enum {
FLAG_IGNORE_REST = 1
} flags;
+ const char *shortdesc;
+ const char *longdesc;
};
struct legacy_command legacy_commands[] =
{
- {"blocklist", "blocklist '%s'\n", 1, {TYPE_FILE}, 0},
- {"boot", "boot\n", 0, {}, 0},
+ {"blocklist", "blocklist '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
+ "Print the blocklist notation of the file FILE."
+ },
+ {"boot", "boot\n", 0, {}, 0, 0,
+ "Boot the OS/chain-loader which has been loaded."},
/* bootp unsupported. */
- {"cat", "cat '%s'\n", 1, {TYPE_FILE}, 0},
+ {"cat", "cat '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
+ "Print the contents of the file FILE."},
{"chainloader", "chainloader %s '%s'\n", 2, {TYPE_FORCE_OPTION, TYPE_FILE},
- 0},
- {"cmp", "cmp '%s' '%s'\n", 2, {TYPE_FILE, TYPE_FILE}, FLAG_IGNORE_REST},
+ 0, "[--force] FILE",
+ "Load the chain-loader FILE. If --force is specified, then load it"
+ " forcibly, whether the boot loader signature is present or not."},
+ {"cmp", "cmp '%s' '%s'\n", 2, {TYPE_FILE, TYPE_FILE}, FLAG_IGNORE_REST,
+ "FILE1 FILE2",
+ "Compare the file FILE1 with the FILE2 and inform the different values"
+ " if any."},
/* FIXME: Implement command. */
{"color", "legacy_color '%s' '%s'\n", 2, {TYPE_VERBATIM, TYPE_VERBATIM},
- FLAG_IGNORE_REST},
- {"configfile", "legacy_configfile '%s'\n", 1, {TYPE_FILE}, 0},
+ FLAG_IGNORE_REST, "NORMAL [HIGHLIGHT]",
+ "Change the menu colors. The color NORMAL is used for most"
+ " lines in the menu, and the color HIGHLIGHT is used to highlight the"
+ " line where the cursor points. If you omit HIGHLIGHT, then the"
+ " inverted color of NORMAL is used for the highlighted line."
+ " The format of a color is \"FG/BG\". FG and BG are symbolic color names."
+ " A symbolic color name must be one of these: black, blue, green,"
+ " cyan, red, magenta, brown, light-gray, dark-gray, light-blue,"
+ " light-green, light-cyan, light-red, light-magenta, yellow and white."
+ " But only the first eight names can be used for BG. You can prefix"
+ " \"blink-\" to FG if you want a blinking foreground color."},
+ {"configfile", "legacy_configfile '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
+ "Load FILE as the configuration file."},
{"debug",
"if [ -z \"$debug\" ]; then set debug=all; else set debug=; fi\n",
- 0, {}, 0},
- {"default", "set default='%s'; if [ x\"$default\" = xsaved ]; then load_env; set default=\"$saved_entry\"; fi\n", 1, {TYPE_VERBATIM}, 0},
+ 0, {}, 0, 0, "Turn on/off the debug mode."},
+ {"default",
+ "set default='%s'; if [ x\"$default\" = xsaved ]; then load_env; "
+ "set default=\"$saved_entry\"; fi\n", 1, {TYPE_VERBATIM}, 0,
+ "[NUM | `saved']",
+ "Set the default entry to entry number NUM (if not specified, it is"
+ " 0, the first entry) or the entry number saved by savedefault."},
/* dhcp unsupported. */
/* displayapm unsupported. */
- {"displaymem", "lsmmap\n", 0, {}, 0},
+ {"displaymem", "lsmmap\n", 0, {}, 0, 0,
+ "Display what GRUB thinks the system address space map of the"
+ " machine is, including all regions of physical RAM installed."},
/* embed unsupported. */
- {"fallback", "set fallback='%s'\n", 1, {TYPE_VERBATIM}, 0},
- {"find", "search -f '%s'\n", 1, {TYPE_FILE}, 0},
+ {"fallback", "set fallback='%s'\n", 1, {TYPE_VERBATIM}, 0, "NUM...",
+ "Go into unattended boot mode: if the default boot entry has any"
+ " errors, instead of waiting for the user to do anything, it"
+ " immediately starts over using the NUM entry (same numbering as the"
+ " `default' command). This obviously won't help if the machine"
+ " was rebooted by a kernel that GRUB loaded."},
+ {"find", "search -f '%s'\n", 1, {TYPE_FILE}, 0, "FILENAME",
