1# 2# Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# 8# Trusted Firmware Version 9# 10VERSION_MAJOR := 2 11VERSION_MINOR := 1 12 13# Default goal is build all images 14.DEFAULT_GOAL := all 15 16# Avoid any implicit propagation of command line variable definitions to 17# sub-Makefiles, like CFLAGS that we reserved for the firmware images' 18# usage. Other command line options like "-s" are still propagated as usual. 19MAKEOVERRIDES = 20 21MAKE_HELPERS_DIRECTORY := make_helpers/ 22include ${MAKE_HELPERS_DIRECTORY}build_macros.mk 23include ${MAKE_HELPERS_DIRECTORY}build_env.mk 24 25################################################################################ 26# Default values for build configurations, and their dependencies 27################################################################################ 28 29include ${MAKE_HELPERS_DIRECTORY}defaults.mk 30 31# Assertions enabled for DEBUG builds by default 32ENABLE_ASSERTIONS := ${DEBUG} 33ENABLE_PMF := ${ENABLE_RUNTIME_INSTRUMENTATION} 34PLAT := ${DEFAULT_PLAT} 35 36################################################################################ 37# Checkpatch script options 38################################################################################ 39 40CHECKCODE_ARGS := --no-patch 41# Do not check the coding style on imported library files or documentation files 42INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 43 include/lib/libfdt \ 44 include/lib/libc, \ 45 $(wildcard include/lib/*))) 46INC_DIRS_TO_CHECK := $(sort $(filter-out \ 47 include/lib, \ 48 $(wildcard include/*))) 49LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 50 lib/compiler-rt \ 51 lib/libfdt% \ 52 lib/libc, \ 53 $(wildcard lib/*))) 54ROOT_DIRS_TO_CHECK := $(sort $(filter-out \ 55 lib \ 56 include \ 57 docs \ 58 %.rst, \ 59 $(wildcard *))) 60CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \ 61 ${INC_DIRS_TO_CHECK} \ 62 ${INC_LIB_DIRS_TO_CHECK} \ 63 ${LIB_DIRS_TO_CHECK} 64 65 66################################################################################ 67# Process build options 68################################################################################ 69 70# Verbose flag 71ifeq (${V},0) 72 Q:=@ 73 ECHO:=@echo 74 CHECKCODE_ARGS += --no-summary --terse 75else 76 Q:= 77 ECHO:=$(ECHO_QUIET) 78endif 79 80ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) 81 Q:=@ 82 ECHO:=$(ECHO_QUIET) 83endif 84 85export Q ECHO 86 87# Process Debug flag 88$(eval $(call add_define,DEBUG)) 89ifneq (${DEBUG}, 0) 90 BUILD_TYPE := debug 91 TF_CFLAGS += -g 92 93 ifneq ($(findstring clang,$(notdir $(CC))),) 94 ASFLAGS += -g 95 else 96 ASFLAGS += -g -Wa,--gdwarf-2 97 endif 98 99 # Use LOG_LEVEL_INFO by default for debug builds 100 LOG_LEVEL := 40 101else 102 BUILD_TYPE := release 103 # Use LOG_LEVEL_NOTICE by default for release builds 104 LOG_LEVEL := 20 105endif 106 107# Default build string (git branch and commit) 108ifeq (${BUILD_STRING},) 109 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 110endif 111VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 112 113# The cert_create tool cannot generate certificates individually, so we use the 114# target 'certificates' to create them all 115ifneq (${GENERATE_COT},0) 116 FIP_DEPS += certificates 117 FWU_FIP_DEPS += fwu_certificates 118endif 119 120# Process BRANCH_PROTECTION value and set 121# Pointer Authentication and Branch Target Identification flags 122ifeq (${BRANCH_PROTECTION},0) 123 # Default value turns off all types of branch protection 124 BP_OPTION := none 125else ifneq (${ARCH},aarch64) 126 $(error BRANCH_PROTECTION requires AArch64) 127else ifeq (${BRANCH_PROTECTION},1) 128 # Enables all types of branch protection features 129 BP_OPTION := standard 130 ENABLE_BTI := 1 131 ENABLE_PAUTH := 1 132else ifeq (${BRANCH_PROTECTION},2) 133 # Return address signing to its standard level 134 BP_OPTION := pac-ret 135 ENABLE_PAUTH := 1 136else ifeq (${BRANCH_PROTECTION},3) 137 # Extend the signing to include leaf functions 138 BP_OPTION := pac-ret+leaf 139 ENABLE_PAUTH := 1 140else 141 $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION}) 142endif 143 144################################################################################ 145# Toolchain 146################################################################################ 147 