1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _ASMARM_CACHEFLUSH_H 20 #define _ASMARM_CACHEFLUSH_H 21 #include <linux/sched.h> 22 #include <linux/mm.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #include <asm/glue.h> 25 #include <asm/shmparam.h> 26 #define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) 27 #undef _CACHE 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #undef MULTI_CACHE 30 #if !defined(_CACHE) && !defined(MULTI_CACHE) 31 #error Unknown cache maintainence model 32 #endif 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #define PG_dcache_dirty PG_arch_1 35 struct cpu_cache_fns { 36 void (*flush_kern_all)(void); 37 void (*flush_user_all)(void); 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 void (*flush_user_range)(unsigned long, unsigned long, unsigned int); 40 void (*coherent_kern_range)(unsigned long, unsigned long); 41 void (*coherent_user_range)(unsigned long, unsigned long); 42 void (*flush_kern_dcache_page)(void *); 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 void (*dma_inv_range)(unsigned long, unsigned long); 45 void (*dma_clean_range)(unsigned long, unsigned long); 46 void (*dma_flush_range)(unsigned long, unsigned long); 47 }; 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 #ifdef MULTI_CACHE 50 #define __cpuc_flush_kern_all cpu_cache.flush_kern_all 51 #define __cpuc_flush_user_all cpu_cache.flush_user_all 52 #define __cpuc_flush_user_range cpu_cache.flush_user_range 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 #define __cpuc_coherent_kern_range cpu_cache.coherent_kern_range 55 #define __cpuc_coherent_user_range cpu_cache.coherent_user_range 56 #define __cpuc_flush_dcache_page cpu_cache.flush_kern_dcache_page 57 #define dmac_inv_range cpu_cache.dma_inv_range 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59 #define dmac_clean_range cpu_cache.dma_clean_range 60 #define dmac_flush_range cpu_cache.dma_flush_range 61 #else 62 #define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all) 63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64 #define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all) 65 #define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range) 66 #define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range) 67 #define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range) 68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69 #define __cpuc_flush_dcache_page __glue(_CACHE,_flush_kern_dcache_page) 70 #define dmac_inv_range __glue(_CACHE,_dma_inv_range) 71 #define dmac_clean_range __glue(_CACHE,_dma_clean_range) 72 #define dmac_flush_range __glue(_CACHE,_dma_flush_range) 73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74 #endif 75 #define flush_cache_vmap(start, end) flush_cache_all() 76 #define flush_cache_vunmap(start, end) flush_cache_all() 77 #define copy_to_user_page(vma, page, vaddr, dst, src, len) do { memcpy(dst, src, len); flush_ptrace_access(vma, page, vaddr, dst, len, 1); } while (0) 78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79 #define copy_from_user_page(vma, page, vaddr, dst, src, len) do { memcpy(dst, src, len); } while (0) 80 #define flush_cache_all() __cpuc_flush_kern_all() 81 #define flush_cache_user_range(vma,start,end) __cpuc_coherent_user_range((start) & PAGE_MASK, PAGE_ALIGN(end)) 82 #define flush_icache_range(s,e) __cpuc_coherent_kern_range(s,e) 83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84 #define clean_dcache_area(start,size) cpu_dcache_clean_area(start, size) 85 #define flush_dcache_mmap_lock(mapping) write_lock_irq(&(mapping)->tree_lock) 86 #define flush_dcache_mmap_unlock(mapping) write_unlock_irq(&(mapping)->tree_lock) 87 #define flush_icache_user_range(vma,page,addr,len) flush_dcache_page(page) 88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89 #define flush_icache_page(vma,page) do { } while (0) 90 #define __cacheid_present(val) (val != read_cpuid(CPUID_ID)) 91 #define __cacheid_vivt(val) ((val & (15 << 25)) != (14 << 25)) 92 #define __cacheid_vipt(val) ((val & (15 << 25)) == (14 << 25)) 93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94 #define __cacheid_vipt_nonaliasing(val) ((val & (15 << 25 | 1 << 23)) == (14 << 25)) 95 #define __cacheid_vipt_aliasing(val) ((val & (15 << 25 | 1 << 23)) == (14 << 25 | 1 << 23)) 96 #define cache_is_vivt() ({ unsigned int __val = read_cpuid(CPUID_CACHETYPE); (!__cacheid_present(__val)) || __cacheid_vivt(__val); }) 97 #define cache_is_vipt() ({ unsigned int __val = read_cpuid(CPUID_CACHETYPE); __cacheid_present(__val) && __cacheid_vipt(__val); }) 98 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 99 #define cache_is_vipt_nonaliasing() ({ unsigned int __val = read_cpuid(CPUID_CACHETYPE); __cacheid_present(__val) && __cacheid_vipt_nonaliasing(__val); }) 100 #define cache_is_vipt_aliasing() ({ unsigned int __val = read_cpuid(CPUID_CACHETYPE); __cacheid_present(__val) && __cacheid_vipt_aliasing(__val); }) 101 #endif 102