1# 2# Copyright (c) 2013-2019, 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 := 0 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_LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 43 include/lib/libfdt \ 44 include/lib/libc, \ 45 $(wildcard include/lib/*))) 46INC_DIRS_TO_CHECK := $(sort $(filter-out \ 47 include/lib, \ 48 $(wildcard include/*))) 49LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 50 lib/compiler-rt \ 51 lib/libfdt% \ 52 lib/libc, \ 53 $(wildcard lib/*))) 54ROOT_DIRS_TO_CHECK := $(sort $(filter-out \ 55 lib \ 56 include \ 57 docs \ 58 %.md, \ 59 $(wildcard *))) 60CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \ 61 ${INC_DIRS_TO_CHECK} \ 62 ${INC_LIB_DIRS_TO_CHECK} \ 63 ${LIB_DIRS_TO_CHECK} 64 65 66################################################################################ 67# Process build options 68################################################################################ 69 70# Verbose flag 71ifeq (${V},0) 72 Q:=@ 73 ECHO:=@echo 74 CHECKCODE_ARGS += --no-summary --terse 75else 76 Q:= 77 ECHO:=$(ECHO_QUIET) 78endif 79 80ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) 81 Q:=@ 82 ECHO:=$(ECHO_QUIET) 83endif 84 85export Q ECHO 86 87# Process Debug flag 88$(eval $(call add_define,DEBUG)) 89ifneq (${DEBUG}, 0) 90 BUILD_TYPE := debug 91 TF_CFLAGS += -g 92 93 ifneq ($(findstring clang,$(notdir $(CC))),) 94 ASFLAGS += -g 95 else 96 ASFLAGS += -g -Wa,--gdwarf-2 97 endif 98 99 # Use LOG_LEVEL_INFO by default for debug builds 100 LOG_LEVEL := 40 101else 102 BUILD_TYPE := release 103 # Use LOG_LEVEL_NOTICE by default for release builds 104 LOG_LEVEL := 20 105endif 106 107# Default build string (git branch and commit) 108ifeq (${BUILD_STRING},) 109 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 110endif 111VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 112 113# The cert_create tool cannot generate certificates individually, so we use the 114# target 'certificates' to create them all 115ifneq (${GENERATE_COT},0) 116 FIP_DEPS += certificates 117 FWU_FIP_DEPS += fwu_certificates 118endif 119 120 121################################################################################ 122# Toolchain 123################################################################################ 124 125HOSTCC := gcc 126export HOSTCC 127 128CC := ${CROSS_COMPILE}gcc 129CPP := ${CROSS_COMPILE}cpp 130AS := ${CROSS_COMPILE}gcc 131AR := ${CROSS_COMPILE}ar 132LINKER := ${CROSS_COMPILE}ld 133OC := ${CROSS_COMPILE}objcopy 134OD := ${CROSS_COMPILE}objdump 135NM := ${CROSS_COMPILE}nm 136PP := ${CROSS_COMPILE}gcc -E 137DTC := dtc 138 139# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 140ifneq ($(strip $(wildcard ${LD}.bfd) \ 141 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 142LINKER := ${LINKER}.bfd 143endif 144 145ifeq (${ARM_ARCH_MAJOR},7) 146target32-directive = -target arm-none-eabi 147# Will set march32-directive from platform configuration 148else 149target32-directive = -target armv8a-none-eabi 150march32-directive = -march=armv8-a 151endif 152 153ifneq ($(findstring armclang,$(notdir $(CC))),) 154TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 155TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi -march=armv8-a 156LD = $(LINKER) 157AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 158CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 159PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 160else ifneq ($(findstring clang,$(notdir $(CC))),) 161TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 162TF_CFLAGS_aarch64 = -target aarch64-elf 163LD = $(LINKER) 164AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 165CPP = $(CC) -E 166PP = $(CC) -E 167else 168TF_CFLAGS_aarch32 = $(march32-directive) 169TF_CFLAGS_aarch64 = -march=armv8-a 170LD = $(LINKER) 171endif 172 173ifeq (${AARCH32_INSTRUCTION_SET},A32) 174TF_CFLAGS_aarch32 += -marm 175else ifeq (${AARCH32_INSTRUCTION_SET},T32) 176TF_CFLAGS_aarch32 += -mthumb 177else 178$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 179endif 180 181TF_CFLAGS_aarch32 += -mno-unaligned-access 182TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 183 184ASFLAGS_aarch32 = $(march32-directive) 185ASFLAGS_aarch64 = -march=armv8-a 186 187# Set the compiler to ARMv8.3 mode so that it uses all the ARMv8.3-PAuth 188# instructions. Keeping it in 8.0 would make the compiler emit 189# backwards-compatible hint instructions, which needs more space. 