LXR linux/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
   8struct vm_area_struct;
   9struct page;
  10struct mm_struct;
  11
  12extern void flush_cache_all(void);
  13extern void flush_cache_mm(struct mm_struct *mm);
  14extern void flush_cache_sigtramp(unsigned long start, unsigned long end);
  15extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
  16                              unsigned long end);
  17extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
  18extern void flush_dcache_page(struct page *pg);
  19extern void flush_icache_range(unsigned long start, unsigned long end);
  20extern void flush_icache_user_range(struct vm_area_struct *vma,
  21                                    struct page *page, unsigned long addr,
  22                                    int len);
  23
  24#define flush_cache_dup_mm(mm)  flush_cache_mm(mm)
  25
  26#define flush_dcache_mmap_lock(mapping)         do { } while (0)
  27#define flush_dcache_mmap_unlock(mapping)       do { } while (0)
  28
  29#define flush_cache_vmap(start, end)            flush_cache_all()
  30#define flush_cache_vunmap(start, end)          flush_cache_all()
  31
  32#define flush_icache_page(vma, page)    do { } while (0)
  33
  34#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
  35        do {                                                    \
  36                flush_cache_page(vma, vaddr, page_to_pfn(page));\
  37                memcpy(dst, src, len);                          \
  38                flush_icache_user_range(vma, page, vaddr, len); \
  39        } while (0)
  40
  41#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
  42        do {                                                    \
  43                flush_cache_page(vma, vaddr, page_to_pfn(page));\
  44                memcpy(dst, src, len);                          \
  45        } while (0)
  46
  47#endif /* __ASSEMBLY__ */
  48
  49#endif /* __ASM_SH64_CACHEFLUSH_H */
  50
  51