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