1# 2# Copyright (c) 2013-2022, 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 $(error ENABLE_RME requires AArch64) 147endif 148# RME requires el2 context to be saved for now. 149CTX_INCLUDE_EL2_REGS := 1 150CTX_INCLUDE_AARCH32_REGS := 0 151ARM_ARCH_MAJOR := 8 152ARM_ARCH_MINOR := 5 153ENABLE_FEAT_ECV = 1 154ENABLE_FEAT_FGT = 1 155 156endif 157 158# USE_SPINLOCK_CAS requires AArch64 build 159ifeq (${USE_SPINLOCK_CAS},1) 160ifneq (${ARCH},aarch64) 161 $(error USE_SPINLOCK_CAS requires AArch64) 162endif 163endif 164 165# USE_DEBUGFS experimental feature recommended only in debug builds 166ifeq (${USE_DEBUGFS},1) 167ifeq (${DEBUG},1) 168 $(warning DEBUGFS experimental feature is enabled.) 169else 170 $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY) 171endif 172endif 173 174ifneq (${DECRYPTION_SUPPORT},none) 175ENC_ARGS += -f ${FW_ENC_STATUS} 176ENC_ARGS += -k ${ENC_KEY} 177ENC_ARGS += -n ${ENC_NONCE} 178FIP_DEPS += enctool 179FWU_FIP_DEPS += enctool 180endif 181 182################################################################################ 183# Toolchain 184################################################################################ 185 186HOSTCC := gcc 187export HOSTCC 188 189CC := ${CROSS_COMPILE}gcc 190CPP := ${CROSS_COMPILE}cpp 191AS := ${CROSS_COMPILE}gcc 192AR := ${CROSS_COMPILE}ar 193LINKER := ${CROSS_COMPILE}ld 194OC := ${CROSS_COMPILE}objcopy 195OD := ${CROSS_COMPILE}objdump 196NM := ${CROSS_COMPILE}nm 197PP := ${CROSS_COMPILE}gcc -E 198DTC := dtc 199 200# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 201ifneq ($(strip $(wildcard ${LD}.bfd) \ 202 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 203LINKER := ${LINKER}.bfd 204endif 205 206ifeq (${ARM_ARCH_MAJOR},7) 207target32-directive = -target arm-none-eabi 208# Will set march32-directive from platform configuration 209else 210target32-directive = -target armv8a-none-eabi 211 212# Set the compiler's target architecture profile based on 213# ARM_ARCH_MAJOR ARM_ARCH_MINOR options 214ifeq (${ARM_ARCH_MINOR},0) 215march32-directive = -march=armv${ARM_ARCH_MAJOR}-a 216march64-directive = -march=armv${ARM_ARCH_MAJOR}-a 217else 218march32-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 219march64-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 220endif 221endif 222 223# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards 224ifeq ($(ARCH), aarch64) 225# Check if revision is greater than or equal to 8.5 226ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 227mem_tag_arch_support = yes 228endif 229endif 230 231# Get architecture feature modifiers 232arch-features = ${ARM_ARCH_FEATURE} 233 234# Enable required options for memory stack tagging. 235# Currently, these options are enabled only for clang and armclang compiler. 236ifeq (${SUPPORT_STACK_MEMTAG},yes) 237ifdef mem_tag_arch_support 238# Check for armclang and clang compilers 239ifneq ( ,$(filter $(notdir $(CC)),armclang clang)) 240# Add "memtag" architecture feature modifier if not specified 241ifeq ( ,$(findstring memtag,$(arch-features))) 242arch-features := $(arch-features)+memtag 243endif # memtag 244ifeq ($(notdir $(CC)),armclang) 245TF_CFLAGS += -mmemtag-stack 246else ifeq ($(notdir $(CC)),clang) 247TF_CFLAGS += -fsanitize=memtag 248endif # armclang 249endif # armclang clang 250else 251$(error "Error: stack memory tagging is not supported for architecture \ 252 ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a") 253endif # mem_tag_arch_support 254endif # SUPPORT_STACK_MEMTAG 255 256# Set the compiler's architecture feature modifiers 257ifneq ($(arch-features), none) 258# Strip "none+" from arch-features 259arch-features := $(subst none+,,$(arch-features)) 260ifeq ($(ARCH), aarch32) 261march32-directive := $(march32-directive)+$(arch-features) 262else 263march64-directive := $(march64-directive)+$(arch-features) 264endif 265# Print features 266$(info Arm Architecture Features specified: $(subst +, ,$(arch-features))) 267endif # arch-features 268 269# Determine if FEAT_RNG is supported 270ENABLE_FEAT_RNG = $(if $(findstring rng,${arch-features}),1,0) 271 272# Determine if FEAT_SB is supported 273ENABLE_FEAT_SB = $(if $(findstring sb,${arch-features}),1,0) 274 275ifneq ($(findstring clang,$(notdir $(CC))),) 276 ifneq ($(findstring armclang,$(notdir $(CC))),) 277 TF_CFLAGS_aarch32 := -target arm-arm-none-eabi $(march32-directive) 278 TF_CFLAGS_aarch64 := -target aarch64-arm-none-eabi $(march64-directive) 279 LD := $(LINKER) 280 else 281 TF_CFLAGS_aarch32 = $(target32-directive) $(march32-directive) 282 TF_CFLAGS_aarch64 := -target aarch64-elf $(march64-directive) 283 LD := $(shell $(CC) --print-prog-name ld.lld) 284 285 AR := $(shell $(CC) --print-prog-name llvm-ar) 286 OD := $(shell $(CC) --print-prog-name llvm-objdump) 287 OC := $(shell $(CC) --print-prog-name llvm-objcopy) 288 endif 289 290 CPP := $(CC) -E $(TF_CFLAGS_$(ARCH)) 291 PP := $(CC) -E $(TF_CFLAGS_$(ARCH)) 292 AS := $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 293else ifneq ($(findstring gcc,$(notdir $(CC))),) 294TF_CFLAGS_aarch32 = $(march32-directive) 295TF_CFLAGS_aarch64 = $(march64-directive) 296ifeq ($(ENABLE_LTO),1) 297 # Enable LTO only for aarch64 298 ifeq (${ARCH},aarch64) 299 LTO_CFLAGS = -flto 300 # Use gcc as a wrapper for the ld, recommended for LTO 301 LINKER := ${CROSS_COMPILE}gcc 302 endif 303endif 304LD = $(LINKER) 305else 306TF_CFLAGS_aarch32 = $(march32-directive) 307TF_CFLAGS_aarch64 = $(march64-directive) 308LD = $(LINKER) 309endif 310 311# Process Debug flag 312$(eval $(call add_define,DEBUG)) 313ifneq (${DEBUG}, 0) 314 BUILD_TYPE := debug 315 TF_CFLAGS += -g -gdwarf-4 316 ASFLAGS += -g -Wa,-gdwarf-4 317 318 # Use LOG_LEVEL_INFO by default for debug builds 319 LOG_LEVEL := 40 320else 321 BUILD_TYPE := release 322 # Use LOG_LEVEL_NOTICE by default for release builds 323 LOG_LEVEL := 20 324endif 325 326# Default build string (git branch and commit) 327ifeq (${BUILD_STRING},) 328 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 329endif 330VERSION_STRING := v${VERSION}(${BUILD_TYPE}):${BUILD_STRING} 331 332ifeq (${AARCH32_INSTRUCTION_SET},A32) 333TF_CFLAGS_aarch32 += -marm 334else ifeq (${AARCH32_INSTRUCTION_SET},T32) 335TF_CFLAGS_aarch32 += -mthumb 336else 337$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 338endif 339 340TF_CFLAGS_aarch32 += -mno-unaligned-access 341TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 342 343ifneq (${BP_OPTION},none) 344TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 345endif 346 347ASFLAGS_aarch32 = $(march32-directive) 348ASFLAGS_aarch64 = $(march64-directive) 349 350# General warnings 351WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 352 -Wdisabled-optimization -Wvla -Wshadow \ 353 -Wno-unused-parameter -Wredundant-decls 354 355# Additional warnings 356# Level 1 357WARNING1 := -Wextra 358WARNING1 += -Wmissing-format-attribute 359WARNING1 += -Wmissing-prototypes 360WARNING1 += -Wold-style-definition 361 362# Level 2 363WARNING2 := -Waggregate-return 364WARNING2 += -Wcast-align 365WARNING2 += -Wnested-externs 366 367WARNING3 := -Wbad-function-cast 368WARNING3 += -Wcast-qual 369WARNING3 += -Wconversion 370WARNING3 += -Wpacked 371WARNING3 += -Wpointer-arith 372WARNING3 += -Wswitch-default 373 374ifeq (${W},1) 375WARNINGS += $(WARNING1) 376else ifeq (${W},2) 377WARNINGS += $(WARNING1) $(WARNING2) 378else ifeq (${W},3) 379WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 380endif 381 382# Compiler specific warnings 383ifeq ($(findstring clang,$(notdir $(CC))),) 384# not using clang 385WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 386 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 387 -Wlogical-op 388else 389# using clang 390WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 391 -Wlogical-op-parentheses 392endif 393 394ifneq (${E},0) 395ERRORS := -Werror 396endif 397 398CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 399 $(ERRORS) $(WARNINGS) 400ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 401 -ffreestanding -Wa,--fatal-warnings 402TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 403 -ffunction-sections -fdata-sections \ 404 -ffreestanding -fno-builtin -fno-common \ 405 -Os -std=gnu99 406 407$(eval $(call add_define,SVE_VECTOR_LEN)) 408 409ifeq (${SANITIZE_UB},on) 410TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 411endif 412ifeq (${SANITIZE_UB},trap) 413TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 414 -fsanitize-undefined-trap-on-error 415endif 416 417GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 418 419# LD = armlink 420ifneq ($(findstring armlink,$(notdir $(LD))),) 421TF_LDFLAGS += --diag_error=warning --lto_level=O1 422TF_LDFLAGS += --remove --info=unused,unusedsymbols 423TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 424 425# LD = gcc (used when GCC LTO is enabled) 426else ifneq ($(findstring gcc,$(notdir $(LD))),) 427# Pass ld options with Wl or Xlinker switches 428TF_LDFLAGS += -Wl,--fatal-warnings -O1 429TF_LDFLAGS += -Wl,--gc-sections 430ifeq ($(ENABLE_LTO),1) 431 ifeq (${ARCH},aarch64) 432 TF_LDFLAGS += -flto -fuse-linker-plugin 433 endif 434endif 435# GCC automatically adds fix-cortex-a53-843419 flag when used to link 436# which breaks some builds, so disable if errata fix is not explicitly enabled 437ifneq (${ERRATA_A53_843419},1) 438 TF_LDFLAGS += -mno-fix-cortex-a53-843419 439endif 440TF_LDFLAGS += -nostdlib 441TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 442 443# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 444else 445TF_LDFLAGS += --fatal-warnings -O1 446TF_LDFLAGS += --gc-sections 447# ld.lld doesn't recognize the errata flags, 448# therefore don't add those in that case 449ifeq ($(findstring ld.lld,$(notdir $(LD))),) 450TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 451endif 452endif 453 454DTC_FLAGS += -I dts -O dtb 455DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \ 456 -x assembler-with-cpp $(DEFINES) 457 458################################################################################ 459# Common sources and include directories 460################################################################################ 461include ${MAKE_HELPERS_DIRECTORY}arch_features.mk 462include lib/compiler-rt/compiler-rt.mk 463 464BL_COMMON_SOURCES += common/bl_common.c \ 465 common/tf_log.c \ 466 common/${ARCH}/debug.S \ 467 drivers/console/multi_console.c \ 468 lib/${ARCH}/cache_helpers.S \ 469 lib/${ARCH}/misc_helpers.S \ 470 plat/common/plat_bl_common.c \ 471 plat/common/plat_log_common.c \ 472 plat/common/${ARCH}/plat_common.c \ 473 plat/common/${ARCH}/platform_helpers.S \ 474 ${COMPILER_RT_SRCS} 475 476ifeq ($(notdir $(CC)),armclang) 477BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 478endif 479 480ifeq (${SANITIZE_UB},on) 481BL_COMMON_SOURCES += plat/common/ubsan.c 482endif 483 484INCLUDES += -Iinclude \ 485 -Iinclude/arch/${ARCH} \ 486 -Iinclude/lib/cpus/${ARCH} \ 487 -Iinclude/lib/el3_runtime/${ARCH} \ 488 ${PLAT_INCLUDES} \ 489 ${SPD_INCLUDES} 490 491include common/backtrace/backtrace.mk 492 493################################################################################ 494# Generic definitions 495################################################################################ 496 497include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 498 499ifeq (${BUILD_BASE},) 500 BUILD_BASE := ./build 501endif 502BUILD_PLAT := $(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE} 503 504SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 505 506# Platforms providing their own TBB makefile may override this value 507INCLUDE_TBBR_MK := 1 508 509 510################################################################################ 511# Include SPD Makefile if one has been specified 512################################################################################ 513 514ifneq (${SPD},none) 515 ifeq (${ARCH},aarch32) 516 $(error "Error: SPD is incompatible with AArch32.") 