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MG35Tool

This version was saved 12 years, 3 months ago View current version     Page history
Saved by PBworks
on April 14, 2008 at 4:11:13 pm
 

MG35Tool

MG35Tool (mg35tool) is a tool for splitting and combining .upgrade files for the MG-35 media player.

Version: 1.3

Status: Done



 

Description

mg35tool automatically removes all header information when splitting files and automatically recalculates it again when joining files.

 

This tool works on both Windows and Linux and this file contains both executables and source code.

 

Usage


mg35tool <split | join > [-v <version>] [-t <model>] [-b <boot_file>] 
         [-k <kernel_file>] [-c <cramfs_file>] <upgrade_file>

Options:

    split
        Extract the individual pieces from an existing .upgrade file.

    join
        Combine several existing pieces into a new .upgrade file.

    -b <boot_file>
        Specifies name of boot loader file. Default when splitting 
        is boot.rom. When joining, the BOOT section of the update 
        file is only included if this option is specified.

    -k <kernel_file>
        Specify a compressed kernel file. Default is |linux.gz|

    -c <cramfs_file>
        Specify a compressed filing system file. Default is |cramfs.img|.

    -v <version>
        Specify the version of the .upgrade file in the format major.minor.patch
        This information will be built into the upgrade file's header when 
        joining. This option has no effect when splitting.

    -t  { MG25 | MG35 | MG350HD | MG350SHD | AUTO }
        Specify the Mediagate hardware model.  Default is MG35 for join, AUTO for split.

    <upgrade_file>
        The name of the .upgrade file to join or split.

 

Examples

 

mg35tool split MG35_1.4.3.upgrade

This will split the upgrade file and produce three files: boot.rom, linux.gz and cramfs.img

 

mg35tool join -k kernel.gz -c test.img MG35-test.upgrade

This will take kernel.gz and test.img and produce an upgrade file with a ROFS section but no BOOT section. All sizes and checksums will be calculated automatically as will the offset to the CramFS that is required to directly precede the kernel.

 

Note: .upgrade files without boot sections work very well on the MG-35 and are highly recommended!

 

History

Version 1.3 - John

  • Added MG-350S support
  • Added auto-format determination (for split only)

 

Version 1.2 - Bitbasher

  • Added MG-25 support

 

Version 1.1 - PBarette

  • Added MG-350 support

 

Version 1.0 - PBarette

  • Created for MG-35 support
    • splitting and joining

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