1# 2# Copyright (c) 2015-2023, 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 $$(eval)) 11endif 12 13# Some utility macros for manipulating awkward (whitespace) characters. 14blank := 15space :=${blank} ${blank} 16comma := , 17 18# A user defined function to recursively search for a filename below a directory 19# $1 is the directory root of the recursive search (blank for current directory). 20# $2 is the file name to search for. 21define rwildcard 22$(strip $(foreach d,$(wildcard ${1}*),$(call rwildcard,${d}/,${2}) $(filter $(subst *,%,%${2}),${d}))) 23endef 24 25# This table is used in converting lower case to upper case. 26uppercase_table:=a,A b,B c,C d,D e,E f,F g,G h,H i,I j,J k,K l,L m,M n,N o,O p,P q,Q r,R s,S t,T u,U v,V w,W x,X y,Y z,Z 27 28# Internal macro used for converting lower case to upper case. 29# $(1) = upper case table 30# $(2) = String to convert 31define uppercase_internal 32$(if $(1),$$(subst $(firstword $(1)),$(call uppercase_internal,$(wordlist 2,$(words $(1)),$(1)),$(2))),$(2)) 33endef 34 35# A macro for converting a string to upper case 36# $(1) = String to convert 37define uppercase 38$(eval uppercase_result:=$(call uppercase_internal,$(uppercase_table),$(1)))$(uppercase_result) 39endef 40 41# Convenience function for setting a variable to 0 if not previously set 42# $(eval $(call default_zero,FOO)) 43define default_zero 44 $(eval $(1) ?= 0) 45endef 46 47# Convenience function for setting a list of variables to 0 if not previously set 48# $(eval $(call default_zeros,FOO BAR)) 49define default_zeros 50 $(foreach var,$1,$(eval $(call default_zero,$(var)))) 51endef 52 53# Convenience function for adding build definitions 54# $(eval $(call add_define,FOO)) will have: 55# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 56define add_define 57 DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 58endef 59 60# Convenience function for addding multiple build definitions 61# $(eval $(call add_defines,FOO BOO)) 62define add_defines 63 $(foreach def,$1,$(eval $(call add_define,$(def)))) 64endef 65 66# Convenience function for adding build definitions 67# $(eval $(call add_define_val,FOO,BAR)) will have: 68# -DFOO=BAR 69define add_define_val 70 DEFINES += -D$(1)=$(2) 71endef 72 73# Convenience function for verifying option has a boolean value 74# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 75define assert_boolean 76 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean)) 77endef 78 79# Convenience function for verifying options have boolean values 80# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values 81define assert_booleans 82 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool)))) 83endef 84 850-9 := 0 1 2 3 4 5 6 7 8 9 86 87# Function to verify that a given option $(1) contains a numeric value 88define assert_numeric 89$(if $($(1)),,$(error $(1) must not be empty)) 90$(eval __numeric := $($(1))) 91$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) 92$(if $(__numeric),$(error $(1) must be numeric)) 93endef 94 95# Convenience function for verifying options have numeric values 96# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values 97define assert_numerics 98 $(foreach num,$1,$(eval $(call assert_numeric,$(num)))) 99endef 100 101# Convenience function to check for a given linker option. An call to 102# $(call ld_option, --no-XYZ) will return --no-XYZ if supported by the linker 103define ld_option 104 $(shell if $(LD) $(1) -v >/dev/null 2>&1; then echo $(1); fi ) 105endef 106 107# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to 108# $(2) and assign the sequence to $(1) 109define CREATE_SEQ 110$(if $(word $(2), $($(1))),\ 111 $(eval $(1) += $(words $($(1))))\ 112 $(eval $(1) := $(filter-out 0,$($(1)))),\ 113 $(eval $(1) += $(words $($(1))))\ 114 $(call CREATE_SEQ,$(1),$(2))\ 115) 116endef 117 118# IMG_MAPFILE defines the output file describing the memory map corresponding 119# to a BL stage 120# $(1) = BL stage 121define IMG_MAPFILE 122 ${BUILD_DIR}/$(1).map 123endef 124 125# IMG_ELF defines the elf file corresponding to a BL stage 126# $(1) = BL stage 127define IMG_ELF 128 ${BUILD_DIR}/$(1).elf 129endef 130 131# IMG_DUMP defines the symbols dump file corresponding to a BL stage 132# $(1) = BL stage 133define IMG_DUMP 134 ${BUILD_DIR}/$(1).dump 135endef 136 137# IMG_BIN defines the default image file corresponding to a BL stage 138# $(1) = BL stage 139define IMG_BIN 140 ${BUILD_PLAT}/$(1).bin 141endef 142 143# IMG_ENC_BIN defines the default encrypted image file corresponding to a 144# BL stage 145# $(1) = BL stage 146define IMG_ENC_BIN 147 ${BUILD_PLAT}/$(1)_enc.bin 148endef 149 150# ENCRYPT_FW invokes enctool to encrypt firmware binary 151# $(1) = input firmware binary 152# $(2) = output encrypted firmware binary 153define ENCRYPT_FW 154$(2): $(1) enctool 155 $$(ECHO) " ENC $$<" 156 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ 157endef 158 159# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to 160# package a new payload and/or by cert_create to generate certificate. 