step1:

git clone https://github.com/milkv-duo/duo-build.git -b milkv
cd duo-build
./scripts/repo_clone.sh --gitclone scripts/subtree.xml

step2:

source build/envsetup_soc.sh

• Duo:

  defconfig cv1800b_milkv_duo_sd
  

• Duo256M:

  defconfig sg2002_milkv_duo256m_sd
  

• Duo256M (ARM):

  defconfig sg2002_milkv_duo256m_arm_sd
  

• DuoS SD:

  defconfig sg2000_milkv_duos_sd
  

• DuoS SD (ARM):

  defconfig sg2000_milkv_duos_arm_sd
  

step3:

clean_all
build_all
pack_burn_image

An image with the suffix img will be generated in the install/soc_[target] directory.