1 /* $OpenBSD: bootarg.h,v 1.11 2003/06/02 20:20:54 mickey Exp $ */
2
3 /*
4 * Copyright (c) 1996-1999 Michael Shalayeff
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26 * THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #define BOOTARG_APIVER (BAPIV_VECTOR|BAPIV_ENV|BAPIV_BMEMMAP)
30 #define BAPIV_ANCIENT 0x00000000 /* MD old i386 bootblocks */
31 #define BAPIV_VARS 0x00000001 /* MD structure w/ add info passed */
32 #define BAPIV_VECTOR 0x00000002 /* MI vector of MD structures passed */
33 #define BAPIV_ENV 0x00000004 /* MI environment vars vector */
34 #define BAPIV_BMEMMAP 0x00000008 /* MI memory map passed is in bytes */
35
36 typedef struct _boot_args {
37 int ba_type;
38 size_t ba_size;
39 struct _boot_args *ba_next;
40 int ba_arg[1];
41 } bootarg_t;
42
43 #define BOOTARG_ENV 0x1000
44 #define BOOTARG_END -1
45
46 #if defined(_KERNEL) || defined(_STANDALONE)
47 extern void *bootargv;
48 extern int bootargc;
49 extern bootarg_t *bootargp;
50 #endif
51
52 #ifdef _STANDALONE
53 void addbootarg(int, size_t, void *);
54 void makebootargs(caddr_t, size_t *);
55 #endif /* _STANDALONE */