diff --git a/.gitmodules b/.gitmodules
index 6759956..81a2129 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "PIC"]
 	path = PIC
 	url = https://github.com/awesome-cpus/awesome-cpus-pic
+[submodule "B5000"]
+	path = B5000
+	url = https://github.com/awesome-cpus/b5000
diff --git a/B5000 b/B5000
new file mode 160000
index 0000000..a4e2fe1
--- /dev/null
+++ b/B5000
@@ -0,0 +1 @@
+Subproject commit a4e2fe171ba3eb422017a265af204e95bfc0ff3c