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 528 529 ifneq ($(ARM_BL2_SP_LIST_DTS),) 530 DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS) 531 endif 532 else 533 # All other SPDs in spd directory 534 SPD_DIR := spd 535 endif 536 537 # We expect to locate an spd.mk under the specified SPD directory 538 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 539 540 ifeq (${SPD_MAKE},) 541 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 542 endif 543 $(info Including ${SPD_MAKE}) 544 include ${SPD_MAKE} 545 546 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 547 # Makefile would set NEED_BL32 to "yes". In this case, the build system 548 # supports two mutually exclusive options: 549 # * BL32 is built from source: then BL32_SOURCES must contain the list 550 # of source files to build BL32 551 # * BL32 is a prebuilt binary: then BL32 must point to the image file 552 # that will be included in the FIP 553 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 554 # over the sources. 555endif 556 557################################################################################ 558# Include the platform specific Makefile after the SPD Makefile (the platform 559# makefile may use all previous definitions in this file) 560################################################################################ 561 562include ${PLAT_MAKEFILE_FULL} 563 564$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 565 566ifeq (${ARM_ARCH_MAJOR},7) 567include make_helpers/armv7-a-cpus.mk 568endif 569 570PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 571ifneq ($(PIE_FOUND),) 572 TF_CFLAGS += -fno-PIE 573endif 574 575ifneq ($(findstring gcc,$(notdir $(LD))),) 576 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 577else 578 PIE_LDFLAGS += -pie --no-dynamic-linker 579endif 580 581ifeq ($(ENABLE_PIE),1) 582ifeq ($(BL2_AT_EL3),1) 583ifneq ($(BL2_IN_XIP_MEM),1) 584 BL2_CFLAGS += -fpie 585 BL2_LDFLAGS += $(PIE_LDFLAGS) 586endif 587endif 588 BL31_CFLAGS += -fpie 589 BL31_LDFLAGS += $(PIE_LDFLAGS) 590 BL32_CFLAGS += -fpie 591 BL32_LDFLAGS += $(PIE_LDFLAGS) 592endif 593 594ifeq (${ARCH},aarch64) 595BL1_CPPFLAGS += -DIMAGE_AT_EL3 596ifeq ($(BL2_AT_EL3),1) 597BL2_CPPFLAGS += -DIMAGE_AT_EL3 598else 599BL2_CPPFLAGS += -DIMAGE_AT_EL1 600endif 601BL2U_CPPFLAGS += -DIMAGE_AT_EL1 602BL31_CPPFLAGS += -DIMAGE_AT_EL3 603BL32_CPPFLAGS += -DIMAGE_AT_EL1 604endif 605 606# Include the CPU specific operations makefile, which provides default 607# values for all CPU errata workarounds and CPU specific optimisations. 608# This can be overridden by the platform. 609include lib/cpus/cpu-ops.mk 610 611ifeq (${ARCH},aarch32) 612NEED_BL32 := yes 613 614################################################################################ 615# Build `AARCH32_SP` as BL32 image for AArch32 616################################################################################ 617ifneq (${AARCH32_SP},none) 618# We expect to locate an sp.mk under the specified AARCH32_SP directory 619AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 620 621ifeq (${AARCH32_SP_MAKE},) 622 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 623endif 624 625$(info Including ${AARCH32_SP_MAKE}) 626include ${AARCH32_SP_MAKE} 627endif 628 629endif 630 631################################################################################ 632# Include libc if not overridden 633################################################################################ 634ifeq (${OVERRIDE_LIBC},0) 635include lib/libc/libc.mk 636endif 637 638################################################################################ 639# Check incompatible options 640################################################################################ 641 642ifdef EL3_PAYLOAD_BASE 643 ifdef PRELOADED_BL33_BASE 644 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 645 incompatible build options. EL3_PAYLOAD_BASE has priority.") 