1# 2# Copyright (c) 2013-2023, 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 := 8 12VERSION := ${VERSION_MAJOR}.${VERSION_MINOR} 13 14# Default goal is build all images 15.DEFAULT_GOAL := all 16 17# Avoid any implicit propagation of command line variable definitions to 18# sub-Makefiles, like CFLAGS that we reserved for the firmware images' 19# usage. Other command line options like "-s" are still propagated as usual. 20MAKEOVERRIDES = 21 22MAKE_HELPERS_DIRECTORY := make_helpers/ 23include ${MAKE_HELPERS_DIRECTORY}build_macros.mk 24include ${MAKE_HELPERS_DIRECTORY}build_env.mk 25 26################################################################################ 27# Default values for build configurations, and their dependencies 28################################################################################ 29 30include ${MAKE_HELPERS_DIRECTORY}defaults.mk 31 32# Assertions enabled for DEBUG builds by default 33ENABLE_ASSERTIONS := ${DEBUG} 34ENABLE_PMF := ${ENABLE_RUNTIME_INSTRUMENTATION} 35PLAT := ${DEFAULT_PLAT} 36 37################################################################################ 38# Checkpatch script options 39################################################################################ 40 41CHECKCODE_ARGS := --no-patch 42# Do not check the coding style on imported library files or documentation files 43INC_ARM_DIRS_TO_CHECK := $(sort $(filter-out \ 44 include/drivers/arm/cryptocell, \ 45 $(wildcard include/drivers/arm/*))) 46INC_ARM_DIRS_TO_CHECK += include/drivers/arm/cryptocell/*.h 47INC_DRV_DIRS_TO_CHECK := $(sort $(filter-out \ 48 include/drivers/arm, \ 49 $(wildcard include/drivers/*))) 50INC_LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 51 include/lib/libfdt \ 52 include/lib/libc, \ 53 $(wildcard include/lib/*))) 54INC_DIRS_TO_CHECK := $(sort $(filter-out \ 55 include/lib \ 56 include/drivers, \ 57 $(wildcard include/*))) 58LIB_DIRS_TO_CHECK := $(sort $(filter-out \ 59 lib/compiler-rt \ 60 lib/libfdt% \ 61 lib/libc, \ 62 lib/zlib \ 63 $(wildcard lib/*))) 64ROOT_DIRS_TO_CHECK := $(sort $(filter-out \ 65 lib \ 66 include \ 67 docs \ 68 %.rst, \ 69 $(wildcard *))) 70CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \ 71 ${INC_DIRS_TO_CHECK} \ 72 ${INC_LIB_DIRS_TO_CHECK} \ 73 ${LIB_DIRS_TO_CHECK} \ 74 ${INC_DRV_DIRS_TO_CHECK} \ 75 ${INC_ARM_DIRS_TO_CHECK} 76 77 78################################################################################ 79# Process build options 80################################################################################ 81 82# Verbose flag 83ifeq (${V},0) 84 Q:=@ 85 ECHO:=@echo 86 CHECKCODE_ARGS += --no-summary --terse 87else 88 Q:= 89 ECHO:=$(ECHO_QUIET) 90endif 91 92ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) 93 Q:=@ 94 ECHO:=$(ECHO_QUIET) 95endif 96 97export Q ECHO 98 99# The cert_create tool cannot generate certificates individually, so we use the 100# target 'certificates' to create them all 101ifneq (${GENERATE_COT},0) 102 FIP_DEPS += certificates 103 FWU_FIP_DEPS += fwu_certificates 104endif 105 106# Process BRANCH_PROTECTION value and set 107# Pointer Authentication and Branch Target Identification flags 108ifeq (${BRANCH_PROTECTION},0) 109 # Default value turns off all types of branch protection 110 BP_OPTION := none 111else ifneq (${ARCH},aarch64) 112 $(error BRANCH_PROTECTION requires AArch64) 113else ifeq (${BRANCH_PROTECTION},1) 114 # Enables all types of branch protection features 115 BP_OPTION := standard 116 ENABLE_BTI := 1 117 ENABLE_PAUTH := 1 118else ifeq (${BRANCH_PROTECTION},2) 119 # Return address signing to its standard level 120 BP_OPTION := pac-ret 121 ENABLE_PAUTH := 1 122else ifeq (${BRANCH_PROTECTION},3) 123 # Extend the signing to include leaf functions 124 BP_OPTION := pac-ret+leaf 125 ENABLE_PAUTH := 1 126else ifeq (${BRANCH_PROTECTION},4) 127 # Turn on branch target identification mechanism 128 BP_OPTION := bti 129 ENABLE_BTI := 1 130else 131 $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION}) 132endif 133 134# FEAT_RME 135ifeq (${ENABLE_RME},1) 136# RME doesn't support PIE 137ifneq (${ENABLE_PIE},0) 138 $(error ENABLE_RME does not support PIE) 139endif 140# RME doesn't support BRBE 141ifneq (${ENABLE_BRBE_FOR_NS},0) 142 $(error ENABLE_RME does not support BRBE.) 143endif 144# RME requires AARCH64 145ifneq (${ARCH},aarch64) 146 $(error ENABLE_RME requires AArch64) 147endif 148# RME requires el2 context to be saved for now. 149CTX_INCLUDE_EL2_REGS := 1 150CTX_INCLUDE_AARCH32_REGS := 0 151ARM_ARCH_MAJOR := 8 152ARM_ARCH_MINOR := 5 153ENABLE_FEAT_ECV = 1 154ENABLE_FEAT_FGT = 1 155 156# RME enables CSV2_2 extension by default. 157ENABLE_FEAT_CSV2_2 = 1 158 159endif 160 161# USE_SPINLOCK_CAS requires AArch64 build 162ifeq (${USE_SPINLOCK_CAS},1) 163ifneq (${ARCH},aarch64) 164 $(error USE_SPINLOCK_CAS requires AArch64) 165endif 166endif 167 168# USE_DEBUGFS experimental feature recommended only in debug builds 169ifeq (${USE_DEBUGFS},1) 170ifeq (${DEBUG},1) 171 $(warning DEBUGFS experimental feature is enabled.) 172else 173 $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY) 174endif 175endif 176 177ifneq (${DECRYPTION_SUPPORT},none) 178ENC_ARGS += -f ${FW_ENC_STATUS} 179ENC_ARGS += -k ${ENC_KEY} 180ENC_ARGS += -n ${ENC_NONCE} 181FIP_DEPS += enctool 182FWU_FIP_DEPS += enctool 183endif 184 185################################################################################ 186# Toolchain 187################################################################################ 188 189HOSTCC := gcc 190export HOSTCC 191 192CC := ${CROSS_COMPILE}gcc 193CPP := ${CROSS_COMPILE}cpp 194AS := ${CROSS_COMPILE}gcc 195AR := ${CROSS_COMPILE}ar 196LINKER := ${CROSS_COMPILE}ld 197OC := ${CROSS_COMPILE}objcopy 198OD := ${CROSS_COMPILE}objdump 199NM := ${CROSS_COMPILE}nm 200PP := ${CROSS_COMPILE}gcc -E 201DTC := dtc 202 203# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 204ifneq ($(strip $(wildcard ${LD}.bfd) \ 205 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 206LINKER := ${LINKER}.bfd 207endif 208 209ifeq (${ARM_ARCH_MAJOR},7) 210target32-directive = -target arm-none-eabi 211# Will set march32-directive from platform configuration 212else 213target32-directive = -target armv8a-none-eabi 214 215# Set the compiler's target architecture profile based on 216# ARM_ARCH_MAJOR ARM_ARCH_MINOR options 217ifeq (${ARM_ARCH_MINOR},0) 218march32-directive = -march=armv${ARM_ARCH_MAJOR}-a 219march64-directive = -march=armv${ARM_ARCH_MAJOR}-a 220else 221march32-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 222march64-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 223endif 224endif 225 226# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards 227ifeq ($(ARCH), aarch64) 228# Check if revision is greater than or equal to 8.5 229ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 230mem_tag_arch_support = yes 231endif 232endif 233 234# Get architecture feature modifiers 235arch-features = ${ARM_ARCH_FEATURE} 236 237# Enable required options for memory stack tagging. 