1 /* SPDX-License-Identifier: GPL-2.0 */
3 #ifndef __ABI_CSKY_CACHEFLUSH_H
4 #define __ABI_CSKY_CACHEFLUSH_H
7 #include <asm/string.h>
10 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
11 extern void flush_dcache_page(struct page *);
13 #define flush_cache_mm(mm) dcache_wbinv_all()
14 #define flush_cache_page(vma, page, pfn) cache_wbinv_all()
15 #define flush_cache_dup_mm(mm) cache_wbinv_all()
17 #define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages)
18 #define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages)
20 #define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1
21 static inline void flush_kernel_vmap_range(void *addr, int size)
25 static inline void invalidate_kernel_vmap_range(void *addr, int size)
30 #define ARCH_HAS_FLUSH_ANON_PAGE
31 static inline void flush_anon_page(struct vm_area_struct *vma,
32 struct page *page, unsigned long vmaddr)
39 * if (current_mm != vma->mm) cache_wbinv_range(start, end) will be broken.
40 * Use cache_wbinv_all() here and need to be improved in future.
42 extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
43 #define flush_cache_vmap(start, end) cache_wbinv_all()
44 #define flush_cache_vunmap(start, end) cache_wbinv_all()
46 #define flush_icache_page(vma, page) do {} while (0);
47 #define flush_icache_range(start, end) cache_wbinv_range(start, end)
48 #define flush_icache_mm_range(mm, start, end) cache_wbinv_range(start, end)
49 #define flush_icache_deferred(mm) do {} while (0);
51 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
53 memcpy(dst, src, len); \
56 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
58 memcpy(dst, src, len); \
62 #endif /* __ABI_CSKY_CACHEFLUSH_H */