517 endif 518 519 ifdef EL3_PAYLOAD_BASE 520 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 521 $(warning "The SPD and its BL32 companion will be present but ignored.") 522 endif 523 524 ifeq (${SPD},spmd) 525 # SPMD is located in std_svc directory 526 SPD_DIR := std_svc 527 528 ifeq ($(SPMD_SPM_AT_SEL2),1) 529 ifeq ($(CTX_INCLUDE_EL2_REGS),0) 530 $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option) 531 endif 532 ifeq ($(SPMC_AT_EL3),1) 533 $(error SPM cannot be enabled in both S-EL2 and EL3.) 534 endif 535 endif 536 537 ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp) 538 DTC_CPPFLAGS += -DOPTEE_SP_FW_CONFIG 539 endif 540 541 ifeq ($(TS_SP_FW_CONFIG),1) 542 DTC_CPPFLAGS += -DTS_SP_FW_CONFIG 543 endif 544 545 ifneq ($(ARM_BL2_SP_LIST_DTS),) 546 DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS) 547 endif 548 549 ifneq ($(SP_LAYOUT_FILE),) 550 BL2_ENABLE_SP_LOAD := 1 551 endif 552 else 553 # All other SPDs in spd directory 554 SPD_DIR := spd 555 endif 556 557 # We expect to locate an spd.mk under the specified SPD directory 558 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 559 560 ifeq (${SPD_MAKE},) 561 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 562 endif 563 $(info Including ${SPD_MAKE}) 564 include ${SPD_MAKE} 565 566 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 567 # Makefile would set NEED_BL32 to "yes". In this case, the build system 568 # supports two mutually exclusive options: 569 # * BL32 is built from source: then BL32_SOURCES must contain the list 570 # of source files to build BL32 571 # * BL32 is a prebuilt binary: then BL32 must point to the image file 572 # that will be included in the FIP 573 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 574 # over the sources. 575endif 576 577################################################################################ 578# Include rmmd Makefile if RME is enabled 579################################################################################ 580 581ifneq (${ENABLE_RME},0) 582ifneq (${ARCH},aarch64) 583 $(error ENABLE_RME requires AArch64) 584endif 585ifeq ($(SPMC_AT_EL3),1) 586 $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.) 587endif 588include services/std_svc/rmmd/rmmd.mk 589$(warning "RME is an experimental feature") 590endif 591 592################################################################################ 593# Include the platform specific Makefile after the SPD Makefile (the platform 594# makefile may use all previous definitions in this file) 595################################################################################ 596 597include ${PLAT_MAKEFILE_FULL} 598 599$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 600 601ifeq (${ARM_ARCH_MAJOR},7) 602include make_helpers/armv7-a-cpus.mk 603endif 604 605PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 606ifneq ($(PIE_FOUND),) 607 TF_CFLAGS += -fno-PIE 608ifneq ($(findstring gcc,$(notdir $(LD))),) 609 TF_LDFLAGS += -no-pie 610endif 611endif 612 613ifneq ($(findstring gcc,$(notdir $(LD))),) 614 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 615else 616 PIE_LDFLAGS += -pie --no-dynamic-linker 617endif 618 619ifeq ($(ENABLE_PIE),1) 620ifeq ($(BL2_AT_EL3),1) 621ifneq ($(BL2_IN_XIP_MEM),1) 622 BL2_CFLAGS += -fpie 623 BL2_LDFLAGS += $(PIE_LDFLAGS) 624endif 625endif 626 BL31_CFLAGS += -fpie 627 BL31_LDFLAGS += $(PIE_LDFLAGS) 628 BL32_CFLAGS += -fpie 629 BL32_LDFLAGS += $(PIE_LDFLAGS) 630endif 631 632ifeq (${ARCH},aarch64) 633BL1_CPPFLAGS += -DIMAGE_AT_EL3 634ifeq ($(BL2_AT_EL3),1) 635BL2_CPPFLAGS += -DIMAGE_AT_EL3 636else 637BL2_CPPFLAGS += -DIMAGE_AT_EL1 638endif 639BL2U_CPPFLAGS += -DIMAGE_AT_EL1 640BL31_CPPFLAGS += -DIMAGE_AT_EL3 641BL32_CPPFLAGS += -DIMAGE_AT_EL1 642endif 643 644# Include the CPU specific operations makefile, which provides default 645# values for all CPU errata workarounds and CPU specific optimisations. 646# This can be overridden by the platform. 647include lib/cpus/cpu-ops.mk 648 649ifeq (${ARCH},aarch32) 650NEED_BL32 := yes 651 652################################################################################ 653# Build `AARCH32_SP` as BL32 image for AArch32 654################################################################################ 655ifneq (${AARCH32_SP},none) 656# We expect to locate an sp.mk under the specified AARCH32_SP directory 657AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 658 659ifeq (${AARCH32_SP_MAKE},) 660 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 661endif 662 663$(info Including ${AARCH32_SP_MAKE}) 664include ${AARCH32_SP_MAKE} 665endif 666 667endif 668 669################################################################################ 670# Include libc if not overridden 671################################################################################ 672ifeq (${OVERRIDE_LIBC},0) 673include lib/libc/libc.mk 674endif 675 676################################################################################ 677# Check incompatible options 678################################################################################ 679 680ifdef EL3_PAYLOAD_BASE 681 ifdef PRELOADED_BL33_BASE 682 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 683 incompatible build options. EL3_PAYLOAD_BASE has priority.") 