Optimize CallMethodMaxwell3D

.gitmodules

@@ -40,9 +40,3 @@
 [submodule "Vulkan-Headers"]
     path = externals/Vulkan-Headers
     url = https://github.com/KhronosGroup/Vulkan-Headers.git
-[submodule "externals/zstd"]
-    path = externals/zstd
-    url = https://github.com/facebook/zstd
-[submodule "sirit"]
-    path = externals/sirit
-    url = https://github.com/ReinUsesLisp/sirit

.travis.yml

@@ -24,7 +24,7 @@ matrix:
     - os: osx
       env: NAME="macos build"
       sudo: false
-      osx_image: xcode10.2
+      osx_image: xcode10.1
       install: "./.travis/macos/deps.sh"
       script: "./.travis/macos/build.sh"
       after_success: "./.travis/macos/upload.sh"

.travis/linux-mingw/build.sh

@@ -1,3 +1,3 @@
 #!/bin/bash -ex
 mkdir "$HOME/.ccache" || true
-docker run --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu -v "$HOME/.ccache":/root/.ccache yuzuemu/build-environments:linux-mingw /bin/bash -ex /yuzu/.travis/linux-mingw/docker.sh
+docker run --env-file .travis/common/travis-ci.env -v $(pwd):/yuzu -v "$HOME/.ccache":/root/.ccache ubuntu:18.04 /bin/bash -ex /yuzu/.travis/linux-mingw/docker.sh

.travis/linux-mingw/deps.sh

@@ -1,3 +1,3 @@
 #!/bin/sh -ex
 
-docker pull yuzuemu/build-environments:linux-mingw
+docker pull ubuntu:18.04

.travis/linux-mingw/docker.sh

@@ -1,6 +1,16 @@
 #!/bin/bash -ex
 
 cd /yuzu
+MINGW_PACKAGES="sdl2-mingw-w64 qt5base-mingw-w64 qt5tools-mingw-w64 libsamplerate-mingw-w64 qt5multimedia-mingw-w64"
+apt-get update
+apt-get install -y gpg wget git python3-pip python ccache g++-mingw-w64-x86-64 gcc-mingw-w64-x86-64 mingw-w64-tools cmake
+echo 'deb http://ppa.launchpad.net/tobydox/mingw-w64/ubuntu bionic main ' > /etc/apt/sources.list.d/extras.list
+apt-key adv --keyserver keyserver.ubuntu.com --recv '72931B477E22FEFD47F8DECE02FE5F12ADDE29B2'
+apt-get update
+apt-get install -y ${MINGW_PACKAGES}
+
+# fix a problem in current MinGW headers
+wget -q https://raw.githubusercontent.com/Alexpux/mingw-w64/d0d7f784833bbb0b2d279310ddc6afb52fe47a46/mingw-w64-headers/crt/errno.h -O /usr/x86_64-w64-mingw32/include/errno.h
 # override Travis CI unreasonable ccache size
 echo 'max_size = 3.0G' > "$HOME/.ccache/ccache.conf"
 
@@ -13,8 +23,8 @@ echo '' >> /bin/cmd
 chmod +x /bin/cmd
 
 mkdir build && cd build
-cmake .. -G Ninja -DCMAKE_TOOLCHAIN_FILE="$(pwd)/../CMakeModules/MinGWCross.cmake" -DUSE_CCACHE=ON -DYUZU_USE_BUNDLED_UNICORN=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DCMAKE_BUILD_TYPE=Release
-ninja
+cmake .. -DCMAKE_TOOLCHAIN_FILE="$(pwd)/../CMakeModules/MinGWCross.cmake" -DUSE_CCACHE=ON -DYUZU_USE_BUNDLED_UNICORN=ON -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DCMAKE_BUILD_TYPE=Release
+make -j4
 
 # Clean up the dirty hacks
 rm /bin/uname && mv /bin/uname1 /bin/uname

.travis/linux/build.sh

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

.travis/linux/deps.sh

@@ -1,3 +1,3 @@
 #!/bin/sh -ex
 
-docker pull yuzuemu/build-environments:linux-fresh
+docker pull ubuntu:18.04

.travis/linux/docker.sh

@@ -1,9 +1,12 @@
 #!/bin/bash -ex
 
+apt-get update
+apt-get install --no-install-recommends -y build-essential git libqt5opengl5-dev libsdl2-dev libssl-dev python qtbase5-dev qtwebengine5-dev wget cmake ninja-build ccache
+
 cd /yuzu
 
 mkdir build && cd build
-cmake .. -G Ninja -DYUZU_USE_BUNDLED_UNICORN=ON -DYUZU_USE_QT_WEB_ENGINE=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/lib/ccache/gcc -DCMAKE_CXX_COMPILER=/usr/lib/ccache/g++ -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${ENABLE_COMPATIBILITY_REPORTING:-"OFF"} -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DUSE_DISCORD_PRESENCE=ON
+cmake .. -DYUZU_USE_BUNDLED_UNICORN=ON -DYUZU_USE_QT_WEB_ENGINE=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/lib/ccache/gcc -DCMAKE_CXX_COMPILER=/usr/lib/ccache/g++ -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${ENABLE_COMPATIBILITY_REPORTING:-"OFF"} -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DUSE_DISCORD_PRESENCE=ON -G Ninja
 ninja
 
 ccache -s

.travis/macos/build.sh

@@ -7,7 +7,6 @@ export Qt5_DIR=$(brew --prefix)/opt/qt5
 export UNICORNDIR=$(pwd)/externals/unicorn
 export PATH="/usr/local/opt/ccache/libexec:$PATH"
 
-# TODO: Build using ninja instead of make
 mkdir build && cd build
 cmake --version
 cmake .. -DYUZU_USE_BUNDLED_UNICORN=ON -DYUZU_USE_QT_WEB_ENGINE=ON -DCMAKE_BUILD_TYPE=Release -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON -DYUZU_ENABLE_COMPATIBILITY_REPORTING=${ENABLE_COMPATIBILITY_REPORTING:-"OFF"} -DUSE_DISCORD_PRESENCE=ON

.travis/macos/deps.sh

@@ -1,6 +1,5 @@
 #!/bin/sh -ex
 
 brew update
-brew install p7zip qt5 sdl2 ccache
+brew install dylibbundler p7zip qt5 sdl2 ccache
 brew outdated cmake || brew upgrade cmake
-pip3 install macpack

.travis/macos/upload.sh

@@ -11,18 +11,100 @@ mkdir "$REV_NAME"
 cp build/bin/yuzu-cmd "$REV_NAME"
 cp -r build/bin/yuzu.app "$REV_NAME"
 
-# move libs into folder for deployment
-macpack "${REV_NAME}/yuzu.app/Contents/MacOS/yuzu" -d "../Frameworks"
-# move qt frameworks into app bundle for deployment
-$(brew --prefix)/opt/qt5/bin/macdeployqt "${REV_NAME}/yuzu.app" -executable="${REV_NAME}/yuzu.app/Contents/MacOS/yuzu"
+# move qt libs into app bundle for deployment
+$(brew --prefix)/opt/qt5/bin/macdeployqt "${REV_NAME}/yuzu.app"
 
-# move libs into folder for deployment
-macpack "${REV_NAME}/yuzu-cmd" -d "libs"
+# move SDL2 libs into folder for deployment
+dylibbundler -b -x "${REV_NAME}/yuzu-cmd" -cd -d "${REV_NAME}/libs" -p "@executable_path/libs/"
+
+# Make the changes to make the yuzu app standalone (i.e. not dependent on the current brew installation).
+# To do this, the absolute references to each and every QT framework must be re-written to point to the local frameworks
+# (in the Contents/Frameworks folder).
+# The "install_name_tool" is used to do so.
+
+# Coreutils is a hack to coerce Homebrew to point to the absolute Cellar path (symlink dereferenced). i.e:
+# ls -l /usr/local/opt/qt5:: /usr/local/opt/qt5 -> ../Cellar/qt5/5.6.1-1
+# grealpath ../Cellar/qt5/5.6.1-1:: /usr/local/Cellar/qt5/5.6.1-1
+brew install coreutils || brew upgrade coreutils || true
+
+REV_NAME_ALT=$REV_NAME/
+# grealpath is located in coreutils, there is no "realpath" for OS X :(
+QT_BREWS_PATH=$(grealpath "$(brew --prefix qt5)")
+BREW_PATH=$(brew --prefix)
+QT_VERSION_NUM=5
+
+$BREW_PATH/opt/qt5/bin/macdeployqt "${REV_NAME_ALT}yuzu.app" \
+    -executable="${REV_NAME_ALT}yuzu.app/Contents/MacOS/yuzu"
+
+# These are the files that macdeployqt packed into Contents/Frameworks/ - we don't want those, so we replace them.
+declare -a macos_libs=("QtCore" "QtWidgets" "QtGui" "QtOpenGL" "QtPrintSupport")
+
+for macos_lib in "${macos_libs[@]}"
+do
+    SC_FRAMEWORK_PART=$macos_lib.framework/Versions/$QT_VERSION_NUM/$macos_lib
+    # Replace macdeployqt versions of the Frameworks with our own (from /usr/local/opt/qt5/lib/)
+    cp "$BREW_PATH/opt/qt5/lib/$SC_FRAMEWORK_PART" "${REV_NAME_ALT}yuzu.app/Contents/Frameworks/$SC_FRAMEWORK_PART"
+
+    # Replace references within the embedded Framework files with "internal" versions.
+    for macos_lib2 in "${macos_libs[@]}"
+    do
+        # Since brew references both the non-symlinked and symlink paths of QT5, it needs to be duplicated.
+        # /usr/local/Cellar/qt5/5.6.1-1/lib and /usr/local/opt/qt5/lib both resolve to the same files.
+        # So the two lines below are effectively duplicates when resolved as a path, but as strings, they aren't.
+        RM_FRAMEWORK_PART=$macos_lib2.framework/Versions/$QT_VERSION_NUM/$macos_lib2
+        install_name_tool -change \
+            $QT_BREWS_PATH/lib/$RM_FRAMEWORK_PART \
+            @executable_path/../Frameworks/$RM_FRAMEWORK_PART \
+            "${REV_NAME_ALT}yuzu.app/Contents/Frameworks/$SC_FRAMEWORK_PART"
+        install_name_tool -change \
+            "$BREW_PATH/opt/qt5/lib/$RM_FRAMEWORK_PART" \
+            @executable_path/../Frameworks/$RM_FRAMEWORK_PART \
+            "${REV_NAME_ALT}yuzu.app/Contents/Frameworks/$SC_FRAMEWORK_PART"
+    done
+done
+
+# Handles `This application failed to start because it could not find or load the Qt platform plugin "cocoa"`
+# Which manifests itself as:
+# "Exception Type: EXC_CRASH (SIGABRT) | Exception Codes: 0x0000000000000000, 0x0000000000000000 | Exception Note: EXC_CORPSE_NOTIFY"
+# There may be more dylibs needed to be fixed...
+declare -a macos_plugins=("Plugins/platforms/libqcocoa.dylib")
+
+for macos_lib in "${macos_plugins[@]}"
+do
+    install_name_tool -id @executable_path/../$macos_lib "${REV_NAME_ALT}yuzu.app/Contents/$macos_lib"
+    for macos_lib2 in "${macos_libs[@]}"
+    do
+        RM_FRAMEWORK_PART=$macos_lib2.framework/Versions/$QT_VERSION_NUM/$macos_lib2
+        install_name_tool -change \
+            $QT_BREWS_PATH/lib/$RM_FRAMEWORK_PART \
+            @executable_path/../Frameworks/$RM_FRAMEWORK_PART \
+            "${REV_NAME_ALT}yuzu.app/Contents/$macos_lib"
+        install_name_tool -change \
+            "$BREW_PATH/opt/qt5/lib/$RM_FRAMEWORK_PART" \
+            @executable_path/../Frameworks/$RM_FRAMEWORK_PART \
+            "${REV_NAME_ALT}yuzu.app/Contents/$macos_lib"
+    done
+done
+
+for macos_lib in "${macos_libs[@]}"
+do
+    # Debugging info for Travis-CI
+    otool -L "${REV_NAME_ALT}yuzu.app/Contents/Frameworks/$macos_lib.framework/Versions/$QT_VERSION_NUM/$macos_lib"
+done
+
+# Make the yuzu.app application launch a debugging terminal.
+# Store away the actual binary
+mv ${REV_NAME_ALT}yuzu.app/Contents/MacOS/yuzu ${REV_NAME_ALT}yuzu.app/Contents/MacOS/yuzu-bin
+
+cat > ${REV_NAME_ALT}yuzu.app/Contents/MacOS/yuzu <<EOL
+#!/usr/bin/env bash
+cd "\`dirname "\$0"\`"
+chmod +x yuzu-bin
+open yuzu-bin --args "\$@"
+EOL
+# Content that will serve as the launching script for yuzu (within the .app folder)
 
 # Make the launching script executable
-chmod +x ${REV_NAME}/yuzu.app/Contents/MacOS/yuzu
-
-# Verify loader instructions
-find "$REV_NAME" -exec otool -L {} \;
+chmod +x ${REV_NAME_ALT}yuzu.app/Contents/MacOS/yuzu
 
 . .travis/common/post-upload.sh

CMakeLists.txt

@@ -132,7 +132,7 @@ find_package(Threads REQUIRED)
 if (ENABLE_SDL2)
     if (YUZU_USE_BUNDLED_SDL2)
         # Detect toolchain and platform
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
+        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
             set(SDL2_VER "SDL2-2.0.8")
         else()
             message(FATAL_ERROR "No bundled SDL2 binaries for your toolchain. Disable YUZU_USE_BUNDLED_SDL2 and provide your own.")
@@ -165,7 +165,7 @@ if (YUZU_USE_BUNDLED_UNICORN)
     if (MSVC)
         message(STATUS "unicorn not found, falling back to bundled")
         # Detect toolchain and platform
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
+        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
             set(UNICORN_VER "unicorn-yuzu")
         else()
             message(FATAL_ERROR "No bundled Unicorn binaries for your toolchain. Disable YUZU_USE_BUNDLED_UNICORN and provide your own.")
@@ -233,7 +233,7 @@ endif()
 
 if (ENABLE_QT)
     if (YUZU_USE_BUNDLED_QT)
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
+        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1920) AND ARCHITECTURE_x86_64)
             set(QT_VER qt-5.12.0-msvc2017_64)
         else()
             message(FATAL_ERROR "No bundled Qt binaries for your toolchain. Disable YUZU_USE_BUNDLED_QT and provide your own.")
@@ -309,7 +309,7 @@ if (CLANG_FORMAT)
     set(CCOMMENT "Running clang format against all the .h and .cpp files in src/")
     if (WIN32)
         add_custom_target(clang-format
-            COMMAND powershell.exe -Command "Get-ChildItem '${SRCS}/*' -Include *.cpp,*.h -Recurse | Foreach {&'${CLANG_FORMAT}' -i $_.fullname}"
+            COMMAND powershell.exe -Command "Get-ChildItem ${SRCS}/* -Include *.cpp,*.h -Recurse | Foreach {${CLANG_FORMAT} -i $_.fullname}"
             COMMENT ${CCOMMENT})
     elseif(MINGW)
         add_custom_target(clang-format

CMakeModules/GenerateSCMRev.cmake

@@ -19,7 +19,7 @@ set(BUILD_VERSION "0")
 if (BUILD_REPOSITORY)
   # regex capture the string nightly or canary into CMAKE_MATCH_1
   string(REGEX MATCH "yuzu-emu/yuzu-?(.*)" OUTVAR ${BUILD_REPOSITORY})
-  if ("${CMAKE_MATCH_COUNT}" GREATER 0)
+  if (${CMAKE_MATCH_COUNT} GREATER 0)
     # capitalize the first letter of each word in the repo name.
     string(REPLACE "-" ";" REPO_NAME_LIST ${CMAKE_MATCH_1})
     foreach(WORD ${REPO_NAME_LIST})

README.md

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

externals/CMakeLists.txt

@@ -7,10 +7,6 @@ include(DownloadExternals)
 add_library(catch-single-include INTERFACE)
 target_include_directories(catch-single-include INTERFACE catch/single_include)
 
-# libfmt
-add_subdirectory(fmt)
-add_library(fmt::fmt ALIAS fmt)
-
 # Dynarmic
 if (ARCHITECTURE_x86_64)
     set(DYNARMIC_TESTS OFF)
@@ -18,6 +14,10 @@ if (ARCHITECTURE_x86_64)
     add_subdirectory(dynarmic)
 endif()
 
+# libfmt
+add_subdirectory(fmt)
+add_library(fmt::fmt ALIAS fmt)
+
 # getopt
 if (MSVC)
     add_subdirectory(getopt)
@@ -49,10 +49,6 @@ add_subdirectory(open_source_archives EXCLUDE_FROM_ALL)
 add_library(unicorn-headers INTERFACE)
 target_include_directories(unicorn-headers INTERFACE ./unicorn/include)
 
-# Zstandard
-add_subdirectory(zstd/build/cmake EXCLUDE_FROM_ALL)
-target_include_directories(libzstd_static INTERFACE ./zstd/lib)
-
 # SoundTouch
 add_subdirectory(soundtouch)
 
@@ -72,11 +68,6 @@ if (USE_DISCORD_PRESENCE)
     target_include_directories(discord-rpc INTERFACE ./discord-rpc/include)
 endif()
 
-# Sirit
-if (ENABLE_VULKAN)
-    add_subdirectory(sirit)
-endif()
-
 if (ENABLE_WEB_SERVICE)
     # LibreSSL
     set(LIBRESSL_SKIP_INSTALL ON CACHE BOOL "")

externals/glad/include/KHR/khrplatform.h

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

src/CMakeLists.txt

@@ -18,32 +18,15 @@ if (MSVC)
     # Avoid windows.h from including some usually unused libs like winsocks.h, since this might cause some redefinition errors.
     add_definitions(-DWIN32_LEAN_AND_MEAN)
 
