2 * Kernel interface to machine-dependent clock driver.
3 * Garrett Wollman, September 1994.
4 * This file is in the public domain.
9 #ifndef _MACHINE_CLOCK_H_
10 #define _MACHINE_CLOCK_H_
16 int sysbeep(int pitch, int period);
17 int acquire_timer2(int mode);
18 int release_timer2(void);
20 void decr_intr(struct trapframe *);
24 #endif /* !_MACHINE_CLOCK_H_ */