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# Convenience function to check for a given compiler option. A call to 108# $(call cc_option, --no-XYZ) will return --no-XYZ if supported by the compiler 109define cc_option 110 $(shell if $(CC) $(1) -c -x c /dev/null -o /dev/null >/dev/null 2>&1; then echo $(1); fi ) 111endef 112 113# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to 114# $(2) and assign the sequence to $(1) 115define CREATE_SEQ 116$(if $(word $(2), $($(1))),\ 117 $(eval $(1) += $(words $($(1))))\ 118 $(eval $(1) := $(filter-out 0,$($(1)))),\ 119 $(eval $(1) += $(words $($(1))))\ 120 $(call CREATE_SEQ,$(1),$(2))\ 121) 122endef 123 124# IMG_MAPFILE defines the output file describing the memory map corresponding 125# to a BL stage 126# $(1) = BL stage 127define IMG_MAPFILE 128 ${BUILD_DIR}/$(1).map 129endef 130 131# IMG_ELF defines the elf file corresponding to a BL stage 132# $(1) = BL stage 133define IMG_ELF 134 ${BUILD_DIR}/$(1).elf 135endef 136 137# IMG_DUMP defines the symbols dump file corresponding to a BL stage 138# $(1) = BL stage 139define IMG_DUMP 140 ${BUILD_DIR}/$(1).dump 141endef 142 143# IMG_BIN defines the default image file corresponding to a BL stage 144# $(1) = BL stage 145define IMG_BIN 146 ${BUILD_PLAT}/$(1).bin 147endef 148 149# IMG_ENC_BIN defines the default encrypted image file corresponding to a 150# BL stage 151# $(1) = BL stage 152define IMG_ENC_BIN 153 ${BUILD_PLAT}/$(1)_enc.bin 154endef 155 156# ENCRYPT_FW invokes enctool to encrypt firmware binary 157# $(1) = input firmware binary 158# $(2) = output encrypted firmware binary 159define ENCRYPT_FW 160$(2): $(1) enctool 161 $$(ECHO) " ENC $$<" 162 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ 163endef 164 165# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to 166# package a new payload and/or by cert_create to generate certificate. 167# Optionally, it adds the dependency on this payload 168# $(1) = payload filename (i.e. bl31.bin) 169# $(2) = command line option for the specified payload (i.e. --soc-fw) 170# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 171# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 172# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 173define TOOL_ADD_PAYLOAD 174ifneq ($(5),) 175 $(4)FIP_ARGS += $(2) $(5) 176 $(if $(3),$(4)CRT_DEPS += $(1)) 177else 178 $(4)FIP_ARGS += $(2) $(1) 179 $(if $(3),$(4)CRT_DEPS += $(3)) 180endif 181 $(if $(3),$(4)FIP_DEPS += $(3)) 182 $(4)CRT_ARGS += $(2) $(1) 183endef 184 185# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters 186# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined. 187# $(1) = image_type (scp_bl2, bl33, etc.) 188# $(2) = payload filepath (ex. build/fvp/release/bl31.bin) 189# $(3) = command line option for the specified payload (ex. --soc-fw) 190# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 191# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 192# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 193 194define TOOL_ADD_IMG_PAYLOAD 195 196$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER)) 197 198ifneq ($(PRE_TOOL_FILTER),) 199 200$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX)) 201 202$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) 203 204$(PROCESSED_PATH): $(4) 205 206$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) 207 208else 209$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) 210endif 211endef 212 213# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation 214# $(1) = parameter filename 215# $(2) = cert_create command line option for the specified parameter 216# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 217define CERT_ADD_CMD_OPT 218 $(3)CRT_ARGS += $(2) $(1) 219endef 220 221# TOOL_ADD_IMG allows the platform to specify an external image to be packed 222# in the FIP and/or for which certificate is generated. It also adds a 223# dependency on the image file, aborting the build if the file does not exist. 224# $(1) = image_type (scp_bl2, bl33, etc.) 225# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) 226# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 227# $(4) = Image encryption flag (optional) (0, 1) 228# Example: 229# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 230define TOOL_ADD_IMG 231 # Build option to specify the image filename (SCP_BL2, BL33, etc) 232 # This is the uppercase form of the first parameter 233 $(eval _V := $(call uppercase,$(1))) 234 235 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also 236 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the 237 # target ${BUILD_PLAT}/${$(3)FIP_NAME}. 238 $(eval check_$(1)_cmd := \ 239 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \ 240 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \ 241 ) 242 243 $(3)CRT_DEPS += check_$(1) 244 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd) 245ifeq ($(4),1) 246 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin) 247 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN)) 248 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ 249 $(ENC_BIN)) 250else 251 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3)) 252endif 253 254.PHONY: check_$(1) 255check_$(1): 256 $(check_$(1)_cmd) 257endef 258 259# SELECT_OPENSSL_API_VERSION selects the OpenSSL API version to be used to 260# build the host tools by checking the version of OpenSSL located under 261# the path defined by the OPENSSL_DIR variable. It receives no parameters. 