On 5 Feb 2003, Benno Rice wrote:

> On Wed, 2003-02-05 at 07:25, Narvi wrote:
> > On Sat, 1 Feb 2003, Kurt J. Lidl wrote:
>
> [snip]
>
> > > How else are you going to do the physical interrupt steering?
> > > Unless they have gone through the effort of implementing a whole
> > > new and different steering mechanism -- which would fly in the face
> > > of having off-the-shelf OS support from the people in Redmond, at
> > > the very least.
> > >
> >
> > At least at some point there was a thing called OpenPIC which the then big
> > two alternative x86 processor vendors AMD and Cyrix promised to support.
> > In practice I believe it ever only got used on one or two PPC boards.
>
> One or two like every new world Macintosh. =)
>
> In fact quite a lot of PowerPC boards use OpenPIC as it's specified in
> the CHRP spec, which IBM and Apple follow for the most part.  I know
> that Motorola's MPC10x host-pci bridge chipsets also have an
> OpenPIC-compatible PIC in them.  I also wouldn't be surprised if the Mai
> Logic chipset used on the Teron CX motherboards has one as well.


Ah, well, I didn't know that it migrated to the PPC mainstream - these are
very much 95/96/97 memories. So by virtue of ppc mp support freebsd would
also get nearer to x86 openpic mp support (should any such ever show up)?

>
> --
> Benno Rice <[EMAIL PROTECTED]>
>


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