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memswitch.h revision 1.1 
      1 /*	$NetBSD: memswitch.h,v 1.1 1999/06/21 15:56:03 minoura Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Minoura Makoto.
      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 /* memswitch.h */
     40 
     41 #include <paths.h>
     42 
     43 #ifndef _PATH_DEVSRAM
     44 #define _PATH_DEVSRAM "/dev/sram"
     45 #endif
     46 
     47 #define PROP_MAGIC1 (0)
     48 #define PROP_MAGIC2 (1)
     49 #define MAGIC1	(0x82773638)
     50 #define MAGIC2	(0x30303057)
     51 #define MAXVALUELEN 100
     52 
     53 struct property;
     54 
     55 typedef int (*parse_t) __P((struct property*, const char*));
     56 typedef int (*print_t) __P((struct property*, char*));
     57 typedef int (*fill_t) __P((struct property*));
     58 typedef int (*flush_t) __P((struct property*));
     59 
     60 struct property {
     61 	const char *class;
     62 	const char *node;
     63 	int offset;
     64 	int size;
     65 	int value_valid;
     66 	union value {
     67 		unsigned char byte[4];
     68 		unsigned short word[2];
     69 		unsigned long longword;
     70 		void *pointer;
     71 	} current_value;
     72 	int modified;
     73 	union value modified_value;
     74 	union value default_value;
     75 	parse_t parse;
     76 	int min, max;
     77 	print_t print;
     78 	fill_t fill;
     79 	flush_t flush;
     80 	const char *descr;
     81 };
     82 
     83 extern int number_of_props;
     84 extern struct property properties[];
     85 extern char *progname;
     86 extern u_int8_t *current_values;
     87 extern u_int8_t *modified_values;
     88 
     89 void usage __P((void)) __attribute__((noreturn));
     90 void show_single __P((const char*));
     91 void show_all __P((void));
     92 void modify_single __P((const char*));
     93 void help_single __P((const char*));
     94 void alloc_current_values __P((void));
     95 void alloc_modified_values __P((void));
     96 void flush __P((void));
     97 int save __P((const char*));
     98 int restore __P((const char*));
     99