"Merge Tagged PR 1012"

externals/CMakeLists.txt

@@ -42,9 +42,6 @@ target_include_directories(mbedtls PUBLIC ./mbedtls/include)
 add_library(microprofile INTERFACE)
 target_include_directories(microprofile INTERFACE ./microprofile)
 
-# Open Source Archives
-add_subdirectory(open_source_archives EXCLUDE_FROM_ALL)
-
 # Unicorn
 add_library(unicorn-headers INTERFACE)
 target_include_directories(unicorn-headers INTERFACE ./unicorn/include)

externals/open_source_archives/CMakeLists.txt

@@ -1,16 +0,0 @@
-add_library(open_source_archives
-    src/FontChineseSimplified.cpp
-    src/FontChineseTraditional.cpp
-    src/FontExtendedChineseSimplified.cpp
-    src/FontKorean.cpp
-    src/FontNintendoExtended.cpp
-    src/FontStandard.cpp
-    include/FontChineseSimplified.h
-    include/FontChineseTraditional.h
-    include/FontExtendedChineseSimplified.h
-    include/FontKorean.h
-    include/FontNintendoExtended.h
-    include/FontStandard.h
-)
-
-target_include_directories(open_source_archives PUBLIC include)

externals/open_source_archives/Readme.md

@@ -1,4 +0,0 @@
-These files were generated by https://github.com/FearlessTobi/yuzu_system_archives at git commit 0a24b0c9f38d71fb2c4bba5645a39029e539a5ec. To generate the files use the run.sh inside that repository.  
-
-The follwing system archives are currently included:
- - JPN/EUR/USA System Font

externals/open_source_archives/include/FontChineseSimplified.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include <array>
-
-extern const std::array<unsigned char, 217276> FontChineseSimplified;
-

externals/open_source_archives/include/FontChineseTraditional.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include <array>
-
-extern const std::array<unsigned char, 222236> FontChineseTraditional;
-

externals/open_source_archives/include/FontExtendedChineseSimplified.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include <array>
-
-extern const std::array<unsigned char, 293516> FontExtendedChineseSimplified;
-

externals/open_source_archives/include/FontKorean.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include <array>
-
-extern const std::array<unsigned char, 217276> FontKorean;
-

externals/open_source_archives/include/FontNintendoExtended.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include <array>
-
-extern const std::array<unsigned char, 172064> FontNintendoExtended;
-

externals/open_source_archives/include/FontStandard.h

@@ -1,6 +0,0 @@
-#pragma once
-
-#include <array>
-
-extern const std::array<unsigned char, 217276> FontStandard;
-

src/common/assert.h

@@ -28,18 +28,14 @@ __declspec(noinline, noreturn)
 }
 
 #define ASSERT(_a_)                                                                                \
-    do                                                                                             \
-        if (!(_a_)) {                                                                              \
-            assert_noinline_call([] { LOG_CRITICAL(Debug, "Assertion Failed!"); });                \
-        }                                                                                          \
-    while (0)
+    if (!(_a_)) {                                                                                  \
+        LOG_CRITICAL(Debug, "Assertion Failed!");                                                  \
+    }
 
 #define ASSERT_MSG(_a_, ...)                                                                       \
-    do                                                                                             \
-        if (!(_a_)) {                                                                              \
-            assert_noinline_call([&] { LOG_CRITICAL(Debug, "Assertion Failed!\n" __VA_ARGS__); }); \
-        }                                                                                          \
-    while (0)
+    if (!(_a_)) {                                                                                  \
+        LOG_CRITICAL(Debug, "Assertion Failed! " __VA_ARGS__);                                     \
+    }
 
 #define UNREACHABLE() ASSERT_MSG(false, "Unreachable code!")
 #define UNREACHABLE_MSG(...) ASSERT_MSG(false, __VA_ARGS__)

src/common/multi_level_queue.h

@@ -304,6 +304,13 @@ public:
         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;
 

src/core/CMakeLists.txt

@@ -74,10 +74,24 @@ add_library(core STATIC
     file_sys/sdmc_factory.h
     file_sys/submission_package.cpp
     file_sys/submission_package.h
+    file_sys/system_archive/data/font_chinese_simplified.cpp
+    file_sys/system_archive/data/font_chinese_simplified.h
+    file_sys/system_archive/data/font_chinese_traditional.cpp
+    file_sys/system_archive/data/font_chinese_traditional.h
+    file_sys/system_archive/data/font_extended_chinese_simplified.cpp
+    file_sys/system_archive/data/font_extended_chinese_simplified.h
+    file_sys/system_archive/data/font_korean.cpp
+    file_sys/system_archive/data/font_korean.h
+    file_sys/system_archive/data/font_nintendo_extended.cpp
+    file_sys/system_archive/data/font_nintendo_extended.h
+    file_sys/system_archive/data/font_standard.cpp
+    file_sys/system_archive/data/font_standard.h
     file_sys/system_archive/mii_model.cpp
     file_sys/system_archive/mii_model.h
     file_sys/system_archive/ng_word.cpp
     file_sys/system_archive/ng_word.h
+    file_sys/system_archive/shared_font.cpp
+    file_sys/system_archive/shared_font.h
     file_sys/system_archive/system_archive.cpp
     file_sys/system_archive/system_archive.h
     file_sys/system_archive/system_version.cpp
@@ -511,7 +525,7 @@ add_library(core STATIC
 create_target_directory_groups(core)
 
 target_link_libraries(core PUBLIC common PRIVATE audio_core video_core)
-target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt json-headers mbedtls opus unicorn open_source_archives)
+target_link_libraries(core PUBLIC Boost::boost PRIVATE fmt json-headers mbedtls opus unicorn)
 
 if (YUZU_ENABLE_BOXCAT)
     get_directory_property(OPENSSL_LIBS

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -116,7 +116,7 @@ public:
         num_interpreted_instructions = 0;
     }
     u64 GetTicksRemaining() override {
-        return std::max(parent.system.CoreTiming().GetDowncount(), 0);
+        return std::max(parent.system.CoreTiming().GetDowncount(), s64{0});
     }
     u64 GetCNTPCT() override {
         return Timing::CpuCyclesToClockCycles(parent.system.CoreTiming().GetTicks());

src/core/arm/unicorn/arm_unicorn.cpp

@@ -156,7 +156,7 @@ void ARM_Unicorn::Run() {
     if (GDBStub::IsServerEnabled()) {
         ExecuteInstructions(std::max(4000000, 0));
     } else {
-        ExecuteInstructions(std::max(system.CoreTiming().GetDowncount(), 0));
+        ExecuteInstructions(std::max(system.CoreTiming().GetDowncount(), s64{0}));
     }
 }
 

src/core/core.cpp

@@ -256,6 +256,8 @@ struct System::Impl {
         is_powered_on = false;
         exit_lock = false;
 
+        gpu_core->WaitIdle();
+
         // Shutdown emulation session
         renderer.reset();
         GDBStub::Shutdown();
@@ -404,6 +406,12 @@ void System::PrepareReschedule() {
     CurrentCpuCore().PrepareReschedule();
 }
 
+void System::PrepareReschedule(const u32 core_index) {
+    if (core_index < GlobalScheduler().CpuCoresCount()) {
+        CpuCore(core_index).PrepareReschedule();
+    }
+}
+
 PerfStatsResults System::GetAndResetPerfStats() {
     return impl->GetAndResetPerfStats();
 }
@@ -444,6 +452,16 @@ const Kernel::Scheduler& System::Scheduler(std::size_t core_index) const {
     return CpuCore(core_index).Scheduler();
 }
 
+/// 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();
+}
+
 Kernel::Process* System::CurrentProcess() {
     return impl->kernel.CurrentProcess();
 }

src/core/core.h

@@ -24,6 +24,7 @@ class VfsFilesystem;
 } // namespace FileSys
 
 namespace Kernel {
+class GlobalScheduler;
 class KernelCore;
 class Process;
 class Scheduler;
@@ -184,6 +185,9 @@ public:
     /// Prepare the core emulation for a reschedule
     void PrepareReschedule();
 
+    /// Prepare the core emulation for a reschedule
+    void PrepareReschedule(u32 core_index);
+
     /// Gets and resets core performance statistics
     PerfStatsResults GetAndResetPerfStats();
 
@@ -238,6 +242,12 @@ public:
     /// Gets the scheduler for the CPU core with the specified index
     const Kernel::Scheduler& Scheduler(std::size_t core_index) const;
 
+    /// Gets the global scheduler
+    Kernel::GlobalScheduler& GlobalScheduler();
+
+    /// Gets the global scheduler
+    const Kernel::GlobalScheduler& GlobalScheduler() const;
+
     /// Provides a pointer to the current process
     Kernel::Process* CurrentProcess();
 

src/core/core_cpu.cpp

@@ -52,7 +52,8 @@ bool CpuBarrier::Rendezvous() {
 
 Cpu::Cpu(System& system, ExclusiveMonitor& exclusive_monitor, CpuBarrier& cpu_barrier,
          std::size_t core_index)
-    : cpu_barrier{cpu_barrier}, core_timing{system.CoreTiming()}, core_index{core_index} {
+    : cpu_barrier{cpu_barrier}, global_scheduler{system.GlobalScheduler()},
+      core_timing{system.CoreTiming()}, core_index{core_index} {
 #ifdef ARCHITECTURE_x86_64
     arm_interface = std::make_unique<ARM_Dynarmic>(system, exclusive_monitor, core_index);
 #else
@@ -60,7 +61,7 @@ Cpu::Cpu(System& system, ExclusiveMonitor& exclusive_monitor, CpuBarrier& cpu_ba
     LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
 #endif
 
-    scheduler = std::make_unique<Kernel::Scheduler>(system, *arm_interface);
+    scheduler = std::make_unique<Kernel::Scheduler>(system, *arm_interface, core_index);
 }
 
 Cpu::~Cpu() = default;
@@ -81,29 +82,21 @@ void Cpu::RunLoop(bool tight_loop) {
         return;
     }
 
+    Reschedule();
+
     // If we don't have a currently active thread then don't execute instructions,
     // instead advance to the next event and try to yield to the next thread
     if (Kernel::GetCurrentThread() == nullptr) {
         LOG_TRACE(Core, "Core-{} idling", core_index);
-
-        if (IsMainCore()) {
-            // TODO(Subv): Only let CoreTiming idle if all 4 cores are idling.
-            core_timing.Idle();
-            core_timing.Advance();
-        }
-
-        PrepareReschedule();
+        core_timing.Idle();
     } else {
-        if (IsMainCore()) {
-            core_timing.Advance();
-        }
-
         if (tight_loop) {
             arm_interface->Run();
         } else {
             arm_interface->Step();
         }
     }
+    core_timing.Advance();
 
     Reschedule();
 }
@@ -114,18 +107,18 @@ void Cpu::SingleStep() {
 
 void Cpu::PrepareReschedule() {
     arm_interface->PrepareReschedule();
-    reschedule_pending = true;
 }
 
 void Cpu::Reschedule() {
-    if (!reschedule_pending) {
-        return;
-    }
-
-    reschedule_pending = false;
     // Lock the global kernel mutex when we manipulate the HLE state
-    std::lock_guard lock{HLE::g_hle_lock};
-    scheduler->Reschedule();
+    std::lock_guard lock(HLE::g_hle_lock);
+
+    global_scheduler.SelectThread(core_index);
+    scheduler->TryDoContextSwitch();
+}
+
+void Cpu::Shutdown() {
+    scheduler->Shutdown();
 }
 
 } // namespace Core

src/core/core_cpu.h

@@ -12,8 +12,9 @@
 #include "common/common_types.h"
 
 namespace Kernel {
+class GlobalScheduler;
 class Scheduler;
-}
+} // namespace Kernel
 
 namespace Core {
 class System;
@@ -83,6 +84,8 @@ public:
         return core_index;
     }
 
+    void Shutdown();
+
     static std::unique_ptr<ExclusiveMonitor> MakeExclusiveMonitor(std::size_t num_cores);
 
 private:
@@ -90,6 +93,7 @@ private:
 
     std::unique_ptr<ARM_Interface> arm_interface;
     CpuBarrier& cpu_barrier;
+    Kernel::GlobalScheduler& global_scheduler;
     std::unique_ptr<Kernel::Scheduler> scheduler;
     Timing::CoreTiming& core_timing;
 

src/core/core_timing.cpp

@@ -15,7 +15,7 @@
 
 namespace Core::Timing {
 
-constexpr int MAX_SLICE_LENGTH = 20000;
+constexpr int MAX_SLICE_LENGTH = 10000;
 
 struct CoreTiming::Event {
     s64 time;
@@ -38,10 +38,12 @@ CoreTiming::CoreTiming() = default;
 CoreTiming::~CoreTiming() = default;
 
 void CoreTiming::Initialize() {
-    downcount = MAX_SLICE_LENGTH;
+    downcounts.fill(MAX_SLICE_LENGTH);
+    time_slice.fill(MAX_SLICE_LENGTH);
     slice_length = MAX_SLICE_LENGTH;
     global_timer = 0;
     idled_cycles = 0;
+    current_context = 0;
 
     // The time between CoreTiming being initialized and the first call to Advance() is considered
     // the slice boundary between slice -1 and slice 0. Dispatcher loops must call Advance() before
@@ -110,7 +112,7 @@ void CoreTiming::UnscheduleEvent(const EventType* event_type, u64 userdata) {
 u64 CoreTiming::GetTicks() const {
     u64 ticks = static_cast<u64>(global_timer);
     if (!is_global_timer_sane) {
-        ticks += slice_length - downcount;
+        ticks += accumulated_ticks;
     }
     return ticks;
 }
@@ -120,7 +122,8 @@ u64 CoreTiming::GetIdleTicks() const {
 }
 
 void CoreTiming::AddTicks(u64 ticks) {
-    downcount -= static_cast<int>(ticks);
+    accumulated_ticks += ticks;
+    downcounts[current_context] -= static_cast<s64>(ticks);
 }
 
 void CoreTiming::ClearPendingEvents() {
@@ -141,22 +144,35 @@ void CoreTiming::RemoveEvent(const EventType* event_type) {
 
 void CoreTiming::ForceExceptionCheck(s64 cycles) {
     cycles = std::max<s64>(0, cycles);
-    if (downcount <= cycles) {
+    if (downcounts[current_context] <= cycles) {
         return;
     }
 
     // downcount is always (much) smaller than MAX_INT so we can safely cast cycles to an int
     // here. Account for cycles already executed by adjusting the g.slice_length
-    slice_length -= downcount - static_cast<int>(cycles);
-    downcount = static_cast<int>(cycles);
+    downcounts[current_context] = static_cast<int>(cycles);
+}
+
+std::optional<u64> CoreTiming::NextAvailableCore(const s64 needed_ticks) const {
+    const u64 original_context = current_context;
+    u64 next_context = (original_context + 1) % num_cpu_cores;
+    while (next_context != original_context) {
+        if (time_slice[next_context] >= needed_ticks) {
+            return {next_context};
+        } else if (time_slice[next_context] >= 0) {
+            return std::nullopt;
+        }
+        next_context = (next_context + 1) % num_cpu_cores;
+    }
+    return std::nullopt;
 }
 
 void CoreTiming::Advance() {
     std::unique_lock<std::mutex> guard(inner_mutex);
 
-    const int cycles_executed = slice_length - downcount;
+    const u64 cycles_executed = accumulated_ticks;
+    time_slice[current_context] = std::max<s64>(0, time_slice[current_context] - accumulated_ticks);
     global_timer += cycles_executed;
-    slice_length = MAX_SLICE_LENGTH;
 
     is_global_timer_sane = true;
 
@@ -173,24 +189,46 @@ void CoreTiming::Advance() {
 
     // Still events left (scheduled in the future)
     if (!event_queue.empty()) {
-        slice_length = static_cast<int>(
-            std::min<s64>(event_queue.front().time - global_timer, MAX_SLICE_LENGTH));
+        const s64 needed_ticks =
+            std::min<s64>(event_queue.front().time - global_timer, MAX_SLICE_LENGTH);
+        const auto next_core = NextAvailableCore(needed_ticks);
+        if (next_core) {
+            downcounts[*next_core] = needed_ticks;
+        }
     }
 
-    downcount = slice_length;
+    accumulated_ticks = 0;
+
+    downcounts[current_context] = time_slice[current_context];
+}
+
+void CoreTiming::ResetRun() {
+    downcounts.fill(MAX_SLICE_LENGTH);
+    time_slice.fill(MAX_SLICE_LENGTH);
+    current_context = 0;
+    // Still events left (scheduled in the future)
+    if (!event_queue.empty()) {
+        const s64 needed_ticks =
+            std::min<s64>(event_queue.front().time - global_timer, MAX_SLICE_LENGTH);
+        downcounts[current_context] = needed_ticks;
+    }
+
+    is_global_timer_sane = false;
+    accumulated_ticks = 0;
 }
 
 void CoreTiming::Idle() {
-    idled_cycles += downcount;
-    downcount = 0;
+    accumulated_ticks += downcounts[current_context];
+    idled_cycles += downcounts[current_context];
+    downcounts[current_context] = 0;
 }
 
 std::chrono::microseconds CoreTiming::GetGlobalTimeUs() const {
     return std::chrono::microseconds{GetTicks() * 1000000 / BASE_CLOCK_RATE};
 }
 
-int CoreTiming::GetDowncount() const {
-    return downcount;
+s64 CoreTiming::GetDowncount() const {
+    return downcounts[current_context];
 }
 
 } // namespace Core::Timing

src/core/core_timing.h

@@ -7,6 +7,7 @@
 #include <chrono>
 #include <functional>
 #include <mutex>
+#include <optional>
 #include <string>
 #include <unordered_map>
 #include <vector>
@@ -104,7 +105,19 @@ public:
 
     std::chrono::microseconds GetGlobalTimeUs() const;
 
-    int GetDowncount() const;
+    void ResetRun();
+
+    s64 GetDowncount() const;
+
+    void SwitchContext(u64 new_context) {
+        current_context = new_context;
+    }
+
+    bool CanCurrentContextRun() const {
+        return time_slice[current_context] > 0;
+    }
+
+    std::optional<u64> NextAvailableCore(const s64 needed_ticks) const;
 
 private:
     struct Event;
@@ -112,10 +125,16 @@ private:
     /// Clear all pending events. This should ONLY be done on exit.
     void ClearPendingEvents();
 
+    static constexpr u64 num_cpu_cores = 4;
+
     s64 global_timer = 0;
     s64 idled_cycles = 0;
-    int slice_length = 0;
-    int downcount = 0;
+    s64 slice_length = 0;
+    u64 accumulated_ticks = 0;
+    std::array<s64, num_cpu_cores> downcounts{};
+    // Slice of time assigned to each core per run.
+    std::array<s64, num_cpu_cores> time_slice{};
+    u64 current_context = 0;
 
     // Are we in a function that has been called from Advance()
     // If events are scheduled from a function that gets called from Advance(),

src/core/cpu_core_manager.cpp

@@ -6,6 +6,7 @@
 #include "core/arm/exclusive_monitor.h"
 #include "core/core.h"
 #include "core/core_cpu.h"
+#include "core/core_timing.h"
 #include "core/cpu_core_manager.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/settings.h"
@@ -57,6 +58,7 @@ void CpuCoreManager::Shutdown() {
 
     thread_to_cpu.clear();
     for (auto& cpu_core : cores) {
+        cpu_core->Shutdown();
         cpu_core.reset();
     }
 
@@ -122,13 +124,19 @@ void CpuCoreManager::RunLoop(bool tight_loop) {
         }
     }
 
-    for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
-        cores[active_core]->RunLoop(tight_loop);
-        if (Settings::values.use_multi_core) {
-            // Cores 1-3 are run on other threads in this mode
-            break;
+    auto& core_timing = system.CoreTiming();
+    core_timing.ResetRun();
+    bool keep_running{};
+    do {
+        keep_running = false;
+        for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) {
+            core_timing.SwitchContext(active_core);
+            if (core_timing.CanCurrentContextRun()) {
+                cores[active_core]->RunLoop(tight_loop);
+            }
+            keep_running |= core_timing.CanCurrentContextRun();
         }
-    }
+    } while (keep_running);
 
     if (GDBStub::IsServerEnabled()) {
         GDBStub::SetCpuStepFlag(false);

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

@@ -0,0 +1,13 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+namespace FileSys::SystemArchive::SharedFontData {
+
+extern const std::array<unsigned char, 217276> FONT_CHINESE_SIMPLIFIED;
+
+} // namespace FileSys::SystemArchive::SharedFontData

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

@@ -0,0 +1,13 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+namespace FileSys::SystemArchive::SharedFontData {
+
+extern const std::array<unsigned char, 222236> FONT_CHINESE_TRADITIONAL;
+
+} // namespace FileSys::SystemArchive::SharedFontData

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

@@ -0,0 +1,13 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+namespace FileSys::SystemArchive::SharedFontData {
+
+extern const std::array<unsigned char, 293516> FONT_EXTENDED_CHINESE_SIMPLIFIED;
+
+} // namespace FileSys::SystemArchive::SharedFontData

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

@@ -0,0 +1,13 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+namespace FileSys::SystemArchive::SharedFontData {
+
+extern const std::array<unsigned char, 217276> FONT_KOREAN;
+
+} // namespace FileSys::SystemArchive::SharedFontData

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

@@ -0,0 +1,196 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/file_sys/system_archive/data/font_nintendo_extended.h"
+
+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,
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+    0x13, 0x21, 0x27, 0x1e, 0x1b, 0x29, 0x3e, 0x31, 0xfe, 0x4c, 0x02, 0x53, 0xfe, 0x10, 0x63, 0x00,
+    0x00, 0x03, 0x00, 0x17, 0x00, 0xb3, 0x03, 0xce, 0x03, 0x17, 0x00, 0x38, 0x00, 0x4f, 0x00, 0x5d,
+    0x00, 0x00, 0x13, 0x34, 0x3e, 0x02, 0x33, 0x32, 0x1e, 0x02, 0x15, 0x23, 0x27, 0x34, 0x23, 0x2e,
+    0x01, 0x23, 0x22, 0x0e, 0x02, 0x15, 0x14, 0x1e, 0x04, 0x15, 0x14, 0x0e, 0x02, 0x23, 0x22, 0x2e,
+    0x02, 0x35, 0x33, 0x1e, 0x01, 0x33, 0x32, 0x3e, 0x02, 0x35, 0x34, 0x26, 0x27, 0x2e, 0x03, 0x35,
+    0x01, 0x11, 0x33, 0x32, 0x1e, 0x02, 0x15, 0x14, 0x06, 0x07, 0x30, 0x0e, 0x02, 0x31, 0x17, 0x15,
+    0x23, 0x27, 0x23, 0x15, 0x23, 0x13, 0x33, 0x32, 0x3e, 0x02, 0x35, 0x34, 0x2e, 0x02, 0x2b, 0x01,
+    0x15, 0x2a, 0x24, 0x3a, 0x4a, 0x26, 0x29, 0x4b, 0x39, 0x23, 0x73, 0x01, 0x01, 0x08, 0x2a, 0x2a,
+    0x10, 0x1f, 0x1a, 0x10, 0x2c, 0x42, 0x4d, 0x42, 0x2c, 0x23, 0x39, 0x4b, 0x27, 0x2b, 0x51, 0x3f,
+    0x27, 0x75, 0x05, 0x34, 0x33, 0x10, 0x20, 0x1a, 0x10, 0x1f, 0x1c, 0x25, 0x53, 0x47, 0x2e, 0x01,
+    0xed, 0xf3, 0x27, 0x41, 0x2d, 0x19, 0x1c, 0x20, 0x0c, 0x0e, 0x0c, 0x78, 0x7d, 0x68, 0x5d, 0x75,
+    0x76, 0x71, 0x11, 0x1a, 0x12, 0x09, 0x0a, 0x14, 0x1d, 0x13, 0x69, 0x02, 0x71, 0x2a, 0x3e, 0x2a,
+    0x14, 0x18, 0x2e, 0x44, 0x2c, 0x02, 0x02, 0x27, 0x29, 0x07, 0x11, 0x1a, 0x12, 0x1d, 0x24, 0x1c,
+    0x1d, 0x2b, 0x40, 0x32, 0x2c, 0x3f, 0x29, 0x13, 0x1a, 0x31, 0x49, 0x2e, 0x30, 0x30, 0x06, 0x0f,
+    0x19, 0x13, 0x1e, 0x22, 0x0b, 0x0e, 0x20, 0x2f, 0x43, 0x30, 0xfe, 0x4b, 0x02, 0x52, 0x1d, 0x32,
+    0x42, 0x25, 0x2c, 0x42, 0x1d, 0x08, 0x0a, 0x08, 0xf1, 0x06, 0xd7, 0xd7, 0x01, 0x3f, 0x11, 0x19,
+    0x1f, 0x0e, 0x11, 0x20, 0x19, 0x0f, 0xb0, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00, 0x12, 0x00, 0x12,
+    0x00, 0x12, 0x00, 0x32, 0x00, 0x72, 0x00, 0x8e, 0x00, 0xac, 0x00, 0xbe, 0x00, 0xf0, 0x01, 0x14,
+    0x01, 0x5c, 0x01, 0xb6, 0x02, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0xa2, 0x00, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x02, 0x00, 0x07, 0x00, 0x10, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x2f,
+    0x00, 0x17, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x12, 0x00, 0x46, 0x00, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x0d, 0x00, 0x58, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x06, 0x00, 0x12, 0x00, 0x65, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, 0x00, 0x01, 0x00, 0x20,
+    0x00, 0x77, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, 0x00, 0x02, 0x00, 0x0e, 0x00, 0x97, 0x00, 0x03,
+    0x00, 0x01, 0x04, 0x09, 0x00, 0x03, 0x00, 0x5e, 0x00, 0xa5, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09,
+    0x00, 0x04, 0x00, 0x24, 0x01, 0x03, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, 0x00, 0x05, 0x00, 0x1a,
+    0x01, 0x27, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, 0x00, 0x06, 0x00, 0x24, 0x01, 0x41, 0x00, 0x03,
+    0x00, 0x01, 0x04, 0x09, 0x00, 0x11, 0x00, 0x02, 0x01, 0x65, 0x59, 0x75, 0x7a, 0x75, 0x4f, 0x53,
+    0x53, 0x45, 0x78, 0x74, 0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x52, 0x65, 0x67, 0x75, 0x6c, 0x61,
+    0x72, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x2e, 0x30, 0x30, 0x30, 0x3b, 0x3b,
+    0x59, 0x75, 0x7a, 0x75, 0x4f, 0x53, 0x53, 0x45, 0x78, 0x74, 0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e,
+    0x2d, 0x52, 0x3b, 0x32, 0x30, 0x31, 0x39, 0x3b, 0x46, 0x4c, 0x56, 0x49, 0x2d, 0x36, 0x31, 0x34,
+    0x59, 0x75, 0x7a, 0x75, 0x4f, 0x53, 0x53, 0x45, 0x78, 0x74, 0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e,
+    0x20, 0x52, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x2e, 0x30, 0x30, 0x30, 0x59,
+    0x75, 0x7a, 0x75, 0x4f, 0x53, 0x53, 0x45, 0x78, 0x74, 0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x2d,
+    0x52, 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, 0x52, 0x00, 0x65, 0x00, 0x67, 0x00, 0x75, 0x00, 0x6c, 0x00, 0x61, 0x00, 0x72, 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, 0x3b, 0x00, 0x3b, 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, 0x2d, 0x00,
+    0x52, 0x00, 0x3b, 0x00, 0x32, 0x00, 0x30, 0x00, 0x31, 0x00, 0x39, 0x00, 0x3b, 0x00, 0x46, 0x00,
+    0x4c, 0x00, 0x56, 0x00, 0x49, 0x00, 0x2d, 0x00, 0x36, 0x00, 0x31, 0x00, 0x34, 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, 0x20, 0x00,
+    0x52, 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, 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, 0x2d, 0x00, 0x52, 0x00,
+    0x52, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x9c, 0x00, 0x32,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 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, 0x07, 0x75, 0x6e, 0x69, 0x30, 0x30, 0x30, 0x30, 0x07, 0x75, 0x6e, 0x69, 0x30, 0x30,
+    0x30, 0x44, 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, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0xff, 0xff, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x01,
+    0x00, 0x00, 0x00, 0x00,
+}};
+
+} // namespace FileSys::SystemArchive::SharedFontData

