1 /* $OpenBSD: kvm_hppa.c,v 1.11 2021/12/01 16:53:28 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/types.h>
29 #include <sys/signal.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
_kvm_freevtop(kvm_t * kd)42 _kvm_freevtop(kvm_t *kd)
43 {
44 free(kd->vmst);
45 kd->vmst = NULL;
46 }
47
48 int
_kvm_initvtop(kvm_t * kd)49 _kvm_initvtop(kvm_t *kd)
50 {
51 return (0);
52 }
53
54 int
_kvm_kvatop(kvm_t * kd,u_long va,paddr_t * pa)55 _kvm_kvatop(kvm_t *kd, u_long va, paddr_t *pa)
56 {
57 if (ISALIVE(kd)) {
58 _kvm_err(kd, 0, "vatop called in live kernel!");
59 return (0);
60 }
61
62 /* XXX this only really works for the kernel image only */
63 *pa = va;
64 return (kd->nbpg - (va & (kd->nbpg - 1)));
65 }
66
67 /*
68 * Translate a physical address to a file offset in the crash dump.
69 */
70 off_t
_kvm_pa2off(kvm_t * kd,paddr_t pa)71 _kvm_pa2off(kvm_t *kd, paddr_t pa)
72 {
73 return (kd->dump_off + pa);
74 }
75