31 lines
946 B
Nix
31 lines
946 B
Nix
{ lib, stdenv, linux-firmware, libarchive }:
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stdenv.mkDerivation {
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pname = "amd-ucode";
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version = linux-firmware.version;
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src = linux-firmware;
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sourceRoot = ".";
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buildInputs = [ libarchive ];
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buildPhase = ''
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mkdir -p kernel/x86/microcode
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find ${linux-firmware}/lib/firmware/amd-ucode -name \*.bin -print0 | sort -z |\
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xargs -0 -I{} sh -c 'cat {} >> kernel/x86/microcode/AuthenticAMD.bin'
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'';
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installPhase = ''
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mkdir -p $out
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touch -d @$SOURCE_DATE_EPOCH kernel/x86/microcode/AuthenticAMD.bin
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echo kernel/x86/microcode/AuthenticAMD.bin | bsdtar --uid 0 --gid 0 -cnf - -T - | bsdtar --null -cf - --format=newc @- > $out/amd-ucode.img
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'';
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meta = with lib; {
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description = "AMD Processor microcode patch";
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homepage = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git";
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license = licenses.unfreeRedistributableFirmware;
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platforms = platforms.linux;
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};
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}
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