early-access version 3864

CMakeLists.txt

@@ -63,6 +63,8 @@ option(YUZU_ENABLE_LTO "Enable link-time optimization" OFF)
 
 option(YUZU_DOWNLOAD_TIME_ZONE_DATA "Always download time zone binaries" OFF)
 
+option(YUZU_ENABLE_PORTABLE "Allow yuzu to enable portable mode if a user folder is found in the CWD" ON)
+
 CMAKE_DEPENDENT_OPTION(YUZU_USE_FASTER_LD "Check if a faster linker is available" ON "NOT WIN32" OFF)
 
 CMAKE_DEPENDENT_OPTION(USE_SYSTEM_MOLTENVK "Use the system MoltenVK lib (instead of the bundled one)" OFF "APPLE" OFF)

README.md

@@ -1,7 +1,7 @@
 yuzu emulator early access
 =============
 
-This is the source code for early-access 3863.
+This is the source code for early-access 3864.
 
 ## Legal Notice
 

src/common/CMakeLists.txt

@@ -151,6 +151,10 @@ add_library(common STATIC
     zstd_compression.h
 )
 
+if (YUZU_ENABLE_PORTABLE)
+    add_compile_definitions(YUZU_ENABLE_PORTABLE)
+endif()
+
 if (WIN32)
   target_sources(common PRIVATE
     windows/timer_resolution.cpp

src/common/fs/path_util.cpp

@@ -88,8 +88,9 @@ public:
         fs::path yuzu_path_config;
 
 #ifdef _WIN32
+#ifdef YUZU_ENABLE_PORTABLE
         yuzu_path = GetExeDirectory() / PORTABLE_DIR;
-
+#endif
         if (!IsDir(yuzu_path)) {
             yuzu_path = GetAppDataRoamingDirectory() / YUZU_DIR;
         }
@@ -101,8 +102,9 @@ public:
         yuzu_path_cache = yuzu_path / CACHE_DIR;
         yuzu_path_config = yuzu_path / CONFIG_DIR;
 #else
+#ifdef YUZU_ENABLE_PORTABLE
         yuzu_path = GetCurrentDir() / PORTABLE_DIR;
-
+#endif
         if (Exists(yuzu_path) && IsDir(yuzu_path)) {
             yuzu_path_cache = yuzu_path / CACHE_DIR;
             yuzu_path_config = yuzu_path / CONFIG_DIR;

src/core/CMakeLists.txt

@@ -584,13 +584,23 @@ add_library(core STATIC
     hle/service/lm/lm.h
     hle/service/mig/mig.cpp
     hle/service/mig/mig.h
+    hle/service/mii/types/char_info.cpp
+    hle/service/mii/types/char_info.h
+    hle/service/mii/types/core_data.cpp
+    hle/service/mii/types/core_data.h
+    hle/service/mii/types/raw_data.cpp
+    hle/service/mii/types/raw_data.h
+    hle/service/mii/types/store_data.cpp
+    hle/service/mii/types/store_data.h
+    hle/service/mii/types/ver3_store_data.cpp
+    hle/service/mii/types/ver3_store_data.h
     hle/service/mii/mii.cpp
     hle/service/mii/mii.h
     hle/service/mii/mii_manager.cpp
     hle/service/mii/mii_manager.h
-    hle/service/mii/raw_data.cpp
+    hle/service/mii/mii_result.h
-    hle/service/mii/raw_data.h
+    hle/service/mii/mii_types.h
-    hle/service/mii/types.h
+    hle/service/mii/mii_util.h
     hle/service/mm/mm_u.cpp
     hle/service/mm/mm_u.h
     hle/service/mnpp/mnpp_app.cpp

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

@@ -1386,7 +1386,7 @@ IApplicationFunctions::IApplicationFunctions(Core::System& system_)
         {25, &IApplicationFunctions::ExtendSaveData, "ExtendSaveData"},
         {26, &IApplicationFunctions::GetSaveDataSize, "GetSaveDataSize"},
         {27, &IApplicationFunctions::CreateCacheStorage, "CreateCacheStorage"},
-        {28, nullptr, "GetSaveDataSizeMax"},
+        {28, &IApplicationFunctions::GetSaveDataSizeMax, "GetSaveDataSizeMax"},
         {29, nullptr, "GetCacheStorageMax"},
         {30, &IApplicationFunctions::BeginBlockingHomeButtonShortAndLongPressed, "BeginBlockingHomeButtonShortAndLongPressed"},
         {31, &IApplicationFunctions::EndBlockingHomeButtonShortAndLongPressed, "EndBlockingHomeButtonShortAndLongPressed"},
@@ -1821,6 +1821,18 @@ void IApplicationFunctions::CreateCacheStorage(HLERequestContext& ctx) {
     rb.PushRaw(resp);
 }
 
+void IApplicationFunctions::GetSaveDataSizeMax(HLERequestContext& ctx) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    constexpr u64 size_max_normal = 0xFFFFFFF;
+    constexpr u64 size_max_journal = 0xFFFFFFF;
+
+    IPC::ResponseBuilder rb{ctx, 6};
+    rb.Push(ResultSuccess);
+    rb.Push(size_max_normal);
+    rb.Push(size_max_journal);
+}
+
 void IApplicationFunctions::QueryApplicationPlayStatistics(HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 

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

@@ -316,6 +316,7 @@ private:
     void ExtendSaveData(HLERequestContext& ctx);
     void GetSaveDataSize(HLERequestContext& ctx);
     void CreateCacheStorage(HLERequestContext& ctx);
+    void GetSaveDataSizeMax(HLERequestContext& ctx);
     void BeginBlockingHomeButtonShortAndLongPressed(HLERequestContext& ctx);
     void EndBlockingHomeButtonShortAndLongPressed(HLERequestContext& ctx);
     void BeginBlockingHomeButton(HLERequestContext& ctx);

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

@@ -85,15 +85,18 @@ void MiiEdit::Execute() {
         break;
     case MiiEditAppletMode::CreateMii:
     case MiiEditAppletMode::EditMii: {
-        Service::Mii::MiiManager mii_manager;
+        Mii::CharInfo char_info{};
+        Mii::StoreData store_data{};
+        store_data.BuildBase(Mii::Gender::Male);
+        char_info.SetFromStoreData(store_data);
 
-        const MiiEditCharInfo char_info{
+        const MiiEditCharInfo edit_char_info{
             .mii_info{applet_input_common.applet_mode == MiiEditAppletMode::EditMii
                           ? applet_input_v4.char_info.mii_info
-                          : mii_manager.BuildBase(Mii::Gender::Male)},
+                          : char_info},
         };
 
-        MiiEditOutputForCharInfoEditing(MiiEditResult::Success, char_info);
+        MiiEditOutputForCharInfoEditing(MiiEditResult::Success, edit_char_info);
         break;
     }
     default:

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

@@ -7,7 +7,8 @@
 
 #include "common/common_funcs.h"
 #include "common/common_types.h"
-#include "core/hle/service/mii/types.h"
+#include "common/uuid.h"
+#include "core/hle/service/mii/types/char_info.h"
 
 namespace Service::AM::Applets {
 

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

@@ -7,17 +7,16 @@
 #include "core/hle/service/ipc_helpers.h"
 #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/server_manager.h"
 #include "core/hle/service/service.h"
 
 namespace Service::Mii {
 
-constexpr Result ERROR_INVALID_ARGUMENT{ErrorModule::Mii, 1};
-
 class IDatabaseService final : public ServiceFramework<IDatabaseService> {
 public:
-    explicit IDatabaseService(Core::System& system_)
+    explicit IDatabaseService(Core::System& system_, bool is_system_)
-        : ServiceFramework{system_, "IDatabaseService"} {
+        : ServiceFramework{system_, "IDatabaseService"}, is_system{is_system_} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &IDatabaseService::IsUpdated, "IsUpdated"},
@@ -54,34 +53,27 @@ public:
     }
 
 private:
-    template <typename T>
-    std::vector<u8> SerializeArray(const std::vector<T>& values) {
-        std::vector<u8> out(values.size() * sizeof(T));
-        std::size_t offset{};
-        for (const auto& value : values) {
-            std::memcpy(out.data() + offset, &value, sizeof(T));
-            offset += sizeof(T);
-        }
-        return out;
-    }
-
     void IsUpdated(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
         const auto source_flag{rp.PopRaw<SourceFlag>()};
 
         LOG_DEBUG(Service_Mii, "called with source_flag={}", source_flag);
 
+        const bool is_updated = manager.IsUpdated(metadata, source_flag);
+
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
-        rb.Push(manager.CheckAndResetUpdateCounter(source_flag, current_update_counter));
+        rb.Push<u8>(is_updated);
     }
 
     void IsFullDatabase(HLERequestContext& ctx) {
         LOG_DEBUG(Service_Mii, "called");
 
+        const bool is_full_database = manager.IsFullDatabase();
+
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
-        rb.Push(manager.IsFullDatabase());
+        rb.Push<u8>(is_full_database);
     }
 
     void GetCount(HLERequestContext& ctx) {
@@ -90,57 +82,63 @@ private:
 
         LOG_DEBUG(Service_Mii, "called with source_flag={}", source_flag);
 
+        const u32 mii_count = manager.GetCount(metadata, source_flag);
+
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(ResultSuccess);
-        rb.Push<u32>(manager.GetCount(source_flag));
+        rb.Push(mii_count);
     }
 
     void Get(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
         const auto source_flag{rp.PopRaw<SourceFlag>()};
+        const auto output_size{ctx.GetWriteBufferNumElements<CharInfoElement>()};
 
-        LOG_DEBUG(Service_Mii, "called with source_flag={}", source_flag);
+        LOG_DEBUG(Service_Mii, "called with source_flag={}, out_size={}", source_flag, output_size);
 
-        const auto default_miis{manager.GetDefault(source_flag)};
+        u32 mii_count{};
-        if (default_miis.size() > 0) {
+        std::vector<CharInfoElement> char_info_elements(output_size);
-            ctx.WriteBuffer(SerializeArray(default_miis));
+        Result result = manager.Get(metadata, char_info_elements, mii_count, source_flag);
+
+        if (mii_count != 0) {
+            ctx.WriteBuffer(char_info_elements);
         }
 
         IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
+        rb.Push(result);
-        rb.Push<u32>(static_cast<u32>(default_miis.size()));
+        rb.Push(mii_count);
     }
 
     void Get1(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
         const auto source_flag{rp.PopRaw<SourceFlag>()};
+        const auto output_size{ctx.GetWriteBufferNumElements<CharInfo>()};
 
-        LOG_DEBUG(Service_Mii, "called with source_flag={}", source_flag);
+        LOG_DEBUG(Service_Mii, "called with source_flag={}, out_size={}", source_flag, output_size);
 
-        const auto default_miis{manager.GetDefault(source_flag)};
+        u32 mii_count{};
+        std::vector<CharInfo> char_info(output_size);
+        Result result = manager.Get(metadata, char_info, mii_count, source_flag);
 
-        std::vector<CharInfo> values;
+        if (mii_count != 0) {
-        for (const auto& element : default_miis) {
+            ctx.WriteBuffer(char_info);
-            values.emplace_back(element.info);
         }
 
-        ctx.WriteBuffer(SerializeArray(values));
-
         IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(ResultSuccess);
+        rb.Push(result);
-        rb.Push<u32>(static_cast<u32>(default_miis.size()));
+        rb.Push(mii_count);
     }
 
     void UpdateLatest(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
-        const auto info{rp.PopRaw<CharInfo>()};
+        const auto char_info{rp.PopRaw<CharInfo>()};
         const auto source_flag{rp.PopRaw<SourceFlag>()};
 
         LOG_DEBUG(Service_Mii, "called with source_flag={}", source_flag);
 
         CharInfo new_char_info{};
-        const auto result{manager.UpdateLatest(&new_char_info, info, source_flag)};
+        const auto result = manager.UpdateLatest(metadata, new_char_info, char_info, source_flag);
-        if (result != ResultSuccess) {
+        if (result.IsFailure()) {
             IPC::ResponseBuilder rb{ctx, 2};
             rb.Push(result);
             return;
@@ -153,7 +151,6 @@ private:
 
     void BuildRandom(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
-
         const auto age{rp.PopRaw<Age>()};
         const auto gender{rp.PopRaw<Gender>()};
         const auto race{rp.PopRaw<Race>()};
@@ -162,47 +159,48 @@ private:
 
         if (age > Age::All) {
             IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_INVALID_ARGUMENT);
+            rb.Push(ResultInvalidArgument);
-            LOG_ERROR(Service_Mii, "invalid age={}", age);
             return;
         }
 
         if (gender > Gender::All) {
             IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_INVALID_ARGUMENT);
+            rb.Push(ResultInvalidArgument);
-            LOG_ERROR(Service_Mii, "invalid gender={}", gender);
             return;
         }
 
         if (race > Race::All) {
             IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_INVALID_ARGUMENT);
+            rb.Push(ResultInvalidArgument);
-            LOG_ERROR(Service_Mii, "invalid race={}", race);
             return;
         }
 
+        CharInfo char_info{};
+        manager.BuildRandom(char_info, age, gender, race);
+
         IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)};
         rb.Push(ResultSuccess);
-        rb.PushRaw<CharInfo>(manager.BuildRandom(age, gender, race));
+        rb.PushRaw<CharInfo>(char_info);
     }
 
     void BuildDefault(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
         const auto index{rp.Pop<u32>()};
 
-        LOG_DEBUG(Service_Mii, "called with index={}", index);
+        LOG_INFO(Service_Mii, "called with index={}", index);
 
         if (index > 5) {
-            LOG_ERROR(Service_Mii, "invalid argument, index cannot be greater than 5 but is {:08X}",
-                      index);
             IPC::ResponseBuilder rb{ctx, 2};
-            rb.Push(ERROR_INVALID_ARGUMENT);
+            rb.Push(ResultInvalidArgument);
             return;
         }
 
+        CharInfo char_info{};
+        manager.BuildDefault(char_info, index);
+
         IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)};
         rb.Push(ResultSuccess);
-        rb.PushRaw<CharInfo>(manager.BuildDefault(index));
+        rb.PushRaw<CharInfo>(char_info);
     }
 
     void GetIndex(HLERequestContext& ctx) {
@@ -211,19 +209,21 @@ private:
 
         LOG_DEBUG(Service_Mii, "called");
 
-        u32 index{};
+        s32 index{};
+        const auto result = manager.GetIndex(metadata, info, index);
+
         IPC::ResponseBuilder rb{ctx, 3};
-        rb.Push(manager.GetIndex(info, index));
+        rb.Push(result);
         rb.Push(index);
     }
 
     void SetInterfaceVersion(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
-        current_interface_version = rp.PopRaw<u32>();
+        const auto interface_version{rp.PopRaw<u32>()};
 
-        LOG_DEBUG(Service_Mii, "called, interface_version={:08X}", current_interface_version);
+        LOG_INFO(Service_Mii, "called, interface_version={:08X}", interface_version);
 
-        UNIMPLEMENTED_IF(current_interface_version != 1);
+        manager.SetInterfaceVersion(metadata, interface_version);
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(ResultSuccess);
@@ -231,30 +231,27 @@ private:
 
     void Convert(HLERequestContext& ctx) {
         IPC::RequestParser rp{ctx};
-
         const auto mii_v3{rp.PopRaw<Ver3StoreData>()};
 
         LOG_INFO(Service_Mii, "called");
 
+        CharInfo char_info{};
+        manager.ConvertV3ToCharInfo(char_info, mii_v3);
+
         IPC::ResponseBuilder rb{ctx, 2 + sizeof(CharInfo) / sizeof(u32)};
         rb.Push(ResultSuccess);
-        rb.PushRaw<CharInfo>(manager.ConvertV3ToCharInfo(mii_v3));
+        rb.PushRaw<CharInfo>(char_info);
     }
 
-    constexpr bool IsInterfaceVersionSupported(u32 interface_version) const {
+    MiiManager manager{};
-        return current_interface_version >= interface_version;
+    DatabaseSessionMetadata metadata{};
-    }
+    bool is_system{};
-
-    MiiManager manager;
-
-    u32 current_interface_version{};
-    u64 current_update_counter{};
 };
 
 class MiiDBModule final : public ServiceFramework<MiiDBModule> {
 public:
-    explicit MiiDBModule(Core::System& system_, const char* name_)
+    explicit MiiDBModule(Core::System& system_, const char* name_, bool is_system_)
-        : ServiceFramework{system_, name_} {
+        : ServiceFramework{system_, name_}, is_system{is_system_} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &MiiDBModule::GetDatabaseService, "GetDatabaseService"},
@@ -268,10 +265,12 @@ private:
     void GetDatabaseService(HLERequestContext& ctx) {
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(ResultSuccess);
-        rb.PushIpcInterface<IDatabaseService>(system);
+        rb.PushIpcInterface<IDatabaseService>(system, is_system);
 
         LOG_DEBUG(Service_Mii, "called");
     }
+
+    bool is_system{};
 };
 
 class MiiImg final : public ServiceFramework<MiiImg> {
@@ -303,8 +302,10 @@ public:
 void LoopProcess(Core::System& system) {
     auto server_manager = std::make_unique<ServerManager>(system);
 
-    server_manager->RegisterNamedService("mii:e", std::make_shared<MiiDBModule>(system, "mii:e"));
+    server_manager->RegisterNamedService("mii:e",
-    server_manager->RegisterNamedService("mii:u", std::make_shared<MiiDBModule>(system, "mii:u"));
+                                         std::make_shared<MiiDBModule>(system, "mii:e", true));
+    server_manager->RegisterNamedService("mii:u",
+                                         std::make_shared<MiiDBModule>(system, "mii:u", false));
     server_manager->RegisterNamedService("miiimg", std::make_shared<MiiImg>(system));
     ServerManager::RunServer(std::move(server_manager));
 }

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

@@ -10,385 +10,24 @@
 
 #include "core/hle/service/acc/profile_manager.h"
 #include "core/hle/service/mii/mii_manager.h"
-#include "core/hle/service/mii/raw_data.h"
+#include "core/hle/service/mii/mii_result.h"
+#include "core/hle/service/mii/mii_util.h"
+#include "core/hle/service/mii/types/core_data.h"
+#include "core/hle/service/mii/types/raw_data.h"
 
 namespace Service::Mii {
-
-namespace {
-
-constexpr Result ERROR_CANNOT_FIND_ENTRY{ErrorModule::Mii, 4};
-
 constexpr std::size_t DefaultMiiCount{RawData::DefaultMii.size()};
 
-constexpr MiiStoreData::Name DefaultMiiName{u'n', u'o', u' ', u'n', u'a', u'm', u'e'};
+MiiManager::MiiManager() {}
-constexpr std::array<u8, 8> HairColorLookup{8, 1, 2, 3, 4, 5, 6, 7};
-constexpr std::array<u8, 6> EyeColorLookup{8, 9, 10, 11, 12, 13};
-constexpr std::array<u8, 5> MouthColorLookup{19, 20, 21, 22, 23};
-constexpr std::array<u8, 7> GlassesColorLookup{8, 14, 15, 16, 17, 18, 0};
-constexpr std::array<u8, 62> EyeRotateLookup{
-    {0x03, 0x04, 0x04, 0x04, 0x03, 0x04, 0x04, 0x04, 0x03, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x04,
-     0x04, 0x04, 0x03, 0x03, 0x04, 0x03, 0x04, 0x03, 0x03, 0x04, 0x03, 0x04, 0x04, 0x03, 0x04, 0x04,
-     0x04, 0x03, 0x03, 0x03, 0x04, 0x04, 0x03, 0x03, 0x03, 0x04, 0x04, 0x03, 0x03, 0x03, 0x03, 0x03,
-     0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04, 0x03, 0x04, 0x04, 0x03, 0x04, 0x04}};
-constexpr std::array<u8, 24> EyebrowRotateLookup{{0x06, 0x06, 0x05, 0x07, 0x06, 0x07, 0x06, 0x07,
-                                                  0x04, 0x07, 0x06, 0x08, 0x05, 0x05, 0x06, 0x06,
-                                                  0x07, 0x07, 0x06, 0x06, 0x05, 0x06, 0x07, 0x05}};
 
