1# 2# (C) Copyright 2000-2013 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8VERSION = 2014 9PATCHLEVEL = 01 10SUBLEVEL = 11EXTRAVERSION = 12ifneq "$(SUBLEVEL)" "" 13U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 14else 15U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION) 16endif 17TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h 18VERSION_FILE = $(obj)include/generated/version_autogenerated.h 19 20HOSTARCH := $(shell uname -m | \ 21 sed -e s/i.86/x86/ \ 22 -e s/sun4u/sparc64/ \ 23 -e s/arm.*/arm/ \ 24 -e s/sa110/arm/ \ 25 -e s/ppc64/powerpc/ \ 26 -e s/ppc/powerpc/ \ 27 -e s/macppc/powerpc/\ 28 -e s/sh.*/sh/) 29 30HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 31 sed -e 's/\(cygwin\).*/cygwin/') 32 33export HOSTARCH HOSTOS 34 35# Deal with colliding definitions from tcsh etc. 36VENDOR= 37 38######################################################################### 39# Allow for silent builds 40ifeq (,$(findstring s,$(MAKEFLAGS))) 41XECHO = echo 42else 43XECHO = : 44endif 45 46######################################################################### 47# 48# U-boot build supports generating object files in a separate external 49# directory. Two use cases are supported: 50# 51# 1) Add O= to the make command line 52# 'make O=/tmp/build all' 53# 54# 2) Set environment variable BUILD_DIR to point to the desired location 55# 'export BUILD_DIR=/tmp/build' 56# 'make' 57# 58# The second approach can also be used with a MAKEALL script 59# 'export BUILD_DIR=/tmp/build' 60# './MAKEALL' 61# 62# Command line 'O=' setting overrides BUILD_DIR environment variable. 63# 64# When none of the above methods is used the local build is performed and 65# the object files are placed in the source directory. 66# 67 68ifeq ("$(origin O)", "command line") 69BUILD_DIR := $(O) 70endif 71 72# Call a source code checker (by default, "sparse") as part of the 73# C compilation. 74# 75# Use 'make C=1' to enable checking of re-compiled files. 76# 77# See the linux kernel file "Documentation/sparse.txt" for more details, 78# including where to get the "sparse" utility. 79 80ifdef C 81ifeq ("$(origin C)", "command line") 82CHECKSRC := $(C) 83endif 84endif 85ifndef CHECKSRC 86 CHECKSRC = 0 87endif 88export CHECKSRC 89 90ifneq ($(BUILD_DIR),) 91saved-output := $(BUILD_DIR) 92 93# Attempt to create a output directory. 94$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR}) 95 96# Verify if it was successful. 97BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) 98$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) 99endif # ifneq ($(BUILD_DIR),) 100 101OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) 102SPLTREE := $(OBJTREE)/spl 103TPLTREE := $(OBJTREE)/tpl 104SRCTREE := $(CURDIR) 105srctree := $(SRCTREE) 106TOPDIR := $(SRCTREE) 107LNDIR := $(OBJTREE) 108export TOPDIR SRCTREE srctree OBJTREE SPLTREE TPLTREE 109 110MKCONFIG := $(SRCTREE)/mkconfig 111export MKCONFIG 112 113# $(obj) and (src) are defined in config.mk but here in main Makefile 114# we also need them before config.mk is included which is the case for 115# some targets like unconfig, clean, clobber, distclean, etc. 116ifneq ($(OBJTREE),$(SRCTREE)) 117obj := $(OBJTREE)/ 118src := $(SRCTREE)/ 119else 120obj := 121src := 122endif 123export obj src 124 125# Make sure CDPATH settings don't interfere 126unexport CDPATH 127 128######################################################################### 129 130# The "tools" are needed early, so put this first 131# Don't include stuff already done in $(LIBS) 132# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 133# is "yes"), so compile examples after U-Boot is compiled. 134SUBDIR_TOOLS = tools 135SUBDIRS = $(SUBDIR_TOOLS) 136 137.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 138 139ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk)) 140 141# Include autoconf.mk before config.mk so that the config options are available 142# to all top level build files. We need the dummy all: target to prevent the 143# dependency target in autoconf.mk.dep from being the default. 144all: 145sinclude $(obj)include/autoconf.mk.dep 146sinclude $(obj)include/autoconf.mk 147 148SUBDIR_EXAMPLES-y := examples/standalone 149SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api 150ifndef CONFIG_SANDBOX 151SUBDIRS += $(SUBDIR_EXAMPLES-y) 152endif 153 154# load ARCH, BOARD, and CPU configuration 155include $(obj)include/config.mk 156export ARCH CPU BOARD VENDOR SOC 157 158# set default to nothing for native builds 159ifeq ($(HOSTARCH),$(ARCH)) 160CROSS_COMPILE ?