cfe_env.c revision 211158
1/*- 2 * Copyright (c) 2009 Neelkanth Natu 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/param.h> 28#include <sys/kenv.h> 29 30#include <dev/cfe/cfe_api.h> 31 32__FBSDID("$FreeBSD: head/sys/dev/cfe/cfe_env.c 211158 2010-08-11 02:13:50Z neel $"); 33 34#ifndef CFE_ENV_SIZE 35#define CFE_ENV_SIZE PAGE_SIZE /* default is one page */ 36#endif 37 38extern void cfe_env_init(void); 39 40static char cfe_env_buf[CFE_ENV_SIZE]; 41 42void 43cfe_env_init(void) 44{ 45 int idx; 46 char name[KENV_MNAMELEN], val[KENV_MVALLEN]; 47 48 init_static_kenv(cfe_env_buf, CFE_ENV_SIZE); 49 50 idx = 0; 51 while (1) { 52 if (cfe_enumenv(idx, name, sizeof(name), val, sizeof(val)) != 0) 53 break; 54 55 if (setenv(name, val) != 0) { 56 printf("No space to store CFE env: \"%s=%s\"\n", 57 name, val); 58 } 59 ++idx; 60 } 61} 62