1 #ifndef _M68K_PAGE_H 2 #define _M68K_PAGE_H 3 4 #include <linux/const.h> 5 #include <asm/setup.h> 6 #include <asm/page_offset.h> 7 8 /* PAGE_SHIFT determines the page size */ 9 #ifndef CONFIG_SUN3 10 #define PAGE_SHIFT (12) 11 #else 12 #define PAGE_SHIFT (13) 13 #endif 14 #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) 15 #define PAGE_MASK (~(PAGE_SIZE-1)) 16 #define PAGE_OFFSET (PAGE_OFFSET_RAW) 17 18 #ifndef __ASSEMBLY__ 19 20 /* 21 * These are used to make use of C type-checking.. 22 */ 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; 28 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) 33 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) } ) 38 39 #endif /* !__ASSEMBLY__ */ 40 41 #ifdef CONFIG_MMU 42 #include "page_mm.h" 43 #else 44 #include "page_no.h" 45 #endif 46 47 #include <asm-generic/getorder.h> 48 49 #endif /* _M68K_PAGE_H */ 50