2009-04-22 09:57:39 +00:00
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/* grub-setup.c - make GRUB usable */
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/*
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* GRUB -- GRand Unified Bootloader
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2010-01-01 20:32:30 +00:00
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* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
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2009-04-22 09:57:39 +00:00
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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 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <grub/types.h>
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2010-05-06 06:04:04 +00:00
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#include <grub/emu/misc.h>
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2009-04-22 09:57:39 +00:00
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#include <grub/util/misc.h>
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#include <grub/device.h>
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2009-12-03 11:18:56 +00:00
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#include <grub/i18n.h>
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2009-04-22 09:57:39 +00:00
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#include <grub/disk.h>
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#include <grub/file.h>
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#include <grub/fs.h>
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#include <grub/partition.h>
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2009-08-23 Robert Millan <rmh.grub@aybabtu.com>
* partmap/pc.c: Rename to ...
* partmap/msdos.c: ... this. Update all users.
(grub_pc_partition_map): Rename to ...
(grub_msdos_partition_map): ... this. Update all users.
* parttool/pcpart.c: Rename to ...
* parttool/msdospart.c: ... this. Update all users.
* include/grub/pc_partition.h: Rename to ...
* include/grub/msdos_partition.h: ... this. Update all users.
(grub_pc_partition_bsd_entry): Rename to ...
(grub_msdos_partition_bsd_entry): ... this. Update all users.
(grub_pc_partition_disk_label): Rename to ...
(grub_msdos_partition_disk_label): ... this. Update all users.
(grub_pc_partition_entry): Rename to ...
(grub_msdos_partition_entry): ... this. Update all users.
(grub_pc_partition_mbr): Rename to ...
(grub_msdos_partition_mbr): ... this. Update all users.
(grub_pc_partition): Rename to ...
(grub_msdos_partition): ... this. Update all users.
(grub_pc_partition_is_empty): Rename to ...
(grub_msdos_partition_is_empty): ... this. Update all users.
(grub_pc_partition_is_extended): Rename to ...
(grub_msdos_partition_is_extended): ... this. Update all users.
(grub_pc_partition_is_bsd): Rename to ...
(grub_msdos_partition_is_bsd): ... this. Update all users.
* conf/common.rmk (amiga_mod_SOURCES, amiga_mod_CFLAGS)
(amiga_mod_LDFLAGS, apple_mod_SOURCES, apple_mod_CFLAGS)
(apple_mod_LDFLAGS, msdos_mod_SOURCES, msdos_mod_CFLAGS)
(msdos_mod_LDFLAGS, sun_mod_SOURCES, sun_mod_CFLAGS)
(sun_mod_LDFLAGS, acorn_mod_SOURCES, acorn_mod_CFLAGS)
(acorn_mod_LDFLAGS, gpt_mod_SOURCES, gpt_mod_CFLAGS)
(gpt_mod_LDFLAGS): Rename to ...
(part_amiga_mod_SOURCES, part_amiga_mod_CFLAGS, part_amiga_mod_LDFLAGS)
(part_apple_mod_SOURCES, part_apple_mod_CFLAGS, part_apple_mod_LDFLAGS)
(part_msdos_mod_SOURCES, part_msdos_mod_CFLAGS, part_msdos_mod_LDFLAGS)
(part_sun_mod_SOURCES, part_sun_mod_CFLAGS, part_sun_mod_LDFLAGS)
(part_acorn_mod_SOURCES, part_acorn_mod_CFLAGS, part_acorn_mod_LDFLAGS)
(part_gpt_mod_SOURCES, part_gpt_mod_CFLAGS)
(part_gpt_mod_LDFLAGS): ... this.
(pkglib_MODULES): Prefix partition modules with `part_'. Rename
`pcpart.mod' to `msdospart.mod'.
(pcpart_mod_SOURCES, pcpart_mod_CFLAGS, pcpart_mod_LDFLAGS): Rename
to ...
