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 := 7 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 $(wildcard lib/*))) 63ROOT_DIRS_TO_CHECK := $(sort $(filter-out \ 64 lib \ 65 include \ 66 docs \ 67 %.rst, \ 68 $(wildcard *))) 69CHECK_PATHS := ${ROOT_DIRS_TO_CHECK} \ 70 ${INC_DIRS_TO_CHECK} \ 71 ${INC_LIB_DIRS_TO_CHECK} \ 72 ${LIB_DIRS_TO_CHECK} \ 73 ${INC_DRV_DIRS_TO_CHECK} \ 74 ${INC_ARM_DIRS_TO_CHECK} 75 76 77################################################################################ 78# Process build options 79################################################################################ 80 81# Verbose flag 82ifeq (${V},0) 83 Q:=@ 84 ECHO:=@echo 85 CHECKCODE_ARGS += --no-summary --terse 86else 87 Q:= 88 ECHO:=$(ECHO_QUIET) 89endif 90 91ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),) 92 Q:=@ 93 ECHO:=$(ECHO_QUIET) 94endif 95 96export Q ECHO 97 98# The cert_create tool cannot generate certificates individually, so we use the 99# target 'certificates' to create them all 100ifneq (${GENERATE_COT},0) 101 FIP_DEPS += certificates 102 FWU_FIP_DEPS += fwu_certificates 103endif 104 105# Process BRANCH_PROTECTION value and set 106# Pointer Authentication and Branch Target Identification flags 107ifeq (${BRANCH_PROTECTION},0) 108 # Default value turns off all types of branch protection 109 BP_OPTION := none 110else ifneq (${ARCH},aarch64) 111 $(error BRANCH_PROTECTION requires AArch64) 112else ifeq (${BRANCH_PROTECTION},1) 113 # Enables all types of branch protection features 114 BP_OPTION := standard 115 ENABLE_BTI := 1 116 ENABLE_PAUTH := 1 117else ifeq (${BRANCH_PROTECTION},2) 118 # Return address signing to its standard level 119 BP_OPTION := pac-ret 120 ENABLE_PAUTH := 1 121else ifeq (${BRANCH_PROTECTION},3) 122 # Extend the signing to include leaf functions 123 BP_OPTION := pac-ret+leaf 124 ENABLE_PAUTH := 1 125else ifeq (${BRANCH_PROTECTION},4) 126 # Turn on branch target identification mechanism 127 BP_OPTION := bti 128 ENABLE_BTI := 1 129else 130 $(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION}) 131endif 132 133# FEAT_RME 134ifeq (${ENABLE_RME},1) 135# RME doesn't support PIE 136ifneq (${ENABLE_PIE},0) 137 $(error ENABLE_RME does not support PIE) 138endif 139# RME doesn't support BRBE 140ifneq (${ENABLE_BRBE_FOR_NS},0) 141 $(error ENABLE_RME does not support BRBE.) 142endif 143# RME requires AARCH64 144ifneq (${ARCH},aarch64) 145 $(error ENABLE_RME requires AArch64) 146endif 147# RME requires el2 context to be saved for now. 148CTX_INCLUDE_EL2_REGS := 1 149CTX_INCLUDE_AARCH32_REGS := 0 150ARM_ARCH_MAJOR := 8 151ARM_ARCH_MINOR := 6 152endif 153 154# USE_SPINLOCK_CAS requires AArch64 build 155ifeq (${USE_SPINLOCK_CAS},1) 156ifneq (${ARCH},aarch64) 157 $(error USE_SPINLOCK_CAS requires AArch64) 158endif 159endif 160 161# USE_DEBUGFS experimental feature recommended only in debug builds 162ifeq (${USE_DEBUGFS},1) 163ifeq (${DEBUG},1) 164 $(warning DEBUGFS experimental feature is enabled.) 165else 166 $(warning DEBUGFS experimental, recommended in DEBUG builds ONLY) 167endif 168endif 169 170ifneq (${DECRYPTION_SUPPORT},none) 171ENC_ARGS += -f ${FW_ENC_STATUS} 172ENC_ARGS += -k ${ENC_KEY} 173ENC_ARGS += -n ${ENC_NONCE} 174FIP_DEPS += enctool 175FWU_FIP_DEPS += enctool 176endif 177 178################################################################################ 179# Toolchain 180################################################################################ 181 182HOSTCC := gcc 183export HOSTCC 184 185CC := ${CROSS_COMPILE}gcc 186CPP := ${CROSS_COMPILE}cpp 187AS := ${CROSS_COMPILE}gcc 188AR := ${CROSS_COMPILE}ar 189LINKER := ${CROSS_COMPILE}ld 190OC := ${CROSS_COMPILE}objcopy 191OD := ${CROSS_COMPILE}objdump 192NM := ${CROSS_COMPILE}nm 193PP := ${CROSS_COMPILE}gcc -E 194DTC := dtc 195 196# Use ${LD}.bfd instead if it exists (as absolute path or together with $PATH). 197ifneq ($(strip $(wildcard ${LD}.bfd) \ 198 $(foreach dir,$(subst :, ,${PATH}),$(wildcard ${dir}/${LINKER}.bfd))),) 199LINKER := ${LINKER}.bfd 200endif 201 202ifeq (${ARM_ARCH_MAJOR},7) 203target32-directive = -target arm-none-eabi 204# Will set march32-directive from platform configuration 205else 206target32-directive = -target armv8a-none-eabi 207 208# Set the compiler's target architecture profile based on 209# ARM_ARCH_MAJOR ARM_ARCH_MINOR options 210ifeq (${ARM_ARCH_MINOR},0) 211march32-directive = -march=armv${ARM_ARCH_MAJOR}-a 212march64-directive = -march=armv${ARM_ARCH_MAJOR}-a 213else 214march32-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 215march64-directive = -march=armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a 216endif 217endif 218 219# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards 220ifeq ($(ARCH), aarch64) 221# Check if revision is greater than or equal to 8.5 222ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))" 223mem_tag_arch_support = yes 224endif 225endif 226 227# Get architecture feature modifiers 228arch-features = ${ARM_ARCH_FEATURE} 229 230# Enable required options for memory stack tagging. 231# Currently, these options are enabled only for clang and armclang compiler. 