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 -ffreestanding -Wa,--fatal-warnings 277TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 278 -ffreestanding -fno-builtin -Wall -std=gnu99 \ 279 -Os -ffunction-sections -fdata-sections 280 281GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 282 283ifneq ($(findstring armlink,$(notdir $(LD))),) 284TF_LDFLAGS += --diag_error=warning --lto_level=O1 285TF_LDFLAGS += --remove --info=unused,unusedsymbols 286else 287TF_LDFLAGS += --fatal-warnings -O1 288TF_LDFLAGS += --gc-sections 289endif 290TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 291 292DTC_FLAGS += -I dts -O dtb 293DTC_CPPFLAGS += -nostdinc -Iinclude -undef -x assembler-with-cpp 294 295################################################################################ 296# Common sources and include directories 297################################################################################ 298include lib/compiler-rt/compiler-rt.mk 299 300BL_COMMON_SOURCES += common/bl_common.c \ 301 common/tf_log.c \ 302 common/${ARCH}/debug.S \ 303 drivers/console/multi_console.c \ 304 lib/${ARCH}/cache_helpers.S \ 305 lib/${ARCH}/misc_helpers.S \ 306 plat/common/plat_bl_common.c \ 307 plat/common/plat_log_common.c \ 308 plat/common/${ARCH}/plat_common.c \ 309 plat/common/${ARCH}/platform_helpers.S \ 310 ${COMPILER_RT_SRCS} 311 312ifeq ($(notdir $(CC)),armclang) 313BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 314endif 315 316INCLUDES += -Iinclude \ 317 -Iinclude/arch/${ARCH} \ 318 -Iinclude/lib/cpus/${ARCH} \ 319 -Iinclude/lib/el3_runtime/${ARCH} \ 320 ${PLAT_INCLUDES} \ 321 ${SPD_INCLUDES} 322 323include common/backtrace/backtrace.mk 324 325################################################################################ 326# Generic definitions 327################################################################################ 328 329include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 330 331BUILD_BASE := ./build 332BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 333 334SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 335 336# Platforms providing their own TBB makefile may override this value 337INCLUDE_TBBR_MK := 1 338 339 340################################################################################ 341# Include SPD Makefile if one has been specified 342################################################################################ 343 344ifneq (${SPD},none) 345ifeq (${ARCH},aarch32) 346 $(error "Error: SPD is incompatible with AArch32.") 347endif 348ifdef EL3_PAYLOAD_BASE 349 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 350 $(warning "The SPD and its BL32 companion will be present but ignored.") 351endif 352 # We expect to locate an spd.mk under the specified SPD directory 353 SPD_MAKE := $(wildcard services/spd/${SPD}/${SPD}.mk) 354 355 ifeq (${SPD_MAKE},) 356 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 357 endif 358 $(info Including ${SPD_MAKE}) 359 include ${SPD_MAKE} 360 361 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 362 # Makefile would set NEED_BL32 to "yes". In this case, the build system 363 # supports two mutually exclusive options: 364 # * BL32 is built from source: then BL32_SOURCES must contain the list 365 # of source files to build BL32 366 # * BL32 is a prebuilt binary: then BL32 must point to the image file 367 # that will be included in the FIP 368 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 369 # over the sources. 370endif 371 372################################################################################ 373# Include the platform specific Makefile after the SPD Makefile (the platform 374# makefile may use all previous definitions in this file) 375################################################################################ 376 377include ${PLAT_MAKEFILE_FULL} 378 379$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 380 381ifeq (${ARM_ARCH_MAJOR},7) 382include make_helpers/armv7-a-cpus.mk 383endif 384 385ifeq ($(ENABLE_PIE),1) 386 TF_CFLAGS += -fpie 387 TF_LDFLAGS += -pie --no-dynamic-linker 388else 389 PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 390 ifneq ($(PIE_FOUND),) 391 TF_CFLAGS += -fno-PIE 392 endif 393endif 394 395# Include the CPU specific operations makefile, which provides default 396# values for all CPU errata workarounds and CPU specific optimisations. 397# This can be overridden by the platform. 398include lib/cpus/cpu-ops.mk 399 400ifeq (${ARCH},aarch32) 401NEED_BL32 := yes 402 403################################################################################ 404# Build `AARCH32_SP` as BL32 image for AArch32 405################################################################################ 406ifneq (${AARCH32_SP},none) 407# We expect to locate an sp.mk under the specified AARCH32_SP directory 408AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 409 410ifeq (${AARCH32_SP_MAKE},) 411 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 412endif 413 414$(info Including ${AARCH32_SP_MAKE}) 415include ${AARCH32_SP_MAKE} 416endif 417 418endif 419 420################################################################################ 421# Include libc if not overridden 422################################################################################ 423ifeq (${OVERRIDE_LIBC},0) 424include lib/libc/libc.mk 425endif 426 427################################################################################ 428# Check incompatible options 429################################################################################ 430 431ifdef EL3_PAYLOAD_BASE 432 ifdef PRELOADED_BL33_BASE 433 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 434 incompatible build options. EL3_PAYLOAD_BASE has priority.") 