2 # (C) Copyright 2000-2013
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # SPDX-License-Identifier: GPL-2.0+
15 # To see a list of typical targets execute "make help"
16 # More info can be located in ./README
17 # Comments in this file are targeted only to the developer, do not
18 # expect to learn how to build the kernel reading this file.
21 # o use make's built-in rules and variables
22 # (this increases performance and avoids hard-to-debug behaviour);
23 # o print "Entering directory ...";
24 MAKEFLAGS
+= -rR
--no-print-directory
26 # Avoid funny character set dependencies
30 export LC_COLLATE LC_NUMERIC
32 # We are using a recursive build, so we need to do a little thinking
33 # to get the ordering right.
35 # Most importantly: sub-Makefiles should only ever modify files in
36 # their own directory. If in some directory we have a dependency on
37 # a file in another dir (which doesn't happen often, but it's often
38 # unavoidable when linking the built-in.o targets which finally
39 # turn into vmlinux), we will call a sub make in that other dir, and
40 # after that we are sure that everything which is in that other dir
43 # The only cases where we need to modify files which have global
44 # effects are thus separated out and done before the recursive
45 # descending is started. They are now explicitly listed as the
48 # To put more focus on warnings, be less verbose as default
49 # Use 'make V=1' to see the full commands
51 ifeq ("$(origin V)", "command line")
58 # Call a source code checker (by default, "sparse") as part of the
61 # Use 'make C=1' to enable checking of only re-compiled files.
62 # Use 'make C=2' to enable checking of *all* source files, regardless
63 # of whether they are re-compiled or not.
65 # See the file "Documentation/sparse.txt" for more details, including
66 # where to get the "sparse" utility.
68 ifeq ("$(origin C)", "command line")
69 KBUILD_CHECKSRC
= $(C
)
71 ifndef KBUILD_CHECKSRC
75 # Use make M=dir to specify directory of external module to build
76 # Old syntax make ... SUBDIRS=$PWD is still supported
77 # Setting the environment variable KBUILD_EXTMOD take precedence
79 KBUILD_EXTMOD ?
= $(SUBDIRS
)
82 ifeq ("$(origin M)", "command line")
86 # kbuild supports saving output files in a separate directory.
87 # To locate output files in a separate directory two syntaxes are supported.
88 # In both cases the working directory must be the root of the kernel src.
90 # Use "make O=dir/to/store/output/files/"
92 # 2) Set KBUILD_OUTPUT
93 # Set the environment variable KBUILD_OUTPUT to point to the directory
94 # where the output files shall be placed.
95 # export KBUILD_OUTPUT=dir/to/store/output/files/
98 # The O= assignment takes precedence over the KBUILD_OUTPUT environment
102 # KBUILD_SRC is set on invocation of make in OBJ directory
103 # KBUILD_SRC is not intended to be used by the regular user (for now)
104 ifeq ($(KBUILD_SRC
),)
106 # OK, Make called in directory where kernel src resides
107 # Do we want to locate output files in a separate directory?
108 ifeq ("$(origin O)", "command line")
109 KBUILD_OUTPUT
:= $(O
)
112 # That's our default target when none is given on the command line
116 # Cancel implicit rules on top Makefile
117 $(CURDIR
)/Makefile Makefile
: ;
119 ifneq ($(KBUILD_OUTPUT
),)
120 # Invoke a second make in the output directory, passing relevant variables
121 # check that the output directory actually exists
122 saved-output
:= $(KBUILD_OUTPUT
)
123 KBUILD_OUTPUT
:= $(shell mkdir
-p
$(KBUILD_OUTPUT
) && cd
$(KBUILD_OUTPUT
) \
125 $(if
$(KBUILD_OUTPUT
),, \
126 $(error failed to create output directory
"$(saved-output)"))
128 PHONY
+= $(MAKECMDGOALS
) sub-make
130 $(filter-out _all sub-make
$(CURDIR
)/Makefile
, $(MAKECMDGOALS
)) _all
: sub-make
134 $(if
$(KBUILD_VERBOSE
:1=),@
)$(MAKE
) -C
$(KBUILD_OUTPUT
) \
135 KBUILD_SRC
=$(CURDIR
) \
136 KBUILD_EXTMOD
="$(KBUILD_EXTMOD)" -f
$(CURDIR
)/Makefile \
137 $(filter-out _all sub-make
,$(MAKECMDGOALS
))
139 # Leave processing to above invocation of make
141 endif # ifneq ($(KBUILD_OUTPUT),)
142 endif # ifeq ($(KBUILD_SRC),)
144 # We process the rest of the Makefile if this is the final invocation of make
145 ifeq ($(skip-makefile
),)
147 # If building an external module we do not care about the all: rule
148 # but instead _all depend on modules
150 ifeq ($(KBUILD_EXTMOD
),)
156 srctree
:= $(if
$(KBUILD_SRC
),$(KBUILD_SRC
),$(CURDIR
))
161 VPATH
:= $(srctree
)$(if
$(KBUILD_EXTMOD
),:$(KBUILD_EXTMOD
))
163 export srctree objtree VPATH
165 # Make sure CDPATH settings don't interfere
168 #########################################################################
170 HOSTARCH
:= $(shell uname
-m | \
172 -e s
/sun4u
/sparc64
/ \
175 -e s
/ppc64
/powerpc
/ \
177 -e s
/macppc
/powerpc
/\
180 HOSTOS
:= $(shell uname
-s | tr
'[:upper:]' '[:lower:]' | \
181 sed
-e
's/\(cygwin\).*/cygwin/')
183 export HOSTARCH HOSTOS
185 #########################################################################
187 # set default to nothing for native builds
188 ifeq ($(HOSTARCH
),$(ARCH
))
192 KCONFIG_CONFIG ?
= .config
193 export KCONFIG_CONFIG
195 # SHELL used by kbuild
196 CONFIG_SHELL
:= $(shell if
[ -x
"$$BASH" ]; then echo
$$BASH; \
197 else if
[ -x
/bin
/bash
]; then echo
/bin
/bash
; \
198 else echo sh
; fi
; fi
)
202 HOSTCFLAGS
= -Wall
-Wstrict-prototypes
-O2
-fomit-frame-pointer
205 ifeq ($(HOSTOS
),cygwin
)
209 # Mac OS X / Darwin's C preprocessor is Apple specific. It
210 # generates numerous errors and warnings. We want to bypass it
211 # and use GNU C's cpp. To do this we pass the -traditional-cpp
212 # option to the compiler. Note that the -traditional-cpp flag
213 # DOES NOT have the same semantics as GNU C's flag, all it does
214 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
216 # Apple's linker is similar, thanks to the new 2 stage linking
217 # multiple symbol definitions are treated as errors, hence the
218 # -multiply_defined suppress option to turn off this error.
220 ifeq ($(HOSTOS
),darwin
)
221 # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
222 DARWIN_MAJOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
1 -d
'.')
223 DARWIN_MINOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
2 -d
'.')
