blob: 4256e19ea202cfdfb3ce4fd2ddccdfbef13c0838 [file] [log] [blame]
DESCRIPTION = "Simple initramfs image for mounting the rootfs over the verity device mapper."
inherit core-image
PACKAGE_INSTALL = " \
base-files \
base-passwd \
busybox \
cryptsetup \
initramfs-module-dmverity \
initramfs-module-udev \
lvm2-udevrules \
udev \
util-linux-mount \
"
# We want a clean, minimal image.
IMAGE_FEATURES = ""
IMAGE_LINGUAS = ""
IMAGE_NAME_SUFFIX ?= ""
# Can we somehow inspect reverse dependencies to avoid these variables?
python __anonymous() {
verity_image = d.getVar('DM_VERITY_IMAGE')
verity_type = d.getVar('DM_VERITY_IMAGE_TYPE')
if verity_image and verity_type:
dep = ' %s:do_image_%s' % (verity_image, verity_type.replace('-', '_'))
d.appendVarFlag('do_image', 'depends', dep)
}
# Ensure dm-verity.env is updated also when rebuilding DM_VERITY_IMAGE
do_image[nostamp] = "1"
IMAGE_FSTYPES = "${INITRAMFS_FSTYPES}"
deploy_verity_hash() {
install -D -m 0644 \
${STAGING_VERITY_DIR}/${DM_VERITY_IMAGE}.${DM_VERITY_IMAGE_TYPE}.verity.env \
${IMAGE_ROOTFS}${datadir}/misc/dm-verity.env
}
IMAGE_PREPROCESS_COMMAND += "deploy_verity_hash;"