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 $($(1)),,$(error $(1) must not be empty)) 77 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean)) 78endef 79 80# Convenience function for verifying options have boolean values 81# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values 82define assert_booleans 83 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool)))) 84endef 85 860-9 := 0 1 2 3 4 5 6 7 8 9 87 88# Function to verify that a given option $(1) contains a numeric value 89define assert_numeric 90$(if $($(1)),,$(error $(1) must not be empty)) 91$(eval __numeric := $($(1))) 92$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) 93$(if $(__numeric),$(error $(1) must be numeric)) 94endef 95 96# Convenience function for verifying options have numeric values 97# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values 98define assert_numerics 99 $(foreach num,$1,$(eval $(call assert_numeric,$(num)))) 100endef 101 102# Convenience function to check for a given linker option. An call to 103# $(call ld_option, --no-XYZ) will return --no-XYZ if supported by the linker 104define ld_option 105 $(shell if $(LD) $(1) -v >/dev/null 2>&1; then echo $(1); fi ) 106endef 107 108# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to 109# $(2) and assign the sequence to $(1) 110define CREATE_SEQ 111$(if $(word $(2), $($(1))),\ 112 $(eval $(1) += $(words $($(1))))\ 113 $(eval $(1) := $(filter-out 0,$($(1)))),\ 114 $(eval $(1) += $(words $($(1))))\ 115 $(call CREATE_SEQ,$(1),$(2))\ 116) 117endef 118 119# IMG_MAPFILE defines the output file describing the memory map corresponding 120# to a BL stage 121# $(1) = BL stage 122define IMG_MAPFILE 123 ${BUILD_DIR}/$(1).map 124endef 125 126# IMG_ELF defines the elf file corresponding to a BL stage 127# $(1) = BL stage 128define IMG_ELF 129 ${BUILD_DIR}/$(1).elf 130endef 131 132# IMG_DUMP defines the symbols dump file corresponding to a BL stage 133# $(1) = BL stage 134define IMG_DUMP 135 ${BUILD_DIR}/$(1).dump 136endef 137 138# IMG_BIN defines the default image file corresponding to a BL stage 139# $(1) = BL stage 140define IMG_BIN 141 ${BUILD_PLAT}/$(1).bin 142endef 143 144# IMG_ENC_BIN defines the default encrypted image file corresponding to a 145# BL stage 146# $(1) = BL stage 147define IMG_ENC_BIN 148 ${BUILD_PLAT}/$(1)_enc.bin 149endef 150 151# ENCRYPT_FW invokes enctool to encrypt firmware binary 152# $(1) = input firmware binary 153# $(2) = output encrypted firmware binary 154define ENCRYPT_FW 155$(2): $(1) enctool 156 $$(ECHO) " ENC $$<" 157 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ 158endef 159 160# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to 161# package a new payload and/or by cert_create to generate certificate. 162# Optionally, it adds the dependency on this payload 163# $(1) = payload filename (i.e. bl31.bin) 164# $(2) = command line option for the specified payload (i.e. --soc-fw) 165# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 166# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 167# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 168define TOOL_ADD_PAYLOAD 169ifneq ($(5),) 170 $(4)FIP_ARGS += $(2) $(5) 171 $(if $(3),$(4)CRT_DEPS += $(1)) 172else 173 $(4)FIP_ARGS += $(2) $(1) 174 $(if $(3),$(4)CRT_DEPS += $(3)) 175endif 176 $(if $(3),$(4)FIP_DEPS += $(3)) 177 $(4)CRT_ARGS += $(2) $(1) 178endef 179 180# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters 181# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined. 182# $(1) = image_type (scp_bl2, bl33, etc.) 183# $(2) = payload filepath (ex. build/fvp/release/bl31.bin) 184# $(3) = command line option for the specified payload (ex. --soc-fw) 185# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 186# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 187# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 188 189define TOOL_ADD_IMG_PAYLOAD 190 191$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER)) 192 193ifneq ($(PRE_TOOL_FILTER),) 194 195$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX)) 196 197$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) 198 199$(PROCESSED_PATH): $(4) 200 201$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) 202 203else 204$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) 205endif 206endef 207 208# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation 209# $(1) = parameter filename 210# $(2) = cert_create command line option for the specified parameter 211# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 212define CERT_ADD_CMD_OPT 213 $(3)CRT_ARGS += $(2) $(1) 214endef 215 216# TOOL_ADD_IMG allows the platform to specify an external image to be packed 217# in the FIP and/or for which certificate is generated. It also adds a 218# dependency on the image file, aborting the build if the file does not exist. 219# $(1) = image_type (scp_bl2, bl33, etc.) 220# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) 221# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 222# $(4) = Image encryption flag (optional) (0, 1) 223# Example: 224# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 225define TOOL_ADD_IMG 226 # Build option to specify the image filename (SCP_BL2, BL33, etc) 227 # This is the uppercase form of the first parameter 228 $(eval _V := $(call uppercase,$(1))) 229 230 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also 231 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the 232 # target ${BUILD_PLAT}/${$(3)FIP_NAME}. 