1# 2# Copyright (c) 2015-2024, 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 setting a variable to 1 if not previously set 54# $(eval $(call default_one,FOO)) 55define default_one 56 $(eval $(1) ?= 1) 57endef 58 59# Convenience function for setting a list of variables to 1 if not previously set 60# $(eval $(call default_ones,FOO BAR)) 61define default_ones 62 $(foreach var,$1,$(eval $(call default_one,$(var)))) 63endef 64 65# Convenience function for adding build definitions 66# $(eval $(call add_define,FOO)) will have: 67# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 68define add_define 69 DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 70endef 71 72# Convenience function for addding multiple build definitions 73# $(eval $(call add_defines,FOO BOO)) 74define add_defines 75 $(foreach def,$1,$(eval $(call add_define,$(def)))) 76endef 77 78# Convenience function for adding build definitions 79# $(eval $(call add_define_val,FOO,BAR)) will have: 80# -DFOO=BAR 81define add_define_val 82 DEFINES += -D$(1)=$(2) 83endef 84 85# Convenience function for verifying option has a boolean value 86# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 87define assert_boolean 88 $(if $($(1)),,$(error $(1) must not be empty)) 89 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean)) 90endef 91 92# Convenience function for verifying options have boolean values 93# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values 94define assert_booleans 95 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool)))) 96endef 97 980-9 := 0 1 2 3 4 5 6 7 8 9 99 100# Function to verify that a given option $(1) contains a numeric value 101define assert_numeric 102$(if $($(1)),,$(error $(1) must not be empty)) 103$(eval __numeric := $($(1))) 104$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) 105$(if $(__numeric),$(error $(1) must be numeric)) 106endef 107 108# Convenience function for verifying options have numeric values 109# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values 110define assert_numerics 111 $(foreach num,$1,$(eval $(call assert_numeric,$(num)))) 112endef 113 114# Convenience function to check for a given linker option. An call to 115# $(call ld_option, --no-XYZ) will return --no-XYZ if supported by the linker 116ld_option = $(shell $($(ARCH)-ld) $(1) -Wl,--version >/dev/null 2>&1 || $($(ARCH)-ld) $(1) -v >/dev/null 2>&1 && echo $(1)) 117 118# Convenience function to check for a given compiler option. A call to 119# $(call cc_option, --no-XYZ) will return --no-XYZ if supported by the compiler 120define cc_option 121 $(shell if $($(ARCH)-cc) $(1) -c -x c /dev/null -o /dev/null >/dev/null 2>&1; then echo $(1); fi ) 122endef 123 124# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to 125# $(2) and assign the sequence to $(1) 126define CREATE_SEQ 127$(if $(word $(2), $($(1))),\ 128 $(eval $(1) += $(words $($(1))))\ 129 $(eval $(1) := $(filter-out 0,$($(1)))),\ 130 $(eval $(1) += $(words $($(1))))\ 131 $(call CREATE_SEQ,$(1),$(2))\ 132) 133endef 134 135# IMG_MAPFILE defines the output file describing the memory map corresponding 136# to a BL stage 137# $(1) = BL stage 138define IMG_MAPFILE 139 ${BUILD_DIR}/$(1).map 140endef 141 142# IMG_ELF defines the elf file corresponding to a BL stage 143# $(1) = BL stage 144define IMG_ELF 145 ${BUILD_DIR}/$(1).elf 146endef 147 148# IMG_DUMP defines the symbols dump file corresponding to a BL stage 149# $(1) = BL stage 150define IMG_DUMP 151 ${BUILD_DIR}/$(1).dump 152endef 153 154# IMG_BIN defines the default image file corresponding to a BL stage 155# $(1) = BL stage 156define IMG_BIN 157 ${BUILD_PLAT}/$(1).bin 158endef 159 160# IMG_ENC_BIN defines the default encrypted image file corresponding to a 161# BL stage 162# $(1) = BL stage 163define IMG_ENC_BIN 164 ${BUILD_PLAT}/$(1)_enc.bin 165endef 166 167# ENCRYPT_FW invokes enctool to encrypt firmware binary 168# $(1) = input firmware binary 169# $(2) = output encrypted firmware binary 170define ENCRYPT_FW 171$(2): $(1) enctool 172 $$(ECHO) " ENC $$<" 173 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ 174endef 175 176# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to 177# package a new payload and/or by cert_create to generate certificate. 