projects / thirdparty / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 6bc9a396 CL |
2 | #ifndef _ASM_SCORE_CACHEFLUSH_H |
| 3 | #define _ASM_SCORE_CACHEFLUSH_H | |
| 4 | ||
| 5 | /* Keep includes the same across arches. */ | |
| 6 | #include <linux/mm.h> | |
| 7 | ||
| 0402c91a CL |
8 | extern void flush_cache_all(void); |
| 9 | extern void flush_cache_mm(struct mm_struct *mm); | |
| 10 | extern void flush_cache_range(struct vm_area_struct *vma, | |
| 6bc9a396 | 11 | unsigned long start, unsigned long end); |
| 0402c91a | 12 | extern void flush_cache_page(struct vm_area_struct *vma, |
| 6bc9a396 | 13 | unsigned long page, unsigned long pfn); |
| 0402c91a CL |
14 | extern void flush_cache_sigtramp(unsigned long addr); |
| 15 | extern void flush_icache_all(void); | |
| 16 | extern void flush_icache_range(unsigned long start, unsigned long end); | |
| 17 | extern void flush_dcache_range(unsigned long start, unsigned long end); | |
| 11ab3f3d CL |
18 | extern void flush_dcache_page(struct page *page); |
| 19 | ||
| 20 | #define PG_dcache_dirty PG_arch_1 | |
| 6bc9a396 CL |
21 | |
| 22 | #define flush_cache_dup_mm(mm) do {} while (0) | |
| 2d4dc890 | 23 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 |
| 6bc9a396 CL |
24 | #define flush_dcache_mmap_lock(mapping) do {} while (0) |
| 25 | #define flush_dcache_mmap_unlock(mapping) do {} while (0) | |
| 26 | #define flush_cache_vmap(start, end) do {} while (0) | |
| 27 | #define flush_cache_vunmap(start, end) do {} while (0) | |
| 28 | ||
| 29 | static inline void flush_icache_page(struct vm_area_struct *vma, | |
| 30 | struct page *page) | |
| 31 | { | |
| 32 | if (vma->vm_flags & VM_EXEC) { | |
| 33 | void *v = page_address(page); | |
| 34 | flush_icache_range((unsigned long) v, | |
| 35 | (unsigned long) v + PAGE_SIZE); | |
| 36 | } | |
| 37 | } | |
| 38 | ||
| 39 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | |
| 40 | memcpy(dst, src, len) | |
| 41 | ||
| 42 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | |
| 43 | do { \ | |
| 44 | memcpy(dst, src, len); \ | |
| 45 | if ((vma->vm_flags & VM_EXEC)) \ | |
| 46 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ | |
| 47 | } while (0) | |
| 48 | ||
| 49 | #endif /* _ASM_SCORE_CACHEFLUSH_H */ |