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
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_AFLAGS
:= -D__ASSEMBLY__
365 # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
366 UBOOTRELEASE
= $(shell cat
include/config
/uboot.release
2> /dev
/null
)
367 UBOOTVERSION
= $(VERSION
)$(if
$(PATCHLEVEL
),.
$(PATCHLEVEL
)$(if
$(SUBLEVEL
),.
$(SUBLEVEL
)))$(EXTRAVERSION
)
369 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
370 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
371 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
372 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
373 export MAKE AWK PERL PYTHON
374 export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
376 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
377 export KBUILD_CFLAGS KBUILD_AFLAGS
379 # When compiling out-of-tree modules, put MODVERDIR in the module
380 # tree rather than in the kernel tree. The kernel tree might
382 export MODVERDIR
:= $(if
$(KBUILD_EXTMOD
),$(firstword $(KBUILD_EXTMOD
))/).tmp_versions
384 # Files to ignore in find ... statements
386 export RCS_FIND_IGNORE
:= \
( -name SCCS
-o
-name BitKeeper
-o
-name .svn
-o \
387 -name CVS
-o
-name .
pc -o
-name .hg
-o
-name .git \
) \
389 export RCS_TAR_IGNORE
:= --exclude SCCS
--exclude BitKeeper
--exclude .svn \
390 --exclude CVS
--exclude .
pc --exclude .hg
--exclude .git
392 # ===========================================================================
393 # Rules shared between *config targets and build targets
395 # Basic helpers built in scripts/
396 PHONY
+= scripts_basic
398 $(Q
)$(MAKE
) $(build
)=scripts
/basic
399 $(Q
)rm -f .tmp_quiet_recordmcount
401 # To avoid any implicit rule to kick in, define an empty command.
402 scripts
/basic
/%: scripts_basic
;
404 PHONY
+= outputmakefile
405 # outputmakefile generates a Makefile in the output directory, if using a
406 # separate output directory. This allows convenient use of make in the
409 ifneq ($(KBUILD_SRC
),)
410 $(Q
)ln
-fsn
$(srctree
) source
411 $(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/mkmakefile \
412 $(srctree
) $(objtree
) $(VERSION
) $(PATCHLEVEL
)
415 # To make sure we do not include .config for any of the *config targets
416 # catch them early, and hand them over to scripts/kconfig/Makefile
417 # It is allowed to specify more targets when calling make, including
418 # mixing *config targets and build targets.
419 # For example 'make oldconfig all'.
420 # Detect when mixed targets is specified, and make a second invocation
421 # of make so .config is not included in this case either (for *config).
423 version_h
:= include/generated
/version_autogenerated.h
424 timestamp_h
:= include/generated
/timestamp_autogenerated.h
426 no-dot-config-targets
:= clean clobber mrproper
distclean \
427 help
%docs
check% coccicheck \
428 ubootversion backup tests
434 ifneq ($(filter $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
435 ifeq ($(filter-out $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
440 ifeq ($(KBUILD_EXTMOD
),)
441 ifneq ($(filter config
%config
,$(MAKECMDGOALS
)),)
443 ifneq ($(words $(MAKECMDGOALS
)),1)
449 ifeq ($(mixed-targets
),1)
450 # ===========================================================================
451 # We're called with mixed targets (*config and build targets).
452 # Handle them one by one.
454 PHONY
+= $(MAKECMDGOALS
) __build_one_by_one
456 $(filter-out __build_one_by_one
, $(MAKECMDGOALS
)): __build_one_by_one
461 for i in
$(MAKECMDGOALS
); do \
462 $(MAKE
) -f
$(srctree
)/Makefile
$$i; \
466 ifeq ($(config-targets
),1)
467 # ===========================================================================
468 # *config targets only - make sure prerequisites are updated, and descend
469 # in scripts/kconfig to make the *config target
471 KBUILD_DEFCONFIG
:= sandbox_defconfig
472 export KBUILD_DEFCONFIG KBUILD_KCONFIG
474 config
: scripts_basic outputmakefile FORCE
475 $(Q
)$(MAKE
) $(build
)=scripts
/kconfig
$@
477 %config
: scripts_basic outputmakefile FORCE
478 $(Q
)$(MAKE
) $(build
)=scripts
/kconfig
$@
481 # ===========================================================================
482 # Build targets only - this includes vmlinux, arch specific targets, clean
483 # targets and others. In general all targets except *config targets.
485 # Additional helpers built in scripts/
486 # Carefully list dependencies so we do not try to build scripts twice
489 scripts
: scripts_basic
include/config
/auto.conf
490 $(Q
)$(MAKE
) $(build
)=$(@
)
492 ifeq ($(dot-config
),1)
494 -include include/config
/auto.conf
496 # Read in dependencies to all Kconfig* files, make sure to run
497 # oldconfig if changes are detected.
498 -include include/config
/auto.conf.cmd
500 # To avoid any implicit rule to kick in, define an empty command
501 $(KCONFIG_CONFIG
) include/config
/auto.conf.cmd
: ;
503 # If .config is newer than include/config/auto.conf, someone tinkered
504 # with it and forgot to run make oldconfig.
505 # if auto.conf.cmd is missing then we are probably in a cleaned tree so
506 # we execute the config step to be sure to catch updated Kconfig files
507 include/config
/%.conf
: $(KCONFIG_CONFIG
) include/config
/auto.conf.cmd
508 $(Q
)$(MAKE
) -f
$(srctree
)/Makefile silentoldconfig
509 @
# If the following part fails, include/config/auto.conf should be
510 @
# deleted so "make silentoldconfig" will be re-run on the next build.
511 $(Q
)$(MAKE
) -f
$(srctree
)/scripts
/Makefile.autoconf || \
512 { rm -f
include/config
/auto.conf
; false
; }
513 @
# include/config.h has been updated after "make silentoldconfig".
514 @
# We need to touch include/config/auto.conf so it gets newer
515 @
# than include/config.h.
516 @
# Otherwise, 'make silentoldconfig' would be invoked twice.
517 $(Q
)touch
include/config
/auto.conf
519 u-boot.cfg spl
/u-boot.cfg tpl
/u-boot.cfg
: include/config.h FORCE
520 $(Q
)$(MAKE
) -f
$(srctree
)/scripts
/Makefile.autoconf
$(@
)
522 -include include/autoconf.mk
523 -include include/autoconf.mk.dep
525 # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
526 # is up-to-date. When we switch to a different board configuration, old CONFIG
527 # macros are still remaining in include/config/auto.conf. Without the following
528 # gimmick, wrong config.mk would be included leading nasty warnings/errors.
529 ifneq ($(wildcard $(KCONFIG_CONFIG
)),)
530 ifneq ($(wildcard include/config
/auto.conf
),)
531 autoconf_is_old
:= $(shell find .
-path .
/$(KCONFIG_CONFIG
) -newer \
532 include/config
/auto.conf
)
533 ifeq ($(autoconf_is_old
),)
535 include arch
/$(ARCH
)/Makefile
540 # These are set by the arch-specific config.mk. Make sure they are exported
541 # so they can be used when building an EFI application.
