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
:= $(O
)
112 ifeq ("$(origin W)", "command line")
113 export KBUILD_ENABLE_EXTRA_GCC_CHECKS
:= $(W
)
116 # That's our default target when none is given on the command line
120 # Cancel implicit rules on top Makefile
121 $(CURDIR
)/Makefile Makefile
: ;
123 ifneq ($(KBUILD_OUTPUT
),)
124 # Invoke a second make in the output directory, passing relevant variables
125 # check that the output directory actually exists
126 saved-output
:= $(KBUILD_OUTPUT
)
127 KBUILD_OUTPUT
:= $(shell cd
$(KBUILD_OUTPUT
) && /bin
/pwd
)
128 $(if
$(KBUILD_OUTPUT
),, \
129 $(error output directory
"$(saved-output)" does not exist
))
131 PHONY
+= $(MAKECMDGOALS
) sub-make
133 $(filter-out _all sub-make
$(CURDIR
)/Makefile
, $(MAKECMDGOALS
)) _all
: sub-make
137 $(if
$(KBUILD_VERBOSE
:1=),@
)$(MAKE
) -C
$(KBUILD_OUTPUT
) \
138 KBUILD_SRC
=$(CURDIR
) \
139 KBUILD_EXTMOD
="$(KBUILD_EXTMOD)" -f
$(CURDIR
)/Makefile \
140 $(filter-out _all sub-make
,$(MAKECMDGOALS
))
142 # Leave processing to above invocation of make
144 endif # ifneq ($(KBUILD_OUTPUT),)
145 endif # ifeq ($(KBUILD_SRC),)
147 # We process the rest of the Makefile if this is the final invocation of make
148 ifeq ($(skip-makefile
),)
150 # If building an external module we do not care about the all: rule
151 # but instead _all depend on modules
153 ifeq ($(KBUILD_EXTMOD
),)
159 srctree
:= $(if
$(KBUILD_SRC
),$(KBUILD_SRC
),$(CURDIR
))
164 VPATH
:= $(srctree
)$(if
$(KBUILD_EXTMOD
),:$(KBUILD_EXTMOD
))
166 export srctree objtree VPATH
168 OBJTREE
:= $(objtree
)
169 SPLTREE
:= $(OBJTREE
)/spl
170 TPLTREE
:= $(OBJTREE
)/tpl
171 SRCTREE
:= $(srctree
)
173 export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
175 MKCONFIG
:= $(SRCTREE
)/mkconfig
178 # Make sure CDPATH settings don't interfere
181 #########################################################################
183 TIMESTAMP_FILE
= include/generated
/timestamp_autogenerated.h
184 VERSION_FILE
= include/generated
/version_autogenerated.h
186 HOSTARCH
:= $(shell uname
-m | \
188 -e s
/sun4u
/sparc64
/ \
191 -e s
/ppc64
/powerpc
/ \
193 -e s
/macppc
/powerpc
/\
196 HOSTOS
:= $(shell uname
-s | tr
'[:upper:]' '[:lower:]' | \
197 sed
-e
's/\(cygwin\).*/cygwin/')
199 export HOSTARCH HOSTOS
201 # Deal with colliding definitions from tcsh etc.
204 #########################################################################
206 # set default to nothing for native builds
207 ifeq ($(HOSTARCH
),$(ARCH
))
211 # SHELL used by kbuild
212 CONFIG_SHELL
:= $(shell if
[ -x
"$$BASH" ]; then echo
$$BASH; \
213 else if
[ -x
/bin
/bash
]; then echo
/bin
/bash
; \
214 else echo sh
; fi
; fi
)
217 HOSTCFLAGS
= -Wall
-Wstrict-prototypes
-O2
-fomit-frame-pointer
219 ifeq ($(HOSTOS
),cygwin
)
223 # Mac OS X / Darwin's C preprocessor is Apple specific. It
224 # generates numerous errors and warnings. We want to bypass it
225 # and use GNU C's cpp. To do this we pass the -traditional-cpp
226 # option to the compiler. Note that the -traditional-cpp flag
227 # DOES NOT have the same semantics as GNU C's flag, all it does
228 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
230 # Apple's linker is similar, thanks to the new 2 stage linking
231 # multiple symbol definitions are treated as errors, hence the
232 # -multiply_defined suppress option to turn off this error.
