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 head-y := $(CPUDIR)/start.o
 217 head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o
 218 head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o
 219
 220 OBJS := $(addprefix $(obj),$(head-y))
 221
 222 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
 223
 224 LIBS-y += lib/
 225 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
 226 LIBS-y += $(CPUDIR)/
 227 ifdef SOC
 228 LIBS-y += $(CPUDIR)/$(SOC)/
 229 endif
 230 LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
 231 LIBS-$(CONFIG_OF_EMBED) += dts/
 232 LIBS-y += arch/$(ARCH)/lib/
 233 LIBS-y += fs/
 234 LIBS-y += net/
 235 LIBS-y += disk/
 236 LIBS-y += drivers/
 237 LIBS-y += drivers/dma/
 238 LIBS-y += drivers/gpio/
 239 LIBS-y += drivers/i2c/
 240 LIBS-y += drivers/input/
 241 LIBS-y += drivers/mmc/
 242 LIBS-y += drivers/mtd/
 243 LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
 244 LIBS-y += drivers/mtd/onenand/
 245 LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
 246 LIBS-y += drivers/mtd/spi/
 247 LIBS-y += drivers/net/
 248 LIBS-y += drivers/net/phy/
 249 LIBS-y += drivers/pci/
 250 LIBS-y += drivers/power/ \
 251         drivers/power/fuel_gauge/ \
 252         drivers/power/mfd/ \
 253         drivers/power/pmic/ \
 254         drivers/power/battery/
 255 LIBS-y += drivers/spi/
 256 LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
 257 LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
 258 LIBS-y += drivers/serial/
 259 LIBS-y += drivers/usb/eth/
 260 LIBS-y += drivers/usb/gadget/
 261 LIBS-y += drivers/usb/host/
 262 LIBS-y += drivers/usb/musb/
 263 LIBS-y += drivers/usb/musb-new/
 264 LIBS-y += drivers/usb/phy/
 265 LIBS-y += drivers/usb/ulpi/
 266 LIBS-y += common/
 267 LIBS-y += lib/libfdt/
 268 LIBS-$(CONFIG_API) += api/
 269 LIBS-$(CONFIG_HAS_POST) += post/
 270 LIBS-y += test/
 271
 272 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
 273 LIBS-y += arch/$(ARCH)/imx-common/
 274 endif
 275
 276 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
 277 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
 278
 279 LIBS-y += board/$(BOARDDIR)/
 280
 281 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
 282 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 283 .PHONY : $(LIBS)
 284
 285 # Add GCC lib
 286 ifdef USE_PRIVATE_LIBGCC
 287 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 288 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 289 else
 290 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 291 endif
 292 else
 293 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 294 endif
 295 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 296 export PLATFORM_LIBS
 297
 298 # Special flags for CPP when processing the linker script.
 299 # Pass the version down so we can handle backwards compatibility
 300 # on the fly.
