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 adding build definitions 42# $(eval $(call add_define,FOO)) will have: 43# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 44define add_define 45 DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 46endef 47 48 49# Convenience function for addding multiple build definitions 50# $(eval $(call add_defines,FOO BOO)) 51define add_defines 52 $(foreach def,$1,$(eval $(call add_define,$(def)))) 53endef 54 55# Convenience function for adding build definitions 56# $(eval $(call add_define_val,FOO,BAR)) will have: 57# -DFOO=BAR 58define add_define_val 59 DEFINES += -D$(1)=$(2) 60endef 61 62# Convenience function for verifying option has a boolean value 63# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 64define assert_boolean 65 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean)) 66endef 67 68# Convenience function for verifying options have boolean values 69# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values 70define assert_booleans 71 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool)))) 72endef 73 740-9 := 0 1 2 3 4 5 6 7 8 9 75 76# Function to verify that a given option $(1) contains a numeric value 77define assert_numeric 78$(if $($(1)),,$(error $(1) must not be empty)) 79$(eval __numeric := $($(1))) 80$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) 81$(if $(__numeric),$(error $(1) must be numeric)) 82endef 83 84# Convenience function for verifying options have numeric values 85# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values 86define assert_numerics 87 $(foreach num,$1,$(eval $(call assert_numeric,$(num)))) 88endef 89 90# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to 91# $(2) and assign the sequence to $(1) 92define CREATE_SEQ 93$(if $(word $(2), $($(1))),\ 94 $(eval $(1) += $(words $($(1))))\ 95 $(eval $(1) := $(filter-out 0,$($(1)))),\ 96 $(eval $(1) += $(words $($(1))))\ 97 $(call CREATE_SEQ,$(1),$(2))\ 98) 99endef 100 101# IMG_MAPFILE defines the output file describing the memory map corresponding 102# to a BL stage 103# $(1) = BL stage 104define IMG_MAPFILE 105 ${BUILD_DIR}/$(1).map 106endef 107 108# IMG_ELF defines the elf file corresponding to a BL stage 109# $(1) = BL stage 110define IMG_ELF 111 ${BUILD_DIR}/$(1).elf 112endef 113 114# IMG_DUMP defines the symbols dump file corresponding to a BL stage 115# $(1) = BL stage 116define IMG_DUMP 117 ${BUILD_DIR}/$(1).dump 118endef 119 120# IMG_BIN defines the default image file corresponding to a BL stage 121# $(1) = BL stage 122define IMG_BIN 123 ${BUILD_PLAT}/$(1).bin 124endef 125 126# IMG_ENC_BIN defines the default encrypted image file corresponding to a 127# BL stage 128# $(1) = BL stage 129define IMG_ENC_BIN 130 ${BUILD_PLAT}/$(1)_enc.bin 131endef 132 133# ENCRYPT_FW invokes enctool to encrypt firmware binary 134# $(1) = input firmware binary 135# $(2) = output encrypted firmware binary 136define ENCRYPT_FW 137$(2): $(1) enctool 138 $$(ECHO) " ENC $$<" 139 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ 140endef 141 142# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to 143# package a new payload and/or by cert_create to generate certificate. 144# Optionally, it adds the dependency on this payload 145# $(1) = payload filename (i.e. bl31.bin) 146# $(2) = command line option for the specified payload (i.e. --soc-fw) 147# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 148# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 149# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 150define TOOL_ADD_PAYLOAD 151ifneq ($(5),) 152 $(4)FIP_ARGS += $(2) $(5) 153 $(if $(3),$(4)CRT_DEPS += $(1)) 154else 155 $(4)FIP_ARGS += $(2) $(1) 156 $(if $(3),$(4)CRT_DEPS += $(3)) 157endif 158 $(if $(3),$(4)FIP_DEPS += $(3)) 159 $(4)CRT_ARGS += $(2) $(1) 160endef 161 162# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters 163# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined. 164# $(1) = image_type (scp_bl2, bl33, etc.) 165# $(2) = payload filepath (ex. build/fvp/release/bl31.bin) 166# $(3) = command line option for the specified payload (ex. --soc-fw) 167# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 168# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 169# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 170 171define TOOL_ADD_IMG_PAYLOAD 172 173$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER)) 174 175ifneq ($(PRE_TOOL_FILTER),) 176 177$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX)) 178 179$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) 180 181$(PROCESSED_PATH): $(4) 182 183$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) 184 185else 186$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) 187endif 188endef 189 190# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation 191# $(1) = parameter filename 192# $(2) = cert_create command line option for the specified parameter 193# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 194define CERT_ADD_CMD_OPT 195 $(3)CRT_ARGS += $(2) $(1) 196endef 197 198# TOOL_ADD_IMG allows the platform to specify an external image to be packed 199# in the FIP and/or for which certificate is generated. It also adds a 200# dependency on the image file, aborting the build if the file does not exist. 