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Diffstat (limited to 'genisoimage/diskmbr.h')
-rw-r--r-- | genisoimage/diskmbr.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/genisoimage/diskmbr.h b/genisoimage/diskmbr.h new file mode 100644 index 0000000..84501bd --- /dev/null +++ b/genisoimage/diskmbr.h @@ -0,0 +1,65 @@ +/* + * This file has been modified for the cdrkit suite. + * + * The behaviour and appearence of the program code below can differ to a major + * extent from the version distributed by the original author(s). + * + * For details, see Changelog file distributed with the cdrkit package. If you + * received this file from another source then ask the distributing person for + * a log of modifications. + * + */ + +/* @(#)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 */ |