= 161endif 162 163# SHELL used by kbuild 164CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 165 else if [ -x /bin/bash ]; then echo /bin/bash; \ 166 else echo sh; fi ; fi) 167 168HOSTCC = gcc 169HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 170 171ifeq ($(HOSTOS),cygwin) 172HOSTCFLAGS += -ansi 173endif 174 175# Mac OS X / Darwin's C preprocessor is Apple specific. It 176# generates numerous errors and warnings. We want to bypass it 177# and use GNU C's cpp. To do this we pass the -traditional-cpp 178# option to the compiler. Note that the -traditional-cpp flag 179# DOES NOT have the same semantics as GNU C's flag, all it does 180# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 181# 182# Apple's linker is similar, thanks to the new 2 stage linking 183# multiple symbol definitions are treated as errors, hence the 184# -multiply_defined suppress option to turn off this error. 185# 186ifeq ($(HOSTOS),darwin) 187# get major and minor product version (e.g. '10' and '6' for Snow Leopard) 188DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 189DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 190 191os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 192 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 193 194# Snow Leopards build environment has no longer restrictions as described above 195HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 196HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 197HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 198endif 199 200# We need some generic definitions (do not try to remake the file). 201$(srctree)/scripts/Kbuild.include: ; 202include $(srctree)/scripts/Kbuild.include 203 204# Make variables (CC, etc...) 205 206AS = $(CROSS_COMPILE)as 207# Always use GNU ld 208ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 209LD = $(CROSS_COMPILE)ld.bfd 210else 211LD = $(CROSS_COMPILE)ld 212endif 213CC = $(CROSS_COMPILE)gcc 214CPP = $(CC) -E 215AR = $(CROSS_COMPILE)ar 216NM = $(CROSS_COMPILE)nm 217LDR = $(CROSS_COMPILE)ldr 218STRIP = $(CROSS_COMPILE)strip 219OBJCOPY = $(CROSS_COMPILE)objcopy 220OBJDUMP = $(CROSS_COMPILE)objdump 221AWK = awk 222RANLIB = $(CROSS_COMPILE)RANLIB 223DTC = dtc 224CHECK = sparse 225 226CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 227 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 228 229KBUILD_CPPFLAGS := -D__KERNEL__ 230 231KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 232 -Wno-format-security \ 233 -fno-builtin -ffreestanding 234KBUILD_AFLAGS := -D__ASSEMBLY__ 235 236export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 237export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 238export MAKE AWK 239export DTC CHECK CHECKFLAGS 240 241export KBUILD_CPPFLAGS 242export KBUILD_CFLAGS KBUILD_AFLAGS 243 244KBUILD_CFLAGS += -Os #-fomit-frame-pointer 245 246ifdef BUILD_TAG 247KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 248endif 249 250KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 251 252KBUILD_CFLAGS += -g 253# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 254# option to the assembler. 255KBUILD_AFLAGS += -g 256 257# Report stack usage if supported 258KBUILD_CFLAGS += $(call cc-option,-fstack-usage) 259 260KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 261 262# turn jbsr into jsr for m68k 263ifeq ($(ARCH),m68k) 264ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 265KBUILD_AFLAGS += -Wa,-gstabs,-S 266endif 267endif 268 269# load other configuration 270include $(TOPDIR)/config.mk 271 272# Targets which don't build the source code 273NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig 274 275# Only do the generic board check when actually building, not configuring 276ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 277ifeq ($(findstring _config,$(MAKECMDGOALS)),) 278$(CHECK_GENERIC_BOARD) 279endif 280endif 281 282# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 283# that (or fail if absent). Otherwise, search for a linker script in a 284# standard location. 285 286LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 287 288ifndef LDSCRIPT 289 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 290 ifdef CONFIG_SYS_LDSCRIPT 291 # need to strip off double quotes 292 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 293 endif 294endif 295 296# If there is no specified link script, we look in a number of places for it 297ifndef LDSCRIPT 298 ifeq ($(CONFIG_NAND_U_BOOT),y) 299 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 300 ifeq ($(wildcard $(LDSCRIPT)),) 301 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 302 endif 303 endif 304 ifeq ($(wildcard $(LDSCRIPT)),) 305 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 306 endif 307 ifeq ($(wildcard $(LDSCRIPT)),) 308 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 309 endif 310 ifeq ($(wildcard $(LDSCRIPT)),) 311 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 312 # We don't expect a Makefile here 313 LDSCRIPT_MAKEFILE_DIR = 314 endif 315 ifeq ($(wildcard $(LDSCRIPT)),) 316$(error could not find linker script) 317 endif 318endif 319 320######################################################################### 321# U-Boot objects....order is important (i.e. start must be first) 322 323head-y := $(CPUDIR)/start.o 324head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 325head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 326 327OBJS := $(addprefix $(obj),$(head-y)) 328 329HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 330 331LIBS-y += lib/ 332LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 333LIBS-y += $(CPUDIR)/ 334ifdef SOC 335LIBS-y += $(CPUDIR)/$(SOC)/ 336endif 337LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 338LIBS-$(CONFIG_OF_EMBED) += dts/ 339LIBS-y += arch/$(ARCH)/lib/ 340LIBS-y += fs/ 341LIBS-y += net/ 342LIBS-y += disk/ 343LIBS-y += drivers/ 344LIBS-y += drivers/dma/ 345LIBS-y += drivers/gpio/ 346LIBS-y += drivers/i2c/ 347LIBS-y += drivers/input/ 348LIBS-y += drivers/mmc/ 349LIBS-y += drivers/mtd/ 350LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 351LIBS-y += drivers/mtd/onenand/ 352LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 353LIBS-y += drivers/mtd/spi/ 354LIBS-y += drivers/net/ 355LIBS-y += drivers/net/phy/ 356LIBS-y += drivers/pci/ 357LIBS-y += drivers/power/ \ 358 drivers/power/fuel_gauge/ \ 359 drivers/power/mfd/ \ 360 drivers/power/pmic/ \ 361 drivers/power/battery/ 362LIBS-y += drivers/spi/ 363LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 364LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 365LIBS-y += drivers/serial/ 366LIBS-y += drivers/usb/eth/ 367LIBS-y += drivers/usb/gadget/ 368LIBS-y += drivers/usb/host/ 369LIBS-y += drivers/usb/musb/ 370LIBS-y += drivers/usb/musb-new/ 371LIBS-y += drivers/usb/phy/ 372LIBS-y += drivers/usb/ulpi/ 373LIBS-y += common/ 374LIBS-y += lib/libfdt/ 375LIBS-$(CONFIG_API) += api/ 376LIBS-$(CONFIG_HAS_POST) += post/ 377LIBS-y += test/ 378 379ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 380LIBS-y += arch/$(ARCH)/imx-common/ 381endif 382 383LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 384LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 385 386LIBS-y += board/$(BOARDDIR)/ 387 388LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 389LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 390.PHONY : $(LIBS) 391 392# Add GCC lib 393ifdef USE_PRIVATE_LIBGCC 394ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 395PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 396else 397PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 398endif 399else 400PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 401endif 402PLATFORM_LIBS += $(PLATFORM_LIBGCC) 403export PLATFORM_LIBS 404 405# Special flags for CPP when processing the linker script. 406# Pass the version down so we can handle backwards compatibility 407# on the fly. 408LDPPFLAGS += \ 409 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 410 -DCPUDIR=$(CPUDIR) \ 411 $(shell $(LD) --version | \ 412 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 413 414__OBJS := $(subst $(obj),,$(OBJS)) 415__LIBS := $(subst $(obj),,$(LIBS)) 416 417######################################################################### 418######################################################################### 419 420ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 421BOARD_SIZE_CHECK = \ 422 @actual=`wc -c $@ | awk '{print $$1}'`; \ 423 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 424 if test $$actual -gt $$limit; then \ 425 echo "$@ exceeds file size limit:" >&2 ; \ 426 echo " limit: $$limit bytes" >&2 ; \ 427 echo " actual: $$actual bytes" >&2 ; \ 428 echo " excess: $$((actual - limit)) bytes" >&2; \ 429 exit 1; \ 430 fi 431else 432BOARD_SIZE_CHECK = 433endif 434 435# Statically apply RELA-style relocations (currently arm64 only) 436ifneq ($(CONFIG_STATIC_RELA),) 437# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 438DO_STATIC_RELA = \ 439 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 440 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 441 $(obj)tools/relocate-rela $(2) $(3) $$start $$end 442else 443DO_STATIC_RELA = 444endif 445 446# Always append ALL so that arch config.mk's can add custom ones 447ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 448 449ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 450ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 451ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 452ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 453ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 454ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 455ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 456ifneq ($(CONFIG_SPL_TARGET),) 457ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%) 458endif 459ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf 460 461# enable combined SPL/u-boot/dtb rules for tegra 462ifneq ($(CONFIG_TEGRA),) 463ifeq ($(CONFIG_SPL),y) 464ifeq ($(CONFIG_OF_SEPARATE),y) 465ALL-y += $(obj)u-boot-dtb-tegra.bin 466else 467ALL-y += $(obj)u-boot-nodtb-tegra.bin 468endif 469endif 470endif 471 472all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 473 474$(obj)u-boot.dtb: checkdtc $(obj)u-boot 475 $(MAKE) $(build) dts binary 476 mv $(obj)dts/dt.dtb $@ 477 478$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 479 cat $^ >$@ 480 481$(obj)u-boot.hex: $(obj)u-boot 482 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 483 484$(obj)u-boot.srec: $(obj)u-boot 485 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 486 487$(obj)u-boot.bin: $(obj)u-boot 488 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 489 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 490 $(BOARD_SIZE_CHECK) 491 492$(obj)u-boot.ldr: $(obj)u-boot 493 $(CREATE_LDR_ENV) 494 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 495 $(BOARD_SIZE_CHECK) 496 497$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 498 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 499 500$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 501 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 502 503# 504# U-Boot entry point, needed for booting of full-blown U-Boot 505# from the SPL U-Boot version. 506# 507ifndef CONFIG_SYS_UBOOT_START 508CONFIG_SYS_UBOOT_START := 0 509endif 510 511$(obj)u-boot.img: $(obj)u-boot.bin 512 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 513 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 514 -e $(CONFIG_SYS_UBOOT_START) \ 515 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 516 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 517 -d $< $@ 518 519$(obj)u-boot.imx: $(obj)u-boot.bin depend 520 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 521 522$(obj)u-boot.kwb: $(obj)u-boot.bin 523 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 524 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 525 526$(obj)u-boot.pbl: $(obj)u-boot.bin 527 $(obj)tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 528 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 529 -d $< $@ 530 531$(obj)u-boot.sha1: $(obj)u-boot.bin 532 $(obj)tools/ubsha1 $(obj)u-boot.bin 533 534$(obj)u-boot.dis: $(obj)u-boot 535 $(OBJDUMP) -d $< > $@ 536 537# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 538# $(4) is pad-to 539SPL_PAD_APPEND = \ 540 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 541 $(1) $(obj)$(3); \ 542 cat $(obj)$(3) $(2) > $@; \ 543 rm $(obj)$(3) 544 545ifdef CONFIG_TPL 546SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 547else 548SPL_PAYLOAD := $(obj)u-boot.bin 549endif 550 551$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 552 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 553 554$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 555 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 556 557$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 558 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 559 $(OBJTREE)/u-boot-with-spl.imx 560 561$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 562 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 563 $(OBJTREE)/u-boot-with-nand-spl.imx 564 565$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 566 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 567 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 568 569$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 570 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 571 -T aisimage \ 572 -e $(CONFIG_SPL_TEXT_BASE) \ 573 -d $(obj)spl/u-boot-spl.bin \ 574 $(obj)spl/u-boot-spl.ais 575 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 576 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 577 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 578 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 579 $(obj)u-boot.ais 580 581 582$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 583 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 584 585# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 586# Both images are created using mkimage (crc etc), so that the ROM 587# bootloader can check its integrity. Padding needs to be done to the 588# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 589# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 590# The resulting image containing both U-Boot images is called u-boot.spr 591$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 592 