1 /* builtins.c - the GRUB builtin commands */ 2 /* 3 * GRUB -- GRand Unified Bootloader 4 * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* Include stdio.h before shared.h, because we can't define 27 WITHOUT_LIBC_STUBS here. */ 28 #ifdef GRUB_UTIL 29 # include <stdio.h> 30 #endif 31 32 #include <shared.h> 33 #include <filesys.h> 34 #include <term.h> 35 36 #ifdef SUPPORT_NETBOOT 37 # include <grub.h> 38 #endif 39 40 #ifdef SUPPORT_SERIAL 41 # include <serial.h> 42 # include <terminfo.h> 43 #endif 44 45 #ifdef GRUB_UTIL 46 # include <device.h> 47 #else /* ! GRUB_UTIL */ 48 # include <apic.h> 49 # include <smp-imps.h> 50 #endif /* ! GRUB_UTIL */ 51 52 #ifdef USE_MD5_PASSWORDS 53 # include <md5.h> 54 #endif 55 56 #include <cpu.h> 57 58 /* The type of kernel loaded. */ 59 kernel_t kernel_type; 60 /* The boot device. */ 61 static int bootdev; 62 /* True when the debug mode is turned on, and false 63 when it is turned off. */ 64 int debug = 0; 65 /* The default entry. */ 66 int default_entry = 0; 67 /* The fallback entry. */ 68 int fallback_entryno; 69 int fallback_entries[MAX_FALLBACK_ENTRIES]; 70 /* The number of current entry. */ 71 int current_entryno; 72 /* The address for Multiboot command-line buffer. */ 73 static char *mb_cmdline; 74 /* The password. */ 75 char *password; 76 /* The password type. */ 77 password_t password_type; 78 /* The flag for indicating that the user is authoritative. */ 79 int auth = 0; 80 /* The timeout. */ 81 int grub_timeout = -1; 82 /* Whether to show the menu or not. */ 83 int show_menu = 1; 84 /* The BIOS drive map. */ 85 static unsigned short bios_drive_map[DRIVE_MAP_SIZE + 1]; 86 87 /* Prototypes for allowing straightfoward calling of builtins functions 88 inside other functions. */ 89 static int configfile_func (char *arg, int flags); 90 #ifdef SUPPORT_NETBOOT 91 static void solaris_config_file (void); 92 #endif 93 94 static unsigned int min_mem64 = 0; 95 96 #if defined(__sun) && !defined(GRUB_UTIL) 97 extern void __enable_execute_stack (void *); 98 void 99 __enable_execute_stack (void *addr) 100 { 101 } 102 #endif /* __sun && !GRUB_UTIL */ 103 104 /* Initialize the data for builtins. */ 105 void 106 init_builtins (void) 107 { 108 kernel_type = KERNEL_TYPE_NONE; 109 /* BSD and chainloading evil hacks! */ 110 bootdev = set_bootdev (0); 111 mb_cmdline = (char *) MB_CMDLINE_BUF; 112 } 113 114 /* Initialize the data for the configuration file. */ 115 void 116 init_config (void) 117 { 118 default_entry = 0; 119 password = 0; 120 fallback_entryno = -1; 121 fallback_entries[0] = -1; 122 grub_timeout = -1; 123 current_rootpool[0] = '\0'; 124 current_bootfs[0] = '\0'; 125 current_bootpath[0] = '\0'; 126 current_bootfs_obj = 0; 127 current_devid[0] = '\0'; 128 is_zfs_mount = 0; 129 } 130 131 /* Check a password for correctness. Returns 0 if password was 132 correct, and a value != 0 for error, similarly to strcmp. */ 133 int 134 check_password (char *entered, char* expected, password_t type) 135 { 136 switch (type) 137 { 138 case PASSWORD_PLAIN: 139 return strcmp (entered, expected); 140 141 #ifdef USE_MD5_PASSWORDS 142 case PASSWORD_MD5: 143 return check_md5_password (entered, expected); 144 #endif 145 default: 146 /* unsupported password type: be secure */ 147 return 1; 148 } 149 } 150 151 /* Print which sector is read when loading a file. */ 152 static void 153 disk_read_print_func(unsigned int sector, int offset, int length) 154 { 155 grub_printf ("[%u,%d,%d]", sector, offset, length); 156 } 157 158 159 /* blocklist */ 160 static int 161 blocklist_func (char *arg, int flags) 162 { 163 char *dummy = (char *) RAW_ADDR (0x100000); 164 unsigned int start_sector = 0; 165 int num_sectors = 0; 166 int num_entries = 0; 167 int last_length = 0; 168 169 auto void disk_read_blocklist_func (unsigned int sector, int offset, 170 int length); 171 172 /* Collect contiguous blocks into one entry as many as possible, 173 and print the blocklist notation on the screen. */ 174 auto void disk_read_blocklist_func (unsigned int sector, int offset, 175 int length) 176 { 177 if (num_sectors > 0) 178 { 179 if (start_sector + num_sectors == sector 180 && offset == 0 && last_length == SECTOR_SIZE) 181 { 182 num_sectors++; 183 last_length = length; 184 return; 185 } 186 else 187 { 188 if (last_length == SECTOR_SIZE) 189 grub_printf ("%s%d+%d", num_entries ? "," : "", 190 start_sector - part_start, num_sectors); 191 else if (num_sectors > 1) 192 grub_printf ("%s%d+%d,%d[0-%d]", num_entries ? "," : "", 193 start_sector - part_start, num_sectors-1, 194 start_sector + num_sectors-1 - part_start, 195 last_length); 196 else 197 grub_printf ("%s%d[0-%d]", num_entries ? "," : "", 198 start_sector - part_start, last_length); 199 num_entries++; 200 num_sectors = 0; 201 } 202 } 203 204 if (offset > 0) 205 { 206 grub_printf("%s%u[%d-%d]", num_entries ? "," : "", 207 sector-part_start, offset, offset+length); 208 num_entries++; 209 } 210 else 211 { 212 start_sector = sector; 213 num_sectors = 1; 214 last_length = length; 215 } 216 } 217 218 /* Open the file. */ 219 if (! grub_open (arg)) 220 return 1; 221 222 /* Print the device name. */ 223 grub_printf ("(%cd%d", 224 (current_drive & 0x80) ? 'h' : 'f', 225 current_drive & ~0x80); 226 227 if ((current_partition & 0xFF0000) != 0xFF0000) 228 grub_printf (",%d", (current_partition >> 16) & 0xFF); 229 230 if ((current_partition & 0x00FF00) != 0x00FF00) 231 grub_printf (",%c", 'a' + ((current_partition >> 8) & 0xFF)); 232 233 grub_printf (")"); 234 235 /* Read in the whole file to DUMMY. */ 236 disk_read_hook = disk_read_blocklist_func; 237 if (! grub_read (dummy, -1)) 238 goto fail; 239 240 /* The last entry may not be printed yet. Don't check if it is a 241 * full sector, since it doesn't matter if we read too much. */ 242 if (num_sectors > 0) 243 grub_printf ("%s%d+%d", num_entries ? "," : "", 244 start_sector - part_start, num_sectors); 245 246 grub_printf ("\n"); 247 248 fail: 249 disk_read_hook = 0; 250 grub_close (); 251 return errnum; 252 } 253 254 static struct builtin builtin_blocklist = 255 { 256 "blocklist", 257 blocklist_func, 258 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 259 "blocklist FILE", 260 "Print the blocklist notation of the file FILE." 261 }; 262 263 /* boot */ 264 static int 265 boot_func (char *arg, int flags) 266 { 267 /* Clear the int15 handler if we can boot the kernel successfully. 268 This assumes that the boot code never fails only if KERNEL_TYPE is 269 not KERNEL_TYPE_NONE. Is this assumption is bad? */ 270 if (kernel_type != KERNEL_TYPE_NONE) 271 unset_int15_handler (); 272 273 #ifdef SUPPORT_NETBOOT 274 /* Shut down the networking. */ 275 cleanup_net (); 276 #endif 277 278 switch (kernel_type) 279 { 280 case KERNEL_TYPE_FREEBSD: 281 case KERNEL_TYPE_NETBSD: 282 /* *BSD */ 283 bsd_boot (kernel_type, bootdev, (char *) mbi.cmdline); 284 break; 285 286 case KERNEL_TYPE_LINUX: 287 /* Linux */ 288 linux_boot (); 289 break; 290 291 case KERNEL_TYPE_BIG_LINUX: 292 /* Big Linux */ 293 big_linux_boot (); 294 break; 295 296 case KERNEL_TYPE_CHAINLOADER: 297 /* Chainloader */ 298 299 /* Check if we should set the int13 handler. */ 300 if (bios_drive_map[0] != 0) 301 { 302 int i; 303 304 /* Search for SAVED_DRIVE. */ 305 for (i = 0; i < DRIVE_MAP_SIZE; i++) 306 { 307 if (! bios_drive_map[i]) 308 break; 309 else if ((bios_drive_map[i] & 0xFF) == saved_drive) 310 { 311 /* Exchage SAVED_DRIVE with the mapped drive. */ 312 saved_drive = (bios_drive_map[i] >> 8) & 0xFF; 313 break; 314 } 315 } 316 317 /* Set the handler. This is somewhat dangerous. */ 318 set_int13_handler (bios_drive_map); 319 } 320 321 gateA20 (0); 322 boot_drive = saved_drive; 323 chain_stage1 (0, BOOTSEC_LOCATION, boot_part_addr); 324 break; 325 326 case KERNEL_TYPE_MULTIBOOT: 327 /* Multiboot */ 328 #ifdef SUPPORT_NETBOOT 329 #ifdef SOLARIS_NETBOOT 330 if (current_drive == NETWORK_DRIVE) { 331 /* 332 * XXX Solaris hack: use drive_info to pass network information 333 * Turn off the flag bit to the loader is technically 334 * multiboot compliant. 335 */ 336 mbi.flags &= ~MB_INFO_DRIVE_INFO; 337 mbi.drives_length = dhcpack_length; 338 mbi.drives_addr = dhcpack_buf; 339 } 340 #endif /* SOLARIS_NETBOOT */ 341 #endif 342 multi_boot ((int) entry_addr, (int) &mbi); 343 break; 344 345 default: 346 errnum = ERR_BOOT_COMMAND; 347 return 1; 348 } 349 350 return 0; 351 } 352 353 static struct builtin builtin_boot = 354 { 355 "boot", 356 boot_func, 357 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 358 "boot", 359 "Boot the OS/chain-loader which has been loaded." 360 }; 361 362 363 #ifdef SUPPORT_NETBOOT 364 /* bootp */ 365 static int 366 bootp_func (char *arg, int flags) 367 { 368 int with_configfile = 0; 369 370 if (grub_memcmp (arg, "--with-configfile", sizeof ("--with-configfile") - 1) 371 == 0) 372 { 373 with_configfile = 1; 374 arg = skip_to (0, arg); 375 } 376 377 if (! bootp ()) 378 { 379 if (errnum == ERR_NONE) 380 errnum = ERR_DEV_VALUES; 381 382 return 1; 383 } 384 385 /* Notify the configuration. */ 386 print_network_configuration (); 387 388 /* XXX: this can cause an endless loop, but there is no easy way to 389 detect such a loop unfortunately. */ 390 if (with_configfile) 391 configfile_func (config_file, flags); 392 393 return 0; 394 } 395 396 static struct builtin builtin_bootp = 397 { 398 "bootp", 399 bootp_func, 400 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 401 "bootp [--with-configfile]", 402 "Initialize a network device via BOOTP. If the option `--with-configfile'" 403 " is given, try to load a configuration file specified by the 150 vendor" 404 " tag." 405 }; 406 #endif /* SUPPORT_NETBOOT */ 407 408 409 /* cat */ 410 static int 411 cat_func (char *arg, int flags) 412 { 413 char c; 414 415 if (! grub_open (arg)) 416 return 1; 417 418 while (grub_read (&c, 1)) 419 { 420 /* Because running "cat" with a binary file can confuse the terminal, 421 print only some characters as they are. */ 422 if (grub_isspace (c) || (c >= ' ' && c <= '~')) 423 grub_putchar (c); 424 else 425 grub_putchar ('?'); 426 } 427 428 grub_close (); 429 return 0; 430 } 431 432 static struct builtin builtin_cat = 433 { 434 "cat", 435 cat_func, 436 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 437 "cat FILE", 438 "Print the contents of the file FILE." 439 }; 440 441 442 /* chainloader */ 443 static int 444 chainloader_func (char *arg, int flags) 445 { 446 int force = 0; 447 char *file = arg; 448 449 /* If the option `--force' is specified? */ 450 if (substring ("--force", arg) <= 0) 451 { 452 force = 1; 453 file = skip_to (0, arg); 454 } 455 456 /* Open the file. */ 457 if (! grub_open (file)) 458 { 459 kernel_type = KERNEL_TYPE_NONE; 460 return 1; 461 } 462 463 /* Read the first block. */ 464 if (grub_read ((char *) BOOTSEC_LOCATION, SECTOR_SIZE) != SECTOR_SIZE) 465 { 466 grub_close (); 467 kernel_type = KERNEL_TYPE_NONE; 468 469 /* This below happens, if a file whose size is less than 512 bytes 470 is loaded. */ 471 if (errnum == ERR_NONE) 472 errnum = ERR_EXEC_FORMAT; 473 474 return 1; 475 } 476 477 /* If not loading it forcibly, check for the signature. */ 478 if (! force 479 && (*((unsigned short *) (BOOTSEC_LOCATION + BOOTSEC_SIG_OFFSET)) 480 != BOOTSEC_SIGNATURE)) 481 { 482 grub_close (); 483 errnum = ERR_EXEC_FORMAT; 484 kernel_type = KERNEL_TYPE_NONE; 485 return 1; 486 } 487 488 grub_close (); 489 kernel_type = KERNEL_TYPE_CHAINLOADER; 490 491 /* XXX: Windows evil hack. For now, only the first five letters are 492 checked. */ 493 if (IS_PC_SLICE_TYPE_FAT (current_slice) 494 && ! grub_memcmp ((char *) BOOTSEC_LOCATION + BOOTSEC_BPB_SYSTEM_ID, 495 "MSWIN", 5)) 496 *((unsigned long *) (BOOTSEC_LOCATION + BOOTSEC_BPB_HIDDEN_SECTORS)) 497 = part_start; 498 499 errnum = ERR_NONE; 500 501 return 0; 502 } 503 504 static struct builtin builtin_chainloader = 505 { 506 "chainloader", 507 chainloader_func, 508 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 509 "chainloader [--force] FILE", 510 "Load the chain-loader FILE. If --force is specified, then load it" 511 " forcibly, whether the boot loader signature is present or not." 512 }; 513 514 515 /* This function could be used to debug new filesystem code. Put a file 516 in the new filesystem and the same file in a well-tested filesystem. 517 Then, run "cmp" with the files. If no output is obtained, probably 518 the code is good, otherwise investigate what's wrong... */ 519 /* cmp FILE1 FILE2 */ 520 static int 521 cmp_func (char *arg, int flags) 522 { 523 /* The filenames. */ 524 char *file1, *file2; 525 /* The addresses. */ 526 char *addr1, *addr2; 527 int i; 528 /* The size of the file. */ 529 int size; 530 531 /* Get the filenames from ARG. */ 532 file1 = arg; 533 file2 = skip_to (0, arg); 534 if (! *file1 || ! *file2) 535 { 536 errnum = ERR_BAD_ARGUMENT; 537 return 1; 538 } 539 540 /* Terminate the filenames for convenience. */ 541 nul_terminate (file1); 542 nul_terminate (file2); 543 544 /* Read the whole data from FILE1. */ 545 addr1 = (char *) RAW_ADDR (0x100000); 546 if (! grub_open (file1)) 547 return 1; 548 549 /* Get the size. */ 550 size = filemax; 551 if (grub_read (addr1, -1) != size) 552 { 553 grub_close (); 554 return 1; 555 } 556 557 grub_close (); 558 559 /* Read the whole data from FILE2. */ 560 addr2 = addr1 + size; 561 if (! grub_open (file2)) 562 return 1; 563 564 /* Check if the size of FILE2 is equal to the one of FILE2. */ 565 if (size != filemax) 566 { 567 grub_printf ("Differ in size: 0x%x [%s], 0x%x [%s]\n", 568 size, file1, filemax, file2); 569 grub_close (); 570 return 0; 571 } 572 573 if (! grub_read (addr2, -1)) 574 { 575 grub_close (); 576 return 1; 577 } 578 579 grub_close (); 580 581 /* Now compare ADDR1 with ADDR2. */ 582 for (i = 0; i < size; i++) 583 { 584 if (addr1[i] != addr2[i]) 585 grub_printf ("Differ at the offset %d: 0x%x [%s], 0x%x [%s]\n", 586 i, (unsigned) addr1[i], file1, 587 (unsigned) addr2[i], file2); 588 } 589 590 return 0; 591 } 592 593 static struct builtin builtin_cmp = 594 { 595 "cmp", 596 cmp_func, 597 BUILTIN_CMDLINE, 598 "cmp FILE1 FILE2", 599 "Compare the file FILE1 with the FILE2 and inform the different values" 600 " if any." 601 }; 602 603 604 /* color */ 605 /* Set new colors used for the menu interface. Support two methods to 606 specify a color name: a direct integer representation and a symbolic 607 color name. An example of the latter is "blink-light-gray/blue". */ 608 static int 609 color_func (char *arg, int flags) 610 { 611 char *normal; 612 char *highlight; 613 int new_normal_color; 614 int new_highlight_color; 615 static char *color_list[16] = 616 { 617 "black", 618 "blue", 619 "green", 620 "cyan", 621 "red", 622 "magenta", 623 "brown", 624 "light-gray", 625 "dark-gray", 626 "light-blue", 627 "light-green", 628 "light-cyan", 629 "light-red", 630 "light-magenta", 631 "yellow", 632 "white" 633 }; 634 635 auto int color_number (char *str); 636 637 /* Convert the color name STR into the magical number. */ 638 auto int color_number (char *str) 639 { 640 char *ptr; 641 int i; 642 int color = 0; 643 644 /* Find the separator. */ 645 for (ptr = str; *ptr && *ptr != '/'; ptr++) 646 ; 647 648 /* If not found, return -1. */ 649 if (! *ptr) 650 return -1; 651 652 /* Terminate the string STR. */ 653 *ptr++ = 0; 654 655 /* If STR contains the prefix "blink-", then set the `blink' bit 656 in COLOR. */ 657 if (substring ("blink-", str) <= 0) 658 { 659 color = 0x80; 660 str += 6; 661 } 662 663 /* Search for the color name. */ 664 for (i = 0; i < 16; i++) 665 if (grub_strcmp (color_list[i], str) == 0) 666 { 667 color |= i; 668 break; 669 } 670 671 if (i == 16) 672 return -1; 673 674 str = ptr; 675 nul_terminate (str); 676 677 /* Search for the color name. */ 678 for (i = 0; i < 8; i++) 679 if (grub_strcmp (color_list[i], str) == 0) 680 { 681 color |= i << 4; 682 break; 683 } 684 685 if (i == 8) 686 return -1; 687 688 return color; 689 } 690 691 normal = arg; 692 highlight = skip_to (0, arg); 693 694 new_normal_color = color_number (normal); 695 if (new_normal_color < 0 && ! safe_parse_maxint (&normal, &new_normal_color)) 696 return 1; 697 698 /* The second argument is optional, so set highlight_color 699 to inverted NORMAL_COLOR. */ 700 if (! *highlight) 701 new_highlight_color = ((new_normal_color >> 4) 702 | ((new_normal_color & 0xf) << 4)); 703 else 704 { 705 new_highlight_color = color_number (highlight); 706 if (new_highlight_color < 0 707 && ! safe_parse_maxint (&highlight, &new_highlight_color)) 708 return 1; 709 } 710 711 if (current_term->setcolor) 712 current_term->setcolor (new_normal_color, new_highlight_color); 713 714 return 0; 715 } 716 717 static struct builtin builtin_color = 718 { 719 "color", 720 color_func, 721 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 722 "color NORMAL [HIGHLIGHT]", 723 "Change the menu colors. The color NORMAL is used for most" 724 " lines in the menu, and the color HIGHLIGHT is used to highlight the" 725 " line where the cursor points. If you omit HIGHLIGHT, then the" 726 " inverted color of NORMAL is used for the highlighted line." 727 " The format of a color is \"FG/BG\". FG and BG are symbolic color names." 728 " A symbolic color name must be one of these: black, blue, green," 729 " cyan, red, magenta, brown, light-gray, dark-gray, light-blue," 730 " light-green, light-cyan, light-red, light-magenta, yellow and white." 731 " But only the first eight names can be used for BG. You can prefix" 732 " \"blink-\" to FG if you want a blinking foreground color." 733 }; 734 735 736 /* configfile */ 737 static int 738 configfile_func (char *arg, int flags) 739 { 740 char *new_config = config_file; 741 742 /* Check if the file ARG is present. */ 743 if (! grub_open (arg)) 744 return 1; 745 746 grub_close (); 747 748 /* Copy ARG to CONFIG_FILE. */ 749 while ((*new_config++ = *arg++) != 0) 750 ; 751 752 #ifdef GRUB_UTIL 753 /* Force to load the configuration file. */ 754 use_config_file = 1; 755 #endif 756 757 /* Make sure that the user will not be authoritative. */ 758 auth = 0; 759 760 /* Restart cmain. */ 761 grub_longjmp (restart_env, 0); 762 763 /* Never reach here. */ 764 return 0; 765 } 766 767 static struct builtin builtin_configfile = 768 { 769 "configfile", 770 configfile_func, 771 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 772 "configfile FILE", 773 "Load FILE as the configuration file." 774 }; 775 776 777 /* debug */ 778 static int 779 debug_func (char *arg, int flags) 780 { 781 if (debug) 782 { 783 debug = 0; 784 grub_printf (" Debug mode is turned off\n"); 785 } 786 else 787 { 788 debug = 1; 789 grub_printf (" Debug mode is turned on\n"); 790 } 791 792 return 0; 793 } 794 795 static struct builtin builtin_debug = 796 { 797 "debug", 798 debug_func, 799 BUILTIN_CMDLINE, 800 "debug", 801 "Turn on/off the debug mode." 802 }; 803 804 805 /* default */ 806 static int 807 default_func (char *arg, int flags) 808 { 809 #ifndef SUPPORT_DISKLESS 810 if (grub_strcmp (arg, "saved") == 0) 811 { 812 default_entry = saved_entryno; 813 return 0; 814 } 815 #endif /* SUPPORT_DISKLESS */ 816 817 if (! safe_parse_maxint (&arg, &default_entry)) 818 return 1; 819 820 return 0; 821 } 822 823 static struct builtin builtin_default = 824 { 825 "default", 826 default_func, 827 BUILTIN_MENU, 828 #if 0 829 "default [NUM | `saved']", 830 "Set the default entry to entry number NUM (if not specified, it is" 831 " 0, the first entry) or the entry number saved by savedefault." 