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 $(CC))),) 259# not using clang 260WARNINGS += -Wunused-but-set-variable \ 261 -Wmaybe-uninitialized \ 262 -Wpacked-bitfield-compat \ 263 -Wshift-overflow=2 264else 265# using clang 266WARNINGS += -Wshift-overflow -Wshift-sign-overflow 267endif 268 269ifneq (${E},0) 270ERRORS := -Werror 271endif 272 273CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 274 -Wmissing-include-dirs $(ERRORS) $(WARNINGS) 275ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 276 -D__ASSEMBLY__ -ffreestanding \ 277 -Wa,--fatal-warnings 278TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 279 -ffreestanding -fno-builtin -Wall -std=gnu99 \ 280 -Os -ffunction-sections -fdata-sections 281 282GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 283 284ifneq ($(findstring armlink,$(notdir $(LD))),) 285TF_LDFLAGS += --diag_error=warning --lto_level=O1 286TF_LDFLAGS += --remove --info=unused,unusedsymbols 287else 288TF_LDFLAGS += --fatal-warnings -O1 289TF_LDFLAGS += --gc-sections 290endif 291TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 292 293DTC_FLAGS += -I dts -O dtb 294DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 295 296################################################################################ 297# Common sources and include directories 298################################################################################ 299include lib/compiler-rt/compiler-rt.mk 300 301BL_COMMON_SOURCES += common/bl_common.c \ 302 common/tf_log.c \ 303 common/${ARCH}/debug.S \ 304 drivers/console/multi_console.c \ 305 lib/${ARCH}/cache_helpers.S \ 306 lib/${ARCH}/misc_helpers.S \ 307 plat/common/plat_bl_common.c \ 308 plat/common/plat_log_common.c \ 309 plat/common/${ARCH}/plat_common.c \ 310 plat/common/${ARCH}/platform_helpers.S \ 311 ${COMPILER_RT_SRCS} 312 313ifeq ($(notdir $(CC)),armclang) 314BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 315endif 316 317INCLUDES += -Iinclude \ 318 -Iinclude/arch/${ARCH} \ 319 -Iinclude/lib/cpus/${ARCH} \ 320 -Iinclude/lib/el3_runtime/${ARCH} \ 321 ${PLAT_INCLUDES} \ 322 ${SPD_INCLUDES} 323 324include common/backtrace/backtrace.mk 325 326################################################################################ 327# Generic definitions 328################################################################################ 329 330include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 331 332BUILD_BASE := ./build 333BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 334 335SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 336 337# Platforms providing their own TBB makefile may override this value 338INCLUDE_TBBR_MK := 1 339 340 341################################################################################ 342# Include SPD Makefile if one has been specified 343################################################################################ 344 345ifneq (${SPD},none) 346ifeq (${ARCH},aarch32) 347 $(error "Error: SPD is incompatible with AArch32.") 348endif 349ifdef EL3_PAYLOAD_BASE 350 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 351 $(warning "The SPD and its BL32 companion will be present but ignored.") 352endif 353 # We expect to locate an spd.mk under the specified SPD directory 354 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 355 356 ifeq (${SPD_MAKE},) 357 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 358 endif 359 $(info Including ${SPD_MAKE}) 360 include ${SPD_MAKE} 361 362 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 363 # Makefile would set NEED_BL32 to "yes". In this case, the build system 364 # supports two mutually exclusive options: 365 # * BL32 is built from source: then BL32_SOURCES must contain the list 366 # of source files to build BL32 367 # * BL32 is a prebuilt binary: then BL32 must point to the image file 368 # that will be included in the FIP 369 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 370 # over the sources. 371endif 372 373################################################################################ 374# Include the platform specific Makefile after the SPD Makefile (the platform 375# makefile may use all previous definitions in this file) 376################################################################################ 377 378include ${PLAT_MAKEFILE_FULL} 379 380$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 381 382ifeq (${ARM_ARCH_MAJOR},7) 383include make_helpers/armv7-a-cpus.mk 384endif 385 386ifeq ($(ENABLE_PIE),1) 387 TF_CFLAGS += -fpie 388 TF_LDFLAGS += -pie --no-dynamic-linker 389else 390 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 391 ifneq ($(PIE_FOUND),) 392 TF_CFLAGS += -fno-PIE 393 endif 394endif 395 396# Include the CPU specific operations makefile, which provides default 397# values for all CPU errata workarounds and CPU specific optimisations. 398# This can be overridden by the platform. 