diff --git a/.gitmodules b/.gitmodules
index 9cc736bb..79750a8d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "dramsim2"]
 	path = dramsim2
 	url = git@github.com:dramninjasUMD/DRAMSim2.git
+[submodule "riscv-tools"]
+	path = riscv-tools
+	url = git@github.com:ucb-bar/riscv-tools.git
diff --git a/riscv-tools b/riscv-tools
new file mode 160000
index 00000000..ace0d9ec
--- /dev/null
+++ b/riscv-tools
@@ -0,0 +1 @@
+Subproject commit ace0d9ec2e6ff5b28610bddb1be7dc566b9483c4