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 LIBS  = lib/libgeneric.o
 229 LIBS += lib/lzma/liblzma.o
 230 LIBS += lib/lzo/liblzo.o
 231 LIBS += lib/zlib/libz.o
 232 ifeq ($(CONFIG_TIZEN),y)
 233 LIBS += lib/tizen/libtizen.o
 234 endif
 235 LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \
 236         "board/$(VENDOR)/common/lib$(VENDOR).o"; fi)
 237 LIBS += $(CPUDIR)/lib$(CPU).o
 238 ifdef SOC
 239 LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).o
 240 endif
 241 ifeq ($(CPU),ixp)
 242 LIBS += arch/arm/cpu/ixp/npe/libnpe.o
 243 endif
 244 ifeq ($(CONFIG_OF_EMBED),y)
 245 LIBS += dts/libdts.o
 246 endif
 247 LIBS += arch/$(ARCH)/lib/lib$(ARCH).o
 248 LIBS += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \
 249         fs/reiserfs/libreiserfs.o fs/ext2/libext2fs.o fs/yaffs2/libyaffs2.o \
 250         fs/ubifs/libubifs.o fs/zfs/libzfs.o
 251 LIBS += net/libnet.o
 252 LIBS += disk/libdisk.o
 253 LIBS += drivers/bios_emulator/libatibiosemu.o
 254 LIBS += drivers/block/libblock.o
 255 LIBS += drivers/dma/libdma.o
 256 LIBS += drivers/fpga/libfpga.o
 257 LIBS += drivers/gpio/libgpio.o
 258 LIBS += drivers/hwmon/libhwmon.o
 259 LIBS += drivers/i2c/libi2c.o
 260 LIBS += drivers/input/libinput.o
 261 LIBS += drivers/misc/libmisc.o
 262 LIBS += drivers/mmc/libmmc.o
 263 LIBS += drivers/mtd/libmtd.o
 264 LIBS += drivers/mtd/nand/libnand.o
 265 LIBS += drivers/mtd/onenand/libonenand.o
 266 LIBS += drivers/mtd/ubi/libubi.o
 267 LIBS += drivers/mtd/spi/libspi_flash.o
 268 LIBS += drivers/net/libnet.o
 269 LIBS += drivers/net/phy/libphy.o
 270 LIBS += drivers/pci/libpci.o
 271 LIBS += drivers/pcmcia/libpcmcia.o
 272 LIBS += drivers/power/libpower.o
 273 LIBS += drivers/spi/libspi.o
 274 ifeq ($(CPU),mpc83xx)
 275 LIBS += drivers/qe/libqe.o
 276 LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 277 LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 278 endif
 279 ifeq ($(CPU),mpc85xx)
 280 LIBS += drivers/qe/libqe.o
 281 LIBS += drivers/net/fm/libfm.o
 282 LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 283 LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 284 endif
 285 ifeq ($(CPU),mpc86xx)
 286 LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 287 LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 288 endif
 289 LIBS += drivers/rtc/librtc.o
 290 LIBS += drivers/serial/libserial.o
 291 ifeq ($(CONFIG_GENERIC_LPC_TPM),y)
 292 LIBS += drivers/tpm/libtpm.o
 293 endif
 294 LIBS += drivers/twserial/libtws.o
 295 LIBS += drivers/usb/eth/libusb_eth.o
 296 LIBS += drivers/usb/gadget/libusb_gadget.o
 297 LIBS += drivers/usb/host/libusb_host.o
 298 LIBS += drivers/usb/musb/libusb_musb.o
 299 LIBS += drivers/usb/phy/libusb_phy.o
 300 LIBS += drivers/usb/ulpi/libusb_ulpi.o
 301 LIBS += drivers/video/libvideo.o
 302 LIBS += drivers/watchdog/libwatchdog.o
 303 LIBS += common/libcommon.o
 304 LIBS += lib/libfdt/libfdt.o
 305 LIBS += api/libapi.o
 306 LIBS += post/libpost.o
 307 LIBS += test/libtest.o
 308
 309 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
 310 LIBS += $(CPUDIR)/omap-common/libomap-common.o
 311 endif
 312
 313 ifeq ($(SOC),mx5)
 314 LIBS += $(CPUDIR)/imx-common/libimx-common.o
 315 endif
 316 ifeq ($(SOC),mx6)
 317 LIBS += $(CPUDIR)/imx-common/libimx-common.o
 318 endif
 319
 320 ifeq ($(SOC),s5pc1xx)
 321 LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
 322 endif
 323 ifeq ($(SOC),exynos)
 324 LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
 325 endif
 326
 327 LIBS := $(addprefix $(obj),$(sort $(LIBS)))
 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 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
 386
 387 $(obj)u-boot.dtb:       $(obj)u-boot
 388                 $(MAKE) -C dts binary
 389                 mv $(obj)dts/dt.dtb $@
 390
 391 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 392                 cat $^ >$@
 393
 394 $(obj)u-boot.hex:       $(obj)u-boot
 395                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 396
 397 $(obj)u-boot.srec:      $(obj)u-boot
 398                 $(OBJCOPY) -O srec $< $@
 399
 400 $(obj)u-boot.bin:       $(obj)u-boot
 401                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 402                 $(BOARD_SIZE_CHECK)
 403
 404 $(obj)u-boot.ldr:       $(obj)u-boot
 405                 $(CREATE_LDR_ENV)
 406                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 407                 $(BOARD_SIZE_CHECK)
 408
 409 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 410                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 411
 412 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 413                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 414
 415 $(obj)u-boot.img:       $(obj)u-boot.bin
 416                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 417                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
 418                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 419                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 420                 -d $< $@
 421
 422 $(obj)u-boot.imx:       $(obj)u-boot.bin
 423                 $(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
 424                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 425
 426 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 427                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 428                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 429
