diff --git a/.gitmodules b/.gitmodules
index e18f0dc4c1..deb3cf099e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -34,3 +34,6 @@
 	url = ../intel-microcode.git
 	update = none
 	ignore = dirty
+[submodule "3rdparty/ffs"]
+	path = 3rdparty/ffs
+	url = ../ffs.git
diff --git a/3rdparty/ffs b/3rdparty/ffs
new file mode 160000
index 0000000000..3ec70fbc45
--- /dev/null
+++ b/3rdparty/ffs
@@ -0,0 +1 @@
+Subproject commit 3ec70fbc458e32eef0d0b1de79688b4dc48cbd57