 301 LDPPFLAGS += \
 302         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 303         -DCPUDIR=$(CPUDIR) \
 304         $(shell $(LD) --version | \
 305           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 306
 307 __OBJS := $(subst $(obj),,$(OBJS))
 308 __LIBS := $(subst $(obj),,$(LIBS))
 309
 310 #########################################################################
 311 #########################################################################
 312
 313 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 314 BOARD_SIZE_CHECK = \
 315         @actual=`wc -c $@ | awk '{print $$1}'`; \
 316         limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
 317         if test $$actual -gt $$limit; then \
 318                 echo "$@ exceeds file size limit:" >&2 ; \
 319                 echo "  limit:  $$limit bytes" >&2 ; \
 320                 echo "  actual: $$actual bytes" >&2 ; \
 321                 echo "  excess: $$((actual - limit)) bytes" >&2; \
 322                 exit 1; \
 323         fi
 324 else
 325 BOARD_SIZE_CHECK =
 326 endif
 327
 328 # Always append ALL so that arch config.mk's can add custom ones
 329 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 330
 331 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 332 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 333 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
 334 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 335 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
 336 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
 337 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 338 ifneq ($(CONFIG_SPL_TARGET),)
 339 ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%)
 340 endif
 341
 342 # enable combined SPL/u-boot/dtb rules for tegra
 343 ifneq ($(CONFIG_TEGRA),)
 344 ifeq ($(CONFIG_OF_SEPARATE),y)
 345 ALL-y += $(obj)u-boot-dtb-tegra.bin
 346 else
 347 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 348 endif
 349 endif
 350
 351 build := -f $(TOPDIR)/scripts/Makefile.build -C
 352
 353 all:            $(ALL-y) $(SUBDIR_EXAMPLES-y)
 354
 355 $(obj)u-boot.dtb:       checkdtc $(obj)u-boot
 356                 $(MAKE) $(build) dts binary
 357                 mv $(obj)dts/dt.dtb $@
 358
 359 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 360                 cat $^ >$@
 361
 362 $(obj)u-boot.hex:       $(obj)u-boot
 363                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 364
 365 $(obj)u-boot.srec:      $(obj)u-boot
 366                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
 367
 368 $(obj)u-boot.bin:       $(obj)u-boot
 369                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 370                 $(BOARD_SIZE_CHECK)
 371
 372 $(obj)u-boot.ldr:       $(obj)u-boot
 373                 $(CREATE_LDR_ENV)
 374                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 375                 $(BOARD_SIZE_CHECK)
 376
 377 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 378                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 379
 380 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 381                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 382
 383 #
 384 # U-Boot entry point, needed for booting of full-blown U-Boot
 385 # from the SPL U-Boot version.
 386 #
 387 ifndef CONFIG_SYS_UBOOT_START
 388 CONFIG_SYS_UBOOT_START := 0
 389 endif
 390
 391 $(obj)u-boot.img:       $(obj)u-boot.bin
 392                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 393                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
 394                 -e $(CONFIG_SYS_UBOOT_START) \
 395                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 396                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 397                 -d $< $@
 398
 399 $(obj)u-boot.imx: $(obj)u-boot.bin depend
 400                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
 401
 402 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 403                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 404                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 405
 406 $(obj)u-boot.pbl:       $(obj)u-boot.bin
 407                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
 408                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
 409                 -d $< $@
 410
 411 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 412                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 413
 414 $(obj)u-boot.dis:       $(obj)u-boot
 415                 $(OBJDUMP) -d $< > $@
 416
 417 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
 418 # $(4) is pad-to
 419 SPL_PAD_APPEND = \
 420                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
 421                 $(1) $(obj)$(3); \
 422                 cat $(obj)$(3) $(2) > $@; \
 423                 rm $(obj)$(3)
 424
 425 ifdef CONFIG_TPL
 426 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
 427 else
 428 SPL_PAYLOAD := $(obj)u-boot.bin
 429 endif
 430
 431 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
 432                 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
 433
 434 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
 435                 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
 436
 437 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 438                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
 439                         $(OBJTREE)/u-boot-with-spl.imx
 440
 441 $(obj)u-boot-with-nand-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-nand-spl.imx
 444
 445 $(obj)u-boot.ubl:       $(obj)u-boot-with-spl.bin
 446                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 447                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
 448
 449 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 450                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
 451                         -T aisimage \
 452                         -e $(CONFIG_SPL_TEXT_BASE) \
 453                         -d $(obj)spl/u-boot-spl.bin \
 454                         $(obj)spl/u-boot-spl.ais
 455                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 456                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 457                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 458                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
 459                         $(obj)u-boot.ais
 460
 461
 462 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 463                 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
 464
 465 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 466 # Both images are created using mkimage (crc etc), so that the ROM
 467 # bootloader can check its integrity. Padding needs to be done to the
 468 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 469 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 470 # The resulting image containing both U-Boot images is called u-boot.spr
 471 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 472                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 473                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 474                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 475                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 476                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 477                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 478                         conv=notrunc 2>/dev/null
 479                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 480
 481 ifneq ($(CONFIG_TEGRA),)
 482 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 483                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 484                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 485                 rm $(obj)spl/u-boot-spl-pad.bin
 486
 487 ifeq ($(CONFIG_OF_SEPARATE),y)
 488 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
 489                 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
 490 endif
 491 endif
 492
 493 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 494                 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
 495
 496 # PPC4xx needs the SPL at the end of the image, since the reset vector
 497 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
 498 # and need to introduce a new build target with the full blown U-Boot
 499 # at the start padded up to the start of the SPL image. And then concat
 500 # the SPL image to the end.
