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.
68 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 a 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
103 TPLTREE := $(OBJTREE)/tpl
107 export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
109 MKCONFIG := $(SRCTREE)/mkconfig
112 # $(obj) and (src) are defined in config.mk but here in main Makefile
113 # we also need them before config.mk is included which is the case for
114 # some targets like unconfig, clean, clobber, distclean, etc.
115 ifneq ($(OBJTREE),$(SRCTREE))
124 # Make sure CDPATH settings don't interfere
127 #########################################################################
129 # The "tools" are needed early, so put this first
130 # Don't include stuff already done in $(LIBS)
131 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
132 # is "yes"), so compile examples after U-Boot is compiled.
134 SUBDIRS = $(SUBDIR_TOOLS)
136 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
138 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
140 # Include autoconf.mk before config.mk so that the config options are available
141 # to all top level build files. We need the dummy all: target to prevent the
142 # dependency target in autoconf.mk.dep from being the default.
144 sinclude $(obj)include/autoconf.mk.dep
145 sinclude $(obj)include/autoconf.mk
147 SUBDIR_EXAMPLES-y := examples/standalone
148 SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api
149 ifndef CONFIG_SANDBOX
150 SUBDIRS += $(SUBDIR_EXAMPLES-y)
153 # load ARCH, BOARD, and CPU configuration
154 include $(obj)include/config.mk
155 export ARCH CPU BOARD VENDOR SOC
157 # set default to nothing for native builds
158 ifeq ($(HOSTARCH),$(ARCH))
162 # load other configuration
163 include $(TOPDIR)/config.mk
165 # Targets which don't build the source code
166 NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig
168 # Only do the generic board check when actually building, not configuring
169 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
170 ifeq ($(findstring _config,$(MAKECMDGOALS)),)
171 $(CHECK_GENERIC_BOARD)
175 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
176 # that (or fail if absent). Otherwise, search for a linker script in a
179 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
182 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
183 ifdef CONFIG_SYS_LDSCRIPT
184 # need to strip off double quotes
185 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%)
189 # If there is no specified link script, we look in a number of places for it
191 ifeq ($(CONFIG_NAND_U_BOOT),y)
192 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
193 ifeq ($(wildcard $(LDSCRIPT)),)
194 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
197 ifeq ($(wildcard $(LDSCRIPT)),)
198 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
200 ifeq ($(wildcard $(LDSCRIPT)),)
201 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
203 ifeq ($(wildcard $(LDSCRIPT)),)
204 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
205 # We don't expect a Makefile here
206 LDSCRIPT_MAKEFILE_DIR =
208 ifeq ($(wildcard $(LDSCRIPT)),)
209 $(error could not find linker script)
213 #########################################################################
214 # U-Boot objects....order is important (i.e. start must be first)
216 head-y := $(CPUDIR)/start.o
217 head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o
218 head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o
220 OBJS := $(addprefix $(obj),$(head-y))
222 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
225 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
228 LIBS-y += $(CPUDIR)/$(SOC)/
230 LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
231 LIBS-$(CONFIG_OF_EMBED) += dts/
232 LIBS-y += arch/$(ARCH)/lib/
237 LIBS-y += drivers/dma/
238 LIBS-y += drivers/gpio/
239 LIBS-y += drivers/i2c/
240 LIBS-y += drivers/input/
241 LIBS-y += drivers/mmc/
242 LIBS-y += drivers/mtd/
243 LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
244 LIBS-y += drivers/mtd/onenand/
245 LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
246 LIBS-y += drivers/mtd/spi/
247 LIBS-y += drivers/net/
248 LIBS-y += drivers/net/phy/
249 LIBS-y += drivers/pci/
250 LIBS-y += drivers/power/ \
251 drivers/power/fuel_gauge/ \
253 drivers/power/pmic/ \
254 drivers/power/battery/
255 LIBS-y += drivers/spi/
256 LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
257 LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
258 LIBS-y += drivers/serial/
259 LIBS-y += drivers/usb/eth/
260 LIBS-y += drivers/usb/gadget/
261 LIBS-y += drivers/usb/host/
262 LIBS-y += drivers/usb/musb/
263 LIBS-y += drivers/usb/musb-new/
264 LIBS-y += drivers/usb/phy/
265 LIBS-y += drivers/usb/ulpi/
267 LIBS-y += lib/libfdt/
268 LIBS-$(CONFIG_API) += api/
269 LIBS-$(CONFIG_HAS_POST) += post/
272 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
273 LIBS-y += arch/$(ARCH)/imx-common/
276 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
277 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
279 LIBS-y += board/$(BOARDDIR)/
281 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
282 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
286 ifdef USE_PRIVATE_LIBGCC
287 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
288 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
290 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
293 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
295 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
298 # Special flags for CPP when processing the linker script.
