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Update timing implementation

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This commit is contained in:
Alex
2023-04-23 05:30:58 +03:00
parent 7e201e0958
commit 89d747e52c
10 changed files with 308 additions and 117 deletions
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82
include/time.hpp
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@ -19,6 +19,7 @@
#define __FENNIX_KERNEL_TIME_H__
#include <types.h>
#include <debug.h>
namespace Time
{
@ -31,7 +32,22 @@ namespace Time
Clock ReadClock();
Clock ConvertFromUnix(int Timestamp);
class time
enum Units
{
Femtoseconds,
Picoseconds,
Nanoseconds,
Microseconds,
Milliseconds,
Seconds,
Minutes,
Hours,
Days,
Months,
Years
};
class HighPrecisionEventTimer
{
private:
struct HPET
@ -47,14 +63,70 @@ namespace Time
uint64_t Reserved4;
};
void *acpi;
void *hpet;
uint32_t clk = 0;
HPET *hpet;
uint64_t ConvertUnit(Units Unit)
{
switch (Unit)
{
case Femtoseconds:
return 1;
case Picoseconds:
return 1000;
case Nanoseconds:
return 1000000;
case Microseconds:
return 1000000000;
case Milliseconds:
return 1000000000000;
case Seconds:
return 1000000000000000;
case Minutes:
return 1000000000000000000;
// case Hours:
// return 1000000000000000000000;
// case Days:
// return 1000000000000000000000000;
// case Months:
// return 1000000000000000000000000000;
// case Years:
// return 1000000000000000000000000000000;
default:
error("Invalid time unit %d", Unit);
return 1;
}
}
public:
void Sleep(uint64_t Milliseconds);
bool Sleep(uint64_t Duration, Units Unit);
uint64_t GetCounter();
uint64_t CalculateTarget(uint64_t Milliseconds);
uint64_t CalculateTarget(uint64_t Target, Units Unit);
HighPrecisionEventTimer(void *hpet);
~HighPrecisionEventTimer();
};
class time
{
private:
enum _ActiveTimer
{
NONE,
RTC,
PIT,
HPET,
ACPI,
APIC,
TSC,
} ActiveTimer = NONE;
HighPrecisionEventTimer *hpet;
public:
bool Sleep(uint64_t Duration, Units Unit);
uint64_t GetCounter();
uint64_t CalculateTarget(uint64_t Target, Units Unit);
time(void *acpi);
~time();
};