148HOSTCC := gcc 149export HOSTCC 150 151CC := ${CROSS_COMPILE}gcc 152CPP := ${CROSS_COMPILE}cpp 153AS := ${CROSS_COMPILE}gcc 154AR := ${CROSS_COMPILE}ar 155LINKER := ${CROSS_COMPILE}ld 156OC := ${CROSS_COMPILE}objcopy 157OD := ${CROSS_COMPILE}objdump 158NM := ${CROSS_COMPILE}nm 159PP := ${CROSS_COMPILE}gcc -E 160DTC := dtc 161 162# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 163ifneq ($(strip $(wildcard ${LD}.bfd) \ 164 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 165LINKER := ${LINKER}.bfd 166endif 167 168ifeq (${ARM_ARCH_MAJOR},7) 169target32-directive = -target arm-none-eabi 170# Will set march32-directive from platform configuration 171else 172target32-directive = -target armv8a-none-eabi 173 174# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option 175ifeq (${ARM_ARCH_MINOR},0) 176march32-directive = -march=armv8-a 177march64-directive = -march=armv8-a 178else 179march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a 180march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a 181endif 182endif 183 184ifneq ($(findstring armclang,$(notdir $(CC))),) 185TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 186TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 187LD = $(LINKER) 188AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 189CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 190PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 191else ifneq ($(findstring clang,$(notdir $(CC))),) 192TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 193TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 194LD = $(LINKER) 195AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 196CPP = $(CC) -E 197PP = $(CC) -E 198else 199TF_CFLAGS_aarch32 = $(march32-directive) 200TF_CFLAGS_aarch64 = $(march64-directive) 201LD = $(LINKER) 202endif 203 204ifeq (${AARCH32_INSTRUCTION_SET},A32) 205TF_CFLAGS_aarch32 += -marm 206else ifeq (${AARCH32_INSTRUCTION_SET},T32) 207TF_CFLAGS_aarch32 += -mthumb 208else 209$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 210endif 211 212TF_CFLAGS_aarch32 += -mno-unaligned-access 213TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 214 215ifneq (${BP_OPTION},none) 216TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 217endif 218 219ASFLAGS_aarch32 = $(march32-directive) 220ASFLAGS_aarch64 = $(march64-directive) 221 222WARNING1 := -Wextra 223WARNING1 += -Wmissing-declarations 224WARNING1 += -Wmissing-format-attribute 225WARNING1 += -Wmissing-prototypes 226WARNING1 += -Wold-style-definition 227WARNING1 += -Wunused-const-variable 228 229WARNING2 := -Waggregate-return 230WARNING2 += -Wcast-align 231WARNING2 += -Wnested-externs 232WARNING2 += -Wshadow 233WARNING2 += -Wlogical-op 234WARNING2 += -Wmissing-field-initializers 235WARNING2 += -Wsign-compare 236 237WARNING3 := -Wbad-function-cast 238WARNING3 += -Wcast-qual 239WARNING3 += -Wconversion 240WARNING3 += -Wpacked 241WARNING3 += -Wpadded 242WARNING3 += -Wpointer-arith 243WARNING3 += -Wredundant-decls 244WARNING3 += -Wswitch-default 245 246ifeq (${W},1) 247WARNINGS := $(WARNING1) 248else ifeq (${W},2) 249WARNINGS := $(WARNING1) $(WARNING2) 250else ifeq (${W},3) 251WARNINGS := $(WARNING1) $(WARNING2) $(WARNING3) 252endif 253 254WARNINGS += -Wunused -Wno-unused-parameter \ 255 -Wdisabled-optimization \ 256 -Wvla 257 258ifeq ($(findstring clang,$(notdir $(CC))),) 259# not using clang 260WARNINGS += -Wunused-but-set-variable \ 261 -Wmaybe-uninitialized \ 262 -Wpacked-bitfield-compat \ 263 -Wshift-overflow=2 264else 265# using clang 266WARNINGS += -Wshift-overflow -Wshift-sign-overflow 267endif 268 269ifneq (${E},0) 270ERRORS := -Werror 271endif 272 273CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 274 -Wmissing-include-dirs $(ERRORS) $(WARNINGS) 275ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 276 -ffreestanding -Wa,--fatal-warnings 277TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 278 -ffreestanding -fno-builtin -Wall -std=gnu99 \ 279 -Os -ffunction-sections -fdata-sections 280 281ifeq (${SANITIZE_UB},on) 282TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 283endif 284ifeq (${SANITIZE_UB},trap) 285TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 286 -fsanitize-undefined-trap-on-error 287endif 288 289GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 290 291ifneq ($(findstring