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build: Add dtbo task

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Change-Id: I1101cb204ab583a204447d63e6a031a17179dfe7
(cherry picked from commit 8bffb053db418022c7cba5d67234412edd675862)
This commit is contained in:
Luca Stefani 2018-07-12 17:23:54 +02:00
parent a504aa4498
commit d934700c0d
1 changed files with 37 additions and 0 deletions
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37
build/tasks/dtbo.mk Normal file
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@ -0,0 +1,37 @@
ifneq ($(TARGET_NO_KERNEL),true)
ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DTBO)),true)
MKDTIMG := $(HOST_OUT_EXECUTABLES)/mkdtimg$(HOST_EXECUTABLE_SUFFIX)
INSTALLED_DTBOIMAGE_TARGET := $(PRODUCT_OUT)/dtbo.img
# Most specific paths must come first in possible_dtbo_dirs
possible_dtbo_dirs = $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts $(KERNEL_OUT)/arch/arm/boot/dts
define build-dtboimage-target
$(call pretty,"Target dtbo image: $(INSTALLED_DTBOIMAGE_TARGET)")
$(hide) for dir in $(possible_dtbo_dirs); do \
if [ -d "$$dir" ]; then \
dtbo_dir="$$dir"; \
break; \
fi; \
done; \
$(MKDTIMG) create $@ --page_size=$(BOARD_KERNEL_PAGESIZE) $$(find "$$dtbo_dir" -name '*.dtbo')
$(hide) chmod a+r $@
endef
ifeq ($(BOARD_AVB_ENABLE),true)
$(INSTALLED_DTBOIMAGE_TARGET): $(AVBTOOL) $(BOARD_AVB_DTBO_KEY_PATH) $(MKDTIMG) $(INSTALLED_KERNEL_TARGET)
$(build-dtboimage-target)
$(AVBTOOL) add_hash_footer \
--image $@ \
--partition_size $(BOARD_DTBOIMG_PARTITION_SIZE) \
--partition_name dtbo $(INTERNAL_AVB_DTBO_SIGNING_ARGS) \
$(BOARD_AVB_DTBO_ADD_HASH_FOOTER_ARGS)
else
$(INSTALLED_DTBOIMAGE_TARGET): $(MKDTIMG) $(INSTALLED_KERNEL_TARGET)
$(build-dtboimage-target)
endif
endif # BOARD_KERNEL_SEPARATED_DTBO
endif # TARGET_NO_KERNEL