-    # Ensure that projects build with Unicode support.
-    add_definitions(-DUNICODE -D_UNICODE)
-
-    # /W3                 - Level 3 warnings
-    # /MP                 - Multi-threaded compilation
-    # /Zi                 - Output debugging information
-    # /Zo                 - Enhanced debug info for optimized builds
-    # /permissive-        - Enables stricter C++ standards conformance checks
-    # /EHsc               - C++-only exception handling semantics
-    # /volatile:iso       - Use strict standards-compliant volatile semantics.
-    # /Zc:externConstexpr - Allow extern constexpr variables to have external linkage, like the standard mandates
-    # /Zc:inline          - Let codegen omit inline functions in object files
-    # /Zc:throwingNew     - Let codegen assume `operator new` (without std::nothrow) will never return null
-    add_compile_options(
-        /W3
-        /MP
-        /Zi
-        /Zo
-        /permissive-
-        /EHsc
-        /std:c++latest
-        /volatile:iso
-        /Zc:externConstexpr
-        /Zc:inline
-        /Zc:throwingNew
-    )
+    # /W3 - Level 3 warnings
+    # /MP - Multi-threaded compilation
+    # /Zi - Output debugging information
+    # /Zo - enhanced debug info for optimized builds
+    # /permissive- - enables stricter C++ standards conformance checks
+    # /EHsc - C++-only exception handling semantics
+    # /Zc:throwingNew - let codegen assume `operator new` will never return null
+    # /Zc:inline - let codegen omit inline functions in object files
+    add_compile_options(/W3 /MP /Zi /Zo /permissive- /EHsc /std:c++latest /Zc:throwingNew,inline)
 
     # /GS- - No stack buffer overflow checks
     add_compile_options("$<$<CONFIG:Release>:/GS->")
@@ -51,10 +34,7 @@ if (MSVC)
     set(CMAKE_EXE_LINKER_FLAGS_DEBUG   "/DEBUG /MANIFEST:NO" CACHE STRING "" FORCE)
     set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/DEBUG /MANIFEST:NO /INCREMENTAL:NO /OPT:REF,ICF" CACHE STRING "" FORCE)
 else()
-    add_compile_options(
-        -Wall
-        -Wno-attributes
-    )
+    add_compile_options("-Wno-attributes")
 
     if (APPLE AND CMAKE_CXX_COMPILER_ID STREQUAL Clang)
         add_compile_options("-stdlib=libc++")

src/audio_core/stream.cpp

@@ -57,9 +57,7 @@ Stream::State Stream::GetState() const {
 
 s64 Stream::GetBufferReleaseCycles(const Buffer& buffer) const {
     const std::size_t num_samples{buffer.GetSamples().size() / GetNumChannels()};
-    const auto us =
-        std::chrono::microseconds((static_cast<u64>(num_samples) * 1000000) / sample_rate);
-    return Core::Timing::usToCycles(us);
+    return Core::Timing::usToCycles((static_cast<u64>(num_samples) * 1000000) / sample_rate);
 }
 
 static void VolumeAdjustSamples(std::vector<s16>& samples) {

src/common/CMakeLists.txt

@@ -91,8 +91,6 @@ add_library(common STATIC
     logging/log.h
     logging/text_formatter.cpp
     logging/text_formatter.h
-    lz4_compression.cpp
-    lz4_compression.h
     math_util.h
     memory_hook.cpp
     memory_hook.h
@@ -123,12 +121,8 @@ add_library(common STATIC
     timer.h
     uint128.cpp
     uint128.h
-    uuid.cpp
-    uuid.h
     vector_math.h
     web_result.h
-    zstd_compression.cpp
-    zstd_compression.h
 )
 
 if(ARCHITECTURE_x86_64)
@@ -142,4 +136,3 @@ endif()
 create_target_directory_groups(common)
 
 target_link_libraries(common PUBLIC Boost::boost fmt microprofile)
-target_link_libraries(common PRIVATE lz4_static libzstd_static)

src/common/assert.h

@@ -57,21 +57,3 @@ __declspec(noinline, noreturn)
 
 #define UNIMPLEMENTED_IF(cond) ASSERT_MSG(!(cond), "Unimplemented code!")
 #define UNIMPLEMENTED_IF_MSG(cond, ...) ASSERT_MSG(!(cond), __VA_ARGS__)
-
-// If the assert is ignored, execute _b_
-#define ASSERT_OR_EXECUTE(_a_, _b_)                                                                \
-    do {                                                                                           \
-        ASSERT(_a_);                                                                               \
-        if (!(_a_)) {                                                                              \
-            _b_                                                                                    \
-        }                                                                                          \
-    } while (0)
-
-// If the assert is ignored, execute _b_
-#define ASSERT_OR_EXECUTE_MSG(_a_, _b_, ...)                                                       \
-    do {                                                                                           \
-        ASSERT_MSG(_a_, __VA_ARGS__);                                                              \
-        if (!(_a_)) {                                                                              \
-            _b_                                                                                    \
-        }                                                                                          \
-    } while (0)

src/common/bit_util.h

@@ -32,7 +32,7 @@ inline u32 CountLeadingZeroes32(u32 value) {
     return 32;
 }
 
-inline u32 CountLeadingZeroes64(u64 value) {
+inline u64 CountLeadingZeroes64(u64 value) {
     unsigned long leading_zero = 0;
 
     if (_BitScanReverse64(&leading_zero, value) != 0) {
@@ -47,15 +47,15 @@ inline u32 CountLeadingZeroes32(u32 value) {
         return 32;
     }
 
-    return static_cast<u32>(__builtin_clz(value));
+    return __builtin_clz(value);
 }
 
-inline u32 CountLeadingZeroes64(u64 value) {
+inline u64 CountLeadingZeroes64(u64 value) {
     if (value == 0) {
         return 64;
     }
 
-    return static_cast<u32>(__builtin_clzll(value));
+    return __builtin_clzll(value);
 }
 #endif
 
@@ -70,7 +70,7 @@ inline u32 CountTrailingZeroes32(u32 value) {
     return 32;
 }
 
-inline u32 CountTrailingZeroes64(u64 value) {
+inline u64 CountTrailingZeroes64(u64 value) {
     unsigned long trailing_zero = 0;
 
     if (_BitScanForward64(&trailing_zero, value) != 0) {
@@ -85,15 +85,15 @@ inline u32 CountTrailingZeroes32(u32 value) {
         return 32;
     }
 
-    return static_cast<u32>(__builtin_ctz(value));
+    return __builtin_ctz(value);
 }
 
-inline u32 CountTrailingZeroes64(u64 value) {
+inline u64 CountTrailingZeroes64(u64 value) {
     if (value == 0) {
         return 64;
     }
 
-    return static_cast<u32>(__builtin_ctzll(value));
+    return __builtin_ctzll(value);
 }
 #endif
 

src/common/detached_tasks.cpp

@@ -16,22 +16,22 @@ DetachedTasks::DetachedTasks() {
 }
 
 void DetachedTasks::WaitForAllTasks() {
-    std::unique_lock lock{mutex};
+    std::unique_lock<std::mutex> lock(mutex);
     cv.wait(lock, [this]() { return count == 0; });
 }
 
 DetachedTasks::~DetachedTasks() {
-    std::unique_lock lock{mutex};
+    std::unique_lock<std::mutex> lock(mutex);
     ASSERT(count == 0);
     instance = nullptr;
 }
 
 void DetachedTasks::AddTask(std::function<void()> task) {
-    std::unique_lock lock{instance->mutex};
+    std::unique_lock<std::mutex> lock(instance->mutex);
     ++instance->count;
     std::thread([task{std::move(task)}]() {
         task();
-        std::unique_lock lock{instance->mutex};
+        std::unique_lock<std::mutex> lock(instance->mutex);
         --instance->count;
         std::notify_all_at_thread_exit(instance->cv, std::move(lock));
     })

src/common/file_util.cpp

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

src/common/file_util.h

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

src/common/logging/backend.cpp

@@ -46,12 +46,12 @@ public:
     }
 
     void AddBackend(std::unique_ptr<Backend> backend) {
-        std::lock_guard lock{writing_mutex};
+        std::lock_guard<std::mutex> lock(writing_mutex);
         backends.push_back(std::move(backend));
     }
 
     void RemoveBackend(std::string_view backend_name) {
-        std::lock_guard lock{writing_mutex};
+        std::lock_guard<std::mutex> lock(writing_mutex);
         const auto it =
             std::remove_if(backends.begin(), backends.end(),
                            [&backend_name](const auto& i) { return backend_name == i->GetName(); });
@@ -80,7 +80,7 @@ private:
         backend_thread = std::thread([&] {
             Entry entry;
             auto write_logs = [&](Entry& e) {
-                std::lock_guard lock{writing_mutex};
+                std::lock_guard<std::mutex> lock(writing_mutex);
                 for (const auto& backend : backends) {
                     backend->Write(e);
                 }

src/common/lz4_compression.cpp

@@ -1,76 +0,0 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <lz4hc.h>
-
-#include "common/assert.h"
-#include "common/lz4_compression.h"
-
-namespace Common::Compression {
-
-std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size) {
-    ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
-
-    const auto source_size_int = static_cast<int>(source_size);
-    const int max_compressed_size = LZ4_compressBound(source_size_int);
-    std::vector<u8> compressed(max_compressed_size);
-
-    const int compressed_size = LZ4_compress_default(reinterpret_cast<const char*>(source),
-                                                     reinterpret_cast<char*>(compressed.data()),
-                                                     source_size_int, max_compressed_size);
-
-    if (compressed_size <= 0) {
-        // Compression failed
-        return {};
-    }
-
-    compressed.resize(compressed_size);
-
-    return compressed;
-}
-
-std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size,
-                                  s32 compression_level) {
-    ASSERT_MSG(source_size <= LZ4_MAX_INPUT_SIZE, "Source size exceeds LZ4 maximum input size");
-
-    compression_level = std::clamp(compression_level, LZ4HC_CLEVEL_MIN, LZ4HC_CLEVEL_MAX);
-
-    const auto source_size_int = static_cast<int>(source_size);
-    const int max_compressed_size = LZ4_compressBound(source_size_int);
-    std::vector<u8> compressed(max_compressed_size);
-
-    const int compressed_size = LZ4_compress_HC(
-        reinterpret_cast<const char*>(source), reinterpret_cast<char*>(compressed.data()),
-        source_size_int, max_compressed_size, compression_level);
-
-    if (compressed_size <= 0) {
-        // Compression failed
-        return {};
-    }
-
-    compressed.resize(compressed_size);
-
-    return compressed;
-}
-
-std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size) {
-    return CompressDataLZ4HC(source, source_size, LZ4HC_CLEVEL_MAX);
-}
-
-std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed,
-                                  std::size_t uncompressed_size) {
-    std::vector<u8> uncompressed(uncompressed_size);
-    const int size_check = LZ4_decompress_safe(reinterpret_cast<const char*>(compressed.data()),
-                                               reinterpret_cast<char*>(uncompressed.data()),
-                                               static_cast<int>(compressed.size()),
-                                               static_cast<int>(uncompressed.size()));
-    if (static_cast<int>(uncompressed_size) != size_check) {
-        // Decompression failed
-        return {};
-    }
-    return uncompressed;
-}
-
-} // namespace Common::Compression

src/common/lz4_compression.h

@@ -1,57 +0,0 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <vector>
-
-#include "common/common_types.h"
-
-namespace Common::Compression {
-
-/**
- * Compresses a source memory region with LZ4 and returns the compressed data in a vector.
- *
- * @param source the uncompressed source memory region.
- * @param source_size the size in bytes of the uncompressed source memory region.
- *
- * @return the compressed data.
- */
-std::vector<u8> CompressDataLZ4(const u8* source, std::size_t source_size);
-
-/**
- * Utilizes the LZ4 subalgorithm LZ4HC with the specified compression level. Higher compression
- * levels result in a smaller compressed size, but require more CPU time for compression. The
- * compression level has almost no impact on decompression speed. Data compressed with LZ4HC can
- * also be decompressed with the default LZ4 decompression.
- *
- * @param source the uncompressed source memory region.
- * @param source_size the size in bytes of the uncompressed source memory region.
- * @param compression_level the used compression level. Should be between 3 and 12.
- *
- * @return the compressed data.
- */
-std::vector<u8> CompressDataLZ4HC(const u8* source, std::size_t source_size, s32 compression_level);
-
-/**
- * Utilizes the LZ4 subalgorithm LZ4HC with the highest possible compression level.
- *
- * @param source the uncompressed source memory region.
- * @param source_size the size in bytes of the uncompressed source memory region.
- *
- * @return the compressed data.
- */
-std::vector<u8> CompressDataLZ4HCMax(const u8* source, std::size_t source_size);
-
-/**
- * Decompresses a source memory region with LZ4 and returns the uncompressed data in a vector.
- *
- * @param compressed the compressed source memory region.
- * @param uncompressed_size the size in bytes of the uncompressed data.
- *
- * @return the decompressed data.
- */
-std::vector<u8> DecompressDataLZ4(const std::vector<u8>& compressed, std::size_t uncompressed_size);
-
-} // namespace Common::Compression

src/common/math_util.h

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

src/common/multi_level_queue.h

@@ -72,7 +72,7 @@ public:
                 u64 prios = mlq.used_priorities;
                 prios &= ~((1ULL << (current_priority + 1)) - 1);
                 if (prios == 0) {
-                    current_priority = static_cast<u32>(mlq.depth());
+                    current_priority = mlq.depth();
                 } else {
                     current_priority = CountTrailingZeroes64(prios);
                     it = GetBeginItForPrio();

src/common/scope_exit.h

@@ -20,7 +20,7 @@ struct ScopeExitHelper {
 
 template <typename Func>
 ScopeExitHelper<Func> ScopeExit(Func&& func) {
-    return ScopeExitHelper<Func>(std::forward<Func>(func));
+    return ScopeExitHelper<Func>(std::move(func));
 }
 } // namespace detail
 

src/common/swap.h

@@ -21,6 +21,11 @@
 
 #if defined(_MSC_VER)
 #include <cstdlib>
+#elif defined(__linux__)
+#include <byteswap.h>
+#elif defined(__Bitrig__) || defined(__DragonFly__) || defined(__FreeBSD__) ||                     \
+    defined(__NetBSD__) || defined(__OpenBSD__)
+#include <sys/endian.h>
 #endif
 #include <cstring>
 #include "common/common_types.h"
@@ -57,49 +62,86 @@
 namespace Common {
 
 #ifdef _MSC_VER
-[[nodiscard]] inline u16 swap16(u16 data) noexcept {
-    return _byteswap_ushort(data);
+inline u16 swap16(u16 _data) {
+    return _byteswap_ushort(_data);
 }
-[[nodiscard]] inline u32 swap32(u32 data) noexcept {
-    return _byteswap_ulong(data);
+inline u32 swap32(u32 _data) {
+    return _byteswap_ulong(_data);
 }
-[[nodiscard]] inline u64 swap64(u64 data) noexcept {
-    return _byteswap_uint64(data);
+inline u64 swap64(u64 _data) {
+    return _byteswap_uint64(_data);
 }
-#elif defined(__clang__) || defined(__GNUC__)
-#if defined(__Bitrig__) || defined(__OpenBSD__)
+#elif defined(ARCHITECTURE_ARM) && (__ARM_ARCH >= 6)
+inline u16 swap16(u16 _data) {
+    u32 data = _data;
+    __asm__("rev16 %0, %1\n" : "=l"(data) : "l"(data));
+    return (u16)data;
+}
+inline u32 swap32(u32 _data) {
+    __asm__("rev %0, %1\n" : "=l"(_data) : "l"(_data));
+    return _data;
+}
+inline u64 swap64(u64 _data) {
+    return ((u64)swap32(_data) << 32) | swap32(_data >> 32);
+}
+#elif __linux__
+inline u16 swap16(u16 _data) {
+    return bswap_16(_data);
+}
+inline u32 swap32(u32 _data) {
+    return bswap_32(_data);
+}
+inline u64 swap64(u64 _data) {
+    return bswap_64(_data);
+}
+#elif __APPLE__
+inline __attribute__((always_inline)) u16 swap16(u16 _data) {
+    return (_data >> 8) | (_data << 8);
+}
+inline __attribute__((always_inline)) u32 swap32(u32 _data) {
+    return __builtin_bswap32(_data);
+}
+inline __attribute__((always_inline)) u64 swap64(u64 _data) {
+    return __builtin_bswap64(_data);
+}
+#elif defined(__Bitrig__) || defined(__OpenBSD__)
 // redefine swap16, swap32, swap64 as inline functions
 #undef swap16
 #undef swap32
 #undef swap64
-#endif
-[[nodiscard]] inline u16 swap16(u16 data) noexcept {
-    return __builtin_bswap16(data);
+inline u16 swap16(u16 _data) {
+    return __swap16(_data);
 }
-[[nodiscard]] inline u32 swap32(u32 data) noexcept {
-    return __builtin_bswap32(data);
+inline u32 swap32(u32 _data) {
+    return __swap32(_data);
 }
-[[nodiscard]] inline u64 swap64(u64 data) noexcept {
-    return __builtin_bswap64(data);
+inline u64 swap64(u64 _data) {
+    return __swap64(_data);
+}
+#elif defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__)
+inline u16 swap16(u16 _data) {
+    return bswap16(_data);
+}
+inline u32 swap32(u32 _data) {
+    return bswap32(_data);
+}
+inline u64 swap64(u64 _data) {
+    return bswap64(_data);
 }
 #else
-// Generic implementation.
-[[nodiscard]] inline u16 swap16(u16 data) noexcept {
+// Slow generic implementation.
+inline u16 swap16(u16 data) {
     return (data >> 8) | (data << 8);
 }
-[[nodiscard]] inline u32 swap32(u32 data) noexcept {
-    return ((data & 0xFF000000U) >> 24) | ((data & 0x00FF0000U) >> 8) |
-           ((data & 0x0000FF00U) << 8) | ((data & 0x000000FFU) << 24);
+inline u32 swap32(u32 data) {
+    return (swap16(data) << 16) | swap16(data >> 16);
 }
-[[nodiscard]] inline u64 swap64(u64 data) noexcept {
-    return ((data & 0xFF00000000000000ULL) >> 56) | ((data & 0x00FF000000000000ULL) >> 40) |
-           ((data & 0x0000FF0000000000ULL) >> 24) | ((data & 0x000000FF00000000ULL) >> 8) |
-           ((data & 0x00000000FF000000ULL) << 8) | ((data & 0x0000000000FF0000ULL) << 24) |
-           ((data & 0x000000000000FF00ULL) << 40) | ((data & 0x00000000000000FFULL) << 56);
+inline u64 swap64(u64 data) {
+    return ((u64)swap32(data) << 32) | swap32(data >> 32);
 }
 #endif
 
