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.\" .\" Copyright (c) 2017 Netflix, Inc. .\" .\" 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 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 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 December 1, 2017 .Dt EFIDP 8 .Os .Sh NAME .Nm efidp .Nd UEFI Device Path manipulation .Sh SYNOPSIS .Nm .Op Fl fp .Op Fl -parse .Op Fl -format .Sh DESCRIPTION This program converts .Dq Unified Extensible Firmware Interface .Pq UEFI Device Paths, as defined in the UEFI standard, to and from binary form. Binary and textual forms are defined in Chapter 9 of the UEFI Specification. .Pp .Bl -tag -width 20m .It Fl f Fl -format Formats a binary UEFI Device Path into its canonical UTF-8 textual form. A binary Device Path can be no longer than 65536 bytes. The textual form must fit into 65536 bytes. Multiple binary device paths may be specified. .It Fl p Fl -parse Parses a UEFI Device Path UTF-8 specification and outputs the binary Device Path form. Only one device path is parsed, even if there are multiple present in the input. Leading white space is ignored. The resulting binary Device Path can be no longer than 65536 bytes. Multiple lines may be specified. Each one will be translated. .It Fl e Fl --to-efi Translate a Unix file path to an EFI Device Path. The output is the textual representation of the EFI Device Path. .It Fl u Fl --to-unix Translate an EFI device path to a Unix file path. The input is the textual representation of the EFI Device Path. .El .Sh SEE ALSO Appendix A of the UEFI specification has the format for GUIDs. All GUIDs .Dq Globally Unique Identifiers have the format described in RFC 4122. .Pp The Unified Extensible Firmware Interface Specification is available from .Pa www.uefi.org . .Sh HISTORY The .Nm utility first appeared in .Fx 11.1 .
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