Makefile

   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
   8 VERSION = 2013
   9 PATCHLEVEL = 10
  10 SUBLEVEL =
  11 EXTRAVERSION =
  12 ifneq "$(SUBLEVEL)" ""
  13 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
  14 else
  15 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
  16 endif
  17 TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h
  18 VERSION_FILE = $(obj)include/generated/version_autogenerated.h
  19
  20 HOSTARCH := $(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
  30 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
  31             sed -e 's/\(cygwin\).*/cygwin/')
  32
  33 export  HOSTARCH HOSTOS
  34
  35 # Deal with colliding definitions from tcsh etc.
  36 VENDOR=
  37
  38 #########################################################################
  39 # Allow for silent builds
  40 ifeq (,$(findstring s,$(MAKEFLAGS)))
  41 XECHO = echo
  42 else
  43 XECHO = :
  44 endif
  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
  68 ifdef O
  69 ifeq ("$(origin O)", "command line")
  70 BUILD_DIR := $(O)
  71 endif
  72 endif
  73
  74 # Call a source code checker (by default, "sparse") as part of the
  75 # C compilation.
  76 #
  77 # Use 'make C=1' to enable checking of re-compiled files.
  78 #
  79 # See the linux kernel file "Documentation/sparse.txt" for more details,
  80 # including where to get the "sparse" utility.
  81
  82 ifdef C
  83 ifeq ("$(origin C)", "command line")
  84 CHECKSRC := $(C)
  85 endif
  86 endif
  87 ifndef CHECKSRC
  88   CHECKSRC = 0
  89 endif
  90 export CHECKSRC
  91
  92 ifneq ($(BUILD_DIR),)
  93 saved-output := $(BUILD_DIR)
  94
  95 # Attempt to create a output directory.
  96 $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
  97
  98 # Verify if it was successful.
  99 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
 100 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
 101 endif # ifneq ($(BUILD_DIR),)
 102
 103 OBJTREE         := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
 104 SPLTREE         := $(OBJTREE)/spl
 105 TPLTREE         := $(OBJTREE)/tpl
 106 SRCTREE         := $(CURDIR)
 107 TOPDIR          := $(SRCTREE)
 108 LNDIR           := $(OBJTREE)
 109 export  TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
 110
 111 MKCONFIG        := $(SRCTREE)/mkconfig
 112 export MKCONFIG
 113
 114 ifneq ($(OBJTREE),$(SRCTREE))
 115 REMOTE_BUILD    := 1
 116 export REMOTE_BUILD
 117 endif
 118
 119 # $(obj) and (src) are defined in config.mk but here in main Makefile
 120 # we also need them before config.mk is included which is the case for
 121 # some targets like unconfig, clean, clobber, distclean, etc.
 122 ifneq ($(OBJTREE),$(SRCTREE))
 123 obj := $(OBJTREE)/
 124 src := $(SRCTREE)/
 125 else
 126 obj :=
 127 src :=
 128 endif
 129 export obj src
 130
 131 # Make sure CDPATH settings don't interfere
 132 unexport CDPATH
 133
 134 #########################################################################
 135
 136 # The "tools" are needed early, so put this first
 137 # Don't include stuff already done in $(LIBS)
 138 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
 139 # is "yes"), so compile examples after U-Boot is compiled.
 140 SUBDIR_TOOLS = tools
 141 SUBDIR_EXAMPLES = examples/standalone examples/api
 142 SUBDIRS = $(SUBDIR_TOOLS)
 143
 144 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
 145
 146 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
 147
 148 # Include autoconf.mk before config.mk so that the config options are available
 149 # to all top level build files.  We need the dummy all: target to prevent the
 150 # dependency target in autoconf.mk.dep from being the default.