-[[nodiscard]] inline float swapf(float f) noexcept {
+inline float swapf(float f) {
     static_assert(sizeof(u32) == sizeof(float), "float must be the same size as uint32_t.");
 
     u32 value;
@@ -111,7 +153,7 @@ namespace Common {
     return f;
 }
 
-[[nodiscard]] inline double swapd(double f) noexcept {
+inline double swapd(double f) {
     static_assert(sizeof(u64) == sizeof(double), "double must be the same size as uint64_t.");
 
     u64 value;

src/common/thread.cpp

@@ -27,6 +27,18 @@ namespace Common {
 
 #ifdef _MSC_VER
 
+void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask) {
+    SetThreadAffinityMask(thread, mask);
+}
+
+void SetCurrentThreadAffinity(u32 mask) {
+    SetThreadAffinityMask(GetCurrentThread(), mask);
+}
+
+void SwitchCurrentThread() {
+    SwitchToThread();
+}
+
 // Sets the debugger-visible name of the current thread.
 // Uses undocumented (actually, it is now documented) trick.
 // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsdebug/html/vxtsksettingthreadname.asp
@@ -58,6 +70,31 @@ void SetCurrentThreadName(const char* name) {
 
 #else // !MSVC_VER, so must be POSIX threads
 
+void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask) {
+#ifdef __APPLE__
+    thread_policy_set(pthread_mach_thread_np(thread), THREAD_AFFINITY_POLICY, (integer_t*)&mask, 1);
+#elif (defined __linux__ || defined __FreeBSD__) && !(defined ANDROID)
+    cpu_set_t cpu_set;
+    CPU_ZERO(&cpu_set);
+
+    for (int i = 0; i != sizeof(mask) * 8; ++i)
+        if ((mask >> i) & 1)
+            CPU_SET(i, &cpu_set);
+
+    pthread_setaffinity_np(thread, sizeof(cpu_set), &cpu_set);
+#endif
+}
+
+void SetCurrentThreadAffinity(u32 mask) {
+    SetThreadAffinity(pthread_self(), mask);
+}
+
+#ifndef _WIN32
+void SwitchCurrentThread() {
+    usleep(1000 * 1);
+}
+#endif
+
 // MinGW with the POSIX threading model does not support pthread_setname_np
 #if !defined(_WIN32) || defined(_MSC_VER)
 void SetCurrentThreadName(const char* name) {

src/common/thread.h

@@ -9,13 +9,14 @@
 #include <cstddef>
 #include <mutex>
 #include <thread>
+#include "common/common_types.h"
 
 namespace Common {
 
 class Event {
 public:
     void Set() {
-        std::lock_guard lk{mutex};
+        std::lock_guard<std::mutex> lk(mutex);
         if (!is_set) {
             is_set = true;
             condvar.notify_one();
@@ -23,14 +24,14 @@ public:
     }
 
     void Wait() {
-        std::unique_lock lk{mutex};
+        std::unique_lock<std::mutex> lk(mutex);
         condvar.wait(lk, [&] { return is_set; });
         is_set = false;
     }
 
     template <class Clock, class Duration>
     bool WaitUntil(const std::chrono::time_point<Clock, Duration>& time) {
-        std::unique_lock lk{mutex};
+        std::unique_lock<std::mutex> lk(mutex);
         if (!condvar.wait_until(lk, time, [this] { return is_set; }))
             return false;
         is_set = false;
@@ -38,7 +39,7 @@ public:
     }
 
     void Reset() {
-        std::unique_lock lk{mutex};
+        std::unique_lock<std::mutex> lk(mutex);
         // no other action required, since wait loops on the predicate and any lingering signal will
         // get cleared on the first iteration
         is_set = false;
@@ -56,7 +57,7 @@ public:
 
     /// Blocks until all "count" threads have called Sync()
     void Sync() {
-        std::unique_lock lk{mutex};
+        std::unique_lock<std::mutex> lk(mutex);
         const std::size_t current_generation = generation;
 
         if (++waiting == count) {
@@ -77,6 +78,9 @@ private:
     std::size_t generation = 0; // Incremented once each time the barrier is used
 };
 
+void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask);
+void SetCurrentThreadAffinity(u32 mask);
+void SwitchCurrentThread(); // On Linux, this is equal to sleep 1ms
 void SetCurrentThreadName(const char* name);
 
 } // namespace Common

src/common/threadsafe_queue.h

@@ -78,7 +78,7 @@ public:
 
     T PopWait() {
         if (Empty()) {
-            std::unique_lock lock{cv_mutex};
+            std::unique_lock<std::mutex> lock(cv_mutex);
             cv.wait(lock, [this]() { return !Empty(); });
         }
         T t;
@@ -137,7 +137,7 @@ public:
 
     template <typename Arg>
     void Push(Arg&& t) {
-        std::lock_guard lock{write_lock};
+        std::lock_guard<std::mutex> lock(write_lock);
         spsc_queue.Push(t);
     }
 

src/common/uuid.cpp

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

src/common/uuid.h

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

src/common/zstd_compression.cpp

@@ -1,51 +0,0 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <zstd.h>
-
-#include "common/assert.h"
-#include "common/zstd_compression.h"
-
-namespace Common::Compression {
-
-std::vector<u8> CompressDataZSTD(const u8* source, std::size_t source_size, s32 compression_level) {
-    compression_level = std::clamp(compression_level, 1, ZSTD_maxCLevel());
-
-    const std::size_t max_compressed_size = ZSTD_compressBound(source_size);
-    std::vector<u8> compressed(max_compressed_size);
-
-    const std::size_t compressed_size =
-        ZSTD_compress(compressed.data(), compressed.size(), source, source_size, compression_level);
-
-    if (ZSTD_isError(compressed_size)) {
-        // Compression failed
-        return {};
-    }
-
-    compressed.resize(compressed_size);
-
-    return compressed;
-}
-
-std::vector<u8> CompressDataZSTDDefault(const u8* source, std::size_t source_size) {
-    return CompressDataZSTD(source, source_size, ZSTD_CLEVEL_DEFAULT);
-}
-
-std::vector<u8> DecompressDataZSTD(const std::vector<u8>& compressed) {
-    const std::size_t decompressed_size =
-        ZSTD_getDecompressedSize(compressed.data(), compressed.size());
-    std::vector<u8> decompressed(decompressed_size);
-
-    const std::size_t uncompressed_result_size = ZSTD_decompress(
-        decompressed.data(), decompressed.size(), compressed.data(), compressed.size());
-
-    if (decompressed_size != uncompressed_result_size || ZSTD_isError(uncompressed_result_size)) {
-        // Decompression failed
-        return {};
-    }
-    return decompressed;
-}
-
-} // namespace Common::Compression

src/common/zstd_compression.h

@@ -1,44 +0,0 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <vector>
-
-#include "common/common_types.h"
-
-namespace Common::Compression {
-
-/**
- * Compresses a source memory region with Zstandard and returns the compressed data in a vector.
- *
- * @param source the uncompressed source memory region.
- * @param source_size the size in bytes of the uncompressed source memory region.
- * @param compression_level the used compression level. Should be between 1 and 22.
- *
- * @return the compressed data.
- */
-std::vector<u8> CompressDataZSTD(const u8* source, std::size_t source_size, s32 compression_level);
-
-/**
- * Compresses a source memory region with Zstandard with the default compression level and returns
- * the compressed data in a vector.
- *
- * @param source the uncompressed source memory region.
- * @param source_size the size in bytes of the uncompressed source memory region.
- *
- * @return the compressed data.
- */
-std::vector<u8> CompressDataZSTDDefault(const u8* source, std::size_t source_size);
-
-/**
- * Decompresses a source memory region with Zstandard and returns the uncompressed data in a vector.
- *
- * @param compressed the compressed source memory region.
- *
- * @return the decompressed data.
- */
-std::vector<u8> DecompressDataZSTD(const std::vector<u8>& compressed);
-
-} // namespace Common::Compression

src/core/CMakeLists.txt

@@ -88,10 +88,6 @@ add_library(core STATIC
     file_sys/vfs_vector.h
     file_sys/xts_archive.cpp
     file_sys/xts_archive.h
-    frontend/applets/error.cpp
-    frontend/applets/error.h
-    frontend/applets/general_frontend.cpp
-    frontend/applets/general_frontend.h
     frontend/applets/profile_select.cpp
     frontend/applets/profile_select.h
     frontend/applets/software_keyboard.cpp
@@ -181,14 +177,12 @@ add_library(core STATIC
     hle/service/am/applet_oe.h
     hle/service/am/applets/applets.cpp
     hle/service/am/applets/applets.h
-    hle/service/am/applets/error.cpp
-    hle/service/am/applets/error.h
-    hle/service/am/applets/general_backend.cpp
-    hle/service/am/applets/general_backend.h
     hle/service/am/applets/profile_select.cpp
     hle/service/am/applets/profile_select.h
     hle/service/am/applets/software_keyboard.cpp
     hle/service/am/applets/software_keyboard.h
+    hle/service/am/applets/stub_applet.cpp
+    hle/service/am/applets/stub_applet.h
     hle/service/am/applets/web_browser.cpp
     hle/service/am/applets/web_browser.h
     hle/service/am/idle.cpp
@@ -310,8 +304,6 @@ add_library(core STATIC
     hle/service/mig/mig.h
     hle/service/mii/mii.cpp
     hle/service/mii/mii.h
-    hle/service/mii/mii_manager.cpp
-    hle/service/mii/mii_manager.h
     hle/service/mm/mm_u.cpp
     hle/service/mm/mm_u.h
     hle/service/ncm/ncm.cpp
@@ -328,9 +320,6 @@ add_library(core STATIC
     hle/service/nim/nim.h
     hle/service/npns/npns.cpp
     hle/service/npns/npns.h
-    hle/service/ns/errors.h
-    hle/service/ns/language.cpp
-    hle/service/ns/language.h
     hle/service/ns/ns.cpp
     hle/service/ns/ns.h
     hle/service/ns/pl_u.cpp
@@ -469,7 +458,7 @@ add_library(core STATIC
 create_target_directory_groups(core)
 
 target_link_libraries(core PUBLIC common PRIVATE audio_core video_core)
-target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt mbedtls opus unicorn open_source_archives)
+target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt lz4_static mbedtls opus unicorn open_source_archives)
 if (ENABLE_WEB_SERVICE)
     target_compile_definitions(core PRIVATE -DENABLE_WEB_SERVICE)
     target_link_libraries(core PRIVATE web_service)

src/core/arm/arm_interface.h

@@ -7,10 +7,6 @@
 #include <array>
 #include "common/common_types.h"
 
-namespace Common {
-struct PageTable;
-}
-
 namespace Kernel {
 enum class VMAPermission : u8;
 }
@@ -53,14 +49,8 @@ public:
     /// Clear all instruction cache
     virtual void ClearInstructionCache() = 0;
 
-    /// Notifies CPU emulation that the current page table has changed.
-    ///
-    /// @param new_page_table                 The new page table.
-    /// @param new_address_space_size_in_bits The new usable size of the address space in bits.
-    ///                                       This can be either 32, 36, or 39 on official software.
-    ///
-    virtual void PageTableChanged(Common::PageTable& new_page_table,
-                                  std::size_t new_address_space_size_in_bits) = 0;
+    /// Notify CPU emulation that page tables have changed
+    virtual void PageTableChanged() = 0;
 
     /**
      * Set the Program Counter to an address

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -26,6 +26,7 @@ using Vector = Dynarmic::A64::Vector;
 class ARM_Dynarmic_Callbacks : public Dynarmic::A64::UserCallbacks {
 public:
     explicit ARM_Dynarmic_Callbacks(ARM_Dynarmic& parent) : parent(parent) {}
+    ~ARM_Dynarmic_Callbacks() = default;
 
     u8 MemoryRead8(u64 vaddr) override {
         return Memory::Read8(vaddr);
@@ -99,7 +100,7 @@ public:
     }
 
     void CallSVC(u32 swi) override {
-        Kernel::CallSVC(parent.system, swi);
+        Kernel::CallSVC(swi);
     }
 
     void AddTicks(u64 ticks) override {
@@ -112,14 +113,14 @@ public:
         // Always execute at least one tick.
         amortized_ticks = std::max<u64>(amortized_ticks, 1);
 
-        parent.system.CoreTiming().AddTicks(amortized_ticks);
+        parent.core_timing.AddTicks(amortized_ticks);
         num_interpreted_instructions = 0;
     }
     u64 GetTicksRemaining() override {
-        return std::max(parent.system.CoreTiming().GetDowncount(), 0);
+        return std::max(parent.core_timing.GetDowncount(), 0);
     }
     u64 GetCNTPCT() override {
-        return Timing::CpuCyclesToClockCycles(parent.system.CoreTiming().GetTicks());
+        return Timing::CpuCyclesToClockCycles(parent.core_timing.GetTicks());
     }
 
     ARM_Dynarmic& parent;
@@ -128,16 +129,18 @@ public:
     u64 tpidr_el0 = 0;
 };
 
-std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit(Common::PageTable& page_table,
-                                                          std::size_t address_space_bits) const {
+std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() const {
+    auto* current_process = Core::CurrentProcess();
+    auto** const page_table = current_process->VMManager().page_table.pointers.data();
+
     Dynarmic::A64::UserConfig config;
 
     // Callbacks
     config.callbacks = cb.get();
 
     // Memory
-    config.page_table = reinterpret_cast<void**>(page_table.pointers.data());
-    config.page_table_address_space_bits = address_space_bits;
+    config.page_table = reinterpret_cast<void**>(page_table);
+    config.page_table_address_space_bits = current_process->VMManager().GetAddressSpaceWidth();
     config.silently_mirror_page_table = false;
 
     // Multi-process state
@@ -161,6 +164,7 @@ 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();
 }
@@ -169,11 +173,16 @@ void ARM_Dynarmic::Step() {
     cb->InterpreterFallback(jit->GetPC(), 1);
 }
 
-ARM_Dynarmic::ARM_Dynarmic(System& system, ExclusiveMonitor& exclusive_monitor,
+ARM_Dynarmic::ARM_Dynarmic(Timing::CoreTiming& core_timing, ExclusiveMonitor& exclusive_monitor,
                            std::size_t core_index)
-    : cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), inner_unicorn{system},
-      core_index{core_index}, system{system},
-      exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {}
+    : cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), inner_unicorn{core_timing},
+      core_index{core_index}, core_timing{core_timing},
+      exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor)} {
+    ThreadContext ctx{};
+    inner_unicorn.SaveContext(ctx);
+    PageTableChanged();
+    LoadContext(ctx);
+}
 
 ARM_Dynarmic::~ARM_Dynarmic() = default;
 
@@ -268,9 +277,9 @@ void ARM_Dynarmic::ClearExclusiveState() {
     jit->ClearExclusiveState();
 }
 
-void ARM_Dynarmic::PageTableChanged(Common::PageTable& page_table,
-                                    std::size_t new_address_space_size_in_bits) {
-    jit = MakeJit(page_table, new_address_space_size_in_bits);
+void ARM_Dynarmic::PageTableChanged() {
+    jit = MakeJit();
+    current_page_table = Memory::GetCurrentPageTable();
 }
 
 DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(std::size_t core_count) : monitor(core_count) {}

src/core/arm/dynarmic/arm_dynarmic.h

@@ -12,16 +12,24 @@
 #include "core/arm/exclusive_monitor.h"
 #include "core/arm/unicorn/arm_unicorn.h"
 
+namespace Common {
+struct PageTable;
+}
+
+namespace Core::Timing {
+class CoreTiming;
+}
+
 namespace Core {
 
 class ARM_Dynarmic_Callbacks;
 class DynarmicExclusiveMonitor;
-class System;
 
 class ARM_Dynarmic final : public ARM_Interface {
 public:
-    ARM_Dynarmic(System& system, ExclusiveMonitor& exclusive_monitor, std::size_t core_index);
-    ~ARM_Dynarmic() override;
+    ARM_Dynarmic(Timing::CoreTiming& core_timing, ExclusiveMonitor& exclusive_monitor,
+                 std::size_t core_index);
+    ~ARM_Dynarmic();
 
     void MapBackingMemory(VAddr address, std::size_t size, u8* memory,
                           Kernel::VMAPermission perms) override;
@@ -48,12 +56,10 @@ public:
     void ClearExclusiveState() override;
 
     void ClearInstructionCache() override;
-    void PageTableChanged(Common::PageTable& new_page_table,
-                          std::size_t new_address_space_size_in_bits) override;
+    void PageTableChanged() override;
 
 private:
-    std::unique_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable& page_table,
-                                                std::size_t address_space_bits) const;
+    std::unique_ptr<Dynarmic::A64::Jit> MakeJit() const;
 
     friend class ARM_Dynarmic_Callbacks;
     std::unique_ptr<ARM_Dynarmic_Callbacks> cb;
@@ -61,14 +67,16 @@ private:
     ARM_Unicorn inner_unicorn;
 
     std::size_t core_index;
-    System& system;
+    Timing::CoreTiming& core_timing;
     DynarmicExclusiveMonitor& exclusive_monitor;
+
+    Common::PageTable* current_page_table = nullptr;
 };
 
 class DynarmicExclusiveMonitor final : public ExclusiveMonitor {
 public:
     explicit DynarmicExclusiveMonitor(std::size_t core_count);
-    ~DynarmicExclusiveMonitor() override;
+    ~DynarmicExclusiveMonitor();
 
     void SetExclusive(std::size_t core_index, VAddr addr) override;
     void ClearExclusive() override;

src/core/arm/unicorn/arm_unicorn.cpp

@@ -10,6 +10,7 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/svc.h"
+#include "core/memory.h"
 
 namespace Core {
 
@@ -48,6 +49,20 @@ static void CodeHook(uc_engine* uc, uint64_t address, uint32_t size, void* user_
     }
 }
 
+static void InterruptHook(uc_engine* uc, u32 intNo, void* user_data) {
+    u32 esr{};
+    CHECKED(uc_reg_read(uc, UC_ARM64_REG_ESR, &esr));
+
+    auto ec = esr >> 26;
+    auto iss = esr & 0xFFFFFF;
+
+    switch (ec) {
+    case 0x15: // SVC
+        Kernel::CallSVC(iss);
+        break;
+    }
+}
+
 static bool UnmappedMemoryHook(uc_engine* uc, uc_mem_type type, u64 addr, int size, u64 value,
                                void* user_data) {
     ARM_Interface::ThreadContext ctx{};
@@ -57,7 +72,7 @@ static bool UnmappedMemoryHook(uc_engine* uc, uc_mem_type type, u64 addr, int si
     return {};
 }
 
