diff options
Diffstat (limited to 'include/asm-um/page.h')
-rw-r--r-- | include/asm-um/page.h | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/include/asm-um/page.h b/include/asm-um/page.h deleted file mode 100644 index a6df1f13d732..000000000000 --- a/include/asm-um/page.h +++ /dev/null | |||
@@ -1,122 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) | ||
3 | * Copyright 2003 PathScale, Inc. | ||
4 | * Licensed under the GPL | ||
5 | */ | ||
6 | |||
7 | #ifndef __UM_PAGE_H | ||
8 | #define __UM_PAGE_H | ||
9 | |||
10 | #include <linux/const.h> | ||
11 | |||
12 | /* PAGE_SHIFT determines the page size */ | ||
13 | #define PAGE_SHIFT 12 | ||
14 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) | ||
15 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
16 | |||
17 | #ifndef __ASSEMBLY__ | ||
18 | |||
19 | struct page; | ||
20 | |||
21 | #include <linux/types.h> | ||
22 | #include <asm/vm-flags.h> | ||
23 | |||
24 | /* | ||
25 | * These are used to make use of C type-checking.. | ||
26 | */ | ||
27 | |||
28 | #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) | ||
29 | #define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) | ||
30 | |||
31 | #define clear_user_page(page, vaddr, pg) clear_page(page) | ||
32 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) | ||
33 | |||
34 | #if defined(CONFIG_3_LEVEL_PGTABLES) && !defined(CONFIG_64BIT) | ||
35 | |||
36 | typedef struct { unsigned long pte_low, pte_high; } pte_t; | ||
37 | typedef struct { unsigned long pmd; } pmd_t; | ||
38 | typedef struct { unsigned long pgd; } pgd_t; | ||
39 | #define pte_val(x) ((x).pte_low | ((unsigned long long) (x).pte_high << 32)) | ||
40 | |||
41 | #define pte_get_bits(pte, bits) ((pte).pte_low & (bits)) | ||
42 | #define pte_set_bits(pte, bits) ((pte).pte_low |= (bits)) | ||
43 | #define pte_clear_bits(pte, bits) ((pte).pte_low &= ~(bits)) | ||
44 | #define pte_copy(to, from) ({ (to).pte_high = (from).pte_high; \ | ||
45 | smp_wmb(); \ | ||
46 | (to).pte_low = (from).pte_low; }) | ||
47 | #define pte_is_zero(pte) (!((pte).pte_low & ~_PAGE_NEWPAGE) && !(pte).pte_high) | ||
48 | #define pte_set_val(pte, phys, prot) \ | ||
49 | ({ (pte).pte_high = (phys) >> 32; \ | ||
50 | (pte).pte_low = (phys) | pgprot_val(prot); }) | ||
51 | |||
52 | #define pmd_val(x) ((x).pmd) | ||
53 | #define __pmd(x) ((pmd_t) { (x) } ) | ||
54 | |||
55 | typedef unsigned long long pfn_t; | ||
56 | typedef unsigned long long phys_t; | ||
57 | |||
58 | #else | ||
59 | |||
60 | typedef struct { unsigned long pte; } pte_t; | ||
61 | typedef struct { unsigned long pgd; } pgd_t; | ||
62 | |||
63 | #ifdef CONFIG_3_LEVEL_PGTABLES | ||
64 | typedef struct { unsigned long pmd; } pmd_t; | ||
65 | #define pmd_val(x) ((x).pmd) | ||
66 | #define __pmd(x) ((pmd_t) { (x) } ) | ||
67 | #endif | ||
68 | |||
69 | #define pte_val(x) ((x).pte) | ||
70 | |||
71 | |||
72 | #define pte_get_bits(p, bits) ((p).pte & (bits)) | ||
73 | #define pte_set_bits(p, bits) ((p).pte |= (bits)) | ||
74 | #define pte_clear_bits(p, bits) ((p).pte &= ~(bits)) | ||
75 | #define pte_copy(to, from) ((to).pte = (from).pte) | ||
76 | #define pte_is_zero(p) (!((p).pte & ~_PAGE_NEWPAGE)) | ||
77 | #define pte_set_val(p, phys, prot) (p).pte = (phys | pgprot_val(prot)) | ||
78 | |||
79 | typedef unsigned long pfn_t; | ||
80 | typedef unsigned long phys_t; | ||
81 | |||
82 | #endif | ||
83 | |||
84 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
85 | |||
86 | typedef struct page *pgtable_t; | ||
87 | |||
88 | #define pgd_val(x) ((x).pgd) | ||
89 | #define pgprot_val(x) ((x).pgprot) | ||
90 | |||
91 | #define __pte(x) ((pte_t) { (x) } ) | ||
92 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
93 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
94 | |||
95 | extern unsigned long uml_physmem; | ||
96 | |||
97 | #define PAGE_OFFSET (uml_physmem) | ||
98 | #define KERNELBASE PAGE_OFFSET | ||
99 | |||
100 | #define __va_space (8*1024*1024) | ||
101 | |||
102 | #include "mem.h" | ||
103 | |||
104 | /* Cast to unsigned long before casting to void * to avoid a warning from | ||
105 | * mmap_kmem about cutting a long long down to a void *. Not sure that | ||
106 | * casting is the right thing, but 32-bit UML can't have 64-bit virtual | ||
107 | * addresses | ||
108 | */ | ||
109 | #define __pa(virt) to_phys((void *) (unsigned long) (virt)) | ||
110 | #define __va(phys) to_virt((unsigned long) (phys)) | ||
111 | |||
112 | #define phys_to_pfn(p) ((pfn_t) ((p) >> PAGE_SHIFT)) | ||
113 | #define pfn_to_phys(pfn) ((phys_t) ((pfn) << PAGE_SHIFT)) | ||
114 | |||
115 | #define pfn_valid(pfn) ((pfn) < max_mapnr) | ||
116 | #define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v))) | ||
117 | |||
118 | #include <asm-generic/memory_model.h> | ||
119 | #include <asm-generic/page.h> | ||
120 | |||
121 | #endif /* __ASSEMBLY__ */ | ||
122 | #endif /* __UM_PAGE_H */ | ||