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 = 2014
   9 PATCHLEVEL = 01
  10 SUBLEVEL =
  11 EXTRAVERSION = -rc1
  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 # $(obj) and (src) are defined in config.mk but here in main Makefile
 113 # we also need them before config.mk is included which is the case for
 114 # some targets like unconfig, clean, clobber, distclean, etc.
 115 ifneq ($(OBJTREE),$(SRCTREE))
 116 obj := $(OBJTREE)/
 117 src := $(SRCTREE)/
 118 else
 119 obj :=
 120 src :=
 121 endif
 122 export obj src
 123
 124 # Make sure CDPATH settings don't interfere
 125 unexport CDPATH
 126
 127 #########################################################################
 128
 129 # The "tools" are needed early, so put this first
 130 # Don't include stuff already done in $(LIBS)
 131 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
 132 # is "yes"), so compile examples after U-Boot is compiled.
 133 SUBDIR_TOOLS = tools
 134 SUBDIRS = $(SUBDIR_TOOLS)
 135
 136 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
 137
 138 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
 139
 140 # Include autoconf.mk before config.mk so that the config options are available
 141 # to all top level build files.  We need the dummy all: target to prevent the
 142 # dependency target in autoconf.mk.dep from being the default.
 143 all:
 144 sinclude $(obj)include/autoconf.mk.dep
 145 sinclude $(obj)include/autoconf.mk
 146
 147 SUBDIR_EXAMPLES-y := examples/standalone
 148 SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api
 149 ifndef CONFIG_SANDBOX
 150 SUBDIRS += $(SUBDIR_EXAMPLES-y)
 151 endif
 152
 153 # load ARCH, BOARD, and CPU configuration
 154 include $(obj)include/config.mk
 155 export  ARCH CPU BOARD VENDOR SOC
 156
 157 # set default to nothing for native builds
 158 ifeq ($(HOSTARCH),$(ARCH))
 159 CROSS_COMPILE ?=
 160 endif
 161
 162 # load other configuration
 163 include $(TOPDIR)/config.mk
 164
 165 # Targets which don't build the source code
 166 NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig
 167
 168 # Only do the generic board check when actually building, not configuring
 169 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
 170 ifeq ($(findstring _config,$(MAKECMDGOALS)),)
 171 $(CHECK_GENERIC_BOARD)
 172 endif
 173 endif
 174
 175 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 176 # that (or fail if absent).  Otherwise, search for a linker script in a
 177 # standard location.
 178
 179 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
 180
 181 ifndef LDSCRIPT
 182         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
 183         ifdef CONFIG_SYS_LDSCRIPT
 184                 # need to strip off double quotes
 185                 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%)
 186         endif
 187 endif
 188
 189 # If there is no specified link script, we look in a number of places for it
 190 ifndef LDSCRIPT
 191         ifeq ($(CONFIG_NAND_U_BOOT),y)
 192                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
 193                 ifeq ($(wildcard $(LDSCRIPT)),)
 194                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 195                 endif
 196         endif
 197         ifeq ($(wildcard $(LDSCRIPT)),)
 198                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
 199         endif
 200         ifeq ($(wildcard $(LDSCRIPT)),)
