diff options
Diffstat (limited to 'libc/kernel/arch-arm/asm/cacheflush.h')
-rw-r--r-- | libc/kernel/arch-arm/asm/cacheflush.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/libc/kernel/arch-arm/asm/cacheflush.h b/libc/kernel/arch-arm/asm/cacheflush.h deleted file mode 100644 index 3ffa87a..0000000 --- a/libc/kernel/arch-arm/asm/cacheflush.h +++ /dev/null @@ -1,107 +0,0 @@ -/**************************************************************************** - **************************************************************************** - *** - *** This header was automatically generated from a Linux kernel header - *** of the same name, to make information necessary for userspace to - *** call into the kernel available to libc. It contains only constants, - *** structures, and macros generated from the original header, and thus, - *** contains no copyrightable information. - *** - **************************************************************************** - ****************************************************************************/ -#ifndef _ASMARM_CACHEFLUSH_H -#define _ASMARM_CACHEFLUSH_H - -#include <linux/sched.h> -#include <linux/mm.h> - -#include <asm/glue.h> -#include <asm/shmparam.h> - -#define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) - -#undef _CACHE -#undef MULTI_CACHE - -#if !defined(_CACHE) && !defined(MULTI_CACHE) -#error Unknown cache maintainence model -#endif - -#define PG_dcache_dirty PG_arch_1 - -struct cpu_cache_fns { - void (*flush_kern_all)(void); - void (*flush_user_all)(void); - 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 *); - - void (*dma_inv_range)(unsigned long, unsigned long); - void (*dma_clean_range)(unsigned long, unsigned long); - void (*dma_flush_range)(unsigned long, unsigned long); -}; - -#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 -#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 -#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) -#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) -#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) - -#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) - -#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) -#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) - -#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)) -#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); }) - -#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 |