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 = $(march64-directive) 242 243# General warnings 244WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 245 -Wdisabled-optimization -Wvla -Wshadow \ 246 -Wno-unused-parameter 247 248# Additional warnings 249# Level 1 250WARNING1 := -Wextra 251WARNING1 += -Wmissing-format-attribute 252WARNING1 += -Wmissing-prototypes 253WARNING1 += -Wold-style-definition 254 255# Level 2 256WARNING2 := -Waggregate-return 257WARNING2 += -Wcast-align 258WARNING2 += -Wnested-externs 259 260WARNING3 := -Wbad-function-cast 261WARNING3 += -Wcast-qual 262WARNING3 += -Wconversion 263WARNING3 += -Wpacked 264WARNING3 += -Wpointer-arith 265WARNING3 += -Wredundant-decls 266WARNING3 += -Wswitch-default 267 268ifeq (${W},1) 269WARNINGS += $(WARNING1) 270else ifeq (${W},2) 271WARNINGS += $(WARNING1) $(WARNING2) 272else ifeq (${W},3) 273WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 274endif 275 276# Compiler specific warnings 277ifeq ($(findstring clang,$(notdir $(CC))),) 278# not using clang 279WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 280 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 281 -Wlogical-op 282else 283# using clang 284WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 285 -Wlogical-op-parentheses 286endif 287 288ifneq (${E},0) 289ERRORS := -Werror 290endif 291 292CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 293 $(ERRORS) $(WARNINGS) 294ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 295 -ffreestanding -Wa,--fatal-warnings 296TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 297 -ffunction-sections -fdata-sections \ 298 -ffreestanding -fno-builtin -fno-common \ 299 -Os -std=gnu99 300 301ifeq (${SANITIZE_UB},on) 302TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 303endif 304ifeq (${SANITIZE_UB},trap) 305TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 306 -fsanitize-undefined-trap-on-error 307endif 308 309GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 310 311ifneq ($(findstring armlink,$(notdir $(LD))),) 312TF_LDFLAGS += --diag_error=warning --lto_level=O1 313TF_LDFLAGS += --remove --info=unused,unusedsymbols 314TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 315else ifneq ($(findstring gcc,$(notdir $(LD))),) 316# Pass ld options with Wl or Xlinker switches 317TF_LDFLAGS += -Wl,--fatal-warnings -O1 318TF_LDFLAGS += -Wl,--gc-sections 319ifeq ($(ENABLE_LTO),1) 320 ifeq (${ARCH},aarch64) 321 TF_LDFLAGS += -flto -fuse-linker-plugin 322 endif 323endif 324# GCC automatically adds fix-cortex-a53-843419 flag when used to link 325# which breaks some builds, so disable if errata fix is not explicitly enabled 326ifneq (${ERRATA_A53_843419},1) 327 TF_LDFLAGS += -mno-fix-cortex-a53-843419 328endif 329TF_LDFLAGS += -nostdlib 330TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 331else 332TF_LDFLAGS += --fatal-warnings -O1 333TF_LDFLAGS += --gc-sections 334TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 335endif 336 337DTC_FLAGS += -I dts -O dtb 338DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 339 340################################################################################ 341# Common sources and include directories 342################################################################################ 343include lib/compiler-rt/compiler-rt.mk 344 345BL_COMMON_SOURCES += common/bl_common.c \ 346 common/tf_log.c \ 347 common/${ARCH}/debug.S \ 348 drivers/console/multi_console.c \ 349 lib/${ARCH}/cache_helpers.S \ 350 lib/${ARCH}/misc_helpers.S \ 351 plat/common/plat_bl_common.c \ 352 plat/common/plat_log_common.c \ 353 plat/common/${ARCH}/plat_common.c \ 354 plat/common/${ARCH}/platform_helpers.S \ 355 ${COMPILER_RT_SRCS} 356 357ifeq ($(notdir $(CC)),armclang) 358BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 359endif 360 361ifeq (${SANITIZE_UB},on) 362BL_COMMON_SOURCES += plat/common/ubsan.c 363endif 364 365INCLUDES += -Iinclude \ 366 -Iinclude/arch/${ARCH} \ 367 -Iinclude/lib/cpus/${ARCH} \ 368 -Iinclude/lib/el3_runtime/${ARCH} \ 369 ${PLAT_INCLUDES} \ 370 ${SPD_INCLUDES} 371 372include common/backtrace/backtrace.mk 373 374################################################################################ 375# Generic definitions 376################################################################################ 377 378include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 379 380BUILD_BASE := ./build 381BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 382 383SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 384 385# Platforms providing their own TBB makefile may override this value 386INCLUDE_TBBR_MK := 1 387 388 389################################################################################ 390# Include SPD Makefile if one has been specified 391################################################################################ 392 393ifneq (${SPD},none) 394ifeq (${ARCH},aarch32) 395 $(error "Error: SPD is incompatible with AArch32.") 