542 export EFI_LDS
# Filename of EFI link script in arch/$(ARCH)/lib
543 export EFI_CRT0
# Filename of EFI CRT0 in arch/$(ARCH)/lib
544 export EFI_RELOC
# Filename of EFU relocation code in arch/$(ARCH)/lib
545 export CFLAGS_EFI
# Compiler flags to add when building EFI app
546 export CFLAGS_NON_EFI
# Compiler flags to remove when building EFI app
547 export EFI_TARGET
# binutils target if EFI is natively supported
549 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
550 # that (or fail if absent). Otherwise, search for a linker script in a
554 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
555 ifdef CONFIG_SYS_LDSCRIPT
556 # need to strip off double quotes
557 LDSCRIPT
:= $(srctree
)/$(CONFIG_SYS_LDSCRIPT
:"%"=%)
561 # If there is no specified link script, we look in a number of places for it
563 ifeq ($(wildcard $(LDSCRIPT
)),)
564 LDSCRIPT
:= $(srctree
)/board
/$(BOARDDIR
)/u-boot.lds
566 ifeq ($(wildcard $(LDSCRIPT
)),)
567 LDSCRIPT
:= $(srctree
)/$(CPUDIR
)/u-boot.lds
569 ifeq ($(wildcard $(LDSCRIPT
)),)
570 LDSCRIPT
:= $(srctree
)/arch
/$(ARCH
)/cpu
/u-boot.lds
575 # Dummy target needed, because used as prerequisite
576 include/config
/auto.conf
: ;
577 endif # $(dot-config)
580 # Xtensa linker script cannot be preprocessed with -ansi because of
581 # preprocessor operations on strings that don't make C identifiers.
583 ifeq ($(CONFIG_XTENSA
),)
587 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
593 KBUILD_CFLAGS
+= $(call cc-option
,-fno-stack-protector
)
594 KBUILD_CFLAGS
+= $(call cc-option
,-fno-delete-null-pointer-checks
)
597 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
598 # option to the assembler.
601 # Report stack usage if supported
602 ifeq ($(shell $(CONFIG_SHELL
) $(srctree
)/scripts
/gcc-stack-usage.sh
$(CC
)),y
)
603 KBUILD_CFLAGS
+= -fstack-usage
606 KBUILD_CFLAGS
+= $(call cc-option
,-Wno-format-nonliteral
)
608 # turn jbsr into jsr for m68k
610 ifeq ($(findstring 3.4,$(shell $(CC
) --version
)),3.4)
611 KBUILD_AFLAGS
+= -Wa
,-gstabs
,-S
615 # Prohibit date/time macros, which would make the build non-deterministic
616 KBUILD_CFLAGS
+= $(call cc-option
,-Werror
=date-time
)
618 include scripts
/Makefile.extrawarn
620 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
621 KBUILD_CPPFLAGS
+= $(KCPPFLAGS
)
622 KBUILD_AFLAGS
+= $(KAFLAGS
)
623 KBUILD_CFLAGS
+= $(KCFLAGS
)
625 # Use UBOOTINCLUDE when you must reference the include/ directory.
626 # Needed to be compatible with the O= option
629 $(if
$(KBUILD_SRC
), -I
$(srctree
)/include) \
630 $(if
$(CONFIG_
$(SPL_
)SYS_THUMB_BUILD
), \
631 $(if
$(CONFIG_HAS_THUMB2
),, \
632 -I
$(srctree
)/arch
/$(ARCH
)/thumb1
/include),) \
633 -I
$(srctree
)/arch
/$(ARCH
)/include \
634 -include $(srctree
)/include/linux
/kconfig.h
636 NOSTDINC_FLAGS
+= -nostdinc
-isystem
$(shell $(CC
) -print-file-name
=include)
637 CHECKFLAGS
+= $(NOSTDINC_FLAGS
)
640 cpp_flags
:= $(KBUILD_CPPFLAGS
) $(PLATFORM_CPPFLAGS
) $(UBOOTINCLUDE
) \
642 c_flags
:= $(KBUILD_CFLAGS
) $(cpp_flags
)
644 #########################################################################
645 # U-Boot objects....order is important (i.e. start must be first)
647 HAVE_VENDOR_COMMON_LIB
= $(if
$(wildcard $(srctree
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
650 libs-
$(HAVE_VENDOR_COMMON_LIB
) += board
/$(VENDOR
)/common
/
651 libs-
$(CONFIG_OF_EMBED
) += dts
/
656 libs-y
+= drivers
/dma
/
657 libs-y
+= drivers
/gpio
/
658 libs-y
+= drivers
/i2c
/
659 libs-y
+= drivers
/mtd
/
660 libs-
$(CONFIG_CMD_NAND
) += drivers
/mtd
/nand
/
661 libs-y
+= drivers
/mtd
/onenand
/
662 libs-
$(CONFIG_CMD_UBI
) += drivers
/mtd
/ubi
/
663 libs-y
+= drivers
/mtd
/spi
/
664 libs-y
+= drivers
/net
/
665 libs-y
+= drivers
/net
/phy
/
666 libs-y
+= drivers
/pci
/
667 libs-y
+= drivers
/power
/ \
668 drivers
/power
/domain
/ \
669 drivers
/power
/fuel_gauge
/ \
671 drivers
/power
/pmic
/ \
672 drivers
/power
/battery
/ \
673 drivers
/power
/regulator
/
674 libs-y
+= drivers
/spi
/
675 libs-
$(CONFIG_FMAN_ENET
) += drivers
/net
/fm
/
676 libs-
$(CONFIG_SYS_FSL_DDR
) += drivers
/ddr
/fsl
/
677 libs-
$(CONFIG_SYS_FSL_MMDC
) += drivers
/ddr
/fsl
/
678 libs-
$(CONFIG_ALTERA_SDRAM
) += drivers
/ddr
/altera
/
679 libs-y
+= drivers
/serial
/
680 libs-y
+= drivers
/usb
/dwc3
/
681 libs-y
+= drivers
/usb
/common
/
682 libs-y
+= drivers
/usb
/emul
/
683 libs-y
+= drivers
/usb
/eth
/
684 libs-y
+= drivers
/usb
/gadget
/
685 libs-y
+= drivers
/usb
/gadget
/udc
/
686 libs-y
+= drivers
/usb
/host
/
687 libs-y
+= drivers
/usb
/musb
/
688 libs-y
+= drivers
/usb
/musb-new
/
689 libs-y
+= drivers
/usb
/phy
/
690 libs-y
+= drivers
/usb
/ulpi
/
693 libs-
$(CONFIG_API
) += api
/
694 libs-
$(CONFIG_HAS_POST
) += post
/
697 libs-
$(CONFIG_UT_ENV
) += test/env
/
698 libs-
$(CONFIG_UT_OVERLAY
) += test/overlay
/
700 libs-y
+= $(if
$(BOARDDIR
),board
/$(BOARDDIR
)/)
702 libs-y
:= $(sort $(libs-y
))
704 u-boot-dirs
:= $(patsubst %/,%,$(filter %/, $(libs-y
))) tools examples
706 u-boot-alldirs
:= $(sort $(u-boot-dirs
) $(patsubst %/,%,$(filter %/, $(libs-
))))
708 libs-y
:= $(patsubst %/, %/built-in.o
, $(libs-y
))
710 u-boot-init
:= $(head-y
)
711 u-boot-main
:= $(libs-y
)
715 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC
),y
)
716 PLATFORM_LIBGCC
= arch
/$(ARCH
)/lib
/lib.a
718 PLATFORM_LIBGCC
:= -L
$(shell dirname
`$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
720 PLATFORM_LIBS
+= $(PLATFORM_LIBGCC
)
722 export PLATFORM_LIBGCC
724 # Special flags for CPP when processing the linker script.
