feat: added magic values (user / supervisor) for CONTROL register when calling switch_mode

macro.h

@@ -8,6 +8,9 @@
 #ifndef MACRO_H_
 #define MACRO_H_
 
+#define SUPERVISOR_CONTROL_VALUE 0
+#define USER_CONTROL_VALUE 3
+
 // Region enable bit
 #define REGION_ENABLE (0x1 << 0)
 
@@ -26,6 +29,4 @@
 #define RW_PRIV (0x1 << 24)
 #define RW_PRIV_R_UNPRIV (0x2 << 24)
 
-
-
 #endif /* MACRO_H_ */