Home | History | Annotate | Line # | Download | only in macppc
md.c revision 1.2.6.2
      1  1.2.6.2  tls /*	$NetBSD: md.c,v 1.2.6.2 2014/08/20 00:05:16 tls Exp $	*/
      2  1.2.6.2  tls 
      3  1.2.6.2  tls /*
      4  1.2.6.2  tls  * Copyright 1997 Piermont Information Systems Inc.
      5  1.2.6.2  tls  * All rights reserved.
      6  1.2.6.2  tls  *
      7  1.2.6.2  tls  * Based on code written by Philip A. Nelson for Piermont Information
      8  1.2.6.2  tls  * Systems Inc.
      9  1.2.6.2  tls  *
     10  1.2.6.2  tls  * Redistribution and use in source and binary forms, with or without
     11  1.2.6.2  tls  * modification, are permitted provided that the following conditions
     12  1.2.6.2  tls  * are met:
     13  1.2.6.2  tls  * 1. Redistributions of source code must retain the above copyright
     14  1.2.6.2  tls  *    notice, this list of conditions and the following disclaimer.
     15  1.2.6.2  tls  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2.6.2  tls  *    notice, this list of conditions and the following disclaimer in the
     17  1.2.6.2  tls  *    documentation and/or other materials provided with the distribution.
     18  1.2.6.2  tls  * 3. The name of Piermont Information Systems Inc. may not be used to endorse
     19  1.2.6.2  tls  *    or promote products derived from this software without specific prior
     20  1.2.6.2  tls  *    written permission.
     21  1.2.6.2  tls  *
     22  1.2.6.2  tls  * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
     23  1.2.6.2  tls  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  1.2.6.2  tls  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  1.2.6.2  tls  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
     26  1.2.6.2  tls  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  1.2.6.2  tls  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  1.2.6.2  tls  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  1.2.6.2  tls  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  1.2.6.2  tls  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  1.2.6.2  tls  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     32  1.2.6.2  tls  * THE POSSIBILITY OF SUCH DAMAGE.
     33  1.2.6.2  tls  */
     34  1.2.6.2  tls 
     35  1.2.6.2  tls /* md.c -- macppc machine specific routines */
     36  1.2.6.2  tls 
     37  1.2.6.2  tls #include <sys/types.h>
     38  1.2.6.2  tls #include <sys/disklabel.h>
     39  1.2.6.2  tls #include <sys/ioctl.h>
     40  1.2.6.2  tls #include <sys/param.h>
     41  1.2.6.2  tls #include <stdio.h>
     42  1.2.6.2  tls #include <curses.h>
     43  1.2.6.2  tls #include <unistd.h>
     44  1.2.6.2  tls #include <fcntl.h>
     45  1.2.6.2  tls #include <util.h>
     46  1.2.6.2  tls 
     47  1.2.6.2  tls #include "defs.h"
     48  1.2.6.2  tls #include "md.h"
     49  1.2.6.2  tls #include "msg_defs.h"
     50  1.2.6.2  tls #include "menu_defs.h"
     51  1.2.6.2  tls 
     52  1.2.6.2  tls void
     53  1.2.6.2  tls md_init(void)
     54  1.2.6.2  tls {
     55  1.2.6.2  tls }
     56  1.2.6.2  tls 
     57  1.2.6.2  tls void
     58  1.2.6.2  tls md_init_set_status(int flags)
     59  1.2.6.2  tls {
     60  1.2.6.2  tls 	(void)flags;
     61  1.2.6.2  tls }
     62  1.2.6.2  tls 
     63  1.2.6.2  tls int
     64  1.2.6.2  tls md_get_info(void)
     65  1.2.6.2  tls {
     66  1.2.6.2  tls 	struct disklabel disklabel;