178# Optionally, it adds the dependency on this payload 179# $(1) = payload filename (i.e. bl31.bin) 180# $(2) = command line option for the specified payload (i.e. --soc-fw) 181# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 182# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 183# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 184define TOOL_ADD_PAYLOAD 185ifneq ($(5),) 186 $(4)FIP_ARGS += $(2) $(5) 187 $(if $(3),$(4)CRT_DEPS += $(1)) 188else 189 $(4)FIP_ARGS += $(2) $(1) 190 $(if $(3),$(4)CRT_DEPS += $(3)) 191endif 192 $(if $(3),$(4)FIP_DEPS += $(3)) 193 $(4)CRT_ARGS += $(2) $(1) 194endef 195 196# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters 197# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined. 198# $(1) = image_type (scp_bl2, bl33, etc.) 199# $(2) = payload filepath (ex. build/fvp/release/bl31.bin) 200# $(3) = command line option for the specified payload (ex. --soc-fw) 201# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 202# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 203# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 204 205define TOOL_ADD_IMG_PAYLOAD 206 207$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER)) 208 209ifneq ($(PRE_TOOL_FILTER),) 210 211$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX)) 212 213$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) 214 215$(PROCESSED_PATH): $(4) 216 217$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) 218 219else 220$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) 221endif 222endef 223 224# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation 225# $(1) = parameter filename 226# $(2) = cert_create command line option for the specified parameter 227# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 228define CERT_ADD_CMD_OPT 229 $(3)CRT_ARGS += $(2) $(1) 230endef 231 232# TOOL_ADD_IMG allows the platform to specify an external image to be packed 233# in the FIP and/or for which certificate is generated. It also adds a 234# dependency on the image file, aborting the build if the file does not exist. 235# $(1) = image_type (scp_bl2, bl33, etc.) 236# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) 237# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 238# $(4) = Image encryption flag (optional) (0, 1) 239# Example: 240# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 241define TOOL_ADD_IMG 242 # Build option to specify the image filename (SCP_BL2, BL33, etc) 243 # This is the uppercase form of the first parameter 244 $(eval _V := $(call uppercase,$(1))) 245 246 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also 247 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the 248 # target ${BUILD_PLAT}/${$(3)FIP_NAME}. 249 $(eval check_$(1)_cmd := \ 250 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \ 251 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \ 252 ) 253 254 $(3)CRT_DEPS += check_$(1) 255 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd) 256ifeq ($(4),1) 257 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin) 258 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN)) 259 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ 260 $(ENC_BIN)) 261else 262 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3)) 263endif 264 265.PHONY: check_$(1) 266check_$(1): 267 $(check_$(1)_cmd) 268endef 269 270# SELECT_OPENSSL_API_VERSION selects the OpenSSL API version to be used to 271# build the host tools by checking the version of OpenSSL located under 272# the path defined by the OPENSSL_DIR variable. It receives no parameters. 273define SELECT_OPENSSL_API_VERSION 274 # Set default value for USING_OPENSSL3 macro to 0 275 $(eval USING_OPENSSL3 = 0) 276 # Obtain the OpenSSL version for the build located under OPENSSL_DIR 277 $(eval OPENSSL_INFO := $(shell LD_LIBRARY_PATH=${OPENSSL_DIR}:${OPENSSL_DIR}/lib ${OPENSSL_BIN_PATH}/openssl version)) 278 $(eval OPENSSL_CURRENT_VER = $(word 2, ${OPENSSL_INFO})) 279 $(eval OPENSSL_CURRENT_VER_MAJOR = $(firstword $(subst ., ,$(OPENSSL_CURRENT_VER)))) 280 # If OpenSSL version is 3.x, then set USING_OPENSSL3 flag to 1 281 $(if $(filter 3,$(OPENSSL_CURRENT_VER_MAJOR)), $(eval USING_OPENSSL3 = 1)) 282endef 283 284################################################################################ 285# Generic image processing filters 286################################################################################ 287 288# GZIP 289define GZIP_RULE 290$(1): $(2) 291 $(ECHO) " GZIP $$@" 292 $(Q)gzip -n -f -9 $$< --stdout > $$@ 293endef 294 295GZIP_SUFFIX := .gz 296 297################################################################################ 298# Auxiliary macros to build TF images from sources 299################################################################################ 300 301MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP 302 303 304# MAKE_C_LIB builds a C source file and generates the dependency file 305# $(1) = output directory 