Carlos Guerreiro wrote:
Did you try to leave old kernel from 2.2006 and backport changes
needed (if any) from rx-34 kernel? Seems easier than using rx-34
kernel directly (arch/arm/omap1/ is outdated). What newer kernel gives
us?
If I remember correctly Markku considered this at some point. Markku?
Also when thinking about it, it would be nice to be able to use IT2006
compatible kernel and initfs. As this is hacker edition, dual booting
between IT2006 and this one may be worthwile and can be hard with newer
kernel. If there is no real reason to go for newer kernel I'd stay with
the old one. Old DSP stuff probably depends on DSPGateway version in
kernel anyway.
However I am not sure about dsme in initfs and how it interacts with
system in rootfs over /tmp/dsmesock. If there is some binary protocol
that changed in IT2007 we are out of luck with keeping old initfs and
IT2006 compatibility. Although there is this idea I'm playing with for
some time - to copy initfs to rootfs (it is small) and let it run
chrooted in rootfs (/boot dir seems ideal for this) instead of running
from initfs partition and keeping /dev/mtdblock3 open (can even save
some RAM in kernel). That way we can have two initfs systems in place
and the only thing wee need to share is kernel. Even this could be
solved by something like kexec or LAB [1] but this may be complex issue
with watchdogs in kernel etc and may make booting longer.
But even with this we may still have dependecies on config partition
format and specific version of bootloader.
Frantisek
1. http://www.handhelds.org/moin/moin.cgi/HpIpaqH2200LAB
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