396endif 397ifdef EL3_PAYLOAD_BASE 398 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 399 $(warning "The SPD and its BL32 companion will be present but ignored.") 400endif 401 # We expect to locate an spd.mk under the specified SPD directory 402 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 403 404 ifeq (${SPD_MAKE},) 405 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 406 endif 407 $(info Including ${SPD_MAKE}) 408 include ${SPD_MAKE} 409 410 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 411 # Makefile would set NEED_BL32 to "yes". In this case, the build system 412 # supports two mutually exclusive options: 413 # * BL32 is built from source: then BL32_SOURCES must contain the list 414 # of source files to build BL32 415 # * BL32 is a prebuilt binary: then BL32 must point to the image file 416 # that will be included in the FIP 417 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 418 # over the sources. 419endif 420 421################################################################################ 422# Include the platform specific Makefile after the SPD Makefile (the platform 423# makefile may use all previous definitions in this file) 424################################################################################ 425 426include ${PLAT_MAKEFILE_FULL} 427 428$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 429 430ifeq (${ARM_ARCH_MAJOR},7) 431include make_helpers/armv7-a-cpus.mk 432endif 433 434ifeq ($(ENABLE_PIE),1) 435 TF_CFLAGS += -fpie 436 ifneq ($(findstring gcc,$(notdir $(LD))),) 437 TF_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 438 else 439 TF_LDFLAGS += -pie --no-dynamic-linker 440 endif 441else 442 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 443 ifneq ($(PIE_FOUND),) 444 TF_CFLAGS += -fno-PIE 445 endif 446endif 447 448# Include the CPU specific operations makefile, which provides default 449# values for all CPU errata workarounds and CPU specific optimisations. 450# This can be overridden by the platform. 451include lib/cpus/cpu-ops.mk 452 453ifeq (${ARCH},aarch32) 454NEED_BL32 := yes 455 456################################################################################ 457# Build `AARCH32_SP` as BL32 image for AArch32 458################################################################################ 459ifneq (${AARCH32_SP},none) 460# We expect to locate an sp.mk under the specified AARCH32_SP directory 461AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 462 463ifeq (${AARCH32_SP_MAKE},) 464 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 465endif 466 467$(info Including ${AARCH32_SP_MAKE}) 468include ${AARCH32_SP_MAKE} 469endif 470 471endif 472 473################################################################################ 474# Include libc if not overridden 475################################################################################ 476ifeq (${OVERRIDE_LIBC},0) 477include lib/libc/libc.mk 478endif 479 480################################################################################ 481# Check incompatible options 482################################################################################ 483 484ifdef EL3_PAYLOAD_BASE 485 ifdef PRELOADED_BL33_BASE 486 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 487 incompatible build options. EL3_PAYLOAD_BASE has priority.") 488 endif 489 ifneq (${GENERATE_COT},0) 490 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 491 endif 492 ifneq (${TRUSTED_BOARD_BOOT},0) 493 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 494 endif 495endif 496 497ifeq (${NEED_BL33},yes) 498 ifdef EL3_PAYLOAD_BASE 499 $(warning "BL33 image is not needed when option \ 500 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 501 endif 502 ifdef PRELOADED_BL33_BASE 503 $(warning "BL33 image is not needed when option \ 504 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 505 file.") 506 endif 507endif 508 509# When building for systems with hardware-assisted coherency, there's no need to 510# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 511ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 512$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 513endif 514 515#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 516ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 517$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 518endif 519 520# For RAS_EXTENSION, require that EAs are handled in EL3 first 521ifeq ($(RAS_EXTENSION),1) 522 ifneq ($(HANDLE_EA_EL3_FIRST),1) 523 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 524 endif 525endif 526 527# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 528ifeq ($(FAULT_INJECTION_SUPPORT),1) 529 ifneq ($(RAS_EXTENSION),1) 530 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 531 endif 532endif 533 534# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 535ifeq ($(DYN_DISABLE_AUTH), 1) 536 ifeq (${TRUSTED_BOARD_BOOT}, 0) 537 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 538 endif 539endif 540 541# If pointer authentication is used in the firmware, make sure that all the 542# registers associated to it are also saved and restored. 543# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 544ifeq ($(ENABLE_PAUTH),1) 545 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 546 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 547 endif 548endif 549 550ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 551 ifneq (${ARCH},aarch64) 552 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 553 else 554 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 555 endif 556endif 557 558ifeq ($(ENABLE_PAUTH),1) 559 $(info Pointer Authentication is an experimental feature) 560endif 561 562ifeq ($(ENABLE_BTI),1) 563 $(info Branch Protection is an experimental feature) 564endif 565 566ifeq ($(CTX_INCLUDE_MTE_REGS),1) 567 ifneq (${ARCH},aarch64) 568 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 569 else 570 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 571 endif 572endif 573 574# The SPCI-based SPM implementation and the MM-based SPM implementation cannot 575# be enabled at the same time. 576ifeq ($(ENABLE_SPM),1) 577 ifeq ($(SPM_MM),1) 578 $(error Use only one of the ENABLE_SPM and SPM_MM flags) 579 endif 580endif 581 582################################################################################ 583# Process platform overrideable behaviour 584################################################################################ 585 586# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 587# Certificate generation tools. This flag can be overridden by the platform. 588ifdef BL2_SOURCES 589 ifdef EL3_PAYLOAD_BASE 590 # If booting an EL3 payload there is no need for a BL33 image 591 # in the FIP file. 592 NEED_BL33 := no 593 else 594 ifdef PRELOADED_BL33_BASE 595 # If booting a BL33 preloaded image there is no need of 596 # another one in the FIP file. 597 NEED_BL33 := no 598 else 599 NEED_BL33 ?= yes 600 endif 601 endif 602endif 603 604# If SCP_BL2 is given, we always want FIP to include it. 605ifdef SCP_BL2 606 NEED_SCP_BL2 := yes 607endif 608 609# For AArch32, BL31 is not currently supported. 610ifneq (${ARCH},aarch32) 611 ifdef BL31_SOURCES 612 # When booting an EL3 payload, there is no need to compile the BL31 image nor 613 # put it in the FIP. 614 ifndef EL3_PAYLOAD_BASE 615 NEED_BL31 := yes 616 endif 617 endif 618endif 619 620# Process TBB related flags 621ifneq (${GENERATE_COT},0) 622 # Common cert_create options 623 ifneq (${CREATE_KEYS},0) 624 $(eval CRT_ARGS += -n) 625 $(eval FWU_CRT_ARGS += -n) 626 ifneq (${SAVE_KEYS},0) 627 $(eval CRT_ARGS += -k) 628 $(eval FWU_CRT_ARGS += -k) 629 endif 630 endif 631 # Include TBBR makefile (unless the platform indicates otherwise) 632 ifeq (${INCLUDE_TBBR_MK},1) 633 include make_helpers/tbbr/tbbr_tools.mk 634 endif 635endif 636 637ifneq (${FIP_ALIGN},0) 638FIP_ARGS += --align ${FIP_ALIGN} 639endif 640 641################################################################################ 642# Include libraries' Makefile that are used in all BL 643################################################################################ 644 645include lib/stack_protector/stack_protector.mk 646 647################################################################################ 648# Auxiliary tools (fiptool, cert_create, etc) 649################################################################################ 650 651# Variables for use with Certificate Generation Tool 652CRTTOOLPATH ?= tools/cert_create 653CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 654 655# Variables for use with Firmware Image Package 656FIPTOOLPATH ?= tools/fiptool 657FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 658 659# Variables for use with sptool 660SPTOOLPATH ?= tools/sptool 661SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 662 663# Variables for use with ROMLIB 664ROMLIBPATH ?= lib/romlib 665 666# Variable for use with Python 667PYTHON ?= python3 668 669# Variables for use with PRINT_MEMORY_MAP 670PRINT_MEMORY_MAP_PATH ?= tools/memory 671PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 672 673################################################################################ 674# Include BL specific makefiles 675################################################################################ 676ifdef BL1_SOURCES 677NEED_BL1 := yes 678include bl1/bl1.mk 679endif 680 681ifdef BL2_SOURCES 682NEED_BL2 := yes 683include bl2/bl2.mk 684endif 685 686ifdef BL2U_SOURCES 687NEED_BL2U := yes 688include bl2u/bl2u.mk 689endif 690 691ifeq (${NEED_BL31},yes) 692ifdef BL31_SOURCES 693include bl31/bl31.mk 694endif 695endif 696 697ifdef FDT_SOURCES 698NEED_FDT := yes 699endif 700 701################################################################################ 702# Build options checks 