1# 2# Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7# Report an error if the eval make function is not available. 8$(eval eval_available := T) 9ifneq (${eval_available},T) 10 $(error This makefile only works with a Make program that supports $$(eval)) 11endif 12 13# Some utility macros for manipulating awkward (whitespace) characters. 14blank := 15space :=${blank} ${blank} 16 17# A user defined function to recursively search for a filename below a directory 18# $1 is the directory root of the recursive search (blank for current directory). 19# $2 is the file name to search for. 20define rwildcard 21$(strip $(foreach d,$(wildcard ${1}*),$(call rwildcard,${d}/,${2}) $(filter $(subst *,%,%${2}),${d}))) 22endef 23 24# This table is used in converting lower case to upper case. 25uppercase_table:=a,A b,B c,C d,D e,E f,F g,G h,H i,I j,J k,K l,L m,M n,N o,O p,P q,Q r,R s,S t,T u,U v,V w,W x,X y,Y z,Z 26 27# Internal macro used for converting lower case to upper case. 28# $(1) = upper case table 29# $(2) = String to convert 30define uppercase_internal 31$(if $(1),$$(subst $(firstword $(1)),$(call uppercase_internal,$(wordlist 2,$(words $(1)),$(1)),$(2))),$(2)) 32endef 33 34# A macro for converting a string to upper case 35# $(1) = String to convert 36define uppercase 37$(eval uppercase_result:=$(call uppercase_internal,$(uppercase_table),$(1)))$(uppercase_result) 38endef 39 40# Convenience function for adding build definitions 41# $(eval $(call add_define,FOO)) will have: 42# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 43define add_define 44 DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 45endef 46 47 48# Convenience function for addding multiple build definitions 49# $(eval $(call add_defines,FOO BOO)) 50define add_defines 51 $(foreach def,$1,$(eval $(call add_define,$(def)))) 52endef 53 54# Convenience function for adding build definitions 55# $(eval $(call add_define_val,FOO,BAR)) will have: 56# -DFOO=BAR 57define add_define_val 58 DEFINES += -D$(1)=$(2) 59endef 60 61# Convenience function for verifying option has a boolean value 62# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 63define assert_boolean 64 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean)) 65endef 66 67# Convenience function for verifying options have boolean values 68# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values 69define assert_booleans 70 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool)))) 71endef 72 730-9 := 0 1 2 3 4 5 6 7 8 9 74 75# Function to verify that a given option $(1) contains a numeric value 76define assert_numeric 77$(if $($(1)),,$(error $(1) must not be empty)) 78$(eval __numeric := $($(1))) 79$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) 80$(if $(__numeric),$(error $(1) must be numeric)) 81endef 82 83# Convenience function for verifying options have numeric values 84# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values 85define assert_numerics 86 $(foreach num,$1,$(eval $(call assert_numeric,$(num)))) 87endef 88 89# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to 90# $(2) and assign the sequence to $(1) 91define CREATE_SEQ 92$(if $(word $(2), $($(1))),\ 93 $(eval $(1) += $(words $($(1))))\ 94 $(eval $(1) := $(filter-out 0,$($(1)))),\ 95 $(eval $(1) += $(words $($(1))))\ 96 $(call CREATE_SEQ,$(1),$(2))\ 97) 98endef 99 100# IMG_LINKERFILE defines the linker script corresponding to a BL stage 101# $(1) = BL stage 102define IMG_LINKERFILE 103 ${BUILD_DIR}/$(1).ld 104endef 105 106# IMG_MAPFILE defines the output file describing the memory map corresponding 107# to a BL stage 108# $(1) = BL stage 109define IMG_MAPFILE 110 ${BUILD_DIR}/$(1).map 111endef 112 113# IMG_ELF defines the elf file corresponding to a BL stage 114# $(1) = BL stage 115define IMG_ELF 116 ${BUILD_DIR}/$(1).elf 117endef 118 119# IMG_DUMP defines the symbols dump file corresponding to a BL stage 120# $(1) = BL stage 121define IMG_DUMP 122 ${BUILD_DIR}/$(1).dump 123endef 124 125# IMG_BIN defines the default image file corresponding to a BL stage 126# $(1) = BL stage 127define IMG_BIN 128 ${BUILD_PLAT}/$(1).bin 129endef 130 131# IMG_ENC_BIN defines the default encrypted image file corresponding to a 132# BL stage 133# $(1) = BL stage 134define IMG_ENC_BIN 135 ${BUILD_PLAT}/$(1)_enc.bin 136endef 137 138# ENCRYPT_FW invokes enctool to encrypt firmware binary 139# $(1) = input firmware binary 140# $(2) = output encrypted firmware binary 141define ENCRYPT_FW 142$(2): $(1) enctool 143 $$(ECHO) " ENC $$<" 144 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ 145endef 146 147# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to 148# package a new payload and/or by cert_create to generate certificate. 