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From: Fabrice Bellard <fabrice@bellard.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel]  [patch] incorrect VGA initialization,	can provide image
Date: Mon, 13 Sep 2004 23:29:46 +0200	[thread overview]
Message-ID: <4146114A.9080801@bellard.org> (raw)
In-Reply-To: <20040910183445.76731.qmail@web52506.mail.yahoo.com>

This is better, but maybe a heuristic could do even better (for example 
by tracking access to registers which map plans 2 and 3 ?).

Fabrice.

Piotr Krysik wrote:
> Update of font memory is now detected during 
> vga_draw_text. I also added time-to-live for 
> font cache to limit memory bandwidth required 
> for cache validation (overkill?).
> 
> Please review.
> 
> 
> Piotrek
> 
> --- Fabrice Bellard <fabrice@bellard.org> wrote:
> 
> 
>>OK for the idea, but it is not acceptable to slow
>>down the VGA write functions just to detect the 
>>font change. Another solution must be found.
>>
>>Fabrice.

  reply	other threads:[~2004-09-13 21:59 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-09 22:14 [Qemu-devel] [patch] incorrect VGA initialization, can provide image Piotr Krysik
2004-09-10 10:20 ` Johannes Schindelin
2004-09-10 12:26   ` Piotr Krysik
2004-09-10 13:17     ` Fabrice Bellard
2004-09-10 16:15       ` [Qemu-devel] IRIX host Johannes Schindelin
2004-09-10 16:33         ` Paul Brook
2004-09-10 18:34       ` [Qemu-devel] [patch] incorrect VGA initialization, can provide image Piotr Krysik
2004-09-13 21:29         ` Fabrice Bellard [this message]
2004-10-11  7:40           ` Piotr Krysik

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