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From: "Sebastian Herbszt" <herbszt@gmx.de>
References: <488DC8B2.1070009@redhat.com><20080728141515.GJ3196@minantech.com>	<488DD98D.5010907@codemonkey.ws>	<20080728153527.GA23771@minantech.com>	<488F6E0E.2070504@codemonkey.ws>	<20080729195048.GC11061@minantech.com>	<f43fc5580807301032j2dc2b2fbmf6b53a5ebdf4504@mail.gmail.com>	<20080805143319.GC3689@minantech.com><48990DF6.90205@codemonkey.ws><f43fc5580808060926q2f05e537sedd725c23c1ed900@mail.gmail.com>
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Date: Thu, 7 Aug 2008 00:07:46 +0200
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Subject: [Qemu-devel] Re: Re: [PATCH 0/3]: Add UUID command-line option
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To: qemu-devel@nongnu.org, Anthony Liguori <anthony@codemonkey.ws>
Cc: Gleb Natapov <gleb@qumranet.com>

Anthony Liguori 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.

Could put it in the 0xe000 segment, e.g. 4kb below rombios16.bin at 0xf000.

- Sebastian