149# Optionally, it adds the dependency on this payload 150# $(1) = payload filename (i.e. bl31.bin) 151# $(2) = command line option for the specified payload (i.e. --soc-fw) 152# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 153# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 154# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 155define TOOL_ADD_PAYLOAD 156ifneq ($(5),) 157 $(4)FIP_ARGS += $(2) $(5) 158 $(if $(3),$(4)CRT_DEPS += $(1)) 159else 160 $(4)FIP_ARGS += $(2) $(1) 161 $(if $(3),$(4)CRT_DEPS += $(3)) 162endif 163 $(if $(3),$(4)FIP_DEPS += $(3)) 164 $(4)CRT_ARGS += $(2) $(1) 165endef 166 167# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters 168# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined. 169# $(1) = image_type (scp_bl2, bl33, etc.) 170# $(2) = payload filepath (ex. build/fvp/release/bl31.bin) 171# $(3) = command line option for the specified payload (ex. --soc-fw) 172# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 173# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 174# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 175 176define TOOL_ADD_IMG_PAYLOAD 177 178$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER)) 179 180ifneq ($(PRE_TOOL_FILTER),) 181 182$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX)) 183 184$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) 185 186$(PROCESSED_PATH): $(4) 187 188$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) 189 190else 191$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) 192endif 193endef 194 195# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation 196# $(1) = parameter filename 197# $(2) = cert_create command line option for the specified parameter 198# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 199define CERT_ADD_CMD_OPT 200 $(3)CRT_ARGS += $(2) $(1) 201endef 202 203# TOOL_ADD_IMG allows the platform to specify an external image to be packed 204# in the FIP and/or for which certificate is generated. It also adds a 205# dependency on the image file, aborting the build if the file does not exist. 206# $(1) = image_type (scp_bl2, bl33, etc.) 207# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) 208# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 209# $(4) = Image encryption flag (optional) (0, 1) 210# Example: 211# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 212define TOOL_ADD_IMG 213 # Build option to specify the image filename (SCP_BL2, BL33, etc) 214 # This is the uppercase form of the first parameter 215 $(eval _V := $(call uppercase,$(1))) 216 217 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also 218 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the 219 # target ${BUILD_PLAT}/${$(3)FIP_NAME}. 220 $(eval check_$(1)_cmd := \ 221 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \ 222 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \ 223 ) 224 225 $(3)CRT_DEPS += check_$(1) 226 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd) 227ifeq ($(4),1) 228 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin) 229 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN)) 230 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ 231 $(ENC_BIN)) 232else 233 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3)) 234endif 235 236.PHONY: check_$(1) 237check_$(1): 238 $(check_$(1)_cmd) 239endef 240 241################################################################################ 242# Generic image processing filters 243################################################################################ 244 245# GZIP 246define GZIP_RULE 247$(1): $(2) 248 $(ECHO) " GZIP $$@" 249 $(Q)gzip -n -f -9 $$< --stdout > $$@ 250endef 251 252GZIP_SUFFIX := .gz 253 254################################################################################ 255# Auxiliary macros to build TF images from sources 256################################################################################ 257 258MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP 259 260 261# MAKE_C_LIB builds a C source file and generates the dependency file 262# $(1) = output directory 263# $(2) = source file (%.c) 264# $(3) = library name 265define MAKE_C_LIB 266$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 267$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 268 269$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 270 $$(ECHO) " CC $$<" 271 $$(Q)$$(CC) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 272 273-include $(DEP) 274 275endef 276 277# MAKE_S_LIB builds an assembly source file and generates the dependency file 278# $(1) = output directory 279# $(2) = source file (%.S) 280# $(3) = library name 281define MAKE_S_LIB 282$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 283$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 284 285$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 286 $$(ECHO) " AS $$<" 287 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 288 289-include $(DEP) 290 291endef 292 293 294# MAKE_C builds a C source file and generates the dependency file 295# $(1) = output directory 296# $(2) = source file (%.c) 297# $(3) = BL stage 298define MAKE_C 299 300$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 301$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 302$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3))) 303$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS)) 304 305$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 306 $$(ECHO) " CC $$<" 307 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 308 309-include $(DEP) 310 311endef 312 313 314# MAKE_S builds an assembly source file and generates the dependency file 315# $(1) = output directory 316# $(2) = assembly file (%.S) 317# $(3) = BL stage 318define MAKE_S 319 320$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 321$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 