Nickname StoreData::GetNickname() const {
 }
 
 bool StoreData::operator==(const StoreData& data) {
-    bool is_identical = data.core_data.IsValid() == 0;
+    bool is_identical = data.core_data.IsValid() == ValidationResult::NoErrors;
     is_identical &= core_data.GetNickname().data == data.core_data.GetNickname().data;
     is_identical &= GetCreateId() == data.GetCreateId();
     is_identical &= GetFontRegion() == data.GetFontRegion();

src/core/hle/service/mii/types/store_data.h

@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include "core/hle/result.h"
 #include "core/hle/service/mii/mii_types.h"
 #include "core/hle/service/mii/types/core_data.h"
 
@@ -10,18 +11,17 @@ namespace Service::Mii {
 
 class StoreData {
 public:
-    // nn::mii::detail::StoreDataRaw::BuildDefault
     void BuildDefault(u32 mii_index);
-    // nn::mii::detail::StoreDataRaw::BuildDefault
-
     void BuildBase(Gender gender);
-    // nn::mii::detail::StoreDataRaw::BuildRandom
     void BuildRandom(Age age, Gender gender, Race race);
+    void BuildWithCharInfo(const CharInfo& char_info);
+    void BuildWithCoreData(const CoreData& in_core_data);
+    Result Restore();
+
+    ValidationResult IsValid() const;
 
     bool IsSpecial() const;
 
-    u32 IsValid() const;
-
     void SetFontRegion(FontRegion value);
     void SetFavoriteColor(FavoriteColor value);
     void SetGender(Gender value);
@@ -53,7 +53,7 @@ public:
     void SetNoseType(NoseType value);
     void SetNoseScale(u8 value);
     void SetNoseY(u8 value);
-    void SetMouthType(u8 value);
+    void SetMouthType(MouthType value);
     void SetMouthColor(CommonColor value);
     void SetMouthScale(u8 value);
     void SetMouthAspect(u8 value);
@@ -73,6 +73,9 @@ public:
     void SetMoleY(u8 value);
     void SetNickname(Nickname nickname);
     void SetInvalidName();
+    void SetChecksum();
+    void SetDataChecksum();
+    void SetDeviceChecksum();
 
     Common::UUID GetCreateId() const;
     FontRegion GetFontRegion() const;
@@ -135,6 +138,8 @@ private:
     u16 device_crc{};
 };
 static_assert(sizeof(StoreData) == 0x44, "StoreData has incorrect size.");
+static_assert(std::is_trivially_copyable_v<StoreData>,
+              "StoreData type must be trivially copyable.");
 
 struct StoreDataElement {
     StoreData store_data{};

src/core/hle/service/mii/types/ver3_store_data.cpp

@@ -22,12 +22,6 @@ void NfpStoreDataExtension::SetFromStoreData(const StoreData& store_data) {
 void Ver3StoreData::BuildToStoreData(StoreData& out_store_data) const {
     out_store_data.BuildBase(Gender::Male);
 
-    if (!IsValid()) {
-        return;
-    }
-
-    // TODO: We are ignoring a bunch of data from the mii_v3
-
     out_store_data.SetGender(static_cast<Gender>(mii_information.gender.Value()));
     out_store_data.SetFavoriteColor(
         static_cast<FavoriteColor>(mii_information.favorite_color.Value()));
@@ -36,65 +30,71 @@ void Ver3StoreData::BuildToStoreData(StoreData& out_store_data) const {
 
     out_store_data.SetNickname(mii_name);
     out_store_data.SetFontRegion(
-        static_cast<FontRegion>(static_cast<u8>(region_information.font_region)));
+        static_cast<FontRegion>(static_cast<u8>(region_information.font_region.Value())));
 
