freebsd-nq/usr.bin/doscmd/disktab.c

/*
 * Copyright (c) 1992, 1993, 1996
 *	Berkeley Software Design, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Berkeley Software
 *	Design, Inc.
 *
 * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	BSDI disktab.c,v 2.2 1996/04/08 19:32:27 bostic Exp
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

/* XXX goaway (requires change to config.c) */

#include "doscmd.h"

static struct {
	int	cylinders;
	int	heads;
	int	sectors;
} disk_table[] = {
	{  306,  4, 17 },	/* type 01   10M	*/
	{  615,  4, 17 },	/* type 02   20M	*/
	{  615,  6, 17 },	/* type 03   30M	*/
	{  940,  8, 17 },	/* type 04   62M	*/
	{  940,  6, 17 },	/* type 05   46M	*/
	{  615,  4, 17 },	/* type 06   20M	*/
	{  462,  8, 17 },	/* type 07   30M	*/
	{  733,  5, 17 },	/* type 08   30M	*/
	{  900, 15, 17 },	/* type 09   112M	*/
	{  820,  3, 17 },	/* type 10   20M	*/
	{  855,  5, 17 },	/* type 11   35M	*/
	{  855,  7, 17 },	/* type 12   49M	*/
	{  306,  8, 17 },	/* type 13   20M	*/
	{  733,  7, 17 },	/* type 14   42M	*/
	{  976, 15, 17 },	/* type 15   121M	*/
	{  612,  4, 17 },	/* type 16   20M	*/
	{  977,  5, 17 },	/* type 17   40M	*/
	{  977,  7, 17 },	/* type 18   56M	*/
	{ 1024,  7, 17 },	/* type 19   59M	*/
	{  733,  5, 17 },	/* type 20   30M	*/
	{  733,  7, 17 },	/* type 21   42M	*/
	{  733,  5, 17 },	/* type 22   30M	*/
	{  306,  4, 17 },	/* type 23   10M	*/
	{  925,  7, 17 },	/* type 24   53M	*/
	{  925,  9, 17 },	/* type 25   69M	*/
	{  754,  7, 17 },	/* type 26   43M	*/
	{  754, 11, 17 },	/* type 27   68M	*/
	{  699,  7, 17 },	/* type 28   40M	*/
	{  823, 10, 17 },	/* type 29   68M	*/
	{  918,  7, 17 },	/* type 30   53M	*/
	{ 1024, 11, 17 },	/* type 31   93M	*/
	{ 1024, 15, 17 },	/* type 32   127M	*/
	{ 1024,  5, 17 },	/* type 33   42M	*/
	{  612,  2, 17 },	/* type 34   10M	*/
	{ 1024,  9, 17 },	/* type 35   76M	*/
	{ 1024,  8, 17 },	/* type 36   68M	*/
	{  615,  8, 17 },	/* type 37   40M	*/
	{  987,  3, 17 },	/* type 38   24M	*/
	{  987,  7, 17 },	/* type 39   57M	*/
	{  820,  6, 17 },	/* type 40   40M	*/
	{  977,  5, 17 },	/* type 41   40M	*/
	{  981,  5, 17 },	/* type 42   40M	*/
	{  830,  7, 17 },	/* type 43   48M	*/
	{  830, 10, 17 },	/* type 44   68M	*/
	{  917, 15, 17 },	/* type 45   114M	*/
	{ 1224, 15, 17 },	/* type 46   152M	*/
};

static int ntypes = sizeof(disk_table)/sizeof(disk_table[0]);

int
map_type(int type, int *cyl, int *head, int *sec)
{
    --type;
    if (type < 0 || type >= ntypes)
	return(0);
    *cyl = disk_table[type].cylinders;
    *head = disk_table[type].heads;
    *sec = disk_table[type].sectors;
    return(1);
}