time.h 1.3 KB

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  1. /*
  2. * GRUB -- GRand Unified Bootloader
  3. * Copyright (C) 2007, 2008 Free Software Foundation, Inc.
  4. *
  5. * GRUB is free software: you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation, either version 3 of the License, or
  8. * (at your option) any later version.
  9. *
  10. * GRUB is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
  17. */
  18. #ifndef KERNEL_TIME_HEADER
  19. #define KERNEL_TIME_HEADER 1
  20. #include <grub/types.h>
  21. #include <grub/symbol.h>
  22. #if !defined(GRUB_MACHINE_EMU) && !defined(GRUB_UTIL)
  23. #include <grub/cpu/time.h>
  24. #else
  25. static inline void
  26. grub_cpu_idle(void)
  27. {
  28. }
  29. #endif
  30. #define NSEC_PER_SEC ((grub_int64_t) 1000000000)
  31. void EXPORT_FUNC(grub_millisleep) (grub_uint32_t ms);
  32. grub_uint64_t EXPORT_FUNC(grub_get_time_ms) (void);
  33. grub_uint64_t grub_rtc_get_time_ms (void);
  34. static __inline void
  35. grub_sleep (grub_uint32_t s)
  36. {
  37. grub_millisleep (1000 * s);
  38. }
  39. void grub_install_get_time_ms (grub_uint64_t (*get_time_ms_func) (void));
  40. #endif /* ! KERNEL_TIME_HEADER */