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kernel-build.mk: add support for compiling only DTS 

Add support for compiling DTS for the selected target. This can be
useful for testing if the DTS correctly compile and doesn't produce any
error.

This adds a new make target. To compile only DTS use:

make target/linux/dtb

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi 2024-02-08 00:49:27 +01:00
parent f89904ad78
commit c47532b1ea
No known key found for this signature in database
GPG Key ID: AC001D09ADBFEAD7
3 changed files with 13 additions and 4 deletions
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10
include/image.mk
View File

@ -582,7 +582,7 @@ define Device/Build/dtb
$(KDIR)/image-$(1).dtb: FORCE $(KDIR)/image-$(1).dtb: FORCE
$(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@) $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
image_prepare: $(KDIR)/image-$(1).dtb compile-dtb: $(KDIR)/image-$(1).dtb
endif endif
endef endef
@ -593,7 +593,7 @@ define Device/Build/dtbo
$(KDIR)/image-$(1).dtbo: FORCE $(KDIR)/image-$(1).dtbo: FORCE
$(call Image/BuildDTBO,$(strip $(2))/$(strip $(3)).dtso,$$@) $(call Image/BuildDTBO,$(strip $(2))/$(strip $(3)).dtso,$$@)
image_prepare: $(KDIR)/image-$(1).dtbo compile-dtb: $(KDIR)/image-$(1).dtbo
endif endif
endef endef
@ -841,18 +841,20 @@ define BuildImage
download: download:
prepare: prepare:
compile: compile:
compile-dtb:
clean: clean:
image_prepare: image_prepare:
ifeq ($(IB),) ifeq ($(IB),)
.PHONY: download prepare compile clean image_prepare kernel_prepare install install-images .PHONY: download prepare compile compile-dtb clean image_prepare kernel_prepare install install-images
compile: compile:
$(call Build/Compile) $(call Build/Compile)
clean: clean:
$(call Build/Clean) $(call Build/Clean)
image_prepare: compile compile-dtb:
image_prepare: compile compile-dtb
mkdir -p $(BIN_DIR) $(KDIR)/tmp mkdir -p $(BIN_DIR) $(KDIR)/tmp
rm -rf $(BUILD_DIR)/json_info_files rm -rf $(BUILD_DIR)/json_info_files
$(call Image/Prepare) $(call Image/Prepare)

4
include/kernel-build.mk
View File

@ -156,6 +156,10 @@ define BuildKernel
compile: $(LINUX_DIR)/.modules compile: $(LINUX_DIR)/.modules
$(MAKE) -C image compile TARGET_BUILD= $(MAKE) -C image compile TARGET_BUILD=
dtb: $(STAMP_CONFIGURED)
$(_SINGLE)$(KERNEL_MAKE) scripts_dtc
$(MAKE) -C image compile-dtb TARGET_BUILD=
oldconfig menuconfig nconfig xconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE oldconfig menuconfig nconfig xconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE
rm -f $(LINUX_DIR)/.config.prev rm -f $(LINUX_DIR)/.config.prev
rm -f $(STAMP_CONFIGURED) rm -f $(STAMP_CONFIGURED)

3
include/subdir.mk
View File

@ -5,6 +5,9 @@
ifeq ($(MAKECMDGOALS),prereq) ifeq ($(MAKECMDGOALS),prereq)
SUBTARGETS:=prereq SUBTARGETS:=prereq
PREREQ_ONLY:=1 PREREQ_ONLY:=1
# For target/linux related target add dtb to selectively compile dtbs
else ifneq ($(filter target/linux/%,$(MAKECMDGOALS)),)
SUBTARGETS:=$(DEFAULT_SUBDIR_TARGETS) dtb
else else
SUBTARGETS:=$(DEFAULT_SUBDIR_TARGETS) SUBTARGETS:=$(DEFAULT_SUBDIR_TARGETS)
endif endif