1 /* $NetBSD: md.c,v 1.2 2014/08/03 16:09:40 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 52 void 53 md_init(void) 54 { 55 } 56 57 void 58 md_init_set_status(int flags) 59 { 60 (void)flags; 61 } 62 63 int 64 md_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", pm->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 pm->dlcyl = disklabel.d_ncylinders; 87 pm->dlhead = disklabel.d_ntracks; 88 pm->dlsec = disklabel.d_nsectors; 89 pm->sectorsize = disklabel.d_secsize; 90 pm->dlcylsize = disklabel.d_secpercyl; 91 92 /* 93 * Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->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 pm->dlsize = pm->dlcyl*pm->dlhead*pm->dlsec; 99 if (disklabel.d_secperunit > pm->dlsize) 100 pm->dlsize = disklabel.d_secperunit; 101 102 return 1; 103 } 104 105 /* 106 * md back-end code for menu-driven BSD disklabel editor. 107 */ 108 int 109 md_make_bsd_partitions(void) 110 { 111 return make_bsd_partitions(); 112 } 113 114 /* 115 * any additional partition validation 116 */ 117 int 118 md_check_partitions(void) 119 { 120 return 1; 121 } 122 123 /* 124 * hook called before writing new disklabel. 125 */ 126 int 127 md_pre_disklabel(void) 128 { 129 return 0; 130 } 131 132 /* 133 * hook called after writing disklabel to new target disk. 134 */ 135 int 136 md_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 */ 148 int 149 md_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 (pm->bsdlabel[PART_A].pi_offset != 0) 176 return 0; 177 178 msg_display(MSG_dobootblks, pm->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 pm->diskdev, "/usr/mdec/bootxx", bootfile); 183 return 0; 184 } 185 186 int 187 md_post_extract(void) 188 { 189 return 0; 190 } 191 192 void 193 md_cleanup_install(void) 194 { 195 #ifndef DEBUG 196 enable_rc_conf(); 197 #endif 198 } 199 200 int 201 md_pre_update(void) 202 { 203 return 1; 204 } 205 206 /* Upgrade support */ 207 int 208 md_update(void) 209 { 210 md_post_newfs(); 211 return 1; 212 } 213 214 int 215 md_pre_mount() 216 { 217 return 0; 218 } 219