Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1594 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..1ddb7b8
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,1594 @@
+#
+# Copyright (c) 2013-2022, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+#
+# Trusted Firmware Version
+#
+VERSION_MAJOR			:= 2
+VERSION_MINOR			:= 8
+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:=$(ECHO_QUIET)
+endif
+
+export Q ECHO
+
+# The cert_create tool cannot generate certificates individually, so we use the
+# target 'certificates' to create them all
+ifneq (${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 ifeq (${BRANCH_PROTECTION},4)
+	# Turn on branch target identification mechanism
+	BP_OPTION := bti
+	ENABLE_BTI := 1
+else
+        $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
+endif
+
+# FEAT_RME
+ifeq (${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)
+        $(error ENABLE_RME requires AArch64)
+endif
+# RME requires el2 context to be saved for now.
+CTX_INCLUDE_EL2_REGS := 1
+CTX_INCLUDE_AARCH32_REGS := 0
+ARM_ARCH_MAJOR := 8
+ARM_ARCH_MINOR := 5
+ENABLE_FEAT_ECV = 1
+ENABLE_FEAT_FGT = 1
+
+endif
+
+# USE_SPINLOCK_CAS requires AArch64 build
+ifeq (${USE_SPINLOCK_CAS},1)
+ifneq (${ARCH},aarch64)
+        $(error USE_SPINLOCK_CAS requires AArch64)
+endif
+endif
+
+# USE_DEBUGFS experimental feature recommended only in debug builds
+ifeq (${USE_DEBUGFS},1)
+ifeq (${DEBUG},1)
+        $(warning DEBUGFS experimental feature is enabled.)
+else
+        $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY)
+endif
+endif
+
+ifneq (${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
+
+################################################################################
+# 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_MAJOR ARM_ARCH_MINOR options
+ifeq (${ARM_ARCH_MINOR},0)
+march32-directive	= 	-march=armv${ARM_ARCH_MAJOR}-a
+march64-directive	= 	-march=armv${ARM_ARCH_MAJOR}-a
+else
+march32-directive	= 	-march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a
+march64-directive	= 	-march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a
+endif
+endif
+
+# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards
+ifeq ($(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
+
+# Get architecture feature modifiers
+arch-features		=	${ARM_ARCH_FEATURE}
+
+# Enable required options for memory stack tagging.
+# Currently, these options are enabled only for clang and armclang compiler.
+ifeq (${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 $(CC)),clang)
+TF_CFLAGS		+=	-fsanitize=memtag
+endif	# armclang
+endif	# armclang clang
+else
+$(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))
+ifeq ($(ARCH), aarch32)
+march32-directive	:=	$(march32-directive)+$(arch-features)
+else
+march64-directive	:=	$(march64-directive)+$(arch-features)
+endif
+# Print features
+$(info Arm Architecture Features specified: $(subst +, ,$(arch-features)))
+endif	# arch-features
+
+# Determine if FEAT_RNG is supported
+ENABLE_FEAT_RNG		=	$(if $(findstring rng,${arch-features}),1,0)
+
+# Determine if FEAT_SB is supported
+ENABLE_FEAT_SB		=	$(if $(findstring sb,${arch-features}),1,0)
+
+ifneq ($(findstring clang,$(notdir $(CC))),)
+	ifneq ($(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)
+	else
+		TF_CFLAGS_aarch32	=	$(target32-directive) $(march32-directive)
+		TF_CFLAGS_aarch64	:=	-target aarch64-elf $(march64-directive)
+		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))),)
+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			=	$(LINKER)
+endif
+
+# Process Debug flag
+$(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
+
+# 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 ${AARCH32_INSTRUCTION_SET})
+endif
+
+TF_CFLAGS_aarch32	+=	-mno-unaligned-access
+TF_CFLAGS_aarch64	+=	-mgeneral-regs-only -mstrict-align
+
+ifneq (${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
+
+$(eval $(call add_define,SVE_VECTOR_LEN))
+
+ifeq (${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 $(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		\
+				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 ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
+
+ifeq (${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 ($(SPMD_SPM_AT_SEL2),1)
+            ifeq ($(CTX_INCLUDE_EL2_REGS),0)
+                $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option)
+            endif
+	    ifeq ($(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
+
+    # 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 ${SPD_MAKE}
+
+    # If there's BL32 companion for the chosen SPD, we expect that the SPD's
+    # Makefile would set NEED_BL32 to "yes". In this case, the build system
+    # supports two mutually exclusive options:
+    # * BL32 is built from source: then BL32_SOURCES must contain the list
+    #   of source files to build BL32
+    # * BL32 is a prebuilt binary: then BL32 must point to the image file
+    #   that will be included in the FIP
+    # If both BL32_SOURCES and BL32 are defined, the binary takes precedence
+    # over the sources.
