begriffs open source - freertos/blob - include/mpu_prototypes.h

   1 /*
   2  * FreeRTOS Kernel <DEVELOPMENT BRANCH>
   3  * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
   4  *
   5  * SPDX-License-Identifier: MIT
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy of
   8  * this software and associated documentation files (the "Software"), to deal in
   9  * the Software without restriction, including without limitation the rights to
  10  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  11  * the Software, and to permit persons to whom the Software is furnished to do so,
  12  * subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in all
  15  * copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  19  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  20  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  21  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * https://www.FreeRTOS.org
  25  * https://github.com/FreeRTOS
  26  *
  27  */
  28
  29 /*
  30  * When the MPU is used the standard (non MPU) API functions are mapped to
  31  * equivalents that start "MPU_", the prototypes for which are defined in this
  32  * header files.  This will cause the application code to call the MPU_ version
  33  * which wraps the non-MPU version with privilege promoting then demoting code,
  34  * so the kernel code always runs will full privileges.
  35  */
  36
  37
  38 #ifndef MPU_PROTOTYPES_H
  39 #define MPU_PROTOTYPES_H
  40
  41 /* MPU versions of task.h API functions. */
  42 void MPU_vTaskDelay( const TickType_t xTicksToDelay ) FREERTOS_SYSTEM_CALL;
  43 BaseType_t MPU_xTaskDelayUntil( TickType_t * const pxPreviousWakeTime,
  44                                 const TickType_t xTimeIncrement ) FREERTOS_SYSTEM_CALL;
  45 BaseType_t MPU_xTaskAbortDelay( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL;
  46 UBaseType_t MPU_uxTaskPriorityGet( const TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL;
  47 eTaskState MPU_eTaskGetState( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL;
  48 void MPU_vTaskGetInfo( TaskHandle_t xTask,
  49                        TaskStatus_t * pxTaskStatus,
  50                        BaseType_t xGetFreeStackSpace,
  51                        eTaskState eState ) FREERTOS_SYSTEM_CALL;
  52 void MPU_vTaskSuspend( TaskHandle_t xTaskToSuspend ) FREERTOS_SYSTEM_CALL;
  53 void MPU_vTaskResume( TaskHandle_t xTaskToResume ) FREERTOS_SYSTEM_CALL;
  54 TickType_t MPU_xTaskGetTickCount( void ) FREERTOS_SYSTEM_CALL;
  55 UBaseType_t MPU_uxTaskGetNumberOfTasks( void ) FREERTOS_SYSTEM_CALL;
  56 char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) FREERTOS_SYSTEM_CALL;
  57 UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL;
  58 configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL;
  59 void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask,
  60                                      TaskHookFunction_t pxHookFunction ) FREERTOS_SYSTEM_CALL;
  61 TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL;
  62 void MPU_vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet,
  63                                             BaseType_t xIndex,
  64                                             void * pvValue ) FREERTOS_SYSTEM_CALL;
  65 void * MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery,
  66                                                BaseType_t xIndex ) FREERTOS_SYSTEM_CALL;
  67 TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ) FREERTOS_SYSTEM_CALL;
  68 UBaseType_t MPU_uxTaskGetSystemState( TaskStatus_t * const pxTaskStatusArray,
  69                                       const UBaseType_t uxArraySize,
  70                                       configRUN_TIME_COUNTER_TYPE * const pulTotalRunTime ) FREERTOS_SYSTEM_CALL;
  71 configRUN_TIME_COUNTER_TYPE MPU_ulTaskGetRunTimeCounter( const TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL;
  72 configRUN_TIME_COUNTER_TYPE MPU_ulTaskGetRunTimePercent( const TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL;
  73 configRUN_TIME_COUNTER_TYPE MPU_ulTaskGetIdleRunTimeCounter( void ) FREERTOS_SYSTEM_CALL;
