1# 2# Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# 8# Trusted Firmware Version 9# 10VERSION_MAJOR := 2 11VERSION_MINOR := 3 12 13# Default goal is build all images 14.DEFAULT_GOAL := all 15 16# Avoid any implicit propagation of command line variable definitions to 17# sub-Makefiles, like CFLAGS that we reserved for the firmware images' 18# usage. Other command line options like "-s" are still propagated as usual. 19MAKEOVERRIDES = 20 21MAKE_HELPERS_DIRECTORY := make_helpers/ 22include ${MAKE_HELPERS_DIRECTORY}build_macros.mk 23include ${MAKE_HELPERS_DIRECTORY}build_env.mk 24 25################################################################################ 26# Default values for build configurations, and their dependencies 27################################################################################ 28 29include ${MAKE_HELPERS_DIRECTORY}defaults.mk 30 31# Assertions enabled for DEBUG builds by default 32ENABLE_ASSERTIONS := ${DEBUG} 33ENABLE_PMF := ${ENABLE_RUNTIME_INSTRUMENTATION} 34PLAT := ${DEFAULT_PLAT} 35 36################################################################################ 37# Checkpatch script options 38################################################################################ 39 40CHECKCODE_ARGS := --no-patch 41# Do not check the coding style on imported library files or documentation files 42INC_ARM_DIRS_TO_CHECK := $(sort $(filter-out \ 43 include/drivers/arm/cryptocell, \ 44 $(wildcard include/drivers/arm/*))) 45INC_ARM_DIRS_TO_CHECK += include/drivers/arm/cryptocell/*.h 46INC_DRV_DIRS_TO_CHECK := $(sort $(filter-out \ 47 include/drivers/arm, \ 48 $(wildcard include/drivers/*))) 49INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 50 include/lib/libfdt \ 51 include/lib/libc, \ 52 $(wildcard include/lib/*))) 53INC_DIRS_TO_CHECK := $(sort $(filter-out \ 54 include/lib \ 55 include/drivers, \ 56 $(wildcard include/*))) 57LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 58 lib/compiler-rt \ 59 lib/libfdt% \ 60 lib/libc, \ 61 $(wildcard lib/*))) 62ROOT_DIRS_TO_CHECK := $(sort $(filter-out \ 63 lib \ 64 include \ 65 docs \ 66 %.rst, \ 67 $(wildcard *))) 68CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \ 69 ${INC_DIRS_TO_CHECK} \ 70 ${INC_LIB_DIRS_TO_CHECK} \ 71 ${LIB_DIRS_TO_CHECK} \ 72 ${INC_DRV_DIRS_TO_CHECK} \ 73 ${INC_ARM_DIRS_TO_CHECK} 74 75 76################################################################################ 77# Process build options 78################################################################################ 79 80# Verbose flag 81ifeq (${V},0) 82 Q:=@ 83 ECHO:=@echo 84 CHECKCODE_ARGS += --no-summary --terse 85else 86 Q:= 87 ECHO:=$(ECHO_QUIET) 88endif 89 90ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) 91 Q:=@ 92 ECHO:=$(ECHO_QUIET) 93endif 94 95export Q ECHO 96 97# The cert_create tool cannot generate certificates individually, so we use the 98# target 'certificates' to create them all 99ifneq (${GENERATE_COT},0) 100 FIP_DEPS += certificates 101 FWU_FIP_DEPS += fwu_certificates 102endif 103 104# Process BRANCH_PROTECTION value and set 105# Pointer Authentication and Branch Target Identification flags 106ifeq (${BRANCH_PROTECTION},0) 107 # Default value turns off all types of branch protection 108 BP_OPTION := none 109else ifneq (${ARCH},aarch64) 110 $(error BRANCH_PROTECTION requires AArch64) 111else ifeq (${BRANCH_PROTECTION},1) 112 # Enables all types of branch protection features 113 BP_OPTION := standard 114 ENABLE_BTI := 1 115 ENABLE_PAUTH := 1 116else ifeq (${BRANCH_PROTECTION},2) 117 # Return address signing to its standard level 118 BP_OPTION := pac-ret 119 ENABLE_PAUTH := 1 120else ifeq (${BRANCH_PROTECTION},3) 121 # Extend the signing to include leaf functions 122 BP_OPTION := pac-ret+leaf 123 ENABLE_PAUTH := 1 124else 125 $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION}) 126endif 127 128# USE_SPINLOCK_CAS requires AArch64 build 129ifeq (${USE_SPINLOCK_CAS},1) 130ifneq (${ARCH},aarch64) 131 $(error USE_SPINLOCK_CAS requires AArch64) 132else 133 $(info USE_SPINLOCK_CAS is an experimental feature) 134endif 135endif 136 137# USE_DEBUGFS experimental feature recommended only in debug builds 138ifeq (${USE_DEBUGFS},1) 139ifeq (${DEBUG},1) 140 $(warning DEBUGFS experimental feature is enabled.) 141else 142 $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY) 143endif 144endif 145 146ifneq (${DECRYPTION_SUPPORT},none) 147ENC_ARGS += -f ${FW_ENC_STATUS} 148ENC_ARGS += -k ${ENC_KEY} 149ENC_ARGS += -n ${ENC_NONCE} 150FIP_DEPS += enctool 151FWU_FIP_DEPS += enctool 152endif 153 154################################################################################ 155# Toolchain 156################################################################################ 157 158HOSTCC := gcc 159export HOSTCC 160 161CC := ${CROSS_COMPILE}gcc 162CPP := ${CROSS_COMPILE}cpp 163AS := ${CROSS_COMPILE}gcc 164AR := ${CROSS_COMPILE}ar 165LINKER := ${CROSS_COMPILE}ld 166OC := ${CROSS_COMPILE}objcopy 167OD := ${CROSS_COMPILE}objdump 168NM := ${CROSS_COMPILE}nm 169PP := ${CROSS_COMPILE}gcc -E 170DTC := dtc 171 172# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 173ifneq ($(strip $(wildcard ${LD}.bfd) \ 174 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 175LINKER := ${LINKER}.bfd 176endif 177 178ifeq (${ARM_ARCH_MAJOR},7) 179target32-directive = -target arm-none-eabi 180# Will set march32-directive from platform configuration 181else 182target32-directive = -target armv8a-none-eabi 183 184# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option 185ifeq (${ARM_ARCH_MINOR},0) 186march32-directive = -march=armv8-a 187march64-directive = -march=armv8-a 188else 189march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a 190march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a 191endif 192endif 193 194# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards 195ifeq ($(ARCH), aarch64) 196ifeq ($(shell test $(ARM_ARCH_MAJOR) -gt 8; echo $$?),0) 197mem_tag_arch_support = yes 198else ifeq ($(shell test $(ARM_ARCH_MAJOR) -eq 8 -a $(ARM_ARCH_MINOR) -ge 5; \ 199 echo $$?),0) 200mem_tag_arch_support = yes 201endif 202endif 203 204# Enabled required option for memory stack tagging. Currently, these options are 205# enabled only for clang and armclang compiler. 