1 #ifndef _SPARC_CACHEFLUSH_H 2 #define _SPARC_CACHEFLUSH_H 3 4 #include <asm/cachetlb_32.h> 5 6 #define flush_cache_all() \ 7 sparc32_cachetlb_ops->cache_all() 8 #define flush_cache_mm(mm) \ 9 sparc32_cachetlb_ops->cache_mm(mm) 10 #define flush_cache_dup_mm(mm) \ 11 sparc32_cachetlb_ops->cache_mm(mm) 12 #define flush_cache_range(vma,start,end) \ 13 sparc32_cachetlb_ops->cache_range(vma, start, end) 14 #define flush_cache_page(vma,addr,pfn) \ 15 sparc32_cachetlb_ops->cache_page(vma, addr) 16 #define flush_icache_range(start, end) do { } while (0) 17 #define flush_icache_page(vma, pg) do { } while (0) 18 19 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) 20 21 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ 22 do { \ 23 flush_cache_page(vma, vaddr, page_to_pfn(page));\ 24 memcpy(dst, src, len); \ 25 } while (0) 26 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ 27 do { \ 28 flush_cache_page(vma, vaddr, page_to_pfn(page));\ 29 memcpy(dst, src, len); \ 30 } while (0) 31 32 #define __flush_page_to_ram(addr) \ 33 sparc32_cachetlb_ops->page_to_ram(addr) 34 #define flush_sig_insns(mm,insn_addr) \ 35 sparc32_cachetlb_ops->sig_insns(mm, insn_addr) 36 #define flush_page_for_dma(addr) \ 37 sparc32_cachetlb_ops->page_for_dma(addr) 38 39 void sparc_flush_page_to_ram(struct page *page); 40 41 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 42 #define flush_dcache_page(page) sparc_flush_page_to_ram(page) 43 #define flush_dcache_mmap_lock(mapping) do { } while (0) 44 #define flush_dcache_mmap_unlock(mapping) do { } while (0) 45 46 #define flush_cache_vmap(start, end) flush_cache_all() 47 #define flush_cache_vunmap(start, end) flush_cache_all() 48 49 /* When a context switch happens we must flush all user windows so that 50 * the windows of the current process are flushed onto its stack. This 51 * way the windows are all clean for the next process and the stack 52 * frames are up to date. 53 */ 54 void flush_user_windows(void); 55 void kill_user_windows(void); 56 void flushw_all(void); 57 58 #endif /* _SPARC_CACHEFLUSH_H */ 59