Revert "CMake: Get Git submodule dependencies via CMake (#2474)"

This reverts commit 5cef446f42.

.github/FUNDING.yml

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

CMakeLists.txt

@@ -132,7 +132,7 @@ find_package(Threads REQUIRED)
 if (ENABLE_SDL2)
     if (YUZU_USE_BUNDLED_SDL2)
         # Detect toolchain and platform
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
+        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
             set(SDL2_VER "SDL2-2.0.8")
         else()
             message(FATAL_ERROR "No bundled SDL2 binaries for your toolchain. Disable YUZU_USE_BUNDLED_SDL2 and provide your own.")
@@ -165,7 +165,7 @@ if (YUZU_USE_BUNDLED_UNICORN)
     if (MSVC)
         message(STATUS "unicorn not found, falling back to bundled")
         # Detect toolchain and platform
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
+        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
             set(UNICORN_VER "unicorn-yuzu")
         else()
             message(FATAL_ERROR "No bundled Unicorn binaries for your toolchain. Disable YUZU_USE_BUNDLED_UNICORN and provide your own.")
@@ -233,7 +233,7 @@ endif()
 
 if (ENABLE_QT)
     if (YUZU_USE_BUNDLED_QT)
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
+        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
             set(QT_VER qt-5.12.0-msvc2017_64)
         else()
             message(FATAL_ERROR "No bundled Qt binaries for your toolchain. Disable YUZU_USE_BUNDLED_QT and provide your own.")

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/CMakeLists.txt

@@ -88,6 +88,7 @@ add_subdirectory(tests)
 
 if (ENABLE_SDL2)
     add_subdirectory(yuzu_cmd)
+    add_subdirectory(yuzu_tester)
 endif()
 
 if (ENABLE_QT)

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
@@ -43,6 +45,8 @@ add_library(core STATIC
     file_sys/fsmitm_romfsbuild.h
     file_sys/ips_layer.cpp
     file_sys/ips_layer.h
+    file_sys/kernel_executable.cpp
+    file_sys/kernel_executable.h
     file_sys/mode.h
     file_sys/nca_metadata.cpp
     file_sys/nca_metadata.h
@@ -205,8 +209,6 @@ add_library(core STATIC
     hle/service/apm/apm.h
     hle/service/apm/interface.cpp
     hle/service/apm/interface.h
-    hle/service/arp/arp.cpp
-    hle/service/arp/arp.h
     hle/service/audio/audctl.cpp
     hle/service/audio/audctl.h
     hle/service/audio/auddbg.cpp
@@ -272,6 +274,15 @@ add_library(core STATIC
     hle/service/friend/friend.h
     hle/service/friend/interface.cpp
     hle/service/friend/interface.h
+    hle/service/glue/arp.cpp
+    hle/service/glue/arp.h
+    hle/service/glue/bgtc.cpp
+    hle/service/glue/bgtc.h
+    hle/service/glue/errors.h
+    hle/service/glue/glue.cpp
+    hle/service/glue/glue.h
+    hle/service/glue/manager.cpp
+    hle/service/glue/manager.h
     hle/service/grc/grc.cpp
     hle/service/grc/grc.h
     hle/service/hid/hid.cpp
@@ -310,6 +321,8 @@ 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 +339,9 @@ 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
@@ -433,6 +449,8 @@ add_library(core STATIC
     loader/deconstructed_rom_directory.h
     loader/elf.cpp
     loader/elf.h
+    loader/kip.cpp
+    loader/kip.h
     loader/loader.cpp
     loader/loader.h
     loader/nax.cpp
@@ -452,19 +470,20 @@ add_library(core STATIC
     memory_setup.h
     perf_stats.cpp
     perf_stats.h
+    reporter.cpp
+    reporter.h
     settings.cpp
     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)
 
 target_link_libraries(core PUBLIC common PRIVATE audio_core video_core)
-target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt mbedtls opus unicorn open_source_archives)
+target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt json-headers mbedtls opus unicorn open_source_archives)
 if (ENABLE_WEB_SERVICE)
     target_compile_definitions(core PRIVATE -DENABLE_WEB_SERVICE)
     target_link_libraries(core PRIVATE web_service)

src/core/arm/arm_interface.cpp

@@ -2,26 +2,213 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <map>
+#include <optional>
+#include "common/bit_field.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "core/arm/arm_interface.h"
+#include "core/core.h"
+#include "core/loader/loader.h"
 #include "core/memory.h"
 
 namespace Core {
-void ARM_Interface::LogBacktrace() const {
-    VAddr fp = GetReg(29);
-    VAddr lr = GetReg(30);
-    const VAddr sp = GetReg(13);
-    const VAddr pc = GetPC();
 
-    LOG_ERROR(Core_ARM, "Backtrace, sp={:016X}, pc={:016X}", sp, pc);
+namespace {
+
+constexpr u64 ELF_DYNAMIC_TAG_NULL = 0;
+constexpr u64 ELF_DYNAMIC_TAG_STRTAB = 5;
+constexpr u64 ELF_DYNAMIC_TAG_SYMTAB = 6;
+constexpr u64 ELF_DYNAMIC_TAG_SYMENT = 11;
+
+enum class ELFSymbolType : u8 {
+    None = 0,
+    Object = 1,
+    Function = 2,
+    Section = 3,
+    File = 4,
+    Common = 5,
+    TLS = 6,
+};
+
+enum class ELFSymbolBinding : u8 {
+    Local = 0,
+    Global = 1,
+    Weak = 2,
+};
+
+enum class ELFSymbolVisibility : u8 {
+    Default = 0,
+    Internal = 1,
+    Hidden = 2,
+    Protected = 3,
+};
+
+struct ELFSymbol {
+    u32 name_index;
+    union {
+        u8 info;
+
+        BitField<0, 4, ELFSymbolType> type;
+        BitField<4, 4, ELFSymbolBinding> binding;
+    };
+    ELFSymbolVisibility visibility;
+    u16 sh_index;
+    u64 value;
+    u64 size;
+};
+static_assert(sizeof(ELFSymbol) == 0x18, "ELFSymbol has incorrect size.");
+
+using Symbols = std::vector<std::pair<ELFSymbol, std::string>>;
+
+Symbols GetSymbols(VAddr text_offset) {
+    const auto mod_offset = text_offset + Memory::Read32(text_offset + 4);
+
+    if (mod_offset < text_offset || (mod_offset & 0b11) != 0 ||
+        Memory::Read32(mod_offset) != Common::MakeMagic('M', 'O', 'D', '0')) {
+        return {};
+    }
+
+    const auto dynamic_offset = Memory::Read32(mod_offset + 0x4) + mod_offset;
+
+    VAddr string_table_offset{};
+    VAddr symbol_table_offset{};
+    u64 symbol_entry_size{};
+
+    VAddr dynamic_index = dynamic_offset;
     while (true) {
-        LOG_ERROR(Core_ARM, "{:016X}", lr);
+        const auto tag = Memory::Read64(dynamic_index);
+        const auto value = Memory::Read64(dynamic_index + 0x8);
+        dynamic_index += 0x10;
+
+        if (tag == ELF_DYNAMIC_TAG_NULL) {
+            break;
+        }
+
+        if (tag == ELF_DYNAMIC_TAG_STRTAB) {
+            string_table_offset = value;
+        } else if (tag == ELF_DYNAMIC_TAG_SYMTAB) {
+            symbol_table_offset = value;
+        } else if (tag == ELF_DYNAMIC_TAG_SYMENT) {
+            symbol_entry_size = value;
+        }
+    }
+
+    if (string_table_offset == 0 || symbol_table_offset == 0 || symbol_entry_size == 0) {
+        return {};
+    }
+
+    const auto string_table_address = text_offset + string_table_offset;
+    const auto symbol_table_address = text_offset + symbol_table_offset;
+
+    Symbols out;
+
+    VAddr symbol_index = symbol_table_address;
+    while (symbol_index < string_table_address) {
+        ELFSymbol symbol{};
+        Memory::ReadBlock(symbol_index, &symbol, sizeof(ELFSymbol));
+
+        VAddr string_offset = string_table_address + symbol.name_index;
+        std::string name;
+        for (u8 c = Memory::Read8(string_offset); c != 0; c = Memory::Read8(++string_offset)) {
+            name += static_cast<char>(c);
+        }
+
+        symbol_index += symbol_entry_size;
+        out.push_back({symbol, name});
+    }
+
+    return out;
+}
+
+std::optional<std::string> GetSymbolName(const Symbols& symbols, VAddr func_address) {
+    const auto iter =
+        std::find_if(symbols.begin(), symbols.end(), [func_address](const auto& pair) {
+            const auto& [symbol, name] = pair;
+            const auto end_address = symbol.value + symbol.size;
+            return func_address >= symbol.value && func_address < end_address;
+        });
+
+    if (iter == symbols.end()) {
+        return std::nullopt;
+    }
+
+    return iter->second;
+}
+
+} // Anonymous namespace
+
+constexpr u64 SEGMENT_BASE = 0x7100000000ull;
+
+std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
+    std::vector<BacktraceEntry> out;
+
+    auto fp = GetReg(29);
+    auto lr = GetReg(30);
+
+    while (true) {
+        out.push_back({"", 0, lr, 0});
         if (!fp) {
             break;
         }
         lr = Memory::Read64(fp + 8) - 4;
         fp = Memory::Read64(fp);
     }
+
+    std::map<VAddr, std::string> modules;
+    auto& loader{System::GetInstance().GetAppLoader()};
+    if (loader.ReadNSOModules(modules) != Loader::ResultStatus::Success) {
+        return {};
+    }
+
+    std::map<std::string, Symbols> symbols;
+    for (const auto& module : modules) {
+        symbols.insert_or_assign(module.second, GetSymbols(module.first));
+    }
+
+    for (auto& entry : out) {
+        VAddr base = 0;
+        for (auto iter = modules.rbegin(); iter != modules.rend(); ++iter) {
+            const auto& module{*iter};
+            if (entry.original_address >= module.first) {
+                entry.module = module.second;
+                base = module.first;
+                break;
+            }
+        }
+
+        entry.offset = entry.original_address - base;
+        entry.address = SEGMENT_BASE + entry.offset;
+
+        if (entry.module.empty())
+            entry.module = "unknown";
+
+        const auto symbol_set = symbols.find(entry.module);
+        if (symbol_set != symbols.end()) {
+            const auto symbol = GetSymbolName(symbol_set->second, entry.offset);
+            if (symbol.has_value()) {
+                // TODO(DarkLordZach): Add demangling of symbol names.
+                entry.name = *symbol;
+            }
+        }
+    }
+
+    return out;
 }
+
+void ARM_Interface::LogBacktrace() const {
+    const VAddr sp = GetReg(13);
+    const VAddr pc = GetPC();
+    LOG_ERROR(Core_ARM, "Backtrace, sp={:016X}, pc={:016X}", sp, pc);
+    LOG_ERROR(Core_ARM, "{:20}{:20}{:20}{:20}{}", "Module Name", "Address", "Original Address",
+              "Offset", "Symbol");
+    LOG_ERROR(Core_ARM, "");
+
+    const auto backtrace = GetBacktrace();
+    for (const auto& entry : backtrace) {
+        LOG_ERROR(Core_ARM, "{:20}{:016X}    {:016X}    {:016X}    {}", entry.module, entry.address,
+                  entry.original_address, entry.offset, entry.name);
+    }
+}
+
 } // namespace Core

src/core/arm/arm_interface.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <array>
+#include <vector>
 #include "common/common_types.h"
 
 namespace Common {
@@ -152,6 +153,16 @@ public:
     /// Prepare core for thread reschedule (if needed to correctly handle state)
     virtual void PrepareReschedule() = 0;
 
+    struct BacktraceEntry {
+        std::string module;
+        u64 address;
+        u64 original_address;
+        u64 offset;
+        std::string name;
+    };
+
+    std::vector<BacktraceEntry> GetBacktrace() const;
+
     /// fp (= r29) points to the last frame record.
     /// Note that this is the frame record for the *previous* frame, not the current one.
     /// Note we need to subtract 4 from our last read to get the proper address

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"
@@ -30,22 +25,47 @@
 #include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/service/am/applets/applets.h"
+#include "core/hle/service/glue/manager.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
 #include "core/perf_stats.h"
+#include "core/reporter.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 "file_sys/patch_manager.h"
 #include "video_core/debug_utils/debug_utils.h"
 #include "video_core/renderer_base.h"
 #include "video_core/video_core.h"
 
 namespace Core {
 
+namespace {
+
+FileSys::StorageId GetStorageIdForFrontendSlot(
+    std::optional<FileSys::ContentProviderUnionSlot> slot) {
+    if (!slot.has_value()) {
+        return FileSys::StorageId::None;
+    }
+
+    switch (*slot) {
+    case FileSys::ContentProviderUnionSlot::UserNAND:
+        return FileSys::StorageId::NandUser;
+    case FileSys::ContentProviderUnionSlot::SysNAND:
+        return FileSys::StorageId::NandSystem;
+    case FileSys::ContentProviderUnionSlot::SDMC:
+        return FileSys::StorageId::SdCard;
+    case FileSys::ContentProviderUnionSlot::FrontendManual:
+        return FileSys::StorageId::Host;
+    default:
+        return FileSys::StorageId::None;
+    }
+}
+
+} // Anonymous namespace
+
 /*static*/ System System::s_instance;
 
 FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
@@ -82,7 +102,7 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
     return vfs->OpenFile(path, FileSys::Mode::Read);
 }
 struct System::Impl {
-    explicit Impl(System& system) : kernel{system}, cpu_core_manager{system} {}
+    explicit Impl(System& system) : kernel{system}, cpu_core_manager{system}, reporter{system} {}
 
     Cpu& CurrentCpuCore() {
         return cpu_core_manager.GetCurrentCore();
@@ -117,6 +137,9 @@ struct System::Impl {
         /// Create default implementations of applets if one is not provided.
         applet_manager.SetDefaultAppletsIfMissing();
 
+        /// Reset all glue registrations
+        arp_manager.ResetAll();
+
         telemetry_session = std::make_unique<Core::TelemetrySession>();
         service_manager = std::make_shared<Service::SM::ServiceManager>();
 
@@ -144,20 +167,10 @@ 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) {
@@ -167,7 +180,9 @@ struct System::Impl {
             return init_result;
         }
 
-        auto main_process = Kernel::Process::Create(system, "main");
+        telemetry_session->AddInitialInfo(*app_loader);
+        auto main_process =
+            Kernel::Process::Create(system, "main", Kernel::Process::ProcessType::Userland);
         const auto [load_result, load_parameters] = app_loader->Load(*main_process);
         if (load_result != Loader::ResultStatus::Success) {
             LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<int>(load_result));
@@ -176,6 +191,7 @@ struct System::Impl {
             return static_cast<ResultStatus>(static_cast<u32>(ResultStatus::ErrorLoader) +
                                              static_cast<u32>(load_result));
         }
+        AddGlueRegistrationForProcess(*app_loader, *main_process);
         kernel.MakeCurrentProcess(main_process.get());
 
         // Main process has been loaded and been made current.
@@ -234,6 +250,31 @@ struct System::Impl {
         return app_loader->ReadTitle(out);
     }
 
