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 76SAVE_KEYS := 0 77# Flags to build TF with Trusted Boot support 78TRUSTED_BOARD_BOOT := 0 79AUTH_MOD := none 80# By default, consider that the platform's reset address is not programmable. 81# The platform Makefile is free to override this value. 82PROGRAMMABLE_RESET_ADDRESS := 0 83 84# Checkpatch ignores 85CHECK_IGNORE = --ignore COMPLEX_MACRO \ 86 --ignore GERRIT_CHANGE_ID \ 87 --ignore GIT_COMMIT_ID 88 89CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE} 90CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE} 91# Do not check the coding style on C library files 92CHECK_PATHS = $(shell ls -I include -I lib) \ 93 $(addprefix include/,$(shell ls -I stdlib include)) \ 94 $(addprefix lib/,$(shell ls -I stdlib lib)) 95 96ifeq (${V},0) 97 Q=@ 98 CHECKCODE_ARGS += --no-summary --terse 99else 100 Q= 101endif 102export Q 103 104ifneq (${DEBUG}, 0) 105 BUILD_TYPE := debug 106 # Use LOG_LEVEL_INFO by default for debug builds 107 LOG_LEVEL := 40 108else 109 BUILD_TYPE := release 110 # Use LOG_LEVEL_NOTICE by default for release builds 111 LOG_LEVEL := 20 112endif 113 114# Default build string (git branch and commit) 115ifeq (${BUILD_STRING},) 116 BUILD_STRING := $(shell git log -n 1 --pretty=format:"%h") 117endif 118 119VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 120 121BL_COMMON_SOURCES := common/bl_common.c \ 122 common/tf_printf.c \ 123 common/aarch64/debug.S \ 124 lib/aarch64/cache_helpers.S \ 125 lib/aarch64/misc_helpers.S \ 126 lib/aarch64/xlat_helpers.c \ 127 lib/stdlib/std.c \ 128 plat/common/aarch64/platform_helpers.S 129 130BUILD_BASE := ./build 131BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 132 133PLAT_MAKEFILE := platform.mk 134# Generate the platforms list by recursively searching for all directories 135# under /plat containing a PLAT_MAKEFILE. Append each platform with a `|` 136# char and strip out the final '|'. 137PLATFORMS := $(shell find plat/ -name '${PLAT_MAKEFILE}' -print0 | \ 138 sed -r 's%[^\x00]*\/([^/]*)\/${PLAT_MAKEFILE}\x00%\1|%g' | \ 139 sed -r 's/\|$$//') 140SPDS := $(shell ls -I none services/spd) 141 142# Convenience function for adding build definitions 143# $(eval $(call add_define,FOO)) will have: 144# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 145define add_define 146DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 147endef 148 149# Convenience function for verifying option has a boolean value 150# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 151define assert_boolean 152$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) 153endef 154 155ifeq (${PLAT},) 156 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform") 157endif 158PLAT_MAKEFILE_FULL := $(shell find plat/ -wholename '*/${PLAT}/${PLAT_MAKEFILE}') 159ifeq ($(PLAT_MAKEFILE_FULL),) 160 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 161endif 162 163all: msg_start 164 165msg_start: 166 @echo "Building ${PLAT}" 167 168include ${PLAT_MAKEFILE_FULL} 169 170# Include the CPU specific operations makefile. By default all CPU errata 171# workarounds and CPU specifc optimisations are disabled. This can be 172# overridden by the platform. 173include lib/cpus/cpu-ops.mk 174 175ifdef BL1_SOURCES 176NEED_BL1 := yes 177include bl1/bl1.mk 178endif 179 180ifdef BL2_SOURCES 181NEED_BL2 := yes 182include bl2/bl2.mk 183# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be supplied for the FIP. 184# This flag can be overridden by the platform. 185NEED_BL33 ?= yes 186endif 187 188ifdef BL31_SOURCES 189NEED_BL31 := yes 190include bl31/bl31.mk 191endif 192 193# Include SPD Makefile if one has been specified 194ifneq (${SPD},none) 195 # We expect to locate an spd.mk under the specified SPD directory 196 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 197 198 ifeq (${SPD_MAKE},) 199 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 200 endif 201 $(info Including ${SPD_MAKE}) 202 include ${SPD_MAKE} 203 204 # If there's BL3-2 companion for the chosen SPD, and the SPD wants to build the 205 # BL3-2 from source, we expect that the SPD's Makefile would set NEED_BL32 206 # variable to "yes". In case the BL3-2 is a binary which needs to be included in 207 # fip, then the NEED_BL32 needs to be set and BL3-2 would need to point to the bin. 208endif 209 210.