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