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 ${BRANCH_PROTECTION}) 130endif 131 132# FEAT_RME 133ifeq (${ENABLE_RME},1) 134# RME doesn't support PIE 135ifneq (${ENABLE_PIE},0) 136 $(error ENABLE_RME does not support PIE) 137endif 138# RME requires AARCH64 139ifneq (${ARCH},aarch64) 140 $(error ENABLE_RME requires AArch64) 141endif 142# RME requires el2 context to be saved for now. 143CTX_INCLUDE_EL2_REGS := 1 144CTX_INCLUDE_AARCH32_REGS := 0 145ARM_ARCH_MAJOR := 8 146ARM_ARCH_MINOR := 6 147endif 148 149# USE_SPINLOCK_CAS requires AArch64 build 150ifeq (${USE_SPINLOCK_CAS},1) 151ifneq (${ARCH},aarch64) 152 $(error USE_SPINLOCK_CAS requires AArch64) 153endif 154endif 155 156# USE_DEBUGFS experimental feature recommended only in debug builds 157ifeq (${USE_DEBUGFS},1) 158ifeq (${DEBUG},1) 159 $(warning DEBUGFS experimental feature is enabled.) 160else 161 $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY) 162endif 163endif 164 165ifneq (${DECRYPTION_SUPPORT},none) 166ENC_ARGS += -f ${FW_ENC_STATUS} 167ENC_ARGS += -k ${ENC_KEY} 168ENC_ARGS += -n ${ENC_NONCE} 169FIP_DEPS += enctool 170FWU_FIP_DEPS += enctool 171endif 172 173################################################################################ 174# Toolchain 175################################################################################ 176 177HOSTCC := gcc 178export HOSTCC 179 180CC := ${CROSS_COMPILE}gcc 181CPP := ${CROSS_COMPILE}cpp 182AS := ${CROSS_COMPILE}gcc 183AR := ${CROSS_COMPILE}ar 184LINKER := ${CROSS_COMPILE}ld 185OC := ${CROSS_COMPILE}objcopy 186OD := ${CROSS_COMPILE}objdump 187NM := ${CROSS_COMPILE}nm 188PP := ${CROSS_COMPILE}gcc -E 189DTC := dtc 190 191# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 192ifneq ($(strip $(wildcard ${LD}.bfd) \ 193 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 194LINKER := ${LINKER}.bfd 195endif 196 197ifeq (${ARM_ARCH_MAJOR},7) 198target32-directive = -target arm-none-eabi 199# Will set march32-directive from platform configuration 200else 201target32-directive = -target armv8a-none-eabi 202 203# Set the compiler's target architecture profile based on 204# ARM_ARCH_MAJOR ARM_ARCH_MINOR options 205ifeq (${ARM_ARCH_MINOR},0) 206march32-directive = -march=armv${ARM_ARCH_MAJOR}-a 207march64-directive = -march=armv${ARM_ARCH_MAJOR}-a 208else 209march32-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 210march64-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 211endif 212endif 213 214# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards 215ifeq ($(ARCH), aarch64) 216# Check if revision is greater than or equal to 8.5 217ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 218mem_tag_arch_support = yes 219endif 220endif 221 222# Get architecture feature modifiers 223arch-features = ${ARM_ARCH_FEATURE} 224 225# Enable required options for memory stack tagging. 226# Currently, these options are enabled only for clang and armclang compiler. 227ifeq (${SUPPORT_STACK_MEMTAG},yes) 228ifdef mem_tag_arch_support 229# Check for armclang and clang compilers 230ifneq ( ,$(filter $(notdir $(CC)),armclang clang)) 231# Add "memtag" architecture feature modifier if not specified 232ifeq ( ,$(findstring memtag,$(arch-features))) 233arch-features := $(arch-features)+memtag 234endif # memtag 235ifeq ($(notdir $(CC)),armclang) 236TF_CFLAGS += -mmemtag-stack 237else ifeq ($(notdir $(CC)),clang) 238TF_CFLAGS += -fsanitize=memtag 239endif # armclang 240endif # armclang clang 241else 242$(error "Error: stack memory tagging is not supported for architecture \ 243 ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a") 244endif # mem_tag_arch_support 245endif # SUPPORT_STACK_MEMTAG 246 247# Set the compiler's architecture feature modifiers 248ifneq ($(arch-features), none) 249# Strip "none+" from arch-features 250arch-features := $(subst none+,,$(arch-features)) 251ifeq ($(ARCH), aarch32) 252march32-directive := $(march32-directive)+$(arch-features) 253else 254march64-directive := $(march64-directive)+$(arch-features) 255endif 256# Print features 257$(info Arm Architecture Features specified: $(subst +, ,$(arch-features))) 258endif # arch-features 259 260# Determine if FEAT_RNG is supported 261ENABLE_FEAT_RNG = $(if $(findstring rng,${arch-features}),1,0) 262 263# Determine if FEAT_SB is supported 264ENABLE_FEAT_SB = $(if $(findstring sb,${arch-features}),1,0) 265 266ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 267ENABLE_FEAT_SB = 1 268endif 269 270ifneq ($(findstring armclang,$(notdir $(CC))),) 271TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 272TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 273LD = $(LINKER) 274AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 275CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 276PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 277else ifneq ($(findstring clang,$(notdir $(CC))),) 278CLANG_CCDIR = $(if $(filter-out ./,$(dir $(CC))),$(dir $(CC)),) 279TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 280TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 281LD = $(CLANG_CCDIR)ld.lld 282ifeq (, $(shell which $(LD))) 283$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker") 284endif 285AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 