-template <typename T, std::size_t SourceArraySize, std::size_t DestArraySize>
+bool MiiManager::IsUpdated(DatabaseSessionMetadata& metadata, SourceFlag source_flag) const {
-std::array<T, DestArraySize> ResizeArray(const std::array<T, SourceArraySize>& in) {
-    std::array<T, DestArraySize> out{};
-    std::memcpy(out.data(), in.data(), sizeof(T) * std::min(SourceArraySize, DestArraySize));
-    return out;
-}
-
-CharInfo ConvertStoreDataToInfo(const MiiStoreData& data) {
-    MiiStoreBitFields bf;
-    std::memcpy(&bf, data.data.data.data(), sizeof(MiiStoreBitFields));
-
-    return {
-        .uuid = data.data.uuid,
-        .name = ResizeArray<char16_t, 10, 11>(data.data.name),
-        .font_region = static_cast<u8>(bf.font_region.Value()),
-        .favorite_color = static_cast<u8>(bf.favorite_color.Value()),
-        .gender = static_cast<u8>(bf.gender.Value()),
-        .height = static_cast<u8>(bf.height.Value()),
-        .build = static_cast<u8>(bf.build.Value()),
-        .type = static_cast<u8>(bf.type.Value()),
-        .region_move = static_cast<u8>(bf.region_move.Value()),
-        .faceline_type = static_cast<u8>(bf.faceline_type.Value()),
-        .faceline_color = static_cast<u8>(bf.faceline_color.Value()),
-        .faceline_wrinkle = static_cast<u8>(bf.faceline_wrinkle.Value()),
-        .faceline_make = static_cast<u8>(bf.faceline_makeup.Value()),
-        .hair_type = static_cast<u8>(bf.hair_type.Value()),
-        .hair_color = static_cast<u8>(bf.hair_color.Value()),
-        .hair_flip = static_cast<u8>(bf.hair_flip.Value()),
-        .eye_type = static_cast<u8>(bf.eye_type.Value()),
-        .eye_color = static_cast<u8>(bf.eye_color.Value()),
-        .eye_scale = static_cast<u8>(bf.eye_scale.Value()),
-        .eye_aspect = static_cast<u8>(bf.eye_aspect.Value()),
-        .eye_rotate = static_cast<u8>(bf.eye_rotate.Value()),
-        .eye_x = static_cast<u8>(bf.eye_x.Value()),
-        .eye_y = static_cast<u8>(bf.eye_y.Value()),
-        .eyebrow_type = static_cast<u8>(bf.eyebrow_type.Value()),
-        .eyebrow_color = static_cast<u8>(bf.eyebrow_color.Value()),
-        .eyebrow_scale = static_cast<u8>(bf.eyebrow_scale.Value()),
-        .eyebrow_aspect = static_cast<u8>(bf.eyebrow_aspect.Value()),
-        .eyebrow_rotate = static_cast<u8>(bf.eyebrow_rotate.Value()),
-        .eyebrow_x = static_cast<u8>(bf.eyebrow_x.Value()),
-        .eyebrow_y = static_cast<u8>(bf.eyebrow_y.Value() + 3),
-        .nose_type = static_cast<u8>(bf.nose_type.Value()),
-        .nose_scale = static_cast<u8>(bf.nose_scale.Value()),
-        .nose_y = static_cast<u8>(bf.nose_y.Value()),
-        .mouth_type = static_cast<u8>(bf.mouth_type.Value()),
-        .mouth_color = static_cast<u8>(bf.mouth_color.Value()),
-        .mouth_scale = static_cast<u8>(bf.mouth_scale.Value()),
-        .mouth_aspect = static_cast<u8>(bf.mouth_aspect.Value()),
-        .mouth_y = static_cast<u8>(bf.mouth_y.Value()),
-        .beard_color = static_cast<u8>(bf.beard_color.Value()),
-        .beard_type = static_cast<u8>(bf.beard_type.Value()),
-        .mustache_type = static_cast<u8>(bf.mustache_type.Value()),
-        .mustache_scale = static_cast<u8>(bf.mustache_scale.Value()),
-        .mustache_y = static_cast<u8>(bf.mustache_y.Value()),
-        .glasses_type = static_cast<u8>(bf.glasses_type.Value()),
-        .glasses_color = static_cast<u8>(bf.glasses_color.Value()),
-        .glasses_scale = static_cast<u8>(bf.glasses_scale.Value()),
-        .glasses_y = static_cast<u8>(bf.glasses_y.Value()),
-        .mole_type = static_cast<u8>(bf.mole_type.Value()),
-        .mole_scale = static_cast<u8>(bf.mole_scale.Value()),
-        .mole_x = static_cast<u8>(bf.mole_x.Value()),
-        .mole_y = static_cast<u8>(bf.mole_y.Value()),
-        .padding = 0,
-    };
-}
-
-u16 GenerateCrc16(const void* data, std::size_t size) {
-    s32 crc{};
-    for (std::size_t i = 0; i < size; i++) {
-        crc ^= static_cast<const u8*>(data)[i] << 8;
-        for (std::size_t j = 0; j < 8; j++) {
-            crc <<= 1;
-            if ((crc & 0x10000) != 0) {
-                crc = (crc ^ 0x1021) & 0xFFFF;
-            }
-        }
-    }
-    return Common::swap16(static_cast<u16>(crc));
-}
-
-template <typename T>
-T GetRandomValue(T min, T max) {
-    std::random_device device;
-    std::mt19937 gen(device());
-    std::uniform_int_distribution<u64> distribution(static_cast<u64>(min), static_cast<u64>(max));
-    return static_cast<T>(distribution(gen));
-}
-
-template <typename T>
-T GetRandomValue(T max) {
-    return GetRandomValue<T>({}, max);
-}
-
-MiiStoreData BuildRandomStoreData(Age age, Gender gender, Race race, const Common::UUID& user_id) {
-    MiiStoreBitFields bf{};
-
-    if (gender == Gender::All) {
-        gender = GetRandomValue<Gender>(Gender::Maximum);
-    }
-
-    bf.gender.Assign(gender);
-    bf.favorite_color.Assign(GetRandomValue<u8>(11));
-    bf.region_move.Assign(0);
-    bf.font_region.Assign(FontRegion::Standard);
-    bf.type.Assign(0);
-    bf.height.Assign(64);
-    bf.build.Assign(64);
-
-    if (age == Age::All) {
-        const auto temp{GetRandomValue<int>(10)};
-        if (temp >= 8) {
-            age = Age::Old;
-        } else if (temp >= 4) {
-            age = Age::Normal;
-        } else {
-            age = Age::Young;
-        }
-    }
-
-    if (race == Race::All) {
-        const auto temp{GetRandomValue<int>(10)};
-        if (temp >= 8) {
-            race = Race::Black;
-        } else if (temp >= 4) {
-            race = Race::White;
-        } else {
-            race = Race::Asian;
-        }
-    }
-
-    u32 axis_y{};
-    if (gender == Gender::Female && age == Age::Young) {
-        axis_y = GetRandomValue<u32>(3);
-    }
-
-    const std::size_t index{3 * static_cast<std::size_t>(age) +
-                            9 * static_cast<std::size_t>(gender) + static_cast<std::size_t>(race)};
-
-    const auto faceline_type_info{RawData::RandomMiiFaceline.at(index)};
-    const auto faceline_color_info{RawData::RandomMiiFacelineColor.at(
-        3 * static_cast<std::size_t>(gender) + static_cast<std::size_t>(race))};
-    const auto faceline_wrinkle_info{RawData::RandomMiiFacelineWrinkle.at(index)};
-    const auto faceline_makeup_info{RawData::RandomMiiFacelineMakeup.at(index)};
-    const auto hair_type_info{RawData::RandomMiiHairType.at(index)};
-    const auto hair_color_info{RawData::RandomMiiHairColor.at(3 * static_cast<std::size_t>(race) +
-                                                              static_cast<std::size_t>(age))};
-    const auto eye_type_info{RawData::RandomMiiEyeType.at(index)};
-    const auto eye_color_info{RawData::RandomMiiEyeColor.at(static_cast<std::size_t>(race))};
-    const auto eyebrow_type_info{RawData::RandomMiiEyebrowType.at(index)};
-    const auto nose_type_info{RawData::RandomMiiNoseType.at(index)};
-    const auto mouth_type_info{RawData::RandomMiiMouthType.at(index)};
-    const auto glasses_type_info{RawData::RandomMiiGlassType.at(static_cast<std::size_t>(age))};
-
-    bf.faceline_type.Assign(
-        faceline_type_info.values[GetRandomValue<std::size_t>(faceline_type_info.values_count)]);
-    bf.faceline_color.Assign(
-        faceline_color_info.values[GetRandomValue<std::size_t>(faceline_color_info.values_count)]);
-    bf.faceline_wrinkle.Assign(
-        faceline_wrinkle_info
-            .values[GetRandomValue<std::size_t>(faceline_wrinkle_info.values_count)]);
-    bf.faceline_makeup.Assign(
-        faceline_makeup_info
-            .values[GetRandomValue<std::size_t>(faceline_makeup_info.values_count)]);
-
-    bf.hair_type.Assign(
-        hair_type_info.values[GetRandomValue<std::size_t>(hair_type_info.values_count)]);
-    bf.hair_color.Assign(
-        HairColorLookup[hair_color_info
-                            .values[GetRandomValue<std::size_t>(hair_color_info.values_count)]]);
-    bf.hair_flip.Assign(GetRandomValue<HairFlip>(HairFlip::Maximum));
-
-    bf.eye_type.Assign(
-        eye_type_info.values[GetRandomValue<std::size_t>(eye_type_info.values_count)]);
-
-    const auto eye_rotate_1{gender != Gender::Male ? 4 : 2};
-    const auto eye_rotate_2{gender != Gender::Male ? 3 : 4};
-    const auto eye_rotate_offset{32 - EyeRotateLookup[eye_rotate_1] + eye_rotate_2};
-    const auto eye_rotate{32 - EyeRotateLookup[bf.eye_type]};
-
-    bf.eye_color.Assign(
-        EyeColorLookup[eye_color_info
-                           .values[GetRandomValue<std::size_t>(eye_color_info.values_count)]]);
-    bf.eye_scale.Assign(4);
-    bf.eye_aspect.Assign(3);
-    bf.eye_rotate.Assign(eye_rotate_offset - eye_rotate);
-    bf.eye_x.Assign(2);
-    bf.eye_y.Assign(axis_y + 12);
-
-    bf.eyebrow_type.Assign(
-        eyebrow_type_info.values[GetRandomValue<std::size_t>(eyebrow_type_info.values_count)]);
-
-    const auto eyebrow_rotate_1{race == Race::Asian ? 6 : 0};
-    const auto eyebrow_y{race == Race::Asian ? 9 : 10};
-    const auto eyebrow_rotate_offset{32 - EyebrowRotateLookup[eyebrow_rotate_1] + 6};
-    const auto eyebrow_rotate{
-        32 - EyebrowRotateLookup[static_cast<std::size_t>(bf.eyebrow_type.Value())]};
-
-    bf.eyebrow_color.Assign(bf.hair_color);
-    bf.eyebrow_scale.Assign(4);
-    bf.eyebrow_aspect.Assign(3);
-    bf.eyebrow_rotate.Assign(eyebrow_rotate_offset - eyebrow_rotate);
-    bf.eyebrow_x.Assign(2);
-    bf.eyebrow_y.Assign(axis_y + eyebrow_y);
-
-    const auto nose_scale{gender == Gender::Female ? 3 : 4};
-
-    bf.nose_type.Assign(
-        nose_type_info.values[GetRandomValue<std::size_t>(nose_type_info.values_count)]);
-    bf.nose_scale.Assign(nose_scale);
-    bf.nose_y.Assign(axis_y + 9);
-
-    const auto mouth_color{gender == Gender::Female ? GetRandomValue<int>(4) : 0};
-
-    bf.mouth_type.Assign(
-        mouth_type_info.values[GetRandomValue<std::size_t>(mouth_type_info.values_count)]);
-    bf.mouth_color.Assign(MouthColorLookup[mouth_color]);
-    bf.mouth_scale.Assign(4);
-    bf.mouth_aspect.Assign(3);
-    bf.mouth_y.Assign(axis_y + 13);
-
-    bf.beard_color.Assign(bf.hair_color);
-    bf.mustache_scale.Assign(4);
-
-    if (gender == Gender::Male && age != Age::Young && GetRandomValue<int>(10) < 2) {
-        const auto mustache_and_beard_flag{
-            GetRandomValue<BeardAndMustacheFlag>(BeardAndMustacheFlag::All)};
-
-        auto beard_type{BeardType::None};
-        auto mustache_type{MustacheType::None};
-
-        if ((mustache_and_beard_flag & BeardAndMustacheFlag::Beard) ==
-            BeardAndMustacheFlag::Beard) {
-            beard_type = GetRandomValue<BeardType>(BeardType::Beard1, BeardType::Beard5);
-        }
-
-        if ((mustache_and_beard_flag & BeardAndMustacheFlag::Mustache) ==
-            BeardAndMustacheFlag::Mustache) {
-            mustache_type =
-                GetRandomValue<MustacheType>(MustacheType::Mustache1, MustacheType::Mustache5);
-        }
-
-        bf.mustache_type.Assign(mustache_type);
-        bf.beard_type.Assign(beard_type);
-        bf.mustache_y.Assign(10);
-    } else {
-        bf.mustache_type.Assign(MustacheType::None);
-        bf.beard_type.Assign(BeardType::None);
-        bf.mustache_y.Assign(axis_y + 10);
-    }
-
-    const auto glasses_type_start{GetRandomValue<std::size_t>(100)};
-    u8 glasses_type{};
-    while (glasses_type_start < glasses_type_info.values[glasses_type]) {
-        if (++glasses_type >= glasses_type_info.values_count) {
-            ASSERT(false);
-            break;
-        }
-    }
-
-    bf.glasses_type.Assign(glasses_type);
-    bf.glasses_color.Assign(GlassesColorLookup[0]);
-    bf.glasses_scale.Assign(4);
-    bf.glasses_y.Assign(axis_y + 10);
-
-    bf.mole_type.Assign(0);
-    bf.mole_scale.Assign(4);
-    bf.mole_x.Assign(2);
-    bf.mole_y.Assign(20);
-
-    return {DefaultMiiName, bf, user_id};
-}
-
-MiiStoreData BuildDefaultStoreData(const DefaultMii& info, const Common::UUID& user_id) {
-    MiiStoreBitFields bf{};
-
-    bf.font_region.Assign(info.font_region);
-    bf.favorite_color.Assign(info.favorite_color);
-    bf.gender.Assign(info.gender);
-    bf.height.Assign(info.height);
-    bf.build.Assign(info.weight);
-    bf.type.Assign(info.type);
-    bf.region_move.Assign(info.region);
-    bf.faceline_type.Assign(info.face_type);
-    bf.faceline_color.Assign(info.face_color);
-    bf.faceline_wrinkle.Assign(info.face_wrinkle);
-    bf.faceline_makeup.Assign(info.face_makeup);
-    bf.hair_type.Assign(info.hair_type);
-    bf.hair_color.Assign(HairColorLookup[info.hair_color]);
-    bf.hair_flip.Assign(static_cast<HairFlip>(info.hair_flip));
-    bf.eye_type.Assign(info.eye_type);
-    bf.eye_color.Assign(EyeColorLookup[info.eye_color]);
-    bf.eye_scale.Assign(info.eye_scale);
-    bf.eye_aspect.Assign(info.eye_aspect);
-    bf.eye_rotate.Assign(info.eye_rotate);
-    bf.eye_x.Assign(info.eye_x);
-    bf.eye_y.Assign(info.eye_y);
-    bf.eyebrow_type.Assign(info.eyebrow_type);
-    bf.eyebrow_color.Assign(HairColorLookup[info.eyebrow_color]);
-    bf.eyebrow_scale.Assign(info.eyebrow_scale);
-    bf.eyebrow_aspect.Assign(info.eyebrow_aspect);
-    bf.eyebrow_rotate.Assign(info.eyebrow_rotate);
-    bf.eyebrow_x.Assign(info.eyebrow_x);
-    bf.eyebrow_y.Assign(info.eyebrow_y - 3);
-    bf.nose_type.Assign(info.nose_type);
-    bf.nose_scale.Assign(info.nose_scale);
-    bf.nose_y.Assign(info.nose_y);
-    bf.mouth_type.Assign(info.mouth_type);
-    bf.mouth_color.Assign(MouthColorLookup[info.mouth_color]);
-    bf.mouth_scale.Assign(info.mouth_scale);
-    bf.mouth_aspect.Assign(info.mouth_aspect);
-    bf.mouth_y.Assign(info.mouth_y);
-    bf.beard_color.Assign(HairColorLookup[info.beard_color]);
-    bf.beard_type.Assign(static_cast<BeardType>(info.beard_type));
-    bf.mustache_type.Assign(static_cast<MustacheType>(info.mustache_type));
-    bf.mustache_scale.Assign(info.mustache_scale);
-    bf.mustache_y.Assign(info.mustache_y);
-    bf.glasses_type.Assign(info.glasses_type);
-    bf.glasses_color.Assign(GlassesColorLookup[info.glasses_color]);
-    bf.glasses_scale.Assign(info.glasses_scale);
-    bf.glasses_y.Assign(info.glasses_y);
-    bf.mole_type.Assign(info.mole_type);
-    bf.mole_scale.Assign(info.mole_scale);
-    bf.mole_x.Assign(info.mole_x);
-    bf.mole_y.Assign(info.mole_y);
-
-    return {DefaultMiiName, bf, user_id};
-}
-
-} // namespace
-
-MiiStoreData::MiiStoreData() = default;
-
-MiiStoreData::MiiStoreData(const MiiStoreData::Name& name, const MiiStoreBitFields& bit_fields,
-                           const Common::UUID& user_id) {
-    data.name = name;
-    data.uuid = Common::UUID::MakeRandomRFC4122V4();
-
-    std::memcpy(data.data.data(), &bit_fields, sizeof(MiiStoreBitFields));
-    data_crc = GenerateCrc16(data.data.data(), sizeof(data));
-    device_crc = GenerateCrc16(&user_id, sizeof(Common::UUID));
-}
-
-MiiManager::MiiManager() : user_id{Service::Account::ProfileManager().GetLastOpenedUser()} {}
-
-bool MiiManager::CheckAndResetUpdateCounter(SourceFlag source_flag, u64& current_update_counter) {
     if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
         return false;
     }
 
-    const bool result{current_update_counter != update_counter};
+    const auto metadata_update_counter = metadata.update_counter;
-
+    metadata.update_counter = update_counter;
-    current_update_counter = update_counter;
+    return metadata_update_counter != update_counter;
-
-    return result;
 }
 
 bool MiiManager::IsFullDatabase() const {
@@ -396,306 +35,138 @@ bool MiiManager::IsFullDatabase() const {
     return false;
 }
 
-u32 MiiManager::GetCount(SourceFlag source_flag) const {
+u32 MiiManager::GetCount(const DatabaseSessionMetadata& metadata, SourceFlag source_flag) const {
-    std::size_t count{};
+    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
-        count += 0;
     }
-    if ((source_flag & SourceFlag::Default) != SourceFlag::None) {
+    return mii_count;
-        count += DefaultMiiCount;
-    }
-    return static_cast<u32>(count);
 }
 
-Result MiiManager::UpdateLatest(CharInfo* out_info, const CharInfo& info, SourceFlag source_flag) {
+Result MiiManager::UpdateLatest(DatabaseSessionMetadata& metadata, CharInfo& out_char_info,
+                                const CharInfo& char_info, SourceFlag source_flag) {
     if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
-        return ERROR_CANNOT_FIND_ENTRY;
+        return ResultNotFound;
     }
 
     // TODO(bunnei): We don't implement the Mii database, so we can't have an entry
-    return ERROR_CANNOT_FIND_ENTRY;
+    return ResultNotFound;
 }
 
-CharInfo MiiManager::BuildRandom(Age age, Gender gender, Race race) {
+void MiiManager::BuildDefault(CharInfo& out_char_info, u32 index) const {
-    return ConvertStoreDataToInfo(BuildRandomStoreData(age, gender, race, user_id));
+    StoreData store_data{};
+    store_data.BuildDefault(index);
+    out_char_info.SetFromStoreData(store_data);
 }
 
-CharInfo MiiManager::BuildBase(Gender gender) {
+void MiiManager::BuildBase(CharInfo& out_char_info, Gender gender) const {
-    const std::size_t index = gender == Gender::Female ? 1 : 0;
+    StoreData store_data{};
-    return ConvertStoreDataToInfo(BuildDefaultStoreData(RawData::BaseMii.at(index), user_id));
+    store_data.BuildBase(gender);
+    out_char_info.SetFromStoreData(store_data);
 }
 
-CharInfo MiiManager::BuildDefault(std::size_t index) {
+void MiiManager::BuildRandom(CharInfo& out_char_info, Age age, Gender gender, Race race) const {
-    return ConvertStoreDataToInfo(BuildDefaultStoreData(RawData::DefaultMii.at(index), user_id));
+    StoreData store_data{};
+    store_data.BuildRandom(age, gender, race);
+    out_char_info.SetFromStoreData(store_data);
 }
 
-CharInfo MiiManager::ConvertV3ToCharInfo(const Ver3StoreData& mii_v3) const {
+void MiiManager::ConvertV3ToCharInfo(CharInfo& out_char_info, const Ver3StoreData& mii_v3) const {
-    Service::Mii::MiiManager manager;
+    StoreData store_data{};
-    auto mii = manager.BuildBase(Mii::Gender::Male);
+    mii_v3.BuildToStoreData(store_data);
+    out_char_info.SetFromStoreData(store_data);
+}
 
-    if (!ValidateV3Info(mii_v3)) {
+Result MiiManager::Get(const DatabaseSessionMetadata& metadata,
-        return mii;
+                       std::span<CharInfoElement> out_elements, u32& out_count,
+                       SourceFlag source_flag) {
+    if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
+        return BuildDefault(out_elements, out_count, source_flag);
     }
 
-    // TODO: We are ignoring a bunch of data from the mii_v3
+    // TODO(bunnei): We don't implement the Mii database, so we can't have an entry
 
-    mii.gender = static_cast<u8>(mii_v3.mii_information.gender);
+    // Include default Mii at the end of the list
-    mii.favorite_color = static_cast<u8>(mii_v3.mii_information.favorite_color);
+    return BuildDefault(out_elements, out_count, source_flag);
-    mii.height = mii_v3.height;
+}
-    mii.build = mii_v3.build;
 
-    // Copy name until string terminator
+Result MiiManager::Get(const DatabaseSessionMetadata& metadata, std::span<CharInfo> out_char_info,
-    mii.name = {};
+                       u32& out_count, SourceFlag source_flag) {
-    for (std::size_t index = 0; index < mii.name.size() - 1; index++) {
+    if ((source_flag & SourceFlag::Database) == SourceFlag::None) {
-        mii.name[index] = mii_v3.mii_name[index];
+        return BuildDefault(out_char_info, out_count, source_flag);
-        if (mii.name[index] == 0) {
-            break;
-        }
     }
 
-    mii.font_region = mii_v3.region_information.character_set;
+    // TODO(bunnei): We don't implement the Mii database, so we can't have an entry
 
-    mii.faceline_type = mii_v3.appearance_bits1.face_shape;
+    // Include default Mii at the end of the list
-    mii.faceline_color = mii_v3.appearance_bits1.skin_color;
+    return BuildDefault(out_char_info, out_count, source_flag);
-    mii.faceline_wrinkle = mii_v3.appearance_bits2.wrinkles;
-    mii.faceline_make = mii_v3.appearance_bits2.makeup;
-
-    mii.hair_type = mii_v3.hair_style;
-    mii.hair_color = mii_v3.appearance_bits3.hair_color;
-    mii.hair_flip = mii_v3.appearance_bits3.flip_hair;
-
-    mii.eye_type = static_cast<u8>(mii_v3.appearance_bits4.eye_type);
-    mii.eye_color = static_cast<u8>(mii_v3.appearance_bits4.eye_color);
-    mii.eye_scale = static_cast<u8>(mii_v3.appearance_bits4.eye_scale);
-    mii.eye_aspect = static_cast<u8>(mii_v3.appearance_bits4.eye_vertical_stretch);
-    mii.eye_rotate = static_cast<u8>(mii_v3.appearance_bits4.eye_rotation);
-    mii.eye_x = static_cast<u8>(mii_v3.appearance_bits4.eye_spacing);
-    mii.eye_y = static_cast<u8>(mii_v3.appearance_bits4.eye_y_position);
-
-    mii.eyebrow_type = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_style);
-    mii.eyebrow_color = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_color);
-    mii.eyebrow_scale = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_scale);
-    mii.eyebrow_aspect = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_yscale);
-    mii.eyebrow_rotate = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_rotation);
-    mii.eyebrow_x = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_spacing);
-    mii.eyebrow_y = static_cast<u8>(mii_v3.appearance_bits5.eyebrow_y_position);
-
-    mii.nose_type = static_cast<u8>(mii_v3.appearance_bits6.nose_type);
-    mii.nose_scale = static_cast<u8>(mii_v3.appearance_bits6.nose_scale);
-    mii.nose_y = static_cast<u8>(mii_v3.appearance_bits6.nose_y_position);
-
-    mii.mouth_type = static_cast<u8>(mii_v3.appearance_bits7.mouth_type);
-    mii.mouth_color = static_cast<u8>(mii_v3.appearance_bits7.mouth_color);
-    mii.mouth_scale = static_cast<u8>(mii_v3.appearance_bits7.mouth_scale);
-    mii.mouth_aspect = static_cast<u8>(mii_v3.appearance_bits7.mouth_horizontal_stretch);
-    mii.mouth_y = static_cast<u8>(mii_v3.appearance_bits8.mouth_y_position);
-
-    mii.mustache_type = static_cast<u8>(mii_v3.appearance_bits8.mustache_type);
-    mii.mustache_scale = static_cast<u8>(mii_v3.appearance_bits9.mustache_scale);
-    mii.mustache_y = static_cast<u8>(mii_v3.appearance_bits9.mustache_y_position);
-
-    mii.beard_type = static_cast<u8>(mii_v3.appearance_bits9.bear_type);
-    mii.beard_color = static_cast<u8>(mii_v3.appearance_bits9.facial_hair_color);
-
-    mii.glasses_type = static_cast<u8>(mii_v3.appearance_bits10.glasses_type);
-    mii.glasses_color = static_cast<u8>(mii_v3.appearance_bits10.glasses_color);
-    mii.glasses_scale = static_cast<u8>(mii_v3.appearance_bits10.glasses_scale);
-    mii.glasses_y = static_cast<u8>(mii_v3.appearance_bits10.glasses_y_position);
-
-    mii.mole_type = static_cast<u8>(mii_v3.appearance_bits11.mole_enabled);
-    mii.mole_scale = static_cast<u8>(mii_v3.appearance_bits11.mole_scale);
-    mii.mole_x = static_cast<u8>(mii_v3.appearance_bits11.mole_x_position);
-    mii.mole_y = static_cast<u8>(mii_v3.appearance_bits11.mole_y_position);
-
-    // TODO: Validate mii data
-
-    return mii;
 }
 