206ifeq (${SUPPORT_STACK_MEMTAG},yes) 207ifdef mem_tag_arch_support 208ifneq ( ,$(filter $(notdir $(CC)),armclang clang)) 209march64-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a+memtag 210ifeq ($(notdir $(CC)),armclang) 211TF_CFLAGS += -mmemtag-stack 212else ifeq ($(notdir $(CC)),clang) 213TF_CFLAGS += -fsanitize=memtag 214endif 215endif 216else 217$(error "Error: stack memory tagging is not supported for architecture \ 218 ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a") 219endif 220endif 221 222ifneq ($(findstring armclang,$(notdir $(CC))),) 223TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 224TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 225LD = $(LINKER) 226AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 227CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 228PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 229else ifneq ($(findstring clang,$(notdir $(CC))),) 230CLANG_CCDIR = $(if $(filter-out ./,$(dir $(CC))),$(dir $(CC)),) 231TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 232TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 233LD = $(CLANG_CCDIR)ld.lld 234ifeq (, $(shell which $(LD))) 235$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker") 236endif 237AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 238CPP = $(CC) -E 239PP = $(CC) -E 240else ifneq ($(findstring gcc,$(notdir $(CC))),) 241TF_CFLAGS_aarch32 = $(march32-directive) 242TF_CFLAGS_aarch64 = $(march64-directive) 243ifeq ($(ENABLE_LTO),1) 244 # Enable LTO only for aarch64 245 ifeq (${ARCH},aarch64) 246 LTO_CFLAGS = -flto 247 # Use gcc as a wrapper for the ld, recommended for LTO 248 LINKER := ${CROSS_COMPILE}gcc 249 endif 250endif 251LD = $(LINKER) 252else 253TF_CFLAGS_aarch32 = $(march32-directive) 254TF_CFLAGS_aarch64 = $(march64-directive) 255LD = $(LINKER) 256endif 257 258# Process Debug flag 259$(eval $(call add_define,DEBUG)) 260ifneq (${DEBUG}, 0) 261 BUILD_TYPE := debug 262 TF_CFLAGS += -g 263 264 ifneq ($(findstring clang,$(notdir $(CC))),) 265 ASFLAGS += -g 266 else 267 ASFLAGS += -g -Wa,--gdwarf-2 268 endif 269 270 # Use LOG_LEVEL_INFO by default for debug builds 271 LOG_LEVEL := 40 272else 273 BUILD_TYPE := release 274 # Use LOG_LEVEL_NOTICE by default for release builds 275 LOG_LEVEL := 20 276endif 277 278# Default build string (git branch and commit) 279ifeq (${BUILD_STRING},) 280 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 281endif 282VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 283 284ifeq (${AARCH32_INSTRUCTION_SET},A32) 285TF_CFLAGS_aarch32 += -marm 286else ifeq (${AARCH32_INSTRUCTION_SET},T32) 287TF_CFLAGS_aarch32 += -mthumb 288else 289$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 290endif 291 292TF_CFLAGS_aarch32 += -mno-unaligned-access 293TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 294 295ifneq (${BP_OPTION},none) 296TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 297endif 298 299ASFLAGS_aarch32 = $(march32-directive) 300ASFLAGS_aarch64 = $(march64-directive) 301 302# General warnings 303WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 304 -Wdisabled-optimization -Wvla -Wshadow \ 305 -Wno-unused-parameter -Wredundant-decls 306 307# Additional warnings 308# Level 1 309WARNING1 := -Wextra 310WARNING1 += -Wmissing-format-attribute 311WARNING1 += -Wmissing-prototypes 312WARNING1 += -Wold-style-definition 313 314# Level 2 315WARNING2 := -Waggregate-return 316WARNING2 += -Wcast-align 317WARNING2 += -Wnested-externs 318 319WARNING3 := -Wbad-function-cast 320WARNING3 += -Wcast-qual 321WARNING3 += -Wconversion 322WARNING3 += -Wpacked 323WARNING3 += -Wpointer-arith 324WARNING3 += -Wswitch-default 325 326ifeq (${W},1) 327WARNINGS += $(WARNING1) 328else ifeq (${W},2) 329WARNINGS += $(WARNING1) $(WARNING2) 330else ifeq (${W},3) 331WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 332endif 333 334# Compiler specific warnings 335ifeq ($(findstring clang,$(notdir $(CC))),) 336# not using clang 337WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 338 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 339 -Wlogical-op 340else 341# using clang 342WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 343 -Wlogical-op-parentheses 344endif 345 346ifneq (${E},0) 347ERRORS := -Werror 348endif 349 350CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 351 $(ERRORS) $(WARNINGS) 352ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 353 -ffreestanding -Wa,--fatal-warnings 354TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 355 -ffunction-sections -fdata-sections \ 356 -ffreestanding -fno-builtin -fno-common \ 357 -Os -std=gnu99 358 359ifeq (${SANITIZE_UB},on) 360TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 361endif 362ifeq (${SANITIZE_UB},trap) 363TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 364 -fsanitize-undefined-trap-on-error 365endif 366 367GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 368 369# LD = armlink 370ifneq ($(findstring armlink,$(notdir $(LD))),) 371TF_LDFLAGS += --diag_error=warning --lto_level=O1 372TF_LDFLAGS += --remove --info=unused,unusedsymbols 373TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 374 375# LD = gcc (used when GCC LTO is enabled) 376else ifneq ($(findstring gcc,$(notdir $(LD))),) 377# Pass ld options with Wl or Xlinker switches 378TF_LDFLAGS += -Wl,--fatal-warnings -O1 379TF_LDFLAGS += -Wl,--gc-sections 380ifeq ($(ENABLE_LTO),1) 381 ifeq (${ARCH},aarch64) 382 TF_LDFLAGS += -flto -fuse-linker-plugin 383 endif 384endif 385# GCC automatically adds fix-cortex-a53-843419 flag when used to link 386# which breaks some builds, so disable if errata fix is not explicitly enabled 387ifneq (${ERRATA_A53_843419},1) 388 TF_LDFLAGS += -mno-fix-cortex-a53-843419 389endif 390TF_LDFLAGS += -nostdlib 391TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 392 393# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 394else 395TF_LDFLAGS += --fatal-warnings -O1 396TF_LDFLAGS += --gc-sections 397# ld.lld doesn't recognize the errata flags, 398# therefore don't add those in that case 399ifeq ($(findstring ld.lld,$(notdir $(LD))),) 400TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 401endif 402endif 403 404DTC_FLAGS += -I dts -O dtb 405DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \ 406 -x assembler-with-cpp $(DEFINES) 407 408ifeq ($(MEASURED_BOOT),1) 409DTC_CPPFLAGS += -DMEASURED_BOOT -DBL2_HASH_SIZE=${TCG_DIGEST_SIZE} 410endif 411 412################################################################################ 413# Common sources and include directories 414################################################################################ 415include lib/compiler-rt/compiler-rt.mk 416 417BL_COMMON_SOURCES += common/bl_common.c \ 418 common/tf_log.c \ 419 common/${ARCH}/debug.S \ 420 drivers/console/multi_console.c \ 421 lib/${ARCH}/cache_helpers.S \ 422 lib/${ARCH}/misc_helpers.S \ 423 plat/common/plat_bl_common.c \ 424 plat/common/plat_log_common.c \ 425 plat/common/${ARCH}/plat_common.c \ 426 plat/common/${ARCH}/platform_helpers.S \ 427 ${COMPILER_RT_SRCS} 428 429ifeq ($(notdir $(CC)),armclang) 430BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 431endif 432 433ifeq (${SANITIZE_UB},on) 434BL_COMMON_SOURCES += plat/common/ubsan.c 435endif 436 437INCLUDES += -Iinclude \ 438 -Iinclude/arch/${ARCH} \ 439 -Iinclude/lib/cpus/${ARCH} \ 440 -Iinclude/lib/el3_runtime/${ARCH} \ 441 ${PLAT_INCLUDES} \ 442 ${SPD_INCLUDES} 443 444include common/backtrace/backtrace.mk 445 446################################################################################ 447# Generic definitions 448################################################################################ 449 450include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 451 452BUILD_BASE := ./build 453BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 454 455SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 456 457# Platforms providing their own TBB makefile may override this value 458INCLUDE_TBBR_MK := 1 459 460 461################################################################################ 462# Include SPD Makefile if one has been specified 463################################################################################ 464 465ifneq (${SPD},none) 466 ifeq (${ARCH},aarch32) 467 $(error "Error: SPD is incompatible with AArch32.") 468 endif 469 470 ifdef EL3_PAYLOAD_BASE 471 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 472 $(warning "The SPD and its BL32 companion will be present but ignored.") 473 endif 474 475 ifeq (${SPD},spmd) 476 $(warning "SPMD is an experimental feature") 477 # SPMD is located in std_svc directory 478 SPD_DIR := std_svc 479 480 ifeq ($(SPMD_SPM_AT_SEL2),1) 481 ifeq ($(CTX_INCLUDE_EL2_REGS),0) 482 $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option) 483 endif 484 endif 485 else 486 # All other SPDs in spd directory 487 SPD_DIR := spd 488 endif 489 490 # We expect to locate an spd.mk under the specified SPD directory 491 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 492 493 ifeq (${SPD_MAKE},) 494 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 495 endif 496 $(info Including ${SPD_MAKE}) 497 include ${SPD_MAKE} 498 499 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 500 # Makefile would set NEED_BL32 to "yes". In this case, the build system 501 # supports two mutually exclusive options: 502 # * BL32 is built from source: then BL32_SOURCES must contain the list 503 # of source files to build BL32 504 # * BL32 is a prebuilt binary: then BL32 must point to the image file 505 # that will be included in the FIP 506 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 507 # over the sources. 508endif 509 510################################################################################ 511# Include the platform specific Makefile after the SPD Makefile (the platform 512# makefile may use all previous definitions in this file) 513################################################################################ 514 515include ${PLAT_MAKEFILE_FULL} 516 517$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 518 519ifeq (${ARM_ARCH_MAJOR},7) 520include make_helpers/armv7-a-cpus.mk 521endif 522 523PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 524ifneq ($(PIE_FOUND),) 525 TF_CFLAGS += -fno-PIE 526endif 527 528ifneq ($(findstring gcc,$(notdir $(LD))),) 529 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 530else 531 PIE_LDFLAGS += -pie --no-dynamic-linker 532endif 533 534ifeq ($(ENABLE_PIE),1) 535ifeq ($(BL2_AT_EL3),1) 536ifneq ($(BL2_IN_XIP_MEM),1) 537 BL2_CFLAGS += -fpie 538 BL2_LDFLAGS += $(PIE_LDFLAGS) 539endif 540endif 541 BL31_CFLAGS += -fpie 542 BL31_LDFLAGS += $(PIE_LDFLAGS) 543ifeq ($(ARCH),aarch64) 544 BL32_CFLAGS += -fpie 545 BL32_LDFLAGS += $(PIE_LDFLAGS) 546endif 547endif 548 549ifeq (${ARCH},aarch64) 550BL1_CPPFLAGS += -DIMAGE_AT_EL3 551ifeq ($(BL2_AT_EL3),1) 552BL2_CPPFLAGS += -DIMAGE_AT_EL3 553else 554BL2_CPPFLAGS += -DIMAGE_AT_EL1 555endif 556BL2U_CPPFLAGS += -DIMAGE_AT_EL1 557BL31_CPPFLAGS += -DIMAGE_AT_EL3 558BL32_CPPFLAGS += -DIMAGE_AT_EL1 559endif 560 561# Include the CPU specific operations makefile, which provides default 562# values for all CPU errata workarounds and CPU specific optimisations. 