1# 2# Copyright (c) 2013-2020, 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 $(info USE_SPINLOCK_CAS is an experimental feature) 150endif 151endif 152 153# USE_DEBUGFS experimental feature recommended only in debug builds 154ifeq (${USE_DEBUGFS},1) 155ifeq (${DEBUG},1) 156 $(warning DEBUGFS experimental feature is enabled.) 157else 158 $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY) 159endif 160endif 161 162################################################################################ 163# Toolchain 164################################################################################ 165 166HOSTCC := gcc 167export HOSTCC 168 169CC := ${CROSS_COMPILE}gcc 170CPP := ${CROSS_COMPILE}cpp 171AS := ${CROSS_COMPILE}gcc 172AR := ${CROSS_COMPILE}ar 173LINKER := ${CROSS_COMPILE}ld 174OC := ${CROSS_COMPILE}objcopy 175OD := ${CROSS_COMPILE}objdump 176NM := ${CROSS_COMPILE}nm 177PP := ${CROSS_COMPILE}gcc -E 178DTC := dtc 179 180# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 181ifneq ($(strip $(wildcard ${LD}.bfd) \ 182 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 183LINKER := ${LINKER}.bfd 184endif 185 186ifeq (${ARM_ARCH_MAJOR},7) 187target32-directive = -target arm-none-eabi 188# Will set march32-directive from platform configuration 189else 190target32-directive = -target armv8a-none-eabi 191 192# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option 193ifeq (${ARM_ARCH_MINOR},0) 194march32-directive = -march=armv8-a 195march64-directive = -march=armv8-a 196else 197march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a 198march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a 199endif 200endif 201 202ifneq ($(findstring armclang,$(notdir $(CC))),) 203TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 204TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 205LD = $(LINKER) 206AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 207CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 208PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 209else ifneq ($(findstring clang,$(notdir $(CC))),) 210TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 211TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 212LD = ld.lld 213ifeq (, $(shell which $(LD))) 214$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker") 215endif 216AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 217CPP = $(CC) -E 218PP = $(CC) -E 219else ifneq ($(findstring gcc,$(notdir $(CC))),) 220TF_CFLAGS_aarch32 = $(march32-directive) 221TF_CFLAGS_aarch64 = $(march64-directive) 222ifeq ($(ENABLE_LTO),1) 223 # Enable LTO only for aarch64 224 ifeq (${ARCH},aarch64) 225 LTO_CFLAGS = -flto 226 # Use gcc as a wrapper for the ld, recommended for LTO 227 LINKER := ${CROSS_COMPILE}gcc 228 endif 229endif 230LD = $(LINKER) 231else 232TF_CFLAGS_aarch32 = $(march32-directive) 233TF_CFLAGS_aarch64 = $(march64-directive) 234LD = $(LINKER) 235endif 236 237ifeq (${AARCH32_INSTRUCTION_SET},A32) 238TF_CFLAGS_aarch32 += -marm 239else ifeq (${AARCH32_INSTRUCTION_SET},T32) 240TF_CFLAGS_aarch32 += -mthumb 241else 242$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 243endif 244 245TF_CFLAGS_aarch32 += -mno-unaligned-access 246TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 247 248ifneq (${BP_OPTION},none) 249TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 250endif 251 252ASFLAGS_aarch32 = $(march32-directive) 253ASFLAGS_aarch64 = $(march64-directive) 254 255# General warnings 256WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 257 -Wdisabled-optimization -Wvla -Wshadow \ 258 -Wno-unused-parameter 259 260# Additional warnings 261# Level 1 262WARNING1 := -Wextra 263WARNING1 += -Wmissing-format-attribute 264WARNING1 += -Wmissing-prototypes 265WARNING1 += -Wold-style-definition 266 267# Level 2 268WARNING2 := -Waggregate-return 269WARNING2 += -Wcast-align 270WARNING2 += -Wnested-externs 271 272WARNING3 := -Wbad-function-cast 273WARNING3 += -Wcast-qual 274WARNING3 += -Wconversion 275WARNING3 += -Wpacked 276WARNING3 += -Wpointer-arith 277WARNING3 += -Wredundant-decls 278WARNING3 += -Wswitch-default 279 280ifeq (${W},1) 281WARNINGS += $(WARNING1) 282else ifeq (${W},2) 283WARNINGS += $(WARNING1) $(WARNING2) 284else ifeq (${W},3) 285WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 286endif 287 288# Compiler specific warnings 289ifeq ($(findstring clang,$(notdir $(CC))),) 290# not using clang 291WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 292 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 293 -Wlogical-op 294else 295# using clang 296WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 297 -Wlogical-op-parentheses 298endif 299 300ifneq (${E},0) 301ERRORS := -Werror 302endif 303 304CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 