233 $(eval check_$(1)_cmd := \ 234 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \ 235 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \ 236 ) 237 238 $(3)CRT_DEPS += check_$(1) 239 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd) 240ifeq ($(4),1) 241 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin) 242 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN)) 243 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ 244 $(ENC_BIN)) 245else 246 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3)) 247endif 248 249.PHONY: check_$(1) 250check_$(1): 251 $(check_$(1)_cmd) 252endef 253 254# SELECT_OPENSSL_API_VERSION selects the OpenSSL API version to be used to 255# build the host tools by checking the version of OpenSSL located under 256# the path defined by the OPENSSL_DIR variable. It receives no parameters. 257define SELECT_OPENSSL_API_VERSION 258 # Set default value for USING_OPENSSL3 macro to 0 259 $(eval USING_OPENSSL3 = 0) 260 # Obtain the OpenSSL version for the build located under OPENSSL_DIR 261 $(eval OPENSSL_INFO := $(shell LD_LIBRARY_PATH=${OPENSSL_DIR}:${OPENSSL_DIR}/lib ${OPENSSL_BIN_PATH}/openssl version)) 262 $(eval OPENSSL_CURRENT_VER = $(word 2, ${OPENSSL_INFO})) 263 $(eval OPENSSL_CURRENT_VER_MAJOR = $(firstword $(subst ., ,$(OPENSSL_CURRENT_VER)))) 264 # If OpenSSL version is 3.x, then set USING_OPENSSL3 flag to 1 265 $(if $(filter 3,$(OPENSSL_CURRENT_VER_MAJOR)), $(eval USING_OPENSSL3 = 1)) 266endef 267 268################################################################################ 269# Generic image processing filters 270################################################################################ 271 272# GZIP 273define GZIP_RULE 274$(1): $(2) 275 $(ECHO) " GZIP $$@" 276 $(Q)gzip -n -f -9 $$< --stdout > $$@ 277endef 278 279GZIP_SUFFIX := .gz 280 281################################################################################ 282# Auxiliary macros to build TF images from sources 283################################################################################ 284 285MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP 286 287 288# MAKE_C_LIB builds a C source file and generates the dependency file 289# $(1) = output directory 290# $(2) = source file (%.c) 291# $(3) = library name 292define MAKE_C_LIB 293$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 294$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 295$(eval LIB := $(call uppercase, $(notdir $(1)))) 296 297$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 298 $$(ECHO) " CC $$<" 299 $$(Q)$$(CC) $$($(LIB)_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 300 301-include $(DEP) 302 303endef 304 305# MAKE_S_LIB builds an assembly source file and generates the dependency file 306# $(1) = output directory 307# $(2) = source file (%.S) 308# $(3) = library name 309define MAKE_S_LIB 310$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 311$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 312 313$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 314 $$(ECHO) " AS $$<" 315 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 316 317-include $(DEP) 318 319endef 320 321 322# MAKE_C builds a C source file and generates the dependency file 323# $(1) = output directory 324# $(2) = source file (%.c) 325# $(3) = BL stage 326define MAKE_C 327 328$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 329$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 330$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3))) 331$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS)) 332 333$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 334 $$(ECHO) " CC $$<" 335 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 336 337-include $(DEP) 338 339endef 340 341 342# MAKE_S builds an assembly source file and generates the dependency file 343# $(1) = output directory 344# $(2) = assembly file (%.S) 345# $(3) = BL stage 346define MAKE_S 347 348$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 349$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 350$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3))) 351$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS)) 352 353$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 354 $$(ECHO) " AS $$<" 355 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 356 357-include $(DEP) 358 359endef 360 361 362# MAKE_LD generate the linker script using the C preprocessor 363# $(1) = output linker script 364# $(2) = input template 365# $(3) = BL stage 366define MAKE_LD 367 368$(eval DEP := $(1).d) 369$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) -DIMAGE_$(call uppercase,$(3))) 370 371$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 372 $$(ECHO) " PP $$<" 373 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$< 374 375-include $(DEP) 376 377endef 378 379# MAKE_LIB_OBJS builds both C and assembly source files 380# $(1) = output directory 381# $(2) = list of