projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 0bc4a1ac WD |
1 | /* |
| 2 | * (C) Copyright 2000-2002 | |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 4 | * | |
| 5 | * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> | |
| 6 | * Andreas Heppel <aheppel@sysgo.de> | |
| 7 | ||
| 8 | * See file CREDITS for list of people who contributed to this | |
| 9 | * project. | |
| 10 | * | |
| 11 | * This program is free software; you can redistribute it and/or | |
| 12 | * modify it under the terms of the GNU General Public License as | |
| 13 | * published by the Free Software Foundation; either version 2 of | |
| 14 | * the License, or (at your option) any later version. | |
| 15 | * | |
| 16 | * This program is distributed in the hope that it will be useful, | |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 | * GNU General Public License for more details. | |
| 20 | * | |
| 21 | * You should have received a copy of the GNU General Public License | |
| 22 | * along with this program; if not, write to the Free Software | |
| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 24 | * MA 02111-1307 USA | |
| 25 | */ | |
| 26 | ||
| 27 | #include <common.h> | |
| 28 | ||
| 29 | #if defined(CFG_ENV_IS_NOWHERE) /* Environment is nowhere */ | |
| 30 | ||
| 31 | #include <command.h> | |
| 32 | #include <environment.h> | |
| 33 | #include <linux/stddef.h> | |
| 34 | #include <malloc.h> | |
| 35 | ||
| 36 | env_t *env_ptr = NULL; | |
| 37 | ||
| 38 | extern uchar default_environment[]; | |
| 39 | extern int default_environment_size; | |
| 40 | ||
| 41 | ||
| 42 | void env_relocate_spec (void) | |
| 43 | { | |
| 44 | } | |
| 45 | ||
| 46 | uchar env_get_char_spec (int index) | |
| 47 | { | |
| 48 | DECLARE_GLOBAL_DATA_PTR; | |
| 49 | ||
| 50 | return ( *((uchar *)(gd->env_addr + index)) ); | |
| 51 | } | |
| 52 | ||
| 53 | /************************************************************************ | |
| 54 | * Initialize Environment use | |
| 55 | * | |
| 56 | * We are still running from ROM, so data use is limited | |
| 57 | */ | |
| 58 | int env_init(void) | |
| 59 | { | |
| 60 | DECLARE_GLOBAL_DATA_PTR; | |
| 61 | ||
| 62 | gd->env_addr = (ulong)&default_environment[0]; | |
| 63 | gd->env_valid = 0; | |
| 64 | ||
| 65 | return (0); | |
| 66 | } | |
| 67 | ||
| 68 | #endif /* CFG_ENV_IS_NOWHERE) */ |