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138ff346 GU |
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 */ | |
9e95f7cd GU |
9 | #if defined(CONFIG_SUN3) || defined(CONFIG_COLDFIRE) |
10 | #define PAGE_SHIFT 13 | |
49148020 | 11 | #else |
9e95f7cd | 12 | #define PAGE_SHIFT 12 |
138ff346 GU |
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 | ||
88be3515 GU |
39 | extern unsigned long _rambase; |
40 | extern unsigned long _ramstart; | |
41 | extern unsigned long _ramend; | |
42 | ||
138ff346 GU |
43 | #endif /* !__ASSEMBLY__ */ |
44 | ||
45 | #ifdef CONFIG_MMU | |
a1ce3928 | 46 | #include <asm/page_mm.h> |
138ff346 | 47 | #else |
a1ce3928 | 48 | #include <asm/page_no.h> |
49148020 | 49 | #endif |
138ff346 | 50 | |
0c7e59c4 GU |
51 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ |
52 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | |
53 | ||
138ff346 GU |
54 | #include <asm-generic/getorder.h> |
55 | ||
56 | #endif /* _M68K_PAGE_H */ |