1 /* $NetBSD: bootinfo.h,v 1.6 2012/05/28 19:24:29 martin Exp $ */ 2 3 /* 4 * Copyright (c) 1997 5 * Matthias Drochner. 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 BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #define BOOTINFO_MAGIC 0xb007babe 30 #define BOOTINFO_SIZE 1024 31 32 /* 33 * The bootinfo structure is placed at the end of the kernel, aligned 34 * to a page. 35 */ 36 37 struct btinfo_common { 38 int next; /* offset of next item, or zero */ 39 int type; 40 }; 41 42 #define BTINFO_MAGIC 1 43 #define BTINFO_SYMTAB 2 44 #define BTINFO_KERNELFILE 3 45 #define BTINFO_BOOTHOWTO 4 46 47 struct btinfo_magic { 48 struct btinfo_common common; 49 int magic; 50 }; 51 52 struct btinfo_symtab { 53 struct btinfo_common common; 54 int nsym; 55 int ssym; 56 int esym; 57 }; 58 59 struct btinfo_kernelfile { 60 struct btinfo_common common; 61 char name[1]; /* variable length */ 62 }; 63 64 struct btinfo_boothowto { 65 struct btinfo_common common; 66 int boothowto; 67 }; 68 69 #ifdef _KERNEL 70 void *lookup_bootinfo(int); 71 #endif 72