diff options
Diffstat (limited to 'src/include/cpu')
| -rw-r--r-- | src/include/cpu/x86/mp.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/include/cpu/x86/mp.h b/src/include/cpu/x86/mp.h index b9b4d5772c..0671b62551 100644 --- a/src/include/cpu/x86/mp.h +++ b/src/include/cpu/x86/mp.h @@ -150,5 +150,15 @@ int mp_park_aps(void); void smm_initiate_relocation_parallel(void); /* Send SMI to self with single execution. */ void smm_initiate_relocation(void); +/* Make a CPU wait until the barrier is released */ +void barrier_wait(atomic_t *b); +/* + * Make a CPU wait until the barrier is released, or timeout occurs + * returns 1 if timeout occurs before barier is released. + * returns 0 if barrier is released before timeout. + */ +int barrier_wait_timeout(atomic_t *b, uint32_t timeout_ms); +/* Release a barrier so that other CPUs waiting for that barrier can continue */ +void release_barrier(atomic_t *b); #endif /* _X86_MP_H_ */ |