+endif
+
+################################################################################
+# Include rmmd Makefile if RME is enabled
+################################################################################
+
+ifneq (${ENABLE_RME},0)
+ifneq (${ARCH},aarch64)
+	$(error ENABLE_RME requires AArch64)
+endif
+ifeq ($(SPMC_AT_EL3),1)
+	$(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.)
+endif
+include services/std_svc/rmmd/rmmd.mk
+$(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 ${PLAT_MAKEFILE_FULL}
+
+$(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 $(LD))),)
+	TF_LDFLAGS	+=	-no-pie
+endif
+endif
+
+ifneq ($(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)
+	BL32_CFLAGS	+=	-fpie
+	BL32_LDFLAGS	+=	$(PIE_LDFLAGS)
+endif
+
+ifeq (${ARCH},aarch64)
+BL1_CPPFLAGS += -DIMAGE_AT_EL3
+ifeq ($(BL2_AT_EL3),1)
+BL2_CPPFLAGS += -DIMAGE_AT_EL3
+else
+BL2_CPPFLAGS += -DIMAGE_AT_EL1
+endif
+BL2U_CPPFLAGS += -DIMAGE_AT_EL1
+BL31_CPPFLAGS += -DIMAGE_AT_EL3
+BL32_CPPFLAGS += -DIMAGE_AT_EL1
+endif
+
+# Include the CPU specific operations makefile, which provides default
+# values for all CPU errata workarounds and CPU specific optimisations.
+# This can be overridden by the platform.
+include lib/cpus/cpu-ops.mk
+
+ifeq (${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_NS),1)
+        $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST_NS must also be 1)
+    endif
+endif
+
+# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled
+ifeq ($(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)
+        $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.")
+    endif
+endif
+
+ifeq ($(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
+
+# 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)
+        $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1)
+    endif
+endif
+
+ifeq ($(CTX_INCLUDE_PAUTH_REGS),1)
+    ifneq (${ARCH},aarch64)
+        $(error CTX_INCLUDE_PAUTH_REGS requires AArch64)
+    endif
+endif
+
+ifeq ($(CTX_INCLUDE_MTE_REGS),1)
+    ifneq (${ARCH},aarch64)
+        $(error CTX_INCLUDE_MTE_REGS requires AArch64)
+    endif
+endif
+
+ifeq ($(PSA_FWU_SUPPORT),1)
+    $(info PSA_FWU_SUPPORT is an experimental feature)
+endif
+
+ifeq ($(FEATURE_DETECTION),1)
+    $(info FEATURE_DETECTION is an experimental feature)
+endif
+
+ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
+    ifeq (${ALLOW_RO_XLAT_TABLES}, 1)
+        $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2")
+    endif
+endif
+
+ifneq (${DECRYPTION_SUPPORT},none)
+    ifeq (${TRUSTED_BOARD_BOOT}, 0)
+        $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set)
+    endif
+endif
+
+# Ensure that no Aarch64-only features are enabled in Aarch32 build
+ifeq (${ARCH},aarch32)
+
+    # SME/SVE only supported on AArch64
+    ifeq (${ENABLE_SME_FOR_NS},1)
+        $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32")
+    endif
+    ifeq (${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)
+        $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32")
+    endif
+endif
+
+# Ensure ENABLE_RME is not used with SME
+ifeq (${ENABLE_RME},1)
+    ifeq (${ENABLE_SME_FOR_NS},1)
+        $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME")
+    endif
+endif
+
+# Secure SME/SVE requires the non-secure component as well
+ifeq (${ENABLE_SME_FOR_SWD},1)
+    ifeq (${ENABLE_SME_FOR_NS},0)
+        $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS")
+    endif
+endif
+ifeq (${ENABLE_SVE_FOR_SWD},1)
+    ifeq (${ENABLE_SVE_FOR_NS},0)
+        $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS")
+    endif
+endif
+
+# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does
+# its own context management including FPU registers.