 151 all:
 152 sinclude $(obj)include/autoconf.mk.dep
 153 sinclude $(obj)include/autoconf.mk
 154
 155 ifndef CONFIG_SANDBOX
 156 SUBDIRS += $(SUBDIR_EXAMPLES)
 157 endif
 158
 159 # load ARCH, BOARD, and CPU configuration
 160 include $(obj)include/config.mk
 161 export  ARCH CPU BOARD VENDOR SOC
 162
 163 # set default to nothing for native builds
 164 ifeq ($(HOSTARCH),$(ARCH))
 165 CROSS_COMPILE ?=
 166 endif
 167
 168 # load other configuration
 169 include $(TOPDIR)/config.mk
 170
 171 # Targets which don't build the source code
 172 NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig
 173
 174 # Only do the generic board check when actually building, not configuring
 175 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
 176 ifeq ($(findstring _config,$(MAKECMDGOALS)),)
 177 $(CHECK_GENERIC_BOARD)
 178 endif
 179 endif
 180
 181 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 182 # that (or fail if absent).  Otherwise, search for a linker script in a
 183 # standard location.
 184
 185 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
 186
 187 ifndef LDSCRIPT
 188         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
 189         ifdef CONFIG_SYS_LDSCRIPT
 190                 # need to strip off double quotes
 191                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
 192         endif
 193 endif
 194
 195 # If there is no specified link script, we look in a number of places for it
 196 ifndef LDSCRIPT
 197         ifeq ($(CONFIG_NAND_U_BOOT),y)
 198                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
 199                 ifeq ($(wildcard $(LDSCRIPT)),)
 200                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 201                 endif
 202         endif
 203         ifeq ($(wildcard $(LDSCRIPT)),)
 204                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
 205         endif
 206         ifeq ($(wildcard $(LDSCRIPT)),)
 207                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
 208         endif
 209         ifeq ($(wildcard $(LDSCRIPT)),)
 210                 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
 211                 # We don't expect a Makefile here
 212                 LDSCRIPT_MAKEFILE_DIR =
 213         endif
 214         ifeq ($(wildcard $(LDSCRIPT)),)
 215 $(error could not find linker script)
 216         endif
 217 endif
 218
 219 #########################################################################
 220 # U-Boot objects....order is important (i.e. start must be first)
 221
 222 OBJS  = $(CPUDIR)/start.o
 223 ifeq ($(CPU),ppc4xx)
 224 OBJS += $(CPUDIR)/resetvec.o
 225 endif
 226 ifeq ($(CPU),mpc85xx)
 227 OBJS += $(CPUDIR)/resetvec.o
 228 endif
 229
 230 OBJS := $(addprefix $(obj),$(OBJS))
 231
 232 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
 233
 234 LIBS-y += lib/libgeneric.o
 235 LIBS-$(CONFIG_RSA) += lib/rsa/librsa.o
 236 LIBS-$(CONFIG_LZMA) += lib/lzma/liblzma.o
 237 LIBS-$(CONFIG_LZO) += lib/lzo/liblzo.o
 238 LIBS-$(CONFIG_ZLIB) += lib/zlib/libz.o
 239 LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o
 240 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
 241 LIBS-y += $(CPUDIR)/lib$(CPU).o
 242 ifdef SOC
 243 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
 244 endif
 245 ifeq ($(CPU),ixp)
 246 LIBS-y += drivers/net/npe/libnpe.o
 247 endif
 248 LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
 249 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
 250 LIBS-y += fs/libfs.o \
 251         fs/fat/libfat.o
 252 LIBS-y += net/libnet.o
 253 LIBS-y += disk/libdisk.o
 254 LIBS-y += drivers/libdrivers.o
 255 LIBS-y += drivers/dma/libdma.o
 256 LIBS-y += drivers/gpio/libgpio.o
 257 LIBS-y += drivers/i2c/libi2c.o
 258 LIBS-y += drivers/input/libinput.o
 259 LIBS-y += drivers/mmc/libmmc.o
 260 LIBS-y += drivers/mtd/libmtd.o
 261 LIBS-y += drivers/mtd/nand/libnand.o
 262 LIBS-y += drivers/mtd/onenand/libonenand.o
 263 LIBS-y += drivers/mtd/ubi/libubi.o
 264 LIBS-y += drivers/mtd/spi/libspi_flash.o
 265 LIBS-y += drivers/net/libnet.o
 266 LIBS-y += drivers/net/phy/libphy.o
 267 LIBS-y += drivers/pci/libpci.o
 268 LIBS-y += drivers/power/libpower.o \
 269         drivers/power/fuel_gauge/libfuel_gauge.o \
 270         drivers/power/mfd/libmfd.o \
 271         drivers/power/pmic/libpmic.o \
 272         drivers/power/battery/libbattery.o
 273 LIBS-y += drivers/spi/libspi.o
 274 LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/libfm.o
 275 LIBS-y += drivers/serial/libserial.o
 276 LIBS-y += drivers/usb/eth/libusb_eth.o
 277 LIBS-y += drivers/usb/gadget/libusb_gadget.o
 278 LIBS-y += drivers/usb/host/libusb_host.o
