1# 2# Copyright (c) 2013-2014, 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 := 0 36 37# 38# Default values for build configurations 39# 40 41# Build verbosity 42V := 0 43# Debug build 44DEBUG := 0 45# Build architecture 46ARCH := aarch64 47# Build platform 48DEFAULT_PLAT := fvp 49PLAT := ${DEFAULT_PLAT} 50# SPD choice 51SPD := none 52# Base commit to perform code check on 53BASE_COMMIT := origin/master 54# NS timer register save and restore 55NS_TIMER_SWITCH := 0 56# By default, Bl1 acts as the reset handler, not BL31 57RESET_TO_BL31 := 0 58# Include FP registers in cpu context 59CTX_INCLUDE_FPREGS := 0 60# Determine the version of ARM GIC architecture to use for interrupt management 61# in EL3. The platform port can change this value if needed. 62ARM_GIC_ARCH := 2 63# Flag used to indicate if ASM_ASSERTION should be enabled for the build. 64# This defaults to being present in DEBUG builds only. 65ASM_ASSERTION := ${DEBUG} 66# Build option to choose whether Trusted firmware uses Coherent memory or not. 67USE_COHERENT_MEM := 1 68# Default FIP file name 69FIP_NAME := fip.bin 70# Flags to generate the Chain of Trust 71GENERATE_COT := 0 72CREATE_KEYS := 1 73 74# Checkpatch ignores 75CHECK_IGNORE = --ignore COMPLEX_MACRO 76 77CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE} 78CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE} 79 80ifeq (${V},0) 81 Q=@ 82 CHECKCODE_ARGS += --no-summary --terse 83else 84 Q= 85endif 86export Q 87 88ifneq (${DEBUG}, 0) 89 BUILD_TYPE := debug 90 # Use LOG_LEVEL_INFO by default for debug builds 91 LOG_LEVEL := 40 92else 93 BUILD_TYPE := release 94 # Use LOG_LEVEL_NOTICE by default for release builds 95 LOG_LEVEL := 20 96endif 97 98# Default build string (git branch and commit) 99ifeq (${BUILD_STRING},) 100 BUILD_STRING := $(shell git log -n 1 --pretty=format:"%h") 101endif 102 103VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 104 105BL_COMMON_SOURCES := common/bl_common.c \ 106 common/tf_printf.c \ 107 common/aarch64/debug.S \ 108 lib/aarch64/cache_helpers.S \ 109 lib/aarch64/misc_helpers.S \ 110 lib/aarch64/xlat_helpers.c \ 111 lib/stdlib/std.c \ 112 plat/common/aarch64/platform_helpers.S 113 114BUILD_BASE := ./build 115BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 116 117PLATFORMS := $(shell ls -I common plat/) 118SPDS := $(shell ls -I none services/spd) 119HELP_PLATFORMS := $(shell echo ${PLATFORMS} | sed 's/ /|/g') 120 121# Convenience function for adding build definitions 122# $(eval $(call add_define,FOO)) will have: 123# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 124define add_define 125DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 126endef 127 128# Convenience function for verifying option has a boolean value 129# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 130define assert_boolean 131$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) 132endef 133 134ifeq (${PLAT},) 135 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform.") 136endif 137ifeq ($(findstring ${PLAT},${PLATFORMS}),) 138 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 139endif 140 141all: msg_start 142 143msg_start: 144 @echo "Building ${PLAT}" 145 146include plat/${PLAT}/platform.mk 147 148# Include the CPU specific operations makefile. By default all CPU errata 149# workarounds and CPU specifc optimisations are disabled. This can be 150# overridden by the platform. 151include lib/cpus/cpu-ops.mk 152 153ifdef BL1_SOURCES 154NEED_BL1 := yes 155include bl1/bl1.mk 156endif 157 158ifdef BL2_SOURCES 159NEED_BL2 := yes 160include bl2/bl2.mk 161# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be supplied for the FIP. 162# This flag can be overridden by the platform. 