diff --git a/crt/crt0.S b/crt/crt0.S
index a2be2a3..6f80b93 100644
--- a/crt/crt0.S
+++ b/crt/crt0.S
@@ -2,7 +2,17 @@
 .extern exit
 .global _start
 _start:
+	stwu 1, -0x8(1)
+	stw 3, 0(1)
+	stw 4, 4(1)
+	bl fsDevInit
+	lwz 3, 0(1)
+	lwz 4, 4(1)
 	bl main
+	stw 3, 0(1)
+	bl fsDevExit
+	lwz 3, 0(1)
+	addi 1, 1, 0x8
 	b exit
 
 .global __wrap___eabi