1 /*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/6.0/sys/sparc64/sparc64/clock.c 110296 2003-02-03 17:53:15Z jake $
27 */
28
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <machine/clock.h>
32
33 u_long tick_increment;
34 u_long tick_freq;
35 u_long tick_MHz;
36
37 void
38 DELAY(int n)
39 {
40 u_long start, end;
41
42 start = rd(tick);
43 if (n < 0)
44 return;
45 end = start + (u_long)n * tick_MHz;
46 while (rd(tick) < end)
47 ;
48 }
49
50 void
51 cpu_startprofclock(void)
52 {
53 }
54
55 void
56 cpu_stopprofclock(void)
57 {
58 }
59
60 int
61 sysbeep(int pitch, int period)
62 {
63 /*
64 * XXX: function exists to enable RAID drivers to compile at the moment.
65 */
66 return (0);
67 }
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