# # Copyright (c) 2013-2025, Arm Limited and Contributors. All rights reserved. # # SPDX-License-Identifier: BSD-3-Clause # # # Trusted Firmware Version # VERSION_MAJOR := 2 VERSION_MINOR := 13 # VERSION_PATCH is only used for LTS releases VERSION_PATCH := 0 VERSION := ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH} # 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-rules.mk include ${MAKE_HELPERS_DIRECTORY}common.mk ################################################################################ # Default values for build configurations, and their dependencies ################################################################################ include ${MAKE_HELPERS_DIRECTORY}defaults.mk PLAT := ${DEFAULT_PLAT} include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk # To be able to set platform specific defaults ifneq ($(PLAT_DEFAULTS_MAKEFILE_FULL),) include ${PLAT_DEFAULTS_MAKEFILE_FULL} endif ################################################################################ # Configure the toolchains used to build TF-A and its tools ################################################################################ include ${MAKE_HELPERS_DIRECTORY}toolchain.mk # Assertions enabled for DEBUG builds by default ENABLE_ASSERTIONS := ${DEBUG} ENABLE_PMF := ${ENABLE_RUNTIME_INSTRUMENTATION} ################################################################################ # Checkpatch script options ################################################################################ CHECKCODE_ARGS := --no-patch # Do not check the coding style on imported library files or documentation files 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} \ ${INC_ARM_DIRS_TO_CHECK} ################################################################################ # Process build options ################################################################################ ifeq ($(verbose),) CHECKCODE_ARGS += --no-summary --terse endif ################################################################################ # Auxiliary tools (fiptool, cert_create, etc) ################################################################################ # Variables for use with Certificate Generation Tool CRTTOOLPATH ?= tools/cert_create CRTTOOL ?= ${BUILD_PLAT}/${CRTTOOLPATH}/cert_create$(.exe) # Variables for use with Firmware Encryption Tool ENCTOOLPATH ?= tools/encrypt_fw ENCTOOL ?= ${BUILD_PLAT}/${ENCTOOLPATH}/encrypt_fw$(.exe) # Variables for use with Firmware Image Package FIPTOOLPATH ?= tools/fiptool FIPTOOL ?= ${BUILD_PLAT}/${FIPTOOLPATH}/fiptool$(.exe) # Variables for use with sptool SPTOOLPATH ?= tools/sptool SPTOOL ?= ${SPTOOLPATH}/sptool.py SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py SP_DTS_LIST_FRAGMENT ?= ${BUILD_PLAT}/sp_list_fragment.dts # Variables for use with sptool TLCTOOL ?= poetry run tlc # Variables for use with ROMLIB ROMLIBPATH ?= lib/romlib # Variable for use with Python PYTHON ?= python3 # Variables for use with documentation build using Sphinx tool DOCS_PATH ?= docs # Process Debug flag ifneq (${DEBUG}, 0) BUILD_TYPE := debug # 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} # 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 (${W},0) E ?