Add support for avbtool in custom_images.
Set CUSTOM_IMAGE_AVB_ENABLE := true to enable avb, add_hashtree_footer
args can be added in CUSTOM_IMAGE_AVB_ADD_HASHTREE_FOOTER_ARGS.
Bug: 38319818
Test: m custom_images
Change-Id: Ia452dc5ce8b55bcbd3abba9e965b72e78fd8c104
diff --git a/core/tasks/build_custom_images.mk b/core/tasks/build_custom_images.mk
index 8ebf89b..c5f2a96 100644
--- a/core/tasks/build_custom_images.mk
+++ b/core/tasks/build_custom_images.mk
@@ -54,6 +54,8 @@
CUSTOM_IMAGE_SELINUX \
CUSTOM_IMAGE_SUPPORT_VERITY \
CUSTOM_IMAGE_VERITY_BLOCK_DEVICE \
+ CUSTOM_IMAGE_AVB_ENABLE \
+ CUSTOM_IMAGE_AVB_ADD_HASHTREE_FOOTER_ARGS \
# We don't expect product makefile to inherit/override PRODUCT_CUSTOM_IMAGE_MAKEFILES,
# so we don't put it in the _product_var_list.
diff --git a/core/tasks/tools/build_custom_image.mk b/core/tasks/tools/build_custom_image.mk
index f0db476..f916e86 100644
--- a/core/tasks/tools/build_custom_image.mk
+++ b/core/tasks/tools/build_custom_image.mk
@@ -74,6 +74,11 @@
$(my_built_custom_image): PRIVATE_VERITY_KEY := $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_VERITY_SIGNING_KEY)
$(my_built_custom_image): PRIVATE_VERITY_BLOCK_DEVICE := $(CUSTOM_IMAGE_VERITY_BLOCK_DEVICE)
$(my_built_custom_image): PRIVATE_DICT_FILE := $(CUSTOM_IMAGE_DICT_FILE)
+$(my_built_custom_image): PRIVATE_AVB_ENABLE := $(CUSTOM_IMAGE_AVB_ENABLE)
+$(my_built_custom_image): PRIVATE_AVB_ADD_HASHTREE_FOOTER_ARGS := $(CUSTOM_IMAGE_AVB_ADD_HASHTREE_FOOTER_ARGS)
+ifeq (true,$(CUSTOM_IMAGE_AVB_ENABLE))
+ $(my_built_custom_image): $(AVBTOOL)
+endif
$(my_built_custom_image): $(INTERNAL_USERIMAGES_DEPS) $(my_built_modules) $(my_image_copy_files) \
$(CUSTOM_IMAGE_DICT_FILE)
@echo "Build image $@"
@@ -97,6 +102,11 @@
echo "verity_key=$(PRIVATE_VERITY_KEY)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
echo "verity_signer_cmd=$(VERITY_SIGNER)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
echo "verity_block_device=$(PRIVATE_VERITY_BLOCK_DEVICE)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt)
+ $(if $(PRIVATE_AVB_ENABLE),\
+ $(hide) echo "avb_enable=$(PRIVATE_AVB_ENABLE)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
+ echo "avb_avbtool=$(AVBTOOL)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
+ echo "avb_signing_args=$(INTERNAL_AVB_SIGNING_ARGS)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
+ echo "avb_add_hashtree_footer_args=$(PRIVATE_AVB_ADD_HASHTREE_FOOTER_ARGS)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt)
$(if $(PRIVATE_DICT_FILE),\
$(hide) echo "# Properties from $(PRIVATE_DICT_FILE)" >> $(PRIVATE_INTERMEDIATES)/image_info.txt;\
cat $(PRIVATE_DICT_FILE) >> $(PRIVATE_INTERMEDIATES)/image_info.txt)
