Date: Fri, 17 Mar 2000 22:04:18 -0700 From: "Kenneth D. Merry" <ken@kdm.org> To: "Matthew N. Dodd" <winter@jurai.net> Cc: "Gary T. Corcoran" <garycor@home.com>, Alfred Perlstein <bright@wintelcom.net>, freebsd-hackers@FreeBSD.ORG Subject: Re: How to read a file from a device driver? Message-ID: <20000317220418.A5552@panzer.kdm.org> In-Reply-To: <Pine.BSF.4.21.0003172358410.50194-100000@sasami.jurai.net>; from winter@jurai.net on Fri, Mar 17, 2000 at 11:59:28PM -0500 References: <38D3085D.37F31443@home.com> <Pine.BSF.4.21.0003172358410.50194-100000@sasami.jurai.net>
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On Fri, Mar 17, 2000 at 23:59:28 -0500, Matthew N. Dodd wrote:
> On Fri, 17 Mar 2000, Gary T. Corcoran wrote:
> > I'm trying to initialize a network device, and I'm trying to download
> > code *into* my device from some binary system files. There is no
> > "user space" or user process, for that matter, to deal with at this
> > point. I just want to (at this step) open a file(s) directly from my
> > device driver, read the file(s), and download the relevant parts to my
> > device.
>
> There isn't really any clean way of doing this so most drivers that need
> to load firmware usually compile them in. :/
True enough. The Alteon Tigon driver (sys/pci/if_ti.c) decides which one
of its firmware images (sys/pci/{ti_fw,ti_fw2}.h) based on the chip
revision.
So that's one possible example to look at.
Ken
--
Kenneth Merry
ken@kdm.org
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