pcimem: init at unstable-2018-08-29

This commit adds the pcimem tool.
pcimem is a simple method of reading and writing to memory registers on a PCI card.
Compared to pkgs.devmem2, it does not work on the total memory space
of the machine but restricts access to just one PCI resource.

1 files changed, 30 insertions, 0 deletions

diff --git a/pkgs/os-specific/linux/pcimem/default.nix b/pkgs/os-specific/linux/pcimem/default.nix
new file mode 100644
index 00000000000..b559bd98b9c
--- /dev/null
+++ b/pkgs/os-specific/linux/pcimem/default.nix
@@ -0,0 +1,30 @@
+{ stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "pcimem";
+  version = "unstable-2018-08-29";
+
+  src = fetchFromGitHub {
+    owner = "billfarrow";
+    repo = pname;
+    rev = "09724edb1783a98da2b7ae53c5aaa87493aabc9b";
+    sha256 = "0zlbvcl5q4hgna11p3w00px1p8qgn8ga79lh6a2m7d597g86kbq3";
+  };
+
+  outputs = [ "out" "doc" ];
+
+  makeFlags = [ "CFLAGS=-Wno-maybe-uninitialized" ];
+
+  installPhase = ''
+    install -D pcimem "$out/bin/pcimem"
+    install -D README "$doc/doc/README"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Simple method of reading and writing to memory registers on a PCI card";
+    homepage = "https://github.com/billfarrow/pcimem";
+    license = licenses.gpl2Only;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ mafo ];
+  };
+}