mirror of
https://github.com/Stichting-MINIX-Research-Foundation/netbsd.git
synced 2025-09-10 23:56:52 -04:00
57 lines
2.3 KiB
C
57 lines
2.3 KiB
C
/* $NetBSD: bootinfo.h,v 1.1 2014/02/24 07:23:43 skrll Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1999 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Jonathan Stone, Michael Hitch and Simon Burge.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``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 THE FOUNDATION OR CONTRIBUTORS
|
|
* 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.
|
|
*/
|
|
|
|
#include <machine/bootinfo.h>
|
|
|
|
#define BOOTINFO_MAXSIZE 1024
|
|
#define BOOTINFO_DATASIZE (BOOTINFO_MAXSIZE - 2 * sizeof(int))
|
|
|
|
/*
|
|
* Structure that holds the information passed by the boot loader.
|
|
*/
|
|
struct bootinfo {
|
|
int bi_nentries; /* Number of bootinfo_* entries in bi_data. */
|
|
int bi_offset; /* Offset into bi_data for next bootinfo_* */
|
|
|
|
/* Raw data of bootinfo entries. The first one (if any) is
|
|
* found at &bi_data[0] and can be cast to (bootinfo_common *).
|
|
* Once this is done, the following entry is found at 'len'
|
|
* offset as specified by the previous entry. */
|
|
char bi_data[BOOTINFO_DATASIZE];
|
|
};
|
|
|
|
extern struct bootinfo bootinfo;
|
|
|
|
#define BI_ADD(x, type, size) bi_add((struct btinfo_common *)(x), type, size)
|
|
|
|
void bi_init(void);
|
|
void bi_add(struct btinfo_common *, int, size_t);
|