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66 lines
1.9 KiB
66 lines
1.9 KiB
#----------------------------------------------------------------------
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# Generate device tree image (dt.img)
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#----------------------------------------------------------------------
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ifeq ($(strip $(BOARD_CUSTOM_BOOTIMG_MK)),)
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ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DT)),true)
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INSTALLED_DTIMAGE_TARGET := $(PRODUCT_OUT)/dt.img
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ifeq ($(strip $(BOARD_KERNEL_PREBUILT_DT)),)
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ifeq ($(strip $(TARGET_CUSTOM_DTBTOOL)),)
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DTBTOOL_NAME := dtbToolLineage
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else
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DTBTOOL_NAME := $(TARGET_CUSTOM_DTBTOOL)
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endif
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DTBTOOL := $(HOST_OUT_EXECUTABLES)/$(DTBTOOL_NAME)$(HOST_EXECUTABLE_SUFFIX)
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ifeq ($(strip $(TARGET_CUSTOM_DTBTOOL)),)
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# dtbToolLineage will search subdirectories
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possible_dtb_dirs = $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/
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else
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# Most specific paths must come first in possible_dtb_dirs
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possible_dtb_dirs = $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts/ $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/
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endif
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define build-dtimage-target
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$(call pretty,"Target dt image: $@")
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$(hide) for dir in $(possible_dtb_dirs); do \
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if [ -d "$$dir" ]; then \
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dtb_dir="$$dir"; \
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break; \
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fi; \
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done; \
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$(DTBTOOL) $(BOARD_DTBTOOL_ARGS) -o $@ -s $(BOARD_KERNEL_PAGESIZE) -p $(KERNEL_OUT)/scripts/dtc/ "$$dtb_dir";
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$(hide) chmod a+r $@
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endef
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ifeq ($(strip $(BOARD_KERNEL_LZ4C_DT)),true)
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LZ4_DT_IMAGE := $(PRODUCT_OUT)/dt-lz4.img
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endif
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$(INSTALLED_DTIMAGE_TARGET): $(DTBTOOL) $(INSTALLED_KERNEL_TARGET)
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$(build-dtimage-target)
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ifeq ($(strip $(BOARD_KERNEL_LZ4C_DT)),true)
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lz4 -9 < $@ > $(LZ4_DT_IMAGE) || lz4c -c1 -y $@ $(LZ4_DT_IMAGE)
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$(hide) $(ACP) $(LZ4_DT_IMAGE) $@
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endif
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@echo "Made DT image: $@"
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else
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$(INSTALLED_DTIMAGE_TARGET) : $(BOARD_KERNEL_PREBUILT_DT) | $(ACP)
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$(transform-prebuilt-to-target)
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endif # BOARD_KERNEL_PREBUILT_DT
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ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_DTIMAGE_TARGET)
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ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_DTIMAGE_TARGET)
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.PHONY: dtimage
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dtimage: $(INSTALLED_DTIMAGE_TARGET)
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endif
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endif
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