Bluespec is a US company that provides RISC-V processors and development tools that “speed integration, debugging and verification of embedded systems”. Their first RISC-V release was the Piccolo 3-stage in-order processor targeting low end embedded systems and IoT applications.
The company has now announced Bluespec Flute a 5-stage in-order open source RISC-V processor with the release of a synthesizable Verilog for a bare metal RV32IMA core and a supervisor level RV64IMA core.
To read more, please visit: https://www.cnx-software.com/2018/12/21/bluespec-flute-open-source-risc-v-processor/.