distrib/utils/sysinst/arch/macppc/md.c

   1 /*      $NetBSD: md.c,v 1.41 2009/09/19 14:57:29 abs 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. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed for the NetBSD Project by
  21  *      Piermont Information Systems Inc.
  22  * 4. The name of Piermont Information Systems Inc. may not be used to endorse
  23  *    or promote products derived from this software without specific prior
  24  *    written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
  27  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
  30  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  36  * THE POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 /* md.c -- macppc machine specific routines */
  40
  41 #include <sys/types.h>
  42 #include <sys/disklabel.h>
  43 #include <sys/ioctl.h>
  44 #include <sys/param.h>
  45 #include <stdio.h>
  46 #include <curses.h>
  47 #include <unistd.h>
  48 #include <fcntl.h>
  49 #include <util.h>
  50
  51 #include "defs.h"
  52 #include "md.h"
  53 #include "msg_defs.h"
  54 #include "menu_defs.h"
  55
  56 void
  57 md_init(void)
  58 {
  59 }
  60
  61 void
  62 md_init_set_status(int minimal)
  63 {
  64         (void)minimal;
  65 }
  66
  67 int
  68 md_get_info(void)
  69 {
  70         struct disklabel disklabel;
  71         int fd;
  72         char dev_name[100];
  73
  74         snprintf (dev_name, 100, "/dev/r%sc", diskdev);
  75
  76         fd = open (dev_name, O_RDONLY, 0);
  77         if (fd < 0) {
  78                 endwin();
  79                 fprintf (stderr, "Can't open %s\n", dev_name);
  80                 exit(1);
  81         }
  82         if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) {
  83                 endwin();
  84                 fprintf (stderr, "Can't read disklabel on %s.\n", dev_name);
  85                 close(fd);
  86                 exit(1);
  87         }
  88         close(fd);
  89
  90         dlcyl = disklabel.d_ncylinders;
  91         dlhead = disklabel.d_ntracks;
  92         dlsec = disklabel.d_nsectors;
  93         sectorsize = disklabel.d_secsize;
  94         dlcylsize = disklabel.d_secpercyl;
  95
  96         /*
  97          * Compute whole disk size. Take max of (dlcyl*dlhead*dlsec)
  98          * and secperunit,  just in case the disk is already labelled.
  99          * (If our new label's RAW_PART size ends up smaller than the
 100          * in-core RAW_PART size  value, updating the label will fail.)
 101          */
 102         dlsize = dlcyl*dlhead*dlsec;
 103         if (disklabel.d_secperunit > dlsize)
 104                 dlsize = disklabel.d_secperunit;
 105
 106         return 1;
 107 }
 108
 109 /*
 110  * md back-end code for menu-driven BSD disklabel editor.
 111  */
 112 int
 113 md_make_bsd_partitions(void)
 114 {
 115         return make_bsd_partitions();
 116 }
 117
 118 /*
 119  * any additional partition validation
 120  */
 121 int
 122 md_check_partitions(void)
 123 {
 124         return 1;
 125 }
 126
 127 /*
 128  * hook called before writing new disklabel.
 129  */
 130 int
 131 md_pre_disklabel(void)
 132 {
 133         return 0;
 134 }
 135
 136 /*
 137  * hook called after writing disklabel to new target disk.
 138  */
 139 int
 140 md_post_disklabel(void)
 141 {
 142         return 0;
 143 }
 144
 145 /*
 146  * hook called after upgrade() or install() has finished setting
 147  * up the target disk but immediately before the user is given the
 148  * ``disks are now set up'' message.
 149  *
 150  * On the macppc, we use this opportunity to install the boot blocks.
 151  */
 152 int
 153 md_post_newfs(void)
 154 {
 155         const char *bootfile = "/boot";
 156
 157         /*
 158          * XXX
 159          * Only OpenFirmware version 1 and 2 machines need installboot(8)
 160          * and it uses a faked Apple partition map with the primary bootxx.
 161          * installboot(8) assumes that root partition is at the beginning of
 162          * the disk and put a faked Apple partition map at the top of
 163          * the partition, so it won't work if root partition has some
 164          * offset from physical block 0 where the Apple driver descriptor
 165          * map resides on.
 166          *
 167          * On OpenFirmware version 3 machines, the strategy used on OF1/2
 168          * machines doesn't work (they don't recognize boot code info
 169          * in Apple partition map entries) and they need to have
 170          * an extra native partition (HFS or MSDOSFS) which can be
 171          * recognized by the newer firmware to put a loadable bootloader.
 172          * installboot(8) against partition `a' on such machines might
 173          * corrupt existing disklabel or a valid Apple partition map.
 174          *
 175          * Currently there is no way to see OF version on running machine
 176          * yet, so assume partition a has some offset on OF3 machines
 177          * and don't try installboot(8) in that case.
 178          */
 179         if (bsdlabel[PART_A].pi_offset != 0)
 180                 return 0;
 181
 182         printf (msg_string(MSG_dobootblks), diskdev);
 183         cp_to_target("/usr/mdec/ofwboot", bootfile);
 184         sync();
 185         run_program(RUN_DISPLAY, "/usr/sbin/installboot /dev/r%sa %s %s",
 186             diskdev, "/usr/mdec/bootxx", bootfile);
 187         return 0;
 188 }
 189
 190 int
 191 md_post_extract(void)
 192 {
 193         return 0;
 194 }
 195
 196 void
 197 md_cleanup_install(void)
 198 {
 199 #ifndef DEBUG
 200         enable_rc_conf();
 201 #endif
 202 }
 203
 204 int
 205 md_pre_update(void)
 206 {
 207         return 1;
 208 }
 209
 210 /* Upgrade support */
 211 int
 212 md_update(void)
 213 {
 214         md_post_newfs();
 215         return 1;
 216 }