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Kernel: Move x86-specific timer code handling to Arch/x86/Time directory

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The APICTimer, HPET and RTC (the RTC timer is in the context of the PC
RTC here) are timers that exist only in x86 platforms, therefore, we
move the handling code and the initialization code to the Arch/x86/Time
directory. Other related code patterns in the TimeManagement singleton
and in the Random.cpp file are guarded with #ifdef to ensure they are
only compiled for x86 builds.
This commit is contained in:
Liav A 2022-09-23 11:41:59 +03:00 • committed by Linus Groh
parent 48f3d762af
commit fe2bd8e3dd
16 changed files with 51 additions and 33 deletions
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36
Kernel/Arch/x86/Time/RTC.h Normal file
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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Arch/x86/common/RTC.h>
#include <Kernel/Library/NonnullLockRefPtr.h>
#include <Kernel/Time/HardwareTimer.h>
namespace Kernel {
class RealTimeClock final : public HardwareTimer<IRQHandler> {
public:
static NonnullLockRefPtr<RealTimeClock> create(Function<void(RegisterState const&)> callback);
virtual HardwareTimerType timer_type() const override { return HardwareTimerType::RTC; }
virtual StringView model() const override { return "Real Time Clock"sv; }
virtual size_t ticks_per_second() const override;
virtual bool is_periodic() const override { return true; }
virtual bool is_periodic_capable() const override { return true; }
virtual void set_periodic() override { }
virtual void set_non_periodic() override { }
virtual void disable() override { }
virtual void reset_to_default_ticks_per_second() override;
virtual bool try_to_set_frequency(size_t frequency) override;
virtual bool is_capable_of_frequency(size_t frequency) const override;
virtual size_t calculate_nearest_possible_frequency(size_t frequency) const override;
private:
explicit RealTimeClock(Function<void(RegisterState const&)> callback);
virtual bool handle_irq(RegisterState const&) override;
};
}