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bootinfo.h revision 1.2.68.1 
      1 /*      $NetBSD: bootinfo.h,v 1.2.68.1 2009/05/13 17:18:51 jym 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 REGENTS AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef	_ZAURUS_BOOTINFO_H_
     30 #define	_ZAURUS_BOOTINFO_H_
     31 
     32 #define BOOTARGS_BUFSIZ	256
     33 #define	BOOTARGS_MAGIC	0x4f425344
     34 
     35 #define BOOTINFO_MAXSIZE (BOOTARGS_BUFSIZ - sizeof(uint32_t)) /* uint32_t for magic */
     36 
     37 #define BTINFO_BOOTDISK		0
     38 #define BTINFO_HOWTO		1
     39 #define BTINFO_CONSDEV		2
     40 #define BTINFO_ROOTDEVICE	3
     41 #define BTINFO_MAX		4
     42 
     43 #ifndef	_LOCORE
     44 
     45 struct btinfo_common {
     46 	int len;
     47 	int type;
     48 };
     49 
     50 struct btinfo_bootdisk {
     51 	struct btinfo_common common;
     52 	int labelsector; /* label valid if != -1 */
     53 	struct {
     54 		uint16_t type, checksum;
     55 		char packname[16];
     56 	} label;
     57 	int biosdev;
     58 	int partition;
     59 };
     60 
     61 struct btinfo_howto {
     62 	struct btinfo_common common;
     63 	u_int howto;
     64 };
     65 
     66 struct btinfo_console {
     67 	struct btinfo_common common;
     68 	char devname[16];
     69 	int addr;
     70 	int speed;
     71 };
     72 
     73 struct btinfo_rootdevice {
     74 	struct btinfo_common common;
     75 	char devname[16];
     76 };
     77 
     78 struct bootinfo {
     79         int nentries;
     80 	char info[BOOTINFO_MAXSIZE - sizeof(int)];
     81 };
     82 
     83 #endif /* _LOCORE */
     84 
     85 #ifdef _KERNEL
     86 void *lookup_bootinfo(int type);
     87 #endif
     88 
     89 #endif	/* _ZAURUS_BOOTINFO_H_ */
     90