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 ifeq ("$(origin O)", "command line")
  69 BUILD_DIR := $(O)
  70 endif
  71
  72 # Call a source code checker (by default, "sparse") as part of the
  73 # C compilation.
  74 #
  75 # Use 'make C=1' to enable checking of re-compiled files.
  76 #
  77 # See the linux kernel file "Documentation/sparse.txt" for more details,
  78 # including where to get the "sparse" utility.
  79
  80 ifdef C
  81 ifeq ("$(origin C)", "command line")
  82 CHECKSRC := $(C)
  83 endif
  84 endif
  85 ifndef CHECKSRC
  86   CHECKSRC = 0
  87 endif
  88 export CHECKSRC
  89
  90 ifneq ($(BUILD_DIR),)
  91 saved-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.
  97 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
  98 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
  99 endif # ifneq ($(BUILD_DIR),)
 100
 101 OBJTREE         := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
 102 SPLTREE         := $(OBJTREE)/spl
 103 TPLTREE         := $(OBJTREE)/tpl
 104 SRCTREE         := $(CURDIR)
 105 TOPDIR          := $(SRCTREE)
 106 LNDIR           := $(OBJTREE)
 107 export  TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
 108
 109 MKCONFIG        := $(SRCTREE)/mkconfig
 110 export MKCONFIG
 111
 112 ifneq ($(OBJTREE),$(SRCTREE))
 113 REMOTE_BUILD    := 1
 114 export REMOTE_BUILD
 115 endif
 116
 117 # $(obj) and (src) are defined in config.mk but here in main Makefile
 118 # we also need them before config.mk is included which is the case for
 119 # some targets like unconfig, clean, clobber, distclean, etc.
 120 ifneq ($(OBJTREE),$(SRCTREE))
 121 obj := $(OBJTREE)/
 122 src := $(SRCTREE)/
 123 else
 124 obj :=
 125 src :=
 126 endif
 127 export obj src
 128
 129 # Make sure CDPATH settings don't interfere
 130 unexport CDPATH
 131
 132 #########################################################################
 133
 134 # The "tools" are needed early, so put this first
 135 # Don't include stuff already done in $(LIBS)
 136 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
 137 # is "yes"), so compile examples after U-Boot is compiled.
 138 SUBDIR_TOOLS = tools
 139 SUBDIRS = $(SUBDIR_TOOLS)
 140
 141 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
 142
 143 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
 144
 145 # Include autoconf.mk before config.mk so that the config options are available
 146 # to all top level build files.  We need the dummy all: target to prevent the
 147 # dependency target in autoconf.mk.dep from being the default.
 148 all:
 149 sinclude $(obj)include/autoconf.mk.dep
 150 sinclude $(obj)include/autoconf.mk
 151
 152 SUBDIR_EXAMPLES-y := examples/standalone
 153 SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api
 154 ifndef CONFIG_SANDBOX
 155 SUBDIRS += $(SUBDIR_EXAMPLES-y)
 156 endif
 157
 158 # load ARCH, BOARD, and CPU configuration
 159 include $(obj)include/config.mk
 160 export  ARCH CPU BOARD VENDOR SOC
 161
 162 # set default to nothing for native builds
 163 ifeq ($(HOSTARCH),$(ARCH))
 164 CROSS_COMPILE ?=
 165 endif
 166
 167 # load other configuration
 168 include $(TOPDIR)/config.mk
 169
 170 # Targets which don't build the source code
 171 NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig
 172
 173 # Only do the generic board check when actually building, not configuring
 174 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
 175 ifeq ($(findstring _config,$(MAKECMDGOALS)),)
 176 $(CHECK_GENERIC_BOARD)
 177 endif
 178 endif
 179
 180 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 181 # that (or fail if absent).  Otherwise, search for a linker script in a
 182 # standard location.
