From aa5b45fc3eccd7dca111fab3a040d313bce44285 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 28 Jun 2012 19:54:24 +0200
Subject: [PATCH] amd-ucode: add AMD processor microcode patch version
 2012-01-17

Enable by adding "hardware.firmware = [ pkgs.amdUcode ];" to configuration.nix.
---
 .../linux/firmware/amd-ucode/default.nix      | 22 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 24 insertions(+)
 create mode 100644 pkgs/os-specific/linux/firmware/amd-ucode/default.nix

diff --git a/pkgs/os-specific/linux/firmware/amd-ucode/default.nix b/pkgs/os-specific/linux/firmware/amd-ucode/default.nix
new file mode 100644
index 000000000000..685b44a16512
--- /dev/null
+++ b/pkgs/os-specific/linux/firmware/amd-ucode/default.nix
@@ -0,0 +1,22 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+
+  name = "amd-ucode-2012-01-17";
+
+  src = fetchurl {
+    url = "http://www.amd64.org/pub/microcode/${name}.tar";
+    sha256 = "0mqnbs87khv6p874cbyf9nb8i4gc592ws67lyzhc4chmwvc9ln47";
+  };
+
+  installPhase = ''
+    mkdir -p $out/amd-ucode
+    mv microcode_amd_fam15h.bin microcode_amd.bin $out/amd-ucode/
+  '';
+
+  meta = {
+    description = "AMD Processor Microcode Patch";
+    homepage = "http://www.amd64.org/support/microcode.html";
+    license = "non-free";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 09705cfc9fe0..05ce9611eb7b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5320,6 +5320,8 @@ let
 
   afuse = callPackage ../os-specific/linux/afuse { };
 
+  amdUcode = callPackage ../os-specific/linux/firmware/amd-ucode { };
+
   autofs5 = callPackage ../os-specific/linux/autofs/autofs-v5.nix { };
 
   _915resolution = callPackage ../os-specific/linux/915resolution { };