Add xTaskGetIdleRunTimeCounter() API function to return the run time stats counter for the idle task - useful for POSIX time implementations.

FreeRTOS/Demo/CORTEX_MPU_Simulator_Keil_GCC/GCC_Specific/RTOSDemo.uvoptx

@@ -152,7 +152,7 @@
           <Type>0</Type>
           <LineNumber>614</LineNumber>
           <EnabledFlag>1</EnabledFlag>
-          <Address>23132</Address>
+          <Address>23164</Address>
           <ByteObject>0</ByteObject>
           <HtxType>0</HtxType>
           <ManyObjects>0</ManyObjects>
@@ -237,7 +237,7 @@
 
   <Group>
     <GroupName>System</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -257,7 +257,7 @@
 
   <Group>
     <GroupName>application_and_config</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -301,7 +301,7 @@
 
   <Group>
     <GroupName>FreeRTOS_Source</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>

FreeRTOS/Demo/CORTEX_MPU_Simulator_Keil_GCC/main.c

@@ -776,6 +776,9 @@ static void prvTaskToDelete( void *pvParameters )
 	/* For code coverage test purposes it is deleted by the Idle task. */
 	configASSERT( uxTaskGetStackHighWaterMark( NULL ) > 0 );
 	configASSERT( uxTaskGetStackHighWaterMark2( NULL ) > 0 );
+	/* Run time stats are not being gathered - this is just to exercise
+	API. */
+	configASSERT( xTaskGetIdleRunTimeCounter() == 0 ); 
 	vTaskSuspend( NULL );
 }
 /*-----------------------------------------------------------*/

FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.settings/language.settings.xml

@@ -5,7 +5,7 @@
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="1688908204914985791" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-838616105515603833" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -16,7 +16,7 @@
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="1692822637120195189" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-834701673310394435" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>

FreeRTOS/Demo/WIN32-MingW/main_full.c

@@ -617,6 +617,8 @@ static portBASE_TYPE xPerformedOneShotTests = pdFALSE;
 TaskHandle_t xTestTask;
 TaskStatus_t xTaskInfo;
 extern StackType_t uxTimerTaskStack[];
+static TickType_t xLastIdleExecutionTime = 0;
+TickType_t xIdleExecutionTime;
 
 	/* Demonstrate the use of the xTimerGetTimerDaemonTaskHandle() and
 	xTaskGetIdleTaskHandle() functions.  Also try using the function that sets
@@ -715,6 +717,13 @@ extern StackType_t uxTimerTaskStack[];
 			}
 		}
 	}
+
+	xIdleExecutionTime = xTaskGetIdleRunTimeCounter();
+	if( xIdleExecutionTime == xLastIdleExecutionTime )
+	{
+		pcStatusMessage = "Error: Total amount of Idle task execution time did not change";
+	}
+	xLastIdleExecutionTime = xIdleExecutionTime;
 }
 /*-----------------------------------------------------------*/
 

FreeRTOS/Source/include/mpu_prototypes.h

@@ -69,6 +69,7 @@ void * MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, BaseTy
 BaseType_t MPU_xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter );
 TaskHandle_t MPU_xTaskGetIdleTaskHandle( void );
 UBaseType_t MPU_uxTaskGetSystemState( TaskStatus_t * const pxTaskStatusArray, const UBaseType_t uxArraySize, uint32_t * const pulTotalRunTime );
+TickType_t MPU_xTaskGetIdleRunTimeCounter( void );
 void MPU_vTaskList( char * pcWriteBuffer );
 void MPU_vTaskGetRunTimeStats( char *pcWriteBuffer );
 BaseType_t MPU_xTaskGenericNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t *pulPreviousNotificationValue );

FreeRTOS/Source/include/mpu_wrappers.h

@@ -77,6 +77,7 @@ only for ports that are using the MPU. */
 		#define uxTaskGetSystemState					MPU_uxTaskGetSystemState
 		#define vTaskList								MPU_vTaskList
 		#define vTaskGetRunTimeStats					MPU_vTaskGetRunTimeStats
+		#define xTaskGetIdleRunTimeCounter				MPU_xTaskGetIdleRunTimeCounter
 		#define xTaskGenericNotify						MPU_xTaskGenericNotify
 		#define xTaskNotifyWait							MPU_xTaskNotifyWait
 		#define ulTaskNotifyTake						MPU_ulTaskNotifyTake

