1# 2# Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# 8# Trusted Firmware Version 9# 10VERSION_MAJOR := 2 11VERSION_MINOR := 2 12 13# Default goal is build all images 14.DEFAULT_GOAL := all 15 16# Avoid any implicit propagation of command line variable definitions to 17# sub-Makefiles, like CFLAGS that we reserved for the firmware images' 18# usage. Other command line options like "-s" are still propagated as usual. 19MAKEOVERRIDES = 20 21MAKE_HELPERS_DIRECTORY := make_helpers/ 22include ${MAKE_HELPERS_DIRECTORY}build_macros.mk 23include ${MAKE_HELPERS_DIRECTORY}build_env.mk 24 25################################################################################ 26# Default values for build configurations, and their dependencies 27################################################################################ 28 29include ${MAKE_HELPERS_DIRECTORY}defaults.mk 30 31# Assertions enabled for DEBUG builds by default 32ENABLE_ASSERTIONS := ${DEBUG} 33ENABLE_PMF := ${ENABLE_RUNTIME_INSTRUMENTATION} 34PLAT := ${DEFAULT_PLAT} 35 36################################################################################ 37# Checkpatch script options 38################################################################################ 39 40CHECKCODE_ARGS := --no-patch 41# Do not check the coding style on imported library files or documentation files 42INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 43 include/lib/libfdt \ 44 include/lib/libc, \ 45 $(wildcard include/lib/*))) 46INC_DIRS_TO_CHECK := $(sort $(filter-out \ 47 include/lib, \ 48 $(wildcard include/*))) 49LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 50 lib/compiler-rt \ 51 lib/libfdt% \ 52 lib/libc, \ 53 $(wildcard lib/*))) 54ROOT_DIRS_TO_CHECK := $(sort $(filter-out \ 55 lib \ 56 include \ 57 docs \ 58 %.rst, \ 59 $(wildcard *))) 60CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \ 61 ${INC_DIRS_TO_CHECK} \ 62 ${INC_LIB_DIRS_TO_CHECK} \ 63 ${LIB_DIRS_TO_CHECK} 64 65 66################################################################################ 67# Process build options 68################################################################################ 69 70# Verbose flag 71ifeq (${V},0) 72 Q:=@ 73 ECHO:=@echo 74 CHECKCODE_ARGS += --no-summary --terse 75else 76 Q:= 77 ECHO:=$(ECHO_QUIET) 78endif 79 80ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) 81 Q:=@ 82 ECHO:=$(ECHO_QUIET) 83endif 84 85export Q ECHO 86 87# Process Debug flag 88$(eval $(call add_define,DEBUG)) 89ifneq (${DEBUG}, 0) 90 BUILD_TYPE := debug 91 TF_CFLAGS += -g 92 93 ifneq ($(findstring clang,$(notdir $(CC))),) 94 ASFLAGS += -g 95 else 96 ASFLAGS += -g -Wa,--gdwarf-2 97 endif 98 99 # Use LOG_LEVEL_INFO by default for debug builds 100 LOG_LEVEL := 40 101else 102 BUILD_TYPE := release 103 # Use LOG_LEVEL_NOTICE by default for release builds 104 LOG_LEVEL := 20 105endif 106 107# Default build string (git branch and commit) 108ifeq (${BUILD_STRING},) 109 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 110endif 111VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 112 113# The cert_create tool cannot generate certificates individually, so we use the 114# target 'certificates' to create them all 115ifneq (${GENERATE_COT},0) 116 FIP_DEPS += certificates 117 FWU_FIP_DEPS += fwu_certificates 118endif 119 120# Process BRANCH_PROTECTION value and set 121# Pointer Authentication and Branch Target Identification flags 122ifeq (${BRANCH_PROTECTION},0) 123 # Default value turns off all types of branch protection 124 BP_OPTION := none 125else ifneq (${ARCH},aarch64) 126 $(error BRANCH_PROTECTION requires AArch64) 127else ifeq (${BRANCH_PROTECTION},1) 128 # Enables all types of branch protection features 129 BP_OPTION := standard 130 ENABLE_BTI := 1 131 ENABLE_PAUTH := 1 132else ifeq (${BRANCH_PROTECTION},2) 133 # Return address signing to its standard level 134 BP_OPTION := pac-ret 135 ENABLE_PAUTH := 1 136else ifeq (${BRANCH_PROTECTION},3) 137 # Extend the signing to include leaf functions 138 BP_OPTION := pac-ret+leaf 139 ENABLE_PAUTH := 1 140else 141 $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION}) 142endif 143 144# USE_SPINLOCK_CAS requires AArch64 build 145ifeq (${USE_SPINLOCK_CAS},1) 146ifneq (${ARCH},aarch64) 147 $(error USE_SPINLOCK_CAS requires AArch64) 148else 149 $(info USE_SPINLOCK_CAS is an experimental feature) 150endif 151endif 152 153################################################################################ 154# Toolchain 155################################################################################ 156 157HOSTCC := gcc 