armlink,$(notdir $(LD))),) 292TF_LDFLAGS += --diag_error=warning --lto_level=O1 293TF_LDFLAGS += --remove --info=unused,unusedsymbols 294else 295TF_LDFLAGS += --fatal-warnings -O1 296TF_LDFLAGS += --gc-sections 297endif 298TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 299 300DTC_FLAGS += -I dts -O dtb 301DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 302 303################################################################################ 304# Common sources and include directories 305################################################################################ 306include lib/compiler-rt/compiler-rt.mk 307 308BL_COMMON_SOURCES += common/bl_common.c \ 309 common/tf_log.c \ 310 common/${ARCH}/debug.S \ 311 drivers/console/multi_console.c \ 312 lib/${ARCH}/cache_helpers.S \ 313 lib/${ARCH}/misc_helpers.S \ 314 plat/common/plat_bl_common.c \ 315 plat/common/plat_log_common.c \ 316 plat/common/${ARCH}/plat_common.c \ 317 plat/common/${ARCH}/platform_helpers.S \ 318 ${COMPILER_RT_SRCS} 319 320ifeq ($(notdir $(CC)),armclang) 321BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 322endif 323 324ifeq (${SANITIZE_UB},on) 325BL_COMMON_SOURCES += plat/common/ubsan.c 326endif 327 328INCLUDES += -Iinclude \ 329 -Iinclude/arch/${ARCH} \ 330 -Iinclude/lib/cpus/${ARCH} \ 331 -Iinclude/lib/el3_runtime/${ARCH} \ 332 ${PLAT_INCLUDES} \ 333 ${SPD_INCLUDES} 334 335include common/backtrace/backtrace.mk 336 337################################################################################ 338# Generic definitions 339################################################################################ 340 341include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 342 343BUILD_BASE := ./build 344BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 345 346SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 347 348# Platforms providing their own TBB makefile may override this value 349INCLUDE_TBBR_MK := 1 350 351 352################################################################################ 353# Include SPD Makefile if one has been specified 354################################################################################ 355 356ifneq (${SPD},none) 357ifeq (${ARCH},aarch32) 358 $(error "Error: SPD is incompatible with AArch32.") 359endif 360ifdef EL3_PAYLOAD_BASE 361 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 362 $(warning "The SPD and its BL32 companion will be present but ignored.") 363endif 364 # We expect to locate an spd.mk under the specified SPD directory 365 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 366 367 ifeq (${SPD_MAKE},) 368 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 369 endif 370 $(info Including ${SPD_MAKE}) 371 include ${SPD_MAKE} 372 373 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 374 # Makefile would set NEED_BL32 to "yes". In this case, the build system 375 # supports two mutually exclusive options: 376 # * BL32 is built from source: then BL32_SOURCES must contain the list 377 # of source files to build BL32 378 # * BL32 is a prebuilt binary: then BL32 must point to the image file 379 # that will be included in the FIP 380 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 381 # over the sources. 382endif 383 384################################################################################ 385# Include the platform specific Makefile after the SPD Makefile (the platform 386# makefile may use all previous definitions in this file) 387################################################################################ 388 389include ${PLAT_MAKEFILE_FULL} 390 391$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 392 393ifeq (${ARM_ARCH_MAJOR},7) 394include make_helpers/armv7-a-cpus.mk 395endif 396 397ifeq ($(ENABLE_PIE),1) 398 TF_CFLAGS += -fpie 399 TF_LDFLAGS += -pie --no-dynamic-linker 400else 401 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 402 ifneq ($(PIE_FOUND),) 403 TF_CFLAGS += -fno-PIE 404 endif 405endif 406 407# Include the CPU specific operations makefile, which provides default 408# values for all CPU errata workarounds and CPU specific optimisations. 409# This can be overridden by the platform. 