299 # Pass the version down so we can handle backwards compatibility
302 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
304 $(shell $(LD) --version | \
305 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
307 __OBJS := $(subst $(obj),,$(OBJS))
308 __LIBS := $(subst $(obj),,$(LIBS))
310 #########################################################################
311 #########################################################################
313 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
315 @actual=`wc -c $@ | awk '{print $$1}'`; \
316 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
317 if test $$actual -gt $$limit; then \
318 echo "$@ exceeds file size limit:" >&2 ; \
319 echo " limit: $$limit bytes" >&2 ; \
320 echo " actual: $$actual bytes" >&2 ; \
321 echo " excess: $$((actual - limit)) bytes" >&2; \
328 # Statically apply RELA-style relocations (currently arm64 only)
329 ifneq ($(CONFIG_STATIC_RELA),)
330 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
332 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \
333 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \
334 $(obj)tools/relocate-rela $(2) $(3) $$start $$end
339 # Always append ALL so that arch config.mk's can add custom ones
340 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
342 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
343 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
344 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
345 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
346 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
347 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
348 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
349 ifneq ($(CONFIG_SPL_TARGET),)
350 ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%)
352 ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf
354 # enable combined SPL/u-boot/dtb rules for tegra
355 ifneq ($(CONFIG_TEGRA),)
356 ifeq ($(CONFIG_SPL),y)
357 ifeq ($(CONFIG_OF_SEPARATE),y)
358 ALL-y += $(obj)u-boot-dtb-tegra.bin
360 ALL-y += $(obj)u-boot-nodtb-tegra.bin
365 build := -f $(TOPDIR)/scripts/Makefile.build -C
367 all: $(ALL-y) $(SUBDIR_EXAMPLES-y)
369 $(obj)u-boot.dtb: checkdtc $(obj)u-boot
370 $(MAKE) $(build) dts binary
371 mv $(obj)dts/dt.dtb $@
373 $(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb
376 $(obj)u-boot.hex: $(obj)u-boot
377 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
379 $(obj)u-boot.srec: $(obj)u-boot
380 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
382 $(obj)u-boot.bin: $(obj)u-boot
383 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
384 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
387 $(obj)u-boot.ldr: $(obj)u-boot
389 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
392 $(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
393 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
395 $(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
396 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
399 # U-Boot entry point, needed for booting of full-blown U-Boot
400 # from the SPL U-Boot version.
402 ifndef CONFIG_SYS_UBOOT_START
403 CONFIG_SYS_UBOOT_START := 0
406 $(obj)u-boot.img: $(obj)u-boot.bin
407 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
408 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
409 -e $(CONFIG_SYS_UBOOT_START) \
410 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
411 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
414 $(obj)u-boot.imx: $(obj)u-boot.bin depend
415 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
417 $(obj)u-boot.kwb: $(obj)u-boot.bin
418 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
419 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
421 $(obj)u-boot.pbl: $(obj)u-boot.bin
422 $(obj)tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \
423 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \
426 $(obj)u-boot.sha1: $(obj)u-boot.bin
427 $(obj)tools/ubsha1 $(obj)u-boot.bin
429 $(obj)u-boot.dis: $(obj)u-boot
430 $(OBJDUMP) -d $< > $@
432 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
435 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
437 cat $(obj)$(3) $(2) > $@; \
441 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
443 SPL_PAYLOAD := $(obj)u-boot.bin
446 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
447 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
449 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
450 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
452 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
453 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
454 $(OBJTREE)/u-boot-with-spl.imx
456 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
457 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
458 $(OBJTREE)/u-boot-with-nand-spl.imx
460 $(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin
461 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
462 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
464 $(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
465 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
467 -e $(CONFIG_SPL_TEXT_BASE) \
468 -d $(obj)spl/u-boot-spl.bin \
469 $(obj)spl/u-boot-spl.ais
470 $(OBJCOPY) ${OBJCFLAGS} -I binary \
471 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
472 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
473 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
477 $(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
478 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
480 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
481 # Both images are created using mkimage (crc etc), so that the ROM
482 # bootloader can check its integrity. Padding needs to be done to the
483 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
484 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
485 # The resulting image containing both U-Boot images is called u-boot.spr
486 $(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
487 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
488 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
489 -d $(obj)spl/u-boot-spl.bin $@
490 $(OBJCOPY) -I binary -O binary \
491 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@
492 cat $(obj)u-boot.img >> $@
494 ifneq ($(CONFIG_TEGRA),)
495 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
496 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
497 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
498 rm $(obj)spl/u-boot-spl-pad.bin
500 ifeq ($(CONFIG_OF_SEPARATE),y)
501 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
502 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
506 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
507 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
509 # PPC4xx needs the SPL at the end of the image, since the reset vector
510 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
511 # and need to introduce a new build target with the full blown U-Boot
512 # at the start padded up to the start of the SPL image. And then concat
513 # the SPL image to the end.
