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 := 1 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 %.rst, \ 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# Process BRANCH_PROTECTION value and set 121# Pointer Authentication and Branch Target Identification flags 122ifeq (${BRANCH_PROTECTION},0) 123 # Default value turns off all types of branch protection 124 BP_OPTION := none 125else ifneq (${ARCH},aarch64) 126 $(error BRANCH_PROTECTION requires AArch64) 127else ifeq (${BRANCH_PROTECTION},1) 128 # Enables all types of branch protection features 129 BP_OPTION := standard 130 ENABLE_BTI := 1 131 ENABLE_PAUTH := 1 132else ifeq (${BRANCH_PROTECTION},2) 133 # Return address signing to its standard level 134 BP_OPTION := pac-ret 135 ENABLE_PAUTH := 1 136else ifeq (${BRANCH_PROTECTION},3) 137 # Extend the signing to include leaf functions 138 BP_OPTION := pac-ret+leaf 139 ENABLE_PAUTH := 1 140else 141 $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION}) 142endif 143 144################################################################################ 145# Toolchain 146################################################################################ 147 148HOSTCC := gcc 149export HOSTCC 150 151CC := ${CROSS_COMPILE}gcc 152CPP := ${CROSS_COMPILE}cpp 153AS := ${CROSS_COMPILE}gcc 154AR := ${CROSS_COMPILE}ar 155LINKER := ${CROSS_COMPILE}ld 156OC := ${CROSS_COMPILE}objcopy 157OD := ${CROSS_COMPILE}objdump 158NM := ${CROSS_COMPILE}nm 159PP := ${CROSS_COMPILE}gcc -E 160DTC := dtc 161 162# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 163ifneq ($(strip $(wildcard ${LD}.bfd) \ 164 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 165LINKER := ${LINKER}.bfd 166endif 167 168ifeq (${ARM_ARCH_MAJOR},7) 169target32-directive = -target arm-none-eabi 170# Will set march32-directive from platform configuration 171else 172target32-directive = -target armv8a-none-eabi 173 174# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option 175ifeq (${ARM_ARCH_MINOR},0) 176march32-directive = -march=armv8-a 177march64-directive = -march=armv8-a 178else 179march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a 180march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a 181endif 182endif 183 184ifneq ($(findstring armclang,$(notdir $(CC))),) 185TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 186TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 187LD = $(LINKER) 188AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 189CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 190PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 191else ifneq ($(findstring clang,$(notdir $(CC))),) 192TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 193TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 194LD = $(LINKER) 195AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 196CPP = $(CC) -E 197PP = $(CC) -E 198else 199TF_CFLAGS_aarch32 = $(march32-directive) 200TF_CFLAGS_aarch64 = $(march64-directive) 201LD = $(LINKER) 202endif 203 204ifeq (${AARCH32_INSTRUCTION_SET},A32) 205TF_CFLAGS_aarch32 += -marm 206else ifeq (${AARCH32_INSTRUCTION_SET},T32) 207TF_CFLAGS_aarch32 += -mthumb 208else 209$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 210endif 211 212TF_CFLAGS_aarch32 += -mno-unaligned-access 213TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 214 215ifneq (${BP_OPTION},none) 216TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 217endif 218 219ASFLAGS_aarch32 = $(march32-directive) 220ASFLAGS_aarch64 = $(march64-directive) 221 222WARNING1 := -Wextra 223WARNING1 += -Wunused -Wno-unused-parameter 224WARNING1 += -Wmissing-declarations 225WARNING1 += -Wmissing-format-attribute 226WARNING1 += -Wmissing-prototypes 227WARNING1 += -Wold-style-definition 228WARNING1 += -Wunused-but-set-variable 229WARNING1 += -Wunused-const-variable 230 231WARNING2 := -Waggregate-return 232WARNING2 += -Wcast-align 233WARNING2 += -Wdisabled-optimization 234WARNING2 += -Wnested-externs 235WARNING2 += -Wshadow 236WARNING2 += -Wlogical-op 237WARNING2 += -Wmissing-field-initializers 238WARNING2 += -Wsign-compare 239WARNING2 += -Wmaybe-uninitialized 240 241WARNING3 := -Wbad-function-cast 242WARNING3 += -Wcast-qual 243WARNING3 += -Wconversion 244WARNING3 += -Wpacked 245WARNING3 += -Wpadded 246WARNING3 += -Wpointer-arith 247WARNING3 += -Wredundant-decls 