Actually, from what I have been told by several ARM representatives
its the other way around. Something in the Jazelle architecture is
covered by one or more Sun patents, which means that ARM cannot
disclose the architectural details to 3rd parties that isn't Sun-
licensees.
I believe that in view of the recent open-sourcing of Java, Sun and
ARM should sit together and solve this issue so that we can use the
full potential of our devices. I find this whole situation ridiculously.
/Jesper
On 16. Nov 2006, at 06:29, Luis Montes wrote:
Mathieu Lacage wrote:
On Tue, 2006-11-14 at 09:47 +0100, Jesper Zuschlag wrote:
Unfortunately it doesn't seems so as the Jazelle-related code (/
src/ vm/cpu/arm/jazelle) has been removed from the PhoneME
Feature release. Maybe Sun could be convinced to resolve this
issue with ARM as they always points at Sun as being the source
to the non- disclosure policy due to some patent issue.
I find it completely ridiculous to have an undocumented
instruction set on a generally available CPU, which I have told
ARM at any given occasion. However, they haven't really been
ready to see it from that point of view.
>From a business perspective, I suspect that Sun is more
interested in
keeping this private as it is a way for them to extract licenses from
the embedded guys and this represents quite a bit of money.
Mathieu
Seems more likely to me that Sun can't give away code that they
have only licensed from ARM.
As stupid as it may be, Jazelle specifications are proprietary to
ARM and ARM is probably the one that would object to Sun releasing
jazelle-related code.
You'd think a hardware manufacturer would want people to be able to
actually use the hardware they purchase.
If we want Jazelle to work on the 770 it's up to nokia to negotiate
with ARM. Thus far we have seen very little interest from Nokia in
bringing a JVM to the 770.
Luis
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