system.img

out/host/linux-x86/bin/mkyaffs2image -f  out/target/product/generic/system out/target/product/generic/obj/PACKAGING/systemimage_intermediates/system.img

out/host/linux-x86/bin/acp -fpt out/target/product/generic/obj/PACKAGING/systemimage_intermediates/system.img out/target/product/generic/system.img

out/host/linux-x86/bin/mkbootfs out/target/product/generic/root | out/host/linux-x86/bin/minigzip > out/target/product/generic/ramdisk.img