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 /* Include stdio.h before shared.h, because we can't define 22 WITHOUT_LIBC_STUBS here. */ 23 #ifdef GRUB_UTIL 24 # include <stdio.h> 25 #endif 26 27 #include <shared.h> 28 #include <filesys.h> 29 #include <term.h> 30 31 #ifdef SUPPORT_NETBOOT 32 # include <grub.h> 33 #endif 34 35 #ifdef SUPPORT_SERIAL 36 # include <serial.h> 37 # include <terminfo.h> 38 #endif 39 40 #ifdef GRUB_UTIL 41 # include <device.h> 42 #else /* ! GRUB_UTIL */ 43 # include <apic.h> 44 # include <smp-imps.h> 45 #endif /* ! GRUB_UTIL */ 46 47 #ifdef USE_MD5_PASSWORDS 48 # include <md5.h> 49 #endif 50 51 #include <cpu.h> 52 53 /* The type of kernel loaded. */ 54 kernel_t kernel_type; 55 /* The boot device. */ 56 static int bootdev; 57 /* True when the debug mode is turned on, and false 58 when it is turned off. */ 59 int debug = 0; 60 /* The default entry. */ 61 int default_entry = 0; 62 /* The fallback entry. */ 63 int fallback_entryno; 64 int fallback_entries[MAX_FALLBACK_ENTRIES]; 65 /* The number of current entry. */ 66 int current_entryno; 67 /* The address for Multiboot command-line buffer. */ 68 static char *mb_cmdline; 69 /* The password. */ 70 char *password; 71 /* The password type. */ 72 password_t password_type; 73 /* The flag for indicating that the user is authoritative. */ 74 int auth = 0; 75 /* The timeout. */ 76 int grub_timeout = -1; 77 /* Whether to show the menu or not. */ 78 int show_menu = 1; 79 /* The BIOS drive map. */ 80 static unsigned short bios_drive_map[DRIVE_MAP_SIZE + 1]; 81 82 /* Prototypes for allowing straightfoward calling of builtins functions 83 inside other functions. */ 84 static int configfile_func (char *arg, int flags); 85 #ifdef SUPPORT_NETBOOT 86 static void solaris_config_file (void); 87 #endif 88 89 static unsigned int min_mem64 = 0; 90 91 #if defined(__sun) && !defined(GRUB_UTIL) 92 extern void __enable_execute_stack (void *); 93 void 94 __enable_execute_stack (void *addr) 95 { 96 } 97 #endif /* __sun && !GRUB_UTIL */ 98 99 /* Initialize the data for builtins. */ 100 void 101 init_builtins (void) 102 { 103 kernel_type = KERNEL_TYPE_NONE; 104 /* BSD and chainloading evil hacks! */ 105 bootdev = set_bootdev (0); 106 mb_cmdline = (char *) MB_CMDLINE_BUF; 107 } 108 109 /* Initialize the data for the configuration file. */ 110 void 111 init_config (void) 112 { 113 default_entry = 0; 114 password = 0; 115 fallback_entryno = -1; 116 fallback_entries[0] = -1; 117 grub_timeout = -1; 118 current_rootpool[0] = '\0'; 119 current_bootfs[0] = '\0'; 120 current_bootpath[0] = '\0'; 121 current_bootfs_obj = 0; 122 current_devid[0] = '\0'; 123 is_zfs_mount = 0; 124 } 125 126 /* Check a password for correctness. Returns 0 if password was 127 correct, and a value != 0 for error, similarly to strcmp. */ 128 int 129 check_password (char *entered, char* expected, password_t type) 130 { 131 switch (type) 132 { 133 case PASSWORD_PLAIN: 134 return strcmp (entered, expected); 135 136 #ifdef USE_MD5_PASSWORDS 137 case PASSWORD_MD5: 138 return check_md5_password (entered, expected); 139 #endif 140 default: 141 /* unsupported password type: be secure */ 142 return 1; 143 } 144 } 145 146 /* Print which sector is read when loading a file. */ 147 static void 148 disk_read_print_func(unsigned int sector, int offset, int length) 149 { 150 grub_printf ("[%u,%d,%d]", sector, offset, length); 151 } 152 153 154 /* blocklist */ 155 static int 156 blocklist_func (char *arg, int flags) 157 { 158 char *dummy = (char *) RAW_ADDR (0x100000); 159 unsigned int start_sector = 0; 160 int num_sectors = 0; 161 int num_entries = 0; 162 int last_length = 0; 163 164 auto void disk_read_blocklist_func (unsigned int sector, int offset, 165 int length); 166 167 /* Collect contiguous blocks into one entry as many as possible, 168 and print the blocklist notation on the screen. */ 169 auto void disk_read_blocklist_func (unsigned int sector, int offset, 170 int length) 171 { 172 if (num_sectors > 0) 173 { 174 if (start_sector + num_sectors == sector 175 && offset == 0 && last_length == SECTOR_SIZE) 176 { 177 num_sectors++; 178 last_length = length; 179 return; 180 } 181 else 182 { 183 if (last_length == SECTOR_SIZE) 184 grub_printf ("%s%d+%d", num_entries ? "," : "", 185 start_sector - part_start, num_sectors); 186 else if (num_sectors > 1) 187 grub_printf ("%s%d+%d,%d[0-%d]", num_entries ? "," : "", 188 start_sector - part_start, num_sectors-1, 189 start_sector + num_sectors-1 - part_start, 190 last_length); 191 else 192 grub_printf ("%s%d[0-%d]", num_entries ? "," : "", 193 start_sector - part_start, last_length); 194 num_entries++; 195 num_sectors = 0; 196 } 197 } 198 199 if (offset > 0) 200 { 201 grub_printf("%s%u[%d-%d]", num_entries ? "," : "", 202 sector-part_start, offset, offset+length); 203 num_entries++; 204 } 205 else 206 { 207 start_sector = sector; 208 num_sectors = 1; 209 last_length = length; 210 } 211 } 212 213 /* Open the file. */ 214 if (! grub_open (arg)) 215 return 1; 216 217 /* Print the device name. */ 218 grub_printf ("(%cd%d", 219 (current_drive & 0x80) ? 'h' : 'f', 220 current_drive & ~0x80); 221 222 if ((current_partition & 0xFF0000) != 0xFF0000) 223 grub_printf (",%d", (current_partition >> 16) & 0xFF); 224 225 if ((current_partition & 0x00FF00) != 0x00FF00) 226 grub_printf (",%c", 'a' + ((current_partition >> 8) & 0xFF)); 227 228 grub_printf (")"); 229 230 /* Read in the whole file to DUMMY. */ 231 disk_read_hook = disk_read_blocklist_func; 232 if (! grub_read (dummy, -1)) 233 goto fail; 234 235 /* The last entry may not be printed yet. Don't check if it is a 236 * full sector, since it doesn't matter if we read too much. */ 237 if (num_sectors > 0) 238 grub_printf ("%s%d+%d", num_entries ? "," : "", 239 start_sector - part_start, num_sectors); 240 241 grub_printf ("\n"); 242 243 fail: 244 disk_read_hook = 0; 245 grub_close (); 246 return errnum; 247 } 248 249 static struct builtin builtin_blocklist = 250 { 251 "blocklist", 252 blocklist_func, 253 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 254 "blocklist FILE", 255 "Print the blocklist notation of the file FILE." 256 }; 257 258 /* boot */ 259 static int 260 boot_func (char *arg, int flags) 261 { 262 /* Clear the int15 handler if we can boot the kernel successfully. 263 This assumes that the boot code never fails only if KERNEL_TYPE is 264 not KERNEL_TYPE_NONE. Is this assumption is bad? */ 265 if (kernel_type != KERNEL_TYPE_NONE) 266 unset_int15_handler (); 267 268 #ifdef SUPPORT_NETBOOT 269 /* Shut down the networking. */ 270 cleanup_net (); 271 #endif 272 273 switch (kernel_type) 274 { 275 case KERNEL_TYPE_FREEBSD: 276 case KERNEL_TYPE_NETBSD: 277 /* *BSD */ 278 bsd_boot (kernel_type, bootdev, (char *) mbi.cmdline); 279 break; 280 281 case KERNEL_TYPE_LINUX: 282 /* Linux */ 283 linux_boot (); 284 break; 285 286 case KERNEL_TYPE_BIG_LINUX: 287 /* Big Linux */ 288 big_linux_boot (); 289 break; 290 291 case KERNEL_TYPE_CHAINLOADER: 292 /* Chainloader */ 293 294 /* Check if we should set the int13 handler. */ 295 if (bios_drive_map[0] != 0) 296 { 297 int i; 298 299 /* Search for SAVED_DRIVE. */ 300 for (i = 0; i < DRIVE_MAP_SIZE; i++) 301 { 302 if (! bios_drive_map[i]) 303 break; 304 else if ((bios_drive_map[i] & 0xFF) == saved_drive) 305 { 306 /* Exchage SAVED_DRIVE with the mapped drive. */ 307 saved_drive = (bios_drive_map[i] >> 8) & 0xFF; 308 break; 309 } 310 } 311 312 /* Set the handler. This is somewhat dangerous. */ 313 set_int13_handler (bios_drive_map); 314 } 315 316 gateA20 (0); 317 boot_drive = saved_drive; 318 chain_stage1 (0, BOOTSEC_LOCATION, boot_part_addr); 319 break; 320 321 case KERNEL_TYPE_MULTIBOOT: 322 /* Multiboot */ 323 #ifdef SUPPORT_NETBOOT 324 #ifdef SOLARIS_NETBOOT 325 if (current_drive == NETWORK_DRIVE) { 326 /* 327 * XXX Solaris hack: use drive_info to pass network information 328 * Turn off the flag bit to the loader is technically 329 * multiboot compliant. 330 */ 331 mbi.flags &= ~MB_INFO_DRIVE_INFO; 332 mbi.drives_length = dhcpack_length; 333 mbi.drives_addr = dhcpack_buf; 334 } 335 #endif /* SOLARIS_NETBOOT */ 336 #endif 337 multi_boot ((int) entry_addr, (int) &mbi); 338 break; 339 340 default: 341 errnum = ERR_BOOT_COMMAND; 342 return 1; 343 } 344 345 return 0; 346 } 347 348 static struct builtin builtin_boot = 349 { 350 "boot", 351 boot_func, 352 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 353 "boot", 354 "Boot the OS/chain-loader which has been loaded." 355 }; 356 357 358 #ifdef SUPPORT_NETBOOT 359 /* bootp */ 360 static int 361 bootp_func (char *arg, int flags) 362 { 363 int with_configfile = 0; 364 365 if (grub_memcmp (arg, "--with-configfile", sizeof ("--with-configfile") - 1) 366 == 0) 367 { 368 with_configfile = 1; 369 arg = skip_to (0, arg); 370 } 371 372 if (! bootp ()) 373 { 374 if (errnum == ERR_NONE) 375 errnum = ERR_DEV_VALUES; 376 377 return 1; 378 } 379 380 /* Notify the configuration. */ 381 print_network_configuration (); 382 383 /* XXX: this can cause an endless loop, but there is no easy way to 384 detect such a loop unfortunately. */ 385 if (with_configfile) 386 configfile_func (config_file, flags); 387 388 return 0; 389 } 390 391 static struct builtin builtin_bootp = 392 { 393 "bootp", 394 bootp_func, 395 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 396 "bootp [--with-configfile]", 397 "Initialize a network device via BOOTP. If the option `--with-configfile'" 398 " is given, try to load a configuration file specified by the 150 vendor" 399 " tag." 400 }; 401 #endif /* SUPPORT_NETBOOT */ 402 403 404 /* cat */ 405 static int 406 cat_func (char *arg, int flags) 407 { 408 char c; 409 410 if (! grub_open (arg)) 411 return 1; 412 413 while (grub_read (&c, 1)) 414 { 415 /* Because running "cat" with a binary file can confuse the terminal, 416 print only some characters as they are. */ 417 if (grub_isspace (c) || (c >= ' ' && c <= '~')) 418 grub_putchar (c); 419 else 420 grub_putchar ('?'); 421 } 422 423 grub_close (); 424 return 0; 425 } 426 427 static struct builtin builtin_cat = 428 { 429 "cat", 430 cat_func, 431 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 432 "cat FILE", 433 "Print the contents of the file FILE." 434 }; 435 436 437 /* chainloader */ 438 static int 439 chainloader_func (char *arg, int flags) 440 { 441 int force = 0; 442 char *file = arg; 443 444 /* If the option `--force' is specified? */ 445 if (substring ("--force", arg) <= 0) 446 { 447 force = 1; 448 file = skip_to (0, arg); 449 } 450 451 /* Open the file. */ 452 if (! grub_open (file)) 453 { 454 kernel_type = KERNEL_TYPE_NONE; 455 return 1; 456 } 457 458 /* Read the first block. */ 459 if (grub_read ((char *) BOOTSEC_LOCATION, SECTOR_SIZE) != SECTOR_SIZE) 460 { 461 grub_close (); 462 kernel_type = KERNEL_TYPE_NONE; 463 464 /* This below happens, if a file whose size is less than 512 bytes 465 is loaded. */ 466 if (errnum == ERR_NONE) 467 errnum = ERR_EXEC_FORMAT; 468 469 return 1; 470 } 471 472 /* If not loading it forcibly, check for the signature. */ 473 if (! force 474 && (*((unsigned short *) (BOOTSEC_LOCATION + BOOTSEC_SIG_OFFSET)) 475 != BOOTSEC_SIGNATURE)) 476 { 477 grub_close (); 478 errnum = ERR_EXEC_FORMAT; 479 kernel_type = KERNEL_TYPE_NONE; 480 return 1; 481 } 482 483 grub_close (); 484 kernel_type = KERNEL_TYPE_CHAINLOADER; 485 486 /* XXX: Windows evil hack. For now, only the first five letters are 487 checked. */ 488 if (IS_PC_SLICE_TYPE_FAT (current_slice) 489 && ! grub_memcmp ((char *) BOOTSEC_LOCATION + BOOTSEC_BPB_SYSTEM_ID, 490 "MSWIN", 5)) 491 *((unsigned long *) (BOOTSEC_LOCATION + BOOTSEC_BPB_HIDDEN_SECTORS)) 492 = part_start; 493 494 errnum = ERR_NONE; 495 496 return 0; 497 } 498 499 static struct builtin builtin_chainloader = 500 { 501 "chainloader", 502 chainloader_func, 503 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 504 "chainloader [--force] FILE", 505 "Load the chain-loader FILE. If --force is specified, then load it" 506 " forcibly, whether the boot loader signature is present or not." 507 }; 508 509 510 /* This function could be used to debug new filesystem code. Put a file 511 in the new filesystem and the same file in a well-tested filesystem. 512 Then, run "cmp" with the files. If no output is obtained, probably 513 the code is good, otherwise investigate what's wrong... */ 514 /* cmp FILE1 FILE2 */ 515 static int 516 cmp_func (char *arg, int flags) 517 { 518 /* The filenames. */ 519 char *file1, *file2; 520 /* The addresses. */ 521 char *addr1, *addr2; 522 int i; 523 /* The size of the file. */ 524 int size; 525 526 /* Get the filenames from ARG. */ 527 file1 = arg; 528 file2 = skip_to (0, arg); 529 if (! *file1 || ! *file2) 530 { 531 errnum = ERR_BAD_ARGUMENT; 532 return 1; 533 } 534 535 /* Terminate the filenames for convenience. */ 536 nul_terminate (file1); 537 nul_terminate (file2); 538 539 /* Read the whole data from FILE1. */ 540 addr1 = (char *) RAW_ADDR (0x100000); 541 if (! grub_open (file1)) 542 return 1; 543 544 /* Get the size. */ 545 size = filemax; 546 if (grub_read (addr1, -1) != size) 547 { 548 grub_close (); 549 return 1; 550 } 551 552 grub_close (); 553 554 /* Read the whole data from FILE2. */ 555 addr2 = addr1 + size; 556 if (! grub_open (file2)) 557 return 1; 558 559 /* Check if the size of FILE2 is equal to the one of FILE2. */ 560 if (size != filemax) 561 { 562 grub_printf ("Differ in size: 0x%x [%s], 0x%x [%s]\n", 563 size, file1, filemax, file2); 564 grub_close (); 565 return 0; 566 } 567 568 if (! grub_read (addr2, -1)) 569 { 570 grub_close (); 571 return 1; 572 } 573 574 grub_close (); 575 576 /* Now compare ADDR1 with ADDR2. */ 577 for (i = 0; i < size; i++) 578 { 579 if (addr1[i] != addr2[i]) 580 grub_printf ("Differ at the offset %d: 0x%x [%s], 0x%x [%s]\n", 581 i, (unsigned) addr1[i], file1, 582 (unsigned) addr2[i], file2); 583 } 584 585 return 0; 586 } 587 588 static struct builtin builtin_cmp = 589 { 590 "cmp", 591 cmp_func, 592 BUILTIN_CMDLINE, 593 "cmp FILE1 FILE2", 594 "Compare the file FILE1 with the FILE2 and inform the different values" 595 " if any." 596 }; 597 598 599 /* color */ 600 /* Set new colors used for the menu interface. Support two methods to 601 specify a color name: a direct integer representation and a symbolic 602 color name. An example of the latter is "blink-light-gray/blue". */ 603 static int 604 color_func (char *arg, int flags) 605 { 606 char *normal; 607 char *highlight; 608 int new_normal_color; 609 int new_highlight_color; 610 static char *color_list[16] = 611 { 612 "black", 613 "blue", 614 "green", 615 "cyan", 616 "red", 617 "magenta", 618 "brown", 619 "light-gray", 620 "dark-gray", 621 "light-blue", 622 "light-green", 623 "light-cyan", 624 "light-red", 625 "light-magenta", 626 "yellow", 627 "white" 628 }; 629 630 auto int color_number (char *str); 631 632 /* Convert the color name STR into the magical number. */ 633 auto int color_number (char *str) 634 { 635 char *ptr; 636 int i; 637 int color = 0; 638 639 /* Find the separator. */ 640 for (ptr = str; *ptr && *ptr != '/'; ptr++) 641 ; 642 643 /* If not found, return -1. */ 644 if (! *ptr) 645 return -1; 646 647 /* Terminate the string STR. */ 648 *ptr++ = 0; 649 650 /* If STR contains the prefix "blink-", then set the `blink' bit 651 in COLOR. */ 652 if (substring ("blink-", str) <= 0) 653 { 654 color = 0x80; 655 str += 6; 656 } 657 658 /* Search for the color name. */ 659 for (i = 0; i < 16; i++) 660 if (grub_strcmp (color_list[i], str) == 0) 661 { 662 color |= i; 663 break; 664 } 665 666 if (i == 16) 667 return -1; 668 669 str = ptr; 670 nul_terminate (str); 671 672 /* Search for the color name. */ 673 for (i = 0; i < 8; i++) 674 if (grub_strcmp (color_list[i], str) == 0) 675 { 676 color |= i << 4; 677 break; 678 } 679 680 if (i == 8) 681 return -1; 682 683 return color; 684 } 685 686 normal = arg; 687 highlight = skip_to (0, arg); 688 689 new_normal_color = color_number (normal); 690 if (new_normal_color < 0 && ! safe_parse_maxint (&normal, &new_normal_color)) 691 return 1; 692 693 /* The second argument is optional, so set highlight_color 694 to inverted NORMAL_COLOR. */ 695 if (! *highlight) 696 new_highlight_color = ((new_normal_color >> 4) 697 | ((new_normal_color & 0xf) << 4)); 698 else 699 { 700 new_highlight_color = color_number (highlight); 701 if (new_highlight_color < 0 702 && ! safe_parse_maxint (&highlight, &new_highlight_color)) 703 return 1; 704 } 705 706 if (current_term->setcolor) 707 current_term->setcolor (new_normal_color, new_highlight_color); 708 709 return 0; 710 } 711 712 static struct builtin builtin_color = 713 { 714 "color", 715 color_func, 716 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 717 "color NORMAL [HIGHLIGHT]", 718 "Change the menu colors. The color NORMAL is used for most" 719 " lines in the menu, and the color HIGHLIGHT is used to highlight the" 720 " line where the cursor points. If you omit HIGHLIGHT, then the" 721 " inverted color of NORMAL is used for the highlighted line." 722 " The format of a color is \"FG/BG\". FG and BG are symbolic color names." 723 " A symbolic color name must be one of these: black, blue, green," 724 " cyan, red, magenta, brown, light-gray, dark-gray, light-blue," 725 " light-green, light-cyan, light-red, light-magenta, yellow and white." 726 " But only the first eight names can be used for BG. You can prefix" 727 " \"blink-\" to FG if you want a blinking foreground color." 728 }; 729 730 731 /* configfile */ 732 static int 733 configfile_func (char *arg, int flags) 734 { 735 char *new_config = config_file; 736 737 /* Check if the file ARG is present. */ 738 if (! grub_open (arg)) 739 return 1; 740 741 grub_close (); 742 743 /* Copy ARG to CONFIG_FILE. */ 744 while ((*new_config++ = *arg++) != 0) 745 ; 746 747 #ifdef GRUB_UTIL 748 /* Force to load the configuration file. */ 749 use_config_file = 1; 750 #endif 751 752 /* Make sure that the user will not be authoritative. */ 753 auth = 0; 754 755 /* Restart cmain. */ 756 grub_longjmp (restart_env, 0); 757 758 /* Never reach here. */ 759 return 0; 760 } 761 762 static struct builtin builtin_configfile = 763 { 764 "configfile", 765 configfile_func, 766 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 767 "configfile FILE", 768 "Load FILE as the configuration file." 769 }; 770 771 772 /* debug */ 773 static int 774 debug_func (char *arg, int flags) 775 { 776 if (debug) 777 { 778 debug = 0; 779 grub_printf (" Debug mode is turned off\n"); 780 } 781 else 782 { 783 debug = 1; 784 grub_printf (" Debug mode is turned on\n"); 785 } 786 787 return 0; 788 } 789 790 static struct builtin builtin_debug = 791 { 792 "debug", 793 debug_func, 794 BUILTIN_CMDLINE, 795 "debug", 796 "Turn on/off the debug mode." 797 }; 798 799 800 /* default */ 801 static int 802 default_func (char *arg, int flags) 803 { 804 #ifndef SUPPORT_DISKLESS 805 if (grub_strcmp (arg, "saved") == 0) 806 { 807 default_entry = saved_entryno; 808 return 0; 809 } 810 #endif /* SUPPORT_DISKLESS */ 811 812 if (! safe_parse_maxint (&arg, &default_entry)) 813 return 1; 814 815 return 0; 816 } 817 818 static struct builtin builtin_default = 819 { 820 "default", 821 default_func, 822 BUILTIN_MENU, 823 #if 0 824 "default [NUM | `saved']", 825 "Set the default entry to entry number NUM (if not specified, it is" 826 " 0, the first entry) or the entry number saved by savedefault." 