oskit/oskit-20020317/diskpart/find_omron.c

117 lines
4.0 KiB
C
Executable File

/*
* Copyright (c) 1996, 1998 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* This is the layer of the partitioning code that searches for a
* specific partitioning scheme (potentially nested inside annother
* partitioning scheme).
*
* This file currently contains the routines for OMRON
* type labels.
*
* Note that this is UNTESTED, and no attempt has been made to ensure
* correctness.
*/
#include <sys/types.h>
#include <stdio.h>
#include <oskit/diskpart/diskpart.h>
#include <oskit/diskpart/omron.h>
/*
* NOT TESTED!
*/
#if 0
/*
* Not only is this code not tested, it is obviously broken. -BAD
*/
int diskpart_get_omron(struct diskpart *array, char *buff, int start,
void *driver_info, int (*bottom_read_fun)(),
int max_part)
{
struct disklabel *label;
/* here look for an Omron label */
register omron_label_t *part;
int i;
# if (PARTITION_DEBUG)
printf("Looking for Omron label...\n");
# endif
diskpart_check_read((*bottom_read_fun)(driver_info, start+
OMRON_LABEL_BYTE_OFFSET/SECTOR_SIZE, buff));
part = (omron_label_t*)&buff[OMRON_LABEL_BYTE_OFFSET%SECTOR_SIZE];
if (part->magic == OMRON_LABEL_MAGIC) {
# if (PARTITION_DEBUG)
printf("{Using OMRON label}");
# endif
for (i = 0; i < 8; i++) {
label->d_partitions[i].p_size = part->partitions[i].n_sectors;
label->d_partitions[i].p_offset = part->partitions[i].offset;
}
bcopy(part->packname, label->d_packname, 16);
label->d_ncylinders = part->ncyl;
label->d_acylinders = part->acyl;
label->d_ntracks = part->nhead;
label->d_nsectors = part->nsect;
/* Many disks have this wrong, therefore.. */
#if 0
label->d_secperunit = part->maxblk;
#else
label->d_secperunit = label->d_ncylinders * label->d_ntracks *
label->d_nsectors;
#endif 0
return(8);
}
# if (PARTITION_DEBUG)
printf("No Omron label found.\n");
# endif
return(0);
}
#endif 0