| 1 | /*␊ |
| 2 | * Copyright (c) 2002-2005 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * ␊ |
| 5 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 6 | * as defined in and that are subject to the Apple Public Source License␊ |
| 7 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 8 | * compliance with the License. Please obtain a copy of the License at␊ |
| 9 | * http://www.opensource.apple.com/apsl/ and read it before using this␊ |
| 10 | * file.␊ |
| 11 | * ␊ |
| 12 | * The Original Code and all software distributed under the License are␊ |
| 13 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 17 | * Please see the License for the specific language governing rights and␊ |
| 18 | * limitations under the License.␊ |
| 19 | * ␊ |
| 20 | * Copyright (c) 1997 Tobias Weingartner␊ |
| 21 | * All rights reserved.␊ |
| 22 | *␊ |
| 23 | * Redistribution and use in source and binary forms, with or without␊ |
| 24 | * modification, are permitted provided that the following conditions␊ |
| 25 | * are met:␊ |
| 26 | * 1. Redistributions of source code must retain the above copyright␊ |
| 27 | * notice, this list of conditions and the following disclaimer.␊ |
| 28 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
| 29 | * notice, this list of conditions and the following disclaimer in the␊ |
| 30 | * documentation and/or other materials provided with the distribution.␊ |
| 31 | * 3. All advertising materials mentioning features or use of this software␊ |
| 32 | * must display the following acknowledgement:␊ |
| 33 | * This product includes software developed by Tobias Weingartner.␊ |
| 34 | * 4. The name of the author may not be used to endorse or promote products␊ |
| 35 | * derived from this software without specific prior written permission.␊ |
| 36 | *␊ |
| 37 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR␊ |
| 38 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES␊ |
| 39 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.␊ |
| 40 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,␊ |
| 41 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT␊ |
| 42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,␊ |
| 43 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY␊ |
| 44 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT␊ |