238# Currently, these options are enabled only for clang and armclang compiler. 239ifeq (${SUPPORT_STACK_MEMTAG},yes) 240ifdef mem_tag_arch_support 241# Check for armclang and clang compilers 242ifneq ( ,$(filter $(notdir $(CC)),armclang clang)) 243# Add "memtag" architecture feature modifier if not specified 244ifeq ( ,$(findstring memtag,$(arch-features))) 245arch-features := $(arch-features)+memtag 246endif # memtag 247ifeq ($(notdir $(CC)),armclang) 248TF_CFLAGS += -mmemtag-stack 249else ifeq ($(notdir $(CC)),clang) 250TF_CFLAGS += -fsanitize=memtag 251endif # armclang 252endif # armclang clang 253else 254$(error "Error: stack memory tagging is not supported for architecture \ 255 ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a") 256endif # mem_tag_arch_support 257endif # SUPPORT_STACK_MEMTAG 258 259# Set the compiler's architecture feature modifiers 260ifneq ($(arch-features), none) 261# Strip "none+" from arch-features 262arch-features := $(subst none+,,$(arch-features)) 263ifeq ($(ARCH), aarch32) 264march32-directive := $(march32-directive)+$(arch-features) 265else 266march64-directive := $(march64-directive)+$(arch-features) 267endif 268# Print features 269$(info Arm Architecture Features specified: $(subst +, ,$(arch-features))) 270endif # arch-features 271 272# Determine if FEAT_RNG is supported 273ENABLE_FEAT_RNG = $(if $(findstring rng,${arch-features}),1,0) 274 275# Determine if FEAT_SB is supported 276ENABLE_FEAT_SB = $(if $(findstring sb,${arch-features}),1,0) 277 278ifneq ($(findstring clang,$(notdir $(CC))),) 279 ifneq ($(findstring armclang,$(notdir $(CC))),) 280 TF_CFLAGS_aarch32 := -target arm-arm-none-eabi $(march32-directive) 281 TF_CFLAGS_aarch64 := -target aarch64-arm-none-eabi $(march64-directive) 282 LD := $(LINKER) 283 else 284 TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 285 TF_CFLAGS_aarch64 := -target aarch64-elf $(march64-directive) 286 LD := $(shell $(CC) --print-prog-name ld.lld) 287 288 AR := $(shell $(CC) --print-prog-name llvm-ar) 289 OD := $(shell $(CC) --print-prog-name llvm-objdump) 290 OC := $(shell $(CC) --print-prog-name llvm-objcopy) 291 endif 292 293 CPP := $(CC) -E $(TF_CFLAGS_$(ARCH)) 294 PP := $(CC) -E $(TF_CFLAGS_$(ARCH)) 295 AS := $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 296else ifneq ($(findstring gcc,$(notdir $(CC))),) 297TF_CFLAGS_aarch32 = $(march32-directive) 298TF_CFLAGS_aarch64 = $(march64-directive) 299ifeq ($(ENABLE_LTO),1) 300 # Enable LTO only for aarch64 301 ifeq (${ARCH},aarch64) 302 LTO_CFLAGS = -flto 303 # Use gcc as a wrapper for the ld, recommended for LTO 304 LINKER := ${CROSS_COMPILE}gcc 305 endif 306endif 307LD = $(LINKER) 308else 309TF_CFLAGS_aarch32 = $(march32-directive) 310TF_CFLAGS_aarch64 = $(march64-directive) 311LD = $(LINKER) 312endif 313 314# Process Debug flag 315$(eval $(call add_define,DEBUG)) 316ifneq (${DEBUG}, 0) 317 BUILD_TYPE := debug 318 TF_CFLAGS += -g -gdwarf-4 319 ASFLAGS += -g -Wa,-gdwarf-4 320 321 # Use LOG_LEVEL_INFO by default for debug builds 322 LOG_LEVEL := 40 323else 324 BUILD_TYPE := release 325 # Use LOG_LEVEL_NOTICE by default for release builds 326 LOG_LEVEL := 20 327endif 328 329# Default build string (git branch and commit) 330ifeq (${BUILD_STRING},) 331 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 332endif 333VERSION_STRING := v${VERSION}(${BUILD_TYPE}):${BUILD_STRING} 334 335ifeq (${AARCH32_INSTRUCTION_SET},A32) 336TF_CFLAGS_aarch32 += -marm 337else ifeq (${AARCH32_INSTRUCTION_SET},T32) 338TF_CFLAGS_aarch32 += -mthumb 339else 340$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 341endif 342 343TF_CFLAGS_aarch32 += -mno-unaligned-access 344TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 345 346ifneq (${BP_OPTION},none) 347TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 348endif 349 350ASFLAGS_aarch32 = $(march32-directive) 351ASFLAGS_aarch64 = $(march64-directive) 352 353# General warnings 354WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 355 -Wdisabled-optimization -Wvla -Wshadow \ 356 -Wredundant-decls 357# stricter warnings 358WARNINGS += -Wextra -Wno-trigraphs 359# too verbose for generic build 360WARNINGS += -Wno-missing-field-initializers \ 361 -Wno-type-limits -Wno-sign-compare \ 362# on clang this flag gets reset if -Wextra is set after it. No difference on gcc 363WARNINGS += -Wno-unused-parameter 364 365# Additional warnings 366# Level 1 - infrequent warnings we should have none of 367# full -Wextra 368WARNING1 += -Wsign-compare 369WARNING1 += -Wtype-limits 370WARNING1 += -Wmissing-field-initializers 371 372# Level 2 - problematic warnings that we want 373# zlib, compiler-rt, coreboot, and mbdedtls blow up with these 374# TODO: disable just for them and move into default build 375WARNING2 += -Wold-style-definition 376WARNING2 += -Wmissing-prototypes 377WARNING2 += -Wmissing-format-attribute 378# TF-A aims to comply with this eventually. Effort too large at present 379WARNING2 += -Wundef 380# currently very involved and many platforms set this off 381WARNING2 += -Wunused-const-variable=2 382 383# Level 3 - very pedantic, frequently ignored 384WARNING3 := -Wbad-function-cast 385WARNING3 += -Waggregate-return 386WARNING3 += -Wnested-externs 387WARNING3 += -Wcast-align 388WARNING3 += -Wcast-qual 389WARNING3 += -Wconversion 390WARNING3 += -Wpacked 391WARNING3 += -Wpointer-arith 392WARNING3 += -Wswitch-default 393 394# Setting W is quite verbose and most warnings will be pre-existing issues 395# outside of the contributor's control. Don't fail the build on them so warnings 396# can be seen and hopefully addressed 397ifdef W 398ifneq (${W},0) 399E ?