1# 2# Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are met: 6# 7# Redistributions of source code must retain the above copyright notice, this 8# list of conditions and the following disclaimer. 9# 10# Redistributions in binary form must reproduce the above copyright notice, 11# this list of conditions and the following disclaimer in the documentation 12# and/or other materials provided with the distribution. 13# 14# Neither the name of ARM nor the names of its contributors may be used 15# to endorse or promote products derived from this software without specific 16# prior written permission. 17# 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28# POSSIBILITY OF SUCH DAMAGE. 29# 30 31# 32# Trusted Firmware Version 33# 34VERSION_MAJOR := 1 35VERSION_MINOR := 1 36 37# Default goal is build all images 38.DEFAULT_GOAL := all 39 40include make_helpers/build_macros.mk 41 42################################################################################ 43# Default values for build configurations 44################################################################################ 45 46# Build verbosity 47V := 0 48# Debug build 49DEBUG := 0 50# Build platform 51DEFAULT_PLAT := fvp 52PLAT := ${DEFAULT_PLAT} 53# SPD choice 54SPD := none 55# Base commit to perform code check on 56BASE_COMMIT := origin/master 57# NS timer register save and restore 58NS_TIMER_SWITCH := 0 59# By default, Bl1 acts as the reset handler, not BL31 60RESET_TO_BL31 := 0 61# Include FP registers in cpu context 62CTX_INCLUDE_FPREGS := 0 63# Determine the version of ARM GIC architecture to use for interrupt management 64# in EL3. The platform port can change this value if needed. 65ARM_GIC_ARCH := 2 66# Determine the version of ARM CCI product used in the platform. The platform 67# port can change this value if needed. 68ARM_CCI_PRODUCT_ID := 400 69# Flag used to indicate if ASM_ASSERTION should be enabled for the build. 70# This defaults to being present in DEBUG builds only. 71ASM_ASSERTION := ${DEBUG} 72# Build option to choose whether Trusted firmware uses Coherent memory or not. 73USE_COHERENT_MEM := 1 74# Flag used to choose the power state format viz Extended State-ID or the Original 75# format. 76PSCI_EXTENDED_STATE_ID := 0 77# Default FIP file name 78FIP_NAME := fip.bin 79# Default FWU_FIP file name 80FWU_FIP_NAME := fwu_fip.bin 81# By default, use the -pedantic option in the gcc command line 82DISABLE_PEDANTIC := 0 83# Flags to generate the Chain of Trust 84GENERATE_COT := 0 85CREATE_KEYS := 1 86SAVE_KEYS := 0 87# Flags to build TF with Trusted Boot support 88TRUSTED_BOARD_BOOT := 0 89# By default, consider that the platform's reset address is not programmable. 90# The platform Makefile is free to override this value. 91PROGRAMMABLE_RESET_ADDRESS := 0 92# Build flag to treat usage of deprecated platform and framework APIs as error. 93ERROR_DEPRECATED := 0 94# By default, consider that the platform may release several CPUs out of reset. 95# The platform Makefile is free to override this value. 96COLD_BOOT_SINGLE_CPU := 0 97# Flag to introduce an infinite loop in BL1 just before it exits into the next 98# image. This is meant to help debugging the post-BL2 phase. 99SPIN_ON_BL1_EXIT := 0 100 101 102################################################################################ 103# Checkpatch script options 104################################################################################ 105 106CHECK_IGNORE := --ignore COMPLEX_MACRO \ 107 --ignore GERRIT_CHANGE_ID \ 108 --ignore GIT_COMMIT_ID 109CHECKPATCH_ARGS := --no-tree --no-signoff ${CHECK_IGNORE} 110CHECKCODE_ARGS := --no-patch --no-tree --no-signoff ${CHECK_IGNORE} 111# Do not check the coding style on C library files 112CHECK_PATHS := $(shell ls -I include -I lib) \ 113 $(addprefix include/,$(shell ls -I stdlib include)) \ 114 $(addprefix lib/,$(shell ls -I stdlib lib)) 115 116 117################################################################################ 118# Process build options 119################################################################################ 120 121# Verbose flag 122ifeq (${V},0) 123 