diff --git a/software/Makefile b/software/Makefile
new file mode 100644
index 0000000..ca3658a
--- /dev/null
+++ b/software/Makefile
@@ -0,0 +1,5 @@
+kernel: src/*.c ../firmware/overlay.dts ../firmware/io_pins.h
+	mkdir -p build
+	cd build && cmake $$(cat ../../firmware/overlay.config) -DDTC_OVERLAY_FILE=../firmware/overlay.dts -DBOARD=litex_vexriscv .. && make -j7
+clean:
+	rm -rf build
diff --git a/software/mk.sh b/software/mk.sh
deleted file mode 100755
index efa3a0d..0000000
--- a/software/mk.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/sh
-
-set -x
-
-mkdir -p build
-cd build
-cmake $(cat ../../firmware/overlay.config) -DDTC_OVERLAY_FILE=../firmware/overlay.dts -DBOARD=litex_vexriscv .. && make -j7