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Re: userspace drivers


From: James Morrison
Subject: Re: userspace drivers
Date: Mon, 20 Jan 2003 11:09:02 -0800 (PST)

--- Robert Millan <zeratul2@wanadoo.es> wrote:
> 
> 
> Hi!
> 
> I'd like to play a bit with userspace drivers, but i have some
> doubts on the interfaces:
> 
> - how can i wait for a hardware interruption in a userspace process?
> - despite it's not necessary due to a well-known bug, how
> can i ask Mach for permission to access io ports?
> 
> also, is there any ongoing work on userspace drivers, so i
> can avoid duplicating it?
> 
> thanks!
> 
> -- 
> Robert Millan

 I don't believe any work is being done on userspace drivers.  If you want to
look specifically mach user space drivers you can read the mach 3 Kernel
Interface[1].  If you aren't specifically looking at mach drivers, perhaps
you may want to acquint yourself with oskit, and how GNU Mach in cvs uses
the interfaces in oskit.


[1] http://www-2.cs.cmu.edu/afs/cs/project/mach/public/www/doc/osf.html


=====
James Morrison
   University of Waterloo
   Computer Science - Digital Hardware
   2B co-op
http://hurd.dyndns.org

Anyone referring to this as 'Open Source' shall be eaten by a GNU

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