286CPP = $(CC) -E 287PP = $(CC) -E 288else ifneq ($(findstring gcc,$(notdir $(CC))),) 289TF_CFLAGS_aarch32 = $(march32-directive) 290TF_CFLAGS_aarch64 = $(march64-directive) 291ifeq ($(ENABLE_LTO),1) 292 # Enable LTO only for aarch64 293 ifeq (${ARCH},aarch64) 294 LTO_CFLAGS = -flto 295 # Use gcc as a wrapper for the ld, recommended for LTO 296 LINKER := ${CROSS_COMPILE}gcc 297 endif 298endif 299LD = $(LINKER) 300else 301TF_CFLAGS_aarch32 = $(march32-directive) 302TF_CFLAGS_aarch64 = $(march64-directive) 303LD = $(LINKER) 304endif 305 306# Process Debug flag 307$(eval $(call add_define,DEBUG)) 308ifneq (${DEBUG}, 0) 309 BUILD_TYPE := debug 310 TF_CFLAGS += -g 311 312 ifneq ($(findstring clang,$(notdir $(CC))),) 313 ASFLAGS += -g 314 else 315 ASFLAGS += -g -Wa,--gdwarf-2 316 endif 317 318 # Use LOG_LEVEL_INFO by default for debug builds 319 LOG_LEVEL := 40 320else 321 BUILD_TYPE := release 322 # Use LOG_LEVEL_NOTICE by default for release builds 323 LOG_LEVEL := 20 324endif 325 326# Default build string (git branch and commit) 327ifeq (${BUILD_STRING},) 328 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 329endif 330VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 331 332ifeq (${AARCH32_INSTRUCTION_SET},A32) 333TF_CFLAGS_aarch32 += -marm 334else ifeq (${AARCH32_INSTRUCTION_SET},T32) 335TF_CFLAGS_aarch32 += -mthumb 336else 337$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 338endif 339 340TF_CFLAGS_aarch32 += -mno-unaligned-access 341TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 342 343ifneq (${BP_OPTION},none) 344TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 345endif 346 347ASFLAGS_aarch32 = $(march32-directive) 348ASFLAGS_aarch64 = $(march64-directive) 349 350# General warnings 351WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 352 -Wdisabled-optimization -Wvla -Wshadow \ 353 -Wno-unused-parameter -Wredundant-decls 354 355# Additional warnings 356# Level 1 357WARNING1 := -Wextra 358WARNING1 += -Wmissing-format-attribute 359WARNING1 += -Wmissing-prototypes 360WARNING1 += -Wold-style-definition 361 362# Level 2 363WARNING2 := -Waggregate-return 364WARNING2 += -Wcast-align 365WARNING2 += -Wnested-externs 366 367WARNING3 := -Wbad-function-cast 368WARNING3 += -Wcast-qual 369WARNING3 += -Wconversion 370WARNING3 += -Wpacked 371WARNING3 += -Wpointer-arith 372WARNING3 += -Wswitch-default 373 374ifeq (${W},1) 375WARNINGS += $(WARNING1) 376else ifeq (${W},2) 377WARNINGS += $(WARNING1) $(WARNING2) 378else ifeq (${W},3) 379WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 380endif 381 382# Compiler specific warnings 383ifeq ($(findstring clang,$(notdir $(CC))),) 384# not using clang 385WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 386 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 387 -Wlogical-op 388else 389# using clang 390WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 391 -Wlogical-op-parentheses 392endif 393 394ifneq (${E},0) 395ERRORS := -Werror 396endif 397 398CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 399 $(ERRORS) $(WARNINGS) 400ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 401 -ffreestanding -Wa,--fatal-warnings 402TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 403 -ffunction-sections -fdata-sections \ 404 -ffreestanding -fno-builtin -fno-common \ 405 -Os -std=gnu99 406 407ifeq (${SANITIZE_UB},on) 408TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 409endif 410ifeq (${SANITIZE_UB},trap) 411TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 412 -fsanitize-undefined-trap-on-error 413endif 414 415GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 416 417# LD = armlink 418ifneq ($(findstring armlink,$(notdir $(LD))),) 419TF_LDFLAGS += --diag_error=warning --lto_level=O1 420TF_LDFLAGS += --remove --info=unused,unusedsymbols 421TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 422 423# LD = gcc (used when GCC LTO is enabled) 424else ifneq ($(findstring gcc,$(notdir $(LD))),) 425# Pass ld options with Wl or Xlinker switches 426TF_LDFLAGS += -Wl,--fatal-warnings -O1 427TF_LDFLAGS += -Wl,--gc-sections 428ifeq ($(ENABLE_LTO),1) 429 ifeq (${ARCH},aarch64) 430 TF_LDFLAGS += -flto -fuse-linker-plugin 431 endif 432endif 433# GCC automatically adds fix-cortex-a53-843419 flag when used to link 434# which breaks some builds, so disable if errata fix is not explicitly enabled 435ifneq (${ERRATA_A53_843419},1) 436 TF_LDFLAGS += -mno-fix-cortex-a53-843419 437endif 438TF_LDFLAGS += -nostdlib 439TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 440 441# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 442else 443TF_LDFLAGS += --fatal-warnings -O1 444TF_LDFLAGS += --gc-sections 445# ld.lld doesn't recognize the errata flags, 446# therefore don't add those in that case 447ifeq ($(findstring ld.lld,$(notdir $(LD))),) 448TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 449endif 450endif 451 452DTC_FLAGS += -I dts -O dtb 453DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \ 454 -x assembler-with-cpp $(DEFINES) 455 456ifeq ($(MEASURED_BOOT),1) 457DTC_CPPFLAGS += -DMEASURED_BOOT -DBL2_HASH_SIZE=${TCG_DIGEST_SIZE} 458endif 459 460################################################################################ 