[src/trunk]: src/sys/arch/xen/xen use nanoseconds since boot counter for dela...

[cl <cl%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/797b447ab224
branches:  trunk
changeset: 565678:797b447ab224
user:      cl <cl%NetBSD.org@localhost>
date:      Sat Apr 17 21:49:55 2004 +0000

description:
use nanoseconds since boot counter for delay routine

diffstat:

 sys/arch/xen/xen/clock.c |  17 ++++++-----------
 1 files changed, 6 insertions(+), 11 deletions(-)

diffs (48 lines):

diff -r 494bb1a87677 -r 797b447ab224 sys/arch/xen/xen/clock.c
--- a/sys/arch/xen/xen/clock.c  Sat Apr 17 18:55:35 2004 +0000
+++ b/sys/arch/xen/xen/clock.c  Sat Apr 17 21:49:55 2004 +0000
@@ -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 @@
 
 /* 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 @@
 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