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

@@ -0,0 +1,13 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+namespace FileSys::SystemArchive::SharedFontData {
+
+extern const std::array<unsigned char, 2932> FONT_NINTENDO_EXTENDED;
+
+} // namespace FileSys::SystemArchive::SharedFontData

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

@@ -0,0 +1,13 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+namespace FileSys::SystemArchive::SharedFontData {
+
+extern const std::array<unsigned char, 217276> FONT_STANDARD;
+
+} // namespace FileSys::SystemArchive::SharedFontData

src/core/file_sys/system_archive/shared_font.cpp

@@ -0,0 +1,78 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/file_sys/system_archive/data/font_chinese_simplified.h"
+#include "core/file_sys/system_archive/data/font_chinese_traditional.h"
+#include "core/file_sys/system_archive/data/font_extended_chinese_simplified.h"
+#include "core/file_sys/system_archive/data/font_korean.h"
+#include "core/file_sys/system_archive/data/font_nintendo_extended.h"
+#include "core/file_sys/system_archive/data/font_standard.h"
+#include "core/file_sys/system_archive/shared_font.h"
+#include "core/file_sys/vfs_vector.h"
+#include "core/hle/service/ns/pl_u.h"
+
+namespace FileSys::SystemArchive {
+
+namespace {
+
+template <std::size_t Size>
+VirtualFile PackBFTTF(const std::array<u8, Size>& data, const std::string& name) {
+    std::vector<u32> vec(Size / sizeof(u32));
+    std::memcpy(vec.data(), data.data(), vec.size() * sizeof(u32));
+
+    std::vector<u8> bfttf(Size + sizeof(u64));
+
+    u64 offset = 0;
+    Service::NS::EncryptSharedFont(vec, bfttf, offset);
+    return std::make_shared<VectorVfsFile>(std::move(bfttf), name);
+}
+
+} // Anonymous namespace
+
+VirtualDir FontNintendoExtension() {
+    return std::make_shared<VectorVfsDirectory>(
+        std::vector<VirtualFile>{
+            PackBFTTF(SharedFontData::FONT_NINTENDO_EXTENDED, "nintendo_ext_003.bfttf"),
+            PackBFTTF(SharedFontData::FONT_NINTENDO_EXTENDED, "nintendo_ext2_003.bfttf"),
+        },
+        std::vector<VirtualDir>{});
+}
+
+VirtualDir FontStandard() {
+    return std::make_shared<VectorVfsDirectory>(
+        std::vector<VirtualFile>{
+            PackBFTTF(SharedFontData::FONT_STANDARD, "nintendo_udsg-r_std_003.bfttf"),
+        },
+        std::vector<VirtualDir>{});
+}
+
+VirtualDir FontKorean() {
+    return std::make_shared<VectorVfsDirectory>(
+        std::vector<VirtualFile>{
+            PackBFTTF(SharedFontData::FONT_KOREAN, "nintendo_udsg-r_ko_003.bfttf"),
+        },
+        std::vector<VirtualDir>{});
+}
+
+VirtualDir FontChineseTraditional() {
+    return std::make_shared<VectorVfsDirectory>(
+        std::vector<VirtualFile>{
+            PackBFTTF(SharedFontData::FONT_CHINESE_TRADITIONAL,
+                      "nintendo_udjxh-db_zh-tw_003.bfttf"),
+        },
+        std::vector<VirtualDir>{});
+}
+
+VirtualDir FontChineseSimple() {
+    return std::make_shared<VectorVfsDirectory>(
+        std::vector<VirtualFile>{
+            PackBFTTF(SharedFontData::FONT_CHINESE_SIMPLIFIED,
+                      "nintendo_udsg-r_org_zh-cn_003.bfttf"),
+            PackBFTTF(SharedFontData::FONT_EXTENDED_CHINESE_SIMPLIFIED,
+                      "nintendo_udsg-r_ext_zh-cn_003.bfttf"),
+        },
+        std::vector<VirtualDir>{});
+}
+
+} // namespace FileSys::SystemArchive

src/core/file_sys/system_archive/shared_font.h

@@ -0,0 +1,17 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/file_sys/vfs_types.h"
+
+namespace FileSys::SystemArchive {
+
+VirtualDir FontNintendoExtension();
+VirtualDir FontStandard();
+VirtualDir FontKorean();
+VirtualDir FontChineseTraditional();
+VirtualDir FontChineseSimple();
+
+} // namespace FileSys::SystemArchive

src/core/file_sys/system_archive/system_archive.cpp

@@ -6,6 +6,7 @@
 #include "core/file_sys/romfs.h"
 #include "core/file_sys/system_archive/mii_model.h"
 #include "core/file_sys/system_archive/ng_word.h"
+#include "core/file_sys/system_archive/shared_font.h"
 #include "core/file_sys/system_archive/system_archive.h"
 #include "core/file_sys/system_archive/system_version.h"
 
@@ -39,11 +40,11 @@ constexpr std::array<SystemArchiveDescriptor, SYSTEM_ARCHIVE_COUNT> SYSTEM_ARCHI
     {0x010000000000080D, "UrlBlackList", nullptr},
     {0x010000000000080E, "TimeZoneBinary", nullptr},
     {0x010000000000080F, "CertStoreCruiser", nullptr},
-    {0x0100000000000810, "FontNintendoExtension", nullptr},
-    {0x0100000000000811, "FontStandard", nullptr},
-    {0x0100000000000812, "FontKorean", nullptr},
-    {0x0100000000000813, "FontChineseTraditional", nullptr},
-    {0x0100000000000814, "FontChineseSimple", nullptr},
+    {0x0100000000000810, "FontNintendoExtension", &FontNintendoExtension},
+    {0x0100000000000811, "FontStandard", &FontStandard},
+    {0x0100000000000812, "FontKorean", &FontKorean},
+    {0x0100000000000813, "FontChineseTraditional", &FontChineseTraditional},
+    {0x0100000000000814, "FontChineseSimple", &FontChineseSimple},
     {0x0100000000000815, "FontBfcpx", nullptr},
     {0x0100000000000816, "SystemUpdate", nullptr},
     {0x0100000000000817, "0100000000000817", nullptr},

src/core/gdbstub/gdbstub.cpp

@@ -202,13 +202,11 @@ void RegisterModule(std::string name, VAddr beg, VAddr end, bool add_elf_ext) {
 }
 
 static Kernel::Thread* FindThreadById(s64 id) {
-    for (u32 core = 0; core < Core::NUM_CPU_CORES; core++) {
-        const auto& threads = Core::System::GetInstance().Scheduler(core).GetThreadList();
-        for (auto& thread : threads) {
-            if (thread->GetThreadID() == static_cast<u64>(id)) {
-                current_core = core;
-                return thread.get();
-            }
+    const auto& threads = Core::System::GetInstance().GlobalScheduler().GetThreadList();
+    for (auto& thread : threads) {
+        if (thread->GetThreadID() == static_cast<u64>(id)) {
+            current_core = thread->GetProcessorID();
+            return thread.get();
         }
     }
     return nullptr;
@@ -647,11 +645,9 @@ static void HandleQuery() {
         SendReply(buffer.c_str());
     } else if (strncmp(query, "fThreadInfo", strlen("fThreadInfo")) == 0) {
         std::string val = "m";
-        for (u32 core = 0; core < Core::NUM_CPU_CORES; core++) {
-            const auto& threads = Core::System::GetInstance().Scheduler(core).GetThreadList();
-            for (const auto& thread : threads) {
-                val += fmt::format("{:x},", thread->GetThreadID());
-            }
+        const auto& threads = Core::System::GetInstance().GlobalScheduler().GetThreadList();
+        for (const auto& thread : threads) {
+            val += fmt::format("{:x},", thread->GetThreadID());
         }
         val.pop_back();
         SendReply(val.c_str());
@@ -661,13 +657,11 @@ static void HandleQuery() {
         std::string buffer;
         buffer += "l<?xml version=\"1.0\"?>";
         buffer += "<threads>";
-        for (u32 core = 0; core < Core::NUM_CPU_CORES; core++) {
-            const auto& threads = Core::System::GetInstance().Scheduler(core).GetThreadList();
-            for (const auto& thread : threads) {
-                buffer +=
-                    fmt::format(R"*(<thread id="{:x}" core="{:d}" name="Thread {:x}"></thread>)*",
-                                thread->GetThreadID(), core, thread->GetThreadID());
-            }
+        const auto& threads = Core::System::GetInstance().GlobalScheduler().GetThreadList();
+        for (const auto& thread : threads) {
+            buffer +=
+                fmt::format(R"*(<thread id="{:x}" core="{:d}" name="Thread {:x}"></thread>)*",
+                            thread->GetThreadID(), thread->GetProcessorID(), thread->GetThreadID());
         }
         buffer += "</threads>";
         SendReply(buffer.c_str());

src/core/hle/kernel/address_arbiter.cpp

@@ -22,6 +22,7 @@ namespace Kernel {
 namespace {
 // Wake up num_to_wake (or all) threads in a vector.
 void WakeThreads(const std::vector<SharedPtr<Thread>>& waiting_threads, s32 num_to_wake) {
+    auto& system = Core::System::GetInstance();
     // Only process up to 'target' threads, unless 'target' is <= 0, in which case process
     // them all.
     std::size_t last = waiting_threads.size();
@@ -35,6 +36,7 @@ void WakeThreads(const std::vector<SharedPtr<Thread>>& waiting_threads, s32 num_
         waiting_threads[i]->SetWaitSynchronizationResult(RESULT_SUCCESS);
         waiting_threads[i]->SetArbiterWaitAddress(0);
         waiting_threads[i]->ResumeFromWait();
+        system.PrepareReschedule(waiting_threads[i]->GetProcessorID());
     }
 }
 } // Anonymous namespace
@@ -89,12 +91,20 @@ ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr a
 
     // Determine the modified value depending on the waiting count.
     s32 updated_value;
-    if (waiting_threads.empty()) {
-        updated_value = value + 1;
-    } else if (num_to_wake <= 0 || waiting_threads.size() <= static_cast<u32>(num_to_wake)) {
-        updated_value = value - 1;
+    if (num_to_wake <= 0) {
+        if (waiting_threads.empty()) {
+            updated_value = value + 1;
+        } else {
+            updated_value = value - 1;
+        }
     } else {
-        updated_value = value;
+        if (waiting_threads.empty()) {
+            updated_value = value + 1;
+        } else if (waiting_threads.size() <= static_cast<u32>(num_to_wake)) {
+            updated_value = value - 1;
+        } else {
+            updated_value = value;
+        }
     }
 
     if (static_cast<s32>(Memory::Read32(address)) != value) {
@@ -169,30 +179,22 @@ ResultCode AddressArbiter::WaitForAddressImpl(VAddr address, s64 timeout) {
 
     current_thread->WakeAfterDelay(timeout);
 
-    system.CpuCore(current_thread->GetProcessorID()).PrepareReschedule();
+    system.PrepareReschedule(current_thread->GetProcessorID());
     return RESULT_TIMEOUT;
 }
 
 std::vector<SharedPtr<Thread>> AddressArbiter::GetThreadsWaitingOnAddress(VAddr address) const {
-    const auto RetrieveWaitingThreads = [this](std::size_t core_index,
-                                               std::vector<SharedPtr<Thread>>& waiting_threads,
-                                               VAddr arb_addr) {
-        const auto& scheduler = system.Scheduler(core_index);
-        const auto& thread_list = scheduler.GetThreadList();
-
-        for (const auto& thread : thread_list) {
-            if (thread->GetArbiterWaitAddress() == arb_addr) {
-                waiting_threads.push_back(thread);
-            }
-        }
-    };
 
     // Retrieve all threads that are waiting for this address.
     std::vector<SharedPtr<Thread>> threads;
-    RetrieveWaitingThreads(0, threads, address);
-    RetrieveWaitingThreads(1, threads, address);
-    RetrieveWaitingThreads(2, threads, address);
-    RetrieveWaitingThreads(3, threads, address);
+    const auto& scheduler = system.GlobalScheduler();
+    const auto& thread_list = scheduler.GetThreadList();
+
+    for (const auto& thread : thread_list) {
+        if (thread->GetArbiterWaitAddress() == address) {
+            threads.push_back(thread);
+        }
+    }
 
     // Sort them by priority, such that the highest priority ones come first.
     std::sort(threads.begin(), threads.end(),

src/core/hle/kernel/kernel.cpp

@@ -12,12 +12,15 @@
 
 #include "core/core.h"
 #include "core/core_timing.h"
+#include "core/core_timing_util.h"
 #include "core/hle/kernel/address_arbiter.h"
 #include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
+#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/lock.h"
 #include "core/hle/result.h"
@@ -58,12 +61,8 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_
         if (thread->HasWakeupCallback()) {
             resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Timeout, thread, nullptr, 0);
         }
-    }
-
-    if (thread->GetMutexWaitAddress() != 0 || thread->GetCondVarWaitAddress() != 0 ||
-        thread->GetWaitHandle() != 0) {
-        ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex ||
-               thread->GetStatus() == ThreadStatus::WaitCondVar);
+    } else if (thread->GetStatus() == ThreadStatus::WaitMutex ||
+               thread->GetStatus() == ThreadStatus::WaitCondVar) {
         thread->SetMutexWaitAddress(0);
         thread->SetCondVarWaitAddress(0);
         thread->SetWaitHandle(0);
@@ -83,18 +82,23 @@ static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_
     }
 
     if (resume) {
+        if (thread->GetStatus() == ThreadStatus::WaitCondVar ||
+            thread->GetStatus() == ThreadStatus::WaitArb) {
+            thread->SetWaitSynchronizationResult(RESULT_TIMEOUT);
+        }
         thread->ResumeFromWait();
     }
 }
 
 struct KernelCore::Impl {
-    explicit Impl(Core::System& system) : system{system} {}
+    explicit Impl(Core::System& system) : system{system}, global_scheduler{system} {}
 
     void Initialize(KernelCore& kernel) {
         Shutdown();
 
         InitializeSystemResourceLimit(kernel);
         InitializeThreads();
+        InitializePreemption();
     }
 
     void Shutdown() {
@@ -110,6 +114,9 @@ struct KernelCore::Impl {
 
         thread_wakeup_callback_handle_table.Clear();
         thread_wakeup_event_type = nullptr;
+        preemption_event = nullptr;
+
+        global_scheduler.Shutdown();
 
         named_ports.clear();
     }
@@ -132,6 +139,18 @@ struct KernelCore::Impl {
             system.CoreTiming().RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback);
     }
 
+    void InitializePreemption() {
+        preemption_event = system.CoreTiming().RegisterEvent(
+            "PreemptionCallback", [this](u64 userdata, s64 cycles_late) {
+                global_scheduler.PreemptThreads();
+                s64 time_interval = Core::Timing::msToCycles(std::chrono::milliseconds(10));
+                system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
+            });
+
+        s64 time_interval = Core::Timing::msToCycles(std::chrono::milliseconds(10));
+        system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
+    }
+
     std::atomic<u32> next_object_id{0};
     std::atomic<u64> next_kernel_process_id{Process::InitialKIPIDMin};
     std::atomic<u64> next_user_process_id{Process::ProcessIDMin};
@@ -140,10 +159,12 @@ struct KernelCore::Impl {
     // Lists all processes that exist in the current session.
     std::vector<SharedPtr<Process>> process_list;
     Process* current_process = nullptr;
+    Kernel::GlobalScheduler global_scheduler;
 
     SharedPtr<ResourceLimit> system_resource_limit;
 
     Core::Timing::EventType* thread_wakeup_event_type = nullptr;
+    Core::Timing::EventType* preemption_event = nullptr;
     // TODO(yuriks): This can be removed if Thread objects are explicitly pooled in the future,
     // allowing us to simply use a pool index or similar.
     Kernel::HandleTable thread_wakeup_callback_handle_table;
@@ -203,6 +224,14 @@ const std::vector<SharedPtr<Process>>& KernelCore::GetProcessList() const {
     return impl->process_list;
 }
 
+Kernel::GlobalScheduler& KernelCore::GlobalScheduler() {
+    return impl->global_scheduler;
+}
+
+const Kernel::GlobalScheduler& KernelCore::GlobalScheduler() const {
+    return impl->global_scheduler;
+}
+
 void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
     impl->named_ports.emplace(std::move(name), std::move(port));
 }

src/core/hle/kernel/kernel.h

@@ -21,6 +21,7 @@ namespace Kernel {
 
 class AddressArbiter;
 class ClientPort;
+class GlobalScheduler;
 class HandleTable;
 class Process;
 class ResourceLimit;
@@ -75,6 +76,12 @@ public:
     /// Retrieves the list of processes.
     const std::vector<SharedPtr<Process>>& GetProcessList() const;
 
+    /// Gets the sole instance of the global scheduler
+    Kernel::GlobalScheduler& GlobalScheduler();
+
+    /// Gets the sole instance of the global scheduler
+    const Kernel::GlobalScheduler& GlobalScheduler() const;
+
     /// Adds a port to the named port table
     void AddNamedPort(std::string name, SharedPtr<ClientPort> port);
 

src/core/hle/kernel/mutex.cpp

@@ -7,6 +7,7 @@
 
 #include "common/assert.h"
 #include "core/core.h"
+#include "core/core_cpu.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/kernel.h"
@@ -78,7 +79,7 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
     // thread.
     ASSERT(requesting_thread == current_thread);
 
-    const u32 addr_value = Memory::Read32(address);
+    u32 addr_value = Memory::Read32(address);
 
     // If the mutex isn't being held, just return success.
     if (addr_value != (holding_thread_handle | Mutex::MutexHasWaitersFlag)) {
@@ -89,6 +90,20 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
         return ERR_INVALID_HANDLE;
     }
 
+    // This a workaround where an unknown bug writes the mutex value to give ownership to a cond var
+    // waiting thread.
+    if (holding_thread->GetStatus() == ThreadStatus::WaitCondVar) {
+        if (holding_thread->GetMutexWaitAddress() == address) {
+            Release(address, holding_thread.get());
+            addr_value = Memory::Read32(address);
+            if (addr_value == 0)
+                return RESULT_SUCCESS;
+            else {
+                holding_thread = handle_table.Get<Thread>(addr_value & Mutex::MutexOwnerMask);
+            }
+        }
+    }
+
     // Wait until the mutex is released
     current_thread->SetMutexWaitAddress(address);
     current_thread->SetWaitHandle(requesting_thread_handle);
@@ -104,14 +119,13 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
     return RESULT_SUCCESS;
 }
 
-ResultCode Mutex::Release(VAddr address) {
+ResultCode Mutex::Release(VAddr address, Thread* holding_thread) {
     // The mutex address must be 4-byte aligned
     if ((address % sizeof(u32)) != 0) {
         return ERR_INVALID_ADDRESS;
     }
 
-    auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
-    auto [thread, num_waiters] = GetHighestPriorityMutexWaitingThread(current_thread, address);
+    auto [thread, num_waiters] = GetHighestPriorityMutexWaitingThread(holding_thread, address);
 
     // There are no more threads waiting for the mutex, release it completely.
     if (thread == nullptr) {
@@ -120,7 +134,7 @@ ResultCode Mutex::Release(VAddr address) {
     }
 
     // Transfer the ownership of the mutex from the previous owner to the new one.
-    TransferMutexOwnership(address, current_thread, thread);
+    TransferMutexOwnership(address, holding_thread, thread);
 
     u32 mutex_value = thread->GetWaitHandle();
 
@@ -139,6 +153,12 @@ ResultCode Mutex::Release(VAddr address) {
     thread->SetCondVarWaitAddress(0);
     thread->SetMutexWaitAddress(0);
     thread->SetWaitHandle(0);
+    thread->SetWaitSynchronizationResult(RESULT_SUCCESS);
+
+    if (thread->GetProcessorID() >= 0)
+        system.CpuCore(thread->GetProcessorID()).PrepareReschedule();
+    if (holding_thread->GetProcessorID() >= 0)
+        system.CpuCore(holding_thread->GetProcessorID()).PrepareReschedule();
 
     return RESULT_SUCCESS;
 }

src/core/hle/kernel/mutex.h

@@ -29,7 +29,7 @@ public:
                           Handle requesting_thread_handle);
 
     /// Releases the mutex at the specified address.
-    ResultCode Release(VAddr address);
+    ResultCode Release(VAddr address, Thread* holding_thread);
 
 private:
     Core::System& system;

src/core/hle/kernel/process.cpp

@@ -213,10 +213,7 @@ void Process::PrepareForTermination() {
         }
     };
 
-    stop_threads(system.Scheduler(0).GetThreadList());
-    stop_threads(system.Scheduler(1).GetThreadList());
-    stop_threads(system.Scheduler(2).GetThreadList());
-    stop_threads(system.Scheduler(3).GetThreadList());
+    stop_threads(system.GlobalScheduler().GetThreadList());
 
     FreeTLSRegion(tls_region_address);
     tls_region_address = 0;

src/core/hle/kernel/scheduler.cpp

@@ -1,8 +1,13 @@
 // 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 <set>
+#include <unordered_set>
 #include <utility>
 
 #include "common/assert.h"
@@ -17,56 +22,405 @@
 
 namespace Kernel {
 
-std::mutex Scheduler::scheduler_mutex;
+GlobalScheduler::GlobalScheduler(Core::System& system) : system{system} {
+    is_reselection_pending = false;
+}
 
-Scheduler::Scheduler(Core::System& system, Core::ARM_Interface& cpu_core)
-    : cpu_core{cpu_core}, system{system} {}
+void GlobalScheduler::AddThread(SharedPtr<Thread> thread) {
+    thread_list.push_back(std::move(thread));
+}
 
