mirror of
https://github.com/LineageOS/android_kernel_moto_shamu.git
synced 2026-04-01 13:14:12 +00:00
30f023ae2d
This is in order to meet requirment that '(android@gpe)' appear in the version string for GPE devices. Signed-off-by: Jeffrey Carlyle <jeff.carlyle@motorola.com> Reviewed-by: Igor Kovalenko <igork@motorola.com> (cherry picked from commit 3f94a46ad1884b8d3ea96c1a923b6156e67c57ec)
112 lines
5.2 KiB
Makefile
112 lines
5.2 KiB
Makefile
#Android makefile to build kernel as a part of Android Build
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PERL = perl
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TARGET_KERNEL_ARCH := $(strip $(TARGET_KERNEL_ARCH))
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ifeq ($(TARGET_KERNEL_ARCH),)
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KERNEL_ARCH := arm
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else
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KERNEL_ARCH := $(TARGET_KERNEL_ARCH)
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endif
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TARGET_KERNEL_HEADER_ARCH := $(strip $(TARGET_KERNEL_HEADER_ARCH))
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ifeq ($(TARGET_KERNEL_HEADER_ARCH),)
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KERNEL_HEADER_ARCH := $(KERNEL_ARCH)
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else
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$(warning Forcing kernel header generation only for '$(TARGET_KERNEL_HEADER_ARCH)')
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KERNEL_HEADER_ARCH := $(TARGET_KERNEL_HEADER_ARCH)
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endif
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TARGET_KERNEL_CROSS_COMPILE_PREFIX := $(strip $(TARGET_KERNEL_CROSS_COMPILE_PREFIX))
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ifeq ($(TARGET_KERNEL_CROSS_COMPILE_PREFIX),)
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KERNEL_CROSS_COMPILE := arm-eabi-
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else
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KERNEL_CROSS_COMPILE := $(TARGET_KERNEL_CROSS_COMPILE_PREFIX)
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endif
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ifeq ($(TARGET_PREBUILT_KERNEL),)
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KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
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KERNEL_CONFIG := $(KERNEL_OUT)/.config
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ifeq ($(TARGET_USES_UNCOMPRESSED_KERNEL),true)
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$(info Using uncompressed kernel)
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TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/Image
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else
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TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/zImage
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endif
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ifeq ($(TARGET_KERNEL_APPEND_DTB), true)
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$(info Using appended DTB)
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TARGET_PREBUILT_INT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL)-dtb
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endif
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KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr
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KERNEL_MODULES_INSTALL := system
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KERNEL_MODULES_OUT := $(TARGET_OUT)/lib/modules
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# relative path from KERNEL_OUT to kernel source directory
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KERNEL_SOURCE_RELATIVE_PATH := ../../../../../../kernel
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TARGET_PREBUILT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL)
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define mv-modules
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mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.order`;\
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if [ "$$mdpath" != "" ];then\
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mpath=`dirname $$mdpath`;\
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ko=`find $$mpath/kernel -type f -name *.ko`;\
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for i in $$ko; do mv $$i $(KERNEL_MODULES_OUT)/; done;\
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fi
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endef
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define clean-module-folder
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mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.order`;\
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if [ "$$mdpath" != "" ];then\
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mpath=`dirname $$mdpath`; rm -rf $$mpath;\
