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