From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Jon Smirl <jonsmirl@gmail.com>
Cc: Matthew Garrett <mgarrett@chiark.greenend.org.uk>,
Kyle Moffett <mrmacman_g4@mac.com>,
Manu Abraham <abraham.manu@gmail.com>,
linux cbon <linuxcbon@yahoo.fr>,
Helge Hafting <helge.hafting@aitel.hist.no>,
Valdis.Kletnieks@vt.edu, linux-kernel@vger.kernel.org,
"D. Hazelton" <dhazelton@enter.net>
Subject: Re: OpenGL-based framebuffer concepts
Date: Wed, 24 May 2006 23:08:27 +0100 [thread overview]
Message-ID: <20060524220827.GA12192@srcf.ucam.org> (raw)
In-Reply-To: <9e4733910605231638t4da71284oa37b66a88c60cf8a@mail.gmail.com>
On Tue, May 23, 2006 at 07:38:40PM -0400, Jon Smirl wrote:
> 2) The ROM support in the kernel knows about the shadow RAM copy at
> C000::0. When you request the ROM from a laptop video system it
> returns a map to the shadow RAM copy, not to a physical ROM. You need
> access to the shadow RAM copy to get to things the BIOS left there
> when it ran.
My experience is that, on some laptops, the code at c000:0003 may jump
into some other address block that isn't necessarily shadowed. There's
no reason to assume that POSTing an ancilliary ROM will work after the
system has left the BIOS. Further, my laptop doesn't appear to have a
rom entry in sysfs, which makes getting at stuff that way rather more
awkward...
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2006-05-24 22:08 UTC|newest]
Thread overview: 321+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-16 21:41 replacing X Window System ! linux cbon
2006-05-16 21:51 ` Michal Piotrowski
2006-05-16 21:57 ` Måns Rullgård
2006-05-16 23:23 ` Alistair John Strachan
2006-05-16 22:19 ` alan
2006-05-16 22:42 ` Valdis.Kletnieks
2006-05-16 23:05 ` alan
2006-05-17 11:47 ` linux cbon
2006-05-17 12:18 ` Valdis.Kletnieks
2006-05-17 12:39 ` linux cbon
2006-05-17 13:19 ` Valdis.Kletnieks
2006-05-17 14:10 ` Panagiotis Issaris
2006-05-17 14:19 ` Ondrej Zary
2006-05-17 14:23 ` Olivier Galibert
2006-05-17 14:46 ` Bob Copeland
2006-05-17 13:24 ` Lennart Sorensen
2006-05-17 13:46 ` Bob Copeland
2006-05-17 14:01 ` Michal Piotrowski
2006-05-17 13:39 ` Jesper Juhl
2006-05-17 14:53 ` linux cbon
2006-05-17 15:09 ` Valdis.Kletnieks
2006-05-17 15:14 ` Valdis.Kletnieks
2006-05-17 15:30 ` linux-os (Dick Johnson)
2006-05-17 16:29 ` Valdis.Kletnieks
2006-05-17 15:53 ` linux cbon
2006-05-17 16:09 ` Randy.Dunlap
