Makefile

   1 #
   2 # (C) Copyright 2000-2011
   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 = 2011
  25 PATCHLEVEL = 12
  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
  34 HOSTARCH := $(shell uname -m | \
  35         sed -e s/i.86/x86/ \
  36             -e s/sun4u/sparc64/ \
  37             -e s/arm.*/arm/ \
  38             -e s/sa110/arm/ \
  39             -e s/ppc64/powerpc/ \
  40             -e s/ppc/powerpc/ \
  41             -e s/macppc/powerpc/\
  42             -e s/sh.*/sh/)
  43
  44 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
  45             sed -e 's/\(cygwin\).*/cygwin/')
  46
  47 # Set shell to bash if possible, otherwise fall back to sh
  48 SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
  49         else if [ -x /bin/bash ]; then echo /bin/bash; \
  50         else echo sh; fi; fi)
  51
  52 export  HOSTARCH HOSTOS SHELL
  53
  54 # Deal with colliding definitions from tcsh etc.
  55 VENDOR=
  56
  57 #########################################################################
  58 # Allow for silent builds
  59 ifeq (,$(findstring s,$(MAKEFLAGS)))
  60 XECHO = echo
  61 else
  62 XECHO = :
  63 endif
  64
  65 #########################################################################
  66 #
  67 # U-boot build supports producing a object files to the separate external
  68 # directory. Two use cases are supported:
  69 #
  70 # 1) Add O= to the make command line
  71 # 'make O=/tmp/build all'
  72 #
  73 # 2) Set environement variable BUILD_DIR to point to the desired location
  74 # 'export BUILD_DIR=/tmp/build'
  75 # 'make'
  76 #
  77 # The second approach can also be used with a MAKEALL script
  78 # 'export BUILD_DIR=/tmp/build'
  79 # './MAKEALL'
  80 #
  81 # Command line 'O=' setting overrides BUILD_DIR environent variable.
  82 #
  83 # When none of the above methods is used the local build is performed and
  84 # the object files are placed in the source directory.
  85 #
  86
  87 ifdef O
  88 ifeq ("$(origin O)", "command line")
  89 BUILD_DIR := $(O)
  90 endif
  91 endif
  92
  93 ifneq ($(BUILD_DIR),)
  94 saved-output := $(BUILD_DIR)
  95
  96 # Attempt to create a output directory.
  97 $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
  98
  99 # Verify if it was successful.
 100 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
 101 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
 102 endif # ifneq ($(BUILD_DIR),)
 103
 104 OBJTREE         := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
 105 SPLTREE         := $(OBJTREE)/spl
 106 SRCTREE         := $(CURDIR)
 107 TOPDIR          := $(SRCTREE)
 108 LNDIR           := $(OBJTREE)
 109 export  TOPDIR SRCTREE OBJTREE SPLTREE
 110
 111 MKCONFIG        := $(SRCTREE)/mkconfig
 112 export MKCONFIG
 113
 114 ifneq ($(OBJTREE),$(SRCTREE))
 115 REMOTE_BUILD    := 1
 116 export REMOTE_BUILD
 117 endif
 118
 119 # $(obj) and (src) are defined in config.mk but here in main Makefile
 120 # we also need them before config.mk is included which is the case for
 121 # some targets like unconfig, clean, clobber, distclean, etc.
 122 ifneq ($(OBJTREE),$(SRCTREE))
 123 obj := $(OBJTREE)/
 124 src := $(SRCTREE)/
 125 else
 126 obj :=
 127 src :=
 128 endif
 129 export obj src
 130
 131 TIMESTAMP_FILE = $(obj)include/timestamp_autogenerated.h
 132 VERSION_FILE = $(obj)include/version_autogenerated.h
 133
 134 # Make sure CDPATH settings don't interfere
 135 unexport CDPATH
 136
 137 #########################################################################
 138
 139 # The "tools" are needed early, so put this first
 140 # Don't include stuff already done in $(LIBS)
 141 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
 142 # is "yes"), so compile examples after U-Boot is compiled.
 143 SUBDIR_TOOLS = tools
 144 SUBDIR_EXAMPLES = examples/standalone examples/api
 145 SUBDIRS = $(SUBDIR_TOOLS)
 146
 147 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
 148
 149 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
 150
 151 # Include autoconf.mk before config.mk so that the config options are available
 152 # to all top level build files.  We need the dummy all: target to prevent the
 153 # dependency target in autoconf.mk.dep from being the default.
