1.安装依赖

OpenBMC是基于Yocto搭建的，基于不同的OS预先需要安装的依赖包和工具，清参考：

1 System Requirements — The Yocto Project ® 5.1.999 documentation

2.下载代码

OpenBMC的源码位于：

openbmc/openbmc: OpenBMC Distribution

clone代码：

$ git clone git@github.com:openbmc/openbmc.git

3.查看支持的硬件平台

OpenBMC目前已经支持多多种硬件平台，所以编译前需要先选择一个指定的硬件平台

#首先进入clone后的源码目录
$ cd openbmc#查看当前支持的硬件,需要注意.和setup之间有一个空格
$ . setup
Target machine must be specified. Use one of:ahe50dc                 huygens                 s7106
bletchley               kudo                    s8036
catalina                lannister               sbp1
daytonax                minerva                 spc621d8hm3
dl360-g11               mori                    starscream
dl360poc                mtjade                  system1
dl385-g11               mtjefferson             tatlin-archive-x86
e3c246d4i               mtmitchell-dcscm        tiogapass
e3c256d4i               ncplite                 transformers
ethanolx                nf5280m7                vegman-n110
evb-ast2500             nicole                  vegman-rx20
evb-ast2600             olympus-nuvoton         vegman-sx20
evb-npcm750             p10bmc                  ventura
evb-npcm845             palmetto                witherspoon
f0b                     pstbmc                  witherspoon-tacoma
fp5280g3                qcom-dc-scm-v1          x11spi
fvp                     quanta-q71l             x570d4u
g220a                   rl300-g11               yosemite4
gbs                     romed8hm3               yosemite4n
genesis3                romulus                 yosemitev2
greatlakes              s2600wf                 zaius

4.选择一个硬件平台

$ . setup evb-ast2600

5.编译

$ bitbake obmc-phosphor-image

初次编译时，需要下载所需的源码，因此会很长时间。

如果因为网络原因没有下载成功，再次执行bitbake obmc-phosphor-image编译即可

编译完成后，所生成的image位于目录：openbmc/build/evb-ast2600/tmp/deploy/images/evb-ast2600

$ ls
aspeed-ast2600-evb--6.6.71+git0+4e798939e6-r0-evb-ast2600-20250128025926.dtb
aspeed-ast2600-evb.dtb
aspeed-ast2600-evb-evb-ast2600.dtb
evb-ast2600-20250128025926.all.tar
evb-ast2600-20250128025926.tar
fitImage
fitImage--6.6.71+git0+4e798939e6-r0-evb-ast2600-20250128025926.bin
fitImage-evb-ast2600.bin
fitImage-its--6.6.71+git0+4e798939e6-r0-evb-ast2600-20250128025926.its
fitImage-its-evb-ast2600
fitImage-its-obmc-phosphor-initramfs-evb-ast2600--6.6.71+git0+4e798939e6-r0-evb-ast2600-20250128025926.its
fitImage-its-obmc-phosphor-initramfs-evb-ast2600-evb-ast2600
fitImage-linux.bin--6.6.71+git0+4e798939e6-r0-evb-ast2600-20250128025926.bin
fitImage-linux.bin-evb-ast2600
fitImage-obmc-phosphor-initramfs-evb-ast2600--6.6.71+git0+4e798939e6-r0-evb-ast2600-20250128025926.bin
fitImage-obmc-phosphor-initramfs-evb-ast2600-evb-ast2600
flash-evb-ast2600
image-bmc
image-kernel
image-rofs
image-rwfs
image-u-boot
obmc-phosphor-image-evb-ast2600-20250128025926.manifest
obmc-phosphor-image-evb-ast2600-20250128025926.qemuboot.conf
obmc-phosphor-image-evb-ast2600-20250128025926.spdx.json
obmc-phosphor-image-evb-ast2600-20250128025926.squashfs-xz
obmc-phosphor-image-evb-ast2600-20250128025926.static.mtd
obmc-phosphor-image-evb-ast2600-20250128025926.static.mtd.all.tar
obmc-phosphor-image-evb-ast2600-20250128025926.static.mtd.tar
obmc-phosphor-image-evb-ast2600-20250128025926.testdata.json
obmc-phosphor-image-evb-ast2600.jffs2
obmc-phosphor-image-evb-ast2600.manifest
obmc-phosphor-image-evb-ast2600.qemuboot.conf
obmc-phosphor-image-evb-ast2600.spdx.json
obmc-phosphor-image-evb-ast2600.squashfs-xz
obmc-phosphor-image-evb-ast2600.static.mtd
obmc-phosphor-image-evb-ast2600.static.mtd.all.tar
obmc-phosphor-image-evb-ast2600.static.mtd.tar
obmc-phosphor-image-evb-ast2600.testdata.json
obmc-phosphor-initramfs-evb-ast2600-20250128025926.cpio.xz
obmc-phosphor-initramfs-evb-ast2600-20250128025926.manifest
obmc-phosphor-initramfs-evb-ast2600-20250128025926.qemuboot.conf
obmc-phosphor-initramfs-evb-ast2600-20250128025926.testdata.json
obmc-phosphor-initramfs-evb-ast2600.cpio.xz
obmc-phosphor-initramfs-evb-ast2600.manifest
obmc-phosphor-initramfs-evb-ast2600.qemuboot.conf
obmc-phosphor-initramfs-evb-ast2600.testdata.json
u-boot.bin
u-boot-evb-ast2600.bin
u-boot-evb-ast2600-v2019.04+git-r0.bin
u-boot-spl.bin
u-boot-spl.bin-evb-ast2600
u-boot-spl.bin-evb-ast2600-v2019.04+git-r0
vmlinux
vmlinux--6.6.71+git0+4e798939e6-r0-evb-ast2600-20250128025926.bin
vmlinux-evb-ast2600.bin