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+# HDF Adapter<a name="EN-US_TOPIC_0000001138458641"></a>
+
+-   [Introduction](#section11660541593)
+-   [Directory Structure](#section161941989596)
+-   [Repositories Involved](#section1371113476307)
+
+## Introduction<a name="section11660541593"></a>
+
+This repository stores the code and compilation scripts for the kerner or user-mode Hardware Driver Foundation \(HDF\) of the OpenHarmony driver subsystem and provides basic capabilities for the HDF.
+
+## Directory Structure<a name="section161941989596"></a>
+
+```
+/drivers/adapter
+├── khdf/liteos         # HDF dependent adapter for LiteOS-A kernel
+├── khdf/liteos_m       # HDF dependent adapter for LiteOS-M kernel
+├── uhdf                # HDF user mode interface dependent adapter
+└── uhdf2               # HDF user mode dependent adapter
+```
+
+## Repositories Involved<a name="section1371113476307"></a>
+
+[Driver subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/driver-subsystem.md)
+
+[drivers\_framework](https://gitee.com/openharmony/drivers_framework/blob/master/README.md)
+
+drivers\_adapter
+
+[drivers\_adapter\_khdf\_linux](https://gitee.com/openharmony/drivers_adapter_khdf_linux/blob/master/README.md)
+
diff --git a/README_zh.md b/README_zh.md
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+# HDF适配<a name="ZH-CN_TOPIC_0000001138458641"></a>
+
+-   [简介](#section11660541593)
+-   [目录](#section161941989596)
+-   [相关仓](#section1371113476307)
+
+## 简介<a name="section11660541593"></a>
+
+该仓主要存放OpenHarmony驱动子系统内核或用户态驱动框架的代码和编译脚本，提供驱动框架的能力。
+
+## 目录<a name="section161941989596"></a>
+
+```
+/drivers/adapter
+├── khdf/liteos         #提供驱动框架对LiteOS-A内核依赖适配
+├── khdf/liteos_m       #提供驱动框架对LiteOS-M内核依赖适配
+├── uhdf                #提供用户态驱动接口对系统依赖适配
+└── uhdf2               #提供用户态驱动框架对系统依赖适配
+```
+
+## 相关仓<a name="section1371113476307"></a>
+
+[驱动子系统](https://gitee.com/openharmony/docs/blob/master/zh-cn/readme/%E9%A9%B1%E5%8A%A8%E5%AD%90%E7%B3%BB%E7%BB%9F.md)
+
+[drivers\_framework](https://gitee.com/openharmony/drivers_framework/blob/master/README_zh.md)
+
+drivers\_adapter
+
+[drivers\_adapter\_khdf\_linux](https://gitee.com/openharmony/drivers_adapter_khdf_linux/blob/master/README_zh.md)
+