1# 2# Copyright (c) 2013-2022, 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 := 6 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 266ifneq ($(findstring armclang,$(notdir $(CC))),) 267TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 268TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 269LD = $(LINKER) 270AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 271CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 272PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 273else ifneq ($(findstring clang,$(notdir $(CC))),) 274CLANG_CCDIR = $(if $(filter-out ./,$(dir $(CC))),$(dir $(CC)),) 275TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 276TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 277LD = $(CLANG_CCDIR)ld.lld 278ifeq (, $(shell which $(LD))) 279$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker") 280endif 281AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 282CPP = $(CC) -E 283PP = $(CC) -E 284else ifneq ($(findstring gcc,$(notdir $(CC))),) 285TF_CFLAGS_aarch32 = $(march32-directive) 286TF_CFLAGS_aarch64 = $(march64-directive) 287ifeq ($(ENABLE_LTO),1) 288 # Enable LTO only for aarch64 289 ifeq (${ARCH},aarch64) 290 LTO_CFLAGS = -flto 291 # Use gcc as a wrapper for the ld, recommended for LTO 292 LINKER := ${CROSS_COMPILE}gcc 293 endif 294endif 295LD = $(LINKER) 296else 297TF_CFLAGS_aarch32 = $(march32-directive) 298TF_CFLAGS_aarch64 = $(march64-directive) 299LD = $(LINKER) 300endif 301 302# Process Debug flag 303$(eval $(call add_define,DEBUG)) 304ifneq (${DEBUG}, 0) 305 BUILD_TYPE := debug 306 TF_CFLAGS += -g 307 308 ifneq ($(findstring clang,$(notdir $(CC))),) 309 ASFLAGS += -g 310 else 311 ASFLAGS += -g -Wa,--gdwarf-2 312 endif 313 314 # Use LOG_LEVEL_INFO by default for debug builds 315 LOG_LEVEL := 40 316else 317 BUILD_TYPE := release 318 # Use LOG_LEVEL_NOTICE by default for release builds 319 LOG_LEVEL := 20 320endif 321 322# Default build string (git branch and commit) 323ifeq (${BUILD_STRING},) 324 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 325endif 326VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 327 328ifeq (${AARCH32_INSTRUCTION_SET},A32) 329TF_CFLAGS_aarch32 += -marm 330else ifeq (${AARCH32_INSTRUCTION_SET},T32) 331TF_CFLAGS_aarch32 += -mthumb 332else 333$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 334endif 335 336TF_CFLAGS_aarch32 += -mno-unaligned-access 337TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 338 339ifneq (${BP_OPTION},none) 340TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 341endif 342 343ASFLAGS_aarch32 = $(march32-directive) 344ASFLAGS_aarch64 = $(march64-directive) 345 346# General warnings 347WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 348 -Wdisabled-optimization -Wvla -Wshadow \ 349 -Wno-unused-parameter -Wredundant-decls 350 351# Additional warnings 352# Level 1 353WARNING1 := -Wextra 354WARNING1 += -Wmissing-format-attribute 355WARNING1 += -Wmissing-prototypes 356WARNING1 += -Wold-style-definition 357 358# Level 2 359WARNING2 := -Waggregate-return 360WARNING2 += -Wcast-align 361WARNING2 += -Wnested-externs 362 363WARNING3 := -Wbad-function-cast 364WARNING3 += -Wcast-qual 365WARNING3 += -Wconversion 366WARNING3 += -Wpacked 367WARNING3 += -Wpointer-arith 368WARNING3 += -Wswitch-default 369 370ifeq (${W},1) 371WARNINGS += $(WARNING1) 372else ifeq (${W},2) 373WARNINGS += $(WARNING1) $(WARNING2) 374else ifeq (${W},3) 375WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 376endif 377 378# Compiler specific warnings 379ifeq ($(findstring clang,$(notdir $(CC))),) 380# not using clang 381WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 382 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 383 -Wlogical-op 384else 385# using clang 386WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 387 -Wlogical-op-parentheses 388endif 389 390ifneq (${E},0) 391ERRORS := -Werror 392endif 393 394CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 395 $(ERRORS) $(WARNINGS) 396ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 397 -ffreestanding -Wa,--fatal-warnings 398TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 399 -ffunction-sections -fdata-sections \ 400 -ffreestanding -fno-builtin -fno-common \ 401 -Os -std=gnu99 402 403ifeq (${SANITIZE_UB},on) 404TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 405endif 406ifeq (${SANITIZE_UB},trap) 407TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 408 -fsanitize-undefined-trap-on-error 409endif 410 411GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 412 413# LD = armlink 414ifneq ($(findstring armlink,$(notdir $(LD))),) 415TF_LDFLAGS += --diag_error=warning --lto_level=O1 416TF_LDFLAGS += --remove --info=unused,unusedsymbols 417TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 418 419# LD = gcc (used