163NEED_BL33 ?= yes 164endif 165 166ifdef BL31_SOURCES 167NEED_BL31 := yes 168include bl31/bl31.mk 169endif 170 171# Include SPD Makefile if one has been specified 172ifneq (${SPD},none) 173 # We expect to locate an spd.mk under the specified SPD directory 174 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 175 176 ifeq (${SPD_MAKE},) 177 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 178 endif 179 $(info Including ${SPD_MAKE}) 180 include ${SPD_MAKE} 181 182 # If there's BL3-2 companion for the chosen SPD, and the SPD wants to build the 183 # BL3-2 from source, we expect that the SPD's Makefile would set NEED_BL32 184 # variable to "yes". In case the BL3-2 is a binary which needs to be included in 185 # fip, then the NEED_BL32 needs to be set and BL3-2 would need to point to the bin. 186endif 187 188.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip certtool 189.SUFFIXES: 190 191INCLUDES += -Iinclude/bl31 \ 192 -Iinclude/bl31/services \ 193 -Iinclude/common \ 194 -Iinclude/drivers \ 195 -Iinclude/drivers/arm \ 196 -Iinclude/drivers/io \ 197 -Iinclude/lib \ 198 -Iinclude/lib/aarch64 \ 199 -Iinclude/lib/cpus/aarch64 \ 200 -Iinclude/plat/common \ 201 -Iinclude/stdlib \ 202 -Iinclude/stdlib/sys \ 203 ${PLAT_INCLUDES} \ 204 ${SPD_INCLUDES} 205 206# Process DEBUG flag 207$(eval $(call assert_boolean,DEBUG)) 208$(eval $(call add_define,DEBUG)) 209ifeq (${DEBUG},0) 210 $(eval $(call add_define,NDEBUG)) 211else 212CFLAGS += -g 213ASFLAGS += -g -Wa,--gdwarf-2 214endif 215 216# Process NS_TIMER_SWITCH flag 217$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 218$(eval $(call add_define,NS_TIMER_SWITCH)) 219 220# Process RESET_TO_BL31 flag 221$(eval $(call assert_boolean,RESET_TO_BL31)) 222$(eval $(call add_define,RESET_TO_BL31)) 223 224# Process CTX_INCLUDE_FPREGS flag 225$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 226$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 227 228# Process ARM_GIC_ARCH flag 229$(eval $(call add_define,ARM_GIC_ARCH)) 230 231# Process ASM_ASSERTION flag 232$(eval $(call assert_boolean,ASM_ASSERTION)) 233$(eval $(call add_define,ASM_ASSERTION)) 234 235# Process LOG_LEVEL flag 236$(eval $(call add_define,LOG_LEVEL)) 237 238# Process USE_COHERENT_MEM flag 239$(eval $(call assert_boolean,USE_COHERENT_MEM)) 240$(eval $(call add_define,USE_COHERENT_MEM)) 241 242# Process Generate CoT flags 243$(eval $(call assert_boolean,GENERATE_COT)) 244$(eval $(call assert_boolean,CREATE_KEYS)) 245 246ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 247 -Werror -Wmissing-include-dirs \ 248 -mgeneral-regs-only -D__ASSEMBLY__ \ 249 ${DEFINES} ${INCLUDES} 250CFLAGS += -nostdinc -pedantic -ffreestanding -Wall \ 251 -Werror -Wmissing-include-dirs \ 252 -mgeneral-regs-only -std=c99 -c -Os \ 253 ${DEFINES} ${INCLUDES} 254CFLAGS += -ffunction-sections -fdata-sections 255 256LDFLAGS += --fatal-warnings -O1 257LDFLAGS += --gc-sections 258 259 260CC := ${CROSS_COMPILE}gcc 261CPP := ${CROSS_COMPILE}cpp 262AS := ${CROSS_COMPILE}gcc 263AR := ${CROSS_COMPILE}ar 264LD := ${CROSS_COMPILE}ld 265OC := ${CROSS_COMPILE}objcopy 266OD := ${CROSS_COMPILE}objdump 267NM := ${CROSS_COMPILE}nm 268PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 269 270# Variables for use with Firmware Image Package 271FIPTOOLPATH ?= tools/fip_create 272FIPTOOL ?= ${FIPTOOLPATH}/fip_create 273fiptool: ${FIPTOOL} 274fip: ${BUILD_PLAT}/${FIP_NAME} 275 276# Variables for use with Certificate Generation Tool 277CRTTOOLPATH ?= tools/cert_create 278CRTTOOL ?