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Makefile
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#
# Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#
# Trusted Firmware Version
#
VERSION_MAJOR := 2
VERSION_MINOR := 9
VERSION := ${VERSION_MAJOR}.${VERSION_MINOR}
# 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_ARM_DIRS_TO_CHECK := $(sort $(filter-out \
include/drivers/arm/cryptocell, \
$(wildcard include/drivers/arm/*)))
INC_ARM_DIRS_TO_CHECK += include/drivers/arm/cryptocell/*.h
INC_DRV_DIRS_TO_CHECK := $(sort $(filter-out \
include/drivers/arm, \
$(wildcard include/drivers/*)))
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 \
include/drivers, \
$(wildcard include/*)))
LIB_DIRS_TO_CHECK := $(sort $(filter-out \
lib/compiler-rt \
lib/libfdt% \
lib/libc, \
lib/zlib \
$(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} \
${INC_DRV_DIRS_TO_CHECK} \
${INC_ARM_DIRS_TO_CHECK}
################################################################################
# Process build options
################################################################################
# Verbose flag
ifeq (${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
################################################################################
# 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
################################################################################
# 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 Encryption Tool
ENCTOOLPATH ?= tools/encrypt_fw
ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${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.py
SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py
SP_DTS_LIST_FRAGMENT ?= ${BUILD_PLAT}/sp_list_fragment.dts
# Variables for use with ROMLIB
ROMLIBPATH ?= lib/romlib
# Variable for use with Python
PYTHON ?= python3
# Variables for use with documentation build using Sphinx tool
DOCS_PATH ?= docs
################################################################################
# Process BRANCH_PROTECTION value and set
# Pointer Authentication and Branch Target Identification flags
################################################################################
ifeq (${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 ifeq (${BRANCH_PROTECTION},4)
# Turn on branch target identification mechanism
BP_OPTION := bti
ENABLE_BTI := 1
else
$(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
endif #(BRANCH_PROTECTION)
################################################################################
# RME dependent flags configuration
################################################################################
# FEAT_RME
ifeq (${ENABLE_RME},1)
# RME doesn't support PIE
ifneq (${ENABLE_PIE},0)
$(error ENABLE_RME does not support PIE)
endif
# RME doesn't support BRBE
ifneq (${ENABLE_BRBE_FOR_NS},0)
$(error ENABLE_RME does not support BRBE.)
endif
# RME requires AARCH64
ifneq (${ARCH},aarch64)
$(error ENABLE_RME requires AArch64)
endif
# RME requires el2 context to be saved for now.
CTX_INCLUDE_EL2_REGS := 1
CTX_INCLUDE_AARCH32_REGS := 0
ARM_ARCH_MAJOR := 8
ARM_ARCH_MINOR := 5
ENABLE_FEAT_ECV = 1
ENABLE_FEAT_FGT = 1
CTX_INCLUDE_PAUTH_REGS := 1
# RME enables CSV2_2 extension by default.
ENABLE_FEAT_CSV2_2 = 1
endif #(FEAT_RME)
################################################################################
# Compiler Configuration based on ARCH_MAJOR and ARCH_MINOR flags
################################################################################
ifeq (${ARM_ARCH_MAJOR},7)
target32-directive = -target arm-none-eabi
# Will set march-directive from platform configuration
else
target32-directive = -target armv8a-none-eabi
endif #(ARM_ARCH_MAJOR)
################################################################################
# Get Architecture Feature Modifiers
################################################################################
arch-features = ${ARM_ARCH_FEATURE}
####################################################
# Enable required options for Memory Stack Tagging.
####################################################
# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards
ifeq ($(ARCH), aarch64)
# Check if revision is greater than or equal to 8.5
ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
mem_tag_arch_support = yes
endif
endif #(ARCH=aarch64)
