Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Unverified Commit 98447383 authored by Michael Bestas's avatar Michael Bestas
Browse files

kernel: Allow overriding dtb target 

On some devices we might want to build just the *.dtb files
that we actually need instead of the every dtb that exists.

Change-Id: Id7a152499d4ee1dd08f79d34cc34bfe959313515
parent 7e054e52

build/tasks/kernel.mk

+1 −1
Original line number Diff line number Diff line
@@ -481,7 +481,7 @@ $(INSTALLED_DTBIMAGE_TARGET): $(DTC) $(DTB_OUT) 
	@echo "Building dtb.img"

	$(hide) find $(DTB_OUT)/arch/$(KERNEL_ARCH)/boot/dts -type f -name "*.dtb" | xargs rm -f

	$(call make-dtb-target,$(KERNEL_DEFCONFIG))

	$(call make-dtb-target,dtbs)

	$(call make-dtb-target,$(TARGET_KERNEL_DTB))

	cat $(shell find $(DTB_OUT)/arch/$(KERNEL_ARCH)/boot/dts -type f -name "*.dtb" | sort) > $@

	$(hide) touch -c $(DTB_OUT)

endif # !BOARD_PREBUILT_DTBIMAGE_DIR

config/BoardConfigKernel.mk

+5 −0
Original line number Diff line number Diff line
@@ -35,6 +35,8 @@ 
#                                        Defaults to empty

#   TARGET_KERNEL_DTBO                 = Name of the kernel Makefile target that

#                                        generates dtbo.img. Defaults to dtbo.img

#   TARGET_KERNEL_DTB                  = Name of the kernel Makefile target that

#                                        generates the *.dtb targets. Defaults to dtbs

#

#   KERNEL_TOOLCHAIN_PREFIX            = Overrides TARGET_KERNEL_CROSS_COMPILE_PREFIX,

#                                          Set this var in shell to override
@@ -151,6 +153,9 @@ TARGET_KERNEL_DTBO ?= dtbo.img 
BOARD_PREBUILT_DTBOIMAGE ?= $(TARGET_OUT_INTERMEDIATES)/DTBO_OBJ/arch/$(KERNEL_ARCH)/boot/$(TARGET_KERNEL_DTBO_PREFIX)$(TARGET_KERNEL_DTBO)

endif



# Set the default dtb target

TARGET_KERNEL_DTB ?= dtbs



# Set use the full path to the make command

KERNEL_MAKE_CMD := $(BUILD_TOP)/prebuilts/build-tools/$(HOST_PREBUILT_TAG)/bin/make