进入SDK安装目录中的uboot源码目录:
root@joe-virtual-machine:~# cd /opt/ti-processor-sdk-linux-am335x-evm-08.02.00.24/
root@joe-virtual-machine:/opt/ti-processor-sdk-linux-am335x-evm-08.02.00.24# cd board-support/u-boot-2021.01+gitAUTOINC+44a87e3ab8-g44a87e3ab8/
root@joe-virtual-machine:/opt/ti-processor-sdk-linux-am335x-evm-08.02.00.24/board-support/u-boot-2021.01+gitAUTOINC+44a87e3ab8-g44a87e3ab8#
设置交叉编译工具的环境变量:
root@joe-virtual-machine:/home/joe# vim /etc/profile
在文件末尾增加:
export PATH=$PATH:/opt/ti-processor-sdk-linux-am335x-evm-08.02.00.24/linux-devkit/sysroots/x86_64-arago-linux/usr/bin
保存退出后,执行以下命令:
root@joe-virtual-machine:/home/joe# source /etc/profile
在命令行中输入“arm”,双击tab键,如下所示表明,环境变量导出成功:
root@joe-virtual-machine:/home/joe# arm
arm2hpdl arm-none-linux-gnueabihf-gcc-ar arm-none-linux-gnueabihf-ld.gold
arm-