+ifeq (${CTX_INCLUDE_FPREGS},1)
+    ifeq (${ENABLE_SME_FOR_NS},1)
+        $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
+    endif
+    ifeq (${ENABLE_SVE_FOR_NS},1)
+        # Warning instead of error due to CI dependency on this
+        $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS")
+        $(warning "Forced ENABLE_SVE_FOR_NS=0")
+        override ENABLE_SVE_FOR_NS	:= 0
+    endif
+endif
+
+ifeq ($(DRTM_SUPPORT),1)
+    $(info DRTM_SUPPORT is an experimental feature)
+endif
+
+ifeq (${ENABLE_RME},1)
+    ifneq (${SEPARATE_CODE_AND_RODATA},1)
+        $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`)
+    endif
+endif
+
+################################################################################
+# Process platform overrideable behaviour
+################################################################################
+
+ifdef BL1_SOURCES
+NEED_BL1 := yes
+endif
+
+ifdef BL2_SOURCES
+	NEED_BL2 := yes
+
+	# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and
+	# Certificate generation tools. This flag can be overridden by the platform.
+	ifdef EL3_PAYLOAD_BASE
+                # If booting an EL3 payload there is no need for a BL33 image
+                # in the FIP file.
+                NEED_BL33		:=	no
+        else
+                ifdef PRELOADED_BL33_BASE
+                        # If booting a BL33 preloaded image there is no need of
+                        # another one in the FIP file.
+                        NEED_BL33		:=	no
+                else
+                        NEED_BL33		?=	yes
+                endif
+        endif
+endif
+
+ifdef BL2U_SOURCES
+NEED_BL2U := yes
+endif
+
+# If SCP_BL2 is given, we always want FIP to include it.
+ifdef SCP_BL2
+        NEED_SCP_BL2		:=	yes
+endif
+
+# For AArch32, BL31 is not currently supported.
+ifneq (${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
+
+ifdef FDT_SOURCES
+NEED_FDT := yes
+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 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
+
+# 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		?=	${PRINT_MEMORY_MAP_PATH}/print_memory_map.py
+
+# Variables for use with documentation build using Sphinx tool
+DOCS_PATH		?=	docs
+
+# Defination of SIMICS flag
+SIMICS_BUILD	?=	0
+
+################################################################################
+# Include BL specific makefiles
+################################################################################
+
+ifeq (${NEED_BL1},yes)
+include bl1/bl1.mk
+endif
+
+ifeq (${NEED_BL2},yes)
+include bl2/bl2.mk
+endif
+
+ifeq (${NEED_BL2U},yes)
+include bl2u/bl2u.mk
+endif
+
+ifeq (${NEED_BL31},yes)
+include bl31/bl31.mk
+endif
+
+################################################################################
+# Build options checks
