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664a31e496
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/*
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* Kernel interface to machine-dependent clock driver.
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* Garrett Wollman, September 1994.
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* This file is in the public domain.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_CLOCK_H_
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#define _MACHINE_CLOCK_H_
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#ifdef _KERNEL
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/*
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* i386 to clock driver interface.
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* XXX large parts of the driver and its interface are misplaced.
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*/
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extern int adjkerntz;
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extern int disable_rtc_set;
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extern int statclock_disable;
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extern u_int timer_freq;
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extern int timer0_max_count;
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extern u_int tsc_freq;
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extern int tsc_is_broken;
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extern int wall_cmos_clock;
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#ifdef APIC_IO
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extern int apic_8254_intr;
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#endif
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/*
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* Driver to clock driver interface.
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*/
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struct clockframe;
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void DELAY __P((int usec));
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int acquire_timer0 __P((int rate,
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void (*function)(struct clockframe *frame)));
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int acquire_timer2 __P((int mode));
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int release_timer0 __P((void));
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int release_timer2 __P((void));
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#ifndef PC98
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int rtcin __P((int val));
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#else
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int acquire_timer1 __P((int mode));
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int release_timer1 __P((void));
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#endif
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int sysbeep __P((int pitch, int period));
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void i8254_restore __P((void));
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#endif /* _KERNEL */
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#endif /* !_MACHINE_CLOCK_H_ */
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