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip certtool 211.SUFFIXES: 212 213INCLUDES += -Iinclude/bl31 \ 214 -Iinclude/bl31/services \ 215 -Iinclude/common \ 216 -Iinclude/drivers \ 217 -Iinclude/drivers/arm \ 218 -Iinclude/drivers/io \ 219 -Iinclude/drivers/ti/uart \ 220 -Iinclude/lib \ 221 -Iinclude/lib/aarch64 \ 222 -Iinclude/lib/cpus/aarch64 \ 223 -Iinclude/plat/common \ 224 -Iinclude/stdlib \ 225 -Iinclude/stdlib/sys \ 226 ${PLAT_INCLUDES} \ 227 ${SPD_INCLUDES} 228 229# Process DEBUG flag 230$(eval $(call assert_boolean,DEBUG)) 231$(eval $(call add_define,DEBUG)) 232ifeq (${DEBUG},0) 233 $(eval $(call add_define,NDEBUG)) 234else 235CFLAGS += -g 236ASFLAGS += -g -Wa,--gdwarf-2 237endif 238 239# Process PLAT flag 240$(eval $(call add_define,PLAT_${PLAT})) 241 242# Process NS_TIMER_SWITCH flag 243$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 244$(eval $(call add_define,NS_TIMER_SWITCH)) 245 246# Process RESET_TO_BL31 flag 247$(eval $(call assert_boolean,RESET_TO_BL31)) 248$(eval $(call add_define,RESET_TO_BL31)) 249 250# Process CTX_INCLUDE_FPREGS flag 251$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 252$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 253 254# Process ARM_GIC_ARCH flag 255$(eval $(call add_define,ARM_GIC_ARCH)) 256 257# Process ARM_CCI_PRODUCT_ID flag 258$(eval $(call add_define,ARM_CCI_PRODUCT_ID)) 259 260# Process ASM_ASSERTION flag 261$(eval $(call assert_boolean,ASM_ASSERTION)) 262$(eval $(call add_define,ASM_ASSERTION)) 263 264# Process LOG_LEVEL flag 265$(eval $(call add_define,LOG_LEVEL)) 266 267# Process USE_COHERENT_MEM flag 268$(eval $(call assert_boolean,USE_COHERENT_MEM)) 269$(eval $(call add_define,USE_COHERENT_MEM)) 270 271# Process Generate CoT flags 272$(eval $(call assert_boolean,GENERATE_COT)) 273$(eval $(call assert_boolean,CREATE_KEYS)) 274$(eval $(call assert_boolean,SAVE_KEYS)) 275 276# Process TRUSTED_BOARD_BOOT flag 277$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 278$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 279 280# Process PROGRAMMABLE_RESET_ADDRESS flag 281$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 282$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 283 284ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 285 -Werror -Wmissing-include-dirs \ 286 -mgeneral-regs-only -D__ASSEMBLY__ \ 287 ${DEFINES} ${INCLUDES} 288CFLAGS += -nostdinc -ffreestanding -Wall \ 289 -Werror -Wmissing-include-dirs \ 290 -mgeneral-regs-only -std=c99 -c -Os \ 291 ${DEFINES} ${INCLUDES} 292CFLAGS += -ffunction-sections -fdata-sections 293 294LDFLAGS += --fatal-warnings -O1 295LDFLAGS += --gc-sections 296 297 298CC := ${CROSS_COMPILE}gcc 299CPP := ${CROSS_COMPILE}cpp 300AS := ${CROSS_COMPILE}gcc 301AR := ${CROSS_COMPILE}ar 302LD := ${CROSS_COMPILE}ld 303OC := ${CROSS_COMPILE}objcopy 304OD := ${CROSS_COMPILE}objdump 305NM := ${CROSS_COMPILE}nm 306PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 307 308# Variables for use with Firmware Image Package 309FIPTOOLPATH ?= tools/fip_create 310FIPTOOL ?= ${FIPTOOLPATH}/fip_create 311fiptool: ${FIPTOOL} 312fip: ${BUILD_PLAT}/${FIP_NAME} 313 314# Variables for use with Certificate Generation Tool 315CRTTOOLPATH ?= tools/cert_create 316CRTTOOL ?