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      1 /*      $NetBSD: bootinfo.h,v 1.5 2012/01/21 19:44:30 nonaka Exp $	*/
      2 
      3 /*-
      4  * Copyright (C) 2009 NONAKA Kimihiro <nonaka (at) netbsd.org>
      5  * 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 #ifndef	_ZAURUS_BOOTINFO_H_
     29 #define	_ZAURUS_BOOTINFO_H_
     30 
     31 #define BOOTARGS_BUFSIZ	256
     32 #define	BOOTARGS_MAGIC	0x4f425344
     33 
     34 #define BOOTINFO_MAXSIZE (BOOTARGS_BUFSIZ - sizeof(uint32_t)) /* uint32_t for magic */
     35 
     36 #define BTINFO_BOOTDISK		0
     37 #define BTINFO_HOWTO		1
     38 #define BTINFO_CONSDEV		2
     39 #define BTINFO_ROOTDEVICE	3
     40 #define BTINFO_MAX		4
     41 
     42 #ifndef	_LOCORE
     43 
     44 struct btinfo_common {
     45 	int len;
     46 	int type;
     47 };
     48 
     49 struct btinfo_bootdisk {
     50 	struct btinfo_common common;
     51 	int labelsector; /* label valid if != -1 */
     52 	struct {
     53 		uint16_t type, checksum;
     54 		char packname[16];
     55 	} label;
     56 	int biosdev;
     57 	int partition;
     58 };
     59 
     60 struct btinfo_howto {
     61 	struct btinfo_common common;
     62 	u_int howto;
     63 };
     64 
     65 struct btinfo_console {
     66 	struct btinfo_common common;
     67 	char devname[16];
     68 	int addr;
     69 	int speed;
     70 };
     71 
     72 struct btinfo_rootdevice {
     73 	struct btinfo_common common;
     74 	char devname[16];
     75 };
     76 
     77 struct bootinfo {
     78         int nentries;
     79 	char info[BOOTINFO_MAXSIZE - sizeof(int)];
     80 };
     81 
     82 #endif /* _LOCORE */
     83 
     84 #ifdef _KERNEL
     85 void *lookup_bootinfo(int type);
     86 #endif
     87 
     88 #endif	/* _ZAURUS_BOOTINFO_H_ */
     89