1.\" $OpenBSD: vrtc.4,v 1.4 2013/07/16 16:05:50 schwarze Exp $ 2.\" 3.\" Copyright (c) 2008 Mark Kettenis <kettenis@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: July 16 2013 $ 18.Dt VRTC 4 sparc64 19.Os 20.Sh NAME 21.Nm vrtc 22.Nd virtual real-time clock 23.Sh SYNOPSIS 24.Cd "vrtc0 at vbus?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the time of day service provided by the 29UltraSPARC Hypervisor as found on sun4v systems. 30.Sh SEE ALSO 31.Xr intro 4 , 32.Xr vbus 4 33.Sh HISTORY 34The 35.Nm 36driver first appeared in 37.Ox 4.4 . 38.Sh AUTHORS 39The 40.Nm 41driver was written by 42.An Mark Kettenis Aq Mt kettenis@openbsd.org . 43