+################################################################################
+
+$(eval $(call assert_booleans,\
+    $(sort \
+        ALLOW_RO_XLAT_TABLES \
+        BL2_ENABLE_SP_LOAD \
+        COLD_BOOT_SINGLE_CPU \
+        CREATE_KEYS \
+        CTX_INCLUDE_AARCH32_REGS \
+        CTX_INCLUDE_FPREGS \
+        CTX_INCLUDE_EL2_REGS \
+        DEBUG \
+        DISABLE_MTPMU \
+        DYN_DISABLE_AUTH \
+        EL3_EXCEPTION_HANDLING \
+        ENABLE_AMU \
+        ENABLE_AMU_AUXILIARY_COUNTERS \
+        ENABLE_AMU_FCONF \
+        AMU_RESTRICT_COUNTERS \
+        ENABLE_ASSERTIONS \
+        ENABLE_PIE \
+        ENABLE_PMF \
+        ENABLE_PSCI_STAT \
+        ENABLE_RUNTIME_INSTRUMENTATION \
+        ENABLE_SME_FOR_NS \
+        ENABLE_SME_FOR_SWD \
+        ENABLE_SPE_FOR_LOWER_ELS \
+        ENABLE_SVE_FOR_NS \
+        ENABLE_SVE_FOR_SWD \
+        ERROR_DEPRECATED \
+        FAULT_INJECTION_SUPPORT \
+        GENERATE_COT \
+        GICV2_G0_FOR_EL3 \
+        HANDLE_EA_EL3_FIRST_NS \
+        HW_ASSISTED_COHERENCY \
+        INVERTED_MEMMAP \
+        MEASURED_BOOT \
+        DRTM_SUPPORT \
+        NS_TIMER_SWITCH \
+        OVERRIDE_LIBC \
+        PL011_GENERIC_UART \
+        PLAT_RSS_NOT_SUPPORTED \
+        PROGRAMMABLE_RESET_ADDRESS \
+        PSCI_EXTENDED_STATE_ID \
+        RESET_TO_BL31 \
+        RESET_TO_BL31_WITH_PARAMS \
+        SAVE_KEYS \
+        SEPARATE_CODE_AND_RODATA \
+        SEPARATE_BL2_NOLOAD_REGION \
+        SEPARATE_NOBITS_REGION \
+        SPIN_ON_BL1_EXIT \
+        SPM_MM \
+        SPMC_AT_EL3 \
+        SPMD_SPM_AT_SEL2 \
+        TRUSTED_BOARD_BOOT \
+        USE_COHERENT_MEM \
+        USE_DEBUGFS \
+        ARM_IO_IN_DTB \
+        SDEI_IN_FCONF \
+        SEC_INT_DESC_IN_FCONF \
+        USE_ROMLIB \
+        USE_TBBR_DEFS \
+        WARMBOOT_ENABLE_DCACHE_EARLY \
+        BL2_AT_EL3 \
+        BL2_IN_XIP_MEM \
+        BL2_INV_DCACHE \
+        USE_SPINLOCK_CAS \
+        ENCRYPT_BL31 \
+        ENCRYPT_BL32 \
+        ERRATA_SPECULATIVE_AT \
+        RAS_TRAP_NS_ERR_REC_ACCESS \
+        COT_DESC_IN_DTB \
+        USE_SP804_TIMER \
+        PSA_FWU_SUPPORT \
+        ENABLE_SYS_REG_TRACE_FOR_NS \
+        ENABLE_MPMM \
+        ENABLE_MPMM_FCONF \
+        SIMICS_BUILD \
+        FEATURE_DETECTION \
+	TRNG_SUPPORT \
+	CONDITIONAL_CMO \
+)))
+
+$(eval $(call assert_numerics,\
+    $(sort \
+        ARM_ARCH_MAJOR \
+        ARM_ARCH_MINOR \
+        BRANCH_PROTECTION \
+        CTX_INCLUDE_PAUTH_REGS \
+        CTX_INCLUDE_MTE_REGS \
+        CTX_INCLUDE_NEVE_REGS \
+        CRYPTO_SUPPORT \
+        ENABLE_BRBE_FOR_NS \
+        ENABLE_TRBE_FOR_NS \
+        ENABLE_BTI \
+        ENABLE_PAUTH \
+        ENABLE_FEAT_AMUv1 \
+        ENABLE_FEAT_AMUv1p1 \
+        ENABLE_FEAT_CSV2_2 \
+        ENABLE_FEAT_DIT \
+        ENABLE_FEAT_ECV \
