Add our doscmd to the tree. This is a result of work from BSDI, and

a group of dos emulator developers.
Submitted by:	Jonathan Lemon <jlemon@americantv.com>
Obtained from:	BSDI

1 files changed, 100 insertions, 0 deletions

diff --git a/usr.bin/doscmd/disktab.c b/usr.bin/doscmd/disktab.c
new file mode 100644
index 0000000..a9b0861
--- /dev/null
+++ b/usr.bin/doscmd/disktab.c
@@ -0,0 +1,100 @@
+/*
+ * 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
+ */
+
+/* XXX goaway (requires change to config.c) */
+
+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);
+}