2 # (C) Copyright 2000-2013
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # SPDX-License-Identifier: GPL-2.0+
12 ifneq "$(SUBLEVEL)" ""
13 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
15 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
18 HOSTARCH := $(shell uname -m | \
28 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
29 sed -e 's/\(cygwin\).*/cygwin/')
31 export HOSTARCH HOSTOS
33 # Deal with colliding definitions from tcsh etc.
36 #########################################################################
37 # Allow for silent builds
38 ifeq (,$(findstring s,$(MAKEFLAGS)))
44 #########################################################################
46 # U-boot build supports producing a object files to the separate external
47 # directory. Two use cases are supported:
49 # 1) Add O= to the make command line
50 # 'make O=/tmp/build all'
52 # 2) Set environement variable BUILD_DIR to point to the desired location
53 # 'export BUILD_DIR=/tmp/build'
56 # The second approach can also be used with a MAKEALL script
57 # 'export BUILD_DIR=/tmp/build'
60 # Command line 'O=' setting overrides BUILD_DIR environent variable.
62 # When none of the above methods is used the local build is performed and
63 # the object files are placed in the source directory.
67 ifeq ("$(origin O)", "command line")
72 # Call a source code checker (by default, "sparse") as part of the
75 # Use 'make C=1' to enable checking of re-compiled files.
77 # See the linux kernel file "Documentation/sparse.txt" for more details,
78 # including where to get the "sparse" utility.
81 ifeq ("$(origin C)", "command line")
91 saved-output := $(BUILD_DIR)
93 # Attempt to create an output directory.
94 $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
96 # Verify if it was successful.
97 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
98 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
99 endif # ifneq ($(BUILD_DIR),)
101 OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
102 SPLTREE := $(OBJTREE)/spl
106 export TOPDIR SRCTREE OBJTREE SPLTREE
108 MKCONFIG := $(SRCTREE)/mkconfig
111 ifneq ($(OBJTREE),$(SRCTREE))
116 # $(obj) and (src) are defined in config.mk but here in main Makefile
117 # we also need them before config.mk is included which is the case for
118 # some targets like unconfig, clean, clobber, distclean, etc.
119 ifneq ($(OBJTREE),$(SRCTREE))
128 TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h
129 VERSION_FILE = $(obj)include/generated/version_autogenerated.h
131 # Make sure CDPATH settings don't interfere
134 #########################################################################
136 # The "tools" are needed early, so put this first
137 # Don't include stuff already done in $(LIBS)
138 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
139 # is "yes"), so compile examples after U-Boot is compiled.
141 SUBDIR_EXAMPLES = examples/standalone examples/api
142 SUBDIRS = $(SUBDIR_TOOLS)
144 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
146 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
148 # Include autoconf.mk before config.mk so that the config options are available
149 # to all top level build files. We need the dummy all: target to prevent the
150 # dependency target in autoconf.mk.dep from being the default.
152 sinclude $(obj)include/autoconf.mk.dep
153 sinclude $(obj)include/autoconf.mk
155 ifndef CONFIG_SANDBOX
156 SUBDIRS += $(SUBDIR_EXAMPLES)
159 # load ARCH, BOARD, and CPU configuration
160 include $(obj)include/config.mk
161 export ARCH CPU BOARD VENDOR SOC
163 # set default to nothing for native builds
164 ifeq ($(HOSTARCH),$(ARCH))
168 # load other configuration
169 include $(TOPDIR)/config.mk
171 # Targets which don't build the source code
172 NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig
174 # Only do the generic board check when actually building, not configuring
175 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
176 ifeq ($(findstring _config,$(MAKECMDGOALS)),)
177 $(CHECK_GENERIC_BOARD)
181 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
182 # that (or fail if absent). Otherwise, search for a linker script in a
185 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
188 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
189 ifdef CONFIG_SYS_LDSCRIPT
190 # need to strip off double quotes
191 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
195 # If there is no specified link script, we look in a number of places for it
197 ifeq ($(CONFIG_NAND_U_BOOT),y)
198 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
199 ifeq ($(wildcard $(LDSCRIPT)),)
200 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
203 ifeq ($(wildcard $(LDSCRIPT)),)
204 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
206 ifeq ($(wildcard $(LDSCRIPT)),)
207 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
209 ifeq ($(wildcard $(LDSCRIPT)),)