461# Common sources and include directories 462################################################################################ 463include lib/compiler-rt/compiler-rt.mk 464 465BL_COMMON_SOURCES += common/bl_common.c \ 466 common/tf_log.c \ 467 common/${ARCH}/debug.S \ 468 drivers/console/multi_console.c \ 469 lib/${ARCH}/cache_helpers.S \ 470 lib/${ARCH}/misc_helpers.S \ 471 plat/common/plat_bl_common.c \ 472 plat/common/plat_log_common.c \ 473 plat/common/${ARCH}/plat_common.c \ 474 plat/common/${ARCH}/platform_helpers.S \ 475 ${COMPILER_RT_SRCS} 476 477ifeq ($(notdir $(CC)),armclang) 478BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 479endif 480 481ifeq (${SANITIZE_UB},on) 482BL_COMMON_SOURCES += plat/common/ubsan.c 483endif 484 485INCLUDES += -Iinclude \ 486 -Iinclude/arch/${ARCH} \ 487 -Iinclude/lib/cpus/${ARCH} \ 488 -Iinclude/lib/el3_runtime/${ARCH} \ 489 ${PLAT_INCLUDES} \ 490 ${SPD_INCLUDES} 491 492include common/backtrace/backtrace.mk 493 494################################################################################ 495# Generic definitions 496################################################################################ 497 498include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 499 500ifeq (${BUILD_BASE},) 501 BUILD_BASE := ./build 502endif 503BUILD_PLAT := $(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE} 504 505SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 506 507# Platforms providing their own TBB makefile may override this value 508INCLUDE_TBBR_MK := 1 509 510 511################################################################################ 512# Include SPD Makefile if one has been specified 513################################################################################ 514 515ifneq (${SPD},none) 516 ifeq (${ARCH},aarch32) 517 $(error "Error: SPD is incompatible with AArch32.") 518 endif 519 520 ifdef EL3_PAYLOAD_BASE 521 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 522 $(warning "The SPD and its BL32 companion will be present but ignored.") 523 endif 524 525 ifeq (${SPD},spmd) 526 # SPMD is located in std_svc directory 527 SPD_DIR := std_svc 528 529 ifeq ($(SPMD_SPM_AT_SEL2),1) 530 ifeq ($(CTX_INCLUDE_EL2_REGS),0) 531 $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option) 532 endif 533 endif 534 535 ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp) 536 DTC_CPPFLAGS += -DOPTEE_SP_FW_CONFIG 537 endif 538 539 ifeq ($(TS_SP_FW_CONFIG),1) 540 DTC_CPPFLAGS += -DTS_SP_FW_CONFIG 541 endif 542 543 ifneq ($(ARM_BL2_SP_LIST_DTS),) 544 DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS) 545 endif 546 547 ifneq ($(SP_LAYOUT_FILE),) 548 BL2_ENABLE_SP_LOAD := 1 549 endif 550 else 551 # All other SPDs in spd directory 552 SPD_DIR := spd 553 endif 554 555 # We expect to locate an spd.mk under the specified SPD directory 556 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 557 558 ifeq (${SPD_MAKE},) 559 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 560 endif 561 $(info Including ${SPD_MAKE}) 562 include ${SPD_MAKE} 563 564 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 565 # Makefile would set NEED_BL32 to "yes". In this case, the build system 566 # supports two mutually exclusive options: 567 # * BL32 is built from source: then BL32_SOURCES must contain the list 568 # of source files to build BL32 569 # * BL32 is a prebuilt binary: then BL32 must point to the image file 570 # that will be included in the FIP 571 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 572 # over the sources. 573endif 574 575################################################################################ 576# Include rmmd Makefile if RME is enabled 577################################################################################ 578 579ifneq (${ENABLE_RME},0) 580ifneq (${ARCH},aarch64) 581 $(error ENABLE_RME requires AArch64) 582endif 583include services/std_svc/rmmd/rmmd.mk 584$(warning "RME is an experimental feature") 585endif 586 587################################################################################ 588# Include the platform specific Makefile after the SPD Makefile (the platform 589# makefile may use all previous definitions in this file) 590################################################################################ 591 592include ${PLAT_MAKEFILE_FULL} 593 594$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 595 596ifeq (${ARM_ARCH_MAJOR},7) 597include make_helpers/armv7-a-cpus.mk 598endif 599 600PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 601ifneq ($(PIE_FOUND),) 602 TF_CFLAGS += -fno-PIE 603endif 604 605ifneq ($(findstring gcc,$(notdir $(LD))),) 606 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 607else 608 PIE_LDFLAGS += -pie --no-dynamic-linker 609endif 610 611ifeq ($(ENABLE_PIE),1) 612ifeq ($(BL2_AT_EL3),1) 613ifneq ($(BL2_IN_XIP_MEM),1) 614 BL2_CFLAGS += -fpie 615 BL2_LDFLAGS += $(PIE_LDFLAGS) 616endif 617endif 618 BL31_CFLAGS += -fpie 619 BL31_LDFLAGS += $(PIE_LDFLAGS) 620 BL32_CFLAGS += -fpie 621 BL32_LDFLAGS += $(PIE_LDFLAGS) 622endif 623 624ifeq (${ARCH},aarch64) 625BL1_CPPFLAGS += -DIMAGE_AT_EL3 626ifeq ($(BL2_AT_EL3),1) 627BL2_CPPFLAGS += -DIMAGE_AT_EL3 628else 629BL2_CPPFLAGS += -DIMAGE_AT_EL1 630endif 631BL2U_CPPFLAGS += -DIMAGE_AT_EL1 632BL31_CPPFLAGS += -DIMAGE_AT_EL3 633BL32_CPPFLAGS += -DIMAGE_AT_EL1 634endif 635 636# Include the CPU specific operations makefile, which provides default 637# values for all CPU errata workarounds and CPU specific optimisations. 