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author | Joel Sherrill <joel.sherrill@oarcorp.com> | 2015-05-21 18:08:32 -0500 |
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committer | Joel Sherrill <joel.sherrill@oarcorp.com> | 2015-05-21 18:08:32 -0500 |
commit | 24acc6d0c092c244881dd6ffadc3782a8136fccc (patch) | |
tree | 864b4985a7a431bd3520e9d815927eee5315c2df /cpukit/score/include/sys/_ffcounter.h | |
parent | Merge branch 'master' of ssh://dispatch.rtems.org/data/git/rtems (diff) | |
parent | doc: Add new documentation section for Epiphany architecture (diff) | |
download | rtems-24acc6d0c092c244881dd6ffadc3782a8136fccc.tar.bz2 |
Merge branch 'master' of ssh://dispatch.rtems.org/data/git/rtems
Diffstat (limited to 'cpukit/score/include/sys/_ffcounter.h')
-rw-r--r-- | cpukit/score/include/sys/_ffcounter.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/cpukit/score/include/sys/_ffcounter.h b/cpukit/score/include/sys/_ffcounter.h new file mode 100644 index 0000000000..d83c48cd44 --- /dev/null +++ b/cpukit/score/include/sys/_ffcounter.h @@ -0,0 +1,42 @@ +/*- + * Copyright (c) 2011 The University of Melbourne + * All rights reserved. + * + * This software was developed by Julien Ridoux at the University of Melbourne + * under sponsorship from the FreeBSD Foundation. + * + * 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. + * + * $FreeBSD r277406 2015-01-20T03:54:30Z$ + */ + +#ifndef _SYS__FFCOUNTER_H_ +#define _SYS__FFCOUNTER_H_ + +/* + * The feed-forward clock counter. The fundamental element of a feed-forward + * clock is a wide monotonically increasing counter that accumulates at the same + * rate as the selected timecounter. + */ +typedef uint64_t ffcounter; + +#endif /* _SYS__FFCOUNTER_H_ */ |