201# $(1) = image_type (scp_bl2, bl33, etc.) 202# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) 203# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 204# $(4) = Image encryption flag (optional) (0, 1) 205# Example: 206# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 207define TOOL_ADD_IMG 208 # Build option to specify the image filename (SCP_BL2, BL33, etc) 209 # This is the uppercase form of the first parameter 210 $(eval _V := $(call uppercase,$(1))) 211 212 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also 213 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the 214 # target ${BUILD_PLAT}/${$(3)FIP_NAME}. 215 $(eval check_$(1)_cmd := \ 216 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \ 217 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \ 218 ) 219 220 $(3)CRT_DEPS += check_$(1) 221 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd) 222ifeq ($(4),1) 223 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin) 224 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN)) 225 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ 226 $(ENC_BIN)) 227else 228 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3)) 229endif 230 231.PHONY: check_$(1) 232check_$(1): 233 $(check_$(1)_cmd) 234endef 235 236# SELECT_OPENSSL_API_VERSION selects the OpenSSL API version to be used to 237# build the host tools by checking the version of OpenSSL located under 238# the path defined by the OPENSSL_DIR variable. It receives no parameters. 239define SELECT_OPENSSL_API_VERSION 240 # Set default value for USING_OPENSSL3 macro to 0 241 $(eval USING_OPENSSL3 = 0) 242 # Obtain the OpenSSL version for the build located under OPENSSL_DIR 243 $(eval OPENSSL_INFO := $(shell LD_LIBRARY_PATH=${OPENSSL_DIR}:${OPENSSL_DIR}/lib ${OPENSSL_BIN_PATH}/openssl version)) 244 $(eval OPENSSL_CURRENT_VER = $(word 2, ${OPENSSL_INFO})) 245 $(eval OPENSSL_CURRENT_VER_MAJOR = $(firstword $(subst ., ,$(OPENSSL_CURRENT_VER)))) 246 # If OpenSSL version is 3.x, then set USING_OPENSSL3 flag to 1 247 $(if $(filter 3,$(OPENSSL_CURRENT_VER_MAJOR)), $(eval USING_OPENSSL3 = 1)) 248endef 249 250################################################################################ 251# Generic image processing filters 252################################################################################ 253 254# GZIP 255define GZIP_RULE 256$(1): $(2) 257 $(ECHO) " GZIP $$@" 258 $(Q)gzip -n -f -9 $$< --stdout > $$@ 259endef 260 261GZIP_SUFFIX := .gz 262 263################################################################################ 264# Auxiliary macros to build TF images from sources 265################################################################################ 266 267MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP 268 269 270# MAKE_C_LIB builds a C source file and generates the dependency file 271# $(1) = output directory 272# $(2) = source file (%.c) 273# $(3) = library name 274define MAKE_C_LIB 275$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 276$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 277 278$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 279 $$(ECHO) " CC $$<" 280 $$(Q)$$(CC) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 281 282-include $(DEP) 283 284endef 285 286# MAKE_S_LIB builds an assembly source file and generates the dependency file 287# $(1) = output directory 288# $(2) = source file (%.S) 289# $(3) = library name 290define MAKE_S_LIB 291$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 292$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 293 294$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 295 $$(ECHO) " AS $$<" 296 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 297 298-include $(DEP) 299 300endef 301 302 303# MAKE_C builds a C source file and generates the dependency file 304# $(1) = output directory 305# $(2) = source file (%.c) 306# $(3) = BL stage 307define MAKE_C 308 309$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 310$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 311$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3))) 312$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS)) 313 314$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 315 $$(ECHO) " CC $$<" 316 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 317 318-include $(DEP) 319 320endef 321 322 323# MAKE_S builds an assembly source file and generates the dependency file 324# $(1) = output directory 325# $(2) = assembly file (%.S) 326# $(3) = BL stage 327define MAKE_S 328 329$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 330$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 331$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3))) 332$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS)) 333 334$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 335 $$(ECHO) " AS $$<" 336 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 337 338-include $(DEP) 339 340endef 341 342 343# MAKE_LD generate the linker script using the C preprocessor 344# $(1) = output linker script 345# $(2) = input template 346# $(3) = BL stage 347define MAKE_LD 348 349$(eval DEP := $(1).d) 350$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3))) 351 352$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 353 $$(ECHO) " PP $$<" 354 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$< 