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https://github.com/nix-community/raspberry-pi-nix.git
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* Add wip netboot image gen * rem firmware dir * additional logging * nixosConfigurations * config.fileSystems * rework rootfs output dir * nfs/boot/firmware * boot.initrd.network.enable = true; * nfsOptions * neededForBoot, supportedFilesystems
83 lines
2.5 KiB
Nix
83 lines
2.5 KiB
Nix
{ config, lib, pkgs, ... }:
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{
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imports = [ ./net-image.nix ];
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config = {
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boot.loader.grub.enable = false;
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boot.consoleLogLevel = lib.mkDefault 8;
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boot.kernelParams = [
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# Read-only root filesystem
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"ro"
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# NFS root filesystem location
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"nfsroot=${config.netImage.nfsRoot},v3"
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# Root filesystem device
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"root=/dev/nfs"
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# Wait for root filesystem
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"rootwait"
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# I/O scheduler
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"elevator=deadline"
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# Enable systemd debug shell
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"systemd.debug_shell=1"
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# Set systemd log level to debug
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"systemd.log_level=info"
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# Disable splash screen
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"disable_splash"
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# Early printk to serial console
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"earlyprintk=serial,ttyS0,115200"
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# Enable initcall debugging
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"initcall_debug"
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# Print timestamps in printk messages
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"printk.time=1"
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];
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netImage =
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let
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kernel-params = pkgs.writeTextFile {
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name = "cmdline.txt";
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text = ''
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${lib.strings.concatStringsSep " " config.boot.kernelParams}
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'';
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};
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cfg = config.raspberry-pi-nix;
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version = cfg.kernel-version;
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board = cfg.board;
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kernel = "${config.system.build.kernel}/${config.system.boot.loader.kernelFile}";
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initrd = "${config.system.build.initialRamdisk}/${config.system.boot.loader.initrdFile}";
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populate-kernel =
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if cfg.uboot.enable
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then ''
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cp ${cfg.uboot.package}/u-boot.bin ./u-boot-rpi-arm64.bin
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''
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else ''
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cp "${kernel}" ./kernel.img
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cp "${initrd}" ./initrd
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cp "${kernel-params}" ./cmdline.txt
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'';
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in
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{
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populateFirmwareCommands = ''
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${populate-kernel}
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cp -r ${pkgs.raspberrypifw}/share/raspberrypi/boot/{start*.elf,*.dtb,bootcode.bin,fixup*.dat,overlays} ./
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cp ${config.hardware.raspberry-pi.config-output} ./config.txt
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'';
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populateRootCommands =
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if cfg.uboot.enable
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then ''
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mkdir -p ./files/boot
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${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./files/boot
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''
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else ''
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mkdir -p ./files/sbin
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content="$(
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echo "#!${pkgs.bash}/bin/bash"
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echo "exec ${config.system.build.toplevel}/init"
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)"
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echo "$content" > ./files/sbin/init
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chmod 744 ./files/sbin/init
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'';
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};
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};
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}
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