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#Android makefile to build kernel as a part of Android Build
ifeq ($(TARGET_USE_ST_ERICSSON_KERNEL),true)
# Give other modules a nice, symbolic name to use as a dependent
# Yes, there are modules that cannot build unless the kernel has
# been built. Typical (only?) example: loadable kernel modules.
.phony: build-kernel clean-kernel
PRIVATE_KERNEL_ARGS := -C kernel ARCH=arm CROSS_COMPILE=$(CROSS_COMPILE) LOCALVERSION=+
PRIVATE_OUT := $(abspath $(PRODUCT_OUT)/system)
PATH := $(PATH):$(BOOT_PATH)/u-boot/tools:$(abspath $(UBOOT_OUTPUT)/tools)
export PATH
# For compat-wireless gits to compile with kernel
export STERICSSON_WLAN_BUILT_IN=y
# only do this if we are buidling out of tree
ifneq ($(KERNEL_OUTPUT),)
ifneq ($(KERNEL_OUTPUT), $(abspath $(TOP)/kernel))
PRIVATE_KERNEL_ARGS += O=$(KERNEL_OUTPUT)
endif
else
KERNEL_OUTPUT := $(call my-dir)
endif
# Include kernel in the Android build system
include $(CLEAR_VARS)
KERNEL_LIBPATH := $(KERNEL_OUTPUT)/arch/arm/boot
LOCAL_PATH := $(KERNEL_LIBPATH)
LOCAL_SRC_FILES := uImage
LOCAL_MODULE := $(LOCAL_SRC_FILES)
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_CLASS := EXECUTABLES
LOCAL_MODULE_PATH := $(PRODUCT_OUT)
$(KERNEL_LIBPATH)/$(LOCAL_SRC_FILES): build-kernel
include $(BUILD_PREBUILT)
include $(CLEAR_VARS)
KERNEL_LIBPATH := $(KERNEL_OUTPUT)
LOCAL_PATH := $(KERNEL_LIBPATH)
LOCAL_SRC_FILES := vmlinux
LOCAL_MODULE := $(LOCAL_SRC_FILES)
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_CLASS := EXECUTABLES
LOCAL_MODULE_PATH := $(PRODUCT_OUT)
$(KERNEL_LIBPATH)/$(LOCAL_SRC_FILES): build-kernel
include $(BUILD_PREBUILT)
include $(CLEAR_VARS)
KERNEL_LIBPATH := $(KERNEL_OUTPUT)/arch/arm/boot
LOCAL_PATH := $(KERNEL_LIBPATH)
LOCAL_SRC_FILES := zImage
LOCAL_MODULE := $(LOCAL_SRC_FILES)
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_CLASS := EXECUTABLES
LOCAL_MODULE_PATH := $(PRODUCT_OUT)
$(KERNEL_LIBPATH)/$(LOCAL_SRC_FILES): build-kernel
include $(BUILD_PREBUILT)
# Configures, builds and installs the kernel. KERNEL_DEFCONFIG usually
# comes from the BoardConfig.mk file, but can be overridden on the
# command line or by an environment variable.
# If KERNEL_DEFCONFIG is set to 'local', configuration is skipped.
# This is useful if you want to play with your own, custom configuration.
ifeq ($(ONE_SHOT_MAKEFILE),)
build-kernel: $(UBOOT_OUTPUT)/tools/mkimage
else
build-kernel:
endif
# only do this if we are buidling out of tree
ifneq ($(KERNEL_OUTPUT),)
ifneq ($(KERNEL_OUTPUT), $(abspath $(TOP)/kernel))
@mkdir -p $(KERNEL_OUTPUT)
endif
endif
ifeq ($(KERNEL_DEFCONFIG),local)
@echo Skipping kernel configuration, KERNEL_DEFCONFIG set to local
else
$(MAKE) $(PRIVATE_KERNEL_ARGS) $(KERNEL_DEFCONFIG)
endif
# Enable openMAC from here, since the defconfig is now set for UMAC
ifeq ($(WLAN_ENABLE_OPEN_MAC_SOLUTION),true)
ifeq ($(shell [ -f kernel/net/compat-wireless-openmac/Makefile ] && echo "OK"), OK)
kernel/scripts/config --file $(KERNEL_OUTPUT)/.config \
--enable CONFIG_MAC80211 \
--module CONFIG_CW1200 \
--enable CONFIG_CW1200_WAPI_SUPPORT \
--enable CONFIG_CW1200_USE_STE_EXTENSIONS \
--enable CONFIG_CW1200_NON_POWER_OF_TWO_BLOCKSIZES \
--enable CONFIG_CW1200_USE_GPIO_IRQ \
--disable CONFIG_CW1200_5GHZ_SUPPORT \
--enable CONFIG_CW1200_STA_DEBUG \
--enable CONFIG_CW1200_DEBUGFS \
--disable CONFIG_CW1200_BH_DEBUG \
--disable CONFIG_CW1200_WSM_DEBUG \
--disable CONFIG_CW1200_WSM_DUMPS \
--disable CONFIG_CW1200_TXRX_DEBUG \
--disable CONFIG_CW1200_TX_POLICY_DEBUG
endif
endif
$(MAKE) $(PRIVATE_KERNEL_ARGS) uImage
ifeq ($(KERNEL_NO_MODULES),)
$(MAKE) $(PRIVATE_KERNEL_ARGS) modules
$(MAKE) $(PRIVATE_KERNEL_ARGS) INSTALL_MOD_PATH:=$(PRIVATE_OUT) modules_install
else
@echo Skipping building of kernel modules, KERNEL_NO_MODULES set
endif
# Configures and runs menuconfig on the kernel based on
# KERNEL_DEFCONFIG given on commandline or in BoardConfig.mk.
# The build after running menuconfig must be run with
# KERNEL_DEFCONFIG=local to not override the configuration modification done.
menuconfig-kernel:
# only do this if we are buidling out of tree
ifneq ($(KERNEL_OUTPUT),)
ifneq ($(KERNEL_OUTPUT), $(abspath $(TOP)/kernel))
@mkdir -p $(KERNEL_OUTPUT)
endif
endif
$(MAKE) $(PRIVATE_KERNEL_ARGS) $(KERNEL_DEFCONFIG)
$(MAKE) $(PRIVATE_KERNEL_ARGS) menuconfig
clean clobber : clean-kernel
clean-kernel:
$(MAKE) $(PRIVATE_KERNEL_ARGS) clean
endif
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