355 356-include $(DEP) 357 358endef 359 360# MAKE_LIB_OBJS builds both C and assembly source files 361# $(1) = output directory 362# $(2) = list of source files 363# $(3) = name of the library 364define MAKE_LIB_OBJS 365 $(eval C_OBJS := $(filter %.c,$(2))) 366 $(eval REMAIN := $(filter-out %.c,$(2))) 367 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3)))) 368 369 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 370 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 371 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3)))) 372 373 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 374endef 375 376 377# MAKE_OBJS builds both C and assembly source files 378# $(1) = output directory 379# $(2) = list of source files (both C and assembly) 380# $(3) = BL stage 381define MAKE_OBJS 382 $(eval C_OBJS := $(filter %.c,$(2))) 383 $(eval REMAIN := $(filter-out %.c,$(2))) 384 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 385 386 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 387 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 388 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 389 390 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 391endef 392 393 394# NOTE: The line continuation '\' is required in the next define otherwise we 395# end up with a line-feed characer at the end of the last c filename. 396# Also bear this issue in mind if extending the list of supported filetypes. 397define SOURCES_TO_OBJS 398 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 399 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 400endef 401 402# Allow overriding the timestamp, for example for reproducible builds, or to 403# synchronize timestamps across multiple projects. 404# This must be set to a C string (including quotes where applicable). 405BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ 406 407.PHONY: libraries 408 409# MAKE_LIB_DIRS macro defines the target for the directory where 410# libraries are created 411define MAKE_LIB_DIRS 412 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 413 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 414 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper) 415 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT})) 416 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT})) 417 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT})) 418endef 419 420# MAKE_LIB macro defines the targets and options to build each BL image. 421# Arguments: 422# $(1) = Library name 423define MAKE_LIB 424 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1)) 425 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 426 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 427 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS)) 428 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 429 430$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 431$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 432 433.PHONY : lib${1}_dirs 434lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR} 435libraries: ${LIB_DIR}/lib$(1).a 436ifneq ($(findstring armlink,$(notdir $(LD))),) 437LDPATHS = --userlibpath=${LIB_DIR} 438LDLIBS += --library=$(1) 439else 440LDPATHS = -L${LIB_DIR} 441LDLIBS += -l$(1) 442endif 443 444ifeq ($(USE_ROMLIB),1) 445LIBWRAPPER = -lwrappers 446endif 447 448all: ${LIB_DIR}/lib$(1).a 449 450${LIB_DIR}/lib$(1).a: $(OBJS) 451 $$(ECHO) " AR $$@" 452 $$(Q)$$(AR) cr $$@ $$? 453endef 454 455# Generate the path to one or more preprocessed linker scripts given the paths 456# of their sources. 457# 458# Arguments: 459# $(1) = path to one or more linker script sources 460define linker_script_path 461 $(patsubst %.S,$(BUILD_DIR)/%,$(1)) 462endef 463 464# MAKE_BL macro defines the targets and options to build each BL image. 465# Arguments: 466# $(1) = BL stage 467# $(2) = FIP command line option (if empty, image will not be included in the FIP) 468# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 469# $(4) = BL encryption flag (optional) (0, 1) 470define MAKE_BL 471 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1)) 472 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES)) 473 $(eval SOURCES := $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 474 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 475 $(eval MAPFILE := $(call IMG_MAPFILE,$(1))) 476 $(eval ELF := $(call IMG_ELF,$(1))) 477 $(eval DUMP := $(call IMG_DUMP,$(1))) 478 $(eval BIN := $(call IMG_BIN,$(1))) 479 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) 480 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS)) 481 482 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(call uppercase,$(1))_DEFAULT_LINKER_SCRIPT_SOURCE)) 483 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE))) 484 485 $(eval LINKER_SCRIPT_SOURCES := $($(call uppercase,$(1))_LINKER_SCRIPT_SOURCES)) 486 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES))) 487 488 # We use sort only to get a list of unique object directory names. 489 # ordering is not relevant but sort removes duplicates. 490 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${DEFAULT_LINKER_SCRIPT} ${LINKER_SCRIPTS}))) 491 # The $(dir ) function leaves a trailing / on the directory names 492 # Rip off the / to match directory names with make rule targets. 