1 /* $NetBSD: md.c,v 1.8 2020/01/27 21:21:23 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 bool 73 md_get_info(struct install_partition_desc *install) 74 { 75 76 if (pm->no_mbr || pm->no_part) 77 return true; 78 79 if (pm->parts == NULL) { 80 81 const struct disk_partitioning_scheme *ps = 82 select_part_scheme(pm, NULL, true, NULL); 83 84 if (!ps) 85 return false; 86 87 struct disk_partitions *parts = 88 (*ps->create_new_for_disk)(pm->diskdev, 89 0, pm->dlsize, true, NULL); 90 if (!parts) 91 return false; 92 93 pm->parts = parts; 94 if (ps->size_limit > 0 && pm->dlsize > ps->size_limit) 95 pm->dlsize = ps->size_limit; 96 } 97 98 return set_bios_geom_with_mbr_guess(pm->parts); 99 } 100 101 bool 102 md_make_bsd_partitions(struct install_partition_desc *install) 103 { 104 return make_bsd_partitions(install); 105 } 106 107 /* 108 * any additional partition validation 109 */ 110 bool 111 md_check_partitions(struct install_partition_desc *install) 112 { 113 return true; 114 } 115 116 /* 117 * hook called before writing new disklabel. 118 */ 119 bool 120 md_pre_disklabel(struct install_partition_desc *install, 121 struct disk_partitions *parts) 122 { 123 124 if (parts->parent == NULL) 125 return true; /* no outer partitions */ 126 127 parts = parts->parent; 128 129 msg_display_subst(MSG_dofdisk, 3, parts->disk, 130 msg_string(parts->pscheme->name), 131 msg_string(parts->pscheme->short_name)); 132 133 /* write edited "MBR" onto disk. */ 134 if (!parts->pscheme->write_to_disk(parts)) { 135 msg_display(MSG_wmbrfail); 136 process_menu(MENU_ok, NULL); 137 return false; 138 } 139 return true; 140 } 141 142 /* 143 * hook called after writing disklabel to new target disk. 144 */ 145 bool 146 md_post_disklabel(struct install_partition_desc *install, 147 struct disk_partitions *parts) 148 { 149 return true; 150 } 151 152 /* 153 * hook called after upgrade() or install() has finished setting 154 * up the target disk but immediately before the user is given the 155 * ``disks are now set up'' message. 156 */ 157 int 158 md_post_newfs(struct install_partition_desc *install) 159 { 160 struct mbr_sector pbr; 161 char adevname[STRSIZE]; 162 ssize_t sz; 163 int fd = -1; 164 165 snprintf(adevname, sizeof(adevname), "/dev/r%sa", pm->diskdev); 166 fd = open(adevname, O_RDWR); 167 if (fd < 0) 168 goto out; 169 170 /* Read partition boot record */ 171 sz = pread(fd, &pbr, sizeof(pbr), 0); 172 if (sz != sizeof(pbr)) 173 goto out; 174 175 /* Check magic number */ 176 if (pbr.mbr_magic != le16toh(MBR_MAGIC)) 177 goto out; 178 179 #ifdef NETBSD_MAJOR 180 #define OSNAME "NetBSD" NETBSD_MAJOR 181 #else 182 #define OSNAME "NetBSD60" 183 #endif 184 /* Update oemname */ 185 memcpy(&pbr.mbr_oemname, OSNAME, sizeof(OSNAME) - 1); 186 187 /* Clear BPB */ 188 memset(&pbr.mbr_bpb, 0, sizeof(pbr.mbr_bpb)); 189 190 /* write-backed new patition boot record */ 191 (void)pwrite(fd, &pbr, sizeof(pbr), 0); 192 193 out: 194 if (fd >= 0) 195 close(fd); 196 return 0; 197 } 198 199 int 200 md_post_extract(struct install_partition_desc *install) 201 { 202 return 0; 203 } 204 205 void 206 md_cleanup_install(struct install_partition_desc *install) 207 { 208 #ifndef DEBUG 209 enable_rc_conf(); 210 #endif 211 } 212 213 int 214 md_pre_update(struct install_partition_desc *install) 215 { 216 return 1; 217 } 218 219 /* Upgrade support */ 220 int 221 md_update(struct install_partition_desc *install) 222 { 223 md_post_newfs(install); 224 return 1; 225 } 226 227 int 228 md_check_mbr(struct disk_partitions *parts, mbr_info_t *mbri, bool quiet) 229 { 230 return 2; 231 } 232 233 bool 234 md_parts_use_wholedisk(struct disk_partitions *parts) 235 { 236 237 return parts_use_wholedisk(parts, 0, NULL); 238 } 239 240 241 int 242 md_pre_mount(struct install_partition_desc *install, size_t ndx) 243 { 244 return 0; 245 } 246 247 bool 248 md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri) 249 { 250 return false; /* no change, no need to write back */ 251 } 252 253 #ifdef HAVE_GPT 254 bool 255 md_gpt_post_write(struct disk_partitions *parts, part_id root_id, 256 bool root_is_new, part_id efi_id, bool efi_is_new) 257 { 258 /* no GPT boot support, nothing needs to be done here */ 259 return true; 260 } 261 #endif 262 263