when GCC LTO is enabled) 420else ifneq ($(findstring gcc,$(notdir $(LD))),) 421# Pass ld options with Wl or Xlinker switches 422TF_LDFLAGS += -Wl,--fatal-warnings -O1 423TF_LDFLAGS += -Wl,--gc-sections 424ifeq ($(ENABLE_LTO),1) 425 ifeq (${ARCH},aarch64) 426 TF_LDFLAGS += -flto -fuse-linker-plugin 427 endif 428endif 429# GCC automatically adds fix-cortex-a53-843419 flag when used to link 430# which breaks some builds, so disable if errata fix is not explicitly enabled 431ifneq (${ERRATA_A53_843419},1) 432 TF_LDFLAGS += -mno-fix-cortex-a53-843419 433endif 434TF_LDFLAGS += -nostdlib 435TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 436 437# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 438else 439TF_LDFLAGS += --fatal-warnings -O1 440TF_LDFLAGS += --gc-sections 441# ld.lld doesn't recognize the errata flags, 442# therefore don't add those in that case 443ifeq ($(findstring ld.lld,$(notdir $(LD))),) 444TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 445endif 446endif 447 448DTC_FLAGS += -I dts -O dtb 449DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \ 450 -x assembler-with-cpp $(DEFINES) 451 452ifeq ($(MEASURED_BOOT),1) 453DTC_CPPFLAGS += -DMEASURED_BOOT -DBL2_HASH_SIZE=${TCG_DIGEST_SIZE} 454endif 455 456################################################################################ 457# Common sources and include directories 458################################################################################ 459include ${MAKE_HELPERS_DIRECTORY}arch_features.mk 460include lib/compiler-rt/compiler-rt.mk 461 462BL_COMMON_SOURCES += common/bl_common.c \ 463 common/tf_log.c \ 464 common/${ARCH}/debug.S \ 465 drivers/console/multi_console.c \ 466 lib/${ARCH}/cache_helpers.S \ 467 lib/${ARCH}/misc_helpers.S \ 468 plat/common/plat_bl_common.c \ 469 plat/common/plat_log_common.c \ 470 plat/common/${ARCH}/plat_common.c \ 471 plat/common/${ARCH}/platform_helpers.S \ 472 ${COMPILER_RT_SRCS} 473 474ifeq ($(notdir $(CC)),armclang) 475BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 476endif 477 478ifeq (${SANITIZE_UB},on) 479BL_COMMON_SOURCES += plat/common/ubsan.c 480endif 481 482INCLUDES += -Iinclude \ 483 -Iinclude/arch/${ARCH} \ 484 -Iinclude/lib/cpus/${ARCH} \ 485 -Iinclude/lib/el3_runtime/${ARCH} \ 486 ${PLAT_INCLUDES} \ 487 ${SPD_INCLUDES} 488 489include common/backtrace/backtrace.mk 490 491################################################################################ 492# Generic definitions 493################################################################################ 494 495include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 496 497ifeq (${BUILD_BASE},) 498 BUILD_BASE := ./build 499endif 500BUILD_PLAT := $(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE} 501 502SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 503 504# Platforms providing their own TBB makefile may override this value 505INCLUDE_TBBR_MK := 1 506 507 508################################################################################ 509# Include SPD Makefile if one has been specified 510################################################################################ 511 512ifneq (${SPD},none) 513 ifeq (${ARCH},aarch32) 514 $(error "Error: SPD is incompatible with AArch32.") 515 endif 516 517 ifdef EL3_PAYLOAD_BASE 518 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 519 $(warning "The SPD and its BL32 companion will be present but ignored.") 520 endif 521 522 ifeq (${SPD},spmd) 523 # SPMD is located in std_svc directory 524 SPD_DIR := std_svc 525 526 ifeq ($(SPMD_SPM_AT_SEL2),1) 527 ifeq ($(CTX_INCLUDE_EL2_REGS),0) 528 $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option) 529 endif 530 ifeq ($(SPMC_AT_EL3),1) 531 $(error SPM cannot be enabled in both S-EL2 and EL3.) 532 endif 533 endif 534 535 ifeq ($(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 $(error ENABLE_RME requires AArch64) 582endif 583ifeq ($(SPMC_AT_EL3),1) 584 $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.) 585endif 586include services/std_svc/rmmd/rmmd.mk 587$(warning "RME is an experimental feature") 588endif 589 590################################################################################ 591# Include the platform specific Makefile after the SPD Makefile (the platform 592# makefile may use all previous definitions in this file) 593################################################################################ 594 595include ${PLAT_MAKEFILE_FULL} 596 597$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 598 599ifeq (${ARM_ARCH_MAJOR},7) 600include make_helpers/armv7-a-cpus.mk 601endif 602 603PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 604ifneq ($(PIE_FOUND),) 605 TF_CFLAGS += -fno-PIE 606endif 607 608ifneq ($(findstring gcc,$(notdir $(LD))),) 609 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 