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[Qemu-devel] Re: Seabios dislikes -M isapc

From: Jan Kiszka
Subject: [Qemu-devel] Re: Seabios dislikes -M isapc
Date: Mon, 08 Feb 2010 20:09:17 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv: Gecko/20080226 SUSE/ Thunderbird/ Mnenhy/

Sebastian Herbszt wrote:
> Jan Kiszka wrote:
>> Hi,
>> Seabios seems to have some assumptions built in that break when -M isapc
>> is selected. Is this supposed to work or is isapc about to die?
> SeaBIOS doesn't POST if the F-segment is not writeable [1]. A possible, but 
> wrong fix was posted on the list [2].
> [1] http://lists.gnu.org/archive/html/qemu-devel/2009-11/msg01188.html
> [2] http://lists.gnu.org/archive/html/qemu-devel/2009-12/msg00445.html

Indeed, [2] makes it work again.

But taking away IO_MEM_ROM really looks like a lazy workaround. I don't
know how much Seabios needs to write - can't it use normal RAM for this?


Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

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