232ifeq (${SUPPORT_STACK_MEMTAG},yes) 233ifdef mem_tag_arch_support 234# Check for armclang and clang compilers 235ifneq ( ,$(filter $(notdir $(CC)),armclang clang)) 236# Add "memtag" architecture feature modifier if not specified 237ifeq ( ,$(findstring memtag,$(arch-features))) 238arch-features := $(arch-features)+memtag 239endif # memtag 240ifeq ($(notdir $(CC)),armclang) 241TF_CFLAGS += -mmemtag-stack 242else ifeq ($(notdir $(CC)),clang) 243TF_CFLAGS += -fsanitize=memtag 244endif # armclang 245endif # armclang clang 246else 247$(error "Error: stack memory tagging is not supported for architecture \ 248 ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a") 249endif # mem_tag_arch_support 250endif # SUPPORT_STACK_MEMTAG 251 252# Set the compiler's architecture feature modifiers 253ifneq ($(arch-features), none) 254# Strip "none+" from arch-features 255arch-features := $(subst none+,,$(arch-features)) 256ifeq ($(ARCH), aarch32) 257march32-directive := $(march32-directive)+$(arch-features) 258else 259march64-directive := $(march64-directive)+$(arch-features) 260endif 261# Print features 262$(info Arm Architecture Features specified: $(subst +, ,$(arch-features))) 263endif # arch-features 264 265# Determine if FEAT_RNG is supported 266ENABLE_FEAT_RNG = $(if $(findstring rng,${arch-features}),1,0) 267 268# Determine if FEAT_SB is supported 269ENABLE_FEAT_SB = $(if $(findstring sb,${arch-features}),1,0) 270 271ifneq ($(findstring clang,$(notdir $(CC))),) 272 ifneq ($(findstring armclang,$(notdir $(CC))),) 273 TF_CFLAGS_aarch32 := -target arm-arm-none-eabi $(march32-directive) 274 TF_CFLAGS_aarch64 := -target aarch64-arm-none-eabi $(march64-directive) 275 LD := $(LINKER) 276 else 277 TF_CFLAGS_aarch32 := $(target32-directive) $(march32-directive) 278 TF_CFLAGS_aarch64 := -target aarch64-elf $(march64-directive) 279 LD := $(shell $(CC) --print-prog-name ld.lld) 280 281 AR := $(shell $(CC) --print-prog-name llvm-ar) 282 OD := $(shell $(CC) --print-prog-name llvm-objdump) 283 OC := $(shell $(CC) --print-prog-name llvm-objcopy) 284 endif 285 286 CPP := $(CC) -E $(TF_CFLAGS_$(ARCH)) 287 PP := $(CC) -E $(TF_CFLAGS_$(ARCH)) 288 AS := $(CC) -c -x assembler-with-cpp $(TF_CFLAGS_$(ARCH)) 289else ifneq ($(findstring gcc,$(notdir $(CC))),) 290TF_CFLAGS_aarch32 = $(march32-directive) 291TF_CFLAGS_aarch64 = $(march64-directive) 292ifeq ($(ENABLE_LTO),1) 293 # Enable LTO only for aarch64 294 ifeq (${ARCH},aarch64) 295 LTO_CFLAGS = -flto 296 # Use gcc as a wrapper for the ld, recommended for LTO 297 LINKER := ${CROSS_COMPILE}gcc 298 endif 299endif 300LD = $(LINKER) 301else 302TF_CFLAGS_aarch32 = $(march32-directive) 303TF_CFLAGS_aarch64 = $(march64-directive) 304LD = $(LINKER) 305endif 306 307# Process Debug flag 308$(eval $(call add_define,DEBUG)) 309ifneq (${DEBUG}, 0) 310 BUILD_TYPE := debug 311 TF_CFLAGS += -g -gdwarf-4 312 ASFLAGS += -g -Wa,-gdwarf-4 313 314 # Use LOG_LEVEL_INFO by default for debug builds 315 LOG_LEVEL := 40 316else 317 BUILD_TYPE := release 318 # Use LOG_LEVEL_NOTICE by default for release builds 319 LOG_LEVEL := 20 320endif 321 322# Default build string (git branch and commit) 323ifeq (${BUILD_STRING},) 324 BUILD_STRING := $(shell git describe --always --dirty --tags 2> /dev/null) 325endif 326VERSION_STRING := v${VERSION}(${BUILD_TYPE}):${BUILD_STRING} 327 328ifeq (${AARCH32_INSTRUCTION_SET},A32) 329TF_CFLAGS_aarch32 += -marm 330else ifeq (${AARCH32_INSTRUCTION_SET},T32) 331TF_CFLAGS_aarch32 += -mthumb 332else 333$(error Error: Unknown AArch32 instruction set ${AARCH32_INSTRUCTION_SET}) 334endif 335 336TF_CFLAGS_aarch32 += -mno-unaligned-access 337TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align 338 339ifneq (${BP_OPTION},none) 340TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION} 341endif 342 343ASFLAGS_aarch32 = $(march32-directive) 344ASFLAGS_aarch64 = $(march64-directive) 345 346# General warnings 347WARNINGS := -Wall -Wmissing-include-dirs -Wunused \ 348 -Wdisabled-optimization -Wvla -Wshadow \ 349 -Wno-unused-parameter -Wredundant-decls 350 351# Additional warnings 352# Level 1 353WARNING1 := -Wextra 354WARNING1 += -Wmissing-format-attribute 355WARNING1 += -Wmissing-prototypes 356WARNING1 += -Wold-style-definition 357 358# Level 2 359WARNING2 := -Waggregate-return 360WARNING2 += -Wcast-align 361WARNING2 += -Wnested-externs 362 363WARNING3 := -Wbad-function-cast 364WARNING3 += -Wcast-qual 365WARNING3 += -Wconversion 366WARNING3 += -Wpacked 367WARNING3 += -Wpointer-arith 368WARNING3 += -Wswitch-default 369 370ifeq (${W},1) 371WARNINGS += $(WARNING1) 372else ifeq (${W},2) 373WARNINGS += $(WARNING1) $(WARNING2) 374else ifeq (${W},3) 375WARNINGS += $(WARNING1) $(WARNING2) $(WARNING3) 376endif 377 378# Compiler specific warnings 379ifeq ($(findstring clang,$(notdir $(CC))),) 380# not using clang 381WARNINGS += -Wunused-but-set-variable -Wmaybe-uninitialized \ 382 -Wpacked-bitfield-compat -Wshift-overflow=2 \ 383 -Wlogical-op 384else 385# using clang 386WARNINGS += -Wshift-overflow -Wshift-sign-overflow \ 387 -Wlogical-op-parentheses 388endif 389 390ifneq (${E},0) 391ERRORS := -Werror 392endif 393 394CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \ 395 $(ERRORS) $(WARNINGS) 396ASFLAGS += $(CPPFLAGS) $(ASFLAGS_$(ARCH)) \ 397 -ffreestanding -Wa,--fatal-warnings 398TF_CFLAGS += $(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) \ 399 -ffunction-sections -fdata-sections \ 400 -ffreestanding -fno-builtin -fno-common \ 401 -Os -std=gnu99 402 403$(eval $(call add_define,SVE_VECTOR_LEN)) 404 405ifeq (${SANITIZE_UB},on) 406TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover 407endif 408ifeq (${SANITIZE_UB},trap) 409TF_CFLAGS += -fsanitize=undefined -fno-sanitize-recover \ 410 -fsanitize-undefined-trap-on-error 411endif 412 413GCC_V_OUTPUT := $(shell $(CC) -v 2>&1) 414 415# LD = armlink 416ifneq ($(findstring armlink,$(notdir $(LD))),) 417TF_LDFLAGS += --diag_error=warning --lto_level=O1 418TF_LDFLAGS += --remove --info=unused,unusedsymbols 419TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 420 421# LD = gcc (used when GCC LTO is enabled) 422else ifneq ($(findstring gcc,$(notdir $(LD))),) 423# Pass ld options with Wl or Xlinker switches 424TF_LDFLAGS += -Wl,--fatal-warnings -O1 425TF_LDFLAGS += -Wl,--gc-sections 426ifeq ($(ENABLE_LTO),1) 427 ifeq (${ARCH},aarch64) 428 TF_LDFLAGS += -flto -fuse-linker-plugin 429 endif 430endif 431# GCC automatically adds fix-cortex-a53-843419 flag when used to link 432# which breaks some builds, so disable if errata fix is not explicitly enabled 433ifneq (${ERRATA_A53_843419},1) 434 TF_LDFLAGS += -mno-fix-cortex-a53-843419 435endif 436TF_LDFLAGS += -nostdlib 437TF_LDFLAGS += $(subst --,-Xlinker --,$(TF_LDFLAGS_$(ARCH))) 438 439# LD = gcc-ld (ld) or