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 ($(CPU),mpc86xx)
286 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
287 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
289 LIBS-y += drivers/serial/libserial.o
290 LIBS-y += drivers/usb/eth/libusb_eth.o
291 LIBS-y += drivers/usb/gadget/libusb_gadget.o
292 LIBS-y += drivers/usb/host/libusb_host.o
293 LIBS-y += drivers/usb/musb/libusb_musb.o
294 LIBS-y += drivers/usb/musb-new/libusb_musb-new.o
295 LIBS-y += drivers/usb/phy/libusb_phy.o
296 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
297 LIBS-y += common/libcommon.o
298 LIBS-y += lib/libfdt/libfdt.o
299 LIBS-y += api/libapi.o
300 LIBS-y += post/libpost.o
301 LIBS-y += test/libtest.o
303 ifneq ($(CONFIG_OMAP_COMMON),)
304 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
307 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
308 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
311 ifeq ($(SOC),s5pc1xx)
312 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
315 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
317 LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o
319 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
322 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
323 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
326 ifdef USE_PRIVATE_LIBGCC
327 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
328 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
330 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
333 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
335 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
338 # Special flags for CPP when processing the linker script.
339 # Pass the version down so we can handle backwards compatibility
342 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
344 $(shell $(LD) --version | \
345 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
347 __OBJS := $(subst $(obj),,$(OBJS))
348 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
350 #########################################################################
351 #########################################################################
353 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
355 @actual=`wc -c $@ | awk '{print $$1}'`; \
356 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
357 if test $$actual -gt $$limit; then \
358 echo "$@ exceeds file size limit:" >&2 ; \
359 echo " limit: $$limit bytes" >&2 ; \
360 echo " actual: $$actual bytes" >&2 ; \
361 echo " excess: $$((actual - limit)) bytes" >&2; \
368 # Always append ALL so that arch config.mk's can add custom ones
369 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
371 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
372 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
373 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
374 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
375 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
376 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
377 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
378 ifneq ($(CONFIG_SPL_TARGET),)
379 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
382 # enable combined SPL/u-boot/dtb rules for tegra
383 ifneq ($(CONFIG_TEGRA),)
384 ifeq ($(CONFIG_OF_SEPARATE),y)
385 ALL-y += $(obj)u-boot-dtb-tegra.bin
387 ALL-y += $(obj)u-boot-nodtb-tegra.bin
391 build := -f $(TOPDIR)/scripts/Makefile.build -C
393 all: $(ALL-y) $(SUBDIR_EXAMPLES)
395 $(obj)u-boot.dtb: checkdtc $(obj)u-boot
396 $(MAKE) -C dts binary
397 mv $(obj)dts/dt.dtb $@
399 $(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb
402 $(obj)u-boot.hex: $(obj)u-boot
403 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
405 $(obj)u-boot.srec: $(obj)u-boot
406 $(OBJCOPY) -O srec $< $@
408 $(obj)u-boot.bin: $(obj)u-boot
409 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
412 $(obj)u-boot.ldr: $(obj)u-boot
414 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
417 $(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
418 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
420 $(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
421 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
424 # U-Boot entry point, needed for booting of full-blown U-Boot
425 # from the SPL U-Boot version.
