1# 2# Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# 8# Trusted Firmware Version 9# 10VERSION_MAJOR := 2 11VERSION_MINOR := 3 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 ARM_ARCH_MINOR option 189ifeq (${ARM_ARCH_MINOR},0) 190march32-directive = -march=armv8-a 191march64-directive = -march=armv8-a 192else 193march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a 194march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a 195endif 196endif 197 198# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards 199ifeq ($(ARCH), aarch64) 200# Check if revision is greater than or equal to 8.5 201ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 202mem_tag_arch_support = yes 203endif 204endif 205 206# Enabled required option for memory stack tagging. Currently, these options are 207# enabled only for clang and armclang compiler. 208ifeq (${SUPPORT_STACK_MEMTAG},yes) 209ifdef mem_tag_arch_support 210ifneq ( ,$(filter $(notdir $(CC)),armclang clang)) 211march64-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a+memtag 212ifeq ($(notdir $(CC)),armclang) 213TF_CFLAGS += -mmemtag-stack 214else ifeq ($(notdir $(CC)),clang) 215TF_CFLAGS += -fsanitize=memtag 216endif 217endif 218else 219$(error "Error: stack memory tagging is not supported for architecture \ 220 ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a") 221endif 222endif 223 224ifneq ($(findstring armclang,$(notdir $(CC))),) 225TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 226TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 227LD = $(LINKER) 228AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 229CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 230PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 231else ifneq ($(findstring clang,$(notdir $(CC))),) 232CLANG_CCDIR = $(if $(filter-out ./,$(dir $(CC))),$(dir $(CC)),) 233TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 234TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 235LD = $(CLANG_CCDIR)ld.lld 236ifeq (, $(shell which $(LD))) 237$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker") 238endif 239AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 240CPP = $(CC) -E 241PP = $(CC) -E 242else ifneq ($(findstring gcc,$(notdir $(CC))),) 243TF_CFLAGS_aarch32 = $(march32-directive) 244TF_CFLAGS_aarch64 = $(march64-directive) 245ifeq ($(ENABLE_LTO),1) 246 # Enable LTO only for aarch64 247 ifeq (${ARCH},aarch64) 248 LTO_CFLAGS = -flto 249 # Use gcc as a wrapper for the ld, recommended for LTO 250 LINKER := ${CROSS_COMPILE}gcc 251 endif 252endif 253LD = $(LINKER) 254else 255TF_CFLAGS_aarch32 = $(march32-directive) 256TF_CFLAGS_aarch64 = $(march64-directive) 257LD = $(LINKER) 258endif 259 260# Process Debug flag 261$(eval $(call add_define,DEBUG)) 262ifneq (${DEBUG}, 0) 263 BUILD_TYPE := debug 264 TF_CFLAGS += -g 265 266 ifneq ($(findstring clang,$(notdir $(CC))),) 267 ASFLAGS += -g 268 else 269 ASFLAGS += -g -Wa,--gdwarf-2 270 endif 271 272 # Use LOG_LEVEL_INFO by default for debug builds 273 LOG_LEVEL := 40 274else 275 BUILD_TYPE := release 276 # Use LOG_LEVEL_NOTICE by default for release builds 277 LOG_LEVEL := 20 278endif 279 280# Default build string (git branch and commit) 281ifeq (${BUILD_STRING},) 282 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 283endif 284VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 285 286ifeq (${AARCH32_INSTRUCTION_SET},A32) 287TF_CFLAGS_aarch32 += -marm 288else ifeq (${AARCH32_INSTRUCTION_SET},T32) 289TF_CFLAGS_aarch32 += -mthumb 290else 291$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 292endif 293 294TF_CFLAGS_aarch32 += -mno-unaligned-access 295TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 296 297ifneq (${BP_OPTION},none) 298TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 299endif 300 301ASFLAGS_aarch32 = $(march32-directive) 302ASFLAGS_aarch64 = $(march64-directive) 303 304# General warnings 305WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 306 -Wdisabled-optimization -Wvla -Wshadow \ 307 -Wno-unused-parameter -Wredundant-decls 308 309# Additional warnings 310# Level 1 311WARNING1 := -Wextra 312WARNING1 += -Wmissing-format-attribute 313WARNING1 += -Wmissing-prototypes 314WARNING1 += -Wold-style-definition 315 316# Level 2 317WARNING2 := -Waggregate-return 318WARNING2 += -Wcast-align 319WARNING2 += -Wnested-externs 320 321WARNING3 := -Wbad-function-cast 322WARNING3 += -Wcast-qual 323WARNING3 += -Wconversion 324WARNING3 += -Wpacked 325WARNING3 += -Wpointer-arith 326WARNING3 += -Wswitch-default 327 328ifeq (${W},1) 329WARNINGS += $(WARNING1) 330else ifeq (${W},2) 331WARNINGS += $(WARNING1) $(WARNING2) 332else ifeq (${W},3) 333WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 334endif 335 336# Compiler specific warnings 337ifeq ($(findstring clang,$(notdir $(CC))),) 338# not using clang 339WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 340 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 