Make the machdep.i8254_freq and machdep.tsc_freq sysctls modify the

timecounter as well

Asked for by:	bde, jhay

1 files changed, 9 insertions, 3 deletions

diff --git a/sys/kern/kern_tc.c b/sys/kern/kern_tc.c
index 114a592..a1b7727 100644
--- a/sys/kern/kern_tc.c
+++ b/sys/kern/kern_tc.c
@@ -37,7 +37,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)kern_clock.c	8.5 (Berkeley) 1/21/94
- * $Id: kern_clock.c,v 1.92 1999/03/12 21:58:54 phk Exp $
+ * $Id: kern_clock.c,v 1.93 1999/04/02 13:57:21 phk Exp $
  */
 
 #include "opt_ntp.h"
@@ -656,13 +656,19 @@ tco_setscales(struct timecounter *tc)
 
 	scale = 1000000000LL << 32;
 	scale += tc->tc_adjustment;
-	scale /= tc->tc_frequency;
+	scale /= tc->tc_tweak->tc_frequency;
 	tc->tc_scale_micro = scale / 1000;
 	tc->tc_scale_nano_f = scale & 0xffffffff;
 	tc->tc_scale_nano_i = scale >> 32;
 }
 
 void
+update_timecounter(struct timecounter *tc)
+{
+	tco_setscales(tc);
+}
+
+void
 init_timecounter(struct timecounter *tc)
 {
 	struct timespec ts1;
@@ -670,9 +676,9 @@ init_timecounter(struct timecounter *tc)
 	int i;
 
 	tc->tc_adjustment = 0;
+	tc->tc_tweak = tc;
 	tco_setscales(tc);
 	tc->tc_offset_count = tc->tc_get_timecount(tc);
-	tc->tc_tweak = tc;
 	MALLOC(t1, struct timecounter *, sizeof *t1, M_TIMECOUNTER, M_WAITOK);
 	*t1 = *tc;
 	t2 = t1;