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 = 2012
  25 PATCHLEVEL = 10
  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 OBJS += $(CPUDIR)/start16.o
 235 OBJS += $(CPUDIR)/resetvec.o
 236 endif
 237 ifeq ($(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))
 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 LIBS-y += drivers/spi/libspi.o
 298 LIBS-y += drivers/dfu/libdfu.o
 299 ifeq ($(CPU),mpc83xx)
 300 LIBS-y += drivers/qe/libqe.o
 301 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 302 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 303 endif
 304 ifeq ($(CPU),mpc85xx)
 305 LIBS-y += drivers/qe/libqe.o
 306 LIBS-y += drivers/net/fm/libfm.o
 307 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 308 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 309 endif
 310 ifeq ($(CPU),mpc86xx)
 311 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 312 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 313 endif
 314 LIBS-y += drivers/rtc/librtc.o
 315 LIBS-y += drivers/serial/libserial.o
 316 LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o
 317 LIBS-y += drivers/twserial/libtws.o
 318 LIBS-y += drivers/usb/eth/libusb_eth.o
 319 LIBS-y += drivers/usb/gadget/libusb_gadget.o
 320 LIBS-y += drivers/usb/host/libusb_host.o
 321 LIBS-y += drivers/usb/musb/libusb_musb.o
 322 LIBS-y += drivers/usb/phy/libusb_phy.o
 323 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
 324 LIBS-y += drivers/video/libvideo.o
 325 LIBS-y += drivers/watchdog/libwatchdog.o
 326 LIBS-y += common/libcommon.o
 327 LIBS-y += lib/libfdt/libfdt.o
 328 LIBS-y += api/libapi.o
 329 LIBS-y += post/libpost.o
 330 LIBS-y += test/libtest.o
 331
 332 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
 333 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
 334 endif
 335
 336 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 337 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 338 endif
 339
 340 ifeq ($(SOC),s5pc1xx)
 341 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 342 endif
 343 ifeq ($(SOC),exynos)
 344 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 345 endif
 346 ifeq ($(SOC),tegra20)
 347 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
 348 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
 349 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
 350 endif
 351
 352 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 353 .PHONY : $(LIBS)
 354
 355 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
 356 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
 357
 358 # Add GCC lib
 359 ifdef USE_PRIVATE_LIBGCC
 360 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 361 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 362 else
 363 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 364 endif
 365 else
 366 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 367 endif
 368 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 369 export PLATFORM_LIBS
 370
 371 # Special flags for CPP when processing the linker script.
 372 # Pass the version down so we can handle backwards compatibility
 373 # on the fly.
 374 LDPPFLAGS += \
 375         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 376         -DCPUDIR=$(CPUDIR) \
 377         $(shell $(LD) --version | \
 378           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 379
 380 __OBJS := $(subst $(obj),,$(OBJS))
 381 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
 382
 383 #########################################################################
 384 #########################################################################
 385
 386 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 387 BOARD_SIZE_CHECK = \
 388         @actual=`wc -c $@ | awk '{print $$1}'`; \
 389         limit=$(CONFIG_BOARD_SIZE_LIMIT); \
 390         if test $$actual -gt $$limit; then \
 391                 echo "$@ exceeds file size limit:"; \
 392                 echo "  limit:  $$limit bytes"; \
 393                 echo "  actual: $$actual bytes"; \
 394                 echo "  excess: $$((actual - limit)) bytes"; \
 395                 exit 1; \
 396         fi
 397 else
 398 BOARD_SIZE_CHECK =
 399 endif
 400
 401 # Always append ALL so that arch config.mk's can add custom ones
 402 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 403
 404 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 405 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 406 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 407 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 408
 409 # enable combined SPL/u-boot/dtb rules for tegra
 410 ifeq ($(SOC),tegra20)
 411 ifeq ($(CONFIG_OF_SEPARATE),y)
 412 ALL-y += $(obj)u-boot-dtb-tegra.bin
 413 else
 414 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 415 endif
 416 endif
 417
 418 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
 419
 420 $(obj)u-boot.dtb:       $(obj)u-boot
 421                 $(MAKE) -C dts binary
 422                 mv $(obj)dts/dt.dtb $@
 423
 424 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 425                 cat $^ >$@
 426
 427 $(obj)u-boot.hex:       $(obj)u-boot
 428                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 429
 430 $(obj)u-boot.srec:      $(obj)u-boot
 431                 $(OBJCOPY) -O srec $< $@
 432
 433 $(obj)u-boot.bin:       $(obj)u-boot
 434                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 435                 $(BOARD_SIZE_CHECK)
 436
 437 $(obj)u-boot.ldr:       $(obj)u-boot
 438                 $(CREATE_LDR_ENV)
 439                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 440                 $(BOARD_SIZE_CHECK)
 441
 442 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 443                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 444
 445 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 446                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 447
 448 $(obj)u-boot.img:       $(obj)u-boot.bin
 449                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 450                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
 451                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 452                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 453                 -d $< $@
 454
 455 $(obj)u-boot.imx:       $(obj)u-boot.bin
 456                 $(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
 457                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 458
