1 files changed, 27 insertions, 8 deletions

diff --git a/flake.nix b/flake.nix
index ace0bf6..6a2215a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,20 +1,39 @@
 {
-  description = "Dev shell for kernel/build environment";
+  description = "Dev shell for Strix OS kernel development";
 
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
-  outputs = { self, nixpkgs }: 
+  outputs = { self, nixpkgs }:
     let
       system = "x86_64-linux";
       pkgs = import nixpkgs { inherit system; };
     in {
       devShells.${system}.default = pkgs.mkShell {
-	packages = with pkgs; [
-    rustup # Rust
-    qemu # VM 
-	];
-	
+        packages = with pkgs; [
+          # Rust toolchain (nightly specified by rust-toolchain file)
+          rustup
+
+          # QEMU for running kernel and integration tests
+          qemu
+
+          # cpio: required by build.rs to pack the initramfs archive
+          cpio
+
+          # busybox statically linked: placed in initramfs/ for the embedded rescue shell
+          busybox
+
+          # Debugging and inspection tools
+          gdb
+          binutils   # objdump, nm, readelf
+
+          # Disk image tools for testing ext2/ext4 (Phase 4+)
+          e2fsprogs  # mkfs.ext2, mkfs.ext4, debugfs
+        ];
+
+        # Ensure cargo uses the nightly toolchain from rust-toolchain
+        shellHook = ''
+          rustup show
+        '';
       };
     };
 }
-