684 endif 685 ifneq (${GENERATE_COT},0) 686 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 687 endif 688 ifneq (${TRUSTED_BOARD_BOOT},0) 689 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 690 endif 691endif 692 693ifeq (${NEED_BL33},yes) 694 ifdef EL3_PAYLOAD_BASE 695 $(warning "BL33 image is not needed when option \ 696 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 697 endif 698 ifdef PRELOADED_BL33_BASE 699 $(warning "BL33 image is not needed when option \ 700 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 701 file.") 702 endif 703endif 704 705# When building for systems with hardware-assisted coherency, there's no need to 706# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 707ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 708$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 709endif 710 711#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 712ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 713$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 714endif 715 716# For RAS_EXTENSION, require that EAs are handled in EL3 first 717ifeq ($(RAS_EXTENSION),1) 718 ifneq ($(HANDLE_EA_EL3_FIRST_NS),1) 719 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST_NS must also be 1) 720 endif 721endif 722 723# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 724ifeq ($(FAULT_INJECTION_SUPPORT),1) 725 ifneq ($(RAS_EXTENSION),1) 726 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 727 endif 728endif 729 730# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 731ifeq ($(DYN_DISABLE_AUTH), 1) 732 ifeq (${TRUSTED_BOARD_BOOT}, 0) 733 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 734 endif 735endif 736 737ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1) 738# Support authentication verification and hash calculation 739 CRYPTO_SUPPORT := 3 740else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1) 741# Support authentication verification and hash calculation 742 CRYPTO_SUPPORT := 3 743else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),) 744# Support hash calculation only 745 CRYPTO_SUPPORT := 2 746else ifeq (${TRUSTED_BOARD_BOOT},1) 747# Support authentication verification only 748 CRYPTO_SUPPORT := 1 749else 750 CRYPTO_SUPPORT := 0 751endif 752 753# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 754ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 755$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled") 756endif 757 758# If pointer authentication is used in the firmware, make sure that all the 759# registers associated to it are also saved and restored. 760# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 761ifeq ($(ENABLE_PAUTH),1) 762 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 763 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 764 endif 765endif 766 767ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 768 ifneq (${ARCH},aarch64) 769 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 770 endif 771endif 772 773ifeq ($(CTX_INCLUDE_MTE_REGS),1) 774 ifneq (${ARCH},aarch64) 775 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 776 endif 777endif 778 779ifeq ($(PSA_FWU_SUPPORT),1) 780 $(info PSA_FWU_SUPPORT is an experimental feature) 781endif 782 783ifeq ($(FEATURE_DETECTION),1) 784 $(info FEATURE_DETECTION is an experimental feature) 785endif 786 787ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 788 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 789 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 790 endif 791endif 792 793ifneq (${DECRYPTION_SUPPORT},none) 794 ifeq (${TRUSTED_BOARD_BOOT}, 0) 795 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 796 endif 797endif 798 799# Ensure that no Aarch64-only features are enabled in Aarch32 build 800ifeq (${ARCH},aarch32) 801 802 # SME/SVE only supported on AArch64 803 ifeq (${ENABLE_SME_FOR_NS},1) 804 $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32") 805 endif 806 ifeq (${ENABLE_SVE_FOR_NS},1) 807 # Warning instead of error due to CI dependency on this 808 $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32") 809 endif 810 811 # BRBE is not supported in AArch32 812 ifeq (${ENABLE_BRBE_FOR_NS},1) 813 $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32") 814 endif 815 816 # FEAT_RNG_TRAP is not supported in AArch32 817 ifeq (${ENABLE_FEAT_RNG_TRAP},1) 818 $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32") 819 endif 820endif 821 822# Ensure ENABLE_RME is not used with SME 823ifeq (${ENABLE_RME},1) 824 ifeq (${ENABLE_SME_FOR_NS},1) 825 $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME") 826 endif 827endif 828 829# Secure SME/SVE requires the non-secure component as well 830ifeq (${ENABLE_SME_FOR_SWD},1) 831 ifeq (${ENABLE_SME_FOR_NS},0) 832 $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS") 833 endif 834endif 835ifeq (${ENABLE_SVE_FOR_SWD},1) 836 ifeq (${ENABLE_SVE_FOR_NS},0) 837 $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS") 838 endif 839endif 840 841# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does 842# its own context management including FPU registers. 