827 #endif 828 }; 829 830 831 #ifdef GRUB_UTIL 832 /* device */ 833 static int 834 device_func (char *arg, int flags) 835 { 836 char *drive = arg; 837 char *device; 838 839 /* Get the drive number from DRIVE. */ 840 if (! set_device (drive)) 841 return 1; 842 843 /* Get the device argument. */ 844 device = skip_to (0, drive); 845 846 /* Terminate DEVICE. */ 847 nul_terminate (device); 848 849 if (! *device || ! check_device (device)) 850 { 851 errnum = ERR_FILE_NOT_FOUND; 852 return 1; 853 } 854 855 assign_device_name (current_drive, device); 856 857 return 0; 858 } 859 860 static struct builtin builtin_device = 861 { 862 "device", 863 device_func, 864 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 865 "device DRIVE DEVICE", 866 "Specify DEVICE as the actual drive for a BIOS drive DRIVE. This command" 867 " can be used only in the grub shell." 868 }; 869 #endif /* GRUB_UTIL */ 870 871 #ifdef SUPPORT_NETBOOT 872 /* Debug Function for RPC */ 873 #ifdef RPC_DEBUG 874 /* portmap */ 875 static int 876 portmap_func (char *arg, int flags) 877 { 878 int port, prog, ver; 879 if (! grub_eth_probe ()){ 880 grub_printf ("No ethernet card found.\n"); 881 errnum = ERR_DEV_VALUES; 882 return 1; 883 } 884 if ((prog = getdec(&arg)) == -1){ 885 grub_printf("Error prog number\n"); 886 return 1; 887 } 888 arg = skip_to (0, arg); 889 if ((ver = getdec(&arg)) == -1){ 890 grub_printf("Error ver number\n"); 891 return 1; 892 } 893 port = __pmapudp_getport(ARP_SERVER, prog, ver); 894 printf("portmap getport %d", port); 895 return 0; 896 } 897 898 static struct builtin builtin_portmap = 899 { 900 "portmap", 901 portmap_func, 902 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 903 "portmap prog_number vers_number", 904 "Do portmap with the prog_number and vers_number" 905 }; 906 #endif /* RPC_DEBUG */ 907 908 /* dhcp */ 909 static int 910 dhcp_func (char *arg, int flags) 911 { 912 int with_configfile = 0; 913 914 if (grub_memcmp (arg, "--with-configfile", sizeof ("--with-configfile") - 1) 915 == 0) 916 { 917 with_configfile = 1; 918 arg = skip_to (0, arg); 919 } 920 921 if (! dhcp ()) 922 { 923 if (errnum == ERR_NONE) 924 errnum = ERR_DEV_VALUES; 925 926 return 1; 927 } 928 929 /* Notify the configuration. */ 930 print_network_configuration (); 931 932 /* XXX: this can cause an endless loop, but there is no easy way to 933 detect such a loop unfortunately. */ 934 if (with_configfile) 935 configfile_func (config_file, flags); 936 else 937 solaris_config_file(); 938 939 return 0; 940 } 941 942 static int 943 test_config_file(char *menufile) 944 { 945 int err; 946 947 /* 948 * If the file exists, make it the default. Else, fallback 949 * to what it was. Make sure we don't change errnum in the 950 * process. 951 */ 952 err = errnum; 953 if (grub_open(menufile)) { 954 grub_strcpy(config_file, menufile); 955 grub_close(); 956 errnum = err; 957 return (1); 958 } 959 errnum = err; 960 return (0); 961 } 962 963 static void solaris_config_file (void) 964 { 965 static char menufile[64]; 966 static char hexdigit[] = "0123456789ABCDEF"; 967 char *c = menufile; 968 int i; 969 970 /* 971 * if DHCP option 150 has been provided, config_file will 972 * already contain the string, try it. 973 */ 974 if (configfile_origin == CFG_150) { 975 if (test_config_file(config_file)) 976 return; 977 } 978 979 /* 980 * try to find host (MAC address) specific configfile: 981 * menu.lst.01<ether_addr> 982 */ 983 grub_strcpy(c, "menu.lst.01"); 984 c += grub_strlen(c); 985 for (i = 0; i < ETH_ALEN; i++) { 986 unsigned char b = arptable[ARP_CLIENT].node[i]; 987 *c++ = hexdigit[b >> 4]; 988 *c++ = hexdigit[b & 0xf]; 989 } 990 *c = 0; 991 configfile_origin = CFG_MAC; 992 if (test_config_file(menufile)) 993 return; 994 995 /* 996 * try to find a configfile derived from the DHCP/bootp 997 * BootFile string: menu.lst.<BootFile> 998 */ 999 if (bootfile != NULL && bootfile[0] != 0) { 1000 c = menufile; 1001 grub_strcpy(c, "menu.lst."); 1002 c += grub_strlen("menu.lst."); 1003 i = grub_strlen("pxegrub."); 1004 if (grub_memcmp(bootfile, "pxegrub.", i) == 0) 1005 grub_strcpy(c, bootfile + i); 1006 else 1007 grub_strcpy(c, bootfile); 1008 configfile_origin = CFG_BOOTFILE; 1009 if (test_config_file(menufile)) 1010 return; 1011 } 1012 1013 /* 1014 * Default to hard coded "/boot/grub/menu.lst" config file. 1015 * This is the last resort, so there's no need to test it, 1016 * as there's nothing else to try. 1017 */ 1018 char *cp = config_file; 1019 /* skip leading slashes for tftp */ 1020 while (*cp == '/') 1021 ++cp; 1022 grub_memmove (config_file, cp, strlen(cp) + 1); 1023 configfile_origin = CFG_HARDCODED; 1024 } 1025 1026 static struct builtin builtin_dhcp = 1027 { 1028 "dhcp", 1029 dhcp_func, 1030 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 1031 "dhcp", 1032 "Initialize a network device via DHCP." 1033 }; 1034 #endif /* SUPPORT_NETBOOT */ 1035 1036 static int terminal_func (char *arg, int flags); 1037 1038 static int verbose_func(char *arg, int flags) { 1039 1040 if (grub_strcmp(arg, "off") == 0) { 1041 silent.status = DEFER_SILENT; 1042 return; 1043 } else 1044 if (flags == BUILTIN_CMDLINE) { 1045 silent.status = DEFER_VERBOSE; 1046 return; 1047 } 1048 1049 silent.status = VERBOSE; 1050 1051 /* get back to text console */ 1052 if (current_term->shutdown) { 1053 (*current_term->shutdown)(); 1054 current_term = term_table; /* assumption: console is first */ 1055 } 1056 1057 /* dump the buffer */ 1058 if (!silent.looped) { 1059 /* if the buffer hasn't looped, just print it */ 1060 printf("%s", silent.buffer); 1061 } else { 1062 /* 1063 * If the buffer has looped, first print the oldest part of the buffer, 1064 * which is one past the current null. Then print the newer part which 1065 * starts at the beginning of the buffer. 1066 */ 1067 printf("%s", silent.buffer_start + 1); 1068 printf("%s", silent.buffer); 1069 } 1070 1071 return 0; 1072 } 1073 1074 static struct builtin builtin_verbose = 1075 { 1076 "verbose", 1077 verbose_func, 1078 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 1079 "verbose", 1080 "Verbose output during menu entry (script) execution." 1081 }; 1082 1083 #ifdef SUPPORT_GRAPHICS 1084 1085 static int splashimage_func(char *arg, int flags) { 1086 char splashimage[64]; 1087 int i; 1088 1089 /* filename can only be 64 characters due to our buffer size */ 1090 if (strlen(arg) > 63) 1091 return 1; 1092 1093 if (flags == BUILTIN_SCRIPT) 1094 flags = BUILTIN_CMDLINE; 1095 1096 if (flags == BUILTIN_CMDLINE) { 1097 if (!grub_open(arg)) 1098 return 1; 1099 grub_close(); 1100 } 1101 1102 strcpy(splashimage, arg); 1103 1104 /* get rid of TERM_NEED_INIT from the graphics terminal. */ 1105 for (i = 0; term_table[i].name; i++) { 1106 if (grub_strcmp (term_table[i].name, "graphics") == 0) { 1107 term_table[i].flags &= ~TERM_NEED_INIT; 1108 break; 1109 } 1110 } 1111 1112 graphics_set_splash(splashimage); 1113 1114 if (flags == BUILTIN_CMDLINE && graphics_inited) { 1115 /* 1116 * calling graphics_end() here flickers the screen black. OTOH not 1117 * calling it gets us odd plane interlacing / early palette switching ? 1118 * ideally one should figure out how to double buffer and switch... 1119 */ 1120 graphics_end(); 1121 graphics_init(); 1122 graphics_cls(); 1123 } 1124 1125 /* 1126 * This call does not explicitly initialize graphics mode, but rather 1127 * simply sets the terminal type unless we're in command line mode and 1128 * call this function while in terminal mode. 1129 */ 1130 terminal_func("graphics", flags); 1131 1132 reset_term = 0; 1133 1134 return 0; 1135 } 1136 1137 static struct builtin builtin_splashimage = 1138 { 1139 "splashimage", 1140 splashimage_func, 1141 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 1142 "splashimage FILE", 1143 "Load FILE as the background image when in graphics mode." 1144 }; 1145 1146 1147 /* foreground */ 1148 static int 1149 foreground_func(char *arg, int flags) 1150 { 1151 if (grub_strlen(arg) == 6) { 1152 int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2; 1153 int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2; 1154 int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2; 1155 1156 foreground = (r << 16) | (g << 8) | b; 1157 if (graphics_inited) 1158 graphics_set_palette(15, r, g, b); 1159 1160 return (0); 1161 } 1162 1163 return (1); 1164 } 1165 1166 static struct builtin builtin_foreground = 1167 { 1168 "foreground", 1169 foreground_func, 1170 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST | BUILTIN_SCRIPT, 1171 "foreground RRGGBB", 1172 "Sets the foreground color when in graphics mode." 1173 "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal." 1174 }; 1175 1176 1177 /* background */ 1178 static int 1179 background_func(char *arg, int flags) 1180 { 1181 if (grub_strlen(arg) == 6) { 1182 int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2; 1183 int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2; 1184 int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2; 1185 1186 background = (r << 16) | (g << 8) | b; 1187 if (graphics_inited) 1188 graphics_set_palette(0, r, g, b); 1189 return (0); 1190 } 1191 1192 return (1); 1193 } 1194 1195 static struct builtin builtin_background = 1196 { 1197 "background", 1198 background_func, 1199 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST | BUILTIN_SCRIPT, 1200 "background RRGGBB", 1201 "Sets the background color when in graphics mode." 1202 "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal." 1203 }; 1204 1205 #endif /* SUPPORT_GRAPHICS */ 1206 1207 1208 /* clear */ 1209 static int 1210 clear_func() 1211 { 1212 if (current_term->cls) 1213 current_term->cls(); 1214 1215 return 0; 1216 } 1217 1218 static struct builtin builtin_clear = 1219 { 1220 "clear", 1221 clear_func, 1222 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1223 "clear", 1224 "Clear the screen" 1225 }; 1226 1227 /* displayapm */ 1228 static int 1229 displayapm_func (char *arg, int flags) 1230 { 1231 if (mbi.flags & MB_INFO_APM_TABLE) 1232 { 1233 grub_printf ("APM BIOS information:\n" 1234 " Version: 0x%x\n" 1235 " 32-bit CS: 0x%x\n" 1236 " Offset: 0x%x\n" 1237 " 16-bit CS: 0x%x\n" 1238 " 16-bit DS: 0x%x\n" 1239 " 32-bit CS length: 0x%x\n" 1240 " 16-bit CS length: 0x%x\n" 1241 " 16-bit DS length: 0x%x\n", 1242 (unsigned) apm_bios_info.version, 1243 (unsigned) apm_bios_info.cseg, 1244 apm_bios_info.offset, 1245 (unsigned) apm_bios_info.cseg_16, 1246 (unsigned) apm_bios_info.dseg_16, 1247 (unsigned) apm_bios_info.cseg_len, 1248 (unsigned) apm_bios_info.cseg_16_len, 1249 (unsigned) apm_bios_info.dseg_16_len); 1250 } 1251 else 1252 { 1253 grub_printf ("No APM BIOS found or probe failed\n"); 1254 } 1255 1256 return 0; 1257 } 1258 1259 static struct builtin builtin_displayapm = 1260 { 1261 "displayapm", 1262 displayapm_func, 1263 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1264 "displayapm", 1265 "Display APM BIOS information." 1266 }; 1267 1268 1269 /* displaymem */ 1270 static int 1271 displaymem_func (char *arg, int flags) 1272 { 1273 if (get_eisamemsize () != -1) 1274 grub_printf (" EISA Memory BIOS Interface is present\n"); 1275 if (get_mmap_entry ((void *) SCRATCHADDR, 0) != 0 1276 || *((int *) SCRATCHADDR) != 0) 1277 grub_printf (" Address Map BIOS Interface is present\n"); 1278 1279 grub_printf (" Lower memory: %uK, " 1280 "Upper memory (to first chipset hole): %uK\n", 1281 mbi.mem_lower, mbi.mem_upper); 1282 1283 if (min_mem64 != 0) 1284 grub_printf (" Memory limit for 64-bit ISADIR expansion: %uMB\n", 1285 min_mem64); 1286 1287 if (mbi.flags & MB_INFO_MEM_MAP) 1288 { 1289 struct AddrRangeDesc *map = (struct AddrRangeDesc *) mbi.mmap_addr; 1290 int end_addr = mbi.mmap_addr + mbi.mmap_length; 1291 1292 grub_printf (" [Address Range Descriptor entries " 1293 "immediately follow (values are 64-bit)]\n"); 1294 while (end_addr > (int) map) 1295 { 1296 char *str; 1297 1298 if (map->Type == MB_ARD_MEMORY) 1299 str = "Usable RAM"; 1300 else 1301 str = "Reserved"; 1302 grub_printf (" %s: Base Address: 0x%x X 4GB + 0x%x,\n" 1303 " Length: 0x%x X 4GB + 0x%x bytes\n", 1304 str, 1305 (unsigned long) (map->BaseAddr >> 32), 1306 (unsigned long) (map->BaseAddr & 0xFFFFFFFF), 1307 (unsigned long) (map->Length >> 32), 1308 (unsigned long) (map->Length & 0xFFFFFFFF)); 1309 1310 map = ((struct AddrRangeDesc *) (((int) map) + 4 + map->size)); 1311 } 1312 } 1313 1314 return 0; 1315 } 1316 1317 static struct builtin builtin_displaymem = 1318 { 1319 "displaymem", 1320 displaymem_func, 1321 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1322 "displaymem", 1323 "Display what GRUB thinks the system address space map of the" 1324 " machine is, including all regions of physical RAM installed." 1325 }; 1326 1327 1328 /* dump FROM TO */ 1329 #ifdef GRUB_UTIL 1330 static int 1331 dump_func (char *arg, int flags) 1332 { 1333 char *from, *to; 1334 FILE *fp; 1335 char c; 1336 1337 from = arg; 1338 to = skip_to (0, arg); 1339 if (! *from || ! *to) 1340 { 1341 errnum = ERR_BAD_ARGUMENT; 1342 return 1; 1343 } 1344 1345 nul_terminate (from); 1346 nul_terminate (to); 1347 1348 if (! grub_open (from)) 1349 return 1; 1350 1351 fp = fopen (to, "w"); 1352 if (! fp) 1353 { 1354 errnum = ERR_WRITE; 1355 return 1; 1356 } 1357 1358 while (grub_read (&c, 1)) 1359 if (fputc (c, fp) == EOF) 1360 { 1361 errnum = ERR_WRITE; 1362 fclose (fp); 1363 return 1; 1364 } 1365 1366 if (fclose (fp) == EOF) 1367 { 1368 errnum = ERR_WRITE; 1369 return 1; 1370 } 1371 1372 grub_close (); 1373 return 0; 1374 } 1375 1376 static struct builtin builtin_dump = 1377 { 1378 "dump", 1379 dump_func, 1380 BUILTIN_CMDLINE, 1381 "dump FROM TO", 1382 "Dump the contents of the file FROM to the file TO. FROM must be" 1383 " a GRUB file and TO must be an OS file." 1384 }; 1385 #endif /* GRUB_UTIL */ 1386 1387 1388 static char embed_info[32]; 1389 /* embed */ 1390 /* Embed a Stage 1.5 in the first cylinder after MBR or in the 1391 bootloader block in a FFS. */ 1392 static int 1393 embed_func (char *arg, int flags) 1394 { 1395 char *stage1_5; 1396 char *device; 1397 char *stage1_5_buffer = (char *) RAW_ADDR (0x100000); 1398 int len, size; 1399 int sector; 1400 1401 stage1_5 = arg; 1402 device = skip_to (0, stage1_5); 1403 1404 /* Open a Stage 1.5. */ 1405 if (! grub_open (stage1_5)) 1406 return 1; 1407 1408 /* Read the whole of the Stage 1.5. */ 1409 len = grub_read (stage1_5_buffer, -1); 1410 grub_close (); 1411 1412 if (errnum) 1413 return 1; 1414 1415 size = (len + SECTOR_SIZE - 1) / SECTOR_SIZE; 1416 1417 /* Get the device where the Stage 1.5 will be embedded. */ 1418 set_device (device); 1419 if (errnum) 1420 return 1; 1421 1422 if (current_partition == 0xFFFFFF) 1423 { 1424 /* Embed it after the MBR. */ 1425 1426 char mbr[SECTOR_SIZE]; 1427 char ezbios_check[2*SECTOR_SIZE]; 1428 int i; 1429 1430 /* Open the partition. */ 1431 if (! open_partition ()) 1432 return 1; 1433 1434 /* No floppy has MBR. */ 1435 if (! (current_drive & 0x80)) 1436 { 1437 errnum = ERR_DEV_VALUES; 1438 return 1; 1439 } 1440 1441 /* Read the MBR of CURRENT_DRIVE. */ 1442 if (! rawread (current_drive, PC_MBR_SECTOR, 0, SECTOR_SIZE, mbr)) 1443 return 1; 1444 1445 /* Sanity check. */ 1446 if (! PC_MBR_CHECK_SIG (mbr)) 1447 { 1448 errnum = ERR_BAD_PART_TABLE; 1449 return 1; 1450 } 1451 1452 /* Check if the disk can store the Stage 1.5. */ 1453 for (i = 0; i < 4; i++) 1454 if (PC_SLICE_TYPE (mbr, i) && PC_SLICE_START (mbr, i) - 1 < size) 1455 { 1456 errnum = ERR_NO_DISK_SPACE; 1457 return 1; 1458 } 1459 1460 /* Check for EZ-BIOS signature. It should be in the third 1461 * sector, but due to remapping it can appear in the second, so 1462 * load and check both. 1463 */ 1464 if (! rawread (current_drive, 1, 0, 2 * SECTOR_SIZE, ezbios_check)) 1465 return 1; 1466 1467 if (! memcmp (ezbios_check + 3, "AERMH", 5) 1468 || ! memcmp (ezbios_check + 512 + 3, "AERMH", 5)) 1469 { 1470 /* The space after the MBR is used by EZ-BIOS which we must 1471 * not overwrite. 1472 */ 1473 errnum = ERR_NO_DISK_SPACE; 1474 return 1; 1475 } 1476 1477 sector = 1; 1478 } 1479 else 1480 { 1481 /* Embed it in the bootloader block in the filesystem. */ 1482 int start_sector; 1483 1484 /* Open the partition. */ 1485 if (! open_device ()) 1486 return 1; 1487 1488 /* Check if the current slice supports embedding. */ 1489 if (fsys_table[fsys_type].embed_func == 0 1490 || ! fsys_table[fsys_type].embed_func (&start_sector, size)) 1491 { 1492 errnum = ERR_DEV_VALUES; 1493 return 1; 1494 } 1495 1496 sector = part_start + start_sector; 1497 } 1498 1499 /* Clear the cache. */ 1500 buf_track = BUF_CACHE_INVALID; 1501 1502 /* Now perform the embedding. */ 1503 if (! devwrite (sector - part_start, size, stage1_5_buffer)) 1504 return 1; 1505 1506 grub_printf (" %d sectors are embedded.\n", size); 1507 grub_sprintf (embed_info, "%d+%d", sector - part_start, size); 1508 return 0; 1509 } 1510 1511 static struct builtin builtin_embed = 1512 { 1513 "embed", 1514 embed_func, 1515 BUILTIN_CMDLINE, 1516 "embed STAGE1_5 DEVICE", 1517 "Embed the Stage 1.5 STAGE1_5 in the sectors after MBR if DEVICE" 1518 " is a drive, or in the \"bootloader\" area if DEVICE is a FFS partition." 1519 " Print the number of sectors which STAGE1_5 occupies if successful." 1520 }; 1521 1522 1523 /* fallback */ 1524 static int 1525 fallback_func (char *arg, int flags) 1526 { 1527 int i = 0; 1528 1529 while (*arg) 1530 { 1531 int entry; 1532 int j; 1533 1534 if (! safe_parse_maxint (&arg, &entry)) 1535 return 1; 1536 1537 /* Remove duplications to prevent infinite looping. */ 1538 for (j = 0; j < i; j++) 1539 if (entry == fallback_entries[j]) 1540 break; 1541 if (j != i) 1542 continue; 1543 1544 fallback_entries[i++] = entry; 1545 if (i == MAX_FALLBACK_ENTRIES) 1546 break; 1547 1548 arg = skip_to (0, arg); 1549 } 1550 1551 if (i < MAX_FALLBACK_ENTRIES) 1552 fallback_entries[i] = -1; 1553 1554 fallback_entryno = (i == 0) ? -1 : 0; 1555 1556 return 0; 1557 } 1558 1559 static struct builtin builtin_fallback = 1560 { 1561 "fallback", 1562 fallback_func, 1563 BUILTIN_MENU, 1564 #if 0 1565 "fallback NUM...", 1566 "Go into unattended boot mode: if the default boot entry has any" 1567 " errors, instead of waiting for the user to do anything, it" 1568 " immediately starts over using the NUM entry (same numbering as the" 1569 " `default' command). This obviously won't help if the machine" 1570 " was rebooted by a kernel that GRUB loaded." 