-Scheduler::~Scheduler() {
-    for (auto& thread : thread_list) {
-        thread->Stop();
+void GlobalScheduler::RemoveThread(const Thread* thread) {
+    thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
+                      thread_list.end());
+}
+
+/*
+ * UnloadThread selects a core and forces it to unload its current thread's context
+ */
+void GlobalScheduler::UnloadThread(s32 core) {
+    Scheduler& sched = system.Scheduler(core);
+    sched.UnloadThread();
+}
+
+/*
+ * SelectThread takes care of selecting the new scheduled thread.
+ * It does it in 3 steps:
+ * - 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.
+ * - 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.
+ * - 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.
+ */
+void GlobalScheduler::SelectThread(u32 core) {
+    const auto update_thread = [](Thread* thread, Scheduler& sched) {
+        if (thread != sched.selected_thread) {
+            if (thread == nullptr) {
+                ++sched.idle_selection_count;
+            }
+            sched.selected_thread = thread;
+        }
+        sched.is_context_switch_pending = sched.selected_thread != sched.current_thread;
+        std::atomic_thread_fence(std::memory_order_seq_cst);
+    };
+    Scheduler& sched = system.Scheduler(core);
+    Thread* current_thread = nullptr;
+    // Step 1: Get top thread in schedule queue.
+    current_thread = scheduled_queue[core].empty() ? nullptr : scheduled_queue[core].front();
+    if (current_thread) {
+        update_thread(current_thread, sched);
+        return;
+    }
+    // Step 2: Try selecting a suggested thread.
+    Thread* winner = nullptr;
+    std::set<s32> sug_cores;
+    for (auto thread : suggested_queue[core]) {
+        s32 this_core = thread->GetProcessorID();
+        Thread* thread_on_core = nullptr;
+        if (this_core >= 0) {
+            thread_on_core = scheduled_queue[this_core].front();
+        }
+        if (this_core < 0 || thread != thread_on_core) {
+            winner = thread;
+            break;
+        }
+        sug_cores.insert(this_core);
+    }
+    // if we got a suggested thread, select it, else do a second pass.
+    if (winner && winner->GetPriority() > 2) {
+        if (winner->IsRunning()) {
+            UnloadThread(winner->GetProcessorID());
+        }
+        TransferToCore(winner->GetPriority(), core, winner);
+        update_thread(winner, sched);
+        return;
+    }
+    // Step 3: Select a suggested thread from another core
+    for (auto& src_core : sug_cores) {
+        auto it = scheduled_queue[src_core].begin();
+        it++;
+        if (it != scheduled_queue[src_core].end()) {
+            Thread* thread_on_core = scheduled_queue[src_core].front();
+            Thread* to_change = *it;
+            if (thread_on_core->IsRunning() || to_change->IsRunning()) {
+                UnloadThread(src_core);
+            }
+            TransferToCore(thread_on_core->GetPriority(), core, thread_on_core);
+            current_thread = thread_on_core;
+            break;
+        }
+    }
+    update_thread(current_thread, sched);
+}
+
+/*
+ * YieldThread takes a thread and moves it to the back of the it's priority list
+ * This operation can be redundant and no scheduling is changed if marked as so.
+ */
+bool GlobalScheduler::YieldThread(Thread* yielding_thread) {
+    // Note: caller should use critical section, etc.
+    const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID());
+    const u32 priority = yielding_thread->GetPriority();
+
+    // Yield the thread
+    ASSERT_MSG(yielding_thread == scheduled_queue[core_id].front(priority),
+               "Thread yielding without being in front");
+    scheduled_queue[core_id].yield(priority);
+
+    Thread* winner = scheduled_queue[core_id].front(priority);
+    return AskForReselectionOrMarkRedundant(yielding_thread, winner);
+}
+
+/*
+ * YieldThreadAndBalanceLoad 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.
+ * This operation can be redundant and no scheduling is changed if marked as so.
+ */
+bool GlobalScheduler::YieldThreadAndBalanceLoad(Thread* yielding_thread) {
+    // Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section,
+    // etc.
+    const u32 core_id = static_cast<u32>(yielding_thread->GetProcessorID());
+    const u32 priority = yielding_thread->GetPriority();
+
+    // Yield the thread
+    ASSERT_MSG(yielding_thread == scheduled_queue[core_id].front(priority),
+               "Thread yielding without being in front");
+    scheduled_queue[core_id].yield(priority);
+
+    std::array<Thread*, NUM_CPU_CORES> current_threads;
+    for (u32 i = 0; i < NUM_CPU_CORES; 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) {
+            if (winner->IsRunning()) {
+                UnloadThread(winner->GetProcessorID());
+            }
+            TransferToCore(winner->GetPriority(), core_id, winner);
+        }
+    } else {
+        winner = next_thread;
+    }
+
+    return AskForReselectionOrMarkRedundant(yielding_thread, winner);
+}
+
+/*
+ * YieldThreadAndWaitForLoadBalancing takes a thread and moves it out of the scheduling queue
+ * and into the suggested queue. If no thread can be squeduled afterwards in that core,
+ * a suggested thread is obtained instead.
+ * This operation can be redundant and no scheduling is changed if marked as so.
+ */
+bool GlobalScheduler::YieldThreadAndWaitForLoadBalancing(Thread* yielding_thread) {
+    // Note: caller should check if !thread.IsSchedulerOperationRedundant and use critical section,
+    // etc.
+    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*, NUM_CPU_CORES> current_threads;
+        for (u32 i = 0; i < NUM_CPU_CORES; 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) {
+                if (winner->IsRunning()) {
+                    UnloadThread(winner->GetProcessorID());
+                }
+                TransferToCore(winner->GetPriority(), core_id, winner);
+            }
+        } else {
+            winner = yielding_thread;
+        }
+    }
+
+    return AskForReselectionOrMarkRedundant(yielding_thread, winner);
+}
+
+void GlobalScheduler::PreemptThreads() {
+    for (std::size_t core_id = 0; core_id < NUM_CPU_CORES; core_id++) {
+        const u32 priority = preemption_priorities[core_id];
+
+        if (scheduled_queue[core_id].size(priority) > 0) {
+            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) {
+            if (winner->IsRunning()) {
+                UnloadThread(winner->GetProcessorID());
+            }
+            TransferToCore(winner->GetPriority(), 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) {
+                if (winner->IsRunning()) {
+                    UnloadThread(winner->GetProcessorID());
+                }
+                TransferToCore(winner->GetPriority(), core_id, winner);
+                current_thread = winner;
+            }
+        }
+
+        is_reselection_pending.store(true, std::memory_order_release);
     }
 }
 
+void GlobalScheduler::Suggest(u32 priority, u32 core, Thread* thread) {
+    suggested_queue[core].add(thread, priority);
+}
+
+void GlobalScheduler::Unsuggest(u32 priority, u32 core, Thread* thread) {
+    suggested_queue[core].remove(thread, priority);
+}
+
+void GlobalScheduler::Schedule(u32 priority, u32 core, Thread* thread) {
+    ASSERT_MSG(thread->GetProcessorID() == core, "Thread must be assigned to this core.");
+    scheduled_queue[core].add(thread, priority);
+}
+
+void GlobalScheduler::SchedulePrepend(u32 priority, u32 core, Thread* thread) {
+    ASSERT_MSG(thread->GetProcessorID() == core, "Thread must be assigned to this core.");
+    scheduled_queue[core].add(thread, priority, false);
+}
+
+void GlobalScheduler::Reschedule(u32 priority, u32 core, Thread* thread) {
+    scheduled_queue[core].remove(thread, priority);
+    scheduled_queue[core].add(thread, priority);
+}
+
+void GlobalScheduler::Unschedule(u32 priority, u32 core, Thread* thread) {
+    scheduled_queue[core].remove(thread, priority);
+}
+
+void GlobalScheduler::TransferToCore(u32 priority, s32 destination_core, Thread* thread) {
+    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, source_core, thread);
+    }
+    if (destination_core >= 0) {
+        Unsuggest(priority, destination_core, thread);
+        Schedule(priority, destination_core, thread);
+    }
+    if (source_core >= 0) {
+        Suggest(priority, source_core, thread);
+    }
+}
+
+bool GlobalScheduler::AskForReselectionOrMarkRedundant(Thread* current_thread, 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::Shutdown() {
+    for (std::size_t core = 0; core < NUM_CPU_CORES; core++) {
+        scheduled_queue[core].clear();
+        suggested_queue[core].clear();
+    }
+    thread_list.clear();
+}
+
+GlobalScheduler::~GlobalScheduler() = default;
+
+Scheduler::Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, u32 core_id)
+    : system(system), cpu_core(cpu_core), core_id(core_id) {}
+
+Scheduler::~Scheduler() = default;
+
 bool Scheduler::HaveReadyThreads() const {
-    std::lock_guard lock{scheduler_mutex};
-    return !ready_queue.empty();
+    return system.GlobalScheduler().HaveReadyThreads(core_id);
 }
 
 Thread* Scheduler::GetCurrentThread() const {
     return current_thread.get();
 }
 
+Thread* Scheduler::GetSelectedThread() const {
+    return selected_thread.get();
+}
+
+void Scheduler::SelectThreads() {
+    system.GlobalScheduler().SelectThread(core_id);
+}
+
 u64 Scheduler::GetLastContextSwitchTicks() const {
     return last_context_switch_time;
 }
 
-Thread* Scheduler::PopNextReadyThread() {
-    Thread* next = nullptr;
-    Thread* thread = GetCurrentThread();
-
-    if (thread && thread->GetStatus() == ThreadStatus::Running) {
-        if (ready_queue.empty()) {
-            return thread;
-        }
-        // We have to do better than the current thread.
-        // This call returns null when that's not possible.
-        next = ready_queue.front();
-        if (next == nullptr || next->GetPriority() >= thread->GetPriority()) {
-            next = thread;
-        }
-    } else {
-        if (ready_queue.empty()) {
-            return nullptr;
-        }
-        next = ready_queue.front();
+void Scheduler::TryDoContextSwitch() {
+    if (is_context_switch_pending) {
+        SwitchContext();
     }
-
-    return next;
 }
 
-void Scheduler::SwitchContext(Thread* new_thread) {
-    Thread* previous_thread = GetCurrentThread();
+void Scheduler::UnloadThread() {
+    Thread* const previous_thread = GetCurrentThread();
     Process* const previous_process = system.Kernel().CurrentProcess();
 
     UpdateLastContextSwitchTime(previous_thread, previous_process);
@@ -80,23 +434,52 @@ void Scheduler::SwitchContext(Thread* new_thread) {
         if (previous_thread->GetStatus() == ThreadStatus::Running) {
             // This is only the case when a reschedule is triggered without the current thread
             // yielding execution (i.e. an event triggered, system core time-sliced, etc)
-            ready_queue.add(previous_thread, previous_thread->GetPriority(), false);
             previous_thread->SetStatus(ThreadStatus::Ready);
         }
+        previous_thread->SetIsRunning(false);
+    }
+    current_thread = nullptr;
+}
+
+void Scheduler::SwitchContext() {
+    Thread* const previous_thread = GetCurrentThread();
+    Thread* const new_thread = GetSelectedThread();
+
+    is_context_switch_pending = false;
+    if (new_thread == previous_thread) {
+        return;
+    }
+
+    Process* const previous_process = system.Kernel().CurrentProcess();
+
+    UpdateLastContextSwitchTime(previous_thread, previous_process);
+
+    // Save context for previous thread
+    if (previous_thread) {
+        cpu_core.SaveContext(previous_thread->GetContext());
+        // Save the TPIDR_EL0 system register in case it was modified.
+        previous_thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
+
+        if (previous_thread->GetStatus() == ThreadStatus::Running) {
+            // This is only the case when a reschedule is triggered without the current thread
+            // yielding execution (i.e. an event triggered, system core time-sliced, etc)
+            previous_thread->SetStatus(ThreadStatus::Ready);
+        }
+        previous_thread->SetIsRunning(false);
     }
 
     // Load context of new thread
     if (new_thread) {
+        ASSERT_MSG(new_thread->GetProcessorID() == this->core_id,
+                   "Thread must be assigned to this core.");
         ASSERT_MSG(new_thread->GetStatus() == ThreadStatus::Ready,
                    "Thread must be ready to become running.");
 
         // Cancel any outstanding wakeup events for this thread
         new_thread->CancelWakeupTimer();
-
         current_thread = new_thread;
-
-        ready_queue.remove(new_thread, new_thread->GetPriority());
         new_thread->SetStatus(ThreadStatus::Running);
+        new_thread->SetIsRunning(true);
 
         auto* const thread_owner_process = current_thread->GetOwnerProcess();
         if (previous_process != thread_owner_process) {
@@ -130,124 +513,9 @@ void Scheduler::UpdateLastContextSwitchTime(Thread* thread, Process* process) {
     last_context_switch_time = most_recent_switch_ticks;
 }
 
-void Scheduler::Reschedule() {
-    std::lock_guard lock{scheduler_mutex};
-
-    Thread* cur = GetCurrentThread();
-    Thread* next = PopNextReadyThread();
-
-    if (cur && next) {
-        LOG_TRACE(Kernel, "context switch {} -> {}", cur->GetObjectId(), next->GetObjectId());
-    } else if (cur) {
-        LOG_TRACE(Kernel, "context switch {} -> idle", cur->GetObjectId());
-    } else if (next) {
-        LOG_TRACE(Kernel, "context switch idle -> {}", next->GetObjectId());
-    }
-
-    SwitchContext(next);
-}
-
-void Scheduler::AddThread(SharedPtr<Thread> thread) {
-    std::lock_guard lock{scheduler_mutex};
-
-    thread_list.push_back(std::move(thread));
-}
-
-void Scheduler::RemoveThread(Thread* thread) {
-    std::lock_guard lock{scheduler_mutex};
-
-    thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
-                      thread_list.end());
-}
-
-void Scheduler::ScheduleThread(Thread* thread, u32 priority) {
-    std::lock_guard lock{scheduler_mutex};
-
-    ASSERT(thread->GetStatus() == ThreadStatus::Ready);
-    ready_queue.add(thread, priority);
-}
-
-void Scheduler::UnscheduleThread(Thread* thread, u32 priority) {
-    std::lock_guard lock{scheduler_mutex};
-
-    ASSERT(thread->GetStatus() == ThreadStatus::Ready);
-    ready_queue.remove(thread, priority);
-}
-
-void Scheduler::SetThreadPriority(Thread* thread, u32 priority) {
-    std::lock_guard lock{scheduler_mutex};
-    if (thread->GetPriority() == priority) {
-        return;
-    }
-
-    // If thread was ready, adjust queues
-    if (thread->GetStatus() == ThreadStatus::Ready)
-        ready_queue.adjust(thread, thread->GetPriority(), priority);
-}
-
-Thread* Scheduler::GetNextSuggestedThread(u32 core, u32 maximum_priority) const {
-    std::lock_guard lock{scheduler_mutex};
-
-    const u32 mask = 1U << core;
-    for (auto* thread : ready_queue) {
-        if ((thread->GetAffinityMask() & mask) != 0 && thread->GetPriority() < maximum_priority) {
-            return thread;
-        }
-    }
-    return nullptr;
-}
-
-void Scheduler::YieldWithoutLoadBalancing(Thread* thread) {
-    ASSERT(thread != nullptr);
-    // Avoid yielding if the thread isn't even running.
-    ASSERT(thread->GetStatus() == ThreadStatus::Running);
-
-    // Sanity check that the priority is valid
-    ASSERT(thread->GetPriority() < THREADPRIO_COUNT);
-
-    // Yield this thread -- sleep for zero time and force reschedule to different thread
-    GetCurrentThread()->Sleep(0);
-}
-
-void Scheduler::YieldWithLoadBalancing(Thread* thread) {
-    ASSERT(thread != nullptr);
-    const auto priority = thread->GetPriority();
-    const auto core = static_cast<u32>(thread->GetProcessorID());
-
-    // Avoid yielding if the thread isn't even running.
-    ASSERT(thread->GetStatus() == ThreadStatus::Running);
-
-    // Sanity check that the priority is valid
-    ASSERT(priority < THREADPRIO_COUNT);
-
-    // Sleep for zero time to be able to force reschedule to different thread
-    GetCurrentThread()->Sleep(0);
-
-    Thread* suggested_thread = nullptr;
-
-    // Search through all of the cpu cores (except this one) for a suggested thread.
-    // Take the first non-nullptr one
-    for (unsigned cur_core = 0; cur_core < Core::NUM_CPU_CORES; ++cur_core) {
-        const auto res =
-            system.CpuCore(cur_core).Scheduler().GetNextSuggestedThread(core, priority);
-
-        // If scheduler provides a suggested thread
-        if (res != nullptr) {
-            // And its better than the current suggested thread (or is the first valid one)
-            if (suggested_thread == nullptr ||
-                suggested_thread->GetPriority() > res->GetPriority()) {
-                suggested_thread = res;
-            }
-        }
-    }
-
-    // If a suggested thread was found, queue that for this core
-    if (suggested_thread != nullptr)
-        suggested_thread->ChangeCore(core, suggested_thread->GetAffinityMask());
-}
-
-void Scheduler::YieldAndWaitForLoadBalancing(Thread* thread) {
-    UNIMPLEMENTED_MSG("Wait for load balancing thread yield type is not implemented!");
+void Scheduler::Shutdown() {
+    current_thread = nullptr;
+    selected_thread = nullptr;
 }
 
 } // namespace Kernel

src/core/hle/kernel/scheduler.h

@@ -20,124 +20,172 @@ namespace Kernel {
 
 class Process;
 
-class Scheduler final {
+class GlobalScheduler final {
 public:
-    explicit Scheduler(Core::System& system, Core::ARM_Interface& cpu_core);
-    ~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 Reschedule();
-
-    /// Gets the current running thread
-    Thread* GetCurrentThread() const;
-
-    /// Gets the timestamp for the last context switch in ticks.
-    u64 GetLastContextSwitchTicks() const;
+    static constexpr u32 NUM_CPU_CORES = 4;
 
+    explicit GlobalScheduler(Core::System& system);
+    ~GlobalScheduler();
     /// Adds a new thread to the scheduler
     void AddThread(SharedPtr<Thread> thread);
 
     /// Removes a thread from the scheduler
-    void RemoveThread(Thread* thread);
-
-    /// Schedules a thread that has become "ready"
-    void ScheduleThread(Thread* thread, u32 priority);
-
-    /// Unschedules a thread that was already scheduled
-    void UnscheduleThread(Thread* thread, u32 priority);
-
-    /// Sets the priority of a thread in the scheduler
-    void SetThreadPriority(Thread* thread, u32 priority);
-
-    /// Gets the next suggested thread for load balancing
-    Thread* GetNextSuggestedThread(u32 core, u32 minimum_priority) const;
-
-    /**
-     * YieldWithoutLoadBalancing -- analogous to normal yield on a system
-     * Moves the thread to the end of the ready queue for its priority, and then reschedules the
-     * system to the new head of the queue.
-     *
-     * Example (Single Core -- but can be extrapolated to multi):
-     * ready_queue[prio=0]: ThreadA, ThreadB, ThreadC (->exec order->)
-     * Currently Running: ThreadR
-     *
-     * ThreadR calls YieldWithoutLoadBalancing
-     *
-     * ThreadR is moved to the end of ready_queue[prio=0]:
-     * ready_queue[prio=0]: ThreadA, ThreadB, ThreadC, ThreadR (->exec order->)
-     * Currently Running: Nothing
-     *
-     * System is rescheduled (ThreadA is popped off of queue):
-     * ready_queue[prio=0]: ThreadB, ThreadC, ThreadR (->exec order->)
-     * Currently Running: ThreadA
-     *
-     * If the queue is empty at time of call, no yielding occurs. This does not cross between cores
-     * or priorities at all.
-     */
-    void YieldWithoutLoadBalancing(Thread* thread);
-
-    /**
-     * YieldWithLoadBalancing -- yield but with better selection of the new running thread
-     * Moves the current thread to the end of the ready queue for its priority, then selects a
-     * 'suggested thread' (a thread on a different core that could run on this core) from the
-     * scheduler, changes its core, and reschedules the current core to that thread.
-     *
-     * Example (Dual Core -- can be extrapolated to Quad Core, this is just normal yield if it were
-     * single core):
-     * ready_queue[core=0][prio=0]: ThreadA, ThreadB (affinities not pictured as irrelevant
-     * ready_queue[core=1][prio=0]: ThreadC[affinity=both], ThreadD[affinity=core1only]
-     * Currently Running: ThreadQ on Core 0 || ThreadP on Core 1
-     *
-     * ThreadQ calls YieldWithLoadBalancing
-     *
-     * ThreadQ is moved to the end of ready_queue[core=0][prio=0]:
-     * ready_queue[core=0][prio=0]: ThreadA, ThreadB
-     * ready_queue[core=1][prio=0]: ThreadC[affinity=both], ThreadD[affinity=core1only]
-     * Currently Running: ThreadQ on Core 0 || ThreadP on Core 1
-     *
-     * A list of suggested threads for each core is compiled
-     * Suggested Threads: {ThreadC on Core 1}
-     * If this were quad core (as the switch is), there could be between 0 and 3 threads in this
-     * list. If there are more than one, the thread is selected by highest prio.
-     *
-     * ThreadC is core changed to Core 0:
-     * ready_queue[core=0][prio=0]: ThreadC, ThreadA, ThreadB, ThreadQ
-     * ready_queue[core=1][prio=0]: ThreadD
-     * Currently Running: None on Core 0 || ThreadP on Core 1
-     *
-     * System is rescheduled (ThreadC is popped off of queue):
-     * ready_queue[core=0][prio=0]: ThreadA, ThreadB, ThreadQ
-     * ready_queue[core=1][prio=0]: ThreadD
-     * Currently Running: ThreadC on Core 0 || ThreadP on Core 1
-     *
-     * If no suggested threads can be found this will behave just as normal yield. If there are
-     * multiple candidates for the suggested thread on a core, the highest prio is taken.
-     */
-    void YieldWithLoadBalancing(Thread* thread);
-
-    /// Currently unknown -- asserts as unimplemented on call
-    void YieldAndWaitForLoadBalancing(Thread* thread);
+    void RemoveThread(const Thread* thread);
 
     /// Returns a list of all threads managed by the scheduler
     const std::vector<SharedPtr<Thread>>& GetThreadList() const {
         return thread_list;
     }
 
-private:
-    /**
-     * Pops and returns the next thread from the thread queue
-     * @return A pointer to the next ready thread
-     */
-    Thread* PopNextReadyThread();
+    // 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, u32 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, u32 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, u32 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, u32 core, Thread* thread);
+
+    // Reschedule an already scheduled thread based on a new priority
+    void Reschedule(u32 priority, u32 core, Thread* thread);
+
+    // Unschedule a thread.
+    void Unschedule(u32 priority, u32 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);
+
+    /*
+     * UnloadThread selects a core and forces it to unload its current thread's context
+     */
+    void UnloadThread(s32 core);
+
+    /*
+     * SelectThread takes care of selecting the new scheduled thread.
+     * It does it in 3 steps:
+     * - 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.
+     * - 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.
+     * - 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.
+     */
+    void SelectThread(u32 core);
+
+    bool HaveReadyThreads(u32 core_id) const {
+        return !scheduled_queue[core_id].empty();
+    }
+
+    /*
+     * YieldThread takes a thread and moves it to the back of the it's priority list
+     * This operation can be redundant and no scheduling is changed if marked as so.
+     */
+    bool YieldThread(Thread* thread);
+
+    /*
+     * YieldThreadAndBalanceLoad 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.
+     * This operation can be redundant and no scheduling is changed if marked as so.
+     */
+    bool YieldThreadAndBalanceLoad(Thread* thread);
+
+    /*
+     * YieldThreadAndWaitForLoadBalancing takes a thread and moves it out of the scheduling queue
+     * and into the suggested queue. If no thread can be squeduled afterwards in that core,
+     * a suggested thread is obtained instead.
+     * This operation can be redundant and no scheduling is changed if marked as so.
+     */
+    bool YieldThreadAndWaitForLoadBalancing(Thread* thread);
+
+    /*
+     * PreemptThreads this operation 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'. This operation happens
+     * every 10ms.
+     */
+    void PreemptThreads();
+
+    u32 CpuCoresCount() const {
+        return 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:
+    bool AskForReselectionOrMarkRedundant(Thread* current_thread, Thread* winner);
+
+    static constexpr u32 min_regular_priority = 2;
+    std::array<Common::MultiLevelQueue<Thread*, THREADPRIO_COUNT>, NUM_CPU_CORES> scheduled_queue;
+    std::array<Common::MultiLevelQueue<Thread*, THREADPRIO_COUNT>, NUM_CPU_CORES> suggested_queue;
+    std::atomic<bool> is_reselection_pending;
+
+    // `preemption_priorities` are 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, NUM_CPU_CORES> preemption_priorities = {59, 59, 59, 62};
+
+    /// Lists all thread ids that aren't deleted/etc.
+    std::vector<SharedPtr<Thread>> thread_list;
+    Core::System& system;
+};
+
+class Scheduler final {
+public:
+    explicit Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, u32 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();
+
+    /// Unloads currently running thread
+    void UnloadThread();
+
+    /// Select the threads in top of the scheduling multilist.
+    void SelectThreads();
+
+    /// 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;
+    }
+
+    /// Shutdowns the scheduler.
+    void Shutdown();
+
+private:
+    friend class GlobalScheduler;
     /**
      * Switches the CPU's active thread context to that of the specified thread
      * @param new_thread The thread to switch to
      */
-    void SwitchContext(Thread* new_thread);
+    void SwitchContext();
 
     /**
      * Called on every context switch to update the internal timestamp
@@ -152,19 +200,16 @@ private:
      */
     void UpdateLastContextSwitchTime(Thread* thread, Process* process);
 
