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Makefile
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#
# Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#
# Trusted Firmware Version
#
VERSION_MAJOR := 2
VERSION_MINOR := 2
# Default goal is build all images
.DEFAULT_GOAL := all
# Avoid any implicit propagation of command line variable definitions to
# sub-Makefiles, like CFLAGS that we reserved for the firmware images'
# usage. Other command line options like "-s" are still propagated as usual.
MAKEOVERRIDES =
MAKE_HELPERS_DIRECTORY := make_helpers/
include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
include ${MAKE_HELPERS_DIRECTORY}build_env.mk
################################################################################
# Default values for build configurations, and their dependencies
################################################################################
include ${MAKE_HELPERS_DIRECTORY}defaults.mk
# Assertions enabled for DEBUG builds by default
ENABLE_ASSERTIONS := ${DEBUG}
ENABLE_PMF := ${ENABLE_RUNTIME_INSTRUMENTATION}
PLAT := ${DEFAULT_PLAT}
################################################################################
# Checkpatch script options
################################################################################
CHECKCODE_ARGS := --no-patch
# Do not check the coding style on imported library files or documentation files
INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \
include/lib/libfdt \
include/lib/libc, \
$(wildcard include/lib/*)))
INC_DIRS_TO_CHECK := $(sort $(filter-out \
include/lib, \
$(wildcard include/*)))
LIB_DIRS_TO_CHECK := $(sort $(filter-out \
lib/compiler-rt \
lib/libfdt% \
lib/libc, \
$(wildcard lib/*)))
ROOT_DIRS_TO_CHECK := $(sort $(filter-out \
lib \
include \
docs \
%.rst, \
$(wildcard *)))
CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \
${INC_DIRS_TO_CHECK} \
${INC_LIB_DIRS_TO_CHECK} \
${LIB_DIRS_TO_CHECK}
################################################################################
# Process build options
################################################################################
# Verbose flag
ifeq (${V},0)
Q:=@
ECHO:=@echo
CHECKCODE_ARGS += --no-summary --terse
else
Q:=
ECHO:=$(ECHO_QUIET)
endif
ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
Q:=@
ECHO:=$(ECHO_QUIET)
endif
export Q ECHO
# Process Debug flag
$(eval $(call add_define,DEBUG))
ifneq (${DEBUG}, 0)
BUILD_TYPE := debug
TF_CFLAGS += -g
ifneq ($(findstring clang,$(notdir $(CC))),)
ASFLAGS += -g
else
ASFLAGS += -g -Wa,--gdwarf-2
endif
# Use LOG_LEVEL_INFO by default for debug builds
LOG_LEVEL := 40
else
BUILD_TYPE := release
# Use LOG_LEVEL_NOTICE by default for release builds
LOG_LEVEL := 20
endif
# Default build string (git branch and commit)
ifeq (${BUILD_STRING},)
BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null)
endif
VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING}
# The cert_create tool cannot generate certificates individually, so we use the
# target 'certificates' to create them all
ifneq (${GENERATE_COT},0)
FIP_DEPS += certificates
FWU_FIP_DEPS += fwu_certificates
endif
# Process BRANCH_PROTECTION value and set
# Pointer Authentication and Branch Target Identification flags
ifeq (${BRANCH_PROTECTION},0)
# Default value turns off all types of branch protection
BP_OPTION := none
else ifneq (${ARCH},aarch64)
$(error BRANCH_PROTECTION requires AArch64)
else ifeq (${BRANCH_PROTECTION},1)
# Enables all types of branch protection features
BP_OPTION := standard
ENABLE_BTI := 1
ENABLE_PAUTH := 1
else ifeq (${BRANCH_PROTECTION},2)
# Return address signing to its standard level
BP_OPTION := pac-ret
ENABLE_PAUTH := 1
else ifeq (${BRANCH_PROTECTION},3)
# Extend the signing to include leaf functions
BP_OPTION := pac-ret+leaf
ENABLE_PAUTH := 1
else
$(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
endif
# USE_SPINLOCK_CAS requires AArch64 build
ifeq (${USE_SPINLOCK_CAS},1)
ifneq (${ARCH},aarch64)
$(error USE_SPINLOCK_CAS requires AArch64)
else
$(info USE_SPINLOCK_CAS is an experimental feature)
endif
endif
# USE_DEBUGFS experimental feature recommended only in debug builds
ifeq (${USE_DEBUGFS},1)
ifeq (${DEBUG},1)
$(warning DEBUGFS experimental feature is enabled.)