410include lib/cpus/cpu-ops.mk 411 412ifeq (${ARCH},aarch32) 413NEED_BL32 := yes 414 415################################################################################ 416# Build `AARCH32_SP` as BL32 image for AArch32 417################################################################################ 418ifneq (${AARCH32_SP},none) 419# We expect to locate an sp.mk under the specified AARCH32_SP directory 420AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 421 422ifeq (${AARCH32_SP_MAKE},) 423 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 424endif 425 426$(info Including ${AARCH32_SP_MAKE}) 427include ${AARCH32_SP_MAKE} 428endif 429 430endif 431 432################################################################################ 433# Include libc if not overridden 434################################################################################ 435ifeq (${OVERRIDE_LIBC},0) 436include lib/libc/libc.mk 437endif 438 439################################################################################ 440# Check incompatible options 441################################################################################ 442 443ifdef EL3_PAYLOAD_BASE 444 ifdef PRELOADED_BL33_BASE 445 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 446 incompatible build options. EL3_PAYLOAD_BASE has priority.") 447 endif 448 ifneq (${GENERATE_COT},0) 449 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 450 endif 451 ifneq (${TRUSTED_BOARD_BOOT},0) 452 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 453 endif 454endif 455 456ifeq (${NEED_BL33},yes) 457 ifdef EL3_PAYLOAD_BASE 458 $(warning "BL33 image is not needed when option \ 459 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 460 endif 461 ifdef PRELOADED_BL33_BASE 462 $(warning "BL33 image is not needed when option \ 463 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 464 file.") 465 endif 466endif 467 468# When building for systems with hardware-assisted coherency, there's no need to 469# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 470ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 471$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 472endif 473 474#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 475ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 476$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 477endif 478 479# For RAS_EXTENSION, require that EAs are handled in EL3 first 480ifeq ($(RAS_EXTENSION),1) 481 ifneq ($(HANDLE_EA_EL3_FIRST),1) 482 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 483 endif 484endif 485 486# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 487ifeq ($(FAULT_INJECTION_SUPPORT),1) 488 ifneq ($(RAS_EXTENSION),1) 489 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 490 endif 491endif 492 493# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 494ifeq ($(DYN_DISABLE_AUTH), 1) 495 ifeq (${TRUSTED_BOARD_BOOT}, 0) 496 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 497 endif 498endif 499 500# If pointer authentication is used in the firmware, make sure that all the 501# registers associated to it are also saved and restored. 502# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 503ifeq ($(ENABLE_PAUTH),1) 504 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 505 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 506 endif 507endif 508 509ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 510 ifneq (${ARCH},aarch64) 511 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 512 else 513 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 514 endif 515endif 516 517ifeq ($(ENABLE_PAUTH),1) 518 $(info Pointer Authentication is an experimental feature) 519endif 520 521ifeq ($(ENABLE_BTI),1) 522 $(info Branch Protection is an experimental feature) 523endif 524 525ifeq ($(CTX_INCLUDE_MTE_REGS),1) 526 ifneq (${ARCH},aarch64) 527 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 528 else 529 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 530 endif 531endif 532 533################################################################################ 534# Process platform overrideable behaviour 535################################################################################ 536 537# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 538# Certificate generation tools. This flag can be overridden by the platform. 