1 files changed, 87 insertions, 0 deletions
diff --git a/AndroidKernel.mk b/AndroidKernel.mk
new file mode 100644
index 00000000000..01bd313bfc0
--- /dev/null
+++ b/AndroidKernel.mk
@@ -0,0 +1,87 @@
+#Android makefile to build kernel as a part of Android Build
+ifneq ($(BUILD_KERNEL),)
+
+KERNEL_SRCDIR := kernel/omap-moto-cw
+KERNEL_OUT := $(ANDROID_PRODUCT_OUT)/obj/KERNEL_OBJ
+KERNEL_CONFIG := $(KERNEL_OUT)/.config
+TARGET_PREBUILT_INT_KERNEL := $(KERNEL_OUT)/arch/arm/boot/zImage-dtb
+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
+# relative path from KERNEL_OUT to kernel source directory
+KERNEL_SOURCE_RELATIVE_PATH := ../../../../../../$(KERNEL_SRCDIR)
+PRODUCT_PREBUILT_KERNEL := $(TARGET_PREBUILT_KERNEL)
+
+ifeq ($(TARGET_USES_UNCOMPRESSED_KERNEL),true)
+$(error TARGET_USES_UNCOMPRESSED_KERNEL is not supported)
+else
+TARGET_PREBUILT_KERNEL := $(TARGET_PREBUILT_INT_KERNEL)
+endif
+
+# use eng_ defconfig for engineering Android variants
+ifeq ($(TARGET_BUILD_VARIANT), eng)
+KERNEL_DEFCONFIG := eng_${KERNEL_DEFCONFIG}
+endif
+SOURCE_DEFCONFIG  := $(KERNEL_SRCDIR)/arch/arm/configs/$(KERNEL_DEFCONFIG)
+
+define mv-modules
+mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.order`;\
+if [ "$$mdpath" != "" ];then\
+mpath=`dirname $$mdpath`;\
+ko=`find $$mpath/kernel -type f -name *.ko`;\
+for i in $$ko; do mv $$i $(KERNEL_MODULES_OUT)/; done;\
+fi
+endef
+
+define clean-module-folder
+mdpath=`find $(KERNEL_MODULES_OUT) -type f -name modules.order`;\
+if [ "$$mdpath" != "" ];then\
+mpath=`dirname $$mdpath`; rm -rf $$mpath;\
+fi
+endef
+
+define update-prebuilts
+if [ -f $(TARGET_PREBUILT_INT_KERNEL) -a\
+     -f $(PRODUCT_PREBUILT_KERNEL) ]; then\
+  cp -f $(TARGET_PREBUILT_INT_KERNEL) $(PRODUCT_PREBUILT_KERNEL);\
+fi;
+endef
+
+define do-kernel-config
+	( cp $(3) $(2) && $(7) -C $(4) O=$(1) ARCH=$(5) CROSS_COMPILE=$(6) oldconfig ) || ( rm -f $(2) && false )
+endef
+
+GIT_HOOKS_DIR := $(KERNEL_SRCDIR)/.git/hooks
+inst_hook: $(GIT_HOOKS_DIR)/pre-commit $(GIT_HOOKS_DIR)/checkpatch.pl
+
+$(GIT_HOOKS_DIR)/pre-commit:  $(KERNEL_SRCDIR)/scripts/pre-commit
+	@-cp -f $< $@
+	@-chmod ugo+x $@
+
+$(GIT_HOOKS_DIR)/checkpatch.pl:  $(KERNEL_SRCDIR)/scripts/checkpatch.pl
+	@-cp -f $< $@
+	@-chmod ugo+x $@
+
+$(KERNEL_OUT):
+	mkdir -p $(KERNEL_OUT)
+
+$(KERNEL_CONFIG): $(KERNEL_OUT) $(SOURCE_DEFCONFIG) inst_hook
+	$(call do-kernel-config,$(KERNEL_OUT),$@,$(SOURCE_DEFCONFIG),$(KERNEL_SRCDIR),arm,arm-eabi-,$(MAKE))
+
+$(TARGET_PREBUILT_INT_KERNEL): $(KERNEL_OUT) $(KERNEL_CONFIG) $(KERNEL_HEADERS_INSTALL) $(TARGET_PREBUILT_INT_DTB)
+	$(MAKE) -C $(KERNEL_SRCDIR) KBUILD_RELSRC=$(KERNEL_SOURCE_RELATIVE_PATH) O=$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi-
+	$(update-prebuilts)
+
+$(KERNEL_HEADERS_INSTALL): $(KERNEL_OUT) $(KERNEL_CONFIG)
+	$(MAKE) -C $(KERNEL_SRCDIR) O=$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- headers_install
+
+kerneltags: $(KERNEL_OUT) $(KERNEL_CONFIG)
+	$(MAKE) -C $(KERNEL_SRCDIR) O=$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- tags
+
+kernelconfig: $(KERNEL_OUT) $(KERNEL_CONFIG)
+	env KCONFIG_NOTIMESTAMP=true \
+	     $(MAKE) -C $(KERNEL_SRCDIR) O=$(KERNEL_OUT) ARCH=arm CROSS_COMPILE=arm-eabi- menuconfig
+	cp $(KERNEL_OUT)/.config $(SOURCE_DEFCONFIG)
+
+endif