234 ifeq ($(HOSTOS
),darwin
)
235 # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
236 DARWIN_MAJOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
1 -d
'.')
237 DARWIN_MINOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
2 -d
'.')
239 os_x_before
= $(shell if
[ $(DARWIN_MAJOR_VERSION
) -le
$(1) -a \
240 $(DARWIN_MINOR_VERSION
) -le
$(2) ] ; then echo
"$(3)"; else echo
"$(4)"; fi
;)
242 # Snow Leopards build environment has no longer restrictions as described above
243 HOSTCC
= $(call os_x_before
, 10, 5, "cc", "gcc")
244 HOSTCFLAGS
+= $(call os_x_before
, 10, 4, "-traditional-cpp")
245 HOSTLDFLAGS
+= $(call os_x_before
, 10, 5, "-multiply_defined suppress")
248 # Decide whether to build built-in, modular, or both.
249 # Normally, just do built-in.
254 # If we have only "make modules", don't compile built-in objects.
255 # When we're building modules with modversions, we need to consider
256 # the built-in objects during the descend as well, in order to
257 # make sure the checksums are up to date before we record them.
259 ifeq ($(MAKECMDGOALS
),modules
)
260 KBUILD_BUILTIN
:= $(if
$(CONFIG_MODVERSIONS
),1)
263 # If we have "make <whatever> modules", compile modules
264 # in addition to whatever we do anyway.
265 # Just "make" or "make all" shall build modules as well
267 # U-Boot does not need modules
268 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
269 # KBUILD_MODULES := 1
272 #ifeq ($(MAKECMDGOALS),)
273 # KBUILD_MODULES := 1
276 export KBUILD_MODULES KBUILD_BUILTIN
277 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
280 # ---------------------------------------------------------------------------
282 # Normally, we echo the whole command before executing it. By making
283 # that echo $($(quiet)$(cmd)), we now have the possibility to set
284 # $(quiet) to choose other forms of output instead, e.g.
286 # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
287 # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
289 # If $(quiet) is empty, the whole command will be printed.
290 # If it is set to "quiet_", only the short version will be printed.
291 # If it is set to "silent_", nothing will be printed at all, since
292 # the variable $(silent_cmd_cc_o_c) doesn't exist.
294 # A simple variant is to prefix commands with $(Q) - that's useful
295 # for commands that shall be hidden in non-verbose mode.
299 # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
300 # If KBUILD_VERBOSE equals 1 then the above command is displayed.
302 ifeq ($(KBUILD_VERBOSE
),1)
310 # If the user is running make -s (silent mode), suppress echoing of
313 ifneq ($(filter s
% -s
%,$(MAKEFLAGS
)),)
317 export quiet Q KBUILD_VERBOSE
320 # Look for make include files relative to root of kernel src
321 MAKEFLAGS
+= --include-dir
=$(srctree
)
323 # We need some generic definitions (do not try to remake the file).
324 $(srctree
)/scripts
/Kbuild.
include: ;
325 include $(srctree
)/scripts
/Kbuild.
include
327 # Make variables (CC, etc...)
329 AS
= $(CROSS_COMPILE
)as
331 ifneq ($(shell $(CROSS_COMPILE
)ld.bfd
-v
2> /dev
/null
),)
332 LD
= $(CROSS_COMPILE
)ld.bfd
334 LD
= $(CROSS_COMPILE
)ld
336 CC
= $(CROSS_COMPILE
)gcc
338 AR
= $(CROSS_COMPILE
)ar
339 NM
= $(CROSS_COMPILE
)nm
340 LDR
= $(CROSS_COMPILE
)ldr
341 STRIP
= $(CROSS_COMPILE
)strip
342 OBJCOPY
= $(CROSS_COMPILE
)objcopy
343 OBJDUMP
= $(CROSS_COMPILE
)objdump
345 RANLIB
= $(CROSS_COMPILE
)RANLIB
349 CHECKFLAGS
:= -D__linux__
-Dlinux
-D__STDC__
-Dunix
-D__unix__ \
350 -Wbitwise
-Wno-return-void
-D__CHECK_ENDIAN__
$(CF
)
352 KBUILD_CPPFLAGS
:= -D__KERNEL__
354 KBUILD_CFLAGS
:= -Wall
-Wstrict-prototypes \
355 -Wno-format-security \
356 -fno-builtin
-ffreestanding
357 KBUILD_AFLAGS
:= -D__ASSEMBLY__
359 U_BOOT_VERSION
= $(VERSION
)$(if
$(PATCHLEVEL
),.
