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Add u-boot configuration attributes #274

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10 changes: 10 additions & 0 deletions apple-silicon-support/modules/boot-m1n1/default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ let

bootUBoot = pkgs'.uboot-asahi.override {
m1n1 = bootM1n1;
appendConfig = config.boot.ubootExtraConfig;
};

bootFiles = {
Expand Down Expand Up @@ -51,5 +52,14 @@ in {
Custom logo to build into m1n1. The path must point to a 256x256 PNG.
'';
};

ubootExtraConfig = lib.mkOption {
type = lib.types.str;
default = "";
description = ''
Append extra options to the u-boot build command. Useful for customizing
the u-boot binary for custom functionality.
'';
};
};
}
3 changes: 3 additions & 0 deletions apple-silicon-support/packages/uboot-asahi/default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
, fetchFromGitHub
, buildUBoot
, m1n1
, appendConfig ? ""
}:

(buildUBoot rec {
Expand All @@ -27,6 +28,8 @@
CONFIG_VIDEO_FONT_SUN12X22=n
CONFIG_VIDEO_FONT_16X32=y
CONFIG_CMD_BOOTMENU=y
${appendConfig}
'';
}).overrideAttrs (o: {
# nixos's downstream patches are not applicable
Expand Down