mirror of https://github.com/F-Stack/f-stack.git
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2022 StarFive
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* Copyright(c) 2022 SiFive
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* Copyright(c) 2022 Semihalf
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* All rights reserved.
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*/
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#ifndef RTE_ATOMIC_RISCV_H
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#define RTE_ATOMIC_RISCV_H
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#ifndef RTE_FORCE_INTRINSICS
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# error Platform must be built with RTE_FORCE_INTRINSICS
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <rte_common.h>
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#include <rte_config.h>
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#include "generic/rte_atomic.h"
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#define rte_mb() asm volatile("fence rw, rw" : : : "memory")
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#define rte_wmb() asm volatile("fence w, w" : : : "memory")
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#define rte_rmb() asm volatile("fence r, r" : : : "memory")
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#define rte_smp_mb() rte_mb()
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#define rte_smp_wmb() rte_wmb()
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#define rte_smp_rmb() rte_rmb()
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#define rte_io_mb() asm volatile("fence iorw, iorw" : : : "memory")
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#define rte_io_wmb() asm volatile("fence orw, ow" : : : "memory")
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#define rte_io_rmb() asm volatile("fence ir, ir" : : : "memory")
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static __rte_always_inline void
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rte_atomic_thread_fence(int memorder)
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{
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__atomic_thread_fence(memorder);
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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_ATOMIC_RISCV_H */
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