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
= include/generated
/timestamp_autogenerated.h
18 VERSION_FILE
= 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 # kbuild supports saving output files in a separate directory.
47 # To locate output files in a separate directory two syntaxes are supported.
48 # In both cases the working directory must be the root of the kernel src.
50 # Use "make O=dir/to/store/output/files/"
52 # 2) Set KBUILD_OUTPUT
53 # Set the environment variable KBUILD_OUTPUT to point to the directory
54 # where the output files shall be placed.
55 # export KBUILD_OUTPUT=dir/to/store/output/files/
58 # The O= assignment takes precedence over the KBUILD_OUTPUT environment
62 # KBUILD_SRC is set on invocation of make in OBJ directory
63 # KBUILD_SRC is not intended to be used by the regular user (for now)
66 # OK, Make called in directory where kernel src resides
67 # Do we want to locate output files in a separate directory?
68 ifeq ("$(origin O)", "command line")
72 ifeq ("$(origin W)", "command line")
73 export KBUILD_ENABLE_EXTRA_GCC_CHECKS
:= $(W
)
76 # That's our default target when none is given on the command line
80 # Cancel implicit rules on top Makefile
81 $(CURDIR
)/Makefile Makefile
: ;
83 ifneq ($(KBUILD_OUTPUT
),)
84 # Invoke a second make in the output directory, passing relevant variables
85 # check that the output directory actually exists
86 saved-output
:= $(KBUILD_OUTPUT
)
87 KBUILD_OUTPUT
:= $(shell cd
$(KBUILD_OUTPUT
) && /bin
/pwd
)
88 $(if
$(KBUILD_OUTPUT
),, \
89 $(error output directory
"$(saved-output)" does not exist
))
91 PHONY
+= $(MAKECMDGOALS
) sub-make
93 $(filter-out _all sub-make
$(CURDIR
)/Makefile
, $(MAKECMDGOALS
)) _all
: sub-make
97 $(if
$(KBUILD_VERBOSE
:1=),@
)$(MAKE
) -C
$(KBUILD_OUTPUT
) \
98 KBUILD_SRC
=$(CURDIR
) \
99 KBUILD_EXTMOD
="$(KBUILD_EXTMOD)" -f
$(CURDIR
)/Makefile \
100 $(filter-out _all sub-make
,$(MAKECMDGOALS
))
102 # Leave processing to above invocation of make
104 endif # ifneq ($(KBUILD_OUTPUT),)
105 endif # ifeq ($(KBUILD_SRC),)
107 # We process the rest of the Makefile if this is the final invocation of make
108 ifeq ($(skip-makefile
),)
113 srctree
:= $(if
$(KBUILD_SRC
),$(KBUILD_SRC
),$(CURDIR
))
118 VPATH
:= $(srctree
)$(if
$(KBUILD_EXTMOD
),:$(KBUILD_EXTMOD
))
120 export srctree objtree VPATH
122 # Call a source code checker (by default, "sparse") as part of the
125 # Use 'make C=1' to enable checking of re-compiled files.
127 # See the linux kernel file "Documentation/sparse.txt" for more details,
128 # including where to get the "sparse" utility.
131 ifeq ("$(origin C)", "command line")
140 OBJTREE
:= $(objtree
)
141 SPLTREE
:= $(OBJTREE
)/spl
142 TPLTREE
:= $(OBJTREE
)/tpl
143 SRCTREE
:= $(srctree
)
145 export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
147 MKCONFIG
:= $(SRCTREE
)/mkconfig
150 # Make sure CDPATH settings don't interfere
153 #########################################################################
155 # The "tools" are needed early, so put this first
156 # Don't include stuff already done in $(LIBS)
157 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
158 # is "yes"), so compile examples after U-Boot is compiled.
160 SUBDIRS
= $(SUBDIR_TOOLS
)
162 .PHONY
: $(SUBDIRS
) $(VERSION_FILE
) $(TIMESTAMP_FILE
)
164 ifeq (include/config.mk
,$(wildcard include/config.mk
))
166 # Include autoconf.mk before config.mk so that the config options are available
167 # to all top level build files. We need the dummy all: target to prevent the
168 # dependency target in autoconf.mk.dep from being the default.
170 sinclude
include/autoconf.mk.dep
171 sinclude
include/autoconf.mk
173 SUBDIR_EXAMPLES-y
:= examples
/standalone
174 SUBDIR_EXAMPLES-
$(CONFIG_API
) += examples
/api
175 ifndef CONFIG_SANDBOX
176 SUBDIRS
+= $(SUBDIR_EXAMPLES-y
)
179 # load ARCH, BOARD, and CPU configuration
180 include include/config.mk
181 export ARCH CPU BOARD VENDOR SOC
183 # set default to nothing for native builds
184 ifeq ($(HOSTARCH
),$(ARCH
))
188 # SHELL used by kbuild
189 CONFIG_SHELL
:= $(shell if
[ -x
"$$BASH" ]; then echo
$$BASH; \
190 else if
[ -x
/bin
/bash
]; then echo
/bin
/bash
; \
191 else echo sh
; fi
; fi
)
194 HOSTCFLAGS
= -Wall
-Wstrict-prototypes
-O2
-fomit-frame-pointer
196 ifeq ($(HOSTOS
),cygwin
)
200 # Mac OS X / Darwin's C preprocessor is Apple specific. It
201 # generates numerous errors and warnings. We want to bypass it
202 # and use GNU C's cpp. To do this we pass the -traditional-cpp
203 # option to the compiler. Note that the -traditional-cpp flag
204 # DOES NOT have the same semantics as GNU C's flag, all it does
205 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
207 # Apple's linker is similar, thanks to the new 2 stage linking
208 # multiple symbol definitions are treated as errors, hence the
209 # -multiply_defined suppress option to turn off this error.
