From: Russell King <rmk@arm.linux.org.uk>
To: root@chaos.analogic.com
Cc: jgarzik@mandrakesoft.com (Jeff Garzik),
linux-kernel@vger.kernel.org, mj@suse.cz
Subject: Re: VGA PCI IO port reservations
Date: Fri, 17 Nov 2000 17:20:28 +0000 (GMT) [thread overview]
Message-ID: <200011171720.RAA01403@raistlin.arm.linux.org.uk> (raw)
In-Reply-To: <Pine.LNX.3.95.1001117114858.19946A-100000@chaos.analogic.com> from "Richard B. Johnson" at Nov 17, 2000 12:13:14 PM
Richard B. Johnson writes:
> This can't be.
Richard, before I read any further, I suggest that you get some
documentation on a few PCI VGA cards and read up on the register
addresses. You may want to change your assumptions about what can and
can't be. ;)
And I can definitely say that if you don't allow access to these "extended"
VGA ports, BIOSes either enter infinite loops or else terminate without
initialising the card. Trust me; I've been successfully running various
PCI VGA card BIOSes under an x86 emulator on an ARM machine for the past
few months.
_____
|_____| ------------------------------------------------- ---+---+-
| | Russell King rmk@arm.linux.org.uk --- ---
| | | | http://www.arm.linux.org.uk/personal/aboutme.html / / |
| +-+-+ --- -+-
/ | THE developer of ARM Linux |+| /|\
/ | | | --- |
+-+-+ ------------------------------------------------- /\\\ |
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next prev parent reply other threads:[~2000-11-17 17:51 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-17 16:20 VGA PCI IO port reservations Russell King
2000-11-17 16:36 ` Jeff Garzik
2000-11-17 16:46 ` Russell King
2000-11-17 16:52 ` Jeff Garzik
2000-11-17 16:58 ` Russell King
2000-11-17 17:03 ` Jeff Garzik
2000-11-17 17:11 ` Russell King
2000-11-17 21:43 ` Matthew Kirkwood
2000-11-17 22:02 ` H. Peter Anvin
2000-11-18 17:41 ` About IOs, ISA, PCI, and life (WAS: VGA PCI IO port...) Benjamin Herrenschmidt
2000-11-17 17:13 ` VGA PCI IO port reservations Richard B. Johnson
2000-11-17 17:20 ` Russell King [this message]
2000-11-17 17:30 ` Alan Cox
2000-11-17 18:06 ` Richard B. Johnson
2000-11-17 19:52 ` Russell King
2000-11-17 19:59 ` Richard B. Johnson
2000-11-17 20:02 ` Russell King
2000-11-17 20:27 ` Richard B. Johnson
2000-11-18 1:20 ` Olivier Galibert
2000-11-18 2:10 ` H. Peter Anvin
2000-11-18 17:02 ` Alan Cox
2000-11-27 22:10 ` Kai Henningsen
2000-11-17 21:35 ` Marcus Sundberg
2000-11-17 20:13 ` H. Peter Anvin
2000-11-17 20:31 ` Richard B. Johnson
2000-11-17 16:47 ` Brian Gerst
2000-11-17 16:56 ` Russell King
2000-11-17 17:00 ` Jeff Garzik
2000-11-17 18:29 ` H. Peter Anvin
2000-11-17 18:27 ` H. Peter Anvin
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