1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2005-2017 Andes Technology Corporation 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _ASMNDS32_PAGE_H 7*4882a593Smuzhiyun #define _ASMNDS32_PAGE_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifdef CONFIG_ANDES_PAGE_SIZE_4KB 10*4882a593Smuzhiyun #define PAGE_SHIFT 12 11*4882a593Smuzhiyun #endif 12*4882a593Smuzhiyun #ifdef CONFIG_ANDES_PAGE_SIZE_8KB 13*4882a593Smuzhiyun #define PAGE_SHIFT 13 14*4882a593Smuzhiyun #endif 15*4882a593Smuzhiyun #include <linux/const.h> 16*4882a593Smuzhiyun #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) 17*4882a593Smuzhiyun #define PAGE_MASK (~(PAGE_SIZE-1)) 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #ifdef __KERNEL__ 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #ifndef __ASSEMBLY__ 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun struct page; 24*4882a593Smuzhiyun struct vm_area_struct; 25*4882a593Smuzhiyun #ifdef CONFIG_CPU_CACHE_ALIASING 26*4882a593Smuzhiyun extern void copy_user_highpage(struct page *to, struct page *from, 27*4882a593Smuzhiyun unsigned long vaddr, struct vm_area_struct *vma); 28*4882a593Smuzhiyun extern void clear_user_highpage(struct page *page, unsigned long vaddr); 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, 31*4882a593Smuzhiyun struct page *to); 32*4882a593Smuzhiyun void clear_user_page(void *addr, unsigned long vaddr, struct page *page); 33*4882a593Smuzhiyun #define __HAVE_ARCH_COPY_USER_HIGHPAGE 34*4882a593Smuzhiyun #define clear_user_highpage clear_user_highpage 35*4882a593Smuzhiyun #else 36*4882a593Smuzhiyun #define clear_user_page(page, vaddr, pg) clear_page(page) 37*4882a593Smuzhiyun #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) 38*4882a593Smuzhiyun #endif 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun void clear_page(void *page); 41*4882a593Smuzhiyun void copy_page(void *to, void *from); 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun typedef unsigned long pte_t; 44*4882a593Smuzhiyun typedef unsigned long pgd_t; 45*4882a593Smuzhiyun typedef unsigned long pgprot_t; 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun #define pte_val(x) (x) 48*4882a593Smuzhiyun #define pgd_val(x) (x) 49*4882a593Smuzhiyun #define pgprot_val(x) (x) 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #define __pte(x) (x) 52*4882a593Smuzhiyun #define __pgd(x) (x) 53*4882a593Smuzhiyun #define __pgprot(x) (x) 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun typedef struct page *pgtable_t; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #include <asm/memory.h> 58*4882a593Smuzhiyun #include <asm-generic/getorder.h> 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun #endif /* !__ASSEMBLY__ */ 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun #endif /* __KERNEL__ */ 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun #endif 65