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 ifeq ($(CPU),mpc83xx)
 273 LIBS-y += drivers/qe/libqe.o
 274 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 275 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 276 endif
 277 ifeq ($(CPU),mpc85xx)
 278 LIBS-y += drivers/qe/libqe.o
 279 LIBS-y += drivers/net/fm/libfm.o
 280 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 281 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 282 endif
 283 ifeq ($(CPU),mpc86xx)
 284 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 285 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 286 endif
 287 LIBS-y += drivers/rtc/librtc.o
 288 LIBS-y += drivers/serial/libserial.o
 289 LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o
 290 LIBS-y += drivers/twserial/libtws.o
 291 LIBS-y += drivers/usb/eth/libusb_eth.o
 292 LIBS-y += drivers/usb/gadget/libusb_gadget.o
 293 LIBS-y += drivers/usb/host/libusb_host.o
 294 LIBS-y += drivers/usb/musb/libusb_musb.o
 295 LIBS-y += drivers/usb/phy/libusb_phy.o
 296 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
 297 LIBS-y += drivers/video/libvideo.o
 298 LIBS-y += drivers/watchdog/libwatchdog.o
 299 LIBS-y += common/libcommon.o
 300 LIBS-y += lib/libfdt/libfdt.o
 301 LIBS-y += api/libapi.o
 302 LIBS-y += post/libpost.o
 303 LIBS-y += test/libtest.o
 304
 305 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
 306 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
 307 endif
 308
 309 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 310 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 311 endif
 312
 313 ifeq ($(SOC),s5pc1xx)
 314 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 315 endif
 316 ifeq ($(SOC),exynos)
 317 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 318 endif
 319 ifeq ($(SOC),tegra20)
 320 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
 321 endif
 322
 323 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 324 .PHONY : $(LIBS)
 325
 326 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
 327 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
 328
 329 # Add GCC lib
 330 ifdef USE_PRIVATE_LIBGCC
 331 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 332 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 333 else
 334 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 335 endif
 336 else
 337 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 338 endif
 339 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 340 export PLATFORM_LIBS
 341
 342 # Special flags for CPP when processing the linker script.
 343 # Pass the version down so we can handle backwards compatibility
 344 # on the fly.
 345 LDPPFLAGS += \
 346         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 347         -DCPUDIR=$(CPUDIR) \
 348         $(shell $(LD) --version | \
 349           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 350
 351 __OBJS := $(subst $(obj),,$(OBJS))
 352 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
 353
 354 #########################################################################
 355 #########################################################################
 356
 357 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 358 BOARD_SIZE_CHECK = \
 359         @actual=`wc -c $@ | awk '{print $$1}'`; \
 360         limit=$(CONFIG_BOARD_SIZE_LIMIT); \
 361         if test $$actual -gt $$limit; then \
 362                 echo "$@ exceeds file size limit:"; \
 363                 echo "  limit:  $$limit bytes"; \
 364                 echo "  actual: $$actual bytes"; \
 365                 echo "  excess: $$((actual - limit)) bytes"; \
 366                 exit 1; \
 367         fi
 368 else
 369 BOARD_SIZE_CHECK =
 370 endif
 371
 372 # Always append ALL so that arch config.mk's can add custom ones
 373 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 374
 375 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 376 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 377 ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin
 378 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 379 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 380
 381 # enable combined SPL/u-boot/dtb rules for tegra
 382 ifeq ($(SOC),tegra20)
 383 ifeq ($(CONFIG_OF_SEPARATE),y)
 384 ALL-y += $(obj)u-boot-dtb-tegra.bin
 385 else
 386 ALL-y += $(obj)u-boot-nodtb-tegra.bin
 387 endif
 388 endif
 389
 390 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
 391
 392 $(obj)u-boot.dtb:       $(obj)u-boot
 393                 $(MAKE) -C dts binary
 394                 mv $(obj)dts/dt.dtb $@
 395
 396 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 397                 cat $^ >$@
 398
 399 $(obj)u-boot.hex:       $(obj)u-boot
 400                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 401
 402 $(obj)u-boot.srec:      $(obj)u-boot
 403                 $(OBJCOPY) -O srec $< $@
 404
 405 $(obj)u-boot.bin:       $(obj)u-boot
 406                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 407                 $(BOARD_SIZE_CHECK)
 408
 409 $(obj)u-boot.ldr:       $(obj)u-boot
 410                 $(CREATE_LDR_ENV)
 411                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 412                 $(BOARD_SIZE_CHECK)
 413
 414 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 415                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 416
 417 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 418                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 419
 420 $(obj)u-boot.img:       $(obj)u-boot.bin
 421                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 422                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
 423                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 424                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 425                 -d $< $@
 426
 427 $(obj)u-boot.imx:       $(obj)u-boot.bin
 428                 $(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
 429                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 430
 431 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 432                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 433                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 434
