144 lines
3.9 KiB
Nix
144 lines
3.9 KiB
Nix
{
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config
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, pkgs
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, lib
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, ...
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}:
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let
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inherit (lib) mkOption types concatStringsSep;
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inherit (pkgs) liminix callPackage writeText;
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o = config.system.outputs;
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in
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{
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imports = [
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./squashfs.nix
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./outputs/vmroot.nix
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./outputs/extlinux.nix
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];
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options = {
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system.outputs = {
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# the convention here is to mark an output as "internal" if
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# it's not a complete system (kernel plus userland, or installer)
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# but only part of one.
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kernel = mkOption {
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type = types.package;
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internal = true;
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description = ''
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kernel
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******
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Kernel vmlinux file (usually ELF)
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'';
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};
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zimage = mkOption {
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type = types.package;
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internal = true;
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description = ''
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zimage
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******
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Kernel in compressed self-extracting package
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'';
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};
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dtb = mkOption {
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type = types.package;
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internal = true;
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description = ''
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dtb
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***
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Compiled device tree (FDT) for the target device
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'';
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};
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uimage = mkOption {
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type = types.package;
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internal = true;
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description = ''
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uimage
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******
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Combined kernel and FDT in uImage (U-Boot compatible) format
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'';
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};
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tplink-safeloader = mkOption {
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type = types.package;
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};
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u-boot = mkOption {
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type = types.package;
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};
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manifest = mkOption {
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type = types.package;
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internal = true;
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description = ''
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Debugging aid. JSON rendition of config.filesystem, on
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which can run "nix-store -q --tree" on it and find
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out what's in the image, which is nice if it's unexpectedly huge
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'';
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};
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rootdir = mkOption {
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type = types.package;
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internal = true;
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description = ''
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directory of files to package into root filesystem
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'';
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};
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bootablerootdir = mkOption {
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type = types.package;
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internal = true;
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description = ''
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directory of files to package into root filesystem, including
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a kernel and appropriate associated gubbins for the
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selected bootloader
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'';
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};
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rootfs = mkOption {
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type = types.package;
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internal = true;
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description = ''
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root filesystem (squashfs or jffs2) image
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'';
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};
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};
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};
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config = {
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system.outputs = rec {
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dtb = liminix.builders.dtb {
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inherit (config.boot) commandLine;
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dts = config.hardware.dts.src;
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includes = config.hardware.dts.includes ++ [
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"${o.kernel.headers}/include"
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];
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};
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uimage = liminix.builders.uimage {
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commandLine = concatStringsSep " " config.boot.commandLine;
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inherit (config.boot) commandLineDtbNode;
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inherit (config.hardware) loadAddress entryPoint alignment;
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inherit (config.boot) imageFormat;
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inherit (o) kernel dtb;
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};
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rootdir =
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let
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inherit (pkgs.pkgsBuildBuild) runCommand;
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in runCommand "mktree" { } ''
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mkdir -p $out/nix/store/ $out/secrets $out/boot
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cp ${o.systemConfiguration}/bin/activate $out/activate
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ln -s ${pkgs.s6-init-bin}/bin/init $out/init
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mkdir -p $out/nix/store
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for path in $(cat ${o.systemConfiguration}/etc/nix-store-paths) ; do
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(cd $out && cp -a $path .$path)
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done
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'';
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bootablerootdir =
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let inherit (pkgs.pkgsBuildBuild) runCommand;
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in runCommand "add-slash-boot" { } ''
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cp -a ${o.rootdir} $out
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${if config.boot.loader.extlinux.enable
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then "(cd $out && chmod -R +w . && rmdir boot && cp -a ${o.extlinux} boot)"
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else ""
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}
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'';
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manifest = writeText "manifest.json" (builtins.toJSON config.filesystem.contents);
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};
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};
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}
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