Makefile

   1 #
   2 # (C) Copyright 2000-2012
   3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 #
   5 # See file CREDITS for list of people who contributed to this
   6 # project.
   7 #
   8 # This program is free software; you can redistribute it and/or
   9 # modify it under the terms of the GNU General Public License as
  10 # published by the Free Software Foundatio; either version 2 of
  11 # the License, or (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 # MA 02111-1307 USA
  22 #
  23
  24 VERSION = 2013
  25 PATCHLEVEL = 01
  26 SUBLEVEL =
  27 EXTRAVERSION =
  28 ifneq "$(SUBLEVEL)" ""
  29 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
  30 else
  31 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
  32 endif
  33 TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h
  34 VERSION_FILE = $(obj)include/generated/version_autogenerated.h
  35
  36 HOSTARCH := $(shell uname -m | \
  37         sed -e s/i.86/x86/ \
  38             -e s/sun4u/sparc64/ \
  39             -e s/arm.*/arm/ \
  40             -e s/sa110/arm/ \
  41             -e s/ppc64/powerpc/ \
  42             -e s/ppc/powerpc/ \
  43             -e s/macppc/powerpc/\
  44             -e s/sh.*/sh/)
  45
  46 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
  47             sed -e 's/\(cygwin\).*/cygwin/')
  48
  49 # Set shell to bash if possible, otherwise fall back to sh
  50 SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
  51         else if [ -x /bin/bash ]; then echo /bin/bash; \
  52         else echo sh; fi; fi)
  53
  54 export  HOSTARCH HOSTOS SHELL
  55
  56 # Deal with colliding definitions from tcsh etc.
  57 VENDOR=
  58
  59 #########################################################################
  60 # Allow for silent builds
  61 ifeq (,$(findstring s,$(MAKEFLAGS)))
  62 XECHO = echo
  63 else
  64 XECHO = :
  65 endif
  66
  67 #########################################################################
  68 #
  69 # U-boot build supports producing a object files to the separate external
  70 # directory. Two use cases are supported:
  71 #
  72 # 1) Add O= to the make command line
  73 # 'make O=/tmp/build all'
  74 #
  75 # 2) Set environement variable BUILD_DIR to point to the desired location
  76 # 'export BUILD_DIR=/tmp/build'
  77 # 'make'
  78 #
  79 # The second approach can also be used with a MAKEALL script
  80 # 'export BUILD_DIR=/tmp/build'
  81 # './MAKEALL'
  82 #
  83 # Command line 'O=' setting overrides BUILD_DIR environent variable.
  84 #
  85 # When none of the above methods is used the local build is performed and
  86 # the object files are placed in the source directory.
  87 #
  88
  89 ifdef O
  90 ifeq ("$(origin O)", "command line")
  91 BUILD_DIR := $(O)
  92 endif
  93 endif
  94
  95 # Call a source code checker (by default, "sparse") as part of the
  96 # C compilation.
  97 #
  98 # Use 'make C=1' to enable checking of re-compiled files.
  99 #
 100 # See the linux kernel file "Documentation/sparse.txt" for more details,
 101 # including where to get the "sparse" utility.
 102
 103 ifdef C
 104 ifeq ("$(origin C)", "command line")
 105 CHECKSRC := $(C)
 106 endif
 107 endif
 108 ifndef CHECKSRC
 109   CHECKSRC = 0
 110 endif
 111 export CHECKSRC
 112
 113 ifneq ($(BUILD_DIR),)
 114 saved-output := $(BUILD_DIR)
 115
 116 # Attempt to create a output directory.
 117 $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
 118
 119 # Verify if it was successful.
 120 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
 121 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
 122 endif # ifneq ($(BUILD_DIR),)
 123
 124 OBJTREE         := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
 125 SPLTREE         := $(OBJTREE)/spl
 126 SRCTREE         := $(CURDIR)
 127 TOPDIR          := $(SRCTREE)
 128 LNDIR           := $(OBJTREE)
 129 export  TOPDIR SRCTREE OBJTREE SPLTREE
 130
 131 MKCONFIG        := $(SRCTREE)/mkconfig
 132 export MKCONFIG
 133
 134 ifneq ($(OBJTREE),$(SRCTREE))
 135 REMOTE_BUILD    := 1
 136 export REMOTE_BUILD
 137 endif
 138
 139 # $(obj) and (src) are defined in config.mk but here in main Makefile
 140 # we also need them before config.mk is included which is the case for
 141 # some targets like unconfig, clean, clobber, distclean, etc.