 435 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 436                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 437
 438 $(obj)u-boot.dis:       $(obj)u-boot
 439                 $(OBJDUMP) -d $< > $@
 440
 441 $(obj)u-boot.ubl:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 442                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 443                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
 444                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 445                 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
 446                 rm $(obj)u-boot-ubl.bin
 447                 rm $(obj)spl/u-boot-spl-pad.bin
 448
 449 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 450                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
 451                         -T aisimage \
 452                         -e $(CONFIG_SPL_TEXT_BASE) \
 453                         -d $(obj)spl/u-boot-spl.bin \
 454                         $(obj)spl/u-boot-spl.ais
 455                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 456                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 457                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 458                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \
 459                         $(obj)u-boot.ais
 460
 461 # Specify the target for use in elftosb call
 462 ELFTOSB_TARGET-$(CONFIG_MX28) = imx28
 463
 464 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 465                 elftosb -zdf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \
 466                         -o $(obj)u-boot.sb
 467
 468 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 469 # Both images are created using mkimage (crc etc), so that the ROM
 470 # bootloader can check its integrity. Padding needs to be done to the
 471 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 472 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 473 # The resulting image containing both U-Boot images is called u-boot.spr
 474 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 475                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 476                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 477                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 478                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 479                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 480                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 481                         conv=notrunc 2>/dev/null
 482                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 483
 484 ifeq ($(SOC),tegra20)
 485 ifeq ($(CONFIG_OF_SEPARATE),y)
 486 $(obj)u-boot-dtb-tegra.bin:     $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(obj)u-boot.dtb
 487                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 488                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(obj)u-boot.dtb > $@
 489                 rm $(obj)spl/u-boot-spl-pad.bin
 490 else
 491 $(obj)u-boot-nodtb-tegra.bin:   $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 492                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 493                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
 494                 rm $(obj)spl/u-boot-spl-pad.bin
 495 endif
 496 endif
 497
 498 ifeq ($(CONFIG_SANDBOX),y)
 499 GEN_UBOOT = \
 500                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 501                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 502                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 503 else
 504 GEN_UBOOT = \
 505                 UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
 506                 sed  -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
 507                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
 508                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 509                         -Map u-boot.map -o u-boot
 510 endif
 511
 512 $(obj)u-boot:   depend \
 513                 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 514                 $(GEN_UBOOT)
 515 ifeq ($(CONFIG_KALLSYMS),y)
 516                 smap=`$(call SYSTEM_MAP,u-boot) | \
 517                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 518                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 519                         -c common/system_map.c -o $(obj)common/system_map.o
 520                 $(GEN_UBOOT) $(obj)common/system_map.o
 521 endif
 522
 523 $(OBJS):        depend
 524                 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
 525
 526 $(LIBS):        depend $(SUBDIR_TOOLS)
 527                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 528
 529 $(LIBBOARD):    depend $(LIBS)
 530                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 531
 532 $(SUBDIRS):     depend
 533                 $(MAKE) -C $@ all
 534
 535 $(SUBDIR_EXAMPLES): $(obj)u-boot
 536
 537 $(LDSCRIPT):    depend
 538                 $(MAKE) -C $(dir $@) $(notdir $@)
 539
 540 $(obj)u-boot.lds: $(LDSCRIPT)
 541                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 542
 543 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 544                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 545
 546 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 547                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 548
 549 onenand_ipl:    $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
 550                 $(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
 551
 552 $(obj)u-boot-onenand.bin:       onenand_ipl $(obj)u-boot.bin
 553                 cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
 554
 555 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 556                 $(MAKE) -C spl all
 557
 558 updater:
 559                 $(MAKE) -C tools/updater all
 560
 561 # Explicitly make _depend in subdirs containing multiple targets to prevent
 562 # parallel sub-makes creating .depend files simultaneously.
