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Linux/arch/c6x/include/asm/cacheflush.h

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  1 /* SPDX-License-Identifier: GPL-2.0-only */
  2 /*
  3  *  Port on Texas Instruments TMS320C6x architecture
  4  *
  5  *  Copyright (C) 2004, 2009, 2010 Texas Instruments Incorporated
  6  *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
  7  */
  8 #ifndef _ASM_C6X_CACHEFLUSH_H
  9 #define _ASM_C6X_CACHEFLUSH_H
 10 
 11 #include <linux/spinlock.h>
 12 
 13 #include <asm/setup.h>
 14 #include <asm/cache.h>
 15 #include <asm/mman.h>
 16 #include <asm/page.h>
 17 #include <asm/string.h>
 18 
 19 /*
 20  * physically-indexed cache management
 21  */
 22 #define flush_icache_range(s, e)                                  \
 23 do {                                                              \
 24                 L1D_cache_block_writeback((s), (e));              \
 25                 L1P_cache_block_invalidate((s), (e));             \
 26 } while (0)
 27 
 28 #define flush_icache_page(vma, page)                                      \
 29 do {                                                              \
 30         if ((vma)->vm_flags & PROT_EXEC)                                  \
 31                 L1D_cache_block_writeback_invalidate(page_address(page),  \
 32                         (unsigned long) page_address(page) + PAGE_SIZE)); \
 33                 L1P_cache_block_invalidate(page_address(page),            \
 34                         (unsigned long) page_address(page) + PAGE_SIZE)); \
 35 } while (0)
 36 
 37 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
 38 do {                                                 \
 39         memcpy(dst, src, len);                       \
 40         flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
 41 } while (0)
 42 
 43 #include <asm-generic/cacheflush.h>
 44 
 45 #endif /* _ASM_C6X_CACHEFLUSH_H */
 46 

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