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 := 3 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_ARM_DIRS_TO_CHECK := $(sort $(filter-out \ 43 include/drivers/arm/cryptocell, \ 44 $(wildcard include/drivers/arm/*))) 45INC_ARM_DIRS_TO_CHECK += include/drivers/arm/cryptocell/*.h 46INC_DRV_DIRS_TO_CHECK := $(sort $(filter-out \ 47 include/drivers/arm, \ 48 $(wildcard include/drivers/*))) 49INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 50 include/lib/libfdt \ 51 include/lib/libc, \ 52 $(wildcard include/lib/*))) 53INC_DIRS_TO_CHECK := $(sort $(filter-out \ 54 include/lib \ 55 include/drivers, \ 56 $(wildcard include/*))) 57LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 58 lib/compiler-rt \ 59 lib/libfdt% \ 60 lib/libc, \ 61 $(wildcard lib/*))) 62ROOT_DIRS_TO_CHECK := $(sort $(filter-out \ 63 lib \ 64 include \ 65 docs \ 66 %.rst, \ 67 $(wildcard *))) 68CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \ 69 ${INC_DIRS_TO_CHECK} \ 70 ${INC_LIB_DIRS_TO_CHECK} \ 71 ${LIB_DIRS_TO_CHECK} \ 72 ${INC_DRV_DIRS_TO_CHECK} \ 73 ${INC_ARM_DIRS_TO_CHECK} 74 75 76################################################################################ 77# Process build options 78################################################################################ 79 80# Verbose flag 81ifeq (${V},0) 82 Q:=@ 83 ECHO:=@echo 84 CHECKCODE_ARGS += --no-summary --terse 85else 86 Q:= 87 ECHO:=$(ECHO_QUIET) 88endif 89 90ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) 91 Q:=@ 92 ECHO:=$(ECHO_QUIET) 93endif 94 95export Q ECHO 96 97# Default build string (git branch and commit) 98ifeq (${BUILD_STRING},) 99 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 100endif 101VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 102 103# The cert_create tool cannot generate certificates individually, so we use the 104# target 'certificates' to create them all 105ifneq (${GENERATE_COT},0) 106 FIP_DEPS += certificates 107 FWU_FIP_DEPS += fwu_certificates 108endif 109 110# Process BRANCH_PROTECTION value and set 111# Pointer Authentication and Branch Target Identification flags 112ifeq (${BRANCH_PROTECTION},0) 113 # Default value turns off all types of branch protection 114 BP_OPTION := none 115else ifneq (${ARCH},aarch64) 116 $(error BRANCH_PROTECTION requires AArch64) 117else ifeq (${BRANCH_PROTECTION},1) 118 # Enables all types of branch protection features 119 BP_OPTION := standard 120 ENABLE_BTI := 1 121 ENABLE_PAUTH := 1 122else ifeq (${BRANCH_PROTECTION},2) 123 # Return address signing to its standard level 124 BP_OPTION := pac-ret 125 ENABLE_PAUTH := 1 126else ifeq (${BRANCH_PROTECTION},3) 127 # Extend the signing to include leaf functions 128 BP_OPTION := pac-ret+leaf 129 ENABLE_PAUTH := 1 130else 131 $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION}) 132endif 133 134# USE_SPINLOCK_CAS requires AArch64 build 135ifeq (${USE_SPINLOCK_CAS},1) 136ifneq (${ARCH},aarch64) 137 $(error USE_SPINLOCK_CAS requires AArch64) 138else 139 $(info USE_SPINLOCK_CAS is an experimental feature) 140endif 141endif 142 143# USE_DEBUGFS experimental feature recommended only in debug builds 144ifeq (${USE_DEBUGFS},1) 145ifeq (${DEBUG},1) 146 $(warning DEBUGFS experimental feature is enabled.) 147else 148 $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY) 149endif 150endif 151 152ifneq (${DECRYPTION_SUPPORT},none) 153ENC_ARGS += -f ${FW_ENC_STATUS} 154ENC_ARGS += -k ${ENC_KEY} 155ENC_ARGS += -n ${ENC_NONCE} 156FIP_DEPS += enctool 157FWU_FIP_DEPS += enctool 158endif 159 160################################################################################ 161# Toolchain 162################################################################################ 163 164HOSTCC := gcc 165export HOSTCC 166 167CC := ${CROSS_COMPILE}gcc 168CPP := ${CROSS_COMPILE}cpp 169AS := ${CROSS_COMPILE}gcc 170AR := ${CROSS_COMPILE}ar 171LINKER := ${CROSS_COMPILE}ld 172OC := ${CROSS_COMPILE}objcopy 173OD := ${CROSS_COMPILE}objdump 174NM := ${CROSS_COMPILE}nm 175PP := ${CROSS_COMPILE}gcc -E 176DTC := dtc 177 178# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 179ifneq ($(strip $(wildcard ${LD}.bfd) \ 180 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 181LINKER := ${LINKER}.bfd 182endif 183 184ifeq (${ARM_ARCH_MAJOR},7) 185target32-directive = -target arm-none-eabi 186# Will set march32-directive from platform configuration 187else 188target32-directive = -target armv8a-none-eabi 189 190# Set the compiler's target architecture profile based on ARM_ARCH_MINOR option 191ifeq (${ARM_ARCH_MINOR},0) 192march32-directive = -march=armv8-a 193march64-directive = -march=armv8-a 194else 195march32-directive = -march=armv8.${ARM_ARCH_MINOR}-a 196march64-directive = -march=armv8.${ARM_ARCH_MINOR}-a 197endif 198endif 199 200# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards 201ifeq ($(ARCH), aarch64) 202ifeq ($(shell test $(ARM_ARCH_MAJOR) -gt 8; echo $$?),0) 203mem_tag_arch_support = yes 204else ifeq ($(shell test $(ARM_ARCH_MAJOR) -eq 8 -a $(ARM_ARCH_MINOR) -ge 5; \ 205 echo $$?),0) 206mem_tag_arch_support = yes 207endif 208endif 209 210# Enabled required option for memory stack tagging. Currently, these options are 211# enabled only for clang and armclang compiler. 