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__ $(CF)
229 # Use UBOOTINCLUDE when you must reference the include/ directory.
230 # Needed to be compatible with the O= option
232 ifneq ($(OBJTREE),$(SRCTREE))
233 UBOOTINCLUDE += -I$(OBJTREE)/include
235 UBOOTINCLUDE += -I$(srctree)/include \
236 -I$(srctree)/arch/$(ARCH)/include
238 KBUILD_CPPFLAGS := -D__KERNEL__
240 KBUILD_CFLAGS := -Wall -Wstrict-prototypes \
241 -Wno-format-security \
242 -fno-builtin -ffreestanding
243 KBUILD_AFLAGS := -D__ASSEMBLY__
245 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
246 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
248 export DTC CHECK CHECKFLAGS
250 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE
251 export KBUILD_CFLAGS KBUILD_AFLAGS
253 KBUILD_CFLAGS += -Os #-fomit-frame-pointer
256 KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
259 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
262 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
263 # option to the assembler.
266 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
267 CHECKFLAGS += $(NOSTDINC_FLAGS)
269 # Report stack usage if supported
270 KBUILD_CFLAGS += $(call cc-option,-fstack-usage)
272 KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
274 # turn jbsr into jsr for m68k
276 ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
277 KBUILD_AFLAGS += -Wa,-gstabs,-S
281 # load other configuration
282 include $(TOPDIR)/config.mk
284 ifneq ($(CONFIG_SYS_TEXT_BASE),)
285 KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
288 export CONFIG_SYS_TEXT_BASE
290 LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL)
291 ifneq ($(CONFIG_SYS_TEXT_BASE),)
292 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
295 # Targets which don't build the source code
296 NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig %_config
298 # Only do the generic board check when actually building, not configuring
299 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
300 ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
301 ifneq ($(CONFIG_SYS_GENERIC_BOARD),)
302 CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \
303 Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
308 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
309 # that (or fail if absent). Otherwise, search for a linker script in a
312 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
315 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
316 ifdef CONFIG_SYS_LDSCRIPT
317 # need to strip off double quotes
318 LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%)
322 # If there is no specified link script, we look in a number of places for it
324 ifeq ($(CONFIG_NAND_U_BOOT),y)
325 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
326 ifeq ($(wildcard $(LDSCRIPT)),)
327 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
330 ifeq ($(wildcard $(LDSCRIPT)),)
331 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
333 ifeq ($(wildcard $(LDSCRIPT)),)
334 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
336 ifeq ($(wildcard $(LDSCRIPT)),)
337 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
338 # We don't expect a Makefile here
339 LDSCRIPT_MAKEFILE_DIR =
341 ifeq ($(wildcard $(LDSCRIPT)),)
342 $(error could not find linker script)
346 #########################################################################
347 # U-Boot objects....order is important (i.e. start must be first)
349 head-y := $(CPUDIR)/start.o
350 head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o
351 head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o
353 OBJS := $(addprefix $(obj),$(head-y))
355 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
358 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
361 LIBS-y += $(CPUDIR)/$(SOC)/
363 LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
364 LIBS-$(CONFIG_OF_EMBED) += dts/
365 LIBS-y += arch/$(ARCH)/lib/
370 LIBS-y += drivers/dma/
371 LIBS-y += drivers/gpio/
372 LIBS-y += drivers/i2c/
373 LIBS-y += drivers/input/
374 LIBS-y += drivers/mmc/
375 LIBS-y += drivers/mtd/
376 LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
377 LIBS-y += drivers/mtd/onenand/
378 LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
379 LIBS-y += drivers/mtd/spi/
380 LIBS-y += drivers/net/
381 LIBS-y += drivers/net/phy/
382 LIBS-y += drivers/pci/
383 LIBS-y += drivers/power/ \
384 drivers/power/fuel_gauge/ \
386 drivers/power/pmic/ \
387 drivers/power/battery/
388 LIBS-y += drivers/spi/
389 LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
390 LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
391 LIBS-y += drivers/serial/
392 LIBS-y += drivers/usb/eth/
393 LIBS-y += drivers/usb/gadget/
394 LIBS-y += drivers/usb/host/
395 LIBS-y += drivers/usb/musb/
396 LIBS-y += drivers/usb/musb-new/
397 LIBS-y += drivers/usb/phy/
398 LIBS-y += drivers/usb/ulpi/
400 LIBS-y += lib/libfdt/
401 LIBS-$(CONFIG_API) += api/
402 LIBS-$(CONFIG_HAS_POST) += post/
405 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
406 LIBS-y += arch/$(ARCH)/imx-common/
409 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
410 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
412 LIBS-y += board/$(BOARDDIR)/
414 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
415 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
419 ifdef USE_PRIVATE_LIBGCC
420 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
421 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
423 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
426 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
428 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
431 # Special flags for CPP when processing the linker script.
