vulkan_instance: Allow different Vulkan versions and enforce 1.1

For listing the available physical devices we can use Vulkan 1.0.
Now that MoltenVK supports 1.1 we can require it for running games.

Add missing documentation.

CMakeLists.txt

@@ -24,8 +24,6 @@ option(YUZU_ENABLE_BOXCAT "Enable the Boxcat service, a yuzu high-level implemen
 
 option(ENABLE_CUBEB "Enables the cubeb audio backend" ON)
 
-option(ENABLE_VULKAN "Enables Vulkan backend" ON)
-
 option(USE_DISCORD_PRESENCE "Enables Discord Rich Presence" OFF)
 
 # Default to a Release build
@@ -160,7 +158,6 @@ 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
-        "Boost             1.73        boost/1.73.0"
         "Catch2            2.13        catch2/2.13.0"
         "fmt               7.1         fmt/7.1.2"
     # can't use until https://github.com/bincrafters/community/issues/1173
@@ -195,6 +192,22 @@ macro(yuzu_find_packages)
     unset(FN_FORCE_REQUIRED)
 endmacro()
 
+find_package(Boost 1.73.0 COMPONENTS context headers QUIET)
+if (Boost_FOUND)
+    set(Boost_LIBRARIES Boost::boost)
+    # Conditionally add Boost::context only if the active version of the Conan or system Boost package provides it
+    # The old version is missing Boost::context, so we want to avoid adding in that case
+    # The new version requires adding Boost::context to prevent linking issues
+    #
+    # This one is used by Conan on subsequent CMake configures, not the first configure.
+    if (TARGET Boost::context)
+        list(APPEND Boost_LIBRARIES Boost::context)
+    endif()
+else()
+    message(STATUS "Boost 1.73.0 or newer not found, falling back to Conan")
+    list(APPEND CONAN_REQUIRED_LIBS "boost/1.73.0")
+endif()
+
 # Attempt to locate any packages that are required and report the missing ones in CONAN_REQUIRED_LIBS
 yuzu_find_packages()
 
@@ -299,6 +312,17 @@ if (CONAN_REQUIRED_LIBS)
     # this time with required, so we bail if its not found.
     yuzu_find_packages(FORCE_REQUIRED)
 
+    if (NOT Boost_FOUND)
+        find_package(Boost 1.73.0 REQUIRED COMPONENTS context headers)
+        set(Boost_LIBRARIES Boost::boost)
+        # Conditionally add Boost::context only if the active version of the Conan Boost package provides it
+        # The old version is missing Boost::context, so we want to avoid adding in that case
+        # The new version requires adding Boost::context to prevent linking issues
+        if (TARGET Boost::context)
+            list(APPEND Boost_LIBRARIES Boost::context)
+        endif()
+    endif()
+    
     # Due to issues with variable scopes in functions, we need to also find_package(qt5) outside of the function
     if(ENABLE_QT)
         list(APPEND CMAKE_MODULE_PATH "${CONAN_QT_ROOT_RELEASE}")

externals/CMakeLists.txt

@@ -61,9 +61,7 @@ if (USE_DISCORD_PRESENCE)
 endif()
 
 # Sirit
-if (ENABLE_VULKAN)
-    add_subdirectory(sirit)
-endif()
+add_subdirectory(sirit)
 
 # libzip
 find_package(Libzip 1.5)

src/CMakeLists.txt

@@ -62,6 +62,7 @@ else()
         -Werror=implicit-fallthrough
         -Werror=missing-declarations
         -Werror=reorder
+        -Werror=uninitialized
         -Werror=unused-result
         -Wextra
         -Wmissing-declarations

src/common/CMakeLists.txt

@@ -104,6 +104,7 @@ add_library(common STATIC
     detached_tasks.h
     bit_cast.h
     bit_field.h
+    bit_set.h
     bit_util.h
     cityhash.cpp
     cityhash.h
@@ -140,7 +141,6 @@ add_library(common STATIC
     microprofile.h
     microprofileui.h
     misc.cpp
-    multi_level_queue.h
     page_table.cpp
     page_table.h
     param_package.cpp
@@ -209,7 +209,6 @@ else()
 endif()
 
 create_target_directory_groups(common)
-find_package(Boost 1.71 COMPONENTS context headers REQUIRED)
 
 target_link_libraries(common PUBLIC ${Boost_LIBRARIES} fmt::fmt microprofile)
 target_link_libraries(common PRIVATE lz4::lz4 xbyak)

src/common/bit_set.h

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <array>
+#include <bit>
+
+#include "common/alignment.h"
+#include "common/bit_util.h"
+#include "common/common_types.h"
+
+namespace Common {
+
+namespace impl {
+
+template <typename Storage, size_t N>
+class BitSet {
+
+public:
+    constexpr BitSet() = default;
+
+    constexpr void SetBit(size_t i) {
+        this->words[i / FlagsPerWord] |= GetBitMask(i % FlagsPerWord);
+    }
+
+    constexpr void ClearBit(size_t i) {
+        this->words[i / FlagsPerWord] &= ~GetBitMask(i % FlagsPerWord);
+    }
+
+    constexpr size_t CountLeadingZero() const {
+        for (size_t i = 0; i < NumWords; i++) {
+            if (this->words[i]) {
+                return FlagsPerWord * i + CountLeadingZeroImpl(this->words[i]);
+            }
+        }
+        return FlagsPerWord * NumWords;
+    }
+
+    constexpr size_t GetNextSet(size_t n) const {
+        for (size_t i = (n + 1) / FlagsPerWord; i < NumWords; i++) {
+            Storage word = this->words[i];
+            if (!IsAligned(n + 1, FlagsPerWord)) {
+                word &= GetBitMask(n % FlagsPerWord) - 1;
+            }
+            if (word) {
+                return FlagsPerWord * i + CountLeadingZeroImpl(word);
+            }
+        }
+        return FlagsPerWord * NumWords;
+    }
+
+private:
+    static_assert(std::is_unsigned_v<Storage>);
+    static_assert(sizeof(Storage) <= sizeof(u64));
+
+    static constexpr size_t FlagsPerWord = BitSize<Storage>();
+    static constexpr size_t NumWords = AlignUp(N, FlagsPerWord) / FlagsPerWord;
+
+    static constexpr auto CountLeadingZeroImpl(Storage word) {
+        return std::countl_zero(static_cast<unsigned long long>(word)) -
+               (BitSize<unsigned long long>() - FlagsPerWord);
+    }
+
+    static constexpr Storage GetBitMask(size_t bit) {
+        return Storage(1) << (FlagsPerWord - 1 - bit);
+    }
+
+    std::array<Storage, NumWords> words{};
+};
+
+} // namespace impl
+
+template <size_t N>
+using BitSet8 = impl::BitSet<u8, N>;
+
+template <size_t N>
+using BitSet16 = impl::BitSet<u16, N>;
+
+template <size_t N>
+using BitSet32 = impl::BitSet<u32, N>;
+
+template <size_t N>
+using BitSet64 = impl::BitSet<u64, N>;
+
+} // namespace Common

src/common/concepts.h

@@ -31,4 +31,8 @@ concept DerivedFrom = requires {
     std::is_convertible_v<const volatile Derived*, const volatile Base*>;
 };
 
+// TODO: Replace with std::convertible_to when libc++ implements it.
+template <typename From, typename To>
+concept ConvertibleTo = std::is_convertible_v<From, To>;
+
 } // namespace Common

src/common/multi_level_queue.h

@@ -1,345 +0,0 @@
-// Copyright 2019 TuxSH
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <iterator>
-#include <list>
-#include <utility>
-
-#include "common/bit_util.h"
-#include "common/common_types.h"
-
-namespace Common {
-
-/**
- * A MultiLevelQueue is a type of priority queue which has the following characteristics:
- * - iteratable through each of its elements.
- * - back can be obtained.
- * - O(1) add, lookup (both front and back)
- * - discrete priorities and a max of 64 priorities (limited domain)
- * This type of priority queue is normaly used for managing threads within an scheduler
- */
-template <typename T, std::size_t Depth>
-class MultiLevelQueue {
-public:
-    using value_type = T;
-    using reference = value_type&;
-    using const_reference = const value_type&;
-    using pointer = value_type*;
-    using const_pointer = const value_type*;
-
-    using difference_type = typename std::pointer_traits<pointer>::difference_type;
-    using size_type = std::size_t;
-
-    template <bool is_constant>
-    class iterator_impl {
-    public:
-        using iterator_category = std::bidirectional_iterator_tag;
-        using value_type = T;
-        using pointer = std::conditional_t<is_constant, T*, const T*>;
-        using reference = std::conditional_t<is_constant, const T&, T&>;
-        using difference_type = typename std::pointer_traits<pointer>::difference_type;
-
-        friend bool operator==(const iterator_impl& lhs, const iterator_impl& rhs) {
-            if (lhs.IsEnd() && rhs.IsEnd())
-                return true;
-            return std::tie(lhs.current_priority, lhs.it) == std::tie(rhs.current_priority, rhs.it);
-        }
-
-        friend bool operator!=(const iterator_impl& lhs, const iterator_impl& rhs) {
-            return !operator==(lhs, rhs);
-        }
-
-        reference operator*() const {
-            return *it;
-        }
-
-        pointer operator->() const {
-            return it.operator->();
-        }
-
-        iterator_impl& operator++() {
-            if (IsEnd()) {
-                return *this;
-            }
-
-            ++it;
-
-            if (it == GetEndItForPrio()) {
-                u64 prios = mlq.used_priorities;
-                prios &= ~((1ULL << (current_priority + 1)) - 1);
-                if (prios == 0) {
-                    current_priority = static_cast<u32>(mlq.depth());
-                } else {
-                    current_priority = CountTrailingZeroes64(prios);
-                    it = GetBeginItForPrio();
-                }
-            }
-            return *this;
-        }
-
-        iterator_impl& operator--() {
-            if (IsEnd()) {
-                if (mlq.used_priorities != 0) {
-                    current_priority = 63 - CountLeadingZeroes64(mlq.used_priorities);
-                    it = GetEndItForPrio();
-                    --it;
-                }
-            } else if (it == GetBeginItForPrio()) {
-                u64 prios = mlq.used_priorities;
-                prios &= (1ULL << current_priority) - 1;
-                if (prios != 0) {
-                    current_priority = CountTrailingZeroes64(prios);
-                    it = GetEndItForPrio();
-                    --it;
-                }
-            } else {
-                --it;
-            }
-            return *this;
-        }
-
-        iterator_impl operator++(int) {
-            const iterator_impl v{*this};
-            ++(*this);
-            return v;
-        }
-
-        iterator_impl operator--(int) {
-            const iterator_impl v{*this};
-            --(*this);
-            return v;
-        }
-
-        // allow implicit const->non-const
-        iterator_impl(const iterator_impl<false>& other)
-            : mlq(other.mlq), it(other.it), current_priority(other.current_priority) {}
-
-        iterator_impl(const iterator_impl<true>& other)
-            : mlq(other.mlq), it(other.it), current_priority(other.current_priority) {}
-
-        iterator_impl& operator=(const iterator_impl<false>& other) {
-            mlq = other.mlq;
-            it = other.it;
-            current_priority = other.current_priority;
-            return *this;
-        }
-
-        friend class iterator_impl<true>;
-        iterator_impl() = default;
-
-    private:
-        friend class MultiLevelQueue;
-        using container_ref =
-            std::conditional_t<is_constant, const MultiLevelQueue&, MultiLevelQueue&>;
-        using list_iterator = std::conditional_t<is_constant, typename std::list<T>::const_iterator,
-                                                 typename std::list<T>::iterator>;
-
-        explicit iterator_impl(container_ref mlq, list_iterator it, u32 current_priority)
-            : mlq(mlq), it(it), current_priority(current_priority) {}
-        explicit iterator_impl(container_ref mlq, u32 current_priority)
-            : mlq(mlq), it(), current_priority(current_priority) {}
-
-        bool IsEnd() const {
-            return current_priority == mlq.depth();
-        }
-
-        list_iterator GetBeginItForPrio() const {
-            return mlq.levels[current_priority].begin();
-        }
-
-        list_iterator GetEndItForPrio() const {
-            return mlq.levels[current_priority].end();
-        }
-
-        container_ref mlq;
-        list_iterator it;
-        u32 current_priority;
-    };
-
-    using iterator = iterator_impl<false>;
-    using const_iterator = iterator_impl<true>;
-
-    void add(const T& element, u32 priority, bool send_back = true) {
-        if (send_back)
-            levels[priority].push_back(element);
-        else
-            levels[priority].push_front(element);
-        used_priorities |= 1ULL << priority;
-    }
-
-    void remove(const T& element, u32 priority) {
-        auto it = ListIterateTo(levels[priority], element);
-        if (it == levels[priority].end())
-            return;
-        levels[priority].erase(it);
-        if (levels[priority].empty()) {
-            used_priorities &= ~(1ULL << priority);
-        }
-    }
-
-    void adjust(const T& element, u32 old_priority, u32 new_priority, bool adjust_front = false) {
-        remove(element, old_priority);
-        add(element, new_priority, !adjust_front);
-    }
-    void adjust(const_iterator it, u32 old_priority, u32 new_priority, bool adjust_front = false) {
-        adjust(*it, old_priority, new_priority, adjust_front);
-    }
-
-    void transfer_to_front(const T& element, u32 priority, MultiLevelQueue& other) {
-        ListSplice(other.levels[priority], other.levels[priority].begin(), levels[priority],
-                   ListIterateTo(levels[priority], element));
-
-        other.used_priorities |= 1ULL << priority;
-
-        if (levels[priority].empty()) {
-            used_priorities &= ~(1ULL << priority);
-        }
-    }
-
-    void transfer_to_front(const_iterator it, u32 priority, MultiLevelQueue& other) {
-        transfer_to_front(*it, priority, other);
-    }
-
-    void transfer_to_back(const T& element, u32 priority, MultiLevelQueue& other) {
-        ListSplice(other.levels[priority], other.levels[priority].end(), levels[priority],
-                   ListIterateTo(levels[priority], element));
-
-        other.used_priorities |= 1ULL << priority;
-
-        if (levels[priority].empty()) {
-            used_priorities &= ~(1ULL << priority);
-        }
-    }
-
-    void transfer_to_back(const_iterator it, u32 priority, MultiLevelQueue& other) {
-        transfer_to_back(*it, priority, other);
-    }
-
-    void yield(u32 priority, std::size_t n = 1) {
-        ListShiftForward(levels[priority], n);
-    }
-
-    [[nodiscard]] std::size_t depth() const {
-        return Depth;
-    }
-
-    [[nodiscard]] std::size_t size(u32 priority) const {
-        return levels[priority].size();
-    }
-
-    [[nodiscard]] std::size_t size() const {
-        u64 priorities = used_priorities;
-        std::size_t size = 0;
-        while (priorities != 0) {
-            const u64 current_priority = CountTrailingZeroes64(priorities);
-            size += levels[current_priority].size();
-            priorities &= ~(1ULL << current_priority);
-        }
-        return size;
-    }
-
-    [[nodiscard]] bool empty() const {
-        return used_priorities == 0;
-    }
-
-    [[nodiscard]] bool empty(u32 priority) const {
-        return (used_priorities & (1ULL << priority)) == 0;
-    }
-
-    [[nodiscard]] u32 highest_priority_set(u32 max_priority = 0) const {
-        const u64 priorities =
-            max_priority == 0 ? used_priorities : (used_priorities & ~((1ULL << max_priority) - 1));
-        return priorities == 0 ? Depth : static_cast<u32>(CountTrailingZeroes64(priorities));
-    }
-
-    [[nodiscard]] u32 lowest_priority_set(u32 min_priority = Depth - 1) const {
-        const u64 priorities = min_priority >= Depth - 1
-                                   ? used_priorities
-                                   : (used_priorities & ((1ULL << (min_priority + 1)) - 1));
-        return priorities == 0 ? Depth : 63 - CountLeadingZeroes64(priorities);
-    }
-
-    [[nodiscard]] const_iterator cbegin(u32 max_prio = 0) const {
-        const u32 priority = highest_priority_set(max_prio);
-        return priority == Depth ? cend()
-                                 : const_iterator{*this, levels[priority].cbegin(), priority};
-    }
-    [[nodiscard]] const_iterator begin(u32 max_prio = 0) const {
-        return cbegin(max_prio);
-    }
-    [[nodiscard]] iterator begin(u32 max_prio = 0) {
-        const u32 priority = highest_priority_set(max_prio);
-        return priority == Depth ? end() : iterator{*this, levels[priority].begin(), priority};
-    }
-
-    [[nodiscard]] const_iterator cend(u32 min_prio = Depth - 1) const {
-        return min_prio == Depth - 1 ? const_iterator{*this, Depth} : cbegin(min_prio + 1);
-    }
-    [[nodiscard]] const_iterator end(u32 min_prio = Depth - 1) const {
-        return cend(min_prio);
-    }
-    [[nodiscard]] iterator end(u32 min_prio = Depth - 1) {
-        return min_prio == Depth - 1 ? iterator{*this, Depth} : begin(min_prio + 1);
-    }
-
-    [[nodiscard]] T& front(u32 max_priority = 0) {
-        const u32 priority = highest_priority_set(max_priority);
-        return levels[priority == Depth ? 0 : priority].front();
-    }
-    [[nodiscard]] const T& front(u32 max_priority = 0) const {
-        const u32 priority = highest_priority_set(max_priority);
-        return levels[priority == Depth ? 0 : priority].front();
-    }
-
-    [[nodiscard]] T& back(u32 min_priority = Depth - 1) {
-        const u32 priority = lowest_priority_set(min_priority); // intended
-        return levels[priority == Depth ? 63 : priority].back();
-    }
-    [[nodiscard]] const T& back(u32 min_priority = Depth - 1) const {
-        const u32 priority = lowest_priority_set(min_priority); // intended
-        return levels[priority == Depth ? 63 : priority].back();
-    }
-
-    void clear() {
-        used_priorities = 0;
-        for (std::size_t i = 0; i < Depth; i++) {
-            levels[i].clear();
-        }
-    }
-
-private:
-    using const_list_iterator = typename std::list<T>::const_iterator;
-
-    static void ListShiftForward(std::list<T>& list, const std::size_t shift = 1) {
-        if (shift >= list.size()) {
-            return;
-        }
-
-        const auto begin_range = list.begin();
-        const auto end_range = std::next(begin_range, shift);
-        list.splice(list.end(), list, begin_range, end_range);
-    }
-
-    static void ListSplice(std::list<T>& in_list, const_list_iterator position,
-                           std::list<T>& out_list, const_list_iterator element) {
-        in_list.splice(position, out_list, element);
-    }
-
-    [[nodiscard]] static const_list_iterator ListIterateTo(const std::list<T>& list,
-                                                           const T& element) {
-        auto it = list.cbegin();
-        while (it != list.cend() && *it != element) {
-            ++it;
-        }
-        return it;
-    }
-
-    std::array<std::list<T>, Depth> levels;
-    u64 used_priorities = 0;
-};
-
-} // namespace Common

src/core/CMakeLists.txt

@@ -41,6 +41,7 @@ add_library(core STATIC
     file_sys/bis_factory.h
     file_sys/card_image.cpp
     file_sys/card_image.h
+    file_sys/common_funcs.h
     file_sys/content_archive.cpp
     file_sys/content_archive.h
     file_sys/control_metadata.cpp
@@ -134,6 +135,8 @@ add_library(core STATIC
     frontend/emu_window.h
     frontend/framebuffer_layout.cpp
     frontend/framebuffer_layout.h
+    frontend/input_interpreter.cpp
+    frontend/input_interpreter.h
     frontend/input.h
     hardware_interrupt_manager.cpp
     hardware_interrupt_manager.h
@@ -148,10 +151,19 @@ add_library(core STATIC
     hle/kernel/code_set.cpp
     hle/kernel/code_set.h
     hle/kernel/errors.h
+    hle/kernel/global_scheduler_context.cpp
+    hle/kernel/global_scheduler_context.h
     hle/kernel/handle_table.cpp
     hle/kernel/handle_table.h
     hle/kernel/hle_ipc.cpp
     hle/kernel/hle_ipc.h
+    hle/kernel/k_affinity_mask.h
+    hle/kernel/k_priority_queue.h
+    hle/kernel/k_scheduler.cpp
+    hle/kernel/k_scheduler.h
+    hle/kernel/k_scheduler_lock.h
+    hle/kernel/k_scoped_lock.h
+    hle/kernel/k_scoped_scheduler_lock_and_sleep.h
     hle/kernel/kernel.cpp
     hle/kernel/kernel.h
     hle/kernel/memory/address_space_info.cpp
@@ -186,8 +198,6 @@ add_library(core STATIC
     hle/kernel/readable_event.h
     hle/kernel/resource_limit.cpp
     hle/kernel/resource_limit.h
-    hle/kernel/scheduler.cpp
-    hle/kernel/scheduler.h
     hle/kernel/server_port.cpp
     hle/kernel/server_port.h
     hle/kernel/server_session.cpp

src/core/arm/dynarmic/arm_dynarmic_32.cpp

@@ -294,6 +294,9 @@ void ARM_Dynarmic_32::InvalidateCacheRange(VAddr addr, std::size_t size) {
 }
 
 void ARM_Dynarmic_32::ClearExclusiveState() {
+    if (!jit) {
+        return;
+    }
     jit->ClearExclusiveState();
 }
 

src/core/arm/dynarmic/arm_dynarmic_64.cpp

@@ -15,8 +15,8 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hardware_properties.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/svc.h"
 #include "core/memory.h"
 #include "core/settings.h"
@@ -330,6 +330,9 @@ void ARM_Dynarmic_64::InvalidateCacheRange(VAddr addr, std::size_t size) {
 }
 
 void ARM_Dynarmic_64::ClearExclusiveState() {
+    if (!jit) {
+        return;
+    }
     jit->ClearExclusiveState();
 }
 

src/core/core.cpp

@@ -27,10 +27,10 @@
 #include "core/file_sys/vfs_real.h"
 #include "core/hardware_interrupt_manager.h"
 #include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/physical_core.h"
 #include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/service/am/applets/applets.h"
 #include "core/hle/service/apm/controller.h"
@@ -507,14 +507,6 @@ std::size_t System::CurrentCoreIndex() const {
     return core;
 }
 
-Kernel::Scheduler& System::CurrentScheduler() {
-    return impl->kernel.CurrentScheduler();
-}
-
-const Kernel::Scheduler& System::CurrentScheduler() const {
-    return impl->kernel.CurrentScheduler();
-}
-
 Kernel::PhysicalCore& System::CurrentPhysicalCore() {
     return impl->kernel.CurrentPhysicalCore();
 }
@@ -523,22 +515,14 @@ const Kernel::PhysicalCore& System::CurrentPhysicalCore() const {
     return impl->kernel.CurrentPhysicalCore();
 }
 
-Kernel::Scheduler& System::Scheduler(std::size_t core_index) {
-    return impl->kernel.Scheduler(core_index);
-}
-
-const Kernel::Scheduler& System::Scheduler(std::size_t core_index) const {
-    return impl->kernel.Scheduler(core_index);
+/// Gets the global scheduler
+Kernel::GlobalSchedulerContext& System::GlobalSchedulerContext() {
+    return impl->kernel.GlobalSchedulerContext();
 }
 
 /// Gets the global scheduler
-Kernel::GlobalScheduler& System::GlobalScheduler() {
-    return impl->kernel.GlobalScheduler();
-}
-
-/// Gets the global scheduler
-const Kernel::GlobalScheduler& System::GlobalScheduler() const {
-    return impl->kernel.GlobalScheduler();
+const Kernel::GlobalSchedulerContext& System::GlobalSchedulerContext() const {
+    return impl->kernel.GlobalSchedulerContext();
 }
 
 Kernel::Process* System::CurrentProcess() {

src/core/core.h

@@ -26,11 +26,11 @@ class VfsFilesystem;
 } // namespace FileSys
 
 namespace Kernel {
-class GlobalScheduler;
+class GlobalSchedulerContext;
 class KernelCore;
 class PhysicalCore;
 class Process;
-class Scheduler;
+class KScheduler;
 } // namespace Kernel
 
 namespace Loader {
@@ -213,12 +213,6 @@ public:
     /// Gets the index of the currently running CPU core
     [[nodiscard]] std::size_t CurrentCoreIndex() const;
 
-    /// Gets the scheduler for the CPU core that is currently running
-    [[nodiscard]] Kernel::Scheduler& CurrentScheduler();
-
-    /// Gets the scheduler for the CPU core that is currently running
-    [[nodiscard]] const Kernel::Scheduler& CurrentScheduler() const;
-
     /// Gets the physical core for the CPU core that is currently running
     [[nodiscard]] Kernel::PhysicalCore& CurrentPhysicalCore();
 
@@ -261,17 +255,11 @@ public:
     /// Gets an immutable reference to the renderer.
     [[nodiscard]] const VideoCore::RendererBase& Renderer() const;
 
-    /// Gets the scheduler for the CPU core with the specified index
-    [[nodiscard]] Kernel::Scheduler& Scheduler(std::size_t core_index);
-
-    /// Gets the scheduler for the CPU core with the specified index
-    [[nodiscard]] const Kernel::Scheduler& Scheduler(std::size_t core_index) const;
+    /// Gets the global scheduler
+    [[nodiscard]] Kernel::GlobalSchedulerContext& GlobalSchedulerContext();
 
     /// Gets the global scheduler
-    [[nodiscard]] Kernel::GlobalScheduler& GlobalScheduler();
-
-    /// Gets the global scheduler
-    [[nodiscard]] const Kernel::GlobalScheduler& GlobalScheduler() const;
+    [[nodiscard]] const Kernel::GlobalSchedulerContext& GlobalSchedulerContext() const;
 
     /// Gets the manager for the guest device memory
     [[nodiscard]] Core::DeviceMemory& DeviceMemory();

src/core/cpu_manager.cpp

@@ -10,9 +10,9 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/cpu_manager.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/physical_core.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "video_core/gpu.h"
 
@@ -109,11 +109,8 @@ void* CpuManager::GetStartFuncParamater() {
 
 void CpuManager::MultiCoreRunGuestThread() {
     auto& kernel = system.Kernel();
-    {
-        auto& sched = kernel.CurrentScheduler();
-        sched.OnThreadStart();
-    }
-    auto* thread = kernel.CurrentScheduler().GetCurrentThread();
+    kernel.CurrentScheduler()->OnThreadStart();
+    auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
     auto& host_context = thread->GetHostContext();
     host_context->SetRewindPoint(GuestRewindFunction, this);
     MultiCoreRunGuestLoop();
@@ -130,8 +127,8 @@ void CpuManager::MultiCoreRunGuestLoop() {
             physical_core = &kernel.CurrentPhysicalCore();
         }
         system.ExitDynarmicProfile();
-        auto& scheduler = kernel.CurrentScheduler();
-        scheduler.TryDoContextSwitch();
+        physical_core->ArmInterface().ClearExclusiveState();
+        kernel.CurrentScheduler()->RescheduleCurrentCore();
     }
 }
 
@@ -140,25 +137,21 @@ void CpuManager::MultiCoreRunIdleThread() {
     while (true) {
         auto& physical_core = kernel.CurrentPhysicalCore();
         physical_core.Idle();
-        auto& scheduler = kernel.CurrentScheduler();
-        scheduler.TryDoContextSwitch();
+        kernel.CurrentScheduler()->RescheduleCurrentCore();
     }
 }
 
 void CpuManager::MultiCoreRunSuspendThread() {
     auto& kernel = system.Kernel();
-    {
-        auto& sched = kernel.CurrentScheduler();
-        sched.OnThreadStart();
-    }
+    kernel.CurrentScheduler()->OnThreadStart();
     while (true) {
         auto core = kernel.GetCurrentHostThreadID();
-        auto& scheduler = kernel.CurrentScheduler();
+        auto& scheduler = *kernel.CurrentScheduler();
         Kernel::Thread* current_thread = scheduler.GetCurrentThread();
         Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[core].host_context);
         ASSERT(scheduler.ContextSwitchPending());
         ASSERT(core == kernel.GetCurrentHostThreadID());
-        scheduler.TryDoContextSwitch();
+        scheduler.RescheduleCurrentCore();
     }
 }
 
@@ -206,11 +199,8 @@ void CpuManager::MultiCorePause(bool paused) {
 
 void CpuManager::SingleCoreRunGuestThread() {
     auto& kernel = system.Kernel();
-    {
-        auto& sched = kernel.CurrentScheduler();
-        sched.OnThreadStart();
-    }
-    auto* thread = kernel.CurrentScheduler().GetCurrentThread();
+    kernel.CurrentScheduler()->OnThreadStart();
+    auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
     auto& host_context = thread->GetHostContext();
     host_context->SetRewindPoint(GuestRewindFunction, this);
     SingleCoreRunGuestLoop();
@@ -218,7 +208,7 @@ void CpuManager::SingleCoreRunGuestThread() {
 
 void CpuManager::SingleCoreRunGuestLoop() {
     auto& kernel = system.Kernel();
-    auto* thread = kernel.CurrentScheduler().GetCurrentThread();
+    auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
     while (true) {
         auto* physical_core = &kernel.CurrentPhysicalCore();
         system.EnterDynarmicProfile();
@@ -230,9 +220,10 @@ void CpuManager::SingleCoreRunGuestLoop() {
         thread->SetPhantomMode(true);
         system.CoreTiming().Advance();
         thread->SetPhantomMode(false);
+        physical_core->ArmInterface().ClearExclusiveState();
         PreemptSingleCore();
         auto& scheduler = kernel.Scheduler(current_core);
-        scheduler.TryDoContextSwitch();
+        scheduler.RescheduleCurrentCore();
     }
 }
 
@@ -244,51 +235,53 @@ void CpuManager::SingleCoreRunIdleThread() {
         system.CoreTiming().AddTicks(1000U);
         idle_count++;
         auto& scheduler = physical_core.Scheduler();
-        scheduler.TryDoContextSwitch();
+        scheduler.RescheduleCurrentCore();
     }
 }
 
 void CpuManager::SingleCoreRunSuspendThread() {
     auto& kernel = system.Kernel();
-    {
-        auto& sched = kernel.CurrentScheduler();
-        sched.OnThreadStart();
-    }
+    kernel.CurrentScheduler()->OnThreadStart();
     while (true) {
         auto core = kernel.GetCurrentHostThreadID();
-        auto& scheduler = kernel.CurrentScheduler();
+        auto& scheduler = *kernel.CurrentScheduler();
         Kernel::Thread* current_thread = scheduler.GetCurrentThread();
         Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[0].host_context);
         ASSERT(scheduler.ContextSwitchPending());
         ASSERT(core == kernel.GetCurrentHostThreadID());
-        scheduler.TryDoContextSwitch();
+        scheduler.RescheduleCurrentCore();
     }
 }
 
 void CpuManager::PreemptSingleCore(bool from_running_enviroment) {
-    std::size_t old_core = current_core;
-    auto& scheduler = system.Kernel().Scheduler(old_core);
-    Kernel::Thread* current_thread = scheduler.GetCurrentThread();
-    if (idle_count >= 4 || from_running_enviroment) {
-        if (!from_running_enviroment) {
-            system.CoreTiming().Idle();
+    {
+        auto& scheduler = system.Kernel().Scheduler(current_core);
+        Kernel::Thread* current_thread = scheduler.GetCurrentThread();
+        if (idle_count >= 4 || from_running_enviroment) {
+            if (!from_running_enviroment) {
+                system.CoreTiming().Idle();
+                idle_count = 0;
+            }
+            current_thread->SetPhantomMode(true);
+            system.CoreTiming().Advance();
+            current_thread->SetPhantomMode(false);
+        }
+        current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES);
+        system.CoreTiming().ResetTicks();
+        scheduler.Unload(scheduler.GetCurrentThread());
+
+        auto& next_scheduler = system.Kernel().Scheduler(current_core);
+        Common::Fiber::YieldTo(current_thread->GetHostContext(), next_scheduler.ControlContext());
+    }
+
+    // May have changed scheduler
+    {
+        auto& scheduler = system.Kernel().Scheduler(current_core);
+        scheduler.Reload(scheduler.GetCurrentThread());
+        auto* currrent_thread2 = scheduler.GetCurrentThread();
+        if (!currrent_thread2->IsIdleThread()) {
             idle_count = 0;
         }
-        current_thread->SetPhantomMode(true);
-        system.CoreTiming().Advance();
-        current_thread->SetPhantomMode(false);
-    }
-    current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES);
-    system.CoreTiming().ResetTicks();
-    scheduler.Unload();
-    auto& next_scheduler = system.Kernel().Scheduler(current_core);
-    Common::Fiber::YieldTo(current_thread->GetHostContext(), next_scheduler.ControlContext());
-    /// May have changed scheduler
-    auto& current_scheduler = system.Kernel().Scheduler(current_core);
-    current_scheduler.Reload();
-    auto* currrent_thread2 = current_scheduler.GetCurrentThread();
-    if (!currrent_thread2->IsIdleThread()) {
-        idle_count = 0;
     }
 }
 
@@ -369,8 +362,7 @@ void CpuManager::RunThread(std::size_t core) {
             return;
         }
 
-        auto& scheduler = system.Kernel().CurrentScheduler();
-        Kernel::Thread* current_thread = scheduler.GetCurrentThread();
+        auto current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
         data.is_running = true;
         Common::Fiber::YieldTo(data.host_context, current_thread->GetHostContext());
         data.is_running = false;

src/core/file_sys/common_funcs.h

@@ -0,0 +1,56 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace FileSys {
+
+constexpr u64 AOC_TITLE_ID_MASK = 0x7FF;
+constexpr u64 AOC_TITLE_ID_OFFSET = 0x1000;
+constexpr u64 BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
+
+/**
+ * Gets the base title ID from a given title ID.
+ *
+ * @param title_id The title ID.
+ * @returns The base title ID.
+ */
+[[nodiscard]] constexpr u64 GetBaseTitleID(u64 title_id) {
+    return title_id & BASE_TITLE_ID_MASK;
+}
+
+/**
+ * Gets the base title ID with a program index offset from a given title ID.
+ *
+ * @param title_id The title ID.
+ * @param program_index The program index.
+ * @returns The base title ID with a program index offset.
+ */
+[[nodiscard]] constexpr u64 GetBaseTitleIDWithProgramIndex(u64 title_id, u64 program_index) {
+    return GetBaseTitleID(title_id) + program_index;
+}
+
+/**
+ * Gets the AOC (Add-On Content) base title ID from a given title ID.
+ *
+ * @param title_id The title ID.
+ * @returns The AOC base title ID.
+ */
+[[nodiscard]] constexpr u64 GetAOCBaseTitleID(u64 title_id) {
+    return GetBaseTitleID(title_id) + AOC_TITLE_ID_OFFSET;
+}
+
+/**
+ * Gets the AOC (Add-On Content) ID from a given AOC title ID.
+ *
+ * @param aoc_title_id The AOC title ID.
+ * @returns The AOC ID.
+ */
+[[nodiscard]] constexpr u64 GetAOCID(u64 aoc_title_id) {
+    return aoc_title_id & AOC_TITLE_ID_MASK;
+}
+
+} // namespace FileSys

src/core/file_sys/patch_manager.cpp

@@ -12,6 +12,7 @@
 #include "common/logging/log.h"
 #include "common/string_util.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/ips_layer.h"
@@ -30,7 +31,6 @@ namespace FileSys {
 namespace {
 
 constexpr u32 SINGLE_BYTE_MODULUS = 0x100;
-constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
 
 constexpr std::array<const char*, 14> EXEFS_FILE_NAMES{
     "main",    "main.npdm", "rtld",    "sdk",     "subsdk0", "subsdk1", "subsdk2",
@@ -532,7 +532,7 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
     dlc_match.reserve(dlc_entries.size());
     std::copy_if(dlc_entries.begin(), dlc_entries.end(), std::back_inserter(dlc_match),
                  [this](const ContentProviderEntry& entry) {
-                     return (entry.title_id & DLC_BASE_TITLE_ID_MASK) == title_id &&
+                     return GetBaseTitleID(entry.title_id) == title_id &&
                             content_provider.GetEntry(entry)->GetStatus() ==
                                 Loader::ResultStatus::Success;
                  });

src/core/file_sys/romfs_factory.cpp

@@ -7,6 +7,7 @@
 #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"
 #include "core/file_sys/patch_manager.h"
@@ -47,6 +48,27 @@ ResultVal<VirtualFile> RomFSFactory::OpenCurrentProcess(u64 current_process_titl
         patch_manager.PatchRomFS(file, ivfc_offset, ContentRecordType::Program, update_raw));
 }
 
+ResultVal<VirtualFile> RomFSFactory::OpenPatchedRomFS(u64 title_id, ContentRecordType type) const {
+    auto nca = content_provider.GetEntry(title_id, type);
+
+    if (nca == nullptr) {
+        // TODO: Find the right error code to use here
+        return RESULT_UNKNOWN;
+    }
+
+    const PatchManager patch_manager{title_id, filesystem_controller, content_provider};
+
+    return MakeResult<VirtualFile>(
+        patch_manager.PatchRomFS(nca->GetRomFS(), nca->GetBaseIVFCOffset(), type));
+}
+
+ResultVal<VirtualFile> RomFSFactory::OpenPatchedRomFSWithProgramIndex(
+    u64 title_id, u8 program_index, ContentRecordType type) const {
+    const auto res_title_id = GetBaseTitleIDWithProgramIndex(title_id, program_index);
+
+    return OpenPatchedRomFS(res_title_id, type);
+}
+
 ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage,
                                           ContentRecordType type) const {
     const std::shared_ptr<NCA> res = GetEntry(title_id, storage, type);

src/core/file_sys/romfs_factory.h

@@ -42,6 +42,10 @@ public:
 
     void SetPackedUpdate(VirtualFile update_raw);
     [[nodiscard]] ResultVal<VirtualFile> OpenCurrentProcess(u64 current_process_title_id) const;
+    [[nodiscard]] ResultVal<VirtualFile> OpenPatchedRomFS(u64 title_id,
+                                                          ContentRecordType type) const;
+    [[nodiscard]] ResultVal<VirtualFile> OpenPatchedRomFSWithProgramIndex(
+        u64 title_id, u8 program_index, ContentRecordType type) const;
     [[nodiscard]] ResultVal<VirtualFile> Open(u64 title_id, StorageId storage,
                                               ContentRecordType type) const;
 

src/core/file_sys/system_archive/data/font_nintendo_extended.cpp

@@ -6,191 +6,384 @@
 
 namespace FileSys::SystemArchive::SharedFontData {
 
-const std::array<unsigned char, 2932> FONT_NINTENDO_EXTENDED{{
-    0x00, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x80, 0x00, 0x03, 0x00, 0x70, 0x44, 0x53, 0x49, 0x47,
-    0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x0b, 0x6c, 0x00, 0x00, 0x00, 0x08, 0x4f, 0x53, 0x2f, 0x32,
-    0x33, 0x86, 0x1d, 0x9b, 0x00, 0x00, 0x01, 0x78, 0x00, 0x00, 0x00, 0x60, 0x63, 0x6d, 0x61, 0x70,
-    0xc2, 0x06, 0x20, 0xde, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x63, 0x76, 0x74, 0x20,
-    0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x04, 0x2c, 0x00, 0x00, 0x00, 0x06, 0x66, 0x70, 0x67, 0x6d,
-    0x06, 0x59, 0x9c, 0x37, 0x00, 0x00, 0x02, 0xa0, 0x00, 0x00, 0x01, 0x73, 0x67, 0x61, 0x73, 0x70,
-    0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x0b, 0x64, 0x00, 0x00, 0x00, 0x08, 0x67, 0x6c, 0x79, 0x66,
-    0x10, 0x31, 0x88, 0x00, 0x00, 0x00, 0x04, 0x34, 0x00, 0x00, 0x04, 0x64, 0x68, 0x65, 0x61, 0x64,
-    0x15, 0x9d, 0xef, 0x91, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x36, 0x68, 0x68, 0x65, 0x61,
-    0x09, 0x60, 0x03, 0x71, 0x00, 0x00, 0x01, 0x34, 0x00, 0x00, 0x00, 0x24, 0x68, 0x6d, 0x74, 0x78,
-    0x0d, 0x2e, 0x03, 0xa7, 0x00, 0x00, 0x01, 0xd8, 0x00, 0x00, 0x00, 0x26, 0x6c, 0x6f, 0x63, 0x61,
-    0x05, 0xc0, 0x04, 0x6c, 0x00, 0x00, 0x08, 0x98, 0x00, 0x00, 0x00, 0x1e, 0x6d, 0x61, 0x78, 0x70,
-    0x02, 0x1c, 0x00, 0x5f, 0x00, 0x00, 0x01, 0x58, 0x00, 0x00, 0x00, 0x20, 0x6e, 0x61, 0x6d, 0x65,
-    0x7c, 0xe0, 0x84, 0x5c, 0x00, 0x00, 0x08, 0xb8, 0x00, 0x00, 0x02, 0x09, 0x70, 0x6f, 0x73, 0x74,
-    0x47, 0x4e, 0x74, 0x19, 0x00, 0x00, 0x0a, 0xc4, 0x00, 0x00, 0x00, 0x9e, 0x70, 0x72, 0x65, 0x70,
-    0x1c, 0xfc, 0x7d, 0x9c, 0x00, 0x00, 0x04, 0x14, 0x00, 0x00, 0x00, 0x16, 0x00, 0x01, 0x00, 0x00,
-    0x00, 0x01, 0x00, 0x00, 0x7c, 0xc7, 0xb1, 0x63, 0x5f, 0x0f, 0x3c, 0xf5, 0x00, 0x1b, 0x03, 0xe8,
-    0x00, 0x00, 0x00, 0x00, 0xd9, 0x44, 0x2f, 0x5d, 0x00, 0x00, 0x00, 0x00, 0xd9, 0x45, 0x7b, 0x69,
-    0x00, 0x00, 0x00, 0x00, 0x03, 0xe6, 0x03, 0xe8, 0x00, 0x00, 0x00, 0x06, 0x00, 0x02, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03, 0x84, 0xff, 0x83, 0x01, 0xf4, 0x03, 0xe8,
-    0x00, 0x00, 0x00, 0x00, 0x03, 0xe6, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x5e,
-    0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00,
-    0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x03, 0x74, 0x01, 0x90, 0x00, 0x05,
-    0x00, 0x04, 0x00, 0xcd, 0x00, 0xcd, 0x00, 0x00, 0x01, 0x1f, 0x00, 0xcd, 0x00, 0xcd, 0x00, 0x00,
-    0x03, 0xc3, 0x00, 0x66, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+const std::array<unsigned char, 6024> FONT_NINTENDO_EXTENDED{{
+    0x00, 0x01, 0x00, 0x00, 0x00, 0x0E, 0x00, 0x80, 0x00, 0x03, 0x00, 0x60, 0x4F, 0x53, 0x2F, 0x32,
+    0x34, 0x00, 0x1E, 0x26, 0x00, 0x00, 0x01, 0x68, 0x00, 0x00, 0x00, 0x60, 0x63, 0x6D, 0x61, 0x70,
+    0xC1, 0xE7, 0xC8, 0xF3, 0x00, 0x00, 0x02, 0x0C, 0x00, 0x00, 0x01, 0x72, 0x63, 0x76, 0x74, 0x20,
+    0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0C, 0x00, 0x00, 0x00, 0x06, 0x66, 0x70, 0x67, 0x6D,
+    0x06, 0x59, 0x9C, 0x37, 0x00, 0x00, 0x03, 0x80, 0x00, 0x00, 0x01, 0x73, 0x67, 0x61, 0x73, 0x70,
+    0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x17, 0x80, 0x00, 0x00, 0x00, 0x08, 0x67, 0x6C, 0x79, 0x66,
+    0x50, 0x0B, 0xEA, 0xFA, 0x00, 0x00, 0x05, 0x50, 0x00, 0x00, 0x0F, 0x04, 0x68, 0x65, 0x61, 0x64,
+    0x18, 0x65, 0x81, 0x09, 0x00, 0x00, 0x00, 0xEC, 0x00, 0x00, 0x00, 0x36, 0x68, 0x68, 0x65, 0x61,
+    0x09, 0x88, 0x03, 0x86, 0x00, 0x00, 0x01, 0x24, 0x00, 0x00, 0x00, 0x24, 0x68, 0x6D, 0x74, 0x78,
+    0x0A, 0xF0, 0x01, 0x94, 0x00, 0x00, 0x01, 0xC8, 0x00, 0x00, 0x00, 0x42, 0x6C, 0x6F, 0x63, 0x61,
+    0x34, 0x80, 0x30, 0x6E, 0x00, 0x00, 0x05, 0x14, 0x00, 0x00, 0x00, 0x3A, 0x6D, 0x61, 0x78, 0x70,
+    0x02, 0x2C, 0x00, 0x72, 0x00, 0x00, 0x01, 0x48, 0x00, 0x00, 0x00, 0x20, 0x6E, 0x61, 0x6D, 0x65,
+    0xDB, 0xC5, 0x42, 0x4D, 0x00, 0x00, 0x14, 0x54, 0x00, 0x00, 0x01, 0xFE, 0x70, 0x6F, 0x73, 0x74,
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+    0x00, 0x02, 0x00, 0x14, 0xFF, 0x98, 0x03, 0xEC, 0x03, 0x70, 0x00, 0x0B, 0x00, 0x17, 0x00, 0x00,
+    0x00, 0x20, 0x1E, 0x01, 0x10, 0x0E, 0x01, 0x20, 0x2E, 0x01, 0x10, 0x36, 0x13, 0x15, 0x33, 0x15,
+    0x33, 0x35, 0x33, 0x35, 0x23, 0x35, 0x23, 0x15, 0x01, 0x7A, 0x01, 0x0C, 0xE2, 0x84, 0x84, 0xE2,
+    0xFE, 0xF4, 0xE2, 0x84, 0x84, 0x7C, 0xC4, 0x50, 0xC4, 0xC5, 0x4E, 0x03, 0x70, 0x84, 0xE2, 0xFE,
+    0xF4, 0xE2, 0x84, 0x84, 0xE2, 0x01, 0x0C, 0xE2, 0xFE, 0xC0, 0x4F, 0xC5, 0xC5, 0x4E, 0xC5, 0xC4,
+    0x00, 0x02, 0x00, 0x14, 0xFF, 0x98, 0x03, 0xEC, 0x03, 0x70, 0x00, 0x0B, 0x00, 0x0F, 0x00, 0x00,
+    0x00, 0x20, 0x1E, 0x01, 0x10, 0x0E, 0x01, 0x20, 0x2E, 0x01, 0x10, 0x36, 0x13, 0x21, 0x35, 0x21,
+    0x01, 0x7A, 0x01, 0x0C, 0xE2, 0x84, 0x84, 0xE2, 0xFE, 0xF4, 0xE2, 0x84, 0x84, 0x7C, 0x01, 0xD8,
+    0xFE, 0x28, 0x03, 0x70, 0x84, 0xE2, 0xFE, 0xF4, 0xE2, 0x84, 0x84, 0xE2, 0x01, 0x0C, 0xE2, 0xFE,
+    0x71, 0x4E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0E, 0x00, 0xAE, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x15, 0x00, 0x2C, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10,
+    0x00, 0x64, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x07, 0x00, 0x85, 0x00, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x10, 0x00, 0xAF, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x04, 0x00, 0x10, 0x00, 0xE2, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x0D,
+    0x01, 0x0F, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x10, 0x01, 0x3F, 0x00, 0x03,
+    0x00, 0x01, 0x04, 0x09, 0x00, 0x00, 0x00, 0x2A, 0x00, 0x00, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09,
+    0x00, 0x01, 0x00, 0x20, 0x00, 0x42, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, 0x00, 0x02, 0x00, 0x0E,
+    0x00, 0x75, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, 0x00, 0x03, 0x00, 0x20, 0x00, 0x8D, 0x00, 0x03,
+    0x00, 0x01, 0x04, 0x09, 0x00, 0x04, 0x00, 0x20, 0x00, 0xC0, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09,
+    0x00, 0x05, 0x00, 0x1A, 0x00, 0xF3, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, 0x00, 0x06, 0x00, 0x20,
+    0x01, 0x1D, 0x00, 0x59, 0x00, 0x75, 0x00, 0x7A, 0x00, 0x75, 0x00, 0x20, 0x00, 0x45, 0x00, 0x6D,
+    0x00, 0x75, 0x00, 0x6C, 0x00, 0x61, 0x00, 0x74, 0x00, 0x6F, 0x00, 0x72, 0x00, 0x20, 0x00, 0x50,
+    0x00, 0x72, 0x00, 0x6F, 0x00, 0x6A, 0x00, 0x65, 0x00, 0x63, 0x00, 0x74, 0x00, 0x00, 0x59, 0x75,
+    0x7A, 0x75, 0x20, 0x45, 0x6D, 0x75, 0x6C, 0x61, 0x74, 0x6F, 0x72, 0x20, 0x50, 0x72, 0x6F, 0x6A,
+    0x65, 0x63, 0x74, 0x00, 0x00, 0x59, 0x00, 0x75, 0x00, 0x7A, 0x00, 0x75, 0x00, 0x4F, 0x00, 0x53,
+    0x00, 0x53, 0x00, 0x45, 0x00, 0x78, 0x00, 0x74, 0x00, 0x65, 0x00, 0x6E, 0x00, 0x73, 0x00, 0x69,
+    0x00, 0x6F, 0x00, 0x6E, 0x00, 0x00, 0x59, 0x75, 0x7A, 0x75, 0x4F, 0x53, 0x53, 0x45, 0x78, 0x74,
+    0x65, 0x6E, 0x73, 0x69, 0x6F, 0x6E, 0x00, 0x00, 0x52, 0x00, 0x65, 0x00, 0x67, 0x00, 0x75, 0x00,
+    0x6C, 0x00, 0x61, 0x00, 0x72, 0x00, 0x00, 0x52, 0x65, 0x67, 0x75, 0x6C, 0x61, 0x72, 0x00, 0x00,
+    0x59, 0x00, 0x75, 0x00, 0x7A, 0x00, 0x75, 0x00, 0x4F, 0x00, 0x53, 0x00, 0x53, 0x00, 0x45, 0x00,
+    0x78, 0x00, 0x74, 0x00, 0x65, 0x00, 0x6E, 0x00, 0x73, 0x00, 0x69, 0x00, 0x6F, 0x00, 0x6E, 0x00,
+    0x00, 0x59, 0x75, 0x7A, 0x75, 0x4F, 0x53, 0x53, 0x45, 0x78, 0x74, 0x65, 0x6E, 0x73, 0x69, 0x6F,
+    0x6E, 0x00, 0x00, 0x59, 0x00, 0x75, 0x00, 0x7A, 0x00, 0x75, 0x00, 0x4F, 0x00, 0x53, 0x00, 0x53,
+    0x00, 0x45, 0x00, 0x78, 0x00, 0x74, 0x00, 0x65, 0x00, 0x6E, 0x00, 0x73, 0x00, 0x69, 0x00, 0x6F,
+    0x00, 0x6E, 0x00, 0x00, 0x59, 0x75, 0x7A, 0x75, 0x4F, 0x53, 0x53, 0x45, 0x78, 0x74, 0x65, 0x6E,
+    0x73, 0x69, 0x6F, 0x6E, 0x00, 0x00, 0x56, 0x00, 0x65, 0x00, 0x72, 0x00, 0x73, 0x00, 0x69, 0x00,
+    0x6F, 0x00, 0x6E, 0x00, 0x20, 0x00, 0x31, 0x00, 0x2E, 0x00, 0x30, 0x00, 0x30, 0x00, 0x30, 0x00,
+    0x00, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6F, 0x6E, 0x20, 0x31, 0x2E, 0x30, 0x30, 0x30, 0x00, 0x00,
+    0x59, 0x00, 0x75, 0x00, 0x7A, 0x00, 0x75, 0x00, 0x4F, 0x00, 0x53, 0x00, 0x53, 0x00, 0x45, 0x00,
+    0x78, 0x00, 0x74, 0x00, 0x65, 0x00, 0x6E, 0x00, 0x73, 0x00, 0x69, 0x00, 0x6F, 0x00, 0x6E, 0x00,
+    0x00, 0x59, 0x75, 0x7A, 0x75, 0x4F, 0x53, 0x53, 0x45, 0x78, 0x74, 0x65, 0x6E, 0x73, 0x69, 0x6F,
+    0x6E, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xB5, 0x00, 0x32,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x01, 0x02, 0x01, 0x03, 0x00, 0x03, 0x01, 0x04,
+    0x01, 0x05, 0x01, 0x06, 0x01, 0x07, 0x01, 0x08, 0x01, 0x09, 0x01, 0x0A, 0x01, 0x0B, 0x01, 0x0C,
+    0x01, 0x0D, 0x01, 0x0E, 0x01, 0x0F, 0x01, 0x10, 0x01, 0x11, 0x01, 0x12, 0x01, 0x13, 0x01, 0x14,
+    0x01, 0x15, 0x01, 0x16, 0x01, 0x17, 0x01, 0x18, 0x01, 0x19, 0x01, 0x1A, 0x01, 0x1B, 0x07, 0x75,
+    0x6E, 0x69, 0x30, 0x30, 0x30, 0x30, 0x07, 0x75, 0x6E, 0x69, 0x30, 0x30, 0x30, 0x44, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x41, 0x30, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x41, 0x31, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x41, 0x32, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x41, 0x33, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x41, 0x34, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x41, 0x35, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x41, 0x36, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x41, 0x37, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x41, 0x38, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x41, 0x39, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x42, 0x33, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x42, 0x34, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x45, 0x30, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x45, 0x31, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x45, 0x32, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x45, 0x33, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x45, 0x34, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x45, 0x35, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x45, 0x36, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x45, 0x37, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x45, 0x38, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x45, 0x39, 0x07, 0x75,
+    0x6E, 0x69, 0x45, 0x30, 0x45, 0x46, 0x07, 0x75, 0x6E, 0x69, 0x45, 0x30, 0x46, 0x30, 0x00, 0x00,
+    0x00, 0x01, 0x00, 0x01, 0xFF, 0xFF, 0x00, 0x0F,
 }};
 
