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)
17 TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h
18 VERSION_FILE = $(obj)include/generated/version_autogenerated.h
20 HOSTARCH := $(shell uname -m | \
30 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
31 sed -e 's/\(cygwin\).*/cygwin/')
33 export HOSTARCH HOSTOS
35 # Deal with colliding definitions from tcsh etc.
38 #########################################################################
39 # Allow for silent builds
40 ifeq (,$(findstring s,$(MAKEFLAGS)))
46 #########################################################################
48 # U-boot build supports generating object files in a separate external
49 # directory. Two use cases are supported:
51 # 1) Add O= to the make command line
52 # 'make O=/tmp/build all'
54 # 2) Set environment variable BUILD_DIR to point to the desired location
55 # 'export BUILD_DIR=/tmp/build'
58 # The second approach can also be used with a MAKEALL script
59 # 'export BUILD_DIR=/tmp/build'
62 # Command line 'O=' setting overrides BUILD_DIR environment variable.
64 # When none of the above methods is used the local build is performed and
65 # the object files are placed in the source directory.
69 ifeq ("$(origin O)", "command line")
74 # Call a source code checker (by default, "sparse") as part of the
77 # Use 'make C=1' to enable checking of re-compiled files.
79 # See the linux kernel file "Documentation/sparse.txt" for more details,
80 # including where to get the "sparse" utility.
83 ifeq ("$(origin C)", "command line")
93 saved-output := $(BUILD_DIR)
95 # Attempt to create a output directory.
96 $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
98 # Verify if it was successful.
99 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
100 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
101 endif # ifneq ($(BUILD_DIR),)
103 OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
104 SPLTREE := $(OBJTREE)/spl
105 TPLTREE := $(OBJTREE)/tpl
109 export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
111 MKCONFIG := $(SRCTREE)/mkconfig
114 ifneq ($(OBJTREE),$(SRCTREE))
119 # $(obj) and (src) are defined in config.mk but here in main Makefile
120 # we also need them before config.mk is included which is the case for
121 # some targets like unconfig, clean, clobber, distclean, etc.
122 ifneq ($(OBJTREE),$(SRCTREE))
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 LIBS-y += net/libnet.o
253 LIBS-y += disk/libdisk.o
254 LIBS-y += drivers/libdrivers.o
255 LIBS-y += drivers/dma/libdma.o
256 LIBS-y += drivers/gpio/libgpio.o
257 LIBS-y += drivers/i2c/libi2c.o
258 LIBS-y += drivers/input/libinput.o
259 LIBS-y += drivers/mmc/libmmc.o
260 LIBS-y += drivers/mtd/libmtd.o
261 LIBS-y += drivers/mtd/nand/libnand.o
262 LIBS-y += drivers/mtd/onenand/libonenand.o
263 LIBS-y += drivers/mtd/ubi/libubi.o
264 LIBS-y += drivers/mtd/spi/libspi_flash.o
265 LIBS-y += drivers/net/libnet.o
266 LIBS-y += drivers/net/phy/libphy.o
267 LIBS-y += drivers/pci/libpci.o
268 LIBS-y += drivers/power/libpower.o \
269 drivers/power/fuel_gauge/libfuel_gauge.o \
270 drivers/power/mfd/libmfd.o \
271 drivers/power/pmic/libpmic.o \
272 drivers/power/battery/libbattery.o
273 LIBS-y += drivers/spi/libspi.o
274 ifeq ($(CPU),mpc83xx)
275 LIBS-y += drivers/qe/libqe.o
276 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
277 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
279 ifeq ($(CPU),mpc85xx)
280 LIBS-y += drivers/qe/libqe.o
281 LIBS-y += drivers/net/fm/libfm.o
282 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
283 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
285 ifeq ($(CPU),mpc86xx)
286 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
287 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
289 LIBS-y += drivers/serial/libserial.o
290 LIBS-y += drivers/usb/eth/libusb_eth.o
291 LIBS-y += drivers/usb/gadget/libusb_gadget.o
292 LIBS-y += drivers/usb/host/libusb_host.o
293 LIBS-y += drivers/usb/musb/libusb_musb.o
294 LIBS-y += drivers/usb/musb-new/libusb_musb-new.o
295 LIBS-y += drivers/usb/phy/libusb_phy.o
296 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
297 LIBS-y += common/libcommon.o
298 LIBS-y += lib/libfdt/libfdt.o
299 LIBS-y += api/libapi.o
300 LIBS-y += post/libpost.o
301 LIBS-y += test/libtest.o
303 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
304 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
307 LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o
309 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
312 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
313 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
316 ifdef USE_PRIVATE_LIBGCC
317 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
318 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
320 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
323 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
325 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
328 # Special flags for CPP when processing the linker script.