341 -Wlogical-op 342else 343# using clang 344WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 345 -Wlogical-op-parentheses 346endif 347 348ifneq (${E},0) 349ERRORS := -Werror 350endif 351 352CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 353 $(ERRORS) $(WARNINGS) 354ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 355 -ffreestanding -Wa,--fatal-warnings 356TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 357 -ffunction-sections -fdata-sections \ 358 -ffreestanding -fno-builtin -fno-common \ 359 -Os -std=gnu99 360 361ifeq (${SANITIZE_UB},on) 362TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 363endif 364ifeq (${SANITIZE_UB},trap) 365TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 366 -fsanitize-undefined-trap-on-error 367endif 368 369GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 370 371# LD = armlink 372ifneq ($(findstring armlink,$(notdir $(LD))),) 373TF_LDFLAGS += --diag_error=warning --lto_level=O1 374TF_LDFLAGS += --remove --info=unused,unusedsymbols 375TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 376 377# LD = gcc (used when GCC LTO is enabled) 378else ifneq ($(findstring gcc,$(notdir $(LD))),) 379# Pass ld options with Wl or Xlinker switches 380TF_LDFLAGS += -Wl,--fatal-warnings -O1 381TF_LDFLAGS += -Wl,--gc-sections 382ifeq ($(ENABLE_LTO),1) 383 ifeq (${ARCH},aarch64) 384 TF_LDFLAGS += -flto -fuse-linker-plugin 385 endif 386endif 387# GCC automatically adds fix-cortex-a53-843419 flag when used to link 388# which breaks some builds, so disable if errata fix is not explicitly enabled 389ifneq (${ERRATA_A53_843419},1) 390 TF_LDFLAGS += -mno-fix-cortex-a53-843419 391endif 392TF_LDFLAGS += -nostdlib 393TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 394 395# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 396else 397TF_LDFLAGS += --fatal-warnings -O1 398TF_LDFLAGS += --gc-sections 399# ld.lld doesn't recognize the errata flags, 400# therefore don't add those in that case 401ifeq ($(findstring ld.lld,$(notdir $(LD))),) 402TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 403endif 404endif 405 406DTC_FLAGS += -I dts -O dtb 407DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \ 408 -x assembler-with-cpp $(DEFINES) 409 410ifeq ($(MEASURED_BOOT),1) 411DTC_CPPFLAGS += -DMEASURED_BOOT -DBL2_HASH_SIZE=${TCG_DIGEST_SIZE} 412endif 413 414################################################################################ 415# Common sources and include directories 416################################################################################ 417include lib/compiler-rt/compiler-rt.mk 418 419BL_COMMON_SOURCES += common/bl_common.c \ 420 common/tf_log.c \ 421 common/${ARCH}/debug.S \ 422 drivers/console/multi_console.c \ 423 lib/${ARCH}/cache_helpers.S \ 424 lib/${ARCH}/misc_helpers.S \ 425 plat/common/plat_bl_common.c \ 426 plat/common/plat_log_common.c \ 427 plat/common/${ARCH}/plat_common.c \ 428 plat/common/${ARCH}/platform_helpers.S \ 429 ${COMPILER_RT_SRCS} 430 431ifeq ($(notdir $(CC)),armclang) 432BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 433endif 434 435ifeq (${SANITIZE_UB},on) 436BL_COMMON_SOURCES += plat/common/ubsan.c 437endif 438 439INCLUDES += -Iinclude \ 440 -Iinclude/arch/${ARCH} \ 441 -Iinclude/lib/cpus/${ARCH} \ 442 -Iinclude/lib/el3_runtime/${ARCH} \ 443 ${PLAT_INCLUDES} \ 444 ${SPD_INCLUDES} 445 446include common/backtrace/backtrace.mk 447 448################################################################################ 449# Generic definitions 450################################################################################ 451 452include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 453 454BUILD_BASE := ./build 455BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 456 457SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 458 459# Platforms providing their own TBB makefile may override this value 460INCLUDE_TBBR_MK := 1 461 462 463################################################################################ 464# Include SPD Makefile if one has been specified 465################################################################################ 466 467ifneq (${SPD},none) 468 ifeq (${ARCH},aarch32) 469 $(error "Error: SPD is incompatible with AArch32.") 470 endif 471 472 ifdef EL3_PAYLOAD_BASE 473 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 474 $(warning "The SPD and its BL32 companion will be present but ignored.") 