From f95ff62e5a5a7b24845eedbde843903084e1933a Mon Sep 17 00:00:00 2001 From: Martin Reindl Date: Mon, 29 Jan 2007 19:17:21 +0000 Subject: add manpages for physical and kernel virtual memory, plus onboard I/O ok jmc@ --- share/man/man4/man4.landisk/Makefile | 6 +-- share/man/man4/man4.landisk/mem.4 | 75 ++++++++++++++++++++++++++++++++++++ share/man/man4/man4.landisk/obio.4 | 70 +++++++++++++++++++++++++++++++++ 3 files changed, 148 insertions(+), 3 deletions(-) create mode 100644 share/man/man4/man4.landisk/mem.4 create mode 100644 share/man/man4/man4.landisk/obio.4 diff --git a/share/man/man4/man4.landisk/Makefile b/share/man/man4/man4.landisk/Makefile index 17b731440ac..21c8be6213f 100644 --- a/share/man/man4/man4.landisk/Makefile +++ b/share/man/man4/man4.landisk/Makefile @@ -1,7 +1,7 @@ -# $OpenBSD: Makefile,v 1.1 2007/01/15 22:37:47 martin Exp $ +# $OpenBSD: Makefile,v 1.2 2007/01/29 19:17:20 martin Exp $ -# TODO: intro obio autoconf mem -MAN= power.4 +# TODO: autoconf intro mainbus scif shb rsclock shpcic +MAN= obio.4 power.4 mem.4 MANSUBDIR=landisk #MLINKS+= mem.4 kmem.4 diff --git a/share/man/man4/man4.landisk/mem.4 b/share/man/man4/man4.landisk/mem.4 new file mode 100644 index 00000000000..8f06482a39d --- /dev/null +++ b/share/man/man4/man4.landisk/mem.4 @@ -0,0 +1,75 @@ +.\" $OpenBSD: mem.4,v 1.1 2007/01/29 19:17:20 martin Exp $ +.\" +.\" Copyright (c) 1991 The Regents of the University of California. +.\" 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. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. +.\" +.\" from: @(#)mem.4 5.3 (Berkeley) 5/2/91 +.\" +.Dd January 16, 2007 +.Dt MEM 4 landisk +.Os +.Sh NAME +.Nm mem , +.Nm kmem +.Nd memory files +.Sh DESCRIPTION +The special file +.Pa /dev/mem +is an interface to the physical memory of the computer. +Byte offsets in this file are interpreted as physical memory addresses. +Reading and writing this file is equivalent to reading and writing +memory itself. +Only offsets within the bounds of +.Pa /dev/mem +are allowed. +.Pp +Kernel virtual memory is accessed through the interface +.Pa /dev/kmem +in the same manner as +.Pa /dev/mem . +Only kernel virtual addresses that are currently mapped to memory are allowed. +.Pp +On landisk, physical memory is contiguous. +The kernel virtual memory begins at address +.Li 0xc0000000 . +.Pp +Writeability of these devices is controlled by the system +.Xr securelevel 7 . +.Sh FILES +.Bl -tag -width Pa -compact +.It Pa /dev/mem +.It Pa /dev/kmem +.El +.Sh SEE ALSO +.Xr securelevel 7 +.Sh HISTORY +The +.Pa /dev/mem +and +.Pa /dev/kmem +files appeared in +.At v6 . diff --git a/share/man/man4/man4.landisk/obio.4 b/share/man/man4/man4.landisk/obio.4 new file mode 100644 index 00000000000..322ea22689b --- /dev/null +++ b/share/man/man4/man4.landisk/obio.4 @@ -0,0 +1,70 @@ +.\" +.\" Copyright (c) 1997 Colin Wood +.\" 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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by Colin Wood +.\" for the NetBSD Project. +.\" 4. The name of the author may not be used to endorse or promote products +.\" derived from this software without specific prior written permission +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. +.\" +.\" $OpenBSD: obio.4,v 1.1 2007/01/29 19:17:20 martin Exp $ +.\" $NetBSD: obio.4,v 1.1 1997/07/18 02:13:40 ender Exp $ +.\" +.Dd January 16, 2007 +.Dt OBIO 4 landisk +.Os +.Sh NAME +.Nm obio +.Nd landisk onboard I/O bus device +.Sh SYNOPSIS +.Cd "obio0 at mainbus?" +.Sh DESCRIPTION +The +.Nm +interface serves as an abstraction used by the autoconfiguration +system to help find and attach devices +.Pq e.g. the disk controllers +connected to the +.Tn landisk +onboard I/O bus. +.Pp +.Ox +provides support for the following devices: +.Pp +.Bl -tag -width 12n -offset indent -compact +.It Xr power 4 +power switch +.It Xr wdc 4 +WD100x compatible hard disk controller driver +.El +.Sh SEE ALSO +.\".Xr intro 4 , +.\".Xr mainbus 4 , +.Xr power 4 , +.Xr wdc 4 +.Sh HISTORY +The +.Nm +driver first appeared in +.Ox 4.1 . -- cgit v1.2.3