225 os_x_before
= $(shell if
[ $(DARWIN_MAJOR_VERSION
) -le
$(1) -a \
226 $(DARWIN_MINOR_VERSION
) -le
$(2) ] ; then echo
"$(3)"; else echo
"$(4)"; fi
;)
228 # Snow Leopards build environment has no longer restrictions as described above
229 HOSTCC
= $(call os_x_before
, 10, 5, "cc", "gcc")
230 HOSTCFLAGS
+= $(call os_x_before
, 10, 4, "-traditional-cpp")
231 HOSTLDFLAGS
+= $(call os_x_before
, 10, 5, "-multiply_defined suppress")
234 # Decide whether to build built-in, modular, or both.
235 # Normally, just do built-in.
240 # If we have only "make modules", don't compile built-in objects.
241 # When we're building modules with modversions, we need to consider
242 # the built-in objects during the descend as well, in order to
243 # make sure the checksums are up to date before we record them.
245 ifeq ($(MAKECMDGOALS
),modules
)
246 KBUILD_BUILTIN
:= $(if
$(CONFIG_MODVERSIONS
),1)
249 # If we have "make <whatever> modules", compile modules
250 # in addition to whatever we do anyway.
251 # Just "make" or "make all" shall build modules as well
253 # U-Boot does not need modules
254 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
255 # KBUILD_MODULES := 1
258 #ifeq ($(MAKECMDGOALS),)
259 # KBUILD_MODULES := 1
262 export KBUILD_MODULES KBUILD_BUILTIN
263 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
266 # ---------------------------------------------------------------------------
268 # Normally, we echo the whole command before executing it. By making
269 # that echo $($(quiet)$(cmd)), we now have the possibility to set
270 # $(quiet) to choose other forms of output instead, e.g.
272 # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
273 # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
275 # If $(quiet) is empty, the whole command will be printed.
276 # If it is set to "quiet_", only the short version will be printed.
277 # If it is set to "silent_", nothing will be printed at all, since
278 # the variable $(silent_cmd_cc_o_c) doesn't exist.
280 # A simple variant is to prefix commands with $(Q) - that's useful
281 # for commands that shall be hidden in non-verbose mode.
285 # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
286 # If KBUILD_VERBOSE equals 1 then the above command is displayed.
288 ifeq ($(KBUILD_VERBOSE
),1)
296 # If the user is running make -s (silent mode), suppress echoing of
299 ifneq ($(filter 4.
%,$(MAKE_VERSION
)),) # make-4
300 ifneq ($(filter %s
,$(firstword x
$(MAKEFLAGS
))),)
304 ifneq ($(filter s
% -s
%,$(MAKEFLAGS
)),)
309 export quiet Q KBUILD_VERBOSE
311 # Look for make include files relative to root of kernel src
312 MAKEFLAGS
+= --include-dir
=$(srctree
)
314 # We need some generic definitions (do not try to remake the file).
315 $(srctree
)/scripts
/Kbuild.
include: ;
316 include $(srctree
)/scripts
/Kbuild.
include
318 # Make variables (CC, etc...)
320 AS
= $(CROSS_COMPILE
)as
322 ifneq ($(shell $(CROSS_COMPILE
)ld.bfd
-v
2> /dev
/null
),)
323 LD
= $(CROSS_COMPILE
)ld.bfd
325 LD
= $(CROSS_COMPILE
)ld
327 CC
= $(CROSS_COMPILE
)gcc
329 AR
= $(CROSS_COMPILE
)ar
330 NM
= $(CROSS_COMPILE
)nm
331 LDR
= $(CROSS_COMPILE
)ldr
332 STRIP
= $(CROSS_COMPILE
)strip
333 OBJCOPY
= $(CROSS_COMPILE
)objcopy
334 OBJDUMP
= $(CROSS_COMPILE
)objdump
341 CHECKFLAGS
:= -D__linux__
-Dlinux
-D__STDC__
-Dunix
-D__unix__ \
342 -Wbitwise
-Wno-return-void
-D__CHECK_ENDIAN__
$(CF
)
344 KBUILD_CPPFLAGS
:= -D__KERNEL__
-D__UBOOT__
346 KBUILD_CFLAGS
:= -Wall
-Wstrict-prototypes \
347 -Wno-format-security \
348 -fno-builtin
-ffreestanding
349 KBUILD_AFLAGS
:= -D__ASSEMBLY__
351 # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
352 UBOOTRELEASE
= $(shell cat
include/config
/uboot.release
2> /dev
/null
)
353 UBOOTVERSION
= $(VERSION
)$(if
$(PATCHLEVEL
),.
$(PATCHLEVEL
)$(if
$(SUBLEVEL
),.
$(SUBLEVEL
)))$(EXTRAVERSION
)
355 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
356 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
357 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
358 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
359 export MAKE AWK PERL PYTHON
360 export HOSTCXX HOSTCXXFLAGS DTC CHECK CHECKFLAGS
362 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
363 export KBUILD_CFLAGS KBUILD_AFLAGS
365 # When compiling out-of-tree modules, put MODVERDIR in the module
366 # tree rather than in the kernel tree. The kernel tree might
368 export MODVERDIR
:= $(if
$(KBUILD_EXTMOD
),$(firstword $(KBUILD_EXTMOD
))/).tmp_versions
370 # Files to ignore in find ... statements
372 export RCS_FIND_IGNORE
:= \
( -name SCCS
-o
-name BitKeeper
-o
-name .svn
-o \
373 -name CVS
-o
-name .
pc -o
-name .hg
-o
-name .git \
) \
375 export RCS_TAR_IGNORE
:= --exclude SCCS
--exclude BitKeeper
--exclude .svn \
376 --exclude CVS
--exclude .
pc --exclude .hg
--exclude .git
378 # ===========================================================================
379 # Rules shared between *config targets and build targets
381 # Basic helpers built in scripts/
382 PHONY
+= scripts_basic
384 $(Q
)$(MAKE
) $(build
)=scripts
/basic
385 $(Q
)rm -f .tmp_quiet_recordmcount
387 # To avoid any implicit rule to kick in, define an empty command.
388 scripts
/basic
/%: scripts_basic
;
390 PHONY
+= outputmakefile
391 # outputmakefile generates a Makefile in the output directory, if using a
392 # separate output directory. This allows convenient use of make in the
395 ifneq ($(KBUILD_SRC
),)
396 $(Q
)ln
-fsn
$(srctree
) source
397 $(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/mkmakefile \
398 $(srctree
) $(objtree
) $(VERSION
) $(PATCHLEVEL
)
401 # To make sure we do not include .config for any of the *config targets
402 # catch them early, and hand them over to scripts/kconfig/Makefile
403 # It is allowed to specify more targets when calling make, including
404 # mixing *config targets and build targets.
405 # For example 'make oldconfig all'.
406 # Detect when mixed targets is specified, and make a second invocation
407 # of make so .config is not included in this case either (for *config).
409 version_h
:= include/generated
/version_autogenerated.h
410 timestamp_h
:= include/generated
/timestamp_autogenerated.h
412 no-dot-config-targets
:= clean clobber mrproper
distclean \
413 help
%docs
check% coccicheck \
420 ifneq ($(filter $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
421 ifeq ($(filter-out $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
426 ifeq ($(KBUILD_EXTMOD
),)
427 ifneq ($(filter config
%config
,$(MAKECMDGOALS
)),)
429 ifneq ($(filter-out config
%config
,$(MAKECMDGOALS
)),)
435 ifeq ($(mixed-targets
),1)
436 # ===========================================================================
437 # We're called with mixed targets (*config and build targets).
