1 files changed, 1 insertions, 0 deletions
diff --git a/pk/mcall.h b/pk/mcall.h
index 5d4b042..65db8e1 100644
--- a/pk/mcall.h
+++ b/pk/mcall.h
@@ -6,6 +6,7 @@
 #define MCALL_SEND_DEVICE_REQUEST 2
 #define MCALL_RECEIVE_DEVICE_RESPONSE 3
 #define MCALL_SEND_IPI 4
+#define MCALL_SHUTDOWN 5
 
 #ifndef __ASSEMBLER__