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ELI5: What is RISC-V?
(sh.itjust.works)
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this post was submitted on 13 Jun 2024
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Yes, but open-specifications doesn't mean open-hardware.
Open specifications may not be sufficient for open hardware, but they are largely necessary. https://simple.wikipedia.org/wiki/Necessary_and_sufficient_conditions
OpenHW Group: CORE-V Family of Open-Source RISC-V Cores
The point is rather that RISC-V is only open-specifications and most available chip designs are not open-source or only partially so in the open-hardware sense.
No one would claim that the Ethernet specifications are open-hardware, yet you see the same (false) claim for RISC-V all the time.
That’s fine, but I’m not making that claim. RISC-V is free of patent & licensing encumbrances as well as copyright ones, which allows for the possibility of open hardware developing on it. Open source software is likewise about patents and other encumbrances, not only copyright.