161# Optionally, it adds the dependency on this payload 162# $(1) = payload filename (i.e. bl31.bin) 163# $(2) = command line option for the specified payload (i.e. --soc-fw) 164# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 165# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 166# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 167define TOOL_ADD_PAYLOAD 168ifneq ($(5),) 169 $(4)FIP_ARGS += $(2) $(5) 170 $(if $(3),$(4)CRT_DEPS += $(1)) 171else 172 $(4)FIP_ARGS += $(2) $(1) 173 $(if $(3),$(4)CRT_DEPS += $(3)) 174endif 175 $(if $(3),$(4)FIP_DEPS += $(3)) 176 $(4)CRT_ARGS += $(2) $(1) 177endef 178 179# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters 180# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined. 181# $(1) = image_type (scp_bl2, bl33, etc.) 182# $(2) = payload filepath (ex. build/fvp/release/bl31.bin) 183# $(3) = command line option for the specified payload (ex. --soc-fw) 184# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 185# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 186# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 187 188define TOOL_ADD_IMG_PAYLOAD 189 190$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER)) 191 192ifneq ($(PRE_TOOL_FILTER),) 193 194$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX)) 195 196$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) 197 198$(PROCESSED_PATH): $(4) 199 200$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) 201 202else 203$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) 204endif 205endef 206 207# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation 208# $(1) = parameter filename 209# $(2) = cert_create command line option for the specified parameter 210# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 211define CERT_ADD_CMD_OPT 212 $(3)CRT_ARGS += $(2) $(1) 213endef 214 215# TOOL_ADD_IMG allows the platform to specify an external image to be packed 216# in the FIP and/or for which certificate is generated. It also adds a 217# dependency on the image file, aborting the build if the file does not exist. 218# $(1) = image_type (scp_bl2, bl33, etc.) 219# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) 220# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 221# $(4) = Image encryption flag (optional) (0, 1) 222# Example: 223# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 224define TOOL_ADD_IMG 225 # Build option to specify the image filename (SCP_BL2, BL33, etc) 226 # This is the uppercase form of the first parameter 227 $(eval _V := $(call uppercase,$(1))) 228 229 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also 230 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the 231 # target ${BUILD_PLAT}/${$(3)FIP_NAME}. 232 $(eval check_$(1)_cmd := \ 233 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \ 234 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \ 235 ) 236 237 $(3)CRT_DEPS += check_$(1) 238 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd) 239ifeq ($(4),1) 240 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin) 241 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN)) 242 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ 243 $(ENC_BIN)) 244else 245 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3)) 246endif 247 248.PHONY: check_$(1) 249check_$(1): 250 $(check_$(1)_cmd) 251endef 252 253# SELECT_OPENSSL_API_VERSION selects the OpenSSL API version to be used to 254# build the host tools by checking the version of OpenSSL located under 255# the path defined by the OPENSSL_DIR variable. It receives no parameters. 256define SELECT_OPENSSL_API_VERSION 257 # Set default value for USING_OPENSSL3 macro to 0 258 $(eval USING_OPENSSL3 = 0) 259 # Obtain the OpenSSL version for the build located under OPENSSL_DIR 260 $(eval OPENSSL_INFO := $(shell LD_LIBRARY_PATH=${OPENSSL_DIR}:${OPENSSL_DIR}/lib ${OPENSSL_BIN_PATH}/openssl version)) 261 $(eval OPENSSL_CURRENT_VER = $(word 2, ${OPENSSL_INFO})) 262 $(eval OPENSSL_CURRENT_VER_MAJOR = $(firstword $(subst ., ,$(OPENSSL_CURRENT_VER)))) 263 # If OpenSSL version is 3.x, then set USING_OPENSSL3 flag to 1 264 $(if $(filter 3,$(OPENSSL_CURRENT_VER_MAJOR)), $(eval USING_OPENSSL3 = 1)) 265endef 266 267################################################################################ 268# Generic image processing filters 269################################################################################ 270 