kernel: Use hashdestroy() to free hash tables allocated with hashinit().
[dragonfly.git] / usr.bin / doscmd / emuint.h
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1/*
2 * Copyright (c) 1997 Helmut Wirth <hfwirth@ping.at>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice immediately at the beginning of the file, witout modification,
10 * this list of conditions, and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: src/usr.bin/doscmd/emuint.h,v 1.2 1999/08/28 01:00:14 peter Exp $
1de703da 29 * $DragonFly: src/usr.bin/doscmd/emuint.h,v 1.2 2003/06/17 04:29:26 dillon Exp $
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30 */
31
32
33/*
34 * The emulator helper interrupt:
35 *
36 * Interrupt 0xFF is used by some emulator functions. It is a portal into
37 * the emulator and cannot be used by ordinary DOS applications directly
38 * The interrupt 0xFF is called by helper functions under DOS (such as
39 * the redirector interfcae and the EMS emulation).
40 * There are functions and subfunctions defined. (See emuint.c for details)
41 */
42
43/* The redirector interface (formerly instbsdi.exe) */
44#define EMU_REDIR 0x1 /* Function for redirector interface */
45/* No subfunctions defined */
46
47/* Expanded memory (EMS) driver callback */
48#define EMU_EMS 0x2 /* Function for EMS driver control */
49/* subfunctions for EMS */
50#define EMU_EMS_CTL 0x0 /* Control function, used during init */
51#define EMU_EMS_CALL 0x1 /* Callback, calls are routed via this */