92 lines
2.4 KiB
Nix
92 lines
2.4 KiB
Nix
{
|
|
config
|
|
, pkgs
|
|
, lib
|
|
, ...
|
|
}:
|
|
let
|
|
inherit (lib) mkOption types concatStringsSep;
|
|
inherit (pkgs) liminix callPackage writeText;
|
|
in
|
|
{
|
|
imports = [
|
|
./squashfs.nix
|
|
];
|
|
options = {
|
|
system.outputs = {
|
|
kernel = mkOption {
|
|
type = types.package;
|
|
description = ''
|
|
Kernel vmlinux file (usually ELF)
|
|
'';
|
|
};
|
|
dtb = mkOption {
|
|
type = types.package;
|
|
description = ''
|
|
Compiled device tree (FDT) for the target device
|
|
'';
|
|
};
|
|
uimage = mkOption {
|
|
type = types.package;
|
|
description = ''
|
|
Combined kernel and FDT in uImage (U-Boot compatible) format
|
|
'';
|
|
};
|
|
vmroot = mkOption {
|
|
type = types.package;
|
|
description = ''
|
|
Directory containing separate kernel and rootfs image for
|
|
use with qemu (see mips-vm)
|
|
'';
|
|
};
|
|
manifest = mkOption {
|
|
type = types.package;
|
|
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;
|
|
description = ''
|
|
root filesystem (squashfs or jffs2) image
|
|
'';
|
|
internal = true;
|
|
};
|
|
};
|
|
};
|
|
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 kernel;
|
|
inherit dtb;
|
|
};
|
|
# could use trivial-builders.linkFarmFromDrvs here?
|
|
vmroot = pkgs.runCommand "qemu" {} ''
|
|
mkdir $out
|
|
cd $out
|
|
ln -s ${config.system.outputs.rootfs} rootfs
|
|
ln -s ${kernel} vmlinux
|
|
ln -s ${manifest} manifest
|
|
ln -s ${kernel.headers} build
|
|
'';
|
|
|
|
manifest = writeText "manifest.json" (builtins.toJSON config.filesystem.contents);
|
|
};
|
|
};
|
|
}
|