forked from DGNum/liminix
4229b42d82
This is for QEMU where we won't have to provide a dtb because the device tree is built by the platform according the (emulated) hardware present. Maybe in future there will be other hardware devices where we don't need to provide a dtb.
39 lines
1 KiB
Nix
39 lines
1 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) mkIf mkEnableOption mkOption types concatStringsSep;
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cfg = config.boot.loader.extlinux;
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o = config.system.outputs;
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cmdline = concatStringsSep " " config.boot.commandLine;
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wantsDtb = config.hardware.dts ? src && config.hardware.dts.src != null;
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in {
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options.system.outputs.extlinux = mkOption {
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type = types.package;
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# description = "";
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};
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options.boot.loader.extlinux.enable = mkEnableOption "extlinux";
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config = { # mkIf cfg.enable {
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system.outputs.extlinux = pkgs.runCommand "extlinux" {} ''
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mkdir $out
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cd $out
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${if wantsDtb then "cp ${o.dtb} dtb" else "true"}
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cp ${o.initramfs} initramfs
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cp ${o.zimage} kernel
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mkdir extlinux
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cat > extlinux/extlinux.conf << _EOF
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menu title Liminix
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timeout 100
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label Liminix
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kernel /boot/kernel
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# initrd /boot/initramfs
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append ${cmdline} root=/dev/vda1
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${if wantsDtb then "fdt /boot/dtb" else ""}
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_EOF
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'';
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};
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}
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