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 := 1 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 208TF_CFLAGS_aarch32 = $(march32-directive) 209TF_CFLAGS_aarch64 = $(march64-directive) 210LD = $(LINKER) 211endif 212 213ifeq (${AARCH32_INSTRUCTION_SET},A32) 214TF_CFLAGS_aarch32 += -marm 215else ifeq (${AARCH32_INSTRUCTION_SET},T32) 216TF_CFLAGS_aarch32 += -mthumb 217else 218$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 219endif 220 221TF_CFLAGS_aarch32 += -mno-unaligned-access 222TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 223 224ifneq (${BP_OPTION},none) 225TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 226endif 227 228ASFLAGS_aarch32 = $(march32-directive) 229ASFLAGS_aarch64 = $(march64-directive) 230 231WARNING1 := -Wextra 232WARNING1 += -Wmissing-declarations 233WARNING1 += -Wmissing-format-attribute 234WARNING1 += -Wmissing-prototypes 235WARNING1 += -Wold-style-definition 236WARNING1 += -Wunused-const-variable 237 238WARNING2 := -Waggregate-return 239WARNING2 += -Wcast-align 240WARNING2 += -Wnested-externs 241WARNING2 += -Wshadow 242WARNING2 += -Wlogical-op 243WARNING2 += -Wmissing-field-initializers 244WARNING2 += -Wsign-compare 245 246WARNING3 := -Wbad-function-cast 247WARNING3 += -Wcast-qual 248WARNING3 += -Wconversion 249WARNING3 += -Wpacked 250WARNING3 += -Wpadded 251WARNING3 += -Wpointer-arith 252WARNING3 += -Wredundant-decls 253WARNING3 += -Wswitch-default 254 255ifeq (${W},1) 256WARNINGS := $(WARNING1) 257else ifeq (${W},2) 258WARNINGS := $(WARNING1) $(WARNING2) 259else ifeq (${W},3) 260WARNINGS := $(WARNING1) $(WARNING2) $(WARNING3) 261endif 262 263WARNINGS += -Wunused -Wno-unused-parameter \ 264 -Wdisabled-optimization \ 265 -Wvla 266 267ifeq ($(findstring clang,$(notdir $(CC))),) 268# not using clang 269WARNINGS += -Wunused-but-set-variable \ 270 -Wmaybe-uninitialized \ 271 -Wpacked-bitfield-compat \ 272 -Wshift-overflow=2 273else 274# using clang 275WARNINGS += -Wshift-overflow -Wshift-sign-overflow 276endif 277 278ifneq (${E},0) 279ERRORS := -Werror 280endif 281 282CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 283 -Wmissing-include-dirs $(ERRORS) $(WARNINGS) 284ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 285 -ffreestanding -Wa,--fatal-warnings 286TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 287 -ffreestanding -fno-builtin -Wall -std=gnu99 \ 288 -Os -ffunction-sections -fdata-sections 289 290ifeq (${SANITIZE_UB},on) 291TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 292endif 293ifeq (${SANITIZE_UB},trap) 294TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 295 -fsanitize-undefined-trap-on-error 296endif 297 298GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 299 300ifneq ($(findstring armlink,$(notdir $(LD))),) 301TF_LDFLAGS += --diag_error=warning --lto_level=O1 302TF_LDFLAGS += --remove --info=unused,unusedsymbols 303else 304TF_LDFLAGS += --fatal-warnings -O1 305TF_LDFLAGS += --gc-sections 306endif 307TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 308 309DTC_FLAGS += -I dts -O dtb 310DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 311 312################################################################################ 313# Common sources and include directories 314################################################################################ 315include lib/compiler-rt/compiler-rt.mk 316 317BL_COMMON_SOURCES += common/bl_common.c \ 318 common/tf_log.c \ 319 common/${ARCH}/debug.S \ 320 drivers/console/multi_console.c \ 321 lib/${ARCH}/cache_helpers.S \ 322 lib/${ARCH}/misc_helpers.S \ 323 plat/common/plat_bl_common.c \ 324 plat/common/plat_log_common.c \ 325 plat/common/${ARCH}/plat_common.c \ 326 plat/common/${ARCH}/platform_helpers.S \ 327 ${COMPILER_RT_SRCS} 328 329ifeq ($(notdir $(CC)),armclang) 330BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 331endif 332 333ifeq (${SANITIZE_UB},on) 334BL_COMMON_SOURCES += plat/common/ubsan.c 335endif 336 337INCLUDES += -Iinclude \ 338 -Iinclude/arch/${ARCH} \ 339 -Iinclude/lib/cpus/${ARCH} \ 340 -Iinclude/lib/el3_runtime/${ARCH} \ 341 ${PLAT_INCLUDES} \ 342 ${SPD_INCLUDES} 343 344include common/backtrace/backtrace.mk 345 346################################################################################ 347# Generic definitions 348################################################################################ 349 350include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 351 352BUILD_BASE := ./build 353BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 354 355SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 356 357# Platforms providing their own TBB makefile may override this value 358INCLUDE_TBBR_MK := 1 359 360 361################################################################################ 362# Include SPD Makefile if one has been specified 363################################################################################ 364 365ifneq (${SPD},none) 366ifeq (${ARCH},aarch32) 367 $(error "Error: SPD is incompatible with AArch32.") 