475 endif 476 477 ifeq (${SPD},spmd) 478 $(warning "SPMD is an experimental feature") 479 # SPMD is located in std_svc directory 480 SPD_DIR := std_svc 481 482 ifeq ($(SPMD_SPM_AT_SEL2),1) 483 ifeq ($(CTX_INCLUDE_EL2_REGS),0) 484 $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option) 485 endif 486 endif 487 else 488 # All other SPDs in spd directory 489 SPD_DIR := spd 490 endif 491 492 # We expect to locate an spd.mk under the specified SPD directory 493 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 494 495 ifeq (${SPD_MAKE},) 496 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 497 endif 498 $(info Including ${SPD_MAKE}) 499 include ${SPD_MAKE} 500 501 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 502 # Makefile would set NEED_BL32 to "yes". In this case, the build system 503 # supports two mutually exclusive options: 504 # * BL32 is built from source: then BL32_SOURCES must contain the list 505 # of source files to build BL32 506 # * BL32 is a prebuilt binary: then BL32 must point to the image file 507 # that will be included in the FIP 508 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 509 # over the sources. 510endif 511 512################################################################################ 513# Include the platform specific Makefile after the SPD Makefile (the platform 514# makefile may use all previous definitions in this file) 515################################################################################ 516 517include ${PLAT_MAKEFILE_FULL} 518 519$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 520 521ifeq (${ARM_ARCH_MAJOR},7) 522include make_helpers/armv7-a-cpus.mk 523endif 524 525PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 526ifneq ($(PIE_FOUND),) 527 TF_CFLAGS += -fno-PIE 528endif 529 530ifneq ($(findstring gcc,$(notdir $(LD))),) 531 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 532else 533 PIE_LDFLAGS += -pie --no-dynamic-linker 534endif 535 536ifeq ($(ENABLE_PIE),1) 537ifeq ($(BL2_AT_EL3),1) 538ifneq ($(BL2_IN_XIP_MEM),1) 539 BL2_CFLAGS += -fpie 540 BL2_LDFLAGS += $(PIE_LDFLAGS) 541endif 542endif 543 BL31_CFLAGS += -fpie 544 BL31_LDFLAGS += $(PIE_LDFLAGS) 545ifeq ($(ARCH),aarch64) 546 BL32_CFLAGS += -fpie 547 BL32_LDFLAGS += $(PIE_LDFLAGS) 548endif 549endif 550 551ifeq (${ARCH},aarch64) 552BL1_CPPFLAGS += -DIMAGE_AT_EL3 553ifeq ($(BL2_AT_EL3),1) 554BL2_CPPFLAGS += -DIMAGE_AT_EL3 555else 556BL2_CPPFLAGS += -DIMAGE_AT_EL1 557endif 558BL2U_CPPFLAGS += -DIMAGE_AT_EL1 559BL31_CPPFLAGS += -DIMAGE_AT_EL3 560BL32_CPPFLAGS += -DIMAGE_AT_EL1 561endif 562 563# Include the CPU specific operations makefile, which provides default 564# values for all CPU errata workarounds and CPU specific optimisations. 565# This can be overridden by the platform. 566include lib/cpus/cpu-ops.mk 567 568ifeq (${ARCH},aarch32) 569NEED_BL32 := yes 570 571################################################################################ 572# Build `AARCH32_SP` as BL32 image for AArch32 573################################################################################ 574ifneq (${AARCH32_SP},none) 575# We expect to locate an sp.mk under the specified AARCH32_SP directory 576AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 577 578ifeq (${AARCH32_SP_MAKE},) 579 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 580endif 581 582$(info Including ${AARCH32_SP_MAKE}) 583include ${AARCH32_SP_MAKE} 584endif 585 586endif 587 588################################################################################ 589# Include libc if not overridden 590################################################################################ 591ifeq (${OVERRIDE_LIBC},0) 592include lib/libc/libc.mk 593endif 594 595################################################################################ 596# Check incompatible options 597################################################################################ 598 599ifdef EL3_PAYLOAD_BASE 600 ifdef PRELOADED_BL33_BASE 601 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 602 incompatible build options. EL3_PAYLOAD_BASE has priority.") 603 endif 604 ifneq (${GENERATE_COT},0) 605 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 606 endif 607 ifneq (${TRUSTED_BOARD_BOOT},0) 608 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 609 endif 610endif 611 612ifeq (${NEED_BL33},yes) 613 ifdef EL3_PAYLOAD_BASE 614 $(warning "BL33 image is not needed when option \ 615 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 616 endif 617 ifdef PRELOADED_BL33_BASE 618 $(warning "BL33 image is not needed when option \ 619 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 620 file.") 621 endif 622endif 623 624# When building for systems with hardware-assisted coherency, there's no need to 625# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 626ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 627$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 628endif 629 630#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 631ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 632$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 633endif 634 635# For RAS_EXTENSION, require that EAs are handled in EL3 first 636ifeq ($(RAS_EXTENSION),1) 637 ifneq ($(HANDLE_EA_EL3_FIRST),1) 638 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 639 endif 640endif 641 642# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 643ifeq ($(FAULT_INJECTION_SUPPORT),1) 644 ifneq ($(RAS_EXTENSION),1) 645 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 646 endif 647endif 648 649# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 650ifeq ($(DYN_DISABLE_AUTH), 1) 651 ifeq (${TRUSTED_BOARD_BOOT}, 0) 652 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 653 endif 654endif 655 656# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 657ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 658$(error "SDEI_IN_FCONF is an experimental feature and is only supported when \ 659 SDEI_SUPPORT is enabled") 660endif 661 662ifeq ($(COT_DESC_IN_DTB),1) 663 $(info CoT in device tree is an experimental feature) 664endif 665 666# If pointer authentication is used in the firmware, make sure that all the 667# registers associated to it are also saved and restored. 668# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 669ifeq ($(ENABLE_PAUTH),1) 670 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 671 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 672 endif 673endif 674 675ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 676 ifneq (${ARCH},aarch64) 677 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 678 else 679 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 680 endif 681endif 682 683ifeq ($(ENABLE_PAUTH),1) 684 $(info Pointer Authentication is an experimental feature) 685endif 686 687ifeq ($(ENABLE_BTI),1) 688 $(info Branch Protection is an experimental feature) 689endif 690 691ifeq ($(CTX_INCLUDE_MTE_REGS),1) 692 ifneq (${ARCH},aarch64) 693 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 694 else 695 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 696 endif 697endif 698 699ifeq ($(MEASURED_BOOT),1) 700 ifneq (${TRUSTED_BOARD_BOOT},1) 701 $(error MEASURED_BOOT requires TRUSTED_BOARD_BOOT=1) 702 else 703 $(info MEASURED_BOOT is an experimental feature) 704 endif 705endif 706 707ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 708 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 709 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 710 endif 711endif 712 713ifneq (${DECRYPTION_SUPPORT},none) 714 ifeq (${TRUSTED_BOARD_BOOT}, 0) 715 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 716 else 717 $(info DECRYPTION_SUPPORT is an experimental feature) 718 endif 719endif 720 721################################################################################ 722# Process platform overrideable behaviour 723################################################################################ 724 725# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 726# Certificate generation tools. This flag can be overridden by the platform. 727ifdef BL2_SOURCES 728 ifdef EL3_PAYLOAD_BASE 729 # If booting an EL3 payload there is no need for a BL33 image 730 # in the FIP file. 731 NEED_BL33 := no 732 else 733 ifdef PRELOADED_BL33_BASE 734 # If booting a BL33 preloaded image there is no need of 735 # another one in the FIP file. 736 NEED_BL33 := no 737 else 738 NEED_BL33 ?= yes 739 endif 740 endif 741endif 742 743# If SCP_BL2 is given, we always want FIP to include it. 744ifdef SCP_BL2 745 NEED_SCP_BL2 := yes 746endif 747 748# For AArch32, BL31 is not currently supported. 749ifneq (${ARCH},aarch32) 750 ifdef BL31_SOURCES 751 # When booting an EL3 payload, there is no need to compile the BL31 image nor 752 # put it in the FIP. 753 ifndef EL3_PAYLOAD_BASE 754 NEED_BL31 := yes 755 endif 756 endif 757endif 758 759# Process TBB related flags 760ifneq (${GENERATE_COT},0) 761 # Common cert_create options 762 ifneq (${CREATE_KEYS},0) 763 $(eval CRT_ARGS += -n) 764 $(eval FWU_CRT_ARGS += -n) 765 ifneq (${SAVE_KEYS},0) 766 $(eval CRT_ARGS += -k) 767 $(eval FWU_CRT_ARGS += -k) 768 endif 769 endif 770 # Include TBBR makefile (unless the platform indicates otherwise) 771 ifeq (${INCLUDE_TBBR_MK},1) 772 include make_helpers/tbbr/tbbr_tools.mk 773 endif 774endif 775 776ifneq (${FIP_ALIGN},0) 777FIP_ARGS += --align ${FIP_ALIGN} 778endif 779 780################################################################################ 781# Include libraries' Makefile that are used in all BL 782################################################################################ 783 784include lib/stack_protector/stack_protector.mk 785 786################################################################################ 787# Auxiliary tools (fiptool, cert_create, etc) 788################################################################################ 789 790# Variables for use with Certificate Generation Tool 791CRTTOOLPATH ?= tools/cert_create 792CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 793 794# Variables for use with Firmware Encryption Tool 795ENCTOOLPATH ?= tools/encrypt_fw 796ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 797 798# Variables for use with Firmware Image Package 799FIPTOOLPATH ?= tools/fiptool 800FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 801 802# Variables for use with sptool 803SPTOOLPATH ?