1 /* $NetBSD: md.c,v 1.11 2023/01/06 18:14:56 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 -- luna68k machine specific routines */ 36 37 #include <sys/types.h> 38 #include <sys/ioctl.h> 39 #include <sys/param.h> 40 #include <sys/stat.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <curses.h> 44 #include <unistd.h> 45 #include <fcntl.h> 46 #include <util.h> 47 48 #include "defs.h" 49 #include "md.h" 50 #include "msg_defs.h" 51 #include "menu_defs.h" 52 53 #define PART_BOOT_BSIZE 4096 54 #define PART_BOOT_FSIZE 512 55 56 void 57 md_init(void) 58 { 59 } 60 61 void 62 md_init_set_status(int flags) 63 { 64 65 (void)flags; 66 } 67 68 bool 69 md_get_info(struct install_partition_desc *install) 70 { 71 struct disklabel disklabel; 72 int fd; 73 char dev_name[100]; 74 75 snprintf(dev_name, sizeof(dev_name), "/dev/r%sc", pm->diskdev); 76 77 fd = open(dev_name, O_RDONLY, 0); 78 if (fd < 0) { 79 endwin(); 80 fprintf (stderr, "Can't open %s\n", dev_name); 81 exit(1); 82 } 83 if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) { 84 endwin(); 85 fprintf (stderr, "Can't read disklabel on %s.\n", dev_name); 86 close(fd); 87 exit(1); 88 } 89 close(fd); 90 91 pm->dlcyl = disklabel.d_ncylinders; 92 pm->dlhead = disklabel.d_ntracks; 93 pm->dlsec = disklabel.d_nsectors; 94 pm->sectorsize = disklabel.d_secsize; 95 pm->dlcylsize = disklabel.d_secpercyl; 96 97 /* 98 * Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->dlsec) 99 * and secperunit, just in case the disk is already labelled. 100 * (If our new label's RAW_PART size ends up smaller than the 101 * in-core RAW_PART size value, updating the label will fail.) 102 */ 103 pm->dlsize = pm->dlcyl * pm->dlhead * pm->dlsec; 104 if (disklabel.d_secperunit > pm->dlsize) 105 pm->dlsize = disklabel.d_secperunit; 106 107 return true; 108 } 109 110 /* 111 * md back-end code for menu-driven BSD disklabel editor. 112 */ 113 int 114 md_make_bsd_partitions(struct install_partition_desc *install) 115 { 116 117 return make_bsd_partitions(install); 118 } 119 120 static part_id 121 find_boot_part(struct install_partition_desc *install) 122 { 123 for (size_t i = 0; i < install->num; i++) { 124 if (install->infos[i].fs_type != PART_BOOT_TYPE) 125 continue; 126 if (install->infos[i].fs_version != PART_BOOT_SUBT) 127 continue; 128 if (install->infos[i].size < (PART_BOOT/512)) 129 continue; 130 if (install->infos[i].cur_start > 0) 131 continue; 132 return i; 133 } 134 return NO_PART; 135 } 136 137 /* 138 * any additional partition validation 139 */ 140 bool 141 md_check_partitions(struct install_partition_desc *install) 142 { 143 144 /* 145 * Make sure that a boot partition (old 4.3BSD UFS) is prepared 146 * properly for our native bootloader. 147 */ 148 if (find_boot_part(install) != NO_PART) 149 return true; 150 151 msg_display(MSG_nobootpartdisklabel); 152 process_menu(MENU_ok, NULL); 153 return false; 154 } 155 156 /* 157 * hook called before writing new disklabel. 