first commit

AndroidKernel.mk

@@ -0,0 +1,68 @@
+#Android makefile to build kernel as a part of Android Build
+
+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 := $(TARGET_OUT)/lib/modules
+
+ifeq ($(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- $(KERNEL_DEFCONFIG)
+ifeq ($(SECURE_ENHANCEMENT_BUILD),y)
+	@echo "Secure mount enabled"
+	kernel/scripts/config --file $(KERNEL_CONFIG) --enable ACER_SECURE_MOUNT
+endif
+
+$(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)
+	$(clean-module-folder)
+
+$(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