/*- * BSD LICENSE * * Copyright (C) 2014-2016 Freescale Semiconductor, Inc. * * 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 Freescale Semiconductor 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 Freescale Semiconductor ``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 Freescale Semiconductor 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. */ #include #include /* Sanity check */ #if (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__) && \ (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__) #error "Unknown endianness!" #endif /****************/ /* arch assists */ /****************/ #define dcbz(p) { asm volatile("dc zva, %0" : : "r" (p) : "memory"); } #define lwsync() { asm volatile("dmb st" : : : "memory"); } #define dcbf(p) { asm volatile("dc cvac, %0" : : "r"(p) : "memory"); } #define dccivac(p) { asm volatile("dc civac, %0" : : "r"(p) : "memory"); } static inline void prefetch_for_load(void *p) { asm volatile("prfm pldl1keep, [%0, #0]" : : "r" (p)); } static inline void prefetch_for_store(void *p) { asm volatile("prfm pstl1keep, [%0, #0]" : : "r" (p)); }