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# Convenience function to check for a given compiler option. A call to 109# $(call cc_option, --no-XYZ) will return --no-XYZ if supported by the compiler 110define cc_option 111 $(shell if $(CC) $(1) -c -x c /dev/null -o /dev/null >/dev/null 2>&1; then echo $(1); fi ) 112endef 113 114# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to 115# $(2) and assign the sequence to $(1) 116define CREATE_SEQ 117$(if $(word $(2), $($(1))),\ 118 $(eval $(1) += $(words $($(1))))\ 119 $(eval $(1) := $(filter-out 0,$($(1)))),\ 120 $(eval $(1) += $(words $($(1))))\ 121 $(call CREATE_SEQ,$(1),$(2))\ 122) 123endef 124 125# IMG_MAPFILE defines the output file describing the memory map corresponding 126# to a BL stage 127# $(1) = BL stage 128define IMG_MAPFILE 129 ${BUILD_DIR}/$(1).map 130endef 131 132# IMG_ELF defines the elf file corresponding to a BL stage 133# $(1) = BL stage 134define IMG_ELF 135 ${BUILD_DIR}/$(1).elf 136endef 137 138# IMG_DUMP defines the symbols dump file corresponding to a BL stage 139# $(1) = BL stage 140define IMG_DUMP 141 ${BUILD_DIR}/$(1).dump 142endef 143 144# IMG_BIN defines the default image file corresponding to a BL stage 145# $(1) = BL stage 146define IMG_BIN 147 ${BUILD_PLAT}/$(1).bin 148endef 149 150# IMG_BIN_IMG defines the default image file corresponding to a BL stage 151# $(1) = BL stage 152define IMG_BIN_IMG 153 ${BUILD_PLAT}/$(1).img 154endef 155 156# IMG_ENC_BIN defines the default encrypted image file corresponding to a 157# BL stage 158# $(1) = BL stage 159define IMG_ENC_BIN 160 ${BUILD_PLAT}/$(1)_enc.bin 161endef 162 163# ENCRYPT_FW invokes enctool to encrypt firmware binary 164# $(1) = input firmware binary 165# $(2) = output encrypted firmware binary 166define ENCRYPT_FW 167$(2): $(1) enctool 168 $$(ECHO) " ENC $$<" 169 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ 170endef 171 172# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to 173# package a new payload and/or by cert_create to generate certificate. 174# Optionally, it adds the dependency on this payload 175# $(1) = payload filename (i.e. bl31.bin) 176# $(2) = command line option for the specified payload (i.e. --soc-fw) 177# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 178# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 179# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 180define TOOL_ADD_PAYLOAD 181ifneq ($(5),) 182 $(4)FIP_ARGS += $(2) $(5) 183 $(if $(3),$(4)CRT_DEPS += $(1)) 184else 185 $(4)FIP_ARGS += $(2) $(1) 186 $(if $(3),$(4)CRT_DEPS += $(3)) 187endif 188 $(if $(3),$(4)FIP_DEPS += $(3)) 189 $(4)CRT_ARGS += $(2) $(1) 190endef 191 192# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters 193# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined. 194# $(1) = image_type (scp_bl2, bl33, etc.) 195# $(2) = payload filepath (ex. build/fvp/release/bl31.bin) 196# $(3) = command line option for the specified payload (ex. --soc-fw) 197# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 198# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 199# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 200 201define TOOL_ADD_IMG_PAYLOAD 202 203$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER)) 204 205ifneq ($(PRE_TOOL_FILTER),) 206 207$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX)) 208 209$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) 210 211$(PROCESSED_PATH): $(4) 212 213$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) 214 215else 216$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) 217endif 218endef 219 220# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation 221# $(1) = parameter filename 222# $(2) = cert_create command line option for the specified parameter 223# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 224define CERT_ADD_CMD_OPT 225 $(3)CRT_ARGS += $(2) $(1) 226endef 227 228# TOOL_ADD_IMG allows the platform to specify an external image to be packed 229# in the FIP and/or for which certificate is generated. It also adds a 230# dependency on the image file, aborting the build if the file does not exist. 231# $(1) = image_type (scp_bl2, bl33, etc.) 232# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) 233# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 234# $(4) = Image encryption flag (optional) (0, 1) 235# Example: 236# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 237define TOOL_ADD_IMG 238 # Build option to specify the image filename (SCP_BL2, BL33, etc) 239 # This is the uppercase form of the first parameter 240 $(eval _V := $(call uppercase,$(1))) 241 242 # $(check_$(1)_cmd) variable is executed in the check_$(1) target and also 243 # is put into the ${CHECK_$(3)FIP_CMD} variable which is executed by the 244 # target ${BUILD_PLAT}/${$(3)FIP_NAME}. 