 201                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
 202         endif
 203         ifeq ($(wildcard $(LDSCRIPT)),)
 204                 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
 205                 # We don't expect a Makefile here
 206                 LDSCRIPT_MAKEFILE_DIR =
 207         endif
 208         ifeq ($(wildcard $(LDSCRIPT)),)
 209 $(error could not find linker script)
 210         endif
 211 endif
 212
 213 #########################################################################
 214 # U-Boot objects....order is important (i.e. start must be first)
 215
 216 OBJS  = $(CPUDIR)/start.o
 217 ifeq ($(CPU),ppc4xx)
 218 OBJS += $(CPUDIR)/resetvec.o
 219 endif
 220 ifeq ($(CPU),mpc85xx)
 221 OBJS += $(CPUDIR)/resetvec.o
 222 endif
 223
 224 OBJS := $(addprefix $(obj),$(OBJS))
 225
 226 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
 227
 228 LIBS-y += lib/
 229 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
 230 LIBS-y += $(CPUDIR)/
 231 ifdef SOC
 232 LIBS-y += $(CPUDIR)/$(SOC)/
 233 endif
 234 LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
 235 LIBS-$(CONFIG_OF_EMBED) += dts/
 236 LIBS-y += arch/$(ARCH)/lib/
 237 LIBS-y += fs/
 238 LIBS-y += net/
 239 LIBS-y += disk/
 240 LIBS-y += drivers/
 241 LIBS-y += drivers/dma/
 242 LIBS-y += drivers/gpio/
 243 LIBS-y += drivers/i2c/
 244 LIBS-y += drivers/input/
 245 LIBS-y += drivers/mmc/
 246 LIBS-y += drivers/mtd/
 247 LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
 248 LIBS-y += drivers/mtd/onenand/
 249 LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
 250 LIBS-y += drivers/mtd/spi/
 251 LIBS-y += drivers/net/
 252 LIBS-y += drivers/net/phy/
 253 LIBS-y += drivers/pci/
 254 LIBS-y += drivers/power/ \
 255         drivers/power/fuel_gauge/ \
 256         drivers/power/mfd/ \
 257         drivers/power/pmic/ \
 258         drivers/power/battery/
 259 LIBS-y += drivers/spi/
 260 LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
 261 LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
 262 LIBS-y += drivers/serial/
 263 LIBS-y += drivers/usb/eth/
 264 LIBS-y += drivers/usb/gadget/
 265 LIBS-y += drivers/usb/host/
 266 LIBS-y += drivers/usb/musb/
 267 LIBS-y += drivers/usb/musb-new/
 268 LIBS-y += drivers/usb/phy/
 269 LIBS-y += drivers/usb/ulpi/
 270 LIBS-y += common/
 271 LIBS-y += lib/libfdt/
 272 LIBS-$(CONFIG_API) += api/
 273 LIBS-$(CONFIG_HAS_POST) += post/
 274 LIBS-y += test/
 275
 276 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
 277 LIBS-y += arch/$(ARCH)/imx-common/
 278 endif
 279
 280 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
 281 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
 282
 283 LIBS-y += board/$(BOARDDIR)/
 284
 285 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
 286 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 287 .PHONY : $(LIBS)
 288
 289 # Add GCC lib
 290 ifdef USE_PRIVATE_LIBGCC
 291 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 292 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 293 else
 294 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 295 endif
 296 else
 297 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 298 endif
 299 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 300 export PLATFORM_LIBS
 301
 302 # Special flags for CPP when processing the linker script.
 303 # Pass the version down so we can handle backwards compatibility
 304 # on the fly.