2006-05-17 16:12 ` Stas Myasnikov
2006-05-17 15:16 ` Alan Cox
2006-05-17 15:49 ` linux cbon
2006-05-17 16:11 ` Stas Myasnikov
2006-05-17 17:52 ` Gábor Lénárt
2006-05-17 17:17 ` Felipe Alfaro Solana
2006-05-17 17:33 ` grundig
2006-05-18 15:42 ` Lennart Sorensen
2006-05-18 18:40 ` grundig
2006-05-18 12:00 ` Helge Hafting
2006-05-18 17:28 ` linux cbon
2006-05-18 18:42 ` Valdis.Kletnieks
2006-05-18 18:52 ` Thierry Vignaud
2006-05-18 19:31 ` linux cbon
2006-05-18 19:37 ` David Lang
2006-05-18 20:12 ` Gerhard Mack
2006-05-18 22:22 ` linux cbon
2006-05-19 9:09 ` Martin Mares
2006-05-18 20:12 ` Adrian Bunk
2006-05-18 21:47 ` Valdis.Kletnieks
2006-05-18 22:03 ` linux cbon
2006-05-18 22:23 ` Al Viro
2006-05-21 14:56 ` Stefan Smietanowski
2006-05-19 9:26 ` Helge Hafting
2006-05-19 11:08 ` Panagiotis Issaris
2006-05-19 13:07 ` Helge Hafting
2006-05-19 14:34 ` David Greaves
2006-05-19 14:40 ` Xavier Bestel
2006-05-19 15:13 ` linux cbon
2006-05-19 15:18 ` Xavier Bestel
2006-05-19 22:09 ` linux cbon
2006-05-19 22:51 ` Peter Gordon
2006-05-21 20:49 ` Xavier Bestel
2006-05-20 0:43 ` Jeff Carr
2006-05-19 15:01 ` Sander
2006-05-19 22:29 ` Jan Engelhardt
2006-05-19 22:34 ` David Lang
2006-05-19 22:20 ` Jan Engelhardt
2006-05-19 22:40 ` linux cbon
2006-05-20 1:02 ` Adrian Bunk
2006-05-20 6:31 ` Willy Tarreau
2006-05-20 8:25 ` jerome lacoste
2006-05-21 6:16 ` Valdis.Kletnieks
2006-05-21 12:17 ` linux cbon
2006-05-21 6:38 ` Manu Abraham
2006-05-23 5:08 ` OpenGL-based framebuffer concepts Kyle Moffett
2006-05-23 0:48 ` D. Hazelton
2006-05-23 17:17 ` Jon Smirl
2006-05-23 22:57 ` Matthew Garrett
2006-05-23 23:38 ` Jon Smirl
2006-05-23 23:24 ` D. Hazelton
2006-05-24 4:21 ` Jon Smirl
2006-05-24 0:42 ` D. Hazelton
2006-05-24 4:57 ` Jon Smirl
2006-05-24 1:04 ` D. Hazelton
2006-05-24 14:30 ` Chase Venters
2006-05-24 13:32 ` Paulo Marques
2006-05-24 6:39 ` Helge Hafting
2006-05-24 13:17 ` Stefan Seyfried
2006-05-24 22:08 ` Matthew Garrett [this message]
2006-05-24 22:09 ` D. Hazelton
2006-05-24 22:41 ` Jon Smirl
2006-05-24 1:50 ` Jeff Garzik
2006-05-24 7:30 ` Matthew Garrett
2006-05-24 0:10 ` Kyle Moffett
2006-05-23 23:27 ` D. Hazelton
2006-05-24 0:24 ` Jon Smirl
2006-05-24 7:03 ` Helge Hafting
2006-05-24 13:55 ` Alexander E. Patrakov
2006-05-24 14:49 ` Jon Smirl
2006-05-24 14:56 ` Alexander E. Patrakov
2006-05-24 16:15 ` Matheus Izvekov
2006-05-24 16:26 ` Alexander E. Patrakov
2006-05-24 16:32 ` Jon Smirl
