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      1 /* $NetBSD: clock.c,v 1.3 2012/10/27 17:17:46 chs Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1992, 1993
      6  *	The Regents of the University of California.  All rights reserved.
      7  *
      8  * This code is derived from software contributed to Berkeley by
      9  * the Systems Programming Group of the University of Utah Computer
     10  * Science Department and Ralph Campbell.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     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: Utah Hdr: clock.c 1.18 91/01/21
     37  *
     38  *	@(#)clock.c	8.1 (Berkeley) 6/10/93
     39  */
     40 
     41 #include <sys/cdefs.h>
     42 __KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.3 2012/10/27 17:17:46 chs Exp $");
     43 
     44 #include <sys/param.h>
     45 #include <sys/kernel.h>
     46 #include <sys/systm.h>
     47 
     48 /* Maybe someday will need more flexibility */
     49 extern void eclock_init(device_t dev);
     50 
     51 
     52 /* Start the real-time and statistics clocks. Leave stathz 0 since there
     53  * are no other timers available.
     54  */
     55 void
     56 cpu_initclocks(void)
     57 {
     58     eclock_init(NULL);
     59 }
     60 
     61 /*
     62  * We assume newhz is either stathz or profhz, and that neither will
     63  * change after being set up above.  Could recalculate intervals here
     64  * but that would be a drag.
     65  */
     66 void
     67 setstatclockrate(int newhz)
     68 {
     69 	/* nothing we can do */
     70 }
     71 
     72