implement invert

.travis.yml

@@ -20,7 +20,6 @@ matrix:
       install: "./.travis/linux/deps.sh"
       script: "./.travis/linux/build.sh"
       after_success: "./.travis/linux/upload.sh"
-      cache: ccache
     - os: osx
       env: NAME="macos build"
       sudo: false
@@ -28,7 +27,6 @@ matrix:
       install: "./.travis/macos/deps.sh"
       script: "./.travis/macos/build.sh"
       after_success: "./.travis/macos/upload.sh"
-      cache: ccache
 
 deploy:
   provider: releases
@@ -44,3 +42,7 @@ notifications:
   webhooks:
     urls:
       - https://api.yuzu-emu.org/code/travis/notify
+
+cache:
+  directories:
+    - $HOME/.ccache

.travis/common/travis-ci.env

@@ -1,12 +0,0 @@
-# List of environment variables to be shared with Docker containers
-CI
-TRAVIS
-CONTINUOUS_INTEGRATION
-TRAVIS_BRANCH
-TRAVIS_BUILD_ID
-TRAVIS_BUILD_NUMBER
-TRAVIS_COMMIT
-TRAVIS_JOB_ID
-TRAVIS_JOB_NUMBER
-TRAVIS_REPO_SLUG
-TRAVIS_TAG

.travis/linux/build.sh

@@ -1,4 +1,3 @@
 #!/bin/bash -ex
 
-mkdir -p "$HOME/.ccache"
-docker run --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu -v "$HOME/.ccache":/root/.ccache ubuntu:18.04 /bin/bash /yuzu/.travis/linux/docker.sh
+docker run -e CCACHE_DIR=/ccache -v $HOME/.ccache:/ccache -v $(pwd):/yuzu ubuntu:18.04 /bin/bash /yuzu/.travis/linux/docker.sh

.travis/linux/docker.sh

@@ -5,8 +5,14 @@ apt-get install --no-install-recommends -y build-essential git libqt5opengl5-dev
 
 cd /yuzu
 
+export PATH=/usr/lib/ccache:$PATH
+ln -sf /usr/bin/ccache /usr/lib/ccache/cc
+ln -sf /usr/bin/ccache /usr/lib/ccache/c++
 mkdir build && cd build
-cmake .. -DYUZU_BUILD_UNICORN=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/lib/ccache/gcc -DCMAKE_CXX_COMPILER=/usr/lib/ccache/g++ -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -G Ninja
+ccache --show-stats > ccache_before
+cmake .. -DYUZU_BUILD_UNICORN=ON -DCMAKE_BUILD_TYPE=Release -G Ninja
 ninja
+ccache --show-stats > ccache_after
+diff -U100 ccache_before ccache_after || true
 
 ctest -VV -C Release

.travis/macos/build.sh

@@ -5,11 +5,14 @@ set -o pipefail
 export MACOSX_DEPLOYMENT_TARGET=10.12
 export Qt5_DIR=$(brew --prefix)/opt/qt5
 export UNICORNDIR=$(pwd)/externals/unicorn
-export PATH="/usr/local/opt/ccache/libexec:$PATH"
 
 mkdir build && cd build
+export PATH=/usr/local/opt/ccache/libexec:$PATH
+ccache --show-stats > ccache_before
 cmake --version
-cmake .. -DYUZU_BUILD_UNICORN=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON
+cmake .. -DYUZU_BUILD_UNICORN=ON -DCMAKE_BUILD_TYPE=Release
 make -j4
+ccache --show-stats > ccache_after
+diff -U100 ccache_before ccache_after || true
 
 ctest -VV -C Release

CMakeLists.txt

@@ -41,19 +41,6 @@ function(check_submodules_present)
 endfunction()
 check_submodules_present()
 
-configure_file(${CMAKE_SOURCE_DIR}/dist/compatibility_list/compatibility_list.qrc
-               ${CMAKE_BINARY_DIR}/dist/compatibility_list/compatibility_list.qrc
-               COPYONLY)
-if (ENABLE_COMPATIBILITY_LIST_DOWNLOAD AND NOT EXISTS ${CMAKE_BINARY_DIR}/dist/compatibility_list/compatibility_list.json)
-    message(STATUS "Downloading compatibility list for yuzu...")
-    file(DOWNLOAD
-        https://api.yuzu-emu.org/gamedb/
-        "${CMAKE_BINARY_DIR}/dist/compatibility_list/compatibility_list.json" SHOW_PROGRESS)
-endif()
-if (NOT EXISTS ${CMAKE_BINARY_DIR}/dist/compatibility_list/compatibility_list.json)
-    file(WRITE ${CMAKE_BINARY_DIR}/dist/compatibility_list/compatibility_list.json "")
-endif()
-
 # Detect current compilation architecture and create standard definitions
 # =======================================================================
 

appveyor.yml

@@ -41,9 +41,9 @@ before_build:
   - ps: |
         if ($env:BUILD_TYPE -eq 'msvc') {
           # redirect stderr and change the exit code to prevent powershell from cancelling the build if cmake prints a warning
-          cmd /C 'cmake -G "Visual Studio 15 2017 Win64" -DYUZU_USE_BUNDLED_QT=1 -DYUZU_USE_BUNDLED_SDL2=1 -DYUZU_USE_BUNDLED_UNICORN=1 -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON .. 2>&1 && exit 0'
+          cmd /C 'cmake -G "Visual Studio 15 2017 Win64" -DYUZU_USE_BUNDLED_QT=1 -DYUZU_USE_BUNDLED_SDL2=1 -DYUZU_USE_BUNDLED_UNICORN=1 .. 2>&1 && exit 0'
         } else {
-          C:\msys64\usr\bin\bash.exe -lc "cmake -G 'MSYS Makefiles' -DYUZU_BUILD_UNICORN=1 -DCMAKE_BUILD_TYPE=Release -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON .. 2>&1"
+          C:\msys64\usr\bin\bash.exe -lc "cmake -G 'MSYS Makefiles' -DYUZU_BUILD_UNICORN=1 -DCMAKE_BUILD_TYPE=Release .. 2>&1"
         }
   - cd ..
 
@@ -162,6 +162,10 @@ artifacts:
   - path: $(BUILD_ZIP)
     name: build
     type: zip
+  - path: $(BUILD_SYMBOLS)
+    name: debugsymbols
+  - path: $(BUILD_UPDATE)
+    name: update
 
 deploy:
   provider: GitHub

dist/compatibility_list/compatibility_list.qrc

@@ -1,5 +0,0 @@
-<RCC>
-  <qresource prefix="compatibility_list">
-      <file>compatibility_list.json</file>
-  </qresource>
-</RCC>

src/audio_core/stream.cpp

@@ -10,7 +10,6 @@
 #include "audio_core/stream.h"
 #include "common/assert.h"
 #include "common/logging/log.h"
-#include "common/microprofile.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/settings.h"
@@ -95,10 +94,7 @@ void Stream::PlayNextBuffer() {
     CoreTiming::ScheduleEventThreadsafe(GetBufferReleaseCycles(*active_buffer), release_event, {});
 }
 
-MICROPROFILE_DEFINE(AudioOutput, "Audio", "ReleaseActiveBuffer", MP_RGB(100, 100, 255));
-
 void Stream::ReleaseActiveBuffer() {
-    MICROPROFILE_SCOPE(AudioOutput);
     ASSERT(active_buffer);
     released_buffers.push(std::move(active_buffer));
     release_callback();

src/common/CMakeLists.txt

@@ -1,16 +1,13 @@
 # Generate cpp with Git revision from template
-# Also if this is a CI build, add the build name (ie: Nightly, Canary) to the scm_rev file as well
+# Also if this is a CI build, add the build name (ie: Nightly, Bleeding Edge) to the scm_rev file as well
 set(REPO_NAME "")
-set(BUILD_VERSION "0")
 if ($ENV{CI})
   if ($ENV{TRAVIS})
     set(BUILD_REPOSITORY $ENV{TRAVIS_REPO_SLUG})
-    set(BUILD_TAG $ENV{TRAVIS_TAG})
   elseif($ENV{APPVEYOR})
     set(BUILD_REPOSITORY $ENV{APPVEYOR_REPO_NAME})
-    set(BUILD_TAG $ENV{APPVEYOR_REPO_TAG_NAME})
   endif()
-  # regex capture the string nightly or canary into CMAKE_MATCH_1
+  # regex capture the string nightly or bleeding-edge into CMAKE_MATCH_1
   string(REGEX MATCH "yuzu-emu/yuzu-?(.*)" OUTVAR ${BUILD_REPOSITORY})
   if (${CMAKE_MATCH_COUNT} GREATER 0)
     # capitalize the first letter of each word in the repo name.
@@ -19,21 +16,10 @@ if ($ENV{CI})
       string(SUBSTRING ${WORD} 0 1 FIRST_LETTER)
       string(SUBSTRING ${WORD} 1 -1 REMAINDER)
       string(TOUPPER ${FIRST_LETTER} FIRST_LETTER)
-      set(REPO_NAME "${REPO_NAME}${FIRST_LETTER}${REMAINDER}")
+      # this leaves a trailing space on the last word, but we actually want that
+      # because of how it's styled in the title bar.
+      set(REPO_NAME "${REPO_NAME}${FIRST_LETTER}${REMAINDER} ")
     endforeach()
-    if (BUILD_TAG)
-      string(REGEX MATCH "${CMAKE_MATCH_1}-([0-9]+)" OUTVAR ${BUILD_TAG})
-      if (${CMAKE_MATCH_COUNT} GREATER 0)
-        set(BUILD_VERSION ${CMAKE_MATCH_1})
-      endif()
-      if (BUILD_VERSION)
-        # This leaves a trailing space on the last word, but we actually want that
-        # because of how it's styled in the title bar.
-        set(BUILD_FULLNAME "${REPO_NAME} #${BUILD_VERSION} ")
-      else()
-        set(BUILD_FULLNAME "")
-      endif()
-    endif()
   endif()
 endif()
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/scm_rev.cpp.in" "${CMAKE_CURRENT_SOURCE_DIR}/scm_rev.cpp" @ONLY)

src/common/logging/filter.h

@@ -19,7 +19,7 @@ namespace Log {
 class Filter {
 public:
     /// Initializes the filter with all classes having `default_level` as the minimum level.
-    explicit Filter(Level default_level = Level::Info);
+    Filter(Level default_level = Level::Info);
 
     /// Resets the filter so that all classes have `level` as the minimum displayed level.
     void ResetAll(Level level);
@@ -49,6 +49,6 @@ public:
     bool IsDebug() const;
 
 private:
-    std::array<Level, static_cast<size_t>(Class::Count)> class_levels;
+    std::array<Level, (size_t)Class::Count> class_levels;
 };
 } // namespace Log

src/common/logging/log.h

@@ -12,14 +12,14 @@ namespace Log {
 /// Specifies the severity or level of detail of the log message.
 enum class Level : u8 {
     Trace,    ///< Extremely detailed and repetitive debugging information that is likely to
-              ///< pollute logs.
+              ///  pollute logs.
     Debug,    ///< Less detailed debugging information.
     Info,     ///< Status information from important points during execution.
     Warning,  ///< Minor or potential problems found during execution of a task.
     Error,    ///< Major problems found during execution of a task that prevent it from being
-              ///< completed.
-    Critical, ///< Major problems during execution that threaten the stability of the entire
-              ///< application.
+              ///  completed.
+    Critical, ///< Major problems during execution that threathen the stability of the entire
+              ///  application.
 
     Count ///< Total number of logging levels
 };
@@ -49,7 +49,7 @@ enum class Class : ClassType {
     Kernel,            ///< The HLE implementation of the CTR kernel
     Kernel_SVC,        ///< Kernel system calls
     Service,           ///< HLE implementation of system services. Each major service
-                       ///< should have its own subclass.
+                       ///  should have its own subclass.
     Service_ACC,       ///< The ACC (Accounts) service
     Service_AM,        ///< The AM (Applet manager) service
     Service_AOC,       ///< The AOC (AddOn Content) service

src/common/logging/text_formatter.h

@@ -15,6 +15,6 @@ struct Entry;
 std::string FormatLogMessage(const Entry& entry);
 /// Formats and prints a log entry to stderr.
 void PrintMessage(const Entry& entry);
-/// Prints the same message as `PrintMessage`, but colored according to the severity level.
+/// Prints the same message as `PrintMessage`, but colored acoording to the severity level.
 void PrintColoredMessage(const Entry& entry);
 } // namespace Log

src/common/scm_rev.cpp.in

@@ -9,8 +9,6 @@
 #define GIT_DESC     "@GIT_DESC@"
 #define BUILD_NAME   "@REPO_NAME@"
 #define BUILD_DATE   "@BUILD_DATE@"
-#define BUILD_FULLNAME "@BUILD_FULLNAME@"
-#define BUILD_VERSION "@BUILD_VERSION@"
 
 namespace Common {
 
@@ -19,8 +17,6 @@ const char g_scm_branch[]   = GIT_BRANCH;
 const char g_scm_desc[]     = GIT_DESC;
 const char g_build_name[]   = BUILD_NAME;
 const char g_build_date[]   = BUILD_DATE;
-const char g_build_fullname[] = BUILD_FULLNAME;
-const char g_build_version[]  = BUILD_VERSION;
 
 } // namespace
 

src/common/scm_rev.h

@@ -11,7 +11,5 @@ extern const char g_scm_branch[];
 extern const char g_scm_desc[];
 extern const char g_build_name[];
 extern const char g_build_date[];
-extern const char g_build_fullname[];
-extern const char g_build_version[];
 
 } // namespace Common

src/core/CMakeLists.txt

@@ -35,12 +35,8 @@ add_library(core STATIC
     file_sys/mode.h
     file_sys/nca_metadata.cpp
     file_sys/nca_metadata.h
-    file_sys/nca_patch.cpp
-    file_sys/nca_patch.h
     file_sys/partition_filesystem.cpp
     file_sys/partition_filesystem.h
-    file_sys/patch_manager.cpp
-    file_sys/patch_manager.h
     file_sys/program_metadata.cpp
     file_sys/program_metadata.h
     file_sys/registered_cache.cpp
@@ -53,8 +49,6 @@ add_library(core STATIC
     file_sys/savedata_factory.h
     file_sys/sdmc_factory.cpp
     file_sys/sdmc_factory.h
-    file_sys/submission_package.cpp
-    file_sys/submission_package.h
     file_sys/vfs.cpp
     file_sys/vfs.h
     file_sys/vfs_concat.cpp
@@ -365,8 +359,6 @@ add_library(core STATIC
     loader/nro.h
     loader/nso.cpp
     loader/nso.h
-    loader/nsp.cpp
-    loader/nsp.h
     loader/xci.cpp
     loader/xci.h
     memory.cpp

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -7,10 +7,8 @@
 #include <dynarmic/A64/a64.h>
 #include <dynarmic/A64/config.h>
 #include "common/logging/log.h"
-#include "common/microprofile.h"
 #include "core/arm/dynarmic/arm_dynarmic.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/svc.h"
@@ -144,10 +142,7 @@ std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() const {
     return std::make_unique<Dynarmic::A64::Jit>(config);
 }
 
-MICROPROFILE_DEFINE(ARM_Jit_Dynarmic, "ARM JIT", "Dynarmic", MP_RGB(255, 64, 64));
-
 void ARM_Dynarmic::Run() {
-    MICROPROFILE_SCOPE(ARM_Jit_Dynarmic);
     ASSERT(Memory::GetCurrentPageTable() == current_page_table);
 
     jit->Run();

src/core/arm/unicorn/arm_unicorn.cpp

@@ -193,10 +193,10 @@ void ARM_Unicorn::Step() {
     ExecuteInstructions(1);
 }
 
-MICROPROFILE_DEFINE(ARM_Jit_Unicorn, "ARM JIT", "Unicorn", MP_RGB(255, 64, 64));
+MICROPROFILE_DEFINE(ARM_Jit, "ARM JIT", "ARM JIT", MP_RGB(255, 64, 64));
 
 void ARM_Unicorn::ExecuteInstructions(int num_instructions) {
-    MICROPROFILE_SCOPE(ARM_Jit_Unicorn);
+    MICROPROFILE_SCOPE(ARM_Jit);
     CHECKED(uc_emu_start(uc, GetPC(), 1ULL << 63, 0, num_instructions));
     CoreTiming::AddTicks(num_instructions);
     if (GDBStub::IsServerEnabled()) {

src/core/core.cpp

@@ -2,35 +2,24 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <array>
-#include <map>
 #include <memory>
-#include <thread>
 #include <utility>
-
 #include "common/logging/log.h"
 #include "common/string_util.h"
-#include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
 #include "core/core_timing.h"
-#include "core/file_sys/mode.h"
-#include "core/file_sys/vfs_concat.h"
-#include "core/file_sys/vfs_real.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/service/service.h"
+#include "core/hle/service/sm/controller.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
-#include "core/perf_stats.h"
 #include "core/settings.h"
-#include "core/telemetry_session.h"
-#include "video_core/debug_utils/debug_utils.h"
-#include "video_core/gpu.h"
+#include "file_sys/vfs_concat.h"
+#include "file_sys/vfs_real.h"
 #include "video_core/renderer_base.h"
 #include "video_core/video_core.h"
 
@@ -38,9 +27,71 @@ namespace Core {
 
 /*static*/ System System::s_instance;
 
-namespace {
-FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
-                                         const std::string& path) {
+System::System() = default;
+
+System::~System() = default;
+
+/// Runs a CPU core while the system is powered on
+static void RunCpuCore(std::shared_ptr<Cpu> cpu_state) {
+    while (Core::System::GetInstance().IsPoweredOn()) {
+        cpu_state->RunLoop(true);
+    }
+}
+
+Cpu& System::CurrentCpuCore() {
+    // If multicore is enabled, use host thread to figure out the current CPU core
+    if (Settings::values.use_multi_core) {
+        const auto& search = thread_to_cpu.find(std::this_thread::get_id());
+        ASSERT(search != thread_to_cpu.end());
+        ASSERT(search->second);
+        return *search->second;
+    }
+
+    // Otherwise, use single-threaded mode active_core variable
+    return *cpu_cores[active_core];
+}
+
+System::ResultStatus System::RunLoop(bool tight_loop) {
+    status = ResultStatus::Success;
+
+    // Update thread_to_cpu in case Core 0 is run from a different host thread
+    thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0];
+
+    if (GDBStub::IsServerEnabled()) {
+        GDBStub::HandlePacket();
+
+        // If the loop is halted and we want to step, use a tiny (1) number of instructions to
+        // execute. Otherwise, get out of the loop function.
+        if (GDBStub::GetCpuHaltFlag()) {
+            if (GDBStub::GetCpuStepFlag()) {
+                tight_loop = false;
+            } else {
+                return ResultStatus::Success;
+            }
+        }
+    }
+
+    for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
+        cpu_cores[active_core]->RunLoop(tight_loop);
+        if (Settings::values.use_multi_core) {
+            // Cores 1-3 are run on other threads in this mode
+            break;
+        }
+    }
+
+    if (GDBStub::IsServerEnabled()) {
+        GDBStub::SetCpuStepFlag(false);
+    }
+
+    return status;
+}
+
+System::ResultStatus System::SingleStep() {
+    return RunLoop(false);
+}
+
+static FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
+                                                const std::string& path) {
     // To account for split 00+01+etc files.
     std::string dir_name;
     std::string filename;
@@ -70,405 +121,165 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
     return vfs->OpenFile(path, FileSys::Mode::Read);
 }
 
-/// Runs a CPU core while the system is powered on
-void RunCpuCore(std::shared_ptr<Cpu> cpu_state) {
-    while (Core::System::GetInstance().IsPoweredOn()) {
-        cpu_state->RunLoop(true);
-    }
-}
-} // Anonymous namespace
-
-struct System::Impl {
-    Cpu& CurrentCpuCore() {
-        if (Settings::values.use_multi_core) {
-            const auto& search = thread_to_cpu.find(std::this_thread::get_id());
-            ASSERT(search != thread_to_cpu.end());
-            ASSERT(search->second);
-            return *search->second;
-        }
-
-        // Otherwise, use single-threaded mode active_core variable
-        return *cpu_cores[active_core];
-    }
-
-    ResultStatus RunLoop(bool tight_loop) {
-        status = ResultStatus::Success;
-
-        // Update thread_to_cpu in case Core 0 is run from a different host thread
-        thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0];
-
-        if (GDBStub::IsServerEnabled()) {
-            GDBStub::HandlePacket();
-
-            // If the loop is halted and we want to step, use a tiny (1) number of instructions to
-            // execute. Otherwise, get out of the loop function.
-            if (GDBStub::GetCpuHaltFlag()) {
-                if (GDBStub::GetCpuStepFlag()) {
-                    tight_loop = false;
-                } else {
-                    return ResultStatus::Success;
-                }
-            }
-        }
-
-        for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
-            cpu_cores[active_core]->RunLoop(tight_loop);
-            if (Settings::values.use_multi_core) {
-                // Cores 1-3 are run on other threads in this mode
-                break;
-            }
-        }
-
-        if (GDBStub::IsServerEnabled()) {
-            GDBStub::SetCpuStepFlag(false);
-        }
-
-        return status;
-    }
-
-    ResultStatus Init(Frontend::EmuWindow& emu_window) {
-        LOG_DEBUG(HW_Memory, "initialized OK");
-
-        CoreTiming::Init();
-        kernel.Initialize();
-
-        // Create a default fs if one doesn't already exist.
-        if (virtual_filesystem == nullptr)
-            virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
-
-        kernel.MakeCurrentProcess(Kernel::Process::Create(kernel, "main"));
-
-        cpu_barrier = std::make_shared<CpuBarrier>();
-        cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size());
-        for (size_t index = 0; index < cpu_cores.size(); ++index) {
-            cpu_cores[index] = std::make_shared<Cpu>(cpu_exclusive_monitor, cpu_barrier, index);
-        }
-
-        telemetry_session = std::make_unique<Core::TelemetrySession>();
-        service_manager = std::make_shared<Service::SM::ServiceManager>();
-
-        Service::Init(service_manager, virtual_filesystem);
-        GDBStub::Init();
-
-        renderer = VideoCore::CreateRenderer(emu_window);
-        if (!renderer->Init()) {
-            return ResultStatus::ErrorVideoCore;
-        }
-
-        gpu_core = std::make_unique<Tegra::GPU>(renderer->Rasterizer());
-
-        // Create threads for CPU cores 1-3, and build thread_to_cpu map
-        // CPU core 0 is run on the main thread
-        thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0];
-        if (Settings::values.use_multi_core) {
-            for (size_t index = 0; index < cpu_core_threads.size(); ++index) {
-                cpu_core_threads[index] =
-                    std::make_unique<std::thread>(RunCpuCore, cpu_cores[index + 1]);
-                thread_to_cpu[cpu_core_threads[index]->get_id()] = cpu_cores[index + 1];
-            }
-        }
-
-        LOG_DEBUG(Core, "Initialized OK");
-
-        // Reset counters and set time origin to current frame
-        GetAndResetPerfStats();
-        perf_stats.BeginSystemFrame();
-
-        return ResultStatus::Success;
-    }
-
-    ResultStatus Load(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<boost::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(emu_window)};
-        if (init_result != ResultStatus::Success) {
-            LOG_CRITICAL(Core, "Failed to initialize system (Error {})!",
-                         static_cast<int>(init_result));
-            Shutdown();
-            return init_result;
-        }
-
-        const Loader::ResultStatus load_result{app_loader->Load(kernel.CurrentProcess())};
-        if (load_result != Loader::ResultStatus::Success) {
-            LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<int>(load_result));
-            Shutdown();
-
-            return static_cast<ResultStatus>(static_cast<u32>(ResultStatus::ErrorLoader) +
-                                             static_cast<u32>(load_result));
-        }
-        status = ResultStatus::Success;
-        return status;
-    }
-
-    void Shutdown() {
-        // Log last frame performance stats
-        auto perf_results = GetAndResetPerfStats();
-        Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_EmulationSpeed",
-                             perf_results.emulation_speed * 100.0);
-        Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Framerate",
-                             perf_results.game_fps);
-        Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
-                             perf_results.frametime * 1000.0);
-
-        // Shutdown emulation session
-        renderer.reset();
-        GDBStub::Shutdown();
-        Service::Shutdown();
-        service_manager.reset();
-        telemetry_session.reset();
-        gpu_core.reset();
-
-        // Close all CPU/threading state
-        cpu_barrier->NotifyEnd();
-        if (Settings::values.use_multi_core) {
-            for (auto& thread : cpu_core_threads) {
-                thread->join();
-                thread.reset();
-            }
-        }
-        thread_to_cpu.clear();
-        for (auto& cpu_core : cpu_cores) {
-            cpu_core.reset();
-        }
-        cpu_barrier.reset();
-
-        // Shutdown kernel and core timing
-        kernel.Shutdown();
-        CoreTiming::Shutdown();
-
-        // Close app loader
-        app_loader.reset();
-
-        LOG_DEBUG(Core, "Shutdown OK");
-    }
-
-    Loader::ResultStatus GetGameName(std::string& out) const {
-        if (app_loader == nullptr)
-            return Loader::ResultStatus::ErrorNotInitialized;
-        return app_loader->ReadTitle(out);
-    }
-
-    void SetStatus(ResultStatus new_status, const char* details = nullptr) {
-        status = new_status;
-        if (details) {
-            status_details = details;
-        }
-    }
-
-    PerfStatsResults GetAndResetPerfStats() {
-        return perf_stats.GetAndResetStats(CoreTiming::GetGlobalTimeUs());
-    }
-
-    Kernel::KernelCore kernel;
-    /// RealVfsFilesystem instance
-    FileSys::VirtualFilesystem virtual_filesystem;
-    /// AppLoader used to load the current executing application
-    std::unique_ptr<Loader::AppLoader> app_loader;
-    std::unique_ptr<VideoCore::RendererBase> renderer;
-    std::unique_ptr<Tegra::GPU> gpu_core;
-    std::shared_ptr<Tegra::DebugContext> debug_context;
-    std::shared_ptr<ExclusiveMonitor> cpu_exclusive_monitor;
-    std::shared_ptr<CpuBarrier> cpu_barrier;
-    std::array<std::shared_ptr<Cpu>, NUM_CPU_CORES> cpu_cores;
-    std::array<std::unique_ptr<std::thread>, NUM_CPU_CORES - 1> cpu_core_threads;
-    size_t active_core{}; ///< Active core, only used in single thread mode
-
-    /// Service manager
-    std::shared_ptr<Service::SM::ServiceManager> service_manager;
-
-    /// Telemetry session for this emulation session
-    std::unique_ptr<Core::TelemetrySession> telemetry_session;
-
-    ResultStatus status = ResultStatus::Success;
-    std::string status_details = "";
-
-    /// Map of guest threads to CPU cores
-    std::map<std::thread::id, std::shared_ptr<Cpu>> thread_to_cpu;
-
-    Core::PerfStats perf_stats;
-    Core::FrameLimiter frame_limiter;
-};
-
-System::System() : impl{std::make_unique<Impl>()} {}
-System::~System() = default;
-
-Cpu& System::CurrentCpuCore() {
-    return impl->CurrentCpuCore();
-}
-
-System::ResultStatus System::RunLoop(bool tight_loop) {
-    return impl->RunLoop(tight_loop);
-}
-
-System::ResultStatus System::SingleStep() {
-    return RunLoop(false);
-}
-
-void System::InvalidateCpuInstructionCaches() {
-    for (auto& cpu : impl->cpu_cores) {
-        cpu->ArmInterface().ClearInstructionCache();
-    }
-}
-
 System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
-    return impl->Load(emu_window, filepath);
-}
+    app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
 