158export HOSTCC 159 160CC := ${CROSS_COMPILE}gcc 161CPP := ${CROSS_COMPILE}cpp 162AS := ${CROSS_COMPILE}gcc 163AR := ${CROSS_COMPILE}ar 164LINKER := ${CROSS_COMPILE}ld 165OC := ${CROSS_COMPILE}objcopy 166OD := ${CROSS_COMPILE}objdump 167NM := ${CROSS_COMPILE}nm 168PP := ${CROSS_COMPILE}gcc -E 169DTC := dtc 170 171# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 172ifneq ($(strip $(wildcard ${LD}.bfd) \ 173 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 174LINKER := ${LINKER}.bfd 175endif 176 177ifeq (${ARM_ARCH_MAJOR},7) 178target32-directive = -target arm-none-eabi 179# Will set march32-directive from platform configuration 180else 181target32-directive = -target armv8a-none-eabi 182 183# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option 184ifeq (${ARM_ARCH_MINOR},0) 185march32-directive = -march=armv8-a 186march64-directive = -march=armv8-a 187else 188march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a 189march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a 190endif 191endif 192 193ifneq ($(findstring armclang,$(notdir $(CC))),) 194TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 195TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 196LD = $(LINKER) 197AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 198CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 199PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 200else ifneq ($(findstring clang,$(notdir $(CC))),) 201TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 202TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 203LD = $(LINKER) 204AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 205CPP = $(CC) -E 206PP = $(CC) -E 207else ifneq ($(findstring gcc,$(notdir $(CC))),) 208TF_CFLAGS_aarch32 = $(march32-directive) 209TF_CFLAGS_aarch64 = $(march64-directive) 210ifeq ($(ENABLE_LTO),1) 211 # Enable LTO only for aarch64 212 ifeq (${ARCH},aarch64) 213 LTO_CFLAGS = -flto 214 # Use gcc as a wrapper for the ld, recommended for LTO 215 LINKER := ${CROSS_COMPILE}gcc 216 endif 217endif 218LD = $(LINKER) 219else 220TF_CFLAGS_aarch32 = $(march32-directive) 221TF_CFLAGS_aarch64 = $(march64-directive) 222LD = $(LINKER) 223endif 224 225ifeq (${AARCH32_INSTRUCTION_SET},A32) 226TF_CFLAGS_aarch32 += -marm 227else ifeq (${AARCH32_INSTRUCTION_SET},T32) 228TF_CFLAGS_aarch32 += -mthumb 229else 230$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 231endif 232 233TF_CFLAGS_aarch32 += -mno-unaligned-access 234TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 235 236ifneq (${BP_OPTION},none) 237TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 238endif 239 240ASFLAGS_aarch32 = $(march32-directive) 241ASFLAGS_aarch64 = $(march64-directive) 242 243# General warnings 244WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 245 -Wdisabled-optimization -Wvla -Wshadow \ 246 -Wno-unused-parameter 247 248# Additional warnings 249# Level 1 250WARNING1 := -Wextra 251WARNING1 += -Wmissing-declarations 252WARNING1 += -Wmissing-format-attribute 253WARNING1 += -Wmissing-prototypes 254WARNING1 += -Wold-style-definition 255 256# Level 2 257WARNING2 := -Waggregate-return 258WARNING2 += -Wcast-align 259WARNING2 += -Wnested-externs 260 261WARNING3 := -Wbad-function-cast 262WARNING3 += -Wcast-qual 263WARNING3 += -Wconversion 264WARNING3 += -Wpacked 265WARNING3 += -Wpadded 266WARNING3 += -Wpointer-arith 267WARNING3 += -Wredundant-decls 268WARNING3 += -Wswitch-default 269 270ifeq (${W},1) 271WARNINGS += $(WARNING1) 272else ifeq (${W},2) 273WARNINGS += $(WARNING1) $(WARNING2) 274else ifeq (${W},3) 275WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 276endif 277 278# Compiler specific warnings 279ifeq ($(findstring clang,$(notdir $(CC))),) 280# not using clang 281WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 282 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 283 -Wlogical-op 284else 285# using clang 286WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 287 -Wlogical-op-parentheses 288endif 289 290ifneq (${E},0) 291ERRORS := -Werror 292endif 293 294CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 295 $(ERRORS) $(WARNINGS) 296ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 297 -ffreestanding -Wa,--fatal-warnings 298TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 299 -ffunction-sections -fdata-sections \ 300 -ffreestanding -fno-builtin -fno-common \ 301 -Os -std=gnu99 302 303ifeq (${SANITIZE_UB},on) 304TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 305endif 306ifeq (${SANITIZE_UB},trap) 307TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 308 -fsanitize-undefined-trap-on-error 309endif 310 311GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 312 313ifneq ($(findstring armlink,$(notdir $(LD))),) 314TF_LDFLAGS += --diag_error=warning --lto_level=O1 315TF_LDFLAGS += --remove --info=unused,unusedsymbols 316TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 317else ifneq ($(findstring gcc,$(notdir $(LD))),) 318# Pass ld options with Wl or Xlinker switches 319TF_LDFLAGS += -Wl,--fatal-warnings -O1 320TF_LDFLAGS += -Wl,--gc-sections 321ifeq ($(ENABLE_LTO),1) 322 ifeq (${ARCH},aarch64) 323 TF_LDFLAGS += -flto -fuse-linker-plugin 324 endif 325endif 326# GCC automatically adds fix-cortex-a53-843419 flag when used to link 327# which breaks some builds, so disable if errata fix is not explicitly enabled 328ifneq (${ERRATA_A53_843419},1) 329 TF_LDFLAGS += -mno-fix-cortex-a53-843419 330endif 331TF_LDFLAGS += -nostdlib 332TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 333else 334TF_LDFLAGS += --fatal-warnings -O1 335TF_LDFLAGS += --gc-sections 336TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 337endif 338 339DTC_FLAGS += -I dts -O dtb 340DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 341 342################################################################################ 343# Common sources and include directories 344################################################################################ 345include lib/compiler-rt/compiler-rt.mk 346 347BL_COMMON_SOURCES += common/bl_common.c \ 348 common/tf_log.c \ 349 common/${ARCH}/debug.S \ 350 drivers/console/multi_console.c \ 351 lib/${ARCH}/cache_helpers.S \ 352 lib/${ARCH}/misc_helpers.S \ 353 plat/common/plat_bl_common.c \ 354 plat/common/plat_log_common.c \ 355 plat/common/${ARCH}/plat_common.c \ 356 plat/common/${ARCH}/platform_helpers.S \ 357 ${COMPILER_RT_SRCS} 358 359ifeq ($(notdir $(CC)),armclang) 360BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 361endif 362 363ifeq (${SANITIZE_UB},on) 364BL_COMMON_SOURCES += plat/common/ubsan.c 365endif 366 367INCLUDES += -Iinclude \ 368 -Iinclude/arch/${ARCH} \ 369 -Iinclude/lib/cpus/${ARCH} \ 370 -Iinclude/lib/el3_runtime/${ARCH} \ 371 ${PLAT_INCLUDES} \ 372 ${SPD_INCLUDES} 373 374include common/backtrace/backtrace.mk 375 376################################################################################ 377# Generic definitions 378################################################################################ 379 380include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 381 382BUILD_BASE := ./build 383BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 384 385SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 386 387# Platforms providing their own TBB makefile may override this value 388INCLUDE_TBBR_MK := 1 389 390 391################################################################################ 392# Include SPD Makefile if one has been specified 393################################################################################ 394 395ifneq (${SPD},none) 396ifeq (${ARCH},aarch32) 397 $(error "Error: SPD is incompatible with AArch32.") 398endif 399ifdef EL3_PAYLOAD_BASE 400 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 401 $(warning "The SPD and its BL32 companion will be present but ignored.") 402endif 403 # We expect to locate an spd.mk under the specified SPD directory 404 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 405 406 ifeq (${SPD_MAKE},) 407 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 408 endif 409 $(info Including ${SPD_MAKE}) 410 include ${SPD_MAKE} 411 412 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 413 # Makefile would set NEED_BL32 to "yes". In this case, the build system 414 # supports two mutually exclusive options: 415 # * BL32 is built from source: then BL32_SOURCES must contain the list 416 # of source files to build BL32 417 # * BL32 is a prebuilt binary: then BL32 must point to the image file 418 # that will be included in the FIP 419 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 420 # over the sources. 421endif 422 423################################################################################ 424# Include the platform specific Makefile after the SPD Makefile (the platform 425# makefile may use all previous definitions in this file) 426################################################################################ 427 428include ${PLAT_MAKEFILE_FULL} 429 430$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 431 432ifeq (${ARM_ARCH_MAJOR},7) 433include make_helpers/armv7-a-cpus.mk 434endif 435 436ifeq ($(ENABLE_PIE),1) 437 TF_CFLAGS += -fpie 438 ifneq ($(findstring gcc,$(notdir $(LD))),) 439 TF_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 440 else 441 TF_LDFLAGS += -pie --no-dynamic-linker 442 endif 443else 444 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 445 ifneq ($(PIE_FOUND),) 446 TF_CFLAGS += -fno-PIE 447 endif 448endif 449 450# Include the CPU specific operations makefile, which provides default 451# values for all CPU errata workarounds and CPU specific optimisations. 