llvm-ld (ld.lld) or other 440else 441TF_LDFLAGS += --fatal-warnings -O1 442TF_LDFLAGS += --gc-sections 443# ld.lld doesn't recognize the errata flags, 444# therefore don't add those in that case 445ifeq ($(findstring ld.lld,$(notdir $(LD))),) 446TF_LDFLAGS += $(TF_LDFLAGS_$(ARCH)) 447endif 448endif 449 450DTC_FLAGS += -I dts -O dtb 451DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \ 452 -x assembler-with-cpp $(DEFINES) 453 454################################################################################ 455# Common sources and include directories 456################################################################################ 457include ${MAKE_HELPERS_DIRECTORY}arch_features.mk 458include lib/compiler-rt/compiler-rt.mk 459 460BL_COMMON_SOURCES += common/bl_common.c \ 461 common/tf_log.c \ 462 common/${ARCH}/debug.S \ 463 drivers/console/multi_console.c \ 464 lib/${ARCH}/cache_helpers.S \ 465 lib/${ARCH}/misc_helpers.S \ 466 plat/common/plat_bl_common.c \ 467 plat/common/plat_log_common.c \ 468 plat/common/${ARCH}/plat_common.c \ 469 plat/common/${ARCH}/platform_helpers.S \ 470 ${COMPILER_RT_SRCS} 471 472ifeq ($(notdir $(CC)),armclang) 473BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S 474endif 475 476ifeq (${SANITIZE_UB},on) 477BL_COMMON_SOURCES += plat/common/ubsan.c 478endif 479 480INCLUDES += -Iinclude \ 481 -Iinclude/arch/${ARCH} \ 482 -Iinclude/lib/cpus/${ARCH} \ 483 -Iinclude/lib/el3_runtime/${ARCH} \ 484 ${PLAT_INCLUDES} \ 485 ${SPD_INCLUDES} 486 487include common/backtrace/backtrace.mk 488 489################################################################################ 490# Generic definitions 491################################################################################ 492 493include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk 494 495ifeq (${BUILD_BASE},) 496 BUILD_BASE := ./build 497endif 498BUILD_PLAT := $(abspath ${BUILD_BASE})/${PLAT}/${BUILD_TYPE} 499 500SPDS := $(sort $(filter-out none, $(patsubst services/spd/%,%,$(wildcard services/spd/*)))) 501 502# Platforms providing their own TBB makefile may override this value 503INCLUDE_TBBR_MK := 1 504 505 506################################################################################ 507# Include SPD Makefile if one has been specified 508################################################################################ 509 510ifneq (${SPD},none) 511 ifeq (${ARCH},aarch32) 512 $(error "Error: SPD is incompatible with AArch32.") 513 endif 514 515 ifdef EL3_PAYLOAD_BASE 516 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 517 $(warning "The SPD and its BL32 companion will be present but ignored.") 518 endif 519 520 ifeq (${SPD},spmd) 521 # SPMD is located in std_svc directory 522 SPD_DIR := std_svc 523 524 ifeq ($(SPMD_SPM_AT_SEL2),1) 525 ifeq ($(CTX_INCLUDE_EL2_REGS),0) 526 $(error SPMD with SPM at S-EL2 requires CTX_INCLUDE_EL2_REGS option) 527 endif 528 ifeq ($(SPMC_AT_EL3),1) 529 $(error SPM cannot be enabled in both S-EL2 and EL3.) 530 endif 531 endif 532 533 ifeq ($(findstring optee_sp,$(ARM_SPMC_MANIFEST_DTS)),optee_sp) 534 DTC_CPPFLAGS += -DOPTEE_SP_FW_CONFIG 535 endif 536 537 ifeq ($(TS_SP_FW_CONFIG),1) 538 DTC_CPPFLAGS += -DTS_SP_FW_CONFIG 539 endif 540 541 ifneq ($(ARM_BL2_SP_LIST_DTS),) 542 DTC_CPPFLAGS += -DARM_BL2_SP_LIST_DTS=$(ARM_BL2_SP_LIST_DTS) 543 endif 544 545 ifneq ($(SP_LAYOUT_FILE),) 546 BL2_ENABLE_SP_LOAD := 1 547 endif 548 else 549 # All other SPDs in spd directory 550 SPD_DIR := spd 551 endif 552 553 # We expect to locate an spd.mk under the specified SPD directory 554 SPD_MAKE := $(wildcard services/${SPD_DIR}/${SPD}/${SPD}.mk) 555 556 ifeq (${SPD_MAKE},) 557 $(error Error: No services/${SPD_DIR}/${SPD}/${SPD}.mk located) 558 endif 559 $(info Including ${SPD_MAKE}) 560 include ${SPD_MAKE} 561 562 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 563 # Makefile would set NEED_BL32 to "yes". In this case, the build system 564 # supports two mutually exclusive options: 565 # * BL32 is built from source: then BL32_SOURCES must contain the list 566 # of source files to build BL32 567 # * BL32 is a prebuilt binary: then BL32 must point to the image file 568 # that will be included in the FIP 569 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 570 # over the sources. 571endif 572 573################################################################################ 574# Include rmmd Makefile if RME is enabled 575################################################################################ 576 577ifneq (${ENABLE_RME},0) 578ifneq (${ARCH},aarch64) 579 $(error ENABLE_RME requires AArch64) 580endif 581ifeq ($(SPMC_AT_EL3),1) 582 $(error SPMC_AT_EL3 and ENABLE_RME cannot both be enabled.) 583endif 584include services/std_svc/rmmd/rmmd.mk 585$(warning "RME is an experimental feature") 586endif 587 588################################################################################ 589# Include the platform specific Makefile after the SPD Makefile (the platform 590# makefile may use all previous definitions in this file) 591################################################################################ 592 593include ${PLAT_MAKEFILE_FULL} 594 595$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT})) 596 597ifeq (${ARM_ARCH_MAJOR},7) 598include make_helpers/armv7-a-cpus.mk 599endif 600 601PIE_FOUND := $(findstring --enable-default-pie,${GCC_V_OUTPUT}) 602ifneq ($(PIE_FOUND),) 603 TF_CFLAGS += -fno-PIE 604ifneq ($(findstring gcc,$(notdir $(LD))),) 605 TF_LDFLAGS += -no-pie 606endif 607endif 608 609ifneq ($(findstring gcc,$(notdir $(LD))),) 610 PIE_LDFLAGS += -Wl,-pie -Wl,--no-dynamic-linker 611else 612 PIE_LDFLAGS += -pie --no-dynamic-linker 613endif 614 615ifeq ($(ENABLE_PIE),1) 616ifeq ($(BL2_AT_EL3),1) 617ifneq ($(BL2_IN_XIP_MEM),1) 618 BL2_CFLAGS += -fpie 619 BL2_LDFLAGS += $(PIE_LDFLAGS) 620endif 621endif 622 BL31_CFLAGS += -fpie 623 BL31_LDFLAGS += $(PIE_LDFLAGS) 624 BL32_CFLAGS += -fpie 625 BL32_LDFLAGS += $(PIE_LDFLAGS) 626endif 627 628ifeq (${ARCH},aarch64) 629BL1_CPPFLAGS += -DIMAGE_AT_EL3 630ifeq ($(BL2_AT_EL3),1) 631BL2_CPPFLAGS += -DIMAGE_AT_EL3 632else 633BL2_CPPFLAGS += -DIMAGE_AT_EL1 634endif 635BL2U_CPPFLAGS += -DIMAGE_AT_EL1 636BL31_CPPFLAGS += -DIMAGE_AT_EL3 637BL32_CPPFLAGS += -DIMAGE_AT_EL1 638endif 639 640# Include the CPU specific operations makefile, which provides default 641# values for all CPU errata workarounds and CPU specific optimisations. 