2 # SPDX-License-Identifier: GPL-2.0+
12 # To see a list of typical targets execute "make help"
13 # More info can be located in ./README
14 # Comments in this file are targeted only to the developer, do not
15 # expect to learn how to build the kernel reading this file.
17 # o Do not use make's built-in rules and variables
18 # (this increases performance and avoids hard-to-debug behaviour);
19 # o Look for make include files relative to root of kernel src
20 MAKEFLAGS
+= -rR
--include-dir
=$(CURDIR
)
22 # Avoid funny character set dependencies
26 export LC_COLLATE LC_NUMERIC
28 # Avoid interference with shell env settings
31 # We are using a recursive build, so we need to do a little thinking
32 # to get the ordering right.
34 # Most importantly: sub-Makefiles should only ever modify files in
35 # their own directory. If in some directory we have a dependency on
36 # a file in another dir (which doesn't happen often, but it's often
37 # unavoidable when linking the built-in.o targets which finally
38 # turn into vmlinux), we will call a sub make in that other dir, and
39 # after that we are sure that everything which is in that other dir
42 # The only cases where we need to modify files which have global
43 # effects are thus separated out and done before the recursive
44 # descending is started. They are now explicitly listed as the
48 # ---------------------------------------------------------------------------
50 # Normally, we echo the whole command before executing it. By making
51 # that echo $($(quiet)$(cmd)), we now have the possibility to set
52 # $(quiet) to choose other forms of output instead, e.g.
54 # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
55 # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
57 # If $(quiet) is empty, the whole command will be printed.
58 # If it is set to "quiet_", only the short version will be printed.
59 # If it is set to "silent_", nothing will be printed at all, since
60 # the variable $(silent_cmd_cc_o_c) doesn't exist.
62 # A simple variant is to prefix commands with $(Q) - that's useful
63 # for commands that shall be hidden in non-verbose mode.
67 # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
68 # If KBUILD_VERBOSE equals 1 then the above command is displayed.
70 # To put more focus on warnings, be less verbose as default
71 # Use 'make V=1' to see the full commands
73 ifeq ("$(origin V)", "command line")
80 ifeq ($(KBUILD_VERBOSE
),1)
88 # If the user is running make -s (silent mode), suppress echoing of
91 ifneq ($(filter 4.
%,$(MAKE_VERSION
)),) # make-4
92 ifneq ($(filter %s
,$(firstword x
$(MAKEFLAGS
))),)
96 ifneq ($(filter s
% -s
%,$(MAKEFLAGS
)),)
101 export quiet Q KBUILD_VERBOSE
103 # kbuild supports saving output files in a separate directory.
104 # To locate output files in a separate directory two syntaxes are supported.
105 # In both cases the working directory must be the root of the kernel src.
107 # Use "make O=dir/to/store/output/files/"
109 # 2) Set KBUILD_OUTPUT
110 # Set the environment variable KBUILD_OUTPUT to point to the directory
111 # where the output files shall be placed.
112 # export KBUILD_OUTPUT=dir/to/store/output/files/
115 # The O= assignment takes precedence over the KBUILD_OUTPUT environment
118 # KBUILD_SRC is set on invocation of make in OBJ directory
119 # KBUILD_SRC is not intended to be used by the regular user (for now)
120 ifeq ($(KBUILD_SRC
),)
122 # OK, Make called in directory where kernel src resides
123 # Do we want to locate output files in a separate directory?
124 ifeq ("$(origin O)", "command line")
125 KBUILD_OUTPUT
:= $(O
)
128 # That's our default target when none is given on the command line
132 # Cancel implicit rules on top Makefile
133 $(CURDIR
)/Makefile Makefile
: ;
135 ifneq ($(KBUILD_OUTPUT
),)
136 # Invoke a second make in the output directory, passing relevant variables
137 # check that the output directory actually exists
138 saved-output
:= $(KBUILD_OUTPUT
)
139 KBUILD_OUTPUT
:= $(shell mkdir
-p
$(KBUILD_OUTPUT
) && cd
$(KBUILD_OUTPUT
) \
141 $(if
$(KBUILD_OUTPUT
),, \
142 $(error failed to create output directory
"$(saved-output)"))
144 PHONY
+= $(MAKECMDGOALS
) sub-make
146 $(filter-out _all sub-make
$(CURDIR
)/Makefile
, $(MAKECMDGOALS
)) _all
: sub-make
150 $(Q
)$(MAKE
) -C
$(KBUILD_OUTPUT
) KBUILD_SRC
=$(CURDIR
) \
151 -f
$(CURDIR
)/Makefile
$(filter-out _all sub-make
,$(MAKECMDGOALS
))
153 # Leave processing to above invocation of make
155 endif # ifneq ($(KBUILD_OUTPUT),)
156 endif # ifeq ($(KBUILD_SRC),)
158 # We process the rest of the Makefile if this is the final invocation of make
159 ifeq ($(skip-makefile
),)
161 # Do not print "Entering directory ...",
162 # but we want to display it when entering to the output directory
163 # so that IDEs/editors are able to understand relative filenames.
164 MAKEFLAGS
+= --no-print-directory
166 # Call a source code checker (by default, "sparse") as part of the
169 # Use 'make C=1' to enable checking of only re-compiled files.
170 # Use 'make C=2' to enable checking of *all* source files, regardless
171 # of whether they are re-compiled or not.
173 # See the file "Documentation/sparse.txt" for more details, including
174 # where to get the "sparse" utility.
176 ifeq ("$(origin C)", "command line")
177 KBUILD_CHECKSRC
= $(C
)
179 ifndef KBUILD_CHECKSRC
183 # Use make M=dir to specify directory of external module to build
184 # Old syntax make ... SUBDIRS=$PWD is still supported
185 # Setting the environment variable KBUILD_EXTMOD take precedence
187 KBUILD_EXTMOD ?
= $(SUBDIRS
)
190 ifeq ("$(origin M)", "command line")
191 KBUILD_EXTMOD
:= $(M
)
194 # If building an external module we do not care about the all: rule
195 # but instead _all depend on modules
197 ifeq ($(KBUILD_EXTMOD
),)
203 ifeq ($(KBUILD_SRC
),)
204 # building in the source tree
207 ifeq ($(KBUILD_SRC
)/,$(dir $(CURDIR
)))
208 # building in a subdirectory of the source tree
211 srctree
:= $(KBUILD_SRC
)
218 VPATH
:= $(srctree
)$(if
$(KBUILD_EXTMOD
),:$(KBUILD_EXTMOD
))
220 export srctree objtree VPATH
222 # Make sure CDPATH settings don't interfere
225 #########################################################################
227 HOSTARCH
:= $(shell uname
-m | \
229 -e s
/sun4u
/sparc64
/ \
232 -e s
/ppc64
/powerpc
/ \
234 -e s
/macppc
/powerpc
/\
237 HOSTOS
:= $(shell uname
-s | tr
'[:upper:]' '[:lower:]' | \
238 sed
-e
's/\(cygwin\).*/cygwin/')
240 export HOSTARCH HOSTOS
242 #########################################################################
244 # set default to nothing for native builds
245 ifeq ($(HOSTARCH
),$(ARCH
))
249 KCONFIG_CONFIG ?
= .config
250 export KCONFIG_CONFIG
252 # SHELL used by kbuild
253 CONFIG_SHELL
:= $(shell if
[ -x
"$$BASH" ]; then echo
$$BASH; \
254 else if
[ -x
/bin
/bash
]; then echo
/bin
/bash
; \
255 else echo sh
; fi
; fi
)
259 HOSTCFLAGS
= -Wall
-Wstrict-prototypes
-O2
-fomit-frame-pointer \
260 $(if
$(CONFIG_TOOLS_DEBUG
),-g
)
263 ifeq ($(HOSTOS
),cygwin
)
267 # Mac OS X / Darwin's C preprocessor is Apple specific. It
268 # generates numerous errors and warnings. We want to bypass it
269 # and use GNU C's cpp. To do this we pass the -traditional-cpp
270 # option to the compiler. Note that the -traditional-cpp flag
271 # DOES NOT have the same semantics as GNU C's flag, all it does
272 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
274 # Apple's linker is similar, thanks to the new 2 stage linking
275 # multiple symbol definitions are treated as errors, hence the
276 # -multiply_defined suppress option to turn off this error.
278 ifeq ($(HOSTOS
),darwin
)
279 # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
280 DARWIN_MAJOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
1 -d
'.')
281 DARWIN_MINOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
2 -d
'.')
283 os_x_before
= $(shell if
[ $(DARWIN_MAJOR_VERSION
) -le
$(1) -a \
284 $(DARWIN_MINOR_VERSION
) -le
$(2) ] ; then echo
"$(3)"; else echo
"$(4)"; fi
;)
286 # Snow Leopards build environment has no longer restrictions as described above
287 HOSTCC
= $(call os_x_before
, 10, 5, "cc", "gcc")
288 HOSTCFLAGS
+= $(call os_x_before
, 10, 4, "-traditional-cpp")
289 HOSTLDFLAGS
+= $(call os_x_before
, 10, 5, "-multiply_defined suppress")
291 # since Lion (10.7) ASLR is on by default, but we use linker generated lists
292 # in some host tools which is a problem then ... so disable ASLR for these
294 HOSTLDFLAGS
+= $(call os_x_before
, 10, 7, "", "-Xlinker -no_pie")
297 # Decide whether to build built-in, modular, or both.