 459 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 460                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 461                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 462
 463 $(obj)u-boot.pbl:       $(obj)u-boot.bin
 464                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
 465                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
 466                 -d $< $@
 467
 468 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 469                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 470
 471 $(obj)u-boot.dis:       $(obj)u-boot
 472                 $(OBJDUMP) -d $< > $@
 473
 474 $(obj)u-boot.ubl:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 475                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 476                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
 477                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 478                 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
 479                 rm $(obj)u-boot-ubl.bin
 480                 rm $(obj)spl/u-boot-spl-pad.bin
 481
 482 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
 483                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
 484                         -T aisimage \
 485                         -e $(CONFIG_SPL_TEXT_BASE) \
 486                         -d $(obj)spl/u-boot-spl.bin \
 487                         $(obj)spl/u-boot-spl.ais
 488                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 489                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 490                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 491                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
 492                         $(obj)u-boot.ais
 493
 494 # Specify the target for use in elftosb call
 495 ELFTOSB_TARGET-$(CONFIG_MX28) = imx28
 496
 497 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 498                 elftosb -zdf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \
 499                         -o $(obj)u-boot.sb
 500
 501 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 502 # Both images are created using mkimage (crc etc), so that the ROM
 503 # bootloader can check its integrity. Padding needs to be done to the
 504 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 505 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 506 # The resulting image containing both U-Boot images is called u-boot.spr
 507 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 508                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 509                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 510                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 511                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 512                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 513                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 514                         conv=notrunc 2>/dev/null
 515                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 516
 517 ifeq ($(SOC),tegra20)
 518 ifeq ($(CONFIG_OF_SEPARATE),y)
 519 $(obj)u-boot-dtb-tegra.bin:     $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(obj)u-boot.dtb
 520                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 521                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(obj)u-boot.dtb > $@
 522                 rm $(obj)spl/u-boot-spl-pad.bin
 523 else
 524 $(obj)u-boot-nodtb-tegra.bin:   $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 525                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 526                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 527                 rm $(obj)spl/u-boot-spl-pad.bin
 528 endif
 529 endif
 530
 531 ifeq ($(CONFIG_SANDBOX),y)
 532 GEN_UBOOT = \
 533                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 534                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 535                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 536 else
 537 GEN_UBOOT = \
 538                 UNDEF_LST=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
 539                 sed  -n -e 's/.*\($(SYM_PREFIX)_u_boot_list_.*\)/-u\1/p'|sort|uniq`;\
 540                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
 541                         $$UNDEF_LST $(__OBJS) \
 542                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 543                         -Map u-boot.map -o u-boot
 544 endif
 545
 546 $(obj)u-boot:   depend \
 547                 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 548                 $(GEN_UBOOT)
 549 ifeq ($(CONFIG_KALLSYMS),y)
 550                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
 551                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 552                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 553                         -c common/system_map.c -o $(obj)common/system_map.o
 554                 $(GEN_UBOOT) $(obj)common/system_map.o
 555 endif
 556
 557 $(OBJS):        depend
 558                 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
 559
 560 $(LIBS):        depend $(SUBDIR_TOOLS)
 561                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 562
 563 $(LIBBOARD):    depend $(LIBS)
 564                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 565
 566 $(SUBDIRS):     depend
 567                 $(MAKE) -C $@ all
 568
 569 $(SUBDIR_EXAMPLES): $(obj)u-boot
 570
 571 $(LDSCRIPT):    depend
 572                 $(MAKE) -C $(dir $@) $(notdir $@)
 573
 574 # The following line expands into whole rule which generates u-boot.lst,
 575 # the file containing u-boots LG-array linker section. This is included into
 576 # $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
 577 $(eval $(call make_u_boot_list, $(obj)include/u-boot.lst, $(LIBBOARD) $(LIBS)))
 578 $(obj)u-boot.lds: $(LDSCRIPT) $(obj)include/u-boot.lst
 579                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
 580
 581 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 582                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 583
 584 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 585                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 586
 587 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 588                 $(MAKE) -C spl all
 589
 590 updater:
 591                 $(MAKE) -C tools/updater all
 592
 593 # Explicitly make _depend in subdirs containing multiple targets to prevent
 594 # parallel sub-makes creating .depend files simultaneously.
