diff options
| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:15 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:15 -0400 |
| commit | 253e67c8b3a72b3a4757fdbc5845297628db0a4a (patch) | |
| tree | adf53b66087aa30dfbf8bf391a1dadb044c3bf4d /static/netbsd/man4/clock.4 | |
| parent | a9157ce950dfe2fc30795d43b9d79b9d1bffc48b (diff) | |
docs: Added All NetBSD Manuals
Diffstat (limited to 'static/netbsd/man4/clock.4')
| -rw-r--r-- | static/netbsd/man4/clock.4 | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/static/netbsd/man4/clock.4 b/static/netbsd/man4/clock.4 new file mode 100644 index 00000000..c82866bf --- /dev/null +++ b/static/netbsd/man4/clock.4 @@ -0,0 +1,56 @@ +.\" $NetBSD: clock.4,v 1.4 2017/02/17 22:24:47 christos Exp $ +.\" +.\" Copyright (c) 1999 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed to The NetBSD Foundation +.\" by Steve C. Woodford. +.\" +.\" 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. +.\" +.Dd February 17, 2017 +.Dt CLOCK 4 mvme68k +.Os +.Sh NAME +.Nm clock +.Nd Clock driver for Motorola MVME68K Single Board Computers +.Sh SYNOPSIS +.Cd "clock0 at pcc? ipl 5" +.Cd "clock0 at pcctwo? ipl 5" +.Sh DESCRIPTION +The +.Nm +driver uses the counter/timer facilities of the MVME147's +.Nm pcc +driver or the MVME167/MVME177's +.Nm pcctwo +driver to provide two independent hardware clocks for use by the +.Nx +kernel. +.Pp +Both clock interrupts are set to 100Hz, with one used to provide +the master kernel stats clock tick. The other is used for profiling +purposes. +.Sh SEE ALSO +.Xr mvme68k/intro 4 , +.Xr mvme68k/pcc 4 , +.Xr mvme68k/pcctwo 4 |