271# GZIP 272define GZIP_RULE 273$(1): $(2) 274 $(ECHO) " GZIP $$@" 275 $(Q)gzip -n -f -9 $$< --stdout > $$@ 276endef 277 278GZIP_SUFFIX := .gz 279 280################################################################################ 281# Auxiliary macros to build TF images from sources 282################################################################################ 283 284MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP 285 286 287# MAKE_C_LIB builds a C source file and generates the dependency file 288# $(1) = output directory 289# $(2) = source file (%.c) 290# $(3) = library name 291define MAKE_C_LIB 292$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 293$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 294$(eval LIB := $(call uppercase, $(notdir $(1)))) 295 296$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 297 $$(ECHO) " CC $$<" 298 $$(Q)$$(CC) $$($(LIB)_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 299 300-include $(DEP) 301 302endef 303 304# MAKE_S_LIB builds an assembly source file and generates the dependency file 305# $(1) = output directory 306# $(2) = source file (%.S) 307# $(3) = library name 308define MAKE_S_LIB 309$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 310$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 311 312$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 313 $$(ECHO) " AS $$<" 314 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 315 316-include $(DEP) 317 318endef 319 320 321# MAKE_C builds a C source file and generates the dependency file 322# $(1) = output directory 323# $(2) = source file (%.c) 324# $(3) = BL stage 325define MAKE_C 326 327$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 328$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 329 330$(eval BL_DEFINES := $($(call uppercase,$(3))_DEFINES)) 331$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS)) 332$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3)) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS))) 333$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS)) 334 335$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 336 $$(ECHO) " CC $$<" 337 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 338 339-include $(DEP) 340 341endef 342 343 344# MAKE_S builds an assembly source file and generates the dependency file 345# $(1) = output directory 346# $(2) = assembly file (%.S) 347# $(3) = BL stage 348define MAKE_S 349 350$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 351$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 352 353$(eval BL_DEFINES := $($(call uppercase,$(3))_DEFINES)) 354$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS)) 355$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3)) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS))) 356$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS)) 357 358$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 359 $$(ECHO) " AS $$<" 360 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 361 362-include $(DEP) 363 364endef 365 366 367# MAKE_LD generate the linker script using the C preprocessor 368# $(1) = output linker script 369# $(2) = input template 370# $(3) = BL stage 371define MAKE_LD 372 373$(eval DEP := $(1).d) 374 375$(eval BL_DEFINES := $($(call uppercase,$(3))_DEFINES)) 376$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS)) 377$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3)) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS))) 378 379$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 380 $$(ECHO) " PP $$<" 381 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$< 382 383-include $(DEP) 384 385endef 386 387# MAKE_LIB_OBJS builds both C and assembly source files 388# $(1) = output directory 389# $(2) = list of source files 390# $(3) = name of the library 391define MAKE_LIB_OBJS 392 $(eval C_OBJS := $(filter %.c,$(2))) 393 $(eval REMAIN := $(filter-out %.c,$(2))) 394 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3)))) 395 396 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 397 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 398 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3)))) 399 400 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 401endef 402 403 404# MAKE_OBJS builds both C and assembly source files 405# $(1) = output directory 406# $(2) = list of source files (both C and assembly) 407# $(3) = BL stage 408define MAKE_OBJS 409 $(eval C_OBJS := $(filter %.c,$(2))) 410 $(eval REMAIN := $(filter-out %.c,$(2))) 411 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 412 413 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 414 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 415 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 416 417 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 418endef 419 420 421# NOTE: The line continuation '\' is required in the next define otherwise we 422# end up with a line-feed characer at the end of the last c filename. 