Date: Sun, 19 Mar 2000 11:22:44 +0100 (CET) From: Andrzej Bialecki <abial@webgiro.com> To: Alfred Perlstein <bright@wintelcom.net> Cc: "Matthew N. Dodd" <winter@jurai.net>, "Gary T. Corcoran" <garycor@home.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: How to read a file from a device driver? Message-ID: <Pine.BSF.4.20.0003191119540.99079-100000@mx.webgiro.com> In-Reply-To: <20000317212751.F14789@fw.wintelcom.net>
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On Fri, 17 Mar 2000, Alfred Perlstein wrote: > * Matthew N. Dodd <winter@jurai.net> [000317 21:22] 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. :/ > > Now that I think about it, with FreeBSD's ability to dynamically load > and unload modules it would seem like using anything else would be > pretty annoying unless there's something else we don't understand here. I think if you combine the ability to load arbitrary chunks of data (from within bootloader) as modules, with similar auto-loading as in the vfs case, you'll have a good solution. Andrzej Bialecki // <abial@webgiro.com> WebGiro AB, Sweden (http://www.webgiro.com) // ------------------------------------------------------------------- // ------ FreeBSD: The Power to Serve. http://www.freebsd.org -------- // --- Small & Embedded FreeBSD: http://www.freebsd.org/~picobsd/ ---- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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