arch/c6x/include/asm/cacheflush.h

   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 */