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 $(error "TRUSTED_BOARD_BOOT must be enabled for DYN_DISABLE_AUTH to be set.") 730 endif 731endif 732 733ifneq ($(filter 1,${MEASURED_BOOT} ${TRUSTED_BOARD_BOOT}),) 734 CRYPTO_SUPPORT := 1 735else 736 CRYPTO_SUPPORT := 0 737endif 738 739# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled. 740ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1) 741$(error "SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled") 742endif 743 744# If pointer authentication is used in the firmware, make sure that all the 745# registers associated to it are also saved and restored. 746# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1. 747ifeq ($(ENABLE_PAUTH),1) 748 ifeq ($(CTX_INCLUDE_PAUTH_REGS),0) 749 $(error Pointer Authentication requires CTX_INCLUDE_PAUTH_REGS=1) 750 endif 751endif 752 753ifeq ($(CTX_INCLUDE_PAUTH_REGS),1) 754 ifneq (${ARCH},aarch64) 755 $(error CTX_INCLUDE_PAUTH_REGS requires AArch64) 756 endif 757endif 758 759ifeq ($(CTX_INCLUDE_MTE_REGS),1) 760 ifneq (${ARCH},aarch64) 761 $(error CTX_INCLUDE_MTE_REGS requires AArch64) 762 endif 763endif 764 765ifeq ($(PSA_FWU_SUPPORT),1) 766 $(info PSA_FWU_SUPPORT is an experimental feature) 767endif 768 769ifeq ($(FEATURE_DETECTION),1) 770 $(info FEATURE_DETECTION is an experimental feature) 771endif 772 773ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1) 774 ifeq (${ALLOW_RO_XLAT_TABLES}, 1) 775 $(error "ALLOW_RO_XLAT_TABLES requires translation tables library v2") 776 endif 777endif 778 779ifneq (${DECRYPTION_SUPPORT},none) 780 ifeq (${TRUSTED_BOARD_BOOT}, 0) 781 $(error TRUSTED_BOARD_BOOT must be enabled for DECRYPTION_SUPPORT to be set) 782 endif 783endif 784 785# Ensure that no Aarch64-only features are enabled in Aarch32 build 786ifeq (${ARCH},aarch32) 787 788 # SME/SVE only supported on AArch64 789 ifeq (${ENABLE_SME_FOR_NS},1) 790 $(error "ENABLE_SME_FOR_NS cannot be used with ARCH=aarch32") 791 endif 792 ifeq (${ENABLE_SVE_FOR_NS},1) 793 # Warning instead of error due to CI dependency on this 794 $(error "ENABLE_SVE_FOR_NS cannot be used with ARCH=aarch32") 795 endif 796 797 # BRBE is not supported in Aarch32 798 ifeq (${ENABLE_BRBE_FOR_NS},1) 799 $(error "ENABLE_BRBE_FOR_NS cannot be used with ARCH=aarch32") 800 endif 801 802endif 803 804# Ensure ENABLE_RME is not used with SME 805ifeq (${ENABLE_RME},1) 806 ifeq (${ENABLE_SME_FOR_NS},1) 807 $(error "ENABLE_SME_FOR_NS cannot be used with ENABLE_RME") 808 endif 809endif 810 811# Secure SME/SVE requires the non-secure component as well 812ifeq (${ENABLE_SME_FOR_SWD},1) 813 ifeq (${ENABLE_SME_FOR_NS},0) 814 $(error "ENABLE_SME_FOR_SWD requires ENABLE_SME_FOR_NS") 815 endif 816endif 817ifeq (${ENABLE_SVE_FOR_SWD},1) 818 ifeq (${ENABLE_SVE_FOR_NS},0) 819 $(error "ENABLE_SVE_FOR_SWD requires ENABLE_SVE_FOR_NS") 820 endif 821endif 822 823# SVE and SME cannot be used with CTX_INCLUDE_FPREGS since secure manager does 824# its own context management including FPU registers. 