843ifeq (${CTX_INCLUDE_FPREGS},1) 844 ifeq (${ENABLE_SME_FOR_NS},1) 845 $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 846 endif 847 ifeq (${ENABLE_SVE_FOR_NS},1) 848 # Warning instead of error due to CI dependency on this 849 $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 850 $(warning "Forced ENABLE_SVE_FOR_NS=0") 851 override ENABLE_SVE_FOR_NS := 0 852 endif 853endif 854 855ifeq ($(DRTM_SUPPORT),1) 856 $(info DRTM_SUPPORT is an experimental feature) 857endif 858 859ifeq (${ENABLE_RME},1) 860 ifneq (${SEPARATE_CODE_AND_RODATA},1) 861 $(error `ENABLE_RME=1` requires `SEPARATE_CODE_AND_RODATA=1`) 862 endif 863endif 864 865################################################################################ 866# Process platform overrideable behaviour 867################################################################################ 868 869ifdef BL1_SOURCES 870NEED_BL1 := yes 871endif 872 873ifdef BL2_SOURCES 874 NEED_BL2 := yes 875 876 # Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 877 # Certificate generation tools. This flag can be overridden by the platform. 878 ifdef EL3_PAYLOAD_BASE 879 # If booting an EL3 payload there is no need for a BL33 image 880 # in the FIP file. 881 NEED_BL33 := no 882 else 883 ifdef PRELOADED_BL33_BASE 884 # If booting a BL33 preloaded image there is no need of 885 # another one in the FIP file. 886 NEED_BL33 := no 887 else 888 NEED_BL33 ?= yes 889 endif 890 endif 891endif 892 893ifdef BL2U_SOURCES 894NEED_BL2U := yes 895endif 896 897# If SCP_BL2 is given, we always want FIP to include it. 898ifdef SCP_BL2 899 NEED_SCP_BL2 := yes 900endif 901 902# For AArch32, BL31 is not currently supported. 903ifneq (${ARCH},aarch32) 904 ifdef BL31_SOURCES 905 # When booting an EL3 payload, there is no need to compile the BL31 image nor 906 # put it in the FIP. 907 ifndef EL3_PAYLOAD_BASE 908 NEED_BL31 := yes 909 endif 910 endif 911endif 912 913# Process TBB related flags 914ifneq (${GENERATE_COT},0) 915 # Common cert_create options 916 ifneq (${CREATE_KEYS},0) 917 $(eval CRT_ARGS += -n) 918 $(eval FWU_CRT_ARGS += -n) 919 ifneq (${SAVE_KEYS},0) 920 $(eval CRT_ARGS += -k) 921 $(eval FWU_CRT_ARGS += -k) 922 endif 923 endif 924 # Include TBBR makefile (unless the platform indicates otherwise) 925 ifeq (${INCLUDE_TBBR_MK},1) 926 include make_helpers/tbbr/tbbr_tools.mk 927 endif 928endif 929 930ifneq (${FIP_ALIGN},0) 931FIP_ARGS += --align ${FIP_ALIGN} 932endif 933 934ifdef FDT_SOURCES 935NEED_FDT := yes 936endif 937 938################################################################################ 939# Include libraries' Makefile that are used in all BL 940################################################################################ 941 942include lib/stack_protector/stack_protector.mk 943 944################################################################################ 945# Auxiliary tools (fiptool, cert_create, etc) 946################################################################################ 947 948# Variables for use with Certificate Generation Tool 949CRTTOOLPATH ?= tools/cert_create 950CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 951 952# Variables for use with Firmware Encryption Tool 953ENCTOOLPATH ?= tools/encrypt_fw 954ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 955 956# Variables for use with Firmware Image Package 957FIPTOOLPATH ?= tools/fiptool 958FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 959 960# Variables for use with sptool 961SPTOOLPATH ?= tools/sptool 962SPTOOL ?= ${SPTOOLPATH}/sptool.py 963SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 964 965# Variables for use with ROMLIB 966ROMLIBPATH ?= lib/romlib 967 968# Variable for use with Python 969PYTHON ?= python3 970 971# Variables for use with PRINT_MEMORY_MAP 972PRINT_MEMORY_MAP_PATH ?= tools/memory 973PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 974 975# Variables for use with documentation build using Sphinx tool 976DOCS_PATH ?= docs 977 978# Defination of SIMICS flag 979SIMICS_BUILD ?= 0 980 981################################################################################ 982# Include BL specific makefiles 983################################################################################ 984 985ifeq (${NEED_BL1},yes) 986include bl1/bl1.mk 987endif 988 989ifeq (${NEED_BL2},yes) 990include bl2/bl2.mk 991endif 992 993ifeq (${NEED_BL2U},yes) 994include bl2u/bl2u.mk 995endif 996 997ifeq (${NEED_BL31},yes) 998include bl31/bl31.mk 999endif 1000 1001################################################################################ 1002# Build options checks 1003################################################################################ 1004 1005$(eval $(call assert_booleans,\ 1006 $(sort \ 1007 ALLOW_RO_XLAT_TABLES \ 1008 BL2_ENABLE_SP_LOAD \ 1009 COLD_BOOT_SINGLE_CPU \ 1010 CREATE_KEYS \ 1011 CTX_INCLUDE_AARCH32_REGS \ 1012 CTX_INCLUDE_FPREGS \ 1013 CTX_INCLUDE_EL2_REGS \ 1014 DEBUG \ 1015 DISABLE_MTPMU \ 1016 DYN_DISABLE_AUTH \ 1017 EL3_EXCEPTION_HANDLING \ 1018 ENABLE_AMU \ 1019 ENABLE_AMU_AUXILIARY_COUNTERS \ 1020 ENABLE_AMU_FCONF \ 1021 AMU_RESTRICT_COUNTERS \ 1022 ENABLE_ASSERTIONS \ 1023 ENABLE_PIE \ 1024 ENABLE_PMF \ 1025 ENABLE_PSCI_STAT \ 1026 ENABLE_RUNTIME_INSTRUMENTATION \ 1027 ENABLE_SME_FOR_NS \ 1028 ENABLE_SME_FOR_SWD \ 1029 ENABLE_SPE_FOR_LOWER_ELS \ 1030 ENABLE_SVE_FOR_NS \ 1031 ENABLE_SVE_FOR_SWD \ 1032 ERROR_DEPRECATED \ 1033 FAULT_INJECTION_SUPPORT \ 1034 GENERATE_COT \ 1035 GICV2_G0_FOR_EL3 \ 1036 HANDLE_EA_EL3_FIRST_NS \ 1037 HW_ASSISTED_COHERENCY \ 1038 INVERTED_MEMMAP \ 1039 MEASURED_BOOT \ 1040 DRTM_SUPPORT \ 1041 NS_TIMER_SWITCH \ 1042 OVERRIDE_LIBC \ 1043 PL011_GENERIC_UART \ 1044 PLAT_RSS_NOT_SUPPORTED \ 1045 PROGRAMMABLE_RESET_ADDRESS \ 1046 PSCI_EXTENDED_STATE_ID \ 1047 RESET_TO_BL31 \ 1048 RESET_TO_BL31_WITH_PARAMS \ 1049 SAVE_KEYS \ 1050 SEPARATE_CODE_AND_RODATA \ 1051 SEPARATE_BL2_NOLOAD_REGION \ 1052 SEPARATE_NOBITS_REGION \ 1053 SPIN_ON_BL1_EXIT \ 1054 SPM_MM \ 1055 