early-access version 3241

README.md

@@ -1,7 +1,7 @@
 yuzu emulator early access
 =============
 
-This is the source code for early-access 3240.
+This is the source code for early-access 3241.
 
 ## Legal Notice
 

dist/yuzu.svg

@@ -1 +1 @@
-<svg id="svg815" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 614.4 682.67"><defs><style>.cls-1{fill:none;}.cls-2{clip-path:url(#clip-path);}.cls-3{fill:#ff3c28;}.cls-4{fill:#0ab9e6;}</style><clipPath id="clip-path"><rect class="cls-1" x="-43" y="-46.67" width="699.6" height="777.33"/></clipPath></defs><title>Artboard 1</title><g id="g823"><g id="right"><g class="cls-2"><g id="g827"><g id="g833"><path id="path835" class="cls-3" d="M340.81,138V682.08c150.26,0,272.06-121.81,272.06-272.06S491.07,138,340.81,138M394,197.55a219.06,219.06,0,0,1,0,424.94V197.55"/></g></g></g></g><g id="left"><g class="cls-2"><g id="g839"><g id="g845"><path id="path847" class="cls-4" d="M272.79,1.92C122.53,1.92.73,123.73.73,274s121.8,272.07,272.06,272.07ZM219.65,61.51v425A219,219,0,0,1,118,119.18,217.51,217.51,0,0,1,219.65,61.51"/></g></g></g></g></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 612.15 680.17"><defs><style>.cls-1{fill:#c6c6c6;}.cls-2{fill:#ffdc00;}</style></defs><title>newAsset 7</title><g id="Layer_2" data-name="Layer 2"><g id="Layer_1-2" data-name="Layer 1"><g id="g823"><g id="right"><g id="g827"><g id="g833"><path id="path835" class="cls-1" d="M340.08,136V680.17c150.26,0,272.07-121.81,272.07-272.07S490.34,136,340.08,136m53.14,59.6a219.06,219.06,0,0,1,0,424.94V195.63"/></g></g></g><g id="left"><g id="g839"><g id="g845"><path id="path847" class="cls-2" d="M272.07,0C121.81,0,0,121.81,0,272.07S121.81,544.13,272.07,544.13ZM218.93,59.6V484.54A219,219,0,0,1,117.26,117.26,217.44,217.44,0,0,1,218.93,59.6"/></g></g></g></g></g></g></svg>

src/core/hle/service/time/clock_types.h

@@ -49,6 +49,7 @@ struct SteadyClockContext {
 static_assert(sizeof(SteadyClockContext) == 0x18, "SteadyClockContext is incorrect size");
 static_assert(std::is_trivially_copyable_v<SteadyClockContext>,
               "SteadyClockContext must be trivially copyable");
+using StandardSteadyClockTimePointType = SteadyClockContext;
 
 struct SystemClockContext {
     s64 offset;

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

@@ -26,23 +26,24 @@ void SharedMemory::SetupStandardSteadyClock(const Common::UUID& clock_source_id,
     const Clock::SteadyClockContext context{
         static_cast<u64>(current_time_point.nanoseconds - ticks_time_span.nanoseconds),
         clock_source_id};
-    shared_memory_format.standard_steady_clock_timepoint.StoreData(
+    StoreToLockFreeAtomicType(&GetFormat()->standard_steady_clock_timepoint, context);
-        system.Kernel().GetTimeSharedMem().GetPointer(), context);
 }
 
 void SharedMemory::UpdateLocalSystemClockContext(const Clock::SystemClockContext& context) {
-    shared_memory_format.standard_local_system_clock_context.StoreData(
+    StoreToLockFreeAtomicType(&GetFormat()->standard_local_system_clock_context, context);
-        system.Kernel().GetTimeSharedMem().GetPointer(), context);
 }
 
 void SharedMemory::UpdateNetworkSystemClockContext(const Clock::SystemClockContext& context) {
-    shared_memory_format.standard_network_system_clock_context.StoreData(
+    StoreToLockFreeAtomicType(&GetFormat()->standard_network_system_clock_context, context);
-        system.Kernel().GetTimeSharedMem().GetPointer(), context);
 }
 
 void SharedMemory::SetAutomaticCorrectionEnabled(bool is_enabled) {
-    shared_memory_format.standard_user_system_clock_automatic_correction.StoreData(
+    StoreToLockFreeAtomicType(
-        system.Kernel().GetTimeSharedMem().GetPointer(), is_enabled);
+        &GetFormat()->is_standard_user_system_clock_automatic_correction_enabled, is_enabled);
+}
+
+SharedMemory::Format* SharedMemory::GetFormat() {
+    return reinterpret_cast<SharedMemory::Format*>(system.Kernel().GetTimeSharedMem().GetPointer());
 }
 
 } // namespace Service::Time

src/core/hle/service/time/time_sharedmemory.h

@@ -10,45 +10,68 @@
 
 namespace Service::Time {
 
+// Note: this type is not safe for concurrent writes.
+template <typename T>
+struct LockFreeAtomicType {
+    u32 counter_;
+    std::array<T, 2> value_;
+};
+
+template <typename T>
+static inline void StoreToLockFreeAtomicType(LockFreeAtomicType<T>* p, const T& value) {
+    // Get the current counter.
+    auto counter = p->counter_;
+
+    // Increment the counter.
+    ++counter;
+
+    // Store the updated value.
+    p->value_[counter % 2] = value;
+
+    // Fence memory.
+    std::atomic_thread_fence(std::memory_order_release);
+
+    // Set the updated counter.
+    p->counter_ = counter;
+}
+
+template <typename T>
+static inline T LoadFromLockFreeAtomicType(const LockFreeAtomicType<T>* p) {
+    while (true) {
+        // Get the counter.
+        auto counter = p->counter_;
+
+        // Get the value.
+        auto value = p->value_[counter % 2];
+
+        // Fence memory.
+        std::atomic_thread_fence(std::memory_order_acquire);
+
+        // Check that the counter matches.
+        if (counter == p->counter_) {
+            return value;
+        }
+    }
+}
+
 class SharedMemory final {
 public:
     explicit SharedMemory(Core::System& system_);
     ~SharedMemory();
 
