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Kernel: Implemented Pulse event and timers.

Closes #1904
This commit is contained in:
Subv 2017-01-01 19:23:19 -05:00
parent 0b897c45d2
commit e52ca85711
5 changed files with 20 additions and 13 deletions

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@ -22,11 +22,6 @@ SharedPtr<Event> Event::Create(ResetType reset_type, std::string name) {
evt->reset_type = reset_type; evt->reset_type = reset_type;
evt->name = std::move(name); evt->name = std::move(name);
if (reset_type == ResetType::Pulse) {
LOG_ERROR(Kernel, "Unimplemented event reset type Pulse");
UNIMPLEMENTED();
}
return evt; return evt;
} }
@ -37,8 +32,7 @@ bool Event::ShouldWait() {
void Event::Acquire() { void Event::Acquire() {
ASSERT_MSG(!ShouldWait(), "object unavailable!"); ASSERT_MSG(!ShouldWait(), "object unavailable!");
// Release the event if it's not sticky... if (reset_type == ResetType::OneShot)
if (reset_type != ResetType::Sticky)
signaled = false; signaled = false;
} }
@ -51,4 +45,11 @@ void Event::Clear() {
signaled = false; signaled = false;
} }
void Event::WakeupAllWaitingThreads() {
WaitObject::WakeupAllWaitingThreads();
if (reset_type == ResetType::Pulse)
signaled = false;
}
} // namespace } // namespace

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@ -38,6 +38,8 @@ public:
bool ShouldWait() override; bool ShouldWait() override;
void Acquire() override; void Acquire() override;
void WakeupAllWaitingThreads() override;
void Signal(); void Signal();
void Clear(); void Clear();

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@ -156,7 +156,7 @@ public:
* Wake up all threads waiting on this object that can be awoken, in priority order, * Wake up all threads waiting on this object that can be awoken, in priority order,
* and set the synchronization result and output of the thread. * and set the synchronization result and output of the thread.
*/ */
void WakeupAllWaitingThreads(); virtual void WakeupAllWaitingThreads();
/// Obtains the highest priority thread that is ready to run from this object's waiting list. /// Obtains the highest priority thread that is ready to run from this object's waiting list.
SharedPtr<Thread> GetHighestPriorityReadyThread(); SharedPtr<Thread> GetHighestPriorityReadyThread();

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@ -31,11 +31,6 @@ SharedPtr<Timer> Timer::Create(ResetType reset_type, std::string name) {
timer->interval_delay = 0; timer->interval_delay = 0;
timer->callback_handle = timer_callback_handle_table.Create(timer).MoveFrom(); timer->callback_handle = timer_callback_handle_table.Create(timer).MoveFrom();
if (reset_type == ResetType::Pulse) {
LOG_ERROR(Kernel, "Unimplemented timer reset type Pulse");
UNIMPLEMENTED();
}
return timer; return timer;
} }
@ -70,6 +65,13 @@ void Timer::Clear() {
signaled = false; signaled = false;
} }
void Timer::WakeupAllWaitingThreads() {
WaitObject::WakeupAllWaitingThreads();
if (reset_type == ResetType::Pulse)
signaled = false;
}
/// The timer callback event, called when a timer is fired /// The timer callback event, called when a timer is fired
static void TimerCallback(u64 timer_handle, int cycles_late) { static void TimerCallback(u64 timer_handle, int cycles_late) {
SharedPtr<Timer> timer = SharedPtr<Timer> timer =

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@ -42,6 +42,8 @@ public:
bool ShouldWait() override; bool ShouldWait() override;
void Acquire() override; void Acquire() override;
void WakeupAllWaitingThreads() override;
/** /**
* Starts the timer, with the specified initial delay and interval. * Starts the timer, with the specified initial delay and interval.
* @param initial Delay until the timer is first fired * @param initial Delay until the timer is first fired