190ifeq (${ENABLE_PAUTH},1) 191TF_CFLAGS_aarch64 += -march=armv8.3-a 192ASFLAGS_aarch64 += -march=armv8.3-a 193endif 194 195WARNING1 := -Wextra 196WARNING1 += -Wunused -Wno-unused-parameter 197WARNING1 += -Wmissing-declarations 198WARNING1 += -Wmissing-format-attribute 199WARNING1 += -Wmissing-prototypes 200WARNING1 += -Wold-style-definition 201WARNING1 += -Wunused-but-set-variable 202WARNING1 += -Wunused-const-variable 203 204WARNING2 := -Waggregate-return 205WARNING2 += -Wcast-align 206WARNING2 += -Wdisabled-optimization 207WARNING2 += -Wnested-externs 208WARNING2 += -Wshadow 209WARNING2 += -Wlogical-op 210WARNING2 += -Wmissing-field-initializers 211WARNING2 += -Wsign-compare 212WARNING2 += -Wmaybe-uninitialized 213 214WARNING3 := -Wbad-function-cast 215WARNING3 += -Wcast-qual 216WARNING3 += -Wconversion 217WARNING3 += -Wpacked 218WARNING3 += -Wpadded 219WARNING3 += -Wpointer-arith 220WARNING3 += -Wredundant-decls 221WARNING3 += -Wswitch-default 222WARNING3 += -Wpacked-bitfield-compat 223WARNING3 += -Wvla 224 225ifeq (${W},1) 226WARNINGS := $(WARNING1) 227else ifeq (${W},2) 228WARNINGS := $(WARNING1) $(WARNING2) 229else ifeq (${W},3) 230WARNINGS := $(WARNING1) $(WARNING2) $(WARNING3) 231endif 232 233ifneq (${E},0) 234ERRORS := -Werror 235endif 236 237CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 238 -Wmissing-include-dirs $(ERRORS) $(WARNINGS) 239ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 240 -D__ASSEMBLY__ -ffreestanding \ 241 -Wa,--fatal-warnings 242TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 243 -ffreestanding -fno-builtin -Wall -std=gnu99 \ 244 -Os -ffunction-sections -fdata-sections 245 246GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 247 248ifneq ($(findstring armlink,$(notdir $(LD))),) 249TF_LDFLAGS += --diag_error=warning --lto_level=O1 250TF_LDFLAGS += --remove --info=unused,unusedsymbols 251else 252TF_LDFLAGS += --fatal-warnings -O1 253TF_LDFLAGS += --gc-sections 254endif 255TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 256 257DTC_FLAGS += -I dts -O dtb 258DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 259 260################################################################################ 261# Common sources and include directories 262################################################################################ 263include lib/compiler-rt/compiler-rt.mk 264 265BL_COMMON_SOURCES += common/bl_common.c \ 266 common/tf_log.c \ 267 common/${ARCH}/debug.S \ 268 drivers/console/multi_console.c \ 269 lib/${ARCH}/cache_helpers.S \ 270 lib/${ARCH}/misc_helpers.S \ 271 plat/common/plat_bl_common.c \ 272 plat/common/plat_log_common.c \ 273 plat/common/${ARCH}/plat_common.c \ 274 plat/common/${ARCH}/platform_helpers.S \ 275 ${COMPILER_RT_SRCS} 276 277ifeq ($(notdir $(CC)),armclang) 278BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 279endif 280 281INCLUDES += -Iinclude \ 282 -Iinclude/arch/${ARCH} \ 283 -Iinclude/lib/cpus/${ARCH} \ 284 -Iinclude/lib/el3_runtime/${ARCH} \ 285 ${PLAT_INCLUDES} \ 286 ${SPD_INCLUDES} 287 288ifeq (${ERROR_DEPRECATED},0) 289INCLUDES += -Iinclude/bl1 \ 290 -Iinclude/bl2 \ 291 -Iinclude/bl2u \ 292 -Iinclude/bl31 \ 293 -Iinclude/drivers \ 294 -Iinclude/drivers/arm \ 295 -Iinclude/drivers/auth \ 296 -Iinclude/drivers/io \ 297 -Iinclude/drivers/ti/uart \ 298 -Iinclude/lib \ 299 -Iinclude/lib/cpus \ 300 -Iinclude/lib/el3_runtime \ 301 -Iinclude/lib/extensions \ 302 -Iinclude/lib/pmf \ 303 -Iinclude/lib/psci \ 304 -Iinclude/lib/xlat_tables \ 305 -Iinclude/plat/common \ 306 -Iinclude/services \ 307 -Iinclude/tools_share 308endif 309 310include common/backtrace/backtrace.mk 311 312################################################################################ 313# Generic definitions 314################################################################################ 315 316include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 317 318BUILD_BASE := ./build 319BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 320 321SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 322 323# Platforms providing their own TBB makefile may override this value 324INCLUDE_TBBR_MK := 1 325 326 327################################################################################ 328# Include SPD Makefile if one has been specified 329################################################################################ 330 331ifneq (${SPD},none) 332ifeq (${ARCH},aarch32) 333 $(error "Error: SPD is incompatible with AArch32.") 