else
$(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
endif
endif
################################################################################
# Toolchain
################################################################################
HOSTCC := gcc
export HOSTCC
CC := ${CROSS_COMPILE}gcc
CPP := ${CROSS_COMPILE}cpp
AS := ${CROSS_COMPILE}gcc
AR := ${CROSS_COMPILE}ar
LINKER := ${CROSS_COMPILE}ld
OC := ${CROSS_COMPILE}objcopy
OD := ${CROSS_COMPILE}objdump
NM := ${CROSS_COMPILE}nm
PP := ${CROSS_COMPILE}gcc -E
DTC := dtc
# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH).
ifneq ($(strip $(wildcard ${LD}.bfd) \
$(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),)
LINKER := ${LINKER}.bfd
endif
ifeq (${ARM_ARCH_MAJOR},7)
target32-directive = -target arm-none-eabi
# Will set march32-directive from platform configuration
else
target32-directive = -target armv8a-none-eabi
# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option
ifeq (${ARM_ARCH_MINOR},0)
march32-directive = -march=armv8-a
march64-directive = -march=armv8-a
else
march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a
march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a
endif
endif
ifneq ($(findstring armclang,$(notdir $(CC))),)
TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive)
TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive)
LD = $(LINKER)
AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
CPP = $(CC) -E $(TF_CFLAGS_$(ARCH))
PP = $(CC) -E $(TF_CFLAGS_$(ARCH))
else ifneq ($(findstring clang,$(notdir $(CC))),)
CLANG_CCDIR = $(if $(filter-out ./,$(dir $(CC))),$(dir $(CC)),)
TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive)
TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive)
LD = $(CLANG_CCDIR)ld.lld
ifeq (, $(shell which $(LD)))
$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker")
endif
AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
CPP = $(CC) -E
PP = $(CC) -E
else ifneq ($(findstring gcc,$(notdir $(CC))),)
TF_CFLAGS_aarch32 = $(march32-directive)
TF_CFLAGS_aarch64 = $(march64-directive)
ifeq ($(ENABLE_LTO),1)
# Enable LTO only for aarch64
ifeq (${ARCH},aarch64)
LTO_CFLAGS = -flto
# Use gcc as a wrapper for the ld, recommended for LTO
LINKER := ${CROSS_COMPILE}gcc
endif
endif
LD = $(LINKER)
else
TF_CFLAGS_aarch32 = $(march32-directive)
TF_CFLAGS_aarch64 = $(march64-directive)
LD = $(LINKER)
endif
ifeq (${AARCH32_INSTRUCTION_SET},A32)
TF_CFLAGS_aarch32 += -marm
else ifeq (${AARCH32_INSTRUCTION_SET},T32)
TF_CFLAGS_aarch32 += -mthumb
else
$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET})
endif
TF_CFLAGS_aarch32 += -mno-unaligned-access
TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align
ifneq (${BP_OPTION},none)
TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION}
endif
ASFLAGS_aarch32 = $(march32-directive)
ASFLAGS_aarch64 = $(march64-directive)
# General warnings
WARNINGS := -Wall -Wmissing-include-dirs -Wunused \
-Wdisabled-optimization -Wvla -Wshadow \
-Wno-unused-parameter -Wredundant-decls
# Additional warnings
# Level 1
WARNING1 := -Wextra
WARNING1 += -Wmissing-format-attribute
WARNING1 += -Wmissing-prototypes
WARNING1 += -Wold-style-definition
# Level 2
WARNING2 := -Waggregate-return
WARNING2 += -Wcast-align
WARNING2 += -Wnested-externs
WARNING3 := -Wbad-function-cast
WARNING3 += -Wcast-qual
WARNING3 += -Wconversion
WARNING3 += -Wpacked
WARNING3 += -Wpointer-arith
WARNING3 += -Wswitch-default
ifeq (${W},1)
WARNINGS += $(WARNING1)
else ifeq (${W},2)
WARNINGS += $(WARNING1) $(WARNING2)
else ifeq (${W},3)
WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
endif
# Compiler specific warnings
ifeq ($(findstring clang,$(notdir $(CC))),)
# not using clang
WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \
-Wpacked-bitfield-compat -Wshift-overflow=2 \
