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 * $ZFS-BOOTFS is expanded to 2758 * 2759 * zfs-bootfs=<rootpool-name/zfs-rootfilesystem-object-num>, 2760 * bootpath=<device phys path>, 2761 * diskdevid=<device id> 2762 * 2763 * if both bootpath and diskdevid can be found. 2764 * e.g 2765 * zfs-bootfs=rpool/85, 2766 * bootpath="/pci@0,0/pci1022,7450@a/pci17c2,10@4/sd@0,0:a", 2767 * diskdevid="id1,sd@SSEAGATE_ST336607LC______3JA0LNHE0000741326W6/a" 2768 */ 2769 static int 2770 expand_dollar_bootfs(char *in, char *out) 2771 { 2772 char *token, *tmpout = out; 2773 int outlen, blen; 2774 int postcomma = 0; 2775 2776 /* no op if this is not zfs */ 2777 if (is_zfs_mount == 0) 2778 return (0); 2779 2780 if (current_bootpath[0] == '\0' && current_devid[0] == '\0') { 2781 errnum = ERR_NO_BOOTPATH; 2782 return (1); 2783 } 2784 2785 outlen = strlen(in); 2786 blen = current_bootfs_obj == 0 ? strlen(current_rootpool) : 2787 strlen(current_rootpool) + 11; 2788 2789 out[0] = '\0'; 2790 while (token = strstr(in, "$ZFS-BOOTFS")) { 2791 2792 if ((outlen += blen) >= MAX_CMDLINE) { 2793 errnum = ERR_WONT_FIT; 2794 return (1); 2795 } 2796 2797 token[0] = '\0'; 2798 grub_sprintf(tmpout, "%s", in); 2799 token[0] = '$'; 2800 in = token + 11; /* skip over $ZFS-BOOTFS */ 2801 tmpout = out + strlen(out); 2802 2803 /* Note: %u only fits 32 bit integer; */ 2804 if (current_bootfs_obj > 0) 2805 grub_sprintf(tmpout, "zfs-bootfs=%s/%u", 2806 current_rootpool, current_bootfs_obj); 2807 else 2808 grub_sprintf(tmpout, "zfs-bootfs=%s", 2809 current_rootpool); 2810 tmpout = out + strlen(out); 2811 } 2812 2813 /* 2814 * Check to see if 'zfs-bootfs' was explicitly specified on the command 2815 * line so that we can insert the 'bootpath' property. 2816 */ 2817 if ((tmpout == out) && (token = strstr(in, "zfs-bootfs")) != NULL) { 2818 token[0] = '\0'; 2819 grub_strcpy(tmpout, in); 2820 token[0] = 'z'; 2821 in = token; 2822 2823 tmpout = out + strlen(out); 2824 postcomma = 1; 2825 } 2826 2827 /* 2828 * Set the 'bootpath' property if a ZFS dataset was specified, either 2829 * through '$ZFS-BOOTFS' or an explicit 'zfs-bootfs' setting. 2830 */ 2831 if (tmpout != out) { 2832 if (current_bootpath[0] != '\0') { 2833 if ((outlen += 12 + strlen(current_bootpath)) 2834 >= MAX_CMDLINE) { 2835 errnum = ERR_WONT_FIT; 2836 return (1); 2837 } 2838 grub_sprintf(tmpout, 2839 postcomma ? "bootpath=\"%s\"," : ",bootpath=\"%s\"", 2840 current_bootpath); 2841 tmpout = out + strlen(out); 2842 } 2843 2844 if (current_devid[0] != '\0') { 2845 if ((outlen += 13 + strlen(current_devid)) 2846 >= MAX_CMDLINE) { 2847 errnum = ERR_WONT_FIT; 2848 return (1); 2849 } 2850 grub_sprintf(tmpout, 2851 postcomma ? "diskdevid=\"%s\"," : ",diskdevid=\"%s\"", 2852 current_devid); 2853 } 2854 } 2855 2856 strncat(out, in, MAX_CMDLINE); 2857 return (0); 2858 } 2859 2860 /* kernel */ 2861 static int 2862 kernel_func (char *arg, int flags) 2863 { 2864 int len; 2865 kernel_t suggested_type = KERNEL_TYPE_NONE; 2866 unsigned long load_flags = 0; 2867 2868 #ifndef AUTO_LINUX_MEM_OPT 2869 load_flags |= KERNEL_LOAD_NO_MEM_OPTION; 2870 #endif 2871 2872 /* Deal with GNU-style long options. */ 2873 while (1) 2874 { 2875 /* If the option `--type=TYPE' is specified, convert the string to 2876 a kernel type. */ 2877 if (grub_memcmp (arg, "--type=", 7) == 0) 2878 { 2879 arg += 7; 2880 2881 if (grub_memcmp (arg, "netbsd", 6) == 0) 2882 suggested_type = KERNEL_TYPE_NETBSD; 2883 else if (grub_memcmp (arg, "freebsd", 7) == 0) 2884 suggested_type = KERNEL_TYPE_FREEBSD; 2885 else if (grub_memcmp (arg, "openbsd", 7) == 0) 2886 /* XXX: For now, OpenBSD is identical to NetBSD, from GRUB's 2887 point of view. */ 2888 suggested_type = KERNEL_TYPE_NETBSD; 2889 else if (grub_memcmp (arg, "linux", 5) == 0) 2890 suggested_type = KERNEL_TYPE_LINUX; 2891 else if (grub_memcmp (arg, "biglinux", 8) == 0) 2892 suggested_type = KERNEL_TYPE_BIG_LINUX; 2893 else if (grub_memcmp (arg, "multiboot", 9) == 0) 2894 suggested_type = KERNEL_TYPE_MULTIBOOT; 2895 else 2896 { 2897 errnum = ERR_BAD_ARGUMENT; 2898 return 1; 2899 } 2900 } 2901 /* If the `--no-mem-option' is specified, don't pass a Linux's mem 2902 option automatically. If the kernel is another type, this flag 2903 has no effect. */ 2904 else if (grub_memcmp (arg, "--no-mem-option", 15) == 0) 2905 load_flags |= KERNEL_LOAD_NO_MEM_OPTION; 2906 else 2907 break; 2908 2909 /* Try the next. */ 2910 arg = skip_to (0, arg); 2911 } 2912 2913 len = grub_strlen (arg); 2914 2915 /* Reset MB_CMDLINE. */ 2916 mb_cmdline = (char *) MB_CMDLINE_BUF; 2917 if (len + 1 > MB_CMDLINE_BUFLEN) 2918 { 2919 errnum = ERR_WONT_FIT; 2920 return 1; 2921 } 2922 2923 /* Copy the command-line to MB_CMDLINE. */ 2924 grub_memmove (mb_cmdline, arg, len + 1); 2925 kernel_type = load_image (arg, mb_cmdline, suggested_type, load_flags); 2926 if (kernel_type == KERNEL_TYPE_NONE) 2927 return 1; 2928 2929 mb_cmdline += grub_strlen(mb_cmdline) + 1; 2930 return 0; 2931 } 2932 2933 static struct builtin builtin_kernel = 2934 { 2935 "kernel", 2936 kernel_func, 2937 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2938 "kernel [--no-mem-option] [--type=TYPE] FILE [ARG ...]", 2939 "Attempt to load the primary boot image from FILE. The rest of the" 2940 " line is passed verbatim as the \"kernel command line\". Any modules" 2941 " must be reloaded after using this command. The option --type is used" 2942 " to suggest what type of kernel to be loaded. TYPE must be either of" 2943 " \"netbsd\", \"freebsd\", \"openbsd\", \"linux\", \"biglinux\" and" 2944 " \"multiboot\". The option --no-mem-option tells GRUB not to pass a" 2945 " Linux's mem option automatically." 2946 }; 2947 2948 int 2949 min_mem64_func(char *arg, int flags) 2950 { 2951 if (!safe_parse_maxint(&arg, &min_mem64)) 2952 return (1); 2953 } 2954 2955 static struct builtin builtin_min_mem64 = 2956 { 2957 "min_mem64", 2958 min_mem64_func, 2959 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 2960 "min_mem64 <memory in MB>", 2961 "Sets minimum memory (in MB) required for $ISADIR to expand to amd64, " 2962 "even on 64-bit capable hardware." 2963 }; 2964 2965 int 2966 check_min_mem64() 2967 { 2968 if (min_mem64 == 0) 2969 return (1); 2970 2971 if ((mbi.mem_upper / 10240) * 11 >= min_mem64) 2972 return (1); 2973 2974 return (0); 2975 } 2976 2977 static int detect_target_operating_mode(); 2978 2979 int 2980 amd64_config_cpu(void) 2981 { 2982 struct amd64_cpuid_regs __vcr, *vcr = &__vcr; 2983 uint32_t maxeax; 2984 uint32_t max_maxeax = 0x100; 2985 char vendor[13]; 2986 int isamd64 = 0; 2987 uint32_t stdfeatures = 0, xtdfeatures = 0; 2988 uint64_t efer; 2989 2990 /* 2991 * This check may seem silly, but if the C preprocesor symbol __amd64 2992 * is #defined during compilation, something that may outwardly seem 2993 * like a good idea, uts/common/sys/isa_defs.h will #define _LP64, 2994 * which will cause uts/common/sys/int_types.h to typedef uint64_t as 2995 * an unsigned long - which is only 4 bytes in size when using a 32-bit 2996 * compiler. 2997 * 2998 * If that happens, all the page table translation routines will fail 2999 * horribly, so check the size of uint64_t just to insure some degree 3000 * of sanity in future operations. 3001 */ 3002 /*LINTED [sizeof result is invarient]*/ 3003 if (sizeof (uint64_t) != 8) 3004 prom_panic("grub compiled improperly, unable to boot " 3005 "64-bit AMD64 executables"); 3006 3007 /* 3008 * If the CPU doesn't support the CPUID instruction, it's definitely 3009 * not an AMD64. 3010 */ 3011 if (amd64_cpuid_supported() == 0) 3012 return (0); 3013 3014 amd64_cpuid_insn(0, vcr); 3015 3016 maxeax = vcr->r_eax; 3017 { 3018 /*LINTED [vendor string from cpuid data]*/ 3019 uint32_t *iptr = (uint32_t *)vendor; 3020 3021 *iptr++ = vcr->r_ebx; 3022 *iptr++ = vcr->r_edx; 3023 *iptr++ = vcr->r_ecx; 3024 3025 vendor[12] = '\0'; 3026 } 3027 3028 if (maxeax > max_maxeax) { 3029 grub_printf("cpu: warning, maxeax was 0x%x -> 0x%x\n", 3030 maxeax, max_maxeax); 3031 maxeax = max_maxeax; 3032 } 3033 3034 if (maxeax < 1) 3035 return (0); /* no additional functions, not an AMD64 */ 3036 else { 3037 uint_t family, model, step; 3038 3039 amd64_cpuid_insn(1, vcr); 3040 3041 /* 3042 * All AMD64/IA32e processors technically SHOULD report 3043 * themselves as being in family 0xf, but for some reason 3044 * Simics doesn't, and this may change in the future, so 3045 * don't error out if it's not true. 3046 */ 3047 if ((family = BITX(vcr->r_eax, 11, 8)) == 0xf) 3048 family += BITX(vcr->r_eax, 27, 20); 3049 3050 if ((model = BITX(vcr->r_eax, 7, 4)) == 0xf) 3051 model += BITX(vcr->r_eax, 19, 16) << 4; 3052 step = BITX(vcr->r_eax, 3, 0); 3053 3054 grub_printf("cpu: '%s' family %d model %d step %d\n", 3055 vendor, family, model, step); 3056 stdfeatures = vcr->r_edx; 3057 } 3058 3059 amd64_cpuid_insn(0x80000000, vcr); 3060 3061 if (vcr->r_eax & 0x80000000) { 3062 uint32_t xmaxeax = vcr->r_eax; 3063 const uint32_t max_xmaxeax = 0x80000100; 3064 3065 if (xmaxeax > max_xmaxeax) { 3066 grub_printf("amd64: warning, xmaxeax was " 3067 "0x%x -> 0x%x\n", xmaxeax, max_xmaxeax); 3068 xmaxeax = max_xmaxeax; 3069 } 3070 3071 if (xmaxeax >= 0x80000001) { 3072 amd64_cpuid_insn(0x80000001, vcr); 3073 xtdfeatures = vcr->r_edx; 3074 } 3075 } 3076 3077 if (BITX(xtdfeatures, 29, 29)) /* long mode */ 3078 isamd64++; 3079 else 3080 grub_printf("amd64: CPU does NOT support long mode\n"); 3081 3082 if (!BITX(stdfeatures, 0, 0)) { 3083 grub_printf("amd64: CPU does NOT support FPU\n"); 3084 isamd64--; 3085 } 3086 3087 if (!BITX(stdfeatures, 4, 4)) { 3088 grub_printf("amd64: CPU does NOT support TSC\n"); 3089 isamd64--; 3090 } 3091 3092 if (!BITX(stdfeatures, 5, 5)) { 3093 grub_printf("amd64: CPU does NOT support MSRs\n"); 3094 isamd64--; 3095 } 3096 3097 if (!BITX(stdfeatures, 6, 6)) { 3098 grub_printf("amd64: CPU does NOT support PAE\n"); 3099 isamd64--; 3100 } 3101 3102 if (!BITX(stdfeatures, 8, 8)) { 3103 grub_printf("amd64: CPU does NOT support CX8\n"); 3104 isamd64--; 3105 } 3106 3107 if (!BITX(stdfeatures, 13, 13)) { 3108 grub_printf("amd64: CPU does NOT support PGE\n"); 3109 isamd64--; 3110 } 3111 3112 if (!BITX(stdfeatures, 19, 19)) { 3113 grub_printf("amd64: CPU does NOT support CLFSH\n"); 3114 isamd64--; 3115 } 3116 3117 if (!BITX(stdfeatures, 23, 23)) { 3118 grub_printf("amd64: CPU does NOT support MMX\n"); 3119 isamd64--; 3120 } 3121 3122 if (!BITX(stdfeatures, 24, 24)) { 3123 grub_printf("amd64: CPU does NOT support FXSR\n"); 3124 isamd64--; 3125 } 3126 3127 if (!BITX(stdfeatures, 25, 25)) { 3128 grub_printf("amd64: CPU does NOT support SSE\n"); 3129 isamd64--; 3130 } 3131 3132 if (!BITX(stdfeatures, 26, 26)) { 3133 grub_printf("amd64: CPU does NOT support SSE2\n"); 3134 isamd64--; 3135 } 3136 3137 if (isamd64 < 1) { 3138 grub_printf("amd64: CPU does not support amd64 executables.