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fi
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endef
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include kernel/defconfig.mk
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KERNEL_HEADER_DEFCONFIG := $(strip $(KERNEL_HEADER_DEFCONFIG))
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ifeq ($(KERNEL_HEADER_DEFCONFIG),)
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KERNEL_HEADER_DEFCONFIG := $(TARGET_DEFCONFIG)
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endif
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define do-kernel-config
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( cp $(3) $(2) && $(7) -C $(4) O=$(1) ARCH=$(5) CROSS_COMPILE=$(6) KBUILD_BUILD_USER=$(TARGET_KERNEL_BUILD_USER) KBUILD_BUILD_HOST=$(TARGET_KERNEL_BUILD_HOST) defoldconfig ) || ( rm -f $(2) && false )
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endef
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$(KERNEL_OUT):
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mkdir -p $(KERNEL_OUT)
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$(KERNEL_CONFIG): $(KERNEL_OUT) $(TARGET_DEFCONFIG)
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$(call do-kernel-config,../$(KERNEL_OUT),$@,$(TARGET_DEFCONFIG),kernel,$(KERNEL_ARCH),$(KERNEL_CROSS_COMPILE),$(MAKE))
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$(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_OUT) $(KERNEL_CONFIG) $(KERNEL_HEADERS_INSTALL)
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$(hide) rm -rf $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts
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$(MAKE) -C kernel KBUILD_RELSRC=$(KERNEL_SOURCE_RELATIVE_PATH) O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) KBUILD_BUILD_USER=$(TARGET_KERNEL_BUILD_USER) KBUILD_BUILD_HOST=$(TARGET_KERNEL_BUILD_HOST)
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$(MAKE) -C kernel KBUILD_RELSRC=$(KERNEL_SOURCE_RELATIVE_PATH) O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) KBUILD_BUILD_USER=$(TARGET_KERNEL_BUILD_USER) KBUILD_BUILD_HOST=$(TARGET_KERNEL_BUILD_HOST) dtbs
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$(MAKE) -C kernel KBUILD_RELSRC=$(KERNEL_SOURCE_RELATIVE_PATH) O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) KBUILD_BUILD_USER=$(TARGET_KERNEL_BUILD_USER) KBUILD_BUILD_HOST=$(TARGET_KERNEL_BUILD_HOST) modules
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$(MAKE) -C kernel KBUILD_RELSRC=$(KERNEL_SOURCE_RELATIVE_PATH) O=../$(KERNEL_OUT) INSTALL_MOD_PATH=../../$(KERNEL_MODULES_INSTALL) INSTALL_MOD_STRIP="--strip-debug --remove-section=.note.gnu.build-id" ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) KBUILD_BUILD_USER=$(TARGET_KERNEL_BUILD_USER) KBUILD_BUILD_HOST=$(TARGET_KERNEL_BUILD_HOST) modules_install
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$(mv-modules)
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$(clean-module-folder)
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$(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT) $(KERNEL_CONFIG)
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$(hide) rm -f ../$(KERNEL_CONFIG)
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$(call do-kernel-config,../$(KERNEL_OUT),$(KERNEL_CONFIG),$(KERNEL_HEADER_DEFCONFIG),kernel,$(KERNEL_HEADER_ARCH),$(KERNEL_CROSS_COMPILE),$(MAKE))
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$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) KBUILD_BUILD_USER=$(TARGET_KERNEL_BUILD_USER) KBUILD_BUILD_HOST=$(TARGET_KERNEL_BUILD_HOST) headers_install
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$(hide) rm -f ../$(KERNEL_CONFIG)
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$(call do-kernel-config,../$(KERNEL_OUT),$(KERNEL_CONFIG),$(TARGET_DEFCONFIG),kernel,$(KERNEL_ARCH),$(KERNEL_CROSS_COMPILE),$(MAKE))
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kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG)
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$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) KBUILD_BUILD_USER=$(TARGET_KERNEL_BUILD_USER) KBUILD_BUILD_HOST=$(TARGET_KERNEL_BUILD_HOST) tags
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kernelconfig: $(KERNEL_OUT) $(KERNEL_CONFIG)
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env KCONFIG_NOTIMESTAMP=true \
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$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) KBUILD_BUILD_USER=$(TARGET_KERNEL_BUILD_USER) KBUILD_BUILD_HOST=$(TARGET_KERNEL_BUILD_HOST) menuconfig
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env KCONFIG_NOTIMESTAMP=true \
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$(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) KBUILD_BUILD_USER=$(TARGET_KERNEL_BUILD_USER) KBUILD_BUILD_HOST=$(TARGET_KERNEL_BUILD_HOST) savedefconfig
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cp $(KERNEL_OUT)/defconfig kernel/arch/$(KERNEL_ARCH)/configs/$(KERNEL_DEFCONFIG)
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endif
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