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Possible thread stack implementation.

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Architecture provides a function for thread stack base, thread code uses it.
Build and boot tested on Falco with multitasking on and off.

Change-Id: I5016fab47f9954379acf7702ac7965b0a70c88ed
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/66578
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Ronald G. Minnich <rminnich@chromium.org>
Tested-by: Ronald G. Minnich <rminnich@chromium.org>
(cherry picked from commit 3c6afef30c1a0ad6fba0fb76acc792184d924247)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6513
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Ronald G. Minnich
2013-08-21 16:03:32 -07:00
committed by Isaac Christensen
parent 0ffa11bdbb
commit 34352d16a9
3 changed files with 16 additions and 2 deletions
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5
src/include/thread.h
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@ -38,6 +38,11 @@ struct thread {
};
void threads_initialize(void);
/* Get the base of the thread stacks.
* Returns pointer to CONFIG_NUM_THREADS*CONFIG_STACK_SIZE contiguous bytes
* aligned to CONFIG_STACK_SIZE, or NULL.
*/
void *arch_get_thread_stackbase(void);
/* Run func(arrg) on a new thread. Return 0 on successful start of thread, < 0
* when thread could not be started. Note that the thread will block the
* current state in the boot state machine until it is complete. */