1 /* $OpenBSD: kvm_hppa.c,v 1.7 2009/07/28 12:56:25 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 2002, Miodrag Vallat. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 #include <sys/user.h> 30 #include <sys/proc.h> 31 #include <sys/stat.h> 32 33 #include <unistd.h> 34 #include <stdlib.h> 35 #include <kvm.h> 36 37 #include <db.h> 38 39 #include "kvm_private.h" 40 41 void 42 _kvm_freevtop(kvm_t *kd) 43 { 44 if (kd->vmst != NULL) { 45 free(kd->vmst); 46 kd->vmst = NULL; 47 } 48 } 49 50 int 51 _kvm_initvtop(kvm_t *kd) 52 { 53 return (0); 54 } 55 56 int 57 _kvm_kvatop(kvm_t *kd, u_long va, paddr_t *pa) 58 { 59 if (ISALIVE(kd)) { 60 _kvm_err(kd, 0, "vatop called in live kernel!"); 61 return (0); 62 } 63 64 /* XXX this only really works for the kernel image only */ 65 *pa = va; 66 return (PAGE_SIZE - (va & PAGE_MASK)); 67 } 68 69 /* 70 * Translate a physical address to a file offset in the crash dump. 71 */ 72 off_t 73 _kvm_pa2off(kvm_t *kd, paddr_t pa) 74 { 75 return (kd->dump_off + pa); 76 } 77