1# 2# Copyright (c) 2015-2020, 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 $$(eval)) 11endif 12 13# Some utility macros for manipulating awkward (whitespace) characters. 14blank := 15space :=${blank} ${blank} 16 17# A user defined function to recursively search for a filename below a directory 18# $1 is the directory root of the recursive search (blank for current directory). 19# $2 is the file name to search for. 20define rwildcard 21$(strip $(foreach d,$(wildcard ${1}*),$(call rwildcard,${d}/,${2}) $(filter $(subst *,%,%${2}),${d}))) 22endef 23 24# This table is used in converting lower case to upper case. 25uppercase_table:=a,A b,B c,C d,D e,E f,F g,G h,H i,I j,J k,K l,L m,M n,N o,O p,P q,Q r,R s,S t,T u,U v,V w,W x,X y,Y z,Z 26 27# Internal macro used for converting lower case to upper case. 28# $(1) = upper case table 29# $(2) = String to convert 30define uppercase_internal 31$(if $(1),$$(subst $(firstword $(1)),$(call uppercase_internal,$(wordlist 2,$(words $(1)),$(1)),$(2))),$(2)) 32endef 33 34# A macro for converting a string to upper case 35# $(1) = String to convert 36define uppercase 37$(eval uppercase_result:=$(call uppercase_internal,$(uppercase_table),$(1)))$(uppercase_result) 38endef 39 40# Convenience function for adding build definitions 41# $(eval $(call add_define,FOO)) will have: 42# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise 43define add_define 44 DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) 45endef 46 47 48# Convenience function for addding multiple build definitions 49# $(eval $(call add_defines,FOO BOO)) 50define add_defines 51 $(foreach def,$1,$(eval $(call add_define,$(def)))) 52endef 53 54# Convenience function for adding build definitions 55# $(eval $(call add_define_val,FOO,BAR)) will have: 56# -DFOO=BAR 57define add_define_val 58 DEFINES += -D$(1)=$(2) 59endef 60 61# Convenience function for verifying option has a boolean value 62# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 63define assert_boolean 64 $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean)) 65endef 66 67# Convenience function for verifying options have boolean values 68# $(eval $(call assert_booleans,FOO BOO)) will assert FOO and BOO for 0 or 1 values 69define assert_booleans 70 $(foreach bool,$1,$(eval $(call assert_boolean,$(bool)))) 71endef 72 730-9 := 0 1 2 3 4 5 6 7 8 9 74 75# Function to verify that a given option $(1) contains a numeric value 76define assert_numeric 77$(if $($(1)),,$(error $(1) must not be empty)) 78$(eval __numeric := $($(1))) 79$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) 80$(if $(__numeric),$(error $(1) must be numeric)) 81endef 82 83# Convenience function for verifying options have numeric values 84# $(eval $(call assert_numerics,FOO BOO)) will assert FOO and BOO contain numeric values 85define assert_numerics 86 $(foreach num,$1,$(eval $(call assert_numeric,$(num)))) 87endef 88 89# CREATE_SEQ is a recursive function to create sequence of numbers from 1 to 90# $(2) and assign the sequence to $(1) 91define CREATE_SEQ 92$(if $(word $(2), $($(1))),\ 93 $(eval $(1) += $(words $($(1))))\ 94 $(eval $(1) := $(filter-out 0,$($(1)))),\ 95 $(eval $(1) += $(words $($(1))))\ 96 $(call CREATE_SEQ,$(1),$(2))\ 97) 98endef 99 100# IMG_LINKERFILE defines the linker script corresponding to a BL stage 101# $(1) = BL stage (1, 2, 2u, 31, 32) 102define IMG_LINKERFILE 103 ${BUILD_DIR}/bl$(1).ld 104endef 105 106# IMG_MAPFILE defines the output file describing the memory map corresponding 107# to a BL stage 108# $(1) = BL stage (1, 2, 2u, 31, 32) 109define IMG_MAPFILE 110 ${BUILD_DIR}/bl$(1).map 111endef 112 113# IMG_ELF defines the elf file corresponding to a BL stage 114# $(1) = BL stage (1, 2, 2u, 31, 32) 115define IMG_ELF 116 ${BUILD_DIR}/bl$(1).elf 117endef 118 119# IMG_DUMP defines the symbols dump file corresponding to a BL stage 120# $(1) = BL stage (1, 2, 2u, 31, 32) 121define IMG_DUMP 122 ${BUILD_DIR}/bl$(1).dump 123endef 124 125# IMG_BIN defines the default image file corresponding to a BL stage 126# $(1) = BL stage (1, 2, 2u, 31, 32) 127define IMG_BIN 128 ${BUILD_PLAT}/bl$(1).bin 129endef 130 131# IMG_ENC_BIN defines the default encrypted image file corresponding to a 132# BL stage 133# $(1) = BL stage (2, 30, 31, 32, 33) 134define IMG_ENC_BIN 135 ${BUILD_PLAT}/bl$(1)_enc.bin 136endef 137 138# ENCRYPT_FW invokes enctool to encrypt firmware binary 139# $(1) = input firmware binary 140# $(2) = output encrypted firmware binary 141define ENCRYPT_FW 142$(2): $(1) enctool 143 $$(ECHO) " ENC $$<" 144 $$(Q)$$(ENCTOOL) $$(ENC_ARGS) -i $$< -o $$@ 145endef 146 147# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to 148# package a new payload and/or by cert_create to generate certificate. 