832 #endif 833 }; 834 835 836 #ifdef GRUB_UTIL 837 /* device */ 838 static int 839 device_func (char *arg, int flags) 840 { 841 char *drive = arg; 842 char *device; 843 844 /* Get the drive number from DRIVE. */ 845 if (! set_device (drive)) 846 return 1; 847 848 /* Get the device argument. */ 849 device = skip_to (0, drive); 850 851 /* Terminate DEVICE. */ 852 nul_terminate (device); 853 854 if (! *device || ! check_device (device)) 855 { 856 errnum = ERR_FILE_NOT_FOUND; 857 return 1; 858 } 859 860 assign_device_name (current_drive, device); 861 862 return 0; 863 } 864 865 static struct builtin builtin_device = 866 { 867 "device", 868 device_func, 869 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 870 "device DRIVE DEVICE", 871 "Specify DEVICE as the actual drive for a BIOS drive DRIVE. This command" 872 " can be used only in the grub shell." 873 }; 874 #endif /* GRUB_UTIL */ 875 876 #ifdef SUPPORT_NETBOOT 877 /* Debug Function for RPC */ 878 #ifdef RPC_DEBUG 879 /* portmap */ 880 static int 881 portmap_func (char *arg, int flags) 882 { 883 int port, prog, ver; 884 if (! grub_eth_probe ()){ 885 grub_printf ("No ethernet card found.\n"); 886 errnum = ERR_DEV_VALUES; 887 return 1; 888 } 889 if ((prog = getdec(&arg)) == -1){ 890 grub_printf("Error prog number\n"); 891 return 1; 892 } 893 arg = skip_to (0, arg); 894 if ((ver = getdec(&arg)) == -1){ 895 grub_printf("Error ver number\n"); 896 return 1; 897 } 898 port = __pmapudp_getport(ARP_SERVER, prog, ver); 899 printf("portmap getport %d", port); 900 return 0; 901 } 902 903 static struct builtin builtin_portmap = 904 { 905 "portmap", 906 portmap_func, 907 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 908 "portmap prog_number vers_number", 909 "Do portmap with the prog_number and vers_number" 910 }; 911 #endif /* RPC_DEBUG */ 912 913 /* dhcp */ 914 static int 915 dhcp_func (char *arg, int flags) 916 { 917 int with_configfile = 0; 918 919 if (grub_memcmp (arg, "--with-configfile", sizeof ("--with-configfile") - 1) 920 == 0) 921 { 922 with_configfile = 1; 923 arg = skip_to (0, arg); 924 } 925 926 if (! dhcp ()) 927 { 928 if (errnum == ERR_NONE) 929 errnum = ERR_DEV_VALUES; 930 931 return 1; 932 } 933 934 /* Notify the configuration. */ 935 print_network_configuration (); 936 937 /* XXX: this can cause an endless loop, but there is no easy way to 938 detect such a loop unfortunately. */ 939 if (with_configfile) 940 configfile_func (config_file, flags); 941 else 942 solaris_config_file(); 943 944 return 0; 945 } 946 947 static void solaris_config_file (void) 948 { 949 static char menufile[64]; 950 static char hexdigit[] = "0123456789ABCDEF"; 951 char *c = menufile; 952 int i; 953 int err; 954 955 /* if config_file is from DHCP option 150, keep the setting */ 956 if (grub_strcmp(config_file, "/boot/grub/menu.lst") != 0) 957 return; 958 959 /* default solaris configfile name menu.lst.01<ether_addr> */ 960 grub_strcpy(c, "menu.lst.01"); 961 c += grub_strlen(c); 962 for (i = 0; i < ETH_ALEN; i++) { 963 unsigned char b = arptable[ARP_CLIENT].node[i]; 964 *c++ = hexdigit[b >> 4]; 965 *c++ = hexdigit[b & 0xf]; 966 } 967 *c = 0; 968 969 /* 970 * If the file exists, make it the default. Else, fallback 971 * to what it was. Make sure we don't change errnum in the 972 * process. 973 */ 974 err = errnum; 975 if (grub_open(menufile)) { 976 grub_strcpy(config_file, menufile); 977 grub_close(); 978 } else { 979 char *cp = config_file; 980 /* skip leading slashes for tftp */ 981 while (*cp == '/') 982 ++cp; 983 grub_memmove (config_file, cp, strlen(cp) + 1); 984 } 985 errnum = err; 986 } 987 988 static struct builtin builtin_dhcp = 989 { 990 "dhcp", 991 dhcp_func, 992 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 993 "dhcp", 994 "Initialize a network device via DHCP." 995 }; 996 #endif /* SUPPORT_NETBOOT */ 997 998 static int terminal_func (char *arg, int flags); 999 1000 static int verbose_func(char *arg, int flags) { 1001 1002 if (grub_strcmp(arg, "off") == 0) { 1003 silent.status = DEFER_SILENT; 1004 return; 1005 } else 1006 if (flags == BUILTIN_CMDLINE) { 1007 silent.status = DEFER_VERBOSE; 1008 return; 1009 } 1010 1011 silent.status = VERBOSE; 1012 1013 /* get back to text console */ 1014 if (current_term->shutdown) { 1015 (*current_term->shutdown)(); 1016 current_term = term_table; /* assumption: console is first */ 1017 } 1018 1019 /* dump the buffer */ 1020 if (!silent.looped) { 1021 /* if the buffer hasn't looped, just print it */ 1022 printf("%s", silent.buffer); 1023 } else { 1024 /* 1025 * If the buffer has looped, first print the oldest part of the buffer, 1026 * which is one past the current null. Then print the newer part which 1027 * starts at the beginning of the buffer. 1028 */ 1029 printf("%s", silent.buffer_start + 1); 1030 printf("%s", silent.buffer); 1031 } 1032 1033 return 0; 1034 } 1035 1036 static struct builtin builtin_verbose = 1037 { 1038 "verbose", 1039 verbose_func, 1040 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 1041 "verbose", 1042 "Verbose output during menu entry (script) execution." 1043 }; 1044 1045 #ifdef SUPPORT_GRAPHICS 1046 1047 static int splashimage_func(char *arg, int flags) { 1048 char splashimage[64]; 1049 int i; 1050 1051 /* filename can only be 64 characters due to our buffer size */ 1052 if (strlen(arg) > 63) 1053 return 1; 1054 1055 if (flags == BUILTIN_SCRIPT) 1056 flags = BUILTIN_CMDLINE; 1057 1058 if (flags == BUILTIN_CMDLINE) { 1059 if (!grub_open(arg)) 1060 return 1; 1061 grub_close(); 1062 } 1063 1064 strcpy(splashimage, arg); 1065 1066 /* get rid of TERM_NEED_INIT from the graphics terminal. */ 1067 for (i = 0; term_table[i].name; i++) { 1068 if (grub_strcmp (term_table[i].name, "graphics") == 0) { 1069 term_table[i].flags &= ~TERM_NEED_INIT; 1070 break; 1071 } 1072 } 1073 1074 graphics_set_splash(splashimage); 1075 1076 if (flags == BUILTIN_CMDLINE && graphics_inited) { 1077 /* 1078 * calling graphics_end() here flickers the screen black. OTOH not 1079 * calling it gets us odd plane interlacing / early palette switching ? 1080 * ideally one should figure out how to double buffer and switch... 1081 */ 1082 graphics_end(); 1083 graphics_init(); 1084 graphics_cls(); 1085 } 1086 1087 /* FIXME: should we be explicitly switching the terminal as a 1088 * side effect here? */ 1089 terminal_func("graphics", flags); 1090 1091 reset_term = 0; 1092 1093 return 0; 1094 } 1095 1096 static struct builtin builtin_splashimage = 1097 { 1098 "splashimage", 1099 splashimage_func, 1100 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 1101 "splashimage FILE", 1102 "Load FILE as the background image when in graphics mode." 1103 }; 1104 1105 1106 /* foreground */ 1107 static int 1108 foreground_func(char *arg, int flags) 1109 { 1110 if (grub_strlen(arg) == 6) { 1111 int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2; 1112 int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2; 1113 int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2; 1114 1115 foreground = (r << 16) | (g << 8) | b; 1116 if (graphics_inited) 1117 graphics_set_palette(15, r, g, b); 1118 1119 return (0); 1120 } 1121 1122 return (1); 1123 } 1124 1125 static struct builtin builtin_foreground = 1126 { 1127 "foreground", 1128 foreground_func, 1129 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST | BUILTIN_SCRIPT, 1130 "foreground RRGGBB", 1131 "Sets the foreground color when in graphics mode." 1132 "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal." 1133 }; 1134 1135 1136 /* background */ 1137 static int 1138 background_func(char *arg, int flags) 1139 { 1140 if (grub_strlen(arg) == 6) { 1141 int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2; 1142 int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2; 1143 int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2; 1144 1145 background = (r << 16) | (g << 8) | b; 1146 if (graphics_inited) 1147 graphics_set_palette(0, r, g, b); 1148 return (0); 1149 } 1150 1151 return (1); 1152 } 1153 1154 static struct builtin builtin_background = 1155 { 1156 "background", 1157 background_func, 1158 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST | BUILTIN_SCRIPT, 1159 "background RRGGBB", 1160 "Sets the background color when in graphics mode." 1161 "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal." 1162 }; 1163 1164 #endif /* SUPPORT_GRAPHICS */ 1165 1166 1167 /* clear */ 1168 static int 1169 clear_func() 1170 { 1171 if (current_term->cls) 1172 current_term->cls(); 1173 1174 return 0; 1175 } 1176 1177 static struct builtin builtin_clear = 1178 { 1179 "clear", 1180 clear_func, 1181 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1182 "clear", 1183 "Clear the screen" 1184 }; 1185 1186 /* displayapm */ 1187 static int 1188 displayapm_func (char *arg, int flags) 1189 { 1190 if (mbi.flags & MB_INFO_APM_TABLE) 1191 { 1192 grub_printf ("APM BIOS information:\n" 1193 " Version: 0x%x\n" 1194 " 32-bit CS: 0x%x\n" 1195 " Offset: 0x%x\n" 1196 " 16-bit CS: 0x%x\n" 1197 " 16-bit DS: 0x%x\n" 1198 " 32-bit CS length: 0x%x\n" 1199 " 16-bit CS length: 0x%x\n" 1200 " 16-bit DS length: 0x%x\n", 1201 (unsigned) apm_bios_info.version, 1202 (unsigned) apm_bios_info.cseg, 1203 apm_bios_info.offset, 1204 (unsigned) apm_bios_info.cseg_16, 1205 (unsigned) apm_bios_info.dseg_16, 1206 (unsigned) apm_bios_info.cseg_len, 1207 (unsigned) apm_bios_info.cseg_16_len, 1208 (unsigned) apm_bios_info.dseg_16_len); 1209 } 1210 else 1211 { 1212 grub_printf ("No APM BIOS found or probe failed\n"); 1213 } 1214 1215 return 0; 1216 } 1217 1218 static struct builtin builtin_displayapm = 1219 { 1220 "displayapm", 1221 displayapm_func, 1222 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1223 "displayapm", 1224 "Display APM BIOS information." 1225 }; 1226 1227 1228 /* displaymem */ 1229 static int 1230 displaymem_func (char *arg, int flags) 1231 { 1232 if (get_eisamemsize () != -1) 1233 grub_printf (" EISA Memory BIOS Interface is present\n"); 1234 if (get_mmap_entry ((void *) SCRATCHADDR, 0) != 0 1235 || *((int *) SCRATCHADDR) != 0) 1236 grub_printf (" Address Map BIOS Interface is present\n"); 1237 1238 grub_printf (" Lower memory: %uK, " 1239 "Upper memory (to first chipset hole): %uK\n", 1240 mbi.mem_lower, mbi.mem_upper); 1241 1242 if (min_mem64 != 0) 1243 grub_printf (" Memory limit for 64-bit ISADIR expansion: %uMB\n", 1244 min_mem64); 1245 1246 if (mbi.flags & MB_INFO_MEM_MAP) 1247 { 1248 struct AddrRangeDesc *map = (struct AddrRangeDesc *) mbi.mmap_addr; 1249 int end_addr = mbi.mmap_addr + mbi.mmap_length; 1250 1251 grub_printf (" [Address Range Descriptor entries " 1252 "immediately follow (values are 64-bit)]\n"); 1253 while (end_addr > (int) map) 1254 { 1255 char *str; 1256 1257 if (map->Type == MB_ARD_MEMORY) 1258 str = "Usable RAM"; 1259 else 1260 str = "Reserved"; 1261 grub_printf (" %s: Base Address: 0x%x X 4GB + 0x%x,\n" 1262 " Length: 0x%x X 4GB + 0x%x bytes\n", 1263 str, 1264 (unsigned long) (map->BaseAddr >> 32), 1265 (unsigned long) (map->BaseAddr & 0xFFFFFFFF), 1266 (unsigned long) (map->Length >> 32), 1267 (unsigned long) (map->Length & 0xFFFFFFFF)); 1268 1269 map = ((struct AddrRangeDesc *) (((int) map) + 4 + map->size)); 1270 } 1271 } 1272 1273 return 0; 1274 } 1275 1276 static struct builtin builtin_displaymem = 1277 { 1278 "displaymem", 1279 displaymem_func, 1280 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1281 "displaymem", 1282 "Display what GRUB thinks the system address space map of the" 1283 " machine is, including all regions of physical RAM installed." 1284 }; 1285 1286 1287 /* dump FROM TO */ 1288 #ifdef GRUB_UTIL 1289 static int 1290 dump_func (char *arg, int flags) 1291 { 1292 char *from, *to; 1293 FILE *fp; 1294 char c; 1295 1296 from = arg; 1297 to = skip_to (0, arg); 1298 if (! *from || ! *to) 1299 { 1300 errnum = ERR_BAD_ARGUMENT; 1301 return 1; 1302 } 1303 1304 nul_terminate (from); 1305 nul_terminate (to); 1306 1307 if (! grub_open (from)) 1308 return 1; 1309 1310 fp = fopen (to, "w"); 1311 if (! fp) 1312 { 1313 errnum = ERR_WRITE; 1314 return 1; 1315 } 1316 1317 while (grub_read (&c, 1)) 1318 if (fputc (c, fp) == EOF) 1319 { 1320 errnum = ERR_WRITE; 1321 fclose (fp); 1322 return 1; 1323 } 1324 1325 if (fclose (fp) == EOF) 1326 { 1327 errnum = ERR_WRITE; 1328 return 1; 1329 } 1330 1331 grub_close (); 1332 return 0; 1333 } 1334 1335 static struct builtin builtin_dump = 1336 { 1337 "dump", 1338 dump_func, 1339 BUILTIN_CMDLINE, 1340 "dump FROM TO", 1341 "Dump the contents of the file FROM to the file TO. FROM must be" 1342 " a GRUB file and TO must be an OS file." 1343 }; 1344 #endif /* GRUB_UTIL */ 1345 1346 1347 static char embed_info[32]; 1348 /* embed */ 1349 /* Embed a Stage 1.5 in the first cylinder after MBR or in the 1350 bootloader block in a FFS. */ 1351 static int 1352 embed_func (char *arg, int flags) 1353 { 1354 char *stage1_5; 1355 char *device; 1356 char *stage1_5_buffer = (char *) RAW_ADDR (0x100000); 1357 int len, size; 1358 int sector; 1359 1360 stage1_5 = arg; 1361 device = skip_to (0, stage1_5); 1362 1363 /* Open a Stage 1.5. */ 1364 if (! grub_open (stage1_5)) 1365 return 1; 1366 1367 /* Read the whole of the Stage 1.5. */ 1368 len = grub_read (stage1_5_buffer, -1); 1369 grub_close (); 1370 1371 if (errnum) 1372 return 1; 1373 1374 size = (len + SECTOR_SIZE - 1) / SECTOR_SIZE; 1375 1376 /* Get the device where the Stage 1.5 will be embedded. */ 1377 set_device (device); 1378 if (errnum) 1379 return 1; 1380 1381 if (current_partition == 0xFFFFFF) 1382 { 1383 /* Embed it after the MBR. */ 1384 1385 char mbr[SECTOR_SIZE]; 1386 char ezbios_check[2*SECTOR_SIZE]; 1387 int i; 1388 1389 /* Open the partition. */ 1390 if (! open_partition ()) 1391 return 1; 1392 1393 /* No floppy has MBR. */ 1394 if (! (current_drive & 0x80)) 1395 { 1396 errnum = ERR_DEV_VALUES; 1397 return 1; 1398 } 1399 1400 /* Read the MBR of CURRENT_DRIVE. */ 1401 if (! rawread (current_drive, PC_MBR_SECTOR, 0, SECTOR_SIZE, mbr)) 1402 return 1; 1403 1404 /* Sanity check. */ 1405 if (! PC_MBR_CHECK_SIG (mbr)) 1406 { 1407 errnum = ERR_BAD_PART_TABLE; 1408 return 1; 1409 } 1410 1411 /* Check if the disk can store the Stage 1.5. */ 1412 for (i = 0; i < 4; i++) 1413 if (PC_SLICE_TYPE (mbr, i) && PC_SLICE_START (mbr, i) - 1 < size) 1414 { 1415 errnum = ERR_NO_DISK_SPACE; 1416 return 1; 1417 } 1418 1419 /* Check for EZ-BIOS signature. It should be in the third 1420 * sector, but due to remapping it can appear in the second, so 1421 * load and check both. 1422 */ 1423 if (! rawread (current_drive, 1, 0, 2 * SECTOR_SIZE, ezbios_check)) 1424 return 1; 1425 1426 if (! memcmp (ezbios_check + 3, "AERMH", 5) 1427 || ! memcmp (ezbios_check + 512 + 3, "AERMH", 5)) 1428 { 1429 /* The space after the MBR is used by EZ-BIOS which we must 1430 * not overwrite. 1431 */ 1432 errnum = ERR_NO_DISK_SPACE; 1433 return 1; 1434 } 1435 1436 sector = 1; 1437 } 1438 else 1439 { 1440 /* Embed it in the bootloader block in the filesystem. */ 1441 int start_sector; 1442 1443 /* Open the partition. */ 1444 if (! open_device ()) 1445 return 1; 1446 1447 /* Check if the current slice supports embedding. */ 1448 if (fsys_table[fsys_type].embed_func == 0 1449 || ! fsys_table[fsys_type].embed_func (&start_sector, size)) 1450 { 1451 errnum = ERR_DEV_VALUES; 1452 return 1; 1453 } 1454 1455 sector = part_start + start_sector; 1456 } 1457 1458 /* Clear the cache. */ 1459 buf_track = BUF_CACHE_INVALID; 1460 1461 /* Now perform the embedding. */ 1462 if (! devwrite (sector - part_start, size, stage1_5_buffer)) 1463 return 1; 1464 1465 grub_printf (" %d sectors are embedded.\n", size); 1466 grub_sprintf (embed_info, "%d+%d", sector - part_start, size); 1467 return 0; 1468 } 1469 1470 static struct builtin builtin_embed = 1471 { 1472 "embed", 1473 embed_func, 1474 BUILTIN_CMDLINE, 1475 "embed STAGE1_5 DEVICE", 1476 "Embed the Stage 1.5 STAGE1_5 in the sectors after MBR if DEVICE" 1477 " is a drive, or in the \"bootloader\" area if DEVICE is a FFS partition." 1478 " Print the number of sectors which STAGE1_5 occupies if successful." 1479 }; 1480 1481 1482 /* fallback */ 1483 static int 1484 fallback_func (char *arg, int flags) 1485 { 1486 int i = 0; 1487 1488 while (*arg) 1489 { 1490 int entry; 1491 int j; 1492 1493 if (! safe_parse_maxint (&arg, &entry)) 1494 return 1; 1495 1496 /* Remove duplications to prevent infinite looping. */ 1497 for (j = 0; j < i; j++) 1498 if (entry == fallback_entries[j]) 1499 break; 1500 if (j != i) 1501 continue; 1502 1503 fallback_entries[i++] = entry; 1504 if (i == MAX_FALLBACK_ENTRIES) 1505 break; 1506 1507 arg = skip_to (0, arg); 1508 } 1509 1510 if (i < MAX_FALLBACK_ENTRIES) 1511 fallback_entries[i] = -1; 1512 1513 fallback_entryno = (i == 0) ? -1 : 0; 1514 1515 return 0; 1516 } 1517 1518 static struct builtin builtin_fallback = 1519 { 1520 "fallback", 1521 fallback_func, 1522 BUILTIN_MENU, 1523 #if 0 1524 "fallback NUM...", 1525 "Go into unattended boot mode: if the default boot entry has any" 1526 " errors, instead of waiting for the user to do anything, it" 1527 " immediately starts over using the NUM entry (same numbering as the" 1528 " `default' command). This obviously won't help if the machine" 1529 " was rebooted by a kernel that GRUB loaded." 