1# 2# Copyright (c) 2013-2021, 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 := 5 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_ARM_DIRS_TO_CHECK := $(sort $(filter-out \ 43 include/drivers/arm/cryptocell, \ 44 $(wildcard include/drivers/arm/*))) 45INC_ARM_DIRS_TO_CHECK += include/drivers/arm/cryptocell/*.h 46INC_DRV_DIRS_TO_CHECK := $(sort $(filter-out \ 47 include/drivers/arm, \ 48 $(wildcard include/drivers/*))) 49INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 50 include/lib/libfdt \ 51 include/lib/libc, \ 52 $(wildcard include/lib/*))) 53INC_DIRS_TO_CHECK := $(sort $(filter-out \ 54 include/lib \ 55 include/drivers, \ 56 $(wildcard include/*))) 57LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 58 lib/compiler-rt \ 59 lib/libfdt% \ 60 lib/libc, \ 61 $(wildcard lib/*))) 62ROOT_DIRS_TO_CHECK := $(sort $(filter-out \ 63 lib \ 64 include \ 65 docs \ 66 %.rst, \ 67 $(wildcard *))) 68CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \ 69 ${INC_DIRS_TO_CHECK} \ 70 ${INC_LIB_DIRS_TO_CHECK} \ 71 ${LIB_DIRS_TO_CHECK} \ 72 ${INC_DRV_DIRS_TO_CHECK} \ 73 ${INC_ARM_DIRS_TO_CHECK} 74 75 76################################################################################ 77# Process build options 78################################################################################ 79 80# Verbose flag 81ifeq (${V},0) 82 Q:=@ 83 ECHO:=@echo 84 CHECKCODE_ARGS += --no-summary --terse 85else 86 Q:= 87 ECHO:=$(ECHO_QUIET) 88endif 89 90ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) 91 Q:=@ 92 ECHO:=$(ECHO_QUIET) 93endif 94 95export Q ECHO 96 97# The cert_create tool cannot generate certificates individually, so we use the 98# target 'certificates' to create them all 99ifneq (${GENERATE_COT},0) 100 FIP_DEPS += certificates 101 FWU_FIP_DEPS += fwu_certificates 102endif 103 104# Process BRANCH_PROTECTION value and set 105# Pointer Authentication and Branch Target Identification flags 106ifeq (${BRANCH_PROTECTION},0) 107 # Default value turns off all types of branch protection 108 BP_OPTION := none 109else ifneq (${ARCH},aarch64) 110 $(error BRANCH_PROTECTION requires AArch64) 111else ifeq (${BRANCH_PROTECTION},1) 112 # Enables all types of branch protection features 113 BP_OPTION := standard 114 ENABLE_BTI := 1 115 ENABLE_PAUTH := 1 116else ifeq (${BRANCH_PROTECTION},2) 117 # Return address signing to its standard level 118 BP_OPTION := pac-ret 119 ENABLE_PAUTH := 1 120else ifeq (${BRANCH_PROTECTION},3) 121 # Extend the signing to include leaf functions 122 BP_OPTION := pac-ret+leaf 123 ENABLE_PAUTH := 1 124else ifeq (${BRANCH_PROTECTION},4) 125 # Turn on branch target identification mechanism 126 BP_OPTION := bti 127 ENABLE_BTI := 1 128else 129 $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION}) 130endif 131 132# USE_SPINLOCK_CAS requires AArch64 build 133ifeq (${USE_SPINLOCK_CAS},1) 134ifneq (${ARCH},aarch64) 135 $(error USE_SPINLOCK_CAS requires AArch64) 136else 137 $(info USE_SPINLOCK_CAS is an experimental feature) 138endif 139endif 140 141# USE_DEBUGFS experimental feature recommended only in debug builds 142ifeq (${USE_DEBUGFS},1) 143ifeq (${DEBUG},1) 144 $(warning DEBUGFS experimental feature is enabled.) 145else 146 $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY) 147endif 148endif 149 150ifneq (${DECRYPTION_SUPPORT},none) 151ENC_ARGS += -f ${FW_ENC_STATUS} 152ENC_ARGS += -k ${ENC_KEY} 153ENC_ARGS += -n ${ENC_NONCE} 154FIP_DEPS += enctool 155FWU_FIP_DEPS += enctool 156endif 157 158################################################################################ 159# Toolchain 160################################################################################ 161 162HOSTCC := gcc 163export HOSTCC 164 165CC := ${CROSS_COMPILE}gcc 166CPP := ${CROSS_COMPILE}cpp 167AS := ${CROSS_COMPILE}gcc 168AR := ${CROSS_COMPILE}ar 169LINKER := ${CROSS_COMPILE}ld 170OC := ${CROSS_COMPILE}objcopy 171OD := ${CROSS_COMPILE}objdump 172NM := ${CROSS_COMPILE}nm 173PP := ${CROSS_COMPILE}gcc -E 174DTC := dtc 175 176# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 177ifneq ($(strip $(wildcard ${LD}.bfd) \ 178 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 179LINKER := ${LINKER}.bfd 180endif 181 182ifeq (${ARM_ARCH_MAJOR},7) 183target32-directive = -target arm-none-eabi 184# Will set march32-directive from platform configuration 185else 186target32-directive = -target armv8a-none-eabi 187 188# Set the compiler's target architecture profile based on 189# ARM_ARCH_MAJOR ARM_ARCH_MINOR options 190ifeq (${ARM_ARCH_MINOR},0) 191march32-directive = -march=armv${ARM_ARCH_MAJOR}-a 192march64-directive = -march=armv${ARM_ARCH_MAJOR}-a 193else 194march32-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 195march64-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 196endif 197endif 198 199# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards 200ifeq ($(ARCH), aarch64) 201# Check if revision is greater than or equal to 8.5 202ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 203mem_tag_arch_support = yes 204endif 205endif 206 207# Get architecture feature modifiers 208arch-features = ${ARM_ARCH_FEATURE} 209 210# Enable required options for memory stack tagging. 211# Currently, these options are enabled only for clang and armclang compiler. 