149# Optionally, it adds the dependency on this payload 150# $(1) = payload filename (i.e. bl31.bin) 151# $(2) = command line option for the specified payload (i.e. --soc-fw) 152# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 153# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 154# $(5) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 155define TOOL_ADD_PAYLOAD 156ifneq ($(5),) 157 $(4)FIP_ARGS += $(2) $(5) 158 $(if $(3),$(4)CRT_DEPS += $(1)) 159else 160 $(4)FIP_ARGS += $(2) $(1) 161 $(if $(3),$(4)CRT_DEPS += $(3)) 162endif 163 $(if $(3),$(4)FIP_DEPS += $(3)) 164 $(4)CRT_ARGS += $(2) $(1) 165endef 166 167# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters 168# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined. 169# $(1) = image_type (scp_bl2, bl33, etc.) 170# $(2) = payload filepath (ex. build/fvp/release/bl31.bin) 171# $(3) = command line option for the specified payload (ex. --soc-fw) 172# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin) 173# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 174# $(6) = encrypted payload (optional) (ex. build/fvp/release/bl31_enc.bin) 175 176define TOOL_ADD_IMG_PAYLOAD 177 178$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER)) 179 180ifneq ($(PRE_TOOL_FILTER),) 181 182$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX)) 183 184$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2)) 185 186$(PROCESSED_PATH): $(4) 187 188$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5),$(6)) 189 190else 191$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5),$(6)) 192endif 193endef 194 195# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation 196# $(1) = parameter filename 197# $(2) = cert_create command line option for the specified parameter 198# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 199define CERT_ADD_CMD_OPT 200 $(3)CRT_ARGS += $(2) $(1) 201endef 202 203# TOOL_ADD_IMG allows the platform to specify an external image to be packed 204# in the FIP and/or for which certificate is generated. It also adds a 205# dependency on the image file, aborting the build if the file does not exist. 206# $(1) = image_type (scp_bl2, bl33, etc.) 207# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) 208# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 209# $(4) = Image encryption flag (optional) (0, 1) 210# Example: 211# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw)) 212define TOOL_ADD_IMG 213 # Build option to specify the image filename (SCP_BL2, BL33, etc) 214 # This is the uppercase form of the first parameter 215 $(eval _V := $(call uppercase,$(1))) 216 217 $(3)CRT_DEPS += check_$(1) 218 $(3)FIP_DEPS += check_$(1) 219ifeq ($(4),1) 220 $(eval ENC_BIN := ${BUILD_PLAT}/$(1)_enc.bin) 221 $(call ENCRYPT_FW,$(value $(_V)),$(ENC_BIN)) 222 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),$(ENC_BIN),$(3), \ 223 $(ENC_BIN)) 224else 225 $(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),,$(3)) 226endif 227 228.PHONY: check_$(1) 229check_$(1): 230 $$(if $(value $(_V)),,$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file")) 231 $$(if $(wildcard $(value $(_V))),,$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist)) 232endef 233 234################################################################################ 235# Generic image processing filters 236################################################################################ 237 238# GZIP 239define GZIP_RULE 240$(1): $(2) 241 $(ECHO) " GZIP $$@" 242 $(Q)gzip -n -f -9 $$< --stdout > $$@ 243endef 244 245GZIP_SUFFIX := .gz 246 247################################################################################ 248# Auxiliary macros to build TF images from sources 249################################################################################ 250 251MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP 252 253 254# MAKE_C_LIB builds a C source file and generates the dependency file 255# $(1) = output directory 256# $(2) = source file (%.c) 257# $(3) = library name 258define MAKE_C_LIB 259$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 260$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 261 262$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 263 $$(ECHO) " CC $$<" 264 $$(Q)$$(CC) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 265 266-include $(DEP) 267 268endef 269 270# MAKE_S_LIB builds an assembly source file and generates the dependency file 271# $(1) = output directory 272# $(2) = source file (%.S) 273# $(3) = library name 274define MAKE_S_LIB 275$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 276$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 277 278$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs 279 $$(ECHO) " AS $$<" 280 $$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 281 282-include $(DEP) 283 284endef 285 286 287# MAKE_C builds a C source file and generates the dependency file 288# $(1) = output directory 289# $(2) = source file (%.c) 290# $(3) = BL stage (1, 2, 2u, 31, 32) 291define MAKE_C 292 293$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 294$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 295$(eval BL_CPPFLAGS := $(BL$(call uppercase,$(3))_CPPFLAGS) -DIMAGE_BL$(call uppercase,$(3))) 296$(eval BL_CFLAGS := $(BL$(call uppercase,$(3))_CFLAGS)) 297 298$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | bl$(3)_dirs 299 $$(ECHO) " CC $$<" 300 $$(Q)$$(CC) $$(LTO_CFLAGS) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CPPFLAGS) $(BL_CFLAGS) $(MAKE_DEP) -c $$< -o $$@ 301 302-include $(DEP) 303 304endef 305 306 307# MAKE_S builds an assembly source file and generates the dependency file 308# $(1) = output directory 309# $(2) = assembly file (%.S) 310# $(3) = BL stage (1, 2, 2u, 31, 32) 311define MAKE_S 312 313$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 314$(eval DEP := $(patsubst %.o,%.d,$(OBJ))) 315$(eval BL_CPPFLAGS := $(BL$(call uppercase,$(3))_CPPFLAGS) -DIMAGE_BL$(call uppercase,$(3))) 316$(eval BL_ASFLAGS := $(BL$(call uppercase,$(3))_ASFLAGS)) 317 318$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | bl$(3)_dirs 319 $$(ECHO) " AS $$<" 320 $$(Q)$$(AS) $$(ASFLAGS) $(BL_CPPFLAGS) $(BL_ASFLAGS) $(MAKE_DEP) -c $$< -o $$@ 321 322-include $(DEP) 323 324endef 325 326 327# MAKE_LD generate the linker script using the C preprocessor 328# $(1) = output linker script 329# $(2) = input template 330# $(3) = BL stage (1, 2, 2u, 31, 32) 331define MAKE_LD 332 333$(eval DEP := $(1).d) 334$(eval BL_CPPFLAGS := $(BL$(call uppercase,$(3))_CPPFLAGS) -DIMAGE_BL$(call uppercase,$(3))) 335 336$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | bl$(3)_dirs 337 $$(ECHO) " PP $$<" 338 $$(Q)$$(CPP) $$(CPPFLAGS) $(BL_CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -o $$@ $$< 339 340-include $(DEP) 341 342endef 343 344# MAKE_LIB_OBJS builds both C and assembly source files 345# $(1) = output directory 346# $(2) = list of source files 347# $(3) = name of the library 348define MAKE_LIB_OBJS 349 $(eval C_OBJS := $(filter %.c,$(2))) 350 $(eval REMAIN := $(filter-out %.c,$(2))) 351 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3)))) 352 353 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 354 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 355 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3)))) 356 357 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 358endef 359 360 361# MAKE_OBJS builds both C and assembly source files 362# $(1) = output directory 363# $(2) = list of source files (both C and assembly) 364# $(3) = BL stage (1, 2, 2u, 31, 32) 365define MAKE_OBJS 366 $(eval C_OBJS := $(filter %.c,$(2))) 367 $(eval REMAIN := $(filter-out %.c,$(2))) 368 $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 369 370 $(eval S_OBJS := $(filter %.S,$(REMAIN))) 371 $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 372 $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 373 374 $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 375endef 376 377 378# NOTE: The line continuation '\' is required in the next define otherwise we 379# end up with a line-feed characer at the end of the last c filename. 