1530 #endif 1531 }; 1532 1533 1534 1535 void 1536 set_root (char *root, unsigned long drive, unsigned long part) 1537 { 1538 int bsd_part = (part >> 8) & 0xFF; 1539 int pc_slice = part >> 16; 1540 1541 if (bsd_part == 0xFF) { 1542 grub_sprintf (root, "(hd%d,%d)\n", drive - 0x80, pc_slice); 1543 } else { 1544 grub_sprintf (root, "(hd%d,%d,%c)\n", 1545 drive - 0x80, pc_slice, bsd_part + 'a'); 1546 } 1547 } 1548 1549 static int 1550 find_common (char *arg, char *root, int for_root, int flags) 1551 { 1552 char *filename = NULL; 1553 static char argpart[32]; 1554 static char device[32]; 1555 char *tmp_argpart = NULL; 1556 unsigned long drive; 1557 unsigned long tmp_drive = saved_drive; 1558 unsigned long tmp_partition = saved_partition; 1559 int got_file = 0; 1560 static char bootsign[BOOTSIGN_LEN]; 1561 1562 /* 1563 * If argument has partition information (findroot command only), then 1564 * it can't be a floppy 1565 */ 1566 if (for_root && arg[0] == '(') { 1567 tmp_argpart = grub_strchr(arg + 1, ','); 1568 if (tmp_argpart == NULL) 1569 goto out; 1570 grub_strcpy(argpart, tmp_argpart); 1571 *tmp_argpart = '\0'; 1572 arg++; 1573 grub_sprintf(bootsign, "%s/%s", BOOTSIGN_DIR, arg); 1574 filename = bootsign; 1575 goto harddisk; 1576 } else if (for_root) { 1577 /* Boot signature without partition/slice information */ 1578 grub_sprintf(bootsign, "%s/%s", BOOTSIGN_DIR, arg); 1579 filename = bootsign; 1580 } else { 1581 /* plain vanilla find cmd */ 1582 filename = arg; 1583 } 1584 1585 /* Floppies. */ 1586 for (drive = 0; drive < 8; drive++) 1587 { 1588 current_drive = drive; 1589 current_partition = 0xFFFFFF; 1590 1591 if (open_device ()) 1592 { 1593 saved_drive = current_drive; 1594 saved_partition = current_partition; 1595 if (grub_open (filename)) 1596 { 1597 grub_close (); 1598 got_file = 1; 1599 if (for_root) { 1600 grub_sprintf(root, "(fd%d)", drive); 1601 goto out; 1602 } else 1603 grub_printf (" (fd%d)\n", drive); 1604 } 1605 } 1606 1607 errnum = ERR_NONE; 1608 } 1609 1610 harddisk: 1611 /* Hard disks. */ 1612 for (drive = 0x80; drive < 0x88; drive++) 1613 { 1614 unsigned long part = 0xFFFFFF; 1615 unsigned long start, len, offset, ext_offset; 1616 int type, entry; 1617 char buf[SECTOR_SIZE]; 1618 1619 if (for_root && tmp_argpart) { 1620 grub_sprintf(device, "(hd%d%s", drive - 0x80, argpart); 1621 set_device(device); 1622 errnum = ERR_NONE; 1623 part = current_partition; 1624 if (open_device ()) { 1625 saved_drive = current_drive; 1626 saved_partition = current_partition; 1627 errnum = ERR_NONE; 1628 if (grub_open (filename)) { 1629 grub_close (); 1630 got_file = 1; 1631 if (is_zfs_mount == 0) { 1632 set_root(root, current_drive, current_partition); 1633 goto out; 1634 } else { 1635 best_drive = current_drive; 1636 best_part = current_partition; 1637 } 1638 } 1639 } 1640 errnum = ERR_NONE; 1641 continue; 1642 } 1643 current_drive = drive; 1644 while (next_partition (drive, 0xFFFFFF, &part, &type, 1645 &start, &len, &offset, &entry, 1646 &ext_offset, buf)) 1647 { 1648 if (type != PC_SLICE_TYPE_NONE 1649 && ! IS_PC_SLICE_TYPE_BSD (type) 1650 && ! IS_PC_SLICE_TYPE_EXTENDED (type)) 1651 { 1652 current_partition = part; 1653 if (open_device ()) 1654 { 1655 saved_drive = current_drive; 1656 saved_partition = current_partition; 1657 if (grub_open (filename)) 1658 { 1659 char tmproot[32]; 1660 1661 grub_close (); 1662 got_file = 1; 1663 set_root(tmproot, drive, part); 1664 if (for_root) { 1665 grub_memcpy(root, tmproot, sizeof(tmproot)); 1666 if (is_zfs_mount == 0) { 1667 goto out; 1668 } else { 1669 best_drive = current_drive; 1670 best_part = current_partition; 1671 } 1672 } else { 1673 grub_printf("%s", tmproot); 1674 } 1675 } 1676 } 1677 } 1678 1679 /* We want to ignore any error here. */ 1680 errnum = ERR_NONE; 1681 } 1682 1683 /* next_partition always sets ERRNUM in the last call, so clear 1684 it. */ 1685 errnum = ERR_NONE; 1686 } 1687 1688 out: 1689 if (is_zfs_mount && for_root) { 1690 set_root(root, best_drive, best_part); 1691 buf_drive = -1; 1692 } else { 1693 saved_drive = tmp_drive; 1694 saved_partition = tmp_partition; 1695 } 1696 if (tmp_argpart) 1697 *tmp_argpart = ','; 1698 1699 if (got_file) 1700 { 1701 errnum = ERR_NONE; 1702 return 0; 1703 } 1704 1705 errnum = ERR_FILE_NOT_FOUND; 1706 return 1; 1707 } 1708 1709 /* find */ 1710 /* Search for the filename ARG in all of partitions. */ 1711 static int 1712 find_func (char *arg, int flags) 1713 { 1714 return (find_common(arg, NULL, 0, flags)); 1715 } 1716 1717 static struct builtin builtin_find = 1718 { 1719 "find", 1720 find_func, 1721 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1722 "find FILENAME", 1723 "Search for the filename FILENAME in all of partitions and print the list of" 1724 " the devices which contain the file." 1725 }; 1726 1727 1728 /* fstest */ 1729 static int 1730 fstest_func (char *arg, int flags) 1731 { 1732 if (disk_read_hook) 1733 { 1734 disk_read_hook = NULL; 1735 printf (" Filesystem tracing is now off\n"); 1736 } 1737 else 1738 { 1739 disk_read_hook = disk_read_print_func; 1740 printf (" Filesystem tracing is now on\n"); 1741 } 1742 1743 return 0; 1744 } 1745 1746 static struct builtin builtin_fstest = 1747 { 1748 "fstest", 1749 fstest_func, 1750 BUILTIN_CMDLINE, 1751 "fstest", 1752 "Toggle filesystem test mode." 1753 }; 1754 1755 1756 /* geometry */ 1757 static int 1758 geometry_func (char *arg, int flags) 1759 { 1760 struct geometry geom; 1761 char *msg; 1762 char *device = arg; 1763 #ifdef GRUB_UTIL 1764 char *ptr; 1765 #endif 1766 1767 /* Get the device number. */ 1768 set_device (device); 1769 if (errnum) 1770 return 1; 1771 1772 /* Check for the geometry. */ 1773 if (get_diskinfo (current_drive, &geom)) 1774 { 1775 errnum = ERR_NO_DISK; 1776 return 1; 1777 } 1778 1779 /* Attempt to read the first sector, because some BIOSes turns out not 1780 to support LBA even though they set the bit 0 in the support 1781 bitmap, only after reading something actually. */ 1782 if (biosdisk (BIOSDISK_READ, current_drive, &geom, 0, 1, SCRATCHSEG)) 1783 { 1784 errnum = ERR_READ; 1785 return 1; 1786 } 1787 1788 #ifdef GRUB_UTIL 1789 ptr = skip_to (0, device); 1790 if (*ptr) 1791 { 1792 char *cylinder, *head, *sector, *total_sector; 1793 int num_cylinder, num_head, num_sector, num_total_sector; 1794 1795 cylinder = ptr; 1796 head = skip_to (0, cylinder); 1797 sector = skip_to (0, head); 1798 total_sector = skip_to (0, sector); 1799 if (! safe_parse_maxint (&cylinder, &num_cylinder) 1800 || ! safe_parse_maxint (&head, &num_head) 1801 || ! safe_parse_maxint (§or, &num_sector)) 1802 return 1; 1803 1804 disks[current_drive].cylinders = num_cylinder; 1805 disks[current_drive].heads = num_head; 1806 disks[current_drive].sectors = num_sector; 1807 1808 if (safe_parse_maxint (&total_sector, &num_total_sector)) 1809 disks[current_drive].total_sectors = num_total_sector; 1810 else 1811 disks[current_drive].total_sectors 1812 = num_cylinder * num_head * num_sector; 1813 errnum = 0; 1814 1815 geom = disks[current_drive]; 1816 buf_drive = -1; 1817 } 1818 #endif /* GRUB_UTIL */ 1819 1820 #ifdef GRUB_UTIL 1821 msg = device_map[current_drive]; 1822 #else 1823 if (geom.flags & BIOSDISK_FLAG_LBA_EXTENSION) 1824 msg = "LBA"; 1825 else 1826 msg = "CHS"; 1827 #endif 1828 1829 grub_printf ("drive 0x%x: C/H/S = %d/%d/%d, " 1830 "The number of sectors = %u, %s\n", 1831 current_drive, 1832 geom.cylinders, geom.heads, geom.sectors, 1833 geom.total_sectors, msg); 1834 real_open_partition (1); 1835 1836 return 0; 1837 } 1838 1839 static struct builtin builtin_geometry = 1840 { 1841 "geometry", 1842 geometry_func, 1843 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1844 "geometry DRIVE [CYLINDER HEAD SECTOR [TOTAL_SECTOR]]", 1845 "Print the information for a drive DRIVE. In the grub shell, you can" 1846 " set the geometry of the drive arbitrarily. The number of the cylinders," 1847 " the one of the heads, the one of the sectors and the one of the total" 1848 " sectors are set to CYLINDER, HEAD, SECTOR and TOTAL_SECTOR," 1849 " respectively. If you omit TOTAL_SECTOR, then it will be calculated based" 1850 " on the C/H/S values automatically." 1851 }; 1852 1853 1854 /* halt */ 1855 static int 1856 halt_func (char *arg, int flags) 1857 { 1858 int no_apm; 1859 1860 no_apm = (grub_memcmp (arg, "--no-apm", 8) == 0); 1861 grub_halt (no_apm); 1862 1863 /* Never reach here. */ 1864 return 1; 1865 } 1866 1867 static struct builtin builtin_halt = 1868 { 1869 "halt", 1870 halt_func, 1871 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1872 "halt [--no-apm]", 1873 "Halt your system. If APM is avaiable on it, turn off the power using" 1874 " the APM BIOS, unless you specify the option `--no-apm'." 1875 }; 1876 1877 1878 /* help */ 1879 #define MAX_SHORT_DOC_LEN 39 1880 #define MAX_LONG_DOC_LEN 66 1881 1882 static int 1883 help_func (char *arg, int flags) 1884 { 1885 int all = 0; 1886 1887 if (grub_memcmp (arg, "--all", sizeof ("--all") - 1) == 0) 1888 { 1889 all = 1; 1890 arg = skip_to (0, arg); 1891 } 1892 1893 if (! *arg) 1894 { 1895 /* Invoked with no argument. Print the list of the short docs. */ 1896 struct builtin **builtin; 1897 int left = 1; 1898 1899 for (builtin = builtin_table; *builtin != 0; builtin++) 1900 { 1901 int len; 1902 int i; 1903 1904 /* If this cannot be used in the command-line interface, 1905 skip this. */ 1906 if (! ((*builtin)->flags & BUILTIN_CMDLINE)) 1907 continue; 1908 1909 /* If this doesn't need to be listed automatically and "--all" 1910 is not specified, skip this. */ 1911 if (! all && ! ((*builtin)->flags & BUILTIN_HELP_LIST)) 1912 continue; 1913 1914 len = grub_strlen ((*builtin)->short_doc); 1915 /* If the length of SHORT_DOC is too long, truncate it. */ 1916 if (len > MAX_SHORT_DOC_LEN - 1) 1917 len = MAX_SHORT_DOC_LEN - 1; 1918 1919 for (i = 0; i < len; i++) 1920 grub_putchar ((*builtin)->short_doc[i]); 1921 1922 for (; i < MAX_SHORT_DOC_LEN; i++) 1923 grub_putchar (' '); 1924 1925 if (! left) 1926 grub_putchar ('\n'); 1927 1928 left = ! left; 1929 } 1930 1931 /* If the last entry was at the left column, no newline was printed 1932 at the end. */ 1933 if (! left) 1934 grub_putchar ('\n'); 1935 } 1936 else 1937 { 1938 /* Invoked with one or more patterns. */ 1939 do 1940 { 1941 struct builtin **builtin; 1942 char *next_arg; 1943 1944 /* Get the next argument. */ 1945 next_arg = skip_to (0, arg); 1946 1947 /* Terminate ARG. */ 1948 nul_terminate (arg); 1949 1950 for (builtin = builtin_table; *builtin; builtin++) 1951 { 1952 /* Skip this if this is only for the configuration file. */ 1953 if (! ((*builtin)->flags & BUILTIN_CMDLINE)) 1954 continue; 1955 1956 if (substring (arg, (*builtin)->name) < 1) 1957 { 1958 char *doc = (*builtin)->long_doc; 1959 1960 /* At first, print the name and the short doc. */ 1961 grub_printf ("%s: %s\n", 1962 (*builtin)->name, (*builtin)->short_doc); 1963 1964 /* Print the long doc. */ 1965 while (*doc) 1966 { 1967 int len = grub_strlen (doc); 1968 int i; 1969 1970 /* If LEN is too long, fold DOC. */ 1971 if (len > MAX_LONG_DOC_LEN) 1972 { 1973 /* Fold this line at the position of a space. */ 1974 for (len = MAX_LONG_DOC_LEN; len > 0; len--) 1975 if (doc[len - 1] == ' ') 1976 break; 1977 } 1978 1979 grub_printf (" "); 1980 for (i = 0; i < len; i++) 1981 grub_putchar (*doc++); 1982 grub_putchar ('\n'); 1983 } 1984 } 1985 } 1986 1987 arg = next_arg; 1988 } 1989 while (*arg); 1990 } 1991 1992 return 0; 1993 } 1994 1995 static struct builtin builtin_help = 1996 { 1997 "help", 1998 help_func, 1999 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2000 "help [--all] [PATTERN ...]", 2001 "Display helpful information about builtin commands. Not all commands" 2002 " aren't shown without the option `--all'." 2003 }; 2004 2005 2006 /* hiddenmenu */ 2007 static int 2008 hiddenmenu_func (char *arg, int flags) 2009 { 2010 show_menu = 0; 2011 return 0; 2012 } 2013 2014 static struct builtin builtin_hiddenmenu = 2015 { 2016 "hiddenmenu", 2017 hiddenmenu_func, 2018 BUILTIN_MENU, 2019 #if 0 2020 "hiddenmenu", 2021 "Hide the menu." 2022 #endif 2023 }; 2024 2025 2026 /* hide */ 2027 static int 2028 hide_func (char *arg, int flags) 2029 { 2030 if (! set_device (arg)) 2031 return 1; 2032 2033 if (! set_partition_hidden_flag (1)) 2034 return 1; 2035 2036 return 0; 2037 } 2038 2039 static struct builtin builtin_hide = 2040 { 2041 "hide", 2042 hide_func, 2043 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 2044 "hide PARTITION", 2045 "Hide PARTITION by setting the \"hidden\" bit in" 2046 " its partition type code." 2047 }; 2048 2049 2050 #ifdef SUPPORT_NETBOOT 2051 /* ifconfig */ 2052 static int 2053 ifconfig_func (char *arg, int flags) 2054 { 2055 char *svr = 0, *ip = 0, *gw = 0, *sm = 0; 2056 2057 if (! grub_eth_probe ()) 2058 { 2059 grub_printf ("No ethernet card found.\n"); 2060 errnum = ERR_DEV_VALUES; 2061 return 1; 2062 } 2063 2064 while (*arg) 2065 { 2066 if (! grub_memcmp ("--server=", arg, sizeof ("--server=") - 1)) 2067 svr = arg + sizeof("--server=") - 1; 2068 else if (! grub_memcmp ("--address=", arg, sizeof ("--address=") - 1)) 2069 ip = arg + sizeof ("--address=") - 1; 2070 else if (! grub_memcmp ("--gateway=", arg, sizeof ("--gateway=") - 1)) 2071 gw = arg + sizeof ("--gateway=") - 1; 2072 else if (! grub_memcmp ("--mask=", arg, sizeof("--mask=") - 1)) 2073 sm = arg + sizeof ("--mask=") - 1; 2074 else 2075 { 2076 errnum = ERR_BAD_ARGUMENT; 2077 return 1; 2078 } 2079 2080 arg = skip_to (0, arg); 2081 } 2082 2083 if (! ifconfig (ip, sm, gw, svr)) 2084 { 2085 errnum = ERR_BAD_ARGUMENT; 2086 return 1; 2087 } 2088 2089 print_network_configuration (); 2090 return 0; 2091 } 2092 2093 static struct builtin builtin_ifconfig = 2094 { 2095 "ifconfig", 2096 ifconfig_func, 2097 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 2098 "ifconfig [--address=IP] [--gateway=IP] [--mask=MASK] [--server=IP]", 2099 "Configure the IP address, the netmask, the gateway and the server" 2100 " address or print current network configuration." 2101 }; 2102 #endif /* SUPPORT_NETBOOT */ 2103 2104 2105 /* impsprobe */ 2106 static int 2107 impsprobe_func (char *arg, int flags) 2108 { 2109 #ifdef GRUB_UTIL 2110 /* In the grub shell, we cannot probe IMPS. */ 2111 errnum = ERR_UNRECOGNIZED; 2112 return 1; 2113 #else /* ! GRUB_UTIL */ 2114 if (!imps_probe ()) 2115 printf (" No MPS information found or probe failed\n"); 2116 2117 return 0; 2118 #endif /* ! GRUB_UTIL */ 2119 } 2120 2121 static struct builtin builtin_impsprobe = 2122 { 2123 "impsprobe", 2124 impsprobe_func, 2125 BUILTIN_CMDLINE, 2126 "impsprobe", 2127 "Probe the Intel Multiprocessor Specification 1.1 or 1.4" 2128 " configuration table and boot the various CPUs which are found into" 2129 " a tight loop." 2130 }; 2131 2132 2133 /* initrd */ 2134 static int 2135 initrd_func (char *arg, int flags) 2136 { 2137 switch (kernel_type) 2138 { 2139 case KERNEL_TYPE_LINUX: 2140 case KERNEL_TYPE_BIG_LINUX: 2141 if (! load_initrd (arg)) 2142 return 1; 2143 break; 2144 2145 default: 2146 errnum = ERR_NEED_LX_KERNEL; 2147 return 1; 2148 } 2149 2150 return 0; 2151 } 2152 2153 static struct builtin builtin_initrd = 2154 { 2155 "initrd", 2156 initrd_func, 2157 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2158 "initrd FILE [ARG ...]", 2159 "Load an initial ramdisk FILE for a Linux format boot image and set the" 2160 " appropriate parameters in the Linux setup area in memory." 2161 }; 2162 2163 2164 /* install */ 2165 static int 2166 install_func (char *arg, int flags) 2167 { 2168 char *stage1_file, *dest_dev, *file, *addr; 2169 char *stage1_buffer = (char *) RAW_ADDR (0x100000); 2170 char *stage2_buffer = stage1_buffer + SECTOR_SIZE; 2171 char *old_sect = stage2_buffer + SECTOR_SIZE; 2172 char *stage2_first_buffer = old_sect + SECTOR_SIZE; 2173 char *stage2_second_buffer = stage2_first_buffer + SECTOR_SIZE; 2174 /* XXX: Probably SECTOR_SIZE is reasonable. */ 2175 char *config_filename = stage2_second_buffer + SECTOR_SIZE; 2176 char *dummy = config_filename + SECTOR_SIZE; 2177 int new_drive = GRUB_INVALID_DRIVE; 2178 int dest_drive, dest_partition; 2179 unsigned int dest_sector; 2180 int src_drive, src_partition, src_part_start; 2181 int i; 2182 struct geometry dest_geom, src_geom; 2183 unsigned int saved_sector; 2184 unsigned int stage2_first_sector, stage2_second_sector; 2185 char *ptr; 2186 int installaddr, installlist; 2187 /* Point to the location of the name of a configuration file in Stage 2. */ 2188 char *config_file_location; 2189 /* If FILE is a Stage 1.5? */ 2190 int is_stage1_5 = 0; 2191 /* Must call grub_close? */ 2192 int is_open = 0; 2193 /* If LBA is forced? */ 2194 int is_force_lba = 0; 2195 /* Was the last sector full? */ 2196 int last_length = SECTOR_SIZE; 2197 2198 #ifdef GRUB_UTIL 2199 /* If the Stage 2 is in a partition mounted by an OS, this will store 2200 the filename under the OS. */ 2201 char *stage2_os_file = 0; 2202 #endif /* GRUB_UTIL */ 2203 2204 auto void disk_read_savesect_func (unsigned int sector, int offset, 2205 int length); 2206 auto void disk_read_blocklist_func (unsigned int sector, int offset, 2207 int length); 2208 2209 /* Save the first sector of Stage2 in STAGE2_SECT. */ 2210 auto void disk_read_savesect_func (unsigned int sector, int offset, 2211 int length) 2212 { 2213 if (debug) 2214 printf ("[%u]", sector); 2215 2216 /* ReiserFS has files which sometimes contain data not aligned 2217 on sector boundaries. Returning an error is better than 2218 silently failing. */ 2219 if (offset != 0 || length != SECTOR_SIZE) 2220 errnum = ERR_UNALIGNED; 2221 2222 saved_sector = sector; 2223 } 2224 2225 /* Write SECTOR to INSTALLLIST, and update INSTALLADDR and 2226 INSTALLSECT. */ 2227 auto void disk_read_blocklist_func (unsigned int sector, int offset, 2228 int length) 2229 { 2230 if (debug) 2231 printf("[%u]", sector); 2232 2233 if (offset != 0 || last_length != SECTOR_SIZE) 2234 { 2235 /* We found a non-sector-aligned data block. */ 2236 errnum = ERR_UNALIGNED; 2237 return; 2238 } 2239 2240 last_length = length; 2241 2242 if (*((unsigned long *) (installlist - 4)) 2243 + *((unsigned short *) installlist) != sector 2244 || installlist == (int) stage2_first_buffer + SECTOR_SIZE + 4) 2245 { 2246 installlist -= 8; 2247 2248 if (*((unsigned long *) (installlist - 8))) 2249 errnum = ERR_WONT_FIT; 2250 else 2251 { 2252 *((unsigned short *) (installlist + 2)) = (installaddr >> 4); 2253 *((unsigned long *) (installlist - 4)) = sector; 2254 } 2255 } 2256 2257 *((unsigned short *) installlist) += 1; 2258 installaddr += 512; 2259 } 2260 2261 /* First, check the GNU-style long option. */ 2262 while (1) 2263 { 2264 if (grub_memcmp ("--force-lba", arg, sizeof ("--force-lba") - 1) == 0) 2265 { 2266 is_force_lba = 1; 2267 arg = skip_to (0, arg); 2268 } 2269 #ifdef GRUB_UTIL 2270 else if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0) 2271 { 2272 stage2_os_file = arg + sizeof ("--stage2=") - 1; 2273 arg = skip_to (0, arg); 2274 nul_terminate (stage2_os_file); 2275 } 2276 #endif /* GRUB_UTIL */ 2277 else 2278 break; 2279 } 2280 2281 stage1_file = arg; 2282 dest_dev = skip_to (0, stage1_file); 2283 if (*dest_dev == 'd') 2284 { 2285 new_drive = 0; 2286 dest_dev = skip_to (0, dest_dev); 2287 } 2288 file = skip_to (0, dest_dev); 2289 addr = skip_to (0, file); 2290 2291 /* Get the installation address. */ 2292 if (! safe_parse_maxint (&addr, &installaddr)) 2293 { 2294 /* ADDR is not specified. */ 2295 installaddr = 0; 2296 ptr = addr; 2297 errnum = 0; 2298 } 2299 else 2300 ptr = skip_to (0, addr); 2301 2302 #ifndef NO_DECOMPRESSION 2303 /* Do not decompress Stage 1 or Stage 2. */ 2304 no_decompression = 1; 2305 #endif 2306 2307 /* Read Stage 1. */ 2308 is_open = grub_open (stage1_file); 2309 if (! is_open 2310 || ! grub_read (stage1_buffer, SECTOR_SIZE) == SECTOR_SIZE) 2311 goto fail; 2312 2313 /* Read the old sector from DEST_DEV. */ 2314 if (! set_device (dest_dev) 2315 || ! open_partition () 2316 || ! devread (0, 0, SECTOR_SIZE, old_sect)) 2317 goto fail; 2318 2319 /* Store the information for the destination device. */ 2320 dest_drive = current_drive; 2321 dest_partition = current_partition; 2322 dest_geom = buf_geom; 2323 dest_sector = part_start; 2324 2325 /* Copy the possible DOS BPB, 59 bytes at byte offset 3. */ 2326 grub_memmove (stage1_buffer + BOOTSEC_BPB_OFFSET, 2327 old_sect + BOOTSEC_BPB_OFFSET, 2328 BOOTSEC_BPB_LENGTH); 2329 2330 /* If for a hard disk, copy the possible MBR/extended part table. */ 2331 if (dest_drive & 0x80) 2332 grub_memmove (stage1_buffer + STAGE1_WINDOWS_NT_MAGIC, 2333 old_sect + STAGE1_WINDOWS_NT_MAGIC, 2334 STAGE1_PARTEND - STAGE1_WINDOWS_NT_MAGIC); 2335 2336 /* Check for the version and the signature of Stage 1. */ 2337 if (*((short *)(stage1_buffer + STAGE1_VER_MAJ_OFFS)) != COMPAT_VERSION 2338 || (*((unsigned short *) (stage1_buffer + BOOTSEC_SIG_OFFSET)) 2339 != BOOTSEC_SIGNATURE)) 2340 { 2341 errnum = ERR_BAD_VERSION; 2342 goto fail; 2343 } 2344 2345 /* This below is not true any longer. But should we leave this alone? */ 2346 2347 /* If DEST_DRIVE is a floppy, Stage 2 must have the iteration probe 2348 routine. */ 2349 if (! (dest_drive & 0x80) 2350 && (*((unsigned char *) (stage1_buffer + BOOTSEC_PART_OFFSET)) == 0x80 2351 || stage1_buffer[BOOTSEC_PART_OFFSET] == 0)) 2352 { 2353 errnum = ERR_BAD_VERSION; 2354 goto fail; 2355 } 2356 2357 grub_close (); 2358 2359 /* Open Stage 2. */ 2360 is_open = grub_open (file); 2361 if (! is_open) 2362 goto fail; 2363 2364 src_drive = current_drive; 2365 src_partition = current_partition; 2366 src_part_start = part_start; 2367 src_geom = buf_geom; 2368 2369 if (! new_drive) 2370 new_drive = src_drive; 2371 else if (src_drive != dest_drive) 2372 grub_printf ("Warning: the option `d' was not used, but the Stage 1 will" 2373 " be installed on a\ndifferent drive than the drive where" 2374 " the Stage 2 resides.