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#Android makefile to build lk bootloader as a part of Android Build
ifndef 2ND_TARGET_GCC_VERSION
CROSS_COMPILE := ../../../prebuilts/gcc/linux-x86/arm/arm-eabi-$(TARGET_GCC_VERSION)/bin/arm-eabi-
else
CROSS_COMPILE := ../../../prebuilts/gcc/linux-x86/arm/arm-eabi-$(2ND_TARGET_GCC_VERSION)/bin/arm-eabi-
endif
# Set flags if we need to include security libs
ifeq ($(TARGET_BOOTIMG_SIGNED),true)
SIGNED_KERNEL := SIGNED_KERNEL=1
else
SIGNED_KERNEL := SIGNED_KERNEL=0
endif
ifeq ($(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY),true)
VERIFIED_BOOT := VERIFIED_BOOT=1
else
VERIFIED_BOOT := VERIFEID_BOOT=0
endif
ifneq ($(TARGET_BUILD_VARIANT),user)
DEVICE_STATUS := DEFAULT_UNLOCK=true
USER_BUILD_VARIANT=true
endif
ifeq ($(TARGET_BUILD_VARIANT),user)
BUILD_VARIANT := USER_BUILD_VARIANT=true
endif
ifeq ($(TARGET_BOARD_PLATFORM),msm8660)
BOOTLOADER_PLATFORM := msm8660_surf
else
BOOTLOADER_PLATFORM := $(TARGET_BOARD_PLATFORM)
endif
ABOOT_OUT := $(TARGET_OUT_INTERMEDIATES)/ABOOT_OBJ
$(ABOOT_OUT):
$(hide) mkdir -p $(ABOOT_OUT)
ABOOT_CLEAN:
$(hide) rm -f $(TARGET_ABOOT_ELF)
# ELF binary for ABOOT
TARGET_ABOOT_ELF := $(PRODUCT_OUT)/aboot.elf
$(TARGET_ABOOT_ELF): ABOOT_CLEAN | $(ABOOT_OUT)
$(MAKE) -C bootable/bootloader/lk TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=../../../$(ABOOT_OUT) $(BOOTLOADER_PLATFORM) $(EMMC_BOOT) $(SIGNED_KERNEL) $(VERIFIED_BOOT) $(DEVICE_STATUS) $(BUILD_VARIANT)
# NAND variant output
TARGET_NAND_BOOTLOADER := $(PRODUCT_OUT)/appsboot.mbn
NAND_BOOTLOADER_OUT := $(TARGET_OUT_INTERMEDIATES)/NAND_BOOTLOADER_OBJ
# Remove bootloader binary to trigger recompile when source changes
appsbootldr_clean:
$(hide) rm -f $(TARGET_NAND_BOOTLOADER)
$(NAND_BOOTLOADER_OUT):
mkdir -p $(NAND_BOOTLOADER_OUT)
# eMMC variant output
TARGET_EMMC_BOOTLOADER := $(PRODUCT_OUT)/emmc_appsboot.mbn
EMMC_BOOTLOADER_OUT := $(TARGET_OUT_INTERMEDIATES)/EMMC_BOOTLOADER_OBJ
emmc_appsbootldr_clean:
$(hide) rm -f $(TARGET_EMMC_BOOTLOADER)
$(EMMC_BOOTLOADER_OUT):
mkdir -p $(EMMC_BOOTLOADER_OUT)
# Top level for NAND variant targets
$(TARGET_NAND_BOOTLOADER): appsbootldr_clean | $(NAND_BOOTLOADER_OUT)
$(MAKE) -C bootable/bootloader/lk TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=../../../$(NAND_BOOTLOADER_OUT) $(BOOTLOADER_PLATFORM) $(SIGNED_KERNEL)
# Top level for eMMC variant targets
$(TARGET_EMMC_BOOTLOADER): emmc_appsbootldr_clean | $(EMMC_BOOTLOADER_OUT) $(INSTALLED_KEYSTOREIMAGE_TARGET)
$(MAKE) -C bootable/bootloader/lk TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=../../../$(EMMC_BOOTLOADER_OUT) $(BOOTLOADER_PLATFORM) EMMC_BOOT=1 $(SIGNED_KERNEL) $(VERIFIED_BOOT) $(DEVICE_STATUS) $(BUILD_VARIANT)
# Keep build NAND & eMMC as default for targets still using TARGET_BOOTLOADER
TARGET_BOOTLOADER := $(PRODUCT_OUT)/EMMCBOOT.MBN
$(TARGET_BOOTLOADER): $(NAND_BOOTLOADER_OUT) $(EMMC_BOOTLOADER_OUT) | $(TARGET_NAND_BOOTLOADER) $(TARGET_EMMC_BOOTLOADER)
#
# Build nandwrite as a part of Android Build for NAND configurations
#
TARGET_NANDWRITE := $(PRODUCT_OUT)/obj/nandwrite/build-$(BOOTLOADER_PLATFORM)_nandwrite/lk
NANDWRITE_OUT := $(TARGET_OUT_INTERMEDIATES)/nandwrite
nandwrite_clean:
$(hide) rm -f $(TARGET_NANDWRITE)
$(hide) rm -rf $(NANDWRITE_OUT)
$(NANDWRITE_OUT):
mkdir -p $(NANDWRITE_OUT)
$(TARGET_NANDWRITE): nandwrite_clean | $(NANDWRITE_OUT)
@echo $(BOOTLOADER_PLATFORM)_nandwrite
$(MAKE) -C bootable/bootloader/lk TOOLCHAIN_PREFIX=$(CROSS_COMPILE) BOOTLOADER_OUT=../../../$(NANDWRITE_OUT) $(BOOTLOADER_PLATFORM)_nandwrite BUILD_NANDWRITE=1
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