452# This can be overridden by the platform. 453include lib/cpus/cpu-ops.mk 454 455ifeq (${ARCH},aarch32) 456NEED_BL32 := yes 457 458################################################################################ 459# Build `AARCH32_SP` as BL32 image for AArch32 460################################################################################ 461ifneq (${AARCH32_SP},none) 462# We expect to locate an sp.mk under the specified AARCH32_SP directory 463AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 464 465ifeq (${AARCH32_SP_MAKE},) 466 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 467endif 468 469$(info Including ${AARCH32_SP_MAKE}) 470include ${AARCH32_SP_MAKE} 471endif 472 473endif 474 475################################################################################ 476# Include libc if not overridden 477################################################################################ 478ifeq (${OVERRIDE_LIBC},0) 479include lib/libc/libc.mk 480endif 481 482################################################################################ 483# Check incompatible options 484################################################################################ 485 486ifdef EL3_PAYLOAD_BASE 487 ifdef PRELOADED_BL33_BASE 488 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 489 incompatible build options. EL3_PAYLOAD_BASE has priority.") 490 endif 491 ifneq (${GENERATE_COT},0) 492 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 493 endif 494 ifneq (${TRUSTED_BOARD_BOOT},0) 495 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 496 endif 497endif 498 499ifeq (${NEED_BL33},yes) 500 ifdef EL3_PAYLOAD_BASE 501 $(warning "BL33 image is not needed when option \ 502 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 503 endif 504 ifdef PRELOADED_BL33_BASE 505 $(warning "BL33 image is not needed when option \ 506 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 507 file.") 508 endif 509endif 510 511# When building for systems with hardware-assisted coherency, there's no need to 512# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 513ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 514$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 515endif 516 517#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 518ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 519$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 520endif 521 522# For RAS_EXTENSION, require that EAs are handled in EL3 first 523ifeq ($(RAS_EXTENSION),1) 524 ifneq ($(HANDLE_EA_EL3_FIRST),1) 525 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 526 endif 527endif 528 529# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 530ifeq ($(FAULT_INJECTION_SUPPORT),1) 531 ifneq ($(RAS_EXTENSION),1) 532 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 533 endif 534endif 535 536# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 537ifeq ($(DYN_DISABLE_AUTH), 1) 538 ifeq (${TRUSTED_BOARD_BOOT}, 0) 539 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 540 endif 541endif 542 543# If pointer authentication is used in the firmware, make sure that all the 544# registers associated to it are also saved and restored. 545# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 546ifeq ($(ENABLE_PAUTH),1) 547 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 548 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 549 endif 550endif 551 552ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 553 ifneq (${ARCH},aarch64) 554 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 555 else 556 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 557 endif 558endif 559 560ifeq ($(ENABLE_PAUTH),1) 561 $(info Pointer Authentication is an experimental feature) 562endif 563 564ifeq ($(ENABLE_BTI),1) 565 $(info Branch Protection is an experimental feature) 566endif 567 568ifeq ($(CTX_INCLUDE_MTE_REGS),1) 569 ifneq (${ARCH},aarch64) 570 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 571 else 572 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 573 endif 574endif 575 576################################################################################ 577# Process platform overrideable behaviour 578################################################################################ 579 580# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 581# Certificate generation tools. This flag can be overridden by the platform. 