source files 382# $(3) = name of the library 383define MAKE_LIB_OBJS 384 $(eval C_OBJS := $(filter %.c,$(2))) 385 $(eval REMAIN := $(filter-out %.c,$(2))) 386 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3)))) 387 388 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 389 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 390 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3)))) 391 392 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 393endef 394 395 396# MAKE_OBJS builds both C and assembly source files 397# $(1) = output directory 398# $(2) = list of source files (both C and assembly) 399# $(3) = BL stage 400define MAKE_OBJS 401 $(eval C_OBJS := $(filter %.c,$(2))) 402 $(eval REMAIN := $(filter-out %.c,$(2))) 403 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 404 405 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 406 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 407 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 408 409 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 410endef 411 412 413# NOTE: The line continuation '\' is required in the next define otherwise we 414# end up with a line-feed characer at the end of the last c filename. 415# Also bear this issue in mind if extending the list of supported filetypes. 416define SOURCES_TO_OBJS 417 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 418 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 419endef 420 421# Allow overriding the timestamp, for example for reproducible builds, or to 422# synchronize timestamps across multiple projects. 423# This must be set to a C string (including quotes where applicable). 424BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ 425 426.PHONY: libraries 427 428# MAKE_LIB_DIRS macro defines the target for the directory where 429# libraries are created 430define MAKE_LIB_DIRS 431 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 432 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 433 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper) 434 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT})) 435 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT})) 436 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT})) 437endef 438 439# MAKE_LIB macro defines the targets and options to build each BL image. 440# Arguments: 441# $(1) = Library name 442define MAKE_LIB 443 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1)) 444 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 445 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 446 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS)) 447 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 448 449$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 450$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 451 452.PHONY : lib${1}_dirs 453lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR} 454libraries: ${LIB_DIR}/lib$(1).a 455ifneq ($(findstring armlink,$(notdir $(LD))),) 456LDPATHS = --userlibpath=${LIB_DIR} 457LDLIBS += --library=$(1) 458else 459LDPATHS = -L${LIB_DIR} 460LDLIBS += -l$(1) 461endif 462 463ifeq ($(USE_ROMLIB),1) 464LIBWRAPPER = -lwrappers 465endif 466 467all: ${LIB_DIR}/lib$(1).a 468 469${LIB_DIR}/lib$(1).a: $(OBJS) 470 $$(ECHO) " AR $$@" 471 $$(Q)$$(AR) cr $$@ $$? 472endef 473 474# Generate the path to one or more preprocessed linker scripts given the paths 475# of their sources. 476# 477# Arguments: 478# $(1) = path to one or more linker script sources 479define linker_script_path 480 $(patsubst %.S,$(BUILD_DIR)/%,$(1)) 481endef 482 483# MAKE_BL macro defines the targets and options to build each BL image. 484# Arguments: 485# $(1) = BL stage 486# $(2) = FIP command line option (if empty, image will not be included in the FIP) 487# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 488# $(4) = BL encryption flag (optional) (0, 1) 489define MAKE_BL 490 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1)) 491 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES)) 492 $(eval SOURCES := $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 493 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 494 $(eval MAPFILE := $(call IMG_MAPFILE,$(1))) 495 $(eval ELF := $(call IMG_ELF,$(1))) 496 $(eval DUMP := $(call IMG_DUMP,$(1))) 497 $(eval BIN := $(call IMG_BIN,$(1))) 498 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) 499 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS)) 500 501 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(call uppercase,$(1))_DEFAULT_LINKER_SCRIPT_SOURCE)) 502 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE))) 503 504 $(eval LINKER_SCRIPT_SOURCES := $($(call uppercase,$(1))_LINKER_SCRIPT_SOURCES)) 505 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES))) 506 507 # We use sort only to get a list of unique object directory names. 508 # ordering is not relevant but sort removes duplicates. 509 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${DEFAULT_LINKER_SCRIPT} ${LINKER_SCRIPTS}))) 510 # The $(dir ) function leaves a trailing / on the directory names 511 # Rip off the / to match directory names with make rule targets. 