-Wlogical-op
else
# using clang
WARNINGS += -Wshift-overflow -Wshift-sign-overflow \
-Wlogical-op-parentheses
endif
ifneq (${E},0)
ERRORS := -Werror
endif
CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \
$(ERRORS) $(WARNINGS)
ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \
-ffreestanding -Wa,--fatal-warnings
TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \
-ffunction-sections -fdata-sections \
-ffreestanding -fno-builtin -fno-common \
-Os -std=gnu99
ifeq (${SANITIZE_UB},on)
TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover
endif
ifeq (${SANITIZE_UB},trap)
TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \
-fsanitize-undefined-trap-on-error
endif
GCC_V_OUTPUT := $(shell $(CC) -v 2>&1)
# LD = armlink
ifneq ($(findstring armlink,$(notdir $(LD))),)
TF_LDFLAGS += --diag_error=warning --lto_level=O1
TF_LDFLAGS += --remove --info=unused,unusedsymbols
TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH))
# LD = gcc (used when GCC LTO is enabled)
else ifneq ($(findstring gcc,$(notdir $(LD))),)
# Pass ld options with Wl or Xlinker switches
TF_LDFLAGS += -Wl,--fatal-warnings -O1
TF_LDFLAGS += -Wl,--gc-sections
ifeq ($(ENABLE_LTO),1)
ifeq (${ARCH},aarch64)
TF_LDFLAGS += -flto -fuse-linker-plugin
endif
endif
# GCC automatically adds fix-cortex-a53-843419 flag when used to link
# which breaks some builds, so disable if errata fix is not explicitly enabled
ifneq (${ERRATA_A53_843419},1)
TF_LDFLAGS += -mno-fix-cortex-a53-843419
endif
TF_LDFLAGS += -nostdlib
TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH)))
# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other
else
TF_LDFLAGS += --fatal-warnings -O1
TF_LDFLAGS += --gc-sections
# ld.lld doesn't recognize the errata flags,
# therefore don't add those in that case
ifeq ($(findstring ld.lld,$(notdir $(LD))),)
TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH))
endif
endif
DTC_FLAGS += -I dts -O dtb
DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef -x assembler-with-cpp
################################################################################
# Common sources and include directories
################################################################################
include lib/compiler-rt/compiler-rt.mk
BL_COMMON_SOURCES += common/bl_common.c \
common/tf_log.c \
common/${ARCH}/debug.S \
drivers/console/multi_console.c \
lib/${ARCH}/cache_helpers.S \
lib/${ARCH}/misc_helpers.S \
plat/common/plat_bl_common.c \
plat/common/plat_log_common.c \
plat/common/${ARCH}/plat_common.c \
plat/common/${ARCH}/platform_helpers.S \
${COMPILER_RT_SRCS}
ifeq ($(notdir $(CC)),armclang)
BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S
endif
ifeq (${SANITIZE_UB},on)
BL_COMMON_SOURCES += plat/common/ubsan.c
endif
INCLUDES += -Iinclude \
-Iinclude/arch/${ARCH} \
-Iinclude/lib/cpus/${ARCH} \
-Iinclude/lib/el3_runtime/${ARCH} \
${PLAT_INCLUDES} \
${SPD_INCLUDES}
include common/backtrace/backtrace.mk
################################################################################
# Generic definitions
################################################################################
include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
BUILD_BASE := ./build
BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE}
SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*))))
# Platforms providing their own TBB makefile may override this value
INCLUDE_TBBR_MK := 1
################################################################################
# Include SPD Makefile if one has been specified
################################################################################
ifneq (${SPD},none)
ifeq (${ARCH},aarch32)
$(error "Error: SPD is incompatible with AArch32.")
endif
ifdef EL3_PAYLOAD_BASE
$(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.")
