Skip checking if a u64 is non-negative

It is sufficient to allow the compiler to check if num_handles in
svc.cpp:WaitSynchronization is non-negative because it is unsigned, so
let's not put code (and compiler warnings!) towards that.

.ci/scripts/merge/apply-patches-by-label-private.py

@@ -25,7 +25,7 @@ def check_individual(repo_id, pr_id):
 
 def merge_pr(pn, ref):
     print("Matched PR# %s" % pn)
-    print(subprocess.check_output(["git", "fetch", "https://%sdev.azure.com/%s/_git/%s" % (user, org, repo), ref, "-f", "--no-recurse-submodules"]))
+    print(subprocess.check_output(["git", "fetch", "https://%sdev.azure.com/%s/_git/%s" % (user, org, repo), ref, "-f"]))
     print(subprocess.check_output(["git", "merge", "--squash", 'origin/' + ref.replace('refs/heads/','')]))
     print(subprocess.check_output(["git", "commit", "-m\"Merge %s PR %s\"" % (tagline, pn)]))
 

.ci/scripts/merge/apply-patches-by-label.py

@@ -1,7 +1,7 @@
 # Download all pull requests as patches that match a specific label
 # Usage: python download-patches-by-label.py <Label to Match> <Root Path Folder to DL to>
 
-import requests, sys, json, urllib3.request, shutil, subprocess, os, traceback
+import requests, sys, json, urllib3.request, shutil, subprocess, os
 
 tagline = sys.argv[2]
 
@@ -25,7 +25,7 @@ def do_page(page):
             if (check_individual(pr["labels"])):
                 pn = pr["number"]
                 print("Matched PR# %s" % pn)
-                print(subprocess.check_output(["git", "fetch", "https://github.com/yuzu-emu/yuzu.git", "pull/%s/head:pr-%s" % (pn, pn), "-f", "--no-recurse-submodules"]))
+                print(subprocess.check_output(["git", "fetch", "https://github.com/yuzu-emu/yuzu.git", "pull/%s/head:pr-%s" % (pn, pn), "-f"]))
                 print(subprocess.check_output(["git", "merge", "--squash", "pr-%s" % pn]))
                 print(subprocess.check_output(["git", "commit", "-m\"Merge %s PR %s\"" % (tagline, pn)]))
 
@@ -33,5 +33,4 @@ try:
     for i in range(1,30):
         do_page(i)
 except:
-    traceback.print_exc(file=sys.stdout)
     sys.exit(-1)

CMakeLists.txt

@@ -57,7 +57,7 @@ function(check_submodules_present)
         string(REGEX REPLACE "path *= *" "" module ${module})
         if (NOT EXISTS "${PROJECT_SOURCE_DIR}/${module}/.git")
             message(FATAL_ERROR "Git submodule ${module} not found. "
-                    "Please run: \ngit submodule update --init --recursive")
+                    "Please run: git submodule update --init --recursive")
         endif()
     endforeach()
 endfunction()
@@ -166,7 +166,7 @@ macro(yuzu_find_packages)
     # Capitalization matters here. We need the naming to match the generated paths from Conan
     set(REQUIRED_LIBS
     #    Cmake Pkg Prefix  Version     Conan Pkg
-        "Catch2            2.13.7      catch2/2.13.7"
+        "Catch2            2.13        catch2/2.13.0"
         "fmt               8.0         fmt/8.0.0"
         "lz4               1.8         lz4/1.9.2"
         "nlohmann_json     3.8         nlohmann_json/3.8.0"
@@ -600,7 +600,6 @@ if (YUZU_USE_BUNDLED_FFMPEG)
                 ${LIBVA_LIBRARIES})
             set(FFmpeg_HWACCEL_FLAGS
                 --enable-hwaccel=h264_vaapi
-                --enable-hwaccel=vp8_vaapi
                 --enable-hwaccel=vp9_vaapi
                 --enable-libdrm)
             list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS
@@ -621,7 +620,6 @@ if (YUZU_USE_BUNDLED_FFMPEG)
                 --enable-ffnvcodec
                 --enable-nvdec
                 --enable-hwaccel=h264_nvdec
-                --enable-hwaccel=vp8_nvdec
                 --enable-hwaccel=vp9_nvdec
                 --extra-cflags=-I${CUDA_INCLUDE_DIRS}
             )
@@ -672,7 +670,6 @@ if (YUZU_USE_BUNDLED_FFMPEG)
                     --disable-postproc
                     --disable-swresample
                     --enable-decoder=h264
-                    --enable-decoder=vp8
                     --enable-decoder=vp9
                     --cc="${CMAKE_C_COMPILER}"
                     --cxx="${CMAKE_CXX_COMPILER}"

externals/FidelityFX-FSR/license.txt

@@ -1,19 +0,0 @@
-Copyright (c) 2021 Advanced Micro Devices, Inc. All rights reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.

src/common/CMakeLists.txt

@@ -55,7 +55,6 @@ add_library(common STATIC
     dynamic_library.h
     error.cpp
     error.h
-    expected.h
     fiber.cpp
     fiber.h
     fs/file.cpp

src/common/bit_util.h

@@ -7,7 +7,6 @@
 #include <bit>
 #include <climits>
 #include <cstddef>
-#include <type_traits>
 
 #include "common/common_types.h"
 
@@ -45,10 +44,4 @@ template <typename T>
     return static_cast<u32>(log2_f + static_cast<u64>((value ^ (1ULL << log2_f)) != 0ULL));
 }
 
-template <typename T>
-requires std::is_integral_v<T>
-[[nodiscard]] T NextPow2(T value) {
-    return static_cast<T>(1ULL << ((8U * sizeof(T)) - std::countl_zero(value - 1U)));
-}
-
 } // namespace Common