825ifeq (${CTX_INCLUDE_FPREGS},1) 826 ifeq (${ENABLE_SME_FOR_NS},1) 827 $(error "ENABLE_SME_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 828 endif 829 ifeq (${ENABLE_SVE_FOR_NS},1) 830 # Warning instead of error due to CI dependency on this 831 $(warning "ENABLE_SVE_FOR_NS cannot be used with CTX_INCLUDE_FPREGS") 832 $(warning "Forced ENABLE_SVE_FOR_NS=0") 833 override ENABLE_SVE_FOR_NS := 0 834 endif 835endif 836 837ifeq ($(DRTM_SUPPORT),1) 838 $(info DRTM_SUPPORT is an experimental feature) 839endif 840 841################################################################################ 842# Process platform overrideable behaviour 843################################################################################ 844 845ifdef BL1_SOURCES 846NEED_BL1 := yes 847endif 848 849ifdef BL2_SOURCES 850 NEED_BL2 := yes 851 852 # Using BL2 implies that a BL33 image also needs to be supplied for the FIP and 853 # Certificate generation tools. This flag can be overridden by the platform. 854 ifdef EL3_PAYLOAD_BASE 855 # If booting an EL3 payload there is no need for a BL33 image 856 # in the FIP file. 857 NEED_BL33 := no 858 else 859 ifdef PRELOADED_BL33_BASE 860 # If booting a BL33 preloaded image there is no need of 861 # another one in the FIP file. 862 NEED_BL33 := no 863 else 864 NEED_BL33 ?= yes 865 endif 866 endif 867endif 868 869ifdef BL2U_SOURCES 870NEED_BL2U := yes 871endif 872 873# If SCP_BL2 is given, we always want FIP to include it. 874ifdef SCP_BL2 875 NEED_SCP_BL2 := yes 876endif 877 878# For AArch32, BL31 is not currently supported. 879ifneq (${ARCH},aarch32) 880 ifdef BL31_SOURCES 881 # When booting an EL3 payload, there is no need to compile the BL31 image nor 882 # put it in the FIP. 883 ifndef EL3_PAYLOAD_BASE 884 NEED_BL31 := yes 885 endif 886 endif 887endif 888 889# Process TBB related flags 890ifneq (${GENERATE_COT},0) 891 # Common cert_create options 892 ifneq (${CREATE_KEYS},0) 893 $(eval CRT_ARGS += -n) 894 $(eval FWU_CRT_ARGS += -n) 895 ifneq (${SAVE_KEYS},0) 896 $(eval CRT_ARGS += -k) 897 $(eval FWU_CRT_ARGS += -k) 898 endif 899 endif 900 # Include TBBR makefile (unless the platform indicates otherwise) 901 ifeq (${INCLUDE_TBBR_MK},1) 902 include make_helpers/tbbr/tbbr_tools.mk 903 endif 904endif 905 906ifneq (${FIP_ALIGN},0) 907FIP_ARGS += --align ${FIP_ALIGN} 908endif 909 910ifdef FDT_SOURCES 911NEED_FDT := yes 912endif 913 914################################################################################ 915# Include libraries' Makefile that are used in all BL 916################################################################################ 917 918include lib/stack_protector/stack_protector.mk 919 920################################################################################ 921# Auxiliary tools (fiptool, cert_create, etc) 922################################################################################ 923 924# Variables for use with Certificate Generation Tool 925CRTTOOLPATH ?= tools/cert_create 926CRTTOOL ?= ${CRTTOOLPATH}/cert_create${BIN_EXT} 927 928# Variables for use with Firmware Encryption Tool 929ENCTOOLPATH ?= tools/encrypt_fw 930ENCTOOL ?= ${ENCTOOLPATH}/encrypt_fw${BIN_EXT} 931 932# Variables for use with Firmware Image Package 933FIPTOOLPATH ?= tools/fiptool 934FIPTOOL ?= ${FIPTOOLPATH}/fiptool${BIN_EXT} 935 936# Variables for use with sptool 937SPTOOLPATH ?= tools/sptool 938SPTOOL ?= ${SPTOOLPATH}/sptool.py 939SP_MK_GEN ?= ${SPTOOLPATH}/sp_mk_generator.py 940 941# Variables for use with ROMLIB 942ROMLIBPATH ?