| /* |
| * arch/arm/include/asm/pgtable-3level-types.h |
| * |
| * Copyright (C) 2011 ARM Ltd. |
| * Author: Catalin Marinas <catalin.marinas@arm.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #ifndef _ASM_PGTABLE_3LEVEL_TYPES_H |
| #define _ASM_PGTABLE_3LEVEL_TYPES_H |
| |
| #include <asm/types.h> |
| |
| typedef u64 pteval_t; |
| typedef u64 pmdval_t; |
| typedef u64 pgdval_t; |
| |
| #undef STRICT_MM_TYPECHECKS |
| |
| #ifdef STRICT_MM_TYPECHECKS |
| |
| /* |
| * These are used to make use of C type-checking.. |
| */ |
| typedef struct { pteval_t pte; } pte_t; |
| typedef struct { pmdval_t pmd; } pmd_t; |
| typedef struct { pgdval_t pgd; } pgd_t; |
| typedef struct { pteval_t pgprot; } pgprot_t; |
| |
| #define pte_val(x) ((x).pte) |
| #define pmd_val(x) ((x).pmd) |
| #define pgd_val(x) ((x).pgd) |
| #define pgprot_val(x) ((x).pgprot) |
| |
| #define __pte(x) ((pte_t) { (x) } ) |
| #define __pmd(x) ((pmd_t) { (x) } ) |
| #define __pgd(x) ((pgd_t) { (x) } ) |
| #define __pgprot(x) ((pgprot_t) { (x) } ) |
| |
| #else /* !STRICT_MM_TYPECHECKS */ |
| |
| typedef pteval_t pte_t; |
| typedef pmdval_t pmd_t; |
| typedef pgdval_t pgd_t; |
| typedef pteval_t pgprot_t; |
| |
| #define pte_val(x) (x) |
| #define pmd_val(x) (x) |
| #define pgd_val(x) (x) |
| #define pgprot_val(x) (x) |
| |
| #define __pte(x) (x) |
| #define __pmd(x) (x) |
| #define __pgd(x) (x) |
| #define __pgprot(x) (x) |
| |
| #endif /* STRICT_MM_TYPECHECKS */ |
| |
| #endif /* _ASM_PGTABLE_3LEVEL_TYPES_H */ |