(msdospart_mod_SOURCES, msdospart_mod_CFLAGS)
(msdospart_mod_LDFLAGS): ... this.
2009-08-23 12:00:57 +00:00
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#include <grub/msdos_partition.h>
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2009-04-22 09:57:39 +00:00
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#include <grub/gpt_partition.h>
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#include <grub/env.h>
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2010-05-06 06:04:04 +00:00
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#include <grub/emu/hostdisk.h>
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2009-04-22 09:57:39 +00:00
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#include <grub/machine/boot.h>
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#include <grub/machine/kernel.h>
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#include <grub/term.h>
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#include <grub/util/raid.h>
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#include <grub/util/lvm.h>
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2010-04-18 12:02:13 +00:00
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#include <grub/util/ofpath.h>
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2009-04-22 09:57:39 +00:00
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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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#include <sys/types.h>
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#include <sys/stat.h>
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#include <dirent.h>
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2010-05-06 06:04:04 +00:00
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#include <grub/emu/getroot.h>
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2009-04-22 09:57:39 +00:00
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#define _GNU_SOURCE 1
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#include <getopt.h>
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2009-12-03 11:18:56 +00:00
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#include "progname.h"
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2009-04-22 09:57:39 +00:00
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/* This program fills in various fields inside of the 'boot' and 'core'
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* image files.
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*
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* The 'boot' image needs to know the OBP path name of the root
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* device. It also needs to know the initial block number of
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* 'core' (which is 'diskboot' concatenated with 'kernel' and
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* all the modules, this is created by grub-mkimage). This resulting
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2009-05-04 23:13:53 +00:00
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* 'boot' image is 512 bytes in size and is placed in the second block
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2009-04-22 09:57:39 +00:00
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* of a partition.
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*
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* The initial 'diskboot' block acts as a loader for the actual GRUB
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* kernel. It contains the loading code and then a block list.
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*
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* The block list of 'core' starts at the end of the 'diskboot' image
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* and works it's way backwards towards the end of the code of 'diskboot'.
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*
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* We patch up the images with the necessary values and write out the
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* result.
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*/
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#define DEFAULT_BOOT_FILE "boot.img"
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#define DEFAULT_CORE_FILE "core.img"
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2010-04-26 19:11:16 +00:00
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#define grub_target_to_host16(x) grub_be_to_cpu16(x)
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#define grub_target_to_host32(x) grub_be_to_cpu32(x)
