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Commit 9c88718c authored by Prakruthi Deepak Heragu's avatar Prakruthi Deepak Heragu Committed by Kaushal Kumar
Browse files

AndroidKernel: Building dtb.img to support header version 2 



The dtb.img is made by concatenating all the compiled dtbs
after the kernel is compiled. This dtb.img is then added to be
a part of the boot.img.

Change-Id: I7667d1c3118962bbc709a362a2b9a2b6419dede4
Signed-off-by: default avatarPrakruthi Deepak Heragu <pheragu@codeaurora.org>
parent 3a3072c9

AndroidKernel.mk

+9 −0
Original line number Diff line number Diff line
@@ -6,6 +6,11 @@ ifeq ($(KERNEL_TARGET),) 
INSTALLED_KERNEL_TARGET := $(PRODUCT_OUT)/kernel

endif



ifneq ($(TARGET_KERNEL_APPEND_DTB), true)

$(info Using DTB Image)

INSTALLED_DTBIMAGE_TARGET := $(PRODUCT_OUT)/dtb.img

endif



TARGET_KERNEL_MAKE_ENV := $(strip $(TARGET_KERNEL_MAKE_ENV))

ifeq ($(TARGET_KERNEL_MAKE_ENV),)

KERNEL_MAKE_ENV :=
@@ -187,6 +192,10 @@ $(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT) 
			echo $(KERNEL_CONFIG_OVERRIDE) >> $(KERNEL_OUT)/.config; \

			$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) $(KERNEL_MAKE_ENV) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(real_cc) oldconfig; fi



# Creating a dtb.img once the kernel is compiled if TARGET_KERNEL_APPEND_DTB is set to be false

$(INSTALLED_DTBIMAGE_TARGET): $(TARGET_PREBUILT_INT_KERNEL)

	cat $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts/vendor/qcom/*.dtb > $@



.PHONY: kerneltags

kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG)

	$(MAKE) -C $(TARGET_KERNEL_SOURCE) O=$(BUILD_ROOT_LOC)$(KERNEL_OUT) $(KERNEL_MAKE_ENV) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(real_cc) tags