212ifeq (${SUPPORT_STACK_MEMTAG},yes) 213ifdef mem_tag_arch_support 214ifneq ( ,$(filter $(notdir $(CC)),armclang clang)) 215march64-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a+memtag 216ifeq ($(notdir $(CC)),armclang) 217TF_CFLAGS += -mmemtag-stack 218else ifeq ($(notdir $(CC)),clang) 219TF_CFLAGS += -fsanitize=memtag 220endif 221endif 222else 223$(error "Error: stack memory tagging is not supported for architecture \ 224 ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a") 225endif 226endif 227 228ifneq ($(findstring armclang,$(notdir $(CC))),) 229TF_CFLAGS_aarch32 = -target arm-arm-none-eabi $(march32-directive) 230TF_CFLAGS_aarch64 = -target aarch64-arm-none-eabi $(march64-directive) 231LD = $(LINKER) 232AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 233CPP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 234PP = $(CC) -E $(TF_CFLAGS_$(ARCH)) 235else ifneq ($(findstring clang,$(notdir $(CC))),) 236CLANG_CCDIR = $(if $(filter-out ./,$(dir $(CC))),$(dir $(CC)),) 237TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 238TF_CFLAGS_aarch64 = -target aarch64-elf $(march64-directive) 239LD = $(CLANG_CCDIR)ld.lld 240ifeq (, $(shell which $(LD))) 241$(error "No $(LD) in PATH, make sure it is installed or set LD to a different linker") 242endif 243AS = $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 244CPP = $(CC) -E 245PP = $(CC) -E 246else ifneq ($(findstring gcc,$(notdir $(CC))),) 247TF_CFLAGS_aarch32 = $(march32-directive) 248TF_CFLAGS_aarch64 = $(march64-directive) 249ifeq ($(ENABLE_LTO),1) 250 # Enable LTO only for aarch64 251 ifeq (${ARCH},aarch64) 252 LTO_CFLAGS = -flto 253 # Use gcc as a wrapper for the ld, recommended for LTO 254 LINKER := ${CROSS_COMPILE}gcc 255 endif 256endif 257LD = $(LINKER) 258else 259TF_CFLAGS_aarch32 = $(march32-directive) 260TF_CFLAGS_aarch64 = $(march64-directive) 261LD = $(LINKER) 262endif 263 264# Process Debug flag 265$(eval $(call add_define,DEBUG)) 266ifneq (${DEBUG}, 0) 267 BUILD_TYPE := debug 268 TF_CFLAGS += -g 269 270 ifneq ($(findstring clang,$(notdir $(CC))),) 271 ASFLAGS += -g 272 else 273 ASFLAGS += -g -Wa,--gdwarf-2 274 endif 275 276 # Use LOG_LEVEL_INFO by default for debug builds 277 LOG_LEVEL := 40 278else 279 BUILD_TYPE := release 280 # Use LOG_LEVEL_NOTICE by default for release builds 281 LOG_LEVEL := 20 282endif 283 284ifeq (${AARCH32_INSTRUCTION_SET},A32) 285TF_CFLAGS_aarch32 += -marm 286else ifeq (${AARCH32_INSTRUCTION_SET},T32) 287TF_CFLAGS_aarch32 += -mthumb 288else 289$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 290endif 291 292TF_CFLAGS_aarch32 += -mno-unaligned-access 293TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 294 295ifneq (${BP_OPTION},none) 296TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 297endif 298 299ASFLAGS_aarch32 = $(march32-directive) 300ASFLAGS_aarch64 = $(march64-directive) 301 302# General warnings 303WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 304 -Wdisabled-optimization -Wvla -Wshadow \ 305 -Wno-unused-parameter -Wredundant-decls 306 307# Additional warnings 308# Level 1 309WARNING1 := -Wextra 310WARNING1 += -Wmissing-format-attribute 311WARNING1 += -Wmissing-prototypes 312WARNING1 += -Wold-style-definition 313 314# Level 2 315WARNING2 := -Waggregate-return 316WARNING2 += -Wcast-align 317WARNING2 += -Wnested-externs 318 319WARNING3 := -Wbad-function-cast 320WARNING3 += -Wcast-qual 321WARNING3 += -Wconversion 322WARNING3 += -Wpacked 323WARNING3 += -Wpointer-arith 324WARNING3 += -Wswitch-default 325 326ifeq (${W},1) 327WARNINGS += $(WARNING1) 328else ifeq (${W},2) 329WARNINGS += $(WARNING1) $(WARNING2) 330else ifeq (${W},3) 331WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 332endif 333 334# Compiler specific warnings 335ifeq ($(findstring clang,$(notdir $(CC))),) 336# not using clang 337WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 338 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 339 -Wlogical-op 340else 341# using clang 342WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 343 -Wlogical-op-parentheses 344endif 345 346ifneq (${E},0) 347ERRORS := -Werror 348endif 349 350CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 351 $(ERRORS) $(WARNINGS) 352ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 353 -ffreestanding -Wa,--fatal-warnings 354TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 355 -ffunction-sections -fdata-sections \ 356 -ffreestanding -fno-builtin -fno-common \ 357 -Os -std=gnu99 358 359ifeq (${SANITIZE_UB},on) 360TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 361endif 362ifeq (${SANITIZE_UB},trap) 363TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 364 -fsanitize-undefined-trap-on-error 365endif 366 367GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 368 369# LD = armlink 370ifneq ($(findstring armlink,$(notdir $(LD))),) 371TF_LDFLAGS += --diag_error=warning --lto_level=O1 372TF_LDFLAGS += --remove --info=unused,unusedsymbols 373TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 374 375# LD = gcc (used when GCC LTO is enabled) 376else ifneq ($(findstring gcc,$(notdir $(LD))),) 377# Pass ld options with Wl or Xlinker switches 378TF_LDFLAGS += -Wl,--fatal-warnings -O1 379TF_LDFLAGS += -Wl,--gc-sections 380ifeq ($(ENABLE_LTO),1) 381 ifeq (${ARCH},aarch64) 382 TF_LDFLAGS += -flto -fuse-linker-plugin 383 endif 384endif 385# GCC automatically adds fix-cortex-a53-843419 flag when used to link 386# which breaks some builds, so disable if errata fix is