210 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
211 # We don't expect a Makefile here
212 LDSCRIPT_MAKEFILE_DIR =
214 ifeq ($(wildcard $(LDSCRIPT)),)
215 $(error could not find linker script)
219 #########################################################################
220 # U-Boot objects....order is important (i.e. start must be first)
222 OBJS = $(CPUDIR)/start.o
224 OBJS += $(CPUDIR)/resetvec.o
226 ifeq ($(CPU),mpc85xx)
227 OBJS += $(CPUDIR)/resetvec.o
230 OBJS := $(addprefix $(obj),$(OBJS))
232 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
234 LIBS-y += lib/libgeneric.o
235 LIBS-y += lib/rsa/librsa.o
236 LIBS-y += lib/lzma/liblzma.o
237 LIBS-y += lib/lzo/liblzo.o
238 LIBS-y += lib/zlib/libz.o
239 LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o
240 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
241 LIBS-y += $(CPUDIR)/lib$(CPU).o
243 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
246 LIBS-y += drivers/net/npe/libnpe.o
248 LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
249 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
250 LIBS-y += fs/libfs.o \
252 fs/cramfs/libcramfs.o \
253 fs/ext4/libext4fs.o \
256 fs/jffs2/libjffs2.o \
257 fs/reiserfs/libreiserfs.o \
258 fs/sandbox/libsandboxfs.o \
259 fs/ubifs/libubifs.o \
260 fs/yaffs2/libyaffs2.o \
262 LIBS-y += net/libnet.o
263 LIBS-y += disk/libdisk.o
264 LIBS-y += drivers/bios_emulator/libatibiosemu.o
265 LIBS-y += drivers/block/libblock.o
266 LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o
267 LIBS-y += drivers/crypto/libcrypto.o
268 LIBS-y += drivers/dma/libdma.o
269 LIBS-y += drivers/fpga/libfpga.o
270 LIBS-y += drivers/gpio/libgpio.o
271 LIBS-y += drivers/hwmon/libhwmon.o
272 LIBS-y += drivers/i2c/libi2c.o
273 LIBS-y += drivers/input/libinput.o
274 LIBS-y += drivers/misc/libmisc.o
275 LIBS-y += drivers/mmc/libmmc.o
276 LIBS-y += drivers/mtd/libmtd.o
277 LIBS-y += drivers/mtd/nand/libnand.o
278 LIBS-y += drivers/mtd/onenand/libonenand.o
279 LIBS-y += drivers/mtd/ubi/libubi.o
280 LIBS-y += drivers/mtd/spi/libspi_flash.o
281 LIBS-y += drivers/net/libnet.o
282 LIBS-y += drivers/net/phy/libphy.o
283 LIBS-y += drivers/pci/libpci.o
284 LIBS-y += drivers/pcmcia/libpcmcia.o
285 LIBS-y += drivers/power/libpower.o \
286 drivers/power/fuel_gauge/libfuel_gauge.o \
287 drivers/power/pmic/libpmic.o \
288 drivers/power/battery/libbattery.o
289 LIBS-y += drivers/spi/libspi.o
290 LIBS-y += drivers/dfu/libdfu.o
291 ifeq ($(CPU),mpc83xx)
292 LIBS-y += drivers/qe/libqe.o
293 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
294 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
296 ifeq ($(CPU),mpc85xx)
297 LIBS-y += drivers/qe/libqe.o
298 LIBS-y += drivers/net/fm/libfm.o
299 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
300 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
302 ifeq ($(CPU),mpc86xx)
303 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
304 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
306 LIBS-y += drivers/rtc/librtc.o
307 LIBS-y += drivers/serial/libserial.o
308 LIBS-y += drivers/sound/libsound.o
309 LIBS-y += drivers/tpm/libtpm.o
310 LIBS-y += drivers/twserial/libtws.o
311 LIBS-y += drivers/usb/eth/libusb_eth.o
312 LIBS-y += drivers/usb/gadget/libusb_gadget.o
313 LIBS-y += drivers/usb/host/libusb_host.o
314 LIBS-y += drivers/usb/musb/libusb_musb.o
315 LIBS-y += drivers/usb/musb-new/libusb_musb-new.o
316 LIBS-y += drivers/usb/phy/libusb_phy.o
317 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
318 LIBS-y += drivers/video/libvideo.o
319 LIBS-y += drivers/watchdog/libwatchdog.o
320 LIBS-y += common/libcommon.o
321 LIBS-y += lib/libfdt/libfdt.o
322 LIBS-y += api/libapi.o
323 LIBS-y += post/libpost.o
324 LIBS-y += test/libtest.o
326 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),)
327 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
330 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
331 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
334 ifeq ($(SOC),s5pc1xx)
335 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
338 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
340 ifneq ($(CONFIG_TEGRA),)
341 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
342 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
343 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
346 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
349 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
350 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
353 ifdef USE_PRIVATE_LIBGCC
354 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
355 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
357 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
360 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
362 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
365 # Special flags for CPP when processing the linker script.
