1 /* builtins.c - the GRUB builtin commands */ 2 /* 3 * GRUB -- GRand Unified Bootloader 4 * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* Include stdio.h before shared.h, because we can't define 27 WITHOUT_LIBC_STUBS here. */ 28 #ifdef GRUB_UTIL 29 # include <stdio.h> 30 #endif 31 32 #include <shared.h> 33 #include <filesys.h> 34 #include <term.h> 35 36 #ifdef SUPPORT_NETBOOT 37 # include <grub.h> 38 #endif 39 40 #ifdef SUPPORT_SERIAL 41 # include <serial.h> 42 # include <terminfo.h> 43 #endif 44 45 #ifdef GRUB_UTIL 46 # include <device.h> 47 #else /* ! GRUB_UTIL */ 48 # include <apic.h> 49 # include <smp-imps.h> 50 #endif /* ! GRUB_UTIL */ 51 52 #ifdef USE_MD5_PASSWORDS 53 # include <md5.h> 54 #endif 55 56 #include <cpu.h> 57 58 /* The type of kernel loaded. */ 59 kernel_t kernel_type; 60 /* The boot device. */ 61 static int bootdev; 62 /* True when the debug mode is turned on, and false 63 when it is turned off. */ 64 int debug = 0; 65 /* The default entry. */ 66 int default_entry = 0; 67 /* The fallback entry. */ 68 int fallback_entryno; 69 int fallback_entries[MAX_FALLBACK_ENTRIES]; 70 /* The number of current entry. */ 71 int current_entryno; 72 /* The address for Multiboot command-line buffer. */ 73 static char *mb_cmdline; 74 /* The password. */ 75 char *password; 76 /* The password type. */ 77 password_t password_type; 78 /* The flag for indicating that the user is authoritative. */ 79 int auth = 0; 80 /* The timeout. */ 81 int grub_timeout = -1; 82 /* Whether to show the menu or not. */ 83 int show_menu = 1; 84 /* The BIOS drive map. */ 85 static unsigned short bios_drive_map[DRIVE_MAP_SIZE + 1]; 86 87 /* Prototypes for allowing straightfoward calling of builtins functions 88 inside other functions. */ 89 static int configfile_func (char *arg, int flags); 90 #ifdef SUPPORT_NETBOOT 91 static void solaris_config_file (void); 92 #endif 93 94 static unsigned int min_mem64 = 0; 95 96 #if defined(__sun) && !defined(GRUB_UTIL) 97 extern void __enable_execute_stack (void *); 98 void 99 __enable_execute_stack (void *addr) 100 { 101 } 102 #endif /* __sun && !GRUB_UTIL */ 103 104 /* Initialize the data for builtins. */ 105 void 106 init_builtins (void) 107 { 108 kernel_type = KERNEL_TYPE_NONE; 109 /* BSD and chainloading evil hacks! */ 110 bootdev = set_bootdev (0); 111 mb_cmdline = (char *) MB_CMDLINE_BUF; 112 } 113 114 /* Initialize the data for the configuration file. */ 115 void 116 init_config (void) 117 { 118 default_entry = 0; 119 password = 0; 120 fallback_entryno = -1; 121 fallback_entries[0] = -1; 122 grub_timeout = -1; 123 current_rootpool[0] = '\0'; 124 current_bootfs[0] = '\0'; 125 current_bootpath[0] = '\0'; 126 current_bootfs_obj = 0; 127 current_devid[0] = '\0'; 128 is_zfs_mount = 0; 129 } 130 131 /* Check a password for correctness. Returns 0 if password was 132 correct, and a value != 0 for error, similarly to strcmp. */ 133 int 134 check_password (char *entered, char* expected, password_t type) 135 { 136 switch (type) 137 { 138 case PASSWORD_PLAIN: 139 return strcmp (entered, expected); 140 141 #ifdef USE_MD5_PASSWORDS 142 case PASSWORD_MD5: 143 return check_md5_password (entered, expected); 144 #endif 145 default: 146 /* unsupported password type: be secure */ 147 return 1; 148 } 149 } 150 151 /* Print which sector is read when loading a file. */ 152 static void 153 disk_read_print_func(unsigned int sector, int offset, int length) 154 { 155 grub_printf ("[%u,%d,%d]", sector, offset, length); 156 } 157 158 159 /* blocklist */ 160 static int 161 blocklist_func (char *arg, int flags) 162 { 163 char *dummy = (char *) RAW_ADDR (0x100000); 164 unsigned int start_sector = 0; 165 int num_sectors = 0; 166 int num_entries = 0; 167 int last_length = 0; 168 169 auto void disk_read_blocklist_func (unsigned int sector, int offset, 170 int length); 171 172 /* Collect contiguous blocks into one entry as many as possible, 173 and print the blocklist notation on the screen. */ 174 auto void disk_read_blocklist_func (unsigned int sector, int offset, 175 int length) 176 { 177 if (num_sectors > 0) 178 { 179 if (start_sector + num_sectors == sector 180 && offset == 0 && last_length == SECTOR_SIZE) 181 { 182 num_sectors++; 183 last_length = length; 184 return; 185 } 186 else 187 { 188 if (last_length == SECTOR_SIZE) 189 grub_printf ("%s%d+%d", num_entries ? "," : "", 190 start_sector - part_start, num_sectors); 191 else if (num_sectors > 1) 192 grub_printf ("%s%d+%d,%d[0-%d]", num_entries ? "," : "", 193 start_sector - part_start, num_sectors-1, 194 start_sector + num_sectors-1 - part_start, 195 last_length); 196 else 197 grub_printf ("%s%d[0-%d]", num_entries ? "," : "", 198 start_sector - part_start, last_length); 199 num_entries++; 200 num_sectors = 0; 201 } 202 } 203 204 if (offset > 0) 205 { 206 grub_printf("%s%u[%d-%d]", num_entries ? "," : "", 207 sector-part_start, offset, offset+length); 208 num_entries++; 209 } 210 else 211 { 212 start_sector = sector; 213 num_sectors = 1; 214 last_length = length; 215 } 216 } 217 218 /* Open the file. */ 219 if (! grub_open (arg)) 220 return 1; 221 222 /* Print the device name. */ 223 grub_printf ("(%cd%d", 224 (current_drive & 0x80) ? 'h' : 'f', 225 current_drive & ~0x80); 226 227 if ((current_partition & 0xFF0000) != 0xFF0000) 228 grub_printf (",%d", (current_partition >> 16) & 0xFF); 229 230 if ((current_partition & 0x00FF00) != 0x00FF00) 231 grub_printf (",%c", 'a' + ((current_partition >> 8) & 0xFF)); 232 233 grub_printf (")"); 234 235 /* Read in the whole file to DUMMY. */ 236 disk_read_hook = disk_read_blocklist_func; 237 if (! grub_read (dummy, -1)) 238 goto fail; 239 240 /* The last entry may not be printed yet. Don't check if it is a 241 * full sector, since it doesn't matter if we read too much. */ 242 if (num_sectors > 0) 243 grub_printf ("%s%d+%d", num_entries ? "," : "", 244 start_sector - part_start, num_sectors); 245 246 grub_printf ("\n"); 247 248 fail: 249 disk_read_hook = 0; 250 grub_close (); 251 return errnum; 252 } 253 254 static struct builtin builtin_blocklist = 255 { 256 "blocklist", 257 blocklist_func, 258 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 259 "blocklist FILE", 260 "Print the blocklist notation of the file FILE." 261 }; 262 263 /* boot */ 264 static int 265 boot_func (char *arg, int flags) 266 { 267 /* Clear the int15 handler if we can boot the kernel successfully. 268 This assumes that the boot code never fails only if KERNEL_TYPE is 269 not KERNEL_TYPE_NONE. Is this assumption is bad? */ 270 if (kernel_type != KERNEL_TYPE_NONE) 271 unset_int15_handler (); 272 273 #ifdef SUPPORT_NETBOOT 274 /* Shut down the networking. */ 275 cleanup_net (); 276 #endif 277 278 switch (kernel_type) 279 { 280 case KERNEL_TYPE_FREEBSD: 281 case KERNEL_TYPE_NETBSD: 282 /* *BSD */ 283 bsd_boot (kernel_type, bootdev, (char *) mbi.cmdline); 284 break; 285 286 case KERNEL_TYPE_LINUX: 287 /* Linux */ 288 linux_boot (); 289 break; 290 291 case KERNEL_TYPE_BIG_LINUX: 292 /* Big Linux */ 293 big_linux_boot (); 294 break; 295 296 case KERNEL_TYPE_CHAINLOADER: 297 /* Chainloader */ 298 299 /* Check if we should set the int13 handler. */ 300 if (bios_drive_map[0] != 0) 301 { 302 int i; 303 304 /* Search for SAVED_DRIVE. */ 305 for (i = 0; i < DRIVE_MAP_SIZE; i++) 306 { 307 if (! bios_drive_map[i]) 308 break; 309 else if ((bios_drive_map[i] & 0xFF) == saved_drive) 310 { 311 /* Exchage SAVED_DRIVE with the mapped drive. */ 312 saved_drive = (bios_drive_map[i] >> 8) & 0xFF; 313 break; 314 } 315 } 316 317 /* Set the handler. This is somewhat dangerous. */ 318 set_int13_handler (bios_drive_map); 319 } 320 321 gateA20 (0); 322 boot_drive = saved_drive; 323 chain_stage1 (0, BOOTSEC_LOCATION, boot_part_addr); 324 break; 325 326 case KERNEL_TYPE_MULTIBOOT: 327 /* Multiboot */ 328 #ifdef SUPPORT_NETBOOT 329 #ifdef SOLARIS_NETBOOT 330 if (current_drive == NETWORK_DRIVE) { 331 /* 332 * XXX Solaris hack: use drive_info to pass network information 333 * Turn off the flag bit to the loader is technically 334 * multiboot compliant. 335 */ 336 mbi.flags &= ~MB_INFO_DRIVE_INFO; 337 mbi.drives_length = dhcpack_length; 338 mbi.drives_addr = dhcpack_buf; 339 } 340 #endif /* SOLARIS_NETBOOT */ 341 #endif 342 multi_boot ((int) entry_addr, (int) &mbi); 343 break; 344 345 default: 346 errnum = ERR_BOOT_COMMAND; 347 return 1; 348 } 349 350 return 0; 351 } 352 353 static struct builtin builtin_boot = 354 { 355 "boot", 356 boot_func, 357 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 358 "boot", 359 "Boot the OS/chain-loader which has been loaded." 360 }; 361 362 363 #ifdef SUPPORT_NETBOOT 364 /* bootp */ 365 static int 366 bootp_func (char *arg, int flags) 367 { 368 int with_configfile = 0; 369 370 if (grub_memcmp (arg, "--with-configfile", sizeof ("--with-configfile") - 1) 371 == 0) 372 { 373 with_configfile = 1; 374 arg = skip_to (0, arg); 375 } 376 377 if (! bootp ()) 378 { 379 if (errnum == ERR_NONE) 380 errnum = ERR_DEV_VALUES; 381 382 return 1; 383 } 384 385 /* Notify the configuration. */ 386 print_network_configuration (); 387 388 /* XXX: this can cause an endless loop, but there is no easy way to 389 detect such a loop unfortunately. */ 390 if (with_configfile) 391 configfile_func (config_file, flags); 392 393 return 0; 394 } 395 396 static struct builtin builtin_bootp = 397 { 398 "bootp", 399 bootp_func, 400 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 401 "bootp [--with-configfile]", 402 "Initialize a network device via BOOTP. If the option `--with-configfile'" 403 " is given, try to load a configuration file specified by the 150 vendor" 404 " tag." 405 }; 406 #endif /* SUPPORT_NETBOOT */ 407 408 409 /* cat */ 410 static int 411 cat_func (char *arg, int flags) 412 { 413 char c; 414 415 if (! grub_open (arg)) 416 return 1; 417 418 while (grub_read (&c, 1)) 419 { 420 /* Because running "cat" with a binary file can confuse the terminal, 421 print only some characters as they are. */ 422 if (grub_isspace (c) || (c >= ' ' && c <= '~')) 423 grub_putchar (c); 424 else 425 grub_putchar ('?'); 426 } 427 428 grub_close (); 429 return 0; 430 } 431 432 static struct builtin builtin_cat = 433 { 434 "cat", 435 cat_func, 436 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 437 "cat FILE", 438 "Print the contents of the file FILE." 439 }; 440 441 442 /* chainloader */ 443 static int 444 chainloader_func (char *arg, int flags) 445 { 446 int force = 0; 447 char *file = arg; 448 449 /* If the option `--force' is specified? */ 450 if (substring ("--force", arg) <= 0) 451 { 452 force = 1; 453 file = skip_to (0, arg); 454 } 455 456 /* Open the file. */ 457 if (! grub_open (file)) 458 { 459 kernel_type = KERNEL_TYPE_NONE; 460 return 1; 461 } 462 463 /* Read the first block. */ 464 if (grub_read ((char *) BOOTSEC_LOCATION, SECTOR_SIZE) != SECTOR_SIZE) 465 { 466 grub_close (); 467 kernel_type = KERNEL_TYPE_NONE; 468 469 /* This below happens, if a file whose size is less than 512 bytes 470 is loaded. */ 471 if (errnum == ERR_NONE) 472 errnum = ERR_EXEC_FORMAT; 473 474 return 1; 475 } 476 477 /* If not loading it forcibly, check for the signature. */ 478 if (! force 479 && (*((unsigned short *) (BOOTSEC_LOCATION + BOOTSEC_SIG_OFFSET)) 480 != BOOTSEC_SIGNATURE)) 481 { 482 grub_close (); 483 errnum = ERR_EXEC_FORMAT; 484 kernel_type = KERNEL_TYPE_NONE; 485 return 1; 486 } 487 488 grub_close (); 489 kernel_type = KERNEL_TYPE_CHAINLOADER; 490 491 /* XXX: Windows evil hack. For now, only the first five letters are 492 checked. */ 493 if (IS_PC_SLICE_TYPE_FAT (current_slice) 494 && ! grub_memcmp ((char *) BOOTSEC_LOCATION + BOOTSEC_BPB_SYSTEM_ID, 495 "MSWIN", 5)) 496 *((unsigned long *) (BOOTSEC_LOCATION + BOOTSEC_BPB_HIDDEN_SECTORS)) 497 = part_start; 498 499 errnum = ERR_NONE; 500 501 return 0; 502 } 503 504 static struct builtin builtin_chainloader = 505 { 506 "chainloader", 507 chainloader_func, 508 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 509 "chainloader [--force] FILE", 510 "Load the chain-loader FILE. If --force is specified, then load it" 511 " forcibly, whether the boot loader signature is present or not." 512 }; 513 514 515 /* This function could be used to debug new filesystem code. Put a file 516 in the new filesystem and the same file in a well-tested filesystem. 517 Then, run "cmp" with the files. If no output is obtained, probably 518 the code is good, otherwise investigate what's wrong... */ 519 /* cmp FILE1 FILE2 */ 520 static int 521 cmp_func (char *arg, int flags) 522 { 523 /* The filenames. */ 524 char *file1, *file2; 525 /* The addresses. */ 526 char *addr1, *addr2; 527 int i; 528 /* The size of the file. */ 529 int size; 530 531 /* Get the filenames from ARG. */ 532 file1 = arg; 533 file2 = skip_to (0, arg); 534 if (! *file1 || ! *file2) 535 { 536 errnum = ERR_BAD_ARGUMENT; 537 return 1; 538 } 539 540 /* Terminate the filenames for convenience. */ 541 nul_terminate (file1); 542 nul_terminate (file2); 543 544 /* Read the whole data from FILE1. */ 545 addr1 = (char *) RAW_ADDR (0x100000); 546 if (! grub_open (file1)) 547 return 1; 548 549 /* Get the size. */ 550 size = filemax; 551 if (grub_read (addr1, -1) != size) 552 { 553 grub_close (); 554 return 1; 555 } 556 557 grub_close (); 558 559 /* Read the whole data from FILE2. */ 560 addr2 = addr1 + size; 561 if (! grub_open (file2)) 562 return 1; 563 564 /* Check if the size of FILE2 is equal to the one of FILE2. */ 565 if (size != filemax) 566 { 567 grub_printf ("Differ in size: 0x%x [%s], 0x%x [%s]\n", 568 size, file1, filemax, file2); 569 grub_close (); 570 return 0; 571 } 572 573 if (! grub_read (addr2, -1)) 574 { 575 grub_close (); 576 return 1; 577 } 578 579 grub_close (); 580 581 /* Now compare ADDR1 with ADDR2. */ 582 for (i = 0; i < size; i++) 583 { 584 if (addr1[i] != addr2[i]) 585 grub_printf ("Differ at the offset %d: 0x%x [%s], 0x%x [%s]\n", 586 i, (unsigned) addr1[i], file1, 587 (unsigned) addr2[i], file2); 588 } 589 590 return 0; 591 } 592 593 static struct builtin builtin_cmp = 594 { 595 "cmp", 596 cmp_func, 597 BUILTIN_CMDLINE, 598 "cmp FILE1 FILE2", 599 "Compare the file FILE1 with the FILE2 and inform the different values" 600 " if any." 601 }; 602 603 604 /* color */ 605 /* Set new colors used for the menu interface. Support two methods to 606 specify a color name: a direct integer representation and a symbolic 607 color name. An example of the latter is "blink-light-gray/blue". */ 608 static int 609 color_func (char *arg, int flags) 610 { 611 char *normal; 612 char *highlight; 613 int new_normal_color; 614 int new_highlight_color; 615 static char *color_list[16] = 616 { 617 "black", 618 "blue", 619 "green", 620 "cyan", 621 "red", 622 "magenta", 623 "brown", 624 "light-gray", 625 "dark-gray", 626 "light-blue", 627 "light-green", 628 "light-cyan", 629 "light-red", 630 "light-magenta", 631 "yellow", 632 "white" 633 }; 634 635 auto int color_number (char *str); 636 637 /* Convert the color name STR into the magical number. */ 638 auto int color_number (char *str) 639 { 640 char *ptr; 641 int i; 642 int color = 0; 643 644 /* Find the separator. */ 645 for (ptr = str; *ptr && *ptr != '/'; ptr++) 646 ; 647 648 /* If not found, return -1. */ 649 if (! *ptr) 650 return -1; 651 652 /* Terminate the string STR. */ 653 *ptr++ = 0; 654 655 /* If STR contains the prefix "blink-", then set the `blink' bit 656 in COLOR. */ 657 if (substring ("blink-", str) <= 0) 658 { 659 color = 0x80; 660 str += 6; 661 } 662 663 /* Search for the color name. */ 664 for (i = 0; i < 16; i++) 665 if (grub_strcmp (color_list[i], str) == 0) 666 { 667 color |= i; 668 break; 669 } 670 671 if (i == 16) 672 return -1; 673 674 str = ptr; 675 nul_terminate (str); 676 677 /* Search for the color name. */ 678 for (i = 0; i < 8; i++) 679 if (grub_strcmp (color_list[i], str) == 0) 680 { 681 color |= i << 4; 682 break; 683 } 684 685 if (i == 8) 686 return -1; 687 688 return color; 689 } 690 691 normal = arg; 692 highlight = skip_to (0, arg); 693 694 new_normal_color = color_number (normal); 695 if (new_normal_color < 0 && ! safe_parse_maxint (&normal, &new_normal_color)) 696 return 1; 697 698 /* The second argument is optional, so set highlight_color 699 to inverted NORMAL_COLOR. */ 700 if (! *highlight) 701 new_highlight_color = ((new_normal_color >> 4) 702 | ((new_normal_color & 0xf) << 4)); 703 else 704 { 705 new_highlight_color = color_number (highlight); 706 if (new_highlight_color < 0 707 && ! safe_parse_maxint (&highlight, &new_highlight_color)) 708 return 1; 709 } 710 711 if (current_term->setcolor) 712 current_term->setcolor (new_normal_color, new_highlight_color); 713 714 return 0; 715 } 716 717 static struct builtin builtin_color = 718 { 719 "color", 720 color_func, 721 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 722 "color NORMAL [HIGHLIGHT]", 723 "Change the menu colors. The color NORMAL is used for most" 724 " lines in the menu, and the color HIGHLIGHT is used to highlight the" 725 " line where the cursor points. If you omit HIGHLIGHT, then the" 726 " inverted color of NORMAL is used for the highlighted line." 727 " The format of a color is \"FG/BG\". FG and BG are symbolic color names." 728 " A symbolic color name must be one of these: black, blue, green," 729 " cyan, red, magenta, brown, light-gray, dark-gray, light-blue," 730 " light-green, light-cyan, light-red, light-magenta, yellow and white." 731 " But only the first eight names can be used for BG. You can prefix" 732 " \"blink-\" to FG if you want a blinking foreground color." 733 }; 734 735 736 /* configfile */ 737 static int 738 configfile_func (char *arg, int flags) 739 { 740 char *new_config = config_file; 741 742 /* Check if the file ARG is present. */ 743 if (! grub_open (arg)) 744 return 1; 745 746 grub_close (); 747 748 /* Copy ARG to CONFIG_FILE. */ 749 while ((*new_config++ = *arg++) != 0) 750 ; 751 752 #ifdef GRUB_UTIL 753 /* Force to load the configuration file. */ 754 use_config_file = 1; 755 #endif 756 757 /* Make sure that the user will not be authoritative. */ 758 auth = 0; 759 760 /* Restart cmain. */ 761 grub_longjmp (restart_env, 0); 762 763 /* Never reach here. */ 764 return 0; 765 } 766 767 static struct builtin builtin_configfile = 768 { 769 "configfile", 770 configfile_func, 771 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 772 "configfile FILE", 773 "Load FILE as the configuration file." 774 }; 775 776 777 /* debug */ 778 static int 779 debug_func (char *arg, int flags) 780 { 781 if (debug) 782 { 783 debug = 0; 784 grub_printf (" Debug mode is turned off\n"); 785 } 786 else 787 { 788 debug = 1; 789 grub_printf (" Debug mode is turned on\n"); 790 } 791 792 return 0; 793 } 794 795 static struct builtin builtin_debug = 796 { 797 "debug", 798 debug_func, 799 BUILTIN_CMDLINE, 800 "debug", 801 "Turn on/off the debug mode." 802 }; 803 804 805 /* default */ 806 static int 807 default_func (char *arg, int flags) 808 { 809 #ifndef SUPPORT_DISKLESS 810 if (grub_strcmp (arg, "saved") == 0) 811 { 812 default_entry = saved_entryno; 813 return 0; 814 } 815 #endif /* SUPPORT_DISKLESS */ 816 817 if (! safe_parse_maxint (&arg, &default_entry)) 818 return 1; 819 820 return 0; 821 } 822 823 static struct builtin builtin_default = 824 { 825 "default", 826 default_func, 827 BUILTIN_MENU, 828 #if 0 829 "default [NUM | `saved']", 830 "Set the default entry to entry number NUM (if not specified, it is" 831 " 0, the first entry) or the entry number saved by savedefault." 