src/common/expected.h

@@ -1,987 +0,0 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-// This is based on the proposed implementation of std::expected (P0323)
-// https://github.com/TartanLlama/expected/blob/master/include/tl/expected.hpp
-
-#pragma once
-
-#include <type_traits>
-#include <utility>
-
-namespace Common {
-
-template <typename T, typename E>
-class Expected;
-
-template <typename E>
-class Unexpected {
-public:
-    Unexpected() = delete;
-
-    constexpr explicit Unexpected(const E& e) : m_val{e} {}
-
-    constexpr explicit Unexpected(E&& e) : m_val{std::move(e)} {}
-
-    constexpr E& value() & {
-        return m_val;
-    }
-
-    constexpr const E& value() const& {
-        return m_val;
-    }
-
-    constexpr E&& value() && {
-        return std::move(m_val);
-    }
-
-    constexpr const E&& value() const&& {
-        return std::move(m_val);
-    }
-
-private:
-    E m_val;
-};
-
-template <typename E>
-constexpr auto operator<=>(const Unexpected<E>& lhs, const Unexpected<E>& rhs) {
-    return lhs.value() <=> rhs.value();
-}
-
-struct unexpect_t {
-    constexpr explicit unexpect_t() = default;
-};
-
-namespace detail {
-
-struct no_init_t {
-    constexpr explicit no_init_t() = default;
-};
-
-/**
- * This specialization is for when T is not trivially destructible,
- * so the destructor must be called on destruction of `expected'
- * Additionally, this requires E to be trivially destructible
- */
-template <typename T, typename E, bool = std::is_trivially_destructible_v<T>>
-requires std::is_trivially_destructible_v<E>
-struct expected_storage_base {
-    constexpr expected_storage_base() : m_val{T{}}, m_has_val{true} {}
-
-    constexpr expected_storage_base(no_init_t) : m_has_val{false} {}
-
-    template <typename... Args, std::enable_if_t<std::is_constructible_v<T, Args&&...>>* = nullptr>
-    constexpr expected_storage_base(std::in_place_t, Args&&... args)
-        : m_val{std::forward<Args>(args)...}, m_has_val{true} {}
-
-    template <typename U, typename... Args,
-              std::enable_if_t<std::is_constructible_v<T, std::initializer_list<U>&, Args&&...>>* =
-                  nullptr>
-    constexpr expected_storage_base(std::in_place_t, std::initializer_list<U> il, Args&&... args)
-        : m_val{il, std::forward<Args>(args)...}, m_has_val{true} {}
-
-    template <typename... Args, std::enable_if_t<std::is_constructible_v<E, Args&&...>>* = nullptr>
-    constexpr explicit expected_storage_base(unexpect_t, Args&&... args)
-        : m_unexpect{std::forward<Args>(args)...}, m_has_val{false} {}
-
-    template <typename U, typename... Args,
-              std::enable_if_t<std::is_constructible_v<E, std::initializer_list<U>&, Args&&...>>* =
-                  nullptr>
-    constexpr explicit expected_storage_base(unexpect_t, std::initializer_list<U> il,
-                                             Args&&... args)
-        : m_unexpect{il, std::forward<Args>(args)...}, m_has_val{false} {}
-
-    ~expected_storage_base() {
-        if (m_has_val) {
-            m_val.~T();
-        }
-    }
-
-    union {
-        T m_val;
-        Unexpected<E> m_unexpect;
-    };
-
-    bool m_has_val;
-};
-
-/**
- * This specialization is for when T is trivially destructible,
- * so the destructor of `expected` can be trivial
- * Additionally, this requires E to be trivially destructible
- */
-template <typename T, typename E>
-requires std::is_trivially_destructible_v<E>
-struct expected_storage_base<T, E, true> {
-    constexpr expected_storage_base() : m_val{T{}}, m_has_val{true} {}
-
-    constexpr expected_storage_base(no_init_t) : m_has_val{false} {}
-
-    template <typename... Args, std::enable_if_t<std::is_constructible_v<T, Args&&...>>* = nullptr>
-    constexpr expected_storage_base(std::in_place_t, Args&&... args)
-        : m_val{std::forward<Args>(args)...}, m_has_val{true} {}
-
-    template <typename U, typename... Args,
-              std::enable_if_t<std::is_constructible_v<T, std::initializer_list<U>&, Args&&...>>* =
-                  nullptr>
-    constexpr expected_storage_base(std::in_place_t, std::initializer_list<U> il, Args&&... args)
-        : m_val{il, std::forward<Args>(args)...}, m_has_val{true} {}
-
-    template <typename... Args, std::enable_if_t<std::is_constructible_v<E, Args&&...>>* = nullptr>
-    constexpr explicit expected_storage_base(unexpect_t, Args&&... args)
-        : m_unexpect{std::forward<Args>(args)...}, m_has_val{false} {}
-
-    template <typename U, typename... Args,
-              std::enable_if_t<std::is_constructible_v<E, std::initializer_list<U>&, Args&&...>>* =
-                  nullptr>
-    constexpr explicit expected_storage_base(unexpect_t, std::initializer_list<U> il,
-                                             Args&&... args)
-        : m_unexpect{il, std::forward<Args>(args)...}, m_has_val{false} {}
-
-    ~expected_storage_base() = default;
-
-    union {
-        T m_val;
-        Unexpected<E> m_unexpect;
-    };
-
-    bool m_has_val;
-};
-
-template <typename T, typename E>
-struct expected_operations_base : expected_storage_base<T, E> {
-    using expected_storage_base<T, E>::expected_storage_base;
-
-    template <typename... Args>
-    void construct(Args&&... args) noexcept {
-        new (std::addressof(this->m_val)) T{std::forward<Args>(args)...};
-        this->m_has_val = true;
-    }
-
-    template <typename Rhs>
-    void construct_with(Rhs&& rhs) noexcept {
-        new (std::addressof(this->m_val)) T{std::forward<Rhs>(rhs).get()};
-        this->m_has_val = true;
-    }
-
-    template <typename... Args>
-    void construct_error(Args&&... args) noexcept {
-        new (std::addressof(this->m_unexpect)) Unexpected<E>{std::forward<Args>(args)...};
-        this->m_has_val = false;
-    }
-
-    void assign(const expected_operations_base& rhs) noexcept {
-        if (!this->m_has_val && rhs.m_has_val) {
-            geterr().~Unexpected<E>();
-            construct(rhs.get());
-        } else {
-            assign_common(rhs);
-        }
-    }
-
-    void assign(expected_operations_base&& rhs) noexcept {
-        if (!this->m_has_val && rhs.m_has_val) {
-            geterr().~Unexpected<E>();
-            construct(std::move(rhs).get());
-        } else {
-            assign_common(rhs);
-        }
-    }
-
-    template <typename Rhs>
-    void assign_common(Rhs&& rhs) {
-        if (this->m_has_val) {
-            if (rhs.m_has_val) {
-                get() = std::forward<Rhs>(rhs).get();
-            } else {
-                destroy_val();
-                construct_error(std::forward<Rhs>(rhs).geterr());
-            }
-        } else {
-            if (!rhs.m_has_val) {
-                geterr() = std::forward<Rhs>(rhs).geterr();
-            }
-        }
-    }
-
-    bool has_value() const {
-        return this->m_has_val;
-    }
-
-    constexpr T& get() & {
-        return this->m_val;
-    }
-
-    constexpr const T& get() const& {
-        return this->m_val;
-    }
-
-    constexpr T&& get() && {
-        return std::move(this->m_val);
-    }
-
-    constexpr const T&& get() const&& {
-        return std::move(this->m_val);
-    }
-
-    constexpr Unexpected<E>& geterr() & {
-        return this->m_unexpect;
-    }
-
-    constexpr const Unexpected<E>& geterr() const& {
-        return this->m_unexpect;
-    }
-
-    constexpr Unexpected<E>&& geterr() && {
-        return std::move(this->m_unexpect);
-    }
-
-    constexpr const Unexpected<E>&& geterr() const&& {
-        return std::move(this->m_unexpect);
-    }
-
-    constexpr void destroy_val() {
-        get().~T();
-    }
-};
-
-/**
- * This manages conditionally having a trivial copy constructor
- * This specialization is for when T is trivially copy constructible
- * Additionally, this requires E to be trivially copy constructible
- */
-template <typename T, typename E, bool = std::is_trivially_copy_constructible_v<T>>
-requires std::is_trivially_copy_constructible_v<E>
-struct expected_copy_base : expected_operations_base<T, E> {
-    using expected_operations_base<T, E>::expected_operations_base;
-};
-
-/**
- * This specialization is for when T is not trivially copy constructible
- * Additionally, this requires E to be trivially copy constructible
- */
-template <typename T, typename E>
-requires std::is_trivially_copy_constructible_v<E>
-struct expected_copy_base<T, E, false> : expected_operations_base<T, E> {
-    using expected_operations_base<T, E>::expected_operations_base;
-
-    expected_copy_base() = default;
-
-    expected_copy_base(const expected_copy_base& rhs)
-        : expected_operations_base<T, E>{no_init_t{}} {
-        if (rhs.has_value()) {
-            this->construct_with(rhs);
-        } else {
-            this->construct_error(rhs.geterr());
-        }
-    }
-
-    expected_copy_base(expected_copy_base&&) = default;
-
-    expected_copy_base& operator=(const expected_copy_base&) = default;
-
-    expected_copy_base& operator=(expected_copy_base&&) = default;
-};
-
-/**
- * This manages conditionally having a trivial move constructor
- * This specialization is for when T is trivially move constructible
- * Additionally, this requires E to be trivially move constructible
- */
-template <typename T, typename E, bool = std::is_trivially_move_constructible_v<T>>
-requires std::is_trivially_move_constructible_v<E>
-struct expected_move_base : expected_copy_base<T, E> {
-    using expected_copy_base<T, E>::expected_copy_base;
-};
-
-/**
- * This specialization is for when T is not trivially move constructible
- * Additionally, this requires E to be trivially move constructible
- */
-template <typename T, typename E>
-requires std::is_trivially_move_constructible_v<E>
-struct expected_move_base<T, E, false> : expected_copy_base<T, E> {
-    using expected_copy_base<T, E>::expected_copy_base;
-
-    expected_move_base() = default;
-
-    expected_move_base(const expected_move_base&) = default;
-
-    expected_move_base(expected_move_base&& rhs) noexcept(std::is_nothrow_move_constructible_v<T>)
-        : expected_copy_base<T, E>{no_init_t{}} {
-        if (rhs.has_value()) {
-            this->construct_with(std::move(rhs));
-        } else {
-            this->construct_error(std::move(rhs.geterr()));
-        }
-    }
-
-    expected_move_base& operator=(const expected_move_base&) = default;
-
-    expected_move_base& operator=(expected_move_base&&) = default;
-};
-
-/**
- * This manages conditionally having a trivial copy assignment operator
- * This specialization is for when T is trivially copy assignable
- * Additionally, this requires E to be trivially copy assignable
- */
-template <typename T, typename E,
-          bool = std::conjunction_v<std::is_trivially_copy_assignable<T>,
-                                    std::is_trivially_copy_constructible<T>,
-                                    std::is_trivially_destructible<T>>>
-requires std::conjunction_v<std::is_trivially_copy_assignable<E>,
-                            std::is_trivially_copy_constructible<E>,
-                            std::is_trivially_destructible<E>>
-struct expected_copy_assign_base : expected_move_base<T, E> {
-    using expected_move_base<T, E>::expected_move_base;
-};
-
-/**
- * This specialization is for when T is not trivially copy assignable
- * Additionally, this requires E to be trivially copy assignable
- */
-template <typename T, typename E>
-requires std::conjunction_v<std::is_trivially_copy_assignable<E>,
-                            std::is_trivially_copy_constructible<E>,
-                            std::is_trivially_destructible<E>>
-struct expected_copy_assign_base<T, E, false> : expected_move_base<T, E> {
-    using expected_move_base<T, E>::expected_move_base;
-
-    expected_copy_assign_base() = default;
-
-    expected_copy_assign_base(const expected_copy_assign_base&) = default;
-
-    expected_copy_assign_base(expected_copy_assign_base&&) = default;
-
-    expected_copy_assign_base& operator=(const expected_copy_assign_base& rhs) {
-        this->assign(rhs);
-        return *this;
-    }
-
-    expected_copy_assign_base& operator=(expected_copy_assign_base&&) = default;
-};
-
-/**
- * This manages conditionally having a trivial move assignment operator
- * This specialization is for when T is trivially move assignable
- * Additionally, this requires E to be trivially move assignable
- */
-template <typename T, typename E,
-          bool = std::conjunction_v<std::is_trivially_move_assignable<T>,
-                                    std::is_trivially_move_constructible<T>,
-                                    std::is_trivially_destructible<T>>>
-requires std::conjunction_v<std::is_trivially_move_assignable<E>,
-                            std::is_trivially_move_constructible<E>,
-                            std::is_trivially_destructible<E>>
-struct expected_move_assign_base : expected_copy_assign_base<T, E> {
-    using expected_copy_assign_base<T, E>::expected_copy_assign_base;
-};
-
-/**
- * This specialization is for when T is not trivially move assignable
- * Additionally, this requires E to be trivially move assignable
- */
-template <typename T, typename E>
-requires std::conjunction_v<std::is_trivially_move_assignable<E>,
-                            std::is_trivially_move_constructible<E>,
-                            std::is_trivially_destructible<E>>
-struct expected_move_assign_base<T, E, false> : expected_copy_assign_base<T, E> {
-    using expected_copy_assign_base<T, E>::expected_copy_assign_base;
-
-    expected_move_assign_base() = default;
-
-    expected_move_assign_base(const expected_move_assign_base&) = default;
-
-    expected_move_assign_base(expected_move_assign_base&&) = default;
-
-    expected_move_assign_base& operator=(const expected_move_assign_base&) = default;
-
-    expected_move_assign_base& operator=(expected_move_assign_base&& rhs) noexcept(
-        std::conjunction_v<std::is_nothrow_move_constructible<T>,
-                           std::is_nothrow_move_assignable<T>>) {
-        this->assign(std::move(rhs));
-        return *this;
-    }
-};
-
-/**
- * expected_delete_ctor_base will conditionally delete copy and move constructors
- * depending on whether T is copy/move constructible
- * Additionally, this requires E to be copy/move constructible
- */
-template <typename T, typename E, bool EnableCopy = std::is_copy_constructible_v<T>,
-          bool EnableMove = std::is_move_constructible_v<T>>
-requires std::conjunction_v<std::is_copy_constructible<E>, std::is_move_constructible<E>>
-struct expected_delete_ctor_base {
-    expected_delete_ctor_base() = default;
-    expected_delete_ctor_base(const expected_delete_ctor_base&) = default;
-    expected_delete_ctor_base(expected_delete_ctor_base&&) noexcept = default;
-    expected_delete_ctor_base& operator=(const expected_delete_ctor_base&) = default;
-    expected_delete_ctor_base& operator=(expected_delete_ctor_base&&) noexcept = default;
-};
-
-template <typename T, typename E>
-requires std::conjunction_v<std::is_copy_constructible<E>, std::is_move_constructible<E>>
-struct expected_delete_ctor_base<T, E, true, false> {
-    expected_delete_ctor_base() = default;
-    expected_delete_ctor_base(const expected_delete_ctor_base&) = default;
-    expected_delete_ctor_base(expected_delete_ctor_base&&) noexcept = delete;
-    expected_delete_ctor_base& operator=(const expected_delete_ctor_base&) = default;
-    expected_delete_ctor_base& operator=(expected_delete_ctor_base&&) noexcept = default;
-};
-
-template <typename T, typename E>
-requires std::conjunction_v<std::is_copy_constructible<E>, std::is_move_constructible<E>>
-struct expected_delete_ctor_base<T, E, false, true> {
-    expected_delete_ctor_base() = default;
-    expected_delete_ctor_base(const expected_delete_ctor_base&) = delete;
-    expected_delete_ctor_base(expected_delete_ctor_base&&) noexcept = default;
-    expected_delete_ctor_base& operator=(const expected_delete_ctor_base&) = default;
-    expected_delete_ctor_base& operator=(expected_delete_ctor_base&&) noexcept = default;
-};
-
-template <typename T, typename E>
-requires std::conjunction_v<std::is_copy_constructible<E>, std::is_move_constructible<E>>
-struct expected_delete_ctor_base<T, E, false, false> {
-    expected_delete_ctor_base() = default;
-    expected_delete_ctor_base(const expected_delete_ctor_base&) = delete;
-    expected_delete_ctor_base(expected_delete_ctor_base&&) noexcept = delete;
-    expected_delete_ctor_base& operator=(const expected_delete_ctor_base&) = default;
-    expected_delete_ctor_base& operator=(expected_delete_ctor_base&&) noexcept = default;
-};
-
-/**
- * expected_delete_assign_base will conditionally delete copy and move assignment operators
- * depending on whether T is copy/move constructible + assignable
- * Additionally, this requires E to be copy/move constructible + assignable
- */
-template <
-    typename T, typename E,
-    bool EnableCopy = std::conjunction_v<std::is_copy_constructible<T>, std::is_copy_assignable<T>>,
-    bool EnableMove = std::conjunction_v<std::is_move_constructible<T>, std::is_move_assignable<T>>>
-requires std::conjunction_v<std::is_copy_constructible<E>, std::is_move_constructible<E>,
-                            std::is_copy_assignable<E>, std::is_move_assignable<E>>
-struct expected_delete_assign_base {
-    expected_delete_assign_base() = default;
-    expected_delete_assign_base(const expected_delete_assign_base&) = default;
-    expected_delete_assign_base(expected_delete_assign_base&&) noexcept = default;
-    expected_delete_assign_base& operator=(const expected_delete_assign_base&) = default;
-    expected_delete_assign_base& operator=(expected_delete_assign_base&&) noexcept = default;
-};
-
-template <typename T, typename E>
-requires std::conjunction_v<std::is_copy_constructible<E>, std::is_move_constructible<E>,
-                            std::is_copy_assignable<E>, std::is_move_assignable<E>>
-struct expected_delete_assign_base<T, E, true, false> {
-    expected_delete_assign_base() = default;
-    expected_delete_assign_base(const expected_delete_assign_base&) = default;
-    expected_delete_assign_base(expected_delete_assign_base&&) noexcept = default;
-    expected_delete_assign_base& operator=(const expected_delete_assign_base&) = default;
-    expected_delete_assign_base& operator=(expected_delete_assign_base&&) noexcept = delete;
-};
-
-template <typename T, typename E>
-requires std::conjunction_v<std::is_copy_constructible<E>, std::is_move_constructible<E>,
-                            std::is_copy_assignable<E>, std::is_move_assignable<E>>
-struct expected_delete_assign_base<T, E, false, true> {
-    expected_delete_assign_base() = default;
-    expected_delete_assign_base(const expected_delete_assign_base&) = default;
-    expected_delete_assign_base(expected_delete_assign_base&&) noexcept = default;
-    expected_delete_assign_base& operator=(const expected_delete_assign_base&) = delete;
-    expected_delete_assign_base& operator=(expected_delete_assign_base&&) noexcept = default;
-};
-
-template <typename T, typename E>
-requires std::conjunction_v<std::is_copy_constructible<E>, std::is_move_constructible<E>,
-                            std::is_copy_assignable<E>, std::is_move_assignable<E>>
-struct expected_delete_assign_base<T, E, false, false> {