703################################################################################ 704 705$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 706$(eval $(call assert_boolean,CREATE_KEYS)) 707$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 708$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 709$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 710$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 711$(eval $(call assert_boolean,DEBUG)) 712$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 713$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 714$(eval $(call assert_boolean,ENABLE_AMU)) 715$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 716$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 717$(eval $(call assert_boolean,ENABLE_PIE)) 718$(eval $(call assert_boolean,ENABLE_PMF)) 719$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 720$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 721$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 722$(eval $(call assert_boolean,ENABLE_SPM)) 723$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 724$(eval $(call assert_boolean,ERROR_DEPRECATED)) 725$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 726$(eval $(call assert_boolean,GENERATE_COT)) 727$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 728$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 729$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 730$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 731$(eval $(call assert_boolean,OVERRIDE_LIBC)) 732$(eval $(call assert_boolean,PL011_GENERIC_UART)) 733$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 734$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 735$(eval $(call assert_boolean,RAS_EXTENSION)) 736$(eval $(call assert_boolean,RESET_TO_BL31)) 737$(eval $(call assert_boolean,SAVE_KEYS)) 738$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 739$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 740$(eval $(call assert_boolean,SPM_MM)) 741$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 742$(eval $(call assert_boolean,USE_COHERENT_MEM)) 743$(eval $(call assert_boolean,USE_ROMLIB)) 744$(eval $(call assert_boolean,USE_TBBR_DEFS)) 745$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 746$(eval $(call assert_boolean,BL2_AT_EL3)) 747$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 748$(eval $(call assert_boolean,BL2_INV_DCACHE)) 749$(eval $(call assert_boolean,USE_SPINLOCK_CAS)) 750 751$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 752$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 753$(eval $(call assert_numeric,BRANCH_PROTECTION)) 754 755ifdef KEY_SIZE 756 $(eval $(call assert_numeric,KEY_SIZE)) 757endif 758 759ifeq ($(filter $(SANITIZE_UB), on off trap),) 760 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 761endif 762 763################################################################################ 764# Add definitions to the cpp preprocessor based on the current build options. 765# This is done after including the platform specific makefile to allow the 766# platform to overwrite the default options 767################################################################################ 768 769$(eval $(call add_define,ARM_ARCH_MAJOR)) 770$(eval $(call add_define,ARM_ARCH_MINOR)) 771$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 772$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 773$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 774$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 775$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 776$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 777$(eval $(call add_define,ENABLE_AMU)) 778$(eval $(call add_define,ENABLE_ASSERTIONS)) 779$(eval $(call add_define,ENABLE_BTI)) 780$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 781$(eval $(call add_define,ENABLE_PAUTH)) 782$(eval $(call add_define,ENABLE_PIE)) 783$(eval $(call add_define,ENABLE_PMF)) 784$(eval $(call add_define,ENABLE_PSCI_STAT)) 785$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 786$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 787$(eval $(call add_define,ENABLE_SPM)) 788$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 789$(eval $(call add_define,ERROR_DEPRECATED)) 790$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 791$(eval $(call add_define,GICV2_G0_FOR_EL3)) 792$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 793$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 794$(eval $(call add_define,LOG_LEVEL)) 795$(eval $(call add_define,NS_TIMER_SWITCH)) 796$(eval $(call add_define,PL011_GENERIC_UART)) 797$(eval $(call add_define,PLAT_${PLAT})) 798$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 799$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 800$(eval $(call add_define,RAS_EXTENSION)) 801$(eval $(call add_define,RESET_TO_BL31)) 802$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 803$(eval $(call add_define,RECLAIM_INIT_CODE)) 804$(eval $(call add_define,SPD_${SPD})) 805$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 806$(eval $(call add_define,SPM_MM)) 807$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 808$(eval $(call add_define,USE_COHERENT_MEM)) 809$(eval $(call add_define,USE_ROMLIB)) 810$(eval $(call add_define,USE_TBBR_DEFS)) 811$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 812$(eval $(call add_define,BL2_AT_EL3)) 813$(eval $(call add_define,BL2_IN_XIP_MEM)) 814$(eval $(call add_define,BL2_INV_DCACHE)) 815$(eval $(call add_define,USE_SPINLOCK_CAS)) 816 817ifeq (${SANITIZE_UB},trap) 818 $(eval $(call add_define,MONITOR_TRAPS)) 819endif 820 821# Define the EL3_PAYLOAD_BASE flag only if it is provided. 