1 /* $NetBSD: OSFpal.c,v 1.9 2009/03/18 10:22:22 cegger Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Keith Bostic 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #include <sys/types.h> 31 #include <lib/libsa/stand.h> 32 33 #include <machine/prom.h> 34 #include <machine/rpb.h> 35 #include <machine/alpha_cpu.h> 36 37 paddr_t ptbr_save; 38 39 #include "common.h" 40 41 void 42 OSFpal(void) 43 { 44 struct rpb *r; 45 struct pcs *p; 46 47 r = (struct rpb *)HWRPB_ADDR; 48 /* 49 * Note, cpu_number() is a VMS op, can't necessarily call it. 50 * Real fun: PAL_VMS_mfpr_whami == PAL_OSF1_rti... 51 * We might not be rpb_primary_cpu_id, but it is supposed to go 52 * first so the answer should apply to everyone. 53 */ 54 p = LOCATE_PCS(r, r->rpb_primary_cpu_id); 55 56 printf("VMS PAL rev: 0x%lx\n", p->pcs_palrevisions[PALvar_OpenVMS]); 57 printf("OSF PAL rev: 0x%lx\n", p->pcs_palrevisions[PALvar_OSF1]); 58 59 if(p->pcs_pal_type==PAL_TYPE_OSF1) { 60 printf("OSF PAL code already running.\n"); 61 ptbr_save = ((struct alpha_pcb *)p)->apcb_ptbr; 62 printf("PTBR is: 0x%lx\n", ptbr_save); 63 return; 64 } 65 switch_palcode(); 66 memcpy(&p->pcs_pal_rev, &p->pcs_palrevisions[PALvar_OSF1], 67 sizeof(p->pcs_pal_rev)); 68 printf("Switch to OSF PAL code succeeded.\n"); 69 } 70 71