Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 21 Dec 2005 15:01:11 +0100
From:      Florent Thoumie <flz@xbsd.org>
To:        freebsd-arch@freebsd.org
Cc:        Max Laier <max@love2party.net>, Damien Bergamini <damien@freebsd.org>, flz@freebsd.org
Subject:   Re: firmware loading
Message-ID:  <200512211501.22621.flz@xbsd.org>
In-Reply-To: <200512211453.03946.max@love2party.net>
References:  <43A8EE23.3010202@errno.com> <200512211453.03946.max@love2party.net>

next in thread | previous in thread | raw e-mail | index | archive | help
--nextPart1850579.GtnsyeTMZR
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline

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 anywa=
y.
>
> 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=20
	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/

=2D-=20
=46lorent Thoumie
flz@FreeBSD.org
=46reeBSD Committer

--nextPart1850579.GtnsyeTMZR
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2 (FreeBSD)

iD8DBQBDqWAyMxEkbVFH3PQRAh5gAKCC6V2Wf/HZVh12F8IForZilgO9wACeKJkv
wl3HoWGjDEk4tlJ79Ag90Vo=
=1LJh
-----END PGP SIGNATURE-----

--nextPart1850579.GtnsyeTMZR--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200512211501.22621.flz>