493 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS))) 494 495# Create generators for object directory structure 496 497$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 498 499$(eval $(foreach objd,${OBJ_DIRS}, 500 $(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 501 502.PHONY : ${1}_dirs 503 504# We use order-only prerequisites to ensure that directories are created, 505# but do not cause re-builds every time a file is written. 506${1}_dirs: | ${OBJ_DIRS} 507 508$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 509 510# Generate targets to preprocess each required linker script 511$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \ 512 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1)))) 513 514$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS)) 515 516ifeq ($(USE_ROMLIB),1) 517$(ELF): romlib.bin 518endif 519 520# MODULE_OBJS can be assigned by vendors with different compiled 521# object file path, and prebuilt object file path. 522$(eval OBJS += $(MODULE_OBJS)) 523 524$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS) 525 $$(ECHO) " LD $$@" 526ifdef MAKE_BUILD_STRINGS 527 $(call MAKE_BUILD_STRINGS, $(BUILD_DIR)/build_message.o) 528else 529 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \ 530 const char version_string[] = "${VERSION_STRING}"; \ 531 const char version[] = "${VERSION}";' | \ 532 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o 533endif 534ifneq ($(findstring armlink,$(notdir $(LD))),) 535 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \ 536 --predefine="-D__LINKER__=$(__LINKER__)" \ 537 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \ 538 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \ 539 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \ 540 $(BUILD_DIR)/build_message.o $(OBJS) 541else ifneq ($(findstring gcc,$(notdir $(LD))),) 542 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Wl,-Map=$(MAPFILE) \ 543 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \ 544 $(BUILD_DIR)/build_message.o \ 545 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 546else 547 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \ 548 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \ 549 $(BUILD_DIR)/build_message.o \ 550 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 551endif 552ifeq ($(DISABLE_BIN_GENERATION),1) 553 @${ECHO_BLANK_LINE} 554 @echo "Built $$@ successfully" 555 @${ECHO_BLANK_LINE} 556endif 557 558$(DUMP): $(ELF) 559 $${ECHO} " OD $$@" 560 $${Q}$${OD} -dx $$< > $$@ 561 562$(BIN): $(ELF) 563 $${ECHO} " BIN $$@" 564 $$(Q)$$(OC) -O binary $$< $$@ 565 @${ECHO_BLANK_LINE} 566 @echo "Built $$@ successfully" 567 @${ECHO_BLANK_LINE} 568 569.PHONY: $(1) 570ifeq ($(DISABLE_BIN_GENERATION),1) 571$(1): $(ELF) $(DUMP) 572else 573$(1): $(BIN) $(DUMP) 574endif 575 576all: $(1) 577 578ifeq ($(4),1) 579$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) 580$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \ 581 $(ENC_BIN))) 582else 583$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3))) 584endif 585 586endef 587 588# Convert device tree source file names to matching blobs 589# $(1) = input dts 590define SOURCES_TO_DTBS 591 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) 592endef 593 594# MAKE_FDT_DIRS macro creates the prerequisite directories that host the 595# FDT binaries 596# $(1) = output directory 597# $(2) = input dts 598define MAKE_FDT_DIRS 599 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 600 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS}))) 601 # The $(dir ) function leaves a trailing / on the directory names 602 # Rip off the / to match directory names with make rule targets. 603 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS))) 604 605$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 606 607fdt_dirs: ${DTB_DIRS} 608endef 609 610# MAKE_DTB generate the Flattened device tree binary 611# $(1) = output directory 612# $(2) = input dts 613define MAKE_DTB 614 615# List of DTB file(s) to generate, based on DTS file basename list 616$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 617# List of the pre-compiled DTS file(s) 618$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) 619# Dependencies of the pre-compiled DTS file(s) on its source and included files 620$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) 621# Dependencies of the DT compilation on its pre-compiled DTS 622$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) 623 624$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs 625 $${ECHO} " CPP $$<" 626 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 627 $$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< 628 $${ECHO} " DTC $$<" 629 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE) 630 631-include $(DTBDEP) 632-include $(DTSDEP) 633 634endef 635 636# MAKE_DTBS builds flattened device tree sources 637# $(1) = output directory 638# $(2) = list of flattened device tree source files 639define MAKE_DTBS 640 $(eval DOBJS := $(filter %.dts,$(2))) 641 $(eval REMAIN := $(filter-out %.dts,$(2))) 642 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN))) 643 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) 644 645 $(eval $(call MAKE_FDT_DIRS,$(1),$(2))) 646 647dtbs: $(DTBS) 648all: dtbs 649endef 650