include/mm.h

   1 #ifndef _MM_H
   2 #define _MM_H
   3
   4
   5 #define PG_SIZE   (0x1000)
   6 #define PG_DIR    (0x800000)
   7 #define PG_TABLE  (PG_DIR + PG_SIZE)
   8
   9 #define LOW_MEM   (0x100000)
  10 #define PG_MEMORY (32*1024*1024)
  11 #define PG_PAGES  (PG_MEMORY>>12)
  12 #define MAIN_MEM  (0x800000)
  13
  14 #define USED         (100)
  15 #define MAP_NR(addr) (((addr)>>12))
  16
  17 #define TABLE_SIZE   (0x400000)
  18
  19 #define copy_page(from, to)                     \
  20   __asm__("cld;rep;movsl\n\t"                   \
  21           ::"S"(from),"D"(to),"c"(1024))
  22
  23
  24 #endif   /* mm.h */