211 ifeq ($(HOSTOS
),darwin
)
212 # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
213 DARWIN_MAJOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
1 -d
'.')
214 DARWIN_MINOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
2 -d
'.')
216 os_x_before
= $(shell if
[ $(DARWIN_MAJOR_VERSION
) -le
$(1) -a \
217 $(DARWIN_MINOR_VERSION
) -le
$(2) ] ; then echo
"$(3)"; else echo
"$(4)"; fi
;)
219 # Snow Leopards build environment has no longer restrictions as described above
220 HOSTCC
= $(call os_x_before
, 10, 5, "cc", "gcc")
221 HOSTCFLAGS
+= $(call os_x_before
, 10, 4, "-traditional-cpp")
222 HOSTLDFLAGS
+= $(call os_x_before
, 10, 5, "-multiply_defined suppress")
225 # Look for make include files relative to root of kernel src
226 MAKEFLAGS
+= --include-dir
=$(srctree
)
228 # We need some generic definitions (do not try to remake the file).
229 $(srctree
)/scripts
/Kbuild.
include: ;
230 include $(srctree
)/scripts
/Kbuild.
include
232 # Make variables (CC, etc...)
234 AS
= $(CROSS_COMPILE
)as
236 ifneq ($(shell $(CROSS_COMPILE
)ld.bfd
-v
2> /dev
/null
),)
237 LD
= $(CROSS_COMPILE
)ld.bfd
239 LD
= $(CROSS_COMPILE
)ld
241 CC
= $(CROSS_COMPILE
)gcc
243 AR
= $(CROSS_COMPILE
)ar
244 NM
= $(CROSS_COMPILE
)nm
245 LDR
= $(CROSS_COMPILE
)ldr
246 STRIP
= $(CROSS_COMPILE
)strip
247 OBJCOPY
= $(CROSS_COMPILE
)objcopy
248 OBJDUMP
= $(CROSS_COMPILE
)objdump
250 RANLIB
= $(CROSS_COMPILE
)RANLIB
254 CHECKFLAGS
:= -D__linux__
-Dlinux
-D__STDC__
-Dunix
-D__unix__ \
255 -Wbitwise
-Wno-return-void
-D__CHECK_ENDIAN__
$(CF
)
257 # Use UBOOTINCLUDE when you must reference the include/ directory.
258 # Needed to be compatible with the O= option
260 ifneq ($(OBJTREE
),$(SRCTREE
))
261 UBOOTINCLUDE
+= -I
$(OBJTREE
)/include
263 UBOOTINCLUDE
+= -I
$(srctree
)/include \
264 -I
$(srctree
)/arch
/$(ARCH
)/include
266 KBUILD_CPPFLAGS
:= -D__KERNEL__
268 KBUILD_CFLAGS
:= -Wall
-Wstrict-prototypes \
269 -Wno-format-security \
270 -fno-builtin
-ffreestanding
271 KBUILD_AFLAGS
:= -D__ASSEMBLY__
273 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
274 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
276 export DTC CHECK CHECKFLAGS
278 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE
279 export KBUILD_CFLAGS KBUILD_AFLAGS
281 KBUILD_CFLAGS
+= -Os
#-fomit-frame-pointer
284 KBUILD_CFLAGS
+= -DBUILD_TAG
='"$(BUILD_TAG)"'
287 KBUILD_CFLAGS
+= $(call cc-option
,-fno-stack-protector
)
290 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
291 # option to the assembler.
