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List Archive: gentoo-sparc
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To: gentoo-sparc@g.o
From: Ferris McCormick <fmccor@g.o>
Subject: Re: GWN "Want ad" for sparc architecture testers
Date: Thu, 27 Sep 2007 13:40:00 +0000
On Thu, 2007-09-27 at 08:16 +0100, Alex Buell wrote:
> On Wed, 26 Sep 2007 14:49:10 +0000, I waved a wand and this message
> magically appears in front of Ferris McCormick:
> 
> > > As for there being a lack of a Java VM on sparc, if anyone's
> > > working on porting Sun's JVM, I can help with testing the builds.
> > 
> > Supposedly, this is very hard to hopeless (according to sun).  There
> > are more promising alternatives, such as jamvm or perhaps cacao.  I
> > have played a bit with jamvm, and I think it could be made to work.
> > It's mostly a matter of figuring out what order the arguments to a
> > couple macros which are used for test-and-swap are given, and making
> > a few memcopy macros work right.  I've had it running; just not quite
> > correctly.
> 
> I thknk gcj could do the job just as well. It can compile to bytecode. 
>  
jamvm is a java machine, not a compiler.

> > jamvm (or something like it) would make a very nice project.  Sun java
> > would probably not (I think sun have it on their to-do list, but
> > considered long-term and difficult).
> 
> I think it's enormously vital that Sun get off their butts and do
> something about it - porting the linuxintel version to linuxsparc
> should work. I've actually dug around in the jvm sources and they do
> have some assembly in various places. These would have to be rewritten
> for the sparc platform. 
> 
Interesting.  Do you think it would be easier to port from linux intel
than from solaris/sparc?  That might make a lot of sense.

(Depending on how much assembly code there is, and whether anyone can
read it.  How much is needed outside, perhaps, the atomic operations
like atomic_add or test_and_set?)

> > If you want to be an AT, please set it up with jmbsvicetto or with me;
> > it's mostly a matter of getting you through the ebuild quiz.
> 
> Thanks
> Alex
> -- 
> http://www.munted.org.uk
> 
> Fearsome grindings.

Thanks and regards,
-- 
Ferris McCormick (P44646, MI) <fmccor@g.o>
Developer, Gentoo Linux (Devrel, Sparc)

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References:
GWN "Want ad" for sparc architecture testers
-- Ferris McCormick
Re: GWN "Want ad" for sparc architecture testers
-- Alex Buell
Re: GWN "Want ad" for sparc architecture testers
-- Jorge Manuel B. S. Vicetto
Re: GWN "Want ad" for sparc architecture testers
-- Alex Buell
Re: GWN "Want ad" for sparc architecture testers
-- Jim Watson
Re: GWN "Want ad" for sparc architecture testers
-- Alex Buell
Re: GWN "Want ad" for sparc architecture testers
-- Ferris McCormick
Re: GWN "Want ad" for sparc architecture testers
-- Alex Buell
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Updated Jun 17, 2009

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