582ifdef BL2_SOURCES 583 ifdef EL3_PAYLOAD_BASE 584 # If booting an EL3 payload there is no need for a BL33 image 585 # in the FIP file. 586 NEED_BL33 := no 587 else 588 ifdef PRELOADED_BL33_BASE 589 # If booting a BL33 preloaded image there is no need of 590 # another one in the FIP file. 591 NEED_BL33 := no 592 else 593 NEED_BL33 ?= yes 594 endif 595 endif 596endif 597 598# If SCP_BL2 is given, we always want FIP to include it. 599ifdef SCP_BL2 600 NEED_SCP_BL2 := yes 601endif 602 603# For AArch32, BL31 is not currently supported. 604ifneq (${ARCH},aarch32) 605 ifdef BL31_SOURCES 606 # When booting an EL3 payload, there is no need to compile the BL31 image nor 607 # put it in the FIP. 608 ifndef EL3_PAYLOAD_BASE 609 NEED_BL31 := yes 610 endif 611 endif 612endif 613 614# Process TBB related flags 615ifneq (${GENERATE_COT},0) 616 # Common cert_create options 617 ifneq (${CREATE_KEYS},0) 618 $(eval CRT_ARGS += -n) 619 $(eval FWU_CRT_ARGS += -n) 620 ifneq (${SAVE_KEYS},0) 621 $(eval CRT_ARGS += -k) 622 $(eval FWU_CRT_ARGS += -k) 623 endif 624 endif 625 # Include TBBR makefile (unless the platform indicates otherwise) 626 ifeq (${INCLUDE_TBBR_MK},1) 627 include make_helpers/tbbr/tbbr_tools.mk 628 endif 629endif 630 631ifneq (${FIP_ALIGN},0) 632FIP_ARGS += --align ${FIP_ALIGN} 633endif 634 635################################################################################ 636# Include libraries' Makefile that are used in all BL 637################################################################################ 638 639include lib/stack_protector/stack_protector.mk 640 641################################################################################ 642# Auxiliary tools (fiptool, cert_create, etc) 643################################################################################ 644 645# Variables for use with Certificate Generation Tool 646CRTTOOLPATH ?= tools/cert_create 647CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 648 649# Variables for use with Firmware Image Package 650FIPTOOLPATH ?= tools/fiptool 651FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 652 653# Variables for use with sptool 654SPTOOLPATH ?= tools/sptool 655SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 656 657# Variables for use with ROMLIB 658ROMLIBPATH ?= lib/romlib 659 660# Variable for use with Python 661PYTHON ?= python3 662 663# Variables for use with PRINT_MEMORY_MAP 664PRINT_MEMORY_MAP_PATH ?= tools/memory 665PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 666 667################################################################################ 668# Include BL specific makefiles 669################################################################################ 670ifdef BL1_SOURCES 671NEED_BL1 := yes 672include bl1/bl1.mk 673endif 674 675ifdef BL2_SOURCES 676NEED_BL2 := yes 677include bl2/bl2.mk 678endif 679 680ifdef BL2U_SOURCES 681NEED_BL2U := yes 682include bl2u/bl2u.mk 683endif 684 685ifeq (${NEED_BL31},yes) 686ifdef BL31_SOURCES 687include bl31/bl31.mk 688endif 689endif 690 691ifdef FDT_SOURCES 692NEED_FDT := yes 693endif 694 695################################################################################ 696# Build options checks 697################################################################################ 698 699$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 700$(eval $(call assert_boolean,CREATE_KEYS)) 701$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 702$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 703$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 704$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 705$(eval $(call assert_boolean,DEBUG)) 706$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 707$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 708$(eval $(call assert_boolean,ENABLE_AMU)) 709$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 710$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 711$(eval $(call assert_boolean,ENABLE_PIE)) 712$(eval $(call assert_boolean,ENABLE_PMF)) 713$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 714$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 715$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 716$(eval $(call assert_boolean,ENABLE_SPM)) 717$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 