= 0 endif endif ################################################################################ # Setup ARCH_MAJOR/MINOR before parsing arch_features. ################################################################################ ifeq (${ENABLE_RME},1) ARM_ARCH_MAJOR := 9 ARM_ARCH_MINOR := 2 endif ################################################################################ # Common sources and include directories ################################################################################ include lib/compiler-rt/compiler-rt.mk # Allow overriding the timestamp, for example for reproducible builds, or to # synchronize timestamps across multiple projects. # This must be set to a C string (including quotes where applicable). BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ DEFINES += -DBUILD_MESSAGE_TIMESTAMP='$(BUILD_MESSAGE_TIMESTAMP)' DEFINES += -DBUILD_MESSAGE_VERSION_STRING='"$(VERSION_STRING)"' DEFINES += -DBUILD_MESSAGE_VERSION='"$(VERSION)"' BL_COMMON_SOURCES += common/bl_common.c \ common/tf_log.c \ common/${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 \ ${COMPILER_RT_SRCS} ifeq ($($(ARCH)-cc-id),arm-clang) BL_COMMON_SOURCES += lib/${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} \ ${SPD_INCLUDES} include common/backtrace/backtrace.mk ################################################################################ # Generic definitions ################################################################################ ifeq (${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 (${SPD},none) ifeq (${SPD},spmd) # SPMD is located in std_svc directory SPD_DIR := std_svc ifeq ($(SPMD_SPM_AT_SEL2),1) CTX_INCLUDE_EL2_REGS := 1 endif ifneq ($(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) ################################################################################ # Include the platform specific Makefile after the SPD Makefile (the platform # makefile may use all previous definitions in this file) ################################################################################ include ${PLAT_MAKEFILE_FULL} ################################################################################ # Setup arch_features based on ARM_ARCH_MAJOR, ARM_ARCH_MINOR provided from # platform. ################################################################################ include ${MAKE_HELPERS_DIRECTORY}arch_features.mk ################################################################################ # Process BRANCH_PROTECTION value and set # Pointer Authentication and Branch Target Identification flags ################################################################################ ifeq (${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 (${BRANCH_PROTECTION},4) # Turn on branch target identification mechanism BP_OPTION := bti ENABLE_BTI := 1 else ifeq (${BRANCH_PROTECTION},5) # Turn on branch target identification mechanism BP_OPTION := standard ENABLE_BTI := 2 ENABLE_PAUTH := 2 else $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION}) endif #(BRANCH_PROTECTION) ifneq ($(ENABLE_PAUTH),0) CTX_INCLUDE_PAUTH_REGS := ${ENABLE_PAUTH} endif # Pointer Authentication sources ifneq (${ENABLE_PAUTH},0) # 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.c endif # ifneq (${ENABLE_FEAT_PAUTH_LR},0) # Currently, FEAT_PAUTH_LR is only supported by arm/clang compilers # TODO implement for GCC when support is added ifeq ($($(ARCH)-cc-id),arm-clang) arch-features := $(arch-features)+pauth-lr else $(error Error: ENABLE_FEAT_PAUTH_LR not supported for GCC compiler) endif endif ################################################################################ # RME dependent flags configuration, Enable optional features for RME. ################################################################################ # FEAT_RME ifeq (${ENABLE_RME},1) # RME requires el2 context to be saved for now. CTX_INCLUDE_EL2_REGS := 1 CTX_INCLUDE_AARCH32_REGS := 0 CTX_INCLUDE_PAUTH_REGS := 1 ifneq ($(ENABLE_FEAT_MPAM), 0) CTX_INCLUDE_MPAM_REGS := 1 endif # RME enables CSV2_2 extension by default. ENABLE_FEAT_CSV2_2 = 1 endif #(FEAT_RME) ################################################################################ # Include