1 /* Copyright 1997,1998,2001-2003,2006,2009 Alain Knaff. 2 * This file is part of mtools. 3 * 4 * Mtools is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * Mtools is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with Mtools. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 typedef struct hsc { 19 unsigned char byte0; 20 unsigned char head; /* starting head */ 21 unsigned char sector; /* starting sector */ 22 unsigned char cyl; /* starting cylinder */ 23 } hsc; 24 25 #define head(x) ((uint8_t)((x).head)) 26 #define sector(x) ((uint8_t)((x).sector & 0x3f)) 27 #define cyl(x) ((uint16_t)((x).cyl | (((x).sector & 0xc0)<<2))) 28 29 #define BEGIN(p) _DWORD((p)->start_sect) 30 #define END(p) (_DWORD((p)->start_sect)+(_DWORD((p)->nr_sects))) 31 #define PART_SIZE(p) (_DWORD((p)->nr_sects)) 32 33 34 struct partition { 35 hsc start; 36 hsc end; 37 unsigned char start_sect[4]; /* starting sector counting from 0 */ 38 unsigned char nr_sects[4]; /* nr of sectors in partition */ 39 }; 40 41 #define boot_ind start.byte0 42 #define sys_ind end.byte0 43 44 int consistencyCheck(struct partition *partTable, int doprint, int verbose, 45 int *has_activated, uint32_t tot_sectors, 46 struct device *used_dev, unsigned int target_partition); 47 48 void setBeginEnd(struct partition *partTable, 49 uint32_t begin, uint32_t end, 50 uint16_t iheads, uint16_t isectors, 51 int activate, uint8_t type, unsigned int fat_bits); 52 53 Stream_t *OpenPartition(Stream_t *Next, struct device *dev, 54 char *errmsg, mt_off_t *maxSize); 55 56 unsigned int findOverlap(struct partition *partTable, unsigned int until, 57 uint32_t start, uint32_t end); 58