core_timing: Make use of uintptr_t to represent user_data

Makes the interface future-proofed for supporting other platforms in the event we ever support platforms with differing pointer sizes. This way, we have a type in place that is always guaranteed to be able to represent a pointer exactly.

src/core/hle/kernel/kernel.cpp

@@ -145,7 +145,7 @@ struct KernelCore::Impl {
 
     void InitializePreemption(KernelCore& kernel) {
         preemption_event = Core::Timing::CreateEvent(
-            "PreemptionCallback", [this, &kernel](u64, std::chrono::nanoseconds) {
+            "PreemptionCallback", [this, &kernel](std::uintptr_t, std::chrono::nanoseconds) {
                 {
                     SchedulerLock lock(kernel);
                     global_scheduler.PreemptThreads();

src/core/hle/kernel/server_session.cpp

@@ -33,8 +33,10 @@ ResultVal<std::shared_ptr<ServerSession>> ServerSession::Create(KernelCore& kern
                                                                 std::string name) {
     std::shared_ptr<ServerSession> session{std::make_shared<ServerSession>(kernel)};
 
-    session->request_event = Core::Timing::CreateEvent(
-        name, [session](u64, std::chrono::nanoseconds) { session->CompleteSyncRequest(); });
+    session->request_event =
+        Core::Timing::CreateEvent(name, [session](std::uintptr_t, std::chrono::nanoseconds) {
+            session->CompleteSyncRequest();
+        });
     session->name = std::move(name);
     session->parent = std::move(parent);
 

src/core/hle/kernel/time_manager.cpp

@@ -16,14 +16,14 @@ namespace Kernel {
 
 TimeManager::TimeManager(Core::System& system_) : system{system_} {
     time_manager_event_type = Core::Timing::CreateEvent(
-        "Kernel::TimeManagerCallback", [this](u64 thread_handle, std::chrono::nanoseconds) {
-            SchedulerLock lock(system.Kernel());
-            Handle proper_handle = static_cast<Handle>(thread_handle);
+        "Kernel::TimeManagerCallback",
+        [this](std::uintptr_t thread_handle, std::chrono::nanoseconds) {
+            const SchedulerLock lock(system.Kernel());
+            const auto proper_handle = static_cast<Handle>(thread_handle);
             if (cancelled_events[proper_handle]) {
                 return;
             }
-            std::shared_ptr<Thread> thread =
-                this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
+            auto thread = this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
             thread->OnWakeUp();
         });
 }

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

@@ -77,8 +77,9 @@ IAppletResource::IAppletResource(Core::System& system)
 
     // Register update callbacks
     pad_update_event = Core::Timing::CreateEvent(
-        "HID::UpdatePadCallback", [this](u64 userdata, std::chrono::nanoseconds ns_late) {
-            UpdateControllers(userdata, ns_late);
+        "HID::UpdatePadCallback",
+        [this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
+            UpdateControllers(user_data, ns_late);
         });
 
     // TODO(shinyquagsire23): Other update callbacks? (accel, gyro?)
@@ -108,7 +109,8 @@ void IAppletResource::GetSharedMemoryHandle(Kernel::HLERequestContext& ctx) {
     rb.PushCopyObjects(shared_mem);
 }
 
-void IAppletResource::UpdateControllers(u64 userdata, std::chrono::nanoseconds ns_late) {
+void IAppletResource::UpdateControllers(std::uintptr_t user_data,
+                                        std::chrono::nanoseconds ns_late) {
     auto& core_timing = system.CoreTiming();
 
     const bool should_reload = Settings::values.is_device_reload_pending.exchange(false);

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

@@ -64,7 +64,7 @@ private:
     }
 
     void GetSharedMemoryHandle(Kernel::HLERequestContext& ctx);
-    void UpdateControllers(u64 userdata, std::chrono::nanoseconds ns_late);
+    void UpdateControllers(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
 
     std::shared_ptr<Kernel::SharedMemory> shared_mem;
 

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

@@ -67,7 +67,7 @@ NVFlinger::NVFlinger(Core::System& system) : system(system) {
 
     // Schedule the screen composition events
     composition_event = Core::Timing::CreateEvent(
-        "ScreenComposition", [this](u64, std::chrono::nanoseconds ns_late) {
+        "ScreenComposition", [this](std::uintptr_t, std::chrono::nanoseconds ns_late) {
             const auto guard = Lock();
             Compose();