563# This can be overridden by the platform. 564include lib/cpus/cpu-ops.mk 565 566ifeq (${ARCH},aarch32) 567NEED_BL32 := yes 568 569################################################################################ 570# Build `AARCH32_SP` as BL32 image for AArch32 571################################################################################ 572ifneq (${AARCH32_SP},none) 573# We expect to locate an sp.mk under the specified AARCH32_SP directory 574AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 575 576ifeq (${AARCH32_SP_MAKE},) 577 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 578endif 579 580$(info Including ${AARCH32_SP_MAKE}) 581include ${AARCH32_SP_MAKE} 582endif 583 584endif 585 586################################################################################ 587# Include libc if not overridden 588################################################################################ 589ifeq (${OVERRIDE_LIBC},0) 590include lib/libc/libc.mk 591endif 592 593################################################################################ 594# Check incompatible options 595################################################################################ 596 597ifdef EL3_PAYLOAD_BASE 598 ifdef PRELOADED_BL33_BASE 599 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 600 incompatible build options. EL3_PAYLOAD_BASE has priority.") 601 endif 602 ifneq (${GENERATE_COT},0) 603 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 604 endif 605 ifneq (${TRUSTED_BOARD_BOOT},0) 606 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 607 endif 608endif 609 610ifeq (${NEED_BL33},yes) 611 ifdef EL3_PAYLOAD_BASE 612 $(warning "BL33 image is not needed when option \ 613 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 614 endif 615 ifdef PRELOADED_BL33_BASE 616 $(warning "BL33 image is not needed when option \ 617 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 618 file.") 619 endif 620endif 621 622# When building for systems with hardware-assisted coherency, there's no need to 623# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 624ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 625$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 626endif 627 628#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 629ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 630$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 631endif 632 633# For RAS_EXTENSION, require that EAs are handled in EL3 first 634ifeq ($(RAS_EXTENSION),1) 635 ifneq ($(HANDLE_EA_EL3_FIRST),1) 636 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 637 endif 638endif 639 640# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 641ifeq ($(FAULT_INJECTION_SUPPORT),1) 642 ifneq ($(RAS_EXTENSION),1) 643 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 644 endif 645endif 646 647# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 648ifeq ($(DYN_DISABLE_AUTH), 1) 649 ifeq (${TRUSTED_BOARD_BOOT}, 0) 650 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 651 endif 652endif 653 654# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 655ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 656$(error "SDEI_IN_FCONF is an experimental feature and is only supported when \ 657 SDEI_SUPPORT is enabled") 658endif 659 660# If pointer authentication is used in the firmware, make sure that all the 661# registers associated to it are also saved and restored. 662# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 663ifeq ($(ENABLE_PAUTH),1) 664 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 665 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 666 endif 667endif 668 669ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 670 ifneq (${ARCH},aarch64) 671 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 672 else 673 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 674 endif 675endif 676 677ifeq ($(ENABLE_PAUTH),1) 678 $(info Pointer Authentication is an experimental feature) 679endif 680 681ifeq ($(ENABLE_BTI),1) 682 $(info Branch Protection is an experimental feature) 683endif 684 685ifeq ($(CTX_INCLUDE_MTE_REGS),1) 686 ifneq (${ARCH},aarch64) 687 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 688 else 689 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 690 endif 691endif 692 693ifeq ($(MEASURED_BOOT),1) 694 ifneq (${TRUSTED_BOARD_BOOT},1) 695 $(error MEASURED_BOOT requires TRUSTED_BOARD_BOOT=1) 696 else 697 $(info MEASURED_BOOT is an experimental feature) 698 endif 699endif 700 701ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 702 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 703 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 704 endif 705endif 706 707ifneq (${DECRYPTION_SUPPORT},none) 708 ifeq (${TRUSTED_BOARD_BOOT}, 0) 709 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 710 else 711 $(info DECRYPTION_SUPPORT is an experimental feature) 712 endif 713endif 714 715################################################################################ 716# Process platform overrideable behaviour 717################################################################################ 718 719# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 720# Certificate generation tools. This flag can be overridden by the platform. 