# Currently, these options are enabled only for clang and armclang compiler.
ifeq (${SUPPORT_STACK_MEMTAG},yes)
ifdef mem_tag_arch_support
# Check for armclang and clang compilers
ifneq ( ,$(filter $(notdir $(CC)),armclang clang))
# Add "memtag" architecture feature modifier if not specified
ifeq ( ,$(findstring memtag,$(arch-features)))
arch-features := $(arch-features)+memtag
endif # memtag
ifeq ($(notdir $(CC)),armclang)
TF_CFLAGS += -mmemtag-stack
else ifeq ($(notdir $(CC)),clang)
TF_CFLAGS += -fsanitize=memtag
endif # armclang
endif
else
$(error "Error: stack memory tagging is not supported for \
architecture ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
endif #(mem_tag_arch_support)
endif #(SUPPORT_STACK_MEMTAG)
# Set the compiler's architecture feature modifiers
ifneq ($(arch-features), none)
# Strip "none+" from arch-features
arch-features := $(subst none+,,$(arch-features))
march-directive := $(march-directive)+$(arch-features)
# Print features
$(info Arm Architecture Features specified: $(subst +, ,$(arch-features)))
endif #(arch-features)
ifneq ($(findstring clang,$(notdir $(CC))),)
ifneq ($(findstring armclang,$(notdir $(CC))),)
TF_CFLAGS_aarch32 := -target arm-arm-none-eabi
TF_CFLAGS_aarch64 := -target aarch64-arm-none-eabi
LD := $(LINKER)
else
TF_CFLAGS_aarch32 = $(target32-directive)
TF_CFLAGS_aarch64 := -target aarch64-elf
LD := $(shell $(CC) --print-prog-name ld.lld)
AR := $(shell $(CC) --print-prog-name llvm-ar)
OD := $(shell $(CC) --print-prog-name llvm-objdump)
OC := $(shell $(CC) --print-prog-name llvm-objcopy)
endif
CPP := $(CC) -E $(TF_CFLAGS_$(ARCH))
PP := $(CC) -E $(TF_CFLAGS_$(ARCH))
AS := $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH))
else ifneq ($(findstring gcc,$(notdir $(CC))),)
ifeq ($(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
LD = $(LINKER)
endif #(clang)
# Process Debug flag
$(eval $(call add_define,DEBUG))
ifneq (${DEBUG}, 0)
BUILD_TYPE := debug
TF_CFLAGS += -g -gdwarf-4
ASFLAGS += -g -Wa,-gdwarf-4
# 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 #(Debug)
# 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}(${BUILD_TYPE}):${BUILD_STRING}
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 ${AARCH32_INSTRUCTION_SET})
endif #(AARCH32_INSTRUCTION_SET)
TF_CFLAGS_aarch32 += -mno-unaligned-access
TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align
ifneq (${BP_OPTION},none)
TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION}
endif #(BP_OPTION)
ASFLAGS += $(march-directive)
##############################################################################
# WARNINGS Configuration
###############################################################################
# General warnings
WARNINGS := -Wall -Wmissing-include-dirs -Wunused \
-Wdisabled-optimization -Wvla -Wshadow \
-Wredundant-decls
# stricter warnings
WARNINGS += -Wextra -Wno-trigraphs
# too verbose for generic build
WARNINGS += -Wno-missing-field-initializers \
-Wno-type-limits -Wno-sign-compare \
# on clang this flag gets reset if -Wextra is set after it. No difference on gcc
WARNINGS += -Wno-unused-parameter
# Additional warnings
# Level 1 - infrequent warnings we should have none of
# full -Wextra
WARNING1 += -Wsign-compare
WARNING1 += -Wtype-limits
WARNING1 += -Wmissing-field-initializers
# Level 2 - problematic warnings that we want
# zlib, compiler-rt, coreboot, and mbdedtls blow up with these
# TODO: disable just for them and move into default build
WARNING2 += -Wold-style-definition
WARNING2 += -Wmissing-prototypes
WARNING2 += -Wmissing-format-attribute
# TF-A aims to comply with this eventually. Effort too large at present
WARNING2 += -Wundef
# currently very involved and many platforms set this off
WARNING2 += -Wunused-const-variable=2
# Level 3 - very pedantic, frequently ignored
WARNING3 := -Wbad-function-cast
WARNING3 += -Waggregate-return
WARNING3 += -Wnested-externs
WARNING3 += -Wcast-align
WARNING3 += -Wcast-qual
WARNING3 += -Wconversion
WARNING3 += -Wpacked
WARNING3 += -Wpointer-arith
WARNING3 += -Wswitch-default
# Setting W is quite verbose and most warnings will be pre-existing issues
# outside of the contributor's control. Don't fail the build on them so warnings
# can be seen and hopefully addressed
ifdef W
