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__ $(CF) 228 229# Use UBOOTINCLUDE when you must reference the include/ directory. 230# Needed to be compatible with the O= option 231UBOOTINCLUDE := 232ifneq ($(OBJTREE),$(SRCTREE)) 233UBOOTINCLUDE += -I$(OBJTREE)/include 234endif 235UBOOTINCLUDE += -I$(srctree)/include \ 236 -I$(srctree)/arch/$(ARCH)/include 237 238KBUILD_CPPFLAGS := -D__KERNEL__ 239 240KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 241 -Wno-format-security \ 242 -fno-builtin -ffreestanding 243KBUILD_AFLAGS := -D__ASSEMBLY__ 244 245export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 246export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 247export MAKE AWK 248export DTC CHECK CHECKFLAGS 249 250export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE 251export KBUILD_CFLAGS KBUILD_AFLAGS 252 253KBUILD_CFLAGS += -Os #-fomit-frame-pointer 254 255ifdef BUILD_TAG 256KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 257endif 258 259KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 260 261KBUILD_CFLAGS += -g 262# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 263# option to the assembler. 264KBUILD_AFLAGS += -g 265 266NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 267CHECKFLAGS += $(NOSTDINC_FLAGS) 268 269# Report stack usage if supported 270KBUILD_CFLAGS += $(call cc-option,-fstack-usage) 271 272KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 273 274# turn jbsr into jsr for m68k 275ifeq ($(ARCH),m68k) 276ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 277KBUILD_AFLAGS += -Wa,-gstabs,-S 278endif 279endif 280 281# load other configuration 282include $(TOPDIR)/config.mk 283 284# Targets which don't build the source code 285NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig 286 287# Only do the generic board check when actually building, not configuring 288ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),) 289ifeq ($(findstring _config,$(MAKECMDGOALS)),) 290$(CHECK_GENERIC_BOARD) 291endif 292endif 293 294# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 295# that (or fail if absent). Otherwise, search for a linker script in a 296# standard location. 297 298LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 299 300ifndef LDSCRIPT 301 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug 302 ifdef CONFIG_SYS_LDSCRIPT 303 # need to strip off double quotes 304 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%) 305 endif 306endif 307 308# If there is no specified link script, we look in a number of places for it 309ifndef LDSCRIPT 310 ifeq ($(CONFIG_NAND_U_BOOT),y) 311 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds 312 ifeq ($(wildcard $(LDSCRIPT)),) 313 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds 314 endif 315 endif 316 ifeq ($(wildcard $(LDSCRIPT)),) 317 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds 318 endif 319 ifeq ($(wildcard $(LDSCRIPT)),) 320 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds 321 endif 322 ifeq ($(wildcard $(LDSCRIPT)),) 323 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds 324 # We don't expect a Makefile here 325 LDSCRIPT_MAKEFILE_DIR = 326 endif 327 ifeq ($(wildcard $(LDSCRIPT)),) 328$(error could not find linker script) 329 endif 330endif 331 332######################################################################### 333# U-Boot objects....order is important (i.e. start must be first) 334 335head-y := $(CPUDIR)/start.o 336head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o 337head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o 338 339OBJS := $(addprefix $(obj),$(head-y)) 340 341HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) 342 343LIBS-y += lib/ 344LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 345LIBS-y += $(CPUDIR)/ 346ifdef SOC 347LIBS-y += $(CPUDIR)/$(SOC)/ 348endif 349LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/ 350LIBS-$(CONFIG_OF_EMBED) += dts/ 351LIBS-y += arch/$(ARCH)/lib/ 352LIBS-y += fs/ 353LIBS-y += net/ 354LIBS-y += disk/ 355LIBS-y += drivers/ 356LIBS-y += drivers/dma/ 357LIBS-y += drivers/gpio/ 358LIBS-y += drivers/i2c/ 359LIBS-y += drivers/input/ 360LIBS-y += drivers/mmc/ 361LIBS-y += drivers/mtd/ 362LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 363LIBS-y += drivers/mtd/onenand/ 364LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 365LIBS-y += drivers/mtd/spi/ 366LIBS-y += drivers/net/ 367LIBS-y += drivers/net/phy/ 368LIBS-y += drivers/pci/ 369LIBS-y += drivers/power/ \ 370 drivers/power/fuel_gauge/ \ 371 drivers/power/mfd/ \ 372 drivers/power/pmic/ \ 373 drivers/power/battery/ 374LIBS-y += drivers/spi/ 375LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 376LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 377LIBS-y += drivers/serial/ 378LIBS-y += drivers/usb/eth/ 379LIBS-y += drivers/usb/gadget/ 380LIBS-y += drivers/usb/host/ 381LIBS-y += drivers/usb/musb/ 382LIBS-y += drivers/usb/musb-new/ 383LIBS-y += drivers/usb/phy/ 384LIBS-y += drivers/usb/ulpi/ 385LIBS-y += common/ 386LIBS-y += lib/libfdt/ 387LIBS-$(CONFIG_API) += api/ 388LIBS-$(CONFIG_HAS_POST) += post/ 389LIBS-y += test/ 390 391ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) 392LIBS-y += arch/$(ARCH)/imx-common/ 393endif 394 395LIBS-$(CONFIG_ARM) += arch/arm/cpu/ 396LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/ 397 398LIBS-y += board/$(BOARDDIR)/ 399 400LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y)) 401LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) 402.PHONY : $(LIBS) 403 404# Add GCC lib 405ifdef USE_PRIVATE_LIBGCC 406ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 407PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 408else 409PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 410endif 411else 412PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 413endif 414PLATFORM_LIBS += $(PLATFORM_LIBGCC) 415export PLATFORM_LIBS 416 417# Special flags for CPP when processing the linker script. 418# Pass the version down so we can handle backwards compatibility 419# on the fly. 420LDPPFLAGS += \ 421 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 422 -DCPUDIR=$(CPUDIR) \ 423 $(shell $(LD) --version | \ 424 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 425 426__OBJS := $(subst $(obj),,$(OBJS)) 427__LIBS := $(subst $(obj),,$(LIBS)) 428 429######################################################################### 430######################################################################### 431 432ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 433BOARD_SIZE_CHECK = \ 434 @actual=`wc -c $@ | awk '{print $$1}'`; \ 435 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 436 if test $$actual -gt $$limit; then \ 437 echo "$@ exceeds file size limit:" >&2 ; \ 438 echo " limit: $$limit bytes" >&2 ; \ 439 echo " actual: $$actual bytes" >&2 ; \ 440 echo " excess: $$((actual - limit)) bytes" >&2; \ 441 exit 1; \ 442 fi 443else 444BOARD_SIZE_CHECK = 445endif 446 447# Statically apply RELA-style relocations (currently arm64 only) 448ifneq ($(CONFIG_STATIC_RELA),) 449# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 450DO_STATIC_RELA = \ 451 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 452 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 453 $(obj)tools/relocate-rela $(2) $(3) $$start $$end 454else 455DO_STATIC_RELA = 456endif 457 458# Always append ALL so that arch config.mk's can add custom ones 459ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 460 461ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 462ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 463ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl 464ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 465ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img 466ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin 467ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 468ifneq ($(CONFIG_SPL_TARGET),) 469ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%) 470endif 471ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf 472 473# enable combined SPL/u-boot/dtb rules for tegra 474ifneq ($(CONFIG_TEGRA),) 475ifeq ($(CONFIG_SPL),y) 476ifeq ($(CONFIG_OF_SEPARATE),y) 477ALL-y += $(obj)u-boot-dtb-tegra.bin 478else 479ALL-y += $(obj)u-boot-nodtb-tegra.bin 480endif 481endif 482endif 483 484all: $(ALL-y) $(SUBDIR_EXAMPLES-y) 485 486$(obj)u-boot.dtb: checkdtc $(obj)u-boot 487 $(MAKE) $(build) dts binary 488 mv $(obj)dts/dt.dtb $@ 489 490$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 491 cat $^ >$@ 492 493$(obj)u-boot.hex: $(obj)u-boot 494 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 495 496$(obj)u-boot.srec: $(obj)u-boot 497 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ 498 499$(obj)u-boot.bin: $(obj)u-boot 500 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 501 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 502 $(BOARD_SIZE_CHECK) 503 504$(obj)u-boot.ldr: $(obj)u-boot 505 $(CREATE_LDR_ENV) 506 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 507 $(BOARD_SIZE_CHECK) 508 509$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 510 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 511 512$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 513 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 514 515# 516# U-Boot entry point, needed for booting of full-blown U-Boot 517# from the SPL U-Boot version. 