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 = 07
  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 := $(O)
  92 endif
  93 endif
  94
  95 ifneq ($(BUILD_DIR),)
  96 saved-output := $(BUILD_DIR)
  97
  98 # Attempt to create a output directory.
  99 $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
 100
 101 # Verify if it was successful.
 102 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
 103 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
 104 endif # ifneq ($(BUILD_DIR),)
 105
 106 OBJTREE         := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
 107 SPLTREE         := $(OBJTREE)/spl
 108 SRCTREE         := $(CURDIR)
 109 TOPDIR          := $(SRCTREE)
 110 LNDIR           := $(OBJTREE)
 111 export  TOPDIR SRCTREE OBJTREE SPLTREE
 112
 113 MKCONFIG        := $(SRCTREE)/mkconfig
 114 export MKCONFIG
 115
 116 ifneq ($(OBJTREE),$(SRCTREE))
 117 REMOTE_BUILD    := 1
 118 export REMOTE_BUILD
 119 endif
 120
 121 # $(obj) and (src) are defined in config.mk but here in main Makefile
 122 # we also need them before config.mk is included which is the case for
 123 # some targets like unconfig, clean, clobber, distclean, etc.
 124 ifneq ($(OBJTREE),$(SRCTREE))
 125 obj := $(OBJTREE)/
 126 src := $(SRCTREE)/
 127 else
 128 obj :=
 129 src :=
 130 endif
 131 export obj src
 132
 133 # Make sure CDPATH settings don't interfere
 134 unexport CDPATH
 135
 136 #########################################################################
 137
 138 # The "tools" are needed early, so put this first
 139 # Don't include stuff already done in $(LIBS)
 140 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
 141 # is "yes"), so compile examples after U-Boot is compiled.
 142 SUBDIR_TOOLS = tools
 143 SUBDIR_EXAMPLES = examples/standalone examples/api
 144 SUBDIRS = $(SUBDIR_TOOLS)
 145
 146 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
 147
 148 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
 149
 150 # Include autoconf.mk before config.mk so that the config options are available
 151 # to all top level build files.  We need the dummy all: target to prevent the
 152 # dependency target in autoconf.mk.dep from being the default.
 153 all:
 154 sinclude $(obj)include/autoconf.mk.dep
 155 sinclude $(obj)include/autoconf.mk
 156
 157 ifndef CONFIG_SANDBOX
 158 SUBDIRS += $(SUBDIR_EXAMPLES)
 159 endif
 160
 161 # load ARCH, BOARD, and CPU configuration
 162 include $(obj)include/config.mk
 163 export  ARCH CPU BOARD VENDOR SOC
 164
 165 # set default to nothing for native builds
 166 ifeq ($(HOSTARCH),$(ARCH))
 167 CROSS_COMPILE ?=
 168 endif
 169
 170 # load other configuration
 171 include $(TOPDIR)/config.mk
 172
 173 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 174 # that (or fail if absent).  Otherwise, search for a linker script in a
 175 # standard location.
