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{ lib
, fetchFromGitHub
, buildUBoot
, m1n1
}:
(buildUBoot rec {
src = fetchFromGitHub {
# tracking: https://github.com/AsahiLinux/PKGBUILDs/blob/main/uboot-asahi/PKGBUILD
owner = "AsahiLinux";
repo = "u-boot";
rev = "asahi-v2023.07.02-3";
hash = "sha256-a7iNawyq7K6jhiVzu5x8mllF3olTP+jQRXGGSsoKINI=";
};
version = "2023.07.02.asahi3-1";
defconfig = "apple_m1_defconfig";
extraMeta.platforms = [ "aarch64-linux" ];
filesToInstall = [
"u-boot-nodtb.bin.gz"
"m1n1-u-boot.bin"
];
extraConfig = ''
CONFIG_IDENT_STRING=" ${version}"
CONFIG_VIDEO_FONT_4X6=n
CONFIG_VIDEO_FONT_8X16=n
CONFIG_VIDEO_FONT_SUN12X22=n
CONFIG_VIDEO_FONT_16X32=y
'';
}).overrideAttrs (o: {
# nixos's downstream patches are not applicable
patches = [
];
# flag somehow breaks DTC compilation so we remove it
makeFlags = builtins.filter (s: s != "DTC=dtc") o.makeFlags;
preInstall = ''
# compress so that m1n1 knows U-Boot's size and can find things after it
gzip -n u-boot-nodtb.bin
cat ${m1n1}/build/m1n1.bin arch/arm/dts/t[68]*.dtb u-boot-nodtb.bin.gz > m1n1-u-boot.bin
'';
})
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