FreeRTOS/Source/include/task.h

@@ -1728,6 +1728,36 @@ void vTaskList( char * pcWriteBuffer ) PRIVILEGED_FUNCTION; /*lint !e971 Unquali
  */
 void vTaskGetRunTimeStats( char *pcWriteBuffer ) PRIVILEGED_FUNCTION; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 
+/**
+* task. h
+* <PRE>TickType_t xTaskGetIdleRunTimeCounter( void );</PRE>
+*
+* configGENERATE_RUN_TIME_STATS and configUSE_STATS_FORMATTING_FUNCTIONS
+* must both be defined as 1 for this function to be available.  The application
+* must also then provide definitions for
+* portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() and portGET_RUN_TIME_COUNTER_VALUE()
+* to configure a peripheral timer/counter and return the timers current count
+* value respectively.  The counter should be at least 10 times the frequency of
+* the tick count.
+*
+* Setting configGENERATE_RUN_TIME_STATS to 1 will result in a total
+* accumulated execution time being stored for each task.  The resolution
+* of the accumulated time value depends on the frequency of the timer
+* configured by the portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() macro.
+* While uxTaskGetSystemState() and vTaskGetRunTimeStats() writes the total
+* execution time of each task into a buffer, xTaskGetIdleRunTimeCounter()
+* returns the total execution time of just the idle task.
+*
+* @return The total run time of the idle task.  This is the amount of time the
+* idle task has actually been executing.  The unit of time is dependent on the
+* frequency configured using the portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() and
+* portGET_RUN_TIME_COUNTER_VALUE() macros.
+*
+* \defgroup xTaskGetIdleRunTimeCounter xTaskGetIdleRunTimeCounter
+* \ingroup TaskUtils
+*/
+TickType_t xTaskGetIdleRunTimeCounter( void ) PRIVILEGED_FUNCTION;
+
 /**
  * task. h
  * <PRE>BaseType_t xTaskNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction );</PRE>
@@ -2346,7 +2376,7 @@ void vTaskSetTaskNumber( TaskHandle_t xTask, const UBaseType_t uxHandle ) PRIVIL
 void vTaskStepTick( const TickType_t xTicksToJump ) PRIVILEGED_FUNCTION;
 
 /*
- * Only avilable when configUSE_TICKLESS_IDLE is set to 1.
+ * Only available when configUSE_TICKLESS_IDLE is set to 1.
  * Provided for use within portSUPPRESS_TICKS_AND_SLEEP() to allow the port
  * specific sleep function to determine if it is ok to proceed with the sleep,
  * and if it is ok to proceed, if it is ok to sleep indefinitely.
@@ -2367,10 +2397,6 @@ eSleepModeStatus eTaskConfirmSleepModeStatus( void ) PRIVILEGED_FUNCTION;
  */
 TaskHandle_t pvTaskIncrementMutexHeldCount( void ) PRIVILEGED_FUNCTION;
 
-#if( ( configGENERATE_RUN_TIME_STATS == 1 ) && ( INCLUDE_xTaskGetIdleTaskHandle == 1 ) )
-	TickType_t xTaskGetIdleRunTimeCounter( void );
-#endif
-
 /*
  * For internal use only.  Same as vTaskSetTimeOutState(), but without a critial
  * section.

FreeRTOS/Source/portable/Common/mpu_wrappers.c

@@ -333,6 +333,19 @@ BaseType_t xRunningPrivileged = xPortRaisePrivilege();
 #endif
 /*-----------------------------------------------------------*/
 
+#if( ( configGENERATE_RUN_TIME_STATS == 1 ) && ( INCLUDE_xTaskGetIdleTaskHandle == 1 ) )
+	TickType_t MPU_xTaskGetIdleRunTimeCounter( void )
+	{
+	TickType_t xReturn;
+	BaseType_t xRunningPrivileged = xPortRaisePrivilege();
+
+		xReturn = xTaskGetIdleRunTimeCounter();
+		vPortResetPrivilege( xRunningPrivileged );
+		return xReturn;
+	}
+#endif
+/*-----------------------------------------------------------*/
+
 #if ( configUSE_APPLICATION_TASK_TAG == 1 )
 	void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxTagValue )
 	{

FreeRTOS/Source/portable/GCC/ARM_CM4_MPU/port.c

@@ -573,7 +573,7 @@ extern uint32_t __privileged_data_end__[];
 										( prvGetMPURegionSizeSetting( ( uint32_t ) __FLASH_segment_end__ - ( uint32_t ) __FLASH_segment_start__ ) ) |
 										( portMPU_REGION_ENABLE );
 
-		/* Setup the first 16K for privileged only access (even though less
+		/* Setup the first nK for privileged only access (even though less
 		than 10K is actually being used).  This is where the kernel code is
 		placed. */
 		portMPU_REGION_BASE_ADDRESS_REG =	( ( uint32_t ) __FLASH_segment_start__ ) | /* Base address. */

FreeRTOS/Source/portable/GCC/RISC-V-RV32/port.c

@@ -34,6 +34,10 @@
 #include "task.h"
 #include "portmacro.h"
 
+#ifndef configCLINT_BASE_ADDRESS
+	#warning configCLINT_BASE_ADDRESS must be defined in FreeRTOSConfig.h.  If the target chip includes a Core Local Interrupter (CLINT) then set configCLINT_BASE_ADDRESS to the CLINT's base address.  Otherwise set configCLINT_BASE_ADDRESS to 0.
+#endif
+
 /* Let the user override the pre-loading of the initial LR with the address of
 prvTaskExitError() in case it messes up unwinding of the stack in the
 debugger. */