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From: | Sebastian Herbszt |
Subject: | [Qemu-devel] Re: Re: [PATCH 0/3]: Add UUID command-line option |
Date: | Thu, 7 Aug 2008 00:07:46 +0200 |
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
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