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
105 srctree := $(SRCTREE)
108 export TOPDIR SRCTREE srctree OBJTREE SPLTREE TPLTREE
110 MKCONFIG := $(SRCTREE)/mkconfig
113 # $(obj) and (src) are defined in config.mk but here in main Makefile
114 # we also need them before config.mk is included which is the case for
115 # some targets like unconfig, clean, clobber, distclean, etc.
116 ifneq ($(OBJTREE),$(SRCTREE))
125 # Make sure CDPATH settings don't interfere
128 #########################################################################
130 # The "tools" are needed early, so put this first
131 # Don't include stuff already done in $(LIBS)
132 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
133 # is "yes"), so compile examples after U-Boot is compiled.
135 SUBDIRS = $(SUBDIR_TOOLS)
137 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
139 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
141 # Include autoconf.mk before config.mk so that the config options are available
142 # to all top level build files. We need the dummy all: target to prevent the
143 # dependency target in autoconf.mk.dep from being the default.
145 sinclude $(obj)include/autoconf.mk.dep
146 sinclude $(obj)include/autoconf.mk
148 SUBDIR_EXAMPLES-y := examples/standalone
149 SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api
150 ifndef CONFIG_SANDBOX
151 SUBDIRS += $(SUBDIR_EXAMPLES-y)
154 # load ARCH, BOARD, and CPU configuration
155 include $(obj)include/config.mk
156 export ARCH CPU BOARD VENDOR SOC
158 # set default to nothing for native builds
159 ifeq ($(HOSTARCH),$(ARCH))
163 # SHELL used by kbuild
164 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
165 else if [ -x /bin/bash ]; then echo /bin/bash; \
166 else echo sh; fi ; fi)
169 HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
171 ifeq ($(HOSTOS),cygwin)
175 # Mac OS X / Darwin's C preprocessor is Apple specific. It
176 # generates numerous errors and warnings. We want to bypass it
177 # and use GNU C's cpp. To do this we pass the -traditional-cpp
178 # option to the compiler. Note that the -traditional-cpp flag
179 # DOES NOT have the same semantics as GNU C's flag, all it does
180 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
182 # Apple's linker is similar, thanks to the new 2 stage linking
183 # multiple symbol definitions are treated as errors, hence the
184 # -multiply_defined suppress option to turn off this error.
186 ifeq ($(HOSTOS),darwin)
187 # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
188 DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
189 DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
191 os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
192 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
194 # Snow Leopards build environment has no longer restrictions as described above
195 HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
196 HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
197 HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
200 # We need some generic definitions (do not try to remake the file).
201 $(srctree)/scripts/Kbuild.include: ;
202 include $(srctree)/scripts/Kbuild.include
204 # Make variables (CC, etc...)
206 AS = $(CROSS_COMPILE)as
208 ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),)
209 LD = $(CROSS_COMPILE)ld.bfd
211 LD = $(CROSS_COMPILE)ld
213 CC = $(CROSS_COMPILE)gcc
215 AR = $(CROSS_COMPILE)ar
216 NM = $(CROSS_COMPILE)nm
217 LDR = $(CROSS_COMPILE)ldr
218 STRIP = $(CROSS_COMPILE)strip
219 OBJCOPY = $(CROSS_COMPILE)objcopy
220 OBJDUMP = $(CROSS_COMPILE)objdump
222 RANLIB = $(CROSS_COMPILE)RANLIB
226 CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
227 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
229 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
230 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
232 export DTC CHECK CHECKFLAGS
234 # load other configuration
235 include $(TOPDIR)/config.mk
237 # Targets which don't build the source code
238 NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig
240 # Only do the generic board check when actually building, not configuring
241 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
242 ifeq ($(findstring _config,$(MAKECMDGOALS)),)
243 $(CHECK_GENERIC_BOARD)
247 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
248 # that (or fail if absent). Otherwise, search for a linker script in a
251 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
254 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
255 ifdef CONFIG_SYS_LDSCRIPT
256 # need to strip off double quotes
257 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%)
261 # If there is no specified link script, we look in a number of places for it
263 ifeq ($(CONFIG_NAND_U_BOOT),y)
264 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
265 ifeq ($(wildcard $(LDSCRIPT)),)
266 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
269 ifeq ($(wildcard $(LDSCRIPT)),)
270 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
272 ifeq ($(wildcard $(LDSCRIPT)),)
273 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
275 ifeq ($(wildcard $(LDSCRIPT)),)
276 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
277 # We don't expect a Makefile here
278 LDSCRIPT_MAKEFILE_DIR =
280 ifeq ($(wildcard $(LDSCRIPT)),)
281 $(error could not find linker script)
285 #########################################################################
