firmware loading

[Florent Thoumie]

On Wednesday 21 December 2005 14:52, Max Laier wrote:
> On Wednesday 21 December 2005 06:54, Sam Leffler wrote:
> > Florent Thoumie and I have been working on some generic support for
> > loading firmware using kld's.  You can find a proof of concept at:
> >
> > http://www.freebsd.org/~sam/firmware.tgz
> >
> > It has code to manage firmware images and load them on demand by
> > requesting a kld through standard facilities.  Firmware is packaged
> > using a genfw program that's included.  You can package one or more
> > firmware images in a single kld.  I've packaged the iwi firmware as a
> > boot image in a single kld + kld's for each operating mode that have two
> > firmware images.  The tarball also includes modified versions of the iwi
> > and ipw drivers to use the code.  I tested iwi, Florent is working on
> > ipw.
> >
> > If you're interested in this stuff feel free to pick it up; I've run out
> > of time to work on it.  There are some potential issues with holding
> > locks over the linker calls and the genfw program could use some TLC and
> > probably a new name (plus the man page needs to be completed).
>
> I am generally interested and will probably look at it between Christmas
> and the New Year - unless Damien wants to look at it himself.  The current
> scheme of loading the firmware is disfunctional with a WITNESS enabled
> kernel (too much "sleep while holding mutex") and needs to be fixed anyway.
>
> Is this work in perforce?  Is Florent still actively working on it?

	I'm actively trying to get familiar with src/sys, which takes most of my 
	time. I won't be able to fix anything in a while though.

	I've been testing Sam's changes (since he has no ipw(4) hardware) and I've
	create new ipw/iwi-firmware ports that you will find in [1].

	[1] http://people.freebsd.org/~flz/firmware/

-- 
Florent Thoumie
flz at FreeBSD.org
FreeBSD Committer
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