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altos: Add stack-guard code. Uses STM MPU to trap stack overflow.
[fw/altos]
/
src
/
core
/
ao_task.c
diff --git
a/src/core/ao_task.c
b/src/core/ao_task.c
index c2b1b2700453921e04f142c3db3849a02f800dfb..df70b906ccfa6bec6c793c417a25bc4d4e652ff6 100644
(file)
--- a/
src/core/ao_task.c
+++ b/
src/core/ao_task.c
@@
-20,6
+20,9
@@
#if HAS_SAMPLE_PROFILE
#include <ao_sample_profile.h>
#endif
#if HAS_SAMPLE_PROFILE
#include <ao_sample_profile.h>
#endif
+#if HAS_STACK_GUARD
+#include <ao_mpu.h>
+#endif
#define AO_NO_TASK_INDEX 0xff
#define AO_NO_TASK_INDEX 0xff
@@
-127,6
+130,9
@@
ao_yield(void) ao_arch_naked_define
ao_cur_task->start = ao_sample_profile_timer_value();
#endif
}
ao_cur_task->start = ao_sample_profile_timer_value();
#endif
}
+#if HAS_STACK_GUARD
+ ao_mpu_stack_guard(ao_cur_task->stack);
+#endif
#if AO_CHECK_STACK
cli();
in_yield = 0;
#if AO_CHECK_STACK
cli();
in_yield = 0;