 279 LIBS-y += drivers/usb/musb/libusb_musb.o
 280 LIBS-y += drivers/usb/musb-new/libusb_musb-new.o
 281 LIBS-y += drivers/usb/phy/libusb_phy.o
 282 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
 283 LIBS-y += common/libcommon.o
 284 LIBS-y += lib/libfdt/libfdt.o
 285 LIBS-y += api/libapi.o
 286 LIBS-y += post/libpost.o
 287 LIBS-y += test/libtest.o
 288
 289 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
 290 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 291 endif
 292
 293 LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o
 294 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/libcpu.o
 295
 296 LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
 297
 298 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 299 .PHONY : $(LIBS)
 300
 301 # Add GCC lib
 302 ifdef USE_PRIVATE_LIBGCC
 303 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 304 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 305 else
 306 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 307 endif
 308 else
 309 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 310 endif
 311 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 312 export PLATFORM_LIBS
 313
 314 # Special flags for CPP when processing the linker script.
 315 # Pass the version down so we can handle backwards compatibility
 316 # on the fly.
 317 LDPPFLAGS += \
 318         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 319         -DCPUDIR=$(CPUDIR) \
 320         $(shell $(LD) --version | \
 321           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 322
 323 __OBJS := $(subst $(obj),,$(OBJS))
 324 __LIBS := $(subst $(obj),,$(LIBS))
 325
 326 #########################################################################
 327 #########################################################################
 328
 329 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 330 BOARD_SIZE_CHECK = \
 331         @actual=`wc -c $@ | awk '{print $$1}'`; \
 332         limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
 333         if test $$actual -gt $$limit; then \
 334                 echo "$@ exceeds file size limit:" >&2 ; \
 335                 echo "  limit:  $$limit bytes" >&2 ; \
 336                 echo "  actual: $$actual bytes" >&2 ; \
 337                 echo "  excess: $$((actual - limit)) bytes" >&2; \
 338                 exit 1; \
 339         fi
 340 else
 341 BOARD_SIZE_CHECK =
 342 endif
 343
 344 # Always append ALL so that arch config.mk's can add custom ones
 345 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 346
 347 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 348 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 349 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
 350 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 351 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
 352 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
 353 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 354 ifneq ($(CONFIG_SPL_TARGET),)
 355 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
 356 endif
 357
 358 # enable combined SPL/u-boot/dtb rules for tegra
 359 ifneq ($(CONFIG_TEGRA),)
 360 ifeq ($(CONFIG_OF_SEPARATE),y)
 361 ALL-y += $(obj)u-boot-dtb-tegra.bin
 362 else
 363 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 364 endif
 365 endif
 366
 367 build := -f $(TOPDIR)/scripts/Makefile.build -C
 368
 369 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
 370
 371 $(obj)u-boot.dtb:       checkdtc $(obj)u-boot
 372                 $(MAKE) $(build) dts binary
 373                 mv $(obj)dts/dt.dtb $@
 374
 375 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 376                 cat $^ >$@
 377
 378 $(obj)u-boot.hex:       $(obj)u-boot
 379                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 380
 381 $(obj)u-boot.srec:      $(obj)u-boot
 382                 $(OBJCOPY) -O srec $< $@
 383
 384 $(obj)u-boot.bin:       $(obj)u-boot
 385                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 386                 $(BOARD_SIZE_CHECK)
 387
 388 $(obj)u-boot.ldr:       $(obj)u-boot
 389                 $(CREATE_LDR_ENV)
 390                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 391                 $(BOARD_SIZE_CHECK)
 392
 393 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 394                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 395
 396 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 397                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 398
 399 #
 400 # U-Boot entry point, needed for booting of full-blown U-Boot
 401 # from the SPL U-Boot version.