512 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS))) 513 514# Create generators for object directory structure 515 516$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 517 518$(eval $(foreach objd,${OBJ_DIRS}, 519 $(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 520 521.PHONY : ${1}_dirs 522 523# We use order-only prerequisites to ensure that directories are created, 524# but do not cause re-builds every time a file is written. 525${1}_dirs: | ${OBJ_DIRS} 526 527$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 528 529# Generate targets to preprocess each required linker script 530$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \ 531 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1)))) 532 533$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS)) 534 535ifeq ($(USE_ROMLIB),1) 536$(ELF): romlib.bin 537endif 538 539# MODULE_OBJS can be assigned by vendors with different compiled 540# object file path, and prebuilt object file path. 541$(eval OBJS += $(MODULE_OBJS)) 542 543$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS) 544 $$(ECHO) " LD $$@" 545ifdef MAKE_BUILD_STRINGS 546 $(call MAKE_BUILD_STRINGS, $(BUILD_DIR)/build_message.o) 547else 548 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \ 549 const char version_string[] = "${VERSION_STRING}"; \ 550 const char version[] = "${VERSION}";' | \ 551 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o 552endif 553ifneq ($(findstring armlink,$(notdir $(LD))),) 554 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \ 555 --predefine="-D__LINKER__=$(__LINKER__)" \ 556 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \ 557 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \ 558 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \ 559 $(BUILD_DIR)/build_message.o $(OBJS) 560else ifneq ($(findstring gcc,$(notdir $(LD))),) 561 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Wl,-Map=$(MAPFILE) \ 562 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \ 563 $(BUILD_DIR)/build_message.o \ 564 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 565else 566 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \ 567 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \ 568 $(BUILD_DIR)/build_message.o \ 569 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 570endif 571ifeq ($(DISABLE_BIN_GENERATION),1) 572 @${ECHO_BLANK_LINE} 573 @echo "Built $$@ successfully" 574 @${ECHO_BLANK_LINE} 575endif 576 577$(DUMP): $(ELF) 578 $${ECHO} " OD $$@" 579 $${Q}$${OD} -dx $$< > $$@ 580 581$(BIN): $(ELF) 582 $${ECHO} " BIN $$@" 583 $$(Q)$$(OC) -O binary $$< $$@ 584 @${ECHO_BLANK_LINE} 585 @echo "Built $$@ successfully" 586 @${ECHO_BLANK_LINE} 587 588.PHONY: $(1) 589ifeq ($(DISABLE_BIN_GENERATION),1) 590$(1): $(ELF) $(DUMP) 591else 592$(1): $(BIN) $(DUMP) 593endif 594 595all: $(1) 596 597ifeq ($(4),1) 598$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) 599$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \ 600 $(ENC_BIN))) 601else 602$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3))) 603endif 604 605endef 606 607# Convert device tree source file names to matching blobs 608# $(1) = input dts 609define SOURCES_TO_DTBS 610 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) 611endef 612 613# MAKE_FDT_DIRS macro creates the prerequisite directories that host the 614# FDT binaries 615# $(1) = output directory 616# $(2) = input dts 617define MAKE_FDT_DIRS 618 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 619 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS}))) 620 # The $(dir ) function leaves a trailing / on the directory names 621 # Rip off the / to match directory names with make rule targets. 622 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS))) 623 624$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 625 626fdt_dirs: ${DTB_DIRS} 627endef 628 629# MAKE_DTB generate the Flattened device tree binary 630# $(1) = output directory 631# $(2) = input dts 632define MAKE_DTB 633 634# List of DTB file(s) to generate, based on DTS file basename list 635$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 636# List of the pre-compiled DTS file(s) 637$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) 638# Dependencies of the pre-compiled DTS file(s) on its source and included files 639$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) 640# Dependencies of the DT compilation on its pre-compiled DTS 641$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) 642 643$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs 644 $${ECHO} " CPP $$<" 645 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 646 $$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< 647 $${ECHO} " DTC $$<" 648 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE) 649 650-include $(DTBDEP) 651-include $(DTSDEP) 652 653endef 654 655# MAKE_DTBS builds flattened device tree sources 656# $(1) = output directory 657# $(2) = list of flattened device tree source files 658define MAKE_DTBS 659 $(eval DOBJS := $(filter %.dts,$(2))) 660 $(eval REMAIN := $(filter-out %.dts,$(2))) 661 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN))) 662 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) 663 664 $(eval $(call MAKE_FDT_DIRS,$(1),$(2))) 665 666dtbs: $(DTBS) 667all: dtbs 668endef 669