grub/parttool/msdospart.c

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/* pcpart.c - manipulate fdisk partitions */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <grub/types.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/err.h>
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.
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#include <grub/msdos_partition.h>
#include <grub/device.h>
#include <grub/disk.h>
#include <grub/partition.h>
#include <grub/parttool.h>
static int activate_table_handle = -1;
static int type_table_handle = -1;
static struct grub_parttool_argdesc grub_pcpart_bootargs[] =
{
{"boot", "Make partition active", GRUB_PARTTOOL_ARG_BOOL},
{0, 0, 0}
};
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static grub_err_t grub_pcpart_boot (const grub_device_t dev,
const struct grub_parttool_args *args)
{
int i, index;
grub_partition_t part;
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.
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struct grub_msdos_partition_mbr mbr;
if (dev->disk->partition->offset)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "not a primary partition");
index = dev->disk->partition->index;
part = dev->disk->partition;
dev->disk->partition = 0;
/* Read the MBR. */
if (grub_disk_read (dev->disk, 0, 0, sizeof (mbr), &mbr))
{
dev->disk->partition = part;
return grub_errno;
}
if (args[0].set && args[0].bool)
{
for (i = 0; i < 4; i++)
mbr.entries[i].flag = 0x0;
mbr.entries[index].flag = 0x80;
grub_printf ("Partition %d is active now. \n", index);
}
else
{
mbr.entries[index].flag = 0x0;
grub_printf ("Cleared active flag on %d. \n", index);
}
/* Write the MBR. */
grub_disk_write (dev->disk, 0, 0, sizeof (mbr), &mbr);
dev->disk->partition = part;
return GRUB_ERR_NONE;
}
static struct grub_parttool_argdesc grub_pcpart_typeargs[] =
{
{"type", "Change partition type", GRUB_PARTTOOL_ARG_VAL},
{"hidden", "Make partition hidden", GRUB_PARTTOOL_ARG_BOOL},
{0, 0, 0}
};
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static grub_err_t grub_pcpart_type (const grub_device_t dev,
const struct grub_parttool_args *args)
{
int index;
grub_uint8_t type;
grub_partition_t part;
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.
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struct grub_msdos_partition_mbr mbr;
index = dev->disk->partition->index;
part = dev->disk->partition;
dev->disk->partition = 0;
/* Read the parttable. */
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if (grub_disk_read (dev->disk, part->offset, 0,
sizeof (mbr), &mbr))
{
dev->disk->partition = part;
return grub_errno;
}
if (args[0].set)
type = grub_strtoul (args[0].str, 0, 0);
else
type = mbr.entries[index].type;
if (args[1].set)
{
if (args[1].bool)
type |= GRUB_PC_PARTITION_TYPE_HIDDEN_FLAG;
else
type &= ~GRUB_PC_PARTITION_TYPE_HIDDEN_FLAG;
}
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.
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if (grub_msdos_partition_is_empty (type)
|| grub_msdos_partition_is_extended (type))
{
dev->disk->partition = part;
return grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid type");
}
mbr.entries[index].type = type;
grub_printf ("Setting partition type to 0x%x\n", type);
/* Write the parttable. */
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grub_disk_write (dev->disk, part->offset, 0,
sizeof (mbr), &mbr);
dev->disk->partition = part;
return GRUB_ERR_NONE;
}
GRUB_MOD_INIT (pcpart)
{
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.
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activate_table_handle = grub_parttool_register ("msdos_partition_map",
grub_pcpart_boot,
grub_pcpart_bootargs);
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.
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type_table_handle = grub_parttool_register ("msdos_partition_map",
grub_pcpart_type,
grub_pcpart_typeargs);
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}
GRUB_MOD_FINI(pcpart)
{
grub_parttool_unregister (activate_table_handle);
grub_parttool_unregister (type_table_handle);
}