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memswitch.h
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memswitch.h
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/* $NetBSD: memswitch.h,v 1.1.1.1 1999/06/21 15:56:03 minoura Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Minoura Makoto.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* memswitch.h */
#include <paths.h>
#ifndef _PATH_DEVSRAM
#define _PATH_DEVSRAM "/dev/sram"
#endif
#define PROP_MAGIC1 (0)
#define PROP_MAGIC2 (1)
#define MAGIC1 (0x82773638)
#define MAGIC2 (0x30303057)
#define MAXVALUELEN 100
struct property;
typedef int (*parse_t) __P((struct property*, const char*));
typedef int (*print_t) __P((struct property*, char*));
typedef int (*fill_t) __P((struct property*));
typedef int (*flush_t) __P((struct property*));
struct property {
const char *class;
const char *node;
int offset;
int size;
int value_valid;
union value {
unsigned char byte[4];
unsigned short word[2];
unsigned long longword;
void *pointer;
} current_value;
int modified;
union value modified_value;
union value default_value;
parse_t parse;
int min, max;
print_t print;
fill_t fill;
flush_t flush;
const char *descr;
};
extern int number_of_props;
extern struct property properties[];
extern char *progname;
extern u_int8_t *current_values;
extern u_int8_t *modified_values;
void usage __P((void)) __attribute__((noreturn));
void show_single __P((const char*));
void show_all __P((void));
void modify_single __P((const char*));
void help_single __P((const char*));
void alloc_current_values __P((void));
void alloc_modified_values __P((void));
void flush __P((void));
int save __P((const char*));
int restore __P((const char*));