305 $(ERRORS) $(WARNINGS) 306ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 307 -ffreestanding -Wa,--fatal-warnings 308TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 309 -ffunction-sections -fdata-sections \ 310 -ffreestanding -fno-builtin -fno-common \ 311 -Os -std=gnu99 312 313ifeq (${SANITIZE_UB},on) 314TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 315endif 316ifeq (${SANITIZE_UB},trap) 317TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 318 -fsanitize-undefined-trap-on-error 319endif 320 321GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 322 323# LD = armlink 324ifneq ($(findstring armlink,$(notdir $(LD))),) 325TF_LDFLAGS += --diag_error=warning --lto_level=O1 326TF_LDFLAGS += --remove --info=unused,unusedsymbols 327TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 328 329# LD = gcc (used when GCC LTO is enabled) 330else ifneq ($(findstring gcc,$(notdir $(LD))),) 331# Pass ld options with Wl or Xlinker switches 332TF_LDFLAGS += -Wl,--fatal-warnings -O1 333TF_LDFLAGS += -Wl,--gc-sections 334ifeq ($(ENABLE_LTO),1) 335 ifeq (${ARCH},aarch64) 336 TF_LDFLAGS += -flto -fuse-linker-plugin 337 endif 338endif 339# GCC automatically adds fix-cortex-a53-843419 flag when used to link 340# which breaks some builds, so disable if errata fix is not explicitly enabled 341ifneq (${ERRATA_A53_843419},1) 342 TF_LDFLAGS += -mno-fix-cortex-a53-843419 343endif 344TF_LDFLAGS += -nostdlib 345TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 346 347# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 348else 349TF_LDFLAGS += --fatal-warnings -O1 350TF_LDFLAGS += --gc-sections 351# ld.lld doesn't recognize the errata flags, 352# therefore don't add those in that case 353ifeq ($(findstring ld.lld,$(notdir $(LD))),) 354TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 355endif 356endif 357 358DTC_FLAGS += -I dts -O dtb 359DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef -x assembler-with-cpp 360 361################################################################################ 362# Common sources and include directories 363################################################################################ 364include lib/compiler-rt/compiler-rt.mk 365 366BL_COMMON_SOURCES += common/bl_common.c \ 367 common/tf_log.c \ 368 common/${ARCH}/debug.S \ 369 drivers/console/multi_console.c \ 370 lib/${ARCH}/cache_helpers.S \ 371 lib/${ARCH}/misc_helpers.S \ 372 plat/common/plat_bl_common.c \ 373 plat/common/plat_log_common.c \ 374 plat/common/${ARCH}/plat_common.c \ 375 plat/common/${ARCH}/platform_helpers.S \ 376 ${COMPILER_RT_SRCS} 377 378ifeq ($(notdir $(CC)),armclang) 379BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 380endif 381 382ifeq (${SANITIZE_UB},on) 383BL_COMMON_SOURCES += plat/common/ubsan.c 384endif 385 386INCLUDES += -Iinclude \ 387 -Iinclude/arch/${ARCH} \ 388 -Iinclude/lib/cpus/${ARCH} \ 389 -Iinclude/lib/el3_runtime/${ARCH} \ 390 ${PLAT_INCLUDES} \ 391 ${SPD_INCLUDES} 392 393include common/backtrace/backtrace.mk 394 395################################################################################ 396# Generic definitions 397################################################################################ 398 399include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 400 401BUILD_BASE := ./build 402BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 403 404SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 405 406# Platforms providing their own TBB makefile may override this value 407INCLUDE_TBBR_MK := 1 408 409 410################################################################################ 411# Include SPD Makefile if one has been specified 412################################################################################ 413 414ifneq (${SPD},none) 415ifeq (${ARCH},aarch32) 416 $(error "Error: SPD is incompatible with AArch32.") 417endif 418ifdef EL3_PAYLOAD_BASE 419 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 420 $(warning "The SPD and its BL32 companion will be present but ignored.") 421endif 422 # We expect to locate an spd.mk under the specified SPD directory 423 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 424 425 ifeq (${SPD_MAKE},) 426 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 427 endif 428 $(info Including ${SPD_MAKE}) 429 include ${SPD_MAKE} 430 431 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 432 # Makefile would set NEED_BL32 to "yes". In this case, the build system 433 # supports two mutually exclusive options: 434 # * BL32 is built from source: then BL32_SOURCES must contain the list 435 # of source files to build BL32 436 # * BL32 is a prebuilt binary: then BL32 must point to the image file 437 # that will be included in the FIP 438 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 439 # over the sources. 