1571 #endif 1572 }; 1573 1574 1575 1576 void 1577 set_root (char *root, unsigned long drive, unsigned long part) 1578 { 1579 int bsd_part = (part >> 8) & 0xFF; 1580 int pc_slice = part >> 16; 1581 1582 if (bsd_part == 0xFF) { 1583 grub_sprintf (root, "(hd%d,%d)\n", drive - 0x80, pc_slice); 1584 } else { 1585 grub_sprintf (root, "(hd%d,%d,%c)\n", 1586 drive - 0x80, pc_slice, bsd_part + 'a'); 1587 } 1588 } 1589 1590 static int 1591 find_common (char *arg, char *root, int for_root, int flags) 1592 { 1593 char *filename = NULL; 1594 static char argpart[32]; 1595 static char device[32]; 1596 char *tmp_argpart = NULL; 1597 unsigned long drive; 1598 unsigned long tmp_drive = saved_drive; 1599 unsigned long tmp_partition = saved_partition; 1600 int got_file = 0; 1601 static char bootsign[BOOTSIGN_LEN]; 1602 1603 /* 1604 * If argument has partition information (findroot command only), then 1605 * it can't be a floppy 1606 */ 1607 if (for_root && arg[0] == '(') { 1608 tmp_argpart = grub_strchr(arg + 1, ','); 1609 if (tmp_argpart == NULL) 1610 goto out; 1611 grub_strcpy(argpart, tmp_argpart); 1612 *tmp_argpart = '\0'; 1613 arg++; 1614 grub_sprintf(bootsign, "%s/%s", BOOTSIGN_DIR, arg); 1615 filename = bootsign; 1616 goto harddisk; 1617 } else if (for_root && !grub_strchr(arg, '/')) { 1618 /* Boot signature without partition/slice information */ 1619 grub_sprintf(bootsign, "%s/%s", BOOTSIGN_DIR, arg); 1620 filename = bootsign; 1621 } else { 1622 /* plain vanilla find cmd */ 1623 filename = arg; 1624 } 1625 1626 /* Floppies. */ 1627 for (drive = 0; drive < 8; drive++) 1628 { 1629 current_drive = drive; 1630 current_partition = 0xFFFFFF; 1631 1632 if (open_device ()) 1633 { 1634 saved_drive = current_drive; 1635 saved_partition = current_partition; 1636 if (grub_open (filename)) 1637 { 1638 grub_close (); 1639 got_file = 1; 1640 if (for_root) { 1641 grub_sprintf(root, "(fd%d)", drive); 1642 goto out; 1643 } else 1644 grub_printf (" (fd%d)\n", drive); 1645 } 1646 } 1647 1648 errnum = ERR_NONE; 1649 } 1650 1651 harddisk: 1652 /* Hard disks. */ 1653 for (drive = 0x80; drive < 0x88; drive++) 1654 { 1655 unsigned long part = 0xFFFFFF; 1656 unsigned long start, len, offset, ext_offset; 1657 int type, entry; 1658 char buf[SECTOR_SIZE]; 1659 1660 if (for_root && tmp_argpart) { 1661 grub_sprintf(device, "(hd%d%s", drive - 0x80, argpart); 1662 set_device(device); 1663 errnum = ERR_NONE; 1664 part = current_partition; 1665 if (open_device ()) { 1666 saved_drive = current_drive; 1667 saved_partition = current_partition; 1668 errnum = ERR_NONE; 1669 if (grub_open (filename)) { 1670 grub_close (); 1671 got_file = 1; 1672 if (is_zfs_mount == 0) { 1673 set_root(root, current_drive, current_partition); 1674 goto out; 1675 } else { 1676 best_drive = current_drive; 1677 best_part = current_partition; 1678 } 1679 } 1680 } 1681 errnum = ERR_NONE; 1682 continue; 1683 } 1684 current_drive = drive; 1685 while (next_partition (drive, 0xFFFFFF, &part, &type, 1686 &start, &len, &offset, &entry, 1687 &ext_offset, buf)) 1688 { 1689 if (type != PC_SLICE_TYPE_NONE 1690 && ! IS_PC_SLICE_TYPE_BSD (type) 1691 && ! IS_PC_SLICE_TYPE_EXTENDED (type)) 1692 { 1693 current_partition = part; 1694 if (open_device ()) 1695 { 1696 saved_drive = current_drive; 1697 saved_partition = current_partition; 1698 if (grub_open (filename)) 1699 { 1700 char tmproot[32]; 1701 1702 grub_close (); 1703 got_file = 1; 1704 set_root(tmproot, drive, part); 1705 if (for_root) { 1706 grub_memcpy(root, tmproot, sizeof(tmproot)); 1707 if (is_zfs_mount == 0) { 1708 goto out; 1709 } else { 1710 best_drive = current_drive; 1711 best_part = current_partition; 1712 } 1713 } else { 1714 grub_printf("%s", tmproot); 1715 } 1716 } 1717 } 1718 } 1719 1720 /* We want to ignore any error here. */ 1721 errnum = ERR_NONE; 1722 } 1723 1724 /* next_partition always sets ERRNUM in the last call, so clear 1725 it. */ 1726 errnum = ERR_NONE; 1727 } 1728 1729 out: 1730 if (is_zfs_mount && for_root) { 1731 set_root(root, best_drive, best_part); 1732 buf_drive = -1; 1733 } else { 1734 saved_drive = tmp_drive; 1735 saved_partition = tmp_partition; 1736 } 1737 if (tmp_argpart) 1738 *tmp_argpart = ','; 1739 1740 if (got_file) 1741 { 1742 errnum = ERR_NONE; 1743 return 0; 1744 } 1745 1746 errnum = ERR_FILE_NOT_FOUND; 1747 return 1; 1748 } 1749 1750 /* find */ 1751 /* Search for the filename ARG in all of partitions. */ 1752 static int 1753 find_func (char *arg, int flags) 1754 { 1755 return (find_common(arg, NULL, 0, flags)); 1756 } 1757 1758 static struct builtin builtin_find = 1759 { 1760 "find", 1761 find_func, 1762 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1763 "find FILENAME", 1764 "Search for the filename FILENAME in all of partitions and print the list of" 1765 " the devices which contain the file." 1766 }; 1767 1768 1769 /* fstest */ 1770 static int 1771 fstest_func (char *arg, int flags) 1772 { 1773 if (disk_read_hook) 1774 { 1775 disk_read_hook = NULL; 1776 printf (" Filesystem tracing is now off\n"); 1777 } 1778 else 1779 { 1780 disk_read_hook = disk_read_print_func; 1781 printf (" Filesystem tracing is now on\n"); 1782 } 1783 1784 return 0; 1785 } 1786 1787 static struct builtin builtin_fstest = 1788 { 1789 "fstest", 1790 fstest_func, 1791 BUILTIN_CMDLINE, 1792 "fstest", 1793 "Toggle filesystem test mode." 1794 }; 1795 1796 1797 /* geometry */ 1798 static int 1799 geometry_func (char *arg, int flags) 1800 { 1801 struct geometry geom; 1802 char *msg; 1803 char *device = arg; 1804 #ifdef GRUB_UTIL 1805 char *ptr; 1806 #endif 1807 1808 /* Get the device number. */ 1809 set_device (device); 1810 if (errnum) 1811 return 1; 1812 1813 /* Check for the geometry. */ 1814 if (get_diskinfo (current_drive, &geom)) 1815 { 1816 errnum = ERR_NO_DISK; 1817 return 1; 1818 } 1819 1820 /* Attempt to read the first sector, because some BIOSes turns out not 1821 to support LBA even though they set the bit 0 in the support 1822 bitmap, only after reading something actually. */ 1823 if (biosdisk (BIOSDISK_READ, current_drive, &geom, 0, 1, SCRATCHSEG)) 1824 { 1825 errnum = ERR_READ; 1826 return 1; 1827 } 1828 1829 #ifdef GRUB_UTIL 1830 ptr = skip_to (0, device); 1831 if (*ptr) 1832 { 1833 char *cylinder, *head, *sector, *total_sector; 1834 int num_cylinder, num_head, num_sector, num_total_sector; 1835 1836 cylinder = ptr; 1837 head = skip_to (0, cylinder); 1838 sector = skip_to (0, head); 1839 total_sector = skip_to (0, sector); 1840 if (! safe_parse_maxint (&cylinder, &num_cylinder) 1841 || ! safe_parse_maxint (&head, &num_head) 1842 || ! safe_parse_maxint (§or, &num_sector)) 1843 return 1; 1844 1845 disks[current_drive].cylinders = num_cylinder; 1846 disks[current_drive].heads = num_head; 1847 disks[current_drive].sectors = num_sector; 1848 1849 if (safe_parse_maxint (&total_sector, &num_total_sector)) 1850 disks[current_drive].total_sectors = num_total_sector; 1851 else 1852 disks[current_drive].total_sectors 1853 = num_cylinder * num_head * num_sector; 1854 errnum = 0; 1855 1856 geom = disks[current_drive]; 1857 buf_drive = -1; 1858 } 1859 #endif /* GRUB_UTIL */ 1860 1861 #ifdef GRUB_UTIL 1862 msg = device_map[current_drive]; 1863 #else 1864 if (geom.flags & BIOSDISK_FLAG_LBA_EXTENSION) 1865 msg = "LBA"; 1866 else 1867 msg = "CHS"; 1868 #endif 1869 1870 grub_printf ("drive 0x%x: C/H/S = %d/%d/%d, " 1871 "The number of sectors = %u, %s\n", 1872 current_drive, 1873 geom.cylinders, geom.heads, geom.sectors, 1874 geom.total_sectors, msg); 1875 real_open_partition (1); 1876 1877 return 0; 1878 } 1879 1880 static struct builtin builtin_geometry = 1881 { 1882 "geometry", 1883 geometry_func, 1884 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1885 "geometry DRIVE [CYLINDER HEAD SECTOR [TOTAL_SECTOR]]", 1886 "Print the information for a drive DRIVE. In the grub shell, you can" 1887 " set the geometry of the drive arbitrarily. The number of the cylinders," 1888 " the one of the heads, the one of the sectors and the one of the total" 1889 " sectors are set to CYLINDER, HEAD, SECTOR and TOTAL_SECTOR," 1890 " respectively. If you omit TOTAL_SECTOR, then it will be calculated based" 1891 " on the C/H/S values automatically." 1892 }; 1893 1894 1895 /* halt */ 1896 static int 1897 halt_func (char *arg, int flags) 1898 { 1899 int no_apm; 1900 1901 no_apm = (grub_memcmp (arg, "--no-apm", 8) == 0); 1902 grub_halt (no_apm); 1903 1904 /* Never reach here. */ 1905 return 1; 1906 } 1907 1908 static struct builtin builtin_halt = 1909 { 1910 "halt", 1911 halt_func, 1912 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1913 "halt [--no-apm]", 1914 "Halt your system. If APM is avaiable on it, turn off the power using" 1915 " the APM BIOS, unless you specify the option `--no-apm'." 1916 }; 1917 1918 1919 /* help */ 1920 #define MAX_SHORT_DOC_LEN 39 1921 #define MAX_LONG_DOC_LEN 66 1922 1923 static int 1924 help_func (char *arg, int flags) 1925 { 1926 int all = 0; 1927 1928 if (grub_memcmp (arg, "--all", sizeof ("--all") - 1) == 0) 1929 { 1930 all = 1; 1931 arg = skip_to (0, arg); 1932 } 1933 1934 if (! *arg) 1935 { 1936 /* Invoked with no argument. Print the list of the short docs. */ 1937 struct builtin **builtin; 1938 int left = 1; 1939 1940 for (builtin = builtin_table; *builtin != 0; builtin++) 1941 { 1942 int len; 1943 int i; 1944 1945 /* If this cannot be used in the command-line interface, 1946 skip this. */ 1947 if (! ((*builtin)->flags & BUILTIN_CMDLINE)) 1948 continue; 1949 1950 /* If this doesn't need to be listed automatically and "--all" 1951 is not specified, skip this. */ 1952 if (! all && ! ((*builtin)->flags & BUILTIN_HELP_LIST)) 1953 continue; 1954 1955 len = grub_strlen ((*builtin)->short_doc); 1956 /* If the length of SHORT_DOC is too long, truncate it. */ 1957 if (len > MAX_SHORT_DOC_LEN - 1) 1958 len = MAX_SHORT_DOC_LEN - 1; 1959 1960 for (i = 0; i < len; i++) 1961 grub_putchar ((*builtin)->short_doc[i]); 1962 1963 for (; i < MAX_SHORT_DOC_LEN; i++) 1964 grub_putchar (' '); 1965 1966 if (! left) 1967 grub_putchar ('\n'); 1968 1969 left = ! left; 1970 } 1971 1972 /* If the last entry was at the left column, no newline was printed 1973 at the end. */ 1974 if (! left) 1975 grub_putchar ('\n'); 1976 } 1977 else 1978 { 1979 /* Invoked with one or more patterns. */ 1980 do 1981 { 1982 struct builtin **builtin; 1983 char *next_arg; 1984 1985 /* Get the next argument. */ 1986 next_arg = skip_to (0, arg); 1987 1988 /* Terminate ARG. */ 1989 nul_terminate (arg); 1990 1991 for (builtin = builtin_table; *builtin; builtin++) 1992 { 1993 /* Skip this if this is only for the configuration file. */ 1994 if (! ((*builtin)->flags & BUILTIN_CMDLINE)) 1995 continue; 1996 1997 if (substring (arg, (*builtin)->name) < 1) 1998 { 1999 char *doc = (*builtin)->long_doc; 2000 2001 /* At first, print the name and the short doc. */ 2002 grub_printf ("%s: %s\n", 2003 (*builtin)->name, (*builtin)->short_doc); 2004 2005 /* Print the long doc. */ 2006 while (*doc) 2007 { 2008 int len = grub_strlen (doc); 2009 int i; 2010 2011 /* If LEN is too long, fold DOC. */ 2012 if (len > MAX_LONG_DOC_LEN) 2013 { 2014 /* Fold this line at the position of a space. */ 2015 for (len = MAX_LONG_DOC_LEN; len > 0; len--) 2016 if (doc[len - 1] == ' ') 2017 break; 2018 } 2019 2020 grub_printf (" "); 2021 for (i = 0; i < len; i++) 2022 grub_putchar (*doc++); 2023 grub_putchar ('\n'); 2024 } 2025 } 2026 } 2027 2028 arg = next_arg; 2029 } 2030 while (*arg); 2031 } 2032 2033 return 0; 2034 } 2035 2036 static struct builtin builtin_help = 2037 { 2038 "help", 2039 help_func, 2040 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2041 "help [--all] [PATTERN ...]", 2042 "Display helpful information about builtin commands. Not all commands" 2043 " aren't shown without the option `--all'." 2044 }; 2045 2046 2047 /* hiddenmenu */ 2048 static int 2049 hiddenmenu_func (char *arg, int flags) 2050 { 2051 show_menu = 0; 2052 return 0; 2053 } 2054 2055 static struct builtin builtin_hiddenmenu = 2056 { 2057 "hiddenmenu", 2058 hiddenmenu_func, 2059 BUILTIN_MENU, 2060 #if 0 2061 "hiddenmenu", 2062 "Hide the menu." 2063 #endif 2064 }; 2065 2066 2067 /* hide */ 2068 static int 2069 hide_func (char *arg, int flags) 2070 { 2071 if (! set_device (arg)) 2072 return 1; 2073 2074 if (! set_partition_hidden_flag (1)) 2075 return 1; 2076 2077 return 0; 2078 } 2079 2080 static struct builtin builtin_hide = 2081 { 2082 "hide", 2083 hide_func, 2084 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 2085 "hide PARTITION", 2086 "Hide PARTITION by setting the \"hidden\" bit in" 2087 " its partition type code." 2088 }; 2089 2090 2091 #ifdef SUPPORT_NETBOOT 2092 /* ifconfig */ 2093 static int 2094 ifconfig_func (char *arg, int flags) 2095 { 2096 char *svr = 0, *ip = 0, *gw = 0, *sm = 0; 2097 2098 if (! grub_eth_probe ()) 2099 { 2100 grub_printf ("No ethernet card found.\n"); 2101 errnum = ERR_DEV_VALUES; 2102 return 1; 2103 } 2104 2105 while (*arg) 2106 { 2107 if (! grub_memcmp ("--server=", arg, sizeof ("--server=") - 1)) 2108 svr = arg + sizeof("--server=") - 1; 2109 else if (! grub_memcmp ("--address=", arg, sizeof ("--address=") - 1)) 2110 ip = arg + sizeof ("--address=") - 1; 2111 else if (! grub_memcmp ("--gateway=", arg, sizeof ("--gateway=") - 1)) 2112 gw = arg + sizeof ("--gateway=") - 1; 2113 else if (! grub_memcmp ("--mask=", arg, sizeof("--mask=") - 1)) 2114 sm = arg + sizeof ("--mask=") - 1; 2115 else 2116 { 2117 errnum = ERR_BAD_ARGUMENT; 2118 return 1; 2119 } 2120 2121 arg = skip_to (0, arg); 2122 } 2123 2124 if (! ifconfig (ip, sm, gw, svr)) 2125 { 2126 errnum = ERR_BAD_ARGUMENT; 2127 return 1; 2128 } 2129 2130 print_network_configuration (); 2131 return 0; 2132 } 2133 2134 static struct builtin builtin_ifconfig = 2135 { 2136 "ifconfig", 2137 ifconfig_func, 2138 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 2139 "ifconfig [--address=IP] [--gateway=IP] [--mask=MASK] [--server=IP]", 2140 "Configure the IP address, the netmask, the gateway and the server" 2141 " address or print current network configuration." 2142 }; 2143 #endif /* SUPPORT_NETBOOT */ 2144 2145 2146 /* impsprobe */ 2147 static int 2148 impsprobe_func (char *arg, int flags) 2149 { 2150 #ifdef GRUB_UTIL 2151 /* In the grub shell, we cannot probe IMPS. */ 2152 errnum = ERR_UNRECOGNIZED; 2153 return 1; 2154 #else /* ! GRUB_UTIL */ 2155 if (!imps_probe ()) 2156 printf (" No MPS information found or probe failed\n"); 2157 2158 return 0; 2159 #endif /* ! GRUB_UTIL */ 2160 } 2161 2162 static struct builtin builtin_impsprobe = 2163 { 2164 "impsprobe", 2165 impsprobe_func, 2166 BUILTIN_CMDLINE, 2167 "impsprobe", 2168 "Probe the Intel Multiprocessor Specification 1.1 or 1.4" 2169 " configuration table and boot the various CPUs which are found into" 2170 " a tight loop." 2171 }; 2172 2173 /* initrd */ 2174 static int 2175 initrd_func (char *arg, int flags) 2176 { 2177 switch (kernel_type) 2178 { 2179 case KERNEL_TYPE_LINUX: 2180 case KERNEL_TYPE_BIG_LINUX: 2181 if (! load_initrd (arg)) 2182 return 1; 2183 break; 2184 2185 default: 2186 errnum = ERR_NEED_LX_KERNEL; 2187 return 1; 2188 } 2189 2190 return 0; 2191 } 2192 2193 static struct builtin builtin_initrd = 2194 { 2195 "initrd", 2196 initrd_func, 2197 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2198 "initrd FILE [ARG ...]", 2199 "Load an initial ramdisk FILE for a Linux format boot image and set the" 2200 " appropriate parameters in the Linux setup area in memory." 2201 }; 2202 2203 2204 /* install */ 2205 static int 2206 install_func (char *arg, int flags) 2207 { 2208 char *stage1_file, *dest_dev, *file, *addr; 2209 char *stage1_buffer = (char *) RAW_ADDR (0x100000); 2210 char *stage2_buffer = stage1_buffer + SECTOR_SIZE; 2211 char *old_sect = stage2_buffer + SECTOR_SIZE; 2212 char *stage2_first_buffer = old_sect + SECTOR_SIZE; 2213 char *stage2_second_buffer = stage2_first_buffer + SECTOR_SIZE; 2214 /* XXX: Probably SECTOR_SIZE is reasonable. */ 2215 char *config_filename = stage2_second_buffer + SECTOR_SIZE; 2216 char *dummy = config_filename + SECTOR_SIZE; 2217 int new_drive = GRUB_INVALID_DRIVE; 2218 int dest_drive, dest_partition; 2219 unsigned int dest_sector; 2220 int src_drive, src_partition, src_part_start; 2221 int i; 2222 struct geometry dest_geom, src_geom; 2223 unsigned int saved_sector; 2224 unsigned int stage2_first_sector, stage2_second_sector; 2225 char *ptr; 2226 int installaddr, installlist; 2227 /* Point to the location of the name of a configuration file in Stage 2. */ 2228 char *config_file_location; 2229 /* If FILE is a Stage 1.5? */ 2230 int is_stage1_5 = 0; 2231 /* Must call grub_close? */ 2232 int is_open = 0; 2233 /* If LBA is forced? */ 2234 int is_force_lba = 0; 2235 /* Was the last sector full? */ 2236 int last_length = SECTOR_SIZE; 2237 2238 #ifdef GRUB_UTIL 2239 /* If the Stage 2 is in a partition mounted by an OS, this will store 2240 the filename under the OS. */ 2241 char *stage2_os_file = 0; 2242 #endif /* GRUB_UTIL */ 2243 2244 auto void disk_read_savesect_func (unsigned int sector, int offset, 2245 int length); 2246 auto void disk_read_blocklist_func (unsigned int sector, int offset, 2247 int length); 2248 2249 /* Save the first sector of Stage2 in STAGE2_SECT. */ 2250 auto void disk_read_savesect_func (unsigned int sector, int offset, 2251 int length) 2252 { 2253 if (debug) 2254 printf ("[%u]", sector); 2255 2256 /* ReiserFS has files which sometimes contain data not aligned 2257 on sector boundaries. Returning an error is better than 2258 silently failing. */ 2259 if (offset != 0 || length != SECTOR_SIZE) 2260 errnum = ERR_UNALIGNED; 2261 2262 saved_sector = sector; 2263 } 2264 2265 /* Write SECTOR to INSTALLLIST, and update INSTALLADDR and 2266 INSTALLSECT. */ 2267 auto void disk_read_blocklist_func (unsigned int sector, int offset, 2268 int length) 2269 { 2270 if (debug) 2271 printf("[%u]", sector); 2272 2273 if (offset != 0 || last_length != SECTOR_SIZE) 2274 { 2275 /* We found a non-sector-aligned data block. */ 2276 errnum = ERR_UNALIGNED; 2277 return; 2278 } 2279 2280 last_length = length; 2281 2282 if (*((unsigned long *) (installlist - 4)) 2283 + *((unsigned short *) installlist) != sector 2284 || installlist == (int) stage2_first_buffer + SECTOR_SIZE + 4) 2285 { 2286 installlist -= 8; 2287 2288 if (*((unsigned long *) (installlist - 8))) 2289 errnum = ERR_WONT_FIT; 2290 else 2291 { 2292 *((unsigned short *) (installlist + 2)) = (installaddr >> 4); 2293 *((unsigned long *) (installlist - 4)) = sector; 2294 } 2295 } 2296 2297 *((unsigned short *) installlist) += 1; 2298 installaddr += 512; 2299 } 2300 2301 /* First, check the GNU-style long option. */ 2302 while (1) 2303 { 2304 if (grub_memcmp ("--force-lba", arg, sizeof ("--force-lba") - 1) == 0) 2305 { 2306 is_force_lba = 1; 2307 arg = skip_to (0, arg); 2308 } 2309 #ifdef GRUB_UTIL 2310 else if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0) 2311 { 2312 stage2_os_file = arg + sizeof ("--stage2=") - 1; 2313 arg = skip_to (0, arg); 2314 nul_terminate (stage2_os_file); 2315 } 2316 #endif /* GRUB_UTIL */ 2317 else 2318 break; 2319 } 2320 2321 stage1_file = arg; 2322 dest_dev = skip_to (0, stage1_file); 2323 if (*dest_dev == 'd') 2324 { 2325 new_drive = 0; 2326 dest_dev = skip_to (0, dest_dev); 2327 } 2328 file = skip_to (0, dest_dev); 2329 addr = skip_to (0, file); 2330 2331 /* Get the installation address. */ 2332 if (! safe_parse_maxint (&addr, &installaddr)) 2333 { 2334 /* ADDR is not specified. */ 2335 installaddr = 0; 2336 ptr = addr; 2337 errnum = 0; 2338 } 2339 else 2340 ptr = skip_to (0, addr); 2341 2342 #ifndef NO_DECOMPRESSION 2343 /* Do not decompress Stage 1 or Stage 2. */ 2344 no_decompression = 1; 2345 #endif 2346 2347 /* Read Stage 1. */ 2348 is_open = grub_open (stage1_file); 2349 if (! is_open 2350 || ! grub_read (stage1_buffer, SECTOR_SIZE) == SECTOR_SIZE) 2351 goto fail; 2352 2353 /* Read the old sector from DEST_DEV. */ 2354 if (! set_device (dest_dev) 2355 || ! open_partition () 2356 || ! devread (0, 0, SECTOR_SIZE, old_sect)) 2357 goto fail; 2358 2359 /* Store the information for the destination device. */ 2360 dest_drive = current_drive; 2361 dest_partition = current_partition; 2362 dest_geom = buf_geom; 2363 dest_sector = part_start; 2364 2365 /* Copy the possible DOS BPB, 59 bytes at byte offset 3. */ 2366 grub_memmove (stage1_buffer + BOOTSEC_BPB_OFFSET, 2367 old_sect + BOOTSEC_BPB_OFFSET, 2368 BOOTSEC_BPB_LENGTH); 2369 2370 /* If for a hard disk, copy the possible MBR/extended part table. */ 2371 if (dest_drive & 0x80) 2372 grub_memmove (stage1_buffer + STAGE1_WINDOWS_NT_MAGIC, 2373 old_sect + STAGE1_WINDOWS_NT_MAGIC, 2374 STAGE1_PARTEND - STAGE1_WINDOWS_NT_MAGIC); 2375 2376 /* Check for the version and the signature of Stage 1. */ 2377 if (*((short *)(stage1_buffer + STAGE1_VER_MAJ_OFFS)) != COMPAT_VERSION 2378 || (*((unsigned short *) (stage1_buffer + BOOTSEC_SIG_OFFSET)) 2379 != BOOTSEC_SIGNATURE)) 2380 { 2381 errnum = ERR_BAD_VERSION; 2382 goto fail; 2383 } 2384 2385 /* This below is not true any longer. But should we leave this alone? */ 2386 2387 /* If DEST_DRIVE is a floppy, Stage 2 must have the iteration probe 2388 routine. */ 2389 if (! (dest_drive & 0x80) 2390 && (*((unsigned char *) (stage1_buffer + BOOTSEC_PART_OFFSET)) == 0x80 2391 || stage1_buffer[BOOTSEC_PART_OFFSET] == 0)) 2392 { 2393 errnum = ERR_BAD_VERSION; 2394 goto fail; 2395 } 2396 2397 grub_close (); 2398 2399 /* Open Stage 2. */ 2400 is_open = grub_open (file); 2401 if (! is_open) 2402 goto fail; 2403 2404 src_drive = current_drive; 2405 src_partition = current_partition; 2406 src_part_start = part_start; 2407 src_geom = buf_geom; 2408 2409 if (! new_drive) 2410 new_drive = src_drive; 2411 else if (src_drive != dest_drive) 2412 grub_printf ("Warning: the option `d' was not used, but the Stage 1 will" 2413 " be installed on a\ndifferent drive than the drive where" 2414 " the Stage 2 resides.