-    expected_delete_assign_base() = default;
-    expected_delete_assign_base(const expected_delete_assign_base&) = default;
-    expected_delete_assign_base(expected_delete_assign_base&&) noexcept = default;
-    expected_delete_assign_base& operator=(const expected_delete_assign_base&) = delete;
-    expected_delete_assign_base& operator=(expected_delete_assign_base&&) noexcept = delete;
-};
-
-/**
- * This is needed to be able to construct the expected_default_ctor_base which follows,
- * while still conditionally deleting the default constructor.
- */
-struct default_constructor_tag {
-    constexpr explicit default_constructor_tag() = default;
-};
-
-/**
- * expected_default_ctor_base will ensure that expected
- * has a deleted default constructor if T is not default constructible
- * This specialization is for when T is default constructible
- */
-template <typename T, typename E, bool Enable = std::is_default_constructible_v<T>>
-struct expected_default_ctor_base {
-    constexpr expected_default_ctor_base() noexcept = default;
-    constexpr expected_default_ctor_base(expected_default_ctor_base const&) noexcept = default;
-    constexpr expected_default_ctor_base(expected_default_ctor_base&&) noexcept = default;
-    expected_default_ctor_base& operator=(expected_default_ctor_base const&) noexcept = default;
-    expected_default_ctor_base& operator=(expected_default_ctor_base&&) noexcept = default;
-
-    constexpr explicit expected_default_ctor_base(default_constructor_tag) {}
-};
-
-template <typename T, typename E>
-struct expected_default_ctor_base<T, E, false> {
-    constexpr expected_default_ctor_base() noexcept = delete;
-    constexpr expected_default_ctor_base(expected_default_ctor_base const&) noexcept = default;
-    constexpr expected_default_ctor_base(expected_default_ctor_base&&) noexcept = default;
-    expected_default_ctor_base& operator=(expected_default_ctor_base const&) noexcept = default;
-    expected_default_ctor_base& operator=(expected_default_ctor_base&&) noexcept = default;
-
-    constexpr explicit expected_default_ctor_base(default_constructor_tag) {}
-};
-
-template <typename T, typename E, typename U>
-using expected_enable_forward_value =
-    std::enable_if_t<std::is_constructible_v<T, U&&> &&
-                     !std::is_same_v<std::remove_cvref_t<U>, std::in_place_t> &&
-                     !std::is_same_v<Expected<T, E>, std::remove_cvref_t<U>> &&
-                     !std::is_same_v<Unexpected<E>, std::remove_cvref_t<U>>>;
-
-template <typename T, typename E, typename U, typename G, typename UR, typename GR>
-using expected_enable_from_other = std::enable_if_t<
-    std::is_constructible_v<T, UR> && std::is_constructible_v<E, GR> &&
-    !std::is_constructible_v<T, Expected<U, G>&> && !std::is_constructible_v<T, Expected<U, G>&&> &&
-    !std::is_constructible_v<T, const Expected<U, G>&> &&
-    !std::is_constructible_v<T, const Expected<U, G>&&> &&
-    !std::is_convertible_v<Expected<U, G>&, T> && !std::is_convertible_v<Expected<U, G>&&, T> &&
-    !std::is_convertible_v<const Expected<U, G>&, T> &&
-    !std::is_convertible_v<const Expected<U, G>&&, T>>;
-
-} // namespace detail
-
-template <typename T, typename E>
-class Expected : private detail::expected_move_assign_base<T, E>,
-                 private detail::expected_delete_ctor_base<T, E>,
-                 private detail::expected_delete_assign_base<T, E>,
-                 private detail::expected_default_ctor_base<T, E> {
-public:
-    using value_type = T;
-    using error_type = E;
-    using unexpected_type = Unexpected<E>;
-
-    constexpr Expected() = default;
-    constexpr Expected(const Expected&) = default;
-    constexpr Expected(Expected&&) = default;
-    Expected& operator=(const Expected&) = default;
-    Expected& operator=(Expected&&) = default;
-
-    template <typename... Args, std::enable_if_t<std::is_constructible_v<T, Args&&...>>* = nullptr>
-    constexpr Expected(std::in_place_t, Args&&... args)
-        : impl_base{std::in_place, std::forward<Args>(args)...},
-          ctor_base{detail::default_constructor_tag{}} {}
-
-    template <typename U, typename... Args,
-              std::enable_if_t<std::is_constructible_v<T, std::initializer_list<U>&, Args&&...>>* =
-                  nullptr>
-    constexpr Expected(std::in_place_t, std::initializer_list<U> il, Args&&... args)
-        : impl_base{std::in_place, il, std::forward<Args>(args)...},
-          ctor_base{detail::default_constructor_tag{}} {}
-
-    template <typename G = E, std::enable_if_t<std::is_constructible_v<E, const G&>>* = nullptr,
-              std::enable_if_t<!std::is_convertible_v<const G&, E>>* = nullptr>
-    constexpr explicit Expected(const Unexpected<G>& e)
-        : impl_base{unexpect_t{}, e.value()}, ctor_base{detail::default_constructor_tag{}} {}
-
-    template <typename G = E, std::enable_if_t<std::is_constructible_v<E, const G&>>* = nullptr,
-              std::enable_if_t<std::is_convertible_v<const G&, E>>* = nullptr>
-    constexpr Expected(Unexpected<G> const& e)
-        : impl_base{unexpect_t{}, e.value()}, ctor_base{detail::default_constructor_tag{}} {}
-
-    template <typename G = E, std::enable_if_t<std::is_constructible_v<E, G&&>>* = nullptr,
-              std::enable_if_t<!std::is_convertible_v<G&&, E>>* = nullptr>
-    constexpr explicit Expected(Unexpected<G>&& e) noexcept(std::is_nothrow_constructible_v<E, G&&>)
-        : impl_base{unexpect_t{}, std::move(e.value())}, ctor_base{
-                                                             detail::default_constructor_tag{}} {}
-
-    template <typename G = E, std::enable_if_t<std::is_constructible_v<E, G&&>>* = nullptr,
-              std::enable_if_t<std::is_convertible_v<G&&, E>>* = nullptr>
-    constexpr Expected(Unexpected<G>&& e) noexcept(std::is_nothrow_constructible_v<E, G&&>)
-        : impl_base{unexpect_t{}, std::move(e.value())}, ctor_base{
-                                                             detail::default_constructor_tag{}} {}
-
-    template <typename... Args, std::enable_if_t<std::is_constructible_v<E, Args&&...>>* = nullptr>
-    constexpr explicit Expected(unexpect_t, Args&&... args)
-        : impl_base{unexpect_t{}, std::forward<Args>(args)...},
-          ctor_base{detail::default_constructor_tag{}} {}
-
-    template <typename U, typename... Args,
-              std::enable_if_t<std::is_constructible_v<E, std::initializer_list<U>&, Args&&...>>* =
-                  nullptr>
-    constexpr explicit Expected(unexpect_t, std::initializer_list<U> il, Args&&... args)
-        : impl_base{unexpect_t{}, il, std::forward<Args>(args)...},
-          ctor_base{detail::default_constructor_tag{}} {}
-
-    template <typename U, typename G,
-              std::enable_if_t<!(std::is_convertible_v<U const&, T> &&
-                                 std::is_convertible_v<G const&, E>)>* = nullptr,
-              detail::expected_enable_from_other<T, E, U, G, const U&, const G&>* = nullptr>
-    constexpr explicit Expected(const Expected<U, G>& rhs)
-        : ctor_base{detail::default_constructor_tag{}} {
-        if (rhs.has_value()) {
-            this->construct(*rhs);
-        } else {
-            this->construct_error(rhs.error());
-        }
-    }
-
-    template <typename U, typename G,
-              std::enable_if_t<(std::is_convertible_v<U const&, T> &&
-                                std::is_convertible_v<G const&, E>)>* = nullptr,
-              detail::expected_enable_from_other<T, E, U, G, const U&, const G&>* = nullptr>
-    constexpr Expected(const Expected<U, G>& rhs) : ctor_base{detail::default_constructor_tag{}} {
-        if (rhs.has_value()) {
-            this->construct(*rhs);
-        } else {
-            this->construct_error(rhs.error());
-        }
-    }
-
-    template <typename U, typename G,
-              std::enable_if_t<!(std::is_convertible_v<U&&, T> && std::is_convertible_v<G&&, E>)>* =
-                  nullptr,
-              detail::expected_enable_from_other<T, E, U, G, U&&, G&&>* = nullptr>
-    constexpr explicit Expected(Expected<U, G>&& rhs)
-        : ctor_base{detail::default_constructor_tag{}} {
-        if (rhs.has_value()) {
-            this->construct(std::move(*rhs));
-        } else {
-            this->construct_error(std::move(rhs.error()));
-        }
-    }
-
-    template <typename U, typename G,
-              std::enable_if_t<(std::is_convertible_v<U&&, T> && std::is_convertible_v<G&&, E>)>* =
-                  nullptr,
-              detail::expected_enable_from_other<T, E, U, G, U&&, G&&>* = nullptr>
-    constexpr Expected(Expected<U, G>&& rhs) : ctor_base{detail::default_constructor_tag{}} {
-        if (rhs.has_value()) {
-            this->construct(std::move(*rhs));
-        } else {
-            this->construct_error(std::move(rhs.error()));
-        }
-    }
-
-    template <typename U = T, std::enable_if_t<!std::is_convertible_v<U&&, T>>* = nullptr,
-              detail::expected_enable_forward_value<T, E, U>* = nullptr>
-    constexpr explicit Expected(U&& v) : Expected{std::in_place, std::forward<U>(v)} {}
-
-    template <typename U = T, std::enable_if_t<std::is_convertible_v<U&&, T>>* = nullptr,
-              detail::expected_enable_forward_value<T, E, U>* = nullptr>
-    constexpr Expected(U&& v) : Expected{std::in_place, std::forward<U>(v)} {}
-
-    template <typename U = T, typename G = T,
-              std::enable_if_t<std::is_nothrow_constructible_v<T, U&&>>* = nullptr,
-              std::enable_if_t<(
-                  !std::is_same_v<Expected<T, E>, std::remove_cvref_t<U>> &&
-                  !std::conjunction_v<std::is_scalar<T>, std::is_same<T, std::remove_cvref_t<U>>> &&
-                  std::is_constructible_v<T, U> && std::is_assignable_v<G&, U> &&
-                  std::is_nothrow_move_constructible_v<E>)>* = nullptr>
-    Expected& operator=(U&& v) {
-        if (has_value()) {
-            val() = std::forward<U>(v);
-        } else {
-            err().~Unexpected<E>();
-            new (valptr()) T{std::forward<U>(v)};
-            this->m_has_val = true;
-        }
-
-        return *this;
-    }
-
-    template <typename U = T, typename G = T,
-              std::enable_if_t<!std::is_nothrow_constructible_v<T, U&&>>* = nullptr,
-              std::enable_if_t<(
-                  !std::is_same_v<Expected<T, E>, std::remove_cvref_t<U>> &&
-                  !std::conjunction_v<std::is_scalar<T>, std::is_same<T, std::remove_cvref_t<U>>> &&
-                  std::is_constructible_v<T, U> && std::is_assignable_v<G&, U> &&
-                  std::is_nothrow_move_constructible_v<E>)>* = nullptr>
-    Expected& operator=(U&& v) {
-        if (has_value()) {
-            val() = std::forward<U>(v);
-        } else {
-            auto tmp = std::move(err());
-            err().~Unexpected<E>();
-            new (valptr()) T{std::forward<U>(v)};
-            this->m_has_val = true;
-        }
-
-        return *this;
-    }
-
-    template <typename G = E, std::enable_if_t<std::is_nothrow_copy_constructible_v<G> &&
-                                               std::is_assignable_v<G&, G>>* = nullptr>
-    Expected& operator=(const Unexpected<G>& rhs) {
-        if (!has_value()) {
-            err() = rhs;
-        } else {
-            this->destroy_val();
-            new (errptr()) Unexpected<E>{rhs};
-            this->m_has_val = false;
-        }
-
-        return *this;
-    }
-
-    template <typename G = E, std::enable_if_t<std::is_nothrow_move_constructible_v<G> &&
-                                               std::is_move_assignable_v<G>>* = nullptr>
-    Expected& operator=(Unexpected<G>&& rhs) noexcept {
-        if (!has_value()) {
-            err() = std::move(rhs);
-        } else {
-            this->destroy_val();
-            new (errptr()) Unexpected<E>{std::move(rhs)};
-            this->m_has_val = false;
-        }
-
-        return *this;
-    }
-
-    template <typename... Args,
-              std::enable_if_t<std::is_nothrow_constructible_v<T, Args&&...>>* = nullptr>
-    void emplace(Args&&... args) {
-        if (has_value()) {
-            val() = T{std::forward<Args>(args)...};
-        } else {
-            err().~Unexpected<E>();
-            new (valptr()) T{std::forward<Args>(args)...};
-            this->m_has_val = true;
-        }
-    }
-
-    template <typename... Args,
-              std::enable_if_t<!std::is_nothrow_constructible_v<T, Args&&...>>* = nullptr>
-    void emplace(Args&&... args) {
-        if (has_value()) {
-            val() = T{std::forward<Args>(args)...};
-        } else {
-            auto tmp = std::move(err());
-            err().~Unexpected<E>();
-            new (valptr()) T{std::forward<Args>(args)...};
-            this->m_has_val = true;
-        }
-    }
-
-    template <typename U, typename... Args,
-              std::enable_if_t<std::is_nothrow_constructible_v<T, std::initializer_list<U>&,
-                                                               Args&&...>>* = nullptr>
-    void emplace(std::initializer_list<U> il, Args&&... args) {
-        if (has_value()) {
-            T t{il, std::forward<Args>(args)...};
-            val() = std::move(t);
-        } else {
-            err().~Unexpected<E>();
-            new (valptr()) T{il, std::forward<Args>(args)...};
-            this->m_has_val = true;
-        }
-    }
-
-    template <typename U, typename... Args,
-              std::enable_if_t<!std::is_nothrow_constructible_v<T, std::initializer_list<U>&,
-                                                                Args&&...>>* = nullptr>
-    void emplace(std::initializer_list<U> il, Args&&... args) {
-        if (has_value()) {
-            T t{il, std::forward<Args>(args)...};
-            val() = std::move(t);
-        } else {
-            auto tmp = std::move(err());
-            err().~Unexpected<E>();
-            new (valptr()) T{il, std::forward<Args>(args)...};
-            this->m_has_val = true;
-        }
-    }
-
-    constexpr T* operator->() {
-        return valptr();
-    }
-
-    constexpr const T* operator->() const {
-        return valptr();
-    }
-
-    template <typename U = T>
-    constexpr U& operator*() & {
-        return val();
-    }
-
-    template <typename U = T>
-    constexpr const U& operator*() const& {
-        return val();
-    }
-
-    template <typename U = T>
-    constexpr U&& operator*() && {
-        return std::move(val());
-    }
-
-    template <typename U = T>
-    constexpr const U&& operator*() const&& {
-        return std::move(val());
-    }
-
-    constexpr bool has_value() const noexcept {
-        return this->m_has_val;
-    }
-
-    constexpr explicit operator bool() const noexcept {
-        return this->m_has_val;
-    }
-
-    template <typename U = T>
-    constexpr U& value() & {
-        return val();
-    }
-
-    template <typename U = T>
-    constexpr const U& value() const& {
-        return val();
-    }
-
-    template <typename U = T>
-    constexpr U&& value() && {
-        return std::move(val());
-    }
-
-    template <typename U = T>
-    constexpr const U&& value() const&& {
-        return std::move(val());
-    }
-
-    constexpr E& error() & {
-        return err().value();
-    }
-
-    constexpr const E& error() const& {
-        return err().value();
-    }
-
-    constexpr E&& error() && {
-        return std::move(err().value());
-    }
-
-    constexpr const E&& error() const&& {
-        return std::move(err().value());
-    }
-
-    template <typename U>
-    constexpr T value_or(U&& v) const& {
-        static_assert(std::is_copy_constructible_v<T> && std::is_convertible_v<U&&, T>,
-                      "T must be copy-constructible and convertible from U&&");
-        return bool(*this) ? **this : static_cast<T>(std::forward<U>(v));
-    }
-
-    template <typename U>
-    constexpr T value_or(U&& v) && {
-        static_assert(std::is_move_constructible_v<T> && std::is_convertible_v<U&&, T>,
-                      "T must be move-constructible and convertible from U&&");
-        return bool(*this) ? std::move(**this) : static_cast<T>(std::forward<U>(v));
-    }
-
-private:
-    static_assert(!std::is_reference_v<T>, "T must not be a reference");
-    static_assert(!std::is_same_v<T, std::remove_cv_t<std::in_place_t>>,
-                  "T must not be std::in_place_t");
-    static_assert(!std::is_same_v<T, std::remove_cv_t<unexpect_t>>, "T must not be unexpect_t");
-    static_assert(!std::is_same_v<T, std::remove_cv_t<Unexpected<E>>>,
-                  "T must not be Unexpected<E>");
-    static_assert(!std::is_reference_v<E>, "E must not be a reference");
-
-    T* valptr() {
-        return std::addressof(this->m_val);
-    }
-
-    const T* valptr() const {
-        return std::addressof(this->m_val);
-    }
-
-    Unexpected<E>* errptr() {
-        return std::addressof(this->m_unexpect);
-    }
-
-    const Unexpected<E>* errptr() const {
-        return std::addressof(this->m_unexpect);
-    }
-
-    template <typename U = T>
-    constexpr U& val() {
-        return this->m_val;
-    }
-
-    template <typename U = T>
-    constexpr const U& val() const {
-        return this->m_val;
-    }
-
-    constexpr Unexpected<E>& err() {
-        return this->m_unexpect;
-    }
-
-    constexpr const Unexpected<E>& err() const {
-        return this->m_unexpect;
-    }
-
-    using impl_base = detail::expected_move_assign_base<T, E>;
-    using ctor_base = detail::expected_default_ctor_base<T, E>;
-};
-
-template <typename T, typename E, typename U, typename F>
-constexpr bool operator==(const Expected<T, E>& lhs, const Expected<U, F>& rhs) {
-    return (lhs.has_value() != rhs.has_value())
-               ? false
-               : (!lhs.has_value() ? lhs.error() == rhs.error() : *lhs == *rhs);
-}
-
-template <typename T, typename E, typename U, typename F>
-constexpr bool operator!=(const Expected<T, E>& lhs, const Expected<U, F>& rhs) {
-    return !operator==(lhs, rhs);
-}
-
-template <typename T, typename E, typename U>
-constexpr bool operator==(const Expected<T, E>& x, const U& v) {
-    return x.has_value() ? *x == v : false;
-}
-
-template <typename T, typename E, typename U>
-constexpr bool operator==(const U& v, const Expected<T, E>& x) {
-    return x.has_value() ? *x == v : false;
-}
-
-template <typename T, typename E, typename U>
-constexpr bool operator!=(const Expected<T, E>& x, const U& v) {
-    return !operator==(x, v);
-}
-
-template <typename T, typename E, typename U>
-constexpr bool operator!=(const U& v, const Expected<T, E>& x) {
-    return !operator==(v, x);
-}
-
-template <typename T, typename E>
-constexpr bool operator==(const Expected<T, E>& x, const Unexpected<E>& e) {
-    return x.has_value() ? false : x.error() == e.value();
-}
-
-template <typename T, typename E>
-constexpr bool operator==(const Unexpected<E>& e, const Expected<T, E>& x) {
-    return x.has_value() ? false : x.error() == e.value();
-}
-
-template <typename T, typename E>
-constexpr bool operator!=(const Expected<T, E>& x, const Unexpected<E>& e) {
-    return !operator==(x, e);
-}
-
-template <typename T, typename E>
-constexpr bool operator!=(const Unexpected<E>& e, const Expected<T, E>& x) {
-    return !operator==(e, x);
-}
-
-} // namespace Common