-ARM_Unicorn::ARM_Unicorn(System& system) : system{system} {
+ARM_Unicorn::ARM_Unicorn(Timing::CoreTiming& core_timing) : core_timing{core_timing} {
     CHECKED(uc_open(UC_ARCH_ARM64, UC_MODE_ARM, &uc));
 
     auto fpv = 3 << 20;
@@ -162,7 +177,7 @@ void ARM_Unicorn::Run() {
     if (GDBStub::IsServerEnabled()) {
         ExecuteInstructions(std::max(4000000, 0));
     } else {
-        ExecuteInstructions(std::max(system.CoreTiming().GetDowncount(), 0));
+        ExecuteInstructions(std::max(core_timing.GetDowncount(), 0));
     }
 }
 
@@ -175,15 +190,14 @@ MICROPROFILE_DEFINE(ARM_Jit_Unicorn, "ARM JIT", "Unicorn", MP_RGB(255, 64, 64));
 void ARM_Unicorn::ExecuteInstructions(int num_instructions) {
     MICROPROFILE_SCOPE(ARM_Jit_Unicorn);
     CHECKED(uc_emu_start(uc, GetPC(), 1ULL << 63, 0, num_instructions));
-    system.CoreTiming().AddTicks(num_instructions);
+    core_timing.AddTicks(num_instructions);
     if (GDBStub::IsServerEnabled()) {
-        if (last_bkpt_hit && last_bkpt.type == GDBStub::BreakpointType::Execute) {
+        if (last_bkpt_hit) {
             uc_reg_write(uc, UC_ARM64_REG_PC, &last_bkpt.address);
         }
-
         Kernel::Thread* thread = Kernel::GetCurrentThread();
         SaveContext(thread->GetContext());
-        if (last_bkpt_hit || GDBStub::IsMemoryBreak() || GDBStub::GetCpuStepFlag()) {
+        if (last_bkpt_hit || GDBStub::GetCpuStepFlag()) {
             last_bkpt_hit = false;
             GDBStub::Break();
             GDBStub::SendTrap(thread, 5);
@@ -258,20 +272,4 @@ void ARM_Unicorn::RecordBreak(GDBStub::BreakpointAddress bkpt) {
     last_bkpt_hit = true;
 }
 
-void ARM_Unicorn::InterruptHook(uc_engine* uc, u32 int_no, void* user_data) {
-    u32 esr{};
-    CHECKED(uc_reg_read(uc, UC_ARM64_REG_ESR, &esr));
-
-    const auto ec = esr >> 26;
-    const auto iss = esr & 0xFFFFFF;
-
-    auto* const arm_instance = static_cast<ARM_Unicorn*>(user_data);
-
-    switch (ec) {
-    case 0x15: // SVC
-        Kernel::CallSVC(arm_instance->system, iss);
-        break;
-    }
-}
-
 } // namespace Core

src/core/arm/unicorn/arm_unicorn.h

@@ -9,14 +9,16 @@
 #include "core/arm/arm_interface.h"
 #include "core/gdbstub/gdbstub.h"
 
-namespace Core {
+namespace Core::Timing {
+class CoreTiming;
+}
 
-class System;
+namespace Core {
 
 class ARM_Unicorn final : public ARM_Interface {
 public:
-    explicit ARM_Unicorn(System& system);
-    ~ARM_Unicorn() override;
+    explicit ARM_Unicorn(Timing::CoreTiming& core_timing);
+    ~ARM_Unicorn();
 
     void MapBackingMemory(VAddr address, std::size_t size, u8* memory,
                           Kernel::VMAPermission perms) override;
@@ -41,16 +43,14 @@ public:
     void Run() override;
     void Step() override;
     void ClearInstructionCache() override;
-    void PageTableChanged(Common::PageTable&, std::size_t) override {}
+    void PageTableChanged() override{};
     void RecordBreak(GDBStub::BreakpointAddress bkpt);
 
 private:
-    static void InterruptHook(uc_engine* uc, u32 int_no, void* user_data);
-
     uc_engine* uc{};
-    System& system;
+    Timing::CoreTiming& core_timing;
     GDBStub::BreakpointAddress last_bkpt{};
-    bool last_bkpt_hit = false;
+    bool last_bkpt_hit;
 };
 
 } // namespace Core

src/core/core.cpp

@@ -3,7 +3,9 @@
 // Refer to the license.txt file included.
 
 #include <array>
+#include <map>
 #include <memory>
+#include <thread>
 #include <utility>
 
 #include "common/file_util.h"
@@ -15,7 +17,6 @@
 #include "core/core_timing.h"
 #include "core/cpu_core_manager.h"
 #include "core/file_sys/mode.h"
-#include "core/file_sys/registered_cache.h"
 #include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_real.h"
 #include "core/gdbstub/gdbstub.h"
@@ -24,7 +25,7 @@
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
-#include "core/hle/service/am/applets/applets.h"
+#include "core/hle/service/am/applets/software_keyboard.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
@@ -32,7 +33,12 @@
 #include "core/settings.h"
 #include "core/telemetry_session.h"
 #include "file_sys/cheat_engine.h"
+#include "frontend/applets/profile_select.h"
+#include "frontend/applets/software_keyboard.h"
+#include "frontend/applets/web_browser.h"
 #include "video_core/debug_utils/debug_utils.h"
+#include "video_core/gpu_asynch.h"
+#include "video_core/gpu_synch.h"
 #include "video_core/renderer_base.h"
 #include "video_core/video_core.h"
 
@@ -74,7 +80,7 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
     return vfs->OpenFile(path, FileSys::Mode::Read);
 }
 struct System::Impl {
-    explicit Impl(System& system) : kernel{system}, cpu_core_manager{system} {}
+    explicit Impl(System& system) : kernel{system} {}
 
     Cpu& CurrentCpuCore() {
         return cpu_core_manager.GetCurrentCore();
@@ -92,7 +98,6 @@ struct System::Impl {
         LOG_DEBUG(HW_Memory, "initialized OK");
 
         core_timing.Initialize();
-        cpu_core_manager.Initialize();
         kernel.Initialize();
 
         const auto current_time = std::chrono::duration_cast<std::chrono::seconds>(
@@ -103,11 +108,17 @@ struct System::Impl {
         // Create a default fs if one doesn't already exist.
         if (virtual_filesystem == nullptr)
             virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
-        if (content_provider == nullptr)
-            content_provider = std::make_unique<FileSys::ContentProviderUnion>();
 
         /// Create default implementations of applets if one is not provided.
-        applet_manager.SetDefaultAppletsIfMissing();
+        if (profile_selector == nullptr)
+            profile_selector = std::make_unique<Core::Frontend::DefaultProfileSelectApplet>();
+        if (software_keyboard == nullptr)
+            software_keyboard = std::make_unique<Core::Frontend::DefaultSoftwareKeyboardApplet>();
+        if (web_browser == nullptr)
+            web_browser = std::make_unique<Core::Frontend::DefaultWebBrowserApplet>();
+
+        auto main_process = Kernel::Process::Create(system, "main");
+        kernel.MakeCurrentProcess(main_process.get());
 
         telemetry_session = std::make_unique<Core::TelemetrySession>();
         service_manager = std::make_shared<Service::SM::ServiceManager>();
@@ -120,10 +131,16 @@ struct System::Impl {
             return ResultStatus::ErrorVideoCore;
         }
 
-        gpu_core = VideoCore::CreateGPU(system);
-
         is_powered_on = true;
 
+        if (Settings::values.use_asynchronous_gpu_emulation) {
+            gpu_core = std::make_unique<VideoCommon::GPUAsynch>(system, *renderer);
+        } else {
+            gpu_core = std::make_unique<VideoCommon::GPUSynch>(system, *renderer);
+        }
+
+        cpu_core_manager.Initialize(system);
+
         LOG_DEBUG(Core, "Initialized OK");
 
         // Reset counters and set time origin to current frame
@@ -136,10 +153,20 @@ struct System::Impl {
     ResultStatus Load(System& system, Frontend::EmuWindow& emu_window,
                       const std::string& filepath) {
         app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
+
         if (!app_loader) {
             LOG_CRITICAL(Core, "Failed to obtain loader for {}!", filepath);
             return ResultStatus::ErrorGetLoader;
         }
+        std::pair<std::optional<u32>, Loader::ResultStatus> system_mode =
+            app_loader->LoadKernelSystemMode();
+
+        if (system_mode.second != Loader::ResultStatus::Success) {
+            LOG_CRITICAL(Core, "Failed to determine system mode (Error {})!",
+                         static_cast<int>(system_mode.second));
+
+            return ResultStatus::ErrorSystemMode;
+        }
 
         ResultStatus init_result{Init(system, emu_window)};
         if (init_result != ResultStatus::Success) {
@@ -149,9 +176,7 @@ struct System::Impl {
             return init_result;
         }
 
-        telemetry_session->AddInitialInfo(*app_loader);
-        auto main_process = Kernel::Process::Create(system, "main");
-        const auto [load_result, load_parameters] = app_loader->Load(*main_process);
+        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();
@@ -159,16 +184,6 @@ struct System::Impl {
             return static_cast<ResultStatus>(static_cast<u32>(ResultStatus::ErrorLoader) +
                                              static_cast<u32>(load_result));
         }
-        kernel.MakeCurrentProcess(main_process.get());
-
-        // Main process has been loaded and been made current.
-        // Begin GPU and CPU execution.
-        gpu_core->Start();
-        cpu_core_manager.StartThreads();
-
-        // All threads are started, begin main process execution, now that we're in the clear.
-        main_process->Run(load_parameters->main_thread_priority,
-                          load_parameters->main_thread_stack_size);
 
         status = ResultStatus::Success;
         return status;
@@ -206,7 +221,9 @@ struct System::Impl {
         app_loader.reset();
 
         // Clear all applets
-        applet_manager.ClearAll();
+        profile_selector.reset();
+        software_keyboard.reset();
+        web_browser.reset();
 
         LOG_DEBUG(Core, "Shutdown OK");
     }
@@ -232,8 +249,6 @@ struct System::Impl {
     Kernel::KernelCore kernel;
     /// RealVfsFilesystem instance
     FileSys::VirtualFilesystem virtual_filesystem;
-    /// ContentProviderUnion instance
-    std::unique_ptr<FileSys::ContentProviderUnion> content_provider;
     /// AppLoader used to load the current executing application
     std::unique_ptr<Loader::AppLoader> app_loader;
     std::unique_ptr<VideoCore::RendererBase> renderer;
@@ -245,7 +260,9 @@ struct System::Impl {
     std::unique_ptr<FileSys::CheatEngine> cheat_engine;
 
     /// Frontend applets
-    Service::AM::Applets::AppletManager applet_manager;
+    std::unique_ptr<Core::Frontend::ProfileSelectApplet> profile_selector;
+    std::unique_ptr<Core::Frontend::SoftwareKeyboardApplet> software_keyboard;
+    std::unique_ptr<Core::Frontend::WebBrowserApplet> web_browser;
 
     /// Service manager
     std::shared_ptr<Service::SM::ServiceManager> service_manager;
@@ -455,41 +472,32 @@ std::shared_ptr<FileSys::VfsFilesystem> System::GetFilesystem() const {
     return impl->virtual_filesystem;
 }
 
-void System::SetAppletFrontendSet(Service::AM::Applets::AppletFrontendSet&& set) {
-    impl->applet_manager.SetAppletFrontendSet(std::move(set));
+void System::SetProfileSelector(std::unique_ptr<Frontend::ProfileSelectApplet> applet) {
+    impl->profile_selector = std::move(applet);
 }
 
-void System::SetDefaultAppletFrontendSet() {
-    impl->applet_manager.SetDefaultAppletFrontendSet();
+const Frontend::ProfileSelectApplet& System::GetProfileSelector() const {
+    return *impl->profile_selector;
 }
 
-Service::AM::Applets::AppletManager& System::GetAppletManager() {
-    return impl->applet_manager;
+void System::SetSoftwareKeyboard(std::unique_ptr<Frontend::SoftwareKeyboardApplet> applet) {
+    impl->software_keyboard = std::move(applet);
 }
 
-const Service::AM::Applets::AppletManager& System::GetAppletManager() const {
-    return impl->applet_manager;
+const Frontend::SoftwareKeyboardApplet& System::GetSoftwareKeyboard() const {
+    return *impl->software_keyboard;
 }
 
-void System::SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider) {
-    impl->content_provider = std::move(provider);
+void System::SetWebBrowser(std::unique_ptr<Frontend::WebBrowserApplet> applet) {
+    impl->web_browser = std::move(applet);
 }
 
-FileSys::ContentProvider& System::GetContentProvider() {
-    return *impl->content_provider;
+Frontend::WebBrowserApplet& System::GetWebBrowser() {
+    return *impl->web_browser;
 }
 
-const FileSys::ContentProvider& System::GetContentProvider() const {
-    return *impl->content_provider;
-}
-
-void System::RegisterContentProvider(FileSys::ContentProviderUnionSlot slot,
-                                     FileSys::ContentProvider* provider) {
-    impl->content_provider->SetSlot(slot, provider);
-}
-
-void System::ClearContentProvider(FileSys::ContentProviderUnionSlot slot) {
-    impl->content_provider->ClearSlot(slot);
+const Frontend::WebBrowserApplet& System::GetWebBrowser() const {
+    return *impl->web_browser;
 }
 
 System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {

src/core/core.h

@@ -14,13 +14,13 @@
 
 namespace Core::Frontend {
 class EmuWindow;
+class ProfileSelectApplet;
+class SoftwareKeyboardApplet;
+class WebBrowserApplet;
 } // namespace Core::Frontend
 
 namespace FileSys {
 class CheatList;
-class ContentProvider;
-class ContentProviderUnion;
-enum class ContentProviderUnionSlot;
 class VfsFilesystem;
 } // namespace FileSys
 
@@ -35,18 +35,9 @@ class AppLoader;
 enum class ResultStatus : u16;
 } // namespace Loader
 
-namespace Service {
-
-namespace AM::Applets {
-struct AppletFrontendSet;
-class AppletManager;
-} // namespace AM::Applets
-
-namespace SM {
+namespace Service::SM {
 class ServiceManager;
-} // namespace SM
-
-} // namespace Service
+} // namespace Service::SM
 
 namespace Tegra {
 class DebugContext;
@@ -98,6 +89,7 @@ public:
         Success,             ///< Succeeded
         ErrorNotInitialized, ///< Error trying to use core prior to initialization
         ErrorGetLoader,      ///< Error finding the correct application loader
+        ErrorSystemMode,     ///< Error determining the system mode
         ErrorSystemFiles,    ///< Error in finding system files
         ErrorSharedFont,     ///< Error in finding shared font
         ErrorVideoCore,      ///< Error in the video core
@@ -265,24 +257,18 @@ public:
     void RegisterCheatList(const std::vector<FileSys::CheatList>& list, const std::string& build_id,
                            VAddr code_region_start, VAddr code_region_end);
 
-    void SetAppletFrontendSet(Service::AM::Applets::AppletFrontendSet&& set);
+    void SetProfileSelector(std::unique_ptr<Frontend::ProfileSelectApplet> applet);
 
-    void SetDefaultAppletFrontendSet();
+    const Frontend::ProfileSelectApplet& GetProfileSelector() const;
 
-    Service::AM::Applets::AppletManager& GetAppletManager();
+    void SetSoftwareKeyboard(std::unique_ptr<Frontend::SoftwareKeyboardApplet> applet);
 
-    const Service::AM::Applets::AppletManager& GetAppletManager() const;
+    const Frontend::SoftwareKeyboardApplet& GetSoftwareKeyboard() const;
 
-    void SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider);
+    void SetWebBrowser(std::unique_ptr<Frontend::WebBrowserApplet> applet);
 
-    FileSys::ContentProvider& GetContentProvider();
-
-    const FileSys::ContentProvider& GetContentProvider() const;
-
-    void RegisterContentProvider(FileSys::ContentProviderUnionSlot slot,
-                                 FileSys::ContentProvider* provider);
-
-    void ClearContentProvider(FileSys::ContentProviderUnionSlot slot);
+    Frontend::WebBrowserApplet& GetWebBrowser();
+    const Frontend::WebBrowserApplet& GetWebBrowser() const;
 
 private:
     System();

src/core/core_cpu.cpp

@@ -22,7 +22,7 @@
 namespace Core {
 
 void CpuBarrier::NotifyEnd() {
-    std::unique_lock lock{mutex};
+    std::unique_lock<std::mutex> lock(mutex);
     end = true;
     condition.notify_all();
 }
@@ -34,7 +34,7 @@ bool CpuBarrier::Rendezvous() {
     }
 
     if (!end) {
-        std::unique_lock lock{mutex};
+        std::unique_lock<std::mutex> lock(mutex);
 
         --cores_waiting;
         if (!cores_waiting) {
@@ -55,13 +55,13 @@ Cpu::Cpu(System& system, ExclusiveMonitor& exclusive_monitor, CpuBarrier& cpu_ba
     : cpu_barrier{cpu_barrier}, core_timing{system.CoreTiming()}, core_index{core_index} {
     if (Settings::values.use_cpu_jit) {
 #ifdef ARCHITECTURE_x86_64
-        arm_interface = std::make_unique<ARM_Dynarmic>(system, exclusive_monitor, core_index);
+        arm_interface = std::make_unique<ARM_Dynarmic>(core_timing, exclusive_monitor, core_index);
 #else
-        arm_interface = std::make_unique<ARM_Unicorn>(system);
+        arm_interface = std::make_unique<ARM_Unicorn>();
         LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
 #endif
     } else {
-        arm_interface = std::make_unique<ARM_Unicorn>(system);
+        arm_interface = std::make_unique<ARM_Unicorn>(core_timing);
     }
 
     scheduler = std::make_unique<Kernel::Scheduler>(system, *arm_interface);
@@ -131,7 +131,7 @@ void Cpu::Reschedule() {
 
     reschedule_pending = false;
     // Lock the global kernel mutex when we manipulate the HLE state
-    std::lock_guard lock{HLE::g_hle_lock};
+    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
     scheduler->Reschedule();
 }
 

src/core/core_timing_util.cpp

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

src/core/core_timing_util.h

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

src/core/cpu_core_manager.cpp

@@ -19,19 +19,17 @@ void RunCpuCore(const System& system, Cpu& cpu_state) {
 }
 } // Anonymous namespace
 