 402 #
 403 ifndef CONFIG_SYS_UBOOT_START
 404 CONFIG_SYS_UBOOT_START := 0
 405 endif
 406
 407 $(obj)u-boot.img:       $(obj)u-boot.bin
 408                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 409                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
 410                 -e $(CONFIG_SYS_UBOOT_START) \
 411                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 412                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 413                 -d $< $@
 414
 415 $(obj)u-boot.imx: $(obj)u-boot.bin depend
 416                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
 417
 418 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 419                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 420                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 421
 422 $(obj)u-boot.pbl:       $(obj)u-boot.bin
 423                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
 424                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
 425                 -d $< $@
 426
 427 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 428                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 429
 430 $(obj)u-boot.dis:       $(obj)u-boot
 431                 $(OBJDUMP) -d $< > $@
 432
 433 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
 434 # $(4) is pad-to
 435 SPL_PAD_APPEND = \
 436                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
 437                 $(1) $(obj)$(3); \
 438                 cat $(obj)$(3) $(2) > $@; \
 439                 rm $(obj)$(3)
 440
 441 ifdef CONFIG_TPL
 442 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
 443 else
 444 SPL_PAYLOAD := $(obj)u-boot.bin
 445 endif
 446
 447 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
 448                 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
 449
 450 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
 451                 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
 452
 453 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 454                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
 455                         $(OBJTREE)/u-boot-with-spl.imx
 456
 457 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 458                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
 459                         $(OBJTREE)/u-boot-with-nand-spl.imx
 460
 461 $(obj)u-boot.ubl:       $(obj)u-boot-with-spl.bin
 462                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 463                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
 464
 465 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 466                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
 467                         -T aisimage \
 468                         -e $(CONFIG_SPL_TEXT_BASE) \
 469                         -d $(obj)spl/u-boot-spl.bin \
 470                         $(obj)spl/u-boot-spl.ais
 471                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 472                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 473                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 474                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
 475                         $(obj)u-boot.ais
 476
 477
 478 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 479                 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
 480
 481 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 482 # Both images are created using mkimage (crc etc), so that the ROM
 483 # bootloader can check its integrity. Padding needs to be done to the
 484 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 485 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 486 # The resulting image containing both U-Boot images is called u-boot.spr
 487 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 488                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 489                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 490                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 491                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 492                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 493                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 494                         conv=notrunc 2>/dev/null
 495                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 496
 497 ifneq ($(CONFIG_TEGRA),)
 498 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 499                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 500                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 501                 rm $(obj)spl/u-boot-spl-pad.bin
 502
 503 ifeq ($(CONFIG_OF_SEPARATE),y)
 504 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
 505                 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
 506 endif
 507 endif
 508
 509 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 510                 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
 511
 512 # PPC4xx needs the SPL at the end of the image, since the reset vector
 513 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
 514 # and need to introduce a new build target with the full blown U-Boot
 515 # at the start padded up to the start of the SPL image. And then concat
 516 # the SPL image to the end.
