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 SUBDIR_EXAMPLES = examples/standalone examples/api
 140 SUBDIRS = $(SUBDIR_TOOLS)
 141
 142 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
 143
 144 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
 145
 146 # Include autoconf.mk before config.mk so that the config options are available
 147 # to all top level build files.  We need the dummy all: target to prevent the
 148 # dependency target in autoconf.mk.dep from being the default.
 149 all:
 150 sinclude $(obj)include/autoconf.mk.dep
 151 sinclude $(obj)include/autoconf.mk
 152
 153 ifndef CONFIG_SANDBOX
 154 SUBDIRS += $(SUBDIR_EXAMPLES)
 155 endif
 156
 157 # load ARCH, BOARD, and CPU configuration
 158 include $(obj)include/config.mk
 159 export  ARCH CPU BOARD VENDOR SOC
 160
 161 # set default to nothing for native builds
 162 ifeq ($(HOSTARCH),$(ARCH))
 163 CROSS_COMPILE ?=
 164 endif
 165
 166 # load other configuration
 167 include $(TOPDIR)/config.mk
 168
 169 # Targets which don't build the source code
 170 NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig
 171
 172 # Only do the generic board check when actually building, not configuring
 173 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
 174 ifeq ($(findstring _config,$(MAKECMDGOALS)),)
 175 $(CHECK_GENERIC_BOARD)
 176 endif
 177 endif
 178
 179 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 180 # that (or fail if absent).  Otherwise, search for a linker script in a
 181 # standard location.
 182
 183 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
 184
 185 ifndef LDSCRIPT
 186         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
 187         ifdef CONFIG_SYS_LDSCRIPT
 188                 # need to strip off double quotes
 189                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
 190         endif
 191 endif
 192
 193 # If there is no specified link script, we look in a number of places for it
 194 ifndef LDSCRIPT
 195         ifeq ($(CONFIG_NAND_U_BOOT),y)
 196                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
 197                 ifeq ($(wildcard $(LDSCRIPT)),)
 198                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 199                 endif
 200         endif
 201         ifeq ($(wildcard $(LDSCRIPT)),)
 202                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
 203         endif
 204         ifeq ($(wildcard $(LDSCRIPT)),)
 205                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
 206         endif
 207         ifeq ($(wildcard $(LDSCRIPT)),)
 208                 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
 209                 # We don't expect a Makefile here
 210                 LDSCRIPT_MAKEFILE_DIR =
 211         endif
 212         ifeq ($(wildcard $(LDSCRIPT)),)
 213 $(error could not find linker script)
 214         endif
 215 endif
 216
 217 #########################################################################
 218 # U-Boot objects....order is important (i.e. start must be first)
 219
 220 OBJS  = $(CPUDIR)/start.o
 221 ifeq ($(CPU),ppc4xx)
 222 OBJS += $(CPUDIR)/resetvec.o
 223 endif
 224 ifeq ($(CPU),mpc85xx)
 225 OBJS += $(CPUDIR)/resetvec.o
 226 endif
 227
 228 OBJS := $(addprefix $(obj),$(OBJS))
 229
 230 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
 231
 232 LIBS-y += lib/
 233 LIBS-$(CONFIG_RSA) += lib/rsa/
 234 LIBS-$(CONFIG_LZMA) += lib/lzma/
 235 LIBS-$(CONFIG_LZO) += lib/lzo/
 236 LIBS-$(CONFIG_ZLIB) += lib/zlib/
 237 LIBS-$(CONFIG_TIZEN) += lib/tizen/
 238 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
 239 LIBS-y += $(CPUDIR)/
 240 ifdef SOC
 241 LIBS-y += $(CPUDIR)/$(SOC)/
 242 endif
 243 LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
 244 LIBS-$(CONFIG_OF_EMBED) += dts/
 245 LIBS-y += arch/$(ARCH)/lib/
 246 LIBS-y += fs/
 247 LIBS-y += net/
 248 LIBS-y += disk/
 249 LIBS-y += drivers/
 250 LIBS-y += drivers/dma/
 251 LIBS-y += drivers/gpio/
 252 LIBS-y += drivers/i2c/
 253 LIBS-y += drivers/input/
 254 LIBS-y += drivers/mmc/
 255 LIBS-y += drivers/mtd/
 256 LIBS-y += drivers/mtd/nand/
 257 LIBS-y += drivers/mtd/onenand/
 258 LIBS-y += drivers/mtd/ubi/
 259 LIBS-y += drivers/mtd/spi/
 260 LIBS-y += drivers/net/
 261 LIBS-y += drivers/net/phy/
 262 LIBS-y += drivers/pci/
 263 LIBS-y += drivers/power/ \
 264         drivers/power/fuel_gauge/ \
 265         drivers/power/mfd/ \
 266         drivers/power/pmic/ \
 267         drivers/power/battery/
 268 LIBS-y += drivers/spi/
 269 LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
 270 LIBS-y += drivers/serial/
 271 LIBS-y += drivers/usb/eth/