\n"); 2415 2416 /* Set the boot drive. */ 2417 *((unsigned char *) (stage1_buffer + STAGE1_BOOT_DRIVE)) = new_drive; 2418 2419 /* Set the "force LBA" flag. */ 2420 *((unsigned char *) (stage1_buffer + STAGE1_FORCE_LBA)) = is_force_lba; 2421 2422 /* If DEST_DRIVE is a hard disk, enable the workaround, which is 2423 for buggy BIOSes which don't pass boot drive correctly. Instead, 2424 they pass 0x00 or 0x01 even when booted from 0x80. */ 2425 if (dest_drive & BIOS_FLAG_FIXED_DISK) 2426 /* Replace the jmp (2 bytes) with double nop's. */ 2427 *((unsigned short *) (stage1_buffer + STAGE1_BOOT_DRIVE_CHECK)) 2428 = 0x9090; 2429 2430 /* Read the first sector of Stage 2. */ 2431 disk_read_hook = disk_read_savesect_func; 2432 if (grub_read (stage2_first_buffer, SECTOR_SIZE) != SECTOR_SIZE) 2433 goto fail; 2434 2435 stage2_first_sector = saved_sector; 2436 2437 /* Read the second sector of Stage 2. */ 2438 if (grub_read (stage2_second_buffer, SECTOR_SIZE) != SECTOR_SIZE) 2439 goto fail; 2440 2441 stage2_second_sector = saved_sector; 2442 2443 /* Check for the version of Stage 2. */ 2444 if (*((short *) (stage2_second_buffer + STAGE2_VER_MAJ_OFFS)) 2445 != COMPAT_VERSION) 2446 { 2447 errnum = ERR_BAD_VERSION; 2448 goto fail; 2449 } 2450 2451 /* Check for the Stage 2 id. */ 2452 if (stage2_second_buffer[STAGE2_STAGE2_ID] != STAGE2_ID_STAGE2) 2453 is_stage1_5 = 1; 2454 2455 /* If INSTALLADDR is not specified explicitly in the command-line, 2456 determine it by the Stage 2 id. */ 2457 if (! installaddr) 2458 { 2459 if (! is_stage1_5) 2460 /* Stage 2. */ 2461 installaddr = 0x8000; 2462 else 2463 /* Stage 1.5. */ 2464 installaddr = 0x2000; 2465 } 2466 2467 *((unsigned long *) (stage1_buffer + STAGE1_STAGE2_SECTOR)) 2468 = stage2_first_sector; 2469 *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_ADDRESS)) 2470 = installaddr; 2471 *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_SEGMENT)) 2472 = installaddr >> 4; 2473 2474 i = (int) stage2_first_buffer + SECTOR_SIZE - 4; 2475 while (*((unsigned long *) i)) 2476 { 2477 if (i < (int) stage2_first_buffer 2478 || (*((int *) (i - 4)) & 0x80000000) 2479 || *((unsigned short *) i) >= 0xA00 2480 || *((short *) (i + 2)) == 0) 2481 { 2482 errnum = ERR_BAD_VERSION; 2483 goto fail; 2484 } 2485 2486 *((int *) i) = 0; 2487 *((int *) (i - 4)) = 0; 2488 i -= 8; 2489 } 2490 2491 installlist = (int) stage2_first_buffer + SECTOR_SIZE + 4; 2492 installaddr += SECTOR_SIZE; 2493 2494 /* Read the whole of Stage2 except for the first sector. */ 2495 grub_seek (SECTOR_SIZE); 2496 2497 disk_read_hook = disk_read_blocklist_func; 2498 if (! grub_read (dummy, -1)) 2499 goto fail; 2500 2501 disk_read_hook = 0; 2502 2503 /* Find a string for the configuration filename. */ 2504 config_file_location = stage2_second_buffer + STAGE2_VER_STR_OFFS; 2505 while (*(config_file_location++)) 2506 ; 2507 2508 /* Set the "force LBA" flag for Stage2. */ 2509 *((unsigned char *) (stage2_second_buffer + STAGE2_FORCE_LBA)) 2510 = is_force_lba; 2511 2512 if (*ptr == 'p') 2513 { 2514 *((long *) (stage2_second_buffer + STAGE2_INSTALLPART)) 2515 = src_partition; 2516 if (is_stage1_5) 2517 { 2518 /* Reset the device information in FILE if it is a Stage 1.5. */ 2519 unsigned long device = 0xFFFFFFFF; 2520 2521 grub_memmove (config_file_location, (char *) &device, 2522 sizeof (device)); 2523 } 2524 2525 ptr = skip_to (0, ptr); 2526 } 2527 2528 if (*ptr) 2529 { 2530 grub_strcpy (config_filename, ptr); 2531 nul_terminate (config_filename); 2532 2533 if (! is_stage1_5) 2534 /* If it is a Stage 2, just copy PTR to CONFIG_FILE_LOCATION. */ 2535 grub_strcpy (config_file_location, ptr); 2536 else 2537 { 2538 char *real_config; 2539 unsigned long device; 2540 2541 /* Translate the external device syntax to the internal device 2542 syntax. */ 2543 if (! (real_config = set_device (ptr))) 2544 { 2545 /* The Stage 2 PTR does not contain the device name, so 2546 use the root device instead. */ 2547 errnum = ERR_NONE; 2548 current_drive = saved_drive; 2549 current_partition = saved_partition; 2550 real_config = ptr; 2551 } 2552 2553 if (current_drive == src_drive) 2554 { 2555 /* If the drive where the Stage 2 resides is the same as 2556 the one where the Stage 1.5 resides, do not embed the 2557 drive number. */ 2558 current_drive = GRUB_INVALID_DRIVE; 2559 } 2560 2561 device = (current_drive << 24) | current_partition; 2562 grub_memmove (config_file_location, (char *) &device, 2563 sizeof (device)); 2564 grub_strcpy (config_file_location + sizeof (device), 2565 real_config); 2566 } 2567 2568 /* If a Stage 1.5 is used, then we need to modify the Stage2. */ 2569 if (is_stage1_5) 2570 { 2571 char *real_config_filename = skip_to (0, ptr); 2572 2573 is_open = grub_open (config_filename); 2574 if (! is_open) 2575 goto fail; 2576 2577 /* Skip the first sector. */ 2578 grub_seek (SECTOR_SIZE); 2579 2580 disk_read_hook = disk_read_savesect_func; 2581 if (grub_read (stage2_buffer, SECTOR_SIZE) != SECTOR_SIZE) 2582 goto fail; 2583 2584 disk_read_hook = 0; 2585 grub_close (); 2586 is_open = 0; 2587 2588 /* Sanity check. */ 2589 if (*(stage2_buffer + STAGE2_STAGE2_ID) != STAGE2_ID_STAGE2) 2590 { 2591 errnum = ERR_BAD_VERSION; 2592 goto fail; 2593 } 2594 2595 /* Set the "force LBA" flag for Stage2. */ 2596 *(stage2_buffer + STAGE2_FORCE_LBA) = is_force_lba; 2597 2598 /* If REAL_CONFIG_FILENAME is specified, copy it to the Stage2. */ 2599 if (*real_config_filename) 2600 { 2601 /* Specified */ 2602 char *location; 2603 2604 /* Find a string for the configuration filename. */ 2605 location = stage2_buffer + STAGE2_VER_STR_OFFS; 2606 while (*(location++)) 2607 ; 2608 2609 /* Copy the name. */ 2610 grub_strcpy (location, real_config_filename); 2611 } 2612 2613 /* Write it to the disk. */ 2614 buf_track = BUF_CACHE_INVALID; 2615 2616 #ifdef GRUB_UTIL 2617 /* In the grub shell, access the Stage 2 via the OS filesystem 2618 service, if possible. */ 2619 if (stage2_os_file) 2620 { 2621 FILE *fp; 2622 2623 fp = fopen (stage2_os_file, "r+"); 2624 if (! fp) 2625 { 2626 errnum = ERR_FILE_NOT_FOUND; 2627 goto fail; 2628 } 2629 2630 if (fseek (fp, SECTOR_SIZE, SEEK_SET) != 0) 2631 { 2632 fclose (fp); 2633 errnum = ERR_BAD_VERSION; 2634 goto fail; 2635 } 2636 2637 if (fwrite (stage2_buffer, 1, SECTOR_SIZE, fp) 2638 != SECTOR_SIZE) 2639 { 2640 fclose (fp); 2641 errnum = ERR_WRITE; 2642 goto fail; 2643 } 2644 2645 fclose (fp); 2646 } 2647 else 2648 #endif /* GRUB_UTIL */ 2649 { 2650 if (! devwrite (saved_sector - part_start, 1, stage2_buffer)) 2651 goto fail; 2652 } 2653 } 2654 } 2655 2656 /* Clear the cache. */ 2657 buf_track = BUF_CACHE_INVALID; 2658 2659 /* Write the modified sectors of Stage2 to the disk. */ 2660 #ifdef GRUB_UTIL 2661 if (! is_stage1_5 && stage2_os_file) 2662 { 2663 FILE *fp; 2664 2665 fp = fopen (stage2_os_file, "r+"); 2666 if (! fp) 2667 { 2668 errnum = ERR_FILE_NOT_FOUND; 2669 goto fail; 2670 } 2671 2672 if (fwrite (stage2_first_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE) 2673 { 2674 fclose (fp); 2675 errnum = ERR_WRITE; 2676 goto fail; 2677 } 2678 2679 if (fwrite (stage2_second_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE) 2680 { 2681 fclose (fp); 2682 errnum = ERR_WRITE; 2683 goto fail; 2684 } 2685 2686 fclose (fp); 2687 } 2688 else 2689 #endif /* GRUB_UTIL */ 2690 { 2691 /* The first. */ 2692 current_drive = src_drive; 2693 current_partition = src_partition; 2694 2695 if (! open_partition ()) 2696 goto fail; 2697 2698 if (! devwrite (stage2_first_sector - src_part_start, 1, 2699 stage2_first_buffer)) 2700 goto fail; 2701 2702 if (! devwrite (stage2_second_sector - src_part_start, 1, 2703 stage2_second_buffer)) 2704 goto fail; 2705 } 2706 2707 /* Write the modified sector of Stage 1 to the disk. */ 2708 current_drive = dest_drive; 2709 current_partition = dest_partition; 2710 if (! open_partition ()) 2711 goto fail; 2712 2713 devwrite (0, 1, stage1_buffer); 2714 2715 fail: 2716 if (is_open) 2717 grub_close (); 2718 2719 disk_read_hook = 0; 2720 2721 #ifndef NO_DECOMPRESSION 2722 no_decompression = 0; 2723 #endif 2724 2725 return errnum; 2726 } 2727 2728 static struct builtin builtin_install = 2729 { 2730 "install", 2731 install_func, 2732 BUILTIN_CMDLINE, 2733 "install [--stage2=STAGE2_FILE] [--force-lba] STAGE1 [d] DEVICE STAGE2 [ADDR] [p] [CONFIG_FILE] [REAL_CONFIG_FILE]", 2734 "Install STAGE1 on DEVICE, and install a blocklist for loading STAGE2" 2735 " as a Stage 2. If the option `d' is present, the Stage 1 will always" 2736 " look for the disk where STAGE2 was installed, rather than using" 2737 " the booting drive. The Stage 2 will be loaded at address ADDR, which" 2738 " will be determined automatically if you don't specify it. If" 2739 " the option `p' or CONFIG_FILE is present, then the first block" 2740 " of Stage 2 is patched with new values of the partition and name" 2741 " of the configuration file used by the true Stage 2 (for a Stage 1.5," 2742 " this is the name of the true Stage 2) at boot time. If STAGE2 is a Stage" 2743 " 1.5 and REAL_CONFIG_FILE is present, then the Stage 2 CONFIG_FILE is" 2744 " patched with the configuration filename REAL_CONFIG_FILE." 2745 " If the option `--force-lba' is specified, disable some sanity checks" 2746 " for LBA mode. If the option `--stage2' is specified, rewrite the Stage" 2747 " 2 via your OS's filesystem instead of the raw device." 2748 }; 2749 2750 2751 /* ioprobe */ 2752 static int 2753 ioprobe_func (char *arg, int flags) 2754 { 2755 #ifdef GRUB_UTIL 2756 2757 errnum = ERR_UNRECOGNIZED; 2758 return 1; 2759 2760 #else /* ! GRUB_UTIL */ 2761 2762 unsigned short *port; 2763 2764 /* Get the drive number. */ 2765 set_device (arg); 2766 if (errnum) 2767 return 1; 2768 2769 /* Clean out IO_MAP. */ 2770 grub_memset ((char *) io_map, 0, IO_MAP_SIZE * sizeof (unsigned short)); 2771 2772 /* Track the int13 handler. */ 2773 track_int13 (current_drive); 2774 2775 /* Print out the result. */ 2776 for (port = io_map; *port != 0; port++) 2777 grub_printf (" 0x%x", (unsigned int) *port); 2778 2779 return 0; 2780 2781 #endif /* ! GRUB_UTIL */ 2782 } 2783 2784 static struct builtin builtin_ioprobe = 2785 { 2786 "ioprobe", 2787 ioprobe_func, 2788 BUILTIN_CMDLINE, 2789 "ioprobe DRIVE", 2790 "Probe I/O ports used for the drive DRIVE." 2791 }; 2792 2793 2794 /* 2795 * To boot from a ZFS root filesystem, the kernel$ or module$ commands 2796 * must include "-B $ZFS-BOOTFS" to expand to the zfs-bootfs, bootpath, 2797 * and diskdevid boot property values for passing to the kernel: 2798 * 2799 * e.g. 2800 * kernel$ /platform/i86pc/kernel/$ISADIR/unix -B $ZFS-BOOTFS,console=ttya 2801 * 2802 * $ZFS-BOOTFS is expanded to 2803 * 2804 * zfs-bootfs=<rootpool-name/zfs-rootfilesystem-object-num>, 2805 * bootpath=<device phys path>, 2806 * diskdevid=<device id> 2807 * 2808 * if both bootpath and diskdevid can be found. 2809 * e.g 2810 * zfs-bootfs=rpool/85, 2811 * bootpath="/pci@0,0/pci1022,7450@a/pci17c2,10@4/sd@0,0:a", 2812 * diskdevid="id1,sd@SSEAGATE_ST336607LC______3JA0LNHE0000741326W6/a" 2813 */ 2814 static int 2815 expand_dollar_bootfs(char *in, char *out) 2816 { 2817 char *token, *tmpout = out; 2818 int outlen, blen; 2819 int postcomma = 0; 2820 2821 /* no op if this is not zfs */ 2822 if (is_zfs_mount == 0) 2823 return (0); 2824 2825 if (current_bootpath[0] == '\0' && current_devid[0] == '\0') { 2826 errnum = ERR_NO_BOOTPATH; 2827 return (1); 2828 } 2829 2830 outlen = strlen(in); 2831 blen = current_bootfs_obj == 0 ? strlen(current_rootpool) : 2832 strlen(current_rootpool) + 11; 2833 2834 out[0] = '\0'; 2835 while (token = strstr(in, "$ZFS-BOOTFS")) { 2836 2837 if ((outlen += blen) >= MAX_CMDLINE) { 2838 errnum = ERR_WONT_FIT; 2839 return (1); 2840 } 2841 2842 token[0] = '\0'; 2843 grub_sprintf(tmpout, "%s", in); 2844 token[0] = '$'; 2845 in = token + 11; /* skip over $ZFS-BOOTFS */ 2846 tmpout = out + strlen(out); 2847 2848 /* Note: %u only fits 32 bit integer; */ 2849 if (current_bootfs_obj > 0) 2850 grub_sprintf(tmpout, "zfs-bootfs=%s/%u", 2851 current_rootpool, current_bootfs_obj); 2852 else 2853 grub_sprintf(tmpout, "zfs-bootfs=%s", 2854 current_rootpool); 2855 tmpout = out + strlen(out); 2856 } 2857 2858 /* 2859 * Check to see if 'zfs-bootfs' was explicitly specified on the command 2860 * line so that we can insert the 'bootpath' property. 2861 */ 2862 if ((tmpout == out) && (token = strstr(in, "zfs-bootfs")) != NULL) { 2863 token[0] = '\0'; 2864 grub_strcpy(tmpout, in); 2865 token[0] = 'z'; 2866 in = token; 2867 2868 tmpout = out + strlen(out); 2869 postcomma = 1; 2870 } 2871 2872 /* 2873 * Set the 'bootpath' property if a ZFS dataset was specified, either 2874 * through '$ZFS-BOOTFS' or an explicit 'zfs-bootfs' setting. 2875 */ 2876 if (tmpout != out) { 2877 if (current_bootpath[0] != '\0') { 2878 if ((outlen += 12 + strlen(current_bootpath)) 2879 >= MAX_CMDLINE) { 2880 errnum = ERR_WONT_FIT; 2881 return (1); 2882 } 2883 grub_sprintf(tmpout, 2884 postcomma ? "bootpath=\"%s\"," : ",bootpath=\"%s\"", 2885 current_bootpath); 2886 tmpout = out + strlen(out); 2887 } 2888 2889 if (current_devid[0] != '\0') { 2890 if ((outlen += 13 + strlen(current_devid)) 2891 >= MAX_CMDLINE) { 2892 errnum = ERR_WONT_FIT; 2893 return (1); 2894 } 2895 grub_sprintf(tmpout, 2896 postcomma ? "diskdevid=\"%s\"," : ",diskdevid=\"%s\"", 2897 current_devid); 2898 } 2899 } 2900 2901 strncat(out, in, MAX_CMDLINE); 2902 return (0); 2903 } 2904 2905 /* kernel */ 2906 static int 2907 kernel_func (char *arg, int flags) 2908 { 2909 int len; 2910 kernel_t suggested_type = KERNEL_TYPE_NONE; 2911 unsigned long load_flags = 0; 2912 2913 #ifndef AUTO_LINUX_MEM_OPT 2914 load_flags |= KERNEL_LOAD_NO_MEM_OPTION; 2915 #endif 2916 2917 /* Deal with GNU-style long options. */ 2918 while (1) 2919 { 2920 /* If the option `--type=TYPE' is specified, convert the string to 2921 a kernel type. */ 2922 if (grub_memcmp (arg, "--type=", 7) == 0) 2923 { 2924 arg += 7; 2925 2926 if (grub_memcmp (arg, "netbsd", 6) == 0) 2927 suggested_type = KERNEL_TYPE_NETBSD; 2928 else if (grub_memcmp (arg, "freebsd", 7) == 0) 2929 suggested_type = KERNEL_TYPE_FREEBSD; 2930 else if (grub_memcmp (arg, "openbsd", 7) == 0) 2931 /* XXX: For now, OpenBSD is identical to NetBSD, from GRUB's 2932 point of view. */ 2933 suggested_type = KERNEL_TYPE_NETBSD; 2934 else if (grub_memcmp (arg, "linux", 5) == 0) 2935 suggested_type = KERNEL_TYPE_LINUX; 2936 else if (grub_memcmp (arg, "biglinux", 8) == 0) 2937 suggested_type = KERNEL_TYPE_BIG_LINUX; 2938 else if (grub_memcmp (arg, "multiboot", 9) == 0) 2939 suggested_type = KERNEL_TYPE_MULTIBOOT; 2940 else 2941 { 2942 errnum = ERR_BAD_ARGUMENT; 2943 return 1; 2944 } 2945 } 2946 /* If the `--no-mem-option' is specified, don't pass a Linux's mem 2947 option automatically. If the kernel is another type, this flag 2948 has no effect. */ 2949 else if (grub_memcmp (arg, "--no-mem-option", 15) == 0) 2950 load_flags |= KERNEL_LOAD_NO_MEM_OPTION; 2951 else 2952 break; 2953 2954 /* Try the next. */ 2955 arg = skip_to (0, arg); 2956 } 2957 2958 len = grub_strlen (arg); 2959 2960 /* Reset MB_CMDLINE. */ 2961 mb_cmdline = (char *) MB_CMDLINE_BUF; 2962 if (len + 1 > MB_CMDLINE_BUFLEN) 2963 { 2964 errnum = ERR_WONT_FIT; 2965 return 1; 2966 } 2967 2968 /* Copy the command-line to MB_CMDLINE. */ 2969 grub_memmove (mb_cmdline, arg, len + 1); 2970 kernel_type = load_image (arg, mb_cmdline, suggested_type, load_flags); 2971 if (kernel_type == KERNEL_TYPE_NONE) 2972 return 1; 2973 2974 mb_cmdline += grub_strlen(mb_cmdline) + 1; 2975 return 0; 2976 } 2977 2978 static struct builtin builtin_kernel = 2979 { 2980 "kernel", 2981 kernel_func, 2982 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2983 "kernel [--no-mem-option] [--type=TYPE] FILE [ARG ...]", 2984 "Attempt to load the primary boot image from FILE. The rest of the" 2985 " line is passed verbatim as the \"kernel command line\". Any modules" 2986 " must be reloaded after using this command. The option --type is used" 2987 " to suggest what type of kernel to be loaded. TYPE must be either of" 2988 " \"netbsd\", \"freebsd\", \"openbsd\", \"linux\", \"biglinux\" and" 2989 " \"multiboot\". The option --no-mem-option tells GRUB not to pass a" 2990 " Linux's mem option automatically." 2991 }; 2992 2993 int 2994 min_mem64_func(char *arg, int flags) 2995 { 2996 if (!safe_parse_maxint(&arg, &min_mem64)) 2997 return (1); 2998 } 2999 3000 static struct builtin builtin_min_mem64 = 3001 { 3002 "min_mem64", 3003 min_mem64_func, 3004 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 3005 "min_mem64 <memory in MB>", 3006 "Sets minimum memory (in MB) required for $ISADIR to expand to amd64, " 3007 "even on 64-bit capable hardware." 3008 }; 3009 3010 int 3011 check_min_mem64() 3012 { 3013 if (min_mem64 == 0) 3014 return (1); 3015 3016 if ((mbi.mem_upper / 10240) * 11 >= min_mem64) 3017 return (1); 3018 3019 return (0); 3020 } 3021 3022 static int detect_target_operating_mode(); 3023 3024 int 3025 amd64_config_cpu(void) 3026 { 3027 struct amd64_cpuid_regs __vcr, *vcr = &__vcr; 3028 uint32_t maxeax; 3029 uint32_t max_maxeax = 0x100; 3030 char vendor[13]; 3031 int isamd64 = 0; 3032 uint32_t stdfeatures = 0, xtdfeatures = 0; 3033 uint64_t efer; 3034 3035 /* 3036 * This check may seem silly, but if the C preprocesor symbol __amd64 3037 * is #defined during compilation, something that may outwardly seem 3038 * like a good idea, uts/common/sys/isa_defs.h will #define _LP64, 3039 * which will cause uts/common/sys/int_types.h to typedef uint64_t as 3040 * an unsigned long - which is only 4 bytes in size when using a 32-bit 3041 * compiler. 