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4f04d8f0 CM |
1 | /* |
2 | * Copyright (C) 2012 ARM Ltd. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | */ | |
16 | #ifndef __ASM_PGTABLE_2LEVEL_TYPES_H | |
17 | #define __ASM_PGTABLE_2LEVEL_TYPES_H | |
18 | ||
6fa3eb70 S |
19 | #include <asm/types.h> |
20 | ||
4f04d8f0 CM |
21 | typedef u64 pteval_t; |
22 | typedef u64 pgdval_t; | |
23 | typedef pgdval_t pmdval_t; | |
24 | ||
25 | #undef STRICT_MM_TYPECHECKS | |
26 | ||
27 | #ifdef STRICT_MM_TYPECHECKS | |
28 | ||
29 | /* | |
30 | * These are used to make use of C type-checking.. | |
31 | */ | |
32 | typedef struct { pteval_t pte; } pte_t; | |
33 | typedef struct { pgdval_t pgd; } pgd_t; | |
34 | typedef struct { pteval_t pgprot; } pgprot_t; | |
35 | ||
36 | #define pte_val(x) ((x).pte) | |
37 | #define pgd_val(x) ((x).pgd) | |
38 | #define pgprot_val(x) ((x).pgprot) | |
39 | ||
40 | #define __pte(x) ((pte_t) { (x) } ) | |
41 | #define __pgd(x) ((pgd_t) { (x) } ) | |
42 | #define __pgprot(x) ((pgprot_t) { (x) } ) | |
43 | ||
44 | #else /* !STRICT_MM_TYPECHECKS */ | |
45 | ||
46 | typedef pteval_t pte_t; | |
47 | typedef pgdval_t pgd_t; | |
48 | typedef pteval_t pgprot_t; | |
49 | ||
50 | #define pte_val(x) (x) | |
51 | #define pgd_val(x) (x) | |
52 | #define pgprot_val(x) (x) | |
53 | ||
54 | #define __pte(x) (x) | |
55 | #define __pgd(x) (x) | |
56 | #define __pgprot(x) (x) | |
57 | ||
58 | #endif /* STRICT_MM_TYPECHECKS */ | |
59 | ||
60 | #include <asm-generic/pgtable-nopmd.h> | |
61 | ||
62 | #endif /* __ASM_PGTABLE_2LEVEL_TYPES_H */ |