/*
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* Page table types definitions.
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*
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* Copyright (C) 2014 ARM Ltd.
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* Author: Catalin Marinas <catalin.marinas@arm.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_PGTABLE_TYPES_H
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#define __ASM_PGTABLE_TYPES_H
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#include <asm/types.h>
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typedef u64 pteval_t;
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typedef u64 pmdval_t;
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typedef u64 pudval_t;
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typedef u64 pgdval_t;
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/*
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* These are used to make use of C type-checking..
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*/
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typedef struct { pteval_t pte; } pte_t;
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#define pte_val(x) ((x).pte)
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#define __pte(x) ((pte_t) { (x) } )
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#if CONFIG_PGTABLE_LEVELS > 2
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typedef struct { pmdval_t pmd; } pmd_t;
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#define pmd_val(x) ((x).pmd)
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#define __pmd(x) ((pmd_t) { (x) } )
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#endif
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#if CONFIG_PGTABLE_LEVELS > 3
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typedef struct { pudval_t pud; } pud_t;
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#define pud_val(x) ((x).pud)
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#define __pud(x) ((pud_t) { (x) } )
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#endif
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typedef struct { pgdval_t pgd; } pgd_t;
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#define pgd_val(x) ((x).pgd)
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#define __pgd(x) ((pgd_t) { (x) } )
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typedef struct { pteval_t pgprot; } pgprot_t;
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#define pgprot_val(x) ((x).pgprot)
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#define __pgprot(x) ((pgprot_t) { (x) } )
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#if CONFIG_PGTABLE_LEVELS == 2
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#define __ARCH_USE_5LEVEL_HACK
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#include <asm-generic/pgtable-nopmd.h>
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#elif CONFIG_PGTABLE_LEVELS == 3
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#define __ARCH_USE_5LEVEL_HACK
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#include <asm-generic/pgtable-nopud.h>
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#elif CONFIG_PGTABLE_LEVELS == 4
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#include <asm-generic/5level-fixup.h>
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#endif
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#endif /* __ASM_PGTABLE_TYPES_H */
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