Q=@ 124 CHECKCODE_ARGS += --no-summary --terse 125else 126 Q= 127endif 128export Q 129 130# Process Debug flag 131$(eval $(call add_define,DEBUG)) 132ifneq (${DEBUG}, 0) 133 BUILD_TYPE := debug 134 CFLAGS += -g 135 ASFLAGS += -g -Wa,--gdwarf-2 136 # Use LOG_LEVEL_INFO by default for debug builds 137 LOG_LEVEL := 40 138else 139 BUILD_TYPE := release 140 $(eval $(call add_define,NDEBUG)) 141 # Use LOG_LEVEL_NOTICE by default for release builds 142 LOG_LEVEL := 20 143endif 144 145# Default build string (git branch and commit) 146ifeq (${BUILD_STRING},) 147 BUILD_STRING := $(shell git log -n 1 --pretty=format:"%h") 148endif 149VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 150 151# The cert_create tool cannot generate certificates individually, so we use the 152# target 'certificates' to create them all 153ifneq (${GENERATE_COT},0) 154 FIP_DEPS += certificates 155 FWU_FIP_DEPS += fwu_certificates 156endif 157 158 159################################################################################ 160# Toolchain 161################################################################################ 162 163CC := ${CROSS_COMPILE}gcc 164CPP := ${CROSS_COMPILE}cpp 165AS := ${CROSS_COMPILE}gcc 166AR := ${CROSS_COMPILE}ar 167LD := ${CROSS_COMPILE}ld 168OC := ${CROSS_COMPILE}objcopy 169OD := ${CROSS_COMPILE}objdump 170NM := ${CROSS_COMPILE}nm 171PP := ${CROSS_COMPILE}gcc -E 172 173ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 174 -Werror -Wmissing-include-dirs \ 175 -mgeneral-regs-only -D__ASSEMBLY__ \ 176 ${DEFINES} ${INCLUDES} 177CFLAGS += -nostdinc -ffreestanding -Wall \ 178 -Werror -Wmissing-include-dirs \ 179 -mgeneral-regs-only -mstrict-align \ 180 -std=c99 -c -Os \ 181 ${DEFINES} ${INCLUDES} 182CFLAGS += -ffunction-sections -fdata-sections 183 184LDFLAGS += --fatal-warnings -O1 185LDFLAGS += --gc-sections 186 187 188################################################################################ 189# Common sources and include directories 190################################################################################ 191 192BL_COMMON_SOURCES += common/bl_common.c \ 193 common/tf_printf.c \ 194 common/aarch64/debug.S \ 195 lib/aarch64/cache_helpers.S \ 196 lib/aarch64/misc_helpers.S \ 197 lib/aarch64/xlat_helpers.c \ 198 lib/stdlib/std.c \ 199 plat/common/aarch64/platform_helpers.S 200 201INCLUDES += -Iinclude/bl1 \ 202 -Iinclude/bl31 \ 203 -Iinclude/bl31/services \ 204 -Iinclude/common \ 205 -Iinclude/drivers \ 206 -Iinclude/drivers/arm \ 207 -Iinclude/drivers/auth \ 208 -Iinclude/drivers/io \ 209 -Iinclude/drivers/ti/uart \ 210 -Iinclude/lib \ 211 -Iinclude/lib/aarch64 \ 212 -Iinclude/lib/cpus/aarch64 \ 213 -Iinclude/plat/common \ 214 -Iinclude/stdlib \ 215 -Iinclude/stdlib/sys \ 216 ${PLAT_INCLUDES} \ 217 ${SPD_INCLUDES} 218 219 220################################################################################ 221# Generic definitions 222################################################################################ 223 224BUILD_BASE := ./build 225BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 226 227PLAT_MAKEFILE := platform.mk 228# Generate the platforms list by recursively searching for all directories 229# under /plat containing a PLAT_MAKEFILE. Append each platform with a `|` 230# char and strip out the final '|'. 231PLATFORMS := $(shell find plat/ -name '${PLAT_MAKEFILE}' -print0 | \ 232 sed -r 's%[^\x00]*\/([^/]*)\/${PLAT_MAKEFILE}\x00%\1|%g' | \ 233 sed -r 's/\|$$//') 234SPDS := $(shell ls -I none services/spd) 235 236# Platforms providing their own TBB makefile may override this value 237INCLUDE_TBBR_MK := 1 238 239 240################################################################################ 241# Include SPD Makefile if one has been specified 242################################################################################ 243 244ifneq (${SPD},none) 245ifdef EL3_PAYLOAD_BASE 246 $(warning "SPD and EL3_PAYLOAD_BASE are incompatible build options.") 247 $(warning "The SPD and its BL32 companion will be present but ignored.") 