1#ifndef _ASM_M32R_CACHEFLUSH_H 2#define _ASM_M32R_CACHEFLUSH_H 3 4#include <linux/mm.h> 5 6extern void _flush_cache_all(void); 7extern 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 */ 25extern 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) \ 65do { \ 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