timex.h File Reference

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Macros
#define	PRESCALE_FREQ   25000000
#define	PRESCALE_VALUE   1000
#define	CLOCK_TICK_RATE   25000 /* Underlying frequency of the HZ timer */
#define	TIMER0_FREQ   (CLOCK_TICK_RATE)
#define	TIMER0_CLKSEL   flexible
#define	TIMER0_DIV   (TIMER0_FREQ/(HZ))
#define	GET_JIFFIES_USEC()   ( (TIMER0_DIV - *R_TIMER0_DATA) * (1000000/HZ)/TIMER0_DIV )

Functions
unsigned long	get_ns_in_jiffie (void)

Macro Definition Documentation

#define CLOCK_TICK_RATE   25000 /* Underlying frequency of the HZ timer */

Definition at line 13 of file timex.h.

#define GET_JIFFIES_USEC

(

)

( (TIMER0_DIV - *R_TIMER0_DATA) * (1000000/HZ)/TIMER0_DIV )

Definition at line 20 of file timex.h.

#define PRESCALE_FREQ   25000000

Definition at line 11 of file timex.h.

#define PRESCALE_VALUE   1000

Definition at line 12 of file timex.h.

#define TIMER0_CLKSEL   flexible

Definition at line 16 of file timex.h.

#define TIMER0_DIV   (TIMER0_FREQ/(HZ))

Definition at line 17 of file timex.h.

#define TIMER0_FREQ   (CLOCK_TICK_RATE)

Definition at line 15 of file timex.h.

Function Documentation

unsigned long get_ns_in_jiffie

(

void

)

Definition at line 28 of file time.c.