how to do a digest on a flashed uImage ? uimage command evolution

Philippe Leduc ledphilippe at
Thu Jul 2 03:47:29 PDT 2015

Well, I am using bootm to start my system: how do you boot your system
with a mounted uImage?

Best regards,

Philippe LEDUC
ledphilippe at

2015-07-02 11:30 GMT+02:00 Jean-Christophe PLAGNIOL-VILLARD
<plagnioj at>:
>> On Jul 2, 2015, at 4:53 PM, Philippe Leduc <ledphilippe at> wrote:
>> Hi,
>> First thank you for the details answers :)
>> Following your explanations/propositions, I think uimagefs is not
>> suited to my needs. I think therefore make an evolution of the uImage
>> command to be able to retrieve the size of my image and to copy it
>> efficiently into the RAM.
>> I'll try to propose a patch next week for review. But before that,
>> what do you think about thes follwing interface:
>> uimage - extract/verify/copy uImage
>> Usage: uimage [-vienc] FILE
>> Options:
>>        -i                      show information about image
>>        -v                     verify image
>>        -e OUTFILE      extract image to OUTFILE
>>        -n NO               use image number NO in multifile image
>>        -c OUTFILE      Copy the image to OUTFILE
>>        -s SIZE            Return the size of the uimage file into a VARiable.
> I see no point to extract and copy as you you need to mount it
> and then use cp
> Best Regards,
> J.

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