539ifdef BL2_SOURCES 540 ifdef EL3_PAYLOAD_BASE 541 # If booting an EL3 payload there is no need for a BL33 image 542 # in the FIP file. 543 NEED_BL33 := no 544 else 545 ifdef PRELOADED_BL33_BASE 546 # If booting a BL33 preloaded image there is no need of 547 # another one in the FIP file. 548 NEED_BL33 := no 549 else 550 NEED_BL33 ?= yes 551 endif 552 endif 553endif 554 555# If SCP_BL2 is given, we always want FIP to include it. 556ifdef SCP_BL2 557 NEED_SCP_BL2 := yes 558endif 559 560# For AArch32, BL31 is not currently supported. 561ifneq (${ARCH},aarch32) 562 ifdef BL31_SOURCES 563 # When booting an EL3 payload, there is no need to compile the BL31 image nor 564 # put it in the FIP. 565 ifndef EL3_PAYLOAD_BASE 566 NEED_BL31 := yes 567 endif 568 endif 569endif 570 571# Process TBB related flags 572ifneq (${GENERATE_COT},0) 573 # Common cert_create options 574 ifneq (${CREATE_KEYS},0) 575 $(eval CRT_ARGS += -n) 576 $(eval FWU_CRT_ARGS += -n) 577 ifneq (${SAVE_KEYS},0) 578 $(eval CRT_ARGS += -k) 579 $(eval FWU_CRT_ARGS += -k) 580 endif 581 endif 582 # Include TBBR makefile (unless the platform indicates otherwise) 583 ifeq (${INCLUDE_TBBR_MK},1) 584 include make_helpers/tbbr/tbbr_tools.mk 585 endif 586endif 587 588ifneq (${FIP_ALIGN},0) 589FIP_ARGS += --align ${FIP_ALIGN} 590endif 591 592################################################################################ 593# Include libraries' Makefile that are used in all BL 594################################################################################ 595 596include lib/stack_protector/stack_protector.mk 597 598################################################################################ 599# Auxiliary tools (fiptool, cert_create, etc) 600################################################################################ 601 602# Variables for use with Certificate Generation Tool 603CRTTOOLPATH ?= tools/cert_create 604CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 605 606# Variables for use with Firmware Image Package 607FIPTOOLPATH ?= tools/fiptool 608FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 609 610# Variables for use with sptool 611SPTOOLPATH ?= tools/sptool 612SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 613 614# Variables for use with ROMLIB 615ROMLIBPATH ?= lib/romlib 616 617################################################################################ 618# Include BL specific makefiles 619################################################################################ 620ifdef BL1_SOURCES 621NEED_BL1 := yes 622include bl1/bl1.mk 623endif 624 625ifdef BL2_SOURCES 626NEED_BL2 := yes 627include bl2/bl2.mk 628endif 629 630ifdef BL2U_SOURCES 631NEED_BL2U := yes 632include bl2u/bl2u.mk 633endif 634 635ifeq (${NEED_BL31},yes) 636ifdef BL31_SOURCES 637include bl31/bl31.mk 638endif 639endif 640 641ifdef FDT_SOURCES 642NEED_FDT := yes 643endif 644 645################################################################################ 646# Build options checks 647################################################################################ 648 649$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 650$(eval $(call assert_boolean,CREATE_KEYS)) 651$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 652$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 653$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 654$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 655$(eval $(call assert_boolean,DEBUG)) 656$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 657$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 658$(eval $(call assert_boolean,ENABLE_AMU)) 659$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 660$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 661$(eval $(call assert_boolean,ENABLE_PIE)) 662$(eval $(call assert_boolean,ENABLE_PMF)) 663$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 664$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 665$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 666$(eval $(call assert_boolean,ENABLE_SPM)) 667$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 668$(eval $(call assert_boolean,ERROR_DEPRECATED)) 669$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 670$(eval $(call assert_boolean,GENERATE_COT)) 671$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 672$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 673$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 