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atomkernel.c: Comment change to reflect new behaviour needed for Cortex-M.

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Kelvin Lawson
2015-08-08 01:37:00 +01:00
parent 05329c53e3
commit a24ff4c713
1 changed files with 6 additions and 16 deletions
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22
kernel/atomkernel.c
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@@ -342,26 +342,16 @@ static void atomThreadSwitch(ATOM_TCB *old_tcb, ATOM_TCB *new_tcb)
/* Set the new currently-running thread pointer */
curr_tcb = new_tcb;
/* TKL: If the thread is being scheduled in, it can not be suspended */
curr_tcb->suspended = FALSE;
/**
* The context switch will shift execution to a different thread. The
* new thread is now ready to run so clear its suspend status in
* preparation for it waking up.
*/
new_tcb->suspended = FALSE;
/* Call the architecture-specific context switch */
archContextSwitch (old_tcb, new_tcb);
}
/**
* The context switch shifted execution to a different thread. By the time
* we get back here, we are running in old_tcb context again. Clear its
* suspend status now that we're back.
*/
/**
* TKL: does not work on Cortex-M because of the delayed context switching
* via pend_sv_handler and also the separate thread and exception stacks
* being used.
*/
// old_tcb->suspended = FALSE;
}