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