 517 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 518                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
 519                         of=$(obj)u-boot-pad.img 2>/dev/null
 520                 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
 521                         conv=notrunc 2>/dev/null
 522                 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
 523
 524 ifeq ($(CONFIG_SANDBOX),y)
 525 GEN_UBOOT = \
 526                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 527                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 528                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 529 else
 530 GEN_UBOOT = \
 531                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 532                         $(__OBJS) \
 533                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 534                         -Map u-boot.map -o u-boot
 535 endif
 536
 537 $(obj)u-boot:   depend \
 538                 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 539                 $(GEN_UBOOT)
 540 ifeq ($(CONFIG_KALLSYMS),y)
 541                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
 542                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 543                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 544                         -c common/system_map.c -o $(obj)common/system_map.o
 545                 $(GEN_UBOOT) $(obj)common/system_map.o
 546 endif
 547
 548 $(OBJS):
 549         @:
 550
 551 $(LIBS):        depend $(SUBDIR_TOOLS)
 552                 $(MAKE) $(build) $(dir $(subst $(obj),,$@))
 553                 mv $(dir $@)built-in.o $@
 554
 555 $(SUBDIRS):     depend
 556                 $(MAKE) -C $@ all
 557
 558 $(SUBDIR_EXAMPLES): $(obj)u-boot
 559
 560 $(LDSCRIPT):    depend
 561                 $(MAKE) -C $(dir $@) $(notdir $@)
 562
 563 $(obj)u-boot.lds: $(LDSCRIPT)
 564                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
 565
 566 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 567                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 568
 569 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 570                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 571
 572 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 573                 $(MAKE) -C spl all
 574
 575 $(obj)tpl/u-boot-tpl.bin:       $(SUBDIR_TOOLS) depend
 576                 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
 577
 578 updater:
 579                 $(MAKE) -C tools/updater all
 580
 581 # Explicitly make _depend in subdirs containing multiple targets to prevent
 582 # parallel sub-makes creating .depend files simultaneously.
 583 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 584                 $(obj)include/spl-autoconf.mk \
 585                 $(obj)include/tpl-autoconf.mk \
 586                 $(obj)include/autoconf.mk \
 587                 $(obj)include/generated/generic-asm-offsets.h \
 588                 $(obj)include/generated/asm-offsets.h
 589
 590 TAG_SUBDIRS = $(SUBDIRS)
 591 TAG_SUBDIRS += $(dir $(__LIBS))
 592 TAG_SUBDIRS += include
 593
 594 FIND := find
 595 FINDFLAGS := -L
 596
 597 checkstack:
 598                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 599                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 600                         perl $(src)tools/checkstack.pl $(ARCH)
 601
 602 tags ctags:
 603                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 604                                                 -name '*.[chS]' -print`
 605
 606 etags:
 607                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 608                                                 -name '*.[chS]' -print`
 609 cscope:
 610                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 611                                                 cscope.files
 612                 cscope -b -q -k
 613
 614 SYSTEM_MAP = \
 615                 $(NM) $1 | \
 616                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 617                 LC_ALL=C sort
 618 $(obj)System.map:       $(obj)u-boot
 619                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
 620
 621 checkthumb:
 622         @if test $(call cc-version) -lt 0404; then \
 623                 echo -n '*** Your GCC does not produce working '; \
 624                 echo 'binaries in THUMB mode.'; \
 625                 echo '*** Your board is configured for THUMB mode.'; \
 626                 false; \
 627         fi
 628
 629 # GCC 3.x is reported to have problems generating the type of relocation
 630 # that U-Boot wants.
 631 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
 632 checkgcc4:
 633         @if test $(call cc-version) -lt 0400; then \
 634                 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
 635                 false; \
 636         fi
 637
 638 checkdtc:
 639         @if test $(call dtc-version) -lt 0104; then \
 640                 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
 641                 false; \
 642         fi
 643
 644 #
 645 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 646 #
 647 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 648 # the dep file is only include in this top level makefile to determine when
 649 # to regenerate the autoconf.mk file.
