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# Use this file to generate dtb.img and dtbo.img instead of using
# BOARD_PREBUILT_DTBIMAGE_DIR. We need to keep dtb and dtbo files at the fixed
# positions in images, so that bootloader can rely on their indexes in the
# image. As dtbo.img must be signed with AVB tool, we generate intermediate
# dtbo.img, and the resulting $(PRODUCT_OUT)/dtbo.img will be created with
# Android build system, by exploiting BOARD_PREBUILT_DTBOIMAGE variable.
ifneq ($(filter beagle_x15%, $(TARGET_DEVICE)),)
MKDTIMG := $(realpath prebuilts/misc/$(HOST_PREBUILT_TAG)/libufdt/mkdtimg)
DTBIMAGE := $(PRODUCT_OUT)/dtb.img
DTBOIMAGE := $(PRODUCT_OUT)/$(DTBO_UNSIGNED)
# Please keep this list fixed: add new files in the end of the list
DTB_FILES := \
$(DTB_DIR)/am57xx-beagle-x15-revc.dtb \
# Please keep this list fixed: add new files in the end of the list
DTBO_FILES := \
$(DTBO_DIR)/am57xx-evm-common.dtbo \
$(DTBO_DIR)/am57xx-evm-reva3.dtbo
$(DTBIMAGE): $(DTB_FILES)
cat $^ > $@
$(DTBOIMAGE): $(DTBO_FILES)
$(MKDTIMG) create $@ $^
include $(CLEAR_VARS)
LOCAL_MODULE := dtbimage
LOCAL_ADDITIONAL_DEPENDENCIES := $(DTBIMAGE)
include $(BUILD_PHONY_PACKAGE)
include $(CLEAR_VARS)
LOCAL_MODULE := dtboimage
LOCAL_ADDITIONAL_DEPENDENCIES := $(DTBOIMAGE)
include $(BUILD_PHONY_PACKAGE)
droidcore: dtbimage dtboimage
endif
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