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# Flag used to choose the power state format viz Extended State-ID or the Original 70# format. 71PSCI_EXTENDED_STATE_ID := 0 72# Default FIP file name 73FIP_NAME := fip.bin 74# By default, use the -pedantic option in the gcc command line 75DISABLE_PEDANTIC := 0 76# Flags to generate the Chain of Trust 77GENERATE_COT := 0 78CREATE_KEYS := 1 79SAVE_KEYS := 0 80# Flags to build TF with Trusted Boot support 81TRUSTED_BOARD_BOOT := 0 82# By default, consider that the platform's reset address is not programmable. 83# The platform Makefile is free to override this value. 84PROGRAMMABLE_RESET_ADDRESS := 0 85 86# Checkpatch ignores 87CHECK_IGNORE = --ignore COMPLEX_MACRO \ 88 --ignore GERRIT_CHANGE_ID \ 89 --ignore GIT_COMMIT_ID 90 91CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE} 92CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE} 93# Do not check the coding style on C library files 94CHECK_PATHS = $(shell ls -I include -I lib) \ 95 $(addprefix include/,$(shell ls -I stdlib include)) \ 96 $(addprefix lib/,$(shell ls -I stdlib lib)) 97 98ifeq (${V},0) 99 Q=@ 100 CHECKCODE_ARGS += --no-summary --terse 101else 102 Q= 103endif 104export Q 105 106ifneq (${DEBUG}, 0) 107 BUILD_TYPE := debug 108 # Use LOG_LEVEL_INFO by default for debug builds 109 LOG_LEVEL := 40 110else 111 BUILD_TYPE := release 112 # Use LOG_LEVEL_NOTICE by default for release builds 113 LOG_LEVEL := 20 114endif 115 116# Default build string (git branch and commit) 117ifeq (${BUILD_STRING},) 118 BUILD_STRING := $(shell git log -n 1 --pretty=format:"%h") 119endif 120 121VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 122 123BL_COMMON_SOURCES := common/bl_common.c \ 124 common/tf_printf.c \ 125 common/aarch64/debug.S \ 126 lib/aarch64/cache_helpers.S \ 127 lib/aarch64/misc_helpers.S \ 128 lib/aarch64/xlat_helpers.c \ 129 lib/stdlib/std.c \ 130 plat/common/aarch64/platform_helpers.S 131 132BUILD_BASE := ./build 133BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 134 135PLAT_MAKEFILE := platform.mk 136# Generate the platforms list by recursively searching for all directories 137# under /plat containing a PLAT_MAKEFILE. Append each platform with a `|` 138# char and strip out the final '|'. 139PLATFORMS := $(shell find plat/ -name '${PLAT_MAKEFILE}' -print0 | \ 140 sed -r 's%[^\x00]*\/([^/]*)\/${PLAT_MAKEFILE}\x00%\1|%g' | \ 141 sed -r 's/\|$$//') 142SPDS := $(shell ls -I none services/spd) 143 144# Convenience function for adding build definitions 145# $(eval $(call add_define,FOO)) will have: 146# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 147define add_define 148DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 149endef 150 151# Convenience function for verifying option has a boolean value 152# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 153define assert_boolean 154$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) 155endef 156 157ifeq (${PLAT},) 158 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform") 159endif 160PLAT_MAKEFILE_FULL := $(shell find plat/ -wholename '*/${PLAT}/${PLAT_MAKEFILE}') 161ifeq ($(PLAT_MAKEFILE_FULL),) 162 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 163endif 164 165all: msg_start 166 167msg_start: 168 @echo "Building ${PLAT}" 169 170include ${PLAT_MAKEFILE_FULL} 171 172# Include the CPU specific operations makefile. By default all CPU errata 173# workarounds and CPU specifc optimisations are disabled. This can be 174# overridden by the platform. 175include lib/cpus/cpu-ops.mk 176 177ifdef BL1_SOURCES 178NEED_BL1 := yes 179include bl1/bl1.mk 180endif 181 182ifdef BL2_SOURCES 183NEED_BL2 := yes 184include bl2/bl2.mk 185# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be supplied for the FIP. 186# This flag can be overridden by the platform. 187NEED_BL33 ?