329 # Pass the version down so we can handle backwards compatibility
332 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
334 $(shell $(LD) --version | \
335 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
337 __OBJS := $(subst $(obj),,$(OBJS))
338 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
340 #########################################################################
341 #########################################################################
343 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
345 @actual=`wc -c $@ | awk '{print $$1}'`; \
346 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
347 if test $$actual -gt $$limit; then \
348 echo "$@ exceeds file size limit:" >&2 ; \
349 echo " limit: $$limit bytes" >&2 ; \
350 echo " actual: $$actual bytes" >&2 ; \
351 echo " excess: $$((actual - limit)) bytes" >&2; \
358 # Always append ALL so that arch config.mk's can add custom ones
359 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
361 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
362 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
363 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
364 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
365 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
366 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
367 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
368 ifneq ($(CONFIG_SPL_TARGET),)
369 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
372 # enable combined SPL/u-boot/dtb rules for tegra
373 ifneq ($(CONFIG_TEGRA),)
374 ifeq ($(CONFIG_OF_SEPARATE),y)
375 ALL-y += $(obj)u-boot-dtb-tegra.bin
377 ALL-y += $(obj)u-boot-nodtb-tegra.bin
381 build := -f $(TOPDIR)/scripts/Makefile.build -C
383 all: $(ALL-y) $(SUBDIR_EXAMPLES)
385 $(obj)u-boot.dtb: checkdtc $(obj)u-boot
386 $(MAKE) $(build) dts binary
387 mv $(obj)dts/dt.dtb $@
389 $(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb
392 $(obj)u-boot.hex: $(obj)u-boot
393 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
395 $(obj)u-boot.srec: $(obj)u-boot
396 $(OBJCOPY) -O srec $< $@
398 $(obj)u-boot.bin: $(obj)u-boot
399 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
402 $(obj)u-boot.ldr: $(obj)u-boot
404 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
407 $(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
408 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
410 $(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
411 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
414 # U-Boot entry point, needed for booting of full-blown U-Boot
415 # from the SPL U-Boot version.