368endif 369ifdef EL3_PAYLOAD_BASE 370 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 371 $(warning "The SPD and its BL32 companion will be present but ignored.") 372endif 373 # We expect to locate an spd.mk under the specified SPD directory 374 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 375 376 ifeq (${SPD_MAKE},) 377 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 378 endif 379 $(info Including ${SPD_MAKE}) 380 include ${SPD_MAKE} 381 382 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 383 # Makefile would set NEED_BL32 to "yes". In this case, the build system 384 # supports two mutually exclusive options: 385 # * BL32 is built from source: then BL32_SOURCES must contain the list 386 # of source files to build BL32 387 # * BL32 is a prebuilt binary: then BL32 must point to the image file 388 # that will be included in the FIP 389 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 390 # over the sources. 391endif 392 393################################################################################ 394# Include the platform specific Makefile after the SPD Makefile (the platform 395# makefile may use all previous definitions in this file) 396################################################################################ 397 398include ${PLAT_MAKEFILE_FULL} 399 400$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 401 402ifeq (${ARM_ARCH_MAJOR},7) 403include make_helpers/armv7-a-cpus.mk 404endif 405 406ifeq ($(ENABLE_PIE),1) 407 TF_CFLAGS += -fpie 408 TF_LDFLAGS += -pie --no-dynamic-linker 409else 410 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 411 ifneq ($(PIE_FOUND),) 412 TF_CFLAGS += -fno-PIE 413 endif 414endif 415 416# Include the CPU specific operations makefile, which provides default 417# values for all CPU errata workarounds and CPU specific optimisations. 418# This can be overridden by the platform. 419include lib/cpus/cpu-ops.mk 420 421ifeq (${ARCH},aarch32) 422NEED_BL32 := yes 423 424################################################################################ 425# Build `AARCH32_SP` as BL32 image for AArch32 426################################################################################ 427ifneq (${AARCH32_SP},none) 428# We expect to locate an sp.mk under the specified AARCH32_SP directory 429AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 430 431ifeq (${AARCH32_SP_MAKE},) 432 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 433endif 434 435$(info Including ${AARCH32_SP_MAKE}) 436include ${AARCH32_SP_MAKE} 437endif 438 439endif 440 441################################################################################ 442# Include libc if not overridden 443################################################################################ 444ifeq (${OVERRIDE_LIBC},0) 445include lib/libc/libc.mk 446endif 447 448################################################################################ 449# Check incompatible options 450################################################################################ 451 452ifdef EL3_PAYLOAD_BASE 453 ifdef PRELOADED_BL33_BASE 454 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 455 incompatible build options. EL3_PAYLOAD_BASE has priority.") 456 endif 457 ifneq (${GENERATE_COT},0) 458 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 459 endif 460 ifneq (${TRUSTED_BOARD_BOOT},0) 461 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 462 endif 463endif 464 465ifeq (${NEED_BL33},yes) 466 ifdef EL3_PAYLOAD_BASE 467 $(warning "BL33 image is not needed when option \ 468 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 469 endif 470 ifdef PRELOADED_BL33_BASE 471 $(warning "BL33 image is not needed when option \ 472 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 473 file.") 474 endif 475endif 476 477# When building for systems with hardware-assisted coherency, there's no need to 478# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 479ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 480$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 481endif 482 483#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 484ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 485$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 486endif 487 488# For RAS_EXTENSION, require that EAs are handled in EL3 first 489ifeq ($(RAS_EXTENSION),1) 490 ifneq ($(HANDLE_EA_EL3_FIRST),1) 491 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 492 endif 493endif 494 495# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 496ifeq ($(FAULT_INJECTION_SUPPORT),1) 497 ifneq ($(RAS_EXTENSION),1) 498 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 499 endif 500endif 501 502# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 503ifeq ($(DYN_DISABLE_AUTH), 1) 504 ifeq (${TRUSTED_BOARD_BOOT}, 0) 505 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 506 endif 507endif 508 509# If pointer authentication is used in the firmware, make sure that all the 510# registers associated to it are also saved and restored. 511# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 512ifeq ($(ENABLE_PAUTH),1) 513 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 514 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 515 endif 516endif 517 518ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 519 ifneq (${ARCH},aarch64) 520 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 521 else 522 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 523 endif 524endif 525 526ifeq ($(ENABLE_PAUTH),1) 527 $(info Pointer Authentication is an experimental feature) 528endif 529 530ifeq ($(ENABLE_BTI),1) 531 $(info Branch Protection is an experimental feature) 532endif 533 534ifeq ($(CTX_INCLUDE_MTE_REGS),1) 535 ifneq (${ARCH},aarch64) 536 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 537 else 538 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 539 endif 540endif 541 542################################################################################ 543# Process platform overrideable behaviour 544################################################################################ 545 546# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 547# Certificate generation tools. This flag can be overridden by the platform. 548ifdef BL2_SOURCES 549 ifdef EL3_PAYLOAD_BASE 550 # If booting an EL3 payload there is no need for a BL33 image 551 # in the FIP file. 552 NEED_BL33 := no 553 else 554 ifdef PRELOADED_BL33_BASE 555 # If booting a BL33 preloaded image there is no need of 556 # another one in the FIP file. 557 NEED_BL33 := no 558 else 559 NEED_BL33 ?= yes 560 endif 561 endif 562endif 563 564# If SCP_BL2 is given, we always want FIP to include it. 565ifdef SCP_BL2 566 NEED_SCP_BL2 := yes 567endif 568 569# For AArch32, BL31 is not currently supported. 570ifneq (${ARCH},aarch32) 571 ifdef BL31_SOURCES 572 # When booting an EL3 payload, there is no need to compile the BL31 image nor 573 # put it in the FIP. 574 ifndef EL3_PAYLOAD_BASE 575 NEED_BL31 := yes 576 endif 577 endif 578endif 579 580# Process TBB related flags 581ifneq (${GENERATE_COT},0) 582 # Common cert_create options 583 ifneq (${CREATE_KEYS},0) 584 $(eval CRT_ARGS += -n) 585 $(eval FWU_CRT_ARGS += -n) 586 ifneq (${SAVE_KEYS},0) 587 $(eval CRT_ARGS += -k) 588 $(eval FWU_CRT_ARGS += -k) 589 endif 590 endif 591 # Include TBBR makefile (unless the platform indicates otherwise) 592 ifeq (${INCLUDE_TBBR_MK},1) 593 include make_helpers/tbbr/tbbr_tools.mk 594 endif 595endif 596 597ifneq (${FIP_ALIGN},0) 598FIP_ARGS += --align ${FIP_ALIGN} 599endif 600 601################################################################################ 602# Include libraries' Makefile that are used in all BL 603################################################################################ 604 605include lib/stack_protector/stack_protector.mk 606 607################################################################################ 608# Auxiliary tools (fiptool, cert_create, etc) 609################################################################################ 610 611# Variables for use with Certificate Generation Tool 612CRTTOOLPATH ?= tools/cert_create 613CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 614 615# Variables for use with Firmware Image Package 616FIPTOOLPATH ?= tools/fiptool 617FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 618 619# Variables for use with sptool 620SPTOOLPATH ?= tools/sptool 621SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 622 623# Variables for use with ROMLIB 624ROMLIBPATH ?= lib/romlib 625 626################################################################################ 627# Include BL specific makefiles 628################################################################################ 629ifdef BL1_SOURCES 630NEED_BL1 := yes 631include bl1/bl1.mk 632endif 633 634ifdef BL2_SOURCES 635NEED_BL2 := yes 636include bl2/bl2.mk 637endif 638 639ifdef BL2U_SOURCES 640NEED_BL2U := yes 641include bl2u/bl2u.mk 642endif 643 644ifeq (${NEED_BL31},yes) 645ifdef BL31_SOURCES 646include bl31/bl31.mk 647endif 648endif 649 650ifdef FDT_SOURCES 651NEED_FDT := yes 652endif 653 654################################################################################ 655# Build options checks 656################################################################################ 657 658$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 659$(eval $(call assert_boolean,CREATE_KEYS)) 