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 24VERSION = 2011 25PATCHLEVEL = 12 26SUBLEVEL = 27EXTRAVERSION = 28ifneq "$(SUBLEVEL)" "" 29U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 30else 31U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION) 32endif 33TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h 34VERSION_FILE = $(obj)include/generated/version_autogenerated.h 35 36HOSTARCH := $(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 46HOSTOS := $(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 50SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 51 else if [ -x /bin/bash ]; then echo /bin/bash; \ 52 else echo sh; fi; fi) 53 54export HOSTARCH HOSTOS SHELL 55 56# Deal with colliding definitions from tcsh etc. 57VENDOR= 58 59######################################################################### 60# Allow for silent builds 61ifeq (,$(findstring s,$(MAKEFLAGS))) 62XECHO = echo 63else 64XECHO = : 65endif 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 89ifdef O 90ifeq ("$(origin O)", "command line") 91BUILD_DIR := $(O) 92endif 93endif 94 95ifneq ($(BUILD_DIR),) 96saved-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. 102BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd) 103$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist)) 104endif # ifneq ($(BUILD_DIR),) 105 106OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR)) 107SPLTREE := $(OBJTREE)/spl 108SRCTREE := $(CURDIR) 109TOPDIR := $(SRCTREE) 110LNDIR := $(OBJTREE) 111export TOPDIR SRCTREE OBJTREE SPLTREE 112 113MKCONFIG := $(SRCTREE)/mkconfig 114export MKCONFIG 115 116ifneq ($(OBJTREE),$(SRCTREE)) 117REMOTE_BUILD := 1 118export REMOTE_BUILD 119endif 120 121# $(obj) and (src) are defined in config.mk but here in main Makefile 122# we also need them before config.mk is included which is the case for 123# some targets like unconfig, clean, clobber, distclean, etc. 124ifneq ($(OBJTREE),$(SRCTREE)) 125obj := $(OBJTREE)/ 126src := $(SRCTREE)/ 127else 128obj := 129src := 130endif 131export obj src 132 133# Make sure CDPATH settings don't interfere 134unexport 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. 142SUBDIR_TOOLS = tools 143SUBDIR_EXAMPLES = examples/standalone examples/api 144SUBDIRS = $(SUBDIR_TOOLS) 145 146.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE) 147 148ifeq ($(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. 153all: 154sinclude $(obj)include/autoconf.mk.dep 155sinclude $(obj)include/autoconf.mk 156 157ifndef CONFIG_SANDBOX 158SUBDIRS += $(SUBDIR_EXAMPLES) 159endif 160 161# load ARCH, BOARD, and CPU configuration 162include $(obj)include/config.mk 163export ARCH CPU BOARD VENDOR SOC 164 165# set default to nothing for native builds 166ifeq ($(HOSTARCH),$(ARCH)) 167CROSS_COMPILE ?= 168endif 169 170# load other configuration 171include $(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 177LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT)) 178 179ifndef 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 185endif 186 187# If there is no specified link script, we look in a number of places for it 188ifndef 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 209endif 210 211######################################################################### 212# U-Boot objects....order is important (i.e. start must be first) 213 214OBJS = $(CPUDIR)/start.o 215ifeq ($(CPU),x86) 216OBJS += $(CPUDIR)/start16.o 217OBJS += $(CPUDIR)/resetvec.o 218endif 219ifeq ($(CPU),ppc4xx) 220OBJS += $(CPUDIR)/resetvec.o 221endif 222ifeq ($(CPU),mpc85xx) 223OBJS += $(CPUDIR)/resetvec.o 224endif 225 226OBJS := $(addprefix $(obj),$(OBJS)) 227 228LIBS = lib/libgeneric.o 229LIBS += lib/lzma/liblzma.o 230LIBS += lib/lzo/liblzo.o 231LIBS += lib/zlib/libz.o 232LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \ 233 "board/$(VENDOR)/common/lib$(VENDOR).o"; fi) 234LIBS += $(CPUDIR)/lib$(CPU).o 235ifdef SOC 236LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).o 237endif 238ifeq ($(CPU),ixp) 239LIBS += arch/arm/cpu/ixp/npe/libnpe.o 240endif 241ifeq ($(CONFIG_OF_EMBED),y) 242LIBS += dts/libdts.o 243endif 244LIBS += arch/$(ARCH)/lib/lib$(ARCH).o 245LIBS += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \ 246 fs/reiserfs/libreiserfs.o fs/ext2/libext2fs.o fs/yaffs2/libyaffs2.o \ 247 fs/ubifs/libubifs.o 248LIBS += net/libnet.o 249LIBS += disk/libdisk.o 250LIBS += drivers/bios_emulator/libatibiosemu.o 251LIBS += drivers/block/libblock.o 252LIBS += drivers/dma/libdma.o 253LIBS += drivers/fpga/libfpga.o 254LIBS += drivers/gpio/libgpio.o 255LIBS += drivers/hwmon/libhwmon.o 256LIBS += drivers/i2c/libi2c.o 257LIBS += drivers/input/libinput.o 258LIBS += drivers/misc/libmisc.o 