-Ver3StoreData MiiManager::BuildFromStoreData(const CharInfo& mii) const {
+Result MiiManager::BuildDefault(std::span<CharInfoElement> out_elements, u32& out_count,
-    Service::Mii::MiiManager manager;
+                                SourceFlag source_flag) {
-    Ver3StoreData mii_v3{};
-
-    // TODO: We are ignoring a bunch of data from the mii_v3
-
-    mii_v3.version = 1;
-    mii_v3.mii_information.gender.Assign(mii.gender);
-    mii_v3.mii_information.favorite_color.Assign(mii.favorite_color);
-    mii_v3.height = mii.height;
-    mii_v3.build = mii.build;
-
-    // Copy name until string terminator
-    mii_v3.mii_name = {};
-    for (std::size_t index = 0; index < mii.name.size() - 1; index++) {
-        mii_v3.mii_name[index] = mii.name[index];
-        if (mii_v3.mii_name[index] == 0) {
-            break;
-        }
-    }
-
-    mii_v3.region_information.character_set.Assign(mii.font_region);
-
-    mii_v3.appearance_bits1.face_shape.Assign(mii.faceline_type);
-    mii_v3.appearance_bits2.wrinkles.Assign(mii.faceline_wrinkle);
-    mii_v3.appearance_bits2.makeup.Assign(mii.faceline_make);
-
-    mii_v3.hair_style = mii.hair_type;
-    mii_v3.appearance_bits3.flip_hair.Assign(mii.hair_flip);
-
-    mii_v3.appearance_bits4.eye_type.Assign(mii.eye_type);
-    mii_v3.appearance_bits4.eye_scale.Assign(mii.eye_scale);
-    mii_v3.appearance_bits4.eye_vertical_stretch.Assign(mii.eye_aspect);
-    mii_v3.appearance_bits4.eye_rotation.Assign(mii.eye_rotate);
-    mii_v3.appearance_bits4.eye_spacing.Assign(mii.eye_x);
-    mii_v3.appearance_bits4.eye_y_position.Assign(mii.eye_y);
-
-    mii_v3.appearance_bits5.eyebrow_style.Assign(mii.eyebrow_type);
-    mii_v3.appearance_bits5.eyebrow_scale.Assign(mii.eyebrow_scale);
-    mii_v3.appearance_bits5.eyebrow_yscale.Assign(mii.eyebrow_aspect);
-    mii_v3.appearance_bits5.eyebrow_rotation.Assign(mii.eyebrow_rotate);
-    mii_v3.appearance_bits5.eyebrow_spacing.Assign(mii.eyebrow_x);
-    mii_v3.appearance_bits5.eyebrow_y_position.Assign(mii.eyebrow_y);
-
-    mii_v3.appearance_bits6.nose_type.Assign(mii.nose_type);
-    mii_v3.appearance_bits6.nose_scale.Assign(mii.nose_scale);
-    mii_v3.appearance_bits6.nose_y_position.Assign(mii.nose_y);
-
-    mii_v3.appearance_bits7.mouth_type.Assign(mii.mouth_type);
-    mii_v3.appearance_bits7.mouth_scale.Assign(mii.mouth_scale);
-    mii_v3.appearance_bits7.mouth_horizontal_stretch.Assign(mii.mouth_aspect);
-    mii_v3.appearance_bits8.mouth_y_position.Assign(mii.mouth_y);
-
-    mii_v3.appearance_bits8.mustache_type.Assign(mii.mustache_type);
-    mii_v3.appearance_bits9.mustache_scale.Assign(mii.mustache_scale);
-    mii_v3.appearance_bits9.mustache_y_position.Assign(mii.mustache_y);
-
-    mii_v3.appearance_bits9.bear_type.Assign(mii.beard_type);
-
-    mii_v3.appearance_bits10.glasses_scale.Assign(mii.glasses_scale);
-    mii_v3.appearance_bits10.glasses_y_position.Assign(mii.glasses_y);
-
-    mii_v3.appearance_bits11.mole_enabled.Assign(mii.mole_type);
-    mii_v3.appearance_bits11.mole_scale.Assign(mii.mole_scale);
-    mii_v3.appearance_bits11.mole_x_position.Assign(mii.mole_x);
-    mii_v3.appearance_bits11.mole_y_position.Assign(mii.mole_y);
-
-    // These types are converted to V3 from a table
-    mii_v3.appearance_bits1.skin_color.Assign(Ver3FacelineColorTable[mii.faceline_color]);
-    mii_v3.appearance_bits3.hair_color.Assign(Ver3HairColorTable[mii.hair_color]);
-    mii_v3.appearance_bits4.eye_color.Assign(Ver3EyeColorTable[mii.eye_color]);
-    mii_v3.appearance_bits5.eyebrow_color.Assign(Ver3HairColorTable[mii.eyebrow_color]);
-    mii_v3.appearance_bits7.mouth_color.Assign(Ver3MouthlineColorTable[mii.mouth_color]);
-    mii_v3.appearance_bits9.facial_hair_color.Assign(Ver3HairColorTable[mii.beard_color]);
-    mii_v3.appearance_bits10.glasses_color.Assign(Ver3GlassColorTable[mii.glasses_color]);
-    mii_v3.appearance_bits10.glasses_type.Assign(Ver3GlassTypeTable[mii.glasses_type]);
-
-    mii_v3.crc = GenerateCrc16(&mii_v3, sizeof(Ver3StoreData) - sizeof(u16));
-
-    // TODO: Validate mii_v3 data
-
-    return mii_v3;
-}
-
-NfpStoreDataExtension MiiManager::SetFromStoreData(const CharInfo& mii) const {
-    return {
-        .faceline_color = static_cast<u8>(mii.faceline_color & 0xf),
-        .hair_color = static_cast<u8>(mii.hair_color & 0x7f),
-        .eye_color = static_cast<u8>(mii.eyebrow_color & 0x7f),
-        .eyebrow_color = static_cast<u8>(mii.eyebrow_color & 0x7f),
-        .mouth_color = static_cast<u8>(mii.mouth_color & 0x7f),
-        .beard_color = static_cast<u8>(mii.beard_color & 0x7f),
-        .glass_color = static_cast<u8>(mii.glasses_color & 0x7f),
-        .glass_type = static_cast<u8>(mii.glasses_type & 0x1f),
-    };
-}
-
-bool MiiManager::ValidateV3Info(const Ver3StoreData& mii_v3) const {
-    bool is_valid = mii_v3.version == 0 || mii_v3.version == 3;
-
-    is_valid = is_valid && (mii_v3.mii_name[0] != 0);
-
-    is_valid = is_valid && (mii_v3.mii_information.birth_month < 13);
-    is_valid = is_valid && (mii_v3.mii_information.birth_day < 32);
-    is_valid = is_valid && (mii_v3.mii_information.favorite_color < 12);
-    is_valid = is_valid && (mii_v3.height < 128);
-    is_valid = is_valid && (mii_v3.build < 128);
-
-    is_valid = is_valid && (mii_v3.appearance_bits1.face_shape < 12);
-    is_valid = is_valid && (mii_v3.appearance_bits1.skin_color < 7);
-    is_valid = is_valid && (mii_v3.appearance_bits2.wrinkles < 12);
-    is_valid = is_valid && (mii_v3.appearance_bits2.makeup < 12);
-
-    is_valid = is_valid && (mii_v3.hair_style < 132);
-    is_valid = is_valid && (mii_v3.appearance_bits3.hair_color < 8);
-
-    is_valid = is_valid && (mii_v3.appearance_bits4.eye_type < 60);
-    is_valid = is_valid && (mii_v3.appearance_bits4.eye_color < 6);
-    is_valid = is_valid && (mii_v3.appearance_bits4.eye_scale < 8);
-    is_valid = is_valid && (mii_v3.appearance_bits4.eye_vertical_stretch < 7);
-    is_valid = is_valid && (mii_v3.appearance_bits4.eye_rotation < 8);
-    is_valid = is_valid && (mii_v3.appearance_bits4.eye_spacing < 13);
-    is_valid = is_valid && (mii_v3.appearance_bits4.eye_y_position < 19);
-
-    is_valid = is_valid && (mii_v3.appearance_bits5.eyebrow_style < 25);
-    is_valid = is_valid && (mii_v3.appearance_bits5.eyebrow_color < 8);
-    is_valid = is_valid && (mii_v3.appearance_bits5.eyebrow_scale < 9);
-    is_valid = is_valid && (mii_v3.appearance_bits5.eyebrow_yscale < 7);
-    is_valid = is_valid && (mii_v3.appearance_bits5.eyebrow_rotation < 12);
-    is_valid = is_valid && (mii_v3.appearance_bits5.eyebrow_spacing < 12);
-    is_valid = is_valid && (mii_v3.appearance_bits5.eyebrow_y_position < 19);
-
-    is_valid = is_valid && (mii_v3.appearance_bits6.nose_type < 18);
-    is_valid = is_valid && (mii_v3.appearance_bits6.nose_scale < 9);
-    is_valid = is_valid && (mii_v3.appearance_bits6.nose_y_position < 19);
-
-    is_valid = is_valid && (mii_v3.appearance_bits7.mouth_type < 36);
-    is_valid = is_valid && (mii_v3.appearance_bits7.mouth_color < 5);
-    is_valid = is_valid && (mii_v3.appearance_bits7.mouth_scale < 9);
-    is_valid = is_valid && (mii_v3.appearance_bits7.mouth_horizontal_stretch < 7);
-    is_valid = is_valid && (mii_v3.appearance_bits8.mouth_y_position < 19);
-
-    is_valid = is_valid && (mii_v3.appearance_bits8.mustache_type < 6);
-    is_valid = is_valid && (mii_v3.appearance_bits9.mustache_scale < 7);
-    is_valid = is_valid && (mii_v3.appearance_bits9.mustache_y_position < 17);
-
-    is_valid = is_valid && (mii_v3.appearance_bits9.bear_type < 6);
-    is_valid = is_valid && (mii_v3.appearance_bits9.facial_hair_color < 8);
-
-    is_valid = is_valid && (mii_v3.appearance_bits10.glasses_type < 9);
-    is_valid = is_valid && (mii_v3.appearance_bits10.glasses_color < 6);
-    is_valid = is_valid && (mii_v3.appearance_bits10.glasses_scale < 8);
-    is_valid = is_valid && (mii_v3.appearance_bits10.glasses_y_position < 21);
-
-    is_valid = is_valid && (mii_v3.appearance_bits11.mole_enabled < 2);
-    is_valid = is_valid && (mii_v3.appearance_bits11.mole_scale < 9);
-    is_valid = is_valid && (mii_v3.appearance_bits11.mole_x_position < 17);
-    is_valid = is_valid && (mii_v3.appearance_bits11.mole_y_position < 31);
-
-    return is_valid;
-}
-
-std::vector<MiiInfoElement> MiiManager::GetDefault(SourceFlag source_flag) {
-    std::vector<MiiInfoElement> result;
-
     if ((source_flag & SourceFlag::Default) == SourceFlag::None) {
-        return result;
+        return ResultSuccess;
     }
 
-    for (std::size_t index = 0; index < DefaultMiiCount; index++) {
+    StoreData store_data{};
-        result.emplace_back(BuildDefault(index), Source::Default);
+
+    for (std::size_t index = 0; index < DefaultMiiCount; ++index) {
+        if (out_elements.size() <= static_cast<std::size_t>(out_count)) {
+            return ResultInvalidArgumentSize;
+        }
+
+        store_data.BuildDefault(static_cast<u32>(index));
+
+        out_elements[out_count].source = Source::Default;
+        out_elements[out_count].char_info.SetFromStoreData(store_data);
+        out_count++;
     }
 
-    return result;
+    return ResultSuccess;
 }
 
-Result MiiManager::GetIndex([[maybe_unused]] const CharInfo& info, u32& index) {
+Result MiiManager::BuildDefault(std::span<CharInfo> out_char_info, u32& out_count,
+                                SourceFlag source_flag) {
+    if ((source_flag & SourceFlag::Default) == SourceFlag::None) {
+        return ResultSuccess;
+    }
+
+    StoreData store_data{};
+
+    for (std::size_t index = 0; index < DefaultMiiCount; ++index) {
+        if (out_char_info.size() <= static_cast<std::size_t>(out_count)) {
+            return ResultInvalidArgumentSize;
+        }
+
+        store_data.BuildDefault(static_cast<u32>(index));
+
+        out_char_info[out_count].SetFromStoreData(store_data);
+        out_count++;
+    }
+
+    return ResultSuccess;
+}
+
+Result MiiManager::GetIndex(const DatabaseSessionMetadata& metadata, const CharInfo& char_info,
+                            s32& out_index) {
+
+    if (char_info.Verify() != ValidationResult::NoErrors) {
+        return ResultInvalidCharInfo;
+    }
+
     constexpr u32 INVALID_INDEX{0xFFFFFFFF};
 
-    index = INVALID_INDEX;
+    out_index = INVALID_INDEX;
 
     // TODO(bunnei): We don't implement the Mii database, so we can't have an index
-    return ERROR_CANNOT_FIND_ENTRY;
+    return ResultNotFound;
+}
+
+void MiiManager::SetInterfaceVersion(DatabaseSessionMetadata& metadata, u32 version) {
+    metadata.interface_version = version;
 }
 
 } // namespace Service::Mii

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

@@ -6,7 +6,10 @@
 #include <vector>
 
 #include "core/hle/result.h"
-#include "core/hle/service/mii/types.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 {
 
@@ -16,26 +19,30 @@ class MiiManager {
 public:
     MiiManager();
 
-    bool CheckAndResetUpdateCounter(SourceFlag source_flag, u64& current_update_counter);
+    bool IsUpdated(DatabaseSessionMetadata& metadata, SourceFlag source_flag) const;
+
     bool IsFullDatabase() const;
-    u32 GetCount(SourceFlag source_flag) const;
+    u32 GetCount(const DatabaseSessionMetadata& metadata, SourceFlag source_flag) const;
-    Result UpdateLatest(CharInfo* out_info, const CharInfo& info, SourceFlag source_flag);
+    Result UpdateLatest(DatabaseSessionMetadata& metadata, CharInfo& out_char_info,
-    CharInfo BuildRandom(Age age, Gender gender, Race race);
+                        const CharInfo& char_info, SourceFlag source_flag);
-    CharInfo BuildBase(Gender gender);
+    Result Get(const DatabaseSessionMetadata& metadata, std::span<CharInfoElement> out_elements,
-    CharInfo BuildDefault(std::size_t index);
+               u32& out_count, SourceFlag source_flag);
-    CharInfo ConvertV3ToCharInfo(const Ver3StoreData& mii_v3) const;
+    Result Get(const DatabaseSessionMetadata& metadata, std::span<CharInfo> out_char_info,
-    bool ValidateV3Info(const Ver3StoreData& mii_v3) const;
+               u32& out_count, SourceFlag source_flag);
-    std::vector<MiiInfoElement> GetDefault(SourceFlag source_flag);
+    void BuildDefault(CharInfo& out_char_info, u32 index) const;
-    Result GetIndex(const CharInfo& info, u32& index);
+    void BuildBase(CharInfo& out_char_info, Gender gender) const;
-
+    void BuildRandom(CharInfo& out_char_info, Age age, Gender gender, Race race) const;
-    // This is nn::mii::detail::Ver::StoreDataRaw::BuildFromStoreData
+    void ConvertV3ToCharInfo(CharInfo& out_char_info, const Ver3StoreData& mii_v3) const;
-    Ver3StoreData BuildFromStoreData(const CharInfo& mii) const;
+    std::vector<CharInfoElement> GetDefault(SourceFlag source_flag);
-
+    Result GetIndex(const DatabaseSessionMetadata& metadata, const CharInfo& char_info,
-    // This is nn::mii::detail::NfpStoreDataExtentionRaw::SetFromStoreData
+                    s32& out_index);
-    NfpStoreDataExtension SetFromStoreData(const CharInfo& mii) const;
+    void SetInterfaceVersion(DatabaseSessionMetadata& metadata, u32 version);
 
 private:
-    const Common::UUID user_id{};
+    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);
+
     u64 update_counter{};
 };
 

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

@@ -0,0 +1,20 @@
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/result.h"
+
+namespace Service::Mii {
+
+constexpr Result ResultInvalidArgument{ErrorModule::Mii, 1};
+constexpr Result ResultInvalidArgumentSize{ErrorModule::Mii, 2};
+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 ResultInvalidStoreData{ErrorModule::Mii, 109};
+constexpr Result ResultInvalidOperation{ErrorModule::Mii, 202};
+constexpr Result ResultPermissionDenied{ErrorModule::Mii, 203};
+
+}; // namespace Service::Mii

