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/*
* $Id$
* From $NetBSD: OSFpal.c,v 1.5 1998/06/24 01:33:19 ross Exp $
*/
/*
* Copyright (c) 1994, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Keith Bostic
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/types.h>
#include <stand.h>
#include <machine/prom.h>
#include <machine/rpb.h>
#include <machine/alpha_cpu.h>
vm_offset_t ptbr_save;
#include "common.h"
void
OSFpal()
{
struct rpb *r;
struct pcs *p;
r = (struct rpb *)HWRPB_ADDR;
/*
* Note, cpu_number() is a VMS op, can't necessarily call it.
* Real fun: PAL_VMS_mfpr_whami == PAL_OSF1_rti...
* We might not be rpb_primary_cpu_id, but it is supposed to go
* first so the answer should apply to everyone.
*/
p = LOCATE_PCS(r, r->rpb_primary_cpu_id);
printf("VMS PAL rev: 0x%lx\n", p->pcs_palrevisions[PALvar_OpenVMS]);
printf("OSF PAL rev: 0x%lx\n", p->pcs_palrevisions[PALvar_OSF1]);
if(p->pcs_pal_type==PAL_TYPE_OSF1) {
printf("OSF PAL code already running.\n");
ptbr_save = ((struct alpha_pcb *)p)->apcb_ptbr;
printf("PTBR is: 0x%lx\n", ptbr_save);
return;
}
switch_palcode();
printf("Switch to OSF PAL code succeeded.\n");
}
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