721ifdef BL2_SOURCES 722 ifdef EL3_PAYLOAD_BASE 723 # If booting an EL3 payload there is no need for a BL33 image 724 # in the FIP file. 725 NEED_BL33 := no 726 else 727 ifdef PRELOADED_BL33_BASE 728 # If booting a BL33 preloaded image there is no need of 729 # another one in the FIP file. 730 NEED_BL33 := no 731 else 732 NEED_BL33 ?= yes 733 endif 734 endif 735endif 736 737# If SCP_BL2 is given, we always want FIP to include it. 738ifdef SCP_BL2 739 NEED_SCP_BL2 := yes 740endif 741 742# For AArch32, BL31 is not currently supported. 743ifneq (${ARCH},aarch32) 744 ifdef BL31_SOURCES 745 # When booting an EL3 payload, there is no need to compile the BL31 image nor 746 # put it in the FIP. 747 ifndef EL3_PAYLOAD_BASE 748 NEED_BL31 := yes 749 endif 750 endif 751endif 752 753# Process TBB related flags 754ifneq (${GENERATE_COT},0) 755 # Common cert_create options 756 ifneq (${CREATE_KEYS},0) 757 $(eval CRT_ARGS += -n) 758 $(eval FWU_CRT_ARGS += -n) 759 ifneq (${SAVE_KEYS},0) 760 $(eval CRT_ARGS += -k) 761 $(eval FWU_CRT_ARGS += -k) 762 endif 763 endif 764 # Include TBBR makefile (unless the platform indicates otherwise) 765 ifeq (${INCLUDE_TBBR_MK},1) 766 include make_helpers/tbbr/tbbr_tools.mk 767 endif 768endif 769 770ifneq (${FIP_ALIGN},0) 771FIP_ARGS += --align ${FIP_ALIGN} 772endif 773 774################################################################################ 775# Include libraries' Makefile that are used in all BL 776################################################################################ 777 778include lib/stack_protector/stack_protector.mk 779 780################################################################################ 781# Auxiliary tools (fiptool, cert_create, etc) 782################################################################################ 783 784# Variables for use with Certificate Generation Tool 785CRTTOOLPATH ?= tools/cert_create 786CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 787 788# Variables for use with Firmware Encryption Tool 789ENCTOOLPATH ?= tools/encrypt_fw 790ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 791 792# Variables for use with Firmware Image Package 793FIPTOOLPATH ?= tools/fiptool 794FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 795 796# Variables for use with sptool 797SPTOOLPATH ?= tools/sptool 798SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 799SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 800 801# Variables for use with ROMLIB 802ROMLIBPATH ?= lib/romlib 803 804# Variable for use with Python 805PYTHON ?= python3 806 807# Variables for use with PRINT_MEMORY_MAP 808PRINT_MEMORY_MAP_PATH ?= tools/memory 809PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 810 811# Variables for use with documentation build using Sphinx tool 812DOCS_PATH ?= docs 813 814################################################################################ 815# Include BL specific makefiles 816################################################################################ 817ifdef BL1_SOURCES 818NEED_BL1 := yes 819include bl1/bl1.mk 820endif 821 822ifdef BL2_SOURCES 823NEED_BL2 := yes 824include bl2/bl2.mk 825endif 826 827ifdef BL2U_SOURCES 828NEED_BL2U := yes 829include bl2u/bl2u.mk 830endif 831 832ifeq (${NEED_BL31},yes) 833ifdef BL31_SOURCES 834include bl31/bl31.mk 835endif 836endif 837 838ifdef FDT_SOURCES 839NEED_FDT := yes 840endif 841 842################################################################################ 843# Build options checks 844################################################################################ 845 846$(eval $(call assert_boolean,ALLOW_RO_XLAT_TABLES)) 847$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 848$(eval $(call assert_boolean,CREATE_KEYS)) 849$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 850$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 851$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 852$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 853$(eval $(call assert_boolean,CTX_INCLUDE_EL2_REGS)) 854$(eval $(call assert_boolean,DEBUG)) 855$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 856$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 857$(eval $(call assert_boolean,ENABLE_AMU)) 858$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 859$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 860$(eval $(call assert_boolean,ENABLE_PIE)) 861$(eval $(call assert_boolean,ENABLE_PMF)) 862$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 863$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 864$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 865$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 866$(eval $(call assert_boolean,ERROR_DEPRECATED)) 867$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 868$(eval $(call assert_boolean,GENERATE_COT)) 869$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 870$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 871$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 872$(eval $(call assert_boolean,INVERTED_MEMMAP)) 873$(eval $(call assert_boolean,MEASURED_BOOT)) 