2002-12-27 08:53:07 +00:00
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/* chainloader.c - boot another boot loader */
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/*
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2004-04-04 13:46:03 +00:00
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* GRUB -- GRand Unified Bootloader
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2007-07-21 23:32:33 +00:00
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* Copyright (C) 2002,2004,2007 Free Software Foundation, Inc.
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2002-12-27 08:53:07 +00:00
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*
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2007-07-21 23:32:33 +00:00
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* GRUB is free software: you can redistribute it and/or modify
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2002-12-27 08:53:07 +00:00
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* it under the terms of the GNU General Public License as published by
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2007-07-21 23:32:33 +00:00
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* the Free Software Foundation, either version 3 of the License, or
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2002-12-27 08:53:07 +00:00
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* (at your option) any later version.
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*
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2007-07-21 23:32:33 +00:00
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* GRUB is distributed in the hope that it will be useful,
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2002-12-27 08:53:07 +00:00
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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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2007-07-21 23:32:33 +00:00
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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2002-12-27 08:53:07 +00:00
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*/
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2004-04-04 13:46:03 +00:00
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#include <grub/loader.h>
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#include <grub/machine/loader.h>
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2004-09-12 12:20:52 +00:00
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#include <grub/machine/chainloader.h>
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2004-04-04 13:46:03 +00:00
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#include <grub/file.h>
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#include <grub/err.h>
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#include <grub/device.h>
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#include <grub/disk.h>
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#include <grub/misc.h>
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#include <grub/types.h>
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#include <grub/machine/init.h>
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2004-12-04 Marco Gerards <metgerards@student.han.nl>
Modulize the partition map support and add support for the amiga
partition map.
* commands/ls.c: Include <grub/partition.h> instead of
<grub/machine/partition.h>.
* kern/disk.c: Likewise.
* kern/rescue.c: Likewise.
* loader/i386/pc/chainloader.c: Likewise.
* normal/cmdline.c: Likewise.
* kern/powerpc/ieee1275/init.c: Likewise.
(grub_machine_init): Call `grub_pc_partition_map_init',
`grub_amiga_partition_map_init' and
`grub_apple_partition_map_init'.
* conf/i386-pc.rmk (kernel_img_SOURCES): Remove
`disk/i386/pc/partition.c'. Add `kern/partition.c'.
(kernel_img_HEADERS): Remove `machine/partition.h'. Add
`partition.h' and `pc_partition.h'.
(grub_setup_SOURCES): Remove
`disk/i386/pc/partition.c'. Add `kern/partition.c',
`partmap/amiga.c', `partmap/apple.c' and `partmap/pc.c'.
(grub_emu_SOURCES): Likewise.
(pkgdata_MODULES): Add `amiga.mod', `apple.mod' and `pc.mod'.
(amiga_mod_SOURCES, amiga_mod_CFLAGS, apple_mod_SOURCES)
(apple_mod_CFLAGS, pc_mod_SOURCES, pc_mod_CFLAGS): New variables.
* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Remove
`disk/powerpc/ieee1275/partition.c'. Add `kern/partition.c',
`partmap/amiga.c', `partmap/apple.c' and `partmap/pc.c'.
(grubof_SOURCES): Likewise.
* disk/i386/pc/partition.c: File removed.
* disk/powerpc/ieee1275/partition.c: Likewise.
* include/grub/powerpc/ieee1275/partition.h: Likewise.
* include/grub/i386/pc/partition.h: Likewise.
* kern/partition.c: New file.
* partmap/amiga.c: Likewise.
* partmap/apple.c: Likewise.
* partmap/pc.c: Likewise.
* include/grub/partition.h: Likewise..
* include/grub/pc_partition.h: Likewise.
* util/grub-emu.c: Include <grub/partition.h> instead of
<grub/machine/partition.h>.
(main): Call `grub_pc_partition_map_init',
`grub_amiga_partition_map_init' and
`grub_apple_partition_map_init' and deinitialize afterwards.
* util/i386/pc/biosdisk.c: Include `#include
<grub/partition.h>' and `include <grub/pc_partition.h>' instead of
`<grub/machine/partition.h>'.
* util/i386/pc/grub-setup.c: Likewise.
* util/i386/pc/biosdisk.c: Likewise.
(grub_util_biosdisk_get_grub_dev): Only access the PC specific
partition information in case of a PC partition.
* util/i386/pc/grub-setup.c: Include `#include
<grub/partition.h>' and `include <grub/pc_partition.h>' instead of
`<grub/machine/partition.h>'.
(setup): Only access the PC specific partition information in case
of a PC partition.
