u-boot/common/env_nowhere.c
2002-09-18 11:09:59 +00:00

69 lines
1.7 KiB
C

/*
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Andreas Heppel <aheppel@sysgo.de>
* See file CREDITS for list of people who contributed to this
* project.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#if defined(CFG_ENV_IS_NOWHERE) /* Environment is nowhere */
#include <command.h>
#include <environment.h>
#include <linux/stddef.h>
#include <malloc.h>
env_t *env_ptr = NULL;
extern uchar default_environment[];
extern int default_environment_size;
void env_relocate_spec (void)
{
}
uchar env_get_char_spec (int index)
{
DECLARE_GLOBAL_DATA_PTR;
return ( *((uchar *)(gd->env_addr + index)) );
}
/************************************************************************
* Initialize Environment use
*
* We are still running from ROM, so data use is limited
*/
int env_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = 0;
return (0);
}
#endif /* CFG_ENV_IS_NOWHERE) */