334endif 335ifdef EL3_PAYLOAD_BASE 336 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 337 $(warning "The SPD and its BL32 companion will be present but ignored.") 338endif 339 # We expect to locate an spd.mk under the specified SPD directory 340 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 341 342 ifeq (${SPD_MAKE},) 343 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 344 endif 345 $(info Including ${SPD_MAKE}) 346 include ${SPD_MAKE} 347 348 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 349 # Makefile would set NEED_BL32 to "yes". In this case, the build system 350 # supports two mutually exclusive options: 351 # * BL32 is built from source: then BL32_SOURCES must contain the list 352 # of source files to build BL32 353 # * BL32 is a prebuilt binary: then BL32 must point to the image file 354 # that will be included in the FIP 355 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 356 # over the sources. 357endif 358 359################################################################################ 360# Include the platform specific Makefile after the SPD Makefile (the platform 361# makefile may use all previous definitions in this file) 362################################################################################ 363 364include ${PLAT_MAKEFILE_FULL} 365 366$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 367 368ifeq (${ARM_ARCH_MAJOR},7) 369include make_helpers/armv7-a-cpus.mk 370endif 371 372ifeq ($(ENABLE_PIE),1) 373 TF_CFLAGS += -fpie 374 TF_LDFLAGS += -pie 375else 376 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 377 ifneq ($(PIE_FOUND),) 378 TF_CFLAGS += -fno-PIE 379 endif 380endif 381 382# Include the CPU specific operations makefile, which provides default 383# values for all CPU errata workarounds and CPU specific optimisations. 384# This can be overridden by the platform. 385include lib/cpus/cpu-ops.mk 386 387ifeq (${ARCH},aarch32) 388NEED_BL32 := yes 389 390################################################################################ 391# Build `AARCH32_SP` as BL32 image for AArch32 392################################################################################ 393ifneq (${AARCH32_SP},none) 394# We expect to locate an sp.mk under the specified AARCH32_SP directory 395AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 396 397ifeq (${AARCH32_SP_MAKE},) 398 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 399endif 400 401$(info Including ${AARCH32_SP_MAKE}) 402include ${AARCH32_SP_MAKE} 403endif 404 405endif 406 407################################################################################ 408# Include libc if not overridden 409################################################################################ 410ifeq (${OVERRIDE_LIBC},0) 411include lib/libc/libc.mk 412endif 413 414################################################################################ 415# Check incompatible options 416################################################################################ 417 418ifdef EL3_PAYLOAD_BASE 419 ifdef PRELOADED_BL33_BASE 420 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 421 incompatible build options. EL3_PAYLOAD_BASE has priority.") 422 endif 423 ifneq (${GENERATE_COT},0) 424 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 425 endif 426 ifneq (${TRUSTED_BOARD_BOOT},0) 427 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 428 endif 429endif 430 431ifeq (${NEED_BL33},yes) 432 ifdef EL3_PAYLOAD_BASE 433 $(warning "BL33 image is not needed when option \ 434 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 435 endif 436 ifdef PRELOADED_BL33_BASE 437 $(warning "BL33 image is not needed when option \ 438 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 439 file.") 440 endif 441endif 442 443# When building for systems with hardware-assisted coherency, there's no need to 444# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 445ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 446$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 447endif 448 449#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 450ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 451$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 452endif 453 454# For RAS_EXTENSION, require that EAs are handled in EL3 first 455ifeq ($(RAS_EXTENSION),1) 456 ifneq ($(HANDLE_EA_EL3_FIRST),1) 457 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 458 endif 459endif 460 461# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 462ifeq ($(FAULT_INJECTION_SUPPORT),1) 463 ifneq ($(RAS_EXTENSION),1) 464 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 465 endif 466endif 467 468# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 469ifeq ($(DYN_DISABLE_AUTH), 1) 470 ifeq (${TRUSTED_BOARD_BOOT}, 0) 471 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 472 endif 473endif 474 475# If pointer authentication is used in the firmware, make sure that all the 476# registers associated to it are also saved and restored. Not doing it would 477# leak the value of the key used by EL3 to EL1 and S-EL1. 