From: Darren New <dnew@san.rr.com>
Subject: Re: Ada OS Kernel features
Date: Wed, 05 Sep 2001 20:07:12 GMT
Date: 2001-09-05T20:07:12+00:00 [thread overview]
Message-ID: <3B9685EE.23ECDD48@san.rr.com> (raw)
In-Reply-To: 3%ul7.3362$9z1.440040@news6-win.server.ntlworld.com
> I really don't get why a driver must have access to system structures or
> atleast those in kernel space, can you explain this?
Generally because interrupt handling, munging of memory maps, and I/O
instructions are all privledged operations on most machines. How do you
let the user-space video driver change video modes without letting
someone else do so?
--
Darren New
San Diego, CA, USA (PST). Cryptokeys on demand.
next prev parent reply other threads:[~2001-09-05 20:07 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-05 5:58 Ada OS Kernel features Brian Catlin
2001-09-05 10:15 ` Jacob Sparre Andersen
2001-09-05 11:16 ` Larry Kilgallen
2001-09-05 17:06 ` Brian Catlin
2001-09-06 14:35 ` Marin David Condic
2001-09-07 9:31 ` Tarjei T. Jensen
2001-09-05 17:55 ` David Starner
2001-09-05 18:42 ` Darren New
2001-09-12 6:47 ` Mats Karlssohn
2001-09-05 14:04 ` Ted Dennison
2001-09-05 17:23 ` Brian Catlin
2001-09-05 20:17 ` Ted Dennison
2001-09-05 21:10 ` Brian Catlin
2001-09-06 6:45 ` Tarjei T. Jensen
2001-09-06 6:56 ` Brian Catlin
2001-09-06 14:05 ` Ted Dennison
2001-09-05 16:02 ` Alfred Hilscher
2001-09-05 16:19 ` Jacob Sparre Andersen
2001-09-05 17:58 ` Brian Catlin
2001-09-05 17:44 ` Brian Catlin
2001-09-05 17:58 ` Darren New
2001-09-05 18:51 ` Larry Kilgallen
2001-09-05 19:25 ` chris.danx
2001-09-05 20:07 ` Darren New [this message]
2001-09-05 20:14 ` Larry Kilgallen
2001-09-06 13:45 ` Alfred Hilscher
2001-09-06 18:06 ` chris.danx
2001-09-06 19:41 ` Larry Kilgallen
2001-09-06 22:32 ` chris.danx
2001-09-07 11:04 ` Larry Kilgallen
2001-09-07 8:04 ` Dmitry Kazakov
2001-09-07 8:18 ` Mattias Svensson
2001-09-07 12:40 ` Dmitry Kazakov
2001-09-12 7:12 ` Mats Karlssohn
2001-09-05 20:18 ` Brian Catlin
2001-09-06 6:48 ` Ole-Hjalmar Kristensen
2001-09-06 6:59 ` Brian Catlin
2001-09-10 7:32 ` Ole-Hjalmar Kristensen
2001-09-06 13:42 ` Alfred Hilscher
2001-09-07 8:13 ` Dmitry Kazakov
2001-09-08 3:55 ` Kenneth Almquist
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