660$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 661$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 662$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 663$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 664$(eval $(call assert_boolean,DEBUG)) 665$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 666$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 667$(eval $(call assert_boolean,ENABLE_AMU)) 668$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 669$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 670$(eval $(call assert_boolean,ENABLE_PIE)) 671$(eval $(call assert_boolean,ENABLE_PMF)) 672$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 673$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 674$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 675$(eval $(call assert_boolean,ENABLE_SPM)) 676$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 677$(eval $(call assert_boolean,ERROR_DEPRECATED)) 678$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 679$(eval $(call assert_boolean,GENERATE_COT)) 680$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 681$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 682$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 683$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 684$(eval $(call assert_boolean,OVERRIDE_LIBC)) 685$(eval $(call assert_boolean,PL011_GENERIC_UART)) 686$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 687$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 688$(eval $(call assert_boolean,RAS_EXTENSION)) 689$(eval $(call assert_boolean,RESET_TO_BL31)) 690$(eval $(call assert_boolean,SAVE_KEYS)) 691$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 692$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 693$(eval $(call assert_boolean,SPM_MM)) 694$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 695$(eval $(call assert_boolean,USE_COHERENT_MEM)) 696$(eval $(call assert_boolean,USE_ROMLIB)) 697$(eval $(call assert_boolean,USE_TBBR_DEFS)) 698$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 699$(eval $(call assert_boolean,BL2_AT_EL3)) 700$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 701$(eval $(call assert_boolean,BL2_INV_DCACHE)) 702$(eval $(call assert_boolean,USE_SPINLOCK_CAS)) 703 704$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 705$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 706$(eval $(call assert_numeric,BRANCH_PROTECTION)) 707 708ifdef KEY_SIZE 709 $(eval $(call assert_numeric,KEY_SIZE)) 710endif 711 712ifeq ($(filter $(SANITIZE_UB), on off trap),) 713 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 714endif 715 716################################################################################ 717# Add definitions to the cpp preprocessor based on the current build options. 718# This is done after including the platform specific makefile to allow the 719# platform to overwrite the default options 720################################################################################ 721 722$(eval $(call add_define,ARM_ARCH_MAJOR)) 723$(eval $(call add_define,ARM_ARCH_MINOR)) 724$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 725$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 726$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 727$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 728$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 729$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 730$(eval $(call add_define,ENABLE_AMU)) 731$(eval $(call add_define,ENABLE_ASSERTIONS)) 732$(eval $(call add_define,ENABLE_BTI)) 733$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 734$(eval $(call add_define,ENABLE_PAUTH)) 735$(eval $(call add_define,ENABLE_PIE)) 736$(eval $(call add_define,ENABLE_PMF)) 737$(eval $(call add_define,ENABLE_PSCI_STAT)) 738$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 739$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 740$(eval $(call add_define,ENABLE_SPM)) 741$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 742$(eval $(call add_define,ERROR_DEPRECATED)) 743$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 744$(eval $(call add_define,GICV2_G0_FOR_EL3)) 745$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 746$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 747$(eval $(call add_define,LOG_LEVEL)) 748$(eval $(call add_define,NS_TIMER_SWITCH)) 749$(eval $(call add_define,PL011_GENERIC_UART)) 750$(eval $(call add_define,PLAT_${PLAT})) 751$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 752$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 753$(eval $(call add_define,RAS_EXTENSION)) 754$(eval $(call add_define,RESET_TO_BL31)) 755$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 756$(eval $(call add_define,RECLAIM_INIT_CODE)) 757$(eval $(call add_define,SPD_${SPD})) 758$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 759$(eval $(call add_define,SPM_MM)) 760$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 761$(eval $(call add_define,USE_COHERENT_MEM)) 762$(eval $(call add_define,USE_ROMLIB)) 763$(eval $(call add_define,USE_TBBR_DEFS)) 764$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 765$(eval $(call add_define,BL2_AT_EL3)) 766$(eval $(call add_define,BL2_IN_XIP_MEM)) 767$(eval $(call add_define,BL2_INV_DCACHE)) 768$(eval $(call add_define,USE_SPINLOCK_CAS)) 769 770ifeq (${SANITIZE_UB},trap) 771 $(eval $(call add_define,MONITOR_TRAPS)) 772endif 773 774# Define the EL3_PAYLOAD_BASE flag only if it is provided. 