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/Ethereal-msm8939-beta9/arch/m68k/include/asm/page.h

https://bitbucket.org/MilosStamenkovic95/etherealos
C Header | 53 lines | 38 code | 11 blank | 4 comment | 1 complexity | e7e347850aa18dd9c04697927946cb00 MD5 | raw file
 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#include <asm-generic/getorder.h>
52
53#endif /* _M68K_PAGE_H */