mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
|
#ifndef _CRIS_CACHEFLUSH_H
|
||
|
|
#define _CRIS_CACHEFLUSH_H
|
||
|
|
|
||
|
|
/* Keep includes the same across arches. */
|
||
|
|
#include <linux/mm.h>
|
||
|
|
|
||
|
|
/* The cache doesn't need to be flushed when TLB entries change because
|
||
|
|
* 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_range(vma, start, end) do { } while (0)
|
||
|
|
#define flush_cache_page(vma, vmaddr, pfn) do { } while (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) \
|
||
|
|
memcpy(dst, src, len)
|
||
|
|
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
|
||
|
|
memcpy(dst, src, len)
|
||
|
|
|
||
|
|
void global_flush_tlb(void);
|
||
|
|
int change_page_attr(struct page *page, int numpages, pgprot_t prot);
|
||
|
|
|
||
|
|
#endif /* _CRIS_CACHEFLUSH_H */
|