= yes 188endif 189 190ifdef BL31_SOURCES 191NEED_BL31 := yes 192include bl31/bl31.mk 193endif 194 195# Include SPD Makefile if one has been specified 196ifneq (${SPD},none) 197 # We expect to locate an spd.mk under the specified SPD directory 198 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 199 200 ifeq (${SPD_MAKE},) 201 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 202 endif 203 $(info Including ${SPD_MAKE}) 204 include ${SPD_MAKE} 205 206 # If there's BL3-2 companion for the chosen SPD, and the SPD wants to build the 207 # BL3-2 from source, we expect that the SPD's Makefile would set NEED_BL32 208 # variable to "yes". In case the BL3-2 is a binary which needs to be included in 209 # fip, then the NEED_BL32 needs to be set and BL3-2 would need to point to the bin. 210endif 211 212.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip certtool 213.SUFFIXES: 214 215INCLUDES += -Iinclude/bl31 \ 216 -Iinclude/bl31/services \ 217 -Iinclude/common \ 218 -Iinclude/drivers \ 219 -Iinclude/drivers/arm \ 220 -Iinclude/drivers/auth \ 221 -Iinclude/drivers/io \ 222 -Iinclude/drivers/ti/uart \ 223 -Iinclude/lib \ 224 -Iinclude/lib/aarch64 \ 225 -Iinclude/lib/cpus/aarch64 \ 226 -Iinclude/plat/common \ 227 -Iinclude/stdlib \ 228 -Iinclude/stdlib/sys \ 229 ${PLAT_INCLUDES} \ 230 ${SPD_INCLUDES} 231 232# Process DEBUG flag 233$(eval $(call assert_boolean,DEBUG)) 234$(eval $(call add_define,DEBUG)) 235ifeq (${DEBUG},0) 236 $(eval $(call add_define,NDEBUG)) 237else 238CFLAGS += -g 239ASFLAGS += -g -Wa,--gdwarf-2 240endif 241 242# Process PLAT flag 243$(eval $(call add_define,PLAT_${PLAT})) 244 245# Process NS_TIMER_SWITCH flag 246$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 247$(eval $(call add_define,NS_TIMER_SWITCH)) 248 249# Process RESET_TO_BL31 flag 250$(eval $(call assert_boolean,RESET_TO_BL31)) 251$(eval $(call add_define,RESET_TO_BL31)) 252 253# Process CTX_INCLUDE_FPREGS flag 254$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 255$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 256 257# Process ARM_GIC_ARCH flag 258$(eval $(call add_define,ARM_GIC_ARCH)) 259 260# Process ARM_CCI_PRODUCT_ID flag 261$(eval $(call add_define,ARM_CCI_PRODUCT_ID)) 262 263# Process ASM_ASSERTION flag 264$(eval $(call assert_boolean,ASM_ASSERTION)) 265$(eval $(call add_define,ASM_ASSERTION)) 266 267# Process LOG_LEVEL flag 268$(eval $(call add_define,LOG_LEVEL)) 269 270# Process USE_COHERENT_MEM flag 271$(eval $(call assert_boolean,USE_COHERENT_MEM)) 272$(eval $(call add_define,USE_COHERENT_MEM)) 273 274# Process PSCI_EXTENDED_STATE_ID flag 275$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 276$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 277 278# Process Generate CoT flags 279$(eval $(call assert_boolean,GENERATE_COT)) 280$(eval $(call assert_boolean,CREATE_KEYS)) 281$(eval $(call assert_boolean,SAVE_KEYS)) 282 283# Process TRUSTED_BOARD_BOOT flag 284$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 285$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 286 287# Process PROGRAMMABLE_RESET_ADDRESS flag 288$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 289$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 290 291ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 292 -Werror -Wmissing-include-dirs \ 293 -mgeneral-regs-only -D__ASSEMBLY__ \ 294 ${DEFINES} ${INCLUDES} 295CFLAGS += -nostdinc -ffreestanding -Wall \ 296 -Werror -Wmissing-include-dirs \ 297 -mgeneral-regs-only -std=c99 -c -Os \ 298 ${DEFINES} ${INCLUDES} 299CFLAGS += -ffunction-sections -fdata-sections 300 301LDFLAGS += --fatal-warnings -O1 302LDFLAGS += --gc-sections 303 304 305CC := ${CROSS_COMPILE}gcc 306CPP := ${CROSS_COMPILE}cpp 307AS := ${CROSS_COMPILE}gcc 308AR := ${CROSS_COMPILE}ar 309LD := ${CROSS_COMPILE}ld 310OC := ${CROSS_COMPILE}objcopy 311OD := ${CROSS_COMPILE}objdump 312NM := ${CROSS_COMPILE}nm 313PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 314 315# Variables for use with Firmware Image Package 316FIPTOOLPATH ?= tools/fip_create 317FIPTOOL ?