 272 LIBS-y += drivers/usb/gadget/
 273 LIBS-y += drivers/usb/host/
 274 LIBS-y += drivers/usb/musb/
 275 LIBS-y += drivers/usb/musb-new/
 276 LIBS-y += drivers/usb/phy/
 277 LIBS-y += drivers/usb/ulpi/
 278 LIBS-y += common/
 279 LIBS-y += lib/libfdt/
 280 LIBS-y += api/
 281 LIBS-y += post/
 282 LIBS-y += test/
 283
 284 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
 285 LIBS-y += arch/$(ARCH)/imx-common/
 286 endif
 287
 288 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
 289 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
 290
 291 LIBS-y += board/$(BOARDDIR)/
 292
 293 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
 294 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 295 .PHONY : $(LIBS)
 296
 297 # Add GCC lib
 298 ifdef USE_PRIVATE_LIBGCC
 299 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 300 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 301 else
 302 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 303 endif
 304 else
 305 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 306 endif
 307 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 308 export PLATFORM_LIBS
 309
 310 # Special flags for CPP when processing the linker script.
 311 # Pass the version down so we can handle backwards compatibility
 312 # on the fly.
 313 LDPPFLAGS += \
 314         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 315         -DCPUDIR=$(CPUDIR) \
 316         $(shell $(LD) --version | \
 317           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 318
 319 __OBJS := $(subst $(obj),,$(OBJS))
 320 __LIBS := $(subst $(obj),,$(LIBS))
 321
 322 #########################################################################
 323 #########################################################################
 324
 325 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 326 BOARD_SIZE_CHECK = \
 327         @actual=`wc -c $@ | awk '{print $$1}'`; \
 328         limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
 329         if test $$actual -gt $$limit; then \
 330                 echo "$@ exceeds file size limit:" >&2 ; \
 331                 echo "  limit:  $$limit bytes" >&2 ; \
 332                 echo "  actual: $$actual bytes" >&2 ; \
 333                 echo "  excess: $$((actual - limit)) bytes" >&2; \
 334                 exit 1; \
 335         fi
 336 else
 337 BOARD_SIZE_CHECK =
 338 endif
 339
 340 # Always append ALL so that arch config.mk's can add custom ones
 341 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 342
 343 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 344 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 345 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
 346 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 347 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
 348 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
 349 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 350 ifneq ($(CONFIG_SPL_TARGET),)
 351 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
 352 endif
 353
 354 # enable combined SPL/u-boot/dtb rules for tegra
 355 ifneq ($(CONFIG_TEGRA),)
 356 ifeq ($(CONFIG_OF_SEPARATE),y)
 357 ALL-y += $(obj)u-boot-dtb-tegra.bin
 358 else
 359 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 360 endif
 361 endif
 362
 363 build := -f $(TOPDIR)/scripts/Makefile.build -C
 364
 365 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
 366
 367 $(obj)u-boot.dtb:       checkdtc $(obj)u-boot
 368                 $(MAKE) $(build) dts binary
 369                 mv $(obj)dts/dt.dtb $@
 370
 371 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 372                 cat $^ >$@
 373
 374 $(obj)u-boot.hex:       $(obj)u-boot
 375                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 376
 377 $(obj)u-boot.srec:      $(obj)u-boot
 378                 $(OBJCOPY) -O srec $< $@
 379
 380 $(obj)u-boot.bin:       $(obj)u-boot
 381                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 382                 $(BOARD_SIZE_CHECK)
 383
 384 $(obj)u-boot.ldr:       $(obj)u-boot
 385                 $(CREATE_LDR_ENV)
 386                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 387                 $(BOARD_SIZE_CHECK)
 388
 389 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 390                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 391
 392 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 393                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 394
 395 #
 396 # U-Boot entry point, needed for booting of full-blown U-Boot
 397 # from the SPL U-Boot version.