= 0 400endif 401endif 402 403ifeq (${W},1) 404WARNINGS += $(WARNING1) 405else ifeq (${W},2) 406WARNINGS += $(WARNING1) $(WARNING2) 407else ifeq (${W},3) 408WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 409endif 410 411# Compiler specific warnings 412ifeq ($(findstring clang,$(notdir $(CC))),) 413# not using clang 414WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 415 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 416 -Wlogical-op 417 418# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523 419TF_CFLAGS += $(call cc_option, --param=min-pagesize=0) 420 421else 422# using clang 423WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 424 -Wlogical-op-parentheses 425endif 426 427ifneq (${E},0) 428ERRORS := -Werror 429endif 430 431CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 432 $(ERRORS) $(WARNINGS) 433ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 434 -ffreestanding -Wa,--fatal-warnings 435TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 436 -ffunction-sections -fdata-sections \ 437 -ffreestanding -fno-builtin -fno-common \ 438 -Os -std=gnu99 439 440$(eval $(call add_define,SVE_VECTOR_LEN)) 441 442ifeq (${SANITIZE_UB},on) 443TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 444endif 445ifeq (${SANITIZE_UB},trap) 446TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 447 -fsanitize-undefined-trap-on-error 448endif 449 450GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 451 452TF_LDFLAGS += -z noexecstack 453 454# LD = armlink 455ifneq ($(findstring armlink,$(notdir $(LD))),) 456TF_LDFLAGS += --diag_error=warning --lto_level=O1 457TF_LDFLAGS += --remove --info=unused,unusedsymbols 458TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 459 460# LD = gcc (used when GCC LTO is enabled) 461else ifneq ($(findstring gcc,$(notdir $(LD))),) 462# Pass ld options with Wl or Xlinker switches 463TF_LDFLAGS += -Wl,--fatal-warnings -O1 464TF_LDFLAGS += -Wl,--gc-sections 465 466TF_LDFLAGS += -Wl,-z,common-page-size=4096 # Configure page size constants 467TF_LDFLAGS += -Wl,-z,max-page-size=4096 468 469ifeq ($(ENABLE_LTO),1) 470 ifeq (${ARCH},aarch64) 471 TF_LDFLAGS += -flto -fuse-linker-plugin 472 endif 473endif 474# GCC automatically adds fix-cortex-a53-843419 flag when used to link 475# which breaks some builds, so disable if errata fix is not explicitly enabled 476ifneq (${ERRATA_A53_843419},1) 477 TF_LDFLAGS += -mno-fix-cortex-a53-843419 478endif 479TF_LDFLAGS += -nostdlib 480TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 481 482# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 483else 484# With ld.bfd version 2.39 and newer new warnings are added. Skip those since we 485# are not loaded by a elf loader. 486TF_LDFLAGS += $(call ld_option, --no-warn-rwx-segments) 487TF_LDFLAGS += -O1 488TF_LDFLAGS += --gc-sections 489 490TF_LDFLAGS += -z common-page-size=4096 # Configure page size constants 491TF_LDFLAGS += -z max-page-size=4096 492 493# ld.lld doesn't recognize the errata flags, 494# therefore don't add those in that case. 495# ld.lld reports section type mismatch warnings, 496# therefore don't add --fatal-warnings to it. 497ifeq ($(findstring ld.lld,$(notdir $(LD))),) 498TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) --fatal-warnings 499endif 500endif 501 502DTC_FLAGS += -I dts -O dtb 503DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \ 504 -x assembler-with-cpp $(DEFINES) 505 506################################################################################ 507# Common sources and include directories 508################################################################################ 509include ${MAKE_HELPERS_DIRECTORY}arch_features.mk 510include lib/compiler-rt/compiler-rt.mk 511 512BL_COMMON_SOURCES += common/bl_common.c \ 513 common/tf_log.c \ 514 common/${ARCH}/debug.S \ 515 drivers/console/multi_console.c \ 516 lib/${ARCH}/cache_helpers.S \ 517 lib/${ARCH}/misc_helpers.S \ 518 plat/common/plat_bl_common.c \ 519 plat/common/plat_log_common.c \ 520 plat/common/${ARCH}/plat_common.c \ 521 plat/common/${ARCH}/platform_helpers.S \ 522 ${COMPILER_RT_SRCS} 523 524# Pointer Authentication sources 525ifeq (${ENABLE_PAUTH}, 1) 526# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the 527# Pauth support. As it's not secure, it must be reimplemented for real platforms 528BL_COMMON_SOURCES += lib/extensions/pauth/pauth_helpers.S 529endif 530 531ifeq ($(notdir $(CC)),armclang) 532BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 533endif 534 535ifeq (${SANITIZE_UB},on) 536BL_COMMON_SOURCES += plat/common/ubsan.c 537endif 538 539INCLUDES += -Iinclude \ 540 -Iinclude/arch/${ARCH} \ 541 -Iinclude/lib/cpus/${ARCH} \ 542 -Iinclude/lib/el3_runtime/${ARCH} \ 543 ${PLAT_INCLUDES} \ 544 ${SPD_INCLUDES} 545 546include common/backtrace/backtrace.mk 547 548################################################################################ 549# Generic definitions 550################################################################################ 551 552include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 553 554ifeq (${BUILD_BASE},) 555 BUILD_BASE := ./build 556endif 557BUILD_PLAT := $(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE} 558 559SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 560 561# Platforms providing their own TBB makefile may override this value 562INCLUDE_TBBR_MK := 1 563 564 565################################################################################ 566# Include SPD Makefile if one has been specified 567################################################################################ 568 569ifneq (${SPD},none) 570 ifeq (${ARCH},aarch32) 571 $(error "Error: SPD is incompatible with AArch32.") 572 endif 573 574 ifdef EL3_PAYLOAD_BASE 575 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 576 $(warning "The SPD and its BL32 companion will be present but ignored.") 577 endif 578 579 ifeq (${SPD},spmd) 580 # SPMD is located in std_svc directory 581 SPD_DIR := std_svc 582 583 ifeq ($(SPMD_SPM_AT_SEL2),1) 584 CTX_INCLUDE_EL2_REGS := 1 585 ifeq ($(SPMC_AT_EL3),1) 586 $(error SPM cannot be enabled in both S-EL2 and EL3.) 587 endif 588 endif 589 590 ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp) 591 DTC_CPPFLAGS += -DOPTEE_SP_FW_CONFIG 592 endif 593 594 ifeq ($(TS_SP_FW_CONFIG),1) 595 DTC_CPPFLAGS += -DTS_SP_FW_CONFIG 596 endif 597 598 ifneq ($(ARM_BL2_SP_LIST_DTS),) 599 DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS) 600 endif 601 602 ifneq ($(SP_LAYOUT_FILE),) 603 BL2_ENABLE_SP_LOAD := 1 604 endif 605 else 606 # All other SPDs in spd directory 607 SPD_DIR := spd 608 endif 609 610 # We expect to locate an spd.mk under the specified SPD directory 611 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 612 613 ifeq (${SPD_MAKE},) 614 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 615 endif 616 $(info Including ${SPD_MAKE}) 617 include ${SPD_MAKE} 618 619 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 620 # Makefile would set NEED_BL32 to "yes". In this case, the build system 621 # supports two mutually exclusive options: 622 # * BL32 is built from source: then BL32_SOURCES must contain the list 623 # of source files to build BL32 624 # * BL32 is a prebuilt binary: then BL32 must point to the image file 625 # that will be included in the FIP 626 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 627 # over the sources. 