+    void AddGlueRegistrationForProcess(Loader::AppLoader& loader, Kernel::Process& process) {
+        std::vector<u8> nacp_data;
+        FileSys::NACP nacp;
+        if (loader.ReadControlData(nacp) == Loader::ResultStatus::Success) {
+            nacp_data = nacp.GetRawBytes();
+        } else {
+            nacp_data.resize(sizeof(FileSys::RawNACP));
+        }
+
+        Service::Glue::ApplicationLaunchProperty launch{};
+        launch.title_id = process.GetTitleID();
+
+        FileSys::PatchManager pm{launch.title_id};
+        launch.version = pm.GetGameVersion().value_or(0);
+
+        // TODO(DarkLordZach): When FSController/Game Card Support is added, if
+        // current_process_game_card use correct StorageId
+        launch.base_game_storage_id = GetStorageIdForFrontendSlot(content_provider->GetSlotForEntry(
+            launch.title_id, FileSys::ContentRecordType::Program));
+        launch.update_storage_id = GetStorageIdForFrontendSlot(content_provider->GetSlotForEntry(
+            FileSys::GetUpdateTitleID(launch.title_id), FileSys::ContentRecordType::Program));
+
+        arp_manager.Register(launch.title_id, launch, std::move(nacp_data));
+    }
+
     void SetStatus(ResultStatus new_status, const char* details = nullptr) {
         status = new_status;
         if (details) {
@@ -260,16 +301,22 @@ 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;
 
+    /// Glue services
+    Service::Glue::ARPManager arp_manager;
+
     /// Service manager
     std::shared_ptr<Service::SM::ServiceManager> service_manager;
 
     /// Telemetry session for this emulation session
     std::unique_ptr<Core::TelemetrySession> telemetry_session;
 
+    Reporter reporter;
+
     ResultStatus status = ResultStatus::Success;
     std::string status_details = "";
 
@@ -509,6 +556,18 @@ void System::ClearContentProvider(FileSys::ContentProviderUnionSlot slot) {
     impl->content_provider->ClearSlot(slot);
 }
 
+const Reporter& System::GetReporter() const {
+    return impl->reporter;
+}
+
+Service::Glue::ARPManager& System::GetARPManager() {
+    return impl->arp_manager;
+}
+
+const Service::Glue::ARPManager& System::GetARPManager() const {
+    return impl->arp_manager;
+}
+
 System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
     return impl->Init(*this, emu_window);
 }

src/core/core.h

@@ -8,6 +8,7 @@
 #include <memory>
 #include <string>
 
+#include <map>
 #include "common/common_types.h"
 #include "core/file_sys/vfs_types.h"
 #include "core/hle/kernel/object.h"
@@ -42,6 +43,10 @@ struct AppletFrontendSet;
 class AppletManager;
 } // namespace AM::Applets
 
+namespace Glue {
+class ARPManager;
+}
+
 namespace SM {
 class ServiceManager;
 } // namespace SM
@@ -68,6 +73,7 @@ class Cpu;
 class ExclusiveMonitor;
 class FrameLimiter;
 class PerfStats;
+class Reporter;
 class TelemetrySession;
 
 struct PerfStatsResults;
@@ -98,7 +104,6 @@ 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
@@ -285,6 +290,12 @@ public:
 
     void ClearContentProvider(FileSys::ContentProviderUnionSlot slot);
 
+    const Reporter& GetReporter() const;
+
+    Service::Glue::ARPManager& GetARPManager();
+
+    const Service::Glue::ARPManager& GetARPManager() const;
+
 private:
     System();
 

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/crypto/partition_data_manager.cpp

@@ -22,8 +22,10 @@
 #include "core/crypto/key_manager.h"
 #include "core/crypto/partition_data_manager.h"
 #include "core/crypto/xts_encryption_layer.h"
+#include "core/file_sys/kernel_executable.h"
 #include "core/file_sys/vfs.h"
 #include "core/file_sys/vfs_offset.h"
+#include "core/file_sys/vfs_vector.h"
 
 using namespace Common;
 
@@ -45,36 +47,6 @@ struct Package2Header {
 };
 static_assert(sizeof(Package2Header) == 0x200, "Package2Header has incorrect size.");
 
-struct INIHeader {
-    u32_le magic;
-    u32_le size;
-    u32_le process_count;
-    INSERT_PADDING_BYTES(4);
-};
-static_assert(sizeof(INIHeader) == 0x10, "INIHeader has incorrect size.");
-
-struct SectionHeader {
-    u32_le offset;
-    u32_le size_decompressed;
-    u32_le size_compressed;
-    u32_le attribute;
-};
-static_assert(sizeof(SectionHeader) == 0x10, "SectionHeader has incorrect size.");
-
-struct KIPHeader {
-    u32_le magic;
-    std::array<char, 12> name;
-    u64_le title_id;
-    u32_le category;
-    u8 priority;
-    u8 core;
-    INSERT_PADDING_BYTES(1);
-    u8 flags;
-    std::array<SectionHeader, 6> sections;
-    std::array<u32, 0x20> capabilities;
-};
-static_assert(sizeof(KIPHeader) == 0x100, "KIPHeader has incorrect size.");
-
 const std::array<SHA256Hash, 0x10> source_hashes{
     "B24BD293259DBC7AC5D63F88E60C59792498E6FC5443402C7FFE87EE8B61A3F0"_array32, // keyblob_mac_key_source
     "7944862A3A5C31C6720595EFD302245ABD1B54CCDCF33000557681E65C5664A4"_array32, // master_key_source
@@ -170,65 +142,6 @@ const std::array<SHA256Hash, 0x20> master_key_hashes{
     "0000000000000000000000000000000000000000000000000000000000000000"_array32, // master_key_1F
 };
 
-static std::vector<u8> DecompressBLZ(const std::vector<u8>& in) {
-    const auto data_size = in.size() - 0xC;
-
-    u32 compressed_size{};
-    u32 init_index{};
-    u32 additional_size{};
-    std::memcpy(&compressed_size, in.data() + data_size, sizeof(u32));
-    std::memcpy(&init_index, in.data() + data_size + 0x4, sizeof(u32));
-    std::memcpy(&additional_size, in.data() + data_size + 0x8, sizeof(u32));
-
-    std::vector<u8> out(in.size() + additional_size);
-
-    if (compressed_size == in.size())
-        std::memcpy(out.data(), in.data() + in.size() - compressed_size, compressed_size);
-    else
-        std::memcpy(out.data(), in.data(), compressed_size);
-
-    auto index = in.size() - init_index;
-    auto out_index = out.size();
-
-    while (out_index > 0) {
-        --index;
-        auto control = in[index];
-        for (size_t i = 0; i < 8; ++i) {
-            if ((control & 0x80) > 0) {
-                ASSERT(index >= 2);
-                index -= 2;
-                u64 segment_offset = in[index] | in[index + 1] << 8;
-                u64 segment_size = ((segment_offset >> 12) & 0xF) + 3;
-                segment_offset &= 0xFFF;
-                segment_offset += 3;
-
-                if (out_index < segment_size)
-                    segment_size = out_index;
-
-                ASSERT(out_index >= segment_size);
-
-                out_index -= segment_size;
-
-                for (size_t j = 0; j < segment_size; ++j) {
-                    ASSERT(out_index + j + segment_offset < out.size());
-                    out[out_index + j] = out[out_index + j + segment_offset];
-                }
-            } else {
-                ASSERT(out_index >= 1);
-                --out_index;
-                --index;
-                out[out_index] = in[index];
-            }
-
-            control <<= 1;
-            if (out_index == 0)
-                return out;
-        }
-    }
-
-    return out;
-}
-
 static u8 CalculateMaxKeyblobSourceHash() {
     for (s8 i = 0x1F; i >= 0; --i) {
         if (keyblob_source_hashes[i] != SHA256Hash{})
@@ -478,37 +391,22 @@ void PartitionDataManager::DecryptPackage2(const std::array<Key128, 0x20>& packa
     cipher.SetIV({header.section_ctr[1].begin(), header.section_ctr[1].end()});
     cipher.Transcode(c.data(), c.size(), c.data(), Op::Decrypt);
 
-    INIHeader ini;
-    std::memcpy(&ini, c.data(), sizeof(INIHeader));
-    if (ini.magic != Common::MakeMagic('I', 'N', 'I', '1'))
+    const auto ini_file = std::make_shared<FileSys::VectorVfsFile>(c);
+    const FileSys::INI ini{ini_file};
+    if (ini.GetStatus() != Loader::ResultStatus::Success)
         return;
 
-    u64 offset = sizeof(INIHeader);
-    for (size_t i = 0; i < ini.process_count; ++i) {
-        KIPHeader kip;
-        std::memcpy(&kip, c.data() + offset, sizeof(KIPHeader));
-        if (kip.magic != Common::MakeMagic('K', 'I', 'P', '1'))
+    for (const auto& kip : ini.GetKIPs()) {
+        if (kip.GetStatus() != Loader::ResultStatus::Success)
             return;
 
-        const auto name =
-            Common::StringFromFixedZeroTerminatedBuffer(kip.name.data(), kip.name.size());
-
-        if (name != "FS" && name != "spl") {
-            offset += sizeof(KIPHeader) + kip.sections[0].size_compressed +
-                      kip.sections[1].size_compressed + kip.sections[2].size_compressed;
+        if (kip.GetName() != "FS" && kip.GetName() != "spl") {
             continue;
         }
 
-        const u64 initial_offset = sizeof(KIPHeader) + offset;
-        const auto text_begin = c.cbegin() + initial_offset;
-        const auto text_end = text_begin + kip.sections[0].size_compressed;
-        const std::vector<u8> text = DecompressBLZ({text_begin, text_end});
-
-        const auto rodata_end = text_end + kip.sections[1].size_compressed;
-        const std::vector<u8> rodata = DecompressBLZ({text_end, rodata_end});
-
-        const auto data_end = rodata_end + kip.sections[2].size_compressed;
-        const std::vector<u8> data = DecompressBLZ({rodata_end, data_end});
+        const auto& text = kip.GetTextSection();
+        const auto& rodata = kip.GetRODataSection();
+        const auto& data = kip.GetDataSection();
 
         std::vector<u8> out;
         out.reserve(text.size() + rodata.size() + data.size());
@@ -516,12 +414,9 @@ void PartitionDataManager::DecryptPackage2(const std::array<Key128, 0x20>& packa
         out.insert(out.end(), rodata.begin(), rodata.end());
         out.insert(out.end(), data.begin(), data.end());
 
-        offset += sizeof(KIPHeader) + kip.sections[0].size_compressed +
-                  kip.sections[1].size_compressed + kip.sections[2].size_compressed;
-
-        if (name == "FS")
+        if (kip.GetName() == "FS")
             package2_fs[static_cast<size_t>(type)] = std::move(out);
-        else if (name == "spl")
+        else if (kip.GetName() == "spl")
             package2_spl[static_cast<size_t>(type)] = std::move(out);
     }
 }

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/kernel_executable.cpp

@@ -0,0 +1,228 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/string_util.h"
+#include "core/file_sys/kernel_executable.h"
+#include "core/file_sys/vfs_offset.h"
+
+namespace FileSys {
+
+constexpr u32 INI_MAX_KIPS = 0x50;
+
+namespace {
+bool DecompressBLZ(std::vector<u8>& data) {
+    if (data.size() < 0xC)
+        return {};
+
+    const auto data_size = data.size() - 0xC;
+
+    u32 compressed_size{};
+    u32 init_index{};
+    u32 additional_size{};
+    std::memcpy(&compressed_size, data.data() + data_size, sizeof(u32));
+    std::memcpy(&init_index, data.data() + data_size + 0x4, sizeof(u32));
+    std::memcpy(&additional_size, data.data() + data_size + 0x8, sizeof(u32));
+
+    const auto start_offset = data.size() - compressed_size;
+    data.resize(compressed_size + additional_size + start_offset);
+
+    std::size_t index = compressed_size - init_index;
+    std::size_t out_index = compressed_size + additional_size;
+
+    while (out_index > 0) {
+        --index;
+        auto control = data[index + start_offset];
+        for (size_t i = 0; i < 8; ++i) {
+            if (((control << i) & 0x80) > 0) {
+                if (index < 2) {
+                    return false;
+                }
+                index -= 2;
+                std::size_t segment_offset =
+                    data[index + start_offset] | data[index + start_offset + 1] << 8;
+                std::size_t segment_size = ((segment_offset >> 12) & 0xF) + 3;
+                segment_offset &= 0xFFF;
+                segment_offset += 3;
+
+                if (out_index < segment_size)
+                    segment_size = out_index;
+
+                if (out_index < segment_size) {
+                    return false;
+                }
+
+                out_index -= segment_size;
+
+                for (size_t j = 0; j < segment_size; ++j) {
+                    if (out_index + j + segment_offset + start_offset >= data.size()) {
+                        return false;
+                    }
+                    data[out_index + j + start_offset] =
+                        data[out_index + j + segment_offset + start_offset];
+                }
+            } else {
+                if (out_index < 1) {
+                    return false;
+                }
+                --out_index;
+                --index;
+                data[out_index + start_offset] = data[index + start_offset];
+            }
+
+            if (out_index == 0)
+                break;
+        }
+    }
+
+    return true;
+}
+} // Anonymous namespace
+
+KIP::KIP(const VirtualFile& file) : status(Loader::ResultStatus::Success) {
+    if (file == nullptr) {
+        status = Loader::ResultStatus::ErrorNullFile;
+        return;
+    }
+
+    if (file->GetSize() < sizeof(KIPHeader) || file->ReadObject(&header) != sizeof(KIPHeader)) {
+        status = Loader::ResultStatus::ErrorBadKIPHeader;
+        return;
+    }
+
+    if (header.magic != Common::MakeMagic('K', 'I', 'P', '1')) {
+        status = Loader::ResultStatus::ErrorBadKIPHeader;
+        return;
+    }
+
+    u64 offset = sizeof(KIPHeader);
+    for (std::size_t i = 0; i < header.sections.size(); ++i) {
+        auto compressed = file->ReadBytes(header.sections[i].compressed_size, offset);
+        offset += header.sections[i].compressed_size;
+
+        if (header.sections[i].compressed_size == 0 && header.sections[i].decompressed_size != 0) {
+            decompressed_sections[i] = std::vector<u8>(header.sections[i].decompressed_size);
+        } else if (header.sections[i].compressed_size == header.sections[i].decompressed_size) {
+            decompressed_sections[i] = std::move(compressed);
+        } else {
+            decompressed_sections[i] = compressed;
+            if (!DecompressBLZ(decompressed_sections[i])) {
+                status = Loader::ResultStatus::ErrorBLZDecompressionFailed;
+                return;
+            }
+        }
+    }
+}
+
+Loader::ResultStatus KIP::GetStatus() const {
+    return status;
+}
+
+std::string KIP::GetName() const {
+    return Common::StringFromFixedZeroTerminatedBuffer(header.name.data(), header.name.size());
+}
+
+u64 KIP::GetTitleID() const {
+    return header.title_id;
+}
+
+std::vector<u8> KIP::GetSectionDecompressed(u8 index) const {
+    return decompressed_sections[index];
+}
+
+bool KIP::Is64Bit() const {
+    return (header.flags & 0x8) != 0;
+}
+
+bool KIP::Is39BitAddressSpace() const {
+    return (header.flags & 0x10) != 0;
+}
+
+bool KIP::IsService() const {
+    return (header.flags & 0x20) != 0;
+}
+
+std::vector<u32> KIP::GetKernelCapabilities() const {
+    return std::vector<u32>(header.capabilities.begin(), header.capabilities.end());
+}
+
+s32 KIP::GetMainThreadPriority() const {
+    return header.main_thread_priority;
+}
+
+u32 KIP::GetMainThreadStackSize() const {
+    return header.sections[1].attribute;
+}
+
+u32 KIP::GetMainThreadCpuCore() const {
+    return header.default_core;
+}
+
+const std::vector<u8>& KIP::GetTextSection() const {
+    return decompressed_sections[0];
+}
+
+const std::vector<u8>& KIP::GetRODataSection() const {
+    return decompressed_sections[1];
+}
+
+const std::vector<u8>& KIP::GetDataSection() const {
+    return decompressed_sections[2];
+}
+
+u32 KIP::GetTextOffset() const {
+    return header.sections[0].offset;
+}
+
+u32 KIP::GetRODataOffset() const {
+    return header.sections[1].offset;
+}
+
+u32 KIP::GetDataOffset() const {
+    return header.sections[2].offset;
+}
+
+u32 KIP::GetBSSSize() const {
+    return header.sections[3].decompressed_size;
+}
+
+u32 KIP::GetBSSOffset() const {
+    return header.sections[3].offset;
+}
+
+INI::INI(const VirtualFile& file) : status(Loader::ResultStatus::Success) {
+    if (file->GetSize() < sizeof(INIHeader) || file->ReadObject(&header) != sizeof(INIHeader)) {
+        status = Loader::ResultStatus::ErrorBadINIHeader;
+        return;
+    }
+
+    if (header.magic != Common::MakeMagic('I', 'N', 'I', '1')) {
+        status = Loader::ResultStatus::ErrorBadINIHeader;
+        return;
+    }
+
+    if (header.kip_count > INI_MAX_KIPS) {
+        status = Loader::ResultStatus::ErrorINITooManyKIPs;
+        return;
+    }
+
+    u64 offset = sizeof(INIHeader);
+    for (std::size_t i = 0; i < header.kip_count; ++i) {
+        const auto kip_file =
+            std::make_shared<OffsetVfsFile>(file, file->GetSize() - offset, offset);
+        KIP kip(kip_file);
+        if (kip.GetStatus() == Loader::ResultStatus::Success) {
+            kips.push_back(std::move(kip));
+        }
+    }
+}
+
+Loader::ResultStatus INI::GetStatus() const {
+    return status;
+}
+
+const std::vector<KIP>& INI::GetKIPs() const {
+    return kips;
+}
+
+} // namespace FileSys

