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intel-ucode: Generate an early loadable microcode image

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This commit is contained in:
William A. Kennington III 2015-03-25 11:39:58 -07:00
parent 0d186a88a5
commit 8baaff95e6
1 changed files with 15 additions and 12 deletions
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27
pkgs/os-specific/linux/microcode/intel.nix
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@ -1,31 +1,34 @@
{ stdenv, fetchurl, microcode2ucode }: { stdenv, fetchurl, libarchive }:
let version = "20140624"; in stdenv.mkDerivation rec {
stdenv.mkDerivation {
name = "microcode-intel-${version}"; name = "microcode-intel-${version}";
version = "20150121";
src = fetchurl { src = fetchurl {
url = "http://downloadmirror.intel.com/23984/eng/microcode-${version}.tgz"; url = "http://downloadmirror.intel.com/24661/eng/microcode-${version}.tgz";
sha256 = "0dza0bdlx7q88yhnynvfgkrhgf7ycrq6mlp6hwnpp2j3h33jlrml"; sha256 = "1cznv3f25cxkwxdc930ab0ifvq0c76fryppadi4p26a2pf9knd93";
}; };
buildInputs = [ microcode2ucode ]; buildInputs = [ libarchive ];
sourceRoot = "."; sourceRoot = ".";
buildPhase = '' buildPhase = ''
intel-microcode2ucode microcode.dat gcc -O2 -Wall -o intel-microcode2ucode ${./intel-microcode2ucode.c}
./intel-microcode2ucode microcode.dat
''; '';
installPhase = '' installPhase = ''
mkdir -p $out/lib/firmware mkdir -p $out kernel/x86/microcode
cp -r intel-ucode "$out/lib/firmware/" mv microcode.bin kernel/x86/microcode/GenuineIntel.bin
echo kernel/x86/microcode/GenuineIntel.bin | bsdcpio -o -H newc -R 0:0 > $out/intel-ucode.img
''; '';
meta = { meta = with stdenv.lib; {
homepage = http://www.intel.com/; homepage = http://www.intel.com/;
description = "Microcode for Intel processors"; description = "Microcode for Intel processors";
license = stdenv.lib.licenses.unfree; license = licenses.unfree;
maintainers = with maintainers; [ wkennington ];
platforms = platforms.linux;
}; };
} }