generate_extra_images.mk

# This makefile is used to generate extra images for QCOM targets
# persist, device tree & NAND images required for different QCOM targets.

# These variables are required to make sure that the required
# files/targets are available before generating NAND images.
# This file is included from device/qcom/<TARGET>/AndroidBoard.mk
# and gets parsed before build/core/Makefile, which has these
# variables defined. build/core/Makefile will overwrite these
# variables again.
ifneq ($(strip $(TARGET_NO_KERNEL)),true)

ifneq ($(strip $(BOARD_KERNEL_BINARIES)),)
  BUILT_BOOTIMAGE_TARGET := $(foreach k,$(subst kernel,boot,$(BOARD_KERNEL_BINARIES)), $(PRODUCT_OUT)/$(k).img)
else
  BUILT_BOOTIMAGE_TARGET := $(PRODUCT_OUT)/boot.img
endif

INSTALLED_BOOTIMAGE_TARGET := $(BUILT_BOOTIMAGE_TARGET)

ifeq ($(PRODUCT_BUILD_RAMDISK_IMAGE),true)
INSTALLED_RAMDISK_TARGET := $(PRODUCT_OUT)/ramdisk.img
endif
ifeq ($(PRODUCT_BUILD_SYSTEM_IMAGE),true)
INSTALLED_SYSTEMIMAGE := $(PRODUCT_OUT)/system.img
endif
ifeq ($(PRODUCT_BUILD_USERDATA_IMAGE),true)
INSTALLED_USERDATAIMAGE_TARGET := $(PRODUCT_OUT)/userdata.img
endif
ifneq ($(TARGET_NO_RECOVERY), true)
INSTALLED_RECOVERYIMAGE_TARGET := $(PRODUCT_OUT)/recovery.img
else
INSTALLED_RECOVERYIMAGE_TARGET :=
endif
recovery_ramdisk := $(PRODUCT_OUT)/ramdisk-recovery.img
INSTALLED_USBIMAGE_TARGET := $(PRODUCT_OUT)/usbdisk.img
endif

#----------------------------------------------------------------------
# Generate persist image (persist.img)
#----------------------------------------------------------------------
ifneq ($(strip $(BOARD_PERSISTIMAGE_PARTITION_SIZE)),)
ifneq ($(strip $(TARGET_NO_KERNEL)),true)

TARGET_OUT_PERSIST := $(PRODUCT_OUT)/persist

INTERNAL_PERSISTIMAGE_FILES := \
	$(filter $(TARGET_OUT_PERSIST)/%,$(ALL_DEFAULT_INSTALLED_MODULES))

INSTALLED_PERSISTIMAGE_TARGET := $(PRODUCT_OUT)/persist.img

define build-persistimage-target
    $(call pretty,"Target persist fs image: $(INSTALLED_PERSISTIMAGE_TARGET)")
    @mkdir -p $(TARGET_OUT_PERSIST)
    $(hide) PATH=$(HOST_OUT_EXECUTABLES):$${PATH} $(MKEXTUSERIMG) $(TARGET_OUT_PERSIST) $@ ext4 persist $(BOARD_PERSISTIMAGE_PARTITION_SIZE)
    $(hide) chmod a+r $@
    $(hide) $(call assert-max-image-size,$@,$(BOARD_PERSISTIMAGE_PARTITION_SIZE))
endef

ifneq ($(strip $(FP3_SKIP_PERSIST_IMG)),true)
$(INSTALLED_PERSISTIMAGE_TARGET): $(MKEXTUSERIMG) $(MAKE_EXT4FS) $(INTERNAL_PERSISTIMAGE_FILES)
	$(build-persistimage-target)

ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_PERSISTIMAGE_TARGET)
ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_PERSISTIMAGE_TARGET)
droidcore: $(INSTALLED_PERSISTIMAGE_TARGET)

.PHONY: persistimage
persistimage: $(INSTALLED_PERSISTIMAGE_TARGET)

endif #end of FP3_SKIP_PERSIST_IMG
endif
endif

#----------------------------------------------------------------------
# Generate metadata image (metadata.img)
# As of now this in empty at build and data is runtime generated only,
# so create an empty fs
#----------------------------------------------------------------------
ifneq ($(strip $(BOARD_METADATAIMAGE_PARTITION_SIZE)),)

TARGET_OUT_METADATA := $(PRODUCT_OUT)/metadata

INSTALLED_METADATAIMAGE_TARGET := $(PRODUCT_OUT)/metadata.img

define build-metadataimage-target
    $(call pretty,"Target metadata fs image: $(INSTALLED_METADATAIMAGE_TARGET)")
    @mkdir -p $(TARGET_OUT_METADATA)
    $(hide)PATH=$(HOST_OUT_EXECUTABLES):$${PATH} $(MKEXTUSERIMG) -s $(TARGET_OUT_METADATA) $@ ext4 metadata $(BOARD_METADATAIMAGE_PARTITION_SIZE)
    $(hide) chmod a+r $@
endef

