1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz and Don Ahn. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)clock.c 7.2 (Berkeley) 5/12/91 |
37 * $Id: clock.c,v 1.15 1994/08/18 05:09:21 davidg Exp $ |
38 */ 39 40/* 41 * Primitive clock interrupt routines. 42 */ 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/time.h> --- 8 unchanged lines hidden (view full) --- 54 55/* X-tals being what they are, it's nice to be able to fudge this one... */ 56/* Note, the name changed here from XTALSPEED to TIMER_FREQ rgrimes 4/26/93 */ 57#ifndef TIMER_FREQ 58#define TIMER_FREQ 1193182 /* XXX - should be in isa.h */ 59#endif 60#define TIMER_DIV(x) ((TIMER_FREQ+(x)/2)/(x)) 61 |
62static int beeping; 63int timer0_divisor = TIMER_DIV(100); /* XXX should be hz */ 64u_int timer0_prescale; 65static char timer0_state = 0, timer2_state = 0; 66static char timer0_reprogram = 0; 67static void (*timer_func)() = hardclock; 68static void (*new_function)(); 69static u_int new_rate; --- 470 unchanged lines hidden --- |