248WARNING3 += -Wswitch-default 249WARNING3 += -Wpacked-bitfield-compat 250WARNING3 += -Wvla 251 252ifeq (${W},1) 253WARNINGS := $(WARNING1) 254else ifeq (${W},2) 255WARNINGS := $(WARNING1) $(WARNING2) 256else ifeq (${W},3) 257WARNINGS := $(WARNING1) $(WARNING2) $(WARNING3) 258endif 259 260ifneq (${E},0) 261ERRORS := -Werror 262endif 263 264CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 265 -Wmissing-include-dirs $(ERRORS) $(WARNINGS) 266ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 267 -D__ASSEMBLY__ -ffreestanding \ 268 -Wa,--fatal-warnings 269TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 270 -ffreestanding -fno-builtin -Wall -std=gnu99 \ 271 -Os -ffunction-sections -fdata-sections 272 273GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 274 275ifneq ($(findstring armlink,$(notdir $(LD))),) 276TF_LDFLAGS += --diag_error=warning --lto_level=O1 277TF_LDFLAGS += --remove --info=unused,unusedsymbols 278else 279TF_LDFLAGS += --fatal-warnings -O1 280TF_LDFLAGS += --gc-sections 281endif 282TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 283 284DTC_FLAGS += -I dts -O dtb 285DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 286 287################################################################################ 288# Common sources and include directories 289################################################################################ 290include lib/compiler-rt/compiler-rt.mk 291 292BL_COMMON_SOURCES += common/bl_common.c \ 293 common/tf_log.c \ 294 common/${ARCH}/debug.S \ 295 drivers/console/multi_console.c \ 296 lib/${ARCH}/cache_helpers.S \ 297 lib/${ARCH}/misc_helpers.S \ 298 plat/common/plat_bl_common.c \ 299 plat/common/plat_log_common.c \ 300 plat/common/${ARCH}/plat_common.c \ 301 plat/common/${ARCH}/platform_helpers.S \ 302 ${COMPILER_RT_SRCS} 303 304ifeq ($(notdir $(CC)),armclang) 305BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 306endif 307 308INCLUDES += -Iinclude \ 309 -Iinclude/arch/${ARCH} \ 310 -Iinclude/lib/cpus/${ARCH} \ 311 -Iinclude/lib/el3_runtime/${ARCH} \ 312 ${PLAT_INCLUDES} \ 313 ${SPD_INCLUDES} 314 315include common/backtrace/backtrace.mk 316 317################################################################################ 318# Generic definitions 319################################################################################ 320 321include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 322 323BUILD_BASE := ./build 324BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 325 326SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 327 328# Platforms providing their own TBB makefile may override this value 329INCLUDE_TBBR_MK := 1 330 331 332################################################################################ 333# Include SPD Makefile if one has been specified 334################################################################################ 335 336ifneq (${SPD},none) 337ifeq (${ARCH},aarch32) 338 $(error "Error: SPD is incompatible with AArch32.") 339endif 340ifdef EL3_PAYLOAD_BASE 341 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 342 $(warning "The SPD and its BL32 companion will be present but ignored.") 343endif 344 # We expect to locate an spd.mk under the specified SPD directory 345 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 346 347 ifeq (${SPD_MAKE},) 348 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 349 endif 350 $(info Including ${SPD_MAKE}) 351 include ${SPD_MAKE} 352 353 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 354 # Makefile would set NEED_BL32 to "yes". In this case, the build system 355 # supports two mutually exclusive options: 356 # * BL32 is built from source: then BL32_SOURCES must contain the list 357 # of source files to build BL32 358 # * BL32 is a prebuilt binary: then BL32 must point to the image file 359 # that will be included in the FIP 360 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 361 # over the sources. 