642# This can be overridden by the platform. 643include lib/cpus/cpu-ops.mk 644 645ifeq (${ARCH},aarch32) 646NEED_BL32 := yes 647 648################################################################################ 649# Build `AARCH32_SP` as BL32 image for AArch32 650################################################################################ 651ifneq (${AARCH32_SP},none) 652# We expect to locate an sp.mk under the specified AARCH32_SP directory 653AARCH32_SP_MAKE := $(wildcard bl32/${AARCH32_SP}/${AARCH32_SP}.mk) 654 655ifeq (${AARCH32_SP_MAKE},) 656 $(error Error: No bl32/${AARCH32_SP}/${AARCH32_SP}.mk located) 657endif 658 659$(info Including ${AARCH32_SP_MAKE}) 660include ${AARCH32_SP_MAKE} 661endif 662 663endif 664 665################################################################################ 666# Include libc if not overridden 667################################################################################ 668ifeq (${OVERRIDE_LIBC},0) 669include lib/libc/libc.mk 670endif 671 672################################################################################ 673# Check incompatible options 674################################################################################ 675 676ifdef EL3_PAYLOAD_BASE 677 ifdef PRELOADED_BL33_BASE 678 $(warning "PRELOADED_BL33_BASE and EL3_PAYLOAD_BASE are \ 679 incompatible build options. EL3_PAYLOAD_BASE has priority.") 680 endif 681 ifneq (${GENERATE_COT},0) 682 $(error "GENERATE_COT and EL3_PAYLOAD_BASE are incompatible build options.") 683 endif 684 ifneq (${TRUSTED_BOARD_BOOT},0) 685 $(error "TRUSTED_BOARD_BOOT and EL3_PAYLOAD_BASE are incompatible build options.") 686 endif 687endif 688 689ifeq (${NEED_BL33},yes) 690 ifdef EL3_PAYLOAD_BASE 691 $(warning "BL33 image is not needed when option \ 692 BL33_PAYLOAD_BASE is used and won't be added to the FIP file.") 693 endif 694 ifdef PRELOADED_BL33_BASE 695 $(warning "BL33 image is not needed when option \ 696 PRELOADED_BL33_BASE is used and won't be added to the FIP \ 697 file.") 698 endif 699endif 700 701# When building for systems with hardware-assisted coherency, there's no need to 702# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too. 703ifeq ($(HW_ASSISTED_COHERENCY)-$(USE_COHERENT_MEM),1-1) 704$(error USE_COHERENT_MEM cannot be enabled with HW_ASSISTED_COHERENCY) 705endif 706 707#For now, BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is 1. 708ifeq ($(BL2_AT_EL3)-$(BL2_IN_XIP_MEM),0-1) 709$(error "BL2_IN_XIP_MEM is only supported when BL2_AT_EL3 is enabled") 710endif 711 712# For RAS_EXTENSION, require that EAs are handled in EL3 first 713ifeq ($(RAS_EXTENSION),1) 714 ifneq ($(HANDLE_EA_EL3_FIRST),1) 715 $(error For RAS_EXTENSION, HANDLE_EA_EL3_FIRST must also be 1) 716 endif 717endif 718 719# When FAULT_INJECTION_SUPPORT is used, require that RAS_EXTENSION is enabled 720ifeq ($(FAULT_INJECTION_SUPPORT),1) 721 ifneq ($(RAS_EXTENSION),1) 722 $(error For FAULT_INJECTION_SUPPORT, RAS_EXTENSION must also be 1) 723 endif 724endif 725 726# DYN_DISABLE_AUTH can be set only when TRUSTED_BOARD_BOOT=1 727ifeq ($(DYN_DISABLE_AUTH), 1) 728 ifeq (${TRUSTED_BOARD_BOOT}, 0) 729 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 730 endif 731endif 732 733ifeq ($(MEASURED_BOOT)-$(TRUSTED_BOARD_BOOT),1-1) 734# Support authentication verification and hash calculation 735 CRYPTO_SUPPORT := 3 736else ifeq ($(DRTM_SUPPORT)-$(TRUSTED_BOARD_BOOT),1-1) 737# Support authentication verification and hash calculation 738 CRYPTO_SUPPORT := 3 739else ifneq ($(filter 1,${MEASURED_BOOT} ${DRTM_SUPPORT}),) 740# Support hash calculation only 741 CRYPTO_SUPPORT := 2 742else ifeq (${TRUSTED_BOARD_BOOT},1) 743# Support authentication verification only 744 CRYPTO_SUPPORT := 1 745else 746 CRYPTO_SUPPORT := 0 747endif 748 749# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 750ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 751$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled") 752endif 753 754# If pointer authentication is used in the firmware, make sure that all the 755# registers associated to it are also saved and restored. 756# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 757ifeq ($(ENABLE_PAUTH),1) 758 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 759 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 760 endif 761endif 762 763ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 764 ifneq (${ARCH},aarch64) 765 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 766 endif 767endif 768 769ifeq ($(CTX_INCLUDE_MTE_REGS),1) 770 ifneq (${ARCH},aarch64) 771 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 772 endif 773endif 774 775ifeq ($(PSA_FWU_SUPPORT),1) 776 $(info PSA_FWU_SUPPORT is an experimental feature) 777endif 778 779ifeq ($(FEATURE_DETECTION),1) 780 $(info FEATURE_DETECTION is an experimental feature) 781endif 782 783ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 784 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 785 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 786 endif 787endif 788 789ifneq (${DECRYPTION_SUPPORT},none) 790 ifeq (${TRUSTED_BOARD_BOOT}, 0) 791 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 792 endif 793endif 794 795# Ensure that no Aarch64-only features are enabled in Aarch32 build 796ifeq (${ARCH},aarch32) 797 798 # SME/SVE only supported on AArch64 799 ifeq (${ENABLE_SME_FOR_NS},1) 800 $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32") 801 endif 802 ifeq (${ENABLE_SVE_FOR_NS},1) 