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kernel: Use a macro for kernel build targets

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Change-Id: Idb61ddbfd630401da09a0c3207aaab7e25bc4b14
gugelfrei
Ethan Chen 5 years ago
parent 0724f78af4
commit a325446555
1 changed files with 35 additions and 14 deletions
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49
build/tasks/kernel.mk
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@ -190,6 +190,25 @@ endif
KERNEL_ADDITIONAL_CONFIG_OUT := $(KERNEL_OUT)/.additional_config
# Internal implementation of make-kernel-target
# $(1): output path (The value passed to O=)
# $(2): target to build (eg. defconfig, modules, dtbo.img)
define internal-make-kernel-target
$(PATH_OVERRIDE) $(MAKE) -C $(KERNEL_SRC) O=$(1) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) $(2)
endef
# Make a kernel target
# $(1): The kernel target to build (eg. defconfig, modules, modules_install)
define make-kernel-target
$(call internal-make-kernel-target,$(KERNEL_OUT),$(1))
endef
# Make a DTBO target
# $(1): The DTBO target to build (eg. dtbo.img, defconfig)
define make-dtbo-target
$(call internal-make-kernel-target,$(PRODUCT_OUT)/dtbo,$(1))
endef
.PHONY: force_additional_config
$(KERNEL_ADDITIONAL_CONFIG_OUT): force_additional_config
$(hide) cmp -s $(KERNEL_ADDITIONAL_CONFIG_SRC) $@ || cp $(KERNEL_ADDITIONAL_CONFIG_SRC) $@;
@ -197,29 +216,31 @@ $(KERNEL_ADDITIONAL_CONFIG_OUT): force_additional_config
$(KERNEL_CONFIG): $(KERNEL_DEFCONFIG_SRC) $(KERNEL_ADDITIONAL_CONFIG_OUT)
@echo "Building Kernel Config"
$(hide) mkdir -p $(KERNEL_OUT)
$(PATH_OVERRIDE) $(MAKE) $(KERNEL_MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) VARIANT_DEFCONFIG=$(VARIANT_DEFCONFIG) SELINUX_DEFCONFIG=$(SELINUX_DEFCONFIG) $(KERNEL_DEFCONFIG)
$(call make-kernel-target,VARIANT_DEFCONFIG=$(VARIANT_DEFCONFIG) SELINUX_DEFCONFIG=$(SELINUX_DEFCONFIG) $(KERNEL_DEFCONFIG))
$(hide) if [ ! -z "$(KERNEL_CONFIG_OVERRIDE)" ]; then \
echo "Overriding kernel config with '$(KERNEL_CONFIG_OVERRIDE)'"; \
echo $(KERNEL_CONFIG_OVERRIDE) >> $(KERNEL_OUT)/.config; \
$(PATH_OVERRIDE) $(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) oldconfig; fi
$(call make-kernel-target,oldconfig); \
fi
# Create defconfig build artifact
$(hide) $(PATH_OVERRIDE) $(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) savedefconfig
$(call make-kernel-target,savedefconfig)
$(hide) if [ ! -z "$(KERNEL_ADDITIONAL_CONFIG)" ]; then \
echo "Using additional config '$(KERNEL_ADDITIONAL_CONFIG)'"; \
$(KERNEL_SRC)/scripts/kconfig/merge_config.sh -m -O $(KERNEL_OUT) $(KERNEL_OUT)/.config $(KERNEL_SRC)/arch/$(KERNEL_ARCH)/configs/$(KERNEL_ADDITIONAL_CONFIG); \
$(PATH_OVERRIDE) $(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) KCONFIG_ALLCONFIG=$(KERNEL_OUT)/.config alldefconfig; fi
$(call make-kernel-target,KCONFIG_ALLCONFIG=$(KERNEL_OUT)/.config alldefconfig); \
fi
.PHONY: TARGET_KERNEL_BINARIES
TARGET_KERNEL_BINARIES: $(KERNEL_CONFIG)