435 endif 436 ifneq (${GENERATE_COT},0) 437 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 438 endif 439 ifneq (${TRUSTED_BOARD_BOOT},0) 440 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 441 endif 442endif 443 444ifeq (${NEED_BL33},yes) 445 ifdef EL3_PAYLOAD_BASE 446 $(warning "BL33 image is not needed when option \ 447 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 448 endif 449 ifdef PRELOADED_BL33_BASE 450 $(warning "BL33 image is not needed when option \ 451 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 452 file.") 453 endif 454endif 455 456# When building for systems with hardware-assisted coherency, there's no need to 457# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 458ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 459$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 460endif 461 462#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 463ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 464$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 465endif 466 467# For RAS_EXTENSION, require that EAs are handled in EL3 first 468ifeq ($(RAS_EXTENSION),1) 469 ifneq ($(HANDLE_EA_EL3_FIRST),1) 470 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 471 endif 472endif 473 474# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 475ifeq ($(FAULT_INJECTION_SUPPORT),1) 476 ifneq ($(RAS_EXTENSION),1) 477 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 478 endif 479endif 480 481# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 482ifeq ($(DYN_DISABLE_AUTH), 1) 483 ifeq (${TRUSTED_BOARD_BOOT}, 0) 484 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 485 endif 486endif 487 488# If pointer authentication is used in the firmware, make sure that all the 489# registers associated to it are also saved and restored. 490# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 491ifeq ($(ENABLE_PAUTH),1) 492 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 493 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 494 endif 495endif 496 497ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 498 ifneq (${ARCH},aarch64) 499 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 500 else 501 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 502 endif 503endif 504 505ifeq ($(ENABLE_PAUTH),1) 506 $(info Pointer Authentication is an experimental feature) 507endif 508 509ifeq ($(ENABLE_BTI),1) 510 $(info Branch Protection is an experimental feature) 511endif 512 513ifeq ($(CTX_INCLUDE_MTE_REGS),1) 514 ifneq (${ARCH},aarch64) 515 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 516 else 517 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 518 endif 519endif 520 521################################################################################ 522# Process platform overrideable behaviour 523################################################################################ 524 525# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 526# Certificate generation tools. This flag can be overridden by the platform. 527ifdef BL2_SOURCES 528 ifdef EL3_PAYLOAD_BASE 529 # If booting an EL3 payload there is no need for a BL33 image 530 # in the FIP file. 531 NEED_BL33 := no 532 else 533 ifdef PRELOADED_BL33_BASE 534 # If booting a BL33 preloaded image there is no need of 535 # another one in the FIP file. 536 NEED_BL33 := no 537 else 538 NEED_BL33 ?= yes 539 endif 540 endif 541endif 542 543# If SCP_BL2 is given, we always want FIP to include it. 544ifdef SCP_BL2 545 NEED_SCP_BL2 := yes 546endif 547 548# For AArch32, BL31 is not currently supported. 549ifneq (${ARCH},aarch32) 550 ifdef BL31_SOURCES 551 # When booting an EL3 payload, there is no need to compile the BL31 image nor 552 # put it in the FIP. 553 ifndef EL3_PAYLOAD_BASE 554 NEED_BL31 := yes 555 endif 556 endif 557endif 558 559# Process TBB related flags 560ifneq (${GENERATE_COT},0) 561 # Common cert_create options 562 ifneq (${CREATE_KEYS},0) 563 $(eval CRT_ARGS += -n) 564 $(eval FWU_CRT_ARGS += -n) 565 ifneq (${SAVE_KEYS},0) 566 $(eval CRT_ARGS += -k) 567 $(eval FWU_CRT_ARGS += -k) 568 endif 569 endif 570 # Include TBBR makefile (unless the platform indicates otherwise) 571 ifeq (${INCLUDE_TBBR_MK},1) 572 include make_helpers/tbbr/tbbr_tools.mk 573 endif 574endif 575 576ifneq (${FIP_ALIGN},0) 577FIP_ARGS += --align ${FIP_ALIGN} 578endif 579 580################################################################################ 581# Include libraries' Makefile that are used in all BL 582################################################################################ 583 584include lib/stack_protector/stack_protector.mk 585 586################################################################################ 587# Auxiliary tools (fiptool, cert_create, etc) 588################################################################################ 589 590# Variables for use with Certificate Generation Tool 591CRTTOOLPATH ?