[libre-riscv-dev] [Bug 178] first coriolis2 tutorial, workflow and "test project" page

[bugzilla-daemon at libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=178

--- Comment #71 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jean-Paul.Chaput from comment #70)

> > okaaay. is there a way to visualise that?  i notice "make view" is missing?
> 
>   make cgt

ah yes i remember.

>   Then load the "ringoscillator" design.

got it!  thank you.

>   OK, remaining question may be do you have a placement in mind for
>   each combinatorial block or do we use the placer?

not really, i would imagine that the router is intelligent enough to
realise that cells nearest to inputs should be placed near to inputs,
and cells nearest to outputs likewise to outputs, and leave it at that.

even within the combinatorial blocks the paths are pretty straightforward
and go pretty much in a directed graph.

if however on visual inspection it is clear that that is going wrong,
we can adjust accordingly.

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