\n"); 3139 return (0); 3140 } 3141 3142 amd64_rdmsr(MSR_AMD_EFER, &efer); 3143 if (efer & AMD_EFER_SCE) 3144 grub_printf("amd64: EFER_SCE (syscall/sysret) already " 3145 "enabled\n"); 3146 if (efer & AMD_EFER_NXE) 3147 grub_printf("amd64: EFER_NXE (no-exec prot) already enabled\n"); 3148 if (efer & AMD_EFER_LME) 3149 grub_printf("amd64: EFER_LME (long mode) already enabled\n"); 3150 3151 return (detect_target_operating_mode()); 3152 } 3153 3154 static int 3155 detect_target_operating_mode() 3156 { 3157 int ret, ah; 3158 3159 ah = get_target_operating_mode(); 3160 3161 ah = ah >> 8; 3162 3163 /* XXX still need to pass back the return from the call */ 3164 ret = 0; 3165 3166 if (ah == 0x86 && (ret & CB) != 0) { 3167 grub_printf("[BIOS 'Detect Target Operating Mode' " 3168 "callback unsupported on this platform]\n"); 3169 return (1); /* unsupported, ignore */ 3170 } 3171 3172 if (ah == 0x0 && (ret & CB) == 0) { 3173 grub_printf("[BIOS accepted mixed-mode target setting!]\n"); 3174 return (1); /* told the bios what we're up to */ 3175 } 3176 3177 if (ah == 0 && ret & CB) { 3178 grub_printf("fatal: BIOS reports this machine CANNOT run in " 3179 "mixed 32/64-bit mode!\n"); 3180 return (0); 3181 } 3182 3183 grub_printf("warning: BIOS Detect Target Operating Mode callback " 3184 "confused.\n %%ax >> 8 = 0x%x, carry = %d\n", ah, 3185 ret & CB ? 1 : 0); 3186 3187 return (1); 3188 } 3189 3190 3191 int 3192 isamd64() 3193 { 3194 static int ret = -1; 3195 3196 if (ret == -1) 3197 ret = amd64_config_cpu(); 3198 3199 return (ret); 3200 } 3201 3202 static void 3203 expand_arch (char *arg, char *newarg) 3204 { 3205 char *index; 3206 3207 newarg[0] = '\0'; 3208 3209 while ((index = strstr(arg, "$ISADIR")) != NULL) { 3210 3211 index[0] = '\0'; 3212 strncat(newarg, arg, MAX_CMDLINE); 3213 index[0] = '$'; 3214 3215 if (isamd64() && check_min_mem64()) 3216 strncat(newarg, "amd64", MAX_CMDLINE); 3217 3218 arg = index + 7; 3219 } 3220 3221 strncat(newarg, arg, MAX_CMDLINE); 3222 return; 3223 } 3224 3225 /* kernel$ */ 3226 static int 3227 kernel_dollar_func (char *arg, int flags) 3228 { 3229 char newarg[MAX_CMDLINE]; /* everything boils down to MAX_CMDLINE */ 3230 3231 grub_printf("loading '%s' ...\n", arg); 3232 expand_arch(arg, newarg); 3233 3234 if (kernel_func(newarg, flags)) 3235 return (1); 3236 3237 mb_cmdline = (char *)MB_CMDLINE_BUF; 3238 if (expand_dollar_bootfs(newarg, mb_cmdline)) { 3239 grub_printf("cannot expand $ZFS-BOOTFS for dataset %s\n", 3240 current_bootfs); 3241 return (1); 3242 } 3243 3244 grub_printf("'%s' is loaded\n", mb_cmdline); 3245 mb_cmdline += grub_strlen(mb_cmdline) + 1; 3246 3247 return (0); 3248 } 3249 3250 static struct builtin builtin_kernel_dollar = 3251 { 3252 "kernel$", 3253 kernel_dollar_func, 3254 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3255 "kernel$ [--no-mem-option] [--type=TYPE] FILE [ARG ...]", 3256 " Just like kernel, but with $ISADIR expansion." 3257 }; 3258 3259 3260 /* lock */ 3261 static int 3262 lock_func (char *arg, int flags) 3263 { 3264 if (! auth && password) 3265 { 3266 errnum = ERR_PRIVILEGED; 3267 return 1; 3268 } 3269 3270 return 0; 3271 } 3272 3273 static struct builtin builtin_lock = 3274 { 3275 "lock", 3276 lock_func, 3277 BUILTIN_CMDLINE, 3278 "lock", 3279 "Break a command execution unless the user is authenticated." 3280 }; 3281 3282 3283 /* makeactive */ 3284 static int 3285 makeactive_func (char *arg, int flags) 3286 { 3287 if (! make_saved_active ()) 3288 return 1; 3289 3290 return 0; 3291 } 3292 3293 static struct builtin builtin_makeactive = 3294 { 3295 "makeactive", 3296 makeactive_func, 3297 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3298 "makeactive", 3299 "Set the active partition on the root disk to GRUB's root device." 3300 " This command is limited to _primary_ PC partitions on a hard disk." 3301 }; 3302 3303 3304 /* map */ 3305 /* Map FROM_DRIVE to TO_DRIVE. */ 3306 static int 3307 map_func (char *arg, int flags) 3308 { 3309 char *to_drive; 3310 char *from_drive; 3311 unsigned long to, from; 3312 int i; 3313 3314 to_drive = arg; 3315 from_drive = skip_to (0, arg); 3316 3317 /* Get the drive number for TO_DRIVE. */ 3318 set_device (to_drive); 3319 if (errnum) 3320 return 1; 3321 to = current_drive; 3322 3323 /* Get the drive number for FROM_DRIVE. */ 3324 set_device (from_drive); 3325 if (errnum) 3326 return 1; 3327 from = current_drive; 3328 3329 /* Search for an empty slot in BIOS_DRIVE_MAP. */ 3330 for (i = 0; i < DRIVE_MAP_SIZE; i++) 3331 { 3332 /* Perhaps the user wants to override the map. */ 3333 if ((bios_drive_map[i] & 0xff) == from) 3334 break; 3335 3336 if (! bios_drive_map[i]) 3337 break; 3338 } 3339 3340 if (i == DRIVE_MAP_SIZE) 3341 { 3342 errnum = ERR_WONT_FIT; 3343 return 1; 3344 } 3345 3346 if (to == from) 3347 /* If TO is equal to FROM, delete the entry. */ 3348 grub_memmove ((char *) &bios_drive_map[i], (char *) &bios_drive_map[i + 1], 3349 sizeof (unsigned short) * (DRIVE_MAP_SIZE - i)); 3350 else 3351 bios_drive_map[i] = from | (to << 8); 3352 3353 return 0; 3354 } 3355 3356 static struct builtin builtin_map = 3357 { 3358 "map", 3359 map_func, 3360 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3361 "map TO_DRIVE FROM_DRIVE", 3362 "Map the drive FROM_DRIVE to the drive TO_DRIVE. This is necessary" 3363 " when you chain-load some operating systems, such as DOS, if such an" 3364 " OS resides at a non-first drive." 3365 }; 3366 3367 3368 #ifdef USE_MD5_PASSWORDS 3369 /* md5crypt */ 3370 static int 3371 md5crypt_func (char *arg, int flags) 3372 { 3373 char crypted[36]; 3374 char key[32]; 3375 unsigned int seed; 3376 int i; 3377 const char *const seedchars = 3378 "./0123456789ABCDEFGHIJKLMNOPQRST" 3379 "UVWXYZabcdefghijklmnopqrstuvwxyz"; 3380 3381 /* First create a salt. */ 3382 3383 /* The magical prefix. */ 3384 grub_memset (crypted, 0, sizeof (crypted)); 3385 grub_memmove (crypted, "$1$", 3); 3386 3387 /* Create the length of a salt. */ 3388 seed = currticks (); 3389 3390 /* Generate a salt. */ 3391 for (i = 0; i < 8 && seed; i++) 3392 { 3393 /* FIXME: This should be more random. */ 3394 crypted[3 + i] = seedchars[seed & 0x3f]; 3395 seed >>= 6; 3396 } 3397 3398 /* A salt must be terminated with `$', if it is less than 8 chars. */ 3399 crypted[3 + i] = '$'; 3400 3401 #ifdef DEBUG_MD5CRYPT 3402 grub_printf ("salt = %s\n", crypted); 3403 #endif 3404 3405 /* Get a password. */ 3406 grub_memset (key, 0, sizeof (key)); 3407 get_cmdline ("Password: ", key, sizeof (key) - 1, '*', 0); 3408 3409 /* Crypt the key. */ 3410 make_md5_password (key, crypted); 3411 3412 grub_printf ("Encrypted: %s\n", crypted); 3413 return 0; 3414 } 3415 3416 static struct builtin builtin_md5crypt = 3417 { 3418 "md5crypt", 3419 md5crypt_func, 3420 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3421 "md5crypt", 3422 "Generate a password in MD5 format." 3423 }; 3424 #endif /* USE_MD5_PASSWORDS */ 3425 3426 3427 /* module */ 3428 static int 3429 module_func (char *arg, int flags) 3430 { 3431 int len = grub_strlen (arg); 3432 3433 switch (kernel_type) 3434 { 3435 case KERNEL_TYPE_MULTIBOOT: 3436 if (mb_cmdline + len + 1 > (char *) MB_CMDLINE_BUF + MB_CMDLINE_BUFLEN) 3437 { 3438 errnum = ERR_WONT_FIT; 3439 return 1; 3440 } 3441 grub_memmove (mb_cmdline, arg, len + 1); 3442 if (! load_module (arg, mb_cmdline)) 3443 return 1; 3444 3445 mb_cmdline += grub_strlen(mb_cmdline) + 1; 3446 break; 3447 3448 case KERNEL_TYPE_LINUX: 3449 case KERNEL_TYPE_BIG_LINUX: 3450 if (! load_initrd (arg)) 3451 return 1; 3452 break; 3453 3454 default: 3455 errnum = ERR_NEED_MB_KERNEL; 3456 return 1; 3457 } 3458 3459 return 0; 3460 } 3461 3462 static struct builtin builtin_module = 3463 { 3464 "module", 3465 module_func, 3466 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3467 "module FILE [ARG ...]", 3468 "Load a boot module FILE for a Multiboot format boot image (no" 3469 " interpretation of the file contents is made, so users of this" 3470 " command must know what the kernel in question expects). The" 3471 " rest of the line is passed as the \"module command line\", like" 3472 " the `kernel' command." 3473 }; 3474 3475 /* module$ */ 3476 static int 3477 module_dollar_func (char *arg, int flags) 3478 { 3479 char newarg[MAX_CMDLINE]; /* everything boils down to MAX_CMDLINE */ 3480 char *cmdline_sav; 3481 3482 grub_printf("loading '%s' ...\n", arg); 3483 expand_arch(arg, newarg); 3484 3485 cmdline_sav = (char *)mb_cmdline; 3486 if (module_func(newarg, flags)) 3487 return (1); 3488 3489 if (expand_dollar_bootfs(newarg, cmdline_sav)) { 3490 grub_printf("cannot expand $ZFS-BOOTFS for dataset %s\n", 3491 current_bootfs); 3492 return (1); 3493 } 3494 3495 grub_printf("'%s' is loaded\n", (char *)cmdline_sav); 3496 mb_cmdline += grub_strlen(cmdline_sav) + 1; 3497 3498 return (0); 3499 } 3500 3501 static struct builtin builtin_module_dollar = 3502 { 3503 "module$", 3504 module_dollar_func, 3505 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3506 "module FILE [ARG ...]", 3507 " Just like module, but with $ISADIR expansion." 3508 }; 3509 3510 3511 /* modulenounzip */ 3512 static int 3513 modulenounzip_func (char *arg, int flags) 3514 { 3515 int ret; 3516 3517 #ifndef NO_DECOMPRESSION 3518 no_decompression = 1; 3519 #endif 3520 3521 ret = module_func (arg, flags); 3522 3523 #ifndef NO_DECOMPRESSION 3524 no_decompression = 0; 3525 #endif 3526 3527 return ret; 3528 } 3529 3530 static struct builtin builtin_modulenounzip = 3531 { 3532 "modulenounzip", 3533 modulenounzip_func, 3534 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3535 "modulenounzip FILE [ARG ...]", 3536 "The same as `module', except that automatic decompression is" 3537 " disabled." 