638# This can be overridden by the platform. 639include lib/cpus/cpu-ops.mk 640 641ifeq (${ARCH},aarch32) 642NEED_BL32 := yes 643 644################################################################################ 645# Build `AARCH32_SP` as BL32 image for AArch32 646################################################################################ 647ifneq (${AARCH32_SP},none) 648# We expect to locate an sp.mk under the specified AARCH32_SP directory 649AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 650 651ifeq (${AARCH32_SP_MAKE},) 652 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 653endif 654 655$(info Including ${AARCH32_SP_MAKE}) 656include ${AARCH32_SP_MAKE} 657endif 658 659endif 660 661################################################################################ 662# Include libc if not overridden 663################################################################################ 664ifeq (${OVERRIDE_LIBC},0) 665include lib/libc/libc.mk 666endif 667 668################################################################################ 669# Check incompatible options 670################################################################################ 671 672ifdef EL3_PAYLOAD_BASE 673 ifdef PRELOADED_BL33_BASE 674 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 675 incompatible build options. EL3_PAYLOAD_BASE has priority.") 676 endif 677 ifneq (${GENERATE_COT},0) 678 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 679 endif 680 ifneq (${TRUSTED_BOARD_BOOT},0) 681 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 682 endif 683endif 684 685ifeq (${NEED_BL33},yes) 686 ifdef EL3_PAYLOAD_BASE 687 $(warning "BL33 image is not needed when option \ 688 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 689 endif 690 ifdef PRELOADED_BL33_BASE 691 $(warning "BL33 image is not needed when option \ 692 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 693 file.") 694 endif 695endif 696 697# When building for systems with hardware-assisted coherency, there's no need to 698# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 699ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 700$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 701endif 702 703#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 704ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 705$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 706endif 707 708# For RAS_EXTENSION, require that EAs are handled in EL3 first 709ifeq ($(RAS_EXTENSION),1) 710 ifneq ($(HANDLE_EA_EL3_FIRST),1) 711 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 712 endif 713endif 714 715# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 716ifeq ($(FAULT_INJECTION_SUPPORT),1) 717 ifneq ($(RAS_EXTENSION),1) 718 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 719 endif 720endif 721 722# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 723ifeq ($(DYN_DISABLE_AUTH), 1) 724 ifeq (${TRUSTED_BOARD_BOOT}, 0) 725 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 726 endif 727endif 728 729# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 730ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 731$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled") 732endif 733 734# If pointer authentication is used in the firmware, make sure that all the 735# registers associated to it are also saved and restored. 736# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 737ifeq ($(ENABLE_PAUTH),1) 738 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 739 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 740 endif 741endif 742 743ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 744 ifneq (${ARCH},aarch64) 745 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 746 endif 747endif 748 749ifeq ($(CTX_INCLUDE_MTE_REGS),1) 750 ifneq (${ARCH},aarch64) 751 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 752 endif 753endif 754 755# Trusted Boot is a prerequisite for Measured Boot. It provides trust that the 756# code taking the measurements and recording them has not been tampered 757# with. This is referred to as the Root of Trust for Measurement. 758ifeq ($(MEASURED_BOOT),1) 759 ifneq (${TRUSTED_BOARD_BOOT},1) 760 $(error MEASURED_BOOT requires TRUSTED_BOARD_BOOT=1) 761 endif 762endif 763 764ifeq ($(PSA_FWU_SUPPORT),1) 765 $(info PSA_FWU_SUPPORT is an experimental feature) 766endif 767 768ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 769 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 770 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 771 endif 772endif 773 774ifneq (${DECRYPTION_SUPPORT},none) 775 ifeq (${TRUSTED_BOARD_BOOT}, 0) 776 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 777 endif 778endif 779 780################################################################################ 781# Process platform overrideable behaviour 782################################################################################ 783 784ifdef BL1_SOURCES 785NEED_BL1 := yes 786endif 787 788ifdef BL2_SOURCES 789 NEED_BL2 := yes 790 791 # Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 792 # Certificate generation tools. This flag can be overridden by the platform. 