725 # Pass the version down so we can handle backwards compatibility
728 -include $(srctree
)/include/u-boot
/u-boot.lds.h \
730 $(shell $(LD
) --version | \
731 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
733 #########################################################################
734 #########################################################################
736 ifneq ($(CONFIG_BOARD_SIZE_LIMIT
),)
738 @actual
=`wc -c $@ | awk '{print $$1}'`; \
739 limit
=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
740 if
test $$actual -gt
$$limit; then \
741 echo
"$@ exceeds file size limit:" >&2 ; \
742 echo
" limit: $$limit bytes" >&2 ; \
743 echo
" actual: $$actual bytes" >&2 ; \
744 echo
" excess: $$((actual - limit)) bytes" >&2; \
751 # Statically apply RELA-style relocations (currently arm64 only)
752 # This is useful for arm64 where static relocation needs to be performed on
753 # the raw binary, but certain simulators only accept an ELF file (but don't
754 # do the relocation).
755 ifneq ($(CONFIG_STATIC_RELA
),)
756 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
758 start
=$$($(NM
) $(1) | grep __rel_dyn_start | cut
-f
1 -d
' '); \
759 end
=$$($(NM
) $(1) | grep __rel_dyn_end | cut
-f
1 -d
' '); \
760 tools
/relocate-rela
$(2) $(3) $$start $$end
765 # Always append ALL so that arch config.mk's can add custom ones
766 ALL-y
+= u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check
768 ALL-
$(CONFIG_ONENAND_U_BOOT
) += u-boot-onenand.bin
769 ifeq ($(CONFIG_SPL_FSL_PBL
),y
)
770 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot-with-spl-pbl.bin
772 ifneq ($(CONFIG_SECURE_BOOT
), y
)
773 # For Secure Boot The Image needs to be signed and Header must also
774 # be included. So The image has to be built explicitly
775 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot.pbl
778 ALL-
$(CONFIG_SPL
) += spl
/u-boot-spl.bin
779 ifeq ($(CONFIG_MX6
)$(CONFIG_SECURE_BOOT
), yy
)
780 ALL-
$(CONFIG_SPL_FRAMEWORK
) += u-boot-ivt.img
782 ALL-
$(CONFIG_SPL_FRAMEWORK
) += u-boot.img
784 ALL-
$(CONFIG_TPL
) += tpl
/u-boot-tpl.bin
785 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot.dtb
786 ifeq ($(CONFIG_SPL_FRAMEWORK
),y
)
787 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot-dtb.img
789 ALL-
$(CONFIG_OF_HOSTFILE
) += u-boot.dtb
790 ifneq ($(CONFIG_SPL_TARGET
),)
791 ALL-
$(CONFIG_SPL
) += $(CONFIG_SPL_TARGET
:"%"=%)
793 ALL-
$(CONFIG_REMAKE_ELF
) += u-boot.elf
794 ALL-
$(CONFIG_EFI_APP
) += u-boot-app.efi
795 ALL-
$(CONFIG_EFI_STUB
) += u-boot-payload.efi
797 ifneq ($(BUILD_ROM
),)
798 ALL-
$(CONFIG_X86_RESET_VECTOR
) += u-boot.rom
801 # enable combined SPL/u-boot/dtb rules for tegra
802 ifeq ($(CONFIG_TEGRA
)$(CONFIG_SPL
),yy
)
803 ALL-y
+= u-boot-tegra.bin u-boot-nodtb-tegra.bin
804 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot-dtb-tegra.bin
807 # Add optional build target if defined in board/cpu/soc headers
808 ifneq ($(CONFIG_BUILD_TARGET
),)
809 ALL-y
+= $(CONFIG_BUILD_TARGET
:"%"=%)
812 LDFLAGS_u-boot
+= $(LDFLAGS_FINAL
)
814 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
815 LDFLAGS_u-boot
+= $(call ld-option
, --no-dynamic-linker
)
817 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
818 LDFLAGS_u-boot
+= -Ttext
$(CONFIG_SYS_TEXT_BASE
)
821 # Normally we fill empty space with 0xff
822 quiet_cmd_objcopy
= OBJCOPY
$@
823 cmd_objcopy
= $(OBJCOPY
) --gap-fill
=0xff $(OBJCOPYFLAGS
) \
824 $(OBJCOPYFLAGS_
$(@F
)) $< $@
826 # Provide a version which does not do this, for use by EFI
827 quiet_cmd_zobjcopy
= OBJCOPY
$@
828 cmd_zobjcopy
= $(OBJCOPY
) $(OBJCOPYFLAGS
) $(OBJCOPYFLAGS_
$(@F
)) $< $@
830 quiet_cmd_efipayload
= OBJCOPY
$@
831 cmd_efipayload
= $(OBJCOPY
) -I binary
-O
$(EFIPAYLOAD_BFDTARGET
) -B
$(EFIPAYLOAD_BFDARCH
) $< $@
833 MKIMAGEOUTPUT ?
= /dev
/null
835 quiet_cmd_mkimage
= MKIMAGE
$@
836 cmd_mkimage
= $(objtree
)/tools
/mkimage
$(MKIMAGEFLAGS_
$(@F
)) -d
$< $@ \
837 $(if
$(KBUILD_VERBOSE
:1=), >$(MKIMAGEOUTPUT
))
839 quiet_cmd_mkfitimage
= MKIMAGE
$@
840 cmd_mkfitimage
= $(objtree
)/tools
/mkimage
$(MKIMAGEFLAGS_
$(@F
)) -f
$(U_BOOT_ITS
) -E
$@ \
841 $(if
$(KBUILD_VERBOSE
:1=), >$(MKIMAGEOUTPUT
))
843 quiet_cmd_cat
= CAT
$@
844 cmd_cat
= cat
$(filter-out $(PHONY
), $^
) > $@
846 append
= cat
$(filter-out $< $(PHONY
), $^
) >> $@
848 quiet_cmd_pad_cat
= CAT
$@
849 cmd_pad_cat
= $(cmd_objcopy
) && $(append
) ||
rm -f
$@
853 quiet_cmd_cfgcheck
= CFGCHK
$2
854 cmd_cfgcheck
= $(srctree
)/scripts
/check-config.sh
$2 \
855 $(srctree
)/scripts
/config_whitelist.txt
$(srctree
)
858 ifeq ($(CONFIG_DM_I2C_COMPAT
)$(CONFIG_SANDBOX
),y
)
859 @echo
"===================== WARNING ======================"
860 @echo
"This board uses CONFIG_DM_I2C_COMPAT. Please remove"
861 @echo
"(possibly in a subsequent patch in your series)"
862 @echo
"before sending patches to the mailing list."