514 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
515 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \
516 --gap-fill=0xff $(obj)u-boot.img $@
517 cat $(obj)spl/u-boot-spl.bin >> $@
519 # Create a new ELF from a raw binary file. This is useful for arm64
520 # where static relocation needs to be performed on the raw binary,
521 # but certain simulators only accept an ELF file (but don't do the
523 # FIXME refactor dts/Makefile to share target/arch detection
524 $(obj)u-boot.elf: $(obj)u-boot.bin
525 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \
526 $< $(obj)u-boot-elf.o
527 @$(LD) $(obj)u-boot-elf.o -o $@ \
528 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
529 -Ttext=$(CONFIG_SYS_TEXT_BASE)
531 ifeq ($(CONFIG_SANDBOX),y)
533 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
534 -Wl,--start-group $(__LIBS) -Wl,--end-group \
535 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
538 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
540 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
541 -Map u-boot.map -o u-boot
544 $(obj)u-boot: depend \
545 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds
547 ifeq ($(CONFIG_KALLSYMS),y)
548 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
549 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
550 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
551 -c common/system_map.c -o $(obj)common/system_map.o
552 $(GEN_UBOOT) $(obj)common/system_map.o
558 $(LIBS): depend $(SUBDIR_TOOLS)
559 $(MAKE) $(build) $(dir $(subst $(obj),,$@))
564 $(SUBDIR_EXAMPLES-y): $(obj)u-boot
566 $(obj)u-boot.lds: $(LDSCRIPT) depend
567 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
569 nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
570 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
572 $(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
573 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
575 $(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
578 $(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend
579 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
581 # Explicitly make _depend in subdirs containing multiple targets to prevent
582 # parallel sub-makes creating .depend files simultaneously.
583 depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
584 $(obj)include/spl-autoconf.mk \
585 $(obj)include/tpl-autoconf.mk \
586 $(obj)include/autoconf.mk \
587 $(obj)include/generated/generic-asm-offsets.h \
588 $(obj)include/generated/asm-offsets.h
590 TAG_SUBDIRS = $(SUBDIRS)
591 TAG_SUBDIRS += $(dir $(__LIBS))
592 TAG_SUBDIRS += include
598 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
599 `$(FIND) $(obj) -name u-boot-spl -print` | \
600 perl $(src)scripts/checkstack.pl $(ARCH)
603 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
604 -name '*.[chS]' -print`
607 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
608 -name '*.[chS]' -print`
610 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
616 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
618 $(obj)System.map: $(obj)u-boot
619 @$(call SYSTEM_MAP,$<) > $@
622 @if test $(call cc-version) -lt 0404; then \
623 echo -n '*** Your GCC does not produce working '; \
624 echo 'binaries in THUMB mode.'; \
625 echo '*** Your board is configured for THUMB mode.'; \
629 # GCC 3.x is reported to have problems generating the type of relocation
631 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
633 @if test $(call cc-version) -lt 0400; then \
634 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
639 @if test $(call dtc-version) -lt 0104; then \
640 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
645 # Auto-generate the autoconf.mk file (which is included by all makefiles)
647 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
648 # the dep file is only include in this top level makefile to determine when
649 # to regenerate the autoconf.mk file.
650 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
651 @$(XECHO) Generating $@ ; \
652 : Generate the dependancies ; \
653 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
654 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \
657 $(obj)include/autoconf.mk: $(obj)include/config.h
658 @$(XECHO) Generating $@ ; \
659 : Extract the config macros ; \
660 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
661 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
664 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
665 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
666 @$(XECHO) Generating $@ ; \
667 : Extract the config macros ; \
668 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\
669 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
670 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
673 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
674 @$(XECHO) Generating $@ ; \
675 : Extract the config macros ; \
676 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
677 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
680 $(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s
681 @$(XECHO) Generating $@
682 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
684 $(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c
686 $(CC) -DDO_DEPS_ONLY \
687 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
688 -o $@ $(src)lib/asm-offsets.c -c -S
690 $(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
691 @$(XECHO) Generating $@
692 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
694 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h
695 @mkdir -p $(obj)$(CPUDIR)/$(SOC)
696 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
697 $(CC) -DDO_DEPS_ONLY \
698 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
699 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
704 #########################################################################
706 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
707 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
708 $(filter-out tools,$(SUBDIRS)) \
709 depend dep tags ctags etags cscope $(obj)System.map:
710 @echo "System not configured - see README" >&2
713 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
717 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
718 # R_AARCH64_RELATIVE (64-bit).