3538 }; 3539 3540 3541 /* pager [on|off] */ 3542 static int 3543 pager_func (char *arg, int flags) 3544 { 3545 /* If ARG is empty, toggle the flag. */ 3546 if (! *arg) 3547 use_pager = ! use_pager; 3548 else if (grub_memcmp (arg, "on", 2) == 0) 3549 use_pager = 1; 3550 else if (grub_memcmp (arg, "off", 3) == 0) 3551 use_pager = 0; 3552 else 3553 { 3554 errnum = ERR_BAD_ARGUMENT; 3555 return 1; 3556 } 3557 3558 grub_printf (" Internal pager is now %s\n", use_pager ? "on" : "off"); 3559 return 0; 3560 } 3561 3562 static struct builtin builtin_pager = 3563 { 3564 "pager", 3565 pager_func, 3566 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3567 "pager [FLAG]", 3568 "Toggle pager mode with no argument. If FLAG is given and its value" 3569 " is `on', turn on the mode. If FLAG is `off', turn off the mode." 3570 }; 3571 3572 3573 /* partnew PART TYPE START LEN */ 3574 static int 3575 partnew_func (char *arg, int flags) 3576 { 3577 int new_type, new_start, new_len; 3578 int start_cl, start_ch, start_dh; 3579 int end_cl, end_ch, end_dh; 3580 int entry; 3581 char mbr[512]; 3582 3583 /* Convert a LBA address to a CHS address in the INT 13 format. */ 3584 auto void lba_to_chs (int lba, int *cl, int *ch, int *dh); 3585 void lba_to_chs (int lba, int *cl, int *ch, int *dh) 3586 { 3587 int cylinder, head, sector; 3588 3589 sector = lba % buf_geom.sectors + 1; 3590 head = (lba / buf_geom.sectors) % buf_geom.heads; 3591 cylinder = lba / (buf_geom.sectors * buf_geom.heads); 3592 3593 if (cylinder >= buf_geom.cylinders) 3594 cylinder = buf_geom.cylinders - 1; 3595 3596 *cl = sector | ((cylinder & 0x300) >> 2); 3597 *ch = cylinder & 0xFF; 3598 *dh = head; 3599 } 3600 3601 /* Get the drive and the partition. */ 3602 if (! set_device (arg)) 3603 return 1; 3604 3605 /* The drive must be a hard disk. */ 3606 if (! (current_drive & 0x80)) 3607 { 3608 errnum = ERR_BAD_ARGUMENT; 3609 return 1; 3610 } 3611 3612 /* The partition must a primary partition. */ 3613 if ((current_partition >> 16) > 3 3614 || (current_partition & 0xFFFF) != 0xFFFF) 3615 { 3616 errnum = ERR_BAD_ARGUMENT; 3617 return 1; 3618 } 3619 3620 entry = current_partition >> 16; 3621 3622 /* Get the new partition type. */ 3623 arg = skip_to (0, arg); 3624 if (! safe_parse_maxint (&arg, &new_type)) 3625 return 1; 3626 3627 /* The partition type is unsigned char. */ 3628 if (new_type > 0xFF) 3629 { 3630 errnum = ERR_BAD_ARGUMENT; 3631 return 1; 3632 } 3633 3634 /* Get the new partition start. */ 3635 arg = skip_to (0, arg); 3636 if (! safe_parse_maxint (&arg, &new_start)) 3637 return 1; 3638 3639 /* Get the new partition length. */ 3640 arg = skip_to (0, arg); 3641 if (! safe_parse_maxint (&arg, &new_len)) 3642 return 1; 3643 3644 /* Read the MBR. */ 3645 if (! rawread (current_drive, 0, 0, SECTOR_SIZE, mbr)) 3646 return 1; 3647 3648 /* Check if the new partition will fit in the disk. */ 3649 if (new_start + new_len > buf_geom.total_sectors) 3650 { 3651 errnum = ERR_GEOM; 3652 return 1; 3653 } 3654 3655 /* Store the partition information in the MBR. */ 3656 lba_to_chs (new_start, &start_cl, &start_ch, &start_dh); 3657 lba_to_chs (new_start + new_len - 1, &end_cl, &end_ch, &end_dh); 3658 3659 PC_SLICE_FLAG (mbr, entry) = 0; 3660 PC_SLICE_HEAD (mbr, entry) = start_dh; 3661 PC_SLICE_SEC (mbr, entry) = start_cl; 3662 PC_SLICE_CYL (mbr, entry) = start_ch; 3663 PC_SLICE_TYPE (mbr, entry) = new_type; 3664 PC_SLICE_EHEAD (mbr, entry) = end_dh; 3665 PC_SLICE_ESEC (mbr, entry) = end_cl; 3666 PC_SLICE_ECYL (mbr, entry) = end_ch; 3667 PC_SLICE_START (mbr, entry) = new_start; 3668 PC_SLICE_LENGTH (mbr, entry) = new_len; 3669 3670 /* Make sure that the MBR has a valid signature. */ 3671 PC_MBR_SIG (mbr) = PC_MBR_SIGNATURE; 3672 3673 /* Write back the MBR to the disk. */ 3674 buf_track = BUF_CACHE_INVALID; 3675 if (! rawwrite (current_drive, 0, mbr)) 3676 return 1; 3677 3678 return 0; 3679 } 3680 3681 static struct builtin builtin_partnew = 3682 { 3683 "partnew", 3684 partnew_func, 3685 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3686 "partnew PART TYPE START LEN", 3687 "Create a primary partition at the starting address START with the" 3688 " length LEN, with the type TYPE. START and LEN are in sector units." 3689 }; 3690 3691 3692 /* parttype PART TYPE */ 3693 static int 3694 parttype_func (char *arg, int flags) 3695 { 3696 int new_type; 3697 unsigned long part = 0xFFFFFF; 3698 unsigned long start, len, offset, ext_offset; 3699 int entry, type; 3700 char mbr[512]; 3701 3702 /* Get the drive and the partition. */ 3703 if (! set_device (arg)) 3704 return 1; 3705 3706 /* The drive must be a hard disk. */ 3707 if (! (current_drive & 0x80)) 3708 { 3709 errnum = ERR_BAD_ARGUMENT; 3710 return 1; 3711 } 3712 3713 /* The partition must be a PC slice. */ 3714 if ((current_partition >> 16) == 0xFF 3715 || (current_partition & 0xFFFF) != 0xFFFF) 3716 { 3717 errnum = ERR_BAD_ARGUMENT; 3718 return 1; 3719 } 3720 3721 /* Get the new partition type. */ 3722 arg = skip_to (0, arg); 3723 if (! safe_parse_maxint (&arg, &new_type)) 3724 return 1; 3725 3726 /* The partition type is unsigned char. */ 3727 if (new_type > 0xFF) 3728 { 3729 errnum = ERR_BAD_ARGUMENT; 3730 return 1; 3731 } 3732 3733 /* Look for the partition. */ 3734 while (next_partition (current_drive, 0xFFFFFF, &part, &type, 3735 &start, &len, &offset, &entry, 3736 &ext_offset, mbr)) 3737 { 3738 if (part == current_partition) 3739 { 3740 /* Found. */ 3741 3742 /* Set the type to NEW_TYPE. */ 3743 PC_SLICE_TYPE (mbr, entry) = new_type; 3744 3745 /* Write back the MBR to the disk. */ 3746 buf_track = BUF_CACHE_INVALID; 3747 if (! rawwrite (current_drive, offset, mbr)) 3748 return 1; 3749 3750 /* Succeed. */ 3751 return 0; 3752 } 3753 } 3754 3755 /* The partition was not found. ERRNUM was set by next_partition. */ 3756 return 1; 3757 } 3758 3759 static struct builtin builtin_parttype = 3760 { 3761 "parttype", 3762 parttype_func, 3763 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3764 "parttype PART TYPE", 3765 "Change the type of the partition PART to TYPE." 3766 }; 3767 3768 3769 /* password */ 3770 static int 3771 password_func (char *arg, int flags) 3772 { 3773 int len; 3774 password_t type = PASSWORD_PLAIN; 3775 3776 #ifdef USE_MD5_PASSWORDS 3777 if (grub_memcmp (arg, "--md5", 5) == 0) 3778 { 3779 type = PASSWORD_MD5; 3780 arg = skip_to (0, arg); 3781 } 3782 #endif 3783 if (grub_memcmp (arg, "--", 2) == 0) 3784 { 3785 type = PASSWORD_UNSUPPORTED; 3786 arg = skip_to (0, arg); 3787 } 3788 3789 if ((flags & (BUILTIN_CMDLINE | BUILTIN_SCRIPT)) != 0) 3790 { 3791 /* Do password check! */ 3792 char entered[32]; 3793 3794 /* Wipe out any previously entered password */ 3795 entered[0] = 0; 3796 get_cmdline ("Password: ", entered, 31, '*', 0); 3797 3798 nul_terminate (arg); 3799 if (check_password (entered, arg, type) != 0) 3800 { 3801 errnum = ERR_PRIVILEGED; 3802 return 1; 3803 } 3804 } 3805 else 3806 { 3807 len = grub_strlen (arg); 3808 3809 /* PASSWORD NUL NUL ... */ 3810 if (len + 2 > PASSWORD_BUFLEN) 3811 { 3812 errnum = ERR_WONT_FIT; 3813 return 1; 3814 } 3815 3816 /* Copy the password and clear the rest of the buffer. */ 3817 password = (char *) PASSWORD_BUF; 3818 grub_memmove (password, arg, len); 3819 grub_memset (password + len, 0, PASSWORD_BUFLEN - len); 3820 password_type = type; 3821 } 3822 return 0; 3823 } 3824 3825 static struct builtin builtin_password = 3826 { 3827 "password", 3828 password_func, 3829 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_NO_ECHO, 3830 "password [--md5] PASSWD [FILE]", 3831 "If used in the first section of a menu file, disable all" 3832 " interactive editing control (menu entry editor and" 3833 " command line). If the password PASSWD is entered, it loads the" 3834 " FILE as a new config file and restarts the GRUB Stage 2. If you" 3835 " omit the argument FILE, then GRUB just unlocks privileged" 3836 " instructions. You can also use it in the script section, in" 3837 " which case it will ask for the password, before continueing." 3838 " The option --md5 tells GRUB that PASSWD is encrypted with" 3839 " md5crypt." 3840 }; 3841 3842 3843 /* pause */ 3844 static int 3845 pause_func (char *arg, int flags) 3846 { 3847 printf("%s\n", arg); 3848 3849 /* If ESC is returned, then abort this entry. */ 3850 if (ASCII_CHAR (getkey ()) == 27) 3851 return 1; 3852 3853 return 0; 3854 } 3855 3856 static struct builtin builtin_pause = 3857 { 3858 "pause", 3859 pause_func, 3860 BUILTIN_CMDLINE | BUILTIN_NO_ECHO, 3861 "pause [MESSAGE ...]", 3862 "Print MESSAGE, then wait until a key is pressed." 3863 }; 3864 3865 3866 #ifdef GRUB_UTIL 3867 /* quit */ 3868 static int 3869 quit_func (char *arg, int flags) 3870 { 3871 stop (); 3872 3873 /* Never reach here. */ 3874 return 0; 3875 } 3876 3877 static struct builtin builtin_quit = 3878 { 3879 "quit", 3880 quit_func, 3881 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3882 "quit", 3883 "Exit from the GRUB shell." 3884 }; 3885 #endif /* GRUB_UTIL */ 3886 3887 3888 #ifdef SUPPORT_NETBOOT 3889 /* rarp */ 3890 static int 3891 rarp_func (char *arg, int flags) 3892 { 3893 if (! rarp ()) 3894 { 3895 if (errnum == ERR_NONE) 3896 errnum = ERR_DEV_VALUES; 3897 3898 return 1; 3899 } 3900 3901 /* Notify the configuration. */ 3902 print_network_configuration (); 3903 return 0; 3904 } 3905 3906 static struct builtin builtin_rarp = 3907 { 3908 "rarp", 3909 rarp_func, 3910 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3911 "rarp", 3912 "Initialize a network device via RARP." 3913 }; 3914 #endif /* SUPPORT_NETBOOT */ 3915 3916 3917 static int 3918 read_func (char *arg, int flags) 3919 { 3920 int addr; 3921 3922 if (! safe_parse_maxint (&arg, &addr)) 3923 return 1; 3924 3925 grub_printf ("Address 0x%x: Value 0x%x\n", 3926 addr, *((unsigned *) RAW_ADDR (addr))); 3927 return 0; 3928 } 3929 3930 static struct builtin builtin_read = 3931 { 3932 "read", 3933 read_func, 3934 BUILTIN_CMDLINE, 3935 "read ADDR", 3936 "Read a 32-bit value from memory at address ADDR and" 3937 " display it in hex format." 3938 }; 3939 3940 3941 /* reboot */ 3942 static int 3943 reboot_func (char *arg, int flags) 3944 { 3945 grub_reboot (); 3946 3947 /* Never reach here. */ 3948 return 1; 3949 } 3950 3951 static struct builtin builtin_reboot = 3952 { 3953 "reboot", 3954 reboot_func, 3955 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3956 "reboot", 3957 "Reboot your system." 