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defs.h revision 1.10 
      1 /*	$NetBSD: defs.h,v 1.10 2007/03/01 16:49:48 garbled Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifdef USE_OPENFIRM
     40 #include <dev/ofw/openfirmio.h>
     41 #endif
     42 
     43 #ifdef USE_PREPNVRAM
     44 #include <machine/nvram.h>
     45 #endif
     46 
     47 #undef BUFSIZE
     48 #define BUFSIZE		1024
     49 
     50 #define IO_READ		0
     51 #define IO_WRITE	1
     52 
     53 #define MAXIMUM(a, b)	((a) > (b) ? (a) : (b))
     54 
     55 /*
     56  * Misc. location declarations.
     57  */
     58 #define EE_SIZE			0x500
     59 #define EE_WC_LOC		0x04
     60 #define EE_CKSUM_LOC		0x0c
     61 #define EE_HWUPDATE_LOC		0x10
     62 #define EE_BANNER_ENABLE_LOC	0x20
     63 
     64 /*
     65  * Keyword table entry.  Contains a pointer to the keyword, the
     66  * offset into the prom where the value lives, and a pointer to
     67  * the function that handles that value.
     68  */
     69 struct	keytabent {
     70 	char	*kt_keyword;		/* keyword for this entry */
     71 	u_int	kt_offset;		/* offset into prom of value */
     72 	void	(*kt_handler) (struct keytabent *, char *);
     73 					/* handler function for this entry */
     74 };
     75 
     76 /*
     77  * String-value table entry.  Maps a string to a numeric value and
     78  * vice-versa.
     79  */
     80 struct	strvaltabent {
     81 	char	*sv_str;		/* the string ... */
     82 	u_char	sv_val;			/* ... and the value */
     83 };
     84 
     85 #ifdef __sparc__
     86 struct	opiocdesc;
     87 /*
     88  * This is an entry in a table which describes a set of `exceptions'.
     89  * In other words, these are Openprom fields that we either can't
     90  * `just print' or don't know how to deal with.
     91  */
     92 struct	extabent {
     93 	char	*ex_keyword;		/* keyword for this entry */
     94 	void	(*ex_handler) (struct extabent *,
     95 		    struct opiocdesc *, char *);
     96 					/* handler function for this entry */
     97 };
     98 #endif /* __sparc__ */
     99 
    100 #ifdef USE_OPENFIRM
    101 struct	extabent {
    102 	char	*ex_keyword;		/* keyword for this entry */
    103 	void	(*ex_handler) (struct extabent *,
    104 		    struct ofiocdesc *, char *);
    105 					/* handler function for this entry */
    106 };
    107 #endif
    108 
    109 #ifdef USE_PREPNVRAM
    110 struct	extabent {
    111 	char	*ex_keyword;		/* keyword for this entry */
    112 	void	(*ex_handler) (struct extabent *,
    113 		    struct pnviocdesc *, char *);
    114 					/* handler function for this entry */
    115 };
    116 #endif
    117 
    118 
    119 /* Sun 3/4 EEPROM handlers. */
    120 void	ee_action (char *, char *);
    121 void	ee_dump (void);
    122 void	ee_hwupdate (struct keytabent *, char *);
    123 void	ee_num8 (struct keytabent *, char *);
    124 void	ee_num16 (struct keytabent *, char *);
    125 void	ee_screensize (struct keytabent *, char *);
    126 void	ee_truefalse (struct keytabent *, char *);
    127 void	ee_bootdev (struct keytabent *, char *);
    128 void	ee_kbdtype (struct keytabent *, char *);
    129 void	ee_constype (struct keytabent *, char *);
    130 void	ee_diagpath (struct keytabent *, char *);
    131 void	ee_banner (struct keytabent *, char *);
    132 void	ee_notsupp (struct keytabent *, char *);
    133 
    134 /* Sun 3/4 EEPROM checksum routines. */
    135 u_char	ee_checksum (u_char *, size_t);
    136 void	ee_updatechecksums (void);
    137 void	ee_verifychecksums (void);
    138 
    139 #ifdef __sparc__
    140 /* Sparc Openprom handlers. */
    141 char	*op_handler (char *, char *);
    142 void	op_action (char *, char *);
    143 void	op_dump (void);
    144 int	check_for_openprom (void);
    145 #endif /* __sparc__ */
    146 
    147 /* OpenFirmware handlers. */
    148 char	*of_handler (char *, char *);
    149 void	of_action (char *, char *);
    150 void	of_dump (void);
    151 
    152 /* PReP nvram handlers. */
    153 char	*prep_handler (char *, char *);
    154 void	prep_action (char *, char *);
    155 void	prep_dump (void);
    156