--------------------------------------------------------------------------------
一、buildroot编译:
--------------------------------------------------------------------------------
1、修改fw_env.conf文件
med@med:~/work/project/rootfs/buildroot-external-st$
med@med:~/work/project/rootfs/buildroot-external-st$
med@med:~/work/project/rootfs/buildroot-external-st$ gedit board/stmicroelectronics/stm32mp1/overlay-demo/etc/fw_env.config
med@med:~/work/project/rootfs/buildroot-external-st$
/dev/mmcblk0p4 -0x2000 0x2000
/dev/mmcblk0p4 -0x2000 0x2000
2、
med@med:~/work/project/rootfs/buildroot$
med@med:~/work/project/rootfs/buildroot$ mv dl/ dl.bak
med@med:~/work/project/rootfs/buildroot$
med@med:~/work/project/rootfs/b