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#define grub_target_to_host64(x) grub_be_to_cpu64(x)
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#define grub_host_to_target16(x) grub_cpu_to_be16(x)
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#define grub_host_to_target32(x) grub_cpu_to_be32(x)
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#define grub_host_to_target64(x) grub_cpu_to_be64(x)
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2009-04-22 09:57:39 +00:00
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/* This is the blocklist used in the diskboot image. */
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struct boot_blocklist
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{
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grub_uint64_t start;
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grub_uint32_t len;
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} __attribute__ ((packed));
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static void
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setup (const char *prefix, const char *dir,
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const char *boot_file, const char *core_file,
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const char *root, const char *dest)
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{
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char *boot_path, *core_path;
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char *boot_img, *core_img;
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size_t boot_size, core_size;
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grub_uint16_t core_sectors;
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grub_device_t root_dev, dest_dev;
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2010-04-18 14:35:08 +00:00
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char *boot_devpath;
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2010-04-18 16:22:58 +00:00
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grub_disk_addr_t *kernel_byte;
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2009-04-22 09:57:39 +00:00
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struct boot_blocklist *first_block, *block;
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char *tmp_img;
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int i;
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grub_disk_addr_t first_sector;
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grub_uint16_t last_length = GRUB_DISK_SECTOR_SIZE;
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grub_file_t file;
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FILE *fp;
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struct { grub_uint64_t start; grub_uint64_t end; } embed_region;
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embed_region.start = embed_region.end = ~0UL;
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auto void NESTED_FUNC_ATTR save_first_sector (grub_disk_addr_t sector,
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unsigned int offset,
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unsigned int length);
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auto void NESTED_FUNC_ATTR save_blocklists (grub_disk_addr_t sector,
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unsigned int offset,
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unsigned int length);
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void NESTED_FUNC_ATTR save_first_sector (grub_disk_addr_t sector,
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unsigned int offset,
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unsigned int length)
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{
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grub_util_info ("first sector is <%llu,%u,%u>", sector, offset, length);
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if (offset != 0 || length != GRUB_DISK_SECTOR_SIZE)
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2010-01-16 00:26:52 +00:00
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grub_util_error ("the first sector of the core file "
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2009-04-22 09:57:39 +00:00
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"is not sector-aligned");
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first_sector = sector;
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}
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void NESTED_FUNC_ATTR save_blocklists (grub_disk_addr_t sector,
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unsigned int offset,
