1 /*
2  * Copyright (c) 2006-2023, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2023-09-25     tangzz98     the first version
9  */
10 
11 #ifndef __MPROTECT_H__
12 #define __MPROTECT_H__
13 
14 #include <rtdef.h>
15 #include <mputype.h>
16 
17 #define ADDR_IN_REGION(addr, region) (((rt_size_t)(addr) >= (rt_size_t)((region)->start)) && ((rt_size_t)(addr) < (rt_size_t)((region)->start) + (region)->size))
18 
19 typedef struct
20 {
21     void *start;
22     rt_size_t size;
23     rt_mem_attr_t attr;
24 } rt_mem_region_t;
25 
26 #include <mpu.h>
27 
28 typedef struct
29 {
30     rt_mem_region_t region;
31     rt_thread_t owner;
32 } rt_mem_exclusive_region_t;
33 
34 int rt_mprotect_init(void);
35 rt_err_t rt_mprotect_add_region(rt_thread_t thread, rt_mem_region_t *region);
36 rt_err_t rt_mprotect_delete_region(rt_thread_t thread, rt_mem_region_t *region);
37 rt_err_t rt_mprotect_update_region(rt_thread_t thread, rt_mem_region_t *region);
38 rt_err_t rt_mprotect_add_exclusive_region(void *start, rt_size_t size);
39 rt_err_t rt_mprotect_delete_exclusive_region(void *start, rt_size_t size);
40 
41 #endif /* __MPROTECT_H__ */
42