freezer: Update documentation

Revert PR 2590.

.github/FUNDING.yml

@@ -0,0 +1,3 @@
+# These are supported funding model platforms
+
+patreon: yuzuteam

.travis/linux-mingw/build.sh

@@ -1,3 +1,4 @@
 #!/bin/bash -ex
-mkdir "$HOME/.ccache" || true
-docker run --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu -v "$HOME/.ccache":/root/.ccache yuzuemu/build-environments:linux-mingw /bin/bash -ex /yuzu/.travis/linux-mingw/docker.sh
+
+mkdir -p "$HOME/.ccache"
+docker run -e ENABLE_COMPATIBILITY_REPORTING --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu -v "$HOME/.ccache":/root/.ccache yuzuemu/build-environments:linux-mingw /bin/bash /yuzu/.travis/linux-mingw/docker.sh

CMakeLists.txt

@@ -7,6 +7,18 @@ include(CMakeDependentOption)
 
 project(yuzu)
 
+# Get Git submodule dependencies
+find_package(Git QUIET)
+if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
+    execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
+                    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+                    RESULT_VARIABLE GIT_SUBMOD_RESULT)
+    if(NOT GIT_SUBMOD_RESULT EQUAL "0")
+        message(FATAL_ERROR "git submodule update --init --recursive failed with ${GIT_SUBMOD_RESULT}, "
+                "please checkout submodules manually with \"git submodule update --init --recursive\"")
+    endif()
+endif()
+
 # Set bundled sdl2/qt as dependent options.
 # OFF by default, but if ENABLE_SDL2 and MSVC are true then ON
 option(ENABLE_SDL2 "Enable the SDL2 frontend" ON)
@@ -33,22 +45,6 @@ if(NOT EXISTS ${PROJECT_SOURCE_DIR}/.git/hooks/pre-commit)
         DESTINATION ${PROJECT_SOURCE_DIR}/.git/hooks)
 endif()
 
-# Sanity check : Check that all submodules are present
-# =======================================================================
-
-function(check_submodules_present)
-    file(READ "${PROJECT_SOURCE_DIR}/.gitmodules" gitmodules)
-    string(REGEX MATCHALL "path *= *[^ \t\r\n]*" gitmodules ${gitmodules})
-    foreach(module ${gitmodules})
-        string(REGEX REPLACE "path *= *" "" module ${module})
-        if (NOT EXISTS "${PROJECT_SOURCE_DIR}/${module}/.git")
-            message(FATAL_ERROR "Git submodule ${module} not found. "
-                    "Please run: git submodule update --init --recursive")
-        endif()
-    endforeach()
-endfunction()
-check_submodules_present()
-
 configure_file(${PROJECT_SOURCE_DIR}/dist/compatibility_list/compatibility_list.qrc
                ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.qrc
                COPYONLY)

CMakeModules/GenerateSCMRev.cmake

@@ -82,6 +82,9 @@ set(HASH_FILES
     "${VIDEO_CORE}/shader/decode/video.cpp"
     "${VIDEO_CORE}/shader/decode/xmad.cpp"
     "${VIDEO_CORE}/shader/decode.cpp"
+    "${VIDEO_CORE}/shader/node.h"
+    "${VIDEO_CORE}/shader/node_helper.cpp"
+    "${VIDEO_CORE}/shader/node_helper.h"
     "${VIDEO_CORE}/shader/shader_ir.cpp"
     "${VIDEO_CORE}/shader/shader_ir.h"
     "${VIDEO_CORE}/shader/track.cpp"

README.md

@@ -7,7 +7,7 @@ yuzu is an experimental open-source emulator for the Nintendo Switch from the cr
 
 It is written in C++ with portability in mind, with builds actively maintained for Windows, Linux and macOS. The emulator is currently only useful for homebrew development and research purposes.
 
-yuzu only emulates a subset of Switch hardware and therefore is generally only useful for running/debugging homebrew applications. At this time, yuzu cannot play any commercial games without major problems. yuzu can boot some games, to varying degrees of success.
+yuzu only emulates a subset of Switch hardware and therefore is generally only useful for running/debugging homebrew applications. yuzu can boot some games, to varying degrees of success.
 
 yuzu is licensed under the GPLv2 (or any later version). Refer to the license.txt file included.
 

externals/glad/include/KHR/khrplatform.h

@@ -90,12 +90,20 @@
  *                                  int arg2) KHRONOS_APIATTRIBUTES;
  */
 
+#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
+#   define KHRONOS_STATIC 1
+#endif
+
 /*-------------------------------------------------------------------------
  * Definition of KHRONOS_APICALL
  *-------------------------------------------------------------------------
  * This precedes the return type of the function in the function prototype.
  */
-#if defined(_WIN32) && !defined(__SCITECH_SNAP__)
+#if defined(KHRONOS_STATIC)
+    /* If the preprocessor constant KHRONOS_STATIC is defined, make the
+     * header compatible with static linking. */
+#   define KHRONOS_APICALL
+#elif defined(_WIN32)
 #   define KHRONOS_APICALL __declspec(dllimport)
 #elif defined (__SYMBIAN32__)
 #   define KHRONOS_APICALL IMPORT_C
@@ -111,7 +119,7 @@
  * This follows the return type of the function  and precedes the function
  * name in the function prototype.
  */
-#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
+#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(KHRONOS_STATIC)
     /* Win32 but not WinCE */
 #   define KHRONOS_APIENTRY __stdcall
 #else

src/audio_core/stream.cpp

@@ -51,17 +51,23 @@ void Stream::Stop() {
     UNIMPLEMENTED();
 }
 
+void Stream::SetVolume(float volume) {
+    game_volume = volume;
+}
+
 Stream::State Stream::GetState() const {
     return state;
 }
 
 s64 Stream::GetBufferReleaseCycles(const Buffer& buffer) const {
     const std::size_t num_samples{buffer.GetSamples().size() / GetNumChannels()};
-    return Core::Timing::usToCycles((static_cast<u64>(num_samples) * 1000000) / sample_rate);
+    const auto us =
+        std::chrono::microseconds((static_cast<u64>(num_samples) * 1000000) / sample_rate);
+    return Core::Timing::usToCycles(us);
 }
 
-static void VolumeAdjustSamples(std::vector<s16>& samples) {
-    const float volume{std::clamp(Settings::values.volume, 0.0f, 1.0f)};
+static void VolumeAdjustSamples(std::vector<s16>& samples, float game_volume) {
+    const float volume{std::clamp(Settings::values.volume - (1.0f - game_volume), 0.0f, 1.0f)};
 
     if (volume == 1.0f) {
         return;
@@ -95,7 +101,7 @@ void Stream::PlayNextBuffer() {
     active_buffer = queued_buffers.front();
     queued_buffers.pop();
 
-    VolumeAdjustSamples(active_buffer->GetSamples());
+    VolumeAdjustSamples(active_buffer->GetSamples(), game_volume);
 
     sink_stream.EnqueueSamples(GetNumChannels(), active_buffer->GetSamples());
 

src/audio_core/stream.h

@@ -61,6 +61,12 @@ public:
     /// Returns a vector of recently released buffers specified by tag
     std::vector<Buffer::Tag> GetTagsAndReleaseBuffers(std::size_t max_count);
 
+    void SetVolume(float volume);
+
+    float GetVolume() const {
+        return game_volume;
+    }
+
     /// Returns true if the stream is currently playing
     bool IsPlaying() const {
         return state == State::Playing;
@@ -94,6 +100,7 @@ private:
 
     u32 sample_rate;                          ///< Sample rate of the stream
     Format format;                            ///< Format of the stream
+    float game_volume = 1.0f;                 ///< The volume the game currently has set
     ReleaseCallback release_callback;         ///< Buffer release callback for the stream
     State state{State::Stopped};              ///< Playback state of the stream
     Core::Timing::EventType* release_event{}; ///< Core timing release event for the stream

src/common/CMakeLists.txt

@@ -56,6 +56,9 @@ add_custom_command(OUTPUT scm_rev.cpp
       "${VIDEO_CORE}/shader/decode/video.cpp"
       "${VIDEO_CORE}/shader/decode/xmad.cpp"
       "${VIDEO_CORE}/shader/decode.cpp"
+      "${VIDEO_CORE}/shader/node.h"
+      "${VIDEO_CORE}/shader/node_helper.cpp"
+      "${VIDEO_CORE}/shader/node_helper.h"
       "${VIDEO_CORE}/shader/shader_ir.cpp"
       "${VIDEO_CORE}/shader/shader_ir.h"
       "${VIDEO_CORE}/shader/track.cpp"
@@ -123,6 +126,8 @@ add_library(common STATIC
     timer.h
     uint128.cpp
     uint128.h
+    uuid.cpp
+    uuid.h
     vector_math.h
     web_result.h
     zstd_compression.cpp

src/common/file_util.cpp

@@ -78,16 +78,17 @@ namespace FileUtil {
 // Remove any ending forward slashes from directory paths
 // Modifies argument.
 static void StripTailDirSlashes(std::string& fname) {
-    if (fname.length() > 1) {
-        std::size_t i = fname.length();
-        while (i > 0 && fname[i - 1] == DIR_SEP_CHR)
-            --i;
-        fname.resize(i);
+    if (fname.length() <= 1) {
+        return;
     }
-    return;
+
+    std::size_t i = fname.length();
+    while (i > 0 && fname[i - 1] == DIR_SEP_CHR) {
+        --i;
+    }
+    fname.resize(i);
 }
 
-// Returns true if file filename exists
 bool Exists(const std::string& filename) {
     struct stat file_info;
 
@@ -107,7 +108,6 @@ bool Exists(const std::string& filename) {
     return (result == 0);
 }
 
-// Returns true if filename is a directory
 bool IsDirectory(const std::string& filename) {
     struct stat file_info;
 
@@ -132,8 +132,6 @@ bool IsDirectory(const std::string& filename) {
     return S_ISDIR(file_info.st_mode);
 }
 
-// Deletes a given filename, return true on success
-// Doesn't supports deleting a directory
 bool Delete(const std::string& filename) {
     LOG_TRACE(Common_Filesystem, "file {}", filename);
 
@@ -165,7 +163,6 @@ bool Delete(const std::string& filename) {
     return true;
 }
 
-// Returns true if successful, or path already exists.
 bool CreateDir(const std::string& path) {
     LOG_TRACE(Common_Filesystem, "directory {}", path);
 #ifdef _WIN32
@@ -194,7 +191,6 @@ bool CreateDir(const std::string& path) {
 #endif
 }
 
-// Creates the full path of fullPath returns true on success
 bool CreateFullPath(const std::string& fullPath) {
     int panicCounter = 100;
     LOG_TRACE(Common_Filesystem, "path {}", fullPath);
@@ -230,7 +226,6 @@ bool CreateFullPath(const std::string& fullPath) {
     }
 }
 
-// Deletes a directory filename, returns true on success
 bool DeleteDir(const std::string& filename) {
     LOG_TRACE(Common_Filesystem, "directory {}", filename);
 
@@ -252,7 +247,6 @@ bool DeleteDir(const std::string& filename) {
     return false;
 }
 
-// renames file srcFilename to destFilename, returns true on success
 bool Rename(const std::string& srcFilename, const std::string& destFilename) {
     LOG_TRACE(Common_Filesystem, "{} --> {}", srcFilename, destFilename);
 #ifdef _WIN32
@@ -268,7 +262,6 @@ bool Rename(const std::string& srcFilename, const std::string& destFilename) {
     return false;
 }
 
-// copies file srcFilename to destFilename, returns true on success
 bool Copy(const std::string& srcFilename, const std::string& destFilename) {
     LOG_TRACE(Common_Filesystem, "{} --> {}", srcFilename, destFilename);
 #ifdef _WIN32
@@ -324,7 +317,6 @@ bool Copy(const std::string& srcFilename, const std::string& destFilename) {
 #endif
 }
 
-// Returns the size of filename (64bit)
 u64 GetSize(const std::string& filename) {
     if (!Exists(filename)) {
         LOG_ERROR(Common_Filesystem, "failed {}: No such file", filename);
@@ -351,7 +343,6 @@ u64 GetSize(const std::string& filename) {
     return 0;
 }
 
-// Overloaded GetSize, accepts file descriptor
 u64 GetSize(const int fd) {
     struct stat buf;
     if (fstat(fd, &buf) != 0) {
@@ -361,7 +352,6 @@ u64 GetSize(const int fd) {
     return buf.st_size;
 }
 
-// Overloaded GetSize, accepts FILE*
 u64 GetSize(FILE* f) {
     // can't use off_t here because it can be 32-bit
     u64 pos = ftello(f);
@@ -377,7 +367,6 @@ u64 GetSize(FILE* f) {
     return size;
 }
 
-// creates an empty file filename, returns true on success
 bool CreateEmptyFile(const std::string& filename) {
     LOG_TRACE(Common_Filesystem, "{}", filename);
 
@@ -502,7 +491,6 @@ bool DeleteDirRecursively(const std::string& directory, unsigned int recursion)
     return true;
 }
 
-// Create directory and copy contents (does not overwrite existing files)
 void CopyDir(const std::string& source_path, const std::string& dest_path) {
 #ifndef _WIN32
     if (source_path == dest_path)
@@ -539,8 +527,7 @@ void CopyDir(const std::string& source_path, const std::string& dest_path) {
 #endif
 }
 
-// Returns the current directory
-std::string GetCurrentDir() {
+std::optional<std::string> GetCurrentDir() {
 // Get the current working directory (getcwd uses malloc)
 #ifdef _WIN32
     wchar_t* dir;
@@ -550,7 +537,7 @@ std::string GetCurrentDir() {
     if (!(dir = getcwd(nullptr, 0))) {
 #endif
         LOG_ERROR(Common_Filesystem, "GetCurrentDirectory failed: {}", GetLastErrorMsg());
-        return nullptr;
+        return {};
     }
 #ifdef _WIN32
     std::string strDir = Common::UTF16ToUTF8(dir);
@@ -561,7 +548,6 @@ std::string GetCurrentDir() {
     return strDir;
 }
 
-// Sets the current directory to the given directory
 bool SetCurrentDir(const std::string& directory) {
 #ifdef _WIN32
     return _wchdir(Common::UTF8ToUTF16W(directory).c_str()) == 0;
@@ -673,8 +659,6 @@ std::string GetSysDirectory() {
     return sysDir;
 }
 
-// Returns a string with a yuzu data dir or file in the user's home
-// directory. To be used in "multi-user" mode (that is, installed).
 const std::string& GetUserPath(UserPath path, const std::string& new_path) {
     static std::unordered_map<UserPath, std::string> paths;
     auto& user_path = paths[UserPath::UserDir];
@@ -762,11 +746,11 @@ std::string GetNANDRegistrationDir(bool system) {
     return GetUserPath(UserPath::NANDDir) + "user/Contents/registered/";
 }
 
-std::size_t WriteStringToFile(bool text_file, const std::string& str, const char* filename) {
-    return FileUtil::IOFile(filename, text_file ? "w" : "wb").WriteBytes(str.data(), str.size());
+std::size_t WriteStringToFile(bool text_file, const std::string& filename, std::string_view str) {
+    return IOFile(filename, text_file ? "w" : "wb").WriteString(str);
 }
 
-std::size_t ReadFileToString(bool text_file, const char* filename, std::string& str) {
+std::size_t ReadFileToString(bool text_file, const std::string& filename, std::string& str) {
     IOFile file(filename, text_file ? "r" : "rb");
 
     if (!file.IsOpen())
@@ -776,13 +760,6 @@ std::size_t ReadFileToString(bool text_file, const char* filename, std::string&
     return file.ReadArray(&str[0], str.size());
 }
 
-/**
- * Splits the filename into 8.3 format
- * Loosely implemented following https://en.wikipedia.org/wiki/8.3_filename
- * @param filename The normal filename to use
- * @param short_name A 9-char array in which the short name will be written
- * @param extension A 4-char array in which the extension will be written
- */
 void SplitFilename83(const std::string& filename, std::array<char, 9>& short_name,
                      std::array<char, 4>& extension) {
     const std::string forbidden_characters = ".\"/\\[]:;=, ";

src/common/file_util.h

@@ -9,6 +9,7 @@
 #include <fstream>
 #include <functional>
 #include <limits>
+#include <optional>
 #include <string>
 #include <string_view>
 #include <type_traits>
@@ -118,7 +119,7 @@ u64 ScanDirectoryTree(const std::string& directory, FSTEntry& parent_entry,
 bool DeleteDirRecursively(const std::string& directory, unsigned int recursion = 256);
 
 // Returns the current directory
-std::string GetCurrentDir();
+std::optional<std::string> GetCurrentDir();
 
 // Create directory and copy contents (does not overwrite existing files)
 void CopyDir(const std::string& source_path, const std::string& dest_path);
@@ -146,9 +147,9 @@ const std::string& GetExeDirectory();
 std::string AppDataRoamingDirectory();
 #endif
 
-std::size_t WriteStringToFile(bool text_file, const std::string& str, const char* filename);
+std::size_t WriteStringToFile(bool text_file, const std::string& filename, std::string_view str);
 
-std::size_t ReadFileToString(bool text_file, const char* filename, std::string& str);
+std::size_t ReadFileToString(bool text_file, const std::string& filename, std::string& str);
 
 /**
  * Splits the filename into 8.3 format
@@ -257,8 +258,8 @@ public:
         return WriteArray(&object, 1);
     }
 
-    std::size_t WriteString(const std::string& str) {
-        return WriteArray(str.c_str(), str.length());
+    std::size_t WriteString(std::string_view str) {
+        return WriteArray(str.data(), str.length());
     }
 
     bool IsOpen() const {
@@ -286,8 +287,8 @@ private:
 template <typename T>
 void OpenFStream(T& fstream, const std::string& filename, std::ios_base::openmode openmode) {
 #ifdef _MSC_VER
-    fstream.open(Common::UTF8ToUTF16W(filename).c_str(), openmode);
+    fstream.open(Common::UTF8ToUTF16W(filename), openmode);
 #else
-    fstream.open(filename.c_str(), openmode);
+    fstream.open(filename, openmode);
 #endif
 }

src/common/hex_util.cpp

@@ -30,13 +30,6 @@ std::vector<u8> HexStringToVector(std::string_view str, bool little_endian) {
     return out;
 }
 
-std::string HexVectorToString(const std::vector<u8>& vector, bool upper) {
-    std::string out;
-    for (u8 c : vector)
-        out += fmt::format(upper ? "{:02X}" : "{:02x}", c);
-    return out;
-}
-
 std::array<u8, 16> operator""_array16(const char* str, std::size_t len) {
     if (len != 32) {
         LOG_ERROR(Common,

src/common/hex_util.h

@@ -7,6 +7,7 @@
 #include <array>
 #include <cstddef>
 #include <string>
+#include <type_traits>
 #include <vector>
 #include <fmt/format.h>
 #include "common/common_types.h"
@@ -30,13 +31,20 @@ std::array<u8, Size> HexStringToArray(std::string_view str) {
     return out;
 }
 
-std::string HexVectorToString(const std::vector<u8>& vector, bool upper = true);
+template <typename ContiguousContainer>
+std::string HexToString(const ContiguousContainer& data, bool upper = true) {
+    static_assert(std::is_same_v<typename ContiguousContainer::value_type, u8>,
+                  "Underlying type within the contiguous container must be u8.");
+
+    constexpr std::size_t pad_width = 2;
 
-template <std::size_t Size>
-std::string HexArrayToString(std::array<u8, Size> array, bool upper = true) {
     std::string out;
-    for (u8 c : array)
+    out.reserve(std::size(data) * pad_width);
+
+    for (const u8 c : data) {
         out += fmt::format(upper ? "{:02X}" : "{:02x}", c);
+    }
+
     return out;
 }
 

src/common/math_util.h

@@ -41,4 +41,7 @@ struct Rectangle {
     }
 };
 
+template <typename T>
+Rectangle(T, T, T, T)->Rectangle<T>;
+
 } // namespace Common

src/common/uuid.cpp

@@ -0,0 +1,33 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <random>
+
+#include <fmt/format.h>
+
+#include "common/uuid.h"
+
+namespace Common {
+
+UUID UUID::Generate() {
+    std::random_device device;
+    std::mt19937 gen(device());
+    std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
+    return UUID{distribution(gen), distribution(gen)};
+}
+
+std::string UUID::Format() const {
+    return fmt::format("0x{:016X}{:016X}", uuid[1], uuid[0]);
+}
+
+std::string UUID::FormatSwitch() const {
+    std::array<u8, 16> s{};
+    std::memcpy(s.data(), uuid.data(), sizeof(u128));
+    return fmt::format("{:02x}{:02x}{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{"
+                       ":02x}{:02x}{:02x}{:02x}{:02x}",
+                       s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], s[8], s[9], s[10], s[11],
+                       s[12], s[13], s[14], s[15]);
+}
+
+} // namespace Common

src/common/uuid.h

@@ -0,0 +1,48 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <string>
+
+#include "common/common_types.h"
+
+namespace Common {
+
+constexpr u128 INVALID_UUID{{0, 0}};
+
+struct UUID {
+    // UUIDs which are 0 are considered invalid!
+    u128 uuid = INVALID_UUID;
+    constexpr UUID() = default;
+    constexpr explicit UUID(const u128& id) : uuid{id} {}
+    constexpr explicit UUID(const u64 lo, const u64 hi) : uuid{{lo, hi}} {}
+
+    constexpr explicit operator bool() const {
+        return uuid[0] != INVALID_UUID[0] && uuid[1] != INVALID_UUID[1];
+    }
+
+    constexpr bool operator==(const UUID& rhs) const {
+        // TODO(DarkLordZach): Replace with uuid == rhs.uuid with C++20
+        return uuid[0] == rhs.uuid[0] && uuid[1] == rhs.uuid[1];
+    }
+
+    constexpr bool operator!=(const UUID& rhs) const {
+        return !operator==(rhs);
+    }
+
+    // TODO(ogniK): Properly generate uuids based on RFC-4122
+    static UUID Generate();
+
+    // Set the UUID to {0,0} to be considered an invalid user
+    constexpr void Invalidate() {
+        uuid = INVALID_UUID;
+    }
+
+    std::string Format() const;
+    std::string FormatSwitch() const;
+};
+static_assert(sizeof(UUID) == 16, "UUID is an invalid size!");
+
+} // namespace Common

src/core/CMakeLists.txt

@@ -5,6 +5,8 @@ add_library(core STATIC
     arm/exclusive_monitor.h
     arm/unicorn/arm_unicorn.cpp
     arm/unicorn/arm_unicorn.h
+    constants.cpp
+    constants.h
     core.cpp
     core.h
     core_cpu.cpp
@@ -310,6 +312,8 @@ add_library(core STATIC
     hle/service/mig/mig.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/mm/mm_u.cpp
     hle/service/mm/mm_u.h
     hle/service/ncm/ncm.cpp
@@ -326,6 +330,9 @@ add_library(core STATIC
     hle/service/nim/nim.h
     hle/service/npns/npns.cpp
     hle/service/npns/npns.h
+    hle/service/ns/errors.h
+    hle/service/ns/language.cpp
+    hle/service/ns/language.h
     hle/service/ns/ns.cpp
     hle/service/ns/ns.h
     hle/service/ns/pl_u.cpp
@@ -456,9 +463,8 @@ add_library(core STATIC
     settings.h
     telemetry_session.cpp
     telemetry_session.h
-    tracer/citrace.h
-    tracer/recorder.cpp
-    tracer/recorder.h
+    tools/freezer.cpp
+    tools/freezer.h
 )
 
 create_target_directory_groups(core)

src/core/constants.cpp

@@ -0,0 +1,17 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/constants.h"
+
+namespace Core::Constants {
+const std::array<u8, 107> ACCOUNT_BACKUP_JPEG{{
+    0xff, 0xd8, 0xff, 0xdb, 0x00, 0x43, 0x00, 0x03, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x02, 0x02,
+    0x02, 0x03, 0x03, 0x03, 0x03, 0x04, 0x06, 0x04, 0x04, 0x04, 0x04, 0x04, 0x08, 0x06, 0x06, 0x05,
+    0x06, 0x09, 0x08, 0x0a, 0x0a, 0x09, 0x08, 0x09, 0x09, 0x0a, 0x0c, 0x0f, 0x0c, 0x0a, 0x0b, 0x0e,
+    0x0b, 0x09, 0x09, 0x0d, 0x11, 0x0d, 0x0e, 0x0f, 0x10, 0x10, 0x11, 0x10, 0x0a, 0x0c, 0x12, 0x13,
+    0x12, 0x10, 0x13, 0x0f, 0x10, 0x10, 0x10, 0xff, 0xc9, 0x00, 0x0b, 0x08, 0x00, 0x01, 0x00, 0x01,
+    0x01, 0x01, 0x11, 0x00, 0xff, 0xcc, 0x00, 0x06, 0x00, 0x10, 0x10, 0x05, 0xff, 0xda, 0x00, 0x08,
+    0x01, 0x01, 0x00, 0x00, 0x3f, 0x00, 0xd2, 0xcf, 0x20, 0xff, 0xd9,
+}};
+}

src/core/constants.h

@@ -0,0 +1,17 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+// This is to consolidate system-wide constants that are used by multiple components of yuzu.
+// This is especially to prevent the case of something in frontend duplicating a constexpr array or
+// directly including some service header for the sole purpose of data.
+namespace Core::Constants {
+
+// ACC Service - Blank JPEG used as user icon in absentia of real one.
+extern const std::array<u8, 107> ACCOUNT_BACKUP_JPEG;
+
+} // namespace Core::Constants

src/core/core.cpp

@@ -18,11 +18,6 @@
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_real.h"
-#include "core/frontend/applets/error.h"
-#include "core/frontend/applets/general_frontend.h"
-#include "core/frontend/applets/profile_select.h"
-#include "core/frontend/applets/software_keyboard.h"
-#include "core/frontend/applets/web_browser.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/kernel.h"
@@ -36,10 +31,8 @@
 #include "core/perf_stats.h"
 #include "core/settings.h"
 #include "core/telemetry_session.h"
+#include "core/tools/freezer.h"
 #include "file_sys/cheat_engine.h"
-#include "frontend/applets/profile_select.h"
-#include "frontend/applets/software_keyboard.h"
-#include "frontend/applets/web_browser.h"
 #include "video_core/debug_utils/debug_utils.h"
 #include "video_core/renderer_base.h"
 #include "video_core/video_core.h"
@@ -144,20 +137,10 @@ struct System::Impl {
     ResultStatus Load(System& system, Frontend::EmuWindow& emu_window,
                       const std::string& filepath) {
         app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
-
         if (!app_loader) {
             LOG_CRITICAL(Core, "Failed to obtain loader for {}!", filepath);
             return ResultStatus::ErrorGetLoader;
         }
-        std::pair<std::optional<u32>, Loader::ResultStatus> system_mode =
-            app_loader->LoadKernelSystemMode();
-
-        if (system_mode.second != Loader::ResultStatus::Success) {
-            LOG_CRITICAL(Core, "Failed to determine system mode (Error {})!",
-                         static_cast<int>(system_mode.second));
-
-            return ResultStatus::ErrorSystemMode;
-        }
 
         ResultStatus init_result{Init(system, emu_window)};
         if (init_result != ResultStatus::Success) {
@@ -167,6 +150,7 @@ struct System::Impl {
             return init_result;
         }
 
+        telemetry_session->AddInitialInfo(*app_loader);
         auto main_process = Kernel::Process::Create(system, "main");
         const auto [load_result, load_parameters] = app_loader->Load(*main_process);
         if (load_result != Loader::ResultStatus::Success) {
@@ -260,6 +244,7 @@ struct System::Impl {
     bool is_powered_on = false;
 
     std::unique_ptr<FileSys::CheatEngine> cheat_engine;
+    std::unique_ptr<Tools::Freezer> memory_freezer;
 
     /// Frontend applets
     Service::AM::Applets::AppletManager applet_manager;

src/core/core.h

@@ -98,7 +98,6 @@ public:
         Success,             ///< Succeeded
         ErrorNotInitialized, ///< Error trying to use core prior to initialization
         ErrorGetLoader,      ///< Error finding the correct application loader
-        ErrorSystemMode,     ///< Error determining the system mode
         ErrorSystemFiles,    ///< Error in finding system files
         ErrorSharedFont,     ///< Error in finding shared font
         ErrorVideoCore,      ///< Error in the video core

src/core/core_timing_util.cpp

@@ -13,52 +13,40 @@ namespace Core::Timing {
 
 constexpr u64 MAX_VALUE_TO_MULTIPLY = std::numeric_limits<s64>::max() / BASE_CLOCK_RATE;
 
-s64 usToCycles(s64 us) {
-    if (us / 1000000 > MAX_VALUE_TO_MULTIPLY) {
+s64 msToCycles(std::chrono::milliseconds ms) {
+    if (static_cast<u64>(ms.count() / 1000) > MAX_VALUE_TO_MULTIPLY) {
         LOG_ERROR(Core_Timing, "Integer overflow, use max value");
         return std::numeric_limits<s64>::max();
     }
-    if (us > MAX_VALUE_TO_MULTIPLY) {
+    if (static_cast<u64>(ms.count()) > MAX_VALUE_TO_MULTIPLY) {
         LOG_DEBUG(Core_Timing, "Time very big, do rounding");
-        return BASE_CLOCK_RATE * (us / 1000000);
+        return BASE_CLOCK_RATE * (ms.count() / 1000);
     }
-    return (BASE_CLOCK_RATE * us) / 1000000;
+    return (BASE_CLOCK_RATE * ms.count()) / 1000;
 }
 
-s64 usToCycles(u64 us) {
-    if (us / 1000000 > MAX_VALUE_TO_MULTIPLY) {
+s64 usToCycles(std::chrono::microseconds us) {
+    if (static_cast<u64>(us.count() / 1000000) > MAX_VALUE_TO_MULTIPLY) {
         LOG_ERROR(Core_Timing, "Integer overflow, use max value");
         return std::numeric_limits<s64>::max();
     }
-    if (us > MAX_VALUE_TO_MULTIPLY) {
+    if (static_cast<u64>(us.count()) > MAX_VALUE_TO_MULTIPLY) {
         LOG_DEBUG(Core_Timing, "Time very big, do rounding");
-        return BASE_CLOCK_RATE * static_cast<s64>(us / 1000000);
+        return BASE_CLOCK_RATE * (us.count() / 1000000);
     }
-    return (BASE_CLOCK_RATE * static_cast<s64>(us)) / 1000000;
+    return (BASE_CLOCK_RATE * us.count()) / 1000000;
 }
 
-s64 nsToCycles(s64 ns) {
-    if (ns / 1000000000 > MAX_VALUE_TO_MULTIPLY) {
+s64 nsToCycles(std::chrono::nanoseconds ns) {
+    if (static_cast<u64>(ns.count() / 1000000000) > MAX_VALUE_TO_MULTIPLY) {
         LOG_ERROR(Core_Timing, "Integer overflow, use max value");
         return std::numeric_limits<s64>::max();
     }
-    if (ns > MAX_VALUE_TO_MULTIPLY) {
+    if (static_cast<u64>(ns.count()) > MAX_VALUE_TO_MULTIPLY) {
         LOG_DEBUG(Core_Timing, "Time very big, do rounding");
-        return BASE_CLOCK_RATE * (ns / 1000000000);
+        return BASE_CLOCK_RATE * (ns.count() / 1000000000);
     }
-    return (BASE_CLOCK_RATE * ns) / 1000000000;
-}
-
-s64 nsToCycles(u64 ns) {
-    if (ns / 1000000000 > MAX_VALUE_TO_MULTIPLY) {
-        LOG_ERROR(Core_Timing, "Integer overflow, use max value");
-        return std::numeric_limits<s64>::max();
-    }
-    if (ns > MAX_VALUE_TO_MULTIPLY) {
-        LOG_DEBUG(Core_Timing, "Time very big, do rounding");
-        return BASE_CLOCK_RATE * (static_cast<s64>(ns) / 1000000000);
-    }
-    return (BASE_CLOCK_RATE * static_cast<s64>(ns)) / 1000000000;
+    return (BASE_CLOCK_RATE * ns.count()) / 1000000000;
 }
 
 u64 CpuCyclesToClockCycles(u64 ticks) {

src/core/core_timing_util.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <chrono>
 #include "common/common_types.h"
 
 namespace Core::Timing {
@@ -13,53 +14,20 @@ namespace Core::Timing {
 constexpr u64 BASE_CLOCK_RATE = 1019215872; // Switch clock speed is 1020MHz un/docked
 constexpr u64 CNTFREQ = 19200000;           // Value from fusee.
 