 595 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 596                 $(obj)include/autoconf.mk \
 597                 $(obj)include/generated/generic-asm-offsets.h \
 598                 $(obj)include/generated/asm-offsets.h
 599                 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
 600                         $(MAKE) -C $$dir _depend ; done
 601
 602 TAG_SUBDIRS = $(SUBDIRS)
 603 TAG_SUBDIRS += $(dir $(__LIBS))
 604 TAG_SUBDIRS += include
 605
 606 FIND := find
 607 FINDFLAGS := -L
 608
 609 checkstack:
 610                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 611                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 612                         perl $(src)tools/checkstack.pl $(ARCH)
 613
 614 tags ctags:
 615                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 616                                                 -name '*.[chS]' -print`
 617
 618 etags:
 619                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 620                                                 -name '*.[chS]' -print`
 621 cscope:
 622                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 623                                                 cscope.files
 624                 cscope -b -q -k
 625
 626 SYSTEM_MAP = \
 627                 $(NM) $1 | \
 628                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 629                 LC_ALL=C sort
 630 $(obj)System.map:       $(obj)u-boot
 631                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
 632
 633 checkthumb:
 634         @if test $(call cc-version) -lt 0404; then \
 635                 echo -n '*** Your GCC does not produce working '; \
 636                 echo 'binaries in THUMB mode.'; \
 637                 echo '*** Your board is configured for THUMB mode.'; \
 638                 false; \
 639         fi
 640 #
 641 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 642 #
 643 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 644 # the dep file is only include in this top level makefile to determine when
 645 # to regenerate the autoconf.mk file.
 646 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 647         @$(XECHO) Generating $@ ; \
 648         set -e ; \
 649         : Generate the dependancies ; \
 650         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 651                 -MQ $(obj)include/autoconf.mk include/common.h > $@
 652
 653 $(obj)include/autoconf.mk: $(obj)include/config.h
 654         @$(XECHO) Generating $@ ; \
 655         set -e ; \
 656         : Extract the config macros ; \
 657         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
 658                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 659         mv $@.tmp $@
 660
 661 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 662         $(obj)lib/asm-offsets.s
 663         @$(XECHO) Generating $@
 664         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 665
 666 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
 667         $(src)lib/asm-offsets.c
 668         @mkdir -p $(obj)lib
 669         $(CC) -DDO_DEPS_ONLY \
 670                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 671                 -o $@ $(src)lib/asm-offsets.c -c -S
 672
 673 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 674         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 675         @$(XECHO) Generating $@
 676         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 677
 678 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep
 679         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 680         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 681                 $(CC) -DDO_DEPS_ONLY \
 682                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 683                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 684         else \
 685                 touch $@; \
 686         fi
 687
 688 #########################################################################
 689 else    # !config.mk
 690 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 691 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 692 $(filter-out tools,$(SUBDIRS)) \
 693 updater depend dep tags ctags etags cscope $(obj)System.map:
 694         @echo "System not configured - see README" >&2
 695         @ exit 1
 696
 697 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 698         $(MAKE) -C $@ all
 699 endif   # config.mk
 700
 701 $(VERSION_FILE):
 702                 @mkdir -p $(dir $(VERSION_FILE))
 703                 @( localvers='$(shell $(TOPDIR)/tools/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*$$//' > $@
 735
 736 include/license.h: tools/bin2header COPYING
 737         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 738 #########################################################################
 739
 740 unconfig:
 741         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 742                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 743                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
 744
 745 %_config::      unconfig
 746         @$(MKCONFIG) -A $(@:_config=)
 747
 748 sinclude $(obj).boards.depend
 749 $(obj).boards.depend:   boards.cfg
 750         @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
 751
 752 #
 753 # Functions to generate common board directory names
 754 #
 755 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
 756 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
 757
 758 #########################################################################
 759 ## ARM1176 Systems
