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