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unsigned int length)
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{
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struct boot_blocklist *prev = block + 1;
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grub_util_info ("saving <%llu,%u,%u>", sector, offset, length);
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if (offset != 0 || last_length != GRUB_DISK_SECTOR_SIZE)
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2010-01-16 00:26:52 +00:00
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grub_util_error ("non-sector-aligned data is found in the core file");
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2009-04-22 09:57:39 +00:00
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if (block != first_block
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&& (grub_be_to_cpu64 (prev->start)
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+ grub_be_to_cpu16 (prev->len)) == sector)
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prev->len = grub_cpu_to_be16 (grub_be_to_cpu16 (prev->len) + 1);
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else
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{
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block->start = grub_cpu_to_be64 (sector);
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block->len = grub_cpu_to_be16 (1);
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block--;
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if (block->len)
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2010-01-16 00:26:52 +00:00
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grub_util_error ("the sectors of the core file are too fragmented");
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2009-04-22 09:57:39 +00:00
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}
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last_length = length;
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}
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/* Read the boot image by the OS service. */
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boot_path = grub_util_get_path (dir, boot_file);
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boot_size = grub_util_get_image_size (boot_path);
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if (boot_size != GRUB_DISK_SECTOR_SIZE)
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2010-01-16 00:26:52 +00:00
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grub_util_error ("the size of `%s' is not %d",
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2009-04-22 09:57:39 +00:00
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boot_path, GRUB_DISK_SECTOR_SIZE);
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boot_img = grub_util_read_image (boot_path);
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free (boot_path);
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/* Set the addresses of variables in the boot image. */
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boot_devpath = (char *) (boot_img
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+ GRUB_BOOT_AOUT_HEADER_SIZE
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+ GRUB_BOOT_MACHINE_BOOT_DEVPATH);
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2010-04-18 16:22:58 +00:00
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kernel_byte = (grub_disk_addr_t *) (boot_img
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+ GRUB_BOOT_AOUT_HEADER_SIZE
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+ GRUB_BOOT_MACHINE_KERNEL_BYTE);
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2009-04-22 09:57:39 +00:00
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core_path = grub_util_get_path (dir, core_file);
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core_size = grub_util_get_image_size (core_path);
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core_sectors = ((core_size + GRUB_DISK_SECTOR_SIZE - 1)
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>> GRUB_DISK_SECTOR_BITS);
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if (core_size < GRUB_DISK_SECTOR_SIZE)
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2010-01-16 00:26:52 +00:00
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grub_util_error ("the size of `%s' is too small", core_path);
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2009-04-22 09:57:39 +00:00
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core_img = grub_util_read_image (core_path);
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free (core_path);
