添加rtthread相关代码

riscv/rtthread/components/mprotect/mprotect.h

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-09-25     tangzz98     the first version
+ */
+
+#ifndef __MPROTECT_H__
+#define __MPROTECT_H__
+
+#include <rtdef.h>
+#include <mputype.h>
+
+#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))
+
+typedef struct
+{
+    void *start;
+    rt_size_t size;
+    rt_mem_attr_t attr;
+} rt_mem_region_t;
+
+#include <mpu.h>
+
+typedef struct
+{
+    rt_mem_region_t region;
+    rt_thread_t owner;
+} rt_mem_exclusive_region_t;
+
+int rt_mprotect_init(void);
+rt_err_t rt_mprotect_add_region(rt_thread_t thread, rt_mem_region_t *region);
+rt_err_t rt_mprotect_delete_region(rt_thread_t thread, rt_mem_region_t *region);
+rt_err_t rt_mprotect_update_region(rt_thread_t thread, rt_mem_region_t *region);
+rt_err_t rt_mprotect_add_exclusive_region(void *start, rt_size_t size);
+rt_err_t rt_mprotect_delete_exclusive_region(void *start, rt_size_t size);
+
+#endif /* __MPROTECT_H__ */