X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Finclude%2Farch%2Farm%2Frte_prefetch_32.h;fp=lib%2Flibrte_eal%2Fcommon%2Finclude%2Farch%2Farm%2Frte_prefetch_32.h;h=5aeed22d057447ad34424496c731154a4253e018;hb=97f17497d162afdb82c8704bf097f0fee3724b2e;hp=0000000000000000000000000000000000000000;hpb=e04be89c2409570e0055b2cda60bd11395bb93b0;p=deb_dpdk.git diff --git a/lib/librte_eal/common/include/arch/arm/rte_prefetch_32.h b/lib/librte_eal/common/include/arch/arm/rte_prefetch_32.h new file mode 100644 index 00000000..5aeed22d --- /dev/null +++ b/lib/librte_eal/common/include/arch/arm/rte_prefetch_32.h @@ -0,0 +1,67 @@ +/* + * BSD LICENSE + * + * Copyright(c) 2015 RehiveTech. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of RehiveTech nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _RTE_PREFETCH_ARM32_H_ +#define _RTE_PREFETCH_ARM32_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "generic/rte_prefetch.h" + +static inline void rte_prefetch0(const volatile void *p) +{ + asm volatile ("pld [%0]" : : "r" (p)); +} + +static inline void rte_prefetch1(const volatile void *p) +{ + asm volatile ("pld [%0]" : : "r" (p)); +} + +static inline void rte_prefetch2(const volatile void *p) +{ + asm volatile ("pld [%0]" : : "r" (p)); +} + +static inline void rte_prefetch_non_temporal(const volatile void *p) +{ + /* non-temporal version not available, fallback to rte_prefetch0 */ + rte_prefetch0(p); +} + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_PREFETCH_ARM32_H_ */