423# Also bear this issue in mind if extending the list of supported filetypes. 424define SOURCES_TO_OBJS 425 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 426 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 427endef 428 429# Allow overriding the timestamp, for example for reproducible builds, or to 430# synchronize timestamps across multiple projects. 431# This must be set to a C string (including quotes where applicable). 432BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ 433 434.PHONY: libraries 435 436# MAKE_LIB_DIRS macro defines the target for the directory where 437# libraries are created 438define MAKE_LIB_DIRS 439 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 440 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 441 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper) 442 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT})) 443 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT})) 444 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT})) 445endef 446 447# MAKE_LIB macro defines the targets and options to build each BL image. 448# Arguments: 449# $(1) = Library name 450define MAKE_LIB 451 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1)) 452 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 453 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 454 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS)) 455 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 456 457$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 458$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 459 460.PHONY : lib${1}_dirs 461lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR} 462libraries: ${LIB_DIR}/lib$(1).a 463ifneq ($(findstring armlink,$(notdir $(LD))),) 464LDPATHS = --userlibpath=${LIB_DIR} 465LDLIBS += --library=$(1) 466else 467LDPATHS = -L${LIB_DIR} 468LDLIBS += -l$(1) 469endif 470 471ifeq ($(USE_ROMLIB),1) 472LIBWRAPPER = -lwrappers 473endif 474 475all: ${LIB_DIR}/lib$(1).a 476 477${LIB_DIR}/lib$(1).a: $(OBJS) 478 $$(ECHO) " AR $$@" 479 $$(Q)$$(AR) cr $$@ $$? 480endef 481 482# Generate the path to one or more preprocessed linker scripts given the paths 483# of their sources. 484# 485# Arguments: 486# $(1) = path to one or more linker script sources 487define linker_script_path 488 $(patsubst %.S,$(BUILD_DIR)/%,$(1)) 489endef 490 491# MAKE_BL macro defines the targets and options to build each BL image. 492# Arguments: 493# $(1) = BL stage 494# $(2) = FIP command line option (if empty, image will not be included in the FIP) 495# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 496# $(4) = BL encryption flag (optional) (0, 1) 497define MAKE_BL 498 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1)) 499 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES)) 500 $(eval SOURCES := $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 501 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 502 $(eval MAPFILE := $(call IMG_MAPFILE,$(1))) 503 $(eval ELF := $(call IMG_ELF,$(1))) 504 $(eval DUMP := $(call IMG_DUMP,$(1))) 505 $(eval BIN := $(call IMG_BIN,$(1))) 506 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) 507 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS)) 508 509 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(call uppercase,$(1))_DEFAULT_LINKER_SCRIPT_SOURCE)) 510 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE))) 511 512 $(eval LINKER_SCRIPT_SOURCES := $($(call uppercase,$(1))_LINKER_SCRIPT_SOURCES)) 513 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES))) 514 515 # We use sort only to get a list of unique object directory names. 516 # ordering is not relevant but sort removes duplicates. 517 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${DEFAULT_LINKER_SCRIPT} ${LINKER_SCRIPTS}))) 518 # The $(dir ) function leaves a trailing / on the directory names 519 # Rip off the / to match directory names with make rule targets. 520 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS))) 521 522# Create generators for object directory structure 523 524$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 525 526$(eval $(foreach objd,${OBJ_DIRS}, 527 $(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 528 529.PHONY : ${1}_dirs 530 531# We use order-only prerequisites to ensure that directories are created, 532# but do not cause re-builds every time a file is written. 