| #Android makefile to build kernel as a part of Android Build |
| PERL = perl |
| |
| TARGET_KERNEL_ARCH := $(strip $(TARGET_KERNEL_ARCH)) |
| ifeq ($(TARGET_KERNEL_ARCH),) |
| KERNEL_ARCH := arm |
| else |
| KERNEL_ARCH := $(TARGET_KERNEL_ARCH) |
| endif |
| |
| TARGET_KERNEL_HEADER_ARCH := $(strip $(TARGET_KERNEL_HEADER_ARCH)) |
| ifeq ($(TARGET_KERNEL_HEADER_ARCH),) |
| KERNEL_HEADER_ARCH := $(KERNEL_ARCH) |
| else |
| $(warning Forcing kernel header generation only for '$(TARGET_KERNEL_HEADER_ARCH)') |
| KERNEL_HEADER_ARCH := $(TARGET_KERNEL_HEADER_ARCH) |
| endif |
| |
| TARGET_KERNEL_CROSS_COMPILE_PREFIX := $(strip $(TARGET_KERNEL_CROSS_COMPILE_PREFIX)) |
| ifeq ($(TARGET_KERNEL_CROSS_COMPILE_PREFIX),) |
| KERNEL_CROSS_COMPILE := arm-eabi- |
| else |
| KERNEL_CROSS_COMPILE := $(TARGET_KERNEL_CROSS_COMPILE_PREFIX) |
| endif |
| |
| ifeq ($(TARGET_PREBUILT_KERNEL),) |
| |
| KERNEL_OUT := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ |
| KERNEL_CONFIG := $(KERNEL_OUT)/.config |
| |
| ifeq ($(TARGET_USES_UNCOMPRESSED_KERNEL),true) |
| $(info Using uncompressed kernel) |
| TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/Image |
| else |
| TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/zImage |
| endif |
| |
| ifeq ($(TARGET_KERNEL_APPEND_DTB), true) |
| $(info Using appended DTB) |
| TARGET_PREBUILT_INT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL)-dtb |
| endif |
| |
| KERNEL_HEADERS_INSTALL := $(KERNEL_OUT)/usr |
| |
| TARGET_PREBUILT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL) |
| |
| $(KERNEL_OUT): |
| mkdir -p $(KERNEL_OUT) |
| |
| $(KERNEL_CONFIG): $(KERNEL_OUT) |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_DEFCONFIG) |
| |
| $(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_OUT) $(KERNEL_CONFIG) $(KERNEL_HEADERS_INSTALL) |
| $(hide) rm -rf $(KERNEL_OUT)/arch/$(KERNEL_ARCH)/boot/dts |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) |
| |
| $(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT) |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) headers_install |
| |
| kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG) |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) tags |
| |
| kernelconfig: $(KERNEL_OUT) $(KERNEL_CONFIG) |
| env KCONFIG_NOTIMESTAMP=true \ |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) menuconfig |
| env KCONFIG_NOTIMESTAMP=true \ |
| $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) savedefconfig |
| cp $(KERNEL_OUT)/defconfig kernel/arch/$(KERNEL_ARCH)/configs/$(KERNEL_DEFCONFIG) |
| |
| endif |
