218 lines
13 KiB
C
218 lines
13 KiB
C
/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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#ifndef MPU_WRAPPERS_H
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#define MPU_WRAPPERS_H
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/* This file redefines API functions to be called through a wrapper macro, but
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* only for ports that are using the MPU. */
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#if ( portUSING_MPU_WRAPPERS == 1 )
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/* MPU_WRAPPERS_INCLUDED_FROM_API_FILE will be defined when this file is
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* included from queue.c or task.c to prevent it from having an effect within
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* those files. */
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#ifndef MPU_WRAPPERS_INCLUDED_FROM_API_FILE
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/*
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* Map standard (non MPU) API functions to equivalents that start
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* "MPU_". This will cause the application code to call the MPU_
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* version, which wraps the non-MPU version with privilege promoting
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* then demoting code, so the kernel code always runs will full
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* privileges.
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*/
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/* Map standard task.h API functions to the MPU equivalents. */
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#define xTaskCreate MPU_xTaskCreate
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#define xTaskCreateStatic MPU_xTaskCreateStatic
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#define vTaskDelete MPU_vTaskDelete
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#define vTaskDelay MPU_vTaskDelay
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#define xTaskDelayUntil MPU_xTaskDelayUntil
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#define xTaskAbortDelay MPU_xTaskAbortDelay
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#define uxTaskPriorityGet MPU_uxTaskPriorityGet
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#define eTaskGetState MPU_eTaskGetState
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#define vTaskGetInfo MPU_vTaskGetInfo
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#define vTaskPrioritySet MPU_vTaskPrioritySet
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#define vTaskSuspend MPU_vTaskSuspend
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#define vTaskResume MPU_vTaskResume
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#define vTaskSuspendAll MPU_vTaskSuspendAll
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#define xTaskResumeAll MPU_xTaskResumeAll
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#define xTaskGetTickCount MPU_xTaskGetTickCount
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#define uxTaskGetNumberOfTasks MPU_uxTaskGetNumberOfTasks
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#define pcTaskGetName MPU_pcTaskGetName
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#define xTaskGetHandle MPU_xTaskGetHandle
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#define uxTaskGetStackHighWaterMark MPU_uxTaskGetStackHighWaterMark
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#define uxTaskGetStackHighWaterMark2 MPU_uxTaskGetStackHighWaterMark2
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#define vTaskSetApplicationTaskTag MPU_vTaskSetApplicationTaskTag
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#define xTaskGetApplicationTaskTag MPU_xTaskGetApplicationTaskTag
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#define vTaskSetThreadLocalStoragePointer MPU_vTaskSetThreadLocalStoragePointer
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#define pvTaskGetThreadLocalStoragePointer MPU_pvTaskGetThreadLocalStoragePointer
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#define xTaskCallApplicationTaskHook MPU_xTaskCallApplicationTaskHook
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#define xTaskGetIdleTaskHandle MPU_xTaskGetIdleTaskHandle
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#define uxTaskGetSystemState MPU_uxTaskGetSystemState
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#define vTaskList MPU_vTaskList
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#define vTaskGetRunTimeStats MPU_vTaskGetRunTimeStats
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#define ulTaskGetIdleRunTimeCounter MPU_ulTaskGetIdleRunTimeCounter
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#define ulTaskGetIdleRunTimePercent MPU_ulTaskGetIdleRunTimePercent
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#define xTaskGenericNotify MPU_xTaskGenericNotify
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#define xTaskGenericNotifyWait MPU_xTaskGenericNotifyWait
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#define ulTaskGenericNotifyTake MPU_ulTaskGenericNotifyTake
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#define xTaskGenericNotifyStateClear MPU_xTaskGenericNotifyStateClear
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#define ulTaskGenericNotifyValueClear MPU_ulTaskGenericNotifyValueClear
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#define xTaskCatchUpTicks MPU_xTaskCatchUpTicks
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#define xTaskGetCurrentTaskHandle MPU_xTaskGetCurrentTaskHandle
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#define vTaskSetTimeOutState MPU_vTaskSetTimeOutState
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#define xTaskCheckForTimeOut MPU_xTaskCheckForTimeOut
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#define xTaskGetSchedulerState MPU_xTaskGetSchedulerState
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/* Map standard queue.h API functions to the MPU equivalents. */
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#define xQueueGenericSend MPU_xQueueGenericSend
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#define xQueueReceive MPU_xQueueReceive
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#define xQueuePeek MPU_xQueuePeek
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#define xQueueSemaphoreTake MPU_xQueueSemaphoreTake
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#define uxQueueMessagesWaiting MPU_uxQueueMessagesWaiting
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#define uxQueueSpacesAvailable MPU_uxQueueSpacesAvailable
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#define vQueueDelete MPU_vQueueDelete
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#define xQueueCreateMutex MPU_xQueueCreateMutex
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#define xQueueCreateMutexStatic MPU_xQueueCreateMutexStatic
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#define xQueueCreateCountingSemaphore MPU_xQueueCreateCountingSemaphore
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#define xQueueCreateCountingSemaphoreStatic MPU_xQueueCreateCountingSemaphoreStatic
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#define xQueueGetMutexHolder MPU_xQueueGetMutexHolder
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#define xQueueTakeMutexRecursive MPU_xQueueTakeMutexRecursive
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#define xQueueGiveMutexRecursive MPU_xQueueGiveMutexRecursive
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#define xQueueGenericCreate MPU_xQueueGenericCreate
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#define xQueueGenericCreateStatic MPU_xQueueGenericCreateStatic
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#define xQueueCreateSet MPU_xQueueCreateSet
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#define xQueueAddToSet MPU_xQueueAddToSet
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#define xQueueRemoveFromSet MPU_xQueueRemoveFromSet
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#define xQueueSelectFromSet MPU_xQueueSelectFromSet
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#define xQueueGenericReset MPU_xQueueGenericReset