478ifeq ($(ENABLE_PAUTH),1) 479 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 480 $(error ENABLE_PAUTH=1 requires CTX_INCLUDE_PAUTH_REGS=1) 481 endif 482endif 483 484################################################################################ 485# Process platform overrideable behaviour 486################################################################################ 487 488# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be 489# supplied for the FIP and Certificate generation tools. This flag can be 490# overridden by the platform. 491ifdef BL2_SOURCES 492 ifdef EL3_PAYLOAD_BASE 493 # If booting an EL3 payload there is no need for a BL33 image 494 # in the FIP file. 495 NEED_BL33 := no 496 else 497 ifdef PRELOADED_BL33_BASE 498 # If booting a BL33 preloaded image there is no need of 499 # another one in the FIP file. 500 NEED_BL33 := no 501 else 502 NEED_BL33 ?= yes 503 endif 504 endif 505endif 506 507# If SCP_BL2 is given, we always want FIP to include it. 508ifdef SCP_BL2 509 NEED_SCP_BL2 := yes 510endif 511 512# For AArch32, BL31 is not currently supported. 513ifneq (${ARCH},aarch32) 514 ifdef BL31_SOURCES 515 # When booting an EL3 payload, there is no need to compile the BL31 image nor 516 # put it in the FIP. 517 ifndef EL3_PAYLOAD_BASE 518 NEED_BL31 := yes 519 endif 520 endif 521endif 522 523# Process TBB related flags 524ifneq (${GENERATE_COT},0) 525 # Common cert_create options 526 ifneq (${CREATE_KEYS},0) 527 $(eval CRT_ARGS += -n) 528 $(eval FWU_CRT_ARGS += -n) 529 ifneq (${SAVE_KEYS},0) 530 $(eval CRT_ARGS += -k) 531 $(eval FWU_CRT_ARGS += -k) 532 endif 533 endif 534 # Include TBBR makefile (unless the platform indicates otherwise) 535 ifeq (${INCLUDE_TBBR_MK},1) 536 include make_helpers/tbbr/tbbr_tools.mk 537 endif 538endif 539 540ifneq (${FIP_ALIGN},0) 541FIP_ARGS += --align ${FIP_ALIGN} 542endif 543 544################################################################################ 545# Include libraries' Makefile that are used in all BL 546################################################################################ 547 548include lib/stack_protector/stack_protector.mk 549 550################################################################################ 551# Auxiliary tools (fiptool, cert_create, etc) 552################################################################################ 553 554# Variables for use with Certificate Generation Tool 555CRTTOOLPATH ?= tools/cert_create 556CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 557 558# Variables for use with Firmware Image Package 559FIPTOOLPATH ?= tools/fiptool 560FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 561 562# Variables for use with sptool 563SPTOOLPATH ?= tools/sptool 564SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 565 566# Variables for use with ROMLIB 567ROMLIBPATH ?= lib/romlib 568 569################################################################################ 570# Include BL specific makefiles 571################################################################################ 572ifdef BL1_SOURCES 573NEED_BL1 := yes 574include bl1/bl1.mk 575endif 576 577ifdef BL2_SOURCES 578NEED_BL2 := yes 579include bl2/bl2.mk 580endif 581 582ifdef BL2U_SOURCES 583NEED_BL2U := yes 584include bl2u/bl2u.mk 585endif 586 587ifeq (${NEED_BL31},yes) 588ifdef BL31_SOURCES 589include bl31/bl31.mk 590endif 591endif 592 593ifdef FDT_SOURCES 594NEED_FDT := yes 595endif 596 597################################################################################ 598# Build options checks 599################################################################################ 600 601$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 602$(eval $(call assert_boolean,CREATE_KEYS)) 603$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 604$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 