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 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 177ifndef 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 183endif 184 185ifndef 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 201endif 202 203######################################################################### 204# U-Boot objects....order is important (i.e. start must be first) 205 206OBJS = $(CPUDIR)/start.o 207ifeq ($(CPU),x86) 208OBJS += $(CPUDIR)/start16.o 209OBJS += $(CPUDIR)/resetvec.o 210endif 211ifeq ($(CPU),ppc4xx) 212OBJS += $(CPUDIR)/resetvec.o 213endif 214ifeq ($(CPU),mpc85xx) 215OBJS += $(CPUDIR)/resetvec.o 216endif 217 218OBJS := $(addprefix $(obj),$(OBJS)) 219 220LIBS = lib/libgeneric.o 221LIBS += lib/lzma/liblzma.o 222LIBS += lib/lzo/liblzo.o 223LIBS += lib/zlib/libz.o 224LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \ 225 "board/$(VENDOR)/common/lib$(VENDOR).o"; fi) 226LIBS += $(CPUDIR)/lib$(CPU).o 227ifdef SOC 228LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).o 229endif 230ifeq ($(CPU),ixp) 231LIBS += arch/arm/cpu/ixp/npe/libnpe.o 232endif 233ifeq ($(CONFIG_OF_EMBED),y) 234LIBS += dts/libdts.o 235endif 236LIBS += arch/$(ARCH)/lib/lib$(ARCH).o 237LIBS += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \ 238 fs/reiserfs/libreiserfs.o fs/ext2/libext2fs.o fs/yaffs2/libyaffs2.o \ 239 fs/ubifs/libubifs.o 240LIBS += net/libnet.o 241LIBS += disk/libdisk.o 242LIBS += drivers/bios_emulator/libatibiosemu.o 243LIBS += drivers/block/libblock.o 244LIBS += drivers/dma/libdma.o 245LIBS += drivers/fpga/libfpga.o 246LIBS += drivers/gpio/libgpio.o 247LIBS += drivers/hwmon/libhwmon.o 248LIBS += drivers/i2c/libi2c.o 249LIBS += drivers/input/libinput.o 250LIBS += drivers/misc/libmisc.o 251LIBS += drivers/mmc/libmmc.o 252LIBS += drivers/mtd/libmtd.o 253LIBS += drivers/mtd/nand/libnand.o 254LIBS += drivers/mtd/onenand/libonenand.o 255LIBS += drivers/mtd/ubi/libubi.o 256LIBS += drivers/mtd/spi/libspi_flash.o 257LIBS += drivers/net/libnet.o 258LIBS += drivers/net/phy/libphy.o 259LIBS += drivers/pci/libpci.o 260LIBS += drivers/pcmcia/libpcmcia.o 261LIBS += drivers/power/libpower.o 262LIBS += drivers/spi/libspi.o 263ifeq ($(CPU),mpc83xx) 264LIBS += drivers/qe/libqe.o 265LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 266LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 267endif 268ifeq ($(CPU),mpc85xx) 269LIBS += drivers/qe/libqe.o 270LIBS += drivers/net/fm/libfm.o 271LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 272LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 273endif 274ifeq ($(CPU),mpc86xx) 275LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o 276LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o 277endif 278LIBS += drivers/rtc/librtc.o 279LIBS += drivers/serial/libserial.o 280ifeq ($(CONFIG_GENERIC_LPC_TPM),y) 281LIBS += drivers/tpm/libtpm.o 282endif 283LIBS += drivers/twserial/libtws.o 284LIBS += drivers/usb/eth/libusb_eth.o 285LIBS += drivers/usb/gadget/libusb_gadget.o 286LIBS += drivers/usb/host/libusb_host.o 287LIBS += drivers/usb/musb/libusb_musb.o 288LIBS += drivers/usb/phy/libusb_phy.o 289LIBS += drivers/usb/ulpi/libusb_ulpi.o 290LIBS += drivers/video/libvideo.o 291LIBS += drivers/watchdog/libwatchdog.o 292LIBS += common/libcommon.o 293LIBS += lib/libfdt/libfdt.o 294LIBS += api/libapi.o 295LIBS += post/libpost.o 296 297ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),) 298LIBS += $(CPUDIR)/omap-common/libomap-common.o 299endif 300 301ifeq ($(SOC),mx5) 302LIBS += $(CPUDIR)/imx-common/libimx-common.o 303endif 304ifeq ($(SOC),mx6) 305LIBS += $(CPUDIR)/imx-common/libimx-common.o 306endif 307 308ifeq ($(SOC),s5pc1xx) 309LIBS += $(CPUDIR)/s5p-common/libs5p-common.o 310endif 311ifeq ($(SOC),exynos) 312LIBS += $(CPUDIR)/s5p-common/libs5p-common.o 313endif 314 315LIBS := $(addprefix $(obj),$(sort $(LIBS))) 316.PHONY : $(LIBS) 317 318LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o 319LIBBOARD := $(addprefix $(obj),$(LIBBOARD)) 320 321# Add GCC lib 322ifdef USE_PRIVATE_LIBGCC 323ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") 324PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o 325else 326PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc 327endif 328else 329PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc 330endif 331PLATFORM_LIBS += $(PLATFORM_LIBGCC) 332export 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. 