 501 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 502                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
 503                         of=$(obj)u-boot-pad.img 2>/dev/null
 504                 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
 505                         conv=notrunc 2>/dev/null
 506                 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
 507
 508 ifeq ($(CONFIG_SANDBOX),y)
 509 GEN_UBOOT = \
 510                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 511                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 512                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 513 else
 514 GEN_UBOOT = \
 515                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 516                         $(__OBJS) \
 517                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 518                         -Map u-boot.map -o u-boot
 519 endif
 520
 521 $(obj)u-boot:   depend \
 522                 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds
 523                 $(GEN_UBOOT)
 524 ifeq ($(CONFIG_KALLSYMS),y)
 525                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
 526                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 527                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 528                         -c common/system_map.c -o $(obj)common/system_map.o
 529                 $(GEN_UBOOT) $(obj)common/system_map.o
 530 endif
 531
 532 $(OBJS):
 533         @:
 534
 535 $(LIBS):        depend $(SUBDIR_TOOLS)
 536                 $(MAKE) $(build) $(dir $(subst $(obj),,$@))
 537
 538 $(SUBDIRS):     depend
 539                 $(MAKE) -C $@ all
 540
 541 $(SUBDIR_EXAMPLES-y): $(obj)u-boot
 542
 543 $(obj)u-boot.lds: $(LDSCRIPT) depend
 544                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
 545
 546 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 547                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 548
 549 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 550                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 551
 552 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 553                 $(MAKE) -C spl all
 554
 555 $(obj)tpl/u-boot-tpl.bin:       $(SUBDIR_TOOLS) depend
 556                 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
 557
 558 # Explicitly make _depend in subdirs containing multiple targets to prevent
 559 # parallel sub-makes creating .depend files simultaneously.
 560 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 561                 $(obj)include/spl-autoconf.mk \
 562                 $(obj)include/tpl-autoconf.mk \
 563                 $(obj)include/autoconf.mk \
 564                 $(obj)include/generated/generic-asm-offsets.h \
 565                 $(obj)include/generated/asm-offsets.h
 566
 567 TAG_SUBDIRS = $(SUBDIRS)
 568 TAG_SUBDIRS += $(dir $(__LIBS))
 569 TAG_SUBDIRS += include
 570
 571 FIND := find
 572 FINDFLAGS := -L
 573
 574 checkstack:
 575                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 576                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 577                         perl $(src)scripts/checkstack.pl $(ARCH)
 578
 579 tags ctags:
 580                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 581                                                 -name '*.[chS]' -print`
 582
 583 etags:
 584                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 585                                                 -name '*.[chS]' -print`
 586 cscope:
 587                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 588                                                 cscope.files
 589                 cscope -b -q -k
 590
 591 SYSTEM_MAP = \
 592                 $(NM) $1 | \
 593                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 594                 LC_ALL=C sort
 595 $(obj)System.map:       $(obj)u-boot
 596                 @$(call SYSTEM_MAP,$<) > $@
 597
 598 checkthumb:
 599         @if test $(call cc-version) -lt 0404; then \
 600                 echo -n '*** Your GCC does not produce working '; \
 601                 echo 'binaries in THUMB mode.'; \
 602                 echo '*** Your board is configured for THUMB mode.'; \
 603                 false; \
 604         fi
 605
 606 # GCC 3.x is reported to have problems generating the type of relocation
 607 # that U-Boot wants.
