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@@ -1 +1,90 @@
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# RT-Thread全志D1移植
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+
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+全志 d1-allwinner-nezha 属于 riscv64 平台
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+
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+## 编译环境搭建
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+
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+- 拉取 RT-Thread 的代码仓库 `git clone https://gitee.com/zhangsz0516/rt-thread.git`
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+
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+- 切换到 rt-smart 分支 `git checkout -b rt-smart origin/rt-smart`
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+
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+### windows 环境
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+
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+- 打开 RT-Thread ENV 工具
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+
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+- 进入bsp目录 `bsp/d1-allwinner-nezha`
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+
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+- 进入 tools 目录 `cd tools`
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+
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+- 拉取 `riscv64`平台的编译工具 `python get_toolchain.py riscv64`
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+
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+- 返回 bsp 目录 `cd ..`
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+
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+- 设置环境变量 `./smart-env.bat`
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+
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+### ubuntu 环境
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+
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+- 打开 ubuntu shell 终端
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+
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+- 进入bsp目录 `bsp/d1-allwinner-nezha`
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+
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+- 进入 tools 目录 `cd tools`
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+
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+- 拉取 `riscv64`平台的编译工具 `python get_toolchain.py riscv64`
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+
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+- 返回 bsp 目录 `cd ..`
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+
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+- 设置环境变量 `./smart-env.sh`
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+
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+### 编译环境验证
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+
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+- 输入:`riscv64-unknown-linux-musl-gcc -v`
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+
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+## 开发与编译
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+
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+- windows 下使用RT-Thread ENV 工具, `menuconfig` 配置工程,`scons` 编译工程
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+
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+- ubuntu 下 使用shell 终端: `scons --menuconfig` 配置工程, `scons` 编译工程
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+
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+
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+## 下载验证
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+
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+- 编译完后,通过:mkimage 生成 img 镜像文件,这个img 镜像文件可以使用 U-boot 引导启动
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+
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+- 启动方式一般有:SD卡启动、NandFlash启动、网络引导启动
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+
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+- windows 下使用全志的:`AllwinnertechPhoeniSuitRelease20201225`
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+
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+- 可以使用 xfel 工具进行烧写NandFlash
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+
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+## 运行效果
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+
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+```c
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+## Booting kernel from Legacy Image at 45000000 ...
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+ Image Name:
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+ Image Type: RISC-V Linux Kernel Image (uncompressed)
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+ Data Size: 249576 Bytes = 243.7 KiB
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+ Load Address: 45000000
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+ Entry Point: 45000000
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+ Verifying Checksum ... OK
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+[01.861]
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+Starting kernel ...
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+heap: [0x45077bb0 - 0x48277bb0]
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+ \ | /
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+- RT - Thread Smart Operating System
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+ / | \ 5.0.0 build Jun 18 2022
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+ 2006 - 2020 Copyright by rt-thread team
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+file system initialization done!
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+Hello RISC-V
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+msh />
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+
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+```
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+
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+## 参考文档
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+
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+- [https://club.rt-thread.org/ask/article/389ac36250b57737.html](https://club.rt-thread.org/ask/article/389ac36250b57737.html)
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