 142 ifneq ($(OBJTREE),$(SRCTREE))
 143 obj := $(OBJTREE)/
 144 src := $(SRCTREE)/
 145 else
 146 obj :=
 147 src :=
 148 endif
 149 export obj src
 150
 151 # Make sure CDPATH settings don't interfere
 152 unexport CDPATH
 153
 154 #########################################################################
 155
 156 # The "tools" are needed early, so put this first
 157 # Don't include stuff already done in $(LIBS)
 158 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
 159 # is "yes"), so compile examples after U-Boot is compiled.
 160 SUBDIR_TOOLS = tools
 161 SUBDIR_EXAMPLES = examples/standalone examples/api
 162 SUBDIRS = $(SUBDIR_TOOLS)
 163
 164 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
 165
 166 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
 167
 168 # Include autoconf.mk before config.mk so that the config options are available
 169 # to all top level build files.  We need the dummy all: target to prevent the
 170 # dependency target in autoconf.mk.dep from being the default.
 171 all:
 172 sinclude $(obj)include/autoconf.mk.dep
 173 sinclude $(obj)include/autoconf.mk
 174
 175 ifndef CONFIG_SANDBOX
 176 SUBDIRS += $(SUBDIR_EXAMPLES)
 177 endif
 178
 179 # load ARCH, BOARD, and CPU configuration
 180 include $(obj)include/config.mk
 181 export  ARCH CPU BOARD VENDOR SOC
 182
 183 # set default to nothing for native builds
 184 ifeq ($(HOSTARCH),$(ARCH))
 185 CROSS_COMPILE ?=
 186 endif
 187
 188 # load other configuration
 189 include $(TOPDIR)/config.mk
 190
 191 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 192 # that (or fail if absent).  Otherwise, search for a linker script in a
 193 # standard location.
 194
 195 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
 196
 197 ifndef LDSCRIPT
 198         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
 199         ifdef CONFIG_SYS_LDSCRIPT
 200                 # need to strip off double quotes
 201                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
 202         endif
 203 endif
 204
 205 # If there is no specified link script, we look in a number of places for it
 206 ifndef LDSCRIPT
 207         ifeq ($(CONFIG_NAND_U_BOOT),y)
 208                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
 209                 ifeq ($(wildcard $(LDSCRIPT)),)
 210                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 211                 endif
 212         endif
 213         ifeq ($(wildcard $(LDSCRIPT)),)
 214                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
 215         endif
 216         ifeq ($(wildcard $(LDSCRIPT)),)
 217                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
 218         endif
 219         ifeq ($(wildcard $(LDSCRIPT)),)
 220                 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
 221                 # We don't expect a Makefile here
 222                 LDSCRIPT_MAKEFILE_DIR =
 223         endif
 224         ifeq ($(wildcard $(LDSCRIPT)),)
 225 $(error could not find linker script)
 226         endif
 227 endif
 228
 229 #########################################################################
 230 # U-Boot objects....order is important (i.e. start must be first)
 231
 232 OBJS  = $(CPUDIR)/start.o
 233 ifeq ($(CPU),x86)
 234 RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += $(CPUDIR)/start16.o
 235 RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += $(CPUDIR)/resetvec.o
 236 endif
 237 ifeq ($(CPU),ppc4xx)
 238 OBJS += $(CPUDIR)/resetvec.o
 239 endif
 240 ifeq ($(CPU),mpc85xx)
 241 OBJS += $(CPUDIR)/resetvec.o
 242 endif
 243
 244 OBJS := $(addprefix $(obj),$(OBJS) $(RESET_OBJS-))
 245
 246 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
 247
 248 LIBS-y += lib/libgeneric.o
 249 LIBS-y += lib/lzma/liblzma.o
 250 LIBS-y += lib/lzo/liblzo.o
 251 LIBS-y += lib/zlib/libz.o
 252 LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o
 253 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
 254 LIBS-y += $(CPUDIR)/lib$(CPU).o
 255 ifdef SOC
 256 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
 257 endif
 258 ifeq ($(CPU),ixp)
 259 LIBS-y += drivers/net/npe/libnpe.o
 260 endif
 261 LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
 262 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