+        ENABLE_FEAT_FGT \
+        ENABLE_FEAT_HCX \
+        ENABLE_FEAT_PAN \
+        ENABLE_FEAT_RNG \
+        ENABLE_FEAT_RNG_TRAP \
+        ENABLE_FEAT_SB \
+        ENABLE_FEAT_SEL2 \
+        ENABLE_FEAT_VHE \
+        ENABLE_MPAM_FOR_LOWER_ELS \
+        ENABLE_RME \
+        ENABLE_TRF_FOR_NS \
+        FW_ENC_STATUS \
+        NR_OF_FW_BANKS \
+        NR_OF_IMAGES_IN_FW_BANK \
+        RAS_EXTENSION \
+        TWED_DELAY \
+        ENABLE_FEAT_TWED \
+        SVE_VECTOR_LEN \
+)))
+
+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_defines,\
+    $(sort \
+        ALLOW_RO_XLAT_TABLES \
+        ARM_ARCH_MAJOR \
+        ARM_ARCH_MINOR \
+        BL2_ENABLE_SP_LOAD \
+        COLD_BOOT_SINGLE_CPU \
+        CTX_INCLUDE_AARCH32_REGS \
+        CTX_INCLUDE_FPREGS \
+        CTX_INCLUDE_PAUTH_REGS \
+        EL3_EXCEPTION_HANDLING \
+        CTX_INCLUDE_MTE_REGS \
+        CTX_INCLUDE_EL2_REGS \
+        CTX_INCLUDE_NEVE_REGS \
+        DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \
+        DISABLE_MTPMU \
+        ENABLE_AMU \
+        ENABLE_AMU_AUXILIARY_COUNTERS \
+        ENABLE_AMU_FCONF \
+        AMU_RESTRICT_COUNTERS \
+        ENABLE_ASSERTIONS \
+        ENABLE_BTI \
+        ENABLE_MPAM_FOR_LOWER_ELS \
+        ENABLE_PAUTH \
+        ENABLE_PIE \
+        ENABLE_PMF \
+        ENABLE_PSCI_STAT \
+        ENABLE_RME \
+        ENABLE_RUNTIME_INSTRUMENTATION \
+        ENABLE_SME_FOR_NS \
+        ENABLE_SME_FOR_SWD \
+        ENABLE_SPE_FOR_LOWER_ELS \
+        ENABLE_SVE_FOR_NS \
+        ENABLE_SVE_FOR_SWD \
+        ENCRYPT_BL31 \
+        ENCRYPT_BL32 \
+        ERROR_DEPRECATED \
+        FAULT_INJECTION_SUPPORT \
+        GICV2_G0_FOR_EL3 \
+        HANDLE_EA_EL3_FIRST_NS \
+        HW_ASSISTED_COHERENCY \
+        LOG_LEVEL \
+        MEASURED_BOOT \
+        DRTM_SUPPORT \
+        NS_TIMER_SWITCH \
+        PL011_GENERIC_UART \
+        PLAT_${PLAT} \
+        PLAT_RSS_NOT_SUPPORTED \
+        PROGRAMMABLE_RESET_ADDRESS \
+        PSCI_EXTENDED_STATE_ID \
+        RAS_EXTENSION \
+        RESET_TO_BL31 \
+        RESET_TO_BL31_WITH_PARAMS \
+        SEPARATE_CODE_AND_RODATA \
+        SEPARATE_BL2_NOLOAD_REGION \
+        SEPARATE_NOBITS_REGION \
+        RECLAIM_INIT_CODE \
+        SPD_${SPD} \
+        SPIN_ON_BL1_EXIT \
+        SPM_MM \
+        SPMC_AT_EL3 \
+        SPMD_SPM_AT_SEL2 \
+        TRUSTED_BOARD_BOOT \
+        CRYPTO_SUPPORT \
+        TRNG_SUPPORT \
+        USE_COHERENT_MEM \
+        USE_DEBUGFS \
+        ARM_IO_IN_DTB \
+        SDEI_IN_FCONF \
+        SEC_INT_DESC_IN_FCONF \
+        USE_ROMLIB \
+        USE_TBBR_DEFS \
+        WARMBOOT_ENABLE_DCACHE_EARLY \
+        BL2_AT_EL3 \
+        BL2_IN_XIP_MEM \
+        BL2_INV_DCACHE \
+        USE_SPINLOCK_CAS \
+        ERRATA_SPECULATIVE_AT \
+        RAS_TRAP_NS_ERR_REC_ACCESS \
