modules/hal/samsung: cleanup
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parent
56cd1f211c
commit
e104499636
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@ -54,33 +54,6 @@
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{ config, lib, pkgs, ... }:
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let
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cfg = config.sane.hal.samsung;
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# dtbs = "${config.system.build.kernel}/dtbs/exynos";
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# dtbs = "${config.system.build.kernel}/dtbs";
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# initrd = "${config.system.build.initialRamdisk}";
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# kernel_file = "${config.system.build.kernel}/zImage"; #< TODO: `zImage` is specific to the `stdenv` config
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# kernel-lzma = pkgs.runCommand "kernel-lzma" { nativeBuildInputs = [ pkgs.xz ]; } ''
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# lzma --threads 0 < ${kernel_file} > "$out"
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# '';
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# cmdlineText = lib.concatStringsSep " " (config.boot.kernelParams ++ [
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# "init=${config.system.build.toplevel}/init"
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# ]);
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# cmdlineFile = pkgs.writeTextFile {
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# name = "kernel-cmdline";
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# text = cmdlineText;
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# };
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u-boot = pkgs.buildUBoot {
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defconfig = "snow_defconfig";
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extraMeta.platforms = [ "armv7l-linux" ];
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filesToInstall = [
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"u-boot" #< ELF file
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"u-boot.bin" #< raw binary, load it into RAM and jump toit
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"u-boot.cfg" #< copy of Kconfig which this u-boot was compiled with
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"u-boot.dtb"
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"u-boot.map"
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"u-boot-nodtb.bin"
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"u-boot.sym"
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];
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};
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in
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{
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options = {
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@ -88,35 +61,8 @@ in
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};
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config = lib.mkIf cfg.enable {
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# we're limited to 8 MiB: omit the debugging utilities
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# boot.initrd.availableKernelModules = lib.mkForce [];
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boot.initrd.compressor = "gzip";
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# boot.initrd.compressorArgs = [ "--ultra" "-22" ];
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# boot.initrd.extraUtilsCommands = lib.mkForce ''
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# rm -f $out/bin/{ata_id,cdrom_id,dmsetup,fido_id,lvm,scsi_id,v4l_id}
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# '';
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# boot.initrd.supportedFilesystems = lib.mkForce [ "btrfs" ]; #< vfat should technically be optional?
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# boot.initrd.availableKernelModules = lib.mkForce [ ];
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# boot.initrd.extraUdevRulesCommands = lib.mkForce "";
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# boot.initrd.extraUtilsCommandsTest = lib.mkForce "";
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# boot.initrd.luks.cryptoModules = lib.mkForce [];
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# boot.initrd.services.udev.packages = lib.mkForce [];
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# boot.initrd.services.udev.rules = lib.mkForce "";
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# # boot.initrd.systemd.enable = true;
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# boot.initrd.systemd.enableTpm2 = false;
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# # # build systemd w/o efivarfs support, so it won't complain about that missing module
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# boot.initrd.systemd.package = pkgs.systemd.override { withEfi = false; };
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# boot.initrd.systemd.extraBin = lib.mkForce {};
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# boot.initrd.systemd.suppressedUnits = [
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# "ctrl-alt-del.target"
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# "debug-shell.service"
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# "emergency.service"
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# "emergency.target"
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# "rpcbind.target"
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# # "swap.target"
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# "systemd-fsck@.service"
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# "systemd-bsod.service"
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# ];
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boot.initrd.availableKernelModules = [
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# boot.initrd.kernelModules = [
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@ -130,7 +76,7 @@ in
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"uas"
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"sd-mod"
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];
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# TODO: mobile-nixos says these modules break udev, if builtin or run before udev:
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# N.B: mobile-nixos says these modules break udev, if builtin or run before udev:
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# "sbs-battery"
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# "sbs-charger"
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# "sbs-manager"
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@ -143,57 +89,19 @@ in
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# };
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# });
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# nixpkgs.overlays = [(self: super: {
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# # optimize for size, especially to get a initrd which fits within the platform size constraints
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# stdenv = super.withCFlags [ "-Os" ] super.stdenv;
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# libgcrypt = super.libgcrypt.overrideAttrs (base: {
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# postPatch = (base.postPatch or "") + ''
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# export NIX_CFLAGS_COMPILE=
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# '';
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# });
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# })];
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system.build.u-boot = u-boot;
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# system.build.kernel-its = pkgs.runCommand "kernel-its-samsung" {
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# nativeBuildInputs = with pkgs; [
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# dtc
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# ubootTools
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# vboot_reference
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# xz
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# ];
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# meta.description = ''
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# ITS file is Image Tree Source: <https://gibbard.me/linux_fit_images/>
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# DTS is to ITS
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# as DTB is to FIT.
