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md.c revision 1.2 
      1 /*	$NetBSD: md.c,v 1.2 2014/08/03 16:09:41 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 -- zaurus machine specific routines */
     36 
     37 #include <sys/param.h>
     38 #include <sys/sysctl.h>
     39 
     40 #include <stdio.h>
     41 #include <util.h>
     42 
     43 #include "defs.h"
     44 #include "md.h"
     45 #include "msg_defs.h"
     46 #include "menu_defs.h"
     47 
     48 void
     49 md_init(void)
     50 {
     51 }
     52 
     53 void
     54 md_init_set_status(int flags)
     55 {
     56 	static const int mib[2] = {CTL_KERN, KERN_VERSION};
     57 	size_t len;
     58 	char *version;
     59 
     60 	/* check INSTALL kernel name to select an appropriate kernel set */
     61 	/* XXX: hw.cpu_model has a processor name on arm ports */
     62 	sysctl(mib, 2, NULL, &len, NULL, 0);
     63 	version = malloc(len);
     64 	if (version == NULL)
     65 		return;
     66 	sysctl(mib, 2, version, &len, NULL, 0);
     67 	if (strstr(version, "C700") != NULL)
     68 		set_kernel_set(SET_KERNEL_C700);
     69 	free(version);
     70 }
     71 
     72 int
     73 md_get_info(void)
     74 {
     75 	return set_bios_geom_with_mbr_guess();
     76 }
     77 
     78 int
     79 md_make_bsd_partitions(void)
     80 {
     81 	return make_bsd_partitions();
     82 }
     83 
     84 /*
     85  * any additional partition validation
     86  */
     87 int
     88 md_check_partitions(void)
     89 {
     90 	return 1;
     91 }
     92 
     93 /*
     94  * hook called before writing new disklabel.
     95  */
     96 int
     97 md_pre_disklabel(void)
     98 {
     99 
    100 	msg_display(MSG_dofdisk);
    101 
    102 	/* write edited MBR onto disk. */
    103 	if (write_mbr(pm->diskdev, &mbr, 1) != 0) {
    104 		msg_display(MSG_wmbrfail);
    105 		process_menu(MENU_ok, NULL);
    106 		return 1;
    107 	}
    108 	return 0;
    109 }
    110 
    111 /*
    112  * hook called after writing disklabel to new target disk.
    113  */
    114 int
    115 md_post_disklabel(void)
    116 {
    117 	return 0;
    118 }
    119 
    120 /*
    121  * hook called after upgrade() or install() has finished setting
    122  * up the target disk but immediately before the user is given the
    123  * ``disks are now set up'' message.
    124  */
    125 int
    126 md_post_newfs(void)
    127 {
    128 	struct mbr_sector pbr;
    129 	char adevname[STRSIZE];
    130 	ssize_t sz;
    131 	int fd = -1;
    132 
    133 	snprintf(adevname, sizeof(adevname), "/dev/r%sa", pm->diskdev);
    134 	fd = open(adevname, O_RDWR);
    135 	if (fd < 0)
    136 		goto out;
    137 
    138 	/* Read partition boot record */
    139 	sz = pread(fd, &pbr, sizeof(pbr), 0);
    140 	if (sz != sizeof(pbr))
    141 		goto out;
    142 
    143 	/* Check magic number */
    144 	if (pbr.mbr_magic != le16toh(MBR_MAGIC))
    145 		goto out;
    146 
    147 #define	OSNAME	"NetBSD60"
    148 	/* Update oemname */
    149 	memcpy(&pbr.mbr_oemname, OSNAME, sizeof(OSNAME) - 1);
    150 
    151 	/* Clear BPB */
    152 	memset(&pbr.mbr_bpb, 0, sizeof(pbr.mbr_bpb));
    153 
    154 	/* write-backed new patition boot record */
    155 	(void)pwrite(fd, &pbr, sizeof(pbr), 0);
    156 
    157 out:
    158 	if (fd >= 0)
    159 		close(fd);
    160 	return 0;
    161 }
    162 
    163 int
    164 md_post_extract(void)
    165 {
    166 	return 0;
    167 }
    168 
    169 void
    170 md_cleanup_install(void)
    171 {
    172 #ifndef DEBUG
    173 	enable_rc_conf();
    174 #endif
    175 }
    176 
    177 int
    178 md_pre_update(void)
    179 {
    180 	return 1;
    181 }
    182 
    183 /* Upgrade support */
    184 int
    185 md_update(void)
    186 {
    187 	md_post_newfs();
    188 	return 1;
    189 }
    190 
    191 int
    192 md_check_mbr(mbr_info_t *mbri)
    193 {
    194 
    195 	(void)mbri;
    196 	return 2;
    197 }
    198 
    199 int
    200 md_mbr_use_wholedisk(mbr_info_t *mbri)
    201 {
    202 
    203 	return mbr_use_wholedisk(mbri);
    204 }
    205 
    206 
    207 int
    208 md_pre_mount()
    209 {
    210 	return 0;
    211 }
    212