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# A user defined function to recursively search for a filename below a directory 14# $1 is the directory root of the recursive search (blank for current directory). 15# $2 is the file name to search for. 16define rwildcard 17$(strip $(foreach d,$(wildcard ${1}*),$(call rwildcard,${d}/,${2}) $(filter $(subst *,%,%${2}),${d}))) 18endef 19 20# Convenience function for setting a variable to 0 if not previously set 21# $(eval $(call default_zero,FOO)) 22define default_zero 23 $(eval $(1) ?= 0) 24endef 25 26# Convenience function for setting a list of variables to 0 if not previously set 27# $(eval $(call default_zeros,FOO BAR)) 28define default_zeros 29 $(foreach var,$1,$(eval $(call default_zero,$(var)))) 30endef 31 32# Convenience function for setting a variable to 1 if not previously set 33# $(eval $(call default_one,FOO)) 34define default_one 35 $(eval $(1) ?= 1) 36endef 37 38# Convenience function for setting a list of variables to 1 if not previously set 39# $(eval $(call default_ones,FOO BAR)) 40define default_ones 41 $(foreach var,$1,$(eval $(call default_one,$(var)))) 42endef 43 44# Convenience function for adding build definitions 45# $(eval $(call add_define,FOO)) will have: 46# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 47define add_define 48 DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 49endef 50 51# Convenience function for addding multiple build definitions 52# $(eval $(call add_defines,FOO BOO)) 53define add_defines 54 $(foreach def,$1,$(eval $(call add_define,$(def)))) 55endef 56 57# Convenience function for adding build definitions 58# $(eval $(call add_define_val,FOO,BAR)) will have: 59# -DFOO=BAR 60define add_define_val 61 DEFINES += -D$(1)=$(2) 62endef 63 64# Convenience function for verifying option has a boolean value 65# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 66define assert_boolean 67 $(if $($(1)),,$(error $(1) must not be empty)) 68 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean)) 69endef 70 71# Convenience function for verifying options have boolean values 72# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values 73define assert_booleans 74 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool)))) 75endef 76 770-9 := 0 1 2 3 4 5 6 7 8 9 78 79# Function to verify that a given option $(1) contains a numeric value 80define assert_numeric 81$(if $($(1)),,$(error $(1) must not be empty)) 82$(eval __numeric := $($(1))) 83$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) 84$(if $(__numeric),$(error $(1) must be numeric)) 85endef 86 87# Convenience function for verifying options have numeric values 88# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values 89define assert_numerics 90 $(foreach num,$1,$(eval $(call assert_numeric,$(num)))) 91endef 92 93# Convenience function to check for a given linker option. An call to 94# $(call ld_option, --no-XYZ) will return --no-XYZ if supported by the linker 95ld_option = $(shell $($(ARCH)-ld) $(1) -Wl,--version >/dev/null 2>&1 || $($(ARCH)-ld) $(1) -v >/dev/null 2>&1 && echo $(1)) 96 97# Convenience function to check for a given compiler option. A call to 98# $(call cc_option, --no-XYZ) will return --no-XYZ if supported by the compiler 99# NOTE: consider assigning to an immediately expanded temporary variable before 100# assigning. This is because variables like TF_CFLAGS are recursively expanded 101# and assigning this directly will cause it to be expanded every time the 102# variable is used, potentially thrashing multicore performance. 