1# 2# Copyright (c) 2013-2020, 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 := 2 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 ${BRANCH_PROTECTION}) 142endif 143 144# USE_SPINLOCK_CAS requires AArch64 build 145ifeq (${USE_SPINLOCK_CAS},1) 146ifneq (${ARCH},aarch64) 147 $(error USE_SPINLOCK_CAS requires AArch64) 148else 149 $(info USE_SPINLOCK_CAS is an experimental feature) 150endif 151endif 152 153# USE_DEBUGFS experimental feature recommended only in debug builds 154ifeq (${USE_DEBUGFS},1) 155ifeq (${DEBUG},1) 156 $(warning DEBUGFS experimental feature is enabled.) 157else 158 $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY) 159endif 160endif 161 162################################################################################ 163# Toolchain 164################################################################################ 165 166HOSTCC := gcc 167export HOSTCC 168 169CC := ${CROSS_COMPILE}gcc 170CPP := ${CROSS_COMPILE}cpp 171AS := ${CROSS_COMPILE}gcc 172AR := ${CROSS_COMPILE}ar 173LINKER := ${CROSS_COMPILE}ld 174OC := ${CROSS_COMPILE}objcopy 175OD := ${CROSS_COMPILE}objdump 176NM := ${CROSS_COMPILE}nm 177PP := ${CROSS_COMPILE}gcc -E 178DTC := dtc 179 180# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 181ifneq ($(strip $(wildcard ${LD}.bfd) \ 182 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 183LINKER := ${LINKER}.bfd 184endif 185 186ifeq (${ARM_ARCH_MAJOR},7) 187target32-directive = -target arm-none-eabi 188# Will set march32-directive from platform configuration 189else 190target32-directive = -target armv8a-none-eabi 191 192# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option 193ifeq (${ARM_ARCH_MINOR},0) 194march32-directive = -march=armv8-a 195march64-directive = -march=armv8-a 196else 197march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a 198march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a 199endif 200endif 201 202ifneq ($(findstring armclang,$(notdir $(CC))),) 203TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 204TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 205LD = $(LINKER) 206AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 207CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 208PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 209else ifneq ($(findstring clang,$(notdir $(CC))),) 210CLANG_CCDIR = $(if $(filter-out ./,$(dir $(CC))),$(dir $(CC)),) 211TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 212TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 213LD = $(CLANG_CCDIR)ld.lld 214ifeq (, $(shell which $(LD))) 215$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker") 216endif 217AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 218CPP = $(CC) -E 219PP = $(CC) -E 220else ifneq ($(findstring gcc,$(notdir $(CC))),) 221TF_CFLAGS_aarch32 = $(march32-directive) 222TF_CFLAGS_aarch64 = $(march64-directive) 223ifeq ($(ENABLE_LTO),1) 224 # Enable LTO only for aarch64 225 ifeq (${ARCH},aarch64) 226 LTO_CFLAGS = -flto 227 # Use gcc as a wrapper for the ld, recommended for LTO 228 LINKER := ${CROSS_COMPILE}gcc 229 endif 230endif 231LD = $(LINKER) 232else 233TF_CFLAGS_aarch32 = $(march32-directive) 234TF_CFLAGS_aarch64 = $(march64-directive) 235LD = $(LINKER) 236endif 237 238ifeq (${AARCH32_INSTRUCTION_SET},A32) 239TF_CFLAGS_aarch32 += -marm 240else ifeq (${AARCH32_INSTRUCTION_SET},T32) 241TF_CFLAGS_aarch32 += -mthumb 242else 243$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 244endif 245 246TF_CFLAGS_aarch32 += -mno-unaligned-access 247TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 248 249ifneq (${BP_OPTION},none) 250TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 251endif 252 253ASFLAGS_aarch32 = $(march32-directive) 254ASFLAGS_aarch64 = $(march64-directive) 255 256# General warnings 257WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 258 -Wdisabled-optimization -Wvla -Wshadow \ 259 -Wno-unused-parameter -Wredundant-decls 260 261# Additional warnings 262# Level 1 263WARNING1 := -Wextra 264WARNING1 += -Wmissing-format-attribute 265WARNING1 += -Wmissing-prototypes 266WARNING1 += -Wold-style-definition 267 268# Level 2 269WARNING2 := -Waggregate-return 270WARNING2 += -Wcast-align 271WARNING2 += -Wnested-externs 272 273WARNING3 := -Wbad-function-cast 274WARNING3 += -Wcast-qual 275WARNING3 += -Wconversion 276WARNING3 += -Wpacked 277WARNING3 += -Wpointer-arith 278WARNING3 += -Wswitch-default 279 280ifeq (${W},1) 281WARNINGS += $(WARNING1) 282else ifeq (${W},2) 283WARNINGS += $(WARNING1) $(WARNING2) 284else ifeq (${W},3) 285WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 286endif 287 288# Compiler specific warnings 289ifeq ($(findstring clang,$(notdir $(CC))),) 290# not using clang 291WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 292 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 293 -Wlogical-op 294else 295# using clang 296WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 297 -Wlogical-op-parentheses 298endif 299 300ifneq (${E},0) 301ERRORS := -Werror 302endif 303 304CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 305 $(ERRORS) $(WARNINGS) 306ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 307 -ffreestanding -Wa,--fatal-warnings 308TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 309 -ffunction-sections -fdata-sections \ 310 -ffreestanding -fno-builtin -fno-common \ 311 -Os -std=gnu99 312 313ifeq (${SANITIZE_UB},on) 314TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 315endif 316ifeq (${SANITIZE_UB},trap) 317TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 318 -fsanitize-undefined-trap-on-error 319endif 320 321GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 322 323# LD = armlink 324ifneq ($(findstring armlink,$(notdir $(LD))),) 325TF_LDFLAGS += --diag_error=warning --lto_level=O1 326TF_LDFLAGS += --remove --info=unused,unusedsymbols 327TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 328 329# LD = gcc (used when GCC LTO is enabled) 330else ifneq ($(findstring gcc,$(notdir $(LD))),) 331# Pass ld options with Wl or Xlinker switches 332TF_LDFLAGS += -Wl,--fatal-warnings -O1 333TF_LDFLAGS += -Wl,--gc-sections 334ifeq ($(ENABLE_LTO),1) 335 ifeq (${ARCH},aarch64) 336 TF_LDFLAGS += -flto -fuse-linker-plugin 337 endif 338endif 339# GCC automatically adds fix-cortex-a53-843419 flag when used to link 340# which breaks some builds, so disable if errata fix is not explicitly enabled 341ifneq (${ERRATA_A53_843419},1) 342 TF_LDFLAGS += -mno-fix-cortex-a53-843419 343endif 344TF_LDFLAGS += -nostdlib 345TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 346 347# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 348else 349TF_LDFLAGS += --fatal-warnings -O1 350TF_LDFLAGS += --gc-sections 351# ld.lld doesn't recognize the errata flags, 352# therefore don't add those in that case 353ifeq ($(findstring ld.lld,$(notdir $(LD))),) 354TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 355endif 356endif 357 358DTC_FLAGS += -I dts -O dtb 359DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef -x assembler-with-cpp 360 361################################################################################ 362# Common sources and include directories 363################################################################################ 364include lib/compiler-rt/compiler-rt.mk 365 366BL_COMMON_SOURCES += common/bl_common.c \ 367 common/tf_log.c \ 368 common/${ARCH}/debug.S \ 369 drivers/console/multi_console.c \ 370 lib/${ARCH}/cache_helpers.S \ 371 lib/${ARCH}/misc_helpers.S \ 372 plat/common/plat_bl_common.c \ 373 plat/common/plat_log_common.c \ 374 plat/common/${ARCH}/plat_common.c \ 375 plat/common/${ARCH}/platform_helpers.S \ 376 ${COMPILER_RT_SRCS} 377 378ifeq ($(notdir $(CC)),armclang) 379BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 380endif 381 382ifeq (${SANITIZE_UB},on) 383BL_COMMON_SOURCES += plat/common/ubsan.c 384endif 385 386INCLUDES += -Iinclude \ 387 -Iinclude/arch/${ARCH} \ 388 -Iinclude/lib/cpus/${ARCH} \ 389 -Iinclude/lib/el3_runtime/${ARCH} \ 390 ${PLAT_INCLUDES} \ 391 ${SPD_INCLUDES} 392 393include common/backtrace/backtrace.mk 394 395################################################################################ 396# Generic definitions 397################################################################################ 398 399include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 400 401BUILD_BASE := ./build 402BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 403 404SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 405 406# Platforms providing their own TBB makefile may override this value 407INCLUDE_TBBR_MK := 1 408 409 410################################################################################ 411# Include SPD Makefile if one has been specified 412################################################################################ 413 414ifneq (${SPD},none) 415ifeq (${ARCH},aarch32) 416 $(error "Error: SPD is incompatible with AArch32.") 