298 # Normally, just do built-in.
303 # If we have only "make modules", don't compile built-in objects.
304 # When we're building modules with modversions, we need to consider
305 # the built-in objects during the descend as well, in order to
306 # make sure the checksums are up to date before we record them.
308 ifeq ($(MAKECMDGOALS
),modules
)
309 KBUILD_BUILTIN
:= $(if
$(CONFIG_MODVERSIONS
),1)
312 # If we have "make <whatever> modules", compile modules
313 # in addition to whatever we do anyway.
314 # Just "make" or "make all" shall build modules as well
316 # U-Boot does not need modules
317 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
318 # KBUILD_MODULES := 1
321 #ifeq ($(MAKECMDGOALS),)
322 # KBUILD_MODULES := 1
325 export KBUILD_MODULES KBUILD_BUILTIN
326 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
328 # We need some generic definitions (do not try to remake the file).
329 scripts
/Kbuild.
include: ;
330 include scripts
/Kbuild.
include
332 # Make variables (CC, etc...)
334 AS
= $(CROSS_COMPILE
)as
336 ifneq ($(shell $(CROSS_COMPILE
)ld.bfd
-v
2> /dev
/null
),)
337 LD
= $(CROSS_COMPILE
)ld.bfd
339 LD
= $(CROSS_COMPILE
)ld
341 CC
= $(CROSS_COMPILE
)gcc
343 AR
= $(CROSS_COMPILE
)ar
344 NM
= $(CROSS_COMPILE
)nm
345 LDR
= $(CROSS_COMPILE
)ldr
346 STRIP
= $(CROSS_COMPILE
)strip
347 OBJCOPY
= $(CROSS_COMPILE
)objcopy
348 OBJDUMP
= $(CROSS_COMPILE
)objdump
352 DTC ?
= $(objtree
)/scripts
/dtc
/dtc
355 CHECKFLAGS
:= -D__linux__
-Dlinux
-D__STDC__
-Dunix
-D__unix__ \
356 -Wbitwise
-Wno-return-void
-D__CHECK_ENDIAN__
$(CF
)
358 KBUILD_CPPFLAGS
:= -D__KERNEL__
-D__UBOOT__
360 KBUILD_CFLAGS
:= -Wall
-Wstrict-prototypes \
361 -Wno-format-security \
362 -fno-builtin
-ffreestanding
363 KBUILD_CFLAGS
+= -fshort-wchar
364 KBUILD_AFLAGS
:= -D__ASSEMBLY__
366 # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
367 UBOOTRELEASE
= $(shell cat
include/config
/uboot.release
2> /dev
/null
)
368 UBOOTVERSION
= $(VERSION
)$(if
$(PATCHLEVEL
),.
$(PATCHLEVEL
)$(if
$(SUBLEVEL
),.
$(SUBLEVEL
)))$(EXTRAVERSION
)
370 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
371 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
372 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
373 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
374 export MAKE AWK PERL PYTHON
375 export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
377 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
378 export KBUILD_CFLAGS KBUILD_AFLAGS
380 # When compiling out-of-tree modules, put MODVERDIR in the module
381 # tree rather than in the kernel tree. The kernel tree might
383 export MODVERDIR
:= $(if
$(KBUILD_EXTMOD
),$(firstword $(KBUILD_EXTMOD
))/).tmp_versions
385 # Files to ignore in find ... statements
387 export RCS_FIND_IGNORE
:= \
( -name SCCS
-o
-name BitKeeper
-o
-name .svn
-o \
388 -name CVS
-o
-name .
pc -o
-name .hg
-o
-name .git \
) \
390 export RCS_TAR_IGNORE
:= --exclude SCCS
--exclude BitKeeper
--exclude .svn \
391 --exclude CVS
--exclude .
pc --exclude .hg
--exclude .git
393 # ===========================================================================
394 # Rules shared between *config targets and build targets
396 # Basic helpers built in scripts/
397 PHONY
+= scripts_basic
399 $(Q
)$(MAKE
) $(build
)=scripts
/basic
400 $(Q
)rm -f .tmp_quiet_recordmcount
402 # To avoid any implicit rule to kick in, define an empty command.
403 scripts
/basic
/%: scripts_basic
;
405 PHONY
+= outputmakefile
406 # outputmakefile generates a Makefile in the output directory, if using a
407 # separate output directory. This allows convenient use of make in the
410 ifneq ($(KBUILD_SRC
),)
411 $(Q
)ln
-fsn
$(srctree
) source
412 $(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/mkmakefile \
413 $(srctree
) $(objtree
) $(VERSION
) $(PATCHLEVEL
)
416 # To make sure we do not include .config for any of the *config targets
417 # catch them early, and hand them over to scripts/kconfig/Makefile
418 # It is allowed to specify more targets when calling make, including
419 # mixing *config targets and build targets.
420 # For example 'make oldconfig all'.
421 # Detect when mixed targets is specified, and make a second invocation
422 # of make so .config is not included in this case either (for *config).
424 version_h
:= include/generated
/version_autogenerated.h
425 timestamp_h
:= include/generated
/timestamp_autogenerated.h
427 no-dot-config-targets
:= clean clobber mrproper
distclean \
428 help
%docs
check% coccicheck \
429 ubootversion backup tests
435 ifneq ($(filter $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
436 ifeq ($(filter-out $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
441 ifeq ($(KBUILD_EXTMOD
),)
442 ifneq ($(filter config
%config
,$(MAKECMDGOALS
)),)
444 ifneq ($(words $(MAKECMDGOALS
)),1)
450 ifeq ($(mixed-targets
),1)
451 # ===========================================================================
452 # We're called with mixed targets (*config and build targets).
453 # Handle them one by one.
455 PHONY
+= $(MAKECMDGOALS
) __build_one_by_one
457 $(filter-out __build_one_by_one
, $(MAKECMDGOALS
)): __build_one_by_one
462 for i in
$(MAKECMDGOALS
); do \
463 $(MAKE
) -f
$(srctree
)/Makefile
$$i; \
467 ifeq ($(config-targets
),1)
468 # ===========================================================================
469 # *config targets only - make sure prerequisites are updated, and descend
470 # in scripts/kconfig to make the *config target
472 KBUILD_DEFCONFIG
:= sandbox_defconfig
473 export KBUILD_DEFCONFIG KBUILD_KCONFIG
475 config
: scripts_basic outputmakefile FORCE
476 $(Q
)$(MAKE
) $(build
)=scripts
/kconfig
$@
478 %config
: scripts_basic outputmakefile FORCE
479 $(Q
)$(MAKE
) $(build
)=scripts
/kconfig
$@
482 # ===========================================================================
483 # Build targets only - this includes vmlinux, arch specific targets, clean
484 # targets and others. In general all targets except *config targets.
486 # Additional helpers built in scripts/
487 # Carefully list dependencies so we do not try to build scripts twice
490 scripts
: scripts_basic
include/config
/auto.conf
491 $(Q
)$(MAKE
) $(build
)=$(@
)
493 ifeq ($(dot-config
),1)
495 -include include/config
/auto.conf
497 # Read in dependencies to all Kconfig* files, make sure to run
498 # oldconfig if changes are detected.
499 -include include/config
/auto.conf.cmd
501 # To avoid any implicit rule to kick in, define an empty command
502 $(KCONFIG_CONFIG
) include/config
/auto.conf.cmd
: ;
504 # If .config is newer than include/config/auto.conf, someone tinkered
505 # with it and forgot to run make oldconfig.
506 # if auto.conf.cmd is missing then we are probably in a cleaned tree so
507 # we execute the config step to be sure to catch updated Kconfig files
508 include/config
/%.conf
: $(KCONFIG_CONFIG
) include/config
/auto.conf.cmd
509 $(Q
)$(MAKE
) -f
$(srctree
)/Makefile silentoldconfig
510 @
# If the following part fails, include/config/auto.conf should be
511 @
# deleted so "make silentoldconfig" will be re-run on the next build.
512 $(Q
)$(MAKE
) -f
$(srctree
)/scripts
/Makefile.autoconf || \
513 { rm -f
include/config
/auto.conf
; false
; }
514 @
# include/config.h has been updated after "make silentoldconfig".
515 @
# We need to touch include/config/auto.conf so it gets newer
516 @
# than include/config.h.
517 @
# Otherwise, 'make silentoldconfig' would be invoked twice.
518 $(Q
)touch
include/config
/auto.conf
520 u-boot.cfg spl
/u-boot.cfg tpl
/u-boot.cfg
: include/config.h FORCE
521 $(Q
)$(MAKE
) -f
$(srctree
)/scripts
/Makefile.autoconf
$(@
)
523 -include include/autoconf.mk
524 -include include/autoconf.mk.dep
526 # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
527 # is up-to-date. When we switch to a different board configuration, old CONFIG
528 # macros are still remaining in include/config/auto.conf. Without the following
529 # gimmick, wrong config.mk would be included leading nasty warnings/errors.
