1 /*-
2 * Copyright (C) 1994 by Rodney W. Grimes, Milwaukie, Oregon 97222
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, this list of conditions and the following disclaimer as
10 * the first lines of this file unmodified.
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. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Rodney W. Grimes.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY RODNEY W. GRIMES ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL RODNEY W. GRIMES BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: src/sys/i386/include/bootinfo.h,v 1.5.8.1 1999/09/05 08:11:38 peter Exp $
33 */
34
35 #ifndef _MACHINE_BOOTINFO_H_
36 #define _MACHINE_BOOTINFO_H_
37
38 /* Only change the version number if you break compatibility. */
39 #define BOOTINFO_VERSION 1
40
41 #define N_BIOS_GEOM 8
42
43 /*
44 * A zero bootinfo field often means that there is no info available.
45 * Flags are used to indicate the validity of fields where zero is a
46 * normal value.
47 */
48 struct bootinfo {
49 unsigned int bi_version;
50 unsigned char *bi_kernelname;
51 struct nfs_diskless *bi_nfs_diskless;
52 /* End of fields that are always present. */
53 #define bi_endcommon bi_n_bios_used
54 unsigned int bi_n_bios_used;
55 unsigned long bi_bios_geom[N_BIOS_GEOM];
56 unsigned int bi_size;
57 unsigned char bi_memsizes_valid;
58 unsigned char bi_pad[3];
59 unsigned long bi_basemem;
60 unsigned long bi_extmem;
61 unsigned long bi_symtab;
62 unsigned long bi_esymtab;
63 };
64
65 #ifdef KERNEL
66 extern struct bootinfo bootinfo;
67 #endif
68
69 #endif /* !_MACHINE_BOOTINFO_H_ */
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