-CpuCoreManager::CpuCoreManager(System& system) : system{system} {}
+CpuCoreManager::CpuCoreManager() = default;
 CpuCoreManager::~CpuCoreManager() = default;
 
-void CpuCoreManager::Initialize() {
+void CpuCoreManager::Initialize(System& system) {
     barrier = std::make_unique<CpuBarrier>();
     exclusive_monitor = Cpu::MakeExclusiveMonitor(cores.size());
 
     for (std::size_t index = 0; index < cores.size(); ++index) {
         cores[index] = std::make_unique<Cpu>(system, *exclusive_monitor, *barrier, index);
     }
-}
 
-void CpuCoreManager::StartThreads() {
     // 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()] = cores[0].get();

src/core/cpu_core_manager.h

@@ -18,7 +18,7 @@ class System;
 
 class CpuCoreManager {
 public:
-    explicit CpuCoreManager(System& system);
+    CpuCoreManager();
     CpuCoreManager(const CpuCoreManager&) = delete;
     CpuCoreManager(CpuCoreManager&&) = delete;
 
@@ -27,8 +27,7 @@ public:
     CpuCoreManager& operator=(const CpuCoreManager&) = delete;
     CpuCoreManager& operator=(CpuCoreManager&&) = delete;
 
-    void Initialize();
-    void StartThreads();
+    void Initialize(System& system);
     void Shutdown();
 
     Cpu& GetCore(std::size_t index);
@@ -55,8 +54,6 @@ private:
 
     /// Map of guest threads to CPU cores
     std::map<std::thread::id, Cpu*> thread_to_cpu;
-
-    System& system;
 };
 
 } // namespace Core

src/core/crypto/key_manager.cpp

@@ -22,7 +22,6 @@
 #include "common/file_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
-#include "core/core.h"
 #include "core/crypto/aes_util.h"
 #include "core/crypto/key_manager.h"
 #include "core/crypto/partition_data_manager.h"
@@ -795,7 +794,7 @@ void KeyManager::DeriveBase() {
 
 void KeyManager::DeriveETicket(PartitionDataManager& data) {
     // ETicket keys
-    const auto es = Core::System::GetInstance().GetContentProvider().GetEntry(
+    const auto es = Service::FileSystem::GetUnionContents().GetEntry(
         0x0100000000000033, FileSys::ContentRecordType::Program);
 
     if (es == nullptr)

src/core/file_sys/control_metadata.cpp

@@ -67,7 +67,7 @@ std::string NACP::GetDeveloperName(Language language) const {
 }
 
 u64 NACP::GetTitleId() const {
-    return raw.save_data_owner_id;
+    return raw.title_id;
 }
 
 u64 NACP::GetDLCBaseTitleId() const {
@@ -80,15 +80,11 @@ std::string NACP::GetVersionString() const {
 }
 
 u64 NACP::GetDefaultNormalSaveSize() const {
-    return raw.user_account_save_data_size;
+    return raw.normal_save_data_size;
 }
 
 u64 NACP::GetDefaultJournalSaveSize() const {
-    return raw.user_account_save_data_journal_size;
-}
-
-u32 NACP::GetSupportedLanguages() const {
-    return raw.supported_languages;
+    return raw.journal_sava_data_size;
 }
 
 std::vector<u8> NACP::GetRawBytes() const {

src/core/file_sys/control_metadata.h

@@ -38,35 +38,23 @@ struct RawNACP {
     u8 video_capture_mode;
     bool data_loss_confirmation;
     INSERT_PADDING_BYTES(1);
-    u64_le presence_group_id;
+    u64_le title_id;
     std::array<u8, 0x20> rating_age;
     std::array<char, 0x10> version_string;
     u64_le dlc_base_title_id;
-    u64_le save_data_owner_id;
-    u64_le user_account_save_data_size;
-    u64_le user_account_save_data_journal_size;
-    u64_le device_save_data_size;
-    u64_le device_save_data_journal_size;
-    u64_le bcat_delivery_cache_storage_size;
-    char application_error_code_category[8];
+    u64_le title_id_2;
+    u64_le normal_save_data_size;
+    u64_le journal_sava_data_size;
+    INSERT_PADDING_BYTES(0x18);
+    u64_le product_code;
     std::array<u64_le, 0x8> local_communication;
     u8 logo_type;
     u8 logo_handling;
     bool runtime_add_on_content_install;
     INSERT_PADDING_BYTES(5);
-    u64_le seed_for_pseudo_device_id;
-    std::array<u8, 0x41> bcat_passphrase;
-    INSERT_PADDING_BYTES(7);
-    u64_le user_account_save_data_max_size;
-    u64_le user_account_save_data_max_journal_size;
-    u64_le device_save_data_max_size;
-    u64_le device_save_data_max_journal_size;
-    u64_le temporary_storage_size;
-    u64_le cache_storage_size;
-    u64_le cache_storage_journal_size;
-    u64_le cache_storage_data_and_journal_max_size;
-    u64_le cache_storage_max_index;
-    INSERT_PADDING_BYTES(0xE70);
+    u64_le title_id_update;
+    std::array<u8, 0x40> bcat_passphrase;
+    INSERT_PADDING_BYTES(0xEC0);
 };
 static_assert(sizeof(RawNACP) == 0x4000, "RawNACP has incorrect size.");
 
@@ -109,7 +97,6 @@ public:
     std::string GetVersionString() const;
     u64 GetDefaultNormalSaveSize() const;
     u64 GetDefaultJournalSaveSize() const;
-    u32 GetSupportedLanguages() const;
     std::vector<u8> GetRawBytes() const;
 
 private:

src/core/file_sys/fsmitm_romfsbuild.cpp

@@ -23,7 +23,6 @@
  */
 
 #include <cstring>
-#include <string_view>
 #include "common/alignment.h"
 #include "common/assert.h"
 #include "core/file_sys/fsmitm_romfsbuild.h"
@@ -98,8 +97,7 @@ struct RomFSBuildFileContext {
     VirtualFile source;
 };
 
-static u32 romfs_calc_path_hash(u32 parent, std::string_view path, u32 start,
-                                std::size_t path_len) {
+static u32 romfs_calc_path_hash(u32 parent, std::string path, u32 start, std::size_t path_len) {
     u32 hash = parent ^ 123456789;
     for (u32 i = 0; i < path_len; i++) {
         hash = (hash >> 5) | (hash << 27);

src/core/file_sys/nca_metadata.cpp

@@ -10,6 +10,14 @@
 
 namespace FileSys {
 
+bool operator>=(TitleType lhs, TitleType rhs) {
+    return static_cast<std::size_t>(lhs) >= static_cast<std::size_t>(rhs);
+}
+
+bool operator<=(TitleType lhs, TitleType rhs) {
+    return static_cast<std::size_t>(lhs) <= static_cast<std::size_t>(rhs);
+}
+
 CNMT::CNMT(VirtualFile file) {
     if (file->ReadObject(&header) != sizeof(CNMTHeader))
         return;

src/core/file_sys/nca_metadata.h

@@ -29,6 +29,9 @@ enum class TitleType : u8 {
     DeltaTitle = 0x83,
 };
 
+bool operator>=(TitleType lhs, TitleType rhs);
+bool operator<=(TitleType lhs, TitleType rhs);
+
 enum class ContentRecordType : u8 {
     Meta = 0,
     Program = 1,

src/core/file_sys/patch_manager.cpp

@@ -10,7 +10,6 @@
 #include "common/file_util.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
-#include "core/core.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/ips_layer.h"
@@ -70,7 +69,7 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
         }
     }
 
-    const auto& installed = Core::System::GetInstance().GetContentProvider();
+    const auto installed = Service::FileSystem::GetUnionContents();
 
     const auto& disabled = Settings::values.disabled_addons[title_id];
     const auto update_disabled =
@@ -156,7 +155,7 @@ std::vector<VirtualFile> PatchManager::CollectPatches(const std::vector<VirtualD
     return out;
 }
 
-std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::string& name) const {
+std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso) const {
     if (nso.size() < sizeof(Loader::NSOHeader)) {
         return nso;
     }
@@ -172,19 +171,18 @@ std::vector<u8> PatchManager::PatchNSO(const std::vector<u8>& nso, const std::st
     const auto build_id = build_id_raw.substr(0, build_id_raw.find_last_not_of('0') + 1);
 
     if (Settings::values.dump_nso) {
-        LOG_INFO(Loader, "Dumping NSO for name={}, build_id={}, title_id={:016X}", name, build_id,
-                 title_id);
+        LOG_INFO(Loader, "Dumping NSO for build_id={}, title_id={:016X}", build_id, title_id);
         const auto dump_dir = Service::FileSystem::GetModificationDumpRoot(title_id);
         if (dump_dir != nullptr) {
             const auto nso_dir = GetOrCreateDirectoryRelative(dump_dir, "/nso");
-            const auto file = nso_dir->CreateFile(fmt::format("{}-{}.nso", name, build_id));
+            const auto file = nso_dir->CreateFile(fmt::format("{}.nso", build_id));
 
             file->Resize(nso.size());
             file->WriteBytes(nso);
         }
     }
 
-    LOG_INFO(Loader, "Patching NSO for name={}, build_id={}", name, build_id);
+    LOG_INFO(Loader, "Patching NSO for build_id={}", build_id);
 
     const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
     auto patch_dirs = load_dir->GetSubdirectories();
@@ -347,7 +345,7 @@ VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset, Content
     if (romfs == nullptr)
         return romfs;
 
-    const auto& installed = Core::System::GetInstance().GetContentProvider();
+    const auto installed = Service::FileSystem::GetUnionContents();
 
     // Game Updates
     const auto update_tid = GetUpdateTitleID(title_id);
@@ -394,7 +392,7 @@ static bool IsDirValidAndNonEmpty(const VirtualDir& dir) {
 std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNames(
     VirtualFile update_raw) const {
     std::map<std::string, std::string, std::less<>> out;
-    const auto& installed = Core::System::GetInstance().GetContentProvider();
+    const auto installed = Service::FileSystem::GetUnionContents();
     const auto& disabled = Settings::values.disabled_addons[title_id];
 
     // Game Updates
@@ -468,10 +466,10 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
 
     // DLC
     const auto dlc_entries = installed.ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);
-    std::vector<ContentProviderEntry> dlc_match;
+    std::vector<RegisteredCacheEntry> dlc_match;
     dlc_match.reserve(dlc_entries.size());
     std::copy_if(dlc_entries.begin(), dlc_entries.end(), std::back_inserter(dlc_match),
-                 [this, &installed](const ContentProviderEntry& entry) {
+                 [this, &installed](const RegisteredCacheEntry& entry) {
                      return (entry.title_id & DLC_BASE_TITLE_ID_MASK) == title_id &&
                             installed.GetEntry(entry)->GetStatus() == Loader::ResultStatus::Success;
                  });
@@ -494,7 +492,7 @@ std::map<std::string, std::string, std::less<>> PatchManager::GetPatchVersionNam
 }
 
 std::pair<std::unique_ptr<NACP>, VirtualFile> PatchManager::GetControlMetadata() const {
-    const auto& installed = Core::System::GetInstance().GetContentProvider();
+    const auto installed{Service::FileSystem::GetUnionContents()};
 
     const auto base_control_nca = installed.GetEntry(title_id, ContentRecordType::Control);
     if (base_control_nca == nullptr)

src/core/file_sys/patch_manager.h

@@ -44,7 +44,7 @@ public:
     // Currently tracked NSO patches:
     // - IPS
     // - IPSwitch
-    std::vector<u8> PatchNSO(const std::vector<u8>& nso, const std::string& name) const;
+    std::vector<u8> PatchNSO(const std::vector<u8>& nso) const;
 
     // Checks to see if PatchNSO() will have any effect given the NSO's build ID.
     // Used to prevent expensive copies in NSO loader.

src/core/file_sys/program_metadata.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <cstddef>
+#include <cstring>
 #include <vector>
 
 #include "common/logging/log.h"
@@ -16,30 +17,28 @@ ProgramMetadata::ProgramMetadata() = default;
 ProgramMetadata::~ProgramMetadata() = default;
 
 Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
-    const std::size_t total_size = file->GetSize();
-    if (total_size < sizeof(Header)) {
+    std::size_t total_size = static_cast<std::size_t>(file->GetSize());
+    if (total_size < sizeof(Header))
         return Loader::ResultStatus::ErrorBadNPDMHeader;
-    }
 
-    if (sizeof(Header) != file->ReadObject(&npdm_header)) {
+    // TODO(DarkLordZach): Use ReadObject when Header/AcidHeader becomes trivially copyable.
+    std::vector<u8> npdm_header_data = file->ReadBytes(sizeof(Header));
+    if (sizeof(Header) != npdm_header_data.size())
         return Loader::ResultStatus::ErrorBadNPDMHeader;
-    }
+    std::memcpy(&npdm_header, npdm_header_data.data(), sizeof(Header));
 
-    if (sizeof(AcidHeader) != file->ReadObject(&acid_header, npdm_header.acid_offset)) {
+    std::vector<u8> acid_header_data = file->ReadBytes(sizeof(AcidHeader), npdm_header.acid_offset);
+    if (sizeof(AcidHeader) != acid_header_data.size())
         return Loader::ResultStatus::ErrorBadACIDHeader;
-    }
+    std::memcpy(&acid_header, acid_header_data.data(), sizeof(AcidHeader));
 
-    if (sizeof(AciHeader) != file->ReadObject(&aci_header, npdm_header.aci_offset)) {
+    if (sizeof(AciHeader) != file->ReadObject(&aci_header, npdm_header.aci_offset))
         return Loader::ResultStatus::ErrorBadACIHeader;
-    }
 
-    if (sizeof(FileAccessControl) != file->ReadObject(&acid_file_access, acid_header.fac_offset)) {
+    if (sizeof(FileAccessControl) != file->ReadObject(&acid_file_access, acid_header.fac_offset))
         return Loader::ResultStatus::ErrorBadFileAccessControl;
-    }
-
-    if (sizeof(FileAccessHeader) != file->ReadObject(&aci_file_access, aci_header.fah_offset)) {
+    if (sizeof(FileAccessHeader) != file->ReadObject(&aci_file_access, aci_header.fah_offset))
         return Loader::ResultStatus::ErrorBadFileAccessHeader;
-    }
 
     aci_kernel_capabilities.resize(aci_header.kac_size / sizeof(u32));
     const u64 read_size = aci_header.kac_size;

src/core/file_sys/program_metadata.h

@@ -58,6 +58,7 @@ public:
     void Print() const;
 
 private:
+    // TODO(DarkLordZach): BitField is not trivially copyable.
     struct Header {
         std::array<char, 4> magic;
         std::array<u8, 8> reserved;
@@ -84,6 +85,7 @@ private:
 
     static_assert(sizeof(Header) == 0x80, "NPDM header structure size is wrong");
 
+    // TODO(DarkLordZach): BitField is not trivially copyable.
     struct AcidHeader {
         std::array<u8, 0x100> signature;
         std::array<u8, 0x100> nca_modulus;

src/core/file_sys/registered_cache.cpp

@@ -23,19 +23,19 @@ namespace FileSys {
 // The size of blocks to use when vfs raw copying into nand.
 constexpr size_t VFS_RC_LARGE_COPY_BLOCK = 0x400000;
 
-std::string ContentProviderEntry::DebugInfo() const {
+std::string RegisteredCacheEntry::DebugInfo() const {
     return fmt::format("title_id={:016X}, content_type={:02X}", title_id, static_cast<u8>(type));
 }
 
-bool operator<(const ContentProviderEntry& lhs, const ContentProviderEntry& rhs) {
+bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs) {
     return (lhs.title_id < rhs.title_id) || (lhs.title_id == rhs.title_id && lhs.type < rhs.type);
 }
 
-bool operator==(const ContentProviderEntry& lhs, const ContentProviderEntry& rhs) {
+bool operator==(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs) {
     return std::tie(lhs.title_id, lhs.type) == std::tie(rhs.title_id, rhs.type);
 }
 
-bool operator!=(const ContentProviderEntry& lhs, const ContentProviderEntry& rhs) {
+bool operator!=(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs) {
     return !operator==(lhs, rhs);
 }
 
@@ -84,7 +84,7 @@ static std::string GetCNMTName(TitleType type, u64 title_id) {
     return fmt::format("{}_{:016x}.cnmt", TITLE_TYPE_NAMES[index], title_id);
 }
 
-ContentRecordType GetCRTypeFromNCAType(NCAContentType type) {
+static ContentRecordType GetCRTypeFromNCAType(NCAContentType type) {
     switch (type) {
     case NCAContentType::Program:
         // TODO(DarkLordZach): Differentiate between Program and Patch
@@ -104,28 +104,6 @@ ContentRecordType GetCRTypeFromNCAType(NCAContentType type) {
     }
 }
 
-ContentProvider::~ContentProvider() = default;
-
-bool ContentProvider::HasEntry(ContentProviderEntry entry) const {
-    return HasEntry(entry.title_id, entry.type);
-}
-
-VirtualFile ContentProvider::GetEntryUnparsed(ContentProviderEntry entry) const {
-    return GetEntryUnparsed(entry.title_id, entry.type);
-}
-
-VirtualFile ContentProvider::GetEntryRaw(ContentProviderEntry entry) const {
-    return GetEntryRaw(entry.title_id, entry.type);
-}
-
-std::unique_ptr<NCA> ContentProvider::GetEntry(ContentProviderEntry entry) const {
-    return GetEntry(entry.title_id, entry.type);
-}
-
-std::vector<ContentProviderEntry> ContentProvider::ListEntries() const {
-    return ListEntriesFilter(std::nullopt, std::nullopt, std::nullopt);
-}
-
 VirtualFile RegisteredCache::OpenFileOrDirectoryConcat(const VirtualDir& dir,
                                                        std::string_view path) const {
     const auto file = dir->GetFileRelative(path);
@@ -183,8 +161,8 @@ VirtualFile RegisteredCache::GetFileAtID(NcaID id) const {
     return file;
 }
 
-static std::optional<NcaID> CheckMapForContentRecord(const std::map<u64, CNMT>& map, u64 title_id,
-                                                     ContentRecordType type) {
+static std::optional<NcaID> CheckMapForContentRecord(
+    const boost::container::flat_map<u64, CNMT>& map, u64 title_id, ContentRecordType type) {
     if (map.find(title_id) == map.end())
         return {};
 