399include lib/cpus/cpu-ops.mk 400 401ifeq (${ARCH},aarch32) 402NEED_BL32 := yes 403 404################################################################################ 405# Build `AARCH32_SP` as BL32 image for AArch32 406################################################################################ 407ifneq (${AARCH32_SP},none) 408# We expect to locate an sp.mk under the specified AARCH32_SP directory 409AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 410 411ifeq (${AARCH32_SP_MAKE},) 412 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 413endif 414 415$(info Including ${AARCH32_SP_MAKE}) 416include ${AARCH32_SP_MAKE} 417endif 418 419endif 420 421################################################################################ 422# Include libc if not overridden 423################################################################################ 424ifeq (${OVERRIDE_LIBC},0) 425include lib/libc/libc.mk 426endif 427 428################################################################################ 429# Check incompatible options 430################################################################################ 431 432ifdef EL3_PAYLOAD_BASE 433 ifdef PRELOADED_BL33_BASE 434 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 435 incompatible build options. EL3_PAYLOAD_BASE has priority.") 436 endif 437 ifneq (${GENERATE_COT},0) 438 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 439 endif 440 ifneq (${TRUSTED_BOARD_BOOT},0) 441 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 442 endif 443endif 444 445ifeq (${NEED_BL33},yes) 446 ifdef EL3_PAYLOAD_BASE 447 $(warning "BL33 image is not needed when option \ 448 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 449 endif 450 ifdef PRELOADED_BL33_BASE 451 $(warning "BL33 image is not needed when option \ 452 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 453 file.") 454 endif 455endif 456 457# When building for systems with hardware-assisted coherency, there's no need to 458# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 459ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 460$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 461endif 462 463#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 464ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 465$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 466endif 467 468# For RAS_EXTENSION, require that EAs are handled in EL3 first 469ifeq ($(RAS_EXTENSION),1) 470 ifneq ($(HANDLE_EA_EL3_FIRST),1) 471 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 472 endif 473endif 474 475# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 476ifeq ($(FAULT_INJECTION_SUPPORT),1) 477 ifneq ($(RAS_EXTENSION),1) 478 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 479 endif 480endif 481 482# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 483ifeq ($(DYN_DISABLE_AUTH), 1) 484 ifeq (${TRUSTED_BOARD_BOOT}, 0) 485 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 486 endif 487endif 488 489# If pointer authentication is used in the firmware, make sure that all the 490# registers associated to it are also saved and restored. 491# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 492ifeq ($(ENABLE_PAUTH),1) 493 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 494 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 495 endif 496endif 497 498ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 499 ifneq (${ARCH},aarch64) 500 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 501 else 502 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 503 endif 504endif 505 506ifeq ($(ENABLE_PAUTH),1) 507 $(info Pointer Authentication is an experimental feature) 508endif 509 510ifeq ($(ENABLE_BTI),1) 511 $(info Branch Protection is an experimental feature) 512endif 513 514################################################################################ 515# Process platform overrideable behaviour 516################################################################################ 517 518# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 519# Certificate generation tools. This flag can be overridden by the platform. 520ifdef BL2_SOURCES 521 ifdef EL3_PAYLOAD_BASE 522 # If booting an EL3 payload there is no need for a BL33 image 523 # in the FIP file. 524 NEED_BL33 := no 525 else 526 ifdef PRELOADED_BL33_BASE 527 # If booting a BL33 preloaded image there is no need of 528 # another one in the FIP file. 529 NEED_BL33 := no 530 else 531 NEED_BL33 ?= yes 532 endif 533 endif 534endif 535 536# If SCP_BL2 is given, we always want FIP to include it. 537ifdef SCP_BL2 538 NEED_SCP_BL2 := yes 539endif 540 541# For AArch32, BL31 is not currently supported. 542ifneq (${ARCH},aarch32) 543 ifdef BL31_SOURCES 544 # When booting an EL3 payload, there is no need to compile the BL31 image nor 545 # put it in the FIP. 546 ifndef EL3_PAYLOAD_BASE 547 NEED_BL31 := yes 548 endif 549 endif 550endif 551 552# Process TBB related flags 553ifneq (${GENERATE_COT},0) 554 # Common cert_create options 555 ifneq (${CREATE_KEYS},0) 556 $(eval CRT_ARGS += -n) 557 $(eval FWU_CRT_ARGS += -n) 558 ifneq (${SAVE_KEYS},0) 559 $(eval CRT_ARGS += -k) 560 $(eval FWU_CRT_ARGS += -k) 561 endif 562 endif 563 # Include TBBR makefile (unless the platform indicates otherwise) 564 ifeq (${INCLUDE_TBBR_MK},1) 565 include make_helpers/tbbr/tbbr_tools.mk 566 endif 567endif 568 569ifneq (${FIP_ALIGN},0) 570FIP_ARGS += --align ${FIP_ALIGN} 571endif 572 573################################################################################ 574# Include libraries' Makefile that are used in all BL 575################################################################################ 576 577include lib/stack_protector/stack_protector.mk 578 579################################################################################ 580# Auxiliary tools (fiptool, cert_create, etc) 581################################################################################ 582 583# Variables for use with Certificate Generation Tool 584CRTTOOLPATH ?