= tools/cert_create 592CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 593 594# Variables for use with Firmware Image Package 595FIPTOOLPATH ?= tools/fiptool 596FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 597 598# Variables for use with sptool 599SPTOOLPATH ?= tools/sptool 600SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 601 602# Variables for use with ROMLIB 603ROMLIBPATH ?= lib/romlib 604 605################################################################################ 606# Include BL specific makefiles 607################################################################################ 608ifdef BL1_SOURCES 609NEED_BL1 := yes 610include bl1/bl1.mk 611endif 612 613ifdef BL2_SOURCES 614NEED_BL2 := yes 615include bl2/bl2.mk 616endif 617 618ifdef BL2U_SOURCES 619NEED_BL2U := yes 620include bl2u/bl2u.mk 621endif 622 623ifeq (${NEED_BL31},yes) 624ifdef BL31_SOURCES 625include bl31/bl31.mk 626endif 627endif 628 629ifdef FDT_SOURCES 630NEED_FDT := yes 631endif 632 633################################################################################ 634# Build options checks 635################################################################################ 636 637$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 638$(eval $(call assert_boolean,CREATE_KEYS)) 639$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 640$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 641$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 642$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 643$(eval $(call assert_boolean,DEBUG)) 644$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 645$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 646$(eval $(call assert_boolean,ENABLE_AMU)) 647$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 648$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 649$(eval $(call assert_boolean,ENABLE_PIE)) 650$(eval $(call assert_boolean,ENABLE_PMF)) 651$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 652$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 653$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 654$(eval $(call assert_boolean,ENABLE_SPM)) 655$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 656$(eval $(call assert_boolean,ERROR_DEPRECATED)) 657$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 658$(eval $(call assert_boolean,GENERATE_COT)) 659$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 660$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 661$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 662$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 663$(eval $(call assert_boolean,OVERRIDE_LIBC)) 664$(eval $(call assert_boolean,PL011_GENERIC_UART)) 665$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 666$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 667$(eval $(call assert_boolean,RAS_EXTENSION)) 668$(eval $(call assert_boolean,RESET_TO_BL31)) 669$(eval $(call assert_boolean,SAVE_KEYS)) 670$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 671$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 672$(eval $(call assert_boolean,SPM_MM)) 673$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 674$(eval $(call assert_boolean,USE_COHERENT_MEM)) 675$(eval $(call assert_boolean,USE_ROMLIB)) 676$(eval $(call assert_boolean,USE_TBBR_DEFS)) 677$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 678$(eval $(call assert_boolean,BL2_AT_EL3)) 679$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 680 681$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 682$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 683$(eval $(call assert_numeric,BRANCH_PROTECTION)) 684 685################################################################################ 686# Add definitions to the cpp preprocessor based on the current build options. 687# This is done after including the platform specific makefile to allow the 688# platform to overwrite the default options 689################################################################################ 690 691$(eval $(call add_define,ARM_ARCH_MAJOR)) 692$(eval $(call add_define,ARM_ARCH_MINOR)) 693$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 694$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 695$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 696$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 697$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 698$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 699$(eval $(call add_define,ENABLE_AMU)) 700$(eval $(call add_define,ENABLE_ASSERTIONS)) 701$(eval $(call add_define,ENABLE_BTI)) 702$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 703$(eval $(call add_define,ENABLE_PAUTH)) 704$(eval $(call add_define,ENABLE_PIE)) 705$(eval $(call add_define,ENABLE_PMF)) 706$(eval $(call add_define,ENABLE_PSCI_STAT)) 707$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 