 760 #########################################################################
 761 smdk6400_noUSB_config   \
 762 smdk6400_config :       unconfig
 763         @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
 764         @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
 765         @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
 766         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 767         @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then                       \
 768                 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 769         else                                                                            \
 770                 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 771         fi
 772         @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
 773         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 774
 775 #########################################################################
 776 #########################################################################
 777
 778 clean:
 779         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 780                $(obj)examples/standalone/atmel_df_pow2                    \
 781                $(obj)examples/standalone/eepro100_eeprom                  \
 782                $(obj)examples/standalone/hello_world                      \
 783                $(obj)examples/standalone/interrupt                        \
 784                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 785                $(obj)examples/standalone/sched                            \
 786                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 787                $(obj)examples/standalone/test_burst                       \
 788                $(obj)examples/standalone/timer
 789         @rm -f $(obj)examples/api/demo{,.bin}
 790         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 791                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 792                $(obj)tools/envcrc                                         \
 793                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 794                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 795                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 796                $(obj)tools/mk{smdk5250,}spl                               \
 797                $(obj)tools/mxsboot                                        \
 798                $(obj)tools/ncb             $(obj)tools/ubsha1             \
 799                $(obj)tools/kernel-doc/docproc
 800         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 801                $(obj)board/matrix_vision/*/bootscript.img                 \
 802                $(obj)board/voiceblue/eeprom                               \
 803                $(obj)u-boot.lds                                           \
 804                $(obj)include/u-boot.lst                                   \
 805                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
 806                $(obj)arch/blackfin/cpu/init.{lds,elf}
 807         @rm -f $(obj)include/bmp_logo.h
 808         @rm -f $(obj)include/bmp_logo_data.h
 809         @rm -f $(obj)lib/asm-offsets.s
 810         @rm -f $(obj)include/generated/asm-offsets.h
 811         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 812         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 813         @$(MAKE) -C doc/DocBook/ cleandocs
 814         @find $(OBJTREE) -type f \
 815                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 816                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \) -print \
 817                 | xargs rm -f
 818
 819 # Removes everything not needed for testing u-boot
 820 tidy:   clean
 821         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 822
 823 clobber:        tidy
 824         @find $(OBJTREE) -type f \( -name '*.srec' \
 825                 -o -name '*.bin' -o -name u-boot.img \) \
 826                 -print0 | xargs -0 rm -f
 827         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 828                 $(obj)cscope.* $(obj)*.*~
 829         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 830         @rm -f $(obj)u-boot.kwb
 831         @rm -f $(obj)u-boot.pbl
 832         @rm -f $(obj)u-boot.imx
 833         @rm -f $(obj)u-boot.ubl
 834         @rm -f $(obj)u-boot.ais
 835         @rm -f $(obj)u-boot.dtb
 836         @rm -f $(obj)u-boot.sb
 837         @rm -f $(obj)u-boot.spr
 838         @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
 839         @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
 840         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
 841         @rm -f $(obj)spl/{u-boot-spl.lds,u-boot.lst}
 842         @rm -f $(obj)MLO
 843         @rm -f $(obj)tools/xway-swap-bytes
 844         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
 845         @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 846         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 847         @rm -fr $(obj)include/generated
 848         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 849         @rm -f $(obj)dts/*.tmp
 850         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
 851
 852 mrproper \
 853 distclean:      clobber unconfig
 854 ifneq ($(OBJTREE),$(SRCTREE))
 855         rm -rf $(obj)*
 856 endif
 857
 858 backup:
 859         F=`basename $(TOPDIR)` ; cd .. ; \
 860         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 861
 862 #########################################################################