  74 configRUN_TIME_COUNTER_TYPE MPU_ulTaskGetIdleRunTimePercent( void ) FREERTOS_SYSTEM_CALL;
  75 BaseType_t MPU_xTaskGenericNotify( TaskHandle_t xTaskToNotify,
  76                                    UBaseType_t uxIndexToNotify,
  77                                    uint32_t ulValue,
  78                                    eNotifyAction eAction,
  79                                    uint32_t * pulPreviousNotificationValue ) FREERTOS_SYSTEM_CALL;
  80 BaseType_t MPU_xTaskGenericNotifyWait( UBaseType_t uxIndexToWaitOn,
  81                                        uint32_t ulBitsToClearOnEntry,
  82                                        uint32_t ulBitsToClearOnExit,
  83                                        uint32_t * pulNotificationValue,
  84                                        TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
  85 uint32_t MPU_ulTaskGenericNotifyTake( UBaseType_t uxIndexToWaitOn,
  86                                       BaseType_t xClearCountOnExit,
  87                                       TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
  88 BaseType_t MPU_xTaskGenericNotifyStateClear( TaskHandle_t xTask,
  89                                              UBaseType_t uxIndexToClear ) FREERTOS_SYSTEM_CALL;
  90 uint32_t MPU_ulTaskGenericNotifyValueClear( TaskHandle_t xTask,
  91                                             UBaseType_t uxIndexToClear,
  92                                             uint32_t ulBitsToClear ) FREERTOS_SYSTEM_CALL;
  93 void MPU_vTaskSetTimeOutState( TimeOut_t * const pxTimeOut ) FREERTOS_SYSTEM_CALL;
  94 BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut,
  95                                      TickType_t * const pxTicksToWait ) FREERTOS_SYSTEM_CALL;
  96 TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ) FREERTOS_SYSTEM_CALL;
  97 BaseType_t MPU_xTaskGetSchedulerState( void ) FREERTOS_SYSTEM_CALL;
  98
  99 /* Privileged only wrappers for Task APIs. These are needed so that
 100  * the application can use opaque handles maintained in mpu_wrappers.c
 101  * with all the APIs. */
 102 BaseType_t MPU_xTaskCreate( TaskFunction_t pxTaskCode,
 103                             const char * const pcName,
 104                             const uint16_t usStackDepth,
 105                             void * const pvParameters,
 106                             UBaseType_t uxPriority,
 107                             TaskHandle_t * const pxCreatedTask ) PRIVILEGED_FUNCTION;
 108 TaskHandle_t MPU_xTaskCreateStatic( TaskFunction_t pxTaskCode,
 109                                     const char * const pcName,
 110                                     const uint32_t ulStackDepth,
 111                                     void * const pvParameters,
 112                                     UBaseType_t uxPriority,
 113                                     StackType_t * const puxStackBuffer,
 114                                     StaticTask_t * const pxTaskBuffer ) PRIVILEGED_FUNCTION;
 115 void MPU_vTaskDelete( TaskHandle_t xTaskToDelete ) PRIVILEGED_FUNCTION;
 116 void MPU_vTaskPrioritySet( TaskHandle_t xTask,
 117                            UBaseType_t uxNewPriority ) PRIVILEGED_FUNCTION;
 118 TaskHandle_t MPU_xTaskGetHandle( const char * pcNameToQuery ) PRIVILEGED_FUNCTION;
 119 BaseType_t MPU_xTaskCallApplicationTaskHook( TaskHandle_t xTask,
 120                                              void * pvParameter ) PRIVILEGED_FUNCTION;
 121 BaseType_t MPU_xTaskCreateRestricted( const TaskParameters_t * const pxTaskDefinition,
 122                                       TaskHandle_t * pxCreatedTask ) PRIVILEGED_FUNCTION;
 123 BaseType_t MPU_xTaskCreateRestrictedStatic( const TaskParameters_t * const pxTaskDefinition,
 124                                             TaskHandle_t * pxCreatedTask ) PRIVILEGED_FUNCTION;
 125 void vTaskAllocateMPURegions( TaskHandle_t xTaskToModify,
 126                               const MemoryRegion_t * const xRegions ) PRIVILEGED_FUNCTION;
 127 BaseType_t MPU_xTaskGetStaticBuffers( TaskHandle_t xTask,
 128                                       StackType_t ** ppuxStackBuffer,
 129                                       StaticTask_t ** ppxTaskBuffer ) PRIVILEGED_FUNCTION;
