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author | wdenk <wdenk> | 2002-09-18 11:09:59 +0000 |
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committer | wdenk <wdenk> | 2002-09-18 11:09:59 +0000 |
commit | 0bc4a1ac8198c46355b984cd91c749da2753baa4 (patch) | |
tree | 69414339786618d02460343eb6e45fedc2377f3a /common/env_nowhere.c | |
parent | ab255f26f96519e44b295d7b0f4883a03c5cbfc8 (diff) | |
download | u-boot-imx-0bc4a1ac8198c46355b984cd91c749da2753baa4.zip u-boot-imx-0bc4a1ac8198c46355b984cd91c749da2753baa4.tar.gz u-boot-imx-0bc4a1ac8198c46355b984cd91c749da2753baa4.tar.bz2 |
Initial revision
Diffstat (limited to 'common/env_nowhere.c')
-rw-r--r-- | common/env_nowhere.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/common/env_nowhere.c b/common/env_nowhere.c new file mode 100644 index 0000000..b274c03 --- /dev/null +++ b/common/env_nowhere.c @@ -0,0 +1,68 @@ +/* + * (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) */ |