-bool System::IsPoweredOn() const {
-    return impl->cpu_barrier && impl->cpu_barrier->IsAlive();
+    if (!app_loader) {
+        LOG_CRITICAL(Core, "Failed to obtain loader for {}!", filepath);
+        return ResultStatus::ErrorGetLoader;
+    }
+    std::pair<boost::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(emu_window)};
+    if (init_result != ResultStatus::Success) {
+        LOG_CRITICAL(Core, "Failed to initialize system (Error {})!",
+                     static_cast<int>(init_result));
+        System::Shutdown();
+        return init_result;
+    }
+
+    const Loader::ResultStatus load_result{app_loader->Load(current_process)};
+    if (load_result != Loader::ResultStatus::Success) {
+        LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<int>(load_result));
+        System::Shutdown();
+
+        return static_cast<ResultStatus>(static_cast<u32>(ResultStatus::ErrorLoader) +
+                                         static_cast<u32>(load_result));
+    }
+    status = ResultStatus::Success;
+    return status;
 }
 
 void System::PrepareReschedule() {
     CurrentCpuCore().PrepareReschedule();
 }
 
-PerfStatsResults System::GetAndResetPerfStats() {
-    return impl->GetAndResetPerfStats();
-}
-
-Core::TelemetrySession& System::TelemetrySession() const {
-    return *impl->telemetry_session;
-}
-
-ARM_Interface& System::CurrentArmInterface() {
-    return CurrentCpuCore().ArmInterface();
-}
-
-size_t System::CurrentCoreIndex() {
-    return CurrentCpuCore().CoreIndex();
-}
-
-Kernel::Scheduler& System::CurrentScheduler() {
-    return *CurrentCpuCore().Scheduler();
+PerfStats::Results System::GetAndResetPerfStats() {
+    return perf_stats.GetAndResetStats(CoreTiming::GetGlobalTimeUs());
 }
 
 const std::shared_ptr<Kernel::Scheduler>& System::Scheduler(size_t core_index) {
     ASSERT(core_index < NUM_CPU_CORES);
-    return impl->cpu_cores[core_index]->Scheduler();
-}
-
-Kernel::SharedPtr<Kernel::Process>& System::CurrentProcess() {
-    return impl->kernel.CurrentProcess();
-}
-
-const Kernel::SharedPtr<Kernel::Process>& System::CurrentProcess() const {
-    return impl->kernel.CurrentProcess();
+    return cpu_cores[core_index]->Scheduler();
 }
 
 ARM_Interface& System::ArmInterface(size_t core_index) {
     ASSERT(core_index < NUM_CPU_CORES);
-    return impl->cpu_cores[core_index]->ArmInterface();
+    return cpu_cores[core_index]->ArmInterface();
 }
 
 Cpu& System::CpuCore(size_t core_index) {
     ASSERT(core_index < NUM_CPU_CORES);
-    return *impl->cpu_cores[core_index];
-}
-
-ExclusiveMonitor& System::Monitor() {
-    return *impl->cpu_exclusive_monitor;
-}
-
-Tegra::GPU& System::GPU() {
-    return *impl->gpu_core;
-}
-
-const Tegra::GPU& System::GPU() const {
-    return *impl->gpu_core;
-}
-
-VideoCore::RendererBase& System::Renderer() {
-    return *impl->renderer;
-}
-
-const VideoCore::RendererBase& System::Renderer() const {
-    return *impl->renderer;
-}
-
-Kernel::KernelCore& System::Kernel() {
-    return impl->kernel;
-}
-
-const Kernel::KernelCore& System::Kernel() const {
-    return impl->kernel;
-}
-
-Core::PerfStats& System::GetPerfStats() {
-    return impl->perf_stats;
-}
-
-const Core::PerfStats& System::GetPerfStats() const {
-    return impl->perf_stats;
-}
-
-Core::FrameLimiter& System::FrameLimiter() {
-    return impl->frame_limiter;
-}
-
-const Core::FrameLimiter& System::FrameLimiter() const {
-    return impl->frame_limiter;
-}
-
-Loader::ResultStatus System::GetGameName(std::string& out) const {
-    return impl->GetGameName(out);
-}
-
-void System::SetStatus(ResultStatus new_status, const char* details) {
-    impl->SetStatus(new_status, details);
-}
-
-const std::string& System::GetStatusDetails() const {
-    return impl->status_details;
-}
-
-Loader::AppLoader& System::GetAppLoader() const {
-    return *impl->app_loader;
-}
-
-void System::SetGPUDebugContext(std::shared_ptr<Tegra::DebugContext> context) {
-    impl->debug_context = std::move(context);
-}
-
-Tegra::DebugContext* System::GetGPUDebugContext() const {
-    return impl->debug_context.get();
-}
-
-void System::SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs) {
-    impl->virtual_filesystem = std::move(vfs);
-}
-
-std::shared_ptr<FileSys::VfsFilesystem> System::GetFilesystem() const {
-    return impl->virtual_filesystem;
+    return *cpu_cores[core_index];
 }
 
 System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
-    return impl->Init(emu_window);
+    LOG_DEBUG(HW_Memory, "initialized OK");
+
+    CoreTiming::Init();
+
+    // Create a default fs if one doesn't already exist.
+    if (virtual_filesystem == nullptr)
+        virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
+
+    current_process = Kernel::Process::Create("main");
+
+    cpu_barrier = std::make_shared<CpuBarrier>();
+    cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size());
+    for (size_t index = 0; index < cpu_cores.size(); ++index) {
+        cpu_cores[index] = std::make_shared<Cpu>(cpu_exclusive_monitor, cpu_barrier, index);
+    }
+
+    telemetry_session = std::make_unique<Core::TelemetrySession>();
+    service_manager = std::make_shared<Service::SM::ServiceManager>();
+
+    Kernel::Init();
+    Service::Init(service_manager, virtual_filesystem);
+    GDBStub::Init();
+
+    renderer = VideoCore::CreateRenderer(emu_window);
+    if (!renderer->Init()) {
+        return ResultStatus::ErrorVideoCore;
+    }
+
+    gpu_core = std::make_unique<Tegra::GPU>(renderer->Rasterizer());
+
+    // Create threads for CPU cores 1-3, and build thread_to_cpu map
+    // CPU core 0 is run on the main thread
+    thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0];
+    if (Settings::values.use_multi_core) {
+        for (size_t index = 0; index < cpu_core_threads.size(); ++index) {
+            cpu_core_threads[index] =
+                std::make_unique<std::thread>(RunCpuCore, cpu_cores[index + 1]);
+            thread_to_cpu[cpu_core_threads[index]->get_id()] = cpu_cores[index + 1];
+        }
+    }
+
+    LOG_DEBUG(Core, "Initialized OK");
+
+    // Reset counters and set time origin to current frame
+    GetAndResetPerfStats();
+    perf_stats.BeginSystemFrame();
+
+    return ResultStatus::Success;
 }
 
 void System::Shutdown() {
-    impl->Shutdown();
+    // Log last frame performance stats
+    auto perf_results = GetAndResetPerfStats();
+    Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_EmulationSpeed",
+                         perf_results.emulation_speed * 100.0);
+    Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Framerate",
+                         perf_results.game_fps);
+    Telemetry().AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
+                         perf_results.frametime * 1000.0);
+
+    // Shutdown emulation session
+    renderer.reset();
+    GDBStub::Shutdown();
+    Service::Shutdown();
+    Kernel::Shutdown();
+    service_manager.reset();
+    telemetry_session.reset();
+    gpu_core.reset();
+
+    // Close all CPU/threading state
+    cpu_barrier->NotifyEnd();
+    if (Settings::values.use_multi_core) {
+        for (auto& thread : cpu_core_threads) {
+            thread->join();
+            thread.reset();
+        }
+    }
+    thread_to_cpu.clear();
+    for (auto& cpu_core : cpu_cores) {
+        cpu_core.reset();
+    }
+    cpu_barrier.reset();
+
+    // Close core timing
+    CoreTiming::Shutdown();
+
+    // Close app loader
+    app_loader.reset();
+
+    LOG_DEBUG(Core, "Shutdown OK");
 }
 
 Service::SM::ServiceManager& System::ServiceManager() {
-    return *impl->service_manager;
+    return *service_manager;
 }
 
 const Service::SM::ServiceManager& System::ServiceManager() const {
-    return *impl->service_manager;
+    return *service_manager;
 }
 
 } // namespace Core

src/core/core.h

@@ -4,55 +4,40 @@
 
 #pragma once
 
-#include <cstddef>
+#include <array>
+#include <map>
 #include <memory>
 #include <string>
-
+#include <thread>
 #include "common/common_types.h"
+#include "core/arm/exclusive_monitor.h"
+#include "core/core_cpu.h"
 #include "core/hle/kernel/object.h"
+#include "core/hle/kernel/scheduler.h"
+#include "core/loader/loader.h"
+#include "core/memory.h"
+#include "core/perf_stats.h"
+#include "core/telemetry_session.h"
+#include "file_sys/vfs_real.h"
+#include "hle/service/filesystem/filesystem.h"
+#include "video_core/debug_utils/debug_utils.h"
+#include "video_core/gpu.h"
 
 namespace Core::Frontend {
 class EmuWindow;
-} // namespace Core::Frontend
-
-namespace FileSys {
-class VfsFilesystem;
-} // namespace FileSys
-
-namespace Kernel {
-class KernelCore;
-class Process;
-class Scheduler;
-} // namespace Kernel
-
-namespace Loader {
-class AppLoader;
-enum class ResultStatus : u16;
-} // namespace Loader
+}
 
 namespace Service::SM {
 class ServiceManager;
-} // namespace Service::SM
-
-namespace Tegra {
-class DebugContext;
-class GPU;
-} // namespace Tegra
+}
 
 namespace VideoCore {
 class RendererBase;
-} // namespace VideoCore
+}
 
 namespace Core {
 
 class ARM_Interface;
-class Cpu;
-class ExclusiveMonitor;
-class FrameLimiter;
-class PerfStats;
-class TelemetrySession;
-
-struct PerfStatsResults;
 
 class System {
 public:
@@ -108,7 +93,11 @@ public:
      * This function should only be used by GDB Stub to support breakpoints, memory updates and
      * step/continue commands.
      */
-    void InvalidateCpuInstructionCaches();
+    void InvalidateCpuInstructionCaches() {
+        for (auto& cpu : cpu_cores) {
+            cpu->ArmInterface().ClearInstructionCache();
+        }
+    }
 
     /// Shutdown the emulated system.
     void Shutdown();
@@ -127,28 +116,33 @@ public:
      * application).
      * @returns True if the emulated system is powered on, otherwise false.
      */
-    bool IsPoweredOn() const;
+    bool IsPoweredOn() const {
+        return cpu_barrier && cpu_barrier->IsAlive();
+    }
 
     /**
      * Returns a reference to the telemetry session for this emulation session.
      * @returns Reference to the telemetry session.
      */
-    Core::TelemetrySession& TelemetrySession() const;
+    Core::TelemetrySession& TelemetrySession() const {
+        return *telemetry_session;
+    }
 
     /// Prepare the core emulation for a reschedule
     void PrepareReschedule();
 
     /// Gets and resets core performance statistics
-    PerfStatsResults GetAndResetPerfStats();
+    PerfStats::Results GetAndResetPerfStats();
 
     /// Gets an ARM interface to the CPU core that is currently running
-    ARM_Interface& CurrentArmInterface();
+    ARM_Interface& CurrentArmInterface() {
+        return CurrentCpuCore().ArmInterface();
+    }
 
     /// Gets the index of the currently running CPU core
-    size_t CurrentCoreIndex();
-
-    /// Gets the scheduler for the CPU core that is currently running
-    Kernel::Scheduler& CurrentScheduler();
+    size_t CurrentCoreIndex() {
+        return CurrentCpuCore().CoreIndex();
+    }
 
     /// Gets an ARM interface to the CPU core with the specified index
     ARM_Interface& ArmInterface(size_t core_index);
@@ -156,67 +150,87 @@ public:
     /// Gets a CPU interface to the CPU core with the specified index
     Cpu& CpuCore(size_t core_index);
 
-    /// Gets the exclusive monitor
-    ExclusiveMonitor& Monitor();
-
     /// Gets a mutable reference to the GPU interface
-    Tegra::GPU& GPU();
+    Tegra::GPU& GPU() {
+        return *gpu_core;
+    }
 
     /// Gets an immutable reference to the GPU interface.
-    const Tegra::GPU& GPU() const;
+    const Tegra::GPU& GPU() const {
+        return *gpu_core;
+    }
 
     /// Gets a mutable reference to the renderer.
-    VideoCore::RendererBase& Renderer();
+    VideoCore::RendererBase& Renderer() {
+        return *renderer;
+    }
 
     /// Gets an immutable reference to the renderer.
-    const VideoCore::RendererBase& Renderer() const;
+    const VideoCore::RendererBase& Renderer() const {
+        return *renderer;
+    }
+
+    /// Gets the scheduler for the CPU core that is currently running
+    Kernel::Scheduler& CurrentScheduler() {
+        return *CurrentCpuCore().Scheduler();
+    }
+
+    /// Gets the exclusive monitor
+    ExclusiveMonitor& Monitor() {
+        return *cpu_exclusive_monitor;
+    }
 
     /// Gets the scheduler for the CPU core with the specified index
     const std::shared_ptr<Kernel::Scheduler>& Scheduler(size_t core_index);
 
-    /// Provides a reference to the current process
-    Kernel::SharedPtr<Kernel::Process>& CurrentProcess();
-
-    /// Provides a constant reference to the current process.
-    const Kernel::SharedPtr<Kernel::Process>& CurrentProcess() const;
-
-    /// Provides a reference to the kernel instance.
-    Kernel::KernelCore& Kernel();
-
-    /// Provides a constant reference to the kernel instance.
-    const Kernel::KernelCore& Kernel() const;
-
-    /// Provides a reference to the internal PerfStats instance.
-    Core::PerfStats& GetPerfStats();
-
-    /// Provides a constant reference to the internal PerfStats instance.
-    const Core::PerfStats& GetPerfStats() const;
-
-    /// Provides a reference to the frame limiter;
-    Core::FrameLimiter& FrameLimiter();
-
-    /// Provides a constant referent to the frame limiter
-    const Core::FrameLimiter& FrameLimiter() const;
+    /// Gets the current process
+    Kernel::SharedPtr<Kernel::Process>& CurrentProcess() {
+        return current_process;
+    }
 
     /// Gets the name of the current game
-    Loader::ResultStatus GetGameName(std::string& out) const;
+    Loader::ResultStatus GetGameName(std::string& out) const {
+        if (app_loader == nullptr)
+            return Loader::ResultStatus::ErrorNotInitialized;
+        return app_loader->ReadTitle(out);
+    }
 
-    void SetStatus(ResultStatus new_status, const char* details);
+    PerfStats perf_stats;
+    FrameLimiter frame_limiter;
 
-    const std::string& GetStatusDetails() const;
+    void SetStatus(ResultStatus new_status, const char* details = nullptr) {
+        status = new_status;
+        if (details) {
+            status_details = details;
+        }
+    }
 
-    Loader::AppLoader& GetAppLoader() const;
+    const std::string& GetStatusDetails() const {
+        return status_details;
+    }
+
+    Loader::AppLoader& GetAppLoader() const {
+        return *app_loader;
+    }
 
     Service::SM::ServiceManager& ServiceManager();
     const Service::SM::ServiceManager& ServiceManager() const;
 
-    void SetGPUDebugContext(std::shared_ptr<Tegra::DebugContext> context);
+    void SetGPUDebugContext(std::shared_ptr<Tegra::DebugContext> context) {
+        debug_context = std::move(context);
+    }
 
-    Tegra::DebugContext* GetGPUDebugContext() const;
+    std::shared_ptr<Tegra::DebugContext> GetGPUDebugContext() const {
+        return debug_context;
+    }
 
-    void SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs);
+    void SetFilesystem(FileSys::VirtualFilesystem vfs) {
+        virtual_filesystem = std::move(vfs);
+    }
 
-    std::shared_ptr<FileSys::VfsFilesystem> GetFilesystem() const;
+    FileSys::VirtualFilesystem GetFilesystem() const {
+        return virtual_filesystem;
+    }
 
 private:
     System();
@@ -232,10 +246,33 @@ private:
      */
     ResultStatus Init(Frontend::EmuWindow& emu_window);
 
-    struct Impl;
-    std::unique_ptr<Impl> impl;
+    /// RealVfsFilesystem instance
+    FileSys::VirtualFilesystem virtual_filesystem;
+    /// AppLoader used to load the current executing application
+    std::unique_ptr<Loader::AppLoader> app_loader;
+    std::unique_ptr<VideoCore::RendererBase> renderer;
+    std::unique_ptr<Tegra::GPU> gpu_core;
+    std::shared_ptr<Tegra::DebugContext> debug_context;
+    Kernel::SharedPtr<Kernel::Process> current_process;
+    std::shared_ptr<ExclusiveMonitor> cpu_exclusive_monitor;
+    std::shared_ptr<CpuBarrier> cpu_barrier;
+    std::array<std::shared_ptr<Cpu>, NUM_CPU_CORES> cpu_cores;
+    std::array<std::unique_ptr<std::thread>, NUM_CPU_CORES - 1> cpu_core_threads;
+    size_t active_core{}; ///< Active core, only used in single thread mode
+
+    /// Service manager
+    std::shared_ptr<Service::SM::ServiceManager> service_manager;
+
+    /// Telemetry session for this emulation session
+    std::unique_ptr<Core::TelemetrySession> telemetry_session;
 
     static System s_instance;
+
+    ResultStatus status = ResultStatus::Success;
+    std::string status_details = "";
+
+    /// Map of guest threads to CPU cores
+    std::map<std::thread::id, std::shared_ptr<Cpu>> thread_to_cpu;
 };
 
 inline ARM_Interface& CurrentArmInterface() {

src/core/crypto/aes_util.cpp

@@ -82,25 +82,11 @@ void AESCipher<Key, KeySize>::Transcode(const u8* src, size_t size, u8* dest, Op
         }
     } else {
         const auto block_size = mbedtls_cipher_get_block_size(context);
-        if (size < block_size) {
-            std::vector<u8> block(block_size);
-            std::memcpy(block.data(), src, size);
-            Transcode(block.data(), block.size(), block.data(), op);
-            std::memcpy(dest, block.data(), size);
-            return;
-        }
 
         for (size_t offset = 0; offset < size; offset += block_size) {
             auto length = std::min<size_t>(block_size, size - offset);
             mbedtls_cipher_update(context, src + offset, length, dest + offset, &written);
             if (written != length) {
-                if (length < block_size) {
-                    std::vector<u8> block(block_size);
-                    std::memcpy(block.data(), src + offset, length);
-                    Transcode(block.data(), block.size(), block.data(), op);
-                    std::memcpy(dest + offset, block.data(), length);
-                    return;
-                }
                 LOG_WARNING(Crypto, "Not all data was decrypted requested={:016X}, actual={:016X}.",
                             length, written);
             }

src/core/crypto/ctr_encryption_layer.cpp

@@ -21,7 +21,7 @@ size_t CTREncryptionLayer::Read(u8* data, size_t length, size_t offset) const {
         UpdateIV(base_offset + offset);
         std::vector<u8> raw = base->ReadBytes(length, offset);
         cipher.Transcode(raw.data(), raw.size(), data, Op::Decrypt);
-        return length;
+        return raw.size();
     }
 
     // offset does not fall on block boundary (0x10)

src/core/crypto/key_manager.cpp

@@ -8,15 +8,12 @@
 #include <locale>
 #include <sstream>
 #include <string_view>
-#include <tuple>
-#include <vector>
 #include "common/common_paths.h"
 #include "common/file_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
 #include "core/crypto/aes_util.h"
 #include "core/crypto/key_manager.h"
-#include "core/loader/loader.h"
 #include "core/settings.h"
 
 namespace Core::Crypto {
@@ -231,28 +228,18 @@ void KeyManager::WriteKeyToFile(bool title_key, std::string_view keyname,
 }
 
 void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
-    if (s128_keys.find({id, field1, field2}) != s128_keys.end())
-        return;
-    if (id == S128KeyType::Titlekey) {
-        Key128 rights_id;
-        std::memcpy(rights_id.data(), &field2, sizeof(u64));
-        std::memcpy(rights_id.data() + sizeof(u64), &field1, sizeof(u64));
-        WriteKeyToFile(true, Common::HexArrayToString(rights_id), key);
-    }
-    const auto iter2 = std::find_if(
+    const auto iter = std::find_if(
         s128_file_id.begin(), s128_file_id.end(),
         [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S128KeyType>> elem) {
             return std::tie(elem.second.type, elem.second.field1, elem.second.field2) ==
                    std::tie(id, field1, field2);
         });
-    if (iter2 != s128_file_id.end())
-        WriteKeyToFile(false, iter2->first, key);
+    if (iter != s128_file_id.end())
+        WriteKeyToFile(id == S128KeyType::Titlekey, iter->first, key);
     s128_keys[{id, field1, field2}] = key;
 }
 
 void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) {
-    if (s256_keys.find({id, field1, field2}) != s256_keys.end())
-        return;
     const auto iter = std::find_if(
         s256_file_id.begin(), s256_file_id.end(),
         [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S256KeyType>> elem) {

src/core/crypto/key_manager.h

@@ -6,19 +6,16 @@
 
 #include <array>
 #include <string>
+#include <string_view>
+#include <type_traits>
+#include <vector>
 #include <boost/container/flat_map.hpp>
-#include <boost/optional.hpp>
 #include <fmt/format.h>
 #include "common/common_types.h"
-
-namespace Loader {
-enum class ResultStatus : u16;
-}
+#include "core/loader/loader.h"
 
 namespace Core::Crypto {
 
-constexpr u64 TICKET_FILE_TITLEKEY_OFFSET = 0x180;
-
 using Key128 = std::array<u8, 0x10>;
 using Key256 = std::array<u8, 0x20>;
 using SHA256Hash = std::array<u8, 0x20>;

src/core/file_sys/bis_factory.cpp

@@ -3,7 +3,6 @@
 // Refer to the license.txt file included.
 
 #include "core/file_sys/bis_factory.h"
-#include "core/file_sys/registered_cache.h"
 
 namespace FileSys {
 
@@ -14,8 +13,6 @@ BISFactory::BISFactory(VirtualDir nand_root_)
       usrnand_cache(std::make_shared<RegisteredCache>(
           GetOrCreateDirectoryRelative(nand_root, "/user/Contents/registered"))) {}
 
-BISFactory::~BISFactory() = default;
-
 std::shared_ptr<RegisteredCache> BISFactory::GetSystemNANDContents() const {
     return sysnand_cache;
 }

src/core/file_sys/bis_factory.h

@@ -5,20 +5,17 @@
 #pragma once
 
 #include <memory>
-
-#include "core/file_sys/vfs.h"
+#include "core/loader/loader.h"
+#include "registered_cache.h"
 
 namespace FileSys {
 
-class RegisteredCache;
-
 /// File system interface to the Built-In Storage
 /// This is currently missing accessors to BIS partitions, but seemed like a good place for the NAND
 /// registered caches.
 class BISFactory {
 public:
     explicit BISFactory(VirtualDir nand_root);
-    ~BISFactory();
 
     std::shared_ptr<RegisteredCache> GetSystemNANDContents() const;
     std::shared_ptr<RegisteredCache> GetUserNANDContents() const;

src/core/file_sys/card_image.cpp

@@ -9,10 +9,7 @@
 
 #include "common/logging/log.h"
 #include "core/file_sys/card_image.h"
-#include "core/file_sys/content_archive.h"
-#include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/partition_filesystem.h"
-#include "core/file_sys/submission_package.h"
 #include "core/file_sys/vfs_offset.h"
 #include "core/loader/loader.h"
 
@@ -46,19 +43,15 @@ XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
             partitions[static_cast<size_t>(partition)] = std::make_shared<PartitionFilesystem>(raw);
     }
 
-    secure_partition = std::make_shared<NSP>(
-        main_hfs.GetFile(partition_names[static_cast<size_t>(XCIPartition::Secure)]));
+    program_nca_status = Loader::ResultStatus::ErrorXCIMissingProgramNCA;
 
-    const auto secure_ncas = secure_partition->GetNCAsCollapsed();
-    std::copy(secure_ncas.begin(), secure_ncas.end(), std::back_inserter(ncas));
+    auto result = AddNCAFromPartition(XCIPartition::Secure);
+    if (result != Loader::ResultStatus::Success) {
+        status = result;
+        return;
+    }
 
-    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)
-        program_nca_status = Loader::ResultStatus::ErrorXCIMissingProgramNCA;
-
-    auto result = AddNCAFromPartition(XCIPartition::Update);
+    result = AddNCAFromPartition(XCIPartition::Update);
     if (result != Loader::ResultStatus::Success) {
         status = result;
         return;
@@ -81,8 +74,6 @@ XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
     status = Loader::ResultStatus::Success;
 }
 
-XCI::~XCI() = default;
-
 Loader::ResultStatus XCI::GetStatus() const {
     return status;
 }
@@ -95,10 +86,6 @@ VirtualDir XCI::GetPartition(XCIPartition partition) const {
     return partitions[static_cast<size_t>(partition)];
 }
 
-std::shared_ptr<NSP> XCI::GetSecurePartitionNSP() const {
-    return secure_partition;
-}
-
 VirtualDir XCI::GetSecurePartition() const {
     return GetPartition(XCIPartition::Secure);
 }
@@ -115,20 +102,6 @@ VirtualDir XCI::GetLogoPartition() const {
     return GetPartition(XCIPartition::Logo);
 }
 
-u64 XCI::GetProgramTitleID() const {
-    return secure_partition->GetProgramTitleID();
-}
-
-std::shared_ptr<NCA> XCI::GetProgramNCA() const {
-    return program;
-}
-
-VirtualFile XCI::GetProgramNCAFile() const {
-    if (GetProgramNCA() == nullptr)
-        return nullptr;
-    return GetProgramNCA()->GetBaseFile();
-}
-
 const std::vector<std::shared_ptr<NCA>>& XCI::GetNCAs() const {
     return ncas;
 }

src/core/file_sys/card_image.h

@@ -5,22 +5,15 @@
 #pragma once
 
 #include <array>
-#include <memory>
 #include <vector>
 #include "common/common_types.h"
 #include "common/swap.h"
+#include "core/file_sys/content_archive.h"
 #include "core/file_sys/vfs.h"
-
-namespace Loader {
-enum class ResultStatus : u16;
-}
+#include "core/loader/loader.h"
 
 namespace FileSys {
 
-class NCA;
-enum class NCAContentType : u8;
-class NSP;
-
 enum class GamecardSize : u8 {
     S_1GB = 0xFA,
     S_2GB = 0xF8,
@@ -64,7 +57,6 @@ enum class XCIPartition : u8 { Update, Normal, Secure, Logo };
 class XCI : public ReadOnlyVfsDirectory {
 public:
     explicit XCI(VirtualFile file);
-    ~XCI() override;
 
     Loader::ResultStatus GetStatus() const;
     Loader::ResultStatus GetProgramNCAStatus() const;
@@ -72,16 +64,11 @@ public:
     u8 GetFormatVersion() const;
 
     VirtualDir GetPartition(XCIPartition partition) const;
-    std::shared_ptr<NSP> GetSecurePartitionNSP() const;
     VirtualDir GetSecurePartition() const;
     VirtualDir GetNormalPartition() const;
     VirtualDir GetUpdatePartition() const;
     VirtualDir GetLogoPartition() const;
 
-    u64 GetProgramTitleID() const;
-
-    std::shared_ptr<NCA> GetProgramNCA() const;
-    VirtualFile GetProgramNCAFile() const;
     const std::vector<std::shared_ptr<NCA>>& GetNCAs() const;
     std::shared_ptr<NCA> GetNCAByType(NCAContentType type) const;
     VirtualFile GetNCAFileByType(NCAContentType type) const;
@@ -107,8 +94,6 @@ private:
     Loader::ResultStatus program_nca_status;
 
     std::vector<VirtualDir> partitions;
-    std::shared_ptr<NSP> secure_partition;
-    std::shared_ptr<NCA> program;
     std::vector<std::shared_ptr<NCA>> ncas;
 };
 } // namespace FileSys

src/core/file_sys/content_archive.cpp

@@ -3,17 +3,12 @@
 // Refer to the license.txt file included.
 