610else 611 PIE_LDFLAGS += -pie --no-dynamic-linker 612endif 613 614ifeq ($(ENABLE_PIE),1) 615ifeq ($(BL2_AT_EL3),1) 616ifneq ($(BL2_IN_XIP_MEM),1) 617 BL2_CFLAGS += -fpie 618 BL2_LDFLAGS += $(PIE_LDFLAGS) 619endif 620endif 621 BL31_CFLAGS += -fpie 622 BL31_LDFLAGS += $(PIE_LDFLAGS) 623 BL32_CFLAGS += -fpie 624 BL32_LDFLAGS += $(PIE_LDFLAGS) 625endif 626 627ifeq (${ARCH},aarch64) 628BL1_CPPFLAGS += -DIMAGE_AT_EL3 629ifeq ($(BL2_AT_EL3),1) 630BL2_CPPFLAGS += -DIMAGE_AT_EL3 631else 632BL2_CPPFLAGS += -DIMAGE_AT_EL1 633endif 634BL2U_CPPFLAGS += -DIMAGE_AT_EL1 635BL31_CPPFLAGS += -DIMAGE_AT_EL3 636BL32_CPPFLAGS += -DIMAGE_AT_EL1 637endif 638 639# Include the CPU specific operations makefile, which provides default 640# values for all CPU errata workarounds and CPU specific optimisations. 641# This can be overridden by the platform. 642include lib/cpus/cpu-ops.mk 643 644ifeq (${ARCH},aarch32) 645NEED_BL32 := yes 646 647################################################################################ 648# Build `AARCH32_SP` as BL32 image for AArch32 649################################################################################ 650ifneq (${AARCH32_SP},none) 651# We expect to locate an sp.mk under the specified AARCH32_SP directory 652AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 653 654ifeq (${AARCH32_SP_MAKE},) 655 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 656endif 657 658$(info Including ${AARCH32_SP_MAKE}) 659include ${AARCH32_SP_MAKE} 660endif 661 662endif 663 664################################################################################ 665# Include libc if not overridden 666################################################################################ 667ifeq (${OVERRIDE_LIBC},0) 668include lib/libc/libc.mk 669endif 670 671################################################################################ 672# Check incompatible options 673################################################################################ 674 675ifdef EL3_PAYLOAD_BASE 676 ifdef PRELOADED_BL33_BASE 677 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 678 incompatible build options. EL3_PAYLOAD_BASE has priority.") 679 endif 680 ifneq (${GENERATE_COT},0) 681 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 682 endif 683 ifneq (${TRUSTED_BOARD_BOOT},0) 684 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 685 endif 686endif 687 688ifeq (${NEED_BL33},yes) 689 ifdef EL3_PAYLOAD_BASE 690 $(warning "BL33 image is not needed when option \ 691 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 692 endif 693 ifdef PRELOADED_BL33_BASE 694 $(warning "BL33 image is not needed when option \ 695 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 696 file.") 697 endif 698endif 699 700# When building for systems with hardware-assisted coherency, there's no need to 701# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 702ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 703$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 704endif 705 706#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 707ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 708$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 709endif 710 711# For RAS_EXTENSION, require that EAs are handled in EL3 first 712ifeq ($(RAS_EXTENSION),1) 713 ifneq ($(HANDLE_EA_EL3_FIRST),1) 714 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 715 endif 716endif 717 718# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 719ifeq ($(FAULT_INJECTION_SUPPORT),1) 720 ifneq ($(RAS_EXTENSION),1) 721 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 722 endif 723endif 724 725# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 726ifeq ($(DYN_DISABLE_AUTH), 1) 727 ifeq (${TRUSTED_BOARD_BOOT}, 0) 728 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 729 endif 730endif 731 732ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT}),) 733 CRYPTO_SUPPORT := 1 734else 735 CRYPTO_SUPPORT := 0 736endif 737 738# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 739ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 740$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled") 741endif 742 743# If pointer authentication is used in the firmware, make sure that all the 744# registers associated to it are also saved and restored. 745# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 746ifeq ($(ENABLE_PAUTH),1) 747 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 748 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 749 endif 750endif 751 752ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 753 ifneq (${ARCH},aarch64) 754 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 755 endif 756endif 757 758ifeq ($(CTX_INCLUDE_MTE_REGS),1) 759 ifneq (${ARCH},aarch64) 760 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 761 endif 762endif 763 764ifeq ($(PSA_FWU_SUPPORT),1) 765 $(info PSA_FWU_SUPPORT is an experimental feature) 766endif 767 768ifeq ($(FEATURE_DETECTION),1) 769 $(info FEATURE_DETECTION is an experimental feature) 770endif 771 772ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 773 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 774 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 775 endif 776endif 777 778ifneq (${DECRYPTION_SUPPORT},none) 779 ifeq (${TRUSTED_BOARD_BOOT}, 0) 780 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 781 endif 782endif 783 784# SME/SVE only supported on AArch64 785ifeq (${ARCH},aarch32) 786 ifeq (${ENABLE_SME_FOR_NS},1) 787 $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32") 788 endif 789 ifeq (${ENABLE_SVE_FOR_NS},1) 790 # Warning instead of error due to CI dependency on this 791 $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32") 792 endif 793endif 794 795# Ensure ENABLE_RME is not used with SME 796ifeq (${ENABLE_RME},1) 797 ifeq (${ENABLE_SME_FOR_NS},1) 798 $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME") 799 endif 800endif 801 802# Secure SME/SVE requires the non-secure component as well 803ifeq (${ENABLE_SME_FOR_SWD},1) 804 ifeq (${ENABLE_SME_FOR_NS},0) 805 $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS") 806 endif 807endif 808ifeq (${ENABLE_SVE_FOR_SWD},1) 809 ifeq (${ENABLE_SVE_FOR_NS},0) 810 $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS") 811 endif 812endif 813 814# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does 815# its own context management including FPU registers. 816ifeq (${CTX_INCLUDE_FPREGS},1) 817 ifeq (${ENABLE_SME_FOR_NS},1) 818 $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 819 endif 820 ifeq (${ENABLE_SVE_FOR_NS},1) 821 # Warning instead of error due to CI dependency on this 822 $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 823 $(warning "Forced ENABLE_SVE_FOR_NS=0") 824 override ENABLE_SVE_FOR_NS := 0 825 endif 826endif 827 828################################################################################ 829# Process platform overrideable behaviour 830################################################################################ 831 832ifdef BL1_SOURCES 833NEED_BL1 := yes 834endif 835 836ifdef BL2_SOURCES 837 NEED_BL2 := yes 838 839 # Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 840 # Certificate generation tools. This flag can be overridden by the platform. 841 ifdef EL3_PAYLOAD_BASE 842 # If booting an EL3 payload there is no need for a BL33 image 843 # in the FIP file. 844 NEED_BL33 := no 845 else 846 ifdef PRELOADED_BL33_BASE 847 # If booting a BL33 preloaded image there is no need of 848 # another one in the FIP file. 849 NEED_BL33 := no 850 else 851 NEED_BL33 ?= yes 852 endif 853 endif 854endif 855 856ifdef BL2U_SOURCES 857NEED_BL2U := yes 858endif 859 860# If SCP_BL2 is given, we always want FIP to include it. 861ifdef SCP_BL2 862 NEED_SCP_BL2 := yes 863endif 864 865# For AArch32, BL31 is not currently supported. 866ifneq (${ARCH},aarch32) 867 ifdef BL31_SOURCES 868 # When booting an EL3 payload, there is no need to compile the BL31 image nor 869 # put it in the FIP. 870 ifndef EL3_PAYLOAD_BASE 871 NEED_BL31 := yes 872 endif 873 endif 874endif 875 876# Process TBB related flags 877ifneq (${GENERATE_COT},0) 878 # Common cert_create options 879 ifneq (${CREATE_KEYS},0) 880 $(eval CRT_ARGS += -n) 881 $(eval FWU_CRT_ARGS += -n) 882 ifneq (${SAVE_KEYS},0) 883 $(eval CRT_ARGS += -k) 884 $(eval FWU_CRT_ARGS += -k) 885 endif 886 endif 887 # Include TBBR makefile (unless the platform indicates otherwise) 888 ifeq (${INCLUDE_TBBR_MK},1) 889 include make_helpers/tbbr/tbbr_tools.mk 890 endif 891endif 892 893ifneq (${FIP_ALIGN},0) 894FIP_ARGS += --align ${FIP_ALIGN} 895endif 896 897ifdef FDT_SOURCES 898NEED_FDT := yes 899endif 900 901################################################################################ 902# Include libraries' Makefile that are used in all BL 903################################################################################ 904 905include lib/stack_protector/stack_protector.mk 906 907################################################################################ 908# Auxiliary tools (fiptool, cert_create, etc) 909################################################################################ 910 911# Variables for use with Certificate Generation Tool 912CRTTOOLPATH ?= tools/cert_create 913CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 914 915# Variables for use with Firmware Encryption Tool 916ENCTOOLPATH ?= tools/encrypt_fw 917ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 918 919# Variables for use with Firmware Image Package 920FIPTOOLPATH ?= tools/fiptool 921FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 922 923# Variables for use with sptool 924SPTOOLPATH ?