= ${CRTTOOLPATH}/cert_create 279certtool: ${CRTTOOL} 280 281# CoT generation tool default parameters 282TRUSTED_KEY_CERT := ${BUILD_PLAT}/trusted_key.crt 283 284# Pass the private keys to the CoT generation tool in the command line 285# If CREATE_KEYS is set, the '-n' option will be added, indicating the tool to create new keys 286ifneq (${GENERATE_COT},0) 287 $(eval CERTS := yes) 288 289 ifneq (${CREATE_KEYS},0) 290 $(eval CRT_ARGS += -n) 291 endif 292 $(eval CRT_ARGS += $(if ${ROT_KEY}, --rot-key ${ROT_KEY})) 293 $(eval CRT_ARGS += $(if ${TRUSTED_WORLD_KEY}, --trusted-world-key ${TRUSTED_WORLD_KEY})) 294 $(eval CRT_ARGS += $(if ${NON_TRUSTED_WORLD_KEY}, --non-trusted-world-key ${NON_TRUSTED_WORLD_KEY})) 295 $(eval CRT_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT}) 296endif 297 298locate-checkpatch: 299ifndef CHECKPATCH 300 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 301else 302ifeq (,$(wildcard ${CHECKPATCH})) 303 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 304endif 305endif 306 307clean: 308 @echo " CLEAN" 309 ${Q}rm -rf ${BUILD_PLAT} 310 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 311 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 312 313realclean distclean: 314 @echo " REALCLEAN" 315 ${Q}rm -rf ${BUILD_BASE} 316 ${Q}rm -f ${CURDIR}/cscope.* 317 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 318 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 319 320checkcodebase: locate-checkpatch 321 @echo " CHECKING STYLE" 322 @if test -d .git ; then \ 323 git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 324 else \ 325 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 326 fi 327 328checkpatch: locate-checkpatch 329 @echo " CHECKING STYLE" 330 @git format-patch --stdout ${BASE_COMMIT} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 331 332.PHONY: ${CRTTOOL} 333${CRTTOOL}: 334 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} 335 @echo 336 @echo "Built $@ successfully" 337 @echo 338 339.PHONY: ${FIPTOOL} 340${FIPTOOL}: 341 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 342 343define match_goals 344$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 345endef 346 347# List of rules that involve building things 348BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 349 350# Does the list of goals specified on the command line include a build target? 351ifneq ($(call match_goals,${BUILD_TARGETS}),) 352IS_ANYTHING_TO_BUILD := 1 353endif 354 355define MAKE_C 356 357$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 358$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 359 360$(OBJ) : $(2) 361 @echo " CC $$<" 362 $$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 363 364 365$(PREREQUISITES) : $(2) 366 @echo " DEPS $$@" 367 @mkdir -p $(1) 368 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 369 370ifdef IS_ANYTHING_TO_BUILD 371-include $(PREREQUISITES) 372endif 373 374endef 375 376 377define MAKE_S 378 379$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 380$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 381 382$(OBJ) : $(2) 383 @echo " AS $$<" 384 $$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 385 386$(PREREQUISITES) : $(2) 387 @echo " DEPS $$@" 388 @mkdir -p $(1) 389 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 390 391ifdef IS_ANYTHING_TO_BUILD 392-include $(PREREQUISITES) 393endif 394 395endef 396 397 398define MAKE_LD 399 400$(eval PREREQUISITES := $(1).d) 401 402$(1) : $(2) 403 @echo " PP $$<" 404 $$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$< 405 406$(PREREQUISITES) : $(2) 407 @echo " DEPS $$@" 408 @mkdir -p $$(dir $$@) 409 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 410 411ifdef IS_ANYTHING_TO_BUILD 412-include $(PREREQUISITES) 413endif 414 415endef 416 417 418define MAKE_OBJS 419 $(eval C_OBJS := $(filter %.c,$(2))) 420 $(eval REMAIN := $(filter-out %.c,$(2))) 421 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 422 423 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 424 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 425 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 426 427 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 428endef 429 430 431# NOTE: The line continuation '\' is required in the next define otherwise we 432# end up with a line-feed characer at the end of the last c filename. 433# Also bare this issue in mind if extending the list of supported filetypes. 434define SOURCES_TO_OBJS 435 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 436 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 437endef 438 439 440# MAKE_TOOL_ARGS macro defines the command line arguments for the FIP and CRT 441# tools at each BL stage. Arguments: 442# $(1) = BL stage (2, 30, 31, 32, 33) 443# $(2) = Binary file 444# $(3) = In FIP (false if empty) 445# $(4) = Create certificates (false if empty) 446# $(5) = Create key certificate (false if empty) 447# $(6) = Private key (optional) 448define MAKE_TOOL_ARGS 449 450$(eval FIP_DEPS += $(if $3,$(2),)) 451$(eval FIP_ARGS += $(if $3,--bl$(1) $(2),)) 452 453$(eval CRT_DEPS += $(if $4,$(2),)) 454$(eval CRT_DEPS += $(if $4,$(if $6,$(6),))) 455$(eval CRT_ARGS += $(if $4,--bl$(1) $(2))) 456$(eval CRT_ARGS += $(if $4,$(if $6,--bl$(1)-key $(6)))) 457$(eval CRT_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt)) 458$(eval CRT_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt))) 459 460endef 461 462 463# MAKE_BL macro defines the targets and options to build each BL image. 464# Arguments: 465# $(1) = BL stage (2, 30, 31, 32, 33) 466# $(2) = In FIP (false if empty) 467# $(3) = Create certificates (false if empty) 468# $(4) = Create key certificate (false if empty) 469# $(5) = Private key (optional) 470define MAKE_BL 471 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 472 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 473 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 474 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 475 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 476 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 477 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 478 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 479 480 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 481 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 482 483$(BUILD_DIR) : 484 $$(Q)mkdir -p "$$@" 485 486$(ELF) : $(OBJS) $(LINKERFILE) 487 @echo " LD $$@" 488 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \ 489 const char version_string[] = "${VERSION_STRING}";' | \ 490 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 491 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 492 $(BUILD_DIR)/build_message.o $(OBJS) 493 494$(DUMP) : $(ELF) 495 @echo " OD $$@" 496 $${Q}$${OD} -dx $$< > $$@ 497 498$(BIN) : $(ELF) 499 @echo " BIN $$@" 500 $$(Q)$$(OC) -O binary $$< $$@ 501 @echo 502 @echo "Built $$@ successfully" 503 @echo 504 505.PHONY : bl$(1) 506bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 507 508all : bl$(1) 509 510$(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2),$(3),$(4),$(5))) 511 512endef 513 514 515ifeq (${NEED_BL1},yes) 516$(eval $(call MAKE_BL,1)) 517endif 518 519ifeq (${NEED_BL2},yes) 