 #include <algorithm>
-#include <cstring>
 #include <utility>
-
 #include <boost/optional.hpp>
-
 #include "common/logging/log.h"
 #include "core/crypto/aes_util.h"
 #include "core/crypto/ctr_encryption_layer.h"
 #include "core/file_sys/content_archive.h"
-#include "core/file_sys/nca_patch.h"
-#include "core/file_sys/partition_filesystem.h"
 #include "core/file_sys/romfs.h"
 #include "core/file_sys/vfs_offset.h"
 #include "core/loader/loader.h"
@@ -69,31 +64,10 @@ struct RomFSSuperblock {
 };
 static_assert(sizeof(RomFSSuperblock) == 0x200, "RomFSSuperblock has incorrect size.");
 
-struct BKTRHeader {
-    u64_le offset;
-    u64_le size;
-    u32_le magic;
-    INSERT_PADDING_BYTES(0x4);
-    u32_le number_entries;
-    INSERT_PADDING_BYTES(0x4);
-};
-static_assert(sizeof(BKTRHeader) == 0x20, "BKTRHeader has incorrect size.");
-
-struct BKTRSuperblock {
-    NCASectionHeaderBlock header_block;
-    IVFCHeader ivfc;
-    INSERT_PADDING_BYTES(0x18);
-    BKTRHeader relocation;
-    BKTRHeader subsection;
-    INSERT_PADDING_BYTES(0xC0);
-};
-static_assert(sizeof(BKTRSuperblock) == 0x200, "BKTRSuperblock has incorrect size.");
-
 union NCASectionHeader {
     NCASectionRaw raw;
     PFS0Superblock pfs0;
     RomFSSuperblock romfs;
-    BKTRSuperblock bktr;
 };
 static_assert(sizeof(NCASectionHeader) == 0x200, "NCASectionHeader has incorrect size.");
 
@@ -126,7 +100,7 @@ boost::optional<Core::Crypto::Key128> NCA::GetKeyAreaKey(NCASectionCryptoType ty
     Core::Crypto::Key128 out;
     if (type == NCASectionCryptoType::XTS)
         std::copy(key_area.begin(), key_area.begin() + 0x10, out.begin());
-    else if (type == NCASectionCryptoType::CTR || type == NCASectionCryptoType::BKTR)
+    else if (type == NCASectionCryptoType::CTR)
         std::copy(key_area.begin() + 0x20, key_area.begin() + 0x30, out.begin());
     else
         LOG_CRITICAL(Crypto, "Called GetKeyAreaKey on invalid NCASectionCryptoType type={:02X}",
@@ -176,9 +150,6 @@ VirtualFile NCA::Decrypt(NCASectionHeader s_header, VirtualFile in, u64 starting
         LOG_DEBUG(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);
         {
             boost::optional<Core::Crypto::Key128> key = boost::none;
@@ -215,9 +186,7 @@ VirtualFile NCA::Decrypt(NCASectionHeader s_header, VirtualFile in, u64 starting
     }
 }
 
-NCA::NCA(VirtualFile file_, VirtualFile bktr_base_romfs_, u64 bktr_base_ivfc_offset)
-    : file(std::move(file_)),
-      bktr_base_romfs(bktr_base_romfs_ ? std::move(bktr_base_romfs_) : nullptr) {
+NCA::NCA(VirtualFile file_) : file(std::move(file_)) {
     status = Loader::ResultStatus::Success;
 
     if (file == nullptr) {
@@ -292,21 +261,22 @@ NCA::NCA(VirtualFile file_, VirtualFile bktr_base_romfs_, u64 bktr_base_ivfc_off
     is_update = std::find_if(sections.begin(), sections.end(), [](const NCASectionHeader& header) {
                     return header.raw.header.crypto_type == NCASectionCryptoType::BKTR;
                 }) != sections.end();
-    ivfc_offset = 0;
 
     for (std::ptrdiff_t i = 0; i < number_sections; ++i) {
         auto section = sections[i];
 
         if (section.raw.header.filesystem_type == NCASectionFilesystemType::ROMFS) {
-            const size_t base_offset =
-                header.section_tables[i].media_offset * MEDIA_OFFSET_MULTIPLIER;
-            ivfc_offset = section.romfs.ivfc.levels[IVFC_MAX_LEVEL - 1].offset;
-            const size_t romfs_offset = base_offset + ivfc_offset;
+            const size_t romfs_offset =
+                header.section_tables[i].media_offset * MEDIA_OFFSET_MULTIPLIER +
+                section.romfs.ivfc.levels[IVFC_MAX_LEVEL - 1].offset;
             const size_t romfs_size = section.romfs.ivfc.levels[IVFC_MAX_LEVEL - 1].size;
-            auto raw = std::make_shared<OffsetVfsFile>(file, romfs_size, romfs_offset);
-            auto dec = Decrypt(section, raw, romfs_offset);
-
-            if (dec == nullptr) {
+            auto dec =
+                Decrypt(section, std::make_shared<OffsetVfsFile>(file, romfs_size, romfs_offset),
+                        romfs_offset);
+            if (dec != nullptr) {
+                files.push_back(std::move(dec));
+                romfs = files.back();
+            } else {
                 if (status != Loader::ResultStatus::Success)
                     return;
                 if (has_rights_id)
@@ -315,117 +285,6 @@ NCA::NCA(VirtualFile file_, VirtualFile bktr_base_romfs_, u64 bktr_base_ivfc_off
                     status = Loader::ResultStatus::ErrorIncorrectKeyAreaKey;
                 return;
             }
-
-            if (section.raw.header.crypto_type == NCASectionCryptoType::BKTR) {
-                if (section.bktr.relocation.magic != Common::MakeMagic('B', 'K', 'T', 'R') ||
-                    section.bktr.subsection.magic != Common::MakeMagic('B', 'K', 'T', 'R')) {
-                    status = Loader::ResultStatus::ErrorBadBKTRHeader;
-                    return;
-                }
-
-                if (section.bktr.relocation.offset + section.bktr.relocation.size !=
-                    section.bktr.subsection.offset) {
-                    status = Loader::ResultStatus::ErrorBKTRSubsectionNotAfterRelocation;
-                    return;
-                }
-
-                const u64 size =
-                    MEDIA_OFFSET_MULTIPLIER * (header.section_tables[i].media_end_offset -
-                                               header.section_tables[i].media_offset);
-                if (section.bktr.subsection.offset + section.bktr.subsection.size != size) {
-                    status = Loader::ResultStatus::ErrorBKTRSubsectionNotAtEnd;
-                    return;
-                }
-
-                const u64 offset = section.romfs.ivfc.levels[IVFC_MAX_LEVEL - 1].offset;
-                RelocationBlock relocation_block{};
-                if (dec->ReadObject(&relocation_block, section.bktr.relocation.offset - offset) !=
-                    sizeof(RelocationBlock)) {
-                    status = Loader::ResultStatus::ErrorBadRelocationBlock;
-                    return;
-                }
-                SubsectionBlock subsection_block{};
-                if (dec->ReadObject(&subsection_block, section.bktr.subsection.offset - offset) !=
-                    sizeof(RelocationBlock)) {
-                    status = Loader::ResultStatus::ErrorBadSubsectionBlock;
-                    return;
-                }
-
-                std::vector<RelocationBucketRaw> relocation_buckets_raw(
-                    (section.bktr.relocation.size - sizeof(RelocationBlock)) /
-                    sizeof(RelocationBucketRaw));
-                if (dec->ReadBytes(relocation_buckets_raw.data(),
-                                   section.bktr.relocation.size - sizeof(RelocationBlock),
-                                   section.bktr.relocation.offset + sizeof(RelocationBlock) -
-                                       offset) !=
-                    section.bktr.relocation.size - sizeof(RelocationBlock)) {
-                    status = Loader::ResultStatus::ErrorBadRelocationBuckets;
-                    return;
-                }
-
-                std::vector<SubsectionBucketRaw> subsection_buckets_raw(
-                    (section.bktr.subsection.size - sizeof(SubsectionBlock)) /
-                    sizeof(SubsectionBucketRaw));
-                if (dec->ReadBytes(subsection_buckets_raw.data(),
-                                   section.bktr.subsection.size - sizeof(SubsectionBlock),
-                                   section.bktr.subsection.offset + sizeof(SubsectionBlock) -
-                                       offset) !=
-                    section.bktr.subsection.size - sizeof(SubsectionBlock)) {
-                    status = Loader::ResultStatus::ErrorBadSubsectionBuckets;
-                    return;
-                }
-
-                std::vector<RelocationBucket> relocation_buckets(relocation_buckets_raw.size());
-                std::transform(relocation_buckets_raw.begin(), relocation_buckets_raw.end(),
-                               relocation_buckets.begin(), &ConvertRelocationBucketRaw);
-                std::vector<SubsectionBucket> subsection_buckets(subsection_buckets_raw.size());
-                std::transform(subsection_buckets_raw.begin(), subsection_buckets_raw.end(),
-                               subsection_buckets.begin(), &ConvertSubsectionBucketRaw);
-
-                u32 ctr_low;
-                std::memcpy(&ctr_low, section.raw.section_ctr.data(), sizeof(ctr_low));
-                subsection_buckets.back().entries.push_back(
-                    {section.bktr.relocation.offset, {0}, ctr_low});
-                subsection_buckets.back().entries.push_back({size, {0}, 0});
-
-                boost::optional<Core::Crypto::Key128> key = boost::none;
-                if (encrypted) {
-                    if (has_rights_id) {
-                        status = Loader::ResultStatus::Success;
-                        key = GetTitlekey();
-                        if (key == boost::none) {
-                            status = Loader::ResultStatus::ErrorMissingTitlekey;
-                            return;
-                        }
-                    } else {
-                        key = GetKeyAreaKey(NCASectionCryptoType::BKTR);
-                        if (key == boost::none) {
-                            status = Loader::ResultStatus::ErrorMissingKeyAreaKey;
-                            return;
-                        }
-                    }
-                }
-
-                if (bktr_base_romfs == nullptr) {
-                    status = Loader::ResultStatus::ErrorMissingBKTRBaseRomFS;
-                    return;
-                }
-
-                auto bktr = std::make_shared<BKTR>(
-                    bktr_base_romfs, std::make_shared<OffsetVfsFile>(file, romfs_size, base_offset),
-                    relocation_block, relocation_buckets, subsection_block, subsection_buckets,
-                    encrypted, encrypted ? key.get() : Core::Crypto::Key128{}, base_offset,
-                    bktr_base_ivfc_offset, section.raw.section_ctr);
-
-                // BKTR applies to entire IVFC, so make an offset version to level 6
-
-                files.push_back(std::make_shared<OffsetVfsFile>(
-                    bktr, romfs_size, section.romfs.ivfc.levels[IVFC_MAX_LEVEL - 1].offset));
-                romfs = files.back();
-            } else {
-                files.push_back(std::move(dec));
-                romfs = files.back();
-            }
         } else if (section.raw.header.filesystem_type == NCASectionFilesystemType::PFS0) {
             u64 offset = (static_cast<u64>(header.section_tables[i].media_offset) *
                           MEDIA_OFFSET_MULTIPLIER) +
@@ -441,12 +300,6 @@ NCA::NCA(VirtualFile file_, VirtualFile bktr_base_romfs_, u64 bktr_base_ivfc_off
                     dirs.push_back(std::move(npfs));
                     if (IsDirectoryExeFS(dirs.back()))
                         exefs = dirs.back();
-                } else {
-                    if (has_rights_id)
-                        status = Loader::ResultStatus::ErrorIncorrectTitlekeyOrTitlekek;
-                    else
-                        status = Loader::ResultStatus::ErrorIncorrectKeyAreaKey;
-                    return;
                 }
             } else {
                 if (status != Loader::ResultStatus::Success)
@@ -492,15 +345,11 @@ NCAContentType NCA::GetType() const {
 }
 
 u64 NCA::GetTitleId() const {
-    if (is_update || status == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS)
-        return header.title_id | 0x800;
+    if (status != Loader::ResultStatus::Success)
+        return {};
     return header.title_id;
 }
 
-bool NCA::IsUpdate() const {
-    return is_update;
-}
-
 VirtualFile NCA::GetRomFS() const {
     return romfs;
 }
@@ -513,8 +362,8 @@ VirtualFile NCA::GetBaseFile() const {
     return file;
 }
 
-u64 NCA::GetBaseIVFCOffset() const {
-    return ivfc_offset;
+bool NCA::IsUpdate() const {
+    return is_update;
 }
 
 bool NCA::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {

src/core/file_sys/content_archive.h

@@ -12,12 +12,10 @@
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/swap.h"
+#include "control_metadata.h"
 #include "core/crypto/key_manager.h"
-#include "core/file_sys/vfs.h"
-
-namespace Loader {
-enum class ResultStatus : u16;
-}
+#include "core/file_sys/partition_filesystem.h"
+#include "core/loader/loader.h"
 
 namespace FileSys {
 
@@ -79,8 +77,7 @@ bool IsValidNCA(const NCAHeader& header);
 // After construction, use GetStatus to determine if the file is valid and ready to be used.
 class NCA : public ReadOnlyVfsDirectory {
 public:
-    explicit NCA(VirtualFile file, VirtualFile bktr_base_romfs = nullptr,
-                 u64 bktr_base_ivfc_offset = 0);
+    explicit NCA(VirtualFile file);
     Loader::ResultStatus GetStatus() const;
 
     std::vector<std::shared_ptr<VfsFile>> GetFiles() const override;
@@ -90,15 +87,13 @@ public:
 
     NCAContentType GetType() const;
     u64 GetTitleId() const;
-    bool IsUpdate() const;
 
     VirtualFile GetRomFS() const;
     VirtualDir GetExeFS() const;
 
     VirtualFile GetBaseFile() const;
 
-    // Returns the base ivfc offset used in BKTR patching.
-    u64 GetBaseIVFCOffset() const;
+    bool IsUpdate() const;
 
 protected:
     bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
@@ -115,16 +110,14 @@ private:
     VirtualFile romfs = nullptr;
     VirtualDir exefs = nullptr;
     VirtualFile file;
-    VirtualFile bktr_base_romfs;
-    u64 ivfc_offset;
 
     NCAHeader header{};
     bool has_rights_id{};
+    bool is_update{};
 
     Loader::ResultStatus status{};
 
     bool encrypted;
-    bool is_update;
 
     Core::Crypto::KeyManager keys;
 };

src/core/file_sys/control_metadata.cpp

@@ -21,17 +21,7 @@ NACP::NACP(VirtualFile file) : raw(std::make_unique<RawNACP>()) {
 }
 
 const LanguageEntry& NACP::GetLanguageEntry(Language language) const {
-    if (language != Language::Default) {
-        return raw->language_entries.at(static_cast<u8>(language));
-    } else {
-        for (const auto& language_entry : raw->language_entries) {
-            if (!language_entry.GetApplicationName().empty())
-                return language_entry;
-        }
-
-        // Fallback to English
-        return GetLanguageEntry(Language::AmericanEnglish);
-    }
+    return raw->language_entries.at(static_cast<u8>(language));
 }
 
 std::string NACP::GetApplicationName(Language language) const {

src/core/file_sys/control_metadata.h

@@ -8,8 +8,6 @@
 #include <memory>
 #include <string>
 #include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "common/swap.h"
 #include "core/file_sys/vfs.h"
 
 namespace FileSys {
@@ -62,8 +60,6 @@ enum class Language : u8 {
     Korean = 12,
     Taiwanese = 13,
     Chinese = 14,
-
-    Default = 255,
 };
 
 static constexpr std::array<const char*, 15> LANGUAGE_NAMES = {
@@ -78,9 +74,9 @@ static constexpr std::array<const char*, 15> LANGUAGE_NAMES = {
 class NACP {
 public:
     explicit NACP(VirtualFile file);
-    const LanguageEntry& GetLanguageEntry(Language language = Language::Default) const;
-    std::string GetApplicationName(Language language = Language::Default) const;
-    std::string GetDeveloperName(Language language = Language::Default) const;
+    const LanguageEntry& GetLanguageEntry(Language language = Language::AmericanEnglish) const;
+    std::string GetApplicationName(Language language = Language::AmericanEnglish) const;
+    std::string GetDeveloperName(Language language = Language::AmericanEnglish) const;
     u64 GetTitleId() const;
     std::string GetVersionString() const;
 

src/core/file_sys/nca_metadata.cpp

@@ -3,9 +3,10 @@
 // Refer to the license.txt file included.
 
 #include <cstring>
-#include "common/common_types.h"
+#include "common/common_funcs.h"
 #include "common/logging/log.h"
 #include "common/swap.h"
+#include "content_archive.h"
 #include "core/file_sys/nca_metadata.h"
 
 namespace FileSys {

src/core/file_sys/nca_metadata.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <cstring>
 #include <memory>
 #include <vector>
 #include "common/common_funcs.h"

src/core/file_sys/nca_patch.cpp

@@ -1,210 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <cstddef>
-#include <cstring>
-
-#include "common/assert.h"
-#include "core/crypto/aes_util.h"
-#include "core/file_sys/nca_patch.h"
-
-namespace FileSys {
-
-BKTR::BKTR(VirtualFile base_romfs_, VirtualFile bktr_romfs_, RelocationBlock relocation_,
-           std::vector<RelocationBucket> relocation_buckets_, SubsectionBlock subsection_,
-           std::vector<SubsectionBucket> subsection_buckets_, bool is_encrypted_,
-           Core::Crypto::Key128 key_, u64 base_offset_, u64 ivfc_offset_,
-           std::array<u8, 8> section_ctr_)
-    : relocation(relocation_), relocation_buckets(std::move(relocation_buckets_)),
-      subsection(subsection_), subsection_buckets(std::move(subsection_buckets_)),
-      base_romfs(std::move(base_romfs_)), bktr_romfs(std::move(bktr_romfs_)),
-      encrypted(is_encrypted_), key(key_), base_offset(base_offset_), ivfc_offset(ivfc_offset_),
-      section_ctr(section_ctr_) {
-    for (size_t i = 0; i < relocation.number_buckets - 1; ++i) {
-        relocation_buckets[i].entries.push_back({relocation.base_offsets[i + 1], 0, 0});
-    }
-
-    for (size_t i = 0; i < subsection.number_buckets - 1; ++i) {
-        subsection_buckets[i].entries.push_back({subsection_buckets[i + 1].entries[0].address_patch,
-                                                 {0},
-                                                 subsection_buckets[i + 1].entries[0].ctr});
-    }
-
-    relocation_buckets.back().entries.push_back({relocation.size, 0, 0});
-}
-
-BKTR::~BKTR() = default;
-
-size_t BKTR::Read(u8* data, size_t length, size_t offset) const {
-    // Read out of bounds.
-    if (offset >= relocation.size)
-        return 0;
-    const auto relocation = GetRelocationEntry(offset);
-    const auto section_offset = offset - relocation.address_patch + relocation.address_source;
-    const auto bktr_read = relocation.from_patch;
-
-    const auto next_relocation = GetNextRelocationEntry(offset);
-
-    if (offset + length > next_relocation.address_patch) {
-        const u64 partition = next_relocation.address_patch - offset;
-        return Read(data, partition, offset) +
-               Read(data + partition, length - partition, offset + partition);
-    }
-
-    if (!bktr_read) {
-        ASSERT_MSG(section_offset >= ivfc_offset, "Offset calculation negative.");
-        return base_romfs->Read(data, length, section_offset - ivfc_offset);
-    }
-
-    if (!encrypted) {
-        return bktr_romfs->Read(data, length, section_offset);
-    }
-
-    const auto subsection = GetSubsectionEntry(section_offset);
-    Core::Crypto::AESCipher<Core::Crypto::Key128> cipher(key, Core::Crypto::Mode::CTR);
-
-    // Calculate AES IV
-    std::vector<u8> iv(16);
-    auto subsection_ctr = subsection.ctr;
-    auto offset_iv = section_offset + base_offset;
-    for (size_t i = 0; i < section_ctr.size(); ++i)
-        iv[i] = section_ctr[0x8 - i - 1];
-    offset_iv >>= 4;
-    for (size_t i = 0; i < sizeof(u64); ++i) {
-        iv[0xF - i] = static_cast<u8>(offset_iv & 0xFF);
-        offset_iv >>= 8;
-    }
-    for (size_t i = 0; i < sizeof(u32); ++i) {
-        iv[0x7 - i] = static_cast<u8>(subsection_ctr & 0xFF);
-        subsection_ctr >>= 8;
-    }
-    cipher.SetIV(iv);
-
-    const auto next_subsection = GetNextSubsectionEntry(section_offset);
-
-    if (section_offset + length > next_subsection.address_patch) {
-        const u64 partition = next_subsection.address_patch - section_offset;
-        return Read(data, partition, offset) +
-               Read(data + partition, length - partition, offset + partition);
-    }
-
-    const auto block_offset = section_offset & 0xF;
-    if (block_offset != 0) {
-        auto block = bktr_romfs->ReadBytes(0x10, section_offset & ~0xF);
-        cipher.Transcode(block.data(), block.size(), block.data(), Core::Crypto::Op::Decrypt);
-        if (length + block_offset < 0x10) {
-            std::memcpy(data, block.data() + block_offset, std::min(length, block.size()));
-            return std::min(length, block.size());
-        }
-
-        const auto read = 0x10 - block_offset;
-        std::memcpy(data, block.data() + block_offset, read);
-        return read + Read(data + read, length - read, offset + read);
-    }
-
-    const auto raw_read = bktr_romfs->Read(data, length, section_offset);
-    cipher.Transcode(data, raw_read, data, Core::Crypto::Op::Decrypt);
-    return raw_read;
-}
-
-template <bool Subsection, typename BlockType, typename BucketType>
-std::pair<size_t, size_t> BKTR::SearchBucketEntry(u64 offset, BlockType block,
-                                                  BucketType buckets) const {
-    if constexpr (Subsection) {
-        const auto last_bucket = buckets[block.number_buckets - 1];
-        if (offset >= last_bucket.entries[last_bucket.number_entries].address_patch)
-            return {block.number_buckets - 1, last_bucket.number_entries};
-    } else {
-        ASSERT_MSG(offset <= block.size, "Offset is out of bounds in BKTR relocation block.");
-    }
-
-    size_t bucket_id = std::count_if(block.base_offsets.begin() + 1,
-                                     block.base_offsets.begin() + block.number_buckets,
-                                     [&offset](u64 base_offset) { return base_offset <= offset; });
-
-    const auto bucket = buckets[bucket_id];
-
-    if (bucket.number_entries == 1)
-        return {bucket_id, 0};
-
-    size_t low = 0;
-    size_t mid = 0;
-    size_t high = bucket.number_entries - 1;
-    while (low <= high) {
-        mid = (low + high) / 2;
-        if (bucket.entries[mid].address_patch > offset) {
-            high = mid - 1;
-        } else {
-            if (mid == bucket.number_entries - 1 ||
-                bucket.entries[mid + 1].address_patch > offset) {
-                return {bucket_id, mid};
-            }
-
-            low = mid + 1;
-        }
-    }
-
-    UNREACHABLE_MSG("Offset could not be found in BKTR block.");
-}
-
-RelocationEntry BKTR::GetRelocationEntry(u64 offset) const {
-    const auto res = SearchBucketEntry<false>(offset, relocation, relocation_buckets);
-    return relocation_buckets[res.first].entries[res.second];
-}
-
-RelocationEntry BKTR::GetNextRelocationEntry(u64 offset) const {
-    const auto res = SearchBucketEntry<false>(offset, relocation, relocation_buckets);
-    const auto bucket = relocation_buckets[res.first];
-    if (res.second + 1 < bucket.entries.size())
-        return bucket.entries[res.second + 1];
-    return relocation_buckets[res.first + 1].entries[0];
-}
-
-SubsectionEntry BKTR::GetSubsectionEntry(u64 offset) const {
-    const auto res = SearchBucketEntry<true>(offset, subsection, subsection_buckets);
-    return subsection_buckets[res.first].entries[res.second];
-}
-
-SubsectionEntry BKTR::GetNextSubsectionEntry(u64 offset) const {
-    const auto res = SearchBucketEntry<true>(offset, subsection, subsection_buckets);
-    const auto bucket = subsection_buckets[res.first];
-    if (res.second + 1 < bucket.entries.size())
-        return bucket.entries[res.second + 1];
-    return subsection_buckets[res.first + 1].entries[0];
-}
-
-std::string BKTR::GetName() const {
-    return base_romfs->GetName();
-}
-
-size_t BKTR::GetSize() const {
-    return relocation.size;
-}
-
-bool BKTR::Resize(size_t new_size) {
-    return false;
-}
-
-std::shared_ptr<VfsDirectory> BKTR::GetContainingDirectory() const {
-    return base_romfs->GetContainingDirectory();
-}
-
-bool BKTR::IsWritable() const {
-    return false;
-}
-
-bool BKTR::IsReadable() const {
-    return true;
-}
-
-size_t BKTR::Write(const u8* data, size_t length, size_t offset) {
-    return 0;
-}
-
-bool BKTR::Rename(std::string_view name) {
-    return base_romfs->Rename(name);
-}
-
-} // namespace FileSys

