mio-ops/hardware/odroid-hc4/modules/sd-image/default.nix

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2021-10-20 06:22:09 +00:00
{ pkgs, lib, config, modulesPath, ... }:
{
imports = [
"${modulesPath}/installer/sd-card/sd-image.nix"
# should we include this module or should we treat the SD
# card as the final system to run?
"${modulesPath}/profiles/installation-device.nix"
../odroidhc4
];
security.polkit.enable = false;
nixpkgs.overlays = [
(final: prev: {
smartmontools = prev.smartmontools.override { enableMail = false; };
})
];
# Remove zfs from supported filesystems as it fails when cross-compiling due
# to not being able to build kernel module
boot.supportedFilesystems = lib.mkForce [ "btrfs" "reiserfs" "vfat" "f2fs" "xfs" "ntfs" "cifs" ];
sdImage = {
compressImage = false;
# Use 512 MB for boot partition to fit multiple kernel versions
firmwareSize = 512;
# Copy u-boot bootloader to SD card
postBuildCommands = ''
dd if="${pkgs.uboot-hardkernel}" of="$img" conv=fsync,notrunc bs=512 skip=1 seek=1
dd if="${pkgs.uboot-hardkernel}" of="$img" conv=fsync,notrunc bs=1 count=444
'';
# Fill the FIRMWARE partition with the u-boot files, linux kernel and initrd (ramdisk)
populateFirmwareCommands = ''
${config.boot.loader.hardkernel-uboot.populateCmd} -c ${config.system.build.toplevel} -d ./firmware
'';
# Fill the root partition with this nix configuration in /etc/nixos
# and create a mount point for the FIRMWARE partition at /boot
populateRootCommands = ''
mkdir -p ./files/boot ./files/etc/nixos
cp ${../../configuration.nix} ./files/etc/nixos/configuration.nix
cp -r ${../.} ./files/etc/nixos/modules
'';
};
}