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https://github.com/yuzu-emu/yuzu-android.git
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Timers: Immediately signal the timer if it was started with an initial value of 0.
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@ -52,9 +52,14 @@ void Timer::Set(s64 initial, s64 interval) {
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initial_delay = initial;
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initial_delay = initial;
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interval_delay = interval;
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interval_delay = interval;
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if (initial == 0) {
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// Immediately invoke the callback
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Signal(0);
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} else {
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u64 initial_microseconds = initial / 1000;
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u64 initial_microseconds = initial / 1000;
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CoreTiming::ScheduleEvent(usToCycles(initial_microseconds), timer_callback_event_type,
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CoreTiming::ScheduleEvent(usToCycles(initial_microseconds), timer_callback_event_type,
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callback_handle);
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callback_handle);
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}
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}
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}
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void Timer::Cancel() {
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void Timer::Cancel() {
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@ -72,6 +77,20 @@ void Timer::WakeupAllWaitingThreads() {
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signaled = false;
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signaled = false;
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}
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}
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void Timer::Signal(int cycles_late) {
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LOG_TRACE(Kernel, "Timer %08" PRIx64 " fired", timer_handle);
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// Resume all waiting threads
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WakeupAllWaitingThreads();
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if (interval_delay != 0) {
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// Reschedule the timer with the interval delay
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u64 interval_microseconds = interval_delay / 1000;
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CoreTiming::ScheduleEvent(usToCycles(interval_microseconds) - cycles_late,
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timer_callback_event_type, callback_handle);
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}
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}
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/// The timer callback event, called when a timer is fired
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/// The timer callback event, called when a timer is fired
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static void TimerCallback(u64 timer_handle, int cycles_late) {
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static void TimerCallback(u64 timer_handle, int cycles_late) {
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SharedPtr<Timer> timer =
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SharedPtr<Timer> timer =
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@ -82,19 +101,7 @@ static void TimerCallback(u64 timer_handle, int cycles_late) {
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return;
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return;
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}
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}
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LOG_TRACE(Kernel, "Timer %08" PRIx64 " fired", timer_handle);
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timer->Signal(cycles_late);
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timer->signaled = true;
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// Resume all waiting threads
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timer->WakeupAllWaitingThreads();
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if (timer->interval_delay != 0) {
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// Reschedule the timer with the interval delay
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u64 interval_microseconds = timer->interval_delay / 1000;
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CoreTiming::ScheduleEvent(usToCycles(interval_microseconds) - cycles_late,
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timer_callback_event_type, timer_handle);
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}
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}
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}
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void TimersInit() {
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void TimersInit() {
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@ -54,6 +54,14 @@ public:
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void Cancel();
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void Cancel();
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void Clear();
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void Clear();
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/**
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* Signals the timer, waking up any waiting threads and rescheduling it
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* for the next interval.
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* This method should not be called from outside the timer callback handler,
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* lest multiple callback events get scheduled.
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*/
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void Signal(int cycles_late);
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private:
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private:
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Timer();
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Timer();
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~Timer() override;
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~Timer() override;
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