803 # Warning instead of error due to CI dependency on this 804 $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32") 805 endif 806 807 # BRBE is not supported in AArch32 808 ifeq (${ENABLE_BRBE_FOR_NS},1) 809 $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32") 810 endif 811 812 # FEAT_RNG_TRAP is not supported in AArch32 813 ifeq (${ENABLE_FEAT_RNG_TRAP},1) 814 $(error "ENABLE_FEAT_RNG_TRAP cannot be used with ARCH=aarch32") 815 endif 816endif 817 818# Ensure ENABLE_RME is not used with SME 819ifeq (${ENABLE_RME},1) 820 ifeq (${ENABLE_SME_FOR_NS},1) 821 $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME") 822 endif 823endif 824 825# Secure SME/SVE requires the non-secure component as well 826ifeq (${ENABLE_SME_FOR_SWD},1) 827 ifeq (${ENABLE_SME_FOR_NS},0) 828 $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS") 829 endif 830endif 831ifeq (${ENABLE_SVE_FOR_SWD},1) 832 ifeq (${ENABLE_SVE_FOR_NS},0) 833 $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS") 834 endif 835endif 836 837# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does 838# its own context management including FPU registers. 839ifeq (${CTX_INCLUDE_FPREGS},1) 840 ifeq (${ENABLE_SME_FOR_NS},1) 841 $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 842 endif 843 ifeq (${ENABLE_SVE_FOR_NS},1) 844 # Warning instead of error due to CI dependency on this 845 $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 846 $(warning "Forced ENABLE_SVE_FOR_NS=0") 847 override ENABLE_SVE_FOR_NS := 0 848 endif 849endif 850 851ifeq ($(DRTM_SUPPORT),1) 852 $(info DRTM_SUPPORT is an experimental feature) 853endif 854 855################################################################################ 856# Process platform overrideable behaviour 857################################################################################ 858 859ifdef BL1_SOURCES 860NEED_BL1 := yes 861endif 862 863ifdef BL2_SOURCES 864 NEED_BL2 := yes 865 866 # Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 867 # Certificate generation tools. This flag can be overridden by the platform. 868 ifdef EL3_PAYLOAD_BASE 869 # If booting an EL3 payload there is no need for a BL33 image 870 # in the FIP file. 871 NEED_BL33 := no 872 else 873 ifdef PRELOADED_BL33_BASE 874 # If booting a BL33 preloaded image there is no need of 875 # another one in the FIP file. 876 NEED_BL33 := no 877 else 878 NEED_BL33 ?= yes 879 endif 880 endif 881endif 882 883ifdef BL2U_SOURCES 884NEED_BL2U := yes 885endif 886 887# If SCP_BL2 is given, we always want FIP to include it. 888ifdef SCP_BL2 889 NEED_SCP_BL2 := yes 890endif 891 892# For AArch32, BL31 is not currently supported. 893ifneq (${ARCH},aarch32) 894 ifdef BL31_SOURCES 895 # When booting an EL3 payload, there is no need to compile the BL31 image nor 896 # put it in the FIP. 897 ifndef EL3_PAYLOAD_BASE 898 NEED_BL31 := yes 899 endif 900 endif 901endif 902 903# Process TBB related flags 904ifneq (${GENERATE_COT},0) 905 # Common cert_create options 906 ifneq (${CREATE_KEYS},0) 907 $(eval CRT_ARGS += -n) 908 $(eval FWU_CRT_ARGS += -n) 909 ifneq (${SAVE_KEYS},0) 910 $(eval CRT_ARGS += -k) 911 $(eval FWU_CRT_ARGS += -k) 912 endif 913 endif 914 # Include TBBR makefile (unless the platform indicates otherwise) 915 ifeq (${INCLUDE_TBBR_MK},1) 916 include make_helpers/tbbr/tbbr_tools.mk 917 endif 918endif 919 920ifneq (${FIP_ALIGN},0) 921FIP_ARGS += --align ${FIP_ALIGN} 922endif 923 924ifdef FDT_SOURCES 925NEED_FDT := yes 926endif 927 928################################################################################ 929# Include libraries' Makefile that are used in all BL 930################################################################################ 931 932include lib/stack_protector/stack_protector.mk 933 934################################################################################ 935# Auxiliary tools (fiptool, cert_create, etc) 936################################################################################ 937 938# Variables for use with Certificate Generation Tool 939CRTTOOLPATH ?= tools/cert_create 940CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 941 942# Variables for use with Firmware Encryption Tool 943ENCTOOLPATH ?= tools/encrypt_fw 944ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 945 946# Variables for use with Firmware Image Package 947FIPTOOLPATH ?= tools/fiptool 948FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 949 950# Variables for use with sptool 951SPTOOLPATH ?= tools/sptool 952SPTOOL ?= ${SPTOOLPATH}/sptool.py 953SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 954 955# Variables for use with ROMLIB 956ROMLIBPATH ?= lib/romlib 957 958# Variable for use with Python 959PYTHON ?= python3 960 961# Variables for use with PRINT_MEMORY_MAP 962PRINT_MEMORY_MAP_PATH ?= tools/memory 963PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 964 965# Variables for use with documentation build using Sphinx tool 966DOCS_PATH ?= docs 967 968# Defination of SIMICS flag 969SIMICS_BUILD ?= 0 970 971################################################################################ 972# Include BL specific makefiles 973################################################################################ 974 975ifeq (${NEED_BL1},yes) 976include bl1/bl1.mk 977endif 978 979ifeq (${NEED_BL2},yes) 980include bl2/bl2.mk 981endif 982 983ifeq (${NEED_BL2U},yes) 984include bl2u/bl2u.mk 985endif 986 987ifeq (${NEED_BL31},yes) 988include bl31/bl31.mk 989endif 990 991################################################################################ 992# Build options checks 993################################################################################ 994 995$(eval $(call assert_booleans,\ 996 $(sort \ 997 ALLOW_RO_XLAT_TABLES \ 998 BL2_ENABLE_SP_LOAD \ 999 COLD_BOOT_SINGLE_CPU \ 1000 CREATE_KEYS \ 1001 CTX_INCLUDE_AARCH32_REGS \ 1002 CTX_INCLUDE_FPREGS \ 1003 CTX_INCLUDE_EL2_REGS \ 1004 DEBUG \ 1005 DISABLE_MTPMU \ 