3958 }; 3959 3960 3961 /* Print the root device information. */ 3962 static void 3963 print_root_device (void) 3964 { 3965 if (saved_drive == NETWORK_DRIVE) 3966 { 3967 /* Network drive. */ 3968 grub_printf (" (nd):"); 3969 } 3970 else if (saved_drive & 0x80) 3971 { 3972 /* Hard disk drive. */ 3973 grub_printf (" (hd%d", saved_drive - 0x80); 3974 3975 if ((saved_partition & 0xFF0000) != 0xFF0000) 3976 grub_printf (",%d", saved_partition >> 16); 3977 3978 if ((saved_partition & 0x00FF00) != 0x00FF00) 3979 grub_printf (",%c", ((saved_partition >> 8) & 0xFF) + 'a'); 3980 3981 grub_printf ("):"); 3982 } 3983 else 3984 { 3985 /* Floppy disk drive. */ 3986 grub_printf (" (fd%d):", saved_drive); 3987 } 3988 3989 /* Print the filesystem information. */ 3990 current_partition = saved_partition; 3991 current_drive = saved_drive; 3992 print_fsys_type (); 3993 } 3994 3995 static int 3996 real_root_func (char *arg, int attempt_mount) 3997 { 3998 int hdbias = 0; 3999 char *biasptr; 4000 char *next; 4001 4002 /* If ARG is empty, just print the current root device. */ 4003 if (! *arg) 4004 { 4005 print_root_device (); 4006 return 0; 4007 } 4008 4009 /* Call set_device to get the drive and the partition in ARG. */ 4010 next = set_device (arg); 4011 if (! next) 4012 return 1; 4013 4014 /* Ignore ERR_FSYS_MOUNT. */ 4015 if (attempt_mount) 4016 { 4017 if (! open_device () && errnum != ERR_FSYS_MOUNT) 4018 return 1; 4019 } 4020 else 4021 { 4022 /* This is necessary, because the location of a partition table 4023 must be set appropriately. */ 4024 if (open_partition ()) 4025 { 4026 set_bootdev (0); 4027 if (errnum) 4028 return 1; 4029 } 4030 } 4031 4032 /* Clear ERRNUM. */ 4033 errnum = 0; 4034 saved_partition = current_partition; 4035 saved_drive = current_drive; 4036 4037 if (attempt_mount) 4038 { 4039 /* BSD and chainloading evil hacks !! */ 4040 biasptr = skip_to (0, next); 4041 safe_parse_maxint (&biasptr, &hdbias); 4042 errnum = 0; 4043 bootdev = set_bootdev (hdbias); 4044 if (errnum) 4045 return 1; 4046 4047 /* Print the type of the filesystem. */ 4048 print_fsys_type (); 4049 } 4050 4051 return 0; 4052 } 4053 4054 static int 4055 root_func (char *arg, int flags) 4056 { 4057 is_zfs_mount = 0; 4058 return real_root_func (arg, 1); 4059 } 4060 4061 static struct builtin builtin_root = 4062 { 4063 "root", 4064 root_func, 4065 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4066 "root [DEVICE [HDBIAS]]", 4067 "Set the current \"root device\" to the device DEVICE, then" 4068 " attempt to mount it to get the partition size (for passing the" 4069 " partition descriptor in `ES:ESI', used by some chain-loaded" 4070 " bootloaders), the BSD drive-type (for booting BSD kernels using" 4071 " their native boot format), and correctly determine " 4072 " the PC partition where a BSD sub-partition is located. The" 4073 " optional HDBIAS parameter is a number to tell a BSD kernel" 4074 " how many BIOS drive numbers are on controllers before the current" 4075 " one. For example, if there is an IDE disk and a SCSI disk, and your" 4076 " FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS." 4077 }; 4078 4079 4080 /* findroot */ 4081 static int 4082 findroot_func (char *arg, int flags) 4083 { 4084 int ret; 4085 char root[32]; 4086 4087 if (grub_strlen(arg) >= BOOTSIGN_ARGLEN) { 4088 errnum = ERR_BAD_ARGUMENT; 4089 return 1; 4090 } 4091 4092 if (arg[0] == '\0') { 4093 errnum = ERR_BAD_ARGUMENT; 4094 return 1; 4095 } 4096 4097 if (grub_strchr(arg, '/')) { 4098 errnum = ERR_BAD_ARGUMENT; 4099 return 1; 4100 } 4101 4102 find_best_root = 1; 4103 best_drive = 0; 4104 best_part = 0; 4105 ret = find_common(arg, root, 1, flags); 4106 if (ret != 0) 4107 return (ret); 4108 find_best_root = 0; 4109 4110 return real_root_func (root, 1); 4111 } 4112 4113 static struct builtin builtin_findroot = 4114 { 4115 "findroot", 4116 findroot_func, 4117 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4118 "findroot <SIGNATURE | (SIGNATURE,partition[,slice])>", 4119 "Searches across all partitions for the file name SIGNATURE." 4120 " GRUB looks only in the directory /boot/grub/bootsign for the" 4121 " filename and it stops as soon as it finds the first instance of" 4122 " the file - so to be useful the name of the signature file must be" 4123 " unique across all partitions. Once the signature file is found," 4124 " GRUB invokes the \"root\" command on that partition." 4125 " An optional partition and slice may be specified to optimize the search." 4126 }; 4127 4128 4129 /* 4130 * COMMAND to override the default root filesystem for ZFS 4131 * bootfs pool/fs 4132 */ 4133 static int 4134 bootfs_func (char *arg, int flags) 4135 { 4136 int hdbias = 0; 4137 char *biasptr; 4138 char *next; 4139 4140 if (! *arg) { 4141 if (current_bootfs[0] != '\0') 4142 grub_printf ("The zfs boot filesystem is set to '%s'.\n", 4143 current_bootfs); 4144 else if (current_rootpool[0] != 0 && current_bootfs_obj != 0) 4145 grub_printf("The zfs boot filesystem is <default: %s/%u>.", 4146 current_rootpool, current_bootfs_obj); 4147 else 4148 grub_printf ("The zfs boot filesystem will be derived from " 4149 "the default bootfs pool property.\n"); 4150 4151 return (1); 4152 } 4153 4154 /* Verify the zfs filesystem name */ 4155 if (arg[0] == '/' || arg[0] == '\0') { 4156 errnum = ERR_BAD_ARGUMENT; 4157 return 0; 4158 } 4159 if (current_rootpool[0] != 0 && grub_strncmp(arg, 4160 current_rootpool, strlen(current_rootpool))) { 4161 errnum = ERR_BAD_ARGUMENT; 4162 return 0; 4163 } 4164 4165 if (set_bootfs(arg) == 0) { 4166 errnum = ERR_BAD_ARGUMENT; 4167 return 0; 4168 } 4169 4170 return (1); 4171 } 4172 4173 static struct builtin builtin_bootfs = 4174 { 4175 "bootfs", 4176 bootfs_func, 4177 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4178 "bootfs [ZFSBOOTFS]", 4179 "Set the current zfs boot filesystem to ZFSBOOTFS (rootpool/rootfs)." 4180 }; 4181 4182 4183 /* rootnoverify */ 4184 static int 4185 rootnoverify_func (char *arg, int flags) 4186 { 4187 return real_root_func (arg, 0); 4188 } 4189 4190 static struct builtin builtin_rootnoverify = 4191 { 4192 "rootnoverify", 4193 rootnoverify_func, 4194 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4195 "rootnoverify [DEVICE [HDBIAS]]", 4196 "Similar to `root', but don't attempt to mount the partition. This" 4197 " is useful for when an OS is outside of the area of the disk that" 4198 " GRUB can read, but setting the correct root device is still" 4199 " desired. Note that the items mentioned in `root' which" 4200 " derived from attempting the mount will NOT work correctly." 4201 }; 4202 4203 4204 /* savedefault */ 4205 static int 4206 savedefault_func (char *arg, int flags) 4207 { 4208 #if !defined(SUPPORT_DISKLESS) && !defined(GRUB_UTIL) 4209 unsigned long tmp_drive = saved_drive; 4210 unsigned long tmp_partition = saved_partition; 4211 char *default_file = (char *) DEFAULT_FILE_BUF; 4212 char buf[10]; 4213 char sect[SECTOR_SIZE]; 4214 int entryno; 4215 int sector_count = 0; 4216 unsigned int saved_sectors[2]; 4217 int saved_offsets[2]; 4218 int saved_lengths[2]; 4219 4220 /* not supported for zfs root */ 4221 if (is_zfs_mount == 1) { 4222 return (0); /* no-op */ 4223 } 4224 4225 /* Save sector information about at most two sectors. */ 4226 auto void disk_read_savesect_func (unsigned int sector, int offset, 4227 int length); 4228 void disk_read_savesect_func (unsigned int sector, int offset, int length) 4229 { 4230 if (sector_count < 2) 4231 { 4232 saved_sectors[sector_count] = sector; 4233 saved_offsets[sector_count] = offset; 4234 saved_lengths[sector_count] = length; 4235 } 4236 sector_count++; 4237 } 4238 4239 /* This command is only useful when you boot an entry from the menu 4240 interface. */ 4241 if (! (flags & BUILTIN_SCRIPT)) 4242 { 4243 errnum = ERR_UNRECOGNIZED; 4244 return 1; 4245 } 4246 4247 /* Determine a saved entry number. */ 4248 if (*arg) 4249 { 4250 if (grub_memcmp (arg, "fallback", sizeof ("fallback") - 1) == 0) 4251 { 4252 int i; 4253 int index = 0; 4254 4255 for (i = 0; i < MAX_FALLBACK_ENTRIES; i++) 4256 { 4257 if (fallback_entries[i] < 0) 4258 break; 4259 if (fallback_entries[i] == current_entryno) 4260 { 4261 index = i + 1; 4262 break; 4263 } 4264 } 4265 4266 if (index >= MAX_FALLBACK_ENTRIES || fallback_entries[index] < 0) 4267 { 4268 /* This is the last. */ 4269 errnum = ERR_BAD_ARGUMENT; 4270 return 1; 4271 } 4272 4273 entryno = fallback_entries[index]; 4274 } 4275 else if (! safe_parse_maxint (&arg, &entryno)) 4276 return 1; 4277 } 4278 else 4279 entryno = current_entryno; 4280 4281 /* Open the default file. */ 4282 saved_drive = boot_drive; 4283 saved_partition = install_partition; 4284 if (grub_open (default_file)) 4285 { 4286 int len; 4287 4288 disk_read_hook = disk_read_savesect_func; 4289 len = grub_read (buf, sizeof (buf)); 4290 disk_read_hook = 0; 4291 grub_close (); 4292 4293 if (len != sizeof (buf)) 4294 { 4295 /* This is too small. Do not modify the file manually, please! */ 4296 errnum = ERR_READ; 4297 goto fail; 4298 } 4299 4300 if (sector_count > 2) 4301 { 4302 /* Is this possible?! Too fragmented! */ 4303 errnum = ERR_FSYS_CORRUPT; 4304 goto fail; 4305 } 4306 4307 /* Set up a string to be written. */ 4308 grub_memset (buf, '\n', sizeof (buf)); 4309 grub_sprintf (buf, "%d", entryno); 4310 4311 if (saved_lengths[0] < sizeof (buf)) 4312 { 4313 /* The file is anchored to another file and the first few bytes 4314 are spanned in two sectors. Uggh... */ 4315 if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE, 4316 sect)) 4317 goto fail; 4318 grub_memmove (sect + saved_offsets[0], buf, saved_lengths[0]); 4319 if (! rawwrite (current_drive, saved_sectors[0], sect)) 4320 goto fail; 4321 4322 if (! rawread (current_drive, saved_sectors[1], 0, SECTOR_SIZE, 4323 sect)) 4324 goto fail; 4325 grub_memmove (sect + saved_offsets[1], 4326 buf + saved_lengths[0], 4327 sizeof (buf) - saved_lengths[0]); 4328 if (! rawwrite (current_drive, saved_sectors[1], sect)) 4329 goto fail; 4330 } 4331 else 4332 { 4333 /* This is a simple case. It fits into a single sector. */ 4334 if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE, 4335 sect)) 4336 goto fail; 4337 grub_memmove (sect + saved_offsets[0], buf, sizeof (buf)); 4338 if (! rawwrite (current_drive, saved_sectors[0], sect)) 4339 goto fail; 4340 } 4341 4342 /* Clear the cache. */ 4343 buf_track = BUF_CACHE_INVALID; 4344 } 4345 4346 fail: 4347 saved_drive = tmp_drive; 4348 saved_partition = tmp_partition; 4349 return errnum; 4350 #else /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */ 4351 errnum = ERR_UNRECOGNIZED; 4352 return 1; 4353 #endif /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */ 4354 } 4355 4356 static struct builtin builtin_savedefault = 4357 { 4358 "savedefault", 4359 savedefault_func, 4360 BUILTIN_CMDLINE, 4361 "savedefault [NUM | `fallback']", 4362 "Save the current entry as the default boot entry if no argument is" 4363 " specified. If a number is specified, this number is saved. If" 4364 " `fallback' is used, next fallback entry is saved." 4365 }; 4366 4367 4368 #ifdef SUPPORT_SERIAL 4369 /* serial */ 4370 static int 4371 serial_func (char *arg, int flags) 4372 { 4373 unsigned short port = serial_hw_get_port (0); 4374 unsigned int speed = 9600; 4375 int word_len = UART_8BITS_WORD; 4376 int parity = UART_NO_PARITY; 4377 int stop_bit_len = UART_1_STOP_BIT; 4378 4379 /* Process GNU-style long options. 