Initial version

Remove cicsim

2 files changed, 200 insertions, 0 deletions

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..1bf288f
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,167 @@
+{
+  "nodes": {
+    "PaulSchulz_sky130_pschulz_xx_hd": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1606871627,
+        "narHash": "sha256-+7DxRIZJM7rsMUcWA6DjVNMaPrhlY2CwdK8RhVNOuDA=",
+        "owner": "PaulSchulz",
+        "repo": "sky130_pschulz_xx_hd",
+        "rev": "6eb3b0718552b034f1bf1870285ff135e3fb2dcb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "PaulSchulz",
+        "repo": "sky130_pschulz_xx_hd",
+        "type": "github"
+      }
+    },
+    "StefanSchippers_xschem_sky130": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1709198611,
+        "narHash": "sha256-/HhwFUQtun6XTGuglullWdDqwXp5LuZfo9LZll+uxTA=",
+        "owner": "StefanSchippers",
+        "repo": "xschem_sky130",
+        "rev": "7a60184f1ccb8d733dfbbb08793ae85a21804d3e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "StefanSchippers",
+        "repo": "xschem_sky130",
+        "type": "github"
+      }
+    },
+    "efabless_mpw_precheck": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1701877692,
+        "narHash": "sha256-qPN4ruExANz1rgnAMTuVSRVlOnovH9FZkPPenWYvw4Q=",
+        "owner": "efabless",
+        "repo": "mpw_precheck",
+        "rev": "f6b9c3d3f00694f96dce8444149449b4719180f0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "efabless",
+        "repo": "mpw_precheck",
+        "type": "github"
+      }
+    },
+    "efabless_sky130_klayout_pdk": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1693742232,
+        "narHash": "sha256-NuIVKcuKElOl9UPWd3tSXV3MF3E2DQFY23E6IcjfqGk=",
+        "owner": "efabless",
+        "repo": "sky130_klayout_pdk",
+        "rev": "c4b125f216edda5d755e429cfe876855ff300974",
+        "type": "github"
+      },
+      "original": {
+        "owner": "efabless",
+        "repo": "sky130_klayout_pdk",
+        "type": "github"
+      }
+    },
+    "efabless_skywater-pdk-libs-sky130_fd_io": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1701284474,
+        "narHash": "sha256-USPGTqpdllHvBS4amiU68h9i/hiYxLXoQZnMQVixySs=",
+        "owner": "efabless",
+        "repo": "skywater-pdk-libs-sky130_fd_io",
+        "rev": "979f0a09c39b12e195e5da872eeac62c9f49f8b1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "efabless",
+        "repo": "skywater-pdk-libs-sky130_fd_io",
+        "type": "github"
+      }
+    },
+    "efabless_skywater-pdk-libs-sky130_fd_pr": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1707674658,
+        "narHash": "sha256-sRzM12A2o6o9xsSkmxjPNCdksNl903ye85RTa3ngAhg=",
+        "owner": "efabless",
+        "repo": "skywater-pdk-libs-sky130_fd_pr",
+        "rev": "be000a2f9122310e60ac30d762a91aef18e24b48",
+        "type": "github"
+      },
+      "original": {
+        "owner": "efabless",
+        "repo": "skywater-pdk-libs-sky130_fd_pr",
+        "type": "github"
+      }
+    },
+    "efabless_skywater-pdk-libs-sky130_fd_sc_hd": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1707674799,
+        "narHash": "sha256-EoilITD3qQpF+kyXBlMzksX6PRHbgNcYhAKYs+bv7kg=",
+        "owner": "efabless",
+        "repo": "skywater-pdk-libs-sky130_fd_sc_hd",
+        "rev": "89492a051231edb799c330208ed48542eb6a29d7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "efabless",
+        "repo": "skywater-pdk-libs-sky130_fd_sc_hd",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1711523803,
+        "narHash": "sha256-UKcYiHWHQynzj6CN/vTcix4yd1eCu1uFdsuarupdCQQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "2726f127c15a4cc9810843b96cad73c7eb39e443",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "open_pdks": {
+      "inputs": {
+        "PaulSchulz_sky130_pschulz_xx_hd": "PaulSchulz_sky130_pschulz_xx_hd",
+        "StefanSchippers_xschem_sky130": "StefanSchippers_xschem_sky130",
+        "efabless_mpw_precheck": "efabless_mpw_precheck",
+        "efabless_sky130_klayout_pdk": "efabless_sky130_klayout_pdk",
+        "efabless_skywater-pdk-libs-sky130_fd_io": "efabless_skywater-pdk-libs-sky130_fd_io",
+        "efabless_skywater-pdk-libs-sky130_fd_pr": "efabless_skywater-pdk-libs-sky130_fd_pr",
+        "efabless_skywater-pdk-libs-sky130_fd_sc_hd": "efabless_skywater-pdk-libs-sky130_fd_sc_hd",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1710093759,
+        "narHash": "sha256-YYrUy1D8stZh9LbWPBR5BIfISJw4SMk3C7HrN/+POt8=",
+        "owner": "fpiper",
+        "repo": "open_pdks-flake",
+        "rev": "b6474d4eb1d814ec40ca5404e1af92406771ccd7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "fpiper",
+        "repo": "open_pdks-flake",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "open_pdks": "open_pdks"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
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
+				];
+			};
+		};
+}