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DDB support

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This commit is contained in:
pk 1994-03-20 08:58:41 +00:00
parent cd701f50a3
commit 9d2747e462
2 changed files with 19 additions and 6 deletions
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7
sys/arch/sparc/sparc/autoconf.c
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@ -42,7 +42,7 @@
* @(#)autoconf.c 8.1 (Berkeley) 6/11/93
*
* from: Header: autoconf.c,v 1.32 93/05/28 03:55:59 torek Exp (LBL)
* $Id: autoconf.c,v 1.7 1994/03/03 12:23:26 deraadt Exp $
* $Id: autoconf.c,v 1.8 1994/03/20 09:01:09 pk Exp $
*/
#include <sys/param.h>
@ -151,6 +151,11 @@ bootstrap()
#ifdef KGDB
zs_kgdb_init(); /* XXX */
#endif
#ifdef DDB
db_machine_init();
ddb_init();
#endif
/*
* On SS1s, promvec->pv_v0bootargs->ba_argv[1] contains the flags
* that were given after the boot command. On SS2s, pv_v0bootargs

18
sys/arch/sparc/sparc/pmap.c
View File

@ -42,7 +42,7 @@
* @(#)pmap.c 8.1 (Berkeley) 6/11/93
*
* from: Header: pmap.c,v 1.39 93/04/20 11:17:12 torek Exp
* $Id: pmap.c,v 1.6 1994/03/03 16:14:57 pk Exp $
* $Id: pmap.c,v 1.7 1994/03/20 08:58:41 pk Exp $
*/
/*
@ -913,10 +913,6 @@ if(pm==NULL)panic("pv_changepte 1");
if (pm->pm_ctx) {
extern vm_offset_t pager_sva, pager_eva;
/*
* Bizarreness: we never clear PG_W on
* pager pages, nor PG_NC on DVMA pages.
*/
if (bic == PG_W &&
va >= pager_sva && va < pager_eva)
continue;
@ -1175,6 +1171,10 @@ pmap_bootstrap(nmmu, nctx)
register void (*rom_setmap)(int ctx, caddr_t va, int pmeg);
int lastpage;
extern char end[];
#ifdef DDB
extern char *esym;
char *theend = end;
#endif
extern caddr_t reserve_dumppages(caddr_t);
kernel_pmap = (pmap_t)&kernel_pmap_store;
@ -1199,11 +1199,19 @@ pmap_bootstrap(nmmu, nctx)
* Allocate and clear mmu entry and context structures.
*/
p = end;
#ifdef DDB
if (esym != 0)
theend = p = esym;
#endif
mmuentry = me = (struct mmuentry *)p;
p += nmmu * sizeof *me;
ctxinfo = ci = (union ctxinfo *)p;
p += nctx * sizeof *ci;
#ifdef DDB
bzero(theend, p - theend);
#else
bzero(end, p - end);
#endif
/*
* Set up the `constants' for the call to vm_init()