From 2855b97020f6d4a4dfb005fb77c0b79c8cb9d13f Mon Sep 17 00:00:00 2001 From: Roman Zippel Date: Sat, 3 Sep 2005 15:57:09 -0700 Subject: [PATCH] m68k: move cache functions into separate file Move a few cache functions into its own file and fix flush_icache_range() so it can handle both kernel and user addresses correctly (assuming context is set correctly). Turn copy_to_user_page/copy_from_user_page into inline functions and add a missing cache flush. Signed-off-by: Roman Zippel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-m68k/cacheflush.h | 31 ++++++++++++++++++------------- 1 file changed, 18 insertions(+), 13 deletions(-) (limited to 'include/asm-m68k') diff --git a/include/asm-m68k/cacheflush.h b/include/asm-m68k/cacheflush.h index e4773946f10d..8aba971b1368 100644 --- a/include/asm-m68k/cacheflush.h +++ b/include/asm-m68k/cacheflush.h @@ -130,20 +130,25 @@ static inline void __flush_page_to_ram(void *vaddr) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) #define flush_icache_page(vma, page) __flush_page_to_ram(page_address(page)) -#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) - -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ - do { \ - flush_cache_page(vma, vaddr, page_to_pfn(page));\ - memcpy(dst, src, len); \ - } while (0) - -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - do { \ - flush_cache_page(vma, vaddr, page_to_pfn(page));\ - memcpy(dst, src, len); \ - } while (0) +extern void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, + unsigned long addr, int len); extern void flush_icache_range(unsigned long address, unsigned long endaddr); +static inline void copy_to_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, + void *dst, void *src, int len) +{ + flush_cache_page(vma, vaddr, page_to_pfn(page)); + memcpy(dst, src, len); + flush_icache_user_range(vma, page, vaddr, len); +} +static inline void copy_from_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, + void *dst, void *src, int len) +{ + flush_cache_page(vma, vaddr, page_to_pfn(page)); + memcpy(dst, src, len); +} + #endif /* _M68K_CACHEFLUSH_H */ -- cgit v1.2.3-59-g8ed1b