718$(eval $(call assert_boolean,ERROR_DEPRECATED)) 719$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 720$(eval $(call assert_boolean,GENERATE_COT)) 721$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 722$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 723$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 724$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 725$(eval $(call assert_boolean,OVERRIDE_LIBC)) 726$(eval $(call assert_boolean,PL011_GENERIC_UART)) 727$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 728$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 729$(eval $(call assert_boolean,RAS_EXTENSION)) 730$(eval $(call assert_boolean,RESET_TO_BL31)) 731$(eval $(call assert_boolean,SAVE_KEYS)) 732$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 733$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 734$(eval $(call assert_boolean,SPM_MM)) 735$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 736$(eval $(call assert_boolean,USE_COHERENT_MEM)) 737$(eval $(call assert_boolean,USE_ROMLIB)) 738$(eval $(call assert_boolean,USE_TBBR_DEFS)) 739$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 740$(eval $(call assert_boolean,BL2_AT_EL3)) 741$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 742$(eval $(call assert_boolean,BL2_INV_DCACHE)) 743$(eval $(call assert_boolean,USE_SPINLOCK_CAS)) 744 745$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 746$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 747$(eval $(call assert_numeric,BRANCH_PROTECTION)) 748 749ifdef KEY_SIZE 750 $(eval $(call assert_numeric,KEY_SIZE)) 751endif 752 753ifeq ($(filter $(SANITIZE_UB), on off trap),) 754 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 755endif 756 757################################################################################ 758# Add definitions to the cpp preprocessor based on the current build options. 759# This is done after including the platform specific makefile to allow the 760# platform to overwrite the default options 761################################################################################ 762 763$(eval $(call add_define,ARM_ARCH_MAJOR)) 764$(eval $(call add_define,ARM_ARCH_MINOR)) 765$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 766$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 767$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 768$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 769$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 770$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 771$(eval $(call add_define,ENABLE_AMU)) 772$(eval $(call add_define,ENABLE_ASSERTIONS)) 773$(eval $(call add_define,ENABLE_BTI)) 774$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 775$(eval $(call add_define,ENABLE_PAUTH)) 776$(eval $(call add_define,ENABLE_PIE)) 777$(eval $(call add_define,ENABLE_PMF)) 778$(eval $(call add_define,ENABLE_PSCI_STAT)) 779$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 780$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 781$(eval $(call add_define,ENABLE_SPM)) 782$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 783$(eval $(call add_define,ERROR_DEPRECATED)) 784$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 785$(eval $(call add_define,GICV2_G0_FOR_EL3)) 786$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 787$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 788$(eval $(call add_define,LOG_LEVEL)) 789$(eval $(call add_define,NS_TIMER_SWITCH)) 790$(eval $(call add_define,PL011_GENERIC_UART)) 791$(eval $(call add_define,PLAT_${PLAT})) 792$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 793$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 794$(eval $(call add_define,RAS_EXTENSION)) 795$(eval $(call add_define,RESET_TO_BL31)) 796$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 797$(eval $(call add_define,RECLAIM_INIT_CODE)) 798$(eval $(call add_define,SPD_${SPD})) 799$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 800$(eval $(call add_define,SPM_MM)) 801$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 802$(eval $(call add_define,USE_COHERENT_MEM)) 803$(eval $(call add_define,USE_ROMLIB)) 804$(eval $(call add_define,USE_TBBR_DEFS)) 805$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 806$(eval $(call add_define,BL2_AT_EL3)) 807$(eval $(call add_define,BL2_IN_XIP_MEM)) 808$(eval $(call add_define,BL2_INV_DCACHE)) 809$(eval $(call add_define,USE_SPINLOCK_CAS)) 810 811ifeq (${SANITIZE_UB},trap) 812 $(eval $(call add_define,MONITOR_TRAPS)) 813endif 814 815# Define the EL3_PAYLOAD_BASE flag only if it is provided. 