832 #endif 833 }; 834 835 836 #ifdef GRUB_UTIL 837 /* device */ 838 static int 839 device_func (char *arg, int flags) 840 { 841 char *drive = arg; 842 char *device; 843 844 /* Get the drive number from DRIVE. */ 845 if (! set_device (drive)) 846 return 1; 847 848 /* Get the device argument. */ 849 device = skip_to (0, drive); 850 851 /* Terminate DEVICE. */ 852 nul_terminate (device); 853 854 if (! *device || ! check_device (device)) 855 { 856 errnum = ERR_FILE_NOT_FOUND; 857 return 1; 858 } 859 860 assign_device_name (current_drive, device); 861 862 return 0; 863 } 864 865 static struct builtin builtin_device = 866 { 867 "device", 868 device_func, 869 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 870 "device DRIVE DEVICE", 871 "Specify DEVICE as the actual drive for a BIOS drive DRIVE. This command" 872 " can be used only in the grub shell." 873 }; 874 #endif /* GRUB_UTIL */ 875 876 #ifdef SUPPORT_NETBOOT 877 /* Debug Function for RPC */ 878 #ifdef RPC_DEBUG 879 /* portmap */ 880 static int 881 portmap_func (char *arg, int flags) 882 { 883 int port, prog, ver; 884 if (! grub_eth_probe ()){ 885 grub_printf ("No ethernet card found.\n"); 886 errnum = ERR_DEV_VALUES; 887 return 1; 888 } 889 if ((prog = getdec(&arg)) == -1){ 890 grub_printf("Error prog number\n"); 891 return 1; 892 } 893 arg = skip_to (0, arg); 894 if ((ver = getdec(&arg)) == -1){ 895 grub_printf("Error ver number\n"); 896 return 1; 897 } 898 port = __pmapudp_getport(ARP_SERVER, prog, ver); 899 printf("portmap getport %d", port); 900 return 0; 901 } 902 903 static struct builtin builtin_portmap = 904 { 905 "portmap", 906 portmap_func, 907 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 908 "portmap prog_number vers_number", 909 "Do portmap with the prog_number and vers_number" 910 }; 911 #endif /* RPC_DEBUG */ 912 913 /* dhcp */ 914 static int 915 dhcp_func (char *arg, int flags) 916 { 917 int with_configfile = 0; 918 919 if (grub_memcmp (arg, "--with-configfile", sizeof ("--with-configfile") - 1) 920 == 0) 921 { 922 with_configfile = 1; 923 arg = skip_to (0, arg); 924 } 925 926 if (! dhcp ()) 927 { 928 if (errnum == ERR_NONE) 929 errnum = ERR_DEV_VALUES; 930 931 return 1; 932 } 933 934 /* Notify the configuration. */ 935 print_network_configuration (); 936 937 /* XXX: this can cause an endless loop, but there is no easy way to 938 detect such a loop unfortunately. */ 939 if (with_configfile) 940 configfile_func (config_file, flags); 941 else 942 solaris_config_file(); 943 944 return 0; 945 } 946 947 static void solaris_config_file (void) 948 { 949 static char menufile[64]; 950 static char hexdigit[] = "0123456789ABCDEF"; 951 char *c = menufile; 952 int i; 953 int err; 954 955 /* if config_file is from DHCP option 150, keep the setting */ 956 if (grub_strcmp(config_file, "/boot/grub/menu.lst") != 0) 957 return; 958 959 /* default solaris configfile name menu.lst.01<ether_addr> */ 960 grub_strcpy(c, "menu.lst.01"); 961 c += grub_strlen(c); 962 for (i = 0; i < ETH_ALEN; i++) { 963 unsigned char b = arptable[ARP_CLIENT].node[i]; 964 *c++ = hexdigit[b >> 4]; 965 *c++ = hexdigit[b & 0xf]; 966 } 967 *c = 0; 968 969 /* 970 * If the file exists, make it the default. Else, fallback 971 * to what it was. Make sure we don't change errnum in the 972 * process. 973 */ 974 err = errnum; 975 if (grub_open(menufile)) { 976 grub_strcpy(config_file, menufile); 977 grub_close(); 978 } else { 979 char *cp = config_file; 980 /* skip leading slashes for tftp */ 981 while (*cp == '/') 982 ++cp; 983 grub_memmove (config_file, cp, strlen(cp) + 1); 984 } 985 errnum = err; 986 } 987 988 static struct builtin builtin_dhcp = 989 { 990 "dhcp", 991 dhcp_func, 992 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 993 "dhcp", 994 "Initialize a network device via DHCP." 995 }; 996 #endif /* SUPPORT_NETBOOT */ 997 998 static int terminal_func (char *arg, int flags); 999 1000 static int verbose_func(char *arg, int flags) { 1001 1002 if (grub_strcmp(arg, "off") == 0) { 1003 silent.status = DEFER_SILENT; 1004 return; 1005 } else 1006 if (flags == BUILTIN_CMDLINE) { 1007 silent.status = DEFER_VERBOSE; 1008 return; 1009 } 1010 1011 silent.status = VERBOSE; 1012 1013 /* get back to text console */ 1014 if (current_term->shutdown) { 1015 (*current_term->shutdown)(); 1016 current_term = term_table; /* assumption: console is first */ 1017 } 1018 1019 /* dump the buffer */ 1020 if (!silent.looped) { 1021 /* if the buffer hasn't looped, just print it */ 1022 printf("%s", silent.buffer); 1023 } else { 1024 /* 1025 * If the buffer has looped, first print the oldest part of the buffer, 1026 * which is one past the current null. Then print the newer part which 1027 * starts at the beginning of the buffer. 1028 */ 1029 printf("%s", silent.buffer_start + 1); 1030 printf("%s", silent.buffer); 1031 } 1032 1033 return 0; 1034 } 1035 1036 static struct builtin builtin_verbose = 1037 { 1038 "verbose", 1039 verbose_func, 1040 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 1041 "verbose", 1042 "Verbose output during menu entry (script) execution." 1043 }; 1044 1045 #ifdef SUPPORT_GRAPHICS 1046 1047 static int splashimage_func(char *arg, int flags) { 1048 char splashimage[64]; 1049 int i; 1050 1051 /* filename can only be 64 characters due to our buffer size */ 1052 if (strlen(arg) > 63) 1053 return 1; 1054 1055 if (flags == BUILTIN_SCRIPT) 1056 flags = BUILTIN_CMDLINE; 1057 1058 if (flags == BUILTIN_CMDLINE) { 1059 if (!grub_open(arg)) 1060 return 1; 1061 grub_close(); 1062 } 1063 1064 strcpy(splashimage, arg); 1065 1066 /* get rid of TERM_NEED_INIT from the graphics terminal. */ 1067 for (i = 0; term_table[i].name; i++) { 1068 if (grub_strcmp (term_table[i].name, "graphics") == 0) { 1069 term_table[i].flags &= ~TERM_NEED_INIT; 1070 break; 1071 } 1072 } 1073 1074 graphics_set_splash(splashimage); 1075 1076 if (flags == BUILTIN_CMDLINE && graphics_inited) { 1077 /* 1078 * calling graphics_end() here flickers the screen black. OTOH not 1079 * calling it gets us odd plane interlacing / early palette switching ? 1080 * ideally one should figure out how to double buffer and switch... 1081 */ 1082 graphics_end(); 1083 graphics_init(); 1084 graphics_cls(); 1085 } 1086 1087 /* 1088 * This call does not explicitly initialize graphics mode, but rather 1089 * simply sets the terminal type unless we're in command line mode and 1090 * call this function while in terminal mode. 1091 */ 1092 terminal_func("graphics", flags); 1093 1094 reset_term = 0; 1095 1096 return 0; 1097 } 1098 1099 static struct builtin builtin_splashimage = 1100 { 1101 "splashimage", 1102 splashimage_func, 1103 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 1104 "splashimage FILE", 1105 "Load FILE as the background image when in graphics mode." 1106 }; 1107 1108 1109 /* foreground */ 1110 static int 1111 foreground_func(char *arg, int flags) 1112 { 1113 if (grub_strlen(arg) == 6) { 1114 int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2; 1115 int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2; 1116 int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2; 1117 1118 foreground = (r << 16) | (g << 8) | b; 1119 if (graphics_inited) 1120 graphics_set_palette(15, r, g, b); 1121 1122 return (0); 1123 } 1124 1125 return (1); 1126 } 1127 1128 static struct builtin builtin_foreground = 1129 { 1130 "foreground", 1131 foreground_func, 1132 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST | BUILTIN_SCRIPT, 1133 "foreground RRGGBB", 1134 "Sets the foreground color when in graphics mode." 1135 "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal." 1136 }; 1137 1138 1139 /* background */ 1140 static int 1141 background_func(char *arg, int flags) 1142 { 1143 if (grub_strlen(arg) == 6) { 1144 int r = ((hex(arg[0]) << 4) | hex(arg[1])) >> 2; 1145 int g = ((hex(arg[2]) << 4) | hex(arg[3])) >> 2; 1146 int b = ((hex(arg[4]) << 4) | hex(arg[5])) >> 2; 1147 1148 background = (r << 16) | (g << 8) | b; 1149 if (graphics_inited) 1150 graphics_set_palette(0, r, g, b); 1151 return (0); 1152 } 1153 1154 return (1); 1155 } 1156 1157 static struct builtin builtin_background = 1158 { 1159 "background", 1160 background_func, 1161 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST | BUILTIN_SCRIPT, 1162 "background RRGGBB", 1163 "Sets the background color when in graphics mode." 1164 "RR is red, GG is green, and BB blue. Numbers must be in hexadecimal." 1165 }; 1166 1167 #endif /* SUPPORT_GRAPHICS */ 1168 1169 1170 /* clear */ 1171 static int 1172 clear_func() 1173 { 1174 if (current_term->cls) 1175 current_term->cls(); 1176 1177 return 0; 1178 } 1179 1180 static struct builtin builtin_clear = 1181 { 1182 "clear", 1183 clear_func, 1184 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1185 "clear", 1186 "Clear the screen" 1187 }; 1188 1189 /* displayapm */ 1190 static int 1191 displayapm_func (char *arg, int flags) 1192 { 1193 if (mbi.flags & MB_INFO_APM_TABLE) 1194 { 1195 grub_printf ("APM BIOS information:\n" 1196 " Version: 0x%x\n" 1197 " 32-bit CS: 0x%x\n" 1198 " Offset: 0x%x\n" 1199 " 16-bit CS: 0x%x\n" 1200 " 16-bit DS: 0x%x\n" 1201 " 32-bit CS length: 0x%x\n" 1202 " 16-bit CS length: 0x%x\n" 1203 " 16-bit DS length: 0x%x\n", 1204 (unsigned) apm_bios_info.version, 1205 (unsigned) apm_bios_info.cseg, 1206 apm_bios_info.offset, 1207 (unsigned) apm_bios_info.cseg_16, 1208 (unsigned) apm_bios_info.dseg_16, 1209 (unsigned) apm_bios_info.cseg_len, 1210 (unsigned) apm_bios_info.cseg_16_len, 1211 (unsigned) apm_bios_info.dseg_16_len); 1212 } 1213 else 1214 { 1215 grub_printf ("No APM BIOS found or probe failed\n"); 1216 } 1217 1218 return 0; 1219 } 1220 1221 static struct builtin builtin_displayapm = 1222 { 1223 "displayapm", 1224 displayapm_func, 1225 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1226 "displayapm", 1227 "Display APM BIOS information." 1228 }; 1229 1230 1231 /* displaymem */ 1232 static int 1233 displaymem_func (char *arg, int flags) 1234 { 1235 if (get_eisamemsize () != -1) 1236 grub_printf (" EISA Memory BIOS Interface is present\n"); 1237 if (get_mmap_entry ((void *) SCRATCHADDR, 0) != 0 1238 || *((int *) SCRATCHADDR) != 0) 1239 grub_printf (" Address Map BIOS Interface is present\n"); 1240 1241 grub_printf (" Lower memory: %uK, " 1242 "Upper memory (to first chipset hole): %uK\n", 1243 mbi.mem_lower, mbi.mem_upper); 1244 1245 if (min_mem64 != 0) 1246 grub_printf (" Memory limit for 64-bit ISADIR expansion: %uMB\n", 1247 min_mem64); 1248 1249 if (mbi.flags & MB_INFO_MEM_MAP) 1250 { 1251 struct AddrRangeDesc *map = (struct AddrRangeDesc *) mbi.mmap_addr; 1252 int end_addr = mbi.mmap_addr + mbi.mmap_length; 1253 1254 grub_printf (" [Address Range Descriptor entries " 1255 "immediately follow (values are 64-bit)]\n"); 1256 while (end_addr > (int) map) 1257 { 1258 char *str; 1259 1260 if (map->Type == MB_ARD_MEMORY) 1261 str = "Usable RAM"; 1262 else 1263 str = "Reserved"; 1264 grub_printf (" %s: Base Address: 0x%x X 4GB + 0x%x,\n" 1265 " Length: 0x%x X 4GB + 0x%x bytes\n", 1266 str, 1267 (unsigned long) (map->BaseAddr >> 32), 1268 (unsigned long) (map->BaseAddr & 0xFFFFFFFF), 1269 (unsigned long) (map->Length >> 32), 1270 (unsigned long) (map->Length & 0xFFFFFFFF)); 1271 1272 map = ((struct AddrRangeDesc *) (((int) map) + 4 + map->size)); 1273 } 1274 } 1275 1276 return 0; 1277 } 1278 1279 static struct builtin builtin_displaymem = 1280 { 1281 "displaymem", 1282 displaymem_func, 1283 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1284 "displaymem", 1285 "Display what GRUB thinks the system address space map of the" 1286 " machine is, including all regions of physical RAM installed." 1287 }; 1288 1289 1290 /* dump FROM TO */ 1291 #ifdef GRUB_UTIL 1292 static int 1293 dump_func (char *arg, int flags) 1294 { 1295 char *from, *to; 1296 FILE *fp; 1297 char c; 1298 1299 from = arg; 1300 to = skip_to (0, arg); 1301 if (! *from || ! *to) 1302 { 1303 errnum = ERR_BAD_ARGUMENT; 1304 return 1; 1305 } 1306 1307 nul_terminate (from); 1308 nul_terminate (to); 1309 1310 if (! grub_open (from)) 1311 return 1; 1312 1313 fp = fopen (to, "w"); 1314 if (! fp) 1315 { 1316 errnum = ERR_WRITE; 1317 return 1; 1318 } 1319 1320 while (grub_read (&c, 1)) 1321 if (fputc (c, fp) == EOF) 1322 { 1323 errnum = ERR_WRITE; 1324 fclose (fp); 1325 return 1; 1326 } 1327 1328 if (fclose (fp) == EOF) 1329 { 1330 errnum = ERR_WRITE; 1331 return 1; 1332 } 1333 1334 grub_close (); 1335 return 0; 1336 } 1337 1338 static struct builtin builtin_dump = 1339 { 1340 "dump", 1341 dump_func, 1342 BUILTIN_CMDLINE, 1343 "dump FROM TO", 1344 "Dump the contents of the file FROM to the file TO. FROM must be" 1345 " a GRUB file and TO must be an OS file." 1346 }; 1347 #endif /* GRUB_UTIL */ 1348 1349 1350 static char embed_info[32]; 1351 /* embed */ 1352 /* Embed a Stage 1.5 in the first cylinder after MBR or in the 1353 bootloader block in a FFS. */ 1354 static int 1355 embed_func (char *arg, int flags) 1356 { 1357 char *stage1_5; 1358 char *device; 1359 char *stage1_5_buffer = (char *) RAW_ADDR (0x100000); 1360 int len, size; 1361 int sector; 1362 1363 stage1_5 = arg; 1364 device = skip_to (0, stage1_5); 1365 1366 /* Open a Stage 1.5. */ 1367 if (! grub_open (stage1_5)) 1368 return 1; 1369 1370 /* Read the whole of the Stage 1.5. */ 1371 len = grub_read (stage1_5_buffer, -1); 1372 grub_close (); 1373 1374 if (errnum) 1375 return 1; 1376 1377 size = (len + SECTOR_SIZE - 1) / SECTOR_SIZE; 1378 1379 /* Get the device where the Stage 1.5 will be embedded. */ 1380 set_device (device); 1381 if (errnum) 1382 return 1; 1383 1384 if (current_partition == 0xFFFFFF) 1385 { 1386 /* Embed it after the MBR. */ 1387 1388 char mbr[SECTOR_SIZE]; 1389 char ezbios_check[2*SECTOR_SIZE]; 1390 int i; 1391 1392 /* Open the partition. */ 1393 if (! open_partition ()) 1394 return 1; 1395 1396 /* No floppy has MBR. */ 1397 if (! (current_drive & 0x80)) 1398 { 1399 errnum = ERR_DEV_VALUES; 1400 return 1; 1401 } 1402 1403 /* Read the MBR of CURRENT_DRIVE. */ 1404 if (! rawread (current_drive, PC_MBR_SECTOR, 0, SECTOR_SIZE, mbr)) 1405 return 1; 1406 1407 /* Sanity check. */ 1408 if (! PC_MBR_CHECK_SIG (mbr)) 1409 { 1410 errnum = ERR_BAD_PART_TABLE; 1411 return 1; 1412 } 1413 1414 /* Check if the disk can store the Stage 1.5. */ 1415 for (i = 0; i < 4; i++) 1416 if (PC_SLICE_TYPE (mbr, i) && PC_SLICE_START (mbr, i) - 1 < size) 1417 { 1418 errnum = ERR_NO_DISK_SPACE; 1419 return 1; 1420 } 1421 1422 /* Check for EZ-BIOS signature. It should be in the third 1423 * sector, but due to remapping it can appear in the second, so 1424 * load and check both. 1425 */ 1426 if (! rawread (current_drive, 1, 0, 2 * SECTOR_SIZE, ezbios_check)) 1427 return 1; 1428 1429 if (! memcmp (ezbios_check + 3, "AERMH", 5) 1430 || ! memcmp (ezbios_check + 512 + 3, "AERMH", 5)) 1431 { 1432 /* The space after the MBR is used by EZ-BIOS which we must 1433 * not overwrite. 1434 */ 1435 errnum = ERR_NO_DISK_SPACE; 1436 return 1; 1437 } 1438 1439 sector = 1; 1440 } 1441 else 1442 { 1443 /* Embed it in the bootloader block in the filesystem. */ 1444 int start_sector; 1445 1446 /* Open the partition. */ 1447 if (! open_device ()) 1448 return 1; 1449 1450 /* Check if the current slice supports embedding. */ 1451 if (fsys_table[fsys_type].embed_func == 0 1452 || ! fsys_table[fsys_type].embed_func (&start_sector, size)) 1453 { 1454 errnum = ERR_DEV_VALUES; 1455 return 1; 1456 } 1457 1458 sector = part_start + start_sector; 1459 } 1460 1461 /* Clear the cache. */ 1462 buf_track = BUF_CACHE_INVALID; 1463 1464 /* Now perform the embedding. */ 1465 if (! devwrite (sector - part_start, size, stage1_5_buffer)) 1466 return 1; 1467 1468 grub_printf (" %d sectors are embedded.\n", size); 1469 grub_sprintf (embed_info, "%d+%d", sector - part_start, size); 1470 return 0; 1471 } 1472 1473 static struct builtin builtin_embed = 1474 { 1475 "embed", 1476 embed_func, 1477 BUILTIN_CMDLINE, 1478 "embed STAGE1_5 DEVICE", 1479 "Embed the Stage 1.5 STAGE1_5 in the sectors after MBR if DEVICE" 1480 " is a drive, or in the \"bootloader\" area if DEVICE is a FFS partition." 1481 " Print the number of sectors which STAGE1_5 occupies if successful." 1482 }; 1483 1484 1485 /* fallback */ 1486 static int 1487 fallback_func (char *arg, int flags) 1488 { 1489 int i = 0; 1490 1491 while (*arg) 1492 { 1493 int entry; 1494 int j; 1495 1496 if (! safe_parse_maxint (&arg, &entry)) 1497 return 1; 1498 1499 /* Remove duplications to prevent infinite looping. */ 1500 for (j = 0; j < i; j++) 1501 if (entry == fallback_entries[j]) 1502 break; 1503 if (j != i) 1504 continue; 1505 1506 fallback_entries[i++] = entry; 1507 if (i == MAX_FALLBACK_ENTRIES) 1508 break; 1509 1510 arg = skip_to (0, arg); 1511 } 1512 1513 if (i < MAX_FALLBACK_ENTRIES) 1514 fallback_entries[i] = -1; 1515 1516 fallback_entryno = (i == 0) ? -1 : 0; 1517 1518 return 0; 1519 } 1520 1521 static struct builtin builtin_fallback = 1522 { 1523 "fallback", 1524 fallback_func, 1525 BUILTIN_MENU, 1526 #if 0 1527 "fallback NUM...", 1528 "Go into unattended boot mode: if the default boot entry has any" 1529 " errors, instead of waiting for the user to do anything, it" 1530 " immediately starts over using the NUM entry (same numbering as the" 1531 " `default' command). This obviously won't help if the machine" 1532 " was rebooted by a kernel that GRUB loaded." 