diff options
Diffstat (limited to 'arch/m32r/include/asm/page.h')
-rw-r--r-- | arch/m32r/include/asm/page.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/m32r/include/asm/page.h b/arch/m32r/include/asm/page.h deleted file mode 100644 index fe4e38b394d3..000000000000 --- a/arch/m32r/include/asm/page.h +++ /dev/null | |||
@@ -1,90 +0,0 @@ | |||
1 | /* SPDX-License-Identifier: GPL-2.0 */ | ||
2 | #ifndef _ASM_M32R_PAGE_H | ||
3 | #define _ASM_M32R_PAGE_H | ||
4 | |||
5 | #include <linux/const.h> | ||
6 | |||
7 | /* PAGE_SHIFT determines the page size */ | ||
8 | #define PAGE_SHIFT 12 | ||
9 | #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) | ||
10 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
11 | |||
12 | #ifndef __ASSEMBLY__ | ||
13 | |||
14 | extern void clear_page(void *to); | ||
15 | extern void copy_page(void *to, void *from); | ||
16 | |||
17 | #define clear_user_page(page, vaddr, pg) clear_page(page) | ||
18 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) | ||
19 | |||
20 | #define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ | ||
21 | alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) | ||
22 | #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE | ||
23 | |||
24 | /* | ||
25 | * These are used to make use of C type-checking.. | ||
26 | */ | ||
27 | typedef struct { unsigned long pte; } pte_t; | ||
28 | typedef struct { unsigned long pmd; } pmd_t; | ||
29 | typedef struct { unsigned long pgd; } pgd_t; | ||
30 | #define pte_val(x) ((x).pte) | ||
31 | #define PTE_MASK PAGE_MASK | ||
32 | |||
33 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
34 | typedef struct page *pgtable_t; | ||
35 | |||
36 | #define pmd_val(x) ((x).pmd) | ||
37 | #define pgd_val(x) ((x).pgd) | ||
38 | #define pgprot_val(x) ((x).pgprot) | ||
39 | |||
40 | #define __pte(x) ((pte_t) { (x) } ) | ||
41 | #define __pmd(x) ((pmd_t) { (x) } ) | ||
42 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
43 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
44 | |||
45 | #endif /* !__ASSEMBLY__ */ | ||
46 | |||
47 | /* | ||
48 | * This handles the memory map.. We could make this a config | ||
49 | * option, but too many people screw it up, and too few need | ||
50 | * it. | ||
51 | * | ||
52 | * A __PAGE_OFFSET of 0xC0000000 means that the kernel has | ||
53 | * a virtual address space of one gigabyte, which limits the | ||
54 | * amount of physical memory you can use to about 950MB. | ||
55 | * | ||
56 | * If you want more physical memory than this then see the CONFIG_HIGHMEM4G | ||
57 | * and CONFIG_HIGHMEM64G options in the kernel configuration. | ||
58 | */ | ||
59 | |||
60 | #define __MEMORY_START CONFIG_MEMORY_START | ||
61 | #define __MEMORY_SIZE CONFIG_MEMORY_SIZE | ||
62 | |||
63 | #ifdef CONFIG_MMU | ||
64 | #define __PAGE_OFFSET (0x80000000) | ||
65 | #else | ||
66 | #define __PAGE_OFFSET (0x00000000) | ||
67 | #endif | ||
68 | |||
69 | #define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) | ||
70 | #define __pa(x) ((unsigned long)(x) - PAGE_OFFSET) | ||
71 | #define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET)) | ||
72 | |||
73 | #ifndef CONFIG_DISCONTIGMEM | ||
74 | #define PFN_BASE (CONFIG_MEMORY_START >> PAGE_SHIFT) | ||
75 | #define ARCH_PFN_OFFSET PFN_BASE | ||
76 | #define pfn_valid(pfn) (((pfn) - PFN_BASE) < max_mapnr) | ||
77 | #endif /* !CONFIG_DISCONTIGMEM */ | ||
78 | |||
79 | #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) | ||
80 | #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) | ||
81 | |||
82 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ | ||
83 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC ) | ||
84 | |||
85 | #define devmem_is_allowed(x) 1 | ||
86 | |||
87 | #include <asm-generic/memory_model.h> | ||
88 | #include <asm-generic/getorder.h> | ||
89 | |||
90 | #endif /* _ASM_M32R_PAGE_H */ | ||