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/* * Garrett Wollman, September 1994. * This file is in the public domain. * Kernel interface to machine-dependent clock driver. * * JNPR: clock.h,v 1.6.2.1 2007/08/29 09:36:05 girish * from: src/sys/alpha/include/clock.h,v 1.5 1999/12/29 04:27:55 peter * $FreeBSD: release/9.1.0/sys/mips/include/clock.h 210100 2010-07-15 01:58:20Z imp $ */ #ifndef _MACHINE_CLOCK_H_ #define _MACHINE_CLOCK_H_ #include <sys/bus.h> #ifdef _KERNEL extern int cpu_clock; extern uint32_t clockintr(uint32_t, struct trapframe *); #define wall_cmos_clock 0 #define adjkerntz 0 /* * Default is to assume a CPU pipeline clock of 100Mhz, and * that CP0_COUNT increments every 2 cycles. */ #define MIPS_DEFAULT_HZ (100 * 1000 * 1000) void mips_timer_early_init(uint64_t clock_hz); void mips_timer_init_params(uint64_t, int); extern uint64_t counter_freq; extern int clocks_running; /* * The 'platform_timecounter' pointer may be used to register a * platform-specific timecounter. * * A default timecounter based on the CP0 COUNT register is always registered. */ extern struct timecounter *platform_timecounter; #endif #endif /* !_MACHINE_CLOCK_H_ */