liminix-fork/default.nix
2022-10-05 21:52:30 +01:00

56 lines
1.9 KiB
Nix

{ device ? (import devices/gl-ar750.nix)
}:
let
overlay = import ./overlay.nix;
nixpkgs = import <nixpkgs> ( device.system // {overlays = [overlay]; });
inherit (nixpkgs.pkgs) callPackage writeText liminix;
config = (import ./merge-modules.nix) [
./modules/base.nix
({ lib, ... } : { config = { inherit (device) kernel; }; })
<liminix-config>
./modules/s6
./modules/users.nix
] nixpkgs.pkgs;
squashfs = liminix.builders.squashfs config.filesystem.contents;
kernel = callPackage ./kernel {
inherit (config.kernel) config checkedConfig;
};
outputs = rec {
inherit squashfs kernel;
dtb = kernel.dtb {
dts = "qca9531_glinet_gl-ar750.dts";
};
uimage = kernel.uimage {
commandLine = "earlyprintk=serial,ttyS0 console=ttyS0,115200 panic=10 oops=panic init=/bin/init loglevel=8 rootfstype=squashfs";
inherit (device.boot) loadAddress entryPoint;
inherit (kernel) vmlinux;
inherit dtb;
};
combined-image = nixpkgs.pkgs.runCommand "firmware.bin" {
nativeBuildInputs = [ nixpkgs.buildPackages.ubootTools ];
} ''
mkdir $out
dd if=${uimage} of=$out/firmware.bin bs=128k conv=sync
dd if=${squashfs} of=$out/firmware.bin bs=128k conv=sync,nocreat,notrunc oflag=append
'';
directory = nixpkgs.pkgs.runCommand "both-kinds" {} ''
mkdir $out
cd $out
ln -s ${squashfs} squashfs
ln -s ${kernel.vmlinux} vmlinux
'';
# this exists so that you can run "nix-store -q --tree" on it and find
# out what's in the image, which is nice if it's unexpectedly huge
manifest = writeText "manifest.json" (builtins.toJSON config.filesystem.contents);
tftpd = nixpkgs.pkgs.buildPackages.tufted;
};
in {
outputs = outputs // { default = outputs.${device.outputs.default}; };
# this is just here as a convenience, so that we can get a
# cross-compiling nix-shell for any package we're customizing
inherit (nixpkgs) pkgs;
}