719 checkarmreloc: $(obj)u-boot
720 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
721 grep R_A | sort -u`"; \
722 if test "$$RELOC" != "R_ARM_RELATIVE" -a \
723 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
724 echo "$< contains unexpected relocations: $$RELOC"; \
729 @mkdir -p $(dir $(VERSION_FILE))
730 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
731 printf '#define PLAIN_VERSION "%s%s"\n' \
732 "$(U_BOOT_VERSION)" "$${localvers}" ; \
733 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
734 "$(U_BOOT_VERSION)" "$${localvers}" ; \
736 @( printf '#define CC_VERSION_STRING "%s"\n' \
737 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
738 @( printf '#define LD_VERSION_STRING "%s"\n' \
739 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
740 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
743 @mkdir -p $(dir $(TIMESTAMP_FILE))
744 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
745 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
746 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
749 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
752 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
753 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
755 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
756 $(MAKE) -C tools HOST_TOOLS_ALL=y
760 git log --no-merges U-Boot-1_1_5.. | \
761 unexpand -a | sed -e 's/\s\s*$$//' > $@
763 include/license.h: tools/bin2header COPYING
764 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
765 #########################################################################
768 @rm -f $(obj)include/config.h $(obj)include/config.mk \
769 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
770 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
771 $(obj)include/spl-autoconf.mk \
772 $(obj)include/tpl-autoconf.mk
775 @$(MKCONFIG) -A $(@:_config=)
777 sinclude $(obj).boards.depend
778 $(obj).boards.depend: boards.cfg
779 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
781 #########################################################################
782 #########################################################################
785 @rm -f $(obj)examples/standalone/atmel_df_pow2 \
786 $(obj)examples/standalone/hello_world \
787 $(obj)examples/standalone/interrupt \
788 $(obj)examples/standalone/mem_to_mem_idma2intr \
789 $(obj)examples/standalone/sched \
790 $(obj)examples/standalone/smc911{11,x}_eeprom \
791 $(obj)examples/standalone/test_burst \
792 $(obj)examples/standalone/timer
793 @rm -f $(obj)examples/api/demo{,.bin}
794 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
795 $(obj)tools/env/fw_printenv \
797 $(obj)tools/gdb/{gdbcont,gdbsend} \
798 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \
799 $(obj)tools/dump{env,}image \
800 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \
801 $(obj)tools/mk{$(BOARD),}spl \
802 $(obj)tools/mxsboot \
803 $(obj)tools/ncb $(obj)tools/ubsha1 \
804 $(obj)tools/kernel-doc/docproc \
806 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \
807 $(obj)board/matrix_vision/*/bootscript.img \
809 $(obj)arch/blackfin/cpu/init.{lds,elf}
810 @rm -f $(obj)include/bmp_logo.h
811 @rm -f $(obj)include/bmp_logo_data.h
812 @rm -f $(obj)lib/asm-offsets.s
813 @rm -f $(obj)include/generated/asm-offsets.h
814 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
815 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
816 @$(MAKE) -s -C doc/DocBook/ cleandocs
817 @find $(OBJTREE) -type f \
818 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
819 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \
820 -o -name '*.cfgtmp' \) -print \
823 # Removes everything not needed for testing u-boot
825 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
828 @find $(OBJTREE) -type f \( -name '*.srec' \
829 -o -name '*.bin' -o -name u-boot.img \) \
830 -print0 | xargs -0 rm -f
831 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
832 $(obj)cscope.* $(obj)*.*~
833 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
834 @rm -f $(obj)u-boot.kwb
835 @rm -f $(obj)u-boot.pbl
836 @rm -f $(obj)u-boot.imx
837 @rm -f $(obj)u-boot-with-spl.imx
838 @rm -f $(obj)u-boot-with-nand-spl.imx
839 @rm -f $(obj)u-boot.ubl
840 @rm -f $(obj)u-boot.ais
841 @rm -f $(obj)u-boot.dtb
842 @rm -f $(obj)u-boot.sb
843 @rm -f $(obj)u-boot.spr
844 @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
845 @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
846 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
847 @rm -f $(obj)spl/u-boot-spl.lds
848 @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
849 @rm -f $(obj)tpl/u-boot-spl.lds
850 @rm -f $(obj)MLO MLO.byteswap
852 @rm -f $(obj)tools/xway-swap-bytes
853 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
854 @rm -fr $(obj)include/generated
855 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
856 @rm -f $(obj)dts/*.tmp
857 @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
860 distclean: clobber unconfig
861 ifneq ($(OBJTREE),$(SRCTREE))
866 F=`basename $(TOPDIR)` ; cd .. ; \
867 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
869 #########################################################################