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Linux/arch/sparc/include/asm/cacheflush_32.h

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  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 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 void flush_user_windows(void);
 55 void kill_user_windows(void);
 56 void flushw_all(void);
 57 
 58 #endif /* _SPARC_CACHEFLUSH_H */
 59 

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