646 endif 647 ifneq (${GENERATE_COT},0) 648 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 649 endif 650 ifneq (${TRUSTED_BOARD_BOOT},0) 651 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 652 endif 653endif 654 655ifeq (${NEED_BL33},yes) 656 ifdef EL3_PAYLOAD_BASE 657 $(warning "BL33 image is not needed when option \ 658 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 659 endif 660 ifdef PRELOADED_BL33_BASE 661 $(warning "BL33 image is not needed when option \ 662 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 663 file.") 664 endif 665endif 666 667# When building for systems with hardware-assisted coherency, there's no need to 668# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 669ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 670$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 671endif 672 673#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 674ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 675$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 676endif 677 678# For RAS_EXTENSION, require that EAs are handled in EL3 first 679ifeq ($(RAS_EXTENSION),1) 680 ifneq ($(HANDLE_EA_EL3_FIRST),1) 681 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 682 endif 683endif 684 685# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 686ifeq ($(FAULT_INJECTION_SUPPORT),1) 687 ifneq ($(RAS_EXTENSION),1) 688 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 689 endif 690endif 691 692# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 693ifeq ($(DYN_DISABLE_AUTH), 1) 694 ifeq (${TRUSTED_BOARD_BOOT}, 0) 695 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 696 endif 697endif 698 699# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 700ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 701$(error "SDEI_IN_FCONF is an experimental feature and is only supported when \ 702 SDEI_SUPPORT is enabled") 703endif 704 705ifeq ($(COT_DESC_IN_DTB),1) 706 $(info CoT in device tree is an experimental feature) 707endif 708 709# If pointer authentication is used in the firmware, make sure that all the 710# registers associated to it are also saved and restored. 711# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 712ifeq ($(ENABLE_PAUTH),1) 713 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 714 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 715 endif 716endif 717 718ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 719 ifneq (${ARCH},aarch64) 720 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 721 else 722 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 723 endif 724endif 725 726ifeq ($(ENABLE_PAUTH),1) 727 $(info Pointer Authentication is an experimental feature) 728endif 729 730ifeq ($(ENABLE_BTI),1) 731 $(info Branch Protection is an experimental feature) 732endif 733 734ifeq ($(CTX_INCLUDE_MTE_REGS),1) 735 ifneq (${ARCH},aarch64) 736 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 737 else 738 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 739 endif 740endif 741 742# Trusted Boot is a prerequisite for Measured Boot. It provides trust that the 743# code taking the measurements and recording them has not been tampered 744# with. This is referred to as the Root of Trust for Measurement. 745ifeq ($(MEASURED_BOOT),1) 746 ifneq (${TRUSTED_BOARD_BOOT},1) 747 $(error MEASURED_BOOT requires TRUSTED_BOARD_BOOT=1) 748 else 749 $(info MEASURED_BOOT is an experimental feature) 750 endif 751endif 752 753ifeq ($(PSA_FWU_SUPPORT),1) 754 $(info PSA_FWU_SUPPORT is an experimental feature) 755endif 756 757ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 758 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 759 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 760 endif 761endif 762 763ifneq (${DECRYPTION_SUPPORT},none) 764 ifeq (${TRUSTED_BOARD_BOOT}, 0) 765 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 766 else 767 $(info DECRYPTION_SUPPORT is an experimental feature) 768 endif 769endif 770 771################################################################################ 772# Process platform overrideable behaviour 773################################################################################ 774 775# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 776# Certificate generation tools. This flag can be overridden by the platform. 