= tools/cert_create 585CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 586 587# Variables for use with Firmware Image Package 588FIPTOOLPATH ?= tools/fiptool 589FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 590 591# Variables for use with sptool 592SPTOOLPATH ?= tools/sptool 593SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 594 595# Variables for use with ROMLIB 596ROMLIBPATH ?= lib/romlib 597 598################################################################################ 599# Include BL specific makefiles 600################################################################################ 601ifdef BL1_SOURCES 602NEED_BL1 := yes 603include bl1/bl1.mk 604endif 605 606ifdef BL2_SOURCES 607NEED_BL2 := yes 608include bl2/bl2.mk 609endif 610 611ifdef BL2U_SOURCES 612NEED_BL2U := yes 613include bl2u/bl2u.mk 614endif 615 616ifeq (${NEED_BL31},yes) 617ifdef BL31_SOURCES 618include bl31/bl31.mk 619endif 620endif 621 622ifdef FDT_SOURCES 623NEED_FDT := yes 624endif 625 626################################################################################ 627# Build options checks 628################################################################################ 629 630$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 631$(eval $(call assert_boolean,CREATE_KEYS)) 632$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 633$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 634$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 635$(eval $(call assert_boolean,DEBUG)) 636$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 637$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 638$(eval $(call assert_boolean,ENABLE_AMU)) 639$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 640$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 641$(eval $(call assert_boolean,ENABLE_PIE)) 642$(eval $(call assert_boolean,ENABLE_PMF)) 643$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 644$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 645$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 646$(eval $(call assert_boolean,ENABLE_SPM)) 647$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 648$(eval $(call assert_boolean,ERROR_DEPRECATED)) 649$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 650$(eval $(call assert_boolean,GENERATE_COT)) 651$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 652$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 653$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 654$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 655$(eval $(call assert_boolean,OVERRIDE_LIBC)) 656$(eval $(call assert_boolean,PL011_GENERIC_UART)) 657$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 658$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 659$(eval $(call assert_boolean,RAS_EXTENSION)) 660$(eval $(call assert_boolean,RESET_TO_BL31)) 661$(eval $(call assert_boolean,SAVE_KEYS)) 662$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 663$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 664$(eval $(call assert_boolean,SPM_MM)) 665$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 666$(eval $(call assert_boolean,USE_COHERENT_MEM)) 667$(eval $(call assert_boolean,USE_ROMLIB)) 668$(eval $(call assert_boolean,USE_TBBR_DEFS)) 669$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 670$(eval $(call assert_boolean,BL2_AT_EL3)) 671$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 672 673$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 674$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 675$(eval $(call assert_numeric,BRANCH_PROTECTION)) 676 677################################################################################ 678# Add definitions to the cpp preprocessor based on the current build options. 679# This is done after including the platform specific makefile to allow the 680# platform to overwrite the default options 681################################################################################ 682 683$(eval $(call add_define,ARM_ARCH_MAJOR)) 684$(eval $(call add_define,ARM_ARCH_MINOR)) 685$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 686$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 687$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 688$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 689$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 690$(eval $(call add_define,ENABLE_AMU)) 691$(eval $(call add_define,ENABLE_ASSERTIONS)) 692$(eval $(call add_define,ENABLE_BTI)) 693$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 694$(eval $(call add_define,ENABLE_PAUTH)) 695$(eval $(call add_define,ENABLE_PIE)) 696$(eval $(call add_define,ENABLE_PMF)) 697$(eval $(call add_define,ENABLE_PSCI_STAT)) 698$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 699$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 700$(eval $(call add_define,ENABLE_SPM)) 701$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 702$(eval $(call add_define,ERROR_DEPRECATED)) 703$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 704$(eval $(call add_define,GICV2_G0_FOR_EL3)) 705$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 706$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 707$(eval $(call add_define,LOG_LEVEL)) 708$(eval $(call add_define,NS_TIMER_SWITCH)) 709$(eval $(call add_define,PL011_GENERIC_UART)) 710$(eval $(call add_define,PLAT_${PLAT})) 711$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 712$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 713$(eval $(call add_define,RAS_EXTENSION)) 714$(eval $(call add_define,RESET_TO_BL31)) 715$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 716$(eval $(call add_define,RECLAIM_INIT_CODE)) 717$(eval $(call add_define,SPD_${SPD})) 718$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 719$(eval $(call add_define,SPM_MM)) 720$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 721$(eval $(call add_define,USE_COHERENT_MEM)) 722$(eval $(call add_define,USE_ROMLIB)) 723$(eval $(call add_define,USE_TBBR_DEFS)) 724$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 725$(eval $(call add_define,BL2_AT_EL3)) 726$(eval $(call add_define,BL2_IN_XIP_MEM)) 727 728# Define the EL3_PAYLOAD_BASE flag only if it is provided. 729ifdef EL3_PAYLOAD_BASE 730 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 731else 732 # Define the PRELOADED_BL33_BASE flag only if it is provided and 733 # EL3_PAYLOAD_BASE is not defined, as it has priority. 734 ifdef PRELOADED_BL33_BASE 735 $(eval $(call add_define,PRELOADED_BL33_BASE)) 736 endif 737endif 738# Define the AARCH32/AARCH64 flag based on the ARCH flag 739ifeq (${ARCH},aarch32) 740 $(eval $(call add_define,AARCH32)) 741else 742 $(eval $(call add_define,AARCH64)) 743endif 744 745# Define the DYN_DISABLE_AUTH flag only if set. 746ifeq (${DYN_DISABLE_AUTH},1) 747$(eval $(call add_define,DYN_DISABLE_AUTH)) 748endif 749 750ifneq ($(findstring armlink,$(notdir $(LD))),) 751$(eval $(call add_define,USE_ARM_LINK)) 752endif 753 754################################################################################ 755# Build targets 756################################################################################ 757 758.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs 759.SUFFIXES: 760 761all: msg_start 762 763msg_start: 764 @echo "Building ${PLAT}" 765 766# Check if deprecated declarations and cpp warnings should be treated as error or not. 767ifeq (${ERROR_DEPRECATED},0) 768ifneq ($(findstring clang,$(notdir $(CC))),) 769 CPPFLAGS += -Wno-error=deprecated-declarations 770else 771 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 772endif 773endif 774 775$(eval $(call MAKE_LIB_DIRS)) 776$(eval $(call MAKE_LIB,c)) 777 778# Expand build macros for the different images 779ifeq (${NEED_BL1},yes) 780$(eval $(call MAKE_BL,1)) 781endif 782 783ifeq (${NEED_BL2},yes) 784ifeq (${BL2_AT_EL3}, 0) 785FIP_BL2_ARGS := tb-fw 786endif 787 788$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 789 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 790endif 791 792ifeq (${NEED_SCP_BL2},yes) 793$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 794endif 795 796ifeq (${NEED_BL31},yes) 797BL31_SOURCES += ${SPD_SOURCES} 798$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 799 $(eval $(call MAKE_BL,31,soc-fw))) 800endif 801 802# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 803# build system will call TOOL_ADD_IMG to print a warning message and abort the 804# process. Note that the dependency on BL32 applies to the FIP only. 805ifeq (${NEED_BL32},yes) 806 807BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 808 809$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 810 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 811endif 812 813# Add the BL33 image if required by the platform 814ifeq (${NEED_BL33},yes) 815$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 816endif 817 818ifeq (${NEED_BL2U},yes) 819$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 820 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 821endif 822 823# Expand build macros for the different images 824ifeq (${NEED_FDT},yes) 825 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 826endif 827 828locate-checkpatch: 829ifndef CHECKPATCH 830 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 831else 832ifeq (,$(wildcard ${CHECKPATCH})) 833 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 834endif 835endif 836 837clean: 838 @echo " CLEAN" 839 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 840 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 841 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 842 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 843 844realclean distclean: 845 @echo " REALCLEAN" 846 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 847 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 