-inline s64 msToCycles(int ms) {
-    // since ms is int there is no way to overflow
-    return BASE_CLOCK_RATE * static_cast<s64>(ms) / 1000;
+s64 msToCycles(std::chrono::milliseconds ms);
+s64 usToCycles(std::chrono::microseconds us);
+s64 nsToCycles(std::chrono::nanoseconds ns);
+
+inline std::chrono::milliseconds CyclesToMs(s64 cycles) {
+    return std::chrono::milliseconds(cycles * 1000 / BASE_CLOCK_RATE);
 }
 
-inline s64 msToCycles(float ms) {
-    return static_cast<s64>(BASE_CLOCK_RATE * (0.001f) * ms);
+inline std::chrono::nanoseconds CyclesToNs(s64 cycles) {
+    return std::chrono::nanoseconds(cycles * 1000000000 / BASE_CLOCK_RATE);
 }
 
-inline s64 msToCycles(double ms) {
-    return static_cast<s64>(BASE_CLOCK_RATE * (0.001) * ms);
-}
-
-inline s64 usToCycles(float us) {
-    return static_cast<s64>(BASE_CLOCK_RATE * (0.000001f) * us);
-}
-
-inline s64 usToCycles(int us) {
-    return (BASE_CLOCK_RATE * static_cast<s64>(us) / 1000000);
-}
-
-s64 usToCycles(s64 us);
-
-s64 usToCycles(u64 us);
-
-inline s64 nsToCycles(float ns) {
-    return static_cast<s64>(BASE_CLOCK_RATE * (0.000000001f) * ns);
-}
-
-inline s64 nsToCycles(int ns) {
-    return BASE_CLOCK_RATE * static_cast<s64>(ns) / 1000000000;
-}
-
-s64 nsToCycles(s64 ns);
-
-s64 nsToCycles(u64 ns);
-
-inline u64 cyclesToNs(s64 cycles) {
-    return cycles * 1000000000 / BASE_CLOCK_RATE;
-}
-
-inline s64 cyclesToUs(s64 cycles) {
-    return cycles * 1000000 / BASE_CLOCK_RATE;
-}
-
-inline u64 cyclesToMs(s64 cycles) {
-    return cycles * 1000 / BASE_CLOCK_RATE;
+inline std::chrono::microseconds CyclesToUs(s64 cycles) {
+    return std::chrono::microseconds(cycles * 1000000 / BASE_CLOCK_RATE);
 }
 
 u64 CpuCyclesToClockCycles(u64 ticks);

src/core/crypto/key_manager.cpp

@@ -572,7 +572,7 @@ void KeyManager::WriteKeyToFile(KeyCategory category, std::string_view keyname,
             << "# If you are experiencing issues involving keys, it may help to delete this file\n";
     }
 
-    file << fmt::format("\n{} = {}", keyname, Common::HexArrayToString(key));
+    file << fmt::format("\n{} = {}", keyname, Common::HexToString(key));
     AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, filename, category == KeyCategory::Title);
 }
 
@@ -583,7 +583,7 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
         Key128 rights_id;
         std::memcpy(rights_id.data(), &field2, sizeof(u64));
         std::memcpy(rights_id.data() + sizeof(u64), &field1, sizeof(u64));
-        WriteKeyToFile(KeyCategory::Title, Common::HexArrayToString(rights_id), key);
+        WriteKeyToFile(KeyCategory::Title, Common::HexToString(rights_id), key);
     }
 
     auto category = KeyCategory::Standard;

src/core/file_sys/card_image.cpp

@@ -18,11 +18,16 @@
 
 namespace FileSys {
 
-constexpr std::array<const char*, 0x4> partition_names = {"update", "normal", "secure", "logo"};
+constexpr std::array partition_names{
+    "update",
+    "normal",
+    "secure",
+    "logo",
+};
 
 XCI::XCI(VirtualFile file_)
     : file(std::move(file_)), program_nca_status{Loader::ResultStatus::ErrorXCIMissingProgramNCA},
-      partitions(0x4) {
+      partitions(partition_names.size()) {
     if (file->ReadObject(&header) != sizeof(GamecardHeader)) {
         status = Loader::ResultStatus::ErrorBadXCIHeader;
         return;
@@ -43,23 +48,24 @@ XCI::XCI(VirtualFile file_)
 
     for (XCIPartition partition :
          {XCIPartition::Update, XCIPartition::Normal, XCIPartition::Secure, XCIPartition::Logo}) {
-        auto raw = main_hfs.GetFile(partition_names[static_cast<std::size_t>(partition)]);
-        if (raw != nullptr)
-            partitions[static_cast<std::size_t>(partition)] =
-                std::make_shared<PartitionFilesystem>(raw);
+        const auto partition_idx = static_cast<std::size_t>(partition);
+        auto raw = main_hfs.GetFile(partition_names[partition_idx]);
+
+        if (raw != nullptr) {
+            partitions[partition_idx] = std::make_shared<PartitionFilesystem>(std::move(raw));
+        }
     }
 
     secure_partition = std::make_shared<NSP>(
         main_hfs.GetFile(partition_names[static_cast<std::size_t>(XCIPartition::Secure)]));
 
-    const auto secure_ncas = secure_partition->GetNCAsCollapsed();
-    std::copy(secure_ncas.begin(), secure_ncas.end(), std::back_inserter(ncas));
-
+    ncas = secure_partition->GetNCAsCollapsed();
     program =
         secure_partition->GetNCA(secure_partition->GetProgramTitleID(), ContentRecordType::Program);
     program_nca_status = secure_partition->GetProgramStatus(secure_partition->GetProgramTitleID());
-    if (program_nca_status == Loader::ResultStatus::ErrorNSPMissingProgramNCA)
+    if (program_nca_status == Loader::ResultStatus::ErrorNSPMissingProgramNCA) {
         program_nca_status = Loader::ResultStatus::ErrorXCIMissingProgramNCA;
+    }
 
     auto result = AddNCAFromPartition(XCIPartition::Update);
     if (result != Loader::ResultStatus::Success) {
@@ -147,8 +153,9 @@ std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const {
 
 VirtualFile XCI::GetNCAFileByType(NCAContentType type) const {
     auto nca = GetNCAByType(type);
-    if (nca != nullptr)
+    if (nca != nullptr) {
         return nca->GetBaseFile();
+    }
     return nullptr;
 }
 
@@ -169,17 +176,22 @@ VirtualDir XCI::GetParentDirectory() const {
 }
 
 Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) {
-    if (partitions[static_cast<std::size_t>(part)] == nullptr) {
+    const auto partition_index = static_cast<std::size_t>(part);
+    const auto& partition = partitions[partition_index];
+
+    if (partition == nullptr) {
         return Loader::ResultStatus::ErrorXCIMissingPartition;
     }
 
-    for (const VirtualFile& file : partitions[static_cast<std::size_t>(part)]->GetFiles()) {
-        if (file->GetExtension() != "nca")
+    for (const VirtualFile& file : partition->GetFiles()) {
+        if (file->GetExtension() != "nca") {
             continue;
+        }
+
         auto nca = std::make_shared<NCA>(file, nullptr, 0, keys);
-        // TODO(DarkLordZach): Add proper Rev1+ Support
-        if (nca->IsUpdate())
+        if (nca->IsUpdate()) {
             continue;
+        }
         if (nca->GetType() == NCAContentType::Program) {
             program_nca_status = nca->GetStatus();
         }
@@ -188,7 +200,7 @@ Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) {
         } else {
             const u16 error_id = static_cast<u16>(nca->GetStatus());
             LOG_CRITICAL(Loader, "Could not load NCA {}/{}, failed with error code {:04X} ({})",
-                         partition_names[static_cast<std::size_t>(part)], nca->GetName(), error_id,
+                         partition_names[partition_index], nca->GetName(), error_id,
                          nca->GetStatus());
         }
     }

src/core/file_sys/content_archive.cpp

@@ -452,13 +452,13 @@ VirtualFile NCA::Decrypt(const NCASectionHeader& s_header, VirtualFile in, u64 s
 
     switch (s_header.raw.header.crypto_type) {
     case NCASectionCryptoType::NONE:
-        LOG_DEBUG(Crypto, "called with mode=NONE");
+        LOG_TRACE(Crypto, "called with mode=NONE");
         return in;
     case NCASectionCryptoType::CTR:
     // During normal BKTR decryption, this entire function is skipped. This is for the metadata,
     // which uses the same CTR as usual.
     case NCASectionCryptoType::BKTR:
-        LOG_DEBUG(Crypto, "called with mode=CTR, starting_offset={:016X}", starting_offset);
+        LOG_TRACE(Crypto, "called with mode=CTR, starting_offset={:016X}", starting_offset);
         {
             std::optional<Core::Crypto::Key128> key = {};
             if (has_rights_id) {

src/core/file_sys/control_metadata.cpp

@@ -87,6 +87,14 @@ u64 NACP::GetDefaultJournalSaveSize() const {
     return raw.user_account_save_data_journal_size;
 }
 
+bool NACP::GetUserAccountSwitchLock() const {
+    return raw.user_account_switch_lock != 0;
+}
+
+u32 NACP::GetSupportedLanguages() const {
+    return raw.supported_languages;
+}
+
 std::vector<u8> NACP::GetRawBytes() const {
     std::vector<u8> out(sizeof(RawNACP));
     std::memcpy(out.data(), &raw, sizeof(RawNACP));

src/core/file_sys/control_metadata.h

@@ -30,7 +30,8 @@ struct RawNACP {
     std::array<LanguageEntry, 16> language_entries;
     std::array<u8, 0x25> isbn;
     u8 startup_user_account;
-    INSERT_PADDING_BYTES(2);
+    u8 user_account_switch_lock;
+    u8 addon_content_registration_type;
     u32_le application_attribute;
     u32_le supported_languages;
     u32_le parental_control;
@@ -109,7 +110,9 @@ public:
     std::string GetVersionString() const;
     u64 GetDefaultNormalSaveSize() const;
     u64 GetDefaultJournalSaveSize() const;
+    u32 GetSupportedLanguages() const;
     std::vector<u8> GetRawBytes() const;
+    bool GetUserAccountSwitchLock() const;
 
 private:
     RawNACP raw{};

src/core/file_sys/ips_layer.cpp

@@ -287,7 +287,6 @@ void IPSwitchCompiler::Parse() {
                 } else {
                     // hex replacement
                     const auto value = patch_line.substr(9);
-                    replace.reserve(value.size() / 2);
                     replace = Common::HexStringToVector(value, is_little_endian);
                 }
 
@@ -295,7 +294,7 @@ void IPSwitchCompiler::Parse() {
                     LOG_INFO(Loader,
                              "[IPSwitchCompiler ('{}')]     - Patching value at offset 0x{:08X} "
                              "with byte string '{}'",
-                             patch_text->GetName(), offset, Common::HexVectorToString(replace));
+                             patch_text->GetName(), offset, Common::HexToString(replace));
                 }
 
                 patch.records.insert_or_assign(offset, std::move(replace));

src/core/file_sys/nca_metadata.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <array>
 #include <memory>
 #include <vector>
 #include "common/common_funcs.h"
@@ -69,11 +70,15 @@ struct CNMTHeader {
     u64_le title_id;
     u32_le title_version;
     TitleType type;
-    INSERT_PADDING_BYTES(1);
+    u8 reserved;
     u16_le table_offset;
     u16_le number_content_entries;
     u16_le number_meta_entries;
-    INSERT_PADDING_BYTES(12);
+    u8 attributes;
+    std::array<u8, 2> reserved2;
+    u8 is_committed;
+    u32_le required_download_system_version;
+    std::array<u8, 4> reserved3;
 };
 static_assert(sizeof(CNMTHeader) == 0x20, "CNMTHeader has incorrect size.");
 

src/core/file_sys/patch_manager.cpp

@@ -142,7 +142,7 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
                     if (!compiler.IsValid())
                         continue;
 
-                    auto this_build_id = Common::HexArrayToString(compiler.GetBuildID());
+                    auto this_build_id = Common::HexToString(compiler.GetBuildID());
                     this_build_id =
                         this_build_id.substr(0, this_build_id.find_last_not_of('0') + 1);
 
@@ -168,7 +168,7 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st
         return nso;
     }
 
-    const auto build_id_raw = Common::HexArrayToString(header.build_id);
+    const auto build_id_raw = Common::HexToString(header.build_id);
     const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
 
     if (Settings::values.dump_nso) {
@@ -219,7 +219,7 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st
 }
 
 bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
-    const auto build_id_raw = Common::HexArrayToString(build_id_);
+    const auto build_id_raw = Common::HexToString(build_id_);
     const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
 
     LOG_INFO(Loader, "Querying NSO patch existence for build_id={}", build_id);
@@ -235,7 +235,7 @@ bool PatchManager::HasNSOPatch(const std::array<u8, 32>& build_id_) const {
 static std::optional<CheatList> ReadCheatFileFromFolder(const Core::System& system, u64 title_id,
                                                         const std::array<u8, 0x20>& build_id_,
                                                         const VirtualDir& base_path, bool upper) {
-    const auto build_id_raw = Common::HexArrayToString(build_id_, upper);
+    const auto build_id_raw = Common::HexToString(build_id_, upper);
     const auto build_id = build_id_raw.substr(0, sizeof(u64) * 2);
     const auto file = base_path->GetFile(fmt::format("{}.txt", build_id));
 

src/core/file_sys/registered_cache.cpp

@@ -53,13 +53,14 @@ static bool FollowsNcaIdFormat(std::string_view name) {
 
 static std::string GetRelativePathFromNcaID(const std::array<u8, 16>& nca_id, bool second_hex_upper,
                                             bool within_two_digit) {
-    if (!within_two_digit)
-        return fmt::format("/{}.nca", Common::HexArrayToString(nca_id, second_hex_upper));
+    if (!within_two_digit) {
+        return fmt::format("/{}.nca", Common::HexToString(nca_id, second_hex_upper));
+    }
 
     Core::Crypto::SHA256Hash hash{};
     mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0);
     return fmt::format("/000000{:02X}/{}.nca", hash[0],
-                       Common::HexArrayToString(nca_id, second_hex_upper));
+                       Common::HexToString(nca_id, second_hex_upper));
 }
 
 static std::string GetCNMTName(TitleType type, u64 title_id) {
@@ -376,10 +377,11 @@ std::vector<ContentProviderEntry> RegisteredCache::ListEntriesFilter(
 }
 
 static std::shared_ptr<NCA> GetNCAFromNSPForID(const NSP& nsp, const NcaID& id) {
-    const auto file = nsp.GetFile(fmt::format("{}.nca", Common::HexArrayToString(id, false)));
-    if (file == nullptr)
+    auto file = nsp.GetFile(fmt::format("{}.nca", Common::HexToString(id, false)));
+    if (file == nullptr) {
         return nullptr;
-    return std::make_shared<NCA>(file);
+    }
+    return std::make_shared<NCA>(std::move(file));
 }
 
 InstallResult RegisteredCache::InstallEntry(const XCI& xci, bool overwrite_if_exists,

src/core/file_sys/submission_package.cpp

@@ -235,16 +235,18 @@ void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
         const auto section0 = nca->GetSubdirectories()[0];
 
         for (const auto& inner_file : section0->GetFiles()) {
-            if (inner_file->GetExtension() != "cnmt")
+            if (inner_file->GetExtension() != "cnmt") {
                 continue;
+            }
 
             const CNMT cnmt(inner_file);
             auto& ncas_title = ncas[cnmt.GetTitleID()];
 
             ncas_title[{cnmt.GetType(), ContentRecordType::Meta}] = nca;
             for (const auto& rec : cnmt.GetContentRecords()) {
-                const auto id_string = Common::HexArrayToString(rec.nca_id, false);
-                const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
+                const auto id_string = Common::HexToString(rec.nca_id, false);
+                auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
+
                 if (next_file == nullptr) {
                     LOG_WARNING(Service_FS,
                                 "NCA with ID {}.nca is listed in content metadata, but cannot "
@@ -253,9 +255,10 @@ void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
                     continue;
                 }
 
-                auto next_nca = std::make_shared<NCA>(next_file, nullptr, 0, keys);
-                if (next_nca->GetType() == NCAContentType::Program)
+                auto next_nca = std::make_shared<NCA>(std::move(next_file), nullptr, 0, keys);
+                if (next_nca->GetType() == NCAContentType::Program) {
                     program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
+                }
                 if (next_nca->GetStatus() == Loader::ResultStatus::Success ||
                     (next_nca->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS &&
                      (cnmt.GetTitleID() & 0x800) != 0)) {

src/core/file_sys/xts_archive.cpp

@@ -66,7 +66,7 @@ NAX::NAX(VirtualFile file_, std::array<u8, 0x10> nca_id)
     Core::Crypto::SHA256Hash hash{};
     mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0);
     status = Parse(fmt::format("/registered/000000{:02X}/{}.nca", hash[0],
-                               Common::HexArrayToString(nca_id, false)));
+                               Common::HexToString(nca_id, false)));
 }
 
 NAX::~NAX() = default;

src/core/frontend/applets/profile_select.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include "core/frontend/applets/profile_select.h"
+#include "core/hle/service/acc/profile_manager.h"
 #include "core/settings.h"
 
 namespace Core::Frontend {
@@ -10,9 +11,9 @@ namespace Core::Frontend {
 ProfileSelectApplet::~ProfileSelectApplet() = default;
 
 void DefaultProfileSelectApplet::SelectProfile(
-    std::function<void(std::optional<Service::Account::UUID>)> callback) const {
+    std::function<void(std::optional<Common::UUID>)> callback) const {
     Service::Account::ProfileManager manager;
-    callback(manager.GetUser(Settings::values.current_user).value_or(Service::Account::UUID{}));
+    callback(manager.GetUser(Settings::values.current_user).value_or(Common::UUID{}));
     LOG_INFO(Service_ACC, "called, selecting current user instead of prompting...");
 }
 

src/core/frontend/applets/profile_select.h

@@ -6,7 +6,7 @@
 
 #include <functional>
 #include <optional>
-#include "core/hle/service/acc/profile_manager.h"
+#include "common/uuid.h"
 
 namespace Core::Frontend {
 
@@ -14,14 +14,12 @@ class ProfileSelectApplet {
 public:
     virtual ~ProfileSelectApplet();
 
-    virtual void SelectProfile(
-        std::function<void(std::optional<Service::Account::UUID>)> callback) const = 0;
+    virtual void SelectProfile(std::function<void(std::optional<Common::UUID>)> callback) const = 0;
 };
 
 class DefaultProfileSelectApplet final : public ProfileSelectApplet {
 public:
-    void SelectProfile(
-        std::function<void(std::optional<Service::Account::UUID>)> callback) const override;
+    void SelectProfile(std::function<void(std::optional<Common::UUID>)> callback) const override;
 };
 
 } // namespace Core::Frontend

src/core/frontend/emu_window.h

@@ -169,8 +169,7 @@ private:
      * For the request to be honored, EmuWindow implementations will usually reimplement this
      * function.
      */
-    virtual void OnMinimalClientAreaChangeRequest(
-        const std::pair<unsigned, unsigned>& minimal_size) {
+    virtual void OnMinimalClientAreaChangeRequest(std::pair<unsigned, unsigned>) {
         // By default, ignore this request and do nothing.
     }
 

src/core/frontend/framebuffer_layout.cpp

@@ -20,7 +20,7 @@ static Common::Rectangle<T> MaxRectangle(Common::Rectangle<T> window_area,
                                 static_cast<T>(std::round(scale * screen_aspect_ratio))};
 }
 
-FramebufferLayout DefaultFrameLayout(unsigned width, unsigned height) {
+FramebufferLayout DefaultFrameLayout(u32 width, u32 height) {
     ASSERT(width > 0);
     ASSERT(height > 0);
     // The drawing code needs at least somewhat valid values for both screens
@@ -29,22 +29,23 @@ FramebufferLayout DefaultFrameLayout(unsigned width, unsigned height) {
 
     const float emulation_aspect_ratio{static_cast<float>(ScreenUndocked::Height) /
                                        ScreenUndocked::Width};
-    Common::Rectangle<unsigned> screen_window_area{0, 0, width, height};
-    Common::Rectangle<unsigned> screen = MaxRectangle(screen_window_area, emulation_aspect_ratio);
+    const auto window_aspect_ratio = static_cast<float>(height) / width;
 
-    float window_aspect_ratio = static_cast<float>(height) / width;
+    const Common::Rectangle<u32> screen_window_area{0, 0, width, height};
+    Common::Rectangle<u32> screen = MaxRectangle(screen_window_area, emulation_aspect_ratio);
 
     if (window_aspect_ratio < emulation_aspect_ratio) {
         screen = screen.TranslateX((screen_window_area.GetWidth() - screen.GetWidth()) / 2);
     } else {
         screen = screen.TranslateY((height - screen.GetHeight()) / 2);
     }
+
     res.screen = screen;
     return res;
 }
 
-FramebufferLayout FrameLayoutFromResolutionScale(u16 res_scale) {
-    int width, height;
+FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale) {
+    u32 width, height;
 
     if (Settings::values.use_docked_mode) {
         width = ScreenDocked::WidthDocked * res_scale;

src/core/frontend/framebuffer_layout.h

@@ -8,15 +8,22 @@
 
 namespace Layout {
 
-enum ScreenUndocked : unsigned { Width = 1280, Height = 720 };
-enum ScreenDocked : unsigned { WidthDocked = 1920, HeightDocked = 1080 };
+enum ScreenUndocked : u32 {
+    Width = 1280,
+    Height = 720,
+};
+
+enum ScreenDocked : u32 {
+    WidthDocked = 1920,
+    HeightDocked = 1080,
+};
 
 /// Describes the layout of the window framebuffer
 struct FramebufferLayout {
-    unsigned width{ScreenUndocked::Width};
-    unsigned height{ScreenUndocked::Height};
+    u32 width{ScreenUndocked::Width};
+    u32 height{ScreenUndocked::Height};
 
-    Common::Rectangle<unsigned> screen;
+    Common::Rectangle<u32> screen;
 
     /**
      * Returns the ration of pixel size of the screen, compared to the native size of the undocked
@@ -33,12 +40,12 @@ struct FramebufferLayout {
  * @param height Window framebuffer height in pixels
  * @return Newly created FramebufferLayout object with default screen regions initialized
  */
-FramebufferLayout DefaultFrameLayout(unsigned width, unsigned height);
+FramebufferLayout DefaultFrameLayout(u32 width, u32 height);
 
 /**
  * Convenience method to get frame layout by resolution scale
  * @param res_scale resolution scale factor
  */
-FramebufferLayout FrameLayoutFromResolutionScale(u16 res_scale);
+FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale);
 
 } // namespace Layout

src/core/hle/kernel/hle_ipc.cpp

@@ -43,7 +43,7 @@ void SessionRequestHandler::ClientDisconnected(const SharedPtr<ServerSession>& s
 }
 
 SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
-    SharedPtr<Thread> thread, const std::string& reason, u64 timeout, WakeupCallback&& callback,
+    const std::string& reason, u64 timeout, WakeupCallback&& callback,
     SharedPtr<WritableEvent> writable_event) {
     // Put the client thread to sleep until the wait event is signaled or the timeout expires.
     thread->SetWakeupCallback([context = *this, callback](
@@ -76,8 +76,9 @@ SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
     return writable_event;
 }
 
-HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session)
-    : server_session(std::move(server_session)) {
+HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session,
+                                     SharedPtr<Thread> thread)
+    : server_session(std::move(server_session)), thread(std::move(thread)) {
     cmd_buf[0] = 0;
 }
 

src/core/hle/kernel/hle_ipc.h

@@ -97,7 +97,7 @@ protected:
  */
 class HLERequestContext {
 public:
-    explicit HLERequestContext(SharedPtr<ServerSession> session);
+    explicit HLERequestContext(SharedPtr<ServerSession> session, SharedPtr<Thread> thread);
     ~HLERequestContext();
 
     /// Returns a pointer to the IPC command buffer for this request.
@@ -119,7 +119,6 @@ public:
     /**
      * Puts the specified guest thread to sleep until the returned event is signaled or until the
      * specified timeout expires.
-     * @param thread Thread to be put to sleep.
      * @param reason Reason for pausing the thread, to be used for debugging purposes.
      * @param timeout Timeout in nanoseconds after which the thread will be awoken and the callback
      * invoked with a Timeout reason.
@@ -130,8 +129,8 @@ public:
      * created.
      * @returns Event that when signaled will resume the thread and call the callback function.
      */
-    SharedPtr<WritableEvent> SleepClientThread(SharedPtr<Thread> thread, const std::string& reason,
-                                               u64 timeout, WakeupCallback&& callback,
+    SharedPtr<WritableEvent> SleepClientThread(const std::string& reason, u64 timeout,
+                                               WakeupCallback&& callback,
                                                SharedPtr<WritableEvent> writable_event = nullptr);
 
     /// Populates this context with data from the requesting process/thread.
@@ -268,6 +267,7 @@ private:
 
     std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
     SharedPtr<Kernel::ServerSession> server_session;
+    SharedPtr<Thread> thread;
     // TODO(yuriks): Check common usage of this and optimize size accordingly
     boost::container::small_vector<SharedPtr<Object>, 8> move_objects;
     boost::container::small_vector<SharedPtr<Object>, 8> copy_objects;

src/core/hle/kernel/process.cpp

@@ -48,7 +48,7 @@ void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority) {
 }
 } // Anonymous namespace
 
-SharedPtr<Process> Process::Create(Core::System& system, std::string&& name) {
+SharedPtr<Process> Process::Create(Core::System& system, std::string name) {
     auto& kernel = system.Kernel();
 
     SharedPtr<Process> process(new Process(system));
@@ -72,10 +72,26 @@ SharedPtr<ResourceLimit> Process::GetResourceLimit() const {
     return resource_limit;
 }
 
+u64 Process::GetTotalPhysicalMemoryAvailable() const {
+    return vm_manager.GetTotalPhysicalMemoryAvailable();
+}
+
+u64 Process::GetTotalPhysicalMemoryAvailableWithoutMmHeap() const {
+    // TODO: Subtract the personal heap size from this when the
+    //       personal heap is implemented.
+    return GetTotalPhysicalMemoryAvailable();
+}
+
 u64 Process::GetTotalPhysicalMemoryUsed() const {
     return vm_manager.GetCurrentHeapSize() + main_thread_stack_size + code_memory_size;
 }
 
+u64 Process::GetTotalPhysicalMemoryUsedWithoutMmHeap() const {
+    // TODO: Subtract the personal heap size from this when the
+    //       personal heap is implemented.
+    return GetTotalPhysicalMemoryUsed();
+}
+
 void Process::RegisterThread(const Thread* thread) {
     thread_list.push_back(thread);
 }

src/core/hle/kernel/process.h

@@ -10,7 +10,6 @@
 #include <list>
 #include <string>
 #include <vector>
-#include <boost/container/static_vector.hpp>
 #include "common/common_types.h"
 #include "core/hle/kernel/address_arbiter.h"
 #include "core/hle/kernel/handle_table.h"
@@ -76,7 +75,7 @@ public:
 
     static constexpr std::size_t RANDOM_ENTROPY_SIZE = 4;
 
-    static SharedPtr<Process> Create(Core::System& system, std::string&& name);
+    static SharedPtr<Process> Create(Core::System& system, std::string name);
 
     std::string GetTypeName() const override {
         return "Process";
@@ -187,9 +186,20 @@ public:
         return random_entropy.at(index);
     }
 
+    /// Retrieves the total physical memory available to this process in bytes.
+    u64 GetTotalPhysicalMemoryAvailable() const;
+
+    /// Retrieves the total physical memory available to this process in bytes,
+    /// without the size of the personal heap added to it.
+    u64 GetTotalPhysicalMemoryAvailableWithoutMmHeap() const;
+
     /// Retrieves the total physical memory used by this process in bytes.
     u64 GetTotalPhysicalMemoryUsed() const;
 
+    /// Retrieves the total physical memory used by this process in bytes,
+    /// without the size of the personal heap added to it.
+    u64 GetTotalPhysicalMemoryUsedWithoutMmHeap() const;
+
     /// Gets the list of all threads created with this process as their owner.
     const std::list<const Thread*>& GetThreadList() const {
         return thread_list;

src/core/hle/kernel/server_session.cpp

@@ -130,7 +130,7 @@ ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
     // The ServerSession received a sync request, this means that there's new data available
     // from its ClientSession, so wake up any threads that may be waiting on a svcReplyAndReceive or
     // similar.
-    Kernel::HLERequestContext context(this);
+    Kernel::HLERequestContext context(this, thread);
     u32* cmd_buf = (u32*)Memory::GetPointer(thread->GetTLSAddress());
     context.PopulateFromIncomingCommandBuffer(kernel.CurrentProcess()->GetHandleTable(), cmd_buf);
 

src/core/hle/kernel/svc.cpp

@@ -710,13 +710,13 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
         MapRegionSize = 3,
         HeapRegionBaseAddr = 4,
         HeapRegionSize = 5,
-        TotalMemoryUsage = 6,
+        TotalPhysicalMemoryAvailable = 6,
         TotalPhysicalMemoryUsed = 7,
         IsCurrentProcessBeingDebugged = 8,
         RegisterResourceLimit = 9,
         IdleTickCount = 10,
         RandomEntropy = 11,
-        PerformanceCounter = 0xF0000002,
+        ThreadTickCount = 0xF0000002,
         // 2.0.0+
         ASLRRegionBaseAddr = 12,
         ASLRRegionSize = 13,
@@ -730,7 +730,9 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
         PrivilegedProcessId = 19,
         // 5.0.0+
         UserExceptionContextAddr = 20,
-        ThreadTickCount = 0xF0000002,
+        // 6.0.0+
+        TotalPhysicalMemoryAvailableWithoutMmHeap = 21,
+        TotalPhysicalMemoryUsedWithoutMmHeap = 22,
     };
 
     const auto info_id_type = static_cast<GetInfoType>(info_id);
@@ -746,12 +748,14 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
     case GetInfoType::ASLRRegionSize:
     case GetInfoType::NewMapRegionBaseAddr:
     case GetInfoType::NewMapRegionSize:
-    case GetInfoType::TotalMemoryUsage:
+    case GetInfoType::TotalPhysicalMemoryAvailable:
     case GetInfoType::TotalPhysicalMemoryUsed:
     case GetInfoType::IsVirtualAddressMemoryEnabled:
     case GetInfoType::PersonalMmHeapUsage:
     case GetInfoType::TitleId:
-    case GetInfoType::UserExceptionContextAddr: {
+    case GetInfoType::UserExceptionContextAddr:
+    case GetInfoType::TotalPhysicalMemoryAvailableWithoutMmHeap:
+    case GetInfoType::TotalPhysicalMemoryUsedWithoutMmHeap: {
         if (info_sub_id != 0) {
             return ERR_INVALID_ENUM_VALUE;
         }
@@ -804,8 +808,8 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
             *result = process->VMManager().GetNewMapRegionSize();
             return RESULT_SUCCESS;
 