 263 LIBS-y += fs/libfs.o \
 264         fs/cbfs/libcbfs.o \
 265         fs/cramfs/libcramfs.o \
 266         fs/ext4/libext4fs.o \
 267         fs/fat/libfat.o \
 268         fs/fdos/libfdos.o \
 269         fs/jffs2/libjffs2.o \
 270         fs/reiserfs/libreiserfs.o \
 271         fs/ubifs/libubifs.o \
 272         fs/yaffs2/libyaffs2.o \
 273         fs/zfs/libzfs.o
 274 LIBS-y += net/libnet.o
 275 LIBS-y += disk/libdisk.o
 276 LIBS-y += drivers/bios_emulator/libatibiosemu.o
 277 LIBS-y += drivers/block/libblock.o
 278 LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o
 279 LIBS-y += drivers/dma/libdma.o
 280 LIBS-y += drivers/fpga/libfpga.o
 281 LIBS-y += drivers/gpio/libgpio.o
 282 LIBS-y += drivers/hwmon/libhwmon.o
 283 LIBS-y += drivers/i2c/libi2c.o
 284 LIBS-y += drivers/input/libinput.o
 285 LIBS-y += drivers/misc/libmisc.o
 286 LIBS-y += drivers/mmc/libmmc.o
 287 LIBS-y += drivers/mtd/libmtd.o
 288 LIBS-y += drivers/mtd/nand/libnand.o
 289 LIBS-y += drivers/mtd/onenand/libonenand.o
 290 LIBS-y += drivers/mtd/ubi/libubi.o
 291 LIBS-y += drivers/mtd/spi/libspi_flash.o
 292 LIBS-y += drivers/net/libnet.o
 293 LIBS-y += drivers/net/phy/libphy.o
 294 LIBS-y += drivers/pci/libpci.o
 295 LIBS-y += drivers/pcmcia/libpcmcia.o
 296 LIBS-y += drivers/power/libpower.o \
 297         drivers/power/fuel_gauge/libfuel_gauge.o \
 298         drivers/power/pmic/libpmic.o \
 299         drivers/power/battery/libbattery.o
 300 LIBS-y += drivers/spi/libspi.o
 301 LIBS-y += drivers/dfu/libdfu.o
 302 ifeq ($(CPU),mpc83xx)
 303 LIBS-y += drivers/qe/libqe.o
 304 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 305 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 306 endif
 307 ifeq ($(CPU),mpc85xx)
 308 LIBS-y += drivers/qe/libqe.o
 309 LIBS-y += drivers/net/fm/libfm.o
 310 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 311 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 312 endif
 313 ifeq ($(CPU),mpc86xx)
 314 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 315 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 316 endif
 317 LIBS-y += drivers/rtc/librtc.o
 318 LIBS-y += drivers/serial/libserial.o
 319 LIBS-y += drivers/sound/libsound.o
 320 LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o
 321 LIBS-y += drivers/twserial/libtws.o
 322 LIBS-y += drivers/usb/eth/libusb_eth.o
 323 LIBS-y += drivers/usb/gadget/libusb_gadget.o
 324 LIBS-y += drivers/usb/host/libusb_host.o
 325 LIBS-y += drivers/usb/musb/libusb_musb.o
 326 LIBS-y += drivers/usb/musb-new/libusb_musb-new.o
 327 LIBS-y += drivers/usb/phy/libusb_phy.o
 328 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
 329 LIBS-y += drivers/video/libvideo.o
 330 LIBS-y += drivers/watchdog/libwatchdog.o
 331 LIBS-y += common/libcommon.o
 332 LIBS-y += lib/libfdt/libfdt.o
 333 LIBS-y += api/libapi.o
 334 LIBS-y += post/libpost.o
 335 LIBS-y += test/libtest.o
 336
 337 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
 338 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
 339 endif
 340
 341 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 342 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 343 endif
 344
 345 ifeq ($(SOC),s5pc1xx)
 346 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 347 endif
 348 ifeq ($(SOC),exynos)
 349 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 350 endif
 351 ifeq ($(SOC),tegra20)
 352 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
 353 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
 354 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
 355 endif
 356
 357 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 358 .PHONY : $(LIBS)
 359
 360 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
 361 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
 362
 363 # Add GCC lib
 364 ifdef USE_PRIVATE_LIBGCC
 365 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 366 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 367 else
 368 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 369 endif
 370 else
 371 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 372 endif
 373 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 374 export PLATFORM_LIBS
 375
 376 # Special flags for CPP when processing the linker script.
