osfmk/i386/rtclock.c

80 uint64_t	tsc_rebase_abs_time = 0;
82 static void	rtc_set_timescale(uint64_t cycles);
83 static uint64_t	rtc_export_speed(uint64_t cycles);
95 _absolutetime_to_microtime(uint64_t abstime, clock_sec_t *secs, clock_usec_t *microsecs)
108 	*secs = abstime / (uint64_t)NSEC_PER_SEC;
109 	remain = (uint32_t)(abstime % (uint64_t)NSEC_PER_SEC);
118 _absolutetime_to_nanotime(uint64_t abstime, clock_sec_t *secs, clock_usec_t *nanosecs)
126 	*secs = abstime / (uint64_t)NSEC_PER_SEC;
127 	*nanosecs = (clock_usec_t)(abstime % (uint64_t)NSEC_PER_SEC);
179 _rtc_nanotime_init(pal_rtc_nanotime_t *rntp, uint64_t base)
181 	uint64_t	tsc = rdtsc64();
187 rtc_nanotime_init(uint64_t base)
215 static inline uint64_t
229 rtc_clock_napped(uint64_t base, uint64_t tsc_base)
232 	uint64_t	oldnsecs;
233 	uint64_t	newnsecs;
234 	uint64_t	tsc;
259 rtc_clock_adjust(uint64_t tsc_base_delta)
294 	uint64_t		base)
314 	uint64_t	cycles;
352 rtc_set_timescale(uint64_t cycles)
367 	rntp->scale = (uint32_t)(((uint64_t)NSEC_PER_SEC << 32) / cycles);
377 static uint64_t
378 rtc_export_speed(uint64_t cyc_per_sec)
380 	uint64_t	cycles;
406 	uint64_t	now = rtc_nanotime_read();
416 	uint64_t	now = rtc_nanotime_read();
423 	uint64_t				abstime,
424 	uint64_t				epoch,
425 	uint64_t				offset,
429 	uint64_t	now = abstime + offset;
453         uint64_t	rip;
486 uint64_t
488 	uint64_t time)
490 	uint64_t	now;
491 	uint64_t	pop;
510 uint64_t
520 	uint64_t		*result)
522 	*result = (uint64_t)interval * scale_factor;
527 	uint64_t			abstime,
536 	uint64_t			abstime,
547 	uint64_t			*result)
549 	*result = ((uint64_t)secs * NSEC_PER_SEC) + nanosecs;
554 	uint64_t		abstime,
555 	uint64_t		*result)
562 	uint64_t		nanoseconds,
563 	uint64_t		*result)
570         uint64_t interval,
571         uint64_t                deadline)