 650 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 651         @$(XECHO) Generating $@ ; \
 652         set -e ; \
 653         : Generate the dependancies ; \
 654         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 655                 -MQ $(obj)include/autoconf.mk include/common.h > $@
 656
 657 $(obj)include/autoconf.mk: $(obj)include/config.h
 658         @$(XECHO) Generating $@ ; \
 659         set -e ; \
 660         : Extract the config macros ; \
 661         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
 662                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 663         mv $@.tmp $@
 664
 665 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
 666 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
 667         @$(XECHO) Generating $@ ; \
 668         set -e ; \
 669         : Extract the config macros ; \
 670         $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD  -DCONFIG_SPL_BUILD\
 671                         -DDO_DEPS_ONLY -dM include/common.h | \
 672         sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 673         mv $@.tmp $@
 674
 675 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
 676         @$(XECHO) Generating $@ ; \
 677         set -e ; \
 678         : Extract the config macros ; \
 679         $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \
 680         sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 681         mv $@.tmp $@
 682
 683 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 684         $(obj)include/spl-autoconf.mk \
 685         $(obj)include/tpl-autoconf.mk \
 686         $(obj)lib/asm-offsets.s
 687         @$(XECHO) Generating $@
 688         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 689
 690 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
 691         $(obj)include/spl-autoconf.mk \
 692         $(obj)include/tpl-autoconf.mk \
 693         $(src)lib/asm-offsets.c
 694         @mkdir -p $(obj)lib
 695         $(CC) -DDO_DEPS_ONLY \
 696                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 697                 -o $@ $(src)lib/asm-offsets.c -c -S
 698
 699 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 700         $(obj)include/spl-autoconf.mk \
 701         $(obj)include/tpl-autoconf.mk \
 702         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 703         @$(XECHO) Generating $@
 704         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 705
 706 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep \
 707         $(obj)include/spl-autoconf.mk \
 708         $(obj)include/tpl-autoconf.mk
 709         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 710         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 711                 $(CC) -DDO_DEPS_ONLY \
 712                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 713                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 714         else \
 715                 touch $@; \
 716         fi
 717
 718 #########################################################################
 719 else    # !config.mk
 720 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 721 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 722 $(filter-out tools,$(SUBDIRS)) \
 723 updater depend dep tags ctags etags cscope $(obj)System.map:
 724         @echo "System not configured - see README" >&2
 725         @ exit 1
 726
 727 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 728         $(MAKE) -C $@ all
 729 endif   # config.mk
 730
 731 # ARM relocations should all be R_ARM_RELATIVE.
 732 checkarmreloc: $(obj)u-boot
 733         @if test "R_ARM_RELATIVE" != \
 734                 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
 735                 then echo "$< contains relocations other than \
 736                 R_ARM_RELATIVE"; false; fi
 737
 738 $(VERSION_FILE):
 739                 @mkdir -p $(dir $(VERSION_FILE))
 740                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
 741                    printf '#define PLAIN_VERSION "%s%s"\n' \
 742                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 743                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 744                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 745                 ) > $@.tmp
 746                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 747                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 748                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 749                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 750                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 751
 752 $(TIMESTAMP_FILE):
 753                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 754                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 755                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 756                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 757
 758 easylogo env gdb:
 759         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 760 gdbtools: gdb
 761
 762 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
 763         $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
 764
 765 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 766         $(MAKE) -C tools HOST_TOOLS_ALL=y
 767
 768 .PHONY : CHANGELOG
 769 CHANGELOG:
 770         git log --no-merges U-Boot-1_1_5.. | \
 771         unexpand -a | sed -e 's/\s\s*$$//' > $@
 772
 773 include/license.h: tools/bin2header COPYING
 774         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 775 #########################################################################
 776
 777 unconfig:
 778         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 779                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 780                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
 781                 $(obj)include/spl-autoconf.mk \
 782                 $(obj)include/tpl-autoconf.mk
 783
 784 %_config::      unconfig
 785         @$(MKCONFIG) -A $(@:_config=)
 786
 787 sinclude $(obj).boards.depend
 788 $(obj).boards.depend:   boards.cfg
 789         @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
 790
 791 #
 792 # Functions to generate common board directory names
 793 #
 794 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
 795 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
 796
 797 #########################################################################
 798 #########################################################################
 799
 800 clean:
 801         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 802                $(obj)examples/standalone/atmel_df_pow2                    \
 803                $(obj)examples/standalone/eepro100_eeprom                  \
 804                $(obj)examples/standalone/hello_world                      \
 805                $(obj)examples/standalone/interrupt                        \
 806                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 807                $(obj)examples/standalone/sched                            \
 808                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 809                $(obj)examples/standalone/test_burst                       \
 810                $(obj)examples/standalone/timer
 811         @rm -f $(obj)examples/api/demo{,.bin}
 812         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 813                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 814                $(obj)tools/envcrc                                         \
 815                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 816                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 817                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 818                $(obj)tools/mk{$(BOARD),}spl                               \
 819                $(obj)tools/mxsboot                                        \
 820                $(obj)tools/ncb             $(obj)tools/ubsha1             \
 821                $(obj)tools/kernel-doc/docproc                             \
 822                $(obj)tools/proftool
 823         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 824                $(obj)board/matrix_vision/*/bootscript.img                 \
 825                $(obj)board/voiceblue/eeprom                               \
 826                $(obj)u-boot.lds                                           \
 827                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
 828                $(obj)arch/blackfin/cpu/init.{lds,elf}
 829         @rm -f $(obj)include/bmp_logo.h
 830         @rm -f $(obj)include/bmp_logo_data.h
 831         @rm -f $(obj)lib/asm-offsets.s
 832         @rm -f $(obj)include/generated/asm-offsets.h
 833         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 834         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 835         @$(MAKE) -s -C doc/DocBook/ cleandocs
 836         @find $(OBJTREE) -type f \
 837                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 838                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \
 839                 -o -name '*.cfgtmp' \) -print \
 840                 | xargs rm -f
 841
 842 # Removes everything not needed for testing u-boot
 843 tidy:   clean
 844         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 845
 846 clobber:        tidy
 847         @find $(OBJTREE) -type f \( -name '*.srec' \
 848                 -o -name '*.bin' -o -name u-boot.img \) \
 849                 -print0 | xargs -0 rm -f
 850         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 851                 $(obj)cscope.* $(obj)*.*~
 852         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 853         @rm -f $(obj)u-boot.kwb
 854         @rm -f $(obj)u-boot.pbl
 855         @rm -f $(obj)u-boot.imx
 856         @rm -f $(obj)u-boot-with-spl.imx
 857         @rm -f $(obj)u-boot-with-nand-spl.imx
 858         @rm -f $(obj)u-boot.ubl
 859         @rm -f $(obj)u-boot.ais
 860         @rm -f $(obj)u-boot.dtb
 861         @rm -f $(obj)u-boot.sb
 862         @rm -f $(obj)u-boot.bd
 863         @rm -f $(obj)u-boot.spr
 864         @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
 865         @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
 866         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
 867         @rm -f $(obj)spl/u-boot-spl.lds
 868         @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
 869         @rm -f $(obj)tpl/u-boot-spl.lds
 870         @rm -f $(obj)MLO MLO.byteswap
 871         @rm -f $(obj)SPL
 872         @rm -f $(obj)tools/xway-swap-bytes
 873         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
 874         @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 875         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 876         @rm -fr $(obj)include/generated
 877         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 878         @rm -f $(obj)dts/*.tmp
 879         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
 880
 881 mrproper \
 882 distclean:      clobber unconfig
 883 ifneq ($(OBJTREE),$(SRCTREE))
 884         rm -rf $(obj)*
 885 endif
 886
 887 backup:
 888         F=`basename $(TOPDIR)` ; cd .. ; \
 889         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 890
 891 #########################################################################