On Wed, Jan 19, 2011, John Rigby wrote:
> How does l-m-c know about the boot partition convention?
I've just added to the wiki page; this came up yesterday on IRC when we
started taking imx51 into account.
We would have a partition_layout field which commands which partition
layout type we want to use for this hardware, either omap-style or
mx5-style.
> If a new platform pops up with a completely different convention does
> l-m-c need to be modified or could we put a script in the hwpack to do
> that?
I'm all against script; we basically lose control and surrender to what
the hwpacks runs, this is fragile and dangerous. I'd rather keep
hwpacks as data and linaro-media-create as logic.
> For map you could call a script with an argument pointing to the blown
> out hwpack and and second argument pointing at the mounted boot
> partition.
> For mx first argument is the same second is a pointer to raw device.
> So the hwpack would need a field to say if the scipt needs a raw
> device or mounted dos partition and..
> another field with the script name.
Well, if we ever want to support fancier partition layouts, we could go
as far as having a description of the layout; e.g.:
partition_layout_data: 0: vfat@4MiB, 1: rootfs
or something like that, but I think we don't need such complexity in
the near term. There are formats we could reuse like the one used in
debian-installer for preseeding if we ever want to do this, but I agree
this would be overengineered for now.
--
Loïc Minier
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