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Re: Device Drivers

To: Thomas Riemer <>,
Subject: Re: Device Drivers
Date: Sun, 20 Dec 1998 21:39:21 +0100
In-reply-to: <>; from Thomas Riemer on Sat, Dec 19, 1998 at 03:22:55PM -0500
References: <>
On Sat, Dec 19, 1998 at 03:22:55PM -0500, Thomas Riemer wrote:

> I've started working on the sii disk driver for the 2100.
> The whole industry of device drivers seem like a bizarre activity to me.
> Some thought questions:
> 1. Why does a person have to write a different device driver for each
>    Unix variant?
> 2. Why does a person have to reinvent the handling routines for timers,
>    and interrupt handling?  (Or in my case cut and past from some other
>    driver)
> 3. Wouldn't make a whole lot more sense to write a device
>    driver generator - where you feed it a configuration file - and it
>    generates the appropriate C driver code with
>    the appropriate hardware specific code in the write places...
>    i.e. be able to build in stats automatically instead of laboring over
>    it enlessly?  I would think this would amortize efforts on device
>    drivers to a one time deal?   I would think that netbsd, linux, freebsd
>    and several other OS's could gain a great deal by having something 
>    like this....
> I'm I just totally crazy in thinking this way?  Is there a forum(i.e.
> mailing list) that discusses this kind of thing?

The on ongoing approach in that direction is the UDI project being pushed by
SCO, HP and others.  They're trying to tackle a real problem but I at least
technical they're approach is bad.  They've been trying to convice the Linux
community as well but so far with rather limited success.


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