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# Build flag to warn about usage of deprecated platform and framework APIs 86WARN_DEPRECATED := 0 87 88# Checkpatch ignores 89CHECK_IGNORE = --ignore COMPLEX_MACRO \ 90 --ignore GERRIT_CHANGE_ID \ 91 --ignore GIT_COMMIT_ID 92 93CHECKPATCH_ARGS = --no-tree --no-signoff ${CHECK_IGNORE} 94CHECKCODE_ARGS = --no-patch --no-tree --no-signoff ${CHECK_IGNORE} 95# Do not check the coding style on C library files 96CHECK_PATHS = $(shell ls -I include -I lib) \ 97 $(addprefix include/,$(shell ls -I stdlib include)) \ 98 $(addprefix lib/,$(shell ls -I stdlib lib)) 99 100ifeq (${V},0) 101 Q=@ 102 CHECKCODE_ARGS += --no-summary --terse 103else 104 Q= 105endif 106export Q 107 108ifneq (${DEBUG}, 0) 109 BUILD_TYPE := debug 110 # Use LOG_LEVEL_INFO by default for debug builds 111 LOG_LEVEL := 40 112else 113 BUILD_TYPE := release 114 # Use LOG_LEVEL_NOTICE by default for release builds 115 LOG_LEVEL := 20 116endif 117 118# Default build string (git branch and commit) 119ifeq (${BUILD_STRING},) 120 BUILD_STRING := $(shell git log -n 1 --pretty=format:"%h") 121endif 122 123VERSION_STRING := v${VERSION_MAJOR}.${VERSION_MINOR}(${BUILD_TYPE}):${BUILD_STRING} 124 125BL_COMMON_SOURCES := common/bl_common.c \ 126 common/tf_printf.c \ 127 common/aarch64/debug.S \ 128 lib/aarch64/cache_helpers.S \ 129 lib/aarch64/misc_helpers.S \ 130 lib/aarch64/xlat_helpers.c \ 131 lib/stdlib/std.c \ 132 plat/common/aarch64/platform_helpers.S 133 134BUILD_BASE := ./build 135BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${BUILD_TYPE} 136 137PLAT_MAKEFILE := platform.mk 138# Generate the platforms list by recursively searching for all directories 139# under /plat containing a PLAT_MAKEFILE. Append each platform with a `|` 140# char and strip out the final '|'. 141PLATFORMS := $(shell find plat/ -name '${PLAT_MAKEFILE}' -print0 | \ 142 sed -r 's%[^\x00]*\/([^/]*)\/${PLAT_MAKEFILE}\x00%\1|%g' | \ 143 sed -r 's/\|$$//') 144SPDS := $(shell ls -I none services/spd) 145 146# Convenience function for adding build definitions 147# $(eval $(call add_define,FOO)) will have: 148# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 149define add_define 150DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 151endef 152 153# Convenience function for verifying option has a boolean value 154# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 155define assert_boolean 156$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) 157endef 158 159ifeq (${PLAT},) 160 $(error "Error: Unknown platform. Please use PLAT=<platform name> to specify the platform") 161endif 162PLAT_MAKEFILE_FULL := $(shell find plat/ -wholename '*/${PLAT}/${PLAT_MAKEFILE}') 163ifeq ($(PLAT_MAKEFILE_FULL),) 164 $(error "Error: Invalid platform. The following platforms are available: ${PLATFORMS}") 165endif 166 167all: msg_start 168 169msg_start: 170 @echo "Building ${PLAT}" 171 172include ${PLAT_MAKEFILE_FULL} 173 174# If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default 175ifndef ENABLE_PLAT_COMPAT 176ENABLE_PLAT_COMPAT := 1 177endif 178 179# Include the platform compatibility helpers for PSCI 180ifneq (${ENABLE_PLAT_COMPAT}, 0) 181include plat/compat/plat_compat.mk 182endif 183 184# Include the CPU specific operations makefile. By default all CPU errata 185# workarounds and CPU specifc optimisations are disabled. This can be 186# overridden by the platform. 