-    /// Lists all thread ids that aren't deleted/etc.
-    std::vector<SharedPtr<Thread>> thread_list;
-
-    /// Lists only ready thread ids.
-    Common::MultiLevelQueue<Thread*, THREADPRIO_LOWEST + 1> ready_queue;
-
     SharedPtr<Thread> current_thread = nullptr;
-
-    Core::ARM_Interface& cpu_core;
-    u64 last_context_switch_time = 0;
+    SharedPtr<Thread> selected_thread = nullptr;
 
     Core::System& system;
-    static std::mutex scheduler_mutex;
+    Core::ARM_Interface& cpu_core;
+    u64 last_context_switch_time = 0;
+    u64 idle_selection_count = 0;
+    const u32 core_id;
+
+    bool is_context_switch_pending = false;
 };
 
 } // namespace Kernel

src/core/hle/kernel/svc.cpp

@@ -516,7 +516,7 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr
     thread->WakeAfterDelay(nano_seconds);
     thread->SetWakeupCallback(DefaultThreadWakeupCallback);
 
-    system.CpuCore(thread->GetProcessorID()).PrepareReschedule();
+    system.PrepareReschedule(thread->GetProcessorID());
 
     return RESULT_TIMEOUT;
 }
@@ -534,6 +534,7 @@ static ResultCode CancelSynchronization(Core::System& system, Handle thread_hand
     }
 
     thread->CancelWait();
+    system.PrepareReschedule(thread->GetProcessorID());
     return RESULT_SUCCESS;
 }
 
@@ -577,7 +578,8 @@ static ResultCode ArbitrateUnlock(Core::System& system, VAddr mutex_addr) {
     }
 
     auto* const current_process = system.Kernel().CurrentProcess();
-    return current_process->GetMutex().Release(mutex_addr);
+    return current_process->GetMutex().Release(mutex_addr,
+                                               system.CurrentScheduler().GetCurrentThread());
 }
 
 enum class BreakType : u32 {
@@ -1066,6 +1068,8 @@ static ResultCode SetThreadActivity(Core::System& system, Handle handle, u32 act
     }
 
     thread->SetActivity(static_cast<ThreadActivity>(activity));
+
+    system.PrepareReschedule(thread->GetProcessorID());
     return RESULT_SUCCESS;
 }
 
@@ -1147,7 +1151,7 @@ static ResultCode SetThreadPriority(Core::System& system, Handle handle, u32 pri
 
     thread->SetPriority(priority);
 
-    system.CpuCore(thread->GetProcessorID()).PrepareReschedule();
+    system.PrepareReschedule(thread->GetProcessorID());
     return RESULT_SUCCESS;
 }
 
@@ -1503,7 +1507,7 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
     thread->SetName(
         fmt::format("thread[entry_point={:X}, handle={:X}]", entry_point, *new_thread_handle));
 
-    system.CpuCore(thread->GetProcessorID()).PrepareReschedule();
+    system.PrepareReschedule(thread->GetProcessorID());
 
     return RESULT_SUCCESS;
 }
@@ -1525,7 +1529,7 @@ static ResultCode StartThread(Core::System& system, Handle thread_handle) {
     thread->ResumeFromWait();
 
     if (thread->GetStatus() == ThreadStatus::Ready) {
-        system.CpuCore(thread->GetProcessorID()).PrepareReschedule();
+        system.PrepareReschedule(thread->GetProcessorID());
     }
 
     return RESULT_SUCCESS;
@@ -1537,7 +1541,7 @@ static void ExitThread(Core::System& system) {
 
     auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
     current_thread->Stop();
-    system.CurrentScheduler().RemoveThread(current_thread);
+    system.GlobalScheduler().RemoveThread(current_thread);
     system.PrepareReschedule();
 }
 
@@ -1553,17 +1557,18 @@ static void SleepThread(Core::System& system, s64 nanoseconds) {
 
     auto& scheduler = system.CurrentScheduler();
     auto* const current_thread = scheduler.GetCurrentThread();
+    bool is_redundant = false;
 
     if (nanoseconds <= 0) {
         switch (static_cast<SleepType>(nanoseconds)) {
         case SleepType::YieldWithoutLoadBalancing:
-            scheduler.YieldWithoutLoadBalancing(current_thread);
+            is_redundant = current_thread->YieldSimple();
             break;
         case SleepType::YieldWithLoadBalancing:
-            scheduler.YieldWithLoadBalancing(current_thread);
+            is_redundant = current_thread->YieldAndBalanceLoad();
             break;
         case SleepType::YieldAndWaitForLoadBalancing:
-            scheduler.YieldAndWaitForLoadBalancing(current_thread);
+            is_redundant = current_thread->YieldAndWaitForLoadBalancing();
             break;
         default:
             UNREACHABLE_MSG("Unimplemented sleep yield type '{:016X}'!", nanoseconds);
@@ -1572,10 +1577,13 @@ static void SleepThread(Core::System& system, s64 nanoseconds) {
         current_thread->Sleep(nanoseconds);
     }
 
-    // Reschedule all CPU cores
-    for (std::size_t i = 0; i < Core::NUM_CPU_CORES; ++i) {
-        system.CpuCore(i).PrepareReschedule();
+    if (is_redundant) {
+        // If it's redundant, the core is pretty much idle. Some games keep idling
+        // a core while it's doing nothing, we advance timing to avoid costly continuous
+        // calls.
+        system.CoreTiming().AddTicks(2000);
     }
+    system.PrepareReschedule(current_thread->GetProcessorID());
 }
 
 /// Wait process wide key atomic
@@ -1601,17 +1609,21 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
         return ERR_INVALID_ADDRESS;
     }
 
+    ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4));
+
     auto* const current_process = system.Kernel().CurrentProcess();
     const auto& handle_table = current_process->GetHandleTable();
     SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
     ASSERT(thread);
 
-    const auto release_result = current_process->GetMutex().Release(mutex_addr);
+    SharedPtr<Thread> current_thread = system.CurrentScheduler().GetCurrentThread();
+
+    const auto release_result =
+        current_process->GetMutex().Release(mutex_addr, current_thread.get());
     if (release_result.IsError()) {
         return release_result;
     }
 
-    SharedPtr<Thread> current_thread = system.CurrentScheduler().GetCurrentThread();
     current_thread->SetCondVarWaitAddress(condition_variable_addr);
     current_thread->SetMutexWaitAddress(mutex_addr);
     current_thread->SetWaitHandle(thread_handle);
@@ -1622,7 +1634,7 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
 
     // Note: Deliberately don't attempt to inherit the lock owner's priority.
 
-    system.CpuCore(current_thread->GetProcessorID()).PrepareReschedule();
+    system.PrepareReschedule(current_thread->GetProcessorID());
     return RESULT_SUCCESS;
 }
 
@@ -1632,24 +1644,19 @@ static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_var
     LOG_TRACE(Kernel_SVC, "called, condition_variable_addr=0x{:X}, target=0x{:08X}",
               condition_variable_addr, target);
 
-    const auto RetrieveWaitingThreads = [&system](std::size_t core_index,
-                                                  std::vector<SharedPtr<Thread>>& waiting_threads,
-                                                  VAddr condvar_addr) {
-        const auto& scheduler = system.Scheduler(core_index);
-        const auto& thread_list = scheduler.GetThreadList();
-
-        for (const auto& thread : thread_list) {
-            if (thread->GetCondVarWaitAddress() == condvar_addr)
-                waiting_threads.push_back(thread);
-        }
-    };
+    ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4));
 
     // Retrieve a list of all threads that are waiting for this condition variable.
     std::vector<SharedPtr<Thread>> waiting_threads;
-    RetrieveWaitingThreads(0, waiting_threads, condition_variable_addr);
-    RetrieveWaitingThreads(1, waiting_threads, condition_variable_addr);
-    RetrieveWaitingThreads(2, waiting_threads, condition_variable_addr);
-    RetrieveWaitingThreads(3, waiting_threads, condition_variable_addr);
+    const auto& scheduler = system.GlobalScheduler();
+    const auto& thread_list = scheduler.GetThreadList();
+
+    for (const auto& thread : thread_list) {
+        if (thread->GetCondVarWaitAddress() == condition_variable_addr) {
+            waiting_threads.push_back(thread);
+        }
+    }
+
     // Sort them by priority, such that the highest priority ones come first.
     std::sort(waiting_threads.begin(), waiting_threads.end(),
               [](const SharedPtr<Thread>& lhs, const SharedPtr<Thread>& rhs) {
@@ -1679,18 +1686,20 @@ static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_var
 
         // Atomically read the value of the mutex.
         u32 mutex_val = 0;
+        u32 update_val = 0;
+        const VAddr mutex_address = thread->GetMutexWaitAddress();
         do {
-            monitor.SetExclusive(current_core, thread->GetMutexWaitAddress());
+            monitor.SetExclusive(current_core, mutex_address);
 
             // If the mutex is not yet acquired, acquire it.
-            mutex_val = Memory::Read32(thread->GetMutexWaitAddress());
+            mutex_val = Memory::Read32(mutex_address);
 
             if (mutex_val != 0) {
-                monitor.ClearExclusive();
-                break;
+                update_val = mutex_val | Mutex::MutexHasWaitersFlag;
+            } else {
+                update_val = thread->GetWaitHandle();
             }
-        } while (!monitor.ExclusiveWrite32(current_core, thread->GetMutexWaitAddress(),
-                                           thread->GetWaitHandle()));
+        } while (!monitor.ExclusiveWrite32(current_core, mutex_address, update_val));
         if (mutex_val == 0) {
             // We were able to acquire the mutex, resume this thread.
             ASSERT(thread->GetStatus() == ThreadStatus::WaitCondVar);
@@ -1704,20 +1713,9 @@ static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_var
             thread->SetLockOwner(nullptr);
             thread->SetMutexWaitAddress(0);
             thread->SetWaitHandle(0);
-            system.CpuCore(thread->GetProcessorID()).PrepareReschedule();
+            thread->SetWaitSynchronizationResult(RESULT_SUCCESS);
+            system.PrepareReschedule(thread->GetProcessorID());
         } else {
-            // Atomically signal that the mutex now has a waiting thread.
-            do {
-                monitor.SetExclusive(current_core, thread->GetMutexWaitAddress());
-
-                // Ensure that the mutex value is still what we expect.
-                u32 value = Memory::Read32(thread->GetMutexWaitAddress());
-                // TODO(Subv): When this happens, the kernel just clears the exclusive state and
-                // retries the initial read for this thread.
-                ASSERT_MSG(mutex_val == value, "Unhandled synchronization primitive case");
-            } while (!monitor.ExclusiveWrite32(current_core, thread->GetMutexWaitAddress(),
-                                               mutex_val | Mutex::MutexHasWaitersFlag));
-
             // The mutex is already owned by some other thread, make this thread wait on it.
             const Handle owner_handle = static_cast<Handle>(mutex_val & Mutex::MutexOwnerMask);
             const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
@@ -1728,6 +1726,7 @@ static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_var
             thread->SetStatus(ThreadStatus::WaitMutex);
 
             owner->AddMutexWaiter(thread);
+            system.PrepareReschedule(thread->GetProcessorID());
         }
     }
 
@@ -1754,7 +1753,12 @@ static ResultCode WaitForAddress(Core::System& system, VAddr address, u32 type,
 
     const auto arbitration_type = static_cast<AddressArbiter::ArbitrationType>(type);
     auto& address_arbiter = system.Kernel().CurrentProcess()->GetAddressArbiter();
-    return address_arbiter.WaitForAddress(address, arbitration_type, value, timeout);
+    const ResultCode result =
+        address_arbiter.WaitForAddress(address, arbitration_type, value, timeout);
+    if (result == RESULT_SUCCESS) {
+        system.PrepareReschedule();
+    }
+    return result;
 }
 
 // Signals to an address (via Address Arbiter)
@@ -2040,7 +2044,10 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle,
         return ERR_INVALID_HANDLE;
     }
 
+    system.PrepareReschedule(thread->GetProcessorID());
     thread->ChangeCore(core, affinity_mask);
+    system.PrepareReschedule(thread->GetProcessorID());
+
     return RESULT_SUCCESS;
 }
 
@@ -2151,6 +2158,7 @@ static ResultCode SignalEvent(Core::System& system, Handle handle) {
     }
 
     writable_event->Signal();
+    system.PrepareReschedule();
     return RESULT_SUCCESS;
 }
 

src/core/hle/kernel/thread.cpp

@@ -45,15 +45,7 @@ void Thread::Stop() {
                                                              callback_handle);
     kernel.ThreadWakeupCallbackHandleTable().Close(callback_handle);
     callback_handle = 0;
-
-    // Clean up thread from ready queue
-    // This is only needed when the thread is terminated forcefully (SVC TerminateProcess)
-    if (status == ThreadStatus::Ready || status == ThreadStatus::Paused) {
-        scheduler->UnscheduleThread(this, current_priority);
-    }
-
-    status = ThreadStatus::Dead;
-
+    SetStatus(ThreadStatus::Dead);
     WakeupAllWaitingThreads();
 
     // Clean up any dangling references in objects that this thread was waiting for
@@ -132,17 +124,16 @@ void Thread::ResumeFromWait() {
     wakeup_callback = nullptr;
 
     if (activity == ThreadActivity::Paused) {
-        status = ThreadStatus::Paused;
+        SetStatus(ThreadStatus::Paused);
         return;
     }
 
-    status = ThreadStatus::Ready;
-
-    ChangeScheduler();
+    SetStatus(ThreadStatus::Ready);
 }
 
 void Thread::CancelWait() {
     ASSERT(GetStatus() == ThreadStatus::WaitSynch);
+    ClearWaitObjects();
     SetWaitSynchronizationResult(ERR_SYNCHRONIZATION_CANCELED);
     ResumeFromWait();
 }
@@ -205,9 +196,9 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
     thread->name = std::move(name);
     thread->callback_handle = kernel.ThreadWakeupCallbackHandleTable().Create(thread).Unwrap();
     thread->owner_process = &owner_process;
+    auto& scheduler = kernel.GlobalScheduler();
+    scheduler.AddThread(thread);
     thread->tls_address = thread->owner_process->CreateTLSRegion();
-    thread->scheduler = &system.Scheduler(processor_id);
-    thread->scheduler->AddThread(thread);
 
     thread->owner_process->RegisterThread(thread.get());
 
@@ -250,6 +241,22 @@ void Thread::SetStatus(ThreadStatus new_status) {
         return;
     }
 
+    switch (new_status) {
+    case ThreadStatus::Ready:
+    case ThreadStatus::Running:
+        SetSchedulingStatus(ThreadSchedStatus::Runnable);
+        break;
+    case ThreadStatus::Dormant:
+        SetSchedulingStatus(ThreadSchedStatus::None);
+        break;
+    case ThreadStatus::Dead:
+        SetSchedulingStatus(ThreadSchedStatus::Exited);
+        break;
+    default:
+        SetSchedulingStatus(ThreadSchedStatus::Paused);
+        break;
+    }
+
     if (status == ThreadStatus::Running) {
         last_running_ticks = Core::System::GetInstance().CoreTiming().GetTicks();
     }
@@ -311,8 +318,7 @@ void Thread::UpdatePriority() {
         return;
     }
 
-    scheduler->SetThreadPriority(this, new_priority);
-    current_priority = new_priority;
+    SetCurrentPriority(new_priority);
 
     if (!lock_owner) {
         return;
@@ -328,47 +334,7 @@ void Thread::UpdatePriority() {
 }
 
 void Thread::ChangeCore(u32 core, u64 mask) {
-    ideal_core = core;
-    affinity_mask = mask;
-    ChangeScheduler();
-}
-
-void Thread::ChangeScheduler() {
-    if (status != ThreadStatus::Ready) {
-        return;
-    }
-
-    auto& system = Core::System::GetInstance();
-    std::optional<s32> new_processor_id{GetNextProcessorId(affinity_mask)};
-
-    if (!new_processor_id) {
-        new_processor_id = processor_id;
-    }
-    if (ideal_core != -1 && system.Scheduler(ideal_core).GetCurrentThread() == nullptr) {
-        new_processor_id = ideal_core;
-    }
-
-    ASSERT(*new_processor_id < 4);
-
-    // Add thread to new core's scheduler
-    auto& next_scheduler = system.Scheduler(*new_processor_id);
-
-    if (*new_processor_id != processor_id) {
-        // Remove thread from previous core's scheduler
-        scheduler->RemoveThread(this);
-        next_scheduler.AddThread(this);
-    }
-
-    processor_id = *new_processor_id;
-
-    // If the thread was ready, unschedule from the previous core and schedule on the new core
-    scheduler->UnscheduleThread(this, current_priority);
-    next_scheduler.ScheduleThread(this, current_priority);
-
-    // Change thread's scheduler
-    scheduler = &next_scheduler;
-
-    system.CpuCore(processor_id).PrepareReschedule();
+    SetCoreAndAffinityMask(core, mask);
 }
 
 bool Thread::AllWaitObjectsReady() const {
@@ -388,10 +354,8 @@ void Thread::SetActivity(ThreadActivity value) {
 
     if (value == ThreadActivity::Paused) {
         // Set status if not waiting
-        if (status == ThreadStatus::Ready) {
-            status = ThreadStatus::Paused;
-        } else if (status == ThreadStatus::Running) {
-            status = ThreadStatus::Paused;
+        if (status == ThreadStatus::Ready || status == ThreadStatus::Running) {
+            SetStatus(ThreadStatus::Paused);
             Core::System::GetInstance().CpuCore(processor_id).PrepareReschedule();
         }
     } else if (status == ThreadStatus::Paused) {
@@ -408,6 +372,170 @@ void Thread::Sleep(s64 nanoseconds) {
     WakeAfterDelay(nanoseconds);
 }
 
+bool Thread::YieldSimple() {
+    auto& scheduler = kernel.GlobalScheduler();
+    return scheduler.YieldThread(this);
+}
+
+bool Thread::YieldAndBalanceLoad() {
+    auto& scheduler = kernel.GlobalScheduler();
+    return scheduler.YieldThreadAndBalanceLoad(this);
+}
+
+bool Thread::YieldAndWaitForLoadBalancing() {
+    auto& scheduler = kernel.GlobalScheduler();
+    return scheduler.YieldThreadAndWaitForLoadBalancing(this);
+}
+
+void Thread::SetSchedulingStatus(ThreadSchedStatus new_status) {
+    const u32 old_flags = scheduling_state;
+    scheduling_state = (scheduling_state & static_cast<u32>(ThreadSchedMasks::HighMask)) |
+                       static_cast<u32>(new_status);
+    AdjustSchedulingOnStatus(old_flags);
+}
+
+void Thread::SetCurrentPriority(u32 new_priority) {
+    const u32 old_priority = std::exchange(current_priority, new_priority);
+    AdjustSchedulingOnPriority(old_priority);
+}
+
+ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
+    const auto HighestSetCore = [](u64 mask, u32 max_cores) {
+        for (s32 core = max_cores - 1; core >= 0; core--) {
+            if (((mask >> core) & 1) != 0) {
+                return core;
+            }
+        }
+        return -1;
+    };
+
+    const bool use_override = affinity_override_count != 0;
+    if (new_core == THREADPROCESSORID_DONT_UPDATE) {
+        new_core = use_override ? ideal_core_override : ideal_core;
+        if ((new_affinity_mask & (1ULL << new_core)) == 0) {
+            return ERR_INVALID_COMBINATION;
+        }
+    }
+    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);
+        ideal_core = new_core;
+        if (old_affinity_mask != new_affinity_mask) {
+            const s32 old_core = processor_id;
+            if (processor_id >= 0 && ((affinity_mask >> processor_id) & 1) == 0) {
+                if (ideal_core < 0) {
+                    processor_id = HighestSetCore(affinity_mask, GlobalScheduler::NUM_CPU_CORES);
+                } else {
+                    processor_id = ideal_core;
+                }
+            }
+            AdjustSchedulingOnAffinity(old_affinity_mask, old_core);
+        }
+    }
+    return RESULT_SUCCESS;
+}
+
+void Thread::AdjustSchedulingOnStatus(u32 old_flags) {
+    if (old_flags == scheduling_state) {
+        return;
+    }
+
+    auto& scheduler = kernel.GlobalScheduler();
+    if (static_cast<ThreadSchedStatus>(old_flags & static_cast<u32>(ThreadSchedMasks::LowMask)) ==
+        ThreadSchedStatus::Runnable) {
+        // In this case the thread was running, now it's pausing/exitting
+        if (processor_id >= 0) {
+            scheduler.Unschedule(current_priority, processor_id, this);
+        }
+
+        for (s32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+            if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
+                scheduler.Unsuggest(current_priority, static_cast<u32>(core), this);
+            }
+        }
+    } else if (GetSchedulingStatus() == ThreadSchedStatus::Runnable) {
+        // The thread is now set to running from being stopped
+        if (processor_id >= 0) {
+            scheduler.Schedule(current_priority, processor_id, this);
+        }
+
+        for (s32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+            if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
+                scheduler.Suggest(current_priority, static_cast<u32>(core), this);
+            }
+        }
+    }
+
+    scheduler.SetReselectionPending();
+}
+
+void Thread::AdjustSchedulingOnPriority(u32 old_priority) {
+    if (GetSchedulingStatus() != ThreadSchedStatus::Runnable) {
+        return;
+    }
+    auto& scheduler = Core::System::GetInstance().GlobalScheduler();
+    if (processor_id >= 0) {
+        scheduler.Unschedule(old_priority, processor_id, this);
+    }
+
+    for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+        if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
+            scheduler.Unsuggest(old_priority, core, this);
+        }
+    }
+
+    // Add thread to the new priority queues.
+    Thread* current_thread = GetCurrentThread();
+
+    if (processor_id >= 0) {
+        if (current_thread == this) {
+            scheduler.SchedulePrepend(current_priority, processor_id, this);
+        } else {
+            scheduler.Schedule(current_priority, processor_id, this);
+        }
+    }
+
+    for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+        if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
+            scheduler.Suggest(current_priority, core, this);
+        }
+    }
+
+    scheduler.SetReselectionPending();
+}
+
+void Thread::AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core) {
+    auto& scheduler = Core::System::GetInstance().GlobalScheduler();
+    if (GetSchedulingStatus() != ThreadSchedStatus::Runnable ||
+        current_priority >= THREADPRIO_COUNT) {
+        return;
+    }
+
+    for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+        if (((old_affinity_mask >> core) & 1) != 0) {
+            if (core == old_core) {
+                scheduler.Unschedule(current_priority, core, this);
+            } else {
+                scheduler.Unsuggest(current_priority, core, this);
+            }
+        }
+    }
+
+    for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+        if (((affinity_mask >> core) & 1) != 0) {
+            if (core == processor_id) {
+                scheduler.Schedule(current_priority, core, this);
+            } else {
+                scheduler.Suggest(current_priority, core, this);
+            }
+        }
+    }
+
+    scheduler.SetReselectionPending();
+}
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
 /**

src/core/hle/kernel/thread.h

@@ -75,6 +75,26 @@ enum class ThreadActivity : u32 {
     Paused = 1,
 };
 
+enum class ThreadSchedStatus : u32 {
+    None = 0,
+    Paused = 1,
+    Runnable = 2,
+    Exited = 3,
+};
+
+enum class ThreadSchedFlags : u32 {
+    ProcessPauseFlag = 1 << 4,
+    ThreadPauseFlag = 1 << 5,
+    ProcessDebugPauseFlag = 1 << 6,
+    KernelInitPauseFlag = 1 << 8,
+};
+
+enum class ThreadSchedMasks : u32 {
+    LowMask = 0x000f,
+    HighMask = 0xfff0,
+    ForcePauseMask = 0x0070,
+};
+
 class Thread final : public WaitObject {
 public:
     using MutexWaitingThreads = std::vector<SharedPtr<Thread>>;
@@ -278,6 +298,10 @@ public:
         return processor_id;
     }
 
+    void SetProcessorID(s32 new_core) {
+        processor_id = new_core;
+    }
+
     Process* GetOwnerProcess() {
         return owner_process;
     }
@@ -295,6 +319,9 @@ public:
     }
 
     void ClearWaitObjects() {
+        for (const auto& waiting_object : wait_objects) {
+            waiting_object->RemoveWaitingThread(this);
+        }
         wait_objects.clear();
     }
 
@@ -383,11 +410,47 @@ public:
     /// Sleeps this thread for the given amount of nanoseconds.
     void Sleep(s64 nanoseconds);
 
+    /// Yields this thread without rebalancing loads.
+    bool YieldSimple();
+
+    /// Yields this thread and does a load rebalancing.
+    bool YieldAndBalanceLoad();
+
+    /// Yields this thread and if the core is left idle, loads are rebalanced
+    bool YieldAndWaitForLoadBalancing();
+
+    void IncrementYieldCount() {
+        yield_count++;
+    }
+
+    u64 GetYieldCount() const {
+        return yield_count;
+    }
+
+    ThreadSchedStatus GetSchedulingStatus() const {
+        return static_cast<ThreadSchedStatus>(scheduling_state &
+                                              static_cast<u32>(ThreadSchedMasks::LowMask));
+    }
+
+    bool IsRunning() const {
+        return is_running;
+    }
+
+    void SetIsRunning(bool value) {
+        is_running = value;
+    }
+
 private:
     explicit Thread(KernelCore& kernel);
     ~Thread() override;
 