103define cc_option 104 $(shell if $($(ARCH)-cc) $(1) -c -x c /dev/null -o /dev/null >/dev/null 2>&1; then echo $(1); fi ) 105endef 106 107# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to 108# $(2) and assign the sequence to $(1) 109define CREATE_SEQ 110$(if $(word $(2), $($(1))),\ 111 $(eval $(1) += $(words $($(1))))\ 112 $(eval $(1) := $(filter-out 0,$($(1)))),\ 113 $(eval $(1) += $(words $($(1))))\ 114 $(call CREATE_SEQ,$(1),$(2))\ 115) 116endef 117 118# IMG_MAPFILE defines the output file describing the memory map corresponding 119# to a BL stage 120# $(1) = BL stage 121define IMG_MAPFILE 122 ${BUILD_DIR}/$(1).map 123endef 124 125# IMG_ELF defines the elf file corresponding to a BL stage 126# $(1) = BL stage 127define IMG_ELF 128 ${BUILD_DIR}/$(1).elf 129endef 130 131# IMG_DUMP defines the symbols dump file corresponding to a BL stage 132# $(1) = BL stage 133define IMG_DUMP 134 ${BUILD_DIR}/$(1).dump 135endef 136 137# IMG_BIN defines the default image file corresponding to a BL stage 138# $(1) = BL stage 139define IMG_BIN 140 ${BUILD_PLAT}/$(1).bin 141endef 142 143# IMG_ENC_BIN defines the default encrypted image file corresponding to a 144# BL stage 145# $(1) = BL stage 146define IMG_ENC_BIN 147 ${BUILD_PLAT}/$(1)_enc.bin 148endef 149 150# ENCRYPT_FW invokes enctool to encrypt firmware binary 151# $(1) = input firmware binary 152# $(2) = output encrypted firmware binary 153define ENCRYPT_FW 154$(2): $(1) enctool 155 $$(s)echo " ENC $$<" 156 $$(q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ 157endef 158 159# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to 160# package a new payload and/or by cert_create to generate certificate. 161# Optionally, it adds the dependency on this payload 162# $(1) = payload filename (i.e. bl31.bin) 163# $(2) = command line option for the specified payload (i.e. --soc-fw) 164# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 165# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 166# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 167define TOOL_ADD_PAYLOAD 168ifneq ($(5),) 169 $(4)FIP_ARGS += $(2) $(5) 170 $(if $(3),$(4)CRT_DEPS += $(1)) 171else 172 $(4)FIP_ARGS += $(2) $(1) 173 $(if $(3),$(4)CRT_DEPS += $(3)) 174endif 175 $(if $(3),$(4)FIP_DEPS += $(3)) 176 $(4)CRT_ARGS += $(2) $(1) 177endef 178 179# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters 180# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined. 181# $(1) = image_type (scp_bl2, bl33, etc.) 182# $(2) = payload filepath (ex. build/fvp/release/bl31.bin) 183# $(3) = command line option for the specified payload (ex. --soc-fw) 184# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 185# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 186# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 187 188define TOOL_ADD_IMG_PAYLOAD 189 190$(eval PRE_TOOL_FILTER := $($(1)_PRE_TOOL_FILTER)) 191 192ifneq ($(PRE_TOOL_FILTER),) 193 194$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX)) 195 196$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) 197 198$(PROCESSED_PATH): $(4) 199 200$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) 201 202else 203$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) 204endif 205endef 206 207# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation 208# $(1) = parameter filename 209# $(2) = cert_create command line option for the specified parameter 210# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 211define CERT_ADD_CMD_OPT 212 $(3)CRT_ARGS += $(2) $(1) 213endef 214 215# TOOL_ADD_IMG allows the platform to specify an external image to be packed 216# in the FIP and/or for which certificate is generated. It also adds a 217# dependency on the image file, aborting the build if the file does not exist. 