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AndroidBoot.mk
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AndroidBoot.mk
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#Android makefile to build bootloader as a part of Android Build
ANDROID_TOP=$(shell pwd)
CLANG_BIN := $(ANDROID_TOP)/$(LLVM_PREBUILTS_PATH)/
ABL_USE_SDLLVM := false
ifneq ($(FORCE_SDCLANG_OFF),true)
ifneq ($(wildcard $(SDCLANG_PATH)),)
ifeq ($(shell echo $(SDCLANG_PATH) | head -c 1),/)
CLANG_BIN := $(SDCLANG_PATH)/
else
CLANG_BIN := $(ANDROID_TOP)/$(SDCLANG_PATH)/
endif
ABL_USE_SDLLVM := true
endif
endif
# LD & make are not available in prebuilts for older Android versions
ifeq (1,$(filter 1,$(shell echo "$$(( $(PLATFORM_SDK_VERSION) > 27 ))" )))
LDOPT="-fuse-ld=$(ANDROID_TOP)/$(SOONG_LLVM_PREBUILTS_PATH)/ld.lld"
MAKEPATH=$(ANDROID_TOP)/prebuilts/build-tools/linux-x86/bin/
ifeq (,$(wildcard $(MAKEPATH)make))
MAKEPATH :=
endif
endif
# Use host tools from prebuilts. Partner should determine the correct host tools to use
PREBUILT_HOST_TOOLS := CC=$(ANDROID_TOP)/$(CLANG)\ \
CXX=$(ANDROID_TOP)/$(CLANG_CXX)\ \
LDPATH=$(LDOPT)\ \
AR=$(ANDROID_TOP)/$(HOST_AR)
PREBUILT_PYTHON_PATH=$(ANDROID_TOP)/prebuilts/python/linux-x86/2.7.5/bin/python2
DISABLE_PARALLEL_DOWNLOAD_FLASH := DISABLE_PARALLEL_DOWNLOAD_FLASH=0
ifeq ($(PRODUCT_SUPPORTS_VERITY),true)
VERIFIED_BOOT := VERIFIED_BOOT=1
else
VERIFIED_BOOT := VERIFIED_BOOT=0
endif
ifeq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
BUILD_SYSTEM_ROOT_IMAGE := BUILD_SYSTEM_ROOT_IMAGE=1
else
BUILD_SYSTEM_ROOT_IMAGE := BUILD_SYSTEM_ROOT_IMAGE=0
endif
ifeq ($(BOARD_AVB_ENABLE),true)
VERIFIED_BOOT_2 := VERIFIED_BOOT_2=1
else
VERIFIED_BOOT_2 := VERIFIED_BOOT_2=0
endif
ifeq ($(BOARD_LEVB_ENABLE),true)
VERIFIED_BOOT_LE := VERIFIED_BOOT_LE=1
else
VERIFIED_BOOT_LE := VERIFIED_BOOT_LE=0
endif
ifeq ($(TARGET_AB_RETRYCOUNT_DISABLE),true)
AB_RETRYCOUNT_DISABLE := AB_RETRYCOUNT_DISABLE=1
else
AB_RETRYCOUNT_DISABLE := AB_RETRYCOUNT_DISABLE=0
endif
ifeq ($(TARGET_BUILD_VARIANT),user)
USER_BUILD_VARIANT := USER_BUILD_VARIANT=1
else
USER_BUILD_VARIANT := USER_BUILD_VARIANT=0
endif
ifneq ($(TARGET_BOOTLOADER_BOARD_NAME),)
BOARD_BOOTLOADER_PRODUCT_NAME := $(TARGET_BOOTLOADER_BOARD_NAME)
else
BOARD_BOOTLOADER_PRODUCT_NAME := QC_Reference_Phone
endif
ifneq ($(TARGET_BOOTLOADER_BOARD_MODEL),)
BOARD_BOOTLOADER_PRODUCT_MODEL := $(TARGET_BOOTLOADER_BOARD_MODEL)
else
BOARD_BOOTLOADER_PRODUCT_MODEL := unknown
endif
ifneq ($(TARGET_BOARD_TYPE),auto)
TARGET_BOARD_TYPE_AUTO := TARGET_BOARD_TYPE_AUTO=0
else
TARGET_BOARD_TYPE_AUTO := TARGET_BOARD_TYPE_AUTO=1
endif
ifneq ($(BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE),)
USERDATAIMAGE_FILE_SYSTEM_TYPE := $(BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE)
else
USERDATAIMAGE_FILE_SYSTEM_TYPE := ext4
endif
ifeq ($(BOARD_ABL_SAFESTACK_DISABLE),true)
ABL_SAFESTACK := false
else
ABL_SAFESTACK := true
endif
ifeq ($(PRODUCT_USE_DYNAMIC_PARTITIONS),true)
DYNAMIC_PARTITION_SUPPORT := DYNAMIC_PARTITION_SUPPORT=1
else
DYNAMIC_PARTITION_SUPPORT := DYNAMIC_PARTITION_SUPPORT=0
endif
ifeq ($(PRODUCT_VIRTUAL_AB_OTA),true)
VIRTUAL_AB_OTA := VIRTUAL_AB_OTA=1
else
VIRTUAL_AB_OTA := VIRTUAL_AB_OTA=0
endif
ifneq (,$(filter true,$(BOARD_USES_RECOVERY_AS_BOOT) $(BOARD_MOVE_RECOVERY_RESOURCES_TO_VENDOR_BOOT)))