380# Also bear this issue in mind if extending the list of supported filetypes. 381define SOURCES_TO_OBJS 382 $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 383 $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 384endef 385 386# Allow overriding the timestamp, for example for reproducible builds, or to 387# synchronize timestamps across multiple projects. 388# This must be set to a C string (including quotes where applicable). 389BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ 390 391.PHONY: libraries 392 393# MAKE_LIB_DIRS macro defines the target for the directory where 394# libraries are created 395define MAKE_LIB_DIRS 396 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 397 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 398 $(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper) 399 $(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT})) 400 $(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT})) 401 $(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT})) 402endef 403 404# MAKE_LIB macro defines the targets and options to build each BL image. 405# Arguments: 406# $(1) = Library name 407define MAKE_LIB 408 $(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1)) 409 $(eval LIB_DIR := ${BUILD_PLAT}/lib) 410 $(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib) 411 $(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS)) 412 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 413 414$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 415$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 416 417.PHONY : lib${1}_dirs 418lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR} 419libraries: ${LIB_DIR}/lib$(1).a 420ifneq ($(findstring armlink,$(notdir $(LD))),) 421LDPATHS = --userlibpath=${LIB_DIR} 422LDLIBS += --library=$(1) 423else 424LDPATHS = -L${LIB_DIR} 425LDLIBS += -l$(1) 426endif 427 428ifeq ($(USE_ROMLIB),1) 429LIBWRAPPER = -lwrappers 430endif 431 432all: ${LIB_DIR}/lib$(1).a 433 434${LIB_DIR}/lib$(1).a: $(OBJS) 435 $$(ECHO) " AR $$@" 436 $$(Q)$$(AR) cr $$@ $$? 437endef 438 439# MAKE_BL macro defines the targets and options to build each BL image. 440# Arguments: 441# $(1) = BL stage (1, 2, 2u, 31, 32) 442# $(2) = FIP command line option (if empty, image will not be included in the FIP) 443# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) 444# $(4) = BL encryption flag (optional) (0, 1) 445define MAKE_BL 446 $(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) 447 $(eval BL_SOURCES := $(BL$(call uppercase,$(1))_SOURCES)) 448 $(eval SOURCES := $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) 449 $(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) 450 $(eval LINKERFILE := $(call IMG_LINKERFILE,$(1))) 451 $(eval MAPFILE := $(call IMG_MAPFILE,$(1))) 452 $(eval ELF := $(call IMG_ELF,$(1))) 453 $(eval DUMP := $(call IMG_DUMP,$(1))) 454 $(eval BIN := $(call IMG_BIN,$(1))) 455 $(eval ENC_BIN := $(call IMG_ENC_BIN,$(1))) 456 $(eval BL_LINKERFILE := $(BL$(call uppercase,$(1))_LINKERFILE)) 457 $(eval BL_LIBS := $(BL$(call uppercase,$(1))_LIBS)) 458 # We use sort only to get a list of unique object directory names. 459 # ordering is not relevant but sort removes duplicates. 460 $(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${LINKERFILE}))) 461 # The $(dir ) function leaves a trailing / on the directory names 462 # Rip off the / to match directory names with make rule targets. 463 $(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS))) 464 465# Create generators for object directory structure 466 467$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT})) 468 469$(eval $(foreach objd,${OBJ_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 470 471.PHONY : bl${1}_dirs 472 473# We use order-only prerequisites to ensure that directories are created, 474# but do not cause re-builds every time a file is written. 