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timer.c 1.2KB

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  1. /*
  2. * Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public License as
  6. * published by the Free Software Foundation; either version 2 of the
  7. * License, or any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful, but
  10. * WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17. */
  18. FILE_LICENCE ( GPL2_OR_LATER );
  19. #include <unistd.h>
  20. /**
  21. * Delay for a fixed number of milliseconds
  22. *
  23. * @v msecs Number of milliseconds for which to delay
  24. */
  25. void mdelay ( unsigned long msecs ) {
  26. while ( msecs-- )
  27. udelay ( 1000 );
  28. }
  29. /**
  30. * Delay for a fixed number of seconds
  31. *
  32. * @v secs Number of seconds for which to delay
  33. */
  34. unsigned int sleep ( unsigned int secs ) {
  35. while ( secs-- )
  36. mdelay ( 1000 );
  37. return 0;
  38. }