arch/arm/include/asm/timex.h

   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
  15 #include <asm/arch_timer.h>
  16 #ifdef CONFIG_ARCH_MULTIPLATFORM
  17 #define CLOCK_TICK_RATE 1000000
  18 #else
  19 #include <mach/timex.h>
  20 #endif
  21
  22 typedef unsigned long cycles_t;
  23
  24 #ifdef ARCH_HAS_READ_CURRENT_TIMER
  25 #define get_cycles()    ({ cycles_t c; read_current_timer(&c) ? 0 : c; })
  26 #else
  27 #define get_cycles()    (0)
  28 #endif
  29
  30 #endif