417endif 418ifdef EL3_PAYLOAD_BASE 419 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 420 $(warning "The SPD and its BL32 companion will be present but ignored.") 421endif 422 ifeq (${SPD},spmd) 423 # SPMD is located in std_svc directory 424 SPD_DIR := std_svc 425 else 426 # All other SPDs in spd directory 427 SPD_DIR := spd 428 endif 429 430 # We expect to locate an spd.mk under the specified SPD directory 431 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 432 433 434 ifeq (${SPD_MAKE},) 435 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 436 endif 437 $(info Including ${SPD_MAKE}) 438 include ${SPD_MAKE} 439 440 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 441 # Makefile would set NEED_BL32 to "yes". In this case, the build system 442 # supports two mutually exclusive options: 443 # * BL32 is built from source: then BL32_SOURCES must contain the list 444 # of source files to build BL32 445 # * BL32 is a prebuilt binary: then BL32 must point to the image file 446 # that will be included in the FIP 447 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 448 # over the sources. 449endif 450 451################################################################################ 452# Include the platform specific Makefile after the SPD Makefile (the platform 453# makefile may use all previous definitions in this file) 454################################################################################ 455 456include ${PLAT_MAKEFILE_FULL} 457 458$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 459 460ifeq (${ARM_ARCH_MAJOR},7) 461include make_helpers/armv7-a-cpus.mk 462endif 463 464PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 465ifneq ($(PIE_FOUND),) 466 TF_CFLAGS += -fno-PIE 467endif 468 469ifneq ($(findstring gcc,$(notdir $(LD))),) 470 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 471else 472 PIE_LDFLAGS += -pie --no-dynamic-linker 473endif 474 475ifeq ($(ENABLE_PIE),1) 476ifeq ($(BL2_AT_EL3),1) 477ifneq ($(BL2_IN_XIP_MEM),1) 478 BL2_CFLAGS += -fpie 479 BL2_LDFLAGS += $(PIE_LDFLAGS) 480endif 481endif 482 BL31_CFLAGS += -fpie 483 BL31_LDFLAGS += $(PIE_LDFLAGS) 484ifeq ($(ARCH),aarch64) 485 BL32_CFLAGS += -fpie 486 BL32_LDFLAGS += $(PIE_LDFLAGS) 487endif 488endif 489 490# Include the CPU specific operations makefile, which provides default 491# values for all CPU errata workarounds and CPU specific optimisations. 492# This can be overridden by the platform. 493include lib/cpus/cpu-ops.mk 494 495ifeq (${ARCH},aarch32) 496NEED_BL32 := yes 497 498################################################################################ 499# Build `AARCH32_SP` as BL32 image for AArch32 500################################################################################ 501ifneq (${AARCH32_SP},none) 502# We expect to locate an sp.mk under the specified AARCH32_SP directory 503AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 504 505ifeq (${AARCH32_SP_MAKE},) 506 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 507endif 508 509$(info Including ${AARCH32_SP_MAKE}) 510include ${AARCH32_SP_MAKE} 511endif 512 513endif 514 515################################################################################ 516# Include libc if not overridden 517################################################################################ 518ifeq (${OVERRIDE_LIBC},0) 519include lib/libc/libc.mk 520endif 521 522################################################################################ 523# Check incompatible options 524################################################################################ 525 526ifdef EL3_PAYLOAD_BASE 527 ifdef PRELOADED_BL33_BASE 528 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 529 incompatible build options. EL3_PAYLOAD_BASE has priority.") 