777ifdef BL2_SOURCES 778 ifdef EL3_PAYLOAD_BASE 779 # If booting an EL3 payload there is no need for a BL33 image 780 # in the FIP file. 781 NEED_BL33 := no 782 else 783 ifdef PRELOADED_BL33_BASE 784 # If booting a BL33 preloaded image there is no need of 785 # another one in the FIP file. 786 NEED_BL33 := no 787 else 788 NEED_BL33 ?= yes 789 endif 790 endif 791endif 792 793# If SCP_BL2 is given, we always want FIP to include it. 794ifdef SCP_BL2 795 NEED_SCP_BL2 := yes 796endif 797 798# For AArch32, BL31 is not currently supported. 799ifneq (${ARCH},aarch32) 800 ifdef BL31_SOURCES 801 # When booting an EL3 payload, there is no need to compile the BL31 image nor 802 # put it in the FIP. 803 ifndef EL3_PAYLOAD_BASE 804 NEED_BL31 := yes 805 endif 806 endif 807endif 808 809# Process TBB related flags 810ifneq (${GENERATE_COT},0) 811 # Common cert_create options 812 ifneq (${CREATE_KEYS},0) 813 $(eval CRT_ARGS += -n) 814 $(eval FWU_CRT_ARGS += -n) 815 ifneq (${SAVE_KEYS},0) 816 $(eval CRT_ARGS += -k) 817 $(eval FWU_CRT_ARGS += -k) 818 endif 819 endif 820 # Include TBBR makefile (unless the platform indicates otherwise) 821 ifeq (${INCLUDE_TBBR_MK},1) 822 include make_helpers/tbbr/tbbr_tools.mk 823 endif 824endif 825 826ifneq (${FIP_ALIGN},0) 827FIP_ARGS += --align ${FIP_ALIGN} 828endif 829 830################################################################################ 831# Include libraries' Makefile that are used in all BL 832################################################################################ 833 834include lib/stack_protector/stack_protector.mk 835 836################################################################################ 837# Auxiliary tools (fiptool, cert_create, etc) 838################################################################################ 839 840# Variables for use with Certificate Generation Tool 841CRTTOOLPATH ?= tools/cert_create 842CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 843 844# Variables for use with Firmware Encryption Tool 845ENCTOOLPATH ?= tools/encrypt_fw 846ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 847 848# Variables for use with Firmware Image Package 849FIPTOOLPATH ?= tools/fiptool 850FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 851 852# Variables for use with sptool 853SPTOOLPATH ?= tools/sptool 854SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 855SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 856 857# Variables for use with ROMLIB 858ROMLIBPATH ?= lib/romlib 859 860# Variable for use with Python 861PYTHON ?= python3 862 863# Variables for use with PRINT_MEMORY_MAP 864PRINT_MEMORY_MAP_PATH ?= tools/memory 865PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 866 867# Variables for use with documentation build using Sphinx tool 868DOCS_PATH ?= docs 869 870################################################################################ 871# Include BL specific makefiles 872################################################################################ 873ifdef BL1_SOURCES 874NEED_BL1 := yes 875include bl1/bl1.mk 876endif 877 878ifdef BL2_SOURCES 879NEED_BL2 := yes 880include bl2/bl2.mk 881endif 882 883ifdef BL2U_SOURCES 884NEED_BL2U := yes 885include bl2u/bl2u.mk 886endif 887 888ifeq (${NEED_BL31},yes) 889ifdef BL31_SOURCES 890include bl31/bl31.mk 891endif 892endif 893 894ifdef FDT_SOURCES 895NEED_FDT := yes 896endif 897 898################################################################################ 899# Build options checks 900################################################################################ 901 902$(eval $(call assert_booleans,\ 903 $(sort \ 904 ALLOW_RO_XLAT_TABLES \ 905 COLD_BOOT_SINGLE_CPU \ 906 CREATE_KEYS \ 907 CTX_INCLUDE_AARCH32_REGS \ 908 CTX_INCLUDE_FPREGS \ 909 CTX_INCLUDE_PAUTH_REGS \ 910 CTX_INCLUDE_MTE_REGS \ 911 CTX_INCLUDE_EL2_REGS \ 912 CTX_INCLUDE_NEVE_REGS \ 913 DEBUG \ 914 DISABLE_MTPMU \ 915 DYN_DISABLE_AUTH \ 916 EL3_EXCEPTION_HANDLING \ 917 ENABLE_AMU \ 918 AMU_RESTRICT_COUNTERS \ 919 ENABLE_ASSERTIONS \ 920 ENABLE_MPAM_FOR_LOWER_ELS \ 921 ENABLE_PIE \ 922 ENABLE_PMF \ 923 ENABLE_PSCI_STAT \ 924 ENABLE_RUNTIME_INSTRUMENTATION \ 925 ENABLE_SPE_FOR_LOWER_ELS \ 926 ENABLE_SVE_FOR_NS \ 927 ENABLE_SVE_FOR_SWD \ 928 ERROR_DEPRECATED \ 929 FAULT_INJECTION_SUPPORT \ 930 GENERATE_COT \ 931 GICV2_G0_FOR_EL3 \ 932 HANDLE_EA_EL3_FIRST \ 933 HW_ASSISTED_COHERENCY \ 934 INVERTED_MEMMAP \ 935 MEASURED_BOOT \ 936 NS_TIMER_SWITCH \ 937 OVERRIDE_LIBC \ 938 PL011_GENERIC_UART \ 939 PROGRAMMABLE_RESET_ADDRESS \ 940 PSCI_EXTENDED_STATE_ID \ 941 RAS_EXTENSION \ 942 RESET_TO_BL31 \ 943 SAVE_KEYS \ 944 SEPARATE_CODE_AND_RODATA \ 945 SEPARATE_NOBITS_REGION \ 946 SPIN_ON_BL1_EXIT \ 947 SPM_MM \ 948 SPMD_SPM_AT_SEL2 \ 949 TRUSTED_BOARD_BOOT \ 950 USE_COHERENT_MEM \ 951 USE_DEBUGFS \ 952 ARM_IO_IN_DTB \ 953 SDEI_IN_FCONF \ 954 SEC_INT_DESC_IN_FCONF \ 955 USE_ROMLIB \ 956 USE_TBBR_DEFS \ 957 WARMBOOT_ENABLE_DCACHE_EARLY \ 958 BL2_AT_EL3 \ 959 BL2_IN_XIP_MEM \ 960 BL2_INV_DCACHE \ 961 USE_SPINLOCK_CAS \ 962 ENCRYPT_BL31 \ 963 ENCRYPT_BL32 \ 964 ERRATA_SPECULATIVE_AT \ 965 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 966 COT_DESC_IN_DTB \ 967 USE_SP804_TIMER \ 968 ENABLE_FEAT_RNG \ 969 ENABLE_FEAT_SB \ 970 PSA_FWU_SUPPORT \ 971 ENABLE_TRBE_FOR_NS \ 972 ENABLE_SYS_REG_TRACE_FOR_NS \ 973 ENABLE_TRF_FOR_NS \ 974))) 975 976$(eval $(call assert_numerics,\ 977 $(sort \ 978 ARM_ARCH_MAJOR \ 979 ARM_ARCH_MINOR \ 980 BRANCH_PROTECTION \ 981 FW_ENC_STATUS \ 982 NR_OF_FW_BANKS \ 983 NR_OF_IMAGES_IN_FW_BANK \ 984))) 985 986ifdef KEY_SIZE 987 $(eval $(call assert_numeric,KEY_SIZE)) 988endif 989 990ifeq ($(filter $(SANITIZE_UB), on off trap),) 991 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 992endif 993 994################################################################################ 995# Add definitions to the cpp preprocessor based on the current build options. 996# This is done after including the platform specific makefile to allow the 997# platform to overwrite the default options 998################################################################################ 999 1000$(eval $(call add_defines,\ 1001 $(sort \ 1002 ALLOW_RO_XLAT_TABLES \ 1003 ARM_ARCH_MAJOR \ 1004 ARM_ARCH_MINOR \ 1005 COLD_BOOT_SINGLE_CPU \ 1006 CTX_INCLUDE_AARCH32_REGS \ 1007 CTX_INCLUDE_FPREGS \ 1008 CTX_INCLUDE_PAUTH_REGS \ 1009 EL3_EXCEPTION_HANDLING \ 1010 CTX_INCLUDE_MTE_REGS \ 1011 CTX_INCLUDE_EL2_REGS \ 1012 CTX_INCLUDE_NEVE_REGS \ 1013 DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \ 1014 DISABLE_MTPMU \ 1015 ENABLE_AMU \ 1016 AMU_RESTRICT_COUNTERS \ 1017 ENABLE_ASSERTIONS \ 1018 ENABLE_BTI \ 1019 ENABLE_MPAM_FOR_LOWER_ELS \ 1020 ENABLE_PAUTH \ 1021 ENABLE_PIE \ 1022 ENABLE_PMF \ 1023 ENABLE_PSCI_STAT \ 1024 ENABLE_RUNTIME_INSTRUMENTATION \ 1025 ENABLE_SPE_FOR_LOWER_ELS \ 1026 ENABLE_SVE_FOR_NS \ 1027 ENABLE_SVE_FOR_SWD \ 1028 ENCRYPT_BL31 \ 1029 ENCRYPT_BL32 \ 1030 ERROR_DEPRECATED \ 1031 FAULT_INJECTION_SUPPORT \ 1032 GICV2_G0_FOR_EL3 \ 1033 HANDLE_EA_EL3_FIRST \ 1034 HW_ASSISTED_COHERENCY \ 1035 LOG_LEVEL \ 1036 MEASURED_BOOT \ 1037 NS_TIMER_SWITCH \ 1038 PL011_GENERIC_UART \ 1039 PLAT_${PLAT} \ 1040 PROGRAMMABLE_RESET_ADDRESS \ 1041 PSCI_EXTENDED_STATE_ID \ 1042 RAS_EXTENSION \ 1043 RESET_TO_BL31 \ 1044 SEPARATE_CODE_AND_RODATA \ 1045 SEPARATE_NOBITS_REGION \ 1046 RECLAIM_INIT_CODE \ 1047 SPD_${SPD} \ 1048 SPIN_ON_BL1_EXIT \ 1049 SPM_MM \ 1050 SPMD_SPM_AT_SEL2 \ 1051 TRUSTED_BOARD_BOOT \ 1052 TRNG_SUPPORT \ 1053 USE_COHERENT_MEM \ 1054 USE_DEBUGFS \ 1055 ARM_IO_IN_DTB \ 1056 SDEI_IN_FCONF \ 1057 SEC_INT_DESC_IN_FCONF \ 1058 USE_ROMLIB \ 1059 USE_TBBR_DEFS \ 1060 WARMBOOT_ENABLE_DCACHE_EARLY \ 1061 BL2_AT_EL3 \ 1062 BL2_IN_XIP_MEM \ 1063 BL2_INV_DCACHE \ 1064 USE_SPINLOCK_CAS \ 1065 ERRATA_SPECULATIVE_AT \ 1066 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 1067 COT_DESC_IN_DTB \ 1068 USE_SP804_TIMER \ 1069 ENABLE_FEAT_RNG \ 1070 ENABLE_FEAT_SB \ 1071 NR_OF_FW_BANKS \ 1072 NR_OF_IMAGES_IN_FW_BANK \ 1073 PSA_FWU_SUPPORT \ 1074 ENABLE_TRBE_FOR_NS \ 1075 ENABLE_SYS_REG_TRACE_FOR_NS \ 1076 ENABLE_TRF_FOR_NS \ 1077))) 1078 1079ifeq (${SANITIZE_UB},trap) 1080 $(eval $(call add_define,MONITOR_TRAPS)) 1081endif 1082 1083# Define the EL3_PAYLOAD_BASE flag only if it is provided. 