438 # Handle them one by one.
440 PHONY
+= $(MAKECMDGOALS
) __build_one_by_one
442 $(filter-out __build_one_by_one
, $(MAKECMDGOALS
)): __build_one_by_one
447 for i in
$(MAKECMDGOALS
); do \
448 $(MAKE
) -f
$(srctree
)/Makefile
$$i; \
452 ifeq ($(config-targets
),1)
453 # ===========================================================================
454 # *config targets only - make sure prerequisites are updated, and descend
455 # in scripts/kconfig to make the *config target
457 KBUILD_DEFCONFIG
:= sandbox_defconfig
458 export KBUILD_DEFCONFIG KBUILD_KCONFIG
460 config
: scripts_basic outputmakefile FORCE
461 +$(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/multiconfig.sh
$@
463 %config
: scripts_basic outputmakefile FORCE
464 +$(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/multiconfig.sh
$@
467 # ===========================================================================
468 # Build targets only - this includes vmlinux, arch specific targets, clean
469 # targets and others. In general all targets except *config targets.
471 ifeq ($(dot-config
),1)
473 -include include/config
/auto.conf
475 # Read in dependencies to all Kconfig* files, make sure to run
476 # oldconfig if changes are detected.
477 -include include/config
/auto.conf.cmd
479 # To avoid any implicit rule to kick in, define an empty command
480 $(KCONFIG_CONFIG
) include/config
/auto.conf.cmd
: ;
482 # If .config is newer than include/config/auto.conf, someone tinkered
483 # with it and forgot to run make oldconfig.
484 # if auto.conf.cmd is missing then we are probably in a cleaned tree so
485 # we execute the config step to be sure to catch updated Kconfig files
486 include/config
/%.conf
: $(KCONFIG_CONFIG
) include/config
/auto.conf.cmd
487 $(Q
)$(MAKE
) -f
$(srctree
)/Makefile silentoldconfig
489 -include include/autoconf.mk
490 -include include/autoconf.mk.dep
492 # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
493 # is up-to-date. When we switch to a different board configuration, old CONFIG
494 # macros are still remaining in include/config/auto.conf. Without the following
495 # gimmick, wrong config.mk would be included leading nasty warnings/errors.
496 autoconf_is_current
:= $(if
$(wildcard $(KCONFIG_CONFIG
)),$(shell find . \
497 -path .
/include/config
/auto.conf
-newer
$(KCONFIG_CONFIG
)))
498 ifneq ($(autoconf_is_current
),)
499 include $(srctree
)/config.mk
502 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
503 # that (or fail if absent). Otherwise, search for a linker script in a
507 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
508 ifdef CONFIG_SYS_LDSCRIPT
509 # need to strip off double quotes
510 LDSCRIPT
:= $(srctree
)/$(CONFIG_SYS_LDSCRIPT
:"%"=%)
514 # If there is no specified link script, we look in a number of places for it
516 ifeq ($(wildcard $(LDSCRIPT
)),)
517 LDSCRIPT
:= $(srctree
)/board
/$(BOARDDIR
)/u-boot.lds
519 ifeq ($(wildcard $(LDSCRIPT
)),)
520 LDSCRIPT
:= $(srctree
)/$(CPUDIR
)/u-boot.lds
522 ifeq ($(wildcard $(LDSCRIPT
)),)
523 LDSCRIPT
:= $(srctree
)/arch
/$(ARCH
)/cpu
/u-boot.lds
528 # Dummy target needed, because used as prerequisite
529 include/config
/auto.conf
: ;
530 endif # $(dot-config)
532 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
539 KBUILD_CFLAGS
+= -DBUILD_TAG
='"$(BUILD_TAG)"'
542 KBUILD_CFLAGS
+= $(call cc-option
,-fno-stack-protector
)
545 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
546 # option to the assembler.
549 # Report stack usage if supported
550 ifeq ($(shell $(CONFIG_SHELL
) $(srctree
)/scripts
/gcc-stack-usage.sh
$(CC
)),y
)
551 KBUILD_CFLAGS
+= -fstack-usage
554 KBUILD_CFLAGS
+= $(call cc-option
,-Wno-format-nonliteral
)
556 # turn jbsr into jsr for m68k
558 ifeq ($(findstring 3.4,$(shell $(CC
) --version
)),3.4)
559 KBUILD_AFLAGS
+= -Wa
,-gstabs
,-S
563 # Prohibit date/time macros, which would make the build non-deterministic
564 KBUILD_CFLAGS
+= $(call cc-option
,-Werror
=date-time
)
566 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
567 KBUILD_CPPFLAGS
+= -DCONFIG_SYS_TEXT_BASE
=$(CONFIG_SYS_TEXT_BASE
)
570 export CONFIG_SYS_TEXT_BASE
572 include $(srctree
)/scripts
/Makefile.extrawarn
574 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
575 KBUILD_CPPFLAGS
+= $(KCPPFLAGS
)
576 KBUILD_AFLAGS
+= $(KAFLAGS
)
577 KBUILD_CFLAGS
+= $(KCFLAGS
)
579 # Use UBOOTINCLUDE when you must reference the include/ directory.