605$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 606$(eval $(call assert_boolean,DEBUG)) 607$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 608$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 609$(eval $(call assert_boolean,ENABLE_AMU)) 610$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 611$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 612$(eval $(call assert_boolean,ENABLE_PAUTH)) 613$(eval $(call assert_boolean,ENABLE_PIE)) 614$(eval $(call assert_boolean,ENABLE_PMF)) 615$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 616$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 617$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 618$(eval $(call assert_boolean,ENABLE_SPM)) 619$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 620$(eval $(call assert_boolean,ERROR_DEPRECATED)) 621$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 622$(eval $(call assert_boolean,GENERATE_COT)) 623$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 624$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 625$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 626$(eval $(call assert_boolean,MULTI_CONSOLE_API)) 627$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 628$(eval $(call assert_boolean,OVERRIDE_LIBC)) 629$(eval $(call assert_boolean,PL011_GENERIC_UART)) 630$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 631$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 632$(eval $(call assert_boolean,RAS_EXTENSION)) 633$(eval $(call assert_boolean,RESET_TO_BL31)) 634$(eval $(call assert_boolean,SAVE_KEYS)) 635$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 636$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 637$(eval $(call assert_boolean,SPM_MM)) 638$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 639$(eval $(call assert_boolean,USE_COHERENT_MEM)) 640$(eval $(call assert_boolean,USE_ROMLIB)) 641$(eval $(call assert_boolean,USE_TBBR_DEFS)) 642$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 643$(eval $(call assert_boolean,BL2_AT_EL3)) 644$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 645 646$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 647$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 648 649################################################################################ 650# Add definitions to the cpp preprocessor based on the current build options. 651# This is done after including the platform specific makefile to allow the 652# platform to overwrite the default options 653################################################################################ 654 655$(eval $(call add_define,ARM_ARCH_MAJOR)) 656$(eval $(call add_define,ARM_ARCH_MINOR)) 657$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 658$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 659$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 660$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 661$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 662$(eval $(call add_define,ENABLE_AMU)) 663$(eval $(call add_define,ENABLE_ASSERTIONS)) 664$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 665$(eval $(call add_define,ENABLE_PAUTH)) 666$(eval $(call add_define,ENABLE_PIE)) 667$(eval $(call add_define,ENABLE_PMF)) 668$(eval $(call add_define,ENABLE_PSCI_STAT)) 669$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 670$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 671$(eval $(call add_define,ENABLE_SPM)) 672$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 673$(eval $(call add_define,ERROR_DEPRECATED)) 674$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 675$(eval $(call add_define,GICV2_G0_FOR_EL3)) 676$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 677$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 678$(eval $(call add_define,LOG_LEVEL)) 679$(eval $(call add_define,MULTI_CONSOLE_API)) 680$(eval $(call add_define,NS_TIMER_SWITCH)) 681$(eval $(call add_define,PL011_GENERIC_UART)) 682$(eval $(call add_define,PLAT_${PLAT})) 683$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 684$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 685$(eval $(call add_define,RAS_EXTENSION)) 686$(eval $(call add_define,RESET_TO_BL31)) 687$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 688$(eval $(call add_define,RECLAIM_INIT_CODE)) 689$(eval $(call add_define,SPD_${SPD})) 690$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 691$(eval $(call add_define,SPM_MM)) 692$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 693$(eval $(call add_define,USE_COHERENT_MEM)) 694$(eval $(call add_define,USE_ROMLIB)) 695$(eval $(call add_define,USE_TBBR_DEFS)) 696$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 697$(eval $(call add_define,BL2_AT_EL3)) 698$(eval $(call add_define,BL2_IN_XIP_MEM)) 699 700# Define the EL3_PAYLOAD_BASE flag only if it is provided. 