 } // namespace FileSys::SystemArchive::SharedFontData

src/core/file_sys/system_archive/data/font_nintendo_extended.h

@@ -8,6 +8,6 @@
 
 namespace FileSys::SystemArchive::SharedFontData {
 
-extern const std::array<unsigned char, 2932> FONT_NINTENDO_EXTENDED;
+extern const std::array<unsigned char, 6024> FONT_NINTENDO_EXTENDED;
 
 } // namespace FileSys::SystemArchive::SharedFontData

src/core/frontend/applets/general_frontend.cpp

@@ -53,72 +53,4 @@ void DefaultPhotoViewerApplet::ShowAllPhotos(std::function<void()> finished) con
     finished();
 }
 
-ECommerceApplet::~ECommerceApplet() = default;
-
-DefaultECommerceApplet::~DefaultECommerceApplet() = default;
-
-void DefaultECommerceApplet::ShowApplicationInformation(
-    std::function<void()> finished, u64 title_id, std::optional<u128> user_id,
-    std::optional<bool> full_display, std::optional<std::string> extra_parameter) {
-    const auto value = user_id.value_or(u128{});
-    LOG_INFO(Service_AM,
-             "Application requested frontend show application information for EShop, "
-             "title_id={:016X}, user_id={:016X}{:016X}, full_display={}, extra_parameter={}",
-             title_id, value[1], value[0],
-             full_display.has_value() ? fmt::format("{}", *full_display) : "null",
-             extra_parameter.value_or("null"));
-    finished();
-}
-
-void DefaultECommerceApplet::ShowAddOnContentList(std::function<void()> finished, u64 title_id,
-                                                  std::optional<u128> user_id,
-                                                  std::optional<bool> full_display) {
-    const auto value = user_id.value_or(u128{});
-    LOG_INFO(Service_AM,
-             "Application requested frontend show add on content list for EShop, "
-             "title_id={:016X}, user_id={:016X}{:016X}, full_display={}",
-             title_id, value[1], value[0],
-             full_display.has_value() ? fmt::format("{}", *full_display) : "null");
-    finished();
-}
-
-void DefaultECommerceApplet::ShowSubscriptionList(std::function<void()> finished, u64 title_id,
-                                                  std::optional<u128> user_id) {
-    const auto value = user_id.value_or(u128{});
-    LOG_INFO(Service_AM,
-             "Application requested frontend show subscription list for EShop, title_id={:016X}, "
-             "user_id={:016X}{:016X}",
-             title_id, value[1], value[0]);
-    finished();
-}
-
-void DefaultECommerceApplet::ShowConsumableItemList(std::function<void()> finished, u64 title_id,
-                                                    std::optional<u128> user_id) {
-    const auto value = user_id.value_or(u128{});
-    LOG_INFO(
-        Service_AM,
-        "Application requested frontend show consumable item list for EShop, title_id={:016X}, "
-        "user_id={:016X}{:016X}",
-        title_id, value[1], value[0]);
-    finished();
-}
-
-void DefaultECommerceApplet::ShowShopHome(std::function<void()> finished, u128 user_id,
-                                          bool full_display) {
-    LOG_INFO(Service_AM,
-             "Application requested frontend show home menu for EShop, user_id={:016X}{:016X}, "
-             "full_display={}",
-             user_id[1], user_id[0], full_display);
-    finished();
-}
-
-void DefaultECommerceApplet::ShowSettings(std::function<void()> finished, u128 user_id,
-                                          bool full_display) {
-    LOG_INFO(Service_AM,
-             "Application requested frontend show settings menu for EShop, user_id={:016X}{:016X}, "
-             "full_display={}",
-             user_id[1], user_id[0], full_display);
-    finished();
-}
-
 } // namespace Core::Frontend

src/core/frontend/applets/general_frontend.h

@@ -58,55 +58,4 @@ public:
     void ShowAllPhotos(std::function<void()> finished) const override;
 };
 
-class ECommerceApplet {
-public:
-    virtual ~ECommerceApplet();
-
-    // Shows a page with application icons, description, name, and price.
-    virtual void ShowApplicationInformation(std::function<void()> finished, u64 title_id,
-                                            std::optional<u128> user_id = {},
-                                            std::optional<bool> full_display = {},
-                                            std::optional<std::string> extra_parameter = {}) = 0;
-
-    // Shows a page with all of the add on content available for a game, with name, description, and
-    // price.
-    virtual void ShowAddOnContentList(std::function<void()> finished, u64 title_id,
-                                      std::optional<u128> user_id = {},
-                                      std::optional<bool> full_display = {}) = 0;
-
-    // Shows a page with all of the subscriptions (recurring payments) for a game, with name,
-    // description, price, and renewal period.
-    virtual void ShowSubscriptionList(std::function<void()> finished, u64 title_id,
-                                      std::optional<u128> user_id = {}) = 0;
-
-    // Shows a page with a list of any additional game related purchasable items (DLC,
-    // subscriptions, etc) for a particular game, with name, description, type, and price.
-    virtual void ShowConsumableItemList(std::function<void()> finished, u64 title_id,
-                                        std::optional<u128> user_id = {}) = 0;
-
-    // Shows the home page of the shop.
-    virtual void ShowShopHome(std::function<void()> finished, u128 user_id, bool full_display) = 0;
-
-    // Shows the user settings page of the shop.
-    virtual void ShowSettings(std::function<void()> finished, u128 user_id, bool full_display) = 0;
-};
-
-class DefaultECommerceApplet : public ECommerceApplet {
-public:
-    ~DefaultECommerceApplet() override;
-
-    void ShowApplicationInformation(std::function<void()> finished, u64 title_id,
-                                    std::optional<u128> user_id, std::optional<bool> full_display,
-                                    std::optional<std::string> extra_parameter) override;
-    void ShowAddOnContentList(std::function<void()> finished, u64 title_id,
-                              std::optional<u128> user_id,
-                              std::optional<bool> full_display) override;
-    void ShowSubscriptionList(std::function<void()> finished, u64 title_id,
-                              std::optional<u128> user_id) override;
-    void ShowConsumableItemList(std::function<void()> finished, u64 title_id,
-                                std::optional<u128> user_id) override;
-    void ShowShopHome(std::function<void()> finished, u128 user_id, bool full_display) override;
-    void ShowSettings(std::function<void()> finished, u128 user_id, bool full_display) override;
-};
-
 } // namespace Core::Frontend

src/core/frontend/applets/web_browser.cpp

@@ -11,14 +11,22 @@ WebBrowserApplet::~WebBrowserApplet() = default;
 
 DefaultWebBrowserApplet::~DefaultWebBrowserApplet() = default;
 
-void DefaultWebBrowserApplet::OpenPageLocal(std::string_view filename,
-                                            std::function<void()> unpack_romfs_callback,
-                                            std::function<void()> finished_callback) {
-    LOG_INFO(Service_AM,
-             "(STUBBED) called - No suitable web browser implementation found to open website page "
-             "at '{}'!",
-             filename);
-    finished_callback();
+void DefaultWebBrowserApplet::OpenLocalWebPage(
+    std::string_view local_url, std::function<void()> extract_romfs_callback,
+    std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback) const {
+    LOG_WARNING(Service_AM, "(STUBBED) called, backend requested to open local web page at {}",
+                local_url);
+
+    callback(Service::AM::Applets::WebExitReason::WindowClosed, "http://localhost/");
+}
+
+void DefaultWebBrowserApplet::OpenExternalWebPage(
+    std::string_view external_url,
+    std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback) const {
+    LOG_WARNING(Service_AM, "(STUBBED) called, backend requested to open external web page at {}",
+                external_url);
+
+    callback(Service::AM::Applets::WebExitReason::WindowClosed, "http://localhost/");
 }
 
 } // namespace Core::Frontend

src/core/frontend/applets/web_browser.h

@@ -7,22 +7,34 @@
 #include <functional>
 #include <string_view>
 
+#include "core/hle/service/am/applets/web_types.h"
+
 namespace Core::Frontend {
 
 class WebBrowserApplet {
 public:
     virtual ~WebBrowserApplet();
 
-    virtual void OpenPageLocal(std::string_view url, std::function<void()> unpack_romfs_callback,
-                               std::function<void()> finished_callback) = 0;
+    virtual void OpenLocalWebPage(
+        std::string_view local_url, std::function<void()> extract_romfs_callback,
+        std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback) const = 0;
+
+    virtual void OpenExternalWebPage(
+        std::string_view external_url,
+        std::function<void(Service::AM::Applets::WebExitReason, std::string)> callback) const = 0;
 };
 
 class DefaultWebBrowserApplet final : public WebBrowserApplet {
 public:
     ~DefaultWebBrowserApplet() override;
 
-    void OpenPageLocal(std::string_view url, std::function<void()> unpack_romfs_callback,
-                       std::function<void()> finished_callback) override;
+    void OpenLocalWebPage(std::string_view local_url, std::function<void()> extract_romfs_callback,
+                          std::function<void(Service::AM::Applets::WebExitReason, std::string)>
+                              callback) const override;
+
+    void OpenExternalWebPage(std::string_view external_url,
+                             std::function<void(Service::AM::Applets::WebExitReason, std::string)>
+                                 callback) const override;
 };
 
 } // namespace Core::Frontend

src/core/frontend/input_interpreter.cpp

@@ -0,0 +1,45 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/core.h"
+#include "core/frontend/input_interpreter.h"
+#include "core/hle/service/hid/controllers/npad.h"
+#include "core/hle/service/hid/hid.h"
+#include "core/hle/service/sm/sm.h"
+
+InputInterpreter::InputInterpreter(Core::System& system)
+    : npad{system.ServiceManager()
+               .GetService<Service::HID::Hid>("hid")
+               ->GetAppletResource()
+               ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad)} {}
+
+InputInterpreter::~InputInterpreter() = default;
+
+void InputInterpreter::PollInput() {
+    const u32 button_state = npad.GetAndResetPressState();
+
+    previous_index = current_index;
+    current_index = (current_index + 1) % button_states.size();
+
+    button_states[current_index] = button_state;
+}
+
+bool InputInterpreter::IsButtonPressedOnce(HIDButton button) const {
+    const bool current_press =
+        (button_states[current_index] & (1U << static_cast<u8>(button))) != 0;
+    const bool previous_press =
+        (button_states[previous_index] & (1U << static_cast<u8>(button))) != 0;
+
+    return current_press && !previous_press;
+}
+
+bool InputInterpreter::IsButtonHeld(HIDButton button) const {
+    u32 held_buttons{button_states[0]};
+
+    for (std::size_t i = 1; i < button_states.size(); ++i) {
+        held_buttons &= button_states[i];
+    }
+
+    return (held_buttons & (1U << static_cast<u8>(button))) != 0;
+}

src/core/frontend/input_interpreter.h

@@ -0,0 +1,120 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+
+namespace Core {
+class System;
+}
+
+namespace Service::HID {
+class Controller_NPad;
+}
+
+enum class HIDButton : u8 {
+    A,
+    B,
+    X,
+    Y,
+    LStick,
+    RStick,
+    L,
+    R,
+    ZL,
+    ZR,
+    Plus,
+    Minus,
+
+    DLeft,
+    DUp,
+    DRight,
+    DDown,
+
+    LStickLeft,
+    LStickUp,
+    LStickRight,
+    LStickDown,
+
+    RStickLeft,
+    RStickUp,
+    RStickRight,
+    RStickDown,
+
+    LeftSL,
+    LeftSR,
+
+    RightSL,
+    RightSR,
+};
+
+/**
+ * The InputInterpreter class interfaces with HID to retrieve button press states.
+ * Input is intended to be polled every 50ms so that a button is considered to be
+ * held down after 400ms has elapsed since the initial button press and subsequent
+ * repeated presses occur every 50ms.
+ */
+class InputInterpreter {
+public:
+    explicit InputInterpreter(Core::System& system);
+    virtual ~InputInterpreter();
+
+    /// Gets a button state from HID and inserts it into the array of button states.
+    void PollInput();
+
+    /**
+     * The specified button is considered to be pressed once
+     * if it is currently pressed and not pressed previously.
+     *
+     * @param button The button to check.
+     *
+     * @returns True when the button is pressed once.
+     */
+    [[nodiscard]] bool IsButtonPressedOnce(HIDButton button) const;
+
+    /**
+     * Checks whether any of the buttons in the parameter list is pressed once.
+     *
+     * @tparam HIDButton The buttons to check.
+     *
+     * @returns True when at least one of the buttons is pressed once.
+     */
+    template <HIDButton... T>
+    [[nodiscard]] bool IsAnyButtonPressedOnce() {
+        return (IsButtonPressedOnce(T) || ...);
+    }
+
+    /**
+     * The specified button is considered to be held down if it is pressed in all 9 button states.
+     *
+     * @param button The button to check.
+     *
+     * @returns True when the button is held down.
+     */
+    [[nodiscard]] bool IsButtonHeld(HIDButton button) const;
+
+    /**
+     * Checks whether any of the buttons in the parameter list is held down.
+     *
+     * @tparam HIDButton The buttons to check.
+     *
+     * @returns True when at least one of the buttons is held down.
+     */
+    template <HIDButton... T>
+    [[nodiscard]] bool IsAnyButtonHeld() {
+        return (IsButtonHeld(T) || ...);
+    }
+
+private:
+    Service::HID::Controller_NPad& npad;
+
+    /// Stores 9 consecutive button states polled from HID.
+    std::array<u32, 9> button_states{};
+
+    std::size_t previous_index{};
+    std::size_t current_index{};
+};

src/core/hle/kernel/address_arbiter.cpp

@@ -12,8 +12,9 @@
 #include "core/hle/kernel/address_arbiter.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/kernel.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/time_manager.h"
 #include "core/hle/result.h"
@@ -58,7 +59,7 @@ ResultCode AddressArbiter::SignalToAddress(VAddr address, SignalType type, s32 v
 }
 
 ResultCode AddressArbiter::SignalToAddressOnly(VAddr address, s32 num_to_wake) {
-    SchedulerLock lock(system.Kernel());
+    KScopedSchedulerLock lock(system.Kernel());
     const std::vector<std::shared_ptr<Thread>> waiting_threads =
         GetThreadsWaitingOnAddress(address);
     WakeThreads(waiting_threads, num_to_wake);
@@ -67,7 +68,7 @@ ResultCode AddressArbiter::SignalToAddressOnly(VAddr address, s32 num_to_wake) {
 
 ResultCode AddressArbiter::IncrementAndSignalToAddressIfEqual(VAddr address, s32 value,
                                                               s32 num_to_wake) {
-    SchedulerLock lock(system.Kernel());
+    KScopedSchedulerLock lock(system.Kernel());
     auto& memory = system.Memory();
 
     // Ensure that we can write to the address.
@@ -92,7 +93,7 @@ ResultCode AddressArbiter::IncrementAndSignalToAddressIfEqual(VAddr address, s32
 
 ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value,
                                                                          s32 num_to_wake) {
-    SchedulerLock lock(system.Kernel());
+    KScopedSchedulerLock lock(system.Kernel());
     auto& memory = system.Memory();
 
     // Ensure that we can write to the address.
@@ -153,11 +154,11 @@ ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s6
                                                     bool should_decrement) {
     auto& memory = system.Memory();
     auto& kernel = system.Kernel();
-    Thread* current_thread = system.CurrentScheduler().GetCurrentThread();
+    Thread* current_thread = kernel.CurrentScheduler()->GetCurrentThread();
 
     Handle event_handle = InvalidHandle;
     {
-        SchedulerLockAndSleep lock(kernel, event_handle, current_thread, timeout);
+        KScopedSchedulerLockAndSleep lock(kernel, event_handle, current_thread, timeout);
 
         if (current_thread->IsPendingTermination()) {
             lock.CancelSleep();
@@ -210,7 +211,7 @@ ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s6
     }
 
     {
-        SchedulerLock lock(kernel);
+        KScopedSchedulerLock lock(kernel);
         if (current_thread->IsWaitingForArbitration()) {
             RemoveThread(SharedFrom(current_thread));
             current_thread->WaitForArbitration(false);
@@ -223,11 +224,11 @@ ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s6
 ResultCode AddressArbiter::WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout) {
     auto& memory = system.Memory();
     auto& kernel = system.Kernel();
-    Thread* current_thread = system.CurrentScheduler().GetCurrentThread();
+    Thread* current_thread = kernel.CurrentScheduler()->GetCurrentThread();
 
     Handle event_handle = InvalidHandle;
     {
-        SchedulerLockAndSleep lock(kernel, event_handle, current_thread, timeout);
+        KScopedSchedulerLockAndSleep lock(kernel, event_handle, current_thread, timeout);
 
         if (current_thread->IsPendingTermination()) {
             lock.CancelSleep();
@@ -265,7 +266,7 @@ ResultCode AddressArbiter::WaitForAddressIfEqual(VAddr address, s32 value, s64 t
     }
 
     {
-        SchedulerLock lock(kernel);
+        KScopedSchedulerLock lock(kernel);
         if (current_thread->IsWaitingForArbitration()) {
             RemoveThread(SharedFrom(current_thread));
             current_thread->WaitForArbitration(false);

src/core/hle/kernel/global_scheduler_context.cpp

@@ -0,0 +1,52 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <mutex>
+
+#include "common/assert.h"
+#include "core/core.h"
+#include "core/hle/kernel/global_scheduler_context.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/kernel.h"
+
+namespace Kernel {
+
+GlobalSchedulerContext::GlobalSchedulerContext(KernelCore& kernel)
+    : kernel{kernel}, scheduler_lock{kernel} {}
+
+GlobalSchedulerContext::~GlobalSchedulerContext() = default;
+
+void GlobalSchedulerContext::AddThread(std::shared_ptr<Thread> thread) {
+    std::scoped_lock lock{global_list_guard};
+    thread_list.push_back(std::move(thread));
+}
+
+void GlobalSchedulerContext::RemoveThread(std::shared_ptr<Thread> thread) {
+    std::scoped_lock lock{global_list_guard};
+    thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
+                      thread_list.end());
+}
+
+void GlobalSchedulerContext::PreemptThreads() {
+    // The priority levels at which the global scheduler preempts threads every 10 ms. They are
+    // ordered from Core 0 to Core 3.
+    static constexpr std::array<u32, Core::Hardware::NUM_CPU_CORES> preemption_priorities{
+        59,
+        59,
+        59,
+        63,
+    };
+
+    ASSERT(IsLocked());
+    for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
+        const u32 priority = preemption_priorities[core_id];
+        kernel.Scheduler(core_id).RotateScheduledQueue(core_id, priority);
+    }
+}
+
+bool GlobalSchedulerContext::IsLocked() const {
+    return scheduler_lock.IsLockedByCurrentThread();
+}
+
+} // namespace Kernel

src/core/hle/kernel/global_scheduler_context.h

@@ -0,0 +1,81 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <atomic>
+#include <vector>
+
+#include "common/common_types.h"
+#include "common/spin_lock.h"
+#include "core/hardware_properties.h"
+#include "core/hle/kernel/k_priority_queue.h"
+#include "core/hle/kernel/k_scheduler_lock.h"
+#include "core/hle/kernel/thread.h"
+
+namespace Kernel {
+
+class KernelCore;
+class SchedulerLock;
+
+using KSchedulerPriorityQueue =
+    KPriorityQueue<Thread, Core::Hardware::NUM_CPU_CORES, THREADPRIO_LOWEST, THREADPRIO_HIGHEST>;
+constexpr s32 HighestCoreMigrationAllowedPriority = 2;
+
+class GlobalSchedulerContext final {
+    friend class KScheduler;
+
+public:
+    using LockType = KAbstractSchedulerLock<KScheduler>;
+
+    explicit GlobalSchedulerContext(KernelCore& kernel);
+    ~GlobalSchedulerContext();
+
+    /// Adds a new thread to the scheduler
+    void AddThread(std::shared_ptr<Thread> thread);
+
+    /// Removes a thread from the scheduler
+    void RemoveThread(std::shared_ptr<Thread> thread);
+
+    /// Returns a list of all threads managed by the scheduler
+    [[nodiscard]] const std::vector<std::shared_ptr<Thread>>& GetThreadList() const {
+        return thread_list;
+    }
+
+    /**
+     * Rotates the scheduling queues of threads at a preemption priority and then does
+     * some core rebalancing. Preemption priorities can be found in the array
+     * 'preemption_priorities'.
+     *
+     * @note This operation happens every 10ms.
+     */
+    void PreemptThreads();
+
+    /// Returns true if the global scheduler lock is acquired
+    bool IsLocked() const;
+
+    [[nodiscard]] LockType& SchedulerLock() {
+        return scheduler_lock;
+    }
+
+    [[nodiscard]] const LockType& SchedulerLock() const {
+        return scheduler_lock;
+    }
+
+private:
+    friend class KScopedSchedulerLock;
+    friend class KScopedSchedulerLockAndSleep;
+
+    KernelCore& kernel;
+
+    std::atomic_bool scheduler_update_needed{};
+    KSchedulerPriorityQueue priority_queue;
+    LockType scheduler_lock;
+
+    /// Lists all thread ids that aren't deleted/etc.
+    std::vector<std::shared_ptr<Thread>> thread_list;
+    Common::SpinLock global_list_guard{};
+};
+
+} // namespace Kernel

src/core/hle/kernel/handle_table.cpp

@@ -8,9 +8,9 @@
 #include "core/core.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 
 namespace Kernel {
@@ -105,7 +105,7 @@ bool HandleTable::IsValid(Handle handle) const {
 
 std::shared_ptr<Object> HandleTable::GetGeneric(Handle handle) const {
     if (handle == CurrentThread) {
-        return SharedFrom(kernel.CurrentScheduler().GetCurrentThread());
+        return SharedFrom(kernel.CurrentScheduler()->GetCurrentThread());
     } else if (handle == CurrentProcess) {
         return SharedFrom(kernel.CurrentProcess());
     }

src/core/hle/kernel/hle_ipc.cpp

@@ -17,11 +17,12 @@
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/readable_event.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/server_session.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/time_manager.h"
@@ -56,9 +57,9 @@ std::shared_ptr<WritableEvent> HLERequestContext::SleepClientThread(
         writable_event = pair.writable;
     }
 
+    Handle event_handle = InvalidHandle;
     {
-        Handle event_handle = InvalidHandle;
-        SchedulerLockAndSleep lock(kernel, event_handle, thread.get(), timeout);
+        KScopedSchedulerLockAndSleep lock(kernel, event_handle, thread.get(), timeout);
         thread->SetHLECallback(
             [context = *this, callback](std::shared_ptr<Thread> thread) mutable -> bool {
                 ThreadWakeupReason reason = thread->GetSignalingResult() == RESULT_TIMEOUT
@@ -74,9 +75,8 @@ std::shared_ptr<WritableEvent> HLERequestContext::SleepClientThread(
         thread->SetStatus(ThreadStatus::WaitHLEEvent);
         thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT);
         readable_event->AddWaitingThread(thread);
-        lock.Release();
-        thread->SetHLETimeEvent(event_handle);
     }
+    thread->SetHLETimeEvent(event_handle);
 
     is_thread_waiting = true;
 

src/core/hle/kernel/k_affinity_mask.h

@@ -0,0 +1,58 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+// This file references various implementation details from Atmosphere, an open-source firmware for
+// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
+
+#pragma once
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "core/hardware_properties.h"
+
+namespace Kernel {
+
+class KAffinityMask {
+public:
+    constexpr KAffinityMask() = default;
+
+    [[nodiscard]] constexpr u64 GetAffinityMask() const {
+        return this->mask;
+    }
+
+    constexpr void SetAffinityMask(u64 new_mask) {
+        ASSERT((new_mask & ~AllowedAffinityMask) == 0);
+        this->mask = new_mask;
+    }
+
+    [[nodiscard]] constexpr bool GetAffinity(s32 core) const {
+        return this->mask & GetCoreBit(core);
+    }
+
+    constexpr void SetAffinity(s32 core, bool set) {
+        ASSERT(0 <= core && core < static_cast<s32>(Core::Hardware::NUM_CPU_CORES));
+
+        if (set) {
+            this->mask |= GetCoreBit(core);
+        } else {
+            this->mask &= ~GetCoreBit(core);
+        }
+    }
+
+    constexpr void SetAll() {
+        this->mask = AllowedAffinityMask;
+    }
+
+private:
+    [[nodiscard]] static constexpr u64 GetCoreBit(s32 core) {
+        ASSERT(0 <= core && core < static_cast<s32>(Core::Hardware::NUM_CPU_CORES));
+        return (1ULL << core);
+    }
+
+    static constexpr u64 AllowedAffinityMask = (1ULL << Core::Hardware::NUM_CPU_CORES) - 1;
+
+    u64 mask{};
+};
+
+} // namespace Kernel

src/core/hle/kernel/k_priority_queue.h

@@ -0,0 +1,451 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+// This file references various implementation details from Atmosphere, an open-source firmware for
+// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
+
+#pragma once
+
+#include <array>
+#include <concepts>
+
+#include "common/assert.h"
+#include "common/bit_set.h"
+#include "common/bit_util.h"
+#include "common/common_types.h"
+#include "common/concepts.h"
+
+namespace Kernel {
+
+class Thread;
+
+template <typename T>
+concept KPriorityQueueAffinityMask = !std::is_reference_v<T> && requires(T & t) {
+    { t.GetAffinityMask() }
+    ->Common::ConvertibleTo<u64>;
+    {t.SetAffinityMask(std::declval<u64>())};
+
+    { t.GetAffinity(std::declval<int32_t>()) }
+    ->std::same_as<bool>;
+    {t.SetAffinity(std::declval<int32_t>(), std::declval<bool>())};
+    {t.SetAll()};
+};
+
+template <typename T>
+concept KPriorityQueueMember = !std::is_reference_v<T> && requires(T & t) {
+    {typename T::QueueEntry()};
+    {(typename T::QueueEntry()).Initialize()};
+    {(typename T::QueueEntry()).SetPrev(std::addressof(t))};
+    {(typename T::QueueEntry()).SetNext(std::addressof(t))};
+    { (typename T::QueueEntry()).GetNext() }
+    ->std::same_as<T*>;
+    { (typename T::QueueEntry()).GetPrev() }
+    ->std::same_as<T*>;
+    { t.GetPriorityQueueEntry(std::declval<s32>()) }
+    ->std::same_as<typename T::QueueEntry&>;
+
+    {t.GetAffinityMask()};
+    { typename std::remove_cvref<decltype(t.GetAffinityMask())>::type() }
+    ->KPriorityQueueAffinityMask;
+
+    { t.GetActiveCore() }
+    ->Common::ConvertibleTo<s32>;
+    { t.GetPriority() }
+    ->Common::ConvertibleTo<s32>;
+};
+
+template <typename Member, size_t _NumCores, int LowestPriority, int HighestPriority>
+requires KPriorityQueueMember<Member> class KPriorityQueue {
+public:
+    using AffinityMaskType = typename std::remove_cv_t<
+        typename std::remove_reference<decltype(std::declval<Member>().GetAffinityMask())>::type>;
+
+    static_assert(LowestPriority >= 0);
+    static_assert(HighestPriority >= 0);
+    static_assert(LowestPriority >= HighestPriority);
+    static constexpr size_t NumPriority = LowestPriority - HighestPriority + 1;
+    static constexpr size_t NumCores = _NumCores;
+
+    static constexpr bool IsValidCore(s32 core) {
+        return 0 <= core && core < static_cast<s32>(NumCores);
+    }
+
+    static constexpr bool IsValidPriority(s32 priority) {
+        return HighestPriority <= priority && priority <= LowestPriority + 1;
+    }
+
+private:
+    using Entry = typename Member::QueueEntry;
+
+public:
+    class KPerCoreQueue {
+    private:
+        std::array<Entry, NumCores> root{};
+
+    public:
+        constexpr KPerCoreQueue() {
+            for (auto& per_core_root : root) {
+                per_core_root.Initialize();
+            }
+        }
+
+        constexpr bool PushBack(s32 core, Member* member) {
+            // Get the entry associated with the member.
+            Entry& member_entry = member->GetPriorityQueueEntry(core);
+
+            // Get the entry associated with the end of the queue.
+            Member* tail = this->root[core].GetPrev();
+            Entry& tail_entry =
+                (tail != nullptr) ? tail->GetPriorityQueueEntry(core) : this->root[core];
+
+            // Link the entries.
+            member_entry.SetPrev(tail);
+            member_entry.SetNext(nullptr);
+            tail_entry.SetNext(member);
+            this->root[core].SetPrev(member);
+
+            return tail == nullptr;
+        }
+
+        constexpr bool PushFront(s32 core, Member* member) {
+            // Get the entry associated with the member.
+            Entry& member_entry = member->GetPriorityQueueEntry(core);
+
+            // Get the entry associated with the front of the queue.
+            Member* head = this->root[core].GetNext();
+            Entry& head_entry =
+                (head != nullptr) ? head->GetPriorityQueueEntry(core) : this->root[core];
+
+            // Link the entries.
+            member_entry.SetPrev(nullptr);
+            member_entry.SetNext(head);
+            head_entry.SetPrev(member);
+            this->root[core].SetNext(member);
+
+            return (head == nullptr);
+        }
+
+        constexpr bool Remove(s32 core, Member* member) {
+            // Get the entry associated with the member.
+            Entry& member_entry = member->GetPriorityQueueEntry(core);
+
+            // Get the entries associated with next and prev.
+            Member* prev = member_entry.GetPrev();
+            Member* next = member_entry.GetNext();
+            Entry& prev_entry =
+                (prev != nullptr) ? prev->GetPriorityQueueEntry(core) : this->root[core];
+            Entry& next_entry =
+                (next != nullptr) ? next->GetPriorityQueueEntry(core) : this->root[core];
+
+            // Unlink.
+            prev_entry.SetNext(next);
+            next_entry.SetPrev(prev);
+
+            return (this->GetFront(core) == nullptr);
+        }
+
+        constexpr Member* GetFront(s32 core) const {
+            return this->root[core].GetNext();
+        }
+    };
+
+    class KPriorityQueueImpl {
+    public:
+        constexpr KPriorityQueueImpl() = default;
+
+        constexpr void PushBack(s32 priority, s32 core, Member* member) {
+            ASSERT(IsValidCore(core));
+            ASSERT(IsValidPriority(priority));
+
+            if (priority > LowestPriority) {
+                return;
+            }
+
+            if (this->queues[priority].PushBack(core, member)) {
+                this->available_priorities[core].SetBit(priority);
+            }
+        }
+
+        constexpr void PushFront(s32 priority, s32 core, Member* member) {
+            ASSERT(IsValidCore(core));
+            ASSERT(IsValidPriority(priority));
+
+            if (priority > LowestPriority) {
+                return;
+            }
+
+            if (this->queues[priority].PushFront(core, member)) {
+                this->available_priorities[core].SetBit(priority);
+            }
+        }
+
+        constexpr void Remove(s32 priority, s32 core, Member* member) {
+            ASSERT(IsValidCore(core));
+            ASSERT(IsValidPriority(priority));
+
+            if (priority > LowestPriority) {
+                return;
+            }
+
+            if (this->queues[priority].Remove(core, member)) {
+                this->available_priorities[core].ClearBit(priority);
+            }
+        }
+
+        constexpr Member* GetFront(s32 core) const {
+            ASSERT(IsValidCore(core));
+
+            const s32 priority =
+                static_cast<s32>(this->available_priorities[core].CountLeadingZero());
+            if (priority <= LowestPriority) {
+                return this->queues[priority].GetFront(core);
+            } else {
+                return nullptr;
+            }
+        }
+
+        constexpr Member* GetFront(s32 priority, s32 core) const {
+            ASSERT(IsValidCore(core));
+            ASSERT(IsValidPriority(priority));
+
+            if (priority <= LowestPriority) {
+                return this->queues[priority].GetFront(core);
+            } else {
+                return nullptr;
+            }
+        }
+
+        constexpr Member* GetNext(s32 core, const Member* member) const {
+            ASSERT(IsValidCore(core));
+
+            Member* next = member->GetPriorityQueueEntry(core).GetNext();
+            if (next == nullptr) {
+                const s32 priority = static_cast<s32>(
+                    this->available_priorities[core].GetNextSet(member->GetPriority()));
+                if (priority <= LowestPriority) {
+                    next = this->queues[priority].GetFront(core);
+                }
+            }
+            return next;
+        }
+
+        constexpr void MoveToFront(s32 priority, s32 core, Member* member) {
+            ASSERT(IsValidCore(core));
+            ASSERT(IsValidPriority(priority));
+
+            if (priority <= LowestPriority) {
+                this->queues[priority].Remove(core, member);
+                this->queues[priority].PushFront(core, member);
+            }
+        }
+
+        constexpr Member* MoveToBack(s32 priority, s32 core, Member* member) {
+            ASSERT(IsValidCore(core));
+            ASSERT(IsValidPriority(priority));
+
+            if (priority <= LowestPriority) {
+                this->queues[priority].Remove(core, member);
+                this->queues[priority].PushBack(core, member);
+                return this->queues[priority].GetFront(core);
+            } else {
+                return nullptr;
+            }
+        }
+
+    private:
+        std::array<KPerCoreQueue, NumPriority> queues{};
+        std::array<Common::BitSet64<NumPriority>, NumCores> available_priorities{};
+    };
+
+private:
+    KPriorityQueueImpl scheduled_queue;
+    KPriorityQueueImpl suggested_queue;
+
+private:
+    constexpr void ClearAffinityBit(u64& affinity, s32 core) {
+        affinity &= ~(u64(1) << core);
+    }
+
+    constexpr s32 GetNextCore(u64& affinity) {
+        const s32 core = Common::CountTrailingZeroes64(affinity);
+        ClearAffinityBit(affinity, core);
+        return core;
+    }
+
+    constexpr void PushBack(s32 priority, Member* member) {
+        ASSERT(IsValidPriority(priority));
+
+        // Push onto the scheduled queue for its core, if we can.
+        u64 affinity = member->GetAffinityMask().GetAffinityMask();
+        if (const s32 core = member->GetActiveCore(); core >= 0) {
+            this->scheduled_queue.PushBack(priority, core, member);
+            ClearAffinityBit(affinity, core);
+        }
+
+        // And suggest the thread for all other cores.
+        while (affinity) {
+            this->suggested_queue.PushBack(priority, GetNextCore(affinity), member);
+        }
+    }
+
+    constexpr void PushFront(s32 priority, Member* member) {
+        ASSERT(IsValidPriority(priority));
+
+        // Push onto the scheduled queue for its core, if we can.
+        u64 affinity = member->GetAffinityMask().GetAffinityMask();
+        if (const s32 core = member->GetActiveCore(); core >= 0) {
+            this->scheduled_queue.PushFront(priority, core, member);
+            ClearAffinityBit(affinity, core);
+        }
+
+        // And suggest the thread for all other cores.
+        // Note: Nintendo pushes onto the back of the suggested queue, not the front.
+        while (affinity) {
+            this->suggested_queue.PushBack(priority, GetNextCore(affinity), member);
+        }
+    }
+
+    constexpr void Remove(s32 priority, Member* member) {
+        ASSERT(IsValidPriority(priority));
+
+        // Remove from the scheduled queue for its core.
+        u64 affinity = member->GetAffinityMask().GetAffinityMask();
+        if (const s32 core = member->GetActiveCore(); core >= 0) {
+            this->scheduled_queue.Remove(priority, core, member);
+            ClearAffinityBit(affinity, core);
+        }
+
+        // Remove from the suggested queue for all other cores.
+        while (affinity) {
+            this->suggested_queue.Remove(priority, GetNextCore(affinity), member);
+        }
+    }
+
+public:
+    constexpr KPriorityQueue() = default;
+
+    // Getters.
+    constexpr Member* GetScheduledFront(s32 core) const {
+        return this->scheduled_queue.GetFront(core);
+    }
+
+    constexpr Member* GetScheduledFront(s32 core, s32 priority) const {
+        return this->scheduled_queue.GetFront(priority, core);
+    }
+
+    constexpr Member* GetSuggestedFront(s32 core) const {
+        return this->suggested_queue.GetFront(core);
+    }
+
+    constexpr Member* GetSuggestedFront(s32 core, s32 priority) const {
+        return this->suggested_queue.GetFront(priority, core);
+    }
+
+    constexpr Member* GetScheduledNext(s32 core, const Member* member) const {
+        return this->scheduled_queue.GetNext(core, member);
+    }
+
+    constexpr Member* GetSuggestedNext(s32 core, const Member* member) const {
+        return this->suggested_queue.GetNext(core, member);
+    }
+
+    constexpr Member* GetSamePriorityNext(s32 core, const Member* member) const {
+        return member->GetPriorityQueueEntry(core).GetNext();
+    }
+
+    // Mutators.
+    constexpr void PushBack(Member* member) {
+        this->PushBack(member->GetPriority(), member);
+    }
+
+    constexpr void Remove(Member* member) {
+        this->Remove(member->GetPriority(), member);
+    }
+
+    constexpr void MoveToScheduledFront(Member* member) {
+        this->scheduled_queue.MoveToFront(member->GetPriority(), member->GetActiveCore(), member);
+    }
+
+    constexpr Thread* MoveToScheduledBack(Member* member) {
+        return this->scheduled_queue.MoveToBack(member->GetPriority(), member->GetActiveCore(),
+                                                member);
+    }
+
+    // First class fancy operations.
+    constexpr void ChangePriority(s32 prev_priority, bool is_running, Member* member) {
+        ASSERT(IsValidPriority(prev_priority));
+
+        // Remove the member from the queues.
+        const s32 new_priority = member->GetPriority();
+        this->Remove(prev_priority, member);
+
+        // And enqueue. If the member is running, we want to keep it running.
+        if (is_running) {
+            this->PushFront(new_priority, member);
+        } else {
+            this->PushBack(new_priority, member);
+        }
+    }
+
+    constexpr void ChangeAffinityMask(s32 prev_core, const AffinityMaskType& prev_affinity,
+                                      Member* member) {
+        // Get the new information.
+        const s32 priority = member->GetPriority();
+        const AffinityMaskType& new_affinity = member->GetAffinityMask();
+        const s32 new_core = member->GetActiveCore();
+
+        // Remove the member from all queues it was in before.
+        for (s32 core = 0; core < static_cast<s32>(NumCores); core++) {
+            if (prev_affinity.GetAffinity(core)) {
+                if (core == prev_core) {
+                    this->scheduled_queue.Remove(priority, core, member);
+                } else {
+                    this->suggested_queue.Remove(priority, core, member);
+                }
+            }
+        }
+
+        // And add the member to all queues it should be in now.
+        for (s32 core = 0; core < static_cast<s32>(NumCores); core++) {
+            if (new_affinity.GetAffinity(core)) {
+                if (core == new_core) {
+                    this->scheduled_queue.PushBack(priority, core, member);
+                } else {
+                    this->suggested_queue.PushBack(priority, core, member);
+                }
+            }
+        }
+    }
+
+    constexpr void ChangeCore(s32 prev_core, Member* member, bool to_front = false) {
+        // Get the new information.
+        const s32 new_core = member->GetActiveCore();
+        const s32 priority = member->GetPriority();
+
+        // We don't need to do anything if the core is the same.
+        if (prev_core != new_core) {
+            // Remove from the scheduled queue for the previous core.
+            if (prev_core >= 0) {
+                this->scheduled_queue.Remove(priority, prev_core, member);
+            }
+
+            // Remove from the suggested queue and add to the scheduled queue for the new core.
+            if (new_core >= 0) {
+                this->suggested_queue.Remove(priority, new_core, member);
+                if (to_front) {
+                    this->scheduled_queue.PushFront(priority, new_core, member);
+                } else {
+                    this->scheduled_queue.PushBack(priority, new_core, member);
+                }
+            }
+
+            // Add to the suggested queue for the previous core.
+            if (prev_core >= 0) {
+                this->suggested_queue.PushBack(priority, prev_core, member);
+            }
+        }
+    }
+};
+
+} // namespace Kernel

