1 /* $NetBSD: md.c,v 1.8 2022/01/29 16:01:18 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 -- ews4800mips 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 static int ews4800mips_boot_offset(void); 52 53 void 54 md_init(void) 55 { 56 } 57 58 void 59 md_init_set_status(int flags) 60 { 61 (void)flags; 62 } 63 64 bool 65 md_get_info(struct install_partition_desc *install) 66 { 67 struct disklabel disklabel; 68 int fd; 69 char dev_name[100]; 70 71 snprintf(dev_name, 100, "/dev/r%s%c", pm->diskdev, 'a' + getrawpartition()); 72 73 fd = open(dev_name, O_RDONLY, 0); 74 if (fd < 0) { 75 endwin(); 76 fprintf (stderr, "Can't open %s\n", dev_name); 77 exit(1); 78 } 79 if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) { 80 endwin(); 81 fprintf (stderr, "Can't read disklabel on %s.\n", dev_name); 82 close(fd); 83 exit(1); 84 } 85 close(fd); 86 87 pm->dlcyl = disklabel.d_ncylinders; 88 pm->dlhead = disklabel.d_ntracks; 89 pm->dlsec = disklabel.d_nsectors; 90 pm->sectorsize = disklabel.d_secsize; 91 pm->dlcylsize = disklabel.d_secpercyl; 92 93 /* 94 * Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->dlsec) 95 * and secperunit, just in case the disk is already labelled. 96 * (If our new label's RAW_PART size ends up smaller than the 97 * in-core RAW_PART size value, updating the label will fail.) 98 */ 99 pm->dlsize = pm->dlcyl * pm->dlhead * pm->dlsec; 100 if (disklabel.d_secperunit > pm->dlsize) 101 pm->dlsize = disklabel.d_secperunit; 102 103 return true; 104 } 105 106 /* 107 * md back-end code for menu-driven BSD disklabel editor. 108 */ 109 int 110 md_make_bsd_partitions(struct install_partition_desc *install) 111 { 112 113 return make_bsd_partitions(install); 114 } 115 116 /* 117 * any additional partition validation 118 */ 119 bool 120 md_check_partitions(struct install_partition_desc *install) 121 { 122 return true; 123 } 124 125 /* 126 * hook called before writing new disklabel. 127 */ 128 bool 129 md_pre_disklabel(struct install_partition_desc *install, 130 struct disk_partitions *parts) 131 { 132 part_id part; 133 struct disk_part_info info; 134 daddr_t boot_offset = ews4800mips_boot_offset(); 135 136 /* make sure the boot partition is at the right offset */ 137 for (part = 0; part < parts->num_part; part++) { 138 if (!parts->pscheme->get_part_info(parts, part, &info)) 139 continue; 140 if (info.flags & (PTI_SEC_CONTAINER|PTI_WHOLE_DISK| 141 PTI_PSCHEME_INTERNAL|PTI_RAW_PART)) 142 continue; 143 if (info.fs_type != PART_BOOT_TYPE) 144 continue; 145 if (info.start == boot_offset) 146 continue; 147 info.start = boot_offset; 148 parts->pscheme->set_part_info(parts, part, &info, NULL); 149 } 150 151 return true; 152 } 153 154 /* 155 * hook called after writing disklabel to new target disk. 156 */ 157 bool 158 md_post_disklabel(struct install_partition_desc *install, 159 struct disk_partitions *parts) 160 { 161 return true; 162 } 163 164 /* 165 * hook called after upgrade() or install() has finished setting 166 * up the target disk but immediately before the user is given the 167 * ``disks are now set up'' message. 168 * 169 * On the ews4800mips, we use this opportunity to install the boot blocks. 170 */ 171 int 172 md_post_newfs(struct install_partition_desc *install) 173 { 174 int flags; 175 176 flags = RUN_DISPLAY | RUN_FATAL; 177 cp_to_target("/usr/mdec/boot", "/stand/boot"); 178 run_program(flags, "/usr/sbin/installboot /dev/r%s%c %s", 179 pm->diskdev, 'a' + getrawpartition(), 180 "/usr/mdec/bootxx_bfs"); 181 182 return 0; 183 } 184 185 int 186 md_post_extract(struct install_partition_desc *install, bool upgrade) 187 { 188 return 0; 189 } 190 191 void 192 md_cleanup_install(struct install_partition_desc *install) 193 { 194 #ifndef DEBUG 195 enable_rc_conf(); 196 #endif 197 } 198 199 int 200 md_pre_update(struct install_partition_desc *install) 201 { 202 return 1; 203 } 204 205 /* Upgrade support */ 206 int 207 md_update(struct install_partition_desc *install) 208 { 209 md_post_newfs(install); 210 return 1; 211 } 212 213 static int 214 ews4800mips_boot_offset(void) 215 { 216 return pm->dlcylsize; 217 } 218 219 /* 220 * used in bsddisklabel.c as BOOT_SIZE 221 */ 222 int 223 ews4800mips_boot_size(void) 224 { 225 int i; 226 227 /* 228 * pm->dlcylsize : PDINFO block 229 * pm->dlcylsize : 100 block 230 */ 231 i = pm->dlcylsize + 100; 232 if (i >= 1024) /* XXX bsddisklabel.c hack. convert to byte count. */ 233 i = pm->dlcylsize * pm->sectorsize * 2; 234 235 return i; 236 } 237 238 /* 239 * used in bsddisklabel.c as SYSVBFS_SIZE 240 */ 241 int 242 ews4800mips_sysvbfs_size(void) 243 { 244 return (8 * 1024 * 1024) / 512; /* 8MB */ 245 } 246 247 int 248 md_pre_mount(struct install_partition_desc *install, size_t ndx) 249 { 250 return 0; 251 } 252 253 bool 254 md_parts_use_wholedisk(struct disk_partitions *parts) 255 { 256 struct disk_part_info boot_part = { 257 .size = PART_BOOT / 512, 258 .fs_type = PART_BOOT_TYPE, 259 }; 260 261 boot_part.nat_type = parts->pscheme->get_fs_part_type( 262 PT_root, boot_part.fs_type, boot_part.fs_sub_type); 263 264 return parts_use_wholedisk(parts, 1, &boot_part); 265 } 266 267 #ifdef HAVE_GPT 268 bool 269 md_gpt_post_write(struct disk_partitions *parts, part_id root_id, 270 bool root_is_new, part_id efi_id, bool efi_is_new) 271 { 272 /* no GPT boot support, nothing needs to be done here */ 273 return true; 274 } 275 #endif 276 277
Indexes created Sat Sep 20 22:09:52 GMT 2025