1 #ifndef _ASM_M32R_CACHEFLUSH_H 2 #define _ASM_M32R_CACHEFLUSH_H 3 4 #include <linux/mm.h> 5 6 extern void _flush_cache_all(void); 7 extern void _flush_cache_copyback_all(void); 8 9 #if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) 10 #define flush_cache_all() do { } while (0) 11 #define flush_cache_mm(mm) do { } while (0) 12 #define flush_cache_dup_mm(mm) do { } while (0) 13 #define flush_cache_range(vma, start, end) do { } while (0) 14 #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 15 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 16 #define flush_dcache_page(page) do { } while (0) 17 #define flush_dcache_mmap_lock(mapping) do { } while (0) 18 #define flush_dcache_mmap_unlock(mapping) do { } while (0) 19 #ifndef CONFIG_SMP 20 #define flush_icache_range(start, end) _flush_cache_copyback_all() 21 #define flush_icache_page(vma,pg) _flush_cache_copyback_all() 22 #define flush_icache_user_range(vma,pg,adr,len) _flush_cache_copyback_all() 23 #define flush_cache_sigtramp(addr) _flush_cache_copyback_all() 24 #else /* CONFIG_SMP */ 25 extern void smp_flush_cache_all(void); 26 #define flush_icache_range(start, end) smp_flush_cache_all() 27 #define flush_icache_page(vma,pg) smp_flush_cache_all() 28 #define flush_icache_user_range(vma,pg,adr,len) smp_flush_cache_all() 29 #define flush_cache_sigtramp(addr) _flush_cache_copyback_all() 30 #endif /* CONFIG_SMP */ 31 #elif defined(CONFIG_CHIP_M32102) 32 #define flush_cache_all() do { } while (0) 33 #define flush_cache_mm(mm) do { } while (0) 34 #define flush_cache_dup_mm(mm) do { } while (0) 35 #define flush_cache_range(vma, start, end) do { } while (0) 36 #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 37 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 38 #define flush_dcache_page(page) do { } while (0) 39 #define flush_dcache_mmap_lock(mapping) do { } while (0) 40 #define flush_dcache_mmap_unlock(mapping) do { } while (0) 41 #define flush_icache_range(start, end) _flush_cache_all() 42 #define flush_icache_page(vma,pg) _flush_cache_all() 43 #define flush_icache_user_range(vma,pg,adr,len) _flush_cache_all() 44 #define flush_cache_sigtramp(addr) _flush_cache_all() 45 #else 46 #define flush_cache_all() do { } while (0) 47 #define flush_cache_mm(mm) do { } while (0) 48 #define flush_cache_dup_mm(mm) do { } while (0) 49 #define flush_cache_range(vma, start, end) do { } while (0) 50 #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 51 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 52 #define flush_dcache_page(page) do { } while (0) 53 #define flush_dcache_mmap_lock(mapping) do { } while (0) 54 #define flush_dcache_mmap_unlock(mapping) do { } while (0) 55 #define flush_icache_range(start, end) do { } while (0) 56 #define flush_icache_page(vma,pg) do { } while (0) 57 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) 58 #define flush_cache_sigtramp(addr) do { } while (0) 59 #endif /* CONFIG_CHIP_* */ 60 61 #define flush_cache_vmap(start, end) do { } while (0) 62 #define flush_cache_vunmap(start, end) do { } while (0) 63 64 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ 65 do { \ 66 memcpy(dst, src, len); \ 67 flush_icache_user_range(vma, page, vaddr, len); \ 68 } while (0) 69 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ 70 memcpy(dst, src, len) 71 72 #endif /* _ASM_M32R_CACHEFLUSH_H */ 73