2006-05-26 4:57 ` Alexander E. Patrakov
2006-05-26 2:09 ` D. Hazelton
2006-05-26 7:12 ` Helge Hafting
2006-05-24 16:42 ` Matheus Izvekov
2006-05-24 17:34 ` Xavier Bestel
2006-05-26 7:05 ` Helge Hafting
2006-05-26 7:59 ` Xavier Bestel
2006-05-26 6:58 ` Helge Hafting
2006-05-24 22:03 ` D. Hazelton
2006-05-26 7:08 ` Helge Hafting
2006-05-26 8:32 ` Alexander E. Patrakov
2006-05-26 10:58 ` Helge Hafting
2006-05-26 11:06 ` Xavier Bestel
2006-05-24 15:41 ` Geert Uytterhoeven
2006-05-23 10:11 ` Alan Cox
2006-05-23 10:28 ` Jeff Garzik
2006-05-23 14:10 ` Kyle Moffett
2006-05-23 14:43 ` Alan Cox
2006-05-23 15:41 ` Kyle Moffett
2006-05-23 16:53 ` Alan Cox
[not found] ` <9b5164430605231015s40ebcd38had1c3029da8afc7@mail.gmail.com>
2006-05-23 17:21 ` Xiong Jiang
2006-05-24 12:47 ` Alan Cox
2006-05-23 23:31 ` D. Hazelton
2006-05-23 15:52 ` Rene Rebe
2006-05-23 23:41 ` D. Hazelton
2006-05-24 4:48 ` Jon Smirl
2006-05-24 5:24 ` Jeff Garzik
2006-05-23 23:38 ` D. Hazelton
2006-05-24 4:08 ` Dave Airlie
2006-05-24 0:17 ` D. Hazelton
2006-05-24 5:14 ` Dave Airlie
2006-05-24 1:30 ` D. Hazelton
2006-05-24 5:48 ` Dave Airlie
2006-05-24 2:11 ` D. Hazelton
2006-05-26 17:53 ` Pavel Machek
2006-05-27 18:03 ` D. Hazelton
2006-05-24 15:27 ` Jon Smirl
2006-05-24 23:18 ` Dave Airlie
2006-05-24 23:56 ` Jon Smirl
2006-05-25 0:31 ` Dave Airlie
2006-05-25 0:55 ` Jeff Garzik
2006-05-25 2:37 ` D. Hazelton
2006-05-25 8:44 ` Jeff Garzik
2006-05-25 14:04 ` Jon Smirl
2006-05-25 15:07 ` Jeff Garzik
2006-05-25 15:37 ` Jon Smirl
2006-05-25 23:04 ` Dave Airlie
2006-05-25 23:17 ` Jeff Garzik
2006-05-25 23:31 ` Dave Airlie
2006-05-25 23:19 ` Jeff Garzik
2006-05-25 23:48 ` Jon Smirl
2006-05-25 15:57 ` Paulo Marques
2006-05-25 18:01 ` Alan Cox
2006-05-26 11:26 ` Olivier Galibert
2006-05-25 16:13 ` Greg KH
2006-05-26 17:39 ` Pavel Machek
2006-05-27 18:01 ` D. Hazelton
2006-05-28 0:03 ` Jon Smirl
2006-05-27 22:13 ` D. Hazelton
2006-05-28 2:34 ` Jon Smirl
2006-05-27 22:45 ` D. Hazelton
2006-05-28 3:27 ` Jon Smirl
2006-05-28 1:12 ` D. Hazelton
2006-05-28 23:13 ` Dave Airlie
2006-05-28 23:16 ` D. Hazelton
2006-05-29 3:43 ` Dave Airlie
2006-05-29 4:05 ` Jon Smirl
2006-05-29 0:25 ` D. Hazelton
2006-05-29 4:58 ` Neil Brown
2006-05-29 2:07 ` D. Hazelton
2006-05-29 5:14 ` Dave Airlie
2006-05-29 2:09 ` D. Hazelton
2006-05-29 5:28 ` Neil Brown
2006-05-29 7:14 ` Dave Airlie
2006-05-31 21:42 ` Jan Engelhardt