259LIBS += drivers/mmc/libmmc.o 260LIBS += drivers/mtd/libmtd.o 261LIBS += drivers/mtd/nand/libnand.o 262LIBS += drivers/mtd/onenand/libonenand.o 263LIBS += drivers/mtd/ubi/libubi.o 264LIBS += drivers/mtd/spi/libspi_flash.o 265LIBS += drivers/net/libnet.o 266LIBS += drivers/net/phy/libphy.o 267LIBS += drivers/pci/libpci.o 268LIBS += drivers/pcmcia/libpcmcia.o 269LIBS += drivers/power/libpower.o 270LIBS += drivers/spi/libspi.o 271ifeq ($(CPU),mpc83xx) 272LIBS += drivers/qe/libqe.o 273LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 274LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 275endif 276ifeq ($(CPU),mpc85xx) 277LIBS += drivers/qe/libqe.o 278LIBS += drivers/net/fm/libfm.o 279LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 280LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 281endif 282ifeq ($(CPU),mpc86xx) 283LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 284LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 285endif 286LIBS += drivers/rtc/librtc.o 287LIBS += drivers/serial/libserial.o 288ifeq ($(CONFIG_GENERIC_LPC_TPM),y) 289LIBS += drivers/tpm/libtpm.o 290endif 291LIBS += drivers/twserial/libtws.o 292LIBS += drivers/usb/eth/libusb_eth.o 293LIBS += drivers/usb/gadget/libusb_gadget.o 294LIBS += drivers/usb/host/libusb_host.o 295LIBS += drivers/usb/musb/libusb_musb.o 296LIBS += drivers/usb/phy/libusb_phy.o 297LIBS += drivers/usb/ulpi/libusb_ulpi.o 298LIBS += drivers/video/libvideo.o 299LIBS += drivers/watchdog/libwatchdog.o 300LIBS += common/libcommon.o 301LIBS += lib/libfdt/libfdt.o 302LIBS += api/libapi.o 303LIBS += post/libpost.o 304 305ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),) 306LIBS += $(CPUDIR)/omap-common/libomap-common.o 307endif 308 309ifeq ($(SOC),mx5) 310LIBS += $(CPUDIR)/imx-common/libimx-common.o 311endif 312ifeq ($(SOC),mx6) 313LIBS += $(CPUDIR)/imx-common/libimx-common.o 314endif 315 316ifeq ($(SOC),s5pc1xx) 317LIBS += $(CPUDIR)/s5p-common/libs5p-common.o 318endif 319ifeq ($(SOC),exynos) 320LIBS += $(CPUDIR)/s5p-common/libs5p-common.o 321endif 322 323LIBS := $(addprefix $(obj),$(sort $(LIBS))) 324.PHONY : $(LIBS) 325 326LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o 327LIBBOARD := $(addprefix $(obj),$(LIBBOARD)) 328 329# Add GCC lib 330ifdef USE_PRIVATE_LIBGCC 331ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 332PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 333else 334PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 335endif 336else 337PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 338endif 339PLATFORM_LIBS += $(PLATFORM_LIBGCC) 340export PLATFORM_LIBS 341 342# Special flags for CPP when processing the linker script. 343# Pass the version down so we can handle backwards compatibility 344# on the fly. 345LDPPFLAGS += \ 346 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ 347 $(shell $(LD) --version | \ 348 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 349 350__OBJS := $(subst $(obj),,$(OBJS)) 351__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD)) 352 353######################################################################### 354######################################################################### 355 356ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 357BOARD_SIZE_CHECK = \ 358 @actual=`wc -c $@ | awk '{print $$1}'`; \ 359 limit=$(CONFIG_BOARD_SIZE_LIMIT); \ 360 if test $$actual -gt $$limit; then \ 361 echo "$@ exceeds file size limit:"; \ 362 echo " limit: $$limit bytes"; \ 363 echo " actual: $$actual bytes"; \ 364 echo " excess: $$((actual - limit)) bytes"; \ 365 exit 1; \ 366 fi 367else 368BOARD_SIZE_CHECK = 369endif 370 371# Always append ALL so that arch config.mk's can add custom ones 372ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 373 374ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 375ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 376ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin 377ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 378ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 379 380all: $(ALL-y) $(SUBDIR_EXAMPLES) 381 382$(obj)u-boot.dtb: $(obj)u-boot 383 $(MAKE) -C dts binary 384 mv $(obj)dts/dt.dtb $@ 385 386$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 387 cat $^ >$@ 388 389$(obj)u-boot.hex: $(obj)u-boot 390 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 391 392$(obj)u-boot.srec: $(obj)u-boot 393 $(OBJCOPY) -O srec $< $@ 394 395$(obj)u-boot.bin: $(obj)u-boot 396 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 397 $(BOARD_SIZE_CHECK) 398 399$(obj)u-boot.ldr: $(obj)u-boot 400 $(CREATE_LDR_ENV) 401 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 402 $(BOARD_SIZE_CHECK) 403 