mirror of https://github.com/F-Stack/f-stack.git
53 lines
2.3 KiB
C
53 lines
2.3 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Freescale Semiconductor nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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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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#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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