2004-12-04 18:45:46 +00:00
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#include <grub/partition.h>
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2004-04-04 13:46:03 +00:00
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#include <grub/machine/memory.h>
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#include <grub/rescue.h>
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#include <grub/dl.h>
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static grub_dl_t my_mod;
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2007-09-03 20:10:19 +00:00
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static int boot_drive;
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static void *boot_part_addr;
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2004-04-04 13:46:03 +00:00
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static grub_err_t
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grub_chainloader_boot (void)
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2002-12-27 08:53:07 +00:00
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{
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2007-09-03 20:10:19 +00:00
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grub_chainloader_real_boot (boot_drive, boot_part_addr);
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2002-12-27 08:53:07 +00:00
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/* Never reach here. */
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2004-04-04 13:46:03 +00:00
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return GRUB_ERR_NONE;
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2002-12-27 08:53:07 +00:00
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}
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2004-04-04 13:46:03 +00:00
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static grub_err_t
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grub_chainloader_unload (void)
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2003-01-06 00:01:35 +00:00
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{
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2004-04-04 13:46:03 +00:00
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grub_dl_unref (my_mod);
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return GRUB_ERR_NONE;
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2003-01-06 00:01:35 +00:00
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}
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2003-01-20 04:13:46 +00:00
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void
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2004-09-12 12:20:52 +00:00
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grub_chainloader_cmd (const char *filename, grub_chainloader_flags_t flags)
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2002-12-27 08:53:07 +00:00
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{
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2004-04-04 13:46:03 +00:00
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grub_file_t file = 0;
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grub_uint16_t signature;
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2007-09-03 20:10:19 +00:00
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grub_device_t dev;
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int drive = -1;
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void *part_addr = 0;
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2002-12-27 08:53:07 +00:00
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2004-04-04 13:46:03 +00:00
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grub_dl_ref (my_mod);
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2003-01-06 00:01:35 +00:00
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2004-09-12 12:20:52 +00:00
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file = grub_file_open (filename);
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2002-12-27 08:53:07 +00:00
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if (! file)
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2003-01-06 00:01:35 +00:00
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goto fail;
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2002-12-27 08:53:07 +00:00
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/* Read the first block. */
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2004-04-04 13:46:03 +00:00
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if (grub_file_read (file, (char *) 0x7C00, GRUB_DISK_SECTOR_SIZE)
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!= GRUB_DISK_SECTOR_SIZE)
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2002-12-27 08:53:07 +00:00
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{
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2004-04-04 13:46:03 +00:00
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if (grub_errno == GRUB_ERR_NONE)
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grub_error (GRUB_ERR_BAD_OS, "too small");
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2002-12-27 08:53:07 +00:00
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2003-01-06 00:01:35 +00:00
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goto fail;
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2002-12-27 08:53:07 +00:00
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}
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/* Check the signature. */
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2004-04-04 13:46:03 +00:00
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signature = *((grub_uint16_t *) (0x7C00 + GRUB_DISK_SECTOR_SIZE - 2));
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2004-09-12 12:20:52 +00:00
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if (signature != grub_le_to_cpu16 (0xaa55)
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&& ! (flags & GRUB_CHAINLOADER_FORCE))
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2003-01-06 00:01:35 +00:00
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{
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2004-04-04 13:46:03 +00:00
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grub_error (GRUB_ERR_BAD_OS, "invalid signature");
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2003-01-06 00:01:35 +00:00
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goto fail;
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}
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2002-12-27 08:53:07 +00:00
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2004-04-04 13:46:03 +00:00
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grub_file_close (file);
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2007-09-03 20:10:19 +00:00
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/* Obtain the partition table from the root device. */
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dev = grub_device_open (0);
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if (dev)
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{
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grub_disk_t disk = dev->disk;
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if (disk)
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{
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grub_partition_t p = disk->partition;
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/* In i386-pc, the id is equal to the BIOS drive number. */
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drive = (int) disk->id;
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if (p)
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{
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grub_disk_read (disk, p->offset, 446, 64,
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(char *) GRUB_MEMORY_MACHINE_PART_TABLE_ADDR);
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part_addr = (void *) (GRUB_MEMORY_MACHINE_PART_TABLE_ADDR
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+ (p->index << 4));
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}
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}
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grub_device_close (dev);
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}
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/* Ignore errors. Perhaps it's not fatal. */
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grub_errno = GRUB_ERR_NONE;
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boot_drive = drive;
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boot_part_addr = part_addr;
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2006-04-30 21:09:37 +00:00
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grub_loader_set (grub_chainloader_boot, grub_chainloader_unload, 1);
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2003-01-06 00:01:35 +00:00
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return;
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fail:
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2002-12-27 08:53:07 +00:00
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2003-01-06 00:01:35 +00:00
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if (file)
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2004-04-04 13:46:03 +00:00
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grub_file_close (file);
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2003-01-06 00:01:35 +00:00
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2004-04-04 13:46:03 +00:00
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grub_dl_unref (my_mod);
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2002-12-27 08:53:07 +00:00
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}
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2004-09-12 12:20:52 +00:00
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static void
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grub_rescue_cmd_chainloader (int argc, char *argv[])
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{
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grub_chainloader_flags_t flags = 0;
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if (argc > 0 && grub_strcmp (argv[0], "--force") == 0)
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{
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flags |= GRUB_CHAINLOADER_FORCE;
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argc--;
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argv++;
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}
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if (argc == 0)
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grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");
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else
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grub_chainloader_cmd (argv[0], flags);
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}
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2002-12-27 08:53:07 +00:00
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static const char loader_name[] = "chainloader";
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2005-11-13 Marco Gerards <mgerards@xs4all.nl>
* geninit.sh: New file.