580 # Needed to be compatible with the O= option
583 $(if
$(KBUILD_SRC
), -I
$(srctree
)/include) \
584 -I
$(srctree
)/arch
/$(ARCH
)/include \
585 -include $(srctree
)/include/linux
/kconfig.h
587 NOSTDINC_FLAGS
+= -nostdinc
-isystem
$(shell $(CC
) -print-file-name
=include)
588 CHECKFLAGS
+= $(NOSTDINC_FLAGS
)
591 cpp_flags
:= $(KBUILD_CPPFLAGS
) $(PLATFORM_CPPFLAGS
) $(UBOOTINCLUDE
) \
593 c_flags
:= $(KBUILD_CFLAGS
) $(cpp_flags
)
595 #########################################################################
596 # U-Boot objects....order is important (i.e. start must be first)
598 head-y
:= $(CPUDIR
)/start.o
599 head-
$(CONFIG_4xx
) += arch
/powerpc
/cpu
/ppc4xx
/resetvec.o
600 head-
$(CONFIG_MPC85xx
) += arch
/powerpc
/cpu
/mpc85xx
/resetvec.o
602 HAVE_VENDOR_COMMON_LIB
= $(if
$(wildcard $(srctree
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
605 libs-
$(HAVE_VENDOR_COMMON_LIB
) += board
/$(VENDOR
)/common
/
608 libs-y
+= $(CPUDIR
)/$(SOC
)/
610 libs-
$(CONFIG_OF_EMBED
) += dts
/
611 libs-y
+= arch
/$(ARCH
)/lib
/
616 libs-y
+= drivers
/dma
/
617 libs-y
+= drivers
/gpio
/
618 libs-y
+= drivers
/i2c
/
619 libs-y
+= drivers
/mmc
/
620 libs-y
+= drivers
/mtd
/
621 libs-
$(CONFIG_CMD_NAND
) += drivers
/mtd
/nand
/
622 libs-y
+= drivers
/mtd
/onenand
/
623 libs-
$(CONFIG_CMD_UBI
) += drivers
/mtd
/ubi
/
624 libs-y
+= drivers
/mtd
/spi
/
625 libs-y
+= drivers
/net
/
626 libs-y
+= drivers
/net
/phy
/
627 libs-y
+= drivers
/pci
/
628 libs-y
+= drivers
/power
/ \
629 drivers
/power
/fuel_gauge
/ \
631 drivers
/power
/pmic
/ \
632 drivers
/power
/battery
/
633 libs-y
+= drivers
/spi
/
634 libs-
$(CONFIG_FMAN_ENET
) += drivers
/net
/fm
/
635 libs-
$(CONFIG_SYS_FSL_DDR
) += drivers
/ddr
/fsl
/
636 libs-y
+= drivers
/serial
/
637 libs-y
+= drivers
/usb
/eth
/
638 libs-y
+= drivers
/usb
/gadget
/
639 libs-y
+= drivers
/usb
/host
/
640 libs-y
+= drivers
/usb
/musb
/
641 libs-y
+= drivers
/usb
/musb-new
/
642 libs-y
+= drivers
/usb
/phy
/
643 libs-y
+= drivers
/usb
/ulpi
/
645 libs-y
+= lib
/libfdt
/
646 libs-
$(CONFIG_API
) += api
/
647 libs-
$(CONFIG_HAS_POST
) += post
/
651 ifneq (,$(filter $(SOC
), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610
))
652 libs-y
+= arch
/$(ARCH
)/imx-common
/
655 ifneq (,$(filter $(SOC
), armada-xp kirkwood
))
656 libs-y
+= arch
/$(ARCH
)/mvebu-common
/
659 libs-
$(CONFIG_ARM
) += arch
/arm
/cpu
/
660 libs-
$(CONFIG_PPC
) += arch
/powerpc
/cpu
/
662 libs-y
+= $(if
$(BOARDDIR
),board
/$(BOARDDIR
)/)
664 libs-y
:= $(sort $(libs-y
))
666 u-boot-dirs
:= $(patsubst %/,%,$(filter %/, $(libs-y
))) tools examples
668 u-boot-alldirs
:= $(sort $(u-boot-dirs
) $(patsubst %/,%,$(filter %/, $(libs-
))))
670 libs-y
:= $(patsubst %/, %/built-in.o
, $(libs-y
))
672 u-boot-init
:= $(head-y
)
673 u-boot-main
:= $(libs-y
)
677 ifdef CONFIG_USE_PRIVATE_LIBGCC
678 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC
),y
)
679 PLATFORM_LIBGCC
= arch
/$(ARCH
)/lib
/lib.a
681 PLATFORM_LIBGCC
= -L
$(CONFIG_USE_PRIVATE_LIBGCC
) -lgcc
684 PLATFORM_LIBGCC
:= -L
$(shell dirname
`$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
686 PLATFORM_LIBS
+= $(PLATFORM_LIBGCC
)
688 export PLATFORM_LIBGCC
690 # Special flags for CPP when processing the linker script.
691 # Pass the version down so we can handle backwards compatibility
694 -include $(srctree
)/include/u-boot
/u-boot.lds.h \
696 $(shell $(LD
) --version | \
697 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
699 #########################################################################
700 #########################################################################
702 ifneq ($(CONFIG_BOARD_SIZE_LIMIT
),)
704 @actual
=`wc -c $@ | awk '{print $$1}'`; \
705 limit
=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
706 if
test $$actual -gt
$$limit; then \
707 echo
"$@ exceeds file size limit:" >&2 ; \
708 echo
" limit: $$limit bytes" >&2 ; \
709 echo
" actual: $$actual bytes" >&2 ; \
710 echo
" excess: $$((actual - limit)) bytes" >&2; \
717 # Statically apply RELA-style relocations (currently arm64 only)
718 ifneq ($(CONFIG_STATIC_RELA
),)
719 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
721 start
=$$($(NM
) $(1) | grep __rel_dyn_start | cut
-f
1 -d
' '); \
722 end
=$$($(NM
) $(1) | grep __rel_dyn_end | cut
-f
1 -d
' '); \
723 tools
/relocate-rela
$(2) $(3) $$start $$end
728 # Always append ALL so that arch config.mk's can add custom ones
729 ALL-y
+= u-boot.srec u-boot.bin System.map binary_size_check
731 ALL-
$(CONFIG_ONENAND_U_BOOT
) += u-boot-onenand.bin
732 ifeq ($(CONFIG_SPL_FSL_PBL
),y
)
733 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot-with-spl-pbl.bin
735 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot.pbl
737 ALL-
$(CONFIG_SPL
) += spl
/u-boot-spl.bin
738 ALL-
$(CONFIG_SPL_FRAMEWORK
) += u-boot.img
739 ALL-
$(CONFIG_TPL
) += tpl
/u-boot-tpl.bin
740 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot.dtb u-boot-dtb.bin
741 ifeq ($(CONFIG_SPL_FRAMEWORK
),y
)
742 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot-dtb.img
744 ALL-
$(CONFIG_OF_HOSTFILE
) += u-boot.dtb
745 ifneq ($(CONFIG_SPL_TARGET
),)
746 ALL-
$(CONFIG_SPL
) += $(CONFIG_SPL_TARGET
:"%"=%)
748 ALL-
$(CONFIG_REMAKE_ELF
) += u-boot.elf
750 # enable combined SPL/u-boot/dtb rules for tegra
751 ifneq ($(CONFIG_TEGRA
),)
752 ifeq ($(CONFIG_SPL
),y
)
753 ifeq ($(CONFIG_OF_SEPARATE
),y
)
754 ALL-y
+= u-boot-dtb-tegra.bin
756 ALL-y
+= u-boot-nodtb-tegra.bin
761 # Add optional build target if defined in board/cpu/soc headers
762 ifneq ($(CONFIG_BUILD_TARGET
),)
763 ALL-y
+= $(CONFIG_BUILD_TARGET
:"%"=%)
766 LDFLAGS_u-boot
+= $(LDFLAGS_FINAL
)
767 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
768 LDFLAGS_u-boot
+= -Ttext
$(CONFIG_SYS_TEXT_BASE
)
771 quiet_cmd_objcopy
= OBJCOPY
$@
772 cmd_objcopy
= $(OBJCOPY
) $(OBJCOPYFLAGS
) $(OBJCOPYFLAGS_
$(@F
)) $< $@
774 quiet_cmd_mkimage
= MKIMAGE
$@
775 cmd_mkimage
= $(objtree
)/tools
/mkimage
$(MKIMAGEFLAGS_
$(@F
)) -d
$< $@ \
776 $(if
$(KBUILD_VERBOSE
:1=), >/dev
/null
)
778 quiet_cmd_cat
= CAT
$@
779 cmd_cat
= cat
$(filter-out $(PHONY
), $^
) > $@
781 append
= cat
$(filter-out $< $(PHONY
), $^
) >> $@
783 quiet_cmd_pad_cat
= CAT
$@
784 cmd_pad_cat
= $(cmd_objcopy
) && $(append
) ||
rm -f
$@
789 dtbs dts
/dt.dtb
: checkdtc u-boot
790 $(Q
)$(MAKE
) $(build
)=dts dtbs
792 u-boot-dtb.bin
: u-boot.bin dts
/dt.dtb FORCE
793 $(call if_changed
,cat
)
796 $(Q
)$(MAKE
) $(build
)=arch
/arm
/imx-common
$@
798 quiet_cmd_copy
= COPY
$@
801 u-boot.dtb
: dts
/dt.dtb
804 OBJCOPYFLAGS_u-boot.hex
:= -O ihex
806 OBJCOPYFLAGS_u-boot.srec
:= -O srec
808 u-boot.hex u-boot.srec
: u-boot FORCE
809 $(call if_changed
,objcopy
)
811 OBJCOPYFLAGS_u-boot.bin
:= -O binary
813 binary_size_check
: u-boot.bin FORCE
814 @file_size
=$(shell wc
-c u-boot.bin | awk
'{print $$1}') ; \
815 map_size
=$(shell cat u-boot.map | \
816 awk
'/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \
819 if
[ "" != "$$map_size" ]; then \
820 if
test $$map_size -ne
$$file_size; then \
821 echo
"u-boot.map shows a binary size of $$map_size" >&2 ; \
822 echo
" but u-boot.bin shows $$file_size" >&2 ; \
827 u-boot.bin
: u-boot FORCE
828 $(call if_changed
,objcopy
)
829 $(call DO_STATIC_RELA
,$<,$@
,$(CONFIG_SYS_TEXT_BASE
))
834 $(LDR
) -T
$(CONFIG_BFIN_CPU
) -c
$@
$< $(LDR_FLAGS
)
837 OBJCOPYFLAGS_u-boot.ldr.hex
:= -I binary
-O ihex
839 OBJCOPYFLAGS_u-boot.ldr.srec
:= -I binary
-O srec
841 u-boot.ldr.hex u-boot.ldr.srec
: u-boot.ldr FORCE
842 $(call if_changed
,objcopy
)
845 # U-Boot entry point, needed for booting of full-blown U-Boot
846 # from the SPL U-Boot version.