-    void ChangeScheduler();
+    void SetSchedulingStatus(ThreadSchedStatus new_status);
+    void SetCurrentPriority(u32 new_priority);
+    ResultCode SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask);
+
+    void AdjustSchedulingOnStatus(u32 old_flags);
+    void AdjustSchedulingOnPriority(u32 old_priority);
+    void AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core);
 
     Core::ARM_Interface::ThreadContext context{};
 
@@ -409,6 +472,8 @@ private:
 
     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
 
     s32 processor_id = 0;
 
@@ -453,6 +518,13 @@ private:
 
     ThreadActivity activity = ThreadActivity::Normal;
 
+    s32 ideal_core_override = -1;
+    u64 affinity_mask_override = 0x1;
+    u32 affinity_override_count = 0;
+
+    u32 scheduling_state = 0;
+    bool is_running = false;
+
     std::string name;
 };
 

src/core/hle/kernel/transfer_memory.cpp

@@ -23,6 +23,8 @@ SharedPtr<TransferMemory> TransferMemory::Create(KernelCore& kernel, VAddr base_
     transfer_memory->owner_permissions = permissions;
     transfer_memory->owner_process = kernel.CurrentProcess();
 
+    transfer_memory->MapMemory(base_address, size, permissions);
+
     return transfer_memory;
 }
 

src/core/hle/kernel/wait_object.cpp

@@ -6,6 +6,9 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
+#include "core/core.h"
+#include "core/core_cpu.h"
+#include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/object.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/thread.h"
@@ -48,17 +51,8 @@ SharedPtr<Thread> WaitObject::GetHighestPriorityReadyThread() const {
         if (ShouldWait(thread.get()))
             continue;
 
-        // A thread is ready to run if it's either in ThreadStatus::WaitSynch
-        // and the rest of the objects it is waiting on are ready.
-        bool ready_to_run = true;
-        if (thread_status == ThreadStatus::WaitSynch) {
-            ready_to_run = thread->AllWaitObjectsReady();
-        }
-
-        if (ready_to_run) {
-            candidate = thread.get();
-            candidate_priority = thread->GetPriority();
-        }
+        candidate = thread.get();
+        candidate_priority = thread->GetPriority();
     }
 
     return candidate;
@@ -82,9 +76,6 @@ void WaitObject::WakeupWaitingThread(SharedPtr<Thread> thread) {
 
     const std::size_t index = thread->GetWaitObjectIndex(this);
 
-    for (const auto& object : thread->GetWaitObjects()) {
-        object->RemoveWaitingThread(thread.get());
-    }
     thread->ClearWaitObjects();
 
     thread->CancelWakeupTimer();
@@ -95,6 +86,7 @@ void WaitObject::WakeupWaitingThread(SharedPtr<Thread> thread) {
     }
     if (resume) {
         thread->ResumeFromWait();
+        Core::System::GetInstance().PrepareReschedule(thread->GetProcessorID());
     }
 }
 

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

@@ -847,17 +847,16 @@ private:
     void PopInteractiveOutData(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_AM, "called");
 
-        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
-
         const auto storage = applet->GetBroker().PopInteractiveDataToGame();
         if (storage == nullptr) {
             LOG_ERROR(Service_AM,
                       "storage is a nullptr. There is no data in the current interactive channel");
-
+            IPC::ResponseBuilder rb{ctx, 2};
             rb.Push(ERR_NO_DATA_IN_CHANNEL);
             return;
         }
 
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
         rb.Push(RESULT_SUCCESS);
         rb.PushIpcInterface<IStorage>(std::move(*storage));
     }

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

@@ -27,9 +27,9 @@ AppletDataBroker::AppletDataBroker(Kernel::KernelCore& kernel) {
     state_changed_event = Kernel::WritableEvent::CreateEventPair(
         kernel, Kernel::ResetType::Manual, "ILibraryAppletAccessor:StateChangedEvent");
     pop_out_data_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::Manual, "ILibraryAppletAccessor:PopDataOutEvent");
+        kernel, Kernel::ResetType::Automatic, "ILibraryAppletAccessor:PopDataOutEvent");
     pop_interactive_out_data_event = Kernel::WritableEvent::CreateEventPair(
-        kernel, Kernel::ResetType::Manual, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
+        kernel, Kernel::ResetType::Automatic, "ILibraryAppletAccessor:PopInteractiveDataOutEvent");
 }
 
 AppletDataBroker::~AppletDataBroker() = default;

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

@@ -91,6 +91,7 @@ void SoftwareKeyboard::ExecuteInteractive() {
 
     if (status == INTERACTIVE_STATUS_OK) {
         complete = true;
+        broker.SignalStateChanged();
     } else {
         std::array<char16_t, SWKBD_OUTPUT_INTERACTIVE_BUFFER_SIZE / 2 - 2> string;
         std::memcpy(string.data(), data.data() + 4, string.size() * 2);

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

@@ -40,7 +40,10 @@ static FileSys::VirtualDir GetDirectoryRelativeWrapped(FileSys::VirtualDir base,
     if (dir_name.empty() || dir_name == "." || dir_name == "/" || dir_name == "\\")
         return base;
 
-    return base->GetDirectoryRelative(dir_name);
+    const auto res = base->GetDirectoryRelative(dir_name);
+    if (res == nullptr)
+        return base->CreateDirectoryRelative(dir_name);
+    return res;
 }
 
 VfsDirectoryServiceWrapper::VfsDirectoryServiceWrapper(FileSys::VirtualDir backing_)

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

@@ -203,13 +203,13 @@ Hid::Hid(Core::System& system) : ServiceFramework("hid"), system(system) {
         {120, &Hid::SetNpadJoyHoldType, "SetNpadJoyHoldType"},
         {121, &Hid::GetNpadJoyHoldType, "GetNpadJoyHoldType"},
         {122, &Hid::SetNpadJoyAssignmentModeSingleByDefault, "SetNpadJoyAssignmentModeSingleByDefault"},
-        {123, nullptr, "SetNpadJoyAssignmentModeSingleByDefault"},
+        {123, &Hid::SetNpadJoyAssignmentModeSingle, "SetNpadJoyAssignmentModeSingle"},
         {124, &Hid::SetNpadJoyAssignmentModeDual, "SetNpadJoyAssignmentModeDual"},
         {125, &Hid::MergeSingleJoyAsDualJoy, "MergeSingleJoyAsDualJoy"},
         {126, &Hid::StartLrAssignmentMode, "StartLrAssignmentMode"},
         {127, &Hid::StopLrAssignmentMode, "StopLrAssignmentMode"},
         {128, &Hid::SetNpadHandheldActivationMode, "SetNpadHandheldActivationMode"},
-        {129, nullptr, "GetNpadHandheldActivationMode"},
+        {129, &Hid::GetNpadHandheldActivationMode, "GetNpadHandheldActivationMode"},
         {130, &Hid::SwapNpadAssignment, "SwapNpadAssignment"},
         {131, nullptr, "IsUnintendedHomeButtonInputProtectionEnabled"},
         {132, nullptr, "EnableUnintendedHomeButtonInputProtection"},
@@ -557,10 +557,126 @@ void Hid::SetNpadJoyAssignmentModeSingleByDefault(Kernel::HLERequestContext& ctx
     LOG_WARNING(Service_HID, "(STUBBED) called, npad_id={}, applet_resource_user_id={}", npad_id,
                 applet_resource_user_id);
 
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.SetNpadMode(npad_id, Controller_NPad::NPadAssignments::Single);
+
     IPC::ResponseBuilder rb{ctx, 2};
     rb.Push(RESULT_SUCCESS);
 }
 
+void Hid::SetNpadJoyAssignmentModeSingle(Kernel::HLERequestContext& ctx) {
+    // TODO: Check the differences between this and SetNpadJoyAssignmentModeSingleByDefault
+    IPC::RequestParser rp{ctx};
+    const auto npad_id{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+    const auto npad_joy_device_type{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID,
+                "(STUBBED) called, npad_id={}, applet_resource_user_id={}, npad_joy_device_type={}",
+                npad_id, applet_resource_user_id, npad_joy_device_type);
+
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.SetNpadMode(npad_id, Controller_NPad::NPadAssignments::Single);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_id{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, npad_id={}, applet_resource_user_id={}", npad_id,
+              applet_resource_user_id);
+
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.SetNpadMode(npad_id, Controller_NPad::NPadAssignments::Dual);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto unknown_1{rp.Pop<u32>()};
+    const auto unknown_2{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID,
+                "(STUBBED) called, unknown_1={}, unknown_2={}, applet_resource_user_id={}",
+                unknown_1, unknown_2, applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::StartLrAssignmentMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.StartLRAssignmentMode();
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::StopLrAssignmentMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    controller.StopLRAssignmentMode();
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+    const auto mode{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}, mode={}",
+                applet_resource_user_id, mode);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::GetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}",
+                applet_resource_user_id);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(RESULT_SUCCESS);
+}
+
+void Hid::SwapNpadAssignment(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto npad_1{rp.Pop<u32>()};
+    const auto npad_2{rp.Pop<u32>()};
+    const auto applet_resource_user_id{rp.Pop<u64>()};
+
+    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}, npad_1={}, npad_2={}",
+              applet_resource_user_id, npad_1, npad_2);
+
+    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
+    IPC::ResponseBuilder rb{ctx, 2};
+    if (controller.SwapNpadAssignment(npad_1, npad_2)) {
+        rb.Push(RESULT_SUCCESS);
+    } else {
+        LOG_ERROR(Service_HID, "Npads are not connected!");
+        rb.Push(ERR_NPAD_NOT_CONNECTED);
+    }
+}
+
 void Hid::BeginPermitVibrationSession(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto applet_resource_user_id{rp.Pop<u64>()};
@@ -635,47 +751,6 @@ void Hid::GetActualVibrationValue(Kernel::HLERequestContext& ctx) {
         applet_resource->GetController<Controller_NPad>(HidController::NPad).GetLastVibration());
 }
 
-void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto npad_id{rp.Pop<u32>()};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_DEBUG(Service_HID, "called, npad_id={}, applet_resource_user_id={}", npad_id,
-              applet_resource_user_id);
-
-    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
-    controller.SetNpadMode(npad_id, Controller_NPad::NPadAssignments::Dual);
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void Hid::MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto unknown_1{rp.Pop<u32>()};
-    const auto unknown_2{rp.Pop<u32>()};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_WARNING(Service_HID,
-                "(STUBBED) called, unknown_1={}, unknown_2={}, applet_resource_user_id={}",
-                unknown_1, unknown_2, applet_resource_user_id);
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void Hid::SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-    const auto mode{rp.Pop<u64>()};
-
-    LOG_WARNING(Service_HID, "(STUBBED) called, applet_resource_user_id={}, mode={}",
-                applet_resource_user_id, mode);
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
 void Hid::GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_HID, "called");
 
@@ -769,49 +844,6 @@ void Hid::SetPalmaBoostMode(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
-void Hid::StartLrAssignmentMode(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
-    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
-    controller.StartLRAssignmentMode();
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void Hid::StopLrAssignmentMode(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
-    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
-    controller.StopLRAssignmentMode();
-
-    IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(RESULT_SUCCESS);
-}
-
-void Hid::SwapNpadAssignment(Kernel::HLERequestContext& ctx) {
-    IPC::RequestParser rp{ctx};
-    const auto npad_1{rp.Pop<u32>()};
-    const auto npad_2{rp.Pop<u32>()};
-    const auto applet_resource_user_id{rp.Pop<u64>()};
-
-    LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}, npad_1={}, npad_2={}",
-              applet_resource_user_id, npad_1, npad_2);
-
-    auto& controller = applet_resource->GetController<Controller_NPad>(HidController::NPad);
-    IPC::ResponseBuilder rb{ctx, 2};
-    if (controller.SwapNpadAssignment(npad_1, npad_2)) {
-        rb.Push(RESULT_SUCCESS);
-    } else {
-        LOG_ERROR(Service_HID, "Npads are not connected!");
-        rb.Push(ERR_NPAD_NOT_CONNECTED);
-    }
-}
-
 class HidDbg final : public ServiceFramework<HidDbg> {
 public:
     explicit HidDbg() : ServiceFramework{"hid:dbg"} {

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

@@ -106,14 +106,19 @@ private:
     void SetNpadJoyHoldType(Kernel::HLERequestContext& ctx);
     void GetNpadJoyHoldType(Kernel::HLERequestContext& ctx);
     void SetNpadJoyAssignmentModeSingleByDefault(Kernel::HLERequestContext& ctx);
+    void SetNpadJoyAssignmentModeSingle(Kernel::HLERequestContext& ctx);
+    void SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx);
+    void MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx);
+    void StartLrAssignmentMode(Kernel::HLERequestContext& ctx);
+    void StopLrAssignmentMode(Kernel::HLERequestContext& ctx);
+    void SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx);
+    void GetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx);
+    void SwapNpadAssignment(Kernel::HLERequestContext& ctx);
     void BeginPermitVibrationSession(Kernel::HLERequestContext& ctx);
     void EndPermitVibrationSession(Kernel::HLERequestContext& ctx);
     void SendVibrationValue(Kernel::HLERequestContext& ctx);
     void SendVibrationValues(Kernel::HLERequestContext& ctx);
     void GetActualVibrationValue(Kernel::HLERequestContext& ctx);
-    void SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx);
-    void MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx);
-    void SetNpadHandheldActivationMode(Kernel::HLERequestContext& ctx);
     void GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx);
     void CreateActiveVibrationDeviceList(Kernel::HLERequestContext& ctx);
     void PermitVibration(Kernel::HLERequestContext& ctx);
@@ -123,9 +128,6 @@ private:
     void StopSixAxisSensor(Kernel::HLERequestContext& ctx);
     void SetIsPalmaAllConnectable(Kernel::HLERequestContext& ctx);
     void SetPalmaBoostMode(Kernel::HLERequestContext& ctx);
-    void StartLrAssignmentMode(Kernel::HLERequestContext& ctx);
-    void StopLrAssignmentMode(Kernel::HLERequestContext& ctx);
-    void SwapNpadAssignment(Kernel::HLERequestContext& ctx);
 
     std::shared_ptr<IAppletResource> applet_resource;
     Core::System& system;

src/core/hle/service/lbl/lbl.cpp

@@ -10,6 +10,8 @@
 #include "core/hle/service/lbl/lbl.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
+#include "core/settings.h"
+#include "video_core/renderer_base.h"
 
 namespace Service::LBL {
 
@@ -18,21 +20,21 @@ public:
     explicit LBL() : ServiceFramework{"lbl"} {
         // clang-format off
         static const FunctionInfo functions[] = {
-            {0, nullptr, "SaveCurrentSetting"},
-            {1, nullptr, "LoadCurrentSetting"},
-            {2, nullptr, "SetCurrentBrightnessSetting"},
-            {3, nullptr, "GetCurrentBrightnessSetting"},
-            {4, nullptr, "ApplyCurrentBrightnessSettingToBacklight"},
-            {5, nullptr, "GetBrightnessSettingAppliedToBacklight"},
-            {6, nullptr, "SwitchBacklightOn"},
-            {7, nullptr, "SwitchBacklightOff"},
-            {8, nullptr, "GetBacklightSwitchStatus"},
-            {9, nullptr, "EnableDimming"},
-            {10, nullptr, "DisableDimming"},
-            {11, nullptr, "IsDimmingEnabled"},
-            {12, nullptr, "EnableAutoBrightnessControl"},
-            {13, nullptr, "DisableAutoBrightnessControl"},
-            {14, nullptr, "IsAutoBrightnessControlEnabled"},
+            {0, &LBL::SaveCurrentSetting, "SaveCurrentSetting"},
+            {1, &LBL::LoadCurrentSetting, "LoadCurrentSetting"},
+            {2, &LBL::SetCurrentBrightnessSetting, "SetCurrentBrightnessSetting"},
+            {3, &LBL::GetCurrentBrightnessSetting, "GetCurrentBrightnessSetting"},
+            {4, &LBL::ApplyCurrentBrightnessSettingToBacklight, "ApplyCurrentBrightnessSettingToBacklight"},
+            {5, &LBL::GetBrightnessSettingAppliedToBacklight, "GetBrightnessSettingAppliedToBacklight"},
+            {6, &LBL::SwitchBacklightOn, "SwitchBacklightOn"},
+            {7, &LBL::SwitchBacklightOff, "SwitchBacklightOff"},
+            {8, &LBL::GetBacklightSwitchStatus, "GetBacklightSwitchStatus"},
+            {9, &LBL::EnableDimming, "EnableDimming"},
+            {10, &LBL::DisableDimming, "DisableDimming"},
+            {11, &LBL::IsDimmingEnabled, "IsDimmingEnabled"},
+            {12, &LBL::EnableAutoBrightnessControl, "EnableAutoBrightnessControl"},
+            {13, &LBL::DisableAutoBrightnessControl, "DisableAutoBrightnessControl"},
+            {14, &LBL::IsAutoBrightnessControlEnabled, "IsAutoBrightnessControlEnabled"},
             {15, nullptr, "SetAmbientLightSensorValue"},
             {16, nullptr, "GetAmbientLightSensorValue"},
             {17, nullptr, "SetBrightnessReflectionDelayLevel"},
@@ -42,8 +44,8 @@ public:
             {21, nullptr, "SetCurrentAmbientLightSensorMapping"},
             {22, nullptr, "GetCurrentAmbientLightSensorMapping"},
             {23, nullptr, "IsAmbientLightSensorAvailable"},
-            {24, nullptr, "SetCurrentBrightnessSettingForVrMode"},
-            {25, nullptr, "GetCurrentBrightnessSettingForVrMode"},
+            {24, &LBL::SetCurrentBrightnessSettingForVrMode, "SetCurrentBrightnessSettingForVrMode"},
+            {25, &LBL::GetCurrentBrightnessSettingForVrMode, "GetCurrentBrightnessSettingForVrMode"},
             {26, &LBL::EnableVrMode, "EnableVrMode"},
             {27, &LBL::DisableVrMode, "DisableVrMode"},
             {28, &LBL::IsVrModeEnabled, "IsVrModeEnabled"},
@@ -53,13 +55,209 @@ public:
         RegisterHandlers(functions);
     }
 
+    void LoadFromSettings() {
+        current_brightness = Settings::values.backlight_brightness;
+        current_vr_mode_brightness = Settings::values.backlight_brightness;
+
+        if (auto_brightness_enabled) {
+            return;
+        }
+
+        if (vr_mode_enabled) {
+            Renderer().SetCurrentBrightness(current_vr_mode_brightness);
+        } else {
+            Renderer().SetCurrentBrightness(current_brightness);
+        }
+    }
+
 private:
+    f32 GetAutoBrightnessValue() const {
+        return 0.5f;
+    }
+
+    VideoCore::RendererBase& Renderer() {
+        return Core::System::GetInstance().Renderer();
+    }
+
+    void SaveCurrentSetting(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        Settings::values.backlight_brightness = current_brightness;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void LoadCurrentSetting(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        LoadFromSettings();
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void SetCurrentBrightnessSetting(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto value = rp.PopRaw<f32>();
+
+        LOG_DEBUG(Service_LBL, "called, value={:.3f}", value);
+
+        current_brightness = std::clamp(value, 0.0f, 1.0f);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetCurrentBrightnessSetting(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(current_brightness);
+    }
+
+    void ApplyCurrentBrightnessSettingToBacklight(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        if (!auto_brightness_enabled) {
+            Renderer().SetCurrentBrightness(vr_mode_enabled ? current_vr_mode_brightness
+                                                            : current_brightness);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetBrightnessSettingAppliedToBacklight(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(Renderer().GetCurrentResultantBrightness());
+    }
+
+    void SwitchBacklightOn(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto fade_time = rp.PopRaw<u64>();
+
+        LOG_DEBUG(Service_LBL, "called, fade_time={:016X}", fade_time);
+
+        Renderer().SetBacklightStatus(true, fade_time);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void SwitchBacklightOff(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto fade_time = rp.PopRaw<u64>();
+
+        LOG_DEBUG(Service_LBL, "called, fade_time={:016X}", fade_time);
+
+        Renderer().SetBacklightStatus(false, fade_time);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetBacklightSwitchStatus(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u8>(Renderer().GetBacklightStatus());
+    }
+
+    void EnableDimming(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        dimming_enabled = true;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void DisableDimming(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "callled");
+
+        dimming_enabled = false;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void IsDimmingEnabled(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u8>(dimming_enabled);
+    }
+
+    void EnableAutoBrightnessControl(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        auto_brightness_enabled = true;
+        Renderer().SetCurrentBrightness(GetAutoBrightnessValue());
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void DisableAutoBrightnessControl(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        auto_brightness_enabled = false;
+        Renderer().SetCurrentBrightness(current_brightness);
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void IsAutoBrightnessControlEnabled(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push<u8>(auto_brightness_enabled);
+    }
+
+    void SetCurrentBrightnessSettingForVrMode(Kernel::HLERequestContext& ctx) {
+        IPC::RequestParser rp{ctx};
+        const auto value = rp.PopRaw<f32>();
+
+        LOG_DEBUG(Service_LBL, "called, value={:.3f}", value);
+
+        current_vr_mode_brightness = std::clamp(value, 0.0f, 1.0f);
+
+        if (vr_mode_enabled && !auto_brightness_enabled) {
+            Renderer().SetCurrentBrightness(value);
+        }
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void GetCurrentBrightnessSettingForVrMode(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_LBL, "called");
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.Push(current_vr_mode_brightness);
+    }
+
     void EnableVrMode(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_LBL, "called");
 
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
 
+        if (!vr_mode_enabled && !auto_brightness_enabled &&
+            current_brightness != current_vr_mode_brightness) {
+            Renderer().SetCurrentBrightness(current_vr_mode_brightness);
+        }
+
         vr_mode_enabled = true;
     }
 
@@ -69,6 +267,11 @@ private:
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
 
+        if (vr_mode_enabled && !auto_brightness_enabled &&
+            current_brightness != current_vr_mode_brightness) {
+            Renderer().SetCurrentBrightness(current_brightness);
+        }
+
         vr_mode_enabled = false;
     }
 
@@ -80,9 +283,27 @@ private:
         rb.Push(vr_mode_enabled);
     }
 
+    bool auto_brightness_enabled = false;
+    bool dimming_enabled = true;
+
+    f32 current_brightness = GetAutoBrightnessValue();
+    f32 current_vr_mode_brightness = GetAutoBrightnessValue();
+
     bool vr_mode_enabled = false;
 };
 
+void RequestLoadCurrentSetting(SM::ServiceManager& sm) {
+    if (&sm == nullptr) {
+        return;
+    }
+
+    const auto lbl = sm.GetService<LBL>("lbl");
+
+    if (lbl) {
+        lbl->LoadFromSettings();
+    }
+}
+
 void InstallInterfaces(SM::ServiceManager& sm) {
     std::make_shared<LBL>()->InstallAsService(sm);
 }

src/core/hle/service/lbl/lbl.h

@@ -10,6 +10,9 @@ class ServiceManager;
 
 namespace Service::LBL {
 
+// Requests the LBL service passed to load brightness values from Settings
+void RequestLoadCurrentSetting(SM::ServiceManager& sm);
+
 void InstallInterfaces(SM::ServiceManager& sm);
 
 } // namespace Service::LBL

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

@@ -9,6 +9,7 @@
 #include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/service.h"
+#include "core/settings.h"
 
 namespace Service::NIFM {
 
@@ -88,7 +89,12 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
-        rb.PushEnum(RequestState::Connected);
+
+        if (Settings::values.bcat_backend == "none") {
+            rb.PushEnum(RequestState::NotSubmitted);
+        } else {
+            rb.PushEnum(RequestState::Connected);
+        }
     }
 
     void GetResult(Kernel::HLERequestContext& ctx) {
@@ -196,14 +202,22 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
-        rb.Push<u8>(1);
+        if (Settings::values.bcat_backend == "none") {
+            rb.Push<u8>(0);
+        } else {
+            rb.Push<u8>(1);
+        }
     }
     void IsAnyInternetRequestAccepted(Kernel::HLERequestContext& ctx) {
         LOG_WARNING(Service_NIFM, "(STUBBED) called");
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
-        rb.Push<u8>(1);
+        if (Settings::values.bcat_backend == "none") {
+            rb.Push<u8>(0);
+        } else {
+            rb.Push<u8>(1);
+        }
     }
     Core::System& system;
 };

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

@@ -6,13 +6,6 @@
 #include <cstring>
 #include <vector>
 
-#include <FontChineseSimplified.h>
-#include <FontChineseTraditional.h>
-#include <FontExtendedChineseSimplified.h>
-#include <FontKorean.h>
-#include <FontNintendoExtended.h>
-#include <FontStandard.h>
-
 #include "common/assert.h"
 #include "common/common_paths.h"
 #include "common/common_types.h"
@@ -24,7 +17,9 @@
 #include "core/file_sys/nca_metadata.h"
 #include "core/file_sys/registered_cache.h"
 #include "core/file_sys/romfs.h"
+#include "core/file_sys/system_archive/system_archive.h"
 #include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/physical_memory.h"
 #include "core/hle/kernel/shared_memory.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/ns/pl_u.h"
@@ -94,15 +89,20 @@ static void DecryptSharedFont(const std::vector<u32>& input, Kernel::PhysicalMem
     offset += transformed_font.size() * sizeof(u32);
 }
 