417 ifndef CONFIG_SYS_UBOOT_START
418 CONFIG_SYS_UBOOT_START := 0
421 $(obj)u-boot.img: $(obj)u-boot.bin
422 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
423 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
424 -e $(CONFIG_SYS_UBOOT_START) \
425 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
426 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
429 $(obj)u-boot.imx: $(obj)u-boot.bin depend
430 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
432 $(obj)u-boot.kwb: $(obj)u-boot.bin
433 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
434 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
436 $(obj)u-boot.pbl: $(obj)u-boot.bin
437 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
438 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
441 $(obj)u-boot.sha1: $(obj)u-boot.bin
442 $(obj)tools/ubsha1 $(obj)u-boot.bin
444 $(obj)u-boot.dis: $(obj)u-boot
445 $(OBJDUMP) -d $< > $@
447 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
450 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
452 cat $(obj)$(3) $(2) > $@; \
456 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
458 SPL_PAYLOAD := $(obj)u-boot.bin
461 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
462 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
464 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
465 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
467 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
468 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
469 $(OBJTREE)/u-boot-with-spl.imx
471 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
472 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
473 $(OBJTREE)/u-boot-with-nand-spl.imx
475 $(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin
476 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
477 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
479 $(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
480 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
482 -e $(CONFIG_SPL_TEXT_BASE) \
483 -d $(obj)spl/u-boot-spl.bin \
484 $(obj)spl/u-boot-spl.ais
485 $(OBJCOPY) ${OBJCFLAGS} -I binary \
486 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
487 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
488 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
492 $(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
493 $(MAKE) -C $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
495 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
496 # Both images are created using mkimage (crc etc), so that the ROM
497 # bootloader can check its integrity. Padding needs to be done to the
498 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
499 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
500 # The resulting image containing both U-Boot images is called u-boot.spr
501 $(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
502 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
503 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
504 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
505 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
506 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
507 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
508 conv=notrunc 2>/dev/null
509 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
511 ifneq ($(CONFIG_TEGRA),)
512 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
513 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
514 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
515 rm $(obj)spl/u-boot-spl-pad.bin
517 ifeq ($(CONFIG_OF_SEPARATE),y)
518 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
519 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
523 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
524 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
526 # PPC4xx needs the SPL at the end of the image, since the reset vector
527 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
528 # and need to introduce a new build target with the full blown U-Boot
529 # at the start padded up to the start of the SPL image. And then concat
530 # the SPL image to the end.
531 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
532 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
533 of=$(obj)u-boot-pad.img 2>/dev/null
534 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
535 conv=notrunc 2>/dev/null
536 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
538 ifeq ($(CONFIG_SANDBOX),y)
540 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
541 -Wl,--start-group $(__LIBS) -Wl,--end-group \
542 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
545 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
547 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
548 -Map u-boot.map -o u-boot
551 $(obj)u-boot: depend \
552 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
554 ifeq ($(CONFIG_KALLSYMS),y)
555 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
556 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
557 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
558 -c common/system_map.c -o $(obj)common/system_map.o
559 $(GEN_UBOOT) $(obj)common/system_map.o
562 # Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles
563 # U-Boot conventional sub makefiles always include some other makefiles.
564 # So, the build system searches a line beginning with "include" before entering into the sub makefile
565 # in order to distinguish which style it is.
566 # If the Makefile include a "include" line, we assume it is an U-Boot style makefile.
567 # Otherwise, it is treated as a Kbuild-style makefile.
569 +if grep -q "^include" $1/Makefile; then \
572 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build; \
573 mv $(dir $@)built-in.o $@; \
576 # We do not need to build $(OBJS) explicitly.
577 # It is built while we are at $(CPUDIR)/lib$(CPU).o build.
579 if grep -q "^include" $(CPUDIR)/Makefile; then \
580 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)); \
583 $(LIBS): depend $(SUBDIR_TOOLS)
584 +$(call select_makefile, $(dir $(subst $(obj),,$@)))
586 $(LIBBOARD): depend $(LIBS)
587 +$(call select_makefile, $(dir $(subst $(obj),,$@)))
592 $(SUBDIR_EXAMPLES): $(obj)u-boot
595 $(MAKE) -C $(dir $@) $(notdir $@)
597 $(obj)u-boot.lds: $(LDSCRIPT)
598 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
600 nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
601 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
603 $(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
604 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
606 $(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
609 $(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend
610 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
613 $(MAKE) -C tools/updater all
616 if grep -q "^include" $1/Makefile; then \
617 $(MAKE) -C $1 _depend; \
619 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build _depend; \
622 # Explicitly make _depend in subdirs containing multiple targets to prevent
623 # parallel sub-makes creating .depend files simultaneously.