212ifeq (${SUPPORT_STACK_MEMTAG},yes) 213ifdef mem_tag_arch_support 214# Check for armclang and clang compilers 215ifneq ( ,$(filter $(notdir $(CC)),armclang clang)) 216# Add "memtag" architecture feature modifier if not specified 217ifeq ( ,$(findstring memtag,$(arch-features))) 218arch-features := $(arch-features)+memtag 219endif # memtag 220ifeq ($(notdir $(CC)),armclang) 221TF_CFLAGS += -mmemtag-stack 222else ifeq ($(notdir $(CC)),clang) 223TF_CFLAGS += -fsanitize=memtag 224endif # armclang 225endif # armclang clang 226else 227$(error "Error: stack memory tagging is not supported for architecture \ 228 ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a") 229endif # mem_tag_arch_support 230endif # SUPPORT_STACK_MEMTAG 231 232# Set the compiler's architecture feature modifiers 233ifneq ($(arch-features), none) 234# Strip "none+" from arch-features 235arch-features := $(subst none+,,$(arch-features)) 236ifeq ($(ARCH), aarch32) 237march32-directive := $(march32-directive)+$(arch-features) 238else 239march64-directive := $(march64-directive)+$(arch-features) 240endif 241# Print features 242$(info Arm Architecture Features specified: $(subst +, ,$(arch-features))) 243endif # arch-features 244 245# Determine if FEAT_RNG is supported 246ENABLE_FEAT_RNG = $(if $(findstring rng,${arch-features}),1,0) 247 248# Determine if FEAT_SB is supported 249ENABLE_FEAT_SB = $(if $(findstring sb,${arch-features}),1,0) 250 251ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 252ENABLE_FEAT_SB = 1 253endif 254 255ifneq ($(findstring armclang,$(notdir $(CC))),) 256TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 257TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 258LD = $(LINKER) 259AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 260CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 261PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 262else ifneq ($(findstring clang,$(notdir $(CC))),) 263CLANG_CCDIR = $(if $(filter-out ./,$(dir $(CC))),$(dir $(CC)),) 264TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 265TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 266LD = $(CLANG_CCDIR)ld.lld 267ifeq (, $(shell which $(LD))) 268$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker") 269endif 270AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 271CPP = $(CC) -E 272PP = $(CC) -E 273else ifneq ($(findstring gcc,$(notdir $(CC))),) 274TF_CFLAGS_aarch32 = $(march32-directive) 275TF_CFLAGS_aarch64 = $(march64-directive) 276ifeq ($(ENABLE_LTO),1) 277 # Enable LTO only for aarch64 278 ifeq (${ARCH},aarch64) 279 LTO_CFLAGS = -flto 280 # Use gcc as a wrapper for the ld, recommended for LTO 281 LINKER := ${CROSS_COMPILE}gcc 282 endif 283endif 284LD = $(LINKER) 285else 286TF_CFLAGS_aarch32 = $(march32-directive) 287TF_CFLAGS_aarch64 = $(march64-directive) 288LD = $(LINKER) 289endif 290 291# Process Debug flag 292$(eval $(call add_define,DEBUG)) 293ifneq (${DEBUG}, 0) 294 BUILD_TYPE := debug 295 TF_CFLAGS += -g 296 297 ifneq ($(findstring clang,$(notdir $(CC))),) 298 ASFLAGS += -g 299 else 300 ASFLAGS += -g -Wa,--gdwarf-2 301 endif 302 303 # Use LOG_LEVEL_INFO by default for debug builds 304 LOG_LEVEL := 40 305else 306 BUILD_TYPE := release 307 # Use LOG_LEVEL_NOTICE by default for release builds 308 LOG_LEVEL := 20 309endif 310 311# Default build string (git branch and commit) 312ifeq (${BUILD_STRING},) 313 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 314endif 315VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 316 317ifeq (${AARCH32_INSTRUCTION_SET},A32) 318TF_CFLAGS_aarch32 += -marm 319else ifeq (${AARCH32_INSTRUCTION_SET},T32) 320TF_CFLAGS_aarch32 += -mthumb 321else 322$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 323endif 324 325TF_CFLAGS_aarch32 += -mno-unaligned-access 326TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 327 328ifneq (${BP_OPTION},none) 329TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 330endif 331 332ASFLAGS_aarch32 = $(march32-directive) 333ASFLAGS_aarch64 = $(march64-directive) 334 335# General warnings 336WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 337 -Wdisabled-optimization -Wvla -Wshadow \ 338 -Wno-unused-parameter -Wredundant-decls 339 340# Additional warnings 341# Level 1 342WARNING1 := -Wextra 343WARNING1 += -Wmissing-format-attribute 344WARNING1 += -Wmissing-prototypes 345WARNING1 += -Wold-style-definition 346 347# Level 2 348WARNING2 := -Waggregate-return 349WARNING2 += -Wcast-align 350WARNING2 += -Wnested-externs 351 352WARNING3 := -Wbad-function-cast 353WARNING3 += -Wcast-qual 354WARNING3 += -Wconversion 355WARNING3 += -Wpacked 356WARNING3 += -Wpointer-arith 357WARNING3 += -Wswitch-default 358 359ifeq (${W},1) 360WARNINGS += $(WARNING1) 361else ifeq (${W},2) 362WARNINGS += $(WARNING1) $(WARNING2) 363else ifeq (${W},3) 364WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 365endif 366 367# Compiler specific warnings 368ifeq ($(findstring clang,$(notdir $(CC))),) 369# not using clang 370WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 371 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 372 -Wlogical-op 373else 374# using clang 375WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 376 -Wlogical-op-parentheses 377endif 378 379ifneq (${E},0) 380ERRORS := -Werror 381endif 382 383CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 384 $(ERRORS) $(WARNINGS) 385ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 386 -ffreestanding -Wa,--fatal-warnings 387TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 388 -ffunction-sections -fdata-sections \ 389 -ffreestanding -fno-builtin -fno-common \ 390 -Os -std=gnu99 391 392ifeq (${SANITIZE_UB},on) 393TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 394endif 395ifeq (${SANITIZE_UB},trap) 396TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 397 -fsanitize-undefined-trap-on-error 398endif 399 400GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 401 402# LD = armlink 403ifneq ($(findstring armlink,$(notdir $(LD))),) 404TF_LDFLAGS += --diag_error=warning --lto_level=O1 405TF_LDFLAGS += --remove --info=unused,unusedsymbols 406TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 407 408# LD = gcc (used when GCC LTO is enabled) 409else ifneq ($(findstring gcc,$(notdir $(LD))),) 410# Pass ld options with Wl or Xlinker switches 411TF_LDFLAGS += -Wl,--fatal-warnings -O1 412TF_LDFLAGS += -Wl,--gc-sections 413ifeq ($(ENABLE_LTO),1) 414 ifeq (${ARCH},aarch64) 415 TF_LDFLAGS += -flto -fuse-linker-plugin 416 endif 417endif 418# GCC automatically adds fix-cortex-a53-843419 flag when used to link 419# which breaks some builds, so disable if errata fix is not explicitly enabled 420ifneq (${ERRATA_A53_843419},1) 421 TF_LDFLAGS += -mno-fix-cortex-a53-843419 422endif 423TF_LDFLAGS += -nostdlib 424TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 425 426# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 427else 428TF_LDFLAGS += --fatal-warnings -O1 429TF_LDFLAGS += --gc-sections 430# ld.lld doesn't recognize the errata flags, 431# therefore don't add those in that case 432ifeq ($(findstring ld.lld,$(notdir $(LD))),) 433TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 434endif 435endif 436 437DTC_FLAGS += -I dts -O dtb 438DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \ 439 -x assembler-with-cpp $(DEFINES) 440 441ifeq ($(MEASURED_BOOT),1) 442DTC_CPPFLAGS += -DMEASURED_BOOT -DBL2_HASH_SIZE=${TCG_DIGEST_SIZE} 443endif 444 445################################################################################ 446# Common sources and include directories 447################################################################################ 448include lib/compiler-rt/compiler-rt.mk 449 450BL_COMMON_SOURCES += common/bl_common.c \ 451 common/tf_log.c \ 452 common/${ARCH}/debug.S \ 453 drivers/console/multi_console.c \ 454 lib/${ARCH}/cache_helpers.S \ 455 lib/${ARCH}/misc_helpers.S \ 456 plat/common/plat_bl_common.c \ 457 plat/common/plat_log_common.c \ 458 plat/common/${ARCH}/plat_common.c \ 459 plat/common/${ARCH}/platform_helpers.S \ 460 ${COMPILER_RT_SRCS} 461 462ifeq ($(notdir $(CC)),armclang) 463BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 464endif 465 466ifeq (${SANITIZE_UB},on) 467BL_COMMON_SOURCES += plat/common/ubsan.c 468endif 469 470INCLUDES += -Iinclude \ 471 -Iinclude/arch/${ARCH} \ 472 -Iinclude/lib/cpus/${ARCH} \ 473 -Iinclude/lib/el3_runtime/${ARCH} \ 474 ${PLAT_INCLUDES} \ 475 ${SPD_INCLUDES} 476 477include common/backtrace/backtrace.mk 478 479################################################################################ 480# Generic definitions 481################################################################################ 482 483include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 484 485ifeq (${BUILD_BASE},) 486 BUILD_BASE := ./build 487endif 488BUILD_PLAT := $(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE} 489 490SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 491 492# Platforms providing their own TBB makefile may override this value 493INCLUDE_TBBR_MK := 1 494 495 496################################################################################ 497# Include SPD Makefile if one has been specified 498################################################################################ 499 500ifneq (${SPD},none) 501 ifeq (${ARCH},aarch32) 502 $(error "Error: SPD is incompatible with AArch32.") 503 endif 504 505 ifdef EL3_PAYLOAD_BASE 506 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 507 $(warning "The SPD and its BL32 companion will be present but ignored.") 508 endif 509 510 ifeq (${SPD},spmd) 511 $(warning "SPMD is an experimental feature") 512 # SPMD is located in std_svc directory 513 SPD_DIR := std_svc 514 515 ifeq ($(SPMD_SPM_AT_SEL2),1) 516 ifeq ($(CTX_INCLUDE_EL2_REGS),0) 517 $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option) 518 endif 519 endif 520 521 ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp) 522 DTC_CPPFLAGS += -DOPTEE_SP_FW_CONFIG 523 endif 524 525 ifeq ($(TS_SP_FW_CONFIG),1) 526 DTC_CPPFLAGS += -DTS_SP_FW_CONFIG 527 endif 528 else 529 # All other SPDs in spd directory 530 SPD_DIR := spd 531 endif 532 533 # We expect to locate an spd.mk under the specified SPD directory 534 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 535 536 ifeq (${SPD_MAKE},) 537 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 538 endif 539 $(info Including ${SPD_MAKE}) 540 include ${SPD_MAKE} 541 542 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 543 # Makefile would set NEED_BL32 to "yes". In this case, the build system 544 # supports two mutually exclusive options: 545 # * BL32 is built from source: then BL32_SOURCES must contain the list 546 # of source files to build BL32 547 # * BL32 is a prebuilt binary: then BL32 must point to the image file 548 # that will be included in the FIP 549 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 550 # over the sources. 