432 # Pass the version down so we can handle backwards compatibility
435 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
437 $(shell $(LD) --version | \
438 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
440 __OBJS := $(subst $(obj),,$(OBJS))
441 __LIBS := $(subst $(obj),,$(LIBS))
443 #########################################################################
444 #########################################################################
446 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
448 @actual=`wc -c $@ | awk '{print $$1}'`; \
449 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
450 if test $$actual -gt $$limit; then \
451 echo "$@ exceeds file size limit:" >&2 ; \
452 echo " limit: $$limit bytes" >&2 ; \
453 echo " actual: $$actual bytes" >&2 ; \
454 echo " excess: $$((actual - limit)) bytes" >&2; \
461 # Statically apply RELA-style relocations (currently arm64 only)
462 ifneq ($(CONFIG_STATIC_RELA),)
463 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
465 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \
466 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \
467 $(obj)tools/relocate-rela $(2) $(3) $$start $$end
472 # Always append ALL so that arch config.mk's can add custom ones
473 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
475 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
476 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
477 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
478 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
479 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
480 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
481 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
482 ifneq ($(CONFIG_SPL_TARGET),)
483 ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%)
485 ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf
487 # enable combined SPL/u-boot/dtb rules for tegra
488 ifneq ($(CONFIG_TEGRA),)
489 ifeq ($(CONFIG_SPL),y)
490 ifeq ($(CONFIG_OF_SEPARATE),y)
491 ALL-y += $(obj)u-boot-dtb-tegra.bin
493 ALL-y += $(obj)u-boot-nodtb-tegra.bin
498 all: $(ALL-y) $(SUBDIR_EXAMPLES-y)
500 $(obj)u-boot.dtb: checkdtc $(obj)u-boot
501 $(MAKE) $(build) dts binary
502 mv $(obj)dts/dt.dtb $@
504 $(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb
507 $(obj)u-boot.hex: $(obj)u-boot
508 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
510 $(obj)u-boot.srec: $(obj)u-boot
511 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
513 $(obj)u-boot.bin: $(obj)u-boot
514 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
515 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
518 $(obj)u-boot.ldr: $(obj)u-boot
520 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
523 $(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
524 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
526 $(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
527 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
530 # U-Boot entry point, needed for booting of full-blown U-Boot
531 # from the SPL U-Boot version.
