71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/* 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 pmd_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 pmd_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 __pmd(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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#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
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VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
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#endif /* __KERNEL__ */
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#endif
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