src/common/logging/backend.cpp

@@ -6,7 +6,6 @@
 #include <chrono>
 #include <climits>
 #include <exception>
-#include <stop_token>
 #include <thread>
 #include <vector>
 
@@ -187,10 +186,6 @@ public:
         initialization_in_progress_suppress_logging = false;
     }
 
-    static void Start() {
-        instance->StartBackendThread();
-    }
-
     Impl(const Impl&) = delete;
     Impl& operator=(const Impl&) = delete;
 
@@ -206,7 +201,7 @@ public:
     }
 
     void PushEntry(Class log_class, Level log_level, const char* filename, unsigned int line_num,
-                   const char* function, std::string&& message) {
+                   const char* function, std::string message) {
         if (!filter.CheckMessage(log_class, log_level))
             return;
         const Entry& entry =
@@ -216,41 +211,40 @@ public:
 
 private:
     Impl(const std::filesystem::path& file_backend_filename, const Filter& filter_)
-        : filter{filter_}, file_backend{file_backend_filename} {}
+        : filter{filter_}, file_backend{file_backend_filename}, backend_thread{std::thread([this] {
+              Common::SetCurrentThreadName("yuzu:Log");
+              Entry entry;
+              const auto write_logs = [this, &entry]() {
+                  ForEachBackend([&entry](Backend& backend) { backend.Write(entry); });
+              };
+              while (true) {
+                  entry = message_queue.PopWait();
+                  if (entry.final_entry) {
+                      break;
+                  }
+                  write_logs();
+              }
+              // Drain the logging queue. Only writes out up to MAX_LOGS_TO_WRITE to prevent a
+              // case where a system is repeatedly spamming logs even on close.
+              int max_logs_to_write = filter.IsDebug() ? INT_MAX : 100;
+              while (max_logs_to_write-- && message_queue.Pop(entry)) {
+                  write_logs();
+              }
+          })} {}
 
     ~Impl() {
         StopBackendThread();
     }
 
-    void StartBackendThread() {
-        backend_thread = std::thread([this] {
-            Common::SetCurrentThreadName("yuzu:Log");
-            Entry entry;
-            const auto write_logs = [this, &entry]() {
-                ForEachBackend([&entry](Backend& backend) { backend.Write(entry); });
-            };
-            while (!stop.stop_requested()) {
-                entry = message_queue.PopWait(stop.get_token());
-                if (entry.filename != nullptr) {
-                    write_logs();
-                }
-            }
-            // Drain the logging queue. Only writes out up to MAX_LOGS_TO_WRITE to prevent a
-            // case where a system is repeatedly spamming logs even on close.
-            int max_logs_to_write = filter.IsDebug() ? INT_MAX : 100;
-            while (max_logs_to_write-- && message_queue.Pop(entry)) {
-                write_logs();
-            }
-        });
-    }
-
     void StopBackendThread() {
-        stop.request_stop();
+        Entry stop_entry{};
+        stop_entry.final_entry = true;
+        message_queue.Push(stop_entry);
         backend_thread.join();
     }
 
     Entry CreateEntry(Class log_class, Level log_level, const char* filename, unsigned int line_nr,
-                      const char* function, std::string&& message) const {
+                      const char* function, std::string message) const {
         using std::chrono::duration_cast;
         using std::chrono::microseconds;
         using std::chrono::steady_clock;
@@ -263,6 +257,7 @@ private:
             .line_num = line_nr,
             .function = function,
             .message = std::move(message),
+            .final_entry = false,
         };
     }
 
@@ -283,9 +278,8 @@ private:
     ColorConsoleBackend color_console_backend{};
     FileBackend file_backend;
 
-    std::stop_source stop;
     std::thread backend_thread;
-    MPSCQueue<Entry, true> message_queue{};
+    MPSCQueue<Entry> message_queue{};
     std::chrono::steady_clock::time_point time_origin{std::chrono::steady_clock::now()};
 };
 } // namespace
@@ -294,10 +288,6 @@ void Initialize() {
     Impl::Initialize();
 }
 
-void Start() {
-    Impl::Start();
-}
-
 void DisableLoggingInTests() {
     initialization_in_progress_suppress_logging = true;
 }

src/common/logging/backend.h

@@ -14,8 +14,6 @@ class Filter;
 /// Initializes the logging system. This should be the first thing called in main.
 void Initialize();
 
-void Start();
-
 void DisableLoggingInTests();
 
 /**

src/common/logging/log_entry.h

@@ -22,6 +22,7 @@ struct Entry {
     unsigned int line_num = 0;
     std::string function;
     std::string message;
+    bool final_entry = false;
 };
 
 } // namespace Common::Log

src/common/math_util.h

@@ -48,8 +48,8 @@ struct Rectangle {
     }
 
     [[nodiscard]] Rectangle<T> Scale(const float s) const {
-        return Rectangle{left, top, static_cast<T>(static_cast<float>(left + GetWidth()) * s),
-                         static_cast<T>(static_cast<float>(top + GetHeight()) * s)};
+        return Rectangle{left, top, static_cast<T>(left + GetWidth() * s),
+                         static_cast<T>(top + GetHeight() * s)};
     }
 };
 

src/common/settings.cpp

@@ -47,9 +47,7 @@ void LogSettings() {
     log_setting("System_TimeZoneIndex", values.time_zone_index.GetValue());
     log_setting("Core_UseMultiCore", values.use_multi_core.GetValue());
     log_setting("CPU_Accuracy", values.cpu_accuracy.GetValue());
-    log_setting("Renderer_UseResolutionScaling", values.resolution_setup.GetValue());
-    log_setting("Renderer_ScalingFilter", values.scaling_filter.GetValue());
-    log_setting("Renderer_AntiAliasing", values.anti_aliasing.GetValue());
+    log_setting("Renderer_UseResolutionFactor", values.resolution_factor.GetValue());
     log_setting("Renderer_UseSpeedLimit", values.use_speed_limit.GetValue());
     log_setting("Renderer_SpeedLimit", values.speed_limit.GetValue());
     log_setting("Renderer_UseDiskShaderCache", values.use_disk_shader_cache.GetValue());
@@ -107,55 +105,6 @@ float Volume() {
     return values.volume.GetValue() / 100.0f;
 }
 
-void UpdateRescalingInfo() {
-    const auto setup = values.resolution_setup.GetValue();
-    auto& info = values.resolution_info;
-    info.downscale = false;
-    switch (setup) {
-    case ResolutionSetup::Res1_2X:
-        info.up_scale = 1;
-        info.down_shift = 1;
-        info.downscale = true;
-        break;
-    case ResolutionSetup::Res3_4X:
-        info.up_scale = 3;
-        info.down_shift = 2;
-        info.downscale = true;
-        break;
-    case ResolutionSetup::Res1X:
-        info.up_scale = 1;
-        info.down_shift = 0;
-        break;
-    case ResolutionSetup::Res2X:
-        info.up_scale = 2;
-        info.down_shift = 0;
-        break;
-    case ResolutionSetup::Res3X:
-        info.up_scale = 3;
-        info.down_shift = 0;
-        break;
-    case ResolutionSetup::Res4X:
-        info.up_scale = 4;
-        info.down_shift = 0;
-        break;
-    case ResolutionSetup::Res5X:
-        info.up_scale = 5;
-        info.down_shift = 0;
-        break;
-    case ResolutionSetup::Res6X:
-        info.up_scale = 6;
-        info.down_shift = 0;
-        break;
-    default:
-        UNREACHABLE();
-        info.up_scale = 1;
-        info.down_shift = 0;
-    }
-    info.up_factor = static_cast<f32>(info.up_scale) / (1U << info.down_shift);
-    info.down_factor = static_cast<f32>(1U << info.down_shift) / info.up_scale;
-    info.active = info.up_scale != 1 || info.down_shift != 0;
-}
-
 void RestoreGlobalState(bool is_powered_on) {
     // If a game is running, DO NOT restore the global settings state
     if (is_powered_on) {

src/common/settings.h

@@ -52,56 +52,6 @@ enum class NvdecEmulation : u32 {
     GPU = 2,
 };
 
-enum class ResolutionSetup : u32 {
-    Res1_2X = 0,
-    Res3_4X = 1,
-    Res1X = 2,
-    Res2X = 3,
-    Res3X = 4,
-    Res4X = 5,
-    Res5X = 6,
-    Res6X = 7,
-};
-
-enum class ScalingFilter : u32 {
-    NearestNeighbor = 0,
-    Bilinear = 1,
-    Bicubic = 2,
-    Gaussian = 3,
-    ScaleForce = 4,
-    Fsr = 5,
-    LastFilter = Fsr,
-};
-
-enum class AntiAliasing : u32 {
-    None = 0,
-    Fxaa = 1,
-    LastAA = Fxaa,
-};
-
-struct ResolutionScalingInfo {
-    u32 up_scale{1};
-    u32 down_shift{0};
-    f32 up_factor{1.0f};
-    f32 down_factor{1.0f};
-    bool active{};
-    bool downscale{};
-
-    s32 ScaleUp(s32 value) const {
-        if (value == 0) {
-            return 0;
-        }
-        return std::max((value * static_cast<s32>(up_scale)) >> static_cast<s32>(down_shift), 1);
-    }
-
-    u32 ScaleUp(u32 value) const {
-        if (value == 0U) {
-            return 0U;
-        }
-        return std::max((value * up_scale) >> down_shift, 1U);
-    }
-};
-
 /** The BasicSetting class is a simple resource manager. It defines a label and default value
  * alongside the actual value of the setting for simpler and less-error prone use with frontend
  * configurations. Setting a default value and label is required, though subclasses may deviate from
@@ -501,10 +451,7 @@ struct Values {
                                                          "disable_shader_loop_safety_checks"};
     Setting<int> vulkan_device{0, "vulkan_device"};
 
-    ResolutionScalingInfo resolution_info{};
-    Setting<ResolutionSetup> resolution_setup{ResolutionSetup::Res1X, "resolution_setup"};
-    Setting<ScalingFilter> scaling_filter{ScalingFilter::Bilinear, "scaling_filter"};
-    Setting<AntiAliasing> anti_aliasing{AntiAliasing::None, "anti_aliasing"};
+    Setting<u16> resolution_factor{1, "resolution_factor"};
     // *nix platforms may have issues with the borderless windowed fullscreen mode.
     // Default to exclusive fullscreen on these platforms for now.
     RangedSetting<FullscreenMode> fullscreen_mode{
@@ -515,7 +462,7 @@ struct Values {
 #endif
         FullscreenMode::Borderless, FullscreenMode::Exclusive, "fullscreen_mode"};
     RangedSetting<int> aspect_ratio{0, 0, 3, "aspect_ratio"};
-    RangedSetting<int> max_anisotropy{0, 0, 5, "max_anisotropy"};
+    RangedSetting<int> max_anisotropy{0, 0, 4, "max_anisotropy"};
     Setting<bool> use_speed_limit{true, "use_speed_limit"};
     RangedSetting<u16> speed_limit{100, 0, 9999, "speed_limit"};
     Setting<bool> use_disk_shader_cache{true, "use_disk_shader_cache"};
@@ -648,8 +595,6 @@ std::string GetTimeZoneString();
 
 void LogSettings();
 