530 endif 531 ifneq (${GENERATE_COT},0) 532 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 533 endif 534 ifneq (${TRUSTED_BOARD_BOOT},0) 535 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 536 endif 537endif 538 539ifeq (${NEED_BL33},yes) 540 ifdef EL3_PAYLOAD_BASE 541 $(warning "BL33 image is not needed when option \ 542 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 543 endif 544 ifdef PRELOADED_BL33_BASE 545 $(warning "BL33 image is not needed when option \ 546 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 547 file.") 548 endif 549endif 550 551# When building for systems with hardware-assisted coherency, there's no need to 552# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 553ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 554$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 555endif 556 557#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 558ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 559$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 560endif 561 562# For RAS_EXTENSION, require that EAs are handled in EL3 first 563ifeq ($(RAS_EXTENSION),1) 564 ifneq ($(HANDLE_EA_EL3_FIRST),1) 565 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 566 endif 567endif 568 569# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 570ifeq ($(FAULT_INJECTION_SUPPORT),1) 571 ifneq ($(RAS_EXTENSION),1) 572 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 573 endif 574endif 575 576# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 577ifeq ($(DYN_DISABLE_AUTH), 1) 578 ifeq (${TRUSTED_BOARD_BOOT}, 0) 579 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 580 endif 581endif 582 583# If pointer authentication is used in the firmware, make sure that all the 584# registers associated to it are also saved and restored. 585# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 586ifeq ($(ENABLE_PAUTH),1) 587 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 588 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 589 endif 590endif 591 592ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 593 ifneq (${ARCH},aarch64) 594 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 595 else 596 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 597 endif 598endif 599 600ifeq ($(ENABLE_PAUTH),1) 601 $(info Pointer Authentication is an experimental feature) 602endif 603 604ifeq ($(ENABLE_BTI),1) 605 $(info Branch Protection is an experimental feature) 606endif 607 608ifeq ($(CTX_INCLUDE_MTE_REGS),1) 609 ifneq (${ARCH},aarch64) 610 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 611 else 612 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 613 endif 614endif 615 616ifeq ($(MEASURED_BOOT),1) 617 ifneq (${TRUSTED_BOARD_BOOT},1) 618 $(error MEASURED_BOOT requires TRUSTED_BOARD_BOOT=1") 619 else 620 $(info MEASURED_BOOT is an experimental feature) 621 endif 622endif 623 624################################################################################ 625# Process platform overrideable behaviour 626################################################################################ 627 628# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 629# Certificate generation tools. This flag can be overridden by the platform. 630ifdef BL2_SOURCES 631 ifdef EL3_PAYLOAD_BASE 632 # If booting an EL3 payload there is no need for a BL33 image 633 # in the FIP file. 634 NEED_BL33 := no 635 else 636 ifdef PRELOADED_BL33_BASE 637 # If booting a BL33 preloaded image there is no need of 638 # another one in the FIP file. 639 NEED_BL33 := no 640 else 641 NEED_BL33 ?= yes 642 endif 643 endif 644endif 645 646# If SCP_BL2 is given, we always want FIP to include it. 647ifdef SCP_BL2 648 NEED_SCP_BL2 := yes 649endif 650 651# For AArch32, BL31 is not currently supported. 652ifneq (${ARCH},aarch32) 653 ifdef BL31_SOURCES 654 # When booting an EL3 payload, there is no need to compile the BL31 image nor 655 # put it in the FIP. 656 ifndef EL3_PAYLOAD_BASE 657 NEED_BL31 := yes 658 endif 659 endif 660endif 661 662# Process TBB related flags 663ifneq (${GENERATE_COT},0) 664 # Common cert_create options 665 ifneq (${CREATE_KEYS},0) 666 $(eval CRT_ARGS += -n) 667 $(eval FWU_CRT_ARGS += -n) 668 ifneq (${SAVE_KEYS},0) 669 $(eval CRT_ARGS += -k) 670 $(eval FWU_CRT_ARGS += -k) 671 endif 672 endif 673 # Include TBBR makefile (unless the platform indicates otherwise) 674 ifeq (${INCLUDE_TBBR_MK},1) 675 include make_helpers/tbbr/tbbr_tools.mk 676 endif 677endif 678 679ifneq (${FIP_ALIGN},0) 680FIP_ARGS += --align ${FIP_ALIGN} 681endif 682 683################################################################################ 684# Include libraries' Makefile that are used in all BL 685################################################################################ 686 687include lib/stack_protector/stack_protector.mk 688 689################################################################################ 690# Auxiliary tools (fiptool, cert_create, etc) 691################################################################################ 692 693# Variables for use with Certificate Generation Tool 694CRTTOOLPATH ?