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 14 typedef u64 pteval_t; 15 typedef u64 pmdval_t; 16 typedef u64 pudval_t; 17 typedef u64 pgdval_t; 18 19 /* 20 * These are used to make use of C type-checking.. 21 */ 22 typedef struct { pteval_t pte; } pte_t; 23 #define pte_val(x) ((x).pte) 24 #define __pte(x) ((pte_t) { (x) } ) 25 26 #if CONFIG_PGTABLE_LEVELS > 2 27 typedef struct { pmdval_t pmd; } pmd_t; 28 #define pmd_val(x) ((x).pmd) 29 #define __pmd(x) ((pmd_t) { (x) } ) 30 #endif 31 32 #if CONFIG_PGTABLE_LEVELS > 3 33 typedef struct { pudval_t pud; } pud_t; 34 #define pud_val(x) ((x).pud) 35 #define __pud(x) ((pud_t) { (x) } ) 36 #endif 37 38 typedef struct { pgdval_t pgd; } pgd_t; 39 #define pgd_val(x) ((x).pgd) 40 #define __pgd(x) ((pgd_t) { (x) } ) 41 42 typedef struct { pteval_t pgprot; } pgprot_t; 43 #define pgprot_val(x) ((x).pgprot) 44 #define __pgprot(x) ((pgprot_t) { (x) } ) 45 46 #if CONFIG_PGTABLE_LEVELS == 2 47 #define __ARCH_USE_5LEVEL_HACK 48 #include <asm-generic/pgtable-nopmd.h> 49 #elif CONFIG_PGTABLE_LEVELS == 3 50 #define __ARCH_USE_5LEVEL_HACK 51 #include <asm-generic/pgtable-nopud.h> 52 #elif CONFIG_PGTABLE_LEVELS == 4 53 #include <asm-generic/5level-fixup.h> 54 #endif 55 56 #endif /* __ASM_PGTABLE_TYPES_H */ 57