1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * arch/arm/include/asm/page-nommu.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2004 Hyok S. Choi 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _ASMARM_PAGE_NOMMU_H 9*4882a593Smuzhiyun #define _ASMARM_PAGE_NOMMU_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #define clear_page(page) memset((page), 0, PAGE_SIZE) 12*4882a593Smuzhiyun #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define clear_user_page(page, vaddr, pg) clear_page(page) 15*4882a593Smuzhiyun #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* 18*4882a593Smuzhiyun * These are used to make use of C type-checking.. 19*4882a593Smuzhiyun */ 20*4882a593Smuzhiyun typedef unsigned long pte_t; 21*4882a593Smuzhiyun typedef unsigned long pmd_t; 22*4882a593Smuzhiyun typedef unsigned long pgd_t[2]; 23*4882a593Smuzhiyun typedef unsigned long pgprot_t; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #define pte_val(x) (x) 26*4882a593Smuzhiyun #define pmd_val(x) (x) 27*4882a593Smuzhiyun #define pgd_val(x) ((x)[0]) 28*4882a593Smuzhiyun #define pgprot_val(x) (x) 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #define __pte(x) (x) 31*4882a593Smuzhiyun #define __pmd(x) (x) 32*4882a593Smuzhiyun #define __pgprot(x) (x) 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #endif 35