 305 LDPPFLAGS += \
 306         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 307         -DCPUDIR=$(CPUDIR) \
 308         $(shell $(LD) --version | \
 309           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 310
 311 __OBJS := $(subst $(obj),,$(OBJS))
 312 __LIBS := $(subst $(obj),,$(LIBS))
 313
 314 #########################################################################
 315 #########################################################################
 316
 317 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 318 BOARD_SIZE_CHECK = \
 319         @actual=`wc -c $@ | awk '{print $$1}'`; \
 320         limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
 321         if test $$actual -gt $$limit; then \
 322                 echo "$@ exceeds file size limit:" >&2 ; \
 323                 echo "  limit:  $$limit bytes" >&2 ; \
 324                 echo "  actual: $$actual bytes" >&2 ; \
 325                 echo "  excess: $$((actual - limit)) bytes" >&2; \
 326                 exit 1; \
 327         fi
 328 else
 329 BOARD_SIZE_CHECK =
 330 endif
 331
 332 # Always append ALL so that arch config.mk's can add custom ones
 333 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 334
 335 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 336 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 337 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
 338 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 339 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
 340 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
 341 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 342 ifneq ($(CONFIG_SPL_TARGET),)
 343 ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%)
 344 endif
 345
 346 # enable combined SPL/u-boot/dtb rules for tegra
 347 ifneq ($(CONFIG_TEGRA),)
 348 ifeq ($(CONFIG_OF_SEPARATE),y)
 349 ALL-y += $(obj)u-boot-dtb-tegra.bin
 350 else
 351 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 352 endif
 353 endif
 354
 355 build := -f $(TOPDIR)/scripts/Makefile.build -C
 356
 357 all:            $(ALL-y) $(SUBDIR_EXAMPLES-y)
 358
 359 $(obj)u-boot.dtb:       checkdtc $(obj)u-boot
 360                 $(MAKE) $(build) dts binary
 361                 mv $(obj)dts/dt.dtb $@
 362
 363 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 364                 cat $^ >$@
 365
 366 $(obj)u-boot.hex:       $(obj)u-boot
 367                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 368
 369 $(obj)u-boot.srec:      $(obj)u-boot
 370                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
 371
 372 $(obj)u-boot.bin:       $(obj)u-boot
 373                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 374                 $(BOARD_SIZE_CHECK)
 375
 376 $(obj)u-boot.ldr:       $(obj)u-boot
 377                 $(CREATE_LDR_ENV)
 378                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 379                 $(BOARD_SIZE_CHECK)
 380
 381 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 382                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 383
 384 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 385                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 386
 387 #
 388 # U-Boot entry point, needed for booting of full-blown U-Boot
 389 # from the SPL U-Boot version.
 390 #
 391 ifndef CONFIG_SYS_UBOOT_START
 392 CONFIG_SYS_UBOOT_START := 0
 393 endif
 394
 395 $(obj)u-boot.img:       $(obj)u-boot.bin
 396                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 397                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
 398                 -e $(CONFIG_SYS_UBOOT_START) \
 399                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 400                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 401                 -d $< $@
 402
 403 $(obj)u-boot.imx: $(obj)u-boot.bin depend
 404                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
 405
 406 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 407                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 408                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 409
 410 $(obj)u-boot.pbl:       $(obj)u-boot.bin
 411                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
 412                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
 413                 -d $< $@
 414
 415 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 416                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 417
 418 $(obj)u-boot.dis:       $(obj)u-boot
 419                 $(OBJDUMP) -d $< > $@
 420
 421 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
 422 # $(4) is pad-to
 423 SPL_PAD_APPEND = \
 424                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
 425                 $(1) $(obj)$(3); \
 426                 cat $(obj)$(3) $(2) > $@; \
 427                 rm $(obj)$(3)
 428
 429 ifdef CONFIG_TPL
 430 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
 431 else
 432 SPL_PAYLOAD := $(obj)u-boot.bin
 433 endif
 434
 435 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
 436                 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
 437
 438 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
 439                 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
 440
 441 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 442                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
 443                         $(OBJTREE)/u-boot-with-spl.imx
 444
 445 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 446                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
 447                         $(OBJTREE)/u-boot-with-nand-spl.imx
 448
 449 $(obj)u-boot.ubl:       $(obj)u-boot-with-spl.bin
 450                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 451                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
 452
 453 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 454                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
 455                         -T aisimage \
 456                         -e $(CONFIG_SPL_TEXT_BASE) \
 457                         -d $(obj)spl/u-boot-spl.bin \
 458                         $(obj)spl/u-boot-spl.ais
 459                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 460                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 461                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 462                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
 463                         $(obj)u-boot.ais
 464
 465
 466 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 467                 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
 468
 469 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 470 # Both images are created using mkimage (crc etc), so that the ROM
 471 # bootloader can check its integrity. Padding needs to be done to the
 472 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 473 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 474 # The resulting image containing both U-Boot images is called u-boot.spr
 475 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 476                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 477                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 478                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 479                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 480                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 481                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 482                         conv=notrunc 2>/dev/null
 483                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 484
 485 ifneq ($(CONFIG_TEGRA),)
 486 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 487                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 488                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 489                 rm $(obj)spl/u-boot-spl-pad.bin
 490
 491 ifeq ($(CONFIG_OF_SEPARATE),y)
 492 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
 493                 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
 494 endif
 495 endif
 496
 497 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 498                 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
 499
 500 # PPC4xx needs the SPL at the end of the image, since the reset vector
 501 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
 502 # and need to introduce a new build target with the full blown U-Boot
 503 # at the start padded up to the start of the SPL image. And then concat
 504 # the SPL image to the end.