-void UpdateRescalingInfo();
-
 // Restore the global state of all applicable settings in the Values struct
 void RestoreGlobalState(bool is_powered_on);
 

src/core/arm/dynarmic/arm_dynarmic_32.h

@@ -9,6 +9,7 @@
 
 #include <dynarmic/interface/A32/a32.h>
 #include <dynarmic/interface/A64/a64.h>
+#include <dynarmic/interface/exclusive_monitor.h>
 #include "common/common_types.h"
 #include "common/hash.h"
 #include "core/arm/arm_interface.h"

src/core/arm/dynarmic/arm_dynarmic_64.cpp

@@ -18,6 +18,7 @@
 #include "core/core_timing.h"
 #include "core/hardware_properties.h"
 #include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/svc.h"
 #include "core/memory.h"
 

src/core/arm/dynarmic/arm_dynarmic_cp15.cpp

@@ -8,6 +8,7 @@
 #include "core/arm/dynarmic/arm_dynarmic_cp15.h"
 #include "core/core.h"
 #include "core/core_timing.h"
+#include "core/core_timing_util.h"
 
 using Callback = Dynarmic::A32::Coprocessor::Callback;
 using CallbackOrAccessOneWord = Dynarmic::A32::Coprocessor::CallbackOrAccessOneWord;

src/core/arm/dynarmic/arm_dynarmic_cp15.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <memory>
 #include <optional>
 
 #include <dynarmic/interface/A32/coprocessor.h>

src/core/arm/dynarmic/arm_exclusive_monitor.cpp

@@ -2,6 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <cinttypes>
+#include <memory>
 #include "core/arm/dynarmic/arm_exclusive_monitor.h"
 #include "core/memory.h"
 

src/core/arm/dynarmic/arm_exclusive_monitor.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <memory>
 #include <unordered_map>
 
 #include <dynarmic/interface/exclusive_monitor.h>

src/core/core.cpp

@@ -19,16 +19,20 @@
 #include "core/cpu_manager.h"
 #include "core/device_memory.h"
 #include "core/file_sys/bis_factory.h"
+#include "core/file_sys/card_image.h"
 #include "core/file_sys/mode.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/romfs_factory.h"
 #include "core/file_sys/savedata_factory.h"
+#include "core/file_sys/sdmc_factory.h"
 #include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_real.h"
 #include "core/hardware_interrupt_manager.h"
+#include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/physical_core.h"
 #include "core/hle/service/am/applets/applets.h"
@@ -324,8 +328,8 @@ struct System::Impl {
         time_manager.Shutdown();
         core_timing.Shutdown();
         app_loader.reset();
-        gpu_core.reset();
         perf_stats.reset();
+        gpu_core.reset();
         kernel.Shutdown();
         memory.Reset();
         applet_manager.ClearAll();
@@ -349,7 +353,7 @@ struct System::Impl {
         }
 
         Service::Glue::ApplicationLaunchProperty launch{};
-        launch.title_id = process.GetProgramID();
+        launch.title_id = process.GetTitleID();
 
         FileSys::PatchManager pm{launch.title_id, fs_controller, *content_provider};
         launch.version = pm.GetGameVersion().value_or(0);
@@ -639,10 +643,6 @@ const Core::SpeedLimiter& System::SpeedLimiter() const {
     return impl->speed_limiter;
 }
 
-u64 System::GetCurrentProcessProgramID() const {
-    return impl->kernel.CurrentProcess()->GetProgramID();
-}
-
 Loader::ResultStatus System::GetGameName(std::string& out) const {
     return impl->GetGameName(out);
 }

src/core/core.h

@@ -297,8 +297,6 @@ public:
     /// Provides a constant reference to the speed limiter
     [[nodiscard]] const Core::SpeedLimiter& SpeedLimiter() const;
 
-    [[nodiscard]] u64 GetCurrentProcessProgramID() const;
-
     /// Gets the name of the current game
     [[nodiscard]] Loader::ResultStatus GetGameName(std::string& out) const;
 

src/core/core_timing.h

@@ -8,6 +8,7 @@
 #include <chrono>
 #include <functional>
 #include <memory>
+#include <mutex>
 #include <optional>
 #include <string>
 #include <thread>

src/core/cpu_manager.cpp

@@ -6,6 +6,7 @@
 #include "common/microprofile.h"
 #include "common/scope_exit.h"
 #include "common/thread.h"
+#include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/cpu_manager.h"

src/core/crypto/ctr_encryption_layer.cpp

@@ -4,6 +4,7 @@
 
 #include <algorithm>
 #include <cstring>
+#include "common/assert.h"
 #include "core/crypto/ctr_encryption_layer.h"
 
 namespace Core::Crypto {

src/core/crypto/key_manager.cpp

@@ -10,12 +10,14 @@
 #include <locale>
 #include <map>
 #include <sstream>
+#include <string_view>
 #include <tuple>
 #include <vector>
 #include <mbedtls/bignum.h>
 #include <mbedtls/cipher.h>
 #include <mbedtls/cmac.h>
 #include <mbedtls/sha256.h>
+#include "common/common_funcs.h"
 #include "common/fs/file.h"
 #include "common/fs/fs.h"
 #include "common/fs/path_util.h"
@@ -28,6 +30,7 @@
 #include "core/crypto/partition_data_manager.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/partition_filesystem.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/loader/loader.h"

src/core/crypto/key_manager.h

@@ -15,6 +15,7 @@
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "core/crypto/partition_data_manager.h"
+#include "core/file_sys/vfs_types.h"
 
 namespace Common::FS {
 class IOFile;

src/core/crypto/partition_data_manager.cpp

@@ -12,6 +12,7 @@
 #include <cctype>
 #include <cstring>
 #include <mbedtls/sha256.h>
+#include "common/assert.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/hex_util.h"

src/core/crypto/xts_encryption_layer.cpp

@@ -4,6 +4,7 @@
 
 #include <algorithm>
 #include <cstring>
+#include "common/assert.h"
 #include "core/crypto/xts_encryption_layer.h"
 
 namespace Core::Crypto {

src/core/file_sys/card_image.cpp

@@ -14,6 +14,7 @@
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/partition_filesystem.h"
 #include "core/file_sys/submission_package.h"
+#include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_offset.h"
 #include "core/file_sys/vfs_vector.h"
 #include "core/loader/loader.h"

src/core/file_sys/control_metadata.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <array>
+#include <memory>
 #include <string>
 #include "common/common_funcs.h"
 #include "common/common_types.h"

src/core/file_sys/directory.h

@@ -6,6 +6,7 @@
 
 #include <cstddef>
 #include <iterator>
+#include <string_view>
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 

src/core/file_sys/nca_metadata.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <array>
+#include <memory>
 #include <vector>
 #include "common/common_funcs.h"
 #include "common/common_types.h"

src/core/file_sys/program_metadata.cpp

@@ -53,16 +53,13 @@ Loader::ResultStatus ProgramMetadata::Load(VirtualFile file) {
 }
 
 /*static*/ ProgramMetadata ProgramMetadata::GetDefault() {
-    // Allow use of cores 0~3 and thread priorities 1~63.
-    constexpr u32 default_thread_info_capability = 0x30007F7;
-
     ProgramMetadata result;
 
     result.LoadManual(
         true /*is_64_bit*/, FileSys::ProgramAddressSpaceType::Is39Bit /*address_space*/,
         0x2c /*main_thread_prio*/, 0 /*main_thread_core*/, 0x00100000 /*main_thread_stack_size*/,
         0 /*title_id*/, 0xFFFFFFFFFFFFFFFF /*filesystem_permissions*/,
-        0x1FE00000 /*system_resource_size*/, {default_thread_info_capability} /*capabilities*/);
+        0x1FE00000 /*system_resource_size*/, {} /*capabilities*/);
 
     return result;
 }

src/core/file_sys/romfs_factory.cpp

@@ -6,6 +6,7 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
+#include "core/file_sys/card_image.h"
 #include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/nca_metadata.h"
@@ -38,12 +39,13 @@ void RomFSFactory::SetPackedUpdate(VirtualFile update_raw_file) {
 
 ResultVal<VirtualFile> RomFSFactory::OpenCurrentProcess(u64 current_process_title_id) const {
     if (!updatable) {
-        return file;
+        return MakeResult<VirtualFile>(file);
     }
 
     const PatchManager patch_manager{current_process_title_id, filesystem_controller,
                                      content_provider};
-    return patch_manager.PatchRomFS(file, ivfc_offset, ContentRecordType::Program, update_raw);
+    return MakeResult<VirtualFile>(
+        patch_manager.PatchRomFS(file, ivfc_offset, ContentRecordType::Program, update_raw));
 }
 
 ResultVal<VirtualFile> RomFSFactory::OpenPatchedRomFS(u64 title_id, ContentRecordType type) const {
@@ -56,7 +58,8 @@ ResultVal<VirtualFile> RomFSFactory::OpenPatchedRomFS(u64 title_id, ContentRecor
 
     const PatchManager patch_manager{title_id, filesystem_controller, content_provider};
 
-    return patch_manager.PatchRomFS(nca->GetRomFS(), nca->GetBaseIVFCOffset(), type);
+    return MakeResult<VirtualFile>(
+        patch_manager.PatchRomFS(nca->GetRomFS(), nca->GetBaseIVFCOffset(), type));
 }
 
 ResultVal<VirtualFile> RomFSFactory::OpenPatchedRomFSWithProgramIndex(
@@ -80,7 +83,7 @@ ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage,
         return ResultUnknown;
     }
 
-    return romfs;
+    return MakeResult<VirtualFile>(romfs);
 }
 
 std::shared_ptr<NCA> RomFSFactory::GetEntry(u64 title_id, StorageId storage,

src/core/file_sys/romfs_factory.h

@@ -5,9 +5,8 @@
 #pragma once
 
 #include <memory>
-
 #include "common/common_types.h"
-#include "core/file_sys/vfs_types.h"
+#include "core/file_sys/vfs.h"
 #include "core/hle/result.h"
 
 namespace Loader {

src/core/file_sys/savedata_factory.cpp

@@ -9,6 +9,7 @@
 #include "core/core.h"
 #include "core/file_sys/savedata_factory.h"
 #include "core/file_sys/vfs.h"
+#include "core/hle/kernel/k_process.h"
 
 namespace FileSys {
 
@@ -93,7 +94,7 @@ ResultVal<VirtualDir> SaveDataFactory::Create(SaveDataSpaceId space,
         return ResultUnknown;
     }
 
-    return out;
+    return MakeResult<VirtualDir>(std::move(out));
 }
 
 ResultVal<VirtualDir> SaveDataFactory::Open(SaveDataSpaceId space,
@@ -114,7 +115,7 @@ ResultVal<VirtualDir> SaveDataFactory::Open(SaveDataSpaceId space,
         return ResultUnknown;
     }
 
-    return out;
+    return MakeResult<VirtualDir>(std::move(out));
 }
 
 VirtualDir SaveDataFactory::GetSaveDataSpaceDirectory(SaveDataSpaceId space) const {
@@ -142,7 +143,7 @@ std::string SaveDataFactory::GetFullPath(Core::System& system, SaveDataSpaceId s
     // be interpreted as the title id of the current process.
     if (type == SaveDataType::SaveData || type == SaveDataType::DeviceSaveData) {
         if (title_id == 0) {
-            title_id = system.GetCurrentProcessProgramID();
+            title_id = system.CurrentProcess()->GetTitleID();
         }
     }
 

src/core/file_sys/savedata_factory.h

@@ -8,6 +8,7 @@
 #include <string>
 #include "common/common_funcs.h"
 #include "common/common_types.h"
+#include "common/swap.h"
 #include "core/file_sys/vfs.h"
 #include "core/hle/result.h"
 

src/core/file_sys/sdmc_factory.cpp

@@ -25,7 +25,7 @@ SDMCFactory::SDMCFactory(VirtualDir sd_dir_, VirtualDir sd_mod_dir_)
 SDMCFactory::~SDMCFactory() = default;
 
 ResultVal<VirtualDir> SDMCFactory::Open() const {
-    return sd_dir;
+    return MakeResult<VirtualDir>(sd_dir);
 }
 
 VirtualDir SDMCFactory::GetSDMCModificationLoadRoot(u64 title_id) const {

src/core/file_sys/submission_package.cpp

@@ -4,6 +4,7 @@
 
 #include <algorithm>
 #include <cstring>
+#include <string_view>
 
 #include <fmt/ostream.h>
 

src/core/file_sys/system_archive/time_zone_binary.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <string>
 #include "core/file_sys/vfs_types.h"
 
 namespace FileSys::SystemArchive {

src/core/file_sys/vfs.h

@@ -9,6 +9,7 @@
 #include <memory>
 #include <optional>
 #include <string>
+#include <string_view>
 #include <type_traits>
 #include <vector>
 

src/core/file_sys/vfs_concat.h

@@ -6,6 +6,7 @@
 
 #include <map>
 #include <memory>
+#include <string_view>
 #include "core/file_sys/vfs.h"
 
 namespace FileSys {

src/core/file_sys/vfs_offset.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <memory>
+#include <string_view>
 
 #include "core/file_sys/vfs.h"
 

src/core/frontend/applets/general_frontend.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <functional>
+#include <optional>
 #include "common/common_types.h"
 
 namespace Core::Frontend {

src/core/frontend/applets/software_keyboard.cpp

@@ -16,8 +16,7 @@ DefaultSoftwareKeyboardApplet::~DefaultSoftwareKeyboardApplet() = default;
 
 void DefaultSoftwareKeyboardApplet::InitializeKeyboard(
     bool is_inline, KeyboardInitializeParameters initialize_parameters,
-    std::function<void(Service::AM::Applets::SwkbdResult, std::u16string, bool)>
-        submit_normal_callback_,
+    std::function<void(Service::AM::Applets::SwkbdResult, std::u16string)> submit_normal_callback_,
     std::function<void(Service::AM::Applets::SwkbdReplyType, std::u16string, s32)>
         submit_inline_callback_) {
     if (is_inline) {
@@ -129,7 +128,7 @@ void DefaultSoftwareKeyboardApplet::ExitKeyboard() const {
 }
 
 void DefaultSoftwareKeyboardApplet::SubmitNormalText(std::u16string text) const {
-    submit_normal_callback(Service::AM::Applets::SwkbdResult::Ok, text, true);
+    submit_normal_callback(Service::AM::Applets::SwkbdResult::Ok, text);
 }
 
 void DefaultSoftwareKeyboardApplet::SubmitInlineText(std::u16string_view text) const {

src/core/frontend/applets/software_keyboard.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <functional>
+#include <thread>
 
