diff options
| -rw-r--r-- | os/rt/include/chschd.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/os/rt/include/chschd.h b/os/rt/include/chschd.h index fe85f76cb..a89c49161 100644 --- a/os/rt/include/chschd.h +++ b/os/rt/include/chschd.h @@ -333,8 +333,10 @@ typedef struct ch_system { * @brief Pointer to the panic message.
* @details This pointer is meant to be accessed through the debugger, it is
* written once and then the system is halted.
+ * @note Accesses to this pointer must never be optimized out so the
+ * field itself is declared volatile.
*/
- const char *dbg_panic_msg;
+ const char * volatile dbg_panic_msg;
#endif
#if CH_DBG_SYSTEM_STATE_CHECK || defined(__DOXYGEN__)
/**
|