src/core/hle/kernel/k_scheduler.cpp

@@ -0,0 +1,784 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+// This file references various implementation details from Atmosphere, an open-source firmware for
+// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
+
+#include "common/assert.h"
+#include "common/bit_util.h"
+#include "common/fiber.h"
+#include "common/logging/log.h"
+#include "core/arm/arm_interface.h"
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/cpu_manager.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/physical_core.h"
+#include "core/hle/kernel/process.h"
+#include "core/hle/kernel/thread.h"
+#include "core/hle/kernel/time_manager.h"
+
+namespace Kernel {
+
+static void IncrementScheduledCount(Kernel::Thread* thread) {
+    if (auto process = thread->GetOwnerProcess(); process) {
+        process->IncrementScheduledCount();
+    }
+}
+
+void KScheduler::RescheduleCores(KernelCore& kernel, u64 cores_pending_reschedule,
+                                 Core::EmuThreadHandle global_thread) {
+    u32 current_core = global_thread.host_handle;
+    bool must_context_switch = global_thread.guest_handle != InvalidHandle &&
+                               (current_core < Core::Hardware::NUM_CPU_CORES);
+
+    while (cores_pending_reschedule != 0) {
+        u32 core = Common::CountTrailingZeroes64(cores_pending_reschedule);
+        ASSERT(core < Core::Hardware::NUM_CPU_CORES);
+        if (!must_context_switch || core != current_core) {
+            auto& phys_core = kernel.PhysicalCore(core);
+            phys_core.Interrupt();
+        } else {
+            must_context_switch = true;
+        }
+        cores_pending_reschedule &= ~(1ULL << core);
+    }
+    if (must_context_switch) {
+        auto core_scheduler = kernel.CurrentScheduler();
+        kernel.ExitSVCProfile();
+        core_scheduler->RescheduleCurrentCore();
+        kernel.EnterSVCProfile();
+    }
+}
+
+u64 KScheduler::UpdateHighestPriorityThread(Thread* highest_thread) {
+    std::scoped_lock lock{guard};
+    if (Thread* prev_highest_thread = this->state.highest_priority_thread;
+        prev_highest_thread != highest_thread) {
+        if (prev_highest_thread != nullptr) {
+            IncrementScheduledCount(prev_highest_thread);
+            prev_highest_thread->SetLastScheduledTick(system.CoreTiming().GetCPUTicks());
+        }
+        if (this->state.should_count_idle) {
+            if (highest_thread != nullptr) {
+                // if (Process* process = highest_thread->GetOwnerProcess(); process != nullptr) {
+                //    process->SetRunningThread(this->core_id, highest_thread,
+                //                              this->state.idle_count);
+                //}
+            } else {
+                this->state.idle_count++;
+            }
+        }
+
+        this->state.highest_priority_thread = highest_thread;
+        this->state.needs_scheduling = true;
+        return (1ULL << this->core_id);
+    } else {
+        return 0;
+    }
+}
+
+u64 KScheduler::UpdateHighestPriorityThreadsImpl(KernelCore& kernel) {
+    ASSERT(kernel.GlobalSchedulerContext().IsLocked());
+
+    // Clear that we need to update.
+    ClearSchedulerUpdateNeeded(kernel);
+
+    u64 cores_needing_scheduling = 0, idle_cores = 0;
+    Thread* top_threads[Core::Hardware::NUM_CPU_CORES];
+    auto& priority_queue = GetPriorityQueue(kernel);
+
+    /// We want to go over all cores, finding the highest priority thread and determining if
+    /// scheduling is needed for that core.
+    for (size_t core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
+        Thread* top_thread = priority_queue.GetScheduledFront(static_cast<s32>(core_id));
+        if (top_thread != nullptr) {
+            // If the thread has no waiters, we need to check if the process has a thread pinned.
+            // TODO(bunnei): Implement thread pinning
+        } else {
+            idle_cores |= (1ULL << core_id);
+        }
+
+        top_threads[core_id] = top_thread;
+        cores_needing_scheduling |=
+            kernel.Scheduler(core_id).UpdateHighestPriorityThread(top_threads[core_id]);
+    }
+
+    // Idle cores are bad. We're going to try to migrate threads to each idle core in turn.
+    while (idle_cores != 0) {
+        u32 core_id = Common::CountTrailingZeroes64(idle_cores);
+        if (Thread* suggested = priority_queue.GetSuggestedFront(core_id); suggested != nullptr) {
+            s32 migration_candidates[Core::Hardware::NUM_CPU_CORES];
+            size_t num_candidates = 0;
+
+            // While we have a suggested thread, try to migrate it!
+            while (suggested != nullptr) {
+                // Check if the suggested thread is the top thread on its core.
+                const s32 suggested_core = suggested->GetActiveCore();
+                if (Thread* top_thread =
+                        (suggested_core >= 0) ? top_threads[suggested_core] : nullptr;
+                    top_thread != suggested) {
+                    // Make sure we're not dealing with threads too high priority for migration.
+                    if (top_thread != nullptr &&
+                        top_thread->GetPriority() < HighestCoreMigrationAllowedPriority) {
+                        break;
+                    }
+
+                    // The suggested thread isn't bound to its core, so we can migrate it!
+                    suggested->SetActiveCore(core_id);
+                    priority_queue.ChangeCore(suggested_core, suggested);
+
+                    top_threads[core_id] = suggested;
+                    cores_needing_scheduling |=
+                        kernel.Scheduler(core_id).UpdateHighestPriorityThread(top_threads[core_id]);
+                    break;
+                }
+
+                // Note this core as a candidate for migration.
+                ASSERT(num_candidates < Core::Hardware::NUM_CPU_CORES);
+                migration_candidates[num_candidates++] = suggested_core;
+                suggested = priority_queue.GetSuggestedNext(core_id, suggested);
+            }
+
+            // If suggested is nullptr, we failed to migrate a specific thread. So let's try all our
+            // candidate cores' top threads.
+            if (suggested == nullptr) {
+                for (size_t i = 0; i < num_candidates; i++) {
+                    // Check if there's some other thread that can run on the candidate core.
+                    const s32 candidate_core = migration_candidates[i];
+                    suggested = top_threads[candidate_core];
+                    if (Thread* next_on_candidate_core =
+                            priority_queue.GetScheduledNext(candidate_core, suggested);
+                        next_on_candidate_core != nullptr) {
+                        // The candidate core can run some other thread! We'll migrate its current
+                        // top thread to us.
+                        top_threads[candidate_core] = next_on_candidate_core;
+                        cores_needing_scheduling |=
+                            kernel.Scheduler(candidate_core)
+                                .UpdateHighestPriorityThread(top_threads[candidate_core]);
+
+                        // Perform the migration.
+                        suggested->SetActiveCore(core_id);
+                        priority_queue.ChangeCore(candidate_core, suggested);
+
+                        top_threads[core_id] = suggested;
+                        cores_needing_scheduling |=
+                            kernel.Scheduler(core_id).UpdateHighestPriorityThread(
+                                top_threads[core_id]);
+                        break;
+                    }
+                }
+            }
+        }
+
+        idle_cores &= ~(1ULL << core_id);
+    }
+
+    return cores_needing_scheduling;
+}
+
+void KScheduler::OnThreadStateChanged(KernelCore& kernel, Thread* thread, u32 old_state) {
+    ASSERT(kernel.GlobalSchedulerContext().IsLocked());
+
+    // Check if the state has changed, because if it hasn't there's nothing to do.
+    const auto cur_state = thread->scheduling_state;
+    if (cur_state == old_state) {
+        return;
+    }
+
+    // Update the priority queues.
+    if (old_state == static_cast<u32>(ThreadSchedStatus::Runnable)) {
+        // If we were previously runnable, then we're not runnable now, and we should remove.
+        GetPriorityQueue(kernel).Remove(thread);
+        IncrementScheduledCount(thread);
+        SetSchedulerUpdateNeeded(kernel);
+    } else if (cur_state == static_cast<u32>(ThreadSchedStatus::Runnable)) {
+        // If we're now runnable, then we weren't previously, and we should add.
+        GetPriorityQueue(kernel).PushBack(thread);
+        IncrementScheduledCount(thread);
+        SetSchedulerUpdateNeeded(kernel);
+    }
+}
+
+void KScheduler::OnThreadPriorityChanged(KernelCore& kernel, Thread* thread, Thread* current_thread,
+                                         u32 old_priority) {
+
+    ASSERT(kernel.GlobalSchedulerContext().IsLocked());
+
+    // If the thread is runnable, we want to change its priority in the queue.
+    if (thread->scheduling_state == static_cast<u32>(ThreadSchedStatus::Runnable)) {
+        GetPriorityQueue(kernel).ChangePriority(
+            old_priority, thread == kernel.CurrentScheduler()->GetCurrentThread(), thread);
+        IncrementScheduledCount(thread);
+        SetSchedulerUpdateNeeded(kernel);
+    }
+}
+
+void KScheduler::OnThreadAffinityMaskChanged(KernelCore& kernel, Thread* thread,
+                                             const KAffinityMask& old_affinity, s32 old_core) {
+    ASSERT(kernel.GlobalSchedulerContext().IsLocked());
+
+    // If the thread is runnable, we want to change its affinity in the queue.
+    if (thread->scheduling_state == static_cast<u32>(ThreadSchedStatus::Runnable)) {
+        GetPriorityQueue(kernel).ChangeAffinityMask(old_core, old_affinity, thread);
+        IncrementScheduledCount(thread);
+        SetSchedulerUpdateNeeded(kernel);
+    }
+}
+
+void KScheduler::RotateScheduledQueue(s32 core_id, s32 priority) {
+    ASSERT(system.GlobalSchedulerContext().IsLocked());
+
+    // Get a reference to the priority queue.
+    auto& kernel = system.Kernel();
+    auto& priority_queue = GetPriorityQueue(kernel);
+
+    // Rotate the front of the queue to the end.
+    Thread* top_thread = priority_queue.GetScheduledFront(core_id, priority);
+    Thread* next_thread = nullptr;
+    if (top_thread != nullptr) {
+        next_thread = priority_queue.MoveToScheduledBack(top_thread);
+        if (next_thread != top_thread) {
+            IncrementScheduledCount(top_thread);
+            IncrementScheduledCount(next_thread);
+        }
+    }
+
+    // While we have a suggested thread, try to migrate it!
+    {
+        Thread* suggested = priority_queue.GetSuggestedFront(core_id, priority);
+        while (suggested != nullptr) {
+            // Check if the suggested thread is the top thread on its core.
+            const s32 suggested_core = suggested->GetActiveCore();
+            if (Thread* top_on_suggested_core =
+                    (suggested_core >= 0) ? priority_queue.GetScheduledFront(suggested_core)
+                                          : nullptr;
+                top_on_suggested_core != suggested) {
+                // If the next thread is a new thread that has been waiting longer than our
+                // suggestion, we prefer it to our suggestion.
+                if (top_thread != next_thread && next_thread != nullptr &&
+                    next_thread->GetLastScheduledTick() < suggested->GetLastScheduledTick()) {
+                    suggested = nullptr;
+                    break;
+                }
+
+                // If we're allowed to do a migration, do one.
+                // NOTE: Unlike migrations in UpdateHighestPriorityThread, this moves the suggestion
+                // to the front of the queue.
+                if (top_on_suggested_core == nullptr ||
+                    top_on_suggested_core->GetPriority() >= HighestCoreMigrationAllowedPriority) {
+                    suggested->SetActiveCore(core_id);
+                    priority_queue.ChangeCore(suggested_core, suggested, true);
+                    IncrementScheduledCount(suggested);
+                    break;
+                }
+            }
+
+            // Get the next suggestion.
+            suggested = priority_queue.GetSamePriorityNext(core_id, suggested);
+        }
+    }
+
+    // Now that we might have migrated a thread with the same priority, check if we can do better.
+
+    {
+        Thread* best_thread = priority_queue.GetScheduledFront(core_id);
+        if (best_thread == GetCurrentThread()) {
+            best_thread = priority_queue.GetScheduledNext(core_id, best_thread);
+        }
+
+        // If the best thread we can choose has a priority the same or worse than ours, try to
+        // migrate a higher priority thread.
+        if (best_thread != nullptr && best_thread->GetPriority() >= static_cast<u32>(priority)) {
+            Thread* suggested = priority_queue.GetSuggestedFront(core_id);
+            while (suggested != nullptr) {
+                // If the suggestion's priority is the same as ours, don't bother.
+                if (suggested->GetPriority() >= best_thread->GetPriority()) {
+                    break;
+                }
+
+                // Check if the suggested thread is the top thread on its core.
+                const s32 suggested_core = suggested->GetActiveCore();
+                if (Thread* top_on_suggested_core =
+                        (suggested_core >= 0) ? priority_queue.GetScheduledFront(suggested_core)
+                                              : nullptr;
+                    top_on_suggested_core != suggested) {
+                    // If we're allowed to do a migration, do one.
+                    // NOTE: Unlike migrations in UpdateHighestPriorityThread, this moves the
+                    // suggestion to the front of the queue.
+                    if (top_on_suggested_core == nullptr ||
+                        top_on_suggested_core->GetPriority() >=
+                            HighestCoreMigrationAllowedPriority) {
+                        suggested->SetActiveCore(core_id);
+                        priority_queue.ChangeCore(suggested_core, suggested, true);
+                        IncrementScheduledCount(suggested);
+                        break;
+                    }
+                }
+
+                // Get the next suggestion.
+                suggested = priority_queue.GetSuggestedNext(core_id, suggested);
+            }
+        }
+    }
+
+    // After a rotation, we need a scheduler update.
+    SetSchedulerUpdateNeeded(kernel);
+}
+
+bool KScheduler::CanSchedule(KernelCore& kernel) {
+    return kernel.CurrentScheduler()->GetCurrentThread()->GetDisableDispatchCount() <= 1;
+}
+
+bool KScheduler::IsSchedulerUpdateNeeded(const KernelCore& kernel) {
+    return kernel.GlobalSchedulerContext().scheduler_update_needed.load(std::memory_order_acquire);
+}
+
+void KScheduler::SetSchedulerUpdateNeeded(KernelCore& kernel) {
+    kernel.GlobalSchedulerContext().scheduler_update_needed.store(true, std::memory_order_release);
+}
+
+void KScheduler::ClearSchedulerUpdateNeeded(KernelCore& kernel) {
+    kernel.GlobalSchedulerContext().scheduler_update_needed.store(false, std::memory_order_release);
+}
+
+void KScheduler::DisableScheduling(KernelCore& kernel) {
+    if (auto* scheduler = kernel.CurrentScheduler(); scheduler) {
+        ASSERT(scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 0);
+        scheduler->GetCurrentThread()->DisableDispatch();
+    }
+}
+
+void KScheduler::EnableScheduling(KernelCore& kernel, u64 cores_needing_scheduling,
+                                  Core::EmuThreadHandle global_thread) {
+    if (auto* scheduler = kernel.CurrentScheduler(); scheduler) {
+        scheduler->GetCurrentThread()->EnableDispatch();
+    }
+    RescheduleCores(kernel, cores_needing_scheduling, global_thread);
+}
+
+u64 KScheduler::UpdateHighestPriorityThreads(KernelCore& kernel) {
+    if (IsSchedulerUpdateNeeded(kernel)) {
+        return UpdateHighestPriorityThreadsImpl(kernel);
+    } else {
+        return 0;
+    }
+}
+
+KSchedulerPriorityQueue& KScheduler::GetPriorityQueue(KernelCore& kernel) {
+    return kernel.GlobalSchedulerContext().priority_queue;
+}
+
+void KScheduler::YieldWithoutCoreMigration() {
+    auto& kernel = system.Kernel();
+
+    // Validate preconditions.
+    ASSERT(CanSchedule(kernel));
+    ASSERT(kernel.CurrentProcess() != nullptr);
+
+    // Get the current thread and process.
+    Thread& cur_thread = *GetCurrentThread();
+    Process& cur_process = *kernel.CurrentProcess();
+
+    // If the thread's yield count matches, there's nothing for us to do.
+    if (cur_thread.GetYieldScheduleCount() == cur_process.GetScheduledCount()) {
+        return;
+    }
+
+    // Get a reference to the priority queue.
+    auto& priority_queue = GetPriorityQueue(kernel);
+
+    // Perform the yield.
+    {
+        KScopedSchedulerLock lock(kernel);
+
+        const auto cur_state = cur_thread.scheduling_state;
+        if (cur_state == static_cast<u32>(ThreadSchedStatus::Runnable)) {
+            // Put the current thread at the back of the queue.
+            Thread* next_thread = priority_queue.MoveToScheduledBack(std::addressof(cur_thread));
+            IncrementScheduledCount(std::addressof(cur_thread));
+
+            // If the next thread is different, we have an update to perform.
+            if (next_thread != std::addressof(cur_thread)) {
+                SetSchedulerUpdateNeeded(kernel);
+            } else {
+                // Otherwise, set the thread's yield count so that we won't waste work until the
+                // process is scheduled again.
+                cur_thread.SetYieldScheduleCount(cur_process.GetScheduledCount());
+            }
+        }
+    }
+}
+
+void KScheduler::YieldWithCoreMigration() {
+    auto& kernel = system.Kernel();
+
+    // Validate preconditions.
+    ASSERT(CanSchedule(kernel));
+    ASSERT(kernel.CurrentProcess() != nullptr);
+
+    // Get the current thread and process.
+    Thread& cur_thread = *GetCurrentThread();
+    Process& cur_process = *kernel.CurrentProcess();
+
+    // If the thread's yield count matches, there's nothing for us to do.
+    if (cur_thread.GetYieldScheduleCount() == cur_process.GetScheduledCount()) {
+        return;
+    }
+
+    // Get a reference to the priority queue.
+    auto& priority_queue = GetPriorityQueue(kernel);
+
+    // Perform the yield.
+    {
+        KScopedSchedulerLock lock(kernel);
+
+        const auto cur_state = cur_thread.scheduling_state;
+        if (cur_state == static_cast<u32>(ThreadSchedStatus::Runnable)) {
+            // Get the current active core.
+            const s32 core_id = cur_thread.GetActiveCore();
+
+            // Put the current thread at the back of the queue.
+            Thread* next_thread = priority_queue.MoveToScheduledBack(std::addressof(cur_thread));
+            IncrementScheduledCount(std::addressof(cur_thread));
+
+            // While we have a suggested thread, try to migrate it!
+            bool recheck = false;
+            Thread* suggested = priority_queue.GetSuggestedFront(core_id);
+            while (suggested != nullptr) {
+                // Check if the suggested thread is the thread running on its core.
+                const s32 suggested_core = suggested->GetActiveCore();
+
+                if (Thread* running_on_suggested_core =
+                        (suggested_core >= 0)
+                            ? kernel.Scheduler(suggested_core).state.highest_priority_thread
+                            : nullptr;
+                    running_on_suggested_core != suggested) {
+                    // If the current thread's priority is higher than our suggestion's we prefer
+                    // the next thread to the suggestion. We also prefer the next thread when the
+                    // current thread's priority is equal to the suggestions, but the next thread
+                    // has been waiting longer.
+                    if ((suggested->GetPriority() > cur_thread.GetPriority()) ||
+                        (suggested->GetPriority() == cur_thread.GetPriority() &&
+                         next_thread != std::addressof(cur_thread) &&
+                         next_thread->GetLastScheduledTick() < suggested->GetLastScheduledTick())) {
+                        suggested = nullptr;
+                        break;
+                    }
+
+                    // If we're allowed to do a migration, do one.
+                    // NOTE: Unlike migrations in UpdateHighestPriorityThread, this moves the
+                    // suggestion to the front of the queue.
+                    if (running_on_suggested_core == nullptr ||
+                        running_on_suggested_core->GetPriority() >=
+                            HighestCoreMigrationAllowedPriority) {
+                        suggested->SetActiveCore(core_id);
+                        priority_queue.ChangeCore(suggested_core, suggested, true);
+                        IncrementScheduledCount(suggested);
+                        break;
+                    } else {
+                        // We couldn't perform a migration, but we should check again on a future
+                        // yield.
+                        recheck = true;
+                    }
+                }
+
+                // Get the next suggestion.
+                suggested = priority_queue.GetSuggestedNext(core_id, suggested);
+            }
+
+            // If we still have a suggestion or the next thread is different, we have an update to
+            // perform.
+            if (suggested != nullptr || next_thread != std::addressof(cur_thread)) {
+                SetSchedulerUpdateNeeded(kernel);
+            } else if (!recheck) {
+                // Otherwise if we don't need to re-check, set the thread's yield count so that we
+                // won't waste work until the process is scheduled again.
+                cur_thread.SetYieldScheduleCount(cur_process.GetScheduledCount());
+            }
+        }
+    }
+}
+
+void KScheduler::YieldToAnyThread() {
+    auto& kernel = system.Kernel();
+
+    // Validate preconditions.
+    ASSERT(CanSchedule(kernel));
+    ASSERT(kernel.CurrentProcess() != nullptr);
+
+    // Get the current thread and process.
+    Thread& cur_thread = *GetCurrentThread();
+    Process& cur_process = *kernel.CurrentProcess();
+
+    // If the thread's yield count matches, there's nothing for us to do.
+    if (cur_thread.GetYieldScheduleCount() == cur_process.GetScheduledCount()) {
+        return;
+    }
+
+    // Get a reference to the priority queue.
+    auto& priority_queue = GetPriorityQueue(kernel);
+
+    // Perform the yield.
+    {
+        KScopedSchedulerLock lock(kernel);
+
+        const auto cur_state = cur_thread.scheduling_state;
+        if (cur_state == static_cast<u32>(ThreadSchedStatus::Runnable)) {
+            // Get the current active core.
+            const s32 core_id = cur_thread.GetActiveCore();
+
+            // Migrate the current thread to core -1.
+            cur_thread.SetActiveCore(-1);
+            priority_queue.ChangeCore(core_id, std::addressof(cur_thread));
+            IncrementScheduledCount(std::addressof(cur_thread));
+
+            // If there's nothing scheduled, we can try to perform a migration.
+            if (priority_queue.GetScheduledFront(core_id) == nullptr) {
+                // While we have a suggested thread, try to migrate it!
+                Thread* suggested = priority_queue.GetSuggestedFront(core_id);
+                while (suggested != nullptr) {
+                    // Check if the suggested thread is the top thread on its core.
+                    const s32 suggested_core = suggested->GetActiveCore();
+                    if (Thread* top_on_suggested_core =
+                            (suggested_core >= 0) ? priority_queue.GetScheduledFront(suggested_core)
+                                                  : nullptr;
+                        top_on_suggested_core != suggested) {
+                        // If we're allowed to do a migration, do one.
+                        if (top_on_suggested_core == nullptr ||
+                            top_on_suggested_core->GetPriority() >=
+                                HighestCoreMigrationAllowedPriority) {
+                            suggested->SetActiveCore(core_id);
+                            priority_queue.ChangeCore(suggested_core, suggested);
+                            IncrementScheduledCount(suggested);
+                        }
+
+                        // Regardless of whether we migrated, we had a candidate, so we're done.
+                        break;
+                    }
+
+                    // Get the next suggestion.
+                    suggested = priority_queue.GetSuggestedNext(core_id, suggested);
+                }
+
+                // If the suggestion is different from the current thread, we need to perform an
+                // update.
+                if (suggested != std::addressof(cur_thread)) {
+                    SetSchedulerUpdateNeeded(kernel);
+                } else {
+                    // Otherwise, set the thread's yield count so that we won't waste work until the
+                    // process is scheduled again.
+                    cur_thread.SetYieldScheduleCount(cur_process.GetScheduledCount());
+                }
+            } else {
+                // Otherwise, we have an update to perform.
+                SetSchedulerUpdateNeeded(kernel);
+            }
+        }
+    }
+}
+
+KScheduler::KScheduler(Core::System& system, std::size_t core_id)
+    : system(system), core_id(core_id) {
+    switch_fiber = std::make_shared<Common::Fiber>(OnSwitch, this);
+    this->state.needs_scheduling = true;
+    this->state.interrupt_task_thread_runnable = false;
+    this->state.should_count_idle = false;
+    this->state.idle_count = 0;
+    this->state.idle_thread_stack = nullptr;
+    this->state.highest_priority_thread = nullptr;
+}
+
+KScheduler::~KScheduler() = default;
+
+Thread* KScheduler::GetCurrentThread() const {
+    if (current_thread) {
+        return current_thread;
+    }
+    return idle_thread;
+}
+
+u64 KScheduler::GetLastContextSwitchTicks() const {
+    return last_context_switch_time;
+}
+
+void KScheduler::RescheduleCurrentCore() {
+    ASSERT(GetCurrentThread()->GetDisableDispatchCount() == 1);
+
+    auto& phys_core = system.Kernel().PhysicalCore(core_id);
+    if (phys_core.IsInterrupted()) {
+        phys_core.ClearInterrupt();
+    }
+    guard.lock();
+    if (this->state.needs_scheduling) {
+        Schedule();
+    } else {
+        guard.unlock();
+    }
+}
+
+void KScheduler::OnThreadStart() {
+    SwitchContextStep2();
+}
+
+void KScheduler::Unload(Thread* thread) {
+    if (thread) {
+        thread->SetIsRunning(false);
+        if (thread->IsContinuousOnSVC() && !thread->IsHLEThread()) {
+            system.ArmInterface(core_id).ExceptionalExit();
+            thread->SetContinuousOnSVC(false);
+        }
+        if (!thread->IsHLEThread() && !thread->HasExited()) {
+            Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
+            cpu_core.SaveContext(thread->GetContext32());
+            cpu_core.SaveContext(thread->GetContext64());
+            // Save the TPIDR_EL0 system register in case it was modified.
+            thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
+            cpu_core.ClearExclusiveState();
+        }
+        thread->context_guard.unlock();
+    }
+}
+
+void KScheduler::Reload(Thread* thread) {
+    if (thread) {
+        ASSERT_MSG(thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable,
+                   "Thread must be runnable.");
+
+        // Cancel any outstanding wakeup events for this thread
+        thread->SetIsRunning(true);
+        thread->SetWasRunning(false);
+
+        auto* const thread_owner_process = thread->GetOwnerProcess();
+        if (thread_owner_process != nullptr) {
+            system.Kernel().MakeCurrentProcess(thread_owner_process);
+        }
+        if (!thread->IsHLEThread()) {
+            Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
+            cpu_core.LoadContext(thread->GetContext32());
+            cpu_core.LoadContext(thread->GetContext64());
+            cpu_core.SetTlsAddress(thread->GetTLSAddress());
+            cpu_core.SetTPIDR_EL0(thread->GetTPIDR_EL0());
+            cpu_core.ClearExclusiveState();
+        }
+    }
+}
+
+void KScheduler::SwitchContextStep2() {
+    // Load context of new thread
+    Reload(current_thread);
+
+    RescheduleCurrentCore();
+}
+
+void KScheduler::ScheduleImpl() {
+    Thread* previous_thread = current_thread;
+    current_thread = state.highest_priority_thread;
+
+    this->state.needs_scheduling = false;
+
+    if (current_thread == previous_thread) {
+        guard.unlock();
+        return;
+    }
+
+    Process* const previous_process = system.Kernel().CurrentProcess();
+
+    UpdateLastContextSwitchTime(previous_thread, previous_process);
+
+    // Save context for previous thread
+    Unload(previous_thread);
+
+    std::shared_ptr<Common::Fiber>* old_context;
+    if (previous_thread != nullptr) {
+        old_context = &previous_thread->GetHostContext();
+    } else {
+        old_context = &idle_thread->GetHostContext();
+    }
+    guard.unlock();
+
+    Common::Fiber::YieldTo(*old_context, switch_fiber);
+    /// When a thread wakes up, the scheduler may have changed to other in another core.
+    auto& next_scheduler = *system.Kernel().CurrentScheduler();
+    next_scheduler.SwitchContextStep2();
+}
+
+void KScheduler::OnSwitch(void* this_scheduler) {
+    KScheduler* sched = static_cast<KScheduler*>(this_scheduler);
+    sched->SwitchToCurrent();
+}
+
+void KScheduler::SwitchToCurrent() {
+    while (true) {
+        {
+            std::scoped_lock lock{guard};
+            current_thread = state.highest_priority_thread;
+            this->state.needs_scheduling = false;
+        }
+        const auto is_switch_pending = [this] {
+            std::scoped_lock lock{guard};
+            return state.needs_scheduling.load(std::memory_order_relaxed);
+        };
+        do {
+            if (current_thread != nullptr && !current_thread->IsHLEThread()) {
+                current_thread->context_guard.lock();
+                if (!current_thread->IsRunnable()) {
+                    current_thread->context_guard.unlock();
+                    break;
+                }
+                if (static_cast<u32>(current_thread->GetProcessorID()) != core_id) {
+                    current_thread->context_guard.unlock();
+                    break;
+                }
+            }
+            std::shared_ptr<Common::Fiber>* next_context;
+            if (current_thread != nullptr) {
+                next_context = &current_thread->GetHostContext();
+            } else {
+                next_context = &idle_thread->GetHostContext();
+            }
+            Common::Fiber::YieldTo(switch_fiber, *next_context);
+        } while (!is_switch_pending());
+    }
+}
+
+void KScheduler::UpdateLastContextSwitchTime(Thread* thread, Process* process) {
+    const u64 prev_switch_ticks = last_context_switch_time;
+    const u64 most_recent_switch_ticks = system.CoreTiming().GetCPUTicks();
+    const u64 update_ticks = most_recent_switch_ticks - prev_switch_ticks;
+
+    if (thread != nullptr) {
+        thread->UpdateCPUTimeTicks(update_ticks);
+    }
+
+    if (process != nullptr) {
+        process->UpdateCPUTimeTicks(update_ticks);
+    }
+
+    last_context_switch_time = most_recent_switch_ticks;
+}
+
+void KScheduler::Initialize() {
+    std::string name = "Idle Thread Id:" + std::to_string(core_id);
+    std::function<void(void*)> init_func = Core::CpuManager::GetIdleThreadStartFunc();
+    void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
+    ThreadType type = static_cast<ThreadType>(THREADTYPE_KERNEL | THREADTYPE_HLE | THREADTYPE_IDLE);
+    auto thread_res = Thread::Create(system, type, name, 0, 64, 0, static_cast<u32>(core_id), 0,
+                                     nullptr, std::move(init_func), init_func_parameter);
+    idle_thread = thread_res.Unwrap().get();
+
+    {
+        KScopedSchedulerLock lock{system.Kernel()};
+        idle_thread->SetStatus(ThreadStatus::Ready);
+    }
+}
+
+KScopedSchedulerLock::KScopedSchedulerLock(KernelCore& kernel)
+    : KScopedLock(kernel.GlobalSchedulerContext().SchedulerLock()) {}
+
+KScopedSchedulerLock::~KScopedSchedulerLock() = default;
+
+} // namespace Kernel

src/core/hle/kernel/k_scheduler.h

@@ -0,0 +1,201 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+// This file references various implementation details from Atmosphere, an open-source firmware for
+// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
+
+#pragma once
+
+#include <atomic>
+
+#include "common/common_types.h"
+#include "common/spin_lock.h"
+#include "core/hle/kernel/global_scheduler_context.h"
+#include "core/hle/kernel/k_priority_queue.h"
+#include "core/hle/kernel/k_scheduler_lock.h"
+#include "core/hle/kernel/k_scoped_lock.h"
+
+namespace Common {
+class Fiber;
+}
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+
+class KernelCore;
+class Process;
+class SchedulerLock;
+class Thread;
+
+class KScheduler final {
+public:
+    explicit KScheduler(Core::System& system, std::size_t core_id);
+    ~KScheduler();
+
+    /// Reschedules to the next available thread (call after current thread is suspended)
+    void RescheduleCurrentCore();
+
+    /// Reschedules cores pending reschedule, to be called on EnableScheduling.
+    static void RescheduleCores(KernelCore& kernel, u64 cores_pending_reschedule,
+                                Core::EmuThreadHandle global_thread);
+
+    /// The next two are for SingleCore Only.
+    /// Unload current thread before preempting core.
+    void Unload(Thread* thread);
+
+    /// Reload current thread after core preemption.
+    void Reload(Thread* thread);
+
+    /// Gets the current running thread
+    [[nodiscard]] Thread* GetCurrentThread() const;
+
+    /// Gets the timestamp for the last context switch in ticks.
+    [[nodiscard]] u64 GetLastContextSwitchTicks() const;
+
+    [[nodiscard]] bool ContextSwitchPending() const {
+        return state.needs_scheduling.load(std::memory_order_relaxed);
+    }
+
+    void Initialize();
+
+    void OnThreadStart();
+
+    [[nodiscard]] std::shared_ptr<Common::Fiber>& ControlContext() {
+        return switch_fiber;
+    }
+
+    [[nodiscard]] const std::shared_ptr<Common::Fiber>& ControlContext() const {
+        return switch_fiber;
+    }
+
+    [[nodiscard]] u64 UpdateHighestPriorityThread(Thread* highest_thread);
+
+    /**
+     * Takes a thread and moves it to the back of the it's priority list.
+     *
+     * @note This operation can be redundant and no scheduling is changed if marked as so.
+     */
+    void YieldWithoutCoreMigration();
+
+    /**
+     * Takes a thread and moves it to the back of the it's priority list.
+     * Afterwards, tries to pick a suggested thread from the suggested queue that has worse time or
+     * a better priority than the next thread in the core.
+     *
+     * @note This operation can be redundant and no scheduling is changed if marked as so.
+     */
+    void YieldWithCoreMigration();
+
+    /**
+     * Takes a thread and moves it out of the scheduling queue.
+     * and into the suggested queue. If no thread can be scheduled afterwards in that core,
+     * a suggested thread is obtained instead.
+     *
+     * @note This operation can be redundant and no scheduling is changed if marked as so.
+     */
+    void YieldToAnyThread();
+
+    /// Notify the scheduler a thread's status has changed.
+    static void OnThreadStateChanged(KernelCore& kernel, Thread* thread, u32 old_state);
+
+    /// Notify the scheduler a thread's priority has changed.
+    static void OnThreadPriorityChanged(KernelCore& kernel, Thread* thread, Thread* current_thread,
+                                        u32 old_priority);
+
+    /// Notify the scheduler a thread's core and/or affinity mask has changed.
+    static void OnThreadAffinityMaskChanged(KernelCore& kernel, Thread* thread,
+                                            const KAffinityMask& old_affinity, s32 old_core);
+
+    static bool CanSchedule(KernelCore& kernel);
+    static bool IsSchedulerUpdateNeeded(const KernelCore& kernel);
+    static void SetSchedulerUpdateNeeded(KernelCore& kernel);
+    static void ClearSchedulerUpdateNeeded(KernelCore& kernel);
+    static void DisableScheduling(KernelCore& kernel);
+    static void EnableScheduling(KernelCore& kernel, u64 cores_needing_scheduling,
+                                 Core::EmuThreadHandle global_thread);
+    [[nodiscard]] static u64 UpdateHighestPriorityThreads(KernelCore& kernel);
+
+private:
+    friend class GlobalSchedulerContext;
+
+    /**
+     * Takes care of selecting the new scheduled threads in three steps:
+     *
+     * 1. First a thread is selected from the top of the priority queue. If no thread
+     *    is obtained then we move to step two, else we are done.
+     *
+     * 2. Second we try to get a suggested thread that's not assigned to any core or
+     *    that is not the top thread in that core.
+     *
+     * 3. Third is no suggested thread is found, we do a second pass and pick a running
+     *    thread in another core and swap it with its current thread.
+     *
+     * returns the cores needing scheduling.
+     */
+    [[nodiscard]] static u64 UpdateHighestPriorityThreadsImpl(KernelCore& kernel);
+
+    [[nodiscard]] static KSchedulerPriorityQueue& GetPriorityQueue(KernelCore& kernel);
+
+    void RotateScheduledQueue(s32 core_id, s32 priority);
+
+    void Schedule() {
+        ASSERT(GetCurrentThread()->GetDisableDispatchCount() == 1);
+        this->ScheduleImpl();
+    }
+
+    /// Switches the CPU's active thread context to that of the specified thread
+    void ScheduleImpl();
+
+    /// When a thread wakes up, it must run this through it's new scheduler
+    void SwitchContextStep2();
+
+    /**
+     * Called on every context switch to update the internal timestamp
+     * This also updates the running time ticks for the given thread and
+     * process using the following difference:
+     *
+     * ticks += most_recent_ticks - last_context_switch_ticks
+     *
+     * The internal tick timestamp for the scheduler is simply the
+     * most recent tick count retrieved. No special arithmetic is
+     * applied to it.
+     */
+    void UpdateLastContextSwitchTime(Thread* thread, Process* process);
+
+    static void OnSwitch(void* this_scheduler);
+    void SwitchToCurrent();
+
+    Thread* current_thread{};
+    Thread* idle_thread{};
+
+    std::shared_ptr<Common::Fiber> switch_fiber{};
+
+    struct SchedulingState {
+        std::atomic<bool> needs_scheduling;
+        bool interrupt_task_thread_runnable{};
+        bool should_count_idle{};
+        u64 idle_count{};
+        Thread* highest_priority_thread{};
+        void* idle_thread_stack{};
+    };
+
+    SchedulingState state;
+
+    Core::System& system;
+    u64 last_context_switch_time{};
+    const std::size_t core_id;
+
+    Common::SpinLock guard{};
+};
+
+class KScopedSchedulerLock : KScopedLock<GlobalSchedulerContext::LockType> {
+public:
+    explicit KScopedSchedulerLock(KernelCore& kernel);
+    ~KScopedSchedulerLock();
+};
+
+} // namespace Kernel

src/core/hle/kernel/k_scheduler_lock.h

@@ -0,0 +1,75 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+// This file references various implementation details from Atmosphere, an open-source firmware for
+// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
+
+#pragma once
+
+#include "common/assert.h"
+#include "common/spin_lock.h"
+#include "core/hardware_properties.h"
+#include "core/hle/kernel/kernel.h"
+
+namespace Kernel {
+
+class KernelCore;
+
+template <typename SchedulerType>
+class KAbstractSchedulerLock {
+public:
+    explicit KAbstractSchedulerLock(KernelCore& kernel) : kernel{kernel} {}
+
+    bool IsLockedByCurrentThread() const {
+        return this->owner_thread == kernel.GetCurrentEmuThreadID();
+    }
+
+    void Lock() {
+        if (this->IsLockedByCurrentThread()) {
+            // If we already own the lock, we can just increment the count.
+            ASSERT(this->lock_count > 0);
+            this->lock_count++;
+        } else {
+            // Otherwise, we want to disable scheduling and acquire the spinlock.
+            SchedulerType::DisableScheduling(kernel);
+            this->spin_lock.lock();
+
+            // For debug, ensure that our state is valid.
+            ASSERT(this->lock_count == 0);
+            ASSERT(this->owner_thread == Core::EmuThreadHandle::InvalidHandle());
+
+            // Increment count, take ownership.
+            this->lock_count = 1;
+            this->owner_thread = kernel.GetCurrentEmuThreadID();
+        }
+    }
+
+    void Unlock() {
+        ASSERT(this->IsLockedByCurrentThread());
+        ASSERT(this->lock_count > 0);
+
+        // Release an instance of the lock.
+        if ((--this->lock_count) == 0) {
+            // We're no longer going to hold the lock. Take note of what cores need scheduling.
+            const u64 cores_needing_scheduling =
+                SchedulerType::UpdateHighestPriorityThreads(kernel);
+            Core::EmuThreadHandle leaving_thread = owner_thread;
+
+            // Note that we no longer hold the lock, and unlock the spinlock.
+            this->owner_thread = Core::EmuThreadHandle::InvalidHandle();
+            this->spin_lock.unlock();
+
+            // Enable scheduling, and perform a rescheduling operation.
+            SchedulerType::EnableScheduling(kernel, cores_needing_scheduling, leaving_thread);
+        }
+    }
+
+private:
+    KernelCore& kernel;
+    Common::SpinLock spin_lock{};
+    s32 lock_count{};
+    Core::EmuThreadHandle owner_thread{Core::EmuThreadHandle::InvalidHandle()};
+};
+
+} // namespace Kernel

src/core/hle/kernel/k_scoped_lock.h

@@ -0,0 +1,41 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+// This file references various implementation details from Atmosphere, an open-source firmware for
+// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Kernel {
+
+template <typename T>
+concept KLockable = !std::is_reference_v<T> && requires(T & t) {
+    { t.Lock() }
+    ->std::same_as<void>;
+    { t.Unlock() }
+    ->std::same_as<void>;
+};
+
+template <typename T>
+requires KLockable<T> class KScopedLock {
+public:
+    explicit KScopedLock(T* l) : lock_ptr(l) {
+        this->lock_ptr->Lock();
+    }
+    explicit KScopedLock(T& l) : KScopedLock(std::addressof(l)) { /* ... */
+    }
+    ~KScopedLock() {
+        this->lock_ptr->Unlock();
+    }
+
+    KScopedLock(const KScopedLock&) = delete;
+    KScopedLock(KScopedLock&&) = delete;
+
+private:
+    T* lock_ptr;
+};
+
+} // namespace Kernel

src/core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h

@@ -0,0 +1,50 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+// This file references various implementation details from Atmosphere, an open-source firmware for
+// the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX.
+
+#pragma once
+
+#include "common/common_types.h"
+#include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/thread.h"
+#include "core/hle/kernel/time_manager.h"
+
+namespace Kernel {
+
+class KScopedSchedulerLockAndSleep {
+public:
+    explicit KScopedSchedulerLockAndSleep(KernelCore& kernel, Handle& event_handle, Thread* t,
+                                          s64 timeout)
+        : kernel(kernel), event_handle(event_handle), thread(t), timeout_tick(timeout) {
+        event_handle = InvalidHandle;
+
+        // Lock the scheduler.
+        kernel.GlobalSchedulerContext().scheduler_lock.Lock();
+    }
+
+    ~KScopedSchedulerLockAndSleep() {
+        // Register the sleep.
+        if (this->timeout_tick > 0) {
+            kernel.TimeManager().ScheduleTimeEvent(event_handle, this->thread, this->timeout_tick);
+        }
+
+        // Unlock the scheduler.
+        kernel.GlobalSchedulerContext().scheduler_lock.Unlock();
+    }
+
+    void CancelSleep() {
+        this->timeout_tick = 0;
+    }
+
+private:
+    KernelCore& kernel;
+    Handle& event_handle;
+    Thread* thread{};
+    s64 timeout_tick{};
+};
+
+} // namespace Kernel

src/core/hle/kernel/kernel.cpp

@@ -27,6 +27,7 @@
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/memory/memory_layout.h"
 #include "core/hle/kernel/memory/memory_manager.h"
@@ -34,7 +35,6 @@
 #include "core/hle/kernel/physical_core.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/shared_memory.h"
 #include "core/hle/kernel/synchronization.h"
 #include "core/hle/kernel/thread.h"
@@ -49,17 +49,18 @@ namespace Kernel {
 
 struct KernelCore::Impl {
     explicit Impl(Core::System& system, KernelCore& kernel)
-        : global_scheduler{kernel}, synchronization{system}, time_manager{system},
-          global_handle_table{kernel}, system{system} {}
+        : synchronization{system}, time_manager{system}, global_handle_table{kernel}, system{
+                                                                                          system} {}
 
     void SetMulticore(bool is_multicore) {
         this->is_multicore = is_multicore;
     }
 
     void Initialize(KernelCore& kernel) {
-        Shutdown();
         RegisterHostThread();
 
+        global_scheduler_context = std::make_unique<Kernel::GlobalSchedulerContext>(kernel);
+
         InitializePhysicalCores();
         InitializeSystemResourceLimit(kernel);
         InitializeMemoryLayout();
@@ -86,29 +87,20 @@ struct KernelCore::Impl {
             }
         }
 
-        for (std::size_t i = 0; i < cores.size(); i++) {
-            cores[i].Shutdown();
-            schedulers[i].reset();
-        }
         cores.clear();
 
         process_list.clear();
+
         current_process = nullptr;
 
         system_resource_limit = nullptr;
 
         global_handle_table.Clear();
+
         preemption_event = nullptr;
 
-        global_scheduler.Shutdown();
-
         named_ports.clear();
 
-        for (auto& core : cores) {
-            core.Shutdown();
-        }
-        cores.clear();
-
         exclusive_monitor.reset();
 
         num_host_threads = 0;
@@ -121,7 +113,7 @@ struct KernelCore::Impl {
         exclusive_monitor =
             Core::MakeExclusiveMonitor(system.Memory(), Core::Hardware::NUM_CPU_CORES);
         for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
-            schedulers[i] = std::make_unique<Kernel::Scheduler>(system, i);
+            schedulers[i] = std::make_unique<Kernel::KScheduler>(system, i);
             cores.emplace_back(i, system, *schedulers[i], interrupts);
         }
     }
@@ -154,8 +146,8 @@ struct KernelCore::Impl {
         preemption_event = Core::Timing::CreateEvent(
             "PreemptionCallback", [this, &kernel](std::uintptr_t, std::chrono::nanoseconds) {
                 {
-                    SchedulerLock lock(kernel);
-                    global_scheduler.PreemptThreads();
+                    KScopedSchedulerLock lock(kernel);
+                    global_scheduler_context->PreemptThreads();
                 }
                 const auto time_interval = std::chrono::nanoseconds{
                     Core::Timing::msToCycles(std::chrono::milliseconds(10))};
@@ -245,7 +237,7 @@ struct KernelCore::Impl {
         if (result.host_handle >= Core::Hardware::NUM_CPU_CORES) {
             return result;
         }
-        const Kernel::Scheduler& sched = cores[result.host_handle].Scheduler();
+        const Kernel::KScheduler& sched = cores[result.host_handle].Scheduler();
         const Kernel::Thread* current = sched.GetCurrentThread();
         if (current != nullptr && !current->IsPhantomMode()) {
             result.guest_handle = current->GetGlobalHandle();
@@ -314,7 +306,7 @@ struct KernelCore::Impl {
     // Lists all processes that exist in the current session.
     std::vector<std::shared_ptr<Process>> process_list;
     Process* current_process = nullptr;
-    Kernel::GlobalScheduler global_scheduler;
+    std::unique_ptr<Kernel::GlobalSchedulerContext> global_scheduler_context;
     Kernel::Synchronization synchronization;
     Kernel::TimeManager time_manager;
 
@@ -355,7 +347,7 @@ struct KernelCore::Impl {
 
     std::array<std::shared_ptr<Thread>, Core::Hardware::NUM_CPU_CORES> suspend_threads{};
     std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES> interrupts{};
-    std::array<std::unique_ptr<Kernel::Scheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{};
+    std::array<std::unique_ptr<Kernel::KScheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{};
 
     bool is_multicore{};
     std::thread::id single_core_thread_id{};
@@ -415,19 +407,19 @@ const std::vector<std::shared_ptr<Process>>& KernelCore::GetProcessList() const
     return impl->process_list;
 }
 
-Kernel::GlobalScheduler& KernelCore::GlobalScheduler() {
-    return impl->global_scheduler;
+Kernel::GlobalSchedulerContext& KernelCore::GlobalSchedulerContext() {
+    return *impl->global_scheduler_context;
 }
 
-const Kernel::GlobalScheduler& KernelCore::GlobalScheduler() const {
-    return impl->global_scheduler;
+const Kernel::GlobalSchedulerContext& KernelCore::GlobalSchedulerContext() const {
+    return *impl->global_scheduler_context;
 }
 
-Kernel::Scheduler& KernelCore::Scheduler(std::size_t id) {
+Kernel::KScheduler& KernelCore::Scheduler(std::size_t id) {
     return *impl->schedulers[id];
 }
 
-const Kernel::Scheduler& KernelCore::Scheduler(std::size_t id) const {
+const Kernel::KScheduler& KernelCore::Scheduler(std::size_t id) const {
     return *impl->schedulers[id];
 }
 
@@ -451,16 +443,13 @@ const Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() const {
     return impl->cores[core_id];
 }
 
-Kernel::Scheduler& KernelCore::CurrentScheduler() {
+Kernel::KScheduler* KernelCore::CurrentScheduler() {
     u32 core_id = impl->GetCurrentHostThreadID();
-    ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
-    return *impl->schedulers[core_id];
-}
-
-const Kernel::Scheduler& KernelCore::CurrentScheduler() const {
-    u32 core_id = impl->GetCurrentHostThreadID();
-    ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
-    return *impl->schedulers[core_id];
+    if (core_id >= Core::Hardware::NUM_CPU_CORES) {
+        // This is expected when called from not a guest thread
+        return {};
+    }
+    return impl->schedulers[core_id].get();
 }
 
 std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& KernelCore::Interrupts() {
@@ -623,7 +612,7 @@ const Kernel::SharedMemory& KernelCore::GetTimeSharedMem() const {
 void KernelCore::Suspend(bool in_suspention) {
     const bool should_suspend = exception_exited || in_suspention;
     {
-        SchedulerLock lock(*this);
+        KScopedSchedulerLock lock(*this);
         ThreadStatus status = should_suspend ? ThreadStatus::Ready : ThreadStatus::WaitSleep;
         for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
             impl->suspend_threads[i]->SetStatus(status);

src/core/hle/kernel/kernel.h

@@ -35,12 +35,12 @@ class SlabHeap;
 
 class AddressArbiter;
 class ClientPort;
-class GlobalScheduler;
+class GlobalSchedulerContext;
 class HandleTable;
 class PhysicalCore;
 class Process;
 class ResourceLimit;
-class Scheduler;
+class KScheduler;
 class SharedMemory;
 class Synchronization;
 class Thread;
@@ -102,16 +102,16 @@ public:
     const std::vector<std::shared_ptr<Process>>& GetProcessList() const;
 
     /// Gets the sole instance of the global scheduler
-    Kernel::GlobalScheduler& GlobalScheduler();
+    Kernel::GlobalSchedulerContext& GlobalSchedulerContext();
 
     /// Gets the sole instance of the global scheduler
-    const Kernel::GlobalScheduler& GlobalScheduler() const;
+    const Kernel::GlobalSchedulerContext& GlobalSchedulerContext() const;
 
     /// Gets the sole instance of the Scheduler assoviated with cpu core 'id'
-    Kernel::Scheduler& Scheduler(std::size_t id);
+    Kernel::KScheduler& Scheduler(std::size_t id);
 
     /// Gets the sole instance of the Scheduler assoviated with cpu core 'id'
-    const Kernel::Scheduler& Scheduler(std::size_t id) const;
+    const Kernel::KScheduler& Scheduler(std::size_t id) const;
 
     /// Gets the an instance of the respective physical CPU core.
     Kernel::PhysicalCore& PhysicalCore(std::size_t id);
@@ -120,10 +120,7 @@ public:
     const Kernel::PhysicalCore& PhysicalCore(std::size_t id) const;
 
     /// Gets the sole instance of the Scheduler at the current running core.
-    Kernel::Scheduler& CurrentScheduler();
-
-    /// Gets the sole instance of the Scheduler at the current running core.
-    const Kernel::Scheduler& CurrentScheduler() const;
+    Kernel::KScheduler* CurrentScheduler();
 
     /// Gets the an instance of the current physical CPU core.
     Kernel::PhysicalCore& CurrentPhysicalCore();

src/core/hle/kernel/mutex.cpp

@@ -11,11 +11,11 @@
 #include "core/core.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/mutex.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/result.h"
 #include "core/memory.h"
@@ -73,9 +73,9 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
 
     auto& kernel = system.Kernel();
     std::shared_ptr<Thread> current_thread =
-        SharedFrom(kernel.CurrentScheduler().GetCurrentThread());
+        SharedFrom(kernel.CurrentScheduler()->GetCurrentThread());
     {
-        SchedulerLock lock(kernel);
+        KScopedSchedulerLock lock(kernel);
         // The mutex address must be 4-byte aligned
         if ((address % sizeof(u32)) != 0) {
             return ERR_INVALID_ADDRESS;
@@ -114,7 +114,7 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
     }
 
     {
-        SchedulerLock lock(kernel);
+        KScopedSchedulerLock lock(kernel);
         auto* owner = current_thread->GetLockOwner();
         if (owner != nullptr) {
             owner->RemoveMutexWaiter(current_thread);
@@ -153,10 +153,10 @@ std::pair<ResultCode, std::shared_ptr<Thread>> Mutex::Unlock(std::shared_ptr<Thr
 
 ResultCode Mutex::Release(VAddr address) {
     auto& kernel = system.Kernel();
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
 
     std::shared_ptr<Thread> current_thread =
-        SharedFrom(kernel.CurrentScheduler().GetCurrentThread());
+        SharedFrom(kernel.CurrentScheduler()->GetCurrentThread());
 
     auto [result, new_owner] = Unlock(current_thread, address);
 

src/core/hle/kernel/physical_core.cpp

@@ -7,14 +7,14 @@
 #include "core/arm/dynarmic/arm_dynarmic_32.h"
 #include "core/arm/dynarmic/arm_dynarmic_64.h"
 #include "core/core.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/physical_core.h"
-#include "core/hle/kernel/scheduler.h"
 
 namespace Kernel {
 
 PhysicalCore::PhysicalCore(std::size_t core_index, Core::System& system,
-                           Kernel::Scheduler& scheduler, Core::CPUInterrupts& interrupts)
+                           Kernel::KScheduler& scheduler, Core::CPUInterrupts& interrupts)
     : core_index{core_index}, system{system}, scheduler{scheduler},
       interrupts{interrupts}, guard{std::make_unique<Common::SpinLock>()} {}
 
@@ -43,10 +43,6 @@ void PhysicalCore::Idle() {
     interrupts[core_index].AwaitInterrupt();
 }
 
-void PhysicalCore::Shutdown() {
-    scheduler.Shutdown();
-}
-
 bool PhysicalCore::IsInterrupted() const {
     return interrupts[core_index].IsInterrupted();
 }

src/core/hle/kernel/physical_core.h

@@ -15,7 +15,7 @@ class SpinLock;
 }
 
 namespace Kernel {
-class Scheduler;
+class KScheduler;
 } // namespace Kernel
 
 namespace Core {
@@ -28,7 +28,7 @@ namespace Kernel {
 
 class PhysicalCore {
 public:
-    PhysicalCore(std::size_t core_index, Core::System& system, Kernel::Scheduler& scheduler,
+    PhysicalCore(std::size_t core_index, Core::System& system, Kernel::KScheduler& scheduler,
                  Core::CPUInterrupts& interrupts);
     ~PhysicalCore();
 
@@ -55,9 +55,6 @@ public:
     /// Check if this core is interrupted
     bool IsInterrupted() const;
 
-    // Shutdown this physical core.
-    void Shutdown();
-
     bool IsInitialized() const {
         return arm_interface != nullptr;
     }
@@ -82,18 +79,18 @@ public:
         return core_index;
     }
 
-    Kernel::Scheduler& Scheduler() {
+    Kernel::KScheduler& Scheduler() {
         return scheduler;
     }
 