+        COT_DESC_IN_DTB \
+        USE_SP804_TIMER \
+        ENABLE_FEAT_RNG \
+        ENABLE_FEAT_RNG_TRAP \
+        ENABLE_FEAT_SB \
+        ENABLE_FEAT_DIT \
+        NR_OF_FW_BANKS \
+        NR_OF_IMAGES_IN_FW_BANK \
+        PSA_FWU_SUPPORT \
+        ENABLE_BRBE_FOR_NS \
+        ENABLE_TRBE_FOR_NS \
+        ENABLE_SYS_REG_TRACE_FOR_NS \
+        ENABLE_TRF_FOR_NS \
+        ENABLE_FEAT_HCX \
+        ENABLE_MPMM \
+        ENABLE_MPMM_FCONF \
+        ENABLE_FEAT_FGT \
+        ENABLE_FEAT_AMUv1 \
+        ENABLE_FEAT_ECV \
+        SIMICS_BUILD \
+        ENABLE_FEAT_AMUv1p1 \
+        ENABLE_FEAT_SEL2 \
+        ENABLE_FEAT_VHE \
+        ENABLE_FEAT_CSV2_2 \
+        ENABLE_FEAT_PAN \
+        FEATURE_DETECTION \
+        TWED_DELAY \
+        ENABLE_FEAT_TWED \
+	CONDITIONAL_CMO \
+)))
+
+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 $(call add_define,USE_ARM_LINK))
+endif
+
+# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined
+ifeq (${SPD},spmd)
+ifdef SP_LAYOUT_FILE
+        -include $(BUILD_PLAT)/sp_gen.mk
+        FIP_DEPS += sp
+        CRT_DEPS += sp
+        NEED_SP_PKG := yes
+else
+        ifeq (${SPMD_SPM_AT_SEL2},1)
+            $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE")
+        endif
+endif
+endif
+
+################################################################################
+# Build targets
+################################################################################
+
+.PHONY:	all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool
+.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 $(CC))),)
+    CPPFLAGS		+= 	-Wno-error=deprecated-declarations
+else
+    CPPFLAGS		+= 	-Wno-error=deprecated-declarations -Wno-error=cpp
+endif
+endif # !ERROR_DEPRECATED
+
+$(eval $(call MAKE_LIB_DIRS))
+$(eval $(call MAKE_LIB,c))
+
+# Expand build macros for the different images
+ifeq (${NEED_BL1},yes)
+BL1_SOURCES := $(sort ${BL1_SOURCES})
+
+$(eval $(call MAKE_BL,bl1))
+endif
+
+ifeq (${NEED_BL2},yes)
+ifeq (${BL2_AT_EL3}, 0)
+FIP_BL2_ARGS := tb-fw
+endif
+
+BL2_SOURCES := $(sort ${BL2_SOURCES})
+
+$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\
+	$(eval $(call MAKE_BL,bl2,${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}
+# Sort BL31 source files to remove duplicates
+BL31_SOURCES := $(sort ${BL31_SOURCES})
+ifneq (${DECRYPTION_SUPPORT},none)
+$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\
+	$(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31))))
+else
+$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\
+	$(eval $(call MAKE_BL,bl31,soc-fw)))
+endif
+endif
+
+# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the
+# build system will call TOOL_ADD_IMG to print a warning message and abort the
+# process. Note that the dependency on BL32 applies to the FIP only.