     out_store_data.SetFacelineType(
         static_cast<FacelineType>(appearance_bits1.faceline_type.Value()));
     out_store_data.SetFacelineColor(
-        static_cast<FacelineColor>(appearance_bits1.faceline_color.Value()));
+        RawData::GetFacelineColorFromVer3(appearance_bits1.faceline_color.Value()));
     out_store_data.SetFacelineWrinkle(
         static_cast<FacelineWrinkle>(appearance_bits2.faceline_wrinkle.Value()));
     out_store_data.SetFacelineMake(
         static_cast<FacelineMake>(appearance_bits2.faceline_make.Value()));
 
     out_store_data.SetHairType(static_cast<HairType>(hair_type));
-    out_store_data.SetHairColor(static_cast<CommonColor>(appearance_bits3.hair_color.Value()));
+    out_store_data.SetHairColor(RawData::GetHairColorFromVer3(appearance_bits3.hair_color.Value()));
     out_store_data.SetHairFlip(static_cast<HairFlip>(appearance_bits3.hair_flip.Value()));
 
     out_store_data.SetEyeType(static_cast<EyeType>(appearance_bits4.eye_type.Value()));
-    out_store_data.SetEyeColor(static_cast<CommonColor>(appearance_bits4.eye_color.Value()));
-    out_store_data.SetEyeScale(static_cast<u8>(appearance_bits4.eye_scale));
-    out_store_data.SetEyeAspect(static_cast<u8>(appearance_bits4.eye_aspect));
-    out_store_data.SetEyeRotate(static_cast<u8>(appearance_bits4.eye_rotate));
-    out_store_data.SetEyeX(static_cast<u8>(appearance_bits4.eye_x));
-    out_store_data.SetEyeY(static_cast<u8>(appearance_bits4.eye_y));
+    out_store_data.SetEyeColor(RawData::GetEyeColorFromVer3(appearance_bits4.eye_color.Value()));
+    out_store_data.SetEyeScale(static_cast<u8>(appearance_bits4.eye_scale.Value()));
+    out_store_data.SetEyeAspect(static_cast<u8>(appearance_bits4.eye_aspect.Value()));
+    out_store_data.SetEyeRotate(static_cast<u8>(appearance_bits4.eye_rotate.Value()));
+    out_store_data.SetEyeX(static_cast<u8>(appearance_bits4.eye_x.Value()));
+    out_store_data.SetEyeY(static_cast<u8>(appearance_bits4.eye_y.Value()));
 
     out_store_data.SetEyebrowType(static_cast<EyebrowType>(appearance_bits5.eyebrow_type.Value()));
     out_store_data.SetEyebrowColor(
-        static_cast<CommonColor>(appearance_bits5.eyebrow_color.Value()));
-    out_store_data.SetEyebrowScale(static_cast<u8>(appearance_bits5.eyebrow_scale));
-    out_store_data.SetEyebrowAspect(static_cast<u8>(appearance_bits5.eyebrow_aspect));
-    out_store_data.SetEyebrowRotate(static_cast<u8>(appearance_bits5.eyebrow_rotate));
-    out_store_data.SetEyebrowX(static_cast<u8>(appearance_bits5.eyebrow_x));
-    out_store_data.SetEyebrowY(static_cast<u8>(appearance_bits5.eyebrow_y));
+        RawData::GetHairColorFromVer3(appearance_bits5.eyebrow_color.Value()));
+    out_store_data.SetEyebrowScale(static_cast<u8>(appearance_bits5.eyebrow_scale.Value()));
+    out_store_data.SetEyebrowAspect(static_cast<u8>(appearance_bits5.eyebrow_aspect.Value()));
+    out_store_data.SetEyebrowRotate(static_cast<u8>(appearance_bits5.eyebrow_rotate.Value()));
+    out_store_data.SetEyebrowX(static_cast<u8>(appearance_bits5.eyebrow_x.Value()));
+    out_store_data.SetEyebrowY(static_cast<u8>(appearance_bits5.eyebrow_y.Value() - 3));
 
     out_store_data.SetNoseType(static_cast<NoseType>(appearance_bits6.nose_type.Value()));
-    out_store_data.SetNoseScale(static_cast<u8>(appearance_bits6.nose_scale));
-    out_store_data.SetNoseY(static_cast<u8>(appearance_bits6.nose_y));
+    out_store_data.SetNoseScale(static_cast<u8>(appearance_bits6.nose_scale.Value()));
+    out_store_data.SetNoseY(static_cast<u8>(appearance_bits6.nose_y.Value()));
 
