Grab and install the latest toolchain from:
https://github.com/YosysHQ/oss-cad-suite-build/releases/latest
Remember to mollify Gatekeeper if you're on macOS:
oss-cad-suite/activate
Enable environment with:
source <path-to>/oss-cad-suite/environment
If you'd like to use rustup to manage your Rust environment you can install it with:
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
Install riscv target support:
rustup target add riscv32imac-unknown-none-elf
Install cargo binutils support:
rustup component add llvm-tools-preview
cargo install cargo-binutils
This is needed to build the C examples:
# macOS - https://github.com/riscv-software-src/homebrew-riscv
brew tap riscv-software-src/riscv
brew install riscv-gnu-toolchain
# debian
apt install gcc-riscv64-unknown-elf