Re: [Qemu-devel] Modeling x86 early initialization accurately

[Paul Brook]

> - Start up with all RAM being readonly. Writes should be discarded,
> reads will usually return 0xff or be undefined. The "undefined" variant
> would allow the code to allocate RAM once and just switch write access
> on/off.

Does anything actually rely on this behavior?
I can see the need to the other bits, but it seems kinda strange that anything 
would rely on RAM being readonly. This seems more like a coreboot bug than 
anything else.

Paul