793 ifdef EL3_PAYLOAD_BASE 794 # If booting an EL3 payload there is no need for a BL33 image 795 # in the FIP file. 796 NEED_BL33 := no 797 else 798 ifdef PRELOADED_BL33_BASE 799 # If booting a BL33 preloaded image there is no need of 800 # another one in the FIP file. 801 NEED_BL33 := no 802 else 803 NEED_BL33 ?= yes 804 endif 805 endif 806endif 807 808ifdef BL2U_SOURCES 809NEED_BL2U := yes 810endif 811 812# If SCP_BL2 is given, we always want FIP to include it. 813ifdef SCP_BL2 814 NEED_SCP_BL2 := yes 815endif 816 817# For AArch32, BL31 is not currently supported. 818ifneq (${ARCH},aarch32) 819 ifdef BL31_SOURCES 820 # When booting an EL3 payload, there is no need to compile the BL31 image nor 821 # put it in the FIP. 822 ifndef EL3_PAYLOAD_BASE 823 NEED_BL31 := yes 824 endif 825 endif 826endif 827 828# Process TBB related flags 829ifneq (${GENERATE_COT},0) 830 # Common cert_create options 831 ifneq (${CREATE_KEYS},0) 832 $(eval CRT_ARGS += -n) 833 $(eval FWU_CRT_ARGS += -n) 834 ifneq (${SAVE_KEYS},0) 835 $(eval CRT_ARGS += -k) 836 $(eval FWU_CRT_ARGS += -k) 837 endif 838 endif 839 # Include TBBR makefile (unless the platform indicates otherwise) 840 ifeq (${INCLUDE_TBBR_MK},1) 841 include make_helpers/tbbr/tbbr_tools.mk 842 endif 843endif 844 845ifneq (${FIP_ALIGN},0) 846FIP_ARGS += --align ${FIP_ALIGN} 847endif 848 849ifdef FDT_SOURCES 850NEED_FDT := yes 851endif 852 853################################################################################ 854# Include libraries' Makefile that are used in all BL 855################################################################################ 856 857include lib/stack_protector/stack_protector.mk 858 859################################################################################ 860# Auxiliary tools (fiptool, cert_create, etc) 861################################################################################ 862 863# Variables for use with Certificate Generation Tool 864CRTTOOLPATH ?= tools/cert_create 865CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 866 867# Variables for use with Firmware Encryption Tool 868ENCTOOLPATH ?= tools/encrypt_fw 869ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 870 871# Variables for use with Firmware Image Package 872FIPTOOLPATH ?= tools/fiptool 873FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 874 875# Variables for use with sptool 876SPTOOLPATH ?= tools/sptool 877SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 878SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 879 880# Variables for use with ROMLIB 881ROMLIBPATH ?= lib/romlib 882 883# Variable for use with Python 884PYTHON ?= python3 885 886# Variables for use with PRINT_MEMORY_MAP 887PRINT_MEMORY_MAP_PATH ?= tools/memory 888PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 889 890# Variables for use with documentation build using Sphinx tool 891DOCS_PATH ?= docs 892 893################################################################################ 894# Include BL specific makefiles 895################################################################################ 896 897ifeq (${NEED_BL1},yes) 898include bl1/bl1.mk 899endif 900 901ifeq (${NEED_BL2},yes) 902include bl2/bl2.mk 903endif 904 905ifeq (${NEED_BL2U},yes) 906include bl2u/bl2u.mk 907endif 908 909ifeq (${NEED_BL31},yes) 910include bl31/bl31.mk 911endif 912 913################################################################################ 914# Build options checks 915################################################################################ 916 917$(eval $(call assert_booleans,\ 918 $(sort \ 919 ALLOW_RO_XLAT_TABLES \ 920 BL2_ENABLE_SP_LOAD \ 921 COLD_BOOT_SINGLE_CPU \ 922 CREATE_KEYS \ 923 CTX_INCLUDE_AARCH32_REGS \ 924 CTX_INCLUDE_FPREGS \ 925 CTX_INCLUDE_PAUTH_REGS \ 926 CTX_INCLUDE_MTE_REGS \ 927 CTX_INCLUDE_EL2_REGS \ 928 CTX_INCLUDE_NEVE_REGS \ 929 DEBUG \ 930 DISABLE_MTPMU \ 931 DYN_DISABLE_AUTH \ 932 EL3_EXCEPTION_HANDLING \ 933 ENABLE_AMU \ 934 ENABLE_AMU_AUXILIARY_COUNTERS \ 935 ENABLE_AMU_FCONF \ 936 AMU_RESTRICT_COUNTERS \ 937 ENABLE_ASSERTIONS \ 938 ENABLE_MPAM_FOR_LOWER_ELS \ 939 ENABLE_PIE \ 940 ENABLE_PMF \ 941 ENABLE_PSCI_STAT \ 942 ENABLE_RME \ 943 ENABLE_RUNTIME_INSTRUMENTATION \ 944 ENABLE_SPE_FOR_LOWER_ELS \ 945 ENABLE_SVE_FOR_NS \ 946 ENABLE_SVE_FOR_SWD \ 947 ERROR_DEPRECATED \ 948 FAULT_INJECTION_SUPPORT \ 949 GENERATE_COT \ 950 GICV2_G0_FOR_EL3 \ 951 HANDLE_EA_EL3_FIRST \ 952 HW_ASSISTED_COHERENCY \ 953 INVERTED_MEMMAP \ 954 MEASURED_BOOT \ 955 NS_TIMER_SWITCH \ 956 OVERRIDE_LIBC \ 957 PL011_GENERIC_UART \ 958 PROGRAMMABLE_RESET_ADDRESS \ 959 PSCI_EXTENDED_STATE_ID \ 960 RAS_EXTENSION \ 961 RESET_TO_BL31 \ 962 SAVE_KEYS \ 963 SEPARATE_CODE_AND_RODATA \ 964 SEPARATE_NOBITS_REGION \ 965 SPIN_ON_BL1_EXIT \ 966 SPM_MM \ 967 SPMD_SPM_AT_SEL2 \ 968 TRUSTED_BOARD_BOOT \ 969 USE_COHERENT_MEM \ 970 USE_DEBUGFS \ 971 ARM_IO_IN_DTB \ 972 SDEI_IN_FCONF \ 973 SEC_INT_DESC_IN_FCONF \ 974 USE_ROMLIB \ 975 USE_TBBR_DEFS \ 976 WARMBOOT_ENABLE_DCACHE_EARLY \ 977 BL2_AT_EL3 \ 978 BL2_IN_XIP_MEM \ 979 BL2_INV_DCACHE \ 980 USE_SPINLOCK_CAS \ 981 ENCRYPT_BL31 \ 982 ENCRYPT_BL32 \ 983 ERRATA_SPECULATIVE_AT \ 984 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 985 COT_DESC_IN_DTB \ 986 USE_SP804_TIMER \ 987 ENABLE_FEAT_RNG \ 988 ENABLE_FEAT_SB \ 989 PSA_FWU_SUPPORT \ 990 ENABLE_TRBE_FOR_NS \ 991 ENABLE_SYS_REG_TRACE_FOR_NS \ 992 ENABLE_TRF_FOR_NS \ 993 ENABLE_FEAT_HCX \ 994 ENABLE_MPMM \ 995 ENABLE_MPMM_FCONF \ 996))) 997 998$(eval $(call assert_numerics,\ 999 $(sort \ 1000 ARM_ARCH_MAJOR \ 1001 ARM_ARCH_MINOR \ 1002 BRANCH_PROTECTION \ 1003 FW_ENC_STATUS \ 1004 NR_OF_FW_BANKS \ 1005 NR_OF_IMAGES_IN_FW_BANK \ 1006))) 1007 1008ifdef KEY_SIZE 1009 $(eval $(call assert_numeric,KEY_SIZE)) 1010endif 1011 1012ifeq ($(filter $(SANITIZE_UB), on off trap),) 1013 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 1014endif 1015 1016################################################################################ 1017# Add definitions to the cpp preprocessor based on the current build options. 1018# This is done after including the platform specific makefile to allow the 1019# platform to overwrite the default options 1020################################################################################ 1021 1022$(eval $(call add_defines,\ 1023 $(sort \ 1024 ALLOW_RO_XLAT_TABLES \ 1025 ARM_ARCH_MAJOR \ 1026 ARM_ARCH_MINOR \ 1027 BL2_ENABLE_SP_LOAD \ 1028 COLD_BOOT_SINGLE_CPU \ 1029 CTX_INCLUDE_AARCH32_REGS \ 1030 CTX_INCLUDE_FPREGS \ 1031 CTX_INCLUDE_PAUTH_REGS \ 1032 EL3_EXCEPTION_HANDLING \ 1033 CTX_INCLUDE_MTE_REGS \ 1034 CTX_INCLUDE_EL2_REGS \ 1035 CTX_INCLUDE_NEVE_REGS \ 1036 DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \ 1037 DISABLE_MTPMU \ 1038 ENABLE_AMU \ 1039 ENABLE_AMU_AUXILIARY_COUNTERS \ 1040 ENABLE_AMU_FCONF \ 1041 AMU_RESTRICT_COUNTERS \ 1042 ENABLE_ASSERTIONS \ 1043 ENABLE_BTI \ 1044 ENABLE_MPAM_FOR_LOWER_ELS \ 1045 ENABLE_PAUTH \ 1046 ENABLE_PIE \ 1047 ENABLE_PMF \ 1048 ENABLE_PSCI_STAT \ 1049 ENABLE_RME \ 1050 ENABLE_RUNTIME_INSTRUMENTATION \ 1051 ENABLE_SPE_FOR_LOWER_ELS \ 1052 ENABLE_SVE_FOR_NS \ 1053 ENABLE_SVE_FOR_SWD \ 1054 ENCRYPT_BL31 \ 1055 ENCRYPT_BL32 \ 1056 ERROR_DEPRECATED \ 1057 FAULT_INJECTION_SUPPORT \ 1058 GICV2_G0_FOR_EL3 \ 1059 HANDLE_EA_EL3_FIRST \ 1060 HW_ASSISTED_COHERENCY \ 1061 LOG_LEVEL \ 1062 MEASURED_BOOT \ 1063 NS_TIMER_SWITCH \ 1064 PL011_GENERIC_UART \ 1065 PLAT_${PLAT} \ 1066 PROGRAMMABLE_RESET_ADDRESS \ 1067 PSCI_EXTENDED_STATE_ID \ 1068 RAS_EXTENSION \ 1069 RESET_TO_BL31 \ 1070 SEPARATE_CODE_AND_RODATA \ 1071 SEPARATE_NOBITS_REGION \ 1072 RECLAIM_INIT_CODE \ 1073 SPD_${SPD} \ 1074 SPIN_ON_BL1_EXIT \ 1075 SPM_MM \ 1076 SPMD_SPM_AT_SEL2 \ 1077 TRUSTED_BOARD_BOOT \ 1078 TRNG_SUPPORT \ 1079 USE_COHERENT_MEM \ 1080 USE_DEBUGFS \ 1081 ARM_IO_IN_DTB \ 1082 SDEI_IN_FCONF \ 1083 SEC_INT_DESC_IN_FCONF \ 1084 USE_ROMLIB \ 1085 USE_TBBR_DEFS \ 1086 WARMBOOT_ENABLE_DCACHE_EARLY \ 1087 BL2_AT_EL3 \ 1088 BL2_IN_XIP_MEM \ 1089 BL2_INV_DCACHE \ 1090 USE_SPINLOCK_CAS \ 1091 ERRATA_SPECULATIVE_AT \ 1092 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 1093 COT_DESC_IN_DTB \ 1094 USE_SP804_TIMER \ 1095 ENABLE_FEAT_RNG \ 1096 ENABLE_FEAT_SB \ 1097 NR_OF_FW_BANKS \ 1098 NR_OF_IMAGES_IN_FW_BANK \ 1099 PSA_FWU_SUPPORT \ 1100 ENABLE_TRBE_FOR_NS \ 1101 ENABLE_SYS_REG_TRACE_FOR_NS \ 1102 ENABLE_TRF_FOR_NS \ 1103 ENABLE_FEAT_HCX \ 1104 ENABLE_MPMM \ 1105 ENABLE_MPMM_FCONF \ 1106))) 1107 1108ifeq (${SANITIZE_UB},trap) 1109 $(eval $(call add_define,MONITOR_TRAPS)) 1110endif 1111 1112# Define the EL3_PAYLOAD_BASE flag only if it is provided. 1113ifdef EL3_PAYLOAD_BASE 1114 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 1115else 1116 # Define the PRELOADED_BL33_BASE flag only if it is provided and 1117 # EL3_PAYLOAD_BASE is not defined, as it has priority. 1118 ifdef PRELOADED_BL33_BASE 1119 $(eval $(call add_define,PRELOADED_BL33_BASE)) 1120 endif 1121endif 1122 1123# Define the DYN_DISABLE_AUTH flag only if set. 1124ifeq (${DYN_DISABLE_AUTH},1) 1125$(eval $(call add_define,DYN_DISABLE_AUTH)) 1126endif 1127 1128ifneq ($(findstring armlink,$(notdir $(LD))),) 1129$(eval $(call add_define,USE_ARM_LINK)) 1130endif 1131 1132# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1133ifeq (${SPD},spmd) 1134ifdef SP_LAYOUT_FILE 1135 -include $(BUILD_PLAT)/sp_gen.mk 1136 FIP_DEPS += sp 1137 CRT_DEPS += sp 1138 NEED_SP_PKG := yes 1139else 1140 ifeq (${SPMD_SPM_AT_SEL2},1) 1141 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1142 endif 1143endif 1144endif 1145 1146################################################################################ 1147# Build targets 1148################################################################################ 1149 1150.