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

@@ -0,0 +1,694 @@
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+#include <type_traits>
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/uuid.h"
+
+namespace Service::Mii {
+
+constexpr u8 MaxHeight = 127;
+constexpr u8 MaxBuild = 127;
+constexpr u8 MaxType = 1;
+constexpr u8 MaxRegionMove = 3;
+constexpr u8 MaxEyeScale = 7;
+constexpr u8 MaxEyeAspect = 6;
+constexpr u8 MaxEyeRotate = 7;
+constexpr u8 MaxEyeX = 12;
+constexpr u8 MaxEyeY = 18;
+constexpr u8 MaxEyebrowScale = 8;
+constexpr u8 MaxEyebrowAspect = 6;
+constexpr u8 MaxEyebrowRotate = 11;
+constexpr u8 MaxEyebrowX = 12;
+constexpr u8 MaxEyebrowY = 18;
+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 MaxGlassScale = 7;
+constexpr u8 MaxGlassY = 20;
+constexpr u8 MaxMoleScale = 8;
+constexpr u8 MaxMoleX = 16;
+constexpr u8 MaxMoleY = 30;
+constexpr u8 MaxVer3CommonColor = 7;
+constexpr u8 MaxVer3GlassType = 8;
+
+enum class Age : u8 {
+    Young,
+    Normal,
+    Old,
+    All, // Default
+
+    Max = All,
+};
+
+enum class Gender : u8 {
+    Male,
+    Female,
+    All, // Default
+
+    Max = Female,
+};
+
+enum class Race : u8 {
+    Black,
+    White,
+    Asian,
+    All, // Default
+
+    Max = All,
+};
+
+enum class HairType : u8 {
+    NormalLong, // Default
+    NormalShort,
+    NormalMedium,
+    NormalExtraLong,
+    NormalLongBottom,
+    NormalTwoPeaks,
+    PartingLong,
+    FrontLock,
+    PartingShort,
+    PartingExtraLongCurved,
+    PartingExtraLong,
+    PartingMiddleLong,
+    PartingSquared,
+    PartingLongBottom,
+    PeaksTop,
+    PeaksSquared,
+    PartingPeaks,
+    PeaksLongBottom,
+    Peaks,
+    PeaksRounded,
+    PeaksSide,
+    PeaksMedium,
+    PeaksLong,
+    PeaksRoundedLong,
+    PartingFrontPeaks,
+    PartingLongFront,
+    PartingLongRounded,
+    PartingFrontPeaksLong,
+    PartingExtraLongRounded,
+    LongRounded,
+    NormalUnknown1,
+    NormalUnknown2,
+    NormalUnknown3,
+    NormalUnknown4,
+    NormalUnknown5,
+    NormalUnknown6,
+    DreadLocks,
+    PlatedMats,
+    Caps,
+    Afro,
+    PlatedMatsLong,
+    Beanie,
+    Short,
+    ShortTopLongSide,
+    ShortUnknown1,
+    ShortUnknown2,
+    MilitaryParting,
+    Military,
+    ShortUnknown3,
+    ShortUnknown4,
+    ShortUnknown5,
+    ShortUnknown6,
+    NoneTop,
+    None,
+    LongUnknown1,
+    LongUnknown2,
+    LongUnknown3,
+    LongUnknown4,
+    LongUnknown5,
+    LongUnknown6,
+    LongUnknown7,
+    LongUnknown8,
+    LongUnknown9,
+    LongUnknown10,
+    LongUnknown11,
+    LongUnknown12,
+    LongUnknown13,
+    LongUnknown14,
+    LongUnknown15,
+    LongUnknown16,
+    LongUnknown17,
+    LongUnknown18,
+    LongUnknown19,
+    LongUnknown20,
+    LongUnknown21,
+    LongUnknown22,
+    LongUnknown23,
+    LongUnknown24,
+    LongUnknown25,
+    LongUnknown26,
+    LongUnknown27,
+    LongUnknown28,
+    LongUnknown29,
+    LongUnknown30,
+    LongUnknown31,
+    LongUnknown32,
+    LongUnknown33,
+    LongUnknown34,
+    LongUnknown35,
+    LongUnknown36,
+    LongUnknown37,
+    LongUnknown38,
+    LongUnknown39,
+    LongUnknown40,
+    LongUnknown41,
+    LongUnknown42,
+    LongUnknown43,
+    LongUnknown44,
+    LongUnknown45,
+    LongUnknown46,
+    LongUnknown47,
+    LongUnknown48,
+    LongUnknown49,
+    LongUnknown50,
+    LongUnknown51,
+    LongUnknown52,
+    LongUnknown53,
+    LongUnknown54,
+    LongUnknown55,
+    LongUnknown56,
+    LongUnknown57,
+    LongUnknown58,
+    LongUnknown59,
+    LongUnknown60,
+    LongUnknown61,
+    LongUnknown62,
+    LongUnknown63,
+    LongUnknown64,
+    LongUnknown65,
+    LongUnknown66,
+    TwoMediumFrontStrandsOneLongBackPonyTail,
+    TwoFrontStrandsLongBackPonyTail,
+    PartingFrontTwoLongBackPonyTails,
+    TwoFrontStrandsOneLongBackPonyTail,
+    LongBackPonyTail,
+    LongFrontTwoLongBackPonyTails,
+    StrandsTwoShortSidedPonyTails,
+    TwoMediumSidedPonyTails,
+    ShortFrontTwoBackPonyTails,
+    TwoShortSidedPonyTails,
+    TwoLongSidedPonyTails,
+    LongFrontTwoBackPonyTails,
+
+    Max = LongFrontTwoBackPonyTails,
+};
+
+enum class MoleType : u8 {
+    None, // Default
+    OneDot,
+
+    Max = OneDot,
+};
+
+enum class HairFlip : u8 {
+    Left, // Default
+    Right,
+
+    Max = Right,
+};
+
+enum class CommonColor : u8 {
+    // For simplicity common colors aren't listed
+    Max = 99,
+    Count = 100,
+};
+
+enum class FavoriteColor : u8 {
+    Red, // Default
+    Orange,
+    Yellow,
+    LimeGreen,
+    Green,
+    Blue,
+    LightBlue,
+    Pink,
+    Purple,
+    Brown,
+    White,
+    Black,
+
+    Max = Black,
+};
+
+enum class EyeType : u8 {
+    Normal, // Default
+    NormalLash,
+    WhiteLash,
+    WhiteNoBottom,
+    OvalAngledWhite,
+    AngryWhite,
+    DotLashType1,
+    Line,
+    DotLine,
+    OvalWhite,
+    RoundedWhite,
+    NormalShadow,
+    CircleWhite,
+    Circle,
+    CircleWhiteStroke,
+    NormalOvalNoBottom,
+    NormalOvalLarge,
+    NormalRoundedNoBottom,
+    SmallLash,
+    Small,
+    TwoSmall,
+    NormalLongLash,
+    WhiteTwoLashes,
+    WhiteThreeLashes,
+    DotAngry,
+    DotAngled,
+    Oval,
+    SmallWhite,
+    WhiteAngledNoBottom,
+    WhiteAngledNoLeft,
+    SmallWhiteTwoLashes,
+    LeafWhiteLash,
+    WhiteLargeNoBottom,
+    Dot,
+    DotLashType2,
+    DotThreeLashes,
+    WhiteOvalTop,
+    WhiteOvalBottom,
+    WhiteOvalBottomFlat,
+    WhiteOvalTwoLashes,
+    WhiteOvalThreeLashes,
+    WhiteOvalNoBottomTwoLashes,
+    DotWhite,
+    WhiteOvalTopFlat,
+    WhiteThinLeaf,
+    StarThreeLashes,
+    LineTwoLashes,
+    CrowsFeet,
+    WhiteNoBottomFlat,
+    WhiteNoBottomRounded,
+    WhiteSmallBottomLine,
+    WhiteNoBottomLash,
+    WhiteNoPartialBottomLash,
+    WhiteOvalBottomLine,
+    WhiteNoBottomLashTopLine,
+    WhiteNoPartialBottomTwoLashes,
+    NormalTopLine,
+    WhiteOvalLash,
+    RoundTired,
+    WhiteLarge,
+
+    Max = WhiteLarge,
+};
+
+enum class MouthType : u8 {
+    Neutral, // Default
+    NeutralLips,
+    Smile,
+    SmileStroke,
+    SmileTeeth,
+    LipsSmall,
+    LipsLarge,
+    Wave,
+    WaveAngrySmall,
+    NeutralStrokeLarge,
+    TeethSurprised,
+    LipsExtraLarge,
+    LipsUp,
+    NeutralDown,
+    Surprised,
+    TeethMiddle,
+    NeutralStroke,
+    LipsExtraSmall,
+    Malicious,
+    LipsDual,
+    NeutralComma,
+    NeutralUp,
+    TeethLarge,
+    WaveAngry,
+    LipsSexy,
+    SmileInverted,
+    LipsSexyOutline,
+    SmileRounded,
+    LipsTeeth,
+    NeutralOpen,
+    TeethRounded,
+    WaveAngrySmallInverted,
+    NeutralCommaInverted,
+    TeethFull,
+    SmileDownLine,
+    Kiss,
+
+    Max = Kiss,
+};
+
+enum class FontRegion : u8 {
+    Standard, // Default
+    China,
+    Korea,
+    Taiwan,
+
+    Max = Taiwan,
+};
+
+enum class FacelineType : u8 {
+    Sharp, // Default
+    Rounded,
+    SharpRounded,
+    SharpRoundedSmall,
+    Large,
+    LargeRounded,
+    SharpSmall,
+    Flat,
+    Bump,
+    Angular,
+    FlatRounded,
+    AngularSmall,
+
+    Max = AngularSmall,
+};
+
+enum class FacelineColor : u8 {
+    Beige, // Default
+    WarmBeige,
+    Natural,
+    Honey,
+    Chestnut,
+    Porcelain,
+    Ivory,
+    WarmIvory,
+    Almond,
+    Espresso,
+
+    Max = Espresso,
+    Count = Max + 1,
+};
+
+enum class FacelineWrinkle : u8 {
+    None, // Default
+    TearTroughs,
+    FacialPain,
+    Cheeks,
+    Folds,
+    UnderTheEyes,
+    SplitChin,
+    Chin,
+    BrowDroop,
+    MouthFrown,
+    CrowsFeet,
+    FoldsCrowsFrown,
+
+    Max = FoldsCrowsFrown,
+};
+
+enum class FacelineMake : u8 {
+    None, // Default
+    CheekPorcelain,
+    CheekNatural,
+    EyeShadowBlue,
+    CheekBlushPorcelain,
+    CheekBlushNatural,
+    CheekPorcelainEyeShadowBlue,
+    CheekPorcelainEyeShadowNatural,
+    CheekBlushPorcelainEyeShadowEspresso,
+    Freckles,
+    LionsManeBeard,
+    StubbleBeard,
+
+    Max = StubbleBeard,
+};
+
+enum class EyebrowType : u8 {
+    FlatAngledLarge, // Default
+    LowArchRoundedThin,
+    SoftAngledLarge,
+    MediumArchRoundedThin,
+    RoundedMedium,
+    LowArchMedium,
+    RoundedThin,
+    UpThin,
+    MediumArchRoundedMedium,
+    RoundedLarge,
+    UpLarge,
+    FlatAngledLargeInverted,
+    MediumArchFlat,
+    AngledThin,
+    HorizontalLarge,
+    HighArchFlat,
+    Flat,
+    MediumArchLarge,
+    LowArchThin,
+    RoundedThinInverted,
+    HighArchLarge,
+    Hairy,
+    Dotted,
+    None,
+
+    Max = None,
+};
+
+enum class NoseType : u8 {
+    Normal, // Default
+    Rounded,
+    Dot,
+    Arrow,
+    Roman,
+    Triangle,
+    Button,
+    RoundedInverted,
+    Potato,
+    Grecian,
+    Snub,
+    Aquiline,
+    ArrowLeft,
+    RoundedLarge,
+    Hooked,
+    Fat,
+    Droopy,
+    ArrowLarge,
+
+    Max = ArrowLarge,
+};
+
+enum class BeardType : u8 {
+    None,
+    Goatee,
+    GoateeLong,
+    LionsManeLong,
+    LionsMane,
+    Full,
+
+    Min = Goatee,
+    Max = Full,
+};
+
+enum class MustacheType : u8 {
+    None,
+    Walrus,
+    Pencil,
+    Horseshoe,
+    Normal,
+    Toothbrush,
+
+    Min = Walrus,
+    Max = Toothbrush,
+};
+
+enum class GlassType : u8 {
+    None,
+    Oval,
+    Wayfarer,
+    Rectangle,
+    TopRimless,
+    Rounded,
+    Oversized,
+    CatEye,
+    Square,
+    BottomRimless,
+    SemiOpaqueRounded,
+    SemiOpaqueCatEye,
+    SemiOpaqueOval,
+    SemiOpaqueRectangle,
+    SemiOpaqueAviator,
+    OpaqueRounded,
+    OpaqueCatEye,
+    OpaqueOval,
+    OpaqueRectangle,
+    OpaqueAviator,
+
+    Max = OpaqueAviator,
+    Count = Max + 1,
+};
+
+enum class BeardAndMustacheFlag : u32 {
+    Beard = 1,
+    Mustache,
+    All = Beard | Mustache,
+};
+DECLARE_ENUM_FLAG_OPERATORS(BeardAndMustacheFlag);
+
+enum class Source : u32 {
+    Database = 0,
+    Default = 1,
+    Account = 2,
+    Friend = 3,
+};
+
+enum class SourceFlag : u32 {
+    None = 0,
+    Database = 1 << 0,
+    Default = 1 << 1,
+};
+DECLARE_ENUM_FLAG_OPERATORS(SourceFlag);
+
+enum class ValidationResult : u32 {
+    NoErrors = 0x0,
+    InvalidBeardColor = 0x1,
+    InvalidBeardType = 0x2,
+    InvalidBuild = 0x3,
+    InvalidEyeAspect = 0x4,
+    InvalidEyeColor = 0x5,
+    InvalidEyeRotate = 0x6,
+    InvalidEyeScale = 0x7,
+    InvalidEyeType = 0x8,
+    InvalidEyeX = 0x9,
+    InvalidEyeY = 0xa,
+    InvalidEyebrowAspect = 0xb,
+    InvalidEyebrowColor = 0xc,
+    InvalidEyebrowRotate = 0xd,
+    InvalidEyebrowScale = 0xe,
+    InvalidEyebrowType = 0xf,
+    InvalidEyebrowX = 0x10,
+    InvalidEyebrowY = 0x11,
+    InvalidFacelineColor = 0x12,
+    InvalidFacelineMake = 0x13,
+    InvalidFacelineWrinkle = 0x14,
+    InvalidFacelineType = 0x15,
+    InvalidColor = 0x16,
+    InvalidFont = 0x17,
+    InvalidGender = 0x18,
+    InvalidGlassColor = 0x19,
+    InvalidGlassScale = 0x1a,
+    InvalidGlassType = 0x1b,
+    InvalidGlassY = 0x1c,
+    InvalidHairColor = 0x1d,
+    InvalidHairFlip = 0x1e,
+    InvalidHairType = 0x1f,
+    InvalidHeight = 0x20,
+    InvalidMoleScale = 0x21,
+    InvalidMoleType = 0x22,
+    InvalidMoleX = 0x23,
+    InvalidMoleY = 0x24,
+    InvalidMouthAspect = 0x25,
+    InvalidMouthColor = 0x26,
+    InvalidMouthScale = 0x27,
+    InvalidMouthType = 0x28,
+    InvalidMouthY = 0x29,
+    InvalidMustacheScale = 0x2a,
+    InvalidMustacheType = 0x2b,
+    InvalidMustacheY = 0x2c,
+    InvalidNoseScale = 0x2e,
+    InvalidNoseType = 0x2f,
+    InvalidNoseY = 0x30,
+    InvalidRegionMove = 0x31,
+    InvalidCreateId = 0x32,
+    InvalidName = 0x33,
+    InvalidType = 0x35,
+};
+
+struct Nickname {
+    static constexpr std::size_t MaxNameSize = 10;
+    std::array<char16_t, MaxNameSize> data;
+
+    // Checks for null, non-zero terminated or dirty strings
+    bool IsValid() const {
+        if (data[0] == 0) {
+            return false;
+        }
+
+        if (data[MaxNameSize] != 0) {
+            return false;
+        }
+        std::size_t index = 1;
+        while (data[index] != 0) {
+            index++;
+        }
+        while (index < MaxNameSize && data[index] == 0) {
+            index++;
+        }
+        return index == MaxNameSize;
+    }
+};
+static_assert(sizeof(Nickname) == 0x14, "Nickname is an invalid size");
+
+struct DefaultMii {
+    u32 face_type{};
+    u32 face_color{};
+    u32 face_wrinkle{};
+    u32 face_makeup{};
+    u32 hair_type{};
+    u32 hair_color{};
+    u32 hair_flip{};
+    u32 eye_type{};
+    u32 eye_color{};
+    u32 eye_scale{};
+    u32 eye_aspect{};
+    u32 eye_rotate{};
+    u32 eye_x{};
+    u32 eye_y{};
+    u32 eyebrow_type{};
+    u32 eyebrow_color{};
+    u32 eyebrow_scale{};
+    u32 eyebrow_aspect{};
+    u32 eyebrow_rotate{};
+    u32 eyebrow_x{};
+    u32 eyebrow_y{};
+    u32 nose_type{};
+    u32 nose_scale{};
+    u32 nose_y{};
+    u32 mouth_type{};
+    u32 mouth_color{};
+    u32 mouth_scale{};
+    u32 mouth_aspect{};
+    u32 mouth_y{};
+    u32 mustache_type{};
+    u32 beard_type{};
+    u32 beard_color{};
+    u32 mustache_scale{};
+    u32 mustache_y{};
+    u32 glasses_type{};
+    u32 glasses_color{};
+    u32 glasses_scale{};
+    u32 glasses_y{};
+    u32 mole_type{};
+    u32 mole_scale{};
+    u32 mole_x{};
+    u32 mole_y{};
+    u32 height{};
+    u32 weight{};
+    u32 gender{};
+    u32 favorite_color{};
+    u32 region_move{};
+    u32 font_region{};
+    u32 type{};
+    Nickname nickname;
+};
+static_assert(sizeof(DefaultMii) == 0xd8, "DefaultMii has incorrect size.");
+
+struct DatabaseSessionMetadata {
+    u32 interface_version;
+    u32 magic;
+    u64 update_counter;
+
+    bool IsInterfaceVersionSupported(u32 version) const {
+        return version <= interface_version;
+    }
+};
+
+} // namespace Service::Mii

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

@@ -0,0 +1,59 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <random>
+#include <span>
+
+#include "common/common_types.h"
+#include "common/swap.h"
+#include "common/uuid.h"
+#include "core/hle/service/mii/mii_types.h"
+
+namespace Service::Mii {
+class MiiUtil {
+public:
+    static u16 CalculateCrc16(const void* data, std::size_t size) {
+        s32 crc{};
+        for (std::size_t i = 0; i < size; i++) {
+            crc ^= static_cast<const u8*>(data)[i] << 8;
+            for (std::size_t j = 0; j < 8; j++) {
+                crc <<= 1;
+                if ((crc & 0x10000) != 0) {
+                    crc = (crc ^ 0x1021) & 0xFFFF;
+                }
+            }
+        }
+        return Common::swap16(static_cast<u16>(crc));
+    }
+
+    static Common::UUID MakeCreateId() {
+        return Common::UUID::MakeRandomRFC4122V4();
+    }
+
+    static Common::UUID GetDeviceId() {
+        // This should be nn::settings::detail::GetMiiAuthorId()
+        return Common::UUID::MakeDefault();
+    }
+
+    template <typename T>
+    static T GetRandomValue(T min, T max) {
+        std::random_device device;
+        std::mt19937 gen(device());
+        std::uniform_int_distribution<u64> distribution(static_cast<u64>(min),
+                                                        static_cast<u64>(max));
+        return static_cast<T>(distribution(gen));
+    }
+
+    template <typename T>
+    static T GetRandomValue(T max) {
+        return GetRandomValue<T>({}, max);
+    }
+
+    static bool IsFontRegionValid(FontRegion font, std::span<const char16_t> text) {
+        // TODO: This function needs to check against the font tables
+        return true;
+    }
+};
+} // namespace Service::Mii