 183
 184 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
 185
 186 ifndef LDSCRIPT
 187         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
 188         ifdef CONFIG_SYS_LDSCRIPT
 189                 # need to strip off double quotes
 190                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
 191         endif
 192 endif
 193
 194 # If there is no specified link script, we look in a number of places for it
 195 ifndef LDSCRIPT
 196         ifeq ($(CONFIG_NAND_U_BOOT),y)
 197                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
 198                 ifeq ($(wildcard $(LDSCRIPT)),)
 199                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 200                 endif
 201         endif
 202         ifeq ($(wildcard $(LDSCRIPT)),)
 203                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
 204         endif
 205         ifeq ($(wildcard $(LDSCRIPT)),)
 206                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
 207         endif
 208         ifeq ($(wildcard $(LDSCRIPT)),)
 209                 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
 210                 # We don't expect a Makefile here
 211                 LDSCRIPT_MAKEFILE_DIR =
 212         endif
 213         ifeq ($(wildcard $(LDSCRIPT)),)
 214 $(error could not find linker script)
 215         endif
 216 endif
 217
 218 #########################################################################
 219 # U-Boot objects....order is important (i.e. start must be first)
 220
 221 OBJS  = $(CPUDIR)/start.o
 222 ifeq ($(CPU),ppc4xx)
 223 OBJS += $(CPUDIR)/resetvec.o
 224 endif
 225 ifeq ($(CPU),mpc85xx)
 226 OBJS += $(CPUDIR)/resetvec.o
 227 endif
 228
 229 OBJS := $(addprefix $(obj),$(OBJS))
 230
 231 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
 232
 233 LIBS-y += lib/
 234 LIBS-$(CONFIG_RSA) += lib/rsa/
 235 LIBS-$(CONFIG_LZMA) += lib/lzma/
 236 LIBS-$(CONFIG_LZO) += lib/lzo/
 237 LIBS-$(CONFIG_ZLIB) += lib/zlib/
 238 LIBS-$(CONFIG_TIZEN) += lib/tizen/
 239 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
 240 LIBS-y += $(CPUDIR)/
 241 ifdef SOC
 242 LIBS-y += $(CPUDIR)/$(SOC)/
 243 endif
 244 LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
 245 LIBS-$(CONFIG_OF_EMBED) += dts/
 246 LIBS-y += arch/$(ARCH)/lib/
 247 LIBS-y += fs/
 248 LIBS-y += net/
 249 LIBS-y += disk/
 250 LIBS-y += drivers/
 251 LIBS-y += drivers/dma/
 252 LIBS-y += drivers/gpio/
 253 LIBS-y += drivers/i2c/
 254 LIBS-y += drivers/input/
 255 LIBS-y += drivers/mmc/
 256 LIBS-y += drivers/mtd/
 257 LIBS-y += drivers/mtd/nand/
 258 LIBS-y += drivers/mtd/onenand/
 259 LIBS-y += drivers/mtd/ubi/
 260 LIBS-y += drivers/mtd/spi/
 261 LIBS-y += drivers/net/
 262 LIBS-y += drivers/net/phy/
 263 LIBS-y += drivers/pci/
 264 LIBS-y += drivers/power/ \
 265         drivers/power/fuel_gauge/ \
 266         drivers/power/mfd/ \
 267         drivers/power/pmic/ \
 268         drivers/power/battery/
 269 LIBS-y += drivers/spi/
 270 LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
 271 LIBS-y += drivers/serial/
 272 LIBS-y += drivers/usb/eth/
 273 LIBS-y += drivers/usb/gadget/
 274 LIBS-y += drivers/usb/host/
 275 LIBS-y += drivers/usb/musb/
 276 LIBS-y += drivers/usb/musb-new/
 277 LIBS-y += drivers/usb/phy/
 278 LIBS-y += drivers/usb/ulpi/
 279 LIBS-y += common/
 280 LIBS-y += lib/libfdt/
 281 LIBS-$(CONFIG_API) += api/
 282 LIBS-y += post/
 283 LIBS-y += test/
 284
 285 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
 286 LIBS-y += arch/$(ARCH)/imx-common/
 287 endif
 288
 289 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
 290 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
 291
 292 LIBS-y += board/$(BOARDDIR)/
 293
 294 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
 295 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 296 .PHONY : $(LIBS)
 297
 298 # Add GCC lib
 299 ifdef USE_PRIVATE_LIBGCC
 300 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 301 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 302 else
 303 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 304 endif
 305 else
 306 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 307 endif
 308 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 309 export PLATFORM_LIBS
 310
 311 # Special flags for CPP when processing the linker script.
 312 # Pass the version down so we can handle backwards compatibility
 313 # on the fly.