404$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 405 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 406 407$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 408 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 409 410$(obj)u-boot.img: $(obj)u-boot.bin 411 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 412 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \ 413 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 414 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 415 -d $< $@ 416 417$(obj)u-boot.imx: $(obj)u-boot.bin 418 $(obj)tools/mkimage -n $(CONFIG_IMX_CONFIG) -T imximage \ 419 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 420 421$(obj)u-boot.kwb: $(obj)u-boot.bin 422 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 423 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 424 425$(obj)u-boot.sha1: $(obj)u-boot.bin 426 $(obj)tools/ubsha1 $(obj)u-boot.bin 427 428$(obj)u-boot.dis: $(obj)u-boot 429 $(OBJDUMP) -d $< > $@ 430 431$(obj)u-boot.ubl: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 432 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 433 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin 434 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 435 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl 436 rm $(obj)u-boot-ubl.bin 437 rm $(obj)spl/u-boot-spl-pad.bin 438 439$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 440 $(obj)tools/mkimage -s -n /dev/null -T aisimage \ 441 -e $(CONFIG_SPL_TEXT_BASE) \ 442 -d $(obj)spl/u-boot-spl.bin \ 443 $(obj)spl/u-boot-spl.ais 444 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 445 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 446 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 447 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \ 448 $(obj)u-boot.ais 449 rm $(obj)spl/u-boot-spl{,-pad}.ais 450 451$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 452 elftosb -zdf imx28 -c $(TOPDIR)/board/$(BOARDDIR)/u-boot.bd \ 453 -o $(obj)u-boot.sb 454 455ifeq ($(CONFIG_SANDBOX),y) 456GEN_UBOOT = \ 457 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 458 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 459 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 460else 461GEN_UBOOT = \ 462 UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \ 463 sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\ 464 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \ 465 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 466 -Map u-boot.map -o u-boot 467endif 468 469$(obj)u-boot: depend \ 470 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 471 $(GEN_UBOOT) 472ifeq ($(CONFIG_KALLSYMS),y) 473 smap=`$(call SYSTEM_MAP,u-boot) | \ 474 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 475 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 476 -c common/system_map.c -o $(obj)common/system_map.o 477 $(GEN_UBOOT) $(obj)common/system_map.o 478endif 479 480$(OBJS): depend 481 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)) 482 483$(LIBS): depend $(SUBDIR_TOOLS) 484 $(MAKE) -C $(dir $(subst $(obj),,$@)) 485 486$(LIBBOARD): depend $(LIBS) 487 $(MAKE) -C $(dir $(subst $(obj),,$@)) 488 489$(SUBDIRS): depend 490 $(MAKE) -C $@ all 491 492$(SUBDIR_EXAMPLES): $(obj)u-boot 493 494$(LDSCRIPT): depend 495 $(MAKE) -C $(dir $@) $(notdir $@) 496 497$(obj)u-boot.lds: $(LDSCRIPT) 498 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@ 499 500nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 501 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 502 503$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 504 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 505 506onenand_ipl: $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk 507 $(MAKE) -C onenand_ipl/board/$(BOARDDIR) all 508 509$(obj)u-boot-onenand.bin: onenand_ipl $(obj)u-boot.bin 510 cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin 511 512$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 513 $(MAKE) -C spl all 514 515updater: 516 $(MAKE) -C tools/updater all 517 518# Explicitly make _depend in subdirs containing multiple targets to prevent 519# parallel sub-makes creating .depend files simultaneously. 520depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 521 $(obj)include/autoconf.mk \ 522 $(obj)include/generated/generic-asm-offsets.h \ 523 $(obj)include/generated/asm-offsets.h 524 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \ 525 $(MAKE) -C $$dir _depend ; done 526 527TAG_SUBDIRS = $(SUBDIRS) 528TAG_SUBDIRS += $(dir $(__LIBS)) 529TAG_SUBDIRS += include 530 531FIND := find 532FINDFLAGS := -L 533 534checkstack: 535 $(CROSS_COMPILE)objdump -d $(obj)u-boot \ 536 `$(FIND) $(obj) -name u-boot-spl -print` | \ 537 perl $(src)tools/checkstack.pl $(ARCH) 538 539tags ctags: 540 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 541 -name '*.