 505 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 506                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
 507                         of=$(obj)u-boot-pad.img 2>/dev/null
 508                 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
 509                         conv=notrunc 2>/dev/null
 510                 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
 511
 512 ifeq ($(CONFIG_SANDBOX),y)
 513 GEN_UBOOT = \
 514                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 515                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 516                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 517 else
 518 GEN_UBOOT = \
 519                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 520                         $(__OBJS) \
 521                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 522                         -Map u-boot.map -o u-boot
 523 endif
 524
 525 $(obj)u-boot:   depend \
 526                 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds
 527                 $(GEN_UBOOT)
 528 ifeq ($(CONFIG_KALLSYMS),y)
 529                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
 530                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 531                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 532                         -c common/system_map.c -o $(obj)common/system_map.o
 533                 $(GEN_UBOOT) $(obj)common/system_map.o
 534 endif
 535
 536 $(OBJS):
 537         @:
 538
 539 $(LIBS):        depend $(SUBDIR_TOOLS)
 540                 $(MAKE) $(build) $(dir $(subst $(obj),,$@))
 541
 542 $(SUBDIRS):     depend
 543                 $(MAKE) -C $@ all
 544
 545 $(SUBDIR_EXAMPLES-y): $(obj)u-boot
 546
 547 $(obj)u-boot.lds: $(LDSCRIPT) depend
 548                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
 549
 550 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 551                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 552
 553 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 554                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 555
 556 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 557                 $(MAKE) -C spl all
 558
 559 $(obj)tpl/u-boot-tpl.bin:       $(SUBDIR_TOOLS) depend
 560                 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
 561
 562 # Explicitly make _depend in subdirs containing multiple targets to prevent
 563 # parallel sub-makes creating .depend files simultaneously.
 564 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 565                 $(obj)include/spl-autoconf.mk \
 566                 $(obj)include/tpl-autoconf.mk \
 567                 $(obj)include/autoconf.mk \
 568                 $(obj)include/generated/generic-asm-offsets.h \
 569                 $(obj)include/generated/asm-offsets.h
 570
 571 TAG_SUBDIRS = $(SUBDIRS)
 572 TAG_SUBDIRS += $(dir $(__LIBS))
 573 TAG_SUBDIRS += include
 574
 575 FIND := find
 576 FINDFLAGS := -L
 577
 578 checkstack:
 579                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 580                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 581                         perl $(src)scripts/checkstack.pl $(ARCH)
 582
 583 tags ctags:
 584                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 585                                                 -name '*.[chS]' -print`
 586
 587 etags:
 588                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 589                                                 -name '*.[chS]' -print`
 590 cscope:
 591                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 592                                                 cscope.files
 593                 cscope -b -q -k
 594
 595 SYSTEM_MAP = \
 596                 $(NM) $1 | \
 597                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 598                 LC_ALL=C sort
 599 $(obj)System.map:       $(obj)u-boot
 600                 @$(call SYSTEM_MAP,$<) > $@
 601
 602 checkthumb:
 603         @if test $(call cc-version) -lt 0404; then \
 604                 echo -n '*** Your GCC does not produce working '; \
 605                 echo 'binaries in THUMB mode.'; \
 606                 echo '*** Your board is configured for THUMB mode.'; \
 607                 false; \
 608         fi
 609
 610 # GCC 3.x is reported to have problems generating the type of relocation
 611 # that U-Boot wants.
