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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "core/hle/kernel/k_hardware_timer_base.h"
namespace Core::Timing {
struct EventType;
} // namespace Core::Timing
namespace Kernel {
class KHardwareTimer : /* public KInterruptTask, */ public KHardwareTimerBase {
public:
explicit KHardwareTimer(KernelCore& kernel) : KHardwareTimerBase{kernel} {}
// Public API.
void Initialize();
void Finalize();
s64 GetCount() const {
return GetTick();
}
void RegisterTask(KTimerTask* task, s64 time_from_now) {
this->RegisterAbsoluteTask(task, GetTick() + time_from_now);
}
void RegisterAbsoluteTask(KTimerTask* task, s64 task_time) {
KScopedDisableDispatch dd{m_kernel};
KScopedSpinLock lk{this->GetLock()};
if (this->RegisterAbsoluteTaskImpl(task, task_time)) {
if (task_time <= m_wakeup_time) {
this->EnableInterrupt(task_time);
}
}
}
private:
void EnableInterrupt(s64 wakeup_time);
void DisableInterrupt();
bool GetInterruptEnabled();
s64 GetTick() const;
void DoTask();
private:
// Absolute time in nanoseconds
s64 m_wakeup_time{std::numeric_limits<s64>::max()};
std::shared_ptr<Core::Timing::EventType> m_event_type{};
};
} // namespace Kernel
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