1 /* $OpenBSD: kvm_powerpc64.c,v 1.3 2021/12/01 21:45:19 deraadt Exp $ */
2
3 /*
4 * Copyright (c) 2007 Miodrag Vallat.
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice, this permission notice, and the disclaimer below
9 * appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 #include <sys/types.h>
21 #include <sys/kcore.h>
22
23 #include <unistd.h>
24 #include <stdlib.h>
25 #include <nlist.h>
26 #include <kvm.h>
27
28 #include <db.h>
29
30 #include "kvm_private.h"
31
32 #include <machine/cpu.h>
33 #include <machine/kcore.h>
34 #include <machine/pte.h>
35 #include <machine/vmparam.h>
36
37 void
_kvm_freevtop(kvm_t * kd)38 _kvm_freevtop(kvm_t *kd)
39 {
40 }
41
42 int
_kvm_initvtop(kvm_t * kd)43 _kvm_initvtop(kvm_t *kd)
44 {
45 return (0);
46 }
47
48 /*
49 * Translate a kernel virtual address to a physical address by walking
50 * the kernel page tables.
51 */
52 int
_kvm_kvatop(kvm_t * kd,u_long va,paddr_t * pa)53 _kvm_kvatop(kvm_t *kd, u_long va, paddr_t *pa)
54 {
55 if (ISALIVE(kd)) {
56 _kvm_err(kd, 0, "vatop called in live kernel!");
57 return (0);
58 }
59
60 _kvm_err(kd, 0, "%s not yet implemented", __func__);
61 *pa = (paddr_t)-1;
62 return (0);
63 }
64
65 /*
66 * Translate a physical address to a file offset in the crash dump.
67 */
68 off_t
_kvm_pa2off(kvm_t * kd,paddr_t pa)69 _kvm_pa2off(kvm_t *kd, paddr_t pa)
70 {
71 _kvm_err(kd, 0, "%s not yet implemented", __func__);
72 return (0);
73 }
74