674$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 675$(eval $(call assert_boolean,OVERRIDE_LIBC)) 676$(eval $(call assert_boolean,PL011_GENERIC_UART)) 677$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 678$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 679$(eval $(call assert_boolean,RAS_EXTENSION)) 680$(eval $(call assert_boolean,RESET_TO_BL31)) 681$(eval $(call assert_boolean,SAVE_KEYS)) 682$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 683$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 684$(eval $(call assert_boolean,SPM_MM)) 685$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 686$(eval $(call assert_boolean,USE_COHERENT_MEM)) 687$(eval $(call assert_boolean,USE_ROMLIB)) 688$(eval $(call assert_boolean,USE_TBBR_DEFS)) 689$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 690$(eval $(call assert_boolean,BL2_AT_EL3)) 691$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 692 693$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 694$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 695$(eval $(call assert_numeric,BRANCH_PROTECTION)) 696 697ifdef KEY_SIZE 698 $(eval $(call assert_numeric,KEY_SIZE)) 699endif 700 701ifeq ($(filter $(SANITIZE_UB), on off trap),) 702 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 703endif 704 705################################################################################ 706# Add definitions to the cpp preprocessor based on the current build options. 707# This is done after including the platform specific makefile to allow the 708# platform to overwrite the default options 709################################################################################ 710 711$(eval $(call add_define,ARM_ARCH_MAJOR)) 712$(eval $(call add_define,ARM_ARCH_MINOR)) 713$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 714$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 715$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 716$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 717$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 718$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 719$(eval $(call add_define,ENABLE_AMU)) 720$(eval $(call add_define,ENABLE_ASSERTIONS)) 721$(eval $(call add_define,ENABLE_BTI)) 722$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 723$(eval $(call add_define,ENABLE_PAUTH)) 724$(eval $(call add_define,ENABLE_PIE)) 725$(eval $(call add_define,ENABLE_PMF)) 726$(eval $(call add_define,ENABLE_PSCI_STAT)) 727$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 728$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 729$(eval $(call add_define,ENABLE_SPM)) 730$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 731$(eval $(call add_define,ERROR_DEPRECATED)) 732$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 733$(eval $(call add_define,GICV2_G0_FOR_EL3)) 734$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 735$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 736$(eval $(call add_define,LOG_LEVEL)) 737$(eval $(call add_define,NS_TIMER_SWITCH)) 738$(eval $(call add_define,PL011_GENERIC_UART)) 739$(eval $(call add_define,PLAT_${PLAT})) 740$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 741$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 742$(eval $(call add_define,RAS_EXTENSION)) 743$(eval $(call add_define,RESET_TO_BL31)) 744$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 745$(eval $(call add_define,RECLAIM_INIT_CODE)) 746$(eval $(call add_define,SPD_${SPD})) 747$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 748$(eval $(call add_define,SPM_MM)) 749$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 750$(eval $(call add_define,USE_COHERENT_MEM)) 751$(eval $(call add_define,USE_ROMLIB)) 752$(eval $(call add_define,USE_TBBR_DEFS)) 753$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 754$(eval $(call add_define,BL2_AT_EL3)) 755$(eval $(call add_define,BL2_IN_XIP_MEM)) 756 757ifeq (${SANITIZE_UB},trap) 758 $(eval $(call add_define,MONITOR_TRAPS)) 759endif 760 761# Define the EL3_PAYLOAD_BASE flag only if it is provided. 762ifdef EL3_PAYLOAD_BASE 763 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 764else 765 # Define the PRELOADED_BL33_BASE flag only if it is provided and 766 # EL3_PAYLOAD_BASE is not defined, as it has priority. 