533${1}_dirs: | ${OBJ_DIRS} 534 535$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 536 537# Generate targets to preprocess each required linker script 538$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \ 539 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1)))) 540 541$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS)) 542 543ifeq ($(USE_ROMLIB),1) 544$(ELF): romlib.bin 545endif 546 547# MODULE_OBJS can be assigned by vendors with different compiled 548# object file path, and prebuilt object file path. 549$(eval OBJS += $(MODULE_OBJS)) 550 551$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS) 552 $$(ECHO) " LD $$@" 553ifdef MAKE_BUILD_STRINGS 554 $(call MAKE_BUILD_STRINGS, $(BUILD_DIR)/build_message.o) 555else 556 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \ 557 const char version_string[] = "${VERSION_STRING}"; \ 558 const char version[] = "${VERSION}";' | \ 559 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o 560endif 561ifneq ($(findstring armlink,$(notdir $(LD))),) 562 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \ 563 --predefine="-D__LINKER__=$(__LINKER__)" \ 564 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \ 565 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \ 566 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \ 567 $(BUILD_DIR)/build_message.o $(OBJS) 568else ifneq ($(findstring gcc,$(notdir $(LD))),) 569 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Wl,-Map=$(MAPFILE) \ 570 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \ 571 $(BUILD_DIR)/build_message.o \ 572 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 573else 574 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \ 575 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \ 576 $(BUILD_DIR)/build_message.o \ 577 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 578endif 579ifeq ($(DISABLE_BIN_GENERATION),1) 580 @${ECHO_BLANK_LINE} 581 @echo "Built $$@ successfully" 582 @${ECHO_BLANK_LINE} 583endif 584 585$(DUMP): $(ELF) 586 $${ECHO} " OD $$@" 587 $${Q}$${OD} -dx $$< > $$@ 588 589$(BIN): $(ELF) 590 $${ECHO} " BIN $$@" 591 $$(Q)$$(OC) -O binary $$< $$@ 592 @${ECHO_BLANK_LINE} 593 @echo "Built $$@ successfully" 594 @${ECHO_BLANK_LINE} 595 596.PHONY: $(1) 597ifeq ($(DISABLE_BIN_GENERATION),1) 598$(1): $(ELF) $(DUMP) 599else 600$(1): $(BIN) $(DUMP) 601endif 602 603all: $(1) 604 605ifeq ($(4),1) 606$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) 607$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \ 608 $(ENC_BIN))) 609else 610$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3))) 611endif 612 613endef 614 615# Convert device tree source file names to matching blobs 616# $(1) = input dts 617define SOURCES_TO_DTBS 618 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) 619endef 620 621# MAKE_FDT_DIRS macro creates the prerequisite directories that host the 622# FDT binaries 623# $(1) = output directory 624# $(2) = input dts 625define MAKE_FDT_DIRS 626 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 627 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS}))) 628 # The $(dir ) function leaves a trailing / on the directory names 629 # Rip off the / to match directory names with make rule targets. 630 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS))) 631 632$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 633 634fdt_dirs: ${DTB_DIRS} 635endef 636 637# MAKE_DTB generate the Flattened device tree binary 638# $(1) = output directory 639# $(2) = input dts 640define MAKE_DTB 641 642# List of DTB file(s) to generate, based on DTS file basename list 643$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 644# List of the pre-compiled DTS file(s) 645$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) 646# Dependencies of the pre-compiled DTS file(s) on its source and included files 647$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) 648# Dependencies of the DT compilation on its pre-compiled DTS 649$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) 650 651$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs 652 $${ECHO} " CPP $$<" 653 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 654 $$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< 655 $${ECHO} " DTC $$<" 656 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE) 657 658-include $(DTBDEP) 659-include $(DTSDEP) 660 661endef 662 663# MAKE_DTBS builds flattened device tree sources 664# $(1) = output directory 665# $(2) = list of flattened device tree source files 666define MAKE_DTBS 667 $(eval DOBJS := $(filter %.dts,$(2))) 668 $(eval REMAIN := $(filter-out %.dts,$(2))) 669 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN))) 670 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) 671 672 $(eval $(call MAKE_FDT_DIRS,$(1),$(2))) 673 674dtbs: $(DTBS) 675all: dtbs 676endef 677