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Re: [Qemu-devel] I want to add the ARMv6 instructions, who can give some

From: Paul Brook
Subject: Re: [Qemu-devel] I want to add the ARMv6 instructions, who can give some advices?
Date: Wed, 7 Jun 2006 16:07:19 +0100
User-agent: KMail/1.9.1

On Wednesday 07 June 2006 15:53, Jamie Lokier wrote:
> Paul Brook wrote:
> > I do have access to the architecture documentation, so I probably
> > wouldn't be able to touch that code. ie. I'd be unable to continue
> > working on qemu.
> Is there a time limit on that part of your documentation license?


> Can you reveal to us what exactly your license prohibits, for example
> by pasting that part of the license here?


Specifically clause 2(i):
"No right is granted to [...] use the ARM Architecture Reference Manual for 
the purposes of developing or having developed microprocessor cores or models 
thereof which are compatible in whole or part with either or both the 
instructions or programmer's models described in this ARM Architecture 
Reference Manual"

You may argue whether qemu constitutes a "microprocessor model". However the 
ARM licencing/legal department have stated that in their opinion it does, and 
is covered by this clause.

Also note clause 2(iii) that prohibits redistribution of the document.


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