LXR linux/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)                                  \
  23do {                                                              \
  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)                                      \
  29do {                                                              \
  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) \
  38do {                                                 \
  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