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/*
* $Id$
*
* Generic PROM routines
*
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/string.h>
#include <asm/bootinfo.h>
#include <prom/generic.h>
static int *_prom_argc;
static char **_prom_argv;
static char **_prom_envp;
char *generic_prom_getenv(char *envname)
{
char **env;
char *ret;
ret = NULL;
for (env = _prom_envp; *env != NULL; env++) {
if (strcmp(envname, *env++) == 0) {
ret = *env;
break;
}
}
return ret;
}
int generic_prom_present(void)
{
_prom_argc = (int *)fw_arg0;
_prom_argv = (char **)fw_arg1;
_prom_envp = (char **)fw_arg2;
return 1;
}
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