822ifdef EL3_PAYLOAD_BASE 823 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 824else 825 # Define the PRELOADED_BL33_BASE flag only if it is provided and 826 # EL3_PAYLOAD_BASE is not defined, as it has priority. 827 ifdef PRELOADED_BL33_BASE 828 $(eval $(call add_define,PRELOADED_BL33_BASE)) 829 endif 830endif 831 832# Define the DYN_DISABLE_AUTH flag only if set. 833ifeq (${DYN_DISABLE_AUTH},1) 834$(eval $(call add_define,DYN_DISABLE_AUTH)) 835endif 836 837ifneq ($(findstring armlink,$(notdir $(LD))),) 838$(eval $(call add_define,USE_ARM_LINK)) 839endif 840 841################################################################################ 842# Build targets 843################################################################################ 844 845.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs memmap 846.SUFFIXES: 847 848all: msg_start 849 850msg_start: 851 @echo "Building ${PLAT}" 852 853ifeq (${ERROR_DEPRECATED},0) 854# Check if deprecated declarations and cpp warnings should be treated as error or not. 855ifneq ($(findstring clang,$(notdir $(CC))),) 856 CPPFLAGS += -Wno-error=deprecated-declarations 857else 858 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 859endif 860# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 861ASFLAGS += -D__ASSEMBLY__ 862# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 863ifeq (${ARCH},aarch32) 864 $(eval $(call add_define,AARCH32)) 865else 866 $(eval $(call add_define,AARCH64)) 867endif 868endif # !ERROR_DEPRECATED 869 870$(eval $(call MAKE_LIB_DIRS)) 871$(eval $(call MAKE_LIB,c)) 872 873# Expand build macros for the different images 874ifeq (${NEED_BL1},yes) 875$(eval $(call MAKE_BL,1)) 876endif 877 878ifeq (${NEED_BL2},yes) 879ifeq (${BL2_AT_EL3}, 0) 880FIP_BL2_ARGS := tb-fw 881endif 882 883$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 884 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 885endif 886 887ifeq (${NEED_SCP_BL2},yes) 888$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 889endif 890 891ifeq (${NEED_BL31},yes) 892BL31_SOURCES += ${SPD_SOURCES} 893$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 894 $(eval $(call MAKE_BL,31,soc-fw))) 895endif 896 897# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 898# build system will call TOOL_ADD_IMG to print a warning message and abort the 899# process. Note that the dependency on BL32 applies to the FIP only. 900ifeq (${NEED_BL32},yes) 901 902BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 903 904$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 905 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 906endif 907 908# Add the BL33 image if required by the platform 909ifeq (${NEED_BL33},yes) 910$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 911endif 912 913ifeq (${NEED_BL2U},yes) 914$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 915 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 916endif 917 918# Expand build macros for the different images 919ifeq (${NEED_FDT},yes) 920 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 921endif 922 923locate-checkpatch: 924ifndef CHECKPATCH 925 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 926else 927ifeq (,$(wildcard ${CHECKPATCH})) 928 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 929endif 930endif 931 932clean: 933 @echo " CLEAN" 934 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 935 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 936 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 937 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 938 939realclean distclean: 940 @echo " REALCLEAN" 941 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 942 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 943 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 944 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 945 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 946 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 947 948checkcodebase: locate-checkpatch 949 @echo " CHECKING STYLE" 950 @if test -d .git ; then \ 951 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 952 while read GIT_FILE ; \ 953 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 954 done ; \ 955 else \ 956 find . -type f -not -iwholename "*.git*" \ 957 -not -iwholename "*build*" \ 958 -not -iwholename "*libfdt*" \ 959 -not -iwholename "*libc*" \ 960 -not -iwholename "*docs*" \ 961 -not -iwholename "*.rst" \ 962 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 963 fi 964 965checkpatch: locate-checkpatch 966 @echo " CHECKING STYLE" 967 @if test -n "${CHECKPATCH_OPTS}"; then \ 968 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 969 fi 970 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 971 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 972 printf "\n[*] Checking style of '$$commit'\n\n"; \ 973 git log --format=email "$$commit~..