Hello,

On Thu, Dec 12, 2019 at 07:23:10PM +0100, Guillermo Rodriguez Garcia wrote:
> I am trying to switch from the "legacy" ptxdist image creation options
> to the new system based on genimage. This is because I want to
> generate an ubi image out of three separate volumes, and the legacy
> approach does not support this very well.

Did you already find the genimage docs? Look for pengutronix at
GitHub. genimage works with config files, everything is set there.

> I am still trying to see how it all works; first issue I have found
> is, how to specify extra arguments to mkfs.ubifs? In particular I need
> to add --space-fixup; however I don't see any place where I could
> configure this with the new system.

ptxdist ships those genimage config files in folder 'config/images'
and you can "overwrite" those in your BSP as you would do with rules.

HTH & Greets
Alex

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