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Catch a couple more vector page mapping manipulations.

This commit is contained in:
thorpej 2002-04-04 02:06:46 +00:00
parent 605e664094
commit 263270d684
1 changed files with 8 additions and 6 deletions
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14
sys/arch/arm/arm32/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.76 2002/04/03 23:33:28 thorpej Exp $ */ /* $NetBSD: pmap.c,v 1.77 2002/04/04 02:06:46 thorpej Exp $ */
/* /*
* Copyright (c) 2002 Wasabi Systems, Inc. * Copyright (c) 2002 Wasabi Systems, Inc.
@ -143,7 +143,7 @@
#include <machine/param.h> #include <machine/param.h>
#include <arm/arm32/katelib.h> #include <arm/arm32/katelib.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.76 2002/04/03 23:33:28 thorpej Exp $"); __KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.77 2002/04/04 02:06:46 thorpej Exp $");
#ifdef PMAP_DEBUG #ifdef PMAP_DEBUG
#define PDEBUG(_lev_,_stat_) \ #define PDEBUG(_lev_,_stat_) \
if (pmap_debug_level >= (_lev_)) \ if (pmap_debug_level >= (_lev_)) \
@ -1544,9 +1544,11 @@ pmap_destroy(struct pmap *pmap)
LIST_REMOVE(pmap, pm_list); LIST_REMOVE(pmap, pm_list);
simple_unlock(&pmaps_lock); simple_unlock(&pmaps_lock);
/* Remove the zero page mapping */ if (vector_page < KERNEL_BASE) {
pmap_remove(pmap, 0x00000000, 0x00000000 + NBPG); /* Remove the vector page mapping */
pmap_update(pmap); pmap_remove(pmap, vector_page, vector_page + NBPG);
pmap_update(pmap);
}
/* /*
* Free any page tables still mapped * Free any page tables still mapped
@ -2637,7 +2639,7 @@ pmap_enter(struct pmap *pmap, vaddr_t va, paddr_t pa, vm_prot_t prot,
npte = (pa & PG_FRAME); npte = (pa & PG_FRAME);
/* VA 0 is magic. */ /* VA 0 is magic. */
if (pmap != pmap_kernel() && va != 0) if (pmap != pmap_kernel() && va != vector_page)
npte |= PT_AP(AP_U); npte |= PT_AP(AP_U);
if (pg != NULL) { if (pg != NULL) {