2022-11-28 00:52:18 -05:00

63 lines
2.4 KiB
Nix

{ pkgs, _4KBuild ? false }: let
localPkgs =
# we do this so the config can be read on any system and not affect
# the output hash
if builtins ? currentSystem then import (pkgs.path) { system = builtins.currentSystem; }
else pkgs;
readConfig = configfile: import (localPkgs.runCommand "config.nix" {} ''
echo "{" > "$out"
while IFS='=' read key val; do
[ "x''${key#CONFIG_}" != "x$key" ] || continue
no_firstquote="''${val#\"}";
echo ' "'"$key"'" = "'"''${no_firstquote%\"}"'";' >> "$out"
done < "${configfile}"
echo "}" >> $out
'').outPath;
linux_asahi_pkg = { stdenv, lib, fetchFromGitHub, fetchpatch, linuxKernel, ... } @ args:
linuxKernel.manualConfig rec {
inherit stdenv lib;
version = "6.1.0-rc6-asahi";
modDirVersion = version;
src = fetchFromGitHub {
# tracking: https://github.com/AsahiLinux/PKGBUILDs/blob/stable/linux-asahi/PKGBUILD
owner = "AsahiLinux";
repo = "linux";
rev = "asahi-6.1-rc6-5";
hash = "sha256-HHPfAtNh5wR0TCsEYuMdSbp55p1IVhF07tg4dlfgXk0=";
};
kernelPatches = [
# sven says this is okay since our kernel config supports it, and that
# it will be fixed at some point to not be necessary. but this allows
# new kernels to get USB up with old device trees
{ name = "0001-drivers-usb-dwc3-remove-apple-dr_mode-check";
patch = ./0001-drivers-usb-dwc3-remove-apple-dr_mode-check.patch;
}
] ++ lib.optionals _4KBuild [
# thanks to Sven Peter
# https://lore.kernel.org/linux-iommu/20211019163737.46269-1-sven@svenpeter.dev/
{ name = "sven-iommu-4k";
patch = ./sven-iommu-4k.patch;
}
] ++ lib.optionals (!_4KBuild) [
# patch the kernel to set the default size to 16k instead of modifying
# the config so we don't need to convert our config to the nixos
# infrastructure or patch it and thus introduce a dependency on the host
# system architecture
{ name = "default-pagesize-16k";
patch = ./default-pagesize-16k.patch;
}
];
configfile = ./config;
config = readConfig configfile;
extraMeta.branch = "6.1";
} // (args.argsOverride or {});
linux_asahi = (pkgs.callPackage linux_asahi_pkg { });
in pkgs.recurseIntoAttrs (pkgs.linuxPackagesFor linux_asahi)