863 @echo
"===================================================="
865 @
# Check that this build does not use CONFIG options that we do not
866 @
# know about unless they are in Kconfig. All the existing CONFIG
867 @
# options are whitelisted, so new ones should not be added.
868 $(call cmd
,cfgcheck
,u-boot.cfg
)
873 dts
/dt.dtb
: checkdtc u-boot
874 $(Q
)$(MAKE
) $(build
)=dts dtbs
876 quiet_cmd_copy
= COPY
$@
879 ifeq ($(CONFIG_FIT_EMBED
),y
)
881 fit-dtb.blob
: dts
/dt.dtb FORCE
882 $(call if_changed
,mkimage
)
884 MKIMAGEFLAGS_fit-dtb.blob
= -f auto
-A
$(ARCH
) -T firmware
-C none
-O u-boot \
886 $(patsubst %,-b arch
/$(ARCH
)/dts
/%.dtb
,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null
888 u-boot-fit-dtb.bin: u-boot-nodtb.bin fit-dtb.blob
889 $(call if_changed,cat)
891 u-boot.bin: u-boot-fit-dtb.bin FORCE
892 $(call if_changed,copy)
893 else ifeq ($(CONFIG_OF_SEPARATE),y)
894 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
895 $(call if_changed,cat)
897 u-boot.bin: u-boot-dtb.bin FORCE
898 $(call if_changed,copy)
900 u-boot.bin: u-boot-nodtb.bin FORCE
901 $(call if_changed,copy)
905 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
908 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
910 quiet_cmd_copy = COPY $@
913 u-boot.dtb: dts/dt.dtb
916 OBJCOPYFLAGS_u-boot.hex := -O ihex
918 OBJCOPYFLAGS_u-boot.srec := -O srec
920 u-boot.hex u-boot.srec: u-boot FORCE
921 $(call if_changed,objcopy)
923 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
924 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec)
926 binary_size_check: u-boot-nodtb.bin FORCE
927 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \
928 map_size=$(shell cat u-boot.map | \
929 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase
=16; " toupper(end) " - " toupper(start)}' \
932 if [ "" != "$$map_size" ]; then \
933 if test $$map_size -ne $$file_size; then \
934 echo "u-boot.map shows a binary size of
$$map_size" >&2 ; \
935 echo " but u-boot-nodtb.bin shows
$$file_size" >&2 ; \
940 u-boot-nodtb.bin: u-boot FORCE
941 $(call if_changed,objcopy)
942 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
947 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS)
951 # ---------------------------------------------------------------------------
952 quiet_cmd_binman = BINMAN $@
953 cmd_binman = $(srctree)/tools/binman/binman -d u-boot.dtb -O . \
954 -I . -I $(srctree)/board/$(BOARDDIR) $<
956 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
958 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
960 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
961 $(call if_changed,objcopy)
964 # U-Boot entry point, needed for booting of full-blown U-Boot
965 # from the SPL U-Boot version.
967 ifndef CONFIG_SYS_UBOOT_START
968 CONFIG_SYS_UBOOT_START := 0
971 # Create a file containing the configuration options the image was built with
972 quiet_cmd_cpp_cfg = CFG $@
973 cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
974 -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $<
976 # Boards with more complex image requirments can provide an .its source file
977 # or a generator script
978 ifneq ($(CONFIG_SPL_FIT_SOURCE),"")
979 U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE
))
981 ifneq ($(CONFIG_SPL_FIT_GENERATOR
),"")
982 U_BOOT_ITS
:= u-boot.its
984 $(srctree
)/$(CONFIG_SPL_FIT_GENERATOR
) \
985 $(patsubst %,arch
/$(ARCH
)/dts
/%.dtb
,$(subst ",,$(CONFIG_OF_LIST))) > $@
989 ifdef CONFIG_SPL_LOAD_FIT
990 MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
991 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
992 -n "U-Boot
$(UBOOTRELEASE
) for
$(BOARD
) board
" -E \
993 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST
)))
995 MKIMAGEFLAGS_u-boot.img
= -A
$(ARCH
) -T firmware
-C none
-O u-boot \
996 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_UBOOT_START
) \
997 -n
"U-Boot $(UBOOTRELEASE) for $(BOARD) board"
998 MKIMAGEFLAGS_u-boot-ivt.img
= -A
$(ARCH
) -T firmware_ivt
-C none
-O u-boot \
999 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_UBOOT_START
) \
1000 -n
"U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1001 u-boot-ivt.img
: MKIMAGEOUTPUT
= u-boot-ivt.img.log
1002 CLEAN_FILES
+= u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log
1005 MKIMAGEFLAGS_u-boot-dtb.img
= $(MKIMAGEFLAGS_u-boot.img
)
1007 MKIMAGEFLAGS_u-boot.kwb
= -n
$(srctree
)/$(CONFIG_SYS_KWD_CONFIG
:"%"=%) \
1008 -T kwbimage
-a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
)
1010 MKIMAGEFLAGS_u-boot-spl.kwb
= -n
$(srctree
)/$(CONFIG_SYS_KWD_CONFIG
:"%"=%) \
1011 -T kwbimage
-a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
) \
1012 $(if
$(KEYDIR
),-k
$(KEYDIR
))
1014 MKIMAGEFLAGS_u-boot.pbl
= -n
$(srctree
)/$(CONFIG_SYS_FSL_PBL_RCW
:"%"=%) \
1015 -R
$(srctree
)/$(CONFIG_SYS_FSL_PBL_PBI
:"%"=%) -T pblimage
1017 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img
: \
1018 $(if
$(CONFIG_SPL_LOAD_FIT
),u-boot-nodtb.bin dts
/dt.dtb
,u-boot.bin
) FORCE
1019 $(call if_changed
,mkimage
)
1021 u-boot.itb
: u-boot-nodtb.bin dts
/dt.dtb
$(U_BOOT_ITS
) FORCE
1022 $(call if_changed
,mkfitimage
)
1024 u-boot-spl.kwb
: u-boot.img spl
/u-boot-spl.bin FORCE
1025 $(call if_changed
,mkimage
)
1027 u-boot.sha1
: u-boot.bin
1028 tools
/ubsha1 u-boot.bin
1031 $(OBJDUMP
) -d
$< > $@
1034 SPL_PAYLOAD
:= tpl
/u-boot-with-tpl.bin
1036 SPL_PAYLOAD
:= u-boot.bin
1039 OBJCOPYFLAGS_u-boot-with-spl.bin
= -I binary
-O binary \
1040 --pad-to
=$(CONFIG_SPL_PAD_TO
)
1041 u-boot-with-spl.bin
: spl
/u-boot-spl.bin
$(SPL_PAYLOAD
) FORCE
1042 $(call if_changed
,pad_cat
)
1044 MKIMAGEFLAGS_lpc32xx-spl.img
= -T lpc32xximage
-a
$(CONFIG_SPL_TEXT_BASE