     67  1.2.6.2  tls 	int fd;
     68  1.2.6.2  tls 	char dev_name[100];
     69  1.2.6.2  tls 
     70  1.2.6.2  tls 	snprintf (dev_name, 100, "/dev/r%sc", pm->diskdev);
     71  1.2.6.2  tls 
     72  1.2.6.2  tls 	fd = open (dev_name, O_RDONLY, 0);
     73  1.2.6.2  tls 	if (fd < 0) {
     74  1.2.6.2  tls 		endwin();
     75  1.2.6.2  tls 		fprintf (stderr, "Can't open %s\n", dev_name);
     76  1.2.6.2  tls 		exit(1);
     77  1.2.6.2  tls 	}
     78  1.2.6.2  tls 	if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) {
     79  1.2.6.2  tls 		endwin();
     80  1.2.6.2  tls 		fprintf (stderr, "Can't read disklabel on %s.\n", dev_name);
     81  1.2.6.2  tls 		close(fd);
     82  1.2.6.2  tls 		exit(1);
     83  1.2.6.2  tls 	}
     84  1.2.6.2  tls 	close(fd);
     85  1.2.6.2  tls 
     86  1.2.6.2  tls 	pm->dlcyl = disklabel.d_ncylinders;
     87  1.2.6.2  tls 	pm->dlhead = disklabel.d_ntracks;
     88  1.2.6.2  tls 	pm->dlsec = disklabel.d_nsectors;
     89  1.2.6.2  tls 	pm->sectorsize = disklabel.d_secsize;
     90  1.2.6.2  tls 	pm->dlcylsize = disklabel.d_secpercyl;
     91  1.2.6.2  tls 
     92  1.2.6.2  tls 	/*
     93  1.2.6.2  tls 	 * Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->dlsec)
     94  1.2.6.2  tls 	 * and secperunit,  just in case the disk is already labelled.
     95  1.2.6.2  tls 	 * (If our new label's RAW_PART size ends up smaller than the
     96  1.2.6.2  tls 	 * in-core RAW_PART size  value, updating the label will fail.)
     97  1.2.6.2  tls 	 */
     98  1.2.6.2  tls 	pm->dlsize = pm->dlcyl*pm->dlhead*pm->dlsec;
     99  1.2.6.2  tls 	if (disklabel.d_secperunit > pm->dlsize)
    100  1.2.6.2  tls 		pm->dlsize = disklabel.d_secperunit;
    101  1.2.6.2  tls 
    102  1.2.6.2  tls 	return 1;
    103  1.2.6.2  tls }
    104  1.2.6.2  tls 
    105  1.2.6.2  tls /*
    106  1.2.6.2  tls  * md back-end code for menu-driven BSD disklabel editor.
    107  1.2.6.2  tls  */
    108  1.2.6.2  tls int
    109  1.2.6.2  tls md_make_bsd_partitions(void)
    110  1.2.6.2  tls {
    111  1.2.6.2  tls 	return make_bsd_partitions();
    112  1.2.6.2  tls }
    113  1.2.6.2  tls 
    114  1.2.6.2  tls /*
    115  1.2.6.2  tls  * any additional partition validation
    116  1.2.6.2  tls  */
    117  1.2.6.2  tls int
    118  1.2.6.2  tls md_check_partitions(void)
    119  1.2.6.2  tls {
    120  1.2.6.2  tls 	return 1;
    121  1.2.6.2  tls }
    122  1.2.6.2  tls 
    123  1.2.6.2  tls /*
    124  1.2.6.2  tls  * hook called before writing new disklabel.
    125  1.2.6.2  tls  */
    126  1.2.6.2  tls int
    127  1.2.6.2  tls md_pre_disklabel(void)
    128  1.2.6.2  tls {
    129  1.2.6.2  tls 	return 0;
    130  1.2.6.2  tls }
    131  1.2.6.2  tls 
    132  1.2.6.2  tls /*
    133  1.2.6.2  tls  * hook called after writing disklabel to new target disk.
    134  1.2.6.2  tls  */
    135  1.2.6.2  tls int
    136  1.2.6.2  tls md_post_disklabel(void)
    137  1.2.6.2  tls {
    138  1.2.6.2  tls 	return 0;
    139  1.2.6.2  tls }
    140  1.2.6.2  tls 
    141  1.2.6.2  tls /*
    142  1.2.6.2  tls  * hook called after upgrade() or install() has finished setting
    143  1.2.6.2  tls  * up the target disk but immediately before the user is given the
    144  1.2.6.2  tls  * ``disks are now set up'' message.
    145  1.2.6.2  tls  *
    146  1.2.6.2  tls  * On the macppc, we use this opportunity to install the boot blocks.
