diff options
author | marius <marius@FreeBSD.org> | 2008-09-02 21:28:04 +0000 |
---|---|---|
committer | marius <marius@FreeBSD.org> | 2008-09-02 21:28:04 +0000 |
commit | 703faba8d0ca6a44c5abf5bf04813c72350f83a1 (patch) | |
tree | dc91276161db27185a1c408baeb6946e57c0786b /sys/sun4v | |
parent | 97e4608fa8e2ff64d202b0026df7fb256fdaedeb (diff) | |
download | FreeBSD-src-703faba8d0ca6a44c5abf5bf04813c72350f83a1.zip FreeBSD-src-703faba8d0ca6a44c5abf5bf04813c72350f83a1.tar.gz |
Resurrect clock.c from r164371.
Diffstat (limited to 'sys/sun4v')
-rw-r--r-- | sys/sun4v/sun4v/clock.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/sys/sun4v/sun4v/clock.c b/sys/sun4v/sun4v/clock.c new file mode 100644 index 0000000..37341fd --- /dev/null +++ b/sys/sun4v/sun4v/clock.c @@ -0,0 +1,67 @@ +/*- + * Copyright (c) 2001 Jake Burkholder. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <machine/clock.h> + +u_long tick_increment; +u_long tick_freq; +u_long tick_MHz; + +void +DELAY(int n) +{ + u_long start, end; + + start = rd(tick); + if (n < 0) + return; + end = start + (u_long)n * tick_MHz; + while (rd(tick) < end) + ; +} + +void +cpu_startprofclock(void) +{ +} + +void +cpu_stopprofclock(void) +{ +} + +int +sysbeep(int pitch, int period) +{ + /* + * XXX: function exists to enable RAID drivers to compile at the moment. + */ + return (0); +} |