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 */ 34