= tools/sptool 925SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 926SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 927 928# Variables for use with ROMLIB 929ROMLIBPATH ?= lib/romlib 930 931# Variable for use with Python 932PYTHON ?= python3 933 934# Variables for use with PRINT_MEMORY_MAP 935PRINT_MEMORY_MAP_PATH ?= tools/memory 936PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 937 938# Variables for use with documentation build using Sphinx tool 939DOCS_PATH ?= docs 940 941# Defination of SIMICS flag 942SIMICS_BUILD ?= 0 943 944################################################################################ 945# Include BL specific makefiles 946################################################################################ 947 948ifeq (${NEED_BL1},yes) 949include bl1/bl1.mk 950endif 951 952ifeq (${NEED_BL2},yes) 953include bl2/bl2.mk 954endif 955 956ifeq (${NEED_BL2U},yes) 957include bl2u/bl2u.mk 958endif 959 960ifeq (${NEED_BL31},yes) 961include bl31/bl31.mk 962endif 963 964################################################################################ 965# Build options checks 966################################################################################ 967 968$(eval $(call assert_booleans,\ 969 $(sort \ 970 ALLOW_RO_XLAT_TABLES \ 971 BL2_ENABLE_SP_LOAD \ 972 COLD_BOOT_SINGLE_CPU \ 973 CREATE_KEYS \ 974 CTX_INCLUDE_AARCH32_REGS \ 975 CTX_INCLUDE_FPREGS \ 976 CTX_INCLUDE_EL2_REGS \ 977 DEBUG \ 978 DISABLE_MTPMU \ 979 DYN_DISABLE_AUTH \ 980 EL3_EXCEPTION_HANDLING \ 981 ENABLE_AMU \ 982 ENABLE_AMU_AUXILIARY_COUNTERS \ 983 ENABLE_AMU_FCONF \ 984 AMU_RESTRICT_COUNTERS \ 985 ENABLE_ASSERTIONS \ 986 ENABLE_PIE \ 987 ENABLE_PMF \ 988 ENABLE_PSCI_STAT \ 989 ENABLE_RUNTIME_INSTRUMENTATION \ 990 ENABLE_SME_FOR_NS \ 991 ENABLE_SME_FOR_SWD \ 992 ENABLE_SPE_FOR_LOWER_ELS \ 993 ENABLE_SVE_FOR_NS \ 994 ENABLE_SVE_FOR_SWD \ 995 ERROR_DEPRECATED \ 996 FAULT_INJECTION_SUPPORT \ 997 GENERATE_COT \ 998 GICV2_G0_FOR_EL3 \ 999 HANDLE_EA_EL3_FIRST \ 1000 HW_ASSISTED_COHERENCY \ 1001 INVERTED_MEMMAP \ 1002 MEASURED_BOOT \ 1003 NS_TIMER_SWITCH \ 1004 OVERRIDE_LIBC \ 1005 PL011_GENERIC_UART \ 1006 PROGRAMMABLE_RESET_ADDRESS \ 1007 PSCI_EXTENDED_STATE_ID \ 1008 RESET_TO_BL31 \ 1009 SAVE_KEYS \ 1010 SEPARATE_CODE_AND_RODATA \ 1011 SEPARATE_BL2_NOLOAD_REGION \ 1012 SEPARATE_NOBITS_REGION \ 1013 SPIN_ON_BL1_EXIT \ 1014 SPM_MM \ 1015 SPMC_AT_EL3 \ 1016 SPMD_SPM_AT_SEL2 \ 1017 TRUSTED_BOARD_BOOT \ 1018 CRYPTO_SUPPORT \ 1019 USE_COHERENT_MEM \ 1020 USE_DEBUGFS \ 1021 ARM_IO_IN_DTB \ 1022 SDEI_IN_FCONF \ 1023 SEC_INT_DESC_IN_FCONF \ 1024 USE_ROMLIB \ 1025 USE_TBBR_DEFS \ 1026 WARMBOOT_ENABLE_DCACHE_EARLY \ 1027 BL2_AT_EL3 \ 1028 BL2_IN_XIP_MEM \ 1029 BL2_INV_DCACHE \ 1030 USE_SPINLOCK_CAS \ 1031 ENCRYPT_BL31 \ 1032 ENCRYPT_BL32 \ 1033 ERRATA_SPECULATIVE_AT \ 1034 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 1035 COT_DESC_IN_DTB \ 1036 USE_SP804_TIMER \ 1037 PSA_FWU_SUPPORT \ 1038 ENABLE_TRBE_FOR_NS \ 1039 ENABLE_SYS_REG_TRACE_FOR_NS \ 1040 ENABLE_MPMM \ 1041 ENABLE_MPMM_FCONF \ 1042 SIMICS_BUILD \ 1043 FEATURE_DETECTION \ 1044))) 1045 1046$(eval $(call assert_numerics,\ 1047 $(sort \ 1048 ARM_ARCH_MAJOR \ 1049 ARM_ARCH_MINOR \ 1050 BRANCH_PROTECTION \ 1051 CTX_INCLUDE_PAUTH_REGS \ 1052 CTX_INCLUDE_MTE_REGS \ 1053 CTX_INCLUDE_NEVE_REGS \ 1054 ENABLE_BTI \ 1055 ENABLE_PAUTH \ 1056 ENABLE_FEAT_AMUv1 \ 1057 ENABLE_FEAT_AMUv1p1 \ 1058 ENABLE_FEAT_CSV2_2 \ 1059 ENABLE_FEAT_DIT \ 1060 ENABLE_FEAT_ECV \ 1061 ENABLE_FEAT_FGT \ 1062 ENABLE_FEAT_HCX \ 1063 ENABLE_FEAT_PAN \ 1064 ENABLE_FEAT_RNG \ 1065 ENABLE_FEAT_SB \ 1066 ENABLE_FEAT_SEL2 \ 1067 ENABLE_FEAT_VHE \ 1068 ENABLE_MPAM_FOR_LOWER_ELS \ 1069 ENABLE_RME \ 1070 ENABLE_TRF_FOR_NS \ 1071 FW_ENC_STATUS \ 1072 NR_OF_FW_BANKS \ 1073 NR_OF_IMAGES_IN_FW_BANK \ 1074 RAS_EXTENSION \ 1075))) 1076 1077ifdef KEY_SIZE 1078 $(eval $(call assert_numeric,KEY_SIZE)) 1079endif 1080 1081ifeq ($(filter $(SANITIZE_UB), on off trap),) 1082 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 1083endif 1084 1085################################################################################ 1086# Add definitions to the cpp preprocessor based on the current build options. 