)
1046 lpc32xx-spl.img
: spl
/u-boot-spl.bin FORCE
1047 $(call if_changed
,mkimage
)
1049 OBJCOPYFLAGS_lpc32xx-boot-0.bin
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
)
1051 lpc32xx-boot-0.bin
: lpc32xx-spl.img FORCE
1052 $(call if_changed
,objcopy
)
1054 OBJCOPYFLAGS_lpc32xx-boot-1.bin
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
)
1056 lpc32xx-boot-1.bin
: lpc32xx-spl.img FORCE
1057 $(call if_changed
,objcopy
)
1059 lpc32xx-full.bin
: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE
1060 $(call if_changed
,cat
)
1062 CLEAN_FILES
+= lpc32xx-
*
1064 OBJCOPYFLAGS_u-boot-with-tpl.bin
= -I binary
-O binary \
1065 --pad-to
=$(CONFIG_TPL_PAD_TO
)
1066 tpl
/u-boot-with-tpl.bin
: tpl
/u-boot-tpl.bin u-boot.bin FORCE
1067 $(call if_changed
,pad_cat
)
1069 SPL
: spl
/u-boot-spl.bin FORCE
1070 $(Q
)$(MAKE
) $(build
)=arch
/arm
/mach-imx
$@
1072 u-boot-with-spl.imx u-boot-with-nand-spl.imx
: SPL u-boot.bin FORCE
1073 $(Q
)$(MAKE
) $(build
)=arch
/arm
/mach-imx
$@
1075 MKIMAGEFLAGS_u-boot.ubl
= -n
$(UBL_CONFIG
) -T ublimage
-e
$(CONFIG_SYS_TEXT_BASE
)
1077 u-boot.ubl
: u-boot-with-spl.bin FORCE
1078 $(call if_changed
,mkimage
)
1080 MKIMAGEFLAGS_u-boot-spl.ais
= -s
-n
$(if
$(CONFIG_AIS_CONFIG_FILE
), \
1081 $(srctree
)/$(CONFIG_AIS_CONFIG_FILE
:"%"=%),"/dev/null") \
1082 -T aisimage
-e
$(CONFIG_SPL_TEXT_BASE
)
1083 spl
/u-boot-spl.ais
: spl
/u-boot-spl.bin FORCE
1084 $(call if_changed
,mkimage
)
1086 OBJCOPYFLAGS_u-boot.ais
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
)
1087 u-boot.ais
: spl
/u-boot-spl.ais u-boot.img FORCE
1088 $(call if_changed
,pad_cat
)
1090 u-boot-signed.sb
: u-boot.bin spl
/u-boot-spl.bin
1091 $(Q
)$(MAKE
) $(build
)=arch
/arm
/cpu
/arm926ejs
/mxs u-boot-signed.sb
1092 u-boot.sb
: u-boot.bin spl
/u-boot-spl.bin
1093 $(Q
)$(MAKE
) $(build
)=arch
/arm
/cpu
/arm926ejs
/mxs u-boot.sb
1095 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
1096 # Both images are created using mkimage (crc etc), so that the ROM
1097 # bootloader can check its integrity. Padding needs to be done to the
1098 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
1099 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
1100 # The resulting image containing both U-Boot images is called u-boot.spr
1101 MKIMAGEFLAGS_u-boot-spl.img
= -A
$(ARCH
) -T firmware
-C none \
1102 -a
$(CONFIG_SPL_TEXT_BASE
) -e
$(CONFIG_SPL_TEXT_BASE
) -n XLOADER
1103 spl
/u-boot-spl.img
: spl
/u-boot-spl.bin FORCE
1104 $(call if_changed
,mkimage
)
1106 OBJCOPYFLAGS_u-boot.spr
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
1108 u-boot.spr
: spl
/u-boot-spl.img u-boot.img FORCE
1109 $(call if_changed
,pad_cat
)
1111 ifneq ($(CONFIG_ARCH_SOCFPGA
),)
1112 quiet_cmd_socboot
= SOCBOOT
$@
1113 cmd_socboot
= cat spl
/u-boot-spl.sfp spl
/u-boot-spl.sfp \
1114 spl
/u-boot-spl.sfp spl
/u-boot-spl.sfp \
1115 u-boot.img
> $@ ||
rm -f
$@
1116 u-boot-with-spl.sfp
: spl
/u-boot-spl.sfp u-boot.img FORCE
1117 $(call if_changed
,socboot
)
1120 # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including
1121 # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in
1122 # the middle. This is handled by binman based on an image description in the
1123 # board's device tree.
1124 ifneq ($(CONFIG_X86_RESET_VECTOR
),)
1125 rom
: u-boot.rom FORCE
1127 refcode.bin
: $(srctree
)/board
/$(BOARDDIR
)/refcode.bin FORCE
1128 $(call if_changed
,copy
)
1130 quiet_cmd_ldr
= LD
$@
1131 cmd_ldr
= $(LD
) $(LDFLAGS_
$(@F
)) \
1132 $(filter-out FORCE
,$^
) -o
$@
1134 u-boot.rom
: u-boot-x86-16bit.bin u-boot.bin \
1135 $(if
$(CONFIG_SPL_X86_16BIT_INIT
),spl
/u-boot-spl.bin
) \
1136 $(if
$(CONFIG_HAVE_REFCODE
),refcode.bin
) checkbinman FORCE
1137 $(call if_changed
,binman
)
1139 OBJCOPYFLAGS_u-boot-x86-16bit.bin
:= -O binary
-j .start16
-j .resetvec
1140 u-boot-x86-16bit.bin
: u-boot FORCE
1141 $(call if_changed
,objcopy
)
1144 ifneq ($(CONFIG_ARCH_SUNXI
),)
1145 u-boot-sunxi-with-spl.bin
: spl
/sunxi-spl.bin u-boot.img u-boot.dtb \
1147 $(call if_changed
,binman
)
1150 ifneq ($(CONFIG_TEGRA
),)
1151 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin
= -O binary
--pad-to
=$(CONFIG_SYS_TEXT_BASE
)
1152 u-boot-nodtb-tegra.bin
: spl
/u-boot-spl u-boot-nodtb.bin FORCE
1153 $(call if_changed
,pad_cat
)
1155 OBJCOPYFLAGS_u-boot-tegra.bin
= -O binary
--pad-to
=$(CONFIG_SYS_TEXT_BASE
)
1156 u-boot-tegra.bin
: spl
/u-boot-spl u-boot.bin FORCE
1157 $(call if_changed
,pad_cat
)
1159 u-boot-dtb-tegra.bin
: u-boot-tegra.bin FORCE
1160 $(call if_changed
,copy
)
1163 OBJCOPYFLAGS_u-boot-app.efi
:= $(OBJCOPYFLAGS_EFI
)
1164 u-boot-app.efi
: u-boot FORCE
1165 $(call if_changed
,zobjcopy
)
1167 u-boot.bin.o
: u-boot.bin FORCE
1168 $(call if_changed
,efipayload
)
1170 u-boot-payload.lds
: $(LDSCRIPT_EFI
) FORCE
1171 $(call if_changed_dep
,cpp_lds
)
1173 # Rule to link the EFI payload which contains a stub and a U-Boot binary
1174 quiet_cmd_u-boot_payload ?
= LD
$@
1175 cmd_u-boot_payload ?
= $(LD
) $(LDFLAGS_EFI_PAYLOAD
) -o
$@ \
1176 -T u-boot-payload.lds arch
/x86
/cpu
/call32.o \
1177 lib
/efi
/efi.o lib
/efi
/efi_stub.o u-boot.bin.o \
1178 $(addprefix arch
/$(ARCH
)/lib
/,$(EFISTUB
))
1180 u-boot-payload
: u-boot.bin.o u-boot-payload.lds FORCE
1181 $(call if_changed
,u-boot_payload
)
1183 OBJCOPYFLAGS_u-boot-payload.efi
:= $(OBJCOPYFLAGS_EFI
)
1184 u-boot-payload.efi
: u-boot-payload FORCE
1185 $(call if_changed
,zobjcopy
)
1187 u-boot-img.bin
: spl
/u-boot-spl.bin u-boot.img FORCE
1188 $(call if_changed
,cat
)
1190 #Add a target to create boot binary having SPL binary in PBI format
1191 #concatenated with u-boot binary. It is need by PowerPC SoC having
1192 #internal SRAM <= 512KB.
