1 /* $NetBSD: memswitch.h,v 1.1.1.1 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