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# '';
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# } ''
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# ln -s "${kernel-lzma}" kernel.lzma
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# ln -s "${dtbs}" dtbs
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# ln -s "${initrd}/initrd" initrd
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# bash "${./make-kernel-its}" "$PWD" > $out
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# '';
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# system.build.kernel-lzma = kernel-lzma;
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# system.build.kernel-uimg = pkgs.runCommand "kernel-uimg" {
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# nativeBuildInputs = with pkgs; [
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# dtc
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# ubootTools
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# ];
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# } ''
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# ln -s "${config.system.build.kernel-lzma}" kernel.lzma
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# ln -s "${dtbs}" dtbs
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# ln -s "${initrd}/initrd" initrd
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# ln -s "${config.system.build.kernel-its}" kernel.its
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# mkimage \
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# -D "-I dts -O dtb -p 2048" \
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# -f kernel.its \
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# $out
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# '';
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system.build.u-boot = pkgs.buildUBoot {
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defconfig = "snow_defconfig";
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extraMeta.platforms = [ "armv7l-linux" ];
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filesToInstall = [
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"u-boot" #< ELF file
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"u-boot.bin" #< raw binary, load it into RAM and jump toit
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"u-boot.cfg" #< copy of Kconfig which this u-boot was compiled with
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"u-boot.dtb"
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"u-boot.map"
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"u-boot-nodtb.bin"
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"u-boot.sym"
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];
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};
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system.build.platformPartition = pkgs.runCommandLocal "kernel-partition" {
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nativeBuildInputs = with pkgs; [
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@ -237,85 +145,9 @@ in
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--pack $out
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'';
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# system.build.platformPartition = pkgs.runCommandLocal "kernel-partition" {
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# nativeBuildInputs = with pkgs; [
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# dtc # for fdtget
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# python3Packages.depthcharge-tools
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# ubootTools # for mkimage
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# vboot_reference # for futility
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# ];
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# } ''
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# cp -R "${dtbs}" dtbs
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# cp ${u-boot}/u-boot .
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# depthchargectl build \
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# --verbose \
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# --vboot-keyblock ${pkgs.buildPackages.vboot_reference}/share/vboot/devkeys/kernel.keyblock \
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# --vboot-private-key ${pkgs.buildPackages.vboot_reference}/share/vboot/devkeys/kernel_data_key.vbprivk \
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# --root none \
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# --ignore-initramfs \
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# --board "snow" \
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# --kernel ./u-boot \
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# --fdtdir ./dtbs \
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# --output "$out"
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# '';
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# system.build.platformPartition = pkgs.runCommandLocal "kernel-partition" {
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# nativeBuildInputs = with pkgs; [
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# dtc # for fdtget
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# python3Packages.depthcharge-tools
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# ubootTools # for mkimage
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# vboot_reference # for futility
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# ];
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# # TODO: try --compress lz4 --compress lzma
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# } ''
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# # override default board settings (pray that the 8 MiB kpart limit isn't firmware enforced)
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# echo '[boards/arm/exynos5/daisy/snow]' > boardcfg
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# echo 'image-max-size = 16 MiB' >> boardcfg
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# cp "${kernel_file}" zImage
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# cp "${initrd}/initrd" initrd
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# cp -R "${dtbs}" dtbs
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# # --config ./boardcfg
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# # --no-kern-guid
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# depthchargectl build \
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# --verbose \
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# --vboot-keyblock ${pkgs.buildPackages.vboot_reference}/share/vboot/devkeys/kernel.keyblock \
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# --vboot-private-key ${pkgs.buildPackages.vboot_reference}/share/vboot/devkeys/kernel_data_key.vbprivk \
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# --root none \
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# --ignore-initramfs \
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# --board "snow" \
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# --kernel ./zImage \
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# --kernel-cmdline ${lib.escapeShellArg cmdlineText} \
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# --initramfs ./initrd \
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# --fdtdir ./dtbs \
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# --output "$out"
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# '';
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# ArchLinuxArm method:
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# system.build.platformPartition = pkgs.runCommandLocal "kernel-partition" {
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# nativeBuildInputs = with pkgs; [
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# vboot_reference
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# ];
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# } ''
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# # according to depthcharge-tools, bootloader.bin is legacy, was used by the earliest
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# # chromebooks (H2C) *only*.