286 # U-Boot objects....order is important (i.e. start must be first)
288 head-y := $(CPUDIR)/start.o
289 head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o
290 head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o
292 OBJS := $(addprefix $(obj),$(head-y))
294 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
297 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
300 LIBS-y += $(CPUDIR)/$(SOC)/
302 LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
303 LIBS-$(CONFIG_OF_EMBED) += dts/
304 LIBS-y += arch/$(ARCH)/lib/
309 LIBS-y += drivers/dma/
310 LIBS-y += drivers/gpio/
311 LIBS-y += drivers/i2c/
312 LIBS-y += drivers/input/
313 LIBS-y += drivers/mmc/
314 LIBS-y += drivers/mtd/
315 LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
316 LIBS-y += drivers/mtd/onenand/
317 LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
318 LIBS-y += drivers/mtd/spi/
319 LIBS-y += drivers/net/
320 LIBS-y += drivers/net/phy/
321 LIBS-y += drivers/pci/
322 LIBS-y += drivers/power/ \
323 drivers/power/fuel_gauge/ \
325 drivers/power/pmic/ \
326 drivers/power/battery/
327 LIBS-y += drivers/spi/
328 LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
329 LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
330 LIBS-y += drivers/serial/
331 LIBS-y += drivers/usb/eth/
332 LIBS-y += drivers/usb/gadget/
333 LIBS-y += drivers/usb/host/
334 LIBS-y += drivers/usb/musb/
335 LIBS-y += drivers/usb/musb-new/
336 LIBS-y += drivers/usb/phy/
337 LIBS-y += drivers/usb/ulpi/
339 LIBS-y += lib/libfdt/
340 LIBS-$(CONFIG_API) += api/
341 LIBS-$(CONFIG_HAS_POST) += post/
344 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
345 LIBS-y += arch/$(ARCH)/imx-common/
348 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
349 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
351 LIBS-y += board/$(BOARDDIR)/
353 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
354 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
358 ifdef USE_PRIVATE_LIBGCC
359 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
360 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
362 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
365 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
367 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
370 # Special flags for CPP when processing the linker script.
371 # Pass the version down so we can handle backwards compatibility
374 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
376 $(shell $(LD) --version | \
377 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
379 __OBJS := $(subst $(obj),,$(OBJS))
380 __LIBS := $(subst $(obj),,$(LIBS))
382 #########################################################################
383 #########################################################################
385 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
387 @actual=`wc -c $@ | awk '{print $$1}'`; \
388 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
389 if test $$actual -gt $$limit; then \
390 echo "$@ exceeds file size limit:" >&2 ; \
391 echo " limit: $$limit bytes" >&2 ; \
392 echo " actual: $$actual bytes" >&2 ; \
393 echo " excess: $$((actual - limit)) bytes" >&2; \
400 # Statically apply RELA-style relocations (currently arm64 only)
401 ifneq ($(CONFIG_STATIC_RELA),)
402 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
404 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \
405 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \
406 $(obj)tools/relocate-rela $(2) $(3) $$start $$end
411 # Always append ALL so that arch config.mk's can add custom ones
412 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
414 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
415 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
416 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
417 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
418 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
419 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
420 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
421 ifneq ($(CONFIG_SPL_TARGET),)
422 ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%)
424 ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf
426 # enable combined SPL/u-boot/dtb rules for tegra
427 ifneq ($(CONFIG_TEGRA),)
428 ifeq ($(CONFIG_SPL),y)
429 ifeq ($(CONFIG_OF_SEPARATE),y)
430 ALL-y += $(obj)u-boot-dtb-tegra.bin
432 ALL-y += $(obj)u-boot-nodtb-tegra.bin
437 all: $(ALL-y) $(SUBDIR_EXAMPLES-y)
439 $(obj)u-boot.dtb: checkdtc $(obj)u-boot
440 $(MAKE) $(build) dts binary
441 mv $(obj)dts/dt.dtb $@
443 $(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb
446 $(obj)u-boot.hex: $(obj)u-boot
447 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
449 $(obj)u-boot.srec: $(obj)u-boot
450 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
452 $(obj)u-boot.bin: $(obj)u-boot
453 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
454 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
457 $(obj)u-boot.ldr: $(obj)u-boot
459 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
462 $(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
463 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
465 $(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
466 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
469 # U-Boot entry point, needed for booting of full-blown U-Boot
470 # from the SPL U-Boot version.