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

@@ -0,0 +1,482 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/service/mii/types/char_info.h"
+#include "core/hle/service/mii/types/store_data.h"
+
+namespace Service::Mii {
+
+void CharInfo::SetFromStoreData(const StoreData& store_data) {
+    name = store_data.GetNickname();
+    null_terminator = '\0';
+    create_id = store_data.GetCreateId();
+    font_region = store_data.GetFontRegion();
+    favorite_color = store_data.GetFavoriteColor();
+    gender = store_data.GetGender();
+    height = store_data.GetHeight();
+    build = store_data.GetBuild();
+    type = store_data.GetType();
+    region_move = store_data.GetRegionMove();
+    faceline_type = store_data.GetFacelineType();
+    faceline_color = store_data.GetFacelineColor();
+    faceline_wrinkle = store_data.GetFacelineWrinkle();
+    faceline_make = store_data.GetFacelineMake();
+    hair_type = store_data.GetHairType();
+    hair_color = store_data.GetHairColor();
+    hair_flip = store_data.GetHairFlip();
+    eye_type = store_data.GetEyeType();
+    eye_color = store_data.GetEyeColor();
+    eye_scale = store_data.GetEyeScale();
+    eye_aspect = store_data.GetEyeAspect();
+    eye_rotate = store_data.GetEyeRotate();
+    eye_x = store_data.GetEyeX();
+    eye_y = store_data.GetEyeY();
+    eyebrow_type = store_data.GetEyebrowType();
+    eyebrow_color = store_data.GetEyebrowColor();
+    eyebrow_scale = store_data.GetEyebrowScale();
+    eyebrow_aspect = store_data.GetEyebrowAspect();
+    eyebrow_rotate = store_data.GetEyebrowRotate();
+    eyebrow_x = store_data.GetEyebrowX();
+    eyebrow_y = store_data.GetEyebrowY();
+    nose_type = store_data.GetNoseType();
+    nose_scale = store_data.GetNoseScale();
+    nose_y = store_data.GetNoseY();
+    mouth_type = store_data.GetMouthType();
+    mouth_color = store_data.GetMouthColor();
+    mouth_scale = store_data.GetMouthScale();
+    mouth_aspect = store_data.GetMouthAspect();
+    mouth_y = store_data.GetMouthY();
+    beard_color = store_data.GetBeardColor();
+    beard_type = store_data.GetBeardType();
+    mustache_type = store_data.GetMustacheType();
+    mustache_scale = store_data.GetMustacheScale();
+    mustache_y = store_data.GetMustacheY();
+    glass_type = store_data.GetGlassType();
+    glass_color = store_data.GetGlassColor();
+    glass_scale = store_data.GetGlassScale();
+    glass_y = store_data.GetGlassY();
+    mole_type = store_data.GetMoleType();
+    mole_scale = store_data.GetMoleScale();
+    mole_x = store_data.GetMoleX();
+    mole_y = store_data.GetMoleY();
+    padding = '\0';
+}
+
+ValidationResult CharInfo::Verify() const {
+    if (!create_id.IsValid()) {
+        return ValidationResult::InvalidCreateId;
+    }
+    if (!name.IsValid()) {
+        return ValidationResult::InvalidName;
+    }
+    if (font_region > FontRegion::Max) {
+        return ValidationResult::InvalidFont;
+    }
+    if (favorite_color > FavoriteColor::Max) {
+        return ValidationResult::InvalidColor;
+    }
+    if (gender > Gender::Max) {
+        return ValidationResult::InvalidGender;
+    }
+    if (height > MaxHeight) {
+        return ValidationResult::InvalidHeight;
+    }
+    if (build > MaxBuild) {
+        return ValidationResult::InvalidBuild;
+    }
+    if (type > MaxType) {
+        return ValidationResult::InvalidType;
+    }
+    if (region_move > MaxRegionMove) {
+        return ValidationResult::InvalidRegionMove;
+    }
+    if (faceline_type > FacelineType::Max) {
+        return ValidationResult::InvalidFacelineType;
+    }
+    if (faceline_color > FacelineColor::Max) {
+        return ValidationResult::InvalidFacelineColor;
+    }
+    if (faceline_wrinkle > FacelineWrinkle::Max) {
+        return ValidationResult::InvalidFacelineWrinkle;
+    }
+    if (faceline_make > FacelineMake::Max) {
+        return ValidationResult::InvalidFacelineMake;
+    }
+    if (hair_type > HairType::Max) {
+        return ValidationResult::InvalidHairType;
+    }
+    if (hair_color > CommonColor::Max) {
+        return ValidationResult::InvalidHairColor;
+    }
+    if (hair_flip > HairFlip::Max) {
+        return ValidationResult::InvalidHairFlip;
+    }
+    if (eye_type > EyeType::Max) {
+        return ValidationResult::InvalidEyeType;
+    }
+    if (eye_color > CommonColor::Max) {
+        return ValidationResult::InvalidEyeColor;
+    }
+    if (eye_scale > MaxEyeScale) {
+        return ValidationResult::InvalidEyeScale;
+    }
+    if (eye_aspect > MaxEyeAspect) {
+        return ValidationResult::InvalidEyeAspect;
+    }
+    if (eye_rotate > MaxEyeX) {
+        return ValidationResult::InvalidEyeRotate;
+    }
+    if (eye_x > MaxEyeX) {
+        return ValidationResult::InvalidEyeX;
+    }
+    if (eye_y > MaxEyeY) {
+        return ValidationResult::InvalidEyeY;
+    }
+    if (eyebrow_type > EyebrowType::Max) {
+        return ValidationResult::InvalidEyebrowType;
+    }
+    if (eyebrow_color > CommonColor::Max) {
+        return ValidationResult::InvalidEyebrowColor;
+    }
+    if (eyebrow_scale > MaxEyebrowScale) {
+        return ValidationResult::InvalidEyebrowScale;
+    }
+    if (eyebrow_aspect > MaxEyebrowAspect) {
+        return ValidationResult::InvalidEyebrowAspect;
+    }
+    if (eyebrow_rotate > MaxEyebrowRotate) {
+        return ValidationResult::InvalidEyebrowRotate;
+    }
+    if (eyebrow_x > MaxEyebrowX) {
+        return ValidationResult::InvalidEyebrowX;
+    }
+    if (eyebrow_y > MaxEyebrowY) {
+        return ValidationResult::InvalidEyebrowY;
+    }
+    if (nose_type > NoseType::Max) {
+        return ValidationResult::InvalidNoseType;
+    }
+    if (nose_scale > MaxNoseScale) {
+        return ValidationResult::InvalidNoseScale;
+    }
+    if (nose_y > MaxNoseY) {
+        return ValidationResult::InvalidNoseY;
+    }
+    if (mouth_type > MouthType::Max) {
+        return ValidationResult::InvalidMouthType;
+    }
+    if (mouth_color > CommonColor::Max) {
+        return ValidationResult::InvalidMouthColor;
+    }
+    if (mouth_scale > MaxMouthScale) {
+        return ValidationResult::InvalidMouthScale;
+    }
+    if (mouth_aspect > MaxMoutAspect) {
+        return ValidationResult::InvalidMouthAspect;
+    }
+    if (mouth_y > MaxMouthY) {
+        return ValidationResult::InvalidMoleY;
+    }
+    if (beard_color > CommonColor::Max) {
+        return ValidationResult::InvalidBeardColor;
+    }
+    if (beard_type > BeardType::Max) {
+        return ValidationResult::InvalidBeardType;
+    }
+    if (mustache_type > MustacheType::Max) {
+        return ValidationResult::InvalidMustacheType;
+    }
+    if (mustache_scale > MaxMustacheScale) {
+        return ValidationResult::InvalidMustacheScale;
+    }
+    if (mustache_y > MasMustacheY) {
+        return ValidationResult::InvalidMustacheY;
+    }
+    if (glass_type > GlassType::Max) {
+        return ValidationResult::InvalidGlassType;
+    }
+    if (glass_color > CommonColor::Max) {
+        return ValidationResult::InvalidGlassColor;
+    }
+    if (glass_scale > MaxGlassScale) {
+        return ValidationResult::InvalidGlassScale;
+    }
+    if (glass_y > MaxGlassY) {
+        return ValidationResult::InvalidGlassY;
+    }
+    if (mole_type > MoleType::Max) {
+        return ValidationResult::InvalidMoleType;
+    }
+    if (mole_scale > MaxMoleScale) {
+        return ValidationResult::InvalidMoleScale;
+    }
+    if (mole_x > MaxMoleX) {
+        return ValidationResult::InvalidMoleX;
+    }
+    if (mole_y > MaxMoleY) {
+        return ValidationResult::InvalidMoleY;
+    }
+    return ValidationResult::NoErrors;
+}
+
+Common::UUID CharInfo::GetCreateId() const {
+    return create_id;
+}
+
+Nickname CharInfo::GetNickname() const {
+    return name;
+}
+
+FontRegion CharInfo::GetFontRegion() const {
+    return font_region;
+}
+
+FavoriteColor CharInfo::GetFavoriteColor() const {
+    return favorite_color;
+}
+
+Gender CharInfo::GetGender() const {
+    return gender;
+}
+
+u8 CharInfo::GetHeight() const {
+    return height;
+}
+
+u8 CharInfo::GetBuild() const {
+    return build;
+}
+
+u8 CharInfo::GetType() const {
+    return type;
+}
+
+u8 CharInfo::GetRegionMove() const {
+    return region_move;
+}
+
+FacelineType CharInfo::GetFacelineType() const {
+    return faceline_type;
+}
+
+FacelineColor CharInfo::GetFacelineColor() const {
+    return faceline_color;
+}
+
+FacelineWrinkle CharInfo::GetFacelineWrinkle() const {
+    return faceline_wrinkle;
+}
+
+FacelineMake CharInfo::GetFacelineMake() const {
+    return faceline_make;
+}
+
+HairType CharInfo::GetHairType() const {
+    return hair_type;
+}
+
+CommonColor CharInfo::GetHairColor() const {
+    return hair_color;
+}
+
+HairFlip CharInfo::GetHairFlip() const {
+    return hair_flip;
+}
+
+EyeType CharInfo::GetEyeType() const {
+    return eye_type;
+}
+
+CommonColor CharInfo::GetEyeColor() const {
+    return eye_color;
+}
+
+u8 CharInfo::GetEyeScale() const {
+    return eye_scale;
+}
+
+u8 CharInfo::GetEyeAspect() const {
+    return eye_aspect;
+}
+
+u8 CharInfo::GetEyeRotate() const {
+    return eye_rotate;
+}
+
+u8 CharInfo::GetEyeX() const {
+    return eye_x;
+}
+
+u8 CharInfo::GetEyeY() const {
+    return eye_y;
+}
+
+EyebrowType CharInfo::GetEyebrowType() const {
+    return eyebrow_type;
+}
+
+CommonColor CharInfo::GetEyebrowColor() const {
+    return eyebrow_color;
+}
+
+u8 CharInfo::GetEyebrowScale() const {
+    return eyebrow_scale;
+}
+
+u8 CharInfo::GetEyebrowAspect() const {
+    return eyebrow_aspect;
+}
+
+u8 CharInfo::GetEyebrowRotate() const {
+    return eyebrow_rotate;
+}
+
+u8 CharInfo::GetEyebrowX() const {
+    return eyebrow_x;
+}
+
+u8 CharInfo::GetEyebrowY() const {
+    return eyebrow_y;
+}
+
+NoseType CharInfo::GetNoseType() const {
+    return nose_type;
+}
+
+u8 CharInfo::GetNoseScale() const {
+    return nose_scale;
+}
+
+u8 CharInfo::GetNoseY() const {
+    return nose_y;
+}
+
+MouthType CharInfo::GetMouthType() const {
+    return mouth_type;
+}
+
+CommonColor CharInfo::GetMouthColor() const {
+    return mouth_color;
+}
+
+u8 CharInfo::GetMouthScale() const {
+    return mouth_scale;
+}
+
+u8 CharInfo::GetMouthAspect() const {
+    return mouth_aspect;
+}
+
+u8 CharInfo::GetMouthY() const {
+    return mouth_y;
+}
+
+CommonColor CharInfo::GetBeardColor() const {
+    return beard_color;
+}
+
+BeardType CharInfo::GetBeardType() const {
+    return beard_type;
+}
+
+MustacheType CharInfo::GetMustacheType() const {
+    return mustache_type;
+}
+
+u8 CharInfo::GetMustacheScale() const {
+    return mustache_scale;
+}
+
+u8 CharInfo::GetMustacheY() const {
+    return mustache_y;
+}
+
+GlassType CharInfo::GetGlassType() const {
+    return glass_type;
+}
+
+CommonColor CharInfo::GetGlassColor() const {
+    return glass_color;
+}
+
+u8 CharInfo::GetGlassScale() const {
+    return glass_scale;
+}
+
+u8 CharInfo::GetGlassY() const {
+    return glass_y;
+}
+
+MoleType CharInfo::GetMoleType() const {
+    return mole_type;
+}
+
+u8 CharInfo::GetMoleScale() const {
+    return mole_scale;
+}
+
+u8 CharInfo::GetMoleX() const {
+    return mole_x;
+}
+
+u8 CharInfo::GetMoleY() const {
+    return mole_y;
+}
+
+bool CharInfo::operator==(const CharInfo& info) {
+    bool is_identical = info.Verify() == ValidationResult::NoErrors;
+    is_identical &= name.data == info.GetNickname().data;
+    is_identical &= create_id == info.GetCreateId();
+    is_identical &= font_region == info.GetFontRegion();
+    is_identical &= favorite_color == info.GetFavoriteColor();
+    is_identical &= gender == info.GetGender();
+    is_identical &= height == info.GetHeight();
+    is_identical &= build == info.GetBuild();
+    is_identical &= type == info.GetType();
+    is_identical &= region_move == info.GetRegionMove();
+    is_identical &= faceline_type == info.GetFacelineType();
+    is_identical &= faceline_color == info.GetFacelineColor();
+    is_identical &= faceline_wrinkle == info.GetFacelineWrinkle();
+    is_identical &= faceline_make == info.GetFacelineMake();
+    is_identical &= hair_type == info.GetHairType();
+    is_identical &= hair_color == info.GetHairColor();
+    is_identical &= hair_flip == info.GetHairFlip();
+    is_identical &= eye_type == info.GetEyeType();
+    is_identical &= eye_color == info.GetEyeColor();
+    is_identical &= eye_scale == info.GetEyeScale();
+    is_identical &= eye_aspect == info.GetEyeAspect();
+    is_identical &= eye_rotate == info.GetEyeRotate();
+    is_identical &= eye_x == info.GetEyeX();
+    is_identical &= eye_y == info.GetEyeY();
+    is_identical &= eyebrow_type == info.GetEyebrowType();
+    is_identical &= eyebrow_color == info.GetEyebrowColor();
+    is_identical &= eyebrow_scale == info.GetEyebrowScale();
+    is_identical &= eyebrow_aspect == info.GetEyebrowAspect();
+    is_identical &= eyebrow_rotate == info.GetEyebrowRotate();
+    is_identical &= eyebrow_x == info.GetEyebrowX();
+    is_identical &= eyebrow_y == info.GetEyebrowY();
+    is_identical &= nose_type == info.GetNoseType();
+    is_identical &= nose_scale == info.GetNoseScale();
+    is_identical &= nose_y == info.GetNoseY();
+    is_identical &= mouth_type == info.GetMouthType();
+    is_identical &= mouth_color == info.GetMouthColor();
+    is_identical &= mouth_scale == info.GetMouthScale();
+    is_identical &= mouth_aspect == info.GetMouthAspect();
+    is_identical &= mouth_y == info.GetMouthY();
+    is_identical &= beard_color == info.GetBeardColor();
+    is_identical &= beard_type == info.GetBeardType();
+    is_identical &= mustache_type == info.GetMustacheType();
+    is_identical &= mustache_scale == info.GetMustacheScale();
+    is_identical &= mustache_y == info.GetMustacheY();
+    is_identical &= glass_type == info.GetGlassType();
+    is_identical &= glass_color == info.GetGlassColor();
+    is_identical &= glass_scale == info.GetGlassScale();
+    is_identical &= glass_y == info.GetGlassY();
+    is_identical &= mole_type == info.GetMoleType();
+    is_identical &= mole_scale == info.GetMoleScale();
+    is_identical &= mole_x == info.GetMoleX();
+    is_identical &= mole_y == info.GetMoleY();
+    return is_identical;
+}
+
+} // namespace Service::Mii

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

@@ -0,0 +1,137 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/service/mii/mii_types.h"
+
+namespace Service::Mii {
+class StoreData;
+
+// This is nn::mii::detail::CharInfoRaw
+class CharInfo {
+public:
+    void SetFromStoreData(const StoreData& store_data_raw);
+
+    ValidationResult Verify() const;
+
+    Common::UUID GetCreateId() const;
+    Nickname GetNickname() const;
+    FontRegion GetFontRegion() const;
+    FavoriteColor GetFavoriteColor() const;
+    Gender GetGender() const;
+    u8 GetHeight() const;
+    u8 GetBuild() const;
+    u8 GetType() const;
+    u8 GetRegionMove() const;
+    FacelineType GetFacelineType() const;
+    FacelineColor GetFacelineColor() const;
+    FacelineWrinkle GetFacelineWrinkle() const;
+    FacelineMake GetFacelineMake() const;
+    HairType GetHairType() const;
+    CommonColor GetHairColor() const;
+    HairFlip GetHairFlip() const;
+    EyeType GetEyeType() const;
+    CommonColor GetEyeColor() const;
+    u8 GetEyeScale() const;
+    u8 GetEyeAspect() const;
+    u8 GetEyeRotate() const;
+    u8 GetEyeX() const;
+    u8 GetEyeY() const;
+    EyebrowType GetEyebrowType() const;
+    CommonColor GetEyebrowColor() const;
+    u8 GetEyebrowScale() const;
+    u8 GetEyebrowAspect() const;
+    u8 GetEyebrowRotate() const;
+    u8 GetEyebrowX() const;
+    u8 GetEyebrowY() const;
+    NoseType GetNoseType() const;
+    u8 GetNoseScale() const;
+    u8 GetNoseY() const;
+    MouthType GetMouthType() const;
+    CommonColor GetMouthColor() const;
+    u8 GetMouthScale() const;
+    u8 GetMouthAspect() const;
+    u8 GetMouthY() const;
+    CommonColor GetBeardColor() const;
+    BeardType GetBeardType() const;
+    MustacheType GetMustacheType() const;
+    u8 GetMustacheScale() const;
+    u8 GetMustacheY() const;
+    GlassType GetGlassType() const;
+    CommonColor GetGlassColor() const;
+    u8 GetGlassScale() const;
+    u8 GetGlassY() const;
+    MoleType GetMoleType() const;
+    u8 GetMoleScale() const;
+    u8 GetMoleX() const;
+    u8 GetMoleY() const;
+
+    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;
+};
+static_assert(sizeof(CharInfo) == 0x58, "CharInfo has incorrect size.");
+static_assert(std::has_unique_object_representations_v<CharInfo>,
+              "All bits of CharInfo must contribute to its value.");
+
+struct CharInfoElement {
+    CharInfo char_info{};
+    Source source{};
+};
+static_assert(sizeof(CharInfoElement) == 0x5c, "CharInfoElement has incorrect size.");
+
+}; // namespace Service::Mii

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

@@ -0,0 +1,601 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/assert.h"
+#include "core/hle/service/mii/mii_util.h"
+#include "core/hle/service/mii/types/core_data.h"
+#include "core/hle/service/mii/types/raw_data.h"
+
+namespace Service::Mii {
+
+void CoreData::SetDefault() {
+    data = {};
+    name = GetDefaultNickname();
+}
+
+void CoreData::BuildRandom(Age age, Gender gender, Race race) {
+    if (gender == Gender::All) {
+        gender = MiiUtil::GetRandomValue(Gender::Max);
+    }
+
+    if (age == Age::All) {
+        const auto random{MiiUtil::GetRandomValue<int>(10)};
+        if (random >= 8) {
+            age = Age::Old;
+        } else if (random >= 4) {
+            age = Age::Normal;
+        } else {
+            age = Age::Young;
+        }
+    }
+
+    if (race == Race::All) {
+        const auto random{MiiUtil::GetRandomValue<int>(10)};
+        if (random >= 8) {
+            race = Race::Black;
+        } else if (random >= 4) {
+            race = Race::White;
+        } else {
+            race = Race::Asian;
+        }
+    }
+
+    SetGender(gender);
+    SetFavoriteColor(MiiUtil::GetRandomValue(FavoriteColor::Max));
+    SetRegionMove(0);
+    SetFontRegion(FontRegion::Standard);
+    SetType(0);
+    SetHeight(64);
+    SetBuild(64);
+
+    u32 axis_y{};
+    if (gender == Gender::Female && age == Age::Young) {
+        axis_y = MiiUtil::GetRandomValue<u32>(3);
+    }
+
+    const std::size_t index{3 * static_cast<std::size_t>(age) +
+                            9 * static_cast<std::size_t>(gender) + static_cast<std::size_t>(race)};
+
+    const auto& faceline_type_info{RawData::RandomMiiFaceline.at(index)};
+    const auto& faceline_color_info{RawData::RandomMiiFacelineColor.at(
+        3 * static_cast<std::size_t>(gender) + static_cast<std::size_t>(race))};
+    const auto& faceline_wrinkle_info{RawData::RandomMiiFacelineWrinkle.at(index)};
+    const auto& faceline_makeup_info{RawData::RandomMiiFacelineMakeup.at(index)};
+    const auto& hair_type_info{RawData::RandomMiiHairType.at(index)};
+    const auto& hair_color_info{RawData::RandomMiiHairColor.at(3 * static_cast<std::size_t>(race) +
+                                                               static_cast<std::size_t>(age))};
+    const auto& eye_type_info{RawData::RandomMiiEyeType.at(index)};
+    const auto& eye_color_info{RawData::RandomMiiEyeColor.at(static_cast<std::size_t>(race))};
+    const auto& eyebrow_type_info{RawData::RandomMiiEyebrowType.at(index)};
+    const auto& nose_type_info{RawData::RandomMiiNoseType.at(index)};
+    const auto& mouth_type_info{RawData::RandomMiiMouthType.at(index)};
+    const auto& glasses_type_info{RawData::RandomMiiGlassType.at(static_cast<std::size_t>(age))};
+
+    data.faceline_type.Assign(
+        faceline_type_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_type_info.values_count)]);
+    data.faceline_color.Assign(
+        faceline_color_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_color_info.values_count)]);
+    data.faceline_wrinkle.Assign(
+        faceline_wrinkle_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_wrinkle_info.values_count)]);
+    data.faceline_makeup.Assign(
+        faceline_makeup_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(faceline_makeup_info.values_count)]);
+
+    data.hair_type.Assign(
+        hair_type_info.values[MiiUtil::GetRandomValue<std::size_t>(hair_type_info.values_count)]);
+    SetHairColor(RawData::GetHairColorFromVer3(
+        hair_color_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(hair_color_info.values_count)]));
+    SetHairFlip(MiiUtil::GetRandomValue(HairFlip::Max));
+
+    data.eye_type.Assign(
+        eye_type_info.values[MiiUtil::GetRandomValue<std::size_t>(eye_type_info.values_count)]);
+
+    const auto eye_rotate_1{gender != Gender::Male ? 4 : 2};
+    const auto eye_rotate_2{gender != Gender::Male ? 3 : 4};
+    const auto eye_rotate_offset{32 - RawData::EyeRotateLookup[eye_rotate_1] + eye_rotate_2};
+    const auto eye_rotate{32 - RawData::EyeRotateLookup[data.eye_type]};
+
+    SetEyeColor(RawData::GetEyeColorFromVer3(
+        eye_color_info.values[MiiUtil::GetRandomValue<std::size_t>(eye_color_info.values_count)]));
+    SetEyeScale(4);
+    SetEyeAspect(3);
+    SetEyeRotate(static_cast<u8>(eye_rotate_offset - eye_rotate));
+    SetEyeX(2);
+    SetEyeY(static_cast<u8>(axis_y + 12));
+
+    data.eyebrow_type.Assign(
+        eyebrow_type_info
+            .values[MiiUtil::GetRandomValue<std::size_t>(eyebrow_type_info.values_count)]);
+
+    const auto eyebrow_rotate_1{race == Race::Asian ? 6 : 0};
+    const auto eyebrow_y{race == Race::Asian ? 9 : 10};
+    const auto eyebrow_rotate_offset{32 - RawData::EyebrowRotateLookup[eyebrow_rotate_1] + 6};
+    const auto eyebrow_rotate{
+        32 - RawData::EyebrowRotateLookup[static_cast<std::size_t>(data.eyebrow_type.Value())]};
+
+    SetEyebrowColor(GetHairColor());
+    SetEyebrowScale(4);
+    SetEyebrowAspect(3);
+    SetEyebrowRotate(static_cast<u8>(eyebrow_rotate_offset - eyebrow_rotate));
+    SetEyebrowX(2);
+    SetEyebrowY(static_cast<u8>(axis_y + eyebrow_y));
+
+    data.nose_type.Assign(
+        nose_type_info.values[MiiUtil::GetRandomValue<std::size_t>(nose_type_info.values_count)]);
+    SetNoseScale(gender == Gender::Female ? 3 : 4);
+    SetNoseY(static_cast<u8>(axis_y + 9));
+
+    const auto mouth_color{gender == Gender::Female ? MiiUtil::GetRandomValue<int>(4) : 0};
+
+    data.mouth_type.Assign(
+        mouth_type_info.values[MiiUtil::GetRandomValue<std::size_t>(mouth_type_info.values_count)]);
+    SetMouthColor(RawData::GetMouthColorFromVer3(mouth_color));
+    SetMouthScale(4);
+    SetMouthAspect(3);
+    SetMouthY(static_cast<u8>(axis_y + 13));
+
+    SetBeardColor(GetHairColor());
+    SetMustacheScale(4);
+
+    if (gender == Gender::Male && age != Age::Young && MiiUtil::GetRandomValue<int>(10) < 2) {
+        const auto mustache_and_beard_flag{MiiUtil::GetRandomValue(BeardAndMustacheFlag::All)};
+
+        auto beard_type{BeardType::None};
+        auto mustache_type{MustacheType::None};
+
+        if ((mustache_and_beard_flag & BeardAndMustacheFlag::Beard) ==
+            BeardAndMustacheFlag::Beard) {
+            beard_type = MiiUtil::GetRandomValue(BeardType::Min, BeardType::Max);
+        }
+
+        if ((mustache_and_beard_flag & BeardAndMustacheFlag::Mustache) ==
+            BeardAndMustacheFlag::Mustache) {
+            mustache_type = MiiUtil::GetRandomValue(MustacheType::Min, MustacheType::Max);
+        }
+
+        SetMustacheType(mustache_type);
+        SetBeardType(beard_type);
+        SetMustacheY(10);
+    } else {
+        SetMustacheType(MustacheType::None);
+        SetBeardType(BeardType::None);
+        SetMustacheY(static_cast<u8>(axis_y + 10));
+    }
+
+    const auto glasses_type_start{MiiUtil::GetRandomValue<std::size_t>(100)};
+    u8 glasses_type{};
+    while (glasses_type_start < glasses_type_info.values[glasses_type]) {
+        if (++glasses_type >= glasses_type_info.values_count) {
+            ASSERT(false);
+            break;
+        }
+    }
+
+    SetGlassType(static_cast<GlassType>(glasses_type));
+    SetGlassColor(RawData::GetGlassColorFromVer3(0));
+    SetGlassScale(4);
+
+    SetMoleType(MoleType::None);
+    SetMoleScale(4);
+    SetMoleX(2);
+    SetMoleY(20);
+}
+
+u32 CoreData::IsValid() const {
+    // TODO: Complete this
+    return 0;
+}
+
+void CoreData::SetFontRegion(FontRegion value) {
+    data.font_region.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetFavoriteColor(FavoriteColor value) {
+    data.favorite_color.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetGender(Gender value) {
+    data.gender.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetHeight(u8 value) {
+    data.height.Assign(value);
+}
+
+void CoreData::SetBuild(u8 value) {
+    data.build.Assign(value);
+}
+
+void CoreData::SetType(u8 value) {
+    data.type.Assign(value);
+}
+
+void CoreData::SetRegionMove(u8 value) {
+    data.region_move.Assign(value);
+}
+
+void CoreData::SetFacelineType(FacelineType value) {
+    data.faceline_type.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetFacelineColor(FacelineColor value) {
+    data.faceline_color.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetFacelineWrinkle(FacelineWrinkle value) {
+    data.faceline_wrinkle.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetFacelineMake(FacelineMake value) {
+    data.faceline_makeup.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetHairType(HairType value) {
+    data.hair_type.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetHairColor(CommonColor value) {
+    data.hair_color.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetHairFlip(HairFlip value) {
+    data.hair_flip.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetEyeType(EyeType value) {
+    data.eye_type.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetEyeColor(CommonColor value) {
+    data.eye_color.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetEyeScale(u8 value) {
+    data.eye_scale.Assign(value);
+}
+
+void CoreData::SetEyeAspect(u8 value) {
+    data.eye_aspect.Assign(value);
+}
+
+void CoreData::SetEyeRotate(u8 value) {
+    data.eye_rotate.Assign(value);
+}
+
+void CoreData::SetEyeX(u8 value) {
+    data.eye_x.Assign(value);
+}
+
+void CoreData::SetEyeY(u8 value) {
+    data.eye_y.Assign(value);
+}
+
+void CoreData::SetEyebrowType(EyebrowType value) {
+    data.eyebrow_type.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetEyebrowColor(CommonColor value) {
+    data.eyebrow_color.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetEyebrowScale(u8 value) {
+    data.eyebrow_scale.Assign(value);
+}
+
+void CoreData::SetEyebrowAspect(u8 value) {
+    data.eyebrow_aspect.Assign(value);
+}
+
+void CoreData::SetEyebrowRotate(u8 value) {
+    data.eyebrow_rotate.Assign(value);
+}
+
+void CoreData::SetEyebrowX(u8 value) {
+    data.eyebrow_x.Assign(value);
+}
+
+void CoreData::SetEyebrowY(u8 value) {
+    data.eyebrow_y.Assign(value);
+}
+
+void CoreData::SetNoseType(NoseType value) {
+    data.nose_type.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetNoseScale(u8 value) {
+    data.nose_scale.Assign(value);
+}
+
+void CoreData::SetNoseY(u8 value) {
+    data.nose_y.Assign(value);
+}
+
+void CoreData::SetMouthType(u8 value) {
+    data.mouth_type.Assign(value);
+}
+
+void CoreData::SetMouthColor(CommonColor value) {
+    data.mouth_color.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetMouthScale(u8 value) {
+    data.mouth_scale.Assign(value);
+}
+
+void CoreData::SetMouthAspect(u8 value) {
+    data.mouth_aspect.Assign(value);
+}
+
+void CoreData::SetMouthY(u8 value) {
+    data.mouth_y.Assign(value);
+}
+
+void CoreData::SetBeardColor(CommonColor value) {
+    data.beard_color.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetBeardType(BeardType value) {
+    data.beard_type.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetMustacheType(MustacheType value) {
+    data.mustache_type.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetMustacheScale(u8 value) {
+    data.mustache_scale.Assign(value);
+}
+
+void CoreData::SetMustacheY(u8 value) {
+    data.mustache_y.Assign(value);
+}
+
+void CoreData::SetGlassType(GlassType value) {
+    data.glasses_type.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetGlassColor(CommonColor value) {
+    data.glasses_color.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetGlassScale(u8 value) {
+    data.glasses_scale.Assign(value);
+}
+
+void CoreData::SetGlassY(u8 value) {
+    data.glasses_y.Assign(value);
+}
+
+void CoreData::SetMoleType(MoleType value) {
+    data.mole_type.Assign(static_cast<u32>(value));
+}
+
+void CoreData::SetMoleScale(u8 value) {
+    data.mole_scale.Assign(value);
+}
+
+void CoreData::SetMoleX(u8 value) {
+    data.mole_x.Assign(value);
+}
+
+void CoreData::SetMoleY(u8 value) {
+    data.mole_y.Assign(value);
+}
+
+void CoreData::SetNickname(Nickname nickname) {
+    name = nickname;
+}
+
+FontRegion CoreData::GetFontRegion() const {
+    return static_cast<FontRegion>(data.font_region.Value());
+}
+
+FavoriteColor CoreData::GetFavoriteColor() const {
+    return static_cast<FavoriteColor>(data.favorite_color.Value());
+}
+
+Gender CoreData::GetGender() const {
+    return static_cast<Gender>(data.gender.Value());
+}
+
+u8 CoreData::GetHeight() const {
+    return static_cast<u8>(data.height.Value());
+}
+
+u8 CoreData::GetBuild() const {
+    return static_cast<u8>(data.build.Value());
+}
+
+u8 CoreData::GetType() const {
+    return static_cast<u8>(data.type.Value());
+}
+
+u8 CoreData::GetRegionMove() const {
+    return static_cast<u8>(data.region_move.Value());
+}
+
+FacelineType CoreData::GetFacelineType() const {
+    return static_cast<FacelineType>(data.faceline_type.Value());
+}
+
+FacelineColor CoreData::GetFacelineColor() const {
+    return static_cast<FacelineColor>(data.faceline_color.Value());
+}
+
+FacelineWrinkle CoreData::GetFacelineWrinkle() const {
+    return static_cast<FacelineWrinkle>(data.faceline_wrinkle.Value());
+}
+
+FacelineMake CoreData::GetFacelineMake() const {
+    return static_cast<FacelineMake>(data.faceline_makeup.Value());
+}
+
+HairType CoreData::GetHairType() const {
+    return static_cast<HairType>(data.hair_type.Value());
+}
+
+CommonColor CoreData::GetHairColor() const {
+    return static_cast<CommonColor>(data.hair_color.Value());
+}
+
+HairFlip CoreData::GetHairFlip() const {
+    return static_cast<HairFlip>(data.hair_flip.Value());
+}
+
+EyeType CoreData::GetEyeType() const {
+    return static_cast<EyeType>(data.eye_type.Value());
+}
+
+CommonColor CoreData::GetEyeColor() const {
+    return static_cast<CommonColor>(data.eye_color.Value());
+}
+
+u8 CoreData::GetEyeScale() const {
+    return static_cast<u8>(data.eye_scale.Value());
+}
+
+u8 CoreData::GetEyeAspect() const {
+    return static_cast<u8>(data.eye_aspect.Value());
+}
+
+u8 CoreData::GetEyeRotate() const {
+    return static_cast<u8>(data.eye_rotate.Value());
+}
+
+u8 CoreData::GetEyeX() const {
+    return static_cast<u8>(data.eye_x.Value());
+}
+
+u8 CoreData::GetEyeY() const {
+    return static_cast<u8>(data.eye_y.Value());
+}
+
+EyebrowType CoreData::GetEyebrowType() const {
+    return static_cast<EyebrowType>(data.eyebrow_type.Value());
+}
+
+CommonColor CoreData::GetEyebrowColor() const {
+    return static_cast<CommonColor>(data.eyebrow_color.Value());
+}
+
+u8 CoreData::GetEyebrowScale() const {
+    return static_cast<u8>(data.eyebrow_scale.Value());
+}
+
+u8 CoreData::GetEyebrowAspect() const {
+    return static_cast<u8>(data.eyebrow_aspect.Value());
+}
+
+u8 CoreData::GetEyebrowRotate() const {
+    return static_cast<u8>(data.eyebrow_rotate.Value());
+}
+
+u8 CoreData::GetEyebrowX() const {
+    return static_cast<u8>(data.eyebrow_x.Value());
+}
+
+u8 CoreData::GetEyebrowY() const {
+    return static_cast<u8>(data.eyebrow_y.Value());
+}
+
+NoseType CoreData::GetNoseType() const {
+    return static_cast<NoseType>(data.nose_type.Value());
+}
+
+u8 CoreData::GetNoseScale() const {
+    return static_cast<u8>(data.nose_scale.Value());
+}
+
+u8 CoreData::GetNoseY() const {
+    return static_cast<u8>(data.nose_y.Value());
+}
+
+MouthType CoreData::GetMouthType() const {
+    return static_cast<MouthType>(data.mouth_type.Value());
+}
+
+CommonColor CoreData::GetMouthColor() const {
+    return static_cast<CommonColor>(data.mouth_color.Value());
+}
+
+u8 CoreData::GetMouthScale() const {
+    return static_cast<u8>(data.mouth_scale.Value());
+}
+
+u8 CoreData::GetMouthAspect() const {
+    return static_cast<u8>(data.mouth_aspect.Value());
+}
+
+u8 CoreData::GetMouthY() const {
+    return static_cast<u8>(data.mouth_y.Value());
+}
+
+CommonColor CoreData::GetBeardColor() const {
+    return static_cast<CommonColor>(data.beard_color.Value());
+}
+
+BeardType CoreData::GetBeardType() const {
+    return static_cast<BeardType>(data.beard_type.Value());
+}
+
+MustacheType CoreData::GetMustacheType() const {
+    return static_cast<MustacheType>(data.mustache_type.Value());
+}
+
+u8 CoreData::GetMustacheScale() const {
+    return static_cast<u8>(data.mustache_scale.Value());
+}
+
+u8 CoreData::GetMustacheY() const {
+    return static_cast<u8>(data.mustache_y.Value());
+}
+
+GlassType CoreData::GetGlassType() const {
+    return static_cast<GlassType>(data.glasses_type.Value());
+}
+
+CommonColor CoreData::GetGlassColor() const {
+    return static_cast<CommonColor>(data.glasses_color.Value());
+}
+
+u8 CoreData::GetGlassScale() const {
+    return static_cast<u8>(data.glasses_scale.Value());
+}
+
+u8 CoreData::GetGlassY() const {
+    return static_cast<u8>(data.glasses_y.Value());
+}
+
+MoleType CoreData::GetMoleType() const {
+    return static_cast<MoleType>(data.mole_type.Value());
+}
+
+u8 CoreData::GetMoleScale() const {
+    return static_cast<u8>(data.mole_scale.Value());
+}
+
+u8 CoreData::GetMoleX() const {
+    return static_cast<u8>(data.mole_x.Value());
+}
+
+u8 CoreData::GetMoleY() const {
+    return static_cast<u8>(data.mole_y.Value());
+}
+
+Nickname CoreData::GetNickname() const {
+    return name;
+}
+
+Nickname CoreData::GetDefaultNickname() const {
+    return {u'n', u'o', u' ', u'n', u'a', u'm', u'e'};
+}
+
+Nickname CoreData::GetInvalidNickname() const {
+    return {u'?', u'?', u'?'};
+}
+
+} // namespace Service::Mii