245 $(eval check_$(1)_cmd := \ 246 $(if $(value $(_V)),,$$$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) \ 247 $(if $(wildcard $(value $(_V))),,$$$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) \ 248 ) 249 250 $(3)CRT_DEPS += check_$(1) 251 CHECK_$(3)FIP_CMD += $$(check_$(1)_cmd) 252ifeq ($(4),1) 253 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin) 254 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN)) 255 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ 256 $(ENC_BIN)) 257else 258 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(if $(wildcard $(value $(_V))),$(value $(_V)),FORCE),$(3)) 259endif 260 261.PHONY: check_$(1) 262check_$(1): 263 $(check_$(1)_cmd) 264endef 265 266# SELECT_OPENSSL_API_VERSION selects the OpenSSL API version to be used to 267# build the host tools by checking the version of OpenSSL located under 268# the path defined by the OPENSSL_DIR variable. It receives no parameters. 269define SELECT_OPENSSL_API_VERSION 270 # Set default value for USING_OPENSSL3 macro to 0 271 $(eval USING_OPENSSL3 = 0) 272 # Obtain the OpenSSL version for the build located under OPENSSL_DIR 273 $(eval OPENSSL_INFO := $(shell LD_LIBRARY_PATH=${OPENSSL_DIR}:${OPENSSL_DIR}/lib ${OPENSSL_BIN_PATH}/openssl version)) 274 $(eval OPENSSL_CURRENT_VER = $(word 2, ${OPENSSL_INFO})) 275 $(eval OPENSSL_CURRENT_VER_MAJOR = $(firstword $(subst ., ,$(OPENSSL_CURRENT_VER)))) 276 # If OpenSSL version is 3.x, then set USING_OPENSSL3 flag to 1 277 $(if $(filter 3,$(OPENSSL_CURRENT_VER_MAJOR)), $(eval USING_OPENSSL3 = 1)) 278endef 279 280################################################################################ 281# Generic image processing filters 282################################################################################ 283 284# GZIP 285define GZIP_RULE 286$(1): $(2) 287 $(ECHO) " GZIP $$@" 288 $(Q)gzip -n -f -9 $$< --stdout > $$@ 289endef 290 291GZIP_SUFFIX := .gz 292 293################################################################################ 294# Auxiliary macros to build TF images from sources 295################################################################################ 296 297MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP 298 299 300# MAKE_C_LIB builds a C source file and generates the dependency file 301# $(1) = output directory 302# $(2) = source file (%.c) 303# $(3) = library name 304define MAKE_C_LIB 305$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 306$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 307$(eval LIB := $(call uppercase, $(notdir $(1)))) 308 309$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 310 $$(ECHO) " CC $$<" 311 $$(Q)$$(CC) $$($(LIB)_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 312 313-include $(DEP) 314 315endef 316 317# MAKE_S_LIB builds an assembly source file and generates the dependency file 318# $(1) = output directory 319# $(2) = source file (%.S) 320# $(3) = library name 321define MAKE_S_LIB 322$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 323$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 324 325$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 326 $$(ECHO) " AS $$<" 327 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 328 329-include $(DEP) 330 331endef 332 333 334# MAKE_C builds a C source file and generates the dependency file 335# $(1) = output directory 336# $(2) = source file (%.c) 337# $(3) = BL stage 338define MAKE_C 339 340$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 341$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 342 343$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES)) 344$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)) 345$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS)) 346$(eval BL_CFLAGS := $($(call uppercase,$(3))_CFLAGS) $(PLAT_BL_COMMON_CFLAGS)) 347 348$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 349 $$(ECHO) " CC $$<" 350 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 351 352-include $(DEP) 353 354endef 355 356 357# MAKE_S builds an assembly source file and generates the dependency file 358# $(1) = output directory 359# $(2) = assembly file (%.S) 360# $(3) = BL stage 361define MAKE_S 362 363$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 364$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 365 366$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES)) 367$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)) 368$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS)) 369$(eval BL_ASFLAGS := $($(call uppercase,$(3))_ASFLAGS) $(PLAT_BL_COMMON_ASFLAGS)) 370 371$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 372 $$(ECHO) " AS $$<" 373 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 374 375-include $(DEP) 376 377endef 378 379 380# MAKE_LD generate the linker script using the C preprocessor 381# $(1) = output linker script 382# $(2) = input template 383# $(3) = BL stage 384define MAKE_LD 385 386$(eval DEP := $(1).d) 387 388$(eval BL_DEFINES := IMAGE_$(call uppercase,$(3)) $($(call uppercase,$(3))_DEFINES) $(PLAT_BL_COMMON_DEFINES)) 389$(eval BL_INCLUDE_DIRS := $($(call uppercase,$(3))_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)) 390$(eval BL_CPPFLAGS := $($(call uppercase,$(3))_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS)) 391 392$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $(3)_dirs 393 $$(ECHO) " PP $$<" 394 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$< 395 396-include $(DEP) 397 398endef 399 400# MAKE_LIB_OBJS builds both C and assembly source files 401# $(1) = output directory 402# $(2) = list of source files 403# $(3) = name of the library 404define MAKE_LIB_OBJS 405 $(eval C_OBJS := $(filter %.c,$(2))) 406 $(eval REMAIN := $(filter-out %.c,$(2))) 407 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3)))) 408 409 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 410 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 411 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3)))) 412 413 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 414endef 415 416 417# MAKE_OBJS builds both C and assembly source files 418# $(1) = output directory 419# $(2) = list of source files (both C and assembly) 420# $(3) = BL stage 421define MAKE_OBJS 422 $(eval C_OBJS := $(filter %.c,$(2))) 423 $(eval REMAIN := $(filter-out %.c,$(2))) 424 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 425 426 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 427 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 428 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 429 430 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 431endef 432 433 434# NOTE: The line continuation '\' is required in the next define otherwise we 435# end up with a line-feed characer at the end of the last c filename. 436# Also bear this issue in mind if extending the list of supported filetypes. 437define SOURCES_TO_OBJS 438 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 439 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 440endef 441 442# Allow overriding the timestamp, for example for reproducible builds, or to 443# synchronize timestamps across multiple projects. 444# This must be set to a C string (including quotes where applicable). 445BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ 446 447.PHONY: libraries 448 449# MAKE_LIB_DIRS macro defines the target for the directory where 450# libraries are created 451define MAKE_LIB_DIRS 452 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 453 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 454 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper) 455 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT})) 456 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT})) 457 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT})) 458endef 459 460# MAKE_LIB macro defines the targets and options to build each BL image. 461# Arguments: 462# $(1) = Library name 463define MAKE_LIB 464 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1)) 465 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 466 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 467 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS)) 468 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 469 470$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 471$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 472 473.PHONY : lib${1}_dirs 474lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR} 475libraries: ${LIB_DIR}/lib$(1).a 476ifneq ($(findstring armlink,$(notdir $(LD))),) 477LDPATHS = --userlibpath=${LIB_DIR} 478LDLIBS += --library=$(1) 479else 480LDPATHS = -L${LIB_DIR} 481LDLIBS += -l$(1) 482endif 483 484ifeq ($(USE_ROMLIB),1) 485LIBWRAPPER = -lwrappers 486endif 487 488all: ${LIB_DIR}/lib$(1).a 489 490${LIB_DIR}/lib$(1).a: $(OBJS) 491 $$(ECHO) " AR $$@" 492 $$(Q)$$(AR) cr $$@ $$? 493endef 494 495# Generate the path to one or more preprocessed linker scripts given the paths 496# of their sources. 497# 498# Arguments: 499# $(1) = path to one or more linker script sources 500define linker_script_path 501 $(patsubst %.S,$(BUILD_DIR)/%,$(1)) 502endef 503 504# MAKE_BL macro defines the targets and options to build each BL image. 505# Arguments: 506# $(1) = BL stage 507# $(2) = FIP command line option (if empty, image will not be included in the FIP) 508# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 509# $(4) = BL encryption flag (optional) (0, 1) 510define MAKE_BL 511 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1)) 512 $(eval BL_SOURCES := $($(call uppercase,$(1))_SOURCES)) 513 $(eval SOURCES := $(sort $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES))) 514 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 515 $(eval MAPFILE := $(call IMG_MAPFILE,$(1))) 516 $(eval ELF := $(call IMG_ELF,$(1))) 517 $(eval DUMP := $(call IMG_DUMP,$(1))) 518 $(eval BIN := $(call IMG_BIN,$(1))) 519 $(eval IMG := $(call IMG_BIN_IMG,$(1))) 520 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) 521 $(eval BL_LIBS := $($(call uppercase,$(1))_LIBS)) 522 523 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(call uppercase,$(1))_DEFAULT_LINKER_SCRIPT_SOURCE)) 524 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE))) 525 526 $(eval LINKER_SCRIPT_SOURCES := $($(call uppercase,$(1))_LINKER_SCRIPT_SOURCES)) 527 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES))) 528 529 # We use sort only to get a list of unique object directory names. 530 # ordering is not relevant but sort removes duplicates. 531 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${DEFAULT_LINKER_SCRIPT} ${LINKER_SCRIPTS}))) 532 # The $(dir ) function leaves a trailing / on the directory names 533 # Rip off the / to match directory names with make rule targets. 534 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS))) 535 536# Create generators for object directory structure 537 538$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 539 540$(eval $(foreach objd,${OBJ_DIRS}, 541 $(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 542 543.PHONY : ${1}_dirs 544 545# We use order-only prerequisites to ensure that directories are created, 546# but do not cause re-builds every time a file is written. 