src/core/file_sys/nca_patch.h

@@ -1,150 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <memory>
-#include <vector>
-
-#include "common/common_funcs.h"
-#include "common/common_types.h"
-#include "common/swap.h"
-#include "core/crypto/key_manager.h"
-
-namespace FileSys {
-
-#pragma pack(push, 1)
-struct RelocationEntry {
-    u64_le address_patch;
-    u64_le address_source;
-    u32 from_patch;
-};
-#pragma pack(pop)
-static_assert(sizeof(RelocationEntry) == 0x14, "RelocationEntry has incorrect size.");
-
-struct RelocationBucketRaw {
-    INSERT_PADDING_BYTES(4);
-    u32_le number_entries;
-    u64_le end_offset;
-    std::array<RelocationEntry, 0x332> relocation_entries;
-    INSERT_PADDING_BYTES(8);
-};
-static_assert(sizeof(RelocationBucketRaw) == 0x4000, "RelocationBucketRaw has incorrect size.");
-
-// Vector version of RelocationBucketRaw
-struct RelocationBucket {
-    u32 number_entries;
-    u64 end_offset;
-    std::vector<RelocationEntry> entries;
-};
-
-struct RelocationBlock {
-    INSERT_PADDING_BYTES(4);
-    u32_le number_buckets;
-    u64_le size;
-    std::array<u64, 0x7FE> base_offsets;
-};
-static_assert(sizeof(RelocationBlock) == 0x4000, "RelocationBlock has incorrect size.");
-
-struct SubsectionEntry {
-    u64_le address_patch;
-    INSERT_PADDING_BYTES(0x4);
-    u32_le ctr;
-};
-static_assert(sizeof(SubsectionEntry) == 0x10, "SubsectionEntry has incorrect size.");
-
-struct SubsectionBucketRaw {
-    INSERT_PADDING_BYTES(4);
-    u32_le number_entries;
-    u64_le end_offset;
-    std::array<SubsectionEntry, 0x3FF> subsection_entries;
-};
-static_assert(sizeof(SubsectionBucketRaw) == 0x4000, "SubsectionBucketRaw has incorrect size.");
-
-// Vector version of SubsectionBucketRaw
-struct SubsectionBucket {
-    u32 number_entries;
-    u64 end_offset;
-    std::vector<SubsectionEntry> entries;
-};
-
-struct SubsectionBlock {
-    INSERT_PADDING_BYTES(4);
-    u32_le number_buckets;
-    u64_le size;
-    std::array<u64, 0x7FE> base_offsets;
-};
-static_assert(sizeof(SubsectionBlock) == 0x4000, "SubsectionBlock has incorrect size.");
-
-inline RelocationBucket ConvertRelocationBucketRaw(RelocationBucketRaw raw) {
-    return {raw.number_entries,
-            raw.end_offset,
-            {raw.relocation_entries.begin(), raw.relocation_entries.begin() + raw.number_entries}};
-}
-
-inline SubsectionBucket ConvertSubsectionBucketRaw(SubsectionBucketRaw raw) {
-    return {raw.number_entries,
-            raw.end_offset,
-            {raw.subsection_entries.begin(), raw.subsection_entries.begin() + raw.number_entries}};
-}
-
-class BKTR : public VfsFile {
-public:
-    BKTR(VirtualFile base_romfs, VirtualFile bktr_romfs, RelocationBlock relocation,
-         std::vector<RelocationBucket> relocation_buckets, SubsectionBlock subsection,
-         std::vector<SubsectionBucket> subsection_buckets, bool is_encrypted,
-         Core::Crypto::Key128 key, u64 base_offset, u64 ivfc_offset, std::array<u8, 8> section_ctr);
-    ~BKTR() override;
-
-    size_t Read(u8* data, size_t length, size_t offset) const override;
-
-    std::string GetName() const override;
-
-    size_t GetSize() const override;
-
-    bool Resize(size_t new_size) override;
-
-    std::shared_ptr<VfsDirectory> GetContainingDirectory() const override;
-
-    bool IsWritable() const override;
-
-    bool IsReadable() const override;
-
-    size_t Write(const u8* data, size_t length, size_t offset) override;
-
-    bool Rename(std::string_view name) override;
-
-private:
-    template <bool Subsection, typename BlockType, typename BucketType>
-    std::pair<size_t, size_t> SearchBucketEntry(u64 offset, BlockType block,
-                                                BucketType buckets) const;
-
-    RelocationEntry GetRelocationEntry(u64 offset) const;
-    RelocationEntry GetNextRelocationEntry(u64 offset) const;
-
-    SubsectionEntry GetSubsectionEntry(u64 offset) const;
-    SubsectionEntry GetNextSubsectionEntry(u64 offset) const;
-
-    RelocationBlock relocation;
-    std::vector<RelocationBucket> relocation_buckets;
-    SubsectionBlock subsection;
-    std::vector<SubsectionBucket> subsection_buckets;
-
-    // Should be the raw base romfs, decrypted.
-    VirtualFile base_romfs;
-    // Should be the raw BKTR romfs, (located at media_offset with size media_size).
-    VirtualFile bktr_romfs;
-
-    bool encrypted;
-    Core::Crypto::Key128 key;
-
-    // Base offset into NCA, used for IV calculation.
-    u64 base_offset;
-    // Distance between IVFC start and RomFS start, used for base reads
-    u64 ivfc_offset;
-    std::array<u8, 8> section_ctr;
-};
-
-} // namespace FileSys

src/core/file_sys/patch_manager.cpp

@@ -1,157 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <array>
-#include <cstddef>
-
-#include "common/logging/log.h"
-#include "core/file_sys/content_archive.h"
-#include "core/file_sys/control_metadata.h"
-#include "core/file_sys/patch_manager.h"
-#include "core/file_sys/registered_cache.h"
-#include "core/file_sys/romfs.h"
-#include "core/hle/service/filesystem/filesystem.h"
-#include "core/loader/loader.h"
-
-namespace FileSys {
-
-constexpr u64 SINGLE_BYTE_MODULUS = 0x100;
-
-std::string FormatTitleVersion(u32 version, TitleVersionFormat format) {
-    std::array<u8, sizeof(u32)> bytes{};
-    bytes[0] = version % SINGLE_BYTE_MODULUS;
-    for (size_t i = 1; i < bytes.size(); ++i) {
-        version /= SINGLE_BYTE_MODULUS;
-        bytes[i] = version % SINGLE_BYTE_MODULUS;
-    }
-
-    if (format == TitleVersionFormat::FourElements)
-        return fmt::format("v{}.{}.{}.{}", bytes[3], bytes[2], bytes[1], bytes[0]);
-    return fmt::format("v{}.{}.{}", bytes[3], bytes[2], bytes[1]);
-}
-
-constexpr std::array<const char*, 1> PATCH_TYPE_NAMES{
-    "Update",
-};
-
-std::string FormatPatchTypeName(PatchType type) {
-    return PATCH_TYPE_NAMES.at(static_cast<size_t>(type));
-}
-
-PatchManager::PatchManager(u64 title_id) : title_id(title_id) {}
-
-VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
-    LOG_INFO(Loader, "Patching ExeFS for title_id={:016X}", title_id);
-
-    if (exefs == nullptr)
-        return exefs;
-
-    const auto installed = Service::FileSystem::GetUnionContents();
-
-    // Game Updates
-    const auto update_tid = GetUpdateTitleID(title_id);
-    const auto update = installed->GetEntry(update_tid, ContentRecordType::Program);
-    if (update != nullptr) {
-        if (update->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS &&
-            update->GetExeFS() != nullptr) {
-            LOG_INFO(Loader, "    ExeFS: Update ({}) applied successfully",
-                     FormatTitleVersion(installed->GetEntryVersion(update_tid).get_value_or(0)));
-            exefs = update->GetExeFS();
-        }
-    }
-
-    return exefs;
-}
-
-VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset,
-                                     ContentRecordType type) const {
-    LOG_INFO(Loader, "Patching RomFS for title_id={:016X}, type={:02X}", title_id,
-             static_cast<u8>(type));
-
-    if (romfs == nullptr)
-        return romfs;
-
-    const auto installed = Service::FileSystem::GetUnionContents();
-
-    // Game Updates
-    const auto update_tid = GetUpdateTitleID(title_id);
-    const auto update = installed->GetEntryRaw(update_tid, type);
-    if (update != nullptr) {
-        const auto new_nca = std::make_shared<NCA>(update, romfs, ivfc_offset);
-        if (new_nca->GetStatus() == Loader::ResultStatus::Success &&
-            new_nca->GetRomFS() != nullptr) {
-            LOG_INFO(Loader, "    RomFS: Update ({}) applied successfully",
-                     FormatTitleVersion(installed->GetEntryVersion(update_tid).get_value_or(0)));
-            romfs = new_nca->GetRomFS();
-        }
-    }
-
-    return romfs;
-}
-
-std::map<PatchType, std::string> PatchManager::GetPatchVersionNames() const {
-    std::map<PatchType, std::string> out;
-    const auto installed = Service::FileSystem::GetUnionContents();
-
-    const auto update_tid = GetUpdateTitleID(title_id);
-    PatchManager update{update_tid};
-    auto [nacp, discard_icon_file] = update.GetControlMetadata();
-
-    if (nacp != nullptr) {
-        out[PatchType::Update] = nacp->GetVersionString();
-    } else {
-        if (installed->HasEntry(update_tid, ContentRecordType::Program)) {
-            const auto meta_ver = installed->GetEntryVersion(update_tid);
-            if (meta_ver == boost::none || meta_ver.get() == 0) {
-                out[PatchType::Update] = "";
-            } else {
-                out[PatchType::Update] =
-                    FormatTitleVersion(meta_ver.get(), TitleVersionFormat::ThreeElements);
-            }
-        }
-    }
-
-    return out;
-}
-
-std::pair<std::shared_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
-    const auto& installed{Service::FileSystem::GetUnionContents()};
-
-    const auto base_control_nca = installed->GetEntry(title_id, ContentRecordType::Control);
-    if (base_control_nca == nullptr)
-        return {};
-
-    return ParseControlNCA(base_control_nca);
-}
-
-std::pair<std::shared_ptr<NACP>, VirtualFile> PatchManager::ParseControlNCA(
-    const std::shared_ptr<NCA>& nca) const {
-    const auto base_romfs = nca->GetRomFS();
-    if (base_romfs == nullptr)
-        return {};
-
-    const auto romfs = PatchRomFS(base_romfs, nca->GetBaseIVFCOffset(), ContentRecordType::Control);
-    if (romfs == nullptr)
-        return {};
-
-    const auto extracted = ExtractRomFS(romfs);
-    if (extracted == nullptr)
-        return {};
-
-    auto nacp_file = extracted->GetFile("control.nacp");
-    if (nacp_file == nullptr)
-        nacp_file = extracted->GetFile("Control.nacp");
-
-    const auto nacp = nacp_file == nullptr ? nullptr : std::make_shared<NACP>(nacp_file);
-
-    VirtualFile icon_file;
-    for (const auto& language : FileSys::LANGUAGE_NAMES) {
-        icon_file = extracted->GetFile("icon_" + std::string(language) + ".dat");
-        if (icon_file != nullptr)
-            break;
-    }
-
-    return {nacp, icon_file};
-}
-} // namespace FileSys

src/core/file_sys/patch_manager.h

@@ -1,63 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <map>
-#include <memory>
-#include <string>
-#include "common/common_types.h"
-#include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/vfs.h"
-
-namespace FileSys {
-
-class NCA;
-class NACP;
-
-enum class TitleVersionFormat : u8 {
-    ThreeElements, ///< vX.Y.Z
-    FourElements,  ///< vX.Y.Z.W
-};
-
-std::string FormatTitleVersion(u32 version,
-                               TitleVersionFormat format = TitleVersionFormat::ThreeElements);
-
-enum class PatchType {
-    Update,
-};
-
-std::string FormatPatchTypeName(PatchType type);
-
-// A centralized class to manage patches to games.
-class PatchManager {
-public:
-    explicit PatchManager(u64 title_id);
-
-    // Currently tracked ExeFS patches:
-    // - Game Updates
-    VirtualDir PatchExeFS(VirtualDir exefs) const;
-
-    // Currently tracked RomFS patches:
-    // - Game Updates
-    VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
-                           ContentRecordType type = ContentRecordType::Program) const;
-
-    // Returns a vector of pairs between patch names and patch versions.
-    // i.e. Update v80 will return {Update, 80}
-    std::map<PatchType, std::string> GetPatchVersionNames() 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::shared_ptr<NACP>, VirtualFile> GetControlMetadata() const;
-
-    // Version of GetControlMetadata that takes an arbitrary NCA
-    std::pair<std::shared_ptr<NACP>, VirtualFile> ParseControlNCA(
-        const std::shared_ptr<NCA>& nca) const;
-
-private:
-    u64 title_id;
-};
-
-} // namespace FileSys

src/core/file_sys/program_metadata.cpp

@@ -2,10 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cstddef>
-#include <cstring>
-#include <vector>
-
+#include "common/file_util.h"
 #include "common/logging/log.h"
 #include "core/file_sys/program_metadata.h"
 #include "core/loader/loader.h"

src/core/file_sys/program_metadata.h

@@ -5,10 +5,12 @@
 #pragma once
 
 #include <array>
+#include <string>
+#include <vector>
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "common/swap.h"
-#include "core/file_sys/vfs.h"
+#include "partition_filesystem.h"
 
 namespace Loader {
 enum class ResultStatus : u16;

src/core/file_sys/registered_cache.cpp

@@ -5,17 +5,13 @@
 #include <regex>
 #include <mbedtls/sha256.h>
 #include "common/assert.h"
-#include "common/file_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
-#include "core/crypto/key_manager.h"
+#include "core/crypto/encryption_layer.h"
 #include "core/file_sys/card_image.h"
-#include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/registered_cache.h"
-#include "core/file_sys/submission_package.h"
 #include "core/file_sys/vfs_concat.h"
-#include "core/loader/loader.h"
 
 namespace FileSys {
 std::string RegisteredCacheEntry::DebugInfo() const {
@@ -280,18 +276,6 @@ VirtualFile RegisteredCache::GetEntryUnparsed(RegisteredCacheEntry entry) const
     return GetEntryUnparsed(entry.title_id, entry.type);
 }
 
-boost::optional<u32> RegisteredCache::GetEntryVersion(u64 title_id) const {
-    const auto meta_iter = meta.find(title_id);
-    if (meta_iter != meta.end())
-        return meta_iter->second.GetTitleVersion();
-
-    const auto yuzu_meta_iter = yuzu_meta.find(title_id);
-    if (yuzu_meta_iter != yuzu_meta.end())
-        return yuzu_meta_iter->second.GetTitleVersion();
-
-    return boost::none;
-}
-
 VirtualFile RegisteredCache::GetEntryRaw(u64 title_id, ContentRecordType type) const {
     const auto id = GetNcaIDFromMetadata(title_id, type);
     if (id == boost::none)
@@ -371,21 +355,17 @@ std::vector<RegisteredCacheEntry> RegisteredCache::ListEntriesFilter(
     return out;
 }
 
-static std::shared_ptr<NCA> GetNCAFromNSPForID(std::shared_ptr<NSP> nsp, const NcaID& id) {
-    const auto file = nsp->GetFile(fmt::format("{}.nca", Common::HexArrayToString(id, false)));
-    if (file == nullptr)
-        return nullptr;
-    return std::make_shared<NCA>(file);
+static std::shared_ptr<NCA> GetNCAFromXCIForID(std::shared_ptr<XCI> xci, const NcaID& id) {
+    const auto filename = fmt::format("{}.nca", Common::HexArrayToString(id, false));
+    const auto iter =
+        std::find_if(xci->GetNCAs().begin(), xci->GetNCAs().end(),
+                     [&filename](std::shared_ptr<NCA> nca) { return nca->GetName() == filename; });
+    return iter == xci->GetNCAs().end() ? nullptr : *iter;
 }
 
 InstallResult RegisteredCache::InstallEntry(std::shared_ptr<XCI> xci, bool overwrite_if_exists,
                                             const VfsCopyFunction& copy) {
-    return InstallEntry(xci->GetSecurePartitionNSP(), overwrite_if_exists, copy);
-}
-
-InstallResult RegisteredCache::InstallEntry(std::shared_ptr<NSP> nsp, bool overwrite_if_exists,
-                                            const VfsCopyFunction& copy) {
-    const auto& ncas = nsp->GetNCAsCollapsed();
+    const auto& ncas = xci->GetNCAs();
     const auto& meta_iter = std::find_if(ncas.begin(), ncas.end(), [](std::shared_ptr<NCA> nca) {
         return nca->GetType() == NCAContentType::Meta;
     });
@@ -409,7 +389,7 @@ InstallResult RegisteredCache::InstallEntry(std::shared_ptr<NSP> nsp, bool overw
     const auto cnmt_file = section0->GetFiles()[0];
     const CNMT cnmt(cnmt_file);
     for (const auto& record : cnmt.GetContentRecords()) {
-        const auto nca = GetNCAFromNSPForID(nsp, record.nca_id);
+        const auto nca = GetNCAFromXCIForID(xci, record.nca_id);
         if (nca == nullptr)
             return InstallResult::ErrorCopyFailed;
         const auto res2 = RawInstallNCA(nca, copy, overwrite_if_exists, record.nca_id);
@@ -510,107 +490,4 @@ bool RegisteredCache::RawInstallYuzuMeta(const CNMT& cnmt) {
                                    kv.second.GetTitleID() == cnmt.GetTitleID();
                         }) != yuzu_meta.end();
 }
-
-RegisteredCacheUnion::RegisteredCacheUnion(std::vector<std::shared_ptr<RegisteredCache>> caches)
-    : caches(std::move(caches)) {}
-
-void RegisteredCacheUnion::Refresh() {
-    for (const auto& c : caches)
-        c->Refresh();
-}
-
-bool RegisteredCacheUnion::HasEntry(u64 title_id, ContentRecordType type) const {
-    return std::any_of(caches.begin(), caches.end(), [title_id, type](const auto& cache) {
-        return cache->HasEntry(title_id, type);
-    });
-}
-
-bool RegisteredCacheUnion::HasEntry(RegisteredCacheEntry entry) const {
-    return HasEntry(entry.title_id, entry.type);
-}
-
-boost::optional<u32> RegisteredCacheUnion::GetEntryVersion(u64 title_id) const {
-    for (const auto& c : caches) {
-        const auto res = c->GetEntryVersion(title_id);
-        if (res != boost::none)
-            return res;
-    }
-
-    return boost::none;
-}
-
-VirtualFile RegisteredCacheUnion::GetEntryUnparsed(u64 title_id, ContentRecordType type) const {
-    for (const auto& c : caches) {
-        const auto res = c->GetEntryUnparsed(title_id, type);
-        if (res != nullptr)
-            return res;
-    }
-
-    return nullptr;
-}
-
-VirtualFile RegisteredCacheUnion::GetEntryUnparsed(RegisteredCacheEntry entry) const {
-    return GetEntryUnparsed(entry.title_id, entry.type);
-}
-
-VirtualFile RegisteredCacheUnion::GetEntryRaw(u64 title_id, ContentRecordType type) const {
-    for (const auto& c : caches) {
-        const auto res = c->GetEntryRaw(title_id, type);
-        if (res != nullptr)
-            return res;
-    }
-
-    return nullptr;
-}
-
-VirtualFile RegisteredCacheUnion::GetEntryRaw(RegisteredCacheEntry entry) const {
-    return GetEntryRaw(entry.title_id, entry.type);
-}
-
-std::shared_ptr<NCA> RegisteredCacheUnion::GetEntry(u64 title_id, ContentRecordType type) const {
-    const auto raw = GetEntryRaw(title_id, type);
-    if (raw == nullptr)
-        return nullptr;
-    return std::make_shared<NCA>(raw);
-}
-
-std::shared_ptr<NCA> RegisteredCacheUnion::GetEntry(RegisteredCacheEntry entry) const {
-    return GetEntry(entry.title_id, entry.type);
-}
-
-std::vector<RegisteredCacheEntry> RegisteredCacheUnion::ListEntries() const {
-    std::vector<RegisteredCacheEntry> out;
-    for (const auto& c : caches) {
-        c->IterateAllMetadata<RegisteredCacheEntry>(
-            out,
-            [](const CNMT& c, const ContentRecord& r) {
-                return RegisteredCacheEntry{c.GetTitleID(), r.type};
-            },
-            [](const CNMT& c, const ContentRecord& r) { return true; });
-    }
-    return out;
-}
-
-std::vector<RegisteredCacheEntry> RegisteredCacheUnion::ListEntriesFilter(
-    boost::optional<TitleType> title_type, boost::optional<ContentRecordType> record_type,
-    boost::optional<u64> title_id) const {
-    std::vector<RegisteredCacheEntry> out;
-    for (const auto& c : caches) {
-        c->IterateAllMetadata<RegisteredCacheEntry>(
-            out,
-            [](const CNMT& c, const ContentRecord& r) {
-                return RegisteredCacheEntry{c.GetTitleID(), r.type};
-            },
-            [&title_type, &record_type, &title_id](const CNMT& c, const ContentRecord& r) {
-                if (title_type != boost::none && title_type.get() != c.GetType())
-                    return false;
-                if (record_type != boost::none && record_type.get() != r.type)
-                    return false;
-                if (title_id != boost::none && title_id.get() != c.GetTitleID())
-                    return false;
-                return true;
-            });
-    }
-    return out;
-}
 } // namespace FileSys

src/core/file_sys/registered_cache.h

@@ -11,19 +11,15 @@
 #include <string>
 #include <vector>
 #include <boost/container/flat_map.hpp>
+#include "common/common_funcs.h"
 #include "common/common_types.h"
+#include "content_archive.h"
+#include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/vfs.h"
 
 namespace FileSys {
-class CNMT;
-class NCA;
-class NSP;
 class XCI;
-
-enum class ContentRecordType : u8;
-enum class TitleType : u8;
-
-struct ContentRecord;
+class CNMT;
 
 using NcaID = std::array<u8, 0x10>;
 using RegisteredCacheParsingFunction = std::function<VirtualFile(const VirtualFile&, const NcaID&)>;
@@ -43,10 +39,6 @@ struct RegisteredCacheEntry {
     std::string DebugInfo() const;
 };
 
-constexpr u64 GetUpdateTitleID(u64 base_title_id) {
-    return base_title_id | 0x800;
-}
-
 // boost flat_map requires operator< for O(log(n)) lookups.
 bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs);
 
@@ -64,8 +56,6 @@ bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs)
  * 4GB splitting can be ignored.)
  */
 class RegisteredCache {
-    friend class RegisteredCacheUnion;
-
 public:
     // Parsing function defines the conversion from raw file to NCA. If there are other steps
     // besides creating the NCA from the file (e.g. NAX0 on SD Card), that should go in a custom
@@ -80,8 +70,6 @@ public:
     bool HasEntry(u64 title_id, ContentRecordType type) const;
     bool HasEntry(RegisteredCacheEntry entry) const;
 
-    boost::optional<u32> GetEntryVersion(u64 title_id) const;
-
     VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const;
     VirtualFile GetEntryUnparsed(RegisteredCacheEntry entry) const;
 
@@ -98,12 +86,10 @@ public:
         boost::optional<ContentRecordType> record_type = boost::none,
         boost::optional<u64> title_id = boost::none) const;
 
-    // Raw copies all the ncas from the xci/nsp to the csache. Does some quick checks to make sure
-    // there is a meta NCA and all of them are accessible.
+    // Raw copies all the ncas from the xci to the csache. Does some quick checks to make sure there
+    // is a meta NCA and all of them are accessible.
     InstallResult InstallEntry(std::shared_ptr<XCI> xci, bool overwrite_if_exists = false,
                                const VfsCopyFunction& copy = &VfsRawCopy);
-    InstallResult InstallEntry(std::shared_ptr<NSP> nsp, bool overwrite_if_exists = false,
-                               const VfsCopyFunction& copy = &VfsRawCopy);
 
     // Due to the fact that we must use Meta-type NCAs to determine the existance of files, this
     // poses quite a challenge. Instead of creating a new meta NCA for this file, yuzu will create a
@@ -139,36 +125,4 @@ private:
     boost::container::flat_map<u64, CNMT> yuzu_meta;
 };
 
-// Combines multiple RegisteredCaches (i.e. SysNAND, UserNAND, SDMC) into one interface.
-class RegisteredCacheUnion {
-public:
-    explicit RegisteredCacheUnion(std::vector<std::shared_ptr<RegisteredCache>> caches);
-
-    void Refresh();
-
-    bool HasEntry(u64 title_id, ContentRecordType type) const;
-    bool HasEntry(RegisteredCacheEntry entry) const;
-
-    boost::optional<u32> GetEntryVersion(u64 title_id) const;
-
-    VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const;
-    VirtualFile GetEntryUnparsed(RegisteredCacheEntry entry) const;
-
-    VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const;
-    VirtualFile GetEntryRaw(RegisteredCacheEntry entry) const;
-
-    std::shared_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
-    std::shared_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
-
-    std::vector<RegisteredCacheEntry> ListEntries() const;
-    // If a parameter is not boost::none, it will be filtered for from all entries.
-    std::vector<RegisteredCacheEntry> ListEntriesFilter(
-        boost::optional<TitleType> title_type = boost::none,
-        boost::optional<ContentRecordType> record_type = boost::none,
-        boost::optional<u64> title_id = boost::none) const;
-
-private:
-    std::vector<std::shared_ptr<RegisteredCache>> caches;
-};
-
 } // namespace FileSys

src/core/file_sys/romfs.h

@@ -6,7 +6,6 @@
 
 #include <array>
 #include "common/common_funcs.h"
-#include "common/common_types.h"
 #include "common/swap.h"
 #include "core/file_sys/vfs.h"
 

src/core/file_sys/romfs_factory.cpp

@@ -2,14 +2,11 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include <memory>
-#include "common/assert.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
-#include "core/core.h"
-#include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/patch_manager.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/romfs_factory.h"
 #include "core/hle/kernel/process.h"
@@ -23,17 +20,10 @@ RomFSFactory::RomFSFactory(Loader::AppLoader& app_loader) {
     if (app_loader.ReadRomFS(file) != Loader::ResultStatus::Success) {
         LOG_ERROR(Service_FS, "Unable to read RomFS!");
     }
-
-    updatable = app_loader.IsRomFSUpdatable();
-    ivfc_offset = app_loader.ReadRomFSIVFCOffset();
 }
 
 ResultVal<VirtualFile> RomFSFactory::OpenCurrentProcess() {
-    if (!updatable)
-        return MakeResult<VirtualFile>(file);
-
-    const PatchManager patch_manager(Core::CurrentProcess()->program_id);
-    return MakeResult<VirtualFile>(patch_manager.PatchRomFS(file, ivfc_offset));
+    return MakeResult<VirtualFile>(file);
 }
 
 ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage, ContentRecordType type) {

src/core/file_sys/romfs_factory.h

@@ -36,8 +36,6 @@ public:
 
 private:
     VirtualFile file;
-    bool updatable;
-    u64 ivfc_offset;
 };
 
 } // namespace FileSys

src/core/file_sys/savedata_factory.cpp

@@ -3,12 +3,10 @@
 // Refer to the license.txt file included.
 
