2007-05-16 Robert Millan <rmh@aybabtu.com>
* include/grub/i386/pc/util/biosdisk.h: Moved to ... * include/grub/util/biosdisk.h: ... here. * util/i386/pc/biosdisk.c: Moved to ... * util/biosdisk.c: ... here. * util/i386/pc/getroot.c: Moved to ... * util/getroot.c: ... here. * util/i386/pc/grub-mkdevicemap.c: Moved to ... * util/grub-mkdevicemap.c: ... here. * util/i386/pc/grub-probe.c: Moved to ... * util/grub-probe.c: ... here.
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robertmh
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6 changed files with 13 additions and 0 deletions
303
util/grub-probe.c
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303
util/grub-probe.c
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/* grub-probe.c - probe device information for a given path */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2005,2006 Free Software Foundation, Inc.
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*
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* GRUB is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <config.h>
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#include <grub/types.h>
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#include <grub/util/misc.h>
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#include <grub/device.h>
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#include <grub/disk.h>
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#include <grub/fs.h>
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#include <grub/partition.h>
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#include <grub/pc_partition.h>
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#include <grub/machine/util/biosdisk.h>
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#include <grub/util/getroot.h>
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#include <grub/term.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#define _GNU_SOURCE 1
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#include <getopt.h>
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#ifdef __NetBSD__
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/* NetBSD uses /boot for its boot block. */
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# define DEFAULT_DIRECTORY "/grub"
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#else
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# define DEFAULT_DIRECTORY "/boot/grub"
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#endif
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#define DEFAULT_DEVICE_MAP DEFAULT_DIRECTORY "/device.map"
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#define PRINT_FS 0
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#define PRINT_DRIVE 1
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#define PRINT_DEVICE 2
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#define PRINT_PARTMAP 3
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int print = PRINT_FS;
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void
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grub_putchar (int c)
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{
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putchar (c);
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}
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int
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grub_getkey (void)
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{
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return -1;
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}
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grub_term_t
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grub_term_get_current (void)
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{
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return 0;
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}
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void
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grub_refresh (void)
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{
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}
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static void
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probe (const char *path)
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{
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char *device_name;
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char *drive_name = 0;
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grub_device_t dev;
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grub_fs_t fs;
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device_name = grub_guess_root_device (path);
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if (! device_name)
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{
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fprintf (stderr, "cannot find a device for %s.\n", path);
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goto end;
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}
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if (print == PRINT_DEVICE)
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{
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printf ("%s\n", device_name);
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goto end;
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}
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if (device_name[0] == 'm' && device_name[1] == 'd'
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&& device_name[2] >= '0' && device_name[2] <= '9')
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{
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drive_name = xstrdup (device_name);
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}
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else
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{
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drive_name = grub_util_biosdisk_get_grub_dev (device_name);
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if (! drive_name)
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{
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fprintf (stderr, "cannot find a GRUB drive for %s.\n", device_name);
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goto end;
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}
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}
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if (print == PRINT_DRIVE)
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{
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printf ("(%s)\n", drive_name);
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goto end;
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}
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grub_util_info ("opening %s", drive_name);
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dev = grub_device_open (drive_name);
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if (! dev)
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grub_util_error ("%s", grub_errmsg);
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if (print == PRINT_PARTMAP)
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{
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if (dev->disk->partition == NULL)
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grub_util_error ("Cannot detect partition map for %s", drive_name);
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if (strcmp (dev->disk->partition->partmap->name, "amiga_partition_map") == 0)
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printf ("amiga\n");
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else if (strcmp (dev->disk->partition->partmap->name, "apple_partition_map") == 0)
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printf ("apple\n");
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else if (strcmp (dev->disk->partition->partmap->name, "gpt_partition_map") == 0)
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printf ("gpt\n");
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else if (strcmp (dev->disk->partition->partmap->name, "pc_partition_map") == 0)
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printf ("pc\n");
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else if (strcmp (dev->disk->partition->partmap->name, "sun_partition_map") == 0)
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printf ("sun\n");
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else
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grub_util_error ("Unknown partition map %s", dev->disk->partition->partmap->name);
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goto end;
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}
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fs = grub_fs_probe (dev);
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if (! fs)
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grub_util_error ("%s", grub_errmsg);
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printf ("%s\n", fs->name);
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grub_device_close (dev);