 176
 177 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
 178
 179 ifndef LDSCRIPT
 180         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
 181         ifdef CONFIG_SYS_LDSCRIPT
 182                 # need to strip off double quotes
 183                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
 184         endif
 185 endif
 186
 187 # If there is no specified link script, we look in a number of places for it
 188 ifndef LDSCRIPT
 189         ifeq ($(CONFIG_NAND_U_BOOT),y)
 190                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
 191                 ifeq ($(wildcard $(LDSCRIPT)),)
 192                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 193                 endif
 194         endif
 195         ifeq ($(wildcard $(LDSCRIPT)),)
 196                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
 197         endif
 198         ifeq ($(wildcard $(LDSCRIPT)),)
 199                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
 200         endif
 201         ifeq ($(wildcard $(LDSCRIPT)),)
 202                 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
 203                 # We don't expect a Makefile here
 204                 LDSCRIPT_MAKEFILE_DIR =
 205         endif
 206         ifeq ($(wildcard $(LDSCRIPT)),)
 207 $(error could not find linker script)
 208         endif
 209 endif
 210
 211 #########################################################################
 212 # U-Boot objects....order is important (i.e. start must be first)
 213
 214 OBJS  = $(CPUDIR)/start.o
 215 ifeq ($(CPU),x86)
 216 OBJS += $(CPUDIR)/start16.o
 217 OBJS += $(CPUDIR)/resetvec.o
 218 endif
 219 ifeq ($(CPU),ppc4xx)
 220 OBJS += $(CPUDIR)/resetvec.o
 221 endif
 222 ifeq ($(CPU),mpc85xx)
 223 OBJS += $(CPUDIR)/resetvec.o
 224 endif
 225
 226 OBJS := $(addprefix $(obj),$(OBJS))
 227
 228 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
 229
 230 LIBS-y += lib/libgeneric.o
 231 LIBS-y += lib/lzma/liblzma.o
 232 LIBS-y += lib/lzo/liblzo.o
 233 LIBS-y += lib/zlib/libz.o
 234 LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o
 235 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
 236 LIBS-y += $(CPUDIR)/lib$(CPU).o
 237 ifdef SOC
 238 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
 239 endif
 240 ifeq ($(CPU),ixp)
 241 LIBS-y += arch/arm/cpu/ixp/npe/libnpe.o
 242 endif
 243 LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
 244 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
 245 LIBS-y += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \
 246         fs/reiserfs/libreiserfs.o fs/ext2/libext2fs.o fs/yaffs2/libyaffs2.o \
 247         fs/ubifs/libubifs.o fs/zfs/libzfs.o
 248 LIBS-y += net/libnet.o
 249 LIBS-y += disk/libdisk.o
 250 LIBS-y += drivers/bios_emulator/libatibiosemu.o
 251 LIBS-y += drivers/block/libblock.o
 252 LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o
 253 LIBS-y += drivers/dma/libdma.o
 254 LIBS-y += drivers/fpga/libfpga.o
 255 LIBS-y += drivers/gpio/libgpio.o
 256 LIBS-y += drivers/hwmon/libhwmon.o
 257 LIBS-y += drivers/i2c/libi2c.o
 258 LIBS-y += drivers/input/libinput.o
 259 LIBS-y += drivers/misc/libmisc.o
 260 LIBS-y += drivers/mmc/libmmc.o
 261 LIBS-y += drivers/mtd/libmtd.o
 262 LIBS-y += drivers/mtd/nand/libnand.o
 263 LIBS-y += drivers/mtd/onenand/libonenand.o
 264 LIBS-y += drivers/mtd/ubi/libubi.o
 265 LIBS-y += drivers/mtd/spi/libspi_flash.o
 266 LIBS-y += drivers/net/libnet.o
 267 LIBS-y += drivers/net/phy/libphy.o
 268 LIBS-y += drivers/pci/libpci.o
 269 LIBS-y += drivers/pcmcia/libpcmcia.o
 270 LIBS-y += drivers/power/libpower.o
 271 LIBS-y += drivers/spi/libspi.o
 272 LIBS-y += drivers/dfu/libdfu.o
 273 ifeq ($(CPU),mpc83xx)
 274 LIBS-y += drivers/qe/libqe.o
 275 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 276 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 277 endif
 278 ifeq ($(CPU),mpc85xx)
 279 LIBS-y += drivers/qe/libqe.o
 280 LIBS-y += drivers/net/fm/libfm.o
 281 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 282 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 283 endif
 284 ifeq ($(CPU),mpc86xx)
 285 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 286 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 287 endif
 288 LIBS-y += drivers/rtc/librtc.o
 289 LIBS-y += drivers/serial/libserial.o
 290 LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o
 291 LIBS-y += drivers/twserial/libtws.o
 292 LIBS-y += drivers/usb/eth/libusb_eth.o
 293 LIBS-y += drivers/usb/gadget/libusb_gadget.o
 294 LIBS-y += drivers/usb/host/libusb_host.o
 295 LIBS-y += drivers/usb/musb/libusb_musb.o
 296 LIBS-y += drivers/usb/phy/libusb_phy.o
 297 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
 298 LIBS-y += drivers/video/libvideo.o
 299 LIBS-y += drivers/watchdog/libwatchdog.o
 300 LIBS-y += common/libcommon.o
 301 LIBS-y += lib/libfdt/libfdt.o
 302 LIBS-y += api/libapi.o
 303 LIBS-y += post/libpost.o
 304 LIBS-y += test/libtest.o
 305
 306 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
 307 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
 308 endif
 309
 310 ifeq ($(SOC),mx5)
 311 LIBS-y += $(CPUDIR)/imx-common/libimx-common.o
 312 endif
 313 ifeq ($(SOC),mx6)
 314 LIBS-y += $(CPUDIR)/imx-common/libimx-common.o
 315 endif
 316
 317 ifeq ($(SOC),s5pc1xx)
 318 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 319 endif
 320 ifeq ($(SOC),exynos)