    147  1.2.6.2  tls  */
    148  1.2.6.2  tls int
    149  1.2.6.2  tls md_post_newfs(void)
    150  1.2.6.2  tls {
    151  1.2.6.2  tls 	const char *bootfile = "/boot";
    152  1.2.6.2  tls 
    153  1.2.6.2  tls 	/*
    154  1.2.6.2  tls 	 * XXX
    155  1.2.6.2  tls 	 * Only OpenFirmware version 1 and 2 machines need installboot(8)
    156  1.2.6.2  tls 	 * and it uses a faked Apple partition map with the primary bootxx.
    157  1.2.6.2  tls 	 * installboot(8) assumes that root partition is at the beginning of
    158  1.2.6.2  tls 	 * the disk and put a faked Apple partition map at the top of
    159  1.2.6.2  tls 	 * the partition, so it won't work if root partition has some
    160  1.2.6.2  tls 	 * offset from physical block 0 where the Apple driver descriptor
    161  1.2.6.2  tls 	 * map resides on.
    162  1.2.6.2  tls 	 *
    163  1.2.6.2  tls 	 * On OpenFirmware version 3 machines, the strategy used on OF1/2
    164  1.2.6.2  tls 	 * machines doesn't work (they don't recognize boot code info
    165  1.2.6.2  tls 	 * in Apple partition map entries) and they need to have
    166  1.2.6.2  tls 	 * an extra native partition (HFS or MSDOSFS) which can be
    167  1.2.6.2  tls 	 * recognized by the newer firmware to put a loadable bootloader.
    168  1.2.6.2  tls 	 * installboot(8) against partition `a' on such machines might
    169  1.2.6.2  tls 	 * corrupt existing disklabel or a valid Apple partition map.
    170  1.2.6.2  tls 	 *
    171  1.2.6.2  tls 	 * Currently there is no way to see OF version on running machine
    172  1.2.6.2  tls 	 * yet, so assume partition a has some offset on OF3 machines
    173  1.2.6.2  tls 	 * and don't try installboot(8) in that case.
    174  1.2.6.2  tls 	 */
    175  1.2.6.2  tls 	if (pm->bsdlabel[PART_A].pi_offset != 0)
    176  1.2.6.2  tls 		return 0;
    177  1.2.6.2  tls 
    178  1.2.6.2  tls 	msg_display(MSG_dobootblks, pm->diskdev);
    179  1.2.6.2  tls 	cp_to_target("/usr/mdec/ofwboot", bootfile);
    180  1.2.6.2  tls 	sync();
    181  1.2.6.2  tls 	run_program(RUN_DISPLAY, "/usr/sbin/installboot /dev/r%sa %s %s",
    182  1.2.6.2  tls 	    pm->diskdev, "/usr/mdec/bootxx", bootfile);
    183  1.2.6.2  tls 	return 0;
    184  1.2.6.2  tls }
    185  1.2.6.2  tls 
    186  1.2.6.2  tls int
    187  1.2.6.2  tls md_post_extract(void)
    188  1.2.6.2  tls {
    189  1.2.6.2  tls 	return 0;
    190  1.2.6.2  tls }
    191  1.2.6.2  tls 
    192  1.2.6.2  tls void
    193  1.2.6.2  tls md_cleanup_install(void)
    194  1.2.6.2  tls {
    195  1.2.6.2  tls #ifndef DEBUG
    196  1.2.6.2  tls 	enable_rc_conf();
    197  1.2.6.2  tls #endif
    198  1.2.6.2  tls }
    199  1.2.6.2  tls 
    200  1.2.6.2  tls int
    201  1.2.6.2  tls md_pre_update(void)
    202  1.2.6.2  tls {
    203  1.2.6.2  tls 	return 1;
    204  1.2.6.2  tls }
    205  1.2.6.2  tls 
    206  1.2.6.2  tls /* Upgrade support */
    207  1.2.6.2  tls int
    208  1.2.6.2  tls md_update(void)
    209  1.2.6.2  tls {
    210  1.2.6.2  tls 	md_post_newfs();
    211  1.2.6.2  tls 	return 1;
    212  1.2.6.2  tls }
    213  1.2.6.2  tls 
    214  1.2.6.2  tls int
    215  1.2.6.2  tls md_pre_mount()
    216  1.2.6.2  tls {
    217  1.2.6.2  tls 	return 0;
    218  1.2.6.2  tls }
    219