2006-05-31 21:15 ` D. Hazelton
2006-06-01 9:43 ` Jan Engelhardt
2006-06-01 11:51 ` Marko M
2006-06-01 15:54 ` D. Hazelton
2006-06-01 21:39 ` Antonino A. Daplas
2006-05-29 0:59 ` Jon Smirl
2006-05-29 1:29 ` Daniel Stone
2006-05-29 2:28 ` Jon Smirl
2006-05-30 17:40 ` David Lang
2006-05-30 21:53 ` Antonino A. Daplas
2006-05-30 21:55 ` Antonino A. Daplas
2006-05-30 22:13 ` Jon Smirl
2006-06-02 8:36 ` Ondrej Zajicek
2006-06-02 8:58 ` Pavel Machek
2006-06-02 18:49 ` David Lang
2006-06-02 22:01 ` Pavel Machek
2006-06-02 19:57 ` David Lang
2006-06-02 23:25 ` Antonino A. Daplas
2006-06-03 6:32 ` Pavel Machek
2006-06-03 7:05 ` Antonino A. Daplas
2006-06-03 16:35 ` Kyle Moffett
2006-06-03 20:55 ` Antonino A. Daplas
2006-06-02 12:17 ` Antonino A. Daplas
2006-05-30 22:35 ` Ondrej Zajicek
2006-05-30 22:55 ` Jon Smirl
2006-05-31 6:48 ` Martin Mares
2006-05-31 7:13 ` Jon Smirl
2006-05-31 3:25 ` D. Hazelton
2006-05-31 7:19 ` Martin Mares
2006-05-31 12:09 ` Helge Hafting
2006-05-31 13:34 ` Pavel Machek
2006-05-31 13:56 ` Martin Mares
2006-05-30 23:21 ` Antonino A. Daplas
2006-05-31 8:26 ` Ondrej Zajicek
2006-05-31 10:25 ` Marko M
2006-05-31 11:59 ` Antonino A. Daplas
2006-05-31 19:24 ` Geert Uytterhoeven
2006-05-31 19:57 ` Jon Smirl
2006-05-31 20:32 ` Matthew Garrett
2006-05-31 21:23 ` Jon Smirl
2006-06-01 2:21 ` Antonino A. Daplas
2006-05-29 10:23 ` Pavel Machek
2006-05-29 10:36 ` Dave Airlie
2006-05-29 12:48 ` Pavel Machek
2006-05-29 21:23 ` Jeff Garzik
2006-05-29 21:45 ` Pavel Machek
2006-05-30 17:44 ` David Lang
2006-05-30 20:18 ` Pavel Machek
2006-05-29 22:10 ` Jon Smirl
2006-05-29 22:58 ` D. Hazelton
2006-05-29 22:57 ` D. Hazelton
2006-05-29 23:23 ` Dave Airlie
2006-05-29 23:48 ` Marko M
2006-05-30 1:39 ` Ian Kester-Haney
2006-05-30 2:09 ` Randy.Dunlap
[not found] ` <441e43c90605291936t19caa0eat4bd4b699e0ac9202@mail.gmail.com>
2006-05-30 2:37 ` Fwd: " Ian Kester-Haney
2006-05-30 10:49 ` Alexey Dobriyan
2006-05-30 20:24 ` Pavel Machek
2006-05-30 20:56 ` Jon Smirl
2006-05-30 21:15 ` Ian Kester-Haney
2006-05-30 23:01 ` Dave Airlie
2006-05-30 23:27 ` Jon Smirl
2006-05-30 23:14 ` D. Hazelton
2006-05-31 4:02 ` Jon Smirl
2006-05-31 0:11 ` D. Hazelton
2006-05-31 4:16 ` Jon Smirl
2006-05-31 0:26 ` D. Hazelton
2006-05-31 4:39 ` Jon Smirl
2006-05-31 0:45 ` D. Hazelton
2006-06-01 0:50 ` Antonino A. Daplas
2006-06-01 1:37 ` Jon Smirl
2006-06-01 1:56 ` Antonino A. Daplas
2006-06-01 2:19 ` Jon Smirl
