From b6474d4eb1d814ec40ca5404e1af92406771ccd7 Mon Sep 17 00:00:00 2001
From: fpi
Date: Fri, 1 Mar 2024 14:57:32 +0100
Subject: Initial flake

---
 flake.nix | 100 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 flake.nix

(limited to 'flake.nix')

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..97a27f8
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,100 @@
+{
+  description = "Open pdks";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+
+		# download.sh https://github.com/efabless/skywater-pdk-libs-sky130_fd_pr /build/open_pdks-1.0.470/sources/sky130_fd_pr
+		efabless_skywater-pdk-libs-sky130_fd_pr = {
+			url = "github:efabless/skywater-pdk-libs-sky130_fd_pr";
+			flake = false;
+		};
+		# download.sh https://github.com/efabless/skywater-pdk-libs-sky130_fd_io ../sources/sky130_fd_io
+		efabless_skywater-pdk-libs-sky130_fd_io = {
+			url = "github:efabless/skywater-pdk-libs-sky130_fd_io";
+			flake = false;
+		};
+		# download.sh https://github.com/efabless/skywater-pdk-libs-sky130_fd_sc_hd /build/open_pdks-1.0.470/sources/sky130_fd_sc_hd
+		efabless_skywater-pdk-libs-sky130_fd_sc_hd = {
+			url = "github:efabless/skywater-pdk-libs-sky130_fd_sc_hd";
+			flake = false;
+		};
+		# download.sh https://github.com/PaulSchulz/sky130_pschulz_xx_hd ../sources/sky130_ml_xx_hd
+		PaulSchulz_sky130_pschulz_xx_hd = {
+			url = "github:PaulSchulz/sky130_pschulz_xx_hd";
+			flake = false;
+		};
+		# download.sh https://github.com/StefanSchippers/xschem_sky130 ../sources/xschem_sky130
+		StefanSchippers_xschem_sky130 = {
+			url = "github:StefanSchippers/xschem_sky130";
+			flake = false;
+		};
+		# download.sh https://github.com/efabless/sky130_klayout_pdk ../sources/klayout_sky130
+		efabless_sky130_klayout_pdk = {
+			url = "github:efabless/sky130_klayout_pdk";
+			flake = false;
+		};
+		# download.sh https://github.com/efabless/mpw_precheck ../sources/precheck_sky130
+		efabless_mpw_precheck = {
+			url = "github:efabless/mpw_precheck";
+			flake = false;
+		};
+		
+  };
+
+  outputs = { self, nixpkgs, efabless_skywater-pdk-libs-sky130_fd_pr, efabless_skywater-pdk-libs-sky130_fd_io, efabless_skywater-pdk-libs-sky130_fd_sc_hd, PaulSchulz_sky130_pschulz_xx_hd, StefanSchippers_xschem_sky130, efabless_sky130_klayout_pdk, efabless_mpw_precheck }: {
+
+    packages.x86_64-linux.open_pdks =
+		  let pkgs = import nixpkgs {
+						system = "x86_64-linux";
+					};
+		  in pkgs.stdenv.mkDerivation rec {
+				pname = "open_pdks";
+				version = "1.0.470";
+				src = pkgs.fetchurl {
+					url = "http://opencircuitdesign.com/open_pdks/archive/open_pdks-${version}.tgz";
+					sha256 = "sha256-Q8Tiy5569XWTpme9V234CrJjaJ3SpgaEDSdjkJOafHk=";
+				};
+				# nativeBuildInputs = [pkgs.breakpointHook];
+				nativeBuildInputs = [ pkgs.python3 pkgs.magic-vlsi pkgs.git ];
+
+				enableParallelBuildung = true;
+
+				git_efabless_skywater_pdk_libs_sky130_fd_pr = efabless_skywater-pdk-libs-sky130_fd_pr;
+				git_efabless_skywater_pdk_libs_sky130_fd_io = efabless_skywater-pdk-libs-sky130_fd_io;
+				git_efabless_skywater_pdk_libs_sky130_fd_sc_hd = efabless_skywater-pdk-libs-sky130_fd_sc_hd;
+				git_PaulSchulz_sky130_pschulz_xx_hd = PaulSchulz_sky130_pschulz_xx_hd;
+				git_StefanSchippers_xschem_sky130 = StefanSchippers_xschem_sky130;
+				git_efabless_sky130_klayout_pdk = efabless_sky130_klayout_pdk;
+				git_efabless_mpw_precheck = efabless_mpw_precheck;
+
+				configureFlags = [
+					"--prefix=\${out}"
+					"--datarootdir=\${out}"
+					"--enable-sky130-pdk"
+					"--enable-primitive-sky130"
+					"--disable-sc-hs-sky130"
+					"--disable-sc-ms-sky130"
+					"--disable-sc-ls-sky130"
+					"--disable-sc-lp-sky130"
+					"--enable-sc-hd-sky130"
+					"--disable-sc-hdll-sky130"
+					"--disable-sc-hvl-sky130"
+					"--disable-gf180mcu-pdk"
+				];
+
+				postPatch = ''
+					patchShebangs scripts/*
+					patchShebangs common/*
+					patchShebangs sky130/custom/*
+				'';
+				patches = [
+					./download.sh.patch
+				];
+
+			};
+
+    packages.x86_64-linux.default = self.packages.x86_64-linux.open_pdks;
+
+  };
+}
-- 
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