= ${FIPTOOLPATH}/fip_create 318fiptool: ${FIPTOOL} 319fip: ${BUILD_PLAT}/${FIP_NAME} 320 321# Variables for use with Certificate Generation Tool 322CRTTOOLPATH ?= tools/cert_create 323CRTTOOL ?= ${CRTTOOLPATH}/cert_create 324certtool: ${CRTTOOL} 325 326# CoT generation tool default parameters 327TRUSTED_KEY_CERT := ${BUILD_PLAT}/trusted_key.crt 328 329# Pass the private keys to the CoT generation tool in the command line 330# If CREATE_KEYS is set, the '-n' option will be added, indicating the tool to create new keys 331ifneq (${GENERATE_COT},0) 332 $(eval CERTS := yes) 333 334 $(eval FIP_DEPS += certificates) 335 $(eval FIP_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT}) 336 337 ifneq (${CREATE_KEYS},0) 338 $(eval CRT_ARGS += -n) 339 ifneq (${SAVE_KEYS},0) 340 $(eval CRT_ARGS += -k) 341 endif 342 endif 343 $(eval CRT_ARGS += $(if ${ROT_KEY}, --rot-key ${ROT_KEY})) 344 $(eval CRT_ARGS += $(if ${TRUSTED_WORLD_KEY}, --trusted-world-key ${TRUSTED_WORLD_KEY})) 345 $(eval CRT_ARGS += $(if ${NON_TRUSTED_WORLD_KEY}, --non-trusted-world-key ${NON_TRUSTED_WORLD_KEY})) 346 $(eval CRT_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT}) 347 $(eval CRT_ARGS += $(if ${KEY_ALG}, --key-alg ${KEY_ALG})) 348endif 349 350# Check if -pedantic option should be used 351ifeq (${DISABLE_PEDANTIC},0) 352 CFLAGS += -pedantic 353endif 354 355locate-checkpatch: 356ifndef CHECKPATCH 357 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 358else 359ifeq (,$(wildcard ${CHECKPATCH})) 360 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 361endif 362endif 363 364clean: 365 @echo " CLEAN" 366 ${Q}rm -rf ${BUILD_PLAT} 367 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 368 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 369 370realclean distclean: 371 @echo " REALCLEAN" 372 ${Q}rm -rf ${BUILD_BASE} 373 ${Q}rm -f ${CURDIR}/cscope.* 374 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 375 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 376 377checkcodebase: locate-checkpatch 378 @echo " CHECKING STYLE" 379 @if test -d .git ; then \ 380 git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 381 else \ 382 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 383 fi 384 385checkpatch: locate-checkpatch 386 @echo " CHECKING STYLE" 387 ${Q}git log -p ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 388 389.PHONY: ${CRTTOOL} 390${CRTTOOL}: 391 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} 392 @echo 393 @echo "Built $@ successfully" 394 @echo 395 396.PHONY: ${FIPTOOL} 397${FIPTOOL}: 398 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 399 400define match_goals 401$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 402endef 403 404# List of rules that involve building things 405BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 406 407# Does the list of goals specified on the command line include a build target? 408ifneq ($(call match_goals,${BUILD_TARGETS}),) 409IS_ANYTHING_TO_BUILD := 1 410endif 411 412define MAKE_C 413 414$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 415$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 416 417$(OBJ) : $(2) 418 @echo " CC $$<" 419 $$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 420 421 422$(PREREQUISITES) : $(2) 423 @echo " DEPS $$@" 424 @mkdir -p $(1) 425 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 426 427ifdef IS_ANYTHING_TO_BUILD 428-include $(PREREQUISITES) 429endif 430 431endef 432 433 434define MAKE_S 435 436$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 437$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 438 439$(OBJ) : $(2) 440 @echo " AS $$<" 441 $$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 442 443$(PREREQUISITES) : $(2) 444 @echo " DEPS $$@" 445 @mkdir -p $(1) 446 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 447 448ifdef IS_ANYTHING_TO_BUILD 449-include $(PREREQUISITES) 450endif 451 452endef 453 454 455define MAKE_LD 456 