commit b65d2ea436f2381cda4825cc8fe98851af05bb0c · pyrox.dev/nixpkgs

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nixos/modules/installer/sd-card/sd-image-powerpc64le.nix
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       # To build, use:

     

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       # nix-build nixos -I nixos-config=nixos/modules/installer/sd-card/sd-image-powerpc64le.nix -A config.system.build.sdImage

     

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       { config, lib, pkgs, ... }:

     

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       {

     

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         imports = [

     

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           ../../profiles/base.nix

     

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           ../../profiles/installation-device.nix

     

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           ./sd-image.nix

     

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         ];

     

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         boot.loader = {

     

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           # powerpc64le-linux typically uses petitboot

     

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           grub.enable = false;

     

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           generic-extlinux-compatible = {

     

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             # petitboot is not does not support all of the extlinux extensions to

     

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             # syslinux, but its parser is very forgiving; it essentially ignores

     

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             # whatever it doesn't understand.  See below for a filename adjustment.

     

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             enable = true;

     

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           };

     

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         };

     

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         boot.consoleLogLevel = lib.mkDefault 7;

     

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         boot.kernelParams = [ "console=hvc0" ];

     

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         sdImage = {

     

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           populateFirmwareCommands = "";

     

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           populateRootCommands = ''

     

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             mkdir -p ./files/boot

     

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             ${config.boot.loader.generic-extlinux-compatible.populateCmd} \

     

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               -c ${config.system.build.toplevel} \

     

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               -d ./files/boot

     

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           ''

     

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           # https://github.com/open-power/petitboot/blob/master/discover/syslinux-parser.c

     

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           # petitboot will look in these paths (plus all-caps versions of them):

     

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           #  /boot/syslinux/syslinux.cfg

     

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           #  /syslinux/syslinux.cfg

     

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           #  /syslinux.cfg

     

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           + ''

     

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             mv ./files/boot/extlinux ./files/boot/syslinux

     

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             mv ./files/boot/syslinux/extlinux.conf ./files/boot/syslinux/syslinux.cfg

     

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           ''

     

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           # petitboot does not support relative paths for LINUX or INITRD; it prepends

     

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           # a `/` when parsing these fields

     

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           + ''

     

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             sed -i 's_^\(\W\W*\(INITRD\|initrd\|LINUX\|linux\)\W\)\.\./_\1/boot/_' ./files/boot/syslinux/syslinux.cfg

     

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           '';

     

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         };

     

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       }