[src/netbsd-1-4]: src/sys/arch/powerpc/powerpc Pull up revision 1.24 (request...

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

details:   https://anonhg.NetBSD.org/src/rev/1572cb667821
branches:  netbsd-1-4
changeset: 469614:1572cb667821
user:      he <he%NetBSD.org@localhost>
date:      Wed Oct 20 22:56:05 1999 +0000

description:
Pull up revision 1.24 (requested by tsubai):
  Make sure we only use addresses inside the available memory region
  in pmap_bootstrap.

diffstat:

 sys/arch/powerpc/powerpc/pmap.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (22 lines):

diff -r 2a8ff38d8ff3 -r 1572cb667821 sys/arch/powerpc/powerpc/pmap.c
--- a/sys/arch/powerpc/powerpc/pmap.c   Wed Oct 20 22:52:20 1999 +0000
+++ b/sys/arch/powerpc/powerpc/pmap.c   Wed Oct 20 22:56:05 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.19.2.1 1999/04/16 16:23:25 chs Exp $        */
+/*     $NetBSD: pmap.c,v 1.19.2.2 1999/10/20 22:56:05 he Exp $ */
 
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -367,8 +367,10 @@
                /*
                 * Now page align the start and size of the region.
                 */
-               s = s & ~PGOFSET;
-               e = e & ~PGOFSET;
+               s = round_page(s);
+               e = trunc_page(e);
+               if (e < s)
+                       e = s;
                sz = e - s;
                /*
                 * Check whether some memory is left here.