arch/sparc/include/asm/cacheflush_32.h

   1 #ifndef _SPARC_CACHEFLUSH_H
   2 #define _SPARC_CACHEFLUSH_H
   3
   4 #include <asm/cachetlb_32.h>
   5
   6 #define flush_cache_all() \
   7         sparc32_cachetlb_ops->cache_all()
   8 #define flush_cache_mm(mm) \
   9         sparc32_cachetlb_ops->cache_mm(mm)
  10 #define flush_cache_dup_mm(mm) \
  11         sparc32_cachetlb_ops->cache_mm(mm)
  12 #define flush_cache_range(vma,start,end) \
  13         sparc32_cachetlb_ops->cache_range(vma, start, end)
  14 #define flush_cache_page(vma,addr,pfn) \
  15         sparc32_cachetlb_ops->cache_page(vma, addr)
  16 #define flush_icache_range(start, end)          do { } while (0)
  17 #define flush_icache_page(vma, pg)              do { } while (0)
  18
  19 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
  20
  21 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
  22         do {                                                    \
  23                 flush_cache_page(vma, vaddr, page_to_pfn(page));\
  24                 memcpy(dst, src, len);                          \
  25         } while (0)
  26 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
  27         do {                                                    \
  28                 flush_cache_page(vma, vaddr, page_to_pfn(page));\
  29                 memcpy(dst, src, len);                          \
  30         } while (0)
  31
  32 #define __flush_page_to_ram(addr) \
  33         sparc32_cachetlb_ops->page_to_ram(addr)
  34 #define flush_sig_insns(mm,insn_addr) \
  35         sparc32_cachetlb_ops->sig_insns(mm, insn_addr)
  36 #define flush_page_for_dma(addr) \
  37         sparc32_cachetlb_ops->page_for_dma(addr)
  38
  39 extern void sparc_flush_page_to_ram(struct page *page);
  40
  41 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
  42 #define flush_dcache_page(page)                 sparc_flush_page_to_ram(page)
  43 #define flush_dcache_mmap_lock(mapping)         do { } while (0)
  44 #define flush_dcache_mmap_unlock(mapping)       do { } while (0)
  45
  46 #define flush_cache_vmap(start, end)            flush_cache_all()
  47 #define flush_cache_vunmap(start, end)          flush_cache_all()
  48
  49 /* When a context switch happens we must flush all user windows so that
  50  * the windows of the current process are flushed onto its stack. This
  51  * way the windows are all clean for the next process and the stack
  52  * frames are up to date.
  53  */
  54 extern void flush_user_windows(void);
  55 extern void kill_user_windows(void);
  56 extern void flushw_all(void);
  57
  58 #endif /* _SPARC_CACHEFLUSH_H */