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Date: Wed, 06 Aug 2008 11:33:43 -0500
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] Re: [PATCH 0/3]: Add UUID command-line option
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To: qemu-devel@nongnu.org
Cc: Gleb Natapov <gleb@qumranet.com>

Blue Swirl wrote:
> On 8/6/08, Anthony Liguori <anthony@codemonkey.ws> wrote:
>   
>>  I like having a configuration blob but am uncomfortable with stashing it in
>> memory somewhere.  I would think maybe stealing a few IO ports and using
>> that to read the rom may be nicer (albeit slower).  I think it's something
>> that needs to be implemented fully to work out the kinks.
>>     
>
> Ok, I made a new version that uses IO ports. But then you have to
> select a port instead of address, is that any better?
>   

A lot of the BIOS code is 16-bit and accessing high memory location from 
16-bit code is a royal pain.  That is simplified with using IO ports.

Regards,

Anthony Liguori