| 45 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF␊ |
| 46 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.␊ |
| 47 | */␊ |
| 48 | ␊ |
| 49 | #include <stdio.h>␊ |
| 50 | #include <ctype.h>␊ |
| 51 | #include <memory.h>␊ |
| 52 | #include <stdlib.h>␊ |
| 53 | #include <unistd.h>␊ |
| 54 | #include <signal.h>␊ |
| 55 | #include <sys/fcntl.h>␊ |
| 56 | #include "disk.h"␊ |
| 57 | #include "misc.h"␊ |
| 58 | #include "user.h"␊ |
| 59 | #include "part.h"␊ |
| 60 | #include "cmd.h"␊ |
| 61 | #include "auto.h"␊ |
| 62 | ␊ |
| 63 | #define MAX(a, b) ((a) >= (b) ? (a) : (b))␊ |
| 64 | ␊ |
| 65 | int␊ |
| 66 | Xerase(cmd, disk, mbr, tt, offset)␊ |
| 67 | ␉cmd_t *cmd;␊ |
| 68 | ␉disk_t *disk;␊ |
| 69 | ␉mbr_t *mbr;␊ |
| 70 | ␉mbr_t *tt;␊ |
| 71 | ␉int offset;␊ |
| 72 | {␊ |
| 73 | bzero(mbr->part, sizeof(mbr->part));␊ |
| 74 | ␉mbr->signature = MBR_SIGNATURE;␊ |
| 75 | ␉return (CMD_DIRTY);␊ |
| 76 | }␊ |
| 77 | ␊ |
| 78 | int␊ |
| 79 | Xreinit(cmd, disk, mbr, tt, offset)␊ |
| 80 | ␉cmd_t *cmd;␊ |
| 81 | ␉disk_t *disk;␊ |
| 82 | ␉mbr_t *mbr;␊ |
| 83 | ␉mbr_t *tt;␊ |
| 84 | ␉int offset;␊ |
| 85 | {␊ |
| 86 | ␉/* Copy template MBR */␊ |
| 87 | ␉MBR_make(tt);␊ |
| 88 | ␉MBR_parse(disk, offset, 0, mbr);␊ |
| 89 | ␊ |
| 90 | ␉MBR_init(disk, mbr);␊ |
| 91 | ␊ |
| 92 | ␉/* Tell em we did something */␊ |
| 93 | ␉printf("In memory copy is initialized to:\n");␊ |
| 94 | ␉printf("Offset: %d\t", offset);␊ |
| 95 | ␉MBR_print(mbr);␊ |
| 96 | ␉printf("Use 'write' to update disk.\n");␊ |
| 97 | ␊ |
| 98 | ␉return (CMD_DIRTY);␊ |
| 99 | }␊ |
| 100 | ␊ |
| 101 | int␊ |
| 102 | Xauto(cmd, disk, mbr, tt, offset)␊ |
| 103 | ␉cmd_t *cmd;␊ |
| 104 | ␉disk_t *disk;␊ |
| 105 | ␉mbr_t *mbr;␊ |
| 106 | ␉mbr_t *tt;␊ |
| 107 | ␉int offset;␊ |
| 108 | {␊ |
| 109 | ␉if (cmd->args[0] == '\0') {␊ |
| 110 | ␉ printf("usage: auto <style>\n");␊ |
| 111 | ␉ printf(" where style is one of:\n");␊ |
| 112 | ␉ AUTO_print_styles(stdout);␊ |
| 113 | ␉ return (CMD_CONT);␊ |
| 114 | ␉}␊ |
| 115 | ␊ |
| 116 | if (AUTO_init(disk, cmd->args, mbr) != AUTO_OK) {␊ |
| 117 | ␉ return (CMD_CONT);␊ |
| 118 | ␉}␊ |
| 119 | ␉MBR_make(mbr);␊ |
| 120 | ␉return (CMD_DIRTY);␊ |
| 121 | }␊ |
| 122 | ␊ |
| 123 | int␊ |
| 124 | Xdisk(cmd, disk, mbr, tt, offset)␊ |
| 125 | ␉cmd_t *cmd;␊ |
