pgtable-types.h (1305B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Page table types definitions. 4 * 5 * Copyright (C) 2014 ARM Ltd. 6 * Author: Catalin Marinas <catalin.marinas@arm.com> 7 */ 8 9#ifndef __ASM_PGTABLE_TYPES_H 10#define __ASM_PGTABLE_TYPES_H 11 12#include <asm/types.h> 13 14typedef u64 pteval_t; 15typedef u64 pmdval_t; 16typedef u64 pudval_t; 17typedef u64 p4dval_t; 18typedef u64 pgdval_t; 19 20/* 21 * These are used to make use of C type-checking.. 22 */ 23typedef struct { pteval_t pte; } pte_t; 24#define pte_val(x) ((x).pte) 25#define __pte(x) ((pte_t) { (x) } ) 26 27#if CONFIG_PGTABLE_LEVELS > 2 28typedef struct { pmdval_t pmd; } pmd_t; 29#define pmd_val(x) ((x).pmd) 30#define __pmd(x) ((pmd_t) { (x) } ) 31#endif 32 33#if CONFIG_PGTABLE_LEVELS > 3 34typedef struct { pudval_t pud; } pud_t; 35#define pud_val(x) ((x).pud) 36#define __pud(x) ((pud_t) { (x) } ) 37#endif 38 39typedef struct { pgdval_t pgd; } pgd_t; 40#define pgd_val(x) ((x).pgd) 41#define __pgd(x) ((pgd_t) { (x) } ) 42 43typedef struct { pteval_t pgprot; } pgprot_t; 44#define pgprot_val(x) ((x).pgprot) 45#define __pgprot(x) ((pgprot_t) { (x) } ) 46 47#if CONFIG_PGTABLE_LEVELS == 2 48#include <asm-generic/pgtable-nopmd.h> 49#elif CONFIG_PGTABLE_LEVELS == 3 50#include <asm-generic/pgtable-nopud.h> 51#elif CONFIG_PGTABLE_LEVELS == 4 52#include <asm-generic/pgtable-nop4d.h> 53#endif 54 55#endif /* __ASM_PGTABLE_TYPES_H */