848 ifndef CONFIG_SYS_UBOOT_START
849 CONFIG_SYS_UBOOT_START
:= 0
852 MKIMAGEFLAGS_u-boot.img
= -A
$(ARCH
) -T firmware
-C none
-O u-boot \
853 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_UBOOT_START
) \
854 -n
"U-Boot $(UBOOTRELEASE) for $(BOARD) board"
856 MKIMAGEFLAGS_u-boot.kwb
= -n
$(srctree
)/$(CONFIG_SYS_KWD_CONFIG
:"%"=%) \
857 -T kwbimage
-a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
)
859 MKIMAGEFLAGS_u-boot.pbl
= -n
$(srctree
)/$(CONFIG_SYS_FSL_PBL_RCW
:"%"=%) \
860 -R
$(srctree
)/$(CONFIG_SYS_FSL_PBL_PBI
:"%"=%) -T pblimage
862 u-boot.img u-boot.kwb u-boot.pbl
: u-boot.bin FORCE
863 $(call if_changed
,mkimage
)
865 MKIMAGEFLAGS_u-boot-dtb.img
= $(MKIMAGEFLAGS_u-boot.img
)
867 u-boot-dtb.img
: u-boot-dtb.bin FORCE
868 $(call if_changed
,mkimage
)
870 u-boot.sha1
: u-boot.bin
871 tools
/ubsha1 u-boot.bin
874 $(OBJDUMP
) -d
$< > $@
877 SPL_PAYLOAD
:= tpl
/u-boot-with-tpl.bin
879 SPL_PAYLOAD
:= u-boot.bin
882 OBJCOPYFLAGS_u-boot-with-spl.bin
= -I binary
-O binary \
883 --pad-to
=$(CONFIG_SPL_PAD_TO
)
884 u-boot-with-spl.bin
: spl
/u-boot-spl.bin
$(SPL_PAYLOAD
) FORCE
885 $(call if_changed
,pad_cat
)
887 OBJCOPYFLAGS_u-boot-with-tpl.bin
= -I binary
-O binary \
888 --pad-to
=$(CONFIG_TPL_PAD_TO
)
889 tpl
/u-boot-with-tpl.bin
: tpl
/u-boot-tpl.bin u-boot.bin FORCE
890 $(call if_changed
,pad_cat
)
892 SPL
: spl
/u-boot-spl.bin FORCE
893 $(Q
)$(MAKE
) $(build
)=arch
/arm
/imx-common
$@
895 u-boot-with-spl.imx u-boot-with-nand-spl.imx
: SPL u-boot.bin FORCE
896 $(Q
)$(MAKE
) $(build
)=arch
/arm
/imx-common
$@
898 MKIMAGEFLAGS_u-boot.ubl
= -n
$(UBL_CONFIG
) -T ublimage
-e
$(CONFIG_SYS_TEXT_BASE
)
900 u-boot.ubl
: u-boot-with-spl.bin FORCE
901 $(call if_changed
,mkimage
)
903 MKIMAGEFLAGS_u-boot-spl.ais
= -s
-n
$(if
$(CONFIG_AIS_CONFIG_FILE
), \
904 $(srctree
)/$(CONFIG_AIS_CONFIG_FILE
:"%"=%),"/dev/null") \
905 -T aisimage
-e
$(CONFIG_SPL_TEXT_BASE
)
906 spl
/u-boot-spl.ais
: spl
/u-boot-spl.bin FORCE
907 $(call if_changed
,mkimage
)
909 OBJCOPYFLAGS_u-boot.ais
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
)
910 u-boot.ais
: spl
/u-boot-spl.ais u-boot.img FORCE
911 $(call if_changed
,pad_cat
)
913 u-boot-signed.sb
: u-boot.bin spl
/u-boot-spl.bin
914 $(Q
)$(MAKE
) $(build
)=arch
/arm
/cpu
/arm926ejs
/mxs u-boot-signed.sb
915 u-boot.sb
: u-boot.bin spl
/u-boot-spl.bin
916 $(Q
)$(MAKE
) $(build
)=arch
/arm
/cpu
/arm926ejs
/mxs u-boot.sb
918 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
919 # Both images are created using mkimage (crc etc), so that the ROM
920 # bootloader can check its integrity. Padding needs to be done to the
921 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
922 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
923 # The resulting image containing both U-Boot images is called u-boot.spr
924 MKIMAGEFLAGS_u-boot-spl.img
= -A
$(ARCH
) -T firmware
-C none \
925 -a
$(CONFIG_SPL_TEXT_BASE
) -e
$(CONFIG_SPL_TEXT_BASE
) -n XLOADER
926 spl
/u-boot-spl.img
: spl
/u-boot-spl.bin FORCE
927 $(call if_changed
,mkimage
)
929 OBJCOPYFLAGS_u-boot.spr
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
931 u-boot.spr
: spl
/u-boot-spl.img u-boot.img FORCE
932 $(call if_changed
,pad_cat
)
934 MKIMAGEFLAGS_u-boot-spl.gph
= -A
$(ARCH
) -T gpimage
-C none \
935 -a
$(CONFIG_SPL_TEXT_BASE
) -e
$(CONFIG_SPL_TEXT_BASE
) -n SPL
936 spl
/u-boot-spl.gph
: spl
/u-boot-spl.bin FORCE
937 $(call if_changed
,mkimage
)
939 OBJCOPYFLAGS_u-boot-spi.gph
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
941 u-boot-spi.gph
: spl
/u-boot-spl.gph u-boot.img FORCE
942 $(call if_changed
,pad_cat
)
944 MKIMAGEFLAGS_u-boot-nand.gph
= -A
$(ARCH
) -T gpimage
-C none \
945 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
) -n U-Boot
946 u-boot-nand.gph
: u-boot.bin FORCE
947 $(call if_changed
,mkimage
)
948 @dd if
=/dev
/zero bs
=8 count
=1 2>/dev
/null
>> $@
950 ifneq ($(CONFIG_SUNXI
),)
951 OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin
= -I binary
-O binary \
952 --pad-to
=$(CONFIG_SPL_PAD_TO
) --gap-fill
=0xff
953 u-boot-sunxi-with-spl.bin
: spl
/sunxi-spl.bin u-boot.img FORCE
954 $(call if_changed
,pad_cat
)
957 ifneq ($(CONFIG_TEGRA
),)
958 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin
= -O binary
--pad-to
=$(CONFIG_SYS_TEXT_BASE
)
959 u-boot-nodtb-tegra.bin
: spl
/u-boot-spl u-boot.bin FORCE
960 $(call if_changed
,pad_cat
)
962 ifeq ($(CONFIG_OF_SEPARATE
),y
)
963 u-boot-dtb-tegra.bin
: u-boot-nodtb-tegra.bin dts
/dt.dtb FORCE
964 $(call if_changed
,cat
)
968 u-boot-img.bin
: spl
/u-boot-spl.bin u-boot.img FORCE
969 $(call if_changed
,cat
)
971 #Add a target to create boot binary having SPL binary in PBI format
972 #concatenated with u-boot binary. It is need by PowerPC SoC having
973 #internal SRAM <= 512KB.
