diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/powerpc/powerpc/pmap.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/sys/arch/powerpc/powerpc/pmap.c b/sys/arch/powerpc/powerpc/pmap.c index f79e8a620ca..756e02d47a2 100644 --- a/sys/arch/powerpc/powerpc/pmap.c +++ b/sys/arch/powerpc/powerpc/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.19 2000/07/28 13:02:12 rahnds Exp $ */ +/* $OpenBSD: pmap.c,v 1.20 2000/10/24 02:05:36 drahn Exp $ */ /* $NetBSD: pmap.c,v 1.1 1996/09/30 16:34:52 ws Exp $ */ /* @@ -351,6 +351,18 @@ pmap_bootstrap(kernelstart, kernelend) */ kernelstart &= ~PGOFSET; kernelend = (kernelend + PGOFSET) & ~PGOFSET; + + /* make certain that each section is page aligned for base and size */ + for (mp = avail; mp->size; mp++) { + u_int32_t end; + s = mp->start - round_page(mp->start); + if (s != 0) { + mp->start = round_page(mp->start); + end = trunc_page(mp->size + mp->start); + mp->size = end - mp->start; + } + mp->size = trunc_page(mp->size); + } for (mp = avail; mp->size; mp++) { /* * Check whether this region holds all of the kernel. @@ -479,7 +491,7 @@ avail_end = npgs * NBPG; potable = (struct pte_ovtab *)mp->start; mp->size -= sz; mp->start += sz; - if (mp->size <= 0) + if (mp->size == 0) bcopy(mp + 1, mp, (cnt - (mp - avail)) * sizeof *mp); for (i = 0; i < ptab_cnt; i++) LIST_INIT(potable + i); |