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end:
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free (device_name);
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free (drive_name);
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}
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static struct option options[] =
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{
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{"device-map", required_argument, 0, 'm'},
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{"target", required_argument, 0, 't'},
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{"help", no_argument, 0, 'h'},
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{"version", no_argument, 0, 'V'},
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{"verbose", no_argument, 0, 'v'},
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{0, 0, 0, 0}
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};
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static void
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usage (int status)
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{
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if (status)
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fprintf (stderr,
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"Try ``grub-probe --help'' for more information.\n");
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else
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printf ("\
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Usage: grub-probe [OPTION]... PATH\n\
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\n\
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Probe device information for a given path.\n\
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\n\
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-m, --device-map=FILE use FILE as the device map [default=%s]\n\
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-t, --target=(fs|drive|device|partmap)\n\
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print filesystem module, GRUB drive, system device or partition map module [default=fs]\n\
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-h, --help display this message and exit\n\
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-V, --version print version information and exit\n\
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-v, --verbose print verbose messages\n\
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\n\
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Report bugs to <%s>.\n\
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",
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DEFAULT_DEVICE_MAP, PACKAGE_BUGREPORT);
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exit (status);
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}
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int
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main (int argc, char *argv[])
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{
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char *dev_map = 0;
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char *path;
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progname = "grub-probe";
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/* Check for options. */
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while (1)
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{
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int c = getopt_long (argc, argv, "m:t:hVv", options, 0);
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if (c == -1)
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break;
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else
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switch (c)
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{
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case 'm':
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if (dev_map)
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free (dev_map);
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dev_map = xstrdup (optarg);
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break;
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case 't':
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if (!strcmp (optarg, "fs"))
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print = PRINT_FS;
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else if (!strcmp (optarg, "drive"))
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print = PRINT_DRIVE;
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else if (!strcmp (optarg, "device"))
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print = PRINT_DEVICE;
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else if (!strcmp (optarg, "partmap"))
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print = PRINT_PARTMAP;
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else
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usage (1);
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break;
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case 'h':
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usage (0);
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break;
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case 'V':
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printf ("%s (%s) %s\n", progname, PACKAGE_NAME, PACKAGE_VERSION);
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return 0;
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case 'v':
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verbosity++;
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break;
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default:
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usage (1);
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break;
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}
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}
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/* Obtain PATH. */
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if (optind >= argc)
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{
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fprintf (stderr, "No path is specified.\n");
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usage (1);
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}
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if (optind + 1 != argc)
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{
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fprintf (stderr, "Unknown extra argument `%s'.\n", argv[optind + 1]);
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usage (1);
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}
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path = argv[optind];
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/* Initialize the emulated biosdisk driver. */
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grub_util_biosdisk_init (dev_map ? : DEFAULT_DEVICE_MAP);
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grub_pc_partition_map_init ();
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grub_gpt_partition_map_init ();
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grub_raid_init ();
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grub_lvm_init ();
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/* Initialize filesystems. */
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grub_fat_init ();
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grub_ext2_init ();
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grub_ufs_init ();
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grub_minix_init ();
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grub_jfs_init ();
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grub_xfs_init ();
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/* Do it. */
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probe (path);
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/* Free resources. */
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grub_ext2_fini ();
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grub_fat_fini ();
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grub_ufs_fini ();
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grub_minix_fini ();
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grub_jfs_fini ();
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grub_xfs_fini ();
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grub_lvm_fini ();
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grub_raid_fini ();
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grub_gpt_partition_map_fini ();
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grub_pc_partition_map_fini ();
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grub_util_biosdisk_fini ();
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free (dev_map);
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return 0;
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}
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