Revive support for SPARC V8

[Hohensee, Paul]

Moving to hotspot-dev and porters-dev in case anyone has something to add. compiler-dev is the javac list. :)

Thanks,

Paul

From: compiler-dev <compiler-dev-bounces at openjdk.java.net> on behalf of Martijn Verburg <martijnverburg at gmail.com>
Date: Monday, January 28, 2019 at 3:25 PM
To: Tiago Nogueira <tiago.nogueira at visionspace.com>
Cc: "compiler-dev at openjdk.java.net" <compiler-dev at openjdk.java.net>
Subject: Re: Revive support for SPARC V8

Hi Tiago,

Please see https://openjdk.java.net/contribute/ - I think the reality is that a significant organization would need to commit real engineering time to support this platform for the long haul.  If your organisation is able to do so then you may wish to start the work and then propose a porting project or a JEP as appropriate.

Cheers,
Martijn


On Mon, 28 Jan 2019 at 10:00, Tiago Nogueira <tiago.nogueira at visionspace.com<mailto:tiago.nogueira at visionspace.com>> wrote:
Hello,

I'm new to the mailing list, and i just hope this is the right place to bring this up.

Support for SPARC V8 was removed in 2013 (see https://bugs.openjdk.java.net/browse/JDK-8017756). The argument at the time was that SPARC V8 hardware was not used any more (see https://bugs.openjdk.java.net/browse/JDK-8008407).

Well, it turns out that the the space industry has finally caught up, and the new generation of radiation hardened SoCs, at least in Europe, will be based on SPARC V8 (see https://www.gaisler.com/doc/gr740/GR740-OVERVIEW.pdf).

What would be the effort to revive support for SPARC V8? I think this would be a great opportunity to get Java running on rad-hard hardware in low Earth orbit and beyond...

Thanks
Tiago

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