[src/trunk]: src/sys/arch/vax/vax Don't substract KERNBASE, xor it to clear. ...

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

details:   https://anonhg.NetBSD.org/src/rev/7a712f397e34
branches:  trunk
changeset: 513605:7a712f397e34
user:      matt <matt%NetBSD.org@localhost>
date:      Sun Aug 05 06:14:22 2001 +0000

description:
Don't substract KERNBASE, xor it to clear.   The former causes GNU ld to
bitch about a signed overflow and this code is only done once, incurring
an extra instruction isn't going to matter much in the long run.

diffstat:

 sys/arch/vax/vax/pmap.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r cfc4c261323c -r 7a712f397e34 sys/arch/vax/vax/pmap.c
--- a/sys/arch/vax/vax/pmap.c   Sun Aug 05 06:10:25 2001 +0000
+++ b/sys/arch/vax/vax/pmap.c   Sun Aug 05 06:14:22 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.104 2001/06/30 12:54:34 ragge Exp $    */
+/*     $NetBSD: pmap.c,v 1.105 2001/08/05 06:14:22 matt Exp $     */
 /*
  * Copyright (c) 1994, 1998, 1999 Ludd, University of Lule}, Sweden.
  * All rights reserved.
@@ -246,7 +246,7 @@
         * There are also a couple of other things that must be in
         * physical memory and that isn't managed by the vm system.
         */
-       for (i = 0; i < ((unsigned)&etext - KERNBASE) >> VAX_PGSHIFT; i++)
+       for (i = 0; i < ((unsigned)&etext ^ KERNBASE) >> VAX_PGSHIFT; i++)
                Sysmap[i].pg_prot = PROT_URKW;
 
        /* Map System Page Table and zero it,  Sysmap already set. */