306# $(2) = source file (%.c) 307# $(3) = library name 308define MAKE_C_LIB 309$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 310$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 311$(eval LIB := $(call uppercase, $(notdir $(1)))) 312 313$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 314 $$(ECHO) " CC $$<" 315 $$(Q)$($(ARCH)-cc) $$($(LIB)_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 316 317-include $(DEP) 318 319endef 320 321# MAKE_S_LIB builds an assembly source file and generates the dependency file 322# $(1) = output directory 323# $(2) = source file (%.S) 324# $(3) = library name 325define MAKE_S_LIB 326$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 327$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 328 329$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 330 $$(ECHO) " AS $$<" 331 $$(Q)$($(ARCH)-as) -x assembler-with-cpp $$(TF_CFLAGS_$(ARCH)) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 332 333-include $(DEP) 334 335endef 336 337 338# MAKE_C builds a C source file and generates the dependency file 339# $(1) = output directory 340# $(2) = source file (%.c) 341# $(3) = BL stage 342define MAKE_C 343 344$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 345$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 346 347$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES)) 348$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)) 349$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS)) 350$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS) $(PLAT_BL_COMMON_CFLAGS)) 351 352$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 353 $$(ECHO) " CC $$<" 354 $$(Q)$($(ARCH)-cc) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 355 356-include $(DEP) 357 358endef 359 360 361# MAKE_S builds an assembly source file and generates the dependency file 362# $(1) = output directory 363# $(2) = assembly file (%.S) 364# $(3) = BL stage 365define MAKE_S 366 367$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 368$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 369 370$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES)) 371$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)) 372$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS)) 373$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS) $(PLAT_BL_COMMON_ASFLAGS)) 374 375$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 376 $$(ECHO) " AS $$<" 377 $$(Q)$($(ARCH)-as) -x assembler-with-cpp $$(TF_CFLAGS_$(ARCH)) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 378 379-include $(DEP) 380 381endef 382 383 384# MAKE_LD generate the linker script using the C preprocessor 385# $(1) = output linker script 386# $(2) = input template 387# $(3) = BL stage 388define MAKE_LD 389 390$(eval DEP := $(1).d) 391 392$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES)) 393$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)) 394$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS)) 395 396$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 397 $$(ECHO) " PP $$<" 398 $$(Q)$($(ARCH)-cpp) -E $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$< 399 400-include $(DEP) 401 402endef 403 404# MAKE_LIB_OBJS builds both C and assembly source files 405# $(1) = output directory 406# $(2) = list of source files 407# $(3) = name of the library 408define MAKE_LIB_OBJS 409 $(eval C_OBJS := $(filter %.c,$(2))) 410 $(eval REMAIN := $(filter-out %.c,$(2))) 411 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3)))) 412 413 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 414 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 415 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3)))) 416 417 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 418endef 419 420 421# MAKE_OBJS builds both C and assembly source files 422# $(1) = output directory 423# $(2) = list of source files (both C and assembly) 424# $(3) = BL stage 425define MAKE_OBJS 426 $(eval C_OBJS := $(filter %.c,$(2))) 427 $(eval REMAIN := $(filter-out %.c,$(2))) 428 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 429 430 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 431 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 432 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 433 434 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 435endef 436 437 438# NOTE: The line continuation '\' is required in the next define otherwise we 439# end up with a line-feed characer at the end of the last c filename. 440# Also bear this issue in mind if extending the list of supported filetypes. 