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/* Have FIRST_BLOCK to point to the first blocklist. */
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first_block = (struct boot_blocklist *) (core_img
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+ GRUB_DISK_SECTOR_SIZE
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- sizeof (*block));
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2010-04-18 12:02:13 +00:00
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grub_util_info ("root is `%s', dest is `%s'", root, dest);
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2009-04-22 09:57:39 +00:00
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/* Open the root device and the destination device. */
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grub_util_info ("Opening root");
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root_dev = grub_device_open (root);
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if (! root_dev)
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grub_util_error ("%s", grub_errmsg);
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grub_util_info ("Opening dest");
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dest_dev = grub_device_open (dest);
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if (! dest_dev)
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grub_util_error ("%s", grub_errmsg);
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grub_util_info ("setting the root device to `%s'", root);
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if (grub_env_set ("root", root) != GRUB_ERR_NONE)
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grub_util_error ("%s", grub_errmsg);
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/* The core image must be put on a filesystem unfortunately. */
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grub_util_info ("will leave the core image on the filesystem");
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/* Make sure that GRUB reads the identical image as the OS. */
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tmp_img = xmalloc (core_size);
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core_path = grub_util_get_path (prefix, core_file);
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/* It is a Good Thing to sync two times. */
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sync ();
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sync ();
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#define MAX_TRIES 5
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for (i = 0; i < MAX_TRIES; i++)
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{
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grub_util_info ("attempting to read the core image `%s' from GRUB%s",
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core_path, (i == 0) ? "" : " again");
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grub_disk_cache_invalidate_all ();
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2010-09-05 11:05:36 +00:00
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grub_file_filter_disable_compression ();
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2009-04-22 09:57:39 +00:00
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file = grub_file_open (core_path);
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if (file)
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{
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if (grub_file_size (file) != core_size)
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grub_util_info ("succeeded in opening the core image but the size is different (%d != %d)",
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(int) grub_file_size (file), (int) core_size);
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else if (grub_file_read (file, tmp_img, core_size)
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!= (grub_ssize_t) core_size)
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grub_util_info ("succeeded in opening the core image but cannot read %d bytes",
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(int) core_size);
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else if (memcmp (core_img, tmp_img, core_size) != 0)
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{
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#if 0
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FILE *dump;
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FILE *dump2;
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dump = fopen ("dump.img", "wb");
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if (dump)
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{
