1config AVB_LIBAVB_USER 2 bool "Android AVB read/write hardware" 3 help 4 This config support the android things system to 5 read/write hardware image, like vbmeta, misc, and 6 so on. And it can provide some a/b and avb information 7 to fastboot and kernel. 8 9config AVB_VBMETA_PUBLIC_KEY_VALIDATE 10 bool "Support vbmeta public key validate" 11 depends on AVB_LIBAVB_USER 12 select CONSOLE_DISABLE_CTRLC 13 help 14 support vbmeta public key validate, system bootflow would be 15 uninterruptale when it is enabled: 16 - only allow "boot_android" as bootcmd; 17 - enter rockusb or fastboot when boot failed; 18 - not allow ctrl+c to enter hush; 19 only the CONFIG_BOOTDELAY can interrupt the bootflow. 20 21config SPL_AVB_LIBAVB_USER 22 bool "Android AVB read/write hardware for spl" 23 help 24 This config support the android things system to 25 read/write hardware image, like vbmeta, misc, and 26 so on. And it can provide some a/b and avb information 27 to fastboot and kernel. 28 29config TPL_AVB_LIBAVB_USER 30 bool "Android AVB read/write hardware for tpl" 31 help 32 This config support the android things system to 33 read/write hardware image, like vbmeta, misc, and 34 so on. And it can provide some a/b and avb information 35 to fastboot and kernel. 36