Date: Wed, 10 Mar 1999 18:20:29 -0800 (PST) From: Julian Elischer <julian@whistle.com> To: Wayne Cuddy <wayne@crb-web.com> Cc: FreeBSD Hackers List <freebsd-hackers@FreeBSD.ORG> Subject: Re: new to driver coding Message-ID: <Pine.BSF.3.95.990310181853.1249K-100000@current1.whistle.com> In-Reply-To: <Pine.LNX.3.95.990310203546.7916A-100000@crb.crb-web.com>
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check out /usr/share.examples/drivers/psuedo[mumble] this is a shellscript that writes a dummy driver, and even links it into the kernel and compile sit for you.. edit to taste.. (I haven't run it for 6 months so it may need a few slight cleanups to work on a new system) julian On Wed, 10 Mar 1999, Wayne Cuddy wrote: > > > I have been reading any information I can find, which is very little, on > writing unix device drivers. Specifically I would like information on > FreeBSD;) > > I really want to start simple by writing a character driver that is not > attached to a REAL device but just holds on to some memory and allows me to > writing some bytes in (write()) and read them back (read()). > > I don't think this will be very difficult but I need some detailed information > specific to FreeBDS on what header files I need to include and how to build my > driver as part of the kernel. What directory should I build my driver in? > What entry point will the kernel call when the system boots so I can print a > pretty little string from my driver showing a sample initialization. > > > I am kinda in the dark here to specifics of this so ALL help is greatly > appreciated. > > Thanks, > Wayne > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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