1193 MKIMAGEFLAGS_u-boot-spl.pbl
= -n
$(srctree
)/$(CONFIG_SYS_FSL_PBL_RCW
:"%"=%) \
1194 -R
$(srctree
)/$(CONFIG_SYS_FSL_PBL_PBI
:"%"=%) -T pblimage \
1195 -A
$(ARCH
) -a
$(CONFIG_SPL_TEXT_BASE
)
1197 spl
/u-boot-spl.pbl
: spl
/u-boot-spl.bin FORCE
1198 $(call if_changed
,mkimage
)
1201 UBOOT_BINLOAD
:= u-boot.img
1203 UBOOT_BINLOAD
:= u-boot.bin
1206 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
1209 u-boot-with-spl-pbl.bin
: spl
/u-boot-spl.pbl
$(UBOOT_BINLOAD
) FORCE
1210 $(call if_changed
,pad_cat
)
1212 # PPC4xx needs the SPL at the end of the image, since the reset vector
1213 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
1214 # and need to introduce a new build target with the full blown U-Boot
1215 # at the start padded up to the start of the SPL image. And then concat
1216 # the SPL image to the end.
1218 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin
:= -I binary
-O binary \
1219 --pad-to
=$(CONFIG_UBOOT_PAD_TO
) --gap-fill
=0xff
1220 u-boot-img-spl-at-end.bin
: u-boot.img spl
/u-boot-spl.bin FORCE
1221 $(call if_changed
,pad_cat
)
1223 # Create a new ELF from a raw binary file.
1224 ifndef PLATFORM_ELFENTRY
1225 PLATFORM_ELFENTRY
= "_start"
1227 quiet_cmd_u-boot-elf ?
= LD
$@
1228 cmd_u-boot-elf ?
= $(LD
) u-boot-elf.o
-o
$@ \
1229 --defsym
=$(PLATFORM_ELFENTRY
)=$(CONFIG_SYS_TEXT_BASE
) \
1230 -Ttext
=$(CONFIG_SYS_TEXT_BASE
)
1231 u-boot.elf
: u-boot.bin
1232 $(Q
)$(OBJCOPY
) -I binary
$(PLATFORM_ELFFLAGS
) $< u-boot-elf.o
1233 $(call if_changed
,u-boot-elf
)
1235 # Rule to link u-boot
1236 # May be overridden by arch/$(ARCH)/config.mk
1237 quiet_cmd_u-boot__ ?
= LD
$@
1238 cmd_u-boot__ ?
= $(LD
) $(LDFLAGS
) $(LDFLAGS_u-boot
) -o
$@ \
1239 -T u-boot.lds
$(u-boot-init
) \
1240 --start-group
$(u-boot-main
) --end-group \
1241 $(PLATFORM_LIBS
) -Map u-boot.map
1243 quiet_cmd_smap
= GEN common
/system_map.o
1245 smap
=`$(call SYSTEM_MAP,u-boot) | \
1246 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
1247 $(CC
) $(c_flags
) -DSYSTEM_MAP
="\"$${smap}\"" \
1248 -c
$(srctree
)/common
/system_map.c
-o common
/system_map.o
1250 u-boot
: $(u-boot-init
) $(u-boot-main
) u-boot.lds FORCE
1251 $(call if_changed
,u-boot__
)
1252 ifeq ($(CONFIG_KALLSYMS
),y
)
1254 $(call cmd
,u-boot__
) common
/system_map.o
1257 quiet_cmd_sym ?
= SYM
$@
1258 cmd_sym ?
= $(OBJDUMP
) -t
$< > $@
1259 u-boot.sym
: u-boot FORCE
1260 $(call if_changed
,sym
)
1262 # The actual objects are generated when descending,
1263 # make sure no implicit rule kicks in
1264 $(sort $(u-boot-init
) $(u-boot-main
)): $(u-boot-dirs
) ;
1266 # Handle descending into subdirectories listed in $(vmlinux-dirs)
1267 # Preset locale variables to speed up the build process. Limit locale
1268 # tweaks to this spot to avoid wrong language settings when running
1269 # make menuconfig etc.
1270 # Error messages still appears in the original language
1272 PHONY
+= $(u-boot-dirs
)
1273 $(u-boot-dirs
): prepare scripts
1274 $(Q
)$(MAKE
) $(build
)=$@
1277 # The "tools" are needed early
1278 $(filter-out tools
, $(u-boot-dirs
)): tools
1279 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
1280 # is "yes"), so compile examples after U-Boot is compiled.
1281 examples
: $(filter-out examples
, $(u-boot-dirs
))
1283 define filechk_uboot.release
1284 echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1287 # Store (new) UBOOTRELEASE string in include/config/uboot.release
1288 include/config
/uboot.release
: include/config
/auto.conf FORCE
1289 $(call filechk
,uboot.release
)
1292 # Things we need to do before we recursively start building the kernel
1293 # or the modules are listed in "prepare".
1294 # A multi level approach is used. prepareN is processed before prepareN-1.
1295 # archprepare is used in arch Makefiles and when processed asm symlink,
1296 # version.h and scripts_basic is processed / created.
1298 # Listed in dependency order
1299 PHONY
+= prepare archprepare prepare0 prepare1 prepare2 prepare3
1301 # prepare3 is used to check if we are building in a separate output directory,
1303 # 1) Check that make has not been executed in the kernel src $(srctree)
1304 prepare3
: include/config
/uboot.release
1305 ifneq ($(KBUILD_SRC
),)
1306 @
$(kecho
) ' Using $(srctree) as source for U-Boot'
1307 $(Q
)if
[ -f
$(srctree
)/.config
-o
-d
$(srctree
)/include/config
]; then \
1308 echo
>&2 " $(srctree) is not clean, please run 'make mrproper'"; \
1309 echo
>&2 " in the '$(srctree)' directory.";\
1314 # prepare2 creates a makefile if using a separate output directory
1315 prepare2
: prepare3 outputmakefile
1317 prepare1
: prepare2
$(version_h
) $(timestamp_h
) \
1318 include/config
/auto.conf
1319 ifeq ($(wildcard $(LDSCRIPT
)),)
1320 @echo
>&2 " Could not find linker script."
1324 archprepare
: prepare1 scripts_basic
1326 prepare0
: archprepare FORCE
1327 $(Q
)$(MAKE
) $(build
)=.
1329 # All the preparing..
1332 # Generate some files
1333 # ---------------------------------------------------------------------------
1335 define filechk_version.h
1336 (echo \
#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
1337 echo \
#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
1338 echo \
#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \
1339 echo \
#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; )
1342 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date.
1343 # The BSD date on the other hand behaves different and would produce errors
1344 # with the misused '-d' switch. Respect that and search a working date with
1345 # well known pre- and suffixes for the GNU variant of date.
