xref: /openbsd-src/lib/libkvm/kvm_powerpc64.c (revision 46035553bfdd96e63c94e32da0210227ec2e3cf1)
1 /*	$OpenBSD: kvm_powerpc64.c,v 1.1 2020/06/28 09:46:58 kettenis 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/param.h>
21 #include <sys/core.h>
22 #include <sys/kcore.h>
23 #include <sys/vnode.h>
24 
25 #include <unistd.h>
26 #include <stdlib.h>
27 #include <nlist.h>
28 #include <kvm.h>
29 
30 #include <db.h>
31 
32 #include "kvm_private.h"
33 
34 #include <machine/cpu.h>
35 #include <machine/kcore.h>
36 #include <machine/pte.h>
37 #include <machine/vmparam.h>
38 
39 void
40 _kvm_freevtop(kvm_t *kd)
41 {
42 }
43 
44 int
45 _kvm_initvtop(kvm_t *kd)
46 {
47 	return (0);
48 }
49 
50 /*
51  * Translate a kernel virtual address to a physical address by walking
52  * the kernel page tables.
53  */
54 int
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 	_kvm_err(kd, 0, "%s not yet implemented", __func__);
63 	*pa = (paddr_t)-1;
64 	return (0);
65 }
66 
67 /*
68  * Translate a physical address to a file offset in the crash dump.
69  */
70 off_t
71 _kvm_pa2off(kvm_t *kd, paddr_t pa)
72 {
73 	_kvm_err(kd, 0, "%s not yet implemented", __func__);
74 	return (0);
75 }
76