Add a KASSERT to pmap_extract so that vtophys is never attempted on a

mapped user address.
This commit is contained in:
matt 2003-04-07 21:42:14 +00:00
parent 2a4cef11ba
commit 021b37ca56

View File

@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.7 2003/04/04 22:38:05 matt Exp $ */
/* $NetBSD: pmap.c,v 1.8 2003/04/07 21:42:14 matt Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
@ -1833,6 +1833,7 @@ pmap_extract(pmap_t pm, vaddr_t va, paddr_t *pap)
(va < VM_MIN_KERNEL_ADDRESS ||
(KERNEL2_SR < 15 && VM_MAX_KERNEL_ADDRESS <= va))) {
register_t batu = battable[va >> ADDR_SR_SHFT].batu;
KASSERT((va >> ADDR_SR_SHFT) != USER_SR);
if (BAT_VALID_P(batu,0) && BAT_VA_MATCH_P(batu,va)) {
register_t batl = battable[va >> ADDR_SR_SHFT].batl;
register_t mask = (~(batu & BAT_BL) << 15) & ~0x1ffffL;