cacheflush.h (a1c613ae4c322ddd58d5a8539dbfba2a0380a8c0) cacheflush.h (7a92fc8b4d20680e4c20289a670d8fca2d1f2c1b)
1/* SPDX-License-Identifier: GPL-2.0 */
2
3#ifndef __ABI_CSKY_CACHEFLUSH_H
4#define __ABI_CSKY_CACHEFLUSH_H
5
6#include <linux/mm.h>
7#include <asm/string.h>
8#include <asm/cache.h>

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38}
39
40/*
41 * if (current_mm != vma->mm) cache_wbinv_range(start, end) will be broken.
42 * Use cache_wbinv_all() here and need to be improved in future.
43 */
44extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
45#define flush_cache_vmap(start, end) cache_wbinv_all()
1/* SPDX-License-Identifier: GPL-2.0 */
2
3#ifndef __ABI_CSKY_CACHEFLUSH_H
4#define __ABI_CSKY_CACHEFLUSH_H
5
6#include <linux/mm.h>
7#include <asm/string.h>
8#include <asm/cache.h>

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38}
39
40/*
41 * if (current_mm != vma->mm) cache_wbinv_range(start, end) will be broken.
42 * Use cache_wbinv_all() here and need to be improved in future.
43 */
44extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
45#define flush_cache_vmap(start, end) cache_wbinv_all()
46#define flush_cache_vmap_early(start, end) do { } while (0)
46#define flush_cache_vunmap(start, end) cache_wbinv_all()
47
48#define flush_icache_range(start, end) cache_wbinv_range(start, end)
49#define flush_icache_mm_range(mm, start, end) cache_wbinv_range(start, end)
50#define flush_icache_deferred(mm) do {} while (0);
51
52#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
53do { \
54 memcpy(dst, src, len); \
55} while (0)
56
57#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
58do { \
59 memcpy(dst, src, len); \
60 cache_wbinv_all(); \
61} while (0)
62
63#endif /* __ABI_CSKY_CACHEFLUSH_H */
47#define flush_cache_vunmap(start, end) cache_wbinv_all()
48
49#define flush_icache_range(start, end) cache_wbinv_range(start, end)
50#define flush_icache_mm_range(mm, start, end) cache_wbinv_range(start, end)
51#define flush_icache_deferred(mm) do {} while (0);
52
53#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
54do { \
55 memcpy(dst, src, len); \
56} while (0)
57
58#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
59do { \
60 memcpy(dst, src, len); \
61 cache_wbinv_all(); \
62} while (0)
63
64#endif /* __ABI_CSKY_CACHEFLUSH_H */