| .\" 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) |