-        case GetInfoType::TotalMemoryUsage:
-            *result = process->VMManager().GetTotalMemoryUsage();
+        case GetInfoType::TotalPhysicalMemoryAvailable:
+            *result = process->GetTotalPhysicalMemoryAvailable();
             return RESULT_SUCCESS;
 
         case GetInfoType::TotalPhysicalMemoryUsed:
@@ -826,6 +830,14 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
             *result = 0;
             return RESULT_SUCCESS;
 
+        case GetInfoType::TotalPhysicalMemoryAvailableWithoutMmHeap:
+            *result = process->GetTotalPhysicalMemoryAvailable();
+            return RESULT_SUCCESS;
+
+        case GetInfoType::TotalPhysicalMemoryUsedWithoutMmHeap:
+            *result = process->GetTotalPhysicalMemoryUsedWithoutMmHeap();
+            return RESULT_SUCCESS;
+
         default:
             break;
         }

src/core/hle/kernel/thread.cpp

@@ -75,9 +75,9 @@ void Thread::WakeAfterDelay(s64 nanoseconds) {
 
     // This function might be called from any thread so we have to be cautious and use the
     // thread-safe version of ScheduleEvent.
+    const s64 cycles = Core::Timing::nsToCycles(std::chrono::nanoseconds{nanoseconds});
     Core::System::GetInstance().CoreTiming().ScheduleEventThreadsafe(
-        Core::Timing::nsToCycles(nanoseconds), kernel.ThreadWakeupCallbackEventType(),
-        callback_handle);
+        cycles, kernel.ThreadWakeupCallbackEventType(), callback_handle);
 }
 
 void Thread::CancelWakeupTimer() {

src/core/hle/kernel/vm_manager.cpp

@@ -68,9 +68,7 @@ VMManager::VMManager(Core::System& system) : system{system} {
     Reset(FileSys::ProgramAddressSpaceType::Is39Bit);
 }
 
-VMManager::~VMManager() {
-    Reset(FileSys::ProgramAddressSpaceType::Is39Bit);
-}
+VMManager::~VMManager() = default;
 
 void VMManager::Reset(FileSys::ProgramAddressSpaceType type) {
     Clear();
@@ -758,7 +756,7 @@ VMManager::CheckResults VMManager::CheckRangeState(VAddr address, u64 size, Memo
         std::make_tuple(initial_state, initial_permissions, initial_attributes & ~ignore_mask));
 }
 
-u64 VMManager::GetTotalMemoryUsage() const {
+u64 VMManager::GetTotalPhysicalMemoryAvailable() const {
     LOG_WARNING(Kernel, "(STUBBED) called");
     return 0xF8000000;
 }

src/core/hle/kernel/vm_manager.h

@@ -499,7 +499,7 @@ public:
     void LogLayout() const;
 
     /// Gets the total memory usage, used by svcGetInfo
-    u64 GetTotalMemoryUsage() const;
+    u64 GetTotalPhysicalMemoryAvailable() const;
 
     /// Gets the address space base address
     VAddr GetAddressSpaceBaseAddress() const;

src/core/hle/service/acc/acc.cpp

@@ -10,31 +10,23 @@
 #include "common/logging/log.h"
 #include "common/string_util.h"
 #include "common/swap.h"
+#include "core/constants.h"
 #include "core/core_timing.h"
+#include "core/file_sys/control_metadata.h"
+#include "core/file_sys/patch_manager.h"
 #include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/process.h"
 #include "core/hle/service/acc/acc.h"
 #include "core/hle/service/acc/acc_aa.h"
 #include "core/hle/service/acc/acc_su.h"
 #include "core/hle/service/acc/acc_u0.h"
 #include "core/hle/service/acc/acc_u1.h"
 #include "core/hle/service/acc/profile_manager.h"
+#include "core/loader/loader.h"
 
 namespace Service::Account {
 
-// Smallest JPEG https://github.com/mathiasbynens/small/blob/master/jpeg.jpg
-// used as a backup should the one on disk not exist
-constexpr u32 backup_jpeg_size = 107;
-constexpr std::array<u8, backup_jpeg_size> backup_jpeg{{
-    0xff, 0xd8, 0xff, 0xdb, 0x00, 0x43, 0x00, 0x03, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x02, 0x02,
-    0x02, 0x03, 0x03, 0x03, 0x03, 0x04, 0x06, 0x04, 0x04, 0x04, 0x04, 0x04, 0x08, 0x06, 0x06, 0x05,
-    0x06, 0x09, 0x08, 0x0a, 0x0a, 0x09, 0x08, 0x09, 0x09, 0x0a, 0x0c, 0x0f, 0x0c, 0x0a, 0x0b, 0x0e,
-    0x0b, 0x09, 0x09, 0x0d, 0x11, 0x0d, 0x0e, 0x0f, 0x10, 0x10, 0x11, 0x10, 0x0a, 0x0c, 0x12, 0x13,
-    0x12, 0x10, 0x13, 0x0f, 0x10, 0x10, 0x10, 0xff, 0xc9, 0x00, 0x0b, 0x08, 0x00, 0x01, 0x00, 0x01,
-    0x01, 0x01, 0x11, 0x00, 0xff, 0xcc, 0x00, 0x06, 0x00, 0x10, 0x10, 0x05, 0xff, 0xda, 0x00, 0x08,
-    0x01, 0x01, 0x00, 0x00, 0x3f, 0x00, 0xd2, 0xcf, 0x20, 0xff, 0xd9,
-}};
-
-static std::string GetImagePath(UUID uuid) {
+static std::string GetImagePath(Common::UUID uuid) {
     return FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
            "/system/save/8000000000000010/su/avators/" + uuid.FormatSwitch() + ".jpg";
 }
@@ -46,7 +38,7 @@ static constexpr u32 SanitizeJPEGSize(std::size_t size) {
 
 class IProfile final : public ServiceFramework<IProfile> {
 public:
-    explicit IProfile(UUID user_id, ProfileManager& profile_manager)
+    explicit IProfile(Common::UUID user_id, ProfileManager& profile_manager)
         : ServiceFramework("IProfile"), profile_manager(profile_manager), user_id(user_id) {
         static const FunctionInfo functions[] = {
             {0, &IProfile::Get, "Get"},
@@ -101,8 +93,8 @@ private:
         if (!image.IsOpen()) {
             LOG_WARNING(Service_ACC,
                         "Failed to load user provided image! Falling back to built-in backup...");
-            ctx.WriteBuffer(backup_jpeg);
-            rb.Push<u32>(backup_jpeg_size);
+            ctx.WriteBuffer(Core::Constants::ACCOUNT_BACKUP_JPEG);
+            rb.Push<u32>(Core::Constants::ACCOUNT_BACKUP_JPEG.size());
             return;
         }
 
@@ -124,14 +116,14 @@ private:
         if (!image.IsOpen()) {
             LOG_WARNING(Service_ACC,
                         "Failed to load user provided image! Falling back to built-in backup...");
-            rb.Push<u32>(backup_jpeg_size);
+            rb.Push<u32>(Core::Constants::ACCOUNT_BACKUP_JPEG.size());
         } else {
             rb.Push<u32>(SanitizeJPEGSize(image.GetSize()));
         }
     }
 
     const ProfileManager& profile_manager;
-    UUID user_id; ///< The user id this profile refers to.
+    Common::UUID user_id; ///< The user id this profile refers to.
 };
 
 class IManagerForApplication final : public ServiceFramework<IManagerForApplication> {
@@ -179,7 +171,7 @@ void Module::Interface::GetUserCount(Kernel::HLERequestContext& ctx) {
 
 void Module::Interface::GetUserExistence(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    UUID user_id = rp.PopRaw<UUID>();
+    Common::UUID user_id = rp.PopRaw<Common::UUID>();
     LOG_INFO(Service_ACC, "called user_id={}", user_id.Format());
 
     IPC::ResponseBuilder rb{ctx, 3};
@@ -205,12 +197,12 @@ void Module::Interface::GetLastOpenedUser(Kernel::HLERequestContext& ctx) {
     LOG_INFO(Service_ACC, "called");
     IPC::ResponseBuilder rb{ctx, 6};
     rb.Push(RESULT_SUCCESS);
-    rb.PushRaw<UUID>(profile_manager->GetLastOpenedUser());
+    rb.PushRaw<Common::UUID>(profile_manager->GetLastOpenedUser());
 }
 
 void Module::Interface::GetProfile(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
-    UUID user_id = rp.PopRaw<UUID>();
+    Common::UUID user_id = rp.PopRaw<Common::UUID>();
     LOG_DEBUG(Service_ACC, "called user_id={}", user_id.Format());
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
@@ -225,7 +217,7 @@ void Module::Interface::IsUserRegistrationRequestPermitted(Kernel::HLERequestCon
     rb.Push(profile_manager->CanSystemRegisterUser());
 }
 
-void Module::Interface::InitializeApplicationInfo(Kernel::HLERequestContext& ctx) {
+void Module::Interface::InitializeApplicationInfoOld(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_ACC, "(STUBBED) called");
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
@@ -238,6 +230,31 @@ void Module::Interface::GetBaasAccountManagerForApplication(Kernel::HLERequestCo
     rb.PushIpcInterface<IManagerForApplication>();
 }
 
+void Module::Interface::IsUserAccountSwitchLocked(Kernel::HLERequestContext& ctx) {
+    LOG_DEBUG(Service_ACC, "called");
+    FileSys::NACP nacp;
+    const auto res = system.GetAppLoader().ReadControlData(nacp);
+
+    bool is_locked = false;
+
+    if (res != Loader::ResultStatus::Success) {
+        FileSys::PatchManager pm{system.CurrentProcess()->GetTitleID()};
+        auto nacp_unique = pm.GetControlMetadata().first;
+
+        if (nacp_unique != nullptr) {
+            is_locked = nacp_unique->GetUserAccountSwitchLock();
+        } else {
+            LOG_ERROR(Service_ACC, "nacp_unique is null!");
+        }
+    } else {
+        is_locked = nacp.GetUserAccountSwitchLock();
+    }
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push(is_locked);
+}
+
 void Module::Interface::TrySelectUserWithoutInteraction(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_ACC, "called");
     // A u8 is passed into this function which we can safely ignore. It's to determine if we have
@@ -245,15 +262,15 @@ void Module::Interface::TrySelectUserWithoutInteraction(Kernel::HLERequestContex
     IPC::ResponseBuilder rb{ctx, 6};
     if (profile_manager->GetUserCount() != 1) {
         rb.Push(RESULT_SUCCESS);
-        rb.PushRaw<u128>(INVALID_UUID);
+        rb.PushRaw<u128>(Common::INVALID_UUID);
         return;
     }
 
     const auto user_list = profile_manager->GetAllUsers();
     if (std::all_of(user_list.begin(), user_list.end(),
-                    [](const auto& user) { return user.uuid == INVALID_UUID; })) {
+                    [](const auto& user) { return user.uuid == Common::INVALID_UUID; })) {
         rb.Push(ResultCode(-1)); // TODO(ogniK): Find the correct error code
-        rb.PushRaw<u128>(INVALID_UUID);
+        rb.PushRaw<u128>(Common::INVALID_UUID);
         return;
     }
 
@@ -263,19 +280,25 @@ void Module::Interface::TrySelectUserWithoutInteraction(Kernel::HLERequestContex
 }
 
 Module::Interface::Interface(std::shared_ptr<Module> module,
-                             std::shared_ptr<ProfileManager> profile_manager, const char* name)
+                             std::shared_ptr<ProfileManager> profile_manager, Core::System& system,
+                             const char* name)
     : ServiceFramework(name), module(std::move(module)),
-      profile_manager(std::move(profile_manager)) {}
+      profile_manager(std::move(profile_manager)), system(system) {}
 
 Module::Interface::~Interface() = default;
 
-void InstallInterfaces(SM::ServiceManager& service_manager) {
+void InstallInterfaces(Core::System& system) {
     auto module = std::make_shared<Module>();
     auto profile_manager = std::make_shared<ProfileManager>();
-    std::make_shared<ACC_AA>(module, profile_manager)->InstallAsService(service_manager);
-    std::make_shared<ACC_SU>(module, profile_manager)->InstallAsService(service_manager);
-    std::make_shared<ACC_U0>(module, profile_manager)->InstallAsService(service_manager);
-    std::make_shared<ACC_U1>(module, profile_manager)->InstallAsService(service_manager);
+
+    std::make_shared<ACC_AA>(module, profile_manager, system)
+        ->InstallAsService(system.ServiceManager());
+    std::make_shared<ACC_SU>(module, profile_manager, system)
+        ->InstallAsService(system.ServiceManager());
+    std::make_shared<ACC_U0>(module, profile_manager, system)
+        ->InstallAsService(system.ServiceManager());
+    std::make_shared<ACC_U1>(module, profile_manager, system)
+        ->InstallAsService(system.ServiceManager());
 }
 
 } // namespace Service::Account

src/core/hle/service/acc/acc.h

@@ -15,7 +15,8 @@ public:
     class Interface : public ServiceFramework<Interface> {
     public:
         explicit Interface(std::shared_ptr<Module> module,
-                           std::shared_ptr<ProfileManager> profile_manager, const char* name);
+                           std::shared_ptr<ProfileManager> profile_manager, Core::System& system,
+                           const char* name);
         ~Interface() override;
 
         void GetUserCount(Kernel::HLERequestContext& ctx);
@@ -24,18 +25,20 @@ public:
         void ListOpenUsers(Kernel::HLERequestContext& ctx);
         void GetLastOpenedUser(Kernel::HLERequestContext& ctx);
         void GetProfile(Kernel::HLERequestContext& ctx);
-        void InitializeApplicationInfo(Kernel::HLERequestContext& ctx);
+        void InitializeApplicationInfoOld(Kernel::HLERequestContext& ctx);
         void GetBaasAccountManagerForApplication(Kernel::HLERequestContext& ctx);
         void IsUserRegistrationRequestPermitted(Kernel::HLERequestContext& ctx);
         void TrySelectUserWithoutInteraction(Kernel::HLERequestContext& ctx);
+        void IsUserAccountSwitchLocked(Kernel::HLERequestContext& ctx);
 
     protected:
         std::shared_ptr<Module> module;
         std::shared_ptr<ProfileManager> profile_manager;
+        Core::System& system;
     };
 };
 
 /// Registers all ACC services with the specified service manager.
-void InstallInterfaces(SM::ServiceManager& service_manager);
+void InstallInterfaces(Core::System& system);
 
 } // namespace Service::Account

src/core/hle/service/acc/acc_aa.cpp

@@ -6,8 +6,9 @@
 
 namespace Service::Account {
 
-ACC_AA::ACC_AA(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager)
-    : Module::Interface(std::move(module), std::move(profile_manager), "acc:aa") {
+ACC_AA::ACC_AA(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager,
+               Core::System& system)
+    : Module::Interface(std::move(module), std::move(profile_manager), system, "acc:aa") {
     static const FunctionInfo functions[] = {
         {0, nullptr, "EnsureCacheAsync"},
         {1, nullptr, "LoadCache"},

src/core/hle/service/acc/acc_aa.h

@@ -10,8 +10,8 @@ namespace Service::Account {
 
 class ACC_AA final : public Module::Interface {
 public:
-    explicit ACC_AA(std::shared_ptr<Module> module,
-                    std::shared_ptr<ProfileManager> profile_manager);
+    explicit ACC_AA(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager,
+                    Core::System& system);
     ~ACC_AA() override;
 };
 

src/core/hle/service/acc/acc_su.cpp

@@ -6,8 +6,9 @@
 
 namespace Service::Account {
 
-ACC_SU::ACC_SU(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager)
-    : Module::Interface(std::move(module), std::move(profile_manager), "acc:su") {
+ACC_SU::ACC_SU(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager,
+               Core::System& system)
+    : Module::Interface(std::move(module), std::move(profile_manager), system, "acc:su") {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &ACC_SU::GetUserCount, "GetUserCount"},

src/core/hle/service/acc/acc_su.h

@@ -10,8 +10,8 @@ namespace Service::Account {
 
 class ACC_SU final : public Module::Interface {
 public:
-    explicit ACC_SU(std::shared_ptr<Module> module,
-                    std::shared_ptr<ProfileManager> profile_manager);
+    explicit ACC_SU(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager,
+                    Core::System& system);
     ~ACC_SU() override;
 };
 

src/core/hle/service/acc/acc_u0.cpp

@@ -6,8 +6,9 @@
 
 namespace Service::Account {
 
-ACC_U0::ACC_U0(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager)
-    : Module::Interface(std::move(module), std::move(profile_manager), "acc:u0") {
+ACC_U0::ACC_U0(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager,
+               Core::System& system)
+    : Module::Interface(std::move(module), std::move(profile_manager), system, "acc:u0") {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &ACC_U0::GetUserCount, "GetUserCount"},
@@ -21,7 +22,7 @@ ACC_U0::ACC_U0(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> p
         {51, &ACC_U0::TrySelectUserWithoutInteraction, "TrySelectUserWithoutInteraction"},
         {60, nullptr, "ListOpenContextStoredUsers"},
         {99, nullptr, "DebugActivateOpenContextRetention"},
-        {100, &ACC_U0::InitializeApplicationInfo, "InitializeApplicationInfo"},
+        {100, &ACC_U0::InitializeApplicationInfoOld, "InitializeApplicationInfoOld"},
         {101, &ACC_U0::GetBaasAccountManagerForApplication, "GetBaasAccountManagerForApplication"},
         {102, nullptr, "AuthenticateApplicationAsync"},
         {103, nullptr, "CheckNetworkServiceAvailabilityAsync"},
@@ -32,7 +33,7 @@ ACC_U0::ACC_U0(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> p
         {131, nullptr, "ListOpenContextStoredUsers"},
         {140, nullptr, "InitializeApplicationInfo"},
         {141, nullptr, "ListQualifiedUsers"},
-        {150, nullptr, "IsUserAccountSwitchLocked"},
+        {150, &ACC_U0::IsUserAccountSwitchLocked, "IsUserAccountSwitchLocked"},
     };
     // clang-format on
 

src/core/hle/service/acc/acc_u0.h

@@ -10,8 +10,8 @@ namespace Service::Account {
 
 class ACC_U0 final : public Module::Interface {
 public:
-    explicit ACC_U0(std::shared_ptr<Module> module,
-                    std::shared_ptr<ProfileManager> profile_manager);
+    explicit ACC_U0(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager,
+                    Core::System& system);
     ~ACC_U0() override;
 };
 

src/core/hle/service/acc/acc_u1.cpp

@@ -6,8 +6,9 @@
 
 namespace Service::Account {
 
-ACC_U1::ACC_U1(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager)
-    : Module::Interface(std::move(module), std::move(profile_manager), "acc:u1") {
+ACC_U1::ACC_U1(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager,
+               Core::System& system)
+    : Module::Interface(std::move(module), std::move(profile_manager), system, "acc:u1") {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &ACC_U1::GetUserCount, "GetUserCount"},

src/core/hle/service/acc/acc_u1.h

@@ -10,8 +10,8 @@ namespace Service::Account {
 
 class ACC_U1 final : public Module::Interface {
 public:
-    explicit ACC_U1(std::shared_ptr<Module> module,
-                    std::shared_ptr<ProfileManager> profile_manager);
+    explicit ACC_U1(std::shared_ptr<Module> module, std::shared_ptr<ProfileManager> profile_manager,
+                    Core::System& system);
     ~ACC_U1() override;
 };
 

src/core/hle/service/acc/profile_manager.cpp

@@ -13,6 +13,8 @@
 
 namespace Service::Account {
 
+using Common::UUID;
+
 struct UserRaw {
     UUID uuid;
     UUID uuid2;
@@ -35,26 +37,6 @@ constexpr ResultCode ERROR_ARGUMENT_IS_NULL(ErrorModule::Account, 20);
 
 constexpr char ACC_SAVE_AVATORS_BASE_PATH[] = "/system/save/8000000000000010/su/avators/";
 
-UUID UUID::Generate() {
-    std::random_device device;
-    std::mt19937 gen(device());
-    std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
-    return UUID{distribution(gen), distribution(gen)};
-}
-
-std::string UUID::Format() const {
-    return fmt::format("0x{:016X}{:016X}", uuid[1], uuid[0]);
-}
-
-std::string UUID::FormatSwitch() const {
-    std::array<u8, 16> s{};
-    std::memcpy(s.data(), uuid.data(), sizeof(u128));
-    return fmt::format("{:02x}{:02x}{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{"
-                       ":02x}{:02x}{:02x}{:02x}{:02x}",
-                       s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], s[8], s[9], s[10], s[11],
-                       s[12], s[13], s[14], s[15]);
-}
-
 ProfileManager::ProfileManager() {
     ParseUserSaveFile();
 
@@ -217,7 +199,7 @@ bool ProfileManager::UserExists(UUID uuid) const {
 bool ProfileManager::UserExistsIndex(std::size_t index) const {
     if (index >= MAX_USERS)
         return false;
-    return profiles[index].user_uuid.uuid != INVALID_UUID;
+    return profiles[index].user_uuid.uuid != Common::INVALID_UUID;
 }
 
 /// Opens a specific user
@@ -311,7 +293,7 @@ bool ProfileManager::RemoveUser(UUID uuid) {
 
 bool ProfileManager::SetProfileBase(UUID uuid, const ProfileBase& profile_new) {
     const auto index = GetUserIndex(uuid);
-    if (!index || profile_new.user_uuid == UUID(INVALID_UUID)) {
+    if (!index || profile_new.user_uuid == UUID(Common::INVALID_UUID)) {
         return false;
     }
 
@@ -342,7 +324,7 @@ void ProfileManager::ParseUserSaveFile() {
     }
 
     for (const auto& user : data.users) {
-        if (user.uuid == UUID(INVALID_UUID)) {
+        if (user.uuid == UUID(Common::INVALID_UUID)) {
             continue;
         }
 

src/core/hle/service/acc/profile_manager.h

@@ -9,47 +9,15 @@
 
 #include "common/common_types.h"
 #include "common/swap.h"
+#include "common/uuid.h"
 #include "core/hle/result.h"
 
 namespace Service::Account {
 constexpr std::size_t MAX_USERS = 8;
-constexpr u128 INVALID_UUID{{0, 0}};
-
-struct UUID {
-    // UUIDs which are 0 are considered invalid!
-    u128 uuid = INVALID_UUID;
-    UUID() = default;
-    explicit UUID(const u128& id) : uuid{id} {}
-    explicit UUID(const u64 lo, const u64 hi) : uuid{{lo, hi}} {}
-
-    explicit operator bool() const {
-        return uuid != INVALID_UUID;
-    }
-
-    bool operator==(const UUID& rhs) const {
-        return uuid == rhs.uuid;
-    }
-
-    bool operator!=(const UUID& rhs) const {
-        return !operator==(rhs);
-    }
-
-    // TODO(ogniK): Properly generate uuids based on RFC-4122
-    static UUID Generate();
-
-    // Set the UUID to {0,0} to be considered an invalid user
-    void Invalidate() {
-        uuid = INVALID_UUID;
-    }
-
-    std::string Format() const;
-    std::string FormatSwitch() const;
-};
-static_assert(sizeof(UUID) == 16, "UUID is an invalid size!");
 
 constexpr std::size_t profile_username_size = 32;
 using ProfileUsername = std::array<u8, profile_username_size>;
-using UserIDArray = std::array<UUID, MAX_USERS>;
+using UserIDArray = std::array<Common::UUID, MAX_USERS>;
 
 /// Contains extra data related to a user.
 /// TODO: RE this structure
@@ -66,7 +34,7 @@ static_assert(sizeof(ProfileData) == 0x80, "ProfileData structure has incorrect
 /// This holds general information about a users profile. This is where we store all the information
 /// based on a specific user
 struct ProfileInfo {
-    UUID user_uuid;
+    Common::UUID user_uuid;
     ProfileUsername username;
     u64 creation_time;
     ProfileData data; // TODO(ognik): Work out what this is
@@ -74,7 +42,7 @@ struct ProfileInfo {
 };
 
 struct ProfileBase {
-    UUID user_uuid;
+    Common::UUID user_uuid;
     u64_le timestamp;
     ProfileUsername username;
 
@@ -96,33 +64,33 @@ public:
     ~ProfileManager();
 
     ResultCode AddUser(const ProfileInfo& user);
-    ResultCode CreateNewUser(UUID uuid, const ProfileUsername& username);
-    ResultCode CreateNewUser(UUID uuid, const std::string& username);
-    std::optional<UUID> GetUser(std::size_t index) const;
-    std::optional<std::size_t> GetUserIndex(const UUID& uuid) const;
+    ResultCode CreateNewUser(Common::UUID uuid, const ProfileUsername& username);
+    ResultCode CreateNewUser(Common::UUID uuid, const std::string& username);
+    std::optional<Common::UUID> GetUser(std::size_t index) const;
+    std::optional<std::size_t> GetUserIndex(const Common::UUID& uuid) const;
     std::optional<std::size_t> GetUserIndex(const ProfileInfo& user) const;
     bool GetProfileBase(std::optional<std::size_t> index, ProfileBase& profile) const;
-    bool GetProfileBase(UUID uuid, ProfileBase& profile) const;
+    bool GetProfileBase(Common::UUID uuid, ProfileBase& profile) const;
     bool GetProfileBase(const ProfileInfo& user, ProfileBase& profile) const;
     bool GetProfileBaseAndData(std::optional<std::size_t> index, ProfileBase& profile,
                                ProfileData& data) const;
-    bool GetProfileBaseAndData(UUID uuid, ProfileBase& profile, ProfileData& data) const;
+    bool GetProfileBaseAndData(Common::UUID uuid, ProfileBase& profile, ProfileData& data) const;
     bool GetProfileBaseAndData(const ProfileInfo& user, ProfileBase& profile,
                                ProfileData& data) const;
     std::size_t GetUserCount() const;
     std::size_t GetOpenUserCount() const;
-    bool UserExists(UUID uuid) const;
+    bool UserExists(Common::UUID uuid) const;
     bool UserExistsIndex(std::size_t index) const;
-    void OpenUser(UUID uuid);
-    void CloseUser(UUID uuid);
+    void OpenUser(Common::UUID uuid);
+    void CloseUser(Common::UUID uuid);
     UserIDArray GetOpenUsers() const;
     UserIDArray GetAllUsers() const;
-    UUID GetLastOpenedUser() const;
+    Common::UUID GetLastOpenedUser() const;
 
     bool CanSystemRegisterUser() const;
 
-    bool RemoveUser(UUID uuid);
-    bool SetProfileBase(UUID uuid, const ProfileBase& profile_new);
+    bool RemoveUser(Common::UUID uuid);
+    bool SetProfileBase(Common::UUID uuid, const ProfileBase& profile_new);
 
 private:
     void ParseUserSaveFile();
@@ -132,7 +100,7 @@ private:
 
     std::array<ProfileInfo, MAX_USERS> profiles{};
     std::size_t user_count = 0;
-    UUID last_opened_user{INVALID_UUID};
+    Common::UUID last_opened_user{Common::INVALID_UUID};
 };
 
 }; // namespace Service::Account

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

@@ -8,6 +8,8 @@
 #include <cstring>
 #include "audio_core/audio_renderer.h"
 #include "core/core.h"
+#include "core/file_sys/control_metadata.h"
+#include "core/file_sys/patch_manager.h"
 #include "core/file_sys/savedata_factory.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/kernel.h"
@@ -29,9 +31,11 @@
 #include "core/hle/service/am/tcap.h"
 #include "core/hle/service/apm/apm.h"
 #include "core/hle/service/filesystem/filesystem.h"
+#include "core/hle/service/ns/ns.h"
 #include "core/hle/service/nvflinger/nvflinger.h"
 #include "core/hle/service/pm/pm.h"
 #include "core/hle/service/set/set.h"
+#include "core/hle/service/sm/sm.h"
 #include "core/hle/service/vi/vi.h"
 #include "core/settings.h"
 
@@ -267,7 +271,7 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
         {71, nullptr, "GetCurrentIlluminanceEx"},
         {80, nullptr, "SetWirelessPriorityMode"},
         {90, nullptr, "GetAccumulatedSuspendedTickValue"},
-        {91, nullptr, "GetAccumulatedSuspendedTickChangedEvent"},
+        {91, &ISelfController::GetAccumulatedSuspendedTickChangedEvent, "GetAccumulatedSuspendedTickChangedEvent"},
         {100, nullptr, "SetAlbumImageTakenNotificationEnabled"},
         {1000, nullptr, "GetDebugStorageChannel"},
     };
@@ -278,6 +282,11 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
     auto& kernel = Core::System::GetInstance().Kernel();
     launchable_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Manual,
                                                               "ISelfController:LaunchableEvent");
+
+    // TODO(ogniK): Figure out where, when and why this event gets signalled
+    accumulated_suspended_tick_changed_event = Kernel::WritableEvent::CreateEventPair(
+        kernel, Kernel::ResetType::Manual, "ISelfController:AccumulatedSuspendedTickChangedEvent");
+    accumulated_suspended_tick_changed_event.writable->Signal(); //	Is signalled on creation
 }
 
 ISelfController::~ISelfController() = default;
@@ -440,6 +449,17 @@ void ISelfController::GetIdleTimeDetectionExtension(Kernel::HLERequestContext& c
     rb.Push<u32>(idle_time_detection_extension);
 }
 
+void ISelfController::GetAccumulatedSuspendedTickChangedEvent(Kernel::HLERequestContext& ctx) {
+    // The implementation of this function is fine as is, the reason we're labelling it as stubbed
+    // is because we're currently unsure when and where accumulated_suspended_tick_changed_event is
+    // actually signalled for the time being.
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2, 1};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushCopyObjects(accumulated_suspended_tick_changed_event.readable);
+}
+
 AppletMessageQueue::AppletMessageQueue() {
     auto& kernel = Core::System::GetInstance().Kernel();
     on_new_message = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Manual,
@@ -1100,10 +1120,42 @@ void IApplicationFunctions::GetDesiredLanguage(Kernel::HLERequestContext& ctx) {
     // TODO(bunnei): This should be configurable
     LOG_DEBUG(Service_AM, "called");
 
+    // Get supported languages from NACP, if possible
+    // Default to 0 (all languages supported)
+    u32 supported_languages = 0;
+    FileSys::PatchManager pm{Core::System::GetInstance().CurrentProcess()->GetTitleID()};
+
+    const auto res = pm.GetControlMetadata();
+    if (res.first != nullptr) {
+        supported_languages = res.first->GetSupportedLanguages();
+    }
+
+    // Call IApplicationManagerInterface implementation.
+    auto& service_manager = Core::System::GetInstance().ServiceManager();
+    auto ns_am2 = service_manager.GetService<Service::NS::NS>("ns:am2");
+    auto app_man = ns_am2->GetApplicationManagerInterface();
+
+    // Get desired application language
+    const auto res_lang = app_man->GetApplicationDesiredLanguage(supported_languages);
+    if (res_lang.Failed()) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res_lang.Code());
+        return;
+    }
+
+    // Convert to settings language code.
+    const auto res_code = app_man->ConvertApplicationLanguageToLanguageCode(*res_lang);
+    if (res_code.Failed()) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res_code.Code());
+        return;
+    }
+
+    LOG_DEBUG(Service_AM, "got desired_language={:016X}", *res_code);
+
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(RESULT_SUCCESS);
-    rb.Push(
-        static_cast<u64>(Service::Set::GetLanguageCodeFromIndex(Settings::values.language_index)));
+    rb.Push(*res_code);
 }
 
 void IApplicationFunctions::InitializeGamePlayRecording(Kernel::HLERequestContext& ctx) {

