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Re: /dev/vme*

On Wed, Feb 13, 2008 at 11:12:12PM +0100, Joerg Sonnenberger wrote:
> Hi all,
> I'm currently working on merging the MD code for /dev/mem, /dev/kmem,
> /dev/zero and /dev/null. One of the more interesting uses of the major
> number is in sun2 and sun3. It has additional minors for vme16d16 and
> so. I can't find entries in MAKEDEV for those and the code only allows
> mmapped entry for them.
> Does anyone actually use this devices or can the code be removed?

My guess is that they generate the alternate vmebus bus cycle codes
needed to access vmebus devices with 16bit address/data regsiters.
If someone has a vmebus sun2/3 then they could easily have such


David Laight: david%l8s.co.uk@localhost

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