 398 #
 399 ifndef CONFIG_SYS_UBOOT_START
 400 CONFIG_SYS_UBOOT_START := 0
 401 endif
 402
 403 $(obj)u-boot.img:       $(obj)u-boot.bin
 404                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 405                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
 406                 -e $(CONFIG_SYS_UBOOT_START) \
 407                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 408                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 409                 -d $< $@
 410
 411 $(obj)u-boot.imx: $(obj)u-boot.bin depend
 412                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
 413
 414 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 415                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 416                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 417
 418 $(obj)u-boot.pbl:       $(obj)u-boot.bin
 419                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
 420                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
 421                 -d $< $@
 422
 423 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 424                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 425
 426 $(obj)u-boot.dis:       $(obj)u-boot
 427                 $(OBJDUMP) -d $< > $@
 428
 429 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
 430 # $(4) is pad-to
 431 SPL_PAD_APPEND = \
 432                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
 433                 $(1) $(obj)$(3); \
 434                 cat $(obj)$(3) $(2) > $@; \
 435                 rm $(obj)$(3)
 436
 437 ifdef CONFIG_TPL
 438 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
 439 else
 440 SPL_PAYLOAD := $(obj)u-boot.bin
 441 endif
 442
 443 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
 444                 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
 445
 446 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
 447                 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
 448
 449 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 450                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
 451                         $(OBJTREE)/u-boot-with-spl.imx
 452
 453 $(obj)u-boot-with-nand-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-nand-spl.imx
 456
 457 $(obj)u-boot.ubl:       $(obj)u-boot-with-spl.bin
 458                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 459                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
 460
 461 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 462                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
 463                         -T aisimage \
 464                         -e $(CONFIG_SPL_TEXT_BASE) \
 465                         -d $(obj)spl/u-boot-spl.bin \
 466                         $(obj)spl/u-boot-spl.ais
 467                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 468                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 469                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 470                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
 471                         $(obj)u-boot.ais
 472
 473
 474 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 475                 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
 476
 477 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 478 # Both images are created using mkimage (crc etc), so that the ROM
 479 # bootloader can check its integrity. Padding needs to be done to the
 480 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 481 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 482 # The resulting image containing both U-Boot images is called u-boot.spr
 483 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 484                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 485                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 486                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 487                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 488                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 489                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 490                         conv=notrunc 2>/dev/null
 491                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 492
 493 ifneq ($(CONFIG_TEGRA),)
 494 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 495                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 496                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 497                 rm $(obj)spl/u-boot-spl-pad.bin
 498
 499 ifeq ($(CONFIG_OF_SEPARATE),y)
 500 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
 501                 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
 502 endif
 503 endif
 504
 505 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 506                 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
 507
 508 # PPC4xx needs the SPL at the end of the image, since the reset vector
 509 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
 510 # and need to introduce a new build target with the full blown U-Boot
 511 # at the start padded up to the start of the SPL image. And then concat
 512 # the SPL image to the end.