 #include <memory>
-#include "common/assert.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/file_sys/savedata_factory.h"
-#include "core/file_sys/vfs.h"
 #include "core/hle/kernel/process.h"
 
 namespace FileSys {

src/core/file_sys/savedata_factory.h

@@ -6,10 +6,8 @@
 
 #include <memory>
 #include <string>
-#include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/swap.h"
-#include "core/file_sys/vfs.h"
 #include "core/hle/result.h"
 
 namespace FileSys {

src/core/file_sys/submission_package.cpp

@@ -1,245 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <cstring>
-#include <string_view>
-
-#include <fmt/ostream.h>
-
-#include "common/hex_util.h"
-#include "common/logging/log.h"
-#include "core/crypto/key_manager.h"
-#include "core/file_sys/content_archive.h"
-#include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/partition_filesystem.h"
-#include "core/file_sys/submission_package.h"
-#include "core/loader/loader.h"
-
-namespace FileSys {
-NSP::NSP(VirtualFile file_)
-    : file(std::move(file_)), status{Loader::ResultStatus::Success},
-      pfs(std::make_shared<PartitionFilesystem>(file)) {
-    if (pfs->GetStatus() != Loader::ResultStatus::Success) {
-        status = pfs->GetStatus();
-        return;
-    }
-
-    if (IsDirectoryExeFS(pfs)) {
-        extracted = true;
-        exefs = pfs;
-
-        const auto& files = pfs->GetFiles();
-        const auto romfs_iter =
-            std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
-                return file->GetName().find(".romfs") != std::string::npos;
-            });
-        if (romfs_iter != files.end())
-            romfs = *romfs_iter;
-        return;
-    }
-
-    extracted = false;
-    const auto files = pfs->GetFiles();
-
-    Core::Crypto::KeyManager keys;
-    for (const auto& ticket_file : files) {
-        if (ticket_file->GetExtension() == "tik") {
-            if (ticket_file == nullptr ||
-                ticket_file->GetSize() <
-                    Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
-                continue;
-            }
-
-            Core::Crypto::Key128 key{};
-            ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
-            std::string_view name_only(ticket_file->GetName());
-            name_only.remove_suffix(4);
-            const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
-            u128 rights_id;
-            std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
-            keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
-        }
-    }
-
-    for (const auto& outer_file : files) {
-        if (outer_file->GetName().substr(outer_file->GetName().size() - 9) == ".cnmt.nca") {
-            const auto nca = std::make_shared<NCA>(outer_file);
-            if (nca->GetStatus() != Loader::ResultStatus::Success) {
-                program_status[nca->GetTitleId()] = nca->GetStatus();
-                continue;
-            }
-
-            const auto section0 = nca->GetSubdirectories()[0];
-
-            for (const auto& inner_file : section0->GetFiles()) {
-                if (inner_file->GetExtension() != "cnmt")
-                    continue;
-
-                const CNMT cnmt(inner_file);
-                auto& ncas_title = ncas[cnmt.GetTitleID()];
-
-                ncas_title[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));
-                    if (next_file == nullptr) {
-                        LOG_WARNING(Service_FS,
-                                    "NCA with ID {}.nca is listed in content metadata, but cannot "
-                                    "be found in PFS. NSP appears to be corrupted.",
-                                    id_string);
-                        continue;
-                    }
-
-                    auto next_nca = std::make_shared<NCA>(next_file);
-                    if (next_nca->GetType() == NCAContentType::Program)
-                        program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
-                    if (next_nca->GetStatus() == Loader::ResultStatus::Success)
-                        ncas_title[rec.type] = std::move(next_nca);
-                }
-
-                break;
-            }
-        }
-    }
-}
-
-NSP::~NSP() = default;
-
-Loader::ResultStatus NSP::GetStatus() const {
-    return status;
-}
-
-Loader::ResultStatus NSP::GetProgramStatus(u64 title_id) const {
-    const auto iter = program_status.find(title_id);
-    if (iter == program_status.end())
-        return Loader::ResultStatus::ErrorNSPMissingProgramNCA;
-    return iter->second;
-}
-
-u64 NSP::GetFirstTitleID() const {
-    if (program_status.empty())
-        return 0;
-    return program_status.begin()->first;
-}
-
-u64 NSP::GetProgramTitleID() const {
-    const auto out = GetFirstTitleID();
-    if ((out & 0x800) == 0)
-        return out;
-
-    const auto ids = GetTitleIDs();
-    const auto iter =
-        std::find_if(ids.begin(), ids.end(), [](u64 tid) { return (tid & 0x800) == 0; });
-    return iter == ids.end() ? out : *iter;
-}
-
-std::vector<u64> NSP::GetTitleIDs() const {
-    std::vector<u64> out;
-    out.reserve(ncas.size());
-    for (const auto& kv : ncas)
-        out.push_back(kv.first);
-    return out;
-}
-
-bool NSP::IsExtractedType() const {
-    return extracted;
-}
-
-VirtualFile NSP::GetRomFS() const {
-    return romfs;
-}
-
-VirtualDir NSP::GetExeFS() const {
-    return exefs;
-}
-
-std::vector<std::shared_ptr<NCA>> NSP::GetNCAsCollapsed() const {
-    if (extracted)
-        LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
-    std::vector<std::shared_ptr<NCA>> out;
-    for (const auto& map : ncas) {
-        for (const auto& inner_map : map.second)
-            out.push_back(inner_map.second);
-    }
-    return out;
-}
-
-std::multimap<u64, std::shared_ptr<NCA>> NSP::GetNCAsByTitleID() const {
-    if (extracted)
-        LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
-    std::multimap<u64, std::shared_ptr<NCA>> out;
-    for (const auto& map : ncas) {
-        for (const auto& inner_map : map.second)
-            out.emplace(map.first, inner_map.second);
-    }
-    return out;
-}
-
-std::map<u64, std::map<ContentRecordType, std::shared_ptr<NCA>>> NSP::GetNCAs() const {
-    return ncas;
-}
-
-std::shared_ptr<NCA> NSP::GetNCA(u64 title_id, ContentRecordType type) const {
-    if (extracted)
-        LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
-
-    const auto title_id_iter = ncas.find(title_id);
-    if (title_id_iter == ncas.end())
-        return nullptr;
-
-    const auto type_iter = title_id_iter->second.find(type);
-    if (type_iter == title_id_iter->second.end())
-        return nullptr;
-
-    return type_iter->second;
-}
-
-VirtualFile NSP::GetNCAFile(u64 title_id, ContentRecordType type) const {
-    if (extracted)
-        LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
-    const auto nca = GetNCA(title_id, type);
-    if (nca != nullptr)
-        return nca->GetBaseFile();
-    return nullptr;
-}
-
-std::vector<Core::Crypto::Key128> NSP::GetTitlekey() const {
-    if (extracted)
-        LOG_WARNING(Service_FS, "called on an NSP that is of type extracted.");
-    std::vector<Core::Crypto::Key128> out;
-    for (const auto& ticket_file : ticket_files) {
-        if (ticket_file == nullptr ||
-            ticket_file->GetSize() <
-                Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
-            continue;
-        }
-
-        out.emplace_back();
-        ticket_file->Read(out.back().data(), out.back().size(),
-                          Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
-    }
-    return out;
-}
-
-std::vector<VirtualFile> NSP::GetFiles() const {
-    return pfs->GetFiles();
-}
-
-std::vector<VirtualDir> NSP::GetSubdirectories() const {
-    return pfs->GetSubdirectories();
-}
-
-std::string NSP::GetName() const {
-    return file->GetName();
-}
-
-VirtualDir NSP::GetParentDirectory() const {
-    return file->GetContainingDirectory();
-}
-
-bool NSP::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
-    return false;
-}
-} // namespace FileSys

src/core/file_sys/submission_package.h

@@ -1,76 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <map>
-#include <memory>
-#include <vector>
-#include "common/common_types.h"
-#include "core/file_sys/vfs.h"
-
-namespace Loader {
-enum class ResultStatus : u16;
-}
-
-namespace FileSys {
-
-class NCA;
-class PartitionFilesystem;
-
-enum class ContentRecordType : u8;
-
-class NSP : public ReadOnlyVfsDirectory {
-public:
-    explicit NSP(VirtualFile file);
-    ~NSP();
-
-    Loader::ResultStatus GetStatus() const;
-    Loader::ResultStatus GetProgramStatus(u64 title_id) const;
-    // Should only be used when one title id can be assured.
-    u64 GetFirstTitleID() const;
-    u64 GetProgramTitleID() const;
-    std::vector<u64> GetTitleIDs() const;
-
-    bool IsExtractedType() const;
-
-    // Common (Can be safely called on both types)
-    VirtualFile GetRomFS() const;
-    VirtualDir GetExeFS() const;
-
-    // Type 0 Only (Collection of NCAs + Certificate + Ticket + Meta XML)
-    std::vector<std::shared_ptr<NCA>> GetNCAsCollapsed() const;
-    std::multimap<u64, std::shared_ptr<NCA>> GetNCAsByTitleID() const;
-    std::map<u64, std::map<ContentRecordType, std::shared_ptr<NCA>>> GetNCAs() const;
-    std::shared_ptr<NCA> GetNCA(u64 title_id, ContentRecordType type) const;
-    VirtualFile GetNCAFile(u64 title_id, ContentRecordType type) const;
-    std::vector<Core::Crypto::Key128> GetTitlekey() const;
-
-    std::vector<VirtualFile> GetFiles() const override;
-
-    std::vector<VirtualDir> GetSubdirectories() const override;
-
-    std::string GetName() const override;
-
-    VirtualDir GetParentDirectory() const override;
-
-protected:
-    bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
-
-private:
-    VirtualFile file;
-
-    bool extracted;
-    Loader::ResultStatus status;
-    std::map<u64, Loader::ResultStatus> program_status;
-
-    std::shared_ptr<PartitionFilesystem> pfs;
-    // Map title id -> {map type -> NCA}
-    std::map<u64, std::map<ContentRecordType, std::shared_ptr<NCA>>> ncas;
-    std::vector<VirtualFile> ticket_files;
-
-    VirtualFile romfs;
-    VirtualDir exefs;
-};
-} // namespace FileSys

src/core/file_sys/vfs_real.cpp

@@ -8,7 +8,6 @@
 #include <utility>
 #include "common/assert.h"
 #include "common/common_paths.h"
-#include "common/file_util.h"
 #include "common/logging/log.h"
 #include "core/file_sys/vfs_real.h"
 
@@ -40,7 +39,6 @@ static std::string ModeFlagsToString(Mode mode) {
 }
 
 RealVfsFilesystem::RealVfsFilesystem() : VfsFilesystem(nullptr) {}
-RealVfsFilesystem::~RealVfsFilesystem() = default;
 
 std::string RealVfsFilesystem::GetName() const {
     return "Real";
@@ -221,8 +219,6 @@ RealVfsFile::RealVfsFile(RealVfsFilesystem& base_, std::shared_ptr<FileUtil::IOF
       parent_components(FileUtil::SliceVector(path_components, 0, path_components.size() - 1)),
       perms(perms_) {}
 
-RealVfsFile::~RealVfsFile() = default;
-
 std::string RealVfsFile::GetName() const {
     return path_components.back();
 }
@@ -316,8 +312,6 @@ RealVfsDirectory::RealVfsDirectory(RealVfsFilesystem& base_, const std::string&
         FileUtil::CreateDir(path);
 }
 
-RealVfsDirectory::~RealVfsDirectory() = default;
-
 std::shared_ptr<VfsFile> RealVfsDirectory::GetFileRelative(std::string_view path) const {
     const auto full_path = FileUtil::SanitizePath(this->path + DIR_SEP + std::string(path));
     if (!FileUtil::Exists(full_path) || FileUtil::IsDirectory(full_path))

src/core/file_sys/vfs_real.h

@@ -6,19 +6,15 @@
 
 #include <string_view>
 #include <boost/container/flat_map.hpp>
+#include "common/file_util.h"
 #include "core/file_sys/mode.h"
 #include "core/file_sys/vfs.h"
 
-namespace FileUtil {
-class IOFile;
-}
-
 namespace FileSys {
 
 class RealVfsFilesystem : public VfsFilesystem {
 public:
     RealVfsFilesystem();
-    ~RealVfsFilesystem() override;
 
     std::string GetName() const override;
     bool IsReadable() const override;
@@ -44,9 +40,10 @@ class RealVfsFile : public VfsFile {
     friend class RealVfsDirectory;
     friend class RealVfsFilesystem;
 
-public:
-    ~RealVfsFile() override;
+    RealVfsFile(RealVfsFilesystem& base, std::shared_ptr<FileUtil::IOFile> backing,
+                const std::string& path, Mode perms = Mode::Read);
 
+public:
     std::string GetName() const override;
     size_t GetSize() const override;
     bool Resize(size_t new_size) override;
@@ -58,9 +55,6 @@ public:
     bool Rename(std::string_view name) override;
 
 private:
-    RealVfsFile(RealVfsFilesystem& base, std::shared_ptr<FileUtil::IOFile> backing,
-                const std::string& path, Mode perms = Mode::Read);
-
     bool Close();
 
     RealVfsFilesystem& base;
@@ -76,9 +70,9 @@ private:
 class RealVfsDirectory : public VfsDirectory {
     friend class RealVfsFilesystem;
 
-public:
-    ~RealVfsDirectory() override;
+    RealVfsDirectory(RealVfsFilesystem& base, const std::string& path, Mode perms = Mode::Read);
 
+public:
     std::shared_ptr<VfsFile> GetFileRelative(std::string_view path) const override;
     std::shared_ptr<VfsDirectory> GetDirectoryRelative(std::string_view path) const override;
     std::shared_ptr<VfsFile> GetFile(std::string_view name) const override;
@@ -103,8 +97,6 @@ protected:
     bool ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) override;
 
 private:
-    RealVfsDirectory(RealVfsFilesystem& base, const std::string& path, Mode perms = Mode::Read);
-
     template <typename T, typename R>
     std::vector<std::shared_ptr<R>> IterateEntries() const;
 

src/core/file_sys/xts_archive.cpp

@@ -10,7 +10,6 @@
 #include <mbedtls/md.h>
 #include <mbedtls/sha256.h>
 #include "common/assert.h"
-#include "common/file_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
 #include "core/crypto/aes_util.h"

src/core/hle/ipc_helpers.h

@@ -12,7 +12,6 @@
 #include <utility>
 #include "common/assert.h"
 #include "common/common_types.h"
-#include "core/core.h"
 #include "core/hle/ipc.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
@@ -136,9 +135,7 @@ public:
         if (context->Session()->IsDomain()) {
             context->AddDomainObject(std::move(iface));
         } else {
-            auto& kernel = Core::System::GetInstance().Kernel();
-            auto sessions =
-                Kernel::ServerSession::CreateSessionPair(kernel, iface->GetServiceName());
+            auto sessions = Kernel::ServerSession::CreateSessionPair(iface->GetServiceName());
             auto server = std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions);
             auto client = std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions);
             iface->ClientConnected(server);

src/core/hle/kernel/address_arbiter.cpp

@@ -8,11 +8,9 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/result.h"
 #include "core/memory.h"

src/core/hle/kernel/client_port.cpp

@@ -14,7 +14,7 @@
 
 namespace Kernel {
 
-ClientPort::ClientPort(KernelCore& kernel) : Object{kernel} {}
+ClientPort::ClientPort() = default;
 ClientPort::~ClientPort() = default;
 
 ResultVal<SharedPtr<ClientSession>> ClientPort::Connect() {
@@ -27,7 +27,7 @@ ResultVal<SharedPtr<ClientSession>> ClientPort::Connect() {
     active_sessions++;
 
     // Create a new session pair, let the created sessions inherit the parent port's HLE handler.
-    auto sessions = ServerSession::CreateSessionPair(kernel, server_port->GetName(), this);
+    auto sessions = ServerSession::CreateSessionPair(server_port->GetName(), this);
 
     if (server_port->hle_handler)
         server_port->hle_handler->ClientConnected(std::get<SharedPtr<ServerSession>>(sessions));

src/core/hle/kernel/client_port.h

@@ -11,9 +11,8 @@
 
 namespace Kernel {
 
-class ClientSession;
-class KernelCore;
 class ServerPort;
+class ClientSession;
 
 class ClientPort final : public Object {
 public:
@@ -45,7 +44,7 @@ public:
     void ConnectionClosed();
 
 private:
-    explicit ClientPort(KernelCore& kernel);
+    ClientPort();
     ~ClientPort() override;
 
     SharedPtr<ServerPort> server_port; ///< ServerPort associated with this client port.

src/core/hle/kernel/client_session.cpp

@@ -11,7 +11,7 @@
 
 namespace Kernel {
 
-ClientSession::ClientSession(KernelCore& kernel) : Object{kernel} {}
+ClientSession::ClientSession() = default;
 ClientSession::~ClientSession() {
     // This destructor will be called automatically when the last ClientSession handle is closed by
     // the emulated application.

src/core/hle/kernel/client_session.h

@@ -12,9 +12,8 @@
 
 namespace Kernel {
 
-class KernelCore;
-class Session;
 class ServerSession;
+class Session;
 class Thread;
 
 class ClientSession final : public Object {
@@ -42,7 +41,7 @@ public:
     std::shared_ptr<Session> parent;
 
 private:
-    explicit ClientSession(KernelCore& kernel);
+    ClientSession();
     ~ClientSession() override;
 };
 

src/core/hle/kernel/event.cpp

@@ -10,11 +10,11 @@
 
 namespace Kernel {
 
-Event::Event(KernelCore& kernel) : WaitObject{kernel} {}
-Event::~Event() = default;
+Event::Event() {}
+Event::~Event() {}
 
-SharedPtr<Event> Event::Create(KernelCore& kernel, ResetType reset_type, std::string name) {
-    SharedPtr<Event> evt(new Event(kernel));
+SharedPtr<Event> Event::Create(ResetType reset_type, std::string name) {
+    SharedPtr<Event> evt(new Event);
 
     evt->signaled = false;
     evt->reset_type = reset_type;

src/core/hle/kernel/event.h

@@ -10,18 +10,14 @@
 
 namespace Kernel {
 
-class KernelCore;
-
 class Event final : public WaitObject {
 public:
     /**
      * Creates an event
-     * @param kernel The kernel instance to create this event under.
      * @param reset_type ResetType describing how to create event
      * @param name Optional name of event
      */
-    static SharedPtr<Event> Create(KernelCore& kernel, ResetType reset_type,
-                                   std::string name = "Unknown");
+    static SharedPtr<Event> Create(ResetType reset_type, std::string name = "Unknown");
 
     std::string GetTypeName() const override {
         return "Event";
@@ -48,7 +44,7 @@ public:
     void Clear();
 
 private:
-    explicit Event(KernelCore& kernel);
+    Event();
     ~Event() override;
 
     ResetType reset_type; ///< Current ResetType

src/core/hle/kernel/handle_table.cpp

@@ -13,6 +13,8 @@
 
 namespace Kernel {
 
+HandleTable g_handle_table;
+
 HandleTable::HandleTable() {
     next_generation = 1;
     Clear();

src/core/hle/kernel/handle_table.h

@@ -121,4 +121,6 @@ private:
     u16 next_free_slot;
 };
 
+extern HandleTable g_handle_table;
+
 } // namespace Kernel

src/core/hle/kernel/hle_ipc.cpp

@@ -13,12 +13,10 @@
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
-#include "core/core.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/hle_ipc.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/server_session.h"
@@ -53,9 +51,7 @@ SharedPtr<Event> HLERequestContext::SleepClientThread(SharedPtr<Thread> thread,
 
     if (!event) {
         // Create event if not provided
-        auto& kernel = Core::System::GetInstance().Kernel();
-        event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
+        event = Kernel::Event::Create(Kernel::ResetType::OneShot, "HLE Pause Event: " + reason);
     }
 
     event->Clear();
@@ -94,14 +90,12 @@ void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) {
             rp.Skip(2, false);
         }
         if (incoming) {
-            auto& handle_table = Core::System::GetInstance().Kernel().HandleTable();
-
             // Populate the object lists with the data in the IPC request.
             for (u32 handle = 0; handle < handle_descriptor_header->num_handles_to_copy; ++handle) {
-                copy_objects.push_back(handle_table.GetGeneric(rp.Pop<Handle>()));
+                copy_objects.push_back(Kernel::g_handle_table.GetGeneric(rp.Pop<Handle>()));
             }
             for (u32 handle = 0; handle < handle_descriptor_header->num_handles_to_move; ++handle) {
-                move_objects.push_back(handle_table.GetGeneric(rp.Pop<Handle>()));
+                move_objects.push_back(Kernel::g_handle_table.GetGeneric(rp.Pop<Handle>()));
             }
         } else {
             // For responses we just ignore the handles, they're empty and will be populated when
@@ -236,19 +230,17 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(const Thread& thread)
         ASSERT(copy_objects.size() == handle_descriptor_header->num_handles_to_copy);
         ASSERT(move_objects.size() == handle_descriptor_header->num_handles_to_move);
 
-        auto& handle_table = Core::System::GetInstance().Kernel().HandleTable();
-
         // We don't make a distinction between copy and move handles when translating since HLE
         // services don't deal with handles directly. However, the guest applications might check
         // for specific values in each of these descriptors.
         for (auto& object : copy_objects) {
             ASSERT(object != nullptr);
-            dst_cmdbuf[current_offset++] = handle_table.Create(object).Unwrap();
+            dst_cmdbuf[current_offset++] = Kernel::g_handle_table.Create(object).Unwrap();
         }
 
         for (auto& object : move_objects) {
             ASSERT(object != nullptr);
-            dst_cmdbuf[current_offset++] = handle_table.Create(object).Unwrap();
+            dst_cmdbuf[current_offset++] = Kernel::g_handle_table.Create(object).Unwrap();
         }
     }
 

src/core/hle/kernel/kernel.cpp

@@ -2,329 +2,38 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <array>
-#include <atomic>
-#include <memory>
-#include <mutex>
-#include <utility>
-
-#include "common/assert.h"
-#include "common/logging/log.h"
-
-#include "core/core.h"
-#include "core/core_timing.h"
-#include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/timer.h"
-#include "core/hle/lock.h"
-#include "core/hle/result.h"
 
 namespace Kernel {
 
-/**
- * Callback that will wake up the thread it was scheduled for
- * @param thread_handle The handle of the thread that's been awoken
- * @param cycles_late The number of CPU cycles that have passed since the desired wakeup time
- */
-static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] int cycles_late) {
-    const auto proper_handle = static_cast<Handle>(thread_handle);
-    auto& system = Core::System::GetInstance();
+std::atomic<u32> Object::next_object_id{0};
 
-    // Lock the global kernel mutex when we enter the kernel HLE.
-    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
+/// Initialize the kernel
+void Init() {
+    Kernel::ResourceLimitsInit();
+    Kernel::ThreadingInit();
+    Kernel::TimersInit();
 