518# 519ifndef CONFIG_SYS_UBOOT_START 520CONFIG_SYS_UBOOT_START := 0 521endif 522 523$(obj)u-boot.img: $(obj)u-boot.bin 524 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 525 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \ 526 -e $(CONFIG_SYS_UBOOT_START) \ 527 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 528 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 529 -d $< $@ 530 531$(obj)u-boot.imx: $(obj)u-boot.bin depend 532 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx 533 534$(obj)u-boot.kwb: $(obj)u-boot.bin 535 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 536 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 537 538$(obj)u-boot.pbl: $(obj)u-boot.bin 539 $(obj)tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \ 540 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \ 541 -d $< $@ 542 543$(obj)u-boot.sha1: $(obj)u-boot.bin 544 $(obj)tools/ubsha1 $(obj)u-boot.bin 545 546$(obj)u-boot.dis: $(obj)u-boot 547 $(OBJDUMP) -d $< > $@ 548 549# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate, 550# $(4) is pad-to 551SPL_PAD_APPEND = \ 552 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \ 553 $(1) $(obj)$(3); \ 554 cat $(obj)$(3) $(2) > $@; \ 555 rm $(obj)$(3) 556 557ifdef CONFIG_TPL 558SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin 559else 560SPL_PAYLOAD := $(obj)u-boot.bin 561endif 562 563$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD) 564 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO)) 565 566$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin 567 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO)) 568 569$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 570 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 571 $(OBJTREE)/u-boot-with-spl.imx 572 573$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 574 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \ 575 $(OBJTREE)/u-boot-with-nand-spl.imx 576 577$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin 578 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 579 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl 580 581$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 582 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \ 583 -T aisimage \ 584 -e $(CONFIG_SPL_TEXT_BASE) \ 585 -d $(obj)spl/u-boot-spl.bin \ 586 $(obj)spl/u-boot-spl.ais 587 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 588 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 589 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 590 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \ 591 $(obj)u-boot.ais 592 593 594$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 595 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb 596 597# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 598# Both images are created using mkimage (crc etc), so that the ROM 599# bootloader can check its integrity. Padding needs to be done to the 600# SPL image (with mkimage header) and not the binary. Otherwise the resulting image 601# which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 602# The resulting image containing both U-Boot images is called u-boot.spr 603$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin 604 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 605 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \ 606 -d $(obj)spl/u-boot-spl.bin $@ 607 $(OBJCOPY) -I binary -O binary \ 608 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ 609 cat $(obj)u-boot.img >> $@ 610 611ifneq ($(CONFIG_TEGRA),) 612$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 613 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 614 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@ 615 rm $(obj)spl/u-boot-spl-pad.bin 616 617ifeq ($(CONFIG_OF_SEPARATE),y) 618$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb 619 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@ 620endif 621endif 622 623$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 624 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@ 