uboot/disk/part_dos.h
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   1/*
   2 * (C) Copyright 2000
   3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24#ifndef _DISK_PART_DOS_H
  25#define _DISK_PART_DOS_H
  26
  27#define DOS_PART_DISKSIG_OFFSET 0x1b8
  28#define DOS_PART_TBL_OFFSET     0x1be
  29#define DOS_PART_MAGIC_OFFSET   0x1fe
  30#define DOS_PBR_FSTYPE_OFFSET   0x36
  31#define DOS_PBR32_FSTYPE_OFFSET 0x52
  32#define DOS_PBR_MEDIA_TYPE_OFFSET       0x15
  33#define DOS_MBR 0
  34#define DOS_PBR 1
  35
  36typedef struct dos_partition {
  37        unsigned char boot_ind;         /* 0x80 - active                        */
  38        unsigned char head;             /* starting head                        */
  39        unsigned char sector;           /* starting sector                      */
  40        unsigned char cyl;              /* starting cylinder                    */
  41        unsigned char sys_ind;          /* What partition type                  */
  42        unsigned char end_head;         /* end head                             */
  43        unsigned char end_sector;       /* end sector                           */
  44        unsigned char end_cyl;          /* end cylinder                         */
  45        unsigned char start4[4];        /* starting sector counting from 0      */
  46        unsigned char size4[4];         /* nr of sectors in partition           */
  47} dos_partition_t;
  48
  49#endif  /* _DISK_PART_DOS_H */
  50