55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
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/*
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* Copyright (C) 2018 Marcus Comstedt
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef BSP_CACHE_H_
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#define BSP_CACHE_H_
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#include <stdint.h>
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static inline void Fx3CacheInvalidateICacheAndDCache(void)
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{
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__asm__ __volatile__("mcr p15, 0, %0, c7, c7, 0" : : "r"(0));
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}
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static inline void Fx3CacheInvalidateICache(void)
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{
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__asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0" : : "r"(0));
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}
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static inline void Fx3CacheCleanDCache(void)
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{
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__asm__ __volatile__("1: mrc p15, 0, r15, c7, c10, 3; bne 1b" ::: "cc");
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}
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static inline void Fx3CacheCleanDCacheEntry(volatile void *ptr)
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{
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__asm__ __volatile__("mcr p15, 0, %0, c7, c10, 1" : : "r"(((uint32_t)ptr) & ~0x1FUL));
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}
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static inline void Fx3CacheInvalidateDCacheEntry(volatile void *ptr)
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{
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__asm__ __volatile__("mcr p15, 0, %0, c7, c6, 1" : : "r"(((uint32_t)ptr) & ~0x1FUL));
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}
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extern void Fx3CacheEnableCaches(void);
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#endif /* BSP_CACHE_H_ */
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