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- .\" SPDX-License-Identifier: GPL-2.0
- .\" Copyright (C) 2022 Sean Anderson <seanga2@gmail.com>
- .TH DUMPIMAGE 1 2022-06-11 U-Boot
- .SH NAME
- dumpimage \- extract data from U-Boot images
- .
- .SH SYNOPSIS
- .SY dumpimage
- .OP \-T type
- .BI \-l\~ image
- .YS
- .SY dumpimage
- .OP \-T type
- .OP \-p position
- .BI \-o\~ outfile
- .I image
- .YS
- .SY dumpimage
- .B \-h
- .YS
- .SY dumpimage
- .B \-V
- .YS
- .
- .SH DESCRIPTION
- .B dumpimage
- lists and extracts data from U-Boot images. If
- .B \-l
- is specified,
- .B dumpimage
- lists the components in
- .IR image .
- Otherwise,
- .B dumpimage
- extracts the component at
- .IR position " to " outfile .
- .
- .SH OPTIONS
- .TP
- .B \-h
- Print usage information and exit.
- .
- .TP
- .B \-l
- Print the header information for
- .IR image ,
- including a list of components.
- .
- .TP
- .BI \-o " outfile"
- The file to write the dumped component to.
- .TP
- .BI \-p " position"
- Specify the
- .I position
- of the component to dump. This should be a numeric index, starting at 0. If not
- specified, the default
- .I position
- is 0.
- .
- .TP
- .BI \-T " type"
- Specify the
- .I type
- of the image. If not specified, the image type will be automatically detected. A
- list of supported image types may be printed by running
- .BR "mkimage\~\-T\~list" .
- .
- .TP
- .B \-V
- Print version information and exit.
- .
- .SH BUGS
- Please report bugs to the
- .UR https://\:source\:.denx\:.de/\:u-boot/\:u-boot/\:issues
- U-Boot bug tracker
- .UE .
- .SH EXAMPLES
- Create a multi-file image and then extract part of that image
- .PP
- .EX
- .in +4
- $ \c
- .B mkimage \-A x86 \-O linux \-T multi \-n x86 \\\\\&
- .in +4
- .B \-d vmlinuz:initrd.img:System.map multi.img
- .in
- Image Name: x86
- Created: Thu Jul 25 10:29:13 2013
- Image Type: Intel x86 Linux Multi-File Image (gzip compressed)
- Data Size: 13722956 Bytes = 13401.32 kB = 13.09 MB
- Load Address: 00000000
- Entry Point: 00000000
- Contents:
- Image 0: 4040128 Bytes = 3945.44 kB = 3.85 MB
- Image 1: 7991719 Bytes = 7804.41 kB = 7.62 MB
- Image 2: 1691092 Bytes = 1651.46 kB = 1.61 MB
- $ \c
- .B dumpimage -p 2 -o System.map multi.img
- .EE
- .in
- .SH SEE ALSO
- .BR mkimage (1)
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