294 NOSTDINC_FLAGS
+= -nostdinc
-isystem
$(shell $(CC
) -print-file-name
=include)
295 CHECKFLAGS
+= $(NOSTDINC_FLAGS
)
297 # Report stack usage if supported
298 KBUILD_CFLAGS
+= $(call cc-option
,-fstack-usage
)
300 KBUILD_CFLAGS
+= $(call cc-option
,-Wno-format-nonliteral
)
302 # turn jbsr into jsr for m68k
304 ifeq ($(findstring 3.4,$(shell $(CC
) --version
)),3.4)
305 KBUILD_AFLAGS
+= -Wa
,-gstabs
,-S
309 # load other configuration
310 include $(TOPDIR
)/config.mk
312 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
313 KBUILD_CPPFLAGS
+= -DCONFIG_SYS_TEXT_BASE
=$(CONFIG_SYS_TEXT_BASE
)
316 export CONFIG_SYS_TEXT_BASE
318 LDFLAGS_u-boot
+= -T u-boot.lds
$(LDFLAGS_FINAL
)
319 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
320 LDFLAGS_u-boot
+= -Ttext
$(CONFIG_SYS_TEXT_BASE
)
323 # Targets which don't build the source code
324 NON_BUILD_TARGETS
= backup
clean clobber distclean mrproper tidy unconfig
%_config
326 # Only do the generic board check when actually building, not configuring
327 ifeq ($(filter $(NON_BUILD_TARGETS
),$(MAKECMDGOALS
)),)
328 ifeq ($(__HAVE_ARCH_GENERIC_BOARD
),)
329 ifneq ($(CONFIG_SYS_GENERIC_BOARD
),)
330 CHECK_GENERIC_BOARD
= $(error Your architecture does not support generic board. \
331 Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file
)
336 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
337 # that (or fail if absent). Otherwise, search for a linker script in a
340 LDSCRIPT_MAKEFILE_DIR
= $(dir $(LDSCRIPT
))
343 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
344 ifdef CONFIG_SYS_LDSCRIPT
345 # need to strip off double quotes
346 LDSCRIPT
:= $(CONFIG_SYS_LDSCRIPT
:"%"=%)
350 # If there is no specified link script, we look in a number of places for it
352 ifeq ($(CONFIG_NAND_U_BOOT
),y
)
353 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot-nand.lds
354 ifeq ($(wildcard $(LDSCRIPT
)),)
355 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot-nand.lds
358 ifeq ($(wildcard $(LDSCRIPT
)),)
359 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot.lds
361 ifeq ($(wildcard $(LDSCRIPT
)),)
362 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot.lds
364 ifeq ($(wildcard $(LDSCRIPT
)),)
365 LDSCRIPT
:= $(TOPDIR
)/arch
/$(ARCH
)/cpu
/u-boot.lds
366 # We don't expect a Makefile here
367 LDSCRIPT_MAKEFILE_DIR
=
369 ifeq ($(wildcard $(LDSCRIPT
)),)
370 $(error could not find linker script
)
374 #########################################################################
375 # U-Boot objects....order is important (i.e. start must be first)
377 head-y
:= $(CPUDIR
)/start.o
378 head-
$(CONFIG_4xx
) += arch
/powerpc
/cpu
/ppc4xx
/resetvec.o
379 head-
$(CONFIG_MPC85xx
) += arch
/powerpc
/cpu
/mpc85xx
/resetvec.o
383 HAVE_VENDOR_COMMON_LIB
= $(if
$(wildcard $(srctree
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
386 LIBS-
$(HAVE_VENDOR_COMMON_LIB
) += board
/$(VENDOR
)/common
/
389 LIBS-y
+= $(CPUDIR
)/$(SOC
)/
391 LIBS-
$(CONFIG_IXP4XX_NPE
) += drivers
/net
/npe
/
392 LIBS-
$(CONFIG_OF_EMBED
) += dts
/
393 LIBS-y
+= arch
/$(ARCH
)/lib
/
398 LIBS-y
+= drivers
/dma
/
399 LIBS-y
+= drivers
/gpio
/
400 LIBS-y
+= drivers
/i2c
/
401 LIBS-y
+= drivers
/input
/
402 LIBS-y
+= drivers
/mmc
/
403 LIBS-y
+= drivers
/mtd
/
404 LIBS-
$(CONFIG_CMD_NAND
) += drivers
/mtd
/nand
/
405 LIBS-y
+= drivers
/mtd
/onenand
/
406 LIBS-
$(CONFIG_CMD_UBI
) += drivers
/mtd
/ubi
/
407 LIBS-y
+= drivers
/mtd
/spi
/
408 LIBS-y
+= drivers
/net
/
409 LIBS-y
+= drivers
/net
/phy
/
410 LIBS-y
+= drivers
/pci
/
411 LIBS-y
+= drivers
/power
/ \
412 drivers
/power
/fuel_gauge
/ \
414 drivers
/power
/pmic
/ \
415 drivers
/power
/battery
/
416 LIBS-y
+= drivers
/spi
/
417 LIBS-
$(CONFIG_FMAN_ENET
) += drivers
/net
/fm
/
418 LIBS-
$(CONFIG_SYS_FSL_DDR
) += drivers
/ddr
/fsl
/
419 LIBS-y
+= drivers
/serial
/
420 LIBS-y
+= drivers
/usb
/eth
/
421 LIBS-y
+= drivers
/usb
/gadget
/
422 LIBS-y
+= drivers
/usb
/host
/
423 LIBS-y
+= drivers
/usb
/musb
/
424 LIBS-y
+= drivers
/usb
/musb-new
/
425 LIBS-y
+= drivers
/usb
/phy
/
426 LIBS-y
+= drivers
/usb
/ulpi
/
428 LIBS-y
+= lib
/libfdt
/
429 LIBS-
$(CONFIG_API
) += api
/
430 LIBS-
$(CONFIG_HAS_POST
) += post
/
433 ifneq (,$(filter $(SOC
), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610
))
434 LIBS-y
+= arch
/$(ARCH
)/imx-common
/
437 LIBS-
$(CONFIG_ARM
) += arch
/arm
/cpu
/
438 LIBS-
$(CONFIG_PPC
) += arch
/powerpc
/cpu
/
440 LIBS-y
+= board
/$(BOARDDIR
)/
442 LIBS-y
:= $(patsubst %/, %/built-in.o
, $(LIBS-y
))
443 LIBS
:= $(sort $(LIBS-y
))
447 ifdef USE_PRIVATE_LIBGCC
448 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
449 PLATFORM_LIBGCC
= $(OBJTREE
)/arch
/$(ARCH
)/lib
/libgcc.o
451 PLATFORM_LIBGCC
= -L
$(USE_PRIVATE_LIBGCC
) -lgcc
454 PLATFORM_LIBGCC
:= -L
$(shell dirname
`$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
456 PLATFORM_LIBS
+= $(PLATFORM_LIBGCC
)
459 # Special flags for CPP when processing the linker script.
