| hpet.4 (212636) | hpet.4 (212779) |
|---|---|
| 1.\" Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/share/man/man4/hpet.4 212636 2010-09-15 07:10:39Z mav $ | 25.\" $FreeBSD: head/share/man/man4/hpet.4 212779 2010-09-17 04:55:01Z mav $ |
| 26.\" 27.Dd September 14, 2010 28.Dt HPET 4 29.Os 30.Sh NAME 31.Nm hpet 32.Nd High Precision Event Timer driver 33.Sh SYNOPSIS --- 55 unchanged lines hidden (view full) --- 89.Pp 90Depending on hardware capabilities and configuration, driver can expose each 91comparator as separate event timer or group them into one or several per-CPU 92event timers. In last case interrupt of every of those comparators within 93group is bound to specific CPU core. This is possible only when each 94of these comparators has own unsharable IRQ. 95.Sh SEE ALSO 96.Xr acpi 4 , | 26.\" 27.Dd September 14, 2010 28.Dt HPET 4 29.Os 30.Sh NAME 31.Nm hpet 32.Nd High Precision Event Timer driver 33.Sh SYNOPSIS --- 55 unchanged lines hidden (view full) --- 89.Pp 90Depending on hardware capabilities and configuration, driver can expose each 91comparator as separate event timer or group them into one or several per-CPU 92event timers. In last case interrupt of every of those comparators within 93group is bound to specific CPU core. This is possible only when each 94of these comparators has own unsharable IRQ. 95.Sh SEE ALSO 96.Xr acpi 4 , |
| 97.Xr attimer 4 , |
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| 97.Xr eventtimers 7 98.Sh HISTORY 99The 100.Nm 101driver first appeared in 102.Fx 6.3 . 103Support for event timers was added in 104.Fx 9.0 . | 98.Xr eventtimers 7 99.Sh HISTORY 100The 101.Nm 102driver first appeared in 103.Fx 6.3 . 104Support for event timers was added in 105.Fx 9.0 . |