-    SharedPtr<Thread> thread =
-        system.Kernel().RetrieveThreadFromWakeupCallbackHandleTable(proper_handle);
-    if (thread == nullptr) {
-        LOG_CRITICAL(Kernel, "Callback fired for invalid thread {:08X}", proper_handle);
-        return;
-    }
-
-    bool resume = true;
-
-    if (thread->status == ThreadStatus::WaitSynchAny ||
-        thread->status == ThreadStatus::WaitSynchAll ||
-        thread->status == ThreadStatus::WaitHLEEvent) {
-        // Remove the thread from each of its waiting objects' waitlists
-        for (auto& object : thread->wait_objects) {
-            object->RemoveWaitingThread(thread.get());
-        }
-        thread->wait_objects.clear();
-
-        // Invoke the wakeup callback before clearing the wait objects
-        if (thread->wakeup_callback) {
-            resume = thread->wakeup_callback(ThreadWakeupReason::Timeout, thread, nullptr, 0);
-        }
-    }
-
-    if (thread->mutex_wait_address != 0 || thread->condvar_wait_address != 0 ||
-        thread->wait_handle) {
-        ASSERT(thread->status == ThreadStatus::WaitMutex);
-        thread->mutex_wait_address = 0;
-        thread->condvar_wait_address = 0;
-        thread->wait_handle = 0;
-
-        auto lock_owner = thread->lock_owner;
-        // Threads waking up by timeout from WaitProcessWideKey do not perform priority inheritance
-        // and don't have a lock owner unless SignalProcessWideKey was called first and the thread
-        // wasn't awakened due to the mutex already being acquired.
-        if (lock_owner) {
-            lock_owner->RemoveMutexWaiter(thread);
-        }
-    }
-
-    if (thread->arb_wait_address != 0) {
-        ASSERT(thread->status == ThreadStatus::WaitArb);
-        thread->arb_wait_address = 0;
-    }
-
-    if (resume) {
-        thread->ResumeFromWait();
-    }
-}
-
-/// The timer callback event, called when a timer is fired
-static void TimerCallback(u64 timer_handle, int cycles_late) {
-    const auto proper_handle = static_cast<Handle>(timer_handle);
-    auto& system = Core::System::GetInstance();
-    SharedPtr<Timer> timer = system.Kernel().RetrieveTimerFromCallbackHandleTable(proper_handle);
-
-    if (timer == nullptr) {
-        LOG_CRITICAL(Kernel, "Callback fired for invalid timer {:016X}", timer_handle);
-        return;
-    }
-
-    timer->Signal(cycles_late);
-}
-
-struct KernelCore::Impl {
-    void Initialize(KernelCore& kernel) {
-        Shutdown();
-
-        InitializeResourceLimits(kernel);
-        InitializeThreads();
-        InitializeTimers();
-    }
-
-    void Shutdown() {
-        next_object_id = 0;
-        next_process_id = 10;
-        next_thread_id = 1;
-
-        process_list.clear();
-        current_process.reset();
-
-        handle_table.Clear();
-        resource_limits.fill(nullptr);
-
-        thread_wakeup_callback_handle_table.Clear();
-        thread_wakeup_event_type = nullptr;
-
-        timer_callback_handle_table.Clear();
-        timer_callback_event_type = nullptr;
-
-        named_ports.clear();
-    }
-
-    void InitializeResourceLimits(KernelCore& kernel) {
-        // Create the four resource limits that the system uses
-        // Create the APPLICATION resource limit
-        SharedPtr<ResourceLimit> resource_limit = ResourceLimit::Create(kernel, "Applications");
-        resource_limit->max_priority = 0x18;
-        resource_limit->max_commit = 0x4000000;
-        resource_limit->max_threads = 0x20;
-        resource_limit->max_events = 0x20;
-        resource_limit->max_mutexes = 0x20;
-        resource_limit->max_semaphores = 0x8;
-        resource_limit->max_timers = 0x8;
-        resource_limit->max_shared_mems = 0x10;
-        resource_limit->max_address_arbiters = 0x2;
-        resource_limit->max_cpu_time = 0x1E;
-        resource_limits[static_cast<u8>(ResourceLimitCategory::APPLICATION)] = resource_limit;
-
-        // Create the SYS_APPLET resource limit
-        resource_limit = ResourceLimit::Create(kernel, "System Applets");
-        resource_limit->max_priority = 0x4;
-        resource_limit->max_commit = 0x5E00000;
-        resource_limit->max_threads = 0x1D;
-        resource_limit->max_events = 0xB;
-        resource_limit->max_mutexes = 0x8;
-        resource_limit->max_semaphores = 0x4;
-        resource_limit->max_timers = 0x4;
-        resource_limit->max_shared_mems = 0x8;
-        resource_limit->max_address_arbiters = 0x3;
-        resource_limit->max_cpu_time = 0x2710;
-        resource_limits[static_cast<u8>(ResourceLimitCategory::SYS_APPLET)] = resource_limit;
-
-        // Create the LIB_APPLET resource limit
-        resource_limit = ResourceLimit::Create(kernel, "Library Applets");
-        resource_limit->max_priority = 0x4;
-        resource_limit->max_commit = 0x600000;
-        resource_limit->max_threads = 0xE;
-        resource_limit->max_events = 0x8;
-        resource_limit->max_mutexes = 0x8;
-        resource_limit->max_semaphores = 0x4;
-        resource_limit->max_timers = 0x4;
-        resource_limit->max_shared_mems = 0x8;
-        resource_limit->max_address_arbiters = 0x1;
-        resource_limit->max_cpu_time = 0x2710;
-        resource_limits[static_cast<u8>(ResourceLimitCategory::LIB_APPLET)] = resource_limit;
-
-        // Create the OTHER resource limit
-        resource_limit = ResourceLimit::Create(kernel, "Others");
-        resource_limit->max_priority = 0x4;
-        resource_limit->max_commit = 0x2180000;
-        resource_limit->max_threads = 0xE1;
-        resource_limit->max_events = 0x108;
-        resource_limit->max_mutexes = 0x25;
-        resource_limit->max_semaphores = 0x43;
-        resource_limit->max_timers = 0x2C;
-        resource_limit->max_shared_mems = 0x1F;
-        resource_limit->max_address_arbiters = 0x2D;
-        resource_limit->max_cpu_time = 0x3E8;
-        resource_limits[static_cast<u8>(ResourceLimitCategory::OTHER)] = resource_limit;
-    }
-
-    void InitializeThreads() {
-        thread_wakeup_event_type =
-            CoreTiming::RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback);
-    }
-
-    void InitializeTimers() {
-        timer_callback_handle_table.Clear();
-        timer_callback_event_type = CoreTiming::RegisterEvent("TimerCallback", TimerCallback);
-    }
-
-    std::atomic<u32> next_object_id{0};
+    Object::next_object_id = 0;
     // TODO(Subv): Start the process ids from 10 for now, as lower PIDs are
     // reserved for low-level services
-    std::atomic<u32> next_process_id{10};
-    std::atomic<u32> next_thread_id{1};
-
-    // Lists all processes that exist in the current session.
-    std::vector<SharedPtr<Process>> process_list;
-    SharedPtr<Process> current_process;
-
-    Kernel::HandleTable handle_table;
-    std::array<SharedPtr<ResourceLimit>, 4> resource_limits;
-
-    /// The event type of the generic timer callback event
-    CoreTiming::EventType* timer_callback_event_type = nullptr;
-    // TODO(yuriks): This can be removed if Timer objects are explicitly pooled in the future,
-    // allowing us to simply use a pool index or similar.
-    Kernel::HandleTable timer_callback_handle_table;
-
-    CoreTiming::EventType* thread_wakeup_event_type = nullptr;
-    // TODO(yuriks): This can be removed if Thread objects are explicitly pooled in the future,
-    // allowing us to simply use a pool index or similar.
-    Kernel::HandleTable thread_wakeup_callback_handle_table;
-
-    /// Map of named ports managed by the kernel, which can be retrieved using
-    /// the ConnectToPort SVC.
-    NamedPortTable named_ports;
-};
-
-KernelCore::KernelCore() : impl{std::make_unique<Impl>()} {}
-KernelCore::~KernelCore() {
-    Shutdown();
+    Process::next_process_id = 10;
 }
 
-void KernelCore::Initialize() {
-    impl->Initialize(*this);
-}
+/// Shutdown the kernel
+void Shutdown() {
+    // Free all kernel objects
+    g_handle_table.Clear();
 
-void KernelCore::Shutdown() {
-    impl->Shutdown();
-}
+    Kernel::ThreadingShutdown();
 
-Kernel::HandleTable& KernelCore::HandleTable() {
-    return impl->handle_table;
-}
-
-const Kernel::HandleTable& KernelCore::HandleTable() const {
-    return impl->handle_table;
-}
-
-SharedPtr<ResourceLimit> KernelCore::ResourceLimitForCategory(
-    ResourceLimitCategory category) const {
-    return impl->resource_limits.at(static_cast<std::size_t>(category));
-}
-
-SharedPtr<Thread> KernelCore::RetrieveThreadFromWakeupCallbackHandleTable(Handle handle) const {
-    return impl->thread_wakeup_callback_handle_table.Get<Thread>(handle);
-}
-
-SharedPtr<Timer> KernelCore::RetrieveTimerFromCallbackHandleTable(Handle handle) const {
-    return impl->timer_callback_handle_table.Get<Timer>(handle);
-}
-
-void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
-    impl->process_list.push_back(std::move(process));
-}
-
-void KernelCore::MakeCurrentProcess(SharedPtr<Process> process) {
-    impl->current_process = std::move(process);
-}
-
-SharedPtr<Process>& KernelCore::CurrentProcess() {
-    return impl->current_process;
-}
-
-const SharedPtr<Process>& KernelCore::CurrentProcess() const {
-    return impl->current_process;
-}
-
-void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
-    impl->named_ports.emplace(std::move(name), std::move(port));
-}
-
-KernelCore::NamedPortTable::iterator KernelCore::FindNamedPort(const std::string& name) {
-    return impl->named_ports.find(name);
-}
-
-KernelCore::NamedPortTable::const_iterator KernelCore::FindNamedPort(
-    const std::string& name) const {
-    return impl->named_ports.find(name);
-}
-
-bool KernelCore::IsValidNamedPort(NamedPortTable::const_iterator port) const {
-    return port != impl->named_ports.cend();
-}
-
-u32 KernelCore::CreateNewObjectID() {
-    return impl->next_object_id++;
-}
-
-u32 KernelCore::CreateNewThreadID() {
-    return impl->next_thread_id++;
-}
-
-u32 KernelCore::CreateNewProcessID() {
-    return impl->next_process_id++;
-}
-
-ResultVal<Handle> KernelCore::CreateTimerCallbackHandle(const SharedPtr<Timer>& timer) {
-    return impl->timer_callback_handle_table.Create(timer);
-}
-
-CoreTiming::EventType* KernelCore::ThreadWakeupCallbackEventType() const {
-    return impl->thread_wakeup_event_type;
-}
-
-CoreTiming::EventType* KernelCore::TimerCallbackEventType() const {
-    return impl->timer_callback_event_type;
-}
-
-Kernel::HandleTable& KernelCore::ThreadWakeupCallbackHandleTable() {
-    return impl->thread_wakeup_callback_handle_table;
-}
-
-const Kernel::HandleTable& KernelCore::ThreadWakeupCallbackHandleTable() const {
-    return impl->thread_wakeup_callback_handle_table;
+    Kernel::TimersShutdown();
+    Kernel::ResourceLimitsShutdown();
 }
 
 } // namespace Kernel

src/core/hle/kernel/kernel.h

@@ -4,120 +4,14 @@
 
 #pragma once
 
-#include <string>
-#include <unordered_map>
-#include "core/hle/kernel/object.h"
-
-template <typename T>
-class ResultVal;
-
-namespace CoreTiming {
-struct EventType;
-}
+#include "common/common_types.h"
 
 namespace Kernel {
 
-class ClientPort;
-class HandleTable;
-class Process;
-class ResourceLimit;
-class Thread;
-class Timer;
+/// Initialize the kernel with the specified system mode.
+void Init();
 
-enum class ResourceLimitCategory : u8;
-
-/// Represents a single instance of the kernel.
-class KernelCore {
-private:
-    using NamedPortTable = std::unordered_map<std::string, SharedPtr<ClientPort>>;
-
-public:
-    KernelCore();
-    ~KernelCore();
-
-    KernelCore(const KernelCore&) = delete;
-    KernelCore& operator=(const KernelCore&) = delete;
-
-    KernelCore(KernelCore&&) = delete;
-    KernelCore& operator=(KernelCore&&) = delete;
-
-    /// Resets the kernel to a clean slate for use.
-    void Initialize();
-
-    /// Clears all resources in use by the kernel instance.
-    void Shutdown();
-
-    /// Provides a reference to the handle table.
-    Kernel::HandleTable& HandleTable();
-
-    /// Provides a const reference to the handle table.
-    const Kernel::HandleTable& HandleTable() const;
-
-    /// Retrieves a shared pointer to a ResourceLimit identified by the given category.
-    SharedPtr<ResourceLimit> ResourceLimitForCategory(ResourceLimitCategory category) const;
-
-    /// Retrieves a shared pointer to a Thread instance within the thread wakeup handle table.
-    SharedPtr<Thread> RetrieveThreadFromWakeupCallbackHandleTable(Handle handle) const;
-
-    /// Retrieves a shared pointer to a Timer instance within the timer callback handle table.
-    SharedPtr<Timer> RetrieveTimerFromCallbackHandleTable(Handle handle) const;
-
-    /// Adds the given shared pointer to an internal list of active processes.
-    void AppendNewProcess(SharedPtr<Process> process);
-
-    /// Makes the given process the new current process.
-    void MakeCurrentProcess(SharedPtr<Process> process);
-
-    /// Retrieves a reference to the current process.
-    SharedPtr<Process>& CurrentProcess();
-
-    /// Retrieves a const reference to the current process.
-    const SharedPtr<Process>& CurrentProcess() const;
-
-    /// Adds a port to the named port table
-    void AddNamedPort(std::string name, SharedPtr<ClientPort> port);
-
-    /// Finds a port within the named port table with the given name.
-    NamedPortTable::iterator FindNamedPort(const std::string& name);
-
-    /// Finds a port within the named port table with the given name.
-    NamedPortTable::const_iterator FindNamedPort(const std::string& name) const;
-
-    /// Determines whether or not the given port is a valid named port.
-    bool IsValidNamedPort(NamedPortTable::const_iterator port) const;
-
-private:
-    friend class Object;
-    friend class Process;
-    friend class Thread;
-    friend class Timer;
-
-    /// Creates a new object ID, incrementing the internal object ID counter.
-    u32 CreateNewObjectID();
-
-    /// Creates a new process ID, incrementing the internal process ID counter;
-    u32 CreateNewProcessID();
-
-    /// Creates a new thread ID, incrementing the internal thread ID counter.
-    u32 CreateNewThreadID();
-
-    /// Creates a timer callback handle for the given timer.
-    ResultVal<Handle> CreateTimerCallbackHandle(const SharedPtr<Timer>& timer);
-
-    /// Retrieves the event type used for thread wakeup callbacks.
-    CoreTiming::EventType* ThreadWakeupCallbackEventType() const;
-
-    /// Retrieves the event type used for timer callbacks.
-    CoreTiming::EventType* TimerCallbackEventType() const;
-
-    /// Provides a reference to the thread wakeup callback handle table.
-    Kernel::HandleTable& ThreadWakeupCallbackHandleTable();
-
-    /// Provides a const reference to the thread wakeup callback handle table.
-    const Kernel::HandleTable& ThreadWakeupCallbackHandleTable() const;
-
-    struct Impl;
-    std::unique_ptr<Impl> impl;
-};
+/// Shutdown the kernel
+void Shutdown();
 
 } // namespace Kernel

src/core/hle/kernel/mutex.cpp

@@ -58,15 +58,15 @@ static void TransferMutexOwnership(VAddr mutex_addr, SharedPtr<Thread> current_t
     }
 }
 
-ResultCode Mutex::TryAcquire(HandleTable& handle_table, VAddr address, Handle holding_thread_handle,
+ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
                              Handle requesting_thread_handle) {
     // The mutex address must be 4-byte aligned
     if ((address % sizeof(u32)) != 0) {
         return ResultCode(ErrorModule::Kernel, ErrCodes::InvalidAddress);
     }
 
-    SharedPtr<Thread> holding_thread = handle_table.Get<Thread>(holding_thread_handle);
-    SharedPtr<Thread> requesting_thread = handle_table.Get<Thread>(requesting_thread_handle);
+    SharedPtr<Thread> holding_thread = g_handle_table.Get<Thread>(holding_thread_handle);
+    SharedPtr<Thread> requesting_thread = g_handle_table.Get<Thread>(requesting_thread_handle);
 
     // TODO(Subv): It is currently unknown if it is possible to lock a mutex in behalf of another
     // thread.

src/core/hle/kernel/mutex.h

@@ -11,7 +11,6 @@ union ResultCode;
 
 namespace Kernel {
 
-class HandleTable;
 class Thread;
 
 class Mutex final {
@@ -22,8 +21,8 @@ public:
     static constexpr u32 MutexOwnerMask = 0xBFFFFFFF;
 
     /// Attempts to acquire a mutex at the specified address.
-    static ResultCode TryAcquire(HandleTable& handle_table, VAddr address,
-                                 Handle holding_thread_handle, Handle requesting_thread_handle);
+    static ResultCode TryAcquire(VAddr address, Handle holding_thread_handle,
+                                 Handle requesting_thread_handle);
 
     /// Releases the mutex at the specified address.
     static ResultCode Release(VAddr address);

src/core/hle/kernel/object.cpp

@@ -3,12 +3,10 @@
 // Refer to the license.txt file included.
 
 #include "common/assert.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 
 namespace Kernel {
 
-Object::Object(KernelCore& kernel) : kernel{kernel}, object_id{kernel.CreateNewObjectID()} {}
 Object::~Object() = default;
 
 bool Object::IsWaitable() const {

src/core/hle/kernel/object.h

@@ -14,8 +14,6 @@
 
 namespace Kernel {
 
-class KernelCore;
-
 using Handle = u32;
 
 enum class HandleType : u32 {
@@ -42,7 +40,6 @@ enum class ResetType {
 
 class Object : NonCopyable {
 public:
-    explicit Object(KernelCore& kernel);
     virtual ~Object();
 
     /// Returns a unique identifier for the object. For debugging purposes only.
@@ -64,16 +61,15 @@ public:
      */
     bool IsWaitable() const;
 
-protected:
-    /// The kernel instance this object was created under.
-    KernelCore& kernel;
+public:
+    static std::atomic<u32> next_object_id;
 
 private:
     friend void intrusive_ptr_add_ref(Object*);
     friend void intrusive_ptr_release(Object*);
 
     std::atomic<u32> ref_count{0};
-    std::atomic<u32> object_id{0};
+    std::atomic<u32> object_id{next_object_id++};
 };
 
 // Special functions used by boost::instrusive_ptr to do automatic ref-counting

src/core/hle/kernel/process.cpp

@@ -8,7 +8,6 @@
 #include "common/common_funcs.h"
 #include "common/logging/log.h"
 #include "core/hle/kernel/errors.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
 #include "core/hle/kernel/thread.h"
@@ -17,26 +16,30 @@
 
 namespace Kernel {
 
-SharedPtr<CodeSet> CodeSet::Create(KernelCore& kernel, std::string name) {
-    SharedPtr<CodeSet> codeset(new CodeSet(kernel));
+// Lists all processes that exist in the current session.
+static std::vector<SharedPtr<Process>> process_list;
+
+SharedPtr<CodeSet> CodeSet::Create(std::string name) {
+    SharedPtr<CodeSet> codeset(new CodeSet);
     codeset->name = std::move(name);
     return codeset;
 }
 
-CodeSet::CodeSet(KernelCore& kernel) : Object{kernel} {}
-CodeSet::~CodeSet() = default;
+CodeSet::CodeSet() {}
+CodeSet::~CodeSet() {}
 
-SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) {
-    SharedPtr<Process> process(new Process(kernel));
+u32 Process::next_process_id;
+
+SharedPtr<Process> Process::Create(std::string&& name) {
+    SharedPtr<Process> process(new Process);
 
     process->name = std::move(name);
     process->flags.raw = 0;
     process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
     process->status = ProcessStatus::Created;
     process->program_id = 0;
-    process->process_id = kernel.CreateNewProcessID();
 
-    kernel.AppendNewProcess(process);
+    process_list.push_back(process);
     return process;
 }
 
@@ -125,7 +128,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
     vm_manager.LogLayout();
     status = ProcessStatus::Running;
 
-    Kernel::SetupMainThread(kernel, entry_point, main_thread_priority, this);
+    Kernel::SetupMainThread(entry_point, main_thread_priority, this);
 }
 
 void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
@@ -228,7 +231,22 @@ ResultCode Process::UnmapMemory(VAddr dst_addr, VAddr /*src_addr*/, u64 size) {
     return vm_manager.UnmapRange(dst_addr, size);
 }
 
-Kernel::Process::Process(KernelCore& kernel) : Object{kernel} {}
+Kernel::Process::Process() {}
 Kernel::Process::~Process() {}
 
+void ClearProcessList() {
+    process_list.clear();
+}
+
+SharedPtr<Process> GetProcessById(u32 process_id) {
+    auto itr = std::find_if(
+        process_list.begin(), process_list.end(),
+        [&](const SharedPtr<Process>& process) { return process->process_id == process_id; });
+
+    if (itr == process_list.end())
+        return nullptr;
+
+    return *itr;
+}
+
 } // namespace Kernel

src/core/hle/kernel/process.h

@@ -19,8 +19,6 @@
 
 namespace Kernel {
 
-class KernelCore;
-
 struct AddressMapping {
     // Address and size must be page-aligned
     VAddr address;
@@ -64,7 +62,7 @@ struct CodeSet final : public Object {
         u32 size = 0;
     };
 
-    static SharedPtr<CodeSet> Create(KernelCore& kernel, std::string name);
+    static SharedPtr<CodeSet> Create(std::string name);
 
     std::string GetTypeName() const override {
         return "CodeSet";
@@ -111,13 +109,13 @@ struct CodeSet final : public Object {
     std::string name;
 
 private:
-    explicit CodeSet(KernelCore& kernel);
+    CodeSet();
     ~CodeSet() override;
 };
 
 class Process final : public Object {
 public:
-    static SharedPtr<Process> Create(KernelCore& kernel, std::string&& name);
+    static SharedPtr<Process> Create(std::string&& name);
 
     std::string GetTypeName() const override {
         return "Process";
@@ -131,6 +129,8 @@ public:
         return HANDLE_TYPE;
     }
 
+    static u32 next_process_id;
+
     /// Title ID corresponding to the process
     u64 program_id;
 
@@ -157,8 +157,8 @@ public:
     /// Current status of the process
     ProcessStatus status;
 
-    /// The ID of this process
-    u32 process_id = 0;
+    /// The id of this process
+    u32 process_id = next_process_id++;
 
     /**
      * Parses a list of kernel capability descriptors (as found in the ExHeader) and applies them
@@ -206,8 +206,13 @@ public:
     ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size);
 
 private:
-    explicit Process(KernelCore& kernel);
+    Process();
     ~Process() override;
 };
 
+void ClearProcessList();
+
+/// Retrieves a process from the current list of processes.
+SharedPtr<Process> GetProcessById(u32 process_id);
+
 } // namespace Kernel

src/core/hle/kernel/resource_limit.cpp

@@ -9,16 +9,31 @@
 
 namespace Kernel {
 
-ResourceLimit::ResourceLimit(KernelCore& kernel) : Object{kernel} {}
-ResourceLimit::~ResourceLimit() = default;
+static SharedPtr<ResourceLimit> resource_limits[4];
 
-SharedPtr<ResourceLimit> ResourceLimit::Create(KernelCore& kernel, std::string name) {
-    SharedPtr<ResourceLimit> resource_limit(new ResourceLimit(kernel));
+ResourceLimit::ResourceLimit() {}
+ResourceLimit::~ResourceLimit() {}
+
+SharedPtr<ResourceLimit> ResourceLimit::Create(std::string name) {
+    SharedPtr<ResourceLimit> resource_limit(new ResourceLimit);
 
     resource_limit->name = std::move(name);
     return resource_limit;
 }
 
+SharedPtr<ResourceLimit> ResourceLimit::GetForCategory(ResourceLimitCategory category) {
+    switch (category) {
+    case ResourceLimitCategory::APPLICATION:
+    case ResourceLimitCategory::SYS_APPLET:
+    case ResourceLimitCategory::LIB_APPLET:
+    case ResourceLimitCategory::OTHER:
+        return resource_limits[static_cast<u8>(category)];
+    default:
+        LOG_CRITICAL(Kernel, "Unknown resource limit category");
+        UNREACHABLE();
+    }
+}
+
 s32 ResourceLimit::GetCurrentResourceValue(ResourceType resource) const {
     switch (resource) {
     case ResourceType::Commit:
@@ -74,4 +89,66 @@ u32 ResourceLimit::GetMaxResourceValue(ResourceType resource) const {
         return 0;
     }
 }
+
+void ResourceLimitsInit() {
+    // Create the four resource limits that the system uses
+    // Create the APPLICATION resource limit
+    SharedPtr<ResourceLimit> resource_limit = ResourceLimit::Create("Applications");
+    resource_limit->max_priority = 0x18;
+    resource_limit->max_commit = 0x4000000;
+    resource_limit->max_threads = 0x20;
+    resource_limit->max_events = 0x20;
+    resource_limit->max_mutexes = 0x20;
+    resource_limit->max_semaphores = 0x8;
+    resource_limit->max_timers = 0x8;
+    resource_limit->max_shared_mems = 0x10;
+    resource_limit->max_address_arbiters = 0x2;
+    resource_limit->max_cpu_time = 0x1E;
+    resource_limits[static_cast<u8>(ResourceLimitCategory::APPLICATION)] = resource_limit;
+
+    // Create the SYS_APPLET resource limit
+    resource_limit = ResourceLimit::Create("System Applets");
+    resource_limit->max_priority = 0x4;
+    resource_limit->max_commit = 0x5E00000;
+    resource_limit->max_threads = 0x1D;
+    resource_limit->max_events = 0xB;
+    resource_limit->max_mutexes = 0x8;
+    resource_limit->max_semaphores = 0x4;
+    resource_limit->max_timers = 0x4;
+    resource_limit->max_shared_mems = 0x8;
+    resource_limit->max_address_arbiters = 0x3;
+    resource_limit->max_cpu_time = 0x2710;
+    resource_limits[static_cast<u8>(ResourceLimitCategory::SYS_APPLET)] = resource_limit;
+
+    // Create the LIB_APPLET resource limit
+    resource_limit = ResourceLimit::Create("Library Applets");
+    resource_limit->max_priority = 0x4;
+    resource_limit->max_commit = 0x600000;
+    resource_limit->max_threads = 0xE;
+    resource_limit->max_events = 0x8;
+    resource_limit->max_mutexes = 0x8;
+    resource_limit->max_semaphores = 0x4;
+    resource_limit->max_timers = 0x4;
+    resource_limit->max_shared_mems = 0x8;
+    resource_limit->max_address_arbiters = 0x1;
+    resource_limit->max_cpu_time = 0x2710;
+    resource_limits[static_cast<u8>(ResourceLimitCategory::LIB_APPLET)] = resource_limit;
+
+    // Create the OTHER resource limit
+    resource_limit = ResourceLimit::Create("Others");
+    resource_limit->max_priority = 0x4;
+    resource_limit->max_commit = 0x2180000;
+    resource_limit->max_threads = 0xE1;
+    resource_limit->max_events = 0x108;
+    resource_limit->max_mutexes = 0x25;
+    resource_limit->max_semaphores = 0x43;
+    resource_limit->max_timers = 0x2C;
+    resource_limit->max_shared_mems = 0x1F;
+    resource_limit->max_address_arbiters = 0x2D;
+    resource_limit->max_cpu_time = 0x3E8;
+    resource_limits[static_cast<u8>(ResourceLimitCategory::OTHER)] = resource_limit;
+}
+
+void ResourceLimitsShutdown() {}
+
 } // namespace Kernel

src/core/hle/kernel/resource_limit.h

@@ -9,8 +9,6 @@
 
 namespace Kernel {
 
-class KernelCore;
-
 enum class ResourceLimitCategory : u8 {
     APPLICATION = 0,
     SYS_APPLET = 1,
@@ -36,7 +34,14 @@ public:
     /**
      * Creates a resource limit object.
      */
-    static SharedPtr<ResourceLimit> Create(KernelCore& kernel, std::string name = "Unknown");
+    static SharedPtr<ResourceLimit> Create(std::string name = "Unknown");
+
+    /**
+     * Retrieves the resource limit associated with the specified resource limit category.
+     * @param category The resource limit category
+     * @returns The resource limit associated with the category
+     */
+    static SharedPtr<ResourceLimit> GetForCategory(ResourceLimitCategory category);
 
     std::string GetTypeName() const override {
         return "ResourceLimit";
@@ -108,8 +113,14 @@ public:
     s32 current_cpu_time = 0;
 
 private:
-    explicit ResourceLimit(KernelCore& kernel);
+    ResourceLimit();
     ~ResourceLimit() override;
 };
 