530 ifneq ($(wildcard $(KCONFIG_CONFIG
)),)
531 ifneq ($(wildcard include/config
/auto.conf
),)
532 autoconf_is_old
:= $(shell find .
-path .
/$(KCONFIG_CONFIG
) -newer \
533 include/config
/auto.conf
)
534 ifeq ($(autoconf_is_old
),)
536 include arch
/$(ARCH
)/Makefile
541 # These are set by the arch-specific config.mk. Make sure they are exported
542 # so they can be used when building an EFI application.
543 export EFI_LDS
# Filename of EFI link script in arch/$(ARCH)/lib
544 export EFI_CRT0
# Filename of EFI CRT0 in arch/$(ARCH)/lib
545 export EFI_RELOC
# Filename of EFU relocation code in arch/$(ARCH)/lib
546 export CFLAGS_EFI
# Compiler flags to add when building EFI app
547 export CFLAGS_NON_EFI
# Compiler flags to remove when building EFI app
548 export EFI_TARGET
# binutils target if EFI is natively supported
550 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
551 # that (or fail if absent). Otherwise, search for a linker script in a
555 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
556 ifdef CONFIG_SYS_LDSCRIPT
557 # need to strip off double quotes
558 LDSCRIPT
:= $(srctree
)/$(CONFIG_SYS_LDSCRIPT
:"%"=%)
562 # If there is no specified link script, we look in a number of places for it
564 ifeq ($(wildcard $(LDSCRIPT
)),)
565 LDSCRIPT
:= $(srctree
)/board
/$(BOARDDIR
)/u-boot.lds
567 ifeq ($(wildcard $(LDSCRIPT
)),)
568 LDSCRIPT
:= $(srctree
)/$(CPUDIR
)/u-boot.lds
570 ifeq ($(wildcard $(LDSCRIPT
)),)
571 LDSCRIPT
:= $(srctree
)/arch
/$(ARCH
)/cpu
/u-boot.lds
576 # Dummy target needed, because used as prerequisite
577 include/config
/auto.conf
: ;
578 endif # $(dot-config)
581 # Xtensa linker script cannot be preprocessed with -ansi because of
582 # preprocessor operations on strings that don't make C identifiers.
584 ifeq ($(CONFIG_XTENSA
),)
588 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
594 KBUILD_CFLAGS
+= $(call cc-option
,-fno-stack-protector
)
595 KBUILD_CFLAGS
+= $(call cc-option
,-fno-delete-null-pointer-checks
)
598 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
599 # option to the assembler.
602 # Report stack usage if supported
603 ifeq ($(shell $(CONFIG_SHELL
) $(srctree
)/scripts
/gcc-stack-usage.sh
$(CC
)),y
)
604 KBUILD_CFLAGS
+= -fstack-usage
607 KBUILD_CFLAGS
+= $(call cc-option
,-Wno-format-nonliteral
)
609 # turn jbsr into jsr for m68k
611 ifeq ($(findstring 3.4,$(shell $(CC
) --version
)),3.4)
612 KBUILD_AFLAGS
+= -Wa
,-gstabs
,-S
616 # Prohibit date/time macros, which would make the build non-deterministic
617 KBUILD_CFLAGS
+= $(call cc-option
,-Werror
=date-time
)
619 include scripts
/Makefile.extrawarn
621 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
622 KBUILD_CPPFLAGS
+= $(KCPPFLAGS
)
623 KBUILD_AFLAGS
+= $(KAFLAGS
)
624 KBUILD_CFLAGS
+= $(KCFLAGS
)
626 # Use UBOOTINCLUDE when you must reference the include/ directory.
627 # Needed to be compatible with the O= option
630 $(if
$(KBUILD_SRC
), -I
$(srctree
)/include) \
631 $(if
$(CONFIG_
$(SPL_
)SYS_THUMB_BUILD
), \
632 $(if
$(CONFIG_HAS_THUMB2
),, \
633 -I
$(srctree
)/arch
/$(ARCH
)/thumb1
/include),) \
634 -I
$(srctree
)/arch
/$(ARCH
)/include \
635 -include $(srctree
)/include/linux
/kconfig.h
637 NOSTDINC_FLAGS
+= -nostdinc
-isystem
$(shell $(CC
) -print-file-name
=include)
638 CHECKFLAGS
+= $(NOSTDINC_FLAGS
)
641 cpp_flags
:= $(KBUILD_CPPFLAGS
) $(PLATFORM_CPPFLAGS
) $(UBOOTINCLUDE
) \
643 c_flags
:= $(KBUILD_CFLAGS
) $(cpp_flags
)
645 #########################################################################
646 # U-Boot objects....order is important (i.e. start must be first)
648 HAVE_VENDOR_COMMON_LIB
= $(if
$(wildcard $(srctree
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
651 libs-
$(HAVE_VENDOR_COMMON_LIB
) += board
/$(VENDOR
)/common
/
652 libs-
$(CONFIG_OF_EMBED
) += dts
/
657 libs-y
+= drivers
/dma
/
658 libs-y
+= drivers
/gpio
/
659 libs-y
+= drivers
/i2c
/
660 libs-y
+= drivers
/mtd
/
661 libs-
$(CONFIG_CMD_NAND
) += drivers
/mtd
/nand
/
662 libs-y
+= drivers
/mtd
/onenand
/
663 libs-
$(CONFIG_CMD_UBI
) += drivers
/mtd
/ubi
/
664 libs-y
+= drivers
/mtd
/spi
/
665 libs-y
+= drivers
/net
/
666 libs-y
+= drivers
/net
/phy
/
667 libs-y
+= drivers
/pci
/
668 libs-y
+= drivers
/power
/ \
669 drivers
/power
/domain
/ \
670 drivers
/power
/fuel_gauge
/ \
672 drivers
/power
/pmic
/ \
673 drivers
/power
/battery
/ \
674 drivers
/power
/regulator
/
675 libs-y
+= drivers
/spi
/
676 libs-
$(CONFIG_FMAN_ENET
) += drivers
/net
/fm
/
677 libs-
$(CONFIG_SYS_FSL_DDR
) += drivers
/ddr
/fsl
/
678 libs-
$(CONFIG_SYS_FSL_MMDC
) += drivers
/ddr
/fsl
/
679 libs-
$(CONFIG_ALTERA_SDRAM
) += drivers
/ddr
/altera
/
680 libs-y
+= drivers
/serial
/
681 libs-y
+= drivers
/usb
/dwc3
/
682 libs-y
+= drivers
/usb
/common
/
683 libs-y
+= drivers
/usb
/emul
/
684 libs-y
+= drivers
/usb
/eth
/
685 libs-y
+= drivers
/usb
/gadget
/
686 libs-y
+= drivers
/usb
/gadget
/udc
/
687 libs-y
+= drivers
/usb
/host
/
688 libs-y
+= drivers
/usb
/musb
/
689 libs-y
+= drivers
/usb
/musb-new
/
690 libs-y
+= drivers
/usb
/phy
/
691 libs-y
+= drivers
/usb
/ulpi
/
695 libs-
$(CONFIG_API
) += api
/
696 libs-
$(CONFIG_HAS_POST
) += post
/
699 libs-
$(CONFIG_UT_ENV
) += test/env
/
700 libs-
$(CONFIG_UT_OVERLAY
) += test/overlay
/
702 libs-y
+= $(if
$(BOARDDIR
),board
/$(BOARDDIR
)/)
704 libs-y
:= $(sort $(libs-y
))
706 u-boot-dirs
:= $(patsubst %/,%,$(filter %/, $(libs-y
))) tools examples
708 u-boot-alldirs
:= $(sort $(u-boot-dirs
) $(patsubst %/,%,$(filter %/, $(libs-
))))
710 libs-y
:= $(patsubst %/, %/built-in.o
, $(libs-y
))
712 u-boot-init
:= $(head-y
)
713 u-boot-main
:= $(libs-y
)
717 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC
),y
)
718 PLATFORM_LIBGCC
= arch
/$(ARCH
)/lib
/lib.a
720 PLATFORM_LIBGCC
:= -L
$(shell dirname
`$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
722 PLATFORM_LIBS
+= $(PLATFORM_LIBGCC
)
724 export PLATFORM_LIBGCC
726 # Special flags for CPP when processing the linker script.