775ifdef EL3_PAYLOAD_BASE 776 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 777else 778 # Define the PRELOADED_BL33_BASE flag only if it is provided and 779 # EL3_PAYLOAD_BASE is not defined, as it has priority. 780 ifdef PRELOADED_BL33_BASE 781 $(eval $(call add_define,PRELOADED_BL33_BASE)) 782 endif 783endif 784 785# Define the DYN_DISABLE_AUTH flag only if set. 786ifeq (${DYN_DISABLE_AUTH},1) 787$(eval $(call add_define,DYN_DISABLE_AUTH)) 788endif 789 790ifneq ($(findstring armlink,$(notdir $(LD))),) 791$(eval $(call add_define,USE_ARM_LINK)) 792endif 793 794################################################################################ 795# Build targets 796################################################################################ 797 798.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs 799.SUFFIXES: 800 801all: msg_start 802 803msg_start: 804 @echo "Building ${PLAT}" 805 806ifeq (${ERROR_DEPRECATED},0) 807# Check if deprecated declarations and cpp warnings should be treated as error or not. 808ifneq ($(findstring clang,$(notdir $(CC))),) 809 CPPFLAGS += -Wno-error=deprecated-declarations 810else 811 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 812endif 813# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 814ASFLAGS += -D__ASSEMBLY__ 815# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 816ifeq (${ARCH},aarch32) 817 $(eval $(call add_define,AARCH32)) 818else 819 $(eval $(call add_define,AARCH64)) 820endif 821endif # !ERROR_DEPRECATED 822 823$(eval $(call MAKE_LIB_DIRS)) 824$(eval $(call MAKE_LIB,c)) 825 826# Expand build macros for the different images 827ifeq (${NEED_BL1},yes) 828$(eval $(call MAKE_BL,1)) 829endif 830 831ifeq (${NEED_BL2},yes) 832ifeq (${BL2_AT_EL3}, 0) 833FIP_BL2_ARGS := tb-fw 834endif 835 836$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 837 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 838endif 839 840ifeq (${NEED_SCP_BL2},yes) 841$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 842endif 843 844ifeq (${NEED_BL31},yes) 845BL31_SOURCES += ${SPD_SOURCES} 846$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 847 $(eval $(call MAKE_BL,31,soc-fw))) 848endif 849 850# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 851# build system will call TOOL_ADD_IMG to print a warning message and abort the 852# process. Note that the dependency on BL32 applies to the FIP only. 853ifeq (${NEED_BL32},yes) 854 855BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 856 857$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 858 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 859endif 860 861# Add the BL33 image if required by the platform 862ifeq (${NEED_BL33},yes) 863$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 864endif 865 866ifeq (${NEED_BL2U},yes) 867$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 868 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 869endif 870 871# Expand build macros for the different images 872ifeq (${NEED_FDT},yes) 873 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 874endif 875 876locate-checkpatch: 877ifndef CHECKPATCH 878 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 879else 880ifeq (,$(wildcard ${CHECKPATCH})) 881 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 882endif 883endif 884 885clean: 886 @echo " CLEAN" 887 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 888 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 889 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 890 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 891 892realclean distclean: 893 @echo " REALCLEAN" 894 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 895 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 896 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 897 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 898 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 899 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 900 901checkcodebase: locate-checkpatch 902 @echo " CHECKING STYLE" 903 @if test -d .git ; then \ 904 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 