Project Proposal: PowerPC/AIX port

Mike Swingler swingler at apple.com
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.

Regards,
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 gmail.com> 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.




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