kvm_sh3.c revision 1.3 
1/*	$NetBSD: kvm_sh3.c,v 1.3 2000/06/29 06:34:26 mrg 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. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *	This product includes software developed by the University of
22 *	California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 */
39
40#include <sys/cdefs.h>
41#if defined(LIBC_SCCS) && !defined(lint)
42#if 0
43static char sccsid[] = "@(#)kvm_hp300.c	8.1 (Berkeley) 6/4/93";
44#else
45__RCSID("$NetBSD: kvm_sh3.c,v 1.3 2000/06/29 06:34:26 mrg Exp $");
46#endif
47#endif /* LIBC_SCCS and not lint */
48
49/*
50 * i386 machine dependent routines for kvm.
51 */
52
53#include <sys/param.h>
54#include <sys/user.h>
55#include <sys/proc.h>
56#include <sys/stat.h>
57#include <sys/kcore.h>
58#include <stdlib.h>
59#include <unistd.h>
60#include <nlist.h>
61#include <kvm.h>
62
63#include <uvm/uvm_extern.h>
64
65#include <limits.h>
66#include <db.h>
67
68#include "kvm_private.h"
69
70#include <machine/pte.h>
71
72#ifndef btop
73#define	btop(x)		(((unsigned)(x)) >> PGSHIFT)	/* XXX */
74#define	ptob(x)		((caddr_t)((x) << PGSHIFT))	/* XXX */
75#endif
76
77void
78_kvm_freevtop(kd)
79	kvm_t *kd;
80{
81
82	/* Not actually used for anything right now, but safe. */
83	if (kd->vmst != 0)
84		free(kd->vmst);
85}
86
87/*ARGSUSED*/
88int
89_kvm_initvtop(kd)
90	kvm_t *kd;
91{
92
93	return (0);
94}
95
96/*
97 * Translate a kernel virtual address to a physical address.
98 */
99int
100_kvm_kvatop(kd, va, pa)
101	kvm_t *kd;
102	u_long va;
103	u_long *pa;
104{
105	_kvm_err(kd, 0, "vatop not yet implemented!");
106	return 0;
107}
108
109/*
110 * Translate a physical address to a file-offset in the crash dump.
111 */
112off_t
113_kvm_pa2off(kd, pa)
114	kvm_t *kd;
115	u_long pa;
116{
117	_kvm_err(kd, 0, "pa2off not yet implemented!");
118	return 0;
119}
120
121/*
122 * Machine-dependent initialization for ALL open kvm descriptors,
123 * not just those for a kernel crash dump.  Some architectures
124 * have to deal with these NOT being constants!  (i.e. m68k)
125 */
126int
127_kvm_mdopen(kd)
128	kvm_t	*kd;
129{
130
131	kd->usrstack = USRSTACK;
132	kd->min_uva = VM_MIN_ADDRESS;
133	kd->max_uva = VM_MAXUSER_ADDRESS;
134
135	return (0);
136}
137