SPMC_AT_EL3 \ 1056 SPMD_SPM_AT_SEL2 \ 1057 TRUSTED_BOARD_BOOT \ 1058 USE_COHERENT_MEM \ 1059 USE_DEBUGFS \ 1060 ARM_IO_IN_DTB \ 1061 SDEI_IN_FCONF \ 1062 SEC_INT_DESC_IN_FCONF \ 1063 USE_ROMLIB \ 1064 USE_TBBR_DEFS \ 1065 WARMBOOT_ENABLE_DCACHE_EARLY \ 1066 BL2_AT_EL3 \ 1067 BL2_IN_XIP_MEM \ 1068 BL2_INV_DCACHE \ 1069 USE_SPINLOCK_CAS \ 1070 ENCRYPT_BL31 \ 1071 ENCRYPT_BL32 \ 1072 ERRATA_SPECULATIVE_AT \ 1073 RAS_TRAP_NS_ERR_REC_ACCESS \ 1074 COT_DESC_IN_DTB \ 1075 USE_SP804_TIMER \ 1076 PSA_FWU_SUPPORT \ 1077 ENABLE_SYS_REG_TRACE_FOR_NS \ 1078 ENABLE_MPMM \ 1079 ENABLE_MPMM_FCONF \ 1080 SIMICS_BUILD \ 1081 FEATURE_DETECTION \ 1082 TRNG_SUPPORT \ 1083 CONDITIONAL_CMO \ 1084))) 1085 1086$(eval $(call assert_numerics,\ 1087 $(sort \ 1088 ARM_ARCH_MAJOR \ 1089 ARM_ARCH_MINOR \ 1090 BRANCH_PROTECTION \ 1091 CTX_INCLUDE_PAUTH_REGS \ 1092 CTX_INCLUDE_MTE_REGS \ 1093 CTX_INCLUDE_NEVE_REGS \ 1094 CRYPTO_SUPPORT \ 1095 ENABLE_BRBE_FOR_NS \ 1096 ENABLE_TRBE_FOR_NS \ 1097 ENABLE_BTI \ 1098 ENABLE_PAUTH \ 1099 ENABLE_FEAT_AMUv1 \ 1100 ENABLE_FEAT_AMUv1p1 \ 1101 ENABLE_FEAT_CSV2_2 \ 1102 ENABLE_FEAT_DIT \ 1103 ENABLE_FEAT_ECV \ 1104 ENABLE_FEAT_FGT \ 1105 ENABLE_FEAT_HCX \ 1106 ENABLE_FEAT_PAN \ 1107 ENABLE_FEAT_RNG \ 1108 ENABLE_FEAT_RNG_TRAP \ 1109 ENABLE_FEAT_SB \ 1110 ENABLE_FEAT_SEL2 \ 1111 ENABLE_FEAT_VHE \ 1112 ENABLE_MPAM_FOR_LOWER_ELS \ 1113 ENABLE_RME \ 1114 ENABLE_TRF_FOR_NS \ 1115 FW_ENC_STATUS \ 1116 NR_OF_FW_BANKS \ 1117 NR_OF_IMAGES_IN_FW_BANK \ 1118 RAS_EXTENSION \ 1119 TWED_DELAY \ 1120 ENABLE_FEAT_TWED \ 1121 SVE_VECTOR_LEN \ 1122))) 1123 1124ifdef KEY_SIZE 1125 $(eval $(call assert_numeric,KEY_SIZE)) 1126endif 1127 1128ifeq ($(filter $(SANITIZE_UB), on off trap),) 1129 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 1130endif 1131 1132################################################################################ 1133# Add definitions to the cpp preprocessor based on the current build options. 1134# This is done after including the platform specific makefile to allow the 1135# platform to overwrite the default options 1136################################################################################ 1137 1138$(eval $(call add_defines,\ 1139 $(sort \ 1140 ALLOW_RO_XLAT_TABLES \ 1141 ARM_ARCH_MAJOR \ 1142 ARM_ARCH_MINOR \ 1143 BL2_ENABLE_SP_LOAD \ 1144 COLD_BOOT_SINGLE_CPU \ 1145 CTX_INCLUDE_AARCH32_REGS \ 1146 CTX_INCLUDE_FPREGS \ 1147 CTX_INCLUDE_PAUTH_REGS \ 1148 EL3_EXCEPTION_HANDLING \ 1149 CTX_INCLUDE_MTE_REGS \ 1150 CTX_INCLUDE_EL2_REGS \ 1151 CTX_INCLUDE_NEVE_REGS \ 1152 DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \ 1153 DISABLE_MTPMU \ 1154 ENABLE_AMU \ 1155 ENABLE_AMU_AUXILIARY_COUNTERS \ 1156 ENABLE_AMU_FCONF \ 1157 AMU_RESTRICT_COUNTERS \ 1158 ENABLE_ASSERTIONS \ 1159 ENABLE_BTI \ 1160 ENABLE_MPAM_FOR_LOWER_ELS \ 1161 ENABLE_PAUTH \ 1162 ENABLE_PIE \ 1163 ENABLE_PMF \ 1164 ENABLE_PSCI_STAT \ 1165 ENABLE_RME \ 1166 ENABLE_RUNTIME_INSTRUMENTATION \ 1167 ENABLE_SME_FOR_NS \ 1168 ENABLE_SME_FOR_SWD \ 1169 ENABLE_SPE_FOR_LOWER_ELS \ 1170 ENABLE_SVE_FOR_NS \ 1171 ENABLE_SVE_FOR_SWD \ 1172 ENCRYPT_BL31 \ 1173 ENCRYPT_BL32 \ 1174 ERROR_DEPRECATED \ 1175 FAULT_INJECTION_SUPPORT \ 1176 GICV2_G0_FOR_EL3 \ 1177 HANDLE_EA_EL3_FIRST_NS \ 1178 HW_ASSISTED_COHERENCY \ 1179 LOG_LEVEL \ 1180 MEASURED_BOOT \ 1181 DRTM_SUPPORT \ 1182 NS_TIMER_SWITCH \ 1183 PL011_GENERIC_UART \ 1184 PLAT_${PLAT} \ 1185 PLAT_RSS_NOT_SUPPORTED \ 1186 PROGRAMMABLE_RESET_ADDRESS \ 1187 PSCI_EXTENDED_STATE_ID \ 1188 RAS_EXTENSION \ 1189 RESET_TO_BL31 \ 1190 RESET_TO_BL31_WITH_PARAMS \ 1191 SEPARATE_CODE_AND_RODATA \ 1192 SEPARATE_BL2_NOLOAD_REGION \ 1193 SEPARATE_NOBITS_REGION \ 1194 RECLAIM_INIT_CODE \ 1195 SPD_${SPD} \ 1196 SPIN_ON_BL1_EXIT \ 1197 SPM_MM \ 1198 SPMC_AT_EL3 \ 1199 SPMD_SPM_AT_SEL2 \ 1200 TRUSTED_BOARD_BOOT \ 1201 CRYPTO_SUPPORT \ 1202 TRNG_SUPPORT \ 1203 USE_COHERENT_MEM \ 1204 USE_DEBUGFS \ 1205 ARM_IO_IN_DTB \ 1206 SDEI_IN_FCONF \ 1207 SEC_INT_DESC_IN_FCONF \ 1208 USE_ROMLIB \ 1209 USE_TBBR_DEFS \ 1210 WARMBOOT_ENABLE_DCACHE_EARLY \ 1211 BL2_AT_EL3 \ 1212 BL2_IN_XIP_MEM \ 1213 BL2_INV_DCACHE \ 1214 USE_SPINLOCK_CAS \ 1215 ERRATA_SPECULATIVE_AT \ 1216 RAS_TRAP_NS_ERR_REC_ACCESS \ 1217 COT_DESC_IN_DTB \ 1218 USE_SP804_TIMER \ 1219 ENABLE_FEAT_RNG \ 1220 ENABLE_FEAT_RNG_TRAP \ 1221 ENABLE_FEAT_SB \ 1222 ENABLE_FEAT_DIT \ 1223 NR_OF_FW_BANKS \ 1224 NR_OF_IMAGES_IN_FW_BANK \ 1225 PSA_FWU_SUPPORT \ 1226 ENABLE_BRBE_FOR_NS \ 1227 ENABLE_TRBE_FOR_NS \ 1228 ENABLE_SYS_REG_TRACE_FOR_NS \ 1229 ENABLE_TRF_FOR_NS \ 1230 ENABLE_FEAT_HCX \ 1231 ENABLE_MPMM \ 1232 ENABLE_MPMM_FCONF \ 1233 ENABLE_FEAT_FGT \ 1234 ENABLE_FEAT_AMUv1 \ 1235 ENABLE_FEAT_ECV \ 1236 SIMICS_BUILD \ 1237 ENABLE_FEAT_AMUv1p1 \ 1238 ENABLE_FEAT_SEL2 \ 1239 ENABLE_FEAT_VHE \ 1240 ENABLE_FEAT_CSV2_2 \ 1241 ENABLE_FEAT_PAN \ 1242 FEATURE_DETECTION \ 1243 TWED_DELAY \ 1244 ENABLE_FEAT_TWED \ 1245 CONDITIONAL_CMO \ 1246))) 1247 1248ifeq (${SANITIZE_UB},trap) 1249 $(eval $(call add_define,MONITOR_TRAPS)) 1250endif 1251 1252# Define the EL3_PAYLOAD_BASE flag only if it is provided. 1253ifdef EL3_PAYLOAD_BASE 1254 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 1255else 1256 # Define the PRELOADED_BL33_BASE flag only if it is provided and 1257 # EL3_PAYLOAD_BASE is not defined, as it has priority. 