-    const Kernel::Scheduler& Scheduler() const {
+    const Kernel::KScheduler& Scheduler() const {
         return scheduler;
     }
 
 private:
     const std::size_t core_index;
     Core::System& system;
-    Kernel::Scheduler& scheduler;
+    Kernel::KScheduler& scheduler;
     Core::CPUInterrupts& interrupts;
     std::unique_ptr<Common::SpinLock> guard;
     std::unique_ptr<Core::ARM_Interface> arm_interface;

src/core/hle/kernel/process.cpp

@@ -15,13 +15,13 @@
 #include "core/file_sys/program_metadata.h"
 #include "core/hle/kernel/code_set.h"
 #include "core/hle/kernel/errors.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/memory/memory_block_manager.h"
 #include "core/hle/kernel/memory/page_table.h"
 #include "core/hle/kernel/memory/slab_heap.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/lock.h"
 #include "core/memory.h"
@@ -54,7 +54,7 @@ void SetupMainThread(Core::System& system, Process& owner_process, u32 priority,
     auto& kernel = system.Kernel();
     // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
     {
-        SchedulerLock lock{kernel};
+        KScopedSchedulerLock lock{kernel};
         thread->SetStatus(ThreadStatus::Ready);
     }
 }
@@ -213,7 +213,7 @@ void Process::UnregisterThread(const Thread* thread) {
 }
 
 ResultCode Process::ClearSignalState() {
-    SchedulerLock lock(system.Kernel());
+    KScopedSchedulerLock lock(system.Kernel());
     if (status == ProcessStatus::Exited) {
         LOG_ERROR(Kernel, "called on a terminated process instance.");
         return ERR_INVALID_STATE;
@@ -314,7 +314,7 @@ void Process::PrepareForTermination() {
             if (thread->GetOwnerProcess() != this)
                 continue;
 
-            if (thread.get() == system.CurrentScheduler().GetCurrentThread())
+            if (thread.get() == kernel.CurrentScheduler()->GetCurrentThread())
                 continue;
 
             // TODO(Subv): When are the other running/ready threads terminated?
@@ -325,7 +325,7 @@ void Process::PrepareForTermination() {
         }
     };
 
-    stop_threads(system.GlobalScheduler().GetThreadList());
+    stop_threads(system.GlobalSchedulerContext().GetThreadList());
 
     FreeTLSRegion(tls_region_address);
     tls_region_address = 0;
@@ -347,7 +347,7 @@ static auto FindTLSPageWithAvailableSlots(std::vector<TLSPage>& tls_pages) {
 }
 
 VAddr Process::CreateTLSRegion() {
-    SchedulerLock lock(system.Kernel());
+    KScopedSchedulerLock lock(system.Kernel());
     if (auto tls_page_iter{FindTLSPageWithAvailableSlots(tls_pages)};
         tls_page_iter != tls_pages.cend()) {
         return *tls_page_iter->ReserveSlot();
@@ -378,7 +378,7 @@ VAddr Process::CreateTLSRegion() {
 }
 
 void Process::FreeTLSRegion(VAddr tls_address) {
-    SchedulerLock lock(system.Kernel());
+    KScopedSchedulerLock lock(system.Kernel());
     const VAddr aligned_address = Common::AlignDown(tls_address, Core::Memory::PAGE_SIZE);
     auto iter =
         std::find_if(tls_pages.begin(), tls_pages.end(), [aligned_address](const auto& page) {

src/core/hle/kernel/process.h

@@ -216,6 +216,16 @@ public:
         total_process_running_time_ticks += ticks;
     }
 
+    /// Gets the process schedule count, used for thread yelding
+    s64 GetScheduledCount() const {
+        return schedule_count;
+    }
+
+    /// Increments the process schedule count, used for thread yielding.
+    void IncrementScheduledCount() {
+        ++schedule_count;
+    }
+
     /// Gets 8 bytes of random data for svcGetInfo RandomEntropy
     u64 GetRandomEntropy(std::size_t index) const {
         return random_entropy.at(index);
@@ -397,6 +407,9 @@ private:
     /// Name of this process
     std::string name;
 
+    /// Schedule count of this process
+    s64 schedule_count{};
+
     /// System context
     Core::System& system;
 };

src/core/hle/kernel/readable_event.cpp

@@ -6,10 +6,10 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/hle/kernel/errors.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/readable_event.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 
 namespace Kernel {
@@ -39,7 +39,7 @@ void ReadableEvent::Clear() {
 }
 
 ResultCode ReadableEvent::Reset() {
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
     if (!is_signaled) {
         LOG_TRACE(Kernel, "Handle is not signaled! object_id={}, object_type={}, object_name={}",
                   GetObjectId(), GetTypeName(), GetName());

src/core/hle/kernel/scheduler.cpp

@@ -1,819 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-//
-// SelectThreads, Yield functions originally by TuxSH.
-// licensed under GPLv2 or later under exception provided by the author.
-
-#include <algorithm>
-#include <mutex>
-#include <set>
-#include <unordered_set>
-#include <utility>
-
-#include "common/assert.h"
-#include "common/bit_util.h"
-#include "common/fiber.h"
-#include "common/logging/log.h"
-#include "core/arm/arm_interface.h"
-#include "core/core.h"
-#include "core/core_timing.h"
-#include "core/cpu_manager.h"
-#include "core/hle/kernel/kernel.h"
-#include "core/hle/kernel/physical_core.h"
-#include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
-#include "core/hle/kernel/time_manager.h"
-
-namespace Kernel {
-
-GlobalScheduler::GlobalScheduler(KernelCore& kernel) : kernel{kernel} {}
-
-GlobalScheduler::~GlobalScheduler() = default;
-
-void GlobalScheduler::AddThread(std::shared_ptr<Thread> thread) {
-    std::scoped_lock lock{global_list_guard};
-    thread_list.push_back(std::move(thread));
-}
-
-void GlobalScheduler::RemoveThread(std::shared_ptr<Thread> thread) {
-    std::scoped_lock lock{global_list_guard};
-    thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
-                      thread_list.end());
-}
-
-u32 GlobalScheduler::SelectThreads() {
-    ASSERT(is_locked);
-    const auto update_thread = [](Thread* thread, Scheduler& sched) {
-        std::scoped_lock lock{sched.guard};
-        if (thread != sched.selected_thread_set.get()) {
-            if (thread == nullptr) {
-                ++sched.idle_selection_count;
-            }
-            sched.selected_thread_set = SharedFrom(thread);
-        }
-        const bool reschedule_pending =
-            sched.is_context_switch_pending || (sched.selected_thread_set != sched.current_thread);
-        sched.is_context_switch_pending = reschedule_pending;
-        std::atomic_thread_fence(std::memory_order_seq_cst);
-        return reschedule_pending;
-    };
-    if (!is_reselection_pending.load()) {
-        return 0;
-    }
-    std::array<Thread*, Core::Hardware::NUM_CPU_CORES> top_threads{};
-
-    u32 idle_cores{};
-
-    // Step 1: Get top thread in schedule queue.
-    for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-        Thread* top_thread =
-            scheduled_queue[core].empty() ? nullptr : scheduled_queue[core].front();
-        if (top_thread != nullptr) {
-            // TODO(Blinkhawk): Implement Thread Pinning
-        } else {
-            idle_cores |= (1U << core);
-        }
-        top_threads[core] = top_thread;
-    }
-
-    while (idle_cores != 0) {
-        u32 core_id = Common::CountTrailingZeroes32(idle_cores);
-
-        if (!suggested_queue[core_id].empty()) {
-            std::array<s32, Core::Hardware::NUM_CPU_CORES> migration_candidates{};
-            std::size_t num_candidates = 0;
-            auto iter = suggested_queue[core_id].begin();
-            Thread* suggested = nullptr;
-            // Step 2: Try selecting a suggested thread.
-            while (iter != suggested_queue[core_id].end()) {
-                suggested = *iter;
-                iter++;
-                s32 suggested_core_id = suggested->GetProcessorID();
-                Thread* top_thread =
-                    suggested_core_id >= 0 ? top_threads[suggested_core_id] : nullptr;
-                if (top_thread != suggested) {
-                    if (top_thread != nullptr &&
-                        top_thread->GetPriority() < THREADPRIO_MAX_CORE_MIGRATION) {
-                        suggested = nullptr;
-                        break;
-                        // There's a too high thread to do core migration, cancel
-                    }
-                    TransferToCore(suggested->GetPriority(), static_cast<s32>(core_id), suggested);
-                    break;
-                }
-                suggested = nullptr;
-                migration_candidates[num_candidates++] = suggested_core_id;
-            }
-            // Step 3: Select a suggested thread from another core
-            if (suggested == nullptr) {
-                for (std::size_t i = 0; i < num_candidates; i++) {
-                    s32 candidate_core = migration_candidates[i];
-                    suggested = top_threads[candidate_core];
-                    auto it = scheduled_queue[candidate_core].begin();
-                    it++;
-                    Thread* next = it != scheduled_queue[candidate_core].end() ? *it : nullptr;
-                    if (next != nullptr) {
-                        TransferToCore(suggested->GetPriority(), static_cast<s32>(core_id),
-                                       suggested);
-                        top_threads[candidate_core] = next;
-                        break;
-                    } else {
-                        suggested = nullptr;
-                    }
-                }
-            }
-            top_threads[core_id] = suggested;
-        }
-
-        idle_cores &= ~(1U << core_id);
-    }
-    u32 cores_needing_context_switch{};
-    for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-        Scheduler& sched = kernel.Scheduler(core);
-        ASSERT(top_threads[core] == nullptr ||
-               static_cast<u32>(top_threads[core]->GetProcessorID()) == core);
-        if (update_thread(top_threads[core], sched)) {
-            cores_needing_context_switch |= (1U << core);
-        }
-    }
-    return cores_needing_context_switch;
-}
-
-bool GlobalScheduler::YieldThread(Thread* yielding_thread) {
-    ASSERT(is_locked);
-    // Note: caller should use critical section, etc.
-    if (!yielding_thread->IsRunnable()) {
-        // Normally this case shouldn't happen except for SetThreadActivity.
-        is_reselection_pending.store(true, std::memory_order_release);
-        return false;
-    }
-    const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID());
-    const u32 priority = yielding_thread->GetPriority();
-
-    // Yield the thread
-    Reschedule(priority, core_id, yielding_thread);
-    const Thread* const winner = scheduled_queue[core_id].front();
-    if (kernel.GetCurrentHostThreadID() != core_id) {
-        is_reselection_pending.store(true, std::memory_order_release);
-    }
-
-    return AskForReselectionOrMarkRedundant(yielding_thread, winner);
-}
-
-bool GlobalScheduler::YieldThreadAndBalanceLoad(Thread* yielding_thread) {
-    ASSERT(is_locked);
-    // Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section,
-    // etc.
-    if (!yielding_thread->IsRunnable()) {
-        // Normally this case shouldn't happen except for SetThreadActivity.
-        is_reselection_pending.store(true, std::memory_order_release);
-        return false;
-    }
-    const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID());
-    const u32 priority = yielding_thread->GetPriority();
-
-    // Yield the thread
-    Reschedule(priority, core_id, yielding_thread);
-
-    std::array<Thread*, Core::Hardware::NUM_CPU_CORES> current_threads;
-    for (std::size_t i = 0; i < current_threads.size(); i++) {
-        current_threads[i] = scheduled_queue[i].empty() ? nullptr : scheduled_queue[i].front();
-    }
-
-    Thread* next_thread = scheduled_queue[core_id].front(priority);
-    Thread* winner = nullptr;
-    for (auto& thread : suggested_queue[core_id]) {
-        const s32 source_core = thread->GetProcessorID();
-        if (source_core >= 0) {
-            if (current_threads[source_core] != nullptr) {
-                if (thread == current_threads[source_core] ||
-                    current_threads[source_core]->GetPriority() < min_regular_priority) {
-                    continue;
-                }
-            }
-        }
-        if (next_thread->GetLastRunningTicks() >= thread->GetLastRunningTicks() ||
-            next_thread->GetPriority() < thread->GetPriority()) {
-            if (thread->GetPriority() <= priority) {
-                winner = thread;
-                break;
-            }
-        }
-    }
-
-    if (winner != nullptr) {
-        if (winner != yielding_thread) {
-            TransferToCore(winner->GetPriority(), s32(core_id), winner);
-        }
-    } else {
-        winner = next_thread;
-    }
-
-    if (kernel.GetCurrentHostThreadID() != core_id) {
-        is_reselection_pending.store(true, std::memory_order_release);
-    }
-
-    return AskForReselectionOrMarkRedundant(yielding_thread, winner);
-}
-
-bool GlobalScheduler::YieldThreadAndWaitForLoadBalancing(Thread* yielding_thread) {
-    ASSERT(is_locked);
-    // Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section,
-    // etc.
-    if (!yielding_thread->IsRunnable()) {
-        // Normally this case shouldn't happen except for SetThreadActivity.
-        is_reselection_pending.store(true, std::memory_order_release);
-        return false;
-    }
-    Thread* winner = nullptr;
-    const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID());
-
-    // Remove the thread from its scheduled mlq, put it on the corresponding "suggested" one instead
-    TransferToCore(yielding_thread->GetPriority(), -1, yielding_thread);
-
-    // If the core is idle, perform load balancing, excluding the threads that have just used this
-    // function...
-    if (scheduled_queue[core_id].empty()) {
-        // Here, "current_threads" is calculated after the ""yield"", unlike yield -1
-        std::array<Thread*, Core::Hardware::NUM_CPU_CORES> current_threads;
-        for (std::size_t i = 0; i < current_threads.size(); i++) {
-            current_threads[i] = scheduled_queue[i].empty() ? nullptr : scheduled_queue[i].front();
-        }
-        for (auto& thread : suggested_queue[core_id]) {
-            const s32 source_core = thread->GetProcessorID();
-            if (source_core < 0 || thread == current_threads[source_core]) {
-                continue;
-            }
-            if (current_threads[source_core] == nullptr ||
-                current_threads[source_core]->GetPriority() >= min_regular_priority) {
-                winner = thread;
-            }
-            break;
-        }
-        if (winner != nullptr) {
-            if (winner != yielding_thread) {
-                TransferToCore(winner->GetPriority(), static_cast<s32>(core_id), winner);
-            }
-        } else {
-            winner = yielding_thread;
-        }
-    } else {
-        winner = scheduled_queue[core_id].front();
-    }
-
-    if (kernel.GetCurrentHostThreadID() != core_id) {
-        is_reselection_pending.store(true, std::memory_order_release);
-    }
-
-    return AskForReselectionOrMarkRedundant(yielding_thread, winner);
-}
-
-void GlobalScheduler::PreemptThreads() {
-    ASSERT(is_locked);
-    for (std::size_t core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
-        const u32 priority = preemption_priorities[core_id];
-
-        if (scheduled_queue[core_id].size(priority) > 0) {
-            if (scheduled_queue[core_id].size(priority) > 1) {
-                scheduled_queue[core_id].front(priority)->IncrementYieldCount();
-            }
-            scheduled_queue[core_id].yield(priority);
-            if (scheduled_queue[core_id].size(priority) > 1) {
-                scheduled_queue[core_id].front(priority)->IncrementYieldCount();
-            }
-        }
-
-        Thread* current_thread =
-            scheduled_queue[core_id].empty() ? nullptr : scheduled_queue[core_id].front();
-        Thread* winner = nullptr;
-        for (auto& thread : suggested_queue[core_id]) {
-            const s32 source_core = thread->GetProcessorID();
-            if (thread->GetPriority() != priority) {
-                continue;
-            }
-            if (source_core >= 0) {
-                Thread* next_thread = scheduled_queue[source_core].empty()
-                                          ? nullptr
-                                          : scheduled_queue[source_core].front();
-                if (next_thread != nullptr && next_thread->GetPriority() < 2) {
-                    break;
-                }
-                if (next_thread == thread) {
-                    continue;
-                }
-            }
-            if (current_thread != nullptr &&
-                current_thread->GetLastRunningTicks() >= thread->GetLastRunningTicks()) {
-                winner = thread;
-                break;
-            }
-        }
-
-        if (winner != nullptr) {
-            TransferToCore(winner->GetPriority(), s32(core_id), winner);
-            current_thread =
-                winner->GetPriority() <= current_thread->GetPriority() ? winner : current_thread;
-        }
-
-        if (current_thread != nullptr && current_thread->GetPriority() > priority) {
-            for (auto& thread : suggested_queue[core_id]) {
-                const s32 source_core = thread->GetProcessorID();
-                if (thread->GetPriority() < priority) {
-                    continue;
-                }
-                if (source_core >= 0) {
-                    Thread* next_thread = scheduled_queue[source_core].empty()
-                                              ? nullptr
-                                              : scheduled_queue[source_core].front();
-                    if (next_thread != nullptr && next_thread->GetPriority() < 2) {
-                        break;
-                    }
-                    if (next_thread == thread) {
-                        continue;
-                    }
-                }
-                if (current_thread != nullptr &&
-                    current_thread->GetLastRunningTicks() >= thread->GetLastRunningTicks()) {
-                    winner = thread;
-                    break;
-                }
-            }
-
-            if (winner != nullptr) {
-                TransferToCore(winner->GetPriority(), s32(core_id), winner);
-                current_thread = winner;
-            }
-        }
-
-        is_reselection_pending.store(true, std::memory_order_release);
-    }
-}
-
-void GlobalScheduler::EnableInterruptAndSchedule(u32 cores_pending_reschedule,
-                                                 Core::EmuThreadHandle global_thread) {
-    u32 current_core = global_thread.host_handle;
-    bool must_context_switch = global_thread.guest_handle != InvalidHandle &&
-                               (current_core < Core::Hardware::NUM_CPU_CORES);
-    while (cores_pending_reschedule != 0) {
-        u32 core = Common::CountTrailingZeroes32(cores_pending_reschedule);
-        ASSERT(core < Core::Hardware::NUM_CPU_CORES);
-        if (!must_context_switch || core != current_core) {
-            auto& phys_core = kernel.PhysicalCore(core);
-            phys_core.Interrupt();
-        } else {
-            must_context_switch = true;
-        }
-        cores_pending_reschedule &= ~(1U << core);
-    }
-    if (must_context_switch) {
-        auto& core_scheduler = kernel.CurrentScheduler();
-        kernel.ExitSVCProfile();
-        core_scheduler.TryDoContextSwitch();
-        kernel.EnterSVCProfile();
-    }
-}
-
-void GlobalScheduler::Suggest(u32 priority, std::size_t core, Thread* thread) {
-    ASSERT(is_locked);
-    suggested_queue[core].add(thread, priority);
-}
-
-void GlobalScheduler::Unsuggest(u32 priority, std::size_t core, Thread* thread) {
-    ASSERT(is_locked);
-    suggested_queue[core].remove(thread, priority);
-}
-
-void GlobalScheduler::Schedule(u32 priority, std::size_t core, Thread* thread) {
-    ASSERT(is_locked);
-    ASSERT_MSG(thread->GetProcessorID() == s32(core), "Thread must be assigned to this core.");
-    scheduled_queue[core].add(thread, priority);
-}
-
-void GlobalScheduler::SchedulePrepend(u32 priority, std::size_t core, Thread* thread) {
-    ASSERT(is_locked);
-    ASSERT_MSG(thread->GetProcessorID() == s32(core), "Thread must be assigned to this core.");
-    scheduled_queue[core].add(thread, priority, false);
-}
-
-void GlobalScheduler::Reschedule(u32 priority, std::size_t core, Thread* thread) {
-    ASSERT(is_locked);
-    scheduled_queue[core].remove(thread, priority);
-    scheduled_queue[core].add(thread, priority);
-}
-
-void GlobalScheduler::Unschedule(u32 priority, std::size_t core, Thread* thread) {
-    ASSERT(is_locked);
-    scheduled_queue[core].remove(thread, priority);
-}
-
-void GlobalScheduler::TransferToCore(u32 priority, s32 destination_core, Thread* thread) {
-    ASSERT(is_locked);
-    const bool schedulable = thread->GetPriority() < THREADPRIO_COUNT;
-    const s32 source_core = thread->GetProcessorID();
-    if (source_core == destination_core || !schedulable) {
-        return;
-    }
-    thread->SetProcessorID(destination_core);
-    if (source_core >= 0) {
-        Unschedule(priority, static_cast<u32>(source_core), thread);
-    }
-    if (destination_core >= 0) {
-        Unsuggest(priority, static_cast<u32>(destination_core), thread);
-        Schedule(priority, static_cast<u32>(destination_core), thread);
-    }
-    if (source_core >= 0) {
-        Suggest(priority, static_cast<u32>(source_core), thread);
-    }
-}
-
-bool GlobalScheduler::AskForReselectionOrMarkRedundant(Thread* current_thread,
-                                                       const Thread* winner) {
-    if (current_thread == winner) {
-        current_thread->IncrementYieldCount();
-        return true;
-    } else {
-        is_reselection_pending.store(true, std::memory_order_release);
-        return false;
-    }
-}
-
-void GlobalScheduler::AdjustSchedulingOnStatus(Thread* thread, u32 old_flags) {
-    if (old_flags == thread->scheduling_state) {
-        return;
-    }
-    ASSERT(is_locked);
-
-    if (old_flags == static_cast<u32>(ThreadSchedStatus::Runnable)) {
-        // In this case the thread was running, now it's pausing/exitting
-        if (thread->processor_id >= 0) {
-            Unschedule(thread->current_priority, static_cast<u32>(thread->processor_id), thread);
-        }
-
-        for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-            if (core != static_cast<u32>(thread->processor_id) &&
-                ((thread->affinity_mask >> core) & 1) != 0) {
-                Unsuggest(thread->current_priority, core, thread);
-            }
-        }
-    } else if (thread->scheduling_state == static_cast<u32>(ThreadSchedStatus::Runnable)) {
-        // The thread is now set to running from being stopped
-        if (thread->processor_id >= 0) {
-            Schedule(thread->current_priority, static_cast<u32>(thread->processor_id), thread);
-        }
-
-        for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-            if (core != static_cast<u32>(thread->processor_id) &&
-                ((thread->affinity_mask >> core) & 1) != 0) {
-                Suggest(thread->current_priority, core, thread);
-            }
-        }
-    }
-
-    SetReselectionPending();
-}
-
-void GlobalScheduler::AdjustSchedulingOnPriority(Thread* thread, u32 old_priority) {
-    if (thread->scheduling_state != static_cast<u32>(ThreadSchedStatus::Runnable)) {
-        return;
-    }
-    ASSERT(is_locked);
-    if (thread->processor_id >= 0) {
-        Unschedule(old_priority, static_cast<u32>(thread->processor_id), thread);
-    }
-
-    for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-        if (core != static_cast<u32>(thread->processor_id) &&
-            ((thread->affinity_mask >> core) & 1) != 0) {
-            Unsuggest(old_priority, core, thread);
-        }
-    }
-
-    if (thread->processor_id >= 0) {
-        if (thread == kernel.CurrentScheduler().GetCurrentThread()) {
-            SchedulePrepend(thread->current_priority, static_cast<u32>(thread->processor_id),
-                            thread);
-        } else {
-            Schedule(thread->current_priority, static_cast<u32>(thread->processor_id), thread);
-        }
-    }
-
-    for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-        if (core != static_cast<u32>(thread->processor_id) &&
-            ((thread->affinity_mask >> core) & 1) != 0) {
-            Suggest(thread->current_priority, core, thread);
-        }
-    }
-    thread->IncrementYieldCount();
-    SetReselectionPending();
-}
-
-void GlobalScheduler::AdjustSchedulingOnAffinity(Thread* thread, u64 old_affinity_mask,
-                                                 s32 old_core) {
-    if (thread->scheduling_state != static_cast<u32>(ThreadSchedStatus::Runnable) ||
-        thread->current_priority >= THREADPRIO_COUNT) {
-        return;
-    }
-    ASSERT(is_locked);
-
-    for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-        if (((old_affinity_mask >> core) & 1) != 0) {
-            if (core == static_cast<u32>(old_core)) {
-                Unschedule(thread->current_priority, core, thread);
-            } else {
-                Unsuggest(thread->current_priority, core, thread);
-            }
-        }
-    }
-
-    for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-        if (((thread->affinity_mask >> core) & 1) != 0) {
-            if (core == static_cast<u32>(thread->processor_id)) {
-                Schedule(thread->current_priority, core, thread);
-            } else {
-                Suggest(thread->current_priority, core, thread);
-            }
-        }
-    }
-
-    thread->IncrementYieldCount();
-    SetReselectionPending();
-}
-
-void GlobalScheduler::Shutdown() {
-    for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
-        scheduled_queue[core].clear();
-        suggested_queue[core].clear();
-    }
-    thread_list.clear();
-}
-
-void GlobalScheduler::Lock() {
-    Core::EmuThreadHandle current_thread = kernel.GetCurrentEmuThreadID();
-    ASSERT(!current_thread.IsInvalid());
-    if (current_thread == current_owner) {
-        ++scope_lock;
-    } else {
-        inner_lock.lock();
-        is_locked = true;
-        current_owner = current_thread;
-        ASSERT(current_owner != Core::EmuThreadHandle::InvalidHandle());
-        scope_lock = 1;
-    }
-}
-
-void GlobalScheduler::Unlock() {
-    if (--scope_lock != 0) {
-        ASSERT(scope_lock > 0);
-        return;
-    }
-    u32 cores_pending_reschedule = SelectThreads();
-    Core::EmuThreadHandle leaving_thread = current_owner;
-    current_owner = Core::EmuThreadHandle::InvalidHandle();
-    scope_lock = 1;
-    is_locked = false;
-    inner_lock.unlock();
-    EnableInterruptAndSchedule(cores_pending_reschedule, leaving_thread);
-}
-
-Scheduler::Scheduler(Core::System& system, std::size_t core_id) : system(system), core_id(core_id) {
-    switch_fiber = std::make_shared<Common::Fiber>(std::function<void(void*)>(OnSwitch), this);
-}
-
-Scheduler::~Scheduler() = default;
-
-bool Scheduler::HaveReadyThreads() const {
-    return system.GlobalScheduler().HaveReadyThreads(core_id);
-}
-
-Thread* Scheduler::GetCurrentThread() const {
-    if (current_thread) {
-        return current_thread.get();
-    }
-    return idle_thread.get();
-}
-
-Thread* Scheduler::GetSelectedThread() const {
-    return selected_thread.get();
-}
-
-u64 Scheduler::GetLastContextSwitchTicks() const {
-    return last_context_switch_time;
-}
-
-void Scheduler::TryDoContextSwitch() {
-    auto& phys_core = system.Kernel().CurrentPhysicalCore();
-    if (phys_core.IsInterrupted()) {
-        phys_core.ClearInterrupt();
-    }
-    guard.lock();
-    if (is_context_switch_pending) {
-        SwitchContext();
-    } else {
-        guard.unlock();
-    }
-}
-
-void Scheduler::OnThreadStart() {
-    SwitchContextStep2();
-}
-
-void Scheduler::Unload(Thread* thread) {
-    if (thread) {
-        thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
-        thread->SetIsRunning(false);
-        if (thread->IsContinuousOnSVC() && !thread->IsHLEThread()) {
-            system.ArmInterface(core_id).ExceptionalExit();
-            thread->SetContinuousOnSVC(false);
-        }
-        if (!thread->IsHLEThread() && !thread->HasExited()) {
-            Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
-            cpu_core.SaveContext(thread->GetContext32());
-            cpu_core.SaveContext(thread->GetContext64());
-            // Save the TPIDR_EL0 system register in case it was modified.
-            thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
-            cpu_core.ClearExclusiveState();
-        }
-        thread->context_guard.unlock();
-    }
-}
-
-void Scheduler::Unload() {
-    Unload(current_thread.get());
-}
-
-void Scheduler::Reload(Thread* thread) {
-    if (thread) {
-        ASSERT_MSG(thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable,
-                   "Thread must be runnable.");
-
-        // Cancel any outstanding wakeup events for this thread
-        thread->SetIsRunning(true);
-        thread->SetWasRunning(false);
-        thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
-
-        auto* const thread_owner_process = thread->GetOwnerProcess();
-        if (thread_owner_process != nullptr) {
-            system.Kernel().MakeCurrentProcess(thread_owner_process);
-        }
-        if (!thread->IsHLEThread()) {
-            Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
-            cpu_core.LoadContext(thread->GetContext32());
-            cpu_core.LoadContext(thread->GetContext64());
-            cpu_core.SetTlsAddress(thread->GetTLSAddress());
-            cpu_core.SetTPIDR_EL0(thread->GetTPIDR_EL0());
-            cpu_core.ClearExclusiveState();
-        }
-    }
-}
-
-void Scheduler::Reload() {
-    Reload(current_thread.get());
-}
-
-void Scheduler::SwitchContextStep2() {
-    // Load context of new thread
-    Reload(selected_thread.get());
-
-    TryDoContextSwitch();
-}
-
-void Scheduler::SwitchContext() {
-    current_thread_prev = current_thread;
-    selected_thread = selected_thread_set;
-    Thread* previous_thread = current_thread_prev.get();
-    Thread* new_thread = selected_thread.get();
-    current_thread = selected_thread;
-
-    is_context_switch_pending = false;
-
-    if (new_thread == previous_thread) {
-        guard.unlock();
-        return;
-    }
-
-    Process* const previous_process = system.Kernel().CurrentProcess();
-
-    UpdateLastContextSwitchTime(previous_thread, previous_process);
-
-    // Save context for previous thread
-    Unload(previous_thread);
-
-    std::shared_ptr<Common::Fiber>* old_context;
-    if (previous_thread != nullptr) {
-        old_context = &previous_thread->GetHostContext();
-    } else {
-        old_context = &idle_thread->GetHostContext();
-    }
-    guard.unlock();
-
-    Common::Fiber::YieldTo(*old_context, switch_fiber);
-    /// When a thread wakes up, the scheduler may have changed to other in another core.
-    auto& next_scheduler = system.Kernel().CurrentScheduler();
-    next_scheduler.SwitchContextStep2();
-}
-
-void Scheduler::OnSwitch(void* this_scheduler) {
-    Scheduler* sched = static_cast<Scheduler*>(this_scheduler);
-    sched->SwitchToCurrent();
-}
-
-void Scheduler::SwitchToCurrent() {
-    while (true) {
-        {
-            std::scoped_lock lock{guard};
-            selected_thread = selected_thread_set;
-            current_thread = selected_thread;
-            is_context_switch_pending = false;
-        }
-        const auto is_switch_pending = [this] {
-            std::scoped_lock lock{guard};
-            return is_context_switch_pending;
-        };
-        do {
-            if (current_thread != nullptr && !current_thread->IsHLEThread()) {
-                current_thread->context_guard.lock();
-                if (!current_thread->IsRunnable()) {
-                    current_thread->context_guard.unlock();
-                    break;
-                }
-                if (static_cast<u32>(current_thread->GetProcessorID()) != core_id) {
-                    current_thread->context_guard.unlock();
-                    break;
-                }
-            }
-            std::shared_ptr<Common::Fiber>* next_context;
-            if (current_thread != nullptr) {
-                next_context = &current_thread->GetHostContext();
-            } else {
-                next_context = &idle_thread->GetHostContext();
-            }
-            Common::Fiber::YieldTo(switch_fiber, *next_context);
-        } while (!is_switch_pending());
-    }
-}
-
-void Scheduler::UpdateLastContextSwitchTime(Thread* thread, Process* process) {
-    const u64 prev_switch_ticks = last_context_switch_time;
-    const u64 most_recent_switch_ticks = system.CoreTiming().GetCPUTicks();
-    const u64 update_ticks = most_recent_switch_ticks - prev_switch_ticks;
-
-    if (thread != nullptr) {
-        thread->UpdateCPUTimeTicks(update_ticks);
-    }
-
-    if (process != nullptr) {
-        process->UpdateCPUTimeTicks(update_ticks);
-    }
-
-    last_context_switch_time = most_recent_switch_ticks;
-}
-
-void Scheduler::Initialize() {
-    std::string name = "Idle Thread Id:" + std::to_string(core_id);
-    std::function<void(void*)> init_func = Core::CpuManager::GetIdleThreadStartFunc();
-    void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
-    ThreadType type = static_cast<ThreadType>(THREADTYPE_KERNEL | THREADTYPE_HLE | THREADTYPE_IDLE);
-    auto thread_res = Thread::Create(system, type, name, 0, 64, 0, static_cast<u32>(core_id), 0,
-                                     nullptr, std::move(init_func), init_func_parameter);
-    idle_thread = std::move(thread_res).Unwrap();
-}
-
-void Scheduler::Shutdown() {
-    current_thread = nullptr;
-    selected_thread = nullptr;
-}
-
-SchedulerLock::SchedulerLock(KernelCore& kernel) : kernel{kernel} {
-    kernel.GlobalScheduler().Lock();
-}
-
-SchedulerLock::~SchedulerLock() {
-    kernel.GlobalScheduler().Unlock();
-}
-
-SchedulerLockAndSleep::SchedulerLockAndSleep(KernelCore& kernel, Handle& event_handle,
-                                             Thread* time_task, s64 nanoseconds)
-    : SchedulerLock{kernel}, event_handle{event_handle}, time_task{time_task}, nanoseconds{
-                                                                                   nanoseconds} {
-    event_handle = InvalidHandle;
-}
-
-SchedulerLockAndSleep::~SchedulerLockAndSleep() {
-    if (sleep_cancelled) {
-        return;
-    }
-    auto& time_manager = kernel.TimeManager();
-    time_manager.ScheduleTimeEvent(event_handle, time_task, nanoseconds);
-}
-
-void SchedulerLockAndSleep::Release() {
-    if (sleep_cancelled) {
-        return;
-    }
-    auto& time_manager = kernel.TimeManager();
-    time_manager.ScheduleTimeEvent(event_handle, time_task, nanoseconds);
-    sleep_cancelled = true;
-}
-
-} // namespace Kernel

src/core/hle/kernel/scheduler.h

@@ -1,320 +0,0 @@
-// Copyright 2018 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <atomic>
-#include <memory>
-#include <mutex>
-#include <vector>
-
-#include "common/common_types.h"
-#include "common/multi_level_queue.h"
-#include "common/spin_lock.h"
-#include "core/hardware_properties.h"
-#include "core/hle/kernel/thread.h"
-
-namespace Common {
-class Fiber;
-}
-
-namespace Core {
-class ARM_Interface;
-class System;
-} // namespace Core
-
-namespace Kernel {
-
-class KernelCore;
-class Process;
-class SchedulerLock;
-
-class GlobalScheduler final {
-public:
-    explicit GlobalScheduler(KernelCore& kernel);
-    ~GlobalScheduler();
-
-    /// Adds a new thread to the scheduler
-    void AddThread(std::shared_ptr<Thread> thread);
-
-    /// Removes a thread from the scheduler
-    void RemoveThread(std::shared_ptr<Thread> thread);
-
-    /// Returns a list of all threads managed by the scheduler
-    const std::vector<std::shared_ptr<Thread>>& GetThreadList() const {
-        return thread_list;
-    }
-
-    /// Notify the scheduler a thread's status has changed.
-    void AdjustSchedulingOnStatus(Thread* thread, u32 old_flags);
-
-    /// Notify the scheduler a thread's priority has changed.
-    void AdjustSchedulingOnPriority(Thread* thread, u32 old_priority);
-
-    /// Notify the scheduler a thread's core and/or affinity mask has changed.
-    void AdjustSchedulingOnAffinity(Thread* thread, u64 old_affinity_mask, s32 old_core);
-
-    /**
-     * Takes care of selecting the new scheduled threads in three steps:
-     *
-     * 1. First a thread is selected from the top of the priority queue. If no thread
-     *    is obtained then we move to step two, else we are done.
-     *
-     * 2. Second we try to get a suggested thread that's not assigned to any core or
-     *    that is not the top thread in that core.
-     *
-     * 3. Third is no suggested thread is found, we do a second pass and pick a running
-     *    thread in another core and swap it with its current thread.
-     *
-     * returns the cores needing scheduling.
-     */
-    u32 SelectThreads();
-
-    bool HaveReadyThreads(std::size_t core_id) const {
-        return !scheduled_queue[core_id].empty();
-    }
-
-    /**
-     * Takes a thread and moves it to the back of the it's priority list.
-     *
-     * @note This operation can be redundant and no scheduling is changed if marked as so.
-     */
-    bool YieldThread(Thread* thread);
-
-    /**
-     * Takes a thread and moves it to the back of the it's priority list.
-     * Afterwards, tries to pick a suggested thread from the suggested queue that has worse time or
-     * a better priority than the next thread in the core.
-     *
-     * @note This operation can be redundant and no scheduling is changed if marked as so.
-     */
-    bool YieldThreadAndBalanceLoad(Thread* thread);
-
-    /**
-     * Takes a thread and moves it out of the scheduling queue.
-     * and into the suggested queue. If no thread can be scheduled afterwards in that core,
-     * a suggested thread is obtained instead.
-     *
-     * @note This operation can be redundant and no scheduling is changed if marked as so.
-     */
-    bool YieldThreadAndWaitForLoadBalancing(Thread* thread);
-
-    /**
-     * Rotates the scheduling queues of threads at a preemption priority and then does
-     * some core rebalancing. Preemption priorities can be found in the array
-     * 'preemption_priorities'.
-     *
-     * @note This operation happens every 10ms.
-     */
-    void PreemptThreads();
-
-    u32 CpuCoresCount() const {
-        return Core::Hardware::NUM_CPU_CORES;
-    }
-
-    void SetReselectionPending() {
-        is_reselection_pending.store(true, std::memory_order_release);
-    }
-
-    bool IsReselectionPending() const {
-        return is_reselection_pending.load(std::memory_order_acquire);
-    }
-
-    void Shutdown();
-
-private:
-    friend class SchedulerLock;
-
-    /// Lock the scheduler to the current thread.
-    void Lock();
-
-    /// Unlocks the scheduler, reselects threads, interrupts cores for rescheduling
-    /// and reschedules current core if needed.
-    void Unlock();
-
-    void EnableInterruptAndSchedule(u32 cores_pending_reschedule,
-                                    Core::EmuThreadHandle global_thread);
-
-    /**
-     * Add a thread to the suggested queue of a cpu core. Suggested threads may be
-     * picked if no thread is scheduled to run on the core.
-     */
-    void Suggest(u32 priority, std::size_t core, Thread* thread);
-
-    /**
-     * Remove a thread to the suggested queue of a cpu core. Suggested threads may be
-     * picked if no thread is scheduled to run on the core.
-     */
-    void Unsuggest(u32 priority, std::size_t core, Thread* thread);
-
-    /**
-     * Add a thread to the scheduling queue of a cpu core. The thread is added at the
-     * back the queue in its priority level.
-     */
-    void Schedule(u32 priority, std::size_t core, Thread* thread);
-
-    /**
-     * Add a thread to the scheduling queue of a cpu core. The thread is added at the
-     * front the queue in its priority level.
-     */
-    void SchedulePrepend(u32 priority, std::size_t core, Thread* thread);
-
-    /// Reschedule an already scheduled thread based on a new priority
-    void Reschedule(u32 priority, std::size_t core, Thread* thread);
-
-    /// Unschedules a thread.
-    void Unschedule(u32 priority, std::size_t core, Thread* thread);
-
-    /**
-     * Transfers a thread into an specific core. If the destination_core is -1
-     * it will be unscheduled from its source code and added into its suggested
-     * queue.
-     */
-    void TransferToCore(u32 priority, s32 destination_core, Thread* thread);
-
-    bool AskForReselectionOrMarkRedundant(Thread* current_thread, const Thread* winner);
-
-    static constexpr u32 min_regular_priority = 2;
-    std::array<Common::MultiLevelQueue<Thread*, THREADPRIO_COUNT>, Core::Hardware::NUM_CPU_CORES>
-        scheduled_queue;
-    std::array<Common::MultiLevelQueue<Thread*, THREADPRIO_COUNT>, Core::Hardware::NUM_CPU_CORES>
-        suggested_queue;
-    std::atomic<bool> is_reselection_pending{false};
-
-    // The priority levels at which the global scheduler preempts threads every 10 ms. They are
-    // ordered from Core 0 to Core 3.
-    std::array<u32, Core::Hardware::NUM_CPU_CORES> preemption_priorities = {59, 59, 59, 62};
-
-    /// Scheduler lock mechanisms.
-    bool is_locked{};
-    std::mutex inner_lock;
-    std::atomic<s64> scope_lock{};
-    Core::EmuThreadHandle current_owner{Core::EmuThreadHandle::InvalidHandle()};
-
-    Common::SpinLock global_list_guard{};
-
-    /// Lists all thread ids that aren't deleted/etc.
-    std::vector<std::shared_ptr<Thread>> thread_list;
-    KernelCore& kernel;
-};
-
-class Scheduler final {
-public:
-    explicit Scheduler(Core::System& system, std::size_t core_id);
-    ~Scheduler();
-
-    /// Returns whether there are any threads that are ready to run.
-    bool HaveReadyThreads() const;
-
-    /// Reschedules to the next available thread (call after current thread is suspended)
-    void TryDoContextSwitch();
-
-    /// The next two are for SingleCore Only.
-    /// Unload current thread before preempting core.
-    void Unload(Thread* thread);
-    void Unload();
-    /// Reload current thread after core preemption.
-    void Reload(Thread* thread);
-    void Reload();
-
-    /// Gets the current running thread
-    Thread* GetCurrentThread() const;
-
-    /// Gets the currently selected thread from the top of the multilevel queue
-    Thread* GetSelectedThread() const;
-
-    /// Gets the timestamp for the last context switch in ticks.
-    u64 GetLastContextSwitchTicks() const;
-
-    bool ContextSwitchPending() const {
-        return is_context_switch_pending;
-    }
-
-    void Initialize();
-
-    /// Shutdowns the scheduler.
-    void Shutdown();
-
-    void OnThreadStart();
-
-    std::shared_ptr<Common::Fiber>& ControlContext() {
-        return switch_fiber;
-    }
-
-    const std::shared_ptr<Common::Fiber>& ControlContext() const {
-        return switch_fiber;
-    }
-
-private:
-    friend class GlobalScheduler;
-
-    /// Switches the CPU's active thread context to that of the specified thread
-    void SwitchContext();
-
-    /// When a thread wakes up, it must run this through it's new scheduler
-    void SwitchContextStep2();
-
-    /**
-     * Called on every context switch to update the internal timestamp
-     * This also updates the running time ticks for the given thread and
-     * process using the following difference:
-     *
-     * ticks += most_recent_ticks - last_context_switch_ticks
-     *
-     * The internal tick timestamp for the scheduler is simply the
-     * most recent tick count retrieved. No special arithmetic is
-     * applied to it.
-     */
-    void UpdateLastContextSwitchTime(Thread* thread, Process* process);
-
-    static void OnSwitch(void* this_scheduler);
-    void SwitchToCurrent();
-
-    std::shared_ptr<Thread> current_thread = nullptr;
-    std::shared_ptr<Thread> selected_thread = nullptr;
-    std::shared_ptr<Thread> current_thread_prev = nullptr;
-    std::shared_ptr<Thread> selected_thread_set = nullptr;
-    std::shared_ptr<Thread> idle_thread = nullptr;
-
-    std::shared_ptr<Common::Fiber> switch_fiber = nullptr;
-
-    Core::System& system;
-    u64 last_context_switch_time = 0;
-    u64 idle_selection_count = 0;
-    const std::size_t core_id;
-
-    Common::SpinLock guard{};
-
-    bool is_context_switch_pending = false;
-};
-
-class SchedulerLock {
-public:
-    [[nodiscard]] explicit SchedulerLock(KernelCore& kernel);
-    ~SchedulerLock();
-
-protected:
-    KernelCore& kernel;
-};
-
-class SchedulerLockAndSleep : public SchedulerLock {
-public:
-    explicit SchedulerLockAndSleep(KernelCore& kernel, Handle& event_handle, Thread* time_task,
-                                   s64 nanoseconds);
-    ~SchedulerLockAndSleep();
-
-    void CancelSleep() {
-        sleep_cancelled = true;
-    }
-
-    void Release();
-
-private:
-    Handle& event_handle;
-    Thread* time_task;
-    s64 nanoseconds;
-    bool sleep_cancelled{};
-};
-
-} // namespace Kernel

src/core/hle/kernel/server_session.cpp

@@ -14,9 +14,9 @@
 #include "core/hle/kernel/client_session.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/server_session.h"
 #include "core/hle/kernel/session.h"
 #include "core/hle/kernel/thread.h"
@@ -170,7 +170,7 @@ ResultCode ServerSession::CompleteSyncRequest() {
 
     // Some service requests require the thread to block
     {
-        SchedulerLock lock(kernel);
+        KScopedSchedulerLock lock(kernel);
         if (!context.IsThreadWaiting()) {
             context.GetThread().ResumeFromWait();
             context.GetThread().SetSynchronizationResults(nullptr, result);

src/core/hle/kernel/svc.cpp

@@ -24,6 +24,8 @@
 #include "core/hle/kernel/client_session.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/memory/memory_block.h"
 #include "core/hle/kernel/memory/page_table.h"
@@ -32,7 +34,6 @@
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/resource_limit.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/shared_memory.h"
 #include "core/hle/kernel/svc.h"
 #include "core/hle/kernel/svc_types.h"
@@ -329,7 +330,8 @@ static ResultCode ConnectToNamedPort32(Core::System& system, Handle* out_handle,
 
 /// Makes a blocking IPC call to an OS service.
 static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
-    const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
+    auto& kernel = system.Kernel();
+    const auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
     std::shared_ptr<ClientSession> session = handle_table.Get<ClientSession>(handle);
     if (!session) {
         LOG_ERROR(Kernel_SVC, "called with invalid handle=0x{:08X}", handle);
@@ -338,9 +340,9 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
 
     LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName());
 
-    auto thread = system.CurrentScheduler().GetCurrentThread();
+    auto thread = kernel.CurrentScheduler()->GetCurrentThread();
     {
-        SchedulerLock lock(system.Kernel());
+        KScopedSchedulerLock lock(kernel);
         thread->InvalidateHLECallback();
         thread->SetStatus(ThreadStatus::WaitIPC);
         session->SendSyncRequest(SharedFrom(thread), system.Memory(), system.CoreTiming());
@@ -349,12 +351,12 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
     if (thread->HasHLECallback()) {
         Handle event_handle = thread->GetHLETimeEvent();
         if (event_handle != InvalidHandle) {
-            auto& time_manager = system.Kernel().TimeManager();
+            auto& time_manager = kernel.TimeManager();
             time_manager.UnscheduleTimeEvent(event_handle);
         }
 
         {
-            SchedulerLock lock(system.Kernel());
+            KScopedSchedulerLock lock(kernel);
             auto* sync_object = thread->GetHLESyncObject();
             sync_object->RemoveWaitingThread(SharedFrom(thread));
         }
@@ -654,7 +656,6 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
         info2, has_dumped_buffer ? std::make_optional(debug_buffer) : std::nullopt);
 
     if (!break_reason.signal_debugger) {
-        SchedulerLock lock(system.Kernel());
         LOG_CRITICAL(
             Debug_Emulated,
             "Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}",
@@ -662,13 +663,9 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
 
         handle_debug_buffer(info1, info2);
 
-        auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
+        auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
         const auto thread_processor_id = current_thread->GetProcessorID();
         system.ArmInterface(static_cast<std::size_t>(thread_processor_id)).LogBacktrace();
-
-        // Kill the current thread
-        system.Kernel().ExceptionalExit();
-        current_thread->Stop();
     }
 }
 
@@ -918,7 +915,7 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
         }
 
         const auto& core_timing = system.CoreTiming();
-        const auto& scheduler = system.CurrentScheduler();
+        const auto& scheduler = *system.Kernel().CurrentScheduler();
         const auto* const current_thread = scheduler.GetCurrentThread();
         const bool same_thread = current_thread == thread.get();
 
@@ -1086,7 +1083,7 @@ static ResultCode SetThreadActivity(Core::System& system, Handle handle, u32 act
         return ERR_INVALID_HANDLE;
     }
 
-    if (thread.get() == system.CurrentScheduler().GetCurrentThread()) {
+    if (thread.get() == system.Kernel().CurrentScheduler()->GetCurrentThread()) {
         LOG_ERROR(Kernel_SVC, "The thread handle specified is the current running thread");
         return ERR_BUSY;
     }
@@ -1119,7 +1116,7 @@ static ResultCode GetThreadContext(Core::System& system, VAddr thread_context, H
         return ERR_INVALID_HANDLE;
     }
 
-    if (thread.get() == system.CurrentScheduler().GetCurrentThread()) {
+    if (thread.get() == system.Kernel().CurrentScheduler()->GetCurrentThread()) {
         LOG_ERROR(Kernel_SVC, "The thread handle specified is the current running thread");
         return ERR_BUSY;
     }
@@ -1475,7 +1472,7 @@ static void ExitProcess(Core::System& system) {
     current_process->PrepareForTermination();
 
     // Kill the current thread
-    system.CurrentScheduler().GetCurrentThread()->Stop();
+    system.Kernel().CurrentScheduler()->GetCurrentThread()->Stop();
 }
 
 static void ExitProcess32(Core::System& system) {
@@ -1575,8 +1572,8 @@ static ResultCode StartThread32(Core::System& system, Handle thread_handle) {
 static void ExitThread(Core::System& system) {
     LOG_DEBUG(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC());
 
-    auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
-    system.GlobalScheduler().RemoveThread(SharedFrom(current_thread));
+    auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
+    system.GlobalSchedulerContext().RemoveThread(SharedFrom(current_thread));
     current_thread->Stop();
 }
 