not explicitly enabled 387ifneq (${ERRATA_A53_843419},1) 388 TF_LDFLAGS += -mno-fix-cortex-a53-843419 389endif 390TF_LDFLAGS += -nostdlib 391TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 392 393# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 394else 395TF_LDFLAGS += --fatal-warnings -O1 396TF_LDFLAGS += --gc-sections 397# ld.lld doesn't recognize the errata flags, 398# therefore don't add those in that case 399ifeq ($(findstring ld.lld,$(notdir $(LD))),) 400TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 401endif 402endif 403 404DTC_FLAGS += -I dts -O dtb 405DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \ 406 -x assembler-with-cpp $(DEFINES) 407 408ifeq ($(MEASURED_BOOT),1) 409DTC_CPPFLAGS += -DMEASURED_BOOT -DBL2_HASH_SIZE=${TCG_DIGEST_SIZE} 410endif 411 412################################################################################ 413# Common sources and include directories 414################################################################################ 415include lib/compiler-rt/compiler-rt.mk 416 417BL_COMMON_SOURCES += common/bl_common.c \ 418 common/tf_log.c \ 419 common/${ARCH}/debug.S \ 420 drivers/console/multi_console.c \ 421 lib/${ARCH}/cache_helpers.S \ 422 lib/${ARCH}/misc_helpers.S \ 423 plat/common/plat_bl_common.c \ 424 plat/common/plat_log_common.c \ 425 plat/common/${ARCH}/plat_common.c \ 426 plat/common/${ARCH}/platform_helpers.S \ 427 ${COMPILER_RT_SRCS} 428 429ifeq ($(notdir $(CC)),armclang) 430BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 431endif 432 433ifeq (${SANITIZE_UB},on) 434BL_COMMON_SOURCES += plat/common/ubsan.c 435endif 436 437INCLUDES += -Iinclude \ 438 -Iinclude/arch/${ARCH} \ 439 -Iinclude/lib/cpus/${ARCH} \ 440 -Iinclude/lib/el3_runtime/${ARCH} \ 441 ${PLAT_INCLUDES} \ 442 ${SPD_INCLUDES} 443 444include common/backtrace/backtrace.mk 445 446################################################################################ 447# Generic definitions 448################################################################################ 449 450include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 451 452BUILD_BASE := ./build 453BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 454 455SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 456 457# Platforms providing their own TBB makefile may override this value 458INCLUDE_TBBR_MK := 1 459 460 461################################################################################ 462# Include SPD Makefile if one has been specified 463################################################################################ 464 465ifneq (${SPD},none) 466 ifeq (${ARCH},aarch32) 467 $(error "Error: SPD is incompatible with AArch32.") 468 endif 469 470 ifdef EL3_PAYLOAD_BASE 471 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 472 $(warning "The SPD and its BL32 companion will be present but ignored.") 473 endif 474 475 ifeq (${SPD},spmd) 476 $(warning "SPMD is an experimental feature") 477 # SPMD is located in std_svc directory 478 SPD_DIR := std_svc 479 480 ifeq ($(SPMD_SPM_AT_SEL2),1) 481 ifeq ($(CTX_INCLUDE_EL2_REGS),0) 482 $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option) 483 endif 484 endif 485 else 486 # All other SPDs in spd directory 487 SPD_DIR := spd 488 endif 489 490 # We expect to locate an spd.mk under the specified SPD directory 491 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 492 493 ifeq (${SPD_MAKE},) 494 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 495 endif 496 $(info Including ${SPD_MAKE}) 497 include ${SPD_MAKE} 498 499 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 500 # Makefile would set NEED_BL32 to "yes". In this case, the build system 501 # supports two mutually exclusive options: 502 # * BL32 is built from source: then BL32_SOURCES must contain the list 503 # of source files to build BL32 504 # * BL32 is a prebuilt binary: then BL32 must point to the image file 505 # that will be included in the FIP 506 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 507 # over the sources. 508endif 509 510################################################################################ 511# Include the platform specific Makefile after the SPD Makefile (the platform 512# makefile may use all previous definitions in this file) 513################################################################################ 514 515include ${PLAT_MAKEFILE_FULL} 516 517$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 518 519ifeq (${ARM_ARCH_MAJOR},7) 520include make_helpers/armv7-a-cpus.mk 521endif 522 523PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 524ifneq ($(PIE_FOUND),) 525 TF_CFLAGS += -fno-PIE 526endif 527 528ifneq ($(findstring gcc,$(notdir $(LD))),) 529 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 530else 531 PIE_LDFLAGS += -pie --no-dynamic-linker 532endif 533 534ifeq ($(ENABLE_PIE),1) 535ifeq ($(BL2_AT_EL3),1) 536ifneq ($(BL2_IN_XIP_MEM),1) 537 BL2_CFLAGS += -fpie 538 BL2_LDFLAGS += $(PIE_LDFLAGS) 539endif 540endif 541 BL31_CFLAGS += -fpie 542 BL31_LDFLAGS += $(PIE_LDFLAGS) 543ifeq ($(ARCH),aarch64) 544 BL32_CFLAGS += -fpie 545 BL32_LDFLAGS += $(PIE_LDFLAGS) 546endif 547endif 548 549ifeq (${ARCH},aarch64) 550BL1_CPPFLAGS += -DIMAGE_AT_EL3 551ifeq ($(BL2_AT_EL3),1) 552BL2_CPPFLAGS += -DIMAGE_AT_EL3 553else 554BL2_CPPFLAGS += -DIMAGE_AT_EL1 555endif 556BL2U_CPPFLAGS += -DIMAGE_AT_EL1 557BL31_CPPFLAGS += -DIMAGE_AT_EL3 558BL32_CPPFLAGS += -DIMAGE_AT_EL1 559endif 560 561# Include the CPU specific operations makefile, which provides default 562# values for all CPU errata workarounds and CPU specific optimisations. 