FreeRTOS: Always show current execution before scheduler is started

[openocd.git] / src / rtos / FreeRTOS.c

diff --git a/src/rtos/FreeRTOS.c b/src/rtos/FreeRTOS.c
index 5f779ef70cf30636f27c48db5ab51f8abb669cc9..afea9db90c89509be0cee9dadfa2abae01700e32 100644 (file)
--- a/src/rtos/FreeRTOS.c
+++ b/src/rtos/FreeRTOS.c
@@ -116,6 +116,7 @@ enum freertos_symbol_values {
        FREERTOS_VAL_X_SUSPENDED_TASK_LIST = 8,
        FREERTOS_VAL_UX_CURRENT_NUMBER_OF_TASKS = 9,
        FREERTOS_VAL_UX_TOP_USED_PRIORITY = 10,
+       FREERTOS_VAL_X_SCHEDULER_RUNNING = 11,
 };
 
 struct symbols {
@@ -135,6 +136,7 @@ static const struct symbols freertos_symbol_list[] = {
        { "xSuspendedTaskList", true }, /* Only if INCLUDE_vTaskSuspend */
        { "uxCurrentNumberOfTasks", false },
        { "uxTopUsedPriority", true }, /* Unavailable since v7.5.3 */
+       { "xSchedulerRunning", false },
        { NULL, false }
 };
 
@@ -194,7 +196,20 @@ static int freertos_update_threads(struct rtos *rtos)
                                                                                rtos->symbols[FREERTOS_VAL_PX_CURRENT_TCB].address,
                                                                                rtos->current_thread);
 
-       if ((thread_list_size  == 0) || (rtos->current_thread == 0)) {
+       /* read scheduler running */
+       uint32_t scheduler_running;
+       retval = target_read_u32(rtos->target,
+                       rtos->symbols[FREERTOS_VAL_X_SCHEDULER_RUNNING].address,
+                       &scheduler_running);
+       if (retval != ERROR_OK) {
+               LOG_ERROR("Error reading FreeRTOS scheduler state");
+               return retval;
+       }
+       LOG_DEBUG("FreeRTOS: Read xSchedulerRunning at 0x%" PRIx64 ", value 0x%" PRIx32,
+                                                                               rtos->symbols[FREERTOS_VAL_X_SCHEDULER_RUNNING].address,
+                                                                               scheduler_running);
+
+       if ((thread_list_size  == 0) || (rtos->current_thread == 0) || (scheduler_running != 1)) {
                /* Either : No RTOS threads - there is always at least the current execution though */
                /* OR     : No current thread - all threads suspended - show the current execution
                 * of idling */