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I don't think that emulating an x86 processor on a System z processor is the
way to go.
If we feel that there exists a need to integrate x86 functionality into a
System z complex, why not permit the incorporation of x86 processors on what
IBM used to call an "MCM" (Multi-Chip Module, I believe), and permit
signaling from a System z processor to an x86 MCM using the SIGP (Signal
Processor) machine instruction.
I would suggest further that System z processors be numbered from 0-255 (we
are nowhere close to the limit), and that x86 processors be numbered from
256-65535.
John P. Baker
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of Tony Harminc
Sent: Wednesday, July 08, 2009 6:51 PM
To: [email protected]
Subject: Re: Computerworld: London Stock Exchange to Abandon Windows
IBM used to make x86 chips (
http://www.flickr.com/photos/lrosa/2168717678/ ), so who knows - maybe
they're already licensed...
Tony H.
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