diff options
author | tmm <tmm@FreeBSD.org> | 2002-10-18 15:37:15 +0000 |
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committer | tmm <tmm@FreeBSD.org> | 2002-10-18 15:37:15 +0000 |
commit | 3f2ca46f9442e029d5fbc7982c228c7af016ede4 (patch) | |
tree | f9d0a6325c1e356c145d264a9b450c6f6ecdaebd /usr.sbin/ofwdump/ofwdump.8 | |
parent | cc168019aee616ef6c9c8d73d6f14c06b4826eb6 (diff) | |
download | FreeBSD-src-3f2ca46f9442e029d5fbc7982c228c7af016ede4.zip FreeBSD-src-3f2ca46f9442e029d5fbc7982c228c7af016ede4.tar.gz |
Add a utility to examine the OpenFirmware device tree (on sparc64). This
allows access to detailed machine configuration information, and should
be especially useful to gather information for driver-related bug
reports.
Diffstat (limited to 'usr.sbin/ofwdump/ofwdump.8')
-rw-r--r-- | usr.sbin/ofwdump/ofwdump.8 | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/usr.sbin/ofwdump/ofwdump.8 b/usr.sbin/ofwdump/ofwdump.8 new file mode 100644 index 0000000..6dc7cb4 --- /dev/null +++ b/usr.sbin/ofwdump/ofwdump.8 @@ -0,0 +1,104 @@ +.\" 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 OpenFirmware 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 OpenFirmware 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 +.Pp +.Sh HISTORY +The +.Nm +utility first appeared in +.Fx 5.0 . +.Sh AUTHORS +.Nm +was written by +.An Thomas Moestl Aq tmm@FreeBSD.org . |