1084ifdef EL3_PAYLOAD_BASE 1085 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 1086else 1087 # Define the PRELOADED_BL33_BASE flag only if it is provided and 1088 # EL3_PAYLOAD_BASE is not defined, as it has priority. 1089 ifdef PRELOADED_BL33_BASE 1090 $(eval $(call add_define,PRELOADED_BL33_BASE)) 1091 endif 1092endif 1093 1094# Define the DYN_DISABLE_AUTH flag only if set. 1095ifeq (${DYN_DISABLE_AUTH},1) 1096$(eval $(call add_define,DYN_DISABLE_AUTH)) 1097endif 1098 1099ifneq ($(findstring armlink,$(notdir $(LD))),) 1100$(eval $(call add_define,USE_ARM_LINK)) 1101endif 1102 1103# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1104ifeq (${SPD},spmd) 1105ifdef SP_LAYOUT_FILE 1106 ifeq (${SPMD_SPM_AT_SEL2},0) 1107 $(error "SPMD with SPM at S-EL1 does not require SP_LAYOUT_FILE") 1108 endif 1109 -include $(BUILD_PLAT)/sp_gen.mk 1110 FIP_DEPS += sp 1111 CRT_DEPS += sp 1112 NEED_SP_PKG := yes 1113else 1114 ifeq (${SPMD_SPM_AT_SEL2},1) 1115 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1116 endif 1117endif 1118endif 1119 1120################################################################################ 1121# Build targets 1122################################################################################ 1123 1124.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1125.SUFFIXES: 1126 1127all: msg_start 1128 1129msg_start: 1130 @echo "Building ${PLAT}" 1131 1132ifeq (${ERROR_DEPRECATED},0) 1133# Check if deprecated declarations and cpp warnings should be treated as error or not. 1134ifneq ($(findstring clang,$(notdir $(CC))),) 1135 CPPFLAGS += -Wno-error=deprecated-declarations 1136else 1137 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1138endif 1139endif # !ERROR_DEPRECATED 1140 1141$(eval $(call MAKE_LIB_DIRS)) 1142$(eval $(call MAKE_LIB,c)) 1143 1144# Expand build macros for the different images 1145ifeq (${NEED_BL1},yes) 1146$(eval $(call MAKE_BL,1)) 1147endif 1148 1149ifeq (${NEED_BL2},yes) 1150ifeq (${BL2_AT_EL3}, 0) 1151FIP_BL2_ARGS := tb-fw 1152endif 1153 1154$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1155 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 1156endif 1157 1158ifeq (${NEED_SCP_BL2},yes) 1159$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1160endif 1161 1162ifeq (${NEED_BL31},yes) 1163BL31_SOURCES += ${SPD_SOURCES} 1164# Sort BL31 source files to remove duplicates 1165BL31_SOURCES := $(sort ${BL31_SOURCES}) 1166ifneq (${DECRYPTION_SUPPORT},none) 1167$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1168 $(eval $(call MAKE_BL,31,soc-fw,,$(ENCRYPT_BL31)))) 1169else 1170$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1171 $(eval $(call MAKE_BL,31,soc-fw))) 1172endif 1173endif 1174 1175# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1176# build system will call TOOL_ADD_IMG to print a warning message and abort the 1177# process. Note that the dependency on BL32 applies to the FIP only. 1178ifeq (${NEED_BL32},yes) 1179# Sort BL32 source files to remove duplicates 1180BL32_SOURCES := $(sort ${BL32_SOURCES}) 1181BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1182 1183ifneq (${DECRYPTION_SUPPORT},none) 1184$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw,,$(ENCRYPT_BL32))),\ 1185 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1186else 1187$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 1188 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1189endif 1190endif 1191 1192# Add the BL33 image if required by the platform 1193ifeq (${NEED_BL33},yes) 1194$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1195endif 1196 1197ifeq (${NEED_BL2U},yes) 