Found out today about the SHAKTI processor. An university project that aims to build 6 variants of processors based on the RISC-V ISA
Project Home Page: http://rise.cse.iitm.ac.in/shakti.html
Few (all?) code-drops: https://bitbucket.org/casl/shakti_public
HN discussion: https://news.ycombinator.com/item?id=15684225
regards CVS