1 /* 2 * arch/arm/include/asm/page-nommu.h 3 * 4 * Copyright (C) 2004 Hyok S. Choi 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 11 #ifndef _ASMARM_PAGE_NOMMU_H 12 #define _ASMARM_PAGE_NOMMU_H 13 14 #define clear_page(page) memset((page), 0, PAGE_SIZE) 15 #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) 16 17 #define clear_user_page(page, vaddr, pg) clear_page(page) 18 #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) 19 20 /* 21 * These are used to make use of C type-checking.. 22 */ 23 typedef unsigned long pte_t; 24 typedef unsigned long pmd_t; 25 typedef unsigned long pgd_t[2]; 26 typedef unsigned long pgprot_t; 27 28 #define pte_val(x) (x) 29 #define pmd_val(x) (x) 30 #define pgd_val(x) ((x)[0]) 31 #define pgprot_val(x) (x) 32 33 #define __pte(x) (x) 34 #define __pmd(x) (x) 35 #define __pgprot(x) (x) 36 37 #endif 38