974 MKIMAGEFLAGS_u-boot-spl.pbl
= -n
$(srctree
)/$(CONFIG_SYS_FSL_PBL_RCW
:"%"=%) \
975 -R
$(srctree
)/$(CONFIG_SYS_FSL_PBL_PBI
:"%"=%) -T pblimage
977 spl
/u-boot-spl.pbl
: spl
/u-boot-spl.bin FORCE
978 $(call if_changed
,mkimage
)
980 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
983 u-boot-with-spl-pbl.bin
: spl
/u-boot-spl.pbl u-boot.bin FORCE
984 $(call if_changed
,pad_cat
)
986 # PPC4xx needs the SPL at the end of the image, since the reset vector
987 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
988 # and need to introduce a new build target with the full blown U-Boot
989 # at the start padded up to the start of the SPL image. And then concat
990 # the SPL image to the end.
992 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin
:= -I binary
-O binary \
993 --pad-to
=$(CONFIG_UBOOT_PAD_TO
) --gap-fill
=0xff
994 u-boot-img-spl-at-end.bin
: u-boot.img spl
/u-boot-spl.bin FORCE
995 $(call if_changed
,pad_cat
)
997 # Create a new ELF from a raw binary file. This is useful for arm64
998 # where static relocation needs to be performed on the raw binary,
999 # but certain simulators only accept an ELF file (but don't do the
1001 # FIXME refactor dts/Makefile to share target/arch detection
1002 u-boot.elf
: u-boot.bin
1003 @
$(OBJCOPY
) -B aarch64
-I binary
-O elf64-littleaarch64 \
1005 @
$(LD
) u-boot-elf.o
-o
$@ \
1006 --defsym
=_start
=$(CONFIG_SYS_TEXT_BASE
) \
1007 -Ttext
=$(CONFIG_SYS_TEXT_BASE
)
1009 # Rule to link u-boot
1010 # May be overridden by arch/$(ARCH)/config.mk
1011 quiet_cmd_u-boot__ ?
= LD
$@
1012 cmd_u-boot__ ?
= $(LD
) $(LDFLAGS
) $(LDFLAGS_u-boot
) -o
$@ \
1013 -T u-boot.lds
$(u-boot-init
) \
1014 --start-group
$(u-boot-main
) --end-group \
1015 $(PLATFORM_LIBS
) -Map u-boot.map
1017 quiet_cmd_smap
= GEN common
/system_map.o
1019 smap
=`$(call SYSTEM_MAP,u-boot) | \
1020 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
1021 $(CC
) $(c_flags
) -DSYSTEM_MAP
="\"$${smap}\"" \
1022 -c
$(srctree
)/common
/system_map.c
-o common
/system_map.o
1024 u-boot
: $(u-boot-init
) $(u-boot-main
) u-boot.lds
1025 $(call if_changed
,u-boot__
)
1026 ifeq ($(CONFIG_KALLSYMS
),y
)
1028 $(call cmd
,u-boot__
) common
/system_map.o
1031 # The actual objects are generated when descending,
1032 # make sure no implicit rule kicks in
1033 $(sort $(u-boot-init
) $(u-boot-main
)): $(u-boot-dirs
) ;
1035 # Handle descending into subdirectories listed in $(vmlinux-dirs)
1036 # Preset locale variables to speed up the build process. Limit locale
1037 # tweaks to this spot to avoid wrong language settings when running
1038 # make menuconfig etc.
1039 # Error messages still appears in the original language
1041 PHONY
+= $(u-boot-dirs
)
1042 $(u-boot-dirs
): prepare scripts
1043 $(Q
)$(MAKE
) $(build
)=$@
1046 # The "tools" are needed early
1047 $(filter-out tools
, $(u-boot-dirs
)): tools
1048 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
1049 # is "yes"), so compile examples after U-Boot is compiled.
1050 examples
: $(filter-out examples
, $(u-boot-dirs
))
1052 define filechk_uboot.release
1053 echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1056 # Store (new) UBOOTRELEASE string in include/config/uboot.release
1057 include/config
/uboot.release
: include/config
/auto.conf FORCE
1058 $(call filechk
,uboot.release
)
1061 # Things we need to do before we recursively start building the kernel
1062 # or the modules are listed in "prepare".
1063 # A multi level approach is used. prepareN is processed before prepareN-1.
1064 # archprepare is used in arch Makefiles and when processed asm symlink,
1065 # version.h and scripts_basic is processed / created.
1067 # Listed in dependency order
1068 PHONY
+= prepare archprepare prepare0 prepare1 prepare2 prepare3
1070 # prepare3 is used to check if we are building in a separate output directory,
1072 # 1) Check that make has not been executed in the kernel src $(srctree)
1073 prepare3
: include/config
/uboot.release
1074 ifneq ($(KBUILD_SRC
),)
1075 @
$(kecho
) ' Using $(srctree) as source for U-Boot'
1076 $(Q
)if
[ -f
$(srctree
)/.config
-o
-d
$(srctree
)/include/config
]; then \
1077 echo
>&2 " $(srctree) is not clean, please run 'make mrproper'"; \
1078 echo
>&2 " in the '$(srctree)' directory.";\
1083 # prepare2 creates a makefile if using a separate output directory
1084 prepare2
: prepare3 outputmakefile
1086 prepare1
: prepare2
$(version_h
) $(timestamp_h
) \
1087 include/config
/auto.conf
1088 ifeq ($(__HAVE_ARCH_GENERIC_BOARD
),)
1089 ifeq ($(CONFIG_SYS_GENERIC_BOARD
),y
)
1090 @echo
>&2 " Your architecture does not support generic board."
