1 /* $NetBSD: kvm_sh3.c,v 1.9 2014/02/19 20:21:22 dsl Exp $ */
2
3 /*-
4 * Copyright (c) 1989, 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software developed by the Computer Systems
8 * Engineering group at Lawrence Berkeley Laboratory under DARPA contract
9 * BG 91-66 and contributed to Berkeley.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37 #if defined(LIBC_SCCS) && !defined(lint)
38 #if 0
39 static char sccsid[] = "@(#)kvm_hp300.c 8.1 (Berkeley) 6/4/93";
40 #else
41 __RCSID("$NetBSD: kvm_sh3.c,v 1.9 2014/02/19 20:21:22 dsl Exp $");
42 #endif
43 #endif /* LIBC_SCCS and not lint */
44
45 /*
46 * SH3 machine dependent routines for kvm.
47 */
48
49 #include <sys/param.h>
50 #include <sys/proc.h>
51 #include <sys/stat.h>
52 #include <sys/kcore.h>
53 #include <sys/types.h>
54
55 #include <stdlib.h>
56 #include <unistd.h>
57 #include <nlist.h>
58 #include <kvm.h>
59
60 #include <uvm/uvm_extern.h>
61
62 #include <limits.h>
63 #include <db.h>
64
65 #include "kvm_private.h"
66
67 #include <machine/pte.h>
68 #include <machine/vmparam.h>
69
70 #ifndef btop
71 #define btop(x) (((unsigned)(x)) >> PGSHIFT) /* XXX */
72 #define ptob(x) ((caddr_t)((x) << PGSHIFT)) /* XXX */
73 #endif
74
75 void
_kvm_freevtop(kvm_t * kd)76 _kvm_freevtop(kvm_t *kd)
77 {
78
79 /* Not actually used for anything right now, but safe. */
80 if (kd->vmst != 0)
81 free(kd->vmst);
82 }
83
84 /*ARGSUSED*/
85 int
_kvm_initvtop(kvm_t * kd)86 _kvm_initvtop(kvm_t *kd)
87 {
88
89 return (0);
90 }
91
92 /*
93 * Translate a kernel virtual address to a physical address.
94 */
95 int
_kvm_kvatop(kvm_t * kd,vaddr_t va,paddr_t * pa)96 _kvm_kvatop(kvm_t *kd, vaddr_t va, paddr_t *pa)
97 {
98 _kvm_err(kd, 0, "vatop not yet implemented!");
99 return 0;
100 }
101
102 /*
103 * Translate a physical address to a file-offset in the crash dump.
104 */
105 off_t
_kvm_pa2off(kvm_t * kd,paddr_t pa)106 _kvm_pa2off(kvm_t *kd, paddr_t pa)
107 {
108 _kvm_err(kd, 0, "pa2off not yet implemented!");
109 return 0;
110 }
111
112 /*
113 * Machine-dependent initialization for ALL open kvm descriptors,
114 * not just those for a kernel crash dump. Some architectures
115 * have to deal with these NOT being constants! (i.e. m68k)
116 */
117 int
_kvm_mdopen(kvm_t * kd)118 _kvm_mdopen(kvm_t *kd)
119 {
120
121 kd->usrstack = USRSTACK;
122 kd->min_uva = VM_MIN_ADDRESS;
123 kd->max_uva = VM_MAXUSER_ADDRESS;
124
125 return (0);
126 }
127