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timer.c 1.4KB

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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., 51 Franklin Street, Fifth Floor, Boston, MA
  17. * 02110-1301, USA.
  18. *
  19. * You can also choose to distribute this program under the terms of
  20. * the Unmodified Binary Distribution Licence (as given in the file
  21. * COPYING.UBDL), provided that you have satisfied its requirements.
  22. */
  23. FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
  24. #include <unistd.h>
  25. /**
  26. * Delay for a fixed number of milliseconds
  27. *
  28. * @v msecs Number of milliseconds for which to delay
  29. */
  30. void mdelay ( unsigned long msecs ) {
  31. while ( msecs-- )
  32. udelay ( 1000 );
  33. }
  34. /**
  35. * Delay for a fixed number of seconds
  36. *
  37. * @v secs Number of seconds for which to delay
  38. */
  39. unsigned int sleep ( unsigned int secs ) {
  40. while ( secs-- )
  41. mdelay ( 1000 );
  42. return 0;
  43. }