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