248endif 249 # We expect to locate an spd.mk under the specified SPD directory 250 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 251 252 ifeq (${SPD_MAKE},) 253 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 254 endif 255 $(info Including ${SPD_MAKE}) 256 include ${SPD_MAKE} 257 258 # If there's BL32 companion for the chosen SPD, we expect that the SPD's 259 # Makefile would set NEED_BL32 to "yes". In this case, the build system 260 # supports two mutually exclusive options: 261 # * BL32 is built from source: then BL32_SOURCES must contain the list 262 # of source files to build BL32 263 # * BL32 is a prebuilt binary: then BL32 must point to the image file 264 # that will be included in the FIP 265 # If both BL32_SOURCES and BL32 are defined, the binary takes precedence 266 # over the sources. 267endif 268 269 270################################################################################ 271# Include the platform specific Makefile after the SPD Makefile (the platform 272# makefile may use all previous definitions in this file) 273################################################################################ 274 275ifeq (${PLAT},) 276 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform") 277endif 278PLAT_MAKEFILE_FULL := $(shell find plat/ -wholename '*/${PLAT}/${PLAT_MAKEFILE}') 279ifeq ($(PLAT_MAKEFILE_FULL),) 280 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 281endif 282 283include ${PLAT_MAKEFILE_FULL} 284 285# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default 286ifndef ENABLE_PLAT_COMPAT 287ENABLE_PLAT_COMPAT := 1 288endif 289 290# Include the platform compatibility helpers for PSCI 291ifneq (${ENABLE_PLAT_COMPAT}, 0) 292include plat/compat/plat_compat.mk 293endif 294 295# Include the CPU specific operations makefile. By default all CPU errata 296# workarounds and CPU specifc optimisations are disabled. This can be 297# overridden by the platform. 298include lib/cpus/cpu-ops.mk 299 300 301################################################################################ 302# Process platform overrideable behaviour 303################################################################################ 304 305# Check if -pedantic option should be used 306ifeq (${DISABLE_PEDANTIC},0) 307 CFLAGS += -pedantic 308endif 309 310# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be 311# supplied for the FIP and Certificate generation tools. This flag can be 312# overridden by the platform. 313ifdef BL2_SOURCES 314ifndef EL3_PAYLOAD_BASE 315NEED_BL33 ?= yes 316else 317# The BL33 image is not needed when booting an EL3 payload. 318NEED_BL33 := no 319endif 320endif 321 322# Process TBB related flags 323ifneq (${GENERATE_COT},0) 324 # Common cert_create options 325 ifneq (${CREATE_KEYS},0) 326 $(eval CRT_ARGS += -n) 327 $(eval FWU_CRT_ARGS += -n) 328 ifneq (${SAVE_KEYS},0) 329 $(eval CRT_ARGS += -k) 330 $(eval FWU_CRT_ARGS += -k) 331 endif 332 endif 333 # Include TBBR makefile (unless the platform indicates otherwise) 334 ifeq (${INCLUDE_TBBR_MK},1) 335 include make_helpers/tbbr/tbbr_tools.mk 336 endif 337endif 338 339 340################################################################################ 341# Auxiliary tools (fip_create, cert_create, etc) 342################################################################################ 343 344# Variables for use with Certificate Generation Tool 345CRTTOOLPATH ?= tools/cert_create 346CRTTOOL ?= ${CRTTOOLPATH}/cert_create 347 348# Variables for use with Firmware Image Package 349FIPTOOLPATH ?= tools/fip_create 350FIPTOOL ?= ${FIPTOOLPATH}/fip_create 351 352 353################################################################################ 354# Build options checks 355################################################################################ 356 357$(eval $(call assert_boolean,DEBUG)) 358$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 359$(eval $(call assert_boolean,RESET_TO_BL31)) 360$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 361$(eval $(call assert_boolean,ASM_ASSERTION)) 362$(eval $(call assert_boolean,USE_COHERENT_MEM)) 363$(eval $(call assert_boolean,DISABLE_PEDANTIC)) 364$(eval $(call assert_boolean,GENERATE_COT)) 365$(eval $(call