projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| e297f874 SA |
1 | .\" SPDX-License-Identifier: GPL-2.0 |
| 2 | .\" Copyright (C) 2022 Sean Anderson <[email protected]> | |
| 3 | .TH DUMPIMAGE 1 2022-06-11 U-Boot | |
| 4 | .SH NAME | |
| 5 | dumpimage \- extract data from U-Boot images | |
| 6 | . | |
| 7 | .SH SYNOPSIS | |
| 8 | .SY dumpimage | |
| 9 | .OP \-T type | |
| 10 | .BI \-l\~ image | |
| 11 | .YS | |
| 12 | .SY dumpimage | |
| 13 | .OP \-T type | |
| 14 | .OP \-p position | |
| 15 | .BI \-o\~ outfile | |
| 16 | .I image | |
| 17 | .YS | |
| 18 | .SY dumpimage | |
| 19 | .B \-h | |
| 20 | .YS | |
| 21 | .SY dumpimage | |
| 22 | .B \-V | |
| 23 | .YS | |
| 24 | . | |
| 25 | .SH DESCRIPTION | |
| 26 | .B dumpimage | |
| 27 | lists and extracts data from U-Boot images. If | |
| 28 | .B \-l | |
| 29 | is specified, | |
| 30 | .B dumpimage | |
| 31 | lists the components in | |
| 32 | .IR image . | |
| 33 | Otherwise, | |
| 34 | .B dumpimage | |
| 35 | extracts the component at | |
| 36 | .IR position " to " outfile . | |
| 37 | . | |
| 38 | .SH OPTIONS | |
| 39 | .TP | |
| 40 | .B \-h | |
| 41 | Print usage information and exit. | |
| 42 | . | |
| 43 | .TP | |
| 44 | .B \-l | |
| 45 | Print the header information for | |
| 46 | .IR image , | |
| 47 | including a list of components. | |
| 48 | . | |
| 49 | .TP | |
| 50 | .BI \-o " outfile" | |
| 51 | The file to write the dumped component to. | |
| 52 | .TP | |
| 53 | .BI \-p " position" | |
| 54 | Specify the | |
| 55 | .I position | |
| 56 | of the component to dump. This should be a numeric index, starting at 0. If not | |
| 57 | specified, the default | |
| 58 | .I position | |
| 59 | is 0. | |
| 60 | . | |
| 61 | .TP | |
| 62 | .BI \-T " type" | |
| 63 | Specify the | |
| 64 | .I type | |
| 65 | of the image. If not specified, the image type will be automatically detected. A | |
| 66 | list of supported image types may be printed by running | |
| 67 | .BR "mkimage\~\-T\~list" . | |
| 68 | . | |
| 69 | .TP | |
| 70 | .B \-V | |
| 71 | Print version information and exit. | |
| 72 | . | |
| 73 | .SH BUGS | |
| 74 | Please report bugs to the | |
| 75 | .UR https://\:source\:.denx\:.de/\:u-boot/\:u-boot/\:issues | |
| 76 | U-Boot bug tracker | |
| 77 | .UE . | |
| 78 | .SH EXAMPLES | |
| 79 | Create a multi-file image and then extract part of that image | |
| 80 | .PP | |
| 81 | .EX | |
| 82 | .in +4 | |
| 83 | $ \c | |
| 84 | .B mkimage \-A x86 \-O linux \-T multi \-n x86 \\\\\& | |
| 85 | .in +4 | |
| 86 | .B \-d vmlinuz:initrd.img:System.map multi.img | |
| 87 | .in | |
| 88 | Image Name: x86 | |
| 89 | Created: Thu Jul 25 10:29:13 2013 | |
| 90 | Image Type: Intel x86 Linux Multi-File Image (gzip compressed) | |
| 91 | Data Size: 13722956 Bytes = 13401.32 kB = 13.09 MB | |
| 92 | Load Address: 00000000 | |
| 93 | Entry Point: 00000000 | |
| 94 | Contents: | |
| 95 | Image 0: 4040128 Bytes = 3945.44 kB = 3.85 MB | |
| 96 | Image 1: 7991719 Bytes = 7804.41 kB = 7.62 MB | |
| 97 | Image 2: 1691092 Bytes = 1651.46 kB = 1.61 MB | |
| 98 | $ \c | |
| 99 | .B dumpimage -p 2 -o System.map multi.img | |
| 100 | .EE | |
| 101 | .in | |
| 102 | .SH SEE ALSO | |
| 103 | .BR mkimage (1) |