-    out_store_data.SetMouthType(static_cast<u8>(appearance_bits7.mouth_type));
-    out_store_data.SetMouthColor(static_cast<CommonColor>(appearance_bits7.mouth_color.Value()));
-    out_store_data.SetMouthScale(static_cast<u8>(appearance_bits7.mouth_scale));
-    out_store_data.SetMouthAspect(static_cast<u8>(appearance_bits7.mouth_aspect));
-    out_store_data.SetMouthY(static_cast<u8>(appearance_bits8.mouth_y));
+    out_store_data.SetMouthType(static_cast<MouthType>(appearance_bits7.mouth_type.Value()));
+    out_store_data.SetMouthColor(
+        RawData::GetMouthColorFromVer3(appearance_bits7.mouth_color.Value()));
+    out_store_data.SetMouthScale(static_cast<u8>(appearance_bits7.mouth_scale.Value()));
+    out_store_data.SetMouthAspect(static_cast<u8>(appearance_bits7.mouth_aspect.Value()));
+    out_store_data.SetMouthY(static_cast<u8>(appearance_bits8.mouth_y.Value()));
 
     out_store_data.SetMustacheType(
         static_cast<MustacheType>(appearance_bits8.mustache_type.Value()));
-    out_store_data.SetMustacheScale(static_cast<u8>(appearance_bits9.mustache_scale));
-    out_store_data.SetMustacheY(static_cast<u8>(appearance_bits9.mustache_y));
+    out_store_data.SetMustacheScale(static_cast<u8>(appearance_bits9.mustache_scale.Value()));
+    out_store_data.SetMustacheY(static_cast<u8>(appearance_bits9.mustache_y.Value()));
 
     out_store_data.SetBeardType(static_cast<BeardType>(appearance_bits9.beard_type.Value()));
-    out_store_data.SetBeardColor(static_cast<CommonColor>(appearance_bits9.beard_color.Value()));
+    out_store_data.SetBeardColor(
+        RawData::GetHairColorFromVer3(appearance_bits9.beard_color.Value()));
 
+    // Glass type is compatible as it is. It doesn't need a table
     out_store_data.SetGlassType(static_cast<GlassType>(appearance_bits10.glass_type.Value()));
-    out_store_data.SetGlassColor(static_cast<CommonColor>(appearance_bits10.glass_color.Value()));
-    out_store_data.SetGlassScale(static_cast<u8>(appearance_bits10.glass_scale));
-    out_store_data.SetGlassY(static_cast<u8>(appearance_bits10.glass_y));
+    out_store_data.SetGlassColor(
+        RawData::GetGlassColorFromVer3(appearance_bits10.glass_color.Value()));
+    out_store_data.SetGlassScale(static_cast<u8>(appearance_bits10.glass_scale.Value()));
+    out_store_data.SetGlassY(static_cast<u8>(appearance_bits10.glass_y.Value()));
 
     out_store_data.SetMoleType(static_cast<MoleType>(appearance_bits11.mole_type.Value()));
-    out_store_data.SetMoleScale(static_cast<u8>(appearance_bits11.mole_scale));
-    out_store_data.SetMoleX(static_cast<u8>(appearance_bits11.mole_x));
-    out_store_data.SetMoleY(static_cast<u8>(appearance_bits11.mole_y));
+    out_store_data.SetMoleScale(static_cast<u8>(appearance_bits11.mole_scale.Value()));
+    out_store_data.SetMoleX(static_cast<u8>(appearance_bits11.mole_x.Value()));
+    out_store_data.SetMoleY(static_cast<u8>(appearance_bits11.mole_y.Value()));
+
+    out_store_data.SetChecksum();
 }
 