187include lib/cpus/cpu-ops.mk 188 189ifdef BL1_SOURCES 190NEED_BL1 := yes 191include bl1/bl1.mk 192endif 193 194ifdef BL2_SOURCES 195NEED_BL2 := yes 196include bl2/bl2.mk 197# Using the ARM Trusted Firmware BL2 implies that a BL3-3 image also need to be supplied for the FIP. 198# This flag can be overridden by the platform. 199NEED_BL33 ?= yes 200endif 201 202ifdef BL31_SOURCES 203NEED_BL31 := yes 204include bl31/bl31.mk 205endif 206 207# Include SPD Makefile if one has been specified 208ifneq (${SPD},none) 209 # We expect to locate an spd.mk under the specified SPD directory 210 SPD_MAKE := $(shell m="services/spd/${SPD}/${SPD}.mk"; [ -f "$$m" ] && echo "$$m") 211 212 ifeq (${SPD_MAKE},) 213 $(error Error: No services/spd/${SPD}/${SPD}.mk located) 214 endif 215 $(info Including ${SPD_MAKE}) 216 include ${SPD_MAKE} 217 218 # If there's BL3-2 companion for the chosen SPD, and the SPD wants to build the 219 # BL3-2 from source, we expect that the SPD's Makefile would set NEED_BL32 220 # variable to "yes". In case the BL3-2 is a binary which needs to be included in 221 # fip, then the NEED_BL32 needs to be set and BL3-2 would need to point to the bin. 222endif 223 224.PHONY: all msg_start clean realclean distclean cscope locate-checkpatch checkcodebase checkpatch fiptool fip certtool 225.SUFFIXES: 226 227INCLUDES += -Iinclude/bl31 \ 228 -Iinclude/bl31/services \ 229 -Iinclude/common \ 230 -Iinclude/drivers \ 231 -Iinclude/drivers/arm \ 232 -Iinclude/drivers/auth \ 233 -Iinclude/drivers/io \ 234 -Iinclude/drivers/ti/uart \ 235 -Iinclude/lib \ 236 -Iinclude/lib/aarch64 \ 237 -Iinclude/lib/cpus/aarch64 \ 238 -Iinclude/plat/common \ 239 -Iinclude/stdlib \ 240 -Iinclude/stdlib/sys \ 241 ${PLAT_INCLUDES} \ 242 ${SPD_INCLUDES} 243 244# Process DEBUG flag 245$(eval $(call assert_boolean,DEBUG)) 246$(eval $(call add_define,DEBUG)) 247ifeq (${DEBUG},0) 248 $(eval $(call add_define,NDEBUG)) 249else 250CFLAGS += -g 251ASFLAGS += -g -Wa,--gdwarf-2 252endif 253 254# Process PLAT flag 255$(eval $(call add_define,PLAT_${PLAT})) 256 257# Process NS_TIMER_SWITCH flag 258$(eval $(call assert_boolean,NS_TIMER_SWITCH)) 259$(eval $(call add_define,NS_TIMER_SWITCH)) 260 261# Process RESET_TO_BL31 flag 262$(eval $(call assert_boolean,RESET_TO_BL31)) 263$(eval $(call add_define,RESET_TO_BL31)) 264 265# Process CTX_INCLUDE_FPREGS flag 266$(eval $(call assert_boolean,CTX_INCLUDE_FPREGS)) 267$(eval $(call add_define,CTX_INCLUDE_FPREGS)) 268 269# Process ARM_GIC_ARCH flag 270$(eval $(call add_define,ARM_GIC_ARCH)) 271 272# Process ARM_CCI_PRODUCT_ID flag 273$(eval $(call add_define,ARM_CCI_PRODUCT_ID)) 274 275# Process ASM_ASSERTION flag 276$(eval $(call assert_boolean,ASM_ASSERTION)) 277$(eval $(call add_define,ASM_ASSERTION)) 278 279# Process LOG_LEVEL flag 280$(eval $(call add_define,LOG_LEVEL)) 281 282# Process USE_COHERENT_MEM flag 283$(eval $(call assert_boolean,USE_COHERENT_MEM)) 284$(eval $(call add_define,USE_COHERENT_MEM)) 285 286# Process PSCI_EXTENDED_STATE_ID flag 287$(eval $(call assert_boolean,PSCI_EXTENDED_STATE_ID)) 288$(eval $(call add_define,PSCI_EXTENDED_STATE_ID)) 289 290# Process Generate CoT flags 291$(eval $(call assert_boolean,GENERATE_COT)) 292$(eval $(call assert_boolean,CREATE_KEYS)) 293$(eval $(call assert_boolean,SAVE_KEYS)) 294 295# Process TRUSTED_BOARD_BOOT flag 296$(eval $(call