1、安装一些依赖:
sudo apt install gcc flex bison libssl-dev bc kmod
2、下载源码:
Linux的kernel官网:Kernel官网,可以直接去荔枝派的Github仓库下载:荔枝派的Github仓库
git clone -b zero-5.2.y --depth 1 https://github.com/Lichee-Pi/linux.git
加上--depth 1表示拉去的是最近一次更改的版本。
3、修改顶层Makefile文件(方便之后的编译):
ARCH = arm //指定芯片架构
CROSS_COMPILE = arm-linux-gnueabihf- //指定编译器版本
4、编译源码,生成zImage、dtb
cd linux
make licheepi_zero_defconfig //生成config文件
make menuconfig //一般不用修改,需要时单独改
make -j16
make dtbs //编译设备树
编译完成之后,在arch/arm/boot下,生成zImage文件,在arch/arm/boot/dts下生成相应的设备树文件。
5、Kernel适配Ethernet
配置menuconfig:
make ARCH=arm menuconfig
设置以太网支持:
Device Drivers —>
[ * ] Network device support —>
[ * ] Ethernet driver support —>
[ * ] STMicroelectronics devices
< * > STMicroelectronics Multi-Gigabit Ethernet driver
[ ] Support for STMMAC Selftests
< * > STMMAC Platform bus support
< > Support for snps,dwc-qos-ethernet.txt DT binding.
< * > Generic driver for DWMAC
< * > Allwinner GMAC support
< * > Allwinner sun8i GMAC support
配置NFS文件系统相关网络:
Networking support ->
Networking options ->
TCP/IP networking
IP: kernel level autoconfiguration
[ * ] IP: DHCP support
[ * ] IP: BOOTP support
配置NFS文件系统:
File systems —>
Network File Systems —>
< * > NFS client support
< > NFS client support for NFS version 2
[ * ] NFS client support for NFS version 3
[ * ] NFS client support for the NFSv3 ACL protocol extension
[ * ] NFS client support for NFS version 4 (EXPERIMENTAL)
[ * ] NFS client support for NFSv4.1 (DEVELOPER ONLY)
[ * ] Root file system on NFS
将编译生成的zImage和dtb文件放进boot分区即可启动。
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本文指导如何在RaspberryPiZero上安装必要的依赖,从Linux内核源码库下载并编译,重点包括配置Ethernet支持和启用NFS文件系统,最终生成zImage和dtb文件用于启动。
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