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fwrite (tmp_img, 1, core_size, dump);
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fclose (dump);
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}
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dump2 = fopen ("dump2.img", "wb");
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if (dump2)
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{
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fwrite (core_img, 1, core_size, dump2);
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fclose (dump2);
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}
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#endif
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grub_util_info ("succeeded in opening the core image but the data is different");
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}
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else
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{
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grub_file_close (file);
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break;
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}
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grub_file_close (file);
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}
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else
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grub_util_info ("couldn't open the core image");
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if (grub_errno)
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grub_util_info ("error message = %s", grub_errmsg);
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grub_errno = GRUB_ERR_NONE;
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sync ();
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sleep (1);
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}
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if (i == MAX_TRIES)
|
2010-01-16 00:26:52 +00:00
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|
|
grub_util_error ("cannot read `%s' correctly", core_path);
|
2009-04-22 09:57:39 +00:00
|
|
|
|
|
|
|
/* Clean out the blocklists. */
|
|
|
|
block = first_block;
|
|
|
|
while (block->len)
|
|
|
|
{
|
|
|
|
block->start = 0;
|
|
|
|
block->len = 0;
|
|
|
|
|
|
|
|
block--;
|
|
|
|
|
|
|
|
if ((char *) block <= core_img)
|
2010-01-16 00:26:52 +00:00
|
|
|
grub_util_error ("no terminator in the core image");
|
2009-04-22 09:57:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Now read the core image to determine where the sectors are. */
|
2010-09-05 11:05:36 +00:00
|
|
|
grub_file_filter_disable_compression ();
|
2009-04-22 09:57:39 +00:00
|
|
|
file = grub_file_open (core_path);
|
|
|
|
if (! file)
|
|
|
|
grub_util_error ("%s", grub_errmsg);
|
|
|
|
|
|
|
|
file->read_hook = save_first_sector;
|
|
|
|
if (grub_file_read (file, tmp_img, GRUB_DISK_SECTOR_SIZE)
|
|
|
|
!= GRUB_DISK_SECTOR_SIZE)
|
2010-01-16 00:26:52 +00:00
|
|
|
grub_util_error ("failed to read the first sector of the core image");
|
2009-04-22 09:57:39 +00:00
|
|
|
|
|
|
|
block = first_block;
|
|
|
|
file->read_hook = save_blocklists;
|
|
|
|
if (grub_file_read (file, tmp_img, core_size - GRUB_DISK_SECTOR_SIZE)
|
|
|
|
!= (grub_ssize_t) core_size - GRUB_DISK_SECTOR_SIZE)
|
2010-01-16 00:26:52 +00:00
|
|
|
grub_util_error ("failed to read the rest sectors of the core image");
|
2009-04-22 09:57:39 +00:00
|
|
|
|
2010-04-18 14:35:08 +00:00
|
|
|
if (file->device->disk->id != dest_dev->disk->id)
|
|
|
|
{
|
|
|
|
const char *dest_ofpath;
|
|
|
|
dest_ofpath
|
|
|
|
= grub_util_devname_to_ofpath (grub_util_biosdisk_get_osdev (file->device->disk));
|
|
|
|
grub_util_info ("dest_ofpath is `%s'", dest_ofpath);
|
|
|
|
strncpy (boot_devpath, dest_ofpath, GRUB_BOOT_MACHINE_BOOT_DEVPATH_END
|
|
|
|
- GRUB_BOOT_MACHINE_BOOT_DEVPATH - 1);
|
|
|
|
boot_devpath[GRUB_BOOT_MACHINE_BOOT_DEVPATH_END
|
|
|
|
- GRUB_BOOT_MACHINE_BOOT_DEVPATH - 1] = 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
grub_util_info ("non cross-disk install");
|
|
|
|
memset (boot_devpath, 0, GRUB_BOOT_MACHINE_BOOT_DEVPATH_END
|
|
|
|
- GRUB_BOOT_MACHINE_BOOT_DEVPATH);
|
|
|
|
}
|
|
|
|
|
2009-04-22 09:57:39 +00:00
|
|
|
grub_file_close (file);
|
|
|
|
|
|
|
|
free (core_path);
|
|
|
|
free (tmp_img);
|
|
|
|
|
2010-04-18 16:22:58 +00:00
|
|
|
*kernel_byte = grub_cpu_to_be64 (first_sector << GRUB_DISK_SECTOR_BITS);
|
2009-04-22 09:57:39 +00:00
|
|
|
|
|
|
|
grub_util_info ("boot device path %s, prefix is %s, dest is %s",
|
|
|
|
boot_devpath, prefix, dest);
|
|
|
|
|
|
|
|
/* Write the first two sectors of the core image onto the disk. */
|
|
|
|
