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When mapping kernel text, always make it PG_RO.

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This commit is contained in:
thorpej 1997-03-18 21:31:48 +00:00
parent 5bf83341cf
commit dc401484c4
1 changed files with 2 additions and 6 deletions
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8
sys/arch/mvme68k/mvme68k/pmap_bootstrap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap_bootstrap.c,v 1.2 1996/04/26 19:27:02 chuck Exp $ */
/* $NetBSD: pmap_bootstrap.c,v 1.3 1997/03/18 21:31:48 thorpej Exp $ */
/*
* Copyright (c) 1991, 1993
@ -50,7 +50,7 @@
#define RELOC(v, t) *((t*)((u_int)&(v) + firstpa))
extern char *etext;
extern char *kernel_text, *etext;
extern int Sysptsize;
extern char *proc0paddr;
extern st_entry_t *Sysseg;
@ -304,11 +304,7 @@ pmap_bootstrap(nextpa, firstpa)
*/
pte = &((u_int *)kptpa)[m68k_btop(KERNBASE)];
epte = &pte[m68k_btop(m68k_trunc_page(&etext))];
#if defined(KGDB) || defined(DDB)
protopte = firstpa | PG_RW | PG_V; /* XXX RW for now */
#else
protopte = firstpa | PG_RO | PG_V;
#endif
while (pte < epte) {
*pte++ = protopte;
protopte += NBPG;