= tools/cert_create 695CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 696 697# Variables for use with Firmware Image Package 698FIPTOOLPATH ?= tools/fiptool 699FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 700 701# Variables for use with sptool 702SPTOOLPATH ?= tools/sptool 703SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 704SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 705 706# Variables for use with ROMLIB 707ROMLIBPATH ?= lib/romlib 708 709# Variable for use with Python 710PYTHON ?= python3 711 712# Variables for use with PRINT_MEMORY_MAP 713PRINT_MEMORY_MAP_PATH ?= tools/memory 714PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 715 716# Variables for use with documentation build using Sphinx tool 717DOCS_PATH ?= docs 718 719################################################################################ 720# Include BL specific makefiles 721################################################################################ 722ifdef BL1_SOURCES 723NEED_BL1 := yes 724include bl1/bl1.mk 725endif 726 727ifdef BL2_SOURCES 728NEED_BL2 := yes 729include bl2/bl2.mk 730endif 731 732ifdef BL2U_SOURCES 733NEED_BL2U := yes 734include bl2u/bl2u.mk 735endif 736 737ifeq (${NEED_BL31},yes) 738ifdef BL31_SOURCES 739include bl31/bl31.mk 740endif 741endif 742 743ifdef FDT_SOURCES 744NEED_FDT := yes 745endif 746 747################################################################################ 748# Build options checks 749################################################################################ 750 751$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 752$(eval $(call assert_boolean,CREATE_KEYS)) 753$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 754$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 755$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 756$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 757$(eval $(call assert_boolean,DEBUG)) 758$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 759$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 760$(eval $(call assert_boolean,ENABLE_AMU)) 761$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 762$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 763$(eval $(call assert_boolean,ENABLE_PIE)) 764$(eval $(call assert_boolean,ENABLE_PMF)) 765$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 766$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 767$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 768$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 769$(eval $(call assert_boolean,ERROR_DEPRECATED)) 770$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 771$(eval $(call assert_boolean,GENERATE_COT)) 772$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 773$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 774$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 775$(eval $(call assert_boolean,MEASURED_BOOT)) 776$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 777$(eval $(call assert_boolean,OVERRIDE_LIBC)) 778$(eval $(call assert_boolean,PL011_GENERIC_UART)) 779$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 780$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 781$(eval $(call assert_boolean,RAS_EXTENSION)) 782$(eval $(call assert_boolean,RESET_TO_BL31)) 783$(eval $(call assert_boolean,SAVE_KEYS)) 784$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 785$(eval $(call assert_boolean,SEPARATE_NOBITS_REGION)) 786$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 787$(eval $(call assert_boolean,SPM_MM)) 788$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 789$(eval $(call assert_boolean,USE_COHERENT_MEM)) 790$(eval $(call assert_boolean,USE_DEBUGFS)) 791$(eval $(call assert_boolean,USE_FCONF_BASED_IO)) 792$(eval $(call assert_boolean,USE_ROMLIB)) 793$(eval $(call assert_boolean,USE_TBBR_DEFS)) 794$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 795$(eval $(call assert_boolean,BL2_AT_EL3)) 796$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 797$(eval $(call assert_boolean,BL2_INV_DCACHE)) 798$(eval $(call assert_boolean,USE_SPINLOCK_CAS)) 799 800$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 801$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 802$(eval $(call assert_numeric,BRANCH_PROTECTION)) 803 804ifdef KEY_SIZE 805 $(eval $(call assert_numeric,KEY_SIZE)) 806endif 807 808ifeq ($(filter $(SANITIZE_UB), on off trap),) 809 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 810endif 811 812################################################################################ 813# Add definitions to the cpp preprocessor based on the current build options. 