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 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 = $(march64-directive) 230 231# General warnings 232WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 233 -Wdisabled-optimization -Wvla -Wshadow \ 234 -Wno-unused-parameter 235 236# Additional warnings 237# Level 1 238WARNING1 := -Wextra 239WARNING1 += -Wmissing-declarations 240WARNING1 += -Wmissing-format-attribute 241WARNING1 += -Wmissing-prototypes 242WARNING1 += -Wold-style-definition 243WARNING1 += -Wunused-const-variable 244 245# Level 2 246WARNING2 := -Waggregate-return 247WARNING2 += -Wcast-align 248WARNING2 += -Wnested-externs 249 250WARNING3 := -Wbad-function-cast 251WARNING3 += -Wcast-qual 252WARNING3 += -Wconversion 253WARNING3 += -Wpacked 254WARNING3 += -Wpadded 255WARNING3 += -Wpointer-arith 256WARNING3 += -Wredundant-decls 257WARNING3 += -Wswitch-default 258 259ifeq (${W},1) 260WARNINGS += $(WARNING1) 261else ifeq (${W},2) 262WARNINGS += $(WARNING1) $(WARNING2) 263else ifeq (${W},3) 264WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 265endif 266 267# Compiler specific warnings 268ifeq ($(findstring clang,$(notdir $(CC))),) 269# not using clang 270WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 271 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 272 -Wlogical-op 273else 274# using clang 275WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 276 -Wlogical-op-parentheses 277endif 278 279ifneq (${E},0) 280ERRORS := -Werror 281endif 282 283CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 284 $(ERRORS) $(WARNINGS) 285ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 286 -ffreestanding -Wa,--fatal-warnings 287TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 288 -ffunction-sections -fdata-sections \ 289 -ffreestanding -fno-builtin -fno-common \ 290 -Os -std=gnu99 291 292ifeq (${SANITIZE_UB},on) 293TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 294endif 295ifeq (${SANITIZE_UB},trap) 296TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 297 -fsanitize-undefined-trap-on-error 298endif 299 300GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 301 302ifneq ($(findstring armlink,$(notdir $(LD))),) 303TF_LDFLAGS += --diag_error=warning --lto_level=O1 304TF_LDFLAGS += --remove --info=unused,unusedsymbols 305else 306TF_LDFLAGS += --fatal-warnings -O1 307TF_LDFLAGS += --gc-sections 308endif 309TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 310 311DTC_FLAGS += -I dts -O dtb 312DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 313 314################################################################################ 315# Common sources and include directories 316################################################################################ 317include lib/compiler-rt/compiler-rt.mk 318 319BL_COMMON_SOURCES += common/bl_common.c \ 320 common/tf_log.c \ 321 common/${ARCH}/debug.S \ 322 drivers/console/multi_console.c \ 323 lib/${ARCH}/cache_helpers.S \ 324 lib/${ARCH}/misc_helpers.S \ 325 plat/common/plat_bl_common.c \ 326 plat/common/plat_log_common.c \ 327 plat/common/${ARCH}/plat_common.c \ 328 plat/common/${ARCH}/platform_helpers.S \ 329 ${COMPILER_RT_SRCS} 330 331ifeq ($(notdir $(CC)),armclang) 332BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 333endif 334 335ifeq (${SANITIZE_UB},on) 336BL_COMMON_SOURCES += plat/common/ubsan.c 337endif 338 339INCLUDES += -Iinclude \ 340 -Iinclude/arch/${ARCH} \ 341 -Iinclude/lib/cpus/${ARCH} \ 342 -Iinclude/lib/el3_runtime/${ARCH} \ 343 ${PLAT_INCLUDES} \ 344 ${SPD_INCLUDES} 345 346include common/backtrace/backtrace.mk 347 348################################################################################ 349# Generic definitions 350################################################################################ 351 352include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 353 354BUILD_BASE := ./build 355BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 356 357SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 358 359# Platforms providing their own TBB makefile may override this value 360INCLUDE_TBBR_MK := 1 361 362 363################################################################################ 364# Include SPD Makefile if one has been specified 365################################################################################ 366 367ifneq (${SPD},none) 368ifeq (${ARCH},aarch32) 369 $(error "Error: SPD is incompatible with AArch32.") 370endif 371ifdef EL3_PAYLOAD_BASE 372 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 373 $(warning "The SPD and its BL32 companion will be present but ignored.") 