1 /* $NetBSD: md.c,v 1.6 2020/10/12 16:14:35 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/ioctl.h> 39 #include <sys/param.h> 40 #include <stdio.h> 41 #include <curses.h> 42 #include <unistd.h> 43 #include <fcntl.h> 44 #include <util.h> 45 46 #include "defs.h" 47 #include "md.h" 48 #include "msg_defs.h" 49 #include "menu_defs.h" 50 51 void 52 md_init(void) 53 { 54 } 55 56 void 57 md_init_set_status(int flags) 58 { 59 (void)flags; 60 } 61 62 bool 63 md_get_info(struct install_partition_desc *install) 64 { 65 struct disklabel disklabel; 66 int fd; 67 char dev_name[100]; 68 69 snprintf (dev_name, 100, "/dev/r%sc", pm->diskdev); 70 71 fd = open (dev_name, O_RDONLY, 0); 72 if (fd < 0) { 73 endwin(); 74 fprintf (stderr, "Can't open %s\n", dev_name); 75 exit(1); 76 } 77 if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) { 78 endwin(); 79 fprintf (stderr, "Can't read disklabel on %s.\n", dev_name); 80 close(fd); 81 exit(1); 82 } 83 close(fd); 84 85 pm->dlcyl = disklabel.d_ncylinders; 86 pm->dlhead = disklabel.d_ntracks; 87 pm->dlsec = disklabel.d_nsectors; 88 pm->sectorsize = disklabel.d_secsize; 89 pm->dlcylsize = disklabel.d_secpercyl; 90 91 /* 92 * Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->dlsec) 93 * and secperunit, just in case the disk is already labelled. 94 * (If our new label's RAW_PART size ends up smaller than the 95 * in-core RAW_PART size value, updating the label will fail.) 96 */ 97 pm->dlsize = pm->dlcyl*pm->dlhead*pm->dlsec; 98 if (disklabel.d_secperunit > pm->dlsize) 99 pm->dlsize = disklabel.d_secperunit; 100 101 return true; 102 } 103 104 /* 105 * md back-end code for menu-driven BSD disklabel editor. 106 */ 107 int 108 md_make_bsd_partitions(struct install_partition_desc *install) 109 { 110 return make_bsd_partitions(install); 111 } 112 113 /* 114 * any additional partition validation 115 */ 116 bool 117 md_check_partitions(struct install_partition_desc *install) 118 { 119 return true; 120 } 121 122 /* 123 * hook called before writing new disklabel. 124 */ 125 bool 126 md_pre_disklabel(struct install_partition_desc *install, 127 struct disk_partitions *parts) 128 { 129 return true; 130 } 131 132 /* 133 * hook called after writing disklabel to new target disk. 134 */ 135 bool 136 md_post_disklabel(struct install_partition_desc *install, 137 struct disk_partitions *parts) 138 { 139 return true; 140 } 141 142 /* 143 * hook called after upgrade() or install() has finished setting 144 * up the target disk but immediately before the user is given the 145 * ``disks are now set up'' message. 146 * 147 * On the macppc, we use this opportunity to install the boot blocks. 148 */ 149 int 150 md_post_newfs(struct install_partition_desc *install) 151 { 152 const char *bootfile = "/boot"; 153 154 /* 155 * XXX 156 * Only OpenFirmware version 1 and 2 machines need installboot(8) 157 * and it uses a faked Apple partition map with the primary bootxx. 158 * installboot(8) assumes that root partition is at the beginning of 159 * the disk and put a faked Apple partition map at the top of 160 * the partition, so it won't work if root partition has some 161 * offset from physical block 0 where the Apple driver descriptor 162 * map resides on. 163 * 164 * On OpenFirmware version 3 machines, the strategy used on OF1/2 165 * machines doesn't work (they don't recognize boot code info 166 * in Apple partition map entries) and they need to have 167 * an extra native partition (HFS or MSDOSFS) which can be 168 * recognized by the newer firmware to put a loadable bootloader. 169 * installboot(8) against partition `a' on such machines might 170 * corrupt existing disklabel or a valid Apple partition map. 171 * 172 * Currently there is no way to see OF version on running machine 173 * yet, so assume partition a has some offset on OF3 machines 174 * and don't try installboot(8) in that case. 175 */ 176 if (install->num == 0 || install->infos[0].cur_start != 0) 177 return 0; 178 179 msg_fmt_display(MSG_dobootblks, "%s", pm->diskdev); 180 cp_to_target("/usr/mdec/ofwboot", bootfile); 181 sync(); 182 run_program(RUN_DISPLAY, "/usr/sbin/installboot /dev/r%sa %s %s", 183 pm->diskdev, "/usr/mdec/bootxx", bootfile); 184 return 0; 185 } 186 187 int 188 md_post_extract(struct install_partition_desc *install) 189 { 190 return 0; 191 } 192 193 void 194 md_cleanup_install(struct install_partition_desc *install) 195 { 196 #ifndef DEBUG 197 enable_rc_conf(); 198 #endif 199 } 200 201 int 202 md_pre_update(struct install_partition_desc *install) 203 { 204 return 1; 205 } 206 207 /* Upgrade support */ 208 int 209 md_update(struct install_partition_desc *install) 210 { 211 md_post_newfs(install); 212 return 1; 213 } 214 215 int 216 md_pre_mount(struct install_partition_desc *install, size_t ndx) 217 { 218 return 0; 219 } 220 221 bool 222 md_parts_use_wholedisk(struct disk_partitions *parts) 223 { 224 return parts_use_wholedisk(parts, 0, NULL); 225 } 226 227 #ifdef HAVE_GPT 228 bool 229 md_gpt_post_write(struct disk_partitions *parts, part_id root_id, 230 bool root_is_new, part_id efi_id, bool efi_is_new) 231 { 232 /* no GPT boot support, nothing needs to be done here */ 233 return true; 234 } 235 #endif 236 237