727 # Pass the version down so we can handle backwards compatibility
730 -include $(srctree
)/include/u-boot
/u-boot.lds.h \
732 $(shell $(LD
) --version | \
733 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
735 #########################################################################
736 #########################################################################
738 ifneq ($(CONFIG_BOARD_SIZE_LIMIT
),)
740 @actual
=`wc -c $@ | awk '{print $$1}'`; \
741 limit
=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
742 if
test $$actual -gt
$$limit; then \
743 echo
"$@ exceeds file size limit:" >&2 ; \
744 echo
" limit: $$limit bytes" >&2 ; \
745 echo
" actual: $$actual bytes" >&2 ; \
746 echo
" excess: $$((actual - limit)) bytes" >&2; \
753 # Statically apply RELA-style relocations (currently arm64 only)
754 # This is useful for arm64 where static relocation needs to be performed on
755 # the raw binary, but certain simulators only accept an ELF file (but don't
756 # do the relocation).
757 ifneq ($(CONFIG_STATIC_RELA
),)
758 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
760 start
=$$($(NM
) $(1) | grep __rel_dyn_start | cut
-f
1 -d
' '); \
761 end
=$$($(NM
) $(1) | grep __rel_dyn_end | cut
-f
1 -d
' '); \
762 tools
/relocate-rela
$(2) $(3) $$start $$end
767 # Always append ALL so that arch config.mk's can add custom ones
768 ALL-y
+= u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check
770 ALL-
$(CONFIG_ONENAND_U_BOOT
) += u-boot-onenand.bin
771 ifeq ($(CONFIG_SPL_FSL_PBL
),y
)
772 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot-with-spl-pbl.bin
774 ifneq ($(CONFIG_SECURE_BOOT
), y
)
775 # For Secure Boot The Image needs to be signed and Header must also
776 # be included. So The image has to be built explicitly
777 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot.pbl
780 ALL-
$(CONFIG_SPL
) += spl
/u-boot-spl.bin
781 ifeq ($(CONFIG_MX6
)$(CONFIG_SECURE_BOOT
), yy
)
782 ALL-
$(CONFIG_SPL_FRAMEWORK
) += u-boot-ivt.img
784 ALL-
$(CONFIG_SPL_FRAMEWORK
) += u-boot.img
786 ALL-
$(CONFIG_TPL
) += tpl
/u-boot-tpl.bin
787 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot.dtb
788 ifeq ($(CONFIG_SPL_FRAMEWORK
),y
)
789 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot-dtb.img
791 ALL-
$(CONFIG_OF_HOSTFILE
) += u-boot.dtb
792 ifneq ($(CONFIG_SPL_TARGET
),)
793 ALL-
$(CONFIG_SPL
) += $(CONFIG_SPL_TARGET
:"%"=%)
795 ALL-
$(CONFIG_REMAKE_ELF
) += u-boot.elf
796 ALL-
$(CONFIG_EFI_APP
) += u-boot-app.efi
797 ALL-
$(CONFIG_EFI_STUB
) += u-boot-payload.efi
799 ifneq ($(BUILD_ROM
)$(CONFIG_BUILD_ROM
),)
800 ALL-
$(CONFIG_X86_RESET_VECTOR
) += u-boot.rom
803 # enable combined SPL/u-boot/dtb rules for tegra
804 ifeq ($(CONFIG_TEGRA
)$(CONFIG_SPL
),yy
)
805 ALL-y
+= u-boot-tegra.bin u-boot-nodtb-tegra.bin
806 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot-dtb-tegra.bin
809 # Add optional build target if defined in board/cpu/soc headers
810 ifneq ($(CONFIG_BUILD_TARGET
),)
811 ALL-y
+= $(CONFIG_BUILD_TARGET
:"%"=%)
814 ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET
),)
815 ALL-y
+= init_sp_bss_offset_check
818 LDFLAGS_u-boot
+= $(LDFLAGS_FINAL
)
820 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
821 LDFLAGS_u-boot
+= $(call ld-option
, --no-dynamic-linker
)
823 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
824 LDFLAGS_u-boot
+= -Ttext
$(CONFIG_SYS_TEXT_BASE
)
827 # Normally we fill empty space with 0xff
828 quiet_cmd_objcopy
= OBJCOPY
$@
829 cmd_objcopy
= $(OBJCOPY
) --gap-fill
=0xff $(OBJCOPYFLAGS
) \
830 $(OBJCOPYFLAGS_
$(@F
)) $< $@
832 # Provide a version which does not do this, for use by EFI
833 quiet_cmd_zobjcopy
= OBJCOPY
$@
834 cmd_zobjcopy
= $(OBJCOPY
) $(OBJCOPYFLAGS
) $(OBJCOPYFLAGS_
$(@F
)) $< $@
836 quiet_cmd_efipayload
= OBJCOPY
$@
837 cmd_efipayload
= $(OBJCOPY
) -I binary
-O
$(EFIPAYLOAD_BFDTARGET
) -B
$(EFIPAYLOAD_BFDARCH
) $< $@
839 MKIMAGEOUTPUT ?
= /dev
/null
841 quiet_cmd_mkimage
= MKIMAGE
$@
842 cmd_mkimage
= $(objtree
)/tools
/mkimage
$(MKIMAGEFLAGS_
$(@F
)) -d
$< $@ \
843 $(if
$(KBUILD_VERBOSE
:1=), >$(MKIMAGEOUTPUT
))
845 quiet_cmd_mkfitimage
= MKIMAGE
$@
846 cmd_mkfitimage
= $(objtree
)/tools
/mkimage
$(MKIMAGEFLAGS_
$(@F
)) -f
$(U_BOOT_ITS
) -E
$@ \
847 $(if
$(KBUILD_VERBOSE
:1=), >$(MKIMAGEOUTPUT
))
849 quiet_cmd_cat
= CAT
$@
850 cmd_cat
= cat
$(filter-out $(PHONY
), $^
) > $@
852 append
= cat
$(filter-out $< $(PHONY
), $^
) >> $@
854 quiet_cmd_pad_cat
= CAT
$@
855 cmd_pad_cat
= $(cmd_objcopy
) && $(append
) ||
rm -f
$@
859 quiet_cmd_cfgcheck
= CFGCHK
$2
860 cmd_cfgcheck
= $(srctree
)/scripts
/check-config.sh
$2 \
861 $(srctree
)/scripts
/config_whitelist.txt
$(srctree
)
864 ifeq ($(CONFIG_DM_I2C_COMPAT
)$(CONFIG_SANDBOX
),y
)
865 @echo
"===================== WARNING ======================"
866 @echo
"This board uses CONFIG_DM_I2C_COMPAT. Please remove"
867 @echo
"(possibly in a subsequent patch in your series)"
868 @echo
"before sending patches to the mailing list."
869 @echo
"===================================================="
871 @
# Check that this build does not use CONFIG options that we do not
872 @
# know about unless they are in Kconfig. All the existing CONFIG
873 @
# options are whitelisted, so new ones should not be added.
874 $(call cmd
,cfgcheck
,u-boot.cfg
)
880 $(Q
)$(MAKE
) $(build
)=dts dtbs
882 quiet_cmd_copy
= COPY
$@
885 ifeq ($(CONFIG_MULTI_DTB_FIT
),y
)
887 fit-dtb.blob
: dts
/dt.dtb FORCE
888 $(call if_changed
,mkimage
)
890 MKIMAGEFLAGS_fit-dtb.blob
= -f auto
-A
$(ARCH
) -T firmware
-C none
-O u-boot \
892 $(patsubst %,-b arch
/$(ARCH
)/dts
/%.dtb
,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null
894 u-boot-fit-dtb.bin: u-boot-nodtb.bin fit-dtb.blob
895 $(call if_changed,cat)
897 u-boot.bin: u-boot-fit-dtb.bin FORCE
898 $(call if_changed,copy)
899 else ifeq ($(CONFIG_OF_SEPARATE),y)
900 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
901 $(call if_changed,cat)
903 u-boot.bin: u-boot-dtb.bin FORCE
904 $(call if_changed,copy)
906 u-boot.bin: u-boot-nodtb.bin FORCE
907 $(call if_changed,copy)
911 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
914 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
916 quiet_cmd_copy = COPY $@
919 u-boot.dtb: dts/dt.dtb
922 OBJCOPYFLAGS_u-boot.hex := -O ihex
924 OBJCOPYFLAGS_u-boot.srec := -O srec
926 u-boot.hex u-boot.srec: u-boot FORCE
927 $(call if_changed,objcopy)
929 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
930 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec)
932 binary_size_check: u-boot-nodtb.bin FORCE
933 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \
934 map_size=$(shell cat u-boot.map | \
935 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase
=16; " toupper(end) " - " toupper(start)}' \
938 if [ "" != "$$map_size" ]; then \
939 if test $$map_size -ne $$file_size; then \
940 echo "u-boot.map shows a binary size of
$$map_size" >&2 ; \
941 echo " but u-boot-nodtb.bin shows
$$file_size" >&2 ; \
946 ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),)
947 ifneq ($(CONFIG_SYS_MALLOC_F_LEN),)
948 subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN)))
950 subtract_sys_malloc_f_len = true
952 # The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is
953 # so low that the DTB could probably use 90%+ of the available space, for
954 # current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be
955 # safe for now and tweak this later if space becomes tight.