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1151.SUFFIXES: 1152 1153all: msg_start 1154 1155msg_start: 1156 @echo "Building ${PLAT}" 1157 1158ifeq (${ERROR_DEPRECATED},0) 1159# Check if deprecated declarations and cpp warnings should be treated as error or not. 1160ifneq ($(findstring clang,$(notdir $(CC))),) 1161 CPPFLAGS += -Wno-error=deprecated-declarations 1162else 1163 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1164endif 1165endif # !ERROR_DEPRECATED 1166 1167$(eval $(call MAKE_LIB_DIRS)) 1168$(eval $(call MAKE_LIB,c)) 1169 1170# Expand build macros for the different images 1171ifeq (${NEED_BL1},yes) 1172BL1_SOURCES := $(sort ${BL1_SOURCES}) 1173 1174$(eval $(call MAKE_BL,bl1)) 1175endif 1176 1177ifeq (${NEED_BL2},yes) 1178ifeq (${BL2_AT_EL3}, 0) 1179FIP_BL2_ARGS := tb-fw 1180endif 1181 1182BL2_SOURCES := $(sort ${BL2_SOURCES}) 1183 1184$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1185 $(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS}))) 1186endif 1187 1188ifeq (${NEED_SCP_BL2},yes) 1189$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1190endif 1191 1192ifeq (${NEED_BL31},yes) 1193BL31_SOURCES += ${SPD_SOURCES} 1194# Sort BL31 source files to remove duplicates 1195BL31_SOURCES := $(sort ${BL31_SOURCES}) 1196ifneq (${DECRYPTION_SUPPORT},none) 1197$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1198 $(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31)))) 1199else 1200$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1201 $(eval $(call MAKE_BL,bl31,soc-fw))) 1202endif 1203endif 1204 1205# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1206# build system will call TOOL_ADD_IMG to print a warning message and abort the 1207# process. Note that the dependency on BL32 applies to the FIP only. 1208ifeq (${NEED_BL32},yes) 1209# Sort BL32 source files to remove duplicates 1210BL32_SOURCES := $(sort ${BL32_SOURCES}) 1211BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1212 1213ifneq (${DECRYPTION_SUPPORT},none) 1214$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\ 1215 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1216else 1217$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\ 1218 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1219endif 1220endif 1221 1222# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP) 1223# needs to be built from RMM_SOURCES. 1224ifeq (${NEED_RMM},yes) 1225# Sort RMM source files to remove duplicates 1226RMM_SOURCES := $(sort ${RMM_SOURCES}) 1227BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1)) 1228 1229$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\ 1230 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw))) 1231endif 1232 1233# Add the BL33 image if required by the platform 1234ifeq (${NEED_BL33},yes) 1235$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1236endif 1237 1238ifeq (${NEED_BL2U},yes) 1239$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1240 $(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_))) 1241endif 1242 1243# Expand build macros for the different images 1244ifeq (${NEED_FDT},yes) 1245 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1246endif 1247 1248# Add Secure Partition packages 1249ifeq (${NEED_SP_PKG},yes) 1250$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1251 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} 1252sp: $(SPTOOL) $(DTBS) $(BUILD_PLAT)/sp_gen.mk 1253 ${Q}$(SPTOOL) $(SPTOOL_ARGS) 1254 @${ECHO_BLANK_LINE} 1255 @echo "Built SP Images successfully" 1256 @${ECHO_BLANK_LINE} 1257endif 1258 1259locate-checkpatch: 1260ifndef CHECKPATCH 1261 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1262else 1263ifeq (,$(wildcard ${CHECKPATCH})) 1264 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1265endif 1266endif 1267 1268clean: 1269 @echo " CLEAN" 1270 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1271ifdef UNIX_MK 1272 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1273else 1274# Clear the MAKEFLAGS as we do not want 1275# to pass the gnumake flags to nmake. 1276 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean 1277endif 1278 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1279 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1280 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1281 1282realclean distclean: 1283 @echo " REALCLEAN" 1284 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1285 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1286ifdef UNIX_MK 1287 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1288else 1289# Clear the MAKEFLAGS as we do not want 1290# to pass the gnumake flags to nmake. 1291 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean 1292endif 1293 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 1294 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1295 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1296 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1297 1298checkcodebase: locate-checkpatch 1299 @echo " CHECKING STYLE" 1300 @if test -d .git ; then \ 1301 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1302 while read GIT_FILE ; \ 1303 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1304 done ; \ 1305 else \ 1306 find . -type f -not -iwholename "*.git*" \ 1307 -not -iwholename "*build*" \ 1308 -not -iwholename "*libfdt*" \ 1309 -not -iwholename "*libc*" \ 1310 -not -iwholename "*docs*" \ 1311 -not -iwholename "*.rst" \ 1312 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1313 fi 1314 1315checkpatch: locate-checkpatch 1316 @echo " CHECKING STYLE" 1317 @if test -n "${CHECKPATCH_OPTS}"; then \ 1318 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1319 fi 1320 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1321 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 1322 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1323 git log --format=email "$$commit~..