 563 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 564                 $(obj)include/autoconf.mk \
 565                 $(obj)include/generated/generic-asm-offsets.h \
 566                 $(obj)include/generated/asm-offsets.h
 567                 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
 568                         $(MAKE) -C $$dir _depend ; done
 569
 570 TAG_SUBDIRS = $(SUBDIRS)
 571 TAG_SUBDIRS += $(dir $(__LIBS))
 572 TAG_SUBDIRS += include
 573
 574 FIND := find
 575 FINDFLAGS := -L
 576
 577 checkstack:
 578                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 579                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 580                         perl $(src)tools/checkstack.pl $(ARCH)
 581
 582 tags ctags:
 583                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 584                                                 -name '*.[chS]' -print`
 585
 586 etags:
 587                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 588                                                 -name '*.[chS]' -print`
 589 cscope:
 590                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 591                                                 cscope.files
 592                 cscope -b -q -k
 593
 594 SYSTEM_MAP = \
 595                 $(NM) $1 | \
 596                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 597                 LC_ALL=C sort
 598 $(obj)System.map:       $(obj)u-boot
 599                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
 600
 601 checkthumb:
 602         @if test $(call cc-version) -lt 0404; then \
 603                 echo -n '*** Your GCC does not produce working '; \
 604                 echo 'binaries in THUMB mode.'; \
 605                 echo '*** Your board is configured for THUMB mode.'; \
 606                 false; \
 607         fi
 608 #
 609 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 610 #
 611 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 612 # the dep file is only include in this top level makefile to determine when
 613 # to regenerate the autoconf.mk file.
 614 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 615         @$(XECHO) Generating $@ ; \
 616         set -e ; \
 617         : Generate the dependancies ; \
 618         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 619                 -MQ $(obj)include/autoconf.mk include/common.h > $@
 620
 621 $(obj)include/autoconf.mk: $(obj)include/config.h
 622         @$(XECHO) Generating $@ ; \
 623         set -e ; \
 624         : Extract the config macros ; \
 625         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
 626                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 627         mv $@.tmp $@
 628
 629 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 630         $(obj)lib/asm-offsets.s
 631         @$(XECHO) Generating $@
 632         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 633
 634 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
 635         $(src)lib/asm-offsets.c
 636         @mkdir -p $(obj)lib
 637         $(CC) -DDO_DEPS_ONLY \
 638                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 639                 -o $@ $(src)lib/asm-offsets.c -c -S
 640
 641 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 642         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 643         @$(XECHO) Generating $@
 644         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 645
 646 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep
 647         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 648         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 649                 $(CC) -DDO_DEPS_ONLY \
 650                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 651                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 652         else \
 653                 touch $@; \
 654         fi
 655
 656 #########################################################################
 657 else    # !config.mk
 658 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 659 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 660 $(filter-out tools,$(SUBDIRS)) \
 661 updater depend dep tags ctags etags cscope $(obj)System.map:
 662         @echo "System not configured - see README" >&2
 663         @ exit 1
 664
 665 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 666         $(MAKE) -C $@ all
 667 endif   # config.mk
 668
 669 $(VERSION_FILE):
 670                 @mkdir -p $(dir $(VERSION_FILE))
 671                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
 672                    printf '#define PLAIN_VERSION "%s%s"\n' \
 673                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 674                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 675                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 676                 ) > $@.tmp
 677                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 678                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 679                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 680                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 681                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 682
 683 $(TIMESTAMP_FILE):
 684                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 685                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 686                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 687                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 688
 689 easylogo env gdb:
 690         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 691 gdbtools: gdb
 692
 693 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 694         $(MAKE) -C tools HOST_TOOLS_ALL=y
 695
 696 .PHONY : CHANGELOG
 697 CHANGELOG:
 698         git log --no-merges U-Boot-1_1_5.. | \
 699         unexpand -a | sed -e 's/\s\s*$$//' > $@
 700
 701 include/license.h: tools/bin2header COPYING
 702         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 703 #########################################################################
 704
 705 unconfig:
 706         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 707                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 708                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
 709
 710 %_config::      unconfig
 711         @$(MKCONFIG) -A $(@:_config=)
 712
