Apply FreeRTOSV10_Core.patch

Of course, had to apply them manually, as the patch file
did not apply directly.  This is because some files were
renamed / moved relative to the original distribution,
while others were deleted because they did not apply.

cores/nRF5/freertos/Source/include/FreeRTOS.h

@@ -156,6 +156,10 @@ extern "C" {
 	#define INCLUDE_uxTaskGetStackHighWaterMark 0
 #endif
 
+#ifndef INCLUDE_pxTaskGetStackStart
+	#define INCLUDE_pxTaskGetStackStart 0
+#endif
+
 #ifndef INCLUDE_eTaskGetState
 	#define INCLUDE_eTaskGetState 0
 #endif
@@ -392,6 +396,22 @@ extern "C" {
 	#define tracePOST_MOVED_TASK_TO_READY_STATE( pxTCB )
 #endif
 
+#ifndef traceREADDED_TASK_TO_READY_STATE
+	#define traceREADDED_TASK_TO_READY_STATE( pxTCB )	traceMOVED_TASK_TO_READY_STATE( pxTCB )
+#endif
+
+#ifndef traceMOVED_TASK_TO_DELAYED_LIST
+	#define traceMOVED_TASK_TO_DELAYED_LIST()
+#endif
+
+#ifndef traceMOVED_TASK_TO_OVERFLOW_DELAYED_LIST
+	#define traceMOVED_TASK_TO_OVERFLOW_DELAYED_LIST()
+#endif
+
+#ifndef traceMOVED_TASK_TO_SUSPENDED_LIST
+	#define traceMOVED_TASK_TO_SUSPENDED_LIST( pxTCB )
+#endif
+
 #ifndef traceQUEUE_CREATE
 	#define traceQUEUE_CREATE( pxNewQueue )
 #endif
@@ -636,6 +656,18 @@ extern "C" {
 	#define traceTASK_NOTIFY_GIVE_FROM_ISR()
 #endif
 
+#ifndef traceISR_EXIT_TO_SCHEDULER
+	#define traceISR_EXIT_TO_SCHEDULER()
+#endif
+
+#ifndef traceISR_EXIT
+	#define traceISR_EXIT()
+#endif
+
+#ifndef traceISR_ENTER
+	#define traceISR_ENTER()
+#endif
+
 #ifndef traceSTREAM_BUFFER_CREATE_FAILED
 	#define traceSTREAM_BUFFER_CREATE_FAILED( xIsMessageBuffer )
 #endif

cores/nRF5/freertos/Source/include/task.h

@@ -1421,6 +1421,25 @@ TaskHandle_t xTaskGetHandle( const char *pcNameToQuery ) PRIVILEGED_FUNCTION; /*
  */
 UBaseType_t uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
 
+/**
+ * task.h
+ * <PRE>uint8_t* pxTaskGetStackStart( TaskHandle_t xTask);</PRE>
+ *
+ * INCLUDE_pxTaskGetStackStart must be set to 1 in FreeRTOSConfig.h for
+ * this function to be available.
+ *
+ * Returns the start of the stack associated with xTask.  That is,
+ * the highest stack memory address on architectures where the stack grows down
+ * from high memory, and the lowest memory address on architectures where the
+ * stack grows up from low memory.
+ *
+ * @param xTask Handle of the task associated with the stack returned.
+ * Set xTask to NULL to return the stack of the calling task.
+ *
+ * @return A pointer to the start of the stack.
+ */
+uint8_t* pxTaskGetStackStart( TaskHandle_t xTask) PRIVILEGED_FUNCTION;
+
 /* When using trace macros it is sometimes necessary to include task.h before
 FreeRTOS.h.  When this is done TaskHookFunction_t will not yet have been defined,
 so the following two prototypes will cause a compilation error.  This can be

cores/nRF5/freertos/Source/tasks.c

@@ -239,6 +239,19 @@ count overflows. */
 	tracePOST_MOVED_TASK_TO_READY_STATE( pxTCB )
 /*-----------------------------------------------------------*/
 
+/*
+ * Place the task represented by pxTCB which has been in a ready list before
+ * into the appropriate ready list for the task.
+ * It is inserted at the end of the list.
+ */
+#define prvReaddTaskToReadyList( pxTCB )															\
+	traceREADDED_TASK_TO_READY_STATE( pxTCB );														\
+	taskRECORD_READY_PRIORITY( ( pxTCB )->uxPriority );												\
+	vListInsertEnd( &( pxReadyTasksLists[ ( pxTCB )->uxPriority ] ), &( ( pxTCB )->xStateListItem ) ); \
+	tracePOST_MOVED_TASK_TO_READY_STATE( pxTCB )
+/*-----------------------------------------------------------*/
+
+
 /*
  * Several functions take an TaskHandle_t parameter that can optionally be NULL,
  * where NULL is used to indicate that the handle of the currently executing
@@ -1598,7 +1611,7 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 					{
 						mtCOVERAGE_TEST_MARKER();
 					}
-					prvAddTaskToReadyList( pxTCB );
+					prvReaddTaskToReadyList( pxTCB );
 				}
 				else
 				{
@@ -1660,6 +1673,7 @@ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB )
 				mtCOVERAGE_TEST_MARKER();
 			}
 
+			traceMOVED_TASK_TO_SUSPENDED_LIST(pxTCB);
 			vListInsertEnd( &xSuspendedTaskList, &( pxTCB->xStateListItem ) );
 
