Re: [ptxdist] Generate UBIFS Images

[Alex Vazquez <avazquez.dev@gmail.com>]

El jue, 21 ene 2021 a las 7:54, Alexander Dahl (<post@lespocky.de>) escribió:
>
> Hello Alex,
>
> On Wed, Jan 20, 2021 at 11:56:55PM +0100, Alex Vazquez wrote:
> > I have some questions about generating UBIFS images.
> > First, I am using ptxdist-2018.05. For this version, I use Generate
> > UBIFS Images (NO new version).
>
> I would recommend to use the new approach, that should also work with
> ptxdist-2018.05 already.
>

Thanks, Alex!
Following your recommendation I will use the new approach.
I'm testing and it works.

I have a question. In genimage, max_leb_cnt is calculated
automatically and there isn't an option in the flash section to set a
value. Is there any alternative to set it to a specific value?

Greets!

> > - For the latest versions of ptxdist, it is possible to indicate
> > arguments to generate the *.ubifs?
>
> It is. Recent ptxdist versions use 'genimage' [1] to create those
> images. If the default genimage config files are not sufficient for
> you, you can just put your own config to your BSP.
>
> For example: in a BSP for an at91sam9g20 based board with the ptxdist
> platform named "foo", I put two files to
> 'configs/platform-foo/config/images':
>
> - ubi.config
> - ubifs.config
>
> You find the files distributed with ptxdist also in 'config/images',
> e.g. in /usr/local/lib/ptxdist-2021.01.0/config/images or in the
> ptxdist source git tree. You can start with those files and adapt them
> to your needs. (For ubi/ubifs you actually should pick those as a
> start, because there are several placeholders for flash memory
> parameters to be substituted in there).
>
> There's some documentation on image packages, I found this:
>
> https://www.ptxdist.org/doc/ref_make_variables.html#image-packages
>
> Not sure if someone should write some more explanation on that?
> genimage itself is documented at [1] however.
>
> Greets
> Alex
>
> [1] https://github.com/pengutronix/genimage/
>
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