-    // TODO(ogniK): We have to properly simulate memory barriers, how are we going to do this?
-    template <typename T, std::size_t Offset>
-    struct MemoryBarrier {
-        static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable");
-        u32_le read_attempt{};
-        std::array<T, 2> data{};
-
-        // These are not actually memory barriers at the moment as we don't have multicore and all
-        // HLE is mutexed. This will need to properly be implemented when we start updating the time
-        // points on threads. As of right now, we'll be updated both values synchronously and just
-        // incrementing the read_attempt to indicate that we waited.
-        void StoreData(u8* shared_memory, T data_to_store) {
-            std::memcpy(this, shared_memory + Offset, sizeof(*this));
-            read_attempt++;
-            data[read_attempt & 1] = data_to_store;
-            std::memcpy(shared_memory + Offset, this, sizeof(*this));
-        }
-
-        // For reading we're just going to read the last stored value. If there was no value stored
-        // it will just end up reading an empty value as intended.
-        T ReadData(u8* shared_memory) {
-            std::memcpy(this, shared_memory + Offset, sizeof(*this));
-            return data[(read_attempt - 1) & 1];
-        }
-    };
-
     // Shared memory format
     struct Format {
-        MemoryBarrier<Clock::SteadyClockContext, 0x0> standard_steady_clock_timepoint;
+        LockFreeAtomicType<Clock::StandardSteadyClockTimePointType> standard_steady_clock_timepoint;
-        MemoryBarrier<Clock::SystemClockContext, 0x38> standard_local_system_clock_context;
+        LockFreeAtomicType<Clock::SystemClockContext> standard_local_system_clock_context;
-        MemoryBarrier<Clock::SystemClockContext, 0x80> standard_network_system_clock_context;
+        LockFreeAtomicType<Clock::SystemClockContext> standard_network_system_clock_context;
-        MemoryBarrier<bool, 0xc8> standard_user_system_clock_automatic_correction;
+        LockFreeAtomicType<bool> is_standard_user_system_clock_automatic_correction_enabled;
-        u32_le format_version;
+        u32 format_version;
     };
+    static_assert(offsetof(Format, standard_steady_clock_timepoint) == 0x0);
+    static_assert(offsetof(Format, standard_local_system_clock_context) == 0x38);
+    static_assert(offsetof(Format, standard_network_system_clock_context) == 0x80);
+    static_assert(offsetof(Format, is_standard_user_system_clock_automatic_correction_enabled) ==
+                  0xc8);
     static_assert(sizeof(Format) == 0xd8, "Format is an invalid size");
 
     void SetupStandardSteadyClock(const Common::UUID& clock_source_id,
@@ -56,10 +79,10 @@ public:
     void UpdateLocalSystemClockContext(const Clock::SystemClockContext& context);
     void UpdateNetworkSystemClockContext(const Clock::SystemClockContext& context);
     void SetAutomaticCorrectionEnabled(bool is_enabled);
+    Format* GetFormat();
 
 private:
     Core::System& system;
-    Format shared_memory_format{};
 };
 
 } // namespace Service::Time

src/yuzu/bootmanager.cpp

@@ -78,7 +78,6 @@ void EmuThread::run() {
     gpu.Start();
 
     m_system.GetCpuManager().OnGpuReady();
-    m_system.RegisterExitCallback([this] { m_stop_source.request_stop(); });
 
     if (m_system.DebuggerEnabled()) {
         m_system.InitializeDebugger();

src/yuzu/discord_impl.cpp

@@ -38,7 +38,7 @@ void DiscordImpl::Update() {
         system.GetAppLoader().ReadTitle(title);
     }
     DiscordRichPresence presence{};
-    presence.largeImageKey = "yuzu_logo";
+    presence.largeImageKey = "yuzu_logo_ea";
     presence.largeImageText = "yuzu is an emulator for the Nintendo Switch";
     if (system.IsPoweredOn()) {
         presence.state = title.c_str();

src/yuzu/main.cpp

@@ -1710,6 +1710,11 @@ void GMainWindow::BootGame(const QString& filename, u64 program_id, std::size_t
     system->RegisterExecuteProgramCallback(
         [this](std::size_t program_index_) { render_window->ExecuteProgram(program_index_); });
 
+    system->RegisterExitCallback([this] {
+        emu_thread->ForceStop();
+        render_window->Exit();
+    });
+
     connect(render_window, &GRenderWindow::Closed, this, &GMainWindow::OnStopGame);
     connect(render_window, &GRenderWindow::MouseActivity, this, &GMainWindow::OnMouseActivity);
     // BlockingQueuedConnection is important here, it makes sure we've finished refreshing our views
@@ -4177,6 +4182,10 @@ bool GMainWindow::ConfirmForceLockedExit() {
 }
 
 void GMainWindow::RequestGameExit() {
+    if (!system->IsPoweredOn()) {
+        return;
+    }
+
     auto& sm{system->ServiceManager()};
     auto applet_oe = sm.GetService<Service::AM::AppletOE>("appletOE");
     auto applet_ae = sm.GetService<Service::AM::AppletAE>("appletAE");