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