Bug fix: Must have user readability of kernel text on Microvax
even when using DDB.
This commit is contained in:
parent
ed3c38b4cd
commit
172fd72aab
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: pmap.c,v 1.15 1995/07/05 08:36:37 ragge Exp $ */
|
||||
/* $NetBSD: pmap.c,v 1.16 1995/08/21 03:27:05 ragge Exp $ */
|
||||
#define DEBUG
|
||||
/*
|
||||
* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
|
||||
|
@ -66,7 +66,7 @@ static int prot_array[]={ PG_NONE, PG_RO, PG_RW, PG_RW,
|
|||
PG_RO, PG_RO, PG_RW, PG_RW };
|
||||
|
||||
static int kernel_prot[]={ PG_NONE, PG_KR, PG_KW, PG_KW,
|
||||
PG_RO,PG_KR,PG_KW,PG_KW};
|
||||
PG_RO,PG_KR,PG_KW,PG_URKW};
|
||||
|
||||
static pv_entry_t pv_head =NULL;
|
||||
static unsigned int pv_count=0;
|
||||
|
@ -125,6 +125,10 @@ pmap_bootstrap()
|
|||
if (cpu_type == VAX_630)
|
||||
pend -= 8 * NBPG; /* Avoid console scratchpad */
|
||||
#endif
|
||||
#if VAX650
|
||||
if (cpu_type == VAX_650)
|
||||
pend -= 64 * NBPG;
|
||||
#endif
|
||||
/* These are virt only */
|
||||
vmmap = ROUND_PAGE(pv_table + (pend / PAGE_SIZE));
|
||||
(u_int)Numem = vmmap + NBPG * 2;
|
||||
|
@ -154,7 +158,7 @@ pmap_bootstrap()
|
|||
pmap_map(0x80000000,0,2*NBPG,VM_PROT_READ|VM_PROT_WRITE);
|
||||
#ifdef DDB
|
||||
pmap_map(0x80000400,2*NBPG,(vm_offset_t)(&etext),
|
||||
VM_PROT_READ|VM_PROT_WRITE);
|
||||
VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE);
|
||||
#else
|
||||
pmap_map(0x80000400,2*NBPG,(vm_offset_t)(&etext),VM_PROT_EXECUTE);
|
||||
#endif
|
||||
|
|
Loading…
Reference in New Issue