 608 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
 609 checkgcc4:
 610         @if test $(call cc-version) -lt 0400; then \
 611                 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
 612                 false; \
 613         fi
 614
 615 checkdtc:
 616         @if test $(call dtc-version) -lt 0104; then \
 617                 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
 618                 false; \
 619         fi
 620
 621 #
 622 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 623 #
 624 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 625 # the dep file is only include in this top level makefile to determine when
 626 # to regenerate the autoconf.mk file.
 627 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 628         @$(XECHO) Generating $@ ; \
 629         : Generate the dependancies ; \
 630         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 631                 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \
 632                 rm $@
 633
 634 $(obj)include/autoconf.mk: $(obj)include/config.h
 635         @$(XECHO) Generating $@ ; \
 636         : Extract the config macros ; \
 637         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
 638                 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
 639         rm $@.tmp
 640
 641 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
 642 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
 643         @$(XECHO) Generating $@ ; \
 644         : Extract the config macros ; \
 645         $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD  -DCONFIG_SPL_BUILD\
 646                         -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
 647                 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
 648         rm $@.tmp
 649
 650 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
 651         @$(XECHO) Generating $@ ; \
 652         : Extract the config macros ; \
 653         $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
 654                 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
 655         rm $@.tmp
 656
 657 $(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s
 658         @$(XECHO) Generating $@
 659         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 660
 661 $(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c
 662         @mkdir -p $(obj)lib
 663         $(CC) -DDO_DEPS_ONLY \
 664                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 665                 -o $@ $(src)lib/asm-offsets.c -c -S
 666
 667 $(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 668         @$(XECHO) Generating $@
 669         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 670
 671 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h
 672         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 673         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 674                 $(CC) -DDO_DEPS_ONLY \
 675                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 676                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 677         else \
 678                 touch $@; \
 679         fi
 680
 681 #########################################################################
 682 else    # !config.mk
 683 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 684 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 685 $(filter-out tools,$(SUBDIRS)) \
 686 depend dep tags ctags etags cscope $(obj)System.map:
 687         @echo "System not configured - see README" >&2
 688         @ exit 1
 689
 690 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 691         $(MAKE) -C $@ all
 692 endif   # config.mk
 693
 694 # ARM relocations should all be R_ARM_RELATIVE.
 695 checkarmreloc: $(obj)u-boot
 696         @if test "R_ARM_RELATIVE" != \
 697                 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
 698                 then echo "$< contains relocations other than \
 699                 R_ARM_RELATIVE"; false; fi
 700
 701 $(VERSION_FILE):
 702                 @mkdir -p $(dir $(VERSION_FILE))
 703                 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
 704                    printf '#define PLAIN_VERSION "%s%s"\n' \
 705                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 706                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 707                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 708                 ) > $@.tmp
 709                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 710                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 711                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 712                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 713                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 714
 715 $(TIMESTAMP_FILE):
 716                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 717                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 718                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 719                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 720
 721 easylogo env gdb:
 722         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 723 gdbtools: gdb
 724
 725 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
 726         $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
 727
 728 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 729         $(MAKE) -C tools HOST_TOOLS_ALL=y
 730
 731 .PHONY : CHANGELOG