3042 * 3043 * If that happens, all the page table translation routines will fail 3044 * horribly, so check the size of uint64_t just to insure some degree 3045 * of sanity in future operations. 3046 */ 3047 /*LINTED [sizeof result is invarient]*/ 3048 if (sizeof (uint64_t) != 8) 3049 prom_panic("grub compiled improperly, unable to boot " 3050 "64-bit AMD64 executables"); 3051 3052 /* 3053 * If the CPU doesn't support the CPUID instruction, it's definitely 3054 * not an AMD64. 3055 */ 3056 if (amd64_cpuid_supported() == 0) 3057 return (0); 3058 3059 amd64_cpuid_insn(0, vcr); 3060 3061 maxeax = vcr->r_eax; 3062 { 3063 /*LINTED [vendor string from cpuid data]*/ 3064 uint32_t *iptr = (uint32_t *)vendor; 3065 3066 *iptr++ = vcr->r_ebx; 3067 *iptr++ = vcr->r_edx; 3068 *iptr++ = vcr->r_ecx; 3069 3070 vendor[12] = '\0'; 3071 } 3072 3073 if (maxeax > max_maxeax) { 3074 grub_printf("cpu: warning, maxeax was 0x%x -> 0x%x\n", 3075 maxeax, max_maxeax); 3076 maxeax = max_maxeax; 3077 } 3078 3079 if (maxeax < 1) 3080 return (0); /* no additional functions, not an AMD64 */ 3081 else { 3082 uint_t family, model, step; 3083 3084 amd64_cpuid_insn(1, vcr); 3085 3086 /* 3087 * All AMD64/IA32e processors technically SHOULD report 3088 * themselves as being in family 0xf, but for some reason 3089 * Simics doesn't, and this may change in the future, so 3090 * don't error out if it's not true. 3091 */ 3092 if ((family = BITX(vcr->r_eax, 11, 8)) == 0xf) 3093 family += BITX(vcr->r_eax, 27, 20); 3094 3095 if ((model = BITX(vcr->r_eax, 7, 4)) == 0xf) 3096 model += BITX(vcr->r_eax, 19, 16) << 4; 3097 step = BITX(vcr->r_eax, 3, 0); 3098 3099 grub_printf("cpu: '%s' family %d model %d step %d\n", 3100 vendor, family, model, step); 3101 stdfeatures = vcr->r_edx; 3102 } 3103 3104 amd64_cpuid_insn(0x80000000, vcr); 3105 3106 if (vcr->r_eax & 0x80000000) { 3107 uint32_t xmaxeax = vcr->r_eax; 3108 const uint32_t max_xmaxeax = 0x80000100; 3109 3110 if (xmaxeax > max_xmaxeax) { 3111 grub_printf("amd64: warning, xmaxeax was " 3112 "0x%x -> 0x%x\n", xmaxeax, max_xmaxeax); 3113 xmaxeax = max_xmaxeax; 3114 } 3115 3116 if (xmaxeax >= 0x80000001) { 3117 amd64_cpuid_insn(0x80000001, vcr); 3118 xtdfeatures = vcr->r_edx; 3119 } 3120 } 3121 3122 if (BITX(xtdfeatures, 29, 29)) /* long mode */ 3123 isamd64++; 3124 else 3125 grub_printf("amd64: CPU does NOT support long mode\n"); 3126 3127 if (!BITX(stdfeatures, 0, 0)) { 3128 grub_printf("amd64: CPU does NOT support FPU\n"); 3129 isamd64--; 3130 } 3131 3132 if (!BITX(stdfeatures, 4, 4)) { 3133 grub_printf("amd64: CPU does NOT support TSC\n"); 3134 isamd64--; 3135 } 3136 3137 if (!BITX(stdfeatures, 5, 5)) { 3138 grub_printf("amd64: CPU does NOT support MSRs\n"); 3139 isamd64--; 3140 } 3141 3142 if (!BITX(stdfeatures, 6, 6)) { 3143 grub_printf("amd64: CPU does NOT support PAE\n"); 3144 isamd64--; 3145 } 3146 3147 if (!BITX(stdfeatures, 8, 8)) { 3148 grub_printf("amd64: CPU does NOT support CX8\n"); 3149 isamd64--; 3150 } 3151 3152 if (!BITX(stdfeatures, 13, 13)) { 3153 grub_printf("amd64: CPU does NOT support PGE\n"); 3154 isamd64--; 3155 } 3156 3157 if (!BITX(stdfeatures, 19, 19)) { 3158 grub_printf("amd64: CPU does NOT support CLFSH\n"); 3159 isamd64--; 3160 } 3161 3162 if (!BITX(stdfeatures, 23, 23)) { 3163 grub_printf("amd64: CPU does NOT support MMX\n"); 3164 isamd64--; 3165 } 3166 3167 if (!BITX(stdfeatures, 24, 24)) { 3168 grub_printf("amd64: CPU does NOT support FXSR\n"); 3169 isamd64--; 3170 } 3171 3172 if (!BITX(stdfeatures, 25, 25)) { 3173 grub_printf("amd64: CPU does NOT support SSE\n"); 3174 isamd64--; 3175 } 3176 3177 if (!BITX(stdfeatures, 26, 26)) { 3178 grub_printf("amd64: CPU does NOT support SSE2\n"); 3179 isamd64--; 3180 } 3181 3182 if (isamd64 < 1) { 3183 grub_printf("amd64: CPU does not support amd64 executables.\n"); 3184 return (0); 3185 } 3186 3187 amd64_rdmsr(MSR_AMD_EFER, &efer); 3188 if (efer & AMD_EFER_SCE) 3189 grub_printf("amd64: EFER_SCE (syscall/sysret) already " 3190 "enabled\n"); 3191 if (efer & AMD_EFER_NXE) 3192 grub_printf("amd64: EFER_NXE (no-exec prot) already enabled\n"); 3193 if (efer & AMD_EFER_LME) 3194 grub_printf("amd64: EFER_LME (long mode) already enabled\n"); 3195 3196 return (detect_target_operating_mode()); 3197 } 3198 3199 static int 3200 detect_target_operating_mode() 3201 { 3202 int ret, ah; 3203 3204 ah = get_target_operating_mode(); 3205 3206 ah = ah >> 8; 3207 3208 /* XXX still need to pass back the return from the call */ 3209 ret = 0; 3210 3211 if (ah == 0x86 && (ret & CB) != 0) { 3212 grub_printf("[BIOS 'Detect Target Operating Mode' " 3213 "callback unsupported on this platform]\n"); 3214 return (1); /* unsupported, ignore */ 3215 } 3216 3217 if (ah == 0x0 && (ret & CB) == 0) { 3218 grub_printf("[BIOS accepted mixed-mode target setting!]\n"); 3219 return (1); /* told the bios what we're up to */ 3220 } 3221 3222 if (ah == 0 && ret & CB) { 3223 grub_printf("fatal: BIOS reports this machine CANNOT run in " 3224 "mixed 32/64-bit mode!\n"); 3225 return (0); 3226 } 3227 3228 grub_printf("warning: BIOS Detect Target Operating Mode callback " 3229 "confused.\n %%ax >> 8 = 0x%x, carry = %d\n", ah, 3230 ret & CB ? 1 : 0); 3231 3232 return (1); 3233 } 3234 3235 3236 int 3237 isamd64() 3238 { 3239 static int ret = -1; 3240 3241 if (ret == -1) 3242 ret = amd64_config_cpu(); 3243 3244 return (ret); 3245 } 3246 3247 static void 3248 expand_arch (char *arg, char *newarg) 3249 { 3250 char *index; 3251 3252 newarg[0] = '\0'; 3253 3254 while ((index = strstr(arg, "$ISADIR")) != NULL) { 3255 3256 index[0] = '\0'; 3257 strncat(newarg, arg, MAX_CMDLINE); 3258 index[0] = '$'; 3259 3260 if (isamd64() && check_min_mem64()) 3261 strncat(newarg, "amd64", MAX_CMDLINE); 3262 3263 arg = index + 7; 3264 } 3265 3266 strncat(newarg, arg, MAX_CMDLINE); 3267 return; 3268 } 3269 3270 /* kernel$ */ 3271 static int 3272 kernel_dollar_func (char *arg, int flags) 3273 { 3274 char newarg[MAX_CMDLINE]; /* everything boils down to MAX_CMDLINE */ 3275 3276 grub_printf("loading '%s' ...\n", arg); 3277 expand_arch(arg, newarg); 3278 3279 if (kernel_func(newarg, flags)) 3280 return (1); 3281 3282 mb_cmdline = (char *)MB_CMDLINE_BUF; 3283 if (expand_dollar_bootfs(newarg, mb_cmdline)) { 3284 grub_printf("cannot expand $ZFS-BOOTFS for dataset %s\n", 3285 current_bootfs); 3286 return (1); 3287 } 3288 3289 grub_printf("'%s' is loaded\n", mb_cmdline); 3290 mb_cmdline += grub_strlen(mb_cmdline) + 1; 3291 3292 return (0); 3293 } 3294 3295 static struct builtin builtin_kernel_dollar = 3296 { 3297 "kernel$", 3298 kernel_dollar_func, 3299 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3300 "kernel$ [--no-mem-option] [--type=TYPE] FILE [ARG ...]", 3301 " Just like kernel, but with $ISADIR expansion." 3302 }; 3303 3304 3305 /* lock */ 3306 static int 3307 lock_func (char *arg, int flags) 3308 { 3309 if (! auth && password) 3310 { 3311 errnum = ERR_PRIVILEGED; 3312 return 1; 3313 } 3314 3315 return 0; 3316 } 3317 3318 static struct builtin builtin_lock = 3319 { 3320 "lock", 3321 lock_func, 3322 BUILTIN_CMDLINE, 3323 "lock", 3324 "Break a command execution unless the user is authenticated." 3325 }; 3326 3327 3328 /* makeactive */ 3329 static int 3330 makeactive_func (char *arg, int flags) 3331 { 3332 if (! make_saved_active ()) 3333 return 1; 3334 3335 return 0; 3336 } 3337 3338 static struct builtin builtin_makeactive = 3339 { 3340 "makeactive", 3341 makeactive_func, 3342 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3343 "makeactive", 3344 "Set the active partition on the root disk to GRUB's root device." 3345 " This command is limited to _primary_ PC partitions on a hard disk." 3346 }; 3347 3348 3349 /* map */ 3350 /* Map FROM_DRIVE to TO_DRIVE. */ 3351 static int 3352 map_func (char *arg, int flags) 3353 { 3354 char *to_drive; 3355 char *from_drive; 3356 unsigned long to, from; 3357 int i; 3358 3359 to_drive = arg; 3360 from_drive = skip_to (0, arg); 3361 3362 /* Get the drive number for TO_DRIVE. */ 3363 set_device (to_drive); 3364 if (errnum) 3365 return 1; 3366 to = current_drive; 3367 3368 /* Get the drive number for FROM_DRIVE. */ 3369 set_device (from_drive); 3370 if (errnum) 3371 return 1; 3372 from = current_drive; 3373 3374 /* Search for an empty slot in BIOS_DRIVE_MAP. */ 3375 for (i = 0; i < DRIVE_MAP_SIZE; i++) 3376 { 3377 /* Perhaps the user wants to override the map. */ 3378 if ((bios_drive_map[i] & 0xff) == from) 3379 break; 3380 3381 if (! bios_drive_map[i]) 3382 break; 3383 } 3384 3385 if (i == DRIVE_MAP_SIZE) 3386 { 3387 errnum = ERR_WONT_FIT; 3388 return 1; 3389 } 3390 3391 if (to == from) 3392 /* If TO is equal to FROM, delete the entry. */ 3393 grub_memmove ((char *) &bios_drive_map[i], (char *) &bios_drive_map[i + 1], 3394 sizeof (unsigned short) * (DRIVE_MAP_SIZE - i)); 3395 else 3396 bios_drive_map[i] = from | (to << 8); 3397 3398 return 0; 3399 } 3400 3401 static struct builtin builtin_map = 3402 { 3403 "map", 3404 map_func, 3405 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3406 "map TO_DRIVE FROM_DRIVE", 3407 "Map the drive FROM_DRIVE to the drive TO_DRIVE. This is necessary" 3408 " when you chain-load some operating systems, such as DOS, if such an" 3409 " OS resides at a non-first drive." 3410 }; 3411 3412 3413 #ifdef USE_MD5_PASSWORDS 3414 /* md5crypt */ 3415 static int 3416 md5crypt_func (char *arg, int flags) 3417 { 3418 char crypted[36]; 3419 char key[32]; 3420 unsigned int seed; 3421 int i; 3422 const char *const seedchars = 3423 "./0123456789ABCDEFGHIJKLMNOPQRST" 3424 "UVWXYZabcdefghijklmnopqrstuvwxyz"; 3425 3426 /* First create a salt. */ 3427 3428 /* The magical prefix. */ 3429 grub_memset (crypted, 0, sizeof (crypted)); 3430 grub_memmove (crypted, "$1$", 3); 3431 3432 /* Create the length of a salt. */ 3433 seed = currticks (); 3434 3435 /* Generate a salt. */ 3436 for (i = 0; i < 8 && seed; i++) 3437 { 3438 /* FIXME: This should be more random. */ 3439 crypted[3 + i] = seedchars[seed & 0x3f]; 3440 seed >>= 6; 3441 } 3442 3443 /* A salt must be terminated with `$', if it is less than 8 chars. */ 3444 crypted[3 + i] = '$'; 3445 3446 #ifdef DEBUG_MD5CRYPT 3447 grub_printf ("salt = %s\n", crypted); 3448 #endif 3449 3450 /* Get a password. */ 3451 grub_memset (key, 0, sizeof (key)); 3452 get_cmdline ("Password: ", key, sizeof (key) - 1, '*', 0); 3453 3454 /* Crypt the key. */ 3455 make_md5_password (key, crypted); 3456 3457 grub_printf ("Encrypted: %s\n", crypted); 3458 return 0; 3459 } 3460 3461 static struct builtin builtin_md5crypt = 3462 { 3463 "md5crypt", 3464 md5crypt_func, 3465 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3466 "md5crypt", 3467 "Generate a password in MD5 format." 3468 }; 3469 #endif /* USE_MD5_PASSWORDS */ 3470 3471 3472 /* module */ 3473 static int 3474 module_func (char *arg, int flags) 3475 { 3476 int len = grub_strlen (arg); 3477 3478 switch (kernel_type) 3479 { 3480 case KERNEL_TYPE_MULTIBOOT: 3481 if (mb_cmdline + len + 1 > (char *) MB_CMDLINE_BUF + MB_CMDLINE_BUFLEN) 3482 { 3483 errnum = ERR_WONT_FIT; 3484 return 1; 3485 } 3486 grub_memmove (mb_cmdline, arg, len + 1); 3487 if (! load_module (arg, mb_cmdline)) 3488 return 1; 3489 3490 mb_cmdline += grub_strlen(mb_cmdline) + 1; 3491 break; 3492 3493 case KERNEL_TYPE_LINUX: 3494 case KERNEL_TYPE_BIG_LINUX: 3495 if (! load_initrd (arg)) 3496 return 1; 3497 break; 3498 3499 default: 3500 errnum = ERR_NEED_MB_KERNEL; 3501 return 1; 3502 } 3503 3504 return 0; 3505 } 3506 3507 static struct builtin builtin_module = 3508 { 3509 "module", 3510 module_func, 3511 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3512 "module FILE [ARG ...]", 3513 "Load a boot module FILE for a Multiboot format boot image (no" 3514 " interpretation of the file contents is made, so users of this" 3515 " command must know what the kernel in question expects). The" 3516 " rest of the line is passed as the \"module command line\", like" 3517 " the `kernel' command." 3518 }; 3519 3520 /* module$ */ 3521 static int 3522 module_dollar_func (char *arg, int flags) 3523 { 3524 char newarg[MAX_CMDLINE]; /* everything boils down to MAX_CMDLINE */ 3525 char *cmdline_sav; 3526 3527 grub_printf("loading '%s' ...\n", arg); 3528 expand_arch(arg, newarg); 3529 3530 cmdline_sav = (char *)mb_cmdline; 3531 if (module_func(newarg, flags)) 3532 return (1); 3533 3534 if (expand_dollar_bootfs(newarg, cmdline_sav)) { 3535 grub_printf("cannot expand $ZFS-BOOTFS for dataset %s\n", 3536 current_bootfs); 3537 return (1); 3538 } 3539 3540 grub_printf("'%s' is loaded\n", (char *)cmdline_sav); 3541 mb_cmdline += grub_strlen(cmdline_sav) + 1; 3542 3543 return (0); 3544 } 3545 3546 static struct builtin builtin_module_dollar = 3547 { 3548 "module$", 3549 module_dollar_func, 3550 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3551 "module FILE [ARG ...]", 3552 " Just like module, but with $ISADIR expansion." 3553 }; 3554 3555 3556 /* modulenounzip */ 3557 static int 3558 modulenounzip_func (char *arg, int flags) 3559 { 3560 int ret; 3561 3562 #ifndef NO_DECOMPRESSION 3563 no_decompression = 1; 3564 #endif 3565 3566 ret = module_func (arg, flags); 3567 3568 #ifndef NO_DECOMPRESSION 3569 no_decompression = 0; 3570 #endif 3571 3572 return ret; 3573 } 3574 3575 static struct builtin builtin_modulenounzip = 3576 { 3577 "modulenounzip", 3578 modulenounzip_func, 3579 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3580 "modulenounzip FILE [ARG ...]", 3581 "The same as `module', except that automatic decompression is" 3582 " disabled." 3583 }; 3584 3585 3586 /* pager [on|off] */ 3587 static int 3588 pager_func (char *arg, int flags) 3589 { 3590 /* If ARG is empty, toggle the flag. */ 3591 if (! *arg) 3592 use_pager = ! use_pager; 3593 else if (grub_memcmp (arg, "on", 2) == 0) 3594 use_pager = 1; 3595 else if (grub_memcmp (arg, "off", 3) == 0) 3596 use_pager = 0; 3597 else 3598 { 3599 errnum = ERR_BAD_ARGUMENT; 3600 return 1; 3601 } 3602 3603 grub_printf (" Internal pager is now %s\n", use_pager ? "on" : "off"); 3604 return 0; 3605 } 3606 3607 static struct builtin builtin_pager = 3608 { 3609 "pager", 3610 pager_func, 3611 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3612 "pager [FLAG]", 3613 "Toggle pager mode with no argument. If FLAG is given and its value" 3614 " is `on', turn on the mode. If FLAG is `off', turn off the mode." 3615 }; 3616 3617 3618 /* partnew PART TYPE START LEN */ 3619 static int 3620 partnew_func (char *arg, int flags) 3621 { 3622 int new_type, new_start, new_len; 3623 int start_cl, start_ch, start_dh; 3624 int end_cl, end_ch, end_dh; 3625 int entry; 3626 char mbr[512]; 3627 3628 /* Convert a LBA address to a CHS address in the INT 13 format. */ 3629 auto void lba_to_chs (int lba, int *cl, int *ch, int *dh); 3630 void lba_to_chs (int lba, int *cl, int *ch, int *dh) 3631 { 3632 int cylinder, head, sector; 3633 3634 sector = lba % buf_geom.sectors + 1; 3635 head = (lba / buf_geom.sectors) % buf_geom.heads; 3636 cylinder = lba / (buf_geom.sectors * buf_geom.heads); 3637 3638 if (cylinder >= buf_geom.cylinders) 3639 cylinder = buf_geom.cylinders - 1; 3640 3641 *cl = sector | ((cylinder & 0x300) >> 2); 3642 *ch = cylinder & 0xFF; 3643 *dh = head; 3644 } 3645 3646 /* Get the drive and the partition. */ 3647 if (! set_device (arg)) 3648 return 1; 3649 3650 /* The drive must be a hard disk. */ 3651 if (! (current_drive & 0x80)) 3652 { 3653 errnum = ERR_BAD_ARGUMENT; 3654 return 1; 3655 } 3656 3657 /* The partition must a primary partition. */ 3658 if ((current_partition >> 16) > 3 3659 || (current_partition & 0xFFFF) != 0xFFFF) 3660 { 3661 errnum = ERR_BAD_ARGUMENT; 3662 return 1; 3663 } 3664 3665 entry = current_partition >> 16; 3666 3667 /* Get the new partition type. */ 3668 arg = skip_to (0, arg); 3669 if (! safe_parse_maxint (&arg, &new_type)) 3670 return 1; 3671 3672 /* The partition type is unsigned char. */ 3673 if (new_type > 0xFF) 3674 { 3675 errnum = ERR_BAD_ARGUMENT; 3676 return 1; 3677 } 3678 3679 /* Get the new partition start. */ 3680 arg = skip_to (0, arg); 3681 if (! safe_parse_maxint (&arg, &new_start)) 3682 return 1; 3683 3684 /* Get the new partition length. */ 3685 arg = skip_to (0, arg); 3686 if (! safe_parse_maxint (&arg, &new_len)) 3687 return 1; 3688 3689 /* Read the MBR. */ 3690 if (! rawread (current_drive, 0, 0, SECTOR_SIZE, mbr)) 3691 return 1; 3692 3693 /* Store the partition information in the MBR. */ 3694 lba_to_chs (new_start, &start_cl, &start_ch, &start_dh); 3695 lba_to_chs (new_start + new_len - 1, &end_cl, &end_ch, &end_dh); 3696 3697 PC_SLICE_FLAG (mbr, entry) = 0; 3698 PC_SLICE_HEAD (mbr, entry) = start_dh; 3699 PC_SLICE_SEC (mbr, entry) = start_cl; 3700 PC_SLICE_CYL (mbr, entry) = start_ch; 3701 PC_SLICE_TYPE (mbr, entry) = new_type; 3702 PC_SLICE_EHEAD (mbr, entry) = end_dh; 3703 PC_SLICE_ESEC (mbr, entry) = end_cl; 3704 PC_SLICE_ECYL (mbr, entry) = end_ch; 3705 PC_SLICE_START (mbr, entry) = new_start; 3706 PC_SLICE_LENGTH (mbr, entry) = new_len; 3707 3708 /* Make sure that the MBR has a valid signature. */ 3709 PC_MBR_SIG (mbr) = PC_MBR_SIGNATURE; 3710 3711 /* Write back the MBR to the disk. */ 3712 buf_track = BUF_CACHE_INVALID; 3713 if (! rawwrite (current_drive, 0, mbr)) 3714 return 1; 3715 3716 return 0; 3717 } 3718 3719 static struct builtin builtin_partnew = 3720 { 3721 "partnew", 3722 partnew_func, 3723 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3724 "partnew PART TYPE START LEN", 3725 "Create a primary partition at the starting address START with the" 3726 " length LEN, with the type TYPE. START and LEN are in sector units." 