assert_boolean,CREATE_KEYS)) 366$(eval $(call assert_boolean,SAVE_KEYS)) 367$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 368$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 369$(eval $(call assert_boolean,COLD_BOOT_SINGLE_CPU)) 370$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 371$(eval $(call assert_boolean,ERROR_DEPRECATED)) 372$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT)) 373$(eval $(call assert_boolean,SPIN_ON_BL1_EXIT)) 374 375 376################################################################################ 377# Add definitions to the cpp preprocessor based on the current build options. 378# This is done after including the platform specific makefile to allow the 379# platform to overwrite the default options 380################################################################################ 381 382$(eval $(call add_define,PLAT_${PLAT})) 383$(eval $(call add_define,NS_TIMER_SWITCH)) 384$(eval $(call add_define,RESET_TO_BL31)) 385$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 386$(eval $(call add_define,ARM_GIC_ARCH)) 387$(eval $(call add_define,ARM_CCI_PRODUCT_ID)) 388$(eval $(call add_define,ASM_ASSERTION)) 389$(eval $(call add_define,LOG_LEVEL)) 390$(eval $(call add_define,USE_COHERENT_MEM)) 391$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 392$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 393$(eval $(call add_define,COLD_BOOT_SINGLE_CPU)) 394$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 395$(eval $(call add_define,ERROR_DEPRECATED)) 396$(eval $(call add_define,ENABLE_PLAT_COMPAT)) 397$(eval $(call add_define,SPIN_ON_BL1_EXIT)) 398# Define the EL3_PAYLOAD_BASE flag only if it is provided. 399ifdef EL3_PAYLOAD_BASE 400$(eval $(call add_define,EL3_PAYLOAD_BASE)) 401endif 402 403 404################################################################################ 405# Include BL specific makefiles 406################################################################################ 407 408ifdef BL1_SOURCES 409NEED_BL1 := yes 410include bl1/bl1.mk 411endif 412 413ifdef BL2_SOURCES 414NEED_BL2 := yes 415include bl2/bl2.mk 416endif 417 418ifdef BL2U_SOURCES 419NEED_BL2U := yes 420include bl2u/bl2u.mk 421endif 422 423ifdef BL31_SOURCES 424# When booting an EL3 payload, there is no need to compile the BL31 image nor 425# put it in the FIP. 426ifndef EL3_PAYLOAD_BASE 427NEED_BL31 := yes 428include bl31/bl31.mk 429endif 430endif 431 432 433################################################################################ 434# Build targets 435################################################################################ 436 437.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip fwu_fip certtool 438.SUFFIXES: 439 440all: msg_start 441 442msg_start: 443 @echo "Building ${PLAT}" 444 445# Check if deprecated declarations should be treated as error or not. 446ifeq (${ERROR_DEPRECATED},0) 447 CFLAGS += -Wno-error=deprecated-declarations 448endif 449 450# Expand build macros for the different images 451ifeq (${NEED_BL1},yes) 452$(eval $(call MAKE_BL,1)) 453endif 454 455ifeq (${NEED_BL2},yes) 456$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},in_fip)),\ 457 $(eval $(call MAKE_BL,2,in_fip))) 458endif 459 460ifeq (${NEED_BL31},yes) 461BL31_SOURCES += ${SPD_SOURCES} 462$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},in_fip)),\ 463 $(eval $(call MAKE_BL,31,in_fip))) 464endif 465 466# If a BL32 image is needed but neither BL32 nor BL32_SOURCES is defined, the 467# build system will call FIP_ADD_IMG to print a warning message and abort the 468# process. Note that the dependency on BL32 applies to the FIP only. 469ifeq (${NEED_BL32},yes) 470$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},in_fip)),\ 471 $(if ${BL32_SOURCES}, $(eval $(call MAKE_BL,32,in_fip)),\ 472 $(eval $(call FIP_ADD_IMG,BL32,--bl32)))) 473endif 474 475# Add the BL33 image if required by the platform 476ifeq (${NEED_BL33},yes) 477$(eval $(call FIP_ADD_IMG,BL33,--bl33)) 478endif 479 480ifeq (${NEED_BL2U},yes) 481BL2U_PATH := $(if ${BL2U},${BL2U},$(call IMG_BIN,2u)) 482$(if ${BL2U}, ,$(eval $(call MAKE_BL,2u))) 483$(eval $(call FWU_FIP_ADD_PAYLOAD,${BL2U_PATH},--bl2u)) 484endif 485 486locate-checkpatch: 487ifndef CHECKPATCH 488 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 489else 490ifeq (,$(wildcard ${CHECKPATCH})) 491 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 492endif 493endif 494 495clean: 496 @echo " CLEAN" 497 ${Q}rm -rf ${BUILD_PLAT} 498 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 499 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 500 501realclean distclean: 502 @echo " REALCLEAN" 503 ${Q}rm -rf ${BUILD_BASE} 504 ${Q}rm -f ${CURDIR}/cscope.