 321 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 322 endif
 323 ifeq ($(SOC),tegra20)
 324 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
 325 endif
 326
 327 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 328 .PHONY : $(LIBS)
 329
 330 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
 331 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
 332
 333 # Add GCC lib
 334 ifdef USE_PRIVATE_LIBGCC
 335 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 336 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 337 else
 338 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 339 endif
 340 else
 341 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 342 endif
 343 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 344 export PLATFORM_LIBS
 345
 346 # Special flags for CPP when processing the linker script.
 347 # Pass the version down so we can handle backwards compatibility
 348 # on the fly.
 349 LDPPFLAGS += \
 350         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 351         -DCPUDIR=$(CPUDIR) \
 352         $(shell $(LD) --version | \
 353           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 354
 355 __OBJS := $(subst $(obj),,$(OBJS))
 356 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
 357
 358 #########################################################################
 359 #########################################################################
 360
 361 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 362 BOARD_SIZE_CHECK = \
 363         @actual=`wc -c $@ | awk '{print $$1}'`; \
 364         limit=$(CONFIG_BOARD_SIZE_LIMIT); \
 365         if test $$actual -gt $$limit; then \
 366                 echo "$@ exceeds file size limit:"; \
 367                 echo "  limit:  $$limit bytes"; \
 368                 echo "  actual: $$actual bytes"; \
 369                 echo "  excess: $$((actual - limit)) bytes"; \
 370                 exit 1; \
 371         fi
 372 else
 373 BOARD_SIZE_CHECK =
 374 endif
 375
 376 # Always append ALL so that arch config.mk's can add custom ones
 377 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 378
 379 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 380 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 381 ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin
 382 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 383 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 384
 385 # enable combined SPL/u-boot/dtb rules for tegra
 386 ifeq ($(SOC),tegra20)
 387 ifeq ($(CONFIG_OF_SEPARATE),y)
 388 ALL-y += $(obj)u-boot-dtb-tegra.bin
 389 else
 390 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 391 endif
 392 endif
 393
 394 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
 395
 396 $(obj)u-boot.dtb:       $(obj)u-boot
 397                 $(MAKE) -C dts binary
 398                 mv $(obj)dts/dt.dtb $@
 399
 400 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 401                 cat $^ >$@
 402
 403 $(obj)u-boot.hex:       $(obj)u-boot
 404                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 405
 406 $(obj)u-boot.srec:      $(obj)u-boot
 407                 $(OBJCOPY) -O srec $< $@
 408
 409 $(obj)u-boot.bin:       $(obj)u-boot
 410                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 411                 $(BOARD_SIZE_CHECK)
 412
 413 $(obj)u-boot.ldr:       $(obj)u-boot
 414                 $(CREATE_LDR_ENV)
 415                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 416                 $(BOARD_SIZE_CHECK)
 417
 418 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 419                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 420
 421 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 422                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 423
 424 $(obj)u-boot.img:       $(obj)u-boot.bin
 425                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 426                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
 427                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 428                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 429                 -d $< $@
 430
 431 $(obj)u-boot.imx:       $(obj)u-boot.bin
 432                 $(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
 433                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 434
 435 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 436                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 437                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 438
 439 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 440                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 441
 442 $(obj)u-boot.dis:       $(obj)u-boot
 443                 $(OBJDUMP) -d $< > $@
 444
 445 $(obj)u-boot.ubl:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 446                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 447                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
 448                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 449                 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
 450                 rm $(obj)u-boot-ubl.bin
 451                 rm $(obj)spl/u-boot-spl-pad.bin
 452
 453 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 454                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