 430 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 431                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 432
 433 $(obj)u-boot.dis:       $(obj)u-boot
 434                 $(OBJDUMP) -d $< > $@
 435
 436 $(obj)u-boot.ubl:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 437                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 438                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
 439                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 440                 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
 441                 rm $(obj)u-boot-ubl.bin
 442                 rm $(obj)spl/u-boot-spl-pad.bin
 443
 444 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 445                 $(obj)tools/mkimage -s -n /dev/null -T aisimage \
 446                         -e $(CONFIG_SPL_TEXT_BASE) \
 447                         -d $(obj)spl/u-boot-spl.bin \
 448                         $(obj)spl/u-boot-spl.ais
 449                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 450                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 451                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 452                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \
 453                         $(obj)u-boot.ais
 454                 rm $(obj)spl/u-boot-spl{,-pad}.ais
 455
 456 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 457                 elftosb -zdf imx28 -c $(TOPDIR)/board/$(BOARDDIR)/u-boot.bd \
 458                         -o $(obj)u-boot.sb
 459
 460 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
 461 # Both images are created using mkimage (crc etc), so that the ROM
 462 # bootloader can check its integrity. Padding needs to be done to the
 463 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
 464 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
 465 # The resulting image containing both U-Boot images is called u-boot.spr
 466 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
 467                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 468                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
 469                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
 470                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
 471                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
 472                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
 473                         conv=notrunc 2>/dev/null
 474                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
 475
 476 ifeq ($(CONFIG_SANDBOX),y)
 477 GEN_UBOOT = \
 478                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 479                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 480                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 481 else
 482 GEN_UBOOT = \
 483                 UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
 484                 sed  -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
 485                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
 486                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 487                         -Map u-boot.map -o u-boot
 488 endif
 489
 490 $(obj)u-boot:   depend \
 491                 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 492                 $(GEN_UBOOT)
 493 ifeq ($(CONFIG_KALLSYMS),y)
 494                 smap=`$(call SYSTEM_MAP,u-boot) | \
 495                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 496                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 497                         -c common/system_map.c -o $(obj)common/system_map.o
 498                 $(GEN_UBOOT) $(obj)common/system_map.o
 499 endif
 500
 501 $(OBJS):        depend
 502                 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
 503
 504 $(LIBS):        depend $(SUBDIR_TOOLS)
 505                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 506
 507 $(LIBBOARD):    depend $(LIBS)
 508                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 509
 510 $(SUBDIRS):     depend
 511                 $(MAKE) -C $@ all
 512
 513 $(SUBDIR_EXAMPLES): $(obj)u-boot
 514
 515 $(LDSCRIPT):    depend
 516                 $(MAKE) -C $(dir $@) $(notdir $@)
 517
 518 $(obj)u-boot.lds: $(LDSCRIPT)
 519                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 520
 521 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 522                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 523
 524 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 525                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 526
 527 onenand_ipl:    $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
 528                 $(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
 529
 530 $(obj)u-boot-onenand.bin:       onenand_ipl $(obj)u-boot.bin
 531                 cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
 532
 533 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 534                 $(MAKE) -C spl all
 535
 536 updater:
 537                 $(MAKE) -C tools/updater all
 538
 539 # Explicitly make _depend in subdirs containing multiple targets to prevent
 540 # parallel sub-makes creating .depend files simultaneously.
