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