874$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 875$(eval $(call assert_boolean,OVERRIDE_LIBC)) 876$(eval $(call assert_boolean,PL011_GENERIC_UART)) 877$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 878$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 879$(eval $(call assert_boolean,RAS_EXTENSION)) 880$(eval $(call assert_boolean,RESET_TO_BL31)) 881$(eval $(call assert_boolean,SAVE_KEYS)) 882$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 883$(eval $(call assert_boolean,SEPARATE_NOBITS_REGION)) 884$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 885$(eval $(call assert_boolean,SPM_MM)) 886$(eval $(call assert_boolean,SPMD_SPM_AT_SEL2)) 887$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 888$(eval $(call assert_boolean,USE_COHERENT_MEM)) 889$(eval $(call assert_boolean,USE_DEBUGFS)) 890$(eval $(call assert_boolean,ARM_IO_IN_DTB)) 891$(eval $(call assert_boolean,SDEI_IN_FCONF)) 892$(eval $(call assert_boolean,SEC_INT_DESC_IN_FCONF)) 893$(eval $(call assert_boolean,USE_ROMLIB)) 894$(eval $(call assert_boolean,USE_TBBR_DEFS)) 895$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 896$(eval $(call assert_boolean,BL2_AT_EL3)) 897$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 898$(eval $(call assert_boolean,BL2_INV_DCACHE)) 899$(eval $(call assert_boolean,USE_SPINLOCK_CAS)) 900$(eval $(call assert_boolean,ENCRYPT_BL31)) 901$(eval $(call assert_boolean,ENCRYPT_BL32)) 902$(eval $(call assert_boolean,ERRATA_SPECULATIVE_AT)) 903 904$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 905$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 906$(eval $(call assert_numeric,BRANCH_PROTECTION)) 907$(eval $(call assert_numeric,FW_ENC_STATUS)) 908 909ifdef KEY_SIZE 910 $(eval $(call assert_numeric,KEY_SIZE)) 911endif 912 913ifeq ($(filter $(SANITIZE_UB), on off trap),) 914 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 915endif 916 917################################################################################ 918# Add definitions to the cpp preprocessor based on the current build options. 919# This is done after including the platform specific makefile to allow the 920# platform to overwrite the default options 921################################################################################ 922 923$(eval $(call add_define,ALLOW_RO_XLAT_TABLES)) 924$(eval $(call add_define,ARM_ARCH_MAJOR)) 925$(eval $(call add_define,ARM_ARCH_MINOR)) 926$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 927$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 928$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 929$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 930$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 931$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 932$(eval $(call add_define,CTX_INCLUDE_EL2_REGS)) 933$(eval $(call add_define,DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT})) 934$(eval $(call add_define,ENABLE_AMU)) 935$(eval $(call add_define,ENABLE_ASSERTIONS)) 936$(eval $(call add_define,ENABLE_BTI)) 937$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 938$(eval $(call add_define,ENABLE_PAUTH)) 939$(eval $(call add_define,ENABLE_PIE)) 940$(eval $(call add_define,ENABLE_PMF)) 941$(eval $(call add_define,ENABLE_PSCI_STAT)) 942$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 943$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 944$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 945$(eval $(call add_define,ENCRYPT_BL31)) 946$(eval $(call add_define,ENCRYPT_BL32)) 947$(eval $(call add_define,ERROR_DEPRECATED)) 948$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 949$(eval $(call add_define,GICV2_G0_FOR_EL3)) 950$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 951$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 952$(eval $(call add_define,LOG_LEVEL)) 953$(eval $(call add_define,MEASURED_BOOT)) 954$(eval $(call add_define,NS_TIMER_SWITCH)) 955$(eval $(call add_define,PL011_GENERIC_UART)) 956$(eval $(call add_define,PLAT_${PLAT})) 957$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 958$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 959$(eval $(call add_define,RAS_EXTENSION)) 960$(eval $(call add_define,RESET_TO_BL31)) 961$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 962$(eval $(call add_define,SEPARATE_NOBITS_REGION)) 963$(eval $(call add_define,RECLAIM_INIT_CODE)) 964$(eval $(call add_define,SPD_${SPD})) 965$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 966$(eval $(call add_define,SPM_MM)) 967$(eval $(call add_define,SPMD_SPM_AT_SEL2)) 968$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 969$(eval $(call add_define,USE_COHERENT_MEM)) 970$(eval $(call add_define,USE_DEBUGFS)) 971$(eval $(call add_define,ARM_IO_IN_DTB)) 972$(eval $(call add_define,SDEI_IN_FCONF)) 973$(eval $(call add_define,SEC_INT_DESC_IN_FCONF)) 974$(eval $(call add_define,USE_ROMLIB)) 975$(eval $(call add_define,USE_TBBR_DEFS)) 976$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 977$(eval $(call add_define,BL2_AT_EL3)) 978$(eval $(call add_define,BL2_IN_XIP_MEM)) 979$(eval $(call add_define,BL2_INV_DCACHE)) 980$(eval $(call add_define,USE_SPINLOCK_CAS)) 981$(eval $(call add_define,ERRATA_SPECULATIVE_AT)) 982 983ifeq (${SANITIZE_UB},trap) 984 $(eval $(call add_define,MONITOR_TRAPS)) 985endif 986 987# Define the EL3_PAYLOAD_BASE flag only if it is provided. 988ifdef EL3_PAYLOAD_BASE 989 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 990else 991 # Define the PRELOADED_BL33_BASE flag only if it is provided and 992 # EL3_PAYLOAD_BASE is not defined, as it has priority. 