23 lines
801 B
Nix
23 lines
801 B
Nix
{ rustPlatform, rust-riscv32i-crates, binutils-riscv32 }:
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rustPlatform.buildRustPackage rec {
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name = "helloworld";
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version = "0.0.0";
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src = ./.;
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cargoSha256 = "1j8ipk7mwf6jqjnddpvkdydhgl7lfddxkv6p1vhzlfhqlf8am42j";
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buildPhase = ''
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export CARGO_HOME=$(mktemp -d cargo-home.XXX)
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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"
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cargo build --release --target riscv32imc-unknown-none-elf
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'';
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doCheck = false;
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installPhase = ''
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mkdir -p $out
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cp target/riscv32i-unknown-none-elf/release/helloworld $out
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${binutils-riscv32}/bin/riscv32-unknown-elf-objcopy -O binary target/riscv32i-unknown-none-elf/release/helloworld $out/helloworld.bin
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'';
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}
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