262define SELECT_OPENSSL_API_VERSION 263 # Set default value for USING_OPENSSL3 macro to 0 264 $(eval USING_OPENSSL3 = 0) 265 # Obtain the OpenSSL version for the build located under OPENSSL_DIR 266 $(eval OPENSSL_INFO := $(shell LD_LIBRARY_PATH=${OPENSSL_DIR}:${OPENSSL_DIR}/lib ${OPENSSL_BIN_PATH}/openssl version)) 267 $(eval OPENSSL_CURRENT_VER = $(word 2, ${OPENSSL_INFO})) 268 $(eval OPENSSL_CURRENT_VER_MAJOR = $(firstword $(subst ., ,$(OPENSSL_CURRENT_VER)))) 269 # If OpenSSL version is 3.x, then set USING_OPENSSL3 flag to 1 270 $(if $(filter 3,$(OPENSSL_CURRENT_VER_MAJOR)), $(eval USING_OPENSSL3 = 1)) 271endef 272 273################################################################################ 274# Generic image processing filters 275################################################################################ 276 277# GZIP 278define GZIP_RULE 279$(1): $(2) 280 $(ECHO) " GZIP $$@" 281 $(Q)gzip -n -f -9 $$< --stdout > $$@ 282endef 283 284GZIP_SUFFIX := .gz 285 286################################################################################ 287# Auxiliary macros to build TF images from sources 288################################################################################ 289 290MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP 291 292 293# MAKE_C_LIB builds a C source file and generates the dependency file 294# $(1) = output directory 295# $(2) = source file (%.c) 296# $(3) = library name 297define MAKE_C_LIB 298$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 299$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 300$(eval LIB := $(call uppercase, $(notdir $(1)))) 301 302$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 303 $$(ECHO) " CC $$<" 304 $$(Q)$$(CC) $$($(LIB)_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 305 306-include $(DEP) 307 308endef 309 310# MAKE_S_LIB builds an assembly source file and generates the dependency file 311# $(1) = output directory 312# $(2) = source file (%.S) 313# $(3) = library name 314define MAKE_S_LIB 315$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 316$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 317 318$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 319 $$(ECHO) " AS $$<" 320 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 321 322-include $(DEP) 323 324endef 325 326 327# MAKE_C builds a C source file and generates the dependency file 328# $(1) = output directory 329# $(2) = source file (%.c) 330# $(3) = BL stage 331define MAKE_C 332 333$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 334$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 335 336$(eval BL_DEFINES := $($(call uppercase,$(3))_DEFINES)) 337$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS)) 338$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3)) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS))) 339$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS)) 340 341$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 342 $$(ECHO) " CC $$<" 343 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 344 345-include $(DEP) 346 347endef 348 349 350# MAKE_S builds an assembly source file and generates the dependency file 351# $(1) = output directory 352# $(2) = assembly file (%.S) 353# $(3) = BL stage 354define MAKE_S 355 356$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 357$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 358 359$(eval BL_DEFINES := $($(call uppercase,$(3))_DEFINES)) 360$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS)) 361$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3)) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS))) 362$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS)) 363 364$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 365 $$(ECHO) " AS $$<" 366 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 367 368-include $(DEP) 369 370endef 371 372 373# MAKE_LD generate the linker script using the C preprocessor 374# $(1) = output linker script 375# $(2) = input template 376# $(3) = BL stage 377define MAKE_LD 378 379$(eval DEP := $(1).d) 380 381$(eval BL_DEFINES := $($(call uppercase,$(3))_DEFINES)) 382$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS)) 383$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3)) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS))) 384 385$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 386 $$(ECHO) " PP $$<" 387 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$< 388 389-include $(DEP) 390 391endef 392 393# MAKE_LIB_OBJS builds both C and assembly source files 394# $(1) = output directory 395# $(2) = list of source files 396# $(3) = name of the library 397define MAKE_LIB_OBJS 398 $(eval C_OBJS := $(filter %.c,$(2))) 399 $(eval REMAIN := $(filter-out %.c,$(2))) 400 