| #Android makefile to build kernel as a part of Android Build |
| PERL = perl |
| |
| ifeq ($(TARGET_PREBUILT_KERNEL),) |
| |
| KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ |
| KERNEL_CONFIG := $(KERNEL_OUT)/.config |
| TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/arm/boot/zImage |
| KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr |
| KERNEL_MODULES_INSTALL := system |
| KERNEL_MODULES_OUT := $(TARGET_OUT)/lib/modules |
| KERNEL_IMG=$(KERNEL_OUT)/arch/arm/boot/Image |
| |
| MSM_ARCH ?= $(shell $(PERL) -e 'while (<>) {$$a = $$1 if /CONFIG_ARCH_((?:MSM|QSD)[a-zA-Z0-9]+)=y/; $$r = $$1 if /CONFIG_MSM_SOC_REV_(?!NONE)(\w+)=y/;} print lc("$$a$$r\n");' $(KERNEL_CONFIG)) |
| KERNEL_USE_OF ?= $(shell $(PERL) -e '$$of = "n"; while (<>) { if (/CONFIG_USE_OF=y/) { $$of = "y"; break; } } print $$of;' kernel/arch/arm/configs/$(KERNEL_DEFCONFIG)) |
| |
| ifeq "$(KERNEL_USE_OF)" "y" |
| KERNEL_ZIMG = $(KERNEL_OUT)/arch/arm/boot/zImage |
| DTB_FILE = $(KERNEL_OUT)/arch/arm/boot/$(MSM_ARCH).dtb |
| DTS_FILE = $(TOP)/kernel/arch/arm/boot/dts/$(MSM_ARCH).dts |
| FULL_KERNEL = $(KERNEL_OUT)/arch/arm/boot/$(MSM_ARCH)-zImage |
| DTC = $(KERNEL_OUT)/scripts/dtc/dtc |
| |
| define append-dtb |
| md $(KERNEL_OUT)/arch/arm/boot;\ |
| $(DTC) -p 1024 -O dtb -o $(DTB_FILE) $(DTS_FILE);\ |
| cat $(KERNEL_ZIMG) $(DTB_FILE) > $(FULL_KERNEL) |
| endef |
| else |
| FULL_KERNEL = $(KERNEL_IMG) |
| |
| define append-dtb |
| endef |
| endif |
| |
| ifeq ($(TARGET_USES_UNCOMPRESSED_KERNEL),true) |
| $(info Using uncompressed kernel) |
| TARGET_PREBUILT_KERNEL := $(KERNEL_OUT)/piggy |
| else |
| TARGET_PREBUILT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL) |
| endif |
| |
| define mv-modules |
| mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.dep`;\ |
| if [ "$$mdpath" != "" ];then\ |
| mpath=`dirname $$mdpath`;\ |
| ko=`find $$mpath/kernel -type f -name *.ko`;\ |
| for i in $$ko; do mv $$i $(KERNEL_MODULES_OUT)/; done;\ |
| fi |
| endef |
| |
| define clean-module-folder |
| mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.dep`;\ |
| if [ "$$mdpath" != "" ];then\ |
| mpath=`dirname $$mdpath`; rm -rf $$mpath;\ |
| fi |
| endef |
| |
| $(KERNEL_OUT): |
| mkdir -p $(KERNEL_OUT) |
| |
| $(KERNEL_CONFIG): $(KERNEL_OUT) |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- $(KERNEL_DEFCONFIG) |
| |
| $(KERNEL_OUT)/piggy : $(TARGET_PREBUILT_INT_KERNEL) |
| $(hide) gunzip -c $(KERNEL_OUT)/arch/arm/boot/compressed/piggy.gzip > $(KERNEL_OUT)/piggy |
| |
| $(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_OUT) $(KERNEL_CONFIG) $(KERNEL_HEADERS_INSTALL) |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- modules |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) INSTALL_MOD_PATH=../../$(KERNEL_MODULES_INSTALL) ARCH=arm CROSS_COMPILE=arm-eabi- modules_install |
| $(mv-modules) |
| $(clean-module-folder) |
| $(append-dtb) |
| |
| $(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT) $(KERNEL_CONFIG) |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- headers_install |
| |
| kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG) |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- tags |
| |
| kernelconfig: $(KERNEL_OUT) $(KERNEL_CONFIG) |
| env KCONFIG_NOTIMESTAMP=true \ |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- menuconfig |
| env KCONFIG_NOTIMESTAMP=true \ |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- savedefconfig |
| cp $(KERNEL_OUT)/defconfig kernel/arch/arm/configs/$(KERNEL_DEFCONFIG) |
| |
| endif |