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Suspect that ISA can’t be patented but efficient implementation of aspects of it are. (IANAL again) However the cost of implementing the Arm ISA in a clean roo
by klelatti 5y ago
Suspect that ISA can’t be patented but efficient implementation of aspects of it are. (IANAL again)
However the cost of implementing the Arm ISA in a clean room is probably more than the licensing cost from Arm - they are spreading their costs over lots of customers and you are not - so why would you do it?