@@ -290,7 +268,7 @@ void RegisteredCache::Refresh() {
     AccumulateYuzuMeta();
 }
 
-RegisteredCache::RegisteredCache(VirtualDir dir_, ContentProviderParsingFunction parsing_function)
+RegisteredCache::RegisteredCache(VirtualDir dir_, RegisteredCacheParsingFunction parsing_function)
     : dir(std::move(dir_)), parser(std::move(parsing_function)) {
     Refresh();
 }
@@ -301,11 +279,19 @@ bool RegisteredCache::HasEntry(u64 title_id, ContentRecordType type) const {
     return GetEntryRaw(title_id, type) != nullptr;
 }
 
+bool RegisteredCache::HasEntry(RegisteredCacheEntry entry) const {
+    return GetEntryRaw(entry) != nullptr;
+}
+
 VirtualFile RegisteredCache::GetEntryUnparsed(u64 title_id, ContentRecordType type) const {
     const auto id = GetNcaIDFromMetadata(title_id, type);
     return id ? GetFileAtID(*id) : nullptr;
 }
 
+VirtualFile RegisteredCache::GetEntryUnparsed(RegisteredCacheEntry entry) const {
+    return GetEntryUnparsed(entry.title_id, entry.type);
+}
+
 std::optional<u32> RegisteredCache::GetEntryVersion(u64 title_id) const {
     const auto meta_iter = meta.find(title_id);
     if (meta_iter != meta.end())
@@ -323,6 +309,10 @@ VirtualFile RegisteredCache::GetEntryRaw(u64 title_id, ContentRecordType type) c
     return id ? parser(GetFileAtID(*id), *id) : nullptr;
 }
 
+VirtualFile RegisteredCache::GetEntryRaw(RegisteredCacheEntry entry) const {
+    return GetEntryRaw(entry.title_id, entry.type);
+}
+
 std::unique_ptr<NCA> RegisteredCache::GetEntry(u64 title_id, ContentRecordType type) const {
     const auto raw = GetEntryRaw(title_id, type);
     if (raw == nullptr)
@@ -330,6 +320,10 @@ std::unique_ptr<NCA> RegisteredCache::GetEntry(u64 title_id, ContentRecordType t
     return std::make_unique<NCA>(raw, nullptr, 0, keys);
 }
 
+std::unique_ptr<NCA> RegisteredCache::GetEntry(RegisteredCacheEntry entry) const {
+    return GetEntry(entry.title_id, entry.type);
+}
+
 template <typename T>
 void RegisteredCache::IterateAllMetadata(
     std::vector<T>& out, std::function<T(const CNMT&, const ContentRecord&)> proc,
@@ -354,14 +348,25 @@ void RegisteredCache::IterateAllMetadata(
     }
 }
 
-std::vector<ContentProviderEntry> RegisteredCache::ListEntriesFilter(
-    std::optional<TitleType> title_type, std::optional<ContentRecordType> record_type,
-    std::optional<u64> title_id) const {
-    std::vector<ContentProviderEntry> out;
-    IterateAllMetadata<ContentProviderEntry>(
+std::vector<RegisteredCacheEntry> RegisteredCache::ListEntries() const {
+    std::vector<RegisteredCacheEntry> out;
+    IterateAllMetadata<RegisteredCacheEntry>(
         out,
         [](const CNMT& c, const ContentRecord& r) {
-            return ContentProviderEntry{c.GetTitleID(), r.type};
+            return RegisteredCacheEntry{c.GetTitleID(), r.type};
+        },
+        [](const CNMT& c, const ContentRecord& r) { return true; });
+    return out;
+}
+
+std::vector<RegisteredCacheEntry> RegisteredCache::ListEntriesFilter(
+    std::optional<TitleType> title_type, std::optional<ContentRecordType> record_type,
+    std::optional<u64> title_id) const {
+    std::vector<RegisteredCacheEntry> out;
+    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 && *title_type != c.GetType())
@@ -516,56 +521,37 @@ bool RegisteredCache::RawInstallYuzuMeta(const CNMT& cnmt) {
                         }) != yuzu_meta.end();
 }
 
-ContentProviderUnion::~ContentProviderUnion() = default;
+RegisteredCacheUnion::RegisteredCacheUnion(std::vector<RegisteredCache*> caches)
+    : caches(std::move(caches)) {}
 
-void ContentProviderUnion::SetSlot(ContentProviderUnionSlot slot, ContentProvider* provider) {
-    providers[slot] = provider;
+void RegisteredCacheUnion::Refresh() {
+    for (const auto& c : caches)
+        c->Refresh();
 }
 
-void ContentProviderUnion::ClearSlot(ContentProviderUnionSlot slot) {
-    providers[slot] = nullptr;
+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);
+    });
 }
 
-void ContentProviderUnion::Refresh() {
-    for (auto& provider : providers) {
-        if (provider.second == nullptr)
-            continue;
-
-        provider.second->Refresh();
-    }
+bool RegisteredCacheUnion::HasEntry(RegisteredCacheEntry entry) const {
+    return HasEntry(entry.title_id, entry.type);
 }
 
-bool ContentProviderUnion::HasEntry(u64 title_id, ContentRecordType type) const {
-    for (const auto& provider : providers) {
-        if (provider.second == nullptr)
-            continue;
-
-        if (provider.second->HasEntry(title_id, type))
-            return true;
-    }
-
-    return false;
-}
-
-std::optional<u32> ContentProviderUnion::GetEntryVersion(u64 title_id) const {
-    for (const auto& provider : providers) {
-        if (provider.second == nullptr)
-            continue;
-
-        const auto res = provider.second->GetEntryVersion(title_id);
-        if (res != std::nullopt)
+std::optional<u32> RegisteredCacheUnion::GetEntryVersion(u64 title_id) const {
+    for (const auto& c : caches) {
+        const auto res = c->GetEntryVersion(title_id);
+        if (res)
             return res;
     }
 
-    return std::nullopt;
+    return {};
 }
 
-VirtualFile ContentProviderUnion::GetEntryUnparsed(u64 title_id, ContentRecordType type) const {
-    for (const auto& provider : providers) {
-        if (provider.second == nullptr)
-            continue;
-
-        const auto res = provider.second->GetEntryUnparsed(title_id, type);
+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;
     }
@@ -573,12 +559,13 @@ VirtualFile ContentProviderUnion::GetEntryUnparsed(u64 title_id, ContentRecordTy
     return nullptr;
 }
 
-VirtualFile ContentProviderUnion::GetEntryRaw(u64 title_id, ContentRecordType type) const {
-    for (const auto& provider : providers) {
-        if (provider.second == nullptr)
-            continue;
+VirtualFile RegisteredCacheUnion::GetEntryUnparsed(RegisteredCacheEntry entry) const {
+    return GetEntryUnparsed(entry.title_id, entry.type);
+}
 
-        const auto res = provider.second->GetEntryRaw(title_id, 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;
     }
@@ -586,30 +573,30 @@ VirtualFile ContentProviderUnion::GetEntryRaw(u64 title_id, ContentRecordType ty
     return nullptr;
 }
 
-std::unique_ptr<NCA> ContentProviderUnion::GetEntry(u64 title_id, ContentRecordType type) const {
-    for (const auto& provider : providers) {
-        if (provider.second == nullptr)
-            continue;
-
-        auto res = provider.second->GetEntry(title_id, type);
-        if (res != nullptr)
-            return res;
-    }
-
-    return nullptr;
+VirtualFile RegisteredCacheUnion::GetEntryRaw(RegisteredCacheEntry entry) const {
+    return GetEntryRaw(entry.title_id, entry.type);
 }
 
-std::vector<ContentProviderEntry> ContentProviderUnion::ListEntriesFilter(
-    std::optional<TitleType> title_type, std::optional<ContentRecordType> record_type,
-    std::optional<u64> title_id) const {
-    std::vector<ContentProviderEntry> out;
+std::unique_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_unique<NCA>(raw);
+}
 
-    for (const auto& provider : providers) {
-        if (provider.second == nullptr)
-            continue;
+std::unique_ptr<NCA> RegisteredCacheUnion::GetEntry(RegisteredCacheEntry entry) const {
+    return GetEntry(entry.title_id, entry.type);
+}
 
-        const auto vec = provider.second->ListEntriesFilter(title_type, record_type, title_id);
-        std::copy(vec.begin(), vec.end(), std::back_inserter(out));
+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; });
     }
 
     std::sort(out.begin(), out.end());
@@ -617,87 +604,25 @@ std::vector<ContentProviderEntry> ContentProviderUnion::ListEntriesFilter(
     return out;
 }
 
-std::vector<std::pair<ContentProviderUnionSlot, ContentProviderEntry>>
-ContentProviderUnion::ListEntriesFilterOrigin(std::optional<ContentProviderUnionSlot> origin,
-                                              std::optional<TitleType> title_type,
-                                              std::optional<ContentRecordType> record_type,
-                                              std::optional<u64> title_id) const {
-    std::vector<std::pair<ContentProviderUnionSlot, ContentProviderEntry>> out;
-
-    for (const auto& provider : providers) {
-        if (provider.second == nullptr)
-            continue;
-
-        if (origin.has_value() && *origin != provider.first)
-            continue;
-
-        const auto vec = provider.second->ListEntriesFilter(title_type, record_type, title_id);
-        std::transform(vec.begin(), vec.end(), std::back_inserter(out),
-                       [&provider](const ContentProviderEntry& entry) {
-                           return std::make_pair(provider.first, entry);
-                       });
-    }
-
-    std::sort(out.begin(), out.end());
-    out.erase(std::unique(out.begin(), out.end()), out.end());
-    return out;
-}
-
-ManualContentProvider::~ManualContentProvider() = default;
-
-void ManualContentProvider::AddEntry(TitleType title_type, ContentRecordType content_type,
-                                     u64 title_id, VirtualFile file) {
-    entries.insert_or_assign({title_type, content_type, title_id}, file);
-}
-
-void ManualContentProvider::ClearAllEntries() {
-    entries.clear();
-}
-
-void ManualContentProvider::Refresh() {}
-
-bool ManualContentProvider::HasEntry(u64 title_id, ContentRecordType type) const {
-    return GetEntryRaw(title_id, type) != nullptr;
-}
-
-std::optional<u32> ManualContentProvider::GetEntryVersion(u64 title_id) const {
-    return std::nullopt;
-}
-
-VirtualFile ManualContentProvider::GetEntryUnparsed(u64 title_id, ContentRecordType type) const {
-    return GetEntryRaw(title_id, type);
-}
-
-VirtualFile ManualContentProvider::GetEntryRaw(u64 title_id, ContentRecordType type) const {
-    const auto iter =
-        std::find_if(entries.begin(), entries.end(), [title_id, type](const auto& entry) {
-            const auto [title_type, content_type, e_title_id] = entry.first;
-            return content_type == type && e_title_id == title_id;
-        });
-    if (iter == entries.end())
-        return nullptr;
-    return iter->second;
-}
-
-std::unique_ptr<NCA> ManualContentProvider::GetEntry(u64 title_id, ContentRecordType type) const {
-    const auto res = GetEntryRaw(title_id, type);
-    if (res == nullptr)
-        return nullptr;
-    return std::make_unique<NCA>(res, nullptr, 0, keys);
-}
-
-std::vector<ContentProviderEntry> ManualContentProvider::ListEntriesFilter(
+std::vector<RegisteredCacheEntry> RegisteredCacheUnion::ListEntriesFilter(
     std::optional<TitleType> title_type, std::optional<ContentRecordType> record_type,
     std::optional<u64> title_id) const {
-    std::vector<ContentProviderEntry> out;
-
-    for (const auto& entry : entries) {
-        const auto [e_title_type, e_content_type, e_title_id] = entry.first;
-        if ((title_type == std::nullopt || e_title_type == *title_type) &&
-            (record_type == std::nullopt || e_content_type == *record_type) &&
-            (title_id == std::nullopt || e_title_id == *title_id)) {
-            out.emplace_back(ContentProviderEntry{e_title_id, e_content_type});
-        }
+    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 && *title_type != c.GetType())
+                    return false;
+                if (record_type && *record_type != r.type)
+                    return false;
+                if (title_id && *title_id != c.GetTitleID())
+                    return false;
+                return true;
+            });
     }
 
     std::sort(out.begin(), out.end());

src/core/file_sys/registered_cache.h

@@ -21,13 +21,12 @@ class NSP;
 class XCI;
 
 enum class ContentRecordType : u8;
-enum class NCAContentType : u8;
 enum class TitleType : u8;
 
 struct ContentRecord;
 
 using NcaID = std::array<u8, 0x10>;
-using ContentProviderParsingFunction = std::function<VirtualFile(const VirtualFile&, const NcaID&)>;
+using RegisteredCacheParsingFunction = std::function<VirtualFile(const VirtualFile&, const NcaID&)>;
 using VfsCopyFunction = std::function<bool(const VirtualFile&, const VirtualFile&, size_t)>;
 
 enum class InstallResult {
@@ -37,7 +36,7 @@ enum class InstallResult {
     ErrorMetaFailed,
 };
 
-struct ContentProviderEntry {
+struct RegisteredCacheEntry {
     u64 title_id;
     ContentRecordType type;
 
@@ -48,46 +47,12 @@ constexpr u64 GetUpdateTitleID(u64 base_title_id) {
     return base_title_id | 0x800;
 }
 
-ContentRecordType GetCRTypeFromNCAType(NCAContentType type);
-
 // boost flat_map requires operator< for O(log(n)) lookups.
-bool operator<(const ContentProviderEntry& lhs, const ContentProviderEntry& rhs);
+bool operator<(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs);
 
 // std unique requires operator== to identify duplicates.
-bool operator==(const ContentProviderEntry& lhs, const ContentProviderEntry& rhs);
-bool operator!=(const ContentProviderEntry& lhs, const ContentProviderEntry& rhs);
-
-class ContentProvider {
-public:
-    virtual ~ContentProvider();
-
-    virtual void Refresh() = 0;
-
-    virtual bool HasEntry(u64 title_id, ContentRecordType type) const = 0;
-    virtual bool HasEntry(ContentProviderEntry entry) const;
-
-    virtual std::optional<u32> GetEntryVersion(u64 title_id) const = 0;
-
-    virtual VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const = 0;
-    virtual VirtualFile GetEntryUnparsed(ContentProviderEntry entry) const;
-
-    virtual VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const = 0;
-    virtual VirtualFile GetEntryRaw(ContentProviderEntry entry) const;
-
-    virtual std::unique_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const = 0;
-    virtual std::unique_ptr<NCA> GetEntry(ContentProviderEntry entry) const;
-
-    virtual std::vector<ContentProviderEntry> ListEntries() const;
-
-    // If a parameter is not std::nullopt, it will be filtered for from all entries.
-    virtual std::vector<ContentProviderEntry> ListEntriesFilter(
-        std::optional<TitleType> title_type = {}, std::optional<ContentRecordType> record_type = {},
-        std::optional<u64> title_id = {}) const = 0;
-
-protected:
-    // A single instance of KeyManager to be used by GetEntry()
-    Core::Crypto::KeyManager keys;
-};
+bool operator==(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs);
+bool operator!=(const RegisteredCacheEntry& lhs, const RegisteredCacheEntry& rhs);
 
 /*
  * A class that catalogues NCAs in the registered directory structure.
@@ -102,32 +67,39 @@ protected:
  * (This impl also supports substituting the nca dir for an nca file, as that's more convenient
  * when 4GB splitting can be ignored.)
  */
-class RegisteredCache : public ContentProvider {
+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
     // parsing function.
     explicit RegisteredCache(VirtualDir dir,
-                             ContentProviderParsingFunction parsing_function =
+                             RegisteredCacheParsingFunction parsing_function =
                                  [](const VirtualFile& file, const NcaID& id) { return file; });
-    ~RegisteredCache() override;
+    ~RegisteredCache();
 
-    void Refresh() override;
+    void Refresh();
 
-    bool HasEntry(u64 title_id, ContentRecordType type) const override;
+    bool HasEntry(u64 title_id, ContentRecordType type) const;
+    bool HasEntry(RegisteredCacheEntry entry) const;
 
-    std::optional<u32> GetEntryVersion(u64 title_id) const override;
+    std::optional<u32> GetEntryVersion(u64 title_id) const;
 
-    VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const override;
+    VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const;
+    VirtualFile GetEntryUnparsed(RegisteredCacheEntry entry) const;
 
-    VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const override;
+    VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const;
+    VirtualFile GetEntryRaw(RegisteredCacheEntry entry) const;
 
-    std::unique_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const override;
+    std::unique_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
+    std::unique_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
 
+    std::vector<RegisteredCacheEntry> ListEntries() const;
     // If a parameter is not std::nullopt, it will be filtered for from all entries.
-    std::vector<ContentProviderEntry> ListEntriesFilter(
+    std::vector<RegisteredCacheEntry> ListEntriesFilter(
         std::optional<TitleType> title_type = {}, std::optional<ContentRecordType> record_type = {},
-        std::optional<u64> title_id = {}) const override;
+        std::optional<u64> title_id = {}) 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.
@@ -159,70 +131,46 @@ private:
     bool RawInstallYuzuMeta(const CNMT& cnmt);
 
     VirtualDir dir;
-    ContentProviderParsingFunction parser;
+    RegisteredCacheParsingFunction parser;
+    Core::Crypto::KeyManager keys;
 
     // maps tid -> NcaID of meta
-    std::map<u64, NcaID> meta_id;
+    boost::container::flat_map<u64, NcaID> meta_id;
     // maps tid -> meta
-    std::map<u64, CNMT> meta;
+    boost::container::flat_map<u64, CNMT> meta;
     // maps tid -> meta for CNMT in yuzu_meta
-    std::map<u64, CNMT> yuzu_meta;
+    boost::container::flat_map<u64, CNMT> yuzu_meta;
 };
 
-enum class ContentProviderUnionSlot {
-    SysNAND,        ///< System NAND
-    UserNAND,       ///< User NAND
-    SDMC,           ///< SD Card
-    FrontendManual, ///< Frontend-defined game list or similar
-};
-
-// Combines multiple ContentProvider(s) (i.e. SysNAND, UserNAND, SDMC) into one interface.
-class ContentProviderUnion : public ContentProvider {
+// Combines multiple RegisteredCaches (i.e. SysNAND, UserNAND, SDMC) into one interface.
+class RegisteredCacheUnion {
 public:
-    ~ContentProviderUnion() override;
+    explicit RegisteredCacheUnion(std::vector<RegisteredCache*> caches);
 