@@ -1586,47 +1583,34 @@ static void ExitThread32(Core::System& system) {
 
 /// Sleep the current thread
 static void SleepThread(Core::System& system, s64 nanoseconds) {
-    LOG_DEBUG(Kernel_SVC, "called nanoseconds={}", nanoseconds);
+    LOG_TRACE(Kernel_SVC, "called nanoseconds={}", nanoseconds);
 
     enum class SleepType : s64 {
-        YieldWithoutLoadBalancing = 0,
-        YieldWithLoadBalancing = -1,
+        YieldWithoutCoreMigration = 0,
+        YieldWithCoreMigration = -1,
         YieldAndWaitForLoadBalancing = -2,
     };
 
-    auto& scheduler = system.CurrentScheduler();
-    auto* const current_thread = scheduler.GetCurrentThread();
-    bool is_redundant = false;
-
+    auto& scheduler = *system.Kernel().CurrentScheduler();
     if (nanoseconds <= 0) {
         switch (static_cast<SleepType>(nanoseconds)) {
-        case SleepType::YieldWithoutLoadBalancing: {
-            auto pair = current_thread->YieldSimple();
-            is_redundant = pair.second;
+        case SleepType::YieldWithoutCoreMigration: {
+            scheduler.YieldWithoutCoreMigration();
             break;
         }
-        case SleepType::YieldWithLoadBalancing: {
-            auto pair = current_thread->YieldAndBalanceLoad();
-            is_redundant = pair.second;
+        case SleepType::YieldWithCoreMigration: {
+            scheduler.YieldWithCoreMigration();
             break;
         }
         case SleepType::YieldAndWaitForLoadBalancing: {
-            auto pair = current_thread->YieldAndWaitForLoadBalancing();
-            is_redundant = pair.second;
+            scheduler.YieldToAnyThread();
             break;
         }
         default:
             UNREACHABLE_MSG("Unimplemented sleep yield type '{:016X}'!", nanoseconds);
         }
     } else {
-        current_thread->Sleep(nanoseconds);
-    }
-
-    if (is_redundant && !system.Kernel().IsMulticore()) {
-        system.Kernel().ExitSVCProfile();
-        system.CoreTiming().AddTicks(1000U);
-        system.GetCpuManager().PreemptSingleCore();
-        system.Kernel().EnterSVCProfile();
+        scheduler.GetCurrentThread()->Sleep(nanoseconds);
     }
 }
 
@@ -1661,10 +1645,10 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
     ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4));
     auto& kernel = system.Kernel();
     Handle event_handle;
-    Thread* current_thread = system.CurrentScheduler().GetCurrentThread();
-    auto* const current_process = system.Kernel().CurrentProcess();
+    Thread* current_thread = kernel.CurrentScheduler()->GetCurrentThread();
+    auto* const current_process = kernel.CurrentProcess();
     {
-        SchedulerLockAndSleep lock(kernel, event_handle, current_thread, nano_seconds);
+        KScopedSchedulerLockAndSleep lock(kernel, event_handle, current_thread, nano_seconds);
         const auto& handle_table = current_process->GetHandleTable();
         std::shared_ptr<Thread> thread = handle_table.Get<Thread>(thread_handle);
         ASSERT(thread);
@@ -1700,7 +1684,7 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
     }
 
     {
-        SchedulerLock lock(kernel);
+        KScopedSchedulerLock lock(kernel);
 
         auto* owner = current_thread->GetLockOwner();
         if (owner != nullptr) {
@@ -1731,7 +1715,7 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_
 
     // Retrieve a list of all threads that are waiting for this condition variable.
     auto& kernel = system.Kernel();
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
     auto* const current_process = kernel.CurrentProcess();
     std::vector<std::shared_ptr<Thread>> waiting_threads =
         current_process->GetConditionVariableThreads(condition_variable_addr);
@@ -1993,7 +1977,7 @@ static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle,
     }
 
     *core = thread->GetIdealCore();
-    *mask = thread->GetAffinityMask();
+    *mask = thread->GetAffinityMask().GetAffinityMask();
 
     return RESULT_SUCCESS;
 }
@@ -2629,7 +2613,7 @@ void Call(Core::System& system, u32 immediate) {
     auto& kernel = system.Kernel();
     kernel.EnterSVCProfile();
 
-    auto* thread = system.CurrentScheduler().GetCurrentThread();
+    auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
     thread->SetContinuousOnSVC(true);
 
     const FunctionDef* info = system.CurrentProcess()->Is64BitProcess() ? GetSVCInfo64(immediate)

src/core/hle/kernel/synchronization.cpp

@@ -5,8 +5,9 @@
 #include "core/core.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/kernel.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/synchronization.h"
 #include "core/hle/kernel/synchronization_object.h"
 #include "core/hle/kernel/thread.h"
@@ -18,7 +19,7 @@ Synchronization::Synchronization(Core::System& system) : system{system} {}
 
 void Synchronization::SignalObject(SynchronizationObject& obj) const {
     auto& kernel = system.Kernel();
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
     if (obj.IsSignaled()) {
         for (auto thread : obj.GetWaitingThreads()) {
             if (thread->GetSchedulingStatus() == ThreadSchedStatus::Paused) {
@@ -37,10 +38,10 @@ void Synchronization::SignalObject(SynchronizationObject& obj) const {
 std::pair<ResultCode, Handle> Synchronization::WaitFor(
     std::vector<std::shared_ptr<SynchronizationObject>>& sync_objects, s64 nano_seconds) {
     auto& kernel = system.Kernel();
-    auto* const thread = system.CurrentScheduler().GetCurrentThread();
+    auto* const thread = kernel.CurrentScheduler()->GetCurrentThread();
     Handle event_handle = InvalidHandle;
     {
-        SchedulerLockAndSleep lock(kernel, event_handle, thread, nano_seconds);
+        KScopedSchedulerLockAndSleep lock(kernel, event_handle, thread, nano_seconds);
         const auto itr =
             std::find_if(sync_objects.begin(), sync_objects.end(),
                          [thread](const std::shared_ptr<SynchronizationObject>& object) {
@@ -89,7 +90,7 @@ std::pair<ResultCode, Handle> Synchronization::WaitFor(
     }
 
     {
-        SchedulerLock lock(kernel);
+        KScopedSchedulerLock lock(kernel);
         ResultCode signaling_result = thread->GetSignalingResult();
         SynchronizationObject* signaling_object = thread->GetSignalingObject();
         thread->SetSynchronizationObjects(nullptr);

src/core/hle/kernel/thread.cpp

@@ -17,10 +17,11 @@
 #include "core/hardware_properties.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/time_manager.h"
 #include "core/hle/result.h"
@@ -50,7 +51,7 @@ Thread::~Thread() = default;
 
 void Thread::Stop() {
     {
-        SchedulerLock lock(kernel);
+        KScopedSchedulerLock lock(kernel);
         SetStatus(ThreadStatus::Dead);
         Signal();
         kernel.GlobalHandleTable().Close(global_handle);
@@ -67,7 +68,7 @@ void Thread::Stop() {
 }
 
 void Thread::ResumeFromWait() {
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
     switch (status) {
     case ThreadStatus::Paused:
     case ThreadStatus::WaitSynch:
@@ -99,19 +100,18 @@ void Thread::ResumeFromWait() {
 }
 
 void Thread::OnWakeUp() {
-    SchedulerLock lock(kernel);
-
+    KScopedSchedulerLock lock(kernel);
     SetStatus(ThreadStatus::Ready);
 }
 
 ResultCode Thread::Start() {
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
     SetStatus(ThreadStatus::Ready);
     return RESULT_SUCCESS;
 }
 
 void Thread::CancelWait() {
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
     if (GetSchedulingStatus() != ThreadSchedStatus::Paused || !is_waiting_on_sync) {
         is_sync_cancelled = true;
         return;
@@ -186,12 +186,14 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadTy
     thread->status = ThreadStatus::Dormant;
     thread->entry_point = entry_point;
     thread->stack_top = stack_top;
+    thread->disable_count = 1;
     thread->tpidr_el0 = 0;
     thread->nominal_priority = thread->current_priority = priority;
-    thread->last_running_ticks = 0;
+    thread->schedule_count = -1;
+    thread->last_scheduled_tick = 0;
     thread->processor_id = processor_id;
     thread->ideal_core = processor_id;
-    thread->affinity_mask = 1ULL << processor_id;
+    thread->affinity_mask.SetAffinity(processor_id, true);
     thread->wait_objects = nullptr;
     thread->mutex_wait_address = 0;
     thread->condvar_wait_address = 0;
@@ -201,7 +203,7 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadTy
     thread->owner_process = owner_process;
     thread->type = type_flags;
     if ((type_flags & THREADTYPE_IDLE) == 0) {
-        auto& scheduler = kernel.GlobalScheduler();
+        auto& scheduler = kernel.GlobalSchedulerContext();
         scheduler.AddThread(thread);
     }
     if (owner_process) {
@@ -225,7 +227,7 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadTy
 }
 
 void Thread::SetPriority(u32 priority) {
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
     ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST,
                "Invalid priority value.");
     nominal_priority = priority;
@@ -362,7 +364,7 @@ bool Thread::InvokeHLECallback(std::shared_ptr<Thread> thread) {
 }
 
 ResultCode Thread::SetActivity(ThreadActivity value) {
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
 
     auto sched_status = GetSchedulingStatus();
 
@@ -391,7 +393,7 @@ ResultCode Thread::SetActivity(ThreadActivity value) {
 ResultCode Thread::Sleep(s64 nanoseconds) {
     Handle event_handle{};
     {
-        SchedulerLockAndSleep lock(kernel, event_handle, this, nanoseconds);
+        KScopedSchedulerLockAndSleep lock(kernel, event_handle, this, nanoseconds);
         SetStatus(ThreadStatus::WaitSleep);
     }
 
@@ -402,39 +404,12 @@ ResultCode Thread::Sleep(s64 nanoseconds) {
     return RESULT_SUCCESS;
 }
 
-std::pair<ResultCode, bool> Thread::YieldSimple() {
-    bool is_redundant = false;
-    {
-        SchedulerLock lock(kernel);
-        is_redundant = kernel.GlobalScheduler().YieldThread(this);
-    }
-    return {RESULT_SUCCESS, is_redundant};
-}
-
-std::pair<ResultCode, bool> Thread::YieldAndBalanceLoad() {
-    bool is_redundant = false;
-    {
-        SchedulerLock lock(kernel);
-        is_redundant = kernel.GlobalScheduler().YieldThreadAndBalanceLoad(this);
-    }
-    return {RESULT_SUCCESS, is_redundant};
-}
-
-std::pair<ResultCode, bool> Thread::YieldAndWaitForLoadBalancing() {
-    bool is_redundant = false;
-    {
-        SchedulerLock lock(kernel);
-        is_redundant = kernel.GlobalScheduler().YieldThreadAndWaitForLoadBalancing(this);
-    }
-    return {RESULT_SUCCESS, is_redundant};
-}
-
 void Thread::AddSchedulingFlag(ThreadSchedFlags flag) {
     const u32 old_state = scheduling_state;
     pausing_state |= static_cast<u32>(flag);
     const u32 base_scheduling = static_cast<u32>(GetSchedulingStatus());
     scheduling_state = base_scheduling | pausing_state;
-    kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_state);
+    KScheduler::OnThreadStateChanged(kernel, this, old_state);
 }
 
 void Thread::RemoveSchedulingFlag(ThreadSchedFlags flag) {
@@ -442,23 +417,24 @@ void Thread::RemoveSchedulingFlag(ThreadSchedFlags flag) {
     pausing_state &= ~static_cast<u32>(flag);
     const u32 base_scheduling = static_cast<u32>(GetSchedulingStatus());
     scheduling_state = base_scheduling | pausing_state;
-    kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_state);
+    KScheduler::OnThreadStateChanged(kernel, this, old_state);
 }
 
 void Thread::SetSchedulingStatus(ThreadSchedStatus new_status) {
     const u32 old_state = scheduling_state;
     scheduling_state = (scheduling_state & static_cast<u32>(ThreadSchedMasks::HighMask)) |
                        static_cast<u32>(new_status);
-    kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_state);
+    KScheduler::OnThreadStateChanged(kernel, this, old_state);
 }
 
 void Thread::SetCurrentPriority(u32 new_priority) {
     const u32 old_priority = std::exchange(current_priority, new_priority);
-    kernel.GlobalScheduler().AdjustSchedulingOnPriority(this, old_priority);
+    KScheduler::OnThreadPriorityChanged(kernel, this, kernel.CurrentScheduler()->GetCurrentThread(),
+                                        old_priority);
 }
 
 ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
-    SchedulerLock lock(kernel);
+    KScopedSchedulerLock lock(kernel);
     const auto HighestSetCore = [](u64 mask, u32 max_cores) {
         for (s32 core = static_cast<s32>(max_cores - 1); core >= 0; core--) {
             if (((mask >> core) & 1) != 0) {
@@ -479,20 +455,21 @@ ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
     }
     if (use_override) {
         ideal_core_override = new_core;
-        affinity_mask_override = new_affinity_mask;
     } else {
-        const u64 old_affinity_mask = std::exchange(affinity_mask, new_affinity_mask);
+        const auto old_affinity_mask = affinity_mask;
+        affinity_mask.SetAffinityMask(new_affinity_mask);
         ideal_core = new_core;
-        if (old_affinity_mask != new_affinity_mask) {
+        if (old_affinity_mask.GetAffinityMask() != new_affinity_mask) {
             const s32 old_core = processor_id;
-            if (processor_id >= 0 && ((affinity_mask >> processor_id) & 1) == 0) {
+            if (processor_id >= 0 && !affinity_mask.GetAffinity(processor_id)) {
                 if (static_cast<s32>(ideal_core) < 0) {
-                    processor_id = HighestSetCore(affinity_mask, Core::Hardware::NUM_CPU_CORES);
+                    processor_id = HighestSetCore(affinity_mask.GetAffinityMask(),
+                                                  Core::Hardware::NUM_CPU_CORES);
                 } else {
                     processor_id = ideal_core;
                 }
             }
-            kernel.GlobalScheduler().AdjustSchedulingOnAffinity(this, old_affinity_mask, old_core);
+            KScheduler::OnThreadAffinityMaskChanged(kernel, this, old_affinity_mask, old_core);
         }
     }
     return RESULT_SUCCESS;

src/core/hle/kernel/thread.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <array>
 #include <functional>
 #include <string>
 #include <utility>
@@ -12,6 +13,7 @@
 #include "common/common_types.h"
 #include "common/spin_lock.h"
 #include "core/arm/arm_interface.h"
+#include "core/hle/kernel/k_affinity_mask.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/synchronization_object.h"
 #include "core/hle/result.h"
@@ -27,10 +29,10 @@ class System;
 
 namespace Kernel {
 
-class GlobalScheduler;
+class GlobalSchedulerContext;
 class KernelCore;
 class Process;
-class Scheduler;
+class KScheduler;
 
 enum ThreadPriority : u32 {
     THREADPRIO_HIGHEST = 0,            ///< Highest thread priority
@@ -345,8 +347,12 @@ public:
 
     void SetStatus(ThreadStatus new_status);
 
-    u64 GetLastRunningTicks() const {
-        return last_running_ticks;
+    s64 GetLastScheduledTick() const {
+        return this->last_scheduled_tick;
+    }
+
+    void SetLastScheduledTick(s64 tick) {
+        this->last_scheduled_tick = tick;
     }
 
     u64 GetTotalCPUTimeTicks() const {
@@ -361,10 +367,18 @@ public:
         return processor_id;
     }
 
+    s32 GetActiveCore() const {
+        return GetProcessorID();
+    }
+
     void SetProcessorID(s32 new_core) {
         processor_id = new_core;
     }
 
+    void SetActiveCore(s32 new_core) {
+        processor_id = new_core;
+    }
+
     Process* GetOwnerProcess() {
         return owner_process;
     }
@@ -469,7 +483,7 @@ public:
         return ideal_core;
     }
 
-    u64 GetAffinityMask() const {
+    const KAffinityMask& GetAffinityMask() const {
         return affinity_mask;
     }
 
@@ -478,21 +492,12 @@ public:
     /// Sleeps this thread for the given amount of nanoseconds.
     ResultCode Sleep(s64 nanoseconds);
 
-    /// Yields this thread without rebalancing loads.
-    std::pair<ResultCode, bool> YieldSimple();
-
-    /// Yields this thread and does a load rebalancing.
-    std::pair<ResultCode, bool> YieldAndBalanceLoad();
-
-    /// Yields this thread and if the core is left idle, loads are rebalanced
-    std::pair<ResultCode, bool> YieldAndWaitForLoadBalancing();
-
-    void IncrementYieldCount() {
-        yield_count++;
+    s64 GetYieldScheduleCount() const {
+        return this->schedule_count;
     }
 
-    u64 GetYieldCount() const {
-        return yield_count;
+    void SetYieldScheduleCount(s64 count) {
+        this->schedule_count = count;
     }
 
     ThreadSchedStatus GetSchedulingStatus() const {
@@ -568,9 +573,59 @@ public:
         return has_exited;
     }
 
+    class QueueEntry {
+    public:
+        constexpr QueueEntry() = default;
+
+        constexpr void Initialize() {
+            this->prev = nullptr;
+            this->next = nullptr;
+        }
+
+        constexpr Thread* GetPrev() const {
+            return this->prev;
+        }
+        constexpr Thread* GetNext() const {
+            return this->next;
+        }
+        constexpr void SetPrev(Thread* thread) {
+            this->prev = thread;
+        }
+        constexpr void SetNext(Thread* thread) {
+            this->next = thread;
+        }
+
+    private:
+        Thread* prev{};
+        Thread* next{};
+    };
+
+    QueueEntry& GetPriorityQueueEntry(s32 core) {
+        return this->per_core_priority_queue_entry[core];
+    }
+
+    const QueueEntry& GetPriorityQueueEntry(s32 core) const {
+        return this->per_core_priority_queue_entry[core];
+    }
+
+    s32 GetDisableDispatchCount() const {
+        return disable_count;
+    }
+
+    void DisableDispatch() {
+        ASSERT(GetDisableDispatchCount() >= 0);
+        disable_count++;
+    }
+
+    void EnableDispatch() {
+        ASSERT(GetDisableDispatchCount() > 0);
+        disable_count--;
+    }
+
 private:
-    friend class GlobalScheduler;
-    friend class Scheduler;
+    friend class GlobalSchedulerContext;
+    friend class KScheduler;
+    friend class Process;
 
     void SetSchedulingStatus(ThreadSchedStatus new_status);
     void AddSchedulingFlag(ThreadSchedFlags flag);
@@ -583,12 +638,14 @@ private:
     ThreadContext64 context_64{};
     std::shared_ptr<Common::Fiber> host_context{};
 
-    u64 thread_id = 0;
-
     ThreadStatus status = ThreadStatus::Dormant;
+    u32 scheduling_state = 0;
+
+    u64 thread_id = 0;
 
     VAddr entry_point = 0;
     VAddr stack_top = 0;
+    std::atomic_int disable_count = 0;
 
     ThreadType type;
 
@@ -602,9 +659,8 @@ private:
     u32 current_priority = 0;
 
     u64 total_cpu_time_ticks = 0; ///< Total CPU running ticks.
-    u64 last_running_ticks = 0;   ///< CPU tick when thread was last running
-    u64 yield_count = 0;          ///< Number of redundant yields carried by this thread.
-                                  ///< a redundant yield is one where no scheduling is changed
+    s64 schedule_count{};
+    s64 last_scheduled_tick{};
 
     s32 processor_id = 0;
 
@@ -646,16 +702,16 @@ private:
     Handle hle_time_event;
     SynchronizationObject* hle_object;
 
-    Scheduler* scheduler = nullptr;
+    KScheduler* scheduler = nullptr;
+
+    std::array<QueueEntry, Core::Hardware::NUM_CPU_CORES> per_core_priority_queue_entry{};
 
     u32 ideal_core{0xFFFFFFFF};
-    u64 affinity_mask{0x1};
+    KAffinityMask affinity_mask{};
 
     s32 ideal_core_override = -1;
-    u64 affinity_mask_override = 0x1;
     u32 affinity_override_count = 0;
 
-    u32 scheduling_state = 0;
     u32 pausing_state = 0;
     bool is_running = false;
     bool is_waiting_on_sync = false;

src/core/hle/kernel/time_manager.cpp

@@ -7,8 +7,8 @@
 #include "core/core_timing.h"
 #include "core/core_timing_util.h"
 #include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/time_manager.h"
 
@@ -18,12 +18,18 @@ TimeManager::TimeManager(Core::System& system_) : system{system_} {
     time_manager_event_type = Core::Timing::CreateEvent(
         "Kernel::TimeManagerCallback",
         [this](std::uintptr_t thread_handle, std::chrono::nanoseconds) {
-            const SchedulerLock lock(system.Kernel());
+            const KScopedSchedulerLock lock(system.Kernel());
             const auto proper_handle = static_cast<Handle>(thread_handle);
-            if (cancelled_events[proper_handle]) {
-                return;
+
+            std::shared_ptr<Thread> thread;
+            {
+                std::lock_guard lock{mutex};
+                if (cancelled_events[proper_handle]) {
+                    return;
+                }
+                thread = system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
             }
-            auto thread = this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
+
             if (thread) {
                 // Thread can be null if process has exited
                 thread->OnWakeUp();
@@ -56,6 +62,7 @@ void TimeManager::UnscheduleTimeEvent(Handle event_handle) {
 }
 
 void TimeManager::CancelTimeEvent(Thread* time_task) {
+    std::lock_guard lock{mutex};
     const Handle event_handle = time_task->GetGlobalHandle();
     UnscheduleTimeEvent(event_handle);
 }

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

@@ -142,14 +142,14 @@ void Applet::Initialize() {
 
 AppletFrontendSet::AppletFrontendSet() = default;
 
-AppletFrontendSet::AppletFrontendSet(ControllerApplet controller, ECommerceApplet e_commerce,
-                                     ErrorApplet error, ParentalControlsApplet parental_controls,
-                                     PhotoViewer photo_viewer, ProfileSelect profile_select,
-                                     SoftwareKeyboard software_keyboard, WebBrowser web_browser)
-    : controller{std::move(controller)}, e_commerce{std::move(e_commerce)}, error{std::move(error)},
-      parental_controls{std::move(parental_controls)}, photo_viewer{std::move(photo_viewer)},
-      profile_select{std::move(profile_select)}, software_keyboard{std::move(software_keyboard)},
-      web_browser{std::move(web_browser)} {}
+AppletFrontendSet::AppletFrontendSet(ControllerApplet controller_applet, ErrorApplet error_applet,
+                                     ParentalControlsApplet parental_controls_applet,
+                                     PhotoViewer photo_viewer_, ProfileSelect profile_select_,
+                                     SoftwareKeyboard software_keyboard_, WebBrowser web_browser_)
+    : controller{std::move(controller_applet)}, error{std::move(error_applet)},
+      parental_controls{std::move(parental_controls_applet)},
+      photo_viewer{std::move(photo_viewer_)}, profile_select{std::move(profile_select_)},
+      software_keyboard{std::move(software_keyboard_)}, web_browser{std::move(web_browser_)} {}
 
 AppletFrontendSet::~AppletFrontendSet() = default;
 
@@ -170,10 +170,6 @@ void AppletManager::SetAppletFrontendSet(AppletFrontendSet set) {
         frontend.controller = std::move(set.controller);
     }
 
-    if (set.e_commerce != nullptr) {
-        frontend.e_commerce = std::move(set.e_commerce);
-    }
-
     if (set.error != nullptr) {
         frontend.error = std::move(set.error);
     }
@@ -210,10 +206,6 @@ void AppletManager::SetDefaultAppletsIfMissing() {
             std::make_unique<Core::Frontend::DefaultControllerApplet>(system.ServiceManager());
     }
 
-    if (frontend.e_commerce == nullptr) {
-        frontend.e_commerce = std::make_unique<Core::Frontend::DefaultECommerceApplet>();
-    }
-
     if (frontend.error == nullptr) {
         frontend.error = std::make_unique<Core::Frontend::DefaultErrorApplet>();
     }
@@ -257,13 +249,14 @@ std::shared_ptr<Applet> AppletManager::GetApplet(AppletId id) const {
         return std::make_shared<ProfileSelect>(system, *frontend.profile_select);
     case AppletId::SoftwareKeyboard:
         return std::make_shared<SoftwareKeyboard>(system, *frontend.software_keyboard);
+    case AppletId::Web:
+    case AppletId::Shop:
+    case AppletId::OfflineWeb:
+    case AppletId::LoginShare:
+    case AppletId::WebAuth:
+        return std::make_shared<WebBrowser>(system, *frontend.web_browser);
     case AppletId::PhotoViewer:
         return std::make_shared<PhotoViewer>(system, *frontend.photo_viewer);
-    case AppletId::LibAppletShop:
-        return std::make_shared<WebBrowser>(system, *frontend.web_browser,
-                                            frontend.e_commerce.get());
-    case AppletId::LibAppletOff:
-        return std::make_shared<WebBrowser>(system, *frontend.web_browser);
     default:
         UNIMPLEMENTED_MSG(
             "No backend implementation exists for applet_id={:02X}! Falling back to stub applet.",

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

@@ -50,13 +50,13 @@ enum class AppletId : u32 {
     ProfileSelect = 0x10,
     SoftwareKeyboard = 0x11,
     MiiEdit = 0x12,
-    LibAppletWeb = 0x13,
-    LibAppletShop = 0x14,
+    Web = 0x13,
+    Shop = 0x14,
     PhotoViewer = 0x15,
     Settings = 0x16,
-    LibAppletOff = 0x17,
-    LibAppletWhitelisted = 0x18,
-    LibAppletAuth = 0x19,
+    OfflineWeb = 0x17,
+    LoginShare = 0x18,
+    WebAuth = 0x19,
     MyPage = 0x1A,
 };
 
@@ -157,7 +157,6 @@ protected:
 
 struct AppletFrontendSet {
     using ControllerApplet = std::unique_ptr<Core::Frontend::ControllerApplet>;
-    using ECommerceApplet = std::unique_ptr<Core::Frontend::ECommerceApplet>;
     using ErrorApplet = std::unique_ptr<Core::Frontend::ErrorApplet>;
     using ParentalControlsApplet = std::unique_ptr<Core::Frontend::ParentalControlsApplet>;
     using PhotoViewer = std::unique_ptr<Core::Frontend::PhotoViewerApplet>;
@@ -166,10 +165,10 @@ struct AppletFrontendSet {
     using WebBrowser = std::unique_ptr<Core::Frontend::WebBrowserApplet>;
 
     AppletFrontendSet();
-    AppletFrontendSet(ControllerApplet controller, ECommerceApplet e_commerce, ErrorApplet error,
-                      ParentalControlsApplet parental_controls, PhotoViewer photo_viewer,
-                      ProfileSelect profile_select, SoftwareKeyboard software_keyboard,
-                      WebBrowser web_browser);
+    AppletFrontendSet(ControllerApplet controller_applet, ErrorApplet error_applet,
+                      ParentalControlsApplet parental_controls_applet, PhotoViewer photo_viewer_,
+                      ProfileSelect profile_select_, SoftwareKeyboard software_keyboard_,
+                      WebBrowser web_browser_);
     ~AppletFrontendSet();
 
     AppletFrontendSet(const AppletFrontendSet&) = delete;
@@ -179,7 +178,6 @@ struct AppletFrontendSet {
     AppletFrontendSet& operator=(AppletFrontendSet&&) noexcept;
 
     ControllerApplet controller;
-    ECommerceApplet e_commerce;
     ErrorApplet error;
     ParentalControlsApplet parental_controls;
     PhotoViewer photo_viewer;

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

@@ -1,238 +1,271 @@
-// Copyright 2018 yuzu emulator team
+// Copyright 2020 yuzu Emulator Project
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <array>
-#include <cstring>
-#include <vector>
-
 #include "common/assert.h"
-#include "common/common_funcs.h"
 #include "common/common_paths.h"
 #include "common/file_util.h"
-#include "common/hex_util.h"
 #include "common/logging/log.h"
 #include "common/string_util.h"
 #include "core/core.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/mode.h"
 #include "core/file_sys/nca_metadata.h"
+#include "core/file_sys/patch_manager.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/romfs.h"
 #include "core/file_sys/system_archive/system_archive.h"
-#include "core/file_sys/vfs_types.h"
-#include "core/frontend/applets/general_frontend.h"
+#include "core/file_sys/vfs_vector.h"
 #include "core/frontend/applets/web_browser.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/result.h"
+#include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/web_browser.h"
 #include "core/hle/service/filesystem/filesystem.h"
-#include "core/loader/loader.h"
+#include "core/hle/service/ns/pl_u.h"
 
 namespace Service::AM::Applets {
 
-enum class WebArgTLVType : u16 {
-    InitialURL = 0x1,
-    ShopArgumentsURL = 0x2, ///< TODO(DarkLordZach): This is not the official name.
-    CallbackURL = 0x3,
-    CallbackableURL = 0x4,
-    ApplicationID = 0x5,
-    DocumentPath = 0x6,
-    DocumentKind = 0x7,
-    SystemDataID = 0x8,
-    ShareStartPage = 0x9,
-    Whitelist = 0xA,
-    News = 0xB,
-    UserID = 0xE,
-    AlbumEntry0 = 0xF,
-    ScreenShotEnabled = 0x10,
-    EcClientCertEnabled = 0x11,
-    Unk12 = 0x12,
-    PlayReportEnabled = 0x13,
-    Unk14 = 0x14,
-    Unk15 = 0x15,
-    BootDisplayKind = 0x17,
-    BackgroundKind = 0x18,
-    FooterEnabled = 0x19,
-    PointerEnabled = 0x1A,
-    LeftStickMode = 0x1B,
-    KeyRepeatFrame1 = 0x1C,
-    KeyRepeatFrame2 = 0x1D,
-    BootAsMediaPlayerInv = 0x1E,
-    DisplayUrlKind = 0x1F,
-    BootAsMediaPlayer = 0x21,
-    ShopJumpEnabled = 0x22,
-    MediaAutoPlayEnabled = 0x23,
-    LobbyParameter = 0x24,
-    ApplicationAlbumEntry = 0x26,
-    JsExtensionEnabled = 0x27,
-    AdditionalCommentText = 0x28,
-    TouchEnabledOnContents = 0x29,
-    UserAgentAdditionalString = 0x2A,
-    AdditionalMediaData0 = 0x2B,
-    MediaPlayerAutoCloseEnabled = 0x2C,
-    PageCacheEnabled = 0x2D,
-    WebAudioEnabled = 0x2E,
-    Unk2F = 0x2F,
-    YouTubeVideoWhitelist = 0x31,
-    FooterFixedKind = 0x32,
-    PageFadeEnabled = 0x33,
-    MediaCreatorApplicationRatingAge = 0x34,
-    BootLoadingIconEnabled = 0x35,
-    PageScrollIndicationEnabled = 0x36,
-    MediaPlayerSpeedControlEnabled = 0x37,
-    AlbumEntry1 = 0x38,
-    AlbumEntry2 = 0x39,
-    AlbumEntry3 = 0x3A,
-    AdditionalMediaData1 = 0x3B,
-    AdditionalMediaData2 = 0x3C,
-    AdditionalMediaData3 = 0x3D,
-    BootFooterButton = 0x3E,
-    OverrideWebAudioVolume = 0x3F,
-    OverrideMediaAudioVolume = 0x40,
-    BootMode = 0x41,
-    WebSessionEnabled = 0x42,
-};
-
-enum class ShimKind : u32 {
-    Shop = 1,
-    Login = 2,
-    Offline = 3,
-    Share = 4,
-    Web = 5,
-    Wifi = 6,
-    Lobby = 7,
-};
-
-enum class ShopWebTarget {
-    ApplicationInfo,
-    AddOnContentList,
-    SubscriptionList,
-    ConsumableItemList,
-    Home,
-    Settings,
-};
-
 namespace {
 
-constexpr std::size_t SHIM_KIND_COUNT = 0x8;
+template <typename T>
+void ParseRawValue(T& value, const std::vector<u8>& data) {
+    static_assert(std::is_trivially_copyable_v<T>,
+                  "It's undefined behavior to use memcpy with non-trivially copyable objects");
+    std::memcpy(&value, data.data(), data.size());
+}
 
-struct WebArgHeader {
-    u16 count;
-    INSERT_PADDING_BYTES(2);
-    ShimKind kind;
-};
-static_assert(sizeof(WebArgHeader) == 0x8, "WebArgHeader has incorrect size.");
+template <typename T>
+T ParseRawValue(const std::vector<u8>& data) {
+    T value;
+    ParseRawValue(value, data);
+    return value;
+}
 
-struct WebArgTLV {
-    WebArgTLVType type;
-    u16 size;
-    u32 offset;
-};
-static_assert(sizeof(WebArgTLV) == 0x8, "WebArgTLV has incorrect size.");
+std::string ParseStringValue(const std::vector<u8>& data) {
+    return Common::StringFromFixedZeroTerminatedBuffer(reinterpret_cast<const char*>(data.data()),
+                                                       data.size());
+}
 
-struct WebCommonReturnValue {
-    u32 result_code;
-    INSERT_PADDING_BYTES(0x4);
-    std::array<char, 0x1000> last_url;
-    u64 last_url_size;
-};
-static_assert(sizeof(WebCommonReturnValue) == 0x1010, "WebCommonReturnValue has incorrect size.");
+std::string GetMainURL(const std::string& url) {
+    const auto index = url.find('?');
 
-struct WebWifiPageArg {
-    INSERT_PADDING_BYTES(4);
-    std::array<char, 0x100> connection_test_url;
-    std::array<char, 0x400> initial_url;
-    std::array<u8, 0x10> nifm_network_uuid;
-    u32 nifm_requirement;
-};
-static_assert(sizeof(WebWifiPageArg) == 0x518, "WebWifiPageArg has incorrect size.");
+    if (index == std::string::npos) {
+        return url;
+    }
 
-struct WebWifiReturnValue {
-    INSERT_PADDING_BYTES(4);
-    u32 result;
-};
-static_assert(sizeof(WebWifiReturnValue) == 0x8, "WebWifiReturnValue has incorrect size.");
+    return url.substr(0, index);
+}
 
-enum class OfflineWebSource : u32 {
-    OfflineHtmlPage = 0x1,
-    ApplicationLegalInformation = 0x2,
-    SystemDataPage = 0x3,
-};
+WebArgInputTLVMap ReadWebArgs(const std::vector<u8>& web_arg, WebArgHeader& web_arg_header) {
+    std::memcpy(&web_arg_header, web_arg.data(), sizeof(WebArgHeader));
 
-std::map<WebArgTLVType, std::vector<u8>> GetWebArguments(const std::vector<u8>& arg) {
-    if (arg.size() < sizeof(WebArgHeader))
+    if (web_arg.size() == sizeof(WebArgHeader)) {
         return {};
-
-    WebArgHeader header{};
-    std::memcpy(&header, arg.data(), sizeof(WebArgHeader));
-
-    std::map<WebArgTLVType, std::vector<u8>> out;
-    u64 offset = sizeof(WebArgHeader);
-    for (std::size_t i = 0; i < header.count; ++i) {
-        if (arg.size() < (offset + sizeof(WebArgTLV)))
-            return out;
-
-        WebArgTLV tlv{};
-        std::memcpy(&tlv, arg.data() + offset, sizeof(WebArgTLV));
-        offset += sizeof(WebArgTLV);
-
-        offset += tlv.offset;
-        if (arg.size() < (offset + tlv.size))
-            return out;
-
-        std::vector<u8> data(tlv.size);
-        std::memcpy(data.data(), arg.data() + offset, tlv.size);
-        offset += tlv.size;
-
-        out.insert_or_assign(tlv.type, data);
     }
 
-    return out;
+    WebArgInputTLVMap input_tlv_map;
+
+    u64 current_offset = sizeof(WebArgHeader);
+
+    for (std::size_t i = 0; i < web_arg_header.total_tlv_entries; ++i) {
+        if (web_arg.size() < current_offset + sizeof(WebArgInputTLV)) {
+            return input_tlv_map;
+        }
+
+        WebArgInputTLV input_tlv;
+        std::memcpy(&input_tlv, web_arg.data() + current_offset, sizeof(WebArgInputTLV));
+
+        current_offset += sizeof(WebArgInputTLV);
+
+        if (web_arg.size() < current_offset + input_tlv.arg_data_size) {
+            return input_tlv_map;
+        }
+
+        std::vector<u8> data(input_tlv.arg_data_size);
+        std::memcpy(data.data(), web_arg.data() + current_offset, input_tlv.arg_data_size);
+
+        current_offset += input_tlv.arg_data_size;
+
+        input_tlv_map.insert_or_assign(input_tlv.input_tlv_type, std::move(data));
+    }
+
+    return input_tlv_map;
 }
 
-FileSys::VirtualFile GetApplicationRomFS(const Core::System& system, u64 title_id,
-                                         FileSys::ContentRecordType type) {
-    const auto& installed{system.GetContentProvider()};
-    const auto res = installed.GetEntry(title_id, type);
+FileSys::VirtualFile GetOfflineRomFS(Core::System& system, u64 title_id,
+                                     FileSys::ContentRecordType nca_type) {
+    if (nca_type == FileSys::ContentRecordType::Data) {
+        const auto nca =
+            system.GetFileSystemController().GetSystemNANDContents()->GetEntry(title_id, nca_type);
 
-    if (res != nullptr) {
-        return res->GetRomFS();
+        if (nca == nullptr) {
+            LOG_ERROR(Service_AM,
+                      "NCA of type={} with title_id={:016X} is not found in the System NAND!",
+                      nca_type, title_id);
+            return FileSys::SystemArchive::SynthesizeSystemArchive(title_id);
+        }
+
+        return nca->GetRomFS();
+    } else {
+        const auto nca = system.GetContentProvider().GetEntry(title_id, nca_type);
+
+        if (nca == nullptr) {
+            LOG_ERROR(Service_AM,
+                      "NCA of type={} with title_id={:016X} is not found in the ContentProvider!",
+                      nca_type, title_id);
+            return nullptr;
+        }
+
+        const FileSys::PatchManager pm{title_id, system.GetFileSystemController(),
+                                       system.GetContentProvider()};
+
+        return pm.PatchRomFS(nca->GetRomFS(), nca->GetBaseIVFCOffset(), nca_type);
     }
-
-    if (type == FileSys::ContentRecordType::Data) {
-        return FileSys::SystemArchive::SynthesizeSystemArchive(title_id);
-    }
-
-    return nullptr;
 }
 
-} // Anonymous namespace
+void ExtractSharedFonts(Core::System& system) {
+    static constexpr std::array<const char*, 7> DECRYPTED_SHARED_FONTS{
+        "FontStandard.ttf",
+        "FontChineseSimplified.ttf",
+        "FontExtendedChineseSimplified.ttf",
+        "FontChineseTraditional.ttf",
+        "FontKorean.ttf",
+        "FontNintendoExtended.ttf",
+        "FontNintendoExtended2.ttf",
+    };
 
-WebBrowser::WebBrowser(Core::System& system_, Core::Frontend::WebBrowserApplet& frontend_,
-                       Core::Frontend::ECommerceApplet* frontend_e_commerce_)
-    : Applet{system_.Kernel()}, frontend(frontend_),
-      frontend_e_commerce(frontend_e_commerce_), system{system_} {}
+    for (std::size_t i = 0; i < NS::SHARED_FONTS.size(); ++i) {
+        const auto fonts_dir = Common::FS::SanitizePath(
+            fmt::format("{}/fonts", Common::FS::GetUserPath(Common::FS::UserPath::CacheDir)),
+            Common::FS::DirectorySeparator::PlatformDefault);
+
+        const auto font_file_path =
+            Common::FS::SanitizePath(fmt::format("{}/{}", fonts_dir, DECRYPTED_SHARED_FONTS[i]),
+                                     Common::FS::DirectorySeparator::PlatformDefault);
+
+        if (Common::FS::Exists(font_file_path)) {
+            continue;
+        }
+
+        const auto font = NS::SHARED_FONTS[i];
+        const auto font_title_id = static_cast<u64>(font.first);
+
+        const auto nca = system.GetFileSystemController().GetSystemNANDContents()->GetEntry(
+            font_title_id, FileSys::ContentRecordType::Data);
+
+        FileSys::VirtualFile romfs;
+
+        if (!nca) {
+            romfs = FileSys::SystemArchive::SynthesizeSystemArchive(font_title_id);
+        } else {
+            romfs = nca->GetRomFS();
+        }
+
+        if (!romfs) {
+            LOG_ERROR(Service_AM, "SharedFont RomFS with title_id={:016X} cannot be extracted!",
+                      font_title_id);
+            continue;
+        }
+
+        const auto extracted_romfs = FileSys::ExtractRomFS(romfs);
+
+        if (!extracted_romfs) {
+            LOG_ERROR(Service_AM, "SharedFont RomFS with title_id={:016X} failed to extract!",
+                      font_title_id);
+            continue;
+        }
+
+        const auto font_file = extracted_romfs->GetFile(font.second);
+
+        if (!font_file) {
+            LOG_ERROR(Service_AM, "SharedFont RomFS with title_id={:016X} has no font file \"{}\"!",
+                      font_title_id, font.second);
+            continue;
+        }
+
+        std::vector<u32> font_data_u32(font_file->GetSize() / sizeof(u32));
+        font_file->ReadBytes<u32>(font_data_u32.data(), font_file->GetSize());
+
+        std::transform(font_data_u32.begin(), font_data_u32.end(), font_data_u32.begin(),
+                       Common::swap32);
+
+        std::vector<u8> decrypted_data(font_file->GetSize() - 8);
+
+        NS::DecryptSharedFontToTTF(font_data_u32, decrypted_data);
+
+        FileSys::VirtualFile decrypted_font = std::make_shared<FileSys::VectorVfsFile>(
+            std::move(decrypted_data), DECRYPTED_SHARED_FONTS[i]);
+
+        const auto temp_dir =
+            system.GetFilesystem()->CreateDirectory(fonts_dir, FileSys::Mode::ReadWrite);
+
+        const auto out_file = temp_dir->CreateFile(DECRYPTED_SHARED_FONTS[i]);
+
+        FileSys::VfsRawCopy(decrypted_font, out_file);
+    }
+}
+
+} // namespace
+
+WebBrowser::WebBrowser(Core::System& system_, const Core::Frontend::WebBrowserApplet& frontend_)
+    : Applet{system_.Kernel()}, frontend(frontend_), system{system_} {}
 
 WebBrowser::~WebBrowser() = default;
 
 void WebBrowser::Initialize() {
     Applet::Initialize();
 
-    complete = false;
-    temporary_dir.clear();
-    filename.clear();
-    status = RESULT_SUCCESS;
+    LOG_INFO(Service_AM, "Initializing Web Browser Applet.");
+
+    LOG_DEBUG(Service_AM,
+              "Initializing Applet with common_args: arg_version={}, lib_version={}, "
+              "play_startup_sound={}, size={}, system_tick={}, theme_color={}",
+              common_args.arguments_version, common_args.library_version,
+              common_args.play_startup_sound, common_args.size, common_args.system_tick,
+              common_args.theme_color);
+
+    web_applet_version = WebAppletVersion{common_args.library_version};
 
     const auto web_arg_storage = broker.PopNormalDataToApplet();
     ASSERT(web_arg_storage != nullptr);
+
     const auto& web_arg = web_arg_storage->GetData();
+    ASSERT_OR_EXECUTE(web_arg.size() >= sizeof(WebArgHeader), { return; });
 
-    ASSERT(web_arg.size() >= 0x8);
-    std::memcpy(&kind, web_arg.data() + 0x4, sizeof(ShimKind));
+    web_arg_input_tlv_map = ReadWebArgs(web_arg, web_arg_header);
 
-    args = GetWebArguments(web_arg);
+    LOG_DEBUG(Service_AM, "WebArgHeader: total_tlv_entries={}, shim_kind={}",
+              web_arg_header.total_tlv_entries, web_arg_header.shim_kind);
 