src/core/file_sys/kernel_executable.h

@@ -0,0 +1,99 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_funcs.h"
+#include "common/swap.h"
+#include "core/file_sys/vfs_types.h"
+#include "core/loader/loader.h"
+
+namespace FileSys {
+
+struct KIPSectionHeader {
+    u32_le offset;
+    u32_le decompressed_size;
+    u32_le compressed_size;
+    u32_le attribute;
+};
+static_assert(sizeof(KIPSectionHeader) == 0x10, "KIPSectionHeader has incorrect size.");
+
+struct KIPHeader {
+    u32_le magic;
+    std::array<char, 0xC> name;
+    u64_le title_id;
+    u32_le process_category;
+    u8 main_thread_priority;
+    u8 default_core;
+    INSERT_PADDING_BYTES(1);
+    u8 flags;
+    std::array<KIPSectionHeader, 6> sections;
+    std::array<u32, 0x20> capabilities;
+};
+static_assert(sizeof(KIPHeader) == 0x100, "KIPHeader has incorrect size.");
+
+struct INIHeader {
+    u32_le magic;
+    u32_le size;
+    u32_le kip_count;
+    INSERT_PADDING_BYTES(0x4);
+};
+static_assert(sizeof(INIHeader) == 0x10, "INIHeader has incorrect size.");
+
+// Kernel Internal Process
+class KIP {
+public:
+    explicit KIP(const VirtualFile& file);
+
+    Loader::ResultStatus GetStatus() const;
+
+    std::string GetName() const;
+    u64 GetTitleID() const;
+    std::vector<u8> GetSectionDecompressed(u8 index) const;
+
+    // Executable Flags
+    bool Is64Bit() const;
+    bool Is39BitAddressSpace() const;
+    bool IsService() const;
+
+    std::vector<u32> GetKernelCapabilities() const;
+
+    s32 GetMainThreadPriority() const;
+    u32 GetMainThreadStackSize() const;
+    u32 GetMainThreadCpuCore() const;
+
+    const std::vector<u8>& GetTextSection() const;
+    const std::vector<u8>& GetRODataSection() const;
+    const std::vector<u8>& GetDataSection() const;
+
+    u32 GetTextOffset() const;
+    u32 GetRODataOffset() const;
+    u32 GetDataOffset() const;
+
+    u32 GetBSSSize() const;
+    u32 GetBSSOffset() const;
+
+private:
+    Loader::ResultStatus status;
+
+    KIPHeader header{};
+    std::array<std::vector<u8>, 6> decompressed_sections;
+};
+
+class INI {
+public:
+    explicit INI(const VirtualFile& file);
+
+    Loader::ResultStatus GetStatus() const;
+
+    const std::vector<KIP>& GetKIPs() const;
+
+private:
+    Loader::ResultStatus status;
+
+    INIHeader header{};
+    std::vector<KIP> kips;
+};
+
+} // namespace FileSys

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));
 
@@ -493,6 +493,16 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
     return out;
 }
 
+std::optional<u32> PatchManager::GetGameVersion() const {
+    const auto& installed = Core::System::GetInstance().GetContentProvider();
+    const auto update_tid = GetUpdateTitleID(title_id);
+    if (installed.HasEntry(update_tid, ContentRecordType::Program)) {
+        return installed.GetEntryVersion(update_tid);
+    }
+
+    return installed.GetEntryVersion(title_id);
+}
+
 std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
     const auto& installed = Core::System::GetInstance().GetContentProvider();
 

src/core/file_sys/patch_manager.h

@@ -66,8 +66,13 @@ public:
     std::map<std::string, std::string, std::less<>> GetPatchVersionNames(
         VirtualFile update_raw = nullptr) const;
 
-    // Given title_id of the program, attempts to get the control data of the update and parse it,
-    // falling back to the base control data.
+    // If the game update exists, returns the u32 version field in its Meta-type NCA. If that fails,
+    // it will fallback to the Meta-type NCA of the base game. If that fails, the result will be
+    // std::nullopt
+    std::optional<u32> GetGameVersion() const;
+
+    // Given title_id of the program, attempts to get the control data of the update and parse
+    // it, falling back to the base control data.
     std::pair<std::unique_ptr<NACP>, VirtualFile> GetControlMetadata() const;
 
     // Version of GetControlMetadata that takes an arbitrary NCA

src/core/file_sys/program_metadata.cpp

@@ -51,6 +51,21 @@ Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
     return Loader::ResultStatus::Success;
 }
 
+void ProgramMetadata::LoadManual(bool is_64_bit, ProgramAddressSpaceType address_space,
+                                 u8 main_thread_prio, u8 main_thread_core,
+                                 u32 main_thread_stack_size, u64 title_id,
+                                 u64 filesystem_permissions,
+                                 KernelCapabilityDescriptors capabilities) {
+    npdm_header.has_64_bit_instructions.Assign(is_64_bit);
+    npdm_header.address_space_type.Assign(address_space);
+    npdm_header.main_thread_priority = main_thread_prio;
+    npdm_header.main_thread_cpu = main_thread_core;
+    npdm_header.main_stack_size = main_thread_stack_size;
+    aci_header.title_id = title_id;
+    aci_file_access.permissions = filesystem_permissions;
+    aci_kernel_capabilities = std ::move(capabilities);
+}
+
 bool ProgramMetadata::Is64BitProgram() const {
     return npdm_header.has_64_bit_instructions;
 }

src/core/file_sys/program_metadata.h

@@ -46,6 +46,11 @@ public:
 
     Loader::ResultStatus Load(VirtualFile file);
 
+    // Load from parameters instead of NPDM file, used for KIP
+    void LoadManual(bool is_64_bit, ProgramAddressSpaceType address_space, u8 main_thread_prio,
+                    u8 main_thread_core, u32 main_thread_stack_size, u64 title_id,
+                    u64 filesystem_permissions, KernelCapabilityDescriptors capabilities);
+
     bool Is64BitProgram() const;
     ProgramAddressSpaceType GetAddressSpaceType() const;
     u8 GetMainThreadPriority() const;

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,
@@ -643,6 +645,20 @@ ContentProviderUnion::ListEntriesFilterOrigin(std::optional<ContentProviderUnion
     return out;
 }
 
+std::optional<ContentProviderUnionSlot> ContentProviderUnion::GetSlotForEntry(
+    u64 title_id, ContentRecordType type) const {
+    const auto iter =
+        std::find_if(providers.begin(), providers.end(), [title_id, type](const auto& provider) {
+            return provider.second != nullptr && provider.second->HasEntry(title_id, type);
+        });
+
+    if (iter == providers.end()) {
+        return std::nullopt;
+    }
+
+    return iter->first;
+}
+
 ManualContentProvider::~ManualContentProvider() = default;
 
 void ManualContentProvider::AddEntry(TitleType title_type, ContentRecordType content_type,

src/core/file_sys/registered_cache.h

@@ -199,6 +199,9 @@ public:
         std::optional<TitleType> title_type = {}, std::optional<ContentRecordType> record_type = {},
         std::optional<u64> title_id = {}) const;
 
+    std::optional<ContentProviderUnionSlot> GetSlotForEntry(u64 title_id,
+                                                            ContentRecordType type) const;
+
 private:
     std::map<ContentProviderUnionSlot, ContentProvider*> providers;
 };

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/general_frontend.cpp

@@ -7,9 +7,38 @@
 
 namespace Core::Frontend {
 
+ParentalControlsApplet::~ParentalControlsApplet() = default;
+
+DefaultParentalControlsApplet::~DefaultParentalControlsApplet() = default;
+
+void DefaultParentalControlsApplet::VerifyPIN(std::function<void(bool)> finished,
+                                              bool suspend_future_verification_temporarily) {
+    LOG_INFO(Service_AM,
+             "Application requested frontend to verify PIN (normal), "
+             "suspend_future_verification_temporarily={}, verifying as correct.",
+             suspend_future_verification_temporarily);
+    finished(true);
+}
+
+void DefaultParentalControlsApplet::VerifyPINForSettings(std::function<void(bool)> finished) {
+    LOG_INFO(Service_AM,
+             "Application requested frontend to verify PIN (settings), verifying as correct.");
+    finished(true);
+}
+
+void DefaultParentalControlsApplet::RegisterPIN(std::function<void()> finished) {
+    LOG_INFO(Service_AM, "Application requested frontend to register new PIN");
+    finished();
+}
+
+void DefaultParentalControlsApplet::ChangePIN(std::function<void()> finished) {
+    LOG_INFO(Service_AM, "Application requested frontend to change PIN to new value");
+    finished();
+}
+
 PhotoViewerApplet::~PhotoViewerApplet() = default;
 
-DefaultPhotoViewerApplet::~DefaultPhotoViewerApplet() {}
+DefaultPhotoViewerApplet::~DefaultPhotoViewerApplet() = default;
 
 void DefaultPhotoViewerApplet::ShowPhotosForApplication(u64 title_id,
                                                         std::function<void()> finished) const {
@@ -24,4 +53,72 @@ void DefaultPhotoViewerApplet::ShowAllPhotos(std::function<void()> finished) con
     finished();
 }
 
+ECommerceApplet::~ECommerceApplet() = default;
+
+DefaultECommerceApplet::~DefaultECommerceApplet() = default;
+
+void DefaultECommerceApplet::ShowApplicationInformation(
+    std::function<void()> finished, u64 title_id, std::optional<u128> user_id,
+    std::optional<bool> full_display, std::optional<std::string> extra_parameter) {
+    const auto value = user_id.value_or(u128{});
+    LOG_INFO(Service_AM,
+             "Application requested frontend show application information for EShop, "
+             "title_id={:016X}, user_id={:016X}{:016X}, full_display={}, extra_parameter={}",
+             title_id, value[1], value[0],
+             full_display.has_value() ? fmt::format("{}", *full_display) : "null",
+             extra_parameter.value_or("null"));
+    finished();
+}
+
+void DefaultECommerceApplet::ShowAddOnContentList(std::function<void()> finished, u64 title_id,
+                                                  std::optional<u128> user_id,
+                                                  std::optional<bool> full_display) {
+    const auto value = user_id.value_or(u128{});
+    LOG_INFO(Service_AM,
+             "Application requested frontend show add on content list for EShop, "
+             "title_id={:016X}, user_id={:016X}{:016X}, full_display={}",
+             title_id, value[1], value[0],
+             full_display.has_value() ? fmt::format("{}", *full_display) : "null");
+    finished();
+}
+
+void DefaultECommerceApplet::ShowSubscriptionList(std::function<void()> finished, u64 title_id,
+                                                  std::optional<u128> user_id) {
+    const auto value = user_id.value_or(u128{});
+    LOG_INFO(Service_AM,
+             "Application requested frontend show subscription list for EShop, title_id={:016X}, "
+             "user_id={:016X}{:016X}",
+             title_id, value[1], value[0]);
+    finished();
+}
+
+void DefaultECommerceApplet::ShowConsumableItemList(std::function<void()> finished, u64 title_id,
+                                                    std::optional<u128> user_id) {
+    const auto value = user_id.value_or(u128{});
+    LOG_INFO(
+        Service_AM,
+        "Application requested frontend show consumable item list for EShop, title_id={:016X}, "
+        "user_id={:016X}{:016X}",
+        title_id, value[1], value[0]);
+    finished();
+}
+
+void DefaultECommerceApplet::ShowShopHome(std::function<void()> finished, u128 user_id,
+                                          bool full_display) {
+    LOG_INFO(Service_AM,
+             "Application requested frontend show home menu for EShop, user_id={:016X}{:016X}, "
+             "full_display={}",
+             user_id[1], user_id[0], full_display);
+    finished();
+}
+
+void DefaultECommerceApplet::ShowSettings(std::function<void()> finished, u128 user_id,
+                                          bool full_display) {
+    LOG_INFO(Service_AM,
+             "Application requested frontend show settings menu for EShop, user_id={:016X}{:016X}, "
+             "full_display={}",
+             user_id[1], user_id[0], full_display);
+    finished();
+}
+
 } // namespace Core::Frontend

src/core/frontend/applets/general_frontend.h

@@ -5,10 +5,43 @@
 #pragma once
 
 #include <functional>
+#include <optional>
 #include "common/common_types.h"
 
 namespace Core::Frontend {
 
+class ParentalControlsApplet {
+public:
+    virtual ~ParentalControlsApplet();
+
+    // Prompts the user to enter a PIN and calls the callback with whether or not it matches the
+    // correct PIN. If the bool is passed, and the PIN was recently entered correctly, the frontend
+    // should not prompt and simply return true.
+    virtual void VerifyPIN(std::function<void(bool)> finished,
+                           bool suspend_future_verification_temporarily) = 0;
+
+    // Prompts the user to enter a PIN and calls the callback for correctness. Frontends can
+    // optionally alert the user that this is to change parental controls settings.
+    virtual void VerifyPINForSettings(std::function<void(bool)> finished) = 0;
+
+    // Prompts the user to create a new PIN for pctl and stores it with the service.
+    virtual void RegisterPIN(std::function<void()> finished) = 0;
+
+    // Prompts the user to verify the current PIN and then store a new one into pctl.
+    virtual void ChangePIN(std::function<void()> finished) = 0;
+};
+
+class DefaultParentalControlsApplet final : public ParentalControlsApplet {
+public:
+    ~DefaultParentalControlsApplet() override;
+
+    void VerifyPIN(std::function<void(bool)> finished,
+                   bool suspend_future_verification_temporarily) override;
+    void VerifyPINForSettings(std::function<void(bool)> finished) override;
+    void RegisterPIN(std::function<void()> finished) override;
+    void ChangePIN(std::function<void()> finished) override;
+};
+
 class PhotoViewerApplet {
 public:
     virtual ~PhotoViewerApplet();
@@ -25,4 +58,55 @@ public:
     void ShowAllPhotos(std::function<void()> finished) const override;
 };
 