+ifeq (${NEED_BL32},yes)
+# Sort BL32 source files to remove duplicates
+BL32_SOURCES := $(sort ${BL32_SOURCES})
+BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1))
+
+ifneq (${DECRYPTION_SUPPORT},none)
+$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\
+	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32))))
+else
+$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\
+	$(eval $(call TOOL_ADD_IMG,bl32,--tos-fw)))
+endif
+endif
+
+# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP)
+# needs to be built from RMM_SOURCES.
+ifeq (${NEED_RMM},yes)
+# Sort RMM source files to remove duplicates
+RMM_SOURCES := $(sort ${RMM_SOURCES})
+BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1))
+
+$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\
+         $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw)))
+endif
+
+# Add the BL33 image if required by the platform
+ifeq (${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 $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_)))
+endif
+
+# Expand build macros for the different images
+ifeq (${NEED_FDT},yes)
+    $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES)))
+endif
+
+# Add Secure Partition packages
+ifeq (${NEED_SP_PKG},yes)
+$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT}
+	${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT}
+sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS)
+	@${ECHO_BLANK_LINE}
+	@echo "Built SP Images successfully"
+	@${ECHO_BLANK_LINE}
+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})
+ifdef UNIX_MK
+	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
+else
+# Clear the MAKEFLAGS as we do not want
+# to pass the gnumake flags to nmake.
+	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean
+endif
+	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean
+	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} 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.*)
+ifdef UNIX_MK
+	${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean
+else
+# Clear the MAKEFLAGS as we do not want
+# to pass the gnumake flags to nmake.
+	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean
+endif
+	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean
+	${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean
+	${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean
+
+checkcodebase:		locate-checkpatch
+	@echo "  CHECKING STYLE"
+	@if test -d .git ; then						\
+		git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' |	\
+		while read GIT_FILE ;					\
+		do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ;	\
+		done ;							\
+	else								\
+		 find . -type f -not -iwholename "*.git*"		\
+		 -not -iwholename "*build*"				\
+		 -not -iwholename "*libfdt*"				\
+		 -not -iwholename "*libc*"				\
+		 -not -iwholename "*docs*"				\
+		 -not -iwholename "*.rst"				\
+		 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ;	\
+	fi
+
+checkpatch:		locate-checkpatch
+	@echo "  CHECKING STYLE"
+	@if test -n "${CHECKPATCH_OPTS}"; then				\
+		echo "    with ${CHECKPATCH_OPTS} option(s)";		\
+	fi
+	${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT});	\
+	for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`;	\
+	do								\
+		printf "\n[*] Checking style of '$$commit'\n\n";	\
+		git log --format=email "$$commit~..$$commit"		\
+			-- ${CHECK_PATHS} |				\
+			${CHECKPATCH} ${CHECKPATCH_OPTS} - || true;	\
+		git diff --format=email "$$commit~..$$commit"		\
+			-- ${CHECK_PATHS} |				\
+			${CHECKPATCH}  ${CHECKPATCH_OPTS} - || true;	\
+	done
+
+certtool: ${CRTTOOL}
+
+${CRTTOOL}: FORCE
+	${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${CRTTOOLPATH} all
+	@${ECHO_BLANK_LINE}
+	@echo "Built $@ successfully"
+	@${ECHO_BLANK_LINE}
+
+ifneq (${GENERATE_COT},0)
+certificates: ${CRT_DEPS} ${CRTTOOL}
+	${Q}${CRTTOOL} ${CRT_ARGS}
+	@${ECHO_BLANK_LINE}
+	@echo "Built $@ successfully"
+	@echo "Certificates can be found in ${BUILD_PLAT}"
+	@${ECHO_BLANK_LINE}
+endif
+
+${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL}
+	$(eval ${CHECK_FIP_CMD})
+	${Q}${FIPTOOL} create ${FIP_ARGS} $@
+	${Q}${FIPTOOL} info $@
+	@${ECHO_BLANK_LINE}
+	@echo "Built $@ successfully"
+	@${ECHO_BLANK_LINE}
+
+ifneq (${GENERATE_COT},0)
+fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL}
+	${Q}${CRTTOOL} ${FWU_CRT_ARGS}
+	@${ECHO_BLANK_LINE}
+	@echo "Built $@ successfully"
+	@echo "FWU certificates can be found in ${BUILD_PLAT}"
+	@${ECHO_BLANK_LINE}
+endif
+
+${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL}
+	$(eval ${CHECK_FWU_FIP_CMD})
+	${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@
+	${Q}${FIPTOOL} info $@
+	@${ECHO_BLANK_LINE}
+	@echo "Built $@ successfully"
+	@${ECHO_BLANK_LINE}
+
+fiptool: ${FIPTOOL}
+fip: ${BUILD_PLAT}/${FIP_NAME}
+fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME}
+
+${FIPTOOL}: FORCE
+ifdef UNIX_MK
+	${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${FIPTOOLPATH} all
+else
+# Clear the MAKEFLAGS as we do not want
+# to pass the gnumake flags to nmake.