 void Ver3StoreData::BuildFromStoreData(const StoreData& store_data) {
@@ -220,7 +220,7 @@ u32 Ver3StoreData::IsValid() const {
 
     is_valid = is_valid && (appearance_bits8.mustache_type <= static_cast<u8>(MustacheType::Max));
     is_valid = is_valid && (appearance_bits9.mustache_scale < MaxMustacheScale);
-    is_valid = is_valid && (appearance_bits9.mustache_y <= MasMustacheY);
+    is_valid = is_valid && (appearance_bits9.mustache_y <= MaxMustacheY);
 
     is_valid = is_valid && (appearance_bits9.beard_type <= static_cast<u8>(BeardType::Max));
     is_valid = is_valid && (appearance_bits9.beard_color <= MaxVer3CommonColor);
@@ -228,7 +228,7 @@ u32 Ver3StoreData::IsValid() const {
     is_valid = is_valid && (appearance_bits10.glass_type <= MaxVer3GlassType);
     is_valid = is_valid && (appearance_bits10.glass_color <= MaxVer3CommonColor - 2);
     is_valid = is_valid && (appearance_bits10.glass_scale <= MaxGlassScale);
-    is_valid = is_valid && (appearance_bits10.glass_y <= MaxGlassScale);
+    is_valid = is_valid && (appearance_bits10.glass_y <= MaxGlassY);
 
     is_valid = is_valid && (appearance_bits11.mole_type <= static_cast<u8>(MoleType::Max));
     is_valid = is_valid && (appearance_bits11.mole_scale <= MaxMoleScale);

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

@@ -439,6 +439,7 @@ Result NfcDevice::Mount(NFP::ModelType model_type, NFP::MountTarget mount_target
 
     device_state = DeviceState::TagMounted;
     mount_target = mount_target_;
+
     return ResultSuccess;
 }
 
@@ -716,12 +717,13 @@ Result NfcDevice::GetRegisterInfoPrivate(NFP::RegisterInfoPrivate& register_info
         return ResultRegistrationIsNotInitialized;
     }
 
-    Service::Mii::MiiManager manager;
+    Mii::StoreData store_data{};
     const auto& settings = tag_data.settings;
+    tag_data.owner_mii.BuildToStoreData(store_data);
 
     // TODO: Validate and complete this data
     register_info = {
-        .mii_store_data = {},
+        .mii_store_data = store_data,
         .creation_date = settings.init_date.GetWriteDate(),
         .amiibo_name = GetAmiiboName(settings),
         .font_region = settings.settings.font_region,
@@ -1372,7 +1374,7 @@ NFP::AmiiboName NfcDevice::GetAmiiboName(const NFP::AmiiboSettings& settings) co
 
     // Convert from utf16 to utf8
     const auto amiibo_name_utf8 = Common::UTF16ToUTF8(settings_amiibo_name.data());
-    memcpy(amiibo_name.data(), amiibo_name_utf8.data(), amiibo_name_utf8.size());
+    memcpy(amiibo_name.data(), amiibo_name_utf8.data(), amiibo_name_utf8.size() - 1);
 
     return amiibo_name;
 }

src/core/tools/renderdoc.cpp

@@ -7,7 +7,7 @@
 #include "common/dynamic_library.h"
 #include "core/tools/renderdoc.h"
 
-#ifdef WIN32
+#ifdef _WIN32
 #include <windows.h>
 #else
 #include <dlfcn.h>

src/shader_recompiler/backend/spirv/emit_spirv_image_atomic.cpp

@@ -7,15 +7,12 @@
 
 namespace Shader::Backend::SPIRV {
 namespace {
-Id Image(EmitContext& ctx, const IR::Value& index, IR::TextureInstInfo info) {
-    if (!index.IsImmediate()) {
-        throw NotImplementedException("Indirect image indexing");
-    }
+Id Image(EmitContext& ctx, IR::TextureInstInfo info) {
     if (info.type == TextureType::Buffer) {
-        const ImageBufferDefinition def{ctx.image_buffers.at(index.U32())};
+        const ImageBufferDefinition def{ctx.image_buffers.at(info.descriptor_index)};
         return def.id;
     } else {
-        const ImageDefinition def{ctx.images.at(index.U32())};
+        const ImageDefinition def{ctx.images.at(info.descriptor_index)};
         return def.id;
     }
 }
@@ -28,8 +25,12 @@ std::pair<Id, Id> AtomicArgs(EmitContext& ctx) {
 