-    void SetSlot(ContentProviderUnionSlot slot, ContentProvider* provider);
-    void ClearSlot(ContentProviderUnionSlot slot);
+    void Refresh();
 
-    void Refresh() override;
-    bool HasEntry(u64 title_id, ContentRecordType type) const override;
-    std::optional<u32> GetEntryVersion(u64 title_id) const override;
-    VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const override;
-    VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const override;
-    std::unique_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const override;
-    std::vector<ContentProviderEntry> ListEntriesFilter(
-        std::optional<TitleType> title_type, std::optional<ContentRecordType> record_type,
-        std::optional<u64> title_id) const override;
+    bool HasEntry(u64 title_id, ContentRecordType type) const;
+    bool HasEntry(RegisteredCacheEntry entry) const;
 
-    std::vector<std::pair<ContentProviderUnionSlot, ContentProviderEntry>> ListEntriesFilterOrigin(
-        std::optional<ContentProviderUnionSlot> origin = {},
+    std::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::unique_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const;
+    std::unique_ptr<NCA> GetEntry(RegisteredCacheEntry entry) const;
+
+    std::vector<RegisteredCacheEntry> ListEntries() const;
+    // If a parameter is not std::nullopt, it will be filtered for from all entries.
+    std::vector<RegisteredCacheEntry> ListEntriesFilter(
         std::optional<TitleType> title_type = {}, std::optional<ContentRecordType> record_type = {},
         std::optional<u64> title_id = {}) const;
 
 private:
-    std::map<ContentProviderUnionSlot, ContentProvider*> providers;
-};
-
-class ManualContentProvider : public ContentProvider {
-public:
-    ~ManualContentProvider() override;
-
-    void AddEntry(TitleType title_type, ContentRecordType content_type, u64 title_id,
-                  VirtualFile file);
-    void ClearAllEntries();
-
-    void Refresh() override;
-    bool HasEntry(u64 title_id, ContentRecordType type) const override;
-    std::optional<u32> GetEntryVersion(u64 title_id) const override;
-    VirtualFile GetEntryUnparsed(u64 title_id, ContentRecordType type) const override;
-    VirtualFile GetEntryRaw(u64 title_id, ContentRecordType type) const override;
-    std::unique_ptr<NCA> GetEntry(u64 title_id, ContentRecordType type) const override;
-    std::vector<ContentProviderEntry> ListEntriesFilter(
-        std::optional<TitleType> title_type, std::optional<ContentRecordType> record_type,
-        std::optional<u64> title_id) const override;
-
-private:
-    std::map<std::tuple<TitleType, ContentRecordType, u64>, VirtualFile> entries;
+    std::vector<RegisteredCache*> caches;
 };
 
 } // namespace FileSys

src/core/file_sys/romfs_factory.cpp

@@ -48,7 +48,7 @@ ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage, Conte
 
     switch (storage) {
     case StorageId::None:
-        res = Core::System::GetInstance().GetContentProvider().GetEntry(title_id, type);
+        res = Service::FileSystem::GetUnionContents().GetEntry(title_id, type);
         break;
     case StorageId::NandSystem:
         res = Service::FileSystem::GetSystemNANDContents()->GetEntry(title_id, type);

src/core/file_sys/savedata_factory.cpp

@@ -16,10 +16,8 @@ namespace FileSys {
 constexpr char SAVE_DATA_SIZE_FILENAME[] = ".yuzu_save_size";
 
 std::string SaveDataDescriptor::DebugInfo() const {
-    return fmt::format("[type={:02X}, title_id={:016X}, user_id={:016X}{:016X}, save_id={:016X}, "
-                       "rank={}, index={}]",
-                       static_cast<u8>(type), title_id, user_id[1], user_id[0], save_id,
-                       static_cast<u8>(rank), index);
+    return fmt::format("[type={:02X}, title_id={:016X}, user_id={:016X}{:016X}, save_id={:016X}]",
+                       static_cast<u8>(type), title_id, user_id[1], user_id[0], save_id);
 }
 
 SaveDataFactory::SaveDataFactory(VirtualDir save_directory) : dir(std::move(save_directory)) {
@@ -30,7 +28,7 @@ SaveDataFactory::SaveDataFactory(VirtualDir save_directory) : dir(std::move(save
 
 SaveDataFactory::~SaveDataFactory() = default;
 
-ResultVal<VirtualDir> SaveDataFactory::Open(SaveDataSpaceId space, const SaveDataDescriptor& meta) {
+ResultVal<VirtualDir> SaveDataFactory::Open(SaveDataSpaceId space, SaveDataDescriptor meta) {
     if (meta.type == SaveDataType::SystemSaveData || meta.type == SaveDataType::SaveData) {
         if (meta.zero_1 != 0) {
             LOG_WARNING(Service_FS,

src/core/file_sys/savedata_factory.h

@@ -32,19 +32,12 @@ enum class SaveDataType : u8 {
     CacheStorage = 5,
 };
 
-enum class SaveDataRank : u8 {
-    Primary,
-    Secondary,
-};
-
 struct SaveDataDescriptor {
     u64_le title_id;
     u128 user_id;
     u64_le save_id;
     SaveDataType type;
-    SaveDataRank rank;
-    u16_le index;
-    INSERT_PADDING_BYTES(4);
+    INSERT_PADDING_BYTES(7);
     u64_le zero_1;
     u64_le zero_2;
     u64_le zero_3;
@@ -64,7 +57,7 @@ public:
     explicit SaveDataFactory(VirtualDir dir);
     ~SaveDataFactory();
 
-    ResultVal<VirtualDir> Open(SaveDataSpaceId space, const SaveDataDescriptor& meta);
+    ResultVal<VirtualDir> Open(SaveDataSpaceId space, SaveDataDescriptor meta);
 
     VirtualDir GetSaveDataSpaceDirectory(SaveDataSpaceId space) const;
 

src/core/file_sys/submission_package.cpp

@@ -143,12 +143,11 @@ std::multimap<u64, std::shared_ptr<NCA>> NSP::GetNCAsByTitleID() const {
     return out;
 }
 
-std::map<u64, std::map<std::pair<TitleType, ContentRecordType>, std::shared_ptr<NCA>>>
-NSP::GetNCAs() const {
+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, TitleType title_type) const {
+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.");
 
@@ -156,14 +155,14 @@ std::shared_ptr<NCA> NSP::GetNCA(u64 title_id, ContentRecordType type, TitleType
     if (title_id_iter == ncas.end())
         return nullptr;
 
-    const auto type_iter = title_id_iter->second.find({title_type, type});
+    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, TitleType title_type) const {
+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);
@@ -241,7 +240,7 @@ void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
             const CNMT cnmt(inner_file);
             auto& ncas_title = ncas[cnmt.GetTitleID()];
 
-            ncas_title[{cnmt.GetType(), ContentRecordType::Meta}] = nca;
+            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));
@@ -259,7 +258,7 @@ void NSP::ReadNCAs(const std::vector<VirtualFile>& files) {
                 if (next_nca->GetStatus() == Loader::ResultStatus::Success ||
                     (next_nca->GetStatus() == Loader::ResultStatus::ErrorMissingBKTRBaseRomFS &&
                      (cnmt.GetTitleID() & 0x800) != 0)) {
-                    ncas_title[{cnmt.GetType(), rec.type}] = std::move(next_nca);
+                    ncas_title[rec.type] = std::move(next_nca);
                 }
             }
 

src/core/file_sys/submission_package.h

@@ -42,12 +42,9 @@ public:
     // 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<std::pair<TitleType, ContentRecordType>, std::shared_ptr<NCA>>> GetNCAs()
-        const;
-    std::shared_ptr<NCA> GetNCA(u64 title_id, ContentRecordType type,
-                                TitleType title_type = TitleType::Application) const;
-    VirtualFile GetNCAFile(u64 title_id, ContentRecordType type,
-                           TitleType title_type = TitleType::Application) 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;
@@ -70,7 +67,7 @@ private:
 
     std::shared_ptr<PartitionFilesystem> pfs;
     // Map title id -> {map type -> NCA}
-    std::map<u64, std::map<std::pair<TitleType, ContentRecordType>, std::shared_ptr<NCA>>> ncas;
+    std::map<u64, std::map<ContentRecordType, std::shared_ptr<NCA>>> ncas;
     std::vector<VirtualFile> ticket_files;
 
     Core::Crypto::KeyManager keys;

src/core/frontend/applets/error.cpp

@@ -1,34 +0,0 @@
-// Copyright 2019 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "core/frontend/applets/error.h"
-
-namespace Core::Frontend {
-
-ErrorApplet::~ErrorApplet() = default;
-
-void DefaultErrorApplet::ShowError(ResultCode error, std::function<void()> finished) const {
-    LOG_CRITICAL(Service_Fatal, "Application requested error display: {:04}-{:04} (raw={:08X})",
-                 static_cast<u32>(error.module.Value()), error.description.Value(), error.raw);
-}
-
-void DefaultErrorApplet::ShowErrorWithTimestamp(ResultCode error, std::chrono::seconds time,
-                                                std::function<void()> finished) const {
-    LOG_CRITICAL(
-        Service_Fatal,
-        "Application requested error display: {:04X}-{:04X} (raw={:08X}) with timestamp={:016X}",
-        static_cast<u32>(error.module.Value()), error.description.Value(), error.raw, time.count());
-}
-
-void DefaultErrorApplet::ShowCustomErrorText(ResultCode error, std::string main_text,
-                                             std::string detail_text,
-                                             std::function<void()> finished) const {
-    LOG_CRITICAL(Service_Fatal,
-                 "Application requested custom error with error_code={:04X}-{:04X} (raw={:08X})",
-                 static_cast<u32>(error.module.Value()), error.description.Value(), error.raw);
-    LOG_CRITICAL(Service_Fatal, "    Main Text: {}", main_text);
-    LOG_CRITICAL(Service_Fatal, "    Detail Text: {}", detail_text);
-}
-
-} // namespace Core::Frontend

src/core/frontend/applets/error.h

@@ -1,37 +0,0 @@
-// Copyright 2019 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <chrono>
-#include <functional>
-
-#include "core/hle/result.h"
-
-namespace Core::Frontend {
-
-class ErrorApplet {
-public:
-    virtual ~ErrorApplet();
-
-    virtual void ShowError(ResultCode error, std::function<void()> finished) const = 0;
-
-    virtual void ShowErrorWithTimestamp(ResultCode error, std::chrono::seconds time,
-                                        std::function<void()> finished) const = 0;
-
-    virtual void ShowCustomErrorText(ResultCode error, std::string dialog_text,
-                                     std::string fullscreen_text,
-                                     std::function<void()> finished) const = 0;
-};
-
-class DefaultErrorApplet final : public ErrorApplet {
-public:
-    void ShowError(ResultCode error, std::function<void()> finished) const override;
-    void ShowErrorWithTimestamp(ResultCode error, std::chrono::seconds time,
-                                std::function<void()> finished) const override;
-    void ShowCustomErrorText(ResultCode error, std::string main_text, std::string detail_text,
-                             std::function<void()> finished) const override;
-};
-
-} // namespace Core::Frontend

src/core/frontend/applets/general_frontend.cpp

@@ -1,27 +0,0 @@
-// Copyright 2019 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "common/logging/log.h"
-#include "core/frontend/applets/general_frontend.h"
-
-namespace Core::Frontend {
-
-PhotoViewerApplet::~PhotoViewerApplet() = default;
-
-DefaultPhotoViewerApplet::~DefaultPhotoViewerApplet() {}
-
-void DefaultPhotoViewerApplet::ShowPhotosForApplication(u64 title_id,
-                                                        std::function<void()> finished) const {
-    LOG_INFO(Service_AM,
-             "Application requested frontend to display stored photos for title_id={:016X}",
-             title_id);
-    finished();
-}
-
-void DefaultPhotoViewerApplet::ShowAllPhotos(std::function<void()> finished) const {
-    LOG_INFO(Service_AM, "Application requested frontend to display all stored photos.");
-    finished();
-}
-
-} // namespace Core::Frontend

src/core/frontend/applets/general_frontend.h

@@ -1,28 +0,0 @@
-// Copyright 2019 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <functional>
-#include "common/common_types.h"
-
-namespace Core::Frontend {
-
-class PhotoViewerApplet {
-public:
-    virtual ~PhotoViewerApplet();
-
-    virtual void ShowPhotosForApplication(u64 title_id, std::function<void()> finished) const = 0;
-    virtual void ShowAllPhotos(std::function<void()> finished) const = 0;
-};
-
-class DefaultPhotoViewerApplet final : public PhotoViewerApplet {
-public:
-    ~DefaultPhotoViewerApplet() override;
-
-    void ShowPhotosForApplication(u64 title_id, std::function<void()> finished) const override;
-    void ShowAllPhotos(std::function<void()> finished) const override;
-};
-
-} // namespace Core::Frontend

src/core/frontend/applets/profile_select.cpp

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

src/core/frontend/applets/profile_select.h

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

src/core/frontend/emu_window.cpp

@@ -10,8 +10,6 @@
 
 namespace Core::Frontend {
 
-GraphicsContext::~GraphicsContext() = default;
-
 class EmuWindow::TouchState : public Input::Factory<Input::TouchDevice>,
                               public std::enable_shared_from_this<TouchState> {
 public:
@@ -32,7 +30,7 @@ private:
         explicit Device(std::weak_ptr<TouchState>&& touch_state) : touch_state(touch_state) {}
         std::tuple<float, float, bool> GetStatus() const override {
             if (auto state = touch_state.lock()) {
-                std::lock_guard guard{state->mutex};
+                std::lock_guard<std::mutex> guard(state->mutex);
                 return std::make_tuple(state->touch_x, state->touch_y, state->touch_pressed);
             }
             return std::make_tuple(0.0f, 0.0f, false);
@@ -83,7 +81,7 @@ void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y) {
     if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y))
         return;
 
-    std::lock_guard guard{touch_state->mutex};
+    std::lock_guard<std::mutex> guard(touch_state->mutex);
     touch_state->touch_x = static_cast<float>(framebuffer_x - framebuffer_layout.screen.left) /
                            (framebuffer_layout.screen.right - framebuffer_layout.screen.left);
     touch_state->touch_y = static_cast<float>(framebuffer_y - framebuffer_layout.screen.top) /
@@ -93,7 +91,7 @@ void EmuWindow::TouchPressed(unsigned framebuffer_x, unsigned framebuffer_y) {
 }
 
 void EmuWindow::TouchReleased() {
-    std::lock_guard guard{touch_state->mutex};
+    std::lock_guard<std::mutex> guard(touch_state->mutex);
     touch_state->touch_pressed = false;
     touch_state->touch_x = 0;
     touch_state->touch_y = 0;

src/core/frontend/emu_window.h

@@ -12,25 +12,6 @@
 
 namespace Core::Frontend {
 
-/**
- * Represents a graphics context that can be used for background computation or drawing. If the
- * graphics backend doesn't require the context, then the implementation of these methods can be
- * stubs
- */
-class GraphicsContext {
-public:
-    virtual ~GraphicsContext();
-
-    /// Makes the graphics context current for the caller thread
-    virtual void MakeCurrent() = 0;
-
-    /// Releases (dunno if this is the "right" word) the context from the caller thread
-    virtual void DoneCurrent() = 0;
-
-    /// Swap buffers to display the next frame
-    virtual void SwapBuffers() = 0;
-};
-
 /**
  * Abstraction class used to provide an interface between emulation code and the frontend
  * (e.g. SDL, QGLWidget, GLFW, etc...).
@@ -49,7 +30,7 @@ public:
  * - DO NOT TREAT THIS CLASS AS A GUI TOOLKIT ABSTRACTION LAYER. That's not what it is. Please
  *   re-read the upper points again and think about it if you don't see this.
  */
-class EmuWindow : public GraphicsContext {
+class EmuWindow {
 public:
     /// Data structure to store emuwindow configuration
     struct WindowConfig {
@@ -59,21 +40,17 @@ public:
         std::pair<unsigned, unsigned> min_client_area_size;
     };
 
+    /// Swap buffers to display the next frame
+    virtual void SwapBuffers() = 0;
+
     /// Polls window events
     virtual void PollEvents() = 0;
 
-    /**
-     * Returns a GraphicsContext that the frontend provides that is shared with the emu window. This
-     * context can be used from other threads for background graphics computation. If the frontend
-     * is using a graphics backend that doesn't need anything specific to run on a different thread,
-     * then it can use a stubbed implemenation for GraphicsContext.
-     *
-     * If the return value is null, then the core should assume that the frontend cannot provide a
-     * Shared Context
-     */
-    virtual std::unique_ptr<GraphicsContext> CreateSharedContext() const {
-        return nullptr;
-    }
+    /// Makes the graphics context current for the caller thread
+    virtual void MakeCurrent() = 0;
+
+    /// Releases (dunno if this is the "right" word) the GLFW context from the caller thread
+    virtual void DoneCurrent() = 0;
 
     /**
      * Signal that a touch pressed event has occurred (e.g. mouse click pressed)
@@ -169,7 +146,8 @@ private:
      * For the request to be honored, EmuWindow implementations will usually reimplement this
      * function.
      */
-    virtual void OnMinimalClientAreaChangeRequest(std::pair<unsigned, unsigned>) {
+    virtual void OnMinimalClientAreaChangeRequest(
+        const std::pair<unsigned, unsigned>& minimal_size) {
         // By default, ignore this request and do nothing.
     }
 

src/core/frontend/framebuffer_layout.cpp

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

src/core/frontend/framebuffer_layout.h

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

src/core/gdbstub/gdbstub.cpp

@@ -1030,7 +1030,7 @@ static void Step() {
 
 /// Tell the CPU if we hit a memory breakpoint.
 bool IsMemoryBreak() {
-    if (!IsConnected()) {
+    if (IsConnected()) {
         return false;
     }
 

src/core/hle/ipc_helpers.h

@@ -139,8 +139,10 @@ public:
             context->AddDomainObject(std::move(iface));
         } else {
             auto& kernel = Core::System::GetInstance().Kernel();
-            auto [server, client] =
+            auto sessions =
                 Kernel::ServerSession::CreateSessionPair(kernel, iface->GetServiceName());
+            auto server = std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions);
+            auto client = std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions);
             iface->ClientConnected(server);
             context->AddMoveObject(std::move(client));
         }
@@ -438,7 +440,7 @@ inline float RequestParser::Pop() {
 template <>
 inline double RequestParser::Pop() {
     const u64 value = Pop<u64>();
-    double real;
+    float real;
     std::memcpy(&real, &value, sizeof(real));
     return real;
 }

src/core/hle/kernel/client_port.cpp

@@ -2,6 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <tuple>
+
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
 #include "core/hle/kernel/errors.h"
@@ -29,18 +31,18 @@ ResultVal<SharedPtr<ClientSession>> ClientPort::Connect() {
     active_sessions++;
 