core_path = grub_util_get_path (dir, core_file);
|
|
|
|
grub_util_info ("opening the core image `%s'", core_path);
|
|
|
|
fp = fopen (core_path, "r+b");
|
|
|
|
if (! fp)
|
2010-01-16 00:26:52 +00:00
|
|
|
grub_util_error ("cannot open `%s'", core_path);
|
2009-04-22 09:57:39 +00:00
|
|
|
|
|
|
|
grub_util_write_image (core_img, GRUB_DISK_SECTOR_SIZE, fp);
|
|
|
|
fclose (fp);
|
|
|
|
free (core_path);
|
|
|
|
|
|
|
|
/* Write the boot image onto the disk. */
|
|
|
|
if (grub_disk_write (dest_dev->disk, 1, 0, GRUB_DISK_SECTOR_SIZE, boot_img))
|
|
|
|
grub_util_error ("%s", grub_errmsg);
|
|
|
|
|
|
|
|
/* Sync is a Good Thing. */
|
|
|
|
sync ();
|
|
|
|
|
|
|
|
free (core_img);
|
|
|
|
free (boot_img);
|
|
|
|
grub_device_close (dest_dev);
|
|
|
|
grub_device_close (root_dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct option options[] =
|
|
|
|
{
|
|
|
|
{"boot-image", required_argument, 0, 'b'},
|
|
|
|
{"core-image", required_argument, 0, 'c'},
|
|
|
|
{"directory", required_argument, 0, 'd'},
|
|
|
|
{"device-map", required_argument, 0, 'm'},
|
|
|
|
{"root-device", required_argument, 0, 'r'},
|
|
|
|
{"help", no_argument, 0, 'h'},
|
|
|
|
{"version", no_argument, 0, 'V'},
|
|
|
|
{"verbose", no_argument, 0, 'v'},
|
|
|
|
{0, 0, 0, 0}
|
|
|
|
};
|
|
|
|
|
|
|
|
static void
|
|
|
|
usage (int status)
|
|
|
|
{
|
|
|
|
if (status)
|
2010-01-16 00:26:52 +00:00
|
|
|
fprintf (stderr, "Try `%s --help' for more information.\n", program_name);
|
2009-04-22 09:57:39 +00:00
|
|
|
else
|
|
|
|
printf ("\
|
2009-11-25 23:10:02 +00:00
|
|
|
Usage: %s [OPTION]... DEVICE\n\
|
2009-04-22 09:57:39 +00:00
|
|
|
\n\
|
|
|
|
Set up images to boot from DEVICE.\n\
|
2010-01-16 00:26:52 +00:00
|
|
|
DEVICE must be a GRUB device (e.g. `(hd0,1)').\n\
|
2010-06-17 20:20:43 +00:00
|
|
|
\n\
|
2010-06-17 20:49:50 +00:00
|
|
|
You should not normally run %s directly. Use grub-install instead.\n\
|
2009-04-22 09:57:39 +00:00
|
|
|
\n\
|
|
|
|
-b, --boot-image=FILE use FILE as the boot image [default=%s]\n\
|
|
|
|
-c, --core-image=FILE use FILE as the core image [default=%s]\n\
|
|
|
|
-d, --directory=DIR use GRUB files in the directory DIR [default=%s]\n\
|
|
|
|
-m, --device-map=FILE use FILE as the device map [default=%s]\n\
|
|
|
|
-r, --root-device=DEV use DEV as the root device [default=guessed]\n\
|
|
|
|
-h, --help display this message and exit\n\
|
|
|
|
-V, --version print version information and exit\n\
|
|
|
|
-v, --verbose print verbose messages\n\
|
|
|
|
\n\
|
|
|
|
Report bugs to <%s>.\n\
|
2010-06-17 20:54:04 +00:00
|
|
|
", program_name, program_name,
|
2009-04-22 09:57:39 +00:00
|
|
|
DEFAULT_BOOT_FILE, DEFAULT_CORE_FILE, DEFAULT_DIRECTORY,
|
|
|
|
DEFAULT_DEVICE_MAP, PACKAGE_BUGREPORT);
|
|
|
|
|
|
|
|
exit (status);
|
|
|
|
}
|
|
|
|
|
|
|
|
struct grub_setup_info
|
|
|
|
{
|
|
|
|
char *boot_file;
|
|
|
|
char *core_file;
|
|
|
|
char *dir;
|
|
|
|
char *dev_map;
|
|
|
|
char *root_dev;
|
|
|
|
char *prefix;
|
|
|
|
char *dest_dev;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void
|
|
|
|
init_info (struct grub_setup_info *gp)
|
|
|
|
{
|
|
|
|
gp->boot_file = NULL;
|
|
|
|
gp->core_file = NULL;
|
|
|
|
gp->dir = NULL;
|
|
|
|
gp->dev_map = NULL;
|
|
|
|
gp->root_dev = NULL;
|
|
|
|
gp->prefix = NULL;
|
2010-04-18 18:38:40 +00:00
|
|
|
gp->dest_dev = NULL;
|
2009-04-22 09:57:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
parse_options (struct grub_setup_info *gp, int argc, char *argv[])
|
|
|
|
{
|
|
|
|
while (1)
|
|
|
|
{
|
|
|
|
int c = getopt_long (argc, argv, "b:c:d:m:r:hVv", options, 0);
|
|
|
|
|
|
|
|
if (c == -1)
|
|
|
|
break;
|
|
|
|
else
|
|
|
|
switch (c)
|
|
|
|
{
|
|
|
|
case 'b':
|
|
|
|
if (gp->boot_file)
|
|
|
|
free (gp->boot_file);
|
|
|
|
|
|
|
|
gp->boot_file = xstrdup (optarg);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'c':
|
|
|
|
if (gp->core_file)
|
|
|
|
free (gp->core_file);
|
|
|
|
|
|
|
|
gp->core_file = xstrdup (optarg);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'd':
|
|
|
|
if (gp->dir)
|
|
|
|
free (gp->dir);
|
|
|
|
|
|
|
|
gp->dir = xstrdup (optarg);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'm':
|
|
|
|
if (gp->dev_map)
|
|
|
|
free (gp->dev_map);
|
|
|
|
|
|
|
|
gp->dev_map = xstrdup (optarg);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'r':
|
|
|
|
if (gp->root_dev)
|
|
|
|
free (gp->root_dev);
|
|
|
|
|
|
|
|
gp->root_dev = xstrdup (optarg);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'h':
|
|
|
|
usage (0);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'V':
|
2010-06-08 10:52:42 +00:00
|
|
|
printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
|
2009-04-22 09:57:39 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