 513 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 514                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
 515                         of=$(obj)u-boot-pad.img 2>/dev/null
 516                 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
 517                         conv=notrunc 2>/dev/null
 518                 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
 519
 520 ifeq ($(CONFIG_SANDBOX),y)
 521 GEN_UBOOT = \
 522                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 523                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 524                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 525 else
 526 GEN_UBOOT = \
 527                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 528                         $(__OBJS) \
 529                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 530                         -Map u-boot.map -o u-boot
 531 endif
 532
 533 $(obj)u-boot:   depend \
 534                 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 535                 $(GEN_UBOOT)
 536 ifeq ($(CONFIG_KALLSYMS),y)
 537                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
 538                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 539                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 540                         -c common/system_map.c -o $(obj)common/system_map.o
 541                 $(GEN_UBOOT) $(obj)common/system_map.o
 542 endif
 543
 544 $(OBJS):
 545         @:
 546
 547 $(LIBS):        depend $(SUBDIR_TOOLS)
 548                 $(MAKE) $(build) $(dir $(subst $(obj),,$@))
 549
 550 $(SUBDIRS):     depend
 551                 $(MAKE) -C $@ all
 552
 553 $(SUBDIR_EXAMPLES): $(obj)u-boot
 554
 555 $(LDSCRIPT):    depend
 556                 $(MAKE) -C $(dir $@) $(notdir $@)
 557
 558 $(obj)u-boot.lds: $(LDSCRIPT)
 559                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
 560
 561 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 562                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 563
 564 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 565                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 566
 567 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 568                 $(MAKE) -C spl all
 569
 570 $(obj)tpl/u-boot-tpl.bin:       $(SUBDIR_TOOLS) depend
 571                 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
 572
 573 updater:
 574                 $(MAKE) -C tools/updater all
 575
 576 # Explicitly make _depend in subdirs containing multiple targets to prevent
 577 # parallel sub-makes creating .depend files simultaneously.
 578 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 579                 $(obj)include/spl-autoconf.mk \
 580                 $(obj)include/tpl-autoconf.mk \
 581                 $(obj)include/autoconf.mk \
 582                 $(obj)include/generated/generic-asm-offsets.h \
 583                 $(obj)include/generated/asm-offsets.h
 584
 585 TAG_SUBDIRS = $(SUBDIRS)
 586 TAG_SUBDIRS += $(dir $(__LIBS))
 587 TAG_SUBDIRS += include
 588
 589 FIND := find
 590 FINDFLAGS := -L
 591
 592 checkstack:
 593                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 594                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 595                         perl $(src)tools/checkstack.pl $(ARCH)
 596
 597 tags ctags:
 598                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 599                                                 -name '*.[chS]' -print`
 600
 601 etags:
 602                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 603                                                 -name '*.[chS]' -print`
 604 cscope:
 605                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 606                                                 cscope.files
 607                 cscope -b -q -k
 608
 609 SYSTEM_MAP = \
 610                 $(NM) $1 | \
 611                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 612                 LC_ALL=C sort
 613 $(obj)System.map:       $(obj)u-boot
 614                 @$(call SYSTEM_MAP,$<) > $@
 615
 616 checkthumb:
 617         @if test $(call cc-version) -lt 0404; then \
 618                 echo -n '*** Your GCC does not produce working '; \
 619                 echo 'binaries in THUMB mode.'; \
 620                 echo '*** Your board is configured for THUMB mode.'; \
 621                 false; \
 622         fi
 623
 624 # GCC 3.x is reported to have problems generating the type of relocation
 625 # that U-Boot wants.
 626 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
 627 checkgcc4:
 628         @if test $(call cc-version) -lt 0400; then \
 629                 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
 630                 false; \
 631         fi
 632
 633 checkdtc:
 634         @if test $(call dtc-version) -lt 0104; then \
 635                 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
 636                 false; \
 637         fi
 638
 639 #
 640 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 641 #
 642 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 643 # the dep file is only include in this top level makefile to determine when
 644 # to regenerate the autoconf.mk file.
