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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
#pragma once
#include <ArchKit/ArchKit.h>
#include <KernelKit/KPC.h>
namespace Kernel
{
class SoftwareTimer;
class TimerInterface;
inline constexpr Int16 kTimeUnit = 1000;
class TimerInterface
{
public:
/// @brief Default constructor
explicit TimerInterface() = default;
virtual ~TimerInterface() = default;
public:
NE_COPY_DEFAULT(TimerInterface)
public:
virtual BOOL Wait() noexcept;
};
class SoftwareTimer final : public TimerInterface
{
public:
explicit SoftwareTimer(Int64 seconds);
~SoftwareTimer() override;
public:
NE_COPY_DEFAULT(SoftwareTimer)
public:
BOOL Wait() noexcept override;
private:
UIntPtr* fDigitalTimer{nullptr};
Int64 fWaitFor{0};
};
class HardwareTimer final : public TimerInterface
{
public:
explicit HardwareTimer(UInt64 seconds);
~HardwareTimer() override;
public:
NE_COPY_DEFAULT(HardwareTimer)
public:
BOOL Wait() noexcept override;
private:
UIntPtr* fDigitalTimer{nullptr};
Int64 fWaitFor{0};
};
inline Int64 rtl_ms(Int64 time)
{
if (time < 0)
return 0;
// TODO: nanoseconds maybe?
return kTimeUnit * kTimeUnit * time;
}
inline Int64 rtl_seconds(Int64 time)
{
if (time < 0)
return 0;
return kTimeUnit * rtl_ms(time);
}
} // namespace Kernel
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