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b91df26d4a
If we are in a shared interrupt handler, the called handlers might indicate it was not their interrupt, so we should not increment the call counter of these handlers.
37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
/*
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* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/NonnullRefPtr.h>
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#include <Kernel/RTC.h>
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#include <Kernel/Time/HardwareTimer.h>
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namespace Kernel {
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class RealTimeClock final : public HardwareTimer<IRQHandler> {
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public:
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static NonnullRefPtr<RealTimeClock> create(Function<void(const RegisterState&)> callback);
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virtual HardwareTimerType timer_type() const override { return HardwareTimerType::RTC; }
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virtual const char* model() const override { return "Real Time Clock"; }
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virtual size_t ticks_per_second() const override;
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virtual bool is_periodic() const override { return true; }
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virtual bool is_periodic_capable() const override { return true; }
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virtual void set_periodic() override { }
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virtual void set_non_periodic() override { }
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virtual void disable() override { }
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virtual void reset_to_default_ticks_per_second() override;
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virtual bool try_to_set_frequency(size_t frequency) override;
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virtual bool is_capable_of_frequency(size_t frequency) const override;
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virtual size_t calculate_nearest_possible_frequency(size_t frequency) const override;
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private:
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explicit RealTimeClock(Function<void(const RegisterState&)> callback);
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virtual bool handle_irq(const RegisterState&) override;
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};
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}
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