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#if defined(CONFIG_SUN3) || defined(CONFIG_COLDFIRE) 10#define PAGE_SHIFT 13 11#else 12#define PAGE_SHIFT 12 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 */ 23typedef struct { unsigned long pte; } pte_t; 24typedef struct { unsigned long pmd[16]; } pmd_t; 25typedef struct { unsigned long pgd; } pgd_t; 26typedef struct { unsigned long pgprot; } pgprot_t; 27typedef 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 39extern unsigned long _rambase; 40extern unsigned long _ramstart; 41extern unsigned long _ramend; 42 43#endif /* !__ASSEMBLY__ */ 44 45#ifdef CONFIG_MMU 46#include <asm/page_mm.h> 47#else 48#include <asm/page_no.h> 49#endif 50 51#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ 52 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) 53 54#include <asm-generic/getorder.h> 55 56#endif /* _M68K_PAGE_H */ 57