/*      $NetBSD: bootinfo.h,v 1.6 2012/05/28 19:24:29 martin Exp $      */

/*
* Copyright (c) 1997
*      Matthias Drochner.  All rights reserved.
*
* 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 AUTHOR ``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 AUTHOR 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.
*
*/

#define BOOTINFO_MAGIC  0xb007babe
#define BOOTINFO_SIZE   1024

/*
* The bootinfo structure is placed at the end of the kernel, aligned
* to a page.
*/

struct btinfo_common {
       int next;               /* offset of next item, or zero */
       int type;
};

#define BTINFO_MAGIC            1
#define BTINFO_SYMTAB           2
#define BTINFO_KERNELFILE       3
#define BTINFO_BOOTHOWTO        4

struct btinfo_magic {
       struct btinfo_common common;
       int magic;
};

struct btinfo_symtab {
       struct btinfo_common common;
       int nsym;
       int ssym;
       int esym;
};

struct btinfo_kernelfile {
       struct btinfo_common common;
       char name[1];   /* variable length */
};

struct btinfo_boothowto {
       struct btinfo_common common;
       int boothowto;
};

#ifdef _KERNEL
void *lookup_bootinfo(int);
#endif