ifneq (${W},0)
E ?= 0
endif
endif
ifeq (${W},1)
WARNINGS += $(WARNING1)
else ifeq (${W},2)
WARNINGS += $(WARNING1) $(WARNING2)
else ifeq (${W},3)
WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3)
endif #(W)
# Compiler specific warnings
ifeq ($(findstring clang,$(notdir $(CC))),)
# not using clang
WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \
-Wpacked-bitfield-compat -Wshift-overflow=2 \
-Wlogical-op
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
TF_CFLAGS += $(call cc_option, --param=min-pagesize=0)
else
# using clang
WARNINGS += -Wshift-overflow -Wshift-sign-overflow \
-Wlogical-op-parentheses
endif #(Clang Warning)
ifneq (${E},0)
ERRORS := -Werror
endif #(E)
################################################################################
# Compiler and Linker Directives
################################################################################
CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \
$(ERRORS) $(WARNINGS)
ASFLAGS += $(CPPFLAGS) \
-ffreestanding -Wa,--fatal-warnings
TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \
-ffunction-sections -fdata-sections \
-ffreestanding -fno-builtin -fno-common \
-Os -std=gnu99
ifeq (${SANITIZE_UB},on)
TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover
endif #(${SANITIZE_UB},on)
ifeq (${SANITIZE_UB},trap)
TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \
-fsanitize-undefined-trap-on-error
endif #(${SANITIZE_UB},trap)
GCC_V_OUTPUT := $(shell $(CC) -v 2>&1)
TF_LDFLAGS += -z noexecstack
# LD = armlink
ifneq ($(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 $(LD))),)
# Pass ld options with Wl or Xlinker switches
TF_LDFLAGS += -Wl,--fatal-warnings -O1
TF_LDFLAGS += -Wl,--gc-sections
TF_LDFLAGS += -Wl,-z,common-page-size=4096 #Configure page size constants
TF_LDFLAGS += -Wl,-z,max-page-size=4096
ifeq ($(ENABLE_LTO),1)
ifeq (${ARCH},aarch64)
TF_LDFLAGS += -flto -fuse-linker-plugin
endif
endif #(ENABLE_LTO)
# GCC automatically adds fix-cortex-a53-843419 flag when used to link
# which breaks some builds, so disable if errata fix is not explicitly enabled
ifneq (${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
# With ld.bfd version 2.39 and newer new warnings are added. Skip those since we
# are not loaded by a elf loader.
TF_LDFLAGS += $(call ld_option, --no-warn-rwx-segments)
TF_LDFLAGS += -O1
TF_LDFLAGS += --gc-sections
TF_LDFLAGS += -z common-page-size=4096 # Configure page size constants
TF_LDFLAGS += -z max-page-size=4096
# ld.lld doesn't recognize the errata flags,
# therefore don't add those in that case.
# ld.lld reports section type mismatch warnings,
# therefore don't add --fatal-warnings to it.
ifeq ($(findstring ld.lld,$(notdir $(LD))),)
TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) --fatal-warnings
endif
endif #(LD = armlink)
DTC_FLAGS += -I dts -O dtb
DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \
-x assembler-with-cpp $(DEFINES)
################################################################################
# Common sources and include directories
################################################################################
include ${MAKE_HELPERS_DIRECTORY}arch_features.mk
include lib/compiler-rt/compiler-rt.mk
BL_COMMON_SOURCES += common/bl_common.c \
common/tf_log.c \
common/${ARCH}/debug.S \
drivers/console/multi_console.c \
lib/${ARCH}/cache_helpers.S \
lib/${ARCH}/misc_helpers.S \
lib/extensions/pmuv3/${ARCH}/pmuv3.c \
plat/common/plat_bl_common.c \
plat/common/plat_log_common.c \
plat/common/${ARCH}/plat_common.c \
plat/common/${ARCH}/platform_helpers.S \
${COMPILER_RT_SRCS}
# Pointer Authentication sources
ifeq (${ENABLE_PAUTH}, 1)
# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
# Pauth support. As it's not secure, it must be reimplemented for real platforms
BL_COMMON_SOURCES += lib/extensions/pauth/pauth_helpers.S
endif
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 ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
ifeq (${BUILD_BASE},)
BUILD_BASE := ./build
endif
BUILD_PLAT := $(abspath ${BUILD_BASE})/${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
ifeq ($(SPMD_SPM_AT_SEL2),1)
CTX_INCLUDE_EL2_REGS := 1
ifeq ($(SPMC_AT_EL3),1)
$(error SPM cannot be enabled in both S-EL2 and EL3.)
