You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
1.3 KiB
34 lines
1.3 KiB
#ifndef __ASM_CACHEFLUSH_H |
|
#define __ASM_CACHEFLUSH_H |
|
|
|
/* Keep includes the same across arches. */ |
|
#include <linux/mm.h> |
|
|
|
/* |
|
* The cache doesn't need to be flushed when TLB entries change when |
|
* the cache is mapped to physical memory, not virtual memory |
|
*/ |
|
#define flush_cache_all() do { } while (0) |
|
#define flush_cache_mm(mm) do { } while (0) |
|
#define flush_cache_dup_mm(mm) do { } while (0) |
|
#define flush_cache_range(vma, start, end) do { } while (0) |
|
#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) |
|
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 |
|
#define flush_dcache_page(page) do { } while (0) |
|
#define flush_dcache_mmap_lock(mapping) do { } while (0) |
|
#define flush_dcache_mmap_unlock(mapping) do { } while (0) |
|
#define flush_icache_range(start, end) do { } while (0) |
|
#define flush_icache_page(vma,pg) do { } while (0) |
|
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) |
|
#define flush_cache_vmap(start, end) do { } while (0) |
|
#define flush_cache_vunmap(start, end) do { } while (0) |
|
|
|
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ |
|
do { \ |
|
memcpy(dst, src, len); \ |
|
flush_icache_user_range(vma, page, vaddr, len); \ |
|
} while (0) |
|
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ |
|
memcpy(dst, src, len) |
|
|
|
#endif /* __ASM_CACHEFLUSH_H */
|
|
|