 377 # Pass the version down so we can handle backwards compatibility
 378 # on the fly.
 379 LDPPFLAGS += \
 380         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 381         -DCPUDIR=$(CPUDIR) \
 382         $(shell $(LD) --version | \
 383           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 384
 385 __OBJS := $(subst $(obj),,$(OBJS))
 386 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
 387
 388 #########################################################################
 389 #########################################################################
 390
 391 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 392 BOARD_SIZE_CHECK = \
 393         @actual=`wc -c $@ | awk '{print $$1}'`; \
 394         limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
 395         if test $$actual -gt $$limit; then \
 396                 echo "$@ exceeds file size limit:" >&2 ; \
 397                 echo "  limit:  $$limit bytes" >&2 ; \
 398                 echo "  actual: $$actual bytes" >&2 ; \
 399                 echo "  excess: $$((actual - limit)) bytes" >&2; \
 400                 exit 1; \
 401         fi
 402 else
 403 BOARD_SIZE_CHECK =
 404 endif
 405
 406 # Always append ALL so that arch config.mk's can add custom ones
 407 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 408
 409 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 410 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 411 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 412 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
 413 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 414
 415 # enable combined SPL/u-boot/dtb rules for tegra
 416 ifeq ($(SOC),tegra20)
 417 ifeq ($(CONFIG_OF_SEPARATE),y)
 418 ALL-y += $(obj)u-boot-dtb-tegra.bin
 419 else
 420 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 421 endif
 422 endif
 423
 424 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
 425
 426 $(obj)u-boot.dtb:       $(obj)u-boot
 427                 $(MAKE) -C dts binary
 428                 mv $(obj)dts/dt.dtb $@
 429
 430 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 431                 cat $^ >$@
 432
 433 $(obj)u-boot.hex:       $(obj)u-boot
 434                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 435
 436 $(obj)u-boot.srec:      $(obj)u-boot
 437                 $(OBJCOPY) -O srec $< $@
 438
 439 $(obj)u-boot.bin:       $(obj)u-boot
 440                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 441                 $(BOARD_SIZE_CHECK)
 442
 443 $(obj)u-boot.ldr:       $(obj)u-boot
 444                 $(CREATE_LDR_ENV)
 445                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 446                 $(BOARD_SIZE_CHECK)
 447
 448 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 449                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 450
 451 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 452                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 453
 454 #
 455 # U-Boot entry point, needed for booting of full-blown U-Boot
 456 # from the SPL U-Boot version.