\n"); 2375 2376 /* Set the boot drive. */ 2377 *((unsigned char *) (stage1_buffer + STAGE1_BOOT_DRIVE)) = new_drive; 2378 2379 /* Set the "force LBA" flag. */ 2380 *((unsigned char *) (stage1_buffer + STAGE1_FORCE_LBA)) = is_force_lba; 2381 2382 /* If DEST_DRIVE is a hard disk, enable the workaround, which is 2383 for buggy BIOSes which don't pass boot drive correctly. Instead, 2384 they pass 0x00 or 0x01 even when booted from 0x80. */ 2385 if (dest_drive & BIOS_FLAG_FIXED_DISK) 2386 /* Replace the jmp (2 bytes) with double nop's. */ 2387 *((unsigned short *) (stage1_buffer + STAGE1_BOOT_DRIVE_CHECK)) 2388 = 0x9090; 2389 2390 /* Read the first sector of Stage 2. */ 2391 disk_read_hook = disk_read_savesect_func; 2392 if (grub_read (stage2_first_buffer, SECTOR_SIZE) != SECTOR_SIZE) 2393 goto fail; 2394 2395 stage2_first_sector = saved_sector; 2396 2397 /* Read the second sector of Stage 2. */ 2398 if (grub_read (stage2_second_buffer, SECTOR_SIZE) != SECTOR_SIZE) 2399 goto fail; 2400 2401 stage2_second_sector = saved_sector; 2402 2403 /* Check for the version of Stage 2. */ 2404 if (*((short *) (stage2_second_buffer + STAGE2_VER_MAJ_OFFS)) 2405 != COMPAT_VERSION) 2406 { 2407 errnum = ERR_BAD_VERSION; 2408 goto fail; 2409 } 2410 2411 /* Check for the Stage 2 id. */ 2412 if (stage2_second_buffer[STAGE2_STAGE2_ID] != STAGE2_ID_STAGE2) 2413 is_stage1_5 = 1; 2414 2415 /* If INSTALLADDR is not specified explicitly in the command-line, 2416 determine it by the Stage 2 id. */ 2417 if (! installaddr) 2418 { 2419 if (! is_stage1_5) 2420 /* Stage 2. */ 2421 installaddr = 0x8000; 2422 else 2423 /* Stage 1.5. */ 2424 installaddr = 0x2000; 2425 } 2426 2427 *((unsigned long *) (stage1_buffer + STAGE1_STAGE2_SECTOR)) 2428 = stage2_first_sector; 2429 *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_ADDRESS)) 2430 = installaddr; 2431 *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_SEGMENT)) 2432 = installaddr >> 4; 2433 2434 i = (int) stage2_first_buffer + SECTOR_SIZE - 4; 2435 while (*((unsigned long *) i)) 2436 { 2437 if (i < (int) stage2_first_buffer 2438 || (*((int *) (i - 4)) & 0x80000000) 2439 || *((unsigned short *) i) >= 0xA00 2440 || *((short *) (i + 2)) == 0) 2441 { 2442 errnum = ERR_BAD_VERSION; 2443 goto fail; 2444 } 2445 2446 *((int *) i) = 0; 2447 *((int *) (i - 4)) = 0; 2448 i -= 8; 2449 } 2450 2451 installlist = (int) stage2_first_buffer + SECTOR_SIZE + 4; 2452 installaddr += SECTOR_SIZE; 2453 2454 /* Read the whole of Stage2 except for the first sector. */ 2455 grub_seek (SECTOR_SIZE); 2456 2457 disk_read_hook = disk_read_blocklist_func; 2458 if (! grub_read (dummy, -1)) 2459 goto fail; 2460 2461 disk_read_hook = 0; 2462 2463 /* Find a string for the configuration filename. */ 2464 config_file_location = stage2_second_buffer + STAGE2_VER_STR_OFFS; 2465 while (*(config_file_location++)) 2466 ; 2467 2468 /* Set the "force LBA" flag for Stage2. */ 2469 *((unsigned char *) (stage2_second_buffer + STAGE2_FORCE_LBA)) 2470 = is_force_lba; 2471 2472 if (*ptr == 'p') 2473 { 2474 *((long *) (stage2_second_buffer + STAGE2_INSTALLPART)) 2475 = src_partition; 2476 if (is_stage1_5) 2477 { 2478 /* Reset the device information in FILE if it is a Stage 1.5. */ 2479 unsigned long device = 0xFFFFFFFF; 2480 2481 grub_memmove (config_file_location, (char *) &device, 2482 sizeof (device)); 2483 } 2484 2485 ptr = skip_to (0, ptr); 2486 } 2487 2488 if (*ptr) 2489 { 2490 grub_strcpy (config_filename, ptr); 2491 nul_terminate (config_filename); 2492 2493 if (! is_stage1_5) 2494 /* If it is a Stage 2, just copy PTR to CONFIG_FILE_LOCATION. */ 2495 grub_strcpy (config_file_location, ptr); 2496 else 2497 { 2498 char *real_config; 2499 unsigned long device; 2500 2501 /* Translate the external device syntax to the internal device 2502 syntax. */ 2503 if (! (real_config = set_device (ptr))) 2504 { 2505 /* The Stage 2 PTR does not contain the device name, so 2506 use the root device instead. */ 2507 errnum = ERR_NONE; 2508 current_drive = saved_drive; 2509 current_partition = saved_partition; 2510 real_config = ptr; 2511 } 2512 2513 if (current_drive == src_drive) 2514 { 2515 /* If the drive where the Stage 2 resides is the same as 2516 the one where the Stage 1.5 resides, do not embed the 2517 drive number. */ 2518 current_drive = GRUB_INVALID_DRIVE; 2519 } 2520 2521 device = (current_drive << 24) | current_partition; 2522 grub_memmove (config_file_location, (char *) &device, 2523 sizeof (device)); 2524 grub_strcpy (config_file_location + sizeof (device), 2525 real_config); 2526 } 2527 2528 /* If a Stage 1.5 is used, then we need to modify the Stage2. */ 2529 if (is_stage1_5) 2530 { 2531 char *real_config_filename = skip_to (0, ptr); 2532 2533 is_open = grub_open (config_filename); 2534 if (! is_open) 2535 goto fail; 2536 2537 /* Skip the first sector. */ 2538 grub_seek (SECTOR_SIZE); 2539 2540 disk_read_hook = disk_read_savesect_func; 2541 if (grub_read (stage2_buffer, SECTOR_SIZE) != SECTOR_SIZE) 2542 goto fail; 2543 2544 disk_read_hook = 0; 2545 grub_close (); 2546 is_open = 0; 2547 2548 /* Sanity check. */ 2549 if (*(stage2_buffer + STAGE2_STAGE2_ID) != STAGE2_ID_STAGE2) 2550 { 2551 errnum = ERR_BAD_VERSION; 2552 goto fail; 2553 } 2554 2555 /* Set the "force LBA" flag for Stage2. */ 2556 *(stage2_buffer + STAGE2_FORCE_LBA) = is_force_lba; 2557 2558 /* If REAL_CONFIG_FILENAME is specified, copy it to the Stage2. */ 2559 if (*real_config_filename) 2560 { 2561 /* Specified */ 2562 char *location; 2563 2564 /* Find a string for the configuration filename. */ 2565 location = stage2_buffer + STAGE2_VER_STR_OFFS; 2566 while (*(location++)) 2567 ; 2568 2569 /* Copy the name. */ 2570 grub_strcpy (location, real_config_filename); 2571 } 2572 2573 /* Write it to the disk. */ 2574 buf_track = BUF_CACHE_INVALID; 2575 2576 #ifdef GRUB_UTIL 2577 /* In the grub shell, access the Stage 2 via the OS filesystem 2578 service, if possible. */ 2579 if (stage2_os_file) 2580 { 2581 FILE *fp; 2582 2583 fp = fopen (stage2_os_file, "r+"); 2584 if (! fp) 2585 { 2586 errnum = ERR_FILE_NOT_FOUND; 2587 goto fail; 2588 } 2589 2590 if (fseek (fp, SECTOR_SIZE, SEEK_SET) != 0) 2591 { 2592 fclose (fp); 2593 errnum = ERR_BAD_VERSION; 2594 goto fail; 2595 } 2596 2597 if (fwrite (stage2_buffer, 1, SECTOR_SIZE, fp) 2598 != SECTOR_SIZE) 2599 { 2600 fclose (fp); 2601 errnum = ERR_WRITE; 2602 goto fail; 2603 } 2604 2605 fclose (fp); 2606 } 2607 else 2608 #endif /* GRUB_UTIL */ 2609 { 2610 if (! devwrite (saved_sector - part_start, 1, stage2_buffer)) 2611 goto fail; 2612 } 2613 } 2614 } 2615 2616 /* Clear the cache. */ 2617 buf_track = BUF_CACHE_INVALID; 2618 2619 /* Write the modified sectors of Stage2 to the disk. */ 2620 #ifdef GRUB_UTIL 2621 if (! is_stage1_5 && stage2_os_file) 2622 { 2623 FILE *fp; 2624 2625 fp = fopen (stage2_os_file, "r+"); 2626 if (! fp) 2627 { 2628 errnum = ERR_FILE_NOT_FOUND; 2629 goto fail; 2630 } 2631 2632 if (fwrite (stage2_first_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE) 2633 { 2634 fclose (fp); 2635 errnum = ERR_WRITE; 2636 goto fail; 2637 } 2638 2639 if (fwrite (stage2_second_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE) 2640 { 2641 fclose (fp); 2642 errnum = ERR_WRITE; 2643 goto fail; 2644 } 2645 2646 fclose (fp); 2647 } 2648 else 2649 #endif /* GRUB_UTIL */ 2650 { 2651 /* The first. */ 2652 current_drive = src_drive; 2653 current_partition = src_partition; 2654 2655 if (! open_partition ()) 2656 goto fail; 2657 2658 if (! devwrite (stage2_first_sector - src_part_start, 1, 2659 stage2_first_buffer)) 2660 goto fail; 2661 2662 if (! devwrite (stage2_second_sector - src_part_start, 1, 2663 stage2_second_buffer)) 2664 goto fail; 2665 } 2666 2667 /* Write the modified sector of Stage 1 to the disk. */ 2668 current_drive = dest_drive; 2669 current_partition = dest_partition; 2670 if (! open_partition ()) 2671 goto fail; 2672 2673 devwrite (0, 1, stage1_buffer); 2674 2675 fail: 2676 if (is_open) 2677 grub_close (); 2678 2679 disk_read_hook = 0; 2680 2681 #ifndef NO_DECOMPRESSION 2682 no_decompression = 0; 2683 #endif 2684 2685 return errnum; 2686 } 2687 2688 static struct builtin builtin_install = 2689 { 2690 "install", 2691 install_func, 2692 BUILTIN_CMDLINE, 2693 "install [--stage2=STAGE2_FILE] [--force-lba] STAGE1 [d] DEVICE STAGE2 [ADDR] [p] [CONFIG_FILE] [REAL_CONFIG_FILE]", 2694 "Install STAGE1 on DEVICE, and install a blocklist for loading STAGE2" 2695 " as a Stage 2. If the option `d' is present, the Stage 1 will always" 2696 " look for the disk where STAGE2 was installed, rather than using" 2697 " the booting drive. The Stage 2 will be loaded at address ADDR, which" 2698 " will be determined automatically if you don't specify it. If" 2699 " the option `p' or CONFIG_FILE is present, then the first block" 2700 " of Stage 2 is patched with new values of the partition and name" 2701 " of the configuration file used by the true Stage 2 (for a Stage 1.5," 2702 " this is the name of the true Stage 2) at boot time. If STAGE2 is a Stage" 2703 " 1.5 and REAL_CONFIG_FILE is present, then the Stage 2 CONFIG_FILE is" 2704 " patched with the configuration filename REAL_CONFIG_FILE." 2705 " If the option `--force-lba' is specified, disable some sanity checks" 2706 " for LBA mode. If the option `--stage2' is specified, rewrite the Stage" 2707 " 2 via your OS's filesystem instead of the raw device." 2708 }; 2709 2710 2711 /* ioprobe */ 2712 static int 2713 ioprobe_func (char *arg, int flags) 2714 { 2715 #ifdef GRUB_UTIL 2716 2717 errnum = ERR_UNRECOGNIZED; 2718 return 1; 2719 2720 #else /* ! GRUB_UTIL */ 2721 2722 unsigned short *port; 2723 2724 /* Get the drive number. */ 2725 set_device (arg); 2726 if (errnum) 2727 return 1; 2728 2729 /* Clean out IO_MAP. */ 2730 grub_memset ((char *) io_map, 0, IO_MAP_SIZE * sizeof (unsigned short)); 2731 2732 /* Track the int13 handler. */ 2733 track_int13 (current_drive); 2734 2735 /* Print out the result. */ 2736 for (port = io_map; *port != 0; port++) 2737 grub_printf (" 0x%x", (unsigned int) *port); 2738 2739 return 0; 2740 2741 #endif /* ! GRUB_UTIL */ 2742 } 2743 2744 static struct builtin builtin_ioprobe = 2745 { 2746 "ioprobe", 2747 ioprobe_func, 2748 BUILTIN_CMDLINE, 2749 "ioprobe DRIVE", 2750 "Probe I/O ports used for the drive DRIVE." 2751 }; 2752 2753 2754 /* 2755 * To boot from a ZFS root filesystem, the kernel$ or module$ commands 2756 * must include "-B $ZFS-BOOTFS" to expand to the zfs-bootfs, bootpath, 2757 * and diskdevid boot property values for passing to the kernel: 2758 * 2759 * e.g. 2760 * kernel$ /platform/i86pc/kernel/$ISADIR/unix -B $ZFS-BOOTFS,console=ttya 2761 * 2762 * $ZFS-BOOTFS is expanded to 2763 * 2764 * zfs-bootfs=<rootpool-name/zfs-rootfilesystem-object-num>, 2765 * bootpath=<device phys path>, 2766 * diskdevid=<device id> 2767 * 2768 * if both bootpath and diskdevid can be found. 2769 * e.g 2770 * zfs-bootfs=rpool/85, 2771 * bootpath="/pci@0,0/pci1022,7450@a/pci17c2,10@4/sd@0,0:a", 2772 * diskdevid="id1,sd@SSEAGATE_ST336607LC______3JA0LNHE0000741326W6/a" 2773 */ 2774 static int 2775 expand_dollar_bootfs(char *in, char *out) 2776 { 2777 char *token, *tmpout = out; 2778 int outlen, blen; 2779 int postcomma = 0; 2780 2781 if (current_bootpath[0] == '\0' && current_devid[0] == '\0') { 2782 errnum = ERR_NO_BOOTPATH; 2783 return (1); 2784 } 2785 2786 outlen = strlen(in); 2787 blen = current_bootfs_obj == 0 ? strlen(current_rootpool) : 2788 strlen(current_rootpool) + 11; 2789 2790 out[0] = '\0'; 2791 while (token = strstr(in, "$ZFS-BOOTFS")) { 2792 2793 if ((outlen += blen) >= MAX_CMDLINE) { 2794 errnum = ERR_WONT_FIT; 2795 return (1); 2796 } 2797 2798 token[0] = '\0'; 2799 grub_sprintf(tmpout, "%s", in); 2800 token[0] = '$'; 2801 in = token + 11; /* skip over $ZFS-BOOTFS */ 2802 tmpout = out + strlen(out); 2803 2804 /* Note: %u only fits 32 bit integer; */ 2805 if (current_bootfs_obj > 0) 2806 grub_sprintf(tmpout, "zfs-bootfs=%s/%u", 2807 current_rootpool, current_bootfs_obj); 2808 else 2809 grub_sprintf(tmpout, "zfs-bootfs=%s", 2810 current_rootpool); 2811 tmpout = out + strlen(out); 2812 } 2813 2814 /* 2815 * Check to see if 'zfs-bootfs' was explicitly specified on the command 2816 * line so that we can insert the 'bootpath' property. 2817 */ 2818 if ((tmpout == out) && (token = strstr(in, "zfs-bootfs")) != NULL) { 2819 token[0] = '\0'; 2820 grub_strcpy(tmpout, in); 2821 token[0] = 'z'; 2822 in = token; 2823 2824 tmpout = out + strlen(out); 2825 postcomma = 1; 2826 } 2827 2828 /* 2829 * Set the 'bootpath' property if a ZFS dataset was specified, either 2830 * through '$ZFS-BOOTFS' or an explicit 'zfs-bootfs' setting. 2831 */ 2832 if (tmpout != out) { 2833 if (current_bootpath[0] != '\0') { 2834 if ((outlen += 12 + strlen(current_bootpath)) 2835 >= MAX_CMDLINE) { 2836 errnum = ERR_WONT_FIT; 2837 return (1); 2838 } 2839 grub_sprintf(tmpout, 2840 postcomma ? "bootpath=\"%s\"," : ",bootpath=\"%s\"", 2841 current_bootpath); 2842 tmpout = out + strlen(out); 2843 } 2844 2845 if (current_devid[0] != '\0') { 2846 if ((outlen += 13 + strlen(current_devid)) 2847 >= MAX_CMDLINE) { 2848 errnum = ERR_WONT_FIT; 2849 return (1); 2850 } 2851 grub_sprintf(tmpout, 2852 postcomma ? "diskdevid=\"%s\"," : ",diskdevid=\"%s\"", 2853 current_devid); 2854 } 2855 } 2856 2857 strncat(out, in, MAX_CMDLINE); 2858 return (0); 2859 } 2860 2861 /* kernel */ 2862 static int 2863 kernel_func (char *arg, int flags) 2864 { 2865 int len; 2866 kernel_t suggested_type = KERNEL_TYPE_NONE; 2867 unsigned long load_flags = 0; 2868 2869 #ifndef AUTO_LINUX_MEM_OPT 2870 load_flags |= KERNEL_LOAD_NO_MEM_OPTION; 2871 #endif 2872 2873 /* Deal with GNU-style long options. */ 2874 while (1) 2875 { 2876 /* If the option `--type=TYPE' is specified, convert the string to 2877 a kernel type. */ 2878 if (grub_memcmp (arg, "--type=", 7) == 0) 2879 { 2880 arg += 7; 2881 2882 if (grub_memcmp (arg, "netbsd", 6) == 0) 2883 suggested_type = KERNEL_TYPE_NETBSD; 2884 else if (grub_memcmp (arg, "freebsd", 7) == 0) 2885 suggested_type = KERNEL_TYPE_FREEBSD; 2886 else if (grub_memcmp (arg, "openbsd", 7) == 0) 2887 /* XXX: For now, OpenBSD is identical to NetBSD, from GRUB's 2888 point of view. */ 2889 suggested_type = KERNEL_TYPE_NETBSD; 2890 else if (grub_memcmp (arg, "linux", 5) == 0) 2891 suggested_type = KERNEL_TYPE_LINUX; 2892 else if (grub_memcmp (arg, "biglinux", 8) == 0) 2893 suggested_type = KERNEL_TYPE_BIG_LINUX; 2894 else if (grub_memcmp (arg, "multiboot", 9) == 0) 2895 suggested_type = KERNEL_TYPE_MULTIBOOT; 2896 else 2897 { 2898 errnum = ERR_BAD_ARGUMENT; 2899 return 1; 2900 } 2901 } 2902 /* If the `--no-mem-option' is specified, don't pass a Linux's mem 2903 option automatically. If the kernel is another type, this flag 2904 has no effect. */ 2905 else if (grub_memcmp (arg, "--no-mem-option", 15) == 0) 2906 load_flags |= KERNEL_LOAD_NO_MEM_OPTION; 2907 else 2908 break; 2909 2910 /* Try the next. */ 2911 arg = skip_to (0, arg); 2912 } 2913 2914 len = grub_strlen (arg); 2915 2916 /* Reset MB_CMDLINE. */ 2917 mb_cmdline = (char *) MB_CMDLINE_BUF; 2918 if (len + 1 > MB_CMDLINE_BUFLEN) 2919 { 2920 errnum = ERR_WONT_FIT; 2921 return 1; 2922 } 2923 2924 /* Copy the command-line to MB_CMDLINE. */ 2925 grub_memmove (mb_cmdline, arg, len + 1); 2926 kernel_type = load_image (arg, mb_cmdline, suggested_type, load_flags); 2927 if (kernel_type == KERNEL_TYPE_NONE) 2928 return 1; 2929 2930 mb_cmdline += grub_strlen(mb_cmdline) + 1; 2931 return 0; 2932 } 2933 2934 static struct builtin builtin_kernel = 2935 { 2936 "kernel", 2937 kernel_func, 2938 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2939 "kernel [--no-mem-option] [--type=TYPE] FILE [ARG ...]", 2940 "Attempt to load the primary boot image from FILE. The rest of the" 2941 " line is passed verbatim as the \"kernel command line\". Any modules" 2942 " must be reloaded after using this command. The option --type is used" 2943 " to suggest what type of kernel to be loaded. TYPE must be either of" 2944 " \"netbsd\", \"freebsd\", \"openbsd\", \"linux\", \"biglinux\" and" 2945 " \"multiboot\". The option --no-mem-option tells GRUB not to pass a" 2946 " Linux's mem option automatically." 2947 }; 2948 2949 int 2950 min_mem64_func(char *arg, int flags) 2951 { 2952 if (!safe_parse_maxint(&arg, &min_mem64)) 2953 return (1); 2954 } 2955 2956 static struct builtin builtin_min_mem64 = 2957 { 2958 "min_mem64", 2959 min_mem64_func, 2960 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 2961 "min_mem64 <memory in MB>", 2962 "Sets minimum memory (in MB) required for $ISADIR to expand to amd64, " 2963 "even on 64-bit capable hardware." 2964 }; 2965 2966 int 2967 check_min_mem64() 2968 { 2969 if (min_mem64 == 0) 2970 return (1); 2971 2972 if ((mbi.mem_upper / 10240) * 11 >= min_mem64) 2973 return (1); 2974 2975 return (0); 2976 } 2977 2978 static int detect_target_operating_mode(); 2979 2980 int 2981 amd64_config_cpu(void) 2982 { 2983 struct amd64_cpuid_regs __vcr, *vcr = &__vcr; 2984 uint32_t maxeax; 2985 uint32_t max_maxeax = 0x100; 2986 char vendor[13]; 2987 int isamd64 = 0; 2988 uint32_t stdfeatures = 0, xtdfeatures = 0; 2989 uint64_t efer; 2990 2991 /* 2992 * This check may seem silly, but if the C preprocesor symbol __amd64 2993 * is #defined during compilation, something that may outwardly seem 2994 * like a good idea, uts/common/sys/isa_defs.h will #define _LP64, 2995 * which will cause uts/common/sys/int_types.h to typedef uint64_t as 2996 * an unsigned long - which is only 4 bytes in size when using a 32-bit 2997 * compiler. 2998 * 2999 * If that happens, all the page table translation routines will fail 3000 * horribly, so check the size of uint64_t just to insure some degree 3001 * of sanity in future operations. 3002 */ 3003 /*LINTED [sizeof result is invarient]*/ 3004 if (sizeof (uint64_t) != 8) 3005 prom_panic("grub compiled improperly, unable to boot " 3006 "64-bit AMD64 executables"); 3007 3008 /* 3009 * If the CPU doesn't support the CPUID instruction, it's definitely 3010 * not an AMD64. 