547${1}_dirs: | ${OBJ_DIRS} 548 549$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 550 551# Generate targets to preprocess each required linker script 552$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \ 553 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1)))) 554 555$(eval BL_LDFLAGS := $($(call uppercase,$(1))_LDFLAGS)) 556 557ifeq ($(USE_ROMLIB),1) 558$(ELF): romlib.bin 559endif 560 561# MODULE_OBJS can be assigned by vendors with different compiled 562# object file path, and prebuilt object file path. 563$(eval OBJS += $(MODULE_OBJS)) 564 565$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS) 566 $$(ECHO) " LD $$@" 567ifdef MAKE_BUILD_STRINGS 568 $(call MAKE_BUILD_STRINGS,$(BUILD_DIR)/build_message.o) 569else 570 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \ 571 const char version_string[] = "${VERSION_STRING}"; \ 572 const char version[] = "${VERSION}";' | \ 573 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o 574endif 575ifneq ($(findstring armlink,$(notdir $(LD))),) 576 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \ 577 --predefine="-D__LINKER__=$(__LINKER__)" \ 578 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \ 579 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \ 580 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \ 581 $(BUILD_DIR)/build_message.o $(OBJS) 582else ifneq ($(findstring gcc,$(notdir $(LD))),) 583 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Wl,-Map=$(MAPFILE) \ 584 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \ 585 $(BUILD_DIR)/build_message.o \ 586 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 587else 588 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \ 589 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \ 590 $(BUILD_DIR)/build_message.o \ 591 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 592endif 593ifeq ($(DISABLE_BIN_GENERATION),1) 594 @${ECHO_BLANK_LINE} 595 @echo "Built $$@ successfully" 596 @${ECHO_BLANK_LINE} 597endif 598 599$(DUMP): $(ELF) 600 $${ECHO} " OD $$@" 601 $${Q}$${OD} -dx $$< > $$@ 602 603$(BIN): $(ELF) 604 $${ECHO} " BIN $$@" 605 $$(Q)$$(OC) -O binary $$< $$@ 606 @${ECHO_BLANK_LINE} 607 @echo "Built $$@ successfully" 608 @${ECHO_BLANK_LINE} 609 610$(IMG): $(BIN) 611 $${ECHO} " MKIMAGE $$@" 612 $$(Q)mkimage -A arm -T firmware -O arm-trusted-firmware -n "ATF" -d $$< $$@ 613 @echo "Built $$@ successfully" 614 @${ECHO_BLANK_LINE} 615 616.PHONY: $(1) 617ifeq ($(DISABLE_BIN_GENERATION),1) 618$(1): $(ELF) $(DUMP) 619else 620$(1): $(BIN) $(DUMP) $(IMG) 621endif 622 623all: $(1) 624 625ifeq ($(4),1) 626$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) 627$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \ 628 $(ENC_BIN))) 629else 630$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(BIN),--$(2),$(BIN),$(3))) 631endif 632 633endef 634 635# Convert device tree source file names to matching blobs 636# $(1) = input dts 637define SOURCES_TO_DTBS 638 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) 639endef 640 641# MAKE_FDT_DIRS macro creates the prerequisite directories that host the 642# FDT binaries 643# $(1) = output directory 644# $(2) = input dts 645define MAKE_FDT_DIRS 646 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 647 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS}))) 648 # The $(dir ) function leaves a trailing / on the directory names 649 # Rip off the / to match directory names with make rule targets. 650 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS))) 651 652$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 653 654fdt_dirs: ${DTB_DIRS} 655endef 656 657# MAKE_DTB generate the Flattened device tree binary 658# $(1) = output directory 659# $(2) = input dts 660define MAKE_DTB 661 662# List of DTB file(s) to generate, based on DTS file basename list 663$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 664# List of the pre-compiled DTS file(s) 665$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) 666# Dependencies of the pre-compiled DTS file(s) on its source and included files 667$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) 668# Dependencies of the DT compilation on its pre-compiled DTS 669$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) 670 671$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs 672 $${ECHO} " CPP $$<" 673 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 674 $$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< 675 $${ECHO} " DTC $$<" 676 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE) 677 678-include $(DTBDEP) 679-include $(DTSDEP) 680 681endef 682 683# MAKE_DTBS builds flattened device tree sources 684# $(1) = output directory 685# $(2) = list of flattened device tree source files 686define MAKE_DTBS 687 $(eval DOBJS := $(filter %.dts,$(2))) 688 $(eval REMAIN := $(filter-out %.dts,$(2))) 689 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN))) 690 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) 691 692 $(eval $(call MAKE_FDT_DIRS,$(1),$(2))) 693 694dtbs: $(DTBS) 695all: dtbs 696endef 697