533 ifndef CONFIG_SYS_UBOOT_START
534 CONFIG_SYS_UBOOT_START := 0
537 $(obj)u-boot.img: $(obj)u-boot.bin
538 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
539 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
540 -e $(CONFIG_SYS_UBOOT_START) \
541 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
542 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
545 $(obj)u-boot.imx: $(obj)u-boot.bin depend
546 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
548 $(obj)u-boot.kwb: $(obj)u-boot.bin
549 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
550 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
552 $(obj)u-boot.pbl: $(obj)u-boot.bin
553 $(obj)tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \
554 -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \
557 $(obj)u-boot.sha1: $(obj)u-boot.bin
558 $(obj)tools/ubsha1 $(obj)u-boot.bin
560 $(obj)u-boot.dis: $(obj)u-boot
561 $(OBJDUMP) -d $< > $@
563 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
566 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
568 cat $(obj)$(3) $(2) > $@; \
572 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
574 SPL_PAYLOAD := $(obj)u-boot.bin
577 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
578 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
580 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
581 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
583 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
584 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
585 $(OBJTREE)/u-boot-with-spl.imx
587 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
588 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
589 $(OBJTREE)/u-boot-with-nand-spl.imx
591 $(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin
592 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
593 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
595 $(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
596 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
598 -e $(CONFIG_SPL_TEXT_BASE) \
599 -d $(obj)spl/u-boot-spl.bin \
600 $(obj)spl/u-boot-spl.ais
601 $(OBJCOPY) ${OBJCFLAGS} -I binary \
602 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
603 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
604 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
608 $(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
609 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
611 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
612 # Both images are created using mkimage (crc etc), so that the ROM
613 # bootloader can check its integrity. Padding needs to be done to the
614 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
615 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
616 # The resulting image containing both U-Boot images is called u-boot.spr
617 $(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
618 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
619 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
620 -d $(obj)spl/u-boot-spl.bin $@
621 $(OBJCOPY) -I binary -O binary \
622 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@
623 cat $(obj)u-boot.img >> $@
625 ifneq ($(CONFIG_TEGRA),)
626 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
627 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
628 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
629 rm $(obj)spl/u-boot-spl-pad.bin
631 ifeq ($(CONFIG_OF_SEPARATE),y)
632 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
633 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
637 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
638 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
640 # PPC4xx needs the SPL at the end of the image, since the reset vector
641 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
642 # and need to introduce a new build target with the full blown U-Boot
643 # at the start padded up to the start of the SPL image. And then concat
644 # the SPL image to the end.
645 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
646 $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \
647 --gap-fill=0xff $(obj)u-boot.img $@
648 cat $(obj)spl/u-boot-spl.bin >> $@
650 # Create a new ELF from a raw binary file. This is useful for arm64
651 # where static relocation needs to be performed on the raw binary,
652 # but certain simulators only accept an ELF file (but don't do the
654 # FIXME refactor dts/Makefile to share target/arch detection
655 $(obj)u-boot.elf: $(obj)u-boot.bin
656 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \
657 $< $(obj)u-boot-elf.o
658 @$(LD) $(obj)u-boot-elf.o -o $@ \
659 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
660 -Ttext=$(CONFIG_SYS_TEXT_BASE)
662 ifeq ($(CONFIG_SANDBOX),y)
664 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
665 -Wl,--start-group $(__LIBS) -Wl,--end-group \
666 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
669 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
671 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
672 -Map u-boot.map -o u-boot
675 $(obj)u-boot: depend \
676 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds
678 ifeq ($(CONFIG_KALLSYMS),y)
679 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
680 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
681 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
682 -c common/system_map.c -o $(obj)common/system_map.o
683 $(GEN_UBOOT) $(obj)common/system_map.o
689 $(LIBS): depend $(SUBDIR_TOOLS)
690 $(MAKE) $(build) $(dir $(subst $(obj),,$@))
693 $(MAKE) $(build) $@ all
695 $(SUBDIR_EXAMPLES-y): $(obj)u-boot
697 $(obj)u-boot.lds: $(LDSCRIPT) depend
698 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
700 nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
701 $(MAKE) $(build) nand_spl/board/$(BOARDDIR) all
703 $(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
704 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
706 $(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
709 $(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend
710 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
712 # Explicitly make _depend in subdirs containing multiple targets to prevent
713 # parallel sub-makes creating .depend files simultaneously.