3011 */ 3012 if (amd64_cpuid_supported() == 0) 3013 return (0); 3014 3015 amd64_cpuid_insn(0, vcr); 3016 3017 maxeax = vcr->r_eax; 3018 { 3019 /*LINTED [vendor string from cpuid data]*/ 3020 uint32_t *iptr = (uint32_t *)vendor; 3021 3022 *iptr++ = vcr->r_ebx; 3023 *iptr++ = vcr->r_edx; 3024 *iptr++ = vcr->r_ecx; 3025 3026 vendor[12] = '\0'; 3027 } 3028 3029 if (maxeax > max_maxeax) { 3030 grub_printf("cpu: warning, maxeax was 0x%x -> 0x%x\n", 3031 maxeax, max_maxeax); 3032 maxeax = max_maxeax; 3033 } 3034 3035 if (maxeax < 1) 3036 return (0); /* no additional functions, not an AMD64 */ 3037 else { 3038 uint_t family, model, step; 3039 3040 amd64_cpuid_insn(1, vcr); 3041 3042 /* 3043 * All AMD64/IA32e processors technically SHOULD report 3044 * themselves as being in family 0xf, but for some reason 3045 * Simics doesn't, and this may change in the future, so 3046 * don't error out if it's not true. 3047 */ 3048 if ((family = BITX(vcr->r_eax, 11, 8)) == 0xf) 3049 family += BITX(vcr->r_eax, 27, 20); 3050 3051 if ((model = BITX(vcr->r_eax, 7, 4)) == 0xf) 3052 model += BITX(vcr->r_eax, 19, 16) << 4; 3053 step = BITX(vcr->r_eax, 3, 0); 3054 3055 grub_printf("cpu: '%s' family %d model %d step %d\n", 3056 vendor, family, model, step); 3057 stdfeatures = vcr->r_edx; 3058 } 3059 3060 amd64_cpuid_insn(0x80000000, vcr); 3061 3062 if (vcr->r_eax & 0x80000000) { 3063 uint32_t xmaxeax = vcr->r_eax; 3064 const uint32_t max_xmaxeax = 0x80000100; 3065 3066 if (xmaxeax > max_xmaxeax) { 3067 grub_printf("amd64: warning, xmaxeax was " 3068 "0x%x -> 0x%x\n", xmaxeax, max_xmaxeax); 3069 xmaxeax = max_xmaxeax; 3070 } 3071 3072 if (xmaxeax >= 0x80000001) { 3073 amd64_cpuid_insn(0x80000001, vcr); 3074 xtdfeatures = vcr->r_edx; 3075 } 3076 } 3077 3078 if (BITX(xtdfeatures, 29, 29)) /* long mode */ 3079 isamd64++; 3080 else 3081 grub_printf("amd64: CPU does NOT support long mode\n"); 3082 3083 if (!BITX(stdfeatures, 0, 0)) { 3084 grub_printf("amd64: CPU does NOT support FPU\n"); 3085 isamd64--; 3086 } 3087 3088 if (!BITX(stdfeatures, 4, 4)) { 3089 grub_printf("amd64: CPU does NOT support TSC\n"); 3090 isamd64--; 3091 } 3092 3093 if (!BITX(stdfeatures, 5, 5)) { 3094 grub_printf("amd64: CPU does NOT support MSRs\n"); 3095 isamd64--; 3096 } 3097 3098 if (!BITX(stdfeatures, 6, 6)) { 3099 grub_printf("amd64: CPU does NOT support PAE\n"); 3100 isamd64--; 3101 } 3102 3103 if (!BITX(stdfeatures, 8, 8)) { 3104 grub_printf("amd64: CPU does NOT support CX8\n"); 3105 isamd64--; 3106 } 3107 3108 if (!BITX(stdfeatures, 13, 13)) { 3109 grub_printf("amd64: CPU does NOT support PGE\n"); 3110 isamd64--; 3111 } 3112 3113 if (!BITX(stdfeatures, 19, 19)) { 3114 grub_printf("amd64: CPU does NOT support CLFSH\n"); 3115 isamd64--; 3116 } 3117 3118 if (!BITX(stdfeatures, 23, 23)) { 3119 grub_printf("amd64: CPU does NOT support MMX\n"); 3120 isamd64--; 3121 } 3122 3123 if (!BITX(stdfeatures, 24, 24)) { 3124 grub_printf("amd64: CPU does NOT support FXSR\n"); 3125 isamd64--; 3126 } 3127 3128 if (!BITX(stdfeatures, 25, 25)) { 3129 grub_printf("amd64: CPU does NOT support SSE\n"); 3130 isamd64--; 3131 } 3132 3133 if (!BITX(stdfeatures, 26, 26)) { 3134 grub_printf("amd64: CPU does NOT support SSE2\n"); 3135 isamd64--; 3136 } 3137 3138 if (isamd64 < 1) { 3139 grub_printf("amd64: CPU does not support amd64 executables.\n"); 3140 return (0); 3141 } 3142 3143 amd64_rdmsr(MSR_AMD_EFER, &efer); 3144 if (efer & AMD_EFER_SCE) 3145 grub_printf("amd64: EFER_SCE (syscall/sysret) already " 3146 "enabled\n"); 3147 if (efer & AMD_EFER_NXE) 3148 grub_printf("amd64: EFER_NXE (no-exec prot) already enabled\n"); 3149 if (efer & AMD_EFER_LME) 3150 grub_printf("amd64: EFER_LME (long mode) already enabled\n"); 3151 3152 return (detect_target_operating_mode()); 3153 } 3154 3155 static int 3156 detect_target_operating_mode() 3157 { 3158 int ret, ah; 3159 3160 ah = get_target_operating_mode(); 3161 3162 ah = ah >> 8; 3163 3164 /* XXX still need to pass back the return from the call */ 3165 ret = 0; 3166 3167 if (ah == 0x86 && (ret & CB) != 0) { 3168 grub_printf("[BIOS 'Detect Target Operating Mode' " 3169 "callback unsupported on this platform]\n"); 3170 return (1); /* unsupported, ignore */ 3171 } 3172 3173 if (ah == 0x0 && (ret & CB) == 0) { 3174 grub_printf("[BIOS accepted mixed-mode target setting!]\n"); 3175 return (1); /* told the bios what we're up to */ 3176 } 3177 3178 if (ah == 0 && ret & CB) { 3179 grub_printf("fatal: BIOS reports this machine CANNOT run in " 3180 "mixed 32/64-bit mode!\n"); 3181 return (0); 3182 } 3183 3184 grub_printf("warning: BIOS Detect Target Operating Mode callback " 3185 "confused.\n %%ax >> 8 = 0x%x, carry = %d\n", ah, 3186 ret & CB ? 1 : 0); 3187 3188 return (1); 3189 } 3190 3191 3192 int 3193 isamd64() 3194 { 3195 static int ret = -1; 3196 3197 if (ret == -1) 3198 ret = amd64_config_cpu(); 3199 3200 return (ret); 3201 } 3202 3203 static void 3204 expand_arch (char *arg, char *newarg) 3205 { 3206 char *index; 3207 3208 newarg[0] = '\0'; 3209 3210 while ((index = strstr(arg, "$ISADIR")) != NULL) { 3211 3212 index[0] = '\0'; 3213 strncat(newarg, arg, MAX_CMDLINE); 3214 index[0] = '$'; 3215 3216 if (isamd64() && check_min_mem64()) 3217 strncat(newarg, "amd64", MAX_CMDLINE); 3218 3219 arg = index + 7; 3220 } 3221 3222 strncat(newarg, arg, MAX_CMDLINE); 3223 return; 3224 } 3225 3226 /* kernel$ */ 3227 static int 3228 kernel_dollar_func (char *arg, int flags) 3229 { 3230 char newarg[MAX_CMDLINE]; /* everything boils down to MAX_CMDLINE */ 3231 3232 grub_printf("loading '%s' ...\n", arg); 3233 expand_arch(arg, newarg); 3234 3235 if (kernel_func(newarg, flags)) 3236 return (1); 3237 3238 mb_cmdline = (char *)MB_CMDLINE_BUF; 3239 if (expand_dollar_bootfs(newarg, mb_cmdline)) { 3240 grub_printf("cannot expand $ZFS-BOOTFS for dataset %s\n", 3241 current_bootfs); 3242 return (1); 3243 } 3244 3245 grub_printf("'%s' is loaded\n", mb_cmdline); 3246 mb_cmdline += grub_strlen(mb_cmdline) + 1; 3247 3248 return (0); 3249 } 3250 3251 static struct builtin builtin_kernel_dollar = 3252 { 3253 "kernel$", 3254 kernel_dollar_func, 3255 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3256 "kernel$ [--no-mem-option] [--type=TYPE] FILE [ARG ...]", 3257 " Just like kernel, but with $ISADIR expansion." 3258 }; 3259 3260 3261 /* lock */ 3262 static int 3263 lock_func (char *arg, int flags) 3264 { 3265 if (! auth && password) 3266 { 3267 errnum = ERR_PRIVILEGED; 3268 return 1; 3269 } 3270 3271 return 0; 3272 } 3273 3274 static struct builtin builtin_lock = 3275 { 3276 "lock", 3277 lock_func, 3278 BUILTIN_CMDLINE, 3279 "lock", 3280 "Break a command execution unless the user is authenticated." 3281 }; 3282 3283 3284 /* makeactive */ 3285 static int 3286 makeactive_func (char *arg, int flags) 3287 { 3288 if (! make_saved_active ()) 3289 return 1; 3290 3291 return 0; 3292 } 3293 3294 static struct builtin builtin_makeactive = 3295 { 3296 "makeactive", 3297 makeactive_func, 3298 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3299 "makeactive", 3300 "Set the active partition on the root disk to GRUB's root device." 3301 " This command is limited to _primary_ PC partitions on a hard disk." 3302 }; 3303 3304 3305 /* map */ 3306 /* Map FROM_DRIVE to TO_DRIVE. */ 3307 static int 3308 map_func (char *arg, int flags) 3309 { 3310 char *to_drive; 3311 char *from_drive; 3312 unsigned long to, from; 3313 int i; 3314 3315 to_drive = arg; 3316 from_drive = skip_to (0, arg); 3317 3318 /* Get the drive number for TO_DRIVE. */ 3319 set_device (to_drive); 3320 if (errnum) 3321 return 1; 3322 to = current_drive; 3323 3324 /* Get the drive number for FROM_DRIVE. */ 3325 set_device (from_drive); 3326 if (errnum) 3327 return 1; 3328 from = current_drive; 3329 3330 /* Search for an empty slot in BIOS_DRIVE_MAP. */ 3331 for (i = 0; i < DRIVE_MAP_SIZE; i++) 3332 { 3333 /* Perhaps the user wants to override the map. */ 3334 if ((bios_drive_map[i] & 0xff) == from) 3335 break; 3336 3337 if (! bios_drive_map[i]) 3338 break; 3339 } 3340 3341 if (i == DRIVE_MAP_SIZE) 3342 { 3343 errnum = ERR_WONT_FIT; 3344 return 1; 3345 } 3346 3347 if (to == from) 3348 /* If TO is equal to FROM, delete the entry. */ 3349 grub_memmove ((char *) &bios_drive_map[i], (char *) &bios_drive_map[i + 1], 3350 sizeof (unsigned short) * (DRIVE_MAP_SIZE - i)); 3351 else 3352 bios_drive_map[i] = from | (to << 8); 3353 3354 return 0; 3355 } 3356 3357 static struct builtin builtin_map = 3358 { 3359 "map", 3360 map_func, 3361 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3362 "map TO_DRIVE FROM_DRIVE", 3363 "Map the drive FROM_DRIVE to the drive TO_DRIVE. This is necessary" 3364 " when you chain-load some operating systems, such as DOS, if such an" 3365 " OS resides at a non-first drive." 3366 }; 3367 3368 3369 #ifdef USE_MD5_PASSWORDS 3370 /* md5crypt */ 3371 static int 3372 md5crypt_func (char *arg, int flags) 3373 { 3374 char crypted[36]; 3375 char key[32]; 3376 unsigned int seed; 3377 int i; 3378 const char *const seedchars = 3379 "./0123456789ABCDEFGHIJKLMNOPQRST" 3380 "UVWXYZabcdefghijklmnopqrstuvwxyz"; 3381 3382 /* First create a salt. */ 3383 3384 /* The magical prefix. */ 3385 grub_memset (crypted, 0, sizeof (crypted)); 3386 grub_memmove (crypted, "$1$", 3); 3387 3388 /* Create the length of a salt. */ 3389 seed = currticks (); 3390 3391 /* Generate a salt. */ 3392 for (i = 0; i < 8 && seed; i++) 3393 { 3394 /* FIXME: This should be more random. */ 3395 crypted[3 + i] = seedchars[seed & 0x3f]; 3396 seed >>= 6; 3397 } 3398 3399 /* A salt must be terminated with `$', if it is less than 8 chars. */ 3400 crypted[3 + i] = '$'; 3401 3402 #ifdef DEBUG_MD5CRYPT 3403 grub_printf ("salt = %s\n", crypted); 3404 #endif 3405 3406 /* Get a password. */ 3407 grub_memset (key, 0, sizeof (key)); 3408 get_cmdline ("Password: ", key, sizeof (key) - 1, '*', 0); 3409 3410 /* Crypt the key. */ 3411 make_md5_password (key, crypted); 3412 3413 grub_printf ("Encrypted: %s\n", crypted); 3414 return 0; 3415 } 3416 3417 static struct builtin builtin_md5crypt = 3418 { 3419 "md5crypt", 3420 md5crypt_func, 3421 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3422 "md5crypt", 3423 "Generate a password in MD5 format." 3424 }; 3425 #endif /* USE_MD5_PASSWORDS */ 3426 3427 3428 /* module */ 3429 static int 3430 module_func (char *arg, int flags) 3431 { 3432 int len = grub_strlen (arg); 3433 3434 switch (kernel_type) 3435 { 3436 case KERNEL_TYPE_MULTIBOOT: 3437 if (mb_cmdline + len + 1 > (char *) MB_CMDLINE_BUF + MB_CMDLINE_BUFLEN) 3438 { 3439 errnum = ERR_WONT_FIT; 3440 return 1; 3441 } 3442 grub_memmove (mb_cmdline, arg, len + 1); 3443 if (! load_module (arg, mb_cmdline)) 3444 return 1; 3445 3446 mb_cmdline += grub_strlen(mb_cmdline) + 1; 3447 break; 3448 3449 case KERNEL_TYPE_LINUX: 3450 case KERNEL_TYPE_BIG_LINUX: 3451 if (! load_initrd (arg)) 3452 return 1; 3453 break; 3454 3455 default: 3456 errnum = ERR_NEED_MB_KERNEL; 3457 return 1; 3458 } 3459 3460 return 0; 3461 } 3462 3463 static struct builtin builtin_module = 3464 { 3465 "module", 3466 module_func, 3467 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3468 "module FILE [ARG ...]", 3469 "Load a boot module FILE for a Multiboot format boot image (no" 3470 " interpretation of the file contents is made, so users of this" 3471 " command must know what the kernel in question expects). The" 3472 " rest of the line is passed as the \"module command line\", like" 3473 " the `kernel' command." 3474 }; 3475 3476 /* module$ */ 3477 static int 3478 module_dollar_func (char *arg, int flags) 3479 { 3480 char newarg[MAX_CMDLINE]; /* everything boils down to MAX_CMDLINE */ 3481 char *cmdline_sav; 3482 3483 grub_printf("loading '%s' ...\n", arg); 3484 expand_arch(arg, newarg); 3485 3486 cmdline_sav = (char *)mb_cmdline; 3487 if (module_func(newarg, flags)) 3488 return (1); 3489 3490 if (expand_dollar_bootfs(newarg, cmdline_sav)) { 3491 grub_printf("cannot expand $ZFS-BOOTFS for dataset %s\n", 3492 current_bootfs); 3493 return (1); 3494 } 3495 3496 grub_printf("'%s' is loaded\n", (char *)cmdline_sav); 3497 mb_cmdline += grub_strlen(cmdline_sav) + 1; 3498 3499 return (0); 3500 } 3501 3502 static struct builtin builtin_module_dollar = 3503 { 3504 "module$", 3505 module_dollar_func, 3506 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3507 "module FILE [ARG ...]", 3508 " Just like module, but with $ISADIR expansion." 3509 }; 3510 3511 3512 /* modulenounzip */ 3513 static int 3514 modulenounzip_func (char *arg, int flags) 3515 { 3516 int ret; 3517 3518 #ifndef NO_DECOMPRESSION 3519 no_decompression = 1; 3520 #endif 3521 3522 ret = module_func (arg, flags); 3523 3524 #ifndef NO_DECOMPRESSION 3525 no_decompression = 0; 3526 #endif 3527 3528 return ret; 3529 } 3530 3531 static struct builtin builtin_modulenounzip = 3532 { 3533 "modulenounzip", 3534 modulenounzip_func, 3535 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3536 "modulenounzip FILE [ARG ...]", 3537 "The same as `module', except that automatic decompression is" 3538 " disabled." 3539 }; 3540 3541 3542 /* pager [on|off] */ 3543 static int 3544 pager_func (char *arg, int flags) 3545 { 3546 /* If ARG is empty, toggle the flag. */ 3547 if (! *arg) 3548 use_pager = ! use_pager; 3549 else if (grub_memcmp (arg, "on", 2) == 0) 3550 use_pager = 1; 3551 else if (grub_memcmp (arg, "off", 3) == 0) 3552 use_pager = 0; 3553 else 3554 { 3555 errnum = ERR_BAD_ARGUMENT; 3556 return 1; 3557 } 3558 3559 grub_printf (" Internal pager is now %s\n", use_pager ? "on" : "off"); 3560 return 0; 3561 } 3562 3563 static struct builtin builtin_pager = 3564 { 3565 "pager", 3566 pager_func, 3567 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3568 "pager [FLAG]", 3569 "Toggle pager mode with no argument. If FLAG is given and its value" 3570 " is `on', turn on the mode. If FLAG is `off', turn off the mode." 3571 }; 3572 3573 3574 /* partnew PART TYPE START LEN */ 3575 static int 3576 partnew_func (char *arg, int flags) 3577 { 3578 int new_type, new_start, new_len; 3579 int start_cl, start_ch, start_dh; 3580 int end_cl, end_ch, end_dh; 3581 int entry; 3582 char mbr[512]; 3583 3584 /* Convert a LBA address to a CHS address in the INT 13 format. */ 3585 auto void lba_to_chs (int lba, int *cl, int *ch, int *dh); 3586 void lba_to_chs (int lba, int *cl, int *ch, int *dh) 3587 { 3588 int cylinder, head, sector; 3589 3590 sector = lba % buf_geom.sectors + 1; 3591 head = (lba / buf_geom.sectors) % buf_geom.heads; 3592 cylinder = lba / (buf_geom.sectors * buf_geom.heads); 3593 3594 if (cylinder >= buf_geom.cylinders) 3595 cylinder = buf_geom.cylinders - 1; 3596 3597 *cl = sector | ((cylinder & 0x300) >> 2); 3598 *ch = cylinder & 0xFF; 3599 *dh = head; 3600 } 3601 3602 /* Get the drive and the partition. */ 3603 if (! set_device (arg)) 3604 return 1; 3605 3606 /* The drive must be a hard disk. */ 3607 if (! (current_drive & 0x80)) 3608 { 3609 errnum = ERR_BAD_ARGUMENT; 3610 return 1; 3611 } 3612 3613 /* The partition must a primary partition. */ 3614 if ((current_partition >> 16) > 3 3615 || (current_partition & 0xFFFF) != 0xFFFF) 3616 { 3617 errnum = ERR_BAD_ARGUMENT; 3618 return 1; 3619 } 3620 3621 entry = current_partition >> 16; 3622 3623 /* Get the new partition type. */ 3624 arg = skip_to (0, arg); 3625 if (! safe_parse_maxint (&arg, &new_type)) 3626 return 1; 3627 3628 /* The partition type is unsigned char. */ 3629 if (new_type > 0xFF) 3630 { 3631 errnum = ERR_BAD_ARGUMENT; 3632 return 1; 3633 } 3634 3635 /* Get the new partition start. */ 3636 arg = skip_to (0, arg); 3637 if (! safe_parse_maxint (&arg, &new_start)) 3638 return 1; 3639 3640 /* Get the new partition length. */ 3641 arg = skip_to (0, arg); 3642 if (! safe_parse_maxint (&arg, &new_len)) 3643 return 1; 3644 3645 /* Read the MBR. */ 3646 if (! rawread (current_drive, 0, 0, SECTOR_SIZE, mbr)) 3647 return 1; 3648 3649 /* Check if the new partition will fit in the disk. */ 3650 if (new_start + new_len > buf_geom.total_sectors) 3651 { 3652 errnum = ERR_GEOM; 3653 return 1; 3654 } 3655 3656 /* Store the partition information in the MBR. */ 3657 lba_to_chs (new_start, &start_cl, &start_ch, &start_dh); 3658 lba_to_chs (new_start + new_len - 1, &end_cl, &end_ch, &end_dh); 3659 3660 PC_SLICE_FLAG (mbr, entry) = 0; 3661 PC_SLICE_HEAD (mbr, entry) = start_dh; 3662 PC_SLICE_SEC (mbr, entry) = start_cl; 3663 PC_SLICE_CYL (mbr, entry) = start_ch; 3664 PC_SLICE_TYPE (mbr, entry) = new_type; 3665 PC_SLICE_EHEAD (mbr, entry) = end_dh; 3666 PC_SLICE_ESEC (mbr, entry) = end_cl; 3667 PC_SLICE_ECYL (mbr, entry) = end_ch; 3668 PC_SLICE_START (mbr, entry) = new_start; 3669 PC_SLICE_LENGTH (mbr, entry) = new_len; 3670 3671 /* Make sure that the MBR has a valid signature. */ 3672 PC_MBR_SIG (mbr) = PC_MBR_SIGNATURE; 3673 3674 /* Write back the MBR to the disk. */ 3675 buf_track = BUF_CACHE_INVALID; 3676 if (! rawwrite (current_drive, 0, mbr)) 3677 return 1; 3678 3679 return 0; 3680 } 3681 3682 static struct builtin builtin_partnew = 3683 { 3684 "partnew", 3685 partnew_func, 3686 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3687 "partnew PART TYPE START LEN", 3688 "Create a primary partition at the starting address START with the" 3689 " length LEN, with the type TYPE. START and LEN are in sector units." 3690 }; 3691 3692 3693 /* parttype PART TYPE */ 3694 static int 3695 parttype_func (char *arg, int flags) 3696 { 3697 int new_type; 3698 unsigned long part = 0xFFFFFF; 3699 unsigned long start, len, offset, ext_offset; 3700 int entry, type; 3701 char mbr[512]; 3702 3703 /* Get the drive and the partition. */ 3704 if (! set_device (arg)) 3705 return 1; 3706 3707 /* The drive must be a hard disk. */ 3708 if (! (current_drive & 0x80)) 3709 { 3710 errnum = ERR_BAD_ARGUMENT; 3711 return 1; 3712 } 3713 3714 /* The partition must be a PC slice. */ 3715 if ((current_partition >> 16) == 0xFF 3716 || (current_partition & 0xFFFF) != 0xFFFF) 3717 { 3718 errnum = ERR_BAD_ARGUMENT; 3719 return 1; 3720 } 3721 3722 /* Get the new partition type. */ 3723 arg = skip_to (0, arg); 3724 if (! safe_parse_maxint (&arg, &new_type)) 3725 return 1; 3726 3727 /* The partition type is unsigned char. */ 3728 if (new_type > 0xFF) 3729 { 3730 errnum = ERR_BAD_ARGUMENT; 3731 return 1; 3732 } 3733 3734 /* Look for the partition. */ 3735 while (next_partition (current_drive, 0xFFFFFF, &part, &type, 3736 &start, &len, &offset, &entry, 3737 &ext_offset, mbr)) 3738 { 3739 if (part == current_partition) 3740 { 3741 /* Found. */ 3742 3743 /* Set the type to NEW_TYPE. */ 3744 PC_SLICE_TYPE (mbr, entry) = new_type; 3745 3746 /* Write back the MBR to the disk. */ 3747 buf_track = BUF_CACHE_INVALID; 3748 if (! rawwrite (current_drive, offset, mbr)) 3749 return 1; 3750 3751 /* Succeed. */ 3752 return 0; 3753 } 3754 } 3755 3756 /* The partition was not found. ERRNUM was set by next_partition. */ 3757 return 1; 3758 } 3759 3760 static struct builtin builtin_parttype = 3761 { 3762 "parttype", 3763 parttype_func, 3764 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3765 "parttype PART TYPE", 3766 "Change the type of the partition PART to TYPE." 3767 }; 3768 3769 3770 /* password */ 3771 static int 3772 password_func (char *arg, int flags) 3773 { 3774 int len; 3775 password_t type = PASSWORD_PLAIN; 3776 3777 #ifdef USE_MD5_PASSWORDS 3778 if (grub_memcmp (arg, "--md5", 5) == 0) 3779 { 3780 type = PASSWORD_MD5; 3781 arg = skip_to (0, arg); 3782 } 3783 #endif 3784 if (grub_memcmp (arg, "--", 2) == 0) 3785 { 3786 type = PASSWORD_UNSUPPORTED; 3787 arg = skip_to (0, arg); 3788 } 3789 3790 if ((flags & (BUILTIN_CMDLINE | BUILTIN_SCRIPT)) != 0) 3791 { 3792 /* Do password check! */ 3793 char entered[32]; 3794 3795 /* Wipe out any previously entered password */ 3796 entered[0] = 0; 3797 get_cmdline ("Password: ", entered, 31, '*', 0); 3798 3799 nul_terminate (arg); 3800 if (check_password (entered, arg, type) != 0) 3801 { 3802 errnum = ERR_PRIVILEGED; 3803 return 1; 3804 } 3805 } 3806 else 3807 { 3808 len = grub_strlen (arg); 3809 3810 /* PASSWORD NUL NUL ... */ 3811 if (len + 2 > PASSWORD_BUFLEN) 3812 { 3813 errnum = ERR_WONT_FIT; 3814 return 1; 3815 } 3816 3817 /* Copy the password and clear the rest of the buffer. */ 3818 password = (char *) PASSWORD_BUF; 3819 grub_memmove (password, arg, len); 3820 grub_memset (password + len, 0, PASSWORD_BUFLEN - len); 3821 password_type = type; 3822 } 3823 return 0; 3824 } 3825 3826 static struct builtin builtin_password = 3827 { 3828 "password", 3829 password_func, 3830 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_NO_ECHO, 3831 "password [--md5] PASSWD [FILE]", 3832 "If used in the first section of a menu file, disable all" 3833 " interactive editing control (menu entry editor and" 3834 " command line). If the password PASSWD is entered, it loads the" 3835 " FILE as a new config file and restarts the GRUB Stage 2. If you" 3836 " omit the argument FILE, then GRUB just unlocks privileged" 3837 " instructions. You can also use it in the script section, in" 3838 " which case it will ask for the password, before continueing." 