1/*	$NetBSD: md.c,v 1.45 2011/11/04 11:27:03 martin Exp $	*/
2
3/*
4 * Copyright 1997 Piermont Information Systems Inc.
5 * All rights reserved.
6 *
7 * Based on code written by Philip A. Nelson for Piermont Information
8 * Systems Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. The name of Piermont Information Systems Inc. may not be used to endorse
19 *    or promote products derived from this software without specific prior
20 *    written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35/* md.c -- macppc machine specific routines */
36
37#include <sys/types.h>
38#include <sys/disklabel.h>
39#include <sys/ioctl.h>
40#include <sys/param.h>
41#include <stdio.h>
42#include <curses.h>
43#include <unistd.h>
44#include <fcntl.h>
45#include <util.h>
46
47#include "defs.h"
48#include "md.h"
49#include "msg_defs.h"
50#include "menu_defs.h"
51
52void
53md_init(void)
54{
55}
56
57void
58md_init_set_status(int flags)
59{
60	(void)flags;
61}
62
63int
64md_get_info(void)
65{
66	struct disklabel disklabel;
67	int fd;
68	char dev_name[100];
69
70	snprintf (dev_name, 100, "/dev/r%sc", diskdev);
71
72	fd = open (dev_name, O_RDONLY, 0);
73	if (fd < 0) {
74		endwin();
75		fprintf (stderr, "Can't open %s\n", dev_name);
76		exit(1);
77	}
78	if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) {
79		endwin();
80		fprintf (stderr, "Can't read disklabel on %s.\n", dev_name);
81		close(fd);
82		exit(1);
83	}
84	close(fd);
85
86	dlcyl = disklabel.d_ncylinders;
87	dlhead = disklabel.d_ntracks;
88	dlsec = disklabel.d_nsectors;
89	sectorsize = disklabel.d_secsize;
90	dlcylsize = disklabel.d_secpercyl;
91
92	/*
93	 * Compute whole disk size. Take max of (dlcyl*dlhead*dlsec)
94	 * and secperunit,  just in case the disk is already labelled.
95	 * (If our new label's RAW_PART size ends up smaller than the
96	 * in-core RAW_PART size  value, updating the label will fail.)
97	 */
98	dlsize = dlcyl*dlhead*dlsec;
99	if (disklabel.d_secperunit > dlsize)
100		dlsize = disklabel.d_secperunit;
101
102	return 1;
103}
104
105/*
106 * md back-end code for menu-driven BSD disklabel editor.
107 */
108int
109md_make_bsd_partitions(void)
110{
111	return make_bsd_partitions();
112}
113
114/*
115 * any additional partition validation
116 */
117int
118md_check_partitions(void)
119{
120	return 1;
121}
122
123/*
124 * hook called before writing new disklabel.
125 */
126int
127md_pre_disklabel(void)
128{
129	return 0;
130}
131
132/*
133 * hook called after writing disklabel to new target disk.
134 */
135int
136md_post_disklabel(void)
137{
138	return 0;
139}
140
141/*
142 * hook called after upgrade() or install() has finished setting
143 * up the target disk but immediately before the user is given the
144 * ``disks are now set up'' message.
145 *
146 * On the macppc, we use this opportunity to install the boot blocks.
147 */
148int
149md_post_newfs(void)
150{
151	const char *bootfile = "/boot";
152
153	/*
154	 * XXX
155	 * Only OpenFirmware version 1 and 2 machines need installboot(8)
156	 * and it uses a faked Apple partition map with the primary bootxx.
157	 * installboot(8) assumes that root partition is at the beginning of
158	 * the disk and put a faked Apple partition map at the top of
159	 * the partition, so it won't work if root partition has some
160	 * offset from physical block 0 where the Apple driver descriptor
161	 * map resides on.
162	 *
163	 * On OpenFirmware version 3 machines, the strategy used on OF1/2
164	 * machines doesn't work (they don't recognize boot code info
165	 * in Apple partition map entries) and they need to have
166	 * an extra native partition (HFS or MSDOSFS) which can be
167	 * recognized by the newer firmware to put a loadable bootloader.
168	 * installboot(8) against partition `a' on such machines might
169	 * corrupt existing disklabel or a valid Apple partition map.
170	 *
171	 * Currently there is no way to see OF version on running machine
172	 * yet, so assume partition a has some offset on OF3 machines
173	 * and don't try installboot(8) in that case.
174	 */
175	if (bsdlabel[PART_A].pi_offset != 0)
176		return 0;
177
178	printf (msg_string(MSG_dobootblks), diskdev);
179	cp_to_target("/usr/mdec/ofwboot", bootfile);
180	sync();
181	run_program(RUN_DISPLAY, "/usr/sbin/installboot /dev/r%sa %s %s",
182	    diskdev, "/usr/mdec/bootxx", bootfile);
183	return 0;
184}
185
186int
187md_post_extract(void)
188{
189	return 0;
190}
191
192void
193md_cleanup_install(void)
194{
195#ifndef DEBUG
196	enable_rc_conf();
197#endif
198}
199
200int
201md_pre_update(void)
202{
203	return 1;
204}
205
206/* Upgrade support */
207int
208md_update(void)
209{
210	md_post_newfs();
211	return 1;
212}
213
214int
215md_pre_mount()
216{
217	return 0;
218}
219