460 # Pass the version down so we can handle backwards compatibility
463 -include $(TOPDIR
)/include/u-boot
/u-boot.lds.h \
465 $(shell $(LD
) --version | \
466 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
468 #########################################################################
469 #########################################################################
471 ifneq ($(CONFIG_BOARD_SIZE_LIMIT
),)
473 @actual
=`wc -c $@ | awk '{print $$1}'`; \
474 limit
=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
475 if
test $$actual -gt
$$limit; then \
476 echo
"$@ exceeds file size limit:" >&2 ; \
477 echo
" limit: $$limit bytes" >&2 ; \
478 echo
" actual: $$actual bytes" >&2 ; \
479 echo
" excess: $$((actual - limit)) bytes" >&2; \
486 # Statically apply RELA-style relocations (currently arm64 only)
487 ifneq ($(CONFIG_STATIC_RELA
),)
488 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
490 start
=$$($(NM
) $(1) | grep __rel_dyn_start | cut
-f
1 -d
' '); \
491 end
=$$($(NM
) $(1) | grep __rel_dyn_end | cut
-f
1 -d
' '); \
492 tools
/relocate-rela
$(2) $(3) $$start $$end
497 # Always append ALL so that arch config.mk's can add custom ones
498 ALL-y
+= u-boot.srec u-boot.bin System.map
500 ALL-
$(CONFIG_NAND_U_BOOT
) += u-boot-nand.bin
501 ALL-
$(CONFIG_ONENAND_U_BOOT
) += u-boot-onenand.bin
502 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot.pbl
503 ALL-
$(CONFIG_SPL
) += spl
/u-boot-spl.bin
504 ALL-
$(CONFIG_SPL_FRAMEWORK
) += u-boot.img
505 ALL-
$(CONFIG_TPL
) += tpl
/u-boot-tpl.bin
506 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot.dtb u-boot-dtb.bin
507 ifneq ($(CONFIG_SPL_TARGET
),)
508 ALL-
$(CONFIG_SPL
) += $(CONFIG_SPL_TARGET
:"%"=%)
510 ALL-
$(CONFIG_REMAKE_ELF
) += u-boot.elf
512 # enable combined SPL/u-boot/dtb rules for tegra
513 ifneq ($(CONFIG_TEGRA
),)
514 ifeq ($(CONFIG_SPL
),y
)
515 ifeq ($(CONFIG_OF_SEPARATE
),y
)
516 ALL-y
+= u-boot-dtb-tegra.bin
518 ALL-y
+= u-boot-nodtb-tegra.bin
523 all: $(ALL-y
) $(SUBDIR_EXAMPLES-y
)
525 u-boot.dtb
: checkdtc u-boot
526 $(MAKE
) $(build
)=dts binary
529 u-boot-dtb.bin
: u-boot.bin u-boot.dtb
533 $(OBJCOPY
) ${OBJCFLAGS} -O ihex
$< $@
536 $(OBJCOPY
) ${OBJCFLAGS} -O srec
$< $@
539 $(OBJCOPY
) ${OBJCFLAGS} -O binary
$< $@
540 $(call DO_STATIC_RELA
,$<,$@
,$(CONFIG_SYS_TEXT_BASE
))
545 $(LDR
) -T
$(CONFIG_BFIN_CPU
) -c
$@
$< $(LDR_FLAGS
)
548 u-boot.ldr.hex
: u-boot.ldr
549 $(OBJCOPY
) ${OBJCFLAGS} -O ihex
$< $@
-I binary
551 u-boot.ldr.srec
: u-boot.ldr
552 $(OBJCOPY
) ${OBJCFLAGS} -O srec
$< $@
-I binary
555 # U-Boot entry point, needed for booting of full-blown U-Boot
556 # from the SPL U-Boot version.
