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) ((unsigned int)((x).head))
26 #define sector(x) ((unsigned int)((x).sector & 0x3f))
27 #define cyl(x) ((unsigned int)((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 
32 
33 struct partition {
34 	hsc start;
35 	hsc end;
36 	unsigned char start_sect[4];	/* starting sector counting from 0 */
37 	unsigned char nr_sects[4];     	/* nr of sectors in partition */
38 };
39 
40 #define boot_ind start.byte0
41 #define sys_ind end.byte0
42 
43 int consistencyCheck(struct partition *partTable, int doprint, int verbose,
44 		     int *has_activated, unsigned int *last_end,
45 		     unsigned int *j,
46 		     struct device *used_dev, int target_partition);
47 
48 void setBeginEnd(struct partition *partTable,
49 		 unsigned long begin, unsigned long end,
50 		 unsigned int heads, unsigned int sector,
51 		 int activate, int type, int fat_bits);
52