mirror of https://github.com/F-Stack/f-stack.git
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
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*
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*/
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#ifndef _QBMAN_SYS_DECL_H_
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#define _QBMAN_SYS_DECL_H_
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#include <compat.h>
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#include <fsl_qbman_base.h>
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/* Sanity check */
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#if (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__) && \
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(__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
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#error "Unknown endianness!"
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#endif
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/****************/
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/* arch assists */
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/****************/
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#if defined(RTE_ARCH_ARM64)
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#define dcbz(p) { asm volatile("dc zva, %0" : : "r" (p) : "memory"); }
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#define lwsync() { asm volatile("dmb st" : : : "memory"); }
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#define dcbf(p) { asm volatile("dc cvac, %0" : : "r"(p) : "memory"); }
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#define dccivac(p) { asm volatile("dc civac, %0" : : "r"(p) : "memory"); }
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static inline void prefetch_for_load(void *p)
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{
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asm volatile("prfm pldl1keep, [%0, #0]" : : "r" (p));
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}
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static inline void prefetch_for_store(void *p)
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{
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asm volatile("prfm pstl1keep, [%0, #0]" : : "r" (p));
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}
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#elif defined(RTE_ARCH_ARM)
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#define dcbz(p) memset(p, 0, 64)
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#define lwsync() { asm volatile("dmb st" : : : "memory"); }
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#define dcbf(p) RTE_SET_USED(p)
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#define dccivac(p) RTE_SET_USED(p)
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#define prefetch_for_load(p) { asm volatile ("pld [%0]" : : "r" (p)); }
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#define prefetch_for_store(p) { asm volatile ("pld [%0]" : : "r" (p)); }
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#else
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#define dcbz(p) RTE_SET_USED(p)
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#define lwsync()
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#define dcbf(p) RTE_SET_USED(p)
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#define dccivac(p) RTE_SET_USED(p)
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static inline void prefetch_for_load(void *p)
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{
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RTE_SET_USED(p);
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}
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static inline void prefetch_for_store(void *p)
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{
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RTE_SET_USED(p);
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}
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#endif
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#endif /* _QBMAN_SYS_DECL_H_ */
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