440endif 441 442################################################################################ 443# Include the platform specific Makefile after the SPD Makefile (the platform 444# makefile may use all previous definitions in this file) 445################################################################################ 446 447include ${PLAT_MAKEFILE_FULL} 448 449$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 450 451ifeq (${ARM_ARCH_MAJOR},7) 452include make_helpers/armv7-a-cpus.mk 453endif 454 455ifeq ($(ENABLE_PIE),1) 456 TF_CFLAGS += -fpie 457 ifneq ($(findstring gcc,$(notdir $(LD))),) 458 TF_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 459 else 460 TF_LDFLAGS += -pie --no-dynamic-linker 461 endif 462else 463 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 464 ifneq ($(PIE_FOUND),) 465 TF_CFLAGS += -fno-PIE 466 endif 467endif 468 469# Include the CPU specific operations makefile, which provides default 470# values for all CPU errata workarounds and CPU specific optimisations. 471# This can be overridden by the platform. 472include lib/cpus/cpu-ops.mk 473 474ifeq (${ARCH},aarch32) 475NEED_BL32 := yes 476 477################################################################################ 478# Build `AARCH32_SP` as BL32 image for AArch32 479################################################################################ 480ifneq (${AARCH32_SP},none) 481# We expect to locate an sp.mk under the specified AARCH32_SP directory 482AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 483 484ifeq (${AARCH32_SP_MAKE},) 485 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 486endif 487 488$(info Including ${AARCH32_SP_MAKE}) 489include ${AARCH32_SP_MAKE} 490endif 491 492endif 493 494################################################################################ 495# Include libc if not overridden 496################################################################################ 497ifeq (${OVERRIDE_LIBC},0) 498include lib/libc/libc.mk 499endif 500 501################################################################################ 502# Check incompatible options 503################################################################################ 504 505ifdef EL3_PAYLOAD_BASE 506 ifdef PRELOADED_BL33_BASE 507 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 508 incompatible build options. EL3_PAYLOAD_BASE has priority.") 509 endif 510 ifneq (${GENERATE_COT},0) 511 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 512 endif 513 ifneq (${TRUSTED_BOARD_BOOT},0) 514 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 515 endif 516endif 517 518ifeq (${NEED_BL33},yes) 519 ifdef EL3_PAYLOAD_BASE 520 $(warning "BL33 image is not needed when option \ 521 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 522 endif 523 ifdef PRELOADED_BL33_BASE 524 $(warning "BL33 image is not needed when option \ 525 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 526 file.") 527 endif 528endif 529 530# When building for systems with hardware-assisted coherency, there's no need to 531# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 532ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 533$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 534endif 535 536#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 537ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 538$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 539endif 540 541# For RAS_EXTENSION, require that EAs are handled in EL3 first 542ifeq ($(RAS_EXTENSION),1) 543 ifneq ($(HANDLE_EA_EL3_FIRST),1) 544 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 545 endif 546endif 547 548# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 549ifeq ($(FAULT_INJECTION_SUPPORT),1) 550 ifneq ($(RAS_EXTENSION),1) 551 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 552 endif 553endif 554 555# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 556ifeq ($(DYN_DISABLE_AUTH), 1) 557 ifeq (${TRUSTED_BOARD_BOOT}, 0) 558 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 559 endif 560endif 561 562# If pointer authentication is used in the firmware, make sure that all the 563# registers associated to it are also saved and restored. 564# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 565ifeq ($(ENABLE_PAUTH),1) 566 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 567 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 568 endif 569endif 570 571ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 572 ifneq (${ARCH},aarch64) 573 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 574 else 575 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 576 endif 577endif 578 579ifeq ($(ENABLE_PAUTH),1) 580 $(info Pointer Authentication is an experimental feature) 581endif 582 583ifeq ($(ENABLE_BTI),1) 584 $(info Branch Protection is an experimental feature) 585endif 586 587ifeq ($(CTX_INCLUDE_MTE_REGS),1) 588 ifneq (${ARCH},aarch64) 589 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 590 else 591 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 592 endif 593endif 594 595################################################################################ 596# Process platform overrideable behaviour 597################################################################################ 598 599# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 600# Certificate generation tools. This flag can be overridden by the platform. 601ifdef BL2_SOURCES 602 ifdef EL3_PAYLOAD_BASE 603 # If booting an EL3 payload there is no need for a BL33 image 604 # in the FIP file. 605 NEED_BL33 := no 606 else 607 ifdef PRELOADED_BL33_BASE 608 # If booting a BL33 preloaded image there is no need of 609 # another one in the FIP file. 610 NEED_BL33 := no 611 else 612 NEED_BL33 ?= yes 613 endif 614 endif 615endif 616 617# If SCP_BL2 is given, we always want FIP to include it. 618ifdef SCP_BL2 619 NEED_SCP_BL2 := yes 620endif 621 622# For AArch32, BL31 is not currently supported. 623ifneq (${ARCH},aarch32) 624 ifdef BL31_SOURCES 625 # When booting an EL3 payload, there is no need to compile the BL31 image nor 626 # put it in the FIP. 627 ifndef EL3_PAYLOAD_BASE 628 NEED_BL31 := yes 629 endif 630 endif 631endif 632 633# Process TBB related flags 634ifneq (${GENERATE_COT},0) 635 # Common cert_create options 636 ifneq (${CREATE_KEYS},0) 637 $(eval CRT_ARGS += -n) 638 $(eval FWU_CRT_ARGS += -n) 639 ifneq (${SAVE_KEYS},0) 640 $(eval CRT_ARGS += -k) 641 $(eval FWU_CRT_ARGS += -k) 642 endif 643 endif 644 # Include TBBR makefile (unless the platform indicates otherwise) 645 ifeq (${INCLUDE_TBBR_MK},1) 646 include make_helpers/tbbr/tbbr_tools.mk 647 endif 648endif 649 650ifneq (${FIP_ALIGN},0) 651FIP_ARGS += --align ${FIP_ALIGN} 652endif 653 654################################################################################ 655# Include libraries' Makefile that are used in all BL 656################################################################################ 657 658include lib/stack_protector/stack_protector.mk 659 660################################################################################ 661# Auxiliary tools (fiptool, cert_create, etc) 662################################################################################ 663 664# Variables for use with Certificate Generation Tool 665CRTTOOLPATH ?= tools/cert_create 666CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 667 668# Variables for use with Firmware Image Package 669FIPTOOLPATH ?= tools/fiptool 670FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 671 672# Variables for use with sptool 673SPTOOLPATH ?= tools/sptool 674SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 675 676# Variables for use with ROMLIB 677ROMLIBPATH ?= lib/romlib 678 679# Variable for use with Python 680PYTHON ?= python3 681 682# Variables for use with PRINT_MEMORY_MAP 683PRINT_MEMORY_MAP_PATH ?= tools/memory 684PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 685 686################################################################################ 687# Include BL specific makefiles 688################################################################################ 689ifdef BL1_SOURCES 690NEED_BL1 := yes 691include bl1/bl1.mk 692endif 693 694ifdef BL2_SOURCES 695NEED_BL2 := yes 696include bl2/bl2.mk 697endif 698 699ifdef BL2U_SOURCES 700NEED_BL2U := yes 701include bl2u/bl2u.mk 702endif 703 704ifeq (${NEED_BL31},yes) 705ifdef BL31_SOURCES 706include bl31/bl31.mk 707endif 708endif 709 710ifdef FDT_SOURCES 711NEED_FDT := yes 712endif 713 714################################################################################ 715# Build options checks 716################################################################################ 717 718$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 719$(eval $(call assert_boolean,CREATE_KEYS)) 720$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 721$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 722$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 723$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 724$(eval $(call assert_boolean,DEBUG)) 725$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 726$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 727$(eval $(call assert_boolean,ENABLE_AMU)) 728$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 729$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 730$(eval $(call