summaryrefslogtreecommitdiff
path: root/arch/arm/include/asm/set_memory.h
blob: a1ceff4295d3c01dab906f51e04388ebf8a75887 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 1999-2002 Russell King
 */

#ifndef _ASMARM_SET_MEMORY_H
#define _ASMARM_SET_MEMORY_H

#ifdef CONFIG_MMU
int set_memory_ro(unsigned long addr, int numpages);
int set_memory_rw(unsigned long addr, int numpages);
int set_memory_x(unsigned long addr, int numpages);
int set_memory_nx(unsigned long addr, int numpages);
#else
static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
#endif

#ifdef CONFIG_STRICT_KERNEL_RWX
void set_kernel_text_rw(void);
void set_kernel_text_ro(void);
#else
static inline void set_kernel_text_rw(void) { }
static inline void set_kernel_text_ro(void) { }
#endif

#endif