956 # A rejected alternative would be to check that some absolute minimum stack
957 # space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is
958 # deliberately build-specific, to take account of build-to-build stack usage
959 # differences due to different feature sets, there is no common absolute value
961 init_sp_bss_offset_check: u-boot.dtb FORCE
962 @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \
963 space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \
964 $(subtract_sys_malloc_f_len) ; \
965 quarter_space=$$(($${space} / 4)) ; \
966 if [ $${dtb_size} -gt $${quarter_space} ]; then \
967 echo "u-boot.dtb is larger than
1 quarter of
" >&2 ; \
968 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET
- CONFIG_SYS_MALLOC_F_LEN
)" >&2 ; \
973 u-boot-nodtb.bin: u-boot FORCE
974 $(call if_changed,objcopy)
975 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
980 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS)
984 # ---------------------------------------------------------------------------
985 quiet_cmd_binman = BINMAN $@
986 cmd_binman = $(srctree)/tools/binman/binman -d u-boot.dtb -O . \
987 -I . -I $(srctree)/board/$(BOARDDIR) $<
989 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
991 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
993 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
994 $(call if_changed,objcopy)
997 # U-Boot entry point, needed for booting of full-blown U-Boot
998 # from the SPL U-Boot version.
1000 ifndef CONFIG_SYS_UBOOT_START
1001 CONFIG_SYS_UBOOT_START := 0
1004 # Create a file containing the configuration options the image was built with
1005 quiet_cmd_cpp_cfg = CFG $@
1006 cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
1007 -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $<
1009 # Boards with more complex image requirments can provide an .its source file
1010 # or a generator script
1011 ifneq ($(CONFIG_SPL_FIT_SOURCE),"")
1012 U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE
))
1014 ifneq ($(CONFIG_SPL_FIT_GENERATOR
),"")
1015 U_BOOT_ITS
:= u-boot.its
1016 $(U_BOOT_ITS
): FORCE
1017 $(srctree
)/$(CONFIG_SPL_FIT_GENERATOR
) \
1018 $(patsubst %,arch
/$(ARCH
)/dts
/%.dtb
,$(subst ",,$(CONFIG_OF_LIST))) > $@
1022 ifdef CONFIG_SPL_LOAD_FIT
1023 MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
1024 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1025 -n "U-Boot
$(UBOOTRELEASE
) for
$(BOARD
) board
" -E \
1026 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST
)))
1028 MKIMAGEFLAGS_u-boot.img
= -A
$(ARCH
) -T firmware
-C none
-O u-boot \
1029 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_UBOOT_START
) \
1030 -n
"U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1031 MKIMAGEFLAGS_u-boot-ivt.img
= -A
$(ARCH
) -T firmware_ivt
-C none
-O u-boot \
1032 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_UBOOT_START
) \
1033 -n
"U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1034 u-boot-ivt.img
: MKIMAGEOUTPUT
= u-boot-ivt.img.log
1035 CLEAN_FILES
+= u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log
1038 MKIMAGEFLAGS_u-boot-dtb.img
= $(MKIMAGEFLAGS_u-boot.img
)
1040 MKIMAGEFLAGS_u-boot.kwb
= -n
$(srctree
)/$(CONFIG_SYS_KWD_CONFIG
:"%"=%) \
1041 -T kwbimage
-a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
)
1043 MKIMAGEFLAGS_u-boot-spl.kwb
= -n
$(srctree
)/$(CONFIG_SYS_KWD_CONFIG
:"%"=%) \
1044 -T kwbimage
-a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
) \
1045 $(if
$(KEYDIR
),-k
$(KEYDIR
))
1047 MKIMAGEFLAGS_u-boot.pbl
= -n
$(srctree
)/$(CONFIG_SYS_FSL_PBL_RCW
:"%"=%) \
1048 -R
$(srctree
)/$(CONFIG_SYS_FSL_PBL_PBI
:"%"=%) -T pblimage
1050 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img
: \
1051 $(if
$(CONFIG_SPL_LOAD_FIT
),u-boot-nodtb.bin dts
/dt.dtb
,u-boot.bin
) FORCE
1052 $(call if_changed
,mkimage
)
1054 u-boot.itb
: u-boot-nodtb.bin dts
/dt.dtb
$(U_BOOT_ITS
) FORCE
1055 $(call if_changed
,mkfitimage
)
1057 u-boot-spl.kwb
: u-boot.img spl
/u-boot-spl.bin FORCE
1058 $(call if_changed
,mkimage
)
1060 u-boot.sha1
: u-boot.bin
1061 tools
/ubsha1 u-boot.bin
1064 $(OBJDUMP
) -d
$< > $@
1067 SPL_PAYLOAD
:= tpl
/u-boot-with-tpl.bin
1069 SPL_PAYLOAD
:= u-boot.bin
1072 OBJCOPYFLAGS_u-boot-with-spl.bin
= -I binary
-O binary \
1073 --pad-to
=$(CONFIG_SPL_PAD_TO
)
1074 u-boot-with-spl.bin
: spl
/u-boot-spl.bin
$(SPL_PAYLOAD
) FORCE
1075 $(call if_changed
,pad_cat
)
1077 MKIMAGEFLAGS_lpc32xx-spl.img
= -T lpc32xximage
-a
$(CONFIG_SPL_TEXT_BASE
)
1079 lpc32xx-spl.img
: spl
/u-boot-spl.bin FORCE
1080 $(call if_changed
,mkimage
)
1082 OBJCOPYFLAGS_lpc32xx-boot-0.bin
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
)
1084 lpc32xx-boot-0.bin
: lpc32xx-spl.img FORCE
1085 $(call if_changed
,objcopy
)
1087 OBJCOPYFLAGS_lpc32xx-boot-1.bin
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
)
1089 lpc32xx-boot-1.bin
: lpc32xx-spl.img FORCE
1090 $(call if_changed
,objcopy
)
1092 lpc32xx-full.bin
: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE
1093 $(call if_changed
,cat
)
1095 CLEAN_FILES
+= lpc32xx-
*
1097 OBJCOPYFLAGS_u-boot-with-tpl.bin
= -I binary
-O binary \
1098 --pad-to
=$(CONFIG_TPL_PAD_TO
)
1099 tpl
/u-boot-with-tpl.bin
: tpl
/u-boot-tpl.bin u-boot.bin FORCE
1100 $(call if_changed
,pad_cat
)
1102 SPL
: spl
/u-boot-spl.bin FORCE
1103 $(Q
)$(MAKE
) $(build
)=arch
/arm
/mach-imx
$@
1105 u-boot-with-spl.imx u-boot-with-nand-spl.imx
: SPL u-boot.bin FORCE
1106 $(Q
)$(MAKE
) $(build
)=arch
/arm
/mach-imx
$@
1108 MKIMAGEFLAGS_u-boot.ubl
= -n
$(UBL_CONFIG
) -T ublimage
-e
$(CONFIG_SYS_TEXT_BASE
)
1110 u-boot.ubl
: u-boot-with-spl.bin FORCE
1111 $(call if_changed
,mkimage
)
1113 MKIMAGEFLAGS_u-boot-spl.ais
= -s
-n
$(if
$(CONFIG_AIS_CONFIG_FILE
), \
1114 $(srctree
)/$(CONFIG_AIS_CONFIG_FILE
:"%"=%),"/dev/null") \
1115 -T aisimage
-e
$(CONFIG_SPL_TEXT_BASE
)
1116 spl
/u-boot-spl.ais
: spl
/u-boot-spl.bin FORCE
1117 $(call if_changed
,mkimage
)
1119 OBJCOPYFLAGS_u-boot.ais
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
)
1120 u-boot.ais
: spl
/u-boot-spl.ais u-boot.img FORCE
1121 $(call if_changed
,pad_cat
)
1123 u-boot-signed.sb
: u-boot.bin spl
/u-boot-spl.bin
1124 $(Q
)$(MAKE
) $(build
)=arch
/arm
/cpu
/arm926ejs
/mxs u-boot-signed.sb
1125 u-boot.sb
: u-boot.bin spl
/u-boot-spl.bin
1126 $(Q
)$(MAKE
) $(build
)=arch
/arm
/cpu
/arm926ejs
/mxs u-boot.sb
1128 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
1129 # Both images are created using mkimage (crc etc), so that the ROM
1130 # bootloader can check its integrity. Padding needs to be done to the
1131 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
1132 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
1133 # The resulting image containing both U-Boot images is called u-boot.spr
1134 MKIMAGEFLAGS_u-boot-spl.img
= -A
$(ARCH
) -T firmware
-C none \
1135 -a
$(CONFIG_SPL_TEXT_BASE
) -e
$(CONFIG_SPL_TEXT_BASE
) -n XLOADER
1136 spl
/u-boot-spl.img
: spl
/u-boot-spl.bin FORCE
1137 $(call if_changed
,mkimage
)
1139 OBJCOPYFLAGS_u-boot.spr
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
1141 u-boot.spr
: spl
/u-boot-spl.img u-boot.img FORCE
1142 $(call if_changed
,pad_cat
)
1144 ifneq ($(CONFIG_ARCH_SOCFPGA
),)
1145 quiet_cmd_socboot
= SOCBOOT
$@
1146 cmd_socboot
= cat spl
/u-boot-spl.sfp spl
/u-boot-spl.sfp \
1147 spl
/u-boot-spl.sfp spl
/u-boot-spl.sfp \
1148 u-boot.img
> $@ ||
rm -f
$@
1149 u-boot-with-spl.sfp
: spl
/u-boot-spl.sfp u-boot.img FORCE
1150 $(call if_changed
,socboot
)
1153 # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including
1154 # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in
1155 # the middle. This is handled by binman based on an image description in the
1156 # board's device tree.