 #include "common/common_types.h"
 
@@ -57,7 +58,7 @@ public:
 
     virtual void InitializeKeyboard(
         bool is_inline, KeyboardInitializeParameters initialize_parameters,
-        std::function<void(Service::AM::Applets::SwkbdResult, std::u16string, bool)>
+        std::function<void(Service::AM::Applets::SwkbdResult, std::u16string)>
             submit_normal_callback_,
         std::function<void(Service::AM::Applets::SwkbdReplyType, std::u16string, s32)>
             submit_inline_callback_) = 0;
@@ -82,7 +83,7 @@ public:
 
     void InitializeKeyboard(
         bool is_inline, KeyboardInitializeParameters initialize_parameters,
-        std::function<void(Service::AM::Applets::SwkbdResult, std::u16string, bool)>
+        std::function<void(Service::AM::Applets::SwkbdResult, std::u16string)>
             submit_normal_callback_,
         std::function<void(Service::AM::Applets::SwkbdReplyType, std::u16string, s32)>
             submit_inline_callback_) override;
@@ -106,7 +107,7 @@ private:
 
     KeyboardInitializeParameters parameters;
 
-    mutable std::function<void(Service::AM::Applets::SwkbdResult, std::u16string, bool)>
+    mutable std::function<void(Service::AM::Applets::SwkbdResult, std::u16string)>
         submit_normal_callback;
     mutable std::function<void(Service::AM::Applets::SwkbdReplyType, std::u16string, s32)>
         submit_inline_callback;

src/core/frontend/applets/web_browser.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <functional>
+#include <string_view>
 
 #include "core/hle/service/am/applets/applet_web_browser_types.h"
 

src/core/frontend/emu_window.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <cmath>
 #include <mutex>
 #include "common/settings.h"
 #include "core/frontend/emu_window.h"

src/core/frontend/emu_window.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <memory>
+#include <tuple>
 #include <utility>
 #include "common/common_types.h"
 #include "core/frontend/framebuffer_layout.h"

src/core/frontend/framebuffer_layout.cpp

@@ -44,13 +44,16 @@ FramebufferLayout DefaultFrameLayout(u32 width, u32 height) {
     return res;
 }
 
-FramebufferLayout FrameLayoutFromResolutionScale(f32 res_scale) {
-    const bool is_docked = Settings::values.use_docked_mode.GetValue();
-    const u32 screen_width = is_docked ? ScreenDocked::Width : ScreenUndocked::Width;
-    const u32 screen_height = is_docked ? ScreenDocked::Height : ScreenUndocked::Height;
+FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale) {
+    u32 width, height;
 
-    const u32 width = static_cast<u32>(static_cast<f32>(screen_width) * res_scale);
-    const u32 height = static_cast<u32>(static_cast<f32>(screen_height) * res_scale);
+    if (Settings::values.use_docked_mode.GetValue()) {
+        width = ScreenDocked::Width * res_scale;
+        height = ScreenDocked::Height * res_scale;
+    } else {
+        width = ScreenUndocked::Width * res_scale;
+        height = ScreenUndocked::Height * res_scale;
+    }
 
     return DefaultFrameLayout(width, height);
 }

src/core/frontend/framebuffer_layout.h

@@ -60,7 +60,7 @@ FramebufferLayout DefaultFrameLayout(u32 width, u32 height);
  * Convenience method to get frame layout by resolution scale
  * @param res_scale resolution scale factor
  */
-FramebufferLayout FrameLayoutFromResolutionScale(f32 res_scale);
+FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale);
 
 /**
  * Convenience method to determine emulation aspect ratio

src/core/hle/kernel/board/nintendo/nx/secure_monitor.h

@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include "common/common_types.h"
+
 namespace Kernel::Board::Nintendo::Nx::Smc {
 
 enum MemorySize {

src/core/hle/kernel/code_set.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <cstddef>
+#include <vector>
 
 #include "common/common_types.h"
 #include "core/hle/kernel/physical_memory.h"

src/core/hle/kernel/hle_ipc.cpp

@@ -5,6 +5,7 @@
 #include <algorithm>
 #include <array>
 #include <sstream>
+#include <utility>
 
 #include <boost/range/algorithm_ext/erase.hpp>
 
@@ -18,9 +19,14 @@
 #include "core/hle/kernel/k_handle_table.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_readable_event.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/k_server_session.h"
 #include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/svc_results.h"
+#include "core/hle/kernel/time_manager.h"
 #include "core/memory.h"
 
 namespace Kernel {

src/core/hle/kernel/init/init_slab_setup.cpp

@@ -20,6 +20,8 @@
 #include "core/hle/kernel/k_system_control.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/k_transfer_memory.h"
+#include "core/hle/kernel/memory_types.h"
+#include "core/memory.h"
 
 namespace Kernel::Init {
 

src/core/hle/kernel/k_auto_object_container.h

@@ -4,9 +4,14 @@
 
 #pragma once
 
+#include <atomic>
+
 #include <boost/intrusive/rbtree.hpp>
 
+#include "common/assert.h"
 #include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/intrusive_red_black_tree.h"
 #include "core/hle/kernel/k_auto_object.h"
 #include "core/hle/kernel/k_light_lock.h"
 

src/core/hle/kernel/k_class_token.h

@@ -6,6 +6,7 @@
 
 #include <atomic>
 
+#include "common/assert.h"
 #include "common/bit_util.h"
 #include "common/common_types.h"
 

src/core/hle/kernel/k_client_session.cpp

@@ -7,6 +7,7 @@
 #include "core/hle/kernel/k_server_session.h"
 #include "core/hle/kernel/k_session.h"
 #include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/svc_results.h"
 #include "core/hle/result.h"
 
 namespace Kernel {

src/core/hle/kernel/k_client_session.h

@@ -4,9 +4,11 @@
 
 #pragma once
 
+#include <memory>
 #include <string>
 
 #include "core/hle/kernel/k_auto_object.h"
+#include "core/hle/kernel/k_synchronization_object.h"
 #include "core/hle/kernel/slab_helpers.h"
 #include "core/hle/result.h"
 

src/core/hle/kernel/k_condition_variable.cpp

@@ -2,6 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <vector>
+
 #include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
 #include "core/hle/kernel/k_condition_variable.h"

src/core/hle/kernel/k_handle_table.h

@@ -8,6 +8,7 @@
 
 #include "common/assert.h"
 #include "common/bit_field.h"
+#include "common/bit_util.h"
 #include "common/common_types.h"
 #include "core/hle/kernel/k_auto_object.h"
 #include "core/hle/kernel/k_spin_lock.h"

src/core/hle/kernel/k_light_condition_variable.h

@@ -10,6 +10,7 @@
 #include "common/common_types.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
+#include "core/hle/kernel/k_thread_queue.h"
 #include "core/hle/kernel/time_manager.h"
 
 namespace Kernel {

src/core/hle/kernel/k_light_lock.h

@@ -6,6 +6,7 @@
 
 #include <atomic>
 
+#include "common/common_types.h"
 #include "core/hle/kernel/k_scoped_lock.h"
 
 namespace Kernel {

src/core/hle/kernel/k_memory_manager.h

@@ -8,6 +8,7 @@
 #include <mutex>
 #include <tuple>
 
+#include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "core/hle/kernel/k_page_heap.h"
 #include "core/hle/result.h"

src/core/hle/kernel/k_page_heap.cpp

@@ -4,6 +4,7 @@
 
 #include "core/core.h"
 #include "core/hle/kernel/k_page_heap.h"
+#include "core/memory.h"
 
 namespace Kernel {
 

src/core/hle/kernel/k_page_heap.h

@@ -5,9 +5,12 @@
 #pragma once
 
 #include <array>
+#include <bit>
 #include <vector>
 
 #include "common/alignment.h"
+#include "common/assert.h"
+#include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "core/hle/kernel/k_page_bitmap.h"
 #include "core/hle/kernel/memory_types.h"

src/core/hle/kernel/k_page_table.cpp

@@ -859,7 +859,7 @@ ResultVal<VAddr> KPageTable::SetHeapSize(std::size_t size) {
         current_heap_addr = heap_region_start + size;
     }
 
-    return heap_region_start;
+    return MakeResult<VAddr>(heap_region_start);
 }
 
 ResultVal<VAddr> KPageTable::AllocateAndMapMemory(std::size_t needed_num_pages, std::size_t align,
@@ -893,7 +893,7 @@ ResultVal<VAddr> KPageTable::AllocateAndMapMemory(std::size_t needed_num_pages,
 
     block_manager->Update(addr, needed_num_pages, state, perm);
 
-    return addr;
+    return MakeResult<VAddr>(addr);
 }
 
 ResultCode KPageTable::LockForDeviceAddressSpace(VAddr addr, std::size_t size) {

src/core/hle/kernel/k_port.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <memory>
 #include <string>
 
 #include "common/common_types.h"

src/core/hle/kernel/k_process.h

@@ -8,6 +8,7 @@
 #include <cstddef>
 #include <list>
 #include <string>
+#include <unordered_map>
 #include <vector>
 #include "common/common_types.h"
 #include "core/hle/kernel/k_address_arbiter.h"
@@ -154,8 +155,8 @@ public:
         return process_id;
     }
 
-    /// Gets the program ID corresponding to this process.
-    u64 GetProgramID() const {
+    /// Gets the title ID corresponding to this process.
+    u64 GetTitleID() const {
         return program_id;
     }
 

src/core/hle/kernel/k_scheduler_lock.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include "common/assert.h"
+#include "core/hardware_properties.h"
 #include "core/hle/kernel/k_spin_lock.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/kernel.h"

src/core/hle/kernel/k_scoped_lock.h

@@ -7,8 +7,7 @@
 
 #pragma once
 
-#include <concepts>
-#include <type_traits>
+#include "common/common_types.h"
 
 namespace Kernel {
 

src/core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h

@@ -8,6 +8,7 @@
 #pragma once
 
 #include "common/common_types.h"
+#include "core/hle/kernel/k_handle_table.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/time_manager.h"

src/core/hle/kernel/k_server_port.cpp

@@ -10,6 +10,7 @@
 #include "core/hle/kernel/k_server_port.h"
 #include "core/hle/kernel/k_server_session.h"
 #include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/svc_results.h"
 
 namespace Kernel {
 

src/core/hle/kernel/k_server_port.h

@@ -7,11 +7,14 @@
 #include <memory>
 #include <string>
 #include <utility>
+#include <vector>
 
 #include <boost/intrusive/list.hpp>
 
+#include "common/common_types.h"
 #include "core/hle/kernel/k_server_session.h"
 #include "core/hle/kernel/k_synchronization_object.h"
+#include "core/hle/result.h"
 
 namespace Kernel {
 

src/core/hle/kernel/k_server_session.cpp

@@ -14,6 +14,7 @@
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_handle_table.h"
+#include "core/hle/kernel/k_port.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_server_port.h"
@@ -21,7 +22,6 @@
 #include "core/hle/kernel/k_session.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/kernel.h"
-#include "core/hle/kernel/service_thread.h"
 #include "core/memory.h"
 
 namespace Kernel {

src/core/hle/kernel/k_server_session.h

@@ -7,11 +7,14 @@
 #include <memory>
 #include <string>
 #include <utility>
+#include <vector>
 
 #include <boost/intrusive/list.hpp>
 
+#include "common/threadsafe_queue.h"
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/kernel/k_synchronization_object.h"
+#include "core/hle/kernel/service_thread.h"
 #include "core/hle/result.h"
 
 namespace Core::Memory {

src/core/hle/kernel/k_session.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "common/assert.h"
 #include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_client_session.h"
 #include "core/hle/kernel/k_scoped_resource_reservation.h"

src/core/hle/kernel/k_shared_memory.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <memory>
 #include <string>
 
 #include "common/common_types.h"

src/core/hle/kernel/k_shared_memory_info.h

@@ -4,8 +4,12 @@
 
 #pragma once
 
+#include <memory>
+#include <string>
+
 #include <boost/intrusive/list.hpp>
 
+#include "common/assert.h"
 #include "core/hle/kernel/slab_helpers.h"
 
 namespace Kernel {

src/core/hle/kernel/k_thread.cpp

@@ -13,6 +13,8 @@
 #include "common/common_types.h"
 #include "common/fiber.h"
 #include "common/logging/log.h"
+#include "common/scope_exit.h"
+#include "common/thread_queue_list.h"
 #include "core/core.h"
 #include "core/cpu_manager.h"
 #include "core/hardware_properties.h"
@@ -29,9 +31,11 @@
 #include "core/hle/kernel/svc_results.h"
 #include "core/hle/kernel/time_manager.h"
 #include "core/hle/result.h"
+#include "core/memory.h"
 