1346 define filechk_timestamp.h
1347 (if
test -n
"$${SOURCE_DATE_EPOCH}"; then \
1348 SOURCE_DATE
="@$${SOURCE_DATE_EPOCH}"; \
1350 for date in gdate date.gnu date
; do \
1351 $${date} -u
-d
"$${SOURCE_DATE}" >/dev
/null
2>&1 && DATE
="$${date}"; \
1353 if
test -n
"$${DATE}"; then \
1354 LC_ALL
=C
$${DATE} -u
-d
"$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
1355 LC_ALL
=C
$${DATE} -u
-d
"$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
1356 LC_ALL
=C
$${DATE} -u
-d
"$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
1357 LC_ALL
=C
$${DATE} -u
-d
"$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
1362 LC_ALL
=C date
+'#define U_BOOT_DATE "%b %d %C%y"'; \
1363 LC_ALL
=C date
+'#define U_BOOT_TIME "%T"'; \
1364 LC_ALL
=C date
+'#define U_BOOT_TZ "%z"'; \
1365 LC_ALL
=C date
+'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
1369 $(version_h
): include/config
/uboot.release FORCE
1370 $(call filechk
,version.h
)
1372 $(timestamp_h
): $(srctree
)/Makefile FORCE
1373 $(call filechk
,timestamp.h
)
1376 @if
! ( echo
'import libfdt' |
( PYTHONPATH
=tools python
)); then \
1378 echo
>&2 '*** binman needs the Python libfdt library.'; \
1379 echo
>&2 '*** Either install it on your system, or try:'; \
1381 echo
>&2 '*** sudo apt-get install swig libpython-dev'; \
1383 echo
>&2 '*** to have U-Boot build its own version.'; \
1387 # ---------------------------------------------------------------------------
1388 quiet_cmd_cpp_lds
= LDS
$@
1389 cmd_cpp_lds
= $(CPP
) -Wp
,-MD
,$(depfile
) $(cpp_flags
) $(LDPPFLAGS
) \
1390 -D__ASSEMBLY__
-x assembler-with-cpp
-P
-o
$@
$<
1392 u-boot.lds
: $(LDSCRIPT
) prepare FORCE
1393 $(call if_changed_dep
,cpp_lds
)
1395 spl
/u-boot-spl.bin
: spl
/u-boot-spl
1397 spl
/u-boot-spl
: tools prepare \
1398 $(if
$(CONFIG_OF_SEPARATE
)$(CONFIG_SPL_OF_PLATDATA
),dts
/dt.dtb
)
1399 $(Q
)$(MAKE
) obj
=spl
-f
$(srctree
)/scripts
/Makefile.spl
all
1401 spl
/sunxi-spl.bin
: spl
/u-boot-spl
1404 spl
/sunxi-spl-with-ecc.bin
: spl
/sunxi-spl.bin
1407 spl
/u-boot-spl.sfp
: spl
/u-boot-spl
1410 spl
/boot.bin
: spl
/u-boot-spl
1413 tpl
/u-boot-tpl.bin
: tools prepare \
1414 $(if
$(CONFIG_OF_SEPARATE
)$(CONFIG_SPL_OF_PLATDATA
),dts
/dt.dtb
)
1415 $(Q
)$(MAKE
) obj
=tpl
-f
$(srctree
)/scripts
/Makefile.spl
all
1417 TAG_SUBDIRS
:= $(patsubst %,$(srctree
)/%,$(u-boot-dirs
) include)
1423 ctags
-w
-o ctags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1424 -name '*.[chS]' -print`
1428 etags
-a
-o etags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1429 -name '*.[chS]' -print`
1431 $(FIND
) $(FINDFLAGS
) $(TAG_SUBDIRS
) -name
'*.[chS]' -print > \
1437 grep
-v
'\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
1440 @
$(call SYSTEM_MAP
,$<) > $@
1443 @if
test $(call dtc-version
) -lt
0104; then \
1444 echo
'*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
1448 #########################################################################
1450 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
1451 # R_AARCH64_RELATIVE (64-bit).
1452 checkarmreloc
: u-boot
1453 @RELOC
="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
1454 grep R_A | sort -u`"; \
1455 if
test "$$RELOC" != "R_ARM_RELATIVE" -a \
1456 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
1457 echo
"$< contains unexpected relocations: $$RELOC"; \
1462 $(Q
)$(MAKE
) $(build
)=tools
/$@
1464 tools-only
: scripts_basic
$(version_h
) $(timestamp_h
)
1465 $(Q
)$(MAKE
) $(build
)=tools
1467 tools-all
: export HOST_TOOLS_ALL
=y
1468 tools-all
: env tools
;
1470 cross_tools
: export CROSS_BUILD_TOOLS
=y
1471 cross_tools
: tools
;
1475 git log
--no-merges U-Boot-1_1_5.. | \
1476 unexpand
-a | sed
-e
's/\s\s*$$//' > $@
1478 #########################################################################
1481 # Cleaning is done on three levels.
1482 # make clean Delete most generated files
1483 # Leave enough to build external modules
1484 # make mrproper Delete the current configuration, and all generated files
1485 # make distclean Remove editor backup files, patch leftover files and the like
1487 # Directories & files removed with 'make clean'
1488 CLEAN_DIRS
+= $(MODVERDIR
) \
1489 $(foreach d
, spl tpl
, $(patsubst %,$d/%, \
1490 $(filter-out include, $(shell ls
-1 $d 2>/dev
/null
))))
1492 CLEAN_FILES
+= include/bmp_logo.h
include/bmp_logo_data.h \
1493 boot
* u-boot
* MLO
* SPL System.map fit-dtb.blob
1495 # Directories & files removed with 'make mrproper'
1496 MRPROPER_DIRS
+= include/config
include/generated spl tpl \
1498 MRPROPER_FILES
+= .config .config.old
include/autoconf.mk
* include/config.h \
1499 ctags etags
tags TAGS cscope
* GPATH GTAGS GRTAGS GSYMS
1501 # clean - Delete most, but leave enough to build external modules
1503 clean: rm-dirs
:= $(CLEAN_DIRS
)
1504 clean: rm-files
:= $(CLEAN_FILES
)
1506 clean-dirs
:= $(foreach f
,$(u-boot-alldirs
),$(if
$(wildcard $(srctree
)/$f/Makefile
),$f))
1508 clean-dirs
:= $(addprefix _clean_
, $(clean-dirs
) doc
/DocBook
)
1510 PHONY
+= $(clean-dirs
) clean archclean
1512 $(Q
)$(MAKE
) $(clean)=$(patsubst _clean_
%,%,$@
)
1514 # TODO: Do not use *.cfgtmp
1515 clean: $(clean-dirs
)
1518 @find
$(if
$(KBUILD_EXTMOD
), $(KBUILD_EXTMOD
), .