1087# This is done after including the platform specific makefile to allow the 1088# platform to overwrite the default options 1089################################################################################ 1090 1091$(eval $(call add_defines,\ 1092 $(sort \ 1093 ALLOW_RO_XLAT_TABLES \ 1094 ARM_ARCH_MAJOR \ 1095 ARM_ARCH_MINOR \ 1096 BL2_ENABLE_SP_LOAD \ 1097 COLD_BOOT_SINGLE_CPU \ 1098 CTX_INCLUDE_AARCH32_REGS \ 1099 CTX_INCLUDE_FPREGS \ 1100 CTX_INCLUDE_PAUTH_REGS \ 1101 EL3_EXCEPTION_HANDLING \ 1102 CTX_INCLUDE_MTE_REGS \ 1103 CTX_INCLUDE_EL2_REGS \ 1104 CTX_INCLUDE_NEVE_REGS \ 1105 DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \ 1106 DISABLE_MTPMU \ 1107 ENABLE_AMU \ 1108 ENABLE_AMU_AUXILIARY_COUNTERS \ 1109 ENABLE_AMU_FCONF \ 1110 AMU_RESTRICT_COUNTERS \ 1111 ENABLE_ASSERTIONS \ 1112 ENABLE_BTI \ 1113 ENABLE_MPAM_FOR_LOWER_ELS \ 1114 ENABLE_PAUTH \ 1115 ENABLE_PIE \ 1116 ENABLE_PMF \ 1117 ENABLE_PSCI_STAT \ 1118 ENABLE_RME \ 1119 ENABLE_RUNTIME_INSTRUMENTATION \ 1120 ENABLE_SME_FOR_NS \ 1121 ENABLE_SME_FOR_SWD \ 1122 ENABLE_SPE_FOR_LOWER_ELS \ 1123 ENABLE_SVE_FOR_NS \ 1124 ENABLE_SVE_FOR_SWD \ 1125 ENCRYPT_BL31 \ 1126 ENCRYPT_BL32 \ 1127 ERROR_DEPRECATED \ 1128 FAULT_INJECTION_SUPPORT \ 1129 GICV2_G0_FOR_EL3 \ 1130 HANDLE_EA_EL3_FIRST \ 1131 HW_ASSISTED_COHERENCY \ 1132 LOG_LEVEL \ 1133 MEASURED_BOOT \ 1134 NS_TIMER_SWITCH \ 1135 PL011_GENERIC_UART \ 1136 PLAT_${PLAT} \ 1137 PROGRAMMABLE_RESET_ADDRESS \ 1138 PSCI_EXTENDED_STATE_ID \ 1139 RAS_EXTENSION \ 1140 RESET_TO_BL31 \ 1141 SEPARATE_CODE_AND_RODATA \ 1142 SEPARATE_BL2_NOLOAD_REGION \ 1143 SEPARATE_NOBITS_REGION \ 1144 RECLAIM_INIT_CODE \ 1145 SPD_${SPD} \ 1146 SPIN_ON_BL1_EXIT \ 1147 SPM_MM \ 1148 SPMC_AT_EL3 \ 1149 SPMD_SPM_AT_SEL2 \ 1150 TRUSTED_BOARD_BOOT \ 1151 CRYPTO_SUPPORT \ 1152 TRNG_SUPPORT \ 1153 USE_COHERENT_MEM \ 1154 USE_DEBUGFS \ 1155 ARM_IO_IN_DTB \ 1156 SDEI_IN_FCONF \ 1157 SEC_INT_DESC_IN_FCONF \ 1158 USE_ROMLIB \ 1159 USE_TBBR_DEFS \ 1160 WARMBOOT_ENABLE_DCACHE_EARLY \ 1161 BL2_AT_EL3 \ 1162 BL2_IN_XIP_MEM \ 1163 BL2_INV_DCACHE \ 1164 USE_SPINLOCK_CAS \ 1165 ERRATA_SPECULATIVE_AT \ 1166 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 1167 COT_DESC_IN_DTB \ 1168 USE_SP804_TIMER \ 1169 ENABLE_FEAT_RNG \ 1170 ENABLE_FEAT_SB \ 1171 ENABLE_FEAT_DIT \ 1172 NR_OF_FW_BANKS \ 1173 NR_OF_IMAGES_IN_FW_BANK \ 1174 PSA_FWU_SUPPORT \ 1175 ENABLE_TRBE_FOR_NS \ 1176 ENABLE_SYS_REG_TRACE_FOR_NS \ 1177 ENABLE_TRF_FOR_NS \ 1178 ENABLE_FEAT_HCX \ 1179 ENABLE_MPMM \ 1180 ENABLE_MPMM_FCONF \ 1181 ENABLE_FEAT_FGT \ 1182 ENABLE_FEAT_AMUv1 \ 1183 ENABLE_FEAT_ECV \ 1184 SIMICS_BUILD \ 1185 ENABLE_FEAT_AMUv1p1 \ 1186 ENABLE_FEAT_SEL2 \ 1187 ENABLE_FEAT_VHE \ 1188 ENABLE_FEAT_CSV2_2 \ 1189 ENABLE_FEAT_PAN \ 1190 FEATURE_DETECTION \ 1191))) 1192 1193ifeq (${SANITIZE_UB},trap) 1194 $(eval $(call add_define,MONITOR_TRAPS)) 1195endif 1196 1197# Define the EL3_PAYLOAD_BASE flag only if it is provided. 1198ifdef EL3_PAYLOAD_BASE 1199 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 1200else 1201 # Define the PRELOADED_BL33_BASE flag only if it is provided and 1202 # EL3_PAYLOAD_BASE is not defined, as it has priority. 1203 ifdef PRELOADED_BL33_BASE 1204 $(eval $(call add_define,PRELOADED_BL33_BASE)) 1205 endif 1206endif 1207 1208# Define the DYN_DISABLE_AUTH flag only if set. 1209ifeq (${DYN_DISABLE_AUTH},1) 1210$(eval $(call add_define,DYN_DISABLE_AUTH)) 1211endif 1212 1213ifneq ($(findstring armlink,$(notdir $(LD))),) 1214$(eval $(call add_define,USE_ARM_LINK)) 1215endif 1216 1217# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1218ifeq (${SPD},spmd) 1219ifdef SP_LAYOUT_FILE 1220 -include $(BUILD_PLAT)/sp_gen.mk 1221 FIP_DEPS += sp 1222 CRT_DEPS += sp 1223 NEED_SP_PKG := yes 1224else 1225 ifeq (${SPMD_SPM_AT_SEL2},1) 1226 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1227 endif 1228endif 1229endif 1230 1231################################################################################ 1232# Build targets 1233################################################################################ 1234 1235.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1236.SUFFIXES: 1237 1238all: msg_start 1239 1240msg_start: 1241 @echo "Building ${PLAT}" 1242 1243ifeq (${ERROR_DEPRECATED},0) 1244# Check if deprecated declarations and cpp warnings should be treated as error or not. 1245ifneq ($(findstring clang,$(notdir $(CC))),) 1246 CPPFLAGS += -Wno-error=deprecated-declarations 1247else 1248 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1249endif 1250endif # !ERROR_DEPRECATED 1251 1252$(eval $(call MAKE_LIB_DIRS)) 1253$(eval $(call MAKE_LIB,c)) 1254 1255# Expand build macros for the different images 1256ifeq (${NEED_BL1},yes) 1257BL1_SOURCES := $(sort ${BL1_SOURCES}) 1258 1259$(eval $(call MAKE_BL,bl1)) 1260endif 1261 1262ifeq (${NEED_BL2},yes) 1263ifeq (${BL2_AT_EL3}, 0) 1264FIP_BL2_ARGS := tb-fw 1265endif 1266 1267BL2_SOURCES := $(sort ${BL2_SOURCES}) 1268 1269$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1270 $(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS}))) 1271endif 1272 1273ifeq (${NEED_SCP_BL2},yes) 1274$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1275endif 1276 1277ifeq (${NEED_BL31},yes) 1278BL31_SOURCES += ${SPD_SOURCES} 1279# Sort BL31 source files to remove duplicates 1280BL31_SOURCES := $(sort ${BL31_SOURCES}) 1281ifneq (${DECRYPTION_SUPPORT},none) 