814# This is done after including the platform specific makefile to allow the 815# platform to overwrite the default options 816################################################################################ 817 818$(eval $(call add_define,ARM_ARCH_MAJOR)) 819$(eval $(call add_define,ARM_ARCH_MINOR)) 820$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 821$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 822$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 823$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 824$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 825$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 826$(eval $(call add_define,ENABLE_AMU)) 827$(eval $(call add_define,ENABLE_ASSERTIONS)) 828$(eval $(call add_define,ENABLE_BTI)) 829$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 830$(eval $(call add_define,ENABLE_PAUTH)) 831$(eval $(call add_define,ENABLE_PIE)) 832$(eval $(call add_define,ENABLE_PMF)) 833$(eval $(call add_define,ENABLE_PSCI_STAT)) 834$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 835$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 836$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 837$(eval $(call add_define,ERROR_DEPRECATED)) 838$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 839$(eval $(call add_define,GICV2_G0_FOR_EL3)) 840$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 841$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 842$(eval $(call add_define,LOG_LEVEL)) 843$(eval $(call add_define,MEASURED_BOOT)) 844$(eval $(call add_define,NS_TIMER_SWITCH)) 845$(eval $(call add_define,PL011_GENERIC_UART)) 846$(eval $(call add_define,PLAT_${PLAT})) 847$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 848$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 849$(eval $(call add_define,RAS_EXTENSION)) 850$(eval $(call add_define,RESET_TO_BL31)) 851$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 852$(eval $(call add_define,SEPARATE_NOBITS_REGION)) 853$(eval $(call add_define,RECLAIM_INIT_CODE)) 854$(eval $(call add_define,SPD_${SPD})) 855$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 856$(eval $(call add_define,SPM_MM)) 857$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 858$(eval $(call add_define,USE_COHERENT_MEM)) 859$(eval $(call add_define,USE_DEBUGFS)) 860$(eval $(call add_define,USE_FCONF_BASED_IO)) 861$(eval $(call add_define,USE_ROMLIB)) 862$(eval $(call add_define,USE_TBBR_DEFS)) 863$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 864$(eval $(call add_define,BL2_AT_EL3)) 865$(eval $(call add_define,BL2_IN_XIP_MEM)) 866$(eval $(call add_define,BL2_INV_DCACHE)) 867$(eval $(call add_define,USE_SPINLOCK_CAS)) 868 869ifeq (${SANITIZE_UB},trap) 870 $(eval $(call add_define,MONITOR_TRAPS)) 871endif 872 873# Define the EL3_PAYLOAD_BASE flag only if it is provided. 874ifdef EL3_PAYLOAD_BASE 875 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 876else 877 # Define the PRELOADED_BL33_BASE flag only if it is provided and 878 # EL3_PAYLOAD_BASE is not defined, as it has priority. 879 ifdef PRELOADED_BL33_BASE 880 $(eval $(call add_define,PRELOADED_BL33_BASE)) 881 endif 882endif 883 884# Define the DYN_DISABLE_AUTH flag only if set. 885ifeq (${DYN_DISABLE_AUTH},1) 886$(eval $(call add_define,DYN_DISABLE_AUTH)) 887endif 888 889ifneq ($(findstring armlink,$(notdir $(LD))),) 890$(eval $(call add_define,USE_ARM_LINK)) 891endif 892 893# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 894ifdef SP_LAYOUT_FILE 895ifeq (${SPD},spmd) 896 -include $(BUILD_PLAT)/sp_gen.mk 897 FIP_DEPS += sp 898 NEED_SP_PKG := yes 899else 900 $(error "SP_LAYOUT_FILE will be used only if SPD=spmd") 901endif 902endif 903 904################################################################################ 905# Build targets 906################################################################################ 907 908.