558 ifndef CONFIG_SYS_UBOOT_START
559 CONFIG_SYS_UBOOT_START
:= 0
562 u-boot.img
: u-boot.bin
563 tools
/mkimage
-A
$(ARCH
) -T firmware
-C none \
564 -O u-boot
-a
$(CONFIG_SYS_TEXT_BASE
) \
565 -e
$(CONFIG_SYS_UBOOT_START
) \
566 -n
$(shell sed
-n
-e
's/.*U_BOOT_VERSION//p' $(VERSION_FILE
) | \
567 sed
-e
's/"[ ]*$$/ for $(BOARD) board"/') \
570 u-boot.imx
: u-boot.bin depend
571 $(MAKE
) $(build
)=arch
/arm
/imx-common
$(objtree
)/u-boot.imx
573 u-boot.kwb
: u-boot.bin
574 tools
/mkimage
-n
$(CONFIG_SYS_KWD_CONFIG
) -T kwbimage \
575 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
) -d
$< $@
577 u-boot.pbl
: u-boot.bin
578 tools
/mkimage
-n
$(CONFIG_SYS_FSL_PBL_RCW
) \
579 -R
$(CONFIG_SYS_FSL_PBL_PBI
) -T pblimage \
582 u-boot.sha1
: u-boot.bin
583 tools
/ubsha1 u-boot.bin
586 $(OBJDUMP
) -d
$< > $@
588 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
591 $(OBJCOPY
) ${OBJCFLAGS} --pad-to
=$(4) -I binary
-O binary \
593 cat
$(3) $(2) > $@
; \
597 SPL_PAYLOAD
:= tpl
/u-boot-with-tpl.bin
599 SPL_PAYLOAD
:= u-boot.bin
602 u-boot-with-spl.bin
: spl
/u-boot-spl.bin
$(SPL_PAYLOAD
)
603 $(call SPL_PAD_APPEND
,$<,$(SPL_PAYLOAD
),spl
/u-boot-spl-pad.bin
,$(CONFIG_SPL_PAD_TO
))
605 tpl
/u-boot-with-tpl.bin
: tpl
/u-boot-tpl.bin u-boot.bin
606 $(call SPL_PAD_APPEND
,$<,u-boot.bin
,tpl
/u-boot-tpl-pad.bin
,$(CONFIG_TPL_PAD_TO
))
608 u-boot-with-spl.imx
: spl
/u-boot-spl.bin u-boot.bin
609 $(MAKE
) $(build
)=arch
/arm
/imx-common \
610 $(OBJTREE
)/u-boot-with-spl.imx
612 u-boot-with-nand-spl.imx
: spl
/u-boot-spl.bin u-boot.bin
613 $(MAKE
) $(build
)=arch
/arm
/imx-common \
614 $(OBJTREE
)/u-boot-with-nand-spl.imx
616 u-boot.ubl
: u-boot-with-spl.bin
617 tools
/mkimage
-n
$(UBL_CONFIG
) -T ublimage \
618 -e
$(CONFIG_SYS_TEXT_BASE
) -d
$< u-boot.ubl
620 u-boot.ais
: spl
/u-boot-spl.bin u-boot.img
621 tools
/mkimage
-s
-n
$(if
$(CONFIG_AIS_CONFIG_FILE
),$(srctree
)/$(CONFIG_AIS_CONFIG_FILE
:"%"=%),"/dev/null") \
623 -e
$(CONFIG_SPL_TEXT_BASE
) \
624 -d spl
/u-boot-spl.bin \
626 $(OBJCOPY
) ${OBJCFLAGS} -I binary \
627 --pad-to
=$(CONFIG_SPL_MAX_SIZE
) -O binary \
628 spl
/u-boot-spl.ais spl
/u-boot-spl-pad.ais
629 cat spl
/u-boot-spl-pad.ais u-boot.img
> u-boot.ais
632 u-boot.sb
: u-boot.bin spl
/u-boot-spl.bin
633 $(MAKE
) $(build
)=$(CPUDIR
)/$(SOC
)/ $(OBJTREE
)/u-boot.sb
635 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
636 # Both images are created using mkimage (crc etc), so that the ROM
637 # bootloader can check its integrity. Padding needs to be done to the
638 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
639 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
640 # The resulting image containing both U-Boot images is called u-boot.spr
641 u-boot.spr
: u-boot.img spl
/u-boot-spl.bin
642 tools
/mkimage
-A
$(ARCH
) -T firmware
-C none \
643 -a
$(CONFIG_SPL_TEXT_BASE
) -e
$(CONFIG_SPL_TEXT_BASE
) -n XLOADER \
644 -d spl
/u-boot-spl.bin
$@
645 $(OBJCOPY
) -I binary
-O binary \
646 --pad-to
=$(CONFIG_SPL_PAD_TO
) --gap-fill
=0xff $@
649 ifneq ($(CONFIG_TEGRA
),)
650 u-boot-nodtb-tegra.bin
: spl
/u-boot-spl.bin u-boot.bin
651 $(OBJCOPY
) ${OBJCFLAGS} --pad-to
=$(CONFIG_SYS_TEXT_BASE
) -O binary spl
/u-boot-spl spl
/u-boot-spl-pad.bin
652 cat spl
/u-boot-spl-pad.bin u-boot.bin
> $@
653 rm spl
/u-boot-spl-pad.bin
655 ifeq ($(CONFIG_OF_SEPARATE
),y
)
656 u-boot-dtb-tegra.bin
: u-boot-nodtb-tegra.bin u-boot.dtb
657 cat u-boot-nodtb-tegra.bin u-boot.dtb
> $@
661 u-boot-img.bin
: spl
/u-boot-spl.bin u-boot.img
662 cat spl
/u-boot-spl.bin u-boot.img
> $@
664 # PPC4xx needs the SPL at the end of the image, since the reset vector
665 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
666 # and need to introduce a new build target with the full blown U-Boot
667 # at the start padded up to the start of the SPL image. And then concat
668 # the SPL image to the end.
