linux-kernel - Re: arch/i386/boot rewrite, and all the hard-coded video cards

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Message-ID: <46390CA3.5030300@zytor.com>
Date:	Wed, 02 May 2007 15:11:47 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Rene Herman <rene.herman@...il.com>
CC:	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andi Kleen <ak@...e.de>, Jeff Garzik <jeff@...zik.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>
Subject: Re: arch/i386/boot rewrite, and all the hard-coded video cards

Rene Herman wrote:
> On 05/02/2007 11:25 PM, H. Peter Anvin wrote:
> 
>>> Anyways, I know you asked about register writes but in case it's
>>> still useful info: the CL54xx adapters have 132x43 and 132x25 as BIOS
>>> modes 0x54 and 0x55 (ie, just int 0x10 modes) respectively. No idea how
>>> complete the Bochs/Qemu video BIOS is.
>>
>> No, they don't.  I've found enough Cirrus docs to learn that that was
>> pulled out of their BIOS when they ran out of space.
> 
> Mine has them.
> 

The problem is to detect the ones that have it from the ones that don't.

	-hpa
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