$(INSTALLED_METADATAIMAGE_TARGET): $(MKEXTUSERIMG) $(MAKE_EXT4FS)
	$(build-metadataimage-target)

ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_METADATAIMAGE_TARGET)
ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_METADATAIMAGE_TARGET)
droidcore: $(INSTALLED_METADATAIMAGE_TARGET)

.PHONY: metadataimage
metadataimage: $(INSTALLED_METADATAIMAGE_TARGET)

endif

#----------------------------------------------------------------------
# Generate device tree overlay image (dtbo.img)
#----------------------------------------------------------------------
ifneq ($(strip $(TARGET_NO_KERNEL)),true)
ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DTBO)),true)

MKDTIMG := $(HOST_OUT_EXECUTABLES)/mkdtimg$(HOST_EXECUTABLE_SUFFIX)

# Most specific paths must come first in possible_dtbo_dirs
possible_dtbo_dirs = $(KERNEL_OUT)/arch/$(TARGET_KERNEL_ARCH)/boot/dts $(KERNEL_OUT)/arch/arm/boot/dts
$(shell mkdir -p $(possible_dtbo_dirs))
dtbo_dir = $(firstword $(wildcard $(possible_dtbo_dirs)))
dtbo_objs = $(shell find $(dtbo_dir) -name \*.dtbo)

define build-dtboimage-target
    $(call pretty,"Target dtbo image: $(BOARD_PREBUILT_DTBOIMAGE)")
    $(hide) $(MKDTIMG) create $@ --page_size=$(BOARD_KERNEL_PAGESIZE) $(dtbo_objs)
    $(hide) chmod a+r $@
endef

# Definition of BOARD_PREBUILT_DTBOIMAGE is in AndroidBoardCommon.mk
# so as to ensure it is defined well in time to set the dependencies on
# BOARD_PREBUILT_DTBOIMAGE
$(BOARD_PREBUILT_DTBOIMAGE): $(MKDTIMG) $(INSTALLED_KERNEL_TARGET)
	$(build-dtboimage-target)

endif
endif

#----------------------------------------------------------------------
# Generate device tree image (dt.img)
#----------------------------------------------------------------------
ifneq ($(strip $(TARGET_NO_KERNEL)),true)
ifeq ($(strip $(BOARD_KERNEL_SEPARATED_DT)),true)
ifeq ($(strip $(BUILD_TINY_ANDROID)),true)
include device/qcom/common/dtbtool/Android.mk
endif

DTBTOOL := $(HOST_OUT_EXECUTABLES)/dtbTool$(HOST_EXECUTABLE_SUFFIX)

INSTALLED_DTIMAGE_TARGET := $(PRODUCT_OUT)/dt.img

# Most specific paths must come first in possible_dtb_dirs
possible_dtb_dirs = $(KERNEL_OUT)/arch/$(TARGET_KERNEL_ARCH)/boot/dts/qcom/ $(KERNEL_OUT)/arch/arm/boot/dts/qcom/ $(KERNEL_OUT)/arch/$(TARGET_KERNEL_ARCH)/boot/dts/ $(KERNEL_OUT)/arch/arm/boot/dts/ $(KERNEL_OUT)/arch/arm/boot/
dtb_dir = $(firstword $(wildcard $(possible_dtb_dirs)))

define build-dtimage-target
    $(call pretty,"Target dt image: $(INSTALLED_DTIMAGE_TARGET)")
    $(hide) $(DTBTOOL) -o $@ -s $(BOARD_KERNEL_PAGESIZE) -p $(KERNEL_OUT)/scripts/dtc/ $(dtb_dir)
    $(hide) chmod a+r $@
endef

$(INSTALLED_DTIMAGE_TARGET): $(DTBTOOL) $(INSTALLED_KERNEL_TARGET)
	$(build-dtimage-target)

ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_DTIMAGE_TARGET)
ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_DTIMAGE_TARGET)
endif
endif

#---------------------------------------------------------------------
# Generate usbdisk.img FAT32 image
# Please NOTICE: the valid max size of usbdisk.bin is 10GB
#---------------------------------------------------------------------
ifneq ($(strip $(BOARD_USBIMAGE_PARTITION_SIZE_KB)),)
define build-usbimage-target
	$(hide) mkfs.vfat -n "Internal SD" -F 32 -C $(PRODUCT_OUT)/usbdisk.tmp $(BOARD_USBIMAGE_PARTITION_SIZE_KB)
	$(hide) dd if=$(PRODUCT_OUT)/usbdisk.tmp of=$(INSTALLED_USBIMAGE_TARGET) bs=1024 count=20480
	$(hide) rm -f $(PRODUCT_OUT)/usbdisk.tmp
endef