624 depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
625 $(obj)include/spl-autoconf.mk \
626 $(obj)include/tpl-autoconf.mk \
627 $(obj)include/autoconf.mk \
628 $(obj)include/generated/generic-asm-offsets.h \
629 $(obj)include/generated/asm-offsets.h
630 +for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
631 $(call select_makefile2, $$dir); \
634 TAG_SUBDIRS = $(SUBDIRS)
635 TAG_SUBDIRS += $(dir $(__LIBS))
636 TAG_SUBDIRS += include
642 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
643 `$(FIND) $(obj) -name u-boot-spl -print` | \
644 perl $(src)tools/checkstack.pl $(ARCH)
647 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
648 -name '*.[chS]' -print`
651 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
652 -name '*.[chS]' -print`
654 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
660 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
662 $(obj)System.map: $(obj)u-boot
663 @$(call SYSTEM_MAP,$<) > $(obj)System.map
666 @if test $(call cc-version) -lt 0404; then \
667 echo -n '*** Your GCC does not produce working '; \
668 echo 'binaries in THUMB mode.'; \
669 echo '*** Your board is configured for THUMB mode.'; \
673 # GCC 3.x is reported to have problems generating the type of relocation
675 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
677 @if test $(call cc-version) -lt 0400; then \
678 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
683 @if test $(call dtc-version) -lt 0104; then \
684 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
689 # Auto-generate the autoconf.mk file (which is included by all makefiles)
691 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
692 # the dep file is only include in this top level makefile to determine when
693 # to regenerate the autoconf.mk file.
694 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
695 @$(XECHO) Generating $@ ; \
697 : Generate the dependancies ; \
698 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
699 -MQ $(obj)include/autoconf.mk include/common.h > $@
701 $(obj)include/autoconf.mk: $(obj)include/config.h
702 @$(XECHO) Generating $@ ; \
704 : Extract the config macros ; \
705 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
706 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
709 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
710 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
711 @$(XECHO) Generating $@ ; \
713 : Extract the config macros ; \
714 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\
715 -DDO_DEPS_ONLY -dM include/common.h | \
716 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
719 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
720 @$(XECHO) Generating $@ ; \
722 : Extract the config macros ; \
723 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \
724 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
727 $(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \
728 $(obj)include/spl-autoconf.mk \
729 $(obj)include/tpl-autoconf.mk \
730 $(obj)lib/asm-offsets.s
731 @$(XECHO) Generating $@
732 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
734 $(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \
735 $(obj)include/spl-autoconf.mk \
736 $(obj)include/tpl-autoconf.mk \
737 $(src)lib/asm-offsets.c
739 $(CC) -DDO_DEPS_ONLY \
740 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
741 -o $@ $(src)lib/asm-offsets.c -c -S
743 $(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \
744 $(obj)include/spl-autoconf.mk \
745 $(obj)include/tpl-autoconf.mk \
746 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
747 @$(XECHO) Generating $@
748 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
750 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep \
751 $(obj)include/spl-autoconf.mk \
752 $(obj)include/tpl-autoconf.mk
753 @mkdir -p $(obj)$(CPUDIR)/$(SOC)
754 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
755 $(CC) -DDO_DEPS_ONLY \
756 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
757 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
762 #########################################################################
764 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
765 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
766 $(filter-out tools,$(SUBDIRS)) \
767 updater depend dep tags ctags etags cscope $(obj)System.map:
768 @echo "System not configured - see README" >&2
771 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
775 # ARM relocations should all be R_ARM_RELATIVE.