701ifdef EL3_PAYLOAD_BASE 702 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 703else 704 # Define the PRELOADED_BL33_BASE flag only if it is provided and 705 # EL3_PAYLOAD_BASE is not defined, as it has priority. 706 ifdef PRELOADED_BL33_BASE 707 $(eval $(call add_define,PRELOADED_BL33_BASE)) 708 endif 709endif 710# Define the AARCH32/AARCH64 flag based on the ARCH flag 711ifeq (${ARCH},aarch32) 712 $(eval $(call add_define,AARCH32)) 713else 714 $(eval $(call add_define,AARCH64)) 715endif 716 717# Define the DYN_DISABLE_AUTH flag only if set. 718ifeq (${DYN_DISABLE_AUTH},1) 719$(eval $(call add_define,DYN_DISABLE_AUTH)) 720endif 721 722ifneq ($(findstring armlink,$(notdir $(LD))),) 723$(eval $(call add_define,USE_ARM_LINK)) 724endif 725 726################################################################################ 727# Build targets 728################################################################################ 729 730.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs 731.SUFFIXES: 732 733all: msg_start 734 735msg_start: 736 @echo "Building ${PLAT}" 737 738# Check if deprecated declarations and cpp warnings should be treated as error or not. 739ifeq (${ERROR_DEPRECATED},0) 740ifneq ($(findstring clang,$(notdir $(CC))),) 741 CPPFLAGS += -Wno-error=deprecated-declarations 742else 743 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 744endif 745endif 746 747$(eval $(call MAKE_LIB_DIRS)) 748$(eval $(call MAKE_LIB,c)) 749 750# Expand build macros for the different images 751ifeq (${NEED_BL1},yes) 752$(eval $(call MAKE_BL,1)) 753endif 754 755ifeq (${NEED_BL2},yes) 756ifeq (${BL2_AT_EL3}, 0) 757FIP_BL2_ARGS := tb-fw 758endif 759 760$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 761 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 762endif 763 764ifeq (${NEED_SCP_BL2},yes) 765$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 766endif 767 768ifeq (${NEED_BL31},yes) 769BL31_SOURCES += ${SPD_SOURCES} 770$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 771 $(eval $(call MAKE_BL,31,soc-fw))) 772endif 773 774# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 775# build system will call TOOL_ADD_IMG to print a warning message and abort the 776# process. Note that the dependency on BL32 applies to the FIP only. 777ifeq (${NEED_BL32},yes) 778 779BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 780 781$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 782 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 783endif 784 785# Add the BL33 image if required by the platform 786ifeq (${NEED_BL33},yes) 787$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 788endif 789 790ifeq (${NEED_BL2U},yes) 791$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 792 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 793endif 794 795# Expand build macros for the different images 796ifeq (${NEED_FDT},yes) 797 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 798endif 799 800locate-checkpatch: 801ifndef CHECKPATCH 802 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 803else 804ifeq (,$(wildcard ${CHECKPATCH})) 805 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 806endif 807endif 808 809clean: 810 @echo " CLEAN" 811 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 812 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 813 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 814 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 815 816realclean distclean: 817 @echo " REALCLEAN" 818 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 819 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 820 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 821 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 822 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 823 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 824 825checkcodebase: locate-checkpatch 826 @echo " CHECKING STYLE" 827 @if test -d .git ; then \ 828 git ls-files | grep -E -v 'libfdt|libc|docs|\.md' | \ 829 while read GIT_FILE ; \ 830 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 831 done ; \ 832 else \ 833 find . -type f -not -iwholename "*.git*" \ 834 -not -iwholename "*build*" \ 835 -not -iwholename "*libfdt*" \ 836 -not -iwholename "*libc*" \ 837 -not -iwholename "*docs*" \ 838 -not -iwholename "*.md" \ 839 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 840 fi 841 842checkpatch: locate-checkpatch 843 @echo " CHECKING STYLE" 844 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 845 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 846 printf "\n[*] Checking style of '$$commit'\n\n"; \ 847 git log --format=email "$$commit~..