@echo "Building Kernel"
$(PATH_OVERRIDE) $(MAKE) $(KERNEL_MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) $(BOARD_KERNEL_IMAGE_NAME)
$(call make-kernel-target,$(BOARD_KERNEL_IMAGE_NAME))
$(hide) if grep -q '^CONFIG_OF=y' $(KERNEL_CONFIG); then \
echo "Building DTBs"; \
$(PATH_OVERRIDE) $(MAKE) $(KERNEL_MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) dtbs; \
$(call make-kernel-target,dtbs); \
fi
$(hide) if grep -q '=m' $(KERNEL_CONFIG); then \
echo "Building Kernel Modules"; \
$(PATH_OVERRIDE) $(MAKE) $(KERNEL_MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) modules; \
$(call make-kernel-target,modules); \
fi
.PHONY: INSTALLED_KERNEL_MODULES
@ -229,7 +250,7 @@ INSTALLED_KERNEL_MODULES: depmod-host
$(hide) rm -rf $(KERNEL_DEPMOD_STAGING_DIR)
$(hide) if grep -q '=m' $(KERNEL_CONFIG); then \
echo "Installing Kernel Modules"; \
$(PATH_OVERRIDE) $(MAKE) $(KERNEL_MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) INSTALL_MOD_PATH=../../$(KERNEL_MODULES_INSTALL) modules_install && \
$(call make-kernel-target,INSTALL_MOD_PATH=../../$(KERNEL_MODULES_INSTALL) modules_install) && \
mofile=$$(find $(KERNEL_MODULES_OUT) -type f -name modules.order) && \
mpath=$$(dirname $$mofile) && \
for f in $$(find $$mpath/kernel -type f -name '*.ko'); do \
@ -250,27 +271,27 @@ $(TARGET_PREBUILT_INT_KERNEL): $(TARGET_KERNEL_MODULES)
.PHONY: kerneltags
kerneltags: $(KERNEL_CONFIG)
$(hide) mkdir -p $(KERNEL_OUT)
$(PATH_OVERRIDE) $(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) tags
$(call make-kernel-target,tags)
.PHONY: kernelsavedefconfig alldefconfig
kernelsavedefconfig:
$(hide) mkdir -p $(KERNEL_OUT)
$(PATH_OVERRIDE) $(MAKE) $(KERNEL_MAKE_FLAGS) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) $(KERNEL_DEFCONFIG)
$(call make-kernel-target,$(KERNEL_DEFCONFIG))
env KCONFIG_NOTIMESTAMP=true \
$(PATH_OVERRIDE) $(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) savedefconfig
$(call make-kernel-target,savedefconfig)
cp $(KERNEL_OUT)/defconfig $(KERNEL_DEFCONFIG_SRC)
alldefconfig:
$(hide) mkdir -p $(KERNEL_OUT)
env KCONFIG_NOTIMESTAMP=true \
$(PATH_OVERRIDE) $(MAKE) -C $(KERNEL_SRC) O=$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) alldefconfig
$(call make-kernel-target,alldefconfig)
TARGET_PREBUILT_DTBO = $(PRODUCT_OUT)/dtbo/arch/$(KERNEL_ARCH)/boot/dtbo.img
$(TARGET_PREBUILT_DTBO): $(AVBTOOL)
echo -e ${CL_GRN}"Building DTBO.img"${CL_RST}
$(PATH_OVERRIDE) $(MAKE) $(KERNEL_MAKE_FLAGS) -C $(KERNEL_SRC) O=$(PRODUCT_OUT)/dtbo ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) $(KERNEL_DEFCONFIG)
$(PATH_OVERRIDE) $(MAKE) $(KERNEL_MAKE_FLAGS) -C $(KERNEL_SRC) O=$(PRODUCT_OUT)/dtbo ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) $(KERNEL_CLANG_TRIPLE) $(KERNEL_CC) dtbo.img
$(call make-dtbo-target,$(KERNEL_DEFCONFIG))
$(call make-dtbo-target,dtbo.img)
$(AVBTOOL) add_hash_footer \
--image $@ \
--partition_size $(BOARD_DTBOIMG_PARTITION_SIZE) \

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