 612 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
 613 checkgcc4:
 614         @if test $(call cc-version) -lt 0400; then \
 615                 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
 616                 false; \
 617         fi
 618
 619 checkdtc:
 620         @if test $(call dtc-version) -lt 0104; then \
 621                 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
 622                 false; \
 623         fi
 624
 625 #
 626 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 627 #
 628 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 629 # the dep file is only include in this top level makefile to determine when
 630 # to regenerate the autoconf.mk file.
 631 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 632         @$(XECHO) Generating $@ ; \
 633         : Generate the dependancies ; \
 634         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 635                 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \
 636                 rm $@
 637
 638 $(obj)include/autoconf.mk: $(obj)include/config.h
 639         @$(XECHO) Generating $@ ; \
 640         : Extract the config macros ; \
 641         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
 642                 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
 643         rm $@.tmp
 644
 645 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
 646 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
 647         @$(XECHO) Generating $@ ; \
 648         : Extract the config macros ; \
 649         $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD  -DCONFIG_SPL_BUILD\
 650                         -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
 651                 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
 652         rm $@.tmp
 653
 654 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
 655         @$(XECHO) Generating $@ ; \
 656         : Extract the config macros ; \
 657         $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
 658                 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
 659         rm $@.tmp
 660
 661 $(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s
 662         @$(XECHO) Generating $@
 663         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 664
 665 $(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c
 666         @mkdir -p $(obj)lib
 667         $(CC) -DDO_DEPS_ONLY \
 668                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 669                 -o $@ $(src)lib/asm-offsets.c -c -S
 670
 671 $(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 672         @$(XECHO) Generating $@
 673         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 674
 675 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h
 676         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 677         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 678                 $(CC) -DDO_DEPS_ONLY \
 679                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 680                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 681         else \
 682                 touch $@; \
 683         fi
 684
 685 #########################################################################
 686 else    # !config.mk
 687 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 688 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 689 $(filter-out tools,$(SUBDIRS)) \
 690 depend dep tags ctags etags cscope $(obj)System.map:
 691         @echo "System not configured - see README" >&2
 692         @ exit 1
 693
 694 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 695         $(MAKE) -C $@ all
 696 endif   # config.mk
 697
 698 # ARM relocations should all be R_ARM_RELATIVE.
 699 checkarmreloc: $(obj)u-boot
 700         @if test "R_ARM_RELATIVE" != \
 701                 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
 702                 then echo "$< contains relocations other than \
 703                 R_ARM_RELATIVE"; false; fi
 704
 705 $(VERSION_FILE):
 706                 @mkdir -p $(dir $(VERSION_FILE))
 707                 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
 708                    printf '#define PLAIN_VERSION "%s%s"\n' \
 709                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 710                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 711                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 712                 ) > $@.tmp
 713                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 714                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 715                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 716                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 717                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 718
 719 $(TIMESTAMP_FILE):
 720                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 721                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 722                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 723                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 724
 725 easylogo env gdb:
 726         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 727 gdbtools: gdb
 728
 729 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
 730         $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
 731
 732 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 733         $(MAKE) -C tools HOST_TOOLS_ALL=y
 734
 735 .PHONY : CHANGELOG
 736 CHANGELOG:
 737         git log --no-merges U-Boot-1_1_5.. | \
 738         unexpand -a | sed -e 's/\s\s*$$//' > $@
