Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1#ifndef _CRIS_CACHEFLUSH_H
2#define _CRIS_CACHEFLUSH_H
3
4/* Keep includes the same across arches. */
5#include <linux/mm.h>
6
7/* The cache doesn't need to be flushed when TLB entries change because
8 * the cache is mapped to physical memory, not virtual memory
9 */
10#define flush_cache_all() do { } while (0)
11#define flush_cache_mm(mm) do { } while (0)
12#define flush_cache_range(vma, start, end) do { } while (0)
13#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
14#define flush_dcache_page(page) do { } while (0)
15#define flush_dcache_mmap_lock(mapping) do { } while (0)
16#define flush_dcache_mmap_unlock(mapping) do { } while (0)
17#define flush_icache_range(start, end) do { } while (0)
18#define flush_icache_page(vma,pg) do { } while (0)
19#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
20#define flush_cache_vmap(start, end) do { } while (0)
21#define flush_cache_vunmap(start, end) do { } while (0)
22
23#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
24 memcpy(dst, src, len)
25#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
26 memcpy(dst, src, len)
27
28void global_flush_tlb(void);
29int change_page_attr(struct page *page, int numpages, pgprot_t prot);
30
31#endif /* _CRIS_CACHEFLUSH_H */