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