457$(eval PREREQUISITES := $(1).d) 458 459$(1) : $(2) 460 @echo " PP $$<" 461 $$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$< 462 463$(PREREQUISITES) : $(2) 464 @echo " DEPS $$@" 465 @mkdir -p $$(dir $$@) 466 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 467 468ifdef IS_ANYTHING_TO_BUILD 469-include $(PREREQUISITES) 470endif 471 472endef 473 474 475define MAKE_OBJS 476 $(eval C_OBJS := $(filter %.c,$(2))) 477 $(eval REMAIN := $(filter-out %.c,$(2))) 478 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 479 480 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 481 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 482 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 483 484 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 485endef 486 487 488# NOTE: The line continuation '\' is required in the next define otherwise we 489# end up with a line-feed characer at the end of the last c filename. 490# Also bare this issue in mind if extending the list of supported filetypes. 491define SOURCES_TO_OBJS 492 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 493 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 494endef 495 496 497# MAKE_TOOL_ARGS macro defines the command line arguments for the FIP and CRT 498# tools at each BL stage. Arguments: 499# $(1) = BL stage (2, 30, 31, 32, 33) 500# $(2) = Binary file 501# $(3) = In FIP (false if empty) 502# $(4) = Create certificates (false if empty) 503# $(5) = Create key certificate (false if empty) 504# $(6) = Private key (optional) 505define MAKE_TOOL_ARGS 506 507$(eval FIP_DEPS += $(if $3,$(2),)) 508$(eval FIP_ARGS += $(if $3,--bl$(1) $(2),)) 509$(eval FIP_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt)) 510$(eval FIP_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt))) 511 512$(eval CRT_DEPS += $(if $4,$(2),)) 513$(eval CRT_ARGS += $(if $4,--bl$(1) $(2))) 514$(eval CRT_ARGS += $(if $4,$(if $6,--bl$(1)-key $(6)))) 515$(eval CRT_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt)) 516$(eval CRT_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt))) 517 518endef 519 520 521# MAKE_BL macro defines the targets and options to build each BL image. 522# Arguments: 523# $(1) = BL stage (2, 30, 31, 32, 33) 524# $(2) = In FIP (false if empty) 525# $(3) = Create certificates (false if empty) 526# $(4) = Create key certificate (false if empty) 527# $(5) = Private key (optional) 528define MAKE_BL 529 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 530 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 531 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 532 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 533 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 534 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 535 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 536 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 537 538 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 539 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 540 541$(BUILD_DIR) : 542 $$(Q)mkdir -p "$$@" 543 544$(ELF) : $(OBJS) $(LINKERFILE) 545 @echo " LD $$@" 546 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \ 547 const char version_string[] = "${VERSION_STRING}";' | \ 548 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 549 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 550 $(BUILD_DIR)/build_message.o $(OBJS) 551 552$(DUMP) : $(ELF) 553 @echo " OD $$@" 554 $${Q}$${OD} -dx $$< > $$@ 555 556$(BIN) : $(ELF) 557 @echo " BIN $$@" 558 $$(Q)$$(OC) -O binary $$< $$@ 559 @echo 560 @echo "Built $$@ successfully" 561 @echo 562 563.PHONY : bl$(1) 564bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 565 566all : bl$(1) 567 568$(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2),$(3),$(4),$(5))) 569 570endef 571 572 573ifeq (${NEED_BL1},yes) 574$(eval $(call MAKE_BL,1)) 575endif 576 577ifeq (${NEED_BL2},yes) 