48 lines
1.2 KiB
Nix
48 lines
1.2 KiB
Nix
{
|
|
config
|
|
, pkgs
|
|
, lib
|
|
, ...
|
|
}:
|
|
let
|
|
inherit (lib) mkEnableOption mkIf;
|
|
inherit (pkgs) runCommand callPackage writeText;
|
|
in
|
|
{
|
|
options = {
|
|
boot.initramfs = {
|
|
enable = mkEnableOption "enable initramfs";
|
|
default = false;
|
|
};
|
|
};
|
|
config = mkIf config.boot.initramfs.enable {
|
|
kernel.config = {
|
|
BLK_DEV_INITRD = "y";
|
|
INITRAMFS_SOURCE = builtins.toJSON "${config.outputs.initramfs}";
|
|
# INITRAMFS_COMPRESSION_LZO = "y";
|
|
};
|
|
|
|
outputs = {
|
|
initramfs =
|
|
let inherit (pkgs.pkgsBuildBuild) gen_init_cpio;
|
|
in runCommand "initramfs.cpio" {} ''
|
|
cat << SPECIALS | ${gen_init_cpio}/bin/gen_init_cpio /dev/stdin > $out
|
|
dir /proc 0755 0 0
|
|
dir /dev 0755 0 0
|
|
nod /dev/console 0600 0 0 c 5 1
|
|
nod /dev/mtdblock0 0600 0 0 b 31 0
|
|
nod /dev/mtdblock1 0600 0 0 b 31 1
|
|
nod /dev/mtdblock2 0600 0 0 b 31 2
|
|
nod /dev/mtdblock3 0600 0 0 b 31 3
|
|
nod /dev/mtdblock4 0600 0 0 b 31 4
|
|
nod /dev/mtdblock5 0600 0 0 b 31 5
|
|
dir /target 0755 0 0
|
|
dir /target/persist 0755 0 0
|
|
dir /target/nix 0755 0 0
|
|
file /init ${pkgs.preinit}/bin/preinit 0755 0 0
|
|
SPECIALS
|
|
'';
|
|
};
|
|
};
|
|
}
|