-    InitializeInternal();
+    ExtractSharedFonts(system);
+
+    switch (web_arg_header.shim_kind) {
+    case ShimKind::Shop:
+        InitializeShop();
+        break;
+    case ShimKind::Login:
+        InitializeLogin();
+        break;
+    case ShimKind::Offline:
+        InitializeOffline();
+        break;
+    case ShimKind::Share:
+        InitializeShare();
+        break;
+    case ShimKind::Web:
+        InitializeWeb();
+        break;
+    case ShimKind::Wifi:
+        InitializeWifi();
+        break;
+    case ShimKind::Lobby:
+        InitializeLobby();
+        break;
+    default:
+        UNREACHABLE_MSG("Invalid ShimKind={}", web_arg_header.shim_kind);
+        break;
+    }
 }
 
 bool WebBrowser::TransactionComplete() const {
@@ -244,315 +277,202 @@ ResultCode WebBrowser::GetStatus() const {
 }
 
 void WebBrowser::ExecuteInteractive() {
-    UNIMPLEMENTED_MSG("Unexpected interactive data recieved!");
+    UNIMPLEMENTED_MSG("WebSession is not implemented");
 }
 
 void WebBrowser::Execute() {
-    if (complete) {
-        return;
-    }
-
-    if (status != RESULT_SUCCESS) {
-        complete = true;
-
-        // This is a workaround in order not to softlock yuzu when an error happens during the
-        // webapplet init. In order to avoid an svcBreak, the status is set to RESULT_SUCCESS
-        Finalize();
-        status = RESULT_SUCCESS;
-
-        return;
-    }
-
-    ExecuteInternal();
-}
-
-void WebBrowser::UnpackRomFS() {
-    if (unpacked)
-        return;
-
-    ASSERT(offline_romfs != nullptr);
-    const auto dir =
-        FileSys::ExtractRomFS(offline_romfs, FileSys::RomFSExtractionType::SingleDiscard);
-    const auto& vfs{system.GetFilesystem()};
-    const auto temp_dir = vfs->CreateDirectory(temporary_dir, FileSys::Mode::ReadWrite);
-    FileSys::VfsRawCopyD(dir, temp_dir);
-
-    unpacked = true;
-}
-
-void WebBrowser::Finalize() {
-    complete = true;
-
-    WebCommonReturnValue out{};
-    out.result_code = 0;
-    out.last_url_size = 0;
-
-    std::vector<u8> data(sizeof(WebCommonReturnValue));
-    std::memcpy(data.data(), &out, sizeof(WebCommonReturnValue));
-
-    broker.PushNormalDataFromApplet(std::make_shared<IStorage>(system, std::move(data)));
-    broker.SignalStateChanged();
-
-    if (!temporary_dir.empty() && Common::FS::IsDirectory(temporary_dir)) {
-        Common::FS::DeleteDirRecursively(temporary_dir);
-    }
-}
-
-void WebBrowser::InitializeInternal() {
-    using WebAppletInitializer = void (WebBrowser::*)();
-
-    constexpr std::array<WebAppletInitializer, SHIM_KIND_COUNT> functions{
-        nullptr, &WebBrowser::InitializeShop,
-        nullptr, &WebBrowser::InitializeOffline,
-        nullptr, nullptr,
-        nullptr, nullptr,
-    };
-
-    const auto index = static_cast<u32>(kind);
-
-    if (index > functions.size() || functions[index] == nullptr) {
-        LOG_ERROR(Service_AM, "Invalid shim_kind={:08X}", index);
-        return;
-    }
-
-    const auto function = functions[index];
-    (this->*function)();
-}
-
-void WebBrowser::ExecuteInternal() {
-    using WebAppletExecutor = void (WebBrowser::*)();
-
-    constexpr std::array<WebAppletExecutor, SHIM_KIND_COUNT> functions{
-        nullptr, &WebBrowser::ExecuteShop,
-        nullptr, &WebBrowser::ExecuteOffline,
-        nullptr, nullptr,
-        nullptr, nullptr,
-    };
-
-    const auto index = static_cast<u32>(kind);
-
-    if (index > functions.size() || functions[index] == nullptr) {
-        LOG_ERROR(Service_AM, "Invalid shim_kind={:08X}", index);
-        return;
-    }
-
-    const auto function = functions[index];
-    (this->*function)();
-}
-
-void WebBrowser::InitializeShop() {
-    if (frontend_e_commerce == nullptr) {
-        LOG_ERROR(Service_AM, "Missing ECommerce Applet frontend!");
-        status = RESULT_UNKNOWN;
-        return;
-    }
-
-    const auto user_id_data = args.find(WebArgTLVType::UserID);
-
-    user_id = std::nullopt;
-    if (user_id_data != args.end()) {
-        user_id = u128{};
-        std::memcpy(user_id->data(), user_id_data->second.data(), sizeof(u128));
-    }
-
-    const auto url = args.find(WebArgTLVType::ShopArgumentsURL);
-
-    if (url == args.end()) {
-        LOG_ERROR(Service_AM, "Missing EShop Arguments URL for initialization!");
-        status = RESULT_UNKNOWN;
-        return;
-    }
-
-    std::vector<std::string> split_query;
-    Common::SplitString(Common::StringFromFixedZeroTerminatedBuffer(
-                            reinterpret_cast<const char*>(url->second.data()), url->second.size()),
-                        '?', split_query);
-
-    // 2 -> Main URL '?' Query Parameters
-    // Less is missing info, More is malformed
-    if (split_query.size() != 2) {
-        LOG_ERROR(Service_AM, "EShop Arguments has more than one question mark, malformed");
-        status = RESULT_UNKNOWN;
-        return;
-    }
-
-    std::vector<std::string> queries;
-    Common::SplitString(split_query[1], '&', queries);
-
-    const auto split_single_query =
-        [](const std::string& in) -> std::pair<std::string, std::string> {
-        const auto index = in.find('=');
-        if (index == std::string::npos || index == in.size() - 1) {
-            return {in, ""};
-        }
-
-        return {in.substr(0, index), in.substr(index + 1)};
-    };
-
-    std::transform(queries.begin(), queries.end(),
-                   std::inserter(shop_query, std::next(shop_query.begin())), split_single_query);
-
-    const auto scene = shop_query.find("scene");
-
-    if (scene == shop_query.end()) {
-        LOG_ERROR(Service_AM, "No scene parameter was passed via shop query!");
-        status = RESULT_UNKNOWN;
-        return;
-    }
-
-    const std::map<std::string, ShopWebTarget, std::less<>> target_map{
-        {"product_detail", ShopWebTarget::ApplicationInfo},
-        {"aocs", ShopWebTarget::AddOnContentList},
-        {"subscriptions", ShopWebTarget::SubscriptionList},
-        {"consumption", ShopWebTarget::ConsumableItemList},
-        {"settings", ShopWebTarget::Settings},
-        {"top", ShopWebTarget::Home},
-    };
-
-    const auto target = target_map.find(scene->second);
-    if (target == target_map.end()) {
-        LOG_ERROR(Service_AM, "Scene for shop query is invalid! (scene={})", scene->second);
-        status = RESULT_UNKNOWN;
-        return;
-    }
-
-    shop_web_target = target->second;
-
-    const auto title_id_data = shop_query.find("dst_app_id");
-    if (title_id_data != shop_query.end()) {
-        title_id = std::stoull(title_id_data->second, nullptr, 0x10);
-    }
-
-    const auto mode_data = shop_query.find("mode");
-    if (mode_data != shop_query.end()) {
-        shop_full_display = mode_data->second == "full";
-    }
-}
-
-void WebBrowser::InitializeOffline() {
-    if (args.find(WebArgTLVType::DocumentPath) == args.end() ||
-        args.find(WebArgTLVType::DocumentKind) == args.end() ||
-        args.find(WebArgTLVType::ApplicationID) == args.end()) {
-        status = RESULT_UNKNOWN;
-        LOG_ERROR(Service_AM, "Missing necessary parameters for initialization!");
-    }
-
-    const auto url_data = args[WebArgTLVType::DocumentPath];
-    filename = Common::StringFromFixedZeroTerminatedBuffer(
-        reinterpret_cast<const char*>(url_data.data()), url_data.size());
-
-    OfflineWebSource source;
-    ASSERT(args[WebArgTLVType::DocumentKind].size() >= 4);
-    std::memcpy(&source, args[WebArgTLVType::DocumentKind].data(), sizeof(OfflineWebSource));
-
-    constexpr std::array<const char*, 3> WEB_SOURCE_NAMES{
-        "manual",
-        "legal",
-        "system",
-    };
-
-    temporary_dir =
-        Common::FS::SanitizePath(Common::FS::GetUserPath(Common::FS::UserPath::CacheDir) +
-                                     "web_applet_" + WEB_SOURCE_NAMES[static_cast<u32>(source) - 1],
-                                 Common::FS::DirectorySeparator::PlatformDefault);
-    Common::FS::DeleteDirRecursively(temporary_dir);
-
-    u64 title_id = 0; // 0 corresponds to current process
-    ASSERT(args[WebArgTLVType::ApplicationID].size() >= 0x8);
-    std::memcpy(&title_id, args[WebArgTLVType::ApplicationID].data(), sizeof(u64));
-    FileSys::ContentRecordType type = FileSys::ContentRecordType::Data;
-
-    switch (source) {
-    case OfflineWebSource::OfflineHtmlPage:
-        // While there is an AppID TLV field, in official SW this is always ignored.
-        title_id = 0;
-        type = FileSys::ContentRecordType::HtmlDocument;
+    switch (web_arg_header.shim_kind) {
+    case ShimKind::Shop:
+        ExecuteShop();
         break;
-    case OfflineWebSource::ApplicationLegalInformation:
-        type = FileSys::ContentRecordType::LegalInformation;
+    case ShimKind::Login:
+        ExecuteLogin();
         break;
-    case OfflineWebSource::SystemDataPage:
-        type = FileSys::ContentRecordType::Data;
+    case ShimKind::Offline:
+        ExecuteOffline();
         break;
-    }
-
-    if (title_id == 0) {
-        title_id = system.CurrentProcess()->GetTitleID();
-    }
-
-    offline_romfs = GetApplicationRomFS(system, title_id, type);
-    if (offline_romfs == nullptr) {
-        status = RESULT_UNKNOWN;
-        LOG_ERROR(Service_AM, "Failed to find offline data for request!");
-    }
-
-    std::string path_additional_directory;
-    if (source == OfflineWebSource::OfflineHtmlPage) {
-        path_additional_directory = std::string(DIR_SEP).append("html-document");
-    }
-
-    filename =
-        Common::FS::SanitizePath(temporary_dir + path_additional_directory + DIR_SEP + filename,
-                                 Common::FS::DirectorySeparator::PlatformDefault);
-}
-
-void WebBrowser::ExecuteShop() {
-    const auto callback = [this]() { Finalize(); };
-
-    const auto check_optional_parameter = [this](const auto& p) {
-        if (!p.has_value()) {
-            LOG_ERROR(Service_AM, "Missing one or more necessary parameters for execution!");
-            status = RESULT_UNKNOWN;
-            return false;
-        }
-
-        return true;
-    };
-
-    switch (shop_web_target) {
-    case ShopWebTarget::ApplicationInfo:
-        if (!check_optional_parameter(title_id))
-            return;
-        frontend_e_commerce->ShowApplicationInformation(callback, *title_id, user_id,
-                                                        shop_full_display, shop_extra_parameter);
+    case ShimKind::Share:
+        ExecuteShare();
         break;
-    case ShopWebTarget::AddOnContentList:
-        if (!check_optional_parameter(title_id))
-            return;
-        frontend_e_commerce->ShowAddOnContentList(callback, *title_id, user_id, shop_full_display);
+    case ShimKind::Web:
+        ExecuteWeb();
         break;
-    case ShopWebTarget::ConsumableItemList:
-        if (!check_optional_parameter(title_id))
-            return;
-        frontend_e_commerce->ShowConsumableItemList(callback, *title_id, user_id);
+    case ShimKind::Wifi:
+        ExecuteWifi();
         break;
-    case ShopWebTarget::Home:
-        if (!check_optional_parameter(user_id))
-            return;
-        if (!check_optional_parameter(shop_full_display))
-            return;
-        frontend_e_commerce->ShowShopHome(callback, *user_id, *shop_full_display);
-        break;
-    case ShopWebTarget::Settings:
-        if (!check_optional_parameter(user_id))
-            return;
-        if (!check_optional_parameter(shop_full_display))
-            return;
-        frontend_e_commerce->ShowSettings(callback, *user_id, *shop_full_display);
-        break;
-    case ShopWebTarget::SubscriptionList:
-        if (!check_optional_parameter(title_id))
-            return;
-        frontend_e_commerce->ShowSubscriptionList(callback, *title_id, user_id);
+    case ShimKind::Lobby:
+        ExecuteLobby();
         break;
     default:
-        UNREACHABLE();
+        UNREACHABLE_MSG("Invalid ShimKind={}", web_arg_header.shim_kind);
+        WebBrowserExit(WebExitReason::EndButtonPressed);
+        break;
     }
 }
 
+void WebBrowser::ExtractOfflineRomFS() {
+    LOG_DEBUG(Service_AM, "Extracting RomFS to {}", offline_cache_dir);
+
+    const auto extracted_romfs_dir =
+        FileSys::ExtractRomFS(offline_romfs, FileSys::RomFSExtractionType::SingleDiscard);
+
+    const auto temp_dir =
+        system.GetFilesystem()->CreateDirectory(offline_cache_dir, FileSys::Mode::ReadWrite);
+
+    FileSys::VfsRawCopyD(extracted_romfs_dir, temp_dir);
+}
+
+void WebBrowser::WebBrowserExit(WebExitReason exit_reason, std::string last_url) {
+    if ((web_arg_header.shim_kind == ShimKind::Share &&
+         web_applet_version >= WebAppletVersion::Version196608) ||
+        (web_arg_header.shim_kind == ShimKind::Web &&
+         web_applet_version >= WebAppletVersion::Version524288)) {
+        // TODO: Push Output TLVs instead of a WebCommonReturnValue
+    }
+
+    WebCommonReturnValue web_common_return_value;
+
+    web_common_return_value.exit_reason = exit_reason;
+    std::memcpy(&web_common_return_value.last_url, last_url.data(), last_url.size());
+    web_common_return_value.last_url_size = last_url.size();
+
+    LOG_DEBUG(Service_AM, "WebCommonReturnValue: exit_reason={}, last_url={}, last_url_size={}",
+              exit_reason, last_url, last_url.size());
+
+    complete = true;
+    std::vector<u8> out_data(sizeof(WebCommonReturnValue));
+    std::memcpy(out_data.data(), &web_common_return_value, out_data.size());
+    broker.PushNormalDataFromApplet(std::make_shared<IStorage>(system, std::move(out_data)));
+    broker.SignalStateChanged();
+}
+
+bool WebBrowser::InputTLVExistsInMap(WebArgInputTLVType input_tlv_type) const {
+    return web_arg_input_tlv_map.find(input_tlv_type) != web_arg_input_tlv_map.end();
+}
+
+std::optional<std::vector<u8>> WebBrowser::GetInputTLVData(WebArgInputTLVType input_tlv_type) {
+    const auto map_it = web_arg_input_tlv_map.find(input_tlv_type);
+
+    if (map_it == web_arg_input_tlv_map.end()) {
+        return std::nullopt;
+    }
+
+    return map_it->second;
+}
+
+void WebBrowser::InitializeShop() {}
+
+void WebBrowser::InitializeLogin() {}
+
+void WebBrowser::InitializeOffline() {
+    const auto document_path =
+        ParseStringValue(GetInputTLVData(WebArgInputTLVType::DocumentPath).value());
+
+    const auto document_kind =
+        ParseRawValue<DocumentKind>(GetInputTLVData(WebArgInputTLVType::DocumentKind).value());
+
+    std::string additional_paths;
+
+    switch (document_kind) {
+    case DocumentKind::OfflineHtmlPage:
+    default:
+        title_id = system.CurrentProcess()->GetTitleID();
+        nca_type = FileSys::ContentRecordType::HtmlDocument;
+        additional_paths = "html-document";
+        break;
+    case DocumentKind::ApplicationLegalInformation:
+        title_id = ParseRawValue<u64>(GetInputTLVData(WebArgInputTLVType::ApplicationID).value());
+        nca_type = FileSys::ContentRecordType::LegalInformation;
+        break;
+    case DocumentKind::SystemDataPage:
+        title_id = ParseRawValue<u64>(GetInputTLVData(WebArgInputTLVType::SystemDataID).value());
+        nca_type = FileSys::ContentRecordType::Data;
+        break;
+    }
+
+    static constexpr std::array<const char*, 3> RESOURCE_TYPES{
+        "manual",
+        "legal_information",
+        "system_data",
+    };
+
+    offline_cache_dir = Common::FS::SanitizePath(
+        fmt::format("{}/offline_web_applet_{}/{:016X}",
+                    Common::FS::GetUserPath(Common::FS::UserPath::CacheDir),
+                    RESOURCE_TYPES[static_cast<u32>(document_kind) - 1], title_id),
+        Common::FS::DirectorySeparator::PlatformDefault);
+
+    offline_document = Common::FS::SanitizePath(
+        fmt::format("{}/{}/{}", offline_cache_dir, additional_paths, document_path),
+        Common::FS::DirectorySeparator::PlatformDefault);
+}
+
+void WebBrowser::InitializeShare() {}
+
+void WebBrowser::InitializeWeb() {
+    external_url = ParseStringValue(GetInputTLVData(WebArgInputTLVType::InitialURL).value());
+}
+
+void WebBrowser::InitializeWifi() {}
+
+void WebBrowser::InitializeLobby() {}
+
+void WebBrowser::ExecuteShop() {
+    LOG_WARNING(Service_AM, "(STUBBED) called, Shop Applet is not implemented");
+    WebBrowserExit(WebExitReason::EndButtonPressed);
+}
+
+void WebBrowser::ExecuteLogin() {
+    LOG_WARNING(Service_AM, "(STUBBED) called, Login Applet is not implemented");
+    WebBrowserExit(WebExitReason::EndButtonPressed);
+}
+
 void WebBrowser::ExecuteOffline() {
-    frontend.OpenPageLocal(
-        filename, [this] { UnpackRomFS(); }, [this] { Finalize(); });
+    const auto main_url = Common::FS::SanitizePath(GetMainURL(offline_document),
+                                                   Common::FS::DirectorySeparator::PlatformDefault);
+
+    if (!Common::FS::Exists(main_url)) {
+        offline_romfs = GetOfflineRomFS(system, title_id, nca_type);
+
+        if (offline_romfs == nullptr) {
+            LOG_ERROR(Service_AM,
+                      "RomFS with title_id={:016X} and nca_type={} cannot be extracted!", title_id,
+                      nca_type);
+            WebBrowserExit(WebExitReason::WindowClosed);
+            return;
+        }
+    }
+
+    LOG_INFO(Service_AM, "Opening offline document at {}", offline_document);
+
+    frontend.OpenLocalWebPage(
+        offline_document, [this] { ExtractOfflineRomFS(); },
+        [this](WebExitReason exit_reason, std::string last_url) {
+            WebBrowserExit(exit_reason, last_url);
+        });
 }
 
+void WebBrowser::ExecuteShare() {
+    LOG_WARNING(Service_AM, "(STUBBED) called, Share Applet is not implemented");
+    WebBrowserExit(WebExitReason::EndButtonPressed);
+}
+
+void WebBrowser::ExecuteWeb() {
+    LOG_INFO(Service_AM, "Opening external URL at {}", external_url);
+
+    frontend.OpenExternalWebPage(external_url,
+                                 [this](WebExitReason exit_reason, std::string last_url) {
+                                     WebBrowserExit(exit_reason, last_url);
+                                 });
+}
+
+void WebBrowser::ExecuteWifi() {
+    LOG_WARNING(Service_AM, "(STUBBED) called, Wifi Applet is not implemented");
+    WebBrowserExit(WebExitReason::EndButtonPressed);
+}
+
+void WebBrowser::ExecuteLobby() {
+    LOG_WARNING(Service_AM, "(STUBBED) called, Lobby Applet is not implemented");
+    WebBrowserExit(WebExitReason::EndButtonPressed);
+}
 } // namespace Service::AM::Applets

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

@@ -1,28 +1,31 @@
-// Copyright 2018 yuzu emulator team
+// Copyright 2020 yuzu Emulator Project
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
 
-#include <map>
+#include <optional>
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
 #include "core/file_sys/vfs_types.h"
-#include "core/hle/service/am/am.h"
+#include "core/hle/result.h"
 #include "core/hle/service/am/applets/applets.h"
+#include "core/hle/service/am/applets/web_types.h"
 
 namespace Core {
 class System;
 }
 
-namespace Service::AM::Applets {
+namespace FileSys {
+enum class ContentRecordType : u8;
+}
 
-enum class ShimKind : u32;
-enum class ShopWebTarget;
-enum class WebArgTLVType : u16;
+namespace Service::AM::Applets {
 
 class WebBrowser final : public Applet {
 public:
-    WebBrowser(Core::System& system_, Core::Frontend::WebBrowserApplet& frontend_,
-               Core::Frontend::ECommerceApplet* frontend_e_commerce_ = nullptr);
+    WebBrowser(Core::System& system_, const Core::Frontend::WebBrowserApplet& frontend_);
 
     ~WebBrowser() override;
 
@@ -33,49 +36,50 @@ public:
     void ExecuteInteractive() override;
     void Execute() override;
 
-    // Callback to be fired when the frontend needs the manual RomFS unpacked to temporary
-    // directory. This is a blocking call and may take a while as some manuals can be up to 100MB in
-    // size. Attempting to access files at filename before invocation is likely to not work.
-    void UnpackRomFS();
+    void ExtractOfflineRomFS();
 
-    // Callback to be fired when the frontend is finished browsing. This will delete the temporary
-    // manual RomFS extracted files, so ensure this is only called at actual finalization.
-    void Finalize();
+    void WebBrowserExit(WebExitReason exit_reason, std::string last_url = "");
 
 private:
-    void InitializeInternal();
-    void ExecuteInternal();
+    bool InputTLVExistsInMap(WebArgInputTLVType input_tlv_type) const;
 
-    // Specific initializers for the types of web applets
+    std::optional<std::vector<u8>> GetInputTLVData(WebArgInputTLVType input_tlv_type);
+
+    // Initializers for the various types of browser applets
     void InitializeShop();
+    void InitializeLogin();
     void InitializeOffline();
+    void InitializeShare();
+    void InitializeWeb();
+    void InitializeWifi();
+    void InitializeLobby();
 
-    // Specific executors for the types of web applets
+    // Executors for the various types of browser applets
     void ExecuteShop();
+    void ExecuteLogin();
     void ExecuteOffline();
+    void ExecuteShare();
+    void ExecuteWeb();
+    void ExecuteWifi();
+    void ExecuteLobby();
 
-    Core::Frontend::WebBrowserApplet& frontend;
+    const Core::Frontend::WebBrowserApplet& frontend;
 
-    // Extra frontends for specialized functions
-    Core::Frontend::ECommerceApplet* frontend_e_commerce;
+    bool complete{false};
+    ResultCode status{RESULT_SUCCESS};
 
-    bool complete = false;
-    bool unpacked = false;
-    ResultCode status = RESULT_SUCCESS;
-
-    ShimKind kind;
-    std::map<WebArgTLVType, std::vector<u8>> args;
+    WebAppletVersion web_applet_version;
+    WebExitReason web_exit_reason;
+    WebArgHeader web_arg_header;
+    WebArgInputTLVMap web_arg_input_tlv_map;
 
+    u64 title_id;
+    FileSys::ContentRecordType nca_type;
+    std::string offline_cache_dir;
+    std::string offline_document;
     FileSys::VirtualFile offline_romfs;
-    std::string temporary_dir;
-    std::string filename;
 
-    ShopWebTarget shop_web_target;
-    std::map<std::string, std::string, std::less<>> shop_query;
-    std::optional<u64> title_id = 0;
-    std::optional<u128> user_id;
-    std::optional<bool> shop_full_display;
-    std::string shop_extra_parameter;
+    std::string external_url;
 
     Core::System& system;
 };

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

@@ -0,0 +1,178 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <unordered_map>
+#include <vector>
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/swap.h"
+
+namespace Service::AM::Applets {
+
+enum class WebAppletVersion : u32_le {
+    Version0 = 0x0,          // Only used by WifiWebAuthApplet
+    Version131072 = 0x20000, // 1.0.0 - 2.3.0
+    Version196608 = 0x30000, // 3.0.0 - 4.1.0
+    Version327680 = 0x50000, // 5.0.0 - 5.1.0
+    Version393216 = 0x60000, // 6.0.0 - 7.0.1
+    Version524288 = 0x80000, // 8.0.0+
+};
+
+enum class ShimKind : u32 {
+    Shop = 1,
+    Login = 2,
+    Offline = 3,
+    Share = 4,
+    Web = 5,
+    Wifi = 6,
+    Lobby = 7,
+};
+
+enum class WebExitReason : u32 {
+    EndButtonPressed = 0,
+    BackButtonPressed = 1,
+    ExitRequested = 2,
+    CallbackURL = 3,
+    WindowClosed = 4,
+    ErrorDialog = 7,
+};
+
+enum class WebArgInputTLVType : u16 {
+    InitialURL = 0x1,
+    CallbackURL = 0x3,
+    CallbackableURL = 0x4,
+    ApplicationID = 0x5,
+    DocumentPath = 0x6,
+    DocumentKind = 0x7,
+    SystemDataID = 0x8,
+    ShareStartPage = 0x9,
+    Whitelist = 0xA,
+    News = 0xB,
+    UserID = 0xE,
+    AlbumEntry0 = 0xF,
+    ScreenShotEnabled = 0x10,
+    EcClientCertEnabled = 0x11,
+    PlayReportEnabled = 0x13,
+    BootDisplayKind = 0x17,
+    BackgroundKind = 0x18,
+    FooterEnabled = 0x19,
+    PointerEnabled = 0x1A,
+    LeftStickMode = 0x1B,
+    KeyRepeatFrame1 = 0x1C,
+    KeyRepeatFrame2 = 0x1D,
+    BootAsMediaPlayerInverted = 0x1E,
+    DisplayURLKind = 0x1F,
+    BootAsMediaPlayer = 0x21,
+    ShopJumpEnabled = 0x22,
+    MediaAutoPlayEnabled = 0x23,
+    LobbyParameter = 0x24,
+    ApplicationAlbumEntry = 0x26,
+    JsExtensionEnabled = 0x27,
+    AdditionalCommentText = 0x28,
+    TouchEnabledOnContents = 0x29,
+    UserAgentAdditionalString = 0x2A,
+    AdditionalMediaData0 = 0x2B,
+    MediaPlayerAutoCloseEnabled = 0x2C,
+    PageCacheEnabled = 0x2D,
+    WebAudioEnabled = 0x2E,
+    YouTubeVideoWhitelist = 0x31,
+    FooterFixedKind = 0x32,
+    PageFadeEnabled = 0x33,
+    MediaCreatorApplicationRatingAge = 0x34,
+    BootLoadingIconEnabled = 0x35,
+    PageScrollIndicatorEnabled = 0x36,
+    MediaPlayerSpeedControlEnabled = 0x37,
+    AlbumEntry1 = 0x38,
+    AlbumEntry2 = 0x39,
+    AlbumEntry3 = 0x3A,
+    AdditionalMediaData1 = 0x3B,
+    AdditionalMediaData2 = 0x3C,
+    AdditionalMediaData3 = 0x3D,
+    BootFooterButton = 0x3E,
+    OverrideWebAudioVolume = 0x3F,
+    OverrideMediaAudioVolume = 0x40,
+    BootMode = 0x41,
+    WebSessionEnabled = 0x42,
+    MediaPlayerOfflineEnabled = 0x43,
+};
+
+enum class WebArgOutputTLVType : u16 {
+    ShareExitReason = 0x1,
+    LastURL = 0x2,
+    LastURLSize = 0x3,
+    SharePostResult = 0x4,
+    PostServiceName = 0x5,
+    PostServiceNameSize = 0x6,
+    PostID = 0x7,
+    PostIDSize = 0x8,
+    MediaPlayerAutoClosedByCompletion = 0x9,
+};
+
+enum class DocumentKind : u32 {
+    OfflineHtmlPage = 1,
+    ApplicationLegalInformation = 2,
+    SystemDataPage = 3,
+};
+
+enum class ShareStartPage : u32 {
+    Default,
+    Settings,
+};
+
+enum class BootDisplayKind : u32 {
+    Default,
+    White,
+    Black,
+};
+
+enum class BackgroundKind : u32 {
+    Default,
+};
+
+enum class LeftStickMode : u32 {
+    Pointer,
+    Cursor,
+};
+
+enum class WebSessionBootMode : u32 {
+    AllForeground,
+    AllForegroundInitiallyHidden,
+};
+
+struct WebArgHeader {
+    u16 total_tlv_entries{};
+    INSERT_PADDING_BYTES(2);
+    ShimKind shim_kind{};
+};
+static_assert(sizeof(WebArgHeader) == 0x8, "WebArgHeader has incorrect size.");
+
+struct WebArgInputTLV {
+    WebArgInputTLVType input_tlv_type{};
+    u16 arg_data_size{};
+    INSERT_PADDING_WORDS(1);
+};
+static_assert(sizeof(WebArgInputTLV) == 0x8, "WebArgInputTLV has incorrect size.");
+
+struct WebArgOutputTLV {
+    WebArgOutputTLVType output_tlv_type{};
+    u16 arg_data_size{};
+    INSERT_PADDING_WORDS(1);
+};
+static_assert(sizeof(WebArgOutputTLV) == 0x8, "WebArgOutputTLV has incorrect size.");
+
+struct WebCommonReturnValue {
+    WebExitReason exit_reason{};
+    INSERT_PADDING_WORDS(1);
+    std::array<char, 0x1000> last_url{};
+    u64 last_url_size{};
+};
+static_assert(sizeof(WebCommonReturnValue) == 0x1010, "WebCommonReturnValue has incorrect size.");
+
+using WebArgInputTLVMap = std::unordered_map<WebArgInputTLVType, std::vector<u8>>;
+
+} // namespace Service::AM::Applets

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

@@ -7,6 +7,7 @@
 #include <vector>
 #include "common/logging/log.h"
 #include "core/core.h"
+#include "core/file_sys/common_funcs.h"
 #include "core/file_sys/content_archive.h"
 #include "core/file_sys/control_metadata.h"
 #include "core/file_sys/nca_metadata.h"
@@ -23,11 +24,8 @@
 
 namespace Service::AOC {
 
-constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
-constexpr u64 DLC_BASE_TO_AOC_ID = 0x1000;
-
 static bool CheckAOCTitleIDMatchesBase(u64 title_id, u64 base) {
-    return (title_id & DLC_BASE_TITLE_ID_MASK) == base;
+    return FileSys::GetBaseTitleID(title_id) == base;
 }
 
 static std::vector<u64> AccumulateAOCTitleIDs(Core::System& system) {
@@ -48,6 +46,62 @@ static std::vector<u64> AccumulateAOCTitleIDs(Core::System& system) {
     return add_on_content;
 }
 
+class IPurchaseEventManager final : public ServiceFramework<IPurchaseEventManager> {
+public:
+    explicit IPurchaseEventManager(Core::System& system_)
+        : ServiceFramework{system_, "IPurchaseEventManager"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, &IPurchaseEventManager::SetDefaultDeliveryTarget, "SetDefaultDeliveryTarget"},
+            {1, &IPurchaseEventManager::SetDeliveryTarget, "SetDeliveryTarget"},
+            {2, &IPurchaseEventManager::GetPurchasedEventReadableHandle, "GetPurchasedEventReadableHandle"},
+            {3, nullptr, "PopPurchasedProductInfo"},
+            {4, nullptr, "PopPurchasedProductInfoWithUid"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+
+        purchased_event = Kernel::WritableEvent::CreateEventPair(
+            system.Kernel(), "IPurchaseEventManager:PurchasedEvent");
+    }
+
+private:
+    void SetDefaultDeliveryTarget(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+
+        const auto unknown_1 = rp.Pop<u64>();
+        [[maybe_unused]] const auto unknown_2 = ctx.ReadBuffer();
+
+        LOG_WARNING(Service_AOC, "(STUBBED) called, unknown_1={}", unknown_1);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void SetDeliveryTarget(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+
+        const auto unknown_1 = rp.Pop<u64>();
+        [[maybe_unused]] const auto unknown_2 = ctx.ReadBuffer();
+
+        LOG_WARNING(Service_AOC, "(STUBBED) called, unknown_1={}", unknown_1);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetPurchasedEventReadableHandle(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_AOC, "called");
+
+        IPC::ResponseBuilder rb{ctx, 2, 1};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushCopyObjects(purchased_event.readable);
+    }
+
+    Kernel::EventPair purchased_event;
+};
+
 AOC_U::AOC_U(Core::System& system_)
     : ServiceFramework{system_, "aoc:u"}, add_on_content{AccumulateAOCTitleIDs(system)} {
     // clang-format off
@@ -62,8 +116,8 @@ AOC_U::AOC_U(Core::System& system_)
         {7, &AOC_U::PrepareAddOnContent, "PrepareAddOnContent"},
         {8, &AOC_U::GetAddOnContentListChangedEvent, "GetAddOnContentListChangedEvent"},
         {9, nullptr, "GetAddOnContentLostErrorCode"},
-        {100, nullptr, "CreateEcPurchasedEventManager"},
-        {101, nullptr, "CreatePermanentEcPurchasedEventManager"},
+        {100, &AOC_U::CreateEcPurchasedEventManager, "CreateEcPurchasedEventManager"},
+        {101, &AOC_U::CreatePermanentEcPurchasedEventManager, "CreatePermanentEcPurchasedEventManager"},
     };
     // clang-format on
 
@@ -123,11 +177,11 @@ void AOC_U::ListAddOnContent(Kernel::HLERequestContext& ctx) {
     const auto& disabled = Settings::values.disabled_addons[current];
     if (std::find(disabled.begin(), disabled.end(), "DLC") == disabled.end()) {
         for (u64 content_id : add_on_content) {
-            if ((content_id & DLC_BASE_TITLE_ID_MASK) != current) {
+            if (FileSys::GetBaseTitleID(content_id) != current) {
                 continue;
             }
 
-            out.push_back(static_cast<u32>(content_id & 0x7FF));
+            out.push_back(static_cast<u32>(FileSys::GetAOCID(content_id)));
         }
     }
 
@@ -169,7 +223,7 @@ void AOC_U::GetAddOnContentBaseId(Kernel::HLERequestContext& ctx) {
 
     const auto res = pm.GetControlMetadata();
     if (res.first == nullptr) {
-        rb.Push(title_id + DLC_BASE_TO_AOC_ID);
+        rb.Push(FileSys::GetAOCBaseTitleID(title_id));
         return;
     }
 
@@ -201,6 +255,22 @@ void AOC_U::GetAddOnContentListChangedEvent(Kernel::HLERequestContext& ctx) {
     rb.PushCopyObjects(aoc_change_event.readable);
 }
 
+void AOC_U::CreateEcPurchasedEventManager(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushIpcInterface<IPurchaseEventManager>(system);
+}
+
+void AOC_U::CreatePermanentEcPurchasedEventManager(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushIpcInterface<IPurchaseEventManager>(system);
+}
+
 void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system) {
     std::make_shared<AOC_U>(system)->InstallAsService(service_manager);
 }

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

@@ -27,6 +27,8 @@ private:
     void GetAddOnContentBaseId(Kernel::HLERequestContext& ctx);
     void PrepareAddOnContent(Kernel::HLERequestContext& ctx);
     void GetAddOnContentListChangedEvent(Kernel::HLERequestContext& ctx);
+    void CreateEcPurchasedEventManager(Kernel::HLERequestContext& ctx);
+    void CreatePermanentEcPurchasedEventManager(Kernel::HLERequestContext& ctx);
 
     std::vector<u64> add_on_content;
     Kernel::EventPair aoc_change_event;

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

@@ -298,6 +298,31 @@ ResultVal<FileSys::VirtualFile> FileSystemController::OpenRomFSCurrentProcess()
     return romfs_factory->OpenCurrentProcess(system.CurrentProcess()->GetTitleID());
 }
 
+ResultVal<FileSys::VirtualFile> FileSystemController::OpenPatchedRomFS(
+    u64 title_id, FileSys::ContentRecordType type) const {
+    LOG_TRACE(Service_FS, "Opening patched RomFS for title_id={:016X}", title_id);
+
+    if (romfs_factory == nullptr) {
+        // TODO: Find a better error code for this
+        return RESULT_UNKNOWN;
+    }
+
+    return romfs_factory->OpenPatchedRomFS(title_id, type);
+}
+
+ResultVal<FileSys::VirtualFile> FileSystemController::OpenPatchedRomFSWithProgramIndex(
+    u64 title_id, u8 program_index, FileSys::ContentRecordType type) const {
+    LOG_TRACE(Service_FS, "Opening patched RomFS for title_id={:016X}, program_index={}", title_id,
+              program_index);
+
+    if (romfs_factory == nullptr) {
+        // TODO: Find a better error code for this
+        return RESULT_UNKNOWN;
+    }
+
+    return romfs_factory->OpenPatchedRomFSWithProgramIndex(title_id, program_index, type);
+}
+
 ResultVal<FileSys::VirtualFile> FileSystemController::OpenRomFS(
     u64 title_id, FileSys::StorageId storage_id, FileSys::ContentRecordType type) const {
     LOG_TRACE(Service_FS, "Opening RomFS for title_id={:016X}, storage_id={:02X}, type={:02X}",

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

@@ -66,6 +66,10 @@ public:
 
     void SetPackedUpdate(FileSys::VirtualFile update_raw);
     ResultVal<FileSys::VirtualFile> OpenRomFSCurrentProcess() const;
+    ResultVal<FileSys::VirtualFile> OpenPatchedRomFS(u64 title_id,
+                                                     FileSys::ContentRecordType type) const;
+    ResultVal<FileSys::VirtualFile> OpenPatchedRomFSWithProgramIndex(
+        u64 title_id, u8 program_index, FileSys::ContentRecordType type) const;
     ResultVal<FileSys::VirtualFile> OpenRomFS(u64 title_id, FileSys::StorageId storage_id,
                                               FileSys::ContentRecordType type) const;
     ResultVal<FileSys::VirtualDir> CreateSaveData(

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

@@ -717,7 +717,7 @@ FSP_SRV::FSP_SRV(Core::System& system_)
         {202, &FSP_SRV::OpenDataStorageByDataId, "OpenDataStorageByDataId"},
         {203, &FSP_SRV::OpenPatchDataStorageByCurrentProcess, "OpenPatchDataStorageByCurrentProcess"},
         {204, nullptr, "OpenDataFileSystemByProgramIndex"},
-        {205, nullptr, "OpenDataStorageByProgramIndex"},
+        {205, &FSP_SRV::OpenDataStorageWithProgramIndex, "OpenDataStorageWithProgramIndex"},
         {400, nullptr, "OpenDeviceOperator"},
         {500, nullptr, "OpenSdCardDetectionEventNotifier"},
         {501, nullptr, "OpenGameCardDetectionEventNotifier"},
@@ -994,6 +994,32 @@ void FSP_SRV::OpenPatchDataStorageByCurrentProcess(Kernel::HLERequestContext& ct
     rb.Push(FileSys::ERROR_ENTITY_NOT_FOUND);
 }
 
+void FSP_SRV::OpenDataStorageWithProgramIndex(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    const auto program_index = rp.PopRaw<u8>();
+
+    LOG_DEBUG(Service_FS, "called, program_index={}", program_index);
+
+    auto romfs = fsc.OpenPatchedRomFSWithProgramIndex(
+        system.CurrentProcess()->GetTitleID(), program_index, FileSys::ContentRecordType::Program);
+
+    if (romfs.Failed()) {
+        // TODO: Find the right error code to use here
+        LOG_ERROR(Service_FS, "could not open storage with program_index={}", program_index);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_UNKNOWN);
+        return;
+    }
+
+    auto storage = std::make_shared<IStorage>(system, std::move(romfs.Unwrap()));
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(RESULT_SUCCESS);
+    rb.PushIpcInterface<IStorage>(std::move(storage));
+}
+
 void FSP_SRV::SetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     log_mode = rp.PopEnum<LogMode>();

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

@@ -49,6 +49,7 @@ private:
     void OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);
     void OpenDataStorageByDataId(Kernel::HLERequestContext& ctx);
     void OpenPatchDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);
+    void OpenDataStorageWithProgramIndex(Kernel::HLERequestContext& ctx);
     void SetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
     void GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
     void OutputAccessLogToSdCard(Kernel::HLERequestContext& ctx);

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

@@ -116,6 +116,31 @@ u32 Controller_NPad::IndexToNPad(std::size_t index) {
     }
 }
 
+bool Controller_NPad::IsNpadIdValid(u32 npad_id) {
+    switch (npad_id) {
+    case 0:
+    case 1:
+    case 2:
+    case 3:
+    case 4:
+    case 5:
+    case 6:
+    case 7:
+    case NPAD_UNKNOWN:
+    case NPAD_HANDHELD:
+        return true;
+    default:
+        LOG_ERROR(Service_HID, "Invalid npad id {}", npad_id);
+        return false;
+    }
+}
+
+bool Controller_NPad::IsDeviceHandleValid(const DeviceHandle& device_handle) {
+    return IsNpadIdValid(device_handle.npad_id) &&
+           device_handle.npad_type < NpadType::MaxNpadType &&
+           device_handle.device_index < DeviceIndex::MaxDeviceIndex;
+}
+
 Controller_NPad::Controller_NPad(Core::System& system) : ControllerBase(system), system(system) {}
 
 Controller_NPad::~Controller_NPad() {
@@ -742,6 +767,10 @@ bool Controller_NPad::VibrateControllerAtIndex(std::size_t npad_index, std::size
 
 void Controller_NPad::VibrateController(const DeviceHandle& vibration_device_handle,
                                         const VibrationValue& vibration_value) {
+    if (!IsDeviceHandleValid(vibration_device_handle)) {
+        return;
+    }
+
     if (!Settings::values.vibration_enabled.GetValue() && !permit_vibration_session_enabled) {
         return;
     }
@@ -798,12 +827,20 @@ void Controller_NPad::VibrateControllers(const std::vector<DeviceHandle>& vibrat
 
 Controller_NPad::VibrationValue Controller_NPad::GetLastVibration(
     const DeviceHandle& vibration_device_handle) const {
+    if (!IsDeviceHandleValid(vibration_device_handle)) {
+        return {};
+    }
+
     const auto npad_index = NPadIdToIndex(vibration_device_handle.npad_id);
     const auto device_index = static_cast<std::size_t>(vibration_device_handle.device_index);
     return latest_vibration_values[npad_index][device_index];
 }
 
 void Controller_NPad::InitializeVibrationDevice(const DeviceHandle& vibration_device_handle) {
+    if (!IsDeviceHandleValid(vibration_device_handle)) {
+        return;
+    }
+
     const auto npad_index = NPadIdToIndex(vibration_device_handle.npad_id);
     const auto device_index = static_cast<std::size_t>(vibration_device_handle.device_index);
     InitializeVibrationDeviceAtIndex(npad_index, device_index);
@@ -824,6 +861,10 @@ void Controller_NPad::SetPermitVibrationSession(bool permit_vibration_session) {
 }
 
 bool Controller_NPad::IsVibrationDeviceMounted(const DeviceHandle& vibration_device_handle) const {
+    if (!IsDeviceHandleValid(vibration_device_handle)) {
+        return false;
+    }
+
     const auto npad_index = NPadIdToIndex(vibration_device_handle.npad_id);
     const auto device_index = static_cast<std::size_t>(vibration_device_handle.device_index);
     return vibration_devices_mounted[npad_index][device_index];
@@ -1017,7 +1058,7 @@ void Controller_NPad::ClearAllControllers() {
 }
 
 u32 Controller_NPad::GetAndResetPressState() {
-    return std::exchange(press_state, 0);
+    return press_state.exchange(0);
 }
 
 bool Controller_NPad::IsControllerSupported(NPadControllerType controller) const {

src/core/hle/service/hid/controllers/npad.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <array>
+#include <atomic>
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "core/frontend/input.h"
@@ -56,12 +57,14 @@ public:
         JoyconLeft = 6,
         JoyconRight = 7,
         Pokeball = 9,
+        MaxNpadType = 10,
     };
 
     enum class DeviceIndex : u8 {
         Left = 0,
         Right = 1,
         None = 2,
+        MaxDeviceIndex = 3,
     };
 
     enum class GyroscopeZeroDriftMode : u32 {
@@ -213,6 +216,8 @@ public:
     static Settings::ControllerType MapNPadToSettingsType(Controller_NPad::NPadControllerType type);
     static std::size_t NPadIdToIndex(u32 npad_id);
     static u32 IndexToNPad(std::size_t index);
+    static bool IsNpadIdValid(u32 npad_id);
+    static bool IsDeviceHandleValid(const DeviceHandle& device_handle);
 
 private:
     struct CommonHeader {
@@ -411,7 +416,7 @@ private:
     bool IsControllerSupported(NPadControllerType controller) const;
     void RequestPadStateUpdate(u32 npad_id);
 
-    u32 press_state{};
+    std::atomic<u32> press_state{};
 
     NpadStyleSet style{};
     std::array<NPadEntry, 10> shared_memory_entries{};

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

@@ -673,7 +673,7 @@ public:
     explicit NS_VM(Core::System& system_) : ServiceFramework{system_, "ns:vm"} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {1200, nullptr, "NeedsUpdateVulnerability"},
+            {1200, &NS_VM::NeedsUpdateVulnerability, "NeedsUpdateVulnerability"},
             {1201, nullptr, "UpdateSafeSystemVersionForDebug"},
             {1202, nullptr, "GetSafeSystemVersion"},
         };
@@ -681,6 +681,15 @@ public:
 
         RegisterHandlers(functions);
     }
+
+private:
+    void NeedsUpdateVulnerability(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_NS, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(false);
+    }
 };
 
 void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system) {

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

@@ -27,29 +27,11 @@
 
 namespace Service::NS {
 
-enum class FontArchives : u64 {
-    Extension = 0x0100000000000810,
-    Standard = 0x0100000000000811,
-    Korean = 0x0100000000000812,
-    ChineseTraditional = 0x0100000000000813,
-    ChineseSimple = 0x0100000000000814,
-};
-
 struct FontRegion {
     u32 offset;
     u32 size;
 };
 
-constexpr std::array<std::pair<FontArchives, const char*>, 7> SHARED_FONTS{
-    std::make_pair(FontArchives::Standard, "nintendo_udsg-r_std_003.bfttf"),
-    std::make_pair(FontArchives::ChineseSimple, "nintendo_udsg-r_org_zh-cn_003.bfttf"),
-    std::make_pair(FontArchives::ChineseSimple, "nintendo_udsg-r_ext_zh-cn_003.bfttf"),
-    std::make_pair(FontArchives::ChineseTraditional, "nintendo_udjxh-db_zh-tw_003.bfttf"),
-    std::make_pair(FontArchives::Korean, "nintendo_udsg-r_ko_003.bfttf"),
-    std::make_pair(FontArchives::Extension, "nintendo_ext_003.bfttf"),
-    std::make_pair(FontArchives::Extension, "nintendo_ext2_003.bfttf"),
-};
-
 // The below data is specific to shared font data dumped from Switch on f/w 2.2
 // Virtual address and offsets/sizes likely will vary by dump
 [[maybe_unused]] constexpr VAddr SHARED_FONT_MEM_VADDR{0x00000009d3016000ULL};
@@ -80,6 +62,18 @@ static void DecryptSharedFont(const std::vector<u32>& input, Kernel::PhysicalMem
     offset += transformed_font.size() * sizeof(u32);
 }
 
+void DecryptSharedFontToTTF(const std::vector<u32>& input, std::vector<u8>& output) {
+    ASSERT_MSG(input[0] == EXPECTED_MAGIC, "Failed to derive key, unexpected magic number");
+
+    const u32 KEY = input[0] ^ EXPECTED_RESULT; // Derive key using an inverse xor
+    std::vector<u32> transformed_font(input.size());
+    // TODO(ogniK): Figure out a better way to do this
+    std::transform(input.begin(), input.end(), transformed_font.begin(),
+                   [&KEY](u32 font_data) { return Common::swap32(font_data ^ KEY); });
+    transformed_font[1] = Common::swap32(transformed_font[1]) ^ KEY; // "re-encrypt" the size
+    std::memcpy(output.data(), transformed_font.data() + 2, transformed_font.size() * sizeof(u32));
+}
+
 void EncryptSharedFont(const std::vector<u32>& input, std::vector<u8>& output,
                        std::size_t& offset) {
     ASSERT_MSG(offset + (input.size() * sizeof(u32)) < SHARED_FONT_MEM_SIZE,

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

@@ -16,6 +16,25 @@ class FileSystemController;
 
 namespace NS {
 
+enum class FontArchives : u64 {
+    Extension = 0x0100000000000810,
+    Standard = 0x0100000000000811,
+    Korean = 0x0100000000000812,
+    ChineseTraditional = 0x0100000000000813,
+    ChineseSimple = 0x0100000000000814,
+};
+
+constexpr std::array<std::pair<FontArchives, const char*>, 7> SHARED_FONTS{
+    std::make_pair(FontArchives::Standard, "nintendo_udsg-r_std_003.bfttf"),
+    std::make_pair(FontArchives::ChineseSimple, "nintendo_udsg-r_org_zh-cn_003.bfttf"),
+    std::make_pair(FontArchives::ChineseSimple, "nintendo_udsg-r_ext_zh-cn_003.bfttf"),
+    std::make_pair(FontArchives::ChineseTraditional, "nintendo_udjxh-db_zh-tw_003.bfttf"),
+    std::make_pair(FontArchives::Korean, "nintendo_udsg-r_ko_003.bfttf"),
+    std::make_pair(FontArchives::Extension, "nintendo_ext_003.bfttf"),
+    std::make_pair(FontArchives::Extension, "nintendo_ext2_003.bfttf"),
+};
+
+void DecryptSharedFontToTTF(const std::vector<u32>& input, std::vector<u8>& output);
 void EncryptSharedFont(const std::vector<u32>& input, std::vector<u8>& output, std::size_t& offset);
 
 class PL_U final : public ServiceFramework<PL_U> {

src/core/hle/service/nvflinger/buffer_queue.cpp

@@ -22,10 +22,11 @@ BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id, u64 layer_id)
 BufferQueue::~BufferQueue() = default;
 
 void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) {
+    ASSERT(slot < buffer_slots);
     LOG_WARNING(Service, "Adding graphics buffer {}", slot);
 
     free_buffers.push_back(slot);
-    queue.push_back({
+    buffers[slot] = {
         .slot = slot,
         .status = Buffer::Status::Free,
         .igbp_buffer = igbp_buffer,
@@ -33,7 +34,7 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer)
         .crop_rect = {},
         .swap_interval = 0,
         .multi_fence = {},
-    });
+    };
 
     buffer_wait_event.writable->Signal();
 }
@@ -44,73 +45,57 @@ std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::Dequeue
     if (free_buffers.empty()) {
         return std::nullopt;
     }
-
     auto f_itr = free_buffers.begin();
-    auto itr = queue.end();
+    auto slot = buffers.size();
 
     while (f_itr != free_buffers.end()) {
-        auto slot = *f_itr;
-        itr = std::find_if(queue.begin(), queue.end(), [&](const Buffer& buffer) {
-            // Only consider free buffers. Buffers become free once again after they've been
-            // Acquired and Released by the compositor, see the NVFlinger::Compose method.
-            if (buffer.status != Buffer::Status::Free) {
-                return false;
-            }
-
-            if (buffer.slot != slot) {
-                return false;
-            }
-
-            // Make sure that the parameters match.
-            return buffer.igbp_buffer.width == width && buffer.igbp_buffer.height == height;
-        });
-
-        if (itr != queue.end()) {
+        const Buffer& buffer = buffers[*f_itr];
+        if (buffer.status == Buffer::Status::Free && buffer.igbp_buffer.width == width &&
+            buffer.igbp_buffer.height == height) {
+            slot = *f_itr;
             free_buffers.erase(f_itr);
             break;
         }
         ++f_itr;
     }
-
-    if (itr == queue.end()) {
+    if (slot == buffers.size()) {
         return std::nullopt;
     }
-
-    itr->status = Buffer::Status::Dequeued;
-    return {{itr->slot, &itr->multi_fence}};
+    buffers[slot].status = Buffer::Status::Dequeued;
+    return {{buffers[slot].slot, &buffers[slot].multi_fence}};
 }
 
 const IGBPBuffer& BufferQueue::RequestBuffer(u32 slot) const {
-    auto itr = std::find_if(queue.begin(), queue.end(),
-                            [&](const Buffer& buffer) { return buffer.slot == slot; });
-    ASSERT(itr != queue.end());
-    ASSERT(itr->status == Buffer::Status::Dequeued);
-    return itr->igbp_buffer;
+    ASSERT(slot < buffers.size());
+    ASSERT(buffers[slot].status == Buffer::Status::Dequeued);
+    ASSERT(buffers[slot].slot == slot);
+
+    return buffers[slot].igbp_buffer;
 }
 
 void BufferQueue::QueueBuffer(u32 slot, BufferTransformFlags transform,
                               const Common::Rectangle<int>& crop_rect, u32 swap_interval,
                               Service::Nvidia::MultiFence& multi_fence) {
-    auto itr = std::find_if(queue.begin(), queue.end(),
-                            [&](const Buffer& buffer) { return buffer.slot == slot; });
-    ASSERT(itr != queue.end());
-    ASSERT(itr->status == Buffer::Status::Dequeued);
-    itr->status = Buffer::Status::Queued;
-    itr->transform = transform;
-    itr->crop_rect = crop_rect;
-    itr->swap_interval = swap_interval;
-    itr->multi_fence = multi_fence;
+    ASSERT(slot < buffers.size());
+    ASSERT(buffers[slot].status == Buffer::Status::Dequeued);
+    ASSERT(buffers[slot].slot == slot);
+
+    buffers[slot].status = Buffer::Status::Queued;
+    buffers[slot].transform = transform;
+    buffers[slot].crop_rect = crop_rect;
+    buffers[slot].swap_interval = swap_interval;
+    buffers[slot].multi_fence = multi_fence;
     queue_sequence.push_back(slot);
 }
 
 void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& multi_fence) {
-    const auto itr = std::find_if(queue.begin(), queue.end(),
-                                  [slot](const Buffer& buffer) { return buffer.slot == slot; });
-    ASSERT(itr != queue.end());
-    ASSERT(itr->status != Buffer::Status::Free);
-    itr->status = Buffer::Status::Free;
-    itr->multi_fence = multi_fence;
-    itr->swap_interval = 0;
+    ASSERT(slot < buffers.size());
+    ASSERT(buffers[slot].status != Buffer::Status::Free);
+    ASSERT(buffers[slot].slot == slot);
+
+    buffers[slot].status = Buffer::Status::Free;
+    buffers[slot].multi_fence = multi_fence;
+    buffers[slot].swap_interval = 0;
 
     free_buffers.push_back(slot);
 