$(warning "The SPD and its BL32 companion will be present but ignored.")
endif
ifeq (${SPD},spmd)
# SPMD is located in std_svc directory
SPD_DIR := std_svc
else
# All other SPDs in spd directory
SPD_DIR := spd
endif
# We expect to locate an spd.mk under the specified SPD directory
SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk)
ifeq (${SPD_MAKE},)
$(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located)
endif
$(info Including ${SPD_MAKE})
include ${SPD_MAKE}
# If there's BL32 companion for the chosen SPD, we expect that the SPD's
# Makefile would set NEED_BL32 to "yes". In this case, the build system
# supports two mutually exclusive options:
# * BL32 is built from source: then BL32_SOURCES must contain the list
# of source files to build BL32
# * BL32 is a prebuilt binary: then BL32 must point to the image file
# that will be included in the FIP
# If both BL32_SOURCES and BL32 are defined, the binary takes precedence
# over the sources.
endif
################################################################################
# Include the platform specific Makefile after the SPD Makefile (the platform
# makefile may use all previous definitions in this file)
################################################################################
include ${PLAT_MAKEFILE_FULL}
$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
ifeq (${ARM_ARCH_MAJOR},7)
include make_helpers/armv7-a-cpus.mk
endif
PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT})
ifneq ($(PIE_FOUND),)
TF_CFLAGS += -fno-PIE
endif
ifneq ($(findstring gcc,$(notdir $(LD))),)
PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker
else
PIE_LDFLAGS += -pie --no-dynamic-linker
endif
ifeq ($(ENABLE_PIE),1)
ifeq ($(BL2_AT_EL3),1)
ifneq ($(BL2_IN_XIP_MEM),1)
BL2_CFLAGS += -fpie
BL2_LDFLAGS += $(PIE_LDFLAGS)
endif
endif
BL31_CFLAGS += -fpie
BL31_LDFLAGS += $(PIE_LDFLAGS)
ifeq ($(ARCH),aarch64)
BL32_CFLAGS += -fpie
BL32_LDFLAGS += $(PIE_LDFLAGS)
endif
endif
# Include the CPU specific operations makefile, which provides default
# values for all CPU errata workarounds and CPU specific optimisations.
# This can be overridden by the platform.
include lib/cpus/cpu-ops.mk
ifeq (${ARCH},aarch32)
NEED_BL32 := yes
################################################################################
# Build `AARCH32_SP` as BL32 image for AArch32
################################################################################
ifneq (${AARCH32_SP},none)
# We expect to locate an sp.mk under the specified AARCH32_SP directory
AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk)
ifeq (${AARCH32_SP_MAKE},)
$(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located)
endif
$(info Including ${AARCH32_SP_MAKE})
include ${AARCH32_SP_MAKE}
endif
endif
################################################################################
# Include libc if not overridden
################################################################################
ifeq (${OVERRIDE_LIBC},0)
include lib/libc/libc.mk
endif
################################################################################
# Check incompatible options
################################################################################
ifdef EL3_PAYLOAD_BASE
ifdef PRELOADED_BL33_BASE
$(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \
incompatible build options. EL3_PAYLOAD_BASE has priority.")
endif
ifneq (${GENERATE_COT},0)
$(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.")
endif
ifneq (${TRUSTED_BOARD_BOOT},0)
$(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.")
endif
endif
ifeq (${NEED_BL33},yes)
ifdef EL3_PAYLOAD_BASE
$(warning "BL33 image is not needed when option \
BL33_PAYLOAD_BASE is used and won't be added to the FIP file.")
endif
ifdef PRELOADED_BL33_BASE
$(warning "BL33 image is not needed when option \
PRELOADED_BL33_BASE is used and won't be added to the FIP \
file.")
endif
endif
# When building for systems with hardware-assisted coherency, there's no need to
# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
endif
#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1.
ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1)
$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled")
endif
# For RAS_EXTENSION, require that EAs are handled in EL3 first
ifeq ($(RAS_EXTENSION),1)
ifneq ($(HANDLE_EA_EL3_FIRST),1)
$(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1)
endif
endif
# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
ifeq ($(FAULT_INJECTION_SUPPORT),1)
ifneq ($(RAS_EXTENSION),1)
$(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1)
endif
endif
# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
ifeq ($(DYN_DISABLE_AUTH), 1)
ifeq (${TRUSTED_BOARD_BOOT}, 0)