 #ifdef ARCHITECTURE_x86_64
 #include "core/arm/dynarmic/arm_dynarmic_32.h"
+#include "core/arm/dynarmic/arm_dynarmic_64.h"
 #endif
 
 namespace {

src/core/hle/kernel/k_trace.h

@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include "common/common_funcs.h"
+
 namespace Kernel {
 
 using namespace Common::Literals;

src/core/hle/kernel/k_transfer_memory.h

@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include <memory>
+
 #include "core/hle/kernel/slab_helpers.h"
 #include "core/hle/kernel/svc_types.h"
 #include "core/hle/result.h"

src/core/hle/kernel/kernel.cpp

@@ -39,7 +39,9 @@
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/physical_core.h"
 #include "core/hle/kernel/service_thread.h"
+#include "core/hle/kernel/svc_results.h"
 #include "core/hle/kernel/time_manager.h"
+#include "core/hle/lock.h"
 #include "core/hle/result.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/memory.h"

src/core/hle/kernel/physical_core.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <array>
 #include <cstddef>
 #include <memory>
 

src/core/hle/kernel/service_thread.cpp

@@ -9,11 +9,15 @@
 #include <vector>
 #include <queue>
 
+#include "common/assert.h"
 #include "common/scope_exit.h"
 #include "common/thread.h"
+#include "core/core.h"
 #include "core/hle/kernel/k_session.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/service_thread.h"
+#include "core/hle/lock.h"
+#include "video_core/renderer_base.h"
 
 namespace Kernel {
 

src/core/hle/kernel/slab_helpers.h

@@ -4,8 +4,16 @@
 
 #pragma once
 
+#include <atomic>
+
+#include "common/assert.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/intrusive_red_black_tree.h"
 #include "core/hle/kernel/k_auto_object.h"
 #include "core/hle/kernel/k_auto_object_container.h"
+#include "core/hle/kernel/k_light_lock.h"
+#include "core/hle/kernel/k_slab_heap.h"
 #include "core/hle/kernel/kernel.h"
 
 namespace Kernel {

src/core/hle/kernel/svc.cpp

@@ -13,11 +13,18 @@
 #include "common/common_funcs.h"
 #include "common/fiber.h"
 #include "common/logging/log.h"
+#include "common/microprofile.h"
 #include "common/scope_exit.h"
+#include "common/string_util.h"
+#include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
 #include "core/core_timing.h"
+#include "core/core_timing_util.h"
+#include "core/cpu_manager.h"
+#include "core/hle/kernel/k_address_arbiter.h"
 #include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_client_session.h"
+#include "core/hle/kernel/k_condition_variable.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_handle_table.h"
 #include "core/hle/kernel/k_memory_block.h"
@@ -28,6 +35,7 @@
 #include "core/hle/kernel/k_resource_limit.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_scoped_resource_reservation.h"
+#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/k_shared_memory.h"
 #include "core/hle/kernel/k_synchronization_object.h"
 #include "core/hle/kernel/k_thread.h"
@@ -39,8 +47,10 @@
 #include "core/hle/kernel/svc_results.h"
 #include "core/hle/kernel/svc_types.h"
 #include "core/hle/kernel/svc_wrap.h"
+#include "core/hle/kernel/time_manager.h"
 #include "core/hle/lock.h"
 #include "core/hle/result.h"
+#include "core/hle/service/service.h"
 #include "core/memory.h"
 #include "core/reporter.h"
 
@@ -399,12 +409,12 @@ static ResultCode GetProcessId32(Core::System& system, u32* out_process_id_low,
 
 /// Wait for the given handles to synchronize, timeout after the specified nanoseconds
 static ResultCode WaitSynchronization(Core::System& system, s32* index, VAddr handles_address,
-                                      s32 num_handles, s64 nano_seconds) {
+                                      u64 num_handles, s64 nano_seconds) {
     LOG_TRACE(Kernel_SVC, "called handles_address=0x{:X}, num_handles={}, nano_seconds={}",
               handles_address, num_handles, nano_seconds);
 
     // Ensure number of handles is valid.
-    R_UNLESS(0 <= num_handles && num_handles <= ArgumentHandleCountMax, ResultOutOfRange);
+    R_UNLESS(num_handles <= ArgumentHandleCountMax, ResultOutOfRange);
 
     auto& kernel = system.Kernel();
     std::vector<KSynchronizationObject*> objs(num_handles);
@@ -424,7 +434,7 @@ static ResultCode WaitSynchronization(Core::System& system, s32* index, VAddr ha
 
     // Ensure handles are closed when we're done.
     SCOPE_EXIT({
-        for (s32 i = 0; i < num_handles; ++i) {
+        for (u64 i = 0; i < num_handles; ++i) {
             kernel.UnregisterInUseObject(objs[i]);
             objs[i]->Close();
         }
@@ -768,7 +778,7 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle
             return ResultSuccess;
 
         case GetInfoType::TitleId:
-            *result = process->GetProgramID();
+            *result = process->GetTitleID();
             return ResultSuccess;
 
         case GetInfoType::UserExceptionContextAddr:

src/core/hle/kernel/svc_wrap.h

@@ -248,10 +248,10 @@ void SvcWrap64(Core::System& system) {
 }
 
 // Used by WaitSynchronization
-template <ResultCode func(Core::System&, s32*, u64, s32, s64)>
+template <ResultCode func(Core::System&, s32*, u64, u64, s64)>
 void SvcWrap64(Core::System& system) {
     s32 param_1 = 0;
-    const u32 retval = func(system, &param_1, Param(system, 1), static_cast<s32>(Param(system, 2)),
+    const u32 retval = func(system, &param_1, Param(system, 1), static_cast<u32>(Param(system, 2)),
                             static_cast<s64>(Param(system, 3)))
                            .raw;
 

src/core/hle/kernel/time_manager.cpp

@@ -5,7 +5,10 @@
 #include "common/assert.h"
 #include "core/core.h"
 #include "core/core_timing.h"
+#include "core/core_timing_util.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/time_manager.h"
 
 namespace Kernel {

src/core/hle/kernel/time_manager.h

@@ -6,6 +6,7 @@
 
 #include <memory>
 #include <mutex>
+#include <unordered_map>
 
 namespace Core {
 class System;

src/core/hle/result.h

@@ -4,10 +4,11 @@
 
 #pragma once
 
+#include <new>
+#include <utility>
 #include "common/assert.h"
 #include "common/bit_field.h"
 #include "common/common_types.h"
-#include "common/expected.h"
 
 // All the constants in this file come from http://switchbrew.org/index.php?title=Error_codes
 
@@ -154,131 +155,204 @@ constexpr ResultCode ResultSuccess(0);
 constexpr ResultCode ResultUnknown(UINT32_MAX);
 
 /**
- * This is an optional value type. It holds a `ResultCode` and, if that code is ResultSuccess, it
- * also holds a result of type `T`. If the code is an error code (not ResultSuccess), then trying
- * to access the inner value with operator* is undefined behavior and will assert with Unwrap().
- * Users of this class must be cognizant to check the status of the ResultVal with operator bool(),
- * Code(), Succeeded() or Failed() prior to accessing the inner value.
+ * This is an optional value type. It holds a `ResultCode` and, if that code is a success code,
+ * also holds a result of type `T`. If the code is an error code then trying to access the inner
+ * value fails, thus ensuring that the ResultCode of functions is always checked properly before
+ * their return value is used.  It is similar in concept to the `std::optional` type
+ * (http://en.cppreference.com/w/cpp/experimental/optional) originally proposed for inclusion in
+ * C++14, or the `Result` type in Rust (http://doc.rust-lang.org/std/result/index.html).
  *
  * An example of how it could be used:
  * \code
  * ResultVal<int> Frobnicate(float strength) {
  *     if (strength < 0.f || strength > 1.0f) {
  *         // Can't frobnicate too weakly or too strongly
- *         return ResultCode{ErrorModule::Common, 1};
+ *         return ResultCode(ErrorDescription::OutOfRange, ErrorModule::Common,
+ *             ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
  *     } else {
  *         // Frobnicated! Give caller a cookie
- *         return 42;
+ *         return MakeResult<int>(42);
  *     }
  * }
  * \endcode
  *
  * \code
- * auto frob_result = Frobnicate(0.75f);
+ * ResultVal<int> frob_result = Frobnicate(0.75f);
  * if (frob_result) {
  *     // Frobbed ok
  *     printf("My cookie is %d\n", *frob_result);
  * } else {
- *     printf("Guess I overdid it. :( Error code: %ux\n", frob_result.Code().raw);
+ *     printf("Guess I overdid it. :( Error code: %ux\n", frob_result.code().hex);
  * }
  * \endcode
  */
 template <typename T>
 class ResultVal {
 public:
-    constexpr ResultVal() : expected{} {}
-
-    constexpr ResultVal(ResultCode code) : expected{Common::Unexpected(code)} {}
-
-    template <typename U>
-    constexpr ResultVal(U&& val) : expected{std::forward<U>(val)} {}
+    /// Constructs an empty `ResultVal` with the given error code. The code must not be a success
+    /// code.
+    ResultVal(ResultCode error_code = ResultUnknown) : result_code(error_code) {
+        ASSERT(error_code.IsError());
+    }
 
+    /**
+     * Similar to the non-member function `MakeResult`, with the exception that you can manually
+     * specify the success code. `success_code` must not be an error code.
+     */
     template <typename... Args>
-    constexpr ResultVal(Args&&... args) : expected{std::in_place, std::forward<Args>(args)...} {}
-
-    ~ResultVal() = default;
-
-    constexpr ResultVal(const ResultVal&) = default;
-    constexpr ResultVal(ResultVal&&) = default;
-
-    ResultVal& operator=(const ResultVal&) = default;
-    ResultVal& operator=(ResultVal&&) = default;
-
-    [[nodiscard]] constexpr explicit operator bool() const noexcept {
-        return expected.has_value();
+    [[nodiscard]] static ResultVal WithCode(ResultCode success_code, Args&&... args) {
+        ResultVal<T> result;
+        result.emplace(success_code, std::forward<Args>(args)...);
+        return result;
     }
 
-    [[nodiscard]] constexpr ResultCode Code() const {
-        return expected.has_value() ? ResultSuccess : expected.error();
+    ResultVal(const ResultVal& o) noexcept : result_code(o.result_code) {
+        if (!o.empty()) {
+            new (&object) T(o.object);
+        }
     }
 
-    [[nodiscard]] constexpr bool Succeeded() const {
-        return expected.has_value();
+    ResultVal(ResultVal&& o) noexcept : result_code(o.result_code) {
+        if (!o.empty()) {
+            new (&object) T(std::move(o.object));
+        }
     }
 
-    [[nodiscard]] constexpr bool Failed() const {
-        return !expected.has_value();
+    ~ResultVal() {
+        if (!empty()) {
+            object.~T();
+        }
     }
 
-    [[nodiscard]] constexpr T* operator->() {
-        return std::addressof(expected.value());
+    ResultVal& operator=(const ResultVal& o) noexcept {
+        if (this == &o) {
+            return *this;
+        }
+        if (!empty()) {
+            if (!o.empty()) {
+                object = o.object;
+            } else {
+                object.~T();
+            }
+        } else {
+            if (!o.empty()) {
+                new (&object) T(o.object);
+            }
+        }
+        result_code = o.result_code;
+
+        return *this;
     }
 
-    [[nodiscard]] constexpr const T* operator->() const {
-        return std::addressof(expected.value());
+    ResultVal& operator=(ResultVal&& o) noexcept {
+        if (this == &o) {
+            return *this;
+        }
+        if (!empty()) {
+            if (!o.empty()) {
+                object = std::move(o.object);
+            } else {
+                object.~T();
+            }
+        } else {
+            if (!o.empty()) {
+                new (&object) T(std::move(o.object));
+            }
+        }
+        result_code = o.result_code;
+
+        return *this;
     }
 
-    [[nodiscard]] constexpr T& operator*() & {
-        return *expected;
+    /**
+     * Replaces the current result with a new constructed result value in-place. The code must not
+     * be an error code.
+     */
+    template <typename... Args>
+    void emplace(ResultCode success_code, Args&&... args) {
+        ASSERT(success_code.IsSuccess());
+        if (!empty()) {
+            object.~T();
+        }
+        new (&object) T(std::forward<Args>(args)...);
+        result_code = success_code;
     }
 
-    [[nodiscard]] constexpr const T& operator*() const& {
-        return *expected;
+    /// Returns true if the `ResultVal` contains an error code and no value.
+    [[nodiscard]] bool empty() const {
+        return result_code.IsError();
     }
 
-    [[nodiscard]] constexpr T&& operator*() && {
-        return *expected;
+    /// Returns true if the `ResultVal` contains a return value.
+    [[nodiscard]] bool Succeeded() const {
+        return result_code.IsSuccess();
+    }
+    /// Returns true if the `ResultVal` contains an error code and no value.
+    [[nodiscard]] bool Failed() const {
+        return empty();
     }
 
-    [[nodiscard]] constexpr const T&& operator*() const&& {
-        return *expected;
+    [[nodiscard]] ResultCode Code() const {
+        return result_code;
     }
 
-    [[nodiscard]] constexpr T& Unwrap() & {
-        ASSERT_MSG(Succeeded(), "Tried to Unwrap empty ResultVal");
-        return expected.value();
-    }
-
-    [[nodiscard]] constexpr const T& Unwrap() const& {
-        ASSERT_MSG(Succeeded(), "Tried to Unwrap empty ResultVal");
-        return expected.value();
-    }
-
-    [[nodiscard]] constexpr T&& Unwrap() && {
-        ASSERT_MSG(Succeeded(), "Tried to Unwrap empty ResultVal");
-        return std::move(expected.value());
-    }
-
-    [[nodiscard]] constexpr const T&& Unwrap() const&& {
-        ASSERT_MSG(Succeeded(), "Tried to Unwrap empty ResultVal");
-        return std::move(expected.value());
+    [[nodiscard]] const T& operator*() const {
+        return object;
+    }
+    [[nodiscard]] T& operator*() {
+        return object;
+    }
+    [[nodiscard]] const T* operator->() const {
+        return &object;
+    }
+    [[nodiscard]] T* operator->() {
+        return &object;
     }
 
+    /// Returns the value contained in this `ResultVal`, or the supplied default if it is missing.
     template <typename U>
-    [[nodiscard]] constexpr T ValueOr(U&& v) const& {
-        return expected.value_or(v);
+    [[nodiscard]] T ValueOr(U&& value) const {
+        return !empty() ? object : std::move(value);
     }
 
-    template <typename U>
-    [[nodiscard]] constexpr T ValueOr(U&& v) && {
-        return expected.value_or(v);
+    /// Asserts that the result succeeded and returns a reference to it.
+    [[nodiscard]] T& Unwrap() & {
+        ASSERT_MSG(Succeeded(), "Tried to Unwrap empty ResultVal");
+        return **this;
+    }
+
+    [[nodiscard]] T&& Unwrap() && {
+        ASSERT_MSG(Succeeded(), "Tried to Unwrap empty ResultVal");
+        return std::move(**this);
     }
 
 private:
-    // TODO: Replace this with std::expected once it is standardized in the STL.
-    Common::Expected<T, ResultCode> expected;
+    // A union is used to allocate the storage for the value, while allowing us to construct and
+    // destruct it at will.
+    union {
+        T object;
+    };
+    ResultCode result_code;
 };
 