| 126 | ␉disk_t *disk;␊ |
| 127 | ␉mbr_t *mbr;␊ |
| 128 | ␉mbr_t *tt;␊ |
| 129 | ␉int offset;␊ |
| 130 | {␊ |
| 131 | ␉int maxcyl = 1024;␊ |
| 132 | ␉int maxhead = 256;␊ |
| 133 | ␉int maxsec = 63;␊ |
| 134 | ␊ |
| 135 | ␉/* Print out disk info */␊ |
| 136 | ␉DISK_printmetrics(disk);␊ |
| 137 | ␊ |
| 138 | #if defined (__powerpc__) || defined (__mips__)␊ |
| 139 | ␉maxcyl = 9999999;␊ |
| 140 | ␉maxhead = 9999999;␊ |
| 141 | ␉maxsec = 9999999;␊ |
| 142 | #endif␊ |
| 143 | ␊ |
| 144 | ␉/* Ask for new info */␊ |
| 145 | ␉if (ask_yn("Change disk geometry?", 0)) {␊ |
| 146 | ␉␉disk->real->cylinders = ask_num("BIOS Cylinders", ASK_DEC,␊ |
| 147 | ␉␉ disk->real->cylinders, 1, maxcyl, NULL);␊ |
| 148 | ␉␉disk->real->heads = ask_num("BIOS Heads", ASK_DEC,␊ |
| 149 | ␉␉ disk->real->heads, 1, maxhead, NULL);␊ |
| 150 | ␉␉disk->real->sectors = ask_num("BIOS Sectors", ASK_DEC,␊ |
| 151 | ␉␉ disk->real->sectors, 1, maxsec, NULL);␊ |
| 152 | ␊ |
| 153 | ␉␉disk->real->size = disk->real->cylinders * disk->real->heads␊ |
| 154 | ␉␉␉* disk->real->sectors;␊ |
| 155 | ␉}␊ |
| 156 | ␊ |
| 157 | ␉return (CMD_CONT);␊ |
| 158 | }␊ |
| 159 | ␊ |
| 160 | int␊ |
| 161 | Xedit(cmd, disk, mbr, tt, offset)␊ |
| 162 | ␉cmd_t *cmd;␊ |
| 163 | ␉disk_t *disk;␊ |
| 164 | ␉mbr_t *mbr;␊ |
| 165 | ␉mbr_t *tt;␊ |
| 166 | ␉int offset;␊ |
| 167 | {␊ |
| 168 | ␉int pn, num, ret;␊ |
| 169 | ␉prt_t *pp;␊ |
| 170 | ␊ |
| 171 | ␉ret = CMD_CONT;␊ |
| 172 | ␊ |
| 173 | ␉if (!isdigit(cmd->args[0])) {␊ |
| 174 | ␉␉printf("Invalid argument: %s <partition number>\n", cmd->cmd);␊ |
| 175 | ␉␉return (ret);␊ |
| 176 | ␉}␊ |
| 177 | ␉pn = atoi(cmd->args) - 1;␊ |
| 178 | ␊ |
| 179 | ␉if (pn < 0 || pn > 3) {␊ |
| 180 | ␉␉printf("Invalid partition number.\n");␊ |
| 181 | ␉␉return (ret);␊ |
| 182 | ␉}␊ |
| 183 | ␊ |
| 184 | ␉/* Print out current table entry */␊ |
| 185 | ␉pp = &mbr->part[pn];␊ |
| 186 | ␉PRT_print(0, NULL);␊ |
| 187 | ␉PRT_print(pn, pp);␊ |
| 188 | ␊ |
| 189 | #define␉EDIT(p, f, v, n, m, h)␉␉␉␉\␊ |
| 190 | ␉if ((num = ask_num(p, f, v, n, m, h)) != v)␉\␊ |
| 191 | ␉␉ret = CMD_DIRTY;␉␉␉\␊ |
| 192 | ␉v = num;␊ |
| 193 | ␊ |
| 194 | ␉/* Ask for partition type */␊ |
| 195 | ␉EDIT("Partition id ('0' to disable) ", ASK_HEX, pp->id, 0, 0xFF, PRT_printall);␊ |
| 196 | ␊ |
| 197 | ␉/* Unused, so just zero out */␊ |
