From 1606d1923208d95cce19e12ee441206b13289ed5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Sun, 12 Jun 2022 12:01:56 +0200
Subject: develop: add nuttx

---
 develop/default.nix | 15 +++++++++++++--
 develop/nuttx.nix   | 23 +++++++++++++++++++++++
 2 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 develop/nuttx.nix

diff --git a/develop/default.nix b/develop/default.nix
index 5f880dc..421250f 100644
--- a/develop/default.nix
+++ b/develop/default.nix
@@ -1,5 +1,16 @@
-{ nixpkgs, shellrc, system }: {
+{ nixpkgs, shellrc, system }:
+let
 
-  riscv = import ./riscv.nix { inherit nixpkgs; inherit shellrc; inherit system; };
+  callDevelop = file: import file {
+    inherit nixpkgs;
+    inherit shellrc;
+    inherit system;
+  };
+
+in {
+
+  armv6 = callDevelop ./nuttx.nix "armv6-m";
+  armv7e = callDevelop ./nuttx.nix "armv7e-m";
+  riscv = callDevelop ./riscv.nix;
 
 }
diff --git a/develop/nuttx.nix b/develop/nuttx.nix
new file mode 100644
index 0000000..3066997
--- /dev/null
+++ b/develop/nuttx.nix
@@ -0,0 +1,23 @@
+{ nixpkgs, shellrc, system }: arch:
+let
+  pkgs = nixpkgs.legacyPackages.${system};
+  pkgs-riscv = import nixpkgs.outPath {
+    localSystem = system;
+    crossSystem = {
+      config = "arm-none-eabi";
+      libc = "newlib";
+      gcc = {
+        arch = arch;
+      };
+    };
+  };
+
+in pkgs.mkShell {
+  packages = (with pkgs; [
+    kconfig-frontends
+  ]) ++ (with pkgs-riscv.buildPackages; [
+    gcc gdb
+  ]);
+  inputsFrom = [ shellrc.packages.${system}.default ];
+  meta.platforms = nixpkgs.lib.platforms.linux;
+}
-- 
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