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Add missing stack alignment adjustment if stack grows upwards (#751)

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Signed-off-by: Chien Wong <m@xv97.com>
Co-authored-by: Gaurav-Aggarwal-AWS <33462878+aggarg@users.noreply.github.com>
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Chien Wong 2023-08-17 12:53:10 +08:00 committed by GitHub
parent bd720c316a
commit b1a85116bd
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1 changed files with 3 additions and 2 deletions
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5
tasks.c
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@ -1532,9 +1532,10 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
#else /* portSTACK_GROWTH */
{
pxTopOfStack = pxNewTCB->pxStack;
pxTopOfStack = ( StackType_t * ) ( ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack ) + portBYTE_ALIGNMENT_MASK ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) ); /*lint !e923 !e9033 !e9078 MISRA exception. Avoiding casts between pointers and integers is not practical. Size differences accounted for using portPOINTER_SIZE_TYPE type. Checked by assert(). */
/* Check the alignment of the stack buffer is correct. */
configASSERT( ( ( ( portPOINTER_SIZE_TYPE ) pxNewTCB->pxStack & ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) == 0UL ) );
/* Check the alignment of the calculated top of stack is correct. */
configASSERT( ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack & ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) == 0UL ) );
/* The other extreme of the stack space is required if stack checking is
* performed. */