endif
endif
ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp)
DTC_CPPFLAGS += -DOPTEE_SP_FW_CONFIG
endif
ifeq ($(TS_SP_FW_CONFIG),1)
DTC_CPPFLAGS += -DTS_SP_FW_CONFIG
endif
ifneq ($(ARM_BL2_SP_LIST_DTS),)
DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS)
endif
ifneq ($(SP_LAYOUT_FILE),)
BL2_ENABLE_SP_LOAD := 1
endif
else
# All other SPDs in spd directory
SPD_DIR := spd
endif #(SPD)
# 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 ${SPD_MAKE}
# If there's BL32 companion for the chosen SPD, we expect that the SPD's
# Makefile would set NEED_BL32 to "yes". In this case, the build system
# supports two mutually exclusive options:
# * BL32 is built from source: then BL32_SOURCES must contain the list
# of source files to build BL32
# * BL32 is a prebuilt binary: then BL32 must point to the image file
# that will be included in the FIP
# If both BL32_SOURCES and BL32 are defined, the binary takes precedence
# over the sources.
endif #(SPD=none)
ifeq (${ENABLE_SPMD_LP}, 1)
ifneq (${SPD},spmd)
$(error Error: ENABLE_SPMD_LP requires SPD=spmd.)
endif
ifeq ($(SPMC_AT_EL3),1)
$(error SPMC at EL3 not supported when enabling SPMD Logical partitions.)
endif
endif
ifeq (${CTX_INCLUDE_EL2_REGS}, 1)
ifeq (${SPD},none)
ifeq (${ENABLE_RME},0)
$(error CTX_INCLUDE_EL2_REGS is available only when SPD \
or RME is enabled)
endif
endif
endif
################################################################################
# Include rmmd Makefile if RME is enabled
################################################################################
ifneq (${ENABLE_RME},0)
ifneq (${ARCH},aarch64)
$(error ENABLE_RME requires AArch64)
endif
ifeq ($(SPMC_AT_EL3),1)
$(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
endif
ifneq (${SPD}, none)
ifneq (${SPD}, spmd)
$(error ENABLE_RME is incompatible with SPD=${SPD}. Use SPD=spmd)
endif
endif
include services/std_svc/rmmd/rmmd.mk
$(warning "RME is an experimental feature")
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}
################################################################################
# Platform specific Makefile might provide us ARCH_MAJOR/MINOR use that to come
# up with appropriate march values for compiler.
################################################################################
include ${MAKE_HELPERS_DIRECTORY}march.mk
TF_CFLAGS += $(march-directive)
# This internal flag is common option which is set to 1 for scenarios
# when the BL2 is running in EL3 level. This occurs in two scenarios -
# 4 world system running BL2 at EL3 and two world system without BL1 running
# BL2 in EL3
ifeq (${RESET_TO_BL2},1)
BL2_RUNS_AT_EL3 := 1
ifeq (${ENABLE_RME},1)
$(error RESET_TO_BL2=1 and ENABLE_RME=1 configuration is not \
supported at the moment.)