 541 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 542                 $(obj)include/autoconf.mk \
 543                 $(obj)include/generated/generic-asm-offsets.h \
 544                 $(obj)include/generated/asm-offsets.h
 545                 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
 546                         $(MAKE) -C $$dir _depend ; done
 547
 548 TAG_SUBDIRS = $(SUBDIRS)
 549 TAG_SUBDIRS += $(dir $(__LIBS))
 550 TAG_SUBDIRS += include
 551
 552 FIND := find
 553 FINDFLAGS := -L
 554
 555 checkstack:
 556                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
 557                         `$(FIND) $(obj) -name u-boot-spl -print` | \
 558                         perl $(src)tools/checkstack.pl $(ARCH)
 559
 560 tags ctags:
 561                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 562                                                 -name '*.[chS]' -print`
 563
 564 etags:
 565                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 566                                                 -name '*.[chS]' -print`
 567 cscope:
 568                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 569                                                 cscope.files
 570                 cscope -b -q -k
 571
 572 SYSTEM_MAP = \
 573                 $(NM) $1 | \
 574                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 575                 LC_ALL=C sort
 576 $(obj)System.map:       $(obj)u-boot
 577                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
 578
 579 checkthumb:
 580         @if test $(call cc-version) -lt 0404; then \
 581                 echo -n '*** Your GCC does not produce working '; \
 582                 echo 'binaries in THUMB mode.'; \
 583                 echo '*** Your board is configured for THUMB mode.'; \
 584                 false; \
 585         fi
 586 #
 587 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 588 #
 589 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 590 # the dep file is only include in this top level makefile to determine when
 591 # to regenerate the autoconf.mk file.
 592 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 593         @$(XECHO) Generating $@ ; \
 594         set -e ; \
 595         : Generate the dependancies ; \
 596         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 597                 -MQ $(obj)include/autoconf.mk include/common.h > $@
 598
 599 $(obj)include/autoconf.mk: $(obj)include/config.h
 600         @$(XECHO) Generating $@ ; \
 601         set -e ; \
 602         : Extract the config macros ; \
 603         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
 604                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 605         mv $@.tmp $@
 606
 607 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 608         $(obj)lib/asm-offsets.s
 609         @$(XECHO) Generating $@
 610         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 611
 612 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
 613         $(src)lib/asm-offsets.c
 614         @mkdir -p $(obj)lib
 615         $(CC) -DDO_DEPS_ONLY \
 616                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 617                 -o $@ $(src)lib/asm-offsets.c -c -S
 618
 619 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 620         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 621         @$(XECHO) Generating $@
 622         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 623
 624 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep
 625         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 626         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 627                 $(CC) -DDO_DEPS_ONLY \
 628                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 629                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 630         else \
 631                 touch $@; \
 632         fi
 633
 634 #########################################################################
 635 else    # !config.mk
 636 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 637 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 638 $(filter-out tools,$(SUBDIRS)) \
 639 updater depend dep tags ctags etags cscope $(obj)System.map:
 640         @echo "System not configured - see README" >&2
 641         @ exit 1
 642
 643 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 644         $(MAKE) -C $@ all
 645 endif   # config.mk
 646
 647 $(VERSION_FILE):
 648                 @mkdir -p $(dir $(VERSION_FILE))
 649                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
 650                    printf '#define PLAIN_VERSION "%s%s"\n' \
 651                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 652                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 653                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 654                 ) > $@.tmp
 655                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 656                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 657                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 658                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 659                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 660
 661 $(TIMESTAMP_FILE):
 662                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 663                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 664                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 665                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 666
 667 easylogo env gdb:
 668         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 669 gdbtools: gdb
 670
 671 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 672         $(MAKE) -C tools HOST_TOOLS_ALL=y
 673
 674 .PHONY : CHANGELOG
 675 CHANGELOG:
 676         git log --no-merges U-Boot-1_1_5.. | \
 677         unexpand -a | sed -e 's/\s\s*$$//' > $@
 678
 679 include/license.h: tools/bin2header COPYING
 680         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 681 #########################################################################
 682
 683 unconfig:
 684         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 685                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 686                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
 687