 130 UBaseType_t MPU_uxTaskPriorityGetFromISR( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
 131 BaseType_t MPU_xTaskResumeFromISR( TaskHandle_t xTaskToResume ) PRIVILEGED_FUNCTION;
 132 TaskHookFunction_t MPU_xTaskGetApplicationTaskTagFromISR( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
 133 BaseType_t MPU_xTaskGenericNotifyFromISR( TaskHandle_t xTaskToNotify,
 134                                           UBaseType_t uxIndexToNotify,
 135                                           uint32_t ulValue,
 136                                           eNotifyAction eAction,
 137                                           uint32_t * pulPreviousNotificationValue,
 138                                           BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 139 void MPU_vTaskGenericNotifyGiveFromISR( TaskHandle_t xTaskToNotify,
 140                                         UBaseType_t uxIndexToNotify,
 141                                         BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 142
 143 /* MPU versions of queue.h API functions. */
 144 BaseType_t MPU_xQueueGenericSend( QueueHandle_t xQueue,
 145                                   const void * const pvItemToQueue,
 146                                   TickType_t xTicksToWait,
 147                                   const BaseType_t xCopyPosition ) FREERTOS_SYSTEM_CALL;
 148 BaseType_t MPU_xQueueReceive( QueueHandle_t xQueue,
 149                               void * const pvBuffer,
 150                               TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 151 BaseType_t MPU_xQueuePeek( QueueHandle_t xQueue,
 152                            void * const pvBuffer,
 153                            TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 154 BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue,
 155                                     TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 156 UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL;
 157 UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL;
 158 TaskHandle_t MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ) FREERTOS_SYSTEM_CALL;
 159 BaseType_t MPU_xQueueTakeMutexRecursive( QueueHandle_t xMutex,
 160                                          TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 161 BaseType_t MPU_xQueueGiveMutexRecursive( QueueHandle_t pxMutex ) FREERTOS_SYSTEM_CALL;
 162 void MPU_vQueueAddToRegistry( QueueHandle_t xQueue,
 163                               const char * pcName ) FREERTOS_SYSTEM_CALL;
 164 void MPU_vQueueUnregisterQueue( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL;
 165 const char * MPU_pcQueueGetName( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL;
 166 BaseType_t MPU_xQueueAddToSet( QueueSetMemberHandle_t xQueueOrSemaphore,
 167                                QueueSetHandle_t xQueueSet ) FREERTOS_SYSTEM_CALL;
 168 QueueSetMemberHandle_t MPU_xQueueSelectFromSet( QueueSetHandle_t xQueueSet,
 169                                                 const TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 170 void MPU_vQueueSetQueueNumber( QueueHandle_t xQueue,
 171                                UBaseType_t uxQueueNumber ) FREERTOS_SYSTEM_CALL;
 172 UBaseType_t MPU_uxQueueGetQueueNumber( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL;
 173 uint8_t MPU_ucQueueGetQueueType( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL;
 174
 175 /* Privileged only wrappers for Queue APIs. These are needed so that
 176  * the application can use opaque handles maintained in mpu_wrappers.c
 177  * with all the APIs. */
 178 void MPU_vQueueDelete( QueueHandle_t xQueue ) PRIVILEGED_FUNCTION;
 179 QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ) PRIVILEGED_FUNCTION;
 180 QueueHandle_t MPU_xQueueCreateMutexStatic( const uint8_t ucQueueType,
 181                                            StaticQueue_t * pxStaticQueue ) PRIVILEGED_FUNCTION;
 182 QueueHandle_t MPU_xQueueCreateCountingSemaphore( const UBaseType_t uxMaxCount,
 183                                                  const UBaseType_t uxInitialCount ) PRIVILEGED_FUNCTION;