rmmd Makefile if RME is enabled ################################################################################ ifneq (${ENABLE_RME},0) include services/std_svc/rmmd/rmmd.mk $(warning "RME is an experimental feature") endif ################################################################################ # Make 128-Bit sysreg read/writes availabe when FEAT_D128 is enabled. ################################################################################ ifneq (${ENABLE_FEAT_D128}, 0) BL_COMMON_SOURCES += lib/extensions/sysreg128/sysreg128.S endif # 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 # This internal flag is set to 1 when Firmware First handling of External aborts # is required by lowe ELs. Currently only NS requires this support. ifeq ($(HANDLE_EA_EL3_FIRST_NS),1) FFH_SUPPORT := 1 else FFH_SUPPORT := 0 endif # Include the CPU specific operations makefile, which provides default # values for all CPU errata workarounds and CPU specific optimisations. # This can be overridden by the platform. include lib/cpus/cpu-ops.mk ################################################################################ # Build `AARCH32_SP` as BL32 image for AArch32 ################################################################################ ifeq (${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 ifneq (${USE_GIC_DRIVER},0) include drivers/arm/gic/gic.mk endif ################################################################################ # Check incompatible options and dependencies ################################################################################ include ${MAKE_HELPERS_DIRECTORY}constraints.mk # The cert_create tool cannot generate certificates individually, so we use the # target 'certificates' to create them all ifneq (${GENERATE_COT},0) FIP_DEPS += certificates FWU_FIP_DEPS += fwu_certificates BL2_FIP_DEPS += bl2_certificates endif ifneq (${DECRYPTION_SUPPORT},none) ENC_ARGS += -f ${FW_ENC_STATUS} ENC_ARGS += -k ${ENC_KEY} ENC_ARGS += -n ${ENC_NONCE} FIP_DEPS += enctool FWU_FIP_DEPS += enctool BL2_FIP_DEPS += enctool endif #(DECRYPTION_SUPPORT) ifeq ($(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)) ifneq ($(filter 1 2 3,$(CRYPTO_SUPPORT)),) CRYPTO_LIB := $(BUILD_PLAT)/lib/libmbedtls.a endif ################################################################################ # Process platform overrideable behaviour ################################################################################ ifdef BL1_SOURCES NEED_BL1 := yes endif #(BL1_SOURCES) ifdef BL2_SOURCES NEED_BL2 := yes # Using BL2 implies that a BL33 image also needs to be supplied for the FIP and # Certificate generation tools. This flag can be overridden by the platform. ifdef EL3_PAYLOAD_BASE # If booting an EL3 payload there is no need for a BL33 image # in the FIP file. NEED_BL33 := no else ifdef PRELOADED_BL33_BASE # If booting a BL33 preloaded image there is no need of # another one in the FIP file. NEED_BL33 := no else NEED_BL33 ?= yes endif endif endif #(BL2_SOURCES) ifdef BL2U_SOURCES NEED_BL2U := yes endif #(BL2U_SOURCES) # If SCP_BL2 is given, we always want FIP to include it. ifdef SCP_BL2 NEED_SCP_BL2 := yes endif #(SCP_BL2) # For AArch32, BL31 is not currently supported. ifneq (${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 #(ARCH=aarch64) # 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) $(eval BL2_CRT_ARGS += -n) ifneq (${SAVE_KEYS},0) $(eval CRT_ARGS += -k) $(eval FWU_CRT_ARGS += -k) $(eval BL2_CRT_ARGS += -k) endif endif # Include TBBR makefile (unless the platform indicates otherwise) ifeq (${INCLUDE_TBBR_MK},1) include make_helpers/tbbr/tbbr_tools.mk endif endif #(GENERATE_COT) ifneq (${FIP_ALIGN},0) FIP_ARGS += --align ${FIP_ALIGN} endif #(FIP_ALIGN) ifdef FDT_SOURCES NEED_FDT := yes endif #(FDT_SOURCES) ################################################################################ # Include libraries' Makefile that are used in all BL ################################################################################ include lib/stack_protector/stack_protector.mk ################################################################################ # Include BL specific makefiles ################################################################################ ifeq (${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 ################################################################################ # Boolean_Flags $(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_SVE_REGS \ CTX_INCLUDE_EL2_REGS \ CTX_INCLUDE_MPAM_REGS \ DEBUG \ DYN_DISABLE_AUTH \ EL3_EXCEPTION_HANDLING \ ENABLE_AMU_AUXILIARY_COUNTERS \ AMU_RESTRICT_COUNTERS \ ENABLE_ASSERTIONS \ ENABLE_PIE \ ENABLE_PMF \ ENABLE_PSCI_STAT \ ENABLE_RUNTIME_INSTRUMENTATION \ ENABLE_SME_FOR_SWD \ ENABLE_SVE_FOR_SWD \ ENABLE_FEAT_GCIE \ ENABLE_FEAT_RAS \ FFH_SUPPORT \ ERROR_DEPRECATED \ FAULT_INJECTION_SUPPORT \ GENERATE_COT \ GICV2_G0_FOR_EL3 \ HANDLE_EA_EL3_FIRST_NS \ HARDEN_SLS \ HW_ASSISTED_COHERENCY \ MEASURED_BOOT \ DISCRETE_TPM \ DICE_PROTECTION_ENVIRONMENT \ RMMD_ENABLE_EL3_TOKEN_SIGN \ RMMD_ENABLE_IDE_KEY_PROG \ DRTM_SUPPORT \ NS_TIMER_SWITCH \ OVERRIDE_LIBC \ PL011_GENERIC_UART \ PROGRAMMABLE_RESET_ADDRESS \ PSCI_EXTENDED_STATE_ID \ PSCI_OS_INIT_MODE \ ARCH_FEATURE_AVAILABILITY \ RESET_TO_BL31 \ SAVE_KEYS \ SEPARATE_CODE_AND_RODATA \ SEPARATE_BL2_NOLOAD_REGION \ SEPARATE_NOBITS_REGION \ SEPARATE_RWDATA_REGION \ SEPARATE_SIMD_SECTION \ SPIN_ON_BL1_EXIT \ SPM_MM \ SPMC_AT_EL3 \ SPMC_AT_EL3_SEL0_SP \ SPMD_SPM_AT_SEL2 \ ENABLE_SPMD_LP \ TRANSFER_LIST \ TRUSTED_BOARD_BOOT \ USE_COHERENT_MEM \ USE_DEBUGFS \ USE_KERNEL_DT_CONVENTION \ ARM_IO_IN_DTB \ SDEI_IN_FCONF \ SEC_INT_DESC_IN_FCONF \ USE_ROMLIB \ USE_TBBR_DEFS \ WARMBOOT_ENABLE_DCACHE_EARLY \ RESET_TO_BL2 \ BL2_IN_XIP_MEM \ BL2_INV_DCACHE \ USE_SPINLOCK_CAS \ ENCRYPT_BL31 \ ENCRYPT_BL32 \ ERRATA_SPECULATIVE_AT \ ERRATA_SME_POWER_DOWN \ RAS_TRAP_NS_ERR_REC_ACCESS \ COT_DESC_IN_DTB \ USE_SP804_TIMER \ PSA_FWU_SUPPORT \ PSA_FWU_METADATA_FW_STORE_DESC \ ENABLE_MPMM \ FEATURE_DETECTION \ TRNG_SUPPORT \ ENABLE_ERRATA_ALL \ ERRATA_ABI_SUPPORT \ ERRATA_NON_ARM_INTERCONNECT \ CONDITIONAL_CMO \ PSA_CRYPTO \ ENABLE_CONSOLE_GETC \ INIT_UNUSED_NS_EL2 \ PLATFORM_REPORT_CTX_MEM_USE \ EARLY_CONSOLE \ PRESERVE_DSU_PMU_REGS \ HOB_LIST \ LFA_SUPPORT \ ))) # Numeric_Flags $(eval $(call assert_numerics,\ $(sort \ ARM_ARCH_MAJOR \ ARM_ARCH_MINOR \ BRANCH_PROTECTION \ CTX_INCLUDE_PAUTH_REGS \ CTX_INCLUDE_NEVE_REGS \ CRYPTO_SUPPORT \ DISABLE_MTPMU \ ENABLE_BRBE_FOR_NS \ ENABLE_TRBE_FOR_NS \ ENABLE_BTI \ ENABLE_PAUTH \ ENABLE_FEAT_PAUTH_LR \ ENABLE_FEAT_AMU \ ENABLE_FEAT_AMUv1p1 \ ENABLE_FEAT_CSV2_2 \ ENABLE_FEAT_CSV2_3 \ ENABLE_FEAT_DEBUGV8P9 \ ENABLE_FEAT_DIT \ ENABLE_FEAT_ECV \ ENABLE_FEAT_FGT \ ENABLE_FEAT_FGT2 \ ENABLE_FEAT_FGWTE3 \ ENABLE_FEAT_FPMR \ ENABLE_FEAT_HCX \ ENABLE_FEAT_LS64_ACCDATA \ ENABLE_FEAT_MEC \ ENABLE_FEAT_MOPS \ ENABLE_FEAT_MTE2 \ ENABLE_FEAT_PAN \ ENABLE_FEAT_RNG \ ENABLE_FEAT_RNG_TRAP \ ENABLE_FEAT_SEL2 \ ENABLE_FEAT_TCR2 \ ENABLE_FEAT_THE \ ENABLE_FEAT_SB \ ENABLE_FEAT_S2PIE \ ENABLE_FEAT_S1PIE \ ENABLE_FEAT_S2POE \ ENABLE_FEAT_S1POE \ ENABLE_FEAT_SCTLR2 \ ENABLE_FEAT_D128 \ ENABLE_FEAT_GCS \ ENABLE_FEAT_VHE \ ENABLE_FEAT_MPAM \ ENABLE_FEAT_MPAM_PE_BW_CTRL \ ENABLE_RME \ ENABLE_SPE_FOR_NS \ ENABLE_SYS_REG_TRACE_FOR_NS \ ENABLE_SME_FOR_NS \ ENABLE_SME2_FOR_NS \ ENABLE_SVE_FOR_NS \ ENABLE_TRF_FOR_NS \ FW_ENC_STATUS \ NR_OF_FW_BANKS \ NR_OF_IMAGES_IN_FW_BANK \ TWED_DELAY \ ENABLE_FEAT_TWED \ SVE_VECTOR_LEN \ IMPDEF_SYSREG_TRAP \ W \ ))) 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,\ $(sort \ ALLOW_RO_XLAT_TABLES \ ARM_ARCH_MAJOR \ ARM_ARCH_MINOR \ BL2_ENABLE_SP_LOAD \ COLD_BOOT_SINGLE_CPU \ CTX_INCLUDE_AARCH32_REGS \ CTX_INCLUDE_FPREGS \ CTX_INCLUDE_SVE_REGS \ CTX_INCLUDE_PAUTH_REGS \ CTX_INCLUDE_MPAM_REGS \ EL3_EXCEPTION_HANDLING \ CTX_INCLUDE_EL2_REGS \ CTX_INCLUDE_NEVE_REGS \ DEBUG \ DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \ DISABLE_MTPMU \ ENABLE_FEAT_AMU \ ENABLE_AMU_AUXILIARY_COUNTERS \ AMU_RESTRICT_COUNTERS \ ENABLE_ASSERTIONS \ ENABLE_BTI \ ENABLE_FEAT_DEBUGV8P9 \ ENABLE_FEAT_MPAM \ ENABLE_FEAT_MPAM_PE_BW_CTRL \ ENABLE_PAUTH \ ENABLE_FEAT_PAUTH_LR \ ENABLE_PIE \ ENABLE_PMF \ ENABLE_PSCI_STAT \ ENABLE_RME \ RMMD_ENABLE_EL3_TOKEN_SIGN \ RMMD_ENABLE_IDE_KEY_PROG \ ENABLE_RUNTIME_INSTRUMENTATION \ ENABLE_SME_FOR_NS \ ENABLE_SME2_FOR_NS \ ENABLE_SME_FOR_SWD \ ENABLE_SPE_FOR_NS \ ENABLE_SVE_FOR_NS \ ENABLE_SVE_FOR_SWD \ ENABLE_FEAT_RAS \ FFH_SUPPORT \ 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 \ DISCRETE_TPM \ DICE_PROTECTION_ENVIRONMENT \ DRTM_SUPPORT \ NS_TIMER_SWITCH \ PL011_GENERIC_UART \ PLAT_${PLAT} \ PROGRAMMABLE_RESET_ADDRESS \ PSCI_EXTENDED_STATE_ID \ PSCI_OS_INIT_MODE \ ARCH_FEATURE_AVAILABILITY \ RESET_TO_BL31 \ RME_GPT_BITLOCK_BLOCK \ RME_GPT_MAX_BLOCK \ SEPARATE_CODE_AND_RODATA \ SEPARATE_BL2_FIP \ SEPARATE_BL2_NOLOAD_REGION \ SEPARATE_NOBITS_REGION \ SEPARATE_RWDATA_REGION \ SEPARATE_SIMD_SECTION \ RECLAIM_INIT_CODE \ SPD_${SPD} \ SPIN_ON_BL1_EXIT \ SPM_MM \ SPMC_AT_EL3 \ SPMC_AT_EL3_SEL0_SP \ SPMD_SPM_AT_SEL2 \ TRANSFER_LIST \ TRUSTED_BOARD_BOOT \ CRYPTO_SUPPORT \ TRNG_SUPPORT \ ERRATA_ABI_SUPPORT \ ERRATA_NON_ARM_INTERCONNECT \ USE_COHERENT_MEM \ USE_DEBUGFS \ ARM_IO_IN_DTB \ SDEI_IN_FCONF \ SEC_INT_DESC_IN_FCONF \ USE_ROMLIB \ USE_TBBR_DEFS \ USE_KERNEL_DT_CONVENTION \ WARMBOOT_ENABLE_DCACHE_EARLY \ RESET_TO_BL2 \ BL2_RUNS_AT_EL3 \ BL2_IN_XIP_MEM \ BL2_INV_DCACHE \ USE_SPINLOCK_CAS \ ERRATA_SPECULATIVE_AT \ ERRATA_SME_POWER_DOWN \ 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 \ PSA_FWU_METADATA_FW_STORE_DESC \ ENABLE_BRBE_FOR_NS \ ENABLE_TRBE_FOR_NS \ ENABLE_SYS_REG_TRACE_FOR_NS \ ENABLE_TRF_FOR_NS \ ENABLE_FEAT_HCX \ ENABLE_MPMM \ ENABLE_FEAT_FGT \ ENABLE_FEAT_FGT2 \ ENABLE_FEAT_FGWTE3 \ ENABLE_FEAT_FPMR \ ENABLE_FEAT_ECV \ ENABLE_FEAT_AMUv1p1 \ ENABLE_FEAT_SEL2 \ ENABLE_FEAT_VHE \ ENABLE_FEAT_CSV2_2 \ ENABLE_FEAT_CSV2_3 \ ENABLE_FEAT_LS64_ACCDATA \ ENABLE_FEAT_MEC \ ENABLE_FEAT_PAN \ ENABLE_FEAT_TCR2 \ ENABLE_FEAT_THE \ ENABLE_FEAT_S2PIE \ ENABLE_FEAT_S1PIE \ ENABLE_FEAT_S2POE \ ENABLE_FEAT_S1POE \ ENABLE_FEAT_SCTLR2 \ ENABLE_FEAT_D128 \ ENABLE_FEAT_GCS \ ENABLE_FEAT_MOPS \ ENABLE_FEAT_GCIE \ ENABLE_FEAT_MTE2 \ FEATURE_DETECTION \ TWED_DELAY \ ENABLE_FEAT_TWED \ CONDITIONAL_CMO \ IMPDEF_SYSREG_TRAP \ SVE_VECTOR_LEN \ ENABLE_SPMD_LP \ PSA_CRYPTO \ ENABLE_CONSOLE_GETC \ INIT_UNUSED_NS_EL2 \ PLATFORM_REPORT_CTX_MEM_USE \ EARLY_CONSOLE \ PRESERVE_DSU_PMU_REGS \ HOB_LIST \ HW_CONFIG_BASE \ LFA_SUPPORT \ ))) ifeq (${PLATFORM_REPORT_CTX_MEM_USE}, 1) ifeq (${DEBUG}, 0) $(warning "PLATFORM_REPORT_CTX_MEM_USE can be applied when DEBUG=1 only") override PLATFORM_REPORT_CTX_MEM_USE := 0 endif endif ifeq (${SANITIZE_UB},trap) $(eval $(call add_define,MONITOR_TRAPS)) endif #(SANITIZE_UB) # 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 $(call add_define,PRELOADED_BL33_BASE)) endif endif #(EL3_PAYLOAD_BASE) # Define the DYN_DISABLE_AUTH flag only if set. ifeq (${DYN_DISABLE_AUTH},1) $(eval $(call add_define,DYN_DISABLE_AUTH)) endif ifeq ($($(ARCH)-ld-id),arm-link) $(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 #(SP_LAYOUT_FILE) endif #(SPD) ################################################################################ # Configure the flags for the specified compiler and linker ################################################################################ include ${MAKE_HELPERS_DIRECTORY}cflags.mk ################################################################################ # Build targets ################################################################################ .PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp tl fwu_fip certtool dtbs memmap doc enctool all: msg_start msg_start: $(s)echo "Building ${PLAT}" $(eval $(call MAKE_LIB,c)) # Expand build macros for the different images ifeq (${NEED_BL1},yes) BL1_SOURCES := $(sort ${BL1_SOURCES}) $(eval $(call MAKE_BL,bl1)) endif #(NEED_BL1) ifeq (${NEED_BL2},yes) ifeq (${RESET_TO_BL2}, 0) FIP_BL2_ARGS := tb-fw endif BL2_SOURCES := $(sort ${BL2_SOURCES}) ifeq (${SEPARATE_BL2_FIP},1) $(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS},BL2_)), \ $(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS},BL2_))) else $(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})), \ $(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS}))) endif #(SEPARATE_BL2_FIP) endif #(NEED_BL2) ifeq (${NEED_SCP_BL2},yes) $(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) endif #(NEED_SCP_BL2) ifeq (${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 $(call MAKE_BL,bl31,soc-fw))) endif #(DECRYPTION_SUPPORT) endif #(NEED_BL31) # If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the # build system will call TOOL_ADD_IMG to print a warning message and abort the # process. Note that the dependency on BL32 applies to the FIP only. ifeq (${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 $(call TOOL_ADD_IMG,bl32,--tos-fw))) endif #(DECRYPTION_SUPPORT) endif #(NEED_BL32) # If RMM image is needed but RMM is not defined, Test Realm Payload (TRP) # needs to be built from RMM_SOURCES. ifeq (${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 $(call TOOL_ADD_IMG,rmm,--rmm-fw))) endif #(NEED_RMM) # Add the BL33 image if required by the platform ifeq (${NEED_BL33},yes) $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) endif #(NEED_BL33) ifeq (${NEED_BL2U},yes) $(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ $(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_))) endif #(NEED_BL2U) # Expand build macros for the different images ifeq (${NEED_FDT},yes) $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) ifneq (${INITRD_SIZE}${INITRD_PATH},) ifndef INITRD_BASE $(error INITRD_BASE must be set when inserting initrd properties to the DTB.) endif INITRD_SIZE ?= $(shell printf "0x%x\n" $$(stat -Lc %s $(INITRD_PATH))) initrd_end = $(shell printf "0x%x\n" $$(expr $$(($(INITRD_BASE) + $(INITRD_SIZE))))) define $(HW_CONFIG)-after += $(s)echo " INITRD $(HW_CONFIG)" $(q)fdtput -t x $@ /chosen linux,initrd-start $(INITRD_BASE) $(q)fdtput -t x $@ /chosen linux,initrd-end $(initrd_end) endef endif endif #(NEED_FDT) # Add Secure Partition packages ifeq (${NEED_SP_PKG},yes) $(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | $$(@D)/ $(if $(host-poetry),$(q)poetry -q install --no-root) $(q)$(if $(host-poetry),poetry run )${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} ${SP_DTS_LIST_FRAGMENT} sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS) $(s)echo $(s)echo "Built SP Images successfully" $(s)echo endif #(NEED_SP_PKG) 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 #(CHECKPATCH) clean: $(s)echo " CLEAN" $(q)rm -rf $(BUILD_PLAT) $(q)${MAKE} PLAT=${PLAT} BUILD_PLAT=${BUILD_PLAT} --no-print-directory -C ${FIPTOOLPATH} clean $(q)rm -rf ${FIPTOOLPATH}/fiptool $(q)${MAKE} PLAT=${PLAT} BUILD_PLAT=${BUILD_PLAT} --no-print-directory -C ${CRTTOOLPATH} clean $(q)rm -rf ${CRTTOOLPATH}/cert_create $(q)${MAKE} PLAT=${PLAT} BUILD_PLAT=${BUILD_PLAT} --no-print-directory -C ${ENCTOOLPATH} clean $(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean realclean distclean: $(s)echo " REALCLEAN" $(q)rm -rf $(BUILD_BASE) $(q)rm -rf $(CURDIR)/cscope.