$(INSTALLED_USBIMAGE_TARGET):
	$(build-usbimage-target)
ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_USBIMAGE_TARGET)
ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_DTIMAGE_TARGET)
endif

#####################################################################################################
# support for small user data image

ifneq ($(strip $(BOARD_SMALL_USERDATAIMAGE_PARTITION_SIZE)),)
# Don't build userdata.img if it's extfs but no partition size
skip_userdata.img :=
ifdef INTERNAL_USERIMAGES_EXT_VARIANT
ifndef BOARD_USERDATAIMAGE_PARTITION_SIZE
skip_userdata.img := true
endif
endif

ifneq ($(skip_userdata.img),true)

INSTALLED_SMALL_USERDATAIMAGE_TARGET := $(PRODUCT_OUT)/userdata_small.img

define build-small-userdataimage
  @echo "target small userdata image"
  $(hide) mkdir -p $(1)
  $(hide) $(MKEXTUSERIMG) -s $(TARGET_OUT_DATA) $(2) ext4 data $(BOARD_SMALL_USERDATAIMAGE_PARTITION_SIZE)
  $(hide) chmod a+r $@
  $(hide) $(call assert-max-image-size,$@,$(BOARD_SMALL_USERDATAIMAGE_PARTITION_SIZE))
endef


$(INSTALLED_SMALL_USERDATAIMAGE_TARGET): $(MKEXTUSERIMG) $(MAKE_EXT4FS) $(INSTALLED_USERDATAIMAGE_TARGET)
	$(hide) $(call build-small-userdataimage,$(PRODUCT_OUT),$(INSTALLED_SMALL_USERDATAIMAGE_TARGET))

ALL_DEFAULT_INSTALLED_MODULES += $(INSTALLED_SMALL_USERDATAIMAGE_TARGET)
ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(INSTALLED_SMALL_USERDATAIMAGE_TARGET)

endif

endif

###################################################################################################

.PHONY: kernel
kernel: $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_DTBOIMAGE_TARGET)

.PHONY: dtboimage
dtboimage: $(INSTALLED_DTBOIMAGE_TARGET)

.PHONY: recoveryimage
recoveryimage: $(INSTALLED_RECOVERYIMAGE_TARGET)

.PHONY: kernelclean
kernelclean:
	$(hide) make -C $(TARGET_KERNEL_SOURCE) O=$(KERNEL_TO_BUILD_ROOT_OFFSET)$(PRODUCT_OUT)/obj/KERNEL_OBJ/ ARCH=$(TARGET_ARCH) CROSS_COMPILE=arm-eabi-  clean
	$(hide) make -C $(TARGET_KERNEL_SOURCE) O=$(KERNEL_TO_BUILD_ROOT_OFFSET)$(PRODUCT_OUT)/obj/KERNEL_OBJ/ ARCH=$(TARGET_ARCH) CROSS_COMPILE=arm-eabi-  mrproper
	$(hide) make -C $(TARGET_KERNEL_SOURCE) O=$(KERNEL_TO_BUILD_ROOT_OFFSET)$(PRODUCT_OUT)/obj/KERNEL_OBJ/ ARCH=$(TARGET_ARCH) CROSS_COMPILE=arm-eabi-  distclean
	$(hide) if [ -f "$(INSTALLED_BOOTIMAGE_TARGET)" ]; then  rm $(INSTALLED_BOOTIMAGE_TARGET); fi
	$(hide) if [ -f "$(INSTALLED_BOOTIMAGE_TARGET).nonsecure" ]; then  rm $(INSTALLED_BOOTIMAGE_TARGET).nonsecure; fi
	$(hide) if [ -f "$(PRODUCT_OUT)/kernel" ]; then  rm $(PRODUCT_OUT)/kernel; fi
	@echo "kernel cleanup done"

define board-vendorkernel-ota
  $(call pretty,"Processing following kernel modules for vendor: $(BOARD_VENDOR_KERNEL_MODULES)")
  $(if $(BOARD_VENDOR_KERNEL_MODULES), \
    $(call build-image-kernel-modules,$(BOARD_VENDOR_KERNEL_MODULES),$(TARGET_OUT_VENDOR),vendor/,$(call intermediates-dir-for,PACKAGING,depmod_vendor)))
endef

# Adding support for vendor module for OTA
ifeq ($(ENABLE_VENDOR_IMAGE), false)
.PHONY: otavendormod
otavendormod: $(BOARD_VENDOR_KERNEL_MODULES)
	$(board-vendorkernel-ota)

.PHONY: otavendormod-nodeps
otavendormod-nodeps:
	@echo "make board-vendorkernel-ota: ignoring dependencies"
	$(board-vendorkernel-ota)

$(BUILT_SYSTEMIMAGE): otavendormod

endif