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[people/ms/u-boot.git] / disk / part_dos.h
1 /*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 #ifndef _DISK_PART_DOS_H
9 #define _DISK_PART_DOS_H
10
11 #define DOS_PART_DISKSIG_OFFSET 0x1b8
12 #define DOS_PART_TBL_OFFSET 0x1be
13 #define DOS_PART_MAGIC_OFFSET 0x1fe
14 #define DOS_PBR_FSTYPE_OFFSET 0x36
15 #define DOS_PBR32_FSTYPE_OFFSET 0x52
16 #define DOS_PBR_MEDIA_TYPE_OFFSET 0x15
17 #define DOS_MBR 0
18 #define DOS_PBR 1
19
20 typedef struct dos_partition {
21 unsigned char boot_ind; /* 0x80 - active */
22 unsigned char head; /* starting head */
23 unsigned char sector; /* starting sector */
24 unsigned char cyl; /* starting cylinder */
25 unsigned char sys_ind; /* What partition type */
26 unsigned char end_head; /* end head */
27 unsigned char end_sector; /* end sector */
28 unsigned char end_cyl; /* end cylinder */
29 unsigned char start4[4]; /* starting sector counting from 0 */
30 unsigned char size4[4]; /* nr of sectors in partition */
31 } dos_partition_t;
32
33 #endif /* _DISK_PART_DOS_H */