1533 #endif 1534 }; 1535 1536 1537 1538 void 1539 set_root (char *root, unsigned long drive, unsigned long part) 1540 { 1541 int bsd_part = (part >> 8) & 0xFF; 1542 int pc_slice = part >> 16; 1543 1544 if (bsd_part == 0xFF) { 1545 grub_sprintf (root, "(hd%d,%d)\n", drive - 0x80, pc_slice); 1546 } else { 1547 grub_sprintf (root, "(hd%d,%d,%c)\n", 1548 drive - 0x80, pc_slice, bsd_part + 'a'); 1549 } 1550 } 1551 1552 static int 1553 find_common (char *arg, char *root, int for_root, int flags) 1554 { 1555 char *filename = NULL; 1556 static char argpart[32]; 1557 static char device[32]; 1558 char *tmp_argpart = NULL; 1559 unsigned long drive; 1560 unsigned long tmp_drive = saved_drive; 1561 unsigned long tmp_partition = saved_partition; 1562 int got_file = 0; 1563 static char bootsign[BOOTSIGN_LEN]; 1564 1565 /* 1566 * If argument has partition information (findroot command only), then 1567 * it can't be a floppy 1568 */ 1569 if (for_root && arg[0] == '(') { 1570 tmp_argpart = grub_strchr(arg + 1, ','); 1571 if (tmp_argpart == NULL) 1572 goto out; 1573 grub_strcpy(argpart, tmp_argpart); 1574 *tmp_argpart = '\0'; 1575 arg++; 1576 grub_sprintf(bootsign, "%s/%s", BOOTSIGN_DIR, arg); 1577 filename = bootsign; 1578 goto harddisk; 1579 } else if (for_root) { 1580 /* Boot signature without partition/slice information */ 1581 grub_sprintf(bootsign, "%s/%s", BOOTSIGN_DIR, arg); 1582 filename = bootsign; 1583 } else { 1584 /* plain vanilla find cmd */ 1585 filename = arg; 1586 } 1587 1588 /* Floppies. */ 1589 for (drive = 0; drive < 8; drive++) 1590 { 1591 current_drive = drive; 1592 current_partition = 0xFFFFFF; 1593 1594 if (open_device ()) 1595 { 1596 saved_drive = current_drive; 1597 saved_partition = current_partition; 1598 if (grub_open (filename)) 1599 { 1600 grub_close (); 1601 got_file = 1; 1602 if (for_root) { 1603 grub_sprintf(root, "(fd%d)", drive); 1604 goto out; 1605 } else 1606 grub_printf (" (fd%d)\n", drive); 1607 } 1608 } 1609 1610 errnum = ERR_NONE; 1611 } 1612 1613 harddisk: 1614 /* Hard disks. */ 1615 for (drive = 0x80; drive < 0x88; drive++) 1616 { 1617 unsigned long part = 0xFFFFFF; 1618 unsigned long start, len, offset, ext_offset; 1619 int type, entry; 1620 char buf[SECTOR_SIZE]; 1621 1622 if (for_root && tmp_argpart) { 1623 grub_sprintf(device, "(hd%d%s", drive - 0x80, argpart); 1624 set_device(device); 1625 errnum = ERR_NONE; 1626 part = current_partition; 1627 if (open_device ()) { 1628 saved_drive = current_drive; 1629 saved_partition = current_partition; 1630 errnum = ERR_NONE; 1631 if (grub_open (filename)) { 1632 grub_close (); 1633 got_file = 1; 1634 if (is_zfs_mount == 0) { 1635 set_root(root, current_drive, current_partition); 1636 goto out; 1637 } else { 1638 best_drive = current_drive; 1639 best_part = current_partition; 1640 } 1641 } 1642 } 1643 errnum = ERR_NONE; 1644 continue; 1645 } 1646 current_drive = drive; 1647 while (next_partition (drive, 0xFFFFFF, &part, &type, 1648 &start, &len, &offset, &entry, 1649 &ext_offset, buf)) 1650 { 1651 if (type != PC_SLICE_TYPE_NONE 1652 && ! IS_PC_SLICE_TYPE_BSD (type) 1653 && ! IS_PC_SLICE_TYPE_EXTENDED (type)) 1654 { 1655 current_partition = part; 1656 if (open_device ()) 1657 { 1658 saved_drive = current_drive; 1659 saved_partition = current_partition; 1660 if (grub_open (filename)) 1661 { 1662 char tmproot[32]; 1663 1664 grub_close (); 1665 got_file = 1; 1666 set_root(tmproot, drive, part); 1667 if (for_root) { 1668 grub_memcpy(root, tmproot, sizeof(tmproot)); 1669 if (is_zfs_mount == 0) { 1670 goto out; 1671 } else { 1672 best_drive = current_drive; 1673 best_part = current_partition; 1674 } 1675 } else { 1676 grub_printf("%s", tmproot); 1677 } 1678 } 1679 } 1680 } 1681 1682 /* We want to ignore any error here. */ 1683 errnum = ERR_NONE; 1684 } 1685 1686 /* next_partition always sets ERRNUM in the last call, so clear 1687 it. */ 1688 errnum = ERR_NONE; 1689 } 1690 1691 out: 1692 if (is_zfs_mount && for_root) { 1693 set_root(root, best_drive, best_part); 1694 buf_drive = -1; 1695 } else { 1696 saved_drive = tmp_drive; 1697 saved_partition = tmp_partition; 1698 } 1699 if (tmp_argpart) 1700 *tmp_argpart = ','; 1701 1702 if (got_file) 1703 { 1704 errnum = ERR_NONE; 1705 return 0; 1706 } 1707 1708 errnum = ERR_FILE_NOT_FOUND; 1709 return 1; 1710 } 1711 1712 /* find */ 1713 /* Search for the filename ARG in all of partitions. */ 1714 static int 1715 find_func (char *arg, int flags) 1716 { 1717 return (find_common(arg, NULL, 0, flags)); 1718 } 1719 1720 static struct builtin builtin_find = 1721 { 1722 "find", 1723 find_func, 1724 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1725 "find FILENAME", 1726 "Search for the filename FILENAME in all of partitions and print the list of" 1727 " the devices which contain the file." 1728 }; 1729 1730 1731 /* fstest */ 1732 static int 1733 fstest_func (char *arg, int flags) 1734 { 1735 if (disk_read_hook) 1736 { 1737 disk_read_hook = NULL; 1738 printf (" Filesystem tracing is now off\n"); 1739 } 1740 else 1741 { 1742 disk_read_hook = disk_read_print_func; 1743 printf (" Filesystem tracing is now on\n"); 1744 } 1745 1746 return 0; 1747 } 1748 1749 static struct builtin builtin_fstest = 1750 { 1751 "fstest", 1752 fstest_func, 1753 BUILTIN_CMDLINE, 1754 "fstest", 1755 "Toggle filesystem test mode." 1756 }; 1757 1758 1759 /* geometry */ 1760 static int 1761 geometry_func (char *arg, int flags) 1762 { 1763 struct geometry geom; 1764 char *msg; 1765 char *device = arg; 1766 #ifdef GRUB_UTIL 1767 char *ptr; 1768 #endif 1769 1770 /* Get the device number. */ 1771 set_device (device); 1772 if (errnum) 1773 return 1; 1774 1775 /* Check for the geometry. */ 1776 if (get_diskinfo (current_drive, &geom)) 1777 { 1778 errnum = ERR_NO_DISK; 1779 return 1; 1780 } 1781 1782 /* Attempt to read the first sector, because some BIOSes turns out not 1783 to support LBA even though they set the bit 0 in the support 1784 bitmap, only after reading something actually. */ 1785 if (biosdisk (BIOSDISK_READ, current_drive, &geom, 0, 1, SCRATCHSEG)) 1786 { 1787 errnum = ERR_READ; 1788 return 1; 1789 } 1790 1791 #ifdef GRUB_UTIL 1792 ptr = skip_to (0, device); 1793 if (*ptr) 1794 { 1795 char *cylinder, *head, *sector, *total_sector; 1796 int num_cylinder, num_head, num_sector, num_total_sector; 1797 1798 cylinder = ptr; 1799 head = skip_to (0, cylinder); 1800 sector = skip_to (0, head); 1801 total_sector = skip_to (0, sector); 1802 if (! safe_parse_maxint (&cylinder, &num_cylinder) 1803 || ! safe_parse_maxint (&head, &num_head) 1804 || ! safe_parse_maxint (§or, &num_sector)) 1805 return 1; 1806 1807 disks[current_drive].cylinders = num_cylinder; 1808 disks[current_drive].heads = num_head; 1809 disks[current_drive].sectors = num_sector; 1810 1811 if (safe_parse_maxint (&total_sector, &num_total_sector)) 1812 disks[current_drive].total_sectors = num_total_sector; 1813 else 1814 disks[current_drive].total_sectors 1815 = num_cylinder * num_head * num_sector; 1816 errnum = 0; 1817 1818 geom = disks[current_drive]; 1819 buf_drive = -1; 1820 } 1821 #endif /* GRUB_UTIL */ 1822 1823 #ifdef GRUB_UTIL 1824 msg = device_map[current_drive]; 1825 #else 1826 if (geom.flags & BIOSDISK_FLAG_LBA_EXTENSION) 1827 msg = "LBA"; 1828 else 1829 msg = "CHS"; 1830 #endif 1831 1832 grub_printf ("drive 0x%x: C/H/S = %d/%d/%d, " 1833 "The number of sectors = %u, %s\n", 1834 current_drive, 1835 geom.cylinders, geom.heads, geom.sectors, 1836 geom.total_sectors, msg); 1837 real_open_partition (1); 1838 1839 return 0; 1840 } 1841 1842 static struct builtin builtin_geometry = 1843 { 1844 "geometry", 1845 geometry_func, 1846 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1847 "geometry DRIVE [CYLINDER HEAD SECTOR [TOTAL_SECTOR]]", 1848 "Print the information for a drive DRIVE. In the grub shell, you can" 1849 " set the geometry of the drive arbitrarily. The number of the cylinders," 1850 " the one of the heads, the one of the sectors and the one of the total" 1851 " sectors are set to CYLINDER, HEAD, SECTOR and TOTAL_SECTOR," 1852 " respectively. If you omit TOTAL_SECTOR, then it will be calculated based" 1853 " on the C/H/S values automatically." 1854 }; 1855 1856 1857 /* halt */ 1858 static int 1859 halt_func (char *arg, int flags) 1860 { 1861 int no_apm; 1862 1863 no_apm = (grub_memcmp (arg, "--no-apm", 8) == 0); 1864 grub_halt (no_apm); 1865 1866 /* Never reach here. */ 1867 return 1; 1868 } 1869 1870 static struct builtin builtin_halt = 1871 { 1872 "halt", 1873 halt_func, 1874 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 1875 "halt [--no-apm]", 1876 "Halt your system. If APM is avaiable on it, turn off the power using" 1877 " the APM BIOS, unless you specify the option `--no-apm'." 1878 }; 1879 1880 1881 /* help */ 1882 #define MAX_SHORT_DOC_LEN 39 1883 #define MAX_LONG_DOC_LEN 66 1884 1885 static int 1886 help_func (char *arg, int flags) 1887 { 1888 int all = 0; 1889 1890 if (grub_memcmp (arg, "--all", sizeof ("--all") - 1) == 0) 1891 { 1892 all = 1; 1893 arg = skip_to (0, arg); 1894 } 1895 1896 if (! *arg) 1897 { 1898 /* Invoked with no argument. Print the list of the short docs. */ 1899 struct builtin **builtin; 1900 int left = 1; 1901 1902 for (builtin = builtin_table; *builtin != 0; builtin++) 1903 { 1904 int len; 1905 int i; 1906 1907 /* If this cannot be used in the command-line interface, 1908 skip this. */ 1909 if (! ((*builtin)->flags & BUILTIN_CMDLINE)) 1910 continue; 1911 1912 /* If this doesn't need to be listed automatically and "--all" 1913 is not specified, skip this. */ 1914 if (! all && ! ((*builtin)->flags & BUILTIN_HELP_LIST)) 1915 continue; 1916 1917 len = grub_strlen ((*builtin)->short_doc); 1918 /* If the length of SHORT_DOC is too long, truncate it. */ 1919 if (len > MAX_SHORT_DOC_LEN - 1) 1920 len = MAX_SHORT_DOC_LEN - 1; 1921 1922 for (i = 0; i < len; i++) 1923 grub_putchar ((*builtin)->short_doc[i]); 1924 1925 for (; i < MAX_SHORT_DOC_LEN; i++) 1926 grub_putchar (' '); 1927 1928 if (! left) 1929 grub_putchar ('\n'); 1930 1931 left = ! left; 1932 } 1933 1934 /* If the last entry was at the left column, no newline was printed 1935 at the end. */ 1936 if (! left) 1937 grub_putchar ('\n'); 1938 } 1939 else 1940 { 1941 /* Invoked with one or more patterns. */ 1942 do 1943 { 1944 struct builtin **builtin; 1945 char *next_arg; 1946 1947 /* Get the next argument. */ 1948 next_arg = skip_to (0, arg); 1949 1950 /* Terminate ARG. */ 1951 nul_terminate (arg); 1952 1953 for (builtin = builtin_table; *builtin; builtin++) 1954 { 1955 /* Skip this if this is only for the configuration file. */ 1956 if (! ((*builtin)->flags & BUILTIN_CMDLINE)) 1957 continue; 1958 1959 if (substring (arg, (*builtin)->name) < 1) 1960 { 1961 char *doc = (*builtin)->long_doc; 1962 1963 /* At first, print the name and the short doc. */ 1964 grub_printf ("%s: %s\n", 1965 (*builtin)->name, (*builtin)->short_doc); 1966 1967 /* Print the long doc. */ 1968 while (*doc) 1969 { 1970 int len = grub_strlen (doc); 1971 int i; 1972 1973 /* If LEN is too long, fold DOC. */ 1974 if (len > MAX_LONG_DOC_LEN) 1975 { 1976 /* Fold this line at the position of a space. */ 1977 for (len = MAX_LONG_DOC_LEN; len > 0; len--) 1978 if (doc[len - 1] == ' ') 1979 break; 1980 } 1981 1982 grub_printf (" "); 1983 for (i = 0; i < len; i++) 1984 grub_putchar (*doc++); 1985 grub_putchar ('\n'); 1986 } 1987 } 1988 } 1989 1990 arg = next_arg; 1991 } 1992 while (*arg); 1993 } 1994 1995 return 0; 1996 } 1997 1998 static struct builtin builtin_help = 1999 { 2000 "help", 2001 help_func, 2002 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2003 "help [--all] [PATTERN ...]", 2004 "Display helpful information about builtin commands. Not all commands" 2005 " aren't shown without the option `--all'." 2006 }; 2007 2008 2009 /* hiddenmenu */ 2010 static int 2011 hiddenmenu_func (char *arg, int flags) 2012 { 2013 show_menu = 0; 2014 return 0; 2015 } 2016 2017 static struct builtin builtin_hiddenmenu = 2018 { 2019 "hiddenmenu", 2020 hiddenmenu_func, 2021 BUILTIN_MENU, 2022 #if 0 2023 "hiddenmenu", 2024 "Hide the menu." 2025 #endif 2026 }; 2027 2028 2029 /* hide */ 2030 static int 2031 hide_func (char *arg, int flags) 2032 { 2033 if (! set_device (arg)) 2034 return 1; 2035 2036 if (! set_partition_hidden_flag (1)) 2037 return 1; 2038 2039 return 0; 2040 } 2041 2042 static struct builtin builtin_hide = 2043 { 2044 "hide", 2045 hide_func, 2046 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 2047 "hide PARTITION", 2048 "Hide PARTITION by setting the \"hidden\" bit in" 2049 " its partition type code." 2050 }; 2051 2052 2053 #ifdef SUPPORT_NETBOOT 2054 /* ifconfig */ 2055 static int 2056 ifconfig_func (char *arg, int flags) 2057 { 2058 char *svr = 0, *ip = 0, *gw = 0, *sm = 0; 2059 2060 if (! grub_eth_probe ()) 2061 { 2062 grub_printf ("No ethernet card found.\n"); 2063 errnum = ERR_DEV_VALUES; 2064 return 1; 2065 } 2066 2067 while (*arg) 2068 { 2069 if (! grub_memcmp ("--server=", arg, sizeof ("--server=") - 1)) 2070 svr = arg + sizeof("--server=") - 1; 2071 else if (! grub_memcmp ("--address=", arg, sizeof ("--address=") - 1)) 2072 ip = arg + sizeof ("--address=") - 1; 2073 else if (! grub_memcmp ("--gateway=", arg, sizeof ("--gateway=") - 1)) 2074 gw = arg + sizeof ("--gateway=") - 1; 2075 else if (! grub_memcmp ("--mask=", arg, sizeof("--mask=") - 1)) 2076 sm = arg + sizeof ("--mask=") - 1; 2077 else 2078 { 2079 errnum = ERR_BAD_ARGUMENT; 2080 return 1; 2081 } 2082 2083 arg = skip_to (0, arg); 2084 } 2085 2086 if (! ifconfig (ip, sm, gw, svr)) 2087 { 2088 errnum = ERR_BAD_ARGUMENT; 2089 return 1; 2090 } 2091 2092 print_network_configuration (); 2093 return 0; 2094 } 2095 2096 static struct builtin builtin_ifconfig = 2097 { 2098 "ifconfig", 2099 ifconfig_func, 2100 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 2101 "ifconfig [--address=IP] [--gateway=IP] [--mask=MASK] [--server=IP]", 2102 "Configure the IP address, the netmask, the gateway and the server" 2103 " address or print current network configuration." 2104 }; 2105 #endif /* SUPPORT_NETBOOT */ 2106 2107 2108 /* impsprobe */ 2109 static int 2110 impsprobe_func (char *arg, int flags) 2111 { 2112 #ifdef GRUB_UTIL 2113 /* In the grub shell, we cannot probe IMPS. */ 2114 errnum = ERR_UNRECOGNIZED; 2115 return 1; 2116 #else /* ! GRUB_UTIL */ 2117 if (!imps_probe ()) 2118 printf (" No MPS information found or probe failed\n"); 2119 2120 return 0; 2121 #endif /* ! GRUB_UTIL */ 2122 } 2123 2124 static struct builtin builtin_impsprobe = 2125 { 2126 "impsprobe", 2127 impsprobe_func, 2128 BUILTIN_CMDLINE, 2129 "impsprobe", 2130 "Probe the Intel Multiprocessor Specification 1.1 or 1.4" 2131 " configuration table and boot the various CPUs which are found into" 2132 " a tight loop." 2133 }; 2134 2135 /* extended info */ 2136 static int 2137 info_func (char *arg, int flags) 2138 { 2139 int i; 2140 2141 grub_printf("Extended version information : %s\n", pkg_version); 2142 grub_printf("stage2 (MD5) signature : "); 2143 2144 for (i = 0; i < 0x10; i++) 2145 grub_printf("%x", md5hash[i]); 2146 2147 grub_printf("\n"); 2148 } 2149 2150 static struct builtin builtin_info = 2151 { 2152 "info", 2153 info_func, 2154 BUILTIN_CMDLINE | BUILTIN_HELP_LIST | BUILTIN_SCRIPT, 2155 "info", 2156 "Read Grub extended version and stage2 MD5 hash" 2157 }; 2158 2159 2160 2161 /* initrd */ 2162 static int 2163 initrd_func (char *arg, int flags) 2164 { 2165 switch (kernel_type) 2166 { 2167 case KERNEL_TYPE_LINUX: 2168 case KERNEL_TYPE_BIG_LINUX: 2169 if (! load_initrd (arg)) 2170 return 1; 2171 break; 2172 2173 default: 2174 errnum = ERR_NEED_LX_KERNEL; 2175 return 1; 2176 } 2177 2178 return 0; 2179 } 2180 2181 static struct builtin builtin_initrd = 2182 { 2183 "initrd", 2184 initrd_func, 2185 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2186 "initrd FILE [ARG ...]", 2187 "Load an initial ramdisk FILE for a Linux format boot image and set the" 2188 " appropriate parameters in the Linux setup area in memory." 2189 }; 2190 2191 2192 /* install */ 2193 static int 2194 install_func (char *arg, int flags) 2195 { 2196 char *stage1_file, *dest_dev, *file, *addr; 2197 char *stage1_buffer = (char *) RAW_ADDR (0x100000); 2198 char *stage2_buffer = stage1_buffer + SECTOR_SIZE; 2199 char *old_sect = stage2_buffer + SECTOR_SIZE; 2200 char *stage2_first_buffer = old_sect + SECTOR_SIZE; 2201 char *stage2_second_buffer = stage2_first_buffer + SECTOR_SIZE; 2202 /* XXX: Probably SECTOR_SIZE is reasonable. */ 2203 char *config_filename = stage2_second_buffer + SECTOR_SIZE; 2204 char *dummy = config_filename + SECTOR_SIZE; 2205 int new_drive = GRUB_INVALID_DRIVE; 2206 int dest_drive, dest_partition; 2207 unsigned int dest_sector; 2208 int src_drive, src_partition, src_part_start; 2209 int i; 2210 struct geometry dest_geom, src_geom; 2211 unsigned int saved_sector; 2212 unsigned int stage2_first_sector, stage2_second_sector; 2213 char *ptr; 2214 int installaddr, installlist; 2215 /* Point to the location of the name of a configuration file in Stage 2. */ 2216 char *config_file_location; 2217 /* If FILE is a Stage 1.5? */ 2218 int is_stage1_5 = 0; 2219 /* Must call grub_close? */ 2220 int is_open = 0; 2221 /* If LBA is forced? */ 2222 int is_force_lba = 0; 2223 /* Was the last sector full? */ 2224 int last_length = SECTOR_SIZE; 2225 2226 #ifdef GRUB_UTIL 2227 /* If the Stage 2 is in a partition mounted by an OS, this will store 2228 the filename under the OS. */ 2229 char *stage2_os_file = 0; 2230 #endif /* GRUB_UTIL */ 2231 2232 auto void disk_read_savesect_func (unsigned int sector, int offset, 2233 int length); 2234 auto void disk_read_blocklist_func (unsigned int sector, int offset, 2235 int length); 2236 2237 /* Save the first sector of Stage2 in STAGE2_SECT. */ 2238 auto void disk_read_savesect_func (unsigned int sector, int offset, 2239 int length) 2240 { 2241 if (debug) 2242 printf ("[%u]", sector); 2243 2244 /* ReiserFS has files which sometimes contain data not aligned 2245 on sector boundaries. Returning an error is better than 2246 silently failing. */ 2247 if (offset != 0 || length != SECTOR_SIZE) 2248 errnum = ERR_UNALIGNED; 2249 2250 saved_sector = sector; 2251 } 2252 2253 /* Write SECTOR to INSTALLLIST, and update INSTALLADDR and 2254 INSTALLSECT. */ 2255 auto void disk_read_blocklist_func (unsigned int sector, int offset, 2256 int length) 2257 { 2258 if (debug) 2259 printf("[%u]", sector); 2260 2261 if (offset != 0 || last_length != SECTOR_SIZE) 2262 { 2263 /* We found a non-sector-aligned data block. */ 2264 errnum = ERR_UNALIGNED; 2265 return; 2266 } 2267 2268 last_length = length; 2269 2270 if (*((unsigned long *) (installlist - 4)) 2271 + *((unsigned short *) installlist) != sector 2272 || installlist == (int) stage2_first_buffer + SECTOR_SIZE + 4) 2273 { 2274 installlist -= 8; 2275 2276 if (*((unsigned long *) (installlist - 8))) 2277 errnum = ERR_WONT_FIT; 2278 else 2279 { 2280 *((unsigned short *) (installlist + 2)) = (installaddr >> 4); 2281 *((unsigned long *) (installlist - 4)) = sector; 2282 } 2283 } 2284 2285 *((unsigned short *) installlist) += 1; 2286 installaddr += 512; 2287 } 2288 2289 /* First, check the GNU-style long option. */ 2290 while (1) 2291 { 2292 if (grub_memcmp ("--force-lba", arg, sizeof ("--force-lba") - 1) == 0) 2293 { 2294 is_force_lba = 1; 2295 arg = skip_to (0, arg); 2296 } 2297 #ifdef GRUB_UTIL 2298 else if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0) 2299 { 2300 stage2_os_file = arg + sizeof ("--stage2=") - 1; 2301 arg = skip_to (0, arg); 2302 nul_terminate (stage2_os_file); 2303 } 2304 #endif /* GRUB_UTIL */ 2305 else 2306 break; 2307 } 2308 2309 stage1_file = arg; 2310 dest_dev = skip_to (0, stage1_file); 2311 if (*dest_dev == 'd') 2312 { 2313 new_drive = 0; 2314 dest_dev = skip_to (0, dest_dev); 2315 } 2316 file = skip_to (0, dest_dev); 2317 addr = skip_to (0, file); 2318 2319 /* Get the installation address. */ 2320 if (! safe_parse_maxint (&addr, &installaddr)) 2321 { 2322 /* ADDR is not specified. */ 2323 installaddr = 0; 2324 ptr = addr; 2325 errnum = 0; 2326 } 2327 else 2328 ptr = skip_to (0, addr); 2329 2330 #ifndef NO_DECOMPRESSION 2331 /* Do not decompress Stage 1 or Stage 2. */ 2332 no_decompression = 1; 2333 #endif 2334 2335 /* Read Stage 1. */ 2336 is_open = grub_open (stage1_file); 2337 if (! is_open 2338 || ! grub_read (stage1_buffer, SECTOR_SIZE) == SECTOR_SIZE) 2339 goto fail; 2340 2341 /* Read the old sector from DEST_DEV. */ 2342 if (! set_device (dest_dev) 2343 || ! open_partition () 2344 || ! devread (0, 0, SECTOR_SIZE, old_sect)) 2345 goto fail; 2346 2347 /* Store the information for the destination device. */ 2348 dest_drive = current_drive; 2349 dest_partition = current_partition; 2350 dest_geom = buf_geom; 2351 dest_sector = part_start; 2352 2353 /* Copy the possible DOS BPB, 59 bytes at byte offset 3. */ 2354 grub_memmove (stage1_buffer + BOOTSEC_BPB_OFFSET, 2355 old_sect + BOOTSEC_BPB_OFFSET, 2356 BOOTSEC_BPB_LENGTH); 2357 2358 /* If for a hard disk, copy the possible MBR/extended part table. */ 2359 if (dest_drive & 0x80) 2360 grub_memmove (stage1_buffer + STAGE1_WINDOWS_NT_MAGIC, 2361 old_sect + STAGE1_WINDOWS_NT_MAGIC, 2362 STAGE1_PARTEND - STAGE1_WINDOWS_NT_MAGIC); 2363 2364 /* Check for the version and the signature of Stage 1. */ 2365 if (*((short *)(stage1_buffer + STAGE1_VER_MAJ_OFFS)) != COMPAT_VERSION 2366 || (*((unsigned short *) (stage1_buffer + BOOTSEC_SIG_OFFSET)) 2367 != BOOTSEC_SIGNATURE)) 2368 { 2369 errnum = ERR_BAD_VERSION; 2370 goto fail; 2371 } 2372 2373 /* This below is not true any longer. But should we leave this alone? */ 2374 2375 /* If DEST_DRIVE is a floppy, Stage 2 must have the iteration probe 2376 routine. */ 2377 if (! (dest_drive & 0x80) 2378 && (*((unsigned char *) (stage1_buffer + BOOTSEC_PART_OFFSET)) == 0x80 2379 || stage1_buffer[BOOTSEC_PART_OFFSET] == 0)) 2380 { 2381 errnum = ERR_BAD_VERSION; 2382 goto fail; 2383 } 2384 2385 grub_close (); 2386 2387 /* Open Stage 2. */ 2388 is_open = grub_open (file); 2389 if (! is_open) 2390 goto fail; 2391 2392 src_drive = current_drive; 2393 src_partition = current_partition; 2394 src_part_start = part_start; 2395 src_geom = buf_geom; 2396 2397 if (! new_drive) 2398 new_drive = src_drive; 2399 else if (src_drive != dest_drive) 2400 grub_printf ("Warning: the option `d' was not used, but the Stage 1 will" 2401 " be installed on a\ndifferent drive than the drive where" 2402 " the Stage 2 resides.