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@ -3,14 +3,14 @@
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation and modified by the FreeRTOS exception.
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**NOTE** The exception to the GPL is included to allow you to distribute a
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combined work that includes FreeRTOS without being obliged to provide the
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source code for proprietary components outside of the FreeRTOS kernel.
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Alternative commercial license and support terms are also available upon
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request. See the licensing section of http://www.FreeRTOS.org for full
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combined work that includes FreeRTOS without being obliged to provide the
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source code for proprietary components outside of the FreeRTOS kernel.
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Alternative commercial license and support terms are also available upon
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request. See the licensing section of http://www.FreeRTOS.org for full
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license details.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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@ -24,10 +24,10 @@
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***************************************************************************
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* *
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* Looking for a quick start? Then check out the FreeRTOS eBook! *
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* See http://www.FreeRTOS.org/Documentation for details *
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* *
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* *
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* Looking for a quick start? Then check out the FreeRTOS eBook! *
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* See http://www.FreeRTOS.org/Documentation for details *
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* *
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***************************************************************************
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1 tab == 4 spaces!
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@ -55,30 +55,15 @@
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*/
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#include <stdlib.h>
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/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining
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all the API functions to use the MPU wrappers. That should only be done when
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task.h is included from an application file. */
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#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE
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#include "FreeRTOS.h"
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#include "task.h"
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/* Setup the correct byte alignment mask for the defined byte alignment. */
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#if portBYTE_ALIGNMENT == 8
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#define heapBYTE_ALIGNMENT_MASK ( ( size_t ) 0x0007 )
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#endif
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#if portBYTE_ALIGNMENT == 4
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#define heapBYTE_ALIGNMENT_MASK ( ( size_t ) 0x0003 )
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#endif
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#if portBYTE_ALIGNMENT == 2
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#define heapBYTE_ALIGNMENT_MASK ( ( size_t ) 0x0001 )
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#endif
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#if portBYTE_ALIGNMENT == 1
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#define heapBYTE_ALIGNMENT_MASK ( ( size_t ) 0x0000 )
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#endif
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#ifndef heapBYTE_ALIGNMENT_MASK
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#error "Invalid portBYTE_ALIGNMENT definition"
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#endif
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#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE
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/* Allocate the memory for the heap. The struct is used to force byte
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alignment without using any non-portable code. */
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@ -88,7 +73,7 @@ static union xRTOS_HEAP
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volatile portDOUBLE dDummy;
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#else
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volatile unsigned portLONG ulDummy;
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#endif
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#endif
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unsigned portCHAR ucHeap[ configTOTAL_HEAP_SIZE ];
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} xHeap;
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@ -179,10 +164,10 @@ void *pvReturn = NULL;
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xWantedSize += heapSTRUCT_SIZE;
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/* Ensure that blocks are always aligned to the required number of bytes. */
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if( xWantedSize & heapBYTE_ALIGNMENT_MASK )
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if( xWantedSize & portBYTE_ALIGNMENT_MASK )
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{
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/* Byte alignment required. */
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xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & heapBYTE_ALIGNMENT_MASK ) );
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xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) );
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}
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}
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@ -216,12 +201,12 @@ void *pvReturn = NULL;
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following the number of bytes requested. The void cast is
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used to prevent byte alignment warnings from the compiler. */
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pxNewBlockLink = ( void * ) ( ( ( unsigned portCHAR * ) pxBlock ) + xWantedSize );
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/* Calculate the sizes of two blocks split from the single
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block. */
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pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize;
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pxBlock->xBlockSize = xWantedSize;
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pxNewBlockLink->xBlockSize = pxBlock->xBlockSize - xWantedSize;
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pxBlock->xBlockSize = xWantedSize;
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/* Insert the new block into the list of free blocks. */
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prvInsertBlockIntoFreeList( ( pxNewBlockLink ) );
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}
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@ -239,7 +224,7 @@ void *pvReturn = NULL;
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}
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}
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#endif
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return pvReturn;
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}
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/*-----------------------------------------------------------*/
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@ -259,7 +244,7 @@ xBlockLink *pxLink;
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pxLink = ( void * ) puc;
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vTaskSuspendAll();
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{
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{
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/* Add this block to the list of free blocks. */
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prvInsertBlockIntoFreeList( ( ( xBlockLink * ) pxLink ) );
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}
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