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 = $(march64-directive) 221 222WARNING1 := -Wextra 223WARNING1 += -Wmissing-declarations 224WARNING1 += -Wmissing-format-attribute 225WARNING1 += -Wmissing-prototypes 226WARNING1 += -Wold-style-definition 227WARNING1 += -Wunused-const-variable 228 229WARNING2 := -Waggregate-return 230WARNING2 += -Wcast-align 231WARNING2 += -Wnested-externs 232WARNING2 += -Wshadow 233WARNING2 += -Wlogical-op 234WARNING2 += -Wmissing-field-initializers 235WARNING2 += -Wsign-compare 236 237WARNING3 := -Wbad-function-cast 238WARNING3 += -Wcast-qual 239WARNING3 += -Wconversion 240WARNING3 += -Wpacked 241WARNING3 += -Wpadded 242WARNING3 += -Wpointer-arith 243WARNING3 += -Wredundant-decls 244WARNING3 += -Wswitch-default 245 246ifeq (${W},1) 247WARNINGS := $(WARNING1) 248else ifeq (${W},2) 249WARNINGS := $(WARNING1) $(WARNING2) 250else ifeq (${W},3) 251WARNINGS := $(WARNING1) $(WARNING2) $(WARNING3) 252endif 253 254WARNINGS += -Wunused -Wno-unused-parameter \ 255 -Wdisabled-optimization \ 256 -Wvla 257 258ifeq ($(findstring clang,$(notdir $(CC))),) 259WARNINGS += -Wunused-but-set-variable \ 260 -Wmaybe-uninitialized \ 261 -Wpacked-bitfield-compat 262endif 263 264ifneq (${E},0) 265ERRORS := -Werror 266endif 267 268CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 269 -Wmissing-include-dirs $(ERRORS) $(WARNINGS) 270ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 271 -D__ASSEMBLY__ -ffreestanding \ 272 -Wa,--fatal-warnings 273TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 274 -ffreestanding -fno-builtin -Wall -std=gnu99 \ 275 -Os -ffunction-sections -fdata-sections 276 277GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 278 279ifneq ($(findstring armlink,$(notdir $(LD))),) 280TF_LDFLAGS += --diag_error=warning --lto_level=O1 281TF_LDFLAGS += --remove --info=unused,unusedsymbols 282else 283TF_LDFLAGS += --fatal-warnings -O1 284TF_LDFLAGS += --gc-sections 285endif 286TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 287 288DTC_FLAGS += -I dts -O dtb 289DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 290 291################################################################################ 292# Common sources and include directories 293################################################################################ 294include lib/compiler-rt/compiler-rt.mk 295 296BL_COMMON_SOURCES += common/bl_common.c \ 297 common/tf_log.c \ 298 common/${ARCH}/debug.S \ 299 drivers/console/multi_console.c \ 300 lib/${ARCH}/cache_helpers.S \ 301 lib/${ARCH}/misc_helpers.S \ 302 plat/common/plat_bl_common.c \ 303 plat/common/plat_log_common.c \ 304 plat/common/${ARCH}/plat_common.c \ 305 plat/common/${ARCH}/platform_helpers.S \ 306 ${COMPILER_RT_SRCS} 307 308ifeq ($(notdir $(CC)),armclang) 309BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 310endif 311 312INCLUDES += -Iinclude \ 313 -Iinclude/arch/${ARCH} \ 314 -Iinclude/lib/cpus/${ARCH} \ 315 -Iinclude/lib/el3_runtime/${ARCH} \ 316 ${PLAT_INCLUDES} \ 317 ${SPD_INCLUDES} 318 319include common/backtrace/backtrace.mk 320 321################################################################################ 322# Generic definitions 323################################################################################ 324 325include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 326 327BUILD_BASE := ./build 328BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 329 330SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 331 332# Platforms providing their own TBB makefile may override this value 333INCLUDE_TBBR_MK := 1 334 335 336################################################################################ 337# Include SPD Makefile if one has been specified 338################################################################################ 339 340ifneq (${SPD},none) 341ifeq (${ARCH},aarch32) 342 $(error "Error: SPD is incompatible with AArch32.") 343endif 344ifdef EL3_PAYLOAD_BASE 345 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 346 $(warning "The SPD and its BL32 companion will be present but ignored.") 