472 ifndef CONFIG_SYS_UBOOT_START
473 CONFIG_SYS_UBOOT_START := 0
476 $(obj)u-boot.img: $(obj)u-boot.bin
477 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
478 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
479 -e $(CONFIG_SYS_UBOOT_START) \
480 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
481 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
484 $(obj)u-boot.imx: $(obj)u-boot.bin depend
485 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
487 $(obj)u-boot.kwb: $(obj)u-boot.bin
488 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
489 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
491 $(obj)u-boot.pbl: $(obj)u-boot.bin
492 $(obj)tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \
493 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \
496 $(obj)u-boot.sha1: $(obj)u-boot.bin
497 $(obj)tools/ubsha1 $(obj)u-boot.bin
499 $(obj)u-boot.dis: $(obj)u-boot
500 $(OBJDUMP) -d $< > $@
502 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
505 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
507 cat $(obj)$(3) $(2) > $@; \
511 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
513 SPL_PAYLOAD := $(obj)u-boot.bin
516 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
517 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
519 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
520 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
522 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
523 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
524 $(OBJTREE)/u-boot-with-spl.imx
526 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
527 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
528 $(OBJTREE)/u-boot-with-nand-spl.imx
530 $(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin
531 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
532 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
534 $(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
535 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
537 -e $(CONFIG_SPL_TEXT_BASE) \
538 -d $(obj)spl/u-boot-spl.bin \
539 $(obj)spl/u-boot-spl.ais
540 $(OBJCOPY) ${OBJCFLAGS} -I binary \
541 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
542 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
543 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
547 $(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
548 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
550 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
551 # Both images are created using mkimage (crc etc), so that the ROM
552 # bootloader can check its integrity. Padding needs to be done to the
553 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
554 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
555 # The resulting image containing both U-Boot images is called u-boot.spr
556 $(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
557 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
558 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
559 -d $(obj)spl/u-boot-spl.bin $@
560 $(OBJCOPY) -I binary -O binary \
561 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@
562 cat $(obj)u-boot.img >> $@
564 ifneq ($(CONFIG_TEGRA),)
565 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
566 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
567 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
568 rm $(obj)spl/u-boot-spl-pad.bin
570 ifeq ($(CONFIG_OF_SEPARATE),y)
571 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
572 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
576 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
577 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
579 # PPC4xx needs the SPL at the end of the image, since the reset vector
580 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
581 # and need to introduce a new build target with the full blown U-Boot
582 # at the start padded up to the start of the SPL image. And then concat
583 # the SPL image to the end.