1006 DYN_DISABLE_AUTH \ 1007 EL3_EXCEPTION_HANDLING \ 1008 ENABLE_AMU \ 1009 ENABLE_AMU_AUXILIARY_COUNTERS \ 1010 ENABLE_AMU_FCONF \ 1011 AMU_RESTRICT_COUNTERS \ 1012 ENABLE_ASSERTIONS \ 1013 ENABLE_PIE \ 1014 ENABLE_PMF \ 1015 ENABLE_PSCI_STAT \ 1016 ENABLE_RUNTIME_INSTRUMENTATION \ 1017 ENABLE_SME_FOR_NS \ 1018 ENABLE_SME_FOR_SWD \ 1019 ENABLE_SPE_FOR_LOWER_ELS \ 1020 ENABLE_SVE_FOR_NS \ 1021 ENABLE_SVE_FOR_SWD \ 1022 ERROR_DEPRECATED \ 1023 FAULT_INJECTION_SUPPORT \ 1024 GENERATE_COT \ 1025 GICV2_G0_FOR_EL3 \ 1026 HANDLE_EA_EL3_FIRST \ 1027 HW_ASSISTED_COHERENCY \ 1028 INVERTED_MEMMAP \ 1029 MEASURED_BOOT \ 1030 DRTM_SUPPORT \ 1031 NS_TIMER_SWITCH \ 1032 OVERRIDE_LIBC \ 1033 PL011_GENERIC_UART \ 1034 PLAT_RSS_NOT_SUPPORTED \ 1035 PROGRAMMABLE_RESET_ADDRESS \ 1036 PSCI_EXTENDED_STATE_ID \ 1037 RESET_TO_BL31 \ 1038 RESET_TO_BL31_WITH_PARAMS \ 1039 SAVE_KEYS \ 1040 SEPARATE_CODE_AND_RODATA \ 1041 SEPARATE_BL2_NOLOAD_REGION \ 1042 SEPARATE_NOBITS_REGION \ 1043 SPIN_ON_BL1_EXIT \ 1044 SPM_MM \ 1045 SPMC_AT_EL3 \ 1046 SPMD_SPM_AT_SEL2 \ 1047 TRUSTED_BOARD_BOOT \ 1048 USE_COHERENT_MEM \ 1049 USE_DEBUGFS \ 1050 ARM_IO_IN_DTB \ 1051 SDEI_IN_FCONF \ 1052 SEC_INT_DESC_IN_FCONF \ 1053 USE_ROMLIB \ 1054 USE_TBBR_DEFS \ 1055 WARMBOOT_ENABLE_DCACHE_EARLY \ 1056 BL2_AT_EL3 \ 1057 BL2_IN_XIP_MEM \ 1058 BL2_INV_DCACHE \ 1059 USE_SPINLOCK_CAS \ 1060 ENCRYPT_BL31 \ 1061 ENCRYPT_BL32 \ 1062 ERRATA_SPECULATIVE_AT \ 1063 RAS_TRAP_NS_ERR_REC_ACCESS \ 1064 COT_DESC_IN_DTB \ 1065 USE_SP804_TIMER \ 1066 PSA_FWU_SUPPORT \ 1067 ENABLE_SYS_REG_TRACE_FOR_NS \ 1068 ENABLE_MPMM \ 1069 ENABLE_MPMM_FCONF \ 1070 SIMICS_BUILD \ 1071 FEATURE_DETECTION \ 1072))) 1073 1074$(eval $(call assert_numerics,\ 1075 $(sort \ 1076 ARM_ARCH_MAJOR \ 1077 ARM_ARCH_MINOR \ 1078 BRANCH_PROTECTION \ 1079 CTX_INCLUDE_PAUTH_REGS \ 1080 CTX_INCLUDE_MTE_REGS \ 1081 CTX_INCLUDE_NEVE_REGS \ 1082 CRYPTO_SUPPORT \ 1083 ENABLE_BRBE_FOR_NS \ 1084 ENABLE_TRBE_FOR_NS \ 1085 ENABLE_BTI \ 1086 ENABLE_PAUTH \ 1087 ENABLE_FEAT_AMUv1 \ 1088 ENABLE_FEAT_AMUv1p1 \ 1089 ENABLE_FEAT_CSV2_2 \ 1090 ENABLE_FEAT_DIT \ 1091 ENABLE_FEAT_ECV \ 1092 ENABLE_FEAT_FGT \ 1093 ENABLE_FEAT_HCX \ 1094 ENABLE_FEAT_PAN \ 1095 ENABLE_FEAT_RNG \ 1096 ENABLE_FEAT_RNG_TRAP \ 1097 ENABLE_FEAT_SB \ 1098 ENABLE_FEAT_SEL2 \ 1099 ENABLE_FEAT_VHE \ 1100 ENABLE_MPAM_FOR_LOWER_ELS \ 1101 ENABLE_RME \ 1102 ENABLE_TRF_FOR_NS \ 1103 FW_ENC_STATUS \ 1104 NR_OF_FW_BANKS \ 1105 NR_OF_IMAGES_IN_FW_BANK \ 1106 RAS_EXTENSION \ 1107 TWED_DELAY \ 1108 ENABLE_FEAT_TWED \ 1109 SVE_VECTOR_LEN \ 1110))) 1111 1112ifdef KEY_SIZE 1113 $(eval $(call assert_numeric,KEY_SIZE)) 1114endif 1115 1116ifeq ($(filter $(SANITIZE_UB), on off trap),) 1117 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 1118endif 1119 1120################################################################################ 1121# Add definitions to the cpp preprocessor based on the current build options. 1122# This is done after including the platform specific makefile to allow the 1123# platform to overwrite the default options 1124################################################################################ 1125 1126$(eval $(call add_defines,\ 1127 $(sort \ 1128 ALLOW_RO_XLAT_TABLES \ 1129 ARM_ARCH_MAJOR \ 1130 ARM_ARCH_MINOR \ 1131 BL2_ENABLE_SP_LOAD \ 1132 COLD_BOOT_SINGLE_CPU \ 1133 CTX_INCLUDE_AARCH32_REGS \ 1134 CTX_INCLUDE_FPREGS \ 1135 CTX_INCLUDE_PAUTH_REGS \ 1136 EL3_EXCEPTION_HANDLING \ 1137 CTX_INCLUDE_MTE_REGS \ 1138 CTX_INCLUDE_EL2_REGS \ 1139 CTX_INCLUDE_NEVE_REGS \ 1140 DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \ 1141 DISABLE_MTPMU \ 1142 ENABLE_AMU \ 1143 ENABLE_AMU_AUXILIARY_COUNTERS \ 1144 ENABLE_AMU_FCONF \ 1145 AMU_RESTRICT_COUNTERS \ 1146 ENABLE_ASSERTIONS \ 1147 ENABLE_BTI \ 1148 ENABLE_MPAM_FOR_LOWER_ELS \ 1149 ENABLE_PAUTH \ 1150 ENABLE_PIE \ 1151 ENABLE_PMF \ 1152 ENABLE_PSCI_STAT \ 1153 ENABLE_RME \ 1154 ENABLE_RUNTIME_INSTRUMENTATION \ 1155 ENABLE_SME_FOR_NS \ 1156 ENABLE_SME_FOR_SWD \ 1157 ENABLE_SPE_FOR_LOWER_ELS \ 1158 ENABLE_SVE_FOR_NS \ 1159 ENABLE_SVE_FOR_SWD \ 1160 ENCRYPT_BL31 \ 1161 ENCRYPT_BL32 \ 1162 ERROR_DEPRECATED \ 1163 FAULT_INJECTION_SUPPORT \ 1164 GICV2_G0_FOR_EL3 \ 1165 HANDLE_EA_EL3_FIRST \ 1166 HW_ASSISTED_COHERENCY \ 1167 LOG_LEVEL \ 1168 MEASURED_BOOT \ 1169 DRTM_SUPPORT \ 1170 NS_TIMER_SWITCH \ 1171 PL011_GENERIC_UART \ 1172 PLAT_${PLAT} \ 1173 PLAT_RSS_NOT_SUPPORTED \ 1174 PROGRAMMABLE_RESET_ADDRESS \ 1175 PSCI_EXTENDED_STATE_ID \ 1176 RAS_EXTENSION \ 1177 RESET_TO_BL31 \ 1178 RESET_TO_BL31_WITH_PARAMS \ 1179 SEPARATE_CODE_AND_RODATA \ 1180 SEPARATE_BL2_NOLOAD_REGION \ 1181 SEPARATE_NOBITS_REGION \ 1182 RECLAIM_INIT_CODE \ 1183 SPD_${SPD} \ 1184 SPIN_ON_BL1_EXIT \ 1185 SPM_MM \ 1186 SPMC_AT_EL3 \ 1187 SPMD_SPM_AT_SEL2 \ 1188 TRUSTED_BOARD_BOOT \ 1189 CRYPTO_SUPPORT \ 1190 TRNG_SUPPORT \ 1191 USE_COHERENT_MEM \ 1192 USE_DEBUGFS \ 1193 ARM_IO_IN_DTB \ 1194 SDEI_IN_FCONF \ 1195 SEC_INT_DESC_IN_FCONF \ 1196 USE_ROMLIB \ 1197 USE_TBBR_DEFS \ 1198 WARMBOOT_ENABLE_DCACHE_EARLY \ 1199 BL2_AT_EL3 \ 1200 BL2_IN_XIP_MEM \ 1201 BL2_INV_DCACHE \ 1202 USE_SPINLOCK_CAS \ 1203 ERRATA_SPECULATIVE_AT \ 1204 RAS_TRAP_NS_ERR_REC_ACCESS \ 1205 COT_DESC_IN_DTB \ 1206 USE_SP804_TIMER \ 1207 ENABLE_FEAT_RNG \ 1208 ENABLE_FEAT_RNG_TRAP \ 1209 ENABLE_FEAT_SB \ 1210 ENABLE_FEAT_DIT \ 1211 NR_OF_FW_BANKS \ 1212 NR_OF_IMAGES_IN_FW_BANK \ 1213 PSA_FWU_SUPPORT \ 1214 ENABLE_BRBE_FOR_NS \ 1215 ENABLE_TRBE_FOR_NS \ 1216 ENABLE_SYS_REG_TRACE_FOR_NS \ 1217 ENABLE_TRF_FOR_NS \ 1218 ENABLE_FEAT_HCX \ 1219 ENABLE_MPMM \ 1220 ENABLE_MPMM_FCONF \ 1221 ENABLE_FEAT_FGT \ 1222 ENABLE_FEAT_AMUv1 \ 1223 ENABLE_FEAT_ECV \ 1224 SIMICS_BUILD \ 1225 ENABLE_FEAT_AMUv1p1 \ 1226 ENABLE_FEAT_SEL2 \ 1227 ENABLE_FEAT_VHE \ 1228 ENABLE_FEAT_CSV2_2 \ 1229 ENABLE_FEAT_PAN \ 1230 FEATURE_DETECTION \ 1231 TWED_DELAY \ 1232 ENABLE_FEAT_TWED \ 1233))) 1234 1235ifeq (${SANITIZE_UB},trap) 1236 $(eval $(call add_define,MONITOR_TRAPS)) 1237endif 1238 1239# Define the EL3_PAYLOAD_BASE flag only if it is provided. 