 184 QueueHandle_t MPU_xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount,
 185                                                        const UBaseType_t uxInitialCount,
 186                                                        StaticQueue_t * pxStaticQueue ) PRIVILEGED_FUNCTION;
 187 QueueHandle_t MPU_xQueueGenericCreate( const UBaseType_t uxQueueLength,
 188                                        const UBaseType_t uxItemSize,
 189                                        const uint8_t ucQueueType ) PRIVILEGED_FUNCTION;
 190 QueueHandle_t MPU_xQueueGenericCreateStatic( const UBaseType_t uxQueueLength,
 191                                              const UBaseType_t uxItemSize,
 192                                              uint8_t * pucQueueStorage,
 193                                              StaticQueue_t * pxStaticQueue,
 194                                              const uint8_t ucQueueType ) PRIVILEGED_FUNCTION;
 195 QueueSetHandle_t MPU_xQueueCreateSet( const UBaseType_t uxEventQueueLength ) PRIVILEGED_FUNCTION;
 196 BaseType_t MPU_xQueueRemoveFromSet( QueueSetMemberHandle_t xQueueOrSemaphore,
 197                                     QueueSetHandle_t xQueueSet ) PRIVILEGED_FUNCTION;
 198 BaseType_t MPU_xQueueGenericReset( QueueHandle_t xQueue,
 199                                    BaseType_t xNewQueue ) PRIVILEGED_FUNCTION;
 200 BaseType_t MPU_xQueueGenericGetStaticBuffers( QueueHandle_t xQueue,
 201                                               uint8_t ** ppucQueueStorage,
 202                                               StaticQueue_t ** ppxStaticQueue ) PRIVILEGED_FUNCTION;
 203 BaseType_t MPU_xQueueGenericSendFromISR( QueueHandle_t xQueue,
 204                                          const void * const pvItemToQueue,
 205                                          BaseType_t * const pxHigherPriorityTaskWoken,
 206                                          const BaseType_t xCopyPosition ) PRIVILEGED_FUNCTION;
 207 BaseType_t MPU_xQueueGiveFromISR( QueueHandle_t xQueue,
 208                                   BaseType_t * const pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 209 BaseType_t MPU_xQueuePeekFromISR( QueueHandle_t xQueue,
 210                                   void * const pvBuffer ) PRIVILEGED_FUNCTION;
 211 BaseType_t MPU_xQueueReceiveFromISR( QueueHandle_t xQueue,
 212                                      void * const pvBuffer,
 213                                      BaseType_t * const pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 214 BaseType_t MPU_xQueueIsQueueEmptyFromISR( const QueueHandle_t xQueue ) PRIVILEGED_FUNCTION;
 215 BaseType_t MPU_xQueueIsQueueFullFromISR( const QueueHandle_t xQueue ) PRIVILEGED_FUNCTION;
 216 UBaseType_t MPU_uxQueueMessagesWaitingFromISR( const QueueHandle_t xQueue ) PRIVILEGED_FUNCTION;
 217 TaskHandle_t MPU_xQueueGetMutexHolderFromISR( QueueHandle_t xSemaphore ) PRIVILEGED_FUNCTION;
 218 QueueSetMemberHandle_t MPU_xQueueSelectFromSetFromISR( QueueSetHandle_t xQueueSet ) PRIVILEGED_FUNCTION;
 219
 220 /* MPU versions of timers.h API functions. */
 221 void * MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL;
 222 void MPU_vTimerSetTimerID( TimerHandle_t xTimer,
 223                            void * pvNewID ) FREERTOS_SYSTEM_CALL;
 224 BaseType_t MPU_xTimerIsTimerActive( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL;
 225 TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ) FREERTOS_SYSTEM_CALL;
 226 BaseType_t MPU_xTimerGenericCommand( TimerHandle_t xTimer,
 227                                      const BaseType_t xCommandID,
 228                                      const TickType_t xOptionalValue,
 229                                      BaseType_t * const pxHigherPriorityTaskWoken,
 230                                      const TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 231 const char * MPU_pcTimerGetName( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL;
 232 void MPU_vTimerSetReloadMode( TimerHandle_t xTimer,
 233                               const UBaseType_t uxAutoReload ) FREERTOS_SYSTEM_CALL;
 234 BaseType_t MPU_xTimerGetReloadMode( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL;