= lib/romlib 943 944# Variable for use with Python 945PYTHON ?= python3 946 947# Variables for use with PRINT_MEMORY_MAP 948PRINT_MEMORY_MAP_PATH ?= tools/memory 949PRINT_MEMORY_MAP ?= ${PRINT_MEMORY_MAP_PATH}/print_memory_map.py 950 951# Variables for use with documentation build using Sphinx tool 952DOCS_PATH ?= docs 953 954# Defination of SIMICS flag 955SIMICS_BUILD ?= 0 956 957################################################################################ 958# Include BL specific makefiles 959################################################################################ 960 961ifeq (${NEED_BL1},yes) 962include bl1/bl1.mk 963endif 964 965ifeq (${NEED_BL2},yes) 966include bl2/bl2.mk 967endif 968 969ifeq (${NEED_BL2U},yes) 970include bl2u/bl2u.mk 971endif 972 973ifeq (${NEED_BL31},yes) 974include bl31/bl31.mk 975endif 976 977################################################################################ 978# Build options checks 979################################################################################ 980 981$(eval $(call assert_booleans,\ 982 $(sort \ 983 ALLOW_RO_XLAT_TABLES \ 984 BL2_ENABLE_SP_LOAD \ 985 COLD_BOOT_SINGLE_CPU \ 986 CREATE_KEYS \ 987 CTX_INCLUDE_AARCH32_REGS \ 988 CTX_INCLUDE_FPREGS \ 989 CTX_INCLUDE_EL2_REGS \ 990 DEBUG \ 991 DISABLE_MTPMU \ 992 DYN_DISABLE_AUTH \ 993 EL3_EXCEPTION_HANDLING \ 994 ENABLE_AMU \ 995 ENABLE_AMU_AUXILIARY_COUNTERS \ 996 ENABLE_AMU_FCONF \ 997 AMU_RESTRICT_COUNTERS \ 998 ENABLE_ASSERTIONS \ 999 ENABLE_PIE \ 1000 ENABLE_PMF \ 1001 ENABLE_PSCI_STAT \ 1002 ENABLE_RUNTIME_INSTRUMENTATION \ 1003 ENABLE_SME_FOR_NS \ 1004 ENABLE_SME_FOR_SWD \ 1005 ENABLE_SPE_FOR_LOWER_ELS \ 1006 ENABLE_SVE_FOR_NS \ 1007 ENABLE_SVE_FOR_SWD \ 1008 ERROR_DEPRECATED \ 1009 FAULT_INJECTION_SUPPORT \ 1010 GENERATE_COT \ 1011 GICV2_G0_FOR_EL3 \ 1012 HANDLE_EA_EL3_FIRST \ 1013 HW_ASSISTED_COHERENCY \ 1014 INVERTED_MEMMAP \ 1015 MEASURED_BOOT \ 1016 DRTM_SUPPORT \ 1017 NS_TIMER_SWITCH \ 1018 OVERRIDE_LIBC \ 1019 PL011_GENERIC_UART \ 1020 PLAT_RSS_NOT_SUPPORTED \ 1021 PROGRAMMABLE_RESET_ADDRESS \ 1022 PSCI_EXTENDED_STATE_ID \ 1023 RESET_TO_BL31 \ 1024 RESET_TO_BL31_WITH_PARAMS \ 1025 SAVE_KEYS \ 1026 SEPARATE_CODE_AND_RODATA \ 1027 SEPARATE_BL2_NOLOAD_REGION \ 1028 SEPARATE_NOBITS_REGION \ 1029 SPIN_ON_BL1_EXIT \ 1030 SPM_MM \ 1031 SPMC_AT_EL3 \ 1032 SPMD_SPM_AT_SEL2 \ 1033 TRUSTED_BOARD_BOOT \ 1034 CRYPTO_SUPPORT \ 1035 USE_COHERENT_MEM \ 1036 USE_DEBUGFS \ 1037 ARM_IO_IN_DTB \ 1038 SDEI_IN_FCONF \ 1039 SEC_INT_DESC_IN_FCONF \ 1040 USE_ROMLIB \ 1041 USE_TBBR_DEFS \ 1042 WARMBOOT_ENABLE_DCACHE_EARLY \ 1043 BL2_AT_EL3 \ 1044 BL2_IN_XIP_MEM \ 1045 BL2_INV_DCACHE \ 1046 USE_SPINLOCK_CAS \ 1047 ENCRYPT_BL31 \ 1048 ENCRYPT_BL32 \ 1049 ERRATA_SPECULATIVE_AT \ 1050 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 1051 COT_DESC_IN_DTB \ 1052 USE_SP804_TIMER \ 1053 PSA_FWU_SUPPORT \ 1054 ENABLE_SYS_REG_TRACE_FOR_NS \ 1055 ENABLE_MPMM \ 1056 ENABLE_MPMM_FCONF \ 1057 SIMICS_BUILD \ 1058 FEATURE_DETECTION \ 1059))) 1060 1061$(eval $(call assert_numerics,\ 1062 $(sort \ 1063 ARM_ARCH_MAJOR \ 1064 ARM_ARCH_MINOR \ 1065 BRANCH_PROTECTION \ 1066 CTX_INCLUDE_PAUTH_REGS \ 1067 CTX_INCLUDE_MTE_REGS \ 1068 CTX_INCLUDE_NEVE_REGS \ 1069 ENABLE_BRBE_FOR_NS \ 1070 ENABLE_TRBE_FOR_NS \ 1071 ENABLE_BTI \ 