362endif 363 364################################################################################ 365# Include the platform specific Makefile after the SPD Makefile (the platform 366# makefile may use all previous definitions in this file) 367################################################################################ 368 369include ${PLAT_MAKEFILE_FULL} 370 371$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 372 373ifeq (${ARM_ARCH_MAJOR},7) 374include make_helpers/armv7-a-cpus.mk 375endif 376 377ifeq ($(ENABLE_PIE),1) 378 TF_CFLAGS += -fpie 379 TF_LDFLAGS += -pie --no-dynamic-linker 380else 381 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 382 ifneq ($(PIE_FOUND),) 383 TF_CFLAGS += -fno-PIE 384 endif 385endif 386 387# Include the CPU specific operations makefile, which provides default 388# values for all CPU errata workarounds and CPU specific optimisations. 389# This can be overridden by the platform. 390include lib/cpus/cpu-ops.mk 391 392ifeq (${ARCH},aarch32) 393NEED_BL32 := yes 394 395################################################################################ 396# Build `AARCH32_SP` as BL32 image for AArch32 397################################################################################ 398ifneq (${AARCH32_SP},none) 399# We expect to locate an sp.mk under the specified AARCH32_SP directory 400AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 401 402ifeq (${AARCH32_SP_MAKE},) 403 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 404endif 405 406$(info Including ${AARCH32_SP_MAKE}) 407include ${AARCH32_SP_MAKE} 408endif 409 410endif 411 412################################################################################ 413# Include libc if not overridden 414################################################################################ 415ifeq (${OVERRIDE_LIBC},0) 416include lib/libc/libc.mk 417endif 418 419################################################################################ 420# Check incompatible options 421################################################################################ 422 423ifdef EL3_PAYLOAD_BASE 424 ifdef PRELOADED_BL33_BASE 425 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 426 incompatible build options. EL3_PAYLOAD_BASE has priority.") 427 endif 428 ifneq (${GENERATE_COT},0) 429 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 430 endif 431 ifneq (${TRUSTED_BOARD_BOOT},0) 432 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 433 endif 434endif 435 436ifeq (${NEED_BL33},yes) 437 ifdef EL3_PAYLOAD_BASE 438 $(warning "BL33 image is not needed when option \ 439 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 440 endif 441 ifdef PRELOADED_BL33_BASE 442 $(warning "BL33 image is not needed when option \ 443 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 444 file.") 445 endif 446endif 447 448# When building for systems with hardware-assisted coherency, there's no need to 449# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 450ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 451$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 452endif 453 454#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 455ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 456$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 457endif 458 459# For RAS_EXTENSION, require that EAs are handled in EL3 first 460ifeq ($(RAS_EXTENSION),1) 461 ifneq ($(HANDLE_EA_EL3_FIRST),1) 462 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 463 endif 464endif 465 466# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 467ifeq ($(FAULT_INJECTION_SUPPORT),1) 468 ifneq ($(RAS_EXTENSION),1) 469 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 470 endif 471endif 472 473# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 474ifeq ($(DYN_DISABLE_AUTH), 1) 475 ifeq (${TRUSTED_BOARD_BOOT}, 0) 476 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 477 endif 478endif 479 480# If pointer authentication is used in the firmware, make sure that all the 481# registers associated to it are also saved and restored. 482# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 483ifeq ($(ENABLE_PAUTH),1) 484 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 485 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 486 endif 487endif 488 489ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 490 ifneq (${ARCH},aarch64) 491 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 492 else 493 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 494 endif 495endif 496 497ifeq ($(ENABLE_PAUTH),1) 498 $(info Pointer Authentication is an experimental feature) 499endif 500 501ifeq ($(ENABLE_BTI),1) 502 $(info Branch Protection is an experimental feature) 503endif 504 505################################################################################ 506# Process platform overrideable behaviour 507################################################################################ 508 509# Using the ARM Trusted Firmware BL2 implies that a BL33 image also needs to be 510# supplied for the FIP and Certificate generation tools. This flag can be 511# overridden by the platform. 