4 #include <linux/const.h>
6 #include <asm/page_offset.h>
8 /* PAGE_SHIFT determines the page size */
9 #if defined(CONFIG_SUN3) || defined(CONFIG_COLDFIRE)
14 #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
15 #define PAGE_MASK (~(PAGE_SIZE-1))
16 #define PAGE_OFFSET (PAGE_OFFSET_RAW)
21 * These are used to make use of C type-checking..
23 typedef struct { unsigned long pte
; } pte_t
;
24 typedef struct { unsigned long pmd
[16]; } pmd_t
;
25 typedef struct { unsigned long pgd
; } pgd_t
;
26 typedef struct { unsigned long pgprot
; } pgprot_t
;
27 typedef struct page
*pgtable_t
;
29 #define pte_val(x) ((x).pte)
30 #define pmd_val(x) ((&x)->pmd[0])
31 #define pgd_val(x) ((x).pgd)
32 #define pgprot_val(x) ((x).pgprot)
34 #define __pte(x) ((pte_t) { (x) } )
35 #define __pmd(x) ((pmd_t) { (x) } )
36 #define __pgd(x) ((pgd_t) { (x) } )
37 #define __pgprot(x) ((pgprot_t) { (x) } )
39 extern unsigned long _rambase
;
40 extern unsigned long _ramstart
;
41 extern unsigned long _ramend
;
43 #endif /* !__ASSEMBLY__ */
46 #include <asm/page_mm.h>
48 #include <asm/page_no.h>
51 #define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT))
52 #define __pfn_to_phys(pfn) PFN_PHYS(pfn)
54 #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
55 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
57 #include <asm-generic/getorder.h>
59 #endif /* _M68K_PAGE_H */