708$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 709$(eval $(call add_define,ENABLE_SPM)) 710$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 711$(eval $(call add_define,ERROR_DEPRECATED)) 712$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 713$(eval $(call add_define,GICV2_G0_FOR_EL3)) 714$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 715$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 716$(eval $(call add_define,LOG_LEVEL)) 717$(eval $(call add_define,NS_TIMER_SWITCH)) 718$(eval $(call add_define,PL011_GENERIC_UART)) 719$(eval $(call add_define,PLAT_${PLAT})) 720$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 721$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 722$(eval $(call add_define,RAS_EXTENSION)) 723$(eval $(call add_define,RESET_TO_BL31)) 724$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 725$(eval $(call add_define,RECLAIM_INIT_CODE)) 726$(eval $(call add_define,SPD_${SPD})) 727$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 728$(eval $(call add_define,SPM_MM)) 729$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 730$(eval $(call add_define,USE_COHERENT_MEM)) 731$(eval $(call add_define,USE_ROMLIB)) 732$(eval $(call add_define,USE_TBBR_DEFS)) 733$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 734$(eval $(call add_define,BL2_AT_EL3)) 735$(eval $(call add_define,BL2_IN_XIP_MEM)) 736 737# Define the EL3_PAYLOAD_BASE flag only if it is provided. 738ifdef EL3_PAYLOAD_BASE 739 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 740else 741 # Define the PRELOADED_BL33_BASE flag only if it is provided and 742 # EL3_PAYLOAD_BASE is not defined, as it has priority. 743 ifdef PRELOADED_BL33_BASE 744 $(eval $(call add_define,PRELOADED_BL33_BASE)) 745 endif 746endif 747 748# Define the DYN_DISABLE_AUTH flag only if set. 749ifeq (${DYN_DISABLE_AUTH},1) 750$(eval $(call add_define,DYN_DISABLE_AUTH)) 751endif 752 753ifneq ($(findstring armlink,$(notdir $(LD))),) 754$(eval $(call add_define,USE_ARM_LINK)) 755endif 756 757################################################################################ 758# Build targets 759################################################################################ 760 761.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip fwu_fip certtool dtbs 762.SUFFIXES: 763 764all: msg_start 765 766msg_start: 767 @echo "Building ${PLAT}" 768 769ifeq (${ERROR_DEPRECATED},0) 770# Check if deprecated declarations and cpp warnings should be treated as error or not. 771ifneq ($(findstring clang,$(notdir $(CC))),) 772 CPPFLAGS += -Wno-error=deprecated-declarations 773else 774 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 775endif 776# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 777ASFLAGS += -D__ASSEMBLY__ 778# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 779ifeq (${ARCH},aarch32) 780 $(eval $(call add_define,AARCH32)) 781else 782 $(eval $(call add_define,AARCH64)) 783endif 784endif # !ERROR_DEPRECATED 785 786$(eval $(call MAKE_LIB_DIRS)) 787$(eval $(call MAKE_LIB,c)) 788 789# Expand build macros for the different images 790ifeq (${NEED_BL1},yes) 791$(eval $(call MAKE_BL,1)) 792endif 793 794ifeq (${NEED_BL2},yes) 795ifeq (${BL2_AT_EL3}, 0) 796FIP_BL2_ARGS := tb-fw 797endif 798 799$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 800 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 801endif 802 803ifeq (${NEED_SCP_BL2},yes) 804$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 805endif 806 807ifeq (${NEED_BL31},yes) 808BL31_SOURCES += ${SPD_SOURCES} 809$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 810 $(eval $(call MAKE_BL,31,soc-fw))) 811endif 812 813# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 814# build system will call TOOL_ADD_IMG to print a warning message and abort the 815# process. Note that the dependency on BL32 applies to the FIP only. 816ifeq (${NEED_BL32},yes) 817 818BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 819 820$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 821 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 822endif 823 824# Add the BL33 image if required by the platform 825ifeq (${NEED_BL33},yes) 826$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 827endif 828 829ifeq (${NEED_BL2U},yes) 830$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 831 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 832endif 833 834# Expand build macros for the different images 835ifeq (${NEED_FDT},yes) 836 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 837endif 838 839locate-checkpatch: 840ifndef CHECKPATCH 841 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 842else 843ifeq (,$(wildcard ${CHECKPATCH})) 844 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 845endif 846endif 847 848clean: 849 @echo " CLEAN" 850 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 851 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 852 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 853 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 854 855realclean distclean: 856 @echo " REALCLEAN" 857 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 858 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 859 