366 # Pass the version down so we can handle backwards compatibility
369 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
371 $(shell $(LD) --version | \
372 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
374 __OBJS := $(subst $(obj),,$(OBJS))
375 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
377 #########################################################################
378 #########################################################################
380 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
382 @actual=`wc -c $@ | awk '{print $$1}'`; \
383 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
384 if test $$actual -gt $$limit; then \
385 echo "$@ exceeds file size limit:" >&2 ; \
386 echo " limit: $$limit bytes" >&2 ; \
387 echo " actual: $$actual bytes" >&2 ; \
388 echo " excess: $$((actual - limit)) bytes" >&2; \
395 # Always append ALL so that arch config.mk's can add custom ones
396 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
398 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
399 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
400 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
401 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
402 ifneq ($(CONFIG_SPL_TARGET),)
403 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
406 # enable combined SPL/u-boot/dtb rules for tegra
407 ifneq ($(CONFIG_TEGRA),)
408 ifeq ($(CONFIG_OF_SEPARATE),y)
409 ALL-y += $(obj)u-boot-dtb-tegra.bin
411 ALL-y += $(obj)u-boot-nodtb-tegra.bin
415 all: $(ALL-y) $(SUBDIR_EXAMPLES)
417 $(obj)u-boot.dtb: checkdtc $(obj)u-boot
418 $(MAKE) -C dts binary
419 mv $(obj)dts/dt.dtb $@
421 $(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb
424 $(obj)u-boot.hex: $(obj)u-boot
425 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
427 $(obj)u-boot.srec: $(obj)u-boot
428 $(OBJCOPY) -O srec $< $@
430 $(obj)u-boot.bin: $(obj)u-boot
431 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
434 $(obj)u-boot.ldr: $(obj)u-boot
436 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
439 $(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
440 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
442 $(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
443 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
446 # U-Boot entry point, needed for booting of full-blown U-Boot
447 # from the SPL U-Boot version.
449 ifndef CONFIG_SYS_UBOOT_START
450 CONFIG_SYS_UBOOT_START := 0
453 $(obj)u-boot.img: $(obj)u-boot.bin
454 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
455 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
456 -e $(CONFIG_SYS_UBOOT_START) \
457 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
458 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
461 $(obj)u-boot.imx: $(obj)u-boot.bin depend
462 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
464 $(obj)u-boot.kwb: $(obj)u-boot.bin
465 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
466 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
468 $(obj)u-boot.pbl: $(obj)u-boot.bin
469 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
470 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
473 $(obj)u-boot.sha1: $(obj)u-boot.bin
474 $(obj)tools/ubsha1 $(obj)u-boot.bin
476 $(obj)u-boot.dis: $(obj)u-boot
477 $(OBJDUMP) -d $< > $@
481 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
482 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SPL_PAD_TO) \
483 -I binary -O binary $< $(obj)spl/u-boot-spl-pad.bin
484 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
485 rm $(obj)spl/u-boot-spl-pad.bin
487 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
488 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common \
489 $(OBJTREE)/u-boot-with-spl.imx
491 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
492 $(MAKE) -C $(SRCTREE)/arch/arm/imx-common \
493 $(OBJTREE)/u-boot-with-nand-spl.imx
495 $(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin
496 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
497 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
499 $(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
500 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
502 -e $(CONFIG_SPL_TEXT_BASE) \
503 -d $(obj)spl/u-boot-spl.bin \
504 $(obj)spl/u-boot-spl.ais
505 $(OBJCOPY) ${OBJCFLAGS} -I binary \
506 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
507 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
508 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
512 $(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin elftosb
513 $(MAKE) -C $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
515 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
516 # Both images are created using mkimage (crc etc), so that the ROM
517 # bootloader can check its integrity. Padding needs to be done to the
518 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
519 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
520 # The resulting image containing both U-Boot images is called u-boot.spr
521 $(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
522 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
523 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
524 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
525 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
526 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
527 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
528 conv=notrunc 2>/dev/null
529 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
531 ifneq ($(CONFIG_TEGRA),)
532 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
533 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
534 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
535 rm $(obj)spl/u-boot-spl-pad.bin
537 ifeq ($(CONFIG_OF_SEPARATE),y)
538 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
539 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
543 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
544 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
546 # PPC4xx needs the SPL at the end of the image, since the reset vector
547 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
548 # and need to introduce a new build target with the full blown U-Boot
549 # at the start padded up to the start of the SPL image. And then concat
550 # the SPL image to the end.
