1 #ifndef _SPARC64_CACHEFLUSH_H
2 #define _SPARC64_CACHEFLUSH_H
4 #include <linux/config.h>
7 /* Cache flush operations. */
9 /* These are the same regardless of whether this is an SMP kernel or not. */
10 #define flush_cache_mm(__mm) \
11 do { if ((__mm) == current->mm) flushw_user(); } while(0)
12 #define flush_cache_range(vma, start, end) \
13 flush_cache_mm((vma)->vm_mm)
14 #define flush_cache_page(vma, page) \
15 flush_cache_mm((vma)->vm_mm)
18 * On spitfire, the icache doesn't snoop local stores and we don't
19 * use block commit stores (which invalidate icache lines) during
20 * module load, so we need this.
22 extern void flush_icache_range(unsigned long start, unsigned long end);
24 extern void __flush_dcache_page(void *addr, int flush_icache);
25 extern void __flush_icache_page(unsigned long);
26 extern void flush_dcache_page_impl(struct page *page);
28 extern void smp_flush_dcache_page_impl(struct page *page, int cpu);
29 extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page);
31 #define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page)
32 #define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page)
35 extern void __flush_dcache_range(unsigned long start, unsigned long end);
37 #define flush_icache_page(vma, pg) do { } while(0)
38 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
40 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
42 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
45 extern void flush_dcache_page(struct page *page);
46 #define flush_dcache_mmap_lock(mapping) do { } while (0)
47 #define flush_dcache_mmap_unlock(mapping) do { } while (0)
49 #define flush_cache_vmap(start, end) do { } while (0)
50 #define flush_cache_vunmap(start, end) do { } while (0)
52 #endif /* _SPARC64_CACHEFLUSH_H */