993 ifdef PRELOADED_BL33_BASE 994 $(eval $(call add_define,PRELOADED_BL33_BASE)) 995 endif 996endif 997 998# Define the DYN_DISABLE_AUTH flag only if set. 999ifeq (${DYN_DISABLE_AUTH},1) 1000$(eval $(call add_define,DYN_DISABLE_AUTH)) 1001endif 1002 1003ifneq ($(findstring armlink,$(notdir $(LD))),) 1004$(eval $(call add_define,USE_ARM_LINK)) 1005endif 1006 1007# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1008ifeq (${SPD},spmd) 1009ifdef SP_LAYOUT_FILE 1010 ifeq (${SPMD_SPM_AT_SEL2},0) 1011 $(error "SPMD with SPM at S-EL1 does not require SP_LAYOUT_FILE") 1012 endif 1013 -include $(BUILD_PLAT)/sp_gen.mk 1014 FIP_DEPS += sp 1015 CRT_DEPS += sp 1016 NEED_SP_PKG := yes 1017else 1018 ifeq (${SPMD_SPM_AT_SEL2},1) 1019 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1020 endif 1021endif 1022endif 1023 1024################################################################################ 1025# Build targets 1026################################################################################ 1027 1028.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1029.SUFFIXES: 1030 1031all: msg_start 1032 1033msg_start: 1034 @echo "Building ${PLAT}" 1035 1036ifeq (${ERROR_DEPRECATED},0) 1037# Check if deprecated declarations and cpp warnings should be treated as error or not. 1038ifneq ($(findstring clang,$(notdir $(CC))),) 1039 CPPFLAGS += -Wno-error=deprecated-declarations 1040else 1041 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1042endif 1043# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 1044ASFLAGS += -D__ASSEMBLY__ 1045# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 1046ifeq (${ARCH},aarch32) 1047 $(eval $(call add_define,AARCH32)) 1048else 1049 $(eval $(call add_define,AARCH64)) 1050endif 1051endif # !ERROR_DEPRECATED 1052 1053$(eval $(call MAKE_LIB_DIRS)) 1054$(eval $(call MAKE_LIB,c)) 1055 1056# Expand build macros for the different images 1057ifeq (${NEED_BL1},yes) 1058$(eval $(call MAKE_BL,1)) 1059endif 1060 1061ifeq (${NEED_BL2},yes) 1062ifeq (${BL2_AT_EL3}, 0) 1063FIP_BL2_ARGS := tb-fw 1064endif 1065 1066$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1067 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 1068endif 1069 1070ifeq (${NEED_SCP_BL2},yes) 1071$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1072endif 1073 1074ifeq (${NEED_BL31},yes) 1075BL31_SOURCES += ${SPD_SOURCES} 1076# Sort BL31 source files to remove duplicates 1077BL31_SOURCES := $(sort ${BL31_SOURCES}) 1078ifneq (${DECRYPTION_SUPPORT},none) 1079$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1080 $(eval $(call MAKE_BL,31,soc-fw,,$(ENCRYPT_BL31)))) 1081else 1082$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1083 $(eval $(call MAKE_BL,31,soc-fw))) 1084endif 1085endif 1086 1087# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1088# build system will call TOOL_ADD_IMG to print a warning message and abort the 1089# process. Note that the dependency on BL32 applies to the FIP only. 1090ifeq (${NEED_BL32},yes) 1091# Sort BL32 source files to remove duplicates 1092BL32_SOURCES := $(sort ${BL32_SOURCES}) 1093BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1094 1095ifneq (${DECRYPTION_SUPPORT},none) 1096$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw,,$(ENCRYPT_BL32))),\ 1097 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1098else 1099$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 1100 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1101endif 1102endif 1103 1104# Add the BL33 image if required by the platform 1105ifeq (${NEED_BL33},yes) 1106$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1107endif 1108 1109ifeq (${NEED_BL2U},yes) 1110$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1111 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 1112endif 1113 1114# Expand build macros for the different images 1115ifeq (${NEED_FDT},yes) 1116 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1117endif 1118 1119# Add Secure Partition packages 1120ifeq (${NEED_SP_PKG},yes) 1121$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1122 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) 1123sp: $(SPTOOL) $(DTBS) $(BUILD_PLAT)/sp_gen.mk 1124 ${Q}$(SPTOOL) $(SPTOOL_ARGS) 1125 @${ECHO_BLANK_LINE} 1126 @echo "Built SP Images successfully" 1127 @${ECHO_BLANK_LINE} 1128endif 1129 1130locate-checkpatch: 1131ifndef CHECKPATCH 1132 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1133else 1134ifeq (,$(wildcard ${CHECKPATCH})) 1135 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1136endif 1137endif 1138 1139clean: 1140 @echo " CLEAN" 1141 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1142 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1143 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1144 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1145 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1146 1147realclean distclean: 1148 @echo " REALCLEAN" 1149 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1150 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1151 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1152 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 1153 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1154 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1155 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1156 1157checkcodebase: locate-checkpatch 1158 @echo " CHECKING STYLE" 1159 @if test -d .git ; then \ 1160 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1161 while read GIT_FILE ; \ 1162 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1163 done ; \ 1164 else \ 1165 find . -type f -not -iwholename "*.git*" \ 1166 -not -iwholename "*build*" \ 1167 -not -iwholename "*libfdt*" \ 1168 -not -iwholename "*libc*" \ 1169 -not -iwholename "*docs*" \ 1170 -not -iwholename "*.rst" \ 1171 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1172 fi 1173 1174checkpatch: locate-checkpatch 1175 @echo " CHECKING STYLE" 1176 @if test -n "${CHECKPATCH_OPTS}"; then \ 1177 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1178 fi 1179 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1180 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 1181 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1182 git log --format=email "$$commit~..