 455                         -T aisimage \
 456                         -e $(CONFIG_SPL_TEXT_BASE) \
 457                         -d $(obj)spl/u-boot-spl.bin \
 458                         $(obj)spl/u-boot-spl.ais
 459                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 460                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 461                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 462                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \
 463                         $(obj)u-boot.ais
 464
 465 # Specify the target for use in elftosb call
 466 ELFTOSB_TARGET-$(CONFIG_MX28) = imx28
 467
 468 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 469                 elftosb -zdf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \
 470                         -o $(obj)u-boot.sb
 471
 472 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 473 # Both images are created using mkimage (crc etc), so that the ROM
 474 # bootloader can check its integrity. Padding needs to be done to the
 475 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 476 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 477 # The resulting image containing both U-Boot images is called u-boot.spr
 478 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 479                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 480                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 481                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 482                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 483                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 484                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 485                         conv=notrunc 2>/dev/null
 486                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 487
 488 ifeq ($(SOC),tegra20)
 489 ifeq ($(CONFIG_OF_SEPARATE),y)
 490 $(obj)u-boot-dtb-tegra.bin:     $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(obj)u-boot.dtb
 491                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 492                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(obj)u-boot.dtb > $@
 493                 rm $(obj)spl/u-boot-spl-pad.bin
 494 else
 495 $(obj)u-boot-nodtb-tegra.bin:   $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 496                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 497                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 498                 rm $(obj)spl/u-boot-spl-pad.bin
 499 endif
 500 endif
 501
 502 ifeq ($(CONFIG_SANDBOX),y)
 503 GEN_UBOOT = \
 504                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 505                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 506                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 507 else
 508 GEN_UBOOT = \
 509                 UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
 510                 sed  -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
 511                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
 512                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 513                         -Map u-boot.map -o u-boot
 514 endif
 515
 516 $(obj)u-boot:   depend \
 517                 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 518                 $(GEN_UBOOT)
 519 ifeq ($(CONFIG_KALLSYMS),y)
 520                 smap=`$(call SYSTEM_MAP,u-boot) | \
 521                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 522                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 523                         -c common/system_map.c -o $(obj)common/system_map.o
 524                 $(GEN_UBOOT) $(obj)common/system_map.o
 525 endif
 526
 527 $(OBJS):        depend
 528                 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
 529
 530 $(LIBS):        depend $(SUBDIR_TOOLS)
 531                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 532
 533 $(LIBBOARD):    depend $(LIBS)
 534                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 535
 536 $(SUBDIRS):     depend
 537                 $(MAKE) -C $@ all
 538
 539 $(SUBDIR_EXAMPLES): $(obj)u-boot
 540
 541 $(LDSCRIPT):    depend
 542                 $(MAKE) -C $(dir $@) $(notdir $@)
 543
 544 $(obj)u-boot.lds: $(LDSCRIPT)
 545                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 546
 547 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 548                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 549
 550 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 551                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 552
 553 onenand_ipl:    $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
 554                 $(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
 555
 556 $(obj)u-boot-onenand.bin:       onenand_ipl $(obj)u-boot.bin
 557                 cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
 558
 559 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 560                 $(MAKE) -C spl all
 561
 562 updater:
 563                 $(MAKE) -C tools/updater all
 564
 565 # Explicitly make _depend in subdirs containing multiple targets to prevent
 566 # parallel sub-makes creating .depend files simultaneously.
