* grub-core/fs/fat.c: Include grub/fat.h.

(grub_fat_bpb): Moved to ...
	* include/grub/fat.h (grub_fat_bpb): ... here. New file.
	* grub-core/loader/i386/pc/chainloader.c: Include grub/fat.h and
	grub/ntfs.h.
	* include/grub/i386/pc/chainloader.h (grub_chainloader_flags_t):
	Moved from here...
	* grub-core/loader/i386/pc/chainloader.c (grub_chainloader_flags_t): ...
	here.
	* grub-core/loader/i386/pc/chainloader.c (grub_chainloader_patch_bpb):
	New function.
	(grub_chainloader_cmd): Patch BPB if --bpb is given.
	(GRUB_MOD_INIT): Show --bpb.
	* grub-core/loader/i386/pc/ntldr.c (grub_cmd_ntldr): Patch BPB.
	* grub-core/normal/main.c (features): New variable.
	(GRUB_MOD_INIT): Set feature_* variables.
	* include/grub/i386/pc/chainloader.h (grub_chainloader_patch_bpb): New
	proto.
	* include/grub/ntfs.h (grub_ntfs_bpb): New field bios_drive.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-05-18 12:48:14 +02:00
commit 1e4b43901a
8 changed files with 199 additions and 59 deletions

70
include/grub/fat.h Normal file
View file

@ -0,0 +1,70 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2000,2001,2002,2003,2004,2005,2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_FAT_H
#define GRUB_FAT_H 1
#include <grub/types.h>
struct grub_fat_bpb
{
grub_uint8_t jmp_boot[3];
grub_uint8_t oem_name[8];
grub_uint16_t bytes_per_sector;
grub_uint8_t sectors_per_cluster;
grub_uint16_t num_reserved_sectors;
grub_uint8_t num_fats;
grub_uint16_t num_root_entries;
grub_uint16_t num_total_sectors_16;
grub_uint8_t media;
grub_uint16_t sectors_per_fat_16;
grub_uint16_t sectors_per_track;
grub_uint16_t num_heads;
grub_uint32_t num_hidden_sectors;
grub_uint32_t num_total_sectors_32;
union
{
struct
{
grub_uint8_t num_ph_drive;
grub_uint8_t reserved;
grub_uint8_t boot_sig;
grub_uint32_t num_serial;
grub_uint8_t label[11];
grub_uint8_t fstype[8];
} __attribute__ ((packed)) fat12_or_fat16;
struct
{
grub_uint32_t sectors_per_fat_32;
grub_uint16_t extended_flags;
grub_uint16_t fs_version;
grub_uint32_t root_cluster;
grub_uint16_t fs_info;
grub_uint16_t backup_boot_sector;
grub_uint8_t reserved[12];
grub_uint8_t num_ph_drive;
grub_uint8_t reserved1;
grub_uint8_t boot_sig;
grub_uint32_t num_serial;
grub_uint8_t label[11];
grub_uint8_t fstype[8];
} __attribute__ ((packed)) fat32;
} __attribute__ ((packed)) version_specific;
} __attribute__ ((packed));
#endif

View file

@ -21,10 +21,7 @@
#include <grub/dl.h>
/* Common function for normal and rescue mode commands. */
typedef enum
{
GRUB_CHAINLOADER_FORCE = 0x1
} grub_chainloader_flags_t;
void
grub_chainloader_patch_bpb (void *bs, grub_device_t dev, grub_uint8_t dl);
#endif /* GRUB_CHAINLOADER_MACHINE_HEADER */

View file

@ -106,14 +106,16 @@ struct grub_ntfs_bpb
grub_uint16_t sectors_per_track;
grub_uint16_t num_heads;
grub_uint32_t num_hidden_sectors;
grub_uint32_t reserved_3[2];
grub_uint32_t reserved_3;
grub_uint8_t bios_drive;
grub_uint8_t reserved_4[3];
grub_uint64_t num_total_sectors;
grub_uint64_t mft_lcn;
grub_uint64_t mft_mirr_lcn;
grub_int8_t clusters_per_mft;
grub_int8_t reserved_4[3];
grub_int8_t clusters_per_index;
grub_int8_t reserved_5[3];
grub_int8_t clusters_per_index;
grub_int8_t reserved_6[3];
grub_uint64_t num_serial;
grub_uint32_t checksum;
} __attribute__ ((packed));