767 ifdef PRELOADED_BL33_BASE 768 $(eval $(call add_define,PRELOADED_BL33_BASE)) 769 endif 770endif 771 772# Define the DYN_DISABLE_AUTH flag only if set. 773ifeq (${DYN_DISABLE_AUTH},1) 774$(eval $(call add_define,DYN_DISABLE_AUTH)) 775endif 776 777ifneq ($(findstring armlink,$(notdir $(LD))),) 778$(eval $(call add_define,USE_ARM_LINK)) 779endif 780 781################################################################################ 782# Build targets 783################################################################################ 784 785.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs 786.SUFFIXES: 787 788all: msg_start 789 790msg_start: 791 @echo "Building ${PLAT}" 792 793ifeq (${ERROR_DEPRECATED},0) 794# Check if deprecated declarations and cpp warnings should be treated as error or not. 795ifneq ($(findstring clang,$(notdir $(CC))),) 796 CPPFLAGS += -Wno-error=deprecated-declarations 797else 798 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 799endif 800# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 801ASFLAGS += -D__ASSEMBLY__ 802# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 803ifeq (${ARCH},aarch32) 804 $(eval $(call add_define,AARCH32)) 805else 806 $(eval $(call add_define,AARCH64)) 807endif 808endif # !ERROR_DEPRECATED 809 810$(eval $(call MAKE_LIB_DIRS)) 811$(eval $(call MAKE_LIB,c)) 812 813# Expand build macros for the different images 814ifeq (${NEED_BL1},yes) 815$(eval $(call MAKE_BL,1)) 816endif 817 818ifeq (${NEED_BL2},yes) 819ifeq (${BL2_AT_EL3}, 0) 820FIP_BL2_ARGS := tb-fw 821endif 822 823$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 824 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 825endif 826 827ifeq (${NEED_SCP_BL2},yes) 828$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 829endif 830 831ifeq (${NEED_BL31},yes) 832BL31_SOURCES += ${SPD_SOURCES} 833$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 834 $(eval $(call MAKE_BL,31,soc-fw))) 835endif 836 837# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 838# build system will call TOOL_ADD_IMG to print a warning message and abort the 839# process. Note that the dependency on BL32 applies to the FIP only. 840ifeq (${NEED_BL32},yes) 841 842BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 843 844$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 845 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 846endif 847 848# Add the BL33 image if required by the platform 849ifeq (${NEED_BL33},yes) 850$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 851endif 852 853ifeq (${NEED_BL2U},yes) 854$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 855 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 856endif 857 858# Expand build macros for the different images 859ifeq (${NEED_FDT},yes) 860 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 861endif 862 863locate-checkpatch: 864ifndef CHECKPATCH 865 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 866else 867ifeq (,$(wildcard ${CHECKPATCH})) 868 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 869endif 870endif 871 872clean: 873 @echo " CLEAN" 874 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 875 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 876 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 877 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 878 879realclean distclean: 880 @echo " REALCLEAN" 881 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 882 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 883 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 884 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 885 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 886 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 887 888checkcodebase: locate-checkpatch 889 @echo " CHECKING STYLE" 890 @if test -d .git ; then \ 891 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 892 while read GIT_FILE ; \ 893 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 894 done ; \ 895 else \ 896 find . -type f -not -iwholename "*.git*" \ 897 -not -iwholename "*build*" \ 898 -not -iwholename "*libfdt*" \ 899 -not -iwholename "*libc*" \ 900 -not -iwholename "*docs*" \ 901 -not -iwholename "*.rst" \ 902 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 903 fi 904 905checkpatch: locate-checkpatch 906 @echo " CHECKING STYLE" 907 @if test -n "${CHECKPATCH_OPTS}"; then \ 908 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 909 fi 910 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 911 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 912 printf "\n[*] Checking style of '$$commit'\n\n"; \ 913 git log --format=email "$$commit~..