include/asm-powerpc/page_32.h

   1 #ifndef _ASM_POWERPC_PAGE_32_H
   2 #define _ASM_POWERPC_PAGE_32_H
   3
   4 #if defined(CONFIG_PHYSICAL_ALIGN) && (CONFIG_PHYSICAL_START != 0)
   5 #if (CONFIG_PHYSICAL_START % CONFIG_PHYSICAL_ALIGN) != 0
   6 #error "CONFIG_PHYSICAL_START must be a multiple of CONFIG_PHYSICAL_ALIGN"
   7 #endif
   8 #endif
   9
  10 #define VM_DATA_DEFAULT_FLAGS   VM_DATA_DEFAULT_FLAGS32
  11
  12 #ifdef CONFIG_NOT_COHERENT_CACHE
  13 #define ARCH_KMALLOC_MINALIGN   L1_CACHE_BYTES
  14 #endif
  15
  16 #ifndef __ASSEMBLY__
  17 /*
  18  * The basic type of a PTE - 64 bits for those CPUs with > 32 bit
  19  * physical addressing.  For now this just the IBM PPC440.
  20  */
  21 #ifdef CONFIG_PTE_64BIT
  22 typedef unsigned long long pte_basic_t;
  23 #define PTE_SHIFT       (PAGE_SHIFT - 3)        /* 512 ptes per page */
  24 #else
  25 typedef unsigned long pte_basic_t;
  26 #define PTE_SHIFT       (PAGE_SHIFT - 2)        /* 1024 ptes per page */
  27 #endif
  28
  29 struct page;
  30 extern void clear_pages(void *page, int order);
  31 static inline void clear_page(void *page) { clear_pages(page, 0); }
  32 extern void copy_page(void *to, void *from);
  33
  34 #include <asm-generic/page.h>
  35
  36 #endif /* __ASSEMBLY__ */
  37
  38 #endif /* _ASM_POWERPC_PAGE_32_H */