714 depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
715 $(obj)include/spl-autoconf.mk \
716 $(obj)include/tpl-autoconf.mk \
717 $(obj)include/autoconf.mk \
718 $(obj)include/generated/generic-asm-offsets.h \
719 $(obj)include/generated/asm-offsets.h
721 TAG_SUBDIRS = $(SUBDIRS)
722 TAG_SUBDIRS += $(dir $(__LIBS))
723 TAG_SUBDIRS += include
729 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
730 `$(FIND) $(obj) -name u-boot-spl -print` | \
731 perl $(src)scripts/checkstack.pl $(ARCH)
734 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
735 -name '*.[chS]' -print`
738 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
739 -name '*.[chS]' -print`
741 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
747 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
749 $(obj)System.map: $(obj)u-boot
750 @$(call SYSTEM_MAP,$<) > $@
753 @if test $(call cc-version) -lt 0404; then \
754 echo -n '*** Your GCC does not produce working '; \
755 echo 'binaries in THUMB mode.'; \
756 echo '*** Your board is configured for THUMB mode.'; \
760 # GCC 3.x is reported to have problems generating the type of relocation
762 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
764 @if test $(call cc-version) -lt 0400; then \
765 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
770 @if test $(call dtc-version) -lt 0104; then \
771 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
776 # Auto-generate the autoconf.mk file (which is included by all makefiles)
778 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
779 # the dep file is only include in this top level makefile to determine when
780 # to regenerate the autoconf.mk file.
781 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
782 @$(XECHO) Generating $@ ; \
783 : Generate the dependancies ; \
784 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
785 -MQ $(obj)include/autoconf.mk include/common.h > $@ || \
788 $(obj)include/autoconf.mk: $(obj)include/config.h
789 @$(XECHO) Generating $@ ; \
790 : Extract the config macros ; \
791 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
792 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
795 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
796 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
797 @$(XECHO) Generating $@ ; \
798 : Extract the config macros ; \
799 $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\
800 -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
801 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
804 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
805 @$(XECHO) Generating $@ ; \
806 : Extract the config macros ; \
807 $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
808 sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
811 $(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s
812 @$(XECHO) Generating $@
813 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
815 $(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c
817 $(CC) -DDO_DEPS_ONLY \
818 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
819 -o $@ $(src)lib/asm-offsets.c -c -S
821 $(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
822 @$(XECHO) Generating $@
823 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
825 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h
826 @mkdir -p $(obj)$(CPUDIR)/$(SOC)
827 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
828 $(CC) -DDO_DEPS_ONLY \
829 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
830 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
835 #########################################################################
837 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
838 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
839 $(filter-out tools,$(SUBDIRS)) \
840 depend dep tags ctags etags cscope $(obj)System.map:
841 @echo "System not configured - see README" >&2
844 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
845 $(MAKE) $(build) $@ all
848 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
849 # R_AARCH64_RELATIVE (64-bit).
850 checkarmreloc: $(obj)u-boot
851 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
852 grep R_A | sort -u`"; \
853 if test "$$RELOC" != "R_ARM_RELATIVE" -a \
854 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
855 echo "$< contains unexpected relocations: $$RELOC"; \
860 @mkdir -p $(dir $(VERSION_FILE))
861 @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
862 printf '#define PLAIN_VERSION "%s%s"\n' \
863 "$(U_BOOT_VERSION)" "$${localvers}" ; \
864 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
865 "$(U_BOOT_VERSION)" "$${localvers}" ; \
867 @( printf '#define CC_VERSION_STRING "%s"\n' \
868 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
869 @( printf '#define LD_VERSION_STRING "%s"\n' \
