1 /* 2 * Page table types definitions. 3 * 4 * Copyright (C) 2014 ARM Ltd. 5 * Author: Catalin Marinas <catalin.marinas@arm.com> 6 * 7 * This program is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef __ASM_PGTABLE_TYPES_H 21 #define __ASM_PGTABLE_TYPES_H 22 23 #include <asm/types.h> 24 25 typedef u64 pteval_t; 26 typedef u64 pmdval_t; 27 typedef u64 pudval_t; 28 typedef u64 pgdval_t; 29 30 /* 31 * These are used to make use of C type-checking.. 32 */ 33 typedef struct { pteval_t pte; } pte_t; 34 #define pte_val(x) ((x).pte) 35 #define __pte(x) ((pte_t) { (x) } ) 36 37 #if CONFIG_PGTABLE_LEVELS > 2 38 typedef struct { pmdval_t pmd; } pmd_t; 39 #define pmd_val(x) ((x).pmd) 40 #define __pmd(x) ((pmd_t) { (x) } ) 41 #endif 42 43 #if CONFIG_PGTABLE_LEVELS > 3 44 typedef struct { pudval_t pud; } pud_t; 45 #define pud_val(x) ((x).pud) 46 #define __pud(x) ((pud_t) { (x) } ) 47 #endif 48 49 typedef struct { pgdval_t pgd; } pgd_t; 50 #define pgd_val(x) ((x).pgd) 51 #define __pgd(x) ((pgd_t) { (x) } ) 52 53 typedef struct { pteval_t pgprot; } pgprot_t; 54 #define pgprot_val(x) ((x).pgprot) 55 #define __pgprot(x) ((pgprot_t) { (x) } ) 56 57 #if CONFIG_PGTABLE_LEVELS == 2 58 #include <asm-generic/pgtable-nopmd.h> 59 #elif CONFIG_PGTABLE_LEVELS == 3 60 #include <asm-generic/pgtable-nopud.h> 61 #endif 62 63 #endif /* __ASM_PGTABLE_TYPES_H */ 64