848 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 849 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 850 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 851 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 852 853checkcodebase: locate-checkpatch 854 @echo " CHECKING STYLE" 855 @if test -d .git ; then \ 856 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 857 while read GIT_FILE ; \ 858 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 859 done ; \ 860 else \ 861 find . -type f -not -iwholename "*.git*" \ 862 -not -iwholename "*build*" \ 863 -not -iwholename "*libfdt*" \ 864 -not -iwholename "*libc*" \ 865 -not -iwholename "*docs*" \ 866 -not -iwholename "*.rst" \ 867 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 868 fi 869 870checkpatch: locate-checkpatch 871 @echo " CHECKING STYLE" 872 @if test -n "${CHECKPATCH_OPTS}"; then \ 873 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 874 fi 875 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 876 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 877 printf "\n[*] Checking style of '$$commit'\n\n"; \ 878 git log --format=email "$$commit~..$$commit" \ 879 -- ${CHECK_PATHS} | \ 880 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 881 git diff --format=email "$$commit~..$$commit" \ 882 -- ${CHECK_PATHS} | \ 883 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 884 done 885 886certtool: ${CRTTOOL} 887 888.PHONY: ${CRTTOOL} 889${CRTTOOL}: 890 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 891 @${ECHO_BLANK_LINE} 892 @echo "Built $@ successfully" 893 @${ECHO_BLANK_LINE} 894 895ifneq (${GENERATE_COT},0) 896certificates: ${CRT_DEPS} ${CRTTOOL} 897 ${Q}${CRTTOOL} ${CRT_ARGS} 898 @${ECHO_BLANK_LINE} 899 @echo "Built $@ successfully" 900 @echo "Certificates can be found in ${BUILD_PLAT}" 901 @${ECHO_BLANK_LINE} 902endif 903 904${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 905 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 906 ${Q}${FIPTOOL} info $@ 907 @${ECHO_BLANK_LINE} 908 @echo "Built $@ successfully" 909 @${ECHO_BLANK_LINE} 910 911ifneq (${GENERATE_COT},0) 912fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 913 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 914 @${ECHO_BLANK_LINE} 915 @echo "Built $@ successfully" 916 @echo "FWU certificates can be found in ${BUILD_PLAT}" 917 @${ECHO_BLANK_LINE} 918endif 919 920${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 921 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 922 ${Q}${FIPTOOL} info $@ 923 @${ECHO_BLANK_LINE} 924 @echo "Built $@ successfully" 925 @${ECHO_BLANK_LINE} 926 927fiptool: ${FIPTOOL} 928fip: ${BUILD_PLAT}/${FIP_NAME} 929fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 930 931.PHONY: ${FIPTOOL} 932${FIPTOOL}: 933 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 934 935sptool: ${SPTOOL} 936.PHONY: ${SPTOOL} 937${SPTOOL}: 938 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 939 940.PHONY: libraries 941romlib.bin: libraries 942 ${Q}${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 943 944cscope: 945 @echo " CSCOPE" 946 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 947 ${Q}cscope -b -q -k 948 949help: 950 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 951 @echo "" 952 @echo "PLAT is used to specify which platform you wish to build." 953 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 954 @echo "" 955 @echo "platform = ${PLATFORM_LIST}" 956 @echo "" 957 @echo "Please refer to the User Guide for a list of all supported options." 958 @echo "Note that the build system doesn't track dependencies for build " 959 @echo "options. Therefore, if any of the build options are changed " 960 @echo "from a previous build, a clean build must be performed." 961 @echo "" 962 @echo "Supported Targets:" 963 @echo " all Build all individual bootloader binaries" 964 @echo " bl1 Build the BL1 binary" 965 @echo " bl2 Build the BL2 binary" 966 @echo " bl2u Build the BL2U binary" 967 @echo " bl31 Build the BL31 binary" 968 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 969 @echo " this builds secure payload specified by AARCH32_SP" 970 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 971 @echo " fip Build the Firmware Image Package (FIP)" 972 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 973 @echo " checkcodebase Check the coding style of the entire source tree" 974 @echo " checkpatch Check the coding style on changes in the current" 975 @echo " branch against BASE_COMMIT (default origin/master)" 976 @echo " clean Clean the build for the selected platform" 977 @echo " cscope Generate cscope index" 978 @echo " distclean Remove all build artifacts for all platforms" 979 @echo " certtool Build the Certificate generation tool" 980 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 981 @echo " sptool Build the Secure Partition Package creation tool" 982 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 983 @echo "" 984 @echo "Note: most build targets require PLAT to be set to a specific platform." 985 @echo "" 986 @echo "example: build all targets for the FVP platform:" 987 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 988