1157 ifneq ($(CONFIG_X86_RESET_VECTOR
),)
1158 rom
: u-boot.rom FORCE
1160 refcode.bin
: $(srctree
)/board
/$(BOARDDIR
)/refcode.bin FORCE
1161 $(call if_changed
,copy
)
1163 quiet_cmd_ldr
= LD
$@
1164 cmd_ldr
= $(LD
) $(LDFLAGS_
$(@F
)) \
1165 $(filter-out FORCE
,$^
) -o
$@
1167 u-boot.rom
: u-boot-x86-16bit.bin u-boot.bin \
1168 $(if
$(CONFIG_SPL_X86_16BIT_INIT
),spl
/u-boot-spl.bin
) \
1169 $(if
$(CONFIG_HAVE_REFCODE
),refcode.bin
) FORCE
1170 $(call if_changed
,binman
)
1172 OBJCOPYFLAGS_u-boot-x86-16bit.bin
:= -O binary
-j .start16
-j .resetvec
1173 u-boot-x86-16bit.bin
: u-boot FORCE
1174 $(call if_changed
,objcopy
)
1177 ifneq ($(CONFIG_ARCH_SUNXI
),)
1178 u-boot-sunxi-with-spl.bin
: spl
/sunxi-spl.bin u-boot.img u-boot.dtb FORCE
1179 $(call if_changed
,binman
)
1182 ifneq ($(CONFIG_TEGRA
),)
1183 ifneq ($(CONFIG_BINMAN
),)
1184 u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin
: \
1185 spl
/u-boot-spl u-boot.bin FORCE
1186 $(call if_changed
,binman
)
1188 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin
= -O binary
--pad-to
=$(CONFIG_SYS_TEXT_BASE
)
1189 u-boot-nodtb-tegra.bin
: spl
/u-boot-spl u-boot-nodtb.bin FORCE
1190 $(call if_changed
,pad_cat
)
1192 OBJCOPYFLAGS_u-boot-tegra.bin
= -O binary
--pad-to
=$(CONFIG_SYS_TEXT_BASE
)
1193 u-boot-tegra.bin
: spl
/u-boot-spl u-boot.bin FORCE
1194 $(call if_changed
,pad_cat
)
1196 u-boot-dtb-tegra.bin
: u-boot-tegra.bin FORCE
1197 $(call if_changed
,copy
)
1201 OBJCOPYFLAGS_u-boot-app.efi
:= $(OBJCOPYFLAGS_EFI
)
1202 u-boot-app.efi
: u-boot FORCE
1203 $(call if_changed
,zobjcopy
)
1205 u-boot.bin.o
: u-boot.bin FORCE
1206 $(call if_changed
,efipayload
)
1208 u-boot-payload.lds
: $(LDSCRIPT_EFI
) FORCE
1209 $(call if_changed_dep
,cpp_lds
)
1211 # Rule to link the EFI payload which contains a stub and a U-Boot binary
1212 quiet_cmd_u-boot_payload ?
= LD
$@
1213 cmd_u-boot_payload ?
= $(LD
) $(LDFLAGS_EFI_PAYLOAD
) -o
$@ \
1214 -T u-boot-payload.lds arch
/x86
/cpu
/call32.o \
1215 lib
/efi
/efi.o lib
/efi
/efi_stub.o u-boot.bin.o \
1216 $(addprefix arch
/$(ARCH
)/lib
/,$(EFISTUB
))
1218 u-boot-payload
: u-boot.bin.o u-boot-payload.lds FORCE
1219 $(call if_changed
,u-boot_payload
)
1221 OBJCOPYFLAGS_u-boot-payload.efi
:= $(OBJCOPYFLAGS_EFI
)
1222 u-boot-payload.efi
: u-boot-payload FORCE
1223 $(call if_changed
,zobjcopy
)
1225 u-boot-img.bin
: spl
/u-boot-spl.bin u-boot.img FORCE
1226 $(call if_changed
,cat
)
1228 #Add a target to create boot binary having SPL binary in PBI format
1229 #concatenated with u-boot binary. It is need by PowerPC SoC having
1230 #internal SRAM <= 512KB.
1231 MKIMAGEFLAGS_u-boot-spl.pbl
= -n
$(srctree
)/$(CONFIG_SYS_FSL_PBL_RCW
:"%"=%) \
1232 -R
$(srctree
)/$(CONFIG_SYS_FSL_PBL_PBI
:"%"=%) -T pblimage \
1233 -A
$(ARCH
) -a
$(CONFIG_SPL_TEXT_BASE
)
1235 spl
/u-boot-spl.pbl
: spl
/u-boot-spl.bin FORCE
1236 $(call if_changed
,mkimage
)
1239 UBOOT_BINLOAD
:= u-boot.img
1241 UBOOT_BINLOAD
:= u-boot.bin
1244 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
1247 u-boot-with-spl-pbl.bin
: spl
/u-boot-spl.pbl
$(UBOOT_BINLOAD
) FORCE
1248 $(call if_changed
,pad_cat
)
1250 # PPC4xx needs the SPL at the end of the image, since the reset vector
1251 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
1252 # and need to introduce a new build target with the full blown U-Boot
1253 # at the start padded up to the start of the SPL image. And then concat
1254 # the SPL image to the end.
1256 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin
:= -I binary
-O binary \
1257 --pad-to
=$(CONFIG_UBOOT_PAD_TO
) --gap-fill
=0xff
1258 u-boot-img-spl-at-end.bin
: u-boot.img spl
/u-boot-spl.bin FORCE
1259 $(call if_changed
,pad_cat
)
1261 # Create a new ELF from a raw binary file.
1262 ifndef PLATFORM_ELFENTRY
1263 PLATFORM_ELFENTRY
= "_start"
1265 quiet_cmd_u-boot-elf ?
= LD
$@
1266 cmd_u-boot-elf ?
= $(LD
) u-boot-elf.o
-o
$@ \
1267 --defsym
=$(PLATFORM_ELFENTRY
)=$(CONFIG_SYS_TEXT_BASE
) \
1268 -Ttext
=$(CONFIG_SYS_TEXT_BASE
)
1269 u-boot.elf
: u-boot.bin
1270 $(Q
)$(OBJCOPY
) -I binary
$(PLATFORM_ELFFLAGS
) $< u-boot-elf.o
1271 $(call if_changed
,u-boot-elf
)
1273 ARCH_POSTLINK
:= $(wildcard $(srctree
)/arch
/$(ARCH
)/Makefile.postlink
)
1275 # Rule to link u-boot
1276 # May be overridden by arch/$(ARCH)/config.mk
1277 quiet_cmd_u-boot__ ?
= LD
$@
1278 cmd_u-boot__ ?
= $(LD
) $(LDFLAGS
) $(LDFLAGS_u-boot
) -o
$@ \
1279 -T u-boot.lds
$(u-boot-init
) \
1280 --start-group
$(u-boot-main
) --end-group \
1281 $(PLATFORM_LIBS
) -Map u-boot.map
; \
1282 $(if
$(ARCH_POSTLINK
), $(MAKE
) -f
$(ARCH_POSTLINK
) $@
, true
)
1284 quiet_cmd_smap
= GEN common
/system_map.o
1286 smap
=`$(call SYSTEM_MAP,u-boot) | \
1287 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
1288 $(CC
) $(c_flags
) -DSYSTEM_MAP
="\"$${smap}\"" \
1289 -c
$(srctree
)/common
/system_map.c
-o common
/system_map.o
1291 u-boot
: $(u-boot-init
) $(u-boot-main
) u-boot.lds FORCE
1292 +$(call if_changed
,u-boot__
)
1293 ifeq ($(CONFIG_KALLSYMS
),y
)
1295 $(call cmd
,u-boot__
) common
/system_map.o
1298 ifeq ($(CONFIG_RISCV
),y
)
1299 @tools
/prelink-riscv
$@
0
1302 quiet_cmd_sym ?
= SYM
$@
1303 cmd_sym ?