assert_boolean,TRUSTED_BOARD_BOOT)) 297$(eval $(call add_define,TRUSTED_BOARD_BOOT)) 298 299# Process PROGRAMMABLE_RESET_ADDRESS flag 300$(eval $(call assert_boolean,PROGRAMMABLE_RESET_ADDRESS)) 301$(eval $(call add_define,PROGRAMMABLE_RESET_ADDRESS)) 302 303# Process ENABLE_PLAT_COMPAT flag 304$(eval $(call assert_boolean,ENABLE_PLAT_COMPAT)) 305$(eval $(call add_define,ENABLE_PLAT_COMPAT)) 306 307# Process WARN_DEPRECATED flag 308$(eval $(call assert_boolean,WARN_DEPRECATED)) 309$(eval $(call add_define,WARN_DEPRECATED)) 310 311ASFLAGS += -nostdinc -ffreestanding -Wa,--fatal-warnings \ 312 -Werror -Wmissing-include-dirs \ 313 -mgeneral-regs-only -D__ASSEMBLY__ \ 314 ${DEFINES} ${INCLUDES} 315CFLAGS += -nostdinc -ffreestanding -Wall \ 316 -Werror -Wmissing-include-dirs \ 317 -mgeneral-regs-only -std=c99 -c -Os \ 318 ${DEFINES} ${INCLUDES} 319CFLAGS += -ffunction-sections -fdata-sections 320 321LDFLAGS += --fatal-warnings -O1 322LDFLAGS += --gc-sections 323 324 325CC := ${CROSS_COMPILE}gcc 326CPP := ${CROSS_COMPILE}cpp 327AS := ${CROSS_COMPILE}gcc 328AR := ${CROSS_COMPILE}ar 329LD := ${CROSS_COMPILE}ld 330OC := ${CROSS_COMPILE}objcopy 331OD := ${CROSS_COMPILE}objdump 332NM := ${CROSS_COMPILE}nm 333PP := ${CROSS_COMPILE}gcc -E ${CFLAGS} 334 335# Variables for use with Firmware Image Package 336FIPTOOLPATH ?= tools/fip_create 337FIPTOOL ?= ${FIPTOOLPATH}/fip_create 338fiptool: ${FIPTOOL} 339fip: ${BUILD_PLAT}/${FIP_NAME} 340 341# Variables for use with Certificate Generation Tool 342CRTTOOLPATH ?= tools/cert_create 343CRTTOOL ?= ${CRTTOOLPATH}/cert_create 344certtool: ${CRTTOOL} 345 346# CoT generation tool default parameters 347TRUSTED_KEY_CERT := ${BUILD_PLAT}/trusted_key.crt 348 349# Pass the private keys to the CoT generation tool in the command line 350# If CREATE_KEYS is set, the '-n' option will be added, indicating the tool to create new keys 351ifneq (${GENERATE_COT},0) 352 $(eval CERTS := yes) 353 354 $(eval FIP_DEPS += certificates) 355 $(eval FIP_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT}) 356 357 ifneq (${CREATE_KEYS},0) 358 $(eval CRT_ARGS += -n) 359 ifneq (${SAVE_KEYS},0) 360 $(eval CRT_ARGS += -k) 361 endif 362 endif 363 $(eval CRT_ARGS += $(if ${ROT_KEY}, --rot-key ${ROT_KEY})) 364 $(eval CRT_ARGS += $(if ${TRUSTED_WORLD_KEY}, --trusted-world-key ${TRUSTED_WORLD_KEY})) 365 $(eval CRT_ARGS += $(if ${NON_TRUSTED_WORLD_KEY}, --non-trusted-world-key ${NON_TRUSTED_WORLD_KEY})) 366 $(eval CRT_ARGS += --trusted-key-cert ${TRUSTED_KEY_CERT}) 367 $(eval CRT_ARGS += $(if ${KEY_ALG}, --key-alg ${KEY_ALG})) 368endif 369 370# Check if -pedantic option should be used 371ifeq (${DISABLE_PEDANTIC},0) 372 CFLAGS += -pedantic 373endif 374 375locate-checkpatch: 376ifndef CHECKPATCH 377 $(error "Please set CHECKPATCH to point to the Linux checkpatch.pl file, eg: CHECKPATCH=../linux/script/checkpatch.pl") 378else 379ifeq (,$(wildcard ${CHECKPATCH})) 380 $(error "The file CHECKPATCH points to cannot be found, use eg: CHECKPATCH=../linux/script/checkpatch.pl") 381endif 382endif 383 384clean: 385 @echo " CLEAN" 386 ${Q}rm -rf ${BUILD_PLAT} 387 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 388 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 389 390realclean distclean: 391 @echo " REALCLEAN" 392 ${Q}rm -rf ${BUILD_BASE} 393 ${Q}rm -f ${CURDIR}/cscope.