50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* Copyright 1997,1998,2001-2003,2006,2009 Alain Knaff.
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* Copyright 2010 Volker Lanz (vl@fidra.de)
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* This file is part of mtools.
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*
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* Mtools is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Mtools is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Mtools. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MTOOLS_PARTITION_H
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#define MTOOLS_PARTITION_H
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struct hsc
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{
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unsigned char byte0;
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unsigned char head; /* starting head */
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unsigned char sector; /* starting sector */
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unsigned char cyl; /* starting cylinder */
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};
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#define head(x) ((unsigned int)((x).head))
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#define sector(x) ((unsigned int)((x).sector & 0x3f))
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#define cyl(x) ((unsigned int)((x).cyl | (((x).sector & 0xc0)<<2)))
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#define BEGIN(p) _DWORD((p).start_sect)
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#define END(p) (_DWORD((p).start_sect)+(_DWORD((p).nr_sects)))
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#define boot_ind start.byte0
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#define sys_ind end.byte0
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struct partition
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{
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struct hsc start;
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struct hsc end;
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unsigned char start_sect[4]; /* starting sector counting from 0 */
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unsigned char nr_sects[4]; /* nr of sectors in partition */
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};
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#endif
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