158 */ 159 bool 160 md_pre_disklabel(struct install_partition_desc *install, 161 struct disk_partitions *parts) 162 { 163 164 return true; 165 } 166 167 /* 168 * hook called after writing disklabel to new target disk. 169 */ 170 bool 171 md_post_disklabel(struct install_partition_desc *install, 172 struct disk_partitions *parts) 173 { 174 return true; 175 } 176 177 static int 178 copy_bootloader(const char *diskdev) 179 { 180 const char *mntdir = "/mnt2"; 181 182 msg_fmt_display(MSG_copybootloader, "%s", diskdev); 183 if (!run_program(RUN_SILENT | RUN_ERROR_OK, 184 "mount %s %s", diskdev, mntdir)) { 185 mnt2_mounted = 1; 186 run_program(0, "/bin/cp /usr/mdec/boot %s", mntdir); 187 run_program(RUN_SILENT | RUN_ERROR_OK, "umount %s", mntdir); 188 mnt2_mounted = 0; 189 } else { 190 /* XXX print proper error message */ 191 return 1; 192 } 193 return 0; 194 } 195 196 /* 197 * hook called after install() has finished setting up the target disk 198 * but immediately before the user is given the ``disks are now set up'' 199 * message. 200 */ 201 int 202 md_post_newfs(struct install_partition_desc *install) 203 { 204 char rdisk[STRSIZE], disk[STRSIZE]; 205 part_id boot_part = find_boot_part(install); 206 207 if (boot_part == NO_PART) 208 return 1; 209 210 if (!install->infos[boot_part].parts->pscheme->get_part_device( 211 install->infos[boot_part].parts, 212 install->infos[boot_part].cur_part_id, 213 rdisk, sizeof rdisk, NULL, raw_dev_name, true, true)) 214 return 1; 215 if (!install->infos[boot_part].parts->pscheme->get_part_device( 216 install->infos[boot_part].parts, 217 install->infos[boot_part].cur_part_id, 218 disk, sizeof disk, NULL, plain_name, true, true)) 219 return 1; 220 221 if (run_program(RUN_DISPLAY | RUN_PROGRESS, 222 "/sbin/newfs -V2 -O 0 -b %d -f %d %s", 223 PART_BOOT_BSIZE, PART_BOOT_FSIZE, rdisk)) 224 return 1; 225 return copy_bootloader(disk); 226 } 227 228 int 229 md_post_extract(struct install_partition_desc *install, bool upgrade) 230 { 231 232 return 0; 233 } 234 235 void 236 md_cleanup_install(struct install_partition_desc *install) 237 { 238 239 #ifndef DEBUG 240 enable_rc_conf(); 241 #endif 242 msg_display(MSG_howtoboot); 243 process_menu(MENU_ok, NULL); 244 } 245 246 int 247 md_pre_update(struct install_partition_desc *install) 248 { 249 return 1; 250 } 251 252 /* Upgrade support */ 253 int 254 md_update(struct install_partition_desc *install) 255 { 256 const char *mntdir = "/mnt2"; 257 char bootpath[MAXPATHLEN]; 258 struct stat sb; 259 bool hasboot = false; 260 char disk[STRSIZE]; 261 part_id boot_part = find_boot_part(install); 262 263 if (boot_part == NO_PART) 264 return 0; 265 266 if (!install->infos[boot_part].parts->pscheme->get_part_device( 267 install->infos[boot_part].parts, 268 install->infos[boot_part].cur_part_id, 269 disk, sizeof disk, NULL, plain_name, true, true)) 270 return 0; 271 272 /* 273 * Check if there is a boot UFS parttion and it has the old bootloader. 274 * We'll update bootloader only if the old one was installed. 275 */ 276 if (!run_program(RUN_SILENT | RUN_ERROR_OK, 277 "mount -r %s %s", disk, mntdir)) { 278 mnt2_mounted = 1; 279 snprintf(bootpath, sizeof(bootpath), "%s/%s", mntdir, "boot"); 280 if (stat(bootpath, &sb) == 0 && S_ISREG(sb.st_mode)) 281 hasboot = true; 282 run_program(RUN_SILENT | RUN_ERROR_OK, "umount %s", mntdir); 283 mnt2_mounted = 0; 284 if (hasboot) 285 (void)copy_bootloader(disk); 286 } 287 return 1; 288 } 289 290 int 291 md_pre_mount(struct install_partition_desc *install, size_t ndx) 292 { 293 return 0; 294 } 295 296 bool 297 md_parts_use_wholedisk(struct disk_partitions *parts) 298 { 299 return parts_use_wholedisk(parts, 0, NULL); 300 } 301 302 #ifdef HAVE_GPT 303 bool 304 md_gpt_post_write(struct disk_partitions *parts, part_id root_id, 305 bool root_is_new, part_id efi_id, bool efi_is_new) 306 { 307 /* no GPT boot support, nothing needs to be done here */ 308 return true; 309 } 310 #endif 311