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

@@ -133,9 +133,12 @@ private:
     void SetHandlesRequestToDisplay(Kernel::HLERequestContext& ctx);
     void SetIdleTimeDetectionExtension(Kernel::HLERequestContext& ctx);
     void GetIdleTimeDetectionExtension(Kernel::HLERequestContext& ctx);
+    void GetAccumulatedSuspendedTickChangedEvent(Kernel::HLERequestContext& ctx);
 
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     Kernel::EventPair launchable_event;
+    Kernel::EventPair accumulated_suspended_tick_changed_event;
+
     u32 idle_time_detection_extension = 0;
     u64 num_fatal_sections_entered = 0;
 };

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

@@ -121,6 +121,21 @@ void Applet::Initialize() {
     initialized = true;
 }
 
+AppletFrontendSet::AppletFrontendSet() = default;
+
+AppletFrontendSet::AppletFrontendSet(ErrorApplet error, PhotoViewer photo_viewer,
+                                     ProfileSelect profile_select,
+                                     SoftwareKeyboard software_keyboard, WebBrowser web_browser)
+    : error{std::move(error)}, photo_viewer{std::move(photo_viewer)}, profile_select{std::move(
+                                                                          profile_select)},
+      software_keyboard{std::move(software_keyboard)}, web_browser{std::move(web_browser)} {}
+
+AppletFrontendSet::~AppletFrontendSet() = default;
+
+AppletFrontendSet::AppletFrontendSet(AppletFrontendSet&&) noexcept = default;
+
+AppletFrontendSet& AppletFrontendSet::operator=(AppletFrontendSet&&) noexcept = default;
+
 AppletManager::AppletManager() = default;
 
 AppletManager::~AppletManager() = default;

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

@@ -137,11 +137,28 @@ protected:
 };
 
 struct AppletFrontendSet {
-    std::unique_ptr<Core::Frontend::ErrorApplet> error;
-    std::unique_ptr<Core::Frontend::PhotoViewerApplet> photo_viewer;
-    std::unique_ptr<Core::Frontend::ProfileSelectApplet> profile_select;
-    std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> software_keyboard;
-    std::unique_ptr<Core::Frontend::WebBrowserApplet> web_browser;
+    using ErrorApplet = std::unique_ptr<Core::Frontend::ErrorApplet>;
+    using PhotoViewer = std::unique_ptr<Core::Frontend::PhotoViewerApplet>;
+    using ProfileSelect = std::unique_ptr<Core::Frontend::ProfileSelectApplet>;
+    using SoftwareKeyboard = std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet>;
+    using WebBrowser = std::unique_ptr<Core::Frontend::WebBrowserApplet>;
+
+    AppletFrontendSet();
+    AppletFrontendSet(ErrorApplet error, PhotoViewer photo_viewer, ProfileSelect profile_select,
+                      SoftwareKeyboard software_keyboard, WebBrowser web_browser);
+    ~AppletFrontendSet();
+
+    AppletFrontendSet(const AppletFrontendSet&) = delete;
+    AppletFrontendSet& operator=(const AppletFrontendSet&) = delete;
+
+    AppletFrontendSet(AppletFrontendSet&&) noexcept;
+    AppletFrontendSet& operator=(AppletFrontendSet&&) noexcept;
+
+    ErrorApplet error;
+    PhotoViewer photo_viewer;
+    ProfileSelect profile_select;
+    SoftwareKeyboard software_keyboard;
+    WebBrowser web_browser;
 };
 
 class AppletManager {

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

@@ -2,7 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <string>
+#include <string_view>
 
 #include "common/assert.h"
 #include "common/hex_util.h"
@@ -16,21 +16,21 @@
 
 namespace Service::AM::Applets {
 
-static void LogCurrentStorage(AppletDataBroker& broker, std::string prefix) {
+static void LogCurrentStorage(AppletDataBroker& broker, std::string_view prefix) {
     std::unique_ptr<IStorage> storage = broker.PopNormalDataToApplet();
     for (; storage != nullptr; storage = broker.PopNormalDataToApplet()) {
         const auto data = storage->GetData();
         LOG_INFO(Service_AM,
-                 "called (STUBBED), during {} recieved normal data with size={:08X}, data={}",
-                 prefix, data.size(), Common::HexVectorToString(data));
+                 "called (STUBBED), during {} received normal data with size={:08X}, data={}",
+                 prefix, data.size(), Common::HexToString(data));
     }
 
     storage = broker.PopInteractiveDataToApplet();
     for (; storage != nullptr; storage = broker.PopInteractiveDataToApplet()) {
         const auto data = storage->GetData();
         LOG_INFO(Service_AM,
-                 "called (STUBBED), during {} recieved interactive data with size={:08X}, data={}",
-                 prefix, data.size(), Common::HexVectorToString(data));
+                 "called (STUBBED), during {} received interactive data with size={:08X}, data={}",
+                 prefix, data.size(), Common::HexToString(data));
     }
 }
 

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

@@ -53,19 +53,19 @@ void ProfileSelect::Execute() {
         return;
     }
 
-    frontend.SelectProfile([this](std::optional<Account::UUID> uuid) { SelectionComplete(uuid); });
+    frontend.SelectProfile([this](std::optional<Common::UUID> uuid) { SelectionComplete(uuid); });
 }
 
-void ProfileSelect::SelectionComplete(std::optional<Account::UUID> uuid) {
+void ProfileSelect::SelectionComplete(std::optional<Common::UUID> uuid) {
     UserSelectionOutput output{};
 
-    if (uuid.has_value() && uuid->uuid != Account::INVALID_UUID) {
+    if (uuid.has_value() && uuid->uuid != Common::INVALID_UUID) {
         output.result = 0;
         output.uuid_selected = uuid->uuid;
     } else {
         status = ERR_USER_CANCELLED_SELECTION;
         output.result = ERR_USER_CANCELLED_SELECTION.raw;
-        output.uuid_selected = Account::INVALID_UUID;
+        output.uuid_selected = Common::INVALID_UUID;
     }
 
     final_data = std::vector<u8>(sizeof(UserSelectionOutput));

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

@@ -7,7 +7,8 @@
 #include <vector>
 
 #include "common/common_funcs.h"
-#include "core/hle/service/acc/profile_manager.h"
+#include "common/uuid.h"
+#include "core/hle/result.h"
 #include "core/hle/service/am/applets/applets.h"
 
 namespace Service::AM::Applets {
@@ -38,7 +39,7 @@ public:
     void ExecuteInteractive() override;
     void Execute() override;
 
-    void SelectionComplete(std::optional<Account::UUID> uuid);
+    void SelectionComplete(std::optional<Common::UUID> uuid);
 
 private:
     const Core::Frontend::ProfileSelectApplet& frontend;

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

@@ -9,7 +9,6 @@
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/partition_filesystem.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/hle/ipc_helpers.h"
@@ -18,7 +17,6 @@
 #include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/aoc/aoc_u.h"
-#include "core/hle/service/filesystem/filesystem.h"
 #include "core/loader/loader.h"
 #include "core/settings.h"
 
@@ -75,7 +73,15 @@ AOC_U::AOC_U() : ServiceFramework("aoc:u"), add_on_content(AccumulateAOCTitleIDs
 AOC_U::~AOC_U() = default;
 
 void AOC_U::CountAddOnContent(Kernel::HLERequestContext& ctx) {
-    LOG_DEBUG(Service_AOC, "called");
+    struct Parameters {
+        u64 process_id;
+    };
+    static_assert(sizeof(Parameters) == 8);
+
+    IPC::RequestParser rp{ctx};
+    const auto params = rp.PopRaw<Parameters>();
+
+    LOG_DEBUG(Service_AOC, "called. process_id={}", params.process_id);
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
@@ -94,23 +100,32 @@ void AOC_U::CountAddOnContent(Kernel::HLERequestContext& ctx) {
 }
 
 void AOC_U::ListAddOnContent(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        u32 offset;
+        u32 count;
+        u64 process_id;
+    };
+    static_assert(sizeof(Parameters) == 16);
 
-    const auto offset = rp.PopRaw<u32>();
-    auto count = rp.PopRaw<u32>();
-    LOG_DEBUG(Service_AOC, "called with offset={}, count={}", offset, count);
+    IPC::RequestParser rp{ctx};
+    const auto [offset, count, process_id] = rp.PopRaw<Parameters>();
+
+    LOG_DEBUG(Service_AOC, "called with offset={}, count={}, process_id={}", offset, count,
+              process_id);
 
     const auto current = Core::System::GetInstance().CurrentProcess()->GetTitleID();
 
     std::vector<u32> out;
-    for (size_t i = 0; i < add_on_content.size(); ++i) {
-        if ((add_on_content[i] & DLC_BASE_TITLE_ID_MASK) == current)
-            out.push_back(static_cast<u32>(add_on_content[i] & 0x7FF));
-    }
-
     const auto& disabled = Settings::values.disabled_addons[current];
-    if (std::find(disabled.begin(), disabled.end(), "DLC") != disabled.end())
-        out = {};
+    if (std::find(disabled.begin(), disabled.end(), "DLC") == disabled.end()) {
+        for (u64 content_id : add_on_content) {
+            if ((content_id & DLC_BASE_TITLE_ID_MASK) != current) {
+                continue;
+            }
+
+            out.push_back(static_cast<u32>(content_id & 0x7FF));
+        }
+    }
 
     if (out.size() < offset) {
         IPC::ResponseBuilder rb{ctx, 2};
@@ -119,22 +134,31 @@ void AOC_U::ListAddOnContent(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    count = static_cast<u32>(std::min<size_t>(out.size() - offset, count));
+    const auto out_count = static_cast<u32>(std::min<size_t>(out.size() - offset, count));
     std::rotate(out.begin(), out.begin() + offset, out.end());
-    out.resize(count);
+    out.resize(out_count);
 
     ctx.WriteBuffer(out);
 
     IPC::ResponseBuilder rb{ctx, 3};
     rb.Push(RESULT_SUCCESS);
-    rb.Push(count);
+    rb.Push(out_count);
 }
 
 void AOC_U::GetAddOnContentBaseId(Kernel::HLERequestContext& ctx) {
-    LOG_DEBUG(Service_AOC, "called");
+    struct Parameters {
+        u64 process_id;
+    };
+    static_assert(sizeof(Parameters) == 8);
+
+    IPC::RequestParser rp{ctx};
+    const auto params = rp.PopRaw<Parameters>();
+
+    LOG_DEBUG(Service_AOC, "called. process_id={}", params.process_id);
 
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(RESULT_SUCCESS);
+
     const auto title_id = Core::System::GetInstance().CurrentProcess()->GetTitleID();
     FileSys::PatchManager pm{title_id};
 
@@ -148,10 +172,17 @@ void AOC_U::GetAddOnContentBaseId(Kernel::HLERequestContext& ctx) {
 }
 
 void AOC_U::PrepareAddOnContent(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
+    struct Parameters {
+        s32 addon_index;
+        u64 process_id;
+    };
+    static_assert(sizeof(Parameters) == 16);
 
-    const auto aoc_id = rp.PopRaw<u32>();
-    LOG_WARNING(Service_AOC, "(STUBBED) called with aoc_id={:08X}", aoc_id);
+    IPC::RequestParser rp{ctx};
+    const auto [addon_index, process_id] = rp.PopRaw<Parameters>();
+
+    LOG_WARNING(Service_AOC, "(STUBBED) called with addon_index={}, process_id={}", addon_index,
+                process_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);

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

@@ -58,8 +58,8 @@ public:
             {9, &IAudioOut::GetAudioOutBufferCount, "GetAudioOutBufferCount"},
             {10, nullptr, "GetAudioOutPlayedSampleCount"},
             {11, nullptr, "FlushAudioOutBuffers"},
-            {12, nullptr, "SetAudioOutVolume"},
-            {13, nullptr, "GetAudioOutVolume"},
+            {12, &IAudioOut::SetAudioOutVolume, "SetAudioOutVolume"},
+            {13, &IAudioOut::GetAudioOutVolume, "GetAudioOutVolume"},
         };
         // clang-format on
         RegisterHandlers(functions);
@@ -183,6 +183,25 @@ private:
         rb.Push(static_cast<u32>(stream->GetQueueSize()));
     }
 
+    void SetAudioOutVolume(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const float volume = rp.Pop<float>();
+        LOG_DEBUG(Service_Audio, "called, volume={}", volume);
+
+        stream->SetVolume(volume);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetAudioOutVolume(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Audio, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(stream->GetVolume());
+    }
+
     AudioCore::AudioOut& audio_core;
     AudioCore::StreamPtr stream;
     std::string device_name;

src/core/hle/service/ldr/ldr.cpp

@@ -310,7 +310,7 @@ public:
         if (!IsValidNROHash(hash)) {
             LOG_ERROR(Service_LDR,
                       "NRO hash is not present in any currently loaded NRRs (hash={})!",
-                      Common::HexArrayToString(hash));
+                      Common::HexToString(hash));
             IPC::ResponseBuilder rb{ctx, 2};
             rb.Push(ERROR_MISSING_NRR_HASH);
             return;

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

@@ -4,42 +4,50 @@
 
 #include <memory>
 
+#include <fmt/ostream.h>
+
 #include "common/logging/log.h"
+#include "common/string_util.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/service/mii/mii.h"
+#include "core/hle/service/mii/mii_manager.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
 
 namespace Service::Mii {
 
+constexpr ResultCode ERROR_INVALID_ARGUMENT{ErrorModule::Mii, 1};
+constexpr ResultCode ERROR_CANNOT_FIND_ENTRY{ErrorModule::Mii, 4};
+constexpr ResultCode ERROR_NOT_IN_TEST_MODE{ErrorModule::Mii, 99};
+
 class IDatabaseService final : public ServiceFramework<IDatabaseService> {
 public:
     explicit IDatabaseService() : ServiceFramework{"IDatabaseService"} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, nullptr, "IsUpdated"},
-            {1, nullptr, "IsFullDatabase"},
-            {2, nullptr, "GetCount"},
-            {3, nullptr, "Get"},
-            {4, nullptr, "Get1"},
+            {0, &IDatabaseService::IsUpdated, "IsUpdated"},
+            {1, &IDatabaseService::IsFullDatabase, "IsFullDatabase"},
+            {2, &IDatabaseService::GetCount, "GetCount"},
+            {3, &IDatabaseService::Get, "Get"},
+            {4, &IDatabaseService::Get1, "Get1"},
             {5, nullptr, "UpdateLatest"},
-            {6, nullptr, "BuildRandom"},
-            {7, nullptr, "BuildDefault"},
-            {8, nullptr, "Get2"},
-            {9, nullptr, "Get3"},
+            {6, &IDatabaseService::BuildRandom, "BuildRandom"},
+            {7, &IDatabaseService::BuildDefault, "BuildDefault"},
+            {8, &IDatabaseService::Get2, "Get2"},
+            {9, &IDatabaseService::Get3, "Get3"},
             {10, nullptr, "UpdateLatest1"},
-            {11, nullptr, "FindIndex"},
-            {12, nullptr, "Move"},
-            {13, nullptr, "AddOrReplace"},
-            {14, nullptr, "Delete"},
-            {15, nullptr, "DestroyFile"},
-            {16, nullptr, "DeleteFile"},
-            {17, nullptr, "Format"},
+            {11, &IDatabaseService::FindIndex, "FindIndex"},
+            {12, &IDatabaseService::Move, "Move"},
+            {13, &IDatabaseService::AddOrReplace, "AddOrReplace"},
+            {14, &IDatabaseService::Delete, "Delete"},
+            {15, &IDatabaseService::DestroyFile, "DestroyFile"},
+            {16, &IDatabaseService::DeleteFile, "DeleteFile"},
+            {17, &IDatabaseService::Format, "Format"},
             {18, nullptr, "Import"},
             {19, nullptr, "Export"},
             {20, nullptr, "IsBrokenDatabaseWithClearFlag"},
-            {21, nullptr, "GetIndex"},
+            {21, &IDatabaseService::GetIndex, "GetIndex"},
             {22, nullptr, "SetInterfaceVersion"},
             {23, nullptr, "Convert"},
         };
@@ -47,6 +55,305 @@ public:
 
         RegisterHandlers(functions);
     }
+
+private:
+    template <typename OutType>
+    std::vector<u8> SerializeArray(OutType (MiiManager::*getter)(u32) const, u32 offset,
+                                   u32 requested_size, u32& read_size) {
+        read_size = std::min(requested_size, db.Size() - offset);
+
+        std::vector<u8> out(read_size * sizeof(OutType));
+
+        for (u32 i = 0; i < read_size; ++i) {
+            const auto obj = (db.*getter)(offset + i);
+            std::memcpy(out.data() + i * sizeof(OutType), &obj, sizeof(OutType));
+        }
+
+        return out;
+    }
+
+    void IsUpdated(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto source{rp.PopRaw<Source>()};
+
+        LOG_DEBUG(Service_Mii, "called with source={}", source);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(db.CheckUpdatedFlag());
+        db.ResetUpdatedFlag();
+    }
+
+    void IsFullDatabase(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Mii, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(db.Full());
+    }
+
+    void GetCount(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto source{rp.PopRaw<Source>()};
+
+        LOG_DEBUG(Service_Mii, "called with source={}", source);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u32>(db.Size());
+    }
+
+    // Gets Miis from database at offset and index in format MiiInfoElement
+    void Get(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto size{rp.PopRaw<u32>()};
+        const auto source{rp.PopRaw<Source>()};
+
+        LOG_DEBUG(Service_Mii, "called with size={:08X}, offset={:08X}, source={}", size,
+                  offsets[0], source);
+
+        u32 read_size{};
+        ctx.WriteBuffer(SerializeArray(&MiiManager::GetInfoElement, offsets[0], size, read_size));
+        offsets[0] += read_size;
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u32>(read_size);
+    }
+
+    // Gets Miis from database at offset and index in format MiiInfo
+    void Get1(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto size{rp.PopRaw<u32>()};
+        const auto source{rp.PopRaw<Source>()};
+
+        LOG_DEBUG(Service_Mii, "called with size={:08X}, offset={:08X}, source={}", size,
+                  offsets[1], source);
+
+        u32 read_size{};
+        ctx.WriteBuffer(SerializeArray(&MiiManager::GetInfo, offsets[1], size, read_size));
+        offsets[1] += read_size;
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u32>(read_size);
+    }
+
+    void BuildRandom(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto [unknown1, unknown2, unknown3] = rp.PopRaw<RandomParameters>();
+
+        if (unknown1 > 3) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ERROR_INVALID_ARGUMENT);
+            LOG_ERROR(Service_Mii, "Invalid unknown1 value: {}", unknown1);
+            return;
+        }
+
+        if (unknown2 > 2) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ERROR_INVALID_ARGUMENT);
+            LOG_ERROR(Service_Mii, "Invalid unknown2 value: {}", unknown2);
+            return;
+        }
+
+        if (unknown3 > 3) {
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ERROR_INVALID_ARGUMENT);
+            LOG_ERROR(Service_Mii, "Invalid unknown3 value: {}", unknown3);
+            return;
+        }
+
+        LOG_DEBUG(Service_Mii, "called with param_1={:08X}, param_2={:08X}, param_3={:08X}",
+                  unknown1, unknown2, unknown3);
+
+        const auto info = db.CreateRandom({unknown1, unknown2, unknown3});
+        IPC::ResponseBuilder rb{ctx, 2 + sizeof(MiiInfo) / sizeof(u32)};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushRaw<MiiInfo>(info);
+    }
+
+    void BuildDefault(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto index{rp.PopRaw<u32>()};
+
+        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);
+            return;
+        }
+
+        LOG_DEBUG(Service_Mii, "called with index={:08X}", index);
+
+        const auto info = db.CreateDefault(index);
+        IPC::ResponseBuilder rb{ctx, 2 + sizeof(MiiInfo) / sizeof(u32)};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushRaw<MiiInfo>(info);
+    }
+
+    // Gets Miis from database at offset and index in format MiiStoreDataElement
+    void Get2(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto size{rp.PopRaw<u32>()};
+        const auto source{rp.PopRaw<Source>()};
+
+        LOG_DEBUG(Service_Mii, "called with size={:08X}, offset={:08X}, source={}", size,
+                  offsets[2], source);
+
+        u32 read_size{};
+        ctx.WriteBuffer(
+            SerializeArray(&MiiManager::GetStoreDataElement, offsets[2], size, read_size));
+        offsets[2] += read_size;
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u32>(read_size);
+    }
+
+    // Gets Miis from database at offset and index in format MiiStoreData
+    void Get3(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto size{rp.PopRaw<u32>()};
+        const auto source{rp.PopRaw<Source>()};
+
+        LOG_DEBUG(Service_Mii, "called with size={:08X}, offset={:08X}, source={}", size,
+                  offsets[3], source);
+
+        u32 read_size{};
+        ctx.WriteBuffer(SerializeArray(&MiiManager::GetStoreData, offsets[3], size, read_size));
+        offsets[3] += read_size;
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u32>(read_size);
+    }
+
+    void FindIndex(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto uuid{rp.PopRaw<Common::UUID>()};
+        const auto unknown{rp.PopRaw<bool>()};
+
+        LOG_DEBUG(Service_Mii, "called with uuid={}, unknown={}", uuid.FormatSwitch(), unknown);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+
+        const auto index = db.IndexOf(uuid);
+        if (index > MAX_MIIS) {
+            // TODO(DarkLordZach): Find a better error code
+            rb.Push(ResultCode(-1));
+            rb.Push(index);
+        } else {
+            rb.Push(RESULT_SUCCESS);
+            rb.Push(index);
+        }
+    }
+
+    void Move(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto uuid{rp.PopRaw<Common::UUID>()};
+        const auto index{rp.PopRaw<s32>()};
+
+        if (index < 0) {
+            LOG_ERROR(Service_Mii, "Index cannot be negative but is {:08X}!", index);
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ERROR_INVALID_ARGUMENT);
+            return;
+        }
+
+        LOG_DEBUG(Service_Mii, "called with uuid={}, index={:08X}", uuid.FormatSwitch(), index);
+
+        const auto success = db.Move(uuid, index);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        // TODO(DarkLordZach): Find a better error code
+        rb.Push(success ? RESULT_SUCCESS : ResultCode(-1));
+    }
+
+    void AddOrReplace(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto data{rp.PopRaw<MiiStoreData>()};
+
+        LOG_DEBUG(Service_Mii, "called with Mii data uuid={}, name={}", data.uuid.FormatSwitch(),
+                  Common::UTF16ToUTF8(data.Name()));
+
+        const auto success = db.AddOrReplace(data);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        // TODO(DarkLordZach): Find a better error code
+        rb.Push(success ? RESULT_SUCCESS : ResultCode(-1));
+    }
+
+    void Delete(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto uuid{rp.PopRaw<Common::UUID>()};
+
+        LOG_DEBUG(Service_Mii, "called with uuid={}", uuid.FormatSwitch());
+
+        const auto success = db.Remove(uuid);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(success ? RESULT_SUCCESS : ERROR_CANNOT_FIND_ENTRY);
+    }
+
+    void DestroyFile(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Mii, "called");
+
+        if (!db.IsTestModeEnabled()) {
+            LOG_ERROR(Service_Mii, "Database is not in test mode -- cannot destory database file.");
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ERROR_NOT_IN_TEST_MODE);
+            return;
+        }
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(db.DestroyFile());
+    }
+
+    void DeleteFile(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Mii, "called");
+
+        if (!db.IsTestModeEnabled()) {
+            LOG_ERROR(Service_Mii, "Database is not in test mode -- cannot delete database file.");
+            IPC::ResponseBuilder rb{ctx, 2};
+            rb.Push(ERROR_NOT_IN_TEST_MODE);
+            return;
+        }
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(db.DeleteFile());
+    }
+
+    void Format(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_Mii, "called");
+
+        db.Clear();
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetIndex(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto info{rp.PopRaw<MiiInfo>()};
+
+        LOG_DEBUG(Service_Mii, "called with Mii info uuid={}, name={}", info.uuid.FormatSwitch(),
+                  Common::UTF16ToUTF8(info.Name()));
+
+        const auto index = db.IndexOf(info);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(index);
+    }
+
+    MiiManager db;
+
+    // Last read offsets of Get functions
+    std::array<u32, 4> offsets{};
 };
 
