From 49466be320a4a791d4c448656965fc139f1fb66f Mon Sep 17 00:00:00 2001
From: AndersonTorres <torres.anderson.85@protonmail.com>
Date: Tue, 2 Nov 2021 22:17:59 -0300
Subject: [PATCH] msr: init at 20060208

---
 .../linux/msr/000-include-sysmacros.patch     | 11 +++++
 pkgs/os-specific/linux/msr/default.nix        | 40 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 +
 3 files changed, 53 insertions(+)
 create mode 100644 pkgs/os-specific/linux/msr/000-include-sysmacros.patch
 create mode 100644 pkgs/os-specific/linux/msr/default.nix

diff --git a/pkgs/os-specific/linux/msr/000-include-sysmacros.patch b/pkgs/os-specific/linux/msr/000-include-sysmacros.patch
new file mode 100644
index 000000000000..5fa96cd14699
--- /dev/null
+++ b/pkgs/os-specific/linux/msr/000-include-sysmacros.patch
@@ -0,0 +1,11 @@
+diff -Naur msr-old/msr.c msr-20060208/msr.c
+--- msr-old/msr.c	1969-12-31 21:00:01.000000000 -0300
++++ msr-20060208/msr.c	2021-11-02 21:19:34.576722617 -0300
+@@ -19,6 +19,7 @@
+ #include <stdio.h>
+ #include <sys/types.h>
+ #include <sys/stat.h>
++#include <sys/sysmacros.h>
+ #include <fcntl.h>
+ #include <errno.h>
+ #include <unistd.h>
diff --git a/pkgs/os-specific/linux/msr/default.nix b/pkgs/os-specific/linux/msr/default.nix
new file mode 100644
index 000000000000..0ffc46012096
--- /dev/null
+++ b/pkgs/os-specific/linux/msr/default.nix
@@ -0,0 +1,40 @@
+{ lib
+, stdenv
+, fetchzip
+, installShellFiles
+}:
+
+stdenv.mkDerivation rec {
+  pname = "msr";
+  version = "20060208";
+
+  src = fetchzip {
+    name = "${pname}-${version}";
+    url = "http://www.etallen.com/msr/${pname}-${version}.src.tar.gz";
+    hash = "sha256-e01qYWbOALkXp5NpexuVodMxA3EBySejJ6ZBpZjyT+E=";
+  };
+
+  nativeBuildInputs = [
+    installShellFiles
+  ];
+
+  patches = [
+    ./000-include-sysmacros.patch
+  ];
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin/
+    cp msr $out/bin/
+    installManPage msr.man
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "http://www.etallen.com/msr.html";
+    description = "Linux tool to display or modify x86 model-specific registers (MSRs)";
+    license = licenses.bsd0;
+    maintainers = with maintainers; [ AndersonTorres ];
+    platforms = [ "i686-linux" "x86_64-linux" ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 657202c64a7b..5b3cf13146b3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1577,6 +1577,8 @@ with pkgs;
 
   cpuid = callPackage ../os-specific/linux/cpuid { };
 
+  msr = callPackage ../os-specific/linux/msr { };
+
   ctrtool = callPackage ../tools/archivers/ctrtool { };
 
   crowbar = callPackage ../tools/security/crowbar { };