46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
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#ifndef _ASM_SCORE_CACHEFLUSH_H
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#define _ASM_SCORE_CACHEFLUSH_H
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/* Keep includes the same across arches. */
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#include <linux/mm.h>
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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_range(struct vm_area_struct *vma,
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unsigned long start, unsigned long end);
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extern void flush_cache_page(struct vm_area_struct *vma,
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unsigned long page, unsigned long pfn);
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extern void flush_cache_sigtramp(unsigned long addr);
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extern void flush_icache_all(void);
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extern void flush_icache_range(unsigned long start, unsigned long end);
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extern void flush_dcache_range(unsigned long start, unsigned long end);
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#define flush_cache_dup_mm(mm) do {} while (0)
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#define flush_dcache_page(page) do {} while (0)
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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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#define flush_cache_vmap(start, end) do {} while (0)
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#define flush_cache_vunmap(start, end) do {} while (0)
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static inline void flush_icache_page(struct vm_area_struct *vma,
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struct page *page)
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{
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if (vma->vm_flags & VM_EXEC) {
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void *v = page_address(page);
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flush_icache_range((unsigned long) v,
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(unsigned long) v + PAGE_SIZE);
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}
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}
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#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
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memcpy(dst, src, len)
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#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
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do { \
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memcpy(dst, src, len); \
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if ((vma->vm_flags & VM_EXEC)) \
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flush_cache_page(vma, vaddr, page_to_pfn(page));\
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} while (0)
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#endif /* _ASM_SCORE_CACHEFLUSH_H */
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