816ifdef EL3_PAYLOAD_BASE 817 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 818else 819 # Define the PRELOADED_BL33_BASE flag only if it is provided and 820 # EL3_PAYLOAD_BASE is not defined, as it has priority. 821 ifdef PRELOADED_BL33_BASE 822 $(eval $(call add_define,PRELOADED_BL33_BASE)) 823 endif 824endif 825 826# Define the DYN_DISABLE_AUTH flag only if set. 827ifeq (${DYN_DISABLE_AUTH},1) 828$(eval $(call add_define,DYN_DISABLE_AUTH)) 829endif 830 831ifneq ($(findstring armlink,$(notdir $(LD))),) 832$(eval $(call add_define,USE_ARM_LINK)) 833endif 834 835################################################################################ 836# Build targets 837################################################################################ 838 839.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs memmap 840.SUFFIXES: 841 842all: msg_start 843 844msg_start: 845 @echo "Building ${PLAT}" 846 847ifeq (${ERROR_DEPRECATED},0) 848# Check if deprecated declarations and cpp warnings should be treated as error or not. 849ifneq ($(findstring clang,$(notdir $(CC))),) 850 CPPFLAGS += -Wno-error=deprecated-declarations 851else 852 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 853endif 854# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 855ASFLAGS += -D__ASSEMBLY__ 856# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 857ifeq (${ARCH},aarch32) 858 $(eval $(call add_define,AARCH32)) 859else 860 $(eval $(call add_define,AARCH64)) 861endif 862endif # !ERROR_DEPRECATED 863 864$(eval $(call MAKE_LIB_DIRS)) 865$(eval $(call MAKE_LIB,c)) 866 867# Expand build macros for the different images 868ifeq (${NEED_BL1},yes) 869$(eval $(call MAKE_BL,1)) 870endif 871 872ifeq (${NEED_BL2},yes) 873ifeq (${BL2_AT_EL3}, 0) 874FIP_BL2_ARGS := tb-fw 875endif 876 877$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 878 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 879endif 880 881ifeq (${NEED_SCP_BL2},yes) 882$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 883endif 884 885ifeq (${NEED_BL31},yes) 886BL31_SOURCES += ${SPD_SOURCES} 887$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 888 $(eval $(call MAKE_BL,31,soc-fw))) 889endif 890 891# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 892# build system will call TOOL_ADD_IMG to print a warning message and abort the 893# process. Note that the dependency on BL32 applies to the FIP only. 894ifeq (${NEED_BL32},yes) 895 896BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 897 898$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 899 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 900endif 901 902# Add the BL33 image if required by the platform 903ifeq (${NEED_BL33},yes) 904$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 905endif 906 907ifeq (${NEED_BL2U},yes) 908$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 909 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 910endif 911 912# Expand build macros for the different images 913ifeq (${NEED_FDT},yes) 914 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 915endif 916 917locate-checkpatch: 918ifndef CHECKPATCH 919 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 920else 921ifeq (,$(wildcard ${CHECKPATCH})) 922 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 923endif 924endif 925 926clean: 927 @echo " CLEAN" 928 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 929 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 930 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 931 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 932 933realclean distclean: 934 @echo " REALCLEAN" 935 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 936 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 937 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 938 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 939 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 940 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 941 942checkcodebase: locate-checkpatch 943 @echo " CHECKING STYLE" 944 @if test -d .git ; then \ 945 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 946 while read GIT_FILE ; \ 947 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 948 done ; \ 949 else \ 950 find . -type f -not -iwholename "*.git*" \ 951 -not -iwholename "*build*" \ 952 -not -iwholename "*libfdt*" \ 953 -not -iwholename "*libc*" \ 954 -not -iwholename "*docs*" \ 955 -not -iwholename "*.rst" \ 956 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 957 fi 958 959checkpatch: locate-checkpatch 960 @echo " CHECKING STYLE" 961 @if test -n "${CHECKPATCH_OPTS}"; then \ 962 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 963 fi 964 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 965 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 966 printf "\n[*] Checking style of '$$commit'\n\n"; \ 967 git log --format=email "$$commit~..