= tools/sptool 804SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 805SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 806 807# Variables for use with ROMLIB 808ROMLIBPATH ?= lib/romlib 809 810# Variable for use with Python 811PYTHON ?= python3 812 813# Variables for use with PRINT_MEMORY_MAP 814PRINT_MEMORY_MAP_PATH ?= tools/memory 815PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 816 817# Variables for use with documentation build using Sphinx tool 818DOCS_PATH ?= docs 819 820################################################################################ 821# Include BL specific makefiles 822################################################################################ 823ifdef BL1_SOURCES 824NEED_BL1 := yes 825include bl1/bl1.mk 826endif 827 828ifdef BL2_SOURCES 829NEED_BL2 := yes 830include bl2/bl2.mk 831endif 832 833ifdef BL2U_SOURCES 834NEED_BL2U := yes 835include bl2u/bl2u.mk 836endif 837 838ifeq (${NEED_BL31},yes) 839ifdef BL31_SOURCES 840include bl31/bl31.mk 841endif 842endif 843 844ifdef FDT_SOURCES 845NEED_FDT := yes 846endif 847 848################################################################################ 849# Build options checks 850################################################################################ 851 852$(eval $(call assert_boolean,ALLOW_RO_XLAT_TABLES)) 853$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 854$(eval $(call assert_boolean,CREATE_KEYS)) 855$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 856$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 857$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 858$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 859$(eval $(call assert_boolean,CTX_INCLUDE_EL2_REGS)) 860$(eval $(call assert_boolean,DEBUG)) 861$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 862$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 863$(eval $(call assert_boolean,ENABLE_AMU)) 864$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 865$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 866$(eval $(call assert_boolean,ENABLE_PIE)) 867$(eval $(call assert_boolean,ENABLE_PMF)) 868$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 869$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 870$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 871$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 872$(eval $(call assert_boolean,ERROR_DEPRECATED)) 873$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 874$(eval $(call assert_boolean,GENERATE_COT)) 875$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 876$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 877$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 878$(eval $(call assert_boolean,INVERTED_MEMMAP)) 879$(eval $(call assert_boolean,MEASURED_BOOT)) 880$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 881$(eval $(call assert_boolean,OVERRIDE_LIBC)) 882$(eval $(call assert_boolean,PL011_GENERIC_UART)) 883$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 884$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 885$(eval $(call assert_boolean,RAS_EXTENSION)) 886$(eval $(call assert_boolean,RESET_TO_BL31)) 887$(eval $(call assert_boolean,SAVE_KEYS)) 888$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 889$(eval $(call assert_boolean,SEPARATE_NOBITS_REGION)) 890$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 891$(eval $(call assert_boolean,SPM_MM)) 892$(eval $(call assert_boolean,SPMD_SPM_AT_SEL2)) 893$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 894$(eval $(call assert_boolean,USE_COHERENT_MEM)) 895$(eval $(call assert_boolean,USE_DEBUGFS)) 896$(eval $(call assert_boolean,ARM_IO_IN_DTB)) 897$(eval $(call assert_boolean,SDEI_IN_FCONF)) 898$(eval $(call assert_boolean,SEC_INT_DESC_IN_FCONF)) 899$(eval $(call assert_boolean,USE_ROMLIB)) 900$(eval $(call assert_boolean,USE_TBBR_DEFS)) 901$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 902$(eval $(call assert_boolean,BL2_AT_EL3)) 903$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 904$(eval $(call assert_boolean,BL2_INV_DCACHE)) 905$(eval $(call assert_boolean,USE_SPINLOCK_CAS)) 906$(eval $(call assert_boolean,ENCRYPT_BL31)) 907$(eval $(call assert_boolean,ENCRYPT_BL32)) 908$(eval $(call assert_boolean,ERRATA_SPECULATIVE_AT)) 909$(eval $(call assert_boolean,RAS_TRAP_LOWER_EL_ERR_ACCESS)) 910$(eval $(call assert_boolean,COT_DESC_IN_DTB)) 911 912$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 913$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 914$(eval $(call assert_numeric,BRANCH_PROTECTION)) 915$(eval $(call assert_numeric,FW_ENC_STATUS)) 916 917ifdef KEY_SIZE 918 $(eval $(call assert_numeric,KEY_SIZE)) 919endif 920 921ifeq ($(filter $(SANITIZE_UB), on off trap),) 922 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 923endif 924 925################################################################################ 926# Add definitions to the cpp preprocessor based on the current build options. 