Hi David, David Craven <da...@craven.ch> writes:
>> I had followed some earlier developments but had lost track recently! >> I'm happy to see that they have released the sources of their >> microcontroller chip design. > > It's more than a microcontroller chip design. The people behind sifive are > from uc berkeley and also developed a full gcc toolchain backend, a linux > port, a qemu and a clang port. > > They have taped out multiple chips capable of booting Linux, and are > still working on putting the finishing touches on the privileged architecture > spec which is an open collaborative effort of the RISCV foundation, before > releasing their SoC.. The sifive developers play an important role there. > > Benchmarks for code size and performance show that their SoC and the > ISA they developed is comparable to and out performs at least all ARM > cortex-a chips with an in-order-pipeline. > > They also are developing and have taped out an out-of-order core. All of > their developments are released as free hardware. > > Their specifications have enabled me to study a real world instruction set > architecture, studying something like ARM or x86 - I'm sure people have > looked at those manuals - are not something a beginner can study to > any form of completeness, they are simply to large and too complicated. > Impressive! Sounds like something I should look more into :) Thanks for sharing. Maxim
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