4380 FIXME: We should implement a getopt-like function, to avoid 4381 duplications. */ 4382 while (1) 4383 { 4384 if (grub_memcmp (arg, "--unit=", sizeof ("--unit=") - 1) == 0) 4385 { 4386 char *p = arg + sizeof ("--unit=") - 1; 4387 int unit; 4388 4389 if (! safe_parse_maxint (&p, &unit)) 4390 return 1; 4391 4392 if (unit < 0 || unit > 3) 4393 { 4394 errnum = ERR_DEV_VALUES; 4395 return 1; 4396 } 4397 4398 port = serial_hw_get_port (unit); 4399 } 4400 else if (grub_memcmp (arg, "--speed=", sizeof ("--speed=") - 1) == 0) 4401 { 4402 char *p = arg + sizeof ("--speed=") - 1; 4403 int num; 4404 4405 if (! safe_parse_maxint (&p, &num)) 4406 return 1; 4407 4408 speed = (unsigned int) num; 4409 } 4410 else if (grub_memcmp (arg, "--port=", sizeof ("--port=") - 1) == 0) 4411 { 4412 char *p = arg + sizeof ("--port=") - 1; 4413 int num; 4414 4415 if (! safe_parse_maxint (&p, &num)) 4416 return 1; 4417 4418 port = (unsigned short) num; 4419 } 4420 else if (grub_memcmp (arg, "--word=", sizeof ("--word=") - 1) == 0) 4421 { 4422 char *p = arg + sizeof ("--word=") - 1; 4423 int len; 4424 4425 if (! safe_parse_maxint (&p, &len)) 4426 return 1; 4427 4428 switch (len) 4429 { 4430 case 5: word_len = UART_5BITS_WORD; break; 4431 case 6: word_len = UART_6BITS_WORD; break; 4432 case 7: word_len = UART_7BITS_WORD; break; 4433 case 8: word_len = UART_8BITS_WORD; break; 4434 default: 4435 errnum = ERR_BAD_ARGUMENT; 4436 return 1; 4437 } 4438 } 4439 else if (grub_memcmp (arg, "--stop=", sizeof ("--stop=") - 1) == 0) 4440 { 4441 char *p = arg + sizeof ("--stop=") - 1; 4442 int len; 4443 4444 if (! safe_parse_maxint (&p, &len)) 4445 return 1; 4446 4447 switch (len) 4448 { 4449 case 1: stop_bit_len = UART_1_STOP_BIT; break; 4450 case 2: stop_bit_len = UART_2_STOP_BITS; break; 4451 default: 4452 errnum = ERR_BAD_ARGUMENT; 4453 return 1; 4454 } 4455 } 4456 else if (grub_memcmp (arg, "--parity=", sizeof ("--parity=") - 1) == 0) 4457 { 4458 char *p = arg + sizeof ("--parity=") - 1; 4459 4460 if (grub_memcmp (p, "no", sizeof ("no") - 1) == 0) 4461 parity = UART_NO_PARITY; 4462 else if (grub_memcmp (p, "odd", sizeof ("odd") - 1) == 0) 4463 parity = UART_ODD_PARITY; 4464 else if (grub_memcmp (p, "even", sizeof ("even") - 1) == 0) 4465 parity = UART_EVEN_PARITY; 4466 else 4467 { 4468 errnum = ERR_BAD_ARGUMENT; 4469 return 1; 4470 } 4471 } 4472 # ifdef GRUB_UTIL 4473 /* In the grub shell, don't use any port number but open a tty 4474 device instead. */ 4475 else if (grub_memcmp (arg, "--device=", sizeof ("--device=") - 1) == 0) 4476 { 4477 char *p = arg + sizeof ("--device=") - 1; 4478 char dev[256]; /* XXX */ 4479 char *q = dev; 4480 4481 while (*p && ! grub_isspace (*p)) 4482 *q++ = *p++; 4483 4484 *q = 0; 4485 serial_set_device (dev); 4486 } 4487 # endif /* GRUB_UTIL */ 4488 else 4489 break; 4490 4491 arg = skip_to (0, arg); 4492 } 4493 4494 /* Initialize the serial unit. */ 4495 if (! serial_hw_init (port, speed, word_len, parity, stop_bit_len)) 4496 { 4497 errnum = ERR_BAD_ARGUMENT; 4498 return 1; 4499 } 4500 4501 return 0; 4502 } 4503 4504 static struct builtin builtin_serial = 4505 { 4506 "serial", 4507 serial_func, 4508 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4509 "serial [--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] [--parity=PARITY] [--stop=STOP] [--device=DEV]", 4510 "Initialize a serial device. UNIT is a digit that specifies which serial" 4511 " device is used (e.g. 0 == COM1). If you need to specify the port number," 4512 " set it by --port. SPEED is the DTE-DTE speed. WORD is the word length," 4513 " PARITY is the type of parity, which is one of `no', `odd' and `even'." 4514 " STOP is the length of stop bit(s). The option --device can be used only" 4515 " in the grub shell, which specifies the file name of a tty device. The" 4516 " default values are COM1, 9600, 8N1." 4517 }; 4518 #endif /* SUPPORT_SERIAL */ 4519 4520 4521 /* setkey */ 4522 struct keysym 4523 { 4524 char *unshifted_name; /* the name in unshifted state */ 4525 char *shifted_name; /* the name in shifted state */ 4526 unsigned char unshifted_ascii; /* the ascii code in unshifted state */ 4527 unsigned char shifted_ascii; /* the ascii code in shifted state */ 4528 unsigned char keycode; /* keyboard scancode */ 4529 }; 4530 4531 /* The table for key symbols. If the "shifted" member of an entry is 4532 NULL, the entry does not have shifted state. */ 4533 static struct keysym keysym_table[] = 4534 { 4535 {"escape", 0, 0x1b, 0, 0x01}, 4536 {"1", "exclam", '1', '!', 0x02}, 4537 {"2", "at", '2', '@', 0x03}, 4538 {"3", "numbersign", '3', '#', 0x04}, 4539 {"4", "dollar", '4', '$', 0x05}, 4540 {"5", "percent", '5', '%', 0x06}, 4541 {"6", "caret", '6', '^', 0x07}, 4542 {"7", "ampersand", '7', '&', 0x08}, 4543 {"8", "asterisk", '8', '*', 0x09}, 4544 {"9", "parenleft", '9', '(', 0x0a}, 4545 {"0", "parenright", '0', ')', 0x0b}, 4546 {"minus", "underscore", '-', '_', 0x0c}, 4547 {"equal", "plus", '=', '+', 0x0d}, 4548 {"backspace", 0, '\b', 0, 0x0e}, 4549 {"tab", 0, '\t', 0, 0x0f}, 4550 {"q", "Q", 'q', 'Q', 0x10}, 4551 {"w", "W", 'w', 'W', 0x11}, 4552 {"e", "E", 'e', 'E', 0x12}, 4553 {"r", "R", 'r', 'R', 0x13}, 4554 {"t", "T", 't', 'T', 0x14}, 4555 {"y", "Y", 'y', 'Y', 0x15}, 4556 {"u", "U", 'u', 'U', 0x16}, 4557 {"i", "I", 'i', 'I', 0x17}, 4558 {"o", "O", 'o', 'O', 0x18}, 4559 {"p", "P", 'p', 'P', 0x19}, 4560 {"bracketleft", "braceleft", '[', '{', 0x1a}, 4561 {"bracketright", "braceright", ']', '}', 0x1b}, 4562 {"enter", 0, '\n', 0, 0x1c}, 4563 {"control", 0, 0, 0, 0x1d}, 4564 {"a", "A", 'a', 'A', 0x1e}, 4565 {"s", "S", 's', 'S', 0x1f}, 4566 {"d", "D", 'd', 'D', 0x20}, 4567 {"f", "F", 'f', 'F', 0x21}, 4568 {"g", "G", 'g', 'G', 0x22}, 4569 {"h", "H", 'h', 'H', 0x23}, 4570 {"j", "J", 'j', 'J', 0x24}, 4571 {"k", "K", 'k', 'K', 0x25}, 4572 {"l", "L", 'l', 'L', 0x26}, 4573 {"semicolon", "colon", ';', ':', 0x27}, 4574 {"quote", "doublequote", '\'', '"', 0x28}, 4575 {"backquote", "tilde", '`', '~', 0x29}, 4576 {"shift", 0, 0, 0, 0x2a}, 4577 {"backslash", "bar", '\\', '|', 0x2b}, 4578 {"z", "Z", 'z', 'Z', 0x2c}, 4579 {"x", "X", 'x', 'X', 0x2d}, 4580 {"c", "C", 'c', 'C', 0x2e}, 4581 {"v", "V", 'v', 'V', 0x2f}, 4582 {"b", "B", 'b', 'B', 0x30}, 4583 {"n", "N", 'n', 'N', 0x31}, 4584 {"m", "M", 'm', 'M', 0x32}, 4585 {"comma", "less", ',', '<', 0x33}, 4586 {"period", "greater", '.', '>', 0x34}, 4587 {"slash", "question", '/', '?', 0x35}, 4588 {"alt", 0, 0, 0, 0x38}, 4589 {"space", 0, ' ', 0, 0x39}, 4590 {"capslock", 0, 0, 0, 0x3a}, 4591 {"F1", 0, 0, 0, 0x3b}, 4592 {"F2", 0, 0, 0, 0x3c}, 4593 {"F3", 0, 0, 0, 0x3d}, 4594 {"F4", 0, 0, 0, 0x3e}, 4595 {"F5", 0, 0, 0, 0x3f}, 4596 {"F6", 0, 0, 0, 0x40}, 4597 {"F7", 0, 0, 0, 0x41}, 4598 {"F8", 0, 0, 0, 0x42}, 4599 {"F9", 0, 0, 0, 0x43}, 4600 {"F10", 0, 0, 0, 0x44}, 4601 /* Caution: do not add NumLock here! we cannot deal with it properly. */ 4602 {"delete", 0, 0x7f, 0, 0x53} 4603 }; 4604 4605 static int 4606 setkey_func (char *arg, int flags) 4607 { 4608 char *to_key, *from_key; 4609 int to_code, from_code; 4610 int map_in_interrupt = 0; 4611 4612 auto int find_key_code (char *key); 4613 auto int find_ascii_code (char *key); 4614 4615 auto int find_key_code (char *key) 4616 { 4617 int i; 4618 4619 for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++) 4620 { 4621 if (keysym_table[i].unshifted_name && 4622 grub_strcmp (key, keysym_table[i].unshifted_name) == 0) 4623 return keysym_table[i].keycode; 4624 else if (keysym_table[i].shifted_name && 4625 grub_strcmp (key, keysym_table[i].shifted_name) == 0) 4626 return keysym_table[i].keycode; 4627 } 4628 4629 return 0; 4630 } 4631 4632 auto int find_ascii_code (char *key) 4633 { 4634 int i; 4635 4636 for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++) 4637 { 4638 if (keysym_table[i].unshifted_name && 4639 grub_strcmp (key, keysym_table[i].unshifted_name) == 0) 4640 return keysym_table[i].unshifted_ascii; 4641 else if (keysym_table[i].shifted_name && 4642 grub_strcmp (key, keysym_table[i].shifted_name) == 0) 4643 return keysym_table[i].shifted_ascii; 4644 } 4645 4646 return 0; 4647 } 4648 4649 to_key = arg; 4650 from_key = skip_to (0, to_key); 4651 4652 if (! *to_key) 4653 { 4654 /* If the user specifies no argument, reset the key mappings. */ 4655 grub_memset (bios_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short)); 4656 grub_memset (ascii_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short)); 4657 4658 return 0; 4659 } 4660 else if (! *from_key) 4661 { 4662 /* The user must specify two arguments or zero argument. */ 4663 errnum = ERR_BAD_ARGUMENT; 4664 return 1; 4665 } 4666 4667 nul_terminate (to_key); 4668 nul_terminate (from_key); 4669 4670 to_code = find_ascii_code (to_key); 4671 from_code = find_ascii_code (from_key); 4672 if (! to_code || ! from_code) 4673 { 4674 map_in_interrupt = 1; 4675 to_code = find_key_code (to_key); 4676 from_code = find_key_code (from_key); 4677 if (! to_code || ! from_code) 4678 { 4679 errnum = ERR_BAD_ARGUMENT; 4680 return 1; 4681 } 4682 } 4683 4684 if (map_in_interrupt) 4685 { 4686 int i; 4687 4688 /* Find an empty slot. */ 4689 for (i = 0; i < KEY_MAP_SIZE; i++) 4690 { 4691 if ((bios_key_map[i] & 0xff) == from_code) 4692 /* Perhaps the user wants to overwrite the map. */ 4693 break; 4694 4695 if (! bios_key_map[i]) 4696 break; 4697 } 4698 4699 if (i == KEY_MAP_SIZE) 4700 { 4701 errnum = ERR_WONT_FIT; 4702 return 1; 4703 } 4704 4705 if (to_code == from_code) 4706 /* If TO is equal to FROM, delete the entry. */ 4707 grub_memmove ((char *) &bios_key_map[i], 4708 (char *) &bios_key_map[i + 1], 4709 sizeof (unsigned short) * (KEY_MAP_SIZE - i)); 4710 else 4711 bios_key_map[i] = (to_code << 8) | from_code; 4712 4713 /* Ugly but should work. */ 4714 unset_int15_handler (); 4715 set_int15_handler (); 4716 } 4717 else 4718 { 4719 int i; 4720 4721 /* Find an empty slot. */ 4722 for (i = 0; i < KEY_MAP_SIZE; i++) 4723 { 4724 if ((ascii_key_map[i] & 0xff) == from_code) 4725 /* Perhaps the user wants to overwrite the map. */ 4726 break; 4727 4728 if (! ascii_key_map[i]) 4729 break; 4730 } 4731 4732 if (i == KEY_MAP_SIZE) 4733 { 4734 errnum = ERR_WONT_FIT; 4735 return 1; 4736 } 4737 4738 if (to_code == from_code) 4739 /* If TO is equal to FROM, delete the entry. */ 4740 grub_memmove ((char *) &ascii_key_map[i], 4741 (char *) &ascii_key_map[i + 1], 4742 sizeof (unsigned short) * (KEY_MAP_SIZE - i)); 4743 else 4744 ascii_key_map[i] = (to_code << 8) | from_code; 4745 } 4746 4747 return 0; 4748 } 4749 4750 static struct builtin builtin_setkey = 4751 { 4752 "setkey", 4753 setkey_func, 4754 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 4755 "setkey [TO_KEY FROM_KEY]", 4756 "Change the keyboard map. The key FROM_KEY is mapped to the key TO_KEY." 4757 " A key must be an alphabet, a digit, or one of these: escape, exclam," 4758 " at, numbersign, dollar, percent, caret, ampersand, asterisk, parenleft," 4759 " parenright, minus, underscore, equal, plus, backspace, tab, bracketleft," 4760 " braceleft, bracketright, braceright, enter, control, semicolon, colon," 4761 " quote, doublequote, backquote, tilde, shift, backslash, bar, comma," 4762 " less, period, greater, slash, question, alt, space, capslock, FX (X" 4763 " is a digit), and delete. If no argument is specified, reset key" 4764 " mappings." 