$(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
endif
endif
# If pointer authentication is used in the firmware, make sure that all the
# registers associated to it are also saved and restored.
# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
ifeq ($(ENABLE_PAUTH),1)
ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
$(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
endif
endif
ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
ifneq (${ARCH},aarch64)
$(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
else
$(info CTX_INCLUDE_PAUTH_REGS is an experimental feature)
endif
endif
ifeq ($(ENABLE_PAUTH),1)
$(info Pointer Authentication is an experimental feature)
endif
ifeq ($(ENABLE_BTI),1)
$(info Branch Protection is an experimental feature)
endif
ifeq ($(CTX_INCLUDE_MTE_REGS),1)
ifneq (${ARCH},aarch64)
$(error CTX_INCLUDE_MTE_REGS requires AArch64)
else
$(info CTX_INCLUDE_MTE_REGS is an experimental feature)
endif
endif
ifeq ($(MEASURED_BOOT),1)
ifneq (${TRUSTED_BOARD_BOOT},1)
$(error MEASURED_BOOT requires TRUSTED_BOARD_BOOT=1")
else
$(info MEASURED_BOOT is an experimental feature)
endif
endif
################################################################################
# Process platform overrideable behaviour
################################################################################
# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
# Certificate generation tools. This flag can be overridden by the platform.
ifdef BL2_SOURCES
ifdef EL3_PAYLOAD_BASE
# If booting an EL3 payload there is no need for a BL33 image
# in the FIP file.
NEED_BL33 := no
else
ifdef PRELOADED_BL33_BASE
# If booting a BL33 preloaded image there is no need of
# another one in the FIP file.
NEED_BL33 := no
else
NEED_BL33 ?= yes
endif
endif
endif
# If SCP_BL2 is given, we always want FIP to include it.
ifdef SCP_BL2
NEED_SCP_BL2 := yes
endif
# For AArch32, BL31 is not currently supported.
ifneq (${ARCH},aarch32)
ifdef BL31_SOURCES
# When booting an EL3 payload, there is no need to compile the BL31 image nor
# put it in the FIP.
ifndef EL3_PAYLOAD_BASE
NEED_BL31 := yes
endif
endif
endif
# Process TBB related flags
ifneq (${GENERATE_COT},0)
# Common cert_create options
ifneq (${CREATE_KEYS},0)
$(eval CRT_ARGS += -n)
$(eval FWU_CRT_ARGS += -n)
ifneq (${SAVE_KEYS},0)
$(eval CRT_ARGS += -k)
$(eval FWU_CRT_ARGS += -k)
endif
endif
# Include TBBR makefile (unless the platform indicates otherwise)
ifeq (${INCLUDE_TBBR_MK},1)
include make_helpers/tbbr/tbbr_tools.mk
endif
endif
ifneq (${FIP_ALIGN},0)
FIP_ARGS += --align ${FIP_ALIGN}
endif
################################################################################
# Include libraries' Makefile that are used in all BL
################################################################################
include lib/stack_protector/stack_protector.mk
################################################################################
# Auxiliary tools (fiptool, cert_create, etc)
################################################################################
# Variables for use with Certificate Generation Tool
CRTTOOLPATH ?= tools/cert_create
CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT}
# Variables for use with Firmware Image Package
FIPTOOLPATH ?= tools/fiptool
FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT}
# Variables for use with sptool
SPTOOLPATH ?= tools/sptool
SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT}
# Variables for use with ROMLIB
ROMLIBPATH ?= lib/romlib
# Variable for use with Python
PYTHON ?= python3
# Variables for use with PRINT_MEMORY_MAP
PRINT_MEMORY_MAP_PATH ?= tools/memory
PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py
# Variables for use with documentation build using Sphinx tool
DOCS_PATH ?= docs
################################################################################
# Include BL specific makefiles
################################################################################
ifdef BL1_SOURCES
NEED_BL1 := yes
include bl1/bl1.mk
endif
ifdef BL2_SOURCES
NEED_BL2 := yes
include bl2/bl2.mk
endif
ifdef BL2U_SOURCES
NEED_BL2U := yes
include bl2u/bl2u.mk
endif
ifeq (${NEED_BL31},yes)
ifdef BL31_SOURCES
include bl31/bl31.mk
endif
endif
ifdef FDT_SOURCES
NEED_FDT := yes
endif
################################################################################
# Build options checks
################################################################################
$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU))
$(eval $(call assert_boolean,CREATE_KEYS))
$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS))
$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS))
$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS))
$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS))
$(eval $(call assert_boolean,DEBUG))
$(eval $(call assert_boolean,DYN_DISABLE_AUTH))
$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING))
