[openrisc] [Fwd: openrisc notes]

[Jamil Khatib <khatib@ieee.org>]

Damjan can you please take care of these notes and give a reply to Jeff?


Jeff Davies wrote:

>
> It seems from the pages that OR1K is nearing completion as well. This is
> particularily interesting since all the other CPUs use proprietary
> architecture.
>
> One question I have: I have been told that various companies have patents on
> the very concept of virtual memory. Although not absolutely necessary for
> Linux (uclinux etc do away with this), VM is a fairly useful thing. Is there
> anyone at opencores who knows about patents and stuff. I guess the bad people
> cant do anything until something is built, and shipping.
> Then they fire off their nasty letters asking for royalties, but I guess the
> possibility of receiving nasty letters will prevent some folks from actually
> using the cores in the first place. (my point is the uncertainty might be
> worse than actually paying of a royalty).
>
> (obviously the situation might extend well beyond Virtual Memory, and affect
> other subcomponent parts of designs).
> Perhaps having discussions on this (assuming you havent already) would be a
> positive move to get rid of some demons.
>
>
> Jeff Davies

--
   Jamil Khatib
OpenCores Organization
http://www.opencores.org




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