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3)))) 401 402 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 403 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 404 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3)))) 405 406 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 407endef 408 409 410# MAKE_OBJS builds both C and assembly source files 411# $(1) = output directory 412# $(2) = list of source files (both C and assembly) 413# $(3) = BL stage 414define MAKE_OBJS 415 $(eval C_OBJS := $(filter %.c,$(2))) 416 $(eval REMAIN := $(filter-out %.c,$(2))) 417 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 418 419 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 420 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 421 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 422 423 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 424endef 425 426 427# NOTE: The line continuation '\' is required in the next define otherwise we 428# end up with a line-feed characer at the end of the last c filename. 429# Also bear this issue in mind if extending the list of supported filetypes. 430define SOURCES_TO_OBJS 431 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 432 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 433endef 434 435# Allow overriding the timestamp, for example for reproducible builds, or to 436# synchronize timestamps across multiple projects. 437# This must be set to a C string (including quotes where applicable). 438BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ 439 440.PHONY: libraries 441 442# MAKE_LIB_DIRS macro defines the target for the directory where 443# libraries are created 444define MAKE_LIB_DIRS 445 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 446 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 447 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper) 448 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT})) 449 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT})) 450 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT})) 451endef 452 453# MAKE_LIB macro defines the targets and options to build each BL image. 454# Arguments: 455# $(1) = Library name 456define MAKE_LIB 457 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1)) 458 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 459 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 460 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS)) 461 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 462 463$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 464$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 465 466.PHONY : lib${1}_dirs 467lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR} 468libraries: ${LIB_DIR}/lib$(1).a 469ifneq ($(findstring armlink,$(notdir $(LD))),) 470LDPATHS = --userlibpath=${LIB_DIR} 471LDLIBS += --library=$(1) 472else 473LDPATHS = -L${LIB_DIR} 474LDLIBS += -l$(1) 475endif 476 477ifeq ($(USE_ROMLIB),1) 478LIBWRAPPER = -lwrappers 479endif 480 481all: ${LIB_DIR}/lib$(1).a 482 483${LIB_DIR}/lib$(1).a: $(OBJS) 484 $$(ECHO) " AR $$@" 485 $$(Q)$$(AR) cr $$@ $$? 486endef 487 488# Generate the path to one or more preprocessed linker scripts given the paths 489# of their sources. 490# 491# Arguments: 492# $(1) = path to one or more linker script sources 493define linker_script_path 494 $(patsubst %.S,$(BUILD_DIR)/%,$(1)) 495endef 496 497# MAKE_BL macro defines the targets and options to build each BL image. 498# Arguments: 499# $(1) = BL stage 500# $(2) = FIP command line option (if empty, image will not be included in the FIP) 501# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 502# $(4) = BL encryption flag (optional) (0, 1) 503define MAKE_BL 504 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1)) 505 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES)) 506 $(eval SOURCES := $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 507 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 508 $(eval MAPFILE := $(call IMG_MAPFILE,$(1))) 509 $(eval ELF := $(call IMG_ELF,$(1))) 510 $(eval DUMP := $(call IMG_DUMP,$(1))) 511 $(eval BIN := $(call IMG_BIN,$(1))) 512 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) 513 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS)) 514 515 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(call uppercase,$(1))_DEFAULT_LINKER_SCRIPT_SOURCE)) 516 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE))) 517 518 $(eval LINKER_SCRIPT_SOURCES := $($(call uppercase,$(1))_LINKER_SCRIPT_SOURCES)) 519 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES))) 520 521 # We use sort only to get a list of unique object directory names. 522 # ordering is not relevant but sort removes duplicates. 523 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${DEFAULT_LINKER_SCRIPT} ${LINKER_SCRIPTS}))) 524 # The $(dir ) function leaves a trailing / on the directory names 525 # Rip off the / to match directory names with make rule targets. 