endif
else ifeq (${ENABLE_RME},1)
BL2_RUNS_AT_EL3 := 1
else
BL2_RUNS_AT_EL3 := 0
endif
$(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 ($(PIE_FOUND),)
TF_CFLAGS += -fno-PIE
ifneq ($(findstring gcc,$(notdir $(LD))),)
TF_LDFLAGS += -no-pie
endif
endif #(PIE_FOUND)
ifneq ($(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 ($(RESET_TO_BL2),1)
ifneq ($(BL2_IN_XIP_MEM),1)
BL2_CPPFLAGS += -fpie
BL2_CFLAGS += -fpie
BL2_LDFLAGS += $(PIE_LDFLAGS)
endif #(BL2_IN_XIP_MEM)
endif #(RESET_TO_BL2)
BL31_CPPFLAGS += -fpie
BL31_CFLAGS += -fpie
BL31_LDFLAGS += $(PIE_LDFLAGS)
BL32_CPPFLAGS += -fpie
BL32_CFLAGS += -fpie
BL32_LDFLAGS += $(PIE_LDFLAGS)
endif #(ENABLE_PIE)
BL1_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
BL31_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
BL32_CPPFLAGS += -DREPORT_ERRATA=${DEBUG}
BL1_CPPFLAGS += -DIMAGE_AT_EL3
ifeq ($(RESET_TO_BL2),1)
BL2_CPPFLAGS += -DIMAGE_AT_EL3
else
BL2_CPPFLAGS += -DIMAGE_AT_EL1
endif #(RESET_TO_BL2)
ifeq (${ARCH},aarch64)
BL2U_CPPFLAGS += -DIMAGE_AT_EL1
BL31_CPPFLAGS += -DIMAGE_AT_EL3
BL32_CPPFLAGS += -DIMAGE_AT_EL1
else
BL32_CPPFLAGS += -DIMAGE_AT_EL3
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
################################################################################
# Build `AARCH32_SP` as BL32 image for AArch32
################################################################################
ifeq (${ARCH},aarch32)
NEED_BL32 := yes
ifneq (${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 ${AARCH32_SP_MAKE}
endif
endif #(ARCH=aarch32)
################################################################################
# Include libc if not overridden
################################################################################
ifeq (${OVERRIDE_LIBC},0)
include lib/libc/libc.mk
endif
################################################################################
# Check incompatible options and dependencies
################################################################################
# USE_DEBUGFS experimental feature recommended only in debug builds
ifeq (${USE_DEBUGFS},1)
ifeq (${DEBUG},1)
$(warning DEBUGFS experimental feature is enabled.)
else
$(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
endif
endif #(USE_DEBUGFS)
# USE_SPINLOCK_CAS requires AArch64 build
ifeq (${USE_SPINLOCK_CAS},1)
ifneq (${ARCH},aarch64)
$(error USE_SPINLOCK_CAS requires AArch64)
endif
endif #(USE_SPINLOCK_CAS)
# The cert_create tool cannot generate certificates individually, so we use the
# target 'certificates' to create them all
ifneq (${GENERATE_COT},0)
FIP_DEPS += certificates
FWU_FIP_DEPS += fwu_certificates
endif
ifneq (${DECRYPTION_SUPPORT},none)
ENC_ARGS += -f ${FW_ENC_STATUS}
ENC_ARGS += -k ${ENC_KEY}
ENC_ARGS += -n ${ENC_NONCE}
FIP_DEPS += enctool
FWU_FIP_DEPS += enctool
endif #(DECRYPTION_SUPPORT)
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)
$(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are \
incompatible \ build options.")
endif
endif #(EL3_PAYLOAD_BASE)
ifeq (${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
$(warning "BL33 image is not needed when option \
PRELOADED_BL33_BASE is used and won't be added to the FIP file.")
endif
endif #(NEED_BL33)
# When building for systems with hardware-assisted coherency, there's no need to
# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1)
$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY)
endif
#For now, BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is 1.
ifeq ($(RESET_TO_BL2)-$(BL2_IN_XIP_MEM),0-1)
$(error "BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is enabled")
endif
# RAS_EXTENSION is deprecated, provide alternate build options
ifeq ($(RAS_EXTENSION),1)
$(error "RAS_EXTENSION is now deprecated, please use ENABLE_FEAT_RAS \
and RAS_FFH_SUPPORT instead")
endif
# RAS firmware first handling requires that EAs are handled in EL3 first
ifeq ($(RAS_FFH_SUPPORT),1)
ifneq ($(ENABLE_FEAT_RAS),1)
$(error For RAS_FFH_SUPPORT, ENABLE_FEAT_RAS must also be 1)
endif
ifneq ($(HANDLE_EA_EL3_FIRST_NS),1)
$(error For RAS_FFH_SUPPORT, HANDLE_EA_EL3_FIRST_NS must also be 1)
endif
endif #(RAS_FFH_SUPPORT)
# When FAULT_INJECTION_SUPPORT is used, require that FEAT_RAS is enabled
ifeq ($(FAULT_INJECTION_SUPPORT),1)
ifeq ($(ENABLE_FEAT_RAS),0)
$(error For FAULT_INJECTION_SUPPORT, ENABLE_FEAT_RAS must not be 0)
endif
endif #(FAULT_INJECTION_SUPPORT)
# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1
ifeq ($(DYN_DISABLE_AUTH), 1)
ifeq (${TRUSTED_BOARD_BOOT}, 0)
$(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH \
to be set.")