= $(OBJDUMP
) -t
$< > $@
1304 u-boot.sym
: u-boot FORCE
1305 $(call if_changed
,sym
)
1307 # The actual objects are generated when descending,
1308 # make sure no implicit rule kicks in
1309 $(sort $(u-boot-init
) $(u-boot-main
)): $(u-boot-dirs
) ;
1311 # Handle descending into subdirectories listed in $(vmlinux-dirs)
1312 # Preset locale variables to speed up the build process. Limit locale
1313 # tweaks to this spot to avoid wrong language settings when running
1314 # make menuconfig etc.
1315 # Error messages still appears in the original language
1317 PHONY
+= $(u-boot-dirs
)
1318 $(u-boot-dirs
): prepare scripts
1319 $(Q
)$(MAKE
) $(build
)=$@
1322 # The "tools" are needed early
1323 $(filter-out tools
, $(u-boot-dirs
)): tools
1324 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
1325 # is "yes"), so compile examples after U-Boot is compiled.
1326 examples
: $(filter-out examples
, $(u-boot-dirs
))
1328 define filechk_uboot.release
1329 echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1332 # Store (new) UBOOTRELEASE string in include/config/uboot.release
1333 include/config
/uboot.release
: include/config
/auto.conf FORCE
1334 $(call filechk
,uboot.release
)
1337 # Things we need to do before we recursively start building the kernel
1338 # or the modules are listed in "prepare".
1339 # A multi level approach is used. prepareN is processed before prepareN-1.
1340 # archprepare is used in arch Makefiles and when processed asm symlink,
1341 # version.h and scripts_basic is processed / created.
1343 # Listed in dependency order
1344 PHONY
+= prepare archprepare prepare0 prepare1 prepare2 prepare3
1346 # prepare3 is used to check if we are building in a separate output directory,
1348 # 1) Check that make has not been executed in the kernel src $(srctree)
1349 prepare3
: include/config
/uboot.release
1350 ifneq ($(KBUILD_SRC
),)
1351 @
$(kecho
) ' Using $(srctree) as source for U-Boot'
1352 $(Q
)if
[ -f
$(srctree
)/.config
-o
-d
$(srctree
)/include/config
]; then \
1353 echo
>&2 " $(srctree) is not clean, please run 'make mrproper'"; \
1354 echo
>&2 " in the '$(srctree)' directory.";\
1359 # prepare2 creates a makefile if using a separate output directory
1360 prepare2
: prepare3 outputmakefile
1362 prepare1
: prepare2
$(version_h
) $(timestamp_h
) \
1363 include/config
/auto.conf
1364 ifeq ($(wildcard $(LDSCRIPT
)),)
1365 @echo
>&2 " Could not find linker script."
1369 archprepare
: prepare1 scripts_basic
1371 prepare0
: archprepare FORCE
1372 $(Q
)$(MAKE
) $(build
)=.
1374 # All the preparing..
1377 # Generate some files
1378 # ---------------------------------------------------------------------------
1380 define filechk_version.h
1381 (echo \
#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
1382 echo \
#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
1383 echo \
#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \
1384 echo \
#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; )
1387 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date.
1388 # The BSD date on the other hand behaves different and would produce errors
1389 # with the misused '-d' switch. Respect that and search a working date with
1390 # well known pre- and suffixes for the GNU variant of date.
1391 define filechk_timestamp.h
1392 (if
test -n
"$${SOURCE_DATE_EPOCH}"; then \
1393 SOURCE_DATE
="@$${SOURCE_DATE_EPOCH}"; \
1395 for date in gdate date.gnu date
; do \
1396 $${date} -u
-d
"$${SOURCE_DATE}" >/dev
/null
2>&1 && DATE
="$${date}"; \
1398 if
test -n
"$${DATE}"; then \
1399 LC_ALL
=C
$${DATE} -u
-d
"$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
1400 LC_ALL
=C
$${DATE} -u
-d
"$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
1401 LC_ALL
=C
$${DATE} -u
-d
"$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
1402 LC_ALL
=C
$${DATE} -u
-d
"$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
1403 LC_ALL
=C
$${DATE} -u
-d
"$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
1408 LC_ALL
=C date
+'#define U_BOOT_DATE "%b %d %C%y"'; \
1409 LC_ALL
=C date
+'#define U_BOOT_TIME "%T"'; \
1410 LC_ALL
=C date
+'#define U_BOOT_TZ "%z"'; \
1411 LC_ALL
=C date
+'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
1412 LC_ALL
=C date
+'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
1416 $(version_h
): include/config
/uboot.release FORCE
1417 $(call filechk
,version.h
)
1419 $(timestamp_h
): $(srctree
)/Makefile FORCE
1420 $(call filechk
,timestamp.h
)
1422 # ---------------------------------------------------------------------------
1423 quiet_cmd_cpp_lds
= LDS
$@
1424 cmd_cpp_lds
= $(CPP
) -Wp
,-MD
,$(depfile
) $(cpp_flags
) $(LDPPFLAGS
) \
1425 -D__ASSEMBLY__
-x assembler-with-cpp
-P
-o
$@
$<
1427 u-boot.lds
: $(LDSCRIPT
) prepare FORCE
1428 $(call if_changed_dep
,cpp_lds
)
1430 spl
/u-boot-spl.bin
: spl
/u-boot-spl
1432 spl
/u-boot-spl
: tools prepare \
1433 $(if
$(CONFIG_OF_SEPARATE
)$(CONFIG_OF_EMBED
)$(CONFIG_SPL_OF_PLATDATA
),dts
/dt.dtb
) \
1434 $(if
$(CONFIG_OF_SEPARATE
)$(CONFIG_OF_EMBED
)$(CONFIG_TPL_OF_PLATDATA
),dts
/dt.dtb
)
1435 $(Q
)$(MAKE
) obj
=spl
-f
$(srctree
)/scripts
/Makefile.spl
all
1437 spl
/sunxi-spl.bin
: spl
/u-boot-spl
1440 spl
/sunxi-spl-with-ecc.bin
: spl
/sunxi-spl.bin
1443 spl
/u-boot-spl.sfp
: spl
/u-boot-spl
1446 spl
/boot.bin
: spl
/u-boot-spl
1449 tpl
/u-boot-tpl.bin
: tools prepare \
1450 $(if
$(CONFIG_OF_SEPARATE
)$(CONFIG_OF_EMBED
)$(CONFIG_SPL_OF_PLATDATA
),dts
/dt.dtb
)
1451 $(Q
)$(MAKE
) obj
=tpl
-f
$(srctree
)/scripts
/Makefile.spl
all
1453 TAG_SUBDIRS
:= $(patsubst %,$(srctree
)/%,$(u-boot-dirs
) include)
1459 ctags
-w
-o ctags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1460 -name '*.[chS]' -print`
1464 etags
-a
-o etags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1465 -name '*.[chS]' -print`
1467 $(FIND
) $(FINDFLAGS
) $(TAG_SUBDIRS
) -name
'*.[chS]' -print > \
1473 grep
-v
'\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
1476 @
$(call SYSTEM_MAP
,$<) > $@
1478 #########################################################################
1480 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
1481 # R_AARCH64_RELATIVE (64-bit).
1482 checkarmreloc
: u-boot
1483 @RELOC
="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
1484 grep R_A | sort -u`"; \
1485 if
test "$$RELOC" != "R_ARM_RELATIVE" -a \
1486 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
1487 echo
"$< contains unexpected relocations: $$RELOC"; \
1491 envtools
: scripts_basic
$(version_h
) $(timestamp_h
)
1492 $(Q
)$(MAKE
) $(build
)=tools
/env
1494 tools-only
: scripts_basic
$(version_h
) $(timestamp_h
)
1495 $(Q
)$(MAKE
) $(build
)=tools
1497 tools-all
: export HOST_TOOLS_ALL
=y
1498 tools-all
: envtools tools
;
1500 cross_tools
: export CROSS_BUILD_TOOLS
=y
1501 cross_tools
: tools
;
1505 git log
--no-merges U-Boot-1_1_5.. | \
1506 unexpand
-a | sed
-e
's/\s\s*$$//' > $@
1508 #########################################################################
1511 # Cleaning is done on three levels.
1512 # make clean Delete most generated files
1513 # Leave enough to build external modules
1514 # make mrproper Delete the current configuration, and all generated files
1515 # make distclean Remove editor backup files, patch leftover files and the like
1517 # Directories & files removed with 'make clean'
1518 CLEAN_DIRS
+= $(MODVERDIR
) \
1519 $(foreach d
, spl tpl
, $(patsubst %,$d/%, \
1520 $(filter-out include, $(shell ls
-1 $d 2>/dev
/null
))))
1522 CLEAN_FILES
+= include/bmp_logo.h
include/bmp_logo_data.h \
1523 boot
* u-boot
* MLO
* SPL System.map fit-dtb.blob
1525 # Directories & files removed with 'make mrproper'
1526 MRPROPER_DIRS
+= include/config
include/generated spl tpl \
1528 MRPROPER_FILES
+= .config .config.old
include/autoconf.mk
* include/config.h \
1529 ctags etags
tags TAGS cscope
* GPATH GTAGS GRTAGS GSYMS
1531 # clean - Delete most, but leave enough to build external modules
1533 clean: rm-dirs
:= $(CLEAN_DIRS
)
1534 clean: rm-files
:= $(CLEAN_FILES
)
1536 clean-dirs
:= $(foreach f
,$(u-boot-alldirs
),$(if
$(wildcard $(srctree
)/$f/Makefile
),$f))
1538 clean-dirs
:= $(addprefix _clean_
, $(clean-dirs
) doc
/DocBook
)
1540 PHONY
+= $(clean-dirs
) clean archclean
1542 $(Q
)$(MAKE
) $(clean)=$(patsubst _clean_
%,%,$@
)
1544 # TODO: Do not use *.cfgtmp
1545 clean: $(clean-dirs
)
1548 @find
$(if
$(KBUILD_EXTMOD
), $(KBUILD_EXTMOD
), .
