[yocto] How to generate cpio.gz AND cpio.gz.u-boot image from single recipe?

[Michal Vokáč]

On 14.8.2017 15:37, Khem Raj wrote:
> Please open a bugzilla entry for it
Done.
https://bugzilla.yoctoproject.org/show_bug.cgi?id=11928

Thanks Raj.

>
> On Mon, Aug 14, 2017 at 6:11 AM Michal Vokáč <michal.vokac at ysoft.com <mailto:michal.vokac at ysoft.com>> wrote:
>
>     On 11.8.2017 18:31, Khem Raj wrote:
>      > On Fri, Aug 11, 2017 at 5:52 AM, Vokáč Michal <Michal.Vokac at ysoft.com <mailto:Michal.Vokac at ysoft.com>> wrote:
>      >> Hi,
>      >>
>      >> I am in a process of upgrading our project from Jethro to Morty.
>      >> For a while I am trying to solve an issue with generating initramfs images.
>      >>
>      >> We have an image recipe that says:
>      >>
>      >> IMAGE_FSTYPES = "tar.bz2 cpio.gz cpio.gz.u-boot"
>      >> inherit core-image
>      >> inherit image_types_uboot
>      >>
>      >> With the Jethro branch of the openembedded-core layer all thee defined image types are generated.
>      >>
>      >> After upgrade to Morty, the cpio.gz image is deleted somewhere in the process of generating
>      >> the cpio.gz.u-boot image (which is probably the right behavior of image_types_uboot.bbclass).
>      >>
>      >> I wonder why it worked before and how to make it work again, properly.
>      >
>      > it is intentional. See
>      > https://github.com/01org/luv-yocto/commit/09a5cb0cca109395a4835e25d483019ddd5e773c
>      >
>
>     Thank you Raj, that explain why the gziped image is being removed.
>
>     I still need to figure out, how to produce both image types from one recipe.
>     Lets imagine I went through these steps.
>
>         1. I set up the recipe so that the tar.bz2 and cpio.gz images are generated.
>
>         IMAGE_FSTYPES = "tar.bz2 cpio.gz"
>         inherit core-image
>
>         The tar is just for development debugging and the cpio.gz is packed into
>         a FIT image that goes into production.
>
>         2. After some unspecified time a need arose to produce also
>         the cpio.gz.u-boot image that can be loaded manually in U-Boot during development.
>
>         I changed the recipe like this:
>
>         IMAGE_FSTYPES = "tar.bz2 cpio.gz cpio.gz.u-boot"
>         inherit core-image
>         inherit image_types_uboot
>
>       From my point of view, the image_types_uboot class is removing
>     the cpio.gz image that was generated by someone else.
>     In my situation it is not "a middle file" as the commit you referenced says.
>
>     I would understand that the cpio.gz is removed when it is not stated in
>     the IMAGE_FSTYPES variable.
>
>       From reading the IMAGE_FSTYPES variable documentation a user/developer can never
>     get the idea that some image types can not be generated simultaneously.
>     IMHO a proper behavior would be to generate and preserve all supported image
>     types stated in the IMAGE_FSTYPES variable.
>
>     Any ideas how to achieve that?
>

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