实现MPU抽象层 (#8080)

- 为RT-Thread设计MPU抽象层，支持ARMV7-M，ARMV8-M架构，让用户使用MPU检测栈溢出等内存问题，实现线程内存隔离
- 在components/mp目录下提供通用的API，libcpu目录下提供各处理器架构的具体实现
- 在STM32U575 NUCLEO， STM32H75 NUCLEO开发板测试通过

2 files changed, 12 insertions, 0 deletions

diff --git a/include/rtdef.h b/include/rtdef.h
index c62167f73f..10edc25df1 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -997,6 +997,14 @@ struct rt_thread
     int                         *clear_child_tid;
 #endif /* ARCH_MM_MMU */
 #endif /* RT_USING_SMART */
+
+#ifdef RT_USING_MEM_PROTECTION
+    void *mem_regions;
+#ifdef RT_USING_HW_STACK_GUARD
+    void *stack_buf;
+#endif
+#endif
+
     rt_atomic_t                 ref_count;
     struct rt_spinlock          spinlock;
     rt_ubase_t                  user_data;              /**< private user data beyond this thread */
diff --git a/include/rthw.h b/include/rthw.h
index 6e7773805a..ba3bb14cbd 100644
--- a/include/rthw.h
+++ b/include/rthw.h
@@ -99,6 +99,10 @@ rt_uint8_t *rt_hw_stack_init(void       *entry,
                              rt_uint8_t *stack_addr,
                              void       *exit);
 
+#ifdef RT_USING_HW_STACK_GUARD
+void rt_hw_stack_guard_init(rt_thread_t thread);
+#endif
+
 /*
  * Interrupt handler definition
  */