1 /* $OpenBSD: OSFpal.c,v 1.8 2013/12/22 18:31:29 miod Exp $ */ 2 /* $NetBSD: OSFpal.c,v 1.8 2001/07/22 15:17:30 wiz Exp $ */ 3 4 /* 5 * Copyright (c) 1994, 1996 Carnegie-Mellon University. 6 * All rights reserved. 7 * 8 * Author: Keith Bostic 9 * 10 * Permission to use, copy, modify and distribute this software and 11 * its documentation is hereby granted, provided that both the copyright 12 * notice and this permission notice appear in all copies of the 13 * software, derivative works or modified versions, and any portions 14 * thereof, and that both notices appear in supporting documentation. 15 * 16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie the 28 * rights to redistribute these changes. 29 */ 30 31 #include <sys/types.h> 32 #include <lib/libsa/stand.h> 33 34 #include <machine/prom.h> 35 #include <machine/rpb.h> 36 #include <machine/alpha_cpu.h> 37 38 paddr_t ptbr_save; 39 40 void 41 OSFpal() 42 { 43 struct rpb *r; 44 struct pcs *p; 45 46 r = (struct rpb *)HWRPB_ADDR; 47 /* 48 * Note, cpu_number() is a VMS op, can't necessarily call it. 49 * Real fun: PAL_VMS_mfpr_whami == PAL_OSF1_rti... 50 * We might not be rpb_primary_cpu_id, but it is supposed to go 51 * first so the answer should apply to everyone. 52 */ 53 p = LOCATE_PCS(r, r->rpb_primary_cpu_id); 54 55 printf("VMS PAL rev: 0x%lx\n", p->pcs_palrevisions[PALvar_OpenVMS]); 56 printf("OSF PAL rev: 0x%lx\n", p->pcs_palrevisions[PALvar_OSF1]); 57 58 if(p->pcs_pal_type==PAL_TYPE_OSF1) { 59 printf("OSF PAL code already running.\n"); 60 ptbr_save = ((struct alpha_pcb *)p)->apcb_ptbr; 61 printf("PTBR is: 0x%lx\n", ptbr_save); 62 return; 63 } 64 switch_palcode(); 65 memcpy(&p->pcs_pal_rev, &p->pcs_palrevisions[PALvar_OSF1], 66 sizeof(p->pcs_pal_rev)); 67 printf("Switch to OSF PAL code succeeded.\n"); 68 } 69 70