Re: POWER Port

[H. Peter Anvin]

[e-mail] wrote:
> 
> Hi *,
> 
>   This is correct, the POWER4 work will not work on POWER. They are
> very different from each other, POWER for instance is 32 bit chip, POWER4
> is a 64 bit chip. POWER came out in 1991 if memory serves be correct and
> POWER4 isn't out yet, it's under development yet.
> 
> > Well, there is POWER-1, -PC, -2, -3 and -4; I don't know how different
> > they are.  If Sarah was referring to POWER-1, I would agree it's dead.
> 
>   POWER, POWER2 used the MCA bus so this is significant work that would
> need to be done to get the current PowerPC linux running on these machines.
> 
>   PowerPC Linux does run on IBM hardware, for those interested on what
> makes models etc, take a gander at
> oss.software.ibm.com/developerworks/opensource/linux/projects/ppc
> 
>   POWER3 and POWER4 are full 64 bit processors. Linux now runs on both
> of these processors as a 32 bit kernel. There's a bit more work to be
> done here but it works.
> 
>   I should mention that the PowerPC Linux team is just starting work on
> a 64 bit version of the PowerPC Linux kernel. We're hoping this will
> fit into something like arch/ppc64 as soon as work begins on 2.5.x.
> This work isn't just an internal to IBM and we want definately
> to work with the open source community on this.
>   Most of the discussion for the 64 bit PowerPC kernel has been on
> [e-mail]. I encourage you to subscribe
> to this list if you are at all interested in this.
> 

Cool.  I'm always very interested in Linux work on other architectures.

	-hpa

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