xref: /netbsd-src/lib/libkvm/kvm_sh3.c (revision 481fca6e59249d8ffcf24fef7cfbe7b131bfb080)
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
43 static 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 
77 void
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*/
88 int
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  */
99 int
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  */
112 off_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  */
126 int
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