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64 lines
1.6 KiB
64 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2005-2017 Andes Technology Corporation |
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*/ |
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#ifndef _ASMNDS32_PAGE_H |
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#define _ASMNDS32_PAGE_H |
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#ifdef CONFIG_ANDES_PAGE_SIZE_4KB |
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#define PAGE_SHIFT 12 |
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#endif |
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#ifdef CONFIG_ANDES_PAGE_SIZE_8KB |
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#define PAGE_SHIFT 13 |
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#endif |
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#include <linux/const.h> |
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#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) |
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#define PAGE_MASK (~(PAGE_SIZE-1)) |
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#ifdef __KERNEL__ |
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#ifndef __ASSEMBLY__ |
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struct page; |
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struct vm_area_struct; |
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#ifdef CONFIG_CPU_CACHE_ALIASING |
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extern void copy_user_highpage(struct page *to, struct page *from, |
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unsigned long vaddr, struct vm_area_struct *vma); |
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extern void clear_user_highpage(struct page *page, unsigned long vaddr); |
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void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, |
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struct page *to); |
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void clear_user_page(void *addr, unsigned long vaddr, struct page *page); |
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#define __HAVE_ARCH_COPY_USER_HIGHPAGE |
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#define clear_user_highpage clear_user_highpage |
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#else |
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#define clear_user_page(page, vaddr, pg) clear_page(page) |
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#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) |
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#endif |
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void clear_page(void *page); |
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void copy_page(void *to, void *from); |
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typedef unsigned long pte_t; |
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typedef unsigned long pgd_t; |
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typedef unsigned long pgprot_t; |
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#define pte_val(x) (x) |
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#define pgd_val(x) (x) |
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#define pgprot_val(x) (x) |
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#define __pte(x) (x) |
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#define __pgd(x) (x) |
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#define __pgprot(x) (x) |
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typedef struct page *pgtable_t; |
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#include <asm/memory.h> |
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#include <asm-generic/getorder.h> |
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#endif /* !__ASSEMBLY__ */ |
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#endif /* __KERNEL__ */ |
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#endif
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