$(eval $(call assert_boolean,ENABLE_AMU))
$(eval $(call assert_boolean,ENABLE_ASSERTIONS))
$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS))
$(eval $(call assert_boolean,ENABLE_PIE))
$(eval $(call assert_boolean,ENABLE_PMF))
$(eval $(call assert_boolean,ENABLE_PSCI_STAT))
$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION))
$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS))
$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS))
$(eval $(call assert_boolean,ERROR_DEPRECATED))
$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT))
$(eval $(call assert_boolean,GENERATE_COT))
$(eval $(call assert_boolean,GICV2_G0_FOR_EL3))
$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST))
$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY))
$(eval $(call assert_boolean,MEASURED_BOOT))
$(eval $(call assert_boolean,NS_TIMER_SWITCH))
$(eval $(call assert_boolean,OVERRIDE_LIBC))
$(eval $(call assert_boolean,PL011_GENERIC_UART))
$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS))
$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID))
$(eval $(call assert_boolean,RAS_EXTENSION))
$(eval $(call assert_boolean,RESET_TO_BL31))
$(eval $(call assert_boolean,SAVE_KEYS))
$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA))
$(eval $(call assert_boolean,SEPARATE_NOBITS_REGION))
$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT))
$(eval $(call assert_boolean,SPM_MM))
$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT))
$(eval $(call assert_boolean,USE_COHERENT_MEM))
$(eval $(call assert_boolean,USE_DEBUGFS))
$(eval $(call assert_boolean,USE_FCONF_BASED_IO))
$(eval $(call assert_boolean,USE_ROMLIB))
$(eval $(call assert_boolean,USE_TBBR_DEFS))
$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
$(eval $(call assert_boolean,BL2_AT_EL3))
$(eval $(call assert_boolean,BL2_IN_XIP_MEM))
$(eval $(call assert_boolean,BL2_INV_DCACHE))
$(eval $(call assert_boolean,USE_SPINLOCK_CAS))
$(eval $(call assert_numeric,ARM_ARCH_MAJOR))
$(eval $(call assert_numeric,ARM_ARCH_MINOR))
$(eval $(call assert_numeric,BRANCH_PROTECTION))
ifdef KEY_SIZE
$(eval $(call assert_numeric,KEY_SIZE))
endif
ifeq ($(filter $(SANITIZE_UB), on off trap),)
$(error "Invalid value for SANITIZE_UB: can be one of on, off, trap")
endif
################################################################################
# Add definitions to the cpp preprocessor based on the current build options.
# This is done after including the platform specific makefile to allow the
# platform to overwrite the default options
################################################################################
$(eval $(call add_define,ARM_ARCH_MAJOR))
$(eval $(call add_define,ARM_ARCH_MINOR))
$(eval $(call add_define,COLD_BOOT_SINGLE_CPU))
$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS))
$(eval $(call add_define,CTX_INCLUDE_FPREGS))
$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS))
$(eval $(call add_define,EL3_EXCEPTION_HANDLING))
$(eval $(call add_define,CTX_INCLUDE_MTE_REGS))
$(eval $(call add_define,ENABLE_AMU))
$(eval $(call add_define,ENABLE_ASSERTIONS))
$(eval $(call add_define,ENABLE_BTI))
$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS))
$(eval $(call add_define,ENABLE_PAUTH))
$(eval $(call add_define,ENABLE_PIE))
$(eval $(call add_define,ENABLE_PMF))
$(eval $(call add_define,ENABLE_PSCI_STAT))
$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION))
$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS))
$(eval $(call add_define,ENABLE_SVE_FOR_NS))
$(eval $(call add_define,ERROR_DEPRECATED))
$(eval $(call add_define,FAULT_INJECTION_SUPPORT))
$(eval $(call add_define,GICV2_G0_FOR_EL3))
$(eval $(call add_define,HANDLE_EA_EL3_FIRST))
$(eval $(call add_define,HW_ASSISTED_COHERENCY))
$(eval $(call add_define,LOG_LEVEL))
$(eval $(call add_define,MEASURED_BOOT))
$(eval $(call add_define,NS_TIMER_SWITCH))
$(eval $(call add_define,PL011_GENERIC_UART))
$(eval $(call add_define,PLAT_${PLAT}))
$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS))
$(eval $(call add_define,PSCI_EXTENDED_STATE_ID))
$(eval $(call add_define,RAS_EXTENSION))
$(eval $(call add_define,RESET_TO_BL31))
$(eval $(call add_define,SEPARATE_CODE_AND_RODATA))
$(eval $(call add_define,SEPARATE_NOBITS_REGION))
$(eval $(call add_define,RECLAIM_INIT_CODE))
$(eval $(call add_define,SPD_${SPD}))
$(eval $(call add_define,SPIN_ON_BL1_EXIT))
$(eval $(call add_define,SPM_MM))
$(eval $(call add_define,TRUSTED_BOARD_BOOT))
$(eval $(call add_define,USE_COHERENT_MEM))
$(eval $(call add_define,USE_DEBUGFS))
$(eval $(call add_define,USE_FCONF_BASED_IO))
$(eval $(call add_define,USE_ROMLIB))
$(eval $(call add_define,USE_TBBR_DEFS))
$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
$(eval $(call add_define,BL2_AT_EL3))
$(eval $(call add_define,BL2_IN_XIP_MEM))
$(eval $(call add_define,BL2_INV_DCACHE))
$(eval $(call add_define,USE_SPINLOCK_CAS))
ifeq (${SANITIZE_UB},trap)
$(eval $(call add_define,MONITOR_TRAPS))
