tests/mpu_stack_guard: error unless __MPU_PRESENT

2020-02-17 13:54:00 +01:00 · 2020-02-17 13:54:00 +01:00 · b154784421
commit b154784421
parent 950a206bad
1 changed files with 8 additions and 0 deletions
--- a/tests/mpu_stack_guard/main.c
+++ b/tests/mpu_stack_guard/main.c
@ -22,6 +22,14 @@

 #include "cpu.h"
 #include "thread.h"
+#include "mpu.h"
+
+/* RIOT's MPU headers gracefully fail when no MPU is present.
+ * Use this to catch if RIOT's features are correctly gating MPU use.
+ */
+#if !__MPU_PRESENT
+#error "(!__MPU_PRESENT)"
+#endif

 #define CANARY_VALUE 0xdeadbeef