kernel-ark/arch/m68k/include/asm/page.h
Greg Ungerer 138ff3462f m68k/m68knommu: clean up page.h
There is a lot of common defines in the MMU and non-MMU variants of
page.h. Factor out the common stuff into the master page.h. It still
includes the underlying page_mm.h or page_no.h, but they only contain
the real differences now.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-10-22 09:43:24 +02:00

50 lines
1.1 KiB
C

#ifndef _M68K_PAGE_H
#define _M68K_PAGE_H
#include <linux/const.h>
#include <asm/setup.h>
#include <asm/page_offset.h>
/* PAGE_SHIFT determines the page size */
#ifndef CONFIG_SUN3
#define PAGE_SHIFT (12)
#else
#define PAGE_SHIFT (13)
#endif
#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
#define PAGE_OFFSET (PAGE_OFFSET_RAW)
#ifndef __ASSEMBLY__
/*
* These are used to make use of C type-checking..
*/
typedef struct { unsigned long pte; } pte_t;
typedef struct { unsigned long pmd[16]; } pmd_t;
typedef struct { unsigned long pgd; } pgd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
typedef struct page *pgtable_t;
#define pte_val(x) ((x).pte)
#define pmd_val(x) ((&x)->pmd[0])
#define pgd_val(x) ((x).pgd)
#define pgprot_val(x) ((x).pgprot)
#define __pte(x) ((pte_t) { (x) } )
#define __pmd(x) ((pmd_t) { (x) } )
#define __pgd(x) ((pgd_t) { (x) } )
#define __pgprot(x) ((pgprot_t) { (x) } )
#endif /* !__ASSEMBLY__ */
#ifdef CONFIG_MMU
#include "page_mm.h"
#else
#include "page_no.h"
#endif
#include <asm-generic/getorder.h>
#endif /* _M68K_PAGE_H */