374endif 375 # We expect to locate an spd.mk under the specified SPD directory 376 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 377 378 ifeq (${SPD_MAKE},) 379 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 380 endif 381 $(info Including ${SPD_MAKE}) 382 include ${SPD_MAKE} 383 384 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 385 # Makefile would set NEED_BL32 to "yes". In this case, the build system 386 # supports two mutually exclusive options: 387 # * BL32 is built from source: then BL32_SOURCES must contain the list 388 # of source files to build BL32 389 # * BL32 is a prebuilt binary: then BL32 must point to the image file 390 # that will be included in the FIP 391 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 392 # over the sources. 393endif 394 395################################################################################ 396# Include the platform specific Makefile after the SPD Makefile (the platform 397# makefile may use all previous definitions in this file) 398################################################################################ 399 400include ${PLAT_MAKEFILE_FULL} 401 402$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 403 404ifeq (${ARM_ARCH_MAJOR},7) 405include make_helpers/armv7-a-cpus.mk 406endif 407 408ifeq ($(ENABLE_PIE),1) 409 TF_CFLAGS += -fpie 410 TF_LDFLAGS += -pie --no-dynamic-linker 411else 412 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 413 ifneq ($(PIE_FOUND),) 414 TF_CFLAGS += -fno-PIE 415 endif 416endif 417 418# Include the CPU specific operations makefile, which provides default 419# values for all CPU errata workarounds and CPU specific optimisations. 420# This can be overridden by the platform. 421include lib/cpus/cpu-ops.mk 422 423ifeq (${ARCH},aarch32) 424NEED_BL32 := yes 425 426################################################################################ 427# Build `AARCH32_SP` as BL32 image for AArch32 428################################################################################ 429ifneq (${AARCH32_SP},none) 430# We expect to locate an sp.mk under the specified AARCH32_SP directory 431AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 432 433ifeq (${AARCH32_SP_MAKE},) 434 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 435endif 436 437$(info Including ${AARCH32_SP_MAKE}) 438include ${AARCH32_SP_MAKE} 439endif 440 441endif 442 443################################################################################ 444# Include libc if not overridden 445################################################################################ 446ifeq (${OVERRIDE_LIBC},0) 447include lib/libc/libc.mk 448endif 449 450################################################################################ 451# Check incompatible options 452################################################################################ 453 454ifdef EL3_PAYLOAD_BASE 455 ifdef PRELOADED_BL33_BASE 456 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 457 incompatible build options. EL3_PAYLOAD_BASE has priority.") 458 endif 459 ifneq (${GENERATE_COT},0) 460 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 461 endif 462 ifneq (${TRUSTED_BOARD_BOOT},0) 463 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 464 endif 465endif 466 467ifeq (${NEED_BL33},yes) 468 ifdef EL3_PAYLOAD_BASE 469 $(warning "BL33 image is not needed when option \ 470 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 471 endif 472 ifdef PRELOADED_BL33_BASE 473 $(warning "BL33 image is not needed when option \ 474 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 475 file.") 476 endif 477endif 478 479# When building for systems with hardware-assisted coherency, there's no need to 480# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 481ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 482$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 483endif 484 485#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 486ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 487$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 488endif 489 490# For RAS_EXTENSION, require that EAs are handled in EL3 first 491ifeq ($(RAS_EXTENSION),1) 492 ifneq ($(HANDLE_EA_EL3_FIRST),1) 493 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 494 endif 495endif 496 497# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 498ifeq ($(FAULT_INJECTION_SUPPORT),1) 499 ifneq ($(RAS_EXTENSION),1) 500 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 501 endif 502endif 503 504# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 505ifeq ($(DYN_DISABLE_AUTH), 1) 506 ifeq (${TRUSTED_BOARD_BOOT}, 0) 507 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 508 endif 509endif 510 511# If pointer authentication is used in the firmware, make sure that all the 512# registers associated to it are also saved and restored. 513# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 514ifeq ($(ENABLE_PAUTH),1) 515 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 516 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 517 endif 518endif 519 520ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 521 ifneq (${ARCH},aarch64) 522 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 523 else 524 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 525 endif 526endif 527 528ifeq ($(ENABLE_PAUTH),1) 529 $(info Pointer Authentication is an experimental feature) 530endif 531 532ifeq ($(ENABLE_BTI),1) 533 $(info Branch Protection is an experimental feature) 534endif 535 536ifeq ($(CTX_INCLUDE_MTE_REGS),1) 537 ifneq (${ARCH},aarch64) 538 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 539 else 540 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 541 endif 542endif 543 544################################################################################ 545# Process platform overrideable behaviour 546################################################################################ 547 548# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 549# Certificate generation tools. This flag can be overridden by the platform. 550ifdef BL2_SOURCES 551 ifdef EL3_PAYLOAD_BASE 552 # If booting an EL3 payload there is no need for a BL33 image 553 # in the FIP file. 554 NEED_BL33 := no 555 else 556 ifdef PRELOADED_BL33_BASE 557 # If booting a BL33 preloaded image there is no need of 558 # another one in the FIP file. 559 NEED_BL33 := no 560 else 561 NEED_BL33 ?= yes 562 endif 563 endif 564endif 565 566# If SCP_BL2 is given, we always want FIP to include it. 567ifdef SCP_BL2 568 NEED_SCP_BL2 := yes 569endif 570 571# For AArch32, BL31 is not currently supported. 572ifneq (${ARCH},aarch32) 573 ifdef BL31_SOURCES 574 # When booting an EL3 payload, there is no need to compile the BL31 image nor 575 # put it in the FIP. 576 ifndef EL3_PAYLOAD_BASE 577 NEED_BL31 := yes 578 endif 579 endif 580endif 581 582# Process TBB related flags 583ifneq (${GENERATE_COT},0) 584 # Common cert_create options 585 ifneq (${CREATE_KEYS},0) 586 $(eval CRT_ARGS += -n) 587 $(eval FWU_CRT_ARGS += -n) 588 ifneq (${SAVE_KEYS},0) 589 $(eval CRT_ARGS += -k) 590 $(eval FWU_CRT_ARGS += -k) 591 endif 592 endif 593 # Include TBBR makefile (unless the platform indicates otherwise) 594 ifeq (${INCLUDE_TBBR_MK},1) 595 include make_helpers/tbbr/tbbr_tools.mk 596 endif 597endif 598 599ifneq (${FIP_ALIGN},0) 600FIP_ARGS += --align ${FIP_ALIGN} 601endif 602 603################################################################################ 604# Include libraries' Makefile that are used in all BL 605################################################################################ 606 607include lib/stack_protector/stack_protector.mk 608 609################################################################################ 610# Auxiliary tools (fiptool, cert_create, etc) 611################################################################################ 612 613# Variables for use with Certificate Generation Tool 614CRTTOOLPATH ?= tools/cert_create 615CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 616 617# Variables for use with Firmware Image Package 618FIPTOOLPATH ?= tools/fiptool 619FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 620 621# Variables for use with sptool 622SPTOOLPATH ?= tools/sptool 623SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 624 625# Variables for use with ROMLIB 626ROMLIBPATH ?= lib/romlib 627 628################################################################################ 629# Include BL specific makefiles 630################################################################################ 631ifdef BL1_SOURCES 632NEED_BL1 := yes 633include bl1/bl1.mk 634endif 635 636ifdef BL2_SOURCES 637NEED_BL2 := yes 638include bl2/bl2.mk 639endif 640 641ifdef BL2U_SOURCES 642NEED_BL2U := yes 643include bl2u/bl2u.mk 644endif 645 646ifeq (${NEED_BL31},yes) 647ifdef BL31_SOURCES 648include bl31/bl31.mk 649endif 650endif 651 652ifdef FDT_SOURCES 653NEED_FDT := yes 654endif 655 656################################################################################ 657# Build options checks 658################################################################################ 659 660$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 661$(eval $(call assert_boolean,CREATE_KEYS)) 662$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 663$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 664$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 665$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 666$(eval $(call assert_boolean,DEBUG)) 