$(PATCHLEVEL
)$(if
$(SUBLEVEL
),.
$(SUBLEVEL
)))$(EXTRAVERSION
)
361 export VERSION PATCHLEVEL SUBLEVEL U_BOOT_VERSION
362 export ARCH CPU BOARD VENDOR SOC
363 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
364 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
366 export DTC CHECK CHECKFLAGS
368 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE
369 export KBUILD_CFLAGS KBUILD_AFLAGS
371 # When compiling out-of-tree modules, put MODVERDIR in the module
372 # tree rather than in the kernel tree. The kernel tree might
374 export MODVERDIR
:= $(if
$(KBUILD_EXTMOD
),$(firstword $(KBUILD_EXTMOD
))/).tmp_versions
376 # Files to ignore in find ... statements
378 RCS_FIND_IGNORE
:= \
( -name SCCS
-o
-name BitKeeper
-o
-name .svn
-o
-name CVS \
379 -o
-name .
pc -o
-name .hg
-o
-name .git \
) -prune
-o
380 export RCS_TAR_IGNORE
:= --exclude SCCS
--exclude BitKeeper
--exclude .svn \
381 --exclude CVS
--exclude .
pc --exclude .hg
--exclude .git
383 # ===========================================================================
384 # Rules shared between *config targets and build targets
386 # Basic helpers built in scripts/
387 PHONY
+= scripts_basic
389 $(Q
)$(MAKE
) $(build
)=scripts
/basic
390 $(Q
)rm -f .tmp_quiet_recordmcount
392 # To avoid any implicit rule to kick in, define an empty command.
393 scripts
/basic
/%: scripts_basic
;
395 PHONY
+= outputmakefile
396 # outputmakefile generates a Makefile in the output directory, if using a
397 # separate output directory. This allows convenient use of make in the
400 ifneq ($(KBUILD_SRC
),)
401 $(Q
)ln
-fsn
$(srctree
) source
402 $(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/mkmakefile \
403 $(srctree
) $(objtree
) $(VERSION
) $(PATCHLEVEL
)
406 # To make sure we do not include .config for any of the *config targets
407 # catch them early, and hand them over to scripts/kconfig/Makefile
408 # It is allowed to specify more targets when calling make, including
409 # mixing *config targets and build targets.
410 # For example 'make oldconfig all'.
411 # Detect when mixed targets is specified, and make a second invocation
412 # of make so .config is not included in this case either (for *config).
414 no-dot-config-targets
:= clean clobber mrproper
distclean \
415 cscope TAGS
%tags help
%docs
check% coccicheck \
422 ifneq ($(filter $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
423 ifeq ($(filter-out $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
428 ifeq ($(KBUILD_EXTMOD
),)
429 ifneq ($(filter config
%config
,$(MAKECMDGOALS
)),)
431 ifneq ($(filter-out config
%config
,$(MAKECMDGOALS
)),)
437 ifeq ($(mixed-targets
),1)
438 # ===========================================================================
439 # We're called with mixed targets (*config and build targets).
440 # Handle them one by one.
442 PHONY
+= $(MAKECMDGOALS
) build-one-by-one
444 $(MAKECMDGOALS
): build-one-by-one
449 for i in
$(MAKECMDGOALS
); do \
450 $(MAKE
) -f
$(srctree
)/Makefile
$$i; \
454 ifeq ($(config-targets
),1)
455 # ===========================================================================
456 # *config targets only - make sure prerequisites are updated, and descend
457 # in scripts/kconfig to make the *config target
459 # Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
460 # KBUILD_DEFCONFIG may point out an alternative default configuration
461 # used for 'make defconfig'
463 %_config
:: outputmakefile
464 @
$(MKCONFIG
) -A
$(@
:_config
=)
467 # ===========================================================================
468 # Build targets only - this includes vmlinux, arch specific targets, clean
469 # targets and others. In general all targets except *config targets.
