diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..5ac2bed2
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,15 @@
+[submodule "packages/base/any/initrds/buildroot/builds/buildroot-mirror"]
+	path = packages/base/any/initrds/buildroot/builds/buildroot-mirror
+	url = git://github.com/opennetworklinux/buildroot-mirror
+[submodule "packages/base/any/kernels/legacy/linux-3.9.6"]
+	path = packages/base/any/kernels/legacy/linux-3.9.6
+	url = git://github.com/opennetworklinux/linux-3.9.6
+[submodule "sm/infra"]
+	path = sm/infra
+	url = git://github.com/floodlight/infra
+[submodule "sm/bigcode"]
+	path = sm/bigcode
+	url = git://github.com/floodlight/bigcode
+[submodule "packages/base/any/kernels/legacy/linux-3.8.13"]
+	path = packages/base/any/kernels/legacy/linux-3.8.13
+	url = git://github.com/opennetworklinux/linux-3.8.13
diff --git a/packages/base/any/initrds/buildroot/builds/buildroot-mirror b/packages/base/any/initrds/buildroot/builds/buildroot-mirror
new file mode 160000
index 00000000..5e1a5c1e
--- /dev/null
+++ b/packages/base/any/initrds/buildroot/builds/buildroot-mirror
@@ -0,0 +1 @@
+Subproject commit 5e1a5c1ef7bac890845920809147ee2070dc96ea
diff --git a/packages/base/any/kernels/legacy/linux-3.8.13 b/packages/base/any/kernels/legacy/linux-3.8.13
new file mode 160000
index 00000000..7cdec99d
--- /dev/null
+++ b/packages/base/any/kernels/legacy/linux-3.8.13
@@ -0,0 +1 @@
+Subproject commit 7cdec99d7aea20e8afa83771350bdae699d79ffc
diff --git a/packages/base/any/kernels/legacy/linux-3.9.6 b/packages/base/any/kernels/legacy/linux-3.9.6
new file mode 160000
index 00000000..ea892415
--- /dev/null
+++ b/packages/base/any/kernels/legacy/linux-3.9.6
@@ -0,0 +1 @@
+Subproject commit ea892415c55dade0a10e3b870ca0504befd8695a
diff --git a/sm/bigcode b/sm/bigcode
new file mode 160000
index 00000000..6d63049b
--- /dev/null
+++ b/sm/bigcode
@@ -0,0 +1 @@
+Subproject commit 6d63049bc7a46facad4b9706c21fcae633cf5cac
diff --git a/sm/infra b/sm/infra
new file mode 160000
index 00000000..7458c2da
--- /dev/null
+++ b/sm/infra
@@ -0,0 +1 @@
+Subproject commit 7458c2da909830b2b2fadfd0098e63a8e96f43b8