441define SOURCES_TO_OBJS 442 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 443 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 444endef 445 446# Allow overriding the timestamp, for example for reproducible builds, or to 447# synchronize timestamps across multiple projects. 448# This must be set to a C string (including quotes where applicable). 449BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ 450 451.PHONY: libraries 452 453# MAKE_LIB_DIRS macro defines the target for the directory where 454# libraries are created 455define MAKE_LIB_DIRS 456 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 457 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 458 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper) 459 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT})) 460 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT})) 461 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT})) 462endef 463 464# MAKE_LIB macro defines the targets and options to build each BL image. 465# Arguments: 466# $(1) = Library name 467define MAKE_LIB 468 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1)) 469 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 470 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 471 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS)) 472 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 473 474$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 475$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 476 477.PHONY : lib${1}_dirs 478lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR} 479libraries: ${LIB_DIR}/lib$(1).a 480ifeq ($($(ARCH)-ld-id),arm-link) 481LDPATHS = --userlibpath=${LIB_DIR} 482LDLIBS += --library=$(1) 483else 484LDPATHS = -L${LIB_DIR} 485LDLIBS += -l$(1) 486endif 487 488ifeq ($(USE_ROMLIB),1) 489LIBWRAPPER = -lwrappers 490endif 491 492all: ${LIB_DIR}/lib$(1).a 493 494${LIB_DIR}/lib$(1).a: $(OBJS) 495 $$(ECHO) " AR $$@" 496 $$(Q)$($(ARCH)-ar) cr $$@ $$? 497endef 498 499# Generate the path to one or more preprocessed linker scripts given the paths 500# of their sources. 501# 502# Arguments: 503# $(1) = path to one or more linker script sources 504define linker_script_path 505 $(patsubst %.S,$(BUILD_DIR)/%,$(1)) 506endef 507 508# MAKE_BL macro defines the targets and options to build each BL image. 509# Arguments: 510# $(1) = BL stage 511# $(2) = FIP command line option (if empty, image will not be included in the FIP) 512# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 513# $(4) = BL encryption flag (optional) (0, 1) 514define MAKE_BL 515 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1)) 516 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES)) 517 $(eval SOURCES := $(sort $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES))) 518 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 519 $(eval MAPFILE := $(call IMG_MAPFILE,$(1))) 520 $(eval ELF := $(call IMG_ELF,$(1))) 521 $(eval DUMP := $(call IMG_DUMP,$(1))) 522 $(eval BIN := $(call IMG_BIN,$(1))) 523 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) 524 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS)) 525 526 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(call uppercase,$(1))_DEFAULT_LINKER_SCRIPT_SOURCE)) 527 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE))) 528 529 $(eval LINKER_SCRIPT_SOURCES := $($(call uppercase,$(1))_LINKER_SCRIPT_SOURCES)) 530 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES))) 531 532 # We use sort only to get a list of unique object directory names. 533 # ordering is not relevant but sort removes duplicates. 534 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${DEFAULT_LINKER_SCRIPT} ${LINKER_SCRIPTS}))) 535 # The $(dir ) function leaves a trailing / on the directory names 536 # Rip off the / to match directory names with make rule targets. 537 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS))) 538 539# Create generators for object directory structure 540 541$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 542 543$(eval $(foreach objd,${OBJ_DIRS}, 544 $(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 545 546.PHONY : ${1}_dirs 547 548# We use order-only prerequisites to ensure that directories are created, 549# but do not cause re-builds every time a file is written. 