218# $(1) = image_type (scp_bl2, bl33, etc.) 219# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) 220# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 221# $(4) = Image encryption flag (optional) (0, 1) 222# Example: 223# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 224define TOOL_ADD_IMG 225 # Build option to specify the image filename (SCP_BL2, BL33, etc) 226 # This is the uppercase form of the first parameter 227 $(eval BL := $(call uppercase,$(1))) 228 $(eval _V := $(BL)) 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 $(call TOOL_ADD_IMG_PAYLOAD,$(BL),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ 244 $(ENC_BIN)) 245else 246 $(call TOOL_ADD_IMG_PAYLOAD,$(BL),$(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 $(s)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 292# $(4) = uppercase name of the library 293define MAKE_C_LIB 294$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 295$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 296$(eval LIB := $(notdir $(1))) 297 298$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $$$$(@D)/ 299 $$(s)echo " CC $$<" 300 $$(q)$($(ARCH)-cc) $$($(LIB)_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 301 302-include $(DEP) 303 304endef 305 306# MAKE_S_LIB builds an assembly source file and generates the dependency file 307# $(1) = output directory 308# $(2) = source file (%.S) 309# $(3) = library name 310# $(4) = uppercase name of the library 311define MAKE_S_LIB 312$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 313$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 314 315$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $$$$(@D)/ 316 $$(s)echo " AS $$<" 317 $$(q)$($(ARCH)-as) -x assembler-with-cpp $$(TF_CFLAGS_$(ARCH)) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 318 319-include $(DEP) 320 321endef 322 323 324# MAKE_C builds a C source file and generates the dependency file 325# $(1) = output directory 326# $(2) = source file (%.c) 327# $(3) = BL stage 328# $(4) = uppercase BL stage 329define MAKE_C 330 331$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 332$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 333 334$(eval BL_DEFINES := IMAGE_$(4) $($(4)_DEFINES) $(PLAT_BL_COMMON_DEFINES)) 335$(eval BL_INCLUDE_DIRS := $($(4)_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)) 336$(eval BL_CPPFLAGS := $($(4)_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS)) 337$(eval BL_CFLAGS := $($(4)_CFLAGS) $(PLAT_BL_COMMON_CFLAGS)) 338 339$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $$$$(@D)/ 340 $$(s)echo " CC $$<" 341 $$(q)$($(ARCH)-cc) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 342 343-include $(DEP) 344 345endef 346 347 348# MAKE_S builds an assembly source file and generates the dependency file 349# $(1) = output directory 350# $(2) = assembly file (%.S) 351# $(3) = BL stage 352# $(4) = uppercase BL stage 353define MAKE_S 354 355$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 356$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 357 358$(eval BL_DEFINES := IMAGE_$(4) $($(4)_DEFINES) $(PLAT_BL_COMMON_DEFINES)) 359$(eval BL_INCLUDE_DIRS := $($(4)_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)) 360$(eval BL_CPPFLAGS := $($(4)_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS)) 361$(eval BL_ASFLAGS := $($(4)_ASFLAGS) $(PLAT_BL_COMMON_ASFLAGS)) 362 363$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $$$$(@D)/ 364 $$(s)echo " AS $$<" 365 $$(q)$($(ARCH)-as) -x assembler-with-cpp $$(TF_CFLAGS_$(ARCH)) $$(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 376# $(4) = uppercase BL stage 377define MAKE_LD 378 379$(eval DEP := $(1).d) 380 381$(eval BL_DEFINES := IMAGE_$(4) $($(4)_DEFINES) $(PLAT_BL_COMMON_DEFINES)) 382$(eval BL_INCLUDE_DIRS := $($(4)_INCLUDE_DIRS) $(PLAT_BL_COMMON_INCLUDE_DIRS)) 383$(eval BL_CPPFLAGS := $($(4)_CPPFLAGS) $(addprefix -D,$(BL_DEFINES)) $(addprefix -I,$(BL_INCLUDE_DIRS)) $(PLAT_BL_COMMON_CPPFLAGS)) 384 385$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | $$$$(@D)/ 386 $$(s)echo " PP $$<" 387 $$(q)$($(ARCH)-cpp) -E $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$< 388 389-include $(DEP) 390 391endef 392 393# MAKE_LIB_OBJS builds both C and assembly source files 