projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 57e01390 | 1 | /* |
| 0f174025 CM |
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 | |
| 57e01390 JL |
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 | */ | |
| 0f174025 CM |
19 | |
| 20 | #ifndef __ASM_PGTABLE_TYPES_H | |
| 21 | #define __ASM_PGTABLE_TYPES_H | |
| 57e01390 JL |
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 | #undef STRICT_MM_TYPECHECKS | |
| 31 | ||
| 32 | #ifdef STRICT_MM_TYPECHECKS | |
| 33 | ||
| 34 | /* | |
| 35 | * These are used to make use of C type-checking.. | |
| 36 | */ | |
| 37 | typedef struct { pteval_t pte; } pte_t; | |
| 57e01390 | 38 | #define pte_val(x) ((x).pte) |
| 57e01390 | 39 | #define __pte(x) ((pte_t) { (x) } ) |
| 0f174025 CM |
40 | |
| 41 | #if CONFIG_ARM64_PGTABLE_LEVELS > 2 | |
| 42 | typedef struct { pmdval_t pmd; } pmd_t; | |
| 43 | #define pmd_val(x) ((x).pmd) | |
| 57e01390 | 44 | #define __pmd(x) ((pmd_t) { (x) } ) |
| 0f174025 CM |
45 | #endif |
| 46 | ||
| 47 | #if CONFIG_ARM64_PGTABLE_LEVELS > 3 | |
| 48 | typedef struct { pudval_t pud; } pud_t; | |
| 49 | #define pud_val(x) ((x).pud) | |
| 57e01390 | 50 | #define __pud(x) ((pud_t) { (x) } ) |
| 0f174025 CM |
51 | #endif |
| 52 | ||
| 53 | typedef struct { pgdval_t pgd; } pgd_t; | |
| 54 | #define pgd_val(x) ((x).pgd) | |
| 57e01390 | 55 | #define __pgd(x) ((pgd_t) { (x) } ) |
| 0f174025 CM |
56 | |
| 57 | typedef struct { pteval_t pgprot; } pgprot_t; | |
| 58 | #define pgprot_val(x) ((x).pgprot) | |
| 57e01390 JL |
59 | #define __pgprot(x) ((pgprot_t) { (x) } ) |
| 60 | ||
| 61 | #else /* !STRICT_MM_TYPECHECKS */ | |
| 62 | ||
| 63 | typedef pteval_t pte_t; | |
| 57e01390 | 64 | #define pte_val(x) (x) |
| 57e01390 | 65 | #define __pte(x) (x) |
| 0f174025 CM |
66 | |
| 67 | #if CONFIG_ARM64_PGTABLE_LEVELS > 2 | |
| 68 | typedef pmdval_t pmd_t; | |
| 69 | #define pmd_val(x) (x) | |
| 57e01390 | 70 | #define __pmd(x) (x) |
| 0f174025 CM |
71 | #endif |
| 72 | ||
| 73 | #if CONFIG_ARM64_PGTABLE_LEVELS > 3 | |
| 74 | typedef pudval_t pud_t; | |
| 75 | #define pud_val(x) (x) | |
| 57e01390 | 76 | #define __pud(x) (x) |
| 0f174025 CM |
77 | #endif |
| 78 | ||
| 79 | typedef pgdval_t pgd_t; | |
| 80 | #define pgd_val(x) (x) | |
| 57e01390 | 81 | #define __pgd(x) (x) |
| 0f174025 CM |
82 | |
| 83 | typedef pteval_t pgprot_t; | |
| 84 | #define pgprot_val(x) (x) | |
| 57e01390 JL |
85 | #define __pgprot(x) (x) |
| 86 | ||
| 87 | #endif /* STRICT_MM_TYPECHECKS */ | |
| 88 | ||
| 0f174025 CM |
89 | #if CONFIG_ARM64_PGTABLE_LEVELS == 2 |
| 90 | #include <asm-generic/pgtable-nopmd.h> | |
| 91 | #elif CONFIG_ARM64_PGTABLE_LEVELS == 3 | |
| 92 | #include <asm-generic/pgtable-nopud.h> | |
| 93 | #endif | |
| 94 | ||
| 95 | #endif /* __ASM_PGTABLE_TYPES_H */ |