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use nanoseconds since boot counter for delay routine

This commit is contained in:
cl 2004-04-17 21:49:55 +00:00
parent bfc8238d29
commit 17292d12b3
1 changed files with 6 additions and 11 deletions
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17
sys/arch/xen/xen/clock.c
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@ -1,4 +1,4 @@
/* $NetBSD: clock.c,v 1.3 2004/04/17 12:50:45 cl Exp $ */
/* $NetBSD: clock.c,v 1.4 2004/04/17 21:49:55 cl Exp $ */
/*
*
@ -33,7 +33,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.3 2004/04/17 12:50:45 cl Exp $");
__KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.4 2004/04/17 21:49:55 cl Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -54,7 +54,7 @@ static int xen_timer_handler(void *, struct trapframe *);
/* These are peridically updated in shared_info, and then copied here. */
static unsigned long shadow_tsc_stamp;
static uint64_t shadow_system_time;
static u_int64_t shadow_system_time;
static unsigned long shadow_time_version;
static struct timeval shadow_tv;
@ -152,17 +152,12 @@ startrtclock()
void
xen_delay(int n)
{
long last;
u_int64_t when;
get_time_values_from_xen();
last = shadow_tv.tv_usec;
while (n > 0) {
when = shadow_system_time + n * 1000;
while (shadow_system_time < when)
get_time_values_from_xen();
while (last != shadow_tv.tv_usec) {
last++;
n--;
}
}
}
void