Re: Documentation of aarch64 port on Spectrum OS upstream

[Alyssa Ross <alyssa.ross@unikie.com>]

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On Mon, Nov 14, 2022 at 02:02:52PM +0200, Ville Ilvonen wrote:
> Hi,
>
> We've built the wayland demo branch on aarch64 port and added some other
> apps on it to showcase embedded virtualization with Spectrum OS.
>
> The build configuration for the reference device is documented [1] with the
> out-of-tree build configuration as agreed in our earlier discussion[2].
> There's also some additional accompanied documentation on binary cache we
> have used with aarch64 and could be of general use. I'd like to see that
> documentation upstreamed as much as possible.
>
> Would it make sense to link this work from Spectrum documentation? To
> indicate work in progress aarch64 support with known issues on a ref. device
> and avoid forking this documentation?
>
> The practical benefit is that anyone interested in building Spectrum OS for
> an aarch64 device using vendor BSP would have some reference linked from
> Spectrum OS documentation - e.g. an initial porting guide as even the x86_64
> does not yet use the build configuration. Additionally, I don't want to
> fragment Spectrum OS ports and their documentation further than necessary.

Yeah, I think it would be a great idea to link to that from the build
configuration page in the Spectrum documentation, as an example.

To clarify, I don't expect the *generic* x86_64 image to use a build
configuration file, nor would I expect a generic aarch64 image to.
The build configuration file is there for when it's neccesary to
override the defaults, for example to use a custom kernel.  (But it
would also make sense to have a commented *example* build configuration
file in the Spectrum repo, to be a starting point for users.)

> Best,
>
> -Ville
>
> [1] https://github.com/tiiuae/spectrum-config-imx8/blob/main/README.md
> [2] https://spectrum-os.org/lists/archives/spectrum-discuss/CAP-nJwHTmROzMbyYNtrTrOdXGV-iJvwPuJ3FSZb3gLy5R3z80Q@mail.gmail.com/
>
>

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