776 checkarmreloc: $(obj)u-boot
777 @if test "R_ARM_RELATIVE" != \
778 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
779 then echo "$< contains relocations other than \
780 R_ARM_RELATIVE"; false; fi
783 @mkdir -p $(dir $(VERSION_FILE))
784 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
785 printf '#define PLAIN_VERSION "%s%s"\n' \
786 "$(U_BOOT_VERSION)" "$${localvers}" ; \
787 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
788 "$(U_BOOT_VERSION)" "$${localvers}" ; \
790 @( printf '#define CC_VERSION_STRING "%s"\n' \
791 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
792 @( printf '#define LD_VERSION_STRING "%s"\n' \
793 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
794 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
797 @mkdir -p $(dir $(TIMESTAMP_FILE))
798 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
799 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
800 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
803 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
806 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
807 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
809 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
810 $(MAKE) -C tools HOST_TOOLS_ALL=y
814 git log --no-merges U-Boot-1_1_5.. | \
815 unexpand -a | sed -e 's/\s\s*$$//' > $@
817 include/license.h: tools/bin2header COPYING
818 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
819 #########################################################################
822 @rm -f $(obj)include/config.h $(obj)include/config.mk \
823 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
824 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
825 $(obj)include/spl-autoconf.mk \
826 $(obj)include/tpl-autoconf.mk
829 @$(MKCONFIG) -A $(@:_config=)
831 sinclude $(obj).boards.depend
832 $(obj).boards.depend: boards.cfg
833 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
836 # Functions to generate common board directory names
838 lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
839 ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
841 #########################################################################
842 #########################################################################
845 @rm -f $(obj)examples/standalone/82559_eeprom \
846 $(obj)examples/standalone/atmel_df_pow2 \
847 $(obj)examples/standalone/eepro100_eeprom \
848 $(obj)examples/standalone/hello_world \
849 $(obj)examples/standalone/interrupt \
850 $(obj)examples/standalone/mem_to_mem_idma2intr \
851 $(obj)examples/standalone/sched \
852 $(obj)examples/standalone/smc911{11,x}_eeprom \
853 $(obj)examples/standalone/test_burst \
854 $(obj)examples/standalone/timer
855 @rm -f $(obj)examples/api/demo{,.bin}
856 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
857 $(obj)tools/env/{fw_printenv,fw_setenv} \
859 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \
860 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \
861 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \
862 $(obj)tools/mk{$(BOARD),}spl \
863 $(obj)tools/mxsboot \
864 $(obj)tools/ncb $(obj)tools/ubsha1 \
865 $(obj)tools/kernel-doc/docproc \
867 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \
868 $(obj)board/matrix_vision/*/bootscript.img \
869 $(obj)board/voiceblue/eeprom \
871 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \
872 $(obj)arch/blackfin/cpu/init.{lds,elf}
873 @rm -f $(obj)include/bmp_logo.h
874 @rm -f $(obj)include/bmp_logo_data.h
875 @rm -f $(obj)lib/asm-offsets.s
876 @rm -f $(obj)include/generated/asm-offsets.h
877 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
878 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
879 @$(MAKE) -s -C doc/DocBook/ cleandocs
880 @find $(OBJTREE) -type f \
881 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
882 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \
883 -o -name '*.cfgtmp' \) -print \
886 # Removes everything not needed for testing u-boot
888 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
891 @find $(OBJTREE) -type f \( -name '*.srec' \
892 -o -name '*.bin' -o -name u-boot.img \) \
893 -print0 | xargs -0 rm -f
894 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
895 $(obj)cscope.* $(obj)*.*~
896 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
897 @rm -f $(obj)u-boot.kwb
898 @rm -f $(obj)u-boot.pbl
899 @rm -f $(obj)u-boot.imx
900 @rm -f $(obj)u-boot-with-spl.imx
901 @rm -f $(obj)u-boot-with-nand-spl.imx
902 @rm -f $(obj)u-boot.ubl
903 @rm -f $(obj)u-boot.ais
904 @rm -f $(obj)u-boot.dtb
905 @rm -f $(obj)u-boot.sb
906 @rm -f $(obj)u-boot.bd
907 @rm -f $(obj)u-boot.spr
908 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
909 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
910 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
911 @rm -f $(obj)spl/u-boot-spl.lds
912 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
913 @rm -f $(obj)tpl/u-boot-spl.lds
914 @rm -f $(obj)MLO MLO.byteswap
916 @rm -f $(obj)tools/xway-swap-bytes
917 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
918 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
919 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
920 @rm -fr $(obj)include/generated
921 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
922 @rm -f $(obj)dts/*.tmp
923 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
926 distclean: clobber unconfig
927 ifneq ($(OBJTREE),$(SRCTREE))
932 F=`basename $(TOPDIR)` ; cd .. ; \
933 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
935 #########################################################################