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PG_NC workaround from torek

This commit is contained in:
deraadt 1994-02-03 15:08:43 +00:00
parent f2428221e9
commit 776640a95d
1 changed files with 5 additions and 1 deletions
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6
sys/arch/sparc/sparc/pmap.c
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@ -42,7 +42,7 @@
* @(#)pmap.c 8.1 (Berkeley) 6/11/93 * @(#)pmap.c 8.1 (Berkeley) 6/11/93
* *
* from: Header: pmap.c,v 1.39 93/04/20 11:17:12 torek Exp * from: Header: pmap.c,v 1.39 93/04/20 11:17:12 torek Exp
* $Id: pmap.c,v 1.2 1993/10/11 02:16:24 deraadt Exp $ * $Id: pmap.c,v 1.3 1994/02/03 15:08:43 deraadt Exp $
*/ */
/* /*
@ -68,6 +68,7 @@
#include <sparc/sparc/asm.h> #include <sparc/sparc/asm.h>
#include <sparc/sparc/cache.h> #include <sparc/sparc/cache.h>
#include <sparc/sparc/vaddrs.h>
#ifdef DEBUG #ifdef DEBUG
#define PTE_BITS "\20\40V\37W\36S\35NC\33IO\32U\31M" #define PTE_BITS "\20\40V\37W\36S\35NC\33IO\32U\31M"
@ -915,6 +916,9 @@ if(pm==NULL)panic("pv_changepte 1");
if (bic == PG_W && if (bic == PG_W &&
va >= pager_sva && va < pager_eva) va >= pager_sva && va < pager_eva)
continue; continue;
if (bic == PG_NC &&
va >= DVMA_BASE && va < DVMA_END)
continue;
setcontext(pm->pm_ctxnum); setcontext(pm->pm_ctxnum);
/* XXX should flush only when necessary */ /* XXX should flush only when necessary */
#ifdef notdef #ifdef notdef