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 860 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 861 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 862 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 863 864checkcodebase: locate-checkpatch 865 @echo " CHECKING STYLE" 866 @if test -d .git ; then \ 867 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 868 while read GIT_FILE ; \ 869 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 870 done ; \ 871 else \ 872 find . -type f -not -iwholename "*.git*" \ 873 -not -iwholename "*build*" \ 874 -not -iwholename "*libfdt*" \ 875 -not -iwholename "*libc*" \ 876 -not -iwholename "*docs*" \ 877 -not -iwholename "*.rst" \ 878 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 879 fi 880 881checkpatch: locate-checkpatch 882 @echo " CHECKING STYLE" 883 @if test -n "${CHECKPATCH_OPTS}"; then \ 884 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 885 fi 886 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 887 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 888 printf "\n[*] Checking style of '$$commit'\n\n"; \ 889 git log --format=email "$$commit~..$$commit" \ 890 -- ${CHECK_PATHS} | \ 891 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 892 git diff --format=email "$$commit~..$$commit" \ 893 -- ${CHECK_PATHS} | \ 894 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 895 done 896 897certtool: ${CRTTOOL} 898 899.PHONY: ${CRTTOOL} 900${CRTTOOL}: 901 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} --no-print-directory -C ${CRTTOOLPATH} 902 @${ECHO_BLANK_LINE} 903 @echo "Built $@ successfully" 904 @${ECHO_BLANK_LINE} 905 906ifneq (${GENERATE_COT},0) 907certificates: ${CRT_DEPS} ${CRTTOOL} 908 ${Q}${CRTTOOL} ${CRT_ARGS} 909 @${ECHO_BLANK_LINE} 910 @echo "Built $@ successfully" 911 @echo "Certificates can be found in ${BUILD_PLAT}" 912 @${ECHO_BLANK_LINE} 913endif 914 915${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 916 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 917 ${Q}${FIPTOOL} info $@ 918 @${ECHO_BLANK_LINE} 919 @echo "Built $@ successfully" 920 @${ECHO_BLANK_LINE} 921 922ifneq (${GENERATE_COT},0) 923fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 924 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 925 @${ECHO_BLANK_LINE} 926 @echo "Built $@ successfully" 927 @echo "FWU certificates can be found in ${BUILD_PLAT}" 928 @${ECHO_BLANK_LINE} 929endif 930 931${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 932 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 933 ${Q}${FIPTOOL} info $@ 934 @${ECHO_BLANK_LINE} 935 @echo "Built $@ successfully" 936 @${ECHO_BLANK_LINE} 937 938fiptool: ${FIPTOOL} 939fip: ${BUILD_PLAT}/${FIP_NAME} 940fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 941 942.PHONY: ${FIPTOOL} 943${FIPTOOL}: 944 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 945 946sptool: ${SPTOOL} 947.PHONY: ${SPTOOL} 948${SPTOOL}: 949 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 950 951.PHONY: libraries 952romlib.bin: libraries 953 ${Q}${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 954 955cscope: 956 @echo " CSCOPE" 957 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 958 ${Q}cscope -b -q -k 959 960help: 961 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 962 @echo "" 963 @echo "PLAT is used to specify which platform you wish to build." 964 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 965 @echo "" 966 @echo "platform = ${PLATFORM_LIST}" 967 @echo "" 968 @echo "Please refer to the User Guide for a list of all supported options." 969 @echo "Note that the build system doesn't track dependencies for build " 970 @echo "options. Therefore, if any of the build options are changed " 971 @echo "from a previous build, a clean build must be performed." 972 @echo "" 973 @echo "Supported Targets:" 974 @echo " all Build all individual bootloader binaries" 975 @echo " bl1 Build the BL1 binary" 976 @echo " bl2 Build the BL2 binary" 977 @echo " bl2u Build the BL2U binary" 978 @echo " bl31 Build the BL31 binary" 979 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 980 @echo " this builds secure payload specified by AARCH32_SP" 981 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 982 @echo " fip Build the Firmware Image Package (FIP)" 983 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 984 @echo " checkcodebase Check the coding style of the entire source tree" 985 @echo " checkpatch Check the coding style on changes in the current" 986 @echo " branch against BASE_COMMIT (default origin/master)" 987 @echo " clean Clean the build for the selected platform" 988 @echo " cscope Generate cscope index" 989 @echo " distclean Remove all build artifacts for all platforms" 990 @echo " certtool Build the Certificate generation tool" 991 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 992 @echo " sptool Build the Secure Partition Package creation tool" 993 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 994 @echo "" 995 @echo "Note: most build targets require PLAT to be set to a specific platform." 996 @echo "" 997 @echo "example: build all targets for the FVP platform:" 998 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 999