526 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS))) 527 528# Create generators for object directory structure 529 530$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 531 532$(eval $(foreach objd,${OBJ_DIRS}, 533 $(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 534 535.PHONY : ${1}_dirs 536 537# We use order-only prerequisites to ensure that directories are created, 538# but do not cause re-builds every time a file is written. 539${1}_dirs: | ${OBJ_DIRS} 540 541$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 542 543# Generate targets to preprocess each required linker script 544$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \ 545 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1)))) 546 547$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS)) 548 549ifeq ($(USE_ROMLIB),1) 550$(ELF): romlib.bin 551endif 552 553# MODULE_OBJS can be assigned by vendors with different compiled 554# object file path, and prebuilt object file path. 555$(eval OBJS += $(MODULE_OBJS)) 556 557$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS) 558 $$(ECHO) " LD $$@" 559ifdef MAKE_BUILD_STRINGS 560 $(call MAKE_BUILD_STRINGS, $(BUILD_DIR)/build_message.o) 561else 562 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \ 563 const char version_string[] = "${VERSION_STRING}"; \ 564 const char version[] = "${VERSION}";' | \ 565 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o 566endif 567ifneq ($(findstring armlink,$(notdir $(LD))),) 568 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \ 569 --predefine="-D__LINKER__=$(__LINKER__)" \ 570 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \ 571 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \ 572 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \ 573 $(BUILD_DIR)/build_message.o $(OBJS) 574else ifneq ($(findstring gcc,$(notdir $(LD))),) 575 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Wl,-Map=$(MAPFILE) \ 576 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \ 577 $(BUILD_DIR)/build_message.o \ 578 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 579else 580 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \ 581 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \ 582 $(BUILD_DIR)/build_message.o \ 583 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 584endif 585ifeq ($(DISABLE_BIN_GENERATION),1) 586 @${ECHO_BLANK_LINE} 587 @echo "Built $$@ successfully" 588 @${ECHO_BLANK_LINE} 589endif 590 591$(DUMP): $(ELF) 592 $${ECHO} " OD $$@" 593 $${Q}$${OD} -dx $$< > $$@ 594 595$(BIN): $(ELF) 596 $${ECHO} " BIN $$@" 597 $$(Q)$$(OC) -O binary $$< $$@ 598 @${ECHO_BLANK_LINE} 599 @echo "Built $$@ successfully" 600 @${ECHO_BLANK_LINE} 601 602.PHONY: $(1) 603ifeq ($(DISABLE_BIN_GENERATION),1) 604$(1): $(ELF) $(DUMP) 605else 606$(1): $(BIN) $(DUMP) 607endif 608 609all: $(1) 610 611ifeq ($(4),1) 612$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) 613$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \ 614 $(ENC_BIN))) 615else 616$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3))) 617endif 618 619endef 620 621# Convert device tree source file names to matching blobs 622# $(1) = input dts 623define SOURCES_TO_DTBS 624 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) 625endef 626 627# MAKE_FDT_DIRS macro creates the prerequisite directories that host the 628# FDT binaries 629# $(1) = output directory 630# $(2) = input dts 631define MAKE_FDT_DIRS 632 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 633 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS}))) 634 # The $(dir ) function leaves a trailing / on the directory names 635 # Rip off the / to match directory names with make rule targets. 636 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS))) 637 638$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 639 640fdt_dirs: ${DTB_DIRS} 641endef 642 643# MAKE_DTB generate the Flattened device tree binary 644# $(1) = output directory 645# $(2) = input dts 646define MAKE_DTB 647 648# List of DTB file(s) to generate, based on DTS file basename list 649$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 650# List of the pre-compiled DTS file(s) 651$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) 652# Dependencies of the pre-compiled DTS file(s) on its source and included files 653$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) 654# Dependencies of the DT compilation on its pre-compiled DTS 655$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) 656 657$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs 658 $${ECHO} " CPP $$<" 659 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 660 $$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< 661 $${ECHO} " DTC $$<" 662 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE) 663 664-include $(DTBDEP) 665-include $(DTSDEP) 666 667endef 668 669# MAKE_DTBS builds flattened device tree sources 670# $(1) = output directory 671# $(2) = list of flattened device tree source files 672define MAKE_DTBS 673 $(eval DOBJS := $(filter %.dts,$(2))) 674 $(eval REMAIN := $(filter-out %.dts,$(2))) 675 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN))) 676 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) 677 678 $(eval $(call MAKE_FDT_DIRS,$(1),$(2))) 679 680dtbs: $(DTBS) 681all: dtbs 682endef 683