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 593 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 594 -d $(obj)spl/u-boot-spl.bin $@ 595 $(OBJCOPY) -I binary -O binary \ 596 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 597 cat $(obj)u-boot.img >> $@ 598 599ifneq ($(CONFIG_TEGRA),) 600$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 601 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 602 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 603 rm $(obj)spl/u-boot-spl-pad.bin 604 605ifeq ($(CONFIG_OF_SEPARATE),y) 606$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 607 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 608endif 609endif 610 611$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 612 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 613 614# PPC4xx needs the SPL at the end of the image, since the reset vector 615# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 616# and need to introduce a new build target with the full blown U-Boot 617# at the start padded up to the start of the SPL image. And then concat 618# the SPL image to the end. 619$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 620 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 621 --gap-fill=0xff $(obj)u-boot.img $@ 622 cat $(obj)spl/u-boot-spl.bin >> $@ 623 624# Create a new ELF from a raw binary file. This is useful for arm64 625# where static relocation needs to be performed on the raw binary, 626# but certain simulators only accept an ELF file (but don't do the 627# relocation). 628# FIXME refactor dts/Makefile to share target/arch detection 629$(obj)u-boot.elf: $(obj)u-boot.bin 630 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 631 $< $(obj)u-boot-elf.o 632 @$(LD) $(obj)u-boot-elf.o -o $@ \ 633 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 634 -Ttext=$(CONFIG_SYS_TEXT_BASE) 635 636ifeq ($(CONFIG_SANDBOX),y) 637GEN_UBOOT = \ 638 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 639 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 640 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 641else 642GEN_UBOOT = \ 643 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 644 $(__OBJS) \ 645 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 646 -Map u-boot.map -o u-boot 647endif 648 649$(obj)u-boot: depend \ 650 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds 651 $(GEN_UBOOT) 652ifeq ($(CONFIG_KALLSYMS),y) 653 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 654 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 655 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 656 -c common/system_map.c -o $(obj)common/system_map.o 657 $(GEN_UBOOT) $(obj)common/system_map.o 658endif 659 660$(OBJS): 661 @: 662 663$(LIBS): depend $(SUBDIR_TOOLS) 664 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 665 666$(SUBDIRS): depend 667 $(MAKE) $(build) $@ all 668 669$(SUBDIR_EXAMPLES-y): $(obj)u-boot 670 671$(obj)u-boot.lds: $(LDSCRIPT) depend 672 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 673 674nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 675 $(MAKE) $(build) nand_spl/board/$(BOARDDIR) all 676 677$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 678 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 679 680$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 681 $(MAKE) -C spl all 682 683$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 684 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 685 686# Explicitly make _depend in subdirs containing multiple targets to prevent 687# parallel sub-makes creating .depend files simultaneously. 688depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 689 $(obj)include/spl-autoconf.mk \ 690 $(obj)include/tpl-autoconf.mk \ 691 $(obj)include/autoconf.mk \ 692 $(obj)include/generated/generic-asm-offsets.h \ 693 $(obj)include/generated/asm-offsets.h 694 695TAG_SUBDIRS = $(SUBDIRS) 696TAG_SUBDIRS += $(dir $(__LIBS)) 697TAG_SUBDIRS += include 698 699FIND := find 700FINDFLAGS := -L 701 702checkstack: 703 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 704 `$(FIND) $(obj) -name u-boot-spl -print` | \ 705 perl $(src)scripts/checkstack.pl $(ARCH) 706 707tags ctags: 708 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 709 -name '*.[chS]' -print` 710 711etags: 712 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 713 -name '*.[chS]' -print` 714cscope: 715 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 716 cscope.files 717 cscope -b -q -k 718 719SYSTEM_MAP = \ 720 $(NM) $1 | \ 721 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 722 LC_ALL=C sort 723$(obj)System.map: $(obj)u-boot 724 @$(call SYSTEM_MAP,$<) > $@ 725 726checkthumb: 727 @if test $(call cc-version) -lt 0404; then \ 728 echo -n '*** Your GCC does not produce working '; \ 729 echo 'binaries in THUMB mode.'; \ 730 echo '*** Your board is configured for THUMB mode.'; \ 731 false; \ 732 fi 733 734# GCC 3.x is reported to have problems generating the type of relocation 735# that U-Boot wants. 736# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 737checkgcc4: 738 @if test $(call cc-version) -lt 0400; then \ 739 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 740 false; \ 741 fi 742 743checkdtc: 744 @if test $(call dtc-version) -lt 0104; then \ 745 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 746 false; \ 747 fi 748 749# 750# Auto-generate the autoconf.mk file (which is included by all makefiles) 751# 752# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 753# the dep file is only include in this top level makefile to determine when 754# to regenerate the autoconf.mk file. 755$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 756 @$(XECHO) Generating $@ ; \ 757 : Generate the dependancies ; \ 758 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 759 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \ 760 rm $@ 761 762$(obj)include/autoconf.mk: $(obj)include/config.h 763 @$(XECHO) Generating $@ ; \ 764 : Extract the config macros ; \ 765 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 766 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 767 rm $@.tmp 768 769# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 770$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 771 @$(XECHO) Generating $@ ; \ 772 : Extract the config macros ; \ 773 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 774 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 775 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 776 rm $@.tmp 777 778$(obj)include/spl-autoconf.mk: $(obj)include/config.h 779 @$(XECHO) Generating $@ ; \ 780 : Extract the config macros ; \ 781 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 782 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 783 rm $@.tmp 784 785$(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s 786 @$(XECHO) Generating $@ 787 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 788 789$(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c 790 @mkdir -p $(obj)lib 791 $(CC) -DDO_DEPS_ONLY \ 792 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 793 -o $@ $(src)lib/asm-offsets.c -c -S 794 795$(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 796 @$(XECHO) Generating $@ 797 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 798 799$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h 800 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 801 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 802 $(CC) -DDO_DEPS_ONLY \ 803 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 804 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 805 else \ 806 touch $@; \ 807 fi 808 809######################################################################### 810else # !config.mk 811all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 812$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 813$(filter-out tools,$(SUBDIRS)) \ 814depend dep tags ctags etags cscope $(obj)System.map: 815 @echo "System not configured - see README" >&2 816 @ exit 1 817 818tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 819 $(MAKE) $(build) $@ all 820endif # config.mk 821 822# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 823# R_AARCH64_RELATIVE (64-bit). 824checkarmreloc: $(obj)u-boot 825 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 826 grep R_A | sort -u`"; \ 827 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 828 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 829 echo "$< contains unexpected relocations: $$RELOC"; \ 830 false; \ 831 fi 832 833$(VERSION_FILE): 834 @mkdir -p $(dir $(VERSION_FILE)) 835 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 836 printf '#define PLAIN_VERSION "%s%s"\n' \ 837 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 838 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 839 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 840 ) > $@.tmp 841 @( printf '#define CC_VERSION_STRING "%s"\n' \ 842 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 843 @( printf '#define LD_VERSION_STRING "%s"\n' \ 844 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 845 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 846 847$(TIMESTAMP_FILE): 848 @mkdir -p $(dir $(TIMESTAMP_FILE)) 849 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 850 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 851 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 852 853easylogo env gdb: 854 $(MAKE) $(build) tools/$@ MTD_VERSION=${MTD_VERSION} 