assert_boolean,ENABLE_PIE)) 731$(eval $(call assert_boolean,ENABLE_PMF)) 732$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 733$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 734$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 735$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 736$(eval $(call assert_boolean,ERROR_DEPRECATED)) 737$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 738$(eval $(call assert_boolean,GENERATE_COT)) 739$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 740$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 741$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 742$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 743$(eval $(call assert_boolean,OVERRIDE_LIBC)) 744$(eval $(call assert_boolean,PL011_GENERIC_UART)) 745$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 746$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 747$(eval $(call assert_boolean,RAS_EXTENSION)) 748$(eval $(call assert_boolean,RESET_TO_BL31)) 749$(eval $(call assert_boolean,SAVE_KEYS)) 750$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 751$(eval $(call assert_boolean,SEPARATE_NOBITS_REGION)) 752$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 753$(eval $(call assert_boolean,SPM_MM)) 754$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 755$(eval $(call assert_boolean,USE_COHERENT_MEM)) 756$(eval $(call assert_boolean,USE_DEBUGFS)) 757$(eval $(call assert_boolean,USE_ROMLIB)) 758$(eval $(call assert_boolean,USE_TBBR_DEFS)) 759$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 760$(eval $(call assert_boolean,BL2_AT_EL3)) 761$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 762$(eval $(call assert_boolean,BL2_INV_DCACHE)) 763$(eval $(call assert_boolean,USE_SPINLOCK_CAS)) 764 765$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 766$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 767$(eval $(call assert_numeric,BRANCH_PROTECTION)) 768 769ifdef KEY_SIZE 770 $(eval $(call assert_numeric,KEY_SIZE)) 771endif 772 773ifeq ($(filter $(SANITIZE_UB), on off trap),) 774 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 775endif 776 777################################################################################ 778# Add definitions to the cpp preprocessor based on the current build options. 779# This is done after including the platform specific makefile to allow the 780# platform to overwrite the default options 781################################################################################ 782 783$(eval $(call add_define,ARM_ARCH_MAJOR)) 784$(eval $(call add_define,ARM_ARCH_MINOR)) 785$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 786$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 787$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 788$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 789$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 790$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 791$(eval $(call add_define,ENABLE_AMU)) 792$(eval $(call add_define,ENABLE_ASSERTIONS)) 793$(eval $(call add_define,ENABLE_BTI)) 794$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 795$(eval $(call add_define,ENABLE_PAUTH)) 796$(eval $(call add_define,ENABLE_PIE)) 797$(eval $(call add_define,ENABLE_PMF)) 798$(eval $(call add_define,ENABLE_PSCI_STAT)) 799$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 800$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 801$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 802$(eval $(call add_define,ERROR_DEPRECATED)) 803$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 804$(eval $(call add_define,GICV2_G0_FOR_EL3)) 805$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 806$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 807$(eval $(call add_define,LOG_LEVEL)) 808$(eval $(call add_define,NS_TIMER_SWITCH)) 809$(eval $(call add_define,PL011_GENERIC_UART)) 810$(eval $(call add_define,PLAT_${PLAT})) 811$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 812$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 813$(eval $(call add_define,RAS_EXTENSION)) 814$(eval $(call add_define,RESET_TO_BL31)) 815$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 816$(eval $(call add_define,SEPARATE_NOBITS_REGION)) 817$(eval $(call add_define,RECLAIM_INIT_CODE)) 818$(eval $(call add_define,SPD_${SPD})) 819$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 820$(eval $(call add_define,SPM_MM)) 821$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 822$(eval $(call add_define,USE_COHERENT_MEM)) 823$(eval $(call add_define,USE_DEBUGFS)) 824$(eval $(call add_define,USE_ROMLIB)) 825$(eval $(call add_define,USE_TBBR_DEFS)) 826$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 827$(eval $(call add_define,BL2_AT_EL3)) 828$(eval $(call add_define,BL2_IN_XIP_MEM)) 829$(eval $(call add_define,BL2_INV_DCACHE)) 830$(eval $(call add_define,USE_SPINLOCK_CAS)) 831 832ifeq (${SANITIZE_UB},trap) 833 $(eval $(call add_define,MONITOR_TRAPS)) 834endif 835 836# Define the EL3_PAYLOAD_BASE flag only if it is provided. 