471 # load ARCH, BOARD, and CPU configuration
472 -include include/config.mk
474 ifeq ($(dot-config
),1)
476 -include include/autoconf.mk
477 -include include/autoconf.mk.dep
479 # load other configuration
480 include $(srctree
)/config.mk
482 ifeq ($(wildcard include/config.mk
),)
483 $(error
"System not configured - see README")
486 ifeq ($(__HAVE_ARCH_GENERIC_BOARD
),)
487 ifneq ($(CONFIG_SYS_GENERIC_BOARD
),)
488 $(error Your architecture does not support generic board. \
489 Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file
)
493 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
494 # that (or fail if absent). Otherwise, search for a linker script in a
497 LDSCRIPT_MAKEFILE_DIR
= $(dir $(LDSCRIPT
))
500 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
501 ifdef CONFIG_SYS_LDSCRIPT
502 # need to strip off double quotes
503 LDSCRIPT
:= $(CONFIG_SYS_LDSCRIPT
:"%"=%)
507 # If there is no specified link script, we look in a number of places for it
509 ifeq ($(CONFIG_NAND_U_BOOT
),y
)
510 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot-nand.lds
511 ifeq ($(wildcard $(LDSCRIPT
)),)
512 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot-nand.lds
515 ifeq ($(wildcard $(LDSCRIPT
)),)
516 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot.lds
518 ifeq ($(wildcard $(LDSCRIPT
)),)
519 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot.lds
521 ifeq ($(wildcard $(LDSCRIPT
)),)
522 LDSCRIPT
:= $(TOPDIR
)/arch
/$(ARCH
)/cpu
/u-boot.lds
523 # We don't expect a Makefile here
524 LDSCRIPT_MAKEFILE_DIR
=
526 ifeq ($(wildcard $(LDSCRIPT
)),)
527 $(error could not find linker script
)
534 endif # $(dot-config)
536 KBUILD_CFLAGS
+= -Os
#-fomit-frame-pointer
539 KBUILD_CFLAGS
+= -DBUILD_TAG
='"$(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 KBUILD_CFLAGS
+= $(call cc-option
,-fstack-usage
)
552 KBUILD_CFLAGS
+= $(call cc-option
,-Wno-format-nonliteral
)
554 # turn jbsr into jsr for m68k
556 ifeq ($(findstring 3.4,$(shell $(CC
) --version
)),3.4)
557 KBUILD_AFLAGS
+= -Wa
,-gstabs
,-S
561 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
562 KBUILD_CPPFLAGS
+= -DCONFIG_SYS_TEXT_BASE
=$(CONFIG_SYS_TEXT_BASE
)
565 export CONFIG_SYS_TEXT_BASE
567 # Use UBOOTINCLUDE when you must reference the include/ directory.
568 # Needed to be compatible with the O= option
570 ifneq ($(OBJTREE
),$(SRCTREE
))
571 UBOOTINCLUDE
+= -I
$(OBJTREE
)/include
573 UBOOTINCLUDE
+= -I
$(srctree
)/include \
574 -I
$(srctree
)/arch
/$(ARCH
)/include
576 NOSTDINC_FLAGS
+= -nostdinc
-isystem
$(shell $(CC
) -print-file-name
=include)
577 CHECKFLAGS
+= $(NOSTDINC_FLAGS
)
580 cpp_flags
:= $(KBUILD_CPPFLAGS
) $(CPPFLAGS
) $(UBOOTINCLUDE
) $(NOSTDINC_FLAGS
)
581 c_flags
:= $(KBUILD_CFLAGS
) $(cpp_flags
)
583 .PHONY
