1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * arch/arm/include/asm/pgtable-3level-types.h
4 *
5 * Copyright (C) 2011 ARM Ltd.
6 * Author: Catalin Marinas <catalin.marinas@arm.com>
7 */
8#ifndef _ASM_PGTABLE_3LEVEL_TYPES_H
9#define _ASM_PGTABLE_3LEVEL_TYPES_H
10
11#include <asm/types.h>
12
13typedef u64 pteval_t;
14typedef u64 pmdval_t;
15typedef u64 pgdval_t;
16
17#undef STRICT_MM_TYPECHECKS
18
19#ifdef STRICT_MM_TYPECHECKS
20
21/*
22 * These are used to make use of C type-checking..
23 */
24typedef struct { pteval_t pte; } pte_t;
25typedef struct { pmdval_t pmd; } pmd_t;
26typedef struct { pgdval_t pgd; } pgd_t;
27typedef struct { pteval_t pgprot; } pgprot_t;
28
29#define pte_val(x)      ((x).pte)
30#define pmd_val(x)      ((x).pmd)
31#define pgd_val(x)	((x).pgd)
32#define pgprot_val(x)   ((x).pgprot)
33
34#define __pte(x)        ((pte_t) { (x) } )
35#define __pmd(x)        ((pmd_t) { (x) } )
36#define __pgd(x)	((pgd_t) { (x) } )
37#define __pgprot(x)     ((pgprot_t) { (x) } )
38
39#else	/* !STRICT_MM_TYPECHECKS */
40
41typedef pteval_t pte_t;
42typedef pmdval_t pmd_t;
43typedef pgdval_t pgd_t;
44typedef pteval_t pgprot_t;
45
46#define pte_val(x)	(x)
47#define pmd_val(x)	(x)
48#define pgd_val(x)	(x)
49#define pgprot_val(x)	(x)
50
51#define __pte(x)	(x)
52#define __pmd(x)	(x)
53#define __pgd(x)	(x)
54#define __pgprot(x)	(x)
55
56#endif	/* STRICT_MM_TYPECHECKS */
57
58#endif	/* _ASM_PGTABLE_3LEVEL_TYPES_H */
59