927# This is done after including the platform specific makefile to allow the 928# platform to overwrite the default options 929################################################################################ 930 931$(eval $(call add_define,ALLOW_RO_XLAT_TABLES)) 932$(eval $(call add_define,ARM_ARCH_MAJOR)) 933$(eval $(call add_define,ARM_ARCH_MINOR)) 934$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 935$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 936$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 937$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 938$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 939$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 940$(eval $(call add_define,CTX_INCLUDE_EL2_REGS)) 941$(eval $(call add_define,DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT})) 942$(eval $(call add_define,ENABLE_AMU)) 943$(eval $(call add_define,ENABLE_ASSERTIONS)) 944$(eval $(call add_define,ENABLE_BTI)) 945$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 946$(eval $(call add_define,ENABLE_PAUTH)) 947$(eval $(call add_define,ENABLE_PIE)) 948$(eval $(call add_define,ENABLE_PMF)) 949$(eval $(call add_define,ENABLE_PSCI_STAT)) 950$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 951$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 952$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 953$(eval $(call add_define,ENCRYPT_BL31)) 954$(eval $(call add_define,ENCRYPT_BL32)) 955$(eval $(call add_define,ERROR_DEPRECATED)) 956$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 957$(eval $(call add_define,GICV2_G0_FOR_EL3)) 958$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 959$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 960$(eval $(call add_define,LOG_LEVEL)) 961$(eval $(call add_define,MEASURED_BOOT)) 962$(eval $(call add_define,NS_TIMER_SWITCH)) 963$(eval $(call add_define,PL011_GENERIC_UART)) 964$(eval $(call add_define,PLAT_${PLAT})) 965$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 966$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 967$(eval $(call add_define,RAS_EXTENSION)) 968$(eval $(call add_define,RESET_TO_BL31)) 969$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 970$(eval $(call add_define,SEPARATE_NOBITS_REGION)) 971$(eval $(call add_define,RECLAIM_INIT_CODE)) 972$(eval $(call add_define,SPD_${SPD})) 973$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 974$(eval $(call add_define,SPM_MM)) 975$(eval $(call add_define,SPMD_SPM_AT_SEL2)) 976$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 977$(eval $(call add_define,USE_COHERENT_MEM)) 978$(eval $(call add_define,USE_DEBUGFS)) 979$(eval $(call add_define,ARM_IO_IN_DTB)) 980$(eval $(call add_define,SDEI_IN_FCONF)) 981$(eval $(call add_define,SEC_INT_DESC_IN_FCONF)) 982$(eval $(call add_define,USE_ROMLIB)) 983$(eval $(call add_define,USE_TBBR_DEFS)) 984$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 985$(eval $(call add_define,BL2_AT_EL3)) 986$(eval $(call add_define,BL2_IN_XIP_MEM)) 987$(eval $(call add_define,BL2_INV_DCACHE)) 988$(eval $(call add_define,USE_SPINLOCK_CAS)) 989$(eval $(call add_define,ERRATA_SPECULATIVE_AT)) 990$(eval $(call add_define,RAS_TRAP_LOWER_EL_ERR_ACCESS)) 991$(eval $(call add_define,COT_DESC_IN_DTB)) 992 993ifeq (${SANITIZE_UB},trap) 994 $(eval $(call add_define,MONITOR_TRAPS)) 995endif 996 997# Define the EL3_PAYLOAD_BASE flag only if it is provided. 998ifdef EL3_PAYLOAD_BASE 999 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 1000else 1001 # Define the PRELOADED_BL33_BASE flag only if it is provided and 1002 # EL3_PAYLOAD_BASE is not defined, as it has priority. 1003 ifdef PRELOADED_BL33_BASE 1004 $(eval $(call add_define,PRELOADED_BL33_BASE)) 1005 endif 1006endif 1007 1008# Define the DYN_DISABLE_AUTH flag only if set. 1009ifeq (${DYN_DISABLE_AUTH},1) 1010$(eval $(call add_define,DYN_DISABLE_AUTH)) 1011endif 1012 1013ifneq ($(findstring armlink,$(notdir $(LD))),) 1014$(eval $(call add_define,USE_ARM_LINK)) 1015endif 1016 1017# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1018ifeq (${SPD},spmd) 1019ifdef SP_LAYOUT_FILE 1020 ifeq (${SPMD_SPM_AT_SEL2},0) 1021 $(error "SPMD with SPM at S-EL1 does not require SP_LAYOUT_FILE") 1022 endif 1023 -include $(BUILD_PLAT)/sp_gen.mk 1024 FIP_DEPS += sp 1025 CRT_DEPS += sp 1026 NEED_SP_PKG := yes 1027else 1028 ifeq (${SPMD_SPM_AT_SEL2},1) 1029 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1030 endif 1031endif 1032endif 1033 1034################################################################################ 1035# Build targets 1036################################################################################ 1037 1038.