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Re: [Qemu-devel] BIOS checksums?


From: Gianni Tedesco
Subject: Re: [Qemu-devel] BIOS checksums?
Date: Mon, 21 Jun 2004 15:33:50 +0100

On Mon, 2004-06-21 at 07:29 -0700, Piotr Krysik wrote:
> Are you talking about using proprietary closed-source BIOS-es of real
> PC? They are usually very hardware-depended.
>  
> In fact I started a project to use QEMU to monitor interactions
> between guest OS and real hardware (similar to "PCI Host/Proxy" by
> Gianni Tedesco, but not limited to PCI hardware). At this point I have
> prof of concept prototype that successfully boots proprietary BIOS of
> my PC up to the point of testing the RAM.

Sounds very interesting, are you doing this just generically by just
hooking up virtual i/o ports to real ones? I guess to get a BIOS running
it takes more than that?

Doesn't the BIOS use the PMC config space to query DRAM bank layout? If
so that shouldn't be too difficult to modify hw/pci.c to do the right
thing(tm)....

-- 
// Gianni Tedesco (gianni at scaramanga dot co dot uk)
lynx --source www.scaramanga.co.uk/scaramanga.asc | gpg --import
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