394# $(1) = output directory 395# $(2) = list of source files 396# $(3) = name of the library 397# $(4) = uppercase 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),$(4)))) 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),$(4)))) 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 415# $(4) = uppercase BL stage 416define MAKE_OBJS 417 $(eval C_OBJS := $(filter %.c,$(2))) 418 $(eval REMAIN := $(filter-out %.c,$(2))) 419 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3),$(4)))) 420 421 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 422 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 423 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3),$(4)))) 424 425 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 426endef 427 428 429# NOTE: The line continuation '\' is required in the next define otherwise we 430# end up with a line-feed characer at the end of the last c filename. 431# Also bear this issue in mind if extending the list of supported filetypes. 432define SOURCES_TO_OBJS 433 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 434 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 435endef 436 437.PHONY: libraries 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 BL := $(call uppercase,$(1))) 444 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1)) 445 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 446 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 447 $(eval SOURCES := $(LIB$(BL)_SRCS)) 448 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 449 450$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1),$(BL))) 451 452libraries: ${LIB_DIR}/lib$(1).a 453ifeq ($($(ARCH)-ld-id),arm-link) 454LDPATHS = --userlibpath=${LIB_DIR} 455LDLIBS += --library=$(1) 456else 457LDPATHS = -L${LIB_DIR} 458LDLIBS += -l$(1) 459endif 460 461ifeq ($(USE_ROMLIB),1) 462LIBWRAPPER = -lwrappers 463endif 464 465all: ${LIB_DIR}/lib$(1).a 466 467${LIB_DIR}/lib$(1).a: $(OBJS) | $$$$(@D)/ 468 $$(s)echo " AR $$@" 469 $$(q)$($(ARCH)-ar) cr $$@ $$? 470endef 471 472# Generate the path to one or more preprocessed linker scripts given the paths 473# of their sources. 474# 475# Arguments: 476# $(1) = path to one or more linker script sources 477define linker_script_path 478 $(patsubst %.S,$(BUILD_DIR)/%,$(1)) 479endef 480 481ifeq ($(USE_ROMLIB),1) 482WRAPPER_FLAGS := @${BUILD_PLAT}/romlib/romlib.ldflags 483endif 484 485# MAKE_BL macro defines the targets and options to build each BL image. 486# Arguments: 487# $(1) = BL stage 488# $(2) = FIP command line option (if empty, image will not be included in the FIP) 489# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 490# $(4) = BL encryption flag (optional) (0, 1) 491define MAKE_BL 492 $(eval BL := $(call uppercase,$(1))) 493 $(eval BUILD_DIR := ${BUILD_PLAT}/$(1)) 494 $(eval BL_SOURCES := $($(BL)_SOURCES)) 495 $(eval SOURCES := $(sort $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES))) 496 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 497 $(eval MAPFILE := $(call IMG_MAPFILE,$(1))) 498 $(eval ELF := $(call IMG_ELF,$(1))) 499 $(eval DUMP := $(call IMG_DUMP,$(1))) 500 $(eval BIN := $(call IMG_BIN,$(1))) 501 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) 502 $(eval BL_LIBS := $($(BL)_LIBS)) 503 504 $(eval DEFAULT_LINKER_SCRIPT_SOURCE := $($(BL)_DEFAULT_LINKER_SCRIPT_SOURCE)) 505 $(eval DEFAULT_LINKER_SCRIPT := $(call linker_script_path,$(DEFAULT_LINKER_SCRIPT_SOURCE))) 506 507 $(eval LINKER_SCRIPT_SOURCES := $($(BL)_LINKER_SCRIPT_SOURCES)) 508 $(eval LINKER_SCRIPTS := $(call linker_script_path,$(LINKER_SCRIPT_SOURCES))) 509 510$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1),$(BL))) 511 512# Generate targets to preprocess each required linker script 513$(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES), \ 514 $(call MAKE_LD,$(call linker_script_path,$(source)),$(source),$(1),$(BL)))) 