427 ifndef CONFIG_SYS_UBOOT_START
428 CONFIG_SYS_UBOOT_START := 0
431 $(obj)u-boot.img: $(obj)u-boot.bin
432 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
433 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
434 -e $(CONFIG_SYS_UBOOT_START) \
435 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
436 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
439 $(obj)u-boot.imx: $(obj)u-boot.bin depend
440 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
442 $(obj)u-boot.kwb: $(obj)u-boot.bin
443 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
444 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
446 $(obj)u-boot.pbl: $(obj)u-boot.bin
447 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
448 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
451 $(obj)u-boot.sha1: $(obj)u-boot.bin
452 $(obj)tools/ubsha1 $(obj)u-boot.bin
454 $(obj)u-boot.dis: $(obj)u-boot
455 $(OBJDUMP) -d $< > $@
457 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
460 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
462 cat $(obj)$(3) $(2) > $@; \
466 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
468 SPL_PAYLOAD := $(obj)u-boot.bin
471 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
472 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
474 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
475 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
477 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
478 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
479 $(OBJTREE)/u-boot-with-spl.imx
481 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
482 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
483 $(OBJTREE)/u-boot-with-nand-spl.imx
485 $(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin
486 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
487 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
489 $(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
490 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
492 -e $(CONFIG_SPL_TEXT_BASE) \
493 -d $(obj)spl/u-boot-spl.bin \
494 $(obj)spl/u-boot-spl.ais
495 $(OBJCOPY) ${OBJCFLAGS} -I binary \
496 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
497 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
498 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
502 $(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
503 $(MAKE) -C $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
505 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
506 # Both images are created using mkimage (crc etc), so that the ROM
507 # bootloader can check its integrity. Padding needs to be done to the
508 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
509 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
510 # The resulting image containing both U-Boot images is called u-boot.spr
511 $(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
512 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
513 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
514 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
515 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
516 of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
517 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
518 conv=notrunc 2>/dev/null
519 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
521 ifneq ($(CONFIG_TEGRA),)
522 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
523 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
524 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
525 rm $(obj)spl/u-boot-spl-pad.bin
527 ifeq ($(CONFIG_OF_SEPARATE),y)
528 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
529 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
533 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
534 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
536 # PPC4xx needs the SPL at the end of the image, since the reset vector
537 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
538 # and need to introduce a new build target with the full blown U-Boot
539 # at the start padded up to the start of the SPL image. And then concat
540 # the SPL image to the end.
541 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
542 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
543 of=$(obj)u-boot-pad.img 2>/dev/null
544 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
545 conv=notrunc 2>/dev/null
546 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
548 ifeq ($(CONFIG_SANDBOX),y)
550 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
551 -Wl,--start-group $(__LIBS) -Wl,--end-group \
552 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
555 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
557 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
558 -Map u-boot.map -o u-boot
561 $(obj)u-boot: depend \
562 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
564 ifeq ($(CONFIG_KALLSYMS),y)
565 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
566 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
567 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
568 -c common/system_map.c -o $(obj)common/system_map.o
569 $(GEN_UBOOT) $(obj)common/system_map.o
572 # Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles
573 # U-Boot conventional sub makefiles always include some other makefiles.
574 # So, the build system searches a line beginning with "include" before entering into the sub makefile
575 # in order to distinguish which style it is.
576 # If the Makefile include a "include" line, we assume it is an U-Boot style makefile.
577 # Otherwise, it is treated as a Kbuild-style makefile.
579 +if grep -q "^include" $1/Makefile; then \
582 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build; \
583 mv $(dir $@)built-in.o $@; \
586 # We do not need to build $(OBJS) explicitly.
587 # It is built while we are at $(CPUDIR)/lib$(CPU).o build.
589 if grep -q "^include" $(CPUDIR)/Makefile; then \
590 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)); \
593 $(LIBS): depend $(SUBDIR_TOOLS)
594 +$(call select_makefile, $(dir $(subst $(obj),,$@)))
596 $(LIBBOARD): depend $(LIBS)
597 +$(call select_makefile, $(dir $(subst $(obj),,$@)))
602 $(SUBDIR_EXAMPLES): $(obj)u-boot
605 $(MAKE) -C $(dir $@) $(notdir $@)
607 $(obj)u-boot.lds: $(LDSCRIPT)
608 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
610 nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
611 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
613 $(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
614 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
616 $(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
619 $(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend
620 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
623 $(MAKE) -C tools/updater all
626 if grep -q "^include" $1/Makefile; then \
627 $(MAKE) -C $1 _depend; \
629 $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build _depend; \
632 # Explicitly make _depend in subdirs containing multiple targets to prevent
633 # parallel sub-makes creating .depend files simultaneously.