584 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
585 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \
586 --gap-fill=0xff $(obj)u-boot.img $@
587 cat $(obj)spl/u-boot-spl.bin >> $@
589 # Create a new ELF from a raw binary file. This is useful for arm64
590 # where static relocation needs to be performed on the raw binary,
591 # but certain simulators only accept an ELF file (but don't do the
593 # FIXME refactor dts/Makefile to share target/arch detection
594 $(obj)u-boot.elf: $(obj)u-boot.bin
595 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \
596 $< $(obj)u-boot-elf.o
597 @$(LD) $(obj)u-boot-elf.o -o $@ \
598 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
599 -Ttext=$(CONFIG_SYS_TEXT_BASE)
601 ifeq ($(CONFIG_SANDBOX),y)
603 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
604 -Wl,--start-group $(__LIBS) -Wl,--end-group \
605 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
608 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
610 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
611 -Map u-boot.map -o u-boot
614 $(obj)u-boot: depend \
615 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds
617 ifeq ($(CONFIG_KALLSYMS),y)
618 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
619 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
620 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
621 -c common/system_map.c -o $(obj)common/system_map.o
622 $(GEN_UBOOT) $(obj)common/system_map.o
628 $(LIBS): depend $(SUBDIR_TOOLS)
629 $(MAKE) $(build) $(dir $(subst $(obj),,$@))
632 $(MAKE) $(build) $@ all
634 $(SUBDIR_EXAMPLES-y): $(obj)u-boot
636 $(obj)u-boot.lds: $(LDSCRIPT) depend
637 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
639 nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
640 $(MAKE) $(build) nand_spl/board/$(BOARDDIR) all
642 $(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
643 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
645 $(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
648 $(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend
649 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
651 # Explicitly make _depend in subdirs containing multiple targets to prevent
652 # parallel sub-makes creating .depend files simultaneously.
653 depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
654 $(obj)include/spl-autoconf.mk \
655 $(obj)include/tpl-autoconf.mk \
656 $(obj)include/autoconf.mk \
657 $(obj)include/generated/generic-asm-offsets.h \
658 $(obj)include/generated/asm-offsets.h
660 TAG_SUBDIRS = $(SUBDIRS)
661 TAG_SUBDIRS += $(dir $(__LIBS))
662 TAG_SUBDIRS += include
668 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
669 `$(FIND) $(obj) -name u-boot-spl -print` | \
670 perl $(src)scripts/checkstack.pl $(ARCH)
673 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
674 -name '*.[chS]' -print`
677 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
678 -name '*.[chS]' -print`
680 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
686 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
688 $(obj)System.map: $(obj)u-boot
689 @$(call SYSTEM_MAP,$<) > $@
692 @if test $(call cc-version) -lt 0404; then \
693 echo -n '*** Your GCC does not produce working '; \
694 echo 'binaries in THUMB mode.'; \
695 echo '*** Your board is configured for THUMB mode.'; \
699 # GCC 3.x is reported to have problems generating the type of relocation
701 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
703 @if test $(call cc-version) -lt 0400; then \
704 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
709 @if test $(call dtc-version) -lt 0104; then \
710 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
715 # Auto-generate the autoconf.mk file (which is included by all makefiles)
717 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
718 # the dep file is only include in this top level makefile to determine when
719 # to regenerate the autoconf.mk file.
720 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
721 @$(XECHO) Generating $@ ; \
722 : Generate the dependancies ; \
723 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
724 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \
727 $(obj)include/autoconf.mk: $(obj)include/config.h
728 @$(XECHO) Generating $@ ; \
729 : Extract the config macros ; \
730 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
731 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
734 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
735 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
736 @$(XECHO) Generating $@ ; \
737 : Extract the config macros ; \
738 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\
739 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
740 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
743 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
744 @$(XECHO) Generating $@ ; \
745 : Extract the config macros ; \
746 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
747 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
750 $(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s
751 @$(XECHO) Generating $@
752 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
754 $(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c
756 $(CC) -DDO_DEPS_ONLY \
757 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
758 -o $@ $(src)lib/asm-offsets.c -c -S
760 $(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
761 @$(XECHO) Generating $@
762 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
764 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h
765 @mkdir -p $(obj)$(CPUDIR)/$(SOC)
766 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
767 $(CC) -DDO_DEPS_ONLY \
768 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
769 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
774 #########################################################################
776 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
777 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
778 $(filter-out tools,$(SUBDIRS)) \
779 depend dep tags ctags etags cscope $(obj)System.map:
780 @echo "System not configured - see README" >&2
783 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
784 $(MAKE) $(build) $@ all
787 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
788 # R_AARCH64_RELATIVE (64-bit).