520$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},in_fip,${CERTS})),\ 521 $(eval $(call MAKE_BL,2,in_fip,${CERTS}))) 522endif 523 524ifeq (${NEED_BL31},yes) 525BL31_SOURCES += ${SPD_SOURCES} 526$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},in_fip,${CERTS},${CERTS},${BL31_KEY})),\ 527 $(eval $(call MAKE_BL,31,in_fip,${CERTS},${CERTS},${BL31_KEY}))) 528endif 529 530ifeq (${NEED_BL32},yes) 531$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},in_fip,${CERTS},${CERTS},${BL32_KEY})),\ 532 $(eval $(call MAKE_BL,32,in_fip,${CERTS},${CERTS},${BL32_KEY}))) 533endif 534 535ifeq (${NEED_BL30},yes) 536$(if ${BL30}, $(eval $(call MAKE_TOOL_ARGS,30,${BL30},in_fip,${CERTS},${CERTS},${BL30_KEY}))) 537 538# If BL3-0 is needed by the platform then 'BL30' variable must be defined. 539check_bl30: 540 $(if ${BL30},,$(error "To build a FIP for platform ${PLAT}, please set BL30 to point to the SCP firmware")) 541else 542 543# If BL3-0 is not needed by the platform but the user still specified the path 544# to a BL3-0 image then warn him that it will be ignored. 545check_bl30: 546 $(if ${BL30},$(warning "BL3-0 is not supported on platform ${PLAT}, it will just be ignored"),) 547endif 548 549ifeq (${NEED_BL33},yes) 550$(if ${BL33}, $(eval $(call MAKE_TOOL_ARGS,33,${BL33},in_fip,${CERTS},${CERTS},${BL33_KEY}))) 551 552# If BL3-3 is needed by the platform then 'BL33' variable must be defined. 553check_bl33: 554 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 555else 556 557# If BL3-3 is not needed by the platform but the user still specified the path 558# to a BL3-3 image then warn him that it will be ignored. 559check_bl33: 560 $(if ${BL33},$(warning "BL3-3 is not supported on platform ${PLAT}, it will just be ignored"),) 561endif 562 563# Add the dependency on the certificates 564ifneq (${GENERATE_COT},0) 565 all: certificates 566endif 567 568certificates: ${CRT_DEPS} ${CRTTOOL} check_bl30 check_bl33 569 ${Q}${CRTTOOL} ${CRT_ARGS} 570 @echo 571 @echo "Built $@ successfully" 572 @echo "Certificates can be found in ${BUILD_PLAT}" 573 @echo 574 575${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} check_bl30 check_bl33 576 ${Q}${FIPTOOL} --dump \ 577 ${FIP_ARGS} \ 578 $@ 579 @echo 580 @echo "Built $@ successfully" 581 @echo 582 583 584cscope: 585 @echo " CSCOPE" 586 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 587 ${Q}cscope -b -q -k 588 589help: 590 @echo "usage: ${MAKE} PLAT=<${HELP_PLATFORMS}> <all|bl1|bl2|bl31|distclean|clean|checkcodebase|checkpatch>" 591 @echo "" 592 @echo "PLAT is used to specify which platform you wish to build." 593 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 594 @echo "" 595 @echo "Supported Targets:" 596 @echo " all Build the BL1, BL2 and BL31 binaries" 597 @echo " bl1 Build the BL1 binary" 598 @echo " bl2 Build the BL2 binary" 599 @echo " bl31 Build the BL31 binary" 600 @echo " checkcodebase Check the coding style of the entire source tree" 601 @echo " checkpatch Check the coding style on changes in the current" 602 @echo " branch against BASE_COMMIT (default origin/master)" 603 @echo " clean Clean the build for the selected platform" 604 @echo " cscope Generate cscope index" 605 @echo " distclean Remove all build artifacts for all platforms" 606 @echo " certtool Build the Certificate generation tool" 607 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 608 @echo "" 609 @echo "note: most build targets require PLAT to be set to a specific platform." 610 @echo "" 611 @echo "example: build all targets for the FVP platform:" 612 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 613