4765 }; 4766 4767 4768 /* setup */ 4769 static int 4770 setup_func (char *arg, int flags) 4771 { 4772 /* Point to the string of the installed drive/partition. */ 4773 char *install_ptr; 4774 /* Point to the string of the drive/parition where the GRUB images 4775 reside. */ 4776 char *image_ptr; 4777 unsigned long installed_drive, installed_partition; 4778 unsigned long image_drive, image_partition; 4779 unsigned long tmp_drive, tmp_partition; 4780 char stage1[64]; 4781 char stage2[64]; 4782 char config_filename[64]; 4783 char real_config_filename[64]; 4784 char cmd_arg[256]; 4785 char device[16]; 4786 char *buffer = (char *) RAW_ADDR (0x100000); 4787 int is_force_lba = 0; 4788 char *stage2_arg = 0; 4789 char *prefix = 0; 4790 4791 auto int check_file (char *file); 4792 auto void sprint_device (int drive, int partition); 4793 auto int embed_stage1_5 (char * stage1_5, int drive, int partition); 4794 4795 /* Check if the file FILE exists like Autoconf. */ 4796 int check_file (char *file) 4797 { 4798 int ret; 4799 4800 grub_printf (" Checking if \"%s\" exists... ", file); 4801 ret = grub_open (file); 4802 if (ret) 4803 { 4804 grub_close (); 4805 grub_printf ("yes\n"); 4806 } 4807 else 4808 grub_printf ("no\n"); 4809 4810 return ret; 4811 } 4812 4813 /* Construct a device name in DEVICE. */ 4814 void sprint_device (int drive, int partition) 4815 { 4816 grub_sprintf (device, "(%cd%d", 4817 (drive & 0x80) ? 'h' : 'f', 4818 drive & ~0x80); 4819 if ((partition & 0xFF0000) != 0xFF0000) 4820 { 4821 char tmp[16]; 4822 grub_sprintf (tmp, ",%d", (partition >> 16) & 0xFF); 4823 grub_strncat (device, tmp, 256); 4824 } 4825 if ((partition & 0x00FF00) != 0x00FF00) 4826 { 4827 char tmp[16]; 4828 grub_sprintf (tmp, ",%c", 'a' + ((partition >> 8) & 0xFF)); 4829 grub_strncat (device, tmp, 256); 4830 } 4831 grub_strncat (device, ")", 256); 4832 } 4833 4834 int embed_stage1_5 (char *stage1_5, int drive, int partition) 4835 { 4836 /* We install GRUB into the MBR, so try to embed the 4837 Stage 1.5 in the sectors right after the MBR. */ 4838 sprint_device (drive, partition); 4839 grub_sprintf (cmd_arg, "%s %s", stage1_5, device); 4840 4841 /* Notify what will be run. */ 4842 grub_printf (" Running \"embed %s\"... ", cmd_arg); 4843 4844 embed_func (cmd_arg, flags); 4845 if (! errnum) 4846 { 4847 /* Construct the blocklist representation. */ 4848 grub_sprintf (buffer, "%s%s", device, embed_info); 4849 grub_printf ("succeeded\n"); 4850 return 1; 4851 } 4852 else 4853 { 4854 grub_printf ("failed (this is not fatal)\n"); 4855 return 0; 4856 } 4857 } 4858 4859 struct stage1_5_map { 4860 char *fsys; 4861 char *name; 4862 }; 4863 struct stage1_5_map stage1_5_map[] = 4864 { 4865 {"ext2fs", "/e2fs_stage1_5"}, 4866 {"fat", "/fat_stage1_5"}, 4867 {"ufs2", "/ufs2_stage1_5"}, 4868 {"ffs", "/ffs_stage1_5"}, 4869 {"iso9660", "/iso9660_stage1_5"}, 4870 {"jfs", "/jfs_stage1_5"}, 4871 {"minix", "/minix_stage1_5"}, 4872 {"reiserfs", "/reiserfs_stage1_5"}, 4873 {"vstafs", "/vstafs_stage1_5"}, 4874 {"xfs", "/xfs_stage1_5"}, 4875 {"ufs", "/ufs_stage1_5"} 4876 }; 4877 4878 tmp_drive = saved_drive; 4879 tmp_partition = saved_partition; 4880 4881 /* Check if the user specifies --force-lba. */ 4882 while (1) 4883 { 4884 if (grub_memcmp ("--force-lba", arg, sizeof ("--force-lba") - 1) == 0) 4885 { 4886 is_force_lba = 1; 4887 arg = skip_to (0, arg); 4888 } 4889 else if (grub_memcmp ("--prefix=", arg, sizeof ("--prefix=") - 1) == 0) 4890 { 4891 prefix = arg + sizeof ("--prefix=") - 1; 4892 arg = skip_to (0, arg); 4893 nul_terminate (prefix); 4894 } 4895 #ifdef GRUB_UTIL 4896 else if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0) 4897 { 4898 stage2_arg = arg; 4899 arg = skip_to (0, arg); 4900 nul_terminate (stage2_arg); 4901 } 4902 #endif /* GRUB_UTIL */ 4903 else 4904 break; 4905 } 4906 4907 install_ptr = arg; 4908 image_ptr = skip_to (0, install_ptr); 4909 4910 /* Make sure that INSTALL_PTR is valid. */ 4911 set_device (install_ptr); 4912 if (errnum) 4913 return 1; 4914 4915 installed_drive = current_drive; 4916 installed_partition = current_partition; 4917 4918 /* Mount the drive pointed by IMAGE_PTR. */ 4919 if (*image_ptr) 4920 { 4921 /* If the drive/partition where the images reside is specified, 4922 get the drive and the partition. */ 4923 set_device (image_ptr); 4924 if (errnum) 4925 return 1; 4926 } 4927 else 4928 { 4929 /* If omitted, use SAVED_PARTITION and SAVED_DRIVE. */ 4930 current_drive = saved_drive; 4931 current_partition = saved_partition; 4932 } 4933 4934 image_drive = saved_drive = current_drive; 4935 image_partition = saved_partition = current_partition; 4936 4937 /* Open it. */ 4938 if (! open_device ()) 4939 goto fail; 4940 4941 /* Check if stage1 exists. If the user doesn't specify the option 4942 `--prefix', attempt /boot/grub and /grub. */ 4943 /* NOTE: It is dangerous to run this command without `--prefix' in the 4944 grub shell, since that affects `--stage2'. */ 4945 if (! prefix) 4946 { 4947 prefix = "/boot/grub"; 4948 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4949 if (! check_file (stage1)) 4950 { 4951 errnum = ERR_NONE; 4952 prefix = "/grub"; 4953 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4954 if (! check_file (stage1)) 4955 goto fail; 4956 } 4957 } 4958 else 4959 { 4960 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4961 if (! check_file (stage1)) 4962 goto fail; 4963 } 4964 4965 /* The prefix was determined. */ 4966 grub_sprintf (stage2, "%s%s", prefix, "/stage2"); 4967 grub_sprintf (config_filename, "%s%s", prefix, "/menu.lst"); 4968 *real_config_filename = 0; 4969 4970 /* Check if stage2 exists. */ 4971 if (! check_file (stage2)) 4972 goto fail; 4973 4974 { 4975 char *fsys = fsys_table[fsys_type].name; 4976 int i; 4977 int size = sizeof (stage1_5_map) / sizeof (stage1_5_map[0]); 4978 4979 /* Iterate finding the same filesystem name as FSYS. */ 4980 for (i = 0; i < size; i++) 4981 if (grub_strcmp (fsys, stage1_5_map[i].fsys) == 0) 4982 { 4983 /* OK, check if the Stage 1.5 exists. */ 4984 char stage1_5[64]; 4985 4986 grub_sprintf (stage1_5, "%s%s", prefix, stage1_5_map[i].name); 4987 if (check_file (stage1_5)) 4988 { 4989 if (embed_stage1_5 (stage1_5, 4990 installed_drive, installed_partition) 4991 || embed_stage1_5 (stage1_5, 4992 image_drive, image_partition)) 4993 { 4994 grub_strcpy (real_config_filename, config_filename); 4995 sprint_device (image_drive, image_partition); 4996 grub_sprintf (config_filename, "%s%s", device, stage2); 4997 grub_strcpy (stage2, buffer); 4998 } 4999 } 5000 errnum = 0; 5001 break; 5002 } 5003 } 5004 5005 /* Construct a string that is used by the command "install" as its 5006 arguments. */ 5007 sprint_device (installed_drive, installed_partition); 5008 5009 #if 1 5010 /* Don't embed a drive number unnecessarily. */ 5011 grub_sprintf (cmd_arg, "%s%s%s%s %s%s %s p %s %s", 5012 is_force_lba? "--force-lba " : "", 5013 stage2_arg? stage2_arg : "", 5014 stage2_arg? " " : "", 5015 stage1, 5016 (installed_drive != image_drive) ? "d " : "", 5017 device, 5018 stage2, 5019 config_filename, 5020 real_config_filename); 5021 #else /* NOT USED */ 5022 /* This code was used, because we belived some BIOSes had a problem 5023 that they didn't pass a booting drive correctly. It turned out, 5024 however, stage1 could trash a booting drive when checking LBA support, 5025 because some BIOSes modified the register %dx in INT 13H, AH=48H. 5026 So it becamed unclear whether GRUB should use a pre-defined booting 5027 drive or not. If the problem still exists, it would be necessary to 5028 switch back to this code. */ 5029 grub_sprintf (cmd_arg, "%s%s%s%s d %s %s p %s %s", 5030 is_force_lba? "--force-lba " : "", 5031 stage2_arg? stage2_arg : "", 5032 stage2_arg? " " : "", 5033 stage1, 5034 device, 5035 stage2, 5036 config_filename, 5037 real_config_filename); 5038 #endif /* NOT USED */ 5039 5040 /* Notify what will be run. */ 5041 grub_printf (" Running \"install %s\"... ", cmd_arg); 5042 5043 /* Make sure that SAVED_DRIVE and SAVED_PARTITION are identical 5044 with IMAGE_DRIVE and IMAGE_PARTITION, respectively. */ 5045 saved_drive = image_drive; 5046 saved_partition = image_partition; 5047 5048 /* Run the command. */ 5049 if (! install_func (cmd_arg, flags)) 5050 grub_printf ("succeeded\nDone.\n"); 5051 else 5052 grub_printf ("failed\n"); 5053 5054 fail: 5055 saved_drive = tmp_drive; 5056 saved_partition = tmp_partition; 5057 return errnum; 5058 } 5059 5060 static struct builtin builtin_setup = 5061 { 5062 "setup", 5063 setup_func, 5064 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5065 "setup [--prefix=DIR] [--stage2=STAGE2_FILE] [--force-lba] INSTALL_DEVICE [IMAGE_DEVICE]", 5066 "Set up the installation of GRUB automatically. This command uses" 5067 " the more flexible command \"install\" in the backend and installs" 5068 " GRUB into the device INSTALL_DEVICE. If IMAGE_DEVICE is specified," 5069 " then find the GRUB images in the device IMAGE_DEVICE, otherwise" 5070 " use the current \"root device\", which can be set by the command" 5071 " \"root\". If you know that your BIOS should support LBA but GRUB" 5072 " doesn't work in LBA mode, specify the option `--force-lba'." 