\n"); 2403 2404 /* Set the boot drive. */ 2405 *((unsigned char *) (stage1_buffer + STAGE1_BOOT_DRIVE)) = new_drive; 2406 2407 /* Set the "force LBA" flag. */ 2408 *((unsigned char *) (stage1_buffer + STAGE1_FORCE_LBA)) = is_force_lba; 2409 2410 /* If DEST_DRIVE is a hard disk, enable the workaround, which is 2411 for buggy BIOSes which don't pass boot drive correctly. Instead, 2412 they pass 0x00 or 0x01 even when booted from 0x80. */ 2413 if (dest_drive & BIOS_FLAG_FIXED_DISK) 2414 /* Replace the jmp (2 bytes) with double nop's. */ 2415 *((unsigned short *) (stage1_buffer + STAGE1_BOOT_DRIVE_CHECK)) 2416 = 0x9090; 2417 2418 /* Read the first sector of Stage 2. */ 2419 disk_read_hook = disk_read_savesect_func; 2420 if (grub_read (stage2_first_buffer, SECTOR_SIZE) != SECTOR_SIZE) 2421 goto fail; 2422 2423 stage2_first_sector = saved_sector; 2424 2425 /* Read the second sector of Stage 2. */ 2426 if (grub_read (stage2_second_buffer, SECTOR_SIZE) != SECTOR_SIZE) 2427 goto fail; 2428 2429 stage2_second_sector = saved_sector; 2430 2431 /* Check for the version of Stage 2. */ 2432 if (*((short *) (stage2_second_buffer + STAGE2_VER_MAJ_OFFS)) 2433 != COMPAT_VERSION) 2434 { 2435 errnum = ERR_BAD_VERSION; 2436 goto fail; 2437 } 2438 2439 /* Check for the Stage 2 id. */ 2440 if (stage2_second_buffer[STAGE2_STAGE2_ID] != STAGE2_ID_STAGE2) 2441 is_stage1_5 = 1; 2442 2443 /* If INSTALLADDR is not specified explicitly in the command-line, 2444 determine it by the Stage 2 id. */ 2445 if (! installaddr) 2446 { 2447 if (! is_stage1_5) 2448 /* Stage 2. */ 2449 installaddr = 0x8000; 2450 else 2451 /* Stage 1.5. */ 2452 installaddr = 0x2000; 2453 } 2454 2455 *((unsigned long *) (stage1_buffer + STAGE1_STAGE2_SECTOR)) 2456 = stage2_first_sector; 2457 *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_ADDRESS)) 2458 = installaddr; 2459 *((unsigned short *) (stage1_buffer + STAGE1_STAGE2_SEGMENT)) 2460 = installaddr >> 4; 2461 2462 i = (int) stage2_first_buffer + SECTOR_SIZE - 4; 2463 while (*((unsigned long *) i)) 2464 { 2465 if (i < (int) stage2_first_buffer 2466 || (*((int *) (i - 4)) & 0x80000000) 2467 || *((unsigned short *) i) >= 0xA00 2468 || *((short *) (i + 2)) == 0) 2469 { 2470 errnum = ERR_BAD_VERSION; 2471 goto fail; 2472 } 2473 2474 *((int *) i) = 0; 2475 *((int *) (i - 4)) = 0; 2476 i -= 8; 2477 } 2478 2479 installlist = (int) stage2_first_buffer + SECTOR_SIZE + 4; 2480 installaddr += SECTOR_SIZE; 2481 2482 /* Read the whole of Stage2 except for the first sector. */ 2483 grub_seek (SECTOR_SIZE); 2484 2485 disk_read_hook = disk_read_blocklist_func; 2486 if (! grub_read (dummy, -1)) 2487 goto fail; 2488 2489 disk_read_hook = 0; 2490 2491 /* Find a string for the configuration filename. */ 2492 config_file_location = stage2_second_buffer + STAGE2_VER_STR_OFFS; 2493 while (*(config_file_location++)) 2494 ; 2495 2496 /* Set the "force LBA" flag for Stage2. */ 2497 *((unsigned char *) (stage2_second_buffer + STAGE2_FORCE_LBA)) 2498 = is_force_lba; 2499 2500 if (*ptr == 'p') 2501 { 2502 *((long *) (stage2_second_buffer + STAGE2_INSTALLPART)) 2503 = src_partition; 2504 if (is_stage1_5) 2505 { 2506 /* Reset the device information in FILE if it is a Stage 1.5. */ 2507 unsigned long device = 0xFFFFFFFF; 2508 2509 grub_memmove (config_file_location, (char *) &device, 2510 sizeof (device)); 2511 } 2512 2513 ptr = skip_to (0, ptr); 2514 } 2515 2516 if (*ptr) 2517 { 2518 grub_strcpy (config_filename, ptr); 2519 nul_terminate (config_filename); 2520 2521 if (! is_stage1_5) 2522 /* If it is a Stage 2, just copy PTR to CONFIG_FILE_LOCATION. */ 2523 grub_strcpy (config_file_location, ptr); 2524 else 2525 { 2526 char *real_config; 2527 unsigned long device; 2528 2529 /* Translate the external device syntax to the internal device 2530 syntax. */ 2531 if (! (real_config = set_device (ptr))) 2532 { 2533 /* The Stage 2 PTR does not contain the device name, so 2534 use the root device instead. */ 2535 errnum = ERR_NONE; 2536 current_drive = saved_drive; 2537 current_partition = saved_partition; 2538 real_config = ptr; 2539 } 2540 2541 if (current_drive == src_drive) 2542 { 2543 /* If the drive where the Stage 2 resides is the same as 2544 the one where the Stage 1.5 resides, do not embed the 2545 drive number. */ 2546 current_drive = GRUB_INVALID_DRIVE; 2547 } 2548 2549 device = (current_drive << 24) | current_partition; 2550 grub_memmove (config_file_location, (char *) &device, 2551 sizeof (device)); 2552 grub_strcpy (config_file_location + sizeof (device), 2553 real_config); 2554 } 2555 2556 /* If a Stage 1.5 is used, then we need to modify the Stage2. */ 2557 if (is_stage1_5) 2558 { 2559 char *real_config_filename = skip_to (0, ptr); 2560 2561 is_open = grub_open (config_filename); 2562 if (! is_open) 2563 goto fail; 2564 2565 /* Skip the first sector. */ 2566 grub_seek (SECTOR_SIZE); 2567 2568 disk_read_hook = disk_read_savesect_func; 2569 if (grub_read (stage2_buffer, SECTOR_SIZE) != SECTOR_SIZE) 2570 goto fail; 2571 2572 disk_read_hook = 0; 2573 grub_close (); 2574 is_open = 0; 2575 2576 /* Sanity check. */ 2577 if (*(stage2_buffer + STAGE2_STAGE2_ID) != STAGE2_ID_STAGE2) 2578 { 2579 errnum = ERR_BAD_VERSION; 2580 goto fail; 2581 } 2582 2583 /* Set the "force LBA" flag for Stage2. */ 2584 *(stage2_buffer + STAGE2_FORCE_LBA) = is_force_lba; 2585 2586 /* If REAL_CONFIG_FILENAME is specified, copy it to the Stage2. */ 2587 if (*real_config_filename) 2588 { 2589 /* Specified */ 2590 char *location; 2591 2592 /* Find a string for the configuration filename. */ 2593 location = stage2_buffer + STAGE2_VER_STR_OFFS; 2594 while (*(location++)) 2595 ; 2596 2597 /* Copy the name. */ 2598 grub_strcpy (location, real_config_filename); 2599 } 2600 2601 /* Write it to the disk. */ 2602 buf_track = BUF_CACHE_INVALID; 2603 2604 #ifdef GRUB_UTIL 2605 /* In the grub shell, access the Stage 2 via the OS filesystem 2606 service, if possible. */ 2607 if (stage2_os_file) 2608 { 2609 FILE *fp; 2610 2611 fp = fopen (stage2_os_file, "r+"); 2612 if (! fp) 2613 { 2614 errnum = ERR_FILE_NOT_FOUND; 2615 goto fail; 2616 } 2617 2618 if (fseek (fp, SECTOR_SIZE, SEEK_SET) != 0) 2619 { 2620 fclose (fp); 2621 errnum = ERR_BAD_VERSION; 2622 goto fail; 2623 } 2624 2625 if (fwrite (stage2_buffer, 1, SECTOR_SIZE, fp) 2626 != SECTOR_SIZE) 2627 { 2628 fclose (fp); 2629 errnum = ERR_WRITE; 2630 goto fail; 2631 } 2632 2633 fclose (fp); 2634 } 2635 else 2636 #endif /* GRUB_UTIL */ 2637 { 2638 if (! devwrite (saved_sector - part_start, 1, stage2_buffer)) 2639 goto fail; 2640 } 2641 } 2642 } 2643 2644 /* Clear the cache. */ 2645 buf_track = BUF_CACHE_INVALID; 2646 2647 /* Write the modified sectors of Stage2 to the disk. */ 2648 #ifdef GRUB_UTIL 2649 if (! is_stage1_5 && stage2_os_file) 2650 { 2651 FILE *fp; 2652 2653 fp = fopen (stage2_os_file, "r+"); 2654 if (! fp) 2655 { 2656 errnum = ERR_FILE_NOT_FOUND; 2657 goto fail; 2658 } 2659 2660 if (fwrite (stage2_first_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE) 2661 { 2662 fclose (fp); 2663 errnum = ERR_WRITE; 2664 goto fail; 2665 } 2666 2667 if (fwrite (stage2_second_buffer, 1, SECTOR_SIZE, fp) != SECTOR_SIZE) 2668 { 2669 fclose (fp); 2670 errnum = ERR_WRITE; 2671 goto fail; 2672 } 2673 2674 fclose (fp); 2675 } 2676 else 2677 #endif /* GRUB_UTIL */ 2678 { 2679 /* The first. */ 2680 current_drive = src_drive; 2681 current_partition = src_partition; 2682 2683 if (! open_partition ()) 2684 goto fail; 2685 2686 if (! devwrite (stage2_first_sector - src_part_start, 1, 2687 stage2_first_buffer)) 2688 goto fail; 2689 2690 if (! devwrite (stage2_second_sector - src_part_start, 1, 2691 stage2_second_buffer)) 2692 goto fail; 2693 } 2694 2695 /* Write the modified sector of Stage 1 to the disk. */ 2696 current_drive = dest_drive; 2697 current_partition = dest_partition; 2698 if (! open_partition ()) 2699 goto fail; 2700 2701 devwrite (0, 1, stage1_buffer); 2702 2703 fail: 2704 if (is_open) 2705 grub_close (); 2706 2707 disk_read_hook = 0; 2708 2709 #ifndef NO_DECOMPRESSION 2710 no_decompression = 0; 2711 #endif 2712 2713 return errnum; 2714 } 2715 2716 static struct builtin builtin_install = 2717 { 2718 "install", 2719 install_func, 2720 BUILTIN_CMDLINE, 2721 "install [--stage2=STAGE2_FILE] [--force-lba] STAGE1 [d] DEVICE STAGE2 [ADDR] [p] [CONFIG_FILE] [REAL_CONFIG_FILE]", 2722 "Install STAGE1 on DEVICE, and install a blocklist for loading STAGE2" 2723 " as a Stage 2. If the option `d' is present, the Stage 1 will always" 2724 " look for the disk where STAGE2 was installed, rather than using" 2725 " the booting drive. The Stage 2 will be loaded at address ADDR, which" 2726 " will be determined automatically if you don't specify it. If" 2727 " the option `p' or CONFIG_FILE is present, then the first block" 2728 " of Stage 2 is patched with new values of the partition and name" 2729 " of the configuration file used by the true Stage 2 (for a Stage 1.5," 2730 " this is the name of the true Stage 2) at boot time. If STAGE2 is a Stage" 2731 " 1.5 and REAL_CONFIG_FILE is present, then the Stage 2 CONFIG_FILE is" 2732 " patched with the configuration filename REAL_CONFIG_FILE." 2733 " If the option `--force-lba' is specified, disable some sanity checks" 2734 " for LBA mode. If the option `--stage2' is specified, rewrite the Stage" 2735 " 2 via your OS's filesystem instead of the raw device." 2736 }; 2737 2738 2739 /* ioprobe */ 2740 static int 2741 ioprobe_func (char *arg, int flags) 2742 { 2743 #ifdef GRUB_UTIL 2744 2745 errnum = ERR_UNRECOGNIZED; 2746 return 1; 2747 2748 #else /* ! GRUB_UTIL */ 2749 2750 unsigned short *port; 2751 2752 /* Get the drive number. */ 2753 set_device (arg); 2754 if (errnum) 2755 return 1; 2756 2757 /* Clean out IO_MAP. */ 2758 grub_memset ((char *) io_map, 0, IO_MAP_SIZE * sizeof (unsigned short)); 2759 2760 /* Track the int13 handler. */ 2761 track_int13 (current_drive); 2762 2763 /* Print out the result. */ 2764 for (port = io_map; *port != 0; port++) 2765 grub_printf (" 0x%x", (unsigned int) *port); 2766 2767 return 0; 2768 2769 #endif /* ! GRUB_UTIL */ 2770 } 2771 2772 static struct builtin builtin_ioprobe = 2773 { 2774 "ioprobe", 2775 ioprobe_func, 2776 BUILTIN_CMDLINE, 2777 "ioprobe DRIVE", 2778 "Probe I/O ports used for the drive DRIVE." 2779 }; 2780 2781 2782 /* 2783 * To boot from a ZFS root filesystem, the kernel$ or module$ commands 2784 * must include "-B $ZFS-BOOTFS" to expand to the zfs-bootfs, bootpath, 2785 * and diskdevid boot property values for passing to the kernel: 2786 * 2787 * e.g. 2788 * kernel$ /platform/i86pc/kernel/$ISADIR/unix -B $ZFS-BOOTFS,console=ttya 2789 * 2790 * $ZFS-BOOTFS is expanded to 2791 * 2792 * zfs-bootfs=<rootpool-name/zfs-rootfilesystem-object-num>, 2793 * bootpath=<device phys path>, 2794 * diskdevid=<device id> 2795 * 2796 * if both bootpath and diskdevid can be found. 2797 * e.g 2798 * zfs-bootfs=rpool/85, 2799 * bootpath="/pci@0,0/pci1022,7450@a/pci17c2,10@4/sd@0,0:a", 2800 * diskdevid="id1,sd@SSEAGATE_ST336607LC______3JA0LNHE0000741326W6/a" 2801 */ 2802 static int 2803 expand_dollar_bootfs(char *in, char *out) 2804 { 2805 char *token, *tmpout = out; 2806 int outlen, blen; 2807 int postcomma = 0; 2808 2809 /* no op if this is not zfs */ 2810 if (is_zfs_mount == 0) 2811 return (0); 2812 2813 if (current_bootpath[0] == '\0' && current_devid[0] == '\0') { 2814 errnum = ERR_NO_BOOTPATH; 2815 return (1); 2816 } 2817 2818 outlen = strlen(in); 2819 blen = current_bootfs_obj == 0 ? strlen(current_rootpool) : 2820 strlen(current_rootpool) + 11; 2821 2822 out[0] = '\0'; 2823 while (token = strstr(in, "$ZFS-BOOTFS")) { 2824 2825 if ((outlen += blen) >= MAX_CMDLINE) { 2826 errnum = ERR_WONT_FIT; 2827 return (1); 2828 } 2829 2830 token[0] = '\0'; 2831 grub_sprintf(tmpout, "%s", in); 2832 token[0] = '$'; 2833 in = token + 11; /* skip over $ZFS-BOOTFS */ 2834 tmpout = out + strlen(out); 2835 2836 /* Note: %u only fits 32 bit integer; */ 2837 if (current_bootfs_obj > 0) 2838 grub_sprintf(tmpout, "zfs-bootfs=%s/%u", 2839 current_rootpool, current_bootfs_obj); 2840 else 2841 grub_sprintf(tmpout, "zfs-bootfs=%s", 2842 current_rootpool); 2843 tmpout = out + strlen(out); 2844 } 2845 2846 /* 2847 * Check to see if 'zfs-bootfs' was explicitly specified on the command 2848 * line so that we can insert the 'bootpath' property. 2849 */ 2850 if ((tmpout == out) && (token = strstr(in, "zfs-bootfs")) != NULL) { 2851 token[0] = '\0'; 2852 grub_strcpy(tmpout, in); 2853 token[0] = 'z'; 2854 in = token; 2855 2856 tmpout = out + strlen(out); 2857 postcomma = 1; 2858 } 2859 2860 /* 2861 * Set the 'bootpath' property if a ZFS dataset was specified, either 2862 * through '$ZFS-BOOTFS' or an explicit 'zfs-bootfs' setting. 2863 */ 2864 if (tmpout != out) { 2865 if (current_bootpath[0] != '\0') { 2866 if ((outlen += 12 + strlen(current_bootpath)) 2867 >= MAX_CMDLINE) { 2868 errnum = ERR_WONT_FIT; 2869 return (1); 2870 } 2871 grub_sprintf(tmpout, 2872 postcomma ? "bootpath=\"%s\"," : ",bootpath=\"%s\"", 2873 current_bootpath); 2874 tmpout = out + strlen(out); 2875 } 2876 2877 if (current_devid[0] != '\0') { 2878 if ((outlen += 13 + strlen(current_devid)) 2879 >= MAX_CMDLINE) { 2880 errnum = ERR_WONT_FIT; 2881 return (1); 2882 } 2883 grub_sprintf(tmpout, 2884 postcomma ? "diskdevid=\"%s\"," : ",diskdevid=\"%s\"", 2885 current_devid); 2886 } 2887 } 2888 2889 strncat(out, in, MAX_CMDLINE); 2890 return (0); 2891 } 2892 2893 /* kernel */ 2894 static int 2895 kernel_func (char *arg, int flags) 2896 { 2897 int len; 2898 kernel_t suggested_type = KERNEL_TYPE_NONE; 2899 unsigned long load_flags = 0; 2900 2901 #ifndef AUTO_LINUX_MEM_OPT 2902 load_flags |= KERNEL_LOAD_NO_MEM_OPTION; 2903 #endif 2904 2905 /* Deal with GNU-style long options. */ 2906 while (1) 2907 { 2908 /* If the option `--type=TYPE' is specified, convert the string to 2909 a kernel type. */ 2910 if (grub_memcmp (arg, "--type=", 7) == 0) 2911 { 2912 arg += 7; 2913 2914 if (grub_memcmp (arg, "netbsd", 6) == 0) 2915 suggested_type = KERNEL_TYPE_NETBSD; 2916 else if (grub_memcmp (arg, "freebsd", 7) == 0) 2917 suggested_type = KERNEL_TYPE_FREEBSD; 2918 else if (grub_memcmp (arg, "openbsd", 7) == 0) 2919 /* XXX: For now, OpenBSD is identical to NetBSD, from GRUB's 2920 point of view. */ 2921 suggested_type = KERNEL_TYPE_NETBSD; 2922 else if (grub_memcmp (arg, "linux", 5) == 0) 2923 suggested_type = KERNEL_TYPE_LINUX; 2924 else if (grub_memcmp (arg, "biglinux", 8) == 0) 2925 suggested_type = KERNEL_TYPE_BIG_LINUX; 2926 else if (grub_memcmp (arg, "multiboot", 9) == 0) 2927 suggested_type = KERNEL_TYPE_MULTIBOOT; 2928 else 2929 { 2930 errnum = ERR_BAD_ARGUMENT; 2931 return 1; 2932 } 2933 } 2934 /* If the `--no-mem-option' is specified, don't pass a Linux's mem 2935 option automatically. If the kernel is another type, this flag 2936 has no effect. */ 2937 else if (grub_memcmp (arg, "--no-mem-option", 15) == 0) 2938 load_flags |= KERNEL_LOAD_NO_MEM_OPTION; 2939 else 2940 break; 2941 2942 /* Try the next. */ 2943 arg = skip_to (0, arg); 2944 } 2945 2946 len = grub_strlen (arg); 2947 2948 /* Reset MB_CMDLINE. */ 2949 mb_cmdline = (char *) MB_CMDLINE_BUF; 2950 if (len + 1 > MB_CMDLINE_BUFLEN) 2951 { 2952 errnum = ERR_WONT_FIT; 2953 return 1; 2954 } 2955 2956 /* Copy the command-line to MB_CMDLINE. */ 2957 grub_memmove (mb_cmdline, arg, len + 1); 2958 kernel_type = load_image (arg, mb_cmdline, suggested_type, load_flags); 2959 if (kernel_type == KERNEL_TYPE_NONE) 2960 return 1; 2961 2962 mb_cmdline += grub_strlen(mb_cmdline) + 1; 2963 return 0; 2964 } 2965 2966 static struct builtin builtin_kernel = 2967 { 2968 "kernel", 2969 kernel_func, 2970 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 2971 "kernel [--no-mem-option] [--type=TYPE] FILE [ARG ...]", 2972 "Attempt to load the primary boot image from FILE. The rest of the" 2973 " line is passed verbatim as the \"kernel command line\". Any modules" 2974 " must be reloaded after using this command. The option --type is used" 2975 " to suggest what type of kernel to be loaded. TYPE must be either of" 2976 " \"netbsd\", \"freebsd\", \"openbsd\", \"linux\", \"biglinux\" and" 2977 " \"multiboot\". The option --no-mem-option tells GRUB not to pass a" 2978 " Linux's mem option automatically." 2979 }; 2980 2981 int 2982 min_mem64_func(char *arg, int flags) 2983 { 2984 if (!safe_parse_maxint(&arg, &min_mem64)) 2985 return (1); 2986 } 2987 2988 static struct builtin builtin_min_mem64 = 2989 { 2990 "min_mem64", 2991 min_mem64_func, 2992 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_SCRIPT | BUILTIN_HELP_LIST, 2993 "min_mem64 <memory in MB>", 2994 "Sets minimum memory (in MB) required for $ISADIR to expand to amd64, " 2995 "even on 64-bit capable hardware." 