347endif 348 # We expect to locate an spd.mk under the specified SPD directory 349 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 350 351 ifeq (${SPD_MAKE},) 352 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 353 endif 354 $(info Including ${SPD_MAKE}) 355 include ${SPD_MAKE} 356 357 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 358 # Makefile would set NEED_BL32 to "yes". In this case, the build system 359 # supports two mutually exclusive options: 360 # * BL32 is built from source: then BL32_SOURCES must contain the list 361 # of source files to build BL32 362 # * BL32 is a prebuilt binary: then BL32 must point to the image file 363 # that will be included in the FIP 364 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 365 # over the sources. 366endif 367 368################################################################################ 369# Include the platform specific Makefile after the SPD Makefile (the platform 370# makefile may use all previous definitions in this file) 371################################################################################ 372 373include ${PLAT_MAKEFILE_FULL} 374 375$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 376 377ifeq (${ARM_ARCH_MAJOR},7) 378include make_helpers/armv7-a-cpus.mk 379endif 380 381ifeq ($(ENABLE_PIE),1) 382 TF_CFLAGS += -fpie 383 TF_LDFLAGS += -pie --no-dynamic-linker 384else 385 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 386 ifneq ($(PIE_FOUND),) 387 TF_CFLAGS += -fno-PIE 388 endif 389endif 390 391# Include the CPU specific operations makefile, which provides default 392# values for all CPU errata workarounds and CPU specific optimisations. 393# This can be overridden by the platform. 394include lib/cpus/cpu-ops.mk 395 396ifeq (${ARCH},aarch32) 397NEED_BL32 := yes 398 399################################################################################ 400# Build `AARCH32_SP` as BL32 image for AArch32 401################################################################################ 402ifneq (${AARCH32_SP},none) 403# We expect to locate an sp.mk under the specified AARCH32_SP directory 404AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 405 406ifeq (${AARCH32_SP_MAKE},) 407 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 408endif 409 410$(info Including ${AARCH32_SP_MAKE}) 411include ${AARCH32_SP_MAKE} 412endif 413 414endif 415 416################################################################################ 417# Include libc if not overridden 418################################################################################ 419ifeq (${OVERRIDE_LIBC},0) 420include lib/libc/libc.mk 421endif 422 423################################################################################ 424# Check incompatible options 425################################################################################ 426 427ifdef EL3_PAYLOAD_BASE 428 ifdef PRELOADED_BL33_BASE 429 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 430 incompatible build options. EL3_PAYLOAD_BASE has priority.") 431 endif 432 ifneq (${GENERATE_COT},0) 433 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 434 endif 435 ifneq (${TRUSTED_BOARD_BOOT},0) 436 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 437 endif 438endif 439 440ifeq (${NEED_BL33},yes) 441 ifdef EL3_PAYLOAD_BASE 442 $(warning "BL33 image is not needed when option \ 443 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 444 endif 445 ifdef PRELOADED_BL33_BASE 446 $(warning "BL33 image is not needed when option \ 447 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 448 file.") 449 endif 450endif 451 452# When building for systems with hardware-assisted coherency, there's no need to 453# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 454ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 455$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 456endif 457 458#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 459ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 460$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 461endif 462 463# For RAS_EXTENSION, require that EAs are handled in EL3 first 464ifeq ($(RAS_EXTENSION),1) 465 ifneq ($(HANDLE_EA_EL3_FIRST),1) 466 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 467 endif 468endif 469 470# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 471ifeq ($(FAULT_INJECTION_SUPPORT),1) 472 ifneq ($(RAS_EXTENSION),1) 473 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 474 endif 475endif 476 477# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 478ifeq ($(DYN_DISABLE_AUTH), 1) 479 ifeq (${TRUSTED_BOARD_BOOT}, 0) 480 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 481 endif 482endif 483 484# If pointer authentication is used in the firmware, make sure that all the 485# registers associated to it are also saved and restored. 486# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 487ifeq ($(ENABLE_PAUTH),1) 488 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 489 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 490 endif 491endif 492 493ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 494 ifneq (${ARCH},aarch64) 495 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 496 else 497 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 498 endif 499endif 500 501ifeq ($(ENABLE_PAUTH),1) 502 $(info Pointer Authentication is an experimental feature) 503endif 504 505ifeq ($(ENABLE_BTI),1) 506 $(info Branch Protection is an experimental feature) 507endif 508 509################################################################################ 510# Process platform overrideable behaviour 511################################################################################ 512 513# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 514# Certificate generation tools. This flag can be overridden by the platform. 515ifdef BL2_SOURCES 516 ifdef EL3_PAYLOAD_BASE 517 # If booting an EL3 payload there is no need for a BL33 image 518 # in the FIP file. 519 NEED_BL33 := no 520 else 521 ifdef PRELOADED_BL33_BASE 522 # If booting a BL33 preloaded image there is no need of 523 # another one in the FIP file. 524 NEED_BL33 := no 525 else 526 NEED_BL33 ?= yes 527 endif 528 endif 529endif 530 531# If SCP_BL2 is given, we always want FIP to include it. 532ifdef SCP_BL2 533 NEED_SCP_BL2 := yes 534endif 535 536# For AArch32, BL31 is not currently supported. 537ifneq (${ARCH},aarch32) 538 ifdef BL31_SOURCES 539 # When booting an EL3 payload, there is no need to compile the BL31 image nor 540 # put it in the FIP. 541 ifndef EL3_PAYLOAD_BASE 542 NEED_BL31 := yes 543 endif 544 endif 545endif 546 547# Process TBB related flags 548ifneq (${GENERATE_COT},0) 549 # Common cert_create options 550 ifneq (${CREATE_KEYS},0) 551 $(eval CRT_ARGS += -n) 552 $(eval FWU_CRT_ARGS += -n) 553 ifneq (${SAVE_KEYS},0) 554 $(eval CRT_ARGS += -k) 555 $(eval FWU_CRT_ARGS += -k) 556 endif 557 endif 558 # Include TBBR makefile (unless the platform indicates otherwise) 559 ifeq (${INCLUDE_TBBR_MK},1) 560 include make_helpers/tbbr/tbbr_tools.mk 561 endif 562endif 563 564ifneq (${FIP_ALIGN},0) 565FIP_ARGS += --align ${FIP_ALIGN} 566endif 567 568################################################################################ 569# Include libraries' Makefile that are used in all BL 570################################################################################ 571 572include lib/stack_protector/stack_protector.mk 573 574################################################################################ 575# Auxiliary tools (fiptool, cert_create, etc) 576################################################################################ 577 578# Variables for use with Certificate Generation Tool 579CRTTOOLPATH ?= tools/cert_create 580CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 581 582# Variables for use with Firmware Image Package 583FIPTOOLPATH ?= tools/fiptool 584FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 585 586# Variables for use with sptool 587SPTOOLPATH ?= tools/sptool 588SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 589 590# Variables for use with ROMLIB 591ROMLIBPATH ?= lib/romlib 592 593################################################################################ 594# Include BL specific makefiles 595################################################################################ 596ifdef BL1_SOURCES 597NEED_BL1 := yes 598include bl1/bl1.mk 599endif 600 601ifdef BL2_SOURCES 602NEED_BL2 := yes 603include bl2/bl2.mk 604endif 605 606ifdef BL2U_SOURCES 607NEED_BL2U := yes 608include bl2u/bl2u.mk 609endif 610 611ifeq (${NEED_BL31},yes) 612ifdef BL31_SOURCES 613include bl31/bl31.mk 614endif 615endif 616 617ifdef FDT_SOURCES 618NEED_FDT := yes 619endif 620 621################################################################################ 622# Build options checks 623################################################################################ 624 625$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 626$(eval $(call assert_boolean,CREATE_KEYS)) 627$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 628$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 629$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 630$(eval $(call assert_boolean,DEBUG)) 631$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 