 235 UBaseType_t MPU_uxTimerGetReloadMode( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL;
 236 TickType_t MPU_xTimerGetPeriod( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL;
 237 TickType_t MPU_xTimerGetExpiryTime( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL;
 238
 239 /* Privileged only wrappers for Timer APIs. These are needed so that
 240  * the application can use opaque handles maintained in mpu_wrappers.c
 241  * with all the APIs. */
 242 TimerHandle_t MPU_xTimerCreate( const char * const pcTimerName,
 243                                 const TickType_t xTimerPeriodInTicks,
 244                                 const UBaseType_t uxAutoReload,
 245                                 void * const pvTimerID,
 246                                 TimerCallbackFunction_t pxCallbackFunction ) PRIVILEGED_FUNCTION;
 247 TimerHandle_t MPU_xTimerCreateStatic( const char * const pcTimerName,
 248                                       const TickType_t xTimerPeriodInTicks,
 249                                       const UBaseType_t uxAutoReload,
 250                                       void * const pvTimerID,
 251                                       TimerCallbackFunction_t pxCallbackFunction,
 252                                       StaticTimer_t * pxTimerBuffer ) PRIVILEGED_FUNCTION;
 253 BaseType_t MPU_xTimerGetStaticBuffer( TimerHandle_t xTimer,
 254                                       StaticTimer_t ** ppxTimerBuffer ) PRIVILEGED_FUNCTION;
 255
 256 /* MPU versions of event_group.h API functions. */
 257 EventBits_t MPU_xEventGroupWaitBits( EventGroupHandle_t xEventGroup,
 258                                      const EventBits_t uxBitsToWaitFor,
 259                                      const BaseType_t xClearOnExit,
 260                                      const BaseType_t xWaitForAllBits,
 261                                      TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 262 EventBits_t MPU_xEventGroupClearBits( EventGroupHandle_t xEventGroup,
 263                                       const EventBits_t uxBitsToClear ) FREERTOS_SYSTEM_CALL;
 264 EventBits_t MPU_xEventGroupSetBits( EventGroupHandle_t xEventGroup,
 265                                     const EventBits_t uxBitsToSet ) FREERTOS_SYSTEM_CALL;
 266 EventBits_t MPU_xEventGroupSync( EventGroupHandle_t xEventGroup,
 267                                  const EventBits_t uxBitsToSet,
 268                                  const EventBits_t uxBitsToWaitFor,
 269                                  TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 270 #if ( configUSE_TRACE_FACILITY == 1 )
 271     UBaseType_t MPU_uxEventGroupGetNumber( void * xEventGroup ) FREERTOS_SYSTEM_CALL;
 272     void MPU_vEventGroupSetNumber( void * xEventGroup,
 273                                    UBaseType_t uxEventGroupNumber ) FREERTOS_SYSTEM_CALL;
 274 #endif /* ( configUSE_TRACE_FACILITY == 1 )*/
 275
 276 /* Privileged only wrappers for Event Group APIs. These are needed so that
 277  * the application can use opaque handles maintained in mpu_wrappers.c
 278  * with all the APIs. */
 279 EventGroupHandle_t MPU_xEventGroupCreate( void ) PRIVILEGED_FUNCTION;
 280 EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t * pxEventGroupBuffer ) PRIVILEGED_FUNCTION;
 281 void MPU_vEventGroupDelete( EventGroupHandle_t xEventGroup ) PRIVILEGED_FUNCTION;
 282 BaseType_t MPU_xEventGroupGetStaticBuffer( EventGroupHandle_t xEventGroup,
 283                                            StaticEventGroup_t ** ppxEventGroupBuffer ) PRIVILEGED_FUNCTION;
 284 BaseType_t MPU_xEventGroupClearBitsFromISR( EventGroupHandle_t xEventGroup,
 285                                             const EventBits_t uxBitsToClear ) PRIVILEGED_FUNCTION;
 286 BaseType_t MPU_xEventGroupSetBitsFromISR( EventGroupHandle_t xEventGroup,
 287                                           const EventBits_t uxBitsToSet,
 288                                           BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 289 EventBits_t MPU_xEventGroupGetBitsFromISR( EventGroupHandle_t xEventGroup ) PRIVILEGED_FUNCTION;
 290