* geninitheader.sh: Likewise.
* commands/boot.c (grub_boot_init, grub_boot_fini): Removed.
* commands/cat.c (grub_cat_init, grub_cat_fini): Likewise.
* commands/cmp.c (grub_cmp_init, grub_cmp_fini): Likewise.
* commands/configfile.c (grub_configfile_init)
(grub_configfile_fini): Likewise.
* commands/default.c (grub_default_init, grub_default_fini):
Likewise.
* commands/help.c (grub_help_init, grub_help_fini): Likewise.
* commands/ls.c (grub_ls_init, grub_ls_fini): Likewise.
* commands/search.c (grub_search_init, grub_search_fini): Likewise.
* commands/terminal.c (grub_terminal_init, grub_terminal_fini):
Likewise.
* commands/test.c (grub_test_init, grub_test_fini): Likewise.
* commands/timeout.c (grub_timeout_init, grub_timeout_fini):
Likewise.
* commands/i386/pc/halt.c (grub_halt_init, grub_halt_fini): Likewise.
* commands/iee1275/halt.c (grub_halt_init, grub_halt_fini):
Likewise.
* commands/i386/pc/reboot.c (grub_reboot_init, grub_reboot_fini):
Likewise.
* commands/iee1275/reboot.c (grub_reboot_init, grub_reboot_fini):
Likewise.
* disk/loopback.c (grub_loop_init, grub_loop_fini): Likewise.
* fs/affs.c (grub_affs_init, grub_affs_fini): Likewise.
* fs/ext2.c (grub_ext2_init, grub_ext2_fini): Likewise.
* fs/fat.c (grub_fat_init, grub_fat_fini): Likewise.
* fs/hfs.c (grub_hfs_init, grub_hfs_fini): Likewise.
* fs/iso9660.c (grub_iso9660_init, grub_iso9660_fini): Likewise.
* fs/jfs.c (grub_jfs_init, grub_jfs_fini): Likewise.
* fs/minix.c (grub_minix_init, grub_minix_fini): Likewise.
* fs/sfs.c (grub_sfs_init, grub_sfs_fini): Likewise.
* fs/ufs.c (grub_ufs_init, grub_ufs_fini): Likewise.
* fs/xfs.c (grub_xfs_init, grub_xfs_fini): Likewise.
* normal/main.c (grub_normal_init, grub_normal_fini): Likewise.
* partmap/amiga.c (grub_amiga_partition_map_init)
(grub_amiga_partition_map_fini): Likewise.
* partmap/apple.c (grub_apple_partition_map_init)
(grub_apple_partition_map_fini): Likewise.
* partmap/pc.c (grub_pc_partition_map_init)
(grub_pc_partition_map_fini): Likewise.
* partmap/sun.c (grub_sun_partition_map_init,
grub_sun_partition_map_fini): Likewise.
* term/terminfo.c (grub_terminal_init, grub_terminal_fini):
Likewise.
* util/grub-emu.c: Include <grub_modules_init.h>.
(main): Don't initialize and de-initialize any modules directly,
use `grub_init_all' and `grub_fini_all' instead.
* term/i386/pc/vesafb.c (grub_vesafb_init): Renamed to
`grub_vesafb_mod_init'.
(grub_vesafb_fini): Renamed to `grub_vesafb_mod_fini'. Updated
all users.
* term/i386/pc/vga.c (grub_vga_init): Renamed to
`grub_vga_mod_init'. Updated all users.
(grub_vga_fini): Renamed to `grub_vga_mod_fini'.
* conf/i386-pc.rmk (grub_emu_SOURCES): Add `grub_emu_init.c'.
(grub_modules_init.lst, grub_modules_init.h, grub_emu_init.c): New
rules.
* include/grub/dl.h (GRUB_MOD_INIT): Add argument `name'.
Generate a function to initialize the module in utilities.
Updated all callers.
(GRUB_MOD_FINI): Add argument `name'. Generate a function to
initialize the module in utilities. Updated all callers.
