18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (C) 1999-2002 Russell King 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#ifndef _ASMARM_SET_MEMORY_H 78c2ecf20Sopenharmony_ci#define _ASMARM_SET_MEMORY_H 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#ifdef CONFIG_MMU 108c2ecf20Sopenharmony_ciint set_memory_ro(unsigned long addr, int numpages); 118c2ecf20Sopenharmony_ciint set_memory_rw(unsigned long addr, int numpages); 128c2ecf20Sopenharmony_ciint set_memory_x(unsigned long addr, int numpages); 138c2ecf20Sopenharmony_ciint set_memory_nx(unsigned long addr, int numpages); 148c2ecf20Sopenharmony_ci#else 158c2ecf20Sopenharmony_cistatic inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } 168c2ecf20Sopenharmony_cistatic inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } 178c2ecf20Sopenharmony_cistatic inline int set_memory_x(unsigned long addr, int numpages) { return 0; } 188c2ecf20Sopenharmony_cistatic inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } 198c2ecf20Sopenharmony_ci#endif 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ci#ifdef CONFIG_STRICT_KERNEL_RWX 228c2ecf20Sopenharmony_civoid set_kernel_text_rw(void); 238c2ecf20Sopenharmony_civoid set_kernel_text_ro(void); 248c2ecf20Sopenharmony_ci#else 258c2ecf20Sopenharmony_cistatic inline void set_kernel_text_rw(void) { } 268c2ecf20Sopenharmony_cistatic inline void set_kernel_text_ro(void) { } 278c2ecf20Sopenharmony_ci#endif 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ci#endif 30