Driver Development Books?
babkin at verizon.net
Wed Oct 12 05:03:41 PDT 2005
>From: Pete <TheManifestShadow at gmail.com>
>Date: Tue Oct 11 11:47:28 CDT 2005
>To: freebsd-hackers at freebsd.org
>Subject: Driver Development Books?
> I have what may seem to be a silly question, but I cannot find any
>other decent resources on the web. >.< The problem that I am having
>right now is
>that I have a fairly nice graphics card which, for the moment is only
>supported on Windows Operating systems, and old 2.4 Linux kernels. So
>far there has
>not been much positive outlook in porting the drivers to *BSD or any of
>the 2.6 kernels that I know of, let alone 64-bit drivers for non-Win OSes.
The video cards usually have nothing to do
with the kernel itself. Their drivers are in the
X Window system. Probably the easiest fix is
to just install an older version (3.x probably)
of XFree86 on your machine.
>So I guess that makes my question fairly simple then; I know that driver
>code is written in C (which I am learning currently) but thats about all
Well, you usually need a bit more expertise
than "learning currently" to write drivers.
>I know. I'm probably
>not far off when I say that I need more to go on. Yet, from looking at
>Amazon.com I have not been able to find any books on writing driver
>code, which is really
Searching for "device driver" turns up
a lot of books on Amazon. For the system-specific
details look in the online FreeBSD Device Driver
Writer's guide (part of the Handbook if I
Anyway, for the graphical cards it's not what
you need. The graphical drivers are running
in user space as a part of X server. Writing
them is a completely different story and I
don't think there are any manuals. Just look
at the code of the other drivers and do the
More information about the freebsd-hackers