kernel: Init back pointer to microkernel task
Fibers initialize this back pointer to NULL as they are (by definition) not microkernel tasks. Microkernel tasks initialize it to their corresponding 'ktask_t'. However for nanokernel systems, the back pointer is always NULL. This is because there is only one task in a nanokernel system (the background task) and it can not pend on a nanokernel object--it must poll. Change-Id: I9840fecc44224bef63d09d587d703720cf33ad57 Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
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8 changed files with 51 additions and 11 deletions
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@ -100,7 +100,8 @@ static ALWAYS_INLINE void _thread_monitor_init(struct tcs *tcs /* thread */
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* @return N/A
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*/
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void _new_thread(char *pStackMem, unsigned stackSize, _thread_entry_t pEntry,
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void _new_thread(char *pStackMem, unsigned stackSize,
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void *uk_task_ptr, _thread_entry_t pEntry,
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void *parameter1, void *parameter2, void *parameter3,
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int priority, unsigned options)
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{
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@ -143,6 +144,12 @@ void _new_thread(char *pStackMem, unsigned stackSize, _thread_entry_t pEntry,
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tcs->entry = (struct __thread_entry *)(pInitCtx);
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#endif
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#ifdef CONFIG_MICROKERNEL
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tcs->uk_task_ptr = uk_task_ptr;
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#else
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ARG_UNUSED(uk_task_ptr);
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#endif
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tcs->preempReg.psp = (uint32_t)pInitCtx;
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tcs->basepri = 0;
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