 645 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 646         @$(XECHO) Generating $@ ; \
 647         set -e ; \
 648         : Generate the dependancies ; \
 649         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 650                 -MQ $(obj)include/autoconf.mk include/common.h > $@
 651
 652 $(obj)include/autoconf.mk: $(obj)include/config.h
 653         @$(XECHO) Generating $@ ; \
 654         set -e ; \
 655         : Extract the config macros ; \
 656         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
 657                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 658         mv $@.tmp $@
 659
 660 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
 661 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
 662         @$(XECHO) Generating $@ ; \
 663         set -e ; \
 664         : Extract the config macros ; \
 665         $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD  -DCONFIG_SPL_BUILD\
 666                         -DDO_DEPS_ONLY -dM include/common.h | \
 667         sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 668         mv $@.tmp $@
 669
 670 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
 671         @$(XECHO) Generating $@ ; \
 672         set -e ; \
 673         : Extract the config macros ; \
 674         $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \
 675         sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 676         mv $@.tmp $@
 677
 678 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 679         $(obj)include/spl-autoconf.mk \
 680         $(obj)include/tpl-autoconf.mk \
 681         $(obj)lib/asm-offsets.s
 682         @$(XECHO) Generating $@
 683         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 684
 685 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
 686         $(obj)include/spl-autoconf.mk \
 687         $(obj)include/tpl-autoconf.mk \
 688         $(src)lib/asm-offsets.c
 689         @mkdir -p $(obj)lib
 690         $(CC) -DDO_DEPS_ONLY \
 691                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 692                 -o $@ $(src)lib/asm-offsets.c -c -S
 693
 694 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 695         $(obj)include/spl-autoconf.mk \
 696         $(obj)include/tpl-autoconf.mk \
 697         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 698         @$(XECHO) Generating $@
 699         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 700
 701 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep \
 702         $(obj)include/spl-autoconf.mk \
 703         $(obj)include/tpl-autoconf.mk
 704         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 705         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 706                 $(CC) -DDO_DEPS_ONLY \
 707                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 708                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 709         else \
 710                 touch $@; \
 711         fi
 712
 713 #########################################################################
 714 else    # !config.mk
 715 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 716 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 717 $(filter-out tools,$(SUBDIRS)) \
 718 updater depend dep tags ctags etags cscope $(obj)System.map:
 719         @echo "System not configured - see README" >&2
 720         @ exit 1
 721
 722 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 723         $(MAKE) -C $@ all
 724 endif   # config.mk
 725
 726 # ARM relocations should all be R_ARM_RELATIVE.
 727 checkarmreloc: $(obj)u-boot
 728         @if test "R_ARM_RELATIVE" != \
 729                 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
 730                 then echo "$< contains relocations other than \
 731                 R_ARM_RELATIVE"; false; fi
 732
 733 $(VERSION_FILE):
 734                 @mkdir -p $(dir $(VERSION_FILE))
 735                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
 736                    printf '#define PLAIN_VERSION "%s%s"\n' \
 737                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 738                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 739                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 740                 ) > $@.tmp
 741                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 742                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 743                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 744                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 745                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 746
 747 $(TIMESTAMP_FILE):
 748                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 749                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 750                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 751                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 752
 753 easylogo env gdb:
 754         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 755 gdbtools: gdb
 756
 757 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
 758         $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
 759
 760 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 761         $(MAKE) -C tools HOST_TOOLS_ALL=y
 762
 763 .PHONY : CHANGELOG
 764 CHANGELOG:
 765         git log --no-merges U-Boot-1_1_5.. | \
 766         unexpand -a | sed -e 's/\s\s*$$//' > $@
 767
 768 include/license.h: tools/bin2header COPYING