+/**
+ * This function is a helper used to construct `ResultVal`s. It receives the arguments to construct
+ * `T` with and creates a success `ResultVal` contained the constructed value.
+ */
+template <typename T, typename... Args>
+[[nodiscard]] ResultVal<T> MakeResult(Args&&... args) {
+    return ResultVal<T>::WithCode(ResultSuccess, std::forward<Args>(args)...);
+}
+
+/**
+ * Deducible overload of MakeResult, allowing the template parameter to be ommited if you're just
+ * copy or move constructing.
+ */
+template <typename Arg>
+[[nodiscard]] ResultVal<std::remove_cvref_t<Arg>> MakeResult(Arg&& arg) {
+    return ResultVal<std::remove_cvref_t<Arg>>::WithCode(ResultSuccess, std::forward<Arg>(arg));
+}
+
 /**
  * Check for the success of `source` (which must evaluate to a ResultVal). If it succeeds, unwraps
  * the contained value and assigns it to `target`, which can be either an l-value expression or a

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

@@ -16,6 +16,7 @@
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/patch_manager.h"
 #include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/service/acc/acc.h"
 #include "core/hle/service/acc/acc_aa.h"
@@ -25,7 +26,9 @@
 #include "core/hle/service/acc/async_context.h"
 #include "core/hle/service/acc/errors.h"
 #include "core/hle/service/acc/profile_manager.h"
+#include "core/hle/service/glue/arp.h"
 #include "core/hle/service/glue/glue_manager.h"
+#include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
 
 namespace Service::Account {
@@ -758,8 +761,9 @@ ResultCode Module::Interface::InitializeApplicationInfoBase() {
     // TODO(ogniK): This should be changed to reflect the target process for when we have multiple
     // processes emulated. As we don't actually have pid support we should assume we're just using
     // our own process
+    const auto& current_process = system.Kernel().CurrentProcess();
     const auto launch_property =
-        system.GetARPManager().GetLaunchProperty(system.GetCurrentProcessProgramID());
+        system.GetARPManager().GetLaunchProperty(current_process->GetTitleID());
 
     if (launch_property.Failed()) {
         LOG_ERROR(Service_ACC, "Failed to get launch property");
@@ -803,7 +807,7 @@ void Module::Interface::IsUserAccountSwitchLocked(Kernel::HLERequestContext& ctx
     bool is_locked = false;
 
     if (res != Loader::ResultStatus::Success) {
-        const FileSys::PatchManager pm{system.GetCurrentProcessProgramID(),
+        const FileSys::PatchManager pm{system.CurrentProcess()->GetTitleID(),
                                        system.GetFileSystemController(),
                                        system.GetContentProvider()};
         const auto nacp_unique = pm.GetControlMetadata().first;
@@ -822,13 +826,6 @@ void Module::Interface::IsUserAccountSwitchLocked(Kernel::HLERequestContext& ctx
     rb.Push(is_locked);
 }
 
-void Module::Interface::InitializeApplicationInfoV2(Kernel::HLERequestContext& ctx) {
-    LOG_WARNING(Service_ACC, "(STUBBED) called");
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(ResultSuccess);
-}
-
 void Module::Interface::GetProfileEditor(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     Common::UUID user_id = rp.PopRaw<Common::UUID>();

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

@@ -33,7 +33,6 @@ public:
         void IsUserRegistrationRequestPermitted(Kernel::HLERequestContext& ctx);
         void TrySelectUserWithoutInteraction(Kernel::HLERequestContext& ctx);
         void IsUserAccountSwitchLocked(Kernel::HLERequestContext& ctx);
-        void InitializeApplicationInfoV2(Kernel::HLERequestContext& ctx);
         void GetProfileEditor(Kernel::HLERequestContext& ctx);
         void ListQualifiedUsers(Kernel::HLERequestContext& ctx);
         void LoadOpenContext(Kernel::HLERequestContext& ctx);

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

@@ -34,7 +34,6 @@ ACC_U0::ACC_U0(std::shared_ptr<Module> module_, std::shared_ptr<ProfileManager>
         {140, &ACC_U0::InitializeApplicationInfoRestricted, "InitializeApplicationInfoRestricted"}, // 6.0.0+
         {141, &ACC_U0::ListQualifiedUsers, "ListQualifiedUsers"}, // 6.0.0+
         {150, &ACC_U0::IsUserAccountSwitchLocked, "IsUserAccountSwitchLocked"}, // 6.0.0+
-        {160, &ACC_U0::InitializeApplicationInfoV2, "InitializeApplicationInfoV2"},
     };
     // clang-format on
 

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

@@ -15,12 +15,15 @@
 #include "core/file_sys/savedata_factory.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_transfer_memory.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/service/acc/profile_manager.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applet_ae.h"
 #include "core/hle/service/am/applet_oe.h"
 #include "core/hle/service/am/applets/applet_profile_select.h"
+#include "core/hle/service/am/applets/applet_software_keyboard.h"
 #include "core/hle/service/am/applets/applet_web_browser.h"
 #include "core/hle/service/am/applets/applets.h"
 #include "core/hle/service/am/idle.h"
@@ -34,6 +37,7 @@
 #include "core/hle/service/ns/ns.h"
 #include "core/hle/service/nvflinger/nvflinger.h"
 #include "core/hle/service/pm/pm.h"
+#include "core/hle/service/set/set.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/hle/service/vi/vi.h"
 #include "core/memory.h"
@@ -797,11 +801,15 @@ void ICommonStateGetter::GetDefaultDisplayResolution(Kernel::HLERequestContext&
     rb.Push(ResultSuccess);
 
     if (Settings::values.use_docked_mode.GetValue()) {
-        rb.Push(static_cast<u32>(Service::VI::DisplayResolution::DockedWidth));
-        rb.Push(static_cast<u32>(Service::VI::DisplayResolution::DockedHeight));
+        rb.Push(static_cast<u32>(Service::VI::DisplayResolution::DockedWidth) *
+                static_cast<u32>(Settings::values.resolution_factor.GetValue()));
+        rb.Push(static_cast<u32>(Service::VI::DisplayResolution::DockedHeight) *
+                static_cast<u32>(Settings::values.resolution_factor.GetValue()));
     } else {
-        rb.Push(static_cast<u32>(Service::VI::DisplayResolution::UndockedWidth));
-        rb.Push(static_cast<u32>(Service::VI::DisplayResolution::UndockedHeight));
+        rb.Push(static_cast<u32>(Service::VI::DisplayResolution::UndockedWidth) *
+                static_cast<u32>(Settings::values.resolution_factor.GetValue()));
+        rb.Push(static_cast<u32>(Service::VI::DisplayResolution::UndockedHeight) *
+                static_cast<u32>(Settings::values.resolution_factor.GetValue()));
     }
 }
 
@@ -1424,7 +1432,7 @@ void IApplicationFunctions::PopLaunchParameter(Kernel::HLERequestContext& ctx) {
         u64 build_id{};
         std::memcpy(&build_id, build_id_full.data(), sizeof(u64));
 
-        auto data = backend->GetLaunchParameter({system.GetCurrentProcessProgramID(), build_id});
+        auto data = backend->GetLaunchParameter({system.CurrentProcess()->GetTitleID(), build_id});
         if (data.has_value()) {
             IPC::ResponseBuilder rb{ctx, 2, 0, 1};
             rb.Push(ResultSuccess);
@@ -1476,7 +1484,7 @@ void IApplicationFunctions::EnsureSaveData(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_AM, "called, uid={:016X}{:016X}", user_id[1], user_id[0]);
 
     FileSys::SaveDataAttribute attribute{};
-    attribute.title_id = system.GetCurrentProcessProgramID();
+    attribute.title_id = system.CurrentProcess()->GetTitleID();
     attribute.user_id = user_id;
     attribute.type = FileSys::SaveDataType::SaveData;
     const auto res = system.GetFileSystemController().CreateSaveData(
@@ -1506,7 +1514,7 @@ void IApplicationFunctions::GetDisplayVersion(Kernel::HLERequestContext& ctx) {
     std::array<u8, 0x10> version_string{};
 
     const auto res = [this] {
-        const auto title_id = system.GetCurrentProcessProgramID();
+        const auto title_id = system.CurrentProcess()->GetTitleID();
 
         const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
                                        system.GetContentProvider()};
@@ -1543,7 +1551,7 @@ void IApplicationFunctions::GetDesiredLanguage(Kernel::HLERequestContext& ctx) {
     u32 supported_languages = 0;
 
     const auto res = [this] {
-        const auto title_id = system.GetCurrentProcessProgramID();
+        const auto title_id = system.CurrentProcess()->GetTitleID();
 
         const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
                                        system.GetContentProvider()};
@@ -1651,7 +1659,7 @@ void IApplicationFunctions::ExtendSaveData(Kernel::HLERequestContext& ctx) {
               static_cast<u8>(type), user_id[1], user_id[0], new_normal_size, new_journal_size);
 
     system.GetFileSystemController().WriteSaveDataSize(
-        type, system.GetCurrentProcessProgramID(), user_id, {new_normal_size, new_journal_size});
+        type, system.CurrentProcess()->GetTitleID(), user_id, {new_normal_size, new_journal_size});
 
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(ResultSuccess);
@@ -1675,7 +1683,7 @@ void IApplicationFunctions::GetSaveDataSize(Kernel::HLERequestContext& ctx) {
               user_id[0]);
 
     const auto size = system.GetFileSystemController().ReadSaveDataSize(
-        type, system.GetCurrentProcessProgramID(), user_id);
+        type, system.CurrentProcess()->GetTitleID(), user_id);
 
     IPC::ResponseBuilder rb{ctx, 6};
     rb.Push(ResultSuccess);

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

@@ -9,6 +9,7 @@
 #include "common/string_util.h"
 #include "core/core.h"
 #include "core/frontend/applets/error.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applet_error.h"
 #include "core/reporter.h"
@@ -166,7 +167,7 @@ void Error::Execute() {
     }
 
     const auto callback = [this] { DisplayCompleted(); };
-    const auto title_id = system.GetCurrentProcessProgramID();
+    const auto title_id = system.CurrentProcess()->GetTitleID();
     const auto& reporter{system.GetReporter()};
 
     switch (mode) {

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

@@ -2,11 +2,14 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <string_view>
+
 #include "common/assert.h"
 #include "common/hex_util.h"
 #include "common/logging/log.h"
 #include "core/core.h"
 #include "core/frontend/applets/general_frontend.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/result.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applet_general_backend.h"
@@ -186,7 +189,7 @@ void PhotoViewer::Execute() {
     const auto callback = [this] { ViewFinished(); };
     switch (mode) {
     case PhotoViewerAppletMode::CurrentApp:
-        frontend.ShowPhotosForApplication(system.GetCurrentProcessProgramID(), callback);
+        frontend.ShowPhotosForApplication(system.CurrentProcess()->GetTitleID(), callback);
         break;
     case PhotoViewerAppletMode::AllApps:
         frontend.ShowAllPhotos(callback);

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

@@ -109,18 +109,13 @@ void SoftwareKeyboard::Execute() {
     ShowNormalKeyboard();
 }
 
-void SoftwareKeyboard::SubmitTextNormal(SwkbdResult result, std::u16string submitted_text,
-                                        bool confirmed) {
+void SoftwareKeyboard::SubmitTextNormal(SwkbdResult result, std::u16string submitted_text) {
     if (complete) {
         return;
     }
 
     if (swkbd_config_common.use_text_check && result == SwkbdResult::Ok) {
-        if (confirmed) {
-            SubmitNormalOutputAndExit(result, submitted_text);
-        } else {
-            SubmitForTextCheck(submitted_text);
-        }
+        SubmitForTextCheck(submitted_text);
     } else {
         SubmitNormalOutputAndExit(result, submitted_text);
     }
@@ -278,21 +273,13 @@ void SoftwareKeyboard::ProcessTextCheck() {
 
     std::memcpy(&swkbd_text_check, text_check_data.data(), sizeof(SwkbdTextCheck));
 
-    std::u16string text_check_message = [this, &swkbd_text_check]() -> std::u16string {
-        if (swkbd_text_check.text_check_result == SwkbdTextCheckResult::Failure ||
-            swkbd_text_check.text_check_result == SwkbdTextCheckResult::Confirm) {
-            return swkbd_config_common.use_utf8
-                       ? Common::UTF8ToUTF16(Common::StringFromFixedZeroTerminatedBuffer(
-                             reinterpret_cast<const char*>(
-                                 swkbd_text_check.text_check_message.data()),
-                             swkbd_text_check.text_check_message.size() * sizeof(char16_t)))
-                       : Common::UTF16StringFromFixedZeroTerminatedBuffer(
-                             swkbd_text_check.text_check_message.data(),
-                             swkbd_text_check.text_check_message.size());
-        } else {
-            return u"";
-        }
-    }();
+    std::u16string text_check_message =
+        swkbd_text_check.text_check_result == SwkbdTextCheckResult::Failure ||
+                swkbd_text_check.text_check_result == SwkbdTextCheckResult::Confirm
+            ? Common::UTF16StringFromFixedZeroTerminatedBuffer(
+                  swkbd_text_check.text_check_message.data(),
+                  swkbd_text_check.text_check_message.size())
+            : u"";
 
     LOG_INFO(Service_AM, "\nTextCheckResult: {}\nTextCheckMessage: {}",
              GetTextCheckResultName(swkbd_text_check.text_check_result),
@@ -596,12 +583,11 @@ void SoftwareKeyboard::InitializeFrontendKeyboard() {
             .disable_cancel_button{disable_cancel_button},
         };
 
-        frontend.InitializeKeyboard(
-            false, std::move(initialize_parameters),
-            [this](SwkbdResult result, std::u16string submitted_text, bool confirmed) {
-                SubmitTextNormal(result, submitted_text, confirmed);
-            },
-            {});
+        frontend.InitializeKeyboard(false, std::move(initialize_parameters),
+                                    [this](SwkbdResult result, std::u16string submitted_text) {
+                                        SubmitTextNormal(result, submitted_text);
+                                    },
+                                    {});
     }
 }