667$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 668$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 669$(eval $(call assert_boolean,ENABLE_AMU)) 670$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 671$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 672$(eval $(call assert_boolean,ENABLE_PIE)) 673$(eval $(call assert_boolean,ENABLE_PMF)) 674$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 675$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 676$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 677$(eval $(call assert_boolean,ENABLE_SPM)) 678$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 679$(eval $(call assert_boolean,ERROR_DEPRECATED)) 680$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 681$(eval $(call assert_boolean,GENERATE_COT)) 682$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 683$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 684$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 685$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 686$(eval $(call assert_boolean,OVERRIDE_LIBC)) 687$(eval $(call assert_boolean,PL011_GENERIC_UART)) 688$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 689$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 690$(eval $(call assert_boolean,RAS_EXTENSION)) 691$(eval $(call assert_boolean,RESET_TO_BL31)) 692$(eval $(call assert_boolean,SAVE_KEYS)) 693$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 694$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 695$(eval $(call assert_boolean,SPM_MM)) 696$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 697$(eval $(call assert_boolean,USE_COHERENT_MEM)) 698$(eval $(call assert_boolean,USE_ROMLIB)) 699$(eval $(call assert_boolean,USE_TBBR_DEFS)) 700$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 701$(eval $(call assert_boolean,BL2_AT_EL3)) 702$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 703$(eval $(call assert_boolean,BL2_INV_DCACHE)) 704$(eval $(call assert_boolean,USE_SPINLOCK_CAS)) 705 706$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 707$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 708$(eval $(call assert_numeric,BRANCH_PROTECTION)) 709 710ifdef KEY_SIZE 711 $(eval $(call assert_numeric,KEY_SIZE)) 712endif 713 714ifeq ($(filter $(SANITIZE_UB), on off trap),) 715 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 716endif 717 718################################################################################ 719# Add definitions to the cpp preprocessor based on the current build options. 720# This is done after including the platform specific makefile to allow the 721# platform to overwrite the default options 722################################################################################ 723 724$(eval $(call add_define,ARM_ARCH_MAJOR)) 725$(eval $(call add_define,ARM_ARCH_MINOR)) 726$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 727$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 728$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 729$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 730$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 731$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 732$(eval $(call add_define,ENABLE_AMU)) 733$(eval $(call add_define,ENABLE_ASSERTIONS)) 734$(eval $(call add_define,ENABLE_BTI)) 735$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 736$(eval $(call add_define,ENABLE_PAUTH)) 737$(eval $(call add_define,ENABLE_PIE)) 738$(eval $(call add_define,ENABLE_PMF)) 739$(eval $(call add_define,ENABLE_PSCI_STAT)) 740$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 741$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 742$(eval $(call add_define,ENABLE_SPM)) 743$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 744$(eval $(call add_define,ERROR_DEPRECATED)) 745$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 746$(eval $(call add_define,GICV2_G0_FOR_EL3)) 747$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 748$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 749$(eval $(call add_define,LOG_LEVEL)) 750$(eval $(call add_define,NS_TIMER_SWITCH)) 751$(eval $(call add_define,PL011_GENERIC_UART)) 752$(eval $(call add_define,PLAT_${PLAT})) 753$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 754$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 755$(eval $(call add_define,RAS_EXTENSION)) 756$(eval $(call add_define,RESET_TO_BL31)) 757$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 758$(eval $(call add_define,RECLAIM_INIT_CODE)) 759$(eval $(call add_define,SPD_${SPD})) 760$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 761$(eval $(call add_define,SPM_MM)) 762$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 763$(eval $(call add_define,USE_COHERENT_MEM)) 764$(eval $(call add_define,USE_ROMLIB)) 765$(eval $(call add_define,USE_TBBR_DEFS)) 766$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 767$(eval $(call add_define,BL2_AT_EL3)) 768$(eval $(call add_define,BL2_IN_XIP_MEM)) 769$(eval $(call add_define,BL2_INV_DCACHE)) 770$(eval $(call add_define,USE_SPINLOCK_CAS)) 771 772ifeq (${SANITIZE_UB},trap) 773 $(eval $(call add_define,MONITOR_TRAPS)) 774endif 775 776# Define the EL3_PAYLOAD_BASE flag only if it is provided. 