3839 " The option --md5 tells GRUB that PASSWD is encrypted with" 3840 " md5crypt." 3841 }; 3842 3843 3844 /* pause */ 3845 static int 3846 pause_func (char *arg, int flags) 3847 { 3848 printf("%s\n", arg); 3849 3850 /* If ESC is returned, then abort this entry. */ 3851 if (ASCII_CHAR (getkey ()) == 27) 3852 return 1; 3853 3854 return 0; 3855 } 3856 3857 static struct builtin builtin_pause = 3858 { 3859 "pause", 3860 pause_func, 3861 BUILTIN_CMDLINE | BUILTIN_NO_ECHO, 3862 "pause [MESSAGE ...]", 3863 "Print MESSAGE, then wait until a key is pressed." 3864 }; 3865 3866 3867 #ifdef GRUB_UTIL 3868 /* quit */ 3869 static int 3870 quit_func (char *arg, int flags) 3871 { 3872 stop (); 3873 3874 /* Never reach here. */ 3875 return 0; 3876 } 3877 3878 static struct builtin builtin_quit = 3879 { 3880 "quit", 3881 quit_func, 3882 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3883 "quit", 3884 "Exit from the GRUB shell." 3885 }; 3886 #endif /* GRUB_UTIL */ 3887 3888 3889 #ifdef SUPPORT_NETBOOT 3890 /* rarp */ 3891 static int 3892 rarp_func (char *arg, int flags) 3893 { 3894 if (! rarp ()) 3895 { 3896 if (errnum == ERR_NONE) 3897 errnum = ERR_DEV_VALUES; 3898 3899 return 1; 3900 } 3901 3902 /* Notify the configuration. */ 3903 print_network_configuration (); 3904 return 0; 3905 } 3906 3907 static struct builtin builtin_rarp = 3908 { 3909 "rarp", 3910 rarp_func, 3911 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3912 "rarp", 3913 "Initialize a network device via RARP." 3914 }; 3915 #endif /* SUPPORT_NETBOOT */ 3916 3917 3918 static int 3919 read_func (char *arg, int flags) 3920 { 3921 int addr; 3922 3923 if (! safe_parse_maxint (&arg, &addr)) 3924 return 1; 3925 3926 grub_printf ("Address 0x%x: Value 0x%x\n", 3927 addr, *((unsigned *) RAW_ADDR (addr))); 3928 return 0; 3929 } 3930 3931 static struct builtin builtin_read = 3932 { 3933 "read", 3934 read_func, 3935 BUILTIN_CMDLINE, 3936 "read ADDR", 3937 "Read a 32-bit value from memory at address ADDR and" 3938 " display it in hex format." 3939 }; 3940 3941 3942 /* reboot */ 3943 static int 3944 reboot_func (char *arg, int flags) 3945 { 3946 grub_reboot (); 3947 3948 /* Never reach here. */ 3949 return 1; 3950 } 3951 3952 static struct builtin builtin_reboot = 3953 { 3954 "reboot", 3955 reboot_func, 3956 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3957 "reboot", 3958 "Reboot your system." 3959 }; 3960 3961 3962 /* Print the root device information. */ 3963 static void 3964 print_root_device (void) 3965 { 3966 if (saved_drive == NETWORK_DRIVE) 3967 { 3968 /* Network drive. */ 3969 grub_printf (" (nd):"); 3970 } 3971 else if (saved_drive & 0x80) 3972 { 3973 /* Hard disk drive. */ 3974 grub_printf (" (hd%d", saved_drive - 0x80); 3975 3976 if ((saved_partition & 0xFF0000) != 0xFF0000) 3977 grub_printf (",%d", saved_partition >> 16); 3978 3979 if ((saved_partition & 0x00FF00) != 0x00FF00) 3980 grub_printf (",%c", ((saved_partition >> 8) & 0xFF) + 'a'); 3981 3982 grub_printf ("):"); 3983 } 3984 else 3985 { 3986 /* Floppy disk drive. */ 3987 grub_printf (" (fd%d):", saved_drive); 3988 } 3989 3990 /* Print the filesystem information. */ 3991 current_partition = saved_partition; 3992 current_drive = saved_drive; 3993 print_fsys_type (); 3994 } 3995 3996 static int 3997 real_root_func (char *arg, int attempt_mount) 3998 { 3999 int hdbias = 0; 4000 char *biasptr; 4001 char *next; 4002 4003 /* If ARG is empty, just print the current root device. */ 4004 if (! *arg) 4005 { 4006 print_root_device (); 4007 return 0; 4008 } 4009 4010 /* Call set_device to get the drive and the partition in ARG. */ 4011 next = set_device (arg); 4012 if (! next) 4013 return 1; 4014 4015 /* Ignore ERR_FSYS_MOUNT. */ 4016 if (attempt_mount) 4017 { 4018 if (! open_device () && errnum != ERR_FSYS_MOUNT) 4019 return 1; 4020 } 4021 else 4022 { 4023 /* This is necessary, because the location of a partition table 4024 must be set appropriately. */ 4025 if (open_partition ()) 4026 { 4027 set_bootdev (0); 4028 if (errnum) 4029 return 1; 4030 } 4031 } 4032 4033 /* Clear ERRNUM. */ 4034 errnum = 0; 4035 saved_partition = current_partition; 4036 saved_drive = current_drive; 4037 4038 if (attempt_mount) 4039 { 4040 /* BSD and chainloading evil hacks !! */ 4041 biasptr = skip_to (0, next); 4042 safe_parse_maxint (&biasptr, &hdbias); 4043 errnum = 0; 4044 bootdev = set_bootdev (hdbias); 4045 if (errnum) 4046 return 1; 4047 4048 /* Print the type of the filesystem. */ 4049 print_fsys_type (); 4050 } 4051 4052 return 0; 4053 } 4054 4055 static int 4056 root_func (char *arg, int flags) 4057 { 4058 is_zfs_mount = 0; 4059 return real_root_func (arg, 1); 4060 } 4061 4062 static struct builtin builtin_root = 4063 { 4064 "root", 4065 root_func, 4066 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4067 "root [DEVICE [HDBIAS]]", 4068 "Set the current \"root device\" to the device DEVICE, then" 4069 " attempt to mount it to get the partition size (for passing the" 4070 " partition descriptor in `ES:ESI', used by some chain-loaded" 4071 " bootloaders), the BSD drive-type (for booting BSD kernels using" 4072 " their native boot format), and correctly determine " 4073 " the PC partition where a BSD sub-partition is located. The" 4074 " optional HDBIAS parameter is a number to tell a BSD kernel" 4075 " how many BIOS drive numbers are on controllers before the current" 4076 " one. For example, if there is an IDE disk and a SCSI disk, and your" 4077 " FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS." 4078 }; 4079 4080 4081 /* findroot */ 4082 static int 4083 findroot_func (char *arg, int flags) 4084 { 4085 int ret; 4086 char root[32]; 4087 4088 if (grub_strlen(arg) >= BOOTSIGN_ARGLEN) { 4089 errnum = ERR_BAD_ARGUMENT; 4090 return 1; 4091 } 4092 4093 if (arg[0] == '\0') { 4094 errnum = ERR_BAD_ARGUMENT; 4095 return 1; 4096 } 4097 4098 if (grub_strchr(arg, '/')) { 4099 errnum = ERR_BAD_ARGUMENT; 4100 return 1; 4101 } 4102 4103 find_best_root = 1; 4104 best_drive = 0; 4105 best_part = 0; 4106 ret = find_common(arg, root, 1, flags); 4107 if (ret != 0) 4108 return (ret); 4109 find_best_root = 0; 4110 4111 return real_root_func (root, 1); 4112 } 4113 4114 static struct builtin builtin_findroot = 4115 { 4116 "findroot", 4117 findroot_func, 4118 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4119 "findroot <SIGNATURE | (SIGNATURE,partition[,slice])>", 4120 "Searches across all partitions for the file name SIGNATURE." 4121 " GRUB looks only in the directory /boot/grub/bootsign for the" 4122 " filename and it stops as soon as it finds the first instance of" 4123 " the file - so to be useful the name of the signature file must be" 4124 " unique across all partitions. Once the signature file is found," 4125 " GRUB invokes the \"root\" command on that partition." 4126 " An optional partition and slice may be specified to optimize the search." 4127 }; 4128 4129 4130 /* 4131 * COMMAND to override the default root filesystem for ZFS 4132 * bootfs pool/fs 4133 */ 4134 static int 4135 bootfs_func (char *arg, int flags) 4136 { 4137 int hdbias = 0; 4138 char *biasptr; 4139 char *next; 4140 4141 if (! *arg) { 4142 if (current_bootfs[0] != '\0') 4143 grub_printf ("The zfs boot filesystem is set to '%s'.\n", 4144 current_bootfs); 4145 else if (current_rootpool[0] != 0 && current_bootfs_obj != 0) 4146 grub_printf("The zfs boot filesystem is <default: %s/%u>.", 4147 current_rootpool, current_bootfs_obj); 4148 else 4149 grub_printf ("The zfs boot filesystem will be derived from " 4150 "the default bootfs pool property.\n"); 4151 4152 return (1); 4153 } 4154 4155 /* Verify the zfs filesystem name */ 4156 if (arg[0] == '/' || arg[0] == '\0') { 4157 errnum = ERR_BAD_ARGUMENT; 4158 return 0; 4159 } 4160 if (current_rootpool[0] != 0 && grub_strncmp(arg, 4161 current_rootpool, strlen(current_rootpool))) { 4162 errnum = ERR_BAD_ARGUMENT; 4163 return 0; 4164 } 4165 4166 if (set_bootfs(arg) == 0) { 4167 errnum = ERR_BAD_ARGUMENT; 4168 return 0; 4169 } 4170 4171 return (1); 4172 } 4173 4174 static struct builtin builtin_bootfs = 4175 { 4176 "bootfs", 4177 bootfs_func, 4178 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4179 "bootfs [ZFSBOOTFS]", 4180 "Set the current zfs boot filesystem to ZFSBOOTFS (rootpool/rootfs)." 4181 }; 4182 4183 4184 /* rootnoverify */ 4185 static int 4186 rootnoverify_func (char *arg, int flags) 4187 { 4188 return real_root_func (arg, 0); 4189 } 4190 4191 static struct builtin builtin_rootnoverify = 4192 { 4193 "rootnoverify", 4194 rootnoverify_func, 4195 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4196 "rootnoverify [DEVICE [HDBIAS]]", 4197 "Similar to `root', but don't attempt to mount the partition. This" 4198 " is useful for when an OS is outside of the area of the disk that" 4199 " GRUB can read, but setting the correct root device is still" 4200 " desired. Note that the items mentioned in `root' which" 4201 " derived from attempting the mount will NOT work correctly." 4202 }; 4203 4204 4205 /* savedefault */ 4206 static int 4207 savedefault_func (char *arg, int flags) 4208 { 4209 #if !defined(SUPPORT_DISKLESS) && !defined(GRUB_UTIL) 4210 unsigned long tmp_drive = saved_drive; 4211 unsigned long tmp_partition = saved_partition; 4212 char *default_file = (char *) DEFAULT_FILE_BUF; 4213 char buf[10]; 4214 char sect[SECTOR_SIZE]; 4215 int entryno; 4216 int sector_count = 0; 4217 unsigned int saved_sectors[2]; 4218 int saved_offsets[2]; 4219 int saved_lengths[2]; 4220 4221 /* not supported for zfs root */ 4222 if (is_zfs_mount == 1) { 4223 return (0); /* no-op */ 4224 } 4225 4226 /* Save sector information about at most two sectors. */ 4227 auto void disk_read_savesect_func (unsigned int sector, int offset, 4228 int length); 4229 void disk_read_savesect_func (unsigned int sector, int offset, int length) 4230 { 4231 if (sector_count < 2) 4232 { 4233 saved_sectors[sector_count] = sector; 4234 saved_offsets[sector_count] = offset; 4235 saved_lengths[sector_count] = length; 4236 } 4237 sector_count++; 4238 } 4239 4240 /* This command is only useful when you boot an entry from the menu 4241 interface. */ 4242 if (! (flags & BUILTIN_SCRIPT)) 4243 { 4244 errnum = ERR_UNRECOGNIZED; 4245 return 1; 4246 } 4247 4248 /* Determine a saved entry number. */ 4249 if (*arg) 4250 { 4251 if (grub_memcmp (arg, "fallback", sizeof ("fallback") - 1) == 0) 4252 { 4253 int i; 4254 int index = 0; 4255 4256 for (i = 0; i < MAX_FALLBACK_ENTRIES; i++) 4257 { 4258 if (fallback_entries[i] < 0) 4259 break; 4260 if (fallback_entries[i] == current_entryno) 4261 { 4262 index = i + 1; 4263 break; 4264 } 4265 } 4266 4267 if (index >= MAX_FALLBACK_ENTRIES || fallback_entries[index] < 0) 4268 { 4269 /* This is the last. */ 4270 errnum = ERR_BAD_ARGUMENT; 4271 return 1; 4272 } 4273 4274 entryno = fallback_entries[index]; 4275 } 4276 else if (! safe_parse_maxint (&arg, &entryno)) 4277 return 1; 4278 } 4279 else 4280 entryno = current_entryno; 4281 4282 /* Open the default file. */ 4283 saved_drive = boot_drive; 4284 saved_partition = install_partition; 4285 if (grub_open (default_file)) 4286 { 4287 int len; 4288 4289 disk_read_hook = disk_read_savesect_func; 4290 len = grub_read (buf, sizeof (buf)); 4291 disk_read_hook = 0; 4292 grub_close (); 4293 4294 if (len != sizeof (buf)) 4295 { 4296 /* This is too small. Do not modify the file manually, please! */ 4297 errnum = ERR_READ; 4298 goto fail; 4299 } 4300 4301 if (sector_count > 2) 4302 { 4303 /* Is this possible?! Too fragmented! */ 4304 errnum = ERR_FSYS_CORRUPT; 4305 goto fail; 4306 } 4307 4308 /* Set up a string to be written. */ 4309 grub_memset (buf, '\n', sizeof (buf)); 4310 grub_sprintf (buf, "%d", entryno); 4311 4312 if (saved_lengths[0] < sizeof (buf)) 4313 { 4314 /* The file is anchored to another file and the first few bytes 4315 are spanned in two sectors. Uggh... */ 4316 if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE, 4317 sect)) 4318 goto fail; 4319 grub_memmove (sect + saved_offsets[0], buf, saved_lengths[0]); 4320 if (! rawwrite (current_drive, saved_sectors[0], sect)) 4321 goto fail; 4322 4323 if (! rawread (current_drive, saved_sectors[1], 0, SECTOR_SIZE, 4324 sect)) 4325 goto fail; 4326 grub_memmove (sect + saved_offsets[1], 4327 buf + saved_lengths[0], 4328 sizeof (buf) - saved_lengths[0]); 4329 if (! rawwrite (current_drive, saved_sectors[1], sect)) 4330 goto fail; 4331 } 4332 else 4333 { 4334 /* This is a simple case. It fits into a single sector. */ 4335 if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE, 4336 sect)) 4337 goto fail; 4338 grub_memmove (sect + saved_offsets[0], buf, sizeof (buf)); 4339 if (! rawwrite (current_drive, saved_sectors[0], sect)) 4340 goto fail; 4341 } 4342 4343 /* Clear the cache. */ 4344 buf_track = BUF_CACHE_INVALID; 4345 } 4346 4347 fail: 4348 saved_drive = tmp_drive; 4349 saved_partition = tmp_partition; 4350 return errnum; 4351 #else /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */ 4352 errnum = ERR_UNRECOGNIZED; 4353 return 1; 4354 #endif /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */ 4355 } 4356 4357 static struct builtin builtin_savedefault = 4358 { 4359 "savedefault", 4360 savedefault_func, 4361 BUILTIN_CMDLINE, 4362 "savedefault [NUM | `fallback']", 4363 "Save the current entry as the default boot entry if no argument is" 4364 " specified. If a number is specified, this number is saved. If" 4365 " `fallback' is used, next fallback entry is saved." 4366 }; 4367 4368 4369 #ifdef SUPPORT_SERIAL 4370 /* serial */ 4371 static int 4372 serial_func (char *arg, int flags) 4373 { 4374 unsigned short port = serial_hw_get_port (0); 4375 unsigned int speed = 9600; 4376 int word_len = UART_8BITS_WORD; 4377 int parity = UART_NO_PARITY; 4378 int stop_bit_len = UART_1_STOP_BIT; 4379 4380 /* Process GNU-style long options. 4381 FIXME: We should implement a getopt-like function, to avoid 4382 duplications. */ 4383 while (1) 4384 { 4385 if (grub_memcmp (arg, "--unit=", sizeof ("--unit=") - 1) == 0) 4386 { 4387 char *p = arg + sizeof ("--unit=") - 1; 4388 int unit; 4389 4390 if (! safe_parse_maxint (&p, &unit)) 4391 return 1; 4392 4393 if (unit < 0 || unit > 3) 4394 { 4395 errnum = ERR_DEV_VALUES; 4396 return 1; 4397 } 4398 4399 port = serial_hw_get_port (unit); 4400 } 4401 else if (grub_memcmp (arg, "--speed=", sizeof ("--speed=") - 1) == 0) 4402 { 4403 char *p = arg + sizeof ("--speed=") - 1; 4404 int num; 4405 4406 if (! safe_parse_maxint (&p, &num)) 4407 return 1; 4408 4409 speed = (unsigned int) num; 4410 } 4411 else if (grub_memcmp (arg, "--port=", sizeof ("--port=") - 1) == 0) 4412 { 4413 char *p = arg + sizeof ("--port=") - 1; 4414 int num; 4415 4416 if (! safe_parse_maxint (&p, &num)) 4417 return 1; 4418 4419 port = (unsigned short) num; 4420 } 4421 else if (grub_memcmp (arg, "--word=", sizeof ("--word=") - 1) == 0) 4422 { 4423 char *p = arg + sizeof ("--word=") - 1; 4424 int len; 4425 4426 if (! safe_parse_maxint (&p, &len)) 4427 return 1; 4428 4429 switch (len) 4430 { 4431 case 5: word_len = UART_5BITS_WORD; break; 4432 case 6: word_len = UART_6BITS_WORD; break; 4433 case 7: word_len = UART_7BITS_WORD; break; 4434 case 8: word_len = UART_8BITS_WORD; break; 4435 default: 4436 errnum = ERR_BAD_ARGUMENT; 4437 return 1; 4438 } 4439 } 4440 else if (grub_memcmp (arg, "--stop=", sizeof ("--stop=") - 1) == 0) 4441 { 4442 char *p = arg + sizeof ("--stop=") - 1; 4443 int len; 4444 4445 if (! safe_parse_maxint (&p, &len)) 4446 return 1; 4447 4448 switch (len) 4449 { 4450 case 1: stop_bit_len = UART_1_STOP_BIT; break; 4451 case 2: stop_bit_len = UART_2_STOP_BITS; break; 4452 default: 4453 errnum = ERR_BAD_ARGUMENT; 4454 return 1; 4455 } 4456 } 4457 else if (grub_memcmp (arg, "--parity=", sizeof ("--parity=") - 1) == 0) 4458 { 4459 char *p = arg + sizeof ("--parity=") - 1; 4460 4461 if (grub_memcmp (p, "no", sizeof ("no") - 1) == 0) 4462 parity = UART_NO_PARITY; 4463 else if (grub_memcmp (p, "odd", sizeof ("odd") - 1) == 0) 4464 parity = UART_ODD_PARITY; 4465 else if (grub_memcmp (p, "even", sizeof ("even") - 1) == 0) 4466 parity = UART_EVEN_PARITY; 4467 else 4468 { 4469 errnum = ERR_BAD_ARGUMENT; 4470 return 1; 4471 } 4472 } 4473 # ifdef GRUB_UTIL 4474 /* In the grub shell, don't use any port number but open a tty 4475 device instead. */ 4476 else if (grub_memcmp (arg, "--device=", sizeof ("--device=") - 1) == 0) 4477 { 4478 char *p = arg + sizeof ("--device=") - 1; 4479 char dev[256]; /* XXX */ 4480 char *q = dev; 4481 4482 while (*p && ! grub_isspace (*p)) 4483 *q++ = *p++; 4484 4485 *q = 0; 4486 serial_set_device (dev); 4487 } 4488 # endif /* GRUB_UTIL */ 4489 else 4490 break; 4491 4492 arg = skip_to (0, arg); 4493 } 4494 4495 /* Initialize the serial unit. */ 4496 if (! serial_hw_init (port, speed, word_len, parity, stop_bit_len)) 4497 { 4498 errnum = ERR_BAD_ARGUMENT; 4499 return 1; 4500 } 4501 4502 return 0; 4503 } 4504 4505 static struct builtin builtin_serial = 4506 { 4507 "serial", 4508 serial_func, 4509 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4510 "serial [--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] [--parity=PARITY] [--stop=STOP] [--device=DEV]", 4511 "Initialize a serial device. UNIT is a digit that specifies which serial" 4512 " device is used (e.g. 0 == COM1). If you need to specify the port number," 4513 " set it by --port. SPEED is the DTE-DTE speed. WORD is the word length," 4514 " PARITY is the type of parity, which is one of `no', `odd' and `even'." 4515 " STOP is the length of stop bit(s). The option --device can be used only" 4516 " in the grub shell, which specifies the file name of a tty device. The" 4517 " default values are COM1, 9600, 8N1." 