{ rustPlatform, rust-riscv32i-crates, binutils-riscv32 }: rustPlatform.buildRustPackage rec { name = "helloworld"; version = "0.0.0"; src = ./.; cargoSha256 = "1j8ipk7mwf6jqjnddpvkdydhgl7lfddxkv6p1vhzlfhqlf8am42j"; buildPhase = '' export CARGO_HOME=$(mktemp -d cargo-home.XXX) export RUSTFLAGS="-L ${rust-riscv32i-crates}/lib/rustlib/riscv32i-unknown-none-elf/lib -C linker=${binutils-riscv32}/bin/riscv32-unknown-elf-ld -C link-arg=-Tlink.x" cargo build --release --target riscv32imc-unknown-none-elf ''; doCheck = false; installPhase = '' mkdir -p $out cp target/riscv32i-unknown-none-elf/release/helloworld $out ${binutils-riscv32}/bin/riscv32-unknown-elf-objcopy -O binary target/riscv32i-unknown-none-elf/release/helloworld $out/helloworld.bin ''; }