337LDPPFLAGS += \ 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 348ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 349BOARD_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 359else 360BOARD_SIZE_CHECK = 361endif 362 363# Always append ALL so that arch config.mk's can add custom ones 364ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map 365 366ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin 367ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin 368ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin 369ALL-$(CONFIG_MMC_U_BOOT) += $(obj)mmc_spl/u-boot-mmc-spl.bin 370ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin 371ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin 372 373all: $(ALL-y) $(SUBDIR_EXAMPLES) 374 375$(obj)u-boot.dtb: $(obj)u-boot 376 $(MAKE) -C dts binary 377 mv $(obj)dts/dt.dtb $@ 378 379$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb 380 cat $^ >$@ 381 382$(obj)u-boot.hex: $(obj)u-boot 383 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ 384 385$(obj)u-boot.srec: $(obj)u-boot 386 $(OBJCOPY) -O srec $< $@ 387 388$(obj)u-boot.bin: $(obj)u-boot 389 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@ 390 $(BOARD_SIZE_CHECK) 391 392$(obj)u-boot.ldr: $(obj)u-boot 393 $(CREATE_LDR_ENV) 394 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS) 395 $(BOARD_SIZE_CHECK) 396 397$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr 398 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary 399 400$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr 401 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary 402 403$(obj)u-boot.img: $(obj)u-boot.bin 404 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \ 405 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \ 406 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \ 407 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \ 408 -d $< $@ 409 410$(obj)u-boot.imx: $(obj)u-boot.bin 411 $(obj)tools/mkimage -n $(CONFIG_IMX_CONFIG) -T imximage \ 412 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 413 414$(obj)u-boot.kwb: $(obj)u-boot.bin 415 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \ 416 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@ 417 418$(obj)u-boot.sha1: $(obj)u-boot.bin 419 $(obj)tools/ubsha1 $(obj)u-boot.bin 420 421$(obj)u-boot.dis: $(obj)u-boot 422 $(OBJDUMP) -d $< > $@ 423 424$(obj)u-boot.ubl: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 425 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin 426 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin 427 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \ 428 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl 429 rm $(obj)u-boot-ubl.bin 430 rm $(obj)spl/u-boot-spl-pad.bin 431 432$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin 433 $(obj)tools/mkimage -s -n /dev/null -T aisimage \ 434 -e $(CONFIG_SPL_TEXT_BASE) \ 435 -d $(obj)spl/u-boot-spl.bin \ 436 $(obj)spl/u-boot-spl.ais 437 $(OBJCOPY) ${OBJCFLAGS} -I binary \ 438 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \ 439 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais 440 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \ 441 $(obj)u-boot.ais 442 rm $(obj)spl/u-boot-spl{,-pad}.ais 443 444$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin 445 elftosb -zdf imx28 -c $(TOPDIR)/board/$(BOARDDIR)/u-boot.bd \ 446 -o $(obj)u-boot.sb 447 448ifeq ($(CONFIG_SANDBOX),y) 449GEN_UBOOT = \ 450 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \ 451 -Wl,--start-group $(__LIBS) -Wl,--end-group \ 452 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot 453else 454GEN_UBOOT = \ 455 UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \ 456 sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\ 457 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \ 458 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ 459 -Map u-boot.map -o u-boot 460endif 461 462$(obj)u-boot: depend \ 463 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds 464 $(GEN_UBOOT) 465ifeq ($(CONFIG_KALLSYMS),y) 466 smap=`$(call SYSTEM_MAP,u-boot) | \ 467 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 468 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \ 469 -c common/system_map.c -o $(obj)common/system_map.o 470 $(GEN_UBOOT) $(obj)common/system_map.o 471endif 472 473$(OBJS): depend 474 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)) 475 476$(LIBS): depend $(SUBDIR_TOOLS) 477 $(MAKE) -C $(dir $(subst $(obj),,$@)) 478 479$(LIBBOARD): depend $(LIBS) 480 $(MAKE) -C $(dir $(subst $(obj),,$@)) 481 482$(SUBDIRS): depend 483 $(MAKE) -C $@ all 484 485$(SUBDIR_EXAMPLES): $(obj)u-boot 486 487$(LDSCRIPT): depend 488 $(MAKE) -C $(dir $@) $(notdir $@) 489 490$(obj)u-boot.lds: $(LDSCRIPT) 491 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@ 492 493nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 494 $(MAKE) -C nand_spl/board/$(BOARDDIR) all 495 496$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin 497 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin 498 499onenand_ipl: $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk 500 $(MAKE) -C onenand_ipl/board/$(BOARDDIR) all 501 502$(obj)u-boot-onenand.bin: onenand_ipl $(obj)u-boot.bin 503 cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin 504 505mmc_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend 506 $(MAKE) -C mmc_spl/board/$(BOARDDIR) all 507 508$(obj)mmc_spl/u-boot-mmc-spl.bin: mmc_spl 509 510$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend 511 $(MAKE) -C spl all 512 513updater: 514 $(MAKE) -C tools/updater all 515 516# Explicitly make _depend in subdirs containing multiple targets to prevent 517# parallel sub-makes creating .depend files simultaneously. 518depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \ 519 $(obj)include/autoconf.mk \ 520 $(obj)include/generated/generic-asm-offsets.h \ 521 $(obj)include/generated/asm-offsets.h 522 for dir in $(SUBDIRS) $(CPUDIR) $(dir $(LDSCRIPT)) ; do \ 523 $(MAKE) -C $$dir _depend ; done 524 525TAG_SUBDIRS = $(SUBDIRS) 526TAG_SUBDIRS += $(dir $(__LIBS)) 527TAG_SUBDIRS += include 528 529FIND := find 530FINDFLAGS := -L 531 532tags ctags: 533 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 534 -name '*.[chS]' -print` 535 536etags: 537 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 538 -name '*.[chS]' -print` 539cscope: 540 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 541 cscope.files 542 cscope -b -q -k 543 544SYSTEM_MAP = \ 545 $(NM) $1 | \ 546 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 547 LC_ALL=C sort 548$(obj)System.map: $(obj)u-boot 549 @$(call SYSTEM_MAP,$<) > $(obj)System.map 550 551# 552# Auto-generate the autoconf.mk file (which is included by all makefiles) 553# 554# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. 555# the dep file is only include in this top level makefile to determine when 556# to regenerate the autoconf.mk file. 557$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h 558 @$(XECHO) Generating $@ ; \ 559 set -e ; \ 560 : Generate the dependancies ; \ 561 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ 562 -MQ $(obj)include/autoconf.mk include/common.h > $@ 563 564$(obj)include/autoconf.mk: $(obj)include/config.h 565 @$(XECHO) Generating $@ ; \ 566 set -e ; \ 567 : Extract the config macros ; \ 568 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ 569 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ 570 mv $@.tmp $@ 571 572$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ 573 $(obj)lib/asm-offsets.s 574 @$(XECHO) Generating $@ 575 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ 576 577$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ 578 $(src)lib/asm-offsets.c 579 @mkdir -p $(obj)lib 580 $(CC) -DDO_DEPS_ONLY \ 581 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 582 -o $@ $(src)lib/asm-offsets.c -c -S 583 584$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \ 585 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 586 @echo Generating $@ 587 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@ 588 589$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep 590 @mkdir -p $(obj)$(CPUDIR)/$(SOC) 591 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \ 592 $(CC) -DDO_DEPS_ONLY \ 593 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ 594 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \ 595 else \ 596 touch $@; \ 597 fi 598 599######################################################################### 600else # !config.mk 601all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ 602$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ 603$(filter-out tools,$(SUBDIRS)) \ 604updater depend dep tags ctags etags cscope $(obj)System.map: 605 @echo "System not configured - see README" >&2 606 @ exit 1 607 608tools: $(VERSION_FILE) $(TIMESTAMP_FILE) 609 $(MAKE) -C $@ all 610endif # config.mk 611 612$(VERSION_FILE): 613 @mkdir -p $(dir $(VERSION_FILE)) 614 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ 615 printf '#define PLAIN_VERSION "%s%s"\n' \ 616 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 617 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \ 618 "$(U_BOOT_VERSION)" "$${localvers}" ; \ 619 ) > $@.tmp 620 @( printf '#define CC_VERSION_STRING "%s"\n' \ 621 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp 622 @( printf '#define LD_VERSION_STRING "%s"\n' \ 623 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp 624 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 625 626$(TIMESTAMP_FILE): 627 @mkdir -p $(dir $(TIMESTAMP_FILE)) 628 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp 629 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp 630 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@ 631 632easylogo env gdb: 633 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION} 634gdbtools: gdb 635 636tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE) 637 $(MAKE) -C tools HOST_TOOLS_ALL=y 638 639.PHONY : CHANGELOG 640CHANGELOG: 641 git log --no-merges U-Boot-1_1_5.. | \ 642 unexpand -a | sed -e 's/\s\s*$$//' > $@ 643 644include/license.h: tools/bin2header COPYING 645 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 646######################################################################### 647 648unconfig: 649 @rm -f $(obj)include/config.h $(obj)include/config.mk \ 650 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \ 651 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep 652 653%_config:: unconfig 654 @$(MKCONFIG) -A $(@:_config=) 655 656sinclude $(obj).boards.depend 657$(obj).boards.depend: boards.cfg 658 @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@ 659 660# 661# Functions to generate common board directory names 662# 663lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') 664ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') 665 666#======================================================================== 667# ARM 668#======================================================================== 669 670spear300_config \ 671spear310_config \ 672spear320_config : unconfig 673 @$(MKCONFIG) -n $@ -t $@ spear3xx arm arm926ejs $(@:_config=) spear spear 674 675spear600_config : unconfig 676 @$(MKCONFIG) -n $@ -t $@ spear6xx arm arm926ejs $(@:_config=) spear spear 677 678SX1_stdout_serial_config \ 679SX1_config: unconfig 680 @mkdir -p $(obj)include 681 @if [ "$(findstring _stdout_serial_, $@)" ] ; then \ 682 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \ 683 else \ 684 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \ 685 fi; 686 @$(MKCONFIG) -n $@ SX1 arm arm925t sx1 687 688######################################################################### 689## XScale Systems 690######################################################################### 691 692pdnb3_config \ 693scpu_config: unconfig 694 @mkdir -p $(obj)include 695 @if [ "$(findstring scpu_,$@)" ] ; then \ 696 echo "#define CONFIG_SCPU" >>$(obj)include/config.h ; \ 697 fi 698 @$(MKCONFIG) -n $@ -a pdnb3 arm ixp pdnb3 prodrive 699 700######################################################################### 701## ARM1176 Systems 