1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) 1999-2002 Russell King
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #ifndef _ASMARM_SET_MEMORY_H
7*4882a593Smuzhiyun #define _ASMARM_SET_MEMORY_H
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifdef CONFIG_MMU
10*4882a593Smuzhiyun int set_memory_ro(unsigned long addr, int numpages);
11*4882a593Smuzhiyun int set_memory_rw(unsigned long addr, int numpages);
12*4882a593Smuzhiyun int set_memory_x(unsigned long addr, int numpages);
13*4882a593Smuzhiyun int set_memory_nx(unsigned long addr, int numpages);
14*4882a593Smuzhiyun #else
set_memory_ro(unsigned long addr,int numpages)15*4882a593Smuzhiyun static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
set_memory_rw(unsigned long addr,int numpages)16*4882a593Smuzhiyun static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
set_memory_x(unsigned long addr,int numpages)17*4882a593Smuzhiyun static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
set_memory_nx(unsigned long addr,int numpages)18*4882a593Smuzhiyun static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
19*4882a593Smuzhiyun #endif
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun #ifdef CONFIG_STRICT_KERNEL_RWX
22*4882a593Smuzhiyun void set_kernel_text_rw(void);
23*4882a593Smuzhiyun void set_kernel_text_ro(void);
24*4882a593Smuzhiyun #else
set_kernel_text_rw(void)25*4882a593Smuzhiyun static inline void set_kernel_text_rw(void) { }
set_kernel_text_ro(void)26*4882a593Smuzhiyun static inline void set_kernel_text_ro(void) { }
27*4882a593Smuzhiyun #endif
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun #endif
30