case 'v':
|
|
|
|
verbosity++;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
usage (1);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (verbosity > 1)
|
|
|
|
grub_env_set ("debug", "all");
|
|
|
|
|
|
|
|
if (optind >= argc)
|
|
|
|
{
|
|
|
|
fprintf (stderr, "No device is specified.\n");
|
|
|
|
usage (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (optind + 1 != argc)
|
|
|
|
{
|
|
|
|
fprintf (stderr, "Unknown extra argument `%s'.\n", argv[optind + 1]);
|
|
|
|
usage (1);
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static char *
|
|
|
|
get_device_name (char *dev)
|
|
|
|
{
|
|
|
|
size_t len = strlen (dev);
|
|
|
|
|
|
|
|
if (dev[0] != '(' || dev[len - 1] != ')')
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
dev[len - 1] = '\0';
|
|
|
|
return dev + 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
find_dest_dev (struct grub_setup_info *gp, char *argv[])
|
|
|
|
{
|
|
|
|
gp->dest_dev = get_device_name (argv[optind]);
|
|
|
|
if (! gp->dest_dev)
|
|
|
|
{
|
|
|
|
/* Possibly, the user specified an OS device file. */
|
|
|
|
gp->dest_dev = grub_util_get_grub_dev (argv[optind]);
|
|
|
|
if (! gp->dest_dev)
|
|
|
|
{
|
|
|
|
fprintf (stderr, "Invalid device `%s'.\n", argv[optind]);
|
|
|
|
usage (1);
|
|
|
|
}
|
2010-01-16 00:26:52 +00:00
|
|
|
grub_util_info ("transformed OS device `%s' into GRUB device `%s'",
|
2009-04-22 09:57:39 +00:00
|
|
|
argv[optind], gp->dest_dev);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* For simplicity. */
|
|
|
|
gp->dest_dev = xstrdup (gp->dest_dev);
|
2010-01-16 00:26:52 +00:00
|
|
|
grub_util_info ("Using `%s' as GRUB device", gp->dest_dev);
|
2009-04-22 09:57:39 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
check_root_dev (struct grub_setup_info *gp)
|
|
|
|
{
|
|
|
|
if (gp->root_dev)
|
|
|
|
{
|
|
|
|
char *tmp = get_device_name (gp->root_dev);
|
|
|
|
|
|
|
|
if (! tmp)
|
2010-01-16 00:26:52 +00:00
|
|
|
grub_util_error ("invalid root device `%s'", gp->root_dev);
|
2009-04-22 09:57:39 +00:00
|
|
|
|
|
|
|
tmp = xstrdup (tmp);
|
|
|
|
free (gp->root_dev);
|
|
|
|
gp->root_dev = tmp;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
char *dir = gp->dir ? gp->dir : DEFAULT_DIRECTORY;
|
|
|
|
char *root_device = grub_guess_root_device (dir);
|
|
|
|
|
|
|
|
gp->root_dev = grub_util_get_grub_dev (root_device);
|
|
|
|
if (! gp->root_dev)
|
|
|
|
{
|
|
|
|
grub_util_info ("guessing the root device failed, because of `%s'",
|
|
|
|
grub_errmsg);
|
2010-01-16 00:26:52 +00:00
|
|
|
grub_util_error ("cannot guess the root device. "
|
|
|
|
"Specify the option `--root-device'");
|
2009-04-22 09:57:39 +00:00
|
|
|
}
|
2010-01-16 00:26:52 +00:00
|
|
|
grub_util_info ("guessed root device `%s' and root_dev `%s' from "
|
|
|
|
"dir `%s'", root_device, gp->root_dev, dir);
|
2009-04-22 09:57:39 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
free_memory (struct grub_setup_info *gp)
|
|
|
|
{
|
|
|
|
free (gp->boot_file);
|
|
|
|
free (gp->core_file);
|
|
|
|
free (gp->dir);
|
|
|
|
free (gp->dev_map);
|
|
|
|
free (gp->root_dev);
|
|
|
|
free (gp->prefix);
|
|
|
|
free (gp->dest_dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
main (int argc, char *argv[])
|
|
|
|
{
|
|
|
|
struct grub_setup_info ginfo;
|
|
|
|
|
2009-11-25 23:10:02 +00:00
|
|
|
set_program_name (argv[0]);
|
2010-01-01 20:32:30 +00:00
|
|
|
|
|
|
|
grub_util_init_nls ();
|
2009-04-22 09:57:39 +00:00
|
|
|
|
|
|
|
init_info (&ginfo);
|
|
|
|
if (!parse_options (&ginfo, argc, argv))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Initialize the emulated biosdisk driver. */
|
|
|
|
grub_util_biosdisk_init (ginfo.dev_map ? ginfo.dev_map : DEFAULT_DEVICE_MAP);
|
|
|
|
|
|
|
|
/* Initialize all modules. */
|
|
|
|
grub_init_all ();
|
|
|
|
|
2010-09-05 21:24:57 +00:00
|
|
|
grub_lvm_fini ();
|
|
|
|
grub_mdraid_fini ();
|
|
|
|
grub_raid_fini ();
|
|
|
|
grub_raid_init ();
|
|
|
|
grub_mdraid_init ();
|
|
|
|
grub_lvm_init ();
|
|
|
|
|
2009-04-22 09:57:39 +00:00
|
|
|
find_dest_dev (&ginfo, argv);
|
|
|
|
|
2010-05-06 06:04:04 +00:00
|
|
|
ginfo.prefix = grub_make_system_path_relative_to_its_root (ginfo.dir ?
|
|
|
|
: DEFAULT_DIRECTORY);
|
2009-04-22 09:57:39 +00:00
|
|
|
|
|
|
|
check_root_dev (&ginfo);
|
|
|
|
|
|
|
|
/* Do the real work. */
|
|
|
|
setup (ginfo.prefix,
|
|
|
|
ginfo.dir ? ginfo.dir : DEFAULT_DIRECTORY,
|
|
|
|
ginfo.boot_file ? ginfo.boot_file : DEFAULT_BOOT_FILE,
|
|
|
|
ginfo.core_file ? ginfo.core_file : DEFAULT_CORE_FILE,
|
|
|
|
ginfo.root_dev, ginfo.dest_dev);
|
|
|
|
|
|
|
|
/* Free resources. */
|
|
|
|
grub_fini_all ();
|
|
|
|
|
|
|
|
free_memory (&ginfo);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|