551endif 552 553################################################################################ 554# Include the platform specific Makefile after the SPD Makefile (the platform 555# makefile may use all previous definitions in this file) 556################################################################################ 557 558include ${PLAT_MAKEFILE_FULL} 559 560$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 561 562ifeq (${ARM_ARCH_MAJOR},7) 563include make_helpers/armv7-a-cpus.mk 564endif 565 566PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 567ifneq ($(PIE_FOUND),) 568 TF_CFLAGS += -fno-PIE 569endif 570 571ifneq ($(findstring gcc,$(notdir $(LD))),) 572 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 573else 574 PIE_LDFLAGS += -pie --no-dynamic-linker 575endif 576 577ifeq ($(ENABLE_PIE),1) 578ifeq ($(BL2_AT_EL3),1) 579ifneq ($(BL2_IN_XIP_MEM),1) 580 BL2_CFLAGS += -fpie 581 BL2_LDFLAGS += $(PIE_LDFLAGS) 582endif 583endif 584 BL31_CFLAGS += -fpie 585 BL31_LDFLAGS += $(PIE_LDFLAGS) 586 BL32_CFLAGS += -fpie 587 BL32_LDFLAGS += $(PIE_LDFLAGS) 588endif 589 590ifeq (${ARCH},aarch64) 591BL1_CPPFLAGS += -DIMAGE_AT_EL3 592ifeq ($(BL2_AT_EL3),1) 593BL2_CPPFLAGS += -DIMAGE_AT_EL3 594else 595BL2_CPPFLAGS += -DIMAGE_AT_EL1 596endif 597BL2U_CPPFLAGS += -DIMAGE_AT_EL1 598BL31_CPPFLAGS += -DIMAGE_AT_EL3 599BL32_CPPFLAGS += -DIMAGE_AT_EL1 600endif 601 602# Include the CPU specific operations makefile, which provides default 603# values for all CPU errata workarounds and CPU specific optimisations. 604# This can be overridden by the platform. 605include lib/cpus/cpu-ops.mk 606 607ifeq (${ARCH},aarch32) 608NEED_BL32 := yes 609 610################################################################################ 611# Build `AARCH32_SP` as BL32 image for AArch32 612################################################################################ 613ifneq (${AARCH32_SP},none) 614# We expect to locate an sp.mk under the specified AARCH32_SP directory 615AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 616 617ifeq (${AARCH32_SP_MAKE},) 618 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 619endif 620 621$(info Including ${AARCH32_SP_MAKE}) 622include ${AARCH32_SP_MAKE} 623endif 624 625endif 626 627################################################################################ 628# Include libc if not overridden 629################################################################################ 630ifeq (${OVERRIDE_LIBC},0) 631include lib/libc/libc.mk 632endif 633 634################################################################################ 635# Check incompatible options 636################################################################################ 637 638ifdef EL3_PAYLOAD_BASE 639 ifdef PRELOADED_BL33_BASE 640 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 641 incompatible build options. EL3_PAYLOAD_BASE has priority.") 642 endif 643 ifneq (${GENERATE_COT},0) 644 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 645 endif 646 ifneq (${TRUSTED_BOARD_BOOT},0) 647 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 648 endif 649endif 650 651ifeq (${NEED_BL33},yes) 652 ifdef EL3_PAYLOAD_BASE 653 $(warning "BL33 image is not needed when option \ 654 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 655 endif 656 ifdef PRELOADED_BL33_BASE 657 $(warning "BL33 image is not needed when option \ 658 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 659 file.") 660 endif 661endif 662 663# When building for systems with hardware-assisted coherency, there's no need to 664# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 665ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 666$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 667endif 668 669#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 670ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 671$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 672endif 673 674# For RAS_EXTENSION, require that EAs are handled in EL3 first 675ifeq ($(RAS_EXTENSION),1) 676 ifneq ($(HANDLE_EA_EL3_FIRST),1) 677 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 678 endif 679endif 680 681# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 682ifeq ($(FAULT_INJECTION_SUPPORT),1) 683 ifneq ($(RAS_EXTENSION),1) 684 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 685 endif 686endif 687 688# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 689ifeq ($(DYN_DISABLE_AUTH), 1) 690 ifeq (${TRUSTED_BOARD_BOOT}, 0) 691 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 692 endif 693endif 694 695# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 696ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 697$(error "SDEI_IN_FCONF is an experimental feature and is only supported when \ 698 SDEI_SUPPORT is enabled") 699endif 700 701ifeq ($(COT_DESC_IN_DTB),1) 702 $(info CoT in device tree is an experimental feature) 703endif 704 705# If pointer authentication is used in the firmware, make sure that all the 706# registers associated to it are also saved and restored. 707# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 708ifeq ($(ENABLE_PAUTH),1) 709 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 710 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 711 endif 712endif 713 714ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 715 ifneq (${ARCH},aarch64) 716 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 717 else 718 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 719 endif 720endif 721 722ifeq ($(ENABLE_PAUTH),1) 723 $(info Pointer Authentication is an experimental feature) 724endif 725 726ifeq ($(ENABLE_BTI),1) 727 $(info Branch Protection is an experimental feature) 728endif 729 730ifeq ($(CTX_INCLUDE_MTE_REGS),1) 731 ifneq (${ARCH},aarch64) 732 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 733 else 734 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 735 endif 736endif 737 738# Trusted Boot is a prerequisite for Measured Boot. It provides trust that the 739# code taking the measurements and recording them has not been tampered 740# with. This is referred to as the Root of Trust for Measurement. 741ifeq ($(MEASURED_BOOT),1) 742 ifneq (${TRUSTED_BOARD_BOOT},1) 743 $(error MEASURED_BOOT requires TRUSTED_BOARD_BOOT=1) 744 else 745 $(info MEASURED_BOOT is an experimental feature) 746 endif 747endif 748 749ifeq ($(PSA_FWU_SUPPORT),1) 750 $(info PSA_FWU_SUPPORT is an experimental feature) 751endif 752 753ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 754 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 755 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 756 endif 757endif 758 759ifneq (${DECRYPTION_SUPPORT},none) 760 ifeq (${TRUSTED_BOARD_BOOT}, 0) 761 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 762 else 763 $(info DECRYPTION_SUPPORT is an experimental feature) 764 endif 765endif 766 767################################################################################ 768# Process platform overrideable behaviour 769################################################################################ 770 771# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 772# Certificate generation tools. This flag can be overridden by the platform. 773ifdef BL2_SOURCES 774 ifdef EL3_PAYLOAD_BASE 775 # If booting an EL3 payload there is no need for a BL33 image 776 # in the FIP file. 777 NEED_BL33 := no 778 else 779 ifdef PRELOADED_BL33_BASE 780 # If booting a BL33 preloaded image there is no need of 781 # another one in the FIP file. 782 NEED_BL33 := no 783 else 784 NEED_BL33 ?= yes 785 endif 786 endif 787endif 788 789# If SCP_BL2 is given, we always want FIP to include it. 790ifdef SCP_BL2 791 NEED_SCP_BL2 := yes 792endif 793 794# For AArch32, BL31 is not currently supported. 795ifneq (${ARCH},aarch32) 796 ifdef BL31_SOURCES 797 # When booting an EL3 payload, there is no need to compile the BL31 image nor 798 # put it in the FIP. 799 ifndef EL3_PAYLOAD_BASE 800 NEED_BL31 := yes 801 endif 802 endif 803endif 804 805# Process TBB related flags 806ifneq (${GENERATE_COT},0) 807 # Common cert_create options 808 ifneq (${CREATE_KEYS},0) 809 $(eval CRT_ARGS += -n) 810 $(eval FWU_CRT_ARGS += -n) 811 ifneq (${SAVE_KEYS},0) 812 $(eval CRT_ARGS += -k) 813 $(eval FWU_CRT_ARGS += -k) 814 endif 815 endif 816 # Include TBBR makefile (unless the platform indicates otherwise) 817 ifeq (${INCLUDE_TBBR_MK},1) 818 include make_helpers/tbbr/tbbr_tools.mk 819 endif 820endif 821 822ifneq (${FIP_ALIGN},0) 823FIP_ARGS += --align ${FIP_ALIGN} 824endif 825 826################################################################################ 827# Include libraries' Makefile that are used in all BL 828################################################################################ 829 830include lib/stack_protector/stack_protector.mk 831 832################################################################################ 833# Auxiliary tools (fiptool, cert_create, etc) 834################################################################################ 835 836# Variables for use with Certificate Generation Tool 837CRTTOOLPATH ?= tools/cert_create 838CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 839 840# Variables for use with Firmware Encryption Tool 841ENCTOOLPATH ?= tools/encrypt_fw 842ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 843 844# Variables for use with Firmware Image Package 845FIPTOOLPATH ?= tools/fiptool 846FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 847 848# Variables for use with sptool 849SPTOOLPATH ?= tools/sptool 850SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 851SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 852 853# Variables for use with ROMLIB 854ROMLIBPATH ?= lib/romlib 855 856# Variable for use with Python 857PYTHON ?= python3 858 859# Variables for use with PRINT_MEMORY_MAP 860PRINT_MEMORY_MAP_PATH ?= tools/memory 861PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 862 863# Variables for use with documentation build using Sphinx tool 864DOCS_PATH ?= docs 865 866################################################################################ 867# Include BL specific makefiles 868################################################################################ 869ifdef BL1_SOURCES 870NEED_BL1 := yes 871include bl1/bl1.mk 872endif 873 874ifdef BL2_SOURCES 875NEED_BL2 := yes 876include bl2/bl2.mk 877endif 878 879ifdef BL2U_SOURCES 880NEED_BL2U := yes 881include bl2u/bl2u.mk 882endif 883 884ifeq (${NEED_BL31},yes) 885ifdef BL31_SOURCES 886include bl31/bl31.mk 887endif 888endif 889 890ifdef FDT_SOURCES 891NEED_FDT := yes 892endif 893 894################################################################################ 895# Build options checks 896################################################################################ 897 898$(eval $(call assert_booleans,\ 899 $(sort \ 900 ALLOW_RO_XLAT_TABLES \ 901 COLD_BOOT_SINGLE_CPU \ 902 CREATE_KEYS \ 903 CTX_INCLUDE_AARCH32_REGS \ 904 CTX_INCLUDE_FPREGS \ 905 CTX_INCLUDE_PAUTH_REGS \ 906 CTX_INCLUDE_MTE_REGS \ 907 CTX_INCLUDE_EL2_REGS \ 908 CTX_INCLUDE_NEVE_REGS \ 909 DEBUG \ 910 DISABLE_MTPMU \ 911 DYN_DISABLE_AUTH \ 912 EL3_EXCEPTION_HANDLING \ 913 ENABLE_AMU \ 914 AMU_RESTRICT_COUNTERS \ 915 ENABLE_ASSERTIONS \ 916 ENABLE_MPAM_FOR_LOWER_ELS \ 917 ENABLE_PIE \ 918 ENABLE_PMF \ 919 ENABLE_PSCI_STAT \ 920 ENABLE_RUNTIME_INSTRUMENTATION \ 921 ENABLE_SPE_FOR_LOWER_ELS \ 922 ENABLE_SVE_FOR_NS \ 923 ENABLE_SVE_FOR_SWD \ 924 ERROR_DEPRECATED \ 925 FAULT_INJECTION_SUPPORT \ 926 GENERATE_COT \ 927 GICV2_G0_FOR_EL3 \ 928 HANDLE_EA_EL3_FIRST \ 929 HW_ASSISTED_COHERENCY \ 930 INVERTED_MEMMAP \ 931 MEASURED_BOOT \ 932 NS_TIMER_SWITCH \ 933 OVERRIDE_LIBC \ 934 PL011_GENERIC_UART \ 935 PROGRAMMABLE_RESET_ADDRESS \ 936 PSCI_EXTENDED_STATE_ID \ 937 RAS_EXTENSION \ 938 RESET_TO_BL31 \ 939 SAVE_KEYS \ 940 SEPARATE_CODE_AND_RODATA \ 941 SEPARATE_NOBITS_REGION \ 942 SPIN_ON_BL1_EXIT \ 943 SPM_MM \ 944 SPMD_SPM_AT_SEL2 \ 945 TRUSTED_BOARD_BOOT \ 946 USE_COHERENT_MEM \ 947 USE_DEBUGFS \ 948 ARM_IO_IN_DTB \ 949 SDEI_IN_FCONF \ 950 SEC_INT_DESC_IN_FCONF \ 951 USE_ROMLIB \ 952 USE_TBBR_DEFS \ 953 WARMBOOT_ENABLE_DCACHE_EARLY \ 954 BL2_AT_EL3 \ 955 BL2_IN_XIP_MEM \ 956 BL2_INV_DCACHE \ 957 USE_SPINLOCK_CAS \ 958 ENCRYPT_BL31 \ 959 ENCRYPT_BL32 \ 960 ERRATA_SPECULATIVE_AT \ 961 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 962 COT_DESC_IN_DTB \ 963 USE_SP804_TIMER \ 964 ENABLE_FEAT_RNG \ 965 ENABLE_FEAT_SB \ 966 PSA_FWU_SUPPORT \ 967 ENABLE_TRBE_FOR_NS \ 968 ENABLE_SYS_REG_TRACE_FOR_NS \ 969 ENABLE_TRF_FOR_NS \ 970))) 971 972$(eval $(call assert_numerics,\ 973 $(sort \ 974 ARM_ARCH_MAJOR \ 975 ARM_ARCH_MINOR \ 976 BRANCH_PROTECTION \ 977 FW_ENC_STATUS \ 978 NR_OF_FW_BANKS \ 979 NR_OF_IMAGES_IN_FW_BANK \ 980))) 981 982ifdef KEY_SIZE 983 $(eval $(call assert_numeric,KEY_SIZE)) 984endif 985 986ifeq ($(filter $(SANITIZE_UB), on off trap),) 987 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 988endif 989 990################################################################################ 991# Add definitions to the cpp preprocessor based on the current build options. 992# This is done after including the platform specific makefile to allow the 993# platform to overwrite the default options 994################################################################################ 995 996$(eval $(call add_defines,\ 997 $(sort \ 998 ALLOW_RO_XLAT_TABLES \ 999 ARM_ARCH_MAJOR \ 1000 ARM_ARCH_MINOR \ 1001 COLD_BOOT_SINGLE_CPU \ 1002 CTX_INCLUDE_AARCH32_REGS \ 1003 CTX_INCLUDE_FPREGS \ 1004 CTX_INCLUDE_PAUTH_REGS \ 1005 EL3_EXCEPTION_HANDLING \ 1006 CTX_INCLUDE_MTE_REGS \ 1007 CTX_INCLUDE_EL2_REGS \ 1008 CTX_INCLUDE_NEVE_REGS \ 1009 DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \ 1010 DISABLE_MTPMU \ 1011 ENABLE_AMU \ 1012 AMU_RESTRICT_COUNTERS \ 1013 ENABLE_ASSERTIONS \ 1014 ENABLE_BTI \ 1015 ENABLE_MPAM_FOR_LOWER_ELS \ 1016 ENABLE_PAUTH \ 1017 ENABLE_PIE \ 1018 ENABLE_PMF \ 1019 ENABLE_PSCI_STAT \ 1020 ENABLE_RUNTIME_INSTRUMENTATION \ 1021 ENABLE_SPE_FOR_LOWER_ELS \ 1022 ENABLE_SVE_FOR_NS \ 1023 ENABLE_SVE_FOR_SWD \ 1024 ENCRYPT_BL31 \ 1025 ENCRYPT_BL32 \ 1026 ERROR_DEPRECATED \ 1027 FAULT_INJECTION_SUPPORT \ 1028 GICV2_G0_FOR_EL3 \ 1029 HANDLE_EA_EL3_FIRST \ 1030 HW_ASSISTED_COHERENCY \ 1031 LOG_LEVEL \ 1032 MEASURED_BOOT \ 1033 NS_TIMER_SWITCH \ 1034 PL011_GENERIC_UART \ 1035 PLAT_${PLAT} \ 1036 PROGRAMMABLE_RESET_ADDRESS \ 1037 PSCI_EXTENDED_STATE_ID \ 1038 RAS_EXTENSION \ 1039 RESET_TO_BL31 \ 1040 SEPARATE_CODE_AND_RODATA \ 1041 SEPARATE_NOBITS_REGION \ 1042 RECLAIM_INIT_CODE \ 1043 SPD_${SPD} \ 1044 SPIN_ON_BL1_EXIT \ 1045 SPM_MM \ 1046 SPMD_SPM_AT_SEL2 \ 1047 TRUSTED_BOARD_BOOT \ 1048 TRNG_SUPPORT \ 1049 USE_COHERENT_MEM \ 1050 USE_DEBUGFS \ 1051 ARM_IO_IN_DTB \ 1052 SDEI_IN_FCONF \ 1053 SEC_INT_DESC_IN_FCONF \ 1054 USE_ROMLIB \ 1055 USE_TBBR_DEFS \ 1056 WARMBOOT_ENABLE_DCACHE_EARLY \ 1057 BL2_AT_EL3 \ 1058 BL2_IN_XIP_MEM \ 1059 BL2_INV_DCACHE \ 1060 USE_SPINLOCK_CAS \ 1061 ERRATA_SPECULATIVE_AT \ 1062 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 1063 COT_DESC_IN_DTB \ 1064 USE_SP804_TIMER \ 1065 ENABLE_FEAT_RNG \ 1066 ENABLE_FEAT_SB \ 1067 NR_OF_FW_BANKS \ 1068 NR_OF_IMAGES_IN_FW_BANK \ 1069 PSA_FWU_SUPPORT \ 1070 ENABLE_TRBE_FOR_NS \ 1071 ENABLE_SYS_REG_TRACE_FOR_NS \ 1072 ENABLE_TRF_FOR_NS \ 1073))) 1074 1075ifeq (${SANITIZE_UB},trap) 1076 $(eval $(call add_define,MONITOR_TRAPS)) 1077endif 1078 1079# Define the EL3_PAYLOAD_BASE flag only if it is provided. 1080ifdef EL3_PAYLOAD_BASE 1081 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 1082else 1083 # Define the PRELOADED_BL33_BASE flag only if it is provided and 1084 # EL3_PAYLOAD_BASE is not defined, as it has priority. 1085 ifdef PRELOADED_BL33_BASE 1086 $(eval $(call add_define,PRELOADED_BL33_BASE)) 1087 endif 1088endif 1089 1090# Define the DYN_DISABLE_AUTH flag only if set. 1091ifeq (${DYN_DISABLE_AUTH},1) 1092$(eval $(call add_define,DYN_DISABLE_AUTH)) 1093endif 1094 1095ifneq ($(findstring armlink,$(notdir $(LD))),) 1096$(eval $(call add_define,USE_ARM_LINK)) 1097endif 1098 1099# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1100ifeq (${SPD},spmd) 1101ifdef SP_LAYOUT_FILE 1102 ifeq (${SPMD_SPM_AT_SEL2},0) 1103 $(error "SPMD with SPM at S-EL1 does not require SP_LAYOUT_FILE") 1104 endif 1105 -include $(BUILD_PLAT)/sp_gen.mk 1106 FIP_DEPS += sp 1107 CRT_DEPS += sp 1108 NEED_SP_PKG := yes 1109else 1110 ifeq (${SPMD_SPM_AT_SEL2},1) 1111 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1112 endif 1113endif 1114endif 1115 1116################################################################################ 1117# Build targets 1118################################################################################ 1119 1120.