669 u-boot-img-spl-at-end.bin
: spl
/u-boot-spl.bin u-boot.img
670 $(OBJCOPY
) -I binary
-O binary
--pad-to
=$(CONFIG_UBOOT_PAD_TO
) \
671 --gap-fill
=0xff u-boot.img
$@
672 cat spl
/u-boot-spl.bin
>> $@
674 # Create a new ELF from a raw binary file. This is useful for arm64
675 # where static relocation needs to be performed on the raw binary,
676 # but certain simulators only accept an ELF file (but don't do the
678 # FIXME refactor dts/Makefile to share target/arch detection
679 u-boot.elf
: u-boot.bin
680 @
$(OBJCOPY
) -B aarch64
-I binary
-O elf64-littleaarch64 \
682 @
$(LD
) u-boot-elf.o
-o
$@ \
683 --defsym
=_start
=$(CONFIG_SYS_TEXT_BASE
) \
684 -Ttext
=$(CONFIG_SYS_TEXT_BASE
)
686 ifeq ($(CONFIG_SANDBOX
),y
)
688 $(CC
) $(SYMS
) -T u-boot.lds \
689 -Wl
,--start-group
$(LIBS
) -Wl
,--end-group \
690 $(PLATFORM_LIBS
) -Wl
,-Map
-Wl
,u-boot.map
-o u-boot
693 $(LD
) $(LDFLAGS
) $(LDFLAGS_
$(@F
)) \
695 --start-group
$(LIBS
) --end-group
$(PLATFORM_LIBS
) \
696 -Map u-boot.map
-o u-boot
699 u-boot
: depend
$(SUBDIR_TOOLS
) $(OBJS
) $(LIBS
) u-boot.lds
701 ifeq ($(CONFIG_KALLSYMS
),y
)
702 smap
=`$(call SYSTEM_MAP,u-boot) | \
703 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
704 $(CC
) $(CFLAGS
) -DSYSTEM_MAP
="\"$${smap}\"" \
705 -c
$(srctree
)/common
/system_map.c
-o common
/system_map.o
706 $(GEN_UBOOT
) common
/system_map.o
712 $(LIBS
): depend
$(SUBDIR_TOOLS
)
713 $(MAKE
) $(build
)=$(patsubst %/,%,$(dir $@
))
716 $(MAKE
) $(build
)=$@
all
718 $(SUBDIR_EXAMPLES-y
): u-boot
720 u-boot.lds
: $(LDSCRIPT
) depend
721 $(CPP
) $(CPPFLAGS
) $(LDPPFLAGS
) -ansi
-D__ASSEMBLY__
-P
- <$< >$@
723 nand_spl
: $(TIMESTAMP_FILE
) $(VERSION_FILE
) depend
724 $(MAKE
) $(build
)=nand_spl
/board
/$(BOARDDIR
) all
726 u-boot-nand.bin
: nand_spl u-boot.bin
727 cat nand_spl
/u-boot-spl-16k.bin u-boot.bin
> u-boot-nand.bin
729 spl
/u-boot-spl.bin
: $(SUBDIR_TOOLS
) depend
730 $(MAKE
) obj
=spl
-f
$(srctree
)/spl
/Makefile
all
732 tpl
/u-boot-tpl.bin
: $(SUBDIR_TOOLS
) depend
733 $(MAKE
) obj
=tpl
-f
$(srctree
)/spl
/Makefile
all CONFIG_TPL_BUILD
=y
735 # Explicitly make _depend in subdirs containing multiple targets to prevent
736 # parallel sub-makes creating .depend files simultaneously.
737 depend dep
: $(TIMESTAMP_FILE
) $(VERSION_FILE
) \
738 include/spl-autoconf.mk \
739 include/tpl-autoconf.mk \
740 include/autoconf.mk \
741 include/generated
/generic-asm-offsets.h \
742 include/generated
/asm-offsets.h
744 TAG_SUBDIRS
= $(SUBDIRS
)
745 TAG_SUBDIRS
+= $(dir $(LIBS
))
746 TAG_SUBDIRS
+= include
752 $(CROSS_COMPILE
)objdump
-d u-boot \
753 `$(FIND) . -name u-boot-spl -print` | \
754 perl
$(src
)/scripts
/checkstack.pl
$(ARCH
)
757 ctags
-w
-o ctags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
758 -name '*.[chS]' -print`
761 etags
-a
-o
$(obj
)etags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
762 -name '*.[chS]' -print`
764 $(FIND
) $(FINDFLAGS
) $(TAG_SUBDIRS
) -name
'*.[chS]' -print > \
770 grep
-v
'\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
773 @
$(call SYSTEM_MAP
,$<) > $@
776 @if
test $(call cc-version
) -lt
0404; then \
777 echo
-n
'*** Your GCC does not produce working '; \
778 echo
'binaries in THUMB mode.'; \
779 echo
'*** Your board is configured for THUMB mode.'; \
783 # GCC 3.x is reported to have problems generating the type of relocation
785 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
787 @if
test $(call cc-version
) -lt
0400; then \
788 echo
-n
'*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
793 @if
test $(call dtc-version
) -lt
0104; then \
794 echo
'*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
799 # Auto-generate the autoconf.mk file (which is included by all makefiles)
801 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
802 # the dep file is only include in this top level makefile to determine when
803 # to regenerate the autoconf.mk file.