) $(RCS_FIND_IGNORE
) \
1519 \
( -name
'*.[oas]' -o
-name
'*.ko' -o
-name
'.*.cmd' \
1520 -o
-name
'*.ko.*' -o
-name
'*.su' -o
-name
'*.cfgtmp' \
1521 -o
-name
'.*.d' -o
-name
'.*.tmp' -o
-name
'*.mod.c' \
1522 -o
-name
'*.symtypes' -o
-name
'modules.order' \
1523 -o
-name modules.builtin
-o
-name
'.tmp_*.o.*' \
1524 -o
-name
'dsdt.aml' -o
-name
'dsdt.asl.tmp' -o
-name
'dsdt.c' \
1525 -o
-name
'*.gcno' \
) -type f
-print | xargs
rm -f
1527 # mrproper - Delete all generated files, including .config
1529 mrproper
: rm-dirs
:= $(wildcard $(MRPROPER_DIRS
))
1530 mrproper
: rm-files
:= $(wildcard $(MRPROPER_FILES
))
1531 mrproper-dirs
:= $(addprefix _mrproper_
,scripts
)
1533 PHONY
+= $(mrproper-dirs
) mrproper archmrproper
1535 $(Q
)$(MAKE
) $(clean)=$(patsubst _mrproper_
%,%,$@
)
1537 mrproper
: clean $(mrproper-dirs
)
1540 @
rm -f arch
/*/include/asm
/arch
1547 @find
$(srctree
) $(RCS_FIND_IGNORE
) \
1548 \
( -name
'*.orig' -o
-name
'*.rej' -o
-name
'*~' \
1549 -o
-name
'*.bak' -o
-name
'#*#' -o
-name
'.*.orig' \
1550 -o
-name
'.*.rej' -o
-name
'*%' -o
-name
'core' \
1551 -o
-name
'*.pyc' \
) \
1552 -type f
-print | xargs
rm -f
1556 F
=`basename $(srctree)` ; cd ..
; \
1557 gtar
--force-local
-zcvf
`LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
1560 @echo
'Cleaning targets:'
1561 @echo
' clean - Remove most generated files but keep the config'
1562 @echo
' mrproper - Remove all generated files + config + various backup files'
1563 @echo
' distclean - mrproper + remove editor backup and patch files'
1565 @echo
'Configuration targets:'
1566 @
$(MAKE
) -f
$(srctree
)/scripts
/kconfig
/Makefile help
1568 @echo
'Other generic targets:'
1569 @echo
' all - Build all necessary images depending on configuration'
1570 @echo
' tests - Build U-Boot for sandbox and run tests'
1571 @echo
'* u-boot - Build the bare u-boot'
1572 @echo
' dir/ - Build all files in dir and below'
1573 @echo
' dir/file.[oisS] - Build specified target only'
1574 @echo
' dir/file.lst - Build specified mixed source/assembly target only'
1575 @echo
' (requires a recent binutils and recent build (System.map))'
1576 @echo
' tags/ctags - Generate ctags file for editors'
1577 @echo
' etags - Generate etags file for editors'
1578 @echo
' cscope - Generate cscope index'
1579 @echo
' ubootrelease - Output the release version string (use with make -s)'
1580 @echo
' ubootversion - Output the version stored in Makefile (use with make -s)'
1581 @echo
" cfg - Don't build, just create the .cfg files"
1583 @echo
'Static analysers'
1584 @echo
' checkstack - Generate a list of stack hogs'
1586 @echo
'Documentation targets:'
1587 @
$(MAKE
) -f
$(srctree
)/doc
/DocBook
/Makefile dochelp
1589 @echo
' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
1590 @echo
' make V=2 [targets] 2 => give reason for rebuild of target'
1591 @echo
' make O=dir [targets] Locate all output files in "dir", including .config'
1592 @echo
' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
1593 @echo
' make C=2 [targets] Force check of all c source with $$CHECK'
1594 @echo
' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
1595 @echo
' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
1596 @echo
' 1: warnings which may be relevant and do not occur too often'
1597 @echo
' 2: warnings which occur quite often but may still be relevant'
1598 @echo
' 3: more obscure warnings, can most likely be ignored'
1599 @echo
' Multiple levels can be combined with W=12 or W=123'
1601 @echo
'Execute "make" or "make all" to build all targets marked with [*] '
1602 @echo
'For further info see the ./README file'
1607 # Documentation targets
1608 # ---------------------------------------------------------------------------
1609 %docs
: scripts_basic FORCE
1610 $(Q
)$(MAKE
) $(build
)=scripts build_docproc
1611 $(Q
)$(MAKE
) $(build
)=doc
/DocBook
$@
1613 endif #ifeq ($(config-targets),1)
1614 endif #ifeq ($(mixed-targets),1)
1616 PHONY
+= checkstack ubootrelease ubootversion
1619 $(OBJDUMP
) -d u-boot
$$(find .
-name u-boot-spl
) | \
1620 $(PERL
) $(src
)/scripts
/checkstack.pl
$(ARCH
)
1623 @echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1626 @echo
$(UBOOTVERSION
)
1629 # ---------------------------------------------------------------------------
1630 # Single targets are compatible with:
1631 # - build with mixed source and output
1632 # - build with separate output dir 'make O=...'
1633 # - external modules
1635 # target-dir => where to store outputfile
1636 # build-dir => directory in kernel source tree to use
1638 ifeq ($(KBUILD_EXTMOD
),)
1639 build-dir
= $(patsubst %/,%,$(dir $@
))
1640 target-dir
= $(dir $@
)
1642 zap-slash
=$(filter-out .
,$(patsubst %/,%,$(dir $@
)))
1643 build-dir
= $(KBUILD_EXTMOD
)$(if
$(zap-slash
),/$(zap-slash
))
1644 target-dir
= $(if
$(KBUILD_EXTMOD
),$(dir $<),$(dir $@
))
1647 %.s
: %.c prepare scripts FORCE
1648 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1649 %.i
: %.c prepare scripts FORCE
1650 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1651 %.o
: %.c prepare scripts FORCE
1652 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1653 %.lst
: %.c prepare scripts FORCE
1654 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1655 %.s
: %.S prepare scripts FORCE
1656 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1657 %.o
: %.S prepare scripts FORCE
1658 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1659 %.symtypes
: %.c prepare scripts FORCE
1660 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1663 /: prepare scripts FORCE
1665 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1666 $(build
)=$(build-dir
)
1667 %/: prepare scripts FORCE
1669 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1670 $(build
)=$(build-dir
)
1671 %.ko
: prepare scripts FORCE
1673 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1674 $(build
)=$(build-dir
) $(@
:.ko
=.o
)
1675 $(Q
)$(MAKE
) -f
$(srctree
)/scripts
/Makefile.modpost
1677 # FIXME Should go into a make.lib or something
1678 # ===========================================================================
1680 quiet_cmd_rmdirs
= $(if
$(wildcard $(rm-dirs
)),CLEAN
$(wildcard $(rm-dirs
)))
1681 cmd_rmdirs
= rm -rf
$(rm-dirs
)
1683 quiet_cmd_rmfiles
= $(if
$(wildcard $(rm-files
)),CLEAN
$(wildcard $(rm-files
)))
1684 cmd_rmfiles
= rm -f
$(rm-files
)
1686 # read all saved command lines
1688 targets
:= $(wildcard $(sort $(targets
)))
1689 cmd_files
:= $(wildcard .
*.cmd
$(foreach f
,$(targets
),$(dir $(f
)).
$(notdir $(f
)).cmd
))
1691 ifneq ($(cmd_files
),)
1692 $(cmd_files
): ; # Do not try to update included dependency files
1693 include $(cmd_files
)
1696 endif # skip-makefile
1701 # Declare the contents of the .PHONY variable as phony. We keep that
1702 # information in a variable so we can use it in if_changed and friends.