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{ config, pkgs, lib, ... }:
{
config = lib.mkIf config.hardware.asahi.enable {
assertions = lib.mkIf config.hardware.asahi.extractPeripheralFirmware [
{ assertion = config.hardware.asahi.peripheralFirmwareDirectory != null;
message = ''
Asahi peripheral firmware extraction is enabled but the firmware
location appears incorrect.
'';
}
];
hardware.firmware = let
pkgs' = config.hardware.asahi.pkgs;
in
lib.mkIf ((config.hardware.asahi.peripheralFirmwareDirectory != null)
&& config.hardware.asahi.extractPeripheralFirmware) [
(pkgs.stdenv.mkDerivation {
name = "asahi-peripheral-firmware";
nativeBuildInputs = [ pkgs'.asahi-fwextract pkgs.cpio ];
buildCommand = ''
mkdir extracted
asahi-fwextract ${config.hardware.asahi.peripheralFirmwareDirectory} extracted
mkdir -p $out/lib/firmware
cat extracted/firmware.cpio | cpio -id --quiet --no-absolute-filenames
mv vendorfw/* $out/lib/firmware
'';
})
];
};
options.hardware.asahi = {
extractPeripheralFirmware = lib.mkOption {
type = lib.types.bool;
default = true;
description = ''
Automatically extract the non-free non-redistributable peripheral
firmware necessary for features like Wi-Fi.
'';
};
peripheralFirmwareDirectory = lib.mkOption {
type = lib.types.nullOr lib.types.path;
default = lib.findFirst (path: builtins.pathExists (path + "/all_firmware.tar.gz")) null
[
# path when the system is operating normally
/boot/asahi
# path when the system is mounted in the installer
/mnt/boot/asahi
];
description = ''
Path to the directory containing the non-free non-redistributable
peripheral firmware necessary for features like Wi-Fi. Ordinarily, this
will automatically point to the appropriate location on the ESP. Flake
users and those interested in maximum purity will want to copy those
files elsewhere and specify this manually.
Currently, this consists of the files `all-firmware.tar.gz` and
`kernelcache*`. The official Asahi Linux installer places these files
in the `asahi` directory of the EFI system partition when creating it.
'';
};
};
}
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