     // Create a new session pair, let the created sessions inherit the parent port's HLE handler.
-    auto [server, client] = ServerSession::CreateSessionPair(kernel, server_port->GetName(), this);
+    auto sessions = ServerSession::CreateSessionPair(kernel, server_port->GetName(), this);
 
     if (server_port->HasHLEHandler()) {
-        server_port->GetHLEHandler()->ClientConnected(server);
+        server_port->GetHLEHandler()->ClientConnected(std::get<SharedPtr<ServerSession>>(sessions));
     } else {
-        server_port->AppendPendingSession(server);
+        server_port->AppendPendingSession(std::get<SharedPtr<ServerSession>>(sessions));
     }
 
     // Wake the threads waiting on the ServerPort
     server_port->WakeupAllWaitingThreads();
 
-    return MakeResult(client);
+    return MakeResult(std::get<SharedPtr<ClientSession>>(sessions));
 }
 
 void ClientPort::ConnectionClosed() {

src/core/hle/kernel/client_port.h

@@ -25,7 +25,7 @@ public:
         return name;
     }
 
-    static constexpr HandleType HANDLE_TYPE = HandleType::ClientPort;
+    static const HandleType HANDLE_TYPE = HandleType::ClientPort;
     HandleType GetHandleType() const override {
         return HANDLE_TYPE;
     }

src/core/hle/kernel/client_session.h

@@ -29,7 +29,7 @@ public:
         return name;
     }
 
-    static constexpr HandleType HANDLE_TYPE = HandleType::ClientSession;
+    static const HandleType HANDLE_TYPE = HandleType::ClientSession;
     HandleType GetHandleType() const override {
         return HANDLE_TYPE;
     }

src/core/hle/kernel/code_set.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <cstddef>
+#include <memory>
 #include <vector>
 
 #include "common/common_types.h"
@@ -77,7 +78,7 @@ struct CodeSet final {
     }
 
     /// The overall data that backs this code set.
-    std::vector<u8> memory;
+    std::shared_ptr<std::vector<u8>> memory;
 
     /// The segments that comprise this code set.
     std::array<Segment, 3> segments;

src/core/hle/kernel/hle_ipc.cpp

@@ -43,7 +43,7 @@ void SessionRequestHandler::ClientDisconnected(const SharedPtr<ServerSession>& s
 }
 
 SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
-    const std::string& reason, u64 timeout, WakeupCallback&& callback,
+    SharedPtr<Thread> thread, const std::string& reason, u64 timeout, WakeupCallback&& callback,
     SharedPtr<WritableEvent> writable_event) {
     // Put the client thread to sleep until the wait event is signaled or the timeout expires.
     thread->SetWakeupCallback([context = *this, callback](
@@ -58,7 +58,7 @@ SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
     auto& kernel = Core::System::GetInstance().Kernel();
     if (!writable_event) {
         // Create event if not provided
-        const auto pair = WritableEvent::CreateEventPair(kernel, ResetType::Automatic,
+        const auto pair = WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
                                                          "HLE Pause Event: " + reason);
         writable_event = pair.writable;
     }
@@ -76,9 +76,8 @@ SharedPtr<WritableEvent> HLERequestContext::SleepClientThread(
     return writable_event;
 }
 
-HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session,
-                                     SharedPtr<Thread> thread)
-    : server_session(std::move(server_session)), thread(std::move(thread)) {
+HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_session)
+    : server_session(std::move(server_session)) {
     cmd_buf[0] = 0;
 }
 

src/core/hle/kernel/hle_ipc.h

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

src/core/hle/kernel/kernel.cpp

@@ -21,7 +21,6 @@
 #include "core/hle/kernel/thread.h"
 #include "core/hle/lock.h"
 #include "core/hle/result.h"
-#include "core/memory.h"
 
 namespace Kernel {
 
@@ -35,7 +34,7 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_
     const auto& system = Core::System::GetInstance();
 
     // Lock the global kernel mutex when we enter the kernel HLE.
-    std::lock_guard lock{HLE::g_hle_lock};
+    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
 
     SharedPtr<Thread> thread =
         system.Kernel().RetrieveThreadFromWakeupCallbackHandleTable(proper_handle);
@@ -46,7 +45,8 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_
 
     bool resume = true;
 
-    if (thread->GetStatus() == ThreadStatus::WaitSynch ||
+    if (thread->GetStatus() == ThreadStatus::WaitSynchAny ||
+        thread->GetStatus() == ThreadStatus::WaitSynchAll ||
         thread->GetStatus() == ThreadStatus::WaitHLEEvent) {
         // Remove the thread from each of its waiting objects' waitlists
         for (const auto& object : thread->GetWaitObjects()) {
@@ -115,7 +115,7 @@ struct KernelCore::Impl {
 
     // Creates the default system resource limit
     void InitializeSystemResourceLimit(KernelCore& kernel) {
-        system_resource_limit = ResourceLimit::Create(kernel);
+        system_resource_limit = ResourceLimit::Create(kernel, "System");
 
         // If setting the default system values fails, then something seriously wrong has occurred.
         ASSERT(system_resource_limit->SetLimitValue(ResourceType::PhysicalMemory, 0x200000000)
@@ -181,12 +181,6 @@ void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
 
 void KernelCore::MakeCurrentProcess(Process* process) {
     impl->current_process = process;
-
-    if (process == nullptr) {
-        return;
-    }
-
-    Memory::SetCurrentPageTable(*process);
 }
 
 Process* KernelCore::CurrentProcess() {
@@ -197,10 +191,6 @@ const Process* KernelCore::CurrentProcess() const {
     return impl->current_process;
 }
 
-const std::vector<SharedPtr<Process>>& KernelCore::GetProcessList() const {
-    return impl->process_list;
-}
-
 void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
     impl->named_ports.emplace(std::move(name), std::move(port));
 }

src/core/hle/kernel/kernel.h

@@ -72,9 +72,6 @@ public:
     /// Retrieves a const pointer to the current process.
     const Process* CurrentProcess() const;
 
-    /// Retrieves the list of processes.
-    const std::vector<SharedPtr<Process>>& GetProcessList() const;
-
     /// Adds a port to the named port table
     void AddNamedPort(std::string name, SharedPtr<ClientPort> port);
 

src/core/hle/kernel/object.cpp

@@ -24,6 +24,7 @@ bool Object::IsWaitable() const {
     case HandleType::WritableEvent:
     case HandleType::SharedMemory:
     case HandleType::TransferMemory:
+    case HandleType::AddressArbiter:
     case HandleType::ResourceLimit:
     case HandleType::ClientPort:
     case HandleType::ClientSession:

src/core/hle/kernel/object.h

@@ -25,6 +25,7 @@ enum class HandleType : u32 {
     TransferMemory,
     Thread,
     Process,
+    AddressArbiter,
     ResourceLimit,
     ClientPort,
     ServerPort,
@@ -33,8 +34,8 @@ enum class HandleType : u32 {
 };
 
 enum class ResetType {
-    Automatic, ///< Reset automatically on object acquisition
-    Manual,    ///< Never reset automatically
+    OneShot, ///< Reset automatically on object acquisition
+    Sticky,  ///< Never reset automatically
 };
 
 class Object : NonCopyable {

src/core/hle/kernel/process.cpp

@@ -5,7 +5,6 @@
 #include <algorithm>
 #include <memory>
 #include <random>
-#include "common/alignment.h"
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
@@ -28,20 +27,24 @@ namespace {
  *
  * @param owner_process The parent process for the main 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
  */
-void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority) {
-    const auto& vm_manager = owner_process.VMManager();
-    const VAddr entry_point = vm_manager.GetCodeRegionBaseAddress();
-    const VAddr stack_top = vm_manager.GetTLSIORegionEndAddress();
+void SetupMainThread(Process& owner_process, KernelCore& kernel, VAddr entry_point, u32 priority) {
+    // Setup page table so we can write to memory
+    Memory::SetCurrentPageTable(&owner_process.VMManager().page_table);
+
+    // Initialize new "main" thread
+    const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress();
     auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0,
                                      owner_process.GetIdealCore(), stack_top, owner_process);
 
     SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
 
     // Register 1 must be a handle to the main thread
-    const Handle thread_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
-    thread->GetContext().cpu_registers[1] = thread_handle;
+    const Handle guest_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
+    thread->SetGuestHandle(guest_handle);
+    thread->GetContext().cpu_registers[1] = guest_handle;
 
     // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
     thread->ResumeFromWait();
@@ -72,18 +75,6 @@ SharedPtr<ResourceLimit> Process::GetResourceLimit() const {
     return resource_limit;
 }
 
-u64 Process::GetTotalPhysicalMemoryUsed() const {
-    return vm_manager.GetCurrentHeapSize() + main_thread_stack_size + code_memory_size;
-}
-
-void Process::RegisterThread(const Thread* thread) {
-    thread_list.push_back(thread);
-}
-
-void Process::UnregisterThread(const Thread* thread) {
-    thread_list.remove(thread);
-}
-
 ResultCode Process::ClearSignalState() {
     if (status == ProcessStatus::Exited) {
         LOG_ERROR(Kernel, "called on a terminated process instance.");
@@ -116,23 +107,20 @@ ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
     return handle_table.SetSize(capabilities.GetHandleTableSize());
 }
 
-void Process::Run(s32 main_thread_priority, u64 stack_size) {
-    // The kernel always ensures that the given stack size is page aligned.
-    main_thread_stack_size = Common::AlignUp(stack_size, Memory::PAGE_SIZE);
-
+void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
     // Allocate and map the main thread stack
     // TODO(bunnei): This is heap area that should be allocated by the kernel and not mapped as part
     // of the user address space.
-    const VAddr mapping_address = vm_manager.GetTLSIORegionEndAddress() - main_thread_stack_size;
     vm_manager
-        .MapMemoryBlock(mapping_address, std::make_shared<std::vector<u8>>(main_thread_stack_size),
-                        0, main_thread_stack_size, MemoryState::Stack)
+        .MapMemoryBlock(vm_manager.GetTLSIORegionEndAddress() - stack_size,
+                        std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size,
+                        MemoryState::Stack)
         .Unwrap();
 
     vm_manager.LogLayout();
     ChangeStatus(ProcessStatus::Running);
 
-    SetupMainThread(*this, kernel, main_thread_priority);
+    SetupMainThread(*this, kernel, entry_point, main_thread_priority);
 }
 
 void Process::PrepareForTermination() {
@@ -147,7 +135,8 @@ void Process::PrepareForTermination() {
                 continue;
 
             // TODO(Subv): When are the other running/ready threads terminated?
-            ASSERT_MSG(thread->GetStatus() == ThreadStatus::WaitSynch,
+            ASSERT_MSG(thread->GetStatus() == ThreadStatus::WaitSynchAny ||
+                           thread->GetStatus() == ThreadStatus::WaitSynchAll,
                        "Exiting processes with non-waiting threads is currently unimplemented");
 
             thread->Stop();
@@ -221,13 +210,11 @@ void Process::FreeTLSSlot(VAddr tls_address) {
 }
 
 void Process::LoadModule(CodeSet module_, VAddr base_addr) {
-    const auto memory = std::make_shared<std::vector<u8>>(std::move(module_.memory));
-
     const auto MapSegment = [&](const CodeSet::Segment& segment, VMAPermission permissions,
                                 MemoryState memory_state) {
         const auto vma = vm_manager
-                             .MapMemoryBlock(segment.addr + base_addr, memory, segment.offset,
-                                             segment.size, memory_state)
+                             .MapMemoryBlock(segment.addr + base_addr, module_.memory,
+                                             segment.offset, segment.size, memory_state)
                              .Unwrap();
         vm_manager.Reprotect(vma, permissions);
     };
@@ -237,12 +224,12 @@ void Process::LoadModule(CodeSet module_, VAddr base_addr) {
     MapSegment(module_.RODataSegment(), VMAPermission::Read, MemoryState::CodeData);
     MapSegment(module_.DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeData);
 
-    code_memory_size += module_.memory.size();
+    // Clear instruction cache in CPU JIT
+    system.InvalidateCpuInstructionCaches();
 }
 
 Process::Process(Core::System& system)
-    : WaitObject{system.Kernel()}, vm_manager{system},
-      address_arbiter{system}, mutex{system}, system{system} {}
+    : WaitObject{system.Kernel()}, address_arbiter{system}, mutex{system}, system{system} {}
 
 Process::~Process() = default;
 
@@ -250,7 +237,7 @@ void Process::Acquire(Thread* thread) {
     ASSERT_MSG(!ShouldWait(thread), "Object unavailable!");
 }
 
-bool Process::ShouldWait(const Thread* thread) const {
+bool Process::ShouldWait(Thread* thread) const {
     return !is_signaled;
 }
 

src/core/hle/kernel/process.h

@@ -7,7 +7,6 @@
 #include <array>
 #include <bitset>
 #include <cstddef>
-#include <list>
 #include <string>
 #include <vector>
 #include <boost/container/static_vector.hpp>
@@ -85,7 +84,7 @@ public:
         return name;
     }
 
-    static constexpr HandleType HANDLE_TYPE = HandleType::Process;
+    static const HandleType HANDLE_TYPE = HandleType::Process;
     HandleType GetHandleType() const override {
         return HANDLE_TYPE;
     }
@@ -187,22 +186,6 @@ public:
         return random_entropy.at(index);
     }
 
-    /// Retrieves the total physical memory used by this process in bytes.
-    u64 GetTotalPhysicalMemoryUsed() const;
-
-    /// Gets the list of all threads created with this process as their owner.
-    const std::list<const Thread*>& GetThreadList() const {
-        return thread_list;
-    }
-
-    /// Registers a thread as being created under this process,
-    /// adding it to this process' thread list.
-    void RegisterThread(const Thread* thread);
-
-    /// Unregisters a thread from this process, removing it
-    /// from this process' thread list.
-    void UnregisterThread(const Thread* thread);
-
     /// Clears the signaled state of the process if and only if it's signaled.
     ///
     /// @pre The process must not be already terminated. If this is called on a
@@ -225,12 +208,9 @@ public:
     ResultCode LoadFromMetadata(const FileSys::ProgramMetadata& metadata);
 
     /**
-     * Starts the main application thread for this process.
-     *
-     * @param main_thread_priority The priority for the main thread.
-     * @param stack_size           The stack size for the main thread in bytes.
+     * Applies address space changes and launches the process main thread.
      */
-    void Run(s32 main_thread_priority, u64 stack_size);
+    void Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size);
 
     /**
      * Prepares a process for termination by stopping all of its threads
@@ -254,7 +234,7 @@ private:
     ~Process() override;
 
     /// Checks if the specified thread should wait until this process is available.
-    bool ShouldWait(const Thread* thread) const override;
+    bool ShouldWait(Thread* thread) const override;
 
     /// Acquires/locks this process for the specified thread if it's available.
     void Acquire(Thread* thread) override;
@@ -267,12 +247,6 @@ private:
     /// Memory manager for this process.
     Kernel::VMManager vm_manager;
 
-    /// Size of the main thread's stack in bytes.
-    u64 main_thread_stack_size = 0;
-
-    /// Size of the loaded code memory in bytes.
-    u64 code_memory_size = 0;
-
     /// Current status of the process
     ProcessStatus status;
 
@@ -325,9 +299,6 @@ private:
     /// Random values for svcGetInfo RandomEntropy
     std::array<u64, RANDOM_ENTROPY_SIZE> random_entropy;
 
-    /// List of threads that are running with this process as their owner.
-    std::list<const Thread*> thread_list;
-
     /// System context
     Core::System& system;
 

src/core/hle/kernel/readable_event.cpp

@@ -14,16 +14,15 @@ namespace Kernel {
 ReadableEvent::ReadableEvent(KernelCore& kernel) : WaitObject{kernel} {}
 ReadableEvent::~ReadableEvent() = default;
 
-bool ReadableEvent::ShouldWait(const Thread* thread) const {
+bool ReadableEvent::ShouldWait(Thread* thread) const {
     return !signaled;
 }
 
 void ReadableEvent::Acquire(Thread* thread) {
     ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
 
-    if (reset_type == ResetType::Automatic) {
+    if (reset_type == ResetType::OneShot)
         signaled = false;
-    }
 }
 
 void ReadableEvent::Signal() {

src/core/hle/kernel/readable_event.h

@@ -31,12 +31,12 @@ public:
         return reset_type;
     }
 
-    static constexpr HandleType HANDLE_TYPE = HandleType::ReadableEvent;
+    static const HandleType HANDLE_TYPE = HandleType::ReadableEvent;
     HandleType GetHandleType() const override {
         return HANDLE_TYPE;
     }
 
-    bool ShouldWait(const Thread* thread) const override;
+    bool ShouldWait(Thread* thread) const override;
     void Acquire(Thread* thread) override;
 
     /// Unconditionally clears the readable event's state.

src/core/hle/kernel/resource_limit.cpp

@@ -16,8 +16,11 @@ constexpr std::size_t ResourceTypeToIndex(ResourceType type) {
 ResourceLimit::ResourceLimit(KernelCore& kernel) : Object{kernel} {}
 ResourceLimit::~ResourceLimit() = default;
 
-SharedPtr<ResourceLimit> ResourceLimit::Create(KernelCore& kernel) {
-    return new ResourceLimit(kernel);
+SharedPtr<ResourceLimit> ResourceLimit::Create(KernelCore& kernel, std::string name) {
+    SharedPtr<ResourceLimit> resource_limit(new ResourceLimit(kernel));
+
+    resource_limit->name = std::move(name);
+    return resource_limit;
 }
 
 s64 ResourceLimit::GetCurrentResourceValue(ResourceType resource) const {