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