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1039.SUFFIXES: 1040 1041all: msg_start 1042 1043msg_start: 1044 @echo "Building ${PLAT}" 1045 1046ifeq (${ERROR_DEPRECATED},0) 1047# Check if deprecated declarations and cpp warnings should be treated as error or not. 1048ifneq ($(findstring clang,$(notdir $(CC))),) 1049 CPPFLAGS += -Wno-error=deprecated-declarations 1050else 1051 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1052endif 1053# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 1054ASFLAGS += -D__ASSEMBLY__ 1055# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 1056ifeq (${ARCH},aarch32) 1057 $(eval $(call add_define,AARCH32)) 1058else 1059 $(eval $(call add_define,AARCH64)) 1060endif 1061endif # !ERROR_DEPRECATED 1062 1063$(eval $(call MAKE_LIB_DIRS)) 1064$(eval $(call MAKE_LIB,c)) 1065 1066# Expand build macros for the different images 1067ifeq (${NEED_BL1},yes) 1068$(eval $(call MAKE_BL,1)) 1069endif 1070 1071ifeq (${NEED_BL2},yes) 1072ifeq (${BL2_AT_EL3}, 0) 1073FIP_BL2_ARGS := tb-fw 1074endif 1075 1076$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1077 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 1078endif 1079 1080ifeq (${NEED_SCP_BL2},yes) 1081$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1082endif 1083 1084ifeq (${NEED_BL31},yes) 1085BL31_SOURCES += ${SPD_SOURCES} 1086# Sort BL31 source files to remove duplicates 1087BL31_SOURCES := $(sort ${BL31_SOURCES}) 1088ifneq (${DECRYPTION_SUPPORT},none) 1089$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1090 $(eval $(call MAKE_BL,31,soc-fw,,$(ENCRYPT_BL31)))) 1091else 1092$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1093 $(eval $(call MAKE_BL,31,soc-fw))) 1094endif 1095endif 1096 1097# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1098# build system will call TOOL_ADD_IMG to print a warning message and abort the 1099# process. Note that the dependency on BL32 applies to the FIP only. 1100ifeq (${NEED_BL32},yes) 1101# Sort BL32 source files to remove duplicates 1102BL32_SOURCES := $(sort ${BL32_SOURCES}) 1103BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1104 1105ifneq (${DECRYPTION_SUPPORT},none) 1106$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw,,$(ENCRYPT_BL32))),\ 1107 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1108else 1109$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 1110 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1111endif 1112endif 1113 1114# Add the BL33 image if required by the platform 1115ifeq (${NEED_BL33},yes) 1116$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1117endif 1118 1119ifeq (${NEED_BL2U},yes) 1120$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1121 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 1122endif 1123 1124# Expand build macros for the different images 1125ifeq (${NEED_FDT},yes) 1126 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1127endif 1128 1129# Add Secure Partition packages 1130ifeq (${NEED_SP_PKG},yes) 1131$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1132 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) 1133sp: $(SPTOOL) $(DTBS) $(BUILD_PLAT)/sp_gen.mk 1134 ${Q}$(SPTOOL) $(SPTOOL_ARGS) 1135 @${ECHO_BLANK_LINE} 1136 @echo "Built SP Images successfully" 1137 @${ECHO_BLANK_LINE} 1138endif 1139 1140locate-checkpatch: 1141ifndef CHECKPATCH 1142 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1143else 1144ifeq (,$(wildcard ${CHECKPATCH})) 1145 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1146endif 1147endif 1148 1149clean: 1150 @echo " CLEAN" 1151 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1152 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1153 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1154 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1155 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1156 1157realclean distclean: 1158 @echo " REALCLEAN" 1159 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1160 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1161 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1162 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 1163 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1164 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1165 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1166 1167checkcodebase: locate-checkpatch 1168 @echo " CHECKING STYLE" 1169 @if test -d .git ; then \ 1170 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1171 while read GIT_FILE ; \ 1172 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1173 done ; \ 1174 else \ 1175 find . -type f -not -iwholename "*.git*" \ 1176 -not -iwholename "*build*" \ 1177 -not -iwholename "*libfdt*" \ 1178 -not -iwholename "*libc*" \ 1179 -not -iwholename "*docs*" \ 1180 -not -iwholename "*.rst" \ 1181 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1182 fi 1183 1184checkpatch: locate-checkpatch 1185 @echo " CHECKING STYLE" 1186 @if test -n "${CHECKPATCH_OPTS}"; then \ 1187 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1188 fi 1189 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1190 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 1191 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1192 git log --format=email "$$commit~..