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