diff --git a/pkgs/by-name/em/em100/package.nix b/pkgs/by-name/em/em100/package.nix
new file mode 100644
index 000000000000..d8721a7b82b1
--- /dev/null
+++ b/pkgs/by-name/em/em100/package.nix
@@ -0,0 +1,47 @@
+{
+  curl,
+  fetchgit,
+  lib,
+  libusb1,
+  pkg-config,
+  stdenv,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "em100";
+  version = "0-unstable-2024-11-14";
+
+  src = fetchgit {
+    url = "https://review.coreboot.org/em100";
+    # No git tags available. Use latest rev from the main branch.
+    rev = "a78b4ba4774f05ecd7af495604b437113596d70e";
+    hash = "sha256-jzP56SMMiWiOynW17CFksi1VhpGt4oYYJrf4Rp9Vfs4=";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [
+    curl
+    libusb1
+  ];
+
+  buildFlags = [
+    "em100"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm755 em100 $out/bin/em100
+    install -Dm644 60-dediprog-em100pro.rules $out/lib/udev/rules.d/dediprog_em100.rules
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://www.coreboot.org";
+    description = "Open source tool for the EM100 SPI flash emulator";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ felixsinger ];
+    platforms = platforms.linux;
+    mainProgram = "em100";
+  };
+}