 Id ImageAtomicU32(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id value,
                   Id (Sirit::Module::*atomic_func)(Id, Id, Id, Id, Id)) {
+    if (!index.IsImmediate() || index.U32() != 0) {
+        // TODO: handle layers
+        throw NotImplementedException("Image indexing");
+    }
     const auto info{inst->Flags<IR::TextureInstInfo>()};
-    const Id image{Image(ctx, index, info)};
+    const Id image{Image(ctx, info)};
     const Id pointer{ctx.OpImageTexelPointer(ctx.image_u32, image, coords, ctx.Const(0U))};
     const auto [scope, semantics]{AtomicArgs(ctx)};
     return (ctx.*atomic_func)(ctx.U32[1], pointer, scope, semantics, value);

src/shader_recompiler/backend/spirv/spirv_emit_context.cpp

@@ -74,11 +74,6 @@ spv::ImageFormat GetImageFormat(ImageFormat format) {
     throw InvalidArgument("Invalid image format {}", format);
 }
 
-spv::ImageFormat GetImageFormatForBuffer(ImageFormat format) {
-    const auto spv_format = GetImageFormat(format);
-    return spv_format == spv::ImageFormat::Unknown ? spv::ImageFormat::R32ui : spv_format;
-}
-
 Id ImageType(EmitContext& ctx, const ImageDescriptor& desc) {
     const spv::ImageFormat format{GetImageFormat(desc.format)};
     const Id type{ctx.U32[1]};
@@ -1275,7 +1270,7 @@ void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
         if (desc.count != 1) {
             throw NotImplementedException("Array of image buffers");
         }
-        const spv::ImageFormat format{GetImageFormatForBuffer(desc.format)};
+        const spv::ImageFormat format{GetImageFormat(desc.format)};
         const Id image_type{TypeImage(U32[1], spv::Dim::Buffer, false, false, false, 2, format)};
         const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, image_type)};
         const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};

src/video_core/engines/maxwell_dma.cpp

@@ -109,10 +109,11 @@ void MaxwellDMA::Launch() {
         const bool is_const_a_dst = regs.remap_const.dst_x == RemapConst::Swizzle::CONST_A;
         if (regs.launch_dma.remap_enable != 0 && is_const_a_dst) {
             ASSERT(regs.remap_const.component_size_minus_one == 3);
-            accelerate.BufferClear(regs.offset_out, regs.line_length_in, regs.remap_consta_value);
+            accelerate.BufferClear(regs.offset_out, regs.line_length_in,
+                                   regs.remap_const.remap_consta_value);
             read_buffer.resize_destructive(regs.line_length_in * sizeof(u32));
             std::span<u32> span(reinterpret_cast<u32*>(read_buffer.data()), regs.line_length_in);
-            std::ranges::fill(span, regs.remap_consta_value);
+            std::ranges::fill(span, regs.remap_const.remap_consta_value);
             memory_manager.WriteBlockUnsafe(regs.offset_out,
                                             reinterpret_cast<u8*>(read_buffer.data()),
                                             regs.line_length_in * sizeof(u32));

src/video_core/engines/maxwell_dma.h

@@ -214,14 +214,15 @@ public:
             NO_WRITE = 6,
         };
 