634 depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
635 $(obj)include/spl-autoconf.mk \
636 $(obj)include/tpl-autoconf.mk \
637 $(obj)include/autoconf.mk \
638 $(obj)include/generated/generic-asm-offsets.h \
639 $(obj)include/generated/asm-offsets.h
640 +for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
641 $(call select_makefile2, $$dir); \
644 TAG_SUBDIRS = $(SUBDIRS)
645 TAG_SUBDIRS += $(dir $(__LIBS))
646 TAG_SUBDIRS += include
652 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
653 `$(FIND) $(obj) -name u-boot-spl -print` | \
654 perl $(src)tools/checkstack.pl $(ARCH)
657 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
658 -name '*.[chS]' -print`
661 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
662 -name '*.[chS]' -print`
664 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
670 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
672 $(obj)System.map: $(obj)u-boot
673 @$(call SYSTEM_MAP,$<) > $(obj)System.map
676 @if test $(call cc-version) -lt 0404; then \
677 echo -n '*** Your GCC does not produce working '; \
678 echo 'binaries in THUMB mode.'; \
679 echo '*** Your board is configured for THUMB mode.'; \
683 # GCC 3.x is reported to have problems generating the type of relocation
685 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
687 @if test $(call cc-version) -lt 0400; then \
688 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
693 @if test $(call dtc-version) -lt 0104; then \
694 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
699 # Auto-generate the autoconf.mk file (which is included by all makefiles)
701 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
702 # the dep file is only include in this top level makefile to determine when
703 # to regenerate the autoconf.mk file.
704 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
705 @$(XECHO) Generating $@ ; \
707 : Generate the dependancies ; \
708 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
709 -MQ $(obj)include/autoconf.mk include/common.h > $@
711 $(obj)include/autoconf.mk: $(obj)include/config.h
712 @$(XECHO) Generating $@ ; \
714 : Extract the config macros ; \
715 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
716 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
719 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
720 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
721 @$(XECHO) Generating $@ ; \
723 : Extract the config macros ; \
724 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\
725 -DDO_DEPS_ONLY -dM include/common.h | \
726 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
729 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
730 @$(XECHO) Generating $@ ; \
732 : Extract the config macros ; \
733 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \
734 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
737 $(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \
738 $(obj)include/spl-autoconf.mk \
739 $(obj)include/tpl-autoconf.mk \
740 $(obj)lib/asm-offsets.s
741 @$(XECHO) Generating $@
742 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
744 $(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \
745 $(obj)include/spl-autoconf.mk \
746 $(obj)include/tpl-autoconf.mk \
747 $(src)lib/asm-offsets.c
749 $(CC) -DDO_DEPS_ONLY \
750 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
751 -o $@ $(src)lib/asm-offsets.c -c -S
753 $(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \
754 $(obj)include/spl-autoconf.mk \
755 $(obj)include/tpl-autoconf.mk \
756 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
757 @$(XECHO) Generating $@
758 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
760 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep \
761 $(obj)include/spl-autoconf.mk \
762 $(obj)include/tpl-autoconf.mk
763 @mkdir -p $(obj)$(CPUDIR)/$(SOC)
764 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
765 $(CC) -DDO_DEPS_ONLY \
766 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
767 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
772 #########################################################################
774 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
775 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
776 $(filter-out tools,$(SUBDIRS)) \
777 updater depend dep tags ctags etags cscope $(obj)System.map:
778 @echo "System not configured - see README" >&2
781 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
785 # ARM relocations should all be R_ARM_RELATIVE.