804 include/autoconf.mk.dep
: include/config.h
include/common.h
805 @
$(XECHO
) Generating
$@
; \
806 : Generate the dependancies
; \
807 $(CC
) -x c
-DDO_DEPS_ONLY
-M
$(CFLAGS
) $(CPPFLAGS
) \
808 -MQ
include/autoconf.mk
$(srctree
)/include/common.h
> $@ || \
811 include/autoconf.mk
: include/config.h
812 @
$(XECHO
) Generating
$@
; \
813 : Extract the config macros
; \
814 $(CPP
) $(CFLAGS
) -DDO_DEPS_ONLY
-dM
$(srctree
)/include/common.h
> $@.tmp
&& \
815 sed
-n
-f
$(srctree
)/tools
/scripts
/define2mk.sed
$@.tmp
> $@
; \
818 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
819 include/tpl-autoconf.mk
: include/config.h
820 @
$(XECHO
) Generating
$@
; \
821 : Extract the config macros
; \
822 $(CPP
) $(CFLAGS
) -DCONFIG_TPL_BUILD
-DCONFIG_SPL_BUILD\
823 -DDO_DEPS_ONLY
-dM
$(srctree
)/include/common.h
> $@.tmp
&& \
824 sed
-n
-f
$(srctree
)/tools
/scripts
/define2mk.sed
$@.tmp
> $@
; \
827 include/spl-autoconf.mk
: include/config.h
828 @
$(XECHO
) Generating
$@
; \
829 : Extract the config macros
; \
830 $(CPP
) $(CFLAGS
) -DCONFIG_SPL_BUILD
-DDO_DEPS_ONLY
-dM
$(srctree
)/include/common.h
> $@.tmp
&& \
831 sed
-n
-f
$(srctree
)/tools
/scripts
/define2mk.sed
$@.tmp
> $@
; \
834 include/generated
/generic-asm-offsets.h
: lib
/asm-offsets.s
835 @
$(XECHO
) Generating
$@
836 $(srctree
)/tools
/scripts
/make-asm-offsets lib
/asm-offsets.s
$@
838 lib
/asm-offsets.s
: include/config.h
$(srctree
)/lib
/asm-offsets.c
840 $(CC
) -DDO_DEPS_ONLY \
841 $(CFLAGS
) $(CFLAGS_
$(BCURDIR
)/$(@F
)) $(CFLAGS_
$(BCURDIR
)) \
842 -o
$@
$(srctree
)/lib
/asm-offsets.c
-c
-S
844 include/generated
/asm-offsets.h
: $(CPUDIR
)/$(SOC
)/asm-offsets.s
845 @
$(XECHO
) Generating
$@
846 $(srctree
)/tools
/scripts
/make-asm-offsets
$(CPUDIR
)/$(SOC
)/asm-offsets.s
$@
848 $(CPUDIR
)/$(SOC
)/asm-offsets.s
: include/config.h
849 @mkdir
-p
$(CPUDIR
)/$(SOC
)
850 if
[ -f
$(srctree
)/$(CPUDIR
)/$(SOC
)/asm-offsets.c
];then \
851 $(CC
) -DDO_DEPS_ONLY \
852 $(CFLAGS
) $(CFLAGS_
$(BCURDIR
)/$(@F
)) $(CFLAGS_
$(BCURDIR
)) \
853 -o
$@
$(srctree
)/$(CPUDIR
)/$(SOC
)/asm-offsets.c
-c
-S
; \
858 #########################################################################
860 all u-boot.hex u-boot.srec u-boot.bin \
861 u-boot.img u-boot.dis u-boot \
862 $(filter-out tools
,$(SUBDIRS
)) \
863 depend dep
tags ctags etags cscope System.map
:
864 @echo
"System not configured - see README" >&2
867 tools
: $(VERSION_FILE
) $(TIMESTAMP_FILE
)
868 $(MAKE
) $(build
)=$@
all
871 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
872 # R_AARCH64_RELATIVE (64-bit).
873 checkarmreloc
: u-boot
874 @RELOC
="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
875 grep R_A | sort -u`"; \
876 if
test "$$RELOC" != "R_ARM_RELATIVE" -a \
877 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
878 echo
"$< contains unexpected relocations: $$RELOC"; \
883 @mkdir
-p
$(dir $(VERSION_FILE
))
884 @
( localvers
='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
885 printf
'#define PLAIN_VERSION "%s%s"\n' \
886 "$(U_BOOT_VERSION)" "$${localvers}" ; \
887 printf
'#define U_BOOT_VERSION "U-Boot %s%s"\n' \
888 "$(U_BOOT_VERSION)" "$${localvers}" ; \
890 @
( printf
'#define CC_VERSION_STRING "%s"\n' \
891 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
892 @
( printf
'#define LD_VERSION_STRING "%s"\n' \
893 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
894 @cmp
-s
$@
$@.tmp
&& rm -f
$@.tmp || mv
-f
$@.tmp
$@
897 @mkdir
-p
$(dir $(TIMESTAMP_FILE
))
898 @LC_ALL
=C date
+'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
899 @LC_ALL
=C date
+'#define U_BOOT_TIME "%T"' >> $@.tmp
900 @cmp
-s
$@
$@.tmp
&& rm -f
$@.tmp || mv
-f
$@.tmp
$@
903 $(MAKE
) $(build
)=tools
/$@ MTD_VERSION
=${MTD_VERSION}
907 xmldocs pdfdocs psdocs htmldocs mandocs
: tools
/kernel-doc
/docproc
908 $(MAKE
) U_BOOT_VERSION
=$(U_BOOT_VERSION
) $(build
)=doc
/DocBook
$@
910 tools-all
: easylogo env gdb
$(VERSION_FILE
) $(TIMESTAMP_FILE
)
911 $(MAKE
) $(build
)=tools HOST_TOOLS_ALL
=y
915 git log
--no-merges U-Boot-1_1_5.. | \
916 unexpand
-a | sed
-e
's/\s\s*$$//' > $@
918 include/license.h
: tools
/bin2header COPYING
919 cat COPYING | gzip
-9 -c | .