+	${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
+endif
+
+romlib.bin: libraries FORCE
+	${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} ENABLE_BTI=${ENABLE_BTI} ARM_ARCH_MINOR=${ARM_ARCH_MINOR} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all
+
+# Call print_memory_map tool
+memmap: all
+	${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP}
+
+doc:
+	@echo "  BUILD DOCUMENTATION"
+	${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html
+
+enctool: ${ENCTOOL}
+
+${ENCTOOL}: FORCE
+	${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${ENCTOOLPATH} all
+	@${ECHO_BLANK_LINE}
+	@echo "Built $@ successfully"
+	@${ECHO_BLANK_LINE}
+
+cscope:
+	@echo "  CSCOPE"
+	${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files
+	${Q}cscope -b -q -k
+
+help:
+	@echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]"
+	@echo ""
+	@echo "PLAT is used to specify which platform you wish to build."
+	@echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}"
+	@echo ""
+	@echo "platform = ${PLATFORM_LIST}"
+	@echo ""
+	@echo "Please refer to the User Guide for a list of all supported options."
+	@echo "Note that the build system doesn't track dependencies for build "
+	@echo "options. Therefore, if any of the build options are changed "
+	@echo "from a previous build, a clean build must be performed."
+	@echo ""
+	@echo "Supported Targets:"
+	@echo "  all            Build all individual bootloader binaries"
+	@echo "  bl1            Build the BL1 binary"
+	@echo "  bl2            Build the BL2 binary"
+	@echo "  bl2u           Build the BL2U binary"
+	@echo "  bl31           Build the BL31 binary"
+	@echo "  bl32           Build the BL32 binary. If ARCH=aarch32, then "
+	@echo "                 this builds secure payload specified by AARCH32_SP"
+	@echo "  certificates   Build the certificates (requires 'GENERATE_COT=1')"
+	@echo "  fip            Build the Firmware Image Package (FIP)"
+	@echo "  fwu_fip        Build the FWU Firmware Image Package (FIP)"
+	@echo "  checkcodebase  Check the coding style of the entire source tree"
+	@echo "  checkpatch     Check the coding style on changes in the current"
+	@echo "                 branch against BASE_COMMIT (default origin/master)"
+	@echo "  clean          Clean the build for the selected platform"
+	@echo "  cscope         Generate cscope index"
+	@echo "  distclean      Remove all build artifacts for all platforms"
+	@echo "  certtool       Build the Certificate generation tool"
+	@echo "  enctool        Build the Firmware encryption tool"
+	@echo "  fiptool        Build the Firmware Image Package (FIP) creation tool"
+	@echo "  sp             Build the Secure Partition Packages"
+	@echo "  sptool         Build the Secure Partition Package creation tool"
+	@echo "  dtbs           Build the Device Tree Blobs (if required for the platform)"
+	@echo "  memmap         Print the memory map of the built binaries"
+	@echo "  doc            Build html based documentation using Sphinx tool"
+	@echo ""
+	@echo "Note: most build targets require PLAT to be set to a specific platform."
+	@echo ""
+	@echo "example: build all targets for the FVP platform:"
+	@echo "  CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all"
+
+.PHONY: FORCE
+FORCE:;