-        PackedGPUVAddr address;
+        u32 remap_consta_value;
+        u32 remap_constb_value;
 
         union {
+            BitField<0, 12, u32> dst_components_raw;
             BitField<0, 3, Swizzle> dst_x;
             BitField<4, 3, Swizzle> dst_y;
             BitField<8, 3, Swizzle> dst_z;
             BitField<12, 3, Swizzle> dst_w;
-            BitField<0, 12, u32> dst_components_raw;
             BitField<16, 2, u32> component_size_minus_one;
             BitField<20, 2, u32> num_src_components_minus_one;
             BitField<24, 2, u32> num_dst_components_minus_one;
@@ -274,55 +275,57 @@ private:
     struct Regs {
         union {
             struct {
-                u32 reserved[0x40];
+                INSERT_PADDING_BYTES_NOINIT(0x100);
                 u32 nop;
-                u32 reserved01[0xf];
+                INSERT_PADDING_BYTES_NOINIT(0x3C);
                 u32 pm_trigger;
-                u32 reserved02[0x3f];
+                INSERT_PADDING_BYTES_NOINIT(0xFC);
                 Semaphore semaphore;
-                u32 reserved03[0x2];
+                INSERT_PADDING_BYTES_NOINIT(0x8);
                 RenderEnable render_enable;
                 PhysMode src_phys_mode;
                 PhysMode dst_phys_mode;
-                u32 reserved04[0x26];
+                INSERT_PADDING_BYTES_NOINIT(0x98);
                 LaunchDMA launch_dma;
-                u32 reserved05[0x3f];
+                INSERT_PADDING_BYTES_NOINIT(0xFC);
                 PackedGPUVAddr offset_in;
                 PackedGPUVAddr offset_out;
                 s32 pitch_in;
                 s32 pitch_out;
                 u32 line_length_in;
                 u32 line_count;
-                u32 reserved06[0xb6];
-                u32 remap_consta_value;
-                u32 remap_constb_value;
+                INSERT_PADDING_BYTES_NOINIT(0x2E0);
                 RemapConst remap_const;
                 DMA::Parameters dst_params;
-                u32 reserved07[0x1];
+                INSERT_PADDING_BYTES_NOINIT(0x4);
                 DMA::Parameters src_params;
-                u32 reserved08[0x275];
+                INSERT_PADDING_BYTES_NOINIT(0x9D4);
                 u32 pm_trigger_end;
-                u32 reserved09[0x3ba];
+                INSERT_PADDING_BYTES_NOINIT(0xEE8);
             };
             std::array<u32, NUM_REGS> reg_array;
         };
     } regs{};
+    static_assert(sizeof(Regs) == NUM_REGS * 4);
 
 #define ASSERT_REG_POSITION(field_name, position)                                                  \
-    static_assert(offsetof(MaxwellDMA::Regs, field_name) == position * 4,                          \
+    static_assert(offsetof(MaxwellDMA::Regs, field_name) == position,                              \
                   "Field " #field_name " has invalid position")
 
-    ASSERT_REG_POSITION(launch_dma, 0xC0);
-    ASSERT_REG_POSITION(offset_in, 0x100);
-    ASSERT_REG_POSITION(offset_out, 0x102);
-    ASSERT_REG_POSITION(pitch_in, 0x104);
-    ASSERT_REG_POSITION(pitch_out, 0x105);
-    ASSERT_REG_POSITION(line_length_in, 0x106);
-    ASSERT_REG_POSITION(line_count, 0x107);
-    ASSERT_REG_POSITION(remap_const, 0x1C0);
-    ASSERT_REG_POSITION(dst_params, 0x1C3);
-    ASSERT_REG_POSITION(src_params, 0x1CA);
-
+    ASSERT_REG_POSITION(semaphore, 0x240);
+    ASSERT_REG_POSITION(render_enable, 0x254);
+    ASSERT_REG_POSITION(src_phys_mode, 0x260);
+    ASSERT_REG_POSITION(launch_dma, 0x300);
+    ASSERT_REG_POSITION(offset_in, 0x400);
+    ASSERT_REG_POSITION(offset_out, 0x408);
+    ASSERT_REG_POSITION(pitch_in, 0x410);
+    ASSERT_REG_POSITION(pitch_out, 0x414);
+    ASSERT_REG_POSITION(line_length_in, 0x418);
+    ASSERT_REG_POSITION(line_count, 0x41C);
+    ASSERT_REG_POSITION(remap_const, 0x700);
+    ASSERT_REG_POSITION(dst_params, 0x70C);
+    ASSERT_REG_POSITION(src_params, 0x728);
+    ASSERT_REG_POSITION(pm_trigger_end, 0x1114);
 #undef ASSERT_REG_POSITION
 };
 