 class MiiDBModule final : public ServiceFramework<MiiDBModule> {

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

@@ -0,0 +1,416 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstring>
+#include "common/assert.h"
+#include "common/file_util.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/hle/service/mii/mii_manager.h"
+
+namespace Service::Mii {
+
+namespace {
+
+constexpr char MII_SAVE_DATABASE_PATH[] = "/system/save/8000000000000030/MiiDatabase.dat";
+constexpr std::array<char16_t, 11> DEFAULT_MII_NAME = {u'y', u'u', u'z', u'u', u'\0'};
+
+// This value was retrieved from HW test
+constexpr MiiStoreData DEFAULT_MII = {
+    {
+        0x21, 0x40, 0x40, 0x01, 0x08, 0x01, 0x13, 0x08, 0x08, 0x02, 0x17, 0x8C, 0x06, 0x01,
+        0x69, 0x6D, 0x8A, 0x6A, 0x82, 0x14, 0x00, 0x00, 0x00, 0x20, 0x64, 0x72, 0x44, 0x44,
+    },
+    {'y', 'u', 'z', 'u', '\0'},
+    Common::UUID{1, 0},
+    0,
+    0,
+};
+
+// Default values taken from multiple real databases
+const MiiDatabase DEFAULT_MII_DATABASE{Common::MakeMagic('N', 'F', 'D', 'B'), {}, {1}, 0, 0};
+
+constexpr std::array<const char*, 4> SOURCE_NAMES{
+    "Database",
+    "Default",
+    "Account",
+    "Friend",
+};
+
+template <typename T, std::size_t SourceArraySize, std::size_t DestArraySize>
+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;
+}
+
+MiiInfo ConvertStoreDataToInfo(const MiiStoreData& data) {
+    MiiStoreBitFields bf{};
+    std::memcpy(&bf, data.data.data(), sizeof(MiiStoreBitFields));
+    return {
+        data.uuid,
+        ResizeArray<char16_t, 10, 11>(data.name),
+        static_cast<u8>(bf.font_region.Value()),
+        static_cast<u8>(bf.favorite_color.Value()),
+        static_cast<u8>(bf.gender.Value()),
+        static_cast<u8>(bf.height.Value()),
+        static_cast<u8>(bf.weight.Value()),
+        static_cast<u8>(bf.mii_type.Value()),
+        static_cast<u8>(bf.mii_region.Value()),
+        static_cast<u8>(bf.face_type.Value()),
+        static_cast<u8>(bf.face_color.Value()),
+        static_cast<u8>(bf.face_wrinkle.Value()),
+        static_cast<u8>(bf.face_makeup.Value()),
+        static_cast<u8>(bf.hair_type.Value()),
+        static_cast<u8>(bf.hair_color.Value()),
+        static_cast<bool>(bf.hair_flip.Value()),
+        static_cast<u8>(bf.eye_type.Value()),
+        static_cast<u8>(bf.eye_color.Value()),
+        static_cast<u8>(bf.eye_scale.Value()),
+        static_cast<u8>(bf.eye_aspect.Value()),
+        static_cast<u8>(bf.eye_rotate.Value()),
+        static_cast<u8>(bf.eye_x.Value()),
+        static_cast<u8>(bf.eye_y.Value()),
+        static_cast<u8>(bf.eyebrow_type.Value()),
+        static_cast<u8>(bf.eyebrow_color.Value()),
+        static_cast<u8>(bf.eyebrow_scale.Value()),
+        static_cast<u8>(bf.eyebrow_aspect.Value()),
+        static_cast<u8>(bf.eyebrow_rotate.Value()),
+        static_cast<u8>(bf.eyebrow_x.Value()),
+        static_cast<u8>(bf.eyebrow_y.Value()),
+        static_cast<u8>(bf.nose_type.Value()),
+        static_cast<u8>(bf.nose_scale.Value()),
+        static_cast<u8>(bf.nose_y.Value()),
+        static_cast<u8>(bf.mouth_type.Value()),
+        static_cast<u8>(bf.mouth_color.Value()),
+        static_cast<u8>(bf.mouth_scale.Value()),
+        static_cast<u8>(bf.mouth_aspect.Value()),
+        static_cast<u8>(bf.mouth_y.Value()),
+        static_cast<u8>(bf.facial_hair_color.Value()),
+        static_cast<u8>(bf.beard_type.Value()),
+        static_cast<u8>(bf.mustache_type.Value()),
+        static_cast<u8>(bf.mustache_scale.Value()),
+        static_cast<u8>(bf.mustache_y.Value()),
+        static_cast<u8>(bf.glasses_type.Value()),
+        static_cast<u8>(bf.glasses_color.Value()),
+        static_cast<u8>(bf.glasses_scale.Value()),
+        static_cast<u8>(bf.glasses_y.Value()),
+        static_cast<u8>(bf.mole_type.Value()),
+        static_cast<u8>(bf.mole_scale.Value()),
+        static_cast<u8>(bf.mole_x.Value()),
+        static_cast<u8>(bf.mole_y.Value()),
+        0x00,
+    };
+}
+MiiStoreData ConvertInfoToStoreData(const MiiInfo& info) {
+    MiiStoreData out{};
+    out.name = ResizeArray<char16_t, 11, 10>(info.name);
+    out.uuid = info.uuid;
+
+    MiiStoreBitFields bf{};
+
+    bf.hair_type.Assign(info.hair_type);
+    bf.mole_type.Assign(info.mole_type);
+    bf.height.Assign(info.height);
+    bf.hair_flip.Assign(info.hair_flip);
+    bf.weight.Assign(info.weight);
+    bf.hair_color.Assign(info.hair_color);
+
+    bf.gender.Assign(info.gender);
+    bf.eye_color.Assign(info.eye_color);
+    bf.eyebrow_color.Assign(info.eyebrow_color);
+    bf.mouth_color.Assign(info.mouth_color);
+    bf.facial_hair_color.Assign(info.facial_hair_color);
+
+    bf.mii_type.Assign(info.mii_type);
+    bf.glasses_color.Assign(info.glasses_color);
+    bf.font_region.Assign(info.font_region);
+    bf.eye_type.Assign(info.eye_type);
+    bf.mii_region.Assign(info.mii_region);
+    bf.mouth_type.Assign(info.mouth_type);
+    bf.glasses_scale.Assign(info.glasses_scale);
+    bf.eye_y.Assign(info.eye_y);
+
+    bf.mustache_type.Assign(info.mustache_type);
+    bf.eyebrow_type.Assign(info.eyebrow_type);
+    bf.beard_type.Assign(info.beard_type);
+    bf.nose_type.Assign(info.nose_type);
+    bf.mouth_aspect.Assign(info.mouth_aspect_ratio);
+    bf.nose_y.Assign(info.nose_y);
+    bf.eyebrow_aspect.Assign(info.eyebrow_aspect_ratio);
+    bf.mouth_y.Assign(info.mouth_y);
+
+    bf.eye_rotate.Assign(info.eye_rotate);
+    bf.mustache_y.Assign(info.mustache_y);
+    bf.eye_aspect.Assign(info.eye_aspect_ratio);
+    bf.glasses_y.Assign(info.glasses_y);
+    bf.eye_scale.Assign(info.eye_scale);
+    bf.mole_x.Assign(info.mole_x);
+    bf.mole_y.Assign(info.mole_y);
+
+    bf.glasses_type.Assign(info.glasses_type);
+    bf.face_type.Assign(info.face_type);
+    bf.favorite_color.Assign(info.favorite_color);
+    bf.face_wrinkle.Assign(info.face_wrinkle);
+    bf.face_color.Assign(info.face_color);
+    bf.eye_x.Assign(info.eye_x);
+    bf.face_makeup.Assign(info.face_makeup);
+
+    bf.eyebrow_rotate.Assign(info.eyebrow_rotate);
+    bf.eyebrow_scale.Assign(info.eyebrow_scale);
+    bf.eyebrow_y.Assign(info.eyebrow_y);
+    bf.eyebrow_x.Assign(info.eyebrow_x);
+    bf.mouth_scale.Assign(info.mouth_scale);
+    bf.nose_scale.Assign(info.nose_scale);
+    bf.mole_scale.Assign(info.mole_scale);
+    bf.mustache_scale.Assign(info.mustache_scale);
+
+    std::memcpy(out.data.data(), &bf, sizeof(MiiStoreBitFields));
+
+    return out;
+}
+
+} // namespace
+
+std::ostream& operator<<(std::ostream& os, Source source) {
+    os << SOURCE_NAMES.at(static_cast<std::size_t>(source));
+    return os;
+}
+
+std::u16string MiiInfo::Name() const {
+    return Common::UTF16StringFromFixedZeroTerminatedBuffer(name.data(), name.size());
+}
+
+bool operator==(const MiiInfo& lhs, const MiiInfo& rhs) {
+    return std::memcmp(&lhs, &rhs, sizeof(MiiInfo)) == 0;
+}
+
+bool operator!=(const MiiInfo& lhs, const MiiInfo& rhs) {
+    return !operator==(lhs, rhs);
+}
+
+std::u16string MiiStoreData::Name() const {
+    return Common::UTF16StringFromFixedZeroTerminatedBuffer(name.data(), name.size());
+}
+
+MiiManager::MiiManager() = default;
+
+MiiManager::~MiiManager() = default;
+
+MiiInfo MiiManager::CreateRandom(RandomParameters params) {
+    LOG_WARNING(Service_Mii,
+                "(STUBBED) called with params={:08X}{:08X}{:08X}, returning default Mii",
+                params.unknown_1, params.unknown_2, params.unknown_3);
+
+    return ConvertStoreDataToInfo(CreateMiiWithUniqueUUID());
+}
+
+MiiInfo MiiManager::CreateDefault(u32 index) {
+    const auto new_mii = CreateMiiWithUniqueUUID();
+
+    database.miis.at(index) = new_mii;
+
+    EnsureDatabasePartition();
+    return ConvertStoreDataToInfo(new_mii);
+}
+
+bool MiiManager::CheckUpdatedFlag() const {
+    return updated_flag;
+}
+
+void MiiManager::ResetUpdatedFlag() {
+    updated_flag = false;
+}
+
+bool MiiManager::IsTestModeEnabled() const {
+    return is_test_mode_enabled;
+}
+
+bool MiiManager::Empty() const {
+    return Size() == 0;
+}
+
+bool MiiManager::Full() const {
+    return Size() == MAX_MIIS;
+}
+
+void MiiManager::Clear() {
+    updated_flag = true;
+    std::fill(database.miis.begin(), database.miis.end(), MiiStoreData{});
+}
+
+u32 MiiManager::Size() const {
+    return static_cast<u32>(std::count_if(database.miis.begin(), database.miis.end(),
+                                          [](const MiiStoreData& elem) { return elem.uuid; }));
+}
+
+MiiInfo MiiManager::GetInfo(u32 index) const {
+    return ConvertStoreDataToInfo(GetStoreData(index));
+}
+
+MiiInfoElement MiiManager::GetInfoElement(u32 index) const {
+    return {GetInfo(index), Source::Database};
+}
+
+MiiStoreData MiiManager::GetStoreData(u32 index) const {
+    return database.miis.at(index);
+}
+
+MiiStoreDataElement MiiManager::GetStoreDataElement(u32 index) const {
+    return {GetStoreData(index), Source::Database};
+}
+
+bool MiiManager::Remove(Common::UUID uuid) {
+    const auto iter = std::find_if(database.miis.begin(), database.miis.end(),
+                                   [uuid](const MiiStoreData& elem) { return elem.uuid == uuid; });
+
+    if (iter == database.miis.end())
+        return false;
+
+    updated_flag = true;
+    *iter = MiiStoreData{};
+    EnsureDatabasePartition();
+    return true;
+}
+
+u32 MiiManager::IndexOf(Common::UUID uuid) const {
+    const auto iter = std::find_if(database.miis.begin(), database.miis.end(),
+                                   [uuid](const MiiStoreData& elem) { return elem.uuid == uuid; });
+
+    if (iter == database.miis.end())
+        return INVALID_INDEX;
+
+    return static_cast<u32>(std::distance(database.miis.begin(), iter));
+}
+
+u32 MiiManager::IndexOf(const MiiInfo& info) const {
+    const auto iter =
+        std::find_if(database.miis.begin(), database.miis.end(), [&info](const MiiStoreData& elem) {
+            return ConvertStoreDataToInfo(elem) == info;
+        });
+
+    if (iter == database.miis.end())
+        return INVALID_INDEX;
+
+    return static_cast<u32>(std::distance(database.miis.begin(), iter));
+}
+
+bool MiiManager::Move(Common::UUID uuid, u32 new_index) {
+    const auto index = IndexOf(uuid);
+
+    if (index == INVALID_INDEX || new_index >= MAX_MIIS)
+        return false;
+
+    updated_flag = true;
+    const auto moving = database.miis[index];
+    const auto replacing = database.miis[new_index];
+    if (replacing.uuid) {
+        database.miis[index] = replacing;
+        database.miis[new_index] = moving;
+    } else {
+        database.miis[index] = MiiStoreData{};
+        database.miis[new_index] = moving;
+    }
+
+    EnsureDatabasePartition();
+    return true;
+}
+
+bool MiiManager::AddOrReplace(const MiiStoreData& data) {
+    const auto index = IndexOf(data.uuid);
+
+    updated_flag = true;
+    if (index == INVALID_INDEX) {
+        const auto size = Size();
+        if (size == MAX_MIIS)
+            return false;
+        database.miis[size] = data;
+    } else {
+        database.miis[index] = data;
+    }
+
+    return true;
+}
+
+bool MiiManager::DestroyFile() {
+    database = DEFAULT_MII_DATABASE;
+    updated_flag = false;
+    return DeleteFile();
+}
+
+bool MiiManager::DeleteFile() {
+    const auto path = FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) + MII_SAVE_DATABASE_PATH;
+    return FileUtil::Exists(path) && FileUtil::Delete(path);
+}
+
+void MiiManager::WriteToFile() {
+    const auto raw_path =
+        FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) + "/system/save/8000000000000030";
+    if (FileUtil::Exists(raw_path) && !FileUtil::IsDirectory(raw_path))
+        FileUtil::Delete(raw_path);
+
+    const auto path = FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) + MII_SAVE_DATABASE_PATH;
+
+    if (!FileUtil::CreateFullPath(path)) {
+        LOG_WARNING(Service_Mii,
+                    "Failed to create full path of MiiDatabase.dat. Create the directory "
+                    "nand/system/save/8000000000000030 to mitigate this "
+                    "issue.");
+        return;
+    }
+
+    FileUtil::IOFile save(path, "wb");
+
+    if (!save.IsOpen()) {
+        LOG_WARNING(Service_Mii, "Failed to write save data to file... No changes to user data "
+                                 "made in current session will be saved.");
+        return;
+    }
+
+    save.Resize(sizeof(MiiDatabase));
+    if (save.WriteBytes(&database, sizeof(MiiDatabase)) != sizeof(MiiDatabase)) {
+        LOG_WARNING(Service_Mii, "Failed to write all data to save file... Data may be malformed "
+                                 "and/or regenerated on next run.");
+        save.Resize(0);
+    }
+}
+
+void MiiManager::ReadFromFile() {
+    FileUtil::IOFile save(
+        FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) + MII_SAVE_DATABASE_PATH, "rb");
+
+    if (!save.IsOpen()) {
+        LOG_WARNING(Service_ACC, "Failed to load profile data from save data... Generating new "
+                                 "blank Mii database with no Miis.");
+        std::memcpy(&database, &DEFAULT_MII_DATABASE, sizeof(MiiDatabase));
+        return;
+    }
+
+    if (save.ReadBytes(&database, sizeof(MiiDatabase)) != sizeof(MiiDatabase)) {
+        LOG_WARNING(Service_ACC, "MiiDatabase.dat is smaller than expected... Generating new blank "
+                                 "Mii database with no Miis.");
+        std::memcpy(&database, &DEFAULT_MII_DATABASE, sizeof(MiiDatabase));
+        return;
+    }
+
+    EnsureDatabasePartition();
+}
+
+MiiStoreData MiiManager::CreateMiiWithUniqueUUID() const {
+    auto new_mii = DEFAULT_MII;
+
+    do {
+        new_mii.uuid = Common::UUID::Generate();
+    } while (IndexOf(new_mii.uuid) != INVALID_INDEX);
+
+    return new_mii;
+}
+
+void MiiManager::EnsureDatabasePartition() {
+    std::stable_partition(database.miis.begin(), database.miis.end(),
+                          [](const MiiStoreData& elem) { return elem.uuid; });
+}
+
+} // namespace Service::Mii

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

@@ -0,0 +1,273 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/uuid.h"
+
+namespace Service::Mii {
+
+constexpr std::size_t MAX_MIIS = 100;
+constexpr u32 INVALID_INDEX = 0xFFFFFFFF;
+
+struct RandomParameters {
+    u32 unknown_1;
+    u32 unknown_2;
+    u32 unknown_3;
+};
+static_assert(sizeof(RandomParameters) == 0xC, "RandomParameters has incorrect size.");
+
+enum class Source : u32 {
+    Database = 0,
+    Default = 1,
+    Account = 2,
+    Friend = 3,
+};
+
+std::ostream& operator<<(std::ostream& os, Source source);
+
+struct MiiInfo {
+    Common::UUID uuid;
+    std::array<char16_t, 11> name;
+    u8 font_region;
+    u8 favorite_color;
+    u8 gender;
+    u8 height;
+    u8 weight;
+    u8 mii_type;
+    u8 mii_region;
+    u8 face_type;
+    u8 face_color;
+    u8 face_wrinkle;
+    u8 face_makeup;
+    u8 hair_type;
+    u8 hair_color;
+    bool hair_flip;
+    u8 eye_type;
+    u8 eye_color;
+    u8 eye_scale;
+    u8 eye_aspect_ratio;
+    u8 eye_rotate;
+    u8 eye_x;
+    u8 eye_y;
+    u8 eyebrow_type;
+    u8 eyebrow_color;
+    u8 eyebrow_scale;
+    u8 eyebrow_aspect_ratio;
+    u8 eyebrow_rotate;
+    u8 eyebrow_x;
+    u8 eyebrow_y;
+    u8 nose_type;
+    u8 nose_scale;
+    u8 nose_y;
+    u8 mouth_type;
+    u8 mouth_color;
+    u8 mouth_scale;
+    u8 mouth_aspect_ratio;
+    u8 mouth_y;
+    u8 facial_hair_color;
+    u8 beard_type;
+    u8 mustache_type;
+    u8 mustache_scale;
+    u8 mustache_y;
+    u8 glasses_type;
+    u8 glasses_color;
+    u8 glasses_scale;
+    u8 glasses_y;
+    u8 mole_type;
+    u8 mole_scale;
+    u8 mole_x;
+    u8 mole_y;
+    INSERT_PADDING_BYTES(1);
+
+    std::u16string Name() const;
+};
+static_assert(sizeof(MiiInfo) == 0x58, "MiiInfo has incorrect size.");
+static_assert(std::has_unique_object_representations_v<MiiInfo>,
+              "All bits of MiiInfo must contribute to its value.");
+
+bool operator==(const MiiInfo& lhs, const MiiInfo& rhs);
+bool operator!=(const MiiInfo& lhs, const MiiInfo& rhs);
+
+#pragma pack(push, 4)
+struct MiiInfoElement {
+    MiiInfo info;
+    Source source;
+};
+static_assert(sizeof(MiiInfoElement) == 0x5C, "MiiInfoElement has incorrect size.");
+
+struct MiiStoreBitFields {
+    union {
+        u32 word_0;
+
+        BitField<24, 8, u32> hair_type;
+        BitField<23, 1, u32> mole_type;
+        BitField<16, 7, u32> height;
+        BitField<15, 1, u32> hair_flip;
+        BitField<8, 7, u32> weight;
+        BitField<0, 7, u32> hair_color;
+    };
+
+    union {
+        u32 word_1;
+
+        BitField<31, 1, u32> gender;
+        BitField<24, 7, u32> eye_color;
+        BitField<16, 7, u32> eyebrow_color;
+        BitField<8, 7, u32> mouth_color;
+        BitField<0, 7, u32> facial_hair_color;
+    };
+
+    union {
+        u32 word_2;
+
+        BitField<31, 1, u32> mii_type;
+        BitField<24, 7, u32> glasses_color;
+        BitField<22, 2, u32> font_region;
+        BitField<16, 6, u32> eye_type;
+        BitField<14, 2, u32> mii_region;
+        BitField<8, 6, u32> mouth_type;
+        BitField<5, 3, u32> glasses_scale;
+        BitField<0, 5, u32> eye_y;
+    };
+
+    union {
+        u32 word_3;
+
+        BitField<29, 3, u32> mustache_type;
+        BitField<24, 5, u32> eyebrow_type;
+        BitField<21, 3, u32> beard_type;
+        BitField<16, 5, u32> nose_type;
+        BitField<13, 3, u32> mouth_aspect;
+        BitField<8, 5, u32> nose_y;
+        BitField<5, 3, u32> eyebrow_aspect;
+        BitField<0, 5, u32> mouth_y;
+    };
+
+    union {
+        u32 word_4;
+
+        BitField<29, 3, u32> eye_rotate;
+        BitField<24, 5, u32> mustache_y;
+        BitField<21, 3, u32> eye_aspect;
+        BitField<16, 5, u32> glasses_y;
+        BitField<13, 3, u32> eye_scale;
+        BitField<8, 5, u32> mole_x;
+        BitField<0, 5, u32> mole_y;
+    };
+
+    union {
+        u32 word_5;
+
+        BitField<24, 5, u32> glasses_type;
+        BitField<20, 4, u32> face_type;
+        BitField<16, 4, u32> favorite_color;
+        BitField<12, 4, u32> face_wrinkle;
+        BitField<8, 4, u32> face_color;
+        BitField<4, 4, u32> eye_x;
+        BitField<0, 4, u32> face_makeup;
+    };
+
+    union {
+        u32 word_6;
+
+        BitField<28, 4, u32> eyebrow_rotate;
+        BitField<24, 4, u32> eyebrow_scale;
+        BitField<20, 4, u32> eyebrow_y;
+        BitField<16, 4, u32> eyebrow_x;
+        BitField<12, 4, u32> mouth_scale;
+        BitField<8, 4, u32> nose_scale;
+        BitField<4, 4, u32> mole_scale;
+        BitField<0, 4, u32> mustache_scale;
+    };
+};
+static_assert(sizeof(MiiStoreBitFields) == 0x1C, "MiiStoreBitFields has incorrect size.");
+static_assert(std::is_trivially_copyable_v<MiiStoreBitFields>,
+              "MiiStoreBitFields is not trivially copyable.");
+
+struct MiiStoreData {
+    // This corresponds to the above structure MiiStoreBitFields. I did it like this because the
+    // BitField<> type makes this (and any thing that contains it) not trivially copyable, which is
+    // not suitable for our uses.
+    std::array<u8, 0x1C> data;
+    static_assert(sizeof(MiiStoreBitFields) == sizeof(data), "data field has incorrect size.");
+
+    std::array<char16_t, 10> name;
+    Common::UUID uuid;
+    u16 crc_1;
+    u16 crc_2;
+
+    std::u16string Name() const;
+};
+static_assert(sizeof(MiiStoreData) == 0x44, "MiiStoreData has incorrect size.");
+
+struct MiiStoreDataElement {
+    MiiStoreData data;
+    Source source;
+};
+static_assert(sizeof(MiiStoreDataElement) == 0x48, "MiiStoreDataElement has incorrect size.");
+
+struct MiiDatabase {
+    u32 magic; // 'NFDB'
+    std::array<MiiStoreData, MAX_MIIS> miis;
+    INSERT_PADDING_BYTES(1);
+    u8 count;
+    u16 crc;
+};
+static_assert(sizeof(MiiDatabase) == 0x1A98, "MiiDatabase has incorrect size.");
+#pragma pack(pop)
+
+// The Mii manager is responsible for loading and storing the Miis to the database in NAND along
+// with providing an easy interface for HLE emulation of the mii service.
+class MiiManager {
+public:
+    MiiManager();
+    ~MiiManager();
+
+    MiiInfo CreateRandom(RandomParameters params);
+    MiiInfo CreateDefault(u32 index);
+
+    bool CheckUpdatedFlag() const;
+    void ResetUpdatedFlag();
+
+    bool IsTestModeEnabled() const;
+
+    bool Empty() const;
+    bool Full() const;
+
+    void Clear();
+
+    u32 Size() const;
+
+    MiiInfo GetInfo(u32 index) const;
+    MiiInfoElement GetInfoElement(u32 index) const;
+    MiiStoreData GetStoreData(u32 index) const;
+    MiiStoreDataElement GetStoreDataElement(u32 index) const;
+
+    bool Remove(Common::UUID uuid);
+    u32 IndexOf(Common::UUID uuid) const;
+    u32 IndexOf(const MiiInfo& info) const;
+
+    bool Move(Common::UUID uuid, u32 new_index);
+    bool AddOrReplace(const MiiStoreData& data);
+
+    bool DestroyFile();
+    bool DeleteFile();
+
+private:
+    void WriteToFile();
+    void ReadFromFile();
+
+    MiiStoreData CreateMiiWithUniqueUUID() const;
+
+    void EnsureDatabasePartition();
+
+    MiiDatabase database;
+    bool updated_flag = false;
+    bool is_test_mode_enabled = false;
+};
+
+}; // namespace Service::Mii

src/core/hle/service/ncm/ncm.cpp

@@ -4,15 +4,89 @@
 
 #include <memory>
 
+#include "core/file_sys/romfs_factory.h"
+#include "core/hle/ipc_helpers.h"
 #include "core/hle/service/ncm/ncm.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
 
 namespace Service::NCM {
 
-class LocationResolver final : public ServiceFramework<LocationResolver> {
+class ILocationResolver final : public ServiceFramework<ILocationResolver> {
 public:
-    explicit LocationResolver() : ServiceFramework{"lr"} {
+    explicit ILocationResolver(FileSys::StorageId id)
+        : ServiceFramework{"ILocationResolver"}, storage(id) {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, nullptr, "ResolveProgramPath"},
+            {1, nullptr, "RedirectProgramPath"},
+            {2, nullptr, "ResolveApplicationControlPath"},
+            {3, nullptr, "ResolveApplicationHtmlDocumentPath"},
+            {4, nullptr, "ResolveDataPath"},
+            {5, nullptr, "RedirectApplicationControlPath"},
+            {6, nullptr, "RedirectApplicationHtmlDocumentPath"},
+            {7, nullptr, "ResolveApplicationLegalInformationPath"},
+            {8, nullptr, "RedirectApplicationLegalInformationPath"},
+            {9, nullptr, "Refresh"},
+            {10, nullptr, "RedirectProgramPath2"},
+            {11, nullptr, "Refresh2"},
+            {12, nullptr, "DeleteProgramPath"},
+            {13, nullptr, "DeleteApplicationControlPath"},
+            {14, nullptr, "DeleteApplicationHtmlDocumentPath"},
+            {15, nullptr, "DeleteApplicationLegalInformationPath"},
+            {16, nullptr, ""},
+            {17, nullptr, ""},
+            {18, nullptr, ""},
+            {19, nullptr, ""},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+
+private:
+    FileSys::StorageId storage;
+};
+
+class IRegisteredLocationResolver final : public ServiceFramework<IRegisteredLocationResolver> {
+public:
+    explicit IRegisteredLocationResolver() : ServiceFramework{"IRegisteredLocationResolver"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, nullptr, "ResolveProgramPath"},
+            {1, nullptr, "RegisterProgramPath"},
+            {2, nullptr, "UnregisterProgramPath"},
+            {3, nullptr, "RedirectProgramPath"},
+            {4, nullptr, "ResolveHtmlDocumentPath"},
+            {5, nullptr, "RegisterHtmlDocumentPath"},
+            {6, nullptr, "UnregisterHtmlDocumentPath"},
+            {7, nullptr, "RedirectHtmlDocumentPath"},
+            {8, nullptr, ""},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+};
+
+class IAddOnContentLocationResolver final : public ServiceFramework<IAddOnContentLocationResolver> {
+public:
+    explicit IAddOnContentLocationResolver() : ServiceFramework{"IAddOnContentLocationResolver"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, nullptr, "ResolveAddOnContentPath"},
+            {1, nullptr, "RegisterAddOnContentStorage"},
+            {2, nullptr, "UnregisterAllAddOnContentPath"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+};
+
+class LR final : public ServiceFramework<LR> {
+public:
+    explicit LR() : ServiceFramework{"lr"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "OpenLocationResolver"},
@@ -52,7 +126,7 @@ public:
 };
 
 void InstallInterfaces(SM::ServiceManager& sm) {
-    std::make_shared<LocationResolver>()->InstallAsService(sm);
+    std::make_shared<LR>()->InstallAsService(sm);
     std::make_shared<NCM>()->InstallAsService(sm);
 }
 

src/core/hle/service/ns/errors.h

@@ -0,0 +1,12 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/result.h"
+
+namespace Service::NS {
+
+constexpr ResultCode ERR_APPLICATION_LANGUAGE_NOT_FOUND{ErrorModule::NS, 300};
+}

src/core/hle/service/ns/language.cpp

@@ -0,0 +1,392 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/service/ns/language.h"
+#include "core/hle/service/set/set.h"
+
+namespace Service::NS {
+
+constexpr ApplicationLanguagePriorityList priority_list_american_english = {{
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_british_english = {{
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_japanese = {{
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_french = {{
+    ApplicationLanguage::French,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_german = {{
+    ApplicationLanguage::German,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::French,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_latin_american_spanish = {{
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::French,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_spanish = {{
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_italian = {{
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_dutch = {{
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_canadian_french = {{
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::French,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_portuguese = {{
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_russian = {{
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_korean = {{
+    ApplicationLanguage::Korean,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_traditional_chinese = {{
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::Korean,
+}};
+
+constexpr ApplicationLanguagePriorityList priority_list_simplified_chinese = {{
+    ApplicationLanguage::SimplifiedChinese,
+    ApplicationLanguage::TraditionalChinese,
+    ApplicationLanguage::AmericanEnglish,
+    ApplicationLanguage::BritishEnglish,
+    ApplicationLanguage::Japanese,
+    ApplicationLanguage::LatinAmericanSpanish,
+    ApplicationLanguage::CanadianFrench,
+    ApplicationLanguage::French,
+    ApplicationLanguage::German,
+    ApplicationLanguage::Spanish,
+    ApplicationLanguage::Italian,
+    ApplicationLanguage::Dutch,
+    ApplicationLanguage::Portuguese,
+    ApplicationLanguage::Russian,
+    ApplicationLanguage::Korean,
+}};
+
+const ApplicationLanguagePriorityList* GetApplicationLanguagePriorityList(
+    const ApplicationLanguage lang) {
+    switch (lang) {
+    case ApplicationLanguage::AmericanEnglish:
+        return &priority_list_american_english;
+    case ApplicationLanguage::BritishEnglish:
+        return &priority_list_british_english;
+    case ApplicationLanguage::Japanese:
+        return &priority_list_japanese;
+    case ApplicationLanguage::French:
+        return &priority_list_french;
+    case ApplicationLanguage::German:
+        return &priority_list_german;
+    case ApplicationLanguage::LatinAmericanSpanish:
+        return &priority_list_latin_american_spanish;
+    case ApplicationLanguage::Spanish:
+        return &priority_list_spanish;
+    case ApplicationLanguage::Italian:
+        return &priority_list_italian;
+    case ApplicationLanguage::Dutch:
+        return &priority_list_dutch;
+    case ApplicationLanguage::CanadianFrench:
+        return &priority_list_canadian_french;
+    case ApplicationLanguage::Portuguese:
+        return &priority_list_portuguese;
+    case ApplicationLanguage::Russian:
+        return &priority_list_russian;
+    case ApplicationLanguage::Korean:
+        return &priority_list_korean;
+    case ApplicationLanguage::TraditionalChinese:
+        return &priority_list_traditional_chinese;
+    case ApplicationLanguage::SimplifiedChinese:
+        return &priority_list_simplified_chinese;
+    default:
+        return nullptr;
+    }
+}
+
+std::optional<ApplicationLanguage> ConvertToApplicationLanguage(
+    const Set::LanguageCode language_code) {
+    switch (language_code) {
+    case Set::LanguageCode::EN_US:
+        return ApplicationLanguage::AmericanEnglish;
+    case Set::LanguageCode::EN_GB:
+        return ApplicationLanguage::BritishEnglish;
+    case Set::LanguageCode::JA:
+        return ApplicationLanguage::Japanese;
+    case Set::LanguageCode::FR:
+        return ApplicationLanguage::French;
+    case Set::LanguageCode::DE:
+        return ApplicationLanguage::German;
+    case Set::LanguageCode::ES_419:
+        return ApplicationLanguage::LatinAmericanSpanish;
+    case Set::LanguageCode::ES:
+        return ApplicationLanguage::Spanish;
+    case Set::LanguageCode::IT:
+        return ApplicationLanguage::Italian;
+    case Set::LanguageCode::NL:
+        return ApplicationLanguage::Dutch;
+    case Set::LanguageCode::FR_CA:
+        return ApplicationLanguage::CanadianFrench;
+    case Set::LanguageCode::PT:
+        return ApplicationLanguage::Portuguese;
+    case Set::LanguageCode::RU:
+        return ApplicationLanguage::Russian;
+    case Set::LanguageCode::KO:
+        return ApplicationLanguage::Korean;
+    case Set::LanguageCode::ZH_HANT:
+        return ApplicationLanguage::TraditionalChinese;
+    case Set::LanguageCode::ZH_HANS:
+        return ApplicationLanguage::SimplifiedChinese;
+    default:
+        return std::nullopt;
+    }
+}
+
+std::optional<Set::LanguageCode> ConvertToLanguageCode(const ApplicationLanguage lang) {
+    switch (lang) {
+    case ApplicationLanguage::AmericanEnglish:
+        return Set::LanguageCode::EN_US;
+    case ApplicationLanguage::BritishEnglish:
+        return Set::LanguageCode::EN_GB;
+    case ApplicationLanguage::Japanese:
+        return Set::LanguageCode::JA;
+    case ApplicationLanguage::French:
+        return Set::LanguageCode::FR;
+    case ApplicationLanguage::German:
+        return Set::LanguageCode::DE;
+    case ApplicationLanguage::LatinAmericanSpanish:
+        return Set::LanguageCode::ES_419;
+    case ApplicationLanguage::Spanish:
+        return Set::LanguageCode::ES;
+    case ApplicationLanguage::Italian:
+        return Set::LanguageCode::IT;
+    case ApplicationLanguage::Dutch:
+        return Set::LanguageCode::NL;
+    case ApplicationLanguage::CanadianFrench:
+        return Set::LanguageCode::FR_CA;
+    case ApplicationLanguage::Portuguese:
+        return Set::LanguageCode::PT;
+    case ApplicationLanguage::Russian:
+        return Set::LanguageCode::RU;
+    case ApplicationLanguage::Korean:
+        return Set::LanguageCode::KO;
+    case ApplicationLanguage::TraditionalChinese:
+        return Set::LanguageCode::ZH_HANT;
+    case ApplicationLanguage::SimplifiedChinese:
+        return Set::LanguageCode::ZH_HANS;
+    default:
+        return std::nullopt;
+    }
+}
+} // namespace Service::NS

src/core/hle/service/ns/language.h

@@ -0,0 +1,45 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <optional>
+#include <string>
+#include "common/common_types.h"
+
+namespace Service::Set {
+enum class LanguageCode : u64;
+}
+
+namespace Service::NS {
+/// This is nn::ns::detail::ApplicationLanguage
+enum class ApplicationLanguage : u8 {
+    AmericanEnglish = 0,
+    BritishEnglish,
+    Japanese,
+    French,
+    German,
+    LatinAmericanSpanish,
+    Spanish,
+    Italian,
+    Dutch,
+    CanadianFrench,
+    Portuguese,
+    Russian,
+    Korean,
+    TraditionalChinese,
+    SimplifiedChinese,
+    Count
+};
+using ApplicationLanguagePriorityList =
+    const std::array<ApplicationLanguage, static_cast<std::size_t>(ApplicationLanguage::Count)>;
+
+constexpr u32 GetSupportedLanguageFlag(const ApplicationLanguage lang) {
+    return 1U << static_cast<u32>(lang);
+}
+
+const ApplicationLanguagePriorityList* GetApplicationLanguagePriorityList(ApplicationLanguage lang);
+std::optional<ApplicationLanguage> ConvertToApplicationLanguage(Set::LanguageCode language_code);
+std::optional<Set::LanguageCode> ConvertToLanguageCode(ApplicationLanguage lang);
+} // namespace Service::NS

src/core/hle/service/ns/ns.cpp

@@ -7,445 +7,507 @@
 #include "core/file_sys/patch_manager.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/service/ns/errors.h"
+#include "core/hle/service/ns/language.h"
 #include "core/hle/service/ns/ns.h"
 #include "core/hle/service/ns/pl_u.h"
+#include "core/hle/service/set/set.h"
+#include "core/settings.h"
 
 namespace Service::NS {
 
-class IAccountProxyInterface final : public ServiceFramework<IAccountProxyInterface> {
-public:
-    explicit IAccountProxyInterface() : ServiceFramework{"IAccountProxyInterface"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, nullptr, "CreateUserAccount"},
-        };
-        // clang-format on
+IAccountProxyInterface::IAccountProxyInterface() : ServiceFramework{"IAccountProxyInterface"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "CreateUserAccount"},
+    };
+    // clang-format on
 
-        RegisterHandlers(functions);
-    }
-};
+    RegisterHandlers(functions);
+}
 