837ifdef EL3_PAYLOAD_BASE 838 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 839else 840 # Define the PRELOADED_BL33_BASE flag only if it is provided and 841 # EL3_PAYLOAD_BASE is not defined, as it has priority. 842 ifdef PRELOADED_BL33_BASE 843 $(eval $(call add_define,PRELOADED_BL33_BASE)) 844 endif 845endif 846 847# Define the DYN_DISABLE_AUTH flag only if set. 848ifeq (${DYN_DISABLE_AUTH},1) 849$(eval $(call add_define,DYN_DISABLE_AUTH)) 850endif 851 852ifneq ($(findstring armlink,$(notdir $(LD))),) 853$(eval $(call add_define,USE_ARM_LINK)) 854endif 855 856################################################################################ 857# Build targets 858################################################################################ 859 860.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs memmap 861.SUFFIXES: 862 863all: msg_start 864 865msg_start: 866 @echo "Building ${PLAT}" 867 868ifeq (${ERROR_DEPRECATED},0) 869# Check if deprecated declarations and cpp warnings should be treated as error or not. 870ifneq ($(findstring clang,$(notdir $(CC))),) 871 CPPFLAGS += -Wno-error=deprecated-declarations 872else 873 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 874endif 875# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 876ASFLAGS += -D__ASSEMBLY__ 877# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 878ifeq (${ARCH},aarch32) 879 $(eval $(call add_define,AARCH32)) 880else 881 $(eval $(call add_define,AARCH64)) 882endif 883endif # !ERROR_DEPRECATED 884 885$(eval $(call MAKE_LIB_DIRS)) 886$(eval $(call MAKE_LIB,c)) 887 888# Expand build macros for the different images 889ifeq (${NEED_BL1},yes) 890$(eval $(call MAKE_BL,1)) 891endif 892 893ifeq (${NEED_BL2},yes) 894ifeq (${BL2_AT_EL3}, 0) 895FIP_BL2_ARGS := tb-fw 896endif 897 898$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 899 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 900endif 901 902ifeq (${NEED_SCP_BL2},yes) 903$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 904endif 905 906ifeq (${NEED_BL31},yes) 907BL31_SOURCES += ${SPD_SOURCES} 908$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 909 $(eval $(call MAKE_BL,31,soc-fw))) 910endif 911 912# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 913# build system will call TOOL_ADD_IMG to print a warning message and abort the 914# process. Note that the dependency on BL32 applies to the FIP only. 915ifeq (${NEED_BL32},yes) 916 917BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 918 919$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 920 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 921endif 922 923# Add the BL33 image if required by the platform 924ifeq (${NEED_BL33},yes) 925$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 926endif 927 928ifeq (${NEED_BL2U},yes) 929$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 930 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 931endif 932 933# Expand build macros for the different images 934ifeq (${NEED_FDT},yes) 935 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 936endif 937 938locate-checkpatch: 939ifndef CHECKPATCH 940 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 941else 942ifeq (,$(wildcard ${CHECKPATCH})) 943 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 944endif 945endif 946 947clean: 948 @echo " CLEAN" 949 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 950 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 951 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 952 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 953 954realclean distclean: 955 @echo " REALCLEAN" 956 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 957 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 958 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 959 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 960 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 961 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 962 963checkcodebase: locate-checkpatch 964 @echo " CHECKING STYLE" 965 @if test -d .git ; then \ 966 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 967 while read GIT_FILE ; \ 968 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 969 done ; \ 970 else \ 971 find . -type f -not -iwholename "*.git*" \ 972 -not -iwholename "*build*" \ 973 -not -iwholename "*libfdt*" \ 974 -not -iwholename "*libc*" \ 975 -not -iwholename "*docs*" \ 976 -not -iwholename "*.rst" \ 977 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 978 fi 979 980checkpatch: locate-checkpatch 981 @echo " CHECKING STYLE" 982 @if test -n "${CHECKPATCH_OPTS}"; then \ 983 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 984 fi 985 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 986 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 987 printf "\n[*] Checking style of '$$commit'\n\n"; \ 988 git log --format=email "$$commit~..