2005-04-17 00:20:36 +02:00
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#ifndef __ASM_SH_CACHEFLUSH_H
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#define __ASM_SH_CACHEFLUSH_H
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2007-07-31 10:07:28 +02:00
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2005-04-17 00:20:36 +02:00
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#ifdef __KERNEL__
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2009-08-15 05:29:49 +02:00
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#include <linux/mm.h>
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2009-08-21 09:20:57 +02:00
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/*
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* Cache flushing:
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*
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* - flush_cache_all() flushes entire cache
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* - flush_cache_mm(mm) flushes the specified mm context's cache lines
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* - flush_cache_dup mm(mm) handles cache flushing when forking
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* - flush_cache_page(mm, vmaddr, pfn) flushes a single page
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* - flush_cache_range(vma, start, end) flushes a range of pages
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*
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* - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
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* - flush_icache_range(start, end) flushes(invalidates) a range for icache
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* - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
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* - flush_cache_sigtramp(vaddr) flushes the signal trampoline
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*/
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2009-08-21 10:23:14 +02:00
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extern void (*local_flush_cache_all)(void *args);
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extern void (*local_flush_cache_mm)(void *args);
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extern void (*local_flush_cache_dup_mm)(void *args);
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extern void (*local_flush_cache_page)(void *args);
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extern void (*local_flush_cache_range)(void *args);
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extern void (*local_flush_dcache_page)(void *args);
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extern void (*local_flush_icache_range)(void *args);
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extern void (*local_flush_icache_page)(void *args);
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extern void (*local_flush_cache_sigtramp)(void *args);
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static inline void cache_noop(void *args) { }
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2009-08-21 09:20:57 +02:00
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extern void (*__flush_wback_region)(void *start, int size);
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extern void (*__flush_purge_region)(void *start, int size);
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extern void (*__flush_invalidate_region)(void *start, int size);
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2005-04-17 00:20:36 +02:00
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2009-08-21 10:23:14 +02:00
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extern void flush_cache_all(void);
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extern void flush_cache_mm(struct mm_struct *mm);
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extern void flush_cache_dup_mm(struct mm_struct *mm);
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extern void flush_cache_page(struct vm_area_struct *vma,
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unsigned long addr, unsigned long pfn);
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extern void flush_cache_range(struct vm_area_struct *vma,
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unsigned long start, unsigned long end);
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2009-11-26 09:16:19 +01:00
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#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
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2009-08-21 10:23:14 +02:00
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extern void flush_dcache_page(struct page *page);
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extern void flush_icache_range(unsigned long start, unsigned long end);
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extern void flush_icache_page(struct vm_area_struct *vma,
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struct page *page);
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extern void flush_cache_sigtramp(unsigned long address);
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struct flusher_data {
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struct vm_area_struct *vma;
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unsigned long addr1, addr2;
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};
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2009-08-04 09:02:43 +02:00
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#define ARCH_HAS_FLUSH_ANON_PAGE
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extern void __flush_anon_page(struct page *page, unsigned long);
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static inline void flush_anon_page(struct vm_area_struct *vma,
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struct page *page, unsigned long vmaddr)
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{
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if (boot_cpu_data.dcache.n_aliases && PageAnon(page))
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__flush_anon_page(page, vmaddr);
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}
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2010-01-25 18:42:23 +01:00
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static inline void flush_kernel_vmap_range(void *addr, int size)
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{
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__flush_wback_region(addr, size);
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}
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static inline void invalidate_kernel_vmap_range(void *addr, int size)
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{
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__flush_invalidate_region(addr, size);
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}
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2009-08-04 09:02:43 +02:00
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2008-01-07 05:50:18 +01:00
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#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
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static inline void flush_kernel_dcache_page(struct page *page)
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{
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flush_dcache_page(page);
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}
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2007-11-05 08:18:16 +01:00
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extern void copy_to_user_page(struct vm_area_struct *vma,
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struct page *page, unsigned long vaddr, void *dst, const void *src,
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unsigned long len);
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2005-04-17 00:20:36 +02:00
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2007-11-05 08:18:16 +01:00
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extern void copy_from_user_page(struct vm_area_struct *vma,
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struct page *page, unsigned long vaddr, void *dst, const void *src,
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unsigned long len);
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2010-03-04 08:47:30 +01:00
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#define flush_cache_vmap(start, end) local_flush_cache_all(NULL)
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#define flush_cache_vunmap(start, end) local_flush_cache_all(NULL)
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2005-04-17 00:20:36 +02:00
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2009-08-15 04:25:32 +02:00
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#define flush_dcache_mmap_lock(mapping) do { } while (0)
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#define flush_dcache_mmap_unlock(mapping) do { } while (0)
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2009-08-15 02:19:19 +02:00
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void kmap_coherent_init(void);
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void *kmap_coherent(struct page *page, unsigned long addr);
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2009-09-03 10:21:10 +02:00
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void kunmap_coherent(void *kvaddr);
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2009-08-15 02:19:19 +02:00
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2009-08-15 02:49:32 +02:00
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#define PG_dcache_dirty PG_arch_1
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2009-08-15 04:05:42 +02:00
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void cpu_cache_init(void);
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2005-04-17 00:20:36 +02:00
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#endif /* __KERNEL__ */
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#endif /* __ASM_SH_CACHEFLUSH_H */
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