2996 }; 2997 2998 int 2999 check_min_mem64() 3000 { 3001 if (min_mem64 == 0) 3002 return (1); 3003 3004 if ((mbi.mem_upper / 10240) * 11 >= min_mem64) 3005 return (1); 3006 3007 return (0); 3008 } 3009 3010 static int detect_target_operating_mode(); 3011 3012 int 3013 amd64_config_cpu(void) 3014 { 3015 struct amd64_cpuid_regs __vcr, *vcr = &__vcr; 3016 uint32_t maxeax; 3017 uint32_t max_maxeax = 0x100; 3018 char vendor[13]; 3019 int isamd64 = 0; 3020 uint32_t stdfeatures = 0, xtdfeatures = 0; 3021 uint64_t efer; 3022 3023 /* 3024 * This check may seem silly, but if the C preprocesor symbol __amd64 3025 * is #defined during compilation, something that may outwardly seem 3026 * like a good idea, uts/common/sys/isa_defs.h will #define _LP64, 3027 * which will cause uts/common/sys/int_types.h to typedef uint64_t as 3028 * an unsigned long - which is only 4 bytes in size when using a 32-bit 3029 * compiler. 3030 * 3031 * If that happens, all the page table translation routines will fail 3032 * horribly, so check the size of uint64_t just to insure some degree 3033 * of sanity in future operations. 3034 */ 3035 /*LINTED [sizeof result is invarient]*/ 3036 if (sizeof (uint64_t) != 8) 3037 prom_panic("grub compiled improperly, unable to boot " 3038 "64-bit AMD64 executables"); 3039 3040 /* 3041 * If the CPU doesn't support the CPUID instruction, it's definitely 3042 * not an AMD64. 3043 */ 3044 if (amd64_cpuid_supported() == 0) 3045 return (0); 3046 3047 amd64_cpuid_insn(0, vcr); 3048 3049 maxeax = vcr->r_eax; 3050 { 3051 /*LINTED [vendor string from cpuid data]*/ 3052 uint32_t *iptr = (uint32_t *)vendor; 3053 3054 *iptr++ = vcr->r_ebx; 3055 *iptr++ = vcr->r_edx; 3056 *iptr++ = vcr->r_ecx; 3057 3058 vendor[12] = '\0'; 3059 } 3060 3061 if (maxeax > max_maxeax) { 3062 grub_printf("cpu: warning, maxeax was 0x%x -> 0x%x\n", 3063 maxeax, max_maxeax); 3064 maxeax = max_maxeax; 3065 } 3066 3067 if (maxeax < 1) 3068 return (0); /* no additional functions, not an AMD64 */ 3069 else { 3070 uint_t family, model, step; 3071 3072 amd64_cpuid_insn(1, vcr); 3073 3074 /* 3075 * All AMD64/IA32e processors technically SHOULD report 3076 * themselves as being in family 0xf, but for some reason 3077 * Simics doesn't, and this may change in the future, so 3078 * don't error out if it's not true. 3079 */ 3080 if ((family = BITX(vcr->r_eax, 11, 8)) == 0xf) 3081 family += BITX(vcr->r_eax, 27, 20); 3082 3083 if ((model = BITX(vcr->r_eax, 7, 4)) == 0xf) 3084 model += BITX(vcr->r_eax, 19, 16) << 4; 3085 step = BITX(vcr->r_eax, 3, 0); 3086 3087 grub_printf("cpu: '%s' family %d model %d step %d\n", 3088 vendor, family, model, step); 3089 stdfeatures = vcr->r_edx; 3090 } 3091 3092 amd64_cpuid_insn(0x80000000, vcr); 3093 3094 if (vcr->r_eax & 0x80000000) { 3095 uint32_t xmaxeax = vcr->r_eax; 3096 const uint32_t max_xmaxeax = 0x80000100; 3097 3098 if (xmaxeax > max_xmaxeax) { 3099 grub_printf("amd64: warning, xmaxeax was " 3100 "0x%x -> 0x%x\n", xmaxeax, max_xmaxeax); 3101 xmaxeax = max_xmaxeax; 3102 } 3103 3104 if (xmaxeax >= 0x80000001) { 3105 amd64_cpuid_insn(0x80000001, vcr); 3106 xtdfeatures = vcr->r_edx; 3107 } 3108 } 3109 3110 if (BITX(xtdfeatures, 29, 29)) /* long mode */ 3111 isamd64++; 3112 else 3113 grub_printf("amd64: CPU does NOT support long mode\n"); 3114 3115 if (!BITX(stdfeatures, 0, 0)) { 3116 grub_printf("amd64: CPU does NOT support FPU\n"); 3117 isamd64--; 3118 } 3119 3120 if (!BITX(stdfeatures, 4, 4)) { 3121 grub_printf("amd64: CPU does NOT support TSC\n"); 3122 isamd64--; 3123 } 3124 3125 if (!BITX(stdfeatures, 5, 5)) { 3126 grub_printf("amd64: CPU does NOT support MSRs\n"); 3127 isamd64--; 3128 } 3129 3130 if (!BITX(stdfeatures, 6, 6)) { 3131 grub_printf("amd64: CPU does NOT support PAE\n"); 3132 isamd64--; 3133 } 3134 3135 if (!BITX(stdfeatures, 8, 8)) { 3136 grub_printf("amd64: CPU does NOT support CX8\n"); 3137 isamd64--; 3138 } 3139 3140 if (!BITX(stdfeatures, 13, 13)) { 3141 grub_printf("amd64: CPU does NOT support PGE\n"); 3142 isamd64--; 3143 } 3144 3145 if (!BITX(stdfeatures, 19, 19)) { 3146 grub_printf("amd64: CPU does NOT support CLFSH\n"); 3147 isamd64--; 3148 } 3149 3150 if (!BITX(stdfeatures, 23, 23)) { 3151 grub_printf("amd64: CPU does NOT support MMX\n"); 3152 isamd64--; 3153 } 3154 3155 if (!BITX(stdfeatures, 24, 24)) { 3156 grub_printf("amd64: CPU does NOT support FXSR\n"); 3157 isamd64--; 3158 } 3159 3160 if (!BITX(stdfeatures, 25, 25)) { 3161 grub_printf("amd64: CPU does NOT support SSE\n"); 3162 isamd64--; 3163 } 3164 3165 if (!BITX(stdfeatures, 26, 26)) { 3166 grub_printf("amd64: CPU does NOT support SSE2\n"); 3167 isamd64--; 3168 } 3169 3170 if (isamd64 < 1) { 3171 grub_printf("amd64: CPU does not support amd64 executables.\n"); 3172 return (0); 3173 } 3174 3175 amd64_rdmsr(MSR_AMD_EFER, &efer); 3176 if (efer & AMD_EFER_SCE) 3177 grub_printf("amd64: EFER_SCE (syscall/sysret) already " 3178 "enabled\n"); 3179 if (efer & AMD_EFER_NXE) 3180 grub_printf("amd64: EFER_NXE (no-exec prot) already enabled\n"); 3181 if (efer & AMD_EFER_LME) 3182 grub_printf("amd64: EFER_LME (long mode) already enabled\n"); 3183 3184 return (detect_target_operating_mode()); 3185 } 3186 3187 static int 3188 detect_target_operating_mode() 3189 { 3190 int ret, ah; 3191 3192 ah = get_target_operating_mode(); 3193 3194 ah = ah >> 8; 3195 3196 /* XXX still need to pass back the return from the call */ 3197 ret = 0; 3198 3199 if (ah == 0x86 && (ret & CB) != 0) { 3200 grub_printf("[BIOS 'Detect Target Operating Mode' " 3201 "callback unsupported on this platform]\n"); 3202 return (1); /* unsupported, ignore */ 3203 } 3204 3205 if (ah == 0x0 && (ret & CB) == 0) { 3206 grub_printf("[BIOS accepted mixed-mode target setting!]\n"); 3207 return (1); /* told the bios what we're up to */ 3208 } 3209 3210 if (ah == 0 && ret & CB) { 3211 grub_printf("fatal: BIOS reports this machine CANNOT run in " 3212 "mixed 32/64-bit mode!\n"); 3213 return (0); 3214 } 3215 3216 grub_printf("warning: BIOS Detect Target Operating Mode callback " 3217 "confused.\n %%ax >> 8 = 0x%x, carry = %d\n", ah, 3218 ret & CB ? 1 : 0); 3219 3220 return (1); 3221 } 3222 3223 3224 int 3225 isamd64() 3226 { 3227 static int ret = -1; 3228 3229 if (ret == -1) 3230 ret = amd64_config_cpu(); 3231 3232 return (ret); 3233 } 3234 3235 static void 3236 expand_arch (char *arg, char *newarg) 3237 { 3238 char *index; 3239 3240 newarg[0] = '\0'; 3241 3242 while ((index = strstr(arg, "$ISADIR")) != NULL) { 3243 3244 index[0] = '\0'; 3245 strncat(newarg, arg, MAX_CMDLINE); 3246 index[0] = '$'; 3247 3248 if (isamd64() && check_min_mem64()) 3249 strncat(newarg, "amd64", MAX_CMDLINE); 3250 3251 arg = index + 7; 3252 } 3253 3254 strncat(newarg, arg, MAX_CMDLINE); 3255 return; 3256 } 3257 3258 /* kernel$ */ 3259 static int 3260 kernel_dollar_func (char *arg, int flags) 3261 { 3262 char newarg[MAX_CMDLINE]; /* everything boils down to MAX_CMDLINE */ 3263 3264 grub_printf("loading '%s' ...\n", arg); 3265 expand_arch(arg, newarg); 3266 3267 if (kernel_func(newarg, flags)) 3268 return (1); 3269 3270 mb_cmdline = (char *)MB_CMDLINE_BUF; 3271 if (expand_dollar_bootfs(newarg, mb_cmdline)) { 3272 grub_printf("cannot expand $ZFS-BOOTFS for dataset %s\n", 3273 current_bootfs); 3274 return (1); 3275 } 3276 3277 grub_printf("'%s' is loaded\n", mb_cmdline); 3278 mb_cmdline += grub_strlen(mb_cmdline) + 1; 3279 3280 return (0); 3281 } 3282 3283 static struct builtin builtin_kernel_dollar = 3284 { 3285 "kernel$", 3286 kernel_dollar_func, 3287 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3288 "kernel$ [--no-mem-option] [--type=TYPE] FILE [ARG ...]", 3289 " Just like kernel, but with $ISADIR expansion." 3290 }; 3291 3292 3293 /* lock */ 3294 static int 3295 lock_func (char *arg, int flags) 3296 { 3297 if (! auth && password) 3298 { 3299 errnum = ERR_PRIVILEGED; 3300 return 1; 3301 } 3302 3303 return 0; 3304 } 3305 3306 static struct builtin builtin_lock = 3307 { 3308 "lock", 3309 lock_func, 3310 BUILTIN_CMDLINE, 3311 "lock", 3312 "Break a command execution unless the user is authenticated." 3313 }; 3314 3315 3316 /* makeactive */ 3317 static int 3318 makeactive_func (char *arg, int flags) 3319 { 3320 if (! make_saved_active ()) 3321 return 1; 3322 3323 return 0; 3324 } 3325 3326 static struct builtin builtin_makeactive = 3327 { 3328 "makeactive", 3329 makeactive_func, 3330 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3331 "makeactive", 3332 "Set the active partition on the root disk to GRUB's root device." 3333 " This command is limited to _primary_ PC partitions on a hard disk." 3334 }; 3335 3336 3337 /* map */ 3338 /* Map FROM_DRIVE to TO_DRIVE. */ 3339 static int 3340 map_func (char *arg, int flags) 3341 { 3342 char *to_drive; 3343 char *from_drive; 3344 unsigned long to, from; 3345 int i; 3346 3347 to_drive = arg; 3348 from_drive = skip_to (0, arg); 3349 3350 /* Get the drive number for TO_DRIVE. */ 3351 set_device (to_drive); 3352 if (errnum) 3353 return 1; 3354 to = current_drive; 3355 3356 /* Get the drive number for FROM_DRIVE. */ 3357 set_device (from_drive); 3358 if (errnum) 3359 return 1; 3360 from = current_drive; 3361 3362 /* Search for an empty slot in BIOS_DRIVE_MAP. */ 3363 for (i = 0; i < DRIVE_MAP_SIZE; i++) 3364 { 3365 /* Perhaps the user wants to override the map. */ 3366 if ((bios_drive_map[i] & 0xff) == from) 3367 break; 3368 3369 if (! bios_drive_map[i]) 3370 break; 3371 } 3372 3373 if (i == DRIVE_MAP_SIZE) 3374 { 3375 errnum = ERR_WONT_FIT; 3376 return 1; 3377 } 3378 3379 if (to == from) 3380 /* If TO is equal to FROM, delete the entry. */ 3381 grub_memmove ((char *) &bios_drive_map[i], (char *) &bios_drive_map[i + 1], 3382 sizeof (unsigned short) * (DRIVE_MAP_SIZE - i)); 3383 else 3384 bios_drive_map[i] = from | (to << 8); 3385 3386 return 0; 3387 } 3388 3389 static struct builtin builtin_map = 3390 { 3391 "map", 3392 map_func, 3393 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3394 "map TO_DRIVE FROM_DRIVE", 3395 "Map the drive FROM_DRIVE to the drive TO_DRIVE. This is necessary" 3396 " when you chain-load some operating systems, such as DOS, if such an" 3397 " OS resides at a non-first drive." 3398 }; 3399 3400 3401 #ifdef USE_MD5_PASSWORDS 3402 /* md5crypt */ 3403 static int 3404 md5crypt_func (char *arg, int flags) 3405 { 3406 char crypted[36]; 3407 char key[32]; 3408 unsigned int seed; 3409 int i; 3410 const char *const seedchars = 3411 "./0123456789ABCDEFGHIJKLMNOPQRST" 3412 "UVWXYZabcdefghijklmnopqrstuvwxyz"; 3413 3414 /* First create a salt. */ 3415 3416 /* The magical prefix. */ 3417 grub_memset (crypted, 0, sizeof (crypted)); 3418 grub_memmove (crypted, "$1$", 3); 3419 3420 /* Create the length of a salt. */ 3421 seed = currticks (); 3422 3423 /* Generate a salt. */ 3424 for (i = 0; i < 8 && seed; i++) 3425 { 3426 /* FIXME: This should be more random. */ 3427 crypted[3 + i] = seedchars[seed & 0x3f]; 3428 seed >>= 6; 3429 } 3430 3431 /* A salt must be terminated with `$', if it is less than 8 chars. */ 3432 crypted[3 + i] = '$'; 3433 3434 #ifdef DEBUG_MD5CRYPT 3435 grub_printf ("salt = %s\n", crypted); 3436 #endif 3437 3438 /* Get a password. */ 3439 grub_memset (key, 0, sizeof (key)); 3440 get_cmdline ("Password: ", key, sizeof (key) - 1, '*', 0); 3441 3442 /* Crypt the key. */ 3443 make_md5_password (key, crypted); 3444 3445 grub_printf ("Encrypted: %s\n", crypted); 3446 return 0; 3447 } 3448 3449 static struct builtin builtin_md5crypt = 3450 { 3451 "md5crypt", 3452 md5crypt_func, 3453 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3454 "md5crypt", 3455 "Generate a password in MD5 format." 3456 }; 3457 #endif /* USE_MD5_PASSWORDS */ 3458 3459 3460 /* module */ 3461 static int 3462 module_func (char *arg, int flags) 3463 { 3464 int len = grub_strlen (arg); 3465 3466 switch (kernel_type) 3467 { 3468 case KERNEL_TYPE_MULTIBOOT: 3469 if (mb_cmdline + len + 1 > (char *) MB_CMDLINE_BUF + MB_CMDLINE_BUFLEN) 3470 { 3471 errnum = ERR_WONT_FIT; 3472 return 1; 3473 } 3474 grub_memmove (mb_cmdline, arg, len + 1); 3475 if (! load_module (arg, mb_cmdline)) 3476 return 1; 3477 3478 mb_cmdline += grub_strlen(mb_cmdline) + 1; 3479 break; 3480 3481 case KERNEL_TYPE_LINUX: 3482 case KERNEL_TYPE_BIG_LINUX: 3483 if (! load_initrd (arg)) 3484 return 1; 3485 break; 3486 3487 default: 3488 errnum = ERR_NEED_MB_KERNEL; 3489 return 1; 3490 } 3491 3492 return 0; 3493 } 3494 3495 static struct builtin builtin_module = 3496 { 3497 "module", 3498 module_func, 3499 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3500 "module FILE [ARG ...]", 3501 "Load a boot module FILE for a Multiboot format boot image (no" 3502 " interpretation of the file contents is made, so users of this" 3503 " command must know what the kernel in question expects). The" 3504 " rest of the line is passed as the \"module command line\", like" 3505 " the `kernel' command." 3506 }; 3507 3508 /* module$ */ 3509 static int 3510 module_dollar_func (char *arg, int flags) 3511 { 3512 char newarg[MAX_CMDLINE]; /* everything boils down to MAX_CMDLINE */ 3513 char *cmdline_sav; 3514 3515 grub_printf("loading '%s' ...\n", arg); 3516 expand_arch(arg, newarg); 3517 3518 cmdline_sav = (char *)mb_cmdline; 3519 if (module_func(newarg, flags)) 3520 return (1); 3521 3522 if (expand_dollar_bootfs(newarg, cmdline_sav)) { 3523 grub_printf("cannot expand $ZFS-BOOTFS for dataset %s\n", 3524 current_bootfs); 3525 return (1); 3526 } 3527 3528 grub_printf("'%s' is loaded\n", (char *)cmdline_sav); 3529 mb_cmdline += grub_strlen(cmdline_sav) + 1; 3530 3531 return (0); 3532 } 3533 3534 static struct builtin builtin_module_dollar = 3535 { 3536 "module$", 3537 module_dollar_func, 3538 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3539 "module FILE [ARG ...]", 3540 " Just like module, but with $ISADIR expansion." 3541 }; 3542 3543 3544 /* modulenounzip */ 3545 static int 3546 modulenounzip_func (char *arg, int flags) 3547 { 3548 int ret; 3549 3550 #ifndef NO_DECOMPRESSION 3551 no_decompression = 1; 3552 #endif 3553 3554 ret = module_func (arg, flags); 3555 3556 #ifndef NO_DECOMPRESSION 3557 no_decompression = 0; 3558 #endif 3559 3560 return ret; 3561 } 3562 3563 static struct builtin builtin_modulenounzip = 3564 { 3565 "modulenounzip", 3566 modulenounzip_func, 3567 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3568 "modulenounzip FILE [ARG ...]", 3569 "The same as `module', except that automatic decompression is" 3570 " disabled." 3571 }; 3572 3573 3574 /* pager [on|off] */ 3575 static int 3576 pager_func (char *arg, int flags) 3577 { 3578 /* If ARG is empty, toggle the flag. */ 3579 if (! *arg) 3580 use_pager = ! use_pager; 3581 else if (grub_memcmp (arg, "on", 2) == 0) 3582 use_pager = 1; 3583 else if (grub_memcmp (arg, "off", 3) == 0) 3584 use_pager = 0; 3585 else 3586 { 3587 errnum = ERR_BAD_ARGUMENT; 3588 return 1; 3589 } 3590 3591 grub_printf (" Internal pager is now %s\n", use_pager ? "on" : "off"); 3592 return 0; 3593 } 3594 3595 static struct builtin builtin_pager = 3596 { 3597 "pager", 3598 pager_func, 3599 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3600 "pager [FLAG]", 3601 "Toggle pager mode with no argument. If FLAG is given and its value" 3602 " is `on', turn on the mode. If FLAG is `off', turn off the mode." 3603 }; 3604 3605 3606 /* partnew PART TYPE START LEN */ 3607 static int 3608 partnew_func (char *arg, int flags) 3609 { 3610 int new_type, new_start, new_len; 3611 int start_cl, start_ch, start_dh; 3612 int end_cl, end_ch, end_dh; 3613 int entry; 3614 char mbr[512]; 3615 3616 /* Convert a LBA address to a CHS address in the INT 13 format. */ 3617 auto void lba_to_chs (int lba, int *cl, int *ch, int *dh); 3618 void lba_to_chs (int lba, int *cl, int *ch, int *dh) 3619 { 3620 int cylinder, head, sector; 3621 3622 sector = lba % buf_geom.sectors + 1; 3623 head = (lba / buf_geom.sectors) % buf_geom.heads; 3624 cylinder = lba / (buf_geom.sectors * buf_geom.heads); 3625 3626 if (cylinder >= buf_geom.cylinders) 3627 cylinder = buf_geom.cylinders - 1; 3628 3629 *cl = sector | ((cylinder & 0x300) >> 2); 3630 *ch = cylinder & 0xFF; 3631 *dh = head; 3632 } 3633 3634 /* Get the drive and the partition. */ 3635 if (! set_device (arg)) 3636 return 1; 3637 3638 /* The drive must be a hard disk. */ 3639 if (! (current_drive & 0x80)) 3640 { 3641 errnum = ERR_BAD_ARGUMENT; 3642 return 1; 3643 } 3644 3645 /* The partition must a primary partition. */ 3646 if ((current_partition >> 16) > 3 3647 || (current_partition & 0xFFFF) != 0xFFFF) 3648 { 3649 errnum = ERR_BAD_ARGUMENT; 3650 return 1; 3651 } 3652 3653 entry = current_partition >> 16; 3654 3655 /* Get the new partition type. */ 3656 arg = skip_to (0, arg); 3657 if (! safe_parse_maxint (&arg, &new_type)) 3658 return 1; 3659 3660 /* The partition type is unsigned char. */ 3661 if (new_type > 0xFF) 3662 { 3663 errnum = ERR_BAD_ARGUMENT; 3664 return 1; 3665 } 3666 3667 /* Get the new partition start. */ 3668 arg = skip_to (0, arg); 3669 if (! safe_parse_maxint (&arg, &new_start)) 3670 return 1; 3671 3672 /* Get the new partition length. */ 3673 arg = skip_to (0, arg); 3674 if (! safe_parse_maxint (&arg, &new_len)) 3675 return 1; 3676 3677 /* Read the MBR. */ 3678 if (! rawread (current_drive, 0, 0, SECTOR_SIZE, mbr)) 3679 return 1; 3680 3681 /* Check if the new partition will fit in the disk. */ 3682 if (new_start + new_len > buf_geom.total_sectors) 3683 { 3684 errnum = ERR_GEOM; 3685 return 1; 3686 } 3687 3688 /* Store the partition information in the MBR. */ 3689 lba_to_chs (new_start, &start_cl, &start_ch, &start_dh); 3690 lba_to_chs (new_start + new_len - 1, &end_cl, &end_ch, &end_dh); 3691 3692 PC_SLICE_FLAG (mbr, entry) = 0; 3693 PC_SLICE_HEAD (mbr, entry) = start_dh; 3694 PC_SLICE_SEC (mbr, entry) = start_cl; 3695 PC_SLICE_CYL (mbr, entry) = start_ch; 3696 PC_SLICE_TYPE (mbr, entry) = new_type; 3697 PC_SLICE_EHEAD (mbr, entry) = end_dh; 3698 PC_SLICE_ESEC (mbr, entry) = end_cl; 3699 PC_SLICE_ECYL (mbr, entry) = end_ch; 3700 PC_SLICE_START (mbr, entry) = new_start; 3701 PC_SLICE_LENGTH (mbr, entry) = new_len; 3702 3703 /* Make sure that the MBR has a valid signature. */ 3704 PC_MBR_SIG (mbr) = PC_MBR_SIGNATURE; 3705 3706 /* Write back the MBR to the disk. */ 3707 buf_track = BUF_CACHE_INVALID; 3708 if (! rawwrite (current_drive, 0, mbr)) 3709 return 1; 3710 3711 return 0; 3712 } 3713 3714 static struct builtin builtin_partnew = 3715 { 3716 "partnew", 3717 partnew_func, 3718 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3719 "partnew PART TYPE START LEN", 3720 "Create a primary partition at the starting address START with the" 3721 " length LEN, with the type TYPE. START and LEN are in sector units." 