| 198 | ␉if (pp->id == DOSPTYP_UNUSED) {␊ |
| 199 | ␉␉memset(pp, 0, sizeof(*pp));␊ |
| 200 | ␉␉printf("Partition %d is disabled.\n", pn + 1);␊ |
| 201 | ␉␉return (ret);␊ |
| 202 | ␉}␊ |
| 203 | ␊ |
| 204 | ␉/* Change table entry */␊ |
| 205 | ␉if (ask_yn("Do you wish to edit in CHS mode?", 0)) {␊ |
| 206 | ␉␉int maxcyl, maxhead, maxsect;␊ |
| 207 | ␊ |
| 208 | ␉␉/* Shorter */␊ |
| 209 | ␉␉maxcyl = disk->real->cylinders - 1;␊ |
| 210 | ␉␉maxhead = disk->real->heads - 1;␊ |
| 211 | ␉␉maxsect = disk->real->sectors;␊ |
| 212 | ␊ |
| 213 | ␉␉/* Get data */␊ |
| 214 | ␉␉EDIT("BIOS Starting cylinder", ASK_DEC, pp->scyl, 0, maxcyl, NULL);␊ |
| 215 | ␉␉EDIT("BIOS Starting head", ASK_DEC, pp->shead, 0, maxhead, NULL);␊ |
| 216 | ␉␉EDIT("BIOS Starting sector", ASK_DEC, pp->ssect, 1, maxsect, NULL);␊ |
| 217 | ␉␉EDIT("BIOS Ending cylinder", ASK_DEC, pp->ecyl, 0, maxcyl, NULL);␊ |
| 218 | ␉␉EDIT("BIOS Ending head", ASK_DEC, pp->ehead, 0, maxhead, NULL);␊ |
| 219 | ␉␉EDIT("BIOS Ending sector", ASK_DEC, pp->esect, 1, maxsect, NULL);␊ |
| 220 | ␉␉/* Fix up off/size values */␊ |
| 221 | ␉␉PRT_fix_BN(disk, pp, pn);␊ |
| 222 | ␉␉/* Fix up CHS values for LBA */␊ |
| 223 | ␉␉PRT_fix_CHS(disk, pp, pn);␊ |
| 224 | ␉} else {␊ |
| 225 | ␉␉u_int m;␊ |
| 226 | ␊ |
| 227 | ␉␉if (pn == 0) {␊ |
| 228 | ␉␉␉pp->bs = 63 + offset;␊ |
| 229 | ␉␉} else {␊ |
| 230 | ␉␉␉if (mbr->part[pn-1].id != 0) {␊ |
| 231 | ␉␉␉␉pp->bs = mbr->part[pn-1].bs + mbr->part[pn-1].ns;␊ |
| 232 | ␉␉␉}␊ |
| 233 | ␉␉}␊ |
| 234 | ␉␉/* Get data */␊ |
| 235 | ␉␉EDIT("Partition offset", ASK_DEC, pp->bs, 0,␊ |
| 236 | ␉␉ disk->real->size, NULL);␊ |
| 237 | ␉␉m = MAX(pp->ns, disk->real->size - pp->bs);␊ |
| 238 | ␉␉if ( m > disk->real->size - pp->bs) {␊ |
| 239 | ␉␉␉/* dont have default value extend beyond end of disk */␊ |
| 240 | ␉␉␉m = disk->real->size - pp->bs;␊ |
| 241 | ␉␉}␊ |
| 242 | ␉␉pp->ns = m;␊ |
| 243 | ␉␉EDIT("Partition size", ASK_DEC, pp->ns, 1,␊ |
| 244 | ␉␉ m, NULL);␊ |
| 245 | ␊ |
| 246 | ␉␉/* Fix up CHS values */␊ |
| 247 | ␉␉PRT_fix_CHS(disk, pp, pn);␊ |
| 248 | ␉}␊ |
| 249 | #undef EDIT␊ |
| 250 | ␉return (ret);␊ |
| 251 | }␊ |
| 252 | ␊ |
| 253 | int␊ |
| 254 | Xsetpid(cmd, disk, mbr, tt, offset)␊ |
| 255 | ␉cmd_t *cmd;␊ |
| 256 | ␉disk_t *disk;␊ |
| 257 | ␉mbr_t *mbr;␊ |