$$commit" \ 989 -- ${CHECK_PATHS} | \ 990 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 991 git diff --format=email "$$commit~..$$commit" \ 992 -- ${CHECK_PATHS} | \ 993 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 994 done 995 996certtool: ${CRTTOOL} 997 998.PHONY: ${CRTTOOL} 999${CRTTOOL}: 1000 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 1001 @${ECHO_BLANK_LINE} 1002 @echo "Built $@ successfully" 1003 @${ECHO_BLANK_LINE} 1004 1005ifneq (${GENERATE_COT},0) 1006certificates: ${CRT_DEPS} ${CRTTOOL} 1007 ${Q}${CRTTOOL} ${CRT_ARGS} 1008 @${ECHO_BLANK_LINE} 1009 @echo "Built $@ successfully" 1010 @echo "Certificates can be found in ${BUILD_PLAT}" 1011 @${ECHO_BLANK_LINE} 1012endif 1013 1014${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1015 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1016 ${Q}${FIPTOOL} info $@ 1017 @${ECHO_BLANK_LINE} 1018 @echo "Built $@ successfully" 1019 @${ECHO_BLANK_LINE} 1020 1021ifneq (${GENERATE_COT},0) 1022fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1023 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1024 @${ECHO_BLANK_LINE} 1025 @echo "Built $@ successfully" 1026 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1027 @${ECHO_BLANK_LINE} 1028endif 1029 1030${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1031 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1032 ${Q}${FIPTOOL} info $@ 1033 @${ECHO_BLANK_LINE} 1034 @echo "Built $@ successfully" 1035 @${ECHO_BLANK_LINE} 1036 1037fiptool: ${FIPTOOL} 1038fip: ${BUILD_PLAT}/${FIP_NAME} 1039fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1040 1041.PHONY: ${FIPTOOL} 1042${FIPTOOL}: 1043 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 1044 1045sptool: ${SPTOOL} 1046.PHONY: ${SPTOOL} 1047${SPTOOL}: 1048 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 1049 1050.PHONY: libraries 1051romlib.bin: libraries 1052 ${Q}${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 1053 1054# Call print_memory_map tool 1055memmap: all 1056 ${Q}${PYTHON} $(PRINT_MEMORY_MAP) $(BUILD_PLAT) 1057 1058cscope: 1059 @echo " CSCOPE" 1060 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1061 ${Q}cscope -b -q -k 1062 1063help: 1064 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1065 @echo "" 1066 @echo "PLAT is used to specify which platform you wish to build." 1067 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1068 @echo "" 1069 @echo "platform = ${PLATFORM_LIST}" 1070 @echo "" 1071 @echo "Please refer to the User Guide for a list of all supported options." 1072 @echo "Note that the build system doesn't track dependencies for build " 1073 @echo "options. Therefore, if any of the build options are changed " 1074 @echo "from a previous build, a clean build must be performed." 1075 @echo "" 1076 @echo "Supported Targets:" 1077 @echo " all Build all individual bootloader binaries" 1078 @echo " bl1 Build the BL1 binary" 1079 @echo " bl2 Build the BL2 binary" 1080 @echo " bl2u Build the BL2U binary" 1081 @echo " bl31 Build the BL31 binary" 1082 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1083 @echo " this builds secure payload specified by AARCH32_SP" 1084 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1085 @echo " fip Build the Firmware Image Package (FIP)" 1086 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1087 @echo " checkcodebase Check the coding style of the entire source tree" 1088 @echo " checkpatch Check the coding style on changes in the current" 1089 @echo " branch against BASE_COMMIT (default origin/master)" 1090 @echo " clean Clean the build for the selected platform" 1091 @echo " cscope Generate cscope index" 1092 @echo " distclean Remove all build artifacts for all platforms" 1093 @echo " certtool Build the Certificate generation tool" 1094 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1095 @echo " sptool Build the Secure Partition Package creation tool" 1096 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1097 @echo " memmap Print the memory map of the built binaries" 1098 @echo "" 1099 @echo "Note: most build targets require PLAT to be set to a specific platform." 1100 @echo "" 1101 @echo "example: build all targets for the FVP platform:" 1102 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1103