563# This can be overridden by the platform. 564include lib/cpus/cpu-ops.mk 565 566ifeq (${ARCH},aarch32) 567NEED_BL32 := yes 568 569################################################################################ 570# Build `AARCH32_SP` as BL32 image for AArch32 571################################################################################ 572ifneq (${AARCH32_SP},none) 573# We expect to locate an sp.mk under the specified AARCH32_SP directory 574AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 575 576ifeq (${AARCH32_SP_MAKE},) 577 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 578endif 579 580$(info Including ${AARCH32_SP_MAKE}) 581include ${AARCH32_SP_MAKE} 582endif 583 584endif 585 586################################################################################ 587# Include libc if not overridden 588################################################################################ 589ifeq (${OVERRIDE_LIBC},0) 590include lib/libc/libc.mk 591endif 592 593################################################################################ 594# Check incompatible options 595################################################################################ 596 597ifdef EL3_PAYLOAD_BASE 598 ifdef PRELOADED_BL33_BASE 599 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 600 incompatible build options. EL3_PAYLOAD_BASE has priority.") 601 endif 602 ifneq (${GENERATE_COT},0) 603 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 604 endif 605 ifneq (${TRUSTED_BOARD_BOOT},0) 606 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 607 endif 608endif 609 610ifeq (${NEED_BL33},yes) 611 ifdef EL3_PAYLOAD_BASE 612 $(warning "BL33 image is not needed when option \ 613 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 614 endif 615 ifdef PRELOADED_BL33_BASE 616 $(warning "BL33 image is not needed when option \ 617 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 618 file.") 619 endif 620endif 621 622# When building for systems with hardware-assisted coherency, there's no need to 623# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 624ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 625$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 626endif 627 628#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 629ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 630$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 631endif 632 633# For RAS_EXTENSION, require that EAs are handled in EL3 first 634ifeq ($(RAS_EXTENSION),1) 635 ifneq ($(HANDLE_EA_EL3_FIRST),1) 636 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 637 endif 638endif 639 640# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 641ifeq ($(FAULT_INJECTION_SUPPORT),1) 642 ifneq ($(RAS_EXTENSION),1) 643 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 644 endif 645endif 646 647# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 648ifeq ($(DYN_DISABLE_AUTH), 1) 649 ifeq (${TRUSTED_BOARD_BOOT}, 0) 650 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 651 endif 652endif 653 654# If pointer authentication is used in the firmware, make sure that all the 655# registers associated to it are also saved and restored. 656# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 657ifeq ($(ENABLE_PAUTH),1) 658 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 659 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 660 endif 661endif 662 663ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 664 ifneq (${ARCH},aarch64) 665 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 666 else 667 $(info CTX_INCLUDE_PAUTH_REGS is an experimental feature) 668 endif 669endif 670 671ifeq ($(ENABLE_PAUTH),1) 672 $(info Pointer Authentication is an experimental feature) 673endif 674 675ifeq ($(ENABLE_BTI),1) 676 $(info Branch Protection is an experimental feature) 677endif 678 679ifeq ($(CTX_INCLUDE_MTE_REGS),1) 680 ifneq (${ARCH},aarch64) 681 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 682 else 683 $(info CTX_INCLUDE_MTE_REGS is an experimental feature) 684 endif 685endif 686 687ifeq ($(MEASURED_BOOT),1) 688 ifneq (${TRUSTED_BOARD_BOOT},1) 689 $(error MEASURED_BOOT requires TRUSTED_BOARD_BOOT=1) 690 else 691 $(info MEASURED_BOOT is an experimental feature) 692 endif 693endif 694 695ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 696 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 697 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 698 endif 699endif 700 701ifneq (${DECRYPTION_SUPPORT},none) 702 ifeq (${TRUSTED_BOARD_BOOT}, 0) 703 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 704 else 705 $(info DECRYPTION_SUPPORT is an experimental feature) 706 endif 707endif 708 709################################################################################ 710# Process platform overrideable behaviour 711################################################################################ 712 713# Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 714# Certificate generation tools. This flag can be overridden by the platform. 