1282$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1283 $(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31)))) 1284else 1285$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1286 $(eval $(call MAKE_BL,bl31,soc-fw))) 1287endif 1288endif 1289 1290# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1291# build system will call TOOL_ADD_IMG to print a warning message and abort the 1292# process. Note that the dependency on BL32 applies to the FIP only. 1293ifeq (${NEED_BL32},yes) 1294# Sort BL32 source files to remove duplicates 1295BL32_SOURCES := $(sort ${BL32_SOURCES}) 1296BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1297 1298ifneq (${DECRYPTION_SUPPORT},none) 1299$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\ 1300 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1301else 1302$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\ 1303 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1304endif 1305endif 1306 1307# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP) 1308# needs to be built from RMM_SOURCES. 1309ifeq (${NEED_RMM},yes) 1310# Sort RMM source files to remove duplicates 1311RMM_SOURCES := $(sort ${RMM_SOURCES}) 1312BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1)) 1313 1314$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\ 1315 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw))) 1316endif 1317 1318# Add the BL33 image if required by the platform 1319ifeq (${NEED_BL33},yes) 1320$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1321endif 1322 1323ifeq (${NEED_BL2U},yes) 1324$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1325 $(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_))) 1326endif 1327 1328# Expand build macros for the different images 1329ifeq (${NEED_FDT},yes) 1330 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1331endif 1332 1333# Add Secure Partition packages 1334ifeq (${NEED_SP_PKG},yes) 1335$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1336 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} 1337sp: $(SPTOOL) $(DTBS) $(BUILD_PLAT)/sp_gen.mk 1338 ${Q}$(SPTOOL) $(SPTOOL_ARGS) 1339 @${ECHO_BLANK_LINE} 1340 @echo "Built SP Images successfully" 1341 @${ECHO_BLANK_LINE} 1342endif 1343 1344locate-checkpatch: 1345ifndef CHECKPATCH 1346 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1347else 1348ifeq (,$(wildcard ${CHECKPATCH})) 1349 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1350endif 1351endif 1352 1353clean: 1354 @echo " CLEAN" 1355 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1356ifdef UNIX_MK 1357 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1358else 1359# Clear the MAKEFLAGS as we do not want 1360# to pass the gnumake flags to nmake. 1361 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean 1362endif 1363 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1364 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1365 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1366 1367realclean distclean: 1368 @echo " REALCLEAN" 1369 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1370 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1371ifdef UNIX_MK 1372 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1373else 1374# Clear the MAKEFLAGS as we do not want 1375# to pass the gnumake flags to nmake. 1376 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean 1377endif 1378 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 1379 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean 1380 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1381 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1382 1383checkcodebase: locate-checkpatch 1384 @echo " CHECKING STYLE" 1385 @if test -d .git ; then \ 1386 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1387 while read GIT_FILE ; \ 1388 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1389 done ; \ 1390 else \ 1391 find . -type f -not -iwholename "*.git*" \ 1392 -not -iwholename "*build*" \ 1393 -not -iwholename "*libfdt*" \ 1394 -not -iwholename "*libc*" \ 1395 -not -iwholename "*docs*" \ 1396 -not -iwholename "*.rst" \ 1397 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1398 fi 1399 1400checkpatch: locate-checkpatch 1401 @echo " CHECKING STYLE" 1402 @if test -n "${CHECKPATCH_OPTS}"; then \ 1403 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1404 fi 1405 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1406 for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`; \ 1407 do \ 1408 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1409 git log --format=email "$$commit~..$$commit" \ 1410 -- ${CHECK_PATHS} | \ 1411 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1412 git diff --format=email "$$commit~..