512ifdef BL2_SOURCES 513 ifdef EL3_PAYLOAD_BASE 514 # If booting an EL3 payload there is no need for a BL33 image 515 # in the FIP file. 516 NEED_BL33 := no 517 else 518 ifdef PRELOADED_BL33_BASE 519 # If booting a BL33 preloaded image there is no need of 520 # another one in the FIP file. 521 NEED_BL33 := no 522 else 523 NEED_BL33 ?= yes 524 endif 525 endif 526endif 527 528# If SCP_BL2 is given, we always want FIP to include it. 529ifdef SCP_BL2 530 NEED_SCP_BL2 := yes 531endif 532 533# For AArch32, BL31 is not currently supported. 534ifneq (${ARCH},aarch32) 535 ifdef BL31_SOURCES 536 # When booting an EL3 payload, there is no need to compile the BL31 image nor 537 # put it in the FIP. 538 ifndef EL3_PAYLOAD_BASE 539 NEED_BL31 := yes 540 endif 541 endif 542endif 543 544# Process TBB related flags 545ifneq (${GENERATE_COT},0) 546 # Common cert_create options 547 ifneq (${CREATE_KEYS},0) 548 $(eval CRT_ARGS += -n) 549 $(eval FWU_CRT_ARGS += -n) 550 ifneq (${SAVE_KEYS},0) 551 $(eval CRT_ARGS += -k) 552 $(eval FWU_CRT_ARGS += -k) 553 endif 554 endif 555 # Include TBBR makefile (unless the platform indicates otherwise) 556 ifeq (${INCLUDE_TBBR_MK},1) 557 include make_helpers/tbbr/tbbr_tools.mk 558 endif 559endif 560 561ifneq (${FIP_ALIGN},0) 562FIP_ARGS += --align ${FIP_ALIGN} 563endif 564 565################################################################################ 566# Include libraries' Makefile that are used in all BL 567################################################################################ 568 569include lib/stack_protector/stack_protector.mk 570 571################################################################################ 572# Auxiliary tools (fiptool, cert_create, etc) 573################################################################################ 574 575# Variables for use with Certificate Generation Tool 576CRTTOOLPATH ?= tools/cert_create 577CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 578 579# Variables for use with Firmware Image Package 580FIPTOOLPATH ?= tools/fiptool 581FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 582 583# Variables for use with sptool 584SPTOOLPATH ?= tools/sptool 585SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 586 587# Variables for use with ROMLIB 588ROMLIBPATH ?= lib/romlib 589 590################################################################################ 591# Include BL specific makefiles 592################################################################################ 593ifdef BL1_SOURCES 594NEED_BL1 := yes 595include bl1/bl1.mk 596endif 597 598ifdef BL2_SOURCES 599NEED_BL2 := yes 600include bl2/bl2.mk 601endif 602 603ifdef BL2U_SOURCES 604NEED_BL2U := yes 605include bl2u/bl2u.mk 606endif 607 608ifeq (${NEED_BL31},yes) 609ifdef BL31_SOURCES 610include bl31/bl31.mk 611endif 612endif 613 614ifdef FDT_SOURCES 615NEED_FDT := yes 616endif 617 618################################################################################ 619# Build options checks 620################################################################################ 621 622$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 623$(eval $(call assert_boolean,CREATE_KEYS)) 624$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 625$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 626$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 627$(eval $(call assert_boolean,DEBUG)) 628$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 629$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 630$(eval $(call assert_boolean,ENABLE_AMU)) 631$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 632$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 633$(eval $(call assert_boolean,ENABLE_PIE)) 634$(eval $(call assert_boolean,ENABLE_PMF)) 635$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 636$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 637$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 