mirror of https://github.com/F-Stack/f-stack.git
89 lines
1.5 KiB
C
89 lines
1.5 KiB
C
/*
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* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (C) IBM Corporation 2014.
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*/
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#ifndef _RTE_SPINLOCK_PPC_64_H_
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#define _RTE_SPINLOCK_PPC_64_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rte_common.h>
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#include <rte_pause.h>
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#include "generic/rte_spinlock.h"
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/* Fixme: Use intrinsics to implement the spinlock on Power architecture */
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#ifndef RTE_FORCE_INTRINSICS
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static inline void
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rte_spinlock_lock(rte_spinlock_t *sl)
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{
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while (__sync_lock_test_and_set(&sl->locked, 1))
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while (sl->locked)
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rte_pause();
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}
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static inline void
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rte_spinlock_unlock(rte_spinlock_t *sl)
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{
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__sync_lock_release(&sl->locked);
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}
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static inline int
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rte_spinlock_trylock(rte_spinlock_t *sl)
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{
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return __sync_lock_test_and_set(&sl->locked, 1) == 0;
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}
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#endif
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static inline int rte_tm_supported(void)
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{
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return 0;
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}
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static inline void
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rte_spinlock_lock_tm(rte_spinlock_t *sl)
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{
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rte_spinlock_lock(sl); /* fall-back */
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}
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static inline int
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rte_spinlock_trylock_tm(rte_spinlock_t *sl)
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{
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return rte_spinlock_trylock(sl);
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}
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static inline void
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rte_spinlock_unlock_tm(rte_spinlock_t *sl)
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{
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rte_spinlock_unlock(sl);
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}
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static inline void
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rte_spinlock_recursive_lock_tm(rte_spinlock_recursive_t *slr)
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{
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rte_spinlock_recursive_lock(slr); /* fall-back */
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}
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static inline void
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rte_spinlock_recursive_unlock_tm(rte_spinlock_recursive_t *slr)
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{
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rte_spinlock_recursive_unlock(slr);
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}
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static inline int
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rte_spinlock_recursive_trylock_tm(rte_spinlock_recursive_t *slr)
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{
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return rte_spinlock_recursive_trylock(slr);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTE_SPINLOCK_PPC_64_H_ */
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