1091 @echo
>&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file."
1095 ifeq ($(wildcard $(LDSCRIPT
)),)
1096 @echo
>&2 " Could not find linker script."
1100 archprepare
: prepare1 scripts_basic
1102 prepare0
: archprepare FORCE
1103 $(Q
)$(MAKE
) $(build
)=.
1105 # All the preparing..
1108 # Generate some files
1109 # ---------------------------------------------------------------------------
1111 define filechk_version.h
1112 (echo \
#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
1113 echo \
#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
1114 echo \
#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \
1115 echo \
#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; )
1118 define filechk_timestamp.h
1119 (LC_ALL
=C date
+'#define U_BOOT_DATE "%b %d %C%y"'; \
1120 LC_ALL
=C date
+'#define U_BOOT_TIME "%T"')
1123 $(version_h
): include/config
/uboot.release FORCE
1124 $(call filechk
,version.h
)
1126 $(timestamp_h
): $(srctree
)/Makefile FORCE
1127 $(call filechk
,timestamp.h
)
1129 # ---------------------------------------------------------------------------
1133 @echo
'*** Warning: make $@ is unnecessary now.'
1135 # ---------------------------------------------------------------------------
1136 quiet_cmd_cpp_lds
= LDS
$@
1137 cmd_cpp_lds
= $(CPP
) -Wp
,-MD
,$(depfile
) $(cpp_flags
) $(LDPPFLAGS
) -ansi \
1138 -D__ASSEMBLY__
-x assembler-with-cpp
-P
-o
$@
$<
1140 u-boot.lds
: $(LDSCRIPT
) prepare FORCE
1141 $(call if_changed_dep
,cpp_lds
)
1143 spl
/u-boot-spl.bin
: spl
/u-boot-spl
1145 spl
/u-boot-spl
: tools prepare
1146 $(Q
)$(MAKE
) obj
=spl
-f
$(srctree
)/scripts
/Makefile.spl
all
1148 spl
/sunxi-spl.bin
: spl
/u-boot-spl
1151 tpl
/u-boot-tpl.bin
: tools prepare
1152 $(Q
)$(MAKE
) obj
=tpl
-f
$(srctree
)/scripts
/Makefile.spl
all
1154 TAG_SUBDIRS
:= $(patsubst %,$(srctree
)/%,$(u-boot-dirs
) include)
1160 ctags
-w
-o ctags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1161 -name '*.[chS]' -print`
1164 etags
-a
-o etags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1165 -name '*.[chS]' -print`
1167 $(FIND
) $(FINDFLAGS
) $(TAG_SUBDIRS
) -name
'*.[chS]' -print > \
1173 grep
-v
'\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
1176 @
$(call SYSTEM_MAP
,$<) > $@
1179 @if
test $(call dtc-version
) -lt
0104; then \
1180 echo
'*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
1184 #########################################################################
1186 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
1187 # R_AARCH64_RELATIVE (64-bit).
1188 checkarmreloc
: u-boot
1189 @RELOC
="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
1190 grep R_A | sort -u`"; \
1191 if
test "$$RELOC" != "R_ARM_RELATIVE" -a \
1192 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
1193 echo
"$< contains unexpected relocations: $$RELOC"; \
1198 $(Q
)$(MAKE
) $(build
)=tools
/$@
1200 tools-only
: scripts_basic
$(version_h
) $(timestamp_h
)
1201 $(Q
)$(MAKE
) $(build
)=tools
1203 tools-all
: export HOST_TOOLS_ALL
=y
1204 tools-all
: env tools
;
1206 cross_tools
: export CROSS_BUILD_TOOLS
=y
1207 cross_tools
: tools
;
1211 git log
--no-merges U-Boot-1_1_5.. | \
1212 unexpand
-a | sed
-e
's/\s\s*$$//' > $@
1214 include/license.h
: tools
/bin2header COPYING
1215 cat COPYING | gzip
-9 -c | .
/tools
/bin2header license_gzip
> include/license.h
1216 #########################################################################
1219 # Cleaning is done on three levels.
1220 # make clean Delete most generated files
1221 # Leave enough to build external modules
1222 # make mrproper Delete the current configuration, and all generated files
1223 # make distclean Remove editor backup files, patch leftover files and the like
1225 # Directories & files removed with 'make clean'
1226 CLEAN_DIRS
+= $(MODVERDIR
)
1227 CLEAN_FILES
+= u-boot.lds
include/bmp_logo.h
include/bmp_logo_data.h
1229 # Directories & files removed with 'make clobber'
1230 CLOBBER_DIRS
+= $(foreach d
, spl tpl
, $(patsubst %,$d/%, \
1231 $(filter-out include, $(shell ls
-1 $d 2>/dev
/null
))))
1232 CLOBBER_FILES
+= u-boot
* MLO
* SPL System.map
1234 # Directories & files removed with 'make mrproper'
1235 MRPROPER_DIRS
+= include/config
include/generated spl tpl \
1237 MRPROPER_FILES
+= .config .config.old
include/autoconf.mk
* include/config.h \
1238 ctags etags TAGS cscope
* GPATH GTAGS GRTAGS GSYMS
1240 # clean - Delete most, but leave enough to build external modules
1242 clean: rm-dirs
:= $(CLEAN_DIRS
)
1243 clean: rm-files
:= $(CLEAN_FILES
)
1245 clean-dirs
:= $(foreach f
,$(u-boot-alldirs
),$(if
$(wildcard $(srctree
)/$f/Makefile
),$f))
1247 clean-dirs
:= $(addprefix _clean_
, $(clean-dirs
) doc
/DocBook
)
1249 PHONY
+= $(clean-dirs
) clean archclean
1251 $(Q
)$(MAKE
) $(clean)=$(patsubst _clean_
%,%,$@
)
1253 # TODO: Do not use *.cfgtmp
1254 clean: $(clean-dirs
)
1257 @find
$(if
$(KBUILD_EXTMOD
), $(KBUILD_EXTMOD
), .
