Project Proposal: PowerPC/AIX port

Mike Swingler swingler at
Tue May 8 16:34:21 UTC 2012

Mac PPC support in Mac OS X 10.5 Leopard was effectively 32-bit. It was possible to create 64-bit PPC processes, but they were limited to the libSystem level, and had no support in the higher level graphical frameworks.

Mike Swingler
Apple Inc.

On May 8, 2012, at 9:27 AM, Volker Simonis wrote:

> Hi Henri,
> we have limited resources and as outlined in the proposal, we will focus on
> Linux/PowerPC64 and AIX. In  particular, the PowerPC port of HotSpot
> will be 64-bit
> only simply because this is what we currently have.
> However this is an Open Source project and anybody willing to
> contribute may join the project.
> I think one particularly good point in time to join the project would
> be when we have
> the interpreter-only version of HotSpot running on Linux/PPC64. I
> suppose it should be
> not to hard for an OS/X expert to merge the processor specific part
> with the OS/X
> OS part from the current Mac OS X port.
> By the way, does OS/X only support 32-bit or both 32- and 64-bit?
> Regards,
> Volker
> On Tue, May 8, 2012 at 5:52 PM, Henri Gomez <henri.gomez at> wrote:
>>> The "VM interface" part of the project will be mainly a playground for our
>>> IBM colleagues as they have a natural interest to interface the OpenJDK
>>> class library with their alternative VM implementation. We as SAP are interested
>>> in this topic because it may help us to more easily support old Java releases
>>> with newer VM versions.
>> There is another platform where PPC support on OpenJDK 7/8 is highly
>> awaited, OS/X.
>> Could it be part of the platforms scope ?
>> There is many people around willing to provide support on it.

More information about the discuss mailing list