1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 1999-2002 Russell King
 
 
 
 
 4 */
 5
 6#ifndef _ASMARM_SET_MEMORY_H
 7#define _ASMARM_SET_MEMORY_H
 8
 9#ifdef CONFIG_MMU
10int set_memory_ro(unsigned long addr, int numpages);
11int set_memory_rw(unsigned long addr, int numpages);
12int set_memory_x(unsigned long addr, int numpages);
13int set_memory_nx(unsigned long addr, int numpages);
14int set_memory_valid(unsigned long addr, int numpages, int enable);
15#else
16static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
17static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
18static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
19static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
 
 
 
 
 
 
 
 
20#endif
21
22#endif

 
 1/*
 2 * Copyright (C) 1999-2002 Russell King
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License version 2 as
 6 * published by the Free Software Foundation.
 7 */
 8
 9#ifndef _ASMARM_SET_MEMORY_H
10#define _ASMARM_SET_MEMORY_H
11
12#ifdef CONFIG_MMU
13int set_memory_ro(unsigned long addr, int numpages);
14int set_memory_rw(unsigned long addr, int numpages);
15int set_memory_x(unsigned long addr, int numpages);
16int set_memory_nx(unsigned long addr, int numpages);
 
17#else
18static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
19static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
20static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
21static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
22#endif
23
24#ifdef CONFIG_STRICT_KERNEL_RWX
25void set_kernel_text_rw(void);
26void set_kernel_text_ro(void);
27#else
28static inline void set_kernel_text_rw(void) { }
29static inline void set_kernel_text_ro(void) { }
30#endif
31
32#endif