@@ -118,38 +103,39 @@ void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& mult
 }
 
 std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() {
-    auto itr = queue.end();
+    std::size_t buffer_slot = buffers.size();
     // Iterate to find a queued buffer matching the requested slot.
-    while (itr == queue.end() && !queue_sequence.empty()) {
-        const u32 slot = queue_sequence.front();
-        itr = std::find_if(queue.begin(), queue.end(), [&slot](const Buffer& buffer) {
-            return buffer.status == Buffer::Status::Queued && buffer.slot == slot;
-        });
+    while (buffer_slot == buffers.size() && !queue_sequence.empty()) {
+        const auto slot = static_cast<std::size_t>(queue_sequence.front());
+        ASSERT(slot < buffers.size());
+        if (buffers[slot].status == Buffer::Status::Queued) {
+            ASSERT(buffers[slot].slot == slot);
+            buffer_slot = slot;
+        }
         queue_sequence.pop_front();
     }
-    if (itr == queue.end()) {
+    if (buffer_slot == buffers.size()) {
         return std::nullopt;
     }
-    itr->status = Buffer::Status::Acquired;
-    return *itr;
+    buffers[buffer_slot].status = Buffer::Status::Acquired;
+    return {{buffers[buffer_slot]}};
 }
 
 void BufferQueue::ReleaseBuffer(u32 slot) {
-    auto itr = std::find_if(queue.begin(), queue.end(),
-                            [&](const Buffer& buffer) { return buffer.slot == slot; });
-    ASSERT(itr != queue.end());
-    ASSERT(itr->status == Buffer::Status::Acquired);
-    itr->status = Buffer::Status::Free;
+    ASSERT(slot < buffers.size());
+    ASSERT(buffers[slot].status == Buffer::Status::Acquired);
+    ASSERT(buffers[slot].slot == slot);
+
+    buffers[slot].status = Buffer::Status::Free;
     free_buffers.push_back(slot);
 
     buffer_wait_event.writable->Signal();
 }
 
 void BufferQueue::Disconnect() {
-    queue.clear();
+    buffers.fill({});
     queue_sequence.clear();
-    id = 1;
-    layer_id = 1;
+    buffer_wait_event.writable->Signal();
 }
 
 u32 BufferQueue::Query(QueryType type) {

src/core/hle/service/nvflinger/buffer_queue.h

@@ -21,6 +21,7 @@ class KernelCore;
 
 namespace Service::NVFlinger {
 
+constexpr u32 buffer_slots = 0x40;
 struct IGBPBuffer {
     u32_le magic;
     u32_le width;
@@ -114,7 +115,7 @@ private:
     u64 layer_id;
 
     std::list<u32> free_buffers;
-    std::vector<Buffer> queue;
+    std::array<Buffer, buffer_slots> buffers;
     std::list<u32> queue_sequence;
     Kernel::EventPair buffer_wait_event;
 };

src/core/hle/service/pcie/pcie.cpp

@@ -48,7 +48,7 @@ public:
 
 class PCIe final : public ServiceFramework<PCIe> {
 public:
-    explicit PCIe(Core::System& system_) : ServiceFramework{system, "pcie"} {
+    explicit PCIe(Core::System& system_) : ServiceFramework{system_, "pcie"} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, nullptr, "RegisterClassDriver"},

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

@@ -10,8 +10,8 @@
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/client_port.h"
 #include "core/hle/kernel/client_session.h"
+#include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/kernel.h"
-#include "core/hle/kernel/scheduler.h"
 #include "core/hle/service/time/interface.h"
 #include "core/hle/service/time/time.h"
 #include "core/hle/service/time/time_sharedmemory.h"

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

@@ -282,18 +282,24 @@ public:
     void DeserializeData() override {
         [[maybe_unused]] const std::u16string token = ReadInterfaceToken();
         data = Read<Data>();
-        buffer = Read<NVFlinger::IGBPBuffer>();
+        if (data.contains_object != 0) {
+            buffer_container = Read<BufferContainer>();
+        }
     }
 
     struct Data {
         u32_le slot;
-        INSERT_PADDING_WORDS(1);
-        u32_le graphic_buffer_length;
-        INSERT_PADDING_WORDS(1);
+        u32_le contains_object;
     };
 
-    Data data;
-    NVFlinger::IGBPBuffer buffer;
+    struct BufferContainer {
+        u32_le graphic_buffer_length;
+        INSERT_PADDING_WORDS(1);
+        NVFlinger::IGBPBuffer buffer{};
+    };
+
+    Data data{};
+    BufferContainer buffer_container{};
 };
 
 class IGBPSetPreallocatedBufferResponseParcel : public Parcel {
@@ -547,7 +553,7 @@ private:
         case TransactionId::SetPreallocatedBuffer: {
             IGBPSetPreallocatedBufferRequestParcel request{ctx.ReadBuffer()};
 
-            buffer_queue.SetPreallocatedBuffer(request.data.slot, request.buffer);
+            buffer_queue.SetPreallocatedBuffer(request.data.slot, request.buffer_container.buffer);
 
             IGBPSetPreallocatedBufferResponseParcel response{};
             ctx.WriteBuffer(response.Serialize());

src/core/memory.cpp

@@ -4,6 +4,7 @@
 
 #include <algorithm>
 #include <cstring>
+#include <mutex>
 #include <optional>
 #include <utility>
 
@@ -497,7 +498,21 @@ struct Memory::Impl {
         return CopyBlock(*system.CurrentProcess(), dest_addr, src_addr, size);
     }
 
+    struct PageEntry {
+        u8* const pointer;
+        const Common::PageType attribute;
+    };
+
+    PageEntry SafePageEntry(std::size_t base) const {
+        std::lock_guard lock{rasterizer_cache_guard};
+        return {
+            .pointer = current_page_table->pointers[base],
+            .attribute = current_page_table->attributes[base],
+        };
+    }
+
     void RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached) {
+        std::lock_guard lock{rasterizer_cache_guard};
         if (vaddr == 0) {
             return;
         }
@@ -630,16 +645,22 @@ struct Memory::Impl {
      */
     template <typename T>
     T Read(const VAddr vaddr) {
-        const u8* const page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
-        if (page_pointer != nullptr) {
-            // NOTE: Avoid adding any extra logic to this fast-path block
+        // Avoid adding any extra logic to this fast-path block
+        if (const u8* const pointer = current_page_table->pointers[vaddr >> PAGE_BITS]) {
             T value;
-            std::memcpy(&value, &page_pointer[vaddr], sizeof(T));
+            std::memcpy(&value, &pointer[vaddr], sizeof(T));
             return value;
         }
 
-        const Common::PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
-        switch (type) {
+        // Otherwise, we need to grab the page with a lock, in case it is currently being modified
+        const auto entry = SafePageEntry(vaddr >> PAGE_BITS);
+        if (entry.pointer) {
+            T value;
+            std::memcpy(&value, &entry.pointer[vaddr], sizeof(T));
+            return value;
+        }
+
+        switch (entry.attribute) {
         case Common::PageType::Unmapped:
             LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr);
             return 0;
@@ -670,15 +691,21 @@ struct Memory::Impl {
      */
     template <typename T>
     void Write(const VAddr vaddr, const T data) {
-        u8* const page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
-        if (page_pointer != nullptr) {
-            // NOTE: Avoid adding any extra logic to this fast-path block
-            std::memcpy(&page_pointer[vaddr], &data, sizeof(T));
+        // Avoid adding any extra logic to this fast-path block
+        if (u8* const pointer = current_page_table->pointers[vaddr >> PAGE_BITS]) {
+            std::memcpy(&pointer[vaddr], &data, sizeof(T));
             return;
         }
 
-        const Common::PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
-        switch (type) {
+        // Otherwise, we need to grab the page with a lock, in case it is currently being modified
+        const auto entry = SafePageEntry(vaddr >> PAGE_BITS);
+        if (entry.pointer) {
+            // Memory was mapped, we are done
+            std::memcpy(&entry.pointer[vaddr], &data, sizeof(T));
+            return;
+        }
+
+        switch (entry.attribute) {
         case Common::PageType::Unmapped:
             LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8,
                       static_cast<u32>(data), vaddr);
@@ -756,6 +783,7 @@ struct Memory::Impl {
         return true;
     }
 
+    mutable std::mutex rasterizer_cache_guard;
     Common::PageTable* current_page_table = nullptr;
     Core::System& system;
 };

src/core/settings.cpp

@@ -72,8 +72,6 @@ void LogSettings() {
     log_setting("DataStorage_UseVirtualSd", values.use_virtual_sd);
     log_setting("DataStorage_NandDir", Common::FS::GetUserPath(Common::FS::UserPath::NANDDir));
     log_setting("DataStorage_SdmcDir", Common::FS::GetUserPath(Common::FS::UserPath::SDMCDir));
-    log_setting("Debugging_UseGdbstub", values.use_gdbstub);
-    log_setting("Debugging_GdbstubPort", values.gdbstub_port);
     log_setting("Debugging_ProgramArgs", values.program_args);
     log_setting("Services_BCATBackend", values.bcat_backend);
     log_setting("Services_BCATBoxcatLocal", values.bcat_boxcat_local);

src/input_common/gcadapter/gc_poller.cpp

@@ -139,10 +139,10 @@ void GCButtonFactory::EndConfiguration() {
 
 class GCAnalog final : public Input::AnalogDevice {
 public:
-    explicit GCAnalog(u32 port_, u32 axis_x_, u32 axis_y_, float deadzone_,
-                      const GCAdapter::Adapter* adapter, float range_)
-        : port(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), gcadapter(adapter),
-          range(range_) {}
+    explicit GCAnalog(u32 port_, u32 axis_x_, u32 axis_y_, bool invert_x_, bool invert_y_,
+                      float deadzone_, float range_, const GCAdapter::Adapter* adapter)
+        : port(port_), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_), invert_y(invert_y_),
+          deadzone(deadzone_), range(range_), gcadapter(adapter) {}
 
     float GetAxis(u32 axis) const {
         if (gcadapter->DeviceConnected(port)) {
@@ -157,7 +157,12 @@ public:
     std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
         float x = GetAxis(analog_axis_x);
         float y = GetAxis(analog_axis_y);
-
+        if (invert_x) {
+            x = -x;
+        }
+        if (invert_y) {
+            y = -y;
+        }
         // Make sure the coordinates are in the unit circle,
         // otherwise normalize it.
         float r = x * x + y * y;
@@ -200,9 +205,11 @@ private:
     const u32 port;
     const u32 axis_x;
     const u32 axis_y;
+    const bool invert_x;
+    const bool invert_y;
     const float deadzone;
-    const GCAdapter::Adapter* gcadapter;
     const float range;
+    const GCAdapter::Adapter* gcadapter;
     mutable std::mutex mutex;
 };
 
@@ -223,8 +230,13 @@ std::unique_ptr<Input::AnalogDevice> GCAnalogFactory::Create(const Common::Param
     const auto axis_y = static_cast<u32>(params.Get("axis_y", 1));
     const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
     const auto range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
+    const std::string invert_x_value = params.Get("invert_x", "+");
+    const std::string invert_y_value = params.Get("invert_y", "+");
+    const bool invert_x = invert_x_value == "-";
+    const bool invert_y = invert_y_value == "-";
 
-    return std::make_unique<GCAnalog>(port, axis_x, axis_y, deadzone, adapter.get(), range);
+    return std::make_unique<GCAnalog>(port, axis_x, axis_y, invert_x, invert_y, deadzone, range,
+                                      adapter.get());
 }
 
 void GCAnalogFactory::BeginConfiguration() {
@@ -282,6 +294,8 @@ Common::ParamPackage GCAnalogFactory::GetNextInput() {
         params.Set("port", controller_number);
         params.Set("axis_x", analog_x_axis);
         params.Set("axis_y", analog_y_axis);
+        params.Set("invert_x", "+");
+        params.Set("invert_y", "+");
         analog_x_axis = -1;
         analog_y_axis = -1;
         controller_number = -1;

src/input_common/mouse/mouse_poller.cpp

@@ -62,10 +62,10 @@ void MouseButtonFactory::EndConfiguration() {
 
 class MouseAnalog final : public Input::AnalogDevice {
 public:
-    explicit MouseAnalog(u32 port_, u32 axis_x_, u32 axis_y_, float deadzone_, float range_,
-                         const MouseInput::Mouse* mouse_input_)
-        : button(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), range(range_),
-          mouse_input(mouse_input_) {}
+    explicit MouseAnalog(u32 port_, u32 axis_x_, u32 axis_y_, bool invert_x_, bool invert_y_,
+                         float deadzone_, float range_, const MouseInput::Mouse* mouse_input_)
+        : button(port_), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_), invert_y(invert_y_),
+          deadzone(deadzone_), range(range_), mouse_input(mouse_input_) {}
 
     float GetAxis(u32 axis) const {
         std::lock_guard lock{mutex};
@@ -77,6 +77,12 @@ public:
     std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
         float x = GetAxis(analog_axis_x);
         float y = GetAxis(analog_axis_y);
+        if (invert_x) {
+            x = -x;
+        }
+        if (invert_y) {
+            y = -y;
+        }
 
         // Make sure the coordinates are in the unit circle,
         // otherwise normalize it.
@@ -104,6 +110,8 @@ private:
     const u32 button;
     const u32 axis_x;
     const u32 axis_y;
+    const bool invert_x;
+    const bool invert_y;
     const float deadzone;
     const float range;
     const MouseInput::Mouse* mouse_input;
@@ -128,8 +136,13 @@ std::unique_ptr<Input::AnalogDevice> MouseAnalogFactory::Create(
     const auto axis_y = static_cast<u32>(params.Get("axis_y", 1));
     const auto deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
     const auto range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
+    const std::string invert_x_value = params.Get("invert_x", "+");
+    const std::string invert_y_value = params.Get("invert_y", "+");
+    const bool invert_x = invert_x_value == "-";
+    const bool invert_y = invert_y_value == "-";
 
-    return std::make_unique<MouseAnalog>(port, axis_x, axis_y, deadzone, range, mouse_input.get());
+    return std::make_unique<MouseAnalog>(port, axis_x, axis_y, invert_x, invert_y, deadzone, range,
+                                         mouse_input.get());
 }
 
 void MouseAnalogFactory::BeginConfiguration() {
@@ -153,6 +166,8 @@ Common::ParamPackage MouseAnalogFactory::GetNextInput() const {
             params.Set("port", static_cast<u16>(pad.button));
             params.Set("axis_x", 0);
             params.Set("axis_y", 1);
+            params.Set("invert_x", "+");
+            params.Set("invert_y", "+");
             return params;
         }
     }

src/input_common/sdl/sdl_impl.cpp

@@ -352,13 +352,20 @@ private:
 class SDLAnalog final : public Input::AnalogDevice {
 public:
     explicit SDLAnalog(std::shared_ptr<SDLJoystick> joystick_, int axis_x_, int axis_y_,
-                       float deadzone_, float range_)
-        : joystick(std::move(joystick_)), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_),
-          range(range_) {}
+                       bool invert_x_, bool invert_y_, float deadzone_, float range_)
+        : joystick(std::move(joystick_)), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_),
+          invert_y(invert_y_), deadzone(deadzone_), range(range_) {}
 
     std::tuple<float, float> GetStatus() const override {
-        const auto [x, y] = joystick->GetAnalog(axis_x, axis_y, range);
+        auto [x, y] = joystick->GetAnalog(axis_x, axis_y, range);
         const float r = std::sqrt((x * x) + (y * y));
+        if (invert_x) {
+            x = -x;
+        }
+        if (invert_y) {
+            y = -y;
+        }
+
         if (r > deadzone) {
             return std::make_tuple(x / r * (r - deadzone) / (1 - deadzone),
                                    y / r * (r - deadzone) / (1 - deadzone));
@@ -386,6 +393,8 @@ private:
     std::shared_ptr<SDLJoystick> joystick;
     const int axis_x;
     const int axis_y;
+    const bool invert_x;
+    const bool invert_y;
     const float deadzone;
     const float range;
 };
@@ -572,12 +581,17 @@ public:
         const int axis_y = params.Get("axis_y", 1);
         const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
         const float range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
+        const std::string invert_x_value = params.Get("invert_x", "+");
+        const std::string invert_y_value = params.Get("invert_y", "+");
+        const bool invert_x = invert_x_value == "-";
+        const bool invert_y = invert_y_value == "-";
         auto joystick = state.GetSDLJoystickByGUID(guid, port);
 
         // This is necessary so accessing GetAxis with axis_x and axis_y won't crash
         joystick->SetAxis(axis_x, 0);
         joystick->SetAxis(axis_y, 0);
-        return std::make_unique<SDLAnalog>(joystick, axis_x, axis_y, deadzone, range);
+        return std::make_unique<SDLAnalog>(joystick, axis_x, axis_y, invert_x, invert_y, deadzone,
+                                           range);
     }
 
 private:
@@ -886,6 +900,8 @@ Common::ParamPackage BuildParamPackageForAnalog(int port, const std::string& gui
     params.Set("guid", guid);
     params.Set("axis_x", axis_x);
     params.Set("axis_y", axis_y);
+    params.Set("invert_x", "+");
+    params.Set("invert_y", "+");
     return params;
 }
 } // Anonymous namespace

src/input_common/udp/client.cpp

@@ -225,6 +225,11 @@ void Client::OnPortInfo([[maybe_unused]] Response::PortInfo data) {
 }
 
 void Client::OnPadData(Response::PadData data, std::size_t client) {
+    // Accept packets only for the correct pad
+    if (static_cast<u8>(clients[client].pad_index) != data.info.id) {
+        return;
+    }
+
     LOG_TRACE(Input, "PadData packet received");
     if (data.packet_counter == clients[client].packet_sequence) {
         LOG_WARNING(

src/tests/CMakeLists.txt

@@ -2,7 +2,6 @@ add_executable(tests
     common/bit_field.cpp
     common/bit_utils.cpp
     common/fibers.cpp
-    common/multi_level_queue.cpp
     common/param_package.cpp
     common/ring_buffer.cpp
     core/arm/arm_test_common.cpp

src/tests/common/multi_level_queue.cpp

@@ -1,55 +0,0 @@
-// Copyright 2019 Yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <catch2/catch.hpp>
-#include <math.h>
-#include "common/common_types.h"
-#include "common/multi_level_queue.h"
-
-namespace Common {
-
-TEST_CASE("MultiLevelQueue", "[common]") {
-    std::array<f32, 8> values = {0.0, 5.0, 1.0, 9.0, 8.0, 2.0, 6.0, 7.0};
-    Common::MultiLevelQueue<f32, 64> mlq;
-    REQUIRE(mlq.empty());
-    mlq.add(values[2], 2);
-    mlq.add(values[7], 7);
-    mlq.add(values[3], 3);
-    mlq.add(values[4], 4);
-    mlq.add(values[0], 0);
-    mlq.add(values[5], 5);
-    mlq.add(values[6], 6);
-    mlq.add(values[1], 1);
-    u32 index = 0;
-    bool all_set = true;
-    for (auto& f : mlq) {
-        all_set &= (f == values[index]);
-        index++;
-    }
-    REQUIRE(all_set);
-    REQUIRE(!mlq.empty());
-    f32 v = 8.0;
-    mlq.add(v, 2);
-    v = -7.0;
-    mlq.add(v, 2, false);
-    REQUIRE(mlq.front(2) == -7.0);
-    mlq.yield(2);
-    REQUIRE(mlq.front(2) == values[2]);
-    REQUIRE(mlq.back(2) == -7.0);
-    REQUIRE(mlq.empty(8));
-    v = 10.0;
-    mlq.add(v, 8);
-    mlq.adjust(v, 8, 9);
-    REQUIRE(mlq.front(9) == v);
-    REQUIRE(mlq.empty(8));
-    REQUIRE(!mlq.empty(9));
-    mlq.adjust(values[0], 0, 9);
-    REQUIRE(mlq.highest_priority_set() == 1);
-    REQUIRE(mlq.lowest_priority_set() == 9);
-    mlq.remove(values[1], 1);
-    REQUIRE(mlq.highest_priority_set() == 2);
-    REQUIRE(mlq.empty(1));
-}
-
-} // namespace Common

src/video_core/CMakeLists.txt

@@ -25,6 +25,7 @@ add_library(video_core STATIC
     command_classes/vic.h
     compatible_formats.cpp
     compatible_formats.h
+    delayed_destruction_ring.h
     dirty_flags.cpp
     dirty_flags.h
     dma_pusher.cpp
@@ -84,14 +85,10 @@ add_library(video_core STATIC
     renderer_opengl/gl_device.h
     renderer_opengl/gl_fence_manager.cpp
     renderer_opengl/gl_fence_manager.h
-    renderer_opengl/gl_framebuffer_cache.cpp
-    renderer_opengl/gl_framebuffer_cache.h
     renderer_opengl/gl_rasterizer.cpp
     renderer_opengl/gl_rasterizer.h
     renderer_opengl/gl_resource_manager.cpp
     renderer_opengl/gl_resource_manager.h
-    renderer_opengl/gl_sampler_cache.cpp
-    renderer_opengl/gl_sampler_cache.h
     renderer_opengl/gl_shader_cache.cpp
     renderer_opengl/gl_shader_cache.h
     renderer_opengl/gl_shader_decompiler.cpp
@@ -113,10 +110,66 @@ add_library(video_core STATIC
     renderer_opengl/maxwell_to_gl.h
     renderer_opengl/renderer_opengl.cpp
     renderer_opengl/renderer_opengl.h
-    renderer_opengl/utils.cpp
-    renderer_opengl/utils.h
-    sampler_cache.cpp
-    sampler_cache.h
+    renderer_opengl/util_shaders.cpp
+    renderer_opengl/util_shaders.h
+    renderer_vulkan/blit_image.cpp
+    renderer_vulkan/blit_image.h
+    renderer_vulkan/fixed_pipeline_state.cpp
+    renderer_vulkan/fixed_pipeline_state.h
+    renderer_vulkan/maxwell_to_vk.cpp
+    renderer_vulkan/maxwell_to_vk.h
+    renderer_vulkan/nsight_aftermath_tracker.cpp
+    renderer_vulkan/nsight_aftermath_tracker.h
+    renderer_vulkan/renderer_vulkan.h
+    renderer_vulkan/renderer_vulkan.cpp
+    renderer_vulkan/vk_blit_screen.cpp
+    renderer_vulkan/vk_blit_screen.h
+    renderer_vulkan/vk_buffer_cache.cpp
+    renderer_vulkan/vk_buffer_cache.h
+    renderer_vulkan/vk_command_pool.cpp
+    renderer_vulkan/vk_command_pool.h
+    renderer_vulkan/vk_compute_pass.cpp
+    renderer_vulkan/vk_compute_pass.h
+    renderer_vulkan/vk_compute_pipeline.cpp
+    renderer_vulkan/vk_compute_pipeline.h
+    renderer_vulkan/vk_descriptor_pool.cpp
+    renderer_vulkan/vk_descriptor_pool.h
+    renderer_vulkan/vk_device.cpp
+    renderer_vulkan/vk_device.h
+    renderer_vulkan/vk_fence_manager.cpp
+    renderer_vulkan/vk_fence_manager.h
+    renderer_vulkan/vk_graphics_pipeline.cpp
+    renderer_vulkan/vk_graphics_pipeline.h
+    renderer_vulkan/vk_master_semaphore.cpp
+    renderer_vulkan/vk_master_semaphore.h
+    renderer_vulkan/vk_memory_manager.cpp
+    renderer_vulkan/vk_memory_manager.h
+    renderer_vulkan/vk_pipeline_cache.cpp
+    renderer_vulkan/vk_pipeline_cache.h
+    renderer_vulkan/vk_query_cache.cpp
+    renderer_vulkan/vk_query_cache.h
+    renderer_vulkan/vk_rasterizer.cpp
+    renderer_vulkan/vk_rasterizer.h
+    renderer_vulkan/vk_resource_pool.cpp
+    renderer_vulkan/vk_resource_pool.h
+    renderer_vulkan/vk_scheduler.cpp
+    renderer_vulkan/vk_scheduler.h
+    renderer_vulkan/vk_shader_decompiler.cpp
+    renderer_vulkan/vk_shader_decompiler.h
+    renderer_vulkan/vk_shader_util.cpp
+    renderer_vulkan/vk_shader_util.h
+    renderer_vulkan/vk_staging_buffer_pool.cpp
+    renderer_vulkan/vk_staging_buffer_pool.h
+    renderer_vulkan/vk_state_tracker.cpp
+    renderer_vulkan/vk_state_tracker.h
+    renderer_vulkan/vk_stream_buffer.cpp
+    renderer_vulkan/vk_stream_buffer.h
+    renderer_vulkan/vk_swapchain.cpp
+    renderer_vulkan/vk_swapchain.h
+    renderer_vulkan/vk_texture_cache.cpp
+    renderer_vulkan/vk_texture_cache.h
+    renderer_vulkan/vk_update_descriptor.cpp
+    renderer_vulkan/vk_update_descriptor.h
     shader_cache.h
     shader_notify.cpp
     shader_notify.h
@@ -173,96 +226,50 @@ add_library(video_core STATIC
     shader/transform_feedback.h
     surface.cpp
     surface.h
+    texture_cache/accelerated_swizzle.cpp
+    texture_cache/accelerated_swizzle.h
+    texture_cache/decode_bc4.cpp
+    texture_cache/decode_bc4.h
+    texture_cache/descriptor_table.h
+    texture_cache/formatter.cpp
+    texture_cache/formatter.h
     texture_cache/format_lookup_table.cpp
     texture_cache/format_lookup_table.h
-    texture_cache/surface_base.cpp
-    texture_cache/surface_base.h
-    texture_cache/surface_params.cpp
-    texture_cache/surface_params.h
-    texture_cache/surface_view.cpp
-    texture_cache/surface_view.h
+    texture_cache/image_base.cpp
+    texture_cache/image_base.h
+    texture_cache/image_info.cpp
+    texture_cache/image_info.h
+    texture_cache/image_view_base.cpp
+    texture_cache/image_view_base.h
+    texture_cache/image_view_info.cpp
+    texture_cache/image_view_info.h
+    texture_cache/render_targets.h
+    texture_cache/samples_helper.h
+    texture_cache/slot_vector.h
     texture_cache/texture_cache.h
+    texture_cache/types.h
+    texture_cache/util.cpp
+    texture_cache/util.h
     textures/astc.cpp
     textures/astc.h
-    textures/convert.cpp
-    textures/convert.h
     textures/decoders.cpp
     textures/decoders.h
     textures/texture.cpp
     textures/texture.h
     video_core.cpp
     video_core.h
+    vulkan_common/vulkan_debug_callback.cpp
+    vulkan_common/vulkan_debug_callback.h
+    vulkan_common/vulkan_instance.cpp
+    vulkan_common/vulkan_instance.h
+    vulkan_common/vulkan_library.cpp
+    vulkan_common/vulkan_library.h
+    vulkan_common/vulkan_surface.cpp
+    vulkan_common/vulkan_surface.h
+    vulkan_common/vulkan_wrapper.cpp
+    vulkan_common/vulkan_wrapper.h
 )
 
-if (ENABLE_VULKAN)
-    target_sources(video_core PRIVATE
-        renderer_vulkan/fixed_pipeline_state.cpp
-        renderer_vulkan/fixed_pipeline_state.h
-        renderer_vulkan/maxwell_to_vk.cpp
-        renderer_vulkan/maxwell_to_vk.h
-        renderer_vulkan/nsight_aftermath_tracker.cpp
-        renderer_vulkan/nsight_aftermath_tracker.h
-        renderer_vulkan/renderer_vulkan.h
-        renderer_vulkan/renderer_vulkan.cpp
-        renderer_vulkan/vk_blit_screen.cpp
-        renderer_vulkan/vk_blit_screen.h
-        renderer_vulkan/vk_buffer_cache.cpp
-        renderer_vulkan/vk_buffer_cache.h
-        renderer_vulkan/vk_command_pool.cpp
-        renderer_vulkan/vk_command_pool.h
-        renderer_vulkan/vk_compute_pass.cpp
-        renderer_vulkan/vk_compute_pass.h
-        renderer_vulkan/vk_compute_pipeline.cpp
-        renderer_vulkan/vk_compute_pipeline.h
-        renderer_vulkan/vk_descriptor_pool.cpp
-        renderer_vulkan/vk_descriptor_pool.h
-        renderer_vulkan/vk_device.cpp
-        renderer_vulkan/vk_device.h
-        renderer_vulkan/vk_fence_manager.cpp
-        renderer_vulkan/vk_fence_manager.h
-        renderer_vulkan/vk_graphics_pipeline.cpp
-        renderer_vulkan/vk_graphics_pipeline.h
-        renderer_vulkan/vk_image.cpp
-        renderer_vulkan/vk_image.h
-        renderer_vulkan/vk_master_semaphore.cpp
-        renderer_vulkan/vk_master_semaphore.h
-        renderer_vulkan/vk_memory_manager.cpp
-        renderer_vulkan/vk_memory_manager.h
-        renderer_vulkan/vk_pipeline_cache.cpp
-        renderer_vulkan/vk_pipeline_cache.h
-        renderer_vulkan/vk_query_cache.cpp
-        renderer_vulkan/vk_query_cache.h
-        renderer_vulkan/vk_rasterizer.cpp
-        renderer_vulkan/vk_rasterizer.h
-        renderer_vulkan/vk_renderpass_cache.cpp
-        renderer_vulkan/vk_renderpass_cache.h
-        renderer_vulkan/vk_resource_pool.cpp
-        renderer_vulkan/vk_resource_pool.h
-        renderer_vulkan/vk_sampler_cache.cpp
-        renderer_vulkan/vk_sampler_cache.h
-        renderer_vulkan/vk_scheduler.cpp
-        renderer_vulkan/vk_scheduler.h
-        renderer_vulkan/vk_shader_decompiler.cpp
-        renderer_vulkan/vk_shader_decompiler.h
-        renderer_vulkan/vk_shader_util.cpp
-        renderer_vulkan/vk_shader_util.h
-        renderer_vulkan/vk_staging_buffer_pool.cpp
-        renderer_vulkan/vk_staging_buffer_pool.h
-        renderer_vulkan/vk_state_tracker.cpp
-        renderer_vulkan/vk_state_tracker.h
-        renderer_vulkan/vk_stream_buffer.cpp
-        renderer_vulkan/vk_stream_buffer.h
-        renderer_vulkan/vk_swapchain.cpp
-        renderer_vulkan/vk_swapchain.h
-        renderer_vulkan/vk_texture_cache.cpp
-        renderer_vulkan/vk_texture_cache.h
-        renderer_vulkan/vk_update_descriptor.cpp
-        renderer_vulkan/vk_update_descriptor.h
-        renderer_vulkan/wrapper.cpp
-        renderer_vulkan/wrapper.h
-    )
-endif()
-
 create_target_directory_groups(video_core)
 
 target_link_libraries(video_core PUBLIC common core)
@@ -278,12 +285,8 @@ endif()
 
 add_dependencies(video_core host_shaders)
 target_include_directories(video_core PRIVATE ${HOST_SHADERS_INCLUDE})
-
-if (ENABLE_VULKAN)
-    target_include_directories(video_core PRIVATE sirit ../../externals/Vulkan-Headers/include)
-    target_compile_definitions(video_core PRIVATE HAS_VULKAN)
-    target_link_libraries(video_core PRIVATE sirit)
-endif()
+target_include_directories(video_core PRIVATE sirit ../../externals/Vulkan-Headers/include)
+target_link_libraries(video_core PRIVATE sirit)
 
 if (ENABLE_NSIGHT_AFTERMATH)
     if (NOT DEFINED ENV{NSIGHT_AFTERMATH_SDK})
@@ -303,6 +306,7 @@ if (MSVC)
         /we4457 # Declaration of 'identifier' hides function parameter
         /we4458 # Declaration of 'identifier' hides class member
         /we4459 # Declaration of 'identifier' hides global declaration
+        /we4715 # 'function' : not all control paths return a value
     )
 else()
     target_compile_options(video_core PRIVATE

src/video_core/buffer_cache/buffer_cache.h

@@ -118,20 +118,17 @@ public:
     /// Prepares the buffer cache for data uploading
     /// @param max_size Maximum number of bytes that will be uploaded
     /// @return True when a stream buffer invalidation was required, false otherwise
-    bool Map(std::size_t max_size) {
+    void Map(std::size_t max_size) {
         std::lock_guard lock{mutex};
 
-        bool invalidated;
-        std::tie(buffer_ptr, buffer_offset_base, invalidated) = stream_buffer->Map(max_size, 4);
+        std::tie(buffer_ptr, buffer_offset_base) = stream_buffer.Map(max_size, 4);
         buffer_offset = buffer_offset_base;
-
-        return invalidated;
     }
 
     /// Finishes the upload stream
     void Unmap() {
         std::lock_guard lock{mutex};
-        stream_buffer->Unmap(buffer_offset - buffer_offset_base);
+        stream_buffer.Unmap(buffer_offset - buffer_offset_base);
     }
 
     /// Function called at the end of each frame, inteded for deferred operations
@@ -261,9 +258,9 @@ public:
 protected:
     explicit BufferCache(VideoCore::RasterizerInterface& rasterizer_,
                          Tegra::MemoryManager& gpu_memory_, Core::Memory::Memory& cpu_memory_,
-                         std::unique_ptr<StreamBuffer> stream_buffer_)
+                         StreamBuffer& stream_buffer_)
         : rasterizer{rasterizer_}, gpu_memory{gpu_memory_}, cpu_memory{cpu_memory_},
-          stream_buffer{std::move(stream_buffer_)}, stream_buffer_handle{stream_buffer->Handle()} {}
+          stream_buffer{stream_buffer_} {}
 
     ~BufferCache() = default;
 
@@ -441,7 +438,7 @@ private:
 
         buffer_ptr += size;
         buffer_offset += size;
-        return BufferInfo{stream_buffer->Handle(), uploaded_offset, stream_buffer->Address()};
+        return BufferInfo{stream_buffer.Handle(), uploaded_offset, stream_buffer.Address()};
     }
 
     void AlignBuffer(std::size_t alignment) {
@@ -567,9 +564,7 @@ private:
     VideoCore::RasterizerInterface& rasterizer;
     Tegra::MemoryManager& gpu_memory;
     Core::Memory::Memory& cpu_memory;
-
-    std::unique_ptr<StreamBuffer> stream_buffer;
-    BufferType stream_buffer_handle;
+    StreamBuffer& stream_buffer;
 
     u8* buffer_ptr = nullptr;
     u64 buffer_offset = 0;

src/video_core/command_classes/vic.cpp

@@ -9,7 +9,7 @@
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/gpu.h"
 #include "video_core/memory_manager.h"
-#include "video_core/texture_cache/surface_params.h"
+#include "video_core/textures/decoders.h"
 
 extern "C" {
 #include <libswscale/swscale.h>
@@ -105,9 +105,9 @@ void Vic::Execute() {
             const auto size = Tegra::Texture::CalculateSize(true, 4, frame->width, frame->height, 1,
                                                             block_height, 0);
             std::vector<u8> swizzled_data(size);
-            Tegra::Texture::CopySwizzledData(frame->width, frame->height, 1, 4, 4,
-                                             swizzled_data.data(), converted_frame_buffer.get(),
-                                             false, block_height, 0, 1);
+            Tegra::Texture::SwizzleSubrect(frame->width, frame->height, frame->width * 4,
+                                           frame->width, 4, swizzled_data.data(),
+                                           converted_frame_buffer.get(), block_height, 0, 0);
 
             gpu.MemoryManager().WriteBlock(output_surface_luma_address, swizzled_data.data(), size);
             gpu.Maxwell3D().OnMemoryWrite();

src/video_core/compatible_formats.cpp

@@ -3,9 +3,9 @@
 // Refer to the license.txt file included.
 
 #include <array>
-#include <bitset>
 #include <cstddef>
 
+#include "common/common_types.h"
 #include "video_core/compatible_formats.h"
 #include "video_core/surface.h"
 
@@ -13,23 +13,25 @@ namespace VideoCore::Surface {
 
 namespace {
 
+using Table = std::array<std::array<u64, 2>, MaxPixelFormat>;
+
 // Compatibility table taken from Table 3.X.2 in:
 // https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_texture_view.txt
 
-constexpr std::array VIEW_CLASS_128_BITS = {
+constexpr std::array VIEW_CLASS_128_BITS{
     PixelFormat::R32G32B32A32_FLOAT,
     PixelFormat::R32G32B32A32_UINT,
     PixelFormat::R32G32B32A32_SINT,
 };
 
-constexpr std::array VIEW_CLASS_96_BITS = {
+constexpr std::array VIEW_CLASS_96_BITS{
     PixelFormat::R32G32B32_FLOAT,
 };
 // Missing formats:
 // PixelFormat::RGB32UI,
 // PixelFormat::RGB32I,
 
-constexpr std::array VIEW_CLASS_64_BITS = {
+constexpr std::array VIEW_CLASS_64_BITS{
     PixelFormat::R32G32_FLOAT,       PixelFormat::R32G32_UINT,
     PixelFormat::R32G32_SINT,        PixelFormat::R16G16B16A16_FLOAT,
     PixelFormat::R16G16B16A16_UNORM, PixelFormat::R16G16B16A16_SNORM,
@@ -38,7 +40,7 @@ constexpr std::array VIEW_CLASS_64_BITS = {
 
 // TODO: How should we handle 48 bits?
 
-constexpr std::array VIEW_CLASS_32_BITS = {
+constexpr std::array VIEW_CLASS_32_BITS{
     PixelFormat::R16G16_FLOAT,      PixelFormat::B10G11R11_FLOAT, PixelFormat::R32_FLOAT,
     PixelFormat::A2B10G10R10_UNORM, PixelFormat::R16G16_UINT,     PixelFormat::R32_UINT,
     PixelFormat::R16G16_SINT,       PixelFormat::R32_SINT,        PixelFormat::A8B8G8R8_UNORM,
@@ -50,43 +52,105 @@ constexpr std::array VIEW_CLASS_32_BITS = {
 
 // TODO: How should we handle 24 bits?
 
-constexpr std::array VIEW_CLASS_16_BITS = {
+constexpr std::array VIEW_CLASS_16_BITS{
     PixelFormat::R16_FLOAT,  PixelFormat::R8G8_UINT,  PixelFormat::R16_UINT,
     PixelFormat::R16_SINT,   PixelFormat::R8G8_UNORM, PixelFormat::R16_UNORM,
     PixelFormat::R8G8_SNORM, PixelFormat::R16_SNORM,  PixelFormat::R8G8_SINT,
 };
 
-constexpr std::array VIEW_CLASS_8_BITS = {
+constexpr std::array VIEW_CLASS_8_BITS{
     PixelFormat::R8_UINT,
     PixelFormat::R8_UNORM,
     PixelFormat::R8_SINT,
     PixelFormat::R8_SNORM,
 };
 
-constexpr std::array VIEW_CLASS_RGTC1_RED = {
+constexpr std::array VIEW_CLASS_RGTC1_RED{
     PixelFormat::BC4_UNORM,
     PixelFormat::BC4_SNORM,
 };
 
-constexpr std::array VIEW_CLASS_RGTC2_RG = {
+constexpr std::array VIEW_CLASS_RGTC2_RG{
     PixelFormat::BC5_UNORM,
     PixelFormat::BC5_SNORM,
 };
 
-constexpr std::array VIEW_CLASS_BPTC_UNORM = {
+constexpr std::array VIEW_CLASS_BPTC_UNORM{
     PixelFormat::BC7_UNORM,
     PixelFormat::BC7_SRGB,
 };
 
-constexpr std::array VIEW_CLASS_BPTC_FLOAT = {
+constexpr std::array VIEW_CLASS_BPTC_FLOAT{
     PixelFormat::BC6H_SFLOAT,
     PixelFormat::BC6H_UFLOAT,
 };
 
+constexpr std::array VIEW_CLASS_ASTC_4x4_RGBA{
+    PixelFormat::ASTC_2D_4X4_UNORM,
+    PixelFormat::ASTC_2D_4X4_SRGB,
+};
+
+constexpr std::array VIEW_CLASS_ASTC_5x4_RGBA{
+    PixelFormat::ASTC_2D_5X4_UNORM,
+    PixelFormat::ASTC_2D_5X4_SRGB,
+};
+
+constexpr std::array VIEW_CLASS_ASTC_5x5_RGBA{
+    PixelFormat::ASTC_2D_5X5_UNORM,
+    PixelFormat::ASTC_2D_5X5_SRGB,
+};
+
+constexpr std::array VIEW_CLASS_ASTC_6x5_RGBA{
+    PixelFormat::ASTC_2D_6X5_UNORM,
+    PixelFormat::ASTC_2D_6X5_SRGB,
+};
+
+constexpr std::array VIEW_CLASS_ASTC_6x6_RGBA{
+    PixelFormat::ASTC_2D_6X6_UNORM,
+    PixelFormat::ASTC_2D_6X6_SRGB,
+};
+
+constexpr std::array VIEW_CLASS_ASTC_8x5_RGBA{
+    PixelFormat::ASTC_2D_8X5_UNORM,
+    PixelFormat::ASTC_2D_8X5_SRGB,
+};
+
+constexpr std::array VIEW_CLASS_ASTC_8x8_RGBA{
+    PixelFormat::ASTC_2D_8X8_UNORM,
+    PixelFormat::ASTC_2D_8X8_SRGB,
+};
+
+// Missing formats:
+// PixelFormat::ASTC_2D_10X5_UNORM
+// PixelFormat::ASTC_2D_10X5_SRGB
+
+// Missing formats:
+// PixelFormat::ASTC_2D_10X6_UNORM
+// PixelFormat::ASTC_2D_10X6_SRGB
+
+constexpr std::array VIEW_CLASS_ASTC_10x8_RGBA{
+    PixelFormat::ASTC_2D_10X8_UNORM,
+    PixelFormat::ASTC_2D_10X8_SRGB,
+};
+
+constexpr std::array VIEW_CLASS_ASTC_10x10_RGBA{
+    PixelFormat::ASTC_2D_10X10_UNORM,
+    PixelFormat::ASTC_2D_10X10_SRGB,
+};
+
+// Missing formats
+// ASTC_2D_12X10_UNORM,
+// ASTC_2D_12X10_SRGB,
+
+constexpr std::array VIEW_CLASS_ASTC_12x12_RGBA{
+    PixelFormat::ASTC_2D_12X12_UNORM,
+    PixelFormat::ASTC_2D_12X12_SRGB,
+};
+
 // Compatibility table taken from Table 4.X.1 in:
 // https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_copy_image.txt
 
-constexpr std::array COPY_CLASS_128_BITS = {
+constexpr std::array COPY_CLASS_128_BITS{
     PixelFormat::R32G32B32A32_UINT, PixelFormat::R32G32B32A32_FLOAT, PixelFormat::R32G32B32A32_SINT,
     PixelFormat::BC2_UNORM,         PixelFormat::BC2_SRGB,           PixelFormat::BC3_UNORM,
     PixelFormat::BC3_SRGB,          PixelFormat::BC5_UNORM,          PixelFormat::BC5_SNORM,
@@ -97,7 +161,7 @@ constexpr std::array COPY_CLASS_128_BITS = {
 // PixelFormat::RGBA32I
 // COMPRESSED_RG_RGTC2
 
-constexpr std::array COPY_CLASS_64_BITS = {
+constexpr std::array COPY_CLASS_64_BITS{
     PixelFormat::R16G16B16A16_FLOAT, PixelFormat::R16G16B16A16_UINT,
     PixelFormat::R16G16B16A16_UNORM, PixelFormat::R16G16B16A16_SNORM,
     PixelFormat::R16G16B16A16_SINT,  PixelFormat::R32G32_UINT,
@@ -110,32 +174,36 @@ constexpr std::array COPY_CLASS_64_BITS = {
 // COMPRESSED_RGBA_S3TC_DXT1_EXT
 // COMPRESSED_SIGNED_RED_RGTC1
 
-void Enable(FormatCompatibility::Table& compatiblity, size_t format_a, size_t format_b) {
-    compatiblity[format_a][format_b] = true;
-    compatiblity[format_b][format_a] = true;
+constexpr void Enable(Table& table, size_t format_a, size_t format_b) {
+    table[format_a][format_b / 64] |= u64(1) << (format_b % 64);
+    table[format_b][format_a / 64] |= u64(1) << (format_a % 64);
 }
 
-void Enable(FormatCompatibility::Table& compatibility, PixelFormat format_a, PixelFormat format_b) {
-    Enable(compatibility, static_cast<size_t>(format_a), static_cast<size_t>(format_b));
+constexpr void Enable(Table& table, PixelFormat format_a, PixelFormat format_b) {
+    Enable(table, static_cast<size_t>(format_a), static_cast<size_t>(format_b));
 }
 
 template <typename Range>
-void EnableRange(FormatCompatibility::Table& compatibility, const Range& range) {
+constexpr void EnableRange(Table& table, const Range& range) {
     for (auto it_a = range.begin(); it_a != range.end(); ++it_a) {
         for (auto it_b = it_a; it_b != range.end(); ++it_b) {
-            Enable(compatibility, *it_a, *it_b);
+            Enable(table, *it_a, *it_b);
         }
     }
 }
 
-} // Anonymous namespace
+constexpr bool IsSupported(const Table& table, PixelFormat format_a, PixelFormat format_b) {
+    const size_t a = static_cast<size_t>(format_a);
+    const size_t b = static_cast<size_t>(format_b);
+    return ((table[a][b / 64] >> (b % 64)) & 1) != 0;
+}
 
-FormatCompatibility::FormatCompatibility() {
+constexpr Table MakeViewTable() {
+    Table view{};
     for (size_t i = 0; i < MaxPixelFormat; ++i) {
         // Identity is allowed
         Enable(view, i, i);
     }
-
     EnableRange(view, VIEW_CLASS_128_BITS);
     EnableRange(view, VIEW_CLASS_96_BITS);
     EnableRange(view, VIEW_CLASS_64_BITS);
@@ -146,10 +214,36 @@ FormatCompatibility::FormatCompatibility() {
     EnableRange(view, VIEW_CLASS_RGTC2_RG);
     EnableRange(view, VIEW_CLASS_BPTC_UNORM);
     EnableRange(view, VIEW_CLASS_BPTC_FLOAT);
+    EnableRange(view, VIEW_CLASS_ASTC_4x4_RGBA);
+    EnableRange(view, VIEW_CLASS_ASTC_5x4_RGBA);
+    EnableRange(view, VIEW_CLASS_ASTC_5x5_RGBA);
+    EnableRange(view, VIEW_CLASS_ASTC_6x5_RGBA);
+    EnableRange(view, VIEW_CLASS_ASTC_6x6_RGBA);
+    EnableRange(view, VIEW_CLASS_ASTC_8x5_RGBA);
+    EnableRange(view, VIEW_CLASS_ASTC_8x8_RGBA);
+    EnableRange(view, VIEW_CLASS_ASTC_10x8_RGBA);
+    EnableRange(view, VIEW_CLASS_ASTC_10x10_RGBA);
+    EnableRange(view, VIEW_CLASS_ASTC_12x12_RGBA);
+    return view;
+}
 
-    copy = view;
+constexpr Table MakeCopyTable() {
+    Table copy = MakeViewTable();
     EnableRange(copy, COPY_CLASS_128_BITS);
     EnableRange(copy, COPY_CLASS_64_BITS);
+    return copy;
+}
+
+} // Anonymous namespace
+
+bool IsViewCompatible(PixelFormat format_a, PixelFormat format_b) {
+    static constexpr Table TABLE = MakeViewTable();
+    return IsSupported(TABLE, format_a, format_b);
+}
+
+bool IsCopyCompatible(PixelFormat format_a, PixelFormat format_b) {
+    static constexpr Table TABLE = MakeCopyTable();
+    return IsSupported(TABLE, format_a, format_b);
 }
 
 } // namespace VideoCore::Surface

src/video_core/compatible_formats.h

@@ -4,31 +4,12 @@
 
 #pragma once
 
-#include <array>
-#include <bitset>
-#include <cstddef>
-
 #include "video_core/surface.h"
 
 namespace VideoCore::Surface {
 
-class FormatCompatibility {
-public:
-    using Table = std::array<std::bitset<MaxPixelFormat>, MaxPixelFormat>;
+bool IsViewCompatible(PixelFormat format_a, PixelFormat format_b);
 
-    explicit FormatCompatibility();
-
-    bool TestView(PixelFormat format_a, PixelFormat format_b) const noexcept {
-        return view[static_cast<size_t>(format_a)][static_cast<size_t>(format_b)];
-    }
-
-    bool TestCopy(PixelFormat format_a, PixelFormat format_b) const noexcept {
-        return copy[static_cast<size_t>(format_a)][static_cast<size_t>(format_b)];
-    }
-
-private:
-    Table view;
-    Table copy;
-};
+bool IsCopyCompatible(PixelFormat format_a, PixelFormat format_b);
 
 } // namespace VideoCore::Surface

src/video_core/delayed_destruction_ring.h

@@ -0,0 +1,32 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <cstddef>
+#include <utility>
+#include <vector>
+
+namespace VideoCommon {
+
+/// Container to push objects to be destroyed a few ticks in the future
+template <typename T, size_t TICKS_TO_DESTROY>
+class DelayedDestructionRing {
+public:
+    void Tick() {
+        index = (index + 1) % TICKS_TO_DESTROY;
+        elements[index].clear();
+    }
+
+    void Push(T&& object) {
+        elements[index].push_back(std::move(object));
+    }
+
+private:
+    size_t index = 0;
+    std::array<std::vector<T>, TICKS_TO_DESTROY> elements;
+};
+
+} // namespace VideoCommon

src/video_core/dirty_flags.cpp

@@ -16,6 +16,9 @@ namespace VideoCommon::Dirty {
 using Tegra::Engines::Maxwell3D;
 
 void SetupDirtyRenderTargets(Tegra::Engines::Maxwell3D::DirtyState::Tables& tables) {
+    FillBlock(tables[0], OFF(tic), NUM(tic), Descriptors);
+    FillBlock(tables[0], OFF(tsc), NUM(tsc), Descriptors);
+
     static constexpr std::size_t num_per_rt = NUM(rt[0]);
     static constexpr std::size_t begin = OFF(rt);
     static constexpr std::size_t num = num_per_rt * Maxwell3D::Regs::NumRenderTargets;
@@ -23,6 +26,10 @@ void SetupDirtyRenderTargets(Tegra::Engines::Maxwell3D::DirtyState::Tables& tabl
         FillBlock(tables[0], begin + rt * num_per_rt, num_per_rt, ColorBuffer0 + rt);
     }
     FillBlock(tables[1], begin, num, RenderTargets);
+    FillBlock(tables[0], OFF(render_area), NUM(render_area), RenderTargets);
+
+    tables[0][OFF(rt_control)] = RenderTargets;
+    tables[1][OFF(rt_control)] = RenderTargetControl;
 
     static constexpr std::array zeta_flags{ZetaBuffer, RenderTargets};
     for (std::size_t i = 0; i < std::size(zeta_flags); ++i) {

src/video_core/dirty_flags.h

@@ -16,7 +16,10 @@ namespace VideoCommon::Dirty {
 enum : u8 {
     NullEntry = 0,
 