632$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 633$(eval $(call assert_boolean,ENABLE_AMU)) 634$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 635$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 636$(eval $(call assert_boolean,ENABLE_PIE)) 637$(eval $(call assert_boolean,ENABLE_PMF)) 638$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 639$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 640$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 641$(eval $(call assert_boolean,ENABLE_SPM)) 642$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 643$(eval $(call assert_boolean,ERROR_DEPRECATED)) 644$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 645$(eval $(call assert_boolean,GENERATE_COT)) 646$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 647$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 648$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 649$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 650$(eval $(call assert_boolean,OVERRIDE_LIBC)) 651$(eval $(call assert_boolean,PL011_GENERIC_UART)) 652$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 653$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 654$(eval $(call assert_boolean,RAS_EXTENSION)) 655$(eval $(call assert_boolean,RESET_TO_BL31)) 656$(eval $(call assert_boolean,SAVE_KEYS)) 657$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 658$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 659$(eval $(call assert_boolean,SPM_MM)) 660$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 661$(eval $(call assert_boolean,USE_COHERENT_MEM)) 662$(eval $(call assert_boolean,USE_ROMLIB)) 663$(eval $(call assert_boolean,USE_TBBR_DEFS)) 664$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 665$(eval $(call assert_boolean,BL2_AT_EL3)) 666$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 667 668$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 669$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 670$(eval $(call assert_numeric,BRANCH_PROTECTION)) 671 672################################################################################ 673# Add definitions to the cpp preprocessor based on the current build options. 674# This is done after including the platform specific makefile to allow the 675# platform to overwrite the default options 676################################################################################ 677 678$(eval $(call add_define,ARM_ARCH_MAJOR)) 679$(eval $(call add_define,ARM_ARCH_MINOR)) 680$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 681$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 682$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 683$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 684$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 685$(eval $(call add_define,ENABLE_AMU)) 686$(eval $(call add_define,ENABLE_ASSERTIONS)) 687$(eval $(call add_define,ENABLE_BTI)) 688$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 689$(eval $(call add_define,ENABLE_PAUTH)) 690$(eval $(call add_define,ENABLE_PIE)) 691$(eval $(call add_define,ENABLE_PMF)) 692$(eval $(call add_define,ENABLE_PSCI_STAT)) 693$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 694$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 695$(eval $(call add_define,ENABLE_SPM)) 696$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 697$(eval $(call add_define,ERROR_DEPRECATED)) 698$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 699$(eval $(call add_define,GICV2_G0_FOR_EL3)) 700$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 701$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 702$(eval $(call add_define,LOG_LEVEL)) 703$(eval $(call add_define,NS_TIMER_SWITCH)) 704$(eval $(call add_define,PL011_GENERIC_UART)) 705$(eval $(call add_define,PLAT_${PLAT})) 706$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 707$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 708$(eval $(call add_define,RAS_EXTENSION)) 709$(eval $(call add_define,RESET_TO_BL31)) 710$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 711$(eval $(call add_define,RECLAIM_INIT_CODE)) 712$(eval $(call add_define,SPD_${SPD})) 713$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 714$(eval $(call add_define,SPM_MM)) 715$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 716$(eval $(call add_define,USE_COHERENT_MEM)) 717$(eval $(call add_define,USE_ROMLIB)) 718$(eval $(call add_define,USE_TBBR_DEFS)) 719$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 720$(eval $(call add_define,BL2_AT_EL3)) 721$(eval $(call add_define,BL2_IN_XIP_MEM)) 722 723# Define the EL3_PAYLOAD_BASE flag only if it is provided. 