551 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
552 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
553 of=$(obj)u-boot-pad.img 2>/dev/null
554 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
555 conv=notrunc 2>/dev/null
556 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
558 ifeq ($(CONFIG_SANDBOX),y)
560 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
561 -Wl,--start-group $(__LIBS) -Wl,--end-group \
562 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
565 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
567 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
568 -Map u-boot.map -o u-boot
571 $(obj)u-boot: depend \
572 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
574 ifeq ($(CONFIG_KALLSYMS),y)
575 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
576 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
577 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
578 -c common/system_map.c -o $(obj)common/system_map.o
579 $(GEN_UBOOT) $(obj)common/system_map.o
583 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
585 $(LIBS): depend $(SUBDIR_TOOLS)
586 $(MAKE) -C $(dir $(subst $(obj),,$@))
588 $(LIBBOARD): depend $(LIBS)
589 $(MAKE) -C $(dir $(subst $(obj),,$@))
594 $(SUBDIR_EXAMPLES): $(obj)u-boot
597 $(MAKE) -C $(dir $@) $(notdir $@)
599 $(obj)u-boot.lds: $(LDSCRIPT)
600 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
602 nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
603 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
605 $(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
606 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
608 $(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
612 $(MAKE) -C tools/updater all
614 $(MAKE) -C $(SUBDIR_TOOLS)/elftosb all
616 # Explicitly make _depend in subdirs containing multiple targets to prevent
617 # parallel sub-makes creating .depend files simultaneously.
618 depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
619 $(obj)include/autoconf.mk \
620 $(obj)include/generated/generic-asm-offsets.h \
621 $(obj)include/generated/asm-offsets.h
622 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
623 $(MAKE) -C $$dir _depend ; done
625 TAG_SUBDIRS = $(SUBDIRS)
626 TAG_SUBDIRS += $(dir $(__LIBS))
627 TAG_SUBDIRS += include
633 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
634 `$(FIND) $(obj) -name u-boot-spl -print` | \
635 perl $(src)tools/checkstack.pl $(ARCH)
638 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
639 -name '*.[chS]' -print`
642 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
643 -name '*.[chS]' -print`
645 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
651 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
653 $(obj)System.map: $(obj)u-boot
654 @$(call SYSTEM_MAP,$<) > $(obj)System.map
657 @if test $(call cc-version) -lt 0404; then \
658 echo -n '*** Your GCC does not produce working '; \
659 echo 'binaries in THUMB mode.'; \
660 echo '*** Your board is configured for THUMB mode.'; \
664 # GCC 3.x is reported to have problems generating the type of relocation
666 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
668 @if test $(call cc-version) -lt 0400; then \
669 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
674 @if test $(call dtc-version) -lt 0104; then \
675 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
680 # Auto-generate the autoconf.mk file (which is included by all makefiles)
682 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
683 # the dep file is only include in this top level makefile to determine when
684 # to regenerate the autoconf.mk file.
685 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
686 @$(XECHO) Generating $@ ; \
688 : Generate the dependancies ; \
689 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
690 -MQ $(obj)include/autoconf.mk include/common.h > $@
692 $(obj)include/autoconf.mk: $(obj)include/config.h
693 @$(XECHO) Generating $@ ; \
695 : Extract the config macros ; \
696 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
697 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
700 $(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \
701 $(obj)lib/asm-offsets.s
702 @$(XECHO) Generating $@
703 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
705 $(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \
706 $(src)lib/asm-offsets.c
708 $(CC) -DDO_DEPS_ONLY \
709 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
710 -o $@ $(src)lib/asm-offsets.c -c -S
712 $(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \
713 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
714 @$(XECHO) Generating $@
715 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
717 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep
718 @mkdir -p $(obj)$(CPUDIR)/$(SOC)
719 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
720 $(CC) -DDO_DEPS_ONLY \
721 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
722 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
727 #########################################################################
729 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
730 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
731 $(filter-out tools,$(SUBDIRS)) \
732 updater depend dep tags ctags etags cscope $(obj)System.map:
733 @echo "System not configured - see README" >&2
736 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
740 # ARM relocations should all be R_ARM_RELATIVE.