$$commit" \ 1183 -- ${CHECK_PATHS} | \ 1184 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1185 git diff --format=email "$$commit~..$$commit" \ 1186 -- ${CHECK_PATHS} | \ 1187 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1188 done 1189 1190certtool: ${CRTTOOL} 1191 1192.PHONY: ${CRTTOOL} 1193${CRTTOOL}: 1194 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} --no-print-directory -C ${CRTTOOLPATH} 1195 @${ECHO_BLANK_LINE} 1196 @echo "Built $@ successfully" 1197 @${ECHO_BLANK_LINE} 1198 1199ifneq (${GENERATE_COT},0) 1200certificates: ${CRT_DEPS} ${CRTTOOL} 1201 ${Q}${CRTTOOL} ${CRT_ARGS} 1202 @${ECHO_BLANK_LINE} 1203 @echo "Built $@ successfully" 1204 @echo "Certificates can be found in ${BUILD_PLAT}" 1205 @${ECHO_BLANK_LINE} 1206endif 1207 1208${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1209 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1210 ${Q}${FIPTOOL} info $@ 1211 @${ECHO_BLANK_LINE} 1212 @echo "Built $@ successfully" 1213 @${ECHO_BLANK_LINE} 1214 1215ifneq (${GENERATE_COT},0) 1216fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1217 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1218 @${ECHO_BLANK_LINE} 1219 @echo "Built $@ successfully" 1220 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1221 @${ECHO_BLANK_LINE} 1222endif 1223 1224${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1225 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1226 ${Q}${FIPTOOL} info $@ 1227 @${ECHO_BLANK_LINE} 1228 @echo "Built $@ successfully" 1229 @${ECHO_BLANK_LINE} 1230 1231fiptool: ${FIPTOOL} 1232fip: ${BUILD_PLAT}/${FIP_NAME} 1233fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1234 1235.PHONY: ${FIPTOOL} 1236${FIPTOOL}: 1237 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 1238 1239sptool: ${SPTOOL} 1240.PHONY: ${SPTOOL} 1241${SPTOOL}: 1242 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 1243 1244.PHONY: libraries 1245romlib.bin: libraries 1246 ${Q}${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 1247 1248# Call print_memory_map tool 1249memmap: all 1250 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1251 1252doc: 1253 @echo " BUILD DOCUMENTATION" 1254 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1255 1256enctool: ${ENCTOOL} 1257 1258.PHONY: ${ENCTOOL} 1259${ENCTOOL}: 1260 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 --no-print-directory -C ${ENCTOOLPATH} 1261 @${ECHO_BLANK_LINE} 1262 @echo "Built $@ successfully" 1263 @${ECHO_BLANK_LINE} 1264 1265cscope: 1266 @echo " CSCOPE" 1267 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1268 ${Q}cscope -b -q -k 1269 1270help: 1271 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1272 @echo "" 1273 @echo "PLAT is used to specify which platform you wish to build." 1274 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1275 @echo "" 1276 @echo "platform = ${PLATFORM_LIST}" 1277 @echo "" 1278 @echo "Please refer to the User Guide for a list of all supported options." 1279 @echo "Note that the build system doesn't track dependencies for build " 1280 @echo "options. Therefore, if any of the build options are changed " 1281 @echo "from a previous build, a clean build must be performed." 1282 @echo "" 1283 @echo "Supported Targets:" 1284 @echo " all Build all individual bootloader binaries" 1285 @echo " bl1 Build the BL1 binary" 1286 @echo " bl2 Build the BL2 binary" 1287 @echo " bl2u Build the BL2U binary" 1288 @echo " bl31 Build the BL31 binary" 1289 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1290 @echo " this builds secure payload specified by AARCH32_SP" 1291 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1292 @echo " fip Build the Firmware Image Package (FIP)" 1293 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1294 @echo " checkcodebase Check the coding style of the entire source tree" 1295 @echo " checkpatch Check the coding style on changes in the current" 1296 @echo " branch against BASE_COMMIT (default origin/master)" 1297 @echo " clean Clean the build for the selected platform" 1298 @echo " cscope Generate cscope index" 1299 @echo " distclean Remove all build artifacts for all platforms" 1300 @echo " certtool Build the Certificate generation tool" 1301 @echo " enctool Build the Firmware encryption tool" 1302 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1303 @echo " sp Build the Secure Partition Packages" 1304 @echo " sptool Build the Secure Partition Package creation tool" 1305 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1306 @echo " memmap Print the memory map of the built binaries" 1307 @echo " doc Build html based documentation using Sphinx tool" 1308 @echo "" 1309 @echo "Note: most build targets require PLAT to be set to a specific platform." 1310 @echo "" 1311 @echo "example: build all targets for the FVP platform:" 1312 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1313