715ifdef BL2_SOURCES 716 ifdef EL3_PAYLOAD_BASE 717 # If booting an EL3 payload there is no need for a BL33 image 718 # in the FIP file. 719 NEED_BL33 := no 720 else 721 ifdef PRELOADED_BL33_BASE 722 # If booting a BL33 preloaded image there is no need of 723 # another one in the FIP file. 724 NEED_BL33 := no 725 else 726 NEED_BL33 ?= yes 727 endif 728 endif 729endif 730 731# If SCP_BL2 is given, we always want FIP to include it. 732ifdef SCP_BL2 733 NEED_SCP_BL2 := yes 734endif 735 736# For AArch32, BL31 is not currently supported. 737ifneq (${ARCH},aarch32) 738 ifdef BL31_SOURCES 739 # When booting an EL3 payload, there is no need to compile the BL31 image nor 740 # put it in the FIP. 741 ifndef EL3_PAYLOAD_BASE 742 NEED_BL31 := yes 743 endif 744 endif 745endif 746 747# Process TBB related flags 748ifneq (${GENERATE_COT},0) 749 # Common cert_create options 750 ifneq (${CREATE_KEYS},0) 751 $(eval CRT_ARGS += -n) 752 $(eval FWU_CRT_ARGS += -n) 753 ifneq (${SAVE_KEYS},0) 754 $(eval CRT_ARGS += -k) 755 $(eval FWU_CRT_ARGS += -k) 756 endif 757 endif 758 # Include TBBR makefile (unless the platform indicates otherwise) 759 ifeq (${INCLUDE_TBBR_MK},1) 760 include make_helpers/tbbr/tbbr_tools.mk 761 endif 762endif 763 764ifneq (${FIP_ALIGN},0) 765FIP_ARGS += --align ${FIP_ALIGN} 766endif 767 768################################################################################ 769# Include libraries' Makefile that are used in all BL 770################################################################################ 771 772include lib/stack_protector/stack_protector.mk 773 774################################################################################ 775# Auxiliary tools (fiptool, cert_create, etc) 776################################################################################ 777 778# Variables for use with Certificate Generation Tool 779CRTTOOLPATH ?= tools/cert_create 780CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 781 782# Variables for use with Firmware Encryption Tool 783ENCTOOLPATH ?= tools/encrypt_fw 784ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 785 786# Variables for use with Firmware Image Package 787FIPTOOLPATH ?= tools/fiptool 788FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 789 790# Variables for use with sptool 791SPTOOLPATH ?= tools/sptool 792SPTOOL ?= ${SPTOOLPATH}/sptool${BIN_EXT} 793SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 794 795# Variables for use with ROMLIB 796ROMLIBPATH ?= lib/romlib 797 798# Variable for use with Python 799PYTHON ?= python3 800 801# Variables for use with PRINT_MEMORY_MAP 802PRINT_MEMORY_MAP_PATH ?= tools/memory 803PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 804 805# Variables for use with documentation build using Sphinx tool 806DOCS_PATH ?= docs 807 808################################################################################ 809# Include BL specific makefiles 810################################################################################ 811ifdef BL1_SOURCES 812NEED_BL1 := yes 813include bl1/bl1.mk 814endif 815 816ifdef BL2_SOURCES 817NEED_BL2 := yes 818include bl2/bl2.mk 819endif 820 821ifdef BL2U_SOURCES 822NEED_BL2U := yes 823include bl2u/bl2u.mk 824endif 825 826ifeq (${NEED_BL31},yes) 827ifdef BL31_SOURCES 828include bl31/bl31.mk 829endif 830endif 831 832ifdef FDT_SOURCES 833NEED_FDT := yes 834endif 835 836################################################################################ 837# Build options checks 838################################################################################ 839 840$(eval $(call assert_boolean,ALLOW_RO_XLAT_TABLES)) 841$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 842$(eval $(call assert_boolean,CREATE_KEYS)) 843$(eval $(call assert_boolean,CTX_INCLUDE_AARCH32_REGS)) 844$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 845$(eval $(call assert_boolean,CTX_INCLUDE_PAUTH_REGS)) 846$(eval $(call assert_boolean,CTX_INCLUDE_MTE_REGS)) 847$(eval $(call assert_boolean,CTX_INCLUDE_EL2_REGS)) 848$(eval $(call assert_boolean,DEBUG)) 849$(eval $(call assert_boolean,DYN_DISABLE_AUTH)) 850$(eval $(call assert_boolean,EL3_EXCEPTION_HANDLING)) 851$(eval $(call assert_boolean,ENABLE_AMU)) 852$(eval $(call assert_boolean,ENABLE_ASSERTIONS)) 853$(eval $(call assert_boolean,ENABLE_MPAM_FOR_LOWER_ELS)) 854$(eval $(call assert_boolean,ENABLE_PIE)) 855$(eval $(call assert_boolean,ENABLE_PMF)) 856$(eval $(call assert_boolean,ENABLE_PSCI_STAT)) 857$(eval $(call assert_boolean,ENABLE_RUNTIME_INSTRUMENTATION)) 858$(eval $(call assert_boolean,ENABLE_SPE_FOR_LOWER_ELS)) 859$(eval $(call assert_boolean,ENABLE_SVE_FOR_NS)) 860$(eval $(call assert_boolean,ERROR_DEPRECATED)) 861$(eval $(call assert_boolean,FAULT_INJECTION_SUPPORT)) 862$(eval $(call assert_boolean,GENERATE_COT)) 863$(eval $(call assert_boolean,GICV2_G0_FOR_EL3)) 864$(eval $(call assert_boolean,HANDLE_EA_EL3_FIRST)) 865$(eval $(call assert_boolean,HW_ASSISTED_COHERENCY)) 866$(eval $(call assert_boolean,INVERTED_MEMMAP)) 867$(eval $(call assert_boolean,MEASURED_BOOT)) 868$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 869$(eval $(call assert_boolean,OVERRIDE_LIBC)) 870$(eval $(call assert_boolean,PL011_GENERIC_UART)) 871$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 872$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 873$(eval $(call assert_boolean,RAS_EXTENSION)) 874$(eval $(call assert_boolean,RESET_TO_BL31)) 