> an open implementation of a commercial cpu?
At least the x86, x86-64 and ARM ISAs are covered by patents, so you'd need licensing even for an open independent implementation. I imagine this applies to most other commercial ISAs.
At least the x86, x86-64 and ARM ISAs are covered by patents, so you'd need licensing even for an open independent implementation. I imagine this applies to most other commercial ISAs.
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