 154 all:
 155 sinclude $(obj)include/autoconf.mk.dep
 156 sinclude $(obj)include/autoconf.mk
 157
 158 ifndef CONFIG_SANDBOX
 159 SUBDIRS += $(SUBDIR_EXAMPLES)
 160 endif
 161
 162 # load ARCH, BOARD, and CPU configuration
 163 include $(obj)include/config.mk
 164 export  ARCH CPU BOARD VENDOR SOC
 165
 166 # set default to nothing for native builds
 167 ifeq ($(HOSTARCH),$(ARCH))
 168 CROSS_COMPILE ?=
 169 endif
 170
 171 # load other configuration
 172 include $(TOPDIR)/config.mk
 173
 174 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 175 # that (or fail if absent).  Otherwise, search for a linker script in a
 176 # standard location.
 177
 178 ifndef LDSCRIPT
 179         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
 180         ifdef CONFIG_SYS_LDSCRIPT
 181                 # need to strip off double quotes
 182                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
 183         endif
 184 endif
 185
 186 ifndef LDSCRIPT
 187         ifeq ($(CONFIG_NAND_U_BOOT),y)
 188                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
 189                 ifeq ($(wildcard $(LDSCRIPT)),)
 190                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
 191                 endif
 192         endif
 193         ifeq ($(wildcard $(LDSCRIPT)),)
 194                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
 195         endif
 196         ifeq ($(wildcard $(LDSCRIPT)),)
 197                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
 198         endif
 199         ifeq ($(wildcard $(LDSCRIPT)),)
 200 $(error could not find linker script)
 201         endif
 202 endif
 203
 204 #########################################################################
 205 # U-Boot objects....order is important (i.e. start must be first)
 206
 207 OBJS  = $(CPUDIR)/start.o
 208 ifeq ($(CPU),x86)
 209 OBJS += $(CPUDIR)/start16.o
 210 OBJS += $(CPUDIR)/resetvec.o
 211 endif
 212 ifeq ($(CPU),ppc4xx)
 213 OBJS += $(CPUDIR)/resetvec.o
 214 endif
 215 ifeq ($(CPU),mpc85xx)
 216 OBJS += $(CPUDIR)/resetvec.o
 217 endif
 218
 219 OBJS := $(addprefix $(obj),$(OBJS))
 220
 221 LIBS  = lib/libgeneric.o
 222 LIBS += lib/lzma/liblzma.o
 223 LIBS += lib/lzo/liblzo.o
 224 LIBS += lib/zlib/libz.o
 225 LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \
 226         "board/$(VENDOR)/common/lib$(VENDOR).o"; fi)
 227 LIBS += $(CPUDIR)/lib$(CPU).o
 228 ifdef SOC
 229 LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).o
 230 endif
 231 ifeq ($(CPU),ixp)
 232 LIBS += arch/arm/cpu/ixp/npe/libnpe.o
 233 endif
 234 ifeq ($(CONFIG_OF_EMBED),y)
 235 LIBS += dts/libdts.o
 236 endif
 237 LIBS += arch/$(ARCH)/lib/lib$(ARCH).o
 238 LIBS += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \
 239         fs/reiserfs/libreiserfs.o fs/ext2/libext2fs.o fs/yaffs2/libyaffs2.o \
 240         fs/ubifs/libubifs.o
 241 LIBS += net/libnet.o
 242 LIBS += disk/libdisk.o
 243 LIBS += drivers/bios_emulator/libatibiosemu.o
 244 LIBS += drivers/block/libblock.o
 245 LIBS += drivers/dma/libdma.o
 246 LIBS += drivers/fpga/libfpga.o
 247 LIBS += drivers/gpio/libgpio.o
 248 LIBS += drivers/hwmon/libhwmon.o
 249 LIBS += drivers/i2c/libi2c.o
 250 LIBS += drivers/input/libinput.o
 251 LIBS += drivers/misc/libmisc.o
 252 LIBS += drivers/mmc/libmmc.o
 253 LIBS += drivers/mtd/libmtd.o
 254 LIBS += drivers/mtd/nand/libnand.o
 255 LIBS += drivers/mtd/onenand/libonenand.o
 256 LIBS += drivers/mtd/ubi/libubi.o
 257 LIBS += drivers/mtd/spi/libspi_flash.o
 258 LIBS += drivers/net/libnet.o
 259 LIBS += drivers/net/phy/libphy.o
 260 LIBS += drivers/pci/libpci.o
 261 LIBS += drivers/pcmcia/libpcmcia.o
 262 LIBS += drivers/power/libpower.o
 263 LIBS += drivers/spi/libspi.o
 264 ifeq ($(CPU),mpc83xx)
 265 LIBS += drivers/qe/libqe.o
 266 LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 267 LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 268 endif
 269 ifeq ($(CPU),mpc85xx)
 270 LIBS += drivers/qe/libqe.o
 271 LIBS += drivers/net/fm/libfm.o
 272 LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 273 LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 274 endif
 275 ifeq ($(CPU),mpc86xx)
 276 LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
 277 LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
 278 endif
 279 LIBS += drivers/rtc/librtc.o
 280 LIBS += drivers/serial/libserial.o
 281 ifeq ($(CONFIG_GENERIC_LPC_TPM),y)
 282 LIBS += drivers/tpm/libtpm.o
 283 endif
 284 LIBS += drivers/twserial/libtws.o
 285 LIBS += drivers/usb/eth/libusb_eth.o
 286 LIBS += drivers/usb/gadget/libusb_gadget.o
 287 LIBS += drivers/usb/host/libusb_host.o
 288 LIBS += drivers/usb/musb/libusb_musb.o
 289 LIBS += drivers/usb/phy/libusb_phy.o
