[src/trunk]: src/sys/arch/arm32/iomd Don't try and calculate the time in micr...

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

details:   https://anonhg.NetBSD.org/src/rev/a8f2e6a38ecc
branches:  trunk
changeset: 472077:a8f2e6a38ecc
user:      mark <mark%NetBSD.org@localhost>
date:      Tue Apr 20 09:14:32 1999 +0000

description:
Don't try and calculate the time in microtime() unless cpu_initclocks()
has already been called and thus we know the values the timers are using.
This also ensures that clock_sc will always be valid when we try and use
it to read the timer registers.
Fixes PR7357.

diffstat:

 sys/arch/arm32/iomd/iomd_clock.c |  5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diffs (19 lines):

diff -r 231149a339d3 -r a8f2e6a38ecc sys/arch/arm32/iomd/iomd_clock.c
--- a/sys/arch/arm32/iomd/iomd_clock.c  Tue Apr 20 08:05:51 1999 +0000
+++ b/sys/arch/arm32/iomd/iomd_clock.c  Tue Apr 20 09:14:32 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: iomd_clock.c,v 1.18 1998/06/02 21:57:58 mark Exp $     */
+/*     $NetBSD: iomd_clock.c,v 1.19 1999/04/20 09:14:32 mark Exp $     */
 
 /*
  * Copyright (c) 1994-1997 Mark Brinicombe.
@@ -262,6 +262,9 @@
        int deltatm;
        static struct timeval oldtv;
 
+       if (timer0_count == 0)
+               return;
+
        s = splhigh();
 
        /*