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bootinfo.h revision 1.5 
      1 /*	$NetBSD: bootinfo.h,v 1.5 2010/05/16 11:27:49 phx 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 #ifndef	_MACHINE_BOOTINFO_H_
     30 #define _MACHINE_BOOTINFO_H_
     31 
     32 #define BOOTINFO_MAGIC	0xb007babe
     33 
     34 struct btinfo_common {
     35 	int next;		/* offset of next item, or zero */
     36 	int type;
     37 };
     38 
     39 #define BTINFO_MAGIC		1
     40 #define BTINFO_MEMORY		2
     41 #define BTINFO_CONSOLE		3
     42 #define BTINFO_CLOCK		4
     43 #define BTINFO_BOOTPATH		5
     44 #define BTINFO_ROOTDEVICE	6
     45 #define BTINFO_NET		7
     46 
     47 struct btinfo_magic {
     48 	struct btinfo_common common;
     49 	unsigned magic;
     50 };
     51 
     52 struct btinfo_memory {
     53 	struct btinfo_common common;
     54 	int memsize;
     55 };
     56 
     57 struct btinfo_console {
     58 	struct btinfo_common common;
     59 	char devname[8];
     60 	int addr;
     61 	int speed;
     62 };
     63 
     64 struct btinfo_clock {
     65 	struct btinfo_common common;
     66 	int ticks_per_sec;
     67 };
     68 
     69 struct btinfo_bootpath {
     70 	struct btinfo_common common;
     71 	char bootpath[80];
     72 };
     73 
     74 struct btinfo_rootdevice {
     75 	struct btinfo_common common;
     76 	char devname[16];
     77 	unsigned cookie;
     78 };
     79 
     80 struct btinfo_net {
     81 	struct btinfo_common common;
     82 	char devname[16];
     83 	uint8_t mac_address[6];
     84 };
     85 
     86 #define BOOTINFO_MAXSIZE 4096
     87 
     88 #ifdef _KERNEL
     89 void *lookup_bootinfo(int);
     90 #endif
     91 
     92 #endif	/* _MACHINE_BOOTINFO_H_ */
     93