[coreboot] how to model the Quark architecture
peter at stuge.se
Tue Feb 18 19:11:06 CET 2014
Aaron Durbin wrote:
> > I think the most obvious thing is the message port architecture?
> > Sure, we can skip modeling them and create some global functions for
> > sending messages to random ports, but that wouldn't be very impressive..
> What do you mean by modeling them?
Compare with how HT (doesn't) works, or with PCI.
> What is an impressive implementation for sending messages to ports?
> It's just another address space through index/data pairs.
That's exactly what I disagree with. There is an architecture and I
would expect coreboot to model it rather than dumping an array of
magic number pairs into index/data.
The coreboot devicetree doesn't model HT so well - it is treated as
"another address space". I think it would be better to avoid
repeating such a mistake?
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