550${1}_dirs: | ${OBJ_DIRS} 551 552$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 553 554# Generate targets to preprocess each required linker script 555$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \ 556 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1)))) 557 558$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS)) 559 560ifeq ($(USE_ROMLIB),1) 561$(ELF): romlib.bin 562endif 563 564# MODULE_OBJS can be assigned by vendors with different compiled 565# object file path, and prebuilt object file path. 566$(eval OBJS += $(MODULE_OBJS)) 567 568$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS) 569 $$(ECHO) " LD $$@" 570ifdef MAKE_BUILD_STRINGS 571 $(call MAKE_BUILD_STRINGS,$(BUILD_DIR)/build_message.o) 572else 573 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \ 574 const char version_string[] = "${VERSION_STRING}"; \ 575 const char version[] = "${VERSION}";' | \ 576 $($(ARCH)-cc) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o 577endif 578ifeq ($($(ARCH)-ld-id),arm-link) 579 $$(Q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \ 580 --predefine="-D__LINKER__=$(__LINKER__)" \ 581 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \ 582 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \ 583 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \ 584 $(BUILD_DIR)/build_message.o $(OBJS) 585else ifeq ($($(ARCH)-ld-id),gnu-gcc) 586 $$(Q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Wl,-Map=$(MAPFILE) \ 587 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \ 588 $(BUILD_DIR)/build_message.o \ 589 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 590else 591 $$(Q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \ 592 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \ 593 $(BUILD_DIR)/build_message.o \ 594 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 595endif 596ifeq ($(DISABLE_BIN_GENERATION),1) 597 @${ECHO_BLANK_LINE} 598 @echo "Built $$@ successfully" 599 @${ECHO_BLANK_LINE} 600endif 601 602$(DUMP): $(ELF) 603 $${ECHO} " OD $$@" 604 $${Q}$($(ARCH)-od) -dx $$< > $$@ 605 606$(BIN): $(ELF) 607 $${ECHO} " BIN $$@" 608 $$(Q)$($(ARCH)-oc) -O binary $$< $$@ 609 @${ECHO_BLANK_LINE} 610 @echo "Built $$@ successfully" 611 @${ECHO_BLANK_LINE} 612 613.PHONY: $(1) 614ifeq ($(DISABLE_BIN_GENERATION),1) 615$(1): $(ELF) $(DUMP) 616else 617$(1): $(BIN) $(DUMP) 618endif 619 620all: $(1) 621 622ifeq ($(4),1) 623$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) 624$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \ 625 $(ENC_BIN))) 626else 627$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3))) 628endif 629 630endef 631 632# Convert device tree source file names to matching blobs 633# $(1) = input dts 634define SOURCES_TO_DTBS 635 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) 636endef 637 638# MAKE_FDT_DIRS macro creates the prerequisite directories that host the 639# FDT binaries 640# $(1) = output directory 641# $(2) = input dts 642define MAKE_FDT_DIRS 643 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 644 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS}))) 645 # The $(dir ) function leaves a trailing / on the directory names 646 # Rip off the / to match directory names with make rule targets. 647 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS))) 648 649$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 650 651fdt_dirs: ${DTB_DIRS} 652endef 653 654# MAKE_DTB generate the Flattened device tree binary 655# $(1) = output directory 656# $(2) = input dts 657define MAKE_DTB 658 659# List of DTB file(s) to generate, based on DTS file basename list 660$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 661# List of the pre-compiled DTS file(s) 662$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) 663# Dependencies of the pre-compiled DTS file(s) on its source and included files 664$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) 665# Dependencies of the DT compilation on its pre-compiled DTS 666$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) 667 668$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs 669 $${ECHO} " CPP $$<" 670 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 671 $$(Q)$($(ARCH)-cpp) -E $$(TF_CFLAGS_$(ARCH)) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< 672 $${ECHO} " DTC $$<" 673 $$(Q)$($(ARCH)-dtc) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE) 674 675-include $(DTBDEP) 676-include $(DTSDEP) 677 678endef 679 680# MAKE_DTBS builds flattened device tree sources 681# $(1) = output directory 682# $(2) = list of flattened device tree source files 683define MAKE_DTBS 684 $(eval DOBJS := $(filter %.dts,$(2))) 685 $(eval REMAIN := $(filter-out %.dts,$(2))) 686 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN))) 687 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) 688 689 $(eval $(call MAKE_FDT_DIRS,$(1),$(2))) 690 691dtbs: $(DTBS) 692all: dtbs 693endef 694