638$(eval $(call assert_boolean,ENABLE_SPM)) 639$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 640$(eval $(call assert_boolean,ERROR_DEPRECATED)) 641$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 642$(eval $(call assert_boolean,GENERATE_COT)) 643$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 644$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 645$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 646$(eval $(call assert_boolean,MULTI_CONSOLE_API)) 647$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 648$(eval $(call assert_boolean,OVERRIDE_LIBC)) 649$(eval $(call assert_boolean,PL011_GENERIC_UART)) 650$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 651$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 652$(eval $(call assert_boolean,RAS_EXTENSION)) 653$(eval $(call assert_boolean,RESET_TO_BL31)) 654$(eval $(call assert_boolean,SAVE_KEYS)) 655$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 656$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 657$(eval $(call assert_boolean,SPM_MM)) 658$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 659$(eval $(call assert_boolean,USE_COHERENT_MEM)) 660$(eval $(call assert_boolean,USE_ROMLIB)) 661$(eval $(call assert_boolean,USE_TBBR_DEFS)) 662$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 663$(eval $(call assert_boolean,BL2_AT_EL3)) 664$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 665 666$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 667$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 668$(eval $(call assert_numeric,BRANCH_PROTECTION)) 669 670################################################################################ 671# Add definitions to the cpp preprocessor based on the current build options. 672# This is done after including the platform specific makefile to allow the 673# platform to overwrite the default options 674################################################################################ 675 676$(eval $(call add_define,ARM_ARCH_MAJOR)) 677$(eval $(call add_define,ARM_ARCH_MINOR)) 678$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 679$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 680$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 681$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 682$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 683$(eval $(call add_define,ENABLE_AMU)) 684$(eval $(call add_define,ENABLE_ASSERTIONS)) 685$(eval $(call add_define,ENABLE_BTI)) 686$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 687$(eval $(call add_define,ENABLE_PAUTH)) 688$(eval $(call add_define,ENABLE_PIE)) 689$(eval $(call add_define,ENABLE_PMF)) 690$(eval $(call add_define,ENABLE_PSCI_STAT)) 691$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 692$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 693$(eval $(call add_define,ENABLE_SPM)) 694$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 695$(eval $(call add_define,ERROR_DEPRECATED)) 696$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 697$(eval $(call add_define,GICV2_G0_FOR_EL3)) 698$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 699$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 700$(eval $(call add_define,LOG_LEVEL)) 701$(eval $(call add_define,MULTI_CONSOLE_API)) 702$(eval $(call add_define,NS_TIMER_SWITCH)) 703$(eval $(call add_define,PL011_GENERIC_UART)) 704$(eval $(call add_define,PLAT_${PLAT})) 705$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 706$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 707$(eval $(call add_define,RAS_EXTENSION)) 708$(eval $(call add_define,RESET_TO_BL31)) 709$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 710$(eval $(call add_define,RECLAIM_INIT_CODE)) 711$(eval $(call add_define,SPD_${SPD})) 712$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 713$(eval $(call add_define,SPM_MM)) 714$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 715$(eval $(call add_define,USE_COHERENT_MEM)) 716$(eval $(call add_define,USE_ROMLIB)) 717$(eval $(call add_define,USE_TBBR_DEFS)) 718$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 719$(eval $(call add_define,BL2_AT_EL3)) 720$(eval $(call add_define,BL2_IN_XIP_MEM)) 721 722# Define the EL3_PAYLOAD_BASE flag only if it is provided. 