$$commit" \ 848 -- ${CHECK_PATHS} | ${CHECKPATCH} - || true; \ 849 git diff --format=email "$$commit~..$$commit" \ 850 -- ${CHECK_PATHS} | ${CHECKPATCH} - || true; \ 851 done 852 853certtool: ${CRTTOOL} 854 855.PHONY: ${CRTTOOL} 856${CRTTOOL}: 857 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 858 @${ECHO_BLANK_LINE} 859 @echo "Built $@ successfully" 860 @${ECHO_BLANK_LINE} 861 862ifneq (${GENERATE_COT},0) 863certificates: ${CRT_DEPS} ${CRTTOOL} 864 ${Q}${CRTTOOL} ${CRT_ARGS} 865 @${ECHO_BLANK_LINE} 866 @echo "Built $@ successfully" 867 @echo "Certificates can be found in ${BUILD_PLAT}" 868 @${ECHO_BLANK_LINE} 869endif 870 871${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 872 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 873 ${Q}${FIPTOOL} info $@ 874 @${ECHO_BLANK_LINE} 875 @echo "Built $@ successfully" 876 @${ECHO_BLANK_LINE} 877 878ifneq (${GENERATE_COT},0) 879fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 880 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 881 @${ECHO_BLANK_LINE} 882 @echo "Built $@ successfully" 883 @echo "FWU certificates can be found in ${BUILD_PLAT}" 884 @${ECHO_BLANK_LINE} 885endif 886 887${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 888 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 889 ${Q}${FIPTOOL} info $@ 890 @${ECHO_BLANK_LINE} 891 @echo "Built $@ successfully" 892 @${ECHO_BLANK_LINE} 893 894fiptool: ${FIPTOOL} 895fip: ${BUILD_PLAT}/${FIP_NAME} 896fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 897 898.PHONY: ${FIPTOOL} 899${FIPTOOL}: 900 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 901 902sptool: ${SPTOOL} 903.PHONY: ${SPTOOL} 904${SPTOOL}: 905 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 906 907.PHONY: libraries 908romlib.bin: libraries 909 ${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all 910 911cscope: 912 @echo " CSCOPE" 913 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 914 ${Q}cscope -b -q -k 915 916help: 917 @echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]" 918 @echo "" 919 @echo "PLAT is used to specify which platform you wish to build." 920 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 921 @echo "" 922 @echo "Please refer to the User Guide for a list of all supported options." 923 @echo "Note that the build system doesn't track dependencies for build " 924 @echo "options. Therefore, if any of the build options are changed " 925 @echo "from a previous build, a clean build must be performed." 926 @echo "" 927 @echo "Supported Targets:" 928 @echo " all Build all individual bootloader binaries" 929 @echo " bl1 Build the BL1 binary" 930 @echo " bl2 Build the BL2 binary" 931 @echo " bl2u Build the BL2U binary" 932 @echo " bl31 Build the BL31 binary" 933 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 934 @echo " this builds secure payload specified by AARCH32_SP" 935 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 936 @echo " fip Build the Firmware Image Package (FIP)" 937 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 938 @echo " checkcodebase Check the coding style of the entire source tree" 939 @echo " checkpatch Check the coding style on changes in the current" 940 @echo " branch against BASE_COMMIT (default origin/master)" 941 @echo " clean Clean the build for the selected platform" 942 @echo " cscope Generate cscope index" 943 @echo " distclean Remove all build artifacts for all platforms" 944 @echo " certtool Build the Certificate generation tool" 945 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 946 @echo " sptool Build the Secure Partition Package creation tool" 947 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 948 @echo "" 949 @echo "Note: most build targets require PLAT to be set to a specific platform." 950 @echo "" 951 @echo "example: build all targets for the FVP platform:" 952 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 953