+class ECommerceApplet {
+public:
+    virtual ~ECommerceApplet();
+
+    // Shows a page with application icons, description, name, and price.
+    virtual void ShowApplicationInformation(std::function<void()> finished, u64 title_id,
+                                            std::optional<u128> user_id = {},
+                                            std::optional<bool> full_display = {},
+                                            std::optional<std::string> extra_parameter = {}) = 0;
+
+    // Shows a page with all of the add on content available for a game, with name, description, and
+    // price.
+    virtual void ShowAddOnContentList(std::function<void()> finished, u64 title_id,
+                                      std::optional<u128> user_id = {},
+                                      std::optional<bool> full_display = {}) = 0;
+
+    // Shows a page with all of the subscriptions (recurring payments) for a game, with name,
+    // description, price, and renewal period.
+    virtual void ShowSubscriptionList(std::function<void()> finished, u64 title_id,
+                                      std::optional<u128> user_id = {}) = 0;
+
+    // Shows a page with a list of any additional game related purchasable items (DLC,
+    // subscriptions, etc) for a particular game, with name, description, type, and price.
+    virtual void ShowConsumableItemList(std::function<void()> finished, u64 title_id,
+                                        std::optional<u128> user_id = {}) = 0;
+
+    // Shows the home page of the shop.
+    virtual void ShowShopHome(std::function<void()> finished, u128 user_id, bool full_display) = 0;
+
+    // Shows the user settings page of the shop.
+    virtual void ShowSettings(std::function<void()> finished, u128 user_id, bool full_display) = 0;
+};
+
+class DefaultECommerceApplet : public ECommerceApplet {
+public:
+    ~DefaultECommerceApplet() override;
+
+    void ShowApplicationInformation(std::function<void()> finished, u64 title_id,
+                                    std::optional<u128> user_id, std::optional<bool> full_display,
+                                    std::optional<std::string> extra_parameter) override;
+    void ShowAddOnContentList(std::function<void()> finished, u64 title_id,
+                              std::optional<u128> user_id,
+                              std::optional<bool> full_display) override;
+    void ShowSubscriptionList(std::function<void()> finished, u64 title_id,
+                              std::optional<u128> user_id) override;
+    void ShowConsumableItemList(std::function<void()> finished, u64 title_id,
+                                std::optional<u128> user_id) override;
+    void ShowShopHome(std::function<void()> finished, u128 user_id, bool full_display) override;
+    void ShowSettings(std::function<void()> finished, u128 user_id, bool full_display) override;
+};
+
 } // namespace Core::Frontend

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/applets/web_browser.cpp

@@ -11,9 +11,9 @@ WebBrowserApplet::~WebBrowserApplet() = default;
 
 DefaultWebBrowserApplet::~DefaultWebBrowserApplet() = default;
 
-void DefaultWebBrowserApplet::OpenPage(std::string_view filename,
-                                       std::function<void()> unpack_romfs_callback,
-                                       std::function<void()> finished_callback) {
+void DefaultWebBrowserApplet::OpenPageLocal(std::string_view filename,
+                                            std::function<void()> unpack_romfs_callback,
+                                            std::function<void()> finished_callback) {
     LOG_INFO(Service_AM,
              "(STUBBED) called - No suitable web browser implementation found to open website page "
              "at '{}'!",

src/core/frontend/applets/web_browser.h

@@ -13,16 +13,16 @@ class WebBrowserApplet {
 public:
     virtual ~WebBrowserApplet();
 
-    virtual void OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
-                          std::function<void()> finished_callback) = 0;
+    virtual void OpenPageLocal(std::string_view url, std::function<void()> unpack_romfs_callback,
+                               std::function<void()> finished_callback) = 0;
 };
 
 class DefaultWebBrowserApplet final : public WebBrowserApplet {
 public:
     ~DefaultWebBrowserApplet() override;
 
-    void OpenPage(std::string_view url, std::function<void()> unpack_romfs_callback,
-                  std::function<void()> finished_callback) override;
+    void OpenPageLocal(std::string_view url, std::function<void()> unpack_romfs_callback,
+                       std::function<void()> finished_callback) 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/ipc_helpers.h

@@ -438,7 +438,7 @@ inline float RequestParser::Pop() {
 template <>
 inline double RequestParser::Pop() {
     const u64 value = Pop<u64>();
-    float real;
+    double real;
     std::memcpy(&real, &value, sizeof(real));
     return real;
 }

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](
@@ -58,7 +58,7 @@ SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
     auto& kernel = Core::System::GetInstance().Kernel();
     if (!writable_event) {
         // Create event if not provided
-        const auto pair = WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
+        const auto pair = WritableEvent::CreateEventPair(kernel, ResetType::Automatic,
                                                          "HLE Pause Event: " + reason);
         writable_event = pair.writable;
     }
@@ -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/kernel.cpp

@@ -99,7 +99,8 @@ struct KernelCore::Impl {
 
     void Shutdown() {
         next_object_id = 0;
-        next_process_id = Process::ProcessIDMin;
+        next_kernel_process_id = Process::InitialKIPIDMin;
+        next_user_process_id = Process::ProcessIDMin;
         next_thread_id = 1;
 
         process_list.clear();
@@ -132,7 +133,8 @@ struct KernelCore::Impl {
     }
 
     std::atomic<u32> next_object_id{0};
-    std::atomic<u64> next_process_id{Process::ProcessIDMin};
+    std::atomic<u64> next_kernel_process_id{Process::InitialKIPIDMin};
+    std::atomic<u64> next_user_process_id{Process::ProcessIDMin};
     std::atomic<u64> next_thread_id{1};
 
     // Lists all processes that exist in the current session.
@@ -226,8 +228,12 @@ u64 KernelCore::CreateNewThreadID() {
     return impl->next_thread_id++;
 }
 
-u64 KernelCore::CreateNewProcessID() {
-    return impl->next_process_id++;
+u64 KernelCore::CreateNewKernelProcessID() {
+    return impl->next_kernel_process_id++;
+}
+
+u64 KernelCore::CreateNewUserProcessID() {
+    return impl->next_user_process_id++;
 }
 
 Core::Timing::EventType* KernelCore::ThreadWakeupCallbackEventType() const {

src/core/hle/kernel/kernel.h

@@ -96,7 +96,10 @@ private:
     u32 CreateNewObjectID();
 
     /// Creates a new process ID, incrementing the internal process ID counter;
-    u64 CreateNewProcessID();
+    u64 CreateNewKernelProcessID();
+
+    /// Creates a new process ID, incrementing the internal process ID counter;
+    u64 CreateNewUserProcessID();
 
     /// Creates a new thread ID, incrementing the internal thread ID counter.
     u64 CreateNewThreadID();

src/core/hle/kernel/object.h

@@ -33,8 +33,8 @@ enum class HandleType : u32 {
 };
 
 enum class ResetType {
-    OneShot, ///< Reset automatically on object acquisition
-    Sticky,  ///< Never reset automatically
+    Automatic, ///< Reset automatically on object acquisition
+    Manual,    ///< Never reset automatically
 };
 
 class Object : NonCopyable {

src/core/hle/kernel/process.cpp

@@ -48,7 +48,8 @@ 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,
+                                   Process::ProcessType type) {
     auto& kernel = system.Kernel();
 
     SharedPtr<Process> process(new Process(system));
@@ -56,7 +57,8 @@ SharedPtr<Process> Process::Create(Core::System& system, std::string&& name) {
     process->resource_limit = kernel.GetSystemResourceLimit();
     process->status = ProcessStatus::Created;
     process->program_id = 0;
-    process->process_id = kernel.CreateNewProcessID();
+    process->process_id = type == ProcessType::KernelInternal ? kernel.CreateNewKernelProcessID()
+                                                              : kernel.CreateNewUserProcessID();
     process->capabilities.InitializeForMetadatalessProcess();
 
     std::mt19937 rng(Settings::values.rng_seed.value_or(0));
@@ -72,10 +74,26 @@ 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"
@@ -74,9 +73,15 @@ public:
         ProcessIDMax = 0xFFFFFFFFFFFFFFFF,
     };
 
+    // Used to determine how process IDs are assigned.
+    enum class ProcessType {
+        KernelInternal,
+        Userland,
+    };
+
     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, ProcessType type);
 
     std::string GetTypeName() const override {
         return "Process";
@@ -187,9 +192,20 @@ 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/readable_event.cpp

@@ -21,8 +21,9 @@ bool ReadableEvent::ShouldWait(const Thread* thread) const {
 void ReadableEvent::Acquire(Thread* thread) {
     ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
 
-    if (reset_type == ResetType::OneShot)
+    if (reset_type == ResetType::Automatic) {
         signaled = false;
+    }
 }
 
 void ReadableEvent::Signal() {

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

@@ -38,6 +38,7 @@
 #include "core/hle/result.h"
 #include "core/hle/service/service.h"
 #include "core/memory.h"
+#include "core/reporter.h"
 
 namespace Kernel {
 namespace {
@@ -594,6 +595,7 @@ struct BreakReason {
 static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
     BreakReason break_reason{reason};
     bool has_dumped_buffer{};
+    std::vector<u8> debug_buffer;
 
     const auto handle_debug_buffer = [&](VAddr addr, u64 sz) {
         if (sz == 0 || addr == 0 || has_dumped_buffer) {
@@ -605,7 +607,7 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
             LOG_CRITICAL(Debug_Emulated, "debug_buffer_err_code={:X}", Memory::Read32(addr));
         } else {
             // We don't know what's in here so we'll hexdump it
-            std::vector<u8> debug_buffer(sz);
+            debug_buffer.resize(sz);
             Memory::ReadBlock(addr, debug_buffer.data(), sz);
             std::string hexdump;
             for (std::size_t i = 0; i < debug_buffer.size(); i++) {
@@ -664,6 +666,10 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
         break;
     }
 
+    system.GetReporter().SaveSvcBreakReport(
+        static_cast<u32>(break_reason.break_type.Value()), break_reason.signal_debugger, info1,
+        info2, has_dumped_buffer ? std::make_optional(debug_buffer) : std::nullopt);
+
     if (!break_reason.signal_debugger) {
         LOG_CRITICAL(
             Debug_Emulated,
@@ -710,13 +716,13 @@ 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 +736,9 @@ 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 +754,14 @@ 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 +814,8 @@ 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 +836,14 @@ 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;
         }
@@ -1255,8 +1273,8 @@ static ResultCode MapProcessCodeMemory(Core::System& system, Handle process_hand
     return vm_manager.MapCodeMemory(dst_address, src_address, size);
 }
 
-ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
-                                  u64 src_address, u64 size) {
+static ResultCode UnmapProcessCodeMemory(Core::System& system, Handle process_handle,
+                                         u64 dst_address, u64 src_address, u64 size) {
     LOG_DEBUG(Kernel_SVC,
               "called. process_handle=0x{:08X}, dst_address=0x{:016X}, src_address=0x{:016X}, "
               "size=0x{:016X}",
@@ -1342,7 +1360,7 @@ static void ExitProcess(Core::System& system) {
 /// Creates a new thread
 static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr entry_point, u64 arg,
                                VAddr stack_top, u32 priority, s32 processor_id) {
-    LOG_TRACE(Kernel_SVC,
+    LOG_DEBUG(Kernel_SVC,
               "called entrypoint=0x{:08X}, arg=0x{:08X}, stacktop=0x{:08X}, "
               "threadpriority=0x{:08X}, processorid=0x{:08X} : created handle=0x{:08X}",
               entry_point, arg, stack_top, priority, processor_id, *out_handle);
@@ -1402,7 +1420,7 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
 
 /// Starts the thread for the provided handle
 static ResultCode StartThread(Core::System& system, Handle thread_handle) {
-    LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
+    LOG_DEBUG(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
 
     const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
     const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
@@ -1425,7 +1443,7 @@ static ResultCode StartThread(Core::System& system, Handle thread_handle) {
 
 /// Called when a thread exits
 static void ExitThread(Core::System& system) {
-    LOG_TRACE(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC());
+    LOG_DEBUG(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC());
 
     auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
     current_thread->Stop();
@@ -1435,7 +1453,7 @@ static void ExitThread(Core::System& system) {
 
 /// Sleep the current thread
 static void SleepThread(Core::System& system, s64 nanoseconds) {
-    LOG_TRACE(Kernel_SVC, "called nanoseconds={}", nanoseconds);
+    LOG_DEBUG(Kernel_SVC, "called nanoseconds={}", nanoseconds);
 
     enum class SleepType : s64 {
         YieldWithoutLoadBalancing = 0,
@@ -1880,11 +1898,51 @@ static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle,
 }
 
 static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle, u32 core,
-                                    u64 mask) {
-    LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, mask=0x{:016X}, core=0x{:X}", thread_handle,
-              mask, core);
+                                    u64 affinity_mask) {
+    LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, core=0x{:X}, affinity_mask=0x{:016X}",
+              thread_handle, core, affinity_mask);
 
-    const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
+    const auto* const current_process = system.Kernel().CurrentProcess();
+
+    if (core == static_cast<u32>(THREADPROCESSORID_IDEAL)) {
+        const u8 ideal_cpu_core = current_process->GetIdealCore();
+
+        ASSERT(ideal_cpu_core != static_cast<u8>(THREADPROCESSORID_IDEAL));
+
+        // Set the target CPU to the ideal core specified by the process.
+        core = ideal_cpu_core;
+        affinity_mask = 1ULL << core;
+    } else {
+        const u64 core_mask = current_process->GetCoreMask();
+
+        if ((core_mask | affinity_mask) != core_mask) {
+            LOG_ERROR(
+                Kernel_SVC,
+                "Invalid processor ID specified (core_mask=0x{:08X}, affinity_mask=0x{:016X})",
+                core_mask, affinity_mask);
+            return ERR_INVALID_PROCESSOR_ID;
+        }
+
+        if (affinity_mask == 0) {
+            LOG_ERROR(Kernel_SVC, "Specfified affinity mask is zero.");
+            return ERR_INVALID_COMBINATION;
+        }
+
+        if (core < Core::NUM_CPU_CORES) {
+            if ((affinity_mask & (1ULL << core)) == 0) {
+                LOG_ERROR(Kernel_SVC,
+                          "Core is not enabled for the current mask, core={}, mask={:016X}", core,
+                          affinity_mask);
+                return ERR_INVALID_COMBINATION;
+            }
+        } else if (core != static_cast<u32>(THREADPROCESSORID_DONT_CARE) &&
+                   core != static_cast<u32>(THREADPROCESSORID_DONT_UPDATE)) {
+            LOG_ERROR(Kernel_SVC, "Invalid processor ID specified (core={}).", core);
+            return ERR_INVALID_PROCESSOR_ID;
+        }
+    }
+
+    const auto& handle_table = current_process->GetHandleTable();
     const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         LOG_ERROR(Kernel_SVC, "Thread handle does not exist, thread_handle=0x{:08X}",
@@ -1892,40 +1950,7 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle,
         return ERR_INVALID_HANDLE;
     }
 