777ifdef EL3_PAYLOAD_BASE 778 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 779else 780 # Define the PRELOADED_BL33_BASE flag only if it is provided and 781 # EL3_PAYLOAD_BASE is not defined, as it has priority. 782 ifdef PRELOADED_BL33_BASE 783 $(eval $(call add_define,PRELOADED_BL33_BASE)) 784 endif 785endif 786 787# Define the DYN_DISABLE_AUTH flag only if set. 788ifeq (${DYN_DISABLE_AUTH},1) 789$(eval $(call add_define,DYN_DISABLE_AUTH)) 790endif 791 792ifneq ($(findstring armlink,$(notdir $(LD))),) 793$(eval $(call add_define,USE_ARM_LINK)) 794endif 795 796################################################################################ 797# Build targets 798################################################################################ 799 800.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs 801.SUFFIXES: 802 803all: msg_start 804 805msg_start: 806 @echo "Building ${PLAT}" 807 808ifeq (${ERROR_DEPRECATED},0) 809# Check if deprecated declarations and cpp warnings should be treated as error or not. 810ifneq ($(findstring clang,$(notdir $(CC))),) 811 CPPFLAGS += -Wno-error=deprecated-declarations 812else 813 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 814endif 815# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 816ASFLAGS += -D__ASSEMBLY__ 817# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 818ifeq (${ARCH},aarch32) 819 $(eval $(call add_define,AARCH32)) 820else 821 $(eval $(call add_define,AARCH64)) 822endif 823endif # !ERROR_DEPRECATED 824 825$(eval $(call MAKE_LIB_DIRS)) 826$(eval $(call MAKE_LIB,c)) 827 828# Expand build macros for the different images 829ifeq (${NEED_BL1},yes) 830$(eval $(call MAKE_BL,1)) 831endif 832 833ifeq (${NEED_BL2},yes) 834ifeq (${BL2_AT_EL3}, 0) 835FIP_BL2_ARGS := tb-fw 836endif 837 838$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 839 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 840endif 841 842ifeq (${NEED_SCP_BL2},yes) 843$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 844endif 845 846ifeq (${NEED_BL31},yes) 847BL31_SOURCES += ${SPD_SOURCES} 848$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 849 $(eval $(call MAKE_BL,31,soc-fw))) 850endif 851 852# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 853# build system will call TOOL_ADD_IMG to print a warning message and abort the 854# process. Note that the dependency on BL32 applies to the FIP only. 855ifeq (${NEED_BL32},yes) 856 857BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 858 859$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 860 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 861endif 862 863# Add the BL33 image if required by the platform 864ifeq (${NEED_BL33},yes) 865$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 866endif 867 868ifeq (${NEED_BL2U},yes) 869$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 870 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 871endif 872 873# Expand build macros for the different images 874ifeq (${NEED_FDT},yes) 875 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 876endif 877 878locate-checkpatch: 879ifndef CHECKPATCH 880 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 881else 882ifeq (,$(wildcard ${CHECKPATCH})) 883 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 884endif 885endif 886 887clean: 888 @echo " CLEAN" 889 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 890 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 891 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 892 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 893 894realclean distclean: 895 @echo " REALCLEAN" 896 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 897 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 898 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 899 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 900 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 901 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 902 903checkcodebase: locate-checkpatch 904 @echo " CHECKING STYLE" 905 @if test -d .git ; then \ 906 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 907 while read GIT_FILE ; \ 908 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 909 done ; \ 910 else \ 911 find . -type f -not -iwholename "*.git*" \ 912 -not -iwholename "*build*" \ 913 -not -iwholename "*libfdt*" \ 914 -not -iwholename "*libc*" \ 915 -not -iwholename "*docs*" \ 916 -not -iwholename "*.rst" \ 917 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 918 fi 919 920checkpatch: locate-checkpatch 921 @echo " CHECKING STYLE" 922 @if test -n "${CHECKPATCH_OPTS}"; then \ 923 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 924 fi 925 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 926 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 927 printf "\n[*] Checking style of '$$commit'\n\n"; \ 928 git log --format=email "$$commit~..