723ifdef EL3_PAYLOAD_BASE 724 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 725else 726 # Define the PRELOADED_BL33_BASE flag only if it is provided and 727 # EL3_PAYLOAD_BASE is not defined, as it has priority. 728 ifdef PRELOADED_BL33_BASE 729 $(eval $(call add_define,PRELOADED_BL33_BASE)) 730 endif 731endif 732# Define the AARCH32/AARCH64 flag based on the ARCH flag 733ifeq (${ARCH},aarch32) 734 $(eval $(call add_define,AARCH32)) 735else 736 $(eval $(call add_define,AARCH64)) 737endif 738 739# Define the DYN_DISABLE_AUTH flag only if set. 740ifeq (${DYN_DISABLE_AUTH},1) 741$(eval $(call add_define,DYN_DISABLE_AUTH)) 742endif 743 744ifneq ($(findstring armlink,$(notdir $(LD))),) 745$(eval $(call add_define,USE_ARM_LINK)) 746endif 747 748################################################################################ 749# Build targets 750################################################################################ 751 752.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs 753.SUFFIXES: 754 755all: msg_start 756 757msg_start: 758 @echo "Building ${PLAT}" 759 760# Check if deprecated declarations and cpp warnings should be treated as error or not. 761ifeq (${ERROR_DEPRECATED},0) 762ifneq ($(findstring clang,$(notdir $(CC))),) 763 CPPFLAGS += -Wno-error=deprecated-declarations 764else 765 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 766endif 767endif 768 769$(eval $(call MAKE_LIB_DIRS)) 770$(eval $(call MAKE_LIB,c)) 771 772# Expand build macros for the different images 773ifeq (${NEED_BL1},yes) 774$(eval $(call MAKE_BL,1)) 775endif 776 777ifeq (${NEED_BL2},yes) 778ifeq (${BL2_AT_EL3}, 0) 779FIP_BL2_ARGS := tb-fw 780endif 781 782$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 783 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 784endif 785 786ifeq (${NEED_SCP_BL2},yes) 787$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 788endif 789 790ifeq (${NEED_BL31},yes) 791BL31_SOURCES += ${SPD_SOURCES} 792$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 793 $(eval $(call MAKE_BL,31,soc-fw))) 794endif 795 796# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 797# build system will call TOOL_ADD_IMG to print a warning message and abort the 798# process. Note that the dependency on BL32 applies to the FIP only. 799ifeq (${NEED_BL32},yes) 800 801BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 802 803$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 804 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 805endif 806 807# Add the BL33 image if required by the platform 808ifeq (${NEED_BL33},yes) 809$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 810endif 811 812ifeq (${NEED_BL2U},yes) 813$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 814 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 815endif 816 817# Expand build macros for the different images 818ifeq (${NEED_FDT},yes) 819 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 820endif 821 822locate-checkpatch: 823ifndef CHECKPATCH 824 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 825else 826ifeq (,$(wildcard ${CHECKPATCH})) 827 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 828endif 829endif 830 831clean: 832 @echo " CLEAN" 833 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 834 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 835 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 836 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 837 838realclean distclean: 839 @echo " REALCLEAN" 840 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 841 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 842 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 843 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 844 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 845 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 846 847checkcodebase: locate-checkpatch 848 @echo " CHECKING STYLE" 849 @if test -d .git ; then \ 850 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 851 while read GIT_FILE ; \ 852 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 853 done ; \ 854 else \ 855 find . -type f -not -iwholename "*.git*" \ 856 -not -iwholename "*build*" \ 857 -not -iwholename "*libfdt*" \ 858 -not -iwholename "*libc*" \ 859 -not -iwholename "*docs*" \ 860 -not -iwholename "*.rst" \ 861 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 862 fi 863 864checkpatch: locate-checkpatch 865 @echo " CHECKING STYLE" 866 @if test -n "${CHECKPATCH_OPTS}"; then \ 867 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 868 fi 869 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 870 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 871 printf "\n[*] Checking style of '$$commit'\n\n"; \ 872 git log --format=email "$$commit~..