M7350/kernel/arch/arm/include/asm/mmu_writeable.h

32 lines
1.2 KiB
C
Raw Normal View History

2024-09-09 08:52:07 +00:00
/*
* Copyright (c) 2011, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _MMU_WRITEABLE_H
#define _MMU_WRITEABLE_H
#ifdef CONFIG_STRICT_MEMORY_RWX
void mem_text_writeable_spinlock(unsigned long *flags);
void mem_text_address_writeable(unsigned long);
void mem_text_address_restore(void);
void mem_text_writeable_spinunlock(unsigned long *flags);
#else
static inline void mem_text_writeable_spinlock(unsigned long *flags) {};
static inline void mem_text_address_writeable(unsigned long addr) {};
static inline void mem_text_address_restore(void) {};
static inline void mem_text_writeable_spinunlock(unsigned long *flags) {};
#endif
void mem_text_write_kernel_word(unsigned long *addr, unsigned long word);
#endif