724ifdef EL3_PAYLOAD_BASE 725 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 726else 727 # Define the PRELOADED_BL33_BASE flag only if it is provided and 728 # EL3_PAYLOAD_BASE is not defined, as it has priority. 729 ifdef PRELOADED_BL33_BASE 730 $(eval $(call add_define,PRELOADED_BL33_BASE)) 731 endif 732endif 733# Define the AARCH32/AARCH64 flag based on the ARCH flag 734ifeq (${ARCH},aarch32) 735 $(eval $(call add_define,AARCH32)) 736else 737 $(eval $(call add_define,AARCH64)) 738endif 739 740# Define the DYN_DISABLE_AUTH flag only if set. 741ifeq (${DYN_DISABLE_AUTH},1) 742$(eval $(call add_define,DYN_DISABLE_AUTH)) 743endif 744 745ifneq ($(findstring armlink,$(notdir $(LD))),) 746$(eval $(call add_define,USE_ARM_LINK)) 747endif 748 749################################################################################ 750# Build targets 751################################################################################ 752 753.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs 754.SUFFIXES: 755 756all: msg_start 757 758msg_start: 759 @echo "Building ${PLAT}" 760 761# Check if deprecated declarations and cpp warnings should be treated as error or not. 762ifeq (${ERROR_DEPRECATED},0) 763ifneq ($(findstring clang,$(notdir $(CC))),) 764 CPPFLAGS += -Wno-error=deprecated-declarations 765else 766 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 767endif 768endif 769 770$(eval $(call MAKE_LIB_DIRS)) 771$(eval $(call MAKE_LIB,c)) 772 773# Expand build macros for the different images 774ifeq (${NEED_BL1},yes) 775$(eval $(call MAKE_BL,1)) 776endif 777 778ifeq (${NEED_BL2},yes) 779ifeq (${BL2_AT_EL3}, 0) 780FIP_BL2_ARGS := tb-fw 781endif 782 783$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 784 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 785endif 786 787ifeq (${NEED_SCP_BL2},yes) 788$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 789endif 790 791ifeq (${NEED_BL31},yes) 792BL31_SOURCES += ${SPD_SOURCES} 793$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 794 $(eval $(call MAKE_BL,31,soc-fw))) 795endif 796 797# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 798# build system will call TOOL_ADD_IMG to print a warning message and abort the 799# process. Note that the dependency on BL32 applies to the FIP only. 800ifeq (${NEED_BL32},yes) 801 802BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 803 804$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 805 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 806endif 807 808# Add the BL33 image if required by the platform 809ifeq (${NEED_BL33},yes) 810$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 811endif 812 813ifeq (${NEED_BL2U},yes) 814$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 815 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 816endif 817 818# Expand build macros for the different images 819ifeq (${NEED_FDT},yes) 820 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 821endif 822 823locate-checkpatch: 824ifndef CHECKPATCH 825 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 826else 827ifeq (,$(wildcard ${CHECKPATCH})) 828 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 829endif 830endif 831 832clean: 833 @echo " CLEAN" 834 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 835 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 836 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 837 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 838 839realclean distclean: 840 @echo " REALCLEAN" 841 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 842 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 843 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 844 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 845 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 846 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 847 848checkcodebase: locate-checkpatch 849 @echo " CHECKING STYLE" 850 @if test -d .git ; then \ 851 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 852 while read GIT_FILE ; \ 853 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 854 done ; \ 855 else \ 856 find . -type f -not -iwholename "*.git*" \ 857 -not -iwholename "*build*" \ 858 -not -iwholename "*libfdt*" \ 859 -not -iwholename "*libc*" \ 860 -not -iwholename "*docs*" \ 861 -not -iwholename "*.rst" \ 862 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 863 fi 864 865checkpatch: locate-checkpatch 866 @echo " CHECKING STYLE" 867 @if test -n "${CHECKPATCH_OPTS}"; then \ 868 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 869 fi 870 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 871 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 872 printf "\n[*] Checking style of '$$commit'\n\n"; \ 873 git log --format=email "$$commit~..