$$commit" \ 873 -- ${CHECK_PATHS} | \ 874 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 875 git diff --format=email "$$commit~..$$commit" \ 876 -- ${CHECK_PATHS} | \ 877 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 878 done 879 880certtool: ${CRTTOOL} 881 882.PHONY: ${CRTTOOL} 883${CRTTOOL}: 884 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 885 @${ECHO_BLANK_LINE} 886 @echo "Built $@ successfully" 887 @${ECHO_BLANK_LINE} 888 889ifneq (${GENERATE_COT},0) 890certificates: ${CRT_DEPS} ${CRTTOOL} 891 ${Q}${CRTTOOL} ${CRT_ARGS} 892 @${ECHO_BLANK_LINE} 893 @echo "Built $@ successfully" 894 @echo "Certificates can be found in ${BUILD_PLAT}" 895 @${ECHO_BLANK_LINE} 896endif 897 898${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 899 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 900 ${Q}${FIPTOOL} info $@ 901 @${ECHO_BLANK_LINE} 902 @echo "Built $@ successfully" 903 @${ECHO_BLANK_LINE} 904 905ifneq (${GENERATE_COT},0) 906fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 907 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 908 @${ECHO_BLANK_LINE} 909 @echo "Built $@ successfully" 910 @echo "FWU certificates can be found in ${BUILD_PLAT}" 911 @${ECHO_BLANK_LINE} 912endif 913 914${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 915 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 916 ${Q}${FIPTOOL} info $@ 917 @${ECHO_BLANK_LINE} 918 @echo "Built $@ successfully" 919 @${ECHO_BLANK_LINE} 920 921fiptool: ${FIPTOOL} 922fip: ${BUILD_PLAT}/${FIP_NAME} 923fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 924 925.PHONY: ${FIPTOOL} 926${FIPTOOL}: 927 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 928 929sptool: ${SPTOOL} 930.PHONY: ${SPTOOL} 931${SPTOOL}: 932 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 933 934.PHONY: libraries 935romlib.bin: libraries 936 ${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all 937 938cscope: 939 @echo " CSCOPE" 940 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 941 ${Q}cscope -b -q -k 942 943help: 944 @echo "usage: ${MAKE} PLAT=<${PLATFORM_LIST}> [OPTIONS] [TARGET]" 945 @echo "" 946 @echo "PLAT is used to specify which platform you wish to build." 947 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 948 @echo "" 949 @echo "Please refer to the User Guide for a list of all supported options." 950 @echo "Note that the build system doesn't track dependencies for build " 951 @echo "options. Therefore, if any of the build options are changed " 952 @echo "from a previous build, a clean build must be performed." 953 @echo "" 954 @echo "Supported Targets:" 955 @echo " all Build all individual bootloader binaries" 956 @echo " bl1 Build the BL1 binary" 957 @echo " bl2 Build the BL2 binary" 958 @echo " bl2u Build the BL2U binary" 959 @echo " bl31 Build the BL31 binary" 960 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 961 @echo " this builds secure payload specified by AARCH32_SP" 962 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 963 @echo " fip Build the Firmware Image Package (FIP)" 964 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 965 @echo " checkcodebase Check the coding style of the entire source tree" 966 @echo " checkpatch Check the coding style on changes in the current" 967 @echo " branch against BASE_COMMIT (default origin/master)" 968 @echo " clean Clean the build for the selected platform" 969 @echo " cscope Generate cscope index" 970 @echo " distclean Remove all build artifacts for all platforms" 971 @echo " certtool Build the Certificate generation tool" 972 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 973 @echo " sptool Build the Secure Partition Package creation tool" 974 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 975 @echo "" 976 @echo "Note: most build targets require PLAT to be set to a specific platform." 977 @echo "" 978 @echo "example: build all targets for the FVP platform:" 979 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 980