endif
endif #(DYN_DISABLE_AUTH)
ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1)
# Support authentication verification and hash calculation
CRYPTO_SUPPORT := 3
else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1)
# Support authentication verification and hash calculation
CRYPTO_SUPPORT := 3
else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),)
# Support hash calculation only
CRYPTO_SUPPORT := 2
else ifeq (${TRUSTED_BOARD_BOOT},1)
# Support authentication verification only
CRYPTO_SUPPORT := 1
else
CRYPTO_SUPPORT := 0
endif #($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT))
# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled")
endif
# If pointer authentication is used in the firmware, make sure that all the
# registers associated to it are also saved and restored.
# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
ifeq ($(ENABLE_PAUTH),1)
ifeq ($(CTX_INCLUDE_PAUTH_REGS),0)
$(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
endif
endif #(ENABLE_PAUTH)
ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
ifneq (${ARCH},aarch64)
$(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
endif
endif #(CTX_INCLUDE_PAUTH_REGS)
ifeq ($(CTX_INCLUDE_MTE_REGS),1)
ifneq (${ARCH},aarch64)
$(error CTX_INCLUDE_MTE_REGS requires AArch64)
endif
endif #(CTX_INCLUDE_MTE_REGS)
ifeq ($(PSA_FWU_SUPPORT),1)
$(info PSA_FWU_SUPPORT is an experimental feature)
endif #(PSA_FWU_SUPPORT)
ifeq ($(FEATURE_DETECTION),1)
$(info FEATURE_DETECTION is an experimental feature)
endif #(FEATURE_DETECTION)
ifneq ($(ENABLE_SME2_FOR_NS), 0)
ifeq (${ENABLE_SME_FOR_NS}, 0)
$(warning "ENABLE_SME2_FOR_NS requires ENABLE_SME_FOR_NS also \
to be set")
$(warning "Forced ENABLE_SME_FOR_NS=1")
override ENABLE_SME_FOR_NS := 1
endif
endif #(ENABLE_SME2_FOR_NS)
ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
$(error "ALLOW_RO_XLAT_TABLES requires translation tables \
library v2")
endif
endif #(ARM_XLAT_TABLES_LIB_V1)
ifneq (${DECRYPTION_SUPPORT},none)
ifeq (${TRUSTED_BOARD_BOOT}, 0)
$(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT \
to be set)
endif
endif #(DECRYPTION_SUPPORT)
# Ensure that no Aarch64-only features are enabled in Aarch32 build
ifeq (${ARCH},aarch32)
# SME/SVE only supported on AArch64
ifneq (${ENABLE_SME_FOR_NS},0)
$(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
endif
ifeq (${ENABLE_SVE_FOR_NS},1)
# Warning instead of error due to CI dependency on this
$(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32")
endif
# BRBE is not supported in AArch32
ifeq (${ENABLE_BRBE_FOR_NS},1)
$(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32")
endif
# FEAT_RNG_TRAP is not supported in AArch32
ifeq (${ENABLE_FEAT_RNG_TRAP},1)
$(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
endif
endif #(ARCH=aarch32)
# Ensure ENABLE_RME is not used with SME
ifeq (${ENABLE_RME},1)
ifneq (${ENABLE_SME_FOR_NS},0)
$(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME")
endif
endif
ifneq (${ENABLE_SME_FOR_NS},0)
ifeq (${ENABLE_SVE_FOR_NS},0)
$(error "ENABLE_SME_FOR_NS requires ENABLE_SVE_FOR_NS")
endif
endif #(ENABLE_SME_FOR_NS)
# Secure SME/SVE requires the non-secure component as well
ifeq (${ENABLE_SME_FOR_SWD},1)
ifeq (${ENABLE_SME_FOR_NS},0)
$(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
endif