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uImage.py usage:

# python uImage.py -h
Usage:
        uImage.py -l image
        uImage.py -c [options] image
        uImage.py -x image
        uImage.py -h

Options:
  -h, --help         show this help message and exit
  -l                 list image contents
  -c                 create new image
  -x                 extract image contents

  Creation Options:
    -c -A arch -O os -T type -C comp -a addr -e ep -n name -d
    data_file[:data_file...] image

    -A ARCHITECTURE  set architecture to 'arch'
    -O OSTYPE        set operating system to 'os'
    -T IMAGETYPE     set image type to 'type'
    -C COMPRESSION   set compression to 'comp'
    -a LOADADDR      iset load address to 'addr'
    -e ENTRYADDR     iset entry point to 'ep'
    -n IMAGENAME     set image name to 'name'
    -d FILESPEC      image data from 'datafile'

List the contents of an image:

# python uImage.py -l nova-installer-image-broadway.uImage
Image name:     nova-installer-image-broadway-43
Created:        Wed Dec 31 16:00:00 1969
Image type:     ARM Linux Multi-File (uncompressed)
Data size:      12566392 Bytes
Load Address:   0x000000
Entry Point:    0x000000
Header CRC:     0xcf936b92 ... OK
Data CRC:       0x2defc1cd
Contents:
   Image 0: 2610004 bytes
   Image 1: 9956376 bytes

Multi-File Image 0: Header
--------------------------
Image name:     Linux-2.6.29-palm-shank
Created:        Wed Dec 31 16:00:00 1969
Image type:     ARM Linux Kernel (uncompressed)
Data size:      2609940 Bytes
Load Address:   0x208000
Entry Point:    0x208000
Header CRC:     0xfd901980 ... OK
Data CRC:       0xffbe63e6

Multi-File Image 1: Header
--------------------------
Image name:     ramdisk
Created:        Wed Dec 31 16:00:00 1969
Image type:     ARM Linux RAMDisk (uncompressed)
Data size:      9956312 Bytes
Load Address:   0x000000
Entry Point:    0x000000
Header CRC:     0xccd15a95 ... OK
Data CRC:       0xa6d2f9e9

Create a ramdisk image:

# gzip nova-installer-image-broadway-4

# python uImage.py -c -A arm -T ramdisk -C none -n ramdisk -d nova-installer-image-broadway-4.gz ramdisk.uImage
Image name:     ramdisk
Created:        Sun Jun 24 04:01:21 2012
Image type:     ARM Linux RAMDisk (uncompressed)
Data size:      10051920 Bytes
Load Address:   0x000000
Entry Point:    0x000000
Header CRC:     0x1cf594e7 ... OK
Data CRC:       0xcf80cb73

Create a multi-file image:

# python uImage.py -c -A arm -T multi -C none -n Linux-2.6.29-palm-shank -d Linux-2.6.29-palm-shank.uImage:ramdisk.uImage my-install-image.uImage
Image name:     Linux-2.6.29-palm-shank
Created:        Sun Jun 24 04:04:59 2012
Image type:     ARM Linux Multi-File (uncompressed)
Data size:      12662000 Bytes
Load Address:   0x000000
Entry Point:    0x000000
Header CRC:     0x71281fb4 ... OK
Data CRC:       0x9f1b4262
Contents:
   Image 0: 2610004 bytes
   Image 1: 10051984 bytes

Multi-File Image 0: Header
--------------------------
Image name:     Linux-2.6.29-palm-shank
Created:        Wed Dec 31 16:00:00 1969
Image type:     ARM Linux Kernel (uncompressed)
Data size:      2609940 Bytes
Load Address:   0x208000
Entry Point:    0x208000
Header CRC:     0xfd901980 ... OK
Data CRC:       0xffbe63e6

Multi-File Image 1: Header
--------------------------
Image name:     ramdisk
Created:        Sun Jun 24 04:01:21 2012
Image type:     ARM Linux RAMDisk (uncompressed)
Data size:      10051920 Bytes
Load Address:   0x000000
Entry Point:    0x000000
Header CRC:     0x1cf594e7 ... OK
Data CRC:       0xcf80cb73

Project Admins:

• Rick Richard