4518 }; 4519 #endif /* SUPPORT_SERIAL */ 4520 4521 4522 /* setkey */ 4523 struct keysym 4524 { 4525 char *unshifted_name; /* the name in unshifted state */ 4526 char *shifted_name; /* the name in shifted state */ 4527 unsigned char unshifted_ascii; /* the ascii code in unshifted state */ 4528 unsigned char shifted_ascii; /* the ascii code in shifted state */ 4529 unsigned char keycode; /* keyboard scancode */ 4530 }; 4531 4532 /* The table for key symbols. If the "shifted" member of an entry is 4533 NULL, the entry does not have shifted state. */ 4534 static struct keysym keysym_table[] = 4535 { 4536 {"escape", 0, 0x1b, 0, 0x01}, 4537 {"1", "exclam", '1', '!', 0x02}, 4538 {"2", "at", '2', '@', 0x03}, 4539 {"3", "numbersign", '3', '#', 0x04}, 4540 {"4", "dollar", '4', '$', 0x05}, 4541 {"5", "percent", '5', '%', 0x06}, 4542 {"6", "caret", '6', '^', 0x07}, 4543 {"7", "ampersand", '7', '&', 0x08}, 4544 {"8", "asterisk", '8', '*', 0x09}, 4545 {"9", "parenleft", '9', '(', 0x0a}, 4546 {"0", "parenright", '0', ')', 0x0b}, 4547 {"minus", "underscore", '-', '_', 0x0c}, 4548 {"equal", "plus", '=', '+', 0x0d}, 4549 {"backspace", 0, '\b', 0, 0x0e}, 4550 {"tab", 0, '\t', 0, 0x0f}, 4551 {"q", "Q", 'q', 'Q', 0x10}, 4552 {"w", "W", 'w', 'W', 0x11}, 4553 {"e", "E", 'e', 'E', 0x12}, 4554 {"r", "R", 'r', 'R', 0x13}, 4555 {"t", "T", 't', 'T', 0x14}, 4556 {"y", "Y", 'y', 'Y', 0x15}, 4557 {"u", "U", 'u', 'U', 0x16}, 4558 {"i", "I", 'i', 'I', 0x17}, 4559 {"o", "O", 'o', 'O', 0x18}, 4560 {"p", "P", 'p', 'P', 0x19}, 4561 {"bracketleft", "braceleft", '[', '{', 0x1a}, 4562 {"bracketright", "braceright", ']', '}', 0x1b}, 4563 {"enter", 0, '\n', 0, 0x1c}, 4564 {"control", 0, 0, 0, 0x1d}, 4565 {"a", "A", 'a', 'A', 0x1e}, 4566 {"s", "S", 's', 'S', 0x1f}, 4567 {"d", "D", 'd', 'D', 0x20}, 4568 {"f", "F", 'f', 'F', 0x21}, 4569 {"g", "G", 'g', 'G', 0x22}, 4570 {"h", "H", 'h', 'H', 0x23}, 4571 {"j", "J", 'j', 'J', 0x24}, 4572 {"k", "K", 'k', 'K', 0x25}, 4573 {"l", "L", 'l', 'L', 0x26}, 4574 {"semicolon", "colon", ';', ':', 0x27}, 4575 {"quote", "doublequote", '\'', '"', 0x28}, 4576 {"backquote", "tilde", '`', '~', 0x29}, 4577 {"shift", 0, 0, 0, 0x2a}, 4578 {"backslash", "bar", '\\', '|', 0x2b}, 4579 {"z", "Z", 'z', 'Z', 0x2c}, 4580 {"x", "X", 'x', 'X', 0x2d}, 4581 {"c", "C", 'c', 'C', 0x2e}, 4582 {"v", "V", 'v', 'V', 0x2f}, 4583 {"b", "B", 'b', 'B', 0x30}, 4584 {"n", "N", 'n', 'N', 0x31}, 4585 {"m", "M", 'm', 'M', 0x32}, 4586 {"comma", "less", ',', '<', 0x33}, 4587 {"period", "greater", '.', '>', 0x34}, 4588 {"slash", "question", '/', '?', 0x35}, 4589 {"alt", 0, 0, 0, 0x38}, 4590 {"space", 0, ' ', 0, 0x39}, 4591 {"capslock", 0, 0, 0, 0x3a}, 4592 {"F1", 0, 0, 0, 0x3b}, 4593 {"F2", 0, 0, 0, 0x3c}, 4594 {"F3", 0, 0, 0, 0x3d}, 4595 {"F4", 0, 0, 0, 0x3e}, 4596 {"F5", 0, 0, 0, 0x3f}, 4597 {"F6", 0, 0, 0, 0x40}, 4598 {"F7", 0, 0, 0, 0x41}, 4599 {"F8", 0, 0, 0, 0x42}, 4600 {"F9", 0, 0, 0, 0x43}, 4601 {"F10", 0, 0, 0, 0x44}, 4602 /* Caution: do not add NumLock here! we cannot deal with it properly. */ 4603 {"delete", 0, 0x7f, 0, 0x53} 4604 }; 4605 4606 static int 4607 setkey_func (char *arg, int flags) 4608 { 4609 char *to_key, *from_key; 4610 int to_code, from_code; 4611 int map_in_interrupt = 0; 4612 4613 auto int find_key_code (char *key); 4614 auto int find_ascii_code (char *key); 4615 4616 auto int find_key_code (char *key) 4617 { 4618 int i; 4619 4620 for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++) 4621 { 4622 if (keysym_table[i].unshifted_name && 4623 grub_strcmp (key, keysym_table[i].unshifted_name) == 0) 4624 return keysym_table[i].keycode; 4625 else if (keysym_table[i].shifted_name && 4626 grub_strcmp (key, keysym_table[i].shifted_name) == 0) 4627 return keysym_table[i].keycode; 4628 } 4629 4630 return 0; 4631 } 4632 4633 auto int find_ascii_code (char *key) 4634 { 4635 int i; 4636 4637 for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++) 4638 { 4639 if (keysym_table[i].unshifted_name && 4640 grub_strcmp (key, keysym_table[i].unshifted_name) == 0) 4641 return keysym_table[i].unshifted_ascii; 4642 else if (keysym_table[i].shifted_name && 4643 grub_strcmp (key, keysym_table[i].shifted_name) == 0) 4644 return keysym_table[i].shifted_ascii; 4645 } 4646 4647 return 0; 4648 } 4649 4650 to_key = arg; 4651 from_key = skip_to (0, to_key); 4652 4653 if (! *to_key) 4654 { 4655 /* If the user specifies no argument, reset the key mappings. */ 4656 grub_memset (bios_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short)); 4657 grub_memset (ascii_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short)); 4658 4659 return 0; 4660 } 4661 else if (! *from_key) 4662 { 4663 /* The user must specify two arguments or zero argument. */ 4664 errnum = ERR_BAD_ARGUMENT; 4665 return 1; 4666 } 4667 4668 nul_terminate (to_key); 4669 nul_terminate (from_key); 4670 4671 to_code = find_ascii_code (to_key); 4672 from_code = find_ascii_code (from_key); 4673 if (! to_code || ! from_code) 4674 { 4675 map_in_interrupt = 1; 4676 to_code = find_key_code (to_key); 4677 from_code = find_key_code (from_key); 4678 if (! to_code || ! from_code) 4679 { 4680 errnum = ERR_BAD_ARGUMENT; 4681 return 1; 4682 } 4683 } 4684 4685 if (map_in_interrupt) 4686 { 4687 int i; 4688 4689 /* Find an empty slot. */ 4690 for (i = 0; i < KEY_MAP_SIZE; i++) 4691 { 4692 if ((bios_key_map[i] & 0xff) == from_code) 4693 /* Perhaps the user wants to overwrite the map. */ 4694 break; 4695 4696 if (! bios_key_map[i]) 4697 break; 4698 } 4699 4700 if (i == KEY_MAP_SIZE) 4701 { 4702 errnum = ERR_WONT_FIT; 4703 return 1; 4704 } 4705 4706 if (to_code == from_code) 4707 /* If TO is equal to FROM, delete the entry. */ 4708 grub_memmove ((char *) &bios_key_map[i], 4709 (char *) &bios_key_map[i + 1], 4710 sizeof (unsigned short) * (KEY_MAP_SIZE - i)); 4711 else 4712 bios_key_map[i] = (to_code << 8) | from_code; 4713 4714 /* Ugly but should work. */ 4715 unset_int15_handler (); 4716 set_int15_handler (); 4717 } 4718 else 4719 { 4720 int i; 4721 4722 /* Find an empty slot. */ 4723 for (i = 0; i < KEY_MAP_SIZE; i++) 4724 { 4725 if ((ascii_key_map[i] & 0xff) == from_code) 4726 /* Perhaps the user wants to overwrite the map. */ 4727 break; 4728 4729 if (! ascii_key_map[i]) 4730 break; 4731 } 4732 4733 if (i == KEY_MAP_SIZE) 4734 { 4735 errnum = ERR_WONT_FIT; 4736 return 1; 4737 } 4738 4739 if (to_code == from_code) 4740 /* If TO is equal to FROM, delete the entry. */ 4741 grub_memmove ((char *) &ascii_key_map[i], 4742 (char *) &ascii_key_map[i + 1], 4743 sizeof (unsigned short) * (KEY_MAP_SIZE - i)); 4744 else 4745 ascii_key_map[i] = (to_code << 8) | from_code; 4746 } 4747 4748 return 0; 4749 } 4750 4751 static struct builtin builtin_setkey = 4752 { 4753 "setkey", 4754 setkey_func, 4755 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 4756 "setkey [TO_KEY FROM_KEY]", 4757 "Change the keyboard map. The key FROM_KEY is mapped to the key TO_KEY." 4758 " A key must be an alphabet, a digit, or one of these: escape, exclam," 4759 " at, numbersign, dollar, percent, caret, ampersand, asterisk, parenleft," 4760 " parenright, minus, underscore, equal, plus, backspace, tab, bracketleft," 4761 " braceleft, bracketright, braceright, enter, control, semicolon, colon," 4762 " quote, doublequote, backquote, tilde, shift, backslash, bar, comma," 4763 " less, period, greater, slash, question, alt, space, capslock, FX (X" 4764 " is a digit), and delete. If no argument is specified, reset key" 4765 " mappings." 4766 }; 4767 4768 4769 /* setup */ 4770 static int 4771 setup_func (char *arg, int flags) 4772 { 4773 /* Point to the string of the installed drive/partition. */ 4774 char *install_ptr; 4775 /* Point to the string of the drive/parition where the GRUB images 4776 reside. */ 4777 char *image_ptr; 4778 unsigned long installed_drive, installed_partition; 4779 unsigned long image_drive, image_partition; 4780 unsigned long tmp_drive, tmp_partition; 4781 char stage1[64]; 4782 char stage2[64]; 4783 char config_filename[64]; 4784 char real_config_filename[64]; 4785 char cmd_arg[256]; 4786 char device[16]; 4787 char *buffer = (char *) RAW_ADDR (0x100000); 4788 int is_force_lba = 0; 4789 char *stage2_arg = 0; 4790 char *prefix = 0; 4791 4792 auto int check_file (char *file); 4793 auto void sprint_device (int drive, int partition); 4794 auto int embed_stage1_5 (char * stage1_5, int drive, int partition); 4795 4796 /* Check if the file FILE exists like Autoconf. */ 4797 int check_file (char *file) 4798 { 4799 int ret; 4800 4801 grub_printf (" Checking if \"%s\" exists... ", file); 4802 ret = grub_open (file); 4803 if (ret) 4804 { 4805 grub_close (); 4806 grub_printf ("yes\n"); 4807 } 4808 else 4809 grub_printf ("no\n"); 4810 4811 return ret; 4812 } 4813 4814 /* Construct a device name in DEVICE. */ 4815 void sprint_device (int drive, int partition) 4816 { 4817 grub_sprintf (device, "(%cd%d", 4818 (drive & 0x80) ? 'h' : 'f', 4819 drive & ~0x80); 4820 if ((partition & 0xFF0000) != 0xFF0000) 4821 { 4822 char tmp[16]; 4823 grub_sprintf (tmp, ",%d", (partition >> 16) & 0xFF); 4824 grub_strncat (device, tmp, 256); 4825 } 4826 if ((partition & 0x00FF00) != 0x00FF00) 4827 { 4828 char tmp[16]; 4829 grub_sprintf (tmp, ",%c", 'a' + ((partition >> 8) & 0xFF)); 4830 grub_strncat (device, tmp, 256); 4831 } 4832 grub_strncat (device, ")", 256); 4833 } 4834 4835 int embed_stage1_5 (char *stage1_5, int drive, int partition) 4836 { 4837 /* We install GRUB into the MBR, so try to embed the 4838 Stage 1.5 in the sectors right after the MBR. */ 4839 sprint_device (drive, partition); 4840 grub_sprintf (cmd_arg, "%s %s", stage1_5, device); 4841 4842 /* Notify what will be run. */ 4843 grub_printf (" Running \"embed %s\"... ", cmd_arg); 4844 4845 embed_func (cmd_arg, flags); 4846 if (! errnum) 4847 { 4848 /* Construct the blocklist representation. */ 4849 grub_sprintf (buffer, "%s%s", device, embed_info); 4850 grub_printf ("succeeded\n"); 4851 return 1; 4852 } 4853 else 4854 { 4855 grub_printf ("failed (this is not fatal)\n"); 4856 return 0; 4857 } 4858 } 4859 4860 struct stage1_5_map { 4861 char *fsys; 4862 char *name; 4863 }; 4864 struct stage1_5_map stage1_5_map[] = 4865 { 4866 {"ext2fs", "/e2fs_stage1_5"}, 4867 {"fat", "/fat_stage1_5"}, 4868 {"ufs2", "/ufs2_stage1_5"}, 4869 {"ffs", "/ffs_stage1_5"}, 4870 {"iso9660", "/iso9660_stage1_5"}, 4871 {"jfs", "/jfs_stage1_5"}, 4872 {"minix", "/minix_stage1_5"}, 4873 {"reiserfs", "/reiserfs_stage1_5"}, 4874 {"vstafs", "/vstafs_stage1_5"}, 4875 {"xfs", "/xfs_stage1_5"}, 4876 {"ufs", "/ufs_stage1_5"} 4877 }; 4878 4879 tmp_drive = saved_drive; 4880 tmp_partition = saved_partition; 4881 4882 /* Check if the user specifies --force-lba. */ 4883 while (1) 4884 { 4885 if (grub_memcmp ("--force-lba", arg, sizeof ("--force-lba") - 1) == 0) 4886 { 4887 is_force_lba = 1; 4888 arg = skip_to (0, arg); 4889 } 4890 else if (grub_memcmp ("--prefix=", arg, sizeof ("--prefix=") - 1) == 0) 4891 { 4892 prefix = arg + sizeof ("--prefix=") - 1; 4893 arg = skip_to (0, arg); 4894 nul_terminate (prefix); 4895 } 4896 #ifdef GRUB_UTIL 4897 else if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0) 4898 { 4899 stage2_arg = arg; 4900 arg = skip_to (0, arg); 4901 nul_terminate (stage2_arg); 4902 } 4903 #endif /* GRUB_UTIL */ 4904 else 4905 break; 4906 } 4907 4908 install_ptr = arg; 4909 image_ptr = skip_to (0, install_ptr); 4910 4911 /* Make sure that INSTALL_PTR is valid. */ 4912 set_device (install_ptr); 4913 if (errnum) 4914 return 1; 4915 4916 installed_drive = current_drive; 4917 installed_partition = current_partition; 4918 4919 /* Mount the drive pointed by IMAGE_PTR. */ 4920 if (*image_ptr) 4921 { 4922 /* If the drive/partition where the images reside is specified, 4923 get the drive and the partition. */ 4924 set_device (image_ptr); 4925 if (errnum) 4926 return 1; 4927 } 4928 else 4929 { 4930 /* If omitted, use SAVED_PARTITION and SAVED_DRIVE. */ 4931 current_drive = saved_drive; 4932 current_partition = saved_partition; 4933 } 4934 4935 image_drive = saved_drive = current_drive; 4936 image_partition = saved_partition = current_partition; 4937 4938 /* Open it. */ 4939 if (! open_device ()) 4940 goto fail; 4941 4942 /* Check if stage1 exists. If the user doesn't specify the option 4943 `--prefix', attempt /boot/grub and /grub. */ 4944 /* NOTE: It is dangerous to run this command without `--prefix' in the 4945 grub shell, since that affects `--stage2'. */ 4946 if (! prefix) 4947 { 4948 prefix = "/boot/grub"; 4949 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4950 if (! check_file (stage1)) 4951 { 4952 errnum = ERR_NONE; 4953 prefix = "/grub"; 4954 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4955 if (! check_file (stage1)) 4956 goto fail; 4957 } 4958 } 4959 else 4960 { 4961 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4962 if (! check_file (stage1)) 4963 goto fail; 4964 } 4965 4966 /* The prefix was determined. */ 4967 grub_sprintf (stage2, "%s%s", prefix, "/stage2"); 4968 grub_sprintf (config_filename, "%s%s", prefix, "/menu.lst"); 4969 *real_config_filename = 0; 4970 4971 /* Check if stage2 exists. */ 4972 if (! check_file (stage2)) 4973 goto fail; 4974 4975 { 4976 char *fsys = fsys_table[fsys_type].name; 4977 int i; 4978 int size = sizeof (stage1_5_map) / sizeof (stage1_5_map[0]); 4979 4980 /* Iterate finding the same filesystem name as FSYS. */ 4981 for (i = 0; i < size; i++) 4982 if (grub_strcmp (fsys, stage1_5_map[i].fsys) == 0) 4983 { 4984 /* OK, check if the Stage 1.5 exists. */ 4985 char stage1_5[64]; 4986 4987 grub_sprintf (stage1_5, "%s%s", prefix, stage1_5_map[i].name); 4988 if (check_file (stage1_5)) 4989 { 4990 if (embed_stage1_5 (stage1_5, 4991 installed_drive, installed_partition) 4992 || embed_stage1_5 (stage1_5, 4993 image_drive, image_partition)) 4994 { 4995 grub_strcpy (real_config_filename, config_filename); 4996 sprint_device (image_drive, image_partition); 4997 grub_sprintf (config_filename, "%s%s", device, stage2); 4998 grub_strcpy (stage2, buffer); 4999 } 5000 } 5001 errnum = 0; 5002 break; 5003 } 5004 } 5005 5006 /* Construct a string that is used by the command "install" as its 5007 arguments. */ 5008 sprint_device (installed_drive, installed_partition); 5009 5010 #if 1 5011 /* Don't embed a drive number unnecessarily. */ 5012 grub_sprintf (cmd_arg, "%s%s%s%s %s%s %s p %s %s", 5013 is_force_lba? "--force-lba " : "", 5014 stage2_arg? stage2_arg : "", 5015 stage2_arg? " " : "", 5016 stage1, 5017 (installed_drive != image_drive) ? "d " : "", 5018 device, 5019 stage2, 5020 config_filename, 5021 real_config_filename); 5022 #else /* NOT USED */ 5023 /* This code was used, because we belived some BIOSes had a problem 5024 that they didn't pass a booting drive correctly. It turned out, 5025 however, stage1 could trash a booting drive when checking LBA support, 5026 because some BIOSes modified the register %dx in INT 13H, AH=48H. 5027 So it becamed unclear whether GRUB should use a pre-defined booting 5028 drive or not. If the problem still exists, it would be necessary to 5029 switch back to this code. */ 5030 grub_sprintf (cmd_arg, "%s%s%s%s d %s %s p %s %s", 5031 is_force_lba? "--force-lba " : "", 5032 stage2_arg? stage2_arg : "", 5033 stage2_arg? " " : "", 5034 stage1, 5035 device, 5036 stage2, 5037 config_filename, 5038 real_config_filename); 5039 #endif /* NOT USED */ 5040 5041 /* Notify what will be run. */ 5042 grub_printf (" Running \"install %s\"... ", cmd_arg); 5043 5044 /* Make sure that SAVED_DRIVE and SAVED_PARTITION are identical 5045 with IMAGE_DRIVE and IMAGE_PARTITION, respectively. */ 5046 saved_drive = image_drive; 5047 saved_partition = image_partition; 5048 5049 /* Run the command. */ 5050 if (! install_func (cmd_arg, flags)) 5051 grub_printf ("succeeded\nDone.\n"); 5052 else 5053 grub_printf ("failed\n"); 5054 5055 fail: 5056 saved_drive = tmp_drive; 5057 saved_partition = tmp_partition; 5058 return errnum; 5059 } 5060 5061 static struct builtin builtin_setup = 5062 { 5063 "setup", 5064 setup_func, 5065 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5066 "setup [--prefix=DIR] [--stage2=STAGE2_FILE] [--force-lba] INSTALL_DEVICE [IMAGE_DEVICE]", 5067 "Set up the installation of GRUB automatically. This command uses" 5068 " the more flexible command \"install\" in the backend and installs" 5069 " GRUB into the device INSTALL_DEVICE. If IMAGE_DEVICE is specified," 5070 " then find the GRUB images in the device IMAGE_DEVICE, otherwise" 5071 " use the current \"root device\", which can be set by the command" 5072 " \"root\". If you know that your BIOS should support LBA but GRUB" 5073 " doesn't work in LBA mode, specify the option `--force-lba'." 5074 " If you install GRUB under the grub shell and you cannot unmount the" 5075 " partition where GRUB images reside, specify the option `--stage2'" 5076 " to tell GRUB the file name under your OS." 5077 }; 5078 5079 5080 #if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) 5081 /* terminal */ 5082 static int 5083 terminal_func (char *arg, int flags) 5084 { 5085 /* The index of the default terminal in TERM_TABLE. */ 5086 int default_term = -1; 5087 struct term_entry *prev_term = current_term; 5088 int to = -1; 5089 int lines = 0; 5090 int no_message = 0; 5091 unsigned long term_flags = 0; 5092 /* XXX: Assume less than 32 terminals. */ 5093 unsigned long term_bitmap = 0; 5094 5095 /* Get GNU-style long options. */ 5096 while (1) 5097 { 5098 if (grub_memcmp (arg, "--dumb", sizeof ("--dumb") - 1) == 0) 5099 term_flags |= TERM_DUMB; 5100 else if (grub_memcmp (arg, "--no-echo", sizeof ("--no-echo") - 1) == 0) 5101 /* ``--no-echo'' implies ``--no-edit''. */ 5102 term_flags |= (TERM_NO_ECHO | TERM_NO_EDIT); 5103 else if (grub_memcmp (arg, "--no-edit", sizeof ("--no-edit") - 1) == 0) 5104 term_flags |= TERM_NO_EDIT; 5105 else if (grub_memcmp (arg, "--timeout=", sizeof ("--timeout=") - 1) == 0) 5106 { 5107 char *val = arg + sizeof ("--timeout=") - 1; 5108 5109 if (! safe_parse_maxint (&val, &to)) 5110 return 1; 5111 } 5112 else if (grub_memcmp (arg, "--lines=", sizeof ("--lines=") - 1) == 0) 5113 { 5114 char *val = arg + sizeof ("--lines=") - 1; 5115 5116 if (! safe_parse_maxint (&val, &lines)) 5117 return 1; 5118 5119 /* Probably less than four is meaningless.... */ 5120 if (lines < 4) 5121 { 5122 errnum = ERR_BAD_ARGUMENT; 5123 return 1; 5124 } 5125 } 5126 else if (grub_memcmp (arg, "--silent", sizeof ("--silent") - 1) == 0) 5127 no_message = 1; 5128 else 5129 break; 5130 5131 arg = skip_to (0, arg); 5132 } 5133 5134 /* If no argument is specified, show current setting. */ 5135 if (! *arg) 5136 { 5137 grub_printf ("%s%s%s%s\n", 5138 current_term->name, 5139 current_term->flags & TERM_DUMB ? " (dumb)" : "", 5140 current_term->flags & TERM_NO_EDIT ? " (no edit)" : "", 5141 current_term->flags & TERM_NO_ECHO ? " (no echo)" : ""); 5142 return 0; 5143 } 5144 5145 while (*arg) 5146 { 5147 int i; 5148 char *next = skip_to (0, arg); 5149 5150 nul_terminate (arg); 5151 5152 for (i = 0; term_table[i].name; i++) 5153 { 5154 if (grub_strcmp (arg, term_table[i].name) == 0) 5155 { 5156 if (term_table[i].flags & TERM_NEED_INIT) 5157 { 5158 errnum = ERR_DEV_NEED_INIT; 5159 return 1; 5160 } 5161 5162 if (default_term < 0) 5163 default_term = i; 5164 5165 term_bitmap |= (1 << i); 5166 break; 5167 } 5168 } 5169 5170 if (! term_table[i].name) 5171 { 5172 errnum = ERR_BAD_ARGUMENT; 5173 return 1; 5174 } 5175 5176 arg = next; 5177 } 5178 5179 /* If multiple terminals are specified, wait until the user pushes any 5180 key on one of the terminals. */ 5181 if (term_bitmap & ~(1 << default_term)) 5182 { 5183 int time1, time2 = -1; 5184 5185 /* XXX: Disable the pager. */ 5186 count_lines = -1; 5187 5188 /* Get current time. */ 5189 while ((time1 = getrtsecs ()) == 0xFF) 5190 ; 5191 5192 /* Wait for a key input. */ 5193 while (to) 5194 { 5195 int i; 5196 5197 for (i = 0; term_table[i].name; i++) 5198 { 5199 if (term_bitmap & (1 << i)) 5200 { 5201 if (term_table[i].checkkey () >= 0) 5202 { 5203 (void) term_table[i].getkey (); 5204 default_term = i; 5205 5206 goto end; 5207 } 5208 } 5209 } 5210 5211 /* Prompt the user, once per sec. */ 5212 if ((time1 = getrtsecs ()) != time2 && time1 != 0xFF) 5213 { 5214 if (! no_message) 5215 { 5216 /* Need to set CURRENT_TERM to each of selected 5217 terminals. */ 5218 for (i = 0; term_table[i].name; i++) 5219 if (term_bitmap & (1 << i)) 5220 { 5221 current_term = term_table + i; 5222 grub_printf ("\rPress any key to continue.