endif
# Define the EL3_PAYLOAD_BASE flag only if it is provided.
ifdef EL3_PAYLOAD_BASE
$(eval $(call add_define,EL3_PAYLOAD_BASE))
else
# Define the PRELOADED_BL33_BASE flag only if it is provided and
# EL3_PAYLOAD_BASE is not defined, as it has priority.
ifdef PRELOADED_BL33_BASE
$(eval $(call add_define,PRELOADED_BL33_BASE))
endif
endif
# Define the DYN_DISABLE_AUTH flag only if set.
ifeq (${DYN_DISABLE_AUTH},1)
$(eval $(call add_define,DYN_DISABLE_AUTH))
endif
ifneq ($(findstring armlink,$(notdir $(LD))),)
$(eval $(call add_define,USE_ARM_LINK))
endif
################################################################################
# Build targets
################################################################################
.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs memmap doc
.SUFFIXES:
all: msg_start
msg_start:
@echo "Building ${PLAT}"
ifeq (${ERROR_DEPRECATED},0)
# Check if deprecated declarations and cpp warnings should be treated as error or not.
ifneq ($(findstring clang,$(notdir $(CC))),)
CPPFLAGS += -Wno-error=deprecated-declarations
else
CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp
endif
# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__.
ASFLAGS += -D__ASSEMBLY__
# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__.
ifeq (${ARCH},aarch32)
$(eval $(call add_define,AARCH32))
else
$(eval $(call add_define,AARCH64))
endif
endif # !ERROR_DEPRECATED
$(eval $(call MAKE_LIB_DIRS))
$(eval $(call MAKE_LIB,c))
# Expand build macros for the different images
ifeq (${NEED_BL1},yes)
$(eval $(call MAKE_BL,1))
endif
ifeq (${NEED_BL2},yes)
ifeq (${BL2_AT_EL3}, 0)
FIP_BL2_ARGS := tb-fw
endif
$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
$(eval $(call MAKE_BL,2,${FIP_BL2_ARGS})))
endif
ifeq (${NEED_SCP_BL2},yes)
$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw))
endif
ifeq (${NEED_BL31},yes)
BL31_SOURCES += ${SPD_SOURCES}
$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
$(eval $(call MAKE_BL,31,soc-fw)))
endif
# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
# build system will call TOOL_ADD_IMG to print a warning message and abort the
# process. Note that the dependency on BL32 applies to the FIP only.
ifeq (${NEED_BL32},yes)
BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\
$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
endif
# Add the BL33 image if required by the platform
ifeq (${NEED_BL33},yes)
$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
endif
ifeq (${NEED_BL2U},yes)
$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\
$(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_)))
endif
# Expand build macros for the different images
ifeq (${NEED_FDT},yes)
$(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
endif
locate-checkpatch:
ifndef CHECKPATCH
$(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
else
ifeq (,$(wildcard ${CHECKPATCH}))
$(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl")
endif
endif
clean:
@echo " CLEAN"
$(call SHELL_REMOVE_DIR,${BUILD_PLAT})
${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
realclean distclean:
@echo " REALCLEAN"
$(call SHELL_REMOVE_DIR,${BUILD_BASE})
$(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*)
${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean
${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
checkcodebase: locate-checkpatch
@echo " CHECKING STYLE"