I'm a bit curious. If I understand what is being done, it is similar to a Java JVM. The z/VOS reads and interprets the x86 arch instructions, with some JIT on the side. However, other companies, such as AMD, need cross licensing to create chips which run x86. That "cross licensing" is part of IBM's complaint against PSI. PSI was not licensed to create a zArchitecture emulator. Couldn't Intel "shut down" Mantissa with a similar suite? I don't remember reading that Mantissa has an agreement with Intel. I don't think the "fact" that z/VOS is a software emulator instead of a harware implementation is relevant. Of course, IANAL.
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