-class IApplicationManagerInterface final : public ServiceFramework<IApplicationManagerInterface> {
-public:
-    explicit IApplicationManagerInterface() : ServiceFramework{"IApplicationManagerInterface"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, nullptr, "ListApplicationRecord"},
-            {1, nullptr, "GenerateApplicationRecordCount"},
-            {2, nullptr, "GetApplicationRecordUpdateSystemEvent"},
-            {3, nullptr, "GetApplicationViewDeprecated"},
-            {4, nullptr, "DeleteApplicationEntity"},
-            {5, nullptr, "DeleteApplicationCompletely"},
-            {6, nullptr, "IsAnyApplicationEntityRedundant"},
-            {7, nullptr, "DeleteRedundantApplicationEntity"},
-            {8, nullptr, "IsApplicationEntityMovable"},
-            {9, nullptr, "MoveApplicationEntity"},
-            {11, nullptr, "CalculateApplicationOccupiedSize"},
-            {16, nullptr, "PushApplicationRecord"},
-            {17, nullptr, "ListApplicationRecordContentMeta"},
-            {19, nullptr, "LaunchApplicationOld"},
-            {21, nullptr, "GetApplicationContentPath"},
-            {22, nullptr, "TerminateApplication"},
-            {23, nullptr, "ResolveApplicationContentPath"},
-            {26, nullptr, "BeginInstallApplication"},
-            {27, nullptr, "DeleteApplicationRecord"},
-            {30, nullptr, "RequestApplicationUpdateInfo"},
-            {32, nullptr, "CancelApplicationDownload"},
-            {33, nullptr, "ResumeApplicationDownload"},
-            {35, nullptr, "UpdateVersionList"},
-            {36, nullptr, "PushLaunchVersion"},
-            {37, nullptr, "ListRequiredVersion"},
-            {38, nullptr, "CheckApplicationLaunchVersion"},
-            {39, nullptr, "CheckApplicationLaunchRights"},
-            {40, nullptr, "GetApplicationLogoData"},
-            {41, nullptr, "CalculateApplicationDownloadRequiredSize"},
-            {42, nullptr, "CleanupSdCard"},
-            {43, nullptr, "CheckSdCardMountStatus"},
-            {44, nullptr, "GetSdCardMountStatusChangedEvent"},
-            {45, nullptr, "GetGameCardAttachmentEvent"},
-            {46, nullptr, "GetGameCardAttachmentInfo"},
-            {47, nullptr, "GetTotalSpaceSize"},
-            {48, nullptr, "GetFreeSpaceSize"},
-            {49, nullptr, "GetSdCardRemovedEvent"},
-            {52, nullptr, "GetGameCardUpdateDetectionEvent"},
-            {53, nullptr, "DisableApplicationAutoDelete"},
-            {54, nullptr, "EnableApplicationAutoDelete"},
-            {55, nullptr, "GetApplicationDesiredLanguage"},
-            {56, nullptr, "SetApplicationTerminateResult"},
-            {57, nullptr, "ClearApplicationTerminateResult"},
-            {58, nullptr, "GetLastSdCardMountUnexpectedResult"},
-            {59, nullptr, "ConvertApplicationLanguageToLanguageCode"},
-            {60, nullptr, "ConvertLanguageCodeToApplicationLanguage"},
-            {61, nullptr, "GetBackgroundDownloadStressTaskInfo"},
-            {62, nullptr, "GetGameCardStopper"},
-            {63, nullptr, "IsSystemProgramInstalled"},
-            {64, nullptr, "StartApplyDeltaTask"},
-            {65, nullptr, "GetRequestServerStopper"},
-            {66, nullptr, "GetBackgroundApplyDeltaStressTaskInfo"},
-            {67, nullptr, "CancelApplicationApplyDelta"},
-            {68, nullptr, "ResumeApplicationApplyDelta"},
-            {69, nullptr, "CalculateApplicationApplyDeltaRequiredSize"},
-            {70, nullptr, "ResumeAll"},
-            {71, nullptr, "GetStorageSize"},
-            {80, nullptr, "RequestDownloadApplication"},
-            {81, nullptr, "RequestDownloadAddOnContent"},
-            {82, nullptr, "DownloadApplication"},
-            {83, nullptr, "CheckApplicationResumeRights"},
-            {84, nullptr, "GetDynamicCommitEvent"},
-            {85, nullptr, "RequestUpdateApplication2"},
-            {86, nullptr, "EnableApplicationCrashReport"},
-            {87, nullptr, "IsApplicationCrashReportEnabled"},
-            {90, nullptr, "BoostSystemMemoryResourceLimit"},
-            {91, nullptr, "DeprecatedLaunchApplication"},
-            {92, nullptr, "GetRunningApplicationProgramId"},
-            {93, nullptr, "GetMainApplicationProgramIndex"},
-            {94, nullptr, "LaunchApplication"},
-            {95, nullptr, "GetApplicationLaunchInfo"},
-            {96, nullptr, "AcquireApplicationLaunchInfo"},
-            {97, nullptr, "GetMainApplicationProgramIndex2"},
-            {98, nullptr, "EnableApplicationAllThreadDumpOnCrash"},
-            {100, nullptr, "ResetToFactorySettings"},
-            {101, nullptr, "ResetToFactorySettingsWithoutUserSaveData"},
-            {102, nullptr, "ResetToFactorySettingsForRefurbishment"},
-            {200, nullptr, "CalculateUserSaveDataStatistics"},
-            {201, nullptr, "DeleteUserSaveDataAll"},
-            {210, nullptr, "DeleteUserSystemSaveData"},
-            {211, nullptr, "DeleteSaveData"},
-            {220, nullptr, "UnregisterNetworkServiceAccount"},
-            {221, nullptr, "UnregisterNetworkServiceAccountWithUserSaveDataDeletion"},
-            {300, nullptr, "GetApplicationShellEvent"},
-            {301, nullptr, "PopApplicationShellEventInfo"},
-            {302, nullptr, "LaunchLibraryApplet"},
-            {303, nullptr, "TerminateLibraryApplet"},
-            {304, nullptr, "LaunchSystemApplet"},
-            {305, nullptr, "TerminateSystemApplet"},
-            {306, nullptr, "LaunchOverlayApplet"},
-            {307, nullptr, "TerminateOverlayApplet"},
-            {400, &IApplicationManagerInterface::GetApplicationControlData, "GetApplicationControlData"},
-            {401, nullptr, "InvalidateAllApplicationControlCache"},
-            {402, nullptr, "RequestDownloadApplicationControlData"},
-            {403, nullptr, "GetMaxApplicationControlCacheCount"},
-            {404, nullptr, "InvalidateApplicationControlCache"},
-            {405, nullptr, "ListApplicationControlCacheEntryInfo"},
-            {406, nullptr, "GetApplicationControlProperty"},
-            {502, nullptr, "RequestCheckGameCardRegistration"},
-            {503, nullptr, "RequestGameCardRegistrationGoldPoint"},
-            {504, nullptr, "RequestRegisterGameCard"},
-            {505, nullptr, "GetGameCardMountFailureEvent"},
-            {506, nullptr, "IsGameCardInserted"},
-            {507, nullptr, "EnsureGameCardAccess"},
-            {508, nullptr, "GetLastGameCardMountFailureResult"},
-            {509, nullptr, "ListApplicationIdOnGameCard"},
-            {600, nullptr, "CountApplicationContentMeta"},
-            {601, nullptr, "ListApplicationContentMetaStatus"},
-            {602, nullptr, "ListAvailableAddOnContent"},
-            {603, nullptr, "GetOwnedApplicationContentMetaStatus"},
-            {604, nullptr, "RegisterContentsExternalKey"},
-            {605, nullptr, "ListApplicationContentMetaStatusWithRightsCheck"},
-            {606, nullptr, "GetContentMetaStorage"},
-            {607, nullptr, "ListAvailableAddOnContent"},
-            {700, nullptr, "PushDownloadTaskList"},
-            {701, nullptr, "ClearTaskStatusList"},
-            {702, nullptr, "RequestDownloadTaskList"},
-            {703, nullptr, "RequestEnsureDownloadTask"},
-            {704, nullptr, "ListDownloadTaskStatus"},
-            {705, nullptr, "RequestDownloadTaskListData"},
-            {800, nullptr, "RequestVersionList"},
-            {801, nullptr, "ListVersionList"},
-            {802, nullptr, "RequestVersionListData"},
-            {900, nullptr, "GetApplicationRecord"},
-            {901, nullptr, "GetApplicationRecordProperty"},
-            {902, nullptr, "EnableApplicationAutoUpdate"},
-            {903, nullptr, "DisableApplicationAutoUpdate"},
-            {904, nullptr, "TouchApplication"},
-            {905, nullptr, "RequestApplicationUpdate"},
-            {906, nullptr, "IsApplicationUpdateRequested"},
-            {907, nullptr, "WithdrawApplicationUpdateRequest"},
-            {908, nullptr, "ListApplicationRecordInstalledContentMeta"},
-            {909, nullptr, "WithdrawCleanupAddOnContentsWithNoRightsRecommendation"},
-            {910, nullptr, "HasApplicationRecord"},
-            {911, nullptr, "SetPreInstalledApplication"},
-            {912, nullptr, "ClearPreInstalledApplicationFlag"},
-            {1000, nullptr, "RequestVerifyApplicationDeprecated"},
-            {1001, nullptr, "CorruptApplicationForDebug"},
-            {1002, nullptr, "RequestVerifyAddOnContentsRights"},
-            {1003, nullptr, "RequestVerifyApplication"},
-            {1004, nullptr, "CorruptContentForDebug"},
-            {1200, nullptr, "NeedsUpdateVulnerability"},
-            {1300, nullptr, "IsAnyApplicationEntityInstalled"},
-            {1301, nullptr, "DeleteApplicationContentEntities"},
-            {1302, nullptr, "CleanupUnrecordedApplicationEntity"},
-            {1303, nullptr, "CleanupAddOnContentsWithNoRights"},
-            {1304, nullptr, "DeleteApplicationContentEntity"},
-            {1305, nullptr, "TryDeleteRunningApplicationEntity"},
-            {1306, nullptr, "TryDeleteRunningApplicationCompletely"},
-            {1307, nullptr, "TryDeleteRunningApplicationContentEntities"},
-            {1308, nullptr, "DeleteApplicationCompletelyForDebug"},
-            {1309, nullptr, "CleanupUnavailableAddOnContents"},
-            {1400, nullptr, "PrepareShutdown"},
-            {1500, nullptr, "FormatSdCard"},
-            {1501, nullptr, "NeedsSystemUpdateToFormatSdCard"},
-            {1502, nullptr, "GetLastSdCardFormatUnexpectedResult"},
-            {1504, nullptr, "InsertSdCard"},
-            {1505, nullptr, "RemoveSdCard"},
-            {1600, nullptr, "GetSystemSeedForPseudoDeviceId"},
-            {1601, nullptr, "ResetSystemSeedForPseudoDeviceId"},
-            {1700, nullptr, "ListApplicationDownloadingContentMeta"},
-            {1701, nullptr, "GetApplicationView"},
-            {1702, nullptr, "GetApplicationDownloadTaskStatus"},
-            {1703, nullptr, "GetApplicationViewDownloadErrorContext"},
-            {1800, nullptr, "IsNotificationSetupCompleted"},
-            {1801, nullptr, "GetLastNotificationInfoCount"},
-            {1802, nullptr, "ListLastNotificationInfo"},
-            {1803, nullptr, "ListNotificationTask"},
-            {1900, nullptr, "IsActiveAccount"},
-            {1901, nullptr, "RequestDownloadApplicationPrepurchasedRights"},
-            {1902, nullptr, "GetApplicationTicketInfo"},
-            {2000, nullptr, "GetSystemDeliveryInfo"},
-            {2001, nullptr, "SelectLatestSystemDeliveryInfo"},
-            {2002, nullptr, "VerifyDeliveryProtocolVersion"},
-            {2003, nullptr, "GetApplicationDeliveryInfo"},
-            {2004, nullptr, "HasAllContentsToDeliver"},
-            {2005, nullptr, "CompareApplicationDeliveryInfo"},
-            {2006, nullptr, "CanDeliverApplication"},
-            {2007, nullptr, "ListContentMetaKeyToDeliverApplication"},
-            {2008, nullptr, "NeedsSystemUpdateToDeliverApplication"},
-            {2009, nullptr, "EstimateRequiredSize"},
-            {2010, nullptr, "RequestReceiveApplication"},
-            {2011, nullptr, "CommitReceiveApplication"},
-            {2012, nullptr, "GetReceiveApplicationProgress"},
-            {2013, nullptr, "RequestSendApplication"},
-            {2014, nullptr, "GetSendApplicationProgress"},
-            {2015, nullptr, "CompareSystemDeliveryInfo"},
-            {2016, nullptr, "ListNotCommittedContentMeta"},
-            {2017, nullptr, "CreateDownloadTask"},
-            {2018, nullptr, "GetApplicationDeliveryInfoHash"},
-            {2050, nullptr, "GetApplicationRightsOnClient"},
-            {2100, nullptr, "GetApplicationTerminateResult"},
-            {2101, nullptr, "GetRawApplicationTerminateResult"},
-            {2150, nullptr, "CreateRightsEnvironment"},
-            {2151, nullptr, "DestroyRightsEnvironment"},
-            {2152, nullptr, "ActivateRightsEnvironment"},
-            {2153, nullptr, "DeactivateRightsEnvironment"},
-            {2154, nullptr, "ForceActivateRightsContextForExit"},
-            {2160, nullptr, "AddTargetApplicationToRightsEnvironment"},
-            {2161, nullptr, "SetUsersToRightsEnvironment"},
-            {2170, nullptr, "GetRightsEnvironmentStatus"},
-            {2171, nullptr, "GetRightsEnvironmentStatusChangedEvent"},
-            {2180, nullptr, "RequestExtendRightsInRightsEnvironment"},
-            {2181, nullptr, "GetLastResultOfExtendRightsInRightsEnvironment"},
-            {2182, nullptr, "SetActiveRightsContextUsingStateToRightsEnvironment"},
-            {2190, nullptr, "GetRightsEnvironmentHandleForApplication"},
-            {2199, nullptr, "GetRightsEnvironmentCountForDebug"},
-            {2200, nullptr, "GetGameCardApplicationCopyIdentifier"},
-            {2201, nullptr, "GetInstalledApplicationCopyIdentifier"},
-            {2250, nullptr, "RequestReportActiveELicence"},
-            {2300, nullptr, "ListEventLog"},
-        };
-        // clang-format on
+IAccountProxyInterface::~IAccountProxyInterface() = default;
 
-        RegisterHandlers(functions);
-    }
+IApplicationManagerInterface::IApplicationManagerInterface()
+    : ServiceFramework{"IApplicationManagerInterface"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "ListApplicationRecord"},
+        {1, nullptr, "GenerateApplicationRecordCount"},
+        {2, nullptr, "GetApplicationRecordUpdateSystemEvent"},
+        {3, nullptr, "GetApplicationViewDeprecated"},
+        {4, nullptr, "DeleteApplicationEntity"},
+        {5, nullptr, "DeleteApplicationCompletely"},
+        {6, nullptr, "IsAnyApplicationEntityRedundant"},
+        {7, nullptr, "DeleteRedundantApplicationEntity"},
+        {8, nullptr, "IsApplicationEntityMovable"},
+        {9, nullptr, "MoveApplicationEntity"},
+        {11, nullptr, "CalculateApplicationOccupiedSize"},
+        {16, nullptr, "PushApplicationRecord"},
+        {17, nullptr, "ListApplicationRecordContentMeta"},
+        {19, nullptr, "LaunchApplicationOld"},
+        {21, nullptr, "GetApplicationContentPath"},
+        {22, nullptr, "TerminateApplication"},
+        {23, nullptr, "ResolveApplicationContentPath"},
+        {26, nullptr, "BeginInstallApplication"},
+        {27, nullptr, "DeleteApplicationRecord"},
+        {30, nullptr, "RequestApplicationUpdateInfo"},
+        {32, nullptr, "CancelApplicationDownload"},
+        {33, nullptr, "ResumeApplicationDownload"},
+        {35, nullptr, "UpdateVersionList"},
+        {36, nullptr, "PushLaunchVersion"},
+        {37, nullptr, "ListRequiredVersion"},
+        {38, nullptr, "CheckApplicationLaunchVersion"},
+        {39, nullptr, "CheckApplicationLaunchRights"},
+        {40, nullptr, "GetApplicationLogoData"},
+        {41, nullptr, "CalculateApplicationDownloadRequiredSize"},
+        {42, nullptr, "CleanupSdCard"},
+        {43, nullptr, "CheckSdCardMountStatus"},
+        {44, nullptr, "GetSdCardMountStatusChangedEvent"},
+        {45, nullptr, "GetGameCardAttachmentEvent"},
+        {46, nullptr, "GetGameCardAttachmentInfo"},
+        {47, nullptr, "GetTotalSpaceSize"},
+        {48, nullptr, "GetFreeSpaceSize"},
+        {49, nullptr, "GetSdCardRemovedEvent"},
+        {52, nullptr, "GetGameCardUpdateDetectionEvent"},
+        {53, nullptr, "DisableApplicationAutoDelete"},
+        {54, nullptr, "EnableApplicationAutoDelete"},
+        {55, &IApplicationManagerInterface::GetApplicationDesiredLanguage, "GetApplicationDesiredLanguage"},
+        {56, nullptr, "SetApplicationTerminateResult"},
+        {57, nullptr, "ClearApplicationTerminateResult"},
+        {58, nullptr, "GetLastSdCardMountUnexpectedResult"},
+        {59, &IApplicationManagerInterface::ConvertApplicationLanguageToLanguageCode, "ConvertApplicationLanguageToLanguageCode"},
+        {60, nullptr, "ConvertLanguageCodeToApplicationLanguage"},
+        {61, nullptr, "GetBackgroundDownloadStressTaskInfo"},
+        {62, nullptr, "GetGameCardStopper"},
+        {63, nullptr, "IsSystemProgramInstalled"},
+        {64, nullptr, "StartApplyDeltaTask"},
+        {65, nullptr, "GetRequestServerStopper"},
+        {66, nullptr, "GetBackgroundApplyDeltaStressTaskInfo"},
+        {67, nullptr, "CancelApplicationApplyDelta"},
+        {68, nullptr, "ResumeApplicationApplyDelta"},
+        {69, nullptr, "CalculateApplicationApplyDeltaRequiredSize"},
+        {70, nullptr, "ResumeAll"},
+        {71, nullptr, "GetStorageSize"},
+        {80, nullptr, "RequestDownloadApplication"},
+        {81, nullptr, "RequestDownloadAddOnContent"},
+        {82, nullptr, "DownloadApplication"},
+        {83, nullptr, "CheckApplicationResumeRights"},
+        {84, nullptr, "GetDynamicCommitEvent"},
+        {85, nullptr, "RequestUpdateApplication2"},
+        {86, nullptr, "EnableApplicationCrashReport"},
+        {87, nullptr, "IsApplicationCrashReportEnabled"},
+        {90, nullptr, "BoostSystemMemoryResourceLimit"},
+        {91, nullptr, "DeprecatedLaunchApplication"},
+        {92, nullptr, "GetRunningApplicationProgramId"},
+        {93, nullptr, "GetMainApplicationProgramIndex"},
+        {94, nullptr, "LaunchApplication"},
+        {95, nullptr, "GetApplicationLaunchInfo"},
+        {96, nullptr, "AcquireApplicationLaunchInfo"},
+        {97, nullptr, "GetMainApplicationProgramIndex2"},
+        {98, nullptr, "EnableApplicationAllThreadDumpOnCrash"},
+        {100, nullptr, "ResetToFactorySettings"},
+        {101, nullptr, "ResetToFactorySettingsWithoutUserSaveData"},
+        {102, nullptr, "ResetToFactorySettingsForRefurbishment"},
+        {200, nullptr, "CalculateUserSaveDataStatistics"},
+        {201, nullptr, "DeleteUserSaveDataAll"},
+        {210, nullptr, "DeleteUserSystemSaveData"},
+        {211, nullptr, "DeleteSaveData"},
+        {220, nullptr, "UnregisterNetworkServiceAccount"},
+        {221, nullptr, "UnregisterNetworkServiceAccountWithUserSaveDataDeletion"},
+        {300, nullptr, "GetApplicationShellEvent"},
+        {301, nullptr, "PopApplicationShellEventInfo"},
+        {302, nullptr, "LaunchLibraryApplet"},
+        {303, nullptr, "TerminateLibraryApplet"},
+        {304, nullptr, "LaunchSystemApplet"},
+        {305, nullptr, "TerminateSystemApplet"},
+        {306, nullptr, "LaunchOverlayApplet"},
+        {307, nullptr, "TerminateOverlayApplet"},
+        {400, &IApplicationManagerInterface::GetApplicationControlData, "GetApplicationControlData"},
+        {401, nullptr, "InvalidateAllApplicationControlCache"},
+        {402, nullptr, "RequestDownloadApplicationControlData"},
+        {403, nullptr, "GetMaxApplicationControlCacheCount"},
+        {404, nullptr, "InvalidateApplicationControlCache"},
+        {405, nullptr, "ListApplicationControlCacheEntryInfo"},
+        {406, nullptr, "GetApplicationControlProperty"},
+        {502, nullptr, "RequestCheckGameCardRegistration"},
+        {503, nullptr, "RequestGameCardRegistrationGoldPoint"},
+        {504, nullptr, "RequestRegisterGameCard"},
+        {505, nullptr, "GetGameCardMountFailureEvent"},
+        {506, nullptr, "IsGameCardInserted"},
+        {507, nullptr, "EnsureGameCardAccess"},
+        {508, nullptr, "GetLastGameCardMountFailureResult"},
+        {509, nullptr, "ListApplicationIdOnGameCard"},
+        {600, nullptr, "CountApplicationContentMeta"},
+        {601, nullptr, "ListApplicationContentMetaStatus"},
+        {602, nullptr, "ListAvailableAddOnContent"},
+        {603, nullptr, "GetOwnedApplicationContentMetaStatus"},
+        {604, nullptr, "RegisterContentsExternalKey"},
+        {605, nullptr, "ListApplicationContentMetaStatusWithRightsCheck"},
+        {606, nullptr, "GetContentMetaStorage"},
+        {607, nullptr, "ListAvailableAddOnContent"},
+        {700, nullptr, "PushDownloadTaskList"},
+        {701, nullptr, "ClearTaskStatusList"},
+        {702, nullptr, "RequestDownloadTaskList"},
+        {703, nullptr, "RequestEnsureDownloadTask"},
+        {704, nullptr, "ListDownloadTaskStatus"},
+        {705, nullptr, "RequestDownloadTaskListData"},
+        {800, nullptr, "RequestVersionList"},
+        {801, nullptr, "ListVersionList"},
+        {802, nullptr, "RequestVersionListData"},
+        {900, nullptr, "GetApplicationRecord"},
+        {901, nullptr, "GetApplicationRecordProperty"},
+        {902, nullptr, "EnableApplicationAutoUpdate"},
+        {903, nullptr, "DisableApplicationAutoUpdate"},
+        {904, nullptr, "TouchApplication"},
+        {905, nullptr, "RequestApplicationUpdate"},
+        {906, nullptr, "IsApplicationUpdateRequested"},
+        {907, nullptr, "WithdrawApplicationUpdateRequest"},
+        {908, nullptr, "ListApplicationRecordInstalledContentMeta"},
+        {909, nullptr, "WithdrawCleanupAddOnContentsWithNoRightsRecommendation"},
+        {910, nullptr, "HasApplicationRecord"},
+        {911, nullptr, "SetPreInstalledApplication"},
+        {912, nullptr, "ClearPreInstalledApplicationFlag"},
+        {1000, nullptr, "RequestVerifyApplicationDeprecated"},
+        {1001, nullptr, "CorruptApplicationForDebug"},
+        {1002, nullptr, "RequestVerifyAddOnContentsRights"},
+        {1003, nullptr, "RequestVerifyApplication"},
+        {1004, nullptr, "CorruptContentForDebug"},
+        {1200, nullptr, "NeedsUpdateVulnerability"},
+        {1300, nullptr, "IsAnyApplicationEntityInstalled"},
+        {1301, nullptr, "DeleteApplicationContentEntities"},
+        {1302, nullptr, "CleanupUnrecordedApplicationEntity"},
+        {1303, nullptr, "CleanupAddOnContentsWithNoRights"},
+        {1304, nullptr, "DeleteApplicationContentEntity"},
+        {1305, nullptr, "TryDeleteRunningApplicationEntity"},
+        {1306, nullptr, "TryDeleteRunningApplicationCompletely"},
+        {1307, nullptr, "TryDeleteRunningApplicationContentEntities"},
+        {1308, nullptr, "DeleteApplicationCompletelyForDebug"},
+        {1309, nullptr, "CleanupUnavailableAddOnContents"},
+        {1400, nullptr, "PrepareShutdown"},
+        {1500, nullptr, "FormatSdCard"},
+        {1501, nullptr, "NeedsSystemUpdateToFormatSdCard"},
+        {1502, nullptr, "GetLastSdCardFormatUnexpectedResult"},
+        {1504, nullptr, "InsertSdCard"},
+        {1505, nullptr, "RemoveSdCard"},
+        {1600, nullptr, "GetSystemSeedForPseudoDeviceId"},
+        {1601, nullptr, "ResetSystemSeedForPseudoDeviceId"},
+        {1700, nullptr, "ListApplicationDownloadingContentMeta"},
+        {1701, nullptr, "GetApplicationView"},
+        {1702, nullptr, "GetApplicationDownloadTaskStatus"},
+        {1703, nullptr, "GetApplicationViewDownloadErrorContext"},
+        {1800, nullptr, "IsNotificationSetupCompleted"},
+        {1801, nullptr, "GetLastNotificationInfoCount"},
+        {1802, nullptr, "ListLastNotificationInfo"},
+        {1803, nullptr, "ListNotificationTask"},
+        {1900, nullptr, "IsActiveAccount"},
+        {1901, nullptr, "RequestDownloadApplicationPrepurchasedRights"},
+        {1902, nullptr, "GetApplicationTicketInfo"},
+        {2000, nullptr, "GetSystemDeliveryInfo"},
+        {2001, nullptr, "SelectLatestSystemDeliveryInfo"},
+        {2002, nullptr, "VerifyDeliveryProtocolVersion"},
+        {2003, nullptr, "GetApplicationDeliveryInfo"},
+        {2004, nullptr, "HasAllContentsToDeliver"},
+        {2005, nullptr, "CompareApplicationDeliveryInfo"},
+        {2006, nullptr, "CanDeliverApplication"},
+        {2007, nullptr, "ListContentMetaKeyToDeliverApplication"},
+        {2008, nullptr, "NeedsSystemUpdateToDeliverApplication"},
+        {2009, nullptr, "EstimateRequiredSize"},
+        {2010, nullptr, "RequestReceiveApplication"},
+        {2011, nullptr, "CommitReceiveApplication"},
+        {2012, nullptr, "GetReceiveApplicationProgress"},
+        {2013, nullptr, "RequestSendApplication"},
+        {2014, nullptr, "GetSendApplicationProgress"},
+        {2015, nullptr, "CompareSystemDeliveryInfo"},
+        {2016, nullptr, "ListNotCommittedContentMeta"},
+        {2017, nullptr, "CreateDownloadTask"},
+        {2018, nullptr, "GetApplicationDeliveryInfoHash"},
+        {2050, nullptr, "GetApplicationRightsOnClient"},
+        {2100, nullptr, "GetApplicationTerminateResult"},
+        {2101, nullptr, "GetRawApplicationTerminateResult"},
+        {2150, nullptr, "CreateRightsEnvironment"},
+        {2151, nullptr, "DestroyRightsEnvironment"},
+        {2152, nullptr, "ActivateRightsEnvironment"},
+        {2153, nullptr, "DeactivateRightsEnvironment"},
+        {2154, nullptr, "ForceActivateRightsContextForExit"},
+        {2160, nullptr, "AddTargetApplicationToRightsEnvironment"},
+        {2161, nullptr, "SetUsersToRightsEnvironment"},
+        {2170, nullptr, "GetRightsEnvironmentStatus"},
+        {2171, nullptr, "GetRightsEnvironmentStatusChangedEvent"},
+        {2180, nullptr, "RequestExtendRightsInRightsEnvironment"},
+        {2181, nullptr, "GetLastResultOfExtendRightsInRightsEnvironment"},
+        {2182, nullptr, "SetActiveRightsContextUsingStateToRightsEnvironment"},
+        {2190, nullptr, "GetRightsEnvironmentHandleForApplication"},
+        {2199, nullptr, "GetRightsEnvironmentCountForDebug"},
+        {2200, nullptr, "GetGameCardApplicationCopyIdentifier"},
+        {2201, nullptr, "GetInstalledApplicationCopyIdentifier"},
+        {2250, nullptr, "RequestReportActiveELicence"},
+        {2300, nullptr, "ListEventLog"},
+    };
+    // clang-format on
 
-    void GetApplicationControlData(Kernel::HLERequestContext& ctx) {
-        IPC::RequestParser rp{ctx};
-        const auto flag = rp.PopRaw<u64>();
-        LOG_DEBUG(Service_NS, "called with flag={:016X}", flag);
+    RegisterHandlers(functions);
+}
 
-        const auto title_id = rp.PopRaw<u64>();
+IApplicationManagerInterface::~IApplicationManagerInterface() = default;
 
-        const auto size = ctx.GetWriteBufferSize();
+void IApplicationManagerInterface::GetApplicationControlData(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto flag = rp.PopRaw<u64>();
+    LOG_DEBUG(Service_NS, "called with flag={:016X}", flag);
 
-        const FileSys::PatchManager pm{title_id};
-        const auto control = pm.GetControlMetadata();
+    const auto title_id = rp.PopRaw<u64>();
 
-        std::vector<u8> out;
+    const auto size = ctx.GetWriteBufferSize();
 
-        if (control.first != nullptr) {
-            if (size < 0x4000) {
-                LOG_ERROR(Service_NS,
-                          "output buffer is too small! (actual={:016X}, expected_min=0x4000)",
-                          size);
-                IPC::ResponseBuilder rb{ctx, 2};
-                // TODO(DarkLordZach): Find a better error code for this.
-                rb.Push(ResultCode(-1));
-                return;
-            }
+    const FileSys::PatchManager pm{title_id};
+    const auto control = pm.GetControlMetadata();
 
-            out.resize(0x4000);
-            const auto bytes = control.first->GetRawBytes();
-            std::memcpy(out.data(), bytes.data(), bytes.size());
-        } else {
-            LOG_WARNING(Service_NS, "missing NACP data for title_id={:016X}, defaulting to zeros.",
-                        title_id);
-            out.resize(std::min<u64>(0x4000, size));
+    std::vector<u8> out;
+
+    if (control.first != nullptr) {
+        if (size < 0x4000) {
+            LOG_ERROR(Service_NS,
+                      "output buffer is too small! (actual={:016X}, expected_min=0x4000)", size);
+            IPC::ResponseBuilder rb{ctx, 2};
+            // TODO(DarkLordZach): Find a better error code for this.
+            rb.Push(ResultCode(-1));
+            return;
         }
 
-        if (control.second != nullptr) {
-            if (size < 0x4000 + control.second->GetSize()) {
-                LOG_ERROR(Service_NS,
-                          "output buffer is too small! (actual={:016X}, expected_min={:016X})",
-                          size, 0x4000 + control.second->GetSize());
-                IPC::ResponseBuilder rb{ctx, 2};
-                // TODO(DarkLordZach): Find a better error code for this.
-                rb.Push(ResultCode(-1));
-                return;
-            }
+        out.resize(0x4000);
+        const auto bytes = control.first->GetRawBytes();
+        std::memcpy(out.data(), bytes.data(), bytes.size());
+    } else {
+        LOG_WARNING(Service_NS, "missing NACP data for title_id={:016X}, defaulting to zeros.",
+                    title_id);
+        out.resize(std::min<u64>(0x4000, size));
+    }
 
-            out.resize(0x4000 + control.second->GetSize());
-            control.second->Read(out.data() + 0x4000, control.second->GetSize());
-        } else {
-            LOG_WARNING(Service_NS, "missing icon data for title_id={:016X}, defaulting to zeros.",
-                        title_id);
+    if (control.second != nullptr) {
+        if (size < 0x4000 + control.second->GetSize()) {
+            LOG_ERROR(Service_NS,
+                      "output buffer is too small! (actual={:016X}, expected_min={:016X})", size,
+                      0x4000 + control.second->GetSize());
+            IPC::ResponseBuilder rb{ctx, 2};
+            // TODO(DarkLordZach): Find a better error code for this.
+            rb.Push(ResultCode(-1));
+            return;
         }
 
-        ctx.WriteBuffer(out);
+        out.resize(0x4000 + control.second->GetSize());
+        control.second->Read(out.data() + 0x4000, control.second->GetSize());
+    } else {
+        LOG_WARNING(Service_NS, "missing icon data for title_id={:016X}, defaulting to zeros.",
+                    title_id);
+    }
 
+    ctx.WriteBuffer(out);
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(static_cast<u32>(out.size()));
+}
+
+void IApplicationManagerInterface::GetApplicationDesiredLanguage(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto supported_languages = rp.Pop<u32>();
+
+    const auto res = GetApplicationDesiredLanguage(supported_languages);
+    if (res.Succeeded()) {
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
-        rb.Push<u32>(static_cast<u32>(out.size()));
+        rb.Push<u32>(*res);
+    } else {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res.Code());
     }
-};
+}
 
