2e50368bd2
New rules: everything under "config" that isn't actually configuration (e.g. build products) will in future live in config.system. This is the first step.
54 lines
1.5 KiB
Nix
54 lines
1.5 KiB
Nix
{
|
|
config
|
|
, pkgs
|
|
, lib
|
|
, ...
|
|
}:
|
|
let
|
|
inherit (lib) mkIf mkOption types;
|
|
in
|
|
{
|
|
imports = [
|
|
./initramfs.nix
|
|
];
|
|
options.system.outputs = {
|
|
systemConfiguration = mkOption {
|
|
type = types.package;
|
|
description = ''
|
|
pkgs.systemconfig for the configured filesystem,
|
|
contains 'activate' and 'init' commands
|
|
'';
|
|
internal = true;
|
|
};
|
|
};
|
|
|
|
config = mkIf (config.rootfsType == "jffs2") {
|
|
kernel.config = {
|
|
JFFS2_FS = "y";
|
|
JFFS2_LZO = "y";
|
|
JFFS2_RTIME = "y";
|
|
JFFS2_COMPRESSION_OPTIONS = "y";
|
|
JFFS2_ZLIB = "y";
|
|
JFFS2_CMODE_SIZE = "y";
|
|
};
|
|
boot.initramfs.enable = true;
|
|
system.outputs = rec {
|
|
systemConfiguration =
|
|
pkgs.systemconfig config.filesystem.contents;
|
|
rootfs =
|
|
let
|
|
inherit (pkgs.pkgsBuildBuild) runCommand mtdutils;
|
|
endian = if pkgs.stdenv.isBigEndian
|
|
then "--big-endian" else "--little-endian";
|
|
in runCommand "make-jffs2" {
|
|
depsBuildBuild = [ mtdutils ];
|
|
} ''
|
|
mkdir -p $TMPDIR/empty/nix/store/ $TMPDIR/empty/secrets
|
|
cp ${systemConfiguration}/bin/activate $TMPDIR/empty/activate
|
|
ln -s ${pkgs.s6-init-bin}/bin/init $TMPDIR/empty/init
|
|
grafts=$(sed < ${systemConfiguration}/etc/nix-store-paths 's/^\(.*\)$/--graft \1:\1/g')
|
|
mkfs.jffs2 --compression-mode=size ${endian} -e ${config.hardware.flash.eraseBlockSize} --enable-compressor=lzo --pad --root $TMPDIR/empty --output $out $grafts --squash --faketime
|
|
'';
|
|
};
|
|
};
|
|
}
|