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score: Force Per_CPU_Control::executing alignment

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This fixes the CPU ports with relaxed alignment restrictions, e.g. type
alignment is less than the type size.

Close #2822.
Close #2823.
This commit is contained in:
Sebastian Huber
2016-11-23 07:52:42 +01:00
parent 3142727602
commit a550b3f35a
1 changed files with 7 additions and 0 deletions
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cpukit/score/include/rtems/score/percpu.h
+7
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@@ -334,6 +334,13 @@ typedef struct Per_CPU_Control {
*/
volatile bool dispatch_necessary;
/*
* Ensure that the executing member is at least 4-byte aligned, see
* PER_CPU_OFFSET_EXECUTING. This is necessary on CPU ports with relaxed
* alignment restrictions, e.g. type alignment is less than the type size.
*/
bool reserved_for_executing_alignment[ 3 ];
/**
* @brief This is the thread executing on this processor.
*