2 * Page table types definitions.
4 * Copyright (C) 2014 ARM Ltd.
5 * Author: Catalin Marinas <catalin.marinas@arm.com>
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.
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.
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/>.
20 #ifndef __ASM_PGTABLE_TYPES_H
21 #define __ASM_PGTABLE_TYPES_H
23 #include <asm/types.h>
31 * These are used to make use of C type-checking..
33 typedef struct { pteval_t pte; } pte_t;
34 #define pte_val(x) ((x).pte)
35 #define __pte(x) ((pte_t) { (x) } )
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) } )
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) } )
49 typedef struct { pgdval_t pgd; } pgd_t;
50 #define pgd_val(x) ((x).pgd)
51 #define __pgd(x) ((pgd_t) { (x) } )
53 typedef struct { pteval_t pgprot; } pgprot_t;
54 #define pgprot_val(x) ((x).pgprot)
55 #define __pgprot(x) ((pgprot_t) { (x) } )
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>
63 #endif /* __ASM_PGTABLE_TYPES_H */