$$commit" \ 914 -- ${CHECK_PATHS} | \ 915 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 916 git diff --format=email "$$commit~..$$commit" \ 917 -- ${CHECK_PATHS} | \ 918 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 919 done 920 921certtool: ${CRTTOOL} 922 923.PHONY: ${CRTTOOL} 924${CRTTOOL}: 925 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 926 @${ECHO_BLANK_LINE} 927 @echo "Built $@ successfully" 928 @${ECHO_BLANK_LINE} 929 930ifneq (${GENERATE_COT},0) 931certificates: ${CRT_DEPS} ${CRTTOOL} 932 ${Q}${CRTTOOL} ${CRT_ARGS} 933 @${ECHO_BLANK_LINE} 934 @echo "Built $@ successfully" 935 @echo "Certificates can be found in ${BUILD_PLAT}" 936 @${ECHO_BLANK_LINE} 937endif 938 939${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 940 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 941 ${Q}${FIPTOOL} info $@ 942 @${ECHO_BLANK_LINE} 943 @echo "Built $@ successfully" 944 @${ECHO_BLANK_LINE} 945 946ifneq (${GENERATE_COT},0) 947fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 948 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 949 @${ECHO_BLANK_LINE} 950 @echo "Built $@ successfully" 951 @echo "FWU certificates can be found in ${BUILD_PLAT}" 952 @${ECHO_BLANK_LINE} 953endif 954 955${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 956 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 957 ${Q}${FIPTOOL} info $@ 958 @${ECHO_BLANK_LINE} 959 @echo "Built $@ successfully" 960 @${ECHO_BLANK_LINE} 961 962fiptool: ${FIPTOOL} 963fip: ${BUILD_PLAT}/${FIP_NAME} 964fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 965 966.PHONY: ${FIPTOOL} 967${FIPTOOL}: 968 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 969 970sptool: ${SPTOOL} 971.PHONY: ${SPTOOL} 972${SPTOOL}: 973 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 974 975.PHONY: libraries 976romlib.bin: libraries 977 ${Q}${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 978 979cscope: 980 @echo " CSCOPE" 981 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 982 ${Q}cscope -b -q -k 983 984help: 985 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 986 @echo "" 987 @echo "PLAT is used to specify which platform you wish to build." 988 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 989 @echo "" 990 @echo "platform = ${PLATFORM_LIST}" 991 @echo "" 992 @echo "Please refer to the User Guide for a list of all supported options." 993 @echo "Note that the build system doesn't track dependencies for build " 994 @echo "options. Therefore, if any of the build options are changed " 995 @echo "from a previous build, a clean build must be performed." 996 @echo "" 997 @echo "Supported Targets:" 998 @echo " all Build all individual bootloader binaries" 999 @echo " bl1 Build the BL1 binary" 1000 @echo " bl2 Build the BL2 binary" 1001 @echo " bl2u Build the BL2U binary" 1002 @echo " bl31 Build the BL31 binary" 1003 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1004 @echo " this builds secure payload specified by AARCH32_SP" 1005 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1006 @echo " fip Build the Firmware Image Package (FIP)" 1007 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1008 @echo " checkcodebase Check the coding style of the entire source tree" 1009 @echo " checkpatch Check the coding style on changes in the current" 1010 @echo " branch against BASE_COMMIT (default origin/master)" 1011 @echo " clean Clean the build for the selected platform" 1012 @echo " cscope Generate cscope index" 1013 @echo " distclean Remove all build artifacts for all platforms" 1014 @echo " certtool Build the Certificate generation tool" 1015 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1016 @echo " sptool Build the Secure Partition Package creation tool" 1017 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1018 @echo "" 1019 @echo "Note: most build targets require PLAT to be set to a specific platform." 1020 @echo "" 1021 @echo "example: build all targets for the FVP platform:" 1022 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1023