forked from Bananymous/banan-os
61 lines
1.3 KiB
C++
61 lines
1.3 KiB
C++
#pragma once
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#include <BAN/UniqPtr.h>
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#include <BAN/Vector.h>
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#include <kernel/Timer/RTC.h>
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#include <time.h>
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namespace Kernel
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{
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class Timer
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{
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public:
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virtual ~Timer() {};
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virtual uint64_t ms_since_boot() const = 0;
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virtual uint64_t ns_since_boot() const = 0;
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virtual timespec time_since_boot() const = 0;
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virtual void pre_scheduler_sleep_ns(uint64_t) = 0;
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void dont_invoke_scheduler() { m_should_invoke_scheduler = false; }
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protected:
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bool should_invoke_scheduler() const { return m_should_invoke_scheduler; }
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private:
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bool m_should_invoke_scheduler { true };
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};
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class SystemTimer : public Timer
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{
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public:
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static void initialize(bool force_pic);
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static SystemTimer& get();
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static bool is_initialized();
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virtual uint64_t ms_since_boot() const override;
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virtual uint64_t ns_since_boot() const override;
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virtual timespec time_since_boot() const override;
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virtual void pre_scheduler_sleep_ns(uint64_t) override;
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void sleep_ms(uint64_t ms) const { return sleep_ns(ms * 1'000'000); }
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void sleep_ns(uint64_t ns) const;
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timespec real_time() const;
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private:
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SystemTimer() = default;
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void initialize_timers(bool force_pic);
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private:
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uint64_t m_boot_time { 0 };
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BAN::UniqPtr<RTC> m_rtc;
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BAN::UniqPtr<Timer> m_timer;
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};
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}
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