-    if (core == static_cast<u32>(THREADPROCESSORID_IDEAL)) {
-        const u8 ideal_cpu_core = thread->GetOwnerProcess()->GetIdealCore();
-
-        ASSERT(ideal_cpu_core != static_cast<u8>(THREADPROCESSORID_IDEAL));
-
-        // Set the target CPU to the ideal core specified by the process.
-        core = ideal_cpu_core;
-        mask = 1ULL << core;
-    }
-
-    if (mask == 0) {
-        LOG_ERROR(Kernel_SVC, "Mask is 0");
-        return ERR_INVALID_COMBINATION;
-    }
-
-    /// This value is used to only change the affinity mask without changing the current ideal core.
-    static constexpr u32 OnlyChangeMask = static_cast<u32>(-3);
-
-    if (core == OnlyChangeMask) {
-        core = thread->GetIdealCore();
-    } else if (core >= Core::NUM_CPU_CORES && core != static_cast<u32>(-1)) {
-        LOG_ERROR(Kernel_SVC, "Invalid core specified, got {}", core);
-        return ERR_INVALID_PROCESSOR_ID;
-    }
-
-    // Error out if the input core isn't enabled in the input mask.
-    if (core < Core::NUM_CPU_CORES && (mask & (1ull << core)) == 0) {
-        LOG_ERROR(Kernel_SVC, "Core is not enabled for the current mask, core={}, mask={:016X}",
-                  core, mask);
-        return ERR_INVALID_COMBINATION;
-    }
-
-    thread->ChangeCore(core, mask);
-
+    thread->ChangeCore(core, affinity_mask);
     return RESULT_SUCCESS;
 }
 
@@ -1980,7 +2005,7 @@ static ResultCode CreateEvent(Core::System& system, Handle* write_handle, Handle
 
     auto& kernel = system.Kernel();
     const auto [readable_event, writable_event] =
-        WritableEvent::CreateEventPair(kernel, ResetType::Sticky, "CreateEvent");
+        WritableEvent::CreateEventPair(kernel, ResetType::Manual, "CreateEvent");
 
     HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable();
 
@@ -2183,8 +2208,8 @@ static ResultCode GetProcessList(Core::System& system, u32* out_num_processes,
     return RESULT_SUCCESS;
 }
 
-ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAddr out_thread_ids,
-                         u32 out_thread_ids_size, Handle debug_handle) {
+static ResultCode GetThreadList(Core::System& system, u32* out_num_threads, VAddr out_thread_ids,
+                                u32 out_thread_ids_size, Handle debug_handle) {
     // TODO: Handle this case when debug events are supported.
     UNIMPLEMENTED_IF(debug_handle != InvalidHandle);
 

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/thread.h

@@ -30,12 +30,21 @@ enum ThreadPriority : u32 {
 };
 
 enum ThreadProcessorId : s32 {
-    THREADPROCESSORID_IDEAL = -2, ///< Run thread on the ideal core specified by the process.
-    THREADPROCESSORID_0 = 0,      ///< Run thread on core 0
-    THREADPROCESSORID_1 = 1,      ///< Run thread on core 1
-    THREADPROCESSORID_2 = 2,      ///< Run thread on core 2
-    THREADPROCESSORID_3 = 3,      ///< Run thread on core 3
-    THREADPROCESSORID_MAX = 4,    ///< Processor ID must be less than this
+    /// Indicates that no particular processor core is preferred.
+    THREADPROCESSORID_DONT_CARE = -1,
+
+    /// Run thread on the ideal core specified by the process.
+    THREADPROCESSORID_IDEAL = -2,
+
+    /// Indicates that the preferred processor ID shouldn't be updated in
+    /// a core mask setting operation.
+    THREADPROCESSORID_DONT_UPDATE = -3,
+
+    THREADPROCESSORID_0 = 0,   ///< Run thread on core 0
+    THREADPROCESSORID_1 = 1,   ///< Run thread on core 1
+    THREADPROCESSORID_2 = 2,   ///< Run thread on core 2
+    THREADPROCESSORID_3 = 3,   ///< Run thread on core 3
+    THREADPROCESSORID_MAX = 4, ///< Processor ID must be less than this
 
     /// Allowed CPU mask
     THREADPROCESSORID_DEFAULT_MASK = (1 << THREADPROCESSORID_0) | (1 << THREADPROCESSORID_1) |

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(SanitizeJPEGSize(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(SanitizeJPEGSize(Core::Constants::ACCOUNT_BACKUP_JPEG.size()));
         } else {
-            rb.Push<u32>(SanitizeJPEGSize(image.GetSize()));
+            rb.Push(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"},
     };
@@ -276,8 +280,13 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
     RegisterHandlers(functions);
 
     auto& kernel = Core::System::GetInstance().Kernel();
-    launchable_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Sticky,
+    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;
@@ -440,12 +449,23 @@ 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::Sticky,
+    on_new_message = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Manual,
                                                             "AMMessageQueue:OnMessageRecieved");
     on_operation_mode_changed = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::OneShot, "AMMessageQueue:OperationModeChanged");
+        kernel, Kernel::ResetType::Automatic, "AMMessageQueue:OperationModeChanged");
 }
 
 AppletMessageQueue::~AppletMessageQueue() = default;
@@ -867,7 +887,9 @@ void IStorageAccessor::Read(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
-ILibraryAppletCreator::ILibraryAppletCreator() : ServiceFramework("ILibraryAppletCreator") {
+ILibraryAppletCreator::ILibraryAppletCreator(u64 current_process_title_id)
+    : ServiceFramework("ILibraryAppletCreator"),
+      current_process_title_id(current_process_title_id) {
     static const FunctionInfo functions[] = {
         {0, &ILibraryAppletCreator::CreateLibraryApplet, "CreateLibraryApplet"},
         {1, nullptr, "TerminateAllLibraryApplets"},
@@ -890,7 +912,7 @@ void ILibraryAppletCreator::CreateLibraryApplet(Kernel::HLERequestContext& ctx)
               static_cast<u32>(applet_id), applet_mode);
 
     const auto& applet_manager{Core::System::GetInstance().GetAppletManager()};
-    const auto applet = applet_manager.GetApplet(applet_id);
+    const auto applet = applet_manager.GetApplet(applet_id, current_process_title_id);
 
     if (applet == nullptr) {
         LOG_ERROR(Service_AM, "Applet doesn't exist! applet_id={}", static_cast<u32>(applet_id));
@@ -1100,10 +1122,42 @@ 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) {
@@ -1182,13 +1236,13 @@ void IApplicationFunctions::GetSaveDataSize(Kernel::HLERequestContext& ctx) {
 }
 
 void InstallInterfaces(SM::ServiceManager& service_manager,
-                       std::shared_ptr<NVFlinger::NVFlinger> nvflinger) {
+                       std::shared_ptr<NVFlinger::NVFlinger> nvflinger, Core::System& system) {
     auto message_queue = std::make_shared<AppletMessageQueue>();
     message_queue->PushMessage(AppletMessageQueue::AppletMessage::FocusStateChanged); // Needed on
                                                                                       // game boot
 
-    std::make_shared<AppletAE>(nvflinger, message_queue)->InstallAsService(service_manager);
-    std::make_shared<AppletOE>(nvflinger, message_queue)->InstallAsService(service_manager);
+    std::make_shared<AppletAE>(nvflinger, message_queue, system)->InstallAsService(service_manager);
+    std::make_shared<AppletOE>(nvflinger, message_queue, system)->InstallAsService(service_manager);
     std::make_shared<IdleSys>()->InstallAsService(service_manager);
     std::make_shared<OMM>()->InstallAsService(service_manager);
     std::make_shared<SPSM>()->InstallAsService(service_manager);

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;
 };
@@ -198,13 +201,15 @@ private:
 
 class ILibraryAppletCreator final : public ServiceFramework<ILibraryAppletCreator> {
 public:
-    ILibraryAppletCreator();
+    ILibraryAppletCreator(u64 current_process_title_id);
     ~ILibraryAppletCreator() override;
 
 private:
     void CreateLibraryApplet(Kernel::HLERequestContext& ctx);
     void CreateStorage(Kernel::HLERequestContext& ctx);
     void CreateTransferMemoryStorage(Kernel::HLERequestContext& ctx);
+
+    u64 current_process_title_id;
 };
 
 class IApplicationFunctions final : public ServiceFramework<IApplicationFunctions> {
@@ -261,7 +266,7 @@ public:
 
 /// Registers all AM services with the specified service manager.
 void InstallInterfaces(SM::ServiceManager& service_manager,
-                       std::shared_ptr<NVFlinger::NVFlinger> nvflinger);
+                       std::shared_ptr<NVFlinger::NVFlinger> nvflinger, Core::System& system);
 
 } // namespace AM
 } // namespace Service

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

@@ -4,6 +4,7 @@
 
 #include "common/logging/log.h"
 #include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/process.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applet_ae.h"
 #include "core/hle/service/nvflinger/nvflinger.h"
@@ -13,9 +14,10 @@ namespace Service::AM {
 class ILibraryAppletProxy final : public ServiceFramework<ILibraryAppletProxy> {
 public:
     explicit ILibraryAppletProxy(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                                 std::shared_ptr<AppletMessageQueue> msg_queue)
+                                 std::shared_ptr<AppletMessageQueue> msg_queue,
+                                 Core::System& system)
         : ServiceFramework("ILibraryAppletProxy"), nvflinger(std::move(nvflinger)),
-          msg_queue(std::move(msg_queue)) {
+          msg_queue(std::move(msg_queue)), system(system) {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &ILibraryAppletProxy::GetCommonStateGetter, "GetCommonStateGetter"},
@@ -96,7 +98,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<ILibraryAppletCreator>();
+        rb.PushIpcInterface<ILibraryAppletCreator>(system.CurrentProcess()->GetTitleID());
     }
 
     void GetApplicationFunctions(Kernel::HLERequestContext& ctx) {
@@ -109,14 +111,15 @@ private:
 
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
+    Core::System& system;
 };
 
 class ISystemAppletProxy final : public ServiceFramework<ISystemAppletProxy> {
 public:
     explicit ISystemAppletProxy(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                                std::shared_ptr<AppletMessageQueue> msg_queue)
+                                std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
         : ServiceFramework("ISystemAppletProxy"), nvflinger(std::move(nvflinger)),
-          msg_queue(std::move(msg_queue)) {
+          msg_queue(std::move(msg_queue)), system(system) {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &ISystemAppletProxy::GetCommonStateGetter, "GetCommonStateGetter"},
@@ -191,7 +194,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<ILibraryAppletCreator>();
+        rb.PushIpcInterface<ILibraryAppletCreator>(system.CurrentProcess()->GetTitleID());
     }
 
     void GetHomeMenuFunctions(Kernel::HLERequestContext& ctx) {
@@ -219,6 +222,7 @@ private:
     }
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
+    Core::System& system;
 };
 
 void AppletAE::OpenSystemAppletProxy(Kernel::HLERequestContext& ctx) {
@@ -226,7 +230,7 @@ void AppletAE::OpenSystemAppletProxy(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<ISystemAppletProxy>(nvflinger, msg_queue);
+    rb.PushIpcInterface<ISystemAppletProxy>(nvflinger, msg_queue, system);
 }
 
 void AppletAE::OpenLibraryAppletProxy(Kernel::HLERequestContext& ctx) {
@@ -234,7 +238,7 @@ void AppletAE::OpenLibraryAppletProxy(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<ILibraryAppletProxy>(nvflinger, msg_queue);
+    rb.PushIpcInterface<ILibraryAppletProxy>(nvflinger, msg_queue, system);
 }
 
 void AppletAE::OpenLibraryAppletProxyOld(Kernel::HLERequestContext& ctx) {
@@ -242,13 +246,13 @@ void AppletAE::OpenLibraryAppletProxyOld(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<ILibraryAppletProxy>(nvflinger, msg_queue);
+    rb.PushIpcInterface<ILibraryAppletProxy>(nvflinger, msg_queue, system);
 }
 
 AppletAE::AppletAE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                   std::shared_ptr<AppletMessageQueue> msg_queue)
+                   std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
     : ServiceFramework("appletAE"), nvflinger(std::move(nvflinger)),
-      msg_queue(std::move(msg_queue)) {
+      msg_queue(std::move(msg_queue)), system(system) {
     // clang-format off
     static const FunctionInfo functions[] = {
         {100, &AppletAE::OpenSystemAppletProxy, "OpenSystemAppletProxy"},

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

@@ -18,7 +18,7 @@ namespace AM {
 class AppletAE final : public ServiceFramework<AppletAE> {
 public:
     explicit AppletAE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                      std::shared_ptr<AppletMessageQueue> msg_queue);
+                      std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system);
     ~AppletAE() override;
 
     const std::shared_ptr<AppletMessageQueue>& GetMessageQueue() const;
@@ -30,6 +30,7 @@ private:
 
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
+    Core::System& system;
 };
 
 } // namespace AM

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

@@ -4,6 +4,7 @@
 
 #include "common/logging/log.h"
 #include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/process.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applet_oe.h"
 #include "core/hle/service/nvflinger/nvflinger.h"
@@ -13,9 +14,9 @@ namespace Service::AM {
 class IApplicationProxy final : public ServiceFramework<IApplicationProxy> {
 public:
     explicit IApplicationProxy(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                               std::shared_ptr<AppletMessageQueue> msg_queue)
+                               std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
         : ServiceFramework("IApplicationProxy"), nvflinger(std::move(nvflinger)),
-          msg_queue(std::move(msg_queue)) {
+          msg_queue(std::move(msg_queue)), system(system) {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &IApplicationProxy::GetCommonStateGetter, "GetCommonStateGetter"},
@@ -87,7 +88,7 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<ILibraryAppletCreator>();
+        rb.PushIpcInterface<ILibraryAppletCreator>(system.CurrentProcess()->GetTitleID());
     }
 
     void GetApplicationFunctions(Kernel::HLERequestContext& ctx) {
@@ -100,6 +101,7 @@ private:
 
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
+    Core::System& system;
 };
 
 void AppletOE::OpenApplicationProxy(Kernel::HLERequestContext& ctx) {
@@ -107,13 +109,13 @@ void AppletOE::OpenApplicationProxy(Kernel::HLERequestContext& ctx) {
 
     IPC::ResponseBuilder rb{ctx, 2, 0, 1};
     rb.Push(RESULT_SUCCESS);
-    rb.PushIpcInterface<IApplicationProxy>(nvflinger, msg_queue);
+    rb.PushIpcInterface<IApplicationProxy>(nvflinger, msg_queue, system);
 }
 
 AppletOE::AppletOE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                   std::shared_ptr<AppletMessageQueue> msg_queue)
+                   std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system)
     : ServiceFramework("appletOE"), nvflinger(std::move(nvflinger)),
-      msg_queue(std::move(msg_queue)) {
+      msg_queue(std::move(msg_queue)), system(system) {
     static const FunctionInfo functions[] = {
         {0, &AppletOE::OpenApplicationProxy, "OpenApplicationProxy"},
     };

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

@@ -18,7 +18,7 @@ namespace AM {
 class AppletOE final : public ServiceFramework<AppletOE> {
 public:
     explicit AppletOE(std::shared_ptr<NVFlinger::NVFlinger> nvflinger,
-                      std::shared_ptr<AppletMessageQueue> msg_queue);
+                      std::shared_ptr<AppletMessageQueue> msg_queue, Core::System& system);
     ~AppletOE() override;
 
     const std::shared_ptr<AppletMessageQueue>& GetMessageQueue() const;
@@ -28,6 +28,7 @@ private:
 
     std::shared_ptr<NVFlinger::NVFlinger> nvflinger;
     std::shared_ptr<AppletMessageQueue> msg_queue;
+    Core::System& system;
 };
 
 } // namespace AM

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

@@ -26,21 +26,37 @@ namespace Service::AM::Applets {
 AppletDataBroker::AppletDataBroker() {
     auto& kernel = Core::System::GetInstance().Kernel();
     state_changed_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::Sticky, "ILibraryAppletAccessor:StateChangedEvent");
+        kernel, Kernel::ResetType::Manual, "ILibraryAppletAccessor:StateChangedEvent");
     pop_out_data_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::Sticky, "ILibraryAppletAccessor:PopDataOutEvent");
+        kernel, Kernel::ResetType::Manual, "ILibraryAppletAccessor:PopDataOutEvent");
     pop_interactive_out_data_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::Sticky, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
+        kernel, Kernel::ResetType::Manual, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
 }
 