3727 }; 3728 3729 3730 /* parttype PART TYPE */ 3731 static int 3732 parttype_func (char *arg, int flags) 3733 { 3734 int new_type; 3735 unsigned long part = 0xFFFFFF; 3736 unsigned long start, len, offset, ext_offset; 3737 int entry, type; 3738 char mbr[512]; 3739 3740 /* Get the drive and the partition. */ 3741 if (! set_device (arg)) 3742 return 1; 3743 3744 /* The drive must be a hard disk. */ 3745 if (! (current_drive & 0x80)) 3746 { 3747 errnum = ERR_BAD_ARGUMENT; 3748 return 1; 3749 } 3750 3751 /* The partition must be a PC slice. */ 3752 if ((current_partition >> 16) == 0xFF 3753 || (current_partition & 0xFFFF) != 0xFFFF) 3754 { 3755 errnum = ERR_BAD_ARGUMENT; 3756 return 1; 3757 } 3758 3759 /* Get the new partition type. */ 3760 arg = skip_to (0, arg); 3761 if (! safe_parse_maxint (&arg, &new_type)) 3762 return 1; 3763 3764 /* The partition type is unsigned char. */ 3765 if (new_type > 0xFF) 3766 { 3767 errnum = ERR_BAD_ARGUMENT; 3768 return 1; 3769 } 3770 3771 /* Look for the partition. */ 3772 while (next_partition (current_drive, 0xFFFFFF, &part, &type, 3773 &start, &len, &offset, &entry, 3774 &ext_offset, mbr)) 3775 { 3776 if (part == current_partition) 3777 { 3778 /* Found. */ 3779 3780 /* Set the type to NEW_TYPE. */ 3781 PC_SLICE_TYPE (mbr, entry) = new_type; 3782 3783 /* Write back the MBR to the disk. */ 3784 buf_track = BUF_CACHE_INVALID; 3785 if (! rawwrite (current_drive, offset, mbr)) 3786 return 1; 3787 3788 /* Succeed. */ 3789 return 0; 3790 } 3791 } 3792 3793 /* The partition was not found. ERRNUM was set by next_partition. */ 3794 return 1; 3795 } 3796 3797 static struct builtin builtin_parttype = 3798 { 3799 "parttype", 3800 parttype_func, 3801 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3802 "parttype PART TYPE", 3803 "Change the type of the partition PART to TYPE." 3804 }; 3805 3806 3807 /* password */ 3808 static int 3809 password_func (char *arg, int flags) 3810 { 3811 int len; 3812 password_t type = PASSWORD_PLAIN; 3813 3814 #ifdef USE_MD5_PASSWORDS 3815 if (grub_memcmp (arg, "--md5", 5) == 0) 3816 { 3817 type = PASSWORD_MD5; 3818 arg = skip_to (0, arg); 3819 } 3820 #endif 3821 if (grub_memcmp (arg, "--", 2) == 0) 3822 { 3823 type = PASSWORD_UNSUPPORTED; 3824 arg = skip_to (0, arg); 3825 } 3826 3827 if ((flags & (BUILTIN_CMDLINE | BUILTIN_SCRIPT)) != 0) 3828 { 3829 /* Do password check! */ 3830 char entered[32]; 3831 3832 /* Wipe out any previously entered password */ 3833 entered[0] = 0; 3834 get_cmdline ("Password: ", entered, 31, '*', 0); 3835 3836 nul_terminate (arg); 3837 if (check_password (entered, arg, type) != 0) 3838 { 3839 errnum = ERR_PRIVILEGED; 3840 return 1; 3841 } 3842 } 3843 else 3844 { 3845 len = grub_strlen (arg); 3846 3847 /* PASSWORD NUL NUL ... */ 3848 if (len + 2 > PASSWORD_BUFLEN) 3849 { 3850 errnum = ERR_WONT_FIT; 3851 return 1; 3852 } 3853 3854 /* Copy the password and clear the rest of the buffer. */ 3855 password = (char *) PASSWORD_BUF; 3856 grub_memmove (password, arg, len); 3857 grub_memset (password + len, 0, PASSWORD_BUFLEN - len); 3858 password_type = type; 3859 } 3860 return 0; 3861 } 3862 3863 static struct builtin builtin_password = 3864 { 3865 "password", 3866 password_func, 3867 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_NO_ECHO, 3868 "password [--md5] PASSWD [FILE]", 3869 "If used in the first section of a menu file, disable all" 3870 " interactive editing control (menu entry editor and" 3871 " command line). If the password PASSWD is entered, it loads the" 3872 " FILE as a new config file and restarts the GRUB Stage 2. If you" 3873 " omit the argument FILE, then GRUB just unlocks privileged" 3874 " instructions. You can also use it in the script section, in" 3875 " which case it will ask for the password, before continueing." 3876 " The option --md5 tells GRUB that PASSWD is encrypted with" 3877 " md5crypt." 3878 }; 3879 3880 3881 /* pause */ 3882 static int 3883 pause_func (char *arg, int flags) 3884 { 3885 printf("%s\n", arg); 3886 3887 /* If ESC is returned, then abort this entry. */ 3888 if (ASCII_CHAR (getkey ()) == 27) 3889 return 1; 3890 3891 return 0; 3892 } 3893 3894 static struct builtin builtin_pause = 3895 { 3896 "pause", 3897 pause_func, 3898 BUILTIN_CMDLINE | BUILTIN_NO_ECHO, 3899 "pause [MESSAGE ...]", 3900 "Print MESSAGE, then wait until a key is pressed." 3901 }; 3902 3903 3904 #ifdef GRUB_UTIL 3905 /* quit */ 3906 static int 3907 quit_func (char *arg, int flags) 3908 { 3909 stop (); 3910 3911 /* Never reach here. */ 3912 return 0; 3913 } 3914 3915 static struct builtin builtin_quit = 3916 { 3917 "quit", 3918 quit_func, 3919 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3920 "quit", 3921 "Exit from the GRUB shell." 3922 }; 3923 #endif /* GRUB_UTIL */ 3924 3925 3926 #ifdef SUPPORT_NETBOOT 3927 /* rarp */ 3928 static int 3929 rarp_func (char *arg, int flags) 3930 { 3931 if (! rarp ()) 3932 { 3933 if (errnum == ERR_NONE) 3934 errnum = ERR_DEV_VALUES; 3935 3936 return 1; 3937 } 3938 3939 /* Notify the configuration. */ 3940 print_network_configuration (); 3941 return 0; 3942 } 3943 3944 static struct builtin builtin_rarp = 3945 { 3946 "rarp", 3947 rarp_func, 3948 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3949 "rarp", 3950 "Initialize a network device via RARP." 3951 }; 3952 #endif /* SUPPORT_NETBOOT */ 3953 3954 3955 static int 3956 read_func (char *arg, int flags) 3957 { 3958 int addr; 3959 3960 if (! safe_parse_maxint (&arg, &addr)) 3961 return 1; 3962 3963 grub_printf ("Address 0x%x: Value 0x%x\n", 3964 addr, *((unsigned *) RAW_ADDR (addr))); 3965 return 0; 3966 } 3967 3968 static struct builtin builtin_read = 3969 { 3970 "read", 3971 read_func, 3972 BUILTIN_CMDLINE, 3973 "read ADDR", 3974 "Read a 32-bit value from memory at address ADDR and" 3975 " display it in hex format." 3976 }; 3977 3978 3979 /* reboot */ 3980 static int 3981 reboot_func (char *arg, int flags) 3982 { 3983 grub_reboot (); 3984 3985 /* Never reach here. */ 3986 return 1; 3987 } 3988 3989 static struct builtin builtin_reboot = 3990 { 3991 "reboot", 3992 reboot_func, 3993 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3994 "reboot", 3995 "Reboot your system." 3996 }; 3997 3998 3999 /* Print the root device information. */ 4000 static void 4001 print_root_device (void) 4002 { 4003 if (saved_drive == NETWORK_DRIVE) 4004 { 4005 /* Network drive. */ 4006 grub_printf (" (nd):"); 4007 } 4008 else if (saved_drive & 0x80) 4009 { 4010 /* Hard disk drive. */ 4011 grub_printf (" (hd%d", saved_drive - 0x80); 4012 4013 if ((saved_partition & 0xFF0000) != 0xFF0000) 4014 grub_printf (",%d", saved_partition >> 16); 4015 4016 if ((saved_partition & 0x00FF00) != 0x00FF00) 4017 grub_printf (",%c", ((saved_partition >> 8) & 0xFF) + 'a'); 4018 4019 grub_printf ("):"); 4020 } 4021 else 4022 { 4023 /* Floppy disk drive. */ 4024 grub_printf (" (fd%d):", saved_drive); 4025 } 4026 4027 /* Print the filesystem information. */ 4028 current_partition = saved_partition; 4029 current_drive = saved_drive; 4030 print_fsys_type (); 4031 } 4032 4033 static int 4034 real_root_func (char *arg, int attempt_mount) 4035 { 4036 int hdbias = 0; 4037 char *biasptr; 4038 char *next; 4039 4040 /* If ARG is empty, just print the current root device. */ 4041 if (! *arg) 4042 { 4043 print_root_device (); 4044 return 0; 4045 } 4046 4047 /* Call set_device to get the drive and the partition in ARG. */ 4048 next = set_device (arg); 4049 if (! next) 4050 return 1; 4051 4052 /* Ignore ERR_FSYS_MOUNT. */ 4053 if (attempt_mount) 4054 { 4055 if (! open_device () && errnum != ERR_FSYS_MOUNT) 4056 return 1; 4057 } 4058 else 4059 { 4060 /* This is necessary, because the location of a partition table 4061 must be set appropriately. */ 4062 if (open_partition ()) 4063 { 4064 set_bootdev (0); 4065 if (errnum) 4066 return 1; 4067 } 4068 } 4069 4070 /* Clear ERRNUM. */ 4071 errnum = 0; 4072 saved_partition = current_partition; 4073 saved_drive = current_drive; 4074 4075 if (attempt_mount) 4076 { 4077 /* BSD and chainloading evil hacks !! */ 4078 biasptr = skip_to (0, next); 4079 safe_parse_maxint (&biasptr, &hdbias); 4080 errnum = 0; 4081 bootdev = set_bootdev (hdbias); 4082 if (errnum) 4083 return 1; 4084 4085 /* Print the type of the filesystem. */ 4086 print_fsys_type (); 4087 } 4088 4089 return 0; 4090 } 4091 4092 static int 4093 root_func (char *arg, int flags) 4094 { 4095 is_zfs_mount = 0; 4096 return real_root_func (arg, 1); 4097 } 4098 4099 static struct builtin builtin_root = 4100 { 4101 "root", 4102 root_func, 4103 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4104 "root [DEVICE [HDBIAS]]", 4105 "Set the current \"root device\" to the device DEVICE, then" 4106 " attempt to mount it to get the partition size (for passing the" 4107 " partition descriptor in `ES:ESI', used by some chain-loaded" 4108 " bootloaders), the BSD drive-type (for booting BSD kernels using" 4109 " their native boot format), and correctly determine " 4110 " the PC partition where a BSD sub-partition is located. The" 4111 " optional HDBIAS parameter is a number to tell a BSD kernel" 4112 " how many BIOS drive numbers are on controllers before the current" 4113 " one. For example, if there is an IDE disk and a SCSI disk, and your" 4114 " FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS." 4115 }; 4116 4117 4118 /* findroot */ 4119 int 4120 findroot_func (char *arg, int flags) 4121 { 4122 int ret; 4123 char root[32]; 4124 4125 if (grub_strlen(arg) >= BOOTSIGN_ARGLEN) { 4126 errnum = ERR_BAD_ARGUMENT; 4127 return 1; 4128 } 4129 4130 if (arg[0] == '\0') { 4131 errnum = ERR_BAD_ARGUMENT; 4132 return 1; 4133 } 4134 4135 find_best_root = 1; 4136 best_drive = 0; 4137 best_part = 0; 4138 ret = find_common(arg, root, 1, flags); 4139 if (ret != 0) 4140 return (ret); 4141 find_best_root = 0; 4142 4143 return real_root_func (root, 1); 4144 } 4145 4146 static struct builtin builtin_findroot = 4147 { 4148 "findroot", 4149 findroot_func, 4150 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4151 "findroot <SIGNATURE | (SIGNATURE,partition[,slice])>", 4152 "Searches across all partitions for the file name SIGNATURE." 4153 " GRUB looks only in the directory /boot/grub/bootsign for the" 4154 " filename and it stops as soon as it finds the first instance of" 4155 " the file - so to be useful the name of the signature file must be" 4156 " unique across all partitions. Once the signature file is found," 4157 " GRUB invokes the \"root\" command on that partition." 4158 " An optional partition and slice may be specified to optimize the search." 4159 }; 4160 4161 4162 /* 4163 * COMMAND to override the default root filesystem for ZFS 4164 * bootfs pool/fs 4165 */ 4166 static int 4167 bootfs_func (char *arg, int flags) 4168 { 4169 int hdbias = 0; 4170 char *biasptr; 4171 char *next; 4172 4173 if (! *arg) { 4174 if (current_bootfs[0] != '\0') 4175 grub_printf ("The zfs boot filesystem is set to '%s'.\n", 4176 current_bootfs); 4177 else if (current_rootpool[0] != 0 && current_bootfs_obj != 0) 4178 grub_printf("The zfs boot filesystem is <default: %s/%u>.", 4179 current_rootpool, current_bootfs_obj); 4180 else 4181 grub_printf ("The zfs boot filesystem will be derived from " 4182 "the default bootfs pool property.\n"); 4183 4184 return (1); 4185 } 4186 4187 /* Verify the zfs filesystem name */ 4188 if (arg[0] == '/' || arg[0] == '\0') { 4189 errnum = ERR_BAD_ARGUMENT; 4190 return 0; 4191 } 4192 if (current_rootpool[0] != 0 && grub_strncmp(arg, 4193 current_rootpool, strlen(current_rootpool))) { 4194 errnum = ERR_BAD_ARGUMENT; 4195 return 0; 4196 } 4197 4198 grub_memmove(current_bootfs, arg, MAXNAMELEN); 4199 4200 return (1); 4201 } 4202 4203 static struct builtin builtin_bootfs = 4204 { 4205 "bootfs", 4206 bootfs_func, 4207 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4208 "bootfs [ZFSBOOTFS]", 4209 "Set the current zfs boot filesystem to ZFSBOOTFS (rootpool/rootfs)." 4210 }; 4211 4212 4213 /* rootnoverify */ 4214 static int 4215 rootnoverify_func (char *arg, int flags) 4216 { 4217 return real_root_func (arg, 0); 4218 } 4219 4220 static struct builtin builtin_rootnoverify = 4221 { 4222 "rootnoverify", 4223 rootnoverify_func, 4224 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4225 "rootnoverify [DEVICE [HDBIAS]]", 4226 "Similar to `root', but don't attempt to mount the partition. This" 4227 " is useful for when an OS is outside of the area of the disk that" 4228 " GRUB can read, but setting the correct root device is still" 4229 " desired. Note that the items mentioned in `root' which" 4230 " derived from attempting the mount will NOT work correctly." 4231 }; 4232 4233 4234 /* savedefault */ 4235 static int 4236 savedefault_func (char *arg, int flags) 4237 { 4238 #if !defined(SUPPORT_DISKLESS) && !defined(GRUB_UTIL) 4239 unsigned long tmp_drive = saved_drive; 4240 unsigned long tmp_partition = saved_partition; 4241 char *default_file = (char *) DEFAULT_FILE_BUF; 4242 char buf[10]; 4243 char sect[SECTOR_SIZE]; 4244 int entryno; 4245 int sector_count = 0; 4246 unsigned int saved_sectors[2]; 4247 int saved_offsets[2]; 4248 int saved_lengths[2]; 4249 4250 /* not supported for zfs root */ 4251 if (is_zfs_mount == 1) { 4252 return (0); /* no-op */ 4253 } 4254 4255 /* Save sector information about at most two sectors. */ 4256 auto void disk_read_savesect_func (unsigned int sector, int offset, 4257 int length); 4258 void disk_read_savesect_func (unsigned int sector, int offset, int length) 4259 { 4260 if (sector_count < 2) 4261 { 4262 saved_sectors[sector_count] = sector; 4263 saved_offsets[sector_count] = offset; 4264 saved_lengths[sector_count] = length; 4265 } 4266 sector_count++; 4267 } 4268 4269 /* This command is only useful when you boot an entry from the menu 4270 interface. */ 4271 if (! (flags & BUILTIN_SCRIPT)) 4272 { 4273 errnum = ERR_UNRECOGNIZED; 4274 return 1; 4275 } 4276 4277 /* Determine a saved entry number. */ 4278 if (*arg) 4279 { 4280 if (grub_memcmp (arg, "fallback", sizeof ("fallback") - 1) == 0) 4281 { 4282 int i; 4283 int index = 0; 4284 4285 for (i = 0; i < MAX_FALLBACK_ENTRIES; i++) 4286 { 4287 if (fallback_entries[i] < 0) 4288 break; 4289 if (fallback_entries[i] == current_entryno) 4290 { 4291 index = i + 1; 4292 break; 4293 } 4294 } 4295 4296 if (index >= MAX_FALLBACK_ENTRIES || fallback_entries[index] < 0) 4297 { 4298 /* This is the last. */ 4299 errnum = ERR_BAD_ARGUMENT; 4300 return 1; 4301 } 4302 4303 entryno = fallback_entries[index]; 4304 } 4305 else if (! safe_parse_maxint (&arg, &entryno)) 4306 return 1; 4307 } 4308 else 4309 entryno = current_entryno; 4310 4311 /* Open the default file. */ 4312 saved_drive = boot_drive; 4313 saved_partition = install_partition; 4314 if (grub_open (default_file)) 4315 { 4316 int len; 4317 4318 disk_read_hook = disk_read_savesect_func; 4319 len = grub_read (buf, sizeof (buf)); 4320 disk_read_hook = 0; 4321 grub_close (); 4322 4323 if (len != sizeof (buf)) 4324 { 4325 /* This is too small. Do not modify the file manually, please! */ 4326 errnum = ERR_READ; 4327 goto fail; 4328 } 4329 4330 if (sector_count > 2) 4331 { 4332 /* Is this possible?! Too fragmented! */ 4333 errnum = ERR_FSYS_CORRUPT; 4334 goto fail; 4335 } 4336 4337 /* Set up a string to be written. */ 4338 grub_memset (buf, '\n', sizeof (buf)); 4339 grub_sprintf (buf, "%d", entryno); 4340 4341 if (saved_lengths[0] < sizeof (buf)) 4342 { 4343 /* The file is anchored to another file and the first few bytes 4344 are spanned in two sectors. Uggh... */ 4345 if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE, 4346 sect)) 4347 goto fail; 4348 grub_memmove (sect + saved_offsets[0], buf, saved_lengths[0]); 4349 if (! rawwrite (current_drive, saved_sectors[0], sect)) 4350 goto fail; 4351 4352 if (! rawread (current_drive, saved_sectors[1], 0, SECTOR_SIZE, 4353 sect)) 4354 goto fail; 4355 grub_memmove (sect + saved_offsets[1], 4356 buf + saved_lengths[0], 4357 sizeof (buf) - saved_lengths[0]); 4358 if (! rawwrite (current_drive, saved_sectors[1], sect)) 4359 goto fail; 4360 } 4361 else 4362 { 4363 /* This is a simple case. It fits into a single sector. */ 4364 if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE, 4365 sect)) 4366 goto fail; 4367 grub_memmove (sect + saved_offsets[0], buf, sizeof (buf)); 4368 if (! rawwrite (current_drive, saved_sectors[0], sect)) 4369 goto fail; 4370 } 4371 4372 /* Clear the cache. */ 4373 buf_track = BUF_CACHE_INVALID; 4374 } 4375 4376 fail: 4377 saved_drive = tmp_drive; 4378 saved_partition = tmp_partition; 4379 return errnum; 4380 #else /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */ 4381 errnum = ERR_UNRECOGNIZED; 4382 return 1; 4383 #endif /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */ 4384 } 4385 4386 static struct builtin builtin_savedefault = 4387 { 4388 "savedefault", 4389 savedefault_func, 4390 BUILTIN_CMDLINE, 4391 "savedefault [NUM | `fallback']", 4392 "Save the current entry as the default boot entry if no argument is" 4393 " specified. If a number is specified, this number is saved. If" 4394 " `fallback' is used, next fallback entry is saved." 4395 }; 4396 4397 4398 #ifdef SUPPORT_SERIAL 4399 /* serial */ 4400 static int 4401 serial_func (char *arg, int flags) 4402 { 4403 unsigned short port = serial_hw_get_port (0); 4404 unsigned int speed = 9600; 4405 int word_len = UART_8BITS_WORD; 4406 int parity = UART_NO_PARITY; 4407 int stop_bit_len = UART_1_STOP_BIT; 4408 4409 /* Process GNU-style long options. 4410 FIXME: We should implement a getopt-like function, to avoid 4411 duplications. */ 4412 while (1) 4413 { 4414 if (grub_memcmp (arg, "--unit=", sizeof ("--unit=") - 1) == 0) 4415 { 4416 char *p = arg + sizeof ("--unit=") - 1; 4417 int unit; 4418 4419 if (! safe_parse_maxint (&p, &unit)) 4420 return 1; 4421 4422 if (unit < 0 || unit > 3) 4423 { 4424 errnum = ERR_DEV_VALUES; 4425 return 1; 4426 } 4427 4428 port = serial_hw_get_port (unit); 4429 } 4430 else if (grub_memcmp (arg, "--speed=", sizeof ("--speed=") - 1) == 0) 4431 { 4432 char *p = arg + sizeof ("--speed=") - 1; 4433 int num; 4434 4435 if (! safe_parse_maxint (&p, &num)) 4436 return 1; 4437 4438 speed = (unsigned int) num; 4439 } 4440 else if (grub_memcmp (arg, "--port=", sizeof ("--port=") - 1) == 0) 4441 { 4442 char *p = arg + sizeof ("--port=") - 1; 4443 int num; 4444 4445 if (! safe_parse_maxint (&p, &num)) 4446 return 1; 4447 4448 port = (unsigned short) num; 4449 } 4450 else if (grub_memcmp (arg, "--word=", sizeof ("--word=") - 1) == 0) 4451 { 4452 char *p = arg + sizeof ("--word=") - 1; 4453 int len; 4454 4455 if (! safe_parse_maxint (&p, &len)) 4456 return 1; 4457 4458 switch (len) 4459 { 4460 case 5: word_len = UART_5BITS_WORD; break; 4461 case 6: word_len = UART_6BITS_WORD; break; 4462 case 7: word_len = UART_7BITS_WORD; break; 4463 case 8: word_len = UART_8BITS_WORD; break; 4464 default: 4465 errnum = ERR_BAD_ARGUMENT; 4466 return 1; 4467 } 4468 } 4469 else if (grub_memcmp (arg, "--stop=", sizeof ("--stop=") - 1) == 0) 4470 { 4471 char *p = arg + sizeof ("--stop=") - 1; 4472 int len; 4473 4474 if (! safe_parse_maxint (&p, &len)) 4475 return 1; 4476 4477 switch (len) 4478 { 4479 case 1: stop_bit_len = UART_1_STOP_BIT; break; 4480 case 2: stop_bit_len = UART_2_STOP_BITS; break; 4481 default: 4482 errnum = ERR_BAD_ARGUMENT; 4483 return 1; 4484 } 4485 } 4486 else if (grub_memcmp (arg, "--parity=", sizeof ("--parity=") - 1) == 0) 4487 { 4488 char *p = arg + sizeof ("--parity=") - 1; 4489 4490 if (grub_memcmp (p, "no", sizeof ("no") - 1) == 0) 4491 parity = UART_NO_PARITY; 4492 else if (grub_memcmp (p, "odd", sizeof ("odd") - 1) == 0) 4493 parity = UART_ODD_PARITY; 4494 else if (grub_memcmp (p, "even", sizeof ("even") - 1) == 0) 4495 parity = UART_EVEN_PARITY; 4496 else 4497 { 4498 errnum = ERR_BAD_ARGUMENT; 4499 return 1; 4500 } 4501 } 4502 # ifdef GRUB_UTIL 4503 /* In the grub shell, don't use any port number but open a tty 4504 device instead. */ 4505 else if (grub_memcmp (arg, "--device=", sizeof ("--device=") - 1) == 0) 4506 { 4507 char *p = arg + sizeof ("--device=") - 1; 4508 char dev[256]; /* XXX */ 4509 char *q = dev; 4510 4511 while (*p && ! grub_isspace (*p)) 4512 *q++ = *p++; 4513 4514 *q = 0; 4515 serial_set_device (dev); 4516 } 4517 # endif /* GRUB_UTIL */ 4518 else 4519 break; 4520 4521 arg = skip_to (0, arg); 4522 } 4523 4524 /* Initialize the serial unit. */ 4525 if (! serial_hw_init (port, speed, word_len, parity, stop_bit_len)) 4526 { 4527 errnum = ERR_BAD_ARGUMENT; 4528 return 1; 4529 } 4530 4531 return 0; 4532 } 4533 4534 static struct builtin builtin_serial = 4535 { 4536 "serial", 4537 serial_func, 4538 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4539 "serial [--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] [--parity=PARITY] [--stop=STOP] [--device=DEV]", 4540 "Initialize a serial device. UNIT is a digit that specifies which serial" 4541 " device is used (e.g. 0 == COM1). If you need to specify the port number," 4542 " set it by --port. SPEED is the DTE-DTE speed. WORD is the word length," 4543 " PARITY is the type of parity, which is one of `no', `odd' and `even'." 