1072 ENABLE_PAUTH \ 1073 ENABLE_FEAT_AMUv1 \ 1074 ENABLE_FEAT_AMUv1p1 \ 1075 ENABLE_FEAT_CSV2_2 \ 1076 ENABLE_FEAT_DIT \ 1077 ENABLE_FEAT_ECV \ 1078 ENABLE_FEAT_FGT \ 1079 ENABLE_FEAT_HCX \ 1080 ENABLE_FEAT_PAN \ 1081 ENABLE_FEAT_RNG \ 1082 ENABLE_FEAT_SB \ 1083 ENABLE_FEAT_SEL2 \ 1084 ENABLE_FEAT_VHE \ 1085 ENABLE_MPAM_FOR_LOWER_ELS \ 1086 ENABLE_RME \ 1087 ENABLE_TRF_FOR_NS \ 1088 FW_ENC_STATUS \ 1089 NR_OF_FW_BANKS \ 1090 NR_OF_IMAGES_IN_FW_BANK \ 1091 RAS_EXTENSION \ 1092 TWED_DELAY \ 1093 ENABLE_FEAT_TWED \ 1094 SVE_VECTOR_LEN \ 1095))) 1096 1097ifdef KEY_SIZE 1098 $(eval $(call assert_numeric,KEY_SIZE)) 1099endif 1100 1101ifeq ($(filter $(SANITIZE_UB), on off trap),) 1102 $(error "Invalid value for SANITIZE_UB: can be one of on, off, trap") 1103endif 1104 1105################################################################################ 1106# Add definitions to the cpp preprocessor based on the current build options. 1107# This is done after including the platform specific makefile to allow the 1108# platform to overwrite the default options 1109################################################################################ 1110 1111$(eval $(call add_defines,\ 1112 $(sort \ 1113 ALLOW_RO_XLAT_TABLES \ 1114 ARM_ARCH_MAJOR \ 1115 ARM_ARCH_MINOR \ 1116 BL2_ENABLE_SP_LOAD \ 1117 COLD_BOOT_SINGLE_CPU \ 1118 CTX_INCLUDE_AARCH32_REGS \ 1119 CTX_INCLUDE_FPREGS \ 1120 CTX_INCLUDE_PAUTH_REGS \ 1121 EL3_EXCEPTION_HANDLING \ 1122 CTX_INCLUDE_MTE_REGS \ 1123 CTX_INCLUDE_EL2_REGS \ 1124 CTX_INCLUDE_NEVE_REGS \ 1125 DECRYPTION_SUPPORT_${DECRYPTION_SUPPORT} \ 1126 DISABLE_MTPMU \ 1127 ENABLE_AMU \ 1128 ENABLE_AMU_AUXILIARY_COUNTERS \ 1129 ENABLE_AMU_FCONF \ 1130 AMU_RESTRICT_COUNTERS \ 1131 ENABLE_ASSERTIONS \ 1132 ENABLE_BTI \ 1133 ENABLE_MPAM_FOR_LOWER_ELS \ 1134 ENABLE_PAUTH \ 1135 ENABLE_PIE \ 1136 ENABLE_PMF \ 1137 ENABLE_PSCI_STAT \ 1138 ENABLE_RME \ 1139 ENABLE_RUNTIME_INSTRUMENTATION \ 1140 ENABLE_SME_FOR_NS \ 1141 ENABLE_SME_FOR_SWD \ 1142 ENABLE_SPE_FOR_LOWER_ELS \ 1143 ENABLE_SVE_FOR_NS \ 1144 ENABLE_SVE_FOR_SWD \ 1145 ENCRYPT_BL31 \ 1146 ENCRYPT_BL32 \ 1147 ERROR_DEPRECATED \ 1148 FAULT_INJECTION_SUPPORT \ 1149 GICV2_G0_FOR_EL3 \ 1150 HANDLE_EA_EL3_FIRST \ 1151 HW_ASSISTED_COHERENCY \ 1152 LOG_LEVEL \ 1153 MEASURED_BOOT \ 1154 DRTM_SUPPORT \ 1155 NS_TIMER_SWITCH \ 1156 PL011_GENERIC_UART \ 1157 PLAT_${PLAT} \ 1158 PLAT_RSS_NOT_SUPPORTED \ 1159 PROGRAMMABLE_RESET_ADDRESS \ 1160 PSCI_EXTENDED_STATE_ID \ 1161 RAS_EXTENSION \ 1162 RESET_TO_BL31 \ 1163 RESET_TO_BL31_WITH_PARAMS \ 1164 SEPARATE_CODE_AND_RODATA \ 1165 SEPARATE_BL2_NOLOAD_REGION \ 1166 SEPARATE_NOBITS_REGION \ 1167 RECLAIM_INIT_CODE \ 1168 SPD_${SPD} \ 1169 SPIN_ON_BL1_EXIT \ 1170 SPM_MM \ 1171 SPMC_AT_EL3 \ 1172 SPMD_SPM_AT_SEL2 \ 1173 TRUSTED_BOARD_BOOT \ 1174 CRYPTO_SUPPORT \ 1175 TRNG_SUPPORT \ 1176 USE_COHERENT_MEM \ 1177 USE_DEBUGFS \ 1178 ARM_IO_IN_DTB \ 1179 SDEI_IN_FCONF \ 1180 SEC_INT_DESC_IN_FCONF \ 1181 USE_ROMLIB \ 1182 USE_TBBR_DEFS \ 1183 WARMBOOT_ENABLE_DCACHE_EARLY \ 1184 BL2_AT_EL3 \ 1185 BL2_IN_XIP_MEM \ 1186 BL2_INV_DCACHE \ 1187 USE_SPINLOCK_CAS \ 1188 ERRATA_SPECULATIVE_AT \ 1189 RAS_TRAP_LOWER_EL_ERR_ACCESS \ 1190 COT_DESC_IN_DTB \ 1191 USE_SP804_TIMER \ 1192 ENABLE_FEAT_RNG \ 1193 ENABLE_FEAT_SB \ 1194 ENABLE_FEAT_DIT \ 1195 NR_OF_FW_BANKS \ 1196 NR_OF_IMAGES_IN_FW_BANK \ 1197 PSA_FWU_SUPPORT \ 1198 ENABLE_BRBE_FOR_NS \ 1199 ENABLE_TRBE_FOR_NS \ 1200 ENABLE_SYS_REG_TRACE_FOR_NS \ 1201 ENABLE_TRF_FOR_NS \ 1202 ENABLE_FEAT_HCX \ 1203 ENABLE_MPMM \ 1204 ENABLE_MPMM_FCONF \ 1205 ENABLE_FEAT_FGT \ 1206 ENABLE_FEAT_AMUv1 \ 1207 ENABLE_FEAT_ECV \ 1208 SIMICS_BUILD \ 1209 ENABLE_FEAT_AMUv1p1 \ 1210 ENABLE_FEAT_SEL2 \ 1211 ENABLE_FEAT_VHE \ 1212 ENABLE_FEAT_CSV2_2 \ 1213 ENABLE_FEAT_PAN \ 1214 FEATURE_DETECTION \ 1215 TWED_DELAY \ 1216 ENABLE_FEAT_TWED \ 1217))) 1218 1219ifeq (${SANITIZE_UB},trap) 1220 $(eval $(call add_define,MONITOR_TRAPS)) 1221endif 1222 1223# Define the EL3_PAYLOAD_BASE flag only if it is provided. 1224ifdef EL3_PAYLOAD_BASE 1225 $(eval $(call add_define,EL3_PAYLOAD_BASE)) 1226else 1227 # Define the PRELOADED_BL33_BASE flag only if it is provided and 1228 # EL3_PAYLOAD_BASE is not defined, as it has priority. 1229 ifdef PRELOADED_BL33_BASE 1230 $(eval $(call add_define,PRELOADED_BL33_BASE)) 1231 endif 1232endif 1233 1234# Define the DYN_DISABLE_AUTH flag only if set. 1235ifeq (${DYN_DISABLE_AUTH},1) 1236$(eval $(call add_define,DYN_DISABLE_AUTH)) 1237endif 1238 1239ifneq ($(findstring armlink,$(notdir $(LD))),) 1240$(eval $(call add_define,USE_ARM_LINK)) 1241endif 1242 1243# Generate and include sp_gen.mk if SPD is spmd and SP_LAYOUT_FILE is defined 1244ifeq (${SPD},spmd) 1245ifdef SP_LAYOUT_FILE 1246 -include $(BUILD_PLAT)/sp_gen.mk 1247 FIP_DEPS += sp 1248 CRT_DEPS += sp 1249 NEED_SP_PKG := yes 1250else 1251 ifeq (${SPMD_SPM_AT_SEL2},1) 1252 $(error "SPMD with SPM at S-EL2 require SP_LAYOUT_FILE") 1253 endif 1254endif 1255endif 1256 1257################################################################################ 1258# Build targets 1259################################################################################ 1260 1261.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool sptool fip sp fwu_fip certtool dtbs memmap doc enctool 1262.SUFFIXES: 1263 1264all: msg_start 1265 1266msg_start: 1267 @echo "Building ${PLAT}" 1268 1269ifeq (${ERROR_DEPRECATED},0) 1270# Check if deprecated declarations and cpp warnings should be treated as error or not. 1271ifneq ($(findstring clang,$(notdir $(CC))),) 1272 CPPFLAGS += -Wno-error=deprecated-declarations 1273else 1274 CPPFLAGS += -Wno-error=deprecated-declarations -Wno-error=cpp 1275endif 1276endif # !ERROR_DEPRECATED 1277 1278$(eval $(call MAKE_LIB_DIRS)) 1279$(eval $(call MAKE_LIB,c)) 1280 1281# Expand build macros for the different images 1282ifeq (${NEED_BL1},yes) 1283BL1_SOURCES := $(sort ${BL1_SOURCES}) 1284 1285$(eval $(call MAKE_BL,bl1)) 1286endif 1287 1288ifeq (${NEED_BL2},yes) 1289ifeq (${BL2_AT_EL3}, 0) 1290FIP_BL2_ARGS := tb-fw 1291endif 1292 1293BL2_SOURCES := $(sort ${BL2_SOURCES}) 1294 1295$(if ${BL2}, $(eval $(call TOOL_ADD_IMG,bl2,--${FIP_BL2_ARGS})),\ 1296 $(eval $(call MAKE_BL,bl2,${FIP_BL2_ARGS}))) 1297endif 1298 1299ifeq (${NEED_SCP_BL2},yes) 1300$(eval $(call TOOL_ADD_IMG,scp_bl2,--scp-fw)) 1301endif 1302 1303ifeq (${NEED_BL31},yes) 1304BL31_SOURCES += ${SPD_SOURCES} 1305# Sort BL31 source files to remove duplicates 1306BL31_SOURCES := $(sort ${BL31_SOURCES}) 1307ifneq (${DECRYPTION_SUPPORT},none) 