{ device ? (import devices/gl-ar750.nix) , phram ? false }: let overlay = import ./overlay.nix; nixpkgs = import (device.system // {overlays = [overlay device.overlay]; }); inherit (nixpkgs) callPackage writeText liminix fetchFromGitHub; inherit (nixpkgs.lib) concatStringsSep; config = (import ./merge-modules.nix) [ ./modules/base.nix ({ lib, ... } : { config = { inherit (device) kernel; }; }) ./modules/s6 ./modules/users.nix (if phram then ./modules/phram.nix else (args: {})) ] nixpkgs; squashfs = liminix.builders.squashfs config.filesystem.contents; openwrt = fetchFromGitHub { name = "openwrt-source"; repo = "openwrt"; owner = "openwrt"; rev = "a5265497a4f6da158e95d6a450cb2cb6dc085cab"; hash = "sha256-YYi4gkpLjbOK7bM2MGQjAyEBuXJ9JNXoz/JEmYf8xE8="; }; outputs = rec { inherit squashfs; kernel = nixpkgs.kernel.override { inherit (config.kernel) config; }; dtb = (callPackage ./kernel/dtb.nix {}) { dts = "${openwrt}/target/linux/ath79/dts/qca9531_glinet_gl-ar750.dts"; includes = [ "${openwrt}/target/linux/ath79/dts" "${kernel.headers}/include" ]; }; uimage = (callPackage ./kernel/uimage.nix {}) { commandLine = concatStringsSep " " config.boot.commandLine; inherit (device.boot) loadAddress entryPoint; inherit kernel; inherit dtb; }; combined-image = nixpkgs.runCommand "firmware.bin" { nativeBuildInputs = [ nixpkgs.buildPackages.ubootTools ]; } '' mkdir $out dd if=${uimage} of=$out/firmware.bin bs=128k conv=sync dd if=${squashfs} of=$out/firmware.bin bs=128k conv=sync,nocreat,notrunc oflag=append ''; boot-scr = let inherit (nixpkgs.lib.trivial) toHexString; uimageStart = 10485760; # 0xa00000 squashfsStart = uimageStart + 4 * 1024 * 1024; squashfsSize = 8; cmd = "mtdparts=phram0:${toString squashfsSize}M(nix) phram.phram=phram0,0x${toHexString squashfsStart},${toString squashfsSize}Mi memmap=${toString squashfsSize}M\$0x${toHexString squashfsStart} root=1f00"; in nixpkgs.buildPackages.writeScript "firmware.bin" '' setenv serverip 192.168.8.148 setenv ipaddr 192.168.8.251 setenv bootargs '${concatStringsSep " " config.boot.commandLine} ${cmd}' tftp 0x8${toHexString uimageStart} result/uimage ; tftp 0x8${toHexString squashfsStart} result/squashfs bootm 0x${toHexString uimageStart} ''; directory = nixpkgs.runCommand "liminix" {} ('' mkdir $out cd $out ln -s ${squashfs} squashfs ln -s ${kernel} vmlinux ln -s ${manifest} manifest ln -s ${kernel.headers} build '' + (if device ? boot then '' ln -s ${uimage} uimage ${if phram then "ln -s ${boot-scr} boot.scr" else ""} ln -s ${boot-scr} flash.scr '' else "")); # this exists so that you can run "nix-store -q --tree" on it and find # out what's in the image, which is nice if it's unexpectedly huge manifest = writeText "manifest.json" (builtins.toJSON config.filesystem.contents); tftpd = nixpkgs.buildPackages.tufted; }; in { outputs = outputs // { default = outputs.${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; }