 AppletDataBroker::~AppletDataBroker() = default;
 
+AppletDataBroker::RawChannelData AppletDataBroker::PeekDataToAppletForDebug() const {
+    std::vector<std::vector<u8>> out_normal;
+
+    for (const auto& storage : in_channel) {
+        out_normal.push_back(storage->GetData());
+    }
+
+    std::vector<std::vector<u8>> out_interactive;
+
+    for (const auto& storage : in_interactive_channel) {
+        out_interactive.push_back(storage->GetData());
+    }
+
+    return {std::move(out_normal), std::move(out_interactive)};
+}
+
 std::unique_ptr<IStorage> AppletDataBroker::PopNormalDataToGame() {
     if (out_channel.empty())
         return nullptr;
 
     auto out = std::move(out_channel.front());
-    out_channel.pop();
+    out_channel.pop_front();
     return out;
 }
 
@@ -49,7 +65,7 @@ std::unique_ptr<IStorage> AppletDataBroker::PopNormalDataToApplet() {
         return nullptr;
 
     auto out = std::move(in_channel.front());
-    in_channel.pop();
+    in_channel.pop_front();
     return out;
 }
 
@@ -58,7 +74,7 @@ std::unique_ptr<IStorage> AppletDataBroker::PopInteractiveDataToGame() {
         return nullptr;
 
     auto out = std::move(out_interactive_channel.front());
-    out_interactive_channel.pop();
+    out_interactive_channel.pop_front();
     return out;
 }
 
@@ -67,25 +83,25 @@ std::unique_ptr<IStorage> AppletDataBroker::PopInteractiveDataToApplet() {
         return nullptr;
 
     auto out = std::move(in_interactive_channel.front());
-    in_interactive_channel.pop();
+    in_interactive_channel.pop_front();
     return out;
 }
 
 void AppletDataBroker::PushNormalDataFromGame(IStorage storage) {
-    in_channel.push(std::make_unique<IStorage>(storage));
+    in_channel.push_back(std::make_unique<IStorage>(storage));
 }
 
 void AppletDataBroker::PushNormalDataFromApplet(IStorage storage) {
-    out_channel.push(std::make_unique<IStorage>(storage));
+    out_channel.push_back(std::make_unique<IStorage>(storage));
     pop_out_data_event.writable->Signal();
 }
 
 void AppletDataBroker::PushInteractiveDataFromGame(IStorage storage) {
-    in_interactive_channel.push(std::make_unique<IStorage>(storage));
+    in_interactive_channel.push_back(std::make_unique<IStorage>(storage));
 }
 
 void AppletDataBroker::PushInteractiveDataFromApplet(IStorage storage) {
-    out_interactive_channel.push(std::make_unique<IStorage>(storage));
+    out_interactive_channel.push_back(std::make_unique<IStorage>(storage));
     pop_interactive_out_data_event.writable->Signal();
 }
 
@@ -121,11 +137,30 @@ void Applet::Initialize() {
     initialized = true;
 }
 
+AppletFrontendSet::AppletFrontendSet() = default;
+
+AppletFrontendSet::AppletFrontendSet(ParentalControlsApplet parental_controls, ErrorApplet error,
+                                     PhotoViewer photo_viewer, ProfileSelect profile_select,
+                                     SoftwareKeyboard software_keyboard, WebBrowser web_browser,
+                                     ECommerceApplet e_commerce)
+    : parental_controls{std::move(parental_controls)}, 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)},
+      e_commerce{std::move(e_commerce)} {}
+
+AppletFrontendSet::~AppletFrontendSet() = default;
+
+AppletFrontendSet::AppletFrontendSet(AppletFrontendSet&&) noexcept = default;
+
+AppletFrontendSet& AppletFrontendSet::operator=(AppletFrontendSet&&) noexcept = default;
+
 AppletManager::AppletManager() = default;
 
 AppletManager::~AppletManager() = default;
 
 void AppletManager::SetAppletFrontendSet(AppletFrontendSet set) {
+    if (set.parental_controls != nullptr)
+        frontend.parental_controls = std::move(set.parental_controls);
     if (set.error != nullptr)
         frontend.error = std::move(set.error);
     if (set.photo_viewer != nullptr)
@@ -136,17 +171,21 @@ void AppletManager::SetAppletFrontendSet(AppletFrontendSet set) {
         frontend.software_keyboard = std::move(set.software_keyboard);
     if (set.web_browser != nullptr)
         frontend.web_browser = std::move(set.web_browser);
+    if (set.e_commerce != nullptr)
+        frontend.e_commerce = std::move(set.e_commerce);
 }
 
 void AppletManager::SetDefaultAppletFrontendSet() {
-    frontend.error = std::make_unique<Core::Frontend::DefaultErrorApplet>();
-    frontend.photo_viewer = std::make_unique<Core::Frontend::DefaultPhotoViewerApplet>();
-    frontend.profile_select = std::make_unique<Core::Frontend::DefaultProfileSelectApplet>();
-    frontend.software_keyboard = std::make_unique<Core::Frontend::DefaultSoftwareKeyboardApplet>();
-    frontend.web_browser = std::make_unique<Core::Frontend::DefaultWebBrowserApplet>();
+    ClearAll();
+    SetDefaultAppletsIfMissing();
 }
 
 void AppletManager::SetDefaultAppletsIfMissing() {
+    if (frontend.parental_controls == nullptr) {
+        frontend.parental_controls =
+            std::make_unique<Core::Frontend::DefaultParentalControlsApplet>();
+    }
+
     if (frontend.error == nullptr) {
         frontend.error = std::make_unique<Core::Frontend::DefaultErrorApplet>();
     }
@@ -167,14 +206,20 @@ void AppletManager::SetDefaultAppletsIfMissing() {
     if (frontend.web_browser == nullptr) {
         frontend.web_browser = std::make_unique<Core::Frontend::DefaultWebBrowserApplet>();
     }
+
+    if (frontend.e_commerce == nullptr) {
+        frontend.e_commerce = std::make_unique<Core::Frontend::DefaultECommerceApplet>();
+    }
 }
 
 void AppletManager::ClearAll() {
     frontend = {};
 }
 
-std::shared_ptr<Applet> AppletManager::GetApplet(AppletId id) const {
+std::shared_ptr<Applet> AppletManager::GetApplet(AppletId id, u64 current_process_title_id) const {
     switch (id) {
+    case AppletId::Auth:
+        return std::make_shared<Auth>(*frontend.parental_controls);
     case AppletId::Error:
         return std::make_shared<Error>(*frontend.error);
     case AppletId::ProfileSelect:
@@ -183,13 +228,16 @@ std::shared_ptr<Applet> AppletManager::GetApplet(AppletId id) const {
         return std::make_shared<SoftwareKeyboard>(*frontend.software_keyboard);
     case AppletId::PhotoViewer:
         return std::make_shared<PhotoViewer>(*frontend.photo_viewer);
+    case AppletId::LibAppletShop:
+        return std::make_shared<WebBrowser>(*frontend.web_browser, current_process_title_id,
+                                            frontend.e_commerce.get());
     case AppletId::LibAppletOff:
-        return std::make_shared<WebBrowser>(*frontend.web_browser);
+        return std::make_shared<WebBrowser>(*frontend.web_browser, current_process_title_id);
     default:
         UNIMPLEMENTED_MSG(
             "No backend implementation exists for applet_id={:02X}! Falling back to stub applet.",
             static_cast<u8>(id));
-        return std::make_shared<StubApplet>();
+        return std::make_shared<StubApplet>(id);
     }
 }
 

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

@@ -13,7 +13,9 @@
 union ResultCode;
 
 namespace Core::Frontend {
+class ECommerceApplet;
 class ErrorApplet;
+class ParentalControlsApplet;
 class PhotoViewerApplet;
 class ProfileSelectApplet;
 class SoftwareKeyboardApplet;
@@ -54,6 +56,14 @@ public:
     AppletDataBroker();
     ~AppletDataBroker();
 
+    struct RawChannelData {
+        std::vector<std::vector<u8>> normal;
+        std::vector<std::vector<u8>> interactive;
+    };
+
+    // Retrieves but does not pop the data sent to applet.
+    RawChannelData PeekDataToAppletForDebug() const;
+
     std::unique_ptr<IStorage> PopNormalDataToGame();
     std::unique_ptr<IStorage> PopNormalDataToApplet();
 
@@ -76,16 +86,16 @@ private:
     // Queues are named from applet's perspective
 
     // PopNormalDataToApplet and PushNormalDataFromGame
-    std::queue<std::unique_ptr<IStorage>> in_channel;
+    std::deque<std::unique_ptr<IStorage>> in_channel;
 
     // PopNormalDataToGame and PushNormalDataFromApplet
-    std::queue<std::unique_ptr<IStorage>> out_channel;
+    std::deque<std::unique_ptr<IStorage>> out_channel;
 
     // PopInteractiveDataToApplet and PushInteractiveDataFromGame
-    std::queue<std::unique_ptr<IStorage>> in_interactive_channel;
+    std::deque<std::unique_ptr<IStorage>> in_interactive_channel;
 
     // PopInteractiveDataToGame and PushInteractiveDataFromApplet
-    std::queue<std::unique_ptr<IStorage>> out_interactive_channel;
+    std::deque<std::unique_ptr<IStorage>> out_interactive_channel;
 
     Kernel::EventPair state_changed_event;
 
@@ -137,11 +147,34 @@ 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 ParentalControlsApplet = std::unique_ptr<Core::Frontend::ParentalControlsApplet>;
+    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>;
+    using ECommerceApplet = std::unique_ptr<Core::Frontend::ECommerceApplet>;
+
+    AppletFrontendSet();
+    AppletFrontendSet(ParentalControlsApplet parental_controls, ErrorApplet error,
+                      PhotoViewer photo_viewer, ProfileSelect profile_select,
+                      SoftwareKeyboard software_keyboard, WebBrowser web_browser,
+                      ECommerceApplet e_commerce);
+    ~AppletFrontendSet();
+
+    AppletFrontendSet(const AppletFrontendSet&) = delete;
+    AppletFrontendSet& operator=(const AppletFrontendSet&) = delete;
+
+    AppletFrontendSet(AppletFrontendSet&&) noexcept;
+    AppletFrontendSet& operator=(AppletFrontendSet&&) noexcept;
+
+    ParentalControlsApplet parental_controls;
+    ErrorApplet error;
+    PhotoViewer photo_viewer;
+    ProfileSelect profile_select;
+    SoftwareKeyboard software_keyboard;
+    WebBrowser web_browser;
+    ECommerceApplet e_commerce;
 };
 
 class AppletManager {
@@ -154,7 +187,7 @@ public:
     void SetDefaultAppletsIfMissing();
     void ClearAll();
 
-    std::shared_ptr<Applet> GetApplet(AppletId id) const;
+    std::shared_ptr<Applet> GetApplet(AppletId id, u64 current_process_title_id) const;
 
 private:
     AppletFrontendSet frontend;

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

@@ -9,8 +9,10 @@
 #include "common/string_util.h"
 #include "core/core.h"
 #include "core/frontend/applets/error.h"
+#include "core/hle/kernel/process.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/error.h"
+#include "core/reporter.h"
 
 namespace Service::AM::Applets {
 
@@ -143,9 +145,12 @@ void Error::Execute() {
     }
 
     const auto callback = [this] { DisplayCompleted(); };
+    const auto title_id = Core::CurrentProcess()->GetTitleID();
+    const auto& reporter{Core::System::GetInstance().GetReporter()};
 
     switch (mode) {
     case ErrorAppletMode::ShowError:
+        reporter.SaveErrorReport(title_id, error_code);
         frontend.ShowError(error_code, callback);
         break;
     case ErrorAppletMode::ShowSystemError:
@@ -156,14 +161,18 @@ void Error::Execute() {
         const auto& detail_text =
             system ? args->system_error.detail_text : args->application_error.detail_text;
 
-        frontend.ShowCustomErrorText(
-            error_code,
-            Common::StringFromFixedZeroTerminatedBuffer(main_text.data(), main_text.size()),
-            Common::StringFromFixedZeroTerminatedBuffer(detail_text.data(), detail_text.size()),
-            callback);
+        const auto main_text_string =
+            Common::StringFromFixedZeroTerminatedBuffer(main_text.data(), main_text.size());
+        const auto detail_text_string =
+            Common::StringFromFixedZeroTerminatedBuffer(detail_text.data(), detail_text.size());
+
+        reporter.SaveErrorReport(title_id, error_code, main_text_string, detail_text_string);
+        frontend.ShowCustomErrorText(error_code, main_text_string, detail_text_string, callback);
         break;
     }
     case ErrorAppletMode::ShowErrorRecord:
+        reporter.SaveErrorReport(title_id, error_code,
+                                 fmt::format("{:016X}", args->error_record.posix_time));
         frontend.ShowErrorWithTimestamp(
             error_code, std::chrono::seconds{args->error_record.posix_time}, callback);
         break;

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"
@@ -13,27 +13,144 @@
 #include "core/hle/result.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/general_backend.h"
+#include "core/reporter.h"
 
 namespace Service::AM::Applets {
 
-static void LogCurrentStorage(AppletDataBroker& broker, std::string prefix) {
+constexpr ResultCode ERROR_INVALID_PIN{ErrorModule::PCTL, 221};
+
+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));
     }
 }
 
+Auth::Auth(Core::Frontend::ParentalControlsApplet& frontend) : frontend(frontend) {}
+
+Auth::~Auth() = default;
+
+void Auth::Initialize() {
+    Applet::Initialize();
+    complete = false;
+
+    const auto storage = broker.PopNormalDataToApplet();
+    ASSERT(storage != nullptr);
+    const auto data = storage->GetData();
+    ASSERT(data.size() >= 0xC);
+
+    struct Arg {
+        INSERT_PADDING_BYTES(4);
+        AuthAppletType type;
+        u8 arg0;
+        u8 arg1;
+        u8 arg2;
+        INSERT_PADDING_BYTES(1);
+    };
+    static_assert(sizeof(Arg) == 0xC, "Arg (AuthApplet) has incorrect size.");
+
+    Arg arg{};
+    std::memcpy(&arg, data.data(), sizeof(Arg));
+
+    type = arg.type;
+    arg0 = arg.arg0;
+    arg1 = arg.arg1;
+    arg2 = arg.arg2;
+}
+
+bool Auth::TransactionComplete() const {
+    return complete;
+}
+
+ResultCode Auth::GetStatus() const {
+    return successful ? RESULT_SUCCESS : ERROR_INVALID_PIN;
+}
+
+void Auth::ExecuteInteractive() {
+    UNREACHABLE_MSG("Unexpected interactive applet data.");
+}
+
+void Auth::Execute() {
+    if (complete) {
+        return;
+    }
+
+    const auto unimplemented_log = [this] {
+        UNIMPLEMENTED_MSG("Unimplemented Auth applet type for type={:08X}, arg0={:02X}, "
+                          "arg1={:02X}, arg2={:02X}",
+                          static_cast<u32>(type), arg0, arg1, arg2);
+    };
+
+    switch (type) {
+    case AuthAppletType::ShowParentalAuthentication: {
+        const auto callback = [this](bool successful) { AuthFinished(successful); };
+
+        if (arg0 == 1 && arg1 == 0 && arg2 == 1) {
+            // ShowAuthenticatorForConfiguration
+            frontend.VerifyPINForSettings(callback);
+        } else if (arg1 == 0 && arg2 == 0) {
+            // ShowParentalAuthentication(bool)
+            frontend.VerifyPIN(callback, static_cast<bool>(arg0));
+        } else {
+            unimplemented_log();
+        }
+        break;
+    }
+    case AuthAppletType::RegisterParentalPasscode: {
+        const auto callback = [this] { AuthFinished(true); };
+
+        if (arg0 == 0 && arg1 == 0 && arg2 == 0) {
+            // RegisterParentalPasscode
+            frontend.RegisterPIN(callback);
+        } else {
+            unimplemented_log();
+        }
+        break;
+    }
+    case AuthAppletType::ChangeParentalPasscode: {
+        const auto callback = [this] { AuthFinished(true); };
+
+        if (arg0 == 0 && arg1 == 0 && arg2 == 0) {
+            // ChangeParentalPasscode
+            frontend.ChangePIN(callback);
+        } else {
+            unimplemented_log();
+        }
+        break;
+    }
+    default:
+        unimplemented_log();
+    }
+}
+
+void Auth::AuthFinished(bool successful) {
+    this->successful = successful;
+
+    struct Return {
+        ResultCode result_code;
+    };
+    static_assert(sizeof(Return) == 0x4, "Return (AuthApplet) has incorrect size.");
+
+    Return return_{GetStatus()};
+
+    std::vector<u8> out(sizeof(Return));
+    std::memcpy(out.data(), &return_, sizeof(Return));
+
+    broker.PushNormalDataFromApplet(IStorage{out});
+    broker.SignalStateChanged();
+}
+
 PhotoViewer::PhotoViewer(const Core::Frontend::PhotoViewerApplet& frontend) : frontend(frontend) {}
 
