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Diffstat (limited to 'usr.sbin/ofwdump/ofwdump.8')
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diff --git a/usr.sbin/ofwdump/ofwdump.8 b/usr.sbin/ofwdump/ofwdump.8 new file mode 100644 index 0000000..ad9cfa7 --- /dev/null +++ b/usr.sbin/ofwdump/ofwdump.8 @@ -0,0 +1,107 @@ +.\" Copyright (c) 2002 by Thomas Moestl <tmm@FreeBSD.org>. +.\" 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. +.\" +.\" 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 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. +.\" +.\" $FreeBSD$ +.\" +.Dd October 18, 2002 +.Dt OFWDUMP 8 +.Os +.Sh NAME +.Nm ofwdump +.Nd examine the Open Firmware device tree +.Sh SYNOPSIS +.Nm +.Fl a +.Op Fl p | P Ar property +.Op Fl R | S +.Nm +.Op Fl p | P Ar property +.Op Fl r +.Op Fl R | S +.Op Fl - +.Ar nodes +.Sh DESCRIPTION +The +.Nm +utility is used to examine the Open Firmware device tree. +In the first synopsis form, the complete device tree is printed; in the +second form, only the selected +.Ar nodes +will be examined. +.Pp +The following options are available: +.Bl -tag -width ".Fl P Ar property" +.It Fl a +Print the complete device tree. +.It Fl p +Print all available properties. +.It Fl P Ar property +Only print properties of the given name. +.It Fl R +Print properties in +.Dq raw +format, i.e., omit all headings and indentation and just write the +property values unaltered to the standard output. +This is intended to be used with the +.Fl P +option to extract the value of a single property. +.It Fl S +Print properties as strings; this is analogous to the +.Fl R +option, except that each property is only output to the first +.Dv NUL +character, and that newline is appended to each. +.It Fl r +Recursively print all children of the specified nodes. +.El +.Sh EXAMPLES +Print the complete device tree: +.Pp +.Dl "ofwdump -a" +.Pp +Print the complete device subtree of the +.Dq Li /pci +node, including all available properties: +.Pp +.Dl "ofwdump -pr /pci" +.Pp +Print the +.Dq Li compatible +property of the +.Dq Li /pci +node as plain string: +.Pp +.Dl "ofwdump -P compatible -S /pci" +.Sh SEE ALSO +.Xr eeprom 8 +.Sh HISTORY +The +.Nm +utility first appeared in +.Fx 5.0 . +.Sh AUTHORS +The +.Nm +utility +was written by +.An Thomas Moestl Aq tmm@FreeBSD.org . |