\n"); 5223 } 5224 5225 /* Restore CURRENT_TERM. */ 5226 current_term = prev_term; 5227 } 5228 5229 time2 = time1; 5230 if (to > 0) 5231 to--; 5232 } 5233 } 5234 } 5235 5236 end: 5237 current_term = term_table + default_term; 5238 current_term->flags = term_flags; 5239 5240 if (lines) 5241 max_lines = lines; 5242 else 5243 max_lines = current_term->max_lines; 5244 5245 /* If the interface is currently the command-line, 5246 restart it to repaint the screen. */ 5247 if ((current_term != prev_term) && (flags & BUILTIN_CMDLINE)){ 5248 if (prev_term->shutdown) 5249 prev_term->shutdown(); 5250 if (current_term->startup) 5251 current_term->startup(); 5252 grub_longjmp (restart_cmdline_env, 0); 5253 } 5254 5255 return 0; 5256 } 5257 5258 static struct builtin builtin_terminal = 5259 { 5260 "terminal", 5261 terminal_func, 5262 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5263 "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules] [graphics]", 5264 "Select a terminal. When multiple terminals are specified, wait until" 5265 " you push any key to continue. If both console and serial are specified," 5266 " the terminal to which you input a key first will be selected. If no" 5267 " argument is specified, print current setting. The option --dumb" 5268 " specifies that your terminal is dumb, otherwise, vt100-compatibility" 5269 " is assumed. If you specify --no-echo, input characters won't be echoed." 5270 " If you specify --no-edit, the BASH-like editing feature will be disabled." 5271 " If --timeout is present, this command will wait at most for SECS" 5272 " seconds. The option --lines specifies the maximum number of lines." 5273 " The option --silent is used to suppress messages." 5274 }; 5275 #endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ 5276 5277 5278 #ifdef SUPPORT_SERIAL 5279 static int 5280 terminfo_func (char *arg, int flags) 5281 { 5282 struct terminfo term; 5283 5284 if (*arg) 5285 { 5286 struct 5287 { 5288 const char *name; 5289 char *var; 5290 } 5291 options[] = 5292 { 5293 {"--name=", term.name}, 5294 {"--cursor-address=", term.cursor_address}, 5295 {"--clear-screen=", term.clear_screen}, 5296 {"--enter-standout-mode=", term.enter_standout_mode}, 5297 {"--exit-standout-mode=", term.exit_standout_mode} 5298 }; 5299 5300 grub_memset (&term, 0, sizeof (term)); 5301 5302 while (*arg) 5303 { 5304 int i; 5305 char *next = skip_to (0, arg); 5306 5307 nul_terminate (arg); 5308 5309 for (i = 0; i < sizeof (options) / sizeof (options[0]); i++) 5310 { 5311 const char *name = options[i].name; 5312 int len = grub_strlen (name); 5313 5314 if (! grub_memcmp (arg, name, len)) 5315 { 5316 grub_strcpy (options[i].var, ti_unescape_string (arg + len)); 5317 break; 5318 } 5319 } 5320 5321 if (i == sizeof (options) / sizeof (options[0])) 5322 { 5323 errnum = ERR_BAD_ARGUMENT; 5324 return errnum; 5325 } 5326 5327 arg = next; 5328 } 5329 5330 if (term.name[0] == 0 || term.cursor_address[0] == 0) 5331 { 5332 errnum = ERR_BAD_ARGUMENT; 5333 return errnum; 5334 } 5335 5336 ti_set_term (&term); 5337 } 5338 else 5339 { 5340 /* No option specifies printing out current settings. */ 5341 ti_get_term (&term); 5342 5343 grub_printf ("name=%s\n", 5344 ti_escape_string (term.name)); 5345 grub_printf ("cursor_address=%s\n", 5346 ti_escape_string (term.cursor_address)); 5347 grub_printf ("clear_screen=%s\n", 5348 ti_escape_string (term.clear_screen)); 5349 grub_printf ("enter_standout_mode=%s\n", 5350 ti_escape_string (term.enter_standout_mode)); 5351 grub_printf ("exit_standout_mode=%s\n", 5352 ti_escape_string (term.exit_standout_mode)); 5353 } 5354 5355 return 0; 5356 } 5357 5358 static struct builtin builtin_terminfo = 5359 { 5360 "terminfo", 5361 terminfo_func, 5362 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5363 "terminfo [--name=NAME --cursor-address=SEQ [--clear-screen=SEQ]" 5364 " [--enter-standout-mode=SEQ] [--exit-standout-mode=SEQ]]", 5365 5366 "Define the capabilities of your terminal. Use this command to" 5367 " define escape sequences, if it is not vt100-compatible." 5368 " You may use \\e for ESC and ^X for a control character." 5369 " If no option is specified, the current settings are printed." 5370 }; 5371 #endif /* SUPPORT_SERIAL */ 5372 5373 5374 /* testload */ 5375 static int 5376 testload_func (char *arg, int flags) 5377 { 5378 int i; 5379 5380 kernel_type = KERNEL_TYPE_NONE; 5381 5382 if (! grub_open (arg)) 5383 return 1; 5384 5385 disk_read_hook = disk_read_print_func; 5386 5387 /* Perform filesystem test on the specified file. */ 5388 /* Read whole file first. */ 5389 grub_printf ("Whole file: "); 5390 5391 grub_read ((char *) RAW_ADDR (0x100000), -1); 5392 5393 /* Now compare two sections of the file read differently. */ 5394 5395 for (i = 0; i < 0x10ac0; i++) 5396 { 5397 *((unsigned char *) RAW_ADDR (0x200000 + i)) = 0; 5398 *((unsigned char *) RAW_ADDR (0x300000 + i)) = 1; 5399 } 5400 5401 /* First partial read. */ 5402 grub_printf ("\nPartial read 1: "); 5403 5404 grub_seek (0); 5405 grub_read ((char *) RAW_ADDR (0x200000), 0x7); 5406 grub_read ((char *) RAW_ADDR (0x200007), 0x100); 5407 grub_read ((char *) RAW_ADDR (0x200107), 0x10); 5408 grub_read ((char *) RAW_ADDR (0x200117), 0x999); 5409 grub_read ((char *) RAW_ADDR (0x200ab0), 0x10); 5410 grub_read ((char *) RAW_ADDR (0x200ac0), 0x10000); 5411 5412 /* Second partial read. */ 5413 grub_printf ("\nPartial read 2: "); 5414 5415 grub_seek (0); 5416 grub_read ((char *) RAW_ADDR (0x300000), 0x10000); 5417 grub_read ((char *) RAW_ADDR (0x310000), 0x10); 5418 grub_read ((char *) RAW_ADDR (0x310010), 0x7); 5419 grub_read ((char *) RAW_ADDR (0x310017), 0x10); 5420 grub_read ((char *) RAW_ADDR (0x310027), 0x999); 5421 grub_read ((char *) RAW_ADDR (0x3109c0), 0x100); 5422 5423 grub_printf ("\nHeader1 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n", 5424 *((int *) RAW_ADDR (0x200000)), 5425 *((int *) RAW_ADDR (0x200004)), 5426 *((int *) RAW_ADDR (0x200008)), 5427 *((int *) RAW_ADDR (0x20000c))); 5428 5429 grub_printf ("Header2 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n", 5430 *((int *) RAW_ADDR (0x300000)), 5431 *((int *) RAW_ADDR (0x300004)), 5432 *((int *) RAW_ADDR (0x300008)), 5433 *((int *) RAW_ADDR (0x30000c))); 5434 5435 for (i = 0; i < 0x10ac0; i++) 5436 if (*((unsigned char *) RAW_ADDR (0x200000 + i)) 5437 != *((unsigned char *) RAW_ADDR (0x300000 + i))) 5438 break; 5439 5440 grub_printf ("Max is 0x10ac0: i=0x%x, filepos=0x%x\n", i, filepos); 5441 disk_read_hook = 0; 5442 grub_close (); 5443 return 0; 5444 } 5445 5446 static struct builtin builtin_testload = 5447 { 5448 "testload", 5449 testload_func, 5450 BUILTIN_CMDLINE, 5451 "testload FILE", 5452 "Read the entire contents of FILE in several different ways and" 5453 " compares them, to test the filesystem code. The output is somewhat" 5454 " cryptic, but if no errors are reported and the final `i=X," 5455 " filepos=Y' reading has X and Y equal, then it is definitely" 5456 " consistent, and very likely works correctly subject to a" 5457 " consistent offset error. If this test succeeds, then a good next" 5458 " step is to try loading a kernel." 5459 }; 5460 5461 5462 /* testvbe MODE */ 5463 static int 5464 testvbe_func (char *arg, int flags) 5465 { 5466 int mode_number; 5467 struct vbe_controller controller; 5468 struct vbe_mode mode; 5469 5470 if (! *arg) 5471 { 5472 errnum = ERR_BAD_ARGUMENT; 5473 return 1; 5474 } 5475 5476 if (! safe_parse_maxint (&arg, &mode_number)) 5477 return 1; 5478 5479 /* Preset `VBE2'. */ 5480 grub_memmove (controller.signature, "VBE2", 4); 5481 5482 /* Detect VBE BIOS. */ 5483 if (get_vbe_controller_info (&controller) != 0x004F) 5484 { 5485 grub_printf (" VBE BIOS is not present.\n"); 5486 return 0; 5487 } 5488 5489 if (controller.version < 0x0200) 5490 { 5491 grub_printf (" VBE version %d.%d is not supported.\n", 5492 (int) (controller.version >> 8), 5493 (int) (controller.version & 0xFF)); 5494 return 0; 5495 } 5496 5497 if (get_vbe_mode_info (mode_number, &mode) != 0x004F 5498 || (mode.mode_attributes & 0x0091) != 0x0091) 5499 { 5500 grub_printf (" Mode 0x%x is not supported.\n", mode_number); 5501 return 0; 5502 } 5503 5504 /* Now trip to the graphics mode. */ 5505 if (set_vbe_mode (mode_number | (1 << 14)) != 0x004F) 5506 { 5507 grub_printf (" Switching to Mode 0x%x failed.\n", mode_number); 5508 return 0; 5509 } 5510 5511 /* Draw something on the screen... */ 5512 { 5513 unsigned char *base_buf = (unsigned char *) mode.phys_base; 5514 int scanline = controller.version >= 0x0300 5515 ? mode.linear_bytes_per_scanline : mode.bytes_per_scanline; 5516 /* FIXME: this assumes that any depth is a modulo of 8. */ 5517 int bpp = mode.bits_per_pixel / 8; 5518 int width = mode.x_resolution; 5519 int height = mode.y_resolution; 5520 int x, y; 5521 unsigned color = 0; 5522 5523 /* Iterate drawing on the screen, until the user hits any key. */ 5524 while (checkkey () == -1) 5525 { 5526 for (y = 0; y < height; y++) 5527 { 5528 unsigned char *line_buf = base_buf + scanline * y; 5529 5530 for (x = 0; x < width; x++) 5531 { 5532 unsigned char *buf = line_buf + bpp * x; 5533 int i; 5534 5535 for (i = 0; i < bpp; i++, buf++) 5536 *buf = (color >> (i * 8)) & 0xff; 5537 } 5538 5539 color++; 5540 } 5541 } 5542 5543 /* Discard the input. */ 5544 getkey (); 5545 } 5546 5547 /* Back to the default text mode. */ 5548 if (set_vbe_mode (0x03) != 0x004F) 5549 { 5550 /* Why?! */ 5551 grub_reboot (); 5552 } 5553 5554 return 0; 5555 } 5556 5557 static struct builtin builtin_testvbe = 5558 { 5559 "testvbe", 5560 testvbe_func, 5561 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5562 "testvbe MODE", 5563 "Test the VBE mode MODE. Hit any key to return." 5564 }; 5565 5566 5567 #ifdef SUPPORT_NETBOOT 5568 /* tftpserver */ 5569 static int 5570 tftpserver_func (char *arg, int flags) 5571 { 5572 if (! *arg || ! ifconfig (0, 0, 0, arg)) 5573 { 5574 errnum = ERR_BAD_ARGUMENT; 5575 return 1; 5576 } 5577 5578 print_network_configuration (); 5579 return 0; 5580 } 5581 5582 static struct builtin builtin_tftpserver = 5583 { 5584 "tftpserver", 5585 tftpserver_func, 5586 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 5587 "tftpserver IPADDR", 5588 "Override the TFTP server address." 5589 }; 5590 #endif /* SUPPORT_NETBOOT */ 5591 5592 5593 /* timeout */ 5594 static int 5595 timeout_func (char *arg, int flags) 5596 { 5597 if (! safe_parse_maxint (&arg, &grub_timeout)) 5598 return 1; 5599 5600 return 0; 5601 } 5602 5603 static struct builtin builtin_timeout = 5604 { 5605 "timeout", 5606 timeout_func, 5607 BUILTIN_MENU, 5608 #if 0 5609 "timeout SEC", 5610 "Set a timeout, in SEC seconds, before automatically booting the" 5611 " default entry (normally the first entry defined)." 5612 #endif 5613 }; 5614 5615 5616 /* title */ 5617 static int 5618 title_func (char *arg, int flags) 5619 { 5620 /* This function is not actually used at least currently. */ 5621 return 0; 5622 } 5623 5624 static struct builtin builtin_title = 5625 { 5626 "title", 5627 title_func, 5628 BUILTIN_TITLE, 5629 #if 0 5630 "title [NAME ...]", 5631 "Start a new boot entry, and set its name to the contents of the" 5632 " rest of the line, starting with the first non-space character." 5633 #endif 5634 }; 5635 5636 5637 /* unhide */ 5638 static int 5639 unhide_func (char *arg, int flags) 5640 { 5641 if (! set_device (arg)) 5642 return 1; 5643 5644 if (! set_partition_hidden_flag (0)) 5645 return 1; 5646 5647 return 0; 5648 } 5649 5650 static struct builtin builtin_unhide = 5651 { 5652 "unhide", 5653 unhide_func, 5654 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 5655 "unhide PARTITION", 5656 "Unhide PARTITION by clearing the \"hidden\" bit in its" 5657 " partition type code." 5658 }; 5659 5660 5661 /* uppermem */ 5662 static int 5663 uppermem_func (char *arg, int flags) 5664 { 5665 if (! safe_parse_maxint (&arg, (int *) &mbi.mem_upper)) 5666 return 1; 5667 5668 mbi.flags &= ~MB_INFO_MEM_MAP; 5669 return 0; 5670 } 5671 5672 static struct builtin builtin_uppermem = 5673 { 5674 "uppermem", 5675 uppermem_func, 5676 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5677 "uppermem KBYTES", 5678 "Force GRUB to assume that only KBYTES kilobytes of upper memory are" 5679 " installed. Any system address range maps are discarded." 5680 }; 5681 5682 5683 /* vbeprobe */ 5684 static int 5685 vbeprobe_func (char *arg, int flags) 5686 { 5687 struct vbe_controller controller; 5688 unsigned short *mode_list; 5689 int mode_number = -1; 5690 5691 auto unsigned long vbe_far_ptr_to_linear (unsigned long); 5692 5693 unsigned long vbe_far_ptr_to_linear (unsigned long ptr) 5694 { 5695 unsigned short seg = (ptr >> 16); 5696 unsigned short off = (ptr & 0xFFFF); 5697 5698 return (seg << 4) + off; 5699 } 5700 5701 if (*arg) 5702 { 5703 if (! safe_parse_maxint (&arg, &mode_number)) 5704 return 1; 5705 } 5706 5707 /* Set the signature to `VBE2', to obtain VBE 3.0 information. */ 5708 grub_memmove (controller.signature, "VBE2", 4); 5709 5710 if (get_vbe_controller_info (&controller) != 0x004F) 5711 { 5712 grub_printf (" VBE BIOS is not present.\n"); 5713 return 0; 5714 } 5715 5716 /* Check the version. */ 5717 if (controller.version < 0x0200) 5718 { 5719 grub_printf (" VBE version %d.%d is not supported.\n", 5720 (int) (controller.version >> 8), 5721 (int) (controller.version & 0xFF)); 5722 return 0; 5723 } 5724 5725 /* Print some information. */ 5726 grub_printf (" VBE version %d.%d\n", 5727 (int) (controller.version >> 8), 5728 (int) (controller.version & 0xFF)); 5729 5730 /* Iterate probing modes. */ 5731 for (mode_list 5732 = (unsigned short *) vbe_far_ptr_to_linear (controller.video_mode); 5733 *mode_list != 0xFFFF; 5734 mode_list++) 5735 { 5736 struct vbe_mode mode; 5737 5738 if (get_vbe_mode_info (*mode_list, &mode) != 0x004F) 5739 continue; 5740 5741 /* Skip this, if this is not supported or linear frame buffer 5742 mode is not support. */ 5743 if ((mode.mode_attributes & 0x0081) != 0x0081) 5744 continue; 5745 5746 if (mode_number == -1 || mode_number == *mode_list) 5747 { 5748 char *model; 5749 switch (mode.memory_model) 5750 { 5751 case 0x00: model = "Text"; break; 5752 case 0x01: model = "CGA graphics"; break; 5753 case 0x02: model = "Hercules graphics"; break; 5754 case 0x03: model = "Planar"; break; 5755 case 0x04: model = "Packed pixel"; break; 5756 case 0x05: model = "Non-chain 4, 256 color"; break; 5757 case 0x06: model = "Direct Color"; break; 5758 case 0x07: model = "YUV"; break; 5759 default: model = "Unknown"; break; 5760 } 5761 5762 grub_printf (" 0x%x: %s, %ux%ux%u\n", 5763 (unsigned) *mode_list, 5764 model, 5765 (unsigned) mode.x_resolution, 5766 (unsigned) mode.y_resolution, 5767 (unsigned) mode.bits_per_pixel); 5768 5769 if (mode_number != -1) 5770 break; 5771 } 5772 } 5773 5774 if (mode_number != -1 && mode_number != *mode_list) 5775 grub_printf (" Mode 0x%x is not found or supported.\n", mode_number); 5776 5777 return 0; 5778 } 5779 5780 static struct builtin builtin_vbeprobe = 5781 { 5782 "vbeprobe", 5783 vbeprobe_func, 5784 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5785 "vbeprobe [MODE]", 5786 "Probe VBE information. If the mode number MODE is specified, show only" 5787 " the information about only the mode." 5788 }; 5789 5790 5791 /* The table of builtin commands. Sorted in dictionary order. */ 5792 struct builtin *builtin_table[] = 5793 { 5794 #ifdef SUPPORT_GRAPHICS 5795 &builtin_background, 5796 #endif 5797 &builtin_blocklist, 5798 &builtin_boot, 5799 &builtin_bootfs, 5800 #ifdef SUPPORT_NETBOOT 5801 &builtin_bootp, 5802 #endif /* SUPPORT_NETBOOT */ 5803 &builtin_cat, 5804 &builtin_chainloader, 5805 &builtin_clear, 5806 &builtin_cmp, 5807 &builtin_color, 5808 &builtin_configfile, 5809 &builtin_debug, 5810 &builtin_default, 5811 #ifdef GRUB_UTIL 5812 &builtin_device, 5813 #endif /* GRUB_UTIL */ 5814 #ifdef SUPPORT_NETBOOT 5815 &builtin_dhcp, 5816 #endif /* SUPPORT_NETBOOT */ 5817 &builtin_displayapm, 5818 &builtin_displaymem, 5819 #ifdef GRUB_UTIL 5820 &builtin_dump, 5821 #endif /* GRUB_UTIL */ 5822 &builtin_embed, 5823 &builtin_fallback, 5824 &builtin_find, 5825 &builtin_findroot, 5826 #ifdef SUPPORT_GRAPHICS 5827 &builtin_foreground, 5828 #endif 5829 &builtin_fstest, 5830 &builtin_geometry, 5831 &builtin_halt, 5832 &builtin_help, 5833 &builtin_hiddenmenu, 5834 &builtin_hide, 5835 #ifdef SUPPORT_NETBOOT 5836 &builtin_ifconfig, 5837 #endif /* SUPPORT_NETBOOT */ 5838 &builtin_impsprobe, 5839 &builtin_initrd, 5840 &builtin_install, 5841 &builtin_ioprobe, 5842 &builtin_kernel, 5843 &builtin_kernel_dollar, 5844 &builtin_lock, 5845 &builtin_makeactive, 5846 &builtin_map, 5847 #ifdef USE_MD5_PASSWORDS 5848 &builtin_md5crypt, 5849 #endif /* USE_MD5_PASSWORDS */ 5850 &builtin_min_mem64, 5851 &builtin_module, 5852 &builtin_module_dollar, 5853 &builtin_modulenounzip, 5854 &builtin_pager, 5855 &builtin_partnew, 5856 &builtin_parttype, 5857 &builtin_password, 5858 &builtin_pause, 5859 #if defined(RPC_DEBUG) && defined(SUPPORT_NETBOOT) 5860 &builtin_portmap, 5861 #endif /* RPC_DEBUG && SUPPORT_NETBOOT */ 5862 #ifdef GRUB_UTIL 5863 &builtin_quit, 5864 #endif /* GRUB_UTIL */ 5865 #ifdef SUPPORT_NETBOOT 5866 &builtin_rarp, 5867 #endif /* SUPPORT_NETBOOT */ 5868 &builtin_read, 5869 &builtin_reboot, 5870 &builtin_root, 5871 &builtin_rootnoverify, 5872 &builtin_savedefault, 5873 #ifdef SUPPORT_SERIAL 5874 &builtin_serial, 5875 #endif /* SUPPORT_SERIAL */ 5876 &builtin_setkey, 5877 &builtin_setup, 5878 #ifdef SUPPORT_GRAPHICS 5879 &builtin_splashimage, 5880 #endif /* SUPPORT_GRAPHICS */ 5881 #if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) 5882 &builtin_terminal, 5883 #endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ 5884 #ifdef SUPPORT_SERIAL 5885 &builtin_terminfo, 5886 #endif /* SUPPORT_SERIAL */ 5887 &builtin_testload, 5888 &builtin_testvbe, 5889 #ifdef SUPPORT_NETBOOT 5890 &builtin_tftpserver, 5891 #endif /* SUPPORT_NETBOOT */ 5892 &builtin_timeout, 5893 &builtin_title, 5894 &builtin_unhide, 5895 &builtin_uppermem, 5896 &builtin_vbeprobe, 5897 &builtin_verbose, 5898 0 5899 }; 5900