FreeBSD PowerPC Port

Curtis Hamilton hamiltcl at
Tue Feb 16 12:00:04 UTC 2016

It may be possible to use this code for OSX on G5 systems.  It would require additional work for to support 32-bit G4 systems.

-----Original Message-----
From: Toby Thain [mailto:toby at] 
Sent: Saturday, February 13, 2016 3:35 PM
To: Curtis Hamilton <hamiltcl at>; 'Joe Nosay' <superbisquit at>
Cc: java at; bsd-port-dev at
Subject: Re: FreeBSD PowerPC Port

On 2016-02-13 3:06 PM, Curtis Hamilton wrote:
> Thanks for the response, but I think you missed the point of my email.
> As I stated in my email, I've already built a Zero VM, interpreter based JDK.  That's what you get with the instructions you provided.
> My goal was building a true native PowerPC  (JIT) JDK, which until about 12 hours ago was only available for AIX and Linux.
> Using the Zero VM JDK and modifying the Linux PPC code, I've successfully built a true native PowerPC (JIT) JDK.  Which is an order of magnitude faster than the interpreted JDK.

Nice work!

I'd be interested to see a path to getting that working on the OS X/PowerPC target. Would you say it's feasible?

There is a working Zero build at least for JDK 7.
( ref )


> BTW, I did the research and communicated with Greg, as well as others across the OpenJDK community.
> Regards!

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