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# dd if=/dev/zero of=bootloader.bin bs=512 count=1
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# futility \
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# --debug \
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# vbutil_kernel \
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# --version 1 \
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# --bootloader bootloader.bin \
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# --vmlinuz ${config.system.build.kernel-uimg} \
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# --arch arm7l \
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# --keyblock ${pkgs.buildPackages.vboot_reference}/share/vboot/devkeys/kernel.keyblock \
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# --signprivate ${pkgs.buildPackages.vboot_reference}/share/vboot/devkeys/kernel_data_key.vbprivk \
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# --config ${cmdlineFile} \
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# --pack $out
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# '';
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# nixos kernels + initrd can be hilariously large, so allocate a ton of space
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# the platform partition presently only holds u-boot,
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# and it seems possibly a limitation of depthcharge that it can't launch anything > 8 MiB (?)
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# still, give a little extra room so i'm free to rearrange stuff if i find a way how.
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sane.image.platformPartSize = 256 * 1024 * 1024;
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# depthcharge firmware is designed for an A/B partition style,
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@ -1,85 +0,0 @@
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#!/bin/sh
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# source: <https://github.com/thefloweringash/kevin-nix/blob/master/modules/make-kernel-its.sh>
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toplevel=$1
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cd $toplevel
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dtb_files=($(find -L dtbs -type f -name '*.dtb'))
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fdt_definition() {
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local idx=$1
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local filename=$2
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local basename=$(basename $filename)
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cat <<EOF
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fdt-${idx}{
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description = "${basename}";
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data = /incbin/("${filename}");
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type = "flat_dt";
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arch = "arm64";
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compression = "none";
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hash-1{
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algo = "sha1";
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};
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};
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EOF
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}
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fdt_reference() {
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local idx=$1
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cat <<EOF
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conf-${idx}{
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kernel = "kernel-1";
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fdt = "fdt-${idx}";
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ramdisk = "ramdisk-1";
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};
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EOF
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}
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cat <<EOF
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/dts-v1/;
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/ {
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description = "Chrome OS kernel image with one or more FDT blobs";
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images {
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kernel-1{
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description = "kernel";
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data = /incbin/("kernel.lzma");
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type = "kernel_noload";
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arch = "arm64";
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os = "linux";
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compression = "lzma";
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load = <0>;
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entry = <0>;
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};
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ramdisk-1 {
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description = "ramdisk";
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data = /incbin/("initrd");
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type = "ramdisk";
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arch = "arm64";
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os = "linux";
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compression = "none";
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hash-1 {
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algo = "sha1";
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};
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};
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EOF
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for index in "${!dtb_files[@]}"; do
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fdt_definition $index ${dtb_files[$index]}
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done
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cat <<EOF
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};
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configurations {
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default = "conf-0";
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EOF
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for index in "${!dtb_files[@]}"; do
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fdt_reference $index
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done
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cat <<EOF
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};
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};
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EOF
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@ -1,43 +0,0 @@
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/dts-v1/;
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/ {
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description = "U-Boot mainline";
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#address-cells = <1>;
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images {
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kernel {
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description = "U-Boot mainline ";
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type = "kernel_noload";
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arch = "arm";
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os = "linux";
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data = /incbin/("u-boot");
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compression = "none";
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load = <0>;
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entry = <0>;
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hash-2 {
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algo = "sha256";
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};
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};
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fdt-1{
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description = "u-boot.dtb";
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data = /incbin/("u-boot.dtb");
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type = "flat_dt";
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arch = "arm";
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compression = "none";
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hash-1{
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algo = "sha256";
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};
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};
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};
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configurations {
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default = "config-1";
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config-1 {
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description = "Boot U-Boot";
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kernel = "kernel";
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fdt = "fdt-1";
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};
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};
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};
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