905 while read GIT_FILE ; \ 906 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 907 done ; \ 908 else \ 909 find . -type f -not -iwholename "*.git*" \ 910 -not -iwholename "*build*" \ 911 -not -iwholename "*libfdt*" \ 912 -not -iwholename "*libc*" \ 913 -not -iwholename "*docs*" \ 914 -not -iwholename "*.rst" \ 915 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 916 fi 917 918checkpatch: locate-checkpatch 919 @echo " CHECKING STYLE" 920 @if test -n "${CHECKPATCH_OPTS}"; then \ 921 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 922 fi 923 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 924 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 925 printf "\n[*] Checking style of '$$commit'\n\n"; \ 926 git log --format=email "$$commit~..$$commit" \ 927 -- ${CHECK_PATHS} | \ 928 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 929 git diff --format=email "$$commit~..$$commit" \ 930 -- ${CHECK_PATHS} | \ 931 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 932 done 933 934certtool: ${CRTTOOL} 935 936.PHONY: ${CRTTOOL} 937${CRTTOOL}: 938 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 939 @${ECHO_BLANK_LINE} 940 @echo "Built $@ successfully" 941 @${ECHO_BLANK_LINE} 942 943ifneq (${GENERATE_COT},0) 944certificates: ${CRT_DEPS} ${CRTTOOL} 945 ${Q}${CRTTOOL} ${CRT_ARGS} 946 @${ECHO_BLANK_LINE} 947 @echo "Built $@ successfully" 948 @echo "Certificates can be found in ${BUILD_PLAT}" 949 @${ECHO_BLANK_LINE} 950endif 951 952${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 953 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 954 ${Q}${FIPTOOL} info $@ 955 @${ECHO_BLANK_LINE} 956 @echo "Built $@ successfully" 957 @${ECHO_BLANK_LINE} 958 959ifneq (${GENERATE_COT},0) 960fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 961 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 962 @${ECHO_BLANK_LINE} 963 @echo "Built $@ successfully" 964 @echo "FWU certificates can be found in ${BUILD_PLAT}" 965 @${ECHO_BLANK_LINE} 966endif 967 968${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 969 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 970 ${Q}${FIPTOOL} info $@ 971 @${ECHO_BLANK_LINE} 972 @echo "Built $@ successfully" 973 @${ECHO_BLANK_LINE} 974 975fiptool: ${FIPTOOL} 976fip: ${BUILD_PLAT}/${FIP_NAME} 977fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 978 979.PHONY: ${FIPTOOL} 980${FIPTOOL}: 981 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 982 983sptool: ${SPTOOL} 984.PHONY: ${SPTOOL} 985${SPTOOL}: 986 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 987 988.PHONY: libraries 989romlib.bin: libraries 990 ${Q}${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 991 992cscope: 993 @echo " CSCOPE" 994 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 995 ${Q}cscope -b -q -k 996 997help: 998 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 999 @echo "" 1000 @echo "PLAT is used to specify which platform you wish to build." 1001 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1002 @echo "" 1003 @echo "platform = ${PLATFORM_LIST}" 1004 @echo "" 1005 @echo "Please refer to the User Guide for a list of all supported options." 1006 @echo "Note that the build system doesn't track dependencies for build " 1007 @echo "options. Therefore, if any of the build options are changed " 1008 @echo "from a previous build, a clean build must be performed." 1009 @echo "" 1010 @echo "Supported Targets:" 1011 @echo " all Build all individual bootloader binaries" 1012 @echo " bl1 Build the BL1 binary" 1013 @echo " bl2 Build the BL2 binary" 1014 @echo " bl2u Build the BL2U binary" 1015 @echo " bl31 Build the BL31 binary" 1016 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1017 @echo " this builds secure payload specified by AARCH32_SP" 1018 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1019 @echo " fip Build the Firmware Image Package (FIP)" 1020 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1021 @echo " checkcodebase Check the coding style of the entire source tree" 1022 @echo " checkpatch Check the coding style on changes in the current" 1023 @echo " branch against BASE_COMMIT (default origin/master)" 1024 @echo " clean Clean the build for the selected platform" 1025 @echo " cscope Generate cscope index" 1026 @echo " distclean Remove all build artifacts for all platforms" 1027 @echo " certtool Build the Certificate generation tool" 1028 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1029 @echo " sptool Build the Secure Partition Package creation tool" 1030 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1031 @echo "" 1032 @echo "Note: most build targets require PLAT to be set to a specific platform." 1033 @echo "" 1034 @echo "example: build all targets for the FVP platform:" 1035 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1036