55 lines
1.8 KiB
Nix
55 lines
1.8 KiB
Nix
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{ config, lib, pkgs, ... }:
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with lib;
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let
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blCfg = config.boot.loader;
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dtCfg = config.hardware.deviceTree;
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cfg = blCfg.hardkernel-uboot;
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timeoutStr = if blCfg.timeout == null then "-1" else toString blCfg.timeout;
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# The builder used to write during system activation
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builder = import ./boot-ini-builder.nix { inherit pkgs; };
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# The builder exposed in populateCmd, which runs on the build architecture
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populateBuilder = import ./boot-ini-builder.nix { pkgs = pkgs.buildPackages; };
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in
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{
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options = {
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boot.loader.hardkernel-uboot = {
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enable = mkOption {
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default = false;
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type = types.bool;
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description = ''
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Whether to generate an extlinux-compatible configuration file
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under <literal>/boot/extlinux.conf</literal>. For instance,
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U-Boot's generic distro boot support uses this file format.
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See <link xlink:href="http://git.denx.de/?p=u-boot.git;a=blob;f=doc/README.distro;hb=refs/heads/master">U-boot's documentation</link>
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for more information.
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'';
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};
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populateCmd = mkOption {
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type = types.str;
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readOnly = true;
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description = ''
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Contains the builder command used to populate an image,
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honoring all options except the <literal>-c <path-to-default-configuration></literal>
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argument.
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Useful to have for sdImage.populateRootCommands
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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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let
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builderArgs = "-t ${timeoutStr}" + lib.optionalString (dtCfg.name != null) " -n ${dtCfg.name}";
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in
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mkIf cfg.enable {
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system.build.installBootLoader = "${builder} ${builderArgs} -c";
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system.boot.loader.id = "hardkernel-uboot";
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boot.loader.hardkernel-uboot.populateCmd = "${populateBuilder} ${builderArgs}";
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};
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}
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