+ "Search for the filename FILENAME in all of partitions and print the list of"
+ " the devices which contain the file."},
/* fstest unsupported. */
/* geometry unsupported. */
- {"halt", "halt %s\n", 1, {TYPE_NOAPM_OPTION}, 0},
+ {"halt", "halt %s\n", 1, {TYPE_NOAPM_OPTION}, 0, "[--no-apm]",
+ "Halt your system. If APM is available on it, turn off the power using"
+ " the APM BIOS, unless you specify the option `--no-apm'."},
/* help unsupported. */ /* NUL_TERMINATE */
/* hiddenmenu unsupported. */
- {"hide", "parttool '%s' hidden+\n", 1, {TYPE_PARTITION}, 0},
+ {"hide", "parttool '%s' hidden+\n", 1, {TYPE_PARTITION}, 0, "PARTITION",
+ "Hide PARTITION by setting the \"hidden\" bit in"
+ " its partition type code."},
/* ifconfig unsupported. */
/* impsprobe unsupported. */
/* FIXME: Implement command. */
- {"initrd", "legacy_initrd '%s'\n", 1, {TYPE_FILE}, 0},
+ {"initrd", "legacy_initrd '%s' %s\n", 2, {TYPE_FILE, TYPE_REST_VERBATIM}, 0,
+ "FILE [ARG ...]",
+ "Load an initial ramdisk FILE for a Linux format boot image and set the"
+ " appropriate parameters in the Linux setup area in memory."},
/* install unsupported. */
/* ioprobe unsupported. */
/* FIXME: implement command. */
- {"kernel", "legacy_kernel %s '%s' %s\n", 3, {TYPE_TYPE_OPTION, TYPE_FILE,
- TYPE_REST_VERBATIM}, 0},
+ {"kernel", "legacy_kernel %s '%s' %s\n", 4, {TYPE_TYPE_OR_NOMEM_OPTION,
+ TYPE_TYPE_OR_NOMEM_OPTION,
+ TYPE_FILE,
+ TYPE_REST_VERBATIM}, 0,
+ "[--no-mem-option] [--type=TYPE] FILE [ARG ...]",
+ "Attempt to load the primary boot image from FILE. The rest of the"
+ " line is passed verbatim as the \"kernel command line\". Any modules"
+ " must be reloaded after using this command. The option --type is used"
+ " to suggest what type of kernel to be loaded. TYPE must be either of"
+ " \"netbsd\", \"freebsd\", \"openbsd\", \"linux\", \"biglinux\" and"
+ " \"multiboot\". The option --no-mem-option tells GRUB not to pass a"
+ " Linux's mem option automatically."},
/* lock is handled separately. */
- {"makeactive", "parttool \"$root\" boot+\n", 0, {}, 0},
+ {"makeactive", "parttool \"$root\" boot+\n", 0, {}, 0, 0
+ "Set the active partition on the root disk to GRUB's root device."
+ " This command is limited to _primary_ PC partitions on a hard disk."},
{"map", "drivemap '%s' '%s'\n", 2, {TYPE_PARTITION, TYPE_PARTITION},
- FLAG_IGNORE_REST},
+ FLAG_IGNORE_REST, "TO_DRIVE FROM_DRIVE",
+ "Map the drive FROM_DRIVE to the drive TO_DRIVE. This is necessary"
+ " when you chain-load some operating systems, such as DOS, if such an"
+ " OS resides at a non-first drive."},
/* md5crypt unsupported. */
- {"module", "legacy_initrd '%s'\n", 1, {TYPE_FILE}, 0},
+ {"module", "legacy_initrd '%s' %s\n", 1, {TYPE_FILE, TYPE_REST_VERBATIM}, 0,
+ "FILE [ARG ...]",
+ "Load a boot module FILE for a Multiboot format boot image (no"
+ " interpretation of the file contents is made, so users of this"
+ " command must know what the kernel in question expects). The"
+ " rest of the line is passed as the \"module command line\", like"
+ " the `kernel' command."},
/* modulenounzip unsupported. */
- {"pager", "set pager=%d\n", 1, {TYPE_BOOL}, 0},
+ /* FIXME: allow toggle. */
+ {"pager", "set pager=%d\n", 1, {TYPE_BOOL}, 0, "[FLAG]",
+ "Toggle pager mode with no argument. If FLAG is given and its value"
+ " is `on', turn on the mode. If FLAG is `off', turn off the mode."},
/* partnew unsupported. */
- {"parttype", "parttool '%s' type=%s\n", 2, {TYPE_PARTITION, TYPE_INT}, 0},
+ {"parttype", "parttool '%s' type=%s\n", 2, {TYPE_PARTITION, TYPE_INT}, 0,
+ "PART TYPE", "Change the type of the partition PART to TYPE."},
/* password unsupported. */ /* NUL_TERMINATE */
/* pause unsupported. */
