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 p4dval_t; 18 typedef u64 pgdval_t; 19 20 /* 21 * These are used to make use of C type-checking.. 22 */ 23 typedef 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 28 typedef 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 34 typedef struct { pudval_t pud; } pud_t; 35 #define pud_val(x) ((x).pud) 36 #define __pud(x) ((pud_t) { (x) } ) 37 #endif 38 39 #if CONFIG_PGTABLE_LEVELS > 4 40 typedef struct { p4dval_t p4d; } p4d_t; 41 #define p4d_val(x) ((x).p4d) 42 #define __p4d(x) ((p4d_t) { (x) } ) 43 #endif 44 45 typedef struct { pgdval_t pgd; } pgd_t; 46 #define pgd_val(x) ((x).pgd) 47 #define __pgd(x) ((pgd_t) { (x) } ) 48 49 typedef struct { pteval_t pgprot; } pgprot_t; 50 #define pgprot_val(x) ((x).pgprot) 51 #define __pgprot(x) ((pgprot_t) { (x) } ) 52 53 #if CONFIG_PGTABLE_LEVELS == 2 54 #include <asm-generic/pgtable-nopmd.h> 55 #elif CONFIG_PGTABLE_LEVELS == 3 56 #include <asm-generic/pgtable-nopud.h> 57 #elif CONFIG_PGTABLE_LEVELS == 4 58 #include <asm-generic/pgtable-nop4d.h> 59 #endif 60 61 #endif /* __ASM_PGTABLE_TYPES_H */ 62