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# 38# Default values for build configurations 39# 40 41# Build verbosity 42V := 0 43# Debug build 44DEBUG := 0 45# Build platform 46DEFAULT_PLAT := fvp 47PLAT := ${DEFAULT_PLAT} 48# SPD choice 49SPD := none 50# Base commit to perform code check on 51BASE_COMMIT := origin/master 52# NS timer register save and restore 53NS_TIMER_SWITCH := 0 54# By default, Bl1 acts as the reset handler, not BL31 55RESET_TO_BL31 := 0 56# Include FP registers in cpu context 57CTX_INCLUDE_FPREGS := 0 58# Determine the version of ARM GIC architecture to use for interrupt management 59# in EL3. The platform port can change this value if needed. 60ARM_GIC_ARCH := 2 61# Determine the version of ARM CCI product used in the platform. The platform 62# port can change this value if needed. 63ARM_CCI_PRODUCT_ID := 400 64# Flag used to indicate if ASM_ASSERTION should be enabled for the build. 65# This defaults to being present in DEBUG builds only. 66ASM_ASSERTION := ${DEBUG} 67# Build option to choose whether Trusted firmware uses Coherent memory or not. 68USE_COHERENT_MEM := 1 69# Default FIP file name 70FIP_NAME := fip.bin 71# By default, use the -pedantic option in the gcc command line 72DISABLE_PEDANTIC := 0 73# Flags to generate the Chain of Trust 74GENERATE_COT := 0 75CREATE_KEYS := 1 76# Flags to build TF with Trusted Boot support 77TRUSTED_BOARD_BOOT := 0 78AUTH_MOD := none 79 80# Checkpatch ignores 81CHECK_IGNORE = --ignore COMPLEX_MACRO \ 82 --ignore GERRIT_CHANGE_ID \ 83 --ignore GIT_COMMIT_ID 84 85CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE} 86CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE} 87# Do not check the coding style on C library files 88CHECK_PATHS = $(shell ls -I include -I lib) \ 89 $(addprefix include/,$(shell ls -I stdlib include)) \ 90 $(addprefix lib/,$(shell ls -I stdlib lib)) 91 92ifeq (${V},0) 93 Q=@ 94 CHECKCODE_ARGS += --no-summary --terse 95else 96 Q= 97endif 98export Q 99 100ifneq (${DEBUG}, 0) 101 BUILD_TYPE := debug 102 # Use LOG_LEVEL_INFO by default for debug builds 103 LOG_LEVEL := 40 104else 105 BUILD_TYPE := release 106 # Use LOG_LEVEL_NOTICE by default for release builds 107 LOG_LEVEL := 20 108endif 109 110# Default build string (git branch and commit) 111ifeq (${BUILD_STRING},) 112 BUILD_STRING := $(shell git log -n 1 --pretty=format:"%h") 113endif 114 115VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 116 117BL_COMMON_SOURCES := common/bl_common.c \ 118 common/tf_printf.c \ 119 common/aarch64/debug.S \ 120 lib/aarch64/cache_helpers.S \ 121 lib/aarch64/misc_helpers.S \ 122 lib/aarch64/xlat_helpers.c \ 123 lib/stdlib/std.c \ 124 plat/common/aarch64/platform_helpers.S 125 126BUILD_BASE := ./build 127BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 128 129PLAT_MAKEFILE := platform.mk 130# Generate the platforms list by recursively searching for all directories 131# under /plat containing a PLAT_MAKEFILE. Append each platform with a `|` 132# char and strip out the final '|'. 133PLATFORMS := $(shell find plat/ -name '${PLAT_MAKEFILE}' -print0 | \ 134 sed -r 's%[^\x00]*\/([^/]*)\/${PLAT_MAKEFILE}\x00%\1|%g' | \ 135 sed -r 's/\|$$//') 136SPDS := $(shell ls -I none services/spd) 137 138# Convenience function for adding build definitions 139# $(eval $(call add_define,FOO)) will have: 140# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 141define add_define 142DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 143endef 144 145# Convenience function for verifying option has a boolean value 146# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 147define assert_boolean 148$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) 149endef 150 151ifeq (${PLAT},) 152 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform") 153endif 154PLAT_MAKEFILE_FULL := $(shell find plat/ -wholename '*/${PLAT}/${PLAT_MAKEFILE}') 155ifeq ($(PLAT_MAKEFILE_FULL),) 156 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 157endif 158 159all: msg_start 160 161msg_start: 162 @echo "Building ${PLAT}" 163 164include ${PLAT_MAKEFILE_FULL} 165 166# Include the CPU specific operations makefile. By default all CPU errata 167# workarounds and CPU specifc optimisations are disabled. This can be 168# overridden by the platform. 