625 626# PPC4xx needs the SPL at the end of the image, since the reset vector 627# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 628# and need to introduce a new build target with the full blown U-Boot 629# at the start padded up to the start of the SPL image. And then concat 630# the SPL image to the end. 631$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img 632 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \ 633 --gap-fill=0xff $(obj)u-boot.img $@ 634 cat $(obj)spl/u-boot-spl.bin >> $@ 635 636# Create a new ELF from a raw binary file. This is useful for arm64 637# where static relocation needs to be performed on the raw binary, 638# but certain simulators only accept an ELF file (but don't do the 639# relocation). 640# FIXME refactor dts/Makefile to share target/arch detection 641$(obj)u-boot.elf: $(obj)u-boot.bin 642 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 643 $< $(obj)u-boot-elf.o 644 @$(LD) $(obj)u-boot-elf.o -o $@ \ 645 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 646 -Ttext=$(CONFIG_SYS_TEXT_BASE) 647 648ifeq ($(CONFIG_SANDBOX),y) 649GEN_UBOOT = \ 650 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 651 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 652 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 653else 654GEN_UBOOT = \ 655 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 656 $(__OBJS) \ 657 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 658 -Map u-boot.map -o u-boot 659endif 660 661$(obj)u-boot: depend \ 662 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds 663 $(GEN_UBOOT) 664ifeq ($(CONFIG_KALLSYMS),y) 665 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \ 666 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 667 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 668 -c common/system_map.c -o $(obj)common/system_map.o 669 $(GEN_UBOOT) $(obj)common/system_map.o 670endif 671 672$(OBJS): 673 @: 674 675$(LIBS): depend $(SUBDIR_TOOLS) 676 $(MAKE) $(build) $(dir $(subst $(obj),,$@)) 677 678$(SUBDIRS): depend 679 $(MAKE) $(build) $@ all 680 681$(SUBDIR_EXAMPLES-y): $(obj)u-boot 682 683$(obj)u-boot.lds: $(LDSCRIPT) depend 684 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ 685 686nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 687 $(MAKE) $(build) nand_spl/board/$(BOARDDIR) all 688 689$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 690 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 691 692$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 693 $(MAKE) -C spl all 694 695$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend 696 $(MAKE) -C spl all CONFIG_TPL_BUILD=y 697 698# Explicitly make _depend in subdirs containing multiple targets to prevent 699# parallel sub-makes creating .depend files simultaneously. 700depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 701 $(obj)include/spl-autoconf.mk \ 702 $(obj)include/tpl-autoconf.mk \ 703 $(obj)include/autoconf.mk \ 704 $(obj)include/generated/generic-asm-offsets.h \ 705 $(obj)include/generated/asm-offsets.h 706 707TAG_SUBDIRS = $(SUBDIRS) 708TAG_SUBDIRS += $(dir $(__LIBS)) 709TAG_SUBDIRS += include 710 711FIND := find 712FINDFLAGS := -L 713 714checkstack: 715 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 716 `$(FIND) $(obj) -name u-boot-spl -print` | \ 717 perl $(src)scripts/checkstack.pl $(ARCH) 718 719tags ctags: 720 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 721 -name '*.[chS]' -print` 722 723etags: 724 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 725 -name '*.[chS]' -print` 726cscope: 727 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 728 cscope.files 729 cscope -b -q -k 730 731SYSTEM_MAP = \ 732 $(NM) $1 | \ 733 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 734 LC_ALL=C sort 735$(obj)System.map: $(obj)u-boot 736 @$(call SYSTEM_MAP,$<) > $@ 737 738checkthumb: 739 @if test $(call cc-version) -lt 0404; then \ 740 echo -n '*** Your GCC does not produce working '; \ 741 echo 'binaries in THUMB mode.'; \ 742 echo '*** Your board is configured for THUMB mode.'; \ 743 false; \ 744 fi 745 746# GCC 3.x is reported to have problems generating the type of relocation 747# that U-Boot wants. 748# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html 749checkgcc4: 750 @if test $(call cc-version) -lt 0400; then \ 751 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ 752 false; \ 753 fi 754 755checkdtc: 756 @if test $(call dtc-version) -lt 0104; then \ 757 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 758 false; \ 759 fi 760 761# 762# Auto-generate the autoconf.mk file (which is included by all makefiles) 763# 764# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 765# the dep file is only include in this top level makefile to determine when 766# to regenerate the autoconf.mk file. 767$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 768 @$(XECHO) Generating $@ ; \ 769 : Generate the dependancies ; \ 770 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 771 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \ 772 rm $@ 773 774$(obj)include/autoconf.mk: $(obj)include/config.h 775 @$(XECHO) Generating $@ ; \ 776 : Extract the config macros ; \ 777 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 778 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 779 rm $@.tmp 780 781# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) 782$(obj)include/tpl-autoconf.mk: $(obj)include/config.h 783 @$(XECHO) Generating $@ ; \ 784 : Extract the config macros ; \ 785 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ 786 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 787 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 788 rm $@.tmp 789 790$(obj)include/spl-autoconf.mk: $(obj)include/config.h 791 @$(XECHO) Generating $@ ; \ 792 : Extract the config macros ; \ 793 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \ 794 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \ 795 rm $@.tmp 796 797$(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s 798 @$(XECHO) Generating $@ 799 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 800 801$(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c 802 @mkdir -p $(obj)lib 803 $(CC) -DDO_DEPS_ONLY \ 804 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 805 -o $@ $(src)lib/asm-offsets.c -c -S 806 807$(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 808 @$(XECHO) Generating $@ 809 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 810 811$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h 812 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 813 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 814 $(CC) -DDO_DEPS_ONLY \ 815 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 816 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 817 else \ 818 touch $@; \ 819 fi 820 821######################################################################### 822else # !config.mk 823all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 824$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 825$(filter-out tools,$(SUBDIRS)) \ 826depend dep tags ctags etags cscope $(obj)System.map: 827 @echo "System not configured - see README" >&2 828 @ exit 1 829 830tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 831 $(MAKE) $(build) $@ all 832endif # config.mk 833 834# ARM relocations should all be R_ARM_RELATIVE (32-bit) or 835# R_AARCH64_RELATIVE (64-bit). 836checkarmreloc: $(obj)u-boot 837 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 838 grep R_A | sort -u`"; \ 839 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 840 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 841 echo "$< contains unexpected relocations: $$RELOC"; \ 842 false; \ 843 fi 844 845$(VERSION_FILE): 846 @mkdir -p $(dir $(VERSION_FILE)) 847 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \ 848 printf '#define PLAIN_VERSION "%s%s"\n' \ 849 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 850 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 851 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 852 ) > $@.tmp 853 @( printf '#define CC_VERSION_STRING "%s"\n' \ 854 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 855 @( printf '#define LD_VERSION_STRING "%s"\n' \ 856 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 857 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 858 859$(TIMESTAMP_FILE): 860 @mkdir -p $(dir $(TIMESTAMP_FILE)) 861 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 862 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 863 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 864 865easylogo env gdb: 866 $(MAKE) $(build) tools/$@ MTD_VERSION=${MTD_VERSION} 867 868gdbtools: gdb 869 870xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc 871 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@ 872 873tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 874 $(MAKE) $(build) tools HOST_TOOLS_ALL=y 875 876.PHONY : CHANGELOG 