1258 ifdef PRELOADED_BL33_BASE 1259 $(eval $(call add_define,PRELOADED_BL33_BASE)) 1260 endif 1261endif 1262 1263# Define the DYN_DISABLE_AUTH flag only if set. 1264ifeq (${DYN_DISABLE_AUTH},1) 1265$(eval $(call add_define,DYN_DISABLE_AUTH)) 1266endif 1267 1268ifneq ($(findstring armlink,$(notdir $(LD))),) 1269$(eval $(call add_define,USE_ARM_LINK)) 1270endif 1271 1272# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1273ifeq (${SPD},spmd) 1274ifdef SP_LAYOUT_FILE 1275 -include $(BUILD_PLAT)/sp_gen.mk 1276 FIP_DEPS += sp 1277 CRT_DEPS += sp 1278 NEED_SP_PKG := yes 1279else 1280 ifeq (${SPMD_SPM_AT_SEL2},1) 1281 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1282 endif 1283endif 1284endif 1285 1286################################################################################ 1287# Build targets 1288################################################################################ 1289 1290.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1291.SUFFIXES: 1292 1293all: msg_start 1294 1295msg_start: 1296 @echo "Building ${PLAT}" 1297 1298ifeq (${ERROR_DEPRECATED},0) 1299# Check if deprecated declarations and cpp warnings should be treated as error or not. 1300ifneq ($(findstring clang,$(notdir $(CC))),) 1301 CPPFLAGS += -Wno-error=deprecated-declarations 1302else 1303 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1304endif 1305endif # !ERROR_DEPRECATED 1306 1307$(eval $(call MAKE_LIB_DIRS)) 1308$(eval $(call MAKE_LIB,c)) 1309 1310# Expand build macros for the different images 1311ifeq (${NEED_BL1},yes) 1312BL1_SOURCES := $(sort ${BL1_SOURCES}) 1313 1314$(eval $(call MAKE_BL,bl1)) 1315endif 1316 1317ifeq (${NEED_BL2},yes) 1318ifeq (${BL2_AT_EL3}, 0) 1319FIP_BL2_ARGS := tb-fw 1320endif 1321 1322BL2_SOURCES := $(sort ${BL2_SOURCES}) 1323 1324$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1325 $(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS}))) 1326endif 1327 1328ifeq (${NEED_SCP_BL2},yes) 1329$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1330endif 1331 1332ifeq (${NEED_BL31},yes) 1333BL31_SOURCES += ${SPD_SOURCES} 1334# Sort BL31 source files to remove duplicates 1335BL31_SOURCES := $(sort ${BL31_SOURCES}) 1336ifneq (${DECRYPTION_SUPPORT},none) 1337$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1338 $(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31)))) 1339else 1340$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1341 $(eval $(call MAKE_BL,bl31,soc-fw))) 1342endif 1343endif 1344 1345# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1346# build system will call TOOL_ADD_IMG to print a warning message and abort the 1347# process. Note that the dependency on BL32 applies to the FIP only. 1348ifeq (${NEED_BL32},yes) 1349# Sort BL32 source files to remove duplicates 1350BL32_SOURCES := $(sort ${BL32_SOURCES}) 1351BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1352 1353ifneq (${DECRYPTION_SUPPORT},none) 1354$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\ 1355 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1356else 1357$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\ 1358 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1359endif 1360endif 1361 1362# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP) 1363# needs to be built from RMM_SOURCES. 1364ifeq (${NEED_RMM},yes) 1365# Sort RMM source files to remove duplicates 1366RMM_SOURCES := $(sort ${RMM_SOURCES}) 1367BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1)) 1368 1369$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\ 1370 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw))) 1371endif 1372 1373# Add the BL33 image if required by the platform 1374ifeq (${NEED_BL33},yes) 1375$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1376endif 1377 1378ifeq (${NEED_BL2U},yes) 1379$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1380 $(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_))) 1381endif 1382 1383# Expand build macros for the different images 1384ifeq (${NEED_FDT},yes) 1385 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1386endif 1387 1388# Add Secure Partition packages 1389ifeq (${NEED_SP_PKG},yes) 1390$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1391 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} 1392sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS) 1393 @${ECHO_BLANK_LINE} 1394 @echo "Built SP Images successfully" 1395 @${ECHO_BLANK_LINE} 1396endif 1397 1398locate-checkpatch: 1399ifndef CHECKPATCH 1400 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1401else 1402ifeq (,$(wildcard ${CHECKPATCH})) 1403 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1404endif 1405endif 1406 1407clean: 1408 @echo " CLEAN" 1409 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1410ifdef UNIX_MK 1411 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1412else 1413# Clear the MAKEFLAGS as we do not want 1414# to pass the gnumake flags to nmake. 1415 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean 1416endif 1417 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1418 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1419 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1420 1421realclean distclean: 1422 @echo " REALCLEAN" 1423 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1424 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1425ifdef UNIX_MK 1426 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1427else 1428# Clear the MAKEFLAGS as we do not want 1429# to pass the gnumake flags to nmake. 