* 394 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} clean 395 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} clean 396 397checkcodebase: locate-checkpatch 398 @echo " CHECKING STYLE" 399 @if test -d .git ; then \ 400 git ls-files | grep -v stdlib | while read GIT_FILE ; do ${CHECKPATCH} ${CHECKCODE_ARGS} -f $$GIT_FILE ; done ; \ 401 else \ 402 find . -type f -not -iwholename "*.git*" -not -iwholename "*build*" -not -iwholename "*stdlib*" -exec ${CHECKPATCH} ${CHECKCODE_ARGS} -f {} \; ; \ 403 fi 404 405checkpatch: locate-checkpatch 406 @echo " CHECKING STYLE" 407 ${Q}git log -p ${BASE_COMMIT}..HEAD -- ${CHECK_PATHS} | ${CHECKPATCH} ${CHECKPATCH_ARGS} - || true 408 409.PHONY: ${CRTTOOL} 410${CRTTOOL}: 411 ${Q}${MAKE} PLAT=${PLAT} --no-print-directory -C ${CRTTOOLPATH} 412 @echo 413 @echo "Built $@ successfully" 414 @echo 415 416.PHONY: ${FIPTOOL} 417${FIPTOOL}: 418 ${Q}${MAKE} --no-print-directory -C ${FIPTOOLPATH} 419 420define match_goals 421$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) 422endef 423 424# List of rules that involve building things 425BUILD_TARGETS := all bl1 bl2 bl31 bl32 fip 426 427# Does the list of goals specified on the command line include a build target? 428ifneq ($(call match_goals,${BUILD_TARGETS}),) 429IS_ANYTHING_TO_BUILD := 1 430endif 431 432define MAKE_C 433 434$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 435$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 436 437$(OBJ) : $(2) 438 @echo " CC $$<" 439 $$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 440 441 442$(PREREQUISITES) : $(2) 443 @echo " DEPS $$@" 444 @mkdir -p $(1) 445 $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< 446 447ifdef IS_ANYTHING_TO_BUILD 448-include $(PREREQUISITES) 449endif 450 451endef 452 453 454define MAKE_S 455 456$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 457$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) 458 459$(OBJ) : $(2) 460 @echo " AS $$<" 461 $$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ 462 463$(PREREQUISITES) : $(2) 464 @echo " DEPS $$@" 465 @mkdir -p $(1) 466 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< 467 468ifdef IS_ANYTHING_TO_BUILD 469-include $(PREREQUISITES) 470endif 471 472endef 473 474 475define MAKE_LD 476 477$(eval PREREQUISITES := $(1).d) 478 479$(1) : $(2) 480 @echo " PP $$<" 481 $$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$< 482 483$(PREREQUISITES) : $(2) 484 @echo " DEPS $$@" 485 @mkdir -p $$(dir $$@) 486 $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< 487 488ifdef IS_ANYTHING_TO_BUILD 489-include $(PREREQUISITES) 490endif 491 492endef 493 494 495define MAKE_OBJS 496 $(eval C_OBJS := $(filter %.c,$(2))) 497 $(eval REMAIN := $(filter-out %.c,$(2))) 498 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 499 500 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 501 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 502 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 503 504 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 505endef 506 507 508# NOTE: The line continuation '\' is required in the next define otherwise we 509# end up with a line-feed characer at the end of the last c filename. 510# Also bare this issue in mind if extending the list of supported filetypes. 