* $(q)${MAKE} PLAT=${PLAT} BUILD_PLAT=${BUILD_PLAT} --no-print-directory -C ${FIPTOOLPATH} clean $(q)rm -rf ${FIPTOOLPATH}/fiptool $(q)${MAKE} PLAT=${PLAT} BUILD_PLAT=${BUILD_PLAT} --no-print-directory -C ${CRTTOOLPATH} clean $(q)rm -rf ${CRTTOOLPATH}/cert_create $(q)${MAKE} PLAT=${PLAT} BUILD_PLAT=${BUILD_PLAT} --no-print-directory -C ${ENCTOOLPATH} clean $(q)${MAKE} --no-print-directory -C ${ROMLIBPATH} clean checkcodebase: locate-checkpatch $(s)echo " CHECKING STYLE" $(q)if test -d .git ; then \ git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ while read GIT_FILE ; \ do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ done ; \ else \ find . -type f -not -iwholename "*.git*" \ -not -iwholename "*build*" \ -not -iwholename "*libfdt*" \ -not -iwholename "*libc*" \ -not -iwholename "*docs*" \ -not -iwholename "*.rst" \ -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ fi checkpatch: locate-checkpatch $(s)echo " CHECKING STYLE" $(q)if test -n "${CHECKPATCH_OPTS}"; then \ echo " with ${CHECKPATCH_OPTS} option(s)"; \ fi $(q)COMMON_COMMIT=$$(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} ; \ git diff --format=email "$$commit~..$$commit" \ -- ${CHECK_PATHS}; ) | \ ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ done certtool: ${CRTTOOL} ${CRTTOOL}: FORCE $(q)${MAKE} PLAT=${PLAT} BUILD_PLAT=$(abspath ${BUILD_PLAT}) USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} --no-print-directory -C ${CRTTOOLPATH} all $(q)ln -sf ${CRTTOOL} ${CRTTOOLPATH}/cert_create $(s)echo $(s)echo "Built $@ successfully" $(s)echo ifneq (${GENERATE_COT},0) certificates: ${CRT_DEPS} ${CRTTOOL} ${DTBS} $(q)${CRTTOOL} ${CRT_ARGS} $(s)echo $(s)echo "Built $@ successfully" $(s)echo "Certificates can be found in ${BUILD_PLAT}" $(s)echo endif #(GENERATE_COT) ifeq (${SEPARATE_BL2_FIP},1) ${BUILD_PLAT}/${BL2_FIP_NAME}: ${BL2_FIP_DEPS} ${FIPTOOL} $(eval ${CHECK_BL2_FIP_CMD}) $(q)${FIPTOOL} create ${BL2_FIP_ARGS} $@ $(q)${FIPTOOL} info $@ $(s)echo $(s)echo "Built $@ successfully" $(s)echo endif #(SEPARATE_BL2_FIP) ${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} $(eval ${CHECK_FIP_CMD}) $(q)${FIPTOOL} create ${FIP_ARGS} $@ $(q)${FIPTOOL} info $@ $(s)echo $(s)echo "Built $@ successfully" $(s)echo ifneq (${GENERATE_COT},0) fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} $(q)${CRTTOOL} ${FWU_CRT_ARGS} $(s)echo $(s)echo "Built $@ successfully" $(s)echo "FWU certificates can be found in ${BUILD_PLAT}" $(s)echo endif #(GENERATE_COT) ifneq (${GENERATE_COT},0) bl2_certificates: ${BUILD_PLAT}/${FIP_NAME} ${BL2_CRT_DEPS} ${CRTTOOL} $(q)${CRTTOOL} ${BL2_CRT_ARGS} $(s)echo $(s)echo "Built $@ successfully" $(s)echo "BL2 certificates can be found in ${BUILD_PLAT}" $(s)echo endif #(GENERATE_COT) ${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} $(eval ${CHECK_FWU_FIP_CMD}) $(q)${FIPTOOL} create ${FWU_FIP_ARGS} $@ $(q)${FIPTOOL} info $@ $(s)echo $(s)echo "Built $@ successfully" $(s)echo fiptool: ${FIPTOOL} ifeq (${SEPARATE_BL2_FIP},1) bl2_fip: ${BUILD_PLAT}/${BL2_FIP_NAME} fip: bl2_fip else fip: ${BUILD_PLAT}/${FIP_NAME} endif #(SEPARATE_BL2_FIP) fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} # symlink for compatibility before tools were in the build directory ${FIPTOOL}: FORCE $(q)${MAKE} PLAT=${PLAT} BUILD_PLAT=$(abspath ${BUILD_PLAT}) CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} --no-print-directory -C ${FIPTOOLPATH} all $(q)ln -sf ${FIPTOOL} ${FIPTOOLPATH}/fiptool $(BUILD_PLAT)/romlib/romlib.bin $(BUILD_PLAT)/lib/libwrappers.a $&: $(BUILD_PLAT)/lib/libfdt.a $(BUILD_PLAT)/lib/libc.a $(CRYPTO_LIB) $(q)${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} ENABLE_BTI=${ENABLE_BTI} CRYPTO_SUPPORT=${CRYPTO_SUPPORT} ARM_ARCH_MINOR=${ARM_ARCH_MINOR} INCLUDES=$(call escape-shell,$(INCLUDES)) DEFINES=$(call escape-shell,$(DEFINES)) --no-print-directory -C ${ROMLIBPATH} all memmap: all $(if $(host-poetry),$(q)poetry -q install --no-root) $(q)$(if $(host-poetry),poetry run )memory --root ${BUILD_PLAT} symbols tl: ${BUILD_PLAT}/tl.bin ${BUILD_PLAT}/tl.bin: ${HW_CONFIG} $(if $(host-poetry),$(q)poetry -q install --no-root) $(q)$(if $(host-poetry),poetry run )tlc create --fdt $< -s ${FW_HANDOFF_SIZE} $@ doc: $(s)echo " BUILD DOCUMENTATION" $(if $(host-poetry),$(q)poetry -q install --with docs --no-root) $(q)$(if $(host-poetry),poetry run )${MAKE} --no-print-directory -C ${DOCS_PATH} BUILDDIR=$(abspath ${BUILD_BASE}/docs) html enctool: ${ENCTOOL} ${ENCTOOL}: FORCE $(q)${MAKE} PLAT=${PLAT} BUILD_PLAT=$(abspath ${BUILD_PLAT}) BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} --no-print-directory -C ${ENCTOOLPATH} all $(s)echo $(s)echo "Built $@ successfully" $(s)echo cscope: $(s)echo " CSCOPE" $(q)find ${CURDIR} -name "*.[chsS]" > cscope.files $(q)cscope -b -q -k help: $(s)echo "usage: ${MAKE} [PLAT=] [OPTIONS] [TARGET]" $(s)echo "" $(s)echo "PLAT is used to specify which platform you wish to build." $(s)echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" $(s)echo "" $(s)echo "platform = ${PLATFORM_LIST}" $(s)echo "" $(s)echo "Please refer to the User Guide for a list of all supported options." $(s)echo "Note that the build system doesn't track dependencies for build " $(s)echo "options. Therefore, if any of the build options are changed " $(s)echo "from a previous build, a clean build must be performed." $(s)echo "" $(s)echo "Supported Targets:" $(s)echo " all Build all individual bootloader binaries" $(s)echo " bl1 Build the BL1 binary" $(s)echo " bl2 Build the BL2 binary" $(s)echo " bl2u Build the BL2U binary" $(s)echo " bl31 Build the BL31 binary" $(s)echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " $(s)echo " this builds secure payload specified by AARCH32_SP" $(s)echo " certificates Build the certificates (requires 'GENERATE_COT=1')" $(s)echo " fip Build the Firmware Image Package (FIP)" $(s)echo " fwu_fip Build the FWU Firmware Image Package (FIP)" $(s)echo " checkcodebase Check the coding style of the entire source tree" $(s)echo " checkpatch Check the coding style on changes in the current" $(s)echo " branch against BASE_COMMIT (default origin/master)" $(s)echo " clean Clean the build for the selected platform" $(s)echo " cscope Generate cscope index" $(s)echo " distclean Remove all build artifacts for all platforms" $(s)echo " certtool Build the Certificate generation tool" $(s)echo " enctool Build the Firmware encryption tool" $(s)echo " fiptool Build the Firmware Image Package (FIP) creation tool" $(s)echo " sp Build the Secure Partition Packages" $(s)echo " sptool Build the Secure Partition Package creation tool" $(s)echo " dtbs Build the Device Tree Blobs (if required for the platform)" $(s)echo " memmap Print the memory map of the built binaries" $(s)echo " doc Build html based documentation using Sphinx tool" $(s)echo "" $(s)echo "Note: most build targets require PLAT to be set to a specific platform." $(s)echo "" $(s)echo "example: build all targets for the FVP platform:" $(s)echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" .PHONY: FORCE FORCE:;