 			#if( configUSE_TASK_NOTIFICATIONS == 1 )
@@ -3671,6 +3685,20 @@ static void prvCheckTasksWaitingTermination( void )
 #endif /* INCLUDE_uxTaskGetStackHighWaterMark */
 /*-----------------------------------------------------------*/
 
+#if (INCLUDE_pxTaskGetStackStart == 1)
+	uint8_t* pxTaskGetStackStart( TaskHandle_t xTask)
+	{
+	    TCB_t *pxTCB;
+	    UBaseType_t uxReturn;
+        (void)uxReturn;
+
+		pxTCB = prvGetTCBFromHandle( xTask );
+		return ( uint8_t * ) pxTCB->pxStack;
+	}
+#endif /* INCLUDE_pxTaskGetStackStart */
+/*-----------------------------------------------------------*/
+
+
 #if ( INCLUDE_vTaskDelete == 1 )
 
 	static void prvDeleteTCB( TCB_t *pxTCB )
@@ -3840,7 +3868,7 @@ TCB_t *pxTCB;
 
 					/* Inherit the priority before being moved into the new list. */
 					pxMutexHolderTCB->uxPriority = pxCurrentTCB->uxPriority;
-					prvAddTaskToReadyList( pxMutexHolderTCB );
+					prvReaddTaskToReadyList( pxMutexHolderTCB );
 				}
 				else
 				{
@@ -3930,7 +3958,7 @@ TCB_t *pxTCB;
 					any other purpose if this task is running, and it must be
 					running to give back the mutex. */
 					listSET_LIST_ITEM_VALUE( &( pxTCB->xEventListItem ), ( TickType_t ) configMAX_PRIORITIES - ( TickType_t ) pxTCB->uxPriority ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
-					prvAddTaskToReadyList( pxTCB );
+					prvReaddTaskToReadyList( pxTCB );
 
 					/* Return true to indicate that a context switch is required.
 					This is only actually required in the corner case whereby
@@ -4943,6 +4971,7 @@ const TickType_t xConstTickCount = xTickCount;
 			/* Add the task to the suspended task list instead of a delayed task
 			list to ensure it is not woken by a timing event.  It will block
 			indefinitely. */
+			traceMOVED_TASK_TO_SUSPENDED_LIST(pxCurrentTCB);
 			vListInsertEnd( &xSuspendedTaskList, &( pxCurrentTCB->xStateListItem ) );
 		}
 		else
@@ -4959,12 +4988,14 @@ const TickType_t xConstTickCount = xTickCount;
 			{
 				/* Wake time has overflowed.  Place this item in the overflow
 				list. */
+				traceMOVED_TASK_TO_OVERFLOW_DELAYED_LIST();
 				vListInsert( pxOverflowDelayedTaskList, &( pxCurrentTCB->xStateListItem ) );
 			}
 			else
 			{
 				/* The wake time has not overflowed, so the current block list
 				is used. */
+				traceMOVED_TASK_TO_DELAYED_LIST();
 				vListInsert( pxDelayedTaskList, &( pxCurrentTCB->xStateListItem ) );
 
 				/* If the task entering the blocked state was placed at the
@@ -4994,11 +5025,13 @@ const TickType_t xConstTickCount = xTickCount;
 		if( xTimeToWake < xConstTickCount )
 		{
 			/* Wake time has overflowed.  Place this item in the overflow list. */
+			traceMOVED_TASK_TO_OVERFLOW_DELAYED_LIST();
 			vListInsert( pxOverflowDelayedTaskList, &( pxCurrentTCB->xStateListItem ) );
 		}
 		else
 		{
 			/* The wake time has not overflowed, so the current block list is used. */
+			traceMOVED_TASK_TO_DELAYED_LIST();
 			vListInsert( pxDelayedTaskList, &( pxCurrentTCB->xStateListItem ) );
 
 			/* If the task entering the blocked state was placed at the head of the

cores/nRF5/freertos/portable/CMSIS/nrf52/port_cmsis_systick.c

@@ -54,6 +54,7 @@
 
 void xPortSysTickHandler( void )
 {
+    traceISR_ENTER();
 #if configUSE_TICKLESS_IDLE == 1
     nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);
 #endif
@@ -89,11 +90,16 @@ void xPortSysTickHandler( void )
     /* Increment the RTOS tick as usual which checks if there is a need for rescheduling */
     if ( switch_req != pdFALSE )
     {
+        traceISR_EXIT_TO_SCHEDULER();
         /* A context switch is required.  Context switching is performed in
         the PendSV interrupt.  Pend the PendSV interrupt. */
         SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;
         __SEV();
     }
+    else
+    {
+        traceISR_EXIT();
+    }
 
     portCLEAR_INTERRUPT_MASK_FROM_ISR( isrstate );
 }

cores/nRF5/freertos/portable/CMSIS/nrf52/portmacro_cmsis.h

@@ -97,7 +97,14 @@ typedef unsigned long UBaseType_t;
     __ISB();                                                                    \
 }while (0)
 
-#define portEND_SWITCHING_ISR( xSwitchRequired ) if ( (xSwitchRequired) != pdFALSE ) portYIELD()
+#define portEND_SWITCHING_ISR( xSwitchRequired ) do { \
+    if( xSwitchRequired != pdFALSE ) {                \
+        traceISR_EXIT_TO_SCHEDULER();                 \
+        portYIELD();                                  \
+    } else {                                          \
+        traceISR_EXIT();                              \
+    }                                                 \
+} while (0)
 #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
 /*-----------------------------------------------------------*/