timex.h 688 B

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  1. /*
  2. * arch/arm/include/asm/timex.h
  3. *
  4. * Copyright (C) 1997,1998 Russell King
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 as
  8. * published by the Free Software Foundation.
  9. *
  10. * Architecture Specific TIME specifications
  11. */
  12. #ifndef _ASMARM_TIMEX_H
  13. #define _ASMARM_TIMEX_H
  14. #include <asm/arch_timer.h>
  15. #ifdef CONFIG_ARCH_MULTIPLATFORM
  16. #define CLOCK_TICK_RATE 1000000
  17. #else
  18. #include <mach/timex.h>
  19. #endif
  20. typedef unsigned long cycles_t;
  21. #ifdef ARCH_HAS_READ_CURRENT_TIMER
  22. #define get_cycles() ({ cycles_t c; read_current_timer(&c) ? 0 : c; })
  23. #else
  24. #define get_cycles() (0)
  25. #endif
  26. #endif