env_nowhere.c 1.5 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859
  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. * 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 = NULL;
  31. extern uchar default_environment[];
  32. void env_relocate_spec (void)
  33. {
  34. }
  35. uchar env_get_char_spec (int index)
  36. {
  37. return ( *((uchar *)(gd->env_addr + index)) );
  38. }
  39. /************************************************************************
  40. * Initialize Environment use
  41. *
  42. * We are still running from ROM, so data use is limited
  43. */
  44. int env_init(void)
  45. {
  46. gd->env_addr = (ulong)&default_environment[0];
  47. gd->env_valid = 0;
  48. return (0);
  49. }