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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-03-03 13:37:14 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-03-04 13:36:09 +0100 |
| commit | 5b0d2c1965e1dab2915231866aaa5623ced66330 (patch) | |
| tree | e425e0eb73815b874efbd946c80047341f304793 /cpukit/score/include/rtems/score/percpu.h | |
| parent | score: Add _Per_CPU_Is_boot_processor() (diff) | |
| download | rtems-5b0d2c1965e1dab2915231866aaa5623ced66330.tar.bz2 | |
score: Add _SMP_Before_multitasking_action()
The use case for this is the Cortex-A9 MPCore which has per-processor
registers (only accessible by a particular processor) for the global
timer used by the clock driver. This might be useful for other drivers
as well.
Update #2554.
Diffstat (limited to '')
| -rw-r--r-- | cpukit/score/include/rtems/score/percpu.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/percpu.h b/cpukit/score/include/rtems/score/percpu.h index 19f46d2725..39be1e3367 100644 --- a/cpukit/score/include/rtems/score/percpu.h +++ b/cpukit/score/include/rtems/score/percpu.h @@ -361,6 +361,14 @@ typedef struct Per_CPU_Control { Per_CPU_State state; /** + * @brief Action to be executed by this processor in the + * SYSTEM_STATE_BEFORE_MULTITASKING state on behalf of the boot processor. + * + * @see _SMP_Before_multitasking_action(). + */ + Atomic_Uintptr before_multitasking_action; + + /** * @brief Indicates if the processor has been successfully started via * _CPU_SMP_Start_processor(). */ |