1198$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1199 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 1200endif 1201 1202# Expand build macros for the different images 1203ifeq (${NEED_FDT},yes) 1204 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1205endif 1206 1207# Add Secure Partition packages 1208ifeq (${NEED_SP_PKG},yes) 1209$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1210 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} 1211sp: $(SPTOOL) $(DTBS) $(BUILD_PLAT)/sp_gen.mk 1212 ${Q}$(SPTOOL) $(SPTOOL_ARGS) 1213 @${ECHO_BLANK_LINE} 1214 @echo "Built SP Images successfully" 1215 @${ECHO_BLANK_LINE} 1216endif 1217 1218locate-checkpatch: 1219ifndef CHECKPATCH 1220 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1221else 1222ifeq (,$(wildcard ${CHECKPATCH})) 1223 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1224endif 1225endif 1226 1227clean: 1228 @echo " CLEAN" 1229 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1230ifdef UNIX_MK 1231 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1232else 1233# Clear the MAKEFLAGS as we do not want 1234# to pass the gnumake flags to nmake. 1235 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean 1236endif 1237 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1238 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1239 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1240 1241realclean distclean: 1242 @echo " REALCLEAN" 1243 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1244 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1245ifdef UNIX_MK 1246 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1247else 1248# Clear the MAKEFLAGS as we do not want 1249# to pass the gnumake flags to nmake. 1250 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean 1251endif 1252 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 1253 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1254 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1255 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1256 1257checkcodebase: locate-checkpatch 1258 @echo " CHECKING STYLE" 1259 @if test -d .git ; then \ 1260 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1261 while read GIT_FILE ; \ 1262 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1263 done ; \ 1264 else \ 1265 find . -type f -not -iwholename "*.git*" \ 1266 -not -iwholename "*build*" \ 1267 -not -iwholename "*libfdt*" \ 1268 -not -iwholename "*libc*" \ 1269 -not -iwholename "*docs*" \ 1270 -not -iwholename "*.rst" \ 1271 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1272 fi 1273 1274checkpatch: locate-checkpatch 1275 @echo " CHECKING STYLE" 1276 @if test -n "${CHECKPATCH_OPTS}"; then \ 1277 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1278 fi 1279 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1280 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 1281 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1282 git log --format=email "$$commit~..$$commit" \ 1283 -- ${CHECK_PATHS} | \ 1284 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1285 git diff --format=email "$$commit~..$$commit" \ 1286 -- ${CHECK_PATHS} | \ 1287 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1288 done 1289 1290certtool: ${CRTTOOL} 1291 1292${CRTTOOL}: FORCE 1293 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH} 1294 @${ECHO_BLANK_LINE} 1295 @echo "Built $@ successfully" 1296 @${ECHO_BLANK_LINE} 1297 1298ifneq (${GENERATE_COT},0) 1299certificates: ${CRT_DEPS} ${CRTTOOL} 1300 ${Q}${CRTTOOL} ${CRT_ARGS} 1301 @${ECHO_BLANK_LINE} 1302 @echo "Built $@ successfully" 1303 @echo "Certificates can be found in ${BUILD_PLAT}" 1304 @${ECHO_BLANK_LINE} 1305endif 1306 1307${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1308 $(eval ${CHECK_FIP_CMD}) 1309 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1310 ${Q}${FIPTOOL} info $@ 1311 @${ECHO_BLANK_LINE} 1312 @echo "Built $@ successfully" 1313 @${ECHO_BLANK_LINE} 1314 1315ifneq (${GENERATE_COT},0) 1316fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1317 