* 505 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 506 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 507 508checkcodebase: locate-checkpatch 509 @echo " CHECKING STYLE" 510 @if test -d .git ; then \ 511 git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 512 else \ 513 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 514 fi 515 516checkpatch: locate-checkpatch 517 @echo " CHECKING STYLE" 518 ${Q}git log -p ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 519 520certtool: ${CRTTOOL} 521 522.PHONY: ${CRTTOOL} 523${CRTTOOL}: 524 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} 525 @echo 526 @echo "Built $@ successfully" 527 @echo 528 529ifneq (${GENERATE_COT},0) 530certificates: ${CRT_DEPS} ${CRTTOOL} 531 ${Q}${CRTTOOL} ${CRT_ARGS} 532 @echo 533 @echo "Built $@ successfully" 534 @echo "Certificates can be found in ${BUILD_PLAT}" 535 @echo 536endif 537 538${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} 539 ${Q}${FIPTOOL} --dump ${FIP_ARGS} $@ 540 @echo 541 @echo "Built $@ successfully" 542 @echo 543 544ifneq (${GENERATE_COT},0) 545fwu_certificates: ${FWU_CRT_DEPS} ${CRTTOOL} 546 ${Q}${CRTTOOL} ${FWU_CRT_ARGS} 547 @echo 548 @echo "Built $@ successfully" 549 @echo "FWU certificates can be found in ${BUILD_PLAT}" 550 @echo 551endif 552 553${BUILD_PLAT}/${FWU_FIP_NAME}: ${FWU_FIP_DEPS} ${FIPTOOL} 554 ${Q}${FIPTOOL} --dump ${FWU_FIP_ARGS} $@ 555 @echo 556 @echo "Built $@ successfully" 557 @echo 558 559fiptool: ${FIPTOOL} 560fip: ${BUILD_PLAT}/${FIP_NAME} 561fwu_fip: ${BUILD_PLAT}/${FWU_FIP_NAME} 562 563.PHONY: ${FIPTOOL} 564${FIPTOOL}: 565 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 566 567cscope: 568 @echo " CSCOPE" 569 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 570 ${Q}cscope -b -q -k 571 572help: 573 @echo "usage: ${MAKE} PLAT=<${PLATFORMS}> [OPTIONS] [TARGET]" 574 @echo "" 575 @echo "PLAT is used to specify which platform you wish to build." 576 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 577 @echo "" 578 @echo "Please refer to the User Guide for a list of all supported options." 579 @echo "Note that the build system doesn't track dependencies for build " 580 @echo "options. Therefore, if any of the build options are changed " 581 @echo "from a previous build, a clean build must be performed." 582 @echo "" 583 @echo "Supported Targets:" 584 @echo " all Build all individual bootloader binaries" 585 @echo " bl1 Build the BL1 binary" 586 @echo " bl2 Build the BL2 binary" 587 @echo " bl2u Build the BL2U binary" 588 @echo " bl31 Build the BL3-1 binary" 589 @echo " bl32 Build the BL3-2 binary" 590 @echo " certificates Build the certificates (requires 'GENERATE_COT=1')" 591 @echo " fip Build the Firmware Image Package (FIP)" 592 @echo " fwu_fip Build the FWU Firmware Image Package (FIP)" 593 @echo " checkcodebase Check the coding style of the entire source tree" 594 @echo " checkpatch Check the coding style on changes in the current" 595 @echo " branch against BASE_COMMIT (default origin/master)" 596 @echo " clean Clean the build for the selected platform" 597 @echo " cscope Generate cscope index" 598 @echo " distclean Remove all build artifacts for all platforms" 599 @echo " certtool Build the Certificate generation tool" 600 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 601 @echo "" 602 @echo "Note: most build targets require PLAT to be set to a specific platform." 603 @echo "" 604 @echo "example: build all targets for the FVP platform:" 605 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 606