50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef _ASM_SCORE_CACHEFLUSH_H
|
||
|
|
#define _ASM_SCORE_CACHEFLUSH_H
|
||
|
|
|
||
|
|
/* Keep includes the same across arches. */
|
||
|
|
#include <linux/mm.h>
|
||
|
|
|
||
|
|
extern void flush_cache_all(void);
|
||
|
|
extern void flush_cache_mm(struct mm_struct *mm);
|
||
|
|
extern void flush_cache_range(struct vm_area_struct *vma,
|
||
|
|
unsigned long start, unsigned long end);
|
||
|
|
extern void flush_cache_page(struct vm_area_struct *vma,
|
||
|
|
unsigned long page, unsigned long pfn);
|
||
|
|
extern void flush_cache_sigtramp(unsigned long addr);
|
||
|
|
extern void flush_icache_all(void);
|
||
|
|
extern void flush_icache_range(unsigned long start, unsigned long end);
|
||
|
|
extern void flush_dcache_range(unsigned long start, unsigned long end);
|
||
|
|
extern void flush_dcache_page(struct page *page);
|
||
|
|
|
||
|
|
#define PG_dcache_dirty PG_arch_1
|
||
|
|
|
||
|
|
#define flush_cache_dup_mm(mm) do {} while (0)
|
||
|
|
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
|
||
|
|
#define flush_dcache_mmap_lock(mapping) do {} while (0)
|
||
|
|
#define flush_dcache_mmap_unlock(mapping) do {} while (0)
|
||
|
|
#define flush_cache_vmap(start, end) do {} while (0)
|
||
|
|
#define flush_cache_vunmap(start, end) do {} while (0)
|
||
|
|
|
||
|
|
static inline void flush_icache_page(struct vm_area_struct *vma,
|
||
|
|
struct page *page)
|
||
|
|
{
|
||
|
|
if (vma->vm_flags & VM_EXEC) {
|
||
|
|
void *v = page_address(page);
|
||
|
|
flush_icache_range((unsigned long) v,
|
||
|
|
(unsigned long) v + PAGE_SIZE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
|
||
|
|
memcpy(dst, src, len)
|
||
|
|
|
||
|
|
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
|
||
|
|
do { \
|
||
|
|
memcpy(dst, src, len); \
|
||
|
|
if ((vma->vm_flags & VM_EXEC)) \
|
||
|
|
flush_cache_page(vma, vaddr, page_to_pfn(page));\
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#endif /* _ASM_SCORE_CACHEFLUSH_H */
|