-static void EncryptSharedFont(const std::vector<u8>& input, Kernel::PhysicalMemory& output,
-                              std::size_t& offset) {
-    ASSERT_MSG(offset + input.size() + 8 < SHARED_FONT_MEM_SIZE, "Shared fonts exceeds 17mb!");
-    const u32 KEY = EXPECTED_MAGIC ^ EXPECTED_RESULT;
-    std::memcpy(output.data() + offset, &EXPECTED_RESULT, sizeof(u32)); // Magic header
-    const u32 ENC_SIZE = static_cast<u32>(input.size()) ^ KEY;
-    std::memcpy(output.data() + offset + sizeof(u32), &ENC_SIZE, sizeof(u32));
-    std::memcpy(output.data() + offset + (sizeof(u32) * 2), input.data(), input.size());
-    offset += input.size() + (sizeof(u32) * 2);
+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,
+               "Shared fonts exceeds 17mb!");
+
+    const auto key = Common::swap32(EXPECTED_RESULT ^ EXPECTED_MAGIC);
+    std::vector<u32> transformed_font(input.size() + 2);
+    transformed_font[0] = Common::swap32(EXPECTED_MAGIC);
+    transformed_font[1] = Common::swap32(input.size() * sizeof(u32)) ^ key;
+    std::transform(input.begin(), input.end(), transformed_font.begin() + 2,
+                   [key](u32 in) { return in ^ key; });
+    std::memcpy(output.data() + offset, transformed_font.data(),
+                transformed_font.size() * sizeof(u32));
+    offset += transformed_font.size() * sizeof(u32);
 }
 
 // Helper function to make BuildSharedFontsRawRegions a bit nicer
@@ -168,114 +168,49 @@ PL_U::PL_U(Core::System& system)
     // Attempt to load shared font data from disk
     const auto* nand = fsc.GetSystemNANDContents();
     std::size_t offset = 0;
-    // Rebuild shared fonts from data ncas
-    if (nand->HasEntry(static_cast<u64>(FontArchives::Standard),
-                       FileSys::ContentRecordType::Data)) {
-        impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(SHARED_FONT_MEM_SIZE);
-        for (auto font : SHARED_FONTS) {
-            const auto nca =
-                nand->GetEntry(static_cast<u64>(font.first), FileSys::ContentRecordType::Data);
-            if (!nca) {
-                LOG_ERROR(Service_NS, "Failed to find {:016X}! Skipping",
-                          static_cast<u64>(font.first));
-                continue;
-            }
-            const auto romfs = nca->GetRomFS();
-            if (!romfs) {
-                LOG_ERROR(Service_NS, "{:016X} has no RomFS! Skipping",
-                          static_cast<u64>(font.first));
-                continue;
-            }
-            const auto extracted_romfs = FileSys::ExtractRomFS(romfs);
-            if (!extracted_romfs) {
-                LOG_ERROR(Service_NS, "Failed to extract RomFS for {:016X}! Skipping",
-                          static_cast<u64>(font.first));
-                continue;
-            }
-            const auto font_fp = extracted_romfs->GetFile(font.second);
-            if (!font_fp) {
-                LOG_ERROR(Service_NS, "{:016X} has no file \"{}\"! Skipping",
-                          static_cast<u64>(font.first), font.second);
-                continue;
-            }
-            std::vector<u32> font_data_u32(font_fp->GetSize() / sizeof(u32));
-            font_fp->ReadBytes<u32>(font_data_u32.data(), font_fp->GetSize());
-            // We need to be BigEndian as u32s for the xor encryption
-            std::transform(font_data_u32.begin(), font_data_u32.end(), font_data_u32.begin(),
-                           Common::swap32);
-            FontRegion region{
-                static_cast<u32>(offset + 8),
-                static_cast<u32>((font_data_u32.size() * sizeof(u32)) -
-                                 8)}; // Font offset and size do not account for the header
-            DecryptSharedFont(font_data_u32, *impl->shared_font, offset);
-            impl->shared_font_regions.push_back(region);
+    // Rebuild shared fonts from data ncas or synthesize
+
+    impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(SHARED_FONT_MEM_SIZE);
+    for (auto font : SHARED_FONTS) {
+        FileSys::VirtualFile romfs;
+        const auto nca =
+            nand->GetEntry(static_cast<u64>(font.first), FileSys::ContentRecordType::Data);
+        if (nca) {
+            romfs = nca->GetRomFS();
         }
 
-    } else {
-        impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(
-            SHARED_FONT_MEM_SIZE); // Shared memory needs to always be allocated and a fixed size
-
-        const std::string user_path = FileUtil::GetUserPath(FileUtil::UserPath::SysDataDir);
-        const std::string filepath{user_path + SHARED_FONT};
-
-        // Create path if not already created
-        if (!FileUtil::CreateFullPath(filepath)) {
-            LOG_ERROR(Service_NS, "Failed to create sharedfonts path \"{}\"!", filepath);
-            return;
+        if (!romfs) {
+            romfs = FileSys::SystemArchive::SynthesizeSystemArchive(static_cast<u64>(font.first));
         }
 
-        bool using_ttf = false;
-        for (const char* font_ttf : SHARED_FONTS_TTF) {
-            if (FileUtil::Exists(user_path + font_ttf)) {
-                using_ttf = true;
-                FileUtil::IOFile file(user_path + font_ttf, "rb");
-                if (file.IsOpen()) {
-                    std::vector<u8> ttf_bytes(file.GetSize());
-                    file.ReadBytes<u8>(ttf_bytes.data(), ttf_bytes.size());
-                    FontRegion region{
-                        static_cast<u32>(offset + 8),
-                        static_cast<u32>(ttf_bytes.size())}; // Font offset and size do not account
-                                                             // for the header
-                    EncryptSharedFont(ttf_bytes, *impl->shared_font, offset);
-                    impl->shared_font_regions.push_back(region);
-                } else {
-                    LOG_WARNING(Service_NS, "Unable to load font: {}", font_ttf);
-                }
-            } else if (using_ttf) {
-                LOG_WARNING(Service_NS, "Unable to find font: {}", font_ttf);
-            }
+        if (!romfs) {
+            LOG_ERROR(Service_NS, "Failed to find or synthesize {:016X}! Skipping",
+                      static_cast<u64>(font.first));
+            continue;
         }
-        if (using_ttf)
-            return;
-        FileUtil::IOFile file(filepath, "rb");
 
-        if (file.IsOpen()) {
-            // Read shared font data
-            ASSERT(file.GetSize() == SHARED_FONT_MEM_SIZE);
-            file.ReadBytes(impl->shared_font->data(), impl->shared_font->size());
-            impl->BuildSharedFontsRawRegions(*impl->shared_font);
-        } else {
-            LOG_WARNING(Service_NS,
-                        "Shared Font file missing. Loading open source replacement from memory");
-
-            // clang-format off
-            const std::vector<std::vector<u8>> open_source_shared_fonts_ttf = {
-                {std::begin(FontChineseSimplified), std::end(FontChineseSimplified)},
-                {std::begin(FontChineseTraditional), std::end(FontChineseTraditional)},
-                {std::begin(FontExtendedChineseSimplified), std::end(FontExtendedChineseSimplified)},
-                {std::begin(FontKorean), std::end(FontKorean)},
-                {std::begin(FontNintendoExtended), std::end(FontNintendoExtended)},
-                {std::begin(FontStandard), std::end(FontStandard)},
-            };
-            // clang-format on
-
-            for (const std::vector<u8>& font_ttf : open_source_shared_fonts_ttf) {
-                const FontRegion region{static_cast<u32>(offset + 8),
-                                        static_cast<u32>(font_ttf.size())};
-                EncryptSharedFont(font_ttf, *impl->shared_font, offset);
-                impl->shared_font_regions.push_back(region);
-            }
+        const auto extracted_romfs = FileSys::ExtractRomFS(romfs);
+        if (!extracted_romfs) {
+            LOG_ERROR(Service_NS, "Failed to extract RomFS for {:016X}! Skipping",
+                      static_cast<u64>(font.first));
+            continue;
         }
+        const auto font_fp = extracted_romfs->GetFile(font.second);
+        if (!font_fp) {
+            LOG_ERROR(Service_NS, "{:016X} has no file \"{}\"! Skipping",
+                      static_cast<u64>(font.first), font.second);
+            continue;
+        }
+        std::vector<u32> font_data_u32(font_fp->GetSize() / sizeof(u32));
+        font_fp->ReadBytes<u32>(font_data_u32.data(), font_fp->GetSize());
+        // We need to be BigEndian as u32s for the xor encryption
+        std::transform(font_data_u32.begin(), font_data_u32.end(), font_data_u32.begin(),
+                       Common::swap32);
+        // Font offset and size do not account for the header
+        const FontRegion region{static_cast<u32>(offset + 8),
+                                static_cast<u32>((font_data_u32.size() * sizeof(u32)) - 8)};
+        DecryptSharedFont(font_data_u32, *impl->shared_font, offset);
+        impl->shared_font_regions.push_back(region);
     }
 }
 

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

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <memory>
+#include <vector>
 #include "core/hle/service/service.h"
 
 namespace Service {
@@ -15,6 +16,8 @@ class FileSystemController;
 
 namespace NS {
 
+void EncryptSharedFont(const std::vector<u32>& input, std::vector<u8>& output, std::size_t& offset);
+
 class PL_U final : public ServiceFramework<PL_U> {
 public:
     explicit PL_U(Core::System& system);

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

@@ -5,6 +5,7 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
+#include "core/core_timing.h"
 #include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
 #include "core/hle/service/nvdrv/devices/nvmap.h"
 #include "core/perf_stats.h"
@@ -38,7 +39,10 @@ void nvdisp_disp0::flip(u32 buffer_handle, u32 offset, u32 format, u32 width, u3
         transform, crop_rect};
 
     system.GetPerfStats().EndGameFrame();
+    system.GetPerfStats().EndSystemFrame();
     system.GPU().SwapBuffers(&framebuffer);
+    system.FrameLimiter().DoFrameLimiting(system.CoreTiming().GetGlobalTimeUs());
+    system.GetPerfStats().BeginSystemFrame();
 }
 
 } // namespace Service::Nvidia::Devices

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

@@ -63,16 +63,26 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
         return NvResult::BadParameter;
     }
 
+    u32 event_id = params.value & 0x00FF;
+
+    if (event_id >= MaxNvEvents) {
+        std::memcpy(output.data(), &params, sizeof(params));
+        return NvResult::BadParameter;
+    }
+
+    auto event = events_interface.events[event_id];
     auto& gpu = system.GPU();
     // This is mostly to take into account unimplemented features. As synced
     // gpu is always synced.
     if (!gpu.IsAsync()) {
+        event.writable->Signal();
         return NvResult::Success;
     }
     auto lock = gpu.LockSync();
     const u32 current_syncpoint_value = gpu.GetSyncpointValue(params.syncpt_id);
     const s32 diff = current_syncpoint_value - params.threshold;
     if (diff >= 0) {
+        event.writable->Signal();
         params.value = current_syncpoint_value;
         std::memcpy(output.data(), &params, sizeof(params));
         return NvResult::Success;
@@ -88,27 +98,6 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
         return NvResult::Timeout;
     }
 
-    u32 event_id;
-    if (is_async) {
-        event_id = params.value & 0x00FF;
-        if (event_id >= MaxNvEvents) {
-            std::memcpy(output.data(), &params, sizeof(params));
-            return NvResult::BadParameter;
-        }
-    } else {
-        if (ctrl.fresh_call) {
-            const auto result = events_interface.GetFreeEvent();
-            if (result) {
-                event_id = *result;
-            } else {
-                LOG_CRITICAL(Service_NVDRV, "No Free Events available!");
-                event_id = params.value & 0x00FF;
-            }
-        } else {
-            event_id = ctrl.event_id;
-        }
-    }
-
     EventState status = events_interface.status[event_id];
     if (event_id < MaxNvEvents || status == EventState::Free || status == EventState::Registered) {
         events_interface.SetEventStatus(event_id, EventState::Waiting);
@@ -120,7 +109,7 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
             params.value = ((params.syncpt_id & 0xfff) << 16) | 0x10000000;
         }
         params.value |= event_id;
-        events_interface.events[event_id].writable->Clear();
+        event.writable->Clear();
         gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value);
         if (!is_async && ctrl.fresh_call) {
             ctrl.must_delay = true;

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

@@ -22,6 +22,18 @@ u32 nvhost_nvdec::ioctl(Ioctl command, const std::vector<u8>& input, const std::
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocSetNVMAPfdCommand:
         return SetNVMAPfd(input, output);
+    case IoctlCommand::IocSubmit:
+        return Submit(input, output);
+    case IoctlCommand::IocGetSyncpoint:
+        return GetSyncpoint(input, output);
+    case IoctlCommand::IocGetWaitbase:
+        return GetWaitbase(input, output);
+    case IoctlCommand::IocMapBuffer:
+        return MapBuffer(input, output);
+    case IoctlCommand::IocMapBufferEx:
+        return MapBufferEx(input, output);
+    case IoctlCommand::IocUnmapBufferEx:
+        return UnmapBufferEx(input, output);
     }
 
     UNIMPLEMENTED_MSG("Unimplemented ioctl");
@@ -30,11 +42,67 @@ u32 nvhost_nvdec::ioctl(Ioctl command, const std::vector<u8>& input, const std::
 
 u32 nvhost_nvdec::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetNvmapFD params{};
-    std::memcpy(&params, input.data(), input.size());
+    std::memcpy(&params, input.data(), sizeof(IoctlSetNvmapFD));
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
 
     nvmap_fd = params.nvmap_fd;
     return 0;
 }
 
+u32 nvhost_nvdec::Submit(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlSubmit params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlSubmit));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlSubmit));
+    return 0;
+}
+
+u32 nvhost_nvdec::GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetSyncpoint params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetSyncpoint));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetSyncpoint));
+    return 0;
+}
+
+u32 nvhost_nvdec::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetWaitbase params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetWaitbase));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetWaitbase));
+    return 0;
+}
+
+u32 nvhost_nvdec::MapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBuffer params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBuffer));
+    return 0;
+}
+
+u32 nvhost_nvdec::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBufferEx));
+    return 0;
+}
+
+u32 nvhost_nvdec::UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlUnmapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlUnmapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlUnmapBufferEx));
+    return 0;
+}
+
 } // namespace Service::Nvidia::Devices

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

@@ -23,16 +23,66 @@ public:
 private:
     enum class IoctlCommand : u32_le {
         IocSetNVMAPfdCommand = 0x40044801,
+        IocSubmit = 0xC0400001,
+        IocGetSyncpoint = 0xC0080002,
+        IocGetWaitbase = 0xC0080003,
+        IocMapBuffer = 0xC01C0009,
+        IocMapBufferEx = 0xC0A40009,
+        IocUnmapBufferEx = 0xC0A4000A,
     };
 
     struct IoctlSetNvmapFD {
         u32_le nvmap_fd;
     };
-    static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
+    static_assert(sizeof(IoctlSetNvmapFD) == 0x4, "IoctlSetNvmapFD is incorrect size");
+
+    struct IoctlSubmit {
+        INSERT_PADDING_BYTES(0x40); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlSubmit) == 0x40, "IoctlSubmit has incorrect size");
+
+    struct IoctlGetSyncpoint {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetSyncpoint) == 0x08, "IoctlGetSyncpoint has incorrect size");
+
+    struct IoctlGetWaitbase {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetWaitbase) == 0x08, "IoctlGetWaitbase has incorrect size");
+
+    struct IoctlMapBuffer {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x10); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBuffer) == 0x1C, "IoctlMapBuffer is incorrect size");
+
+    struct IoctlMapBufferEx {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x98); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBufferEx) == 0xA4, "IoctlMapBufferEx has incorrect size");
+
+    struct IoctlUnmapBufferEx {
+        INSERT_PADDING_BYTES(0xA4); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlUnmapBufferEx) == 0xA4, "IoctlUnmapBufferEx has incorrect size");
 
     u32_le nvmap_fd{};
 
     u32 SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 Submit(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Service::Nvidia::Devices

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

@@ -22,6 +22,18 @@ u32 nvhost_vic::ioctl(Ioctl command, const std::vector<u8>& input, const std::ve
     switch (static_cast<IoctlCommand>(command.raw)) {
     case IoctlCommand::IocSetNVMAPfdCommand:
         return SetNVMAPfd(input, output);
+    case IoctlCommand::IocSubmit:
+        return Submit(input, output);
+    case IoctlCommand::IocGetSyncpoint:
+        return GetSyncpoint(input, output);
+    case IoctlCommand::IocGetWaitbase:
+        return GetWaitbase(input, output);
+    case IoctlCommand::IocMapBuffer:
+        return MapBuffer(input, output);
+    case IoctlCommand::IocMapBufferEx:
+        return MapBuffer(input, output);
+    case IoctlCommand::IocUnmapBufferEx:
+        return UnmapBufferEx(input, output);
     }
 
     UNIMPLEMENTED_MSG("Unimplemented ioctl");
@@ -30,11 +42,67 @@ u32 nvhost_vic::ioctl(Ioctl command, const std::vector<u8>& input, const std::ve
 
 u32 nvhost_vic::SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output) {
     IoctlSetNvmapFD params{};
-    std::memcpy(&params, input.data(), input.size());
+    std::memcpy(&params, input.data(), sizeof(IoctlSetNvmapFD));
     LOG_DEBUG(Service_NVDRV, "called, fd={}", params.nvmap_fd);
 
     nvmap_fd = params.nvmap_fd;
     return 0;
 }
 
+u32 nvhost_vic::Submit(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlSubmit params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlSubmit));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlSubmit));
+    return 0;
+}
+
+u32 nvhost_vic::GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetSyncpoint params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetSyncpoint));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetSyncpoint));
+    return 0;
+}
+
+u32 nvhost_vic::GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlGetWaitbase params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlGetWaitbase));
+    LOG_INFO(Service_NVDRV, "called, unknown=0x{:X}", params.unknown);
+    params.value = 0; // Seems to be hard coded at 0
+    std::memcpy(output.data(), &params, sizeof(IoctlGetWaitbase));
+    return 0;
+}
+
+u32 nvhost_vic::MapBuffer(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBuffer params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBuffer));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBuffer));
+    return 0;
+}
+
+u32 nvhost_vic::MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlMapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlMapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called with address={:08X}{:08X}", params.address_2,
+                params.address_1);
+    params.address_1 = 0;
+    params.address_2 = 0;
+    std::memcpy(output.data(), &params, sizeof(IoctlMapBufferEx));
+    return 0;
+}
+
+u32 nvhost_vic::UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output) {
+    IoctlUnmapBufferEx params{};
+    std::memcpy(&params, input.data(), sizeof(IoctlUnmapBufferEx));
+    LOG_WARNING(Service_NVDRV, "(STUBBED) called");
+    std::memcpy(output.data(), &params, sizeof(IoctlUnmapBufferEx));
+    return 0;
+}
+
 } // namespace Service::Nvidia::Devices

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

@@ -23,6 +23,12 @@ public:
 private:
     enum class IoctlCommand : u32_le {
         IocSetNVMAPfdCommand = 0x40044801,
+        IocSubmit = 0xC0400001,
+        IocGetSyncpoint = 0xC0080002,
+        IocGetWaitbase = 0xC0080003,
+        IocMapBuffer = 0xC01C0009,
+        IocMapBufferEx = 0xC03C0009,
+        IocUnmapBufferEx = 0xC03C000A,
     };
 
     struct IoctlSetNvmapFD {
@@ -30,9 +36,53 @@ private:
     };
     static_assert(sizeof(IoctlSetNvmapFD) == 4, "IoctlSetNvmapFD is incorrect size");
 
+    struct IoctlSubmit {
+        INSERT_PADDING_BYTES(0x40); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlSubmit) == 0x40, "IoctlSubmit is incorrect size");
+
+    struct IoctlGetSyncpoint {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetSyncpoint) == 0x8, "IoctlGetSyncpoint is incorrect size");
+
+    struct IoctlGetWaitbase {
+        u32 unknown; // seems to be ignored? Nintendo added this
+        u32 value;
+    };
+    static_assert(sizeof(IoctlGetWaitbase) == 0x8, "IoctlGetWaitbase is incorrect size");
+
+    struct IoctlMapBuffer {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x10); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBuffer) == 0x1C, "IoctlMapBuffer is incorrect size");
+
+    struct IoctlMapBufferEx {
+        u32 unknown;
+        u32 address_1;
+        u32 address_2;
+        INSERT_PADDING_BYTES(0x30); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlMapBufferEx) == 0x3C, "IoctlMapBufferEx is incorrect size");
+
+    struct IoctlUnmapBufferEx {
+        INSERT_PADDING_BYTES(0x3C); // TODO(DarkLordZach): RE this structure
+    };
+    static_assert(sizeof(IoctlUnmapBufferEx) == 0x3C, "IoctlUnmapBufferEx is incorrect size");
+
     u32_le nvmap_fd{};
 
     u32 SetNVMAPfd(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 Submit(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetSyncpoint(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 GetWaitbase(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBuffer(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 MapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
+    u32 UnmapBufferEx(const std::vector<u8>& input, std::vector<u8>& output);
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/interface.cpp

@@ -134,7 +134,9 @@ void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) {
     IPC::ResponseBuilder rb{ctx, 3, 1};
     rb.Push(RESULT_SUCCESS);
     if (event_id < MaxNvEvents) {
-        rb.PushCopyObjects(nvdrv->GetEvent(event_id));
+        auto event = nvdrv->GetEvent(event_id);
+        event->Clear();
+        rb.PushCopyObjects(event);
         rb.Push<u32>(NvResult::Success);
     } else {
         rb.Push<u32>(0);

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

@@ -40,8 +40,8 @@ Module::Module(Core::System& system) {
     auto& kernel = system.Kernel();
     for (u32 i = 0; i < MaxNvEvents; i++) {
         std::string event_label = fmt::format("NVDRV::NvEvent_{}", i);
-        events_interface.events[i] = Kernel::WritableEvent::CreateEventPair(
-            kernel, Kernel::ResetType::Automatic, event_label);
+        events_interface.events[i] =
+            Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::Manual, event_label);
         events_interface.status[i] = EventState::Free;
         events_interface.registered[i] = false;
     }

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

@@ -187,14 +187,18 @@ void NVFlinger::Compose() {
         MicroProfileFlip();
 
         if (!buffer) {
-            // There was no queued buffer to draw, render previous frame
-            system.GetPerfStats().EndGameFrame();
-            system.GPU().SwapBuffers({});
             continue;
         }
 
         const auto& igbp_buffer = buffer->get().igbp_buffer;
 
+        const auto& gpu = system.GPU();
+        const auto& multi_fence = buffer->get().multi_fence;
+        for (u32 fence_id = 0; fence_id < multi_fence.num_fences; fence_id++) {
+            const auto& fence = multi_fence.fences[fence_id];
+            gpu.WaitFence(fence.id, fence.value);
+        }
+
         // Now send the buffer to the GPU for drawing.
         // TODO(Subv): Support more than just disp0. The display device selection is probably based
         // on which display we're drawing (Default, Internal, External, etc)

src/core/settings.cpp

@@ -6,6 +6,8 @@
 #include "core/core.h"
 #include "core/gdbstub/gdbstub.h"
 #include "core/hle/service/hid/hid.h"
+#include "core/hle/service/lbl/lbl.h"
+#include "core/hle/service/sm/sm.h"
 #include "core/settings.h"
 #include "video_core/renderer_base.h"
 
@@ -70,6 +72,7 @@ void Apply() {
     auto& system_instance = Core::System::GetInstance();
     if (system_instance.IsPoweredOn()) {
         system_instance.Renderer().RefreshBaseSettings();
+        Service::LBL::RequestLoadCurrentSetting(system_instance.ServiceManager());
     }
 
     Service::HID::ReloadInputDevices();

src/core/settings.h

@@ -428,6 +428,8 @@ struct Values {
     float bg_green;
     float bg_blue;
 
+    float backlight_brightness = 0.5f;
+
     std::string log_filter;
 
     bool use_dev_keys;

src/tests/core/core_timing.cpp

@@ -6,6 +6,7 @@
 
 #include <array>
 #include <bitset>
+#include <cstdlib>
 #include <string>
 #include "common/file_util.h"
 #include "core/core.h"
@@ -13,7 +14,7 @@
 
 // Numbers are chosen randomly to make sure the correct one is given.
 static constexpr std::array<u64, 5> CB_IDS{{42, 144, 93, 1026, UINT64_C(0xFFFF7FFFF7FFFF)}};
-static constexpr int MAX_SLICE_LENGTH = 20000; // Copied from CoreTiming internals
+static constexpr int MAX_SLICE_LENGTH = 10000; // Copied from CoreTiming internals
 
 static std::bitset<CB_IDS.size()> callbacks_ran_flags;
 static u64 expected_callback = 0;
@@ -28,6 +29,12 @@ void CallbackTemplate(u64 userdata, s64 cycles_late) {
     REQUIRE(lateness == cycles_late);
 }
 
+static u64 callbacks_done = 0;
+
+void EmptyCallback(u64 userdata, s64 cycles_late) {
+    ++callbacks_done;
+}
+
 struct ScopeInit final {
     ScopeInit() {
         core_timing.Initialize();
@@ -39,18 +46,19 @@ struct ScopeInit final {
     Core::Timing::CoreTiming core_timing;
 };
 
