101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
// Copyright 2015 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include "common/common_types.h"
|
|
#include "core/core_timing.h"
|
|
#include "core/hle/kernel/object.h"
|
|
#include "core/hle/kernel/wait_object.h"
|
|
|
|
namespace Kernel {
|
|
|
|
class TimerManager {
|
|
public:
|
|
TimerManager();
|
|
|
|
private:
|
|
/// The timer callback event, called when a timer is fired
|
|
void TimerCallback(u64 callback_id, s64 cycles_late);
|
|
|
|
/// The event type of the generic timer callback event
|
|
CoreTiming::EventType* timer_callback_event_type = nullptr;
|
|
|
|
u64 next_timer_callback_id = 0;
|
|
std::unordered_map<u64, Timer*> timer_callback_table;
|
|
|
|
friend class Timer;
|
|
friend class KernelSystem;
|
|
};
|
|
|
|
class Timer final : public WaitObject {
|
|
public:
|
|
std::string GetTypeName() const override {
|
|
return "Timer";
|
|
}
|
|
std::string GetName() const override {
|
|
return name;
|
|
}
|
|
|
|
static const HandleType HANDLE_TYPE = HandleType::Timer;
|
|
HandleType GetHandleType() const override {
|
|
return HANDLE_TYPE;
|
|
}
|
|
|
|
ResetType GetResetType() const {
|
|
return reset_type;
|
|
}
|
|
|
|
u64 GetInitialDelay() const {
|
|
return initial_delay;
|
|
}
|
|
|
|
u64 GetIntervalDelay() const {
|
|
return interval_delay;
|
|
}
|
|
|
|
bool ShouldWait(Thread* thread) const override;
|
|
void Acquire(Thread* thread) override;
|
|
|
|
void WakeupAllWaitingThreads() override;
|
|
|
|
/**
|
|
* Starts the timer, with the specified initial delay and interval.
|
|
* @param initial Delay until the timer is first fired
|
|
* @param interval Delay until the timer is fired after the first time
|
|
*/
|
|
void Set(s64 initial, s64 interval);
|
|
|
|
void Cancel();
|
|
void Clear();
|
|
|
|
/**
|
|
* Signals the timer, waking up any waiting threads and rescheduling it
|
|
* for the next interval.
|
|
* This method should not be called from outside the timer callback handler,
|
|
* lest multiple callback events get scheduled.
|
|
*/
|
|
void Signal(s64 cycles_late);
|
|
|
|
private:
|
|
explicit Timer(KernelSystem& kernel);
|
|
~Timer() override;
|
|
|
|
ResetType reset_type; ///< The ResetType of this timer
|
|
|
|
u64 initial_delay; ///< The delay until the timer fires for the first time
|
|
u64 interval_delay; ///< The delay until the timer fires after the first time
|
|
|
|
bool signaled; ///< Whether the timer has been signaled or not
|
|
std::string name; ///< Name of timer (optional)
|
|
|
|
/// ID used as userdata to reference this object when inserting into the CoreTiming queue.
|
|
u64 callback_id;
|
|
|
|
TimerManager& timer_manager;
|
|
|
|
friend class KernelSystem;
|
|
};
|
|
|
|
} // namespace Kernel
|