786 checkarmreloc: $(obj)u-boot
787 @if test "R_ARM_RELATIVE" != \
788 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
789 then echo "$< contains relocations other than \
790 R_ARM_RELATIVE"; false; fi
793 @mkdir -p $(dir $(VERSION_FILE))
794 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
795 printf '#define PLAIN_VERSION "%s%s"\n' \
796 "$(U_BOOT_VERSION)" "$${localvers}" ; \
797 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
798 "$(U_BOOT_VERSION)" "$${localvers}" ; \
800 @( printf '#define CC_VERSION_STRING "%s"\n' \
801 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
802 @( printf '#define LD_VERSION_STRING "%s"\n' \
803 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
804 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
807 @mkdir -p $(dir $(TIMESTAMP_FILE))
808 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
809 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
810 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
813 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
816 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
817 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
819 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
820 $(MAKE) -C tools HOST_TOOLS_ALL=y
824 git log --no-merges U-Boot-1_1_5.. | \
825 unexpand -a | sed -e 's/\s\s*$$//' > $@
827 include/license.h: tools/bin2header COPYING
828 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
829 #########################################################################
832 @rm -f $(obj)include/config.h $(obj)include/config.mk \
833 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
834 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
835 $(obj)include/spl-autoconf.mk \
836 $(obj)include/tpl-autoconf.mk
839 @$(MKCONFIG) -A $(@:_config=)
841 sinclude $(obj).boards.depend
842 $(obj).boards.depend: boards.cfg
843 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
846 # Functions to generate common board directory names
848 lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
849 ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
851 #########################################################################
852 #########################################################################
855 @rm -f $(obj)examples/standalone/82559_eeprom \
856 $(obj)examples/standalone/atmel_df_pow2 \
857 $(obj)examples/standalone/eepro100_eeprom \
858 $(obj)examples/standalone/hello_world \
859 $(obj)examples/standalone/interrupt \
860 $(obj)examples/standalone/mem_to_mem_idma2intr \
861 $(obj)examples/standalone/sched \
862 $(obj)examples/standalone/smc911{11,x}_eeprom \
863 $(obj)examples/standalone/test_burst \
864 $(obj)examples/standalone/timer
865 @rm -f $(obj)examples/api/demo{,.bin}
866 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
867 $(obj)tools/env/{fw_printenv,fw_setenv} \
869 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \
870 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \
871 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \
872 $(obj)tools/mk{$(BOARD),}spl \
873 $(obj)tools/mxsboot \
874 $(obj)tools/ncb $(obj)tools/ubsha1 \
875 $(obj)tools/kernel-doc/docproc \
877 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \
878 $(obj)board/matrix_vision/*/bootscript.img \
879 $(obj)board/voiceblue/eeprom \
881 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \
882 $(obj)arch/blackfin/cpu/init.{lds,elf}
883 @rm -f $(obj)include/bmp_logo.h
884 @rm -f $(obj)include/bmp_logo_data.h
885 @rm -f $(obj)lib/asm-offsets.s
886 @rm -f $(obj)include/generated/asm-offsets.h
887 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
888 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
889 @$(MAKE) -s -C doc/DocBook/ cleandocs
890 @find $(OBJTREE) -type f \
891 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
892 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \
893 -o -name '*.cfgtmp' \) -print \
896 # Removes everything not needed for testing u-boot
898 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
901 @find $(OBJTREE) -type f \( -name '*.srec' \
902 -o -name '*.bin' -o -name u-boot.img \) \
903 -print0 | xargs -0 rm -f
904 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
905 $(obj)cscope.* $(obj)*.*~
906 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
907 @rm -f $(obj)u-boot.kwb
908 @rm -f $(obj)u-boot.pbl
909 @rm -f $(obj)u-boot.imx
910 @rm -f $(obj)u-boot-with-spl.imx
911 @rm -f $(obj)u-boot-with-nand-spl.imx
912 @rm -f $(obj)u-boot.ubl
913 @rm -f $(obj)u-boot.ais
914 @rm -f $(obj)u-boot.dtb
915 @rm -f $(obj)u-boot.sb
916 @rm -f $(obj)u-boot.bd
917 @rm -f $(obj)u-boot.spr
918 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
919 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
920 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
921 @rm -f $(obj)spl/u-boot-spl.lds
922 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
923 @rm -f $(obj)tpl/u-boot-spl.lds
924 @rm -f $(obj)MLO MLO.byteswap
926 @rm -f $(obj)tools/xway-swap-bytes
927 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
928 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
929 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
930 @rm -fr $(obj)include/generated
931 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
932 @rm -f $(obj)dts/*.tmp
933 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
936 distclean: clobber unconfig
937 ifneq ($(OBJTREE),$(SRCTREE))
942 F=`basename $(TOPDIR)` ; cd .. ; \
943 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
945 #########################################################################