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