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

@@ -0,0 +1,216 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/service/mii/mii_types.h"
+
+namespace Service::Mii {
+
+struct StoreDataBitFields {
+    union {
+        u32 word_0{};
+
+        BitField<0, 8, u32> hair_type;
+        BitField<8, 7, u32> height;
+        BitField<15, 1, u32> mole_type;
+        BitField<16, 7, u32> build;
+        BitField<23, 1, u32> hair_flip;
+        BitField<24, 7, u32> hair_color;
+        BitField<31, 1, u32> type;
+    };
+
+    union {
+        u32 word_1{};
+
+        BitField<0, 7, u32> eye_color;
+        BitField<7, 1, u32> gender;
+        BitField<8, 7, u32> eyebrow_color;
+        BitField<16, 7, u32> mouth_color;
+        BitField<24, 7, u32> beard_color;
+    };
+
+    union {
+        u32 word_2{};
+
+        BitField<0, 7, u32> glasses_color;
+        BitField<8, 6, u32> eye_type;
+        BitField<14, 2, u32> region_move;
+        BitField<16, 6, u32> mouth_type;
+        BitField<22, 2, u32> font_region;
+        BitField<24, 5, u32> eye_y;
+        BitField<29, 3, u32> glasses_scale;
+    };
+
+    union {
+        u32 word_3{};
+
+        BitField<0, 5, u32> eyebrow_type;
+        BitField<5, 3, u32> mustache_type;
+        BitField<8, 5, u32> nose_type;
+        BitField<13, 3, u32> beard_type;
+        BitField<16, 5, u32> nose_y;
+        BitField<21, 3, u32> mouth_aspect;
+        BitField<24, 5, u32> mouth_y;
+        BitField<29, 3, u32> eyebrow_aspect;
+    };
+
+    union {
+        u32 word_4{};
+
+        BitField<0, 5, u32> mustache_y;
+        BitField<5, 3, u32> eye_rotate;
+        BitField<8, 5, u32> glasses_y;
+        BitField<13, 3, u32> eye_aspect;
+        BitField<16, 5, u32> mole_x;
+        BitField<21, 3, u32> eye_scale;
+        BitField<24, 5, u32> mole_y;
+    };
+
+    union {
+        u32 word_5{};
+
+        BitField<0, 5, u32> glasses_type;
+        BitField<8, 4, u32> favorite_color;
+        BitField<12, 4, u32> faceline_type;
+        BitField<16, 4, u32> faceline_color;
+        BitField<20, 4, u32> faceline_wrinkle;
+        BitField<24, 4, u32> faceline_makeup;
+        BitField<28, 4, u32> eye_x;
+    };
+
+    union {
+        u32 word_6{};
+
+        BitField<0, 4, u32> eyebrow_scale;
+        BitField<4, 4, u32> eyebrow_rotate;
+        BitField<8, 4, u32> eyebrow_x;
+        BitField<12, 4, u32> eyebrow_y;
+        BitField<16, 4, u32> nose_scale;
+        BitField<20, 4, u32> mouth_scale;
+        BitField<24, 4, u32> mustache_scale;
+        BitField<28, 4, u32> mole_scale;
+    };
+};
+static_assert(sizeof(StoreDataBitFields) == 0x1c, "StoreDataBitFields has incorrect size.");
+static_assert(std::is_trivially_copyable_v<StoreDataBitFields>,
+              "StoreDataBitFields is not trivially copyable.");
+
+class CoreData {
+public:
+    void SetDefault();
+    void BuildRandom(Age age, Gender gender, Race race);
+
+    u32 IsValid() const;
+
+    void SetFontRegion(FontRegion value);
+    void SetFavoriteColor(FavoriteColor value);
+    void SetGender(Gender value);
+    void SetHeight(u8 value);
+    void SetBuild(u8 value);
+    void SetType(u8 value);
+    void SetRegionMove(u8 value);
+    void SetFacelineType(FacelineType value);
+    void SetFacelineColor(FacelineColor value);
+    void SetFacelineWrinkle(FacelineWrinkle value);
+    void SetFacelineMake(FacelineMake value);
+    void SetHairType(HairType value);
+    void SetHairColor(CommonColor value);
+    void SetHairFlip(HairFlip value);
+    void SetEyeType(EyeType value);
+    void SetEyeColor(CommonColor value);
+    void SetEyeScale(u8 value);
+    void SetEyeAspect(u8 value);
+    void SetEyeRotate(u8 value);
+    void SetEyeX(u8 value);
+    void SetEyeY(u8 value);
+    void SetEyebrowType(EyebrowType value);
+    void SetEyebrowColor(CommonColor value);
+    void SetEyebrowScale(u8 value);
+    void SetEyebrowAspect(u8 value);
+    void SetEyebrowRotate(u8 value);
+    void SetEyebrowX(u8 value);
+    void SetEyebrowY(u8 value);
+    void SetNoseType(NoseType value);
+    void SetNoseScale(u8 value);
+    void SetNoseY(u8 value);
+    void SetMouthType(u8 value);
+    void SetMouthColor(CommonColor value);
+    void SetMouthScale(u8 value);
+    void SetMouthAspect(u8 value);
+    void SetMouthY(u8 value);
+    void SetBeardColor(CommonColor value);
+    void SetBeardType(BeardType value);
+    void SetMustacheType(MustacheType value);
+    void SetMustacheScale(u8 value);
+    void SetMustacheY(u8 value);
+    void SetGlassType(GlassType value);
+    void SetGlassColor(CommonColor value);
+    void SetGlassScale(u8 value);
+    void SetGlassY(u8 value);
+    void SetMoleType(MoleType value);
+    void SetMoleScale(u8 value);
+    void SetMoleX(u8 value);
+    void SetMoleY(u8 value);
+    void SetNickname(Nickname nickname);
+
+    FontRegion GetFontRegion() const;
+    FavoriteColor GetFavoriteColor() const;
+    Gender GetGender() const;
+    u8 GetHeight() const;
+    u8 GetBuild() const;
+    u8 GetType() const;
+    u8 GetRegionMove() const;
+    FacelineType GetFacelineType() const;
+    FacelineColor GetFacelineColor() const;
+    FacelineWrinkle GetFacelineWrinkle() const;
+    FacelineMake GetFacelineMake() const;
+    HairType GetHairType() const;
+    CommonColor GetHairColor() const;
+    HairFlip GetHairFlip() const;
+    EyeType GetEyeType() const;
+    CommonColor GetEyeColor() const;
+    u8 GetEyeScale() const;
+    u8 GetEyeAspect() const;
+    u8 GetEyeRotate() const;
+    u8 GetEyeX() const;
+    u8 GetEyeY() const;
+    EyebrowType GetEyebrowType() const;
+    CommonColor GetEyebrowColor() const;
+    u8 GetEyebrowScale() const;
+    u8 GetEyebrowAspect() const;
+    u8 GetEyebrowRotate() const;
+    u8 GetEyebrowX() const;
+    u8 GetEyebrowY() const;
+    NoseType GetNoseType() const;
+    u8 GetNoseScale() const;
+    u8 GetNoseY() const;
+    MouthType GetMouthType() const;
+    CommonColor GetMouthColor() const;
+    u8 GetMouthScale() const;
+    u8 GetMouthAspect() const;
+    u8 GetMouthY() const;
+    CommonColor GetBeardColor() const;
+    BeardType GetBeardType() const;
+    MustacheType GetMustacheType() const;
+    u8 GetMustacheScale() const;
+    u8 GetMustacheY() const;
+    GlassType GetGlassType() const;
+    CommonColor GetGlassColor() const;
+    u8 GetGlassScale() const;
+    u8 GetGlassY() const;
+    MoleType GetMoleType() const;
+    u8 GetMoleScale() const;
+    u8 GetMoleX() const;
+    u8 GetMoleY() const;
+    Nickname GetNickname() const;
+    Nickname GetDefaultNickname() const;
+    Nickname GetInvalidNickname() const;
+
+private:
+    StoreDataBitFields data{};
+    Nickname name{};
+};
+static_assert(sizeof(CoreData) == 0x30, "CoreData has incorrect size.");
+
+}; // namespace Service::Mii

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

@@ -0,0 +1,73 @@
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include "core/hle/service/mii/mii_types.h"
+
+namespace Service::Mii::RawData {
+
+struct RandomMiiValues {
+    std::array<u8, 188> values{};
+};
+static_assert(sizeof(RandomMiiValues) == 0xbc, "RandomMiiValues has incorrect size.");
+
+struct RandomMiiData4 {
+    u32 gender{};
+    u32 age{};
+    u32 race{};
+    u32 values_count{};
+    std::array<u32, 47> values{};
+};
+static_assert(sizeof(RandomMiiData4) == 0xcc, "RandomMiiData4 has incorrect size.");
+
+struct RandomMiiData3 {
+    u32 arg_1;
+    u32 arg_2;
+    u32 values_count;
+    std::array<u32, 47> values{};
+};
+static_assert(sizeof(RandomMiiData3) == 0xc8, "RandomMiiData3 has incorrect size.");
+
+struct RandomMiiData2 {
+    u32 arg_1;
+    u32 values_count;
+    std::array<u32, 47> values{};
+};
+static_assert(sizeof(RandomMiiData2) == 0xc4, "RandomMiiData2 has incorrect size.");
+
+extern const std::array<Service::Mii::DefaultMii, 2> BaseMii;
+extern const std::array<Service::Mii::DefaultMii, 6> DefaultMii;
+
+extern const std::array<u8, 62> EyeRotateLookup;
+extern const std::array<u8, 24> EyebrowRotateLookup;
+
+extern const std::array<RandomMiiData4, 18> RandomMiiFaceline;
+extern const std::array<RandomMiiData3, 6> RandomMiiFacelineColor;
+extern const std::array<RandomMiiData4, 18> RandomMiiFacelineWrinkle;
+extern const std::array<RandomMiiData4, 18> RandomMiiFacelineMakeup;
+extern const std::array<RandomMiiData4, 18> RandomMiiHairType;
+extern const std::array<RandomMiiData3, 9> RandomMiiHairColor;
+extern const std::array<RandomMiiData4, 18> RandomMiiEyeType;
+extern const std::array<RandomMiiData2, 3> RandomMiiEyeColor;
+extern const std::array<RandomMiiData4, 18> RandomMiiEyebrowType;
+extern const std::array<RandomMiiData4, 18> RandomMiiNoseType;
+extern const std::array<RandomMiiData4, 18> RandomMiiMouthType;
+extern const std::array<RandomMiiData2, 3> RandomMiiGlassType;
+
+u8 FromVer3GetFacelineColor(u8 color);
+u8 FromVer3GetHairColor(u8 color);
+u8 FromVer3GetEyeColor(u8 color);
+u8 FromVer3GetMouthlineColor(u8 color);
+u8 FromVer3GetGlassColor(u8 color);
+u8 FromVer3GetGlassType(u8 type);
+
+FacelineColor GetFacelineColorFromVer3(u32 color);
+CommonColor GetHairColorFromVer3(u32 color);
+CommonColor GetEyeColorFromVer3(u32 color);
+CommonColor GetMouthColorFromVer3(u32 color);
+CommonColor GetGlassColorFromVer3(u32 color);
+
+} // namespace Service::Mii::RawData

