[src/trunk]: src/sys/arch/evbppc/mpc85xx Use volatile when writing to NULL.

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

details:   https://anonhg.NetBSD.org/src/rev/3f372dea3949
branches:  trunk
changeset: 330893:3f372dea3949
user:      joerg <joerg%NetBSD.org@localhost>
date:      Thu Jul 24 23:30:38 2014 +0000

description:
Use volatile when writing to NULL.

diffstat:

 sys/arch/evbppc/mpc85xx/machdep.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 01c626b67b25 -r 3f372dea3949 sys/arch/evbppc/mpc85xx/machdep.c
--- a/sys/arch/evbppc/mpc85xx/machdep.c Thu Jul 24 23:29:02 2014 +0000
+++ b/sys/arch/evbppc/mpc85xx/machdep.c Thu Jul 24 23:30:38 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.31 2014/03/18 18:20:41 riastradh Exp $   */
+/*     $NetBSD: machdep.c,v 1.32 2014/07/24 23:30:38 joerg Exp $       */
 /*-
  * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -1183,7 +1183,7 @@
        /*
         * fill in with an absolute branch to a routine that will panic.
         */
-       *(int *)0 = 0x48000002 | (int) calltozero;
+       *(volatile int *)0 = 0x48000002 | (int) calltozero;
 
        /*
         * Get the cache sizes.