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{
description = "Open source IC design tools for Sky130";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
open_pdks = {
url = "github:fpiper/open_pdks-flake";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = { self, nixpkgs, open_pdks }:
let
pkgs = import nixpkgs {
system = "x86_64-linux";
};
in {
devShells.x86_64-linux.default = self.devShells.x86_64-linux.osic;
devShells.x86_64-linux.osic = pkgs.mkShell {
shellHook = ''
export PS1="osic $ "
export PDK_ROOT="${open_pdks.outputs.packages.x86_64-linux.open_pdks}/pdk"
'';
packages = [
pkgs.ngspice
pkgs.magic-vlsi
pkgs.xschem
];
};
};
}
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