1430 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean 1431endif 1432 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean 1433 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1434 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1435 1436checkcodebase: locate-checkpatch 1437 @echo " CHECKING STYLE" 1438 @if test -d .git ; then \ 1439 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1440 while read GIT_FILE ; \ 1441 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1442 done ; \ 1443 else \ 1444 find . -type f -not -iwholename "*.git*" \ 1445 -not -iwholename "*build*" \ 1446 -not -iwholename "*libfdt*" \ 1447 -not -iwholename "*libc*" \ 1448 -not -iwholename "*docs*" \ 1449 -not -iwholename "*.rst" \ 1450 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1451 fi 1452 1453checkpatch: locate-checkpatch 1454 @echo " CHECKING STYLE" 1455 @if test -n "${CHECKPATCH_OPTS}"; then \ 1456 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1457 fi 1458 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1459 for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`; \ 1460 do \ 1461 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1462 git log --format=email "$$commit~..$$commit" \ 1463 -- ${CHECK_PATHS} | \ 1464 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1465 git diff --format=email "$$commit~..$$commit" \ 1466 -- ${CHECK_PATHS} | \ 1467 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1468 done 1469 1470certtool: ${CRTTOOL} 1471 1472${CRTTOOL}: FORCE 1473 ${Q}${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 ${CRTTOOLPATH} all 1474 @${ECHO_BLANK_LINE} 1475 @echo "Built $@ successfully" 1476 @${ECHO_BLANK_LINE} 1477 1478ifneq (${GENERATE_COT},0) 1479certificates: ${CRT_DEPS} ${CRTTOOL} 1480 ${Q}${CRTTOOL} ${CRT_ARGS} 1481 @${ECHO_BLANK_LINE} 1482 @echo "Built $@ successfully" 1483 @echo "Certificates can be found in ${BUILD_PLAT}" 1484 @${ECHO_BLANK_LINE} 1485endif 1486 1487${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1488 $(eval ${CHECK_FIP_CMD}) 1489 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1490 ${Q}${FIPTOOL} info $@ 1491 @${ECHO_BLANK_LINE} 1492 @echo "Built $@ successfully" 1493 @${ECHO_BLANK_LINE} 1494 1495ifneq (${GENERATE_COT},0) 1496fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1497 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1498 @${ECHO_BLANK_LINE} 1499 @echo "Built $@ successfully" 1500 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1501 @${ECHO_BLANK_LINE} 1502endif 1503 1504${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1505 $(eval ${CHECK_FWU_FIP_CMD}) 1506 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1507 ${Q}${FIPTOOL} info $@ 1508 @${ECHO_BLANK_LINE} 1509 @echo "Built $@ successfully" 1510 @${ECHO_BLANK_LINE} 1511 1512fiptool: ${FIPTOOL} 1513fip: ${BUILD_PLAT}/${FIP_NAME} 1514fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1515 1516${FIPTOOL}: FORCE 1517ifdef UNIX_MK 1518 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${FIPTOOLPATH} all 1519else 1520# Clear the MAKEFLAGS as we do not want 1521# to pass the gnumake flags to nmake. 1522 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) 1523endif 1524 1525romlib.bin: libraries FORCE 1526 ${Q}${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 1527 1528# Call print_memory_map tool 1529memmap: all 1530 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1531 1532doc: 1533 @echo " BUILD DOCUMENTATION" 1534 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1535 1536enctool: ${ENCTOOL} 1537 1538${ENCTOOL}: FORCE 1539 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} DEBUG=${DEBUG} V=${V} --no-print-directory -C ${ENCTOOLPATH} all 1540 @${ECHO_BLANK_LINE} 1541 @echo "Built $@ successfully" 1542 @${ECHO_BLANK_LINE} 1543 1544cscope: 1545 @echo " CSCOPE" 1546 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1547 ${Q}cscope -b -q -k 1548 1549help: 1550 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1551 @echo "" 1552 @echo "PLAT is used to specify which platform you wish to build." 1553 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1554 @echo "" 1555 @echo "platform = ${PLATFORM_LIST}" 1556 @echo "" 1557 @echo "Please refer to the User Guide for a list of all supported options." 1558 @echo "Note that the build system doesn't track dependencies for build " 1559 @echo "options. Therefore, if any of the build options are changed " 1560 @echo "from a previous build, a clean build must be performed." 1561 @echo "" 1562 @echo "Supported Targets:" 1563 @echo " all Build all individual bootloader binaries" 1564 @echo " bl1 Build the BL1 binary" 1565 @echo " bl2 Build the BL2 binary" 1566 @echo " bl2u Build the BL2U binary" 1567 @echo " bl31 Build the BL31 binary" 1568 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1569 @echo " this builds secure payload specified by AARCH32_SP" 1570 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1571 @echo " fip Build the Firmware Image Package (FIP)" 1572 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1573 @echo " checkcodebase Check the coding style of the entire source tree" 1574 @echo " checkpatch Check the coding style on changes in the current" 1575 @echo " branch against BASE_COMMIT (default origin/master)" 1576 @echo " clean Clean the build for the selected platform" 1577 @echo " cscope Generate cscope index" 1578 @echo " distclean Remove all build artifacts for all platforms" 1579 @echo " certtool Build the Certificate generation tool" 1580 @echo " enctool Build the Firmware encryption tool" 1581 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1582 @echo " sp Build the Secure Partition Packages" 1583 @echo " sptool Build the Secure Partition Package creation tool" 1584 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1585 @echo " memmap Print the memory map of the built binaries" 1586 @echo " doc Build html based documentation using Sphinx tool" 1587 @echo "" 1588 @echo "Note: most build targets require PLAT to be set to a specific platform." 1589 @echo "" 1590 @echo "example: build all targets for the FVP platform:" 1591 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1592 1593.PHONY: FORCE 1594FORCE:; 1595