-class IApplicationVersionInterface final : public ServiceFramework<IApplicationVersionInterface> {
-public:
-    explicit IApplicationVersionInterface() : ServiceFramework{"IApplicationVersionInterface"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, nullptr, "GetLaunchRequiredVersion"},
-            {1, nullptr, "UpgradeLaunchRequiredVersion"},
-            {35, nullptr, "UpdateVersionList"},
-            {36, nullptr, "PushLaunchVersion"},
-            {37, nullptr, "ListRequiredVersion"},
-            {800, nullptr, "RequestVersionList"},
-            {801, nullptr, "ListVersionList"},
-            {802, nullptr, "RequestVersionListData"},
-            {1000, nullptr, "PerformAutoUpdate"},
-        };
-        // clang-format on
+ResultVal<u8> IApplicationManagerInterface::GetApplicationDesiredLanguage(
+    const u32 supported_languages) {
+    LOG_DEBUG(Service_NS, "called with supported_languages={:08X}", supported_languages);
 
-        RegisterHandlers(functions);
+    // Get language code from settings
+    const auto language_code = Set::GetLanguageCodeFromIndex(Settings::values.language_index);
+
+    // Convert to application language, get priority list
+    const auto application_language = ConvertToApplicationLanguage(language_code);
+    if (application_language == std::nullopt) {
+        return ERR_APPLICATION_LANGUAGE_NOT_FOUND;
     }
-};
-
-class IContentManagerInterface final : public ServiceFramework<IContentManagerInterface> {
-public:
-    explicit IContentManagerInterface() : ServiceFramework{"IContentManagerInterface"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {11, nullptr, "CalculateApplicationOccupiedSize"},
-            {43, nullptr, "CheckSdCardMountStatus"},
-            {47, nullptr, "GetTotalSpaceSize"},
-            {48, nullptr, "GetFreeSpaceSize"},
-            {600, nullptr, "CountApplicationContentMeta"},
-            {601, nullptr, "ListApplicationContentMetaStatus"},
-            {605, nullptr, "ListApplicationContentMetaStatusWithRightsCheck"},
-            {607, nullptr, "IsAnyApplicationRunning"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
+    const auto priority_list = GetApplicationLanguagePriorityList(*application_language);
+    if (!priority_list) {
+        return ERR_APPLICATION_LANGUAGE_NOT_FOUND;
     }
-};
 
-class IDocumentInterface final : public ServiceFramework<IDocumentInterface> {
-public:
-    explicit IDocumentInterface() : ServiceFramework{"IDocumentInterface"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {21, nullptr, "GetApplicationContentPath"},
-            {23, nullptr, "ResolveApplicationContentPath"},
-            {93, nullptr, "GetRunningApplicationProgramId"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
+    // Try to find a valid language.
+    for (const auto lang : *priority_list) {
+        const auto supported_flag = GetSupportedLanguageFlag(lang);
+        if (supported_languages == 0 || (supported_languages & supported_flag) == supported_flag) {
+            return MakeResult(static_cast<u8>(lang));
+        }
     }
-};
 
-class IDownloadTaskInterface final : public ServiceFramework<IDownloadTaskInterface> {
-public:
-    explicit IDownloadTaskInterface() : ServiceFramework{"IDownloadTaskInterface"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {701, nullptr, "ClearTaskStatusList"},
-            {702, nullptr, "RequestDownloadTaskList"},
-            {703, nullptr, "RequestEnsureDownloadTask"},
-            {704, nullptr, "ListDownloadTaskStatus"},
-            {705, nullptr, "RequestDownloadTaskListData"},
-            {706, nullptr, "TryCommitCurrentApplicationDownloadTask"},
-            {707, nullptr, "EnableAutoCommit"},
-            {708, nullptr, "DisableAutoCommit"},
-            {709, nullptr, "TriggerDynamicCommitEvent"},
-        };
-        // clang-format on
+    return ERR_APPLICATION_LANGUAGE_NOT_FOUND;
+}
 
-        RegisterHandlers(functions);
+void IApplicationManagerInterface::ConvertApplicationLanguageToLanguageCode(
+    Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto application_language = rp.Pop<u8>();
+
+    const auto res = ConvertApplicationLanguageToLanguageCode(application_language);
+    if (res.Succeeded()) {
+        IPC::ResponseBuilder rb{ctx, 4};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(*res);
+    } else {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(res.Code());
     }
-};
+}
 
-class IECommerceInterface final : public ServiceFramework<IECommerceInterface> {
-public:
-    explicit IECommerceInterface() : ServiceFramework{"IECommerceInterface"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, nullptr, "RequestLinkDevice"},
-            {1, nullptr, "RequestCleanupAllPreInstalledApplications"},
-            {2, nullptr, "RequestCleanupPreInstalledApplication"},
-            {3, nullptr, "RequestSyncRights"},
-            {4, nullptr, "RequestUnlinkDevice"},
-            {5, nullptr, "RequestRevokeAllELicense"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
+ResultVal<u64> IApplicationManagerInterface::ConvertApplicationLanguageToLanguageCode(
+    u8 application_language) {
+    const auto language_code =
+        ConvertToLanguageCode(static_cast<ApplicationLanguage>(application_language));
+    if (language_code == std::nullopt) {
+        return ERR_APPLICATION_LANGUAGE_NOT_FOUND;
     }
-};
 
-class IFactoryResetInterface final : public ServiceFramework<IFactoryResetInterface> {
-public:
-    explicit IFactoryResetInterface() : ServiceFramework{"IFactoryResetInterface"} {
-        // clang-format off
+    return MakeResult(static_cast<u64>(*language_code));
+}
+
+IApplicationVersionInterface::IApplicationVersionInterface()
+    : ServiceFramework{"IApplicationVersionInterface"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "GetLaunchRequiredVersion"},
+        {1, nullptr, "UpgradeLaunchRequiredVersion"},
+        {35, nullptr, "UpdateVersionList"},
+        {36, nullptr, "PushLaunchVersion"},
+        {37, nullptr, "ListRequiredVersion"},
+        {800, nullptr, "RequestVersionList"},
+        {801, nullptr, "ListVersionList"},
+        {802, nullptr, "RequestVersionListData"},
+        {1000, nullptr, "PerformAutoUpdate"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IApplicationVersionInterface::~IApplicationVersionInterface() = default;
+
+IContentManagerInterface::IContentManagerInterface()
+    : ServiceFramework{"IContentManagerInterface"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {11, nullptr, "CalculateApplicationOccupiedSize"},
+        {43, nullptr, "CheckSdCardMountStatus"},
+        {47, nullptr, "GetTotalSpaceSize"},
+        {48, nullptr, "GetFreeSpaceSize"},
+        {600, nullptr, "CountApplicationContentMeta"},
+        {601, nullptr, "ListApplicationContentMetaStatus"},
+        {605, nullptr, "ListApplicationContentMetaStatusWithRightsCheck"},
+        {607, nullptr, "IsAnyApplicationRunning"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IContentManagerInterface::~IContentManagerInterface() = default;
+
+IDocumentInterface::IDocumentInterface() : ServiceFramework{"IDocumentInterface"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {21, nullptr, "GetApplicationContentPath"},
+        {23, nullptr, "ResolveApplicationContentPath"},
+        {93, nullptr, "GetRunningApplicationProgramId"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IDocumentInterface::~IDocumentInterface() = default;
+
+IDownloadTaskInterface::IDownloadTaskInterface() : ServiceFramework{"IDownloadTaskInterface"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {701, nullptr, "ClearTaskStatusList"},
+        {702, nullptr, "RequestDownloadTaskList"},
+        {703, nullptr, "RequestEnsureDownloadTask"},
+        {704, nullptr, "ListDownloadTaskStatus"},
+        {705, nullptr, "RequestDownloadTaskListData"},
+        {706, nullptr, "TryCommitCurrentApplicationDownloadTask"},
+        {707, nullptr, "EnableAutoCommit"},
+        {708, nullptr, "DisableAutoCommit"},
+        {709, nullptr, "TriggerDynamicCommitEvent"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IDownloadTaskInterface::~IDownloadTaskInterface() = default;
+
+IECommerceInterface::IECommerceInterface() : ServiceFramework{"IECommerceInterface"} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "RequestLinkDevice"},
+        {1, nullptr, "RequestCleanupAllPreInstalledApplications"},
+        {2, nullptr, "RequestCleanupPreInstalledApplication"},
+        {3, nullptr, "RequestSyncRights"},
+        {4, nullptr, "RequestUnlinkDevice"},
+        {5, nullptr, "RequestRevokeAllELicense"},
+    };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+IECommerceInterface::~IECommerceInterface() = default;
+
+IFactoryResetInterface::IFactoryResetInterface::IFactoryResetInterface()
+    : ServiceFramework{"IFactoryResetInterface"} {
+    // clang-format off
         static const FunctionInfo functions[] = {
             {100, nullptr, "ResetToFactorySettings"},
             {101, nullptr, "ResetToFactorySettingsWithoutUserSaveData"},
             {102, nullptr, "ResetToFactorySettingsForRefurbishment"},
         };
-        // clang-format on
+    // clang-format on
 
-        RegisterHandlers(functions);
-    }
-};
+    RegisterHandlers(functions);
+}
 
-class NS final : public ServiceFramework<NS> {
-public:
-    explicit NS(const char* name) : ServiceFramework{name} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {7992, &NS::PushInterface<IECommerceInterface>, "GetECommerceInterface"},
-            {7993, &NS::PushInterface<IApplicationVersionInterface>, "GetApplicationVersionInterface"},
-            {7994, &NS::PushInterface<IFactoryResetInterface>, "GetFactoryResetInterface"},
-            {7995, &NS::PushInterface<IAccountProxyInterface>, "GetAccountProxyInterface"},
-            {7996, &NS::PushInterface<IApplicationManagerInterface>, "GetApplicationManagerInterface"},
-            {7997, &NS::PushInterface<IDownloadTaskInterface>, "GetDownloadTaskInterface"},
-            {7998, &NS::PushInterface<IContentManagerInterface>, "GetContentManagementInterface"},
-            {7999, &NS::PushInterface<IDocumentInterface>, "GetDocumentInterface"},
-        };
-        // clang-format on
+IFactoryResetInterface::~IFactoryResetInterface() = default;
 
-        RegisterHandlers(functions);
-    }
+NS::NS(const char* name) : ServiceFramework{name} {
+    // clang-format off
+    static const FunctionInfo functions[] = {
+        {7992, &NS::PushInterface<IECommerceInterface>, "GetECommerceInterface"},
+        {7993, &NS::PushInterface<IApplicationVersionInterface>, "GetApplicationVersionInterface"},
+        {7994, &NS::PushInterface<IFactoryResetInterface>, "GetFactoryResetInterface"},
+        {7995, &NS::PushInterface<IAccountProxyInterface>, "GetAccountProxyInterface"},
+        {7996, &NS::PushInterface<IApplicationManagerInterface>, "GetApplicationManagerInterface"},
+        {7997, &NS::PushInterface<IDownloadTaskInterface>, "GetDownloadTaskInterface"},
+        {7998, &NS::PushInterface<IContentManagerInterface>, "GetContentManagementInterface"},
+        {7999, &NS::PushInterface<IDocumentInterface>, "GetDocumentInterface"},
+    };
+    // clang-format on
 
-private:
-    template <typename T>
-    void PushInterface(Kernel::HLERequestContext& ctx) {
-        LOG_DEBUG(Service_NS, "called");
+    RegisterHandlers(functions);
+}
 
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-        rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<T>();
-    }
-};
+NS::~NS() = default;
+
+std::shared_ptr<IApplicationManagerInterface> NS::GetApplicationManagerInterface() const {
+    return GetInterface<IApplicationManagerInterface>();
+}
 
 class NS_DEV final : public ServiceFramework<NS_DEV> {
 public:

src/core/hle/service/ns/ns.h

@@ -8,6 +8,88 @@
 
 namespace Service::NS {
 
+class IAccountProxyInterface final : public ServiceFramework<IAccountProxyInterface> {
+public:
+    explicit IAccountProxyInterface();
+    ~IAccountProxyInterface() override;
+};
+
+class IApplicationManagerInterface final : public ServiceFramework<IApplicationManagerInterface> {
+public:
+    explicit IApplicationManagerInterface();
+    ~IApplicationManagerInterface() override;
+
+    ResultVal<u8> GetApplicationDesiredLanguage(u32 supported_languages);
+    ResultVal<u64> ConvertApplicationLanguageToLanguageCode(u8 application_language);
+
+private:
+    void GetApplicationControlData(Kernel::HLERequestContext& ctx);
+    void GetApplicationDesiredLanguage(Kernel::HLERequestContext& ctx);
+    void ConvertApplicationLanguageToLanguageCode(Kernel::HLERequestContext& ctx);
+};
+
+class IApplicationVersionInterface final : public ServiceFramework<IApplicationVersionInterface> {
+public:
+    explicit IApplicationVersionInterface();
+    ~IApplicationVersionInterface() override;
+};
+
+class IContentManagerInterface final : public ServiceFramework<IContentManagerInterface> {
+public:
+    explicit IContentManagerInterface();
+    ~IContentManagerInterface() override;
+};
+
+class IDocumentInterface final : public ServiceFramework<IDocumentInterface> {
+public:
+    explicit IDocumentInterface();
+    ~IDocumentInterface() override;
+};
+
+class IDownloadTaskInterface final : public ServiceFramework<IDownloadTaskInterface> {
+public:
+    explicit IDownloadTaskInterface();
+    ~IDownloadTaskInterface() override;
+};
+
+class IECommerceInterface final : public ServiceFramework<IECommerceInterface> {
+public:
+    explicit IECommerceInterface();
+    ~IECommerceInterface() override;
+};
+
+class IFactoryResetInterface final : public ServiceFramework<IFactoryResetInterface> {
+public:
+    explicit IFactoryResetInterface();
+    ~IFactoryResetInterface() override;
+};
+
+class NS final : public ServiceFramework<NS> {
+public:
+    explicit NS(const char* name);
+    ~NS() override;
+
+    std::shared_ptr<IApplicationManagerInterface> GetApplicationManagerInterface() const;
+
+private:
+    template <typename T>
+    void PushInterface(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_NS, "called");
+
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushIpcInterface<T>();
+    }
+
+    template <typename T>
+    std::shared_ptr<T> GetInterface() const {
+        static_assert(std::is_base_of_v<Kernel::SessionRequestHandler, T>,
+                      "Not a base of ServiceFrameworkBase");
+
+        return std::make_shared<T>();
+    }
+};
+
 /// Registers all NS services with the specified service manager.
 void InstallInterfaces(SM::ServiceManager& service_manager);
 

src/core/hle/service/ns/ns_language.h

@@ -0,0 +1,42 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+#include <optional>
+#include <string>
+#include "common/common_types.h"
+#include "core/hle/service/set/set.h"
+
+namespace Service::NS {
+/// This is nn::ns::detail::ApplicationLanguage
+enum class ApplicationLanguage : u8 {
+    AmericanEnglish = 0,
+    BritishEnglish,
+    Japanese,
+    French,
+    German,
+    LatinAmericanSpanish,
+    Spanish,
+    Italian,
+    Dutch,
+    CanadianFrench,
+    Portuguese,
+    Russian,
+    Korean,
+    TraditionalChinese,
+    SimplifiedChinese,
+    Count
+};
+using ApplicationLanguagePriorityList =
+    const std::array<ApplicationLanguage, static_cast<std::size_t>(ApplicationLanguage::Count)>;
+
+constexpr u32 GetSupportedLanguageFlag(const ApplicationLanguage lang) {
+    return 1U << static_cast<u32>(lang);
+}
+
+const ApplicationLanguagePriorityList* GetApplicationLanguagePriorityList(ApplicationLanguage lang);
+std::optional<ApplicationLanguage> ConvertToApplicationLanguage(
+    Service::Set::LanguageCode language_code);
+std::optional<Service::Set::LanguageCode> ConvertToLanguageCode(ApplicationLanguage lang);
+} // namespace Service::NS

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

@@ -185,7 +185,8 @@ u32 nvhost_ctrl_gpu::GetGpuTime(const std::vector<u8>& input, std::vector<u8>& o
 
     IoctlGetGpuTime params{};
     std::memcpy(&params, input.data(), input.size());
-    params.gpu_time = Core::Timing::cyclesToNs(Core::System::GetInstance().CoreTiming().GetTicks());
+    const auto ns = Core::Timing::CyclesToNs(Core::System::GetInstance().CoreTiming().GetTicks());
+    params.gpu_time = static_cast<u64_le>(ns.count());
     std::memcpy(output.data(), &params, output.size());
     return 0;
 }

src/core/hle/service/service.cpp

@@ -200,7 +200,7 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system,
 
     SM::ServiceManager::InstallInterfaces(sm);
 
-    Account::InstallInterfaces(*sm);
+    Account::InstallInterfaces(system);
     AM::InstallInterfaces(*sm, nv_flinger);
     AOC::InstallInterfaces(*sm);
     APM::InstallInterfaces(*sm);

src/core/hle/service/time/time.cpp

@@ -108,8 +108,9 @@ private:
         LOG_DEBUG(Service_Time, "called");
 
         const auto& core_timing = Core::System::GetInstance().CoreTiming();
-        const SteadyClockTimePoint steady_clock_time_point{
-            Core::Timing::cyclesToMs(core_timing.GetTicks()) / 1000};
+        const auto ms = Core::Timing::CyclesToMs(core_timing.GetTicks());
+        const SteadyClockTimePoint steady_clock_time_point{static_cast<u64_le>(ms.count() / 1000),
+                                                           {}};
         IPC::ResponseBuilder rb{ctx, (sizeof(SteadyClockTimePoint) / 4) + 2};
         rb.Push(RESULT_SUCCESS);
         rb.PushRaw(steady_clock_time_point);
@@ -284,8 +285,8 @@ void Module::Interface::GetClockSnapshot(Kernel::HLERequestContext& ctx) {
     }
 
     const auto& core_timing = Core::System::GetInstance().CoreTiming();
-    const SteadyClockTimePoint steady_clock_time_point{
-        Core::Timing::cyclesToMs(core_timing.GetTicks()) / 1000, {}};
+    const auto ms = Core::Timing::CyclesToMs(core_timing.GetTicks());
+    const SteadyClockTimePoint steady_clock_time_point{static_cast<u64_le>(ms.count() / 1000), {}};
 
     CalendarTime calendar_time{};
     calendar_time.year = tm->tm_year + 1900;

src/core/hle/service/vi/vi.cpp

@@ -556,7 +556,7 @@ private:
             } else {
                 // Wait the current thread until a buffer becomes available
                 ctx.SleepClientThread(
-                    Kernel::GetCurrentThread(), "IHOSBinderDriver::DequeueBuffer", -1,
+                    "IHOSBinderDriver::DequeueBuffer", -1,
                     [=](Kernel::SharedPtr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
                         Kernel::ThreadWakeupReason reason) {
                         // Repeat TransactParcel DequeueBuffer when a buffer is available

src/core/loader/loader.h

@@ -153,17 +153,6 @@ public:
      */
     virtual LoadResult Load(Kernel::Process& process) = 0;
 
-    /**
-     * Loads the system mode that this application needs.
-     * This function defaults to 2 (96MB allocated to the application) if it can't read the
-     * information.
-     * @returns A pair with the optional system mode, and and the status.
-     */
-    virtual std::pair<std::optional<u32>, ResultStatus> LoadKernelSystemMode() {
-        // 96MB allocated to the application.
-        return std::make_pair(2, ResultStatus::Success);
-    }
-
     /**
      * Get the code (typically .code section) of the application
      * @param buffer Reference to buffer to store data

src/core/loader/nso.cpp

@@ -39,7 +39,7 @@ std::vector<u8> DecompressSegment(const std::vector<u8>& compressed_data,
     const std::vector<u8> uncompressed_data =
         Common::Compression::DecompressDataLZ4(compressed_data, header.size);
 
-    ASSERT_MSG(uncompressed_data.size() == static_cast<int>(header.size), "{} != {}", header.size,
+    ASSERT_MSG(uncompressed_data.size() == header.size, "{} != {}", header.size,
                uncompressed_data.size());
 
     return uncompressed_data;
@@ -152,8 +152,8 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::Process& process,
         auto& system = Core::System::GetInstance();
         const auto cheats = pm->CreateCheatList(system, nso_header.build_id);
         if (!cheats.empty()) {
-            system.RegisterCheatList(cheats, Common::HexArrayToString(nso_header.build_id),
-                                     load_base, load_base + program_image.size());
+            system.RegisterCheatList(cheats, Common::HexToString(nso_header.build_id), load_base,
+                                     load_base + program_image.size());
         }
     }
 

src/core/settings.cpp

@@ -90,7 +90,6 @@ void LogSettings() {
     LogSetting("Renderer_UseResolutionFactor", Settings::values.resolution_factor);
     LogSetting("Renderer_UseFrameLimit", Settings::values.use_frame_limit);
     LogSetting("Renderer_FrameLimit", Settings::values.frame_limit);
-    LogSetting("Renderer_UseCompatibilityProfile", Settings::values.use_compatibility_profile);
     LogSetting("Renderer_UseDiskShaderCache", Settings::values.use_disk_shader_cache);
     LogSetting("Renderer_UseAccurateGpuEmulation", Settings::values.use_accurate_gpu_emulation);
     LogSetting("Renderer_UseAsynchronousGpuEmulation",

src/core/settings.h

@@ -390,7 +390,6 @@ struct Values {
     float resolution_factor;
     bool use_frame_limit;
     u16 frame_limit;
-    bool use_compatibility_profile;
     bool use_disk_shader_cache;
     bool use_accurate_gpu_emulation;
     bool use_asynchronous_gpu_emulation;

src/core/telemetry_session.cpp

@@ -12,7 +12,6 @@
 #include "common/file_util.h"
 #include "common/logging/log.h"
 
-#include "core/core.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/loader/loader.h"
@@ -101,7 +100,30 @@ bool VerifyLogin(const std::string& username, const std::string& token) {
 #endif
 }
 
-TelemetrySession::TelemetrySession() {
+TelemetrySession::TelemetrySession() = default;
+
+TelemetrySession::~TelemetrySession() {
+    // Log one-time session end information
+    const s64 shutdown_time{std::chrono::duration_cast<std::chrono::milliseconds>(
+                                std::chrono::system_clock::now().time_since_epoch())
+                                .count()};
+    AddField(Telemetry::FieldType::Session, "Shutdown_Time", shutdown_time);
+
+#ifdef ENABLE_WEB_SERVICE
+    auto backend = std::make_unique<WebService::TelemetryJson>(
+        Settings::values.web_api_url, Settings::values.yuzu_username, Settings::values.yuzu_token);
+#else
+    auto backend = std::make_unique<Telemetry::NullVisitor>();
+#endif
+
+    // Complete the session, submitting to the web service backend if necessary
+    field_collection.Accept(*backend);
+    if (Settings::values.enable_telemetry) {
+        backend->Complete();
+    }
+}
+
+void TelemetrySession::AddInitialInfo(Loader::AppLoader& app_loader) {
     // Log one-time top-level information
     AddField(Telemetry::FieldType::None, "TelemetryId", GetTelemetryId());
 
@@ -112,26 +134,28 @@ TelemetrySession::TelemetrySession() {
     AddField(Telemetry::FieldType::Session, "Init_Time", init_time);
 
     u64 program_id{};
-    const Loader::ResultStatus res{System::GetInstance().GetAppLoader().ReadProgramId(program_id)};
+    const Loader::ResultStatus res{app_loader.ReadProgramId(program_id)};
     if (res == Loader::ResultStatus::Success) {
         const std::string formatted_program_id{fmt::format("{:016X}", program_id)};
         AddField(Telemetry::FieldType::Session, "ProgramId", formatted_program_id);
 
         std::string name;
-        System::GetInstance().GetAppLoader().ReadTitle(name);
+        app_loader.ReadTitle(name);
 
         if (name.empty()) {
             auto [nacp, icon_file] = FileSys::PatchManager(program_id).GetControlMetadata();
-            if (nacp != nullptr)
+            if (nacp != nullptr) {
                 name = nacp->GetApplicationName();
+            }
         }
 
-        if (!name.empty())
+        if (!name.empty()) {
             AddField(Telemetry::FieldType::Session, "ProgramName", name);
+        }
     }
 
     AddField(Telemetry::FieldType::Session, "ProgramFormat",
-             static_cast<u8>(System::GetInstance().GetAppLoader().GetFileType()));
+             static_cast<u8>(app_loader.GetFileType()));
 
     // Log application information
     Telemetry::AppendBuildInfo(field_collection);
@@ -162,27 +186,6 @@ TelemetrySession::TelemetrySession() {
              Settings::values.use_docked_mode);
 }
 
-TelemetrySession::~TelemetrySession() {
-    // Log one-time session end information
-    const s64 shutdown_time{std::chrono::duration_cast<std::chrono::milliseconds>(
-                                std::chrono::system_clock::now().time_since_epoch())
-                                .count()};
-    AddField(Telemetry::FieldType::Session, "Shutdown_Time", shutdown_time);
-
-#ifdef ENABLE_WEB_SERVICE
-    auto backend = std::make_unique<WebService::TelemetryJson>(
-        Settings::values.web_api_url, Settings::values.yuzu_username, Settings::values.yuzu_token);
-#else
-    auto backend = std::make_unique<Telemetry::NullVisitor>();
-#endif
-
-    // Complete the session, submitting to web service if necessary
-    field_collection.Accept(*backend);
-    if (Settings::values.enable_telemetry)
-        backend->Complete();
-    backend = nullptr;
-}
-
 bool TelemetrySession::SubmitTestcase() {
 #ifdef ENABLE_WEB_SERVICE
     auto backend = std::make_unique<WebService::TelemetryJson>(

src/core/telemetry_session.h

@@ -4,10 +4,13 @@
 
 #pragma once
 
-#include <memory>
 #include <string>
 #include "common/telemetry.h"
 
+namespace Loader {
+class AppLoader;
+}
+
 namespace Core {
 
 /**
@@ -15,11 +18,33 @@ namespace Core {
  * session, logging any one-time fields. Interfaces with the telemetry backend used for submitting
  * data to the web service. Submits session data on close.
  */
-class TelemetrySession : NonCopyable {
+class TelemetrySession {
 public:
-    TelemetrySession();
+    explicit TelemetrySession();
     ~TelemetrySession();
 
+    TelemetrySession(const TelemetrySession&) = delete;
+    TelemetrySession& operator=(const TelemetrySession&) = delete;
+
+    TelemetrySession(TelemetrySession&&) = delete;
+    TelemetrySession& operator=(TelemetrySession&&) = delete;
+
+    /**
+     * Adds the initial telemetry info necessary when starting up a title.
+     *
+     * This includes information such as:
+     *   - Telemetry ID
+     *   - Initialization time
+     *   - Title ID
+     *   - Title name
+     *   - Title file format
+     *   - Miscellaneous settings values.
+     *
+     * @param app_loader The application loader to use to retrieve
+     *                   title-specific information.
+     */
+    void AddInitialInfo(Loader::AppLoader& app_loader);
+
     /**
      * Wrapper around the Telemetry::FieldCollection::AddField method.
      * @param type Type of the field to add.

