| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 |