/*      $NetBSD: bootinfo.h,v 1.6 2010/10/27 10:33:23 kiyohara 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.
*
*/

#ifndef _MACHINE_BOOTINFO_H_
#define _MACHINE_BOOTINFO_H_

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

#define BTINFO_MEMORY           0
#define BTINFO_CONSOLE          1
#define BTINFO_CLOCK            2
#define BTINFO_ROOTDEVICE       3

struct btinfo_memory {
       struct btinfo_common common;
       int memsize;
};

struct btinfo_console {
       struct btinfo_common common;
       char devname[4];
       int addr;
       int speed;
};

struct btinfo_clock {
       struct btinfo_common common;
       int ticks_per_sec;
};

struct btinfo_rootdevice {
       struct btinfo_common common;
       char rootdevice[80];                    /* XXXX */
};

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

#define BOOTINFO_MAXSIZE        0xd0

#endif  /* _MACHINE_BOOTINFO_H_ */