Re: [Qemu-devel] Intel 440bx hardware emulation correctness

[Cristi Magherusan]

On Sun, 2009-07-26 at 14:35 +0300, Cristi Magherusan wrote:
> Hello,
> 
> 
> Does qemu aim to completely emulate the Intel 440bx northbridge hardware
> (and maybe other) to detail, or instead does it on purpose skip some
> parts for the sake of simplicity?
> 
> As an example, I've seen that the RAM parameters are written in CMOS
> instead of doing it using SPD and some RAM control registers, as
> documented in the 440 datasheet. 
> 
> This only affects the BIOS code that does RAM detection, so the Bochs
> BIOS code would also need to be changed accordingly.

Actually, in fact I'm interested to find out wether there are other
differences between qemu and a real 440bx-based motherboard, besides RAM
detection.

I'm asking because I'm willing to rewrite the coreboot qemu support code
based on the generic northbridge/southbridge code.

Thanks,
Cristi

-- 
Ing. Cristi Măgherușan, System/Network Engineer
Technical University of Cluj-Napoca, Romania
http://cc.utcluj.ro  +40264 401247

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