u-boot/disk/part_dos.h
Wolfgang Denk 66c2d73cfc FAT32: fix support for superfloppy-format (PBR)
"Superfloppy" format (in U-Boot called PBR) did not work for FAT32 as
the file system type string is at a different location. Add support
for FAT32.

Signed-off-by: Wolfgang Denk <wd@denx.de>
2010-07-24 20:53:43 +02:00

57 lines
1.9 KiB
C

/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _DISK_PART_DOS_H
#define _DISK_PART_DOS_H
#ifdef CONFIG_ISO_PARTITION
/* Make the buffers bigger if ISO partition support is enabled -- CD-ROMS
have 2048 byte blocks */
#define DEFAULT_SECTOR_SIZE 2048
#else
#define DEFAULT_SECTOR_SIZE 512
#endif
#define DOS_PART_TBL_OFFSET 0x1be
#define DOS_PART_MAGIC_OFFSET 0x1fe
#define DOS_PBR_FSTYPE_OFFSET 0x36
#define DOS_PBR32_FSTYPE_OFFSET 0x52
#define DOS_PBR_MEDIA_TYPE_OFFSET 0x15
#define DOS_MBR 0
#define DOS_PBR 1
typedef struct dos_partition {
unsigned char boot_ind; /* 0x80 - active */
unsigned char head; /* starting head */
unsigned char sector; /* starting sector */
unsigned char cyl; /* starting cylinder */
unsigned char sys_ind; /* What partition type */
unsigned char end_head; /* end head */
unsigned char end_sector; /* end sector */
unsigned char end_cyl; /* end cylinder */
unsigned char start4[4]; /* starting sector counting from 0 */
unsigned char size4[4]; /* nr of sectors in partition */
} dos_partition_t;
#endif /* _DISK_PART_DOS_H */