BUILD_USES_RECOVERY_AS_BOOT := BUILD_USES_RECOVERY_AS_BOOT=1
else
BUILD_USES_RECOVERY_AS_BOOT := BUILD_USES_RECOVERY_AS_BOOT=0
endif
SAFESTACK_SUPPORTED_CLANG_VERSION = 6.0
# For most platform, abl needed always be built
# in aarch64 arthitecture to run.
# Specify BOOTLOADER_ARCH if needed to built with
# other ARCHs.
ifeq ($(BOOTLOADER_ARCH),)
BOOTLOADER_ARCH := AARCH64
endif
TARGET_ARCHITECTURE := $(BOOTLOADER_ARCH)
ifeq ($(TARGET_ARCHITECTURE),arm)
CLANG35_PREFIX := $(ANDROID_TOP)/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-$(TARGET_GCC_VERSION)/bin/arm-linux-androideabi-
CLANG35_GCC_TOOLCHAIN := $(ANDROID_TOP)/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-$(TARGET_GCC_VERSION)
else
CLANG35_PREFIX := $(ANDROID_TOP)/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-$(TARGET_GCC_VERSION)/bin/aarch64-linux-android-
CLANG35_GCC_TOOLCHAIN := $(ANDROID_TOP)/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-$(TARGET_GCC_VERSION)
endif
# ABL ELF output
TARGET_ABL := $(PRODUCT_OUT)/abl.elf
TARGET_EMMC_BOOTLOADER := $(TARGET_ABL)
ABL_OUT := $(TARGET_OUT_INTERMEDIATES)/ABL_OBJ
$(ABL_OUT):
mkdir -p $(ABL_OUT)
# Top level target
LOCAL_ABL_PATH := bootable/bootloader/edk2
LOCAL_ABL_SRC_FILE := $(shell find $(LOCAL_ABL_PATH) -name "*" -type f | sed "s%\.\/%$(LOCAL_ABL_PATH)\/%g")
$(TARGET_ABL): $(LOCAL_ABL_SRC_FILE) | $(ABL_OUT) $(INSTALLED_KEYSTOREIMAGE_TARGET)
$(MAKEPATH)make -C bootable/bootloader/edk2 \
BOOTLOADER_OUT=../../../$(ABL_OUT) \
all \
PREBUILT_HOST_TOOLS=$(PREBUILT_HOST_TOOLS) \
PREBUILT_PYTHON_PATH=$(PREBUILT_PYTHON_PATH) \
MAKEPATH=$(MAKEPATH) \
$(BUILD_SYSTEM_ROOT_IMAGE) \
$(VERIFIED_BOOT) \
$(VERIFIED_BOOT_2) \
$(VERIFIED_BOOT_LE) \
$(USER_BUILD_VARIANT) \
$(DISABLE_PARALLEL_DOWNLOAD_FLASH) \
$(AB_RETRYCOUNT_DISABLE) \
$(DYNAMIC_PARTITION_SUPPORT) \
$(TARGET_BOARD_TYPE_AUTO) \
$(VIRTUAL_AB_OTA) \
$(BUILD_USES_RECOVERY_AS_BOOT) \
CLANG_BIN=$(CLANG_BIN) \
CLANG_PREFIX=$(CLANG35_PREFIX)\
ABL_USE_SDLLVM=$(ABL_USE_SDLLVM) \
ABL_SAFESTACK=$(ABL_SAFESTACK) \
SAFESTACK_SUPPORTED_CLANG_VERSION=$(SAFESTACK_SUPPORTED_CLANG_VERSION) \
CLANG_GCC_TOOLCHAIN=$(CLANG35_GCC_TOOLCHAIN)\
TARGET_ARCHITECTURE=$(TARGET_ARCHITECTURE) \
BOARD_BOOTLOADER_PRODUCT_NAME=$(BOARD_BOOTLOADER_PRODUCT_NAME) \
BOARD_BOOTLOADER_PRODUCT_MODEL=$(BOARD_BOOTLOADER_PRODUCT_MODEL) \
USERDATAIMAGE_FILE_SYSTEM_TYPE=$(USERDATAIMAGE_FILE_SYSTEM_TYPE)