 713 sinclude $(obj).boards.depend
 714 $(obj).boards.depend:   boards.cfg
 715         @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
 716
 717 #
 718 # Functions to generate common board directory names
 719 #
 720 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
 721 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
 722
 723 #========================================================================
 724 # ARM
 725 #========================================================================
 726
 727 SX1_stdout_serial_config \
 728 SX1_config:             unconfig
 729         @mkdir -p $(obj)include
 730         @if [ "$(findstring _stdout_serial_, $@)" ] ; then \
 731                 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
 732         else \
 733                 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
 734         fi;
 735         @$(MKCONFIG) -n $@ SX1 arm arm925t sx1
 736
 737 #########################################################################
 738 ## ARM1176 Systems
 739 #########################################################################
 740 smdk6400_noUSB_config   \
 741 smdk6400_config :       unconfig
 742         @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
 743         @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
 744         @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
 745         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 746         @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then                       \
 747                 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 748         else                                                                            \
 749                 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 750         fi
 751         @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
 752         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 753
 754 #########################################################################
 755 #########################################################################
 756
 757 clean:
 758         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 759                $(obj)examples/standalone/atmel_df_pow2                    \
 760                $(obj)examples/standalone/eepro100_eeprom                  \
 761                $(obj)examples/standalone/hello_world                      \
 762                $(obj)examples/standalone/interrupt                        \
 763                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 764                $(obj)examples/standalone/sched                            \
 765                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 766                $(obj)examples/standalone/test_burst                       \
 767                $(obj)examples/standalone/timer
 768         @rm -f $(obj)examples/api/demo{,.bin}
 769         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 770                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 771                $(obj)tools/envcrc                                         \
 772                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 773                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 774                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 775                $(obj)tools/mk{smdk5250,}spl                               \
 776                $(obj)tools/mxsboot                                        \
 777                $(obj)tools/ncb             $(obj)tools/ubsha1
 778         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 779                $(obj)board/matrix_vision/*/bootscript.img                 \
 780                $(obj)board/voiceblue/eeprom                               \
 781                $(obj)u-boot.lds                                           \
 782                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
 783                $(obj)arch/blackfin/cpu/init.{lds,elf}
 784         @rm -f $(obj)include/bmp_logo.h
 785         @rm -f $(obj)include/bmp_logo_data.h
 786         @rm -f $(obj)lib/asm-offsets.s
 787         @rm -f $(obj)include/generated/asm-offsets.h
 788         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 789         @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
 790         @rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
 791         @rm -f $(ONENAND_BIN)
 792         @rm -f $(obj)onenand_ipl/u-boot.lds
 793         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
 794         @rm -f $(obj)MLO
 795         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 796         @find $(OBJTREE) -type f \
 797                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 798                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \) -print \
 799                 | xargs rm -f
 800
 801 # Removes everything not needed for testing u-boot
 802 tidy:   clean
 803         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 804
 805 clobber:        tidy
 806         @find $(OBJTREE) -type f \( -name '*.srec' \
 807                 -o -name '*.bin' -o -name u-boot.img \) \
 808                 -print0 | xargs -0 rm -f
 809         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 810                 $(obj)cscope.* $(obj)*.*~
 811         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 812         @rm -f $(obj)u-boot.kwb
 813         @rm -f $(obj)u-boot.imx
 814         @rm -f $(obj)u-boot.ubl
 815         @rm -f $(obj)u-boot.ais
 816         @rm -f $(obj)u-boot.dtb
 817         @rm -f $(obj)u-boot.sb
 818         @rm -f $(obj)u-boot.spr
 819         @rm -f $(obj)tools/xway-swap-bytes
 820         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
 821         @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 822         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 823         @rm -fr $(obj)include/generated
 824         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 825         @[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f
 826         @rm -f $(obj)dts/*.tmp
 827         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
 828
 829 mrproper \
 830 distclean:      clobber unconfig
 831 ifneq ($(OBJTREE),$(SRCTREE))
 832         rm -rf $(obj)*
 833 endif
 834
 835 backup:
 836         F=`basename $(TOPDIR)` ; cd .. ; \
 837         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 838
 839 #########################################################################