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1318 @${ECHO_BLANK_LINE} 1319 @echo "Built $@ successfully" 1320 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1321 @${ECHO_BLANK_LINE} 1322endif 1323 1324${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1325 $(eval ${CHECK_FWU_FIP_CMD}) 1326 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1327 ${Q}${FIPTOOL} info $@ 1328 @${ECHO_BLANK_LINE} 1329 @echo "Built $@ successfully" 1330 @${ECHO_BLANK_LINE} 1331 1332fiptool: ${FIPTOOL} 1333fip: ${BUILD_PLAT}/${FIP_NAME} 1334fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1335 1336${FIPTOOL}: FORCE 1337ifdef UNIX_MK 1338 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} --no-print-directory -C ${FIPTOOLPATH} 1339else 1340# Clear the MAKEFLAGS as we do not want 1341# to pass the gnumake flags to nmake. 1342 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) 1343endif 1344 1345sptool: ${SPTOOL} 1346${SPTOOL}: FORCE 1347 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" SPTOOL=${SPTOOL} --no-print-directory -C ${SPTOOLPATH} 1348 1349romlib.bin: libraries FORCE 1350 ${Q}${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 1351 1352# Call print_memory_map tool 1353memmap: all 1354 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1355 1356doc: 1357 @echo " BUILD DOCUMENTATION" 1358 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1359 1360enctool: ${ENCTOOL} 1361 1362${ENCTOOL}: FORCE 1363 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH} 1364 @${ECHO_BLANK_LINE} 1365 @echo "Built $@ successfully" 1366 @${ECHO_BLANK_LINE} 1367 1368cscope: 1369 @echo " CSCOPE" 1370 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1371 ${Q}cscope -b -q -k 1372 1373help: 1374 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1375 @echo "" 1376 @echo "PLAT is used to specify which platform you wish to build." 1377 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1378 @echo "" 1379 @echo "platform = ${PLATFORM_LIST}" 1380 @echo "" 1381 @echo "Please refer to the User Guide for a list of all supported options." 1382 @echo "Note that the build system doesn't track dependencies for build " 1383 @echo "options. Therefore, if any of the build options are changed " 1384 @echo "from a previous build, a clean build must be performed." 1385 @echo "" 1386 @echo "Supported Targets:" 1387 @echo " all Build all individual bootloader binaries" 1388 @echo " bl1 Build the BL1 binary" 1389 @echo " bl2 Build the BL2 binary" 1390 @echo " bl2u Build the BL2U binary" 1391 @echo " bl31 Build the BL31 binary" 1392 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1393 @echo " this builds secure payload specified by AARCH32_SP" 1394 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1395 @echo " fip Build the Firmware Image Package (FIP)" 1396 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1397 @echo " checkcodebase Check the coding style of the entire source tree" 1398 @echo " checkpatch Check the coding style on changes in the current" 1399 @echo " branch against BASE_COMMIT (default origin/master)" 1400 @echo " clean Clean the build for the selected platform" 1401 @echo " cscope Generate cscope index" 1402 @echo " distclean Remove all build artifacts for all platforms" 1403 @echo " certtool Build the Certificate generation tool" 1404 @echo " enctool Build the Firmware encryption tool" 1405 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1406 @echo " sp Build the Secure Partition Packages" 1407 @echo " sptool Build the Secure Partition Package creation tool" 1408 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1409 @echo " memmap Print the memory map of the built binaries" 1410 @echo " doc Build html based documentation using Sphinx tool" 1411 @echo "" 1412 @echo "Note: most build targets require PLAT to be set to a specific platform." 1413 @echo "" 1414 @echo "example: build all targets for the FVP platform:" 1415 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1416 1417.PHONY: FORCE 1418FORCE:; 1419