[chS]' -print` 542 543etags: 544 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 545 -name '*.[chS]' -print` 546cscope: 547 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 548 cscope.files 549 cscope -b -q -k 550 551SYSTEM_MAP = \ 552 $(NM) $1 | \ 553 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 554 LC_ALL=C sort 555$(obj)System.map: $(obj)u-boot 556 @$(call SYSTEM_MAP,$<) > $(obj)System.map 557 558# 559# Auto-generate the autoconf.mk file (which is included by all makefiles) 560# 561# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 562# the dep file is only include in this top level makefile to determine when 563# to regenerate the autoconf.mk file. 564$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 565 @$(XECHO) Generating $@ ; \ 566 set -e ; \ 567 : Generate the dependancies ; \ 568 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 569 -MQ $(obj)include/autoconf.mk include/common.h > $@ 570 571$(obj)include/autoconf.mk: $(obj)include/config.h 572 @$(XECHO) Generating $@ ; \ 573 set -e ; \ 574 : Extract the config macros ; \ 575 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 576 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 577 mv $@.tmp $@ 578 579$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 580 $(obj)lib/asm-offsets.s 581 @$(XECHO) Generating $@ 582 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 583 584$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 585 $(src)lib/asm-offsets.c 586 @mkdir -p $(obj)lib 587 $(CC) -DDO_DEPS_ONLY \ 588 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 589 -o $@ $(src)lib/asm-offsets.c -c -S 590 591$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 592 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 593 @echo Generating $@ 594 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 595 596$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep 597 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 598 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 599 $(CC) -DDO_DEPS_ONLY \ 600 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 601 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 602 else \ 603 touch $@; \ 604 fi 605 606######################################################################### 607else # !config.mk 608all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 609$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 610$(filter-out tools,$(SUBDIRS)) \ 611updater depend dep tags ctags etags cscope $(obj)System.map: 612 @echo "System not configured - see README" >&2 613 @ exit 1 614 615tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 616 $(MAKE) -C $@ all 617endif # config.mk 618 619$(VERSION_FILE): 620 @mkdir -p $(dir $(VERSION_FILE)) 621 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 622 printf '#define PLAIN_VERSION "%s%s"\n' \ 623 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 624 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 625 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 626 ) > $@.tmp 627 @( printf '#define CC_VERSION_STRING "%s"\n' \ 628 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 629 @( printf '#define LD_VERSION_STRING "%s"\n' \ 630 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 631 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 632 633$(TIMESTAMP_FILE): 634 @mkdir -p $(dir $(TIMESTAMP_FILE)) 635 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 636 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 637 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 638 639easylogo env gdb: 640 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 641gdbtools: gdb 642 643tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 644 $(MAKE) -C tools HOST_TOOLS_ALL=y 645 646.PHONY : CHANGELOG 647CHANGELOG: 648 git log --no-merges U-Boot-1_1_5.. | \ 649 unexpand -a | sed -e 's/\s\s*$$//' > $@ 650 651include/license.h: tools/bin2header COPYING 652 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 653######################################################################### 654 655unconfig: 656 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 657 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 658 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep 659 660%_config:: unconfig 661 @$(MKCONFIG) -A $(@:_config=) 662 663sinclude $(obj).boards.depend 664$(obj).boards.depend: boards.cfg 665 @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@ 666 667# 668# Functions to generate common board directory names 669# 670lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 671ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 672 673#======================================================================== 674# ARM 675#======================================================================== 676 677SX1_stdout_serial_config \ 678SX1_config: unconfig 679 @mkdir -p $(obj)include 680 @if [ "$(findstring _stdout_serial_, $@)" ] ; then \ 681 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \ 682 else \ 683 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \ 684 fi; 685 @$(MKCONFIG) -n $@ SX1 arm arm925t sx1 686 687######################################################################### 688## ARM1176 Systems 689######################################################################### 690smdk6400_noUSB_config \ 691smdk6400_config : unconfig 692 @mkdir -p $(obj)include $(obj)board/samsung/smdk6400 693 @mkdir -p $(obj)nand_spl/board/samsung/smdk6400 694 @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h 695 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk 696 @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then \ 697 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ 698 else \ 699 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ 700 fi 701 @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx 702 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk 703 704######################################################################### 705######################################################################### 706 707clean: 708 @rm -f $(obj)examples/standalone/82559_eeprom \ 709 $(obj)examples/standalone/atmel_df_pow2 \ 710 $(obj)examples/standalone/eepro100_eeprom \ 711 $(obj)examples/standalone/hello_world \ 712 $(obj)examples/standalone/interrupt \ 713 $(obj)examples/standalone/mem_to_mem_idma2intr \ 714 $(obj)examples/standalone/sched \ 715 $(obj)examples/standalone/smc911{11,x}_eeprom \ 716 $(obj)examples/standalone/test_burst \ 717 $(obj)examples/standalone/timer 718 @rm -f $(obj)examples/api/demo{,.bin} 719 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 720 $(obj)tools/env/{fw_printenv,fw_setenv} \ 721 $(obj)tools/envcrc \ 722 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 723 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 724 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 725 $(obj)tools/mk{smdk5250,}spl \ 726 $(obj)tools/ncb $(obj)tools/ubsha1 727 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 728 $(obj)board/matrix_vision/*/bootscript.img \ 729 $(obj)board/voiceblue/eeprom \ 730 $(obj)u-boot.lds \ 731 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 732 $(obj)arch/blackfin/cpu/init.{lds,elf} 733 @rm -f $(obj)include/bmp_logo.h 734 @rm -f $(obj)include/bmp_logo_data.h 735 @rm -f $(obj)lib/asm-offsets.s 736 @rm -f $(obj)include/generated/asm-offsets.h 737 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 738 @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map} 739 @rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map} 740 @rm -f $(ONENAND_BIN) 741 @rm -f $(obj)onenand_ipl/u-boot.lds 742 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map} 743 @rm -f $(obj)MLO 744 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 745 @find $(OBJTREE) -type f \ 746 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \ 747 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \) -print \ 748 | xargs rm -f 749 750# Removes everything not needed for testing u-boot 751tidy: clean 752 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 753 754clobber: tidy 755 @find $(OBJTREE) -type f \( -name '*.srec' \ 756 -o -name '*.bin' -o -name u-boot.img \) \ 757 -print0 | xargs -0 rm -f 758 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 759 $(obj)cscope.* $(obj)*.*~ 760 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 761 @rm -f $(obj)u-boot.kwb 762 @rm -f $(obj)u-boot.imx 763 @rm -f $(obj)u-boot.ubl 764 @rm -f $(obj)u-boot.ais 765 @rm -f $(obj)u-boot.dtb 766 @rm -f $(obj)u-boot.sb 767 @rm -f $(obj)tools/inca-swap-bytes 768 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 769 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 770 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 771 @rm -fr $(obj)include/generated 772 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 773 @[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f 774 @rm -f $(obj)dts/*.tmp 775 776mrproper \ 777distclean: clobber unconfig 778ifneq ($(OBJTREE),$(SRCTREE)) 779 rm -rf $(obj)* 780endif 781 782backup: 783 F=`basename $(TOPDIR)` ; cd .. ; \ 784 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 785 786######################################################################### 787