628endif 629 630ifeq (${CTX_INCLUDE_EL2_REGS}, 1) 631ifeq (${SPD},none) 632ifeq (${ENABLE_RME},0) 633 $(error CTX_INCLUDE_EL2_REGS is available only when SPD or RME is enabled) 634endif 635endif 636endif 637 638################################################################################ 639# Include rmmd Makefile if RME is enabled 640################################################################################ 641 642ifneq (${ENABLE_RME},0) 643ifneq (${ARCH},aarch64) 644 $(error ENABLE_RME requires AArch64) 645endif 646ifeq ($(SPMC_AT_EL3),1) 647 $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.) 648endif 649include services/std_svc/rmmd/rmmd.mk 650$(warning "RME is an experimental feature") 651endif 652 653################################################################################ 654# Include the platform specific Makefile after the SPD Makefile (the platform 655# makefile may use all previous definitions in this file) 656################################################################################ 657 658include ${PLAT_MAKEFILE_FULL} 659 660# This internal flag is common option which is set to 1 for scenarios 661# when the BL2 is running in EL3 level. This occurs in two scenarios - 662# 4 world system running BL2 at EL3 and two world system without BL1 running 663# BL2 in EL3 664 665ifeq (${RESET_TO_BL2},1) 666 BL2_RUNS_AT_EL3 := 1 667 ifeq (${ENABLE_RME},1) 668 $(error RESET_TO_BL2=1 and ENABLE_RME=1 configuration is not supported at the moment.) 669 endif 670else ifeq (${ENABLE_RME},1) 671 BL2_RUNS_AT_EL3 := 1 672else 673 BL2_RUNS_AT_EL3 := 0 674endif 675 676$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 677 678ifeq (${ARM_ARCH_MAJOR},7) 679include make_helpers/armv7-a-cpus.mk 680endif 681 682PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 683ifneq ($(PIE_FOUND),) 684 TF_CFLAGS += -fno-PIE 685ifneq ($(findstring gcc,$(notdir $(LD))),) 686 TF_LDFLAGS += -no-pie 687endif 688endif 689 690ifneq ($(findstring gcc,$(notdir $(LD))),) 691 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 692else 693 PIE_LDFLAGS += -pie --no-dynamic-linker 694endif 695 696ifeq ($(ENABLE_PIE),1) 697ifeq ($(RESET_TO_BL2),1) 698ifneq ($(BL2_IN_XIP_MEM),1) 699 BL2_CPPFLAGS += -fpie 700 BL2_CFLAGS += -fpie 701 BL2_LDFLAGS += $(PIE_LDFLAGS) 702endif 703endif 704 BL31_CPPFLAGS += -fpie 705 BL31_CFLAGS += -fpie 706 BL31_LDFLAGS += $(PIE_LDFLAGS) 707 708 BL32_CPPFLAGS += -fpie 709 BL32_CFLAGS += -fpie 710 BL32_LDFLAGS += $(PIE_LDFLAGS) 711endif 712 713ifeq (${ARCH},aarch64) 714BL1_CPPFLAGS += -DIMAGE_AT_EL3 715ifeq ($(RESET_TO_BL2),1) 716BL2_CPPFLAGS += -DIMAGE_AT_EL3 717else 718BL2_CPPFLAGS += -DIMAGE_AT_EL1 719endif 720BL2U_CPPFLAGS += -DIMAGE_AT_EL1 721BL31_CPPFLAGS += -DIMAGE_AT_EL3 722BL32_CPPFLAGS += -DIMAGE_AT_EL1 723endif 724 725# Include the CPU specific operations makefile, which provides default 726# values for all CPU errata workarounds and CPU specific optimisations. 727# This can be overridden by the platform. 728include lib/cpus/cpu-ops.mk 729 730ifeq (${ARCH},aarch32) 731NEED_BL32 := yes 732 733################################################################################ 734# Build `AARCH32_SP` as BL32 image for AArch32 735################################################################################ 736ifneq (${AARCH32_SP},none) 737# We expect to locate an sp.mk under the specified AARCH32_SP directory 738AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 739 740ifeq (${AARCH32_SP_MAKE},) 741 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 742endif 743 744$(info Including ${AARCH32_SP_MAKE}) 745include ${AARCH32_SP_MAKE} 746endif 747 748endif 749 750################################################################################ 751# Include libc if not overridden 752################################################################################ 753ifeq (${OVERRIDE_LIBC},0) 754include lib/libc/libc.mk 755endif 756 757################################################################################ 758# Check incompatible options 759################################################################################ 760 761ifdef EL3_PAYLOAD_BASE 762 ifdef PRELOADED_BL33_BASE 763 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 764 incompatible build options. EL3_PAYLOAD_BASE has priority.") 765 endif 766 ifneq (${GENERATE_COT},0) 767 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 768 endif 769 ifneq (${TRUSTED_BOARD_BOOT},0) 770 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 771 endif 772endif 773 774ifeq (${NEED_BL33},yes) 775 ifdef EL3_PAYLOAD_BASE 776 $(warning "BL33 image is not needed when option \ 777 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 778 endif 779 ifdef PRELOADED_BL33_BASE 780 $(warning "BL33 image is not needed when option \ 781 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 782 file.") 783 endif 784endif 785 786# When building for systems with hardware-assisted coherency, there's no need to 787# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 788ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 789$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 790endif 791 792#For now, BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is 1. 793ifeq ($(RESET_TO_BL2)-$(BL2_IN_XIP_MEM),0-1) 794$(error "BL2_IN_XIP_MEM is only supported when RESET_TO_BL2 is enabled") 795endif 796 797# RAS_EXTENSION is deprecated, provide alternate build options 798ifeq ($(RAS_EXTENSION),1) 799 $(error "RAS_EXTENSION is now deprecated, please use ENABLE_FEAT_RAS and RAS_FFH_SUPPORT instead") 800endif 801# RAS firmware first handling requires that EAs are handled in EL3 first 802ifeq ($(RAS_FFH_SUPPORT),1) 803 ifneq ($(ENABLE_FEAT_RAS),1) 804 $(error For RAS_FFH_SUPPORT, ENABLE_FEAT_RAS must also be 1) 805 endif 806 ifneq ($(HANDLE_EA_EL3_FIRST_NS),1) 807 $(error For RAS_FFH_SUPPORT, HANDLE_EA_EL3_FIRST_NS must also be 1) 808 endif 809endif 810# When FAULT_INJECTION_SUPPORT is used, require that FEAT_RAS is enabled 811ifeq ($(FAULT_INJECTION_SUPPORT),1) 812 ifeq ($(ENABLE_FEAT_RAS),0) 813 $(error For FAULT_INJECTION_SUPPORT, ENABLE_FEAT_RAS must not be 0) 814 endif 815endif 816 817# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 818ifeq ($(DYN_DISABLE_AUTH), 1) 819 ifeq (${TRUSTED_BOARD_BOOT}, 0) 820 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 821 endif 822endif 823 824ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1) 825# Support authentication verification and hash calculation 826 CRYPTO_SUPPORT := 3 827else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1) 828# Support authentication verification and hash calculation 829 CRYPTO_SUPPORT := 3 830else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),) 831# Support hash calculation only 832 CRYPTO_SUPPORT := 2 833else ifeq (${TRUSTED_BOARD_BOOT},1) 834# Support authentication verification only 835 CRYPTO_SUPPORT := 1 836else 837 CRYPTO_SUPPORT := 0 838endif 839 840# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 841ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 842$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled") 843endif 844 845# If pointer authentication is used in the firmware, make sure that all the 846# registers associated to it are also saved and restored. 847# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 848ifeq ($(ENABLE_PAUTH),1) 849 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 850 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 851 endif 852endif 853 854ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 855 ifneq (${ARCH},aarch64) 856 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 857 endif 858endif 859 860ifeq ($(CTX_INCLUDE_MTE_REGS),1) 861 ifneq (${ARCH},aarch64) 862 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 863 endif 864endif 865 866ifeq ($(PSA_FWU_SUPPORT),1) 867 $(info PSA_FWU_SUPPORT is an experimental feature) 868endif 869 870ifeq ($(FEATURE_DETECTION),1) 871 $(info FEATURE_DETECTION is an experimental feature) 872endif 873 874ifneq ($(ENABLE_SME2_FOR_NS), 0) 875 ifeq (${ENABLE_SME_FOR_NS}, 0) 876 $(warning "ENABLE_SME2_FOR_NS requires ENABLE_SME_FOR_NS also to be set") 877 $(warning "Forced ENABLE_SME_FOR_NS=1") 878 override ENABLE_SME_FOR_NS := 1 879 endif 880endif 881 882ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 883 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 884 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 885 endif 886endif 887 888ifneq (${DECRYPTION_SUPPORT},none) 889 ifeq (${TRUSTED_BOARD_BOOT}, 0) 890 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 891 endif 892endif 893 894# Ensure that no Aarch64-only features are enabled in Aarch32 build 895ifeq (${ARCH},aarch32) 896 897 # SME/SVE only supported on AArch64 898 ifneq (${ENABLE_SME_FOR_NS},0) 899 $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32") 900 endif 901 902 ifeq (${ENABLE_SVE_FOR_NS},1) 903 # Warning instead of error due to CI dependency on this 904 $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32") 905 endif 906 907 # BRBE is not supported in AArch32 908 ifeq (${ENABLE_BRBE_FOR_NS},1) 909 $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32") 910 endif 911 912 # FEAT_RNG_TRAP is not supported in AArch32 913 ifeq (${ENABLE_FEAT_RNG_TRAP},1) 914 $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32") 915 endif 916endif 917 918# Ensure ENABLE_RME is not used with SME 919ifeq (${ENABLE_RME},1) 920 ifneq (${ENABLE_SME_FOR_NS},0) 921 $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME") 922 endif 923endif 924 925# Secure SME/SVE requires the non-secure component as well 926ifeq (${ENABLE_SME_FOR_SWD},1) 927 ifeq (${ENABLE_SME_FOR_NS},0) 928 $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS") 929 endif 930endif 931ifeq (${ENABLE_SVE_FOR_SWD},1) 932 ifeq (${ENABLE_SVE_FOR_NS},0) 933 $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS") 934 endif 935endif 936 937# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does 938# its own context management including FPU registers. 939ifeq (${CTX_INCLUDE_FPREGS},1) 940 ifneq (${ENABLE_SME_FOR_NS},0) 941 $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 942 endif 943 944 ifeq (${ENABLE_SVE_FOR_NS},1) 945 # Warning instead of error due to CI dependency on this 946 $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 947 $(warning "Forced ENABLE_SVE_FOR_NS=0") 948 override ENABLE_SVE_FOR_NS := 0 949 endif 950endif 951 952ifeq ($(DRTM_SUPPORT),1) 953 $(info DRTM_SUPPORT is an experimental feature) 954endif 955 956ifeq (${ENABLE_RME},1) 957 ifneq (${SEPARATE_CODE_AND_RODATA},1) 958 $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`) 959 endif 960endif 961 962################################################################################ 963# Process platform overrideable behaviour 964################################################################################ 965 966ifdef BL1_SOURCES 967NEED_BL1 := yes 968endif 969 970ifdef BL2_SOURCES 971 NEED_BL2 := yes 972 973 # Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 974 # Certificate generation tools. This flag can be overridden by the platform. 975 ifdef EL3_PAYLOAD_BASE 976 # If booting an EL3 payload there is no need for a BL33 image 977 # in the FIP file. 978 NEED_BL33 := no 979 else 980 ifdef PRELOADED_BL33_BASE 981 # If booting a BL33 preloaded image there is no need of 982 # another one in the FIP file. 983 NEED_BL33 := no 984 else 985 NEED_BL33 ?= yes 986 endif 987 endif 988endif 989 990ifdef BL2U_SOURCES 991NEED_BL2U := yes 992endif 993 994# If SCP_BL2 is given, we always want FIP to include it. 995ifdef SCP_BL2 996 NEED_SCP_BL2 := yes 997endif 998 999# For AArch32, BL31 is not currently supported. 1000ifneq (${ARCH},aarch32) 1001 ifdef BL31_SOURCES 1002 # When booting an EL3 payload, there is no need to compile the BL31 image nor 1003 # put it in the FIP. 1004 ifndef EL3_PAYLOAD_BASE 1005 NEED_BL31 := yes 1006 endif 1007 endif 1008endif 1009 1010# Process TBB related flags 1011ifneq (${GENERATE_COT},0) 1012 # Common cert_create options 1013 ifneq (${CREATE_KEYS},0) 1014 $(eval CRT_ARGS += -n) 1015 $(eval FWU_CRT_ARGS += -n) 1016 ifneq (${SAVE_KEYS},0) 1017 $(eval CRT_ARGS += -k) 1018 $(eval FWU_CRT_ARGS += -k) 1019 endif 1020 endif 1021 # Include TBBR makefile (unless the platform indicates otherwise) 1022 ifeq (${INCLUDE_TBBR_MK},1) 1023 include make_helpers/tbbr/tbbr_tools.mk 1024 endif 1025endif 1026 1027ifneq (${FIP_ALIGN},0) 1028FIP_ARGS += --align ${FIP_ALIGN} 1029endif 1030 1031ifdef FDT_SOURCES 1032NEED_FDT := yes 1033endif 1034 1035################################################################################ 1036# Include libraries' Makefile that are used in all BL 1037################################################################################ 1038 1039include lib/stack_protector/stack_protector.mk 1040 1041################################################################################ 1042# Auxiliary tools (fiptool, cert_create, etc) 1043################################################################################ 1044 1045# Variables for use with Certificate Generation Tool 1046CRTTOOLPATH ?= tools/cert_create 1047CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 1048 1049# Variables for use with Firmware Encryption Tool 1050ENCTOOLPATH ?= tools/encrypt_fw 1051ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 1052 1053# Variables for use with Firmware Image Package 1054FIPTOOLPATH ?