$$commit" \ 1413 -- ${CHECK_PATHS} | \ 1414 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1415 done 1416 1417certtool: ${CRTTOOL} 1418 1419${CRTTOOL}: FORCE 1420 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH} 1421 @${ECHO_BLANK_LINE} 1422 @echo "Built $@ successfully" 1423 @${ECHO_BLANK_LINE} 1424 1425ifneq (${GENERATE_COT},0) 1426certificates: ${CRT_DEPS} ${CRTTOOL} 1427 ${Q}${CRTTOOL} ${CRT_ARGS} 1428 @${ECHO_BLANK_LINE} 1429 @echo "Built $@ successfully" 1430 @echo "Certificates can be found in ${BUILD_PLAT}" 1431 @${ECHO_BLANK_LINE} 1432endif 1433 1434${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1435 $(eval ${CHECK_FIP_CMD}) 1436 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1437 ${Q}${FIPTOOL} info $@ 1438 @${ECHO_BLANK_LINE} 1439 @echo "Built $@ successfully" 1440 @${ECHO_BLANK_LINE} 1441 1442ifneq (${GENERATE_COT},0) 1443fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1444 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1445 @${ECHO_BLANK_LINE} 1446 @echo "Built $@ successfully" 1447 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1448 @${ECHO_BLANK_LINE} 1449endif 1450 1451${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1452 $(eval ${CHECK_FWU_FIP_CMD}) 1453 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1454 ${Q}${FIPTOOL} info $@ 1455 @${ECHO_BLANK_LINE} 1456 @echo "Built $@ successfully" 1457 @${ECHO_BLANK_LINE} 1458 1459fiptool: ${FIPTOOL} 1460fip: ${BUILD_PLAT}/${FIP_NAME} 1461fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1462 1463${FIPTOOL}: FORCE 1464ifdef UNIX_MK 1465 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${FIPTOOLPATH} 1466else 1467# Clear the MAKEFLAGS as we do not want 1468# to pass the gnumake flags to nmake. 1469 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) 1470endif 1471 1472sptool: ${SPTOOL} 1473${SPTOOL}: FORCE 1474 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" SPTOOL=${SPTOOL} --no-print-directory -C ${SPTOOLPATH} 1475 1476romlib.bin: libraries FORCE 1477 ${Q}${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 1478 1479# Call print_memory_map tool 1480memmap: all 1481 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1482 1483doc: 1484 @echo " BUILD DOCUMENTATION" 1485 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1486 1487enctool: ${ENCTOOL} 1488 1489${ENCTOOL}: FORCE 1490 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH} 1491 @${ECHO_BLANK_LINE} 1492 @echo "Built $@ successfully" 1493 @${ECHO_BLANK_LINE} 1494 1495cscope: 1496 @echo " CSCOPE" 1497 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1498 ${Q}cscope -b -q -k 1499 1500help: 1501 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1502 @echo "" 1503 @echo "PLAT is used to specify which platform you wish to build." 1504 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1505 @echo "" 1506 @echo "platform = ${PLATFORM_LIST}" 1507 @echo "" 1508 @echo "Please refer to the User Guide for a list of all supported options." 1509 @echo "Note that the build system doesn't track dependencies for build " 1510 @echo "options. Therefore, if any of the build options are changed " 1511 @echo "from a previous build, a clean build must be performed." 1512 @echo "" 1513 @echo "Supported Targets:" 1514 @echo " all Build all individual bootloader binaries" 1515 @echo " bl1 Build the BL1 binary" 1516 @echo " bl2 Build the BL2 binary" 1517 @echo " bl2u Build the BL2U binary" 1518 @echo " bl31 Build the BL31 binary" 1519 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1520 @echo " this builds secure payload specified by AARCH32_SP" 1521 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1522 @echo " fip Build the Firmware Image Package (FIP)" 1523 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1524 @echo " checkcodebase Check the coding style of the entire source tree" 1525 @echo " checkpatch Check the coding style on changes in the current" 1526 @echo " branch against BASE_COMMIT (default origin/master)" 1527 @echo " clean Clean the build for the selected platform" 1528 @echo " cscope Generate cscope index" 1529 @echo " distclean Remove all build artifacts for all platforms" 1530 @echo " certtool Build the Certificate generation tool" 1531 @echo " enctool Build the Firmware encryption tool" 1532 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1533 @echo " sp Build the Secure Partition Packages" 1534 @echo " sptool Build the Secure Partition Package creation tool" 1535 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1536 @echo " memmap Print the memory map of the built binaries" 1537 @echo " doc Build html based documentation using Sphinx tool" 1538 @echo "" 1539 @echo "Note: most build targets require PLAT to be set to a specific platform." 1540 @echo "" 1541 @echo "example: build all targets for the FVP platform:" 1542 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1543 1544.PHONY: FORCE 1545FORCE:; 1546