1240ifdef EL3_PAYLOAD_BASE 1241 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 1242else 1243 # Define the PRELOADED_BL33_BASE flag only if it is provided and 1244 # EL3_PAYLOAD_BASE is not defined, as it has priority. 1245 ifdef PRELOADED_BL33_BASE 1246 $(eval $(call add_define,PRELOADED_BL33_BASE)) 1247 endif 1248endif 1249 1250# Define the DYN_DISABLE_AUTH flag only if set. 1251ifeq (${DYN_DISABLE_AUTH},1) 1252$(eval $(call add_define,DYN_DISABLE_AUTH)) 1253endif 1254 1255ifneq ($(findstring armlink,$(notdir $(LD))),) 1256$(eval $(call add_define,USE_ARM_LINK)) 1257endif 1258 1259# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1260ifeq (${SPD},spmd) 1261ifdef SP_LAYOUT_FILE 1262 -include $(BUILD_PLAT)/sp_gen.mk 1263 FIP_DEPS += sp 1264 CRT_DEPS += sp 1265 NEED_SP_PKG := yes 1266else 1267 ifeq (${SPMD_SPM_AT_SEL2},1) 1268 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1269 endif 1270endif 1271endif 1272 1273################################################################################ 1274# Build targets 1275################################################################################ 1276 1277.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1278.SUFFIXES: 1279 1280all: msg_start 1281 1282msg_start: 1283 @echo "Building ${PLAT}" 1284 1285ifeq (${ERROR_DEPRECATED},0) 1286# Check if deprecated declarations and cpp warnings should be treated as error or not. 1287ifneq ($(findstring clang,$(notdir $(CC))),) 1288 CPPFLAGS += -Wno-error=deprecated-declarations 1289else 1290 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1291endif 1292endif # !ERROR_DEPRECATED 1293 1294$(eval $(call MAKE_LIB_DIRS)) 1295$(eval $(call MAKE_LIB,c)) 1296 1297# Expand build macros for the different images 1298ifeq (${NEED_BL1},yes) 1299BL1_SOURCES := $(sort ${BL1_SOURCES}) 1300 1301$(eval $(call MAKE_BL,bl1)) 1302endif 1303 1304ifeq (${NEED_BL2},yes) 1305ifeq (${BL2_AT_EL3}, 0) 1306FIP_BL2_ARGS := tb-fw 1307endif 1308 1309BL2_SOURCES := $(sort ${BL2_SOURCES}) 1310 1311$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1312 $(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS}))) 1313endif 1314 1315ifeq (${NEED_SCP_BL2},yes) 1316$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1317endif 1318 1319ifeq (${NEED_BL31},yes) 1320BL31_SOURCES += ${SPD_SOURCES} 1321# Sort BL31 source files to remove duplicates 1322BL31_SOURCES := $(sort ${BL31_SOURCES}) 1323ifneq (${DECRYPTION_SUPPORT},none) 1324$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1325 $(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31)))) 1326else 1327$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1328 $(eval $(call MAKE_BL,bl31,soc-fw))) 1329endif 1330endif 1331 1332# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1333# build system will call TOOL_ADD_IMG to print a warning message and abort the 1334# process. Note that the dependency on BL32 applies to the FIP only. 1335ifeq (${NEED_BL32},yes) 1336# Sort BL32 source files to remove duplicates 1337BL32_SOURCES := $(sort ${BL32_SOURCES}) 1338BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1339 1340ifneq (${DECRYPTION_SUPPORT},none) 1341$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\ 1342 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1343else 1344$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\ 1345 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1346endif 1347endif 1348 1349# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP) 1350# needs to be built from RMM_SOURCES. 1351ifeq (${NEED_RMM},yes) 1352# Sort RMM source files to remove duplicates 1353RMM_SOURCES := $(sort ${RMM_SOURCES}) 1354BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1)) 1355 1356$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\ 1357 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw))) 1358endif 1359 1360# Add the BL33 image if required by the platform 1361ifeq (${NEED_BL33},yes) 1362$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1363endif 1364 1365ifeq (${NEED_BL2U},yes) 1366$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1367 $(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_))) 1368endif 1369 1370# Expand build macros for the different images 1371ifeq (${NEED_FDT},yes) 1372 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1373endif 1374 1375# Add Secure Partition packages 1376ifeq (${NEED_SP_PKG},yes) 1377$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1378 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} 1379sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS) 1380 @${ECHO_BLANK_LINE} 1381 @echo "Built SP Images successfully" 1382 @${ECHO_BLANK_LINE} 1383endif 1384 1385locate-checkpatch: 1386ifndef CHECKPATCH 1387 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1388else 1389ifeq (,$(wildcard ${CHECKPATCH})) 1390 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1391endif 1392endif 1393 1394clean: 1395 @echo " CLEAN" 1396 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1397ifdef UNIX_MK 1398 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1399else 1400# Clear the MAKEFLAGS as we do not want 1401# to pass the gnumake flags to nmake. 1402 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean 1403endif 1404 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1405 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1406 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1407 1408realclean distclean: 1409 @echo " REALCLEAN" 1410 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1411 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1412ifdef UNIX_MK 1413 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1414else 1415# Clear the MAKEFLAGS as we do not want 1416# to pass the gnumake flags to nmake. 