| 258 | ␉mbr_t *tt;␊ |
| 259 | ␉int offset;␊ |
| 260 | {␊ |
| 261 | ␉int pn, num, ret;␊ |
| 262 | ␉prt_t *pp;␊ |
| 263 | ␊ |
| 264 | ␉ret = CMD_CONT;␊ |
| 265 | ␊ |
| 266 | ␉if (!isdigit(cmd->args[0])) {␊ |
| 267 | ␉␉printf("Invalid argument: %s <partition number>\n", cmd->cmd);␊ |
| 268 | ␉␉return (ret);␊ |
| 269 | ␉}␊ |
| 270 | ␉pn = atoi(cmd->args) - 1;␊ |
| 271 | ␊ |
| 272 | ␉if (pn < 0 || pn > 3) {␊ |
| 273 | ␉␉printf("Invalid partition number.\n");␊ |
| 274 | ␉␉return (ret);␊ |
| 275 | ␉}␊ |
| 276 | ␊ |
| 277 | ␉/* Print out current table entry */␊ |
| 278 | ␉pp = &mbr->part[pn];␊ |
| 279 | ␉PRT_print(0, NULL);␊ |
| 280 | ␉PRT_print(pn, pp);␊ |
| 281 | ␊ |
| 282 | #define␉EDIT(p, f, v, n, m, h)␉␉␉␉\␊ |
| 283 | ␉if ((num = ask_num(p, f, v, n, m, h)) != v)␉\␊ |
| 284 | ␉␉ret = CMD_DIRTY;␉␉␉\␊ |
| 285 | ␉v = num;␊ |
| 286 | ␊ |
| 287 | ␉/* Ask for partition type */␊ |
| 288 | ␉EDIT("Partition id ('0' to disable) ", ASK_HEX, pp->id, 0, 0xFF, PRT_printall);␊ |
| 289 | ␊ |
| 290 | #undef EDIT␊ |
| 291 | ␉return (ret);␊ |
| 292 | }␊ |
| 293 | int␊ |
| 294 | Xselect(cmd, disk, mbr, tt, offset)␊ |
| 295 | ␉cmd_t *cmd;␊ |
| 296 | ␉disk_t *disk;␊ |
| 297 | ␉mbr_t *mbr;␊ |
| 298 | ␉mbr_t *tt;␊ |
| 299 | ␉int offset;␊ |
| 300 | {␊ |
| 301 | ␉static int firstoff = 0;␊ |
| 302 | ␉int off;␊ |
| 303 | ␉int pn;␊ |
| 304 | ␊ |
| 305 | ␉if (!isdigit(cmd->args[0])) {␊ |
| 306 | ␉␉printf("Invalid argument: %s <partition number>\n", cmd->cmd);␊ |
| 307 | ␉␉return (CMD_CONT);␊ |
| 308 | ␉}␊ |
| 309 | ␊ |
| 310 | ␉pn = atoi(cmd->args) - 1;␊ |
| 311 | ␉if (pn < 0 || pn > 3) {␊ |
| 312 | ␉␉printf("Invalid partition number.\n");␊ |
| 313 | ␉␉return (CMD_CONT);␊ |
| 314 | ␉}␊ |
| 315 | ␊ |
| 316 | ␉off = mbr->part[pn].bs;␊ |
| 317 | ␊ |
| 318 | ␉/* Sanity checks */␊ |
| 319 | ␉if ((mbr->part[pn].id != DOSPTYP_EXTEND) &&␊ |
| 320 | ␉ (mbr->part[pn].id != DOSPTYP_EXTENDL)) {␊ |
| 321 | ␉␉printf("Partition %d is not an extended partition.\n", pn + 1);␊ |
| 322 | ␉␉return (CMD_CONT);␊ |
| 323 | ␉}␊ |
| 324 | ␊ |
| 325 | ␉if (firstoff == 0)␊ |
| 326 | ␉␉firstoff = off;␊ |
| 327 | ␊ |
| 328 | ␉if (!off) {␊ |
| 329 | ␉␉printf("Loop to offset 0! Not selected.\n");␊ |
| 330 | ␉␉return (CMD_CONT);␊ |
| 331 | ␉} else {␊ |
| 332 | ␉␉printf("Selected extended partition %d\n", pn + 1);␊ |
