diff options
Diffstat (limited to 'libc/kernel/arch-arm/asm/cacheflush.h')
| -rw-r--r-- | libc/kernel/arch-arm/asm/cacheflush.h | 52 |
1 files changed, 29 insertions, 23 deletions
diff --git a/libc/kernel/arch-arm/asm/cacheflush.h b/libc/kernel/arch-arm/asm/cacheflush.h index 9914f3340..3ffa87a1b 100644 --- a/libc/kernel/arch-arm/asm/cacheflush.h +++ b/libc/kernel/arch-arm/asm/cacheflush.h @@ -7,95 +7,101 @@ *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** - *** To edit the content of this header, modify the corresponding - *** source file (e.g. under external/kernel-headers/original/) then - *** run bionic/libc/kernel/tools/update_all.py - *** - *** Any manual change here will be lost the next time this script will - *** be run. You've been warned! - *** **************************************************************************** ****************************************************************************/ #ifndef _ASMARM_CACHEFLUSH_H #define _ASMARM_CACHEFLUSH_H + #include <linux/sched.h> #include <linux/mm.h> -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #include <asm/glue.h> #include <asm/shmparam.h> + #define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) + #undef _CACHE -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #undef MULTI_CACHE + #if !defined(_CACHE) && !defined(MULTI_CACHE) #error Unknown cache maintainence model #endif -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define PG_dcache_dirty PG_arch_1 + struct cpu_cache_fns { void (*flush_kern_all)(void); void (*flush_user_all)(void); -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ void (*flush_user_range)(unsigned long, unsigned long, unsigned int); + void (*coherent_kern_range)(unsigned long, unsigned long); void (*coherent_user_range)(unsigned long, unsigned long); void (*flush_kern_dcache_page)(void *); -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + void (*dma_inv_range)(unsigned long, unsigned long); void (*dma_clean_range)(unsigned long, unsigned long); void (*dma_flush_range)(unsigned long, unsigned long); }; -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #ifdef MULTI_CACHE + #define __cpuc_flush_kern_all cpu_cache.flush_kern_all #define __cpuc_flush_user_all cpu_cache.flush_user_all #define __cpuc_flush_user_range cpu_cache.flush_user_range -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define __cpuc_coherent_kern_range cpu_cache.coherent_kern_range #define __cpuc_coherent_user_range cpu_cache.coherent_user_range #define __cpuc_flush_dcache_page cpu_cache.flush_kern_dcache_page + #define dmac_inv_range cpu_cache.dma_inv_range -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define dmac_clean_range cpu_cache.dma_clean_range #define dmac_flush_range cpu_cache.dma_flush_range + #else + #define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all) #define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range) #define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range) #define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define __cpuc_flush_dcache_page __glue(_CACHE,_flush_kern_dcache_page) + #define dmac_inv_range __glue(_CACHE,_dma_inv_range) #define dmac_clean_range __glue(_CACHE,_dma_clean_range) #define dmac_flush_range __glue(_CACHE,_dma_flush_range) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #endif + #define flush_cache_vmap(start, end) flush_cache_all() #define flush_cache_vunmap(start, end) flush_cache_all() + #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) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define copy_from_user_page(vma, page, vaddr, dst, src, len) do { memcpy(dst, src, len); } while (0) + #define flush_cache_all() __cpuc_flush_kern_all() #define flush_cache_user_range(vma,start,end) __cpuc_coherent_user_range((start) & PAGE_MASK, PAGE_ALIGN(end)) #define flush_icache_range(s,e) __cpuc_coherent_kern_range(s,e) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define clean_dcache_area(start,size) cpu_dcache_clean_area(start, size) + #define flush_dcache_mmap_lock(mapping) write_lock_irq(&(mapping)->tree_lock) #define flush_dcache_mmap_unlock(mapping) write_unlock_irq(&(mapping)->tree_lock) + #define flush_icache_user_range(vma,page,addr,len) flush_dcache_page(page) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define flush_icache_page(vma,page) do { } while (0) + #define __cacheid_present(val) (val != read_cpuid(CPUID_ID)) #define __cacheid_vivt(val) ((val & (15 << 25)) != (14 << 25)) #define __cacheid_vipt(val) ((val & (15 << 25)) == (14 << 25)) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define __cacheid_vipt_nonaliasing(val) ((val & (15 << 25 | 1 << 23)) == (14 << 25)) #define __cacheid_vipt_aliasing(val) ((val & (15 << 25 | 1 << 23)) == (14 << 25 | 1 << 23)) + #define cache_is_vivt() ({ unsigned int __val = read_cpuid(CPUID_CACHETYPE); (!__cacheid_present(__val)) || __cacheid_vivt(__val); }) + #define cache_is_vipt() ({ unsigned int __val = read_cpuid(CPUID_CACHETYPE); __cacheid_present(__val) && __cacheid_vipt(__val); }) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define cache_is_vipt_nonaliasing() ({ unsigned int __val = read_cpuid(CPUID_CACHETYPE); __cacheid_present(__val) && __cacheid_vipt_nonaliasing(__val); }) + #define cache_is_vipt_aliasing() ({ unsigned int __val = read_cpuid(CPUID_CACHETYPE); __cacheid_present(__val) && __cacheid_vipt_aliasing(__val); }) + #endif |