= ${CRTTOOLPATH}/cert_create 317certtool: ${CRTTOOL} 318 319# CoT generation tool default parameters 320TRUSTED_KEY_CERT := ${BUILD_PLAT}/trusted_key.crt 321 322# Pass the private keys to the CoT generation tool in the command line 323# If CREATE_KEYS is set, the '-n' option will be added, indicating the tool to create new keys 324ifneq (${GENERATE_COT},0) 325 $(eval CERTS := yes) 326 327 $(eval FIP_DEPS += certificates) 328 $(eval FIP_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT}) 329 330 ifneq (${CREATE_KEYS},0) 331 $(eval CRT_ARGS += -n) 332 ifneq (${SAVE_KEYS},0) 333 $(eval CRT_ARGS += -k) 334 endif 335 endif 336 $(eval CRT_ARGS += $(if ${ROT_KEY}, --rot-key ${ROT_KEY})) 337 $(eval CRT_ARGS += $(if ${TRUSTED_WORLD_KEY}, --trusted-world-key ${TRUSTED_WORLD_KEY})) 338 $(eval CRT_ARGS += $(if ${NON_TRUSTED_WORLD_KEY}, --non-trusted-world-key ${NON_TRUSTED_WORLD_KEY})) 339 $(eval CRT_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT}) 340 $(eval CRT_ARGS += $(if ${KEY_ALG}, --key-alg ${KEY_ALG})) 341endif 342 343# Check Trusted Board Boot options 344ifneq (${TRUSTED_BOARD_BOOT},0) 345 ifeq (${AUTH_MOD},none) 346 $(error Error: When TRUSTED_BOARD_BOOT=1, AUTH_MOD has to be the name of a valid authentication module) 347 else 348 # We expect to locate an *.mk file under the specified AUTH_MOD directory 349 AUTH_MAKE := $(shell m="common/auth/${AUTH_MOD}/${AUTH_MOD}.mk"; [ -f "$$m" ] && echo "$$m") 350 ifeq (${AUTH_MAKE},) 351 $(error Error: No common/auth/${AUTH_MOD}/${AUTH_MOD}.mk located) 352 endif 353 $(info Including ${AUTH_MAKE}) 354 include ${AUTH_MAKE} 355 endif 356 357 BL_COMMON_SOURCES += common/auth.c 358endif 359 360# Check if -pedantic option should be used 361ifeq (${DISABLE_PEDANTIC},0) 362 CFLAGS += -pedantic 363endif 364 365locate-checkpatch: 366ifndef CHECKPATCH 367 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 368else 369ifeq (,$(wildcard ${CHECKPATCH})) 370 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 371endif 372endif 373 374clean: 375 @echo " CLEAN" 376 ${Q}rm -rf ${BUILD_PLAT} 377 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 378 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 379 380realclean distclean: 381 @echo " REALCLEAN" 382 ${Q}rm -rf ${BUILD_BASE} 383 ${Q}rm -f ${CURDIR}/cscope.* 384 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 385 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 386 387checkcodebase: locate-checkpatch 388 @echo " CHECKING STYLE" 389 @if test -d .git ; then \ 390 git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 391 else \ 392 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 393 fi 394 395checkpatch: locate-checkpatch 396 @echo " CHECKING STYLE" 397 ${Q}git log -p ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 398 399.PHONY: ${CRTTOOL} 400${CRTTOOL}: 401 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} 402 @echo 403 @echo "Built $@ successfully" 404 @echo 405 406.PHONY: ${FIPTOOL} 407${FIPTOOL}: 408 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 409 410define match_goals 411$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 412endef 413 414# List of rules that involve building things 415BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 416 417# Does the list of goals specified on the command line include a build target? 418ifneq ($(call match_goals,${BUILD_TARGETS}),) 419IS_ANYTHING_TO_BUILD := 1 420endif 421 422define MAKE_C 423 424$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 425$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 426 427$(OBJ) : $(2) 428 @echo " CC $$<" 429 $$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 430 431 432$(PREREQUISITES) : $(2) 433 @echo " DEPS $$@" 434 @mkdir -p $(1) 435 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 436 437ifdef IS_ANYTHING_TO_BUILD 438-include $(PREREQUISITES) 439endif 440 441endef 442 443 444define MAKE_S 445 446$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 447$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 448 449$(OBJ) : $(2) 450 @echo " AS $$<" 451 $$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 452 453$(PREREQUISITES) : $(2) 454 @echo " DEPS $$@" 455 @mkdir -p $(1) 456 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 457 458ifdef IS_ANYTHING_TO_BUILD 459-include $(PREREQUISITES) 460endif 