 290 LIBS += drivers/usb/ulpi/libusb_ulpi.o
 291 LIBS += drivers/video/libvideo.o
 292 LIBS += drivers/watchdog/libwatchdog.o
 293 LIBS += common/libcommon.o
 294 LIBS += lib/libfdt/libfdt.o
 295 LIBS += api/libapi.o
 296 LIBS += post/libpost.o
 297
 298 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
 299 LIBS += $(CPUDIR)/omap-common/libomap-common.o
 300 endif
 301
 302 ifeq ($(SOC),mx5)
 303 LIBS += $(CPUDIR)/imx-common/libimx-common.o
 304 endif
 305 ifeq ($(SOC),mx6)
 306 LIBS += $(CPUDIR)/imx-common/libimx-common.o
 307 endif
 308
 309 ifeq ($(SOC),s5pc1xx)
 310 LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
 311 endif
 312 ifeq ($(SOC),exynos)
 313 LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
 314 endif
 315
 316 LIBS := $(addprefix $(obj),$(sort $(LIBS)))
 317 .PHONY : $(LIBS)
 318
 319 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
 320 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
 321
 322 # Add GCC lib
 323 ifdef USE_PRIVATE_LIBGCC
 324 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
 325 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
 326 else
 327 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
 328 endif
 329 else
 330 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
 331 endif
 332 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 333 export PLATFORM_LIBS
 334
 335 # Special flags for CPP when processing the linker script.
 336 # Pass the version down so we can handle backwards compatibility
 337 # on the fly.
 338 LDPPFLAGS += \
 339         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
 340         $(shell $(LD) --version | \
 341           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 342
 343 __OBJS := $(subst $(obj),,$(OBJS))
 344 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
 345
 346 #########################################################################
 347 #########################################################################
 348
 349 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 350 BOARD_SIZE_CHECK = \
 351         @actual=`wc -c $@ | awk '{print $$1}'`; \
 352         limit=$(CONFIG_BOARD_SIZE_LIMIT); \
 353         if test $$actual -gt $$limit; then \
 354                 echo "$@ exceeds file size limit:"; \
 355                 echo "  limit:  $$limit bytes"; \
 356                 echo "  actual: $$actual bytes"; \
 357                 echo "  excess: $$((actual - limit)) bytes"; \
 358                 exit 1; \
 359         fi
 360 else
 361 BOARD_SIZE_CHECK =
 362 endif
 363
 364 # Always append ALL so that arch config.mk's can add custom ones
 365 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
 366
 367 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
 368 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
 369 ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin
 370 ALL-$(CONFIG_MMC_U_BOOT) += $(obj)mmc_spl/u-boot-mmc-spl.bin
 371 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
 372 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
 373
 374 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
 375
 376 $(obj)u-boot.dtb:       $(obj)u-boot
 377                 $(MAKE) -C dts binary
 378                 mv $(obj)dts/dt.dtb $@
 379
 380 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
 381                 cat $^ >$@
 382
 383 $(obj)u-boot.hex:       $(obj)u-boot
 384                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 385
 386 $(obj)u-boot.srec:      $(obj)u-boot
 387                 $(OBJCOPY) -O srec $< $@
 388
 389 $(obj)u-boot.bin:       $(obj)u-boot
 390                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
 391                 $(BOARD_SIZE_CHECK)
 392
 393 $(obj)u-boot.ldr:       $(obj)u-boot
 394                 $(CREATE_LDR_ENV)
 395                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
 396                 $(BOARD_SIZE_CHECK)
 397
 398 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
 399                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
 400
 401 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
 402                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 403
 404 $(obj)u-boot.img:       $(obj)u-boot.bin
 405                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
 406                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
 407                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 408                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
 409                 -d $< $@
 410
 411 $(obj)u-boot.imx:       $(obj)u-boot.bin
 412                 $(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
 413                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 414
