diff options
Diffstat (limited to 'AndroidKernel.mk')
| -rw-r--r-- | AndroidKernel.mk | 77 |
1 files changed, 54 insertions, 23 deletions
diff --git a/AndroidKernel.mk b/AndroidKernel.mk index 15877a69027..bc15d8a7783 100644 --- a/AndroidKernel.mk +++ b/AndroidKernel.mk @@ -1,25 +1,55 @@ #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 + +KERNEL_HEADER_DEFCONFIG := $(strip $(KERNEL_HEADER_DEFCONFIG)) +ifeq ($(KERNEL_HEADER_DEFCONFIG),) +KERNEL_HEADER_DEFCONFIG := $(KERNEL_DEFCONFIG) +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_KERNEL_APPEND_DTB), true) -TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/arm/boot/zImage-dtb + +ifeq ($(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/arm/boot/zImage +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 KERNEL_MODULES_INSTALL := system KERNEL_MODULES_OUT := $(TARGET_OUT)/lib/modules -ifeq ($(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`;\ @@ -41,30 +71,31 @@ $(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 + $(MAKE) -C kernel O=../$(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/arm/boot/dts - $(MAKE) -C kernel O=../$(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=../../$(KERNEL_MODULES_INSTALL) INSTALL_MOD_STRIP=1 ARCH=arm CROSS_COMPILE=arm-eabi- modules_install +$(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_OUT) $(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) + $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) modules + $(MAKE) -C kernel O=../$(KERNEL_OUT) INSTALL_MOD_PATH=../../$(KERNEL_MODULES_INSTALL) INSTALL_MOD_STRIP=1 ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) modules_install $(mv-modules) $(clean-module-folder) -$(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT) $(KERNEL_CONFIG) - $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- headers_install +$(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT) + $(hide) rm -f ../$(KERNEL_CONFIG) + $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_HEADER_DEFCONFIG) + $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_HEADER_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) headers_install + $(hide) rm -f ../$(KERNEL_CONFIG) + $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) $(KERNEL_DEFCONFIG) kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG) - $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- tags + $(MAKE) -C kernel O=../$(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=arm CROSS_COMPILE=arm-eabi- menuconfig + $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) menuconfig env KCONFIG_NOTIMESTAMP=true \ - $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- savedefconfig - cp $(KERNEL_OUT)/defconfig kernel/arch/arm/configs/$(KERNEL_DEFCONFIG) + $(MAKE) -C kernel O=../$(KERNEL_OUT) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) savedefconfig + cp $(KERNEL_OUT)/defconfig kernel/arch/$(KERNEL_ARCH)/configs/$(KERNEL_DEFCONFIG) endif |