2006-05-31 22:36 ` D. Hazelton
2006-06-01 2:49 ` Jon Smirl
2006-06-01 9:28 ` Ondrej Zajicek
2006-06-01 16:59 ` Jon Smirl
2006-06-01 14:59 ` David Lang
2006-06-01 16:03 ` D. Hazelton
2006-06-01 20:35 ` Jon Smirl
2006-06-01 16:47 ` D. Hazelton
2006-06-01 21:21 ` Jon Smirl
2006-06-01 22:22 ` D. Hazelton
2006-06-01 21:05 ` Antonino A. Daplas
2006-06-01 21:23 ` Jon Smirl
2006-06-01 21:31 ` Antonino A. Daplas
2006-06-01 21:48 ` Jon Smirl
2006-06-01 22:21 ` Pavel Machek
2006-06-01 23:14 ` Antonino A. Daplas
2006-06-01 23:00 ` Andrew Morton
2006-06-01 23:39 ` Antonino A. Daplas
2006-06-01 23:14 ` Dave Airlie
2006-06-01 23:38 ` Jon Smirl
2006-06-01 23:47 ` Dave Airlie
2006-06-02 0:45 ` Jon Smirl
2006-06-02 9:05 ` Pavel Machek
2006-06-02 9:03 ` Pavel Machek
2006-06-02 1:15 ` Dave Airlie
2006-06-02 2:18 ` Jon Smirl
2006-06-01 22:34 ` D. Hazelton
2006-06-02 2:58 ` Jon Smirl
2006-06-01 23:01 ` D. Hazelton
2006-06-02 3:16 ` Jon Smirl
2006-06-02 0:34 ` D. Hazelton
2006-06-02 2:45 ` Dave Airlie
2006-06-02 3:27 ` Jon Smirl
2006-06-02 4:28 ` Jon Smirl
2006-06-02 0:35 ` D. Hazelton
2006-06-02 9:00 ` Pavel Machek
2006-06-03 3:21 ` Kyle Moffett
2006-06-03 1:25 ` D. Hazelton
2006-06-03 5:55 ` Jon Smirl
2006-06-03 2:09 ` D. Hazelton
2006-06-03 6:31 ` Jon Smirl
2006-06-03 2:38 ` D. Hazelton
2006-06-03 4:03 ` Jon Smirl
2006-06-08 7:02 ` Helge Hafting
2006-06-08 7:40 ` Daniel Hazelton
2006-06-08 8:30 ` Antonino A. Daplas
2006-06-09 2:44 ` Daniel Hazelton
2006-06-02 4:34 ` Ville Syrjälä
2006-06-02 0:36 ` D. Hazelton
2006-06-02 6:19 ` Dave Airlie
2006-06-02 17:31 ` Ville Syrjälä
2006-06-02 1:42 ` Antonino A. Daplas
2006-05-31 8:08 ` Pavel Machek
2006-05-30 23:38 ` Daniel Stone
2006-05-30 23:38 ` Pavel Machek
2006-05-30 23:55 ` Jon Smirl
2006-05-30 23:38 ` Pavel Machek
2006-05-31 0:00 ` Antonino A. Daplas
2006-05-31 0:47 ` Jon Smirl
2006-05-31 1:23 ` Antonino A. Daplas
2006-05-31 2:34 ` Jon Smirl
2006-05-18 20:27 ` replacing X Window System ! D. Hazelton
2006-05-17 13:20 ` Lennart Sorensen
2006-05-17 18:34 ` Jan Engelhardt
2006-05-16 23:10 ` Felipe Alfaro Solana
2006-05-17 8:46 ` Ondrej Zary
2006-05-17 9:59 ` Carlos Silva
2006-05-17 13:27 ` Lennart Sorensen
2006-05-17 17:37 ` David Schwartz
2006-05-17 17:46 ` alan
2006-05-17 17:56 ` Gábor Lénárt
2006-05-17 17:12 ` Felipe Alfaro Solana
2006-05-19 10:27 ` [OT] " Jan Knutar
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