322$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3))) 323$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS)) 324 325$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 326 $$(ECHO) " AS $$<" 327 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 328 329-include $(DEP) 330 331endef 332 333 334# MAKE_LD generate the linker script using the C preprocessor 335# $(1) = output linker script 336# $(2) = input template 337# $(3) = BL stage 338define MAKE_LD 339 340$(eval DEP := $(1).d) 341$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3))) 342 343$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 344 $$(ECHO) " PP $$<" 345 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$< 346 347-include $(DEP) 348 349endef 350 351# MAKE_LIB_OBJS builds both C and assembly source files 352# $(1) = output directory 353# $(2) = list of source files 354# $(3) = name of the library 355define MAKE_LIB_OBJS 356 $(eval C_OBJS := $(filter %.c,$(2))) 357 $(eval REMAIN := $(filter-out %.c,$(2))) 358 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3)))) 359 360 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 361 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 362 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3)))) 363 364 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 365endef 366 367 368# MAKE_OBJS builds both C and assembly source files 369# $(1) = output directory 370# $(2) = list of source files (both C and assembly) 371# $(3) = BL stage 372define MAKE_OBJS 373 $(eval C_OBJS := $(filter %.c,$(2))) 374 $(eval REMAIN := $(filter-out %.c,$(2))) 375 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 376 377 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 378 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 379 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 380 381 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 382endef 383 384 385# NOTE: The line continuation '\' is required in the next define otherwise we 386# end up with a line-feed characer at the end of the last c filename. 387# Also bear this issue in mind if extending the list of supported filetypes. 388define SOURCES_TO_OBJS 389 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 390 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 391endef 392 393# Allow overriding the timestamp, for example for reproducible builds, or to 394# synchronize timestamps across multiple projects. 395# This must be set to a C string (including quotes where applicable). 396BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ 397 398.PHONY: libraries 399 400# MAKE_LIB_DIRS macro defines the target for the directory where 401# libraries are created 402define MAKE_LIB_DIRS 403 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 404 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 405 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper) 406 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT})) 407 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT})) 408 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT})) 409endef 410 411# MAKE_LIB macro defines the targets and options to build each BL image. 412# Arguments: 413# $(1) = Library name 414define MAKE_LIB 415 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1)) 416 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 417 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 418 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS)) 419 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 420 421$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 422$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 423 424.PHONY : lib${1}_dirs 425lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR} 426libraries: ${LIB_DIR}/lib$(1).a 427ifneq ($(findstring armlink,$(notdir $(LD))),) 428LDPATHS = --userlibpath=${LIB_DIR} 429LDLIBS += --library=$(1) 430else 431LDPATHS = -L${LIB_DIR} 432LDLIBS += -l$(1) 433endif 434 435ifeq ($(USE_ROMLIB),1) 436LIBWRAPPER = -lwrappers 437endif 438 439all: ${LIB_DIR}/lib$(1).a 440 441${LIB_DIR}/lib$(1).a: $(OBJS) 442 $$(ECHO) " AR $$@" 443 $$(Q)$$(AR) cr $$@ $$? 444endef 445 446# MAKE_BL macro defines the targets and options to build each BL image. 447# Arguments: 448# $(1) = BL stage 449# $(2) = FIP command line option (if empty, image will not be included in the FIP) 450# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 451# $(4) = BL encryption flag (optional) (0, 1) 452define MAKE_BL 453 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1)) 454 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES)) 455 $(eval SOURCES := $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 456 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 457 $(eval LINKERFILE := $(call IMG_LINKERFILE,$(1))) 458 $(eval MAPFILE := $(call IMG_MAPFILE,$(1))) 459 $(eval ELF := $(call IMG_ELF,$(1))) 460 $(eval DUMP := $(call IMG_DUMP,$(1))) 461 $(eval BIN := $(call IMG_BIN,$(1))) 462 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) 463 $(eval BL_LINKERFILE := $($(call uppercase,$(1))_LINKERFILE)) 464 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS)) 465 # We use sort only to get a list of unique object directory names. 466 # ordering is not relevant but sort removes duplicates. 