3722 }; 3723 3724 3725 /* parttype PART TYPE */ 3726 static int 3727 parttype_func (char *arg, int flags) 3728 { 3729 int new_type; 3730 unsigned long part = 0xFFFFFF; 3731 unsigned long start, len, offset, ext_offset; 3732 int entry, type; 3733 char mbr[512]; 3734 3735 /* Get the drive and the partition. */ 3736 if (! set_device (arg)) 3737 return 1; 3738 3739 /* The drive must be a hard disk. */ 3740 if (! (current_drive & 0x80)) 3741 { 3742 errnum = ERR_BAD_ARGUMENT; 3743 return 1; 3744 } 3745 3746 /* The partition must be a PC slice. */ 3747 if ((current_partition >> 16) == 0xFF 3748 || (current_partition & 0xFFFF) != 0xFFFF) 3749 { 3750 errnum = ERR_BAD_ARGUMENT; 3751 return 1; 3752 } 3753 3754 /* Get the new partition type. */ 3755 arg = skip_to (0, arg); 3756 if (! safe_parse_maxint (&arg, &new_type)) 3757 return 1; 3758 3759 /* The partition type is unsigned char. */ 3760 if (new_type > 0xFF) 3761 { 3762 errnum = ERR_BAD_ARGUMENT; 3763 return 1; 3764 } 3765 3766 /* Look for the partition. */ 3767 while (next_partition (current_drive, 0xFFFFFF, &part, &type, 3768 &start, &len, &offset, &entry, 3769 &ext_offset, mbr)) 3770 { 3771 if (part == current_partition) 3772 { 3773 /* Found. */ 3774 3775 /* Set the type to NEW_TYPE. */ 3776 PC_SLICE_TYPE (mbr, entry) = new_type; 3777 3778 /* Write back the MBR to the disk. */ 3779 buf_track = BUF_CACHE_INVALID; 3780 if (! rawwrite (current_drive, offset, mbr)) 3781 return 1; 3782 3783 /* Succeed. */ 3784 return 0; 3785 } 3786 } 3787 3788 /* The partition was not found. ERRNUM was set by next_partition. */ 3789 return 1; 3790 } 3791 3792 static struct builtin builtin_parttype = 3793 { 3794 "parttype", 3795 parttype_func, 3796 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3797 "parttype PART TYPE", 3798 "Change the type of the partition PART to TYPE." 3799 }; 3800 3801 3802 /* password */ 3803 static int 3804 password_func (char *arg, int flags) 3805 { 3806 int len; 3807 password_t type = PASSWORD_PLAIN; 3808 3809 #ifdef USE_MD5_PASSWORDS 3810 if (grub_memcmp (arg, "--md5", 5) == 0) 3811 { 3812 type = PASSWORD_MD5; 3813 arg = skip_to (0, arg); 3814 } 3815 #endif 3816 if (grub_memcmp (arg, "--", 2) == 0) 3817 { 3818 type = PASSWORD_UNSUPPORTED; 3819 arg = skip_to (0, arg); 3820 } 3821 3822 if ((flags & (BUILTIN_CMDLINE | BUILTIN_SCRIPT)) != 0) 3823 { 3824 /* Do password check! */ 3825 char entered[32]; 3826 3827 /* Wipe out any previously entered password */ 3828 entered[0] = 0; 3829 get_cmdline ("Password: ", entered, 31, '*', 0); 3830 3831 nul_terminate (arg); 3832 if (check_password (entered, arg, type) != 0) 3833 { 3834 errnum = ERR_PRIVILEGED; 3835 return 1; 3836 } 3837 } 3838 else 3839 { 3840 len = grub_strlen (arg); 3841 3842 /* PASSWORD NUL NUL ... */ 3843 if (len + 2 > PASSWORD_BUFLEN) 3844 { 3845 errnum = ERR_WONT_FIT; 3846 return 1; 3847 } 3848 3849 /* Copy the password and clear the rest of the buffer. */ 3850 password = (char *) PASSWORD_BUF; 3851 grub_memmove (password, arg, len); 3852 grub_memset (password + len, 0, PASSWORD_BUFLEN - len); 3853 password_type = type; 3854 } 3855 return 0; 3856 } 3857 3858 static struct builtin builtin_password = 3859 { 3860 "password", 3861 password_func, 3862 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_NO_ECHO, 3863 "password [--md5] PASSWD [FILE]", 3864 "If used in the first section of a menu file, disable all" 3865 " interactive editing control (menu entry editor and" 3866 " command line). If the password PASSWD is entered, it loads the" 3867 " FILE as a new config file and restarts the GRUB Stage 2. If you" 3868 " omit the argument FILE, then GRUB just unlocks privileged" 3869 " instructions. You can also use it in the script section, in" 3870 " which case it will ask for the password, before continueing." 3871 " The option --md5 tells GRUB that PASSWD is encrypted with" 3872 " md5crypt." 3873 }; 3874 3875 3876 /* pause */ 3877 static int 3878 pause_func (char *arg, int flags) 3879 { 3880 printf("%s\n", arg); 3881 3882 /* If ESC is returned, then abort this entry. */ 3883 if (ASCII_CHAR (getkey ()) == 27) 3884 return 1; 3885 3886 return 0; 3887 } 3888 3889 static struct builtin builtin_pause = 3890 { 3891 "pause", 3892 pause_func, 3893 BUILTIN_CMDLINE | BUILTIN_NO_ECHO, 3894 "pause [MESSAGE ...]", 3895 "Print MESSAGE, then wait until a key is pressed." 3896 }; 3897 3898 3899 #ifdef GRUB_UTIL 3900 /* quit */ 3901 static int 3902 quit_func (char *arg, int flags) 3903 { 3904 stop (); 3905 3906 /* Never reach here. */ 3907 return 0; 3908 } 3909 3910 static struct builtin builtin_quit = 3911 { 3912 "quit", 3913 quit_func, 3914 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3915 "quit", 3916 "Exit from the GRUB shell." 3917 }; 3918 #endif /* GRUB_UTIL */ 3919 3920 3921 #ifdef SUPPORT_NETBOOT 3922 /* rarp */ 3923 static int 3924 rarp_func (char *arg, int flags) 3925 { 3926 if (! rarp ()) 3927 { 3928 if (errnum == ERR_NONE) 3929 errnum = ERR_DEV_VALUES; 3930 3931 return 1; 3932 } 3933 3934 /* Notify the configuration. */ 3935 print_network_configuration (); 3936 return 0; 3937 } 3938 3939 static struct builtin builtin_rarp = 3940 { 3941 "rarp", 3942 rarp_func, 3943 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 3944 "rarp", 3945 "Initialize a network device via RARP." 3946 }; 3947 #endif /* SUPPORT_NETBOOT */ 3948 3949 3950 static int 3951 read_func (char *arg, int flags) 3952 { 3953 int addr; 3954 3955 if (! safe_parse_maxint (&arg, &addr)) 3956 return 1; 3957 3958 grub_printf ("Address 0x%x: Value 0x%x\n", 3959 addr, *((unsigned *) RAW_ADDR (addr))); 3960 return 0; 3961 } 3962 3963 static struct builtin builtin_read = 3964 { 3965 "read", 3966 read_func, 3967 BUILTIN_CMDLINE, 3968 "read ADDR", 3969 "Read a 32-bit value from memory at address ADDR and" 3970 " display it in hex format." 3971 }; 3972 3973 3974 /* reboot */ 3975 static int 3976 reboot_func (char *arg, int flags) 3977 { 3978 grub_reboot (); 3979 3980 /* Never reach here. */ 3981 return 1; 3982 } 3983 3984 static struct builtin builtin_reboot = 3985 { 3986 "reboot", 3987 reboot_func, 3988 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 3989 "reboot", 3990 "Reboot your system." 3991 }; 3992 3993 3994 /* Print the root device information. */ 3995 static void 3996 print_root_device (void) 3997 { 3998 if (saved_drive == NETWORK_DRIVE) 3999 { 4000 /* Network drive. */ 4001 grub_printf (" (nd):"); 4002 } 4003 else if (saved_drive & 0x80) 4004 { 4005 /* Hard disk drive. */ 4006 grub_printf (" (hd%d", saved_drive - 0x80); 4007 4008 if ((saved_partition & 0xFF0000) != 0xFF0000) 4009 grub_printf (",%d", saved_partition >> 16); 4010 4011 if ((saved_partition & 0x00FF00) != 0x00FF00) 4012 grub_printf (",%c", ((saved_partition >> 8) & 0xFF) + 'a'); 4013 4014 grub_printf ("):"); 4015 } 4016 else 4017 { 4018 /* Floppy disk drive. */ 4019 grub_printf (" (fd%d):", saved_drive); 4020 } 4021 4022 /* Print the filesystem information. */ 4023 current_partition = saved_partition; 4024 current_drive = saved_drive; 4025 print_fsys_type (); 4026 } 4027 4028 static int 4029 real_root_func (char *arg, int attempt_mount) 4030 { 4031 int hdbias = 0; 4032 char *biasptr; 4033 char *next; 4034 4035 /* If ARG is empty, just print the current root device. */ 4036 if (! *arg) 4037 { 4038 print_root_device (); 4039 return 0; 4040 } 4041 4042 /* Call set_device to get the drive and the partition in ARG. */ 4043 next = set_device (arg); 4044 if (! next) 4045 return 1; 4046 4047 /* Ignore ERR_FSYS_MOUNT. */ 4048 if (attempt_mount) 4049 { 4050 if (! open_device () && errnum != ERR_FSYS_MOUNT) 4051 return 1; 4052 } 4053 else 4054 { 4055 /* This is necessary, because the location of a partition table 4056 must be set appropriately. */ 4057 if (open_partition ()) 4058 { 4059 set_bootdev (0); 4060 if (errnum) 4061 return 1; 4062 } 4063 } 4064 4065 /* Clear ERRNUM. */ 4066 errnum = 0; 4067 saved_partition = current_partition; 4068 saved_drive = current_drive; 4069 4070 if (attempt_mount) 4071 { 4072 /* BSD and chainloading evil hacks !! */ 4073 biasptr = skip_to (0, next); 4074 safe_parse_maxint (&biasptr, &hdbias); 4075 errnum = 0; 4076 bootdev = set_bootdev (hdbias); 4077 if (errnum) 4078 return 1; 4079 4080 /* Print the type of the filesystem. */ 4081 print_fsys_type (); 4082 } 4083 4084 return 0; 4085 } 4086 4087 static int 4088 root_func (char *arg, int flags) 4089 { 4090 is_zfs_mount = 0; 4091 return real_root_func (arg, 1); 4092 } 4093 4094 static struct builtin builtin_root = 4095 { 4096 "root", 4097 root_func, 4098 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4099 "root [DEVICE [HDBIAS]]", 4100 "Set the current \"root device\" to the device DEVICE, then" 4101 " attempt to mount it to get the partition size (for passing the" 4102 " partition descriptor in `ES:ESI', used by some chain-loaded" 4103 " bootloaders), the BSD drive-type (for booting BSD kernels using" 4104 " their native boot format), and correctly determine " 4105 " the PC partition where a BSD sub-partition is located. The" 4106 " optional HDBIAS parameter is a number to tell a BSD kernel" 4107 " how many BIOS drive numbers are on controllers before the current" 4108 " one. For example, if there is an IDE disk and a SCSI disk, and your" 4109 " FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS." 4110 }; 4111 4112 4113 /* findroot */ 4114 static int 4115 findroot_func (char *arg, int flags) 4116 { 4117 int ret; 4118 char root[32]; 4119 4120 if (grub_strlen(arg) >= BOOTSIGN_ARGLEN) { 4121 errnum = ERR_BAD_ARGUMENT; 4122 return 1; 4123 } 4124 4125 if (arg[0] == '\0') { 4126 errnum = ERR_BAD_ARGUMENT; 4127 return 1; 4128 } 4129 4130 if (grub_strchr(arg, '/')) { 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 if (set_bootfs(arg) == 0) { 4199 errnum = ERR_BAD_ARGUMENT; 4200 return 0; 4201 } 4202 4203 return (1); 4204 } 4205 4206 static struct builtin builtin_bootfs = 4207 { 4208 "bootfs", 4209 bootfs_func, 4210 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4211 "bootfs [ZFSBOOTFS]", 4212 "Set the current zfs boot filesystem to ZFSBOOTFS (rootpool/rootfs)." 4213 }; 4214 4215 4216 /* rootnoverify */ 4217 static int 4218 rootnoverify_func (char *arg, int flags) 4219 { 4220 return real_root_func (arg, 0); 4221 } 4222 4223 static struct builtin builtin_rootnoverify = 4224 { 4225 "rootnoverify", 4226 rootnoverify_func, 4227 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4228 "rootnoverify [DEVICE [HDBIAS]]", 4229 "Similar to `root', but don't attempt to mount the partition. This" 4230 " is useful for when an OS is outside of the area of the disk that" 4231 " GRUB can read, but setting the correct root device is still" 4232 " desired. Note that the items mentioned in `root' which" 4233 " derived from attempting the mount will NOT work correctly." 4234 }; 4235 4236 4237 /* savedefault */ 4238 static int 4239 savedefault_func (char *arg, int flags) 4240 { 4241 #if !defined(SUPPORT_DISKLESS) && !defined(GRUB_UTIL) 4242 unsigned long tmp_drive = saved_drive; 4243 unsigned long tmp_partition = saved_partition; 4244 char *default_file = (char *) DEFAULT_FILE_BUF; 4245 char buf[10]; 4246 char sect[SECTOR_SIZE]; 4247 int entryno; 4248 int sector_count = 0; 4249 unsigned int saved_sectors[2]; 4250 int saved_offsets[2]; 4251 int saved_lengths[2]; 4252 4253 /* not supported for zfs root */ 4254 if (is_zfs_mount == 1) { 4255 return (0); /* no-op */ 4256 } 4257 4258 /* Save sector information about at most two sectors. */ 4259 auto void disk_read_savesect_func (unsigned int sector, int offset, 4260 int length); 4261 void disk_read_savesect_func (unsigned int sector, int offset, int length) 4262 { 4263 if (sector_count < 2) 4264 { 4265 saved_sectors[sector_count] = sector; 4266 saved_offsets[sector_count] = offset; 4267 saved_lengths[sector_count] = length; 4268 } 4269 sector_count++; 4270 } 4271 4272 /* This command is only useful when you boot an entry from the menu 4273 interface. */ 4274 if (! (flags & BUILTIN_SCRIPT)) 4275 { 4276 errnum = ERR_UNRECOGNIZED; 4277 return 1; 4278 } 4279 4280 /* Determine a saved entry number. */ 4281 if (*arg) 4282 { 4283 if (grub_memcmp (arg, "fallback", sizeof ("fallback") - 1) == 0) 4284 { 4285 int i; 4286 int index = 0; 4287 4288 for (i = 0; i < MAX_FALLBACK_ENTRIES; i++) 4289 { 4290 if (fallback_entries[i] < 0) 4291 break; 4292 if (fallback_entries[i] == current_entryno) 4293 { 4294 index = i + 1; 4295 break; 4296 } 4297 } 4298 4299 if (index >= MAX_FALLBACK_ENTRIES || fallback_entries[index] < 0) 4300 { 4301 /* This is the last. */ 4302 errnum = ERR_BAD_ARGUMENT; 4303 return 1; 4304 } 4305 4306 entryno = fallback_entries[index]; 4307 } 4308 else if (! safe_parse_maxint (&arg, &entryno)) 4309 return 1; 4310 } 4311 else 4312 entryno = current_entryno; 4313 4314 /* Open the default file. */ 4315 saved_drive = boot_drive; 4316 saved_partition = install_partition; 4317 if (grub_open (default_file)) 4318 { 4319 int len; 4320 4321 disk_read_hook = disk_read_savesect_func; 4322 len = grub_read (buf, sizeof (buf)); 4323 disk_read_hook = 0; 4324 grub_close (); 4325 4326 if (len != sizeof (buf)) 4327 { 4328 /* This is too small. Do not modify the file manually, please! */ 4329 errnum = ERR_READ; 4330 goto fail; 4331 } 4332 4333 if (sector_count > 2) 4334 { 4335 /* Is this possible?! Too fragmented! */ 4336 errnum = ERR_FSYS_CORRUPT; 4337 goto fail; 4338 } 4339 4340 /* Set up a string to be written. */ 4341 grub_memset (buf, '\n', sizeof (buf)); 4342 grub_sprintf (buf, "%d", entryno); 4343 4344 if (saved_lengths[0] < sizeof (buf)) 4345 { 4346 /* The file is anchored to another file and the first few bytes 4347 are spanned in two sectors. Uggh... */ 4348 if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE, 4349 sect)) 4350 goto fail; 4351 grub_memmove (sect + saved_offsets[0], buf, saved_lengths[0]); 4352 if (! rawwrite (current_drive, saved_sectors[0], sect)) 4353 goto fail; 4354 4355 if (! rawread (current_drive, saved_sectors[1], 0, SECTOR_SIZE, 4356 sect)) 4357 goto fail; 4358 grub_memmove (sect + saved_offsets[1], 4359 buf + saved_lengths[0], 4360 sizeof (buf) - saved_lengths[0]); 4361 if (! rawwrite (current_drive, saved_sectors[1], sect)) 4362 goto fail; 4363 } 4364 else 4365 { 4366 /* This is a simple case. It fits into a single sector. */ 4367 if (! rawread (current_drive, saved_sectors[0], 0, SECTOR_SIZE, 4368 sect)) 4369 goto fail; 4370 grub_memmove (sect + saved_offsets[0], buf, sizeof (buf)); 4371 if (! rawwrite (current_drive, saved_sectors[0], sect)) 4372 goto fail; 4373 } 4374 4375 /* Clear the cache. */ 4376 buf_track = BUF_CACHE_INVALID; 4377 } 4378 4379 fail: 4380 saved_drive = tmp_drive; 4381 saved_partition = tmp_partition; 4382 return errnum; 4383 #else /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */ 4384 errnum = ERR_UNRECOGNIZED; 4385 return 1; 4386 #endif /* ! SUPPORT_DISKLESS && ! GRUB_UTIL */ 4387 } 4388 4389 static struct builtin builtin_savedefault = 4390 { 4391 "savedefault", 4392 savedefault_func, 4393 BUILTIN_CMDLINE, 4394 "savedefault [NUM | `fallback']", 4395 "Save the current entry as the default boot entry if no argument is" 4396 " specified. If a number is specified, this number is saved. If" 4397 " `fallback' is used, next fallback entry is saved." 4398 }; 4399 4400 4401 #ifdef SUPPORT_SERIAL 4402 /* serial */ 4403 static int 4404 serial_func (char *arg, int flags) 4405 { 4406 unsigned short port = serial_hw_get_port (0); 4407 unsigned int speed = 9600; 4408 int word_len = UART_8BITS_WORD; 4409 int parity = UART_NO_PARITY; 4410 int stop_bit_len = UART_1_STOP_BIT; 4411 4412 /* Process GNU-style long options. 4413 FIXME: We should implement a getopt-like function, to avoid 4414 duplications. */ 4415 while (1) 4416 { 4417 if (grub_memcmp (arg, "--unit=", sizeof ("--unit=") - 1) == 0) 4418 { 4419 char *p = arg + sizeof ("--unit=") - 1; 4420 int unit; 4421 4422 if (! safe_parse_maxint (&p, &unit)) 4423 return 1; 4424 4425 if (unit < 0 || unit > 3) 4426 { 4427 errnum = ERR_DEV_VALUES; 4428 return 1; 4429 } 4430 4431 port = serial_hw_get_port (unit); 4432 } 4433 else if (grub_memcmp (arg, "--speed=", sizeof ("--speed=") - 1) == 0) 4434 { 4435 char *p = arg + sizeof ("--speed=") - 1; 4436 int num; 4437 4438 if (! safe_parse_maxint (&p, &num)) 4439 return 1; 4440 4441 speed = (unsigned int) num; 4442 } 4443 else if (grub_memcmp (arg, "--port=", sizeof ("--port=") - 1) == 0) 4444 { 4445 char *p = arg + sizeof ("--port=") - 1; 4446 int num; 4447 4448 if (! safe_parse_maxint (&p, &num)) 4449 return 1; 4450 4451 port = (unsigned short) num; 4452 } 4453 else if (grub_memcmp (arg, "--word=", sizeof ("--word=") - 1) == 0) 4454 { 4455 char *p = arg + sizeof ("--word=") - 1; 4456 int len; 4457 4458 if (! safe_parse_maxint (&p, &len)) 4459 return 1; 4460 4461 switch (len) 4462 { 4463 case 5: word_len = UART_5BITS_WORD; break; 4464 case 6: word_len = UART_6BITS_WORD; break; 4465 case 7: word_len = UART_7BITS_WORD; break; 4466 case 8: word_len = UART_8BITS_WORD; break; 4467 default: 4468 errnum = ERR_BAD_ARGUMENT; 4469 return 1; 4470 } 4471 } 4472 else if (grub_memcmp (arg, "--stop=", sizeof ("--stop=") - 1) == 0) 4473 { 4474 char *p = arg + sizeof ("--stop=") - 1; 4475 int len; 4476 4477 if (! safe_parse_maxint (&p, &len)) 4478 return 1; 4479 4480 switch (len) 4481 { 4482 case 1: stop_bit_len = UART_1_STOP_BIT; break; 4483 case 2: stop_bit_len = UART_2_STOP_BITS; break; 4484 default: 4485 errnum = ERR_BAD_ARGUMENT; 4486 return 1; 4487 } 4488 } 4489 else if (grub_memcmp (arg, "--parity=", sizeof ("--parity=") - 1) == 0) 4490 { 4491 char *p = arg + sizeof ("--parity=") - 1; 4492 4493 if (grub_memcmp (p, "no", sizeof ("no") - 1) == 0) 4494 parity = UART_NO_PARITY; 4495 else if (grub_memcmp (p, "odd", sizeof ("odd") - 1) == 0) 4496 parity = UART_ODD_PARITY; 4497 else if (grub_memcmp (p, "even", sizeof ("even") - 1) == 0) 4498 parity = UART_EVEN_PARITY; 4499 else 4500 { 4501 errnum = ERR_BAD_ARGUMENT; 4502 return 1; 4503 } 4504 } 4505 # ifdef GRUB_UTIL 4506 /* In the grub shell, don't use any port number but open a tty 4507 device instead. */ 4508 else if (grub_memcmp (arg, "--device=", sizeof ("--device=") - 1) == 0) 4509 { 4510 char *p = arg + sizeof ("--device=") - 1; 4511 char dev[256]; /* XXX */ 4512 char *q = dev; 4513 4514 while (*p && ! grub_isspace (*p)) 4515 *q++ = *p++; 4516 4517 *q = 0; 4518 serial_set_device (dev); 4519 } 4520 # endif /* GRUB_UTIL */ 4521 else 4522 break; 4523 4524 arg = skip_to (0, arg); 4525 } 4526 4527 /* Initialize the serial unit. */ 4528 if (! serial_hw_init (port, speed, word_len, parity, stop_bit_len)) 4529 { 4530 errnum = ERR_BAD_ARGUMENT; 4531 return 1; 4532 } 4533 4534 return 0; 4535 } 4536 4537 static struct builtin builtin_serial = 4538 { 4539 "serial", 4540 serial_func, 4541 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 4542 "serial [--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] [--parity=PARITY] [--stop=STOP] [--device=DEV]", 4543 "Initialize a serial device. UNIT is a digit that specifies which serial" 4544 " device is used (e.g. 0 == COM1). If you need to specify the port number," 4545 " set it by --port. SPEED is the DTE-DTE speed. WORD is the word length," 4546 " PARITY is the type of parity, which is one of `no', `odd' and `even'." 4547 " STOP is the length of stop bit(s). The option --device can be used only" 4548 " in the grub shell, which specifies the file name of a tty device. The" 4549 " default values are COM1, 9600, 8N1." 