include/asm-sh64/cacheflush.h

   1 #ifndef __ASM_SH64_CACHEFLUSH_H
   2 #define __ASM_SH64_CACHEFLUSH_H
   3
   4 #ifndef __ASSEMBLY__
   5
   6 #include <asm/page.h>
   7
   8 struct vm_area_struct;
   9 struct page;
  10 struct mm_struct;
  11
  12 extern void flush_cache_all(void);
  13 extern void flush_cache_mm(struct mm_struct *mm);
  14 extern void flush_cache_sigtramp(unsigned long start, unsigned long end);
  15 extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
  16                               unsigned long end);
  17 extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
  18 extern void flush_dcache_page(struct page *pg);
  19 extern void flush_icache_range(unsigned long start, unsigned long end);
  20 extern void flush_icache_user_range(struct vm_area_struct *vma,
  21                                     struct page *page, unsigned long addr,
  22                                     int len);
  23
  24 #define flush_dcache_mmap_lock(mapping)         do { } while (0)
  25 #define flush_dcache_mmap_unlock(mapping)       do { } while (0)
  26
  27 #define flush_cache_vmap(start, end)            flush_cache_all()
  28 #define flush_cache_vunmap(start, end)          flush_cache_all()
  29
  30 #define flush_icache_page(vma, page)    do { } while (0)
  31
  32 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
  33         do {                                                    \
  34                 flush_cache_page(vma, vaddr, page_to_pfn(page));\
  35                 memcpy(dst, src, len);                          \
  36                 flush_icache_user_range(vma, page, vaddr, len); \
  37         } while (0)
  38
  39 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
  40         do {                                                    \
  41                 flush_cache_page(vma, vaddr, page_to_pfn(page));\
  42                 memcpy(dst, src, len);                          \
  43         } while (0)
  44
  45 #endif /* __ASSEMBLY__ */
  46
  47 #endif /* __ASM_SH64_CACHEFLUSH_H */
  48