$$commit" \ 874 -- ${CHECK_PATHS} | \ 875 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 876 git diff --format=email "$$commit~..$$commit" \ 877 -- ${CHECK_PATHS} | \ 878 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 879 done 880 881certtool: ${CRTTOOL} 882 883.PHONY: ${CRTTOOL} 884${CRTTOOL}: 885 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 886 @${ECHO_BLANK_LINE} 887 @echo "Built $@ successfully" 888 @${ECHO_BLANK_LINE} 889 890ifneq (${GENERATE_COT},0) 891certificates: ${CRT_DEPS} ${CRTTOOL} 892 ${Q}${CRTTOOL} ${CRT_ARGS} 893 @${ECHO_BLANK_LINE} 894 @echo "Built $@ successfully" 895 @echo "Certificates can be found in ${BUILD_PLAT}" 896 @${ECHO_BLANK_LINE} 897endif 898 899${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 900 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 901 ${Q}${FIPTOOL} info $@ 902 @${ECHO_BLANK_LINE} 903 @echo "Built $@ successfully" 904 @${ECHO_BLANK_LINE} 905 906ifneq (${GENERATE_COT},0) 907fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 908 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 909 @${ECHO_BLANK_LINE} 910 @echo "Built $@ successfully" 911 @echo "FWU certificates can be found in ${BUILD_PLAT}" 912 @${ECHO_BLANK_LINE} 913endif 914 915${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 916 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 917 ${Q}${FIPTOOL} info $@ 918 @${ECHO_BLANK_LINE} 919 @echo "Built $@ successfully" 920 @${ECHO_BLANK_LINE} 921 922fiptool: ${FIPTOOL} 923fip: ${BUILD_PLAT}/${FIP_NAME} 924fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 925 926.PHONY: ${FIPTOOL} 927${FIPTOOL}: 928 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 929 930sptool: ${SPTOOL} 931.PHONY: ${SPTOOL} 932${SPTOOL}: 933 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 934 935.PHONY: libraries 936romlib.bin: libraries 937 ${Q}${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 938 939cscope: 940 @echo " CSCOPE" 941 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 942 ${Q}cscope -b -q -k 943 944help: 945 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 946 @echo "" 947 @echo "PLAT is used to specify which platform you wish to build." 948 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 949 @echo "" 950 @echo "platform = ${PLATFORM_LIST}" 951 @echo "" 952 @echo "Please refer to the User Guide for a list of all supported options." 953 @echo "Note that the build system doesn't track dependencies for build " 954 @echo "options. Therefore, if any of the build options are changed " 955 @echo "from a previous build, a clean build must be performed." 956 @echo "" 957 @echo "Supported Targets:" 958 @echo " all Build all individual bootloader binaries" 959 @echo " bl1 Build the BL1 binary" 960 @echo " bl2 Build the BL2 binary" 961 @echo " bl2u Build the BL2U binary" 962 @echo " bl31 Build the BL31 binary" 963 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 964 @echo " this builds secure payload specified by AARCH32_SP" 965 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 966 @echo " fip Build the Firmware Image Package (FIP)" 967 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 968 @echo " checkcodebase Check the coding style of the entire source tree" 969 @echo " checkpatch Check the coding style on changes in the current" 970 @echo " branch against BASE_COMMIT (default origin/master)" 971 @echo " clean Clean the build for the selected platform" 972 @echo " cscope Generate cscope index" 973 @echo " distclean Remove all build artifacts for all platforms" 974 @echo " certtool Build the Certificate generation tool" 975 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 976 @echo " sptool Build the Secure Partition Package creation tool" 977 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 978 @echo "" 979 @echo "Note: most build targets require PLAT to be set to a specific platform." 980 @echo "" 981 @echo "example: build all targets for the FVP platform:" 982 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 983