: $(VERSION_FILE
) $(TIMESTAMP_FILE
)
585 #########################################################################
586 # U-Boot objects....order is important (i.e. start must be first)
588 head-y
:= $(CPUDIR
)/start.o
589 head-
$(CONFIG_4xx
) += arch
/powerpc
/cpu
/ppc4xx
/resetvec.o
590 head-
$(CONFIG_MPC85xx
) += arch
/powerpc
/cpu
/mpc85xx
/resetvec.o
592 HAVE_VENDOR_COMMON_LIB
= $(if
$(wildcard $(srctree
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
595 libs-
$(HAVE_VENDOR_COMMON_LIB
) += board
/$(VENDOR
)/common
/
598 libs-y
+= $(CPUDIR
)/$(SOC
)/
600 libs-
$(CONFIG_IXP4XX_NPE
) += drivers
/net
/npe
/
601 libs-
$(CONFIG_OF_EMBED
) += dts
/
602 libs-y
+= arch
/$(ARCH
)/lib
/
607 libs-y
+= drivers
/dma
/
608 libs-y
+= drivers
/gpio
/
609 libs-y
+= drivers
/i2c
/
610 libs-y
+= drivers
/input
/
611 libs-y
+= drivers
/mmc
/
612 libs-y
+= drivers
/mtd
/
613 libs-
$(CONFIG_CMD_NAND
) += drivers
/mtd
/nand
/
614 libs-y
+= drivers
/mtd
/onenand
/
615 libs-
$(CONFIG_CMD_UBI
) += drivers
/mtd
/ubi
/
616 libs-y
+= drivers
/mtd
/spi
/
617 libs-y
+= drivers
/net
/
618 libs-y
+= drivers
/net
/phy
/
619 libs-y
+= drivers
/pci
/
620 libs-y
+= drivers
/power
/ \
621 drivers
/power
/fuel_gauge
/ \
623 drivers
/power
/pmic
/ \
624 drivers
/power
/battery
/
625 libs-y
+= drivers
/spi
/
626 libs-
$(CONFIG_FMAN_ENET
) += drivers
/net
/fm
/
627 libs-
$(CONFIG_SYS_FSL_DDR
) += drivers
/ddr
/fsl
/
628 libs-y
+= drivers
/serial
/
629 libs-y
+= drivers
/usb
/eth
/
630 libs-y
+= drivers
/usb
/gadget
/
631 libs-y
+= drivers
/usb
/host
/
632 libs-y
+= drivers
/usb
/musb
/
633 libs-y
+= drivers
/usb
/musb-new
/
634 libs-y
+= drivers
/usb
/phy
/
635 libs-y
+= drivers
/usb
/ulpi
/
637 libs-y
+= lib
/libfdt
/
638 libs-
$(CONFIG_API
) += api
/
639 libs-
$(CONFIG_HAS_POST
) += post
/
642 ifneq (,$(filter $(SOC
), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610
))
643 libs-y
+= arch
/$(ARCH
)/imx-common
/
646 libs-
$(CONFIG_ARM
) += arch
/arm
/cpu
/
647 libs-
$(CONFIG_PPC
) += arch
/powerpc
/cpu
/
649 libs-y
+= board
/$(BOARDDIR
)/
651 libs-y
:= $(sort $(libs-y
))
653 u-boot-dirs
:= $(patsubst %/,%,$(filter %/, $(libs-y
))) tools examples
655 u-boot-alldirs
:= $(sort $(u-boot-dirs
) $(patsubst %/,%,$(filter %/, $(libs-
))))
657 libs-y
:= $(patsubst %/, %/built-in.o
, $(libs-y
))
659 u-boot-init
:= $(head-y
)
660 u-boot-main
:= $(libs-y
)
664 ifdef USE_PRIVATE_LIBGCC
665 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
666 PLATFORM_LIBGCC
= $(OBJTREE
)/arch
/$(ARCH
)/lib
/lib.a
668 PLATFORM_LIBGCC
= -L
$(USE_PRIVATE_LIBGCC
) -lgcc
671 PLATFORM_LIBGCC
:= -L
$(shell dirname
`$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
673 PLATFORM_LIBS
+= $(PLATFORM_LIBGCC
)
676 # Special flags for CPP when processing the linker script.