 314 LDPPFLAGS += \
 315         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 316         -DCPUDIR=$(CPUDIR) \
 317         $(shell $(LD) --version | \
 318           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 319
 320 __OBJS := $(subst $(obj),,$(OBJS))
 321 __LIBS := $(subst $(obj),,$(LIBS))
 322
 323 #########################################################################
 324 #########################################################################
 325
 326 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 327 BOARD_SIZE_CHECK = \
 328         @actual=`wc -c $@ | awk '{print $$1}'`; \
 329         limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
 330         if test $$actual -gt $$limit; then \
 331                 echo "$@ exceeds file size limit:" >&2 ; \
 332                 echo "  limit:  $$limit bytes" >&2 ; \
 333                 echo "  actual: $$actual bytes" >&2 ; \
 334                 echo "  excess: $$((actual - limit)) bytes" >&2; \
 335                 exit 1; \
 336         fi
 337 else
 338 BOARD_SIZE_CHECK =
 339 endif
 340
 341 # Always append ALL so that arch config.mk's can add custom ones
 342 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 343
 344 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 345 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 346 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
 347 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 348 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
 349 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
 350 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 351 ifneq ($(CONFIG_SPL_TARGET),)
 352 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
 353 endif
 354
 355 # enable combined SPL/u-boot/dtb rules for tegra
 356 ifneq ($(CONFIG_TEGRA),)
 357 ifeq ($(CONFIG_OF_SEPARATE),y)
 358 ALL-y += $(obj)u-boot-dtb-tegra.bin
 359 else
 360 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 361 endif
 362 endif
 363
 364 build := -f $(TOPDIR)/scripts/Makefile.build -C
 365
 366 all:            $(ALL-y) $(SUBDIR_EXAMPLES-y)
 367
 368 $(obj)u-boot.dtb:       checkdtc $(obj)u-boot
 369                 $(MAKE) $(build) dts binary
 370                 mv $(obj)dts/dt.dtb $@
 371
 372 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 373                 cat $^ >$@
 374
 375 $(obj)u-boot.hex:       $(obj)u-boot
 376                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 377
 378 $(obj)u-boot.srec:      $(obj)u-boot
 379                 $(OBJCOPY) -O srec $< $@
 380
 381 $(obj)u-boot.bin:       $(obj)u-boot
 382                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 383                 $(BOARD_SIZE_CHECK)
 384
 385 $(obj)u-boot.ldr:       $(obj)u-boot
 386                 $(CREATE_LDR_ENV)
 387                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 388                 $(BOARD_SIZE_CHECK)
 389
 390 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 391                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 392
 393 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 394                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 395
 396 #
 397 # U-Boot entry point, needed for booting of full-blown U-Boot
 398 # from the SPL U-Boot version.
 399 #
 400 ifndef CONFIG_SYS_UBOOT_START
 401 CONFIG_SYS_UBOOT_START := 0
 402 endif
 403
 404 $(obj)u-boot.img:       $(obj)u-boot.bin
 405                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 406                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
 407                 -e $(CONFIG_SYS_UBOOT_START) \
 408                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 409                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 410                 -d $< $@
 411
 412 $(obj)u-boot.imx: $(obj)u-boot.bin depend
 413                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
 414
 415 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 416                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 417                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 418
 419 $(obj)u-boot.pbl:       $(obj)u-boot.bin
 420                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
 421                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
 422                 -d $< $@
 423
 424 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 425                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 426
 427 $(obj)u-boot.dis:       $(obj)u-boot
 428                 $(OBJDUMP) -d $< > $@
 429
 430 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
 431 # $(4) is pad-to
 432 SPL_PAD_APPEND = \
 433                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
 434                 $(1) $(obj)$(3); \
 435                 cat $(obj)$(3) $(2) > $@; \
 436                 rm $(obj)$(3)
 437
 438 ifdef CONFIG_TPL
 439 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
 440 else
 441 SPL_PAYLOAD := $(obj)u-boot.bin
 442 endif
 443
 444 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
 445                 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
 446
 447 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
 448                 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
 449
 450 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 451                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
 452                         $(OBJTREE)/u-boot-with-spl.imx
 453
 454 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 455                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
 456                         $(OBJTREE)/u-boot-with-nand-spl.imx
 457
 458 $(obj)u-boot.ubl:       $(obj)u-boot-with-spl.bin
 459                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 460                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
 461
 462 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 463                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
 464                         -T aisimage \
 465                         -e $(CONFIG_SPL_TEXT_BASE) \
 466                         -d $(obj)spl/u-boot-spl.bin \
 467                         $(obj)spl/u-boot-spl.ais
 468                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 469                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 470                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 471                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
 472                         $(obj)u-boot.ais
 473
 474
 475 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 476                 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
 477
 478 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 479 # Both images are created using mkimage (crc etc), so that the ROM
 480 # bootloader can check its integrity. Padding needs to be done to the
 481 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 482 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 483 # The resulting image containing both U-Boot images is called u-boot.spr
 484 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 485                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 486                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 487                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 488                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 489                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 490                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 491                         conv=notrunc 2>/dev/null
 492                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 493
 494 ifneq ($(CONFIG_TEGRA),)
 495 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 496                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 497                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 498                 rm $(obj)spl/u-boot-spl-pad.bin
 499
 500 ifeq ($(CONFIG_OF_SEPARATE),y)
 501 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
 502                 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
 503 endif
 504 endif
 505
 506 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 507                 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
 508
 509 # PPC4xx needs the SPL at the end of the image, since the reset vector
 510 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
 511 # and need to introduce a new build target with the full blown U-Boot
 512 # at the start padded up to the start of the SPL image. And then concat
 513 # the SPL image to the end.