/tools
/bin2header license_gzip
> include/license.h
920 #########################################################################
923 @
rm -f
include/config.h
include/config.mk \
924 board
/*/config.tmp board
/*/*/config.tmp \
925 include/autoconf.mk
include/autoconf.mk.dep \
926 include/spl-autoconf.mk \
927 include/tpl-autoconf.mk
930 @
$(MKCONFIG
) -A
$(@
:_config
=)
932 #########################################################################
935 @
rm -f examples
/standalone
/atmel_df_pow2 \
936 examples
/standalone
/hello_world \
937 examples
/standalone
/interrupt \
938 examples
/standalone
/mem_to_mem_idma2intr \
939 examples
/standalone
/sched \
940 $(addprefix examples
/standalone
/, smc91111_eeprom smc911x_eeprom
) \
941 examples
/standalone
/test_burst \
942 examples
/standalone
/timer
943 @
rm -f
$(addprefix examples
/api
/, demo demo.bin
)
944 @
rm -f tools
/bmp_logo tools
/easylogo
/easylogo \
945 tools
/env
/fw_printenv \
947 $(addprefix tools
/gdb
/, gdbcont gdbsend
) \
948 tools
/gen_eth_addr tools
/img2srec \
950 $(addprefix tools
/, mkenvimage mkimage
) \
952 $(addprefix tools
/, mk
$(BOARD
)spl mkexynosspl
) \
954 tools
/ncb tools
/ubsha1 \
955 tools
/kernel-doc
/docproc \
957 @
rm -f
$(addprefix board
/cray
/L1
/, bootscript.c bootscript.image
) \
958 board
/matrix_vision
/*/bootscript.img \
959 spl
/board
/samsung
/$(BOARD
)/tools
/mk
$(BOARD
)spl \
961 $(addprefix arch
/blackfin
/cpu
/, init.lds init.elf
)
962 @
rm -f
include/bmp_logo.h
963 @
rm -f
include/bmp_logo_data.h
964 @
rm -f lib
/asm-offsets.s
965 @
rm -f
include/generated
/asm-offsets.h
966 @
rm -f
$(CPUDIR
)/$(SOC
)/asm-offsets.s
967 @
rm -f
$(TIMESTAMP_FILE
) $(VERSION_FILE
)
968 @
$(MAKE
) -f
$(srctree
)/doc
/DocBook
/Makefile cleandocs
969 @find
$(OBJTREE
) -type f \
970 \
( -name
'core' -o
-name
'*.bak' -o
-name
'*~' -o
-name
'*.su' \
971 -o
-name
'*.o' -o
-name
'*.a' -o
-name
'*.exe' \
972 -o
-name
'*.cfgtmp' \
) -print \
975 # Removes everything not needed for testing u-boot
977 @find
$(OBJTREE
) -type f \
( -name
'*.depend*' \
) -print | xargs
rm -f
980 @find
$(OBJTREE
) -type f \
( -name
'*.srec' \
981 -o
-name
'*.bin' -o
-name u-boot.img \
) \
982 -print0 | xargs
-0 rm -f
983 @
rm -f
$(OBJS
) *.bak ctags etags TAGS \
985 @
rm -f u-boot u-boot.map u-boot.hex
$(ALL-y
)
989 @
rm -f u-boot-with-spl.imx
990 @
rm -f u-boot-with-nand-spl.imx
996 @
rm -f
$(addprefix nand_spl
/, u-boot.lds u-boot.lst System.map
)
997 @
rm -f
$(addprefix nand_spl
/, u-boot-nand_spl.lds u-boot-spl u-boot-spl.map
)
998 @
rm -f
$(addprefix spl
/, u-boot-spl u-boot-spl.bin u-boot-spl.map
)
999 @
rm -f spl
/u-boot-spl.lds
1000 @
rm -f
$(addprefix tpl
/, u-boot-tpl u-boot-tpl.bin u-boot-tpl.map
)
1001 @
rm -f tpl
/u-boot-spl.lds
1002 @
rm -f MLO MLO.byteswap
1004 @
rm -f tools
/xway-swap-bytes
1005 @
rm -fr
include/asm
/proc
include/asm
/arch
include/asm
1006 @
rm -fr
include/generated
1007 @
[ ! -d nand_spl
] || find nand_spl
-name
"*" -type l
-print | xargs
rm -f
1009 @
rm -f
$(addprefix spl
/, u-boot-spl.ais
, u-boot-spl-pad.ais
)
1012 distclean: clobber unconfig
1013 ifneq ($(OBJTREE
),$(SRCTREE
))
1018 F
=`basename $(TOPDIR)` ; cd ..
; \
1019 gtar
--force-local
-zcvf
`LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
1021 #########################################################################
1023 endif # skip-makefile
1028 # Declare the contents of the .PHONY variable as phony. We keep that
1029 # information in a variable so we can use it in if_changed and friends.