 567 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 568                 $(obj)include/autoconf.mk \
 569                 $(obj)include/generated/generic-asm-offsets.h \
 570                 $(obj)include/generated/asm-offsets.h
 571                 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
 572                         $(MAKE) -C $$dir _depend ; done
 573
 574 TAG_SUBDIRS = $(SUBDIRS)
 575 TAG_SUBDIRS += $(dir $(__LIBS))
 576 TAG_SUBDIRS += include
 577
 578 FIND := find
 579 FINDFLAGS := -L
 580
 581 checkstack:
 582                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 583                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 584                         perl $(src)tools/checkstack.pl $(ARCH)
 585
 586 tags ctags:
 587                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 588                                                 -name '*.[chS]' -print`
 589
 590 etags:
 591                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 592                                                 -name '*.[chS]' -print`
 593 cscope:
 594                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 595                                                 cscope.files
 596                 cscope -b -q -k
 597
 598 SYSTEM_MAP = \
 599                 $(NM) $1 | \
 600                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 601                 LC_ALL=C sort
 602 $(obj)System.map:       $(obj)u-boot
 603                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
 604
 605 checkthumb:
 606         @if test $(call cc-version) -lt 0404; then \
 607                 echo -n '*** Your GCC does not produce working '; \
 608                 echo 'binaries in THUMB mode.'; \
 609                 echo '*** Your board is configured for THUMB mode.'; \
 610                 false; \
 611         fi
 612 #
 613 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 614 #
 615 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 616 # the dep file is only include in this top level makefile to determine when
 617 # to regenerate the autoconf.mk file.
 618 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 619         @$(XECHO) Generating $@ ; \
 620         set -e ; \
 621         : Generate the dependancies ; \
 622         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 623                 -MQ $(obj)include/autoconf.mk include/common.h > $@
 624
 625 $(obj)include/autoconf.mk: $(obj)include/config.h
 626         @$(XECHO) Generating $@ ; \
 627         set -e ; \
 628         : Extract the config macros ; \
 629         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
 630                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 631         mv $@.tmp $@
 632
 633 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 634         $(obj)lib/asm-offsets.s
 635         @$(XECHO) Generating $@
 636         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 637
 638 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
 639         $(src)lib/asm-offsets.c
 640         @mkdir -p $(obj)lib
 641         $(CC) -DDO_DEPS_ONLY \
 642                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 643                 -o $@ $(src)lib/asm-offsets.c -c -S
 644
 645 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 646         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 647         @$(XECHO) Generating $@
 648         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 649
 650 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep
 651         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 652         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 653                 $(CC) -DDO_DEPS_ONLY \
 654                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 655                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 656         else \
 657                 touch $@; \
 658         fi
 659
 660 #########################################################################
 661 else    # !config.mk
 662 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 663 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 664 $(filter-out tools,$(SUBDIRS)) \
 665 updater depend dep tags ctags etags cscope $(obj)System.map:
 666         @echo "System not configured - see README" >&2
 667         @ exit 1
 668
 669 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 670         $(MAKE) -C $@ all
 671 endif   # config.mk
 672
 673 $(VERSION_FILE):
 674                 @mkdir -p $(dir $(VERSION_FILE))
 675                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
 676                    printf '#define PLAIN_VERSION "%s%s"\n' \
 677                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 678                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 679                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 680                 ) > $@.tmp
 681                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 682                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 683                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 684                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 685                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 686
 687 $(TIMESTAMP_FILE):
 688                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 689                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 690                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 691                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 692
 693 easylogo env gdb:
 694         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 695 gdbtools: gdb
 696
 697 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 698         $(MAKE) -C tools HOST_TOOLS_ALL=y
 699
 700 .PHONY : CHANGELOG
 701 CHANGELOG:
 702         git log --no-merges U-Boot-1_1_5.. | \
 703         unexpand -a | sed -e 's/\s\s*$$//' > $@
 704
 705 include/license.h: tools/bin2header COPYING
 706         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 707 #########################################################################
 708
 709 unconfig:
 710         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 711                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 712                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
 713
 714 %_config::      unconfig
 715         @$(MKCONFIG) -A $(@:_config=)
 716
 717 sinclude $(obj).boards.depend
 718 $(obj).boards.depend:   boards.cfg
 719         @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
 720
 721 #
 722 # Functions to generate common board directory names
 723 #
 724 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
 725 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
 726
 727 #========================================================================
 728 # ARM
 729 #========================================================================
 730
 731 SX1_stdout_serial_config \
 732 SX1_config:             unconfig
 733         @mkdir -p $(obj)include
 734         @if [ "$(findstring _stdout_serial_, $@)" ] ; then \
 735                 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
 736         else \
 737                 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
 738         fi;
 739         @$(MKCONFIG) -n $@ SX1 arm arm925t sx1
 740
 741 #########################################################################
 742 ## ARM1176 Systems
 743 #########################################################################
 744 smdk6400_noUSB_config   \
 745 smdk6400_config :       unconfig
 746         @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
 747         @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
 748         @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
 749         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 750         @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then                       \
 751                 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 752         else                                                                            \
 753                 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 754         fi
 755         @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
 756         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 757
 758 #########################################################################
 759 #########################################################################
 760
 761 clean:
 762         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 763                $(obj)examples/standalone/atmel_df_pow2                    \
 764                $(obj)examples/standalone/eepro100_eeprom                  \
 765                $(obj)examples/standalone/hello_world                      \
 766                $(obj)examples/standalone/interrupt                        \
 767                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 768                $(obj)examples/standalone/sched                            \
 769                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 770                $(obj)examples/standalone/test_burst                       \
 771                $(obj)examples/standalone/timer
 772         @rm -f $(obj)examples/api/demo{,.bin}
 773         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 774                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 775                $(obj)tools/envcrc                                         \
 776                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 777                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 778                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 779                $(obj)tools/mk{smdk5250,}spl                               \
 780                $(obj)tools/ncb             $(obj)tools/ubsha1
 781         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 782                $(obj)board/matrix_vision/*/bootscript.img                 \
 783                $(obj)board/voiceblue/eeprom                               \
 784                $(obj)u-boot.lds                                           \
 785                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
 786                $(obj)arch/blackfin/cpu/init.{lds,elf}
 787         @rm -f $(obj)include/bmp_logo.h
 788         @rm -f $(obj)include/bmp_logo_data.h
 789         @rm -f $(obj)lib/asm-offsets.s
 790         @rm -f $(obj)include/generated/asm-offsets.h
 791         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 792         @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
 793         @rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
 794         @rm -f $(ONENAND_BIN)
 795         @rm -f $(obj)onenand_ipl/u-boot.lds
 796         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
 797         @rm -f $(obj)MLO
 798         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 799         @find $(OBJTREE) -type f \
 800                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 801                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \) -print \
 802                 | xargs rm -f
 803
 804 # Removes everything not needed for testing u-boot
 805 tidy:   clean
 806         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 807
 808 clobber:        tidy
 809         @find $(OBJTREE) -type f \( -name '*.srec' \
 810                 -o -name '*.bin' -o -name u-boot.img \) \
 811                 -print0 | xargs -0 rm -f
 812         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 813                 $(obj)cscope.* $(obj)*.*~
 814         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 815         @rm -f $(obj)u-boot.kwb
 816         @rm -f $(obj)u-boot.imx
 817         @rm -f $(obj)u-boot.ubl
 818         @rm -f $(obj)u-boot.ais
 819         @rm -f $(obj)u-boot.dtb
 820         @rm -f $(obj)u-boot.sb
 821         @rm -f $(obj)u-boot.spr
 822         @rm -f $(obj)tools/xway-swap-bytes
 823         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
 824         @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 825         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 826         @rm -fr $(obj)include/generated
 827         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 828         @[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -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 #########################################################################