 739
 740 include/license.h: tools/bin2header COPYING
 741         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 742 #########################################################################
 743
 744 unconfig:
 745         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 746                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 747                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
 748                 $(obj)include/spl-autoconf.mk \
 749                 $(obj)include/tpl-autoconf.mk
 750
 751 %_config::      unconfig
 752         @$(MKCONFIG) -A $(@:_config=)
 753
 754 sinclude $(obj).boards.depend
 755 $(obj).boards.depend:   boards.cfg
 756         @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
 757
 758 #########################################################################
 759 #########################################################################
 760
 761 clean:
 762         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 763                $(obj)examples/standalone/atmel_df_pow2                    \
 764                $(obj)examples/standalone/eepro100_eeprom                  \
 765                $(obj)examples/standalone/hello_world                      \
 766                $(obj)examples/standalone/interrupt                        \
 767                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 768                $(obj)examples/standalone/sched                            \
 769                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 770                $(obj)examples/standalone/test_burst                       \
 771                $(obj)examples/standalone/timer
 772         @rm -f $(obj)examples/api/demo{,.bin}
 773         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 774                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 775                $(obj)tools/envcrc                                         \
 776                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 777                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 778                $(obj)tools/dump{env,}image                \
 779                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 780                $(obj)tools/mk{$(BOARD),}spl                               \
 781                $(obj)tools/mxsboot                                        \
 782                $(obj)tools/ncb             $(obj)tools/ubsha1             \
 783                $(obj)tools/kernel-doc/docproc                             \
 784                $(obj)tools/proftool
 785         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 786                $(obj)board/matrix_vision/*/bootscript.img                 \
 787                $(obj)board/voiceblue/eeprom                               \
 788                $(obj)u-boot.lds                                           \
 789                $(obj)arch/blackfin/cpu/init.{lds,elf}
 790         @rm -f $(obj)include/bmp_logo.h
 791         @rm -f $(obj)include/bmp_logo_data.h
 792         @rm -f $(obj)lib/asm-offsets.s
 793         @rm -f $(obj)include/generated/asm-offsets.h
 794         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 795         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 796         @$(MAKE) -s -C doc/DocBook/ cleandocs
 797         @find $(OBJTREE) -type f \
 798                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 799                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \
 800                 -o -name '*.cfgtmp' \) -print \
 801                 | xargs rm -f
 802
 803 # Removes everything not needed for testing u-boot
 804 tidy:   clean
 805         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 806
 807 clobber:        tidy
 808         @find $(OBJTREE) -type f \( -name '*.srec' \
 809                 -o -name '*.bin' -o -name u-boot.img \) \
 810                 -print0 | xargs -0 rm -f
 811         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 812                 $(obj)cscope.* $(obj)*.*~
 813         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 814         @rm -f $(obj)u-boot.kwb
 815         @rm -f $(obj)u-boot.pbl
 816         @rm -f $(obj)u-boot.imx
 817         @rm -f $(obj)u-boot-with-spl.imx
 818         @rm -f $(obj)u-boot-with-nand-spl.imx
 819         @rm -f $(obj)u-boot.ubl
 820         @rm -f $(obj)u-boot.ais
 821         @rm -f $(obj)u-boot.dtb
 822         @rm -f $(obj)u-boot.sb
 823         @rm -f $(obj)u-boot.bd
 824         @rm -f $(obj)u-boot.spr
 825         @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
 826         @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
 827         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
 828         @rm -f $(obj)spl/u-boot-spl.lds
 829         @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
 830         @rm -f $(obj)tpl/u-boot-spl.lds
 831         @rm -f $(obj)MLO MLO.byteswap
 832         @rm -f $(obj)SPL
 833         @rm -f $(obj)tools/xway-swap-bytes
 834         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 835         @rm -fr $(obj)include/generated
 836         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 837         @rm -f $(obj)dts/*.tmp
 838         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
 839
 840 mrproper \
 841 distclean:      clobber unconfig
 842 ifneq ($(OBJTREE),$(SRCTREE))
 843         rm -rf $(obj)*
 844 endif
 845
 846 backup:
 847         F=`basename $(TOPDIR)` ; cd .. ; \
 848         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 849
 850 #########################################################################