475bl${1}_dirs: | ${OBJ_DIRS} 476 477$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) 478$(eval $(call MAKE_LD,$(LINKERFILE),$(BL_LINKERFILE),$(1))) 479$(eval BL_LDFLAGS := $(BL$(call uppercase,$(1))_LDFLAGS)) 480 481ifeq ($(USE_ROMLIB),1) 482$(ELF): romlib.bin 483endif 484 485$(ELF): $(OBJS) $(LINKERFILE) | bl$(1)_dirs libraries $(BL_LIBS) 486 $$(ECHO) " LD $$@" 487ifdef MAKE_BUILD_STRINGS 488 $(call MAKE_BUILD_STRINGS, $(BUILD_DIR)/build_message.o) 489else 490 @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \ 491 const char version_string[] = "${VERSION_STRING}";' | \ 492 $$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o 493endif 494ifneq ($(findstring armlink,$(notdir $(LD))),) 495 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=bl${1}_entrypoint \ 496 --predefine="-D__LINKER__=$(__LINKER__)" \ 497 --predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \ 498 --map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/bl${1}.scat \ 499 $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \ 500 $(BUILD_DIR)/build_message.o $(OBJS) 501else ifneq ($(findstring gcc,$(notdir $(LD))),) 502 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Wl,-Map=$(MAPFILE) \ 503 -Wl,-T$(LINKERFILE) $(BUILD_DIR)/build_message.o \ 504 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 505else 506 $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \ 507 --script $(LINKERFILE) $(BUILD_DIR)/build_message.o \ 508 $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) 509endif 510ifeq ($(DISABLE_BIN_GENERATION),1) 511 @${ECHO_BLANK_LINE} 512 @echo "Built $$@ successfully" 513 @${ECHO_BLANK_LINE} 514endif 515 516$(DUMP): $(ELF) 517 $${ECHO} " OD $$@" 518 $${Q}$${OD} -dx $$< > $$@ 519 520$(BIN): $(ELF) 521 $${ECHO} " BIN $$@" 522 $$(Q)$$(OC) -O binary $$< $$@ 523 @${ECHO_BLANK_LINE} 524 @echo "Built $$@ successfully" 525 @${ECHO_BLANK_LINE} 526 527.PHONY: bl$(1) 528ifeq ($(DISABLE_BIN_GENERATION),1) 529bl$(1): $(ELF) $(DUMP) 530else 531bl$(1): $(BIN) $(DUMP) 532endif 533 534all: bl$(1) 535 536ifeq ($(4),1) 537$(call ENCRYPT_FW,$(BIN),$(ENC_BIN)) 538$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,bl$(1),$(BIN),--$(2),$(ENC_BIN),$(3), \ 539 $(ENC_BIN))) 540else 541$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,bl$(1),$(BIN),--$(2),$(BIN),$(3))) 542endif 543 544endef 545 546# Convert device tree source file names to matching blobs 547# $(1) = input dts 548define SOURCES_TO_DTBS 549 $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) 550endef 551 552# MAKE_FDT_DIRS macro creates the prerequisite directories that host the 553# FDT binaries 554# $(1) = output directory 555# $(2) = input dts 556define MAKE_FDT_DIRS 557 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 558 $(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS}))) 559 # The $(dir ) function leaves a trailing / on the directory names 560 # Rip off the / to match directory names with make rule targets. 561 $(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS))) 562 563$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR}))) 564 565fdt_dirs: ${DTB_DIRS} 566endef 567 568# MAKE_DTB generate the Flattened device tree binary 569# $(1) = output directory 570# $(2) = input dts 571define MAKE_DTB 572 573# List of DTB file(s) to generate, based on DTS file basename list 574$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 575# List of the pre-compiled DTS file(s) 576$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) 577# Dependencies of the pre-compiled DTS file(s) on its source and included files 578$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) 579# Dependencies of the DT compilation on its pre-compiled DTS 580$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) 581 582$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs 583 $${ECHO} " CPP $$<" 584 $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) 585 $$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< 586 $${ECHO} " DTC $$<" 587 $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE) 588 589-include $(DTBDEP) 590-include $(DTSDEP) 591 592endef 593 594# MAKE_DTBS builds flattened device tree sources 595# $(1) = output directory 596# $(2) = list of flattened device tree source files 597define MAKE_DTBS 598 $(eval DOBJS := $(filter %.dts,$(2))) 599 $(eval REMAIN := $(filter-out %.dts,$(2))) 600 $(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN))) 601 $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) 602 603 $(eval $(call MAKE_FDT_DIRS,$(1),$(2))) 604 605dtbs: $(DTBS) 606all: dtbs 607endef 608