= tools/fiptool 1055FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 1056 1057# Variables for use with sptool 1058SPTOOLPATH ?= tools/sptool 1059SPTOOL ?= ${SPTOOLPATH}/sptool.py 1060SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 1061 1062# Variables for use with ROMLIB 1063ROMLIBPATH ?= lib/romlib 1064 1065# Variable for use with Python 1066PYTHON ?= python3 1067 1068# Variables for use with PRINT_MEMORY_MAP 1069PRINT_MEMORY_MAP_PATH ?= tools/memory 1070PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 1071INVERTED_MEMMAP ?= 0 1072 1073# Variables for use with documentation build using Sphinx tool 1074DOCS_PATH ?= docs 1075 1076# Defination of SIMICS flag 1077SIMICS_BUILD ?= 0 1078 1079################################################################################ 1080# Include BL specific makefiles 1081################################################################################ 1082 1083ifeq (${NEED_BL1},yes) 1084include bl1/bl1.mk 1085endif 1086 1087ifeq (${NEED_BL2},yes) 1088include bl2/bl2.mk 1089endif 1090 1091ifeq (${NEED_BL2U},yes) 1092include bl2u/bl2u.mk 1093endif 1094 1095ifeq (${NEED_BL31},yes) 1096include bl31/bl31.mk 1097endif 1098 1099################################################################################ 1100# Build options checks 1101################################################################################ 1102 1103$(eval $(call assert_booleans,\ 1104 $(sort \ 1105 ALLOW_RO_XLAT_TABLES \ 1106 BL2_ENABLE_SP_LOAD \ 1107 COLD_BOOT_SINGLE_CPU \ 1108 CREATE_KEYS \ 1109 CTX_INCLUDE_AARCH32_REGS \ 1110 CTX_INCLUDE_FPREGS \ 1111 CTX_INCLUDE_EL2_REGS \ 1112 DEBUG \ 1113 DISABLE_MTPMU \ 1114 DYN_DISABLE_AUTH \ 1115 EL3_EXCEPTION_HANDLING \ 1116 ENABLE_AMU_AUXILIARY_COUNTERS \ 1117 ENABLE_AMU_FCONF \ 1118 AMU_RESTRICT_COUNTERS \ 1119 ENABLE_ASSERTIONS \ 1120 ENABLE_FEAT_SB \ 1121 ENABLE_PIE \ 1122 ENABLE_PMF \ 1123 ENABLE_PSCI_STAT \ 1124 ENABLE_RUNTIME_INSTRUMENTATION \ 1125 ENABLE_SME_FOR_SWD \ 1126 ENABLE_SVE_FOR_SWD \ 1127 ERROR_DEPRECATED \ 1128 FAULT_INJECTION_SUPPORT \ 1129 GENERATE_COT \ 1130 GICV2_G0_FOR_EL3 \ 1131 HANDLE_EA_EL3_FIRST_NS \ 1132 HW_ASSISTED_COHERENCY \ 1133 INVERTED_MEMMAP \ 1134 MEASURED_BOOT \ 1135 DRTM_SUPPORT \ 1136 NS_TIMER_SWITCH \ 1137 OVERRIDE_LIBC \ 1138 PL011_GENERIC_UART \ 1139 PLAT_RSS_NOT_SUPPORTED \ 1140 PROGRAMMABLE_RESET_ADDRESS \ 1141 PSCI_EXTENDED_STATE_ID \ 1142 PSCI_OS_INIT_MODE \ 1143 RESET_TO_BL31 \ 1144 SAVE_KEYS \ 1145 SEPARATE_CODE_AND_RODATA \ 1146 SEPARATE_BL2_NOLOAD_REGION \ 1147 SEPARATE_NOBITS_REGION \ 1148 SPIN_ON_BL1_EXIT \ 1149 SPM_MM \ 1150 SPMC_AT_EL3 \ 1151 SPMD_SPM_AT_SEL2 \ 1152 TRUSTED_BOARD_BOOT \ 1153 USE_COHERENT_MEM \ 1154 USE_DEBUGFS \ 1155 ARM_IO_IN_DTB \ 1156 SDEI_IN_FCONF \ 1157 SEC_INT_DESC_IN_FCONF \ 1158 USE_ROMLIB \ 1159 USE_TBBR_DEFS \ 1160 WARMBOOT_ENABLE_DCACHE_EARLY \ 1161 RESET_TO_BL2 \ 1162 BL2_IN_XIP_MEM \ 1163 BL2_INV_DCACHE \ 1164 USE_SPINLOCK_CAS \ 1165 ENCRYPT_BL31 \ 1166 ENCRYPT_BL32 \ 1167 ERRATA_SPECULATIVE_AT \ 1168 RAS_TRAP_NS_ERR_REC_ACCESS \ 1169 COT_DESC_IN_DTB \ 1170 USE_SP804_TIMER \ 1171 PSA_FWU_SUPPORT \ 1172 ENABLE_MPMM \ 1173 ENABLE_MPMM_FCONF \ 1174 SIMICS_BUILD \ 1175 FEATURE_DETECTION \ 1176 TRNG_SUPPORT \ 1177 CONDITIONAL_CMO \ 1178 RAS_FFH_SUPPORT \ 1179))) 1180 1181$(eval $(call assert_numerics,\ 1182 $(sort \ 1183 ARM_ARCH_MAJOR \ 1184 ARM_ARCH_MINOR \ 1185 BRANCH_PROTECTION \ 1186 CTX_INCLUDE_PAUTH_REGS \ 1187 CTX_INCLUDE_MTE_REGS \ 1188 CTX_INCLUDE_NEVE_REGS \ 1189 CRYPTO_SUPPORT \ 1190 ENABLE_BRBE_FOR_NS \ 1191 ENABLE_TRBE_FOR_NS \ 1192 ENABLE_BTI \ 1193 ENABLE_PAUTH \ 1194 ENABLE_FEAT_AMU \ 1195 ENABLE_FEAT_AMUv1p1 \ 1196 ENABLE_FEAT_CSV2_2 \ 1197 ENABLE_FEAT_RAS \ 1198 ENABLE_FEAT_DIT \ 1199 ENABLE_FEAT_ECV \ 1200 ENABLE_FEAT_FGT \ 1201 ENABLE_FEAT_HCX \ 1202 ENABLE_FEAT_PAN \ 1203 ENABLE_FEAT_RNG \ 1204 ENABLE_FEAT_RNG_TRAP \ 1205 ENABLE_FEAT_SEL2 \ 1206 ENABLE_FEAT_TCR2 \ 1207 ENABLE_FEAT_S2PIE \ 1208 ENABLE_FEAT_S1PIE \ 1209 ENABLE_FEAT_S2POE \ 1210 ENABLE_FEAT_S1POE \ 1211 ENABLE_FEAT_GCS \ 1212 ENABLE_FEAT_VHE \ 1213 ENABLE_MPAM_FOR_LOWER_ELS \ 1214 ENABLE_RME \ 1215 ENABLE_SPE_FOR_NS \ 1216 ENABLE_SYS_REG_TRACE_FOR_NS \ 1217 ENABLE_SME_FOR_NS \ 1218 ENABLE_SME2_FOR_NS \ 1219 ENABLE_SVE_FOR_NS \ 1220 ENABLE_TRF_FOR_NS \ 1221 FW_ENC_STATUS \ 1222 NR_OF_FW_BANKS \ 1223 NR_OF_IMAGES_IN_FW_BANK \ 1224 TWED_DELAY \ 1225 ENABLE_FEAT_TWED \ 1226 SVE_VECTOR_LEN \ 1227 IMPDEF_SYSREG_TRAP \ 1228))) 1229 1230ifdef KEY_SIZE 1231 $(eval $(call assert_numeric,KEY_SIZE)) 1232endif 1233 1234ifeq ($(filter $(SANITIZE_UB), on off trap),) 1235 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 1236endif 1237 1238################################################################################ 1239# Add definitions to the cpp preprocessor based on the current build options. 1240# This is done after including the platform specific makefile to allow the 1241# platform to overwrite the default options 1242################################################################################ 1243 1244$(eval $(call add_defines,\ 1245 $(sort \ 1246 ALLOW_RO_XLAT_TABLES \ 1247 ARM_ARCH_MAJOR \ 1248 ARM_ARCH_MINOR \ 1249 BL2_ENABLE_SP_LOAD \ 1250 COLD_BOOT_SINGLE_CPU \ 1251 CTX_INCLUDE_AARCH32_REGS \ 1252 CTX_INCLUDE_FPREGS \ 1253 CTX_INCLUDE_PAUTH_REGS \ 1254 EL3_EXCEPTION_HANDLING \ 1255 CTX_INCLUDE_MTE_REGS \ 1256 CTX_INCLUDE_EL2_REGS \ 1257 CTX_INCLUDE_NEVE_REGS \ 1258 DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \ 1259 DISABLE_MTPMU \ 1260 ENABLE_FEAT_AMU \ 1261 ENABLE_AMU_AUXILIARY_COUNTERS \ 1262 ENABLE_AMU_FCONF \ 1263 AMU_RESTRICT_COUNTERS \ 1264 ENABLE_ASSERTIONS \ 1265 ENABLE_BTI \ 1266 ENABLE_MPAM_FOR_LOWER_ELS \ 1267 ENABLE_PAUTH \ 1268 ENABLE_PIE \ 1269 ENABLE_PMF \ 1270 ENABLE_PSCI_STAT \ 1271 ENABLE_RME \ 1272 ENABLE_RUNTIME_INSTRUMENTATION \ 1273 ENABLE_SME_FOR_NS \ 1274 ENABLE_SME2_FOR_NS \ 1275 ENABLE_SME_FOR_SWD \ 1276 ENABLE_SPE_FOR_NS \ 1277 ENABLE_SVE_FOR_NS \ 1278 ENABLE_SVE_FOR_SWD \ 1279 ENCRYPT_BL31 \ 1280 ENCRYPT_BL32 \ 1281 ERROR_DEPRECATED \ 1282 FAULT_INJECTION_SUPPORT \ 1283 GICV2_G0_FOR_EL3 \ 1284 HANDLE_EA_EL3_FIRST_NS \ 1285 HW_ASSISTED_COHERENCY \ 1286 LOG_LEVEL \ 1287 MEASURED_BOOT \ 1288 DRTM_SUPPORT \ 1289 NS_TIMER_SWITCH \ 1290 PL011_GENERIC_UART \ 1291 PLAT_${PLAT} \ 1292 PLAT_RSS_NOT_SUPPORTED \ 1293 PROGRAMMABLE_RESET_ADDRESS \ 1294 PSCI_EXTENDED_STATE_ID \ 1295 PSCI_OS_INIT_MODE \ 1296 ENABLE_FEAT_RAS \ 1297 RAS_FFH_SUPPORT \ 1298 RESET_TO_BL31 \ 1299 SEPARATE_CODE_AND_RODATA \ 1300 SEPARATE_BL2_NOLOAD_REGION \ 1301 SEPARATE_NOBITS_REGION \ 1302 RECLAIM_INIT_CODE \ 1303 SPD_${SPD} \ 1304 SPIN_ON_BL1_EXIT \ 1305 SPM_MM \ 