+/// Initializes the resource limits
+void ResourceLimitsInit();
+
+// Destroys the resource limits
+void ResourceLimitsShutdown();
+
 } // namespace Kernel

src/core/hle/kernel/server_port.cpp

@@ -13,8 +13,8 @@
 
 namespace Kernel {
 
-ServerPort::ServerPort(KernelCore& kernel) : WaitObject{kernel} {}
-ServerPort::~ServerPort() = default;
+ServerPort::ServerPort() {}
+ServerPort::~ServerPort() {}
 
 ResultVal<SharedPtr<ServerSession>> ServerPort::Accept() {
     if (pending_sessions.empty()) {
@@ -36,10 +36,10 @@ void ServerPort::Acquire(Thread* thread) {
 }
 
 std::tuple<SharedPtr<ServerPort>, SharedPtr<ClientPort>> ServerPort::CreatePortPair(
-    KernelCore& kernel, u32 max_sessions, std::string name) {
+    u32 max_sessions, std::string name) {
 
-    SharedPtr<ServerPort> server_port(new ServerPort(kernel));
-    SharedPtr<ClientPort> client_port(new ClientPort(kernel));
+    SharedPtr<ServerPort> server_port(new ServerPort);
+    SharedPtr<ClientPort> client_port(new ClientPort);
 
     server_port->name = name + "_Server";
     client_port->name = name + "_Client";

src/core/hle/kernel/server_port.h

@@ -15,7 +15,6 @@
 namespace Kernel {
 
 class ClientPort;
-class KernelCore;
 class ServerSession;
 class SessionRequestHandler;
 
@@ -24,13 +23,12 @@ public:
     /**
      * Creates a pair of ServerPort and an associated ClientPort.
      *
-     * @param kernel The kernel instance to create the port pair under.
      * @param max_sessions Maximum number of sessions to the port
      * @param name Optional name of the ports
      * @return The created port tuple
      */
     static std::tuple<SharedPtr<ServerPort>, SharedPtr<ClientPort>> CreatePortPair(
-        KernelCore& kernel, u32 max_sessions, std::string name = "UnknownPort");
+        u32 max_sessions, std::string name = "UnknownPort");
 
     std::string GetTypeName() const override {
         return "ServerPort";
@@ -71,7 +69,7 @@ public:
     void Acquire(Thread* thread) override;
 
 private:
-    explicit ServerPort(KernelCore& kernel);
+    ServerPort();
     ~ServerPort() override;
 };
 

src/core/hle/kernel/server_session.cpp

@@ -13,7 +13,6 @@
 #include "core/hle/kernel/client_session.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/hle_ipc.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/server_session.h"
 #include "core/hle/kernel/session.h"
@@ -21,7 +20,7 @@
 
 namespace Kernel {
 
-ServerSession::ServerSession(KernelCore& kernel) : WaitObject{kernel} {}
+ServerSession::ServerSession() = default;
 ServerSession::~ServerSession() {
     // This destructor will be called automatically when the last ServerSession handle is closed by
     // the emulated application.
@@ -36,8 +35,8 @@ ServerSession::~ServerSession() {
     parent->server = nullptr;
 }
 
-ResultVal<SharedPtr<ServerSession>> ServerSession::Create(KernelCore& kernel, std::string name) {
-    SharedPtr<ServerSession> server_session(new ServerSession(kernel));
+ResultVal<SharedPtr<ServerSession>> ServerSession::Create(std::string name) {
+    SharedPtr<ServerSession> server_session(new ServerSession);
 
     server_session->name = std::move(name);
     server_session->parent = nullptr;
@@ -105,10 +104,11 @@ 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);
     u32* cmd_buf = (u32*)Memory::GetPointer(thread->GetTLSAddress());
     context.PopulateFromIncomingCommandBuffer(cmd_buf, *Core::CurrentProcess(),
-                                              kernel.HandleTable());
+                                              Kernel::g_handle_table);
 
     ResultCode result = RESULT_SUCCESS;
     // If the session has been converted to a domain, handle the domain request
@@ -160,11 +160,10 @@ ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
     return result;
 }
 
-ServerSession::SessionPair ServerSession::CreateSessionPair(KernelCore& kernel,
-                                                            const std::string& name,
+ServerSession::SessionPair ServerSession::CreateSessionPair(const std::string& name,
                                                             SharedPtr<ClientPort> port) {
-    auto server_session = ServerSession::Create(kernel, name + "_Server").Unwrap();
-    SharedPtr<ClientSession> client_session(new ClientSession(kernel));
+    auto server_session = ServerSession::Create(name + "_Server").Unwrap();
+    SharedPtr<ClientSession> client_session(new ClientSession);
     client_session->name = name + "_Client";
 
     std::shared_ptr<Session> parent(new Session);

src/core/hle/kernel/server_session.h

@@ -15,14 +15,13 @@
 
 namespace Kernel {
 
-class ClientPort;
 class ClientSession;
-class HLERequestContext;
-class KernelCore;
+class ClientPort;
 class ServerSession;
 class Session;
 class SessionRequestHandler;
 class Thread;
+class HLERequestContext;
 
 /**
  * Kernel object representing the server endpoint of an IPC session. Sessions are the basic CTR-OS
@@ -51,12 +50,11 @@ public:
 
     /**
      * Creates a pair of ServerSession and an associated ClientSession.
-     * @param kernel      The kernal instance to create the session pair under.
      * @param name        Optional name of the ports.
      * @param client_port Optional The ClientPort that spawned this session.
      * @return The created session tuple
      */
-    static SessionPair CreateSessionPair(KernelCore& kernel, const std::string& name = "Unknown",
+    static SessionPair CreateSessionPair(const std::string& name = "Unknown",
                                          SharedPtr<ClientPort> client_port = nullptr);
 
     /**
@@ -113,18 +111,16 @@ public:
     }
 
 private:
-    explicit ServerSession(KernelCore& kernel);
+    ServerSession();
     ~ServerSession() override;
 
     /**
      * Creates a server session. The server session can have an optional HLE handler,
      * which will be invoked to handle the IPC requests that this session receives.
-     * @param kernel The kernel instance to create this server session under.
      * @param name Optional name of the server session.
      * @return The created server session
      */
-    static ResultVal<SharedPtr<ServerSession>> Create(KernelCore& kernel,
-                                                      std::string name = "Unknown");
+    static ResultVal<SharedPtr<ServerSession>> Create(std::string name = "Unknown");
 
     /// Handles a SyncRequest to a domain, forwarding the request to the proper object or closing an
     /// object handle.

src/core/hle/kernel/shared_memory.cpp

@@ -13,14 +13,14 @@
 
 namespace Kernel {
 
-SharedMemory::SharedMemory(KernelCore& kernel) : Object{kernel} {}
-SharedMemory::~SharedMemory() = default;
+SharedMemory::SharedMemory() {}
+SharedMemory::~SharedMemory() {}
 
-SharedPtr<SharedMemory> SharedMemory::Create(KernelCore& kernel, SharedPtr<Process> owner_process,
-                                             u64 size, MemoryPermission permissions,
+SharedPtr<SharedMemory> SharedMemory::Create(SharedPtr<Process> owner_process, u64 size,
+                                             MemoryPermission permissions,
                                              MemoryPermission other_permissions, VAddr address,
                                              MemoryRegion region, std::string name) {
-    SharedPtr<SharedMemory> shared_memory(new SharedMemory(kernel));
+    SharedPtr<SharedMemory> shared_memory(new SharedMemory);
 
     shared_memory->owner_process = std::move(owner_process);
     shared_memory->name = std::move(name);
@@ -59,10 +59,12 @@ SharedPtr<SharedMemory> SharedMemory::Create(KernelCore& kernel, SharedPtr<Proce
     return shared_memory;
 }
 
-SharedPtr<SharedMemory> SharedMemory::CreateForApplet(
-    KernelCore& kernel, std::shared_ptr<std::vector<u8>> heap_block, u32 offset, u32 size,
-    MemoryPermission permissions, MemoryPermission other_permissions, std::string name) {
-    SharedPtr<SharedMemory> shared_memory(new SharedMemory(kernel));
+SharedPtr<SharedMemory> SharedMemory::CreateForApplet(std::shared_ptr<std::vector<u8>> heap_block,
+                                                      u32 offset, u32 size,
+                                                      MemoryPermission permissions,
+                                                      MemoryPermission other_permissions,
+                                                      std::string name) {
+    SharedPtr<SharedMemory> shared_memory(new SharedMemory);
 
     shared_memory->owner_process = nullptr;
     shared_memory->name = std::move(name);

src/core/hle/kernel/shared_memory.h

@@ -15,8 +15,6 @@
 
 namespace Kernel {
 
-class KernelCore;
-
 /// Permissions for mapped shared memory blocks
 enum class MemoryPermission : u32 {
     None = 0,
@@ -34,7 +32,6 @@ class SharedMemory final : public Object {
 public:
     /**
      * Creates a shared memory object.
-     * @param kernel The kernel instance to create a shared memory instance under.
      * @param owner_process Process that created this shared memory object.
      * @param size Size of the memory block. Must be page-aligned.
      * @param permissions Permission restrictions applied to the process which created the block.
@@ -45,15 +42,14 @@ public:
      * linear heap.
      * @param name Optional object name, used for debugging purposes.
      */
-    static SharedPtr<SharedMemory> Create(KernelCore& kernel, SharedPtr<Process> owner_process,
-                                          u64 size, MemoryPermission permissions,
+    static SharedPtr<SharedMemory> Create(SharedPtr<Process> owner_process, u64 size,
+                                          MemoryPermission permissions,
                                           MemoryPermission other_permissions, VAddr address = 0,
                                           MemoryRegion region = MemoryRegion::BASE,
                                           std::string name = "Unknown");
 
     /**
      * Creates a shared memory object from a block of memory managed by an HLE applet.
-     * @param kernel The kernel instance to create a shared memory instance under.
      * @param heap_block Heap block of the HLE applet.
      * @param offset The offset into the heap block that the SharedMemory will map.
      * @param size Size of the memory block. Must be page-aligned.
@@ -62,8 +58,7 @@ public:
      * block.
      * @param name Optional object name, used for debugging purposes.
      */
-    static SharedPtr<SharedMemory> CreateForApplet(KernelCore& kernel,
-                                                   std::shared_ptr<std::vector<u8>> heap_block,
+    static SharedPtr<SharedMemory> CreateForApplet(std::shared_ptr<std::vector<u8>> heap_block,
                                                    u32 offset, u32 size,
                                                    MemoryPermission permissions,
                                                    MemoryPermission other_permissions,
@@ -130,7 +125,7 @@ public:
     std::string name;
 
 private:
-    explicit SharedMemory(KernelCore& kernel);
+    SharedMemory();
     ~SharedMemory() override;
 };
 

src/core/hle/kernel/svc.cpp

@@ -12,20 +12,16 @@
 #include "common/logging/log.h"
 #include "common/microprofile.h"
 #include "common/string_util.h"
-#include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/address_arbiter.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/kernel/handle_table.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/mutex.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/shared_memory.h"
 #include "core/hle/kernel/svc.h"
 #include "core/hle/kernel/svc_wrap.h"
@@ -68,22 +64,19 @@ static ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
 
 /// Connect to an OS service given the port name, returns the handle to the port to out
 static ResultCode ConnectToNamedPort(Handle* out_handle, VAddr port_name_address) {
-    if (!Memory::IsValidVirtualAddress(port_name_address)) {
+    if (!Memory::IsValidVirtualAddress(port_name_address))
         return ERR_NOT_FOUND;
-    }
 
     static constexpr std::size_t PortNameMaxLength = 11;
     // Read 1 char beyond the max allowed port name to detect names that are too long.
     std::string port_name = Memory::ReadCString(port_name_address, PortNameMaxLength + 1);
-    if (port_name.size() > PortNameMaxLength) {
+    if (port_name.size() > PortNameMaxLength)
         return ERR_PORT_NAME_TOO_LONG;
-    }
 
     LOG_TRACE(Kernel_SVC, "called port_name={}", port_name);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    auto it = kernel.FindNamedPort(port_name);
-    if (!kernel.IsValidNamedPort(it)) {
+    auto it = Service::g_kernel_named_ports.find(port_name);
+    if (it == Service::g_kernel_named_ports.end()) {
         LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: {}", port_name);
         return ERR_NOT_FOUND;
     }
@@ -94,14 +87,13 @@ static ResultCode ConnectToNamedPort(Handle* out_handle, VAddr port_name_address
     CASCADE_RESULT(client_session, client_port->Connect());
 
     // Return the client session
-    CASCADE_RESULT(*out_handle, kernel.HandleTable().Create(client_session));
+    CASCADE_RESULT(*out_handle, g_handle_table.Create(client_session));
     return RESULT_SUCCESS;
 }
 
 /// Makes a blocking IPC call to an OS service.
 static ResultCode SendSyncRequest(Handle handle) {
-    auto& kernel = Core::System::GetInstance().Kernel();
-    SharedPtr<ClientSession> session = kernel.HandleTable().Get<ClientSession>(handle);
+    SharedPtr<ClientSession> session = g_handle_table.Get<ClientSession>(handle);
     if (!session) {
         LOG_ERROR(Kernel_SVC, "called with invalid handle=0x{:08X}", handle);
         return ERR_INVALID_HANDLE;
@@ -120,8 +112,7 @@ static ResultCode SendSyncRequest(Handle handle) {
 static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) {
     LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+    const SharedPtr<Thread> thread = g_handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         return ERR_INVALID_HANDLE;
     }
@@ -134,8 +125,7 @@ static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) {
 static ResultCode GetProcessId(u32* process_id, Handle process_handle) {
     LOG_TRACE(Kernel_SVC, "called process=0x{:08X}", process_handle);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    const SharedPtr<Process> process = kernel.HandleTable().Get<Process>(process_handle);
+    const SharedPtr<Process> process = g_handle_table.Get<Process>(process_handle);
     if (!process) {
         return ERR_INVALID_HANDLE;
     }
@@ -178,11 +168,10 @@ static ResultCode WaitSynchronization(Handle* index, VAddr handles_address, u64
 
     using ObjectPtr = SharedPtr<WaitObject>;
     std::vector<ObjectPtr> objects(handle_count);
-    auto& kernel = Core::System::GetInstance().Kernel();
 
     for (u64 i = 0; i < handle_count; ++i) {
         const Handle handle = Memory::Read32(handles_address + i * sizeof(Handle));
-        const auto object = kernel.HandleTable().Get<WaitObject>(handle);
+        const auto object = g_handle_table.Get<WaitObject>(handle);
 
         if (object == nullptr) {
             return ERR_INVALID_HANDLE;
@@ -230,8 +219,7 @@ static ResultCode WaitSynchronization(Handle* index, VAddr handles_address, u64
 static ResultCode CancelSynchronization(Handle thread_handle) {
     LOG_TRACE(Kernel_SVC, "called thread=0x{:X}", thread_handle);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+    const SharedPtr<Thread> thread = g_handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         return ERR_INVALID_HANDLE;
     }
@@ -251,9 +239,7 @@ static ResultCode ArbitrateLock(Handle holding_thread_handle, VAddr mutex_addr,
               "requesting_current_thread_handle=0x{:08X}",
               holding_thread_handle, mutex_addr, requesting_thread_handle);
 
-    auto& handle_table = Core::System::GetInstance().Kernel().HandleTable();
-    return Mutex::TryAcquire(handle_table, mutex_addr, holding_thread_handle,
-                             requesting_thread_handle);
+    return Mutex::TryAcquire(mutex_addr, holding_thread_handle, requesting_thread_handle);
 }
 
 /// Unlock a mutex
@@ -366,8 +352,7 @@ static ResultCode GetThreadContext(Handle handle, VAddr addr) {
 
 /// Gets the priority for the specified thread
 static ResultCode GetThreadPriority(u32* priority, Handle handle) {
-    auto& kernel = Core::System::GetInstance().Kernel();
-    const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(handle);
+    const SharedPtr<Thread> thread = g_handle_table.Get<Thread>(handle);
     if (!thread)
         return ERR_INVALID_HANDLE;
 
@@ -381,8 +366,7 @@ static ResultCode SetThreadPriority(Handle handle, u32 priority) {
         return ERR_OUT_OF_RANGE;
     }
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(handle);
+    SharedPtr<Thread> thread = g_handle_table.Get<Thread>(handle);
     if (!thread)
         return ERR_INVALID_HANDLE;
 
@@ -411,8 +395,7 @@ static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 s
               "called, shared_memory_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}",
               shared_memory_handle, addr, size, permissions);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    auto shared_memory = kernel.HandleTable().Get<SharedMemory>(shared_memory_handle);
+    SharedPtr<SharedMemory> shared_memory = g_handle_table.Get<SharedMemory>(shared_memory_handle);
     if (!shared_memory) {
         return ERR_INVALID_HANDLE;
     }
@@ -440,8 +423,7 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64
     LOG_WARNING(Kernel_SVC, "called, shared_memory_handle=0x{:08X}, addr=0x{:X}, size=0x{:X}",
                 shared_memory_handle, addr, size);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    auto shared_memory = kernel.HandleTable().Get<SharedMemory>(shared_memory_handle);
+    SharedPtr<SharedMemory> shared_memory = g_handle_table.Get<SharedMemory>(shared_memory_handle);
 
     return shared_memory->Unmap(Core::CurrentProcess().get(), addr);
 }
@@ -449,9 +431,7 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64
 /// Query process memory
 static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_info*/,
                                      Handle process_handle, u64 addr) {
-
-    auto& kernel = Core::System::GetInstance().Kernel();
-    SharedPtr<Process> process = kernel.HandleTable().Get<Process>(process_handle);
+    SharedPtr<Process> process = g_handle_table.Get<Process>(process_handle);
     if (!process) {
         return ERR_INVALID_HANDLE;
     }
@@ -548,11 +528,10 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
         break;
     }
 
-    auto& kernel = Core::System::GetInstance().Kernel();
     CASCADE_RESULT(SharedPtr<Thread> thread,
-                   Thread::Create(kernel, name, entry_point, priority, arg, processor_id, stack_top,
+                   Thread::Create(name, entry_point, priority, arg, processor_id, stack_top,
                                   Core::CurrentProcess()));
-    CASCADE_RESULT(thread->guest_handle, kernel.HandleTable().Create(thread));
+    CASCADE_RESULT(thread->guest_handle, g_handle_table.Create(thread));
     *out_handle = thread->guest_handle;
 
     Core::System::GetInstance().CpuCore(thread->processor_id).PrepareReschedule();
@@ -569,8 +548,7 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
 static ResultCode StartThread(Handle thread_handle) {
     LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+    const SharedPtr<Thread> thread = g_handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         return ERR_INVALID_HANDLE;
     }
@@ -617,8 +595,7 @@ static ResultCode WaitProcessWideKeyAtomic(VAddr mutex_addr, VAddr condition_var
         "called mutex_addr={:X}, condition_variable_addr={:X}, thread_handle=0x{:08X}, timeout={}",
         mutex_addr, condition_variable_addr, thread_handle, nano_seconds);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+    SharedPtr<Thread> thread = g_handle_table.Get<Thread>(thread_handle);
     ASSERT(thread);
 
     CASCADE_CODE(Mutex::Release(mutex_addr));
@@ -727,9 +704,8 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
                                                mutex_val | Mutex::MutexHasWaitersFlag));
 
             // The mutex is already owned by some other thread, make this thread wait on it.
-            auto& kernel = Core::System::GetInstance().Kernel();
             Handle owner_handle = static_cast<Handle>(mutex_val & Mutex::MutexOwnerMask);
-            auto owner = kernel.HandleTable().Get<Thread>(owner_handle);
+            auto owner = g_handle_table.Get<Thread>(owner_handle);
             ASSERT(owner);
             ASSERT(thread->status == ThreadStatus::WaitMutex);
             thread->wakeup_callback = nullptr;
@@ -807,20 +783,14 @@ static u64 GetSystemTick() {
 /// Close a handle
 static ResultCode CloseHandle(Handle handle) {
     LOG_TRACE(Kernel_SVC, "Closing handle 0x{:08X}", handle);
-
-    auto& kernel = Core::System::GetInstance().Kernel();
-    return kernel.HandleTable().Close(handle);
+    return g_handle_table.Close(handle);
 }
 
 /// Reset an event
 static ResultCode ResetSignal(Handle handle) {
     LOG_WARNING(Kernel_SVC, "(STUBBED) called handle 0x{:08X}", handle);
-
-    auto& kernel = Core::System::GetInstance().Kernel();
-    auto event = kernel.HandleTable().Get<Event>(handle);
-
+    auto event = g_handle_table.Get<Event>(handle);
     ASSERT(event != nullptr);
-
     event->Clear();
     return RESULT_SUCCESS;
 }
@@ -836,8 +806,7 @@ static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32
 static ResultCode GetThreadCoreMask(Handle thread_handle, u32* core, u64* mask) {
     LOG_TRACE(Kernel_SVC, "called, handle=0x{:08X}", thread_handle);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+    const SharedPtr<Thread> thread = g_handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         return ERR_INVALID_HANDLE;
     }
@@ -852,8 +821,7 @@ static ResultCode SetThreadCoreMask(Handle thread_handle, u32 core, u64 mask) {
     LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, mask=0x{:16X}, core=0x{:X}", thread_handle,
               mask, core);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+    const SharedPtr<Thread> thread = g_handle_table.Get<Thread>(thread_handle);
     if (!thread) {
         return ERR_INVALID_HANDLE;
     }
@@ -893,23 +861,19 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss
                                      u32 remote_permissions) {
     LOG_TRACE(Kernel_SVC, "called, size=0x{:X}, localPerms=0x{:08X}, remotePerms=0x{:08X}", size,
               local_permissions, remote_permissions);
-
-    auto& kernel = Core::System::GetInstance().Kernel();
-    auto& handle_table = kernel.HandleTable();
-    auto shared_mem_handle =
-        SharedMemory::Create(kernel, handle_table.Get<Process>(KernelHandle::CurrentProcess), size,
+    auto sharedMemHandle =
+        SharedMemory::Create(g_handle_table.Get<Process>(KernelHandle::CurrentProcess), size,
                              static_cast<MemoryPermission>(local_permissions),
                              static_cast<MemoryPermission>(remote_permissions));
 
-    CASCADE_RESULT(*handle, handle_table.Create(shared_mem_handle));
+    CASCADE_RESULT(*handle, g_handle_table.Create(sharedMemHandle));
     return RESULT_SUCCESS;
 }
 
 static ResultCode ClearEvent(Handle handle) {
     LOG_TRACE(Kernel_SVC, "called, event=0x{:08X}", handle);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    SharedPtr<Event> evt = kernel.HandleTable().Get<Event>(handle);
+    SharedPtr<Event> evt = g_handle_table.Get<Event>(handle);
     if (evt == nullptr)
         return ERR_INVALID_HANDLE;
     evt->Clear();

src/core/hle/kernel/thread.cpp

@@ -16,21 +16,22 @@
 #include "common/thread_queue_list.h"
 #include "core/arm/arm_interface.h"
 #include "core/core.h"
-#include "core/core_cpu.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
+#include "core/hle/lock.h"
 #include "core/hle/result.h"
 #include "core/memory.h"
 
 namespace Kernel {
 
+/// Event type for the thread wake up event
+static CoreTiming::EventType* ThreadWakeupEventType = nullptr;
+
 bool Thread::ShouldWait(Thread* thread) const {
     return status != ThreadStatus::Dead;
 }
@@ -39,17 +40,32 @@ void Thread::Acquire(Thread* thread) {
     ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
 }
 
-Thread::Thread(KernelCore& kernel) : WaitObject{kernel} {}
-Thread::~Thread() = default;
+// TODO(yuriks): This can be removed if Thread objects are explicitly pooled in the future, allowing
+//               us to simply use a pool index or similar.
+static Kernel::HandleTable wakeup_callback_handle_table;
+
+// The first available thread id at startup
+static u32 next_thread_id;
+
+/**
+ * Creates a new thread ID
+ * @return The new thread ID
+ */
+inline static u32 const NewThreadId() {
+    return next_thread_id++;
+}
+
+Thread::Thread() {}
+Thread::~Thread() {}
 
 void Thread::Stop() {
     // Cancel any outstanding wakeup events for this thread
-    CoreTiming::UnscheduleEvent(kernel.ThreadWakeupCallbackEventType(), callback_handle);
-    kernel.ThreadWakeupCallbackHandleTable().Close(callback_handle);
+    CoreTiming::UnscheduleEvent(ThreadWakeupEventType, callback_handle);
+    wakeup_callback_handle_table.Close(callback_handle);
     callback_handle = 0;
 
     // Clean up thread from ready queue
-    // This is only needed when the thread is terminated forcefully (SVC TerminateProcess)
+    // This is only needed when the thread is termintated forcefully (SVC TerminateProcess)
     if (status == ThreadStatus::Ready) {
         scheduler->UnscheduleThread(this, current_priority);
     }
@@ -82,6 +98,63 @@ void ExitCurrentThread() {
     Core::System::GetInstance().CurrentScheduler().RemoveThread(thread);
 }
 