5073 " If you install GRUB under the grub shell and you cannot unmount the" 5074 " partition where GRUB images reside, specify the option `--stage2'" 5075 " to tell GRUB the file name under your OS." 5076 }; 5077 5078 5079 #if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) 5080 /* terminal */ 5081 static int 5082 terminal_func (char *arg, int flags) 5083 { 5084 /* The index of the default terminal in TERM_TABLE. */ 5085 int default_term = -1; 5086 struct term_entry *prev_term = current_term; 5087 int to = -1; 5088 int lines = 0; 5089 int no_message = 0; 5090 unsigned long term_flags = 0; 5091 /* XXX: Assume less than 32 terminals. */ 5092 unsigned long term_bitmap = 0; 5093 5094 /* Get GNU-style long options. */ 5095 while (1) 5096 { 5097 if (grub_memcmp (arg, "--dumb", sizeof ("--dumb") - 1) == 0) 5098 term_flags |= TERM_DUMB; 5099 else if (grub_memcmp (arg, "--no-echo", sizeof ("--no-echo") - 1) == 0) 5100 /* ``--no-echo'' implies ``--no-edit''. */ 5101 term_flags |= (TERM_NO_ECHO | TERM_NO_EDIT); 5102 else if (grub_memcmp (arg, "--no-edit", sizeof ("--no-edit") - 1) == 0) 5103 term_flags |= TERM_NO_EDIT; 5104 else if (grub_memcmp (arg, "--timeout=", sizeof ("--timeout=") - 1) == 0) 5105 { 5106 char *val = arg + sizeof ("--timeout=") - 1; 5107 5108 if (! safe_parse_maxint (&val, &to)) 5109 return 1; 5110 } 5111 else if (grub_memcmp (arg, "--lines=", sizeof ("--lines=") - 1) == 0) 5112 { 5113 char *val = arg + sizeof ("--lines=") - 1; 5114 5115 if (! safe_parse_maxint (&val, &lines)) 5116 return 1; 5117 5118 /* Probably less than four is meaningless.... */ 5119 if (lines < 4) 5120 { 5121 errnum = ERR_BAD_ARGUMENT; 5122 return 1; 5123 } 5124 } 5125 else if (grub_memcmp (arg, "--silent", sizeof ("--silent") - 1) == 0) 5126 no_message = 1; 5127 else 5128 break; 5129 5130 arg = skip_to (0, arg); 5131 } 5132 5133 /* If no argument is specified, show current setting. */ 5134 if (! *arg) 5135 { 5136 grub_printf ("%s%s%s%s\n", 5137 current_term->name, 5138 current_term->flags & TERM_DUMB ? " (dumb)" : "", 5139 current_term->flags & TERM_NO_EDIT ? " (no edit)" : "", 5140 current_term->flags & TERM_NO_ECHO ? " (no echo)" : ""); 5141 return 0; 5142 } 5143 5144 while (*arg) 5145 { 5146 int i; 5147 char *next = skip_to (0, arg); 5148 5149 nul_terminate (arg); 5150 5151 for (i = 0; term_table[i].name; i++) 5152 { 5153 if (grub_strcmp (arg, term_table[i].name) == 0) 5154 { 5155 if (term_table[i].flags & TERM_NEED_INIT) 5156 { 5157 errnum = ERR_DEV_NEED_INIT; 5158 return 1; 5159 } 5160 5161 if (default_term < 0) 5162 default_term = i; 5163 5164 term_bitmap |= (1 << i); 5165 break; 5166 } 5167 } 5168 5169 if (! term_table[i].name) 5170 { 5171 errnum = ERR_BAD_ARGUMENT; 5172 return 1; 5173 } 5174 5175 arg = next; 5176 } 5177 5178 /* If multiple terminals are specified, wait until the user pushes any 5179 key on one of the terminals. */ 5180 if (term_bitmap & ~(1 << default_term)) 5181 { 5182 int time1, time2 = -1; 5183 5184 /* XXX: Disable the pager. */ 5185 count_lines = -1; 5186 5187 /* Get current time. */ 5188 while ((time1 = getrtsecs ()) == 0xFF) 5189 ; 5190 5191 /* Wait for a key input. */ 5192 while (to) 5193 { 5194 int i; 5195 5196 for (i = 0; term_table[i].name; i++) 5197 { 5198 if (term_bitmap & (1 << i)) 5199 { 5200 if (term_table[i].checkkey () >= 0) 5201 { 5202 (void) term_table[i].getkey (); 5203 default_term = i; 5204 5205 goto end; 5206 } 5207 } 5208 } 5209 5210 /* Prompt the user, once per sec. */ 5211 if ((time1 = getrtsecs ()) != time2 && time1 != 0xFF) 5212 { 5213 if (! no_message) 5214 { 5215 /* Need to set CURRENT_TERM to each of selected 5216 terminals. */ 5217 for (i = 0; term_table[i].name; i++) 5218 if (term_bitmap & (1 << i)) 5219 { 5220 current_term = term_table + i; 5221 grub_printf ("\rPress any key to continue.\n"); 5222 } 5223 5224 /* Restore CURRENT_TERM. */ 5225 current_term = prev_term; 5226 } 5227 5228 time2 = time1; 5229 if (to > 0) 5230 to--; 5231 } 5232 } 5233 } 5234 5235 end: 5236 current_term = term_table + default_term; 5237 current_term->flags = term_flags; 5238 5239 if (lines) 5240 max_lines = lines; 5241 else 5242 max_lines = current_term->max_lines; 5243 5244 /* If the interface is currently the command-line, 5245 restart it to repaint the screen. */ 5246 if ((current_term != prev_term) && (flags & BUILTIN_CMDLINE)){ 5247 if (prev_term->shutdown) 5248 prev_term->shutdown(); 5249 if (current_term->startup) 5250 current_term->startup(); 5251 grub_longjmp (restart_cmdline_env, 0); 5252 } 5253 5254 return 0; 5255 } 5256 5257 static struct builtin builtin_terminal = 5258 { 5259 "terminal", 5260 terminal_func, 5261 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5262 "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules] [graphics]", 5263 "Select a terminal. When multiple terminals are specified, wait until" 5264 " you push any key to continue. If both console and serial are specified," 5265 " the terminal to which you input a key first will be selected. If no" 5266 " argument is specified, print current setting. The option --dumb" 5267 " specifies that your terminal is dumb, otherwise, vt100-compatibility" 5268 " is assumed. If you specify --no-echo, input characters won't be echoed." 5269 " If you specify --no-edit, the BASH-like editing feature will be disabled." 5270 " If --timeout is present, this command will wait at most for SECS" 5271 " seconds. The option --lines specifies the maximum number of lines." 5272 " The option --silent is used to suppress messages." 5273 }; 5274 #endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ 5275 5276 5277 #ifdef SUPPORT_SERIAL 5278 static int 5279 terminfo_func (char *arg, int flags) 5280 { 5281 struct terminfo term; 5282 5283 if (*arg) 5284 { 5285 struct 5286 { 5287 const char *name; 5288 char *var; 5289 } 5290 options[] = 5291 { 5292 {"--name=", term.name}, 5293 {"--cursor-address=", term.cursor_address}, 5294 {"--clear-screen=", term.clear_screen}, 5295 {"--enter-standout-mode=", term.enter_standout_mode}, 5296 {"--exit-standout-mode=", term.exit_standout_mode} 5297 }; 5298 5299 grub_memset (&term, 0, sizeof (term)); 5300 5301 while (*arg) 5302 { 5303 int i; 5304 char *next = skip_to (0, arg); 5305 5306 nul_terminate (arg); 5307 5308 for (i = 0; i < sizeof (options) / sizeof (options[0]); i++) 5309 { 5310 const char *name = options[i].name; 5311 int len = grub_strlen (name); 5312 5313 if (! grub_memcmp (arg, name, len)) 5314 { 5315 grub_strcpy (options[i].var, ti_unescape_string (arg + len)); 5316 break; 5317 } 5318 } 5319 5320 if (i == sizeof (options) / sizeof (options[0])) 5321 { 5322 errnum = ERR_BAD_ARGUMENT; 5323 return errnum; 5324 } 5325 5326 arg = next; 5327 } 5328 5329 if (term.name[0] == 0 || term.cursor_address[0] == 0) 5330 { 5331 errnum = ERR_BAD_ARGUMENT; 5332 return errnum; 5333 } 5334 5335 ti_set_term (&term); 5336 } 5337 else 5338 { 5339 /* No option specifies printing out current settings. */ 5340 ti_get_term (&term); 5341 5342 grub_printf ("name=%s\n", 5343 ti_escape_string (term.name)); 5344 grub_printf ("cursor_address=%s\n", 5345 ti_escape_string (term.cursor_address)); 5346 grub_printf ("clear_screen=%s\n", 5347 ti_escape_string (term.clear_screen)); 5348 grub_printf ("enter_standout_mode=%s\n", 5349 ti_escape_string (term.enter_standout_mode)); 5350 grub_printf ("exit_standout_mode=%s\n", 5351 ti_escape_string (term.exit_standout_mode)); 5352 } 5353 5354 return 0; 5355 } 5356 5357 static struct builtin builtin_terminfo = 5358 { 5359 "terminfo", 5360 terminfo_func, 5361 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5362 "terminfo [--name=NAME --cursor-address=SEQ [--clear-screen=SEQ]" 5363 " [--enter-standout-mode=SEQ] [--exit-standout-mode=SEQ]]", 5364 5365 "Define the capabilities of your terminal. Use this command to" 5366 " define escape sequences, if it is not vt100-compatible." 5367 " You may use \\e for ESC and ^X for a control character." 5368 " If no option is specified, the current settings are printed." 5369 }; 5370 #endif /* SUPPORT_SERIAL */ 5371 5372 5373 /* testload */ 5374 static int 5375 testload_func (char *arg, int flags) 5376 { 5377 int i; 5378 5379 kernel_type = KERNEL_TYPE_NONE; 5380 5381 if (! grub_open (arg)) 5382 return 1; 5383 5384 disk_read_hook = disk_read_print_func; 5385 5386 /* Perform filesystem test on the specified file. */ 5387 /* Read whole file first. */ 5388 grub_printf ("Whole file: "); 5389 5390 grub_read ((char *) RAW_ADDR (0x100000), -1); 5391 5392 /* Now compare two sections of the file read differently. */ 5393 5394 for (i = 0; i < 0x10ac0; i++) 5395 { 5396 *((unsigned char *) RAW_ADDR (0x200000 + i)) = 0; 5397 *((unsigned char *) RAW_ADDR (0x300000 + i)) = 1; 5398 } 5399 5400 /* First partial read. */ 5401 grub_printf ("\nPartial read 1: "); 5402 5403 grub_seek (0); 5404 grub_read ((char *) RAW_ADDR (0x200000), 0x7); 5405 grub_read ((char *) RAW_ADDR (0x200007), 0x100); 5406 grub_read ((char *) RAW_ADDR (0x200107), 0x10); 5407 grub_read ((char *) RAW_ADDR (0x200117), 0x999); 5408 grub_read ((char *) RAW_ADDR (0x200ab0), 0x10); 5409 grub_read ((char *) RAW_ADDR (0x200ac0), 0x10000); 5410 5411 /* Second partial read. */ 5412 grub_printf ("\nPartial read 2: "); 5413 5414 grub_seek (0); 5415 grub_read ((char *) RAW_ADDR (0x300000), 0x10000); 5416 grub_read ((char *) RAW_ADDR (0x310000), 0x10); 5417 grub_read ((char *) RAW_ADDR (0x310010), 0x7); 5418 grub_read ((char *) RAW_ADDR (0x310017), 0x10); 5419 grub_read ((char *) RAW_ADDR (0x310027), 0x999); 5420 grub_read ((char *) RAW_ADDR (0x3109c0), 0x100); 5421 5422 grub_printf ("\nHeader1 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n", 5423 *((int *) RAW_ADDR (0x200000)), 5424 *((int *) RAW_ADDR (0x200004)), 5425 *((int *) RAW_ADDR (0x200008)), 5426 *((int *) RAW_ADDR (0x20000c))); 5427 5428 grub_printf ("Header2 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n", 5429 *((int *) RAW_ADDR (0x300000)), 5430 *((int *) RAW_ADDR (0x300004)), 5431 *((int *) RAW_ADDR (0x300008)), 5432 *((int *) RAW_ADDR (0x30000c))); 5433 5434 for (i = 0; i < 0x10ac0; i++) 5435 if (*((unsigned char *) RAW_ADDR (0x200000 + i)) 5436 != *((unsigned char *) RAW_ADDR (0x300000 + i))) 5437 break; 5438 5439 grub_printf ("Max is 0x10ac0: i=0x%x, filepos=0x%x\n", i, filepos); 5440 disk_read_hook = 0; 5441 grub_close (); 5442 return 0; 5443 } 5444 5445 static struct builtin builtin_testload = 5446 { 5447 "testload", 5448 testload_func, 5449 BUILTIN_CMDLINE, 5450 "testload FILE", 5451 "Read the entire contents of FILE in several different ways and" 5452 " compares them, to test the filesystem code. The output is somewhat" 5453 " cryptic, but if no errors are reported and the final `i=X," 5454 " filepos=Y' reading has X and Y equal, then it is definitely" 5455 " consistent, and very likely works correctly subject to a" 5456 " consistent offset error. If this test succeeds, then a good next" 5457 " step is to try loading a kernel." 5458 }; 5459 5460 5461 /* testvbe MODE */ 5462 static int 5463 testvbe_func (char *arg, int flags) 5464 { 5465 int mode_number; 5466 struct vbe_controller controller; 5467 struct vbe_mode mode; 5468 5469 if (! *arg) 5470 { 5471 errnum = ERR_BAD_ARGUMENT; 5472 return 1; 5473 } 5474 5475 if (! safe_parse_maxint (&arg, &mode_number)) 5476 return 1; 5477 5478 /* Preset `VBE2'. */ 5479 grub_memmove (controller.signature, "VBE2", 4); 5480 5481 /* Detect VBE BIOS. */ 5482 if (get_vbe_controller_info (&controller) != 0x004F) 5483 { 5484 grub_printf (" VBE BIOS is not present.