pgtable.h 1.6 KB

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  1. #ifndef _H8300_PGTABLE_H
  2. #define _H8300_PGTABLE_H
  3. #include <asm-generic/pgtable-nopud.h>
  4. #include <asm-generic/pgtable.h>
  5. #define pgtable_cache_init() do { } while (0)
  6. extern void paging_init(void);
  7. #define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */
  8. #define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */
  9. #define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */
  10. #define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */
  11. #define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */
  12. #define __swp_type(x) (0)
  13. #define __swp_offset(x) (0)
  14. #define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
  15. #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
  16. #define __swp_entry_to_pte(x) ((pte_t) { (x).val })
  17. #define kern_addr_valid(addr) (1)
  18. #define pgprot_writecombine(prot) (prot)
  19. #define pgprot_noncached pgprot_writecombine
  20. static inline int pte_file(pte_t pte) { return 0; }
  21. #define swapper_pg_dir ((pgd_t *) 0)
  22. /*
  23. * ZERO_PAGE is a global shared page that is always zero: used
  24. * for zero-mapped memory areas etc..
  25. */
  26. #define ZERO_PAGE(vaddr) (virt_to_page(0))
  27. /*
  28. * These would be in other places but having them here reduces the diffs.
  29. */
  30. extern unsigned int kobjsize(const void *objp);
  31. extern int is_in_rom(unsigned long);
  32. /*
  33. * No page table caches to initialise
  34. */
  35. #define pgtable_cache_init() do { } while (0)
  36. /*
  37. * All 32bit addresses are effectively valid for vmalloc...
  38. * Sort of meaningless for non-VM targets.
  39. */
  40. #define VMALLOC_START 0
  41. #define VMALLOC_END 0xffffffff
  42. #define arch_enter_lazy_cpu_mode() do {} while (0)
  43. #endif /* _H8300_PGTABLE_H */