 514 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 515                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
 516                         of=$(obj)u-boot-pad.img 2>/dev/null
 517                 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
 518                         conv=notrunc 2>/dev/null
 519                 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
 520
 521 ifeq ($(CONFIG_SANDBOX),y)
 522 GEN_UBOOT = \
 523                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 524                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 525                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 526 else
 527 GEN_UBOOT = \
 528                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 529                         $(__OBJS) \
 530                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 531                         -Map u-boot.map -o u-boot
 532 endif
 533
 534 $(obj)u-boot:   depend \
 535                 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 536                 $(GEN_UBOOT)
 537 ifeq ($(CONFIG_KALLSYMS),y)
 538                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
 539                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 540                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 541                         -c common/system_map.c -o $(obj)common/system_map.o
 542                 $(GEN_UBOOT) $(obj)common/system_map.o
 543 endif
 544
 545 $(OBJS):
 546         @:
 547
 548 $(LIBS):        depend $(SUBDIR_TOOLS)
 549                 $(MAKE) $(build) $(dir $(subst $(obj),,$@))
 550
 551 $(SUBDIRS):     depend
 552                 $(MAKE) -C $@ all
 553
 554 $(SUBDIR_EXAMPLES-y): $(obj)u-boot
 555
 556 $(LDSCRIPT):    depend
 557                 $(MAKE) -C $(dir $@) $(notdir $@)
 558
 559 $(obj)u-boot.lds: $(LDSCRIPT)
 560                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
 561
 562 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 563                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 564
 565 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 566                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 567
 568 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 569                 $(MAKE) -C spl all
 570
 571 $(obj)tpl/u-boot-tpl.bin:       $(SUBDIR_TOOLS) depend
 572                 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
 573
 574 # Explicitly make _depend in subdirs containing multiple targets to prevent
 575 # parallel sub-makes creating .depend files simultaneously.
 576 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 577                 $(obj)include/spl-autoconf.mk \
 578                 $(obj)include/tpl-autoconf.mk \
 579                 $(obj)include/autoconf.mk \
 580                 $(obj)include/generated/generic-asm-offsets.h \
 581                 $(obj)include/generated/asm-offsets.h
 582
 583 TAG_SUBDIRS = $(SUBDIRS)
 584 TAG_SUBDIRS += $(dir $(__LIBS))
 585 TAG_SUBDIRS += include
 586
 587 FIND := find
 588 FINDFLAGS := -L
 589
 590 checkstack:
 591                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 592                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 593                         perl $(src)tools/checkstack.pl $(ARCH)
 594
 595 tags ctags:
 596                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 597                                                 -name '*.[chS]' -print`
 598
 599 etags:
 600                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 601                                                 -name '*.[chS]' -print`
 602 cscope:
 603                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 604                                                 cscope.files
 605                 cscope -b -q -k
 606
 607 SYSTEM_MAP = \
 608                 $(NM) $1 | \
 609                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 610                 LC_ALL=C sort
 611 $(obj)System.map:       $(obj)u-boot
 612                 @$(call SYSTEM_MAP,$<) > $@
 613
 614 checkthumb:
 615         @if test $(call cc-version) -lt 0404; then \
 616                 echo -n '*** Your GCC does not produce working '; \
 617                 echo 'binaries in THUMB mode.'; \
 618                 echo '*** Your board is configured for THUMB mode.'; \
 619                 false; \
 620         fi
 621
 622 # GCC 3.x is reported to have problems generating the type of relocation
 623 # that U-Boot wants.
