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linux_nap.c 1.0KB

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  1. /*
  2. * Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com>
  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 <ipxe/nap.h>
  20. #include <linux_api.h>
  21. /** @file
  22. *
  23. * iPXE CPU sleeping API for linux
  24. *
  25. */
  26. /**
  27. * Sleep until next CPU interrupt
  28. *
  29. */
  30. static void linux_cpu_nap(void)
  31. {
  32. linux_usleep(0);
  33. }
  34. PROVIDE_NAP(linux, cpu_nap, linux_cpu_nap);