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#if ( configQUEUE_REGISTRY_SIZE > 0 )
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#define vQueueAddToRegistry MPU_vQueueAddToRegistry
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#define vQueueUnregisterQueue MPU_vQueueUnregisterQueue
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#define pcQueueGetName MPU_pcQueueGetName
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#endif
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/* Map standard timer.h API functions to the MPU equivalents. */
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#define xTimerCreate MPU_xTimerCreate
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#define xTimerCreateStatic MPU_xTimerCreateStatic
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#define pvTimerGetTimerID MPU_pvTimerGetTimerID
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#define vTimerSetTimerID MPU_vTimerSetTimerID
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#define xTimerIsTimerActive MPU_xTimerIsTimerActive
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#define xTimerGetTimerDaemonTaskHandle MPU_xTimerGetTimerDaemonTaskHandle
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#define xTimerPendFunctionCall MPU_xTimerPendFunctionCall
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#define pcTimerGetName MPU_pcTimerGetName
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#define vTimerSetReloadMode MPU_vTimerSetReloadMode
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#define uxTimerGetReloadMode MPU_uxTimerGetReloadMode
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#define xTimerGetPeriod MPU_xTimerGetPeriod
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#define xTimerGetExpiryTime MPU_xTimerGetExpiryTime
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#define xTimerGenericCommand MPU_xTimerGenericCommand
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/* Map standard event_group.h API functions to the MPU equivalents. */
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#define xEventGroupCreate MPU_xEventGroupCreate
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#define xEventGroupCreateStatic MPU_xEventGroupCreateStatic
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#define xEventGroupWaitBits MPU_xEventGroupWaitBits
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#define xEventGroupClearBits MPU_xEventGroupClearBits
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#define xEventGroupSetBits MPU_xEventGroupSetBits
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#define xEventGroupSync MPU_xEventGroupSync
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#define vEventGroupDelete MPU_vEventGroupDelete
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/* Map standard message/stream_buffer.h API functions to the MPU
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* equivalents. */
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#define xStreamBufferSend MPU_xStreamBufferSend
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#define xStreamBufferReceive MPU_xStreamBufferReceive
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#define xStreamBufferNextMessageLengthBytes MPU_xStreamBufferNextMessageLengthBytes
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#define vStreamBufferDelete MPU_vStreamBufferDelete
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#define xStreamBufferIsFull MPU_xStreamBufferIsFull
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#define xStreamBufferIsEmpty MPU_xStreamBufferIsEmpty
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#define xStreamBufferReset MPU_xStreamBufferReset
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#define xStreamBufferSpacesAvailable MPU_xStreamBufferSpacesAvailable
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#define xStreamBufferBytesAvailable MPU_xStreamBufferBytesAvailable
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#define xStreamBufferSetTriggerLevel MPU_xStreamBufferSetTriggerLevel
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#define xStreamBufferGenericCreate MPU_xStreamBufferGenericCreate
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#define xStreamBufferGenericCreateStatic MPU_xStreamBufferGenericCreateStatic
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/* Remove the privileged function macro, but keep the PRIVILEGED_DATA
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* macro so applications can place data in privileged access sections
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* (useful when using statically allocated objects). */
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#define PRIVILEGED_FUNCTION
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#define PRIVILEGED_DATA __attribute__( ( section( "privileged_data" ) ) )
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#define FREERTOS_SYSTEM_CALL
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#else /* MPU_WRAPPERS_INCLUDED_FROM_API_FILE */
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/* Ensure API functions go in the privileged execution section. */
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#define PRIVILEGED_FUNCTION __attribute__( ( section( "privileged_functions" ) ) )
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#define PRIVILEGED_DATA __attribute__( ( section( "privileged_data" ) ) )
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#define FREERTOS_SYSTEM_CALL __attribute__( ( section( "freertos_system_calls" ) ) )
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/**
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* @brief Calls the port specific code to raise the privilege.
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*
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* Sets xRunningPrivileged to pdFALSE if privilege was raised, else sets
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* it to pdTRUE.
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*/
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#define xPortRaisePrivilege( xRunningPrivileged ) \
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{ \
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/* Check whether the processor is already privileged. */ \
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xRunningPrivileged = portIS_PRIVILEGED(); \
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\
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/* If the processor is not already privileged, raise privilege. */ \
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if( xRunningPrivileged == pdFALSE ) \
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{ \
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portRAISE_PRIVILEGE(); \
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} \
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}
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/**
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* @brief If xRunningPrivileged is not pdTRUE, calls the port specific
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* code to reset the privilege, otherwise does nothing.
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*/
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#define vPortResetPrivilege( xRunningPrivileged ) \
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{ \
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if( xRunningPrivileged == pdFALSE ) \
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{ \
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portRESET_PRIVILEGE(); \
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} \
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}
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#endif /* MPU_WRAPPERS_INCLUDED_FROM_API_FILE */
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#else /* portUSING_MPU_WRAPPERS */
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#define PRIVILEGED_FUNCTION
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#define PRIVILEGED_DATA
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#define FREERTOS_SYSTEM_CALL
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#endif /* portUSING_MPU_WRAPPERS */
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#endif /* MPU_WRAPPERS_H */
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