1306 SPMC_AT_EL3 \ 1307 SPMD_SPM_AT_SEL2 \ 1308 TRUSTED_BOARD_BOOT \ 1309 CRYPTO_SUPPORT \ 1310 TRNG_SUPPORT \ 1311 USE_COHERENT_MEM \ 1312 USE_DEBUGFS \ 1313 ARM_IO_IN_DTB \ 1314 SDEI_IN_FCONF \ 1315 SEC_INT_DESC_IN_FCONF \ 1316 USE_ROMLIB \ 1317 USE_TBBR_DEFS \ 1318 WARMBOOT_ENABLE_DCACHE_EARLY \ 1319 RESET_TO_BL2 \ 1320 BL2_RUNS_AT_EL3 \ 1321 BL2_IN_XIP_MEM \ 1322 BL2_INV_DCACHE \ 1323 USE_SPINLOCK_CAS \ 1324 ERRATA_SPECULATIVE_AT \ 1325 RAS_TRAP_NS_ERR_REC_ACCESS \ 1326 COT_DESC_IN_DTB \ 1327 USE_SP804_TIMER \ 1328 ENABLE_FEAT_RNG \ 1329 ENABLE_FEAT_RNG_TRAP \ 1330 ENABLE_FEAT_SB \ 1331 ENABLE_FEAT_DIT \ 1332 NR_OF_FW_BANKS \ 1333 NR_OF_IMAGES_IN_FW_BANK \ 1334 PSA_FWU_SUPPORT \ 1335 ENABLE_BRBE_FOR_NS \ 1336 ENABLE_TRBE_FOR_NS \ 1337 ENABLE_SYS_REG_TRACE_FOR_NS \ 1338 ENABLE_TRF_FOR_NS \ 1339 ENABLE_FEAT_HCX \ 1340 ENABLE_MPMM \ 1341 ENABLE_MPMM_FCONF \ 1342 ENABLE_FEAT_FGT \ 1343 ENABLE_FEAT_ECV \ 1344 SIMICS_BUILD \ 1345 ENABLE_FEAT_AMUv1p1 \ 1346 ENABLE_FEAT_SEL2 \ 1347 ENABLE_FEAT_VHE \ 1348 ENABLE_FEAT_CSV2_2 \ 1349 ENABLE_FEAT_PAN \ 1350 ENABLE_FEAT_TCR2 \ 1351 ENABLE_FEAT_S2PIE \ 1352 ENABLE_FEAT_S1PIE \ 1353 ENABLE_FEAT_S2POE \ 1354 ENABLE_FEAT_S1POE \ 1355 ENABLE_FEAT_GCS \ 1356 FEATURE_DETECTION \ 1357 TWED_DELAY \ 1358 ENABLE_FEAT_TWED \ 1359 CONDITIONAL_CMO \ 1360 IMPDEF_SYSREG_TRAP \ 1361))) 1362 1363ifeq (${SANITIZE_UB},trap) 1364 $(eval $(call add_define,MONITOR_TRAPS)) 1365endif 1366 1367# Define the EL3_PAYLOAD_BASE flag only if it is provided. 1368ifdef EL3_PAYLOAD_BASE 1369 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 1370else 1371 # Define the PRELOADED_BL33_BASE flag only if it is provided and 1372 # EL3_PAYLOAD_BASE is not defined, as it has priority. 1373 ifdef PRELOADED_BL33_BASE 1374 $(eval $(call add_define,PRELOADED_BL33_BASE)) 1375 endif 1376endif 1377 1378# Define the DYN_DISABLE_AUTH flag only if set. 1379ifeq (${DYN_DISABLE_AUTH},1) 1380$(eval $(call add_define,DYN_DISABLE_AUTH)) 1381endif 1382 1383ifneq ($(findstring armlink,$(notdir $(LD))),) 1384$(eval $(call add_define,USE_ARM_LINK)) 1385endif 1386 1387# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1388ifeq (${SPD},spmd) 1389ifdef SP_LAYOUT_FILE 1390 -include $(BUILD_PLAT)/sp_gen.mk 1391 FIP_DEPS += sp 1392 CRT_DEPS += sp 1393 NEED_SP_PKG := yes 1394else 1395 ifeq (${SPMD_SPM_AT_SEL2},1) 1396 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1397 endif 1398endif 1399endif 1400 1401################################################################################ 1402# Build targets 1403################################################################################ 1404 1405.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1406.SUFFIXES: 1407 1408all: msg_start 1409 1410msg_start: 1411 @echo "Building ${PLAT}" 1412 1413ifeq (${ERROR_DEPRECATED},0) 1414# Check if deprecated declarations and cpp warnings should be treated as error or not. 1415ifneq ($(findstring clang,$(notdir $(CC))),) 1416 CPPFLAGS += -Wno-error=deprecated-declarations 1417else 1418 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1419endif 1420endif # !ERROR_DEPRECATED 1421 1422$(eval $(call MAKE_LIB_DIRS)) 1423$(eval $(call MAKE_LIB,c)) 1424 1425# Expand build macros for the different images 1426ifeq (${NEED_BL1},yes) 1427BL1_SOURCES := $(sort ${BL1_SOURCES}) 1428 1429$(eval $(call MAKE_BL,bl1)) 1430endif 1431 1432ifeq (${NEED_BL2},yes) 1433ifeq (${RESET_TO_BL2}, 0) 1434FIP_BL2_ARGS := tb-fw 1435endif 1436 1437BL2_SOURCES := $(sort ${BL2_SOURCES}) 1438 1439$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1440 $(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS}))) 1441endif 1442 1443ifeq (${NEED_SCP_BL2},yes) 1444$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1445endif 1446 1447ifeq (${NEED_BL31},yes) 1448BL31_SOURCES += ${SPD_SOURCES} 1449# Sort BL31 source files to remove duplicates 1450BL31_SOURCES := $(sort ${BL31_SOURCES}) 1451ifneq (${DECRYPTION_SUPPORT},none) 1452$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1453 $(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31)))) 1454else 1455$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1456 $(eval $(call MAKE_BL,bl31,soc-fw))) 1457endif 1458endif 1459 1460# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1461# build system will call TOOL_ADD_IMG to print a warning message and abort the 1462# process. Note that the dependency on BL32 applies to the FIP only. 1463ifeq (${NEED_BL32},yes) 1464# Sort BL32 source files to remove duplicates 1465BL32_SOURCES := $(sort ${BL32_SOURCES}) 1466BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1467 1468ifneq (${DECRYPTION_SUPPORT},none) 1469$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\ 1470 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1471else 1472$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\ 1473 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1474endif 1475endif 1476 1477# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP) 1478# needs to be built from RMM_SOURCES. 1479ifeq (${NEED_RMM},yes) 1480# Sort RMM source files to remove duplicates 1481RMM_SOURCES := $(sort ${RMM_SOURCES}) 1482BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1)) 1483 1484$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\ 1485 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw))) 1486endif 1487 1488# Add the BL33 image if required by the platform 1489ifeq (${NEED_BL33},yes) 1490$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1491endif 1492 1493ifeq (${NEED_BL2U},yes) 1494$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1495 $(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_))) 1496endif 1497 1498# Expand build macros for the different images 1499ifeq (${NEED_FDT},yes) 1500 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1501endif 1502 1503# Add Secure Partition packages 1504ifeq (${NEED_SP_PKG},yes) 1505$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1506 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} 1507sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS) 1508 @${ECHO_BLANK_LINE} 1509 @echo "Built SP Images successfully" 1510 @${ECHO_BLANK_LINE} 1511endif 1512 1513locate-checkpatch: 1514ifndef CHECKPATCH 1515 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1516else 1517ifeq (,$(wildcard ${CHECKPATCH})) 1518 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1519endif 1520endif 1521 1522clean: 1523 @echo " CLEAN" 1524 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1525ifdef UNIX_MK 1526 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1527else 1528# Clear the MAKEFLAGS as we do not want 1529# to pass the gnumake flags to nmake. 