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1121.SUFFIXES: 1122 1123all: msg_start 1124 1125msg_start: 1126 @echo "Building ${PLAT}" 1127 1128ifeq (${ERROR_DEPRECATED},0) 1129# Check if deprecated declarations and cpp warnings should be treated as error or not. 1130ifneq ($(findstring clang,$(notdir $(CC))),) 1131 CPPFLAGS += -Wno-error=deprecated-declarations 1132else 1133 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1134endif 1135endif # !ERROR_DEPRECATED 1136 1137$(eval $(call MAKE_LIB_DIRS)) 1138$(eval $(call MAKE_LIB,c)) 1139 1140# Expand build macros for the different images 1141ifeq (${NEED_BL1},yes) 1142$(eval $(call MAKE_BL,1)) 1143endif 1144 1145ifeq (${NEED_BL2},yes) 1146ifeq (${BL2_AT_EL3}, 0) 1147FIP_BL2_ARGS := tb-fw 1148endif 1149 1150$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1151 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 1152endif 1153 1154ifeq (${NEED_SCP_BL2},yes) 1155$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1156endif 1157 1158ifeq (${NEED_BL31},yes) 1159BL31_SOURCES += ${SPD_SOURCES} 1160# Sort BL31 source files to remove duplicates 1161BL31_SOURCES := $(sort ${BL31_SOURCES}) 1162ifneq (${DECRYPTION_SUPPORT},none) 1163$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1164 $(eval $(call MAKE_BL,31,soc-fw,,$(ENCRYPT_BL31)))) 1165else 1166$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1167 $(eval $(call MAKE_BL,31,soc-fw))) 1168endif 1169endif 1170 1171# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1172# build system will call TOOL_ADD_IMG to print a warning message and abort the 1173# process. Note that the dependency on BL32 applies to the FIP only. 1174ifeq (${NEED_BL32},yes) 1175# Sort BL32 source files to remove duplicates 1176BL32_SOURCES := $(sort ${BL32_SOURCES}) 1177BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1178 1179ifneq (${DECRYPTION_SUPPORT},none) 1180$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw,,$(ENCRYPT_BL32))),\ 1181 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1182else 1183$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 1184 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1185endif 1186endif 1187 1188# Add the BL33 image if required by the platform 1189ifeq (${NEED_BL33},yes) 1190$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1191endif 1192 1193ifeq (${NEED_BL2U},yes) 1194$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1195 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 1196endif 1197 1198# Expand build macros for the different images 1199ifeq (${NEED_FDT},yes) 1200 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1201endif 1202 1203# Add Secure Partition packages 1204ifeq (${NEED_SP_PKG},yes) 1205$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1206 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} 1207sp: $(SPTOOL) $(DTBS) $(BUILD_PLAT)/sp_gen.mk 1208 ${Q}$(SPTOOL) $(SPTOOL_ARGS) 1209 @${ECHO_BLANK_LINE} 1210 @echo "Built SP Images successfully" 1211 @${ECHO_BLANK_LINE} 1212endif 1213 1214locate-checkpatch: 1215ifndef CHECKPATCH 1216 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1217else 1218ifeq (,$(wildcard ${CHECKPATCH})) 1219 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1220endif 1221endif 1222 1223clean: 1224 @echo " CLEAN" 1225 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1226ifdef UNIX_MK 1227 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1228else 1229# Clear the MAKEFLAGS as we do not want 1230# to pass the gnumake flags to nmake. 1231 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean 1232endif 1233 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1234 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1235 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1236 1237realclean distclean: 1238 @echo " REALCLEAN" 1239 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1240 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1241ifdef UNIX_MK 1242 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1243else 1244# Clear the MAKEFLAGS as we do not want 1245# to pass the gnumake flags to nmake. 1246 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean 1247endif 1248 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 1249 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1250 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1251 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1252 1253checkcodebase: locate-checkpatch 1254 @echo " CHECKING STYLE" 1255 @if test -d .git ; then \ 1256 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1257 while read GIT_FILE ; \ 1258 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1259 done ; \ 1260 else \ 1261 find . -type f -not -iwholename "*.git*" \ 1262 -not -iwholename "*build*" \ 1263 -not -iwholename "*libfdt*" \ 1264 -not -iwholename "*libc*" \ 1265 -not -iwholename "*docs*" \ 1266 -not -iwholename "*.rst" \ 1267 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1268 fi 1269 1270checkpatch: locate-checkpatch 1271 @echo " CHECKING STYLE" 1272 @if test -n "${CHECKPATCH_OPTS}"; then \ 1273 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1274 fi 1275 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1276 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 1277 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1278 git log --format=email "$$commit~..