arch/powerpc/include/asm/pte-hash64-4k.h

   1 /* To be include by pgtable-hash64.h only */
   2
   3 /* PTE bits */
   4 #define _PAGE_HASHPTE   0x0400 /* software: pte has an associated HPTE */
   5 #define _PAGE_SECONDARY 0x8000 /* software: HPTE is in secondary group */
   6 #define _PAGE_GROUP_IX  0x7000 /* software: HPTE index within group */
   7 #define _PAGE_F_SECOND  _PAGE_SECONDARY
   8 #define _PAGE_F_GIX     _PAGE_GROUP_IX
   9 #define _PAGE_SPECIAL   0x10000 /* software: special page */
  10
  11 /* There is no 4K PFN hack on 4K pages */
  12 #define _PAGE_4K_PFN    0
  13
  14 /* PTE flags to conserve for HPTE identification */
  15 #define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_HASHPTE | \
  16                          _PAGE_SECONDARY | _PAGE_GROUP_IX)
  17
  18 /* shift to put page number into pte */
  19 #define PTE_RPN_SHIFT   (17)
  20