src/core/tools/freezer.cpp

@@ -0,0 +1,188 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "common/logging/log.h"
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/core_timing_util.h"
+#include "core/memory.h"
+#include "core/tools/freezer.h"
+
+namespace Tools {
+
+namespace {
+
+constexpr s64 MEMORY_FREEZER_TICKS = static_cast<s64>(Core::Timing::BASE_CLOCK_RATE / 60);
+
+u64 MemoryReadWidth(u32 width, VAddr addr) {
+    switch (width) {
+    case 1:
+        return Memory::Read8(addr);
+    case 2:
+        return Memory::Read16(addr);
+    case 4:
+        return Memory::Read32(addr);
+    case 8:
+        return Memory::Read64(addr);
+    default:
+        UNREACHABLE();
+        return 0;
+    }
+}
+
+void MemoryWriteWidth(u32 width, VAddr addr, u64 value) {
+    switch (width) {
+    case 1:
+        Memory::Write8(addr, static_cast<u8>(value));
+        break;
+    case 2:
+        Memory::Write16(addr, static_cast<u16>(value));
+        break;
+    case 4:
+        Memory::Write32(addr, static_cast<u32>(value));
+        break;
+    case 8:
+        Memory::Write64(addr, value);
+        break;
+    default:
+        UNREACHABLE();
+    }
+}
+
+} // Anonymous namespace
+
+Freezer::Freezer(Core::Timing::CoreTiming& core_timing) : core_timing(core_timing) {
+    event = core_timing.RegisterEvent(
+        "MemoryFreezer::FrameCallback",
+        [this](u64 userdata, s64 cycles_late) { FrameCallback(userdata, cycles_late); });
+    core_timing.ScheduleEvent(MEMORY_FREEZER_TICKS, event);
+}
+
+Freezer::~Freezer() {
+    core_timing.UnscheduleEvent(event, 0);
+}
+
+void Freezer::SetActive(bool active) {
+    if (!this->active.exchange(active)) {
+        FillEntryReads();
+        core_timing.ScheduleEvent(MEMORY_FREEZER_TICKS, event);
+        LOG_DEBUG(Common_Memory, "Memory freezer activated!");
+    } else {
+        LOG_DEBUG(Common_Memory, "Memory freezer deactivated!");
+    }
+}
+
+bool Freezer::IsActive() const {
+    return active.load(std::memory_order_relaxed);
+}
+
+void Freezer::Clear() {
+    std::lock_guard lock{entries_mutex};
+
+    LOG_DEBUG(Common_Memory, "Clearing all frozen memory values.");
+
+    entries.clear();
+}
+
+u64 Freezer::Freeze(VAddr address, u32 width) {
+    std::lock_guard lock{entries_mutex};
+
+    const auto current_value = MemoryReadWidth(width, address);
+    entries.push_back({address, width, current_value});
+
+    LOG_DEBUG(Common_Memory,
+              "Freezing memory for address={:016X}, width={:02X}, current_value={:016X}", address,
+              width, current_value);
+
+    return current_value;
+}
+
+void Freezer::Unfreeze(VAddr address) {
+    std::lock_guard lock{entries_mutex};
+
+    LOG_DEBUG(Common_Memory, "Unfreezing memory for address={:016X}", address);
+
+    entries.erase(
+        std::remove_if(entries.begin(), entries.end(),
+                       [&address](const Entry& entry) { return entry.address == address; }),
+        entries.end());
+}
+
+bool Freezer::IsFrozen(VAddr address) const {
+    std::lock_guard lock{entries_mutex};
+
+    return std::find_if(entries.begin(), entries.end(), [&address](const Entry& entry) {
+               return entry.address == address;
+           }) != entries.end();
+}
+
+void Freezer::SetFrozenValue(VAddr address, u64 value) {
+    std::lock_guard lock{entries_mutex};
+
+    const auto iter = std::find_if(entries.begin(), entries.end(), [&address](const Entry& entry) {
+        return entry.address == address;
+    });
+
+    if (iter == entries.end()) {
+        LOG_ERROR(Common_Memory,
+                  "Tried to set freeze value for address={:016X} that is not frozen!", address);
+        return;
+    }
+
+    LOG_DEBUG(Common_Memory,
+              "Manually overridden freeze value for address={:016X}, width={:02X} to value={:016X}",
+              iter->address, iter->width, value);
+    iter->value = value;
+}
+
+std::optional<Freezer::Entry> Freezer::GetEntry(VAddr address) const {
+    std::lock_guard lock{entries_mutex};
+
+    const auto iter = std::find_if(entries.begin(), entries.end(), [&address](const Entry& entry) {
+        return entry.address == address;
+    });
+
+    if (iter == entries.end()) {
+        return std::nullopt;
+    }
+
+    return *iter;
+}
+
+std::vector<Freezer::Entry> Freezer::GetEntries() const {
+    std::lock_guard lock{entries_mutex};
+
+    return entries;
+}
+
+void Freezer::FrameCallback(u64 userdata, s64 cycles_late) {
+    if (!IsActive()) {
+        LOG_DEBUG(Common_Memory, "Memory freezer has been deactivated, ending callback events.");
+        return;
+    }
+
+    std::lock_guard lock{entries_mutex};
+
+    for (const auto& entry : entries) {
+        LOG_DEBUG(Common_Memory,
+                  "Enforcing memory freeze at address={:016X}, value={:016X}, width={:02X}",
+                  entry.address, entry.value, entry.width);
+        MemoryWriteWidth(entry.width, entry.address, entry.value);
+    }
+
+    core_timing.ScheduleEvent(MEMORY_FREEZER_TICKS - cycles_late, event);
+}
+
+void Freezer::FillEntryReads() {
+    std::lock_guard lock{entries_mutex};
+
+    LOG_DEBUG(Common_Memory, "Updating memory freeze entries to current values.");
+
+    for (auto& entry : entries) {
+        entry.value = MemoryReadWidth(entry.width, entry.address);
+    }
+}
+
+} // namespace Tools

src/core/tools/freezer.h

@@ -0,0 +1,82 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <atomic>
+#include <mutex>
+#include <optional>
+#include <vector>
+#include "common/common_types.h"
+
+namespace Core::Timing {
+class CoreTiming;
+struct EventType;
+} // namespace Core::Timing
+
+namespace Tools {
+
+/**
+ * This class allows the user to prevent an application from writing new values to certain memory
+ * locations. This has a variety of uses when attempting to reverse a game.
+ *
+ * One example could be a cheat to prevent Mario from taking damage in SMO. One could freeze the
+ * memory address that the game uses to store Mario's health so when he takes damage (and the game
+ * tries to write the new health value to memory), the value won't change.
+ */
+class Freezer {
+public:
+    struct Entry {
+        VAddr address;
+        u32 width;
+        u64 value;
+    };
+
+    explicit Freezer(Core::Timing::CoreTiming& core_timing);
+    ~Freezer();
+
+    // Enables or disables the entire memory freezer.
+    void SetActive(bool active);
+
+    // Returns whether or not the freezer is active.
+    bool IsActive() const;
+
+    // Removes all entries from the freezer.
+    void Clear();
+
+    // Freezes a value to its current memory address. The value the memory is kept at will be the
+    // value that is read during this function. Width can be 1, 2, 4, or 8 (in bytes).
+    u64 Freeze(VAddr address, u32 width);
+
+    // Unfreezes the memory value at address. If the address isn't frozen, this is a no-op.
+    void Unfreeze(VAddr address);
+
+    // Returns whether or not the address is frozen.
+    bool IsFrozen(VAddr address) const;
+
+    // Sets the value that address should be frozen to. This doesn't change the width set by using
+    // Freeze(). If the value isn't frozen, this will not freeze it and is thus a no-op.
+    void SetFrozenValue(VAddr address, u64 value);
+
+    // Returns the entry corresponding to the address if the address is frozen, otherwise
+    // std::nullopt.
+    std::optional<Entry> GetEntry(VAddr address) const;
+
+    // Returns all the entries in the freezer, an empty vector means nothing is frozen.
+    std::vector<Entry> GetEntries() const;
+
+private:
+    void FrameCallback(u64 userdata, s64 cycles_late);
+    void FillEntryReads();
+
+    std::atomic_bool active{false};
+
+    mutable std::mutex entries_mutex;
+    std::vector<Entry> entries;
+
+    Core::Timing::EventType* event;
+    Core::Timing::CoreTiming& core_timing;
+};
+
+} // namespace Tools

src/core/tracer/citrace.h

@@ -1,100 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include "common/common_types.h"
-
-namespace CiTrace {
-
-// NOTE: Things are stored in little-endian
-
-#pragma pack(1)
-
-struct CTHeader {
-    static const char* ExpectedMagicWord() {
-        return "CiTr";
-    }
-
-    static u32 ExpectedVersion() {
-        return 1;
-    }
-
-    char magic[4];
-    u32 version;
-    u32 header_size;
-
-    struct {
-        // NOTE: Register range sizes are technically hardware-constants, but the actual limits
-        // aren't known. Hence we store the presumed limits along the offsets.
-        // Sizes are given in u32 units.
-        u32 gpu_registers;
-        u32 gpu_registers_size;
-        u32 lcd_registers;
-        u32 lcd_registers_size;
-        u32 pica_registers;
-        u32 pica_registers_size;
-        u32 default_attributes;
-        u32 default_attributes_size;
-        u32 vs_program_binary;
-        u32 vs_program_binary_size;
-        u32 vs_swizzle_data;
-        u32 vs_swizzle_data_size;
-        u32 vs_float_uniforms;
-        u32 vs_float_uniforms_size;
-        u32 gs_program_binary;
-        u32 gs_program_binary_size;
-        u32 gs_swizzle_data;
-        u32 gs_swizzle_data_size;
-        u32 gs_float_uniforms;
-        u32 gs_float_uniforms_size;
-
-        // Other things we might want to store here:
-        // - Initial framebuffer data, maybe even a full copy of FCRAM/VRAM
-        // - Lookup tables for fragment lighting
-        // - Lookup tables for procedural textures
-    } initial_state_offsets;
-
-    u32 stream_offset;
-    u32 stream_size;
-};
-
-enum CTStreamElementType : u32 {
-    FrameMarker = 0xE1,
-    MemoryLoad = 0xE2,
-    RegisterWrite = 0xE3,
-};
-
-struct CTMemoryLoad {
-    u32 file_offset;
-    u32 size;
-    u32 physical_address;
-    u32 pad;
-};
-
-struct CTRegisterWrite {
-    u32 physical_address;
-
-    enum : u32 {
-        SIZE_8 = 0xD1,
-        SIZE_16 = 0xD2,
-        SIZE_32 = 0xD3,
-        SIZE_64 = 0xD4,
-    } size;
-
-    // TODO: Make it clearer which bits of this member are used for sizes other than 32 bits
-    u64 value;
-};
-
-struct CTStreamElement {
-    CTStreamElementType type;
-
-    union {
-        CTMemoryLoad memory_load;
-        CTRegisterWrite register_write;
-    };
-};
-
-#pragma pack()
-} // namespace CiTrace

src/core/tracer/recorder.cpp

@@ -1,208 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <cstring>
-#include "common/assert.h"
-#include "common/file_util.h"
-#include "common/logging/log.h"
-#include "core/tracer/recorder.h"
-
-namespace CiTrace {
-
-Recorder::Recorder(const InitialState& initial_state) : initial_state(initial_state) {}
-
-void Recorder::Finish(const std::string& filename) {
-    // Setup CiTrace header
-    CTHeader header;
-    std::memcpy(header.magic, CTHeader::ExpectedMagicWord(), 4);
-    header.version = CTHeader::ExpectedVersion();
-    header.header_size = sizeof(CTHeader);
-
-    // Calculate file offsets
-    auto& initial = header.initial_state_offsets;
-
-    initial.gpu_registers_size = static_cast<u32>(initial_state.gpu_registers.size());
-    initial.lcd_registers_size = static_cast<u32>(initial_state.lcd_registers.size());
-    initial.pica_registers_size = static_cast<u32>(initial_state.pica_registers.size());
-    initial.default_attributes_size = static_cast<u32>(initial_state.default_attributes.size());
-    initial.vs_program_binary_size = static_cast<u32>(initial_state.vs_program_binary.size());
-    initial.vs_swizzle_data_size = static_cast<u32>(initial_state.vs_swizzle_data.size());
-    initial.vs_float_uniforms_size = static_cast<u32>(initial_state.vs_float_uniforms.size());
-    initial.gs_program_binary_size = static_cast<u32>(initial_state.gs_program_binary.size());
-    initial.gs_swizzle_data_size = static_cast<u32>(initial_state.gs_swizzle_data.size());
-    initial.gs_float_uniforms_size = static_cast<u32>(initial_state.gs_float_uniforms.size());
-    header.stream_size = static_cast<u32>(stream.size());
-
-    initial.gpu_registers = sizeof(header);
-    initial.lcd_registers = initial.gpu_registers + initial.gpu_registers_size * sizeof(u32);
-    initial.pica_registers = initial.lcd_registers + initial.lcd_registers_size * sizeof(u32);
-    ;
-    initial.default_attributes = initial.pica_registers + initial.pica_registers_size * sizeof(u32);
-    initial.vs_program_binary =
-        initial.default_attributes + initial.default_attributes_size * sizeof(u32);
-    initial.vs_swizzle_data =
-        initial.vs_program_binary + initial.vs_program_binary_size * sizeof(u32);
-    initial.vs_float_uniforms =
-        initial.vs_swizzle_data + initial.vs_swizzle_data_size * sizeof(u32);
-    initial.gs_program_binary =
-        initial.vs_float_uniforms + initial.vs_float_uniforms_size * sizeof(u32);
-    initial.gs_swizzle_data =
-        initial.gs_program_binary + initial.gs_program_binary_size * sizeof(u32);
-    initial.gs_float_uniforms =
-        initial.gs_swizzle_data + initial.gs_swizzle_data_size * sizeof(u32);
-    header.stream_offset = initial.gs_float_uniforms + initial.gs_float_uniforms_size * sizeof(u32);
-
-    // Iterate through stream elements, update relevant stream element data
-    for (auto& stream_element : stream) {
-        switch (stream_element.data.type) {
-        case MemoryLoad: {
-            auto& file_offset = memory_regions[stream_element.hash];
-            if (!stream_element.uses_existing_data) {
-                file_offset = header.stream_offset;
-            }
-            stream_element.data.memory_load.file_offset = file_offset;
-            break;
-        }
-
-        default:
-            // Other commands don't use any extra data
-            DEBUG_ASSERT(stream_element.extra_data.size() == 0);
-            break;
-        }
-        header.stream_offset += static_cast<u32>(stream_element.extra_data.size());
-    }
-
-    try {
-        // Open file and write header
-        FileUtil::IOFile file(filename, "wb");
-        std::size_t written = file.WriteObject(header);
-        if (written != 1 || file.Tell() != initial.gpu_registers)
-            throw "Failed to write header";
-
-        // Write initial state
-        written =
-            file.WriteArray(initial_state.gpu_registers.data(), initial_state.gpu_registers.size());
-        if (written != initial_state.gpu_registers.size() || file.Tell() != initial.lcd_registers)
-            throw "Failed to write GPU registers";
-
-        written =
-            file.WriteArray(initial_state.lcd_registers.data(), initial_state.lcd_registers.size());
-        if (written != initial_state.lcd_registers.size() || file.Tell() != initial.pica_registers)
-            throw "Failed to write LCD registers";
-
-        written = file.WriteArray(initial_state.pica_registers.data(),
-                                  initial_state.pica_registers.size());
-        if (written != initial_state.pica_registers.size() ||
-            file.Tell() != initial.default_attributes)
-            throw "Failed to write Pica registers";
-
-        written = file.WriteArray(initial_state.default_attributes.data(),
-                                  initial_state.default_attributes.size());
-        if (written != initial_state.default_attributes.size() ||
-            file.Tell() != initial.vs_program_binary)
-            throw "Failed to write default vertex attributes";
-
-        written = file.WriteArray(initial_state.vs_program_binary.data(),
-                                  initial_state.vs_program_binary.size());
-        if (written != initial_state.vs_program_binary.size() ||
-            file.Tell() != initial.vs_swizzle_data)
-            throw "Failed to write vertex shader program binary";
-
-        written = file.WriteArray(initial_state.vs_swizzle_data.data(),
-                                  initial_state.vs_swizzle_data.size());
-        if (written != initial_state.vs_swizzle_data.size() ||
-            file.Tell() != initial.vs_float_uniforms)
-            throw "Failed to write vertex shader swizzle data";
-
-        written = file.WriteArray(initial_state.vs_float_uniforms.data(),
-                                  initial_state.vs_float_uniforms.size());
-        if (written != initial_state.vs_float_uniforms.size() ||
-            file.Tell() != initial.gs_program_binary)
-            throw "Failed to write vertex shader float uniforms";
-
-        written = file.WriteArray(initial_state.gs_program_binary.data(),
-                                  initial_state.gs_program_binary.size());
-        if (written != initial_state.gs_program_binary.size() ||
-            file.Tell() != initial.gs_swizzle_data)
-            throw "Failed to write geomtry shader program binary";
-
-        written = file.WriteArray(initial_state.gs_swizzle_data.data(),
-                                  initial_state.gs_swizzle_data.size());
-        if (written != initial_state.gs_swizzle_data.size() ||
-            file.Tell() != initial.gs_float_uniforms)
-            throw "Failed to write geometry shader swizzle data";
-
-        written = file.WriteArray(initial_state.gs_float_uniforms.data(),
-                                  initial_state.gs_float_uniforms.size());
-        if (written != initial_state.gs_float_uniforms.size() ||
-            file.Tell() != initial.gs_float_uniforms + sizeof(u32) * initial.gs_float_uniforms_size)
-            throw "Failed to write geometry shader float uniforms";
-
-        // Iterate through stream elements, write "extra data"
-        for (const auto& stream_element : stream) {
-            if (stream_element.extra_data.size() == 0)
-                continue;
-
-            written =
-                file.WriteBytes(stream_element.extra_data.data(), stream_element.extra_data.size());
-            if (written != stream_element.extra_data.size())
-                throw "Failed to write extra data";
-        }
-
-        if (file.Tell() != header.stream_offset)
-            throw "Unexpected end of extra data";
-
-        // Write actual stream elements
-        for (const auto& stream_element : stream) {
-            if (1 != file.WriteObject(stream_element.data))
-                throw "Failed to write stream element";
-        }
-    } catch (const char* str) {
-        LOG_ERROR(HW_GPU, "Writing CiTrace file failed: {}", str);
-    }
-}
-
-void Recorder::FrameFinished() {
-    stream.push_back({{FrameMarker}});
-}
-
-void Recorder::MemoryAccessed(const u8* data, u32 size, u32 physical_address) {
-    StreamElement element = {{MemoryLoad}};
-    element.data.memory_load.size = size;
-    element.data.memory_load.physical_address = physical_address;
-
-    // Compute hash over given memory region to check if the contents are already stored internally
-    boost::crc_32_type result;
-    result.process_bytes(data, size);
-    element.hash = result.checksum();
-
-    element.uses_existing_data = (memory_regions.find(element.hash) != memory_regions.end());
-    if (!element.uses_existing_data) {
-        element.extra_data.resize(size);
-        memcpy(element.extra_data.data(), data, size);
-        memory_regions.insert({element.hash, 0}); // file offset will be initialized in Finish()
-    }
-
-    stream.push_back(element);
-}
-
-template <typename T>
-void Recorder::RegisterWritten(u32 physical_address, T value) {
-    StreamElement element = {{RegisterWrite}};
-    element.data.register_write.size =
-        (sizeof(T) == 1) ? CTRegisterWrite::SIZE_8
-                         : (sizeof(T) == 2) ? CTRegisterWrite::SIZE_16
-                                            : (sizeof(T) == 4) ? CTRegisterWrite::SIZE_32
-                                                               : CTRegisterWrite::SIZE_64;
-    element.data.register_write.physical_address = physical_address;
-    element.data.register_write.value = value;
-
-    stream.push_back(element);
-}
-
-template void Recorder::RegisterWritten(u32, u8);
-template void Recorder::RegisterWritten(u32, u16);
-template void Recorder::RegisterWritten(u32, u32);
-template void Recorder::RegisterWritten(u32, u64);
-} // namespace CiTrace

src/core/tracer/recorder.h

@@ -1,87 +0,0 @@
-// Copyright 2015 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <string>
-#include <unordered_map>
-#include <vector>
-#include <boost/crc.hpp>
-#include "common/common_types.h"
-#include "core/tracer/citrace.h"
-
-namespace CiTrace {
-
-class Recorder {
-public:
-    struct InitialState {
-        std::vector<u32> gpu_registers;
-        std::vector<u32> lcd_registers;
-        std::vector<u32> pica_registers;
-        std::vector<u32> default_attributes;
-        std::vector<u32> vs_program_binary;
-        std::vector<u32> vs_swizzle_data;
-        std::vector<u32> vs_float_uniforms;
-        std::vector<u32> gs_program_binary;
-        std::vector<u32> gs_swizzle_data;
-        std::vector<u32> gs_float_uniforms;
-    };
-
-    /**
-     * Recorder constructor
-     * @param initial_state Initial recorder state
-     */
-    explicit Recorder(const InitialState& initial_state);
-
-    /// Finish recording of this Citrace and save it using the given filename.
-    void Finish(const std::string& filename);
-
-    /// Mark end of a frame
-    void FrameFinished();
-
-    /**
-     * Store a copy of the given memory range in the recording.
-     * @note Use this whenever the GPU is about to access a particular memory region.
-     * @note The implementation will make sure to minimize redundant memory updates.
-     */
-    void MemoryAccessed(const u8* data, u32 size, u32 physical_address);
-
-    /**
-     * Record a register write.
-     * @note Use this whenever a GPU-related MMIO register has been written to.
-     */
-    template <typename T>
-    void RegisterWritten(u32 physical_address, T value);
-
-private:
-    // Initial state of recording start
-    InitialState initial_state;
-
-    // Command stream
-    struct StreamElement {
-        CTStreamElement data;
-
-        /**
-         * Extra data to store along "core" data.
-         * This is e.g. used for data used in MemoryUpdates.
-         */
-        std::vector<u8> extra_data;
-
-        /// Optional CRC hash (e.g. for hashing memory regions)
-        boost::crc_32_type::value_type hash;
-
-        /// If true, refer to data already written to the output file instead of extra_data
-        bool uses_existing_data;
-    };
-
-    std::vector<StreamElement> stream;
-
-    /**
-     * Internal cache which maps hashes of memory contents to file offsets at which those memory
-     * contents are stored.
-     */
-    std::unordered_map<boost::crc_32_type::value_type /*hash*/, u32 /*file_offset*/> memory_regions;
-};
-
-} // namespace CiTrace

src/input_common/sdl/sdl.h

@@ -6,15 +6,8 @@
 
 #include <memory>
 #include <vector>
-#include "core/frontend/input.h"
 #include "input_common/main.h"
 
-union SDL_Event;
-
-namespace Common {
-class ParamPackage;
-} // namespace Common
-
 namespace InputCommon::Polling {
 class DevicePoller;
 enum class DeviceType;

src/input_common/sdl/sdl_impl.cpp

@@ -6,7 +6,6 @@
 #include <atomic>
 #include <cmath>
 #include <functional>
-#include <iterator>
 #include <mutex>
 #include <string>
 #include <thread>
@@ -15,7 +14,6 @@
 #include <utility>
 #include <vector>
 #include <SDL.h>
-#include "common/assert.h"
 #include "common/logging/log.h"
 #include "common/math_util.h"
 #include "common/param_package.h"
@@ -23,12 +21,10 @@
 #include "core/frontend/input.h"
 #include "input_common/sdl/sdl_impl.h"
 
-namespace InputCommon {
-
-namespace SDL {
+namespace InputCommon::SDL {
 
 static std::string GetGUID(SDL_Joystick* joystick) {
-    SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick);
+    const SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick);
     char guid_str[33];
     SDL_JoystickGetGUIDString(guid, guid_str, sizeof(guid_str));
     return guid_str;
@@ -37,26 +33,27 @@ static std::string GetGUID(SDL_Joystick* joystick) {
 /// Creates a ParamPackage from an SDL_Event that can directly be used to create a ButtonDevice
 static Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Event& event);
 
-static int SDLEventWatcher(void* userdata, SDL_Event* event) {
-    SDLState* sdl_state = reinterpret_cast<SDLState*>(userdata);
+static int SDLEventWatcher(void* user_data, SDL_Event* event) {
+    auto* const sdl_state = static_cast<SDLState*>(user_data);
+
     // Don't handle the event if we are configuring
     if (sdl_state->polling) {
         sdl_state->event_queue.Push(*event);
     } else {
         sdl_state->HandleGameControllerEvent(*event);
     }
+
     return 0;
 }
 
 class SDLJoystick {
 public:
-    SDLJoystick(std::string guid_, int port_, SDL_Joystick* joystick,
-                decltype(&SDL_JoystickClose) deleter = &SDL_JoystickClose)
-        : guid{std::move(guid_)}, port{port_}, sdl_joystick{joystick, deleter} {}
+    SDLJoystick(std::string guid_, int port_, SDL_Joystick* joystick)
+        : guid{std::move(guid_)}, port{port_}, sdl_joystick{joystick, &SDL_JoystickClose} {}
 
     void SetButton(int button, bool value) {
         std::lock_guard lock{mutex};
-        state.buttons[button] = value;
+        state.buttons.insert_or_assign(button, value);
     }
 
     bool GetButton(int button) const {
@@ -66,7 +63,7 @@ public:
 
     void SetAxis(int axis, Sint16 value) {
         std::lock_guard lock{mutex};
-        state.axes[axis] = value;
+        state.axes.insert_or_assign(axis, value);
     }
 
     float GetAxis(int axis) const {
@@ -93,7 +90,7 @@ public:
 
     void SetHat(int hat, Uint8 direction) {
         std::lock_guard lock{mutex};
-        state.hats[hat] = direction;
+        state.hats.insert_or_assign(hat, direction);
     }
 
     bool GetHatDirection(int hat, Uint8 direction) const {
@@ -118,10 +115,8 @@ public:
         return sdl_joystick.get();
     }
 
-    void SetSDLJoystick(SDL_Joystick* joystick,
-                        decltype(&SDL_JoystickClose) deleter = &SDL_JoystickClose) {
-        sdl_joystick =
-            std::unique_ptr<SDL_Joystick, decltype(&SDL_JoystickClose)>(joystick, deleter);
+    void SetSDLJoystick(SDL_Joystick* joystick) {
+        sdl_joystick.reset(joystick);
     }
 
 private:
@@ -136,59 +131,57 @@ private:
     mutable std::mutex mutex;
 };
 
-/**
- * Get the nth joystick with the corresponding GUID
- */
 std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickByGUID(const std::string& guid, int port) {
     std::lock_guard lock{joystick_map_mutex};
     const auto it = joystick_map.find(guid);
     if (it != joystick_map.end()) {
-        while (it->second.size() <= port) {
-            auto joystick = std::make_shared<SDLJoystick>(guid, it->second.size(), nullptr,
-                                                          [](SDL_Joystick*) {});
+        while (it->second.size() <= static_cast<std::size_t>(port)) {
+            auto joystick =
+                std::make_shared<SDLJoystick>(guid, static_cast<int>(it->second.size()), nullptr);
             it->second.emplace_back(std::move(joystick));
         }
         return it->second[port];
     }
-    auto joystick = std::make_shared<SDLJoystick>(guid, 0, nullptr, [](SDL_Joystick*) {});
+    auto joystick = std::make_shared<SDLJoystick>(guid, 0, nullptr);
     return joystick_map[guid].emplace_back(std::move(joystick));
 }
 
-/**
- * Check how many identical joysticks (by guid) were connected before the one with sdl_id and so tie
- * it to a SDLJoystick with the same guid and that port
- */
 std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickBySDLID(SDL_JoystickID sdl_id) {
     auto sdl_joystick = SDL_JoystickFromInstanceID(sdl_id);
     const std::string guid = GetGUID(sdl_joystick);
 
     std::lock_guard lock{joystick_map_mutex};
-    auto map_it = joystick_map.find(guid);
+    const auto map_it = joystick_map.find(guid);
     if (map_it != joystick_map.end()) {
-        auto vec_it = std::find_if(map_it->second.begin(), map_it->second.end(),
-                                   [&sdl_joystick](const std::shared_ptr<SDLJoystick>& joystick) {
-                                       return sdl_joystick == joystick->GetSDLJoystick();
-                                   });
+        const auto vec_it =
+            std::find_if(map_it->second.begin(), map_it->second.end(),
+                         [&sdl_joystick](const std::shared_ptr<SDLJoystick>& joystick) {
+                             return sdl_joystick == joystick->GetSDLJoystick();
+                         });
         if (vec_it != map_it->second.end()) {
             // This is the common case: There is already an existing SDL_Joystick maped to a
             // SDLJoystick. return the SDLJoystick
             return *vec_it;
         }
+
         // Search for a SDLJoystick without a mapped SDL_Joystick...
-        auto nullptr_it = std::find_if(map_it->second.begin(), map_it->second.end(),
-                                       [](const std::shared_ptr<SDLJoystick>& joystick) {
-                                           return !joystick->GetSDLJoystick();
-                                       });
+        const auto nullptr_it = std::find_if(map_it->second.begin(), map_it->second.end(),
+                                             [](const std::shared_ptr<SDLJoystick>& joystick) {
+                                                 return !joystick->GetSDLJoystick();
+                                             });
         if (nullptr_it != map_it->second.end()) {
             // ... and map it
             (*nullptr_it)->SetSDLJoystick(sdl_joystick);
             return *nullptr_it;
         }
+
         // There is no SDLJoystick without a mapped SDL_Joystick
         // Create a new SDLJoystick
-        auto joystick = std::make_shared<SDLJoystick>(guid, map_it->second.size(), sdl_joystick);
+        const int port = static_cast<int>(map_it->second.size());
+        auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick);
         return map_it->second.emplace_back(std::move(joystick));
     }
+
     auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick);
     return joystick_map[guid].emplace_back(std::move(joystick));
 }
@@ -215,17 +208,19 @@ void SDLState::InitJoystick(int joystick_index) {
         (*it)->SetSDLJoystick(sdl_joystick);
         return;
     }
-    auto joystick = std::make_shared<SDLJoystick>(guid, joystick_guid_list.size(), sdl_joystick);
+    const int port = static_cast<int>(joystick_guid_list.size());
+    auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick);
     joystick_guid_list.emplace_back(std::move(joystick));
 }
 
 void SDLState::CloseJoystick(SDL_Joystick* sdl_joystick) {
-    std::string guid = GetGUID(sdl_joystick);
+    const std::string guid = GetGUID(sdl_joystick);
+
     std::shared_ptr<SDLJoystick> joystick;
     {
         std::lock_guard lock{joystick_map_mutex};
         // This call to guid is safe since the joystick is guaranteed to be in the map
-        auto& joystick_guid_list = joystick_map[guid];
+        const auto& joystick_guid_list = joystick_map[guid];
         const auto joystick_it =
             std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(),
                          [&sdl_joystick](const std::shared_ptr<SDLJoystick>& joystick) {
@@ -233,9 +228,10 @@ void SDLState::CloseJoystick(SDL_Joystick* sdl_joystick) {
                          });
         joystick = *joystick_it;
     }
-    // Destruct SDL_Joystick outside the lock guard because SDL can internally call event calback
-    // which locks the mutex again
-    joystick->SetSDLJoystick(nullptr, [](SDL_Joystick*) {});
+
+    // Destruct SDL_Joystick outside the lock guard because SDL can internally call the
+    // event callback which locks the mutex again.
+    joystick->SetSDLJoystick(nullptr);
 }
 
 void SDLState::HandleGameControllerEvent(const SDL_Event& event) {
@@ -317,9 +313,10 @@ public:
           trigger_if_greater(trigger_if_greater_) {}
 
     bool GetStatus() const override {
-        float axis_value = joystick->GetAxis(axis);
-        if (trigger_if_greater)
+        const float axis_value = joystick->GetAxis(axis);
+        if (trigger_if_greater) {
             return axis_value > threshold;
+        }
         return axis_value < threshold;
     }
 
@@ -444,7 +441,7 @@ public:
         const int port = params.Get("port", 0);
         const int axis_x = params.Get("axis_x", 0);
         const int axis_y = params.Get("axis_y", 1);
-        float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, .99f);
+        const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, .99f);
 
         auto joystick = state.GetSDLJoystickByGUID(guid, port);
 
@@ -470,7 +467,7 @@ SDLState::SDLState() {
         return;
     }
     if (SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1") == SDL_FALSE) {
-        LOG_ERROR(Input, "Failed to set Hint for background events", SDL_GetError());
+        LOG_ERROR(Input, "Failed to set hint for background events with: {}", SDL_GetError());
     }
 
     SDL_AddEventWatch(&SDLEventWatcher, this);
@@ -507,12 +504,12 @@ SDLState::~SDLState() {
     }
 }
 
-Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Event& event) {
+static Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Event& event) {
     Common::ParamPackage params({{"engine", "sdl"}});
 
     switch (event.type) {
     case SDL_JOYAXISMOTION: {
-        auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
+        const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
         params.Set("port", joystick->GetPort());
         params.Set("guid", joystick->GetGUID());
         params.Set("axis", event.jaxis.axis);
@@ -526,14 +523,14 @@ Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Eve
         break;
     }
     case SDL_JOYBUTTONUP: {
-        auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which);
+        const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which);
         params.Set("port", joystick->GetPort());
         params.Set("guid", joystick->GetGUID());
         params.Set("button", event.jbutton.button);
         break;
     }
     case SDL_JOYHATMOTION: {
-        auto joystick = state.GetSDLJoystickBySDLID(event.jhat.which);
+        const auto joystick = state.GetSDLJoystickBySDLID(event.jhat.which);
         params.Set("port", joystick->GetPort());
         params.Set("guid", joystick->GetGUID());
         params.Set("hat", event.jhat.hat);
@@ -607,8 +604,8 @@ public:
         SDLPoller::Start();
 
         // Reset stored axes
-        analog_xaxis = -1;
-        analog_yaxis = -1;
+        analog_x_axis = -1;
+        analog_y_axis = -1;
         analog_axes_joystick = -1;
     }
 
@@ -620,25 +617,25 @@ public:
             }
             // An analog device needs two axes, so we need to store the axis for later and wait for
             // a second SDL event. The axes also must be from the same joystick.
-            int axis = event.jaxis.axis;
-            if (analog_xaxis == -1) {
-                analog_xaxis = axis;
+            const int axis = event.jaxis.axis;
+            if (analog_x_axis == -1) {
+                analog_x_axis = axis;
                 analog_axes_joystick = event.jaxis.which;
-            } else if (analog_yaxis == -1 && analog_xaxis != axis &&
+            } else if (analog_y_axis == -1 && analog_x_axis != axis &&
                        analog_axes_joystick == event.jaxis.which) {
-                analog_yaxis = axis;
+                analog_y_axis = axis;
             }
         }
         Common::ParamPackage params;
-        if (analog_xaxis != -1 && analog_yaxis != -1) {
-            auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
+        if (analog_x_axis != -1 && analog_y_axis != -1) {
+            const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
             params.Set("engine", "sdl");
             params.Set("port", joystick->GetPort());
             params.Set("guid", joystick->GetGUID());
-            params.Set("axis_x", analog_xaxis);
-            params.Set("axis_y", analog_yaxis);
-            analog_xaxis = -1;
-            analog_yaxis = -1;
+            params.Set("axis_x", analog_x_axis);
+            params.Set("axis_y", analog_y_axis);
+            analog_x_axis = -1;
+            analog_y_axis = -1;
             analog_axes_joystick = -1;
             return params;
         }
@@ -646,8 +643,8 @@ public:
     }
 
 private:
-    int analog_xaxis = -1;
-    int analog_yaxis = -1;
+    int analog_x_axis = -1;
+    int analog_y_axis = -1;
     SDL_JoystickID analog_axes_joystick = -1;
 };
 } // namespace Polling
@@ -667,5 +664,4 @@ SDLState::Pollers SDLState::GetPollers(InputCommon::Polling::DeviceType type) {
     return pollers;
 }
 
-} // namespace SDL
-} // namespace InputCommon
+} // namespace InputCommon::SDL