578$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},in_fip,${CERTS})),\ 579 $(eval $(call MAKE_BL,2,in_fip,${CERTS}))) 580endif 581 582ifeq (${NEED_BL31},yes) 583BL31_SOURCES += ${SPD_SOURCES} 584$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},in_fip,${CERTS},${CERTS},${BL31_KEY})),\ 585 $(eval $(call MAKE_BL,31,in_fip,${CERTS},${CERTS},${BL31_KEY}))) 586endif 587 588ifeq (${NEED_BL32},yes) 589$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},in_fip,${CERTS},${CERTS},${BL32_KEY})),\ 590 $(eval $(call MAKE_BL,32,in_fip,${CERTS},${CERTS},${BL32_KEY}))) 591endif 592 593ifeq (${NEED_BL30},yes) 594$(if ${BL30}, $(eval $(call MAKE_TOOL_ARGS,30,${BL30},in_fip,${CERTS},${CERTS},${BL30_KEY}))) 595 596# If BL3-0 is needed by the platform then 'BL30' variable must be defined. 597check_bl30: 598 $(if ${BL30},,$(error "To build a FIP for platform ${PLAT}, please set BL30 to point to the SCP firmware")) 599else 600 601# If BL3-0 is not needed by the platform but the user still specified the path 602# to a BL3-0 image then warn him that it will be ignored. 603check_bl30: 604 $(if ${BL30},$(warning "BL3-0 is not supported on platform ${PLAT}, it will just be ignored"),) 605endif 606 607ifeq (${NEED_BL33},yes) 608$(if ${BL33}, $(eval $(call MAKE_TOOL_ARGS,33,${BL33},in_fip,${CERTS},${CERTS},${BL33_KEY}))) 609 610# If BL3-3 is needed by the platform then 'BL33' variable must be defined. 611check_bl33: 612 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 613else 614 615# If BL3-3 is not needed by the platform but the user still specified the path 616# to a BL3-3 image then warn him that it will be ignored. 617check_bl33: 618 $(if ${BL33},$(warning "BL3-3 is not supported on platform ${PLAT}, it will just be ignored"),) 619endif 620 621# Add the dependency on the certificates 622ifneq (${GENERATE_COT},0) 623 fip: certificates 624endif 625 626certificates: ${CRT_DEPS} ${CRTTOOL} check_bl30 check_bl33 627 ${Q}${CRTTOOL} ${CRT_ARGS} 628 @echo 629 @echo "Built $@ successfully" 630 @echo "Certificates can be found in ${BUILD_PLAT}" 631 @echo 632 633${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} check_bl30 check_bl33 634 ${Q}${FIPTOOL} --dump \ 635 ${FIP_ARGS} \ 636 $@ 637 @echo 638 @echo "Built $@ successfully" 639 @echo 640 641 642cscope: 643 @echo " CSCOPE" 644 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 645 ${Q}cscope -b -q -k 646 647help: 648 @echo "usage: ${MAKE} PLAT=<${PLATFORMS}> [OPTIONS] [TARGET]" 649 @echo "" 650 @echo "PLAT is used to specify which platform you wish to build." 651 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 652 @echo "" 653 @echo "Please refer to the User Guide for a list of all supported options." 654 @echo "Note that the build system doesn't track dependencies for build " 655 @echo "options. Therefore, if any of the build options are changed " 656 @echo "from a previous build, a clean build must be performed." 657 @echo "" 658 @echo "Supported Targets:" 659 @echo " all Build all individual bootloader binaries" 660 @echo " bl1 Build the BL1 binary" 661 @echo " bl2 Build the BL2 binary" 662 @echo " bl31 Build the BL3-1 binary" 663 @echo " bl32 Build the BL3-2 binary" 664 @echo " fip Build the Firmware Image Package (FIP)" 665 @echo " checkcodebase Check the coding style of the entire source tree" 666 @echo " checkpatch Check the coding style on changes in the current" 667 @echo " branch against BASE_COMMIT (default origin/master)" 668 @echo " clean Clean the build for the selected platform" 669 @echo " cscope Generate cscope index" 670 @echo " distclean Remove all build artifacts for all platforms" 671 @echo " certtool Build the Certificate generation tool" 672 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 673 @echo "" 674 @echo "Note: most build targets require PLAT to be set to a specific platform." 675 @echo "" 676 @echo "example: build all targets for the FVP platform:" 677 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 678