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

@@ -0,0 +1,643 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#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"
+
+namespace Service::Mii {
+
+void StoreData::BuildDefault(u32 mii_index) {
+    const auto& default_mii = RawData::DefaultMii[mii_index];
+    core_data.SetDefault();
+
+    core_data.SetFacelineType(static_cast<FacelineType>(default_mii.face_type));
+    core_data.SetFacelineColor(
+        RawData::GetFacelineColorFromVer3(static_cast<u8>(default_mii.face_color)));
+    core_data.SetFacelineWrinkle(static_cast<FacelineWrinkle>(default_mii.face_wrinkle));
+    core_data.SetFacelineMake(static_cast<FacelineMake>(default_mii.face_makeup));
+
+    core_data.SetHairType(static_cast<HairType>(default_mii.hair_type));
+    core_data.SetHairColor(RawData::GetHairColorFromVer3(static_cast<u8>(default_mii.hair_color)));
+    core_data.SetHairFlip(static_cast<HairFlip>(default_mii.hair_flip));
+    core_data.SetEyeType(static_cast<EyeType>(default_mii.eye_type));
+    core_data.SetEyeColor(RawData::GetEyeColorFromVer3(static_cast<u8>(default_mii.eye_color)));
+    core_data.SetEyeScale(static_cast<u8>(default_mii.eye_scale));
+    core_data.SetEyeAspect(static_cast<u8>(default_mii.eye_aspect));
+    core_data.SetEyeRotate(static_cast<u8>(default_mii.eye_rotate));
+    core_data.SetEyeX(static_cast<u8>(default_mii.eye_x));
+    core_data.SetEyeY(static_cast<u8>(default_mii.eye_y));
+
+    core_data.SetEyebrowType(static_cast<EyebrowType>(default_mii.eyebrow_type));
+    core_data.SetEyebrowColor(
+        RawData::GetHairColorFromVer3(static_cast<u8>(default_mii.eyebrow_color)));
+    core_data.SetEyebrowScale(static_cast<u8>(default_mii.eyebrow_scale));
+    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.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.SetMouthColor(
+        RawData::GetMouthColorFromVer3(static_cast<u8>(default_mii.mouth_color)));
+    core_data.SetMouthScale(static_cast<u8>(default_mii.mouth_scale));
+    core_data.SetMouthAspect(static_cast<u8>(default_mii.mouth_aspect));
+    core_data.SetMouthY(static_cast<u8>(default_mii.mouth_y));
+
+    core_data.SetMustacheType(static_cast<MustacheType>(default_mii.mustache_type));
+    core_data.SetBeardType(static_cast<BeardType>(default_mii.beard_type));
+    core_data.SetBeardColor(
+        RawData::GetHairColorFromVer3(static_cast<u8>(default_mii.beard_color)));
+    core_data.SetMustacheScale(static_cast<u8>(default_mii.mustache_scale));
+    core_data.SetMustacheY(static_cast<u8>(default_mii.mustache_y));
+
+    core_data.SetGlassType(static_cast<GlassType>(default_mii.glasses_type));
+    core_data.SetGlassColor(
+        RawData::GetGlassColorFromVer3(static_cast<u8>(default_mii.glasses_color)));
+    core_data.SetGlassScale(static_cast<u8>(default_mii.glasses_scale));
+    core_data.SetGlassY(static_cast<u8>(default_mii.glasses_y));
+
+    core_data.SetMoleType(static_cast<MoleType>(default_mii.mole_type));
+    core_data.SetMoleScale(static_cast<u8>(default_mii.mole_scale));
+    core_data.SetMoleX(static_cast<u8>(default_mii.mole_x));
+    core_data.SetMoleY(static_cast<u8>(default_mii.mole_y));
+
+    core_data.SetHeight(static_cast<u8>(default_mii.height));
+    core_data.SetBuild(static_cast<u8>(default_mii.weight));
+    core_data.SetGender(static_cast<Gender>(default_mii.gender));
+    core_data.SetFavoriteColor(static_cast<FavoriteColor>(default_mii.favorite_color));
+    core_data.SetRegionMove(static_cast<u8>(default_mii.region_move));
+    core_data.SetFontRegion(static_cast<FontRegion>(default_mii.font_region));
+    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));
+}
+
+void StoreData::BuildBase(Gender gender) {
+    const auto& default_mii = RawData::BaseMii[gender == Gender::Female ? 1 : 0];
+    core_data.SetDefault();
+
+    core_data.SetFacelineType(static_cast<FacelineType>(default_mii.face_type));
+    core_data.SetFacelineColor(
+        RawData::GetFacelineColorFromVer3(static_cast<u8>(default_mii.face_color)));
+    core_data.SetFacelineWrinkle(static_cast<FacelineWrinkle>(default_mii.face_wrinkle));
+    core_data.SetFacelineMake(static_cast<FacelineMake>(default_mii.face_makeup));
+
+    core_data.SetHairType(static_cast<HairType>(default_mii.hair_type));
+    core_data.SetHairColor(RawData::GetHairColorFromVer3(static_cast<u8>(default_mii.hair_color)));
+    core_data.SetHairFlip(static_cast<HairFlip>(default_mii.hair_flip));
+    core_data.SetEyeType(static_cast<EyeType>(default_mii.eye_type));
+    core_data.SetEyeColor(RawData::GetEyeColorFromVer3(static_cast<u8>(default_mii.eye_color)));
+    core_data.SetEyeScale(static_cast<u8>(default_mii.eye_scale));
+    core_data.SetEyeAspect(static_cast<u8>(default_mii.eye_aspect));
+    core_data.SetEyeRotate(static_cast<u8>(default_mii.eye_rotate));
+    core_data.SetEyeX(static_cast<u8>(default_mii.eye_x));
+    core_data.SetEyeY(static_cast<u8>(default_mii.eye_y));
+
+    core_data.SetEyebrowType(static_cast<EyebrowType>(default_mii.eyebrow_type));
+    core_data.SetEyebrowColor(
+        RawData::GetHairColorFromVer3(static_cast<u8>(default_mii.eyebrow_color)));
+    core_data.SetEyebrowScale(static_cast<u8>(default_mii.eyebrow_scale));
+    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.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.SetMouthColor(
+        RawData::GetMouthColorFromVer3(static_cast<u8>(default_mii.mouth_color)));
+    core_data.SetMouthScale(static_cast<u8>(default_mii.mouth_scale));
+    core_data.SetMouthAspect(static_cast<u8>(default_mii.mouth_aspect));
+    core_data.SetMouthY(static_cast<u8>(default_mii.mouth_y));
+
+    core_data.SetMustacheType(static_cast<MustacheType>(default_mii.mustache_type));
+    core_data.SetBeardType(static_cast<BeardType>(default_mii.beard_type));
+    core_data.SetBeardColor(
+        RawData::GetHairColorFromVer3(static_cast<u8>(default_mii.beard_color)));
+    core_data.SetMustacheScale(static_cast<u8>(default_mii.mustache_scale));
+    core_data.SetMustacheY(static_cast<u8>(default_mii.mustache_y));
+
+    core_data.SetGlassType(static_cast<GlassType>(default_mii.glasses_type));
+    core_data.SetGlassColor(
+        RawData::GetGlassColorFromVer3(static_cast<u8>(default_mii.glasses_color)));
+    core_data.SetGlassScale(static_cast<u8>(default_mii.glasses_scale));
+    core_data.SetGlassY(static_cast<u8>(default_mii.glasses_y));
+
+    core_data.SetMoleType(static_cast<MoleType>(default_mii.mole_type));
+    core_data.SetMoleScale(static_cast<u8>(default_mii.mole_scale));
+    core_data.SetMoleX(static_cast<u8>(default_mii.mole_x));
+    core_data.SetMoleY(static_cast<u8>(default_mii.mole_y));
+
+    core_data.SetHeight(static_cast<u8>(default_mii.height));
+    core_data.SetBuild(static_cast<u8>(default_mii.weight));
+    core_data.SetGender(static_cast<Gender>(default_mii.gender));
+    core_data.SetFavoriteColor(static_cast<FavoriteColor>(default_mii.favorite_color));
+    core_data.SetRegionMove(static_cast<u8>(default_mii.region_move));
+    core_data.SetFontRegion(static_cast<FontRegion>(default_mii.font_region));
+    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));
+}
+
+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));
+}
+
+void StoreData::SetInvalidName() {
+    const auto& invalid_name = core_data.GetInvalidNickname();
+    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));
+}
+
+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);
+}
+
+void StoreData::SetFavoriteColor(FavoriteColor value) {
+    core_data.SetFavoriteColor(value);
+}
+
+void StoreData::SetGender(Gender value) {
+    core_data.SetGender(value);
+}
+
+void StoreData::SetHeight(u8 value) {
+    core_data.SetHeight(value);
+}
+
+void StoreData::SetBuild(u8 value) {
+    core_data.SetBuild(value);
+}
+
+void StoreData::SetType(u8 value) {
+    core_data.SetType(value);
+}
+
+void StoreData::SetRegionMove(u8 value) {
+    core_data.SetRegionMove(value);
+}
+
+void StoreData::SetFacelineType(FacelineType value) {
+    core_data.SetFacelineType(value);
+}
+
+void StoreData::SetFacelineColor(FacelineColor value) {
+    core_data.SetFacelineColor(value);
+}
+
+void StoreData::SetFacelineWrinkle(FacelineWrinkle value) {
+    core_data.SetFacelineWrinkle(value);
+}
+
+void StoreData::SetFacelineMake(FacelineMake value) {
+    core_data.SetFacelineMake(value);
+}
+
+void StoreData::SetHairType(HairType value) {
+    core_data.SetHairType(value);
+}
+
+void StoreData::SetHairColor(CommonColor value) {
+    core_data.SetHairColor(value);
+}
+
+void StoreData::SetHairFlip(HairFlip value) {
+    core_data.SetHairFlip(value);
+}
+
+void StoreData::SetEyeType(EyeType value) {
+    core_data.SetEyeType(value);
+}
+
+void StoreData::SetEyeColor(CommonColor value) {
+    core_data.SetEyeColor(value);
+}
+
+void StoreData::SetEyeScale(u8 value) {
+    core_data.SetEyeScale(value);
+}
+
+void StoreData::SetEyeAspect(u8 value) {
+    core_data.SetEyeAspect(value);
+}
+
+void StoreData::SetEyeRotate(u8 value) {
+    core_data.SetEyeRotate(value);
+}
+
+void StoreData::SetEyeX(u8 value) {
+    core_data.SetEyeX(value);
+}
+
+void StoreData::SetEyeY(u8 value) {
+    core_data.SetEyeY(value);
+}
+
+void StoreData::SetEyebrowType(EyebrowType value) {
+    core_data.SetEyebrowType(value);
+}
+
+void StoreData::SetEyebrowColor(CommonColor value) {
+    core_data.SetEyebrowColor(value);
+}
+
+void StoreData::SetEyebrowScale(u8 value) {
+    core_data.SetEyebrowScale(value);
+}
+
+void StoreData::SetEyebrowAspect(u8 value) {
+    core_data.SetEyebrowAspect(value);
+}
+
+void StoreData::SetEyebrowRotate(u8 value) {
+    core_data.SetEyebrowRotate(value);
+}
+
+void StoreData::SetEyebrowX(u8 value) {
+    core_data.SetEyebrowX(value);
+}
+
+void StoreData::SetEyebrowY(u8 value) {
+    core_data.SetEyebrowY(value);
+}
+
+void StoreData::SetNoseType(NoseType value) {
+    core_data.SetNoseType(value);
+}
+
+void StoreData::SetNoseScale(u8 value) {
+    core_data.SetNoseScale(value);
+}
+
+void StoreData::SetNoseY(u8 value) {
+    core_data.SetNoseY(value);
+}
+
+void StoreData::SetMouthType(u8 value) {
+    core_data.SetMouthType(value);
+}
+
+void StoreData::SetMouthColor(CommonColor value) {
+    core_data.SetMouthColor(value);
+}
+
+void StoreData::SetMouthScale(u8 value) {
+    core_data.SetMouthScale(value);
+}
+
+void StoreData::SetMouthAspect(u8 value) {
+    core_data.SetMouthAspect(value);
+}
+
+void StoreData::SetMouthY(u8 value) {
+    core_data.SetMouthY(value);
+}
+
+void StoreData::SetBeardColor(CommonColor value) {
+    core_data.SetBeardColor(value);
+}
+
+void StoreData::SetBeardType(BeardType value) {
+    core_data.SetBeardType(value);
+}
+
+void StoreData::SetMustacheType(MustacheType value) {
+    core_data.SetMustacheType(value);
+}
+
+void StoreData::SetMustacheScale(u8 value) {
+    core_data.SetMustacheScale(value);
+}
+
+void StoreData::SetMustacheY(u8 value) {
+    core_data.SetMustacheY(value);
+}
+
+void StoreData::SetGlassType(GlassType value) {
+    core_data.SetGlassType(value);
+}
+
+void StoreData::SetGlassColor(CommonColor value) {
+    core_data.SetGlassColor(value);
+}
+
+void StoreData::SetGlassScale(u8 value) {
+    core_data.SetGlassScale(value);
+}
+
+void StoreData::SetGlassY(u8 value) {
+    core_data.SetGlassY(value);
+}
+
+void StoreData::SetMoleType(MoleType value) {
+    core_data.SetMoleType(value);
+}
+
+void StoreData::SetMoleScale(u8 value) {
+    core_data.SetMoleScale(value);
+}
+
+void StoreData::SetMoleX(u8 value) {
+    core_data.SetMoleX(value);
+}
+
+void StoreData::SetMoleY(u8 value) {
+    core_data.SetMoleY(value);
+}
+
+void StoreData::SetNickname(Nickname value) {
+    core_data.SetNickname(value);
+}
+
+Common::UUID StoreData::GetCreateId() const {
+    return create_id;
+}
+
+FontRegion StoreData::GetFontRegion() const {
+    return static_cast<FontRegion>(core_data.GetFontRegion());
+}
+
+FavoriteColor StoreData::GetFavoriteColor() const {
+    return core_data.GetFavoriteColor();
+}
+
+Gender StoreData::GetGender() const {
+    return core_data.GetGender();
+}
+
+u8 StoreData::GetHeight() const {
+    return core_data.GetHeight();
+}
+
+u8 StoreData::GetBuild() const {
+    return core_data.GetBuild();
+}
+
+u8 StoreData::GetType() const {
+    return core_data.GetType();
+}
+
+u8 StoreData::GetRegionMove() const {
+    return core_data.GetRegionMove();
+}
+
+FacelineType StoreData::GetFacelineType() const {
+    return core_data.GetFacelineType();
+}
+
+FacelineColor StoreData::GetFacelineColor() const {
+    return core_data.GetFacelineColor();
+}
+
+FacelineWrinkle StoreData::GetFacelineWrinkle() const {
+    return core_data.GetFacelineWrinkle();
+}
+
+FacelineMake StoreData::GetFacelineMake() const {
+    return core_data.GetFacelineMake();
+}
+
+HairType StoreData::GetHairType() const {
+    return core_data.GetHairType();
+}
+
+CommonColor StoreData::GetHairColor() const {
+    return core_data.GetHairColor();
+}
+
+HairFlip StoreData::GetHairFlip() const {
+    return core_data.GetHairFlip();
+}
+
+EyeType StoreData::GetEyeType() const {
+    return core_data.GetEyeType();
+}
+
+CommonColor StoreData::GetEyeColor() const {
+    return core_data.GetEyeColor();
+}
+
+u8 StoreData::GetEyeScale() const {
+    return core_data.GetEyeScale();
+}
+
+u8 StoreData::GetEyeAspect() const {
+    return core_data.GetEyeAspect();
+}
+
+u8 StoreData::GetEyeRotate() const {
+    return core_data.GetEyeRotate();
+}
+
+u8 StoreData::GetEyeX() const {
+    return core_data.GetEyeX();
+}
+
+u8 StoreData::GetEyeY() const {
+    return core_data.GetEyeY();
+}
+
+EyebrowType StoreData::GetEyebrowType() const {
+    return core_data.GetEyebrowType();
+}
+
+CommonColor StoreData::GetEyebrowColor() const {
+    return core_data.GetEyebrowColor();
+}
+
+u8 StoreData::GetEyebrowScale() const {
+    return core_data.GetEyebrowScale();
+}
+
+u8 StoreData::GetEyebrowAspect() const {
+    return core_data.GetEyebrowAspect();
+}
+
+u8 StoreData::GetEyebrowRotate() const {
+    return core_data.GetEyebrowRotate();
+}
+
+u8 StoreData::GetEyebrowX() const {
+    return core_data.GetEyebrowX();
+}
+
+u8 StoreData::GetEyebrowY() const {
+    return core_data.GetEyebrowY();
+}
+
+NoseType StoreData::GetNoseType() const {
+    return core_data.GetNoseType();
+}
+
+u8 StoreData::GetNoseScale() const {
+    return core_data.GetNoseScale();
+}
+
+u8 StoreData::GetNoseY() const {
+    return core_data.GetNoseY();
+}
+
+MouthType StoreData::GetMouthType() const {
+    return core_data.GetMouthType();
+}
+
+CommonColor StoreData::GetMouthColor() const {
+    return core_data.GetMouthColor();
+}
+
+u8 StoreData::GetMouthScale() const {
+    return core_data.GetMouthScale();
+}
+
+u8 StoreData::GetMouthAspect() const {
+    return core_data.GetMouthAspect();
+}
+
+u8 StoreData::GetMouthY() const {
+    return core_data.GetMouthY();
+}
+
+CommonColor StoreData::GetBeardColor() const {
+    return core_data.GetBeardColor();
+}
+
+BeardType StoreData::GetBeardType() const {
+    return core_data.GetBeardType();
+}
+
+MustacheType StoreData::GetMustacheType() const {
+    return core_data.GetMustacheType();
+}
+
+u8 StoreData::GetMustacheScale() const {
+    return core_data.GetMustacheScale();
+}
+
+u8 StoreData::GetMustacheY() const {
+    return core_data.GetMustacheY();
+}
+
+GlassType StoreData::GetGlassType() const {
+    return core_data.GetGlassType();
+}
+
+CommonColor StoreData::GetGlassColor() const {
+    return core_data.GetGlassColor();
+}
+
+u8 StoreData::GetGlassScale() const {
+    return core_data.GetGlassScale();
+}
+
+u8 StoreData::GetGlassY() const {
+    return core_data.GetGlassY();
+}
+
+MoleType StoreData::GetMoleType() const {
+    return core_data.GetMoleType();
+}
+
+u8 StoreData::GetMoleScale() const {
+    return core_data.GetMoleScale();
+}
+
+u8 StoreData::GetMoleX() const {
+    return core_data.GetMoleX();
+}
+
+u8 StoreData::GetMoleY() const {
+    return core_data.GetMoleY();
+}
+
+Nickname StoreData::GetNickname() const {
+    return core_data.GetNickname();
+}
+
+bool StoreData::operator==(const StoreData& data) {
+    bool is_identical = data.core_data.IsValid() == 0;
+    is_identical &= core_data.GetNickname().data == data.core_data.GetNickname().data;
+    is_identical &= GetCreateId() == data.GetCreateId();
+    is_identical &= GetFontRegion() == data.GetFontRegion();
+    is_identical &= GetFavoriteColor() == data.GetFavoriteColor();
+    is_identical &= GetGender() == data.GetGender();
+    is_identical &= GetHeight() == data.GetHeight();
+    is_identical &= GetBuild() == data.GetBuild();
+    is_identical &= GetType() == data.GetType();
+    is_identical &= GetRegionMove() == data.GetRegionMove();
+    is_identical &= GetFacelineType() == data.GetFacelineType();
+    is_identical &= GetFacelineColor() == data.GetFacelineColor();
+    is_identical &= GetFacelineWrinkle() == data.GetFacelineWrinkle();
+    is_identical &= GetFacelineMake() == data.GetFacelineMake();
+    is_identical &= GetHairType() == data.GetHairType();
+    is_identical &= GetHairColor() == data.GetHairColor();
+    is_identical &= GetHairFlip() == data.GetHairFlip();
+    is_identical &= GetEyeType() == data.GetEyeType();
+    is_identical &= GetEyeColor() == data.GetEyeColor();
+    is_identical &= GetEyeScale() == data.GetEyeScale();
+    is_identical &= GetEyeAspect() == data.GetEyeAspect();
+    is_identical &= GetEyeRotate() == data.GetEyeRotate();
+    is_identical &= GetEyeX() == data.GetEyeX();
+    is_identical &= GetEyeY() == data.GetEyeY();
+    is_identical &= GetEyebrowType() == data.GetEyebrowType();
+    is_identical &= GetEyebrowColor() == data.GetEyebrowColor();
+    is_identical &= GetEyebrowScale() == data.GetEyebrowScale();
+    is_identical &= GetEyebrowAspect() == data.GetEyebrowAspect();
+    is_identical &= GetEyebrowRotate() == data.GetEyebrowRotate();
+    is_identical &= GetEyebrowX() == data.GetEyebrowX();
+    is_identical &= GetEyebrowY() == data.GetEyebrowY();
+    is_identical &= GetNoseType() == data.GetNoseType();
+    is_identical &= GetNoseScale() == data.GetNoseScale();
+    is_identical &= GetNoseY() == data.GetNoseY();
+    is_identical &= GetMouthType() == data.GetMouthType();
+    is_identical &= GetMouthColor() == data.GetMouthColor();
+    is_identical &= GetMouthScale() == data.GetMouthScale();
+    is_identical &= GetMouthAspect() == data.GetMouthAspect();
+    is_identical &= GetMouthY() == data.GetMouthY();
+    is_identical &= GetBeardColor() == data.GetBeardColor();
+    is_identical &= GetBeardType() == data.GetBeardType();
+    is_identical &= GetMustacheType() == data.GetMustacheType();
+    is_identical &= GetMustacheScale() == data.GetMustacheScale();
+    is_identical &= GetMustacheY() == data.GetMustacheY();
+    is_identical &= GetGlassType() == data.GetGlassType();
+    is_identical &= GetGlassColor() == data.GetGlassColor();
+    is_identical &= GetGlassScale() == data.GetGlassScale();
+    is_identical &= GetGlassY() == data.GetGlassY();
+    is_identical &= GetMoleType() == data.GetMoleType();
+    is_identical &= GetMoleScale() == data.GetMoleScale();
+    is_identical &= GetMoleX() == data.GetMoleX();
+    is_identical &= data.GetMoleY() == data.GetMoleY();
+    return is_identical;
+}
+
+} // namespace Service::Mii

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

@@ -0,0 +1,145 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/service/mii/mii_types.h"
+#include "core/hle/service/mii/types/core_data.h"
+
+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);
+
+    bool IsSpecial() const;
+
+    u32 IsValid() const;
+
+    void SetFontRegion(FontRegion value);
+    void SetFavoriteColor(FavoriteColor value);
+    void SetGender(Gender value);
+    void SetHeight(u8 value);
+    void SetBuild(u8 value);
+    void SetType(u8 value);
+    void SetRegionMove(u8 value);
+    void SetFacelineType(FacelineType value);
+    void SetFacelineColor(FacelineColor value);
+    void SetFacelineWrinkle(FacelineWrinkle value);
+    void SetFacelineMake(FacelineMake value);
+    void SetHairType(HairType value);
+    void SetHairColor(CommonColor value);
+    void SetHairFlip(HairFlip value);
+    void SetEyeType(EyeType value);
+    void SetEyeColor(CommonColor value);
+    void SetEyeScale(u8 value);
+    void SetEyeAspect(u8 value);
+    void SetEyeRotate(u8 value);
+    void SetEyeX(u8 value);
+    void SetEyeY(u8 value);
+    void SetEyebrowType(EyebrowType value);
+    void SetEyebrowColor(CommonColor value);
+    void SetEyebrowScale(u8 value);
+    void SetEyebrowAspect(u8 value);
+    void SetEyebrowRotate(u8 value);
+    void SetEyebrowX(u8 value);
+    void SetEyebrowY(u8 value);
+    void SetNoseType(NoseType value);
+    void SetNoseScale(u8 value);
+    void SetNoseY(u8 value);
+    void SetMouthType(u8 value);
+    void SetMouthColor(CommonColor value);
+    void SetMouthScale(u8 value);
+    void SetMouthAspect(u8 value);
+    void SetMouthY(u8 value);
+    void SetBeardColor(CommonColor value);
+    void SetBeardType(BeardType value);
+    void SetMustacheType(MustacheType value);
+    void SetMustacheScale(u8 value);
+    void SetMustacheY(u8 value);
+    void SetGlassType(GlassType value);
+    void SetGlassColor(CommonColor value);
+    void SetGlassScale(u8 value);
+    void SetGlassY(u8 value);
+    void SetMoleType(MoleType value);
+    void SetMoleScale(u8 value);
+    void SetMoleX(u8 value);
+    void SetMoleY(u8 value);
+    void SetNickname(Nickname nickname);
+    void SetInvalidName();
+
+    Common::UUID GetCreateId() const;
+    FontRegion GetFontRegion() const;
+    FavoriteColor GetFavoriteColor() const;
+    Gender GetGender() const;
+    u8 GetHeight() const;
+    u8 GetBuild() const;
+    u8 GetType() const;
+    u8 GetRegionMove() const;
+    FacelineType GetFacelineType() const;
+    FacelineColor GetFacelineColor() const;
+    FacelineWrinkle GetFacelineWrinkle() const;
+    FacelineMake GetFacelineMake() const;
+    HairType GetHairType() const;
+    CommonColor GetHairColor() const;
+    HairFlip GetHairFlip() const;
+    EyeType GetEyeType() const;
+    CommonColor GetEyeColor() const;
+    u8 GetEyeScale() const;
+    u8 GetEyeAspect() const;
+    u8 GetEyeRotate() const;
+    u8 GetEyeX() const;
+    u8 GetEyeY() const;
+    EyebrowType GetEyebrowType() const;
+    CommonColor GetEyebrowColor() const;
+    u8 GetEyebrowScale() const;
+    u8 GetEyebrowAspect() const;
+    u8 GetEyebrowRotate() const;
+    u8 GetEyebrowX() const;
+    u8 GetEyebrowY() const;
+    NoseType GetNoseType() const;
+    u8 GetNoseScale() const;
+    u8 GetNoseY() const;
+    MouthType GetMouthType() const;
+    CommonColor GetMouthColor() const;
+    u8 GetMouthScale() const;
+    u8 GetMouthAspect() const;
+    u8 GetMouthY() const;
+    CommonColor GetBeardColor() const;
+    BeardType GetBeardType() const;
+    MustacheType GetMustacheType() const;
+    u8 GetMustacheScale() const;
+    u8 GetMustacheY() const;
+    GlassType GetGlassType() const;
+    CommonColor GetGlassColor() const;
+    u8 GetGlassScale() const;
+    u8 GetGlassY() const;
+    MoleType GetMoleType() const;
+    u8 GetMoleScale() const;
+    u8 GetMoleX() const;
+    u8 GetMoleY() const;
+    Nickname GetNickname() const;
+
+    bool operator==(const StoreData& data);
+
+private:
+    CoreData core_data{};
+    Common::UUID create_id{};
+    u16 data_crc{};
+    u16 device_crc{};
+};
+static_assert(sizeof(StoreData) == 0x44, "StoreData has incorrect size.");
+
+struct StoreDataElement {
+    StoreData store_data{};
+    Source source{};
+};
+static_assert(sizeof(StoreDataElement) == 0x48, "StoreDataElement has incorrect size.");
+
+}; // namespace Service::Mii