1417 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean 1418endif 1419 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean 1420 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1421 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1422 1423checkcodebase: locate-checkpatch 1424 @echo " CHECKING STYLE" 1425 @if test -d .git ; then \ 1426 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1427 while read GIT_FILE ; \ 1428 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1429 done ; \ 1430 else \ 1431 find . -type f -not -iwholename "*.git*" \ 1432 -not -iwholename "*build*" \ 1433 -not -iwholename "*libfdt*" \ 1434 -not -iwholename "*libc*" \ 1435 -not -iwholename "*docs*" \ 1436 -not -iwholename "*.rst" \ 1437 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1438 fi 1439 1440checkpatch: locate-checkpatch 1441 @echo " CHECKING STYLE" 1442 @if test -n "${CHECKPATCH_OPTS}"; then \ 1443 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1444 fi 1445 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1446 for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`; \ 1447 do \ 1448 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1449 git log --format=email "$$commit~..$$commit" \ 1450 -- ${CHECK_PATHS} | \ 1451 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1452 git diff --format=email "$$commit~..$$commit" \ 1453 -- ${CHECK_PATHS} | \ 1454 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1455 done 1456 1457certtool: ${CRTTOOL} 1458 1459${CRTTOOL}: FORCE 1460 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH} 1461 @${ECHO_BLANK_LINE} 1462 @echo "Built $@ successfully" 1463 @${ECHO_BLANK_LINE} 1464 1465ifneq (${GENERATE_COT},0) 1466certificates: ${CRT_DEPS} ${CRTTOOL} 1467 ${Q}${CRTTOOL} ${CRT_ARGS} 1468 @${ECHO_BLANK_LINE} 1469 @echo "Built $@ successfully" 1470 @echo "Certificates can be found in ${BUILD_PLAT}" 1471 @${ECHO_BLANK_LINE} 1472endif 1473 1474${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1475 $(eval ${CHECK_FIP_CMD}) 1476 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1477 ${Q}${FIPTOOL} info $@ 1478 @${ECHO_BLANK_LINE} 1479 @echo "Built $@ successfully" 1480 @${ECHO_BLANK_LINE} 1481 1482ifneq (${GENERATE_COT},0) 1483fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1484 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1485 @${ECHO_BLANK_LINE} 1486 @echo "Built $@ successfully" 1487 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1488 @${ECHO_BLANK_LINE} 1489endif 1490 1491${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1492 $(eval ${CHECK_FWU_FIP_CMD}) 1493 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1494 ${Q}${FIPTOOL} info $@ 1495 @${ECHO_BLANK_LINE} 1496 @echo "Built $@ successfully" 1497 @${ECHO_BLANK_LINE} 1498 1499fiptool: ${FIPTOOL} 1500fip: ${BUILD_PLAT}/${FIP_NAME} 1501fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1502 1503${FIPTOOL}: FORCE 1504ifdef UNIX_MK 1505 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${FIPTOOLPATH} 1506else 1507# Clear the MAKEFLAGS as we do not want 1508# to pass the gnumake flags to nmake. 1509 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) 1510endif 1511 1512romlib.bin: libraries FORCE 1513 ${Q}${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 1514 1515# Call print_memory_map tool 1516memmap: all 1517 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1518 1519doc: 1520 @echo " BUILD DOCUMENTATION" 1521 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1522 1523enctool: ${ENCTOOL} 1524 1525${ENCTOOL}: FORCE 1526 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH} 1527 @${ECHO_BLANK_LINE} 1528 @echo "Built $@ successfully" 1529 @${ECHO_BLANK_LINE} 1530 1531cscope: 1532 @echo " CSCOPE" 1533 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1534 ${Q}cscope -b -q -k 1535 1536help: 1537 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1538 @echo "" 1539 @echo "PLAT is used to specify which platform you wish to build." 1540 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1541 @echo "" 1542 @echo "platform = ${PLATFORM_LIST}" 1543 @echo "" 1544 @echo "Please refer to the User Guide for a list of all supported options." 1545 @echo "Note that the build system doesn't track dependencies for build " 1546 @echo "options. Therefore, if any of the build options are changed " 1547 @echo "from a previous build, a clean build must be performed." 1548 @echo "" 1549 @echo "Supported Targets:" 1550 @echo " all Build all individual bootloader binaries" 1551 @echo " bl1 Build the BL1 binary" 1552 @echo " bl2 Build the BL2 binary" 1553 @echo " bl2u Build the BL2U binary" 1554 @echo " bl31 Build the BL31 binary" 1555 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1556 @echo " this builds secure payload specified by AARCH32_SP" 1557 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1558 @echo " fip Build the Firmware Image Package (FIP)" 1559 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1560 @echo " checkcodebase Check the coding style of the entire source tree" 1561 @echo " checkpatch Check the coding style on changes in the current" 1562 @echo " branch against BASE_COMMIT (default origin/master)" 1563 @echo " clean Clean the build for the selected platform" 1564 @echo " cscope Generate cscope index" 1565 @echo " distclean Remove all build artifacts for all platforms" 1566 @echo " certtool Build the Certificate generation tool" 1567 @echo " enctool Build the Firmware encryption tool" 1568 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1569 @echo " sp Build the Secure Partition Packages" 1570 @echo " sptool Build the Secure Partition Package creation tool" 1571 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1572 @echo " memmap Print the memory map of the built binaries" 1573 @echo " doc Build html based documentation using Sphinx tool" 1574 @echo "" 1575 @echo "Note: most build targets require PLAT to be set to a specific platform." 1576 @echo "" 1577 @echo "example: build all targets for the FVP platform:" 1578 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1579 1580.PHONY: FORCE 1581FORCE:; 1582