stockholm/makefu/2configs/remote-build/arm-emulation.nix

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2022-09-23 22:35:17 +00:00
{ 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" ];
}