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