On Wed, Dec 12, 2007 at 06:15:34AM +0100, Tristan Gingold wrote:
> On Wed, Dec 12, 2007 at 01:07:13PM +0900, Kouya Shimura wrote:
> Content-Description: message body text
> > Hi Alex,
> >
> > Thank you for reviewing.
> > I updated the patch as your comments. please apply.
> > I also long for a xencomm.
>
> For xencomm, I was maybe a little bit optimistic. Xencomm requires a buffer
> in RAM, which is not esay (or possible) for static convention. So we have
> to pass the content through registers...
My latest idea on this subject:
The buffers are small: 64 bytes. So, instead of passing a buffer address,
return the buffer by register (using scratch register r14-r21). The PAL
stub can then save it to memory. I think this approach is the simplest
one.
Tristan.
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