 457 #
 458 ifndef CONFIG_SYS_UBOOT_START
 459 CONFIG_SYS_UBOOT_START := 0
 460 endif
 461
 462 $(obj)u-boot.img:       $(obj)u-boot.bin
 463                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 464                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
 465                 -e $(CONFIG_SYS_UBOOT_START) \
 466                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 467                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 468                 -d $< $@
 469
 470 $(obj)u-boot.imx:       $(obj)u-boot.bin
 471                 $(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
 472                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 473
 474 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 475                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 476                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 477
 478 $(obj)u-boot.pbl:       $(obj)u-boot.bin
 479                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
 480                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
 481                 -d $< $@
 482
 483 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 484                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 485
 486 $(obj)u-boot.dis:       $(obj)u-boot
 487                 $(OBJDUMP) -d $< > $@
 488
 489
 490
 491 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 492                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(or $(CONFIG_SPL_PAD_TO),0) \
 493                         -O binary $(obj)spl/u-boot-spl \
 494                         $(obj)spl/u-boot-spl-pad.bin
 495                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 496                 rm $(obj)spl/u-boot-spl-pad.bin
 497
 498 $(obj)u-boot.ubl:       $(obj)u-boot-with-spl.bin
 499                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 500                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
 501
 502 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 503                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
 504                         -T aisimage \
 505                         -e $(CONFIG_SPL_TEXT_BASE) \
 506                         -d $(obj)spl/u-boot-spl.bin \
 507                         $(obj)spl/u-boot-spl.ais
 508                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 509                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 510                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 511                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
 512                         $(obj)u-boot.ais
 513
 514 # Specify the target for use in elftosb call
 515 ELFTOSB_TARGET-$(CONFIG_MX28) = imx28
 516
 517 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 518                 elftosb -zf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \
 519                         -o $(obj)u-boot.sb
 520
 521 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 522 # Both images are created using mkimage (crc etc), so that the ROM
 523 # bootloader can check its integrity. Padding needs to be done to the
 524 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 525 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 526 # The resulting image containing both U-Boot images is called u-boot.spr
 527 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 528                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 529                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 530                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 531                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 532                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 533                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 534                         conv=notrunc 2>/dev/null
 535                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 536
 537 ifeq ($(SOC),tegra20)
 538 ifeq ($(CONFIG_OF_SEPARATE),y)
 539 nodtb=dtb
 540 dtbfile=$(obj)u-boot.dtb
 541 else
 542 nodtb=nodtb
 543 dtbfile=
 544 endif
 545
 546 $(obj)u-boot-$(nodtb)-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(dtbfile)
 547                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 548                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(dtbfile) > $@
 549                 rm $(obj)spl/u-boot-spl-pad.bin
 550 endif
 551
 552 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 553                 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
 554
 555 ifeq ($(CONFIG_SANDBOX),y)
 556 GEN_UBOOT = \
 557                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 558                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 559                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 560 else
 561 GEN_UBOOT = \
 562                 UNDEF_LST=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
 563                 sed  -n -e 's/.*\($(SYM_PREFIX)_u_boot_list_.*\)/-u\1/p'|sort|uniq`;\
 564                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 565                         $$UNDEF_LST $(__OBJS) \
 566                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 567                         -Map u-boot.map -o u-boot
 568 endif
 569
 570 $(obj)u-boot:   depend \
 571                 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 572                 $(GEN_UBOOT)
 573 ifeq ($(CONFIG_KALLSYMS),y)
 574                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
 575                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 576                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 577                         -c common/system_map.c -o $(obj)common/system_map.o
 578                 $(GEN_UBOOT) $(obj)common/system_map.o
 579 endif
 580
 581 $(OBJS):        depend
 582                 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
 583
 584 $(LIBS):        depend $(SUBDIR_TOOLS)
 585                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 586
 587 $(LIBBOARD):    depend $(LIBS)
 588                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 589
 590 $(SUBDIRS):     depend
 591                 $(MAKE) -C $@ all
 592
 593 $(SUBDIR_EXAMPLES): $(obj)u-boot
 594
 595 $(LDSCRIPT):    depend
 596                 $(MAKE) -C $(dir $@) $(notdir $@)
 597
 598 # The following line expands into whole rule which generates u-boot.lst,
 599 # the file containing u-boots LG-array linker section. This is included into
 600 # $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
 601 $(eval $(call make_u_boot_list, $(obj)include/u-boot.lst, $(LIBBOARD) $(LIBS)))
 602 $(obj)u-boot.lds: $(LDSCRIPT) $(obj)include/u-boot.lst
 603                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
 604
 605 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 606                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 607
 608 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 609                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 610
 611 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 612                 $(MAKE) -C spl all
 613
 614 updater:
 615                 $(MAKE) -C tools/updater all
 616
 617 # Explicitly make _depend in subdirs containing multiple targets to prevent
 618 # parallel sub-makes creating .depend files simultaneously.