/* rarp unsupported. */
- {"read", "read_dword %s\n", 1, {TYPE_INT}, 0},
- {"reboot", "reboot\n", 0, {}, 0},
- {"root", "set root='%s'\n", 1, {TYPE_PARTITION}, 0},
- {"rootnoverify", "set root='%s'\n", 1, {TYPE_PARTITION}, 0},
- {"savedefault", "saved_entry=${chosen}; save_env saved_entry\n", 0, {}, 0},
- {"serial", "serial %s\n", 1, {TYPE_REST_VERBATIM}, 0},
+ {"read", "read_dword %s\n", 1, {TYPE_INT}, 0, "ADDR",
+ "Read a 32-bit value from memory at address ADDR and"
+ " display it in hex format."},
+ {"reboot", "reboot\n", 0, {}, 0, 0, "Reboot your system."},
+ /* FIXME: Support HDBIAS. */
+ {"root", "set root='%s'\n", 1, {TYPE_PARTITION}, 0, "[DEVICE [HDBIAS]]",
+ "Set the current \"root device\" to the device DEVICE, then"
+ " attempt to mount it to get the partition size (for passing the"
+ " partition descriptor in `ES:ESI', used by some chain-loaded"
+ " bootloaders), the BSD drive-type (for booting BSD kernels using"
+ " their native boot format), and correctly determine "
+ " the PC partition where a BSD sub-partition is located. The"
+ " optional HDBIAS parameter is a number to tell a BSD kernel"
+ " how many BIOS drive numbers are on controllers before the current"
+ " one. For example, if there is an IDE disk and a SCSI disk, and your"
+ " FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS."},
+ {"rootnoverify", "set root='%s'\n", 1, {TYPE_PARTITION}, 0,
+ "[DEVICE [HDBIAS]]",
+ "Similar to `root', but don't attempt to mount the partition. This"
+ " is useful for when an OS is outside of the area of the disk that"
+ " GRUB can read, but setting the correct root device is still"
+ " desired. Note that the items mentioned in `root' which"
+ " derived from attempting the mount will NOT work correctly."},
+ /* FIXME: support arguments. */
+ {"savedefault", "saved_entry=${chosen}; save_env saved_entry\n", 0, {}, 0,
+ "[NUM | `fallback']",
+ "Save the current entry as the default boot entry if no argument is"
+ " specified. If a number is specified, this number is saved. If"
+ " `fallback' is used, next fallback entry is saved."},
+ {"serial", "serial %s\n", 1, {TYPE_REST_VERBATIM}, 0,
+ "[--unit=UNIT] [--port=PORT] [--speed=SPEED] [--word=WORD] "
+ "[--parity=PARITY] [--stop=STOP] [--device=DEV]",
+ "Initialize a serial device. UNIT is a digit that specifies which serial"
+ " device is used (e.g. 0 == COM1). If you need to specify the port number,"
+ " set it by --port. SPEED is the DTE-DTE speed. WORD is the word length,"
+ " PARITY is the type of parity, which is one of `no', `odd' and `even'."
+ " STOP is the length of stop bit(s). The option --device can be used only"
+ " in the grub shell, which specifies the file name of a tty device. The"
+ " default values are COM1, 9600, 8N1."},
/* setkey unsupported. */ /* NUL_TERMINATE */
/* setup unsupported. */
/* terminal unsupported. */ /* NUL_TERMINATE */
/* testload unsupported. */
/* testvbe unsupported. */
/* tftpserver unsupported. */
- {"timeout", "set timeout=%s\n", 1, {TYPE_INT}, 0},
+ {"timeout", "set timeout=%s\n", 1, {TYPE_INT}, 0, "SEC",
+ "Set a timeout, in SEC seconds, before automatically booting the"
+ " default entry (normally the first entry defined)."},
/* title is handled separately. */
- {"unhide", "parttool '%s' hidden-\n", 1, {TYPE_PARTITION}, 0},
+ {"unhide", "parttool '%s' hidden-\n", 1, {TYPE_PARTITION}, 0, "PARTITION",
+ "Unhide PARTITION by clearing the \"hidden\" bit in its"
+ " partition type code."},
/* uppermem unsupported. */
- {"uuid", "search -u '%s'\n", 1, {TYPE_VERBATIM}, 0},
+ {"uuid", "search -u '%s'\n", 1, {TYPE_VERBATIM}, 0, "UUID",
+ "Find root by UUID"},
/* vbeprobe unsupported. */
};