789 checkarmreloc: $(obj)u-boot
790 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
791 grep R_A | sort -u`"; \
792 if test "$$RELOC" != "R_ARM_RELATIVE" -a \
793 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
794 echo "$< contains unexpected relocations: $$RELOC"; \
799 @mkdir -p $(dir $(VERSION_FILE))
800 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
801 printf '#define PLAIN_VERSION "%s%s"\n' \
802 "$(U_BOOT_VERSION)" "$${localvers}" ; \
803 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
804 "$(U_BOOT_VERSION)" "$${localvers}" ; \
806 @( printf '#define CC_VERSION_STRING "%s"\n' \
807 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
808 @( printf '#define LD_VERSION_STRING "%s"\n' \
809 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
810 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
813 @mkdir -p $(dir $(TIMESTAMP_FILE))
814 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
815 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
816 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
819 $(MAKE) $(build) tools/$@ MTD_VERSION=${MTD_VERSION}
823 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
824 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
826 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
827 $(MAKE) $(build) tools HOST_TOOLS_ALL=y
831 git log --no-merges U-Boot-1_1_5.. | \
832 unexpand -a | sed -e 's/\s\s*$$//' > $@
834 include/license.h: tools/bin2header COPYING
835 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
836 #########################################################################
839 @rm -f $(obj)include/config.h $(obj)include/config.mk \
840 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
841 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
842 $(obj)include/spl-autoconf.mk \
843 $(obj)include/tpl-autoconf.mk
846 @$(MKCONFIG) -A $(@:_config=)
848 sinclude $(obj).boards.depend
849 $(obj).boards.depend: boards.cfg
850 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
852 #########################################################################
853 #########################################################################
856 @rm -f $(obj)examples/standalone/atmel_df_pow2 \
857 $(obj)examples/standalone/hello_world \
858 $(obj)examples/standalone/interrupt \
859 $(obj)examples/standalone/mem_to_mem_idma2intr \
860 $(obj)examples/standalone/sched \
861 $(addprefix $(obj)examples/standalone/, smc91111_eeprom smc911x_eeprom) \
862 $(obj)examples/standalone/test_burst \
863 $(obj)examples/standalone/timer
864 @rm -f $(addprefix $(obj)examples/api/, demo demo.bin)
865 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
866 $(obj)tools/env/fw_printenv \
868 $(addprefix $(obj)tools/gdb/, gdbcont gdbsend) \
869 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \
870 $(obj)tools/dumpimage \
871 $(addprefix $(obj)tools/, mkenvimage mkimage) \
872 $(obj)tools/mpc86x_clk \
873 $(addprefix $(obj)tools/, mk$(BOARD)spl mkexynosspl) \
874 $(obj)tools/mxsboot \
875 $(obj)tools/ncb $(obj)tools/ubsha1 \
876 $(obj)tools/kernel-doc/docproc \
878 @rm -f $(addprefix $(obj)board/cray/L1/, bootscript.c bootscript.image) \
879 $(obj)board/matrix_vision/*/bootscript.img \
880 $(obj)spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \
882 $(addprefix $(obj)arch/blackfin/cpu/, init.lds init.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.spr
917 @rm -f $(addprefix $(obj)nand_spl/, u-boot.lds u-boot.lst System.map)
918 @rm -f $(addprefix $(obj)nand_spl/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map)
919 @rm -f $(addprefix $(obj)spl/, u-boot-spl u-boot-spl.bin u-boot-spl.map)
920 @rm -f $(obj)spl/u-boot-spl.lds
921 @rm -f $(addprefix $(obj)tpl/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map)
922 @rm -f $(obj)tpl/u-boot-spl.lds
923 @rm -f $(obj)MLO MLO.byteswap
925 @rm -f $(obj)tools/xway-swap-bytes
926 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
927 @rm -fr $(obj)include/generated
928 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
929 @rm -f $(obj)dts/*.tmp
930 @rm -f $(addprefix $(obj)spl/, u-boot-spl.ais, u-boot-spl-pad.ais)
933 distclean: clobber unconfig
934 ifneq ($(OBJTREE),$(SRCTREE))
939 F=`basename $(TOPDIR)` ; cd .. ; \
940 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
942 #########################################################################