875$(eval $(call assert_boolean,SAVE_KEYS)) 876$(eval $(call assert_boolean,SEPARATE_CODE_AND_RODATA)) 877$(eval $(call assert_boolean,SEPARATE_NOBITS_REGION)) 878$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 879$(eval $(call assert_boolean,SPM_MM)) 880$(eval $(call assert_boolean,SPMD_SPM_AT_SEL2)) 881$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 882$(eval $(call assert_boolean,USE_COHERENT_MEM)) 883$(eval $(call assert_boolean,USE_DEBUGFS)) 884$(eval $(call assert_boolean,ARM_IO_IN_DTB)) 885$(eval $(call assert_boolean,USE_ROMLIB)) 886$(eval $(call assert_boolean,USE_TBBR_DEFS)) 887$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY)) 888$(eval $(call assert_boolean,BL2_AT_EL3)) 889$(eval $(call assert_boolean,BL2_IN_XIP_MEM)) 890$(eval $(call assert_boolean,BL2_INV_DCACHE)) 891$(eval $(call assert_boolean,USE_SPINLOCK_CAS)) 892$(eval $(call assert_boolean,ENCRYPT_BL31)) 893$(eval $(call assert_boolean,ENCRYPT_BL32)) 894 895$(eval $(call assert_numeric,ARM_ARCH_MAJOR)) 896$(eval $(call assert_numeric,ARM_ARCH_MINOR)) 897$(eval $(call assert_numeric,BRANCH_PROTECTION)) 898$(eval $(call assert_numeric,FW_ENC_STATUS)) 899 900ifdef KEY_SIZE 901 $(eval $(call assert_numeric,KEY_SIZE)) 902endif 903 904ifeq ($(filter $(SANITIZE_UB), on off trap),) 905 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 906endif 907 908################################################################################ 909# Add definitions to the cpp preprocessor based on the current build options. 910# This is done after including the platform specific makefile to allow the 911# platform to overwrite the default options 912################################################################################ 913 914$(eval $(call add_define,ALLOW_RO_XLAT_TABLES)) 915$(eval $(call add_define,ARM_ARCH_MAJOR)) 916$(eval $(call add_define,ARM_ARCH_MINOR)) 917$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 918$(eval $(call add_define,CTX_INCLUDE_AARCH32_REGS)) 919$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 920$(eval $(call add_define,CTX_INCLUDE_PAUTH_REGS)) 921$(eval $(call add_define,EL3_EXCEPTION_HANDLING)) 922$(eval $(call add_define,CTX_INCLUDE_MTE_REGS)) 923$(eval $(call add_define,CTX_INCLUDE_EL2_REGS)) 924$(eval $(call add_define,DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT})) 925$(eval $(call add_define,ENABLE_AMU)) 926$(eval $(call add_define,ENABLE_ASSERTIONS)) 927$(eval $(call add_define,ENABLE_BTI)) 928$(eval $(call add_define,ENABLE_MPAM_FOR_LOWER_ELS)) 929$(eval $(call add_define,ENABLE_PAUTH)) 930$(eval $(call add_define,ENABLE_PIE)) 931$(eval $(call add_define,ENABLE_PMF)) 932$(eval $(call add_define,ENABLE_PSCI_STAT)) 933$(eval $(call add_define,ENABLE_RUNTIME_INSTRUMENTATION)) 934$(eval $(call add_define,ENABLE_SPE_FOR_LOWER_ELS)) 935$(eval $(call add_define,ENABLE_SVE_FOR_NS)) 936$(eval $(call add_define,ENCRYPT_BL31)) 937$(eval $(call add_define,ENCRYPT_BL32)) 938$(eval $(call add_define,ERROR_DEPRECATED)) 939$(eval $(call add_define,FAULT_INJECTION_SUPPORT)) 940$(eval $(call add_define,GICV2_G0_FOR_EL3)) 941$(eval $(call add_define,HANDLE_EA_EL3_FIRST)) 942$(eval $(call add_define,HW_ASSISTED_COHERENCY)) 943$(eval $(call add_define,LOG_LEVEL)) 944$(eval $(call add_define,MEASURED_BOOT)) 945$(eval $(call add_define,NS_TIMER_SWITCH)) 946$(eval $(call add_define,PL011_GENERIC_UART)) 947$(eval $(call add_define,PLAT_${PLAT})) 948$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 949$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 950$(eval $(call add_define,RAS_EXTENSION)) 951$(eval $(call add_define,RESET_TO_BL31)) 952$(eval $(call add_define,SEPARATE_CODE_AND_RODATA)) 953$(eval $(call add_define,SEPARATE_NOBITS_REGION)) 954$(eval $(call add_define,RECLAIM_INIT_CODE)) 955$(eval $(call add_define,SPD_${SPD})) 956$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 957$(eval $(call add_define,SPM_MM)) 958$(eval $(call add_define,SPMD_SPM_AT_SEL2)) 959$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 960$(eval $(call add_define,USE_COHERENT_MEM)) 961$(eval $(call add_define,USE_DEBUGFS)) 962$(eval $(call add_define,ARM_IO_IN_DTB)) 963$(eval $(call add_define,USE_ROMLIB)) 964$(eval $(call add_define,USE_TBBR_DEFS)) 965$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY)) 966$(eval $(call add_define,BL2_AT_EL3)) 967$(eval $(call add_define,BL2_IN_XIP_MEM)) 968$(eval $(call add_define,BL2_INV_DCACHE)) 969$(eval $(call add_define,USE_SPINLOCK_CAS)) 970 971ifeq (${SANITIZE_UB},trap) 972 $(eval $(call add_define,MONITOR_TRAPS)) 973endif 974 975# Define the EL3_PAYLOAD_BASE flag only if it is provided. 976ifdef EL3_PAYLOAD_BASE 977 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 978else 979 # Define the PRELOADED_BL33_BASE flag only if it is provided and 980 # EL3_PAYLOAD_BASE is not defined, as it has priority. 981 ifdef PRELOADED_BL33_BASE 982 $(eval $(call add_define,PRELOADED_BL33_BASE)) 983 endif 984endif 985 986# Define the DYN_DISABLE_AUTH flag only if set. 987ifeq (${DYN_DISABLE_AUTH},1) 988$(eval $(call add_define,DYN_DISABLE_AUTH)) 989endif 990 991ifneq ($(findstring armlink,$(notdir $(LD))),) 992$(eval $(call add_define,USE_ARM_LINK)) 993endif 994 995# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 996ifeq (${SPD},spmd) 997ifdef SP_LAYOUT_FILE 998 ifeq (${SPMD_SPM_AT_SEL2},0) 999 $(error "SPMD with SPM at S-EL1 does not require SP_LAYOUT_FILE") 1000 endif 1001 -include $(BUILD_PLAT)/sp_gen.mk 1002 FIP_DEPS += sp 1003 NEED_SP_PKG := yes 1004else 1005 ifeq (${SPMD_SPM_AT_SEL2},1) 1006 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1007 endif 1008endif 1009endif 1010 1011################################################################################ 1012# Build targets 1013################################################################################ 1014 1015.