diff options
Diffstat (limited to 'include/asm-sh64/page.h')
-rw-r--r-- | include/asm-sh64/page.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/include/asm-sh64/page.h b/include/asm-sh64/page.h deleted file mode 100644 index 472089aefc6..00000000000 --- a/include/asm-sh64/page.h +++ /dev/null | |||
@@ -1,119 +0,0 @@ | |||
1 | #ifndef __ASM_SH64_PAGE_H | ||
2 | #define __ASM_SH64_PAGE_H | ||
3 | |||
4 | /* | ||
5 | * This file is subject to the terms and conditions of the GNU General Public | ||
6 | * License. See the file "COPYING" in the main directory of this archive | ||
7 | * for more details. | ||
8 | * | ||
9 | * include/asm-sh64/page.h | ||
10 | * | ||
11 | * Copyright (C) 2000, 2001 Paolo Alberelli | ||
12 | * Copyright (C) 2003, 2004 Paul Mundt | ||
13 | * | ||
14 | * benedict.gaster@superh.com 19th, 24th July 2002. | ||
15 | * | ||
16 | * Modified to take account of enabling for D-CACHE support. | ||
17 | * | ||
18 | */ | ||
19 | |||
20 | |||
21 | /* PAGE_SHIFT determines the page size */ | ||
22 | #define PAGE_SHIFT 12 | ||
23 | #ifdef __ASSEMBLY__ | ||
24 | #define PAGE_SIZE 4096 | ||
25 | #else | ||
26 | #define PAGE_SIZE (1UL << PAGE_SHIFT) | ||
27 | #endif | ||
28 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
29 | #define PTE_MASK PAGE_MASK | ||
30 | |||
31 | #if defined(CONFIG_HUGETLB_PAGE_SIZE_64K) | ||
32 | #define HPAGE_SHIFT 16 | ||
33 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_1MB) | ||
34 | #define HPAGE_SHIFT 20 | ||
35 | #elif defined(CONFIG_HUGETLB_PAGE_SIZE_512MB) | ||
36 | #define HPAGE_SHIFT 29 | ||
37 | #endif | ||
38 | |||
39 | #ifdef CONFIG_HUGETLB_PAGE | ||
40 | #define HPAGE_SIZE (1UL << HPAGE_SHIFT) | ||
41 | #define HPAGE_MASK (~(HPAGE_SIZE-1)) | ||
42 | #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT-PAGE_SHIFT) | ||
43 | #define ARCH_HAS_SETCLEAR_HUGE_PTE | ||
44 | #endif | ||
45 | |||
46 | #ifdef __KERNEL__ | ||
47 | #ifndef __ASSEMBLY__ | ||
48 | |||
49 | extern struct page *mem_map; | ||
50 | extern void sh64_page_clear(void *page); | ||
51 | extern void sh64_page_copy(void *from, void *to); | ||
52 | |||
53 | #define clear_page(page) sh64_page_clear(page) | ||
54 | #define copy_page(to,from) sh64_page_copy(from, to) | ||
55 | |||
56 | #if defined(CONFIG_DCACHE_DISABLED) | ||
57 | |||
58 | #define clear_user_page(page, vaddr, pg) clear_page(page) | ||
59 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) | ||
60 | |||
61 | #else | ||
62 | |||
63 | extern void clear_user_page(void *to, unsigned long address, struct page *pg); | ||
64 | extern void copy_user_page(void *to, void *from, unsigned long address, struct page *pg); | ||
65 | |||
66 | #endif /* defined(CONFIG_DCACHE_DISABLED) */ | ||
67 | |||
68 | /* | ||
69 | * These are used to make use of C type-checking.. | ||
70 | */ | ||
71 | typedef struct { unsigned long long pte; } pte_t; | ||
72 | typedef struct { unsigned long pmd; } pmd_t; | ||
73 | typedef struct { unsigned long pgd; } pgd_t; | ||
74 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
75 | |||
76 | #define pte_val(x) ((x).pte) | ||
77 | #define pmd_val(x) ((x).pmd) | ||
78 | #define pgd_val(x) ((x).pgd) | ||
79 | #define pgprot_val(x) ((x).pgprot) | ||
80 | |||
81 | #define __pte(x) ((pte_t) { (x) } ) | ||
82 | #define __pmd(x) ((pmd_t) { (x) } ) | ||
83 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
84 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
85 | |||
86 | #endif /* !__ASSEMBLY__ */ | ||
87 | |||
88 | /* to align the pointer to the (next) page boundary */ | ||
89 | #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) | ||
90 | |||
91 | /* | ||
92 | * Kconfig defined. | ||
93 | */ | ||
94 | #define __MEMORY_START (CONFIG_MEMORY_START) | ||
95 | #define PAGE_OFFSET (CONFIG_CACHED_MEMORY_OFFSET) | ||
96 | |||
97 | #define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) | ||
98 | #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) | ||
99 | #define MAP_NR(addr) ((__pa(addr)-__MEMORY_START) >> PAGE_SHIFT) | ||
100 | #define VALID_PAGE(page) ((page - mem_map) < max_mapnr) | ||
101 | |||
102 | #define phys_to_page(phys) (mem_map + (((phys) - __MEMORY_START) >> PAGE_SHIFT)) | ||
103 | #define page_to_phys(page) (((page - mem_map) << PAGE_SHIFT) + __MEMORY_START) | ||
104 | |||
105 | /* PFN start number, because of __MEMORY_START */ | ||
106 | #define PFN_START (__MEMORY_START >> PAGE_SHIFT) | ||
107 | #define ARCH_PFN_OFFSET (PFN_START) | ||
108 | #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) | ||
109 | #define pfn_valid(pfn) (((pfn) - PFN_START) < max_mapnr) | ||
110 | #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) | ||
111 | |||
112 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ | ||
113 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
114 | |||
115 | #include <asm-generic/memory_model.h> | ||
116 | #include <asm-generic/page.h> | ||
117 | |||
118 | #endif /* __KERNEL__ */ | ||
119 | #endif /* __ASM_SH64_PAGE_H */ | ||