include/arch/x86/mm/paging.h

   1 #ifndef X86_PAGING_H
   2 #define X86_PAGING_H
   3
   4 struct page_directory_entry {
   5         unsigned p: 1,
   6                  rw: 1,
   7                  us: 1,
   8                  pwt: 1,
   9                  pcd: 1,
  10                  a: 1,
  11                  ignored: 1,
  12                  ps: 1,
  13                  ignored2: 4,
  14                  page_table_addr: 20;
  15 } __attribute__((packed));
  16
  17 struct page_table_entry {
  18         unsigned p: 1,
  19                  rw: 1,
  20                  us: 1,
  21                  pwt: 1,
  22                  pcd: 1,
  23                  a: 1,
  24                  d: 1,
  25                  pat: 1,
  26                  g: 1,
  27                  ignored: 3,
  28                  page_frame_addr: 20;
  29 } __attribute__((packed));
  30
  31 struct pf_errcode {
  32         unsigned p: 1, wr: 1, us: 1, rsvd: 1, id: 1, pk: 1, ss: 1, hlat: 1, reserved: 7, sgx: 1, reserved2: 15;
  33 } __attribute__((packed));
  34
  35 extern inline void slice_linear_addr(void *address, short *pde, short *pte, short *offset);
  36 extern inline void enable_paging();
  37
  38 #endif