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1016.SUFFIXES: 1017 1018all: msg_start 1019 1020msg_start: 1021 @echo "Building ${PLAT}" 1022 1023ifeq (${ERROR_DEPRECATED},0) 1024# Check if deprecated declarations and cpp warnings should be treated as error or not. 1025ifneq ($(findstring clang,$(notdir $(CC))),) 1026 CPPFLAGS += -Wno-error=deprecated-declarations 1027else 1028 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1029endif 1030# __ASSEMBLY__ is deprecated in favor of the compiler-builtin __ASSEMBLER__. 1031ASFLAGS += -D__ASSEMBLY__ 1032# AARCH32/AARCH64 macros are deprecated in favor of the compiler-builtin __aarch64__. 1033ifeq (${ARCH},aarch32) 1034 $(eval $(call add_define,AARCH32)) 1035else 1036 $(eval $(call add_define,AARCH64)) 1037endif 1038endif # !ERROR_DEPRECATED 1039 1040$(eval $(call MAKE_LIB_DIRS)) 1041$(eval $(call MAKE_LIB,c)) 1042 1043# Expand build macros for the different images 1044ifeq (${NEED_BL1},yes) 1045$(eval $(call MAKE_BL,1)) 1046endif 1047 1048ifeq (${NEED_BL2},yes) 1049ifeq (${BL2_AT_EL3}, 0) 1050FIP_BL2_ARGS := tb-fw 1051endif 1052 1053$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1054 $(eval $(call MAKE_BL,2,${FIP_BL2_ARGS}))) 1055endif 1056 1057ifeq (${NEED_SCP_BL2},yes) 1058$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1059endif 1060 1061ifeq (${NEED_BL31},yes) 1062BL31_SOURCES += ${SPD_SOURCES} 1063# Sort BL31 source files to remove duplicates 1064BL31_SOURCES := $(sort ${BL31_SOURCES}) 1065ifneq (${DECRYPTION_SUPPORT},none) 1066$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1067 $(eval $(call MAKE_BL,31,soc-fw,,$(ENCRYPT_BL31)))) 1068else 1069$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1070 $(eval $(call MAKE_BL,31,soc-fw))) 1071endif 1072endif 1073 1074# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1075# build system will call TOOL_ADD_IMG to print a warning message and abort the 1076# process. Note that the dependency on BL32 applies to the FIP only. 1077ifeq (${NEED_BL32},yes) 1078# Sort BL32 source files to remove duplicates 1079BL32_SOURCES := $(sort ${BL32_SOURCES}) 1080BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1081 1082ifneq (${DECRYPTION_SUPPORT},none) 1083$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw,,$(ENCRYPT_BL32))),\ 1084 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1085else 1086$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,32,tos-fw)),\ 1087 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1088endif 1089endif 1090 1091# Add the BL33 image if required by the platform 1092ifeq (${NEED_BL33},yes) 1093$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1094endif 1095 1096ifeq (${NEED_BL2U},yes) 1097$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1098 $(eval $(call MAKE_BL,2u,ap-fwu-cfg,FWU_))) 1099endif 1100 1101# Expand build macros for the different images 1102ifeq (${NEED_FDT},yes) 1103 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1104endif 1105 1106# Add Secure Partition packages 1107ifeq (${NEED_SP_PKG},yes) 1108$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1109 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) 1110sp: $(SPTOOL) $(DTBS) $(BUILD_PLAT)/sp_gen.mk 1111 ${Q}$(SPTOOL) $(SPTOOL_ARGS) 1112 @${ECHO_BLANK_LINE} 1113 @echo "Built SP Images successfully" 1114 @${ECHO_BLANK_LINE} 1115endif 1116 1117locate-checkpatch: 1118ifndef CHECKPATCH 1119 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1120else 1121ifeq (,$(wildcard ${CHECKPATCH})) 1122 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1123endif 1124endif 1125 1126clean: 1127 @echo " CLEAN" 1128 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1129 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1130 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1131 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1132 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1133 1134realclean distclean: 1135 @echo " REALCLEAN" 1136 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1137 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1138 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1139 ${Q}${MAKE} --no-print-directory -C ${SPTOOLPATH} clean 1140 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1141 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1142 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1143 1144checkcodebase: locate-checkpatch 1145 @echo " CHECKING STYLE" 1146 @if test -d .git ; then \ 1147 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1148 while read GIT_FILE ; \ 1149 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1150 done ; \ 1151 else \ 1152 find . -type f -not -iwholename "*.git*" \ 1153 -not -iwholename "*build*" \ 1154 -not -iwholename "*libfdt*" \ 1155 -not -iwholename "*libc*" \ 1156 -not -iwholename "*docs*" \ 1157 -not -iwholename "*.rst" \ 1158 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1159 fi 1160 1161checkpatch: locate-checkpatch 1162 @echo " CHECKING STYLE" 1163 @if test -n "${CHECKPATCH_OPTS}"; then \ 1164 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1165 fi 1166 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1167 for commit in `git rev-list $$COMMON_COMMIT..HEAD`; do \ 1168 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1169 git log --format=email "$$commit~..