env_nowhere.c 1.4 KB

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  1. /*
  2. * (C) Copyright 2000-2010
  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. * See file CREDITS for list of people who contributed to this
  8. * project.
  9. *
  10. * This program is free software; you can redistribute it and/or
  11. * modify it under the terms of the GNU General Public License as
  12. * published by the Free Software Foundation; either version 2 of
  13. * the License, or (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public License
  21. * along with this program; if not, write to the Free Software
  22. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23. * MA 02111-1307 USA
  24. */
  25. #include <common.h>
  26. #include <command.h>
  27. #include <environment.h>
  28. #include <linux/stddef.h>
  29. DECLARE_GLOBAL_DATA_PTR;
  30. env_t *env_ptr;
  31. void env_relocate_spec(void)
  32. {
  33. }
  34. uchar env_get_char_spec(int index)
  35. {
  36. return *((uchar *)(gd->env_addr + index));
  37. }
  38. /*
  39. * Initialize Environment use
  40. *
  41. * We are still running from ROM, so data use is limited
  42. */
  43. int env_init(void)
  44. {
  45. gd->env_addr = (ulong)&default_environment[0];
  46. gd->env_valid = 0;
  47. return 0;
  48. }