| 333 | ␉␉printf("New MBR at offset %d.\n", off);␊ |
| 334 | ␉}␊ |
| 335 | ␊ |
| 336 | ␉/* Recursion is beautifull! */␊ |
| 337 | ␉USER_modify(disk, tt, off, firstoff);␊ |
| 338 | ␉return (CMD_CONT);␊ |
| 339 | }␊ |
| 340 | ␊ |
| 341 | int␊ |
| 342 | Xprint(cmd, disk, mbr, tt, offset)␊ |
| 343 | ␉cmd_t *cmd;␊ |
| 344 | ␉disk_t *disk;␊ |
| 345 | ␉mbr_t *mbr;␊ |
| 346 | ␉mbr_t *tt;␊ |
| 347 | ␉int offset;␊ |
| 348 | {␊ |
| 349 | ␊ |
| 350 | ␉DISK_printmetrics(disk);␊ |
| 351 | ␉printf("Offset: %d\t", offset);␊ |
| 352 | ␉MBR_print(mbr);␊ |
| 353 | ␊ |
| 354 | ␉return (CMD_CONT);␊ |
| 355 | }␊ |
| 356 | ␊ |
| 357 | int␊ |
| 358 | Xwrite(cmd, disk, mbr, tt, offset)␊ |
| 359 | ␉cmd_t *cmd;␊ |
| 360 | ␉disk_t *disk;␊ |
| 361 | ␉mbr_t *mbr;␊ |
| 362 | ␉mbr_t *tt;␊ |
| 363 | ␉int offset;␊ |
| 364 | {␊ |
| 365 | ␉int fd;␊ |
| 366 | ␉int shared = 0;␊ |
| 367 | ␊ |
| 368 | ␉fd = DISK_openshared(disk->name, O_RDWR, &shared);␊ |
| 369 | ␉if(shared) {␊ |
| 370 | ␉ if(!ask_yn("Device could not be accessed exclusively.\nA reboot will be needed for changes to take effect. OK?", 0)) {␊ |
| 371 | ␉ close(fd);␊ |
| 372 | ␉ printf("MBR unchanged\n");␊ |
| 373 | ␉ return (CMD_CONT);␊ |
| 374 | ␉ }␊ |
| 375 | ␉}␊ |
| 376 | ␊ |
| 377 | ␉printf("Writing MBR at offset %d.\n", offset);␊ |
| 378 | ␊ |
| 379 | ␉MBR_make(mbr);␊ |
| 380 | ␉MBR_write(disk, fd, mbr);␊ |
| 381 | ␉close(fd);␊ |
| 382 | ␉return (CMD_CLEAN);␊ |
| 383 | }␊ |
| 384 | ␊ |
| 385 | int␊ |
| 386 | Xquit(cmd, disk, r, tt, offset)␊ |
| 387 | ␉cmd_t *cmd;␊ |
| 388 | ␉disk_t *disk;␊ |
| 389 | ␉mbr_t *r;␊ |
| 390 | ␉mbr_t *tt;␊ |
| 391 | ␉int offset;␊ |
| 392 | {␊ |
| 393 | ␊ |
| 394 | ␉/* Nothing to do here */␊ |
| 395 | ␉return (CMD_SAVE);␊ |
| 396 | }␊ |
| 397 | ␊ |
| 398 | int␊ |
| 399 | Xabort(cmd, disk, mbr, tt, offset)␊ |
| 400 | ␉cmd_t *cmd;␊ |
| 401 | ␉disk_t *disk;␊ |
| 402 | ␉mbr_t *mbr;␊ |
| 403 | ␉mbr_t *tt;␊ |
| 404 | ␉int offset;␊ |
| 405 | {␊ |
| 406 | ␉exit(0);␊ |
| 407 | ␊ |
| 408 | ␉/* NOTREACHED */␊ |
| 409 | ␉return (CMD_CONT);␊ |
| 410 | }␊ |
| 411 | ␊ |
| 412 | ␊ |
| 413 | int␊ |
| 414 | Xexit(cmd, disk, mbr, tt, offset)␊ |
| 415 | ␉cmd_t *cmd;␊ |
| 416 | ␉disk_t *disk;␊ |
| 417 | ␉mbr_t *mbr;␊ |
| 418 | ␉mbr_t *tt;␊ |
| 419 | ␉int offset;␊ |
| 420 | {␊ |
| 421 | ␊ |