+    Descriptors,
+
     RenderTargets,
+    RenderTargetControl,
     ColorBuffer0,
     ColorBuffer1,
     ColorBuffer2,

src/video_core/engines/fermi_2d.cpp

@@ -10,7 +10,11 @@
 
 namespace Tegra::Engines {
 
-Fermi2D::Fermi2D() = default;
+Fermi2D::Fermi2D() {
+    // Nvidia's OpenGL driver seems to assume these values
+    regs.src.depth = 1;
+    regs.dst.depth = 1;
+}
 
 Fermi2D::~Fermi2D() = default;
 
@@ -21,78 +25,43 @@ void Fermi2D::BindRasterizer(VideoCore::RasterizerInterface& rasterizer_) {
 void Fermi2D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
     ASSERT_MSG(method < Regs::NUM_REGS,
                "Invalid Fermi2D register, increase the size of the Regs structure");
-
     regs.reg_array[method] = method_argument;
 
-    switch (method) {
-    // Trigger the surface copy on the last register write. This is blit_src_y, but this is 64-bit,
-    // so trigger on the second 32-bit write.
-    case FERMI2D_REG_INDEX(blit_src_y) + 1: {
-        HandleSurfaceCopy();
-        break;
-    }
+    if (method == FERMI2D_REG_INDEX(pixels_from_memory.src_y0) + 1) {
+        Blit();
     }
 }
 
 void Fermi2D::CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending) {
-    for (std::size_t i = 0; i < amount; i++) {
-        CallMethod(method, base_start[i], methods_pending - static_cast<u32>(i) <= 1);
+    for (u32 i = 0; i < amount; ++i) {
+        CallMethod(method, base_start[i], methods_pending - i <= 1);
     }
 }
 
-static std::pair<u32, u32> DelimitLine(u32 src_1, u32 src_2, u32 dst_1, u32 dst_2, u32 src_line) {
-    const u32 line_a = src_2 - src_1;
-    const u32 line_b = dst_2 - dst_1;
-    const u32 excess = std::max<s32>(0, line_a - src_line + src_1);
-    return {line_b - (excess * line_b) / line_a, excess};
-}
+void Fermi2D::Blit() {
+    LOG_DEBUG(HW_GPU, "called. source address=0x{:x}, destination address=0x{:x}",
+              regs.src.Address(), regs.dst.Address());
 
-void Fermi2D::HandleSurfaceCopy() {
-    LOG_DEBUG(HW_GPU, "Requested a surface copy with operation {}", regs.operation);
+    UNIMPLEMENTED_IF_MSG(regs.operation != Operation::SrcCopy, "Operation is not copy");
+    UNIMPLEMENTED_IF_MSG(regs.src.layer != 0, "Source layer is not zero");
+    UNIMPLEMENTED_IF_MSG(regs.dst.layer != 0, "Destination layer is not zero");
+    UNIMPLEMENTED_IF_MSG(regs.src.depth != 1, "Source depth is not one");
+    UNIMPLEMENTED_IF_MSG(regs.clip_enable != 0, "Clipped blit enabled");
 
-    // TODO(Subv): Only raw copies are implemented.
-    ASSERT(regs.operation == Operation::SrcCopy);
-
-    const u32 src_blit_x1{static_cast<u32>(regs.blit_src_x >> 32)};
-    const u32 src_blit_y1{static_cast<u32>(regs.blit_src_y >> 32)};
-    u32 src_blit_x2, src_blit_y2;
-    if (regs.blit_control.origin == Origin::Corner) {
-        src_blit_x2 =
-            static_cast<u32>((regs.blit_src_x + (regs.blit_du_dx * regs.blit_dst_width)) >> 32);
-        src_blit_y2 =
-            static_cast<u32>((regs.blit_src_y + (regs.blit_dv_dy * regs.blit_dst_height)) >> 32);
-    } else {
-        src_blit_x2 = static_cast<u32>((regs.blit_src_x >> 32) + regs.blit_dst_width);
-        src_blit_y2 = static_cast<u32>((regs.blit_src_y >> 32) + regs.blit_dst_height);
-    }
-    u32 dst_blit_x2 = regs.blit_dst_x + regs.blit_dst_width;
-    u32 dst_blit_y2 = regs.blit_dst_y + regs.blit_dst_height;
-    const auto [new_dst_w, src_excess_x] =
-        DelimitLine(src_blit_x1, src_blit_x2, regs.blit_dst_x, dst_blit_x2, regs.src.width);
-    const auto [new_dst_h, src_excess_y] =
-        DelimitLine(src_blit_y1, src_blit_y2, regs.blit_dst_y, dst_blit_y2, regs.src.height);
-    dst_blit_x2 = new_dst_w + regs.blit_dst_x;
-    src_blit_x2 = src_blit_x2 - src_excess_x;
-    dst_blit_y2 = new_dst_h + regs.blit_dst_y;
-    src_blit_y2 = src_blit_y2 - src_excess_y;
-    const auto [new_src_w, dst_excess_x] =
-        DelimitLine(regs.blit_dst_x, dst_blit_x2, src_blit_x1, src_blit_x2, regs.dst.width);
-    const auto [new_src_h, dst_excess_y] =
-        DelimitLine(regs.blit_dst_y, dst_blit_y2, src_blit_y1, src_blit_y2, regs.dst.height);
-    src_blit_x2 = new_src_w + src_blit_x1;
-    dst_blit_x2 = dst_blit_x2 - dst_excess_x;
-    src_blit_y2 = new_src_h + src_blit_y1;
-    dst_blit_y2 = dst_blit_y2 - dst_excess_y;
-    const Common::Rectangle<u32> src_rect{src_blit_x1, src_blit_y1, src_blit_x2, src_blit_y2};
-    const Common::Rectangle<u32> dst_rect{regs.blit_dst_x, regs.blit_dst_y, dst_blit_x2,
-                                          dst_blit_y2};
-    const Config copy_config{
+    const auto& args = regs.pixels_from_memory;
+    const Config config{
         .operation = regs.operation,
-        .filter = regs.blit_control.filter,
-        .src_rect = src_rect,
-        .dst_rect = dst_rect,
+        .filter = args.sample_mode.filter,
+        .dst_x0 = args.dst_x0,
+        .dst_y0 = args.dst_y0,
+        .dst_x1 = args.dst_x0 + args.dst_width,
+        .dst_y1 = args.dst_y0 + args.dst_height,
+        .src_x0 = static_cast<s32>(args.src_x0 >> 32),
+        .src_y0 = static_cast<s32>(args.src_y0 >> 32),
+        .src_x1 = static_cast<s32>((args.du_dx * args.dst_width + args.src_x0) >> 32),
+        .src_y1 = static_cast<s32>((args.dv_dy * args.dst_height + args.src_y0) >> 32),
     };
-    if (!rasterizer->AccelerateSurfaceCopy(regs.src, regs.dst, copy_config)) {
+    if (!rasterizer->AccelerateSurfaceCopy(regs.src, regs.dst, config)) {
         UNIMPLEMENTED();
     }
 }

src/video_core/engines/fermi_2d.h

@@ -53,8 +53,8 @@ public:
     };
 
     enum class Filter : u32 {
-        PointSample = 0, // Nearest
-        Linear = 1,
+        Point = 0,
+        Bilinear = 1,
     };
 
     enum class Operation : u32 {
@@ -67,88 +67,235 @@ public:
         BlendPremult = 6,
     };
 
-    struct Regs {
-        static constexpr std::size_t NUM_REGS = 0x258;
+    enum class MemoryLayout : u32 {
+        BlockLinear = 0,
+        Pitch = 1,
+    };
 
-        struct Surface {
-            RenderTargetFormat format;
-            BitField<0, 1, u32> linear;
-            union {
-                BitField<0, 4, u32> block_width;
-                BitField<4, 4, u32> block_height;
-                BitField<8, 4, u32> block_depth;
-            };
-            u32 depth;
-            u32 layer;
-            u32 pitch;
-            u32 width;
-            u32 height;
-            u32 address_high;
-            u32 address_low;
-
-            GPUVAddr Address() const {
-                return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
-                                             address_low);
-            }
-
-            u32 BlockWidth() const {
-                return block_width.Value();
-            }
-
-            u32 BlockHeight() const {
-                return block_height.Value();
-            }
-
-            u32 BlockDepth() const {
-                return block_depth.Value();
-            }
-        };
-        static_assert(sizeof(Surface) == 0x28, "Surface has incorrect size");
+    enum class CpuIndexWrap : u32 {
+        Wrap = 0,
+        NoWrap = 1,
+    };
 
+    struct Surface {
+        RenderTargetFormat format;
+        MemoryLayout linear;
         union {
+            BitField<0, 4, u32> block_width;
+            BitField<4, 4, u32> block_height;
+            BitField<8, 4, u32> block_depth;
+        };
+        u32 depth;
+        u32 layer;
+        u32 pitch;
+        u32 width;
+        u32 height;
+        u32 addr_upper;
+        u32 addr_lower;
+
+        [[nodiscard]] constexpr GPUVAddr Address() const noexcept {
+            return (static_cast<GPUVAddr>(addr_upper) << 32) | static_cast<GPUVAddr>(addr_lower);
+        }
+    };
+    static_assert(sizeof(Surface) == 0x28, "Surface has incorrect size");
+
+    enum class SectorPromotion : u32 {
+        NoPromotion = 0,
+        PromoteTo2V = 1,
+        PromoteTo2H = 2,
+        PromoteTo4 = 3,
+    };
+
+    enum class NumTpcs : u32 {
+        All = 0,
+        One = 1,
+    };
+
+    enum class RenderEnableMode : u32 {
+        False = 0,
+        True = 1,
+        Conditional = 2,
+        RenderIfEqual = 3,
+        RenderIfNotEqual = 4,
+    };
+
+    enum class ColorKeyFormat : u32 {
+        A16R56G6B5 = 0,
+        A1R5G55B5 = 1,
+        A8R8G8B8 = 2,
+        A2R10G10B10 = 3,
+        Y8 = 4,
+        Y16 = 5,
+        Y32 = 6,
+    };
+
+    union Beta4 {
+        BitField<0, 8, u32> b;
+        BitField<8, 8, u32> g;
+        BitField<16, 8, u32> r;
+        BitField<24, 8, u32> a;
+    };
+
+    struct Point {
+        u32 x;
+        u32 y;
+    };
+
+    enum class PatternSelect : u32 {
+        MonoChrome8x8 = 0,
+        MonoChrome64x1 = 1,
+        MonoChrome1x64 = 2,
+        Color = 3,
+    };
+
+    enum class NotifyType : u32 {
+        WriteOnly = 0,
+        WriteThenAwaken = 1,
+    };
+
+    enum class MonochromePatternColorFormat : u32 {
+        A8X8R8G6B5 = 0,
+        A1R5G5B5 = 1,
+        A8R8G8B8 = 2,
+        A8Y8 = 3,
+        A8X8Y16 = 4,
+        Y32 = 5,
+    };
+
+    enum class MonochromePatternFormat : u32 {
+        CGA6_M1 = 0,
+        LE_M1 = 1,
+    };
+
+    union Regs {
+        static constexpr std::size_t NUM_REGS = 0x258;
+        struct {
+            u32 object;
+            INSERT_UNION_PADDING_WORDS(0x3F);
+            u32 no_operation;
+            NotifyType notify;
+            INSERT_UNION_PADDING_WORDS(0x2);
+            u32 wait_for_idle;
+            INSERT_UNION_PADDING_WORDS(0xB);
+            u32 pm_trigger;
+            INSERT_UNION_PADDING_WORDS(0xF);
+            u32 context_dma_notify;
+            u32 dst_context_dma;
+            u32 src_context_dma;
+            u32 semaphore_context_dma;
+            INSERT_UNION_PADDING_WORDS(0x1C);
+            Surface dst;
+            CpuIndexWrap pixels_from_cpu_index_wrap;
+            u32 kind2d_check_enable;
+            Surface src;
+            SectorPromotion pixels_from_memory_sector_promotion;
+            INSERT_UNION_PADDING_WORDS(0x1);
+            NumTpcs num_tpcs;
+            u32 render_enable_addr_upper;
+            u32 render_enable_addr_lower;
+            RenderEnableMode render_enable_mode;
+            INSERT_UNION_PADDING_WORDS(0x4);
+            u32 clip_x0;
+            u32 clip_y0;
+            u32 clip_width;
+            u32 clip_height;
+            BitField<0, 1, u32> clip_enable;
+            BitField<0, 3, ColorKeyFormat> color_key_format;
+            u32 color_key;
+            BitField<0, 1, u32> color_key_enable;
+            BitField<0, 8, u32> rop;
+            u32 beta1;
+            Beta4 beta4;
+            Operation operation;
+            union {
+                BitField<0, 6, u32> x;
+                BitField<8, 6, u32> y;
+            } pattern_offset;
+            BitField<0, 2, PatternSelect> pattern_select;
+            INSERT_UNION_PADDING_WORDS(0xC);
             struct {
-                INSERT_UNION_PADDING_WORDS(0x80);
-
-                Surface dst;
-
-                INSERT_UNION_PADDING_WORDS(2);
-
-                Surface src;
-
-                INSERT_UNION_PADDING_WORDS(0x15);
-
-                Operation operation;
-
-                INSERT_UNION_PADDING_WORDS(0x177);
-
+                BitField<0, 3, MonochromePatternColorFormat> color_format;
+                BitField<0, 1, MonochromePatternFormat> format;
+                u32 color0;
+                u32 color1;
+                u32 pattern0;
+                u32 pattern1;
+            } monochrome_pattern;
+            struct {
+                std::array<u32, 0x40> X8R8G8B8;
+                std::array<u32, 0x20> R5G6B5;
+                std::array<u32, 0x20> X1R5G5B5;
+                std::array<u32, 0x10> Y8;
+            } color_pattern;
+            INSERT_UNION_PADDING_WORDS(0x10);
+            struct {
+                u32 prim_mode;
+                u32 prim_color_format;
+                u32 prim_color;
+                u32 line_tie_break_bits;
+                INSERT_UNION_PADDING_WORDS(0x14);
+                u32 prim_point_xy;
+                INSERT_UNION_PADDING_WORDS(0x7);
+                std::array<Point, 0x40> prim_point;
+            } render_solid;
+            struct {
+                u32 data_type;
+                u32 color_format;
+                u32 index_format;
+                u32 mono_format;
+                u32 wrap;
+                u32 color0;
+                u32 color1;
+                u32 mono_opacity;
+                INSERT_UNION_PADDING_WORDS(0x6);
+                u32 src_width;
+                u32 src_height;
+                u32 dx_du_frac;
+                u32 dx_du_int;
+                u32 dx_dv_frac;
+                u32 dy_dv_int;
+                u32 dst_x0_frac;
+                u32 dst_x0_int;
+                u32 dst_y0_frac;
+                u32 dst_y0_int;
+                u32 data;
+            } pixels_from_cpu;
+            INSERT_UNION_PADDING_WORDS(0x3);
+            u32 big_endian_control;
+            INSERT_UNION_PADDING_WORDS(0x3);
+            struct {
+                BitField<0, 3, u32> block_shape;
+                BitField<0, 5, u32> corral_size;
+                BitField<0, 1, u32> safe_overlap;
                 union {
-                    u32 raw;
                     BitField<0, 1, Origin> origin;
                     BitField<4, 1, Filter> filter;
-                } blit_control;
-
+                } sample_mode;
                 INSERT_UNION_PADDING_WORDS(0x8);
-
-                u32 blit_dst_x;
-                u32 blit_dst_y;
-                u32 blit_dst_width;
-                u32 blit_dst_height;
-                u64 blit_du_dx;
-                u64 blit_dv_dy;
-                u64 blit_src_x;
-                u64 blit_src_y;
-
-                INSERT_UNION_PADDING_WORDS(0x21);
-            };
-            std::array<u32, NUM_REGS> reg_array;
+                s32 dst_x0;
+                s32 dst_y0;
+                s32 dst_width;
+                s32 dst_height;
+                s64 du_dx;
+                s64 dv_dy;
+                s64 src_x0;
+                s64 src_y0;
+            } pixels_from_memory;
         };
+        std::array<u32, NUM_REGS> reg_array;
     } regs{};
 
     struct Config {
-        Operation operation{};
-        Filter filter{};
-        Common::Rectangle<u32> src_rect;
-        Common::Rectangle<u32> dst_rect;
+        Operation operation;
+        Filter filter;
+        s32 dst_x0;
+        s32 dst_y0;
+        s32 dst_x1;
+        s32 dst_y1;
+        s32 src_x0;
+        s32 src_y0;
+        s32 src_x1;
+        s32 src_y1;
     };
 
 private:
@@ -156,25 +303,49 @@ private:
 
     /// Performs the copy from the source surface to the destination surface as configured in the
     /// registers.
-    void HandleSurfaceCopy();
+    void Blit();
 };
 
 #define ASSERT_REG_POSITION(field_name, position)                                                  \
-    static_assert(offsetof(Fermi2D::Regs, field_name) == position * 4,                             \
+    static_assert(offsetof(Fermi2D::Regs, field_name) == position,                                 \
                   "Field " #field_name " has invalid position")
 
-ASSERT_REG_POSITION(dst, 0x80);
-ASSERT_REG_POSITION(src, 0x8C);
-ASSERT_REG_POSITION(operation, 0xAB);
-ASSERT_REG_POSITION(blit_control, 0x223);
-ASSERT_REG_POSITION(blit_dst_x, 0x22c);
-ASSERT_REG_POSITION(blit_dst_y, 0x22d);
-ASSERT_REG_POSITION(blit_dst_width, 0x22e);
-ASSERT_REG_POSITION(blit_dst_height, 0x22f);
-ASSERT_REG_POSITION(blit_du_dx, 0x230);
-ASSERT_REG_POSITION(blit_dv_dy, 0x232);
-ASSERT_REG_POSITION(blit_src_x, 0x234);
-ASSERT_REG_POSITION(blit_src_y, 0x236);
+ASSERT_REG_POSITION(object, 0x0);
+ASSERT_REG_POSITION(no_operation, 0x100);
+ASSERT_REG_POSITION(notify, 0x104);
+ASSERT_REG_POSITION(wait_for_idle, 0x110);
+ASSERT_REG_POSITION(pm_trigger, 0x140);
+ASSERT_REG_POSITION(context_dma_notify, 0x180);
+ASSERT_REG_POSITION(dst_context_dma, 0x184);
+ASSERT_REG_POSITION(src_context_dma, 0x188);
+ASSERT_REG_POSITION(semaphore_context_dma, 0x18C);
+ASSERT_REG_POSITION(dst, 0x200);
+ASSERT_REG_POSITION(pixels_from_cpu_index_wrap, 0x228);
+ASSERT_REG_POSITION(kind2d_check_enable, 0x22C);
+ASSERT_REG_POSITION(src, 0x230);
+ASSERT_REG_POSITION(pixels_from_memory_sector_promotion, 0x258);
+ASSERT_REG_POSITION(num_tpcs, 0x260);
+ASSERT_REG_POSITION(render_enable_addr_upper, 0x264);
+ASSERT_REG_POSITION(render_enable_addr_lower, 0x268);
+ASSERT_REG_POSITION(clip_x0, 0x280);
+ASSERT_REG_POSITION(clip_y0, 0x284);
+ASSERT_REG_POSITION(clip_width, 0x288);
+ASSERT_REG_POSITION(clip_height, 0x28c);
+ASSERT_REG_POSITION(clip_enable, 0x290);
+ASSERT_REG_POSITION(color_key_format, 0x294);
+ASSERT_REG_POSITION(color_key, 0x298);
+ASSERT_REG_POSITION(rop, 0x2A0);
+ASSERT_REG_POSITION(beta1, 0x2A4);
+ASSERT_REG_POSITION(beta4, 0x2A8);
+ASSERT_REG_POSITION(operation, 0x2AC);
+ASSERT_REG_POSITION(pattern_offset, 0x2B0);
+ASSERT_REG_POSITION(pattern_select, 0x2B4);
+ASSERT_REG_POSITION(monochrome_pattern, 0x2E8);
+ASSERT_REG_POSITION(color_pattern, 0x300);
+ASSERT_REG_POSITION(render_solid, 0x580);
+ASSERT_REG_POSITION(pixels_from_cpu, 0x800);
+ASSERT_REG_POSITION(big_endian_control, 0x870);
+ASSERT_REG_POSITION(pixels_from_memory, 0x880);
 
 #undef ASSERT_REG_POSITION
 

src/video_core/engines/kepler_compute.cpp

@@ -58,24 +58,6 @@ void KeplerCompute::CallMultiMethod(u32 method, const u32* base_start, u32 amoun
     }
 }
 
-Texture::FullTextureInfo KeplerCompute::GetTexture(std::size_t offset) const {
-    const std::bitset<8> cbuf_mask = launch_description.const_buffer_enable_mask.Value();
-    ASSERT(cbuf_mask[regs.tex_cb_index]);
-
-    const auto& texinfo = launch_description.const_buffer_config[regs.tex_cb_index];
-    ASSERT(texinfo.Address() != 0);
-
-    const GPUVAddr address = texinfo.Address() + offset * sizeof(Texture::TextureHandle);
-    ASSERT(address < texinfo.Address() + texinfo.size);
-
-    const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(address)};
-    return GetTextureInfo(tex_handle);
-}
-
-Texture::FullTextureInfo KeplerCompute::GetTextureInfo(Texture::TextureHandle tex_handle) const {
-    return Texture::FullTextureInfo{GetTICEntry(tex_handle.tic_id), GetTSCEntry(tex_handle.tsc_id)};
-}
-
 u32 KeplerCompute::AccessConstBuffer32(ShaderType stage, u64 const_buffer, u64 offset) const {
     ASSERT(stage == ShaderType::Compute);
     const auto& buffer = launch_description.const_buffer_config[const_buffer];
@@ -98,9 +80,11 @@ SamplerDescriptor KeplerCompute::AccessBindlessSampler(ShaderType stage, u64 con
 
 SamplerDescriptor KeplerCompute::AccessSampler(u32 handle) const {
     const Texture::TextureHandle tex_handle{handle};
-    const Texture::FullTextureInfo tex_info = GetTextureInfo(tex_handle);
-    SamplerDescriptor result = SamplerDescriptor::FromTIC(tex_info.tic);
-    result.is_shadow.Assign(tex_info.tsc.depth_compare_enabled.Value());
+    const Texture::TICEntry tic = GetTICEntry(tex_handle.tic_id);
+    const Texture::TSCEntry tsc = GetTSCEntry(tex_handle.tsc_id);
+
+    SamplerDescriptor result = SamplerDescriptor::FromTIC(tic);
+    result.is_shadow.Assign(tsc.depth_compare_enabled.Value());
     return result;
 }
 

src/video_core/engines/kepler_compute.h

@@ -209,11 +209,6 @@ public:
     void CallMultiMethod(u32 method, const u32* base_start, u32 amount,
                          u32 methods_pending) override;
 
-    Texture::FullTextureInfo GetTexture(std::size_t offset) const;
-
-    /// Given a texture handle, returns the TSC and TIC entries.
-    Texture::FullTextureInfo GetTextureInfo(Texture::TextureHandle tex_handle) const;
-
     u32 AccessConstBuffer32(ShaderType stage, u64 const_buffer, u64 offset) const override;
 
     SamplerDescriptor AccessBoundSampler(ShaderType stage, u64 offset) const override;

src/video_core/engines/maxwell_3d.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <cinttypes>
 #include <cstring>
 #include <optional>
 #include "common/assert.h"
@@ -227,6 +226,10 @@ void Maxwell3D::ProcessMethodCall(u32 method, u32 argument, u32 nonshadow_argume
             OnMemoryWrite();
         }
         return;
+    case MAXWELL3D_REG_INDEX(fragment_barrier):
+        return rasterizer->FragmentBarrier();
+    case MAXWELL3D_REG_INDEX(tiled_cache_barrier):
+        return rasterizer->TiledCacheBarrier();
     }
 }
 
@@ -639,7 +642,7 @@ void Maxwell3D::FinishCBData() {
 }
 
 Texture::TICEntry Maxwell3D::GetTICEntry(u32 tic_index) const {
-    const GPUVAddr tic_address_gpu{regs.tic.TICAddress() + tic_index * sizeof(Texture::TICEntry)};
+    const GPUVAddr tic_address_gpu{regs.tic.Address() + tic_index * sizeof(Texture::TICEntry)};
 
     Texture::TICEntry tic_entry;
     memory_manager.ReadBlockUnsafe(tic_address_gpu, &tic_entry, sizeof(Texture::TICEntry));
@@ -648,43 +651,19 @@ Texture::TICEntry Maxwell3D::GetTICEntry(u32 tic_index) const {
 }
 
 Texture::TSCEntry Maxwell3D::GetTSCEntry(u32 tsc_index) const {
-    const GPUVAddr tsc_address_gpu{regs.tsc.TSCAddress() + tsc_index * sizeof(Texture::TSCEntry)};
+    const GPUVAddr tsc_address_gpu{regs.tsc.Address() + tsc_index * sizeof(Texture::TSCEntry)};
 
     Texture::TSCEntry tsc_entry;
     memory_manager.ReadBlockUnsafe(tsc_address_gpu, &tsc_entry, sizeof(Texture::TSCEntry));
     return tsc_entry;
 }
 
-Texture::FullTextureInfo Maxwell3D::GetTextureInfo(Texture::TextureHandle tex_handle) const {
-    return Texture::FullTextureInfo{GetTICEntry(tex_handle.tic_id), GetTSCEntry(tex_handle.tsc_id)};
-}
-
-Texture::FullTextureInfo Maxwell3D::GetStageTexture(ShaderType stage, std::size_t offset) const {
-    const auto stage_index = static_cast<std::size_t>(stage);
-    const auto& shader = state.shader_stages[stage_index];
-    const auto& tex_info_buffer = shader.const_buffers[regs.tex_cb_index];
-    ASSERT(tex_info_buffer.enabled && tex_info_buffer.address != 0);
-
-    const GPUVAddr tex_info_address =
-        tex_info_buffer.address + offset * sizeof(Texture::TextureHandle);
-
-    ASSERT(tex_info_address < tex_info_buffer.address + tex_info_buffer.size);
-
-    const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(tex_info_address)};
-
-    return GetTextureInfo(tex_handle);
-}
-
 u32 Maxwell3D::GetRegisterValue(u32 method) const {
     ASSERT_MSG(method < Regs::NUM_REGS, "Invalid Maxwell3D register");
     return regs.reg_array[method];
 }
 
 void Maxwell3D::ProcessClearBuffers() {
-    ASSERT(regs.clear_buffers.R == regs.clear_buffers.G &&
-           regs.clear_buffers.R == regs.clear_buffers.B &&
-           regs.clear_buffers.R == regs.clear_buffers.A);
-
     rasterizer->Clear();
 }
 
@@ -692,9 +671,7 @@ u32 Maxwell3D::AccessConstBuffer32(ShaderType stage, u64 const_buffer, u64 offse
     ASSERT(stage != ShaderType::Compute);
     const auto& shader_stage = state.shader_stages[static_cast<std::size_t>(stage)];
     const auto& buffer = shader_stage.const_buffers[const_buffer];
-    u32 result;
-    std::memcpy(&result, memory_manager.GetPointer(buffer.address + offset), sizeof(u32));
-    return result;
+    return memory_manager.Read<u32>(buffer.address + offset);
 }
 
 SamplerDescriptor Maxwell3D::AccessBoundSampler(ShaderType stage, u64 offset) const {
@@ -712,9 +689,11 @@ SamplerDescriptor Maxwell3D::AccessBindlessSampler(ShaderType stage, u64 const_b
 
 SamplerDescriptor Maxwell3D::AccessSampler(u32 handle) const {
     const Texture::TextureHandle tex_handle{handle};
-    const Texture::FullTextureInfo tex_info = GetTextureInfo(tex_handle);
-    SamplerDescriptor result = SamplerDescriptor::FromTIC(tex_info.tic);
-    result.is_shadow.Assign(tex_info.tsc.depth_compare_enabled.Value());
+    const Texture::TICEntry tic = GetTICEntry(tex_handle.tic_id);
+    const Texture::TSCEntry tsc = GetTSCEntry(tex_handle.tsc_id);
+
+    SamplerDescriptor result = SamplerDescriptor::FromTIC(tic);
+    result.is_shadow.Assign(tsc.depth_compare_enabled.Value());
     return result;
 }
 

src/video_core/engines/maxwell_3d.h

@@ -438,16 +438,6 @@ public:
             DecrWrapOGL = 0x8508,
         };
 
-        enum class MemoryLayout : u32 {
-            Linear = 0,
-            BlockLinear = 1,
-        };
-
-        enum class InvMemoryLayout : u32 {
-            BlockLinear = 0,
-            Linear = 1,
-        };
-
         enum class CounterReset : u32 {
             SampleCnt = 0x01,
             Unk02 = 0x02,
@@ -589,21 +579,31 @@ public:
             NegativeW = 7,
         };
 
+        enum class SamplerIndex : u32 {
+            Independently = 0,
+            ViaHeaderIndex = 1,
+        };
+
+        struct TileMode {
+            union {
+                BitField<0, 4, u32> block_width;
+                BitField<4, 4, u32> block_height;
+                BitField<8, 4, u32> block_depth;
+                BitField<12, 1, u32> is_pitch_linear;
+                BitField<16, 1, u32> is_3d;
+            };
+        };
+        static_assert(sizeof(TileMode) == 4);
+
         struct RenderTargetConfig {
             u32 address_high;
             u32 address_low;
             u32 width;
             u32 height;
             Tegra::RenderTargetFormat format;
+            TileMode tile_mode;
             union {
-                BitField<0, 3, u32> block_width;
-                BitField<4, 3, u32> block_height;
-                BitField<8, 3, u32> block_depth;
-                BitField<12, 1, InvMemoryLayout> type;
-                BitField<16, 1, u32> is_3d;
-            } memory_layout;
-            union {
-                BitField<0, 16, u32> layers;
+                BitField<0, 16, u32> depth;
                 BitField<16, 1, u32> volume;
             };
             u32 layer_stride;
@@ -832,7 +832,11 @@ public:
 
                 u32 patch_vertices;
 
-                INSERT_UNION_PADDING_WORDS(0xC);
+                INSERT_UNION_PADDING_WORDS(0x4);
+
+                u32 fragment_barrier;
+
+                INSERT_UNION_PADDING_WORDS(0x7);
 
                 std::array<ScissorTest, NumViewports> scissor_test;
 
@@ -842,7 +846,15 @@ public:
                 u32 stencil_back_mask;
                 u32 stencil_back_func_mask;
 
-                INSERT_UNION_PADDING_WORDS(0xC);
+                INSERT_UNION_PADDING_WORDS(0x5);
+
+                u32 invalidate_texture_data_cache;
+
+                INSERT_UNION_PADDING_WORDS(0x1);
+
+                u32 tiled_cache_barrier;
+
+                INSERT_UNION_PADDING_WORDS(0x4);
 
                 u32 color_mask_common;
 
@@ -866,12 +878,7 @@ public:
                     u32 address_high;
                     u32 address_low;
                     Tegra::DepthFormat format;
-                    union {
-                        BitField<0, 4, u32> block_width;
-                        BitField<4, 4, u32> block_height;
-                        BitField<8, 4, u32> block_depth;
-                        BitField<20, 1, InvMemoryLayout> type;
-                    } memory_layout;
+                    TileMode tile_mode;
                     u32 layer_stride;
 
                     GPUVAddr Address() const {
@@ -880,7 +887,18 @@ public:
                     }
                 } zeta;
 
-                INSERT_UNION_PADDING_WORDS(0x41);
+                struct {
+                    union {
+                        BitField<0, 16, u32> x;
+                        BitField<16, 16, u32> width;
+                    };
+                    union {
+                        BitField<0, 16, u32> y;
+                        BitField<16, 16, u32> height;
+                    };
+                } render_area;
+
+                INSERT_UNION_PADDING_WORDS(0x3F);
 
                 union {
                     BitField<0, 4, u32> stencil;
@@ -921,7 +939,7 @@ public:
                         BitField<25, 3, u32> map_7;
                     };
 
-                    u32 GetMap(std::size_t index) const {
+                    u32 Map(std::size_t index) const {
                         const std::array<u32, NumRenderTargets> maps{map_0, map_1, map_2, map_3,
                                                                      map_4, map_5, map_6, map_7};
                         ASSERT(index < maps.size());
@@ -934,11 +952,13 @@ public:
                 u32 zeta_width;
                 u32 zeta_height;
                 union {
-                    BitField<0, 16, u32> zeta_layers;
+                    BitField<0, 16, u32> zeta_depth;
                     BitField<16, 1, u32> zeta_volume;
                 };
 
-                INSERT_UNION_PADDING_WORDS(0x26);
+                SamplerIndex sampler_index;
+
+                INSERT_UNION_PADDING_WORDS(0x25);
 
                 u32 depth_test_enable;
 
@@ -964,6 +984,7 @@ public:
                     float b;
                     float a;
                 } blend_color;
+
                 INSERT_UNION_PADDING_WORDS(0x4);
 
                 struct {
@@ -1001,7 +1022,12 @@ public:
                 float line_width_smooth;
                 float line_width_aliased;
 
-                INSERT_UNION_PADDING_WORDS(0x1F);
+                INSERT_UNION_PADDING_WORDS(0x1B);
+
+                u32 invalidate_sampler_cache_no_wfi;
+                u32 invalidate_texture_header_cache_no_wfi;
+
+                INSERT_UNION_PADDING_WORDS(0x2);
 
                 u32 vb_element_base;
                 u32 vb_base_instance;
@@ -1045,13 +1071,13 @@ public:
                 } condition;
 
                 struct {
-                    u32 tsc_address_high;
-                    u32 tsc_address_low;
-                    u32 tsc_limit;
+                    u32 address_high;
+                    u32 address_low;
+                    u32 limit;
 
-                    GPUVAddr TSCAddress() const {
-                        return static_cast<GPUVAddr>(
-                            (static_cast<GPUVAddr>(tsc_address_high) << 32) | tsc_address_low);
+                    GPUVAddr Address() const {
+                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
+                                                     address_low);
                     }
                 } tsc;
 
@@ -1062,13 +1088,13 @@ public:
                 u32 line_smooth_enable;
 
                 struct {
-                    u32 tic_address_high;
-                    u32 tic_address_low;
-                    u32 tic_limit;
+                    u32 address_high;
+                    u32 address_low;
+                    u32 limit;
 
-                    GPUVAddr TICAddress() const {
-                        return static_cast<GPUVAddr>(
-                            (static_cast<GPUVAddr>(tic_address_high) << 32) | tic_address_low);
+                    GPUVAddr Address() const {
+                        return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
+                                                     address_low);
                     }
                 } tic;
 
@@ -1397,12 +1423,6 @@ public:
 
     void FlushMMEInlineDraw();
 
-    /// Given a texture handle, returns the TSC and TIC entries.
-    Texture::FullTextureInfo GetTextureInfo(Texture::TextureHandle tex_handle) const;
-
-    /// Returns the texture information for a specific texture in a specific shader stage.
-    Texture::FullTextureInfo GetStageTexture(ShaderType stage, std::size_t offset) const;
-
     u32 AccessConstBuffer32(ShaderType stage, u64 const_buffer, u64 offset) const override;
 
     SamplerDescriptor AccessBoundSampler(ShaderType stage, u64 offset) const override;
@@ -1473,39 +1493,6 @@ private:
 
     void ProcessMethodCall(u32 method, u32 argument, u32 nonshadow_argument, bool is_last_call);
 
-    Core::System& system;
-    MemoryManager& memory_manager;
-
-    VideoCore::RasterizerInterface* rasterizer = nullptr;
-
-    /// Start offsets of each macro in macro_memory
-    std::array<u32, 0x80> macro_positions = {};
-
-    std::array<bool, Regs::NUM_REGS> mme_inline{};
-
-    /// Macro method that is currently being executed / being fed parameters.
-    u32 executing_macro = 0;
-    /// Parameters that have been submitted to the macro call so far.
-    std::vector<u32> macro_params;
-
-    /// Interpreter for the macro codes uploaded to the GPU.
-    std::unique_ptr<MacroEngine> macro_engine;
-
-    static constexpr u32 null_cb_data = 0xFFFFFFFF;
-    struct {
-        std::array<std::array<u32, 0x4000>, 16> buffer;
-        u32 current{null_cb_data};
-        u32 id{null_cb_data};
-        u32 start_pos{};
-        u32 counter{};
-    } cb_data_state;
-
-    Upload::State upload_state;
-
-    bool execute_on{true};
-
-    std::array<u8, Regs::NUM_REGS> dirty_pointers{};
-
     /// Retrieves information about a specific TIC entry from the TIC buffer.
     Texture::TICEntry GetTICEntry(u32 tic_index) const;
 
@@ -1514,8 +1501,8 @@ private:
 
     /**
      * Call a macro on this engine.
+     *
      * @param method Method to call
-     * @param num_parameters Number of arguments
      * @param parameters Arguments to the method call
      */
     void CallMacroMethod(u32 method, const std::vector<u32>& parameters);
@@ -1564,6 +1551,38 @@ private:
 
     /// Returns a query's value or an empty object if the value will be deferred through a cache.
     std::optional<u64> GetQueryResult();
+
+    Core::System& system;
+    MemoryManager& memory_manager;
+
+    VideoCore::RasterizerInterface* rasterizer = nullptr;
+
+    /// Start offsets of each macro in macro_memory
+    std::array<u32, 0x80> macro_positions{};
+
+    std::array<bool, Regs::NUM_REGS> mme_inline{};
+
+    /// Macro method that is currently being executed / being fed parameters.
+    u32 executing_macro = 0;
+    /// Parameters that have been submitted to the macro call so far.
+    std::vector<u32> macro_params;
+
+    /// Interpreter for the macro codes uploaded to the GPU.
+    std::unique_ptr<MacroEngine> macro_engine;
+
+    static constexpr u32 null_cb_data = 0xFFFFFFFF;
+    struct CBDataState {
+        std::array<std::array<u32, 0x4000>, 16> buffer;
+        u32 current{null_cb_data};
+        u32 id{null_cb_data};
+        u32 start_pos{};
+        u32 counter{};
+    };
+    CBDataState cb_data_state;
+
+    Upload::State upload_state;
+
+    bool execute_on{true};
 };
 
 #define ASSERT_REG_POSITION(field_name, position)                                                  \
@@ -1599,10 +1618,13 @@ ASSERT_REG_POSITION(polygon_offset_point_enable, 0x370);
 ASSERT_REG_POSITION(polygon_offset_line_enable, 0x371);
 ASSERT_REG_POSITION(polygon_offset_fill_enable, 0x372);
 ASSERT_REG_POSITION(patch_vertices, 0x373);
+ASSERT_REG_POSITION(fragment_barrier, 0x378);
 ASSERT_REG_POSITION(scissor_test, 0x380);
 ASSERT_REG_POSITION(stencil_back_func_ref, 0x3D5);
 ASSERT_REG_POSITION(stencil_back_mask, 0x3D6);
 ASSERT_REG_POSITION(stencil_back_func_mask, 0x3D7);
+ASSERT_REG_POSITION(invalidate_texture_data_cache, 0x3DD);
+ASSERT_REG_POSITION(tiled_cache_barrier, 0x3DF);
 ASSERT_REG_POSITION(color_mask_common, 0x3E4);
 ASSERT_REG_POSITION(depth_bounds, 0x3E7);
 ASSERT_REG_POSITION(rt_separate_frag_data, 0x3EB);
@@ -1610,6 +1632,7 @@ ASSERT_REG_POSITION(multisample_raster_enable, 0x3ED);
 ASSERT_REG_POSITION(multisample_raster_samples, 0x3EE);
 ASSERT_REG_POSITION(multisample_sample_mask, 0x3EF);
 ASSERT_REG_POSITION(zeta, 0x3F8);
+ASSERT_REG_POSITION(render_area, 0x3FD);
 ASSERT_REG_POSITION(clear_flags, 0x43E);
 ASSERT_REG_POSITION(fill_rectangle, 0x44F);
 ASSERT_REG_POSITION(vertex_attrib_format, 0x458);
@@ -1618,7 +1641,8 @@ ASSERT_REG_POSITION(multisample_coverage_to_color, 0x47E);
 ASSERT_REG_POSITION(rt_control, 0x487);
 ASSERT_REG_POSITION(zeta_width, 0x48a);
 ASSERT_REG_POSITION(zeta_height, 0x48b);
-ASSERT_REG_POSITION(zeta_layers, 0x48c);
+ASSERT_REG_POSITION(zeta_depth, 0x48c);
+ASSERT_REG_POSITION(sampler_index, 0x48D);
 ASSERT_REG_POSITION(depth_test_enable, 0x4B3);
 ASSERT_REG_POSITION(independent_blend_enable, 0x4B9);
 ASSERT_REG_POSITION(depth_write_enabled, 0x4BA);
@@ -1642,6 +1666,8 @@ ASSERT_REG_POSITION(frag_color_clamp, 0x4EA);
 ASSERT_REG_POSITION(screen_y_control, 0x4EB);
 ASSERT_REG_POSITION(line_width_smooth, 0x4EC);
 ASSERT_REG_POSITION(line_width_aliased, 0x4ED);
+ASSERT_REG_POSITION(invalidate_sampler_cache_no_wfi, 0x509);
+ASSERT_REG_POSITION(invalidate_texture_header_cache_no_wfi, 0x50A);
 ASSERT_REG_POSITION(vb_element_base, 0x50D);
 ASSERT_REG_POSITION(vb_base_instance, 0x50E);
 ASSERT_REG_POSITION(clip_distance_enabled, 0x544);

src/video_core/engines/maxwell_dma.cpp

@@ -96,6 +96,7 @@ void MaxwellDMA::CopyPitchToPitch() {
 }
 
 void MaxwellDMA::CopyBlockLinearToPitch() {
+    UNIMPLEMENTED_IF(regs.src_params.block_size.width != 0);
     UNIMPLEMENTED_IF(regs.src_params.block_size.depth != 0);
     UNIMPLEMENTED_IF(regs.src_params.layer != 0);
 
@@ -135,6 +136,8 @@ void MaxwellDMA::CopyBlockLinearToPitch() {
 }
 
 void MaxwellDMA::CopyPitchToBlockLinear() {
+    UNIMPLEMENTED_IF_MSG(regs.dst_params.block_size.width != 0, "Block width is not one");
+
     const auto& dst_params = regs.dst_params;
     const u32 bytes_per_pixel = regs.pitch_in / regs.line_length_in;
     const u32 width = dst_params.width;

src/video_core/fence_manager.h

@@ -9,6 +9,7 @@
 
 #include "common/common_types.h"
 #include "core/core.h"
+#include "video_core/delayed_destruction_ring.h"
 #include "video_core/gpu.h"
 #include "video_core/memory_manager.h"
 #include "video_core/rasterizer_interface.h"
@@ -47,6 +48,11 @@ protected:
 template <typename TFence, typename TTextureCache, typename TTBufferCache, typename TQueryCache>
 class FenceManager {
 public:
+    /// Notify the fence manager about a new frame
+    void TickFrame() {
+        delayed_destruction_ring.Tick();
+    }
+
     void SignalSemaphore(GPUVAddr addr, u32 value) {
         TryReleasePendingFences();
         const bool should_flush = ShouldFlush();
@@ -86,7 +92,7 @@ public:
             } else {
                 gpu.IncrementSyncPoint(current_fence->GetPayload());
             }
-            fences.pop();
+            PopFence();
         }
     }
 
@@ -132,7 +138,7 @@ private:
             } else {
                 gpu.IncrementSyncPoint(current_fence->GetPayload());
             }
-            fences.pop();
+            PopFence();
         }
     }
 
@@ -158,7 +164,14 @@ private:
         query_cache.CommitAsyncFlushes();
     }
 
+    void PopFence() {
+        delayed_destruction_ring.Push(std::move(fences.front()));
+        fences.pop();
+    }
+
     std::queue<TFence> fences;
+
+    DelayedDestructionRing<TFence, 6> delayed_destruction_ring;
 };
 
 } // namespace VideoCommon

src/video_core/host_shaders/CMakeLists.txt

@@ -1,8 +1,26 @@
-set(SHADER_SOURCES
+set(SHADER_FILES
+    block_linear_unswizzle_2d.comp
+    block_linear_unswizzle_3d.comp
+    convert_depth_to_float.frag
+    convert_float_to_depth.frag
+    full_screen_triangle.vert
+    opengl_copy_bc4.comp
     opengl_present.frag
     opengl_present.vert
+    pitch_unswizzle.comp
+    vulkan_blit_color_float.frag
+    vulkan_blit_depth_stencil.frag
+    vulkan_present.frag
+    vulkan_present.vert
+    vulkan_quad_array.comp
+    vulkan_quad_indexed.comp
+    vulkan_uint8.comp
 )
 
+find_program(GLSLANGVALIDATOR "glslangValidator" REQUIRED)
+
+set(GLSL_FLAGS "")
+
 set(SHADER_INCLUDE ${CMAKE_CURRENT_BINARY_DIR}/include)
 set(SHADER_DIR ${SHADER_INCLUDE}/video_core/host_shaders)
 set(HOST_SHADERS_INCLUDE ${SHADER_INCLUDE} PARENT_SCOPE)
@@ -10,27 +28,44 @@ set(HOST_SHADERS_INCLUDE ${SHADER_INCLUDE} PARENT_SCOPE)
 set(INPUT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/source_shader.h.in)
 set(HEADER_GENERATOR ${CMAKE_CURRENT_SOURCE_DIR}/StringShaderHeader.cmake)
 
-foreach(FILENAME IN ITEMS ${SHADER_SOURCES})
+foreach(FILENAME IN ITEMS ${SHADER_FILES})
     string(REPLACE "." "_" SHADER_NAME ${FILENAME})
     set(SOURCE_FILE ${CMAKE_CURRENT_SOURCE_DIR}/${FILENAME})
-    set(HEADER_FILE ${SHADER_DIR}/${SHADER_NAME}.h)
-    add_custom_command(
-        OUTPUT
-            ${HEADER_FILE}
-        COMMAND
-            ${CMAKE_COMMAND} -P ${HEADER_GENERATOR} ${SOURCE_FILE} ${HEADER_FILE} ${INPUT_FILE}
-        MAIN_DEPENDENCY
-            ${SOURCE_FILE}
-        DEPENDS
-            ${INPUT_FILE}
-            # HEADER_GENERATOR should be included here but msbuild seems to assume it's always modified
-    )
-    set(SHADER_HEADERS ${SHADER_HEADERS} ${HEADER_FILE})
+    # Skip generating source headers on Vulkan exclusive files
+    if (NOT ${FILENAME} MATCHES "vulkan.*")
+        set(SOURCE_HEADER_FILE ${SHADER_DIR}/${SHADER_NAME}.h)
+        add_custom_command(
+            OUTPUT
+                ${SOURCE_HEADER_FILE}
+            COMMAND
+                ${CMAKE_COMMAND} -P ${HEADER_GENERATOR} ${SOURCE_FILE} ${SOURCE_HEADER_FILE} ${INPUT_FILE}
+            MAIN_DEPENDENCY
+                ${SOURCE_FILE}
+            DEPENDS
+                ${INPUT_FILE}
+                # HEADER_GENERATOR should be included here but msbuild seems to assume it's always modified
+        )
+        set(SHADER_HEADERS ${SHADER_HEADERS} ${SOURCE_HEADER_FILE})
+    endif()
+    # Skip compiling to SPIR-V OpenGL exclusive files
+    if (NOT ${FILENAME} MATCHES "opengl.*")
+        string(TOUPPER ${SHADER_NAME}_SPV SPIRV_VARIABLE_NAME)
+        set(SPIRV_HEADER_FILE ${SHADER_DIR}/${SHADER_NAME}_spv.h)
+        add_custom_command(
+            OUTPUT
+                ${SPIRV_HEADER_FILE}
+            COMMAND
+                ${GLSLANGVALIDATOR} -V ${GLSL_FLAGS} --variable-name ${SPIRV_VARIABLE_NAME} -o ${SPIRV_HEADER_FILE} ${SOURCE_FILE}
+            MAIN_DEPENDENCY
+                ${SOURCE_FILE}
+        )
+        set(SHADER_HEADERS ${SHADER_HEADERS} ${SPIRV_HEADER_FILE})
+    endif()
 endforeach()
 
 add_custom_target(host_shaders
     DEPENDS
         ${SHADER_HEADERS}
     SOURCES
-        ${SHADER_SOURCES}
+        ${SHADER_FILES}
 )