1308$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw,,$(ENCRYPT_BL31))),\ 1309 $(eval $(call MAKE_BL,bl31,soc-fw,,$(ENCRYPT_BL31)))) 1310else 1311$(if ${BL31}, $(eval $(call TOOL_ADD_IMG,bl31,--soc-fw)),\ 1312 $(eval $(call MAKE_BL,bl31,soc-fw))) 1313endif 1314endif 1315 1316# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 1317# build system will call TOOL_ADD_IMG to print a warning message and abort the 1318# process. Note that the dependency on BL32 applies to the FIP only. 1319ifeq (${NEED_BL32},yes) 1320# Sort BL32 source files to remove duplicates 1321BL32_SOURCES := $(sort ${BL32_SOURCES}) 1322BUILD_BL32 := $(if $(BL32),,$(if $(BL32_SOURCES),1)) 1323 1324ifneq (${DECRYPTION_SUPPORT},none) 1325$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw,,$(ENCRYPT_BL32))),\ 1326 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw,,$(ENCRYPT_BL32)))) 1327else 1328$(if ${BUILD_BL32}, $(eval $(call MAKE_BL,bl32,tos-fw)),\ 1329 $(eval $(call TOOL_ADD_IMG,bl32,--tos-fw))) 1330endif 1331endif 1332 1333# If RMM image is needed but RMM is not defined, Test Realm Payload (TRP) 1334# needs to be built from RMM_SOURCES. 1335ifeq (${NEED_RMM},yes) 1336# Sort RMM source files to remove duplicates 1337RMM_SOURCES := $(sort ${RMM_SOURCES}) 1338BUILD_RMM := $(if $(RMM),,$(if $(RMM_SOURCES),1)) 1339 1340$(if ${BUILD_RMM}, $(eval $(call MAKE_BL,rmm,rmm-fw)),\ 1341 $(eval $(call TOOL_ADD_IMG,rmm,--rmm-fw))) 1342endif 1343 1344# Add the BL33 image if required by the platform 1345ifeq (${NEED_BL33},yes) 1346$(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 1347endif 1348 1349ifeq (${NEED_BL2U},yes) 1350$(if ${BL2U}, $(eval $(call TOOL_ADD_IMG,bl2u,--ap-fwu-cfg,FWU_)),\ 1351 $(eval $(call MAKE_BL,bl2u,ap-fwu-cfg,FWU_))) 1352endif 1353 1354# Expand build macros for the different images 1355ifeq (${NEED_FDT},yes) 1356 $(eval $(call MAKE_DTBS,$(BUILD_PLAT)/fdts,$(FDT_SOURCES))) 1357endif 1358 1359# Add Secure Partition packages 1360ifeq (${NEED_SP_PKG},yes) 1361$(BUILD_PLAT)/sp_gen.mk: ${SP_MK_GEN} ${SP_LAYOUT_FILE} | ${BUILD_PLAT} 1362 ${Q}${PYTHON} "$<" "$@" $(filter-out $<,$^) $(BUILD_PLAT) ${COT} 1363sp: $(DTBS) $(BUILD_PLAT)/sp_gen.mk $(SP_PKGS) 1364 @${ECHO_BLANK_LINE} 1365 @echo "Built SP Images successfully" 1366 @${ECHO_BLANK_LINE} 1367endif 1368 1369locate-checkpatch: 1370ifndef CHECKPATCH 1371 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1372else 1373ifeq (,$(wildcard ${CHECKPATCH})) 1374 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/scripts/checkpatch.pl") 1375endif 1376endif 1377 1378clean: 1379 @echo " CLEAN" 1380 $(call SHELL_REMOVE_DIR,${BUILD_PLAT}) 1381ifdef UNIX_MK 1382 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1383else 1384# Clear the MAKEFLAGS as we do not want 1385# to pass the gnumake flags to nmake. 1386 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) clean 1387endif 1388 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 1389 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} clean 1390 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1391 1392realclean distclean: 1393 @echo " REALCLEAN" 1394 $(call SHELL_REMOVE_DIR,${BUILD_BASE}) 1395 $(call SHELL_DELETE_ALL, ${CURDIR}/cscope.*) 1396ifdef UNIX_MK 1397 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 1398else 1399# Clear the MAKEFLAGS as we do not want 1400# to pass the gnumake flags to nmake. 