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bootinfo.h revision 1.2 
      1 /*	$NetBSD: bootinfo.h,v 1.2 2002/03/28 15:43:23 pk 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  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed for the NetBSD Project
     18  *	by Matthias Drochner.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  */
     34 
     35 #define BOOTINFO_MAGIC	0xb007babe
     36 #define BOOTINFO_SIZE	1024
     37 
     38 /*
     39  * The bootinfo structure is placed at the end of the kernel, aligned
     40  * to a page.
     41  */
     42 
     43 struct btinfo_common {
     44 	int next;		/* offset of next item, or zero */
     45 	int type;
     46 };
     47 
     48 #define BTINFO_MAGIC		1
     49 #define BTINFO_SYMTAB		2
     50 #define BTINFO_KERNELFILE	3
     51 
     52 struct btinfo_magic {
     53 	struct btinfo_common common;
     54 	int magic;
     55 };
     56 
     57 struct btinfo_symtab {
     58 	struct btinfo_common common;
     59 	int nsym;
     60 	int ssym;
     61 	int esym;
     62 };
     63 
     64 struct btinfo_kernelfile {
     65 	struct btinfo_common common;
     66 	char name[1];	/* variable length */
     67 };
     68 
     69 #ifdef _KERNEL
     70 void *lookup_bootinfo __P((int));
     71 #endif
     72