1 /* $NetBSD: bootinfo.h,v 1.1 2014/02/24 07:23:43 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jonathan Stone, Michael Hitch and Simon Burge. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <machine/bootinfo.h> 33 34 #define BOOTINFO_MAXSIZE 1024 35 #define BOOTINFO_DATASIZE (BOOTINFO_MAXSIZE - 2 * sizeof(int)) 36 37 /* 38 * Structure that holds the information passed by the boot loader. 39 */ 40 struct bootinfo { 41 int bi_nentries; /* Number of bootinfo_* entries in bi_data. */ 42 int bi_offset; /* Offset into bi_data for next bootinfo_* */ 43 44 /* Raw data of bootinfo entries. The first one (if any) is 45 * found at &bi_data[0] and can be cast to (bootinfo_common *). 46 * Once this is done, the following entry is found at 'len' 47 * offset as specified by the previous entry. */ 48 char bi_data[BOOTINFO_DATASIZE]; 49 }; 50 51 extern struct bootinfo bootinfo; 52 53 #define BI_ADD(x, type, size) bi_add((struct btinfo_common *)(x), type, size) 54 55 void bi_init(void); 56 void bi_add(struct btinfo_common *, int, size_t); 57