515 516$(eval BL_LDFLAGS := $($(BL)_LDFLAGS)) 517 518ifeq ($(USE_ROMLIB),1) 519$(ELF): romlib.bin | $$$$(@D)/ 520endif 521 522# MODULE_OBJS can be assigned by vendors with different compiled 523# object file path, and prebuilt object file path. 524$(eval OBJS += $(MODULE_OBJS)) 525 526$(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $$$$(@D)/ libraries $(BL_LIBS) 527 $$(s)echo " LD $$@" 528ifeq ($($(ARCH)-ld-id),arm-link) 529 $$(q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \ 530 --predefine=$(call escape-shell,-D__LINKER__=$(__LINKER__)) \ 531 --predefine=$(call escape-shell,-DTF_CFLAGS=$(TF_CFLAGS)) \ 532 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \ 533 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) $(OBJS) 534else ifeq ($($(ARCH)-ld-id),gnu-gcc) 535 $$(q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $$(WRAPPER_FLAGS) $(BL_LDFLAGS) -Wl,-Map=$(MAPFILE) \ 536 $(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \ 537 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 538else 539 $$(q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $$(WRAPPER_FLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \ 540 $(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \ 541 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 542endif 543ifeq ($(DISABLE_BIN_GENERATION),1) 544 $(s)echo 545 $(s)echo "Built $$@ successfully" 546 $(s)echo 547endif 548 549$(DUMP): $(ELF) | $$$$(@D)/ 550 $$(s)echo " OD $$@" 551 $$(q)$($(ARCH)-od) -dx $$< > $$@ 552 553$(BIN): $(ELF) | $$$$(@D)/ 554 $$(s)echo " BIN $$@" 555 $$(q)$($(ARCH)-oc) -O binary $$< $$@ 556 $(s)echo 557 $(s)echo "Built $$@ successfully" 558 $(s)echo 559 560.PHONY: $(1) 561ifeq ($(DISABLE_BIN_GENERATION),1) 562$(1): $(ELF) $(DUMP) 563else 564$(1): $(BIN) $(DUMP) 565endif 566 567all: $(1) 568 569ifeq ($(4),1) 570$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) 571$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(BL),$(BIN),--$(2),$(ENC_BIN),$(3), \ 572 $(ENC_BIN))) 573else 574$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,$(BL),$(BIN),--$(2),$(BIN),$(3))) 575endif 576 577endef 578 579# Convert device tree source file names to matching blobs 580# $(1) = input dts 581define SOURCES_TO_DTBS 582 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) 583endef 584 585# MAKE_DTB generate the Flattened device tree binary 586# $(1) = output directory 587# $(2) = input dts 588define MAKE_DTB 589 590# List of DTB file(s) to generate, based on DTS file basename list 591$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 592# List of the pre-compiled DTS file(s) 593$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) 594# Dependencies of the pre-compiled DTS file(s) on its source and included files 595$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) 596# Dependencies of the DT compilation on its pre-compiled DTS 597$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) 598 599$(DPRE): $(2) | $$$$(@D)/ 600 $$(s)echo " CPP $$<" 601 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 602 $$(q)$($(ARCH)-cpp) -E $$(TF_CFLAGS_$(ARCH)) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< 603 604$(DOBJ): $(DPRE) $(filter-out %.d,$(MAKEFILE_LIST)) | $$$$(@D)/ 605 $$(s)echo " DTC $$<" 606 $$(q)$($(ARCH)-dtc) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $$< 607 608-include $(DTBDEP) 609-include $(DTSDEP) 610 611endef 612 613# MAKE_DTBS builds flattened device tree sources 614# $(1) = output directory 615# $(2) = list of flattened device tree source files 616define MAKE_DTBS 617 $(eval DOBJS := $(filter %.dts,$(2))) 618 $(eval REMAIN := $(filter-out %.dts,$(2))) 619 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN))) 620 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) 621 622dtbs: $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))) 623all: dtbs 624endef 625