467 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${LINKERFILE}))) 468 # The $(dir ) function leaves a trailing / on the directory names 469 # Rip off the / to match directory names with make rule targets. 470 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS))) 471 472# Create generators for object directory structure 473 474$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 475 476$(eval $(foreach objd,${OBJ_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 477 478.PHONY : ${1}_dirs 479 480# We use order-only prerequisites to ensure that directories are created, 481# but do not cause re-builds every time a file is written. 482${1}_dirs: | ${OBJ_DIRS} 483 484$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 485$(eval $(call MAKE_LD,$(LINKERFILE),$(BL_LINKERFILE),$(1))) 486$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS)) 487 488ifeq ($(USE_ROMLIB),1) 489$(ELF): romlib.bin 490endif 491 492# MODULE_OBJS can be assigned by vendors with different compiled 493# object file path, and prebuilt object file path. 494$(eval OBJS += $(MODULE_OBJS)) 495 496$(ELF): $(OBJS) $(LINKERFILE) | $(1)_dirs libraries $(BL_LIBS) 497 $$(ECHO) " LD $$@" 498ifdef MAKE_BUILD_STRINGS 499 $(call MAKE_BUILD_STRINGS, $(BUILD_DIR)/build_message.o) 500else 501 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \ 502 const char version_string[] = "${VERSION_STRING}";' | \ 503 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o 504endif 505ifneq ($(findstring armlink,$(notdir $(LD))),) 506 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \ 507 --predefine="-D__LINKER__=$(__LINKER__)" \ 508 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \ 509 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \ 510 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \ 511 $(BUILD_DIR)/build_message.o $(OBJS) 512else ifneq ($(findstring gcc,$(notdir $(LD))),) 513 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Wl,-Map=$(MAPFILE) \ 514 -Wl,-dT $(LINKERFILE) $(EXTRA_LINKERFILE) $(BUILD_DIR)/build_message.o \ 515 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 516else 517 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \ 518 --script $(LINKERFILE) $(BUILD_DIR)/build_message.o \ 519 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 520endif 521ifeq ($(DISABLE_BIN_GENERATION),1) 522 @${ECHO_BLANK_LINE} 523 @echo "Built $$@ successfully" 524 @${ECHO_BLANK_LINE} 525endif 526 527$(DUMP): $(ELF) 528 $${ECHO} " OD $$@" 529 $${Q}$${OD} -dx $$< > $$@ 530 531$(BIN): $(ELF) 532 $${ECHO} " BIN $$@" 533 $$(Q)$$(OC) -O binary $$< $$@ 534 @${ECHO_BLANK_LINE} 535 @echo "Built $$@ successfully" 536 @${ECHO_BLANK_LINE} 537 538.PHONY: $(1) 539ifeq ($(DISABLE_BIN_GENERATION),1) 540$(1): $(ELF) $(DUMP) 541else 542$(1): $(BIN) $(DUMP) 543endif 544 545all: $(1) 546 547ifeq ($(4),1) 548$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) 549$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \ 550 $(ENC_BIN))) 551else 552$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3))) 553endif 554 555endef 556 557# Convert device tree source file names to matching blobs 558# $(1) = input dts 559define SOURCES_TO_DTBS 560 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) 561endef 562 563# MAKE_FDT_DIRS macro creates the prerequisite directories that host the 564# FDT binaries 565# $(1) = output directory 566# $(2) = input dts 567define MAKE_FDT_DIRS 568 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 569 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS}))) 570 # The $(dir ) function leaves a trailing / on the directory names 571 # Rip off the / to match directory names with make rule targets. 572 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS))) 573 574$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 575 576fdt_dirs: ${DTB_DIRS} 577endef 578 579# MAKE_DTB generate the Flattened device tree binary 580# $(1) = output directory 581# $(2) = input dts 582define MAKE_DTB 583 584# List of DTB file(s) to generate, based on DTS file basename list 585$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 586# List of the pre-compiled DTS file(s) 587$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) 588# Dependencies of the pre-compiled DTS file(s) on its source and included files 589$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) 590# Dependencies of the DT compilation on its pre-compiled DTS 591$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) 592 593$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs 594 $${ECHO} " CPP $$<" 595 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 596 $$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< 597 $${ECHO} " DTC $$<" 598 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE) 599 600-include $(DTBDEP) 601-include $(DTSDEP) 602 603endef 604 605# MAKE_DTBS builds flattened device tree sources 606# $(1) = output directory 607# $(2) = list of flattened device tree source files 608define MAKE_DTBS 609 $(eval DOBJS := $(filter %.dts,$(2))) 610 $(eval REMAIN := $(filter-out %.dts,$(2))) 611 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN))) 612 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) 613 614 $(eval $(call MAKE_FDT_DIRS,$(1),$(2))) 615 616dtbs: $(DTBS) 617all: dtbs 618endef 619
