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div.hljs-ln-numbers{width:24px;border-right:1px solid #c5c5c5}.htmledit_views code ol li div.hljs-ln-numbers .hljs-ln-line{word-wrap:normal}.htmledit_views code ol.hundred li div.hljs-ln-numbers{width:30px}.htmledit_views code ol.thousand li div.hljs-ln-numbers{width:36px}</style><style class="darkreader darkreader--sync" media="screen"></style><div id="content_views" class="markdown_views prism-atom-one-dark"><!-- flowchart 箭头图标 勿删 --><svg xmlns="http://www.w3.org/2000/svg" style="display: none;"><path stroke-linecap="round" d="M5,0 0,2.5 5,5z" id="raphael-marker-block" style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0);"></path></svg><h1><a name="t0"></a><a id="_0" target="_blank"></a>引言</h1>

目前接触的项目使用海思平台。这里记录下海思3519的开发环境的搭建过程，感觉每次搭建都要参考《Hi3519V101 Linux开发环境用户指南.pdf》很麻烦，重复造轮子，效率极低。

**Hi3519V101 Linux开发环境

安装Hi3519V101 SDK

Hi3519V101 SDK是基于Hi3519V101 DMEB的软件开发包，包含了在Linux相关应用开发时使用的各种工具及其源代码，是用户开发中最基本的软件平台。

安装步骤

拷贝。将Hi3519V101_SDK_V1.0.2.0.tgz拷贝到Linux服务器上。
解压。解压文件，使用命令：tar -zxf Hi3519V101_SDK_V1.0.2.0.tgz。
如果过程中没有提示信息，请等待命令执行完毕。
安装。解压完成后，进入Hi3519V101_SDK_V1.0.2.0目录，执行./sdk.unpack, 执行完成后，安装成功。
如果用户没有root权限，安装过程中必要的时候会提示输入root密码或sudo密码;如果系统提示无可执行权限，运行命令chmod 777 ./sdk.unpack。
注意：默认执行./sdk.unpack是不成功的。会出现：
./sdk.unpack: 2: ./sdk.unpack: source: not found ./sdk.unpack: 4: ./sdk.unpack: ECHO: not found ./sdk.unpack: 6: ./sdk.unpack: WARN: not found ./sdk.unpack: 7: ./sdk.unpack: WARN: not found ./sdk.unpack: 8: ./sdk.unpack: ECHO: not found ./sdk.unpack: 18: ./sdk.unpack: ECHO: not found ./sdk.unpack: 19: ./sdk.unpack: ECHO: not found ./sdk.unpack: 20: ./sdk.unpack: ECHO: not found ./sdk.unpack: 27: ./sdk.unpack: ECHO: not found ./sdk.unpack: 29: ./sdk.unpack: run_command_progress_float: not found ./sdk.unpack: 31: ./sdk.unpack: ECHO: not found ./sdk.unpack: 33: ./sdk.unpack: run_command_progress_float: not found ./sdk.unpack: 37: ./sdk.unpack: ECHO: not found ./sdk.unpack: 44: ./sdk.unpack: run_command_progress_float: not found ./sdk.unpack: 62: ./sdk.unpack: ECHO: not found mkdir: 已创建目录 'mpp_big-little' ./sdk.unpack: 64: ./sdk.unpack: run_command_progress_float: not found ./sdk.unpack: 71: ./sdk.unpack: ECHO: not found mkdir: 已创建目录 'drv' ./sdk.unpack: 73: ./sdk.unpack: run_command_progress_float: not found
原因：

Ubuntu中,/bin/sh默认已经指向dash,这是一个不同于bash的shell，主要是为了执行脚本而出现，而不是交互，dash速度更快，但功能比bash少很多，语法严格遵守POSIX标准。

解决方法1：
步骤1：vim scripts/common.sh; 第一行：#!/bin/sh->!/bin/bash
步骤2：vim sdk.unpack; 第一行：#!/bin/sh->!/bin/bash
步骤3：./sdk.unpack
解决方法2：
步骤1：sudo dpkg-reconfigure dash
步骤2：出现菜单问是否需要dash,选no.
步骤3：./sdk.unpack
解决方法来自易百纳，感谢大神们的分享。链接

安装交叉编译工具链

发布包提供两种编译工具链arm-hisiv500-linux和arm-hisiv600-linux，其中arm-hisiv500-linux为基于uclibc的工具链，arm-hisiv600-linux 为基于 glibc 的工具链。

我使用的是arm-hisiv500-linux，不过两个编译工具链都安装是完全没有问题的。注意，《Hi3519V101 Linux开发环境用户指南.pdf》中的工具链路径是错误的，实际的路径见下面的安装步骤。

步骤1：解压工具链。工具链及其安装程序位于
/hisilicon/Hi3519V101_SDK_V1.0.2.0/osdrv/opensource/toolchain/arm-hisiv500-linux下，进入此命令，执行如下命令解压：
cd toolchain/arm-hisiv500-linux tar -xvf arm-hisiv500-linux.tar.bz2

步骤2：安装工具链。运行命令./arm-hisiv500-linux.install
注意：查看arm-hisiv500-linux.install可以知道交叉编译工具链的安装路径。
步骤3：source /etc/profile使环境变量生效
步骤4：执行arm-hisiv500-linux-gcc -v
出现如下错误：
bash: /opt/hisi-linux/x86-arm/arm-hisiv500-linux/target/bin/arm-hisiv500-linux-gcc: 没有那个文件或目录
解决方法：sudo apt install lib32z1-dev
原因在于宿主机是64为，而交叉编译器是针对32位的开发板制作的。所以要安装对应的32位库。
解决方法来自：链接
然后，执行arm-hisiv500-linux-gcc -v成功。

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