xref: /openbmc/u-boot/disk/part_dos.h (revision 4e3349b6)
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 #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 
36 typedef 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