461 462endef 463 464 465define MAKE_LD 466 467$(eval PREREQUISITES := $(1).d) 468 469$(1) : $(2) 470 @echo " PP $$<" 471 $$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$< 472 473$(PREREQUISITES) : $(2) 474 @echo " DEPS $$@" 475 @mkdir -p $$(dir $$@) 476 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 477 478ifdef IS_ANYTHING_TO_BUILD 479-include $(PREREQUISITES) 480endif 481 482endef 483 484 485define MAKE_OBJS 486 $(eval C_OBJS := $(filter %.c,$(2))) 487 $(eval REMAIN := $(filter-out %.c,$(2))) 488 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 489 490 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 491 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 492 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 493 494 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 495endef 496 497 498# NOTE: The line continuation '\' is required in the next define otherwise we 499# end up with a line-feed characer at the end of the last c filename. 500# Also bare this issue in mind if extending the list of supported filetypes. 501define SOURCES_TO_OBJS 502 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 503 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 504endef 505 506 507# MAKE_TOOL_ARGS macro defines the command line arguments for the FIP and CRT 508# tools at each BL stage. Arguments: 509# $(1) = BL stage (2, 30, 31, 32, 33) 510# $(2) = Binary file 511# $(3) = In FIP (false if empty) 512# $(4) = Create certificates (false if empty) 513# $(5) = Create key certificate (false if empty) 514# $(6) = Private key (optional) 515define MAKE_TOOL_ARGS 516 517$(eval FIP_DEPS += $(if $3,$(2),)) 518$(eval FIP_ARGS += $(if $3,--bl$(1) $(2),)) 519$(eval FIP_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt)) 520$(eval FIP_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt))) 521 522$(eval CRT_DEPS += $(if $4,$(2),)) 523$(eval CRT_ARGS += $(if $4,--bl$(1) $(2))) 524$(eval CRT_ARGS += $(if $4,$(if $6,--bl$(1)-key $(6)))) 525$(eval CRT_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt)) 526$(eval CRT_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt))) 527 528endef 529 530 531# MAKE_BL macro defines the targets and options to build each BL image. 532# Arguments: 533# $(1) = BL stage (2, 30, 31, 32, 33) 534# $(2) = In FIP (false if empty) 535# $(3) = Create certificates (false if empty) 536# $(4) = Create key certificate (false if empty) 537# $(5) = Private key (optional) 538define MAKE_BL 539 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 540 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 541 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 542 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 543 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 544 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 545 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 546 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 547 548 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 549 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 550 551$(BUILD_DIR) : 552 $$(Q)mkdir -p "$$@" 553 554$(ELF) : $(OBJS) $(LINKERFILE) 555 @echo " LD $$@" 556 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \ 557 const char version_string[] = "${VERSION_STRING}";' | \ 558 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 559 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 560 $(BUILD_DIR)/build_message.o $(OBJS) 561 562$(DUMP) : $(ELF) 563 @echo " OD $$@" 564 $${Q}$${OD} -dx $$< > $$@ 565 566$(BIN) : $(ELF) 567 @echo " BIN $$@" 568 $$(Q)$$(OC) -O binary $$< $$@ 569 @echo 570 @echo "Built $$@ successfully" 571 @echo 572 573.PHONY : bl$(1) 574bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 575 576all : bl$(1) 577 578$(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2),$(3),$(4),$(5))) 579 580endef 581 582 583ifeq (${NEED_BL1},yes) 584$(eval $(call MAKE_BL,1)) 585endif 586 587ifeq (${NEED_BL2},yes) 