 619 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 620                 $(obj)include/autoconf.mk \
 621                 $(obj)include/generated/generic-asm-offsets.h \
 622                 $(obj)include/generated/asm-offsets.h
 623                 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
 624                         $(MAKE) -C $$dir _depend ; done
 625
 626 TAG_SUBDIRS = $(SUBDIRS)
 627 TAG_SUBDIRS += $(dir $(__LIBS))
 628 TAG_SUBDIRS += include
 629
 630 FIND := find
 631 FINDFLAGS := -L
 632
 633 checkstack:
 634                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 635                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 636                         perl $(src)tools/checkstack.pl $(ARCH)
 637
 638 tags ctags:
 639                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 640                                                 -name '*.[chS]' -print`
 641
 642 etags:
 643                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 644                                                 -name '*.[chS]' -print`
 645 cscope:
 646                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 647                                                 cscope.files
 648                 cscope -b -q -k
 649
 650 SYSTEM_MAP = \
 651                 $(NM) $1 | \
 652                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 653                 LC_ALL=C sort
 654 $(obj)System.map:       $(obj)u-boot
 655                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
 656
 657 checkthumb:
 658         @if test $(call cc-version) -lt 0404; then \
 659                 echo -n '*** Your GCC does not produce working '; \
 660                 echo 'binaries in THUMB mode.'; \
 661                 echo '*** Your board is configured for THUMB mode.'; \
 662                 false; \
 663         fi
 664
 665 # GCC 3.x is reported to have problems generating the type of relocation
 666 # that U-Boot wants.
 667 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
 668 checkgcc4:
 669         @if test $(call cc-version) -lt 0400; then \
 670                 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
 671                 false; \
 672         fi
 673
 674 #
 675 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 676 #
 677 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 678 # the dep file is only include in this top level makefile to determine when
 679 # to regenerate the autoconf.mk file.
 680 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 681         @$(XECHO) Generating $@ ; \
 682         set -e ; \
 683         : Generate the dependancies ; \
 684         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 685                 -MQ $(obj)include/autoconf.mk include/common.h > $@
 686
 687 $(obj)include/autoconf.mk: $(obj)include/config.h
 688         @$(XECHO) Generating $@ ; \
 689         set -e ; \
 690         : Extract the config macros ; \
 691         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
 692                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 693         mv $@.tmp $@
 694
 695 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 696         $(obj)lib/asm-offsets.s
 697         @$(XECHO) Generating $@
 698         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 699
 700 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
 701         $(src)lib/asm-offsets.c
 702         @mkdir -p $(obj)lib
 703         $(CC) -DDO_DEPS_ONLY \
 704                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 705                 -o $@ $(src)lib/asm-offsets.c -c -S
 706
 707 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 708         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 709         @$(XECHO) Generating $@
 710         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 711
 712 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep
 713         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 714         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 715                 $(CC) -DDO_DEPS_ONLY \
 716                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 717                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 718         else \
 719                 touch $@; \
 720         fi
 721
 722 #########################################################################
 723 else    # !config.mk
 724 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 725 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 726 $(filter-out tools,$(SUBDIRS)) \
 727 updater depend dep tags ctags etags cscope $(obj)System.map:
 728         @echo "System not configured - see README" >&2
 729         @ exit 1
 730
 731 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 732         $(MAKE) -C $@ all
 733 endif   # config.mk
 734
 735 $(VERSION_FILE):
 736                 @mkdir -p $(dir $(VERSION_FILE))
 737                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
 738                    printf '#define PLAIN_VERSION "%s%s"\n' \
 739                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 740                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 741                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 742                 ) > $@.tmp
 743                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 744                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 745                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 746                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 747                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 748
 749 $(TIMESTAMP_FILE):
 750                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 751                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 752                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 753                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 754
 755 easylogo env gdb:
 756         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 757 gdbtools: gdb
 758
 759 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
 760         $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
 761
 762 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 763         $(MAKE) -C tools HOST_TOOLS_ALL=y
 764
 765 .PHONY : CHANGELOG
 766 CHANGELOG:
 767         git log --no-merges U-Boot-1_1_5.. | \
 768         unexpand -a | sed -e 's/\s\s*$$//' > $@
 769
 770 include/license.h: tools/bin2header COPYING