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc 909.SUFFIXES: 910 911all: msg_start 912 913msg_start: 914 @echo "Building ${PLAT}" 915 916ifeq (${ERROR_DEPRECATED},0) 917# Check if deprecated declarations and cpp warnings should be treated as error or not. 918ifneq ($(findstring clang,$(notdir $(CC))),) 919 CPPFLAGS += -Wno-error=deprecated-declarations 920else 921 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 922endif 923# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 924ASFLAGS += -D__ASSEMBLY__ 925# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 926ifeq (${ARCH},aarch32) 927 $(eval $(call add_define,AARCH32)) 928else 929 $(eval $(call add_define,AARCH64)) 930endif 931endif # !ERROR_DEPRECATED 932 933$(eval $(call MAKE_LIB_DIRS)) 934$(eval $(call MAKE_LIB,c)) 935 936# Expand build macros for the different images 937ifeq (${NEED_BL1},yes) 938$(eval $(call MAKE_BL,1)) 939endif 940 941ifeq (${NEED_BL2},yes) 942ifeq (${BL2_AT_EL3}, 0) 943FIP_BL2_ARGS := tb-fw 944endif 945 946$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 947 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 948endif 949 950ifeq (${NEED_SCP_BL2},yes) 951$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 952endif 953 954ifeq (${NEED_BL31},yes) 955BL31_SOURCES += ${SPD_SOURCES} 956$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 957 $(eval $(call MAKE_BL,31,soc-fw))) 958endif 959 960# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 961# build system will call TOOL_ADD_IMG to print a warning message and abort the 962# process. Note that the dependency on BL32 applies to the FIP only. 963ifeq (${NEED_BL32},yes) 964 965BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 966 967$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 968 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 969endif 970 971# Add the BL33 image if required by the platform 972ifeq (${NEED_BL33},yes) 973$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 974endif 975 976ifeq (${NEED_BL2U},yes) 977$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 978 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 979endif 980 981# Expand build macros for the different images 982ifeq (${NEED_FDT},yes) 983 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 984endif 985 986# Add Secure Partition packages 987ifeq (${NEED_SP_PKG},yes) 988$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 989 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) 990sp: $(SPTOOL) $(DTBS) $(BUILD_PLAT)/sp_gen.mk 991 ${Q}$(SPTOOL) $(SPTOOL_ARGS) 992 @${ECHO_BLANK_LINE} 993 @echo "Built SP Images successfully" 994 @${ECHO_BLANK_LINE} 995endif 996 997locate-checkpatch: 998ifndef CHECKPATCH 999 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1000else 1001ifeq (,$(wildcard ${CHECKPATCH})) 1002 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1003endif 1004endif 1005 1006clean: 1007 @echo " CLEAN" 1008 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1009 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1010 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1011 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1012 1013realclean distclean: 1014 @echo " REALCLEAN" 1015 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1016 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1017 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1018 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 1019 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1020 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1021 1022checkcodebase: locate-checkpatch 1023 @echo " CHECKING STYLE" 1024 @if test -d .git ; then \ 1025 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1026 while read GIT_FILE ; \ 1027 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1028 done ; \ 1029 else \ 1030 find . -type f -not -iwholename "*.git*" \ 1031 -not -iwholename "*build*" \ 1032 -not -iwholename "*libfdt*" \ 1033 -not -iwholename "*libc*" \ 1034 -not -iwholename "*docs*" \ 1035 -not -iwholename "*.rst" \ 1036 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1037 fi 1038 1039checkpatch: locate-checkpatch 1040 @echo " CHECKING STYLE" 1041 @if test -n "${CHECKPATCH_OPTS}"; then \ 1042 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1043 fi 1044 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1045 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 1046 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1047 git log --format=email "$$commit~..$$commit" \ 1048 -- ${CHECK_PATHS} | \ 1049 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1050 git diff --format=email "$$commit~..