 624 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
 625 checkgcc4:
 626         @if test $(call cc-version) -lt 0400; then \
 627                 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
 628                 false; \
 629         fi
 630
 631 checkdtc:
 632         @if test $(call dtc-version) -lt 0104; then \
 633                 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
 634                 false; \
 635         fi
 636
 637 #
 638 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 639 #
 640 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 641 # the dep file is only include in this top level makefile to determine when
 642 # to regenerate the autoconf.mk file.
 643 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 644         @$(XECHO) Generating $@ ; \
 645         set -e ; \
 646         : Generate the dependancies ; \
 647         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 648                 -MQ $(obj)include/autoconf.mk include/common.h > $@
 649
 650 $(obj)include/autoconf.mk: $(obj)include/config.h
 651         @$(XECHO) Generating $@ ; \
 652         set -e ; \
 653         : Extract the config macros ; \
 654         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
 655                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 656         mv $@.tmp $@
 657
 658 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
 659 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
 660         @$(XECHO) Generating $@ ; \
 661         set -e ; \
 662         : Extract the config macros ; \
 663         $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD  -DCONFIG_SPL_BUILD\
 664                         -DDO_DEPS_ONLY -dM include/common.h | \
 665         sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 666         mv $@.tmp $@
 667
 668 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
 669         @$(XECHO) Generating $@ ; \
 670         set -e ; \
 671         : Extract the config macros ; \
 672         $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \
 673         sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 674         mv $@.tmp $@
 675
 676 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 677         $(obj)include/spl-autoconf.mk \
 678         $(obj)include/tpl-autoconf.mk \
 679         $(obj)lib/asm-offsets.s
 680         @$(XECHO) Generating $@
 681         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 682
 683 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
 684         $(obj)include/spl-autoconf.mk \
 685         $(obj)include/tpl-autoconf.mk \
 686         $(src)lib/asm-offsets.c
 687         @mkdir -p $(obj)lib
 688         $(CC) -DDO_DEPS_ONLY \
 689                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 690                 -o $@ $(src)lib/asm-offsets.c -c -S
 691
 692 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 693         $(obj)include/spl-autoconf.mk \
 694         $(obj)include/tpl-autoconf.mk \
 695         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 696         @$(XECHO) Generating $@
 697         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 698
 699 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep \
 700         $(obj)include/spl-autoconf.mk \
 701         $(obj)include/tpl-autoconf.mk
 702         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 703         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 704                 $(CC) -DDO_DEPS_ONLY \
 705                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 706                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 707         else \
 708                 touch $@; \
 709         fi
 710
 711 #########################################################################
 712 else    # !config.mk
 713 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 714 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 715 $(filter-out tools,$(SUBDIRS)) \
 716 depend dep tags ctags etags cscope $(obj)System.map:
 717         @echo "System not configured - see README" >&2
 718         @ exit 1
 719
 720 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 721         $(MAKE) -C $@ all
 722 endif   # config.mk
 723
 724 # ARM relocations should all be R_ARM_RELATIVE.