$$commit" \ 1279 -- ${CHECK_PATHS} | \ 1280 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1281 git diff --format=email "$$commit~..$$commit" \ 1282 -- ${CHECK_PATHS} | \ 1283 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1284 done 1285 1286certtool: ${CRTTOOL} 1287 1288${CRTTOOL}: FORCE 1289 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH} 1290 @${ECHO_BLANK_LINE} 1291 @echo "Built $@ successfully" 1292 @${ECHO_BLANK_LINE} 1293 1294ifneq (${GENERATE_COT},0) 1295certificates: ${CRT_DEPS} ${CRTTOOL} 1296 ${Q}${CRTTOOL} ${CRT_ARGS} 1297 @${ECHO_BLANK_LINE} 1298 @echo "Built $@ successfully" 1299 @echo "Certificates can be found in ${BUILD_PLAT}" 1300 @${ECHO_BLANK_LINE} 1301endif 1302 1303${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1304 $(eval ${CHECK_FIP_CMD}) 1305 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1306 ${Q}${FIPTOOL} info $@ 1307 @${ECHO_BLANK_LINE} 1308 @echo "Built $@ successfully" 1309 @${ECHO_BLANK_LINE} 1310 1311ifneq (${GENERATE_COT},0) 1312fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1313 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1314 @${ECHO_BLANK_LINE} 1315 @echo "Built $@ successfully" 1316 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1317 @${ECHO_BLANK_LINE} 1318endif 1319 1320${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1321 $(eval ${CHECK_FWU_FIP_CMD}) 1322 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1323 ${Q}${FIPTOOL} info $@ 1324 @${ECHO_BLANK_LINE} 1325 @echo "Built $@ successfully" 1326 @${ECHO_BLANK_LINE} 1327 1328fiptool: ${FIPTOOL} 1329fip: ${BUILD_PLAT}/${FIP_NAME} 1330fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1331 1332${FIPTOOL}: FORCE 1333ifdef UNIX_MK 1334 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} --no-print-directory -C ${FIPTOOLPATH} 1335else 1336# Clear the MAKEFLAGS as we do not want 1337# to pass the gnumake flags to nmake. 1338 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) 1339endif 1340 1341sptool: ${SPTOOL} 1342${SPTOOL}: FORCE 1343 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" SPTOOL=${SPTOOL} --no-print-directory -C ${SPTOOLPATH} 1344 1345romlib.bin: libraries FORCE 1346 ${Q}${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 1347 1348# Call print_memory_map tool 1349memmap: all 1350 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1351 1352doc: 1353 @echo " BUILD DOCUMENTATION" 1354 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1355 1356enctool: ${ENCTOOL} 1357 1358${ENCTOOL}: FORCE 1359 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH} 1360 @${ECHO_BLANK_LINE} 1361 @echo "Built $@ successfully" 1362 @${ECHO_BLANK_LINE} 1363 1364cscope: 1365 @echo " CSCOPE" 1366 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1367 ${Q}cscope -b -q -k 1368 1369help: 1370 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1371 @echo "" 1372 @echo "PLAT is used to specify which platform you wish to build." 1373 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1374 @echo "" 1375 @echo "platform = ${PLATFORM_LIST}" 1376 @echo "" 1377 @echo "Please refer to the User Guide for a list of all supported options." 1378 @echo "Note that the build system doesn't track dependencies for build " 1379 @echo "options. Therefore, if any of the build options are changed " 1380 @echo "from a previous build, a clean build must be performed." 1381 @echo "" 1382 @echo "Supported Targets:" 1383 @echo " all Build all individual bootloader binaries" 1384 @echo " bl1 Build the BL1 binary" 1385 @echo " bl2 Build the BL2 binary" 1386 @echo " bl2u Build the BL2U binary" 1387 @echo " bl31 Build the BL31 binary" 1388 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1389 @echo " this builds secure payload specified by AARCH32_SP" 1390 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1391 @echo " fip Build the Firmware Image Package (FIP)" 1392 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1393 @echo " checkcodebase Check the coding style of the entire source tree" 1394 @echo " checkpatch Check the coding style on changes in the current" 1395 @echo " branch against BASE_COMMIT (default origin/master)" 1396 @echo " clean Clean the build for the selected platform" 1397 @echo " cscope Generate cscope index" 1398 @echo " distclean Remove all build artifacts for all platforms" 1399 @echo " certtool Build the Certificate generation tool" 1400 @echo " enctool Build the Firmware encryption tool" 1401 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1402 @echo " sp Build the Secure Partition Packages" 1403 @echo " sptool Build the Secure Partition Package creation tool" 1404 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1405 @echo " memmap Print the memory map of the built binaries" 1406 @echo " doc Build html based documentation using Sphinx tool" 1407 @echo "" 1408 @echo "Note: most build targets require PLAT to be set to a specific platform." 1409 @echo "" 1410 @echo "example: build all targets for the FVP platform:" 1411 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1412 1413.PHONY: FORCE 1414FORCE:; 1415