$$commit" \ 1051 -- ${CHECK_PATHS} | \ 1052 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1053 done 1054 1055certtool: ${CRTTOOL} 1056 1057.PHONY: ${CRTTOOL} 1058${CRTTOOL}: 1059 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} --no-print-directory -C ${CRTTOOLPATH} 1060 @${ECHO_BLANK_LINE} 1061 @echo "Built $@ successfully" 1062 @${ECHO_BLANK_LINE} 1063 1064ifneq (${GENERATE_COT},0) 1065certificates: ${CRT_DEPS} ${CRTTOOL} 1066 ${Q}${CRTTOOL} ${CRT_ARGS} 1067 @${ECHO_BLANK_LINE} 1068 @echo "Built $@ successfully" 1069 @echo "Certificates can be found in ${BUILD_PLAT}" 1070 @${ECHO_BLANK_LINE} 1071endif 1072 1073${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1074 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1075 ${Q}${FIPTOOL} info $@ 1076 @${ECHO_BLANK_LINE} 1077 @echo "Built $@ successfully" 1078 @${ECHO_BLANK_LINE} 1079 1080ifneq (${GENERATE_COT},0) 1081fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1082 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1083 @${ECHO_BLANK_LINE} 1084 @echo "Built $@ successfully" 1085 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1086 @${ECHO_BLANK_LINE} 1087endif 1088 1089${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1090 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1091 ${Q}${FIPTOOL} info $@ 1092 @${ECHO_BLANK_LINE} 1093 @echo "Built $@ successfully" 1094 @${ECHO_BLANK_LINE} 1095 1096fiptool: ${FIPTOOL} 1097fip: ${BUILD_PLAT}/${FIP_NAME} 1098fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1099 1100.PHONY: ${FIPTOOL} 1101${FIPTOOL}: 1102 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 1103 1104sptool: ${SPTOOL} 1105.PHONY: ${SPTOOL} 1106${SPTOOL}: 1107 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 1108 1109.PHONY: libraries 1110romlib.bin: libraries 1111 ${Q}${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 1112 1113# Call print_memory_map tool 1114memmap: all 1115 ${Q}${PYTHON} $(PRINT_MEMORY_MAP) $(BUILD_PLAT) 1116 1117doc: 1118 @echo " BUILD DOCUMENTATION" 1119 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1120 1121cscope: 1122 @echo " CSCOPE" 1123 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1124 ${Q}cscope -b -q -k 1125 1126help: 1127 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1128 @echo "" 1129 @echo "PLAT is used to specify which platform you wish to build." 1130 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1131 @echo "" 1132 @echo "platform = ${PLATFORM_LIST}" 1133 @echo "" 1134 @echo "Please refer to the User Guide for a list of all supported options." 1135 @echo "Note that the build system doesn't track dependencies for build " 1136 @echo "options. Therefore, if any of the build options are changed " 1137 @echo "from a previous build, a clean build must be performed." 1138 @echo "" 1139 @echo "Supported Targets:" 1140 @echo " all Build all individual bootloader binaries" 1141 @echo " bl1 Build the BL1 binary" 1142 @echo " bl2 Build the BL2 binary" 1143 @echo " bl2u Build the BL2U binary" 1144 @echo " bl31 Build the BL31 binary" 1145 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1146 @echo " this builds secure payload specified by AARCH32_SP" 1147 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1148 @echo " fip Build the Firmware Image Package (FIP)" 1149 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1150 @echo " checkcodebase Check the coding style of the entire source tree" 1151 @echo " checkpatch Check the coding style on changes in the current" 1152 @echo " branch against BASE_COMMIT (default origin/master)" 1153 @echo " clean Clean the build for the selected platform" 1154 @echo " cscope Generate cscope index" 1155 @echo " distclean Remove all build artifacts for all platforms" 1156 @echo " certtool Build the Certificate generation tool" 1157 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1158 @echo " sp Build the Secure Partition Packages" 1159 @echo " sptool Build the Secure Partition Package creation tool" 1160 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1161 @echo " memmap Print the memory map of the built binaries" 1162 @echo " doc Build html based documentation using Sphinx tool" 1163 @echo "" 1164 @echo "Note: most build targets require PLAT to be set to a specific platform." 1165 @echo "" 1166 @echo "example: build all targets for the FVP platform:" 1167 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1168