 PhotoViewer::~PhotoViewer() = default;
@@ -83,13 +200,20 @@ void PhotoViewer::ViewFinished() {
     broker.SignalStateChanged();
 }
 
-StubApplet::StubApplet() = default;
+StubApplet::StubApplet(AppletId id) : id(id) {}
 
 StubApplet::~StubApplet() = default;
 
 void StubApplet::Initialize() {
     LOG_WARNING(Service_AM, "called (STUBBED)");
     Applet::Initialize();
+
+    const auto data = broker.PeekDataToAppletForDebug();
+    Core::System::GetInstance().GetReporter().SaveUnimplementedAppletReport(
+        static_cast<u32>(id), common_args.arguments_version, common_args.library_version,
+        common_args.theme_color, common_args.play_startup_sound, common_args.system_tick,
+        data.normal, data.interactive);
+
     LogCurrentStorage(broker, "Initialize");
 }
 

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

@@ -8,6 +8,36 @@
 
 namespace Service::AM::Applets {
 
+enum class AuthAppletType : u32 {
+    ShowParentalAuthentication,
+    RegisterParentalPasscode,
+    ChangeParentalPasscode,
+};
+
+class Auth final : public Applet {
+public:
+    explicit Auth(Core::Frontend::ParentalControlsApplet& frontend);
+    ~Auth() override;
+
+    void Initialize() override;
+    bool TransactionComplete() const override;
+    ResultCode GetStatus() const override;
+    void ExecuteInteractive() override;
+    void Execute() override;
+
+    void AuthFinished(bool successful = true);
+
+private:
+    Core::Frontend::ParentalControlsApplet& frontend;
+    bool complete = false;
+    bool successful = false;
+
+    AuthAppletType type = AuthAppletType::ShowParentalAuthentication;
+    u8 arg0 = 0;
+    u8 arg1 = 0;
+    u8 arg2 = 0;
+};
+
 enum class PhotoViewerAppletMode : u8 {
     CurrentApp = 0,
     AllApps = 1,
@@ -34,7 +64,7 @@ private:
 
 class StubApplet final : public Applet {
 public:
-    StubApplet();
+    explicit StubApplet(AppletId id);
     ~StubApplet() override;
 
     void Initialize() override;
@@ -43,6 +73,9 @@ public:
     ResultCode GetStatus() const override;
     void ExecuteInteractive() override;
     void Execute() override;
+
+private:
+    AppletId id;
 };
 
 } // namespace Service::AM::Applets

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/am/applets/web_browser.cpp

@@ -19,7 +19,9 @@
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/romfs.h"
+#include "core/file_sys/system_archive/system_archive.h"
 #include "core/file_sys/vfs_types.h"
+#include "core/frontend/applets/general_frontend.h"
 #include "core/frontend/applets/web_browser.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/service/am/applets/web_browser.h"
@@ -28,74 +30,187 @@
 
 namespace Service::AM::Applets {
 
-// TODO(DarkLordZach): There are other arguments in the WebBuffer structure that are currently not
-// parsed, for example footer mode and left stick mode. Some of these are not particularly relevant,
-// but some may be worth an implementation.
-constexpr u16 WEB_ARGUMENT_URL_TYPE = 0x6;
-
-struct WebBufferHeader {
-    u16 count;
-    INSERT_PADDING_BYTES(6);
+enum class WebArgTLVType : u16 {
+    InitialURL = 0x1,
+    ShopArgumentsURL = 0x2, ///< TODO(DarkLordZach): This is not the official name.
+    CallbackURL = 0x3,
+    CallbackableURL = 0x4,
+    ApplicationID = 0x5,
+    DocumentPath = 0x6,
+    DocumentKind = 0x7,
+    SystemDataID = 0x8,
+    ShareStartPage = 0x9,
+    Whitelist = 0xA,
+    News = 0xB,
+    UserID = 0xE,
+    AlbumEntry0 = 0xF,
+    ScreenShotEnabled = 0x10,
+    EcClientCertEnabled = 0x11,
+    Unk12 = 0x12,
+    PlayReportEnabled = 0x13,
+    Unk14 = 0x14,
+    Unk15 = 0x15,
+    BootDisplayKind = 0x17,
+    BackgroundKind = 0x18,
+    FooterEnabled = 0x19,
+    PointerEnabled = 0x1A,
+    LeftStickMode = 0x1B,
+    KeyRepeatFrame1 = 0x1C,
+    KeyRepeatFrame2 = 0x1D,
+    BootAsMediaPlayerInv = 0x1E,
+    DisplayUrlKind = 0x1F,
+    BootAsMediaPlayer = 0x21,
+    ShopJumpEnabled = 0x22,
+    MediaAutoPlayEnabled = 0x23,
+    LobbyParameter = 0x24,
+    ApplicationAlbumEntry = 0x26,
+    JsExtensionEnabled = 0x27,
+    AdditionalCommentText = 0x28,
+    TouchEnabledOnContents = 0x29,
+    UserAgentAdditionalString = 0x2A,
+    AdditionalMediaData0 = 0x2B,
+    MediaPlayerAutoCloseEnabled = 0x2C,
+    PageCacheEnabled = 0x2D,
+    WebAudioEnabled = 0x2E,
+    Unk2F = 0x2F,
+    YouTubeVideoWhitelist = 0x31,
+    FooterFixedKind = 0x32,
+    PageFadeEnabled = 0x33,
+    MediaCreatorApplicationRatingAge = 0x34,
+    BootLoadingIconEnabled = 0x35,
+    PageScrollIndicationEnabled = 0x36,
+    MediaPlayerSpeedControlEnabled = 0x37,
+    AlbumEntry1 = 0x38,
+    AlbumEntry2 = 0x39,
+    AlbumEntry3 = 0x3A,
+    AdditionalMediaData1 = 0x3B,
+    AdditionalMediaData2 = 0x3C,
+    AdditionalMediaData3 = 0x3D,
+    BootFooterButton = 0x3E,
+    OverrideWebAudioVolume = 0x3F,
+    OverrideMediaAudioVolume = 0x40,
+    BootMode = 0x41,
+    WebSessionEnabled = 0x42,
 };
-static_assert(sizeof(WebBufferHeader) == 0x8, "WebBufferHeader has incorrect size.");
 
-struct WebArgumentHeader {
-    u16 type;
+enum class ShimKind : u32 {
+    Shop = 1,
+    Login = 2,
+    Offline = 3,
+    Share = 4,
+    Web = 5,
+    Wifi = 6,
+    Lobby = 7,
+};
+
+enum class ShopWebTarget {
+    ApplicationInfo,
+    AddOnContentList,
+    SubscriptionList,
+    ConsumableItemList,
+    Home,
+    Settings,
+};
+
+namespace {
+
+constexpr std::size_t SHIM_KIND_COUNT = 0x8;
+
+struct WebArgHeader {
+    u16 count;
+    INSERT_PADDING_BYTES(2);
+    ShimKind kind;
+};
+static_assert(sizeof(WebArgHeader) == 0x8, "WebArgHeader has incorrect size.");
+
+struct WebArgTLV {
+    WebArgTLVType type;
     u16 size;
     u32 offset;
 };
-static_assert(sizeof(WebArgumentHeader) == 0x8, "WebArgumentHeader has incorrect size.");
+static_assert(sizeof(WebArgTLV) == 0x8, "WebArgTLV has incorrect size.");
 
-struct WebArgumentResult {
+struct WebCommonReturnValue {
     u32 result_code;
+    INSERT_PADDING_BYTES(0x4);
     std::array<char, 0x1000> last_url;
     u64 last_url_size;
 };
-static_assert(sizeof(WebArgumentResult) == 0x1010, "WebArgumentResult has incorrect size.");
+static_assert(sizeof(WebCommonReturnValue) == 0x1010, "WebCommonReturnValue has incorrect size.");
 
-static std::vector<u8> GetArgumentDataForTagType(const std::vector<u8>& data, u16 type) {
-    WebBufferHeader header;
-    ASSERT(sizeof(WebBufferHeader) <= data.size());
-    std::memcpy(&header, data.data(), sizeof(WebBufferHeader));
+struct WebWifiPageArg {
+    INSERT_PADDING_BYTES(4);
+    std::array<char, 0x100> connection_test_url;
+    std::array<char, 0x400> initial_url;
+    std::array<u8, 0x10> nifm_network_uuid;
+    u32 nifm_requirement;
+};
+static_assert(sizeof(WebWifiPageArg) == 0x518, "WebWifiPageArg has incorrect size.");
 
-    u64 offset = sizeof(WebBufferHeader);
-    for (u16 i = 0; i < header.count; ++i) {
-        WebArgumentHeader arg;
-        ASSERT(offset + sizeof(WebArgumentHeader) <= data.size());
-        std::memcpy(&arg, data.data() + offset, sizeof(WebArgumentHeader));
-        offset += sizeof(WebArgumentHeader);
+struct WebWifiReturnValue {
+    INSERT_PADDING_BYTES(4);
+    u32 result;
+};
+static_assert(sizeof(WebWifiReturnValue) == 0x8, "WebWifiReturnValue has incorrect size.");
 
-        if (arg.type == type) {
-            std::vector<u8> out(arg.size);
-            offset += arg.offset;
-            ASSERT(offset + arg.size <= data.size());
-            std::memcpy(out.data(), data.data() + offset, out.size());
+enum class OfflineWebSource : u32 {
+    OfflineHtmlPage = 0x1,
+    ApplicationLegalInformation = 0x2,
+    SystemDataPage = 0x3,
+};
+
+std::map<WebArgTLVType, std::vector<u8>> GetWebArguments(const std::vector<u8>& arg) {
+    if (arg.size() < sizeof(WebArgHeader))
+        return {};
+
+    WebArgHeader header{};
+    std::memcpy(&header, arg.data(), sizeof(WebArgHeader));
+
+    std::map<WebArgTLVType, std::vector<u8>> out;
+    u64 offset = sizeof(WebArgHeader);
+    for (std::size_t i = 0; i < header.count; ++i) {
+        if (arg.size() < (offset + sizeof(WebArgTLV)))
             return out;
-        }
 
-        offset += arg.offset + arg.size;
+        WebArgTLV tlv{};
+        std::memcpy(&tlv, arg.data() + offset, sizeof(WebArgTLV));
+        offset += sizeof(WebArgTLV);
+
+        offset += tlv.offset;
+        if (arg.size() < (offset + tlv.size))
+            return out;
+
+        std::vector<u8> data(tlv.size);
+        std::memcpy(data.data(), arg.data() + offset, tlv.size);
+        offset += tlv.size;
+
+        out.insert_or_assign(tlv.type, data);
     }
 
-    return {};
+    return out;
 }
 
-static FileSys::VirtualFile GetManualRomFS() {
-    auto& loader{Core::System::GetInstance().GetAppLoader()};
-
-    FileSys::VirtualFile out;
-    if (loader.ReadManualRomFS(out) == Loader::ResultStatus::Success)
-        return out;
-
+FileSys::VirtualFile GetApplicationRomFS(u64 title_id, FileSys::ContentRecordType type) {
     const auto& installed{Core::System::GetInstance().GetContentProvider()};
-    const auto res = installed.GetEntry(Core::System::GetInstance().CurrentProcess()->GetTitleID(),
-                                        FileSys::ContentRecordType::Manual);
+    const auto res = installed.GetEntry(title_id, type);
 
-    if (res != nullptr)
+    if (res != nullptr) {
         return res->GetRomFS();
+    }
+
+    if (type == FileSys::ContentRecordType::Data) {
+        return FileSys::SystemArchive::SynthesizeSystemArchive(title_id);
+    }
+
     return nullptr;
 }
 
-WebBrowser::WebBrowser(Core::Frontend::WebBrowserApplet& frontend) : frontend(frontend) {}
+} // Anonymous namespace
+
+WebBrowser::WebBrowser(Core::Frontend::WebBrowserApplet& frontend, u64 current_process_title_id,
+                       Core::Frontend::ECommerceApplet* frontend_e_commerce)
+    : frontend(frontend), frontend_e_commerce(frontend_e_commerce),
+      current_process_title_id(current_process_title_id) {}
 
 WebBrowser::~WebBrowser() = default;
 
@@ -111,24 +226,12 @@ void WebBrowser::Initialize() {
     ASSERT(web_arg_storage != nullptr);
     const auto& web_arg = web_arg_storage->GetData();
 
-    const auto url_data = GetArgumentDataForTagType(web_arg, WEB_ARGUMENT_URL_TYPE);
-    filename = Common::StringFromFixedZeroTerminatedBuffer(
-        reinterpret_cast<const char*>(url_data.data()), url_data.size());
+    ASSERT(web_arg.size() >= 0x8);
+    std::memcpy(&kind, web_arg.data() + 0x4, sizeof(ShimKind));
 
-    temporary_dir = FileUtil::SanitizePath(FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) +
-                                               "web_applet_manual",
-                                           FileUtil::DirectorySeparator::PlatformDefault);
-    FileUtil::DeleteDirRecursively(temporary_dir);
+    args = GetWebArguments(web_arg);
 
-    manual_romfs = GetManualRomFS();
-    if (manual_romfs == nullptr) {
-        status = ResultCode(-1);
-        LOG_ERROR(Service_AM, "Failed to find manual for current process!");
-    }
-
-    filename =
-        FileUtil::SanitizePath(temporary_dir + DIR_SEP + "html-document" + DIR_SEP + filename,
-                               FileUtil::DirectorySeparator::PlatformDefault);
+    InitializeInternal();
 }
 
 bool WebBrowser::TransactionComplete() const {
@@ -144,24 +247,25 @@ void WebBrowser::ExecuteInteractive() {
 }
 
 void WebBrowser::Execute() {
-    if (complete)
+    if (complete) {
         return;
+    }
 
     if (status != RESULT_SUCCESS) {
         complete = true;
         return;
     }
 
-    frontend.OpenPage(filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
+    ExecuteInternal();
 }
 
 void WebBrowser::UnpackRomFS() {
     if (unpacked)
         return;
 
