mirror of
https://github.com/reactos/reactos.git
synced 2024-11-06 14:44:19 +00:00
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* @(#)diskmbr.h 1.2 04/03/02 Copyright 1999-2004 J. Schilling */
|
|
/*
|
|
* Header file diskmbr.h - assorted structure definitions and macros
|
|
* describing standard PC partition table
|
|
*
|
|
* Copyright (c) 1999-2004 J. Schilling
|
|
*/
|
|
/*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* 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; see the file COPYING. If not, write to the Free Software
|
|
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef _DISKMBR_H
|
|
#define _DISKMBR_H
|
|
|
|
#define MBR_MAGIC 0xAA55
|
|
|
|
#define PARTITION_UNUSED 0x00
|
|
#define PARTITION_ACTIVE 0x80
|
|
|
|
#define PARTITION_COUNT 4
|
|
|
|
#define MBR_SECTOR(x) ((x)&0x3F)
|
|
#define MBR_CYLINDER(x) ((x)>>8|((x)<<2&0x300))
|
|
|
|
struct disk_partition {
|
|
unsigned char status;
|
|
unsigned char s_head;
|
|
unsigned char s_cyl_sec[2];
|
|
unsigned char type;
|
|
unsigned char e_head;
|
|
unsigned char e_cyl_sec[2];
|
|
unsigned char boot_sec[4];
|
|
unsigned char size[4];
|
|
};
|
|
|
|
struct disk_master_boot_record {
|
|
char pad[0x1BE];
|
|
struct disk_partition partition[PARTITION_COUNT];
|
|
unsigned char magic[2];
|
|
};
|
|
|
|
#endif /* _DISKMBR_H */
|