169include lib/cpus/cpu-ops.mk 170 171ifdef BL1_SOURCES 172NEED_BL1 := yes 173include bl1/bl1.mk 174endif 175 176ifdef BL2_SOURCES 177NEED_BL2 := yes 178include bl2/bl2.mk 179# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be supplied for the FIP. 180# This flag can be overridden by the platform. 181NEED_BL33 ?= yes 182endif 183 184ifdef BL31_SOURCES 185NEED_BL31 := yes 186include bl31/bl31.mk 187endif 188 189# Include SPD Makefile if one has been specified 190ifneq (${SPD},none) 191 # We expect to locate an spd.mk under the specified SPD directory 192 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 193 194 ifeq (${SPD_MAKE},) 195 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 196 endif 197 $(info Including ${SPD_MAKE}) 198 include ${SPD_MAKE} 199 200 # If there's BL3-2 companion for the chosen SPD, and the SPD wants to build the 201 # BL3-2 from source, we expect that the SPD's Makefile would set NEED_BL32 202 # variable to "yes". In case the BL3-2 is a binary which needs to be included in 203 # fip, then the NEED_BL32 needs to be set and BL3-2 would need to point to the bin. 204endif 205 206.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip certtool 207.SUFFIXES: 208 209INCLUDES += -Iinclude/bl31 \ 210 -Iinclude/bl31/services \ 211 -Iinclude/common \ 212 -Iinclude/drivers \ 213 -Iinclude/drivers/arm \ 214 -Iinclude/drivers/io \ 215 -Iinclude/lib \ 216 -Iinclude/lib/aarch64 \ 217 -Iinclude/lib/cpus/aarch64 \ 218 -Iinclude/plat/common \ 219 -Iinclude/stdlib \ 220 -Iinclude/stdlib/sys \ 221 ${PLAT_INCLUDES} \ 222 ${SPD_INCLUDES} 223 224# Process DEBUG flag 225$(eval $(call assert_boolean,DEBUG)) 226$(eval $(call add_define,DEBUG)) 227ifeq (${DEBUG},0) 228 $(eval $(call add_define,NDEBUG)) 229else 230CFLAGS += -g 231ASFLAGS += -g -Wa,--gdwarf-2 232endif 233 234# Process PLAT flag 235$(eval $(call add_define,PLAT_${PLAT})) 236 237# Process NS_TIMER_SWITCH flag 238$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 239$(eval $(call add_define,NS_TIMER_SWITCH)) 240 241# Process RESET_TO_BL31 flag 242$(eval $(call assert_boolean,RESET_TO_BL31)) 243$(eval $(call add_define,RESET_TO_BL31)) 244 245# Process CTX_INCLUDE_FPREGS flag 246$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 247$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 248 249# Process ARM_GIC_ARCH flag 250$(eval $(call add_define,ARM_GIC_ARCH)) 251 252# Process ARM_CCI_PRODUCT_ID flag 253$(eval $(call add_define,ARM_CCI_PRODUCT_ID)) 254 255# Process ASM_ASSERTION flag 256$(eval $(call assert_boolean,ASM_ASSERTION)) 257$(eval $(call add_define,ASM_ASSERTION)) 258 259# Process LOG_LEVEL flag 260$(eval $(call add_define,LOG_LEVEL)) 261 262# Process USE_COHERENT_MEM flag 263$(eval $(call assert_boolean,USE_COHERENT_MEM)) 264$(eval $(call add_define,USE_COHERENT_MEM)) 265 266# Process Generate CoT flags 267$(eval $(call assert_boolean,GENERATE_COT)) 268$(eval $(call assert_boolean,CREATE_KEYS)) 269 270# Process TRUSTED_BOARD_BOOT flag 271$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 272$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 273 274ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 275 -Werror -Wmissing-include-dirs \ 276 -mgeneral-regs-only -D__ASSEMBLY__ \ 277 ${DEFINES} ${INCLUDES} 278CFLAGS += -nostdinc -ffreestanding -Wall \ 279 -Werror -Wmissing-include-dirs \ 280 -mgeneral-regs-only -std=c99 -c -Os \ 281 ${DEFINES} ${INCLUDES} 282CFLAGS += -ffunction-sections -fdata-sections 283 284LDFLAGS += --fatal-warnings -O1 285LDFLAGS += --gc-sections 286 287 288CC := ${CROSS_COMPILE}gcc 289CPP := ${CROSS_COMPILE}cpp 290AS := ${CROSS_COMPILE}gcc 291AR := ${CROSS_COMPILE}ar 292LD := ${CROSS_COMPILE}ld 293OC := ${CROSS_COMPILE}objcopy 294OD := ${CROSS_COMPILE}objdump 295NM := ${CROSS_COMPILE}nm 296PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 297 298# Variables for use with Firmware Image Package 299FIPTOOLPATH ?= tools/fip_create 300FIPTOOL ?