49 lines
1.6 KiB
Nix
49 lines
1.6 KiB
Nix
# 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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}
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