src/video_core/renderer_vulkan/maxwell_to_vk.cpp

@@ -185,7 +185,7 @@ struct FormatTuple {
     {VK_FORMAT_BC2_SRGB_BLOCK},                                // BC2_SRGB
     {VK_FORMAT_BC3_SRGB_BLOCK},                                // BC3_SRGB
     {VK_FORMAT_BC7_SRGB_BLOCK},                                // BC7_SRGB
-    {VK_FORMAT_R4G4B4A4_UNORM_PACK16},                         // A4B4G4R4_UNORM
+    {VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT},                     // A4B4G4R4_UNORM
     {VK_FORMAT_R4G4_UNORM_PACK8},                              // G4R4_UNORM
     {VK_FORMAT_ASTC_4x4_SRGB_BLOCK},                           // ASTC_2D_4X4_SRGB
     {VK_FORMAT_ASTC_8x8_SRGB_BLOCK},                           // ASTC_2D_8X8_SRGB

src/video_core/renderer_vulkan/vk_texture_cache.cpp

@@ -600,7 +600,7 @@ void CopyBufferToImage(vk::CommandBuffer cmdbuf, VkBuffer src_buffer, VkImage im
 }
 
 void TryTransformSwizzleIfNeeded(PixelFormat format, std::array<SwizzleSource, 4>& swizzle,
-                                 bool emulate_bgr565) {
+                                 bool emulate_bgr565, bool emulate_a4b4g4r4) {
     switch (format) {
     case PixelFormat::A1B5G5R5_UNORM:
         std::ranges::transform(swizzle, swizzle.begin(), SwapBlueRed);
@@ -616,6 +616,11 @@ void TryTransformSwizzleIfNeeded(PixelFormat format, std::array<SwizzleSource, 4
     case PixelFormat::G4R4_UNORM:
         std::ranges::transform(swizzle, swizzle.begin(), SwapGreenRed);
         break;
+    case PixelFormat::A4B4G4R4_UNORM:
+        if (emulate_a4b4g4r4) {
+            std::ranges::reverse(swizzle);
+        }
+        break;
     default:
         break;
     }
@@ -1649,7 +1654,8 @@ ImageView::ImageView(TextureCacheRuntime& runtime, const VideoCommon::ImageViewI
     };
     if (!info.IsRenderTarget()) {
         swizzle = info.Swizzle();
-        TryTransformSwizzleIfNeeded(format, swizzle, device->MustEmulateBGR565());
+        TryTransformSwizzleIfNeeded(format, swizzle, device->MustEmulateBGR565(),
+                                    !device->IsExt4444FormatsSupported());
         if ((aspect_mask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) != 0) {
             std::ranges::transform(swizzle, swizzle.begin(), ConvertGreenRed);
         }

src/video_core/vulkan_common/vulkan_device.cpp

@@ -76,6 +76,11 @@ constexpr std::array VK_FORMAT_R32G32B32_SFLOAT{
     VK_FORMAT_UNDEFINED,
 };
 