 769         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 770 #########################################################################
 771
 772 unconfig:
 773         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 774                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 775                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
 776                 $(obj)include/spl-autoconf.mk \
 777                 $(obj)include/tpl-autoconf.mk
 778
 779 %_config::      unconfig
 780         @$(MKCONFIG) -A $(@:_config=)
 781
 782 sinclude $(obj).boards.depend
 783 $(obj).boards.depend:   boards.cfg
 784         @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
 785
 786 #########################################################################
 787 #########################################################################
 788
 789 clean:
 790         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 791                $(obj)examples/standalone/atmel_df_pow2                    \
 792                $(obj)examples/standalone/eepro100_eeprom                  \
 793                $(obj)examples/standalone/hello_world                      \
 794                $(obj)examples/standalone/interrupt                        \
 795                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 796                $(obj)examples/standalone/sched                            \
 797                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 798                $(obj)examples/standalone/test_burst                       \
 799                $(obj)examples/standalone/timer
 800         @rm -f $(obj)examples/api/demo{,.bin}
 801         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 802                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 803                $(obj)tools/envcrc                                         \
 804                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 805                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 806                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 807                $(obj)tools/mk{$(BOARD),}spl                               \
 808                $(obj)tools/mxsboot                                        \
 809                $(obj)tools/ncb             $(obj)tools/ubsha1             \
 810                $(obj)tools/kernel-doc/docproc                             \
 811                $(obj)tools/proftool
 812         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 813                $(obj)board/matrix_vision/*/bootscript.img                 \
 814                $(obj)board/voiceblue/eeprom                               \
 815                $(obj)u-boot.lds                                           \
 816                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
 817                $(obj)arch/blackfin/cpu/init.{lds,elf}
 818         @rm -f $(obj)include/bmp_logo.h
 819         @rm -f $(obj)include/bmp_logo_data.h
 820         @rm -f $(obj)lib/asm-offsets.s
 821         @rm -f $(obj)include/generated/asm-offsets.h
 822         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 823         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 824         @$(MAKE) -s -C doc/DocBook/ cleandocs
 825         @find $(OBJTREE) -type f \
 826                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 827                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \
 828                 -o -name '*.cfgtmp' \) -print \
 829                 | xargs rm -f
 830
 831 # Removes everything not needed for testing u-boot
 832 tidy:   clean
 833         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 834
 835 clobber:        tidy
 836         @find $(OBJTREE) -type f \( -name '*.srec' \
 837                 -o -name '*.bin' -o -name u-boot.img \) \
 838                 -print0 | xargs -0 rm -f
 839         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 840                 $(obj)cscope.* $(obj)*.*~
 841         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 842         @rm -f $(obj)u-boot.kwb
 843         @rm -f $(obj)u-boot.pbl
 844         @rm -f $(obj)u-boot.imx
 845         @rm -f $(obj)u-boot-with-spl.imx
 846         @rm -f $(obj)u-boot-with-nand-spl.imx
 847         @rm -f $(obj)u-boot.ubl
 848         @rm -f $(obj)u-boot.ais
 849         @rm -f $(obj)u-boot.dtb
 850         @rm -f $(obj)u-boot.sb
 851         @rm -f $(obj)u-boot.bd
 852         @rm -f $(obj)u-boot.spr
 853         @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
 854         @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
 855         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
 856         @rm -f $(obj)spl/u-boot-spl.lds
 857         @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
 858         @rm -f $(obj)tpl/u-boot-spl.lds
 859         @rm -f $(obj)MLO MLO.byteswap
 860         @rm -f $(obj)SPL
 861         @rm -f $(obj)tools/xway-swap-bytes
 862         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 863         @rm -fr $(obj)include/generated
 864         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 865         @rm -f $(obj)dts/*.tmp
 866         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
 867
 868 mrproper \
 869 distclean:      clobber unconfig
 870 ifneq ($(OBJTREE),$(SRCTREE))
 871         rm -rf $(obj)*
 872 endif
 873
 874 backup:
 875         F=`basename $(TOPDIR)` ; cd .. ; \
 876         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 877
 878 #########################################################################