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

@@ -0,0 +1,241 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#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"
+#include "core/hle/service/mii/types/ver3_store_data.h"
+
+namespace Service::Mii {
+
+void NfpStoreDataExtension::SetFromStoreData(const StoreData& store_data) {
+    faceline_color = static_cast<u8>(store_data.GetFacelineColor()) & 0xf;
+    hair_color = static_cast<u8>(store_data.GetHairColor()) & 0x7f;
+    eye_color = static_cast<u8>(store_data.GetEyeColor()) & 0x7f;
+    eyebrow_color = static_cast<u8>(store_data.GetEyebrowColor()) & 0x7f;
+    mouth_color = static_cast<u8>(store_data.GetMouthColor()) & 0x7f;
+    beard_color = static_cast<u8>(store_data.GetBeardColor()) & 0x7f;
+    glass_color = static_cast<u8>(store_data.GetGlassColor()) & 0x7f;
+    glass_type = static_cast<u8>(store_data.GetGlassType()) & 0x1f;
+}
+
+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()));
+    out_store_data.SetHeight(height);
+    out_store_data.SetBuild(build);
+
+    out_store_data.SetNickname(mii_name);
+    out_store_data.SetFontRegion(
+        static_cast<FontRegion>(static_cast<u8>(region_information.font_region)));
+
+    out_store_data.SetFacelineType(
+        static_cast<FacelineType>(appearance_bits1.faceline_type.Value()));
+    out_store_data.SetFacelineColor(
+        static_cast<FacelineColor>(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.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.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));
+
+    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.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.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.SetBeardType(static_cast<BeardType>(appearance_bits9.beard_type.Value()));
+    out_store_data.SetBeardColor(static_cast<CommonColor>(appearance_bits9.beard_color.Value()));
+
+    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.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));
+}
+
+void Ver3StoreData::BuildFromStoreData(const StoreData& store_data) {
+    version = 1;
+    mii_information.gender.Assign(static_cast<u8>(store_data.GetGender()));
+    mii_information.favorite_color.Assign(static_cast<u8>(store_data.GetFavoriteColor()));
+    height = store_data.GetHeight();
+    build = store_data.GetBuild();
+
+    mii_name = store_data.GetNickname();
+    region_information.font_region.Assign(static_cast<u8>(store_data.GetFontRegion()));
+
+    appearance_bits1.faceline_type.Assign(static_cast<u8>(store_data.GetFacelineType()));
+    appearance_bits2.faceline_wrinkle.Assign(static_cast<u8>(store_data.GetFacelineWrinkle()));
+    appearance_bits2.faceline_make.Assign(static_cast<u8>(store_data.GetFacelineMake()));
+
+    hair_type = static_cast<u8>(store_data.GetHairType());
+    appearance_bits3.hair_flip.Assign(static_cast<u8>(store_data.GetHairFlip()));
+
+    appearance_bits4.eye_type.Assign(static_cast<u8>(store_data.GetEyeType()));
+    appearance_bits4.eye_scale.Assign(store_data.GetEyeScale());
+    appearance_bits4.eye_aspect.Assign(store_data.GetEyebrowAspect());
+    appearance_bits4.eye_rotate.Assign(store_data.GetEyeRotate());
+    appearance_bits4.eye_x.Assign(store_data.GetEyeX());
+    appearance_bits4.eye_y.Assign(store_data.GetEyeY());
+
+    appearance_bits5.eyebrow_type.Assign(static_cast<u8>(store_data.GetEyebrowType()));
+    appearance_bits5.eyebrow_scale.Assign(store_data.GetEyebrowScale());
+    appearance_bits5.eyebrow_aspect.Assign(store_data.GetEyebrowAspect());
+    appearance_bits5.eyebrow_rotate.Assign(store_data.GetEyebrowRotate());
+    appearance_bits5.eyebrow_x.Assign(store_data.GetEyebrowX());
+    appearance_bits5.eyebrow_y.Assign(store_data.GetEyebrowY());
+
+    appearance_bits6.nose_type.Assign(static_cast<u8>(store_data.GetNoseType()));
+    appearance_bits6.nose_scale.Assign(store_data.GetNoseScale());
+    appearance_bits6.nose_y.Assign(store_data.GetNoseY());
+
+    appearance_bits7.mouth_type.Assign(static_cast<u8>(store_data.GetMouthType()));
+    appearance_bits7.mouth_scale.Assign(store_data.GetMouthScale());
+    appearance_bits7.mouth_aspect.Assign(store_data.GetMouthAspect());
+    appearance_bits8.mouth_y.Assign(store_data.GetMouthY());
+
+    appearance_bits8.mustache_type.Assign(static_cast<u8>(store_data.GetMustacheType()));
+    appearance_bits9.mustache_scale.Assign(store_data.GetMustacheScale());
+    appearance_bits9.mustache_y.Assign(store_data.GetMustacheY());
+
+    appearance_bits9.beard_type.Assign(static_cast<u8>(store_data.GetBeardType()));
+
+    appearance_bits10.glass_scale.Assign(store_data.GetGlassScale());
+    appearance_bits10.glass_y.Assign(store_data.GetGlassY());
+
+    appearance_bits11.mole_type.Assign(static_cast<u8>(store_data.GetMoleType()));
+    appearance_bits11.mole_scale.Assign(store_data.GetMoleScale());
+    appearance_bits11.mole_x.Assign(store_data.GetMoleX());
+    appearance_bits11.mole_y.Assign(store_data.GetMoleY());
+
+    // These types are converted to V3 from a table
+    appearance_bits1.faceline_color.Assign(
+        RawData::FromVer3GetFacelineColor(static_cast<u8>(store_data.GetFacelineColor())));
+    appearance_bits3.hair_color.Assign(
+        RawData::FromVer3GetHairColor(static_cast<u8>(store_data.GetHairColor())));
+    appearance_bits4.eye_color.Assign(
+        RawData::FromVer3GetEyeColor(static_cast<u8>(store_data.GetEyeColor())));
+    appearance_bits5.eyebrow_color.Assign(
+        RawData::FromVer3GetHairColor(static_cast<u8>(store_data.GetEyebrowColor())));
+    appearance_bits7.mouth_color.Assign(
+        RawData::FromVer3GetMouthlineColor(static_cast<u8>(store_data.GetMouthColor())));
+    appearance_bits9.beard_color.Assign(
+        RawData::FromVer3GetHairColor(static_cast<u8>(store_data.GetBeardColor())));
+    appearance_bits10.glass_color.Assign(
+        RawData::FromVer3GetGlassColor(static_cast<u8>(store_data.GetGlassColor())));
+    appearance_bits10.glass_type.Assign(
+        RawData::FromVer3GetGlassType(static_cast<u8>(store_data.GetGlassType())));
+
+    crc = MiiUtil::CalculateCrc16(&version, sizeof(Ver3StoreData) - sizeof(u16));
+}
+
+u32 Ver3StoreData::IsValid() const {
+    bool is_valid = version == 0 || version == 3;
+
+    is_valid = is_valid && (mii_name.data[0] != '\0');
+
+    is_valid = is_valid && (mii_information.birth_month < 13);
+    is_valid = is_valid && (mii_information.birth_day < 32);
+    is_valid = is_valid && (mii_information.favorite_color <= static_cast<u8>(FavoriteColor::Max));
+    is_valid = is_valid && (height <= MaxHeight);
+    is_valid = is_valid && (build <= MaxBuild);
+
+    is_valid = is_valid && (appearance_bits1.faceline_type <= static_cast<u8>(FacelineType::Max));
+    is_valid = is_valid && (appearance_bits1.faceline_color <= MaxVer3CommonColor - 2);
+    is_valid =
+        is_valid && (appearance_bits2.faceline_wrinkle <= static_cast<u8>(FacelineWrinkle::Max));
+    is_valid = is_valid && (appearance_bits2.faceline_make <= static_cast<u8>(FacelineMake::Max));
+
+    is_valid = is_valid && (hair_type <= static_cast<u8>(HairType::Max));
+    is_valid = is_valid && (appearance_bits3.hair_color <= MaxVer3CommonColor);
+
+    is_valid = is_valid && (appearance_bits4.eye_type <= static_cast<u8>(EyeType::Max));
+    is_valid = is_valid && (appearance_bits4.eye_color <= MaxVer3CommonColor - 2);
+    is_valid = is_valid && (appearance_bits4.eye_scale <= MaxEyeScale);
+    is_valid = is_valid && (appearance_bits4.eye_aspect <= MaxEyeAspect);
+    is_valid = is_valid && (appearance_bits4.eye_rotate <= MaxEyeRotate);
+    is_valid = is_valid && (appearance_bits4.eye_x <= MaxEyeX);
+    is_valid = is_valid && (appearance_bits4.eye_y <= MaxEyeY);
+
+    is_valid = is_valid && (appearance_bits5.eyebrow_type <= static_cast<u8>(EyebrowType::Max));
+    is_valid = is_valid && (appearance_bits5.eyebrow_color <= MaxVer3CommonColor);
+    is_valid = is_valid && (appearance_bits5.eyebrow_scale <= MaxEyebrowScale);
+    is_valid = is_valid && (appearance_bits5.eyebrow_aspect <= MaxEyebrowAspect);
+    is_valid = is_valid && (appearance_bits5.eyebrow_rotate <= MaxEyebrowRotate);
+    is_valid = is_valid && (appearance_bits5.eyebrow_x <= MaxEyebrowX);
+    is_valid = is_valid && (appearance_bits5.eyebrow_y <= MaxEyebrowY);
+
+    is_valid = is_valid && (appearance_bits6.nose_type <= static_cast<u8>(NoseType::Max));
+    is_valid = is_valid && (appearance_bits6.nose_scale <= MaxNoseScale);
+    is_valid = is_valid && (appearance_bits6.nose_y <= MaxNoseY);
+
+    is_valid = is_valid && (appearance_bits7.mouth_type <= static_cast<u8>(MouthType::Max));
+    is_valid = is_valid && (appearance_bits7.mouth_color <= MaxVer3CommonColor - 3);
+    is_valid = is_valid && (appearance_bits7.mouth_scale <= MaxMouthScale);
+    is_valid = is_valid && (appearance_bits7.mouth_aspect <= MaxMoutAspect);
+    is_valid = is_valid && (appearance_bits8.mouth_y <= MaxMouthY);
+
+    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.beard_type <= static_cast<u8>(BeardType::Max));
+    is_valid = is_valid && (appearance_bits9.beard_color <= MaxVer3CommonColor);
+
+    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_bits11.mole_type <= static_cast<u8>(MoleType::Max));
+    is_valid = is_valid && (appearance_bits11.mole_scale <= MaxMoleScale);
+    is_valid = is_valid && (appearance_bits11.mole_x <= MaxMoleX);
+    is_valid = is_valid && (appearance_bits11.mole_y <= MaxMoleY);
+
+    return is_valid;
+}
+
+} // namespace Service::Mii

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

@@ -0,0 +1,160 @@
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/hle/service/mii/mii_types.h"
+
+namespace Service::Mii {
+class StoreData;
+
+// This is nn::mii::Ver3StoreData
+// Based on citra HLE::Applets::MiiData and PretendoNetwork.
+// https://github.com/citra-emu/citra/blob/master/src/core/hle/applets/mii_selector.h#L48
+// https://github.com/PretendoNetwork/mii-js/blob/master/mii.js#L299
+
+struct NfpStoreDataExtension {
+    void SetFromStoreData(const StoreData& store_data);
+
+    u8 faceline_color;
+    u8 hair_color;
+    u8 eye_color;
+    u8 eyebrow_color;
+    u8 mouth_color;
+    u8 beard_color;
+    u8 glass_color;
+    u8 glass_type;
+};
+static_assert(sizeof(NfpStoreDataExtension) == 0x8, "NfpStoreDataExtension is an invalid size");
+
+#pragma pack(push, 4)
+class Ver3StoreData {
+public:
+    void BuildToStoreData(StoreData& out_store_data) const;
+    void BuildFromStoreData(const StoreData& store_data);
+
+    u32 IsValid() const;
+
+    u8 version;
+    union {
+        u8 raw;
+
+        BitField<0, 1, u8> allow_copying;
+        BitField<1, 1, u8> profanity_flag;
+        BitField<2, 2, u8> region_lock;
+        BitField<4, 2, u8> font_region;
+    } region_information;
+    u16_be mii_id;
+    u64_be system_id;
+    u32_be specialness_and_creation_date;
+    std::array<u8, 6> creator_mac;
+    u16_be padding;
+    union {
+        u16 raw;
+
+        BitField<0, 1, u16> gender;
+        BitField<1, 4, u16> birth_month;
+        BitField<5, 5, u16> birth_day;
+        BitField<10, 4, u16> favorite_color;
+        BitField<14, 1, u16> favorite;
+    } mii_information;
+    Nickname mii_name;
+    u8 height;
+    u8 build;
+    union {
+        u8 raw;
+
+        BitField<0, 1, u8> disable_sharing;
+        BitField<1, 4, u8> faceline_type;
+        BitField<5, 3, u8> faceline_color;
+    } appearance_bits1;
+    union {
+        u8 raw;
+
+        BitField<0, 4, u8> faceline_wrinkle;
+        BitField<4, 4, u8> faceline_make;
+    } appearance_bits2;
+    u8 hair_type;
+    union {
+        u8 raw;
+
+        BitField<0, 3, u8> hair_color;
+        BitField<3, 1, u8> hair_flip;
+    } appearance_bits3;
+    union {
+        u32 raw;
+
+        BitField<0, 6, u32> eye_type;
+        BitField<6, 3, u32> eye_color;
+        BitField<9, 4, u32> eye_scale;
+        BitField<13, 3, u32> eye_aspect;
+        BitField<16, 5, u32> eye_rotate;
+        BitField<21, 4, u32> eye_x;
+        BitField<25, 5, u32> eye_y;
+    } appearance_bits4;
+    union {
+        u32 raw;
+
+        BitField<0, 5, u32> eyebrow_type;
+        BitField<5, 3, u32> eyebrow_color;
+        BitField<8, 4, u32> eyebrow_scale;
+        BitField<12, 3, u32> eyebrow_aspect;
+        BitField<16, 4, u32> eyebrow_rotate;
+        BitField<21, 4, u32> eyebrow_x;
+        BitField<25, 5, u32> eyebrow_y;
+    } appearance_bits5;
+    union {
+        u16 raw;
+
+        BitField<0, 5, u16> nose_type;
+        BitField<5, 4, u16> nose_scale;
+        BitField<9, 5, u16> nose_y;
+    } appearance_bits6;
+    union {
+        u16 raw;
+
+        BitField<0, 6, u16> mouth_type;
+        BitField<6, 3, u16> mouth_color;
+        BitField<9, 4, u16> mouth_scale;
+        BitField<13, 3, u16> mouth_aspect;
+    } appearance_bits7;
+    union {
+        u8 raw;
+
+        BitField<0, 5, u8> mouth_y;
+        BitField<5, 3, u8> mustache_type;
+    } appearance_bits8;
+    u8 allow_copying;
+    union {
+        u16 raw;
+
+        BitField<0, 3, u16> beard_type;
+        BitField<3, 3, u16> beard_color;
+        BitField<6, 4, u16> mustache_scale;
+        BitField<10, 5, u16> mustache_y;
+    } appearance_bits9;
+    union {
+        u16 raw;
+
+        BitField<0, 4, u16> glass_type;
+        BitField<4, 3, u16> glass_color;
+        BitField<7, 4, u16> glass_scale;
+        BitField<11, 5, u16> glass_y;
+    } appearance_bits10;
+    union {
+        u16 raw;
+
+        BitField<0, 1, u16> mole_type;
+        BitField<1, 4, u16> mole_scale;
+        BitField<5, 5, u16> mole_x;
+        BitField<10, 5, u16> mole_y;
+    } appearance_bits11;
+
+    Nickname author_name;
+    INSERT_PADDING_BYTES(0x2);
+    u16_be crc;
+};
+static_assert(sizeof(Ver3StoreData) == 0x60, "Ver3StoreData is an invalid size");
+#pragma pack(pop)
+
+}; // namespace Service::Mii

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

@@ -28,7 +28,6 @@
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/service/ipc_helpers.h"
 #include "core/hle/service/mii/mii_manager.h"
-#include "core/hle/service/mii/types.h"
 #include "core/hle/service/nfc/common/amiibo_crypto.h"
 #include "core/hle/service/nfc/common/device.h"
 #include "core/hle/service/nfc/mifare_result.h"
@@ -681,12 +680,16 @@ Result NfcDevice::GetRegisterInfo(NFP::RegisterInfo& register_info) const {
         return ResultRegistrationIsNotInitialized;
     }
 
-    Service::Mii::MiiManager manager;
+    Mii::CharInfo char_info{};
+    Mii::StoreData store_data{};
+    tag_data.owner_mii.BuildToStoreData(store_data);
+    char_info.SetFromStoreData(store_data);
+
     const auto& settings = tag_data.settings;
 
     // TODO: Validate this data
     register_info = {
-        .mii_char_info = manager.ConvertV3ToCharInfo(tag_data.owner_mii),
+        .mii_char_info = char_info,
         .creation_date = settings.init_date.GetWriteDate(),
         .amiibo_name = GetAmiiboName(settings),
         .font_region = settings.settings.font_region,
@@ -825,8 +828,11 @@ Result NfcDevice::SetRegisterInfoPrivate(const NFP::RegisterInfoPrivate& registe
         return ResultWrongDeviceState;
     }
 
-    Service::Mii::MiiManager manager;
+    Service::Mii::StoreData store_data{};
-    const auto mii = manager.BuildBase(Mii::Gender::Male);
+    Service::Mii::NfpStoreDataExtension extension{};
+    store_data.BuildBase(Mii::Gender::Male);
+    extension.SetFromStoreData(store_data);
+
     auto& settings = tag_data.settings;
 
     if (tag_data.settings.settings.amiibo_initialized == 0) {
@@ -835,8 +841,8 @@ Result NfcDevice::SetRegisterInfoPrivate(const NFP::RegisterInfoPrivate& registe
     }
 
     SetAmiiboName(settings, register_info.amiibo_name);
-    tag_data.owner_mii = manager.BuildFromStoreData(mii);
+    tag_data.owner_mii.BuildFromStoreData(store_data);
-    tag_data.mii_extension = manager.SetFromStoreData(mii);
+    tag_data.mii_extension = extension;
     tag_data.unknown = 0;
     tag_data.unknown2 = {};
     settings.country_code_id = 0;
@@ -1453,7 +1459,7 @@ void NfcDevice::UpdateRegisterInfoCrc() {
 
 void NfcDevice::BuildAmiiboWithoutKeys(NFP::NTAG215File& stubbed_tag_data,
                                        const NFP::EncryptedNTAG215File& encrypted_file) const {
-    Service::Mii::MiiManager manager;
+    Service::Mii::StoreData store_data{};
     auto& settings = stubbed_tag_data.settings;
 
     stubbed_tag_data = NFP::AmiiboCrypto::NfcDataToEncodedData(encrypted_file);
@@ -1467,7 +1473,8 @@ void NfcDevice::BuildAmiiboWithoutKeys(NFP::NTAG215File& stubbed_tag_data,
     SetAmiiboName(settings, {'y', 'u', 'z', 'u', 'A', 'm', 'i', 'i', 'b', 'o'});
     settings.settings.font_region.Assign(0);
     settings.init_date = GetAmiiboDate(GetCurrentPosixTime());
-    stubbed_tag_data.owner_mii = manager.BuildFromStoreData(manager.BuildBase(Mii::Gender::Male));
+    store_data.BuildBase(Mii::Gender::Male);
+    stubbed_tag_data.owner_mii.BuildFromStoreData(store_data);
 
     // Admin info
     settings.settings.amiibo_initialized.Assign(1);

src/core/hle/service/nfp/nfp_types.h

@@ -6,7 +6,9 @@
 #include <array>
 
 #include "common/swap.h"
-#include "core/hle/service/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"
 #include "core/hle/service/nfc/nfc_types.h"
 
 namespace Service::NFP {
@@ -322,7 +324,7 @@ static_assert(sizeof(RegisterInfo) == 0x100, "RegisterInfo is an invalid size");
 
 // This is nn::nfp::RegisterInfoPrivate
 struct RegisterInfoPrivate {
-    Service::Mii::MiiStoreData mii_store_data;
+    Service::Mii::StoreData mii_store_data;
     WriteDate creation_date;
     AmiiboName amiibo_name;
     u8 font_region;

src/core/hle/service/sockets/bsd.cpp

@@ -170,7 +170,7 @@ void BSD::Socket(HLERequestContext& ctx) {
 }
 
 void BSD::Select(HLERequestContext& ctx) {
-    LOG_WARNING(Service, "(STUBBED) called");
+    LOG_DEBUG(Service, "(STUBBED) called");
 
     IPC::ResponseBuilder rb{ctx, 4};
 

src/yuzu/applets/qt_amiibo_settings.cpp

@@ -160,7 +160,8 @@ void QtAmiiboSettingsDialog::LoadAmiiboData() {
     }
 
     const auto amiibo_name = std::string(register_info.amiibo_name.data());
-    const auto owner_name = Common::UTF16ToUTF8(register_info.mii_char_info.name.data());
+    const auto owner_name =
+        Common::UTF16ToUTF8(register_info.mii_char_info.GetNickname().data.data());
     const auto creation_date =
         QDate(register_info.creation_date.year, register_info.creation_date.month,
               register_info.creation_date.day);