[people/ms/u-boot.git] / disk / part_dos.h

/*
 * (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_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 */
Commit	Line	Data
afe3d130 WD	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
c7de829c WD	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
afe3d130	33	#define DEFAULT_SECTOR_SIZE 512
c7de829c	34	#endif
afe3d130 WD	35	#define DOS_PART_TBL_OFFSET 0x1be
afe3d130 WD	36	#define DOS_PART_MAGIC_OFFSET 0x1fe
7205e407 WD	37	#define DOS_PBR_FSTYPE_OFFSET 0x36
	38	#define DOS_PBR_MEDIA_TYPE_OFFSET 0x15
	39	#define DOS_MBR 0
	40	#define DOS_PBR 1
afe3d130 WD	41
	42	typedef struct dos_partition {
	43	unsigned char boot_ind; /* 0x80 - active */
	44	unsigned char head; /* starting head */
	45	unsigned char sector; /* starting sector */
	46	unsigned char cyl; /* starting cylinder */
	47	unsigned char sys_ind; /* What partition type */
	48	unsigned char end_head; /* end head */
	49	unsigned char end_sector; /* end sector */
	50	unsigned char end_cyl; /* end cylinder */
	51	unsigned char start4[4]; /* starting sector counting from 0 */
	52	unsigned char size4[4]; /* nr of sectors in partition */
	53	} dos_partition_t;
	54
	55	#endif /* _DISK_PART_DOS_H */