702######################################################################### 703smdk6400_noUSB_config \ 704smdk6400_config : unconfig 705 @mkdir -p $(obj)include $(obj)board/samsung/smdk6400 706 @mkdir -p $(obj)nand_spl/board/samsung/smdk6400 707 @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h 708 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk 709 @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then \ 710 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ 711 else \ 712 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\ 713 fi 714 @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx 715 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk 716 717######################################################################### 718######################################################################### 719 720clean: 721 @rm -f $(obj)examples/standalone/82559_eeprom \ 722 $(obj)examples/standalone/atmel_df_pow2 \ 723 $(obj)examples/standalone/eepro100_eeprom \ 724 $(obj)examples/standalone/hello_world \ 725 $(obj)examples/standalone/interrupt \ 726 $(obj)examples/standalone/mem_to_mem_idma2intr \ 727 $(obj)examples/standalone/sched \ 728 $(obj)examples/standalone/smc911{11,x}_eeprom \ 729 $(obj)examples/standalone/test_burst \ 730 $(obj)examples/standalone/timer 731 @rm -f $(obj)examples/api/demo{,.bin} 732 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \ 733 $(obj)tools/env/{fw_printenv,fw_setenv} \ 734 $(obj)tools/envcrc \ 735 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ 736 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ 737 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ 738 $(obj)tools/ncb $(obj)tools/ubsha1 739 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \ 740 $(obj)board/matrix_vision/*/bootscript.img \ 741 $(obj)board/voiceblue/eeprom \ 742 $(obj)u-boot.lds \ 743 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ 744 $(obj)arch/blackfin/cpu/init.{lds,elf} 745 @rm -f $(obj)include/bmp_logo.h 746 @rm -f $(obj)include/bmp_logo_data.h 747 @rm -f $(obj)lib/asm-offsets.s 748 @rm -f $(obj)include/generated/asm-offsets.h 749 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s 750 @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map} 751 @rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map} 752 @rm -f $(obj)mmc_spl/{u-boot.lds,u-boot-spl,u-boot-spl.map,u-boot-spl.bin,u-boot-mmc-spl.bin} 753 @rm -f $(ONENAND_BIN) 754 @rm -f $(obj)onenand_ipl/u-boot.lds 755 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map} 756 @rm -f $(obj)MLO 757 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE) 758 @find $(OBJTREE) -type f \ 759 \( -name 'core' -o -name '*.bak' -o -name '*~' \ 760 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \) -print \ 761 | xargs rm -f 762 763# Removes everything not needed for testing u-boot 764tidy: clean 765 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f 766 767clobber: tidy 768 @find $(OBJTREE) -type f \( -name '*.srec' \ 769 -o -name '*.bin' -o -name u-boot.img \) \ 770 -print0 | xargs -0 rm -f 771 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \ 772 $(obj)cscope.* $(obj)*.*~ 773 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y) 774 @rm -f $(obj)u-boot.kwb 775 @rm -f $(obj)u-boot.imx 776 @rm -f $(obj)u-boot.ubl 777 @rm -f $(obj)u-boot.ais 778 @rm -f $(obj)u-boot.dtb 779 @rm -f $(obj)u-boot.sb 780 @rm -f $(obj)tools/inca-swap-bytes 781 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c 782 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c 783 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm 784 @rm -fr $(obj)include/generated 785 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f 786 @[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f 787 @[ ! -d $(obj)mmc_spl ] || find $(obj)mmc_spl -name "*" -type l -print | xargs rm -f 788 @rm -f $(obj)dts/*.tmp 789 790mrproper \ 791distclean: clobber unconfig 792ifneq ($(OBJTREE),$(SRCTREE)) 793 rm -rf $(obj)* 794endif 795 796backup: 797 F=`basename $(TOPDIR)` ; cd .. ; \ 798 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 799 800######################################################################### 801