4550 }; 4551 #endif /* SUPPORT_SERIAL */ 4552 4553 4554 /* setkey */ 4555 struct keysym 4556 { 4557 char *unshifted_name; /* the name in unshifted state */ 4558 char *shifted_name; /* the name in shifted state */ 4559 unsigned char unshifted_ascii; /* the ascii code in unshifted state */ 4560 unsigned char shifted_ascii; /* the ascii code in shifted state */ 4561 unsigned char keycode; /* keyboard scancode */ 4562 }; 4563 4564 /* The table for key symbols. If the "shifted" member of an entry is 4565 NULL, the entry does not have shifted state. */ 4566 static struct keysym keysym_table[] = 4567 { 4568 {"escape", 0, 0x1b, 0, 0x01}, 4569 {"1", "exclam", '1', '!', 0x02}, 4570 {"2", "at", '2', '@', 0x03}, 4571 {"3", "numbersign", '3', '#', 0x04}, 4572 {"4", "dollar", '4', '$', 0x05}, 4573 {"5", "percent", '5', '%', 0x06}, 4574 {"6", "caret", '6', '^', 0x07}, 4575 {"7", "ampersand", '7', '&', 0x08}, 4576 {"8", "asterisk", '8', '*', 0x09}, 4577 {"9", "parenleft", '9', '(', 0x0a}, 4578 {"0", "parenright", '0', ')', 0x0b}, 4579 {"minus", "underscore", '-', '_', 0x0c}, 4580 {"equal", "plus", '=', '+', 0x0d}, 4581 {"backspace", 0, '\b', 0, 0x0e}, 4582 {"tab", 0, '\t', 0, 0x0f}, 4583 {"q", "Q", 'q', 'Q', 0x10}, 4584 {"w", "W", 'w', 'W', 0x11}, 4585 {"e", "E", 'e', 'E', 0x12}, 4586 {"r", "R", 'r', 'R', 0x13}, 4587 {"t", "T", 't', 'T', 0x14}, 4588 {"y", "Y", 'y', 'Y', 0x15}, 4589 {"u", "U", 'u', 'U', 0x16}, 4590 {"i", "I", 'i', 'I', 0x17}, 4591 {"o", "O", 'o', 'O', 0x18}, 4592 {"p", "P", 'p', 'P', 0x19}, 4593 {"bracketleft", "braceleft", '[', '{', 0x1a}, 4594 {"bracketright", "braceright", ']', '}', 0x1b}, 4595 {"enter", 0, '\n', 0, 0x1c}, 4596 {"control", 0, 0, 0, 0x1d}, 4597 {"a", "A", 'a', 'A', 0x1e}, 4598 {"s", "S", 's', 'S', 0x1f}, 4599 {"d", "D", 'd', 'D', 0x20}, 4600 {"f", "F", 'f', 'F', 0x21}, 4601 {"g", "G", 'g', 'G', 0x22}, 4602 {"h", "H", 'h', 'H', 0x23}, 4603 {"j", "J", 'j', 'J', 0x24}, 4604 {"k", "K", 'k', 'K', 0x25}, 4605 {"l", "L", 'l', 'L', 0x26}, 4606 {"semicolon", "colon", ';', ':', 0x27}, 4607 {"quote", "doublequote", '\'', '"', 0x28}, 4608 {"backquote", "tilde", '`', '~', 0x29}, 4609 {"shift", 0, 0, 0, 0x2a}, 4610 {"backslash", "bar", '\\', '|', 0x2b}, 4611 {"z", "Z", 'z', 'Z', 0x2c}, 4612 {"x", "X", 'x', 'X', 0x2d}, 4613 {"c", "C", 'c', 'C', 0x2e}, 4614 {"v", "V", 'v', 'V', 0x2f}, 4615 {"b", "B", 'b', 'B', 0x30}, 4616 {"n", "N", 'n', 'N', 0x31}, 4617 {"m", "M", 'm', 'M', 0x32}, 4618 {"comma", "less", ',', '<', 0x33}, 4619 {"period", "greater", '.', '>', 0x34}, 4620 {"slash", "question", '/', '?', 0x35}, 4621 {"alt", 0, 0, 0, 0x38}, 4622 {"space", 0, ' ', 0, 0x39}, 4623 {"capslock", 0, 0, 0, 0x3a}, 4624 {"F1", 0, 0, 0, 0x3b}, 4625 {"F2", 0, 0, 0, 0x3c}, 4626 {"F3", 0, 0, 0, 0x3d}, 4627 {"F4", 0, 0, 0, 0x3e}, 4628 {"F5", 0, 0, 0, 0x3f}, 4629 {"F6", 0, 0, 0, 0x40}, 4630 {"F7", 0, 0, 0, 0x41}, 4631 {"F8", 0, 0, 0, 0x42}, 4632 {"F9", 0, 0, 0, 0x43}, 4633 {"F10", 0, 0, 0, 0x44}, 4634 /* Caution: do not add NumLock here! we cannot deal with it properly. */ 4635 {"delete", 0, 0x7f, 0, 0x53} 4636 }; 4637 4638 static int 4639 setkey_func (char *arg, int flags) 4640 { 4641 char *to_key, *from_key; 4642 int to_code, from_code; 4643 int map_in_interrupt = 0; 4644 4645 auto int find_key_code (char *key); 4646 auto int find_ascii_code (char *key); 4647 4648 auto int find_key_code (char *key) 4649 { 4650 int i; 4651 4652 for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++) 4653 { 4654 if (keysym_table[i].unshifted_name && 4655 grub_strcmp (key, keysym_table[i].unshifted_name) == 0) 4656 return keysym_table[i].keycode; 4657 else if (keysym_table[i].shifted_name && 4658 grub_strcmp (key, keysym_table[i].shifted_name) == 0) 4659 return keysym_table[i].keycode; 4660 } 4661 4662 return 0; 4663 } 4664 4665 auto int find_ascii_code (char *key) 4666 { 4667 int i; 4668 4669 for (i = 0; i < sizeof (keysym_table) / sizeof (keysym_table[0]); i++) 4670 { 4671 if (keysym_table[i].unshifted_name && 4672 grub_strcmp (key, keysym_table[i].unshifted_name) == 0) 4673 return keysym_table[i].unshifted_ascii; 4674 else if (keysym_table[i].shifted_name && 4675 grub_strcmp (key, keysym_table[i].shifted_name) == 0) 4676 return keysym_table[i].shifted_ascii; 4677 } 4678 4679 return 0; 4680 } 4681 4682 to_key = arg; 4683 from_key = skip_to (0, to_key); 4684 4685 if (! *to_key) 4686 { 4687 /* If the user specifies no argument, reset the key mappings. */ 4688 grub_memset (bios_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short)); 4689 grub_memset (ascii_key_map, 0, KEY_MAP_SIZE * sizeof (unsigned short)); 4690 4691 return 0; 4692 } 4693 else if (! *from_key) 4694 { 4695 /* The user must specify two arguments or zero argument. */ 4696 errnum = ERR_BAD_ARGUMENT; 4697 return 1; 4698 } 4699 4700 nul_terminate (to_key); 4701 nul_terminate (from_key); 4702 4703 to_code = find_ascii_code (to_key); 4704 from_code = find_ascii_code (from_key); 4705 if (! to_code || ! from_code) 4706 { 4707 map_in_interrupt = 1; 4708 to_code = find_key_code (to_key); 4709 from_code = find_key_code (from_key); 4710 if (! to_code || ! from_code) 4711 { 4712 errnum = ERR_BAD_ARGUMENT; 4713 return 1; 4714 } 4715 } 4716 4717 if (map_in_interrupt) 4718 { 4719 int i; 4720 4721 /* Find an empty slot. */ 4722 for (i = 0; i < KEY_MAP_SIZE; i++) 4723 { 4724 if ((bios_key_map[i] & 0xff) == from_code) 4725 /* Perhaps the user wants to overwrite the map. */ 4726 break; 4727 4728 if (! bios_key_map[i]) 4729 break; 4730 } 4731 4732 if (i == KEY_MAP_SIZE) 4733 { 4734 errnum = ERR_WONT_FIT; 4735 return 1; 4736 } 4737 4738 if (to_code == from_code) 4739 /* If TO is equal to FROM, delete the entry. */ 4740 grub_memmove ((char *) &bios_key_map[i], 4741 (char *) &bios_key_map[i + 1], 4742 sizeof (unsigned short) * (KEY_MAP_SIZE - i)); 4743 else 4744 bios_key_map[i] = (to_code << 8) | from_code; 4745 4746 /* Ugly but should work. */ 4747 unset_int15_handler (); 4748 set_int15_handler (); 4749 } 4750 else 4751 { 4752 int i; 4753 4754 /* Find an empty slot. */ 4755 for (i = 0; i < KEY_MAP_SIZE; i++) 4756 { 4757 if ((ascii_key_map[i] & 0xff) == from_code) 4758 /* Perhaps the user wants to overwrite the map. */ 4759 break; 4760 4761 if (! ascii_key_map[i]) 4762 break; 4763 } 4764 4765 if (i == KEY_MAP_SIZE) 4766 { 4767 errnum = ERR_WONT_FIT; 4768 return 1; 4769 } 4770 4771 if (to_code == from_code) 4772 /* If TO is equal to FROM, delete the entry. */ 4773 grub_memmove ((char *) &ascii_key_map[i], 4774 (char *) &ascii_key_map[i + 1], 4775 sizeof (unsigned short) * (KEY_MAP_SIZE - i)); 4776 else 4777 ascii_key_map[i] = (to_code << 8) | from_code; 4778 } 4779 4780 return 0; 4781 } 4782 4783 static struct builtin builtin_setkey = 4784 { 4785 "setkey", 4786 setkey_func, 4787 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 4788 "setkey [TO_KEY FROM_KEY]", 4789 "Change the keyboard map. The key FROM_KEY is mapped to the key TO_KEY." 4790 " A key must be an alphabet, a digit, or one of these: escape, exclam," 4791 " at, numbersign, dollar, percent, caret, ampersand, asterisk, parenleft," 4792 " parenright, minus, underscore, equal, plus, backspace, tab, bracketleft," 4793 " braceleft, bracketright, braceright, enter, control, semicolon, colon," 4794 " quote, doublequote, backquote, tilde, shift, backslash, bar, comma," 4795 " less, period, greater, slash, question, alt, space, capslock, FX (X" 4796 " is a digit), and delete. If no argument is specified, reset key" 4797 " mappings." 4798 }; 4799 4800 4801 /* setup */ 4802 static int 4803 setup_func (char *arg, int flags) 4804 { 4805 /* Point to the string of the installed drive/partition. */ 4806 char *install_ptr; 4807 /* Point to the string of the drive/parition where the GRUB images 4808 reside. */ 4809 char *image_ptr; 4810 unsigned long installed_drive, installed_partition; 4811 unsigned long image_drive, image_partition; 4812 unsigned long tmp_drive, tmp_partition; 4813 char stage1[64]; 4814 char stage2[64]; 4815 char config_filename[64]; 4816 char real_config_filename[64]; 4817 char cmd_arg[256]; 4818 char device[16]; 4819 char *buffer = (char *) RAW_ADDR (0x100000); 4820 int is_force_lba = 0; 4821 char *stage2_arg = 0; 4822 char *prefix = 0; 4823 4824 auto int check_file (char *file); 4825 auto void sprint_device (int drive, int partition); 4826 auto int embed_stage1_5 (char * stage1_5, int drive, int partition); 4827 4828 /* Check if the file FILE exists like Autoconf. */ 4829 int check_file (char *file) 4830 { 4831 int ret; 4832 4833 grub_printf (" Checking if \"%s\" exists... ", file); 4834 ret = grub_open (file); 4835 if (ret) 4836 { 4837 grub_close (); 4838 grub_printf ("yes\n"); 4839 } 4840 else 4841 grub_printf ("no\n"); 4842 4843 return ret; 4844 } 4845 4846 /* Construct a device name in DEVICE. */ 4847 void sprint_device (int drive, int partition) 4848 { 4849 grub_sprintf (device, "(%cd%d", 4850 (drive & 0x80) ? 'h' : 'f', 4851 drive & ~0x80); 4852 if ((partition & 0xFF0000) != 0xFF0000) 4853 { 4854 char tmp[16]; 4855 grub_sprintf (tmp, ",%d", (partition >> 16) & 0xFF); 4856 grub_strncat (device, tmp, 256); 4857 } 4858 if ((partition & 0x00FF00) != 0x00FF00) 4859 { 4860 char tmp[16]; 4861 grub_sprintf (tmp, ",%c", 'a' + ((partition >> 8) & 0xFF)); 4862 grub_strncat (device, tmp, 256); 4863 } 4864 grub_strncat (device, ")", 256); 4865 } 4866 4867 int embed_stage1_5 (char *stage1_5, int drive, int partition) 4868 { 4869 /* We install GRUB into the MBR, so try to embed the 4870 Stage 1.5 in the sectors right after the MBR. */ 4871 sprint_device (drive, partition); 4872 grub_sprintf (cmd_arg, "%s %s", stage1_5, device); 4873 4874 /* Notify what will be run. */ 4875 grub_printf (" Running \"embed %s\"... ", cmd_arg); 4876 4877 embed_func (cmd_arg, flags); 4878 if (! errnum) 4879 { 4880 /* Construct the blocklist representation. */ 4881 grub_sprintf (buffer, "%s%s", device, embed_info); 4882 grub_printf ("succeeded\n"); 4883 return 1; 4884 } 4885 else 4886 { 4887 grub_printf ("failed (this is not fatal)\n"); 4888 return 0; 4889 } 4890 } 4891 4892 struct stage1_5_map { 4893 char *fsys; 4894 char *name; 4895 }; 4896 struct stage1_5_map stage1_5_map[] = 4897 { 4898 {"ext2fs", "/e2fs_stage1_5"}, 4899 {"fat", "/fat_stage1_5"}, 4900 {"ufs2", "/ufs2_stage1_5"}, 4901 {"ffs", "/ffs_stage1_5"}, 4902 {"iso9660", "/iso9660_stage1_5"}, 4903 {"jfs", "/jfs_stage1_5"}, 4904 {"minix", "/minix_stage1_5"}, 4905 {"reiserfs", "/reiserfs_stage1_5"}, 4906 {"vstafs", "/vstafs_stage1_5"}, 4907 {"xfs", "/xfs_stage1_5"}, 4908 {"ufs", "/ufs_stage1_5"} 4909 }; 4910 4911 tmp_drive = saved_drive; 4912 tmp_partition = saved_partition; 4913 4914 /* Check if the user specifies --force-lba. */ 4915 while (1) 4916 { 4917 if (grub_memcmp ("--force-lba", arg, sizeof ("--force-lba") - 1) == 0) 4918 { 4919 is_force_lba = 1; 4920 arg = skip_to (0, arg); 4921 } 4922 else if (grub_memcmp ("--prefix=", arg, sizeof ("--prefix=") - 1) == 0) 4923 { 4924 prefix = arg + sizeof ("--prefix=") - 1; 4925 arg = skip_to (0, arg); 4926 nul_terminate (prefix); 4927 } 4928 #ifdef GRUB_UTIL 4929 else if (grub_memcmp ("--stage2=", arg, sizeof ("--stage2=") - 1) == 0) 4930 { 4931 stage2_arg = arg; 4932 arg = skip_to (0, arg); 4933 nul_terminate (stage2_arg); 4934 } 4935 #endif /* GRUB_UTIL */ 4936 else 4937 break; 4938 } 4939 4940 install_ptr = arg; 4941 image_ptr = skip_to (0, install_ptr); 4942 4943 /* Make sure that INSTALL_PTR is valid. */ 4944 set_device (install_ptr); 4945 if (errnum) 4946 return 1; 4947 4948 installed_drive = current_drive; 4949 installed_partition = current_partition; 4950 4951 /* Mount the drive pointed by IMAGE_PTR. */ 4952 if (*image_ptr) 4953 { 4954 /* If the drive/partition where the images reside is specified, 4955 get the drive and the partition. */ 4956 set_device (image_ptr); 4957 if (errnum) 4958 return 1; 4959 } 4960 else 4961 { 4962 /* If omitted, use SAVED_PARTITION and SAVED_DRIVE. */ 4963 current_drive = saved_drive; 4964 current_partition = saved_partition; 4965 } 4966 4967 image_drive = saved_drive = current_drive; 4968 image_partition = saved_partition = current_partition; 4969 4970 /* Open it. */ 4971 if (! open_device ()) 4972 goto fail; 4973 4974 /* Check if stage1 exists. If the user doesn't specify the option 4975 `--prefix', attempt /boot/grub and /grub. */ 4976 /* NOTE: It is dangerous to run this command without `--prefix' in the 4977 grub shell, since that affects `--stage2'. */ 4978 if (! prefix) 4979 { 4980 prefix = "/boot/grub"; 4981 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4982 if (! check_file (stage1)) 4983 { 4984 errnum = ERR_NONE; 4985 prefix = "/grub"; 4986 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4987 if (! check_file (stage1)) 4988 goto fail; 4989 } 4990 } 4991 else 4992 { 4993 grub_sprintf (stage1, "%s%s", prefix, "/stage1"); 4994 if (! check_file (stage1)) 4995 goto fail; 4996 } 4997 4998 /* The prefix was determined. */ 4999 grub_sprintf (stage2, "%s%s", prefix, "/stage2"); 5000 grub_sprintf (config_filename, "%s%s", prefix, "/menu.lst"); 5001 *real_config_filename = 0; 5002 5003 /* Check if stage2 exists. */ 5004 if (! check_file (stage2)) 5005 goto fail; 5006 5007 { 5008 char *fsys = fsys_table[fsys_type].name; 5009 int i; 5010 int size = sizeof (stage1_5_map) / sizeof (stage1_5_map[0]); 5011 5012 /* Iterate finding the same filesystem name as FSYS. */ 5013 for (i = 0; i < size; i++) 5014 if (grub_strcmp (fsys, stage1_5_map[i].fsys) == 0) 5015 { 5016 /* OK, check if the Stage 1.5 exists. */ 5017 char stage1_5[64]; 5018 5019 grub_sprintf (stage1_5, "%s%s", prefix, stage1_5_map[i].name); 5020 if (check_file (stage1_5)) 5021 { 5022 if (embed_stage1_5 (stage1_5, 5023 installed_drive, installed_partition) 5024 || embed_stage1_5 (stage1_5, 5025 image_drive, image_partition)) 5026 { 5027 grub_strcpy (real_config_filename, config_filename); 5028 sprint_device (image_drive, image_partition); 5029 grub_sprintf (config_filename, "%s%s", device, stage2); 5030 grub_strcpy (stage2, buffer); 5031 } 5032 } 5033 errnum = 0; 5034 break; 5035 } 5036 } 5037 5038 /* Construct a string that is used by the command "install" as its 5039 arguments. */ 5040 sprint_device (installed_drive, installed_partition); 5041 5042 #if 1 5043 /* Don't embed a drive number unnecessarily. */ 5044 grub_sprintf (cmd_arg, "%s%s%s%s %s%s %s p %s %s", 5045 is_force_lba? "--force-lba " : "", 5046 stage2_arg? stage2_arg : "", 5047 stage2_arg? " " : "", 5048 stage1, 5049 (installed_drive != image_drive) ? "d " : "", 5050 device, 5051 stage2, 5052 config_filename, 5053 real_config_filename); 5054 #else /* NOT USED */ 5055 /* This code was used, because we belived some BIOSes had a problem 5056 that they didn't pass a booting drive correctly. It turned out, 5057 however, stage1 could trash a booting drive when checking LBA support, 5058 because some BIOSes modified the register %dx in INT 13H, AH=48H. 5059 So it becamed unclear whether GRUB should use a pre-defined booting 5060 drive or not. If the problem still exists, it would be necessary to 5061 switch back to this code. */ 5062 grub_sprintf (cmd_arg, "%s%s%s%s d %s %s p %s %s", 5063 is_force_lba? "--force-lba " : "", 5064 stage2_arg? stage2_arg : "", 5065 stage2_arg? " " : "", 5066 stage1, 5067 device, 5068 stage2, 5069 config_filename, 5070 real_config_filename); 5071 #endif /* NOT USED */ 5072 5073 /* Notify what will be run. */ 5074 grub_printf (" Running \"install %s\"... ", cmd_arg); 5075 5076 /* Make sure that SAVED_DRIVE and SAVED_PARTITION are identical 5077 with IMAGE_DRIVE and IMAGE_PARTITION, respectively. */ 5078 saved_drive = image_drive; 5079 saved_partition = image_partition; 5080 5081 /* Run the command. */ 5082 if (! install_func (cmd_arg, flags)) 5083 grub_printf ("succeeded\nDone.\n"); 5084 else 5085 grub_printf ("failed\n"); 5086 5087 fail: 5088 saved_drive = tmp_drive; 5089 saved_partition = tmp_partition; 5090 return errnum; 5091 } 5092 5093 static struct builtin builtin_setup = 5094 { 5095 "setup", 5096 setup_func, 5097 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5098 "setup [--prefix=DIR] [--stage2=STAGE2_FILE] [--force-lba] INSTALL_DEVICE [IMAGE_DEVICE]", 5099 "Set up the installation of GRUB automatically. This command uses" 5100 " the more flexible command \"install\" in the backend and installs" 5101 " GRUB into the device INSTALL_DEVICE. If IMAGE_DEVICE is specified," 5102 " then find the GRUB images in the device IMAGE_DEVICE, otherwise" 5103 " use the current \"root device\", which can be set by the command" 5104 " \"root\". If you know that your BIOS should support LBA but GRUB" 5105 " doesn't work in LBA mode, specify the option `--force-lba'." 5106 " If you install GRUB under the grub shell and you cannot unmount the" 5107 " partition where GRUB images reside, specify the option `--stage2'" 5108 " to tell GRUB the file name under your OS." 5109 }; 5110 5111 5112 #if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) 5113 /* terminal */ 5114 static int 5115 terminal_func (char *arg, int flags) 5116 { 5117 /* The index of the default terminal in TERM_TABLE. */ 5118 int default_term = -1; 5119 struct term_entry *prev_term = current_term; 5120 int to = -1; 5121 int lines = 0; 5122 int no_message = 0; 5123 unsigned long term_flags = 0; 5124 /* XXX: Assume less than 32 terminals. */ 5125 unsigned long term_bitmap = 0; 5126 5127 /* Get GNU-style long options. */ 5128 while (1) 5129 { 5130 if (grub_memcmp (arg, "--dumb", sizeof ("--dumb") - 1) == 0) 5131 term_flags |= TERM_DUMB; 5132 else if (grub_memcmp (arg, "--no-echo", sizeof ("--no-echo") - 1) == 0) 5133 /* ``--no-echo'' implies ``--no-edit''. */ 5134 term_flags |= (TERM_NO_ECHO | TERM_NO_EDIT); 5135 else if (grub_memcmp (arg, "--no-edit", sizeof ("--no-edit") - 1) == 0) 5136 term_flags |= TERM_NO_EDIT; 5137 else if (grub_memcmp (arg, "--timeout=", sizeof ("--timeout=") - 1) == 0) 5138 { 5139 char *val = arg + sizeof ("--timeout=") - 1; 5140 5141 if (! safe_parse_maxint (&val, &to)) 5142 return 1; 5143 } 5144 else if (grub_memcmp (arg, "--lines=", sizeof ("--lines=") - 1) == 0) 5145 { 5146 char *val = arg + sizeof ("--lines=") - 1; 5147 5148 if (! safe_parse_maxint (&val, &lines)) 5149 return 1; 5150 5151 /* Probably less than four is meaningless.... */ 5152 if (lines < 4) 5153 { 5154 errnum = ERR_BAD_ARGUMENT; 5155 return 1; 5156 } 5157 } 5158 else if (grub_memcmp (arg, "--silent", sizeof ("--silent") - 1) == 0) 5159 no_message = 1; 5160 else 5161 break; 5162 5163 arg = skip_to (0, arg); 5164 } 5165 5166 /* If no argument is specified, show current setting. */ 5167 if (! *arg) 5168 { 5169 grub_printf ("%s%s%s%s\n", 5170 current_term->name, 5171 current_term->flags & TERM_DUMB ? " (dumb)" : "", 5172 current_term->flags & TERM_NO_EDIT ? " (no edit)" : "", 5173 current_term->flags & TERM_NO_ECHO ? " (no echo)" : ""); 5174 return 0; 5175 } 5176 5177 while (*arg) 5178 { 5179 int i; 5180 char *next = skip_to (0, arg); 5181 5182 nul_terminate (arg); 5183 5184 for (i = 0; term_table[i].name; i++) 5185 { 5186 if (grub_strcmp (arg, term_table[i].name) == 0) 5187 { 5188 if (term_table[i].flags & TERM_NEED_INIT) 5189 { 5190 errnum = ERR_DEV_NEED_INIT; 5191 return 1; 5192 } 5193 5194 if (default_term < 0) 5195 default_term = i; 5196 5197 term_bitmap |= (1 << i); 5198 break; 5199 } 5200 } 5201 5202 if (! term_table[i].name) 5203 { 5204 errnum = ERR_BAD_ARGUMENT; 5205 return 1; 5206 } 5207 5208 arg = next; 5209 } 5210 5211 /* If multiple terminals are specified, wait until the user pushes any 5212 key on one of the terminals. */ 5213 if (term_bitmap & ~(1 << default_term)) 5214 { 5215 int time1, time2 = -1; 5216 5217 /* XXX: Disable the pager. */ 5218 count_lines = -1; 5219 5220 /* Get current time. */ 5221 while ((time1 = getrtsecs ()) == 0xFF) 5222 ; 5223 5224 /* Wait for a key input. */ 5225 while (to) 5226 { 5227 int i; 5228 5229 for (i = 0; term_table[i].name; i++) 5230 { 5231 if (term_bitmap & (1 << i)) 5232 { 5233 if (term_table[i].checkkey () >= 0) 5234 { 5235 (void) term_table[i].getkey (); 5236 default_term = i; 5237 5238 goto end; 5239 } 5240 } 5241 } 5242 5243 /* Prompt the user, once per sec. */ 5244 if ((time1 = getrtsecs ()) != time2 && time1 != 0xFF) 5245 { 5246 if (! no_message) 5247 { 5248 /* Need to set CURRENT_TERM to each of selected 5249 terminals. */ 5250 for (i = 0; term_table[i].name; i++) 5251 if (term_bitmap & (1 << i)) 5252 { 5253 current_term = term_table + i; 5254 grub_printf ("\rPress any key to continue.