1401 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) realclean 1402endif 1403 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} realclean 1404 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${ENCTOOLPATH} realclean 1405 ${Q}${MAKE} --no-print-directory -C ${ROMLIBPATH} clean 1406 1407checkcodebase: locate-checkpatch 1408 @echo " CHECKING STYLE" 1409 @if test -d .git ; then \ 1410 git ls-files | grep -E -v 'libfdt|libc|docs|\.rst' | \ 1411 while read GIT_FILE ; \ 1412 do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; \ 1413 done ; \ 1414 else \ 1415 find . -type f -not -iwholename "*.git*" \ 1416 -not -iwholename "*build*" \ 1417 -not -iwholename "*libfdt*" \ 1418 -not -iwholename "*libc*" \ 1419 -not -iwholename "*docs*" \ 1420 -not -iwholename "*.rst" \ 1421 -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 1422 fi 1423 1424checkpatch: locate-checkpatch 1425 @echo " CHECKING STYLE" 1426 @if test -n "${CHECKPATCH_OPTS}"; then \ 1427 echo " with ${CHECKPATCH_OPTS} option(s)"; \ 1428 fi 1429 ${Q}COMMON_COMMIT=$$(git merge-base HEAD ${BASE_COMMIT}); \ 1430 for commit in `git rev-list --no-merges $$COMMON_COMMIT..HEAD`; \ 1431 do \ 1432 printf "\n[*] Checking style of '$$commit'\n\n"; \ 1433 git log --format=email "$$commit~..$$commit" \ 1434 -- ${CHECK_PATHS} | \ 1435 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1436 git diff --format=email "$$commit~..$$commit" \ 1437 -- ${CHECK_PATHS} | \ 1438 ${CHECKPATCH} ${CHECKPATCH_OPTS} - || true; \ 1439 done 1440 1441certtool: ${CRTTOOL} 1442 1443${CRTTOOL}: FORCE 1444 ${Q}${MAKE} PLAT=${PLAT} USE_TBBR_DEFS=${USE_TBBR_DEFS} COT=${COT} OPENSSL_DIR=${OPENSSL_DIR} CRTTOOL=${CRTTOOL} --no-print-directory -C ${CRTTOOLPATH} 1445 @${ECHO_BLANK_LINE} 1446 @echo "Built $@ successfully" 1447 @${ECHO_BLANK_LINE} 1448 1449ifneq (${GENERATE_COT},0) 1450certificates: ${CRT_DEPS} ${CRTTOOL} 1451 ${Q}${CRTTOOL} ${CRT_ARGS} 1452 @${ECHO_BLANK_LINE} 1453 @echo "Built $@ successfully" 1454 @echo "Certificates can be found in ${BUILD_PLAT}" 1455 @${ECHO_BLANK_LINE} 1456endif 1457 1458${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 1459 $(eval ${CHECK_FIP_CMD}) 1460 ${Q}${FIPTOOL} create ${FIP_ARGS} $@ 1461 ${Q}${FIPTOOL} info $@ 1462 @${ECHO_BLANK_LINE} 1463 @echo "Built $@ successfully" 1464 @${ECHO_BLANK_LINE} 1465 1466ifneq (${GENERATE_COT},0) 1467fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 1468 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 1469 @${ECHO_BLANK_LINE} 1470 @echo "Built $@ successfully" 1471 @echo "FWU certificates can be found in ${BUILD_PLAT}" 1472 @${ECHO_BLANK_LINE} 1473endif 1474 1475${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 1476 $(eval ${CHECK_FWU_FIP_CMD}) 1477 ${Q}${FIPTOOL} create ${FWU_FIP_ARGS} $@ 1478 ${Q}${FIPTOOL} info $@ 1479 @${ECHO_BLANK_LINE} 1480 @echo "Built $@ successfully" 1481 @${ECHO_BLANK_LINE} 1482 1483fiptool: ${FIPTOOL} 1484fip: ${BUILD_PLAT}/${FIP_NAME} 1485fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 1486 1487${FIPTOOL}: FORCE 1488ifdef UNIX_MK 1489 ${Q}${MAKE} CPPFLAGS="-DVERSION='\"${VERSION_STRING}\"'" FIPTOOL=${FIPTOOL} OPENSSL_DIR=${OPENSSL_DIR} --no-print-directory -C ${FIPTOOLPATH} 1490else 1491# Clear the MAKEFLAGS as we do not want 1492# to pass the gnumake flags to nmake. 