[XenPPC] Question on CellBE, PS3, etc.

2007-04-13 Thread Fang Zhe

Hi, all

I'm wondering if XenPPC can work on Cell BE(As it includes a 970
compatiable Core), and ...what about PS3? Is it possible? Or anybody
already working on it?

Thanks a lot.

Zhe

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Re: [XenPPC] Question on CellBE, PS3, etc.

2007-04-13 Thread Jimi Xenidis


On Apr 12, 2007, at 9:51 AM, Fang Zhe wrote:


Hi, all

I'm wondering if XenPPC can work on Cell BE(As it includes a 970
compatiable Core),


Yes, it could work on Cell with not a whole lot of effort.
Some register remappings, IIC and IOMMU work and you'd get just about  
everything else for free.




and ...what about PS3? Is it possible?


PS3 already comes with Sony's Hypervisor, so unless you can get _it_  
out of the way, it would take substantially more work and it would be  
similar to the noHV work that was done for G5s:

  http://wiki.xensource.com/xenwiki/XenPPC/NoHV


Or anybody already working on it?


nope, but I know quite a bit about Cell and would be willing to help.

-JX

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Re: [XenPPC] Question on CellBE, PS3, etc.

2007-04-13 Thread Hollis Blanchard
On Thu, 2007-04-12 at 21:51 +0800, Fang Zhe wrote:
 I'm wondering if XenPPC can work on Cell BE(As it includes a 970
 compatiable Core), and ...what about PS3? Is it possible? Or anybody
 already working on it?

Cell BE does support the same hypervisor extensions that the 970 does,
so in theory it should be possible to port Xen to it. I wouldn't call
its core 970 compatible other than in the way all PowerPC cores are
+/- compatible.

PS3 has its own hypervisor which of course won't let user-supplied code
run in hypervisor mode.

-- 
Hollis Blanchard
IBM Linux Technology Center


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