[U-Boot] Extract data file from U-Boot image

[Guilherme Maciel Ferreira]

Dear Wolfgang,

2013/7/26 Wolfgang Denk <wd at denx.de>:
> Dear Guilherme Maciel Ferreira,
>
> In message <CAF=5bWcMhBhvvWP1933Xyi9Cpv_t3Y306ceWr6pH+TqwoYpi=g at mail.gmail.com> you wrote:
>>
>> > But I fear that mkimage explodes from creaping featurism, so if you
>> > go and implement something like this, please do not add it to kmimage,
>> > but rather create a separate, new tool, say "dumpimage" or so.
>>
>> How does 'unimage' sound to you? =) Following the example of
>> unsquashfs and unubi?
>
> I dislike such names; they appear not natural to me. "Make an image"
> => mkimage or "dump the image content" => dumpimage kind of describe
> what the command does in a natural language. But "unimage" is a word
> that I cannot put anywhere.

dumpimage... That's fine for me.

>
>> I mean, if people really consider this tool of some use.
>
> The simple rule is: if something is useful for someone, and does not
> hurt others, it can get added.  Just make sure it's a separate make
> target so it does not get built automatically for each and every
> build, but only when you ask for it.

Ok. Just give me some time to rework the patch.

>
>> However, now we want a selective upgrade, where we can pick a few
>> directories from within the new root file system without the need to
>> write the whole new file system and kernel.
>
> Hm... Repacking images on the target appears not really an efficient
> approach to me.  Also I wonder how this works - are you talking about
> ramdisk based root file system images?
>

Exactly, a ramdisk root file system image, which is received -- by the
device -- inside a Multifile image.

Best regards,


-- 
Guilherme Maciel Ferreira
Mobile Brazil: +55 48 9904 3728 e +55 48 9134 4651
Site: http://guilhermemacielferreira.com/
Skype: guilherme.maciel.ferreira