870 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
871 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
874 @mkdir -p $(dir $(TIMESTAMP_FILE))
875 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
876 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
877 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
880 $(MAKE) $(build) tools/$@ MTD_VERSION=${MTD_VERSION}
884 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
885 $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
887 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
888 $(MAKE) $(build) tools HOST_TOOLS_ALL=y
892 git log --no-merges U-Boot-1_1_5.. | \
893 unexpand -a | sed -e 's/\s\s*$$//' > $@
895 include/license.h: tools/bin2header COPYING
896 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
897 #########################################################################
900 @rm -f $(obj)include/config.h $(obj)include/config.mk \
901 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
902 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
903 $(obj)include/spl-autoconf.mk \
904 $(obj)include/tpl-autoconf.mk
907 @$(MKCONFIG) -A $(@:_config=)
909 sinclude $(obj).boards.depend
910 $(obj).boards.depend: boards.cfg
911 @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
913 #########################################################################
914 #########################################################################
917 @rm -f $(obj)examples/standalone/atmel_df_pow2 \
918 $(obj)examples/standalone/hello_world \
919 $(obj)examples/standalone/interrupt \
920 $(obj)examples/standalone/mem_to_mem_idma2intr \
921 $(obj)examples/standalone/sched \
922 $(addprefix $(obj)examples/standalone/, smc91111_eeprom smc911x_eeprom) \
923 $(obj)examples/standalone/test_burst \
924 $(obj)examples/standalone/timer
925 @rm -f $(addprefix $(obj)examples/api/, demo demo.bin)
926 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
927 $(obj)tools/env/fw_printenv \
929 $(addprefix $(obj)tools/gdb/, gdbcont gdbsend) \
930 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \
931 $(obj)tools/dumpimage \
932 $(addprefix $(obj)tools/, mkenvimage mkimage) \
933 $(obj)tools/mpc86x_clk \
934 $(addprefix $(obj)tools/, mk$(BOARD)spl mkexynosspl) \
935 $(obj)tools/mxsboot \
936 $(obj)tools/ncb $(obj)tools/ubsha1 \
937 $(obj)tools/kernel-doc/docproc \
939 @rm -f $(addprefix $(obj)board/cray/L1/, bootscript.c bootscript.image) \
940 $(obj)board/matrix_vision/*/bootscript.img \
941 $(obj)spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl \
943 $(addprefix $(obj)arch/blackfin/cpu/, init.lds init.elf)
944 @rm -f $(obj)include/bmp_logo.h
945 @rm -f $(obj)include/bmp_logo_data.h
946 @rm -f $(obj)lib/asm-offsets.s
947 @rm -f $(obj)include/generated/asm-offsets.h
948 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
949 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
950 @$(MAKE) -s -C doc/DocBook/ cleandocs
951 @find $(OBJTREE) -type f \
952 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
953 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \
954 -o -name '*.cfgtmp' \) -print \
957 # Removes everything not needed for testing u-boot
959 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
962 @find $(OBJTREE) -type f \( -name '*.srec' \
963 -o -name '*.bin' -o -name u-boot.img \) \
964 -print0 | xargs -0 rm -f
965 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
966 $(obj)cscope.* $(obj)*.*~
967 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
968 @rm -f $(obj)u-boot.kwb
969 @rm -f $(obj)u-boot.pbl
970 @rm -f $(obj)u-boot.imx
971 @rm -f $(obj)u-boot-with-spl.imx
972 @rm -f $(obj)u-boot-with-nand-spl.imx
973 @rm -f $(obj)u-boot.ubl
974 @rm -f $(obj)u-boot.ais
975 @rm -f $(obj)u-boot.dtb
976 @rm -f $(obj)u-boot.sb
977 @rm -f $(obj)u-boot.spr
978 @rm -f $(addprefix $(obj)nand_spl/, u-boot.lds u-boot.lst System.map)
979 @rm -f $(addprefix $(obj)nand_spl/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map)
980 @rm -f $(addprefix $(obj)spl/, u-boot-spl u-boot-spl.bin u-boot-spl.map)
981 @rm -f $(obj)spl/u-boot-spl.lds
982 @rm -f $(addprefix $(obj)tpl/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map)
983 @rm -f $(obj)tpl/u-boot-spl.lds
984 @rm -f $(obj)MLO MLO.byteswap
986 @rm -f $(obj)tools/xway-swap-bytes
987 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
988 @rm -fr $(obj)include/generated
989 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
990 @rm -f $(obj)dts/*.tmp
991 @rm -f $(addprefix $(obj)spl/, u-boot-spl.ais, u-boot-spl-pad.ais)
994 distclean: clobber unconfig
995 ifneq ($(OBJTREE),$(SRCTREE))
1000 F=`basename $(TOPDIR)` ; cd .. ; \
1001 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
1003 #########################################################################