 415 $(obj)u-boot.kwb:       $(obj)u-boot.bin
 416                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
 417                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
 418
 419 $(obj)u-boot.sha1:      $(obj)u-boot.bin
 420                 $(obj)tools/ubsha1 $(obj)u-boot.bin
 421
 422 $(obj)u-boot.dis:       $(obj)u-boot
 423                 $(OBJDUMP) -d $< > $@
 424
 425 $(obj)u-boot.ubl:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 426                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
 427                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
 428                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
 429                 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
 430                 rm $(obj)u-boot-ubl.bin
 431                 rm $(obj)spl/u-boot-spl-pad.bin
 432
 433 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 434                 $(obj)tools/mkimage -s -n /dev/null -T aisimage \
 435                         -e $(CONFIG_SPL_TEXT_BASE) \
 436                         -d $(obj)spl/u-boot-spl.bin \
 437                         $(obj)spl/u-boot-spl.ais
 438                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
 439                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
 440                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
 441                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \
 442                         $(obj)u-boot.ais
 443                 rm $(obj)spl/u-boot-spl{,-pad}.ais
 444
 445 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
 446                 elftosb -zdf imx28 -c $(TOPDIR)/board/$(BOARDDIR)/u-boot.bd \
 447                         -o $(obj)u-boot.sb
 448
 449 ifeq ($(CONFIG_SANDBOX),y)
 450 GEN_UBOOT = \
 451                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
 452                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
 453                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
 454 else
 455 GEN_UBOOT = \
 456                 UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
 457                 sed  -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
 458                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
 459                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
 460                         -Map u-boot.map -o u-boot
 461 endif
 462
 463 $(obj)u-boot:   depend \
 464                 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
 465                 $(GEN_UBOOT)
 466 ifeq ($(CONFIG_KALLSYMS),y)
 467                 smap=`$(call SYSTEM_MAP,u-boot) | \
 468                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
 469                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
 470                         -c common/system_map.c -o $(obj)common/system_map.o
 471                 $(GEN_UBOOT) $(obj)common/system_map.o
 472 endif
 473
 474 $(OBJS):        depend
 475                 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
 476
 477 $(LIBS):        depend $(SUBDIR_TOOLS)
 478                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 479
 480 $(LIBBOARD):    depend $(LIBS)
 481                 $(MAKE) -C $(dir $(subst $(obj),,$@))
 482
 483 $(SUBDIRS):     depend
 484                 $(MAKE) -C $@ all
 485
 486 $(SUBDIR_EXAMPLES): $(obj)u-boot
 487
 488 $(LDSCRIPT):    depend
 489                 $(MAKE) -C $(dir $@) $(notdir $@)
 490
 491 $(obj)u-boot.lds: $(LDSCRIPT)
 492                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 493
 494 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 495                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
 496
 497 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
 498                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
 499
 500 onenand_ipl:    $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
 501                 $(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
 502
 503 $(obj)u-boot-onenand.bin:       onenand_ipl $(obj)u-boot.bin
 504                 cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
 505
 506 mmc_spl:        $(TIMESTAMP_FILE) $(VERSION_FILE) depend
 507                 $(MAKE) -C mmc_spl/board/$(BOARDDIR) all
 508
 509 $(obj)mmc_spl/u-boot-mmc-spl.bin:       mmc_spl
 510
 511 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
 512                 $(MAKE) -C spl all
 513
 514 updater:
 515                 $(MAKE) -C tools/updater all
 516
 517 # Explicitly make _depend in subdirs containing multiple targets to prevent
 518 # parallel sub-makes creating .depend files simultaneously.