 688 %_config::      unconfig
 689         @$(MKCONFIG) -A $(@:_config=)
 690
 691 sinclude $(obj).boards.depend
 692 $(obj).boards.depend:   boards.cfg
 693         @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
 694
 695 #
 696 # Functions to generate common board directory names
 697 #
 698 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
 699 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
 700
 701 #========================================================================
 702 # ARM
 703 #========================================================================
 704
 705 SX1_stdout_serial_config \
 706 SX1_config:             unconfig
 707         @mkdir -p $(obj)include
 708         @if [ "$(findstring _stdout_serial_, $@)" ] ; then \
 709                 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
 710         else \
 711                 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
 712         fi;
 713         @$(MKCONFIG) -n $@ SX1 arm arm925t sx1
 714
 715 #########################################################################
 716 ## ARM1176 Systems
 717 #########################################################################
 718 smdk6400_noUSB_config   \
 719 smdk6400_config :       unconfig
 720         @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
 721         @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
 722         @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
 723         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 724         @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then                       \
 725                 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 726         else                                                                            \
 727                 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 728         fi
 729         @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
 730         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 731
 732 #########################################################################
 733 #########################################################################
 734
 735 clean:
 736         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 737                $(obj)examples/standalone/atmel_df_pow2                    \
 738                $(obj)examples/standalone/eepro100_eeprom                  \
 739                $(obj)examples/standalone/hello_world                      \
 740                $(obj)examples/standalone/interrupt                        \
 741                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 742                $(obj)examples/standalone/sched                            \
 743                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 744                $(obj)examples/standalone/test_burst                       \
 745                $(obj)examples/standalone/timer
 746         @rm -f $(obj)examples/api/demo{,.bin}
 747         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 748                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 749                $(obj)tools/envcrc                                         \
 750                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 751                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 752                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 753                $(obj)tools/mk{smdk5250,}spl                               \
 754                $(obj)tools/ncb             $(obj)tools/ubsha1
 755         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 756                $(obj)board/matrix_vision/*/bootscript.img                 \
 757                $(obj)board/voiceblue/eeprom                               \
 758                $(obj)u-boot.lds                                           \
 759                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
 760                $(obj)arch/blackfin/cpu/init.{lds,elf}
 761         @rm -f $(obj)include/bmp_logo.h
 762         @rm -f $(obj)include/bmp_logo_data.h
 763         @rm -f $(obj)lib/asm-offsets.s
 764         @rm -f $(obj)include/generated/asm-offsets.h
 765         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 766         @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
 767         @rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
 768         @rm -f $(ONENAND_BIN)
 769         @rm -f $(obj)onenand_ipl/u-boot.lds
 770         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
 771         @rm -f $(obj)MLO
 772         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 773         @find $(OBJTREE) -type f \
 774                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
 775                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \) -print \
 776                 | xargs rm -f
 777
 778 # Removes everything not needed for testing u-boot
 779 tidy:   clean
 780         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 781
 782 clobber:        tidy
 783         @find $(OBJTREE) -type f \( -name '*.srec' \
 784                 -o -name '*.bin' -o -name u-boot.img \) \
 785                 -print0 | xargs -0 rm -f
 786         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 787                 $(obj)cscope.* $(obj)*.*~
 788         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 789         @rm -f $(obj)u-boot.kwb
 790         @rm -f $(obj)u-boot.imx
 791         @rm -f $(obj)u-boot.ubl
 792         @rm -f $(obj)u-boot.ais
 793         @rm -f $(obj)u-boot.dtb
 794         @rm -f $(obj)u-boot.sb
 795         @rm -f $(obj)u-boot.spr
 796         @rm -f $(obj)tools/xway-swap-bytes
 797         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
 798         @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 799         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 800         @rm -fr $(obj)include/generated
 801         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 802         @[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f
 803         @rm -f $(obj)dts/*.tmp
 804
 805 mrproper \
 806 distclean:      clobber unconfig
 807 ifneq ($(OBJTREE),$(SRCTREE))
 808         rm -rf $(obj)*
 809 endif
 810
 811 backup:
 812         F=`basename $(TOPDIR)` ; cd .. ; \
 813         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 814
 815 #########################################################################