 725 checkarmreloc: $(obj)u-boot
 726         @if test "R_ARM_RELATIVE" != \
 727                 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
 728                 then echo "$< contains relocations other than \
 729                 R_ARM_RELATIVE"; false; fi
 730
 731 $(VERSION_FILE):
 732                 @mkdir -p $(dir $(VERSION_FILE))
 733                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
 734                    printf '#define PLAIN_VERSION "%s%s"\n' \
 735                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 736                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 737                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 738                 ) > $@.tmp
 739                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 740                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 741                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 742                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 743                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 744
 745 $(TIMESTAMP_FILE):
 746                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 747                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 748                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 749                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 750
 751 easylogo env gdb:
 752         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 753 gdbtools: gdb
 754
 755 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
 756         $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
 757
 758 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 759         $(MAKE) -C tools HOST_TOOLS_ALL=y
 760
 761 .PHONY : CHANGELOG
 762 CHANGELOG:
 763         git log --no-merges U-Boot-1_1_5.. | \
 764         unexpand -a | sed -e 's/\s\s*$$//' > $@
 765
 766 include/license.h: tools/bin2header COPYING
 767         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 768 #########################################################################
 769
 770 unconfig:
 771         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 772                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 773                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
 774                 $(obj)include/spl-autoconf.mk \
 775                 $(obj)include/tpl-autoconf.mk
 776
 777 %_config::      unconfig
 778         @$(MKCONFIG) -A $(@:_config=)
 779
 780 sinclude $(obj).boards.depend
 781 $(obj).boards.depend:   boards.cfg
 782         @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
 783
 784 #########################################################################
 785 #########################################################################
 786
 787 clean:
 788         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 789                $(obj)examples/standalone/atmel_df_pow2                    \
 790                $(obj)examples/standalone/eepro100_eeprom                  \
 791                $(obj)examples/standalone/hello_world                      \
 792                $(obj)examples/standalone/interrupt                        \
 793                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 794                $(obj)examples/standalone/sched                            \
 795                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 796                $(obj)examples/standalone/test_burst                       \
 797                $(obj)examples/standalone/timer
 798         @rm -f $(obj)examples/api/demo{,.bin}
 799         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 800                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 801                $(obj)tools/envcrc                                         \
 802                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 803                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 804                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 805                $(obj)tools/mk{$(BOARD),}spl                               \
 806                $(obj)tools/mxsboot                                        \
 807                $(obj)tools/ncb             $(obj)tools/ubsha1             \
 808                $(obj)tools/kernel-doc/docproc                             \
 809                $(obj)tools/proftool
 810         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 811                $(obj)board/matrix_vision/*/bootscript.img                 \
 812                $(obj)board/voiceblue/eeprom                               \
 813                $(obj)u-boot.lds                                           \
 814                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
 815                $(obj)arch/blackfin/cpu/init.{lds,elf}
 816         @rm -f $(obj)include/bmp_logo.h
 817         @rm -f $(obj)include/bmp_logo_data.h
 818         @rm -f $(obj)lib/asm-offsets.s
 819         @rm -f $(obj)include/generated/asm-offsets.h
 820         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 821         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 822         @$(MAKE) -s -C doc/DocBook/ cleandocs
 823         @find $(OBJTREE) -type f \
 824                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 825                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \
 826                 -o -name '*.cfgtmp' \) -print \
 827                 | xargs rm -f
 828
 829 # Removes everything not needed for testing u-boot
 830 tidy:   clean
 831         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 832
 833 clobber:        tidy
 834         @find $(OBJTREE) -type f \( -name '*.srec' \
 835                 -o -name '*.bin' -o -name u-boot.img \) \
 836                 -print0 | xargs -0 rm -f
 837         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 838                 $(obj)cscope.* $(obj)*.*~
 839         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 840         @rm -f $(obj)u-boot.kwb
 841         @rm -f $(obj)u-boot.pbl
 842         @rm -f $(obj)u-boot.imx
 843         @rm -f $(obj)u-boot-with-spl.imx
 844         @rm -f $(obj)u-boot-with-nand-spl.imx
 845         @rm -f $(obj)u-boot.ubl
 846         @rm -f $(obj)u-boot.ais
 847         @rm -f $(obj)u-boot.dtb
 848         @rm -f $(obj)u-boot.sb
 849         @rm -f $(obj)u-boot.bd
 850         @rm -f $(obj)u-boot.spr
 851         @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
 852         @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
 853         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
 854         @rm -f $(obj)spl/u-boot-spl.lds
 855         @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
 856         @rm -f $(obj)tpl/u-boot-spl.lds
 857         @rm -f $(obj)MLO MLO.byteswap
 858         @rm -f $(obj)SPL
 859         @rm -f $(obj)tools/xway-swap-bytes
 860         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 861         @rm -fr $(obj)include/generated
 862         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 863         @rm -f $(obj)dts/*.tmp
 864         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
 865
 866 mrproper \
 867 distclean:      clobber unconfig
 868 ifneq ($(OBJTREE),$(SRCTREE))
 869         rm -rf $(obj)*
 870 endif
 871
 872 backup:
 873         F=`basename $(TOPDIR)` ; cd .. ; \
 874         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 875
 876 #########################################################################