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 28 #ifdef CONFIG_ISO_PARTITION 29 /* Make the buffers bigger if ISO partition support is enabled -- CD-ROMS 30 have 2048 byte blocks */ 31 #define DEFAULT_SECTOR_SIZE 2048 32 #else 33 #define DEFAULT_SECTOR_SIZE 512 34 #endif 35 #define DOS_PART_TBL_OFFSET 0x1be 36 #define DOS_PART_MAGIC_OFFSET 0x1fe 37 #define DOS_PBR_FSTYPE_OFFSET 0x36 38 #define DOS_PBR32_FSTYPE_OFFSET 0x52 39 #define DOS_PBR_MEDIA_TYPE_OFFSET 0x15 40 #define DOS_MBR 0 41 #define DOS_PBR 1 42 43 typedef struct dos_partition { 44 unsigned char boot_ind; /* 0x80 - active */ 45 unsigned char head; /* starting head */ 46 unsigned char sector; /* starting sector */ 47 unsigned char cyl; /* starting cylinder */ 48 unsigned char sys_ind; /* What partition type */ 49 unsigned char end_head; /* end head */ 50 unsigned char end_sector; /* end sector */ 51 unsigned char end_cyl; /* end cylinder */ 52 unsigned char start4[4]; /* starting sector counting from 0 */ 53 unsigned char size4[4]; /* nr of sectors in partition */ 54 } dos_partition_t; 55 56 #endif /* _DISK_PART_DOS_H */ 57