+/**
+ * Callback that will wake up the thread it was scheduled for
+ * @param thread_handle The handle of the thread that's been awoken
+ * @param cycles_late The number of CPU cycles that have passed since the desired wakeup time
+ */
+static void ThreadWakeupCallback(u64 thread_handle, int cycles_late) {
+    const auto proper_handle = static_cast<Handle>(thread_handle);
+
+    // Lock the global kernel mutex when we enter the kernel HLE.
+    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
+
+    SharedPtr<Thread> thread = wakeup_callback_handle_table.Get<Thread>(proper_handle);
+    if (thread == nullptr) {
+        LOG_CRITICAL(Kernel, "Callback fired for invalid thread {:08X}", proper_handle);
+        return;
+    }
+
+    bool resume = true;
+
+    if (thread->status == ThreadStatus::WaitSynchAny ||
+        thread->status == ThreadStatus::WaitSynchAll ||
+        thread->status == ThreadStatus::WaitHLEEvent) {
+        // Remove the thread from each of its waiting objects' waitlists
+        for (auto& object : thread->wait_objects)
+            object->RemoveWaitingThread(thread.get());
+        thread->wait_objects.clear();
+
+        // Invoke the wakeup callback before clearing the wait objects
+        if (thread->wakeup_callback)
+            resume = thread->wakeup_callback(ThreadWakeupReason::Timeout, thread, nullptr, 0);
+    }
+
+    if (thread->mutex_wait_address != 0 || thread->condvar_wait_address != 0 ||
+        thread->wait_handle) {
+        ASSERT(thread->status == ThreadStatus::WaitMutex);
+        thread->mutex_wait_address = 0;
+        thread->condvar_wait_address = 0;
+        thread->wait_handle = 0;
+
+        auto lock_owner = thread->lock_owner;
+        // Threads waking up by timeout from WaitProcessWideKey do not perform priority inheritance
+        // and don't have a lock owner unless SignalProcessWideKey was called first and the thread
+        // wasn't awakened due to the mutex already being acquired.
+        if (lock_owner) {
+            lock_owner->RemoveMutexWaiter(thread);
+        }
+    }
+
+    if (thread->arb_wait_address != 0) {
+        ASSERT(thread->status == ThreadStatus::WaitArb);
+        thread->arb_wait_address = 0;
+    }
+
+    if (resume)
+        thread->ResumeFromWait();
+}
+
 void Thread::WakeAfterDelay(s64 nanoseconds) {
     // Don't schedule a wakeup if the thread wants to wait forever
     if (nanoseconds == -1)
@@ -89,12 +162,12 @@ 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.
-    CoreTiming::ScheduleEventThreadsafe(CoreTiming::nsToCycles(nanoseconds),
-                                        kernel.ThreadWakeupCallbackEventType(), callback_handle);
+    CoreTiming::ScheduleEventThreadsafe(CoreTiming::nsToCycles(nanoseconds), ThreadWakeupEventType,
+                                        callback_handle);
 }
 
 void Thread::CancelWakeupTimer() {
-    CoreTiming::UnscheduleEventThreadsafe(kernel.ThreadWakeupCallbackEventType(), callback_handle);
+    CoreTiming::UnscheduleEventThreadsafe(ThreadWakeupEventType, callback_handle);
 }
 
 static boost::optional<s32> GetNextProcessorId(u64 mask) {
@@ -221,9 +294,9 @@ static void ResetThreadContext(Core::ARM_Interface::ThreadContext& context, VAdd
     context.fpscr = 0;
 }
 
-ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name, VAddr entry_point,
-                                            u32 priority, u64 arg, s32 processor_id,
-                                            VAddr stack_top, SharedPtr<Process> owner_process) {
+ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, u32 priority,
+                                            u64 arg, s32 processor_id, VAddr stack_top,
+                                            SharedPtr<Process> owner_process) {
     // Check if priority is in ranged. Lowest priority -> highest priority id.
     if (priority > THREADPRIO_LOWEST) {
         LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
@@ -243,9 +316,9 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
         return ResultCode(-1);
     }
 
-    SharedPtr<Thread> thread(new Thread(kernel));
+    SharedPtr<Thread> thread(new Thread);
 
-    thread->thread_id = kernel.CreateNewThreadID();
+    thread->thread_id = NewThreadId();
     thread->status = ThreadStatus::Dormant;
     thread->entry_point = entry_point;
     thread->stack_top = stack_top;
@@ -260,7 +333,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
     thread->condvar_wait_address = 0;
     thread->wait_handle = 0;
     thread->name = std::move(name);
-    thread->callback_handle = kernel.ThreadWakeupCallbackHandleTable().Create(thread).Unwrap();
+    thread->callback_handle = wakeup_callback_handle_table.Create(thread).Unwrap();
     thread->owner_process = owner_process;
     thread->scheduler = Core::System::GetInstance().Scheduler(processor_id);
     thread->scheduler->AddThread(thread, priority);
@@ -310,19 +383,19 @@ void Thread::BoostPriority(u32 priority) {
     current_priority = priority;
 }
 
-SharedPtr<Thread> SetupMainThread(KernelCore& kernel, VAddr entry_point, u32 priority,
+SharedPtr<Thread> SetupMainThread(VAddr entry_point, u32 priority,
                                   SharedPtr<Process> owner_process) {
     // Setup page table so we can write to memory
     SetCurrentPageTable(&Core::CurrentProcess()->vm_manager.page_table);
 
     // Initialize new "main" thread
-    auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0, THREADPROCESSORID_0,
+    auto thread_res = Thread::Create("main", entry_point, priority, 0, THREADPROCESSORID_0,
                                      Memory::STACK_AREA_VADDR_END, std::move(owner_process));
 
     SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
 
     // Register 1 must be a handle to the main thread
-    thread->guest_handle = kernel.HandleTable().Create(thread).Unwrap();
+    thread->guest_handle = Kernel::g_handle_table.Create(thread).Unwrap();
 
     thread->context.cpu_registers[1] = thread->guest_handle;
 
@@ -455,4 +528,13 @@ Thread* GetCurrentThread() {
     return Core::System::GetInstance().CurrentScheduler().GetCurrentThread();
 }
 
+void ThreadingInit() {
+    ThreadWakeupEventType = CoreTiming::RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback);
+    next_thread_id = 1;
+}
+
+void ThreadingShutdown() {
+    Kernel::ClearProcessList();
+}
+
 } // namespace Kernel

src/core/hle/kernel/thread.h

@@ -56,7 +56,6 @@ enum class ThreadWakeupReason {
 
 namespace Kernel {
 
-class KernelCore;
 class Process;
 class Scheduler;
 
@@ -64,7 +63,6 @@ class Thread final : public WaitObject {
 public:
     /**
      * Creates and returns a new thread. The new thread is immediately scheduled
-     * @param kernel The kernel instance this thread will be created under.
      * @param name The friendly name desired for the thread
      * @param entry_point The address at which the thread should start execution
      * @param priority The thread's priority
@@ -74,9 +72,8 @@ public:
      * @param owner_process The parent process for the thread
      * @return A shared pointer to the newly created thread
      */
-    static ResultVal<SharedPtr<Thread>> Create(KernelCore& kernel, std::string name,
-                                               VAddr entry_point, u32 priority, u64 arg,
-                                               s32 processor_id, VAddr stack_top,
+    static ResultVal<SharedPtr<Thread>> Create(std::string name, VAddr entry_point, u32 priority,
+                                               u64 arg, s32 processor_id, VAddr stack_top,
                                                SharedPtr<Process> owner_process);
 
     std::string GetName() const override {
@@ -266,7 +263,7 @@ public:
     u64 affinity_mask{0x1};
 
 private:
-    explicit Thread(KernelCore& kernel);
+    Thread();
     ~Thread() override;
 
     std::shared_ptr<std::vector<u8>> tls_memory = std::make_shared<std::vector<u8>>();
@@ -274,13 +271,12 @@ private:
 
 /**
  * Sets up the primary application thread
- * @param kernel The kernel instance to create the main thread under.
  * @param entry_point The address at which the thread should start execution
  * @param priority The priority to give the main thread
  * @param owner_process The parent process for the main thread
  * @return A shared pointer to the main thread
  */
-SharedPtr<Thread> SetupMainThread(KernelCore& kernel, VAddr entry_point, u32 priority,
+SharedPtr<Thread> SetupMainThread(VAddr entry_point, u32 priority,
                                   SharedPtr<Process> owner_process);
 
 /**
@@ -298,4 +294,14 @@ void WaitCurrentThread_Sleep();
  */
 void ExitCurrentThread();
 
+/**
+ * Initialize threading
+ */
+void ThreadingInit();
+
+/**
+ * Shutdown threading
+ */
+void ThreadingShutdown();
+
 } // namespace Kernel

src/core/hle/kernel/timer.cpp

@@ -2,31 +2,36 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <cinttypes>
 #include "common/assert.h"
 #include "common/logging/log.h"
-#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/hle/kernel/handle_table.h"
-#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/timer.h"
 
 namespace Kernel {
 
-Timer::Timer(KernelCore& kernel) : WaitObject{kernel} {}
-Timer::~Timer() = default;
+/// The event type of the generic timer callback event
+static CoreTiming::EventType* timer_callback_event_type = nullptr;
+// TODO(yuriks): This can be removed if Timer objects are explicitly pooled in the future, allowing
+//               us to simply use a pool index or similar.
+static Kernel::HandleTable timer_callback_handle_table;
 
-SharedPtr<Timer> Timer::Create(KernelCore& kernel, ResetType reset_type, std::string name) {
-    SharedPtr<Timer> timer(new Timer(kernel));
+Timer::Timer() {}
+Timer::~Timer() {}
+
+SharedPtr<Timer> Timer::Create(ResetType reset_type, std::string name) {
+    SharedPtr<Timer> timer(new Timer);
 
     timer->reset_type = reset_type;
     timer->signaled = false;
     timer->name = std::move(name);
     timer->initial_delay = 0;
     timer->interval_delay = 0;
-    timer->callback_handle = kernel.CreateTimerCallbackHandle(timer).Unwrap();
+    timer->callback_handle = timer_callback_handle_table.Create(timer).Unwrap();
 
     return timer;
 }
@@ -53,13 +58,13 @@ void Timer::Set(s64 initial, s64 interval) {
         // Immediately invoke the callback
         Signal(0);
     } else {
-        CoreTiming::ScheduleEvent(CoreTiming::nsToCycles(initial), kernel.TimerCallbackEventType(),
+        CoreTiming::ScheduleEvent(CoreTiming::nsToCycles(initial), timer_callback_event_type,
                                   callback_handle);
     }
 }
 
 void Timer::Cancel() {
-    CoreTiming::UnscheduleEvent(kernel.TimerCallbackEventType(), callback_handle);
+    CoreTiming::UnscheduleEvent(timer_callback_event_type, callback_handle);
 }
 
 void Timer::Clear() {
@@ -84,8 +89,28 @@ void Timer::Signal(int cycles_late) {
     if (interval_delay != 0) {
         // Reschedule the timer with the interval delay
         CoreTiming::ScheduleEvent(CoreTiming::nsToCycles(interval_delay) - cycles_late,
-                                  kernel.TimerCallbackEventType(), callback_handle);
+                                  timer_callback_event_type, callback_handle);
     }
 }
 
+/// The timer callback event, called when a timer is fired
+static void TimerCallback(u64 timer_handle, int cycles_late) {
+    SharedPtr<Timer> timer =
+        timer_callback_handle_table.Get<Timer>(static_cast<Handle>(timer_handle));
+
+    if (timer == nullptr) {
+        LOG_CRITICAL(Kernel, "Callback fired for invalid timer {:016X}", timer_handle);
+        return;
+    }
+
+    timer->Signal(cycles_late);
+}
+
+void TimersInit() {
+    timer_callback_handle_table.Clear();
+    timer_callback_event_type = CoreTiming::RegisterEvent("TimerCallback", TimerCallback);
+}
+
+void TimersShutdown() {}
+
 } // namespace Kernel

src/core/hle/kernel/timer.h

@@ -10,19 +10,15 @@
 
 namespace Kernel {
 
-class KernelCore;
-
 class Timer final : public WaitObject {
 public:
     /**
      * Creates a timer
-     * @param kernel The kernel instance to create the timer callback handle for.
      * @param reset_type ResetType describing how to create the timer
      * @param name Optional name of timer
      * @return The created Timer
      */
-    static SharedPtr<Timer> Create(KernelCore& kernel, ResetType reset_type,
-                                   std::string name = "Unknown");
+    static SharedPtr<Timer> Create(ResetType reset_type, std::string name = "Unknown");
 
     std::string GetTypeName() const override {
         return "Timer";
@@ -72,7 +68,7 @@ public:
     void Signal(int cycles_late);
 
 private:
-    explicit Timer(KernelCore& kernel);
+    Timer();
     ~Timer() override;
 
     ResetType reset_type; ///< The ResetType of this timer
@@ -87,4 +83,9 @@ private:
     Handle callback_handle;
 };
 
+/// Initializes the required variables for timers
+void TimersInit();
+/// Tears down the timer variables
+void TimersShutdown();
+
 } // namespace Kernel

src/core/hle/kernel/wait_object.cpp

@@ -12,9 +12,6 @@
 
 namespace Kernel {
 
-WaitObject::WaitObject(KernelCore& kernel) : Object{kernel} {}
-WaitObject::~WaitObject() = default;
-
 void WaitObject::AddWaitingThread(SharedPtr<Thread> thread) {
     auto itr = std::find(waiting_threads.begin(), waiting_threads.end(), thread);
     if (itr == waiting_threads.end())

src/core/hle/kernel/wait_object.h

@@ -11,15 +11,11 @@
 
 namespace Kernel {
 
-class KernelCore;
 class Thread;
 
 /// Class that represents a Kernel object that a thread can be waiting on
 class WaitObject : public Object {
 public:
-    explicit WaitObject(KernelCore& kernel);
-    ~WaitObject() override;
-
     /**
      * Check if the specified thread should wait until the object is available
      * @param thread The thread about which we're deciding.

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

@@ -160,9 +160,8 @@ ISelfController::ISelfController(std::shared_ptr<NVFlinger::NVFlinger> nvflinger
     };
     RegisterHandlers(functions);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
     launchable_event =
-        Kernel::Event::Create(kernel, Kernel::ResetType::Sticky, "ISelfController:LaunchableEvent");
+        Kernel::Event::Create(Kernel::ResetType::Sticky, "ISelfController:LaunchableEvent");
 }
 
 void ISelfController::SetFocusHandlingMode(Kernel::HLERequestContext& ctx) {
@@ -333,8 +332,7 @@ ICommonStateGetter::ICommonStateGetter() : ServiceFramework("ICommonStateGetter"
     };
     RegisterHandlers(functions);
 
-    auto& kernel = Core::System::GetInstance().Kernel();
-    event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "ICommonStateGetter:Event");
+    event = Kernel::Event::Create(Kernel::ResetType::OneShot, "ICommonStateGetter:Event");
 }
 
 void ICommonStateGetter::GetBootMode(Kernel::HLERequestContext& ctx) {
@@ -507,8 +505,7 @@ public:
         };
         RegisterHandlers(functions);
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        state_changed_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
+        state_changed_event = Kernel::Event::Create(Kernel::ResetType::OneShot,
                                                     "ILibraryAppletAccessor:StateChangedEvent");
     }
 

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

@@ -47,9 +47,7 @@ public:
         RegisterHandlers(functions);
 
         // This is the event handle used to check if the audio buffer was released
-        auto& kernel = Core::System::GetInstance().Kernel();
-        buffer_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::Sticky, "IAudioOutBufferReleased");
+        buffer_event = Kernel::Event::Create(Kernel::ResetType::Sticky, "IAudioOutBufferReleased");
 
         stream = audio_core.OpenStream(audio_params.sample_rate, audio_params.channel_count,
                                        "IAudioOut", [=]() { buffer_event->Signal(); });

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

@@ -35,9 +35,8 @@ public:
         };
         RegisterHandlers(functions);
 
-        auto& kernel = Core::System::GetInstance().Kernel();
         system_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::Sticky, "IAudioRenderer:SystemEvent");
+            Kernel::Event::Create(Kernel::ResetType::Sticky, "IAudioRenderer:SystemEvent");
         renderer = std::make_unique<AudioCore::AudioRenderer>(audren_params, system_event);
     }
 
@@ -122,9 +121,8 @@ public:
         };
         RegisterHandlers(functions);
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        buffer_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                             "IAudioOutBufferReleasedEvent");
+        buffer_event =
+            Kernel::Event::Create(Kernel::ResetType::OneShot, "IAudioOutBufferReleasedEvent");
     }
 
 private:

src/core/hle/service/filesystem/filesystem.cpp

@@ -10,7 +10,6 @@
 #include "core/file_sys/bis_factory.h"
 #include "core/file_sys/errors.h"
 #include "core/file_sys/mode.h"
-#include "core/file_sys/registered_cache.h"
 #include "core/file_sys/romfs_factory.h"
 #include "core/file_sys/savedata_factory.h"
 #include "core/file_sys/sdmc_factory.h"
@@ -61,20 +60,17 @@ ResultCode VfsDirectoryServiceWrapper::CreateFile(const std::string& path_, u64
 
 ResultCode VfsDirectoryServiceWrapper::DeleteFile(const std::string& path_) const {
     std::string path(FileUtil::SanitizePath(path_));
+    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
     if (path.empty()) {
         // TODO(DarkLordZach): Why do games call this and what should it do? Works as is but...
         return RESULT_SUCCESS;
     }
-
-    auto dir = GetDirectoryRelativeWrapped(backing, FileUtil::GetParentPath(path));
-    if (dir->GetFile(FileUtil::GetFilename(path)) == nullptr) {
+    if (dir->GetFile(FileUtil::GetFilename(path)) == nullptr)
         return FileSys::ERROR_PATH_NOT_FOUND;
-    }
     if (!dir->DeleteFile(FileUtil::GetFilename(path))) {
         // TODO(DarkLordZach): Find a better error code for this
         return ResultCode(-1);
     }
-
     return RESULT_SUCCESS;
 }
 
@@ -308,12 +304,6 @@ ResultVal<FileSys::VirtualDir> OpenSDMC() {
     return sdmc_factory->Open();
 }
 
-std::shared_ptr<FileSys::RegisteredCacheUnion> GetUnionContents() {
-    return std::make_shared<FileSys::RegisteredCacheUnion>(
-        std::vector<std::shared_ptr<FileSys::RegisteredCache>>{
-            GetSystemNANDContents(), GetUserNANDContents(), GetSDMCContents()});
-}
-
 std::shared_ptr<FileSys::RegisteredCache> GetSystemNANDContents() {
     LOG_TRACE(Service_FS, "Opening System NAND Contents");
 

src/core/hle/service/filesystem/filesystem.h

@@ -7,13 +7,11 @@
 #include <memory>
 #include "common/common_types.h"
 #include "core/file_sys/directory.h"
-#include "core/file_sys/vfs.h"
 #include "core/hle/result.h"
 
 namespace FileSys {
 class BISFactory;
 class RegisteredCache;
-class RegisteredCacheUnion;
 class RomFSFactory;
 class SaveDataFactory;
 class SDMCFactory;
@@ -46,8 +44,6 @@ ResultVal<FileSys::VirtualDir> OpenSaveData(FileSys::SaveDataSpaceId space,
                                             FileSys::SaveDataDescriptor save_struct);
 ResultVal<FileSys::VirtualDir> OpenSDMC();
 
-std::shared_ptr<FileSys::RegisteredCacheUnion> GetUnionContents();
-
 std::shared_ptr<FileSys::RegisteredCache> GetSystemNANDContents();
 std::shared_ptr<FileSys::RegisteredCache> GetUserNANDContents();
 std::shared_ptr<FileSys::RegisteredCache> GetSDMCContents();

src/core/hle/service/filesystem/fsp_srv.cpp

@@ -26,17 +26,6 @@
 
 namespace Service::FileSystem {
 
-enum class FileSystemType : u8 {
-    Invalid0 = 0,
-    Invalid1 = 1,
-    Logo = 2,
-    ContentControl = 3,
-    ContentManual = 4,
-    ContentMeta = 5,
-    ContentData = 6,
-    ApplicationPackage = 7,
-};
-
 class IStorage final : public ServiceFramework<IStorage> {
 public:
     explicit IStorage(FileSys::VirtualFile backend_)
@@ -431,7 +420,7 @@ FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
         {0, nullptr, "MountContent"},
         {1, &FSP_SRV::Initialize, "Initialize"},
         {2, nullptr, "OpenDataFileSystemByCurrentProcess"},
-        {7, &FSP_SRV::OpenFileSystemWithPatch, "OpenFileSystemWithPatch"},
+        {7, nullptr, "OpenFileSystemWithPatch"},
         {8, nullptr, "OpenFileSystemWithId"},
         {9, nullptr, "OpenDataFileSystemByApplicationId"},
         {11, nullptr, "OpenBisFileSystem"},
@@ -455,7 +444,7 @@ FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
         {34, nullptr, "GetCacheStorageSize"},
         {51, &FSP_SRV::MountSaveData, "MountSaveData"},
         {52, nullptr, "OpenSaveDataFileSystemBySystemSaveDataId"},
-        {53, &FSP_SRV::OpenReadOnlySaveDataFileSystem, "OpenReadOnlySaveDataFileSystem"},
+        {53, nullptr, "OpenReadOnlySaveDataFileSystem"},
         {57, nullptr, "ReadSaveDataFileSystemExtraDataBySaveDataSpaceId"},
         {58, nullptr, "ReadSaveDataFileSystemExtraData"},
         {59, nullptr, "WriteSaveDataFileSystemExtraData"},
@@ -527,16 +516,6 @@ void FSP_SRV::Initialize(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
-void FSP_SRV::OpenFileSystemWithPatch(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-
-    const auto type = rp.PopRaw<FileSystemType>();
-    const auto title_id = rp.PopRaw<u64>();
-
-    IPC::ResponseBuilder rb{ctx, 2, 0, 0};
-    rb.Push(ResultCode(-1));
-}
-
 void FSP_SRV::MountSdCard(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_FS, "called");
 
@@ -584,11 +563,6 @@ void FSP_SRV::MountSaveData(Kernel::HLERequestContext& ctx) {
     rb.PushIpcInterface<IFileSystem>(std::move(filesystem));
 }
 
-void FSP_SRV::OpenReadOnlySaveDataFileSystem(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_FS, "(STUBBED) called, delegating to 51 OpenSaveDataFilesystem");
-    MountSaveData(ctx);
-}
-
 void FSP_SRV::GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_FS, "(STUBBED) called");
 

src/core/hle/service/filesystem/fsp_srv.h

@@ -20,11 +20,9 @@ public:
 
 private:
     void Initialize(Kernel::HLERequestContext& ctx);
-    void OpenFileSystemWithPatch(Kernel::HLERequestContext& ctx);
     void MountSdCard(Kernel::HLERequestContext& ctx);
     void CreateSaveData(Kernel::HLERequestContext& ctx);
     void MountSaveData(Kernel::HLERequestContext& ctx);
-    void OpenReadOnlySaveDataFileSystem(Kernel::HLERequestContext& ctx);
     void GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
     void OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);
     void OpenDataStorageByDataId(Kernel::HLERequestContext& ctx);

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

@@ -4,7 +4,6 @@
 
 #include <atomic>
 #include "common/logging/log.h"
-#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/frontend/emu_window.h"
@@ -36,10 +35,9 @@ public:
         };
         RegisterHandlers(functions);
 
-        auto& kernel = Core::System::GetInstance().Kernel();
         shared_mem = Kernel::SharedMemory::Create(
-            kernel, nullptr, 0x40000, Kernel::MemoryPermission::ReadWrite,
-            Kernel::MemoryPermission::Read, 0, Kernel::MemoryRegion::BASE, "HID:SharedMemory");
+            nullptr, 0x40000, Kernel::MemoryPermission::ReadWrite, Kernel::MemoryPermission::Read,
+            0, Kernel::MemoryRegion::BASE, "HID:SharedMemory");
 
         // Register update callbacks
         pad_update_event = CoreTiming::RegisterEvent(
@@ -404,8 +402,7 @@ public:
 
         RegisterHandlers(functions);
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "hid:EventHandle");
+        event = Kernel::Event::Create(Kernel::ResetType::OneShot, "hid:EventHandle");
     }
     ~Hid() = default;
 

src/core/hle/service/nfp/nfp.cpp

@@ -46,13 +46,11 @@ public:
         };
         RegisterHandlers(functions);
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        activate_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IUser:ActivateEvent");
+        activate_event = Kernel::Event::Create(Kernel::ResetType::OneShot, "IUser:ActivateEvent");
         deactivate_event =
-            Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IUser:DeactivateEvent");
-        availability_change_event = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot,
-                                                          "IUser:AvailabilityChangeEvent");
+            Kernel::Event::Create(Kernel::ResetType::OneShot, "IUser:DeactivateEvent");
+        availability_change_event =
+            Kernel::Event::Create(Kernel::ResetType::OneShot, "IUser:AvailabilityChangeEvent");
     }
 
 private:

src/core/hle/service/nifm/nifm.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "core/core.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/service/nifm/nifm.h"
@@ -55,9 +54,8 @@ public:
         };
         RegisterHandlers(functions);
 
-        auto& kernel = Core::System::GetInstance().Kernel();
-        event1 = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IRequest:Event1");
-        event2 = Kernel::Event::Create(kernel, Kernel::ResetType::OneShot, "IRequest:Event2");
+        event1 = Kernel::Event::Create(Kernel::ResetType::OneShot, "IRequest:Event1");
+        event2 = Kernel::Event::Create(Kernel::ResetType::OneShot, "IRequest:Event2");
     }
 
 private:

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

@@ -5,9 +5,7 @@
 #include "common/common_paths.h"
 #include "common/file_util.h"
 #include "core/core.h"
-#include "core/file_sys/content_archive.h"
-#include "core/file_sys/nca_metadata.h"
-#include "core/file_sys/registered_cache.h"
+#include "core/file_sys/bis_factory.h"
 #include "core/file_sys/romfs.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/service/filesystem/filesystem.h"
@@ -268,9 +266,8 @@ void PL_U::GetSharedMemoryNativeHandle(Kernel::HLERequestContext& ctx) {
         SHARED_FONT_MEM_VADDR, shared_font, 0, SHARED_FONT_MEM_SIZE, Kernel::MemoryState::Shared);
 
     // Create shared font memory object
-    auto& kernel = Core::System::GetInstance().Kernel();
     shared_font_mem = Kernel::SharedMemory::Create(
-        kernel, Core::CurrentProcess(), SHARED_FONT_MEM_SIZE, Kernel::MemoryPermission::ReadWrite,
+        Core::CurrentProcess(), SHARED_FONT_MEM_SIZE, Kernel::MemoryPermission::ReadWrite,
         Kernel::MemoryPermission::Read, SHARED_FONT_MEM_VADDR, Kernel::MemoryRegion::BASE,
         "PL_U:shared_font_mem");
 

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

@@ -7,7 +7,6 @@
 #include "core/core.h"
 #include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
 #include "core/hle/service/nvdrv/devices/nvmap.h"
-#include "core/perf_stats.h"
 #include "video_core/gpu.h"
 #include "video_core/renderer_base.h"
 
@@ -32,7 +31,7 @@ void nvdisp_disp0::flip(u32 buffer_handle, u32 offset, u32 format, u32 width, u3
         transform, crop_rect};
 
     auto& instance = Core::System::GetInstance();
-    instance.GetPerfStats().EndGameFrame();
+    instance.perf_stats.EndGameFrame();
     instance.Renderer().SwapBuffers(framebuffer);
 }
 

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

@@ -10,7 +10,6 @@
 #include "common/common_types.h"
 #include "common/swap.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
-#include "video_core/memory_manager.h"
 
 namespace Service::Nvidia::Devices {