$$commit" \ 974 -- ${CHECK_PATHS} | \ 975 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 976 git diff --format=email "$$commit~..$$commit" \ 977 -- ${CHECK_PATHS} | \ 978 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 979 done 980 981certtool: ${CRTTOOL} 982 983.PHONY: ${CRTTOOL} 984${CRTTOOL}: 985 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 986 @${ECHO_BLANK_LINE} 987 @echo "Built $@ successfully" 988 @${ECHO_BLANK_LINE} 989 990ifneq (${GENERATE_COT},0) 991certificates: ${CRT_DEPS} ${CRTTOOL} 992 ${Q}${CRTTOOL} ${CRT_ARGS} 993 @${ECHO_BLANK_LINE} 994 @echo "Built $@ successfully" 995 @echo "Certificates can be found in ${BUILD_PLAT}" 996 @${ECHO_BLANK_LINE} 997endif 998 999${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1000 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1001 ${Q}${FIPTOOL} info $@ 1002 @${ECHO_BLANK_LINE} 1003 @echo "Built $@ successfully" 1004 @${ECHO_BLANK_LINE} 1005 1006ifneq (${GENERATE_COT},0) 1007fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1008 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1009 @${ECHO_BLANK_LINE} 1010 @echo "Built $@ successfully" 1011 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1012 @${ECHO_BLANK_LINE} 1013endif 1014 1015${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1016 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1017 ${Q}${FIPTOOL} info $@ 1018 @${ECHO_BLANK_LINE} 1019 @echo "Built $@ successfully" 1020 @${ECHO_BLANK_LINE} 1021 1022fiptool: ${FIPTOOL} 1023fip: ${BUILD_PLAT}/${FIP_NAME} 1024fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1025 1026.PHONY: ${FIPTOOL} 1027${FIPTOOL}: 1028 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 1029 1030sptool: ${SPTOOL} 1031.PHONY: ${SPTOOL} 1032${SPTOOL}: 1033 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 1034 1035.PHONY: libraries 1036romlib.bin: libraries 1037 ${Q}${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 1038 1039# Call print_memory_map tool 1040memmap: all 1041 ${Q}${PYTHON} $(PRINT_MEMORY_MAP) $(BUILD_PLAT) 1042 1043cscope: 1044 @echo " CSCOPE" 1045 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1046 ${Q}cscope -b -q -k 1047 1048help: 1049 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1050 @echo "" 1051 @echo "PLAT is used to specify which platform you wish to build." 1052 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1053 @echo "" 1054 @echo "platform = ${PLATFORM_LIST}" 1055 @echo "" 1056 @echo "Please refer to the User Guide for a list of all supported options." 1057 @echo "Note that the build system doesn't track dependencies for build " 1058 @echo "options. Therefore, if any of the build options are changed " 1059 @echo "from a previous build, a clean build must be performed." 1060 @echo "" 1061 @echo "Supported Targets:" 1062 @echo " all Build all individual bootloader binaries" 1063 @echo " bl1 Build the BL1 binary" 1064 @echo " bl2 Build the BL2 binary" 1065 @echo " bl2u Build the BL2U binary" 1066 @echo " bl31 Build the BL31 binary" 1067 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1068 @echo " this builds secure payload specified by AARCH32_SP" 1069 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1070 @echo " fip Build the Firmware Image Package (FIP)" 1071 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1072 @echo " checkcodebase Check the coding style of the entire source tree" 1073 @echo " checkpatch Check the coding style on changes in the current" 1074 @echo " branch against BASE_COMMIT (default origin/master)" 1075 @echo " clean Clean the build for the selected platform" 1076 @echo " cscope Generate cscope index" 1077 @echo " distclean Remove all build artifacts for all platforms" 1078 @echo " certtool Build the Certificate generation tool" 1079 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1080 @echo " sptool Build the Secure Partition Package creation tool" 1081 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1082 @echo " memmap Print the memory map of the built binaries" 1083 @echo "" 1084 @echo "Note: most build targets require PLAT to be set to a specific platform." 1085 @echo "" 1086 @echo "example: build all targets for the FVP platform:" 1087 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1088