877CHANGELOG: 878 git log --no-merges U-Boot-1_1_5.. | \ 879 unexpand -a | sed -e 's/\s\s*$$//' > $@ 880 881include/license.h: tools/bin2header COPYING 882 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 883######################################################################### 884 885unconfig: 886 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 887 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 888 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \ 889 $(obj)include/spl-autoconf.mk \ 890 $(obj)include/tpl-autoconf.mk 891 892%_config:: unconfig 893 @$(MKCONFIG) -A $(@:_config=) 894 895sinclude $(obj).boards.depend 896$(obj).boards.depend: boards.cfg 897 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@ 898 899######################################################################### 900######################################################################### 901 902clean: 903 @rm -f $(obj)examples/standalone/atmel_df_pow2 \ 904 $(obj)examples/standalone/hello_world \ 905 $(obj)examples/standalone/interrupt \ 906 $(obj)examples/standalone/mem_to_mem_idma2intr \ 907 $(obj)examples/standalone/sched \ 908 $(addprefix $(obj)examples/standalone/, smc91111_eeprom smc911x_eeprom) \ 909 $(obj)examples/standalone/test_burst \ 910 $(obj)examples/standalone/timer 911 @rm -f $(addprefix $(obj)examples/api/, demo demo.bin) 912 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 913 $(obj)tools/env/fw_printenv \ 914 $(obj)tools/envcrc \ 915 $(addprefix $(obj)tools/gdb/, gdbcont gdbsend) \ 916 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 917 $(obj)tools/dumpimage \ 918 $(addprefix $(obj)tools/, mkenvimage mkimage) \ 919 $(obj)tools/mpc86x_clk \ 920 $(addprefix $(obj)tools/, mk$(BOARD)spl mkexynosspl) \ 921 $(obj)tools/mxsboot \ 922 $(obj)tools/ncb $(obj)tools/ubsha1 \ 923 $(obj)tools/kernel-doc/docproc \ 924 $(obj)tools/proftool 925 @rm -f $(addprefix $(obj)board/cray/L1/, bootscript.c bootscript.image) \ 926 $(obj)board/matrix_vision/*/bootscript.img \ 927 $(obj)spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \ 928 $(obj)u-boot.lds \ 929 $(addprefix $(obj)arch/blackfin/cpu/, init.lds init.elf) 930 @rm -f $(obj)include/bmp_logo.h 931 @rm -f $(obj)include/bmp_logo_data.h 932 @rm -f $(obj)lib/asm-offsets.s 933 @rm -f $(obj)include/generated/asm-offsets.h 934 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 935 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 936 @$(MAKE) -s -C doc/DocBook/ cleandocs 937 @find $(OBJTREE) -type f \ 938 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 939 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \ 940 -o -name '*.cfgtmp' \) -print \ 941 | xargs rm -f 942 943# Removes everything not needed for testing u-boot 944tidy: clean 945 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 946 947clobber: tidy 948 @find $(OBJTREE) -type f \( -name '*.srec' \ 949 -o -name '*.bin' -o -name u-boot.img \) \ 950 -print0 | xargs -0 rm -f 951 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 952 $(obj)cscope.* $(obj)*.*~ 953 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 954 @rm -f $(obj)u-boot.kwb 955 @rm -f $(obj)u-boot.pbl 956 @rm -f $(obj)u-boot.imx 957 @rm -f $(obj)u-boot-with-spl.imx 958 @rm -f $(obj)u-boot-with-nand-spl.imx 959 @rm -f $(obj)u-boot.ubl 960 @rm -f $(obj)u-boot.ais 961 @rm -f $(obj)u-boot.dtb 962 @rm -f $(obj)u-boot.sb 963 @rm -f $(obj)u-boot.spr 964 @rm -f $(addprefix $(obj)nand_spl/, u-boot.lds u-boot.lst System.map) 965 @rm -f $(addprefix $(obj)nand_spl/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map) 966 @rm -f $(addprefix $(obj)spl/, u-boot-spl u-boot-spl.bin u-boot-spl.map) 967 @rm -f $(obj)spl/u-boot-spl.lds 968 @rm -f $(addprefix $(obj)tpl/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map) 969 @rm -f $(obj)tpl/u-boot-spl.lds 970 @rm -f $(obj)MLO MLO.byteswap 971 @rm -f $(obj)SPL 972 @rm -f $(obj)tools/xway-swap-bytes 973 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 974 @rm -fr $(obj)include/generated 975 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 976 @rm -f $(obj)dts/*.tmp 977 @rm -f $(addprefix $(obj)spl/, u-boot-spl.ais, u-boot-spl-pad.ais) 978 979mrproper \ 980distclean: clobber unconfig 981ifneq ($(OBJTREE),$(SRCTREE)) 982 rm -rf $(obj)* 983endif 984 985backup: 986 F=`basename $(TOPDIR)` ; cd .. ; \ 987 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 988 989######################################################################### 990