+constexpr std::array VK_FORMAT_A4B4G4R4_UNORM_PACK16{
+    VK_FORMAT_R4G4B4A4_UNORM_PACK16,
+    VK_FORMAT_UNDEFINED,
+};
+
 } // namespace Alternatives
 
 enum class NvidiaArchitecture {
@@ -110,6 +115,8 @@ constexpr const VkFormat* GetFormatAlternatives(VkFormat format) {
         return Alternatives::R8G8B8_SSCALED.data();
     case VK_FORMAT_R32G32B32_SFLOAT:
         return Alternatives::VK_FORMAT_R32G32B32_SFLOAT.data();
+    case VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT:
+        return Alternatives::VK_FORMAT_A4B4G4R4_UNORM_PACK16.data();
     default:
         return nullptr;
     }
@@ -238,6 +245,7 @@ std::unordered_map<VkFormat, VkFormatProperties> GetFormatProperties(vk::Physica
         VK_FORMAT_R32_SINT,
         VK_FORMAT_R32_UINT,
         VK_FORMAT_R4G4B4A4_UNORM_PACK16,
+        VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT,
         VK_FORMAT_R4G4_UNORM_PACK8,
         VK_FORMAT_R5G5B5A1_UNORM_PACK16,
         VK_FORMAT_R5G6B5_UNORM_PACK16,

src/video_core/vulkan_common/vulkan_device.h

@@ -45,6 +45,7 @@ VK_DEFINE_HANDLE(VmaAllocator)
     FEATURE(EXT, ExtendedDynamicState, EXTENDED_DYNAMIC_STATE, extended_dynamic_state)             \
     FEATURE(EXT, ExtendedDynamicState2, EXTENDED_DYNAMIC_STATE_2, extended_dynamic_state2)         \
     FEATURE(EXT, ExtendedDynamicState3, EXTENDED_DYNAMIC_STATE_3, extended_dynamic_state3)         \
+    FEATURE(EXT, 4444Formats, 4444_FORMATS, format_a4b4g4r4)                                       \
     FEATURE(EXT, IndexTypeUint8, INDEX_TYPE_UINT8, index_type_uint8)                               \
     FEATURE(EXT, LineRasterization, LINE_RASTERIZATION, line_rasterization)                        \
     FEATURE(EXT, PrimitiveTopologyListRestart, PRIMITIVE_TOPOLOGY_LIST_RESTART,                    \
@@ -97,6 +98,7 @@ VK_DEFINE_HANDLE(VmaAllocator)
     EXTENSION_NAME(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME)                                   \
     EXTENSION_NAME(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME)                                 \
     EXTENSION_NAME(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME)                                 \
+    EXTENSION_NAME(VK_EXT_4444_FORMATS_EXTENSION_NAME)                                             \
     EXTENSION_NAME(VK_EXT_LINE_RASTERIZATION_EXTENSION_NAME)                                       \
     EXTENSION_NAME(VK_EXT_ROBUSTNESS_2_EXTENSION_NAME)                                             \
     EXTENSION_NAME(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME)                               \
@@ -144,6 +146,7 @@ VK_DEFINE_HANDLE(VmaAllocator)
 #define FOR_EACH_VK_RECOMMENDED_FEATURE(FEATURE_NAME)                                              \
     FEATURE_NAME(custom_border_color, customBorderColors)                                          \
     FEATURE_NAME(extended_dynamic_state, extendedDynamicState)                                     \
+    FEATURE_NAME(format_a4b4g4r4, formatA4B4G4R4)                                                  \
     FEATURE_NAME(index_type_uint8, indexTypeUint8)                                                 \
     FEATURE_NAME(primitive_topology_list_restart, primitiveTopologyListRestart)                    \
     FEATURE_NAME(provoking_vertex, provokingVertexLast)                                            \
@@ -488,6 +491,11 @@ public:
         return extensions.extended_dynamic_state3;
     }
 
+    /// Returns true if the device supports VK_EXT_4444_formats.
+    bool IsExt4444FormatsSupported() const {
+        return features.format_a4b4g4r4.formatA4B4G4R4;
+    }
+
     /// Returns true if the device supports VK_EXT_extended_dynamic_state3.
     bool IsExtExtendedDynamicState3BlendingSupported() const {
         return dynamic_state3_blending;