Initial version

Remove cicsim

1 files changed, 33 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..2df09e3
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,33 @@
+{
+	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
+				];
+			};
+		};
+}