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