projects / mirror_ubuntu-artful-kernel.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 | ||
| 57e01390 JL |
30 | /* |
| 31 | * These are used to make use of C type-checking.. | |
| 32 | */ | |
| 33 | typedef struct { pteval_t pte; } pte_t; | |
| 57e01390 | 34 | #define pte_val(x) ((x).pte) |
| 57e01390 | 35 | #define __pte(x) ((pte_t) { (x) } ) |
| 0f174025 | 36 | |
| 9f25e6ad | 37 | #if CONFIG_PGTABLE_LEVELS > 2 |
| 0f174025 CM |
38 | typedef struct { pmdval_t pmd; } pmd_t; |
| 39 | #define pmd_val(x) ((x).pmd) | |
| 57e01390 | 40 | #define __pmd(x) ((pmd_t) { (x) } ) |
| 0f174025 CM |
41 | #endif |
| 42 | ||
| 9f25e6ad | 43 | #if CONFIG_PGTABLE_LEVELS > 3 |
| 0f174025 CM |
44 | typedef struct { pudval_t pud; } pud_t; |
| 45 | #define pud_val(x) ((x).pud) | |
| 57e01390 | 46 | #define __pud(x) ((pud_t) { (x) } ) |
| 0f174025 CM |
47 | #endif |
| 48 | ||
| 49 | typedef struct { pgdval_t pgd; } pgd_t; | |
| 50 | #define pgd_val(x) ((x).pgd) | |
| 57e01390 | 51 | #define __pgd(x) ((pgd_t) { (x) } ) |
| 0f174025 CM |
52 | |
| 53 | typedef struct { pteval_t pgprot; } pgprot_t; | |
| 54 | #define pgprot_val(x) ((x).pgprot) | |
| 57e01390 JL |
55 | #define __pgprot(x) ((pgprot_t) { (x) } ) |
| 56 | ||
| 9f25e6ad | 57 | #if CONFIG_PGTABLE_LEVELS == 2 |
| 9849a569 | 58 | #define __ARCH_USE_5LEVEL_HACK |
| 0f174025 | 59 | #include <asm-generic/pgtable-nopmd.h> |
| 9f25e6ad | 60 | #elif CONFIG_PGTABLE_LEVELS == 3 |
| 9849a569 | 61 | #define __ARCH_USE_5LEVEL_HACK |
| 0f174025 | 62 | #include <asm-generic/pgtable-nopud.h> |
| 9849a569 KS |
63 | #elif CONFIG_PGTABLE_LEVELS == 4 |
| 64 | #include <asm-generic/5level-fixup.h> | |
| 0f174025 CM |
65 | #endif |
| 66 | ||
| 67 | #endif /* __ASM_PGTABLE_TYPES_H */ |