clock.h

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    1 /*
    2  * Garrett Wollman, September 1994.
    3  * This file is in the public domain.
    4  * Kernel interface to machine-dependent clock driver.
    5  *
    6  *      JNPR: clock.h,v 1.6.2.1 2007/08/29 09:36:05 girish
    7  *      from: src/sys/alpha/include/clock.h,v 1.5 1999/12/29 04:27:55 peter
    8  * $FreeBSD$
    9  */
   10 
   11 #ifndef _MACHINE_CLOCK_H_
   12 #define _MACHINE_CLOCK_H_
   13 
   14 #include <sys/bus.h>
   15 
   16 #ifdef _KERNEL
   17 
   18 extern int cpu_clock;
   19 
   20 #define wall_cmos_clock 0
   21 #define adjkerntz 0
   22 
   23 /*
   24  * Default is to assume a CPU pipeline clock of 100Mhz, and
   25  * that CP0_COUNT increments every 2 cycles.
   26  */
   27 #define MIPS_DEFAULT_HZ         (100 * 1000 * 1000)
   28 
   29 void    mips_timer_early_init(uint64_t clock_hz);
   30 void    mips_timer_init_params(uint64_t, int);
   31 
   32 extern uint64_t counter_freq;
   33 extern int      clocks_running;
   34 
   35 /*
   36  * The 'platform_timecounter' pointer may be used to register a
   37  * platform-specific timecounter.
   38  *
   39  * A default timecounter based on the CP0 COUNT register is always registered.
   40  */
   41 extern struct timecounter *platform_timecounter;
   42 
   43 #endif
   44 
   45 #endif /* !_MACHINE_CLOCK_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/mips/include/clock.h

FreeBSD/Linux Kernel Cross Reference
sys/mips/include/clock.h