-    ASSERT(manual_romfs != nullptr);
+    ASSERT(offline_romfs != nullptr);
     const auto dir =
-        FileSys::ExtractRomFS(manual_romfs, FileSys::RomFSExtractionType::SingleDiscard);
+        FileSys::ExtractRomFS(offline_romfs, FileSys::RomFSExtractionType::SingleDiscard);
     const auto& vfs{Core::System::GetInstance().GetFilesystem()};
     const auto temp_dir = vfs->CreateDirectory(temporary_dir, FileSys::Mode::ReadWrite);
     FileSys::VfsRawCopyD(dir, temp_dir);
@@ -172,17 +276,275 @@ void WebBrowser::UnpackRomFS() {
 void WebBrowser::Finalize() {
     complete = true;
 
-    WebArgumentResult out{};
+    WebCommonReturnValue out{};
     out.result_code = 0;
     out.last_url_size = 0;
 
-    std::vector<u8> data(sizeof(WebArgumentResult));
-    std::memcpy(data.data(), &out, sizeof(WebArgumentResult));
+    std::vector<u8> data(sizeof(WebCommonReturnValue));
+    std::memcpy(data.data(), &out, sizeof(WebCommonReturnValue));
 
     broker.PushNormalDataFromApplet(IStorage{data});
     broker.SignalStateChanged();
 
+    if (!temporary_dir.empty() && FileUtil::IsDirectory(temporary_dir)) {
+        FileUtil::DeleteDirRecursively(temporary_dir);
+    }
+}
+
+void WebBrowser::InitializeInternal() {
+    using WebAppletInitializer = void (WebBrowser::*)();
+
+    constexpr std::array<WebAppletInitializer, SHIM_KIND_COUNT> functions{
+        nullptr, &WebBrowser::InitializeShop,
+        nullptr, &WebBrowser::InitializeOffline,
+        nullptr, nullptr,
+        nullptr, nullptr,
+    };
+
+    const auto index = static_cast<u32>(kind);
+
+    if (index > functions.size() || functions[index] == nullptr) {
+        LOG_ERROR(Service_AM, "Invalid shim_kind={:08X}", index);
+        return;
+    }
+
+    const auto function = functions[index];
+    (this->*function)();
+}
+
+void WebBrowser::ExecuteInternal() {
+    using WebAppletExecutor = void (WebBrowser::*)();
+
+    constexpr std::array<WebAppletExecutor, SHIM_KIND_COUNT> functions{
+        nullptr, &WebBrowser::ExecuteShop,
+        nullptr, &WebBrowser::ExecuteOffline,
+        nullptr, nullptr,
+        nullptr, nullptr,
+    };
+
+    const auto index = static_cast<u32>(kind);
+
+    if (index > functions.size() || functions[index] == nullptr) {
+        LOG_ERROR(Service_AM, "Invalid shim_kind={:08X}", index);
+        return;
+    }
+
+    const auto function = functions[index];
+    (this->*function)();
+}
+
+void WebBrowser::InitializeShop() {
+    if (frontend_e_commerce == nullptr) {
+        LOG_ERROR(Service_AM, "Missing ECommerce Applet frontend!");
+        status = ResultCode(-1);
+        return;
+    }
+
+    const auto user_id_data = args.find(WebArgTLVType::UserID);
+
+    user_id = std::nullopt;
+    if (user_id_data != args.end()) {
+        user_id = u128{};
+        std::memcpy(user_id->data(), user_id_data->second.data(), sizeof(u128));
+    }
+
+    const auto url = args.find(WebArgTLVType::ShopArgumentsURL);
+
+    if (url == args.end()) {
+        LOG_ERROR(Service_AM, "Missing EShop Arguments URL for initialization!");
+        status = ResultCode(-1);
+        return;
+    }
+
+    std::vector<std::string> split_query;
+    Common::SplitString(Common::StringFromFixedZeroTerminatedBuffer(
+                            reinterpret_cast<const char*>(url->second.data()), url->second.size()),
+                        '?', split_query);
+
+    // 2 -> Main URL '?' Query Parameters
+    // Less is missing info, More is malformed
+    if (split_query.size() != 2) {
+        LOG_ERROR(Service_AM, "EShop Arguments has more than one question mark, malformed");
+        status = ResultCode(-1);
+        return;
+    }
+
+    std::vector<std::string> queries;
+    Common::SplitString(split_query[1], '&', queries);
+
+    const auto split_single_query =
+        [](const std::string& in) -> std::pair<std::string, std::string> {
+        const auto index = in.find('=');
+        if (index == std::string::npos || index == in.size() - 1) {
+            return {in, ""};
+        }
+
+        return {in.substr(0, index), in.substr(index + 1)};
+    };
+
+    std::transform(queries.begin(), queries.end(),
+                   std::inserter(shop_query, std::next(shop_query.begin())), split_single_query);
+
+    const auto scene = shop_query.find("scene");
+
+    if (scene == shop_query.end()) {
+        LOG_ERROR(Service_AM, "No scene parameter was passed via shop query!");
+        status = ResultCode(-1);
+        return;
+    }
+
+    const std::map<std::string, ShopWebTarget, std::less<>> target_map{
+        {"product_detail", ShopWebTarget::ApplicationInfo},
+        {"aocs", ShopWebTarget::AddOnContentList},
+        {"subscriptions", ShopWebTarget::SubscriptionList},
+        {"consumption", ShopWebTarget::ConsumableItemList},
+        {"settings", ShopWebTarget::Settings},
+        {"top", ShopWebTarget::Home},
+    };
+
+    const auto target = target_map.find(scene->second);
+    if (target == target_map.end()) {
+        LOG_ERROR(Service_AM, "Scene for shop query is invalid! (scene={})", scene->second);
+        status = ResultCode(-1);
+        return;
+    }
+
+    shop_web_target = target->second;
+
+    const auto title_id_data = shop_query.find("dst_app_id");
+    if (title_id_data != shop_query.end()) {
+        title_id = std::stoull(title_id_data->second, nullptr, 0x10);
+    }
+
+    const auto mode_data = shop_query.find("mode");
+    if (mode_data != shop_query.end()) {
+        shop_full_display = mode_data->second == "full";
+    }
+}
+
+void WebBrowser::InitializeOffline() {
+    if (args.find(WebArgTLVType::DocumentPath) == args.end() ||
+        args.find(WebArgTLVType::DocumentKind) == args.end() ||
+        args.find(WebArgTLVType::ApplicationID) == args.end()) {
+        status = ResultCode(-1);
+        LOG_ERROR(Service_AM, "Missing necessary parameters for initialization!");
+    }
+
+    const auto url_data = args[WebArgTLVType::DocumentPath];
+    filename = Common::StringFromFixedZeroTerminatedBuffer(
+        reinterpret_cast<const char*>(url_data.data()), url_data.size());
+
+    OfflineWebSource source;
+    ASSERT(args[WebArgTLVType::DocumentKind].size() >= 4);
+    std::memcpy(&source, args[WebArgTLVType::DocumentKind].data(), sizeof(OfflineWebSource));
+
+    constexpr std::array<const char*, 3> WEB_SOURCE_NAMES{
+        "manual",
+        "legal",
+        "system",
+    };
+
+    temporary_dir =
+        FileUtil::SanitizePath(FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + "web_applet_" +
+                                   WEB_SOURCE_NAMES[static_cast<u32>(source) - 1],
+                               FileUtil::DirectorySeparator::PlatformDefault);
     FileUtil::DeleteDirRecursively(temporary_dir);
+
+    u64 title_id = 0; // 0 corresponds to current process
+    ASSERT(args[WebArgTLVType::ApplicationID].size() >= 0x8);
+    std::memcpy(&title_id, args[WebArgTLVType::ApplicationID].data(), sizeof(u64));
+    FileSys::ContentRecordType type = FileSys::ContentRecordType::Data;
+
+    switch (source) {
+    case OfflineWebSource::OfflineHtmlPage:
+        // While there is an AppID TLV field, in official SW this is always ignored.
+        title_id = 0;
+        type = FileSys::ContentRecordType::Manual;
+        break;
+    case OfflineWebSource::ApplicationLegalInformation:
+        type = FileSys::ContentRecordType::Legal;
+        break;
+    case OfflineWebSource::SystemDataPage:
+        type = FileSys::ContentRecordType::Data;
+        break;
+    }
+
+    if (title_id == 0) {
+        title_id = current_process_title_id;
+    }
+
+    offline_romfs = GetApplicationRomFS(title_id, type);
+    if (offline_romfs == nullptr) {
+        status = ResultCode(-1);
+        LOG_ERROR(Service_AM, "Failed to find offline data for request!");
+    }
+
+    std::string path_additional_directory;
+    if (source == OfflineWebSource::OfflineHtmlPage) {
+        path_additional_directory = std::string(DIR_SEP).append("html-document");
+    }
+
+    filename =
+        FileUtil::SanitizePath(temporary_dir + path_additional_directory + DIR_SEP + filename,
+                               FileUtil::DirectorySeparator::PlatformDefault);
+}
+
+void WebBrowser::ExecuteShop() {
+    const auto callback = [this]() { Finalize(); };
+
+    const auto check_optional_parameter = [this](const auto& p) {
+        if (!p.has_value()) {
+            LOG_ERROR(Service_AM, "Missing one or more necessary parameters for execution!");
+            status = ResultCode(-1);
+            return false;
+        }
+
+        return true;
+    };
+
+    switch (shop_web_target) {
+    case ShopWebTarget::ApplicationInfo:
+        if (!check_optional_parameter(title_id))
+            return;
+        frontend_e_commerce->ShowApplicationInformation(callback, *title_id, user_id,
+                                                        shop_full_display, shop_extra_parameter);
+        break;
+    case ShopWebTarget::AddOnContentList:
+        if (!check_optional_parameter(title_id))
+            return;
+        frontend_e_commerce->ShowAddOnContentList(callback, *title_id, user_id, shop_full_display);
+        break;
+    case ShopWebTarget::ConsumableItemList:
+        if (!check_optional_parameter(title_id))
+            return;
+        frontend_e_commerce->ShowConsumableItemList(callback, *title_id, user_id);
+        break;
+    case ShopWebTarget::Home:
+        if (!check_optional_parameter(user_id))
+            return;
+        if (!check_optional_parameter(shop_full_display))
+            return;
+        frontend_e_commerce->ShowShopHome(callback, *user_id, *shop_full_display);
+        break;
+    case ShopWebTarget::Settings:
+        if (!check_optional_parameter(user_id))
+            return;
+        if (!check_optional_parameter(shop_full_display))
+            return;
+        frontend_e_commerce->ShowSettings(callback, *user_id, *shop_full_display);
+        break;
+    case ShopWebTarget::SubscriptionList:
+        if (!check_optional_parameter(title_id))
+            return;
+        frontend_e_commerce->ShowSubscriptionList(callback, *title_id, user_id);
+        break;
+    default:
+        UNREACHABLE();
+    }
+}
+
+void WebBrowser::ExecuteOffline() {
+    frontend.OpenPageLocal(filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
 }
 
 } // namespace Service::AM::Applets

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

@@ -4,15 +4,22 @@
 
 #pragma once
 
+#include <map>
 #include "core/file_sys/vfs_types.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applets.h"
 
 namespace Service::AM::Applets {
 
+enum class ShimKind : u32;
+enum class ShopWebTarget;
+enum class WebArgTLVType : u16;
+
 class WebBrowser final : public Applet {
 public:
-    WebBrowser(Core::Frontend::WebBrowserApplet& frontend);
+    WebBrowser(Core::Frontend::WebBrowserApplet& frontend, u64 current_process_title_id,
+               Core::Frontend::ECommerceApplet* frontend_e_commerce = nullptr);
+
     ~WebBrowser() override;
 
     void Initialize() override;
@@ -32,15 +39,41 @@ public:
     void Finalize();
 
 private:
+    void InitializeInternal();
+    void ExecuteInternal();
+
+    // Specific initializers for the types of web applets
+    void InitializeShop();
+    void InitializeOffline();
+
+    // Specific executors for the types of web applets
+    void ExecuteShop();
+    void ExecuteOffline();
+
     Core::Frontend::WebBrowserApplet& frontend;
 
+    // Extra frontends for specialized functions
+    Core::Frontend::ECommerceApplet* frontend_e_commerce;
+
     bool complete = false;
     bool unpacked = false;
     ResultCode status = RESULT_SUCCESS;
 
-    FileSys::VirtualFile manual_romfs;
+    u64 current_process_title_id;
+
+    ShimKind kind;
+    std::map<WebArgTLVType, std::vector<u8>> args;
+
+    FileSys::VirtualFile offline_romfs;
     std::string temporary_dir;
     std::string filename;
+
+    ShopWebTarget shop_web_target;
+    std::map<std::string, std::string, std::less<>> shop_query;
+    std::optional<u64> title_id = 0;
+    std::optional<u128> user_id;
+    std::optional<bool> shop_full_display;
+    std::string shop_extra_parameter;
 };
 
 } // namespace Service::AM::Applets

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"
 
@@ -68,14 +66,22 @@ AOC_U::AOC_U() : ServiceFramework("aoc:u"), add_on_content(AccumulateAOCTitleIDs
     RegisterHandlers(functions);
 
     auto& kernel = Core::System::GetInstance().Kernel();
-    aoc_change_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Sticky,
+    aoc_change_event = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Manual,
                                                               "GetAddOnContentListChanged:Event");
 }
 
 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/arp/arp.cpp

@@ -1,75 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <memory>
-
-#include "common/logging/log.h"
-#include "core/hle/ipc_helpers.h"
-#include "core/hle/kernel/hle_ipc.h"
-#include "core/hle/service/arp/arp.h"
-#include "core/hle/service/service.h"
-#include "core/hle/service/sm/sm.h"
-
-namespace Service::ARP {
-
-class ARP_R final : public ServiceFramework<ARP_R> {
-public:
-    explicit ARP_R() : ServiceFramework{"arp:r"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, nullptr, "GetApplicationLaunchProperty"},
-            {1, nullptr, "GetApplicationLaunchPropertyWithApplicationId"},
-            {2, nullptr, "GetApplicationControlProperty"},
-            {3, nullptr, "GetApplicationControlPropertyWithApplicationId"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-    }
-};
-
-class IRegistrar final : public ServiceFramework<IRegistrar> {
-public:
-    explicit IRegistrar() : ServiceFramework{"IRegistrar"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, nullptr, "Issue"},
-            {1, nullptr, "SetApplicationLaunchProperty"},
-            {2, nullptr, "SetApplicationControlProperty"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-    }
-};
-
-class ARP_W final : public ServiceFramework<ARP_W> {
-public:
-    explicit ARP_W() : ServiceFramework{"arp:w"} {
-        // clang-format off
-        static const FunctionInfo functions[] = {
-            {0, &ARP_W::AcquireRegistrar, "AcquireRegistrar"},
-            {1, nullptr, "DeleteProperties"},
-        };
-        // clang-format on
-
-        RegisterHandlers(functions);
-    }
-
-private:
-    void AcquireRegistrar(Kernel::HLERequestContext& ctx) {
-        LOG_DEBUG(Service_ARP, "called");
-
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-        rb.Push(RESULT_SUCCESS);
-        rb.PushIpcInterface<IRegistrar>();
-    }
-};
-
-void InstallInterfaces(SM::ServiceManager& sm) {
-    std::make_shared<ARP_R>()->InstallAsService(sm);
-    std::make_shared<ARP_W>()->InstallAsService(sm);
-}
-
-} // namespace Service::ARP

src/core/hle/service/arp/arp.h

@@ -1,16 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-namespace Service::SM {
-class ServiceManager;
-}
-
-namespace Service::ARP {
-
-/// Registers all ARP services with the specified service manager.
-void InstallInterfaces(SM::ServiceManager& sm);
-
-} // namespace Service::ARP