Ну так загляни, узнаешь. И кстати, в разделе Download тебя будет
ждать сюрприз - отдельно тоолчайн под линукс: http://www.mounriver.com/
This package contains Linux X64 tool chain and debugging & download tool OpenOCD for RISC-V core chip , supports RISC-V assembly and GNU C compilation, link operation; OpenOCD supports chip erasing, programming, verification and debugging. Please refer to the README file for detailed instructions.