 519 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
 520                 $(obj)include/autoconf.mk \
 521                 $(obj)include/generated/generic-asm-offsets.h \
 522                 $(obj)include/generated/asm-offsets.h
 523                 for dir in $(SUBDIRS) $(CPUDIR) $(dir $(LDSCRIPT)) ; do \
 524                         $(MAKE) -C $$dir _depend ; done
 525
 526 TAG_SUBDIRS = $(SUBDIRS)
 527 TAG_SUBDIRS += $(dir $(__LIBS))
 528 TAG_SUBDIRS += include
 529
 530 FIND := find
 531 FINDFLAGS := -L
 532
 533 tags ctags:
 534                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 535                                                 -name '*.[chS]' -print`
 536
 537 etags:
 538                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
 539                                                 -name '*.[chS]' -print`
 540 cscope:
 541                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
 542                                                 cscope.files
 543                 cscope -b -q -k
 544
 545 SYSTEM_MAP = \
 546                 $(NM) $1 | \
 547                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 548                 LC_ALL=C sort
 549 $(obj)System.map:       $(obj)u-boot
 550                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
 551
 552 #
 553 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 554 #
 555 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
 556 # the dep file is only include in this top level makefile to determine when
 557 # to regenerate the autoconf.mk file.
 558 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
 559         @$(XECHO) Generating $@ ; \
 560         set -e ; \
 561         : Generate the dependancies ; \
 562         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
 563                 -MQ $(obj)include/autoconf.mk include/common.h > $@
 564
 565 $(obj)include/autoconf.mk: $(obj)include/config.h
 566         @$(XECHO) Generating $@ ; \
 567         set -e ; \
 568         : Extract the config macros ; \
 569         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
 570                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
 571         mv $@.tmp $@
 572
 573 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 574         $(obj)lib/asm-offsets.s
 575         @$(XECHO) Generating $@
 576         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
 577
 578 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
 579         $(src)lib/asm-offsets.c
 580         @mkdir -p $(obj)lib
 581         $(CC) -DDO_DEPS_ONLY \
 582                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 583                 -o $@ $(src)lib/asm-offsets.c -c -S
 584
 585 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
 586         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 587         @echo Generating $@
 588         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
 589
 590 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep
 591         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
 592         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
 593                 $(CC) -DDO_DEPS_ONLY \
 594                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
 595                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
 596         else \
 597                 touch $@; \
 598         fi
 599
 600 #########################################################################
 601 else    # !config.mk
 602 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
 603 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
 604 $(filter-out tools,$(SUBDIRS)) \
 605 updater depend dep tags ctags etags cscope $(obj)System.map:
 606         @echo "System not configured - see README" >&2
 607         @ exit 1
 608
 609 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
 610         $(MAKE) -C $@ all
 611 endif   # config.mk
 612
 613 $(VERSION_FILE):
 614                 @mkdir -p $(dir $(VERSION_FILE))
 615                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
 616                    printf '#define PLAIN_VERSION "%s%s"\n' \
 617                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 618                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
 619                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
 620                 ) > $@.tmp
 621                 @( printf '#define CC_VERSION_STRING "%s"\n' \
 622                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
 623                 @( printf '#define LD_VERSION_STRING "%s"\n' \
 624                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
 625                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 626
 627 $(TIMESTAMP_FILE):
 628                 @mkdir -p $(dir $(TIMESTAMP_FILE))
 629                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
 630                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
 631                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
 632
 633 easylogo env gdb:
 634         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
 635 gdbtools: gdb
 636
 637 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
 638         $(MAKE) -C tools HOST_TOOLS_ALL=y
 639
 640 .PHONY : CHANGELOG
 641 CHANGELOG:
 642         git log --no-merges U-Boot-1_1_5.. | \
 643         unexpand -a | sed -e 's/\s\s*$$//' > $@
 644
 645 include/license.h: tools/bin2header COPYING
 646         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
 647 #########################################################################
 648
 649 unconfig:
 650         @rm -f $(obj)include/config.h $(obj)include/config.mk \
 651                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
 652                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
 653
 654 %_config::      unconfig
 655         @$(MKCONFIG) -A $(@:_config=)
 656
 657 sinclude $(obj).boards.depend
 658 $(obj).boards.depend:   boards.cfg
 659         @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
 660
 661 #
 662 # Functions to generate common board directory names
 663 #
 664 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
 665 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
 666
 667 #========================================================================
 668 # ARM
 669 #========================================================================
 670
 671 SX1_stdout_serial_config \