\n"); 5255 } 5256 5257 /* Restore CURRENT_TERM. */ 5258 current_term = prev_term; 5259 } 5260 5261 time2 = time1; 5262 if (to > 0) 5263 to--; 5264 } 5265 } 5266 } 5267 5268 end: 5269 current_term = term_table + default_term; 5270 current_term->flags = term_flags; 5271 5272 if (lines) 5273 max_lines = lines; 5274 else 5275 max_lines = current_term->max_lines; 5276 5277 /* If the interface is currently the command-line, 5278 restart it to repaint the screen. */ 5279 if ((current_term != prev_term) && (flags & BUILTIN_CMDLINE)){ 5280 if (prev_term->shutdown) 5281 prev_term->shutdown(); 5282 if (current_term->startup) 5283 current_term->startup(); 5284 grub_longjmp (restart_cmdline_env, 0); 5285 } 5286 5287 return 0; 5288 } 5289 5290 static struct builtin builtin_terminal = 5291 { 5292 "terminal", 5293 terminal_func, 5294 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5295 "terminal [--dumb] [--no-echo] [--no-edit] [--timeout=SECS] [--lines=LINES] [--silent] [console] [serial] [hercules] [graphics]", 5296 "Select a terminal. When multiple terminals are specified, wait until" 5297 " you push any key to continue. If both console and serial are specified," 5298 " the terminal to which you input a key first will be selected. If no" 5299 " argument is specified, print current setting. The option --dumb" 5300 " specifies that your terminal is dumb, otherwise, vt100-compatibility" 5301 " is assumed. If you specify --no-echo, input characters won't be echoed." 5302 " If you specify --no-edit, the BASH-like editing feature will be disabled." 5303 " If --timeout is present, this command will wait at most for SECS" 5304 " seconds. The option --lines specifies the maximum number of lines." 5305 " The option --silent is used to suppress messages." 5306 }; 5307 #endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ 5308 5309 5310 #ifdef SUPPORT_SERIAL 5311 static int 5312 terminfo_func (char *arg, int flags) 5313 { 5314 struct terminfo term; 5315 5316 if (*arg) 5317 { 5318 struct 5319 { 5320 const char *name; 5321 char *var; 5322 } 5323 options[] = 5324 { 5325 {"--name=", term.name}, 5326 {"--cursor-address=", term.cursor_address}, 5327 {"--clear-screen=", term.clear_screen}, 5328 {"--enter-standout-mode=", term.enter_standout_mode}, 5329 {"--exit-standout-mode=", term.exit_standout_mode} 5330 }; 5331 5332 grub_memset (&term, 0, sizeof (term)); 5333 5334 while (*arg) 5335 { 5336 int i; 5337 char *next = skip_to (0, arg); 5338 5339 nul_terminate (arg); 5340 5341 for (i = 0; i < sizeof (options) / sizeof (options[0]); i++) 5342 { 5343 const char *name = options[i].name; 5344 int len = grub_strlen (name); 5345 5346 if (! grub_memcmp (arg, name, len)) 5347 { 5348 grub_strcpy (options[i].var, ti_unescape_string (arg + len)); 5349 break; 5350 } 5351 } 5352 5353 if (i == sizeof (options) / sizeof (options[0])) 5354 { 5355 errnum = ERR_BAD_ARGUMENT; 5356 return errnum; 5357 } 5358 5359 arg = next; 5360 } 5361 5362 if (term.name[0] == 0 || term.cursor_address[0] == 0) 5363 { 5364 errnum = ERR_BAD_ARGUMENT; 5365 return errnum; 5366 } 5367 5368 ti_set_term (&term); 5369 } 5370 else 5371 { 5372 /* No option specifies printing out current settings. */ 5373 ti_get_term (&term); 5374 5375 grub_printf ("name=%s\n", 5376 ti_escape_string (term.name)); 5377 grub_printf ("cursor_address=%s\n", 5378 ti_escape_string (term.cursor_address)); 5379 grub_printf ("clear_screen=%s\n", 5380 ti_escape_string (term.clear_screen)); 5381 grub_printf ("enter_standout_mode=%s\n", 5382 ti_escape_string (term.enter_standout_mode)); 5383 grub_printf ("exit_standout_mode=%s\n", 5384 ti_escape_string (term.exit_standout_mode)); 5385 } 5386 5387 return 0; 5388 } 5389 5390 static struct builtin builtin_terminfo = 5391 { 5392 "terminfo", 5393 terminfo_func, 5394 BUILTIN_MENU | BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5395 "terminfo [--name=NAME --cursor-address=SEQ [--clear-screen=SEQ]" 5396 " [--enter-standout-mode=SEQ] [--exit-standout-mode=SEQ]]", 5397 5398 "Define the capabilities of your terminal. Use this command to" 5399 " define escape sequences, if it is not vt100-compatible." 5400 " You may use \\e for ESC and ^X for a control character." 5401 " If no option is specified, the current settings are printed." 5402 }; 5403 #endif /* SUPPORT_SERIAL */ 5404 5405 5406 /* testload */ 5407 static int 5408 testload_func (char *arg, int flags) 5409 { 5410 int i; 5411 5412 kernel_type = KERNEL_TYPE_NONE; 5413 5414 if (! grub_open (arg)) 5415 return 1; 5416 5417 disk_read_hook = disk_read_print_func; 5418 5419 /* Perform filesystem test on the specified file. */ 5420 /* Read whole file first. */ 5421 grub_printf ("Whole file: "); 5422 5423 grub_read ((char *) RAW_ADDR (0x100000), -1); 5424 5425 /* Now compare two sections of the file read differently. */ 5426 5427 for (i = 0; i < 0x10ac0; i++) 5428 { 5429 *((unsigned char *) RAW_ADDR (0x200000 + i)) = 0; 5430 *((unsigned char *) RAW_ADDR (0x300000 + i)) = 1; 5431 } 5432 5433 /* First partial read. */ 5434 grub_printf ("\nPartial read 1: "); 5435 5436 grub_seek (0); 5437 grub_read ((char *) RAW_ADDR (0x200000), 0x7); 5438 grub_read ((char *) RAW_ADDR (0x200007), 0x100); 5439 grub_read ((char *) RAW_ADDR (0x200107), 0x10); 5440 grub_read ((char *) RAW_ADDR (0x200117), 0x999); 5441 grub_read ((char *) RAW_ADDR (0x200ab0), 0x10); 5442 grub_read ((char *) RAW_ADDR (0x200ac0), 0x10000); 5443 5444 /* Second partial read. */ 5445 grub_printf ("\nPartial read 2: "); 5446 5447 grub_seek (0); 5448 grub_read ((char *) RAW_ADDR (0x300000), 0x10000); 5449 grub_read ((char *) RAW_ADDR (0x310000), 0x10); 5450 grub_read ((char *) RAW_ADDR (0x310010), 0x7); 5451 grub_read ((char *) RAW_ADDR (0x310017), 0x10); 5452 grub_read ((char *) RAW_ADDR (0x310027), 0x999); 5453 grub_read ((char *) RAW_ADDR (0x3109c0), 0x100); 5454 5455 grub_printf ("\nHeader1 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n", 5456 *((int *) RAW_ADDR (0x200000)), 5457 *((int *) RAW_ADDR (0x200004)), 5458 *((int *) RAW_ADDR (0x200008)), 5459 *((int *) RAW_ADDR (0x20000c))); 5460 5461 grub_printf ("Header2 = 0x%x, next = 0x%x, next = 0x%x, next = 0x%x\n", 5462 *((int *) RAW_ADDR (0x300000)), 5463 *((int *) RAW_ADDR (0x300004)), 5464 *((int *) RAW_ADDR (0x300008)), 5465 *((int *) RAW_ADDR (0x30000c))); 5466 5467 for (i = 0; i < 0x10ac0; i++) 5468 if (*((unsigned char *) RAW_ADDR (0x200000 + i)) 5469 != *((unsigned char *) RAW_ADDR (0x300000 + i))) 5470 break; 5471 5472 grub_printf ("Max is 0x10ac0: i=0x%x, filepos=0x%x\n", i, filepos); 5473 disk_read_hook = 0; 5474 grub_close (); 5475 return 0; 5476 } 5477 5478 static struct builtin builtin_testload = 5479 { 5480 "testload", 5481 testload_func, 5482 BUILTIN_CMDLINE, 5483 "testload FILE", 5484 "Read the entire contents of FILE in several different ways and" 5485 " compares them, to test the filesystem code. The output is somewhat" 5486 " cryptic, but if no errors are reported and the final `i=X," 5487 " filepos=Y' reading has X and Y equal, then it is definitely" 5488 " consistent, and very likely works correctly subject to a" 5489 " consistent offset error. If this test succeeds, then a good next" 5490 " step is to try loading a kernel." 5491 }; 5492 5493 5494 /* testvbe MODE */ 5495 static int 5496 testvbe_func (char *arg, int flags) 5497 { 5498 int mode_number; 5499 struct vbe_controller controller; 5500 struct vbe_mode mode; 5501 5502 if (! *arg) 5503 { 5504 errnum = ERR_BAD_ARGUMENT; 5505 return 1; 5506 } 5507 5508 if (! safe_parse_maxint (&arg, &mode_number)) 5509 return 1; 5510 5511 /* Preset `VBE2'. */ 5512 grub_memmove (controller.signature, "VBE2", 4); 5513 5514 /* Detect VBE BIOS. */ 5515 if (get_vbe_controller_info (&controller) != 0x004F) 5516 { 5517 grub_printf (" VBE BIOS is not present.\n"); 5518 return 0; 5519 } 5520 5521 if (controller.version < 0x0200) 5522 { 5523 grub_printf (" VBE version %d.%d is not supported.\n", 5524 (int) (controller.version >> 8), 5525 (int) (controller.version & 0xFF)); 5526 return 0; 5527 } 5528 5529 if (get_vbe_mode_info (mode_number, &mode) != 0x004F 5530 || (mode.mode_attributes & 0x0091) != 0x0091) 5531 { 5532 grub_printf (" Mode 0x%x is not supported.\n", mode_number); 5533 return 0; 5534 } 5535 5536 /* Now trip to the graphics mode. */ 5537 if (set_vbe_mode (mode_number | (1 << 14)) != 0x004F) 5538 { 5539 grub_printf (" Switching to Mode 0x%x failed.\n", mode_number); 5540 return 0; 5541 } 5542 5543 /* Draw something on the screen... */ 5544 { 5545 unsigned char *base_buf = (unsigned char *) mode.phys_base; 5546 int scanline = controller.version >= 0x0300 5547 ? mode.linear_bytes_per_scanline : mode.bytes_per_scanline; 5548 /* FIXME: this assumes that any depth is a modulo of 8. */ 5549 int bpp = mode.bits_per_pixel / 8; 5550 int width = mode.x_resolution; 5551 int height = mode.y_resolution; 5552 int x, y; 5553 unsigned color = 0; 5554 5555 /* Iterate drawing on the screen, until the user hits any key. */ 5556 while (checkkey () == -1) 5557 { 5558 for (y = 0; y < height; y++) 5559 { 5560 unsigned char *line_buf = base_buf + scanline * y; 5561 5562 for (x = 0; x < width; x++) 5563 { 5564 unsigned char *buf = line_buf + bpp * x; 5565 int i; 5566 5567 for (i = 0; i < bpp; i++, buf++) 5568 *buf = (color >> (i * 8)) & 0xff; 5569 } 5570 5571 color++; 5572 } 5573 } 5574 5575 /* Discard the input. */ 5576 getkey (); 5577 } 5578 5579 /* Back to the default text mode. */ 5580 if (set_vbe_mode (0x03) != 0x004F) 5581 { 5582 /* Why?! */ 5583 grub_reboot (); 5584 } 5585 5586 return 0; 5587 } 5588 5589 static struct builtin builtin_testvbe = 5590 { 5591 "testvbe", 5592 testvbe_func, 5593 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5594 "testvbe MODE", 5595 "Test the VBE mode MODE. Hit any key to return." 5596 }; 5597 5598 5599 #ifdef SUPPORT_NETBOOT 5600 /* tftpserver */ 5601 static int 5602 tftpserver_func (char *arg, int flags) 5603 { 5604 if (! *arg || ! ifconfig (0, 0, 0, arg)) 5605 { 5606 errnum = ERR_BAD_ARGUMENT; 5607 return 1; 5608 } 5609 5610 print_network_configuration (); 5611 return 0; 5612 } 5613 5614 static struct builtin builtin_tftpserver = 5615 { 5616 "tftpserver", 5617 tftpserver_func, 5618 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 5619 "tftpserver IPADDR", 5620 "Override the TFTP server address." 5621 }; 5622 #endif /* SUPPORT_NETBOOT */ 5623 5624 5625 /* timeout */ 5626 static int 5627 timeout_func (char *arg, int flags) 5628 { 5629 if (! safe_parse_maxint (&arg, &grub_timeout)) 5630 return 1; 5631 5632 return 0; 5633 } 5634 5635 static struct builtin builtin_timeout = 5636 { 5637 "timeout", 5638 timeout_func, 5639 BUILTIN_MENU, 5640 #if 0 5641 "timeout SEC", 5642 "Set a timeout, in SEC seconds, before automatically booting the" 5643 " default entry (normally the first entry defined)." 5644 #endif 5645 }; 5646 5647 5648 /* title */ 5649 static int 5650 title_func (char *arg, int flags) 5651 { 5652 /* This function is not actually used at least currently. */ 5653 return 0; 5654 } 5655 5656 static struct builtin builtin_title = 5657 { 5658 "title", 5659 title_func, 5660 BUILTIN_TITLE, 5661 #if 0 5662 "title [NAME ...]", 5663 "Start a new boot entry, and set its name to the contents of the" 5664 " rest of the line, starting with the first non-space character." 5665 #endif 5666 }; 5667 5668 5669 /* unhide */ 5670 static int 5671 unhide_func (char *arg, int flags) 5672 { 5673 if (! set_device (arg)) 5674 return 1; 5675 5676 if (! set_partition_hidden_flag (0)) 5677 return 1; 5678 5679 return 0; 5680 } 5681 5682 static struct builtin builtin_unhide = 5683 { 5684 "unhide", 5685 unhide_func, 5686 BUILTIN_CMDLINE | BUILTIN_MENU | BUILTIN_HELP_LIST, 5687 "unhide PARTITION", 5688 "Unhide PARTITION by clearing the \"hidden\" bit in its" 5689 " partition type code." 5690 }; 5691 5692 5693 /* uppermem */ 5694 static int 5695 uppermem_func (char *arg, int flags) 5696 { 5697 if (! safe_parse_maxint (&arg, (int *) &mbi.mem_upper)) 5698 return 1; 5699 5700 mbi.flags &= ~MB_INFO_MEM_MAP; 5701 return 0; 5702 } 5703 5704 static struct builtin builtin_uppermem = 5705 { 5706 "uppermem", 5707 uppermem_func, 5708 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5709 "uppermem KBYTES", 5710 "Force GRUB to assume that only KBYTES kilobytes of upper memory are" 5711 " installed. Any system address range maps are discarded." 5712 }; 5713 5714 5715 /* vbeprobe */ 5716 static int 5717 vbeprobe_func (char *arg, int flags) 5718 { 5719 struct vbe_controller controller; 5720 unsigned short *mode_list; 5721 int mode_number = -1; 5722 5723 auto unsigned long vbe_far_ptr_to_linear (unsigned long); 5724 5725 unsigned long vbe_far_ptr_to_linear (unsigned long ptr) 5726 { 5727 unsigned short seg = (ptr >> 16); 5728 unsigned short off = (ptr & 0xFFFF); 5729 5730 return (seg << 4) + off; 5731 } 5732 5733 if (*arg) 5734 { 5735 if (! safe_parse_maxint (&arg, &mode_number)) 5736 return 1; 5737 } 5738 5739 /* Set the signature to `VBE2', to obtain VBE 3.0 information. */ 5740 grub_memmove (controller.signature, "VBE2", 4); 5741 5742 if (get_vbe_controller_info (&controller) != 0x004F) 5743 { 5744 grub_printf (" VBE BIOS is not present.\n"); 5745 return 0; 5746 } 5747 5748 /* Check the version. */ 5749 if (controller.version < 0x0200) 5750 { 5751 grub_printf (" VBE version %d.%d is not supported.\n", 5752 (int) (controller.version >> 8), 5753 (int) (controller.version & 0xFF)); 5754 return 0; 5755 } 5756 5757 /* Print some information. */ 5758 grub_printf (" VBE version %d.%d\n", 5759 (int) (controller.version >> 8), 5760 (int) (controller.version & 0xFF)); 5761 5762 /* Iterate probing modes. */ 5763 for (mode_list 5764 = (unsigned short *) vbe_far_ptr_to_linear (controller.video_mode); 5765 *mode_list != 0xFFFF; 5766 mode_list++) 5767 { 5768 struct vbe_mode mode; 5769 5770 if (get_vbe_mode_info (*mode_list, &mode) != 0x004F) 5771 continue; 5772 5773 /* Skip this, if this is not supported or linear frame buffer 5774 mode is not support. */ 5775 if ((mode.mode_attributes & 0x0081) != 0x0081) 5776 continue; 5777 5778 if (mode_number == -1 || mode_number == *mode_list) 5779 { 5780 char *model; 5781 switch (mode.memory_model) 5782 { 5783 case 0x00: model = "Text"; break; 5784 case 0x01: model = "CGA graphics"; break; 5785 case 0x02: model = "Hercules graphics"; break; 5786 case 0x03: model = "Planar"; break; 5787 case 0x04: model = "Packed pixel"; break; 5788 case 0x05: model = "Non-chain 4, 256 color"; break; 5789 case 0x06: model = "Direct Color"; break; 5790 case 0x07: model = "YUV"; break; 5791 default: model = "Unknown"; break; 5792 } 5793 5794 grub_printf (" 0x%x: %s, %ux%ux%u\n", 5795 (unsigned) *mode_list, 5796 model, 5797 (unsigned) mode.x_resolution, 5798 (unsigned) mode.y_resolution, 5799 (unsigned) mode.bits_per_pixel); 5800 5801 if (mode_number != -1) 5802 break; 5803 } 5804 } 5805 5806 if (mode_number != -1 && mode_number != *mode_list) 5807 grub_printf (" Mode 0x%x is not found or supported.\n", mode_number); 5808 5809 return 0; 5810 } 5811 5812 static struct builtin builtin_vbeprobe = 5813 { 5814 "vbeprobe", 5815 vbeprobe_func, 5816 BUILTIN_CMDLINE | BUILTIN_HELP_LIST, 5817 "vbeprobe [MODE]", 5818 "Probe VBE information. If the mode number MODE is specified, show only" 5819 " the information about only the mode." 5820 }; 5821 5822 5823 /* The table of builtin commands. Sorted in dictionary order. */ 5824 struct builtin *builtin_table[] = 5825 { 5826 #ifdef SUPPORT_GRAPHICS 5827 &builtin_background, 5828 #endif 5829 &builtin_blocklist, 5830 &builtin_boot, 5831 &builtin_bootfs, 5832 #ifdef SUPPORT_NETBOOT 5833 &builtin_bootp, 5834 #endif /* SUPPORT_NETBOOT */ 5835 &builtin_cat, 5836 &builtin_chainloader, 5837 &builtin_clear, 5838 &builtin_cmp, 5839 &builtin_color, 5840 &builtin_configfile, 5841 &builtin_debug, 5842 &builtin_default, 5843 #ifdef GRUB_UTIL 5844 &builtin_device, 5845 #endif /* GRUB_UTIL */ 5846 #ifdef SUPPORT_NETBOOT 5847 &builtin_dhcp, 5848 #endif /* SUPPORT_NETBOOT */ 5849 &builtin_displayapm, 5850 &builtin_displaymem, 5851 #ifdef GRUB_UTIL 5852 &builtin_dump, 5853 #endif /* GRUB_UTIL */ 5854 &builtin_embed, 5855 &builtin_fallback, 5856 &builtin_find, 5857 &builtin_findroot, 5858 #ifdef SUPPORT_GRAPHICS 5859 &builtin_foreground, 5860 #endif 5861 &builtin_fstest, 5862 &builtin_geometry, 5863 &builtin_halt, 5864 &builtin_help, 5865 &builtin_hiddenmenu, 5866 &builtin_hide, 5867 #ifdef SUPPORT_NETBOOT 5868 &builtin_ifconfig, 5869 #endif /* SUPPORT_NETBOOT */ 5870 &builtin_impsprobe, 5871 &builtin_info, 5872 &builtin_initrd, 5873 &builtin_install, 5874 &builtin_ioprobe, 5875 &builtin_kernel, 5876 &builtin_kernel_dollar, 5877 &builtin_lock, 5878 &builtin_makeactive, 5879 &builtin_map, 5880 #ifdef USE_MD5_PASSWORDS 5881 &builtin_md5crypt, 5882 #endif /* USE_MD5_PASSWORDS */ 5883 &builtin_min_mem64, 5884 &builtin_module, 5885 &builtin_module_dollar, 5886 &builtin_modulenounzip, 5887 &builtin_pager, 5888 &builtin_partnew, 5889 &builtin_parttype, 5890 &builtin_password, 5891 &builtin_pause, 5892 #if defined(RPC_DEBUG) && defined(SUPPORT_NETBOOT) 5893 &builtin_portmap, 5894 #endif /* RPC_DEBUG && SUPPORT_NETBOOT */ 5895 #ifdef GRUB_UTIL 5896 &builtin_quit, 5897 #endif /* GRUB_UTIL */ 5898 #ifdef SUPPORT_NETBOOT 5899 &builtin_rarp, 5900 #endif /* SUPPORT_NETBOOT */ 5901 &builtin_read, 5902 &builtin_reboot, 5903 &builtin_root, 5904 &builtin_rootnoverify, 5905 &builtin_savedefault, 5906 #ifdef SUPPORT_SERIAL 5907 &builtin_serial, 5908 #endif /* SUPPORT_SERIAL */ 5909 &builtin_setkey, 5910 &builtin_setup, 5911 #ifdef SUPPORT_GRAPHICS 5912 &builtin_splashimage, 5913 #endif /* SUPPORT_GRAPHICS */ 5914 #if defined(SUPPORT_SERIAL) || defined(SUPPORT_HERCULES) || defined(SUPPORT_GRAPHICS) 5915 &builtin_terminal, 5916 #endif /* SUPPORT_SERIAL || SUPPORT_HERCULES || SUPPORT_GRAPHICS */ 5917 #ifdef SUPPORT_SERIAL 5918 &builtin_terminfo, 5919 #endif /* SUPPORT_SERIAL */ 5920 &builtin_testload, 5921 &builtin_testvbe, 5922 #ifdef SUPPORT_NETBOOT 5923 &builtin_tftpserver, 5924 #endif /* SUPPORT_NETBOOT */ 5925 &builtin_timeout, 5926 &builtin_title, 5927 &builtin_unhide, 5928 &builtin_uppermem, 5929 &builtin_vbeprobe, 5930 &builtin_verbose, 5931 0 5932 }; 5933