-static void AdvanceAndCheck(Core::Timing::CoreTiming& core_timing, u32 idx, int downcount,
+static void AdvanceAndCheck(Core::Timing::CoreTiming& core_timing, u32 idx, u32 context = 0,
                             int expected_lateness = 0, int cpu_downcount = 0) {
     callbacks_ran_flags = 0;
     expected_callback = CB_IDS[idx];
     lateness = expected_lateness;
 
     // Pretend we executed X cycles of instructions.
+    core_timing.SwitchContext(context);
     core_timing.AddTicks(core_timing.GetDowncount() - cpu_downcount);
     core_timing.Advance();
+    core_timing.SwitchContext((context + 1) % 4);
 
     REQUIRE(decltype(callbacks_ran_flags)().set(idx) == callbacks_ran_flags);
-    REQUIRE(downcount == core_timing.GetDowncount());
 }
 
 TEST_CASE("CoreTiming[BasicOrder]", "[core]") {
@@ -64,9 +72,10 @@ TEST_CASE("CoreTiming[BasicOrder]", "[core]") {
     Core::Timing::EventType* cb_e = core_timing.RegisterEvent("callbackE", CallbackTemplate<4>);
 
     // Enter slice 0
-    core_timing.Advance();
+    core_timing.ResetRun();
 
     // D -> B -> C -> A -> E
+    core_timing.SwitchContext(0);
     core_timing.ScheduleEvent(1000, cb_a, CB_IDS[0]);
     REQUIRE(1000 == core_timing.GetDowncount());
     core_timing.ScheduleEvent(500, cb_b, CB_IDS[1]);
@@ -78,98 +87,46 @@ TEST_CASE("CoreTiming[BasicOrder]", "[core]") {
     core_timing.ScheduleEvent(1200, cb_e, CB_IDS[4]);
     REQUIRE(100 == core_timing.GetDowncount());
 
-    AdvanceAndCheck(core_timing, 3, 400);
-    AdvanceAndCheck(core_timing, 1, 300);
-    AdvanceAndCheck(core_timing, 2, 200);
-    AdvanceAndCheck(core_timing, 0, 200);
-    AdvanceAndCheck(core_timing, 4, MAX_SLICE_LENGTH);
+    AdvanceAndCheck(core_timing, 3, 0);
+    AdvanceAndCheck(core_timing, 1, 1);
+    AdvanceAndCheck(core_timing, 2, 2);
+    AdvanceAndCheck(core_timing, 0, 3);
+    AdvanceAndCheck(core_timing, 4, 0);
 }
 
-TEST_CASE("CoreTiming[Threadsave]", "[core]") {
-    ScopeInit guard;
-    auto& core_timing = guard.core_timing;
-
-    Core::Timing::EventType* cb_a = core_timing.RegisterEvent("callbackA", CallbackTemplate<0>);
-    Core::Timing::EventType* cb_b = core_timing.RegisterEvent("callbackB", CallbackTemplate<1>);
-    Core::Timing::EventType* cb_c = core_timing.RegisterEvent("callbackC", CallbackTemplate<2>);
-    Core::Timing::EventType* cb_d = core_timing.RegisterEvent("callbackD", CallbackTemplate<3>);
-    Core::Timing::EventType* cb_e = core_timing.RegisterEvent("callbackE", CallbackTemplate<4>);
-
-    // Enter slice 0
-    core_timing.Advance();
-
-    // D -> B -> C -> A -> E
-    core_timing.ScheduleEvent(1000, cb_a, CB_IDS[0]);
-    // Manually force since ScheduleEvent doesn't call it
-    core_timing.ForceExceptionCheck(1000);
-    REQUIRE(1000 == core_timing.GetDowncount());
-    core_timing.ScheduleEvent(500, cb_b, CB_IDS[1]);
-    // Manually force since ScheduleEvent doesn't call it
-    core_timing.ForceExceptionCheck(500);
-    REQUIRE(500 == core_timing.GetDowncount());
-    core_timing.ScheduleEvent(800, cb_c, CB_IDS[2]);
-    // Manually force since ScheduleEvent doesn't call it
-    core_timing.ForceExceptionCheck(800);
-    REQUIRE(500 == core_timing.GetDowncount());
-    core_timing.ScheduleEvent(100, cb_d, CB_IDS[3]);
-    // Manually force since ScheduleEvent doesn't call it
-    core_timing.ForceExceptionCheck(100);
-    REQUIRE(100 == core_timing.GetDowncount());
-    core_timing.ScheduleEvent(1200, cb_e, CB_IDS[4]);
-    // Manually force since ScheduleEvent doesn't call it
-    core_timing.ForceExceptionCheck(1200);
-    REQUIRE(100 == core_timing.GetDowncount());
-
-    AdvanceAndCheck(core_timing, 3, 400);
-    AdvanceAndCheck(core_timing, 1, 300);
-    AdvanceAndCheck(core_timing, 2, 200);
-    AdvanceAndCheck(core_timing, 0, 200);
-    AdvanceAndCheck(core_timing, 4, MAX_SLICE_LENGTH);
-}
-
-namespace SharedSlotTest {
-static unsigned int counter = 0;
-
-template <unsigned int ID>
-void FifoCallback(u64 userdata, s64 cycles_late) {
-    static_assert(ID < CB_IDS.size(), "ID out of range");
-    callbacks_ran_flags.set(ID);
-    REQUIRE(CB_IDS[ID] == userdata);
-    REQUIRE(ID == counter);
-    REQUIRE(lateness == cycles_late);
-    ++counter;
-}
-} // namespace SharedSlotTest
-
-TEST_CASE("CoreTiming[SharedSlot]", "[core]") {
-    using namespace SharedSlotTest;
+TEST_CASE("CoreTiming[FairSharing]", "[core]") {
 
     ScopeInit guard;
     auto& core_timing = guard.core_timing;
 
-    Core::Timing::EventType* cb_a = core_timing.RegisterEvent("callbackA", FifoCallback<0>);
-    Core::Timing::EventType* cb_b = core_timing.RegisterEvent("callbackB", FifoCallback<1>);
-    Core::Timing::EventType* cb_c = core_timing.RegisterEvent("callbackC", FifoCallback<2>);
-    Core::Timing::EventType* cb_d = core_timing.RegisterEvent("callbackD", FifoCallback<3>);
-    Core::Timing::EventType* cb_e = core_timing.RegisterEvent("callbackE", FifoCallback<4>);
+    Core::Timing::EventType* empty_callback =
+        core_timing.RegisterEvent("empty_callback", EmptyCallback);
 
-    core_timing.ScheduleEvent(1000, cb_a, CB_IDS[0]);
-    core_timing.ScheduleEvent(1000, cb_b, CB_IDS[1]);
-    core_timing.ScheduleEvent(1000, cb_c, CB_IDS[2]);
-    core_timing.ScheduleEvent(1000, cb_d, CB_IDS[3]);
-    core_timing.ScheduleEvent(1000, cb_e, CB_IDS[4]);
+    callbacks_done = 0;
+    u64 MAX_CALLBACKS = 10;
+    for (std::size_t i = 0; i < 10; i++) {
+        core_timing.ScheduleEvent(i * 3333U, empty_callback, 0);
+    }
 
-    // Enter slice 0
-    core_timing.Advance();
-    REQUIRE(1000 == core_timing.GetDowncount());
+    const s64 advances = MAX_SLICE_LENGTH / 10;
+    core_timing.ResetRun();
+    u64 current_time = core_timing.GetTicks();
+    bool keep_running{};
+    do {
+        keep_running = false;
+        for (u32 active_core = 0; active_core < 4; ++active_core) {
+            core_timing.SwitchContext(active_core);
+            if (core_timing.CanCurrentContextRun()) {
+                core_timing.AddTicks(std::min<s64>(advances, core_timing.GetDowncount()));
+                core_timing.Advance();
+            }
+            keep_running |= core_timing.CanCurrentContextRun();
+        }
+    } while (keep_running);
+    u64 current_time_2 = core_timing.GetTicks();
 
-    callbacks_ran_flags = 0;
-    counter = 0;
-    lateness = 0;
-    core_timing.AddTicks(core_timing.GetDowncount());
-    core_timing.Advance();
-    REQUIRE(MAX_SLICE_LENGTH == core_timing.GetDowncount());
-    REQUIRE(0x1FULL == callbacks_ran_flags.to_ullong());
+    REQUIRE(MAX_CALLBACKS == callbacks_done);
+    REQUIRE(current_time_2 == current_time + MAX_SLICE_LENGTH * 4);
 }
 
 TEST_CASE("Core::Timing[PredictableLateness]", "[core]") {
@@ -180,13 +137,13 @@ TEST_CASE("Core::Timing[PredictableLateness]", "[core]") {
     Core::Timing::EventType* cb_b = core_timing.RegisterEvent("callbackB", CallbackTemplate<1>);
 
     // Enter slice 0
-    core_timing.Advance();
+    core_timing.ResetRun();
 
     core_timing.ScheduleEvent(100, cb_a, CB_IDS[0]);
     core_timing.ScheduleEvent(200, cb_b, CB_IDS[1]);
 
-    AdvanceAndCheck(core_timing, 0, 90, 10, -10); // (100 - 10)
-    AdvanceAndCheck(core_timing, 1, MAX_SLICE_LENGTH, 50, -50);
+    AdvanceAndCheck(core_timing, 0, 0, 10, -10); // (100 - 10)
+    AdvanceAndCheck(core_timing, 1, 1, 50, -50);
 }
 
 namespace ChainSchedulingTest {
@@ -220,7 +177,7 @@ TEST_CASE("CoreTiming[ChainScheduling]", "[core]") {
         });
 
     // Enter slice 0
-    core_timing.Advance();
+    core_timing.ResetRun();
 
     core_timing.ScheduleEvent(800, cb_a, CB_IDS[0]);
     core_timing.ScheduleEvent(1000, cb_b, CB_IDS[1]);
@@ -229,19 +186,19 @@ TEST_CASE("CoreTiming[ChainScheduling]", "[core]") {
     REQUIRE(800 == core_timing.GetDowncount());
 
     reschedules = 3;
-    AdvanceAndCheck(core_timing, 0, 200);  // cb_a
-    AdvanceAndCheck(core_timing, 1, 1000); // cb_b, cb_rs
+    AdvanceAndCheck(core_timing, 0, 0); // cb_a
+    AdvanceAndCheck(core_timing, 1, 1); // cb_b, cb_rs
     REQUIRE(2 == reschedules);
 
     core_timing.AddTicks(core_timing.GetDowncount());
     core_timing.Advance(); // cb_rs
+    core_timing.SwitchContext(3);
     REQUIRE(1 == reschedules);
     REQUIRE(200 == core_timing.GetDowncount());
 
-    AdvanceAndCheck(core_timing, 2, 800); // cb_c
+    AdvanceAndCheck(core_timing, 2, 3); // cb_c
 
     core_timing.AddTicks(core_timing.GetDowncount());
     core_timing.Advance(); // cb_rs
     REQUIRE(0 == reschedules);
-    REQUIRE(MAX_SLICE_LENGTH == core_timing.GetDowncount());
 }

src/video_core/engines/fermi_2d.cpp

@@ -47,10 +47,20 @@ void Fermi2D::HandleSurfaceCopy() {
         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);
     }
-    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,
-                                          regs.blit_dst_x + regs.blit_dst_width,
-                                          regs.blit_dst_y + regs.blit_dst_height};
+    const u32 dst_blit_x2 = regs.blit_dst_x + regs.blit_dst_width;
+    const u32 dst_blit_y2 = regs.blit_dst_x + regs.blit_dst_height;
+    const u32 excess_src_x2 = std::max<s32>(0, dst_blit_x2 - regs.dst.width);
+    const u32 excess_src_y2 = std::max<s32>(0, dst_blit_y2 - regs.dst.height);
+    const u32 excess_dst_x2 = std::max<s32>(0, src_blit_x2 - regs.src.width);
+    const u32 excess_dst_y2 = std::max<s32>(0, src_blit_y2 - regs.src.height);
+
+    const Common::Rectangle<u32> src_rect{
+        src_blit_x1, src_blit_y1, std::min<u32>(regs.src.width, src_blit_x2) - excess_src_x2,
+        std::min<u32>(regs.src.height, src_blit_y2) - excess_src_y2};
+    const Common::Rectangle<u32> dst_rect{
+        regs.blit_dst_x, regs.blit_dst_y,
+        std::min<u32>(regs.dst.width, dst_blit_x2) - excess_dst_x2,
+        std::min<u32>(regs.dst.height, dst_blit_y2) - excess_dst_y2};
     Config copy_config;
     copy_config.operation = regs.operation;
     copy_config.filter = regs.blit_control.filter;

src/video_core/gpu.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include "common/assert.h"
+#include "common/microprofile.h"
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/memory.h"
@@ -17,6 +18,8 @@
 
 namespace Tegra {
 
+MICROPROFILE_DEFINE(GPU_wait, "GPU", "Wait for the GPU", MP_RGB(128, 128, 192));
+
 GPU::GPU(Core::System& system, VideoCore::RendererBase& renderer, bool is_async)
     : system{system}, renderer{renderer}, is_async{is_async} {
     auto& rasterizer{renderer.Rasterizer()};
@@ -63,6 +66,16 @@ const DmaPusher& GPU::DmaPusher() const {
     return *dma_pusher;
 }
 
+void GPU::WaitFence(u32 syncpoint_id, u32 value) const {
+    // Synced GPU, is always in sync
+    if (!is_async) {
+        return;
+    }
+    MICROPROFILE_SCOPE(GPU_wait);
+    while (syncpoints[syncpoint_id].load(std::memory_order_relaxed) < value) {
+    }
+}
+
 void GPU::IncrementSyncPoint(const u32 syncpoint_id) {
     syncpoints[syncpoint_id]++;
     std::lock_guard lock{sync_mutex};

src/video_core/gpu.h

@@ -177,6 +177,12 @@ public:
     /// Returns a reference to the GPU DMA pusher.
     Tegra::DmaPusher& DmaPusher();
 
+    // Waits for the GPU to finish working
+    virtual void WaitIdle() const = 0;
+
+    /// Allows the CPU/NvFlinger to wait on the GPU before presenting a frame.
+    void WaitFence(u32 syncpoint_id, u32 value) const;
+
     void IncrementSyncPoint(u32 syncpoint_id);
 
     u32 GetSyncpointValue(u32 syncpoint_id) const;

src/video_core/gpu_asynch.cpp

@@ -44,4 +44,8 @@ void GPUAsynch::TriggerCpuInterrupt(const u32 syncpoint_id, const u32 value) con
     interrupt_manager.GPUInterruptSyncpt(syncpoint_id, value);
 }
 
+void GPUAsynch::WaitIdle() const {
+    gpu_thread.WaitIdle();
+}
+
 } // namespace VideoCommon

src/video_core/gpu_asynch.h

@@ -25,6 +25,7 @@ public:
     void FlushRegion(CacheAddr addr, u64 size) override;
     void InvalidateRegion(CacheAddr addr, u64 size) override;
     void FlushAndInvalidateRegion(CacheAddr addr, u64 size) override;
+    void WaitIdle() const override;
 
 protected:
     void TriggerCpuInterrupt(u32 syncpoint_id, u32 value) const override;

src/video_core/gpu_synch.h

@@ -24,6 +24,7 @@ public:
     void FlushRegion(CacheAddr addr, u64 size) override;
     void InvalidateRegion(CacheAddr addr, u64 size) override;
     void FlushAndInvalidateRegion(CacheAddr addr, u64 size) override;
+    void WaitIdle() const override {}
 
 protected:
     void TriggerCpuInterrupt([[maybe_unused]] u32 syncpoint_id,

src/video_core/gpu_thread.cpp

@@ -5,8 +5,6 @@
 #include "common/assert.h"
 #include "common/microprofile.h"
 #include "core/core.h"
-#include "core/core_timing.h"
-#include "core/core_timing_util.h"
 #include "core/frontend/scope_acquire_window_context.h"
 #include "video_core/dma_pusher.h"
 #include "video_core/gpu.h"
@@ -68,14 +66,10 @@ ThreadManager::~ThreadManager() {
 
 void ThreadManager::StartThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_pusher) {
     thread = std::thread{RunThread, std::ref(renderer), std::ref(dma_pusher), std::ref(state)};
-    synchronization_event = system.CoreTiming().RegisterEvent(
-        "GPUThreadSynch", [this](u64 fence, s64) { state.WaitForSynchronization(fence); });
 }
 
 void ThreadManager::SubmitList(Tegra::CommandList&& entries) {
-    const u64 fence{PushCommand(SubmitListCommand(std::move(entries)))};
-    const s64 synchronization_ticks{Core::Timing::usToCycles(std::chrono::microseconds{9000})};
-    system.CoreTiming().ScheduleEvent(synchronization_ticks, synchronization_event, fence);
+    PushCommand(SubmitListCommand(std::move(entries)));
 }
 
 void ThreadManager::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
@@ -96,16 +90,15 @@ void ThreadManager::FlushAndInvalidateRegion(CacheAddr addr, u64 size) {
     InvalidateRegion(addr, size);
 }
 
+void ThreadManager::WaitIdle() const {
+    while (state.last_fence > state.signaled_fence.load(std::memory_order_relaxed)) {
+    }
+}
+
 u64 ThreadManager::PushCommand(CommandData&& command_data) {
     const u64 fence{++state.last_fence};
     state.queue.Push(CommandDataContainer(std::move(command_data), fence));
     return fence;
 }
 
-MICROPROFILE_DEFINE(GPU_wait, "GPU", "Wait for the GPU", MP_RGB(128, 128, 192));
-void SynchState::WaitForSynchronization(u64 fence) {
-    while (signaled_fence.load() < fence)
-        ;
-}
-
 } // namespace VideoCommon::GPUThread

src/video_core/gpu_thread.h

@@ -21,9 +21,6 @@ class DmaPusher;
 
 namespace Core {
 class System;
-namespace Timing {
-struct EventType;
-} // namespace Timing
 } // namespace Core
 
 namespace VideoCommon::GPUThread {
@@ -89,8 +86,6 @@ struct CommandDataContainer {
 struct SynchState final {
     std::atomic_bool is_running{true};
 
-    void WaitForSynchronization(u64 fence);
-
     using CommandQueue = Common::SPSCQueue<CommandDataContainer>;
     CommandQueue queue;
     u64 last_fence{};
@@ -121,6 +116,9 @@ public:
     /// Notify rasterizer that any caches of the specified region should be flushed and invalidated
     void FlushAndInvalidateRegion(CacheAddr addr, u64 size);
 
+    // Wait until the gpu thread is idle.
+    void WaitIdle() const;
+
 private:
     /// Pushes a command to be executed by the GPU thread
     u64 PushCommand(CommandData&& command_data);
@@ -128,7 +126,6 @@ private:
 private:
     SynchState state;
     Core::System& system;
-    Core::Timing::EventType* synchronization_event{};
     std::thread thread;
     std::thread::id thread_id;
 };

src/video_core/morton.cpp

@@ -93,6 +93,7 @@ static constexpr ConversionArray morton_to_linear_fns = {
     MortonCopy<true, PixelFormat::DXT23_SRGB>,
     MortonCopy<true, PixelFormat::DXT45_SRGB>,
     MortonCopy<true, PixelFormat::BC7U_SRGB>,
+    MortonCopy<true, PixelFormat::R4G4B4A4U>,
     MortonCopy<true, PixelFormat::ASTC_2D_4X4_SRGB>,
     MortonCopy<true, PixelFormat::ASTC_2D_8X8_SRGB>,
     MortonCopy<true, PixelFormat::ASTC_2D_8X5_SRGB>,
@@ -101,6 +102,16 @@ static constexpr ConversionArray morton_to_linear_fns = {
     MortonCopy<true, PixelFormat::ASTC_2D_5X5_SRGB>,
     MortonCopy<true, PixelFormat::ASTC_2D_10X8>,
     MortonCopy<true, PixelFormat::ASTC_2D_10X8_SRGB>,
+    MortonCopy<true, PixelFormat::ASTC_2D_6X6>,
+    MortonCopy<true, PixelFormat::ASTC_2D_6X6_SRGB>,
+    MortonCopy<true, PixelFormat::ASTC_2D_10X10>,
+    MortonCopy<true, PixelFormat::ASTC_2D_10X10_SRGB>,
+    MortonCopy<true, PixelFormat::ASTC_2D_12X12>,
+    MortonCopy<true, PixelFormat::ASTC_2D_12X12_SRGB>,
+    MortonCopy<true, PixelFormat::ASTC_2D_8X6>,
+    MortonCopy<true, PixelFormat::ASTC_2D_8X6_SRGB>,
+    MortonCopy<true, PixelFormat::ASTC_2D_6X5>,
+    MortonCopy<true, PixelFormat::ASTC_2D_6X5_SRGB>,
     MortonCopy<true, PixelFormat::Z32F>,
     MortonCopy<true, PixelFormat::Z16>,
     MortonCopy<true, PixelFormat::Z24S8>,
@@ -162,6 +173,17 @@ static constexpr ConversionArray linear_to_morton_fns = {
     MortonCopy<false, PixelFormat::DXT23_SRGB>,
     MortonCopy<false, PixelFormat::DXT45_SRGB>,
     MortonCopy<false, PixelFormat::BC7U_SRGB>,
+    MortonCopy<false, PixelFormat::R4G4B4A4U>,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
     nullptr,
     nullptr,
     nullptr,

src/video_core/renderer_base.cpp

@@ -40,4 +40,35 @@ void RendererBase::RequestScreenshot(void* data, std::function<void()> callback,
     renderer_settings.screenshot_requested = true;
 }
 
+f32 RendererBase::GetCurrentResultantBrightness() const {
+    return renderer_settings.current_brightness / 2.0f;
+}
+
+void RendererBase::SetBacklightStatus(bool enabled, u64 fade_transition_time) {
+    if (fade_transition_time == 0) {
+        // Needed to ensure the renderer recognizes that a change must occur.
+        fade_transition_time = 1;
+    }
+
+    if (enabled && renderer_settings.current_brightness == 0) {
+        renderer_settings.current_brightness = current_brightness_backup;
+        renderer_settings.backlight_fade_time = fade_transition_time;
+    } else if (!enabled && renderer_settings.current_brightness != 0) {
+        current_brightness_backup = renderer_settings.current_brightness;
+        renderer_settings.current_brightness = 0;
+        renderer_settings.backlight_fade_time = fade_transition_time;
+    }
+}
+
+bool RendererBase::GetBacklightStatus() const {
+    return renderer_settings.current_brightness != 0;
+}
+
+void RendererBase::SetCurrentBrightness(f32 value) {
+    if (value != renderer_settings.current_brightness) {
+        renderer_settings.current_brightness = value * 2.0f;
+        renderer_settings.backlight_fade_time = 1;
+    }
+}
+
 } // namespace VideoCore

src/video_core/renderer_base.h

@@ -28,6 +28,10 @@ struct RendererSettings {
     void* screenshot_bits;
     std::function<void()> screenshot_complete_callback;
     Layout::FramebufferLayout screenshot_framebuffer_layout;
+
+    // Backlight & Brightness
+    std::atomic<f32> current_brightness{1.f};
+    std::atomic<u64> backlight_fade_time{0};
 };
 
 class RendererBase : NonCopyable {
@@ -86,6 +90,17 @@ public:
     void RequestScreenshot(void* data, std::function<void()> callback,
                            const Layout::FramebufferLayout& layout);
 
+    // Gets the current brightness, even if it has been changed from the set value. Most of the time
+    // for yuzu this will simply match what was returned, but implementations are free to change the
+    // value in settings.
+    f32 GetCurrentResultantBrightness() const;
+
+    void SetBacklightStatus(bool enabled, u64 fade_transition_time);
+
+    bool GetBacklightStatus() const;
+
+    void SetCurrentBrightness(f32 value);
+
 protected:
     Core::Frontend::EmuWindow& render_window; ///< Reference to the render window handle.
     std::unique_ptr<RasterizerInterface> rasterizer;
@@ -97,6 +112,9 @@ protected:
 private:
     /// Updates the framebuffer layout of the contained render window handle.
     void UpdateCurrentFramebufferLayout();
+
+    // Value of brightness before backlight switch used to preserve value.
+    f32 current_brightness_backup;
 };
 
 } // namespace VideoCore

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -348,6 +348,7 @@ static constexpr auto RangeFromInterval(Map& map, const Interval& interval) {
 }
 
 void RasterizerOpenGL::UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {
+    std::lock_guard lock{pages_mutex};
     const u64 page_start{addr >> Memory::PAGE_BITS};
     const u64 page_end{(addr + size + Memory::PAGE_SIZE - 1) >> Memory::PAGE_BITS};
 

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -9,6 +9,7 @@
 #include <cstddef>
 #include <map>
 #include <memory>
+#include <mutex>
 #include <optional>
 #include <tuple>
 #include <utility>
@@ -230,6 +231,8 @@ private:
 
     using CachedPageMap = boost::icl::interval_map<u64, int>;
     CachedPageMap cached_pages;
+
+    std::mutex pages_mutex;
 };
 