) $(RCS_FIND_IGNORE
) \
1549 \
( -name
'*.[oas]' -o
-name
'*.ko' -o
-name
'.*.cmd' \
1550 -o
-name
'*.ko.*' -o
-name
'*.su' -o
-name
'*.cfgtmp' \
1551 -o
-name
'.*.d' -o
-name
'.*.tmp' -o
-name
'*.mod.c' \
1552 -o
-name
'*.symtypes' -o
-name
'modules.order' \
1553 -o
-name modules.builtin
-o
-name
'.tmp_*.o.*' \
1554 -o
-name
'dsdt.aml' -o
-name
'dsdt.asl.tmp' -o
-name
'dsdt.c' \
1555 -o
-name
'*.gcno' \
) -type f
-print | xargs
rm -f
1557 # mrproper - Delete all generated files, including .config
1559 mrproper
: rm-dirs
:= $(wildcard $(MRPROPER_DIRS
))
1560 mrproper
: rm-files
:= $(wildcard $(MRPROPER_FILES
))
1561 mrproper-dirs
:= $(addprefix _mrproper_
,scripts
)
1563 PHONY
+= $(mrproper-dirs
) mrproper archmrproper
1565 $(Q
)$(MAKE
) $(clean)=$(patsubst _mrproper_
%,%,$@
)
1567 mrproper
: clean $(mrproper-dirs
)
1570 @
rm -f arch
/*/include/asm
/arch
1577 @find
$(srctree
) $(RCS_FIND_IGNORE
) \
1578 \
( -name
'*.orig' -o
-name
'*.rej' -o
-name
'*~' \
1579 -o
-name
'*.bak' -o
-name
'#*#' -o
-name
'.*.orig' \
1580 -o
-name
'.*.rej' -o
-name
'*%' -o
-name
'core' \
1581 -o
-name
'*.pyc' \
) \
1582 -type f
-print | xargs
rm -f
1586 F
=`basename $(srctree)` ; cd ..
; \
1587 gtar
--force-local
-zcvf
`LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
1590 @echo
'Cleaning targets:'
1591 @echo
' clean - Remove most generated files but keep the config'
1592 @echo
' mrproper - Remove all generated files + config + various backup files'
1593 @echo
' distclean - mrproper + remove editor backup and patch files'
1595 @echo
'Configuration targets:'
1596 @
$(MAKE
) -f
$(srctree
)/scripts
/kconfig
/Makefile help
1598 @echo
'Other generic targets:'
1599 @echo
' all - Build all necessary images depending on configuration'
1600 @echo
' tests - Build U-Boot for sandbox and run tests'
1601 @echo
'* u-boot - Build the bare u-boot'
1602 @echo
' dir/ - Build all files in dir and below'
1603 @echo
' dir/file.[oisS] - Build specified target only'
1604 @echo
' dir/file.lst - Build specified mixed source/assembly target only'
1605 @echo
' (requires a recent binutils and recent build (System.map))'
1606 @echo
' tags/ctags - Generate ctags file for editors'
1607 @echo
' etags - Generate etags file for editors'
1608 @echo
' cscope - Generate cscope index'
1609 @echo
' ubootrelease - Output the release version string (use with make -s)'
1610 @echo
' ubootversion - Output the version stored in Makefile (use with make -s)'
1611 @echo
" cfg - Don't build, just create the .cfg files"
1612 @echo
" envtools - Build only the target-side environment tools"
1614 @echo
'Static analysers'
1615 @echo
' checkstack - Generate a list of stack hogs'
1616 @echo
' coccicheck - Execute static code analysis with Coccinelle'
1618 @echo
'Documentation targets:'
1619 @
$(MAKE
) -f
$(srctree
)/doc
/DocBook
/Makefile dochelp
1621 @echo
' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
1622 @echo
' make V=2 [targets] 2 => give reason for rebuild of target'
1623 @echo
' make O=dir [targets] Locate all output files in "dir", including .config'
1624 @echo
' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
1625 @echo
' make C=2 [targets] Force check of all c source with $$CHECK'
1626 @echo
' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
1627 @echo
' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
1628 @echo
' 1: warnings which may be relevant and do not occur too often'
1629 @echo
' 2: warnings which occur quite often but may still be relevant'
1630 @echo
' 3: more obscure warnings, can most likely be ignored'
1631 @echo
' Multiple levels can be combined with W=12 or W=123'
1633 @echo
'Execute "make" or "make all" to build all targets marked with [*] '
1634 @echo
'For further info see the ./README file'
1639 # Documentation targets
1640 # ---------------------------------------------------------------------------
1641 %docs
: scripts_basic FORCE
1642 $(Q
)$(MAKE
) $(build
)=scripts build_docproc
1643 $(Q
)$(MAKE
) $(build
)=doc
/DocBook
$@
1645 endif #ifeq ($(config-targets),1)
1646 endif #ifeq ($(mixed-targets),1)
1648 PHONY
+= checkstack ubootrelease ubootversion
1651 $(OBJDUMP
) -d u-boot
$$(find .
-name u-boot-spl
) | \
1652 $(PERL
) $(src
)/scripts
/checkstack.pl
$(ARCH
)
1655 @echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1658 @echo
$(UBOOTVERSION
)
1661 # ---------------------------------------------------------------------------
1662 # Single targets are compatible with:
1663 # - build with mixed source and output
1664 # - build with separate output dir 'make O=...'
1665 # - external modules
1667 # target-dir => where to store outputfile
1668 # build-dir => directory in kernel source tree to use
1670 ifeq ($(KBUILD_EXTMOD
),)
1671 build-dir
= $(patsubst %/,%,$(dir $@
))
1672 target-dir
= $(dir $@
)
1674 zap-slash
=$(filter-out .
,$(patsubst %/,%,$(dir $@
)))
1675 build-dir
= $(KBUILD_EXTMOD
)$(if
$(zap-slash
),/$(zap-slash
))
1676 target-dir
= $(if
$(KBUILD_EXTMOD
),$(dir $<),$(dir $@
))
1679 %.s
: %.c prepare scripts FORCE
1680 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1681 %.i
: %.c prepare scripts FORCE
1682 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1683 %.o
: %.c prepare scripts FORCE
1684 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1685 %.lst
: %.c prepare scripts FORCE
1686 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1687 %.s
: %.S prepare scripts FORCE
1688 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1689 %.o
: %.S prepare scripts FORCE
1690 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1691 %.symtypes
: %.c prepare scripts FORCE
1692 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1695 /: prepare scripts FORCE
1697 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1698 $(build
)=$(build-dir
)
1699 %/: prepare scripts FORCE
1701 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1702 $(build
)=$(build-dir
)
1703 %.ko
: prepare scripts FORCE
1705 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1706 $(build
)=$(build-dir
) $(@
:.ko
=.o
)
1707 $(Q
)$(MAKE
) -f
$(srctree
)/scripts
/Makefile.modpost
1709 # Consistency checks
1710 # ---------------------------------------------------------------------------
1715 $(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/$@
1717 # FIXME Should go into a make.lib or something
1718 # ===========================================================================
1720 quiet_cmd_rmdirs
= $(if
$(wildcard $(rm-dirs
)),CLEAN
$(wildcard $(rm-dirs
)))
1721 cmd_rmdirs
= rm -rf
$(rm-dirs
)
1723 quiet_cmd_rmfiles
= $(if
$(wildcard $(rm-files
)),CLEAN
$(wildcard $(rm-files
)))
1724 cmd_rmfiles
= rm -f
$(rm-files
)
1726 # read all saved command lines
1728 targets
:= $(wildcard $(sort $(targets
)))
1729 cmd_files
:= $(wildcard .
*.cmd
$(foreach f
,$(targets
),$(dir $(f
)).
$(notdir $(f
)).cmd
))
1731 ifneq ($(cmd_files
),)
1732 $(cmd_files
): ; # Do not try to update included dependency files
1733 include $(cmd_files
)
1736 endif # skip-makefile
1741 # Declare the contents of the .PHONY variable as phony. We keep that
1742 # information in a variable so we can use it in if_changed and friends.