= ${FIPTOOLPATH}/fip_create 301fiptool: ${FIPTOOL} 302fip: ${BUILD_PLAT}/${FIP_NAME} 303 304# Variables for use with Certificate Generation Tool 305CRTTOOLPATH ?= tools/cert_create 306CRTTOOL ?= ${CRTTOOLPATH}/cert_create 307certtool: ${CRTTOOL} 308 309# CoT generation tool default parameters 310TRUSTED_KEY_CERT := ${BUILD_PLAT}/trusted_key.crt 311 312# Pass the private keys to the CoT generation tool in the command line 313# If CREATE_KEYS is set, the '-n' option will be added, indicating the tool to create new keys 314ifneq (${GENERATE_COT},0) 315 $(eval CERTS := yes) 316 317 $(eval FIP_DEPS += certificates) 318 $(eval FIP_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT}) 319 320 ifneq (${CREATE_KEYS},0) 321 $(eval CRT_ARGS += -n) 322 endif 323 $(eval CRT_ARGS += $(if ${ROT_KEY}, --rot-key ${ROT_KEY})) 324 $(eval CRT_ARGS += $(if ${TRUSTED_WORLD_KEY}, --trusted-world-key ${TRUSTED_WORLD_KEY})) 325 $(eval CRT_ARGS += $(if ${NON_TRUSTED_WORLD_KEY}, --non-trusted-world-key ${NON_TRUSTED_WORLD_KEY})) 326 $(eval CRT_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT}) 327endif 328 329# Check Trusted Board Boot options 330ifneq (${TRUSTED_BOARD_BOOT},0) 331 ifeq (${AUTH_MOD},none) 332 $(error Error: When TRUSTED_BOARD_BOOT=1, AUTH_MOD has to be the name of a valid authentication module) 333 else 334 # We expect to locate an *.mk file under the specified AUTH_MOD directory 335 AUTH_MAKE := $(shell m="common/auth/${AUTH_MOD}/${AUTH_MOD}.mk"; [ -f "$$m" ] && echo "$$m") 336 ifeq (${AUTH_MAKE},) 337 $(error Error: No common/auth/${AUTH_MOD}/${AUTH_MOD}.mk located) 338 endif 339 $(info Including ${AUTH_MAKE}) 340 include ${AUTH_MAKE} 341 endif 342 343 BL_COMMON_SOURCES += common/auth.c 344endif 345 346# Check if -pedantic option should be used 347ifeq (${DISABLE_PEDANTIC},0) 348 CFLAGS += -pedantic 349endif 350 351locate-checkpatch: 352ifndef CHECKPATCH 353 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 354else 355ifeq (,$(wildcard ${CHECKPATCH})) 356 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 357endif 358endif 359 360clean: 361 @echo " CLEAN" 362 ${Q}rm -rf ${BUILD_PLAT} 363 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 364 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 365 366realclean distclean: 367 @echo " REALCLEAN" 368 ${Q}rm -rf ${BUILD_BASE} 369 ${Q}rm -f ${CURDIR}/cscope.* 370 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 371 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 372 373checkcodebase: locate-checkpatch 374 @echo " CHECKING STYLE" 375 @if test -d .git ; then \ 376 git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 377 else \ 378 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 379 fi 380 381checkpatch: locate-checkpatch 382 @echo " CHECKING STYLE" 383 ${Q}git log -p ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 384 385.PHONY: ${CRTTOOL} 386${CRTTOOL}: 387 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} 388 @echo 389 @echo "Built $@ successfully" 390 @echo 391 392.PHONY: ${FIPTOOL} 393${FIPTOOL}: 394 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 395 396define match_goals 397$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 398endef 399 400# List of rules that involve building things 401BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 402 403# Does the list of goals specified on the command line include a build target? 404ifneq ($(call match_goals,${BUILD_TARGETS}),) 405IS_ANYTHING_TO_BUILD := 1 406endif 407 408define MAKE_C 409 410$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 411$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 412 413$(OBJ) : $(2) 414 @echo " CC $$<" 415 $$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 416 417 418$(PREREQUISITES) : $(2) 419 @echo " DEPS $$@" 420 @mkdir -p $(1) 421 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 422 423ifdef IS_ANYTHING_TO_BUILD 424-include $(PREREQUISITES) 425endif 426 427endef 428 429 430define MAKE_S 431 432$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 433$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 434 435$(OBJ) : $(2) 436 @echo " AS $$<" 437 $$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 438 439$(PREREQUISITES) : $(2) 440 @echo " DEPS $$@" 441 @mkdir -p $(1) 442 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 443 444ifdef IS_ANYTHING_TO_BUILD 445-include $(PREREQUISITES) 446endif 447 448endef 449 450 451define MAKE_LD 452 453$(eval PREREQUISITES := $(1).d) 454 455$(1) : $(2) 456 @echo " PP $$<" 457 $$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$< 458 459$(PREREQUISITES) : $(2) 460 @echo " DEPS $$@" 461 @mkdir -p $$(dir $$@) 462 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 463 464ifdef IS_ANYTHING_TO_BUILD 465-include $(PREREQUISITES) 466endif 467 468endef 469 470 471define MAKE_OBJS 472 $(eval C_OBJS := $(filter %.c,$(2))) 473 $(eval REMAIN := $(filter-out %.c,$(2))) 474 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 475 476 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 477 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 478 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 479 480 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 481endef 482 483 484# NOTE: The line continuation '\' is required in the next define otherwise we 485# end up with a line-feed characer at the end of the last c filename. 486# Also bare this issue in mind if extending the list of supported filetypes. 487define SOURCES_TO_OBJS 488 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 489 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 490endef 491 492 493# MAKE_TOOL_ARGS macro defines the command line arguments for the FIP and CRT 494# tools at each BL stage. Arguments: 495# $(1) = BL stage (2, 30, 31, 32, 33) 496# $(2) = Binary file 497# $(3) = In FIP (false if empty) 498# $(4) = Create certificates (false if empty) 499# $(5) = Create key certificate (false if empty) 500# $(6) = Private key (optional) 501define MAKE_TOOL_ARGS 502 503$(eval FIP_DEPS += $(if $3,$(2),)) 504$(eval FIP_ARGS += $(if $3,--bl$(1) $(2),)) 505$(eval FIP_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt)) 506$(eval FIP_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt))) 507 508$(eval CRT_DEPS += $(if $4,$(2),)) 509$(eval CRT_DEPS += $(if $4,$(if $6,$(6),))) 510$(eval CRT_ARGS += $(if $4,--bl$(1) $(2))) 511$(eval CRT_ARGS += $(if $4,$(if $6,--bl$(1)-key $(6)))) 512$(eval CRT_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt)) 513$(eval CRT_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt))) 514 515endef 516 517 518# MAKE_BL macro defines the targets and options to build each BL image. 519# Arguments: 520# $(1) = BL stage (2, 30, 31, 32, 33) 521# $(2) = In FIP (false if empty) 522# $(3) = Create certificates (false if empty) 523# $(4) = Create key certificate (false if empty) 524# $(5) = Private key (optional) 525define MAKE_BL 526 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 527 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 528 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 529 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 530 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 531 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 532 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 533 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 534 535 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 536 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 537 538$(BUILD_DIR) : 539 $$(Q)mkdir -p "$$@" 540 541$(ELF) : $(OBJS) $(LINKERFILE) 542 @echo " LD $$@" 543 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \ 544 const char version_string[] = "${VERSION_STRING}";' | \ 545 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 546 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 547 $(BUILD_DIR)/build_message.o $(OBJS) 548 549$(DUMP) : $(ELF) 550 @echo " OD $$@" 551 $${Q}$${OD} -dx $$< > $$@ 552 553$(BIN) : $(ELF) 554 @echo " BIN $$@" 555 $$(Q)$$(OC) -O binary $$< $$@ 556 @echo 557 @echo "Built $$@ successfully" 558 @echo 559 560.PHONY : bl$(1) 561bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 562 563all : bl$(1) 564 565$(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2),$(3),$(4),$(5))) 566 567endef 568 569 570ifeq (${NEED_BL1},yes) 571$(eval $(call MAKE_BL,1)) 572endif 573 574ifeq (${NEED_BL2},yes) 575$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},in_fip,${CERTS})),\ 576 $(eval $(call MAKE_BL,2,in_fip,${CERTS}))) 577endif 578 579ifeq (${NEED_BL31},yes) 580BL31_SOURCES += ${SPD_SOURCES} 581$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},in_fip,${CERTS},${CERTS},${BL31_KEY})),\ 582 $(eval $(call MAKE_BL,31,in_fip,${CERTS},${CERTS},${BL31_KEY}))) 583endif 584 585ifeq (${NEED_BL32},yes) 586$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},in_fip,${CERTS},${CERTS},${BL32_KEY})),\ 587 $(eval $(call MAKE_BL,32,in_fip,${CERTS},${CERTS},${BL32_KEY}))) 588endif 589 590ifeq (${NEED_BL30},yes) 591$(if ${BL30}, $(eval $(call MAKE_TOOL_ARGS,30,${BL30},in_fip,${CERTS},${CERTS},${BL30_KEY}))) 592 593# If BL3-0 is needed by the platform then 'BL30' variable must be defined. 594check_bl30: 595 $(if ${BL30},,$(error "To build a FIP for platform ${PLAT}, please set BL30 to point to the SCP firmware")) 596else 597 598# If BL3-0 is not needed by the platform but the user still specified the path 599# to a BL3-0 image then warn him that it will be ignored. 600check_bl30: 601 $(if ${BL30},$(warning "BL3-0 is not supported on platform ${PLAT}, it will just be ignored"),) 602endif 603 604ifeq (${NEED_BL33},yes) 605$(if ${BL33}, $(eval $(call MAKE_TOOL_ARGS,33,${BL33},in_fip,${CERTS},${CERTS},${BL33_KEY}))) 606 607# If BL3-3 is needed by the platform then 'BL33' variable must be defined. 608check_bl33: 609 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 610else 611 612# If BL3-3 is not needed by the platform but the user still specified the path 613# to a BL3-3 image then warn him that it will be ignored. 614check_bl33: 615 $(if ${BL33},$(warning "BL3-3 is not supported on platform ${PLAT}, it will just be ignored"),) 616endif 617 618# Add the dependency on the certificates 619ifneq (${GENERATE_COT},0) 620 fip: certificates 621endif 622 623certificates: ${CRT_DEPS} ${CRTTOOL} check_bl30 check_bl33 624 ${Q}${CRTTOOL} ${CRT_ARGS} 625 @echo 626 @echo "Built $@ successfully" 627 @echo "Certificates can be found in ${BUILD_PLAT}" 628 @echo 629 630${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} check_bl30 check_bl33 631 ${Q}${FIPTOOL} --dump \ 632 ${FIP_ARGS} \ 633 $@ 634 @echo 635 @echo "Built $@ successfully" 636 @echo 637 638 639cscope: 640 @echo " CSCOPE" 641 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 642 ${Q}cscope -b -q -k 643 644help: 645 @echo "usage: ${MAKE} PLAT=<${PLATFORMS}> [OPTIONS] [TARGET]" 646 @echo "" 647 @echo "PLAT is used to specify which platform you wish to build." 648 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 649 @echo "" 650 @echo "Please refer to the User Guide for a list of all supported options." 651 @echo "Note that the build system doesn't track dependencies for build " 652 @echo "options. Therefore, if any of the build options are changed " 653 @echo "from a previous build, a clean build must be performed." 654 @echo "" 655 @echo "Supported Targets:" 656 @echo " all Build all individual bootloader binaries" 657 @echo " bl1 Build the BL1 binary" 658 @echo " bl2 Build the BL2 binary" 659 @echo " bl31 Build the BL3-1 binary" 660 @echo " bl32 Build the BL3-2 binary" 661 @echo " fip Build the Firmware Image Package (FIP)" 662 @echo " checkcodebase Check the coding style of the entire source tree" 663 @echo " checkpatch Check the coding style on changes in the current" 664 @echo " branch against BASE_COMMIT (default origin/master)" 665 @echo " clean Clean the build for the selected platform" 666 @echo " cscope Generate cscope index" 667 @echo " distclean Remove all build artifacts for all platforms" 668 @echo " certtool Build the Certificate generation tool" 669 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 670 @echo "" 671 @echo "Note: most build targets require PLAT to be set to a specific platform." 672 @echo "" 673 @echo "example: build all targets for the FVP platform:" 674 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 675