ReactOS  0.4.13-dev-551-gf37fb1f
diskmbr.h
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1 /* @(#)diskmbr.h 1.2 04/03/02 Copyright 1999-2004 J. Schilling */
2 /*
3  * Header file diskmbr.h - assorted structure definitions and macros
4  * describing standard PC partition table
5  *
6  * Copyright (c) 1999-2004 J. Schilling
7  */
8 /*
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2
11  * as published by the Free Software Foundation.
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 along with
19  * this program; see the file COPYING. If not, write to the Free Software
20  * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21  */
22 
23 #ifndef _DISKMBR_H
24 #define _DISKMBR_H
25 
26 #define MBR_MAGIC 0xAA55
27 
28 #define PARTITION_UNUSED 0x00
29 #define PARTITION_ACTIVE 0x80
30 
31 #define PARTITION_COUNT 4
32 
33 #define MBR_SECTOR(x) ((x)&0x3F)
34 #define MBR_CYLINDER(x) ((x)>>8|((x)<<2&0x300))
35 
37  unsigned char status;
38  unsigned char s_head;
39  unsigned char s_cyl_sec[2];
40  unsigned char type;
41  unsigned char e_head;
42  unsigned char e_cyl_sec[2];
43  unsigned char boot_sec[4];
44  unsigned char size[4];
45 };
46 
48  char pad[0x1BE];
50  unsigned char magic[2];
51 };
52 
53 #endif /* _DISKMBR_H */
char pad[0x1BE]
Definition: diskmbr.h:48
unsigned char e_cyl_sec[2]
Definition: diskmbr.h:42
unsigned char type
Definition: diskmbr.h:40
unsigned char status
Definition: diskmbr.h:37
GLsizeiptr size
Definition: glext.h:5919
unsigned char s_head
Definition: diskmbr.h:38
unsigned char boot_sec[4]
Definition: diskmbr.h:43
unsigned char magic[2]
Definition: diskmbr.h:50
unsigned char s_cyl_sec[2]
Definition: diskmbr.h:39
unsigned char e_head
Definition: diskmbr.h:41
#define PARTITION_COUNT
Definition: diskmbr.h:31
struct disk_partition partition[PARTITION_COUNT]
Definition: diskmbr.h:49