4544 " STOP is the length of stop bit(s). The option --device can be used only" 4545 " in the grub shell, which specifies the file name of a tty device. The" 4546 " default values are COM1, 9600, 8N1." 4547 }; 4548 #endif /* SUPPORT_SERIAL */ 4549 4550 4551 /* setkey */ 4552 struct keysym 4553 { 4554 char *unshifted_name; /* the name in unshifted state */ 4555 char *shifted_name; /* the name in shifted state */ 4556 unsigned char unshifted_ascii; /* the ascii code in unshifted state */ 4557 unsigned char shifted_ascii; /* the ascii code in shifted state */ 4558 unsigned char keycode; /* keyboard scancode */ 4559 }; 4560 4561 /* The table for key symbols. If the "shifted" member of an entry is 4562 NULL, the entry does not have shifted state. */ 4563 static struct keysym keysym_table[] = 4564 { 4565 {"escape", 0, 0x1b, 0, 0x01}, 4566 {"1", "exclam", '1', '!', 0x02}, 4567 {"2", "at", '2', '@', 0x03}, 4568 {"3", "numbersign", '3', '#', 0x04}, 4569 {"4", "dollar", '4', '$', 0x05}, 4570 {"5", "percent", '5', '%', 0x06}, 4571 {"6", "caret", '6', '^', 0x07}, 4572 {"7", "ampersand", '7', '&', 0x08}, 4573 {"8", "asterisk", '8', '*', 0x09}, 4574 {"9", "parenleft", '9', '(', 0x0a}, 4575 {"0", "parenright", '0', ')', 0x0b}, 4576 {"minus", "underscore", '-', '_', 0x0c}, 4577 {"equal", "plus", '=', '+', 0x0d}, 4578 {"backspace", 0, '\b', 0, 0x0e}, 4579 {"tab", 0, '\t', 0, 0x0f}, 4580 {"q", "Q", 'q', 'Q', 0x10}, 4581 {"w", "W", 'w', 'W', 0x11}, 4582 {"e", "E", 'e', 'E', 0x12}, 4583 {"r", "R", 'r', 'R', 0x13}, 4584 {"t", "T", 't', 'T', 0x14}, 4585 {"y", "Y", 'y', 'Y', 0x15}, 4586 {"u", "U", 'u', 'U', 0x16}, 4587 {"i", "I", 'i', 'I', 0x17}, 4588 {"o", "O", 'o', 'O', 0x18}, 4589 {"p", "P", 'p', 'P', 0x19}, 4590 {"bracketleft", "braceleft", '[', '{', 0x1a}, 4591 {"bracketright", "braceright", ']', '}', 0x1b}, 4592 {"enter", 0, '\n', 0, 0x1c}, 4593 {"control", 0, 0, 0, 0x1d}, 4594 {"a", "A", 'a', 'A', 0x1e}, 4595 {"s", "S", 's', 'S', 0x1f}, 4596 {"d", "D", 'd', 'D', 0x20}, 4597 {"f", "F", 'f', 'F', 0x21}, 4598 {"g", "G", 'g', 'G', 0x22}, 4599 {"h", "H", 'h', 'H', 0x23}, 4600 {"j", "J", 'j', 'J', 0x24}, 4601 {"k", "K", 'k', 'K', 0x25}, 4602 {"l", "L", 'l', 'L', 0x26}, 4603 {"semicolon", "colon", ';', ':', 0x27}, 4604 {"quote", "doublequote", '\'', '"', 0x28}, 4605 {"backquote", "tilde", '`', '~', 0x29}, 4606 {"shift", 0, 0, 0, 0x2a}, 4607 {"backslash", "bar", '\\', '|', 0x2b}, 4608 {"z", "Z", 'z', 'Z', 0x2c}, 4609 {"x", "X", 'x', 'X', 0x2d}, 4610 {"c", "C", 'c', 'C', 0x2e}, 4611 {"v", "V", 'v', 'V', 0x2f}, 4612 {"b", "B", 'b', 'B', 0x30}, 4613 {"n", "N", 'n', 'N', 0x31}, 4614 {"m", "M", 'm', 'M', 0x32}, 4615 {"comma", "less", ',', '<', 0x33}, 4616 {"period", "greater", '.', '>', 0x34}, 4617 {"slash", "question", '/', '?', 0x35}, 4618 {"alt", 0, 0, 0, 0x38}, 4619 {"space", 0, ' ', 0, 0x39}, 4620 {"capslock", 0, 0, 0, 0x3a}, 4621 {"F1", 0, 0, 0, 0x3b}, 4622 {"F2", 0, 0, 0, 0x3c}, 4623 {"F3", 0, 0, 0, 0x3d}, 4624 {"F4", 0, 0, 0, 0x3e}, 4625 {"F5", 0, 0, 0, 0x3f}, 4626 {"F6", 0, 0, 0, 0x40}, 4627 {"F7", 0, 0, 0, 0x41}, 4628 {"F8", 0, 0, 0, 0x42}, 4629 {"F9", 0, 0, 0, 0x43}, 4630 {"F10", 0, 0, 0, 0x44}, 4631 /* Caution: do not add NumLock here! we cannot deal with it properly. */ 4632 {"delete", 0, 0x7f, 0, 0x53} 4633 }; 4634 4635 static int 4636 setkey_func (char *arg, int flags) 4637 { 4638 char *to_key, *from_key; 4639 int to_code, from_code; 4640 int map_in_interrupt = 0; 4641 4642 auto int find_key_code (char *key); 4643 auto int find_ascii_code (char *key); 4644 4645 auto int find_key_code (char *key) 4646 { 4647 int i; 4648 4649 for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++) 4650 { 4651 if (keysym_table[i].unshifted_name && 4652 grub_strcmp (key, keysym_table[i].unshifted_name) == 0) 4653 return keysym_table[i].keycode; 4654 else if (keysym_table[i].shifted_name && 4655 grub_strcmp (key, keysym_table[i].shifted_name) == 0) 4656 return keysym_table[i].keycode; 4657 } 4658 4659 return 0; 4660 } 4661 4662 auto int find_ascii_code (char *key) 4663 { 4664 int i; 4665 4666 for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++) 4667 { 4668 if (keysym_table[i].unshifted_name && 4669 grub_strcmp (key, keysym_table[i].unshifted_name) == 0) 4670 return keysym_table[i].unshifted_ascii; 4671 else if (keysym_table[i].shifted_name && 4672 grub_strcmp (key, keysym_table[i].shifted_name) == 0) 4673 return keysym_table[i].shifted_ascii; 4674 } 4675 4676 return 0; 4677 } 4678 4679 to_key = arg; 4680 from_key = skip_to (0, to_key); 4681 4682 if (! *to_key) 4683 { 4684 /* If the user specifies no argument, reset the key mappings. */ 4685 grub_memset (bios_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short)); 4686 grub_memset (ascii_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short)); 4687 4688 return 0; 4689 } 4690 else if (! *from_key) 4691 { 4692 /* The user must specify two arguments or zero argument. */ 4693 errnum = ERR_BAD_ARGUMENT; 4694 return 1; 4695 } 4696 4697 nul_terminate (to_key); 4698 nul_terminate (from_key); 4699 4700 to_code = find_ascii_code (to_key); 4701 from_code = find_ascii_code (from_key); 4702 if (! to_code || ! from_code) 4703 { 4704 map_in_interrupt = 1; 4705 to_code = find_key_code (to_key); 4706 from_code = find_key_code (from_key); 4707 if (! to_code || ! from_code) 4708 { 4709 errnum = ERR_BAD_ARGUMENT; 4710 return 1; 4711 } 4712 } 4713 4714 if (map_in_interrupt) 4715 { 4716 int i; 4717 4718 /* Find an empty slot. */ 4719 for (i = 0; i < KEY_MAP_SIZE; i++) 4720 { 4721 if ((bios_key_map[i] & 0xff) == from_code) 4722 /* Perhaps the user wants to overwrite the map. */ 4723 break; 4724 4725 if (! bios_key_map[i]) 4726 break; 4727 } 4728 4729 if (i == KEY_MAP_SIZE) 4730 { 4731 errnum = ERR_WONT_FIT; 4732 return 1; 4733 } 4734 4735 if (to_code == from_code) 4736 /* If TO is equal to FROM, delete the entry. */ 4737 grub_memmove ((char *) &bios_key_map[i], 4738 (char *) &bios_key_map[i + 1], 4739 sizeof (unsigned short) * (KEY_MAP_SIZE - i)); 4740 else 4741 bios_key_map[i] = (to_code << 8) | from_code; 4742 4743 /* Ugly but should work. */ 4744 unset_int15_handler (); 4745 set_int15_handler (); 4746 } 4747 else 4748 { 4749 int i; 4750 4751 /* Find an empty slot. */ 4752 for (i = 0; i < KEY_MAP_SIZE; i++) 4753 { 4754 if ((ascii_key_map[i] & 0xff) == from_code) 4755 /* Perhaps the user wants to overwrite the map. */ 4756 break; 4757 4758 if (! ascii_key_map[i]) 4759 break; 4760 } 4761 4762 if (i == KEY_MAP_SIZE) 4763 { 4764 errnum = ERR_WONT_FIT; 4765 return 1; 4766 } 4767 4768 if (to_code == from_code) 4769 /* If TO is equal to FROM, delete the entry. */ 4770 grub_memmove ((char *) &ascii_key_map[i], 4771 (char *) &ascii_key_map[i + 1], 4772 sizeof (unsigned short) * (KEY_MAP_SIZE - i)); 4773 else 4774 ascii_key_map[i] = (to_code << 8) | from_code; 4775 } 4776 4777 return 0; 4778 } 4779 4780 static struct builtin builtin_setkey = 4781 { 4782 "setkey", 4783 setkey_func, 4784 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 4785 "setkey [TO_KEY FROM_KEY]", 4786 "Change the keyboard map. The key FROM_KEY is mapped to the key TO_KEY." 4787 " A key must be an alphabet, a digit, or one of these: escape, exclam," 4788 " at, numbersign, dollar, percent, caret, ampersand, asterisk, parenleft," 4789 " parenright, minus, underscore, equal, plus, backspace, tab, bracketleft," 4790 " braceleft, bracketright, braceright, enter, control, semicolon, colon," 4791 " quote, doublequote, backquote, tilde, shift, backslash, bar, comma," 4792 " less, period, greater, slash, question, alt, space, capslock, FX (X" 4793 " is a digit), and delete. If no argument is specified, reset key" 4794 " mappings." 4795 }; 4796 4797 4798 /* setup */ 4799 static int 4800 setup_func (char *arg, int flags) 4801 { 4802 /* Point to the string of the installed drive/partition. */ 4803 char *install_ptr; 4804 /* Point to the string of the drive/parition where the GRUB images 4805 reside. */ 4806 char *image_ptr; 4807 unsigned long installed_drive, installed_partition; 4808 unsigned long image_drive, image_partition; 4809 unsigned long tmp_drive, tmp_partition; 4810 char stage1[64]; 4811 char stage2[64]; 4812 char config_filename[64]; 4813 char real_config_filename[64]; 4814 char cmd_arg[256]; 4815 char device[16]; 4816 char *buffer = (char *) RAW_ADDR (0x100000); 4817 int is_force_lba = 0; 4818 char *stage2_arg = 0; 4819 char *prefix = 0; 4820 4821 auto int check_file (char *file); 4822 auto void sprint_device (int drive, int partition); 4823 auto int embed_stage1_5 (char * stage1_5, int drive, int partition); 4824 4825 /* Check if the file FILE exists like Autoconf. */ 4826 int check_file (char *file) 4827 { 4828 int ret; 4829 4830 grub_printf (" Checking if \"%s\" exists... ", file); 4831 ret = grub_open (file); 4832 if (ret) 4833 { 4834 grub_close (); 4835 grub_printf ("yes\n"); 4836 } 4837 else 4838 grub_printf ("no\n"); 4839 4840 return ret; 4841 } 4842 4843 /* Construct a device name in DEVICE. */ 4844 void sprint_device (int drive, int partition) 4845 { 4846 grub_sprintf (device, "(%cd%d", 4847 (drive & 0x80) ? 'h' : 'f', 4848 drive & ~0x80); 4849 if ((partition & 0xFF0000) != 0xFF0000) 4850 { 4851 char tmp[16]; 4852 grub_sprintf (tmp, ",%d", (partition >> 16) & 0xFF); 4853 grub_strncat (device, tmp, 256); 4854 } 4855 if ((partition & 0x00FF00) != 0x00FF00) 4856 { 4857 char tmp[16]; 4858 grub_sprintf (tmp, ",%c", 'a' + ((partition >> 8) & 0xFF)); 4859 grub_strncat (device, tmp, 256); 4860 } 4861 grub_strncat (device, ")", 256); 4862 } 4863 4864 int embed_stage1_5 (char *stage1_5, int drive, int partition) 4865 { 4866 /* We install GRUB into the MBR, so try to embed the 4867 Stage 1.5 in the sectors right after the MBR. */ 4868 sprint_device (drive, partition); 4869 grub_sprintf (cmd_arg, "%s %s", stage1_5, device); 4870 4871 /* Notify what will be run. */ 4872 grub_printf (" Running \"embed %s\"... ", cmd_arg); 4873 4874 embed_func (cmd_arg, flags); 4875 if (! errnum) 4876 { 4877 /* Construct the blocklist representation. */ 4878 grub_sprintf (buffer, "%s%s", device, embed_info); 4879 grub_printf ("succeeded\n"); 4880 return 1; 4881 } 4882 else 4883 { 4884 grub_printf ("failed (this is not fatal)\n"); 4885 return 0; 4886 } 4887 } 4888 4889 struct stage1_5_map { 4890 char *fsys; 4891 char *name; 4892 }; 4893 struct stage1_5_map stage1_5_map[] = 4894 { 4895 {"ext2fs", "/e2fs_stage1_5"}, 4896 {"fat", "/fat_stage1_5"}, 4897 {"ufs2", "/ufs2_stage1_5"}, 4898 {"ffs", "/ffs_stage1_5"}, 4899 {"iso9660", "/iso9660_stage1_5"}, 4900 {"jfs", "/jfs_stage1_5"}, 4901 {"minix", "/minix_stage1_5"}, 4902 {"reiserfs", "/reiserfs_stage1_5"}, 4903 {"vstafs", "/vstafs_stage1_5"}, 4904 {"xfs", "/xfs_stage1_5"}, 4905 {"ufs", "/ufs_stage1_5"} 4906 }; 4907 4908 tmp_drive = saved_drive; 4909 tmp_partition = saved_partition; 4910 4911 /* Check if the user specifies --force-lba. */ 4912 while (1) 4913 { 4914 if (grub_memcmp ("--force-lba", arg, sizeof ("--force-lba") - 1) == 0) 4915 { 4916 is_force_lba = 1; 4917 arg = skip_to (0, arg); 4918 } 4919 else if (grub_memcmp ("--prefix=", arg, sizeof ("--prefix=") - 1) == 0) 4920 { 4921 prefix = arg + sizeof ("--prefix=") - 1; 4922 arg = skip_to (0, arg); 4923 nul_terminate (prefix); 4924 } 4925 #ifdef GRUB_UTIL 4926 else if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0) 4927 { 4928 stage2_arg = arg; 4929 arg = skip_to (0, arg); 4930 nul_terminate (stage2_arg); 4931 } 4932 #endif /* GRUB_UTIL */ 4933 else 4934 break; 4935 } 4936 4937 install_ptr = arg; 4938 image_ptr = skip_to (0, install_ptr); 4939 4940 /* Make sure that INSTALL_PTR is valid. */ 4941 set_device (install_ptr); 4942 if (errnum) 4943 return 1; 4944 4945 installed_drive = current_drive; 4946 installed_partition = current_partition; 4947 4948 /* Mount the drive pointed by IMAGE_PTR. */ 4949 if (*image_ptr) 4950 { 4951 /* If the drive/partition where the images reside is specified, 4952 get the drive and the partition. */ 4953 set_device (image_ptr); 4954 if (errnum) 4955 return 1; 4956 } 4957 else 4958 { 4959 /* If omitted, use SAVED_PARTITION and SAVED_DRIVE. */ 4960 current_drive = saved_drive; 4961 current_partition = saved_partition; 4962 } 4963 4964 image_drive = saved_drive = current_drive; 4965 image_partition = saved_partition = current_partition; 4966 4967 /* Open it. */ 4968 if (! open_device ()) 4969 goto fail; 4970 4971 /* Check if stage1 exists. If the user doesn't specify the option 4972 `--prefix', attempt /boot/grub and /grub. */ 4973 /* NOTE: It is dangerous to run this command without `--prefix' in the 4974 grub shell, since that affects `--stage2'. */ 4975 if (! prefix) 4976 { 4977 prefix = "/boot/grub"; 4978 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4979 if (! check_file (stage1)) 4980 { 4981 errnum = ERR_NONE; 4982 prefix = "/grub"; 4983 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4984 if (! check_file (stage1)) 4985 goto fail; 4986 } 4987 } 4988 else 4989 { 4990 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4991 if (! check_file (stage1)) 4992 goto fail; 4993 } 4994 4995 /* The prefix was determined. */ 4996 grub_sprintf (stage2, "%s%s", prefix, "/stage2"); 4997 grub_sprintf (config_filename, "%s%s", prefix, "/menu.lst"); 4998 *real_config_filename = 0; 4999 5000 /* Check if stage2 exists. */ 5001 if (! check_file (stage2)) 5002 goto fail; 5003 5004 { 5005 char *fsys = fsys_table[fsys_type].name; 5006 int i; 5007 int size = sizeof (stage1_5_map) / sizeof (stage1_5_map[0]); 5008 5009 /* Iterate finding the same filesystem name as FSYS. */ 5010 for (i = 0; i < size; i++) 5011 if (grub_strcmp (fsys, stage1_5_map[i].fsys) == 0) 5012 { 5013 /* OK, check if the Stage 1.5 exists. */ 5014 char stage1_5[64]; 5015 5016 grub_sprintf (stage1_5, "%s%s", prefix, stage1_5_map[i].name); 5017 if (check_file (stage1_5)) 5018 { 5019 if (embed_stage1_5 (stage1_5, 5020 installed_drive, installed_partition) 5021 || embed_stage1_5 (stage1_5, 5022 image_drive, image_partition)) 5023 { 5024 grub_strcpy (real_config_filename, config_filename); 5025 sprint_device (image_drive, image_partition); 5026 grub_sprintf (config_filename, "%s%s", device, stage2); 5027 grub_strcpy (stage2, buffer); 5028 } 5029 } 5030 errnum = 0; 5031 break; 5032 } 5033 } 5034 5035 /* Construct a string that is used by the command "install" as its 5036 arguments. */ 5037 sprint_device (installed_drive, installed_partition); 5038 5039 #if 1 5040 /* Don't embed a drive number unnecessarily. */ 5041 grub_sprintf (cmd_arg, "%s%s%s%s %s%s %s p %s %s", 5042 is_force_lba? "--force-lba " : "", 5043 stage2_arg? stage2_arg : "", 5044 stage2_arg? " " : "", 5045 stage1, 5046 (installed_drive != image_drive) ? "d " : "", 5047 device, 5048 stage2, 5049 config_filename, 5050 real_config_filename); 5051 #else /* NOT USED */ 5052 /* This code was used, because we belived some BIOSes had a problem 5053 that they didn't pass a booting drive correctly. It turned out, 5054 however, stage1 could trash a booting drive when checking LBA support, 5055 because some BIOSes modified the register %dx in INT 13H, AH=48H. 5056 So it becamed unclear whether GRUB should use a pre-defined booting 5057 drive or not. If the problem still exists, it would be necessary to 5058 switch back to this code. */ 5059 grub_sprintf (cmd_arg, "%s%s%s%s d %s %s p %s %s", 5060 is_force_lba? "--force-lba " : "", 5061 stage2_arg? stage2_arg : "", 5062 stage2_arg? " " : "", 5063 stage1, 5064 device, 5065 stage2, 5066 config_filename, 5067 real_config_filename); 5068 #endif /* NOT USED */ 5069 5070 /* Notify what will be run. */ 5071 grub_printf (" Running \"install %s\"... ", cmd_arg); 5072 5073 /* Make sure that SAVED_DRIVE and SAVED_PARTITION are identical 5074 with IMAGE_DRIVE and IMAGE_PARTITION, respectively. */ 5075 saved_drive = image_drive; 5076 saved_partition = image_partition; 5077 5078 /* Run the command. */ 5079 if (! install_func (cmd_arg, flags)) 5080 grub_printf ("succeeded\nDone.\n"); 5081 else 5082 grub_printf ("failed\n"); 5083 5084 fail: 5085 saved_drive = tmp_drive; 5086 saved_partition = tmp_partition; 5087 return errnum; 5088 } 5089 5090 static struct builtin builtin_setup = 5091 { 5092 "setup", 5093 setup_func, 5094 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5095 "setup [--prefix=DIR] [--stage2=STAGE2_FILE] [--force-lba] INSTALL_DEVICE [IMAGE_DEVICE]", 5096 "Set up the installation of GRUB automatically. This command uses" 5097 " the more flexible command \"install\" in the backend and installs" 5098 " GRUB into the device INSTALL_DEVICE. If IMAGE_DEVICE is specified," 5099 " then find the GRUB images in the device IMAGE_DEVICE, otherwise" 5100 " use the current \"root device\", which can be set by the command" 5101 " \"root\". If you know that your BIOS should support LBA but GRUB" 5102 " doesn't work in LBA mode, specify the option `--force-lba'." 5103 " If you install GRUB under the grub shell and you cannot unmount the" 5104 " partition where GRUB images reside, specify the option `--stage2'" 5105 " to tell GRUB the file name under your OS." 5106 }; 5107 5108 5109 #if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) 5110 /* terminal */ 5111 static int 5112 terminal_func (char *arg, int flags) 5113 { 5114 /* The index of the default terminal in TERM_TABLE. */ 5115 int default_term = -1; 5116 struct term_entry *prev_term = current_term; 5117 int to = -1; 5118 int lines = 0; 5119 int no_message = 0; 5120 unsigned long term_flags = 0; 5121 /* XXX: Assume less than 32 terminals. */ 5122 unsigned long term_bitmap = 0; 5123 5124 /* Get GNU-style long options. */ 5125 while (1) 5126 { 5127 if (grub_memcmp (arg, "--dumb", sizeof ("--dumb") - 1) == 0) 5128 term_flags |= TERM_DUMB; 5129 else if (grub_memcmp (arg, "--no-echo", sizeof ("--no-echo") - 1) == 0) 5130 /* ``--no-echo'' implies ``--no-edit''. */ 5131 term_flags |= (TERM_NO_ECHO | TERM_NO_EDIT); 5132 else if (grub_memcmp (arg, "--no-edit", sizeof ("--no-edit") - 1) == 0) 5133 term_flags |= TERM_NO_EDIT; 5134 else if (grub_memcmp (arg, "--timeout=", sizeof ("--timeout=") - 1) == 0) 5135 { 5136 char *val = arg + sizeof ("--timeout=") - 1; 5137 5138 if (! safe_parse_maxint (&val, &to)) 5139 return 1; 5140 } 5141 else if (grub_memcmp (arg, "--lines=", sizeof ("--lines=") - 1) == 0) 5142 { 5143 char *val = arg + sizeof ("--lines=") - 1; 5144 5145 if (! safe_parse_maxint (&val, &lines)) 5146 return 1; 5147 5148 /* Probably less than four is meaningless.... */ 5149 if (lines < 4) 5150 { 5151 errnum = ERR_BAD_ARGUMENT; 5152 return 1; 5153 } 5154 } 5155 else if (grub_memcmp (arg, "--silent", sizeof ("--silent") - 1) == 0) 5156 no_message = 1; 5157 else 5158 break; 5159 5160 arg = skip_to (0, arg); 5161 } 5162 5163 /* If no argument is specified, show current setting. */ 5164 if (! *arg) 5165 { 5166 grub_printf ("%s%s%s%s\n", 5167 current_term->name, 5168 current_term->flags & TERM_DUMB ? " (dumb)" : "", 5169 current_term->flags & TERM_NO_EDIT ? " (no edit)" : "", 5170 current_term->flags & TERM_NO_ECHO ? " (no echo)" : ""); 5171 return 0; 5172 } 5173 5174 while (*arg) 5175 { 5176 int i; 5177 char *next = skip_to (0, arg); 5178 5179 nul_terminate (arg); 5180 5181 for (i = 0; term_table[i].name; i++) 5182 { 5183 if (grub_strcmp (arg, term_table[i].name) == 0) 5184 { 5185 if (term_table[i].flags & TERM_NEED_INIT) 5186 { 5187 errnum = ERR_DEV_NEED_INIT; 5188 return 1; 5189 } 5190 5191 if (default_term < 0) 5192 default_term = i; 5193 5194 term_bitmap |= (1 << i); 5195 break; 5196 } 5197 } 5198 5199 if (! term_table[i].name) 5200 { 5201 errnum = ERR_BAD_ARGUMENT; 5202 return 1; 5203 } 5204 5205 arg = next; 5206 } 5207 5208 /* If multiple terminals are specified, wait until the user pushes any 5209 key on one of the terminals. */ 5210 if (term_bitmap & ~(1 << default_term)) 5211 { 5212 int time1, time2 = -1; 5213 5214 /* XXX: Disable the pager. */ 5215 count_lines = -1; 5216 5217 /* Get current time. */ 5218 while ((time1 = getrtsecs ()) == 0xFF) 5219 ; 5220 5221 /* Wait for a key input. */ 5222 while (to) 5223 { 5224 int i; 5225 5226 for (i = 0; term_table[i].name; i++) 5227 { 5228 if (term_bitmap & (1 << i)) 5229 { 5230 if (term_table[i].checkkey () >= 0) 5231 { 5232 (void) term_table[i].getkey (); 5233 default_term = i; 5234 5235 goto end; 5236 } 5237 } 5238 } 5239 5240 /* Prompt the user, once per sec. */ 5241 if ((time1 = getrtsecs ()) != time2 && time1 != 0xFF) 5242 { 5243 if (! no_message) 5244 { 5245 /* Need to set CURRENT_TERM to each of selected 5246 terminals. */ 5247 for (i = 0; term_table[i].name; i++) 5248 if (term_bitmap & (1 << i)) 5249 { 5250 current_term = term_table + i; 5251 grub_printf ("\rPress any key to continue.