$$commit" \ 968 -- ${CHECK_PATHS} | \ 969 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 970 git diff --format=email "$$commit~..$$commit" \ 971 -- ${CHECK_PATHS} | \ 972 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 973 done 974 975certtool: ${CRTTOOL} 976 977.PHONY: ${CRTTOOL} 978${CRTTOOL}: 979 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 980 @${ECHO_BLANK_LINE} 981 @echo "Built $@ successfully" 982 @${ECHO_BLANK_LINE} 983 984ifneq (${GENERATE_COT},0) 985certificates: ${CRT_DEPS} ${CRTTOOL} 986 ${Q}${CRTTOOL} ${CRT_ARGS} 987 @${ECHO_BLANK_LINE} 988 @echo "Built $@ successfully" 989 @echo "Certificates can be found in ${BUILD_PLAT}" 990 @${ECHO_BLANK_LINE} 991endif 992 993${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 994 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 995 ${Q}${FIPTOOL} info $@ 996 @${ECHO_BLANK_LINE} 997 @echo "Built $@ successfully" 998 @${ECHO_BLANK_LINE} 999 1000ifneq (${GENERATE_COT},0) 1001fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1002 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1003 @${ECHO_BLANK_LINE} 1004 @echo "Built $@ successfully" 1005 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1006 @${ECHO_BLANK_LINE} 1007endif 1008 1009${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1010 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1011 ${Q}${FIPTOOL} info $@ 1012 @${ECHO_BLANK_LINE} 1013 @echo "Built $@ successfully" 1014 @${ECHO_BLANK_LINE} 1015 1016fiptool: ${FIPTOOL} 1017fip: ${BUILD_PLAT}/${FIP_NAME} 1018fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1019 1020.PHONY: ${FIPTOOL} 1021${FIPTOOL}: 1022 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 1023 1024sptool: ${SPTOOL} 1025.PHONY: ${SPTOOL} 1026${SPTOOL}: 1027 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 1028 1029.PHONY: libraries 1030romlib.bin: libraries 1031 ${Q}${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 1032 1033# Call print_memory_map tool 1034memmap: all 1035 ${Q}${PYTHON} $(PRINT_MEMORY_MAP) $(BUILD_PLAT) 1036 1037cscope: 1038 @echo " CSCOPE" 1039 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1040 ${Q}cscope -b -q -k 1041 1042help: 1043 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1044 @echo "" 1045 @echo "PLAT is used to specify which platform you wish to build." 1046 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1047 @echo "" 1048 @echo "platform = ${PLATFORM_LIST}" 1049 @echo "" 1050 @echo "Please refer to the User Guide for a list of all supported options." 1051 @echo "Note that the build system doesn't track dependencies for build " 1052 @echo "options. Therefore, if any of the build options are changed " 1053 @echo "from a previous build, a clean build must be performed." 1054 @echo "" 1055 @echo "Supported Targets:" 1056 @echo " all Build all individual bootloader binaries" 1057 @echo " bl1 Build the BL1 binary" 1058 @echo " bl2 Build the BL2 binary" 1059 @echo " bl2u Build the BL2U binary" 1060 @echo " bl31 Build the BL31 binary" 1061 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1062 @echo " this builds secure payload specified by AARCH32_SP" 1063 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1064 @echo " fip Build the Firmware Image Package (FIP)" 1065 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1066 @echo " checkcodebase Check the coding style of the entire source tree" 1067 @echo " checkpatch Check the coding style on changes in the current" 1068 @echo " branch against BASE_COMMIT (default origin/master)" 1069 @echo " clean Clean the build for the selected platform" 1070 @echo " cscope Generate cscope index" 1071 @echo " distclean Remove all build artifacts for all platforms" 1072 @echo " certtool Build the Certificate generation tool" 1073 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1074 @echo " sptool Build the Secure Partition Package creation tool" 1075 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1076 @echo " memmap Print the memory map of the built binaries" 1077 @echo "" 1078 @echo "Note: most build targets require PLAT to be set to a specific platform." 1079 @echo "" 1080 @echo "example: build all targets for the FVP platform:" 1081 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1082