 291 /* MPU versions of message/stream_buffer.h API functions. */
 292 size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer,
 293                               const void * pvTxData,
 294                               size_t xDataLengthBytes,
 295                               TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 296 size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer,
 297                                  void * pvRxData,
 298                                  size_t xBufferLengthBytes,
 299                                  TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL;
 300 BaseType_t MPU_xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL;
 301 BaseType_t MPU_xStreamBufferIsEmpty( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL;
 302 size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL;
 303 size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL;
 304 BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer,
 305                                              size_t xTriggerLevel ) FREERTOS_SYSTEM_CALL;
 306 size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL;
 307
 308 /* Privileged only wrappers for Stream Buffer APIs. These are needed so that
 309  * the application can use opaque handles maintained in mpu_wrappers.c
 310  * with all the APIs. */
 311 StreamBufferHandle_t MPU_xStreamBufferGenericCreate( size_t xBufferSizeBytes,
 312                                                      size_t xTriggerLevelBytes,
 313                                                      BaseType_t xIsMessageBuffer,
 314                                                      StreamBufferCallbackFunction_t pxSendCompletedCallback,
 315                                                      StreamBufferCallbackFunction_t pxReceiveCompletedCallback ) PRIVILEGED_FUNCTION;
 316 StreamBufferHandle_t MPU_xStreamBufferGenericCreateStatic( size_t xBufferSizeBytes,
 317                                                            size_t xTriggerLevelBytes,
 318                                                            BaseType_t xIsMessageBuffer,
 319                                                            uint8_t * const pucStreamBufferStorageArea,
 320                                                            StaticStreamBuffer_t * const pxStaticStreamBuffer,
 321                                                            StreamBufferCallbackFunction_t pxSendCompletedCallback,
 322                                                            StreamBufferCallbackFunction_t pxReceiveCompletedCallback ) PRIVILEGED_FUNCTION;
 323 void MPU_vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer ) PRIVILEGED_FUNCTION;
 324 BaseType_t MPU_xStreamBufferReset( StreamBufferHandle_t xStreamBuffer ) PRIVILEGED_FUNCTION;
 325 BaseType_t MPU_xStreamBufferGetStaticBuffers( StreamBufferHandle_t xStreamBuffers,
 326                                               uint8_t * ppucStreamBufferStorageArea,
 327                                               StaticStreamBuffer_t * ppxStaticStreamBuffer ) PRIVILEGED_FUNCTION;
 328 size_t MPU_xStreamBufferSendFromISR( StreamBufferHandle_t xStreamBuffer,
 329                                      const void * pvTxData,
 330                                      size_t xDataLengthBytes,
 331                                      BaseType_t * const pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 332 size_t MPU_xStreamBufferReceiveFromISR( StreamBufferHandle_t xStreamBuffer,
 333                                         void * pvRxData,
 334                                         size_t xBufferLengthBytes,
 335                                         BaseType_t * const pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 336 BaseType_t MPU_xStreamBufferSendCompletedFromISR( StreamBufferHandle_t xStreamBuffer,
 337                                                   BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 338 BaseType_t MPU_xStreamBufferReceiveCompletedFromISR( StreamBufferHandle_t xStreamBuffer,
 339                                                      BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION;
 340
 341 #endif /* MPU_PROTOTYPES_H */