511define SOURCES_TO_OBJS 512 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 513 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 514endef 515 516 517# MAKE_TOOL_ARGS macro defines the command line arguments for the FIP and CRT 518# tools at each BL stage. Arguments: 519# $(1) = BL stage (2, 30, 31, 32, 33) 520# $(2) = Binary file 521# $(3) = In FIP (false if empty) 522# $(4) = Create certificates (false if empty) 523# $(5) = Create key certificate (false if empty) 524# $(6) = Private key (optional) 525define MAKE_TOOL_ARGS 526 527$(eval FIP_DEPS += $(if $3,$(2),)) 528$(eval FIP_ARGS += $(if $3,--bl$(1) $(2),)) 529$(eval FIP_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt)) 530$(eval FIP_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt))) 531 532$(eval CRT_DEPS += $(if $4,$(2),)) 533$(eval CRT_ARGS += $(if $4,--bl$(1) $(2))) 534$(eval CRT_ARGS += $(if $4,$(if $6,--bl$(1)-key $(6)))) 535$(eval CRT_ARGS += $(if $4,--bl$(1)-cert $(BUILD_PLAT)/bl$(1).crt)) 536$(eval CRT_ARGS += $(if $4,$(if $5,--bl$(1)-key-cert $(BUILD_PLAT)/bl$(1)_key.crt))) 537 538endef 539 540 541# MAKE_BL macro defines the targets and options to build each BL image. 542# Arguments: 543# $(1) = BL stage (2, 30, 31, 32, 33) 544# $(2) = In FIP (false if empty) 545# $(3) = Create certificates (false if empty) 546# $(4) = Create key certificate (false if empty) 547# $(5) = Private key (optional) 548define MAKE_BL 549 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 550 $(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 551 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 552 $(eval LINKERFILE := $(BUILD_DIR)/bl$(1).ld) 553 $(eval MAPFILE := $(BUILD_DIR)/bl$(1).map) 554 $(eval ELF := $(BUILD_DIR)/bl$(1).elf) 555 $(eval DUMP := $(BUILD_DIR)/bl$(1).dump) 556 $(eval BIN := $(BUILD_PLAT)/bl$(1).bin) 557 558 $(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 559 $(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) 560 561$(BUILD_DIR) : 562 $$(Q)mkdir -p "$$@" 563 564$(ELF) : $(OBJS) $(LINKERFILE) 565 @echo " LD $$@" 566 @echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \ 567 const char version_string[] = "${VERSION_STRING}";' | \ 568 $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o 569 $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ 570 $(BUILD_DIR)/build_message.o $(OBJS) 571 572$(DUMP) : $(ELF) 573 @echo " OD $$@" 574 $${Q}$${OD} -dx $$< > $$@ 575 576$(BIN) : $(ELF) 577 @echo " BIN $$@" 578 $$(Q)$$(OC) -O binary $$< $$@ 579 @echo 580 @echo "Built $$@ successfully" 581 @echo 582 583.PHONY : bl$(1) 584bl$(1) : $(BUILD_DIR) $(BIN) $(DUMP) 585 586all : bl$(1) 587 588$(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2),$(3),$(4),$(5))) 589 590endef 591 592 593ifeq (${NEED_BL1},yes) 594$(eval $(call MAKE_BL,1)) 595endif 596 597ifeq (${NEED_BL2},yes) 598$(if ${BL2}, $(eval $(call MAKE_TOOL_ARGS,2,${BL2},in_fip,${CERTS})),\ 599 $(eval $(call MAKE_BL,2,in_fip,${CERTS}))) 600endif 601 602ifeq (${NEED_BL31},yes) 603BL31_SOURCES += ${SPD_SOURCES} 604$(if ${BL31}, $(eval $(call MAKE_TOOL_ARGS,31,${BL31},in_fip,${CERTS},${CERTS},${BL31_KEY})),\ 605 $(eval $(call MAKE_BL,31,in_fip,${CERTS},${CERTS},${BL31_KEY}))) 606endif 607 608ifeq (${NEED_BL32},yes) 609$(if ${BL32}, $(eval $(call MAKE_TOOL_ARGS,32,${BL32},in_fip,${CERTS},${CERTS},${BL32_KEY})),\ 610 $(eval $(call MAKE_BL,32,in_fip,${CERTS},${CERTS},${BL32_KEY}))) 611endif 612 613ifeq (${NEED_BL30},yes) 614$(if ${BL30}, $(eval $(call MAKE_TOOL_ARGS,30,${BL30},in_fip,${CERTS},${CERTS},${BL30_KEY}))) 615 616# If BL3-0 is needed by the platform then 'BL30' variable must be defined. 