\n"); 5252 } 5253 5254 /* Restore CURRENT_TERM. */ 5255 current_term = prev_term; 5256 } 5257 5258 time2 = time1; 5259 if (to > 0) 5260 to--; 5261 } 5262 } 5263 } 5264 5265 end: 5266 current_term = term_table + default_term; 5267 current_term->flags = term_flags; 5268 5269 if (lines) 5270 max_lines = lines; 5271 else 5272 max_lines = current_term->max_lines; 5273 5274 /* If the interface is currently the command-line, 5275 restart it to repaint the screen. */ 5276 if ((current_term != prev_term) && (flags & BUILTIN_CMDLINE)){ 5277 if (prev_term->shutdown) 5278 prev_term->shutdown(); 5279 if (current_term->startup) 5280 current_term->startup(); 5281 grub_longjmp (restart_cmdline_env, 0); 5282 } 5283 5284 return 0; 5285 } 5286 5287 static struct builtin builtin_terminal = 5288 { 5289 "terminal", 5290 terminal_func, 5291 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5292 "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules] [graphics]", 5293 "Select a terminal. When multiple terminals are specified, wait until" 5294 " you push any key to continue. If both console and serial are specified," 5295 " the terminal to which you input a key first will be selected. If no" 5296 " argument is specified, print current setting. The option --dumb" 5297 " specifies that your terminal is dumb, otherwise, vt100-compatibility" 5298 " is assumed. If you specify --no-echo, input characters won't be echoed." 5299 " If you specify --no-edit, the BASH-like editing feature will be disabled." 5300 " If --timeout is present, this command will wait at most for SECS" 5301 " seconds. The option --lines specifies the maximum number of lines." 5302 " The option --silent is used to suppress messages." 5303 }; 5304 #endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ 5305 5306 5307 #ifdef SUPPORT_SERIAL 5308 static int 5309 terminfo_func (char *arg, int flags) 5310 { 5311 struct terminfo term; 5312 5313 if (*arg) 5314 { 5315 struct 5316 { 5317 const char *name; 5318 char *var; 5319 } 5320 options[] = 5321 { 5322 {"--name=", term.name}, 5323 {"--cursor-address=", term.cursor_address}, 5324 {"--clear-screen=", term.clear_screen}, 5325 {"--enter-standout-mode=", term.enter_standout_mode}, 5326 {"--exit-standout-mode=", term.exit_standout_mode} 5327 }; 5328 5329 grub_memset (&term, 0, sizeof (term)); 5330 5331 while (*arg) 5332 { 5333 int i; 5334 char *next = skip_to (0, arg); 5335 5336 nul_terminate (arg); 5337 5338 for (i = 0; i < sizeof (options) / sizeof (options[0]); i++) 5339 { 5340 const char *name = options[i].name; 5341 int len = grub_strlen (name); 5342 5343 if (! grub_memcmp (arg, name, len)) 5344 { 5345 grub_strcpy (options[i].var, ti_unescape_string (arg + len)); 5346 break; 5347 } 5348 } 5349 5350 if (i == sizeof (options) / sizeof (options[0])) 5351 { 5352 errnum = ERR_BAD_ARGUMENT; 5353 return errnum; 5354 } 5355 5356 arg = next; 5357 } 5358 5359 if (term.name[0] == 0 || term.cursor_address[0] == 0) 5360 { 5361 errnum = ERR_BAD_ARGUMENT; 5362 return errnum; 5363 } 5364 5365 ti_set_term (&term); 5366 } 5367 else 5368 { 5369 /* No option specifies printing out current settings. */ 5370 ti_get_term (&term); 5371 5372 grub_printf ("name=%s\n", 5373 ti_escape_string (term.name)); 5374 grub_printf ("cursor_address=%s\n", 5375 ti_escape_string (term.cursor_address)); 5376 grub_printf ("clear_screen=%s\n", 5377 ti_escape_string (term.clear_screen)); 5378 grub_printf ("enter_standout_mode=%s\n", 5379 ti_escape_string (term.enter_standout_mode)); 5380 grub_printf ("exit_standout_mode=%s\n", 5381 ti_escape_string (term.exit_standout_mode)); 5382 } 5383 5384 return 0; 5385 } 5386 5387 static struct builtin builtin_terminfo = 5388 { 5389 "terminfo", 5390 terminfo_func, 5391 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5392 "terminfo [--name=NAME --cursor-address=SEQ [--clear-screen=SEQ]" 5393 " [--enter-standout-mode=SEQ] [--exit-standout-mode=SEQ]]", 5394 5395 "Define the capabilities of your terminal. Use this command to" 5396 " define escape sequences, if it is not vt100-compatible." 5397 " You may use \\e for ESC and ^X for a control character." 5398 " If no option is specified, the current settings are printed." 5399 }; 5400 #endif /* SUPPORT_SERIAL */ 5401 5402 5403 /* testload */ 5404 static int 5405 testload_func (char *arg, int flags) 5406 { 5407 int i; 5408 5409 kernel_type = KERNEL_TYPE_NONE; 5410 5411 if (! grub_open (arg)) 5412 return 1; 5413 5414 disk_read_hook = disk_read_print_func; 5415 5416 /* Perform filesystem test on the specified file. */ 5417 /* Read whole file first. */ 5418 grub_printf ("Whole file: "); 5419 5420 grub_read ((char *) RAW_ADDR (0x100000), -1); 5421 5422 /* Now compare two sections of the file read differently. */ 5423 5424 for (i = 0; i < 0x10ac0; i++) 5425 { 5426 *((unsigned char *) RAW_ADDR (0x200000 + i)) = 0; 5427 *((unsigned char *) RAW_ADDR (0x300000 + i)) = 1; 5428 } 5429 5430 /* First partial read. */ 5431 grub_printf ("\nPartial read 1: "); 5432 5433 grub_seek (0); 5434 grub_read ((char *) RAW_ADDR (0x200000), 0x7); 5435 grub_read ((char *) RAW_ADDR (0x200007), 0x100); 5436 grub_read ((char *) RAW_ADDR (0x200107), 0x10); 5437 grub_read ((char *) RAW_ADDR (0x200117), 0x999); 5438 grub_read ((char *) RAW_ADDR (0x200ab0), 0x10); 5439 grub_read ((char *) RAW_ADDR (0x200ac0), 0x10000); 5440 5441 /* Second partial read. */ 5442 grub_printf ("\nPartial read 2: "); 5443 5444 grub_seek (0); 5445 grub_read ((char *) RAW_ADDR (0x300000), 0x10000); 5446 grub_read ((char *) RAW_ADDR (0x310000), 0x10); 5447 grub_read ((char *) RAW_ADDR (0x310010), 0x7); 5448 grub_read ((char *) RAW_ADDR (0x310017), 0x10); 5449 grub_read ((char *) RAW_ADDR (0x310027), 0x999); 5450 grub_read ((char *) RAW_ADDR (0x3109c0), 0x100); 5451 5452 grub_printf ("\nHeader1 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n", 5453 *((int *) RAW_ADDR (0x200000)), 5454 *((int *) RAW_ADDR (0x200004)), 5455 *((int *) RAW_ADDR (0x200008)), 5456 *((int *) RAW_ADDR (0x20000c))); 5457 5458 grub_printf ("Header2 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n", 5459 *((int *) RAW_ADDR (0x300000)), 5460 *((int *) RAW_ADDR (0x300004)), 5461 *((int *) RAW_ADDR (0x300008)), 5462 *((int *) RAW_ADDR (0x30000c))); 5463 5464 for (i = 0; i < 0x10ac0; i++) 5465 if (*((unsigned char *) RAW_ADDR (0x200000 + i)) 5466 != *((unsigned char *) RAW_ADDR (0x300000 + i))) 5467 break; 5468 5469 grub_printf ("Max is 0x10ac0: i=0x%x, filepos=0x%x\n", i, filepos); 5470 disk_read_hook = 0; 5471 grub_close (); 5472 return 0; 5473 } 5474 5475 static struct builtin builtin_testload = 5476 { 5477 "testload", 5478 testload_func, 5479 BUILTIN_CMDLINE, 5480 "testload FILE", 5481 "Read the entire contents of FILE in several different ways and" 5482 " compares them, to test the filesystem code. The output is somewhat" 5483 " cryptic, but if no errors are reported and the final `i=X," 5484 " filepos=Y' reading has X and Y equal, then it is definitely" 5485 " consistent, and very likely works correctly subject to a" 5486 " consistent offset error. If this test succeeds, then a good next" 5487 " step is to try loading a kernel." 5488 }; 5489 5490 5491 /* testvbe MODE */ 5492 static int 5493 testvbe_func (char *arg, int flags) 5494 { 5495 int mode_number; 5496 struct vbe_controller controller; 5497 struct vbe_mode mode; 5498 5499 if (! *arg) 5500 { 5501 errnum = ERR_BAD_ARGUMENT; 5502 return 1; 5503 } 5504 5505 if (! safe_parse_maxint (&arg, &mode_number)) 5506 return 1; 5507 5508 /* Preset `VBE2'. */ 5509 grub_memmove (controller.signature, "VBE2", 4); 5510 5511 /* Detect VBE BIOS. */ 5512 if (get_vbe_controller_info (&controller) != 0x004F) 5513 { 5514 grub_printf (" VBE BIOS is not present.\n"); 5515 return 0; 5516 } 5517 5518 if (controller.version < 0x0200) 5519 { 5520 grub_printf (" VBE version %d.%d is not supported.\n", 5521 (int) (controller.version >> 8), 5522 (int) (controller.version & 0xFF)); 5523 return 0; 5524 } 5525 5526 if (get_vbe_mode_info (mode_number, &mode) != 0x004F 5527 || (mode.mode_attributes & 0x0091) != 0x0091) 5528 { 5529 grub_printf (" Mode 0x%x is not supported.\n", mode_number); 5530 return 0; 5531 } 5532 5533 /* Now trip to the graphics mode. */ 5534 if (set_vbe_mode (mode_number | (1 << 14)) != 0x004F) 5535 { 5536 grub_printf (" Switching to Mode 0x%x failed.\n", mode_number); 5537 return 0; 5538 } 5539 5540 /* Draw something on the screen... */ 5541 { 5542 unsigned char *base_buf = (unsigned char *) mode.phys_base; 5543 int scanline = controller.version >= 0x0300 5544 ? mode.linear_bytes_per_scanline : mode.bytes_per_scanline; 5545 /* FIXME: this assumes that any depth is a modulo of 8. */ 5546 int bpp = mode.bits_per_pixel / 8; 5547 int width = mode.x_resolution; 5548 int height = mode.y_resolution; 5549 int x, y; 5550 unsigned color = 0; 5551 5552 /* Iterate drawing on the screen, until the user hits any key. */ 5553 while (checkkey () == -1) 5554 { 5555 for (y = 0; y < height; y++) 5556 { 5557 unsigned char *line_buf = base_buf + scanline * y; 5558 5559 for (x = 0; x < width; x++) 5560 { 5561 unsigned char *buf = line_buf + bpp * x; 5562 int i; 5563 5564 for (i = 0; i < bpp; i++, buf++) 5565 *buf = (color >> (i * 8)) & 0xff; 5566 } 5567 5568 color++; 5569 } 5570 } 5571 5572 /* Discard the input. */ 5573 getkey (); 5574 } 5575 5576 /* Back to the default text mode. */ 5577 if (set_vbe_mode (0x03) != 0x004F) 5578 { 5579 /* Why?! */ 5580 grub_reboot (); 5581 } 5582 5583 return 0; 5584 } 5585 5586 static struct builtin builtin_testvbe = 5587 { 5588 "testvbe", 5589 testvbe_func, 5590 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5591 "testvbe MODE", 5592 "Test the VBE mode MODE. Hit any key to return." 5593 }; 5594 5595 5596 #ifdef SUPPORT_NETBOOT 5597 /* tftpserver */ 5598 static int 5599 tftpserver_func (char *arg, int flags) 5600 { 5601 if (! *arg || ! ifconfig (0, 0, 0, arg)) 5602 { 5603 errnum = ERR_BAD_ARGUMENT; 5604 return 1; 5605 } 5606 5607 print_network_configuration (); 5608 return 0; 5609 } 5610 5611 static struct builtin builtin_tftpserver = 5612 { 5613 "tftpserver", 5614 tftpserver_func, 5615 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 5616 "tftpserver IPADDR", 5617 "Override the TFTP server address." 5618 }; 5619 #endif /* SUPPORT_NETBOOT */ 5620 5621 5622 /* timeout */ 5623 static int 5624 timeout_func (char *arg, int flags) 5625 { 5626 if (! safe_parse_maxint (&arg, &grub_timeout)) 5627 return 1; 5628 5629 return 0; 5630 } 5631 5632 static struct builtin builtin_timeout = 5633 { 5634 "timeout", 5635 timeout_func, 5636 BUILTIN_MENU, 5637 #if 0 5638 "timeout SEC", 5639 "Set a timeout, in SEC seconds, before automatically booting the" 5640 " default entry (normally the first entry defined)." 5641 #endif 5642 }; 5643 5644 5645 /* title */ 5646 static int 5647 title_func (char *arg, int flags) 5648 { 5649 /* This function is not actually used at least currently. */ 5650 return 0; 5651 } 5652 5653 static struct builtin builtin_title = 5654 { 5655 "title", 5656 title_func, 5657 BUILTIN_TITLE, 5658 #if 0 5659 "title [NAME ...]", 5660 "Start a new boot entry, and set its name to the contents of the" 5661 " rest of the line, starting with the first non-space character." 5662 #endif 5663 }; 5664 5665 5666 /* unhide */ 5667 static int 5668 unhide_func (char *arg, int flags) 5669 { 5670 if (! set_device (arg)) 5671 return 1; 5672 5673 if (! set_partition_hidden_flag (0)) 5674 return 1; 5675 5676 return 0; 5677 } 5678 5679 static struct builtin builtin_unhide = 5680 { 5681 "unhide", 5682 unhide_func, 5683 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 5684 "unhide PARTITION", 5685 "Unhide PARTITION by clearing the \"hidden\" bit in its" 5686 " partition type code." 5687 }; 5688 5689 5690 /* uppermem */ 5691 static int 5692 uppermem_func (char *arg, int flags) 5693 { 5694 if (! safe_parse_maxint (&arg, (int *) &mbi.mem_upper)) 5695 return 1; 5696 5697 mbi.flags &= ~MB_INFO_MEM_MAP; 5698 return 0; 5699 } 5700 5701 static struct builtin builtin_uppermem = 5702 { 5703 "uppermem", 5704 uppermem_func, 5705 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5706 "uppermem KBYTES", 5707 "Force GRUB to assume that only KBYTES kilobytes of upper memory are" 5708 " installed. Any system address range maps are discarded." 5709 }; 5710 5711 5712 /* vbeprobe */ 5713 static int 5714 vbeprobe_func (char *arg, int flags) 5715 { 5716 struct vbe_controller controller; 5717 unsigned short *mode_list; 5718 int mode_number = -1; 5719 5720 auto unsigned long vbe_far_ptr_to_linear (unsigned long); 5721 5722 unsigned long vbe_far_ptr_to_linear (unsigned long ptr) 5723 { 5724 unsigned short seg = (ptr >> 16); 5725 unsigned short off = (ptr & 0xFFFF); 5726 5727 return (seg << 4) + off; 5728 } 5729 5730 if (*arg) 5731 { 5732 if (! safe_parse_maxint (&arg, &mode_number)) 5733 return 1; 5734 } 5735 5736 /* Set the signature to `VBE2', to obtain VBE 3.0 information. */ 5737 grub_memmove (controller.signature, "VBE2", 4); 5738 5739 if (get_vbe_controller_info (&controller) != 0x004F) 5740 { 5741 grub_printf (" VBE BIOS is not present.\n"); 5742 return 0; 5743 } 5744 5745 /* Check the version. */ 5746 if (controller.version < 0x0200) 5747 { 5748 grub_printf (" VBE version %d.%d is not supported.\n", 5749 (int) (controller.version >> 8), 5750 (int) (controller.version & 0xFF)); 5751 return 0; 5752 } 5753 5754 /* Print some information. */ 5755 grub_printf (" VBE version %d.%d\n", 5756 (int) (controller.version >> 8), 5757 (int) (controller.version & 0xFF)); 5758 5759 /* Iterate probing modes. */ 5760 for (mode_list 5761 = (unsigned short *) vbe_far_ptr_to_linear (controller.video_mode); 5762 *mode_list != 0xFFFF; 5763 mode_list++) 5764 { 5765 struct vbe_mode mode; 5766 5767 if (get_vbe_mode_info (*mode_list, &mode) != 0x004F) 5768 continue; 5769 5770 /* Skip this, if this is not supported or linear frame buffer 5771 mode is not support. */ 5772 if ((mode.mode_attributes & 0x0081) != 0x0081) 5773 continue; 5774 5775 if (mode_number == -1 || mode_number == *mode_list) 5776 { 5777 char *model; 5778 switch (mode.memory_model) 5779 { 5780 case 0x00: model = "Text"; break; 5781 case 0x01: model = "CGA graphics"; break; 5782 case 0x02: model = "Hercules graphics"; break; 5783 case 0x03: model = "Planar"; break; 5784 case 0x04: model = "Packed pixel"; break; 5785 case 0x05: model = "Non-chain 4, 256 color"; break; 5786 case 0x06: model = "Direct Color"; break; 5787 case 0x07: model = "YUV"; break; 5788 default: model = "Unknown"; break; 5789 } 5790 5791 grub_printf (" 0x%x: %s, %ux%ux%u\n", 5792 (unsigned) *mode_list, 5793 model, 5794 (unsigned) mode.x_resolution, 5795 (unsigned) mode.y_resolution, 5796 (unsigned) mode.bits_per_pixel); 5797 5798 if (mode_number != -1) 5799 break; 5800 } 5801 } 5802 5803 if (mode_number != -1 && mode_number != *mode_list) 5804 grub_printf (" Mode 0x%x is not found or supported.\n", mode_number); 5805 5806 return 0; 5807 } 5808 5809 static struct builtin builtin_vbeprobe = 5810 { 5811 "vbeprobe", 5812 vbeprobe_func, 5813 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5814 "vbeprobe [MODE]", 5815 "Probe VBE information. If the mode number MODE is specified, show only" 5816 " the information about only the mode." 5817 }; 5818 5819 5820 /* The table of builtin commands. Sorted in dictionary order. */ 5821 struct builtin *builtin_table[] = 5822 { 5823 #ifdef SUPPORT_GRAPHICS 5824 &builtin_background, 5825 #endif 5826 &builtin_blocklist, 5827 &builtin_boot, 5828 &builtin_bootfs, 5829 #ifdef SUPPORT_NETBOOT 5830 &builtin_bootp, 5831 #endif /* SUPPORT_NETBOOT */ 5832 &builtin_cat, 5833 &builtin_chainloader, 5834 &builtin_clear, 5835 &builtin_cmp, 5836 &builtin_color, 5837 &builtin_configfile, 5838 &builtin_debug, 5839 &builtin_default, 5840 #ifdef GRUB_UTIL 5841 &builtin_device, 5842 #endif /* GRUB_UTIL */ 5843 #ifdef SUPPORT_NETBOOT 5844 &builtin_dhcp, 5845 #endif /* SUPPORT_NETBOOT */ 5846 &builtin_displayapm, 5847 &builtin_displaymem, 5848 #ifdef GRUB_UTIL 5849 &builtin_dump, 5850 #endif /* GRUB_UTIL */ 5851 &builtin_embed, 5852 &builtin_fallback, 5853 &builtin_find, 5854 &builtin_findroot, 5855 #ifdef SUPPORT_GRAPHICS 5856 &builtin_foreground, 5857 #endif 5858 &builtin_fstest, 5859 &builtin_geometry, 5860 &builtin_halt, 5861 &builtin_help, 5862 &builtin_hiddenmenu, 5863 &builtin_hide, 5864 #ifdef SUPPORT_NETBOOT 5865 &builtin_ifconfig, 5866 #endif /* SUPPORT_NETBOOT */ 5867 &builtin_impsprobe, 5868 &builtin_initrd, 5869 &builtin_install, 5870 &builtin_ioprobe, 5871 &builtin_kernel, 5872 &builtin_kernel_dollar, 5873 &builtin_lock, 5874 &builtin_makeactive, 5875 &builtin_map, 5876 #ifdef USE_MD5_PASSWORDS 5877 &builtin_md5crypt, 5878 #endif /* USE_MD5_PASSWORDS */ 5879 &builtin_min_mem64, 5880 &builtin_module, 5881 &builtin_module_dollar, 5882 &builtin_modulenounzip, 5883 &builtin_pager, 5884 &builtin_partnew, 5885 &builtin_parttype, 5886 &builtin_password, 5887 &builtin_pause, 5888 #if defined(RPC_DEBUG) && defined(SUPPORT_NETBOOT) 5889 &builtin_portmap, 5890 #endif /* RPC_DEBUG && SUPPORT_NETBOOT */ 5891 #ifdef GRUB_UTIL 5892 &builtin_quit, 5893 #endif /* GRUB_UTIL */ 5894 #ifdef SUPPORT_NETBOOT 5895 &builtin_rarp, 5896 #endif /* SUPPORT_NETBOOT */ 5897 &builtin_read, 5898 &builtin_reboot, 5899 &builtin_root, 5900 &builtin_rootnoverify, 5901 &builtin_savedefault, 5902 #ifdef SUPPORT_SERIAL 5903 &builtin_serial, 5904 #endif /* SUPPORT_SERIAL */ 5905 &builtin_setkey, 5906 &builtin_setup, 5907 #ifdef SUPPORT_GRAPHICS 5908 &builtin_splashimage, 5909 #endif /* SUPPORT_GRAPHICS */ 5910 #if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) 5911 &builtin_terminal, 5912 #endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ 5913 #ifdef SUPPORT_SERIAL 5914 &builtin_terminfo, 5915 #endif /* SUPPORT_SERIAL */ 5916 &builtin_testload, 5917 &builtin_testvbe, 5918 #ifdef SUPPORT_NETBOOT 5919 &builtin_tftpserver, 5920 #endif /* SUPPORT_NETBOOT */ 5921 &builtin_timeout, 5922 &builtin_title, 5923 &builtin_unhide, 5924 &builtin_uppermem, 5925 &builtin_vbeprobe, 5926 &builtin_verbose, 5927 0 5928 }; 5929