 732 CHANGELOG:
 733         git log --no-merges U-Boot-1_1_5.. | \
 734         unexpand -a | sed -e 's/\s\s*$$//' > $@
 735
 736 include/license.h: tools/bin2header COPYING
 737         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 738 #########################################################################
 739
 740 unconfig:
 741         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 742                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 743                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
 744                 $(obj)include/spl-autoconf.mk \
 745                 $(obj)include/tpl-autoconf.mk
 746
 747 %_config::      unconfig
 748         @$(MKCONFIG) -A $(@:_config=)
 749
 750 sinclude $(obj).boards.depend
 751 $(obj).boards.depend:   boards.cfg
 752         @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
 753
 754 #########################################################################
 755 #########################################################################
 756
 757 clean:
 758         @rm -f $(obj)examples/standalone/atmel_df_pow2                    \
 759                $(obj)examples/standalone/hello_world                      \
 760                $(obj)examples/standalone/interrupt                        \
 761                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 762                $(obj)examples/standalone/sched                            \
 763                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 764                $(obj)examples/standalone/test_burst                       \
 765                $(obj)examples/standalone/timer
 766         @rm -f $(obj)examples/api/demo{,.bin}
 767         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 768                $(obj)tools/env/fw_printenv                                \
 769                $(obj)tools/envcrc                                         \
 770                $(obj)tools/gdb/{gdbcont,gdbsend}                          \
 771                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 772                $(obj)tools/dump{env,}image                \
 773                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 774                $(obj)tools/mk{$(BOARD),}spl                               \
 775                $(obj)tools/mxsboot                                        \
 776                $(obj)tools/ncb             $(obj)tools/ubsha1             \
 777                $(obj)tools/kernel-doc/docproc                             \
 778                $(obj)tools/proftool
 779         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 780                $(obj)board/matrix_vision/*/bootscript.img                 \
 781                $(obj)u-boot.lds                                           \
 782                $(obj)arch/blackfin/cpu/init.{lds,elf}
 783         @rm -f $(obj)include/bmp_logo.h
 784         @rm -f $(obj)include/bmp_logo_data.h
 785         @rm -f $(obj)lib/asm-offsets.s
 786         @rm -f $(obj)include/generated/asm-offsets.h
 787         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 788         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 789         @$(MAKE) -s -C doc/DocBook/ cleandocs
 790         @find $(OBJTREE) -type f \
 791                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 792                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \
 793                 -o -name '*.cfgtmp' \) -print \
 794                 | xargs rm -f
 795
 796 # Removes everything not needed for testing u-boot
 797 tidy:   clean
 798         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 799
 800 clobber:        tidy
 801         @find $(OBJTREE) -type f \( -name '*.srec' \
 802                 -o -name '*.bin' -o -name u-boot.img \) \
 803                 -print0 | xargs -0 rm -f
 804         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 805                 $(obj)cscope.* $(obj)*.*~
 806         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 807         @rm -f $(obj)u-boot.kwb
 808         @rm -f $(obj)u-boot.pbl
 809         @rm -f $(obj)u-boot.imx
 810         @rm -f $(obj)u-boot-with-spl.imx
 811         @rm -f $(obj)u-boot-with-nand-spl.imx
 812         @rm -f $(obj)u-boot.ubl
 813         @rm -f $(obj)u-boot.ais
 814         @rm -f $(obj)u-boot.dtb
 815         @rm -f $(obj)u-boot.sb
 816         @rm -f $(obj)u-boot.spr
 817         @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
 818         @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
 819         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
 820         @rm -f $(obj)spl/u-boot-spl.lds
 821         @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
 822         @rm -f $(obj)tpl/u-boot-spl.lds
 823         @rm -f $(obj)MLO MLO.byteswap
 824         @rm -f $(obj)SPL
 825         @rm -f $(obj)tools/xway-swap-bytes
 826         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 827         @rm -fr $(obj)include/generated
 828         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 829         @rm -f $(obj)dts/*.tmp
 830         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
 831
 832 mrproper \
 833 distclean:      clobber unconfig
 834 ifneq ($(OBJTREE),$(SRCTREE))
 835         rm -rf $(obj)*
 836 endif
 837
 838 backup:
 839         F=`basename $(TOPDIR)` ; cd .. ; \
 840         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 841
 842 #########################################################################