liminix/modules/outputs.nix

95 lines
2.4 KiB
Nix

{
config
, pkgs
, lib
, ...
}:
let
inherit (lib) mkOption types concatStringsSep;
inherit (pkgs) liminix callPackage writeText;
in
{
imports = [
./squashfs.nix
./outputs/vmroot.nix
./outputs/flashimage.nix
./outputs/ubimage.nix
];
options = {
system.outputs = {
# the convention here is to mark an output as "internal" if
# it's not a complete system (kernel plus userland, or installer)
# but only part of one.
kernel = mkOption {
type = types.package;
internal = true;
description = ''
kernel
******
Kernel vmlinux file (usually ELF)
'';
};
dtb = mkOption {
type = types.package;
internal = true;
description = ''
dtb
***
Compiled device tree (FDT) for the target device
'';
};
uimage = mkOption {
type = types.package;
internal = true;
description = ''
uimage
******
Combined kernel and FDT in uImage (U-Boot compatible) format
'';
};
manifest = mkOption {
type = types.package;
internal = true;
description = ''
Debugging aid. JSON rendition of config.filesystem, on
which can run "nix-store -q --tree" on it and find
out what's in the image, which is nice if it's unexpectedly huge
'';
};
rootfs = mkOption {
type = types.package;
internal = true;
description = ''
root filesystem (squashfs or jffs2) image
'';
};
};
};
config = {
system.outputs = rec {
# tftpd = pkgs.buildPackages.tufted;
kernel = liminix.builders.kernel.override {
inherit (config.kernel) config src extraPatchPhase;
};
dtb = liminix.builders.dtb {
inherit (config.boot) commandLine;
dts = config.hardware.dts.src;
includes = config.hardware.dts.includes ++ [
"${kernel.headers}/include"
];
};
uimage = liminix.builders.uimage {
commandLine = concatStringsSep " " config.boot.commandLine;
inherit (config.hardware) loadAddress entryPoint;
inherit (config.boot) imageFormat;
inherit kernel;
inherit dtb;
};
manifest = writeText "manifest.json" (builtins.toJSON config.filesystem.contents);
};
};
}