\n"); 5485 return 0; 5486 } 5487 5488 if (controller.version < 0x0200) 5489 { 5490 grub_printf (" VBE version %d.%d is not supported.\n", 5491 (int) (controller.version >> 8), 5492 (int) (controller.version & 0xFF)); 5493 return 0; 5494 } 5495 5496 if (get_vbe_mode_info (mode_number, &mode) != 0x004F 5497 || (mode.mode_attributes & 0x0091) != 0x0091) 5498 { 5499 grub_printf (" Mode 0x%x is not supported.\n", mode_number); 5500 return 0; 5501 } 5502 5503 /* Now trip to the graphics mode. */ 5504 if (set_vbe_mode (mode_number | (1 << 14)) != 0x004F) 5505 { 5506 grub_printf (" Switching to Mode 0x%x failed.\n", mode_number); 5507 return 0; 5508 } 5509 5510 /* Draw something on the screen... */ 5511 { 5512 unsigned char *base_buf = (unsigned char *) mode.phys_base; 5513 int scanline = controller.version >= 0x0300 5514 ? mode.linear_bytes_per_scanline : mode.bytes_per_scanline; 5515 /* FIXME: this assumes that any depth is a modulo of 8. */ 5516 int bpp = mode.bits_per_pixel / 8; 5517 int width = mode.x_resolution; 5518 int height = mode.y_resolution; 5519 int x, y; 5520 unsigned color = 0; 5521 5522 /* Iterate drawing on the screen, until the user hits any key. */ 5523 while (checkkey () == -1) 5524 { 5525 for (y = 0; y < height; y++) 5526 { 5527 unsigned char *line_buf = base_buf + scanline * y; 5528 5529 for (x = 0; x < width; x++) 5530 { 5531 unsigned char *buf = line_buf + bpp * x; 5532 int i; 5533 5534 for (i = 0; i < bpp; i++, buf++) 5535 *buf = (color >> (i * 8)) & 0xff; 5536 } 5537 5538 color++; 5539 } 5540 } 5541 5542 /* Discard the input. */ 5543 getkey (); 5544 } 5545 5546 /* Back to the default text mode. */ 5547 if (set_vbe_mode (0x03) != 0x004F) 5548 { 5549 /* Why?! */ 5550 grub_reboot (); 5551 } 5552 5553 return 0; 5554 } 5555 5556 static struct builtin builtin_testvbe = 5557 { 5558 "testvbe", 5559 testvbe_func, 5560 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5561 "testvbe MODE", 5562 "Test the VBE mode MODE. Hit any key to return." 5563 }; 5564 5565 5566 #ifdef SUPPORT_NETBOOT 5567 /* tftpserver */ 5568 static int 5569 tftpserver_func (char *arg, int flags) 5570 { 5571 if (! *arg || ! ifconfig (0, 0, 0, arg)) 5572 { 5573 errnum = ERR_BAD_ARGUMENT; 5574 return 1; 5575 } 5576 5577 print_network_configuration (); 5578 return 0; 5579 } 5580 5581 static struct builtin builtin_tftpserver = 5582 { 5583 "tftpserver", 5584 tftpserver_func, 5585 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 5586 "tftpserver IPADDR", 5587 "Override the TFTP server address." 5588 }; 5589 #endif /* SUPPORT_NETBOOT */ 5590 5591 5592 /* timeout */ 5593 static int 5594 timeout_func (char *arg, int flags) 5595 { 5596 if (! safe_parse_maxint (&arg, &grub_timeout)) 5597 return 1; 5598 5599 return 0; 5600 } 5601 5602 static struct builtin builtin_timeout = 5603 { 5604 "timeout", 5605 timeout_func, 5606 BUILTIN_MENU, 5607 #if 0 5608 "timeout SEC", 5609 "Set a timeout, in SEC seconds, before automatically booting the" 5610 " default entry (normally the first entry defined)." 5611 #endif 5612 }; 5613 5614 5615 /* title */ 5616 static int 5617 title_func (char *arg, int flags) 5618 { 5619 /* This function is not actually used at least currently. */ 5620 return 0; 5621 } 5622 5623 static struct builtin builtin_title = 5624 { 5625 "title", 5626 title_func, 5627 BUILTIN_TITLE, 5628 #if 0 5629 "title [NAME ...]", 5630 "Start a new boot entry, and set its name to the contents of the" 5631 " rest of the line, starting with the first non-space character." 5632 #endif 5633 }; 5634 5635 5636 /* unhide */ 5637 static int 5638 unhide_func (char *arg, int flags) 5639 { 5640 if (! set_device (arg)) 5641 return 1; 5642 5643 if (! set_partition_hidden_flag (0)) 5644 return 1; 5645 5646 return 0; 5647 } 5648 5649 static struct builtin builtin_unhide = 5650 { 5651 "unhide", 5652 unhide_func, 5653 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 5654 "unhide PARTITION", 5655 "Unhide PARTITION by clearing the \"hidden\" bit in its" 5656 " partition type code." 5657 }; 5658 5659 5660 /* uppermem */ 5661 static int 5662 uppermem_func (char *arg, int flags) 5663 { 5664 if (! safe_parse_maxint (&arg, (int *) &mbi.mem_upper)) 5665 return 1; 5666 5667 mbi.flags &= ~MB_INFO_MEM_MAP; 5668 return 0; 5669 } 5670 5671 static struct builtin builtin_uppermem = 5672 { 5673 "uppermem", 5674 uppermem_func, 5675 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5676 "uppermem KBYTES", 5677 "Force GRUB to assume that only KBYTES kilobytes of upper memory are" 5678 " installed. Any system address range maps are discarded." 5679 }; 5680 5681 5682 /* vbeprobe */ 5683 static int 5684 vbeprobe_func (char *arg, int flags) 5685 { 5686 struct vbe_controller controller; 5687 unsigned short *mode_list; 5688 int mode_number = -1; 5689 5690 auto unsigned long vbe_far_ptr_to_linear (unsigned long); 5691 5692 unsigned long vbe_far_ptr_to_linear (unsigned long ptr) 5693 { 5694 unsigned short seg = (ptr >> 16); 5695 unsigned short off = (ptr & 0xFFFF); 5696 5697 return (seg << 4) + off; 5698 } 5699 5700 if (*arg) 5701 { 5702 if (! safe_parse_maxint (&arg, &mode_number)) 5703 return 1; 5704 } 5705 5706 /* Set the signature to `VBE2', to obtain VBE 3.0 information. */ 5707 grub_memmove (controller.signature, "VBE2", 4); 5708 5709 if (get_vbe_controller_info (&controller) != 0x004F) 5710 { 5711 grub_printf (" VBE BIOS is not present.\n"); 5712 return 0; 5713 } 5714 5715 /* Check the version. */ 5716 if (controller.version < 0x0200) 5717 { 5718 grub_printf (" VBE version %d.%d is not supported.\n", 5719 (int) (controller.version >> 8), 5720 (int) (controller.version & 0xFF)); 5721 return 0; 5722 } 5723 5724 /* Print some information. */ 5725 grub_printf (" VBE version %d.%d\n", 5726 (int) (controller.version >> 8), 5727 (int) (controller.version & 0xFF)); 5728 5729 /* Iterate probing modes. */ 5730 for (mode_list 5731 = (unsigned short *) vbe_far_ptr_to_linear (controller.video_mode); 5732 *mode_list != 0xFFFF; 5733 mode_list++) 5734 { 5735 struct vbe_mode mode; 5736 5737 if (get_vbe_mode_info (*mode_list, &mode) != 0x004F) 5738 continue; 5739 5740 /* Skip this, if this is not supported or linear frame buffer 5741 mode is not support. */ 5742 if ((mode.mode_attributes & 0x0081) != 0x0081) 5743 continue; 5744 5745 if (mode_number == -1 || mode_number == *mode_list) 5746 { 5747 char *model; 5748 switch (mode.memory_model) 5749 { 5750 case 0x00: model = "Text"; break; 5751 case 0x01: model = "CGA graphics"; break; 5752 case 0x02: model = "Hercules graphics"; break; 5753 case 0x03: model = "Planar"; break; 5754 case 0x04: model = "Packed pixel"; break; 5755 case 0x05: model = "Non-chain 4, 256 color"; break; 5756 case 0x06: model = "Direct Color"; break; 5757 case 0x07: model = "YUV"; break; 5758 default: model = "Unknown"; break; 5759 } 5760 5761 grub_printf (" 0x%x: %s, %ux%ux%u\n", 5762 (unsigned) *mode_list, 5763 model, 5764 (unsigned) mode.x_resolution, 5765 (unsigned) mode.y_resolution, 5766 (unsigned) mode.bits_per_pixel); 5767 5768 if (mode_number != -1) 5769 break; 5770 } 5771 } 5772 5773 if (mode_number != -1 && mode_number != *mode_list) 5774 grub_printf (" Mode 0x%x is not found or supported.\n", mode_number); 5775 5776 return 0; 5777 } 5778 5779 static struct builtin builtin_vbeprobe = 5780 { 5781 "vbeprobe", 5782 vbeprobe_func, 5783 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5784 "vbeprobe [MODE]", 5785 "Probe VBE information. If the mode number MODE is specified, show only" 5786 " the information about only the mode." 5787 }; 5788 5789 5790 /* The table of builtin commands. Sorted in dictionary order. */ 5791 struct builtin *builtin_table[] = 5792 { 5793 #ifdef SUPPORT_GRAPHICS 5794 &builtin_background, 5795 #endif 5796 &builtin_blocklist, 5797 &builtin_boot, 5798 &builtin_bootfs, 5799 #ifdef SUPPORT_NETBOOT 5800 &builtin_bootp, 5801 #endif /* SUPPORT_NETBOOT */ 5802 &builtin_cat, 5803 &builtin_chainloader, 5804 &builtin_clear, 5805 &builtin_cmp, 5806 &builtin_color, 5807 &builtin_configfile, 5808 &builtin_debug, 5809 &builtin_default, 5810 #ifdef GRUB_UTIL 5811 &builtin_device, 5812 #endif /* GRUB_UTIL */ 5813 #ifdef SUPPORT_NETBOOT 5814 &builtin_dhcp, 5815 #endif /* SUPPORT_NETBOOT */ 5816 &builtin_displayapm, 5817 &builtin_displaymem, 5818 #ifdef GRUB_UTIL 5819 &builtin_dump, 5820 #endif /* GRUB_UTIL */ 5821 &builtin_embed, 5822 &builtin_fallback, 5823 &builtin_find, 5824 &builtin_findroot, 5825 #ifdef SUPPORT_GRAPHICS 5826 &builtin_foreground, 5827 #endif 5828 &builtin_fstest, 5829 &builtin_geometry, 5830 &builtin_halt, 5831 &builtin_help, 5832 &builtin_hiddenmenu, 5833 &builtin_hide, 5834 #ifdef SUPPORT_NETBOOT 5835 &builtin_ifconfig, 5836 #endif /* SUPPORT_NETBOOT */ 5837 &builtin_impsprobe, 5838 &builtin_initrd, 5839 &builtin_install, 5840 &builtin_ioprobe, 5841 &builtin_kernel, 5842 &builtin_kernel_dollar, 5843 &builtin_lock, 5844 &builtin_makeactive, 5845 &builtin_map, 5846 #ifdef USE_MD5_PASSWORDS 5847 &builtin_md5crypt, 5848 #endif /* USE_MD5_PASSWORDS */ 5849 &builtin_min_mem64, 5850 &builtin_module, 5851 &builtin_module_dollar, 5852 &builtin_modulenounzip, 5853 &builtin_pager, 5854 &builtin_partnew, 5855 &builtin_parttype, 5856 &builtin_password, 5857 &builtin_pause, 5858 #if defined(RPC_DEBUG) && defined(SUPPORT_NETBOOT) 5859 &builtin_portmap, 5860 #endif /* RPC_DEBUG && SUPPORT_NETBOOT */ 5861 #ifdef GRUB_UTIL 5862 &builtin_quit, 5863 #endif /* GRUB_UTIL */ 5864 #ifdef SUPPORT_NETBOOT 5865 &builtin_rarp, 5866 #endif /* SUPPORT_NETBOOT */ 5867 &builtin_read, 5868 &builtin_reboot, 5869 &builtin_root, 5870 &builtin_rootnoverify, 5871 &builtin_savedefault, 5872 #ifdef SUPPORT_SERIAL 5873 &builtin_serial, 5874 #endif /* SUPPORT_SERIAL */ 5875 &builtin_setkey, 5876 &builtin_setup, 5877 #ifdef SUPPORT_GRAPHICS 5878 &builtin_splashimage, 5879 #endif /* SUPPORT_GRAPHICS */ 5880 #if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) 5881 &builtin_terminal, 5882 #endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ 5883 #ifdef SUPPORT_SERIAL 5884 &builtin_terminfo, 5885 #endif /* SUPPORT_SERIAL */ 5886 &builtin_testload, 5887 &builtin_testvbe, 5888 #ifdef SUPPORT_NETBOOT 5889 &builtin_tftpserver, 5890 #endif /* SUPPORT_NETBOOT */ 5891 &builtin_timeout, 5892 &builtin_title, 5893 &builtin_unhide, 5894 &builtin_uppermem, 5895 &builtin_vbeprobe, 5896 &builtin_verbose, 5897 0 5898 }; 5899