$$commit" \ 929 -- ${CHECK_PATHS} | \ 930 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 931 git diff --format=email "$$commit~..$$commit" \ 932 -- ${CHECK_PATHS} | \ 933 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 934 done 935 936certtool: ${CRTTOOL} 937 938.PHONY: ${CRTTOOL} 939${CRTTOOL}: 940 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 941 @${ECHO_BLANK_LINE} 942 @echo "Built $@ successfully" 943 @${ECHO_BLANK_LINE} 944 945ifneq (${GENERATE_COT},0) 946certificates: ${CRT_DEPS} ${CRTTOOL} 947 ${Q}${CRTTOOL} ${CRT_ARGS} 948 @${ECHO_BLANK_LINE} 949 @echo "Built $@ successfully" 950 @echo "Certificates can be found in ${BUILD_PLAT}" 951 @${ECHO_BLANK_LINE} 952endif 953 954${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 955 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 956 ${Q}${FIPTOOL} info $@ 957 @${ECHO_BLANK_LINE} 958 @echo "Built $@ successfully" 959 @${ECHO_BLANK_LINE} 960 961ifneq (${GENERATE_COT},0) 962fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 963 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 964 @${ECHO_BLANK_LINE} 965 @echo "Built $@ successfully" 966 @echo "FWU certificates can be found in ${BUILD_PLAT}" 967 @${ECHO_BLANK_LINE} 968endif 969 970${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 971 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 972 ${Q}${FIPTOOL} info $@ 973 @${ECHO_BLANK_LINE} 974 @echo "Built $@ successfully" 975 @${ECHO_BLANK_LINE} 976 977fiptool: ${FIPTOOL} 978fip: ${BUILD_PLAT}/${FIP_NAME} 979fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 980 981.PHONY: ${FIPTOOL} 982${FIPTOOL}: 983 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 984 985sptool: ${SPTOOL} 986.PHONY: ${SPTOOL} 987${SPTOOL}: 988 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 989 990.PHONY: libraries 991romlib.bin: libraries 992 ${Q}${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 993 994cscope: 995 @echo " CSCOPE" 996 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 997 ${Q}cscope -b -q -k 998 999help: 1000 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1001 @echo "" 1002 @echo "PLAT is used to specify which platform you wish to build." 1003 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1004 @echo "" 1005 @echo "platform = ${PLATFORM_LIST}" 1006 @echo "" 1007 @echo "Please refer to the User Guide for a list of all supported options." 1008 @echo "Note that the build system doesn't track dependencies for build " 1009 @echo "options. Therefore, if any of the build options are changed " 1010 @echo "from a previous build, a clean build must be performed." 1011 @echo "" 1012 @echo "Supported Targets:" 1013 @echo " all Build all individual bootloader binaries" 1014 @echo " bl1 Build the BL1 binary" 1015 @echo " bl2 Build the BL2 binary" 1016 @echo " bl2u Build the BL2U binary" 1017 @echo " bl31 Build the BL31 binary" 1018 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1019 @echo " this builds secure payload specified by AARCH32_SP" 1020 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1021 @echo " fip Build the Firmware Image Package (FIP)" 1022 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1023 @echo " checkcodebase Check the coding style of the entire source tree" 1024 @echo " checkpatch Check the coding style on changes in the current" 1025 @echo " branch against BASE_COMMIT (default origin/master)" 1026 @echo " clean Clean the build for the selected platform" 1027 @echo " cscope Generate cscope index" 1028 @echo " distclean Remove all build artifacts for all platforms" 1029 @echo " certtool Build the Certificate generation tool" 1030 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1031 @echo " sptool Build the Secure Partition Package creation tool" 1032 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1033 @echo "" 1034 @echo "Note: most build targets require PLAT to be set to a specific platform." 1035 @echo "" 1036 @echo "example: build all targets for the FVP platform:" 1037 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1038