855 856gdbtools: gdb 857 858xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 859 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 860 861tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 862 $(MAKE) $(build) tools HOST_TOOLS_ALL=y 863 864.PHONY : CHANGELOG 865CHANGELOG: 866 git log --no-merges U-Boot-1_1_5.. | \ 867 unexpand -a | sed -e 's/\s\s*$$//' > $@ 868 869include/license.h: tools/bin2header COPYING 870 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 871######################################################################### 872 873unconfig: 874 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 875 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 876 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 877 $(obj)include/spl-autoconf.mk \ 878 $(obj)include/tpl-autoconf.mk 879 880%_config:: unconfig 881 @$(MKCONFIG) -A $(@:_config=) 882 883sinclude $(obj).boards.depend 884$(obj).boards.depend: boards.cfg 885 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 886 887######################################################################### 888######################################################################### 889 890clean: 891 @rm -f $(obj)examples/standalone/atmel_df_pow2 \ 892 $(obj)examples/standalone/hello_world \ 893 $(obj)examples/standalone/interrupt \ 894 $(obj)examples/standalone/mem_to_mem_idma2intr \ 895 $(obj)examples/standalone/sched \ 896 $(addprefix $(obj)examples/standalone/, smc91111_eeprom smc911x_eeprom) \ 897 $(obj)examples/standalone/test_burst \ 898 $(obj)examples/standalone/timer 899 @rm -f $(addprefix $(obj)examples/api/, demo demo.bin) 900 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 901 $(obj)tools/env/fw_printenv \ 902 $(obj)tools/envcrc \ 903 $(addprefix $(obj)tools/gdb/, gdbcont gdbsend) \ 904 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 905 $(obj)tools/dumpimage \ 906 $(addprefix $(obj)tools/, mkenvimage mkimage) \ 907 $(obj)tools/mpc86x_clk \ 908 $(addprefix $(obj)tools/, mk$(BOARD)spl mkexynosspl) \ 909 $(obj)tools/mxsboot \ 910 $(obj)tools/ncb $(obj)tools/ubsha1 \ 911 $(obj)tools/kernel-doc/docproc \ 912 $(obj)tools/proftool 913 @rm -f $(addprefix $(obj)board/cray/L1/, bootscript.c bootscript.image) \ 914 $(obj)board/matrix_vision/*/bootscript.img \ 915 $(obj)spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \ 916 $(obj)u-boot.lds \ 917 $(addprefix $(obj)arch/blackfin/cpu/, init.lds init.elf) 918 @rm -f $(obj)include/bmp_logo.h 919 @rm -f $(obj)include/bmp_logo_data.h 920 @rm -f $(obj)lib/asm-offsets.s 921 @rm -f $(obj)include/generated/asm-offsets.h 922 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 923 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 924 @$(MAKE) -s -C doc/DocBook/ cleandocs 925 @find $(OBJTREE) -type f \ 926 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 927 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 928 -o -name '*.cfgtmp' \) -print \ 929 | xargs rm -f 930 931# Removes everything not needed for testing u-boot 932tidy: clean 933 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 934 935clobber: tidy 936 @find $(OBJTREE) -type f \( -name '*.srec' \ 937 -o -name '*.bin' -o -name u-boot.img \) \ 938 -print0 | xargs -0 rm -f 939 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 940 $(obj)cscope.* $(obj)*.*~ 941 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 942 @rm -f $(obj)u-boot.kwb 943 @rm -f $(obj)u-boot.pbl 944 @rm -f $(obj)u-boot.imx 945 @rm -f $(obj)u-boot-with-spl.imx 946 @rm -f $(obj)u-boot-with-nand-spl.imx 947 @rm -f $(obj)u-boot.ubl 948 @rm -f $(obj)u-boot.ais 949 @rm -f $(obj)u-boot.dtb 950 @rm -f $(obj)u-boot.sb 951 @rm -f $(obj)u-boot.spr 952 @rm -f $(addprefix $(obj)nand_spl/, u-boot.lds u-boot.lst System.map) 953 @rm -f $(addprefix $(obj)nand_spl/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map) 954 @rm -f $(addprefix $(obj)spl/, u-boot-spl u-boot-spl.bin u-boot-spl.map) 955 @rm -f $(obj)spl/u-boot-spl.lds 956 @rm -f $(addprefix $(obj)tpl/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map) 957 @rm -f $(obj)tpl/u-boot-spl.lds 958 @rm -f $(obj)MLO MLO.byteswap 959 @rm -f $(obj)SPL 960 @rm -f $(obj)tools/xway-swap-bytes 961 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 962 @rm -fr $(obj)include/generated 963 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 964 @rm -f $(obj)dts/*.tmp 965 @rm -f $(addprefix $(obj)spl/, u-boot-spl.ais, u-boot-spl-pad.ais) 966 967mrproper \ 968distclean: clobber unconfig 969ifneq ($(OBJTREE),$(SRCTREE)) 970 rm -rf $(obj)* 971endif 972 973backup: 974 F=`basename $(TOPDIR)` ; cd .. ; \ 975 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 976 977######################################################################### 978