On 2021-12-15 11:56, Ahmad Fatoum wrote:
I think Roland meant that you shouldn't rely on the _mutable_
environment
for production. It's nice to test out stuff, but once you have figured
out what you need, add it to the built-in environment (e.g.
arch/arm/<board/myenv or CONFIG_DEFAULT_ENVIRONMENT_PATH).
Okay, then I got it - the intention of Roland. Compiled default
environment
is no problem.
But regarding required bootchooser variables: what of those are
required?
I said I utilised
https://bootlin.com/blog/another-system-update-adventure-with-rauc-barebox-yocto-project/
there is the barebox-state DT tree setup explained (a bit) and then it
points out
[...]Now we have to add bootchooser variables associated to both targets
in arch/arm/<board>/env/nv[...]
Which is rather abstract on how to do this, especially, if I have
bootstate.system0.remaining_attempts
in the DT, why should I replicate this in arch/arm/<board>/env/nv?
Or is there a connection needed to be created? Which variables need to
be specified?
Isn't it already there?
> barebox@TI AM335x BeagleBone black:/ devinfo state
> Parameters:
> bootstate.last_chosen: 0 (type: uint32)
> bootstate.system0.ok: 0 (type: uint32)
> bootstate.system0.priority: 21 (type: uint32)
> bootstate.system0.remaining_attempts: 3 (type: uint32)
> bootstate.system1.ok: 0 (type: uint32)
> bootstate.system1.priority: 20 (type: uint32)
> bootstate.system1.remaining_attempts: 3 (type: uint32)
> dirty: 0 (type: bool)
> init_from_defaults: 0 (type: bool)
> save_on_shutdown: 1 (type: bool)
> Is bootchooser smart enough to gather system0 and system1 as bootable entries/possibilities?
> barebox@TI AM335x BeagleBone black:/ bootchooser
> ERROR: bootchooser: Target list $global.bootchooser.targets is empty
> No bootchooser found
May be this is my problem:
hand is manageable, because you restrict what variables are available
and how they interact with the rest of the system.
?
What I mixed into my not so elaborated mail is a SIDE QUEST:
I can boot a bootloader spec equipped partitio like this:
barebox@TI AM335x BeagleBone black:/ boot mmc1.2
How do I make a boot entry "system0" a boot.default variable can point
to and also a member
of bootchooser.targets?
I tried mmc1.2 or "boot mmc1.2" as system0 content but that did not
work...
Kind Regards
Konsti
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