| 422 | ␉/* Nothing to do here */␊ |
| 423 | ␉return (CMD_EXIT);␊ |
| 424 | }␊ |
| 425 | ␊ |
| 426 | int␊ |
| 427 | Xhelp(cmd, disk, mbr, tt, offset)␊ |
| 428 | ␉cmd_t *cmd;␊ |
| 429 | ␉disk_t *disk;␊ |
| 430 | ␉mbr_t *mbr;␊ |
| 431 | ␉mbr_t *tt;␊ |
| 432 | ␉int offset;␊ |
| 433 | {␊ |
| 434 | ␉cmd_table_t *cmd_table = cmd->table;␊ |
| 435 | ␉int i;␊ |
| 436 | ␊ |
| 437 | ␉/* Hmm, print out cmd_table here... */␊ |
| 438 | ␉for (i = 0; cmd_table[i].cmd != NULL; i++)␊ |
| 439 | ␉␉printf("\t%s\t\t%s\n", cmd_table[i].cmd, cmd_table[i].help);␊ |
| 440 | ␉return (CMD_CONT);␊ |
| 441 | }␊ |
| 442 | ␊ |
| 443 | int␊ |
| 444 | Xupdate(cmd, disk, mbr, tt, offset)␊ |
| 445 | ␉cmd_t *cmd;␊ |
| 446 | ␉disk_t *disk;␊ |
| 447 | ␉mbr_t *mbr;␊ |
| 448 | ␉mbr_t *tt;␊ |
| 449 | ␉int offset;␊ |
| 450 | {␊ |
| 451 | ␉extern char *mbr_binary;␊ |
| 452 | ␉/* Update code */␊ |
| 453 | ␉memcpy(mbr->code, mbr_binary, MBR_CODE_SIZE);␊ |
| 454 | ␉printf("Machine code updated.\n");␊ |
| 455 | ␉return (CMD_DIRTY);␊ |
| 456 | }␊ |
| 457 | ␊ |
| 458 | int␊ |
| 459 | Xflag(cmd, disk, mbr, tt, offset)␊ |
| 460 | ␉cmd_t *cmd;␊ |
| 461 | ␉disk_t *disk;␊ |
| 462 | ␉mbr_t *mbr;␊ |
| 463 | ␉mbr_t *tt;␊ |
| 464 | ␉int offset;␊ |
| 465 | {␊ |
| 466 | ␉int i, pn = -1;␊ |
| 467 | ␊ |
| 468 | ␉/* Parse partition table entry number */␊ |
| 469 | ␉if (!isdigit(cmd->args[0])) {␊ |
| 470 | ␉␉printf("Invalid argument: %s <partition number>\n", cmd->cmd);␊ |
| 471 | ␉␉return (CMD_CONT);␊ |
| 472 | ␉}␊ |
| 473 | ␉pn = atoi(cmd->args) - 1;␊ |
| 474 | ␊ |
| 475 | ␉if (pn < 0 || pn > 3) {␊ |
| 476 | ␉␉printf("Invalid partition number.\n");␊ |
| 477 | ␉␉return (CMD_CONT);␊ |
| 478 | ␉}␊ |
| 479 | ␊ |
| 480 | ␉/* Set active flag */␊ |
| 481 | ␉for (i = 0; i < 4; i++) {␊ |
| 482 | ␉␉if (i == pn)␊ |
| 483 | ␉␉␉mbr->part[i].flag = DOSACTIVE;␊ |
| 484 | ␉␉else␊ |
| 485 | ␉␉␉mbr->part[i].flag = 0x00;␊ |
| 486 | ␉}␊ |
| 487 | ␊ |
| 488 | ␉printf("Partition %d marked active.\n", pn + 1);␊ |
| 489 | ␉return (CMD_DIRTY);␊ |
| 490 | }␊ |
| 491 | ␊ |
| 492 | int␊ |
| 493 | Xmanual(cmd, disk, mbr, tt, offset)␊ |
| 494 | ␉cmd_t *cmd;␊ |
| 495 | ␉disk_t *disk;␊ |
| 496 | ␉mbr_t *mbr;␊ |
| 497 | ␉mbr_t *tt;␊ |
| 498 | ␉int offset;␊ |
| 499 | {␊ |
| 500 | ␉system("man 8 fdisk");␊ |
| 501 | ␉return (CMD_CONT);␊ |
| 502 | }␊ |
| 503 | |