2005-11-13 15:47:09 +00:00
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GRUB_MOD_INIT(chainloader)
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2002-12-27 08:53:07 +00:00
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{
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2004-04-04 13:46:03 +00:00
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grub_rescue_register_command (loader_name,
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grub_rescue_cmd_chainloader,
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2002-12-27 08:53:07 +00:00
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"load another boot loader");
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2003-01-06 00:01:35 +00:00
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my_mod = mod;
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2002-12-27 08:53:07 +00:00
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}
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2005-11-13 Marco Gerards <mgerards@xs4all.nl>
* geninit.sh: New file.
* geninitheader.sh: Likewise.
* commands/boot.c (grub_boot_init, grub_boot_fini): Removed.
* commands/cat.c (grub_cat_init, grub_cat_fini): Likewise.
* commands/cmp.c (grub_cmp_init, grub_cmp_fini): Likewise.
* commands/configfile.c (grub_configfile_init)
(grub_configfile_fini): Likewise.
* commands/default.c (grub_default_init, grub_default_fini):
Likewise.
* commands/help.c (grub_help_init, grub_help_fini): Likewise.
* commands/ls.c (grub_ls_init, grub_ls_fini): Likewise.
* commands/search.c (grub_search_init, grub_search_fini): Likewise.
* commands/terminal.c (grub_terminal_init, grub_terminal_fini):
Likewise.
* commands/test.c (grub_test_init, grub_test_fini): Likewise.
* commands/timeout.c (grub_timeout_init, grub_timeout_fini):
Likewise.
* commands/i386/pc/halt.c (grub_halt_init, grub_halt_fini): Likewise.
* commands/iee1275/halt.c (grub_halt_init, grub_halt_fini):
Likewise.
* commands/i386/pc/reboot.c (grub_reboot_init, grub_reboot_fini):
Likewise.
* commands/iee1275/reboot.c (grub_reboot_init, grub_reboot_fini):
Likewise.
* disk/loopback.c (grub_loop_init, grub_loop_fini): Likewise.
* fs/affs.c (grub_affs_init, grub_affs_fini): Likewise.
* fs/ext2.c (grub_ext2_init, grub_ext2_fini): Likewise.
* fs/fat.c (grub_fat_init, grub_fat_fini): Likewise.
* fs/hfs.c (grub_hfs_init, grub_hfs_fini): Likewise.
* fs/iso9660.c (grub_iso9660_init, grub_iso9660_fini): Likewise.
* fs/jfs.c (grub_jfs_init, grub_jfs_fini): Likewise.
* fs/minix.c (grub_minix_init, grub_minix_fini): Likewise.
* fs/sfs.c (grub_sfs_init, grub_sfs_fini): Likewise.
* fs/ufs.c (grub_ufs_init, grub_ufs_fini): Likewise.
* fs/xfs.c (grub_xfs_init, grub_xfs_fini): Likewise.
* normal/main.c (grub_normal_init, grub_normal_fini): Likewise.
* partmap/amiga.c (grub_amiga_partition_map_init)
(grub_amiga_partition_map_fini): Likewise.
* partmap/apple.c (grub_apple_partition_map_init)
(grub_apple_partition_map_fini): Likewise.
* partmap/pc.c (grub_pc_partition_map_init)
(grub_pc_partition_map_fini): Likewise.
* partmap/sun.c (grub_sun_partition_map_init,
grub_sun_partition_map_fini): Likewise.
* term/terminfo.c (grub_terminal_init, grub_terminal_fini):
Likewise.
* util/grub-emu.c: Include <grub_modules_init.h>.
(main): Don't initialize and de-initialize any modules directly,
use `grub_init_all' and `grub_fini_all' instead.
* term/i386/pc/vesafb.c (grub_vesafb_init): Renamed to
`grub_vesafb_mod_init'.
(grub_vesafb_fini): Renamed to `grub_vesafb_mod_fini'. Updated
all users.
* term/i386/pc/vga.c (grub_vga_init): Renamed to
`grub_vga_mod_init'. Updated all users.
(grub_vga_fini): Renamed to `grub_vga_mod_fini'.
* conf/i386-pc.rmk (grub_emu_SOURCES): Add `grub_emu_init.c'.
(grub_modules_init.lst, grub_modules_init.h, grub_emu_init.c): New
rules.
* include/grub/dl.h (GRUB_MOD_INIT): Add argument `name'.
Generate a function to initialize the module in utilities.
Updated all callers.
(GRUB_MOD_FINI): Add argument `name'. Generate a function to
initialize the module in utilities. Updated all callers.
2005-11-13 15:47:09 +00:00
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GRUB_MOD_FINI(chainloader)
|
2002-12-27 08:53:07 +00:00
|
|
|
{
|
2004-04-04 13:46:03 +00:00
|
|
|
grub_rescue_unregister_command (loader_name);
|
2002-12-27 08:53:07 +00:00
|
|
|
}
|