617check_bl30: 618 $(if ${BL30},,$(error "To build a FIP for platform ${PLAT}, please set BL30 to point to the SCP firmware")) 619else 620 621# If BL3-0 is not needed by the platform but the user still specified the path 622# to a BL3-0 image then warn him that it will be ignored. 623check_bl30: 624 $(if ${BL30},$(warning "BL3-0 is not supported on platform ${PLAT}, it will just be ignored"),) 625endif 626 627ifeq (${NEED_BL33},yes) 628$(if ${BL33}, $(eval $(call MAKE_TOOL_ARGS,33,${BL33},in_fip,${CERTS},${CERTS},${BL33_KEY}))) 629 630# If BL3-3 is needed by the platform then 'BL33' variable must be defined. 631check_bl33: 632 $(if ${BL33},,$(error "To build a FIP, please set BL33 to point to the Normal World binary, eg: BL33=../uefi/FVP_AARCH64_EFI.fd")) 633else 634 635# If BL3-3 is not needed by the platform but the user still specified the path 636# to a BL3-3 image then warn him that it will be ignored. 637check_bl33: 638 $(if ${BL33},$(warning "BL3-3 is not supported on platform ${PLAT}, it will just be ignored"),) 639endif 640 641# Add the dependency on the certificates 642ifneq (${GENERATE_COT},0) 643 fip: certificates 644endif 645 646certificates: ${CRT_DEPS} ${CRTTOOL} check_bl30 check_bl33 647 ${Q}${CRTTOOL} ${CRT_ARGS} 648 @echo 649 @echo "Built $@ successfully" 650 @echo "Certificates can be found in ${BUILD_PLAT}" 651 @echo 652 653${BUILD_PLAT}/${FIP_NAME}: ${FIP_DEPS} ${FIPTOOL} check_bl30 check_bl33 654 ${Q}${FIPTOOL} --dump \ 655 ${FIP_ARGS} \ 656 $@ 657 @echo 658 @echo "Built $@ successfully" 659 @echo 660 661 662cscope: 663 @echo " CSCOPE" 664 ${Q}find ${CURDIR} -name "*.[chsS]" > cscope.files 665 ${Q}cscope -b -q -k 666 667help: 668 @echo "usage: ${MAKE} PLAT=<${PLATFORMS}> [OPTIONS] [TARGET]" 669 @echo "" 670 @echo "PLAT is used to specify which platform you wish to build." 671 @echo "If no platform is specified, PLAT defaults to: ${DEFAULT_PLAT}" 672 @echo "" 673 @echo "Please refer to the User Guide for a list of all supported options." 674 @echo "Note that the build system doesn't track dependencies for build " 675 @echo "options. Therefore, if any of the build options are changed " 676 @echo "from a previous build, a clean build must be performed." 677 @echo "" 678 @echo "Supported Targets:" 679 @echo " all Build all individual bootloader binaries" 680 @echo " bl1 Build the BL1 binary" 681 @echo " bl2 Build the BL2 binary" 682 @echo " bl31 Build the BL3-1 binary" 683 @echo " bl32 Build the BL3-2 binary" 684 @echo " fip Build the Firmware Image Package (FIP)" 685 @echo " checkcodebase Check the coding style of the entire source tree" 686 @echo " checkpatch Check the coding style on changes in the current" 687 @echo " branch against BASE_COMMIT (default origin/master)" 688 @echo " clean Clean the build for the selected platform" 689 @echo " cscope Generate cscope index" 690 @echo " distclean Remove all build artifacts for all platforms" 691 @echo " certtool Build the Certificate generation tool" 692 @echo " fiptool Build the Firmware Image Package(FIP) creation tool" 693 @echo "" 694 @echo "Note: most build targets require PLAT to be set to a specific platform." 695 @echo "" 696 @echo "example: build all targets for the FVP platform:" 697 @echo " CROSS_COMPILE=aarch64-none-elf- make PLAT=fvp all" 698