741 checkarmreloc: $(obj)u-boot
742 @if test "R_ARM_RELATIVE" != \
743 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
744 then echo "$< contains relocations other than \
745 R_ARM_RELATIVE"; false; fi
748 @mkdir -p $(dir $(VERSION_FILE))
749 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
750 printf '#define PLAIN_VERSION "%s%s"\n' \
751 "$(U_BOOT_VERSION)" "$${localvers}" ; \
752 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
753 "$(U_BOOT_VERSION)" "$${localvers}" ; \
755 @( printf '#define CC_VERSION_STRING "%s"\n' \
756 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
757 @( printf '#define LD_VERSION_STRING "%s"\n' \
758 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
759 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
762 @mkdir -p $(dir $(TIMESTAMP_FILE))
763 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
764 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
765 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
768 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
771 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
772 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
774 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
775 $(MAKE) -C tools HOST_TOOLS_ALL=y
779 git log --no-merges U-Boot-1_1_5.. | \
780 unexpand -a | sed -e 's/\s\s*$$//' > $@
782 include/license.h: tools/bin2header COPYING
783 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
784 #########################################################################
787 @rm -f $(obj)include/config.h $(obj)include/config.mk \
788 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
789 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
792 @$(MKCONFIG) -A $(@:_config=)
794 sinclude $(obj).boards.depend
795 $(obj).boards.depend: boards.cfg
796 @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
799 # Functions to generate common board directory names
801 lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
802 ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
804 #########################################################################
805 #########################################################################
808 @rm -f $(obj)examples/standalone/82559_eeprom \
809 $(obj)examples/standalone/atmel_df_pow2 \
810 $(obj)examples/standalone/eepro100_eeprom \
811 $(obj)examples/standalone/hello_world \
812 $(obj)examples/standalone/interrupt \
813 $(obj)examples/standalone/mem_to_mem_idma2intr \
814 $(obj)examples/standalone/sched \
815 $(obj)examples/standalone/smc911{11,x}_eeprom \
816 $(obj)examples/standalone/test_burst \
817 $(obj)examples/standalone/timer
818 @rm -f $(obj)examples/api/demo{,.bin}
819 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
820 $(obj)tools/env/{fw_printenv,fw_setenv} \
822 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \
823 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \
824 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \
825 $(obj)tools/mk{smdk5250,}spl \
826 $(obj)tools/mxsboot \
827 $(obj)tools/ncb $(obj)tools/ubsha1 \
828 $(obj)tools/kernel-doc/docproc \
830 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \
831 $(obj)board/matrix_vision/*/bootscript.img \
832 $(obj)board/voiceblue/eeprom \
834 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \
835 $(obj)arch/blackfin/cpu/init.{lds,elf}
836 @rm -f $(obj)include/bmp_logo.h
837 @rm -f $(obj)include/bmp_logo_data.h
838 @rm -f $(obj)lib/asm-offsets.s
839 @rm -f $(obj)include/generated/asm-offsets.h
840 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
841 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
842 @$(MAKE) -s -C doc/DocBook/ cleandocs
843 @find $(OBJTREE) -type f \
844 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
845 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \
846 -o -name '*.cfgtmp' \) -print \
849 # Removes everything not needed for testing u-boot
851 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
854 @find $(OBJTREE) -type f \( -name '*.srec' \
855 -o -name '*.bin' -o -name u-boot.img \) \
856 -print0 | xargs -0 rm -f
857 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
858 $(obj)cscope.* $(obj)*.*~
859 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
860 @rm -f $(obj)u-boot.kwb
861 @rm -f $(obj)u-boot.pbl
862 @rm -f $(obj)u-boot.imx
863 @rm -f $(obj)u-boot-with-spl.imx
864 @rm -f $(obj)u-boot-with-nand-spl.imx
865 @rm -f $(obj)u-boot.ubl
866 @rm -f $(obj)u-boot.ais
867 @rm -f $(obj)u-boot.dtb
868 @rm -f $(obj)u-boot.sb
869 @rm -f $(obj)u-boot.bd
870 @rm -f $(obj)u-boot.spr
871 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
872 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
873 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
874 @rm -f $(obj)spl/u-boot-spl.lds
875 @rm -f $(obj)MLO MLO.byteswap
877 @rm -f $(obj)tools/xway-swap-bytes
878 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
879 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
880 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
881 @rm -fr $(obj)include/generated
882 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
883 @rm -f $(obj)dts/*.tmp
884 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
887 distclean: clobber unconfig
888 ifneq ($(OBJTREE),$(SRCTREE))
893 F=`basename $(TOPDIR)` ; cd .. ; \
894 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
896 #########################################################################