$$commit" \ 1193 -- ${CHECK_PATHS} | \ 1194 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1195 git diff --format=email "$$commit~..$$commit" \ 1196 -- ${CHECK_PATHS} | \ 1197 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1198 done 1199 1200certtool: ${CRTTOOL} 1201 1202.PHONY: ${CRTTOOL} 1203${CRTTOOL}: 1204 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} --no-print-directory -C ${CRTTOOLPATH} 1205 @${ECHO_BLANK_LINE} 1206 @echo "Built $@ successfully" 1207 @${ECHO_BLANK_LINE} 1208 1209ifneq (${GENERATE_COT},0) 1210certificates: ${CRT_DEPS} ${CRTTOOL} 1211 ${Q}${CRTTOOL} ${CRT_ARGS} 1212 @${ECHO_BLANK_LINE} 1213 @echo "Built $@ successfully" 1214 @echo "Certificates can be found in ${BUILD_PLAT}" 1215 @${ECHO_BLANK_LINE} 1216endif 1217 1218${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1219 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1220 ${Q}${FIPTOOL} info $@ 1221 @${ECHO_BLANK_LINE} 1222 @echo "Built $@ successfully" 1223 @${ECHO_BLANK_LINE} 1224 1225ifneq (${GENERATE_COT},0) 1226fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1227 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1228 @${ECHO_BLANK_LINE} 1229 @echo "Built $@ successfully" 1230 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1231 @${ECHO_BLANK_LINE} 1232endif 1233 1234${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1235 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1236 ${Q}${FIPTOOL} info $@ 1237 @${ECHO_BLANK_LINE} 1238 @echo "Built $@ successfully" 1239 @${ECHO_BLANK_LINE} 1240 1241fiptool: ${FIPTOOL} 1242fip: ${BUILD_PLAT}/${FIP_NAME} 1243fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1244 1245.PHONY: ${FIPTOOL} 1246${FIPTOOL}: 1247 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 1248 1249sptool: ${SPTOOL} 1250.PHONY: ${SPTOOL} 1251${SPTOOL}: 1252 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 1253 1254.PHONY: libraries 1255romlib.bin: libraries 1256 ${Q}${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 1257 1258# Call print_memory_map tool 1259memmap: all 1260 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1261 1262doc: 1263 @echo " BUILD DOCUMENTATION" 1264 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1265 1266enctool: ${ENCTOOL} 1267 1268.PHONY: ${ENCTOOL} 1269${ENCTOOL}: 1270 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 --no-print-directory -C ${ENCTOOLPATH} 1271 @${ECHO_BLANK_LINE} 1272 @echo "Built $@ successfully" 1273 @${ECHO_BLANK_LINE} 1274 1275cscope: 1276 @echo " CSCOPE" 1277 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1278 ${Q}cscope -b -q -k 1279 1280help: 1281 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1282 @echo "" 1283 @echo "PLAT is used to specify which platform you wish to build." 1284 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1285 @echo "" 1286 @echo "platform = ${PLATFORM_LIST}" 1287 @echo "" 1288 @echo "Please refer to the User Guide for a list of all supported options." 1289 @echo "Note that the build system doesn't track dependencies for build " 1290 @echo "options. Therefore, if any of the build options are changed " 1291 @echo "from a previous build, a clean build must be performed." 1292 @echo "" 1293 @echo "Supported Targets:" 1294 @echo " all Build all individual bootloader binaries" 1295 @echo " bl1 Build the BL1 binary" 1296 @echo " bl2 Build the BL2 binary" 1297 @echo " bl2u Build the BL2U binary" 1298 @echo " bl31 Build the BL31 binary" 1299 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1300 @echo " this builds secure payload specified by AARCH32_SP" 1301 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1302 @echo " fip Build the Firmware Image Package (FIP)" 1303 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1304 @echo " checkcodebase Check the coding style of the entire source tree" 1305 @echo " checkpatch Check the coding style on changes in the current" 1306 @echo " branch against BASE_COMMIT (default origin/master)" 1307 @echo " clean Clean the build for the selected platform" 1308 @echo " cscope Generate cscope index" 1309 @echo " distclean Remove all build artifacts for all platforms" 1310 @echo " certtool Build the Certificate generation tool" 1311 @echo " enctool Build the Firmware encryption tool" 1312 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1313 @echo " sp Build the Secure Partition Packages" 1314 @echo " sptool Build the Secure Partition Package creation tool" 1315 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1316 @echo " memmap Print the memory map of the built binaries" 1317 @echo " doc Build html based documentation using Sphinx tool" 1318 @echo "" 1319 @echo "Note: most build targets require PLAT to be set to a specific platform." 1320 @echo "" 1321 @echo "example: build all targets for the FVP platform:" 1322 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1323