 } // namespace OpenGL

src/video_core/renderer_opengl/gl_texture_cache.cpp

@@ -111,7 +111,8 @@ constexpr std::array<FormatTuple, VideoCore::Surface::MaxPixelFormat> tex_format
     {GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
      true}, // DXT45_SRGB
     {GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
-     true},                                                                    // BC7U_SRGB
+     true},                                                                          // BC7U_SRGB
+    {GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV, ComponentType::UNorm, false}, // R4G4B4A4U
     {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_4X4_SRGB
     {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X8_SRGB
     {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X5_SRGB
@@ -120,6 +121,16 @@ constexpr std::array<FormatTuple, VideoCore::Surface::MaxPixelFormat> tex_format
     {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_5X5_SRGB
     {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false},        // ASTC_2D_10X8
     {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_10X8_SRGB
+    {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false},        // ASTC_2D_6X6
+    {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_6X6_SRGB
+    {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false},        // ASTC_2D_10X10
+    {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_10X10_SRGB
+    {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false},        // ASTC_2D_12X12
+    {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_12X12_SRGB
+    {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false},        // ASTC_2D_8X6
+    {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X6_SRGB
+    {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false},        // ASTC_2D_6X5
+    {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_6X5_SRGB
 
     // Depth formats
     {GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, ComponentType::Float, false}, // Z32F

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -54,11 +54,13 @@ in vec2 frag_tex_coord;
 out vec4 color;
 
 uniform sampler2D color_texture;
+uniform vec4 backlight;
 
 void main() {
     // Swap RGBA -> ABGR so we don't have to do this on the CPU. This needs to change if we have to
     // support more framebuffer pixel formats.
-    color = texture(color_texture, frag_tex_coord);
+    // Also multiply the color by the backlight multiplier supplied.
+    color = texture(color_texture, frag_tex_coord) * backlight;
 }
 )";
 
@@ -102,8 +104,6 @@ RendererOpenGL::RendererOpenGL(Core::Frontend::EmuWindow& emu_window, Core::Syst
 RendererOpenGL::~RendererOpenGL() = default;
 
 void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
-    system.GetPerfStats().EndSystemFrame();
-
     // Maintain the rasterizer's state as a priority
     OpenGLState prev_state = OpenGLState::GetCurState();
     state.AllDirty();
@@ -123,8 +123,13 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
         // Load the framebuffer from memory, draw it to the screen, and swap buffers
         LoadFBToScreenInfo(*framebuffer);
 
-        if (renderer_settings.screenshot_requested)
+        if (renderer_settings.screenshot_requested) {
             CaptureScreenshot();
+        }
+
+        if (renderer_settings.backlight_fade_time > 0) {
+            UpdateBacklight();
+        }
 
         DrawScreen(render_window.GetFramebufferLayout());
 
@@ -135,9 +140,6 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
 
     render_window.PollEvents();
 
-    system.FrameLimiter().DoFrameLimiting(system.CoreTiming().GetGlobalTimeUs());
-    system.GetPerfStats().BeginSystemFrame();
-
     // Restore the rasterizer state
     prev_state.AllDirty();
     prev_state.Apply();
@@ -210,9 +212,13 @@ void RendererOpenGL::InitOpenGLObjects() {
     state.Apply();
     uniform_modelview_matrix = glGetUniformLocation(shader.handle, "modelview_matrix");
     uniform_color_texture = glGetUniformLocation(shader.handle, "color_texture");
+    uniform_backlight = glGetUniformLocation(shader.handle, "backlight");
     attrib_position = glGetAttribLocation(shader.handle, "vert_position");
     attrib_tex_coord = glGetAttribLocation(shader.handle, "vert_tex_coord");
 
+    // Initialize backlight
+    glUniform4f(uniform_backlight, 1.f, 1.f, 1.f, 1.f);
+
     // Generate VBO handle for drawing
     vertex_buffer.Create();
 
@@ -421,6 +427,29 @@ void RendererOpenGL::CaptureScreenshot() {
     renderer_settings.screenshot_requested = false;
 }
 
+void RendererOpenGL::UpdateBacklight() {
+    constexpr u64 PER_FRAME_FADE_TIME = 1000000000.0f / 60;
+
+    const auto fade_time = renderer_settings.backlight_fade_time.load(std::memory_order_relaxed);
+    auto value = renderer_settings.current_brightness.load(std::memory_order_relaxed);
+    if (fade_time <= PER_FRAME_FADE_TIME) {
+        glUniform4f(uniform_backlight, value, value, value, value);
+        renderer_settings.backlight_fade_time = 0;
+        fade_time_max = 0;
+    } else {
+        if (fade_time_max == 0) {
+            fade_time_max = fade_time;
+            value_max = value;
+        }
+
+        value += (value_max - value) * PER_FRAME_FADE_TIME / fade_time_max;
+
+        glUniform4f(uniform_backlight, value, value, value, value);
+        renderer_settings.backlight_fade_time -= PER_FRAME_FADE_TIME;
+        renderer_settings.current_brightness = value;
+    }
+}
+
 static const char* GetSource(GLenum source) {
 #define RET(s)                                                                                     \
     case GL_DEBUG_SOURCE_##s:                                                                      \

src/video_core/renderer_opengl/renderer_opengl.h

@@ -70,6 +70,7 @@ private:
     void UpdateFramerate();
 
     void CaptureScreenshot();
+    void UpdateBacklight();
 
     // Loads framebuffer from emulated memory into the display information structure
     void LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer);
@@ -97,6 +98,7 @@ private:
     // Shader uniform location indices
     GLuint uniform_modelview_matrix;
     GLuint uniform_color_texture;
+    GLuint uniform_backlight;
 
     // Shader attribute input indices
     GLuint attrib_position;
@@ -105,6 +107,10 @@ private:
     /// Used for transforming the framebuffer orientation
     Tegra::FramebufferConfig::TransformFlags framebuffer_transform_flags;
     Common::Rectangle<int> framebuffer_crop_rect;
+
+    // Used for backlight transitions
+    u64 fade_time_max = 0;
+    f32 value_max = 0;
 };
 
 } // namespace OpenGL

src/video_core/surface.cpp

@@ -212,6 +212,14 @@ PixelFormat PixelFormatFromTextureFormat(Tegra::Texture::TextureFormat format,
             break;
         }
         break;
+    case Tegra::Texture::TextureFormat::A4B4G4R4:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::R4G4B4A4U;
+        default:
+            break;
+        }
+        break;
     case Tegra::Texture::TextureFormat::R8:
         switch (component_type) {
         case Tegra::Texture::ComponentType::UNORM:
@@ -350,6 +358,16 @@ PixelFormat PixelFormatFromTextureFormat(Tegra::Texture::TextureFormat format,
         return is_srgb ? PixelFormat::ASTC_2D_8X5_SRGB : PixelFormat::ASTC_2D_8X5;
     case Tegra::Texture::TextureFormat::ASTC_2D_10X8:
         return is_srgb ? PixelFormat::ASTC_2D_10X8_SRGB : PixelFormat::ASTC_2D_10X8;
+    case Tegra::Texture::TextureFormat::ASTC_2D_6X6:
+        return is_srgb ? PixelFormat::ASTC_2D_6X6_SRGB : PixelFormat::ASTC_2D_6X6;
+    case Tegra::Texture::TextureFormat::ASTC_2D_10X10:
+        return is_srgb ? PixelFormat::ASTC_2D_10X10_SRGB : PixelFormat::ASTC_2D_10X10;
+    case Tegra::Texture::TextureFormat::ASTC_2D_12X12:
+        return is_srgb ? PixelFormat::ASTC_2D_12X12_SRGB : PixelFormat::ASTC_2D_12X12;
+    case Tegra::Texture::TextureFormat::ASTC_2D_8X6:
+        return is_srgb ? PixelFormat::ASTC_2D_8X6_SRGB : PixelFormat::ASTC_2D_8X6;
+    case Tegra::Texture::TextureFormat::ASTC_2D_6X5:
+        return is_srgb ? PixelFormat::ASTC_2D_6X5_SRGB : PixelFormat::ASTC_2D_6X5;
     case Tegra::Texture::TextureFormat::R16_G16:
         switch (component_type) {
         case Tegra::Texture::ComponentType::FLOAT:
@@ -510,6 +528,16 @@ bool IsPixelFormatASTC(PixelFormat format) {
     case PixelFormat::ASTC_2D_8X5_SRGB:
     case PixelFormat::ASTC_2D_10X8:
     case PixelFormat::ASTC_2D_10X8_SRGB:
+    case PixelFormat::ASTC_2D_6X6:
+    case PixelFormat::ASTC_2D_6X6_SRGB:
+    case PixelFormat::ASTC_2D_10X10:
+    case PixelFormat::ASTC_2D_10X10_SRGB:
+    case PixelFormat::ASTC_2D_12X12:
+    case PixelFormat::ASTC_2D_12X12_SRGB:
+    case PixelFormat::ASTC_2D_8X6:
+    case PixelFormat::ASTC_2D_8X6_SRGB:
+    case PixelFormat::ASTC_2D_6X5:
+    case PixelFormat::ASTC_2D_6X5_SRGB:
         return true;
     default:
         return false;
@@ -530,6 +558,11 @@ bool IsPixelFormatSRGB(PixelFormat format) {
     case PixelFormat::ASTC_2D_5X4_SRGB:
     case PixelFormat::ASTC_2D_5X5_SRGB:
     case PixelFormat::ASTC_2D_10X8_SRGB:
+    case PixelFormat::ASTC_2D_6X6_SRGB:
+    case PixelFormat::ASTC_2D_10X10_SRGB:
+    case PixelFormat::ASTC_2D_12X12_SRGB:
+    case PixelFormat::ASTC_2D_8X6_SRGB:
+    case PixelFormat::ASTC_2D_6X5_SRGB:
         return true;
     default:
         return false;

src/video_core/surface.h

@@ -67,27 +67,38 @@ enum class PixelFormat {
     DXT23_SRGB = 49,
     DXT45_SRGB = 50,
     BC7U_SRGB = 51,
-    ASTC_2D_4X4_SRGB = 52,
-    ASTC_2D_8X8_SRGB = 53,
-    ASTC_2D_8X5_SRGB = 54,
-    ASTC_2D_5X4_SRGB = 55,
-    ASTC_2D_5X5 = 56,
-    ASTC_2D_5X5_SRGB = 57,
-    ASTC_2D_10X8 = 58,
-    ASTC_2D_10X8_SRGB = 59,
+    R4G4B4A4U = 52,
+    ASTC_2D_4X4_SRGB = 53,
+    ASTC_2D_8X8_SRGB = 54,
+    ASTC_2D_8X5_SRGB = 55,
+    ASTC_2D_5X4_SRGB = 56,
+    ASTC_2D_5X5 = 57,
+    ASTC_2D_5X5_SRGB = 58,
+    ASTC_2D_10X8 = 59,
+    ASTC_2D_10X8_SRGB = 60,
+    ASTC_2D_6X6 = 61,
+    ASTC_2D_6X6_SRGB = 62,
+    ASTC_2D_10X10 = 63,
+    ASTC_2D_10X10_SRGB = 64,
+    ASTC_2D_12X12 = 65,
+    ASTC_2D_12X12_SRGB = 66,
+    ASTC_2D_8X6 = 67,
+    ASTC_2D_8X6_SRGB = 68,
+    ASTC_2D_6X5 = 69,
+    ASTC_2D_6X5_SRGB = 70,
 
     MaxColorFormat,
 
     // Depth formats
-    Z32F = 60,
-    Z16 = 61,
+    Z32F = 71,
+    Z16 = 72,
 
     MaxDepthFormat,
 
     // DepthStencil formats
-    Z24S8 = 62,
-    S8Z24 = 63,
-    Z32FS8 = 64,
+    Z24S8 = 73,
+    S8Z24 = 74,
+    Z32FS8 = 75,
 
     MaxDepthStencilFormat,
 
@@ -177,6 +188,7 @@ constexpr std::array<u32, MaxPixelFormat> compression_factor_shift_table = {{
     2, // DXT23_SRGB
     2, // DXT45_SRGB
     2, // BC7U_SRGB
+    0, // R4G4B4A4U
     2, // ASTC_2D_4X4_SRGB
     2, // ASTC_2D_8X8_SRGB
     2, // ASTC_2D_8X5_SRGB
@@ -185,6 +197,16 @@ constexpr std::array<u32, MaxPixelFormat> compression_factor_shift_table = {{
     2, // ASTC_2D_5X5_SRGB
     2, // ASTC_2D_10X8
     2, // ASTC_2D_10X8_SRGB
+    2, // ASTC_2D_6X6
+    2, // ASTC_2D_6X6_SRGB
+    2, // ASTC_2D_10X10
+    2, // ASTC_2D_10X10_SRGB
+    2, // ASTC_2D_12X12
+    2, // ASTC_2D_12X12_SRGB
+    2, // ASTC_2D_8X6
+    2, // ASTC_2D_8X6_SRGB
+    2, // ASTC_2D_6X5
+    2, // ASTC_2D_6X5_SRGB
     0, // Z32F
     0, // Z16
     0, // Z24S8
@@ -261,6 +283,7 @@ constexpr std::array<u32, MaxPixelFormat> block_width_table = {{
     4,  // DXT23_SRGB
     4,  // DXT45_SRGB
     4,  // BC7U_SRGB
+    1,  // R4G4B4A4U
     4,  // ASTC_2D_4X4_SRGB
     8,  // ASTC_2D_8X8_SRGB
     8,  // ASTC_2D_8X5_SRGB
@@ -269,6 +292,16 @@ constexpr std::array<u32, MaxPixelFormat> block_width_table = {{
     5,  // ASTC_2D_5X5_SRGB
     10, // ASTC_2D_10X8
     10, // ASTC_2D_10X8_SRGB
+    6,  // ASTC_2D_6X6
+    6,  // ASTC_2D_6X6_SRGB
+    10, // ASTC_2D_10X10
+    10, // ASTC_2D_10X10_SRGB
+    12, // ASTC_2D_12X12
+    12, // ASTC_2D_12X12_SRGB
+    8,  // ASTC_2D_8X6
+    8,  // ASTC_2D_8X6_SRGB
+    6,  // ASTC_2D_6X5
+    6,  // ASTC_2D_6X5_SRGB
     1,  // Z32F
     1,  // Z16
     1,  // Z24S8
@@ -285,71 +318,82 @@ static constexpr u32 GetDefaultBlockWidth(PixelFormat format) {
 }
 
 constexpr std::array<u32, MaxPixelFormat> block_height_table = {{
-    1, // ABGR8U
-    1, // ABGR8S
-    1, // ABGR8UI
-    1, // B5G6R5U
-    1, // A2B10G10R10U
-    1, // A1B5G5R5U
-    1, // R8U
-    1, // R8UI
-    1, // RGBA16F
-    1, // RGBA16U
-    1, // RGBA16UI
-    1, // R11FG11FB10F
-    1, // RGBA32UI
-    4, // DXT1
-    4, // DXT23
-    4, // DXT45
-    4, // DXN1
-    4, // DXN2UNORM
-    4, // DXN2SNORM
-    4, // BC7U
-    4, // BC6H_UF16
-    4, // BC6H_SF16
-    4, // ASTC_2D_4X4
-    1, // BGRA8
-    1, // RGBA32F
-    1, // RG32F
-    1, // R32F
-    1, // R16F
-    1, // R16U
-    1, // R16S
-    1, // R16UI
-    1, // R16I
-    1, // RG16
-    1, // RG16F
-    1, // RG16UI
-    1, // RG16I
-    1, // RG16S
-    1, // RGB32F
-    1, // RGBA8_SRGB
-    1, // RG8U
-    1, // RG8S
-    1, // RG32UI
-    1, // RGBX16F
-    1, // R32UI
-    8, // ASTC_2D_8X8
-    5, // ASTC_2D_8X5
-    4, // ASTC_2D_5X4
-    1, // BGRA8_SRGB
-    4, // DXT1_SRGB
-    4, // DXT23_SRGB
-    4, // DXT45_SRGB
-    4, // BC7U_SRGB
-    4, // ASTC_2D_4X4_SRGB
-    8, // ASTC_2D_8X8_SRGB
-    5, // ASTC_2D_8X5_SRGB
-    4, // ASTC_2D_5X4_SRGB
-    5, // ASTC_2D_5X5
-    5, // ASTC_2D_5X5_SRGB
-    8, // ASTC_2D_10X8
-    8, // ASTC_2D_10X8_SRGB
-    1, // Z32F
-    1, // Z16
-    1, // Z24S8
-    1, // S8Z24
-    1, // Z32FS8
+    1,  // ABGR8U
+    1,  // ABGR8S
+    1,  // ABGR8UI
+    1,  // B5G6R5U
+    1,  // A2B10G10R10U
+    1,  // A1B5G5R5U
+    1,  // R8U
+    1,  // R8UI
+    1,  // RGBA16F
+    1,  // RGBA16U
+    1,  // RGBA16UI
+    1,  // R11FG11FB10F
+    1,  // RGBA32UI
+    4,  // DXT1
+    4,  // DXT23
+    4,  // DXT45
+    4,  // DXN1
+    4,  // DXN2UNORM
+    4,  // DXN2SNORM
+    4,  // BC7U
+    4,  // BC6H_UF16
+    4,  // BC6H_SF16
+    4,  // ASTC_2D_4X4
+    1,  // BGRA8
+    1,  // RGBA32F
+    1,  // RG32F
+    1,  // R32F
+    1,  // R16F
+    1,  // R16U
+    1,  // R16S
+    1,  // R16UI
+    1,  // R16I
+    1,  // RG16
+    1,  // RG16F
+    1,  // RG16UI
+    1,  // RG16I
+    1,  // RG16S
+    1,  // RGB32F
+    1,  // RGBA8_SRGB
+    1,  // RG8U
+    1,  // RG8S
+    1,  // RG32UI
+    1,  // RGBX16F
+    1,  // R32UI
+    8,  // ASTC_2D_8X8
+    5,  // ASTC_2D_8X5
+    4,  // ASTC_2D_5X4
+    1,  // BGRA8_SRGB
+    4,  // DXT1_SRGB
+    4,  // DXT23_SRGB
+    4,  // DXT45_SRGB
+    4,  // BC7U_SRGB
+    1,  // R4G4B4A4U
+    4,  // ASTC_2D_4X4_SRGB
+    8,  // ASTC_2D_8X8_SRGB
+    5,  // ASTC_2D_8X5_SRGB
+    4,  // ASTC_2D_5X4_SRGB
+    5,  // ASTC_2D_5X5
+    5,  // ASTC_2D_5X5_SRGB
+    8,  // ASTC_2D_10X8
+    8,  // ASTC_2D_10X8_SRGB
+    6,  // ASTC_2D_6X6
+    6,  // ASTC_2D_6X6_SRGB
+    10, // ASTC_2D_10X10
+    10, // ASTC_2D_10X10_SRGB
+    12, // ASTC_2D_12X12
+    12, // ASTC_2D_12X12_SRGB
+    6,  // ASTC_2D_8X6
+    6,  // ASTC_2D_8X6_SRGB
+    5,  // ASTC_2D_6X5
+    5,  // ASTC_2D_6X5_SRGB
+    1,  // Z32F
+    1,  // Z16
+    1,  // Z24S8
+    1,  // S8Z24
+    1,  // Z32FS8
 }};
 
 static constexpr u32 GetDefaultBlockHeight(PixelFormat format) {
@@ -413,6 +457,7 @@ constexpr std::array<u32, MaxPixelFormat> bpp_table = {{
     128, // DXT23_SRGB
     128, // DXT45_SRGB
     128, // BC7U
+    16,  // R4G4B4A4U
     128, // ASTC_2D_4X4_SRGB
     128, // ASTC_2D_8X8_SRGB
     128, // ASTC_2D_8X5_SRGB
@@ -421,6 +466,16 @@ constexpr std::array<u32, MaxPixelFormat> bpp_table = {{
     128, // ASTC_2D_5X5_SRGB
     128, // ASTC_2D_10X8
     128, // ASTC_2D_10X8_SRGB
+    128, // ASTC_2D_6X6
+    128, // ASTC_2D_6X6_SRGB
+    128, // ASTC_2D_10X10
+    128, // ASTC_2D_10X10_SRGB
+    128, // ASTC_2D_12X12
+    128, // ASTC_2D_12X12_SRGB
+    128, // ASTC_2D_8X6
+    128, // ASTC_2D_8X6_SRGB
+    128, // ASTC_2D_6X5
+    128, // ASTC_2D_6X5_SRGB
     32,  // Z32F
     16,  // Z16
     32,  // Z24S8
@@ -504,6 +559,7 @@ constexpr std::array<SurfaceCompression, MaxPixelFormat> compression_type_table
     SurfaceCompression::Compressed, // DXT23_SRGB
     SurfaceCompression::Compressed, // DXT45_SRGB
     SurfaceCompression::Compressed, // BC7U_SRGB
+    SurfaceCompression::None,       // R4G4B4A4U
     SurfaceCompression::Converted,  // ASTC_2D_4X4_SRGB
     SurfaceCompression::Converted,  // ASTC_2D_8X8_SRGB
     SurfaceCompression::Converted,  // ASTC_2D_8X5_SRGB
@@ -512,6 +568,16 @@ constexpr std::array<SurfaceCompression, MaxPixelFormat> compression_type_table
     SurfaceCompression::Converted,  // ASTC_2D_5X5_SRGB
     SurfaceCompression::Converted,  // ASTC_2D_10X8
     SurfaceCompression::Converted,  // ASTC_2D_10X8_SRGB
+    SurfaceCompression::Converted,  // ASTC_2D_6X6
+    SurfaceCompression::Converted,  // ASTC_2D_6X6_SRGB
+    SurfaceCompression::Converted,  // ASTC_2D_10X10
+    SurfaceCompression::Converted,  // ASTC_2D_10X10_SRGB
+    SurfaceCompression::Converted,  // ASTC_2D_12X12
+    SurfaceCompression::Converted,  // ASTC_2D_12X12_SRGB
+    SurfaceCompression::Converted,  // ASTC_2D_8X6
+    SurfaceCompression::Converted,  // ASTC_2D_8X6_SRGB
+    SurfaceCompression::Converted,  // ASTC_2D_6X5
+    SurfaceCompression::Converted,  // ASTC_2D_6X5_SRGB
     SurfaceCompression::None,       // Z32F
     SurfaceCompression::None,       // Z16
     SurfaceCompression::None,       // Z24S8

src/yuzu/configuration/configure_graphics.cpp

@@ -62,6 +62,8 @@ ConfigureGraphics::ConfigureGraphics(QWidget* parent)
         }
         UpdateBackgroundColorButton(new_bg_color);
     });
+    connect(ui->brightness_reset, &QPushButton::pressed, this,
+            [this] { ui->brightness_slider->setValue(100); });
 }
 
 ConfigureGraphics::~ConfigureGraphics() = default;
@@ -80,6 +82,7 @@ void ConfigureGraphics::SetConfiguration() {
     ui->force_30fps_mode->setChecked(Settings::values.force_30fps_mode);
     UpdateBackgroundColorButton(QColor::fromRgbF(Settings::values.bg_red, Settings::values.bg_green,
                                                  Settings::values.bg_blue));
+    ui->brightness_slider->setValue(Settings::values.backlight_brightness * 100 + 50);
 }
 
 void ConfigureGraphics::ApplyConfiguration() {
@@ -93,6 +96,7 @@ void ConfigureGraphics::ApplyConfiguration() {
     Settings::values.bg_red = static_cast<float>(bg_color.redF());
     Settings::values.bg_green = static_cast<float>(bg_color.greenF());
     Settings::values.bg_blue = static_cast<float>(bg_color.blueF());
+    Settings::values.backlight_brightness = (ui->brightness_slider->value() - 50.0f) / 100.0f;
 }
 
 void ConfigureGraphics::changeEvent(QEvent* event) {

src/yuzu/configuration/configure_graphics.ui

@@ -111,6 +111,68 @@
           </item>
          </layout>
         </item>
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_3">
+          <item>
+           <widget class="QLabel" name="label_2">
+            <property name="text">
+             <string>Brightness</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <spacer name="horizontalSpacer">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>40</width>
+              <height>20</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
+          <item>
+           <widget class="QSlider" name="brightness_slider">
+            <property name="minimum">
+             <number>50</number>
+            </property>
+            <property name="maximum">
+             <number>150</number>
+            </property>
+            <property name="singleStep">
+             <number>10</number>
+            </property>
+            <property name="pageStep">
+             <number>20</number>
+            </property>
+            <property name="value">
+             <number>100</number>
+            </property>
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+            <property name="tickPosition">
+             <enum>QSlider::NoTicks</enum>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="brightness_reset">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="text">
+             <string>Reset</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
        </layout>
       </widget>
      </item>

src/yuzu/debugger/wait_tree.cpp

@@ -66,10 +66,7 @@ std::vector<std::unique_ptr<WaitTreeThread>> WaitTreeItem::MakeThreadItemList()
     };
 
     const auto& system = Core::System::GetInstance();
-    add_threads(system.Scheduler(0).GetThreadList());
-    add_threads(system.Scheduler(1).GetThreadList());
-    add_threads(system.Scheduler(2).GetThreadList());
-    add_threads(system.Scheduler(3).GetThreadList());
+    add_threads(system.GlobalScheduler().GetThreadList());
 
     return item_list;
 }