$$commit" \ 1324 -- ${CHECK_PATHS} | \ 1325 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1326 git diff --format=email "$$commit~..$$commit" \ 1327 -- ${CHECK_PATHS} | \ 1328 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1329 done 1330 1331certtool: ${CRTTOOL} 1332 1333${CRTTOOL}: FORCE 1334 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH} 1335 @${ECHO_BLANK_LINE} 1336 @echo "Built $@ successfully" 1337 @${ECHO_BLANK_LINE} 1338 1339ifneq (${GENERATE_COT},0) 1340certificates: ${CRT_DEPS} ${CRTTOOL} 1341 ${Q}${CRTTOOL} ${CRT_ARGS} 1342 @${ECHO_BLANK_LINE} 1343 @echo "Built $@ successfully" 1344 @echo "Certificates can be found in ${BUILD_PLAT}" 1345 @${ECHO_BLANK_LINE} 1346endif 1347 1348${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1349 $(eval ${CHECK_FIP_CMD}) 1350 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1351 ${Q}${FIPTOOL} info $@ 1352 @${ECHO_BLANK_LINE} 1353 @echo "Built $@ successfully" 1354 @${ECHO_BLANK_LINE} 1355 1356ifneq (${GENERATE_COT},0) 1357fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1358 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1359 @${ECHO_BLANK_LINE} 1360 @echo "Built $@ successfully" 1361 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1362 @${ECHO_BLANK_LINE} 1363endif 1364 1365${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1366 $(eval ${CHECK_FWU_FIP_CMD}) 1367 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1368 ${Q}${FIPTOOL} info $@ 1369 @${ECHO_BLANK_LINE} 1370 @echo "Built $@ successfully" 1371 @${ECHO_BLANK_LINE} 1372 1373fiptool: ${FIPTOOL} 1374fip: ${BUILD_PLAT}/${FIP_NAME} 1375fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1376 1377${FIPTOOL}: FORCE 1378ifdef UNIX_MK 1379 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} --no-print-directory -C ${FIPTOOLPATH} 1380else 1381# Clear the MAKEFLAGS as we do not want 1382# to pass the gnumake flags to nmake. 1383 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) 1384endif 1385 1386sptool: ${SPTOOL} 1387${SPTOOL}: FORCE 1388 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" SPTOOL=${SPTOOL} --no-print-directory -C ${SPTOOLPATH} 1389 1390romlib.bin: libraries FORCE 1391 ${Q}${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 1392 1393# Call print_memory_map tool 1394memmap: all 1395 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1396 1397doc: 1398 @echo " BUILD DOCUMENTATION" 1399 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1400 1401enctool: ${ENCTOOL} 1402 1403${ENCTOOL}: FORCE 1404 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH} 1405 @${ECHO_BLANK_LINE} 1406 @echo "Built $@ successfully" 1407 @${ECHO_BLANK_LINE} 1408 1409cscope: 1410 @echo " CSCOPE" 1411 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1412 ${Q}cscope -b -q -k 1413 1414help: 1415 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1416 @echo "" 1417 @echo "PLAT is used to specify which platform you wish to build." 1418 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1419 @echo "" 1420 @echo "platform = ${PLATFORM_LIST}" 1421 @echo "" 1422 @echo "Please refer to the User Guide for a list of all supported options." 1423 @echo "Note that the build system doesn't track dependencies for build " 1424 @echo "options. Therefore, if any of the build options are changed " 1425 @echo "from a previous build, a clean build must be performed." 1426 @echo "" 1427 @echo "Supported Targets:" 1428 @echo " all Build all individual bootloader binaries" 1429 @echo " bl1 Build the BL1 binary" 1430 @echo " bl2 Build the BL2 binary" 1431 @echo " bl2u Build the BL2U binary" 1432 @echo " bl31 Build the BL31 binary" 1433 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1434 @echo " this builds secure payload specified by AARCH32_SP" 1435 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1436 @echo " fip Build the Firmware Image Package (FIP)" 1437 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1438 @echo " checkcodebase Check the coding style of the entire source tree" 1439 @echo " checkpatch Check the coding style on changes in the current" 1440 @echo " branch against BASE_COMMIT (default origin/master)" 1441 @echo " clean Clean the build for the selected platform" 1442 @echo " cscope Generate cscope index" 1443 @echo " distclean Remove all build artifacts for all platforms" 1444 @echo " certtool Build the Certificate generation tool" 1445 @echo " enctool Build the Firmware encryption tool" 1446 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1447 @echo " sp Build the Secure Partition Packages" 1448 @echo " sptool Build the Secure Partition Package creation tool" 1449 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1450 @echo " memmap Print the memory map of the built binaries" 1451 @echo " doc Build html based documentation using Sphinx tool" 1452 @echo "" 1453 @echo "Note: most build targets require PLAT to be set to a specific platform." 1454 @echo "" 1455 @echo "example: build all targets for the FVP platform:" 1456 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1457 1458.PHONY: FORCE 1459FORCE:; 1460