1530 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean 1531endif 1532 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1533 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1534 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1535 1536realclean distclean: 1537 @echo " REALCLEAN" 1538 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1539 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1540ifdef UNIX_MK 1541 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1542else 1543# Clear the MAKEFLAGS as we do not want 1544# to pass the gnumake flags to nmake. 1545 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean 1546endif 1547 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean 1548 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1549 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1550 1551checkcodebase: locate-checkpatch 1552 @echo " CHECKING STYLE" 1553 @if test -d .git ; then \ 1554 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1555 while read GIT_FILE ; \ 1556 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1557 done ; \ 1558 else \ 1559 find . -type f -not -iwholename "*.git*" \ 1560 -not -iwholename "*build*" \ 1561 -not -iwholename "*libfdt*" \ 1562 -not -iwholename "*libc*" \ 1563 -not -iwholename "*docs*" \ 1564 -not -iwholename "*.rst" \ 1565 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1566 fi 1567 1568checkpatch: locate-checkpatch 1569 @echo " CHECKING STYLE" 1570 @if test -n "${CHECKPATCH_OPTS}"; then \ 1571 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1572 fi 1573 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1574 for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`; \ 1575 do \ 1576 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1577 git log --format=email "$$commit~..$$commit" \ 1578 -- ${CHECK_PATHS} | \ 1579 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1580 git diff --format=email "$$commit~..$$commit" \ 1581 -- ${CHECK_PATHS} | \ 1582 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1583 done 1584 1585certtool: ${CRTTOOL} 1586 1587${CRTTOOL}: FORCE 1588 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${CRTTOOLPATH} all 1589 @${ECHO_BLANK_LINE} 1590 @echo "Built $@ successfully" 1591 @${ECHO_BLANK_LINE} 1592 1593ifneq (${GENERATE_COT},0) 1594certificates: ${CRT_DEPS} ${CRTTOOL} 1595 ${Q}${CRTTOOL} ${CRT_ARGS} 1596 @${ECHO_BLANK_LINE} 1597 @echo "Built $@ successfully" 1598 @echo "Certificates can be found in ${BUILD_PLAT}" 1599 @${ECHO_BLANK_LINE} 1600endif 1601 1602${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1603 $(eval ${CHECK_FIP_CMD}) 1604 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1605 ${Q}${FIPTOOL} info $@ 1606 @${ECHO_BLANK_LINE} 1607 @echo "Built $@ successfully" 1608 @${ECHO_BLANK_LINE} 1609 1610ifneq (${GENERATE_COT},0) 1611fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1612 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1613 @${ECHO_BLANK_LINE} 1614 @echo "Built $@ successfully" 1615 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1616 @${ECHO_BLANK_LINE} 1617endif 1618 1619${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1620 $(eval ${CHECK_FWU_FIP_CMD}) 1621 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1622 ${Q}${FIPTOOL} info $@ 1623 @${ECHO_BLANK_LINE} 1624 @echo "Built $@ successfully" 1625 @${ECHO_BLANK_LINE} 1626 1627fiptool: ${FIPTOOL} 1628fip: ${BUILD_PLAT}/${FIP_NAME} 1629fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1630 1631${FIPTOOL}: FORCE 1632ifdef UNIX_MK 1633 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${FIPTOOLPATH} all 1634else 1635# Clear the MAKEFLAGS as we do not want 1636# to pass the gnumake flags to nmake. 1637 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) 1638endif 1639 1640romlib.bin: libraries FORCE 1641 ${Q}${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 1642 1643# Call print_memory_map tool 1644memmap: all 1645 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1646 1647doc: 1648 @echo " BUILD DOCUMENTATION" 1649 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1650 1651enctool: ${ENCTOOL} 1652 1653${ENCTOOL}: FORCE 1654 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${ENCTOOLPATH} all 1655 @${ECHO_BLANK_LINE} 1656 @echo "Built $@ successfully" 1657 @${ECHO_BLANK_LINE} 1658 1659cscope: 1660 @echo " CSCOPE" 1661 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1662 ${Q}cscope -b -q -k 1663 1664help: 1665 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1666 @echo "" 1667 @echo "PLAT is used to specify which platform you wish to build." 1668 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1669 @echo "" 1670 @echo "platform = ${PLATFORM_LIST}" 1671 @echo "" 1672 @echo "Please refer to the User Guide for a list of all supported options." 1673 @echo "Note that the build system doesn't track dependencies for build " 1674 @echo "options. Therefore, if any of the build options are changed " 1675 @echo "from a previous build, a clean build must be performed." 1676 @echo "" 1677 @echo "Supported Targets:" 1678 @echo " all Build all individual bootloader binaries" 1679 @echo " bl1 Build the BL1 binary" 1680 @echo " bl2 Build the BL2 binary" 1681 @echo " bl2u Build the BL2U binary" 1682 @echo " bl31 Build the BL31 binary" 1683 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1684 @echo " this builds secure payload specified by AARCH32_SP" 1685 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1686 @echo " fip Build the Firmware Image Package (FIP)" 1687 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1688 @echo " checkcodebase Check the coding style of the entire source tree" 1689 @echo " checkpatch Check the coding style on changes in the current" 1690 @echo " branch against BASE_COMMIT (default origin/master)" 1691 @echo " clean Clean the build for the selected platform" 1692 @echo " cscope Generate cscope index" 1693 @echo " distclean Remove all build artifacts for all platforms" 1694 @echo " certtool Build the Certificate generation tool" 1695 @echo " enctool Build the Firmware encryption tool" 1696 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1697 @echo " sp Build the Secure Partition Packages" 1698 @echo " sptool Build the Secure Partition Package creation tool" 1699 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1700 @echo " memmap Print the memory map of the built binaries" 1701 @echo " doc Build html based documentation using Sphinx tool" 1702 @echo "" 1703 @echo "Note: most build targets require PLAT to be set to a specific platform." 1704 @echo "" 1705 @echo "example: build all targets for the FVP platform:" 1706 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1707 1708.PHONY: FORCE 1709FORCE:; 1710