$$commit" \ 1170 -- ${CHECK_PATHS} | \ 1171 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1172 git diff --format=email "$$commit~..$$commit" \ 1173 -- ${CHECK_PATHS} | \ 1174 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1175 done 1176 1177certtool: ${CRTTOOL} 1178 1179.PHONY: ${CRTTOOL} 1180${CRTTOOL}: 1181 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} --no-print-directory -C ${CRTTOOLPATH} 1182 @${ECHO_BLANK_LINE} 1183 @echo "Built $@ successfully" 1184 @${ECHO_BLANK_LINE} 1185 1186ifneq (${GENERATE_COT},0) 1187certificates: ${CRT_DEPS} ${CRTTOOL} 1188 ${Q}${CRTTOOL} ${CRT_ARGS} 1189 @${ECHO_BLANK_LINE} 1190 @echo "Built $@ successfully" 1191 @echo "Certificates can be found in ${BUILD_PLAT}" 1192 @${ECHO_BLANK_LINE} 1193endif 1194 1195${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1196 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1197 ${Q}${FIPTOOL} info $@ 1198 @${ECHO_BLANK_LINE} 1199 @echo "Built $@ successfully" 1200 @${ECHO_BLANK_LINE} 1201 1202ifneq (${GENERATE_COT},0) 1203fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1204 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1205 @${ECHO_BLANK_LINE} 1206 @echo "Built $@ successfully" 1207 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1208 @${ECHO_BLANK_LINE} 1209endif 1210 1211${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1212 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1213 ${Q}${FIPTOOL} info $@ 1214 @${ECHO_BLANK_LINE} 1215 @echo "Built $@ successfully" 1216 @${ECHO_BLANK_LINE} 1217 1218fiptool: ${FIPTOOL} 1219fip: ${BUILD_PLAT}/${FIP_NAME} 1220fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1221 1222.PHONY: ${FIPTOOL} 1223${FIPTOOL}: 1224 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${FIPTOOLPATH} 1225 1226sptool: ${SPTOOL} 1227.PHONY: ${SPTOOL} 1228${SPTOOL}: 1229 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" --no-print-directory -C ${SPTOOLPATH} 1230 1231.PHONY: libraries 1232romlib.bin: libraries 1233 ${Q}${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 1234 1235# Call print_memory_map tool 1236memmap: all 1237 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1238 1239doc: 1240 @echo " BUILD DOCUMENTATION" 1241 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1242 1243enctool: ${ENCTOOL} 1244 1245.PHONY: ${ENCTOOL} 1246${ENCTOOL}: 1247 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 --no-print-directory -C ${ENCTOOLPATH} 1248 @${ECHO_BLANK_LINE} 1249 @echo "Built $@ successfully" 1250 @${ECHO_BLANK_LINE} 1251 1252cscope: 1253 @echo " CSCOPE" 1254 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1255 ${Q}cscope -b -q -k 1256 1257help: 1258 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1259 @echo "" 1260 @echo "PLAT is used to specify which platform you wish to build." 1261 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1262 @echo "" 1263 @echo "platform = ${PLATFORM_LIST}" 1264 @echo "" 1265 @echo "Please refer to the User Guide for a list of all supported options." 1266 @echo "Note that the build system doesn't track dependencies for build " 1267 @echo "options. Therefore, if any of the build options are changed " 1268 @echo "from a previous build, a clean build must be performed." 1269 @echo "" 1270 @echo "Supported Targets:" 1271 @echo " all Build all individual bootloader binaries" 1272 @echo " bl1 Build the BL1 binary" 1273 @echo " bl2 Build the BL2 binary" 1274 @echo " bl2u Build the BL2U binary" 1275 @echo " bl31 Build the BL31 binary" 1276 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1277 @echo " this builds secure payload specified by AARCH32_SP" 1278 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1279 @echo " fip Build the Firmware Image Package (FIP)" 1280 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1281 @echo " checkcodebase Check the coding style of the entire source tree" 1282 @echo " checkpatch Check the coding style on changes in the current" 1283 @echo " branch against BASE_COMMIT (default origin/master)" 1284 @echo " clean Clean the build for the selected platform" 1285 @echo " cscope Generate cscope index" 1286 @echo " distclean Remove all build artifacts for all platforms" 1287 @echo " certtool Build the Certificate generation tool" 1288 @echo " enctool Build the Firmware encryption tool" 1289 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1290 @echo " sp Build the Secure Partition Packages" 1291 @echo " sptool Build the Secure Partition Package creation tool" 1292 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1293 @echo " memmap Print the memory map of the built binaries" 1294 @echo " doc Build html based documentation using Sphinx tool" 1295 @echo "" 1296 @echo "Note: most build targets require PLAT to be set to a specific platform." 1297 @echo "" 1298 @echo "example: build all targets for the FVP platform:" 1299 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1300