1493 ${Q}set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL)) 1494endif 1495 1496romlib.bin: libraries FORCE 1497 ${Q}${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 1498 1499# Call print_memory_map tool 1500memmap: all 1501 ${Q}${PYTHON} ${PRINT_MEMORY_MAP} ${BUILD_PLAT} ${INVERTED_MEMMAP} 1502 1503doc: 1504 @echo " BUILD DOCUMENTATION" 1505 ${Q}${MAKE} --no-print-directory -C ${DOCS_PATH} html 1506 1507enctool: ${ENCTOOL} 1508 1509${ENCTOOL}: FORCE 1510 ${Q}${MAKE} PLAT=${PLAT} BUILD_INFO=0 OPENSSL_DIR=${OPENSSL_DIR} ENCTOOL=${ENCTOOL} --no-print-directory -C ${ENCTOOLPATH} 1511 @${ECHO_BLANK_LINE} 1512 @echo "Built $@ successfully" 1513 @${ECHO_BLANK_LINE} 1514 1515cscope: 1516 @echo " CSCOPE" 1517 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 1518 ${Q}cscope -b -q -k 1519 1520help: 1521 @echo "usage: ${MAKE} [PLAT=<platform>] [OPTIONS] [TARGET]" 1522 @echo "" 1523 @echo "PLAT is used to specify which platform you wish to build." 1524 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 1525 @echo "" 1526 @echo "platform = ${PLATFORM_LIST}" 1527 @echo "" 1528 @echo "Please refer to the User Guide for a list of all supported options." 1529 @echo "Note that the build system doesn't track dependencies for build " 1530 @echo "options. Therefore, if any of the build options are changed " 1531 @echo "from a previous build, a clean build must be performed." 1532 @echo "" 1533 @echo "Supported Targets:" 1534 @echo " all Build all individual bootloader binaries" 1535 @echo " bl1 Build the BL1 binary" 1536 @echo " bl2 Build the BL2 binary" 1537 @echo " bl2u Build the BL2U binary" 1538 @echo " bl31 Build the BL31 binary" 1539 @echo " bl32 Build the BL32 binary. If ARCH=aarch32, then " 1540 @echo " this builds secure payload specified by AARCH32_SP" 1541 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 1542 @echo " fip Build the Firmware Image Package (FIP)" 1543 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 1544 @echo " checkcodebase Check the coding style of the entire source tree" 1545 @echo " checkpatch Check the coding style on changes in the current" 1546 @echo " branch against BASE_COMMIT (default origin/master)" 1547 @echo " clean Clean the build for the selected platform" 1548 @echo " cscope Generate cscope index" 1549 @echo " distclean Remove all build artifacts for all platforms" 1550 @echo " certtool Build the Certificate generation tool" 1551 @echo " enctool Build the Firmware encryption tool" 1552 @echo " fiptool Build the Firmware Image Package (FIP) creation tool" 1553 @echo " sp Build the Secure Partition Packages" 1554 @echo " sptool Build the Secure Partition Package creation tool" 1555 @echo " dtbs Build the Device Tree Blobs (if required for the platform)" 1556 @echo " memmap Print the memory map of the built binaries" 1557 @echo " doc Build html based documentation using Sphinx tool" 1558 @echo "" 1559 @echo "Note: most build targets require PLAT to be set to a specific platform." 1560 @echo "" 1561 @echo "example: build all targets for the FVP platform:" 1562 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 1563 1564.PHONY: FORCE 1565FORCE:; 1566