 771         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 772 #########################################################################
 773
 774 unconfig:
 775         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 776                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 777                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
 778
 779 %_config::      unconfig
 780         @$(MKCONFIG) -A $(@:_config=)
 781
 782 sinclude $(obj).boards.depend
 783 $(obj).boards.depend:   boards.cfg
 784         @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
 785
 786 #
 787 # Functions to generate common board directory names
 788 #
 789 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
 790 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
 791
 792 #########################################################################
 793 ## ARM1176 Systems
 794 #########################################################################
 795 smdk6400_noUSB_config   \
 796 smdk6400_config :       unconfig
 797         @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
 798         @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
 799         @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
 800         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 801         @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then                       \
 802                 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 803         else                                                                            \
 804                 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 805         fi
 806         @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
 807         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 808
 809 #########################################################################
 810 #########################################################################
 811
 812 clean:
 813         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 814                $(obj)examples/standalone/atmel_df_pow2                    \
 815                $(obj)examples/standalone/eepro100_eeprom                  \
 816                $(obj)examples/standalone/hello_world                      \
 817                $(obj)examples/standalone/interrupt                        \
 818                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 819                $(obj)examples/standalone/sched                            \
 820                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 821                $(obj)examples/standalone/test_burst                       \
 822                $(obj)examples/standalone/timer
 823         @rm -f $(obj)examples/api/demo{,.bin}
 824         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 825                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 826                $(obj)tools/envcrc                                         \
 827                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 828                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 829                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 830                $(obj)tools/mk{smdk5250,}spl                               \
 831                $(obj)tools/mxsboot                                        \
 832                $(obj)tools/ncb             $(obj)tools/ubsha1             \
 833                $(obj)tools/kernel-doc/docproc
 834         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 835                $(obj)board/matrix_vision/*/bootscript.img                 \
 836                $(obj)board/voiceblue/eeprom                               \
 837                $(obj)u-boot.lds                                           \
 838                $(obj)include/u-boot.lst                                   \
 839                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
 840                $(obj)arch/blackfin/cpu/init.{lds,elf}
 841         @rm -f $(obj)include/bmp_logo.h
 842         @rm -f $(obj)include/bmp_logo_data.h
 843         @rm -f $(obj)lib/asm-offsets.s
 844         @rm -f $(obj)include/generated/asm-offsets.h
 845         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 846         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 847         @$(MAKE) -s -C doc/DocBook/ cleandocs
 848         @find $(OBJTREE) -type f \
 849                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 850                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \) -print \
 851                 | xargs rm -f
 852
 853 # Removes everything not needed for testing u-boot
 854 tidy:   clean
 855         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 856
 857 clobber:        tidy
 858         @find $(OBJTREE) -type f \( -name '*.srec' \
 859                 -o -name '*.bin' -o -name u-boot.img \) \
 860                 -print0 | xargs -0 rm -f
 861         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 862                 $(obj)cscope.* $(obj)*.*~
 863         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 864         @rm -f $(obj)u-boot.kwb
 865         @rm -f $(obj)u-boot.pbl
 866         @rm -f $(obj)u-boot.imx
 867         @rm -f $(obj)u-boot.ubl
 868         @rm -f $(obj)u-boot.ais
 869         @rm -f $(obj)u-boot.dtb
 870         @rm -f $(obj)u-boot.sb
 871         @rm -f $(obj)u-boot.spr
 872         @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
 873         @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
 874         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
 875         @rm -f $(obj)spl/{u-boot-spl.lds,u-boot.lst}
 876         @rm -f $(obj)MLO MLO.byteswap
 877         @rm -f $(obj)SPL
 878         @rm -f $(obj)tools/xway-swap-bytes
 879         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
 880         @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 881         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 882         @rm -fr $(obj)include/generated
 883         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 884         @rm -f $(obj)dts/*.tmp
 885         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
 886
 887 mrproper \
 888 distclean:      clobber unconfig
 889 ifneq ($(OBJTREE),$(SRCTREE))
 890         rm -rf $(obj)*
 891 endif
 892
 893 backup:
 894         F=`basename $(TOPDIR)` ; cd .. ; \
 895         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 896
 897 #########################################################################