include/asm-v850/pgtable.h

   1 #ifndef __V850_PGTABLE_H__
   2 #define __V850_PGTABLE_H__
   3
   4 #include <asm-generic/4level-fixup.h>
   5
   6 #include <asm/page.h>
   7
   8
   9 #define pgd_present(pgd)        (1) /* pages are always present on NO_MM */
  10 #define pgd_none(pgd)           (0)
  11 #define pgd_bad(pgd)            (0)
  12 #define pgd_clear(pgdp)         ((void)0)
  13
  14 #define pmd_offset(a, b)        ((void *)0)
  15
  16 #define kern_addr_valid(addr)   (1)
  17
  18
  19 #define __swp_type(x)           (0)
  20 #define __swp_offset(x)         (0)
  21 #define __swp_entry(typ,off)    ((swp_entry_t) { ((typ) | ((off) << 7)) })
  22 #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
  23 #define __swp_entry_to_pte(x)   ((pte_t) { (x).val })
  24
  25 static inline int pte_file (pte_t pte) { return 0; }
  26
  27
  28 /* These mean nothing to !CONFIG_MMU.  */
  29 #define PAGE_NONE               __pgprot(0)
  30 #define PAGE_SHARED             __pgprot(0)
  31 #define PAGE_COPY               __pgprot(0)
  32 #define PAGE_READONLY           __pgprot(0)
  33 #define PAGE_KERNEL             __pgprot(0)
  34
  35
  36 /*
  37  * ZERO_PAGE is a global shared page that is always zero: used
  38  * for zero-mapped memory areas etc.  When CONFIG_MMU is not defined, this
  39  * should never actually be used, so just define it to something that's
  40  * will hopefully cause a bus error if it is.
  41  */
  42 #define ZERO_PAGE(vaddr)        ((void *)0x87654321)
  43
  44
  45 /* Some bogus code in procfs uses these; whatever.  */
  46 #define VMALLOC_START   0
  47 #define VMALLOC_END     (~0)
  48
  49
  50 extern void paging_init (void);
  51 #define swapper_pg_dir ((pgd_t *) 0)
  52
  53 #define pgtable_cache_init()   ((void)0)
  54
  55
  56 extern unsigned int kobjsize(const void *objp);
  57
  58
  59 #endif /* __V850_PGTABLE_H__ */