677 # Pass the version down so we can handle backwards compatibility
680 -include $(TOPDIR
)/include/u-boot
/u-boot.lds.h \
682 $(shell $(LD
) --version | \
683 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
685 #########################################################################
686 #########################################################################
688 ifneq ($(CONFIG_BOARD_SIZE_LIMIT
),)
690 @actual
=`wc -c $@ | awk '{print $$1}'`; \
691 limit
=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
692 if
test $$actual -gt
$$limit; then \
693 echo
"$@ exceeds file size limit:" >&2 ; \
694 echo
" limit: $$limit bytes" >&2 ; \
695 echo
" actual: $$actual bytes" >&2 ; \
696 echo
" excess: $$((actual - limit)) bytes" >&2; \
703 # Statically apply RELA-style relocations (currently arm64 only)
704 ifneq ($(CONFIG_STATIC_RELA
),)
705 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
707 start
=$$($(NM
) $(1) | grep __rel_dyn_start | cut
-f
1 -d
' '); \
708 end
=$$($(NM
) $(1) | grep __rel_dyn_end | cut
-f
1 -d
' '); \
709 tools
/relocate-rela
$(2) $(3) $$start $$end
714 # Always append ALL so that arch config.mk's can add custom ones
715 ALL-y
+= u-boot.srec u-boot.bin System.map
717 ALL-
$(CONFIG_NAND_U_BOOT
) += u-boot-nand.bin
718 ALL-
$(CONFIG_ONENAND_U_BOOT
) += u-boot-onenand.bin
719 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot.pbl
720 ALL-
$(CONFIG_SPL
) += spl
/u-boot-spl.bin
721 ALL-
$(CONFIG_SPL_FRAMEWORK
) += u-boot.img
722 ALL-
$(CONFIG_TPL
) += tpl
/u-boot-tpl.bin
723 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot.dtb u-boot-dtb.bin
724 ifneq ($(CONFIG_SPL_TARGET
),)
725 ALL-
$(CONFIG_SPL
) += $(CONFIG_SPL_TARGET
:"%"=%)
727 ALL-
$(CONFIG_REMAKE_ELF
) += u-boot.elf
729 # enable combined SPL/u-boot/dtb rules for tegra
730 ifneq ($(CONFIG_TEGRA
),)
731 ifeq ($(CONFIG_SPL
),y
)
732 ifeq ($(CONFIG_OF_SEPARATE
),y
)
733 ALL-y
+= u-boot-dtb-tegra.bin
735 ALL-y
+= u-boot-nodtb-tegra.bin
740 LDFLAGS_u-boot
+= -T u-boot.lds
$(LDFLAGS_FINAL
)
741 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
742 LDFLAGS_u-boot
+= -Ttext
$(CONFIG_SYS_TEXT_BASE
)
747 u-boot.dtb
: checkdtc u-boot
748 $(MAKE
) $(build
)=dts binary
751 u-boot-dtb.bin
: u-boot.bin u-boot.dtb
755 $(OBJCOPY
) ${OBJCFLAGS} -O ihex
$< $@
758 $(OBJCOPY
) ${OBJCFLAGS} -O srec
$< $@
761 $(OBJCOPY
) ${OBJCFLAGS} -O binary
$< $@
762 $(call DO_STATIC_RELA
,$<,$@
,$(CONFIG_SYS_TEXT_BASE
))
767 $(LDR
) -T
$(CONFIG_BFIN_CPU
) -c
$@
$< $(LDR_FLAGS
)
770 u-boot.ldr.hex
: u-boot.ldr
771 $(OBJCOPY
) ${OBJCFLAGS} -O ihex
$< $@
-I binary
773 u-boot.ldr.srec
: u-boot.ldr
774 $(OBJCOPY
) ${OBJCFLAGS} -O srec
$< $@
-I binary
777 # U-Boot entry point, needed for booting of full-blown U-Boot
778 # from the SPL U-Boot version.
780 ifndef CONFIG_SYS_UBOOT_START
781 CONFIG_SYS_UBOOT_START
:= 0
784 u-boot.img
: u-boot.bin
785 tools
/mkimage
-A
$(ARCH
) -T firmware
-C none \
786 -O u-boot
-a
$(CONFIG_SYS_TEXT_BASE
) \
787 -e
$(CONFIG_SYS_UBOOT_START
) \
788 -n
$(shell sed
-n
-e
's/.*U_BOOT_VERSION//p' $(VERSION_FILE
) | \
789 sed
-e
's/"[ ]*$$/ for $(BOARD) board"/') \
792 u-boot.imx
: u-boot.bin
793 $(MAKE
) $(build
)=arch
/arm
/imx-common
$(objtree
)/u-boot.imx
795 u-boot.kwb
: u-boot.bin
796 tools
/mkimage
-n
$(CONFIG_SYS_KWD_CONFIG
) -T kwbimage \
797 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
) -d
$< $@
799 u-boot.pbl
: u-boot.bin
800 tools
/mkimage
-n
$(CONFIG_SYS_FSL_PBL_RCW
) \
801 -R
$(CONFIG_SYS_FSL_PBL_PBI
) -T pblimage