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Doesn’t the ARM ISA license already allow for extensions? I know Apple’s chips are full of them.
by colejohnson66 6y ago
Doesn’t the ARM ISA license already allow for extensions? I know Apple’s chips are full of them.
- wmf 6y agoApple's extensions are non-standard. Nvidia could make changes to the standard itself, not extensions. How much money this is worth I don't know.
- IshKebab 6y agoSure but those wouldn't be standard instructions that other people have to implement.
- colejohnson66 6y agoIs a custom core required to support the full standard instruction set? I thought I could license the rights to have my own, say, A53, and then I’d be able to customize it (as long as I don’t call it an A53 core). Is that not the case?
- IshKebab 6y agoI wouldn't be surprised if their licensing terms require your chip to pass some kind of compliance test for the standard ISA, but probably only the licensees know that. I'm sure you can't use the ARM trademarks if it isn't compatible thought - that's pretty standard.