tjh.dev
1{ stdenv, fetchurl, libarchive }:
2
3stdenv.mkDerivation rec {
4 name = "microcode-intel-${version}";
5 version = "20161104";
6
7 src = fetchurl {
8 url = "http://downloadmirror.intel.com/26400/eng/microcode-${version}.tgz";
9 sha256 = "1lg3bvznvwcxf66k038c57brkcxfva8crpnzj5idmczr5yk4q5bh";
10 };
11
12 buildInputs = [ libarchive ];
13
14 sourceRoot = ".";
15
16 buildPhase = ''
17 gcc -O2 -Wall -o intel-microcode2ucode ${./intel-microcode2ucode.c}
18 ./intel-microcode2ucode microcode.dat
19 '';
20
21 installPhase = ''
22 mkdir -p $out kernel/x86/microcode
23 mv microcode.bin kernel/x86/microcode/GenuineIntel.bin
24 echo kernel/x86/microcode/GenuineIntel.bin | bsdcpio -o -H newc -R 0:0 > $out/intel-ucode.img
25 '';
26
27 meta = with stdenv.lib; {
28 homepage = http://www.intel.com/;
29 description = "Microcode for Intel processors";
30 license = licenses.unfreeRedistributableFirmware;
31 maintainers = with maintainers; [ wkennington ];
32 platforms = platforms.linux;
33 };
34}