Install qemu-system-risc64 and follow instructions at https://wiki.qemu.org/Documentation/Platforms/RISCV#Booting_Linux.
Install docker. To start the emulator, run
$ docker run -it -p 2222:22 --rm azulresearch/riscv-emu
or (from this directory)
$ docker build --tag=riscv-emulator .
$ docker run -it -p 2222:22 --rm riscv-emulator
You can then access the emulator using ssh:
$ ssh [email protected] -p 2222
Login is root, password is riscv.
To exit from QEMU press CTRL + A, release and press X.