 672 SX1_config:             unconfig
 673         @mkdir -p $(obj)include
 674         @if [ "$(findstring _stdout_serial_, $@)" ] ; then \
 675                 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
 676         else \
 677                 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
 678         fi;
 679         @$(MKCONFIG) -n $@ SX1 arm arm925t sx1
 680
 681 #########################################################################
 682 ## XScale Systems
 683 #########################################################################
 684
 685 pdnb3_config \
 686 scpu_config:    unconfig
 687         @mkdir -p $(obj)include
 688         @if [ "$(findstring scpu_,$@)" ] ; then \
 689                 echo "#define CONFIG_SCPU"      >>$(obj)include/config.h ; \
 690         fi
 691         @$(MKCONFIG) -n $@ -a pdnb3 arm ixp pdnb3 prodrive
 692
 693 #########################################################################
 694 ## ARM1176 Systems
 695 #########################################################################
 696 smdk6400_noUSB_config   \
 697 smdk6400_config :       unconfig
 698         @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
 699         @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
 700         @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
 701         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 702         @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then                       \
 703                 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 704         else                                                                            \
 705                 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
 706         fi
 707         @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
 708         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
 709
 710 #########################################################################
 711 #########################################################################
 712
 713 clean:
 714         @rm -f $(obj)examples/standalone/82559_eeprom                     \
 715                $(obj)examples/standalone/atmel_df_pow2                    \
 716                $(obj)examples/standalone/eepro100_eeprom                  \
 717                $(obj)examples/standalone/hello_world                      \
 718                $(obj)examples/standalone/interrupt                        \
 719                $(obj)examples/standalone/mem_to_mem_idma2intr             \
 720                $(obj)examples/standalone/sched                            \
 721                $(obj)examples/standalone/smc911{11,x}_eeprom              \
 722                $(obj)examples/standalone/test_burst                       \
 723                $(obj)examples/standalone/timer
 724         @rm -f $(obj)examples/api/demo{,.bin}
 725         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
 726                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
 727                $(obj)tools/envcrc                                         \
 728                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
 729                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
 730                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
 731                $(obj)tools/mk{smdk5250,}spl                               \
 732                $(obj)tools/ncb             $(obj)tools/ubsha1
 733         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
 734                $(obj)board/matrix_vision/*/bootscript.img                 \
 735                $(obj)board/voiceblue/eeprom                               \
 736                $(obj)u-boot.lds                                           \
 737                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
 738                $(obj)arch/blackfin/cpu/init.{lds,elf}
 739         @rm -f $(obj)include/bmp_logo.h
 740         @rm -f $(obj)include/bmp_logo_data.h
 741         @rm -f $(obj)lib/asm-offsets.s
 742         @rm -f $(obj)include/generated/asm-offsets.h
 743         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
 744         @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
 745         @rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
 746         @rm -f $(obj)mmc_spl/{u-boot.lds,u-boot-spl,u-boot-spl.map,u-boot-spl.bin,u-boot-mmc-spl.bin}
 747         @rm -f $(ONENAND_BIN)
 748         @rm -f $(obj)onenand_ipl/u-boot.lds
 749         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
 750         @rm -f $(obj)MLO
 751         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
 752         @find $(OBJTREE) -type f \
 753                 \( -name 'core' -o -name '*.bak' -o -name '*~' \
 754                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \) -print \
 755                 | xargs rm -f
 756
 757 # Removes everything not needed for testing u-boot
 758 tidy:   clean
 759         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
 760
 761 clobber:        tidy
 762         @find $(OBJTREE) -type f \( -name '*.srec' \
 763                 -o -name '*.bin' -o -name u-boot.img \) \
 764                 -print0 | xargs -0 rm -f
 765         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
 766                 $(obj)cscope.* $(obj)*.*~
 767         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
 768         @rm -f $(obj)u-boot.kwb
 769         @rm -f $(obj)u-boot.imx
 770         @rm -f $(obj)u-boot.ubl
 771         @rm -f $(obj)u-boot.ais
 772         @rm -f $(obj)u-boot.dtb
 773         @rm -f $(obj)u-boot.sb
 774         @rm -f $(obj)tools/inca-swap-bytes
 775         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
 776         @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
 777         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 778         @rm -fr $(obj)include/generated
 779         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
 780         @[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f
 781         @[ ! -d $(obj)mmc_spl ] || find $(obj)mmc_spl -name "*" -type l -print | xargs rm -f
 782         @rm -f $(obj)dts/*.tmp
 783
 784 mrproper \
 785 distclean:      clobber unconfig
 786 ifneq ($(OBJTREE),$(SRCTREE))
 787         rm -rf $(obj)*
 788 endif
 789
 790 backup:
 791         F=`basename $(TOPDIR)` ; cd .. ; \
 792         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
 793
 794 #########################################################################