) $(RCS_FIND_IGNORE
) \
1258 \
( -name
'*.[oas]' -o
-name
'*.ko' -o
-name
'.*.cmd' \
1259 -o
-name
'*.ko.*' -o
-name
'*.su' -o
-name
'*.cfgtmp' \
1260 -o
-name
'.*.d' -o
-name
'.*.tmp' -o
-name
'*.mod.c' \
1261 -o
-name
'*.symtypes' -o
-name
'modules.order' \
1262 -o
-name modules.builtin
-o
-name
'.tmp_*.o.*' \
1263 -o
-name
'*.gcno' \
) -type f
-print | xargs
rm -f
1267 clobber: rm-dirs
:= $(CLOBBER_DIRS
)
1268 clobber: rm-files
:= $(CLOBBER_FILES
)
1276 # mrproper - Delete all generated files, including .config
1278 mrproper
: rm-dirs
:= $(wildcard $(MRPROPER_DIRS
))
1279 mrproper
: rm-files
:= $(wildcard $(MRPROPER_FILES
))
1280 mrproper-dirs
:= $(addprefix _mrproper_
,scripts
)
1282 PHONY
+= $(mrproper-dirs
) mrproper archmrproper
1284 $(Q
)$(MAKE
) $(clean)=$(patsubst _mrproper_
%,%,$@
)
1286 mrproper
: clobber $(mrproper-dirs
)
1289 @
rm -f arch
/*/include/asm
/arch
1296 @find
$(srctree
) $(RCS_FIND_IGNORE
) \
1297 \
( -name
'*.orig' -o
-name
'*.rej' -o
-name
'*~' \
1298 -o
-name
'*.bak' -o
-name
'#*#' -o
-name
'.*.orig' \
1299 -o
-name
'.*.rej' -o
-name
'*%' -o
-name
'core' \
1300 -o
-name
'*.pyc' \
) \
1301 -type f
-print | xargs
rm -f
1305 F
=`basename $(srctree)` ; cd ..
; \
1306 gtar
--force-local
-zcvf
`LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
1309 @echo
'Cleaning targets:'
1310 @echo
' clean - Remove most generated files but keep the config and'
1311 @echo
' necessities for testing u-boot'
1312 @echo
' clobber - Remove most generated files but keep the config'
1313 @echo
' mrproper - Remove all generated files + config + various backup files'
1314 @echo
' distclean - mrproper + remove editor backup and patch files'
1316 @echo
'Configuration targets:'
1317 @
$(MAKE
) -f
$(srctree
)/scripts
/kconfig
/Makefile help
1319 @echo
'Other generic targets:'
1320 @echo
' all - Build all necessary images depending on configuration'
1321 @echo
' u-boot - Build the bare u-boot'
1322 @echo
' dir/ - Build all files in dir and below'
1323 @echo
' dir/file.[oisS] - Build specified target only'
1324 @echo
' dir/file.lst - Build specified mixed source/assembly target only'
1325 @echo
' (requires a recent binutils and recent build (System.map))'
1326 @echo
' tags/ctags - Generate ctags file for editors'
1327 @echo
' etags - Generate etags file for editors'
1328 @echo
' cscope - Generate cscope index'
1329 @echo
' ubootrelease - Output the release version string'
1330 @echo
' ubootversion - Output the version stored in Makefile'
1332 @echo
'Static analysers'
1333 @echo
' checkstack - Generate a list of stack hogs'
1335 @echo
'Documentation targets:'
1336 @
$(MAKE
) -f
$(srctree
)/doc
/DocBook
/Makefile dochelp
1338 @echo
' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
1339 @echo
' make V=2 [targets] 2 => give reason for rebuild of target'
1340 @echo
' make O=dir [targets] Locate all output files in "dir", including .config'
1341 @echo
' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
1342 @echo
' make C=2 [targets] Force check of all c source with $$CHECK'
1343 @echo
' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
1344 @echo
' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
1345 @echo
' 1: warnings which may be relevant and do not occur too often'
1346 @echo
' 2: warnings which occur quite often but may still be relevant'
1347 @echo
' 3: more obscure warnings, can most likely be ignored'
1348 @echo
' Multiple levels can be combined with W=12 or W=123'
1350 @echo
'Execute "make" or "make all" to build all targets marked with [*] '
1351 @echo
'For further info see the ./README file'
1354 # Documentation targets
1355 # ---------------------------------------------------------------------------
1356 %docs
: scripts_basic FORCE
1357 $(Q
)$(MAKE
) $(build
)=scripts build_docproc
1358 $(Q
)$(MAKE
) $(build
)=doc
/DocBook
$@
1361 PHONY
+= prepare scripts
1365 endif #ifeq ($(config-targets),1)
1366 endif #ifeq ($(mixed-targets),1)
1368 PHONY
+= checkstack ubootrelease ubootversion
1371 $(OBJDUMP
) -d u-boot
$$(find .
-name u-boot-spl
) | \
1372 $(PERL
) $(src
)/scripts
/checkstack.pl
$(ARCH
)
1375 @echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1378 @echo
$(UBOOTVERSION
)
1381 # ---------------------------------------------------------------------------
1382 # Single targets are compatible with:
1383 # - build with mixed source and output
1384 # - build with separate output dir 'make O=...'
1385 # - external modules
1387 # target-dir => where to store outputfile
1388 # build-dir => directory in kernel source tree to use
1390 ifeq ($(KBUILD_EXTMOD
),)
1391 build-dir
= $(patsubst %/,%,$(dir $@
))
1392 target-dir
= $(dir $@
)
1394 zap-slash
=$(filter-out .
,$(patsubst %/,%,$(dir $@
)))
1395 build-dir
= $(KBUILD_EXTMOD
)$(if
$(zap-slash
),/$(zap-slash
))
1396 target-dir
= $(if
$(KBUILD_EXTMOD
),$(dir $<),$(dir $@
))
1399 %.s
: %.c prepare scripts FORCE
1400 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1401 %.i
: %.c prepare scripts FORCE
1402 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1403 %.o
: %.c prepare scripts FORCE
1404 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1405 %.lst
: %.c prepare scripts FORCE
1406 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1407 %.s
: %.S prepare scripts FORCE
1408 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1409 %.o
: %.S prepare scripts FORCE
1410 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1411 %.symtypes
: %.c prepare scripts FORCE
1412 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1415 /: prepare scripts FORCE
1417 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1418 $(build
)=$(build-dir
)
1419 %/: prepare scripts FORCE
1421 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1422 $(build
)=$(build-dir
)
1423 %.ko
: prepare scripts FORCE
1425 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1426 $(build
)=$(build-dir
) $(@
:.ko
=.o
)
1427 $(Q
)$(MAKE
) -f
$(srctree
)/scripts
/Makefile.modpost
1429 # FIXME Should go into a make.lib or something
1430 # ===========================================================================
1432 quiet_cmd_rmdirs
= $(if
$(wildcard $(rm-dirs
)),CLEAN
$(wildcard $(rm-dirs
)))
1433 cmd_rmdirs
= rm -rf
$(rm-dirs
)
1435 quiet_cmd_rmfiles
= $(if
$(wildcard $(rm-files
)),CLEAN
$(wildcard $(rm-files
)))
1436 cmd_rmfiles
= rm -f
$(rm-files
)
1438 # read all saved command lines
1440 targets
:= $(wildcard $(sort $(targets
)))
1441 cmd_files
:= $(wildcard .
*.cmd
$(foreach f
,$(targets
),$(dir $(f
)).
$(notdir $(f
)).cmd
))
1443 ifneq ($(cmd_files
),)
1444 $(cmd_files
): ; # Do not try to update included dependency files
1445 include $(cmd_files
)
1448 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
1450 # $(Q)$(MAKE) $(clean)=dir
1451 clean := -f
$(if
$(KBUILD_SRC
),$(srctree
)/)scripts
/Makefile.
clean obj
1453 endif # skip-makefile
1458 # Declare the contents of the .PHONY variable as phony. We keep that
1459 # information in a variable so we can use it in if_changed and friends.