ma arm-emulation: init

1 files changed, 25 insertions, 0 deletions

diff --git a/makefu/2configs/remote-build/arm-emulation.nix b/makefu/2configs/remote-build/arm-emulation.nix
new file mode 100644
index 000000000..dbef25222
--- /dev/null
+++ b/makefu/2configs/remote-build/arm-emulation.nix
@@ -0,0 +1,25 @@
+{ pkgs, ... }:
+let qemu-arm-static = pkgs.stdenv.mkDerivation {
+  name = "qemu-arm-static";
+  src = builtins.fetchurl {
+    url = "https://github.com/multiarch/qemu-user-static/releases/download/v6.1.0-8/qemu-arm-static";
+    sha256 = "06344d77d4f08b3e1b26ff440cb115179c63ca8047afb978602d7922a51231e3";
+  };
+  dontUnpack = true;
+  installPhase = "install -D -m 0755 $src $out/bin/qemu-arm-static";
+};
+in {
+  # Enable binfmt emulation of extra binary formats (armv7l-linux, for exmaple).
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+  boot.binfmt.registrations.arm = {
+    interpreter = "${qemu-arm-static}/bin/qemu-arm-static";
+    magicOrExtension = ''\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00'';
+    mask = ''\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\x00\xff\xfe\xff\xff\xff'';
+  };
+
+  # Define additional settings for nix.
+  nix.extraOptions = ''
+    extra-platforms = armv7l-linux
+  '';
+  nix.sandboxPaths = [ "/run/binfmt/arm=${qemu-arm-static}/bin/qemu-arm-static" ];
+}