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Well, I think the fact it's LGPL vs. GPLv2 is one point in favor of RISC-V. The other major factor I believe is that the RISC-V architecture is better suited f
by tw04 11y ago
Well, I think the fact it's LGPL vs. GPLv2 is one point in favor of RISC-V. The other major factor I believe is that the RISC-V architecture is better suited for embedded type applications. I don't think you could (easily) scale down the OpenSPARC design enough to make it a suitable architecture.
- zhemao 11y agoThe RISC-V ISA and Berkeley's open source reference implementations are BSD-licensed, not LGPL. And yes, the RISC-V ISA is simpler than the SPARC ISA. We also have clearly separated the base integer ISA from the various extensions, such as floating-point, atomics, supervisor, etc.
- tw04 11y agoThank you for the correction, I was thinking OpenRISC (which is LGPL), vs. RISC-V (which is BSD).