| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * arch/arm/include/asm/page-nommu.h |
| 4 | * |
| 5 | * Copyright (C) 2004 Hyok S. Choi |
| 6 | */ |
| 7 | |
| 8 | #ifndef _ASMARM_PAGE_NOMMU_H |
| 9 | #define _ASMARM_PAGE_NOMMU_H |
| 10 | |
| 11 | #define clear_page(page) memset((page), 0, PAGE_SIZE) |
| 12 | #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) |
| 13 | |
| 14 | #define clear_user_page(page, vaddr, pg) clear_page(page) |
| 15 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) |
| 16 | |
| 17 | /* |
| 18 | * These are used to make use of C type-checking.. |
| 19 | */ |
| 20 | typedef unsigned long pte_t; |
| 21 | typedef unsigned long pmd_t; |
| 22 | typedef unsigned long pgd_t[2]; |
| 23 | typedef unsigned long pgprot_t; |
| 24 | |
| 25 | #define pte_val(x) (x) |
| 26 | #define pmd_val(x) (x) |
| 27 | #define pgd_val(x) ((x)[0]) |
| 28 | #define pgprot_val(x) (x) |
| 29 | |
| 30 | #define __pte(x) (x) |
| 31 | #define __pmd(x) (x) |
| 32 | #define __pgprot(x) (x) |
| 33 | |
| 34 | #endif |