588$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},in_fip,${CERTS})),\ 589 $(eval $(call MAKE_BL,2,in_fip,${CERTS}))) 590endif 591 592ifeq (${NEED_BL31},yes) 593BL31_SOURCES += ${SPD_SOURCES} 594$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},in_fip,${CERTS},${CERTS},${BL31_KEY})),\ 595 $(eval $(call MAKE_BL,31,in_fip,${CERTS},${CERTS},${BL31_KEY}))) 596endif 597 598ifeq (${NEED_BL32},yes) 599$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},in_fip,${CERTS},${CERTS},${BL32_KEY})),\ 600 $(eval $(call MAKE_BL,32,in_fip,${CERTS},${CERTS},${BL32_KEY}))) 601endif 602 603ifeq (${NEED_BL30},yes) 604$(if ${BL30}, $(eval $(call MAKE_TOOL_ARGS,30,${BL30},in_fip,${CERTS},${CERTS},${BL30_KEY}))) 605 606# If BL3-0 is needed by the platform then 'BL30' variable must be defined. 607check_bl30: 608 $(if ${BL30},,$(error "To build a FIP for platform ${PLAT}, please set BL30 to point to the SCP firmware")) 609else 610 611# If BL3-0 is not needed by the platform but the user still specified the path 612# to a BL3-0 image then warn him that it will be ignored. 613check_bl30: 614 $(if ${BL30},$(warning "BL3-0 is not supported on platform ${PLAT}, it will just be ignored"),) 615endif 616 617ifeq (${NEED_BL33},yes) 618$(if ${BL33}, $(eval $(call MAKE_TOOL_ARGS,33,${BL33},in_fip,${CERTS},${CERTS},${BL33_KEY}))) 619 620# If BL3-3 is needed by the platform then 'BL33' variable must be defined. 621check_bl33: 622 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 623else 624 625# If BL3-3 is not needed by the platform but the user still specified the path 626# to a BL3-3 image then warn him that it will be ignored. 627check_bl33: 628 $(if ${BL33},$(warning "BL3-3 is not supported on platform ${PLAT}, it will just be ignored"),) 629endif 630 631# Add the dependency on the certificates 632ifneq (${GENERATE_COT},0) 633 fip: certificates 634endif 635 636certificates: ${CRT_DEPS} ${CRTTOOL} check_bl30 check_bl33 637 ${Q}${CRTTOOL} ${CRT_ARGS} 638 @echo 639 @echo "Built $@ successfully" 640 @echo "Certificates can be found in ${BUILD_PLAT}" 641 @echo 642 643${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} check_bl30 check_bl33 644 ${Q}${FIPTOOL} --dump \ 645 ${FIP_ARGS} \ 646 $@ 647 @echo 648 @echo "Built $@ successfully" 649 @echo 650 651 652cscope: 653 @echo " CSCOPE" 654 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 655 ${Q}cscope -b -q -k 656 657help: 658 @echo "usage: ${MAKE} PLAT=<${PLATFORMS}> [OPTIONS] [TARGET]" 659 @echo "" 660 @echo "PLAT is used to specify which platform you wish to build." 661 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 662 @echo "" 663 @echo "Please refer to the User Guide for a list of all supported options." 664 @echo "Note that the build system doesn't track dependencies for build " 665 @echo "options. Therefore, if any of the build options are changed " 666 @echo "from a previous build, a clean build must be performed." 667 @echo "" 668 @echo "Supported Targets:" 669 @echo " all Build all individual bootloader binaries" 670 @echo " bl1 Build the BL1 binary" 671 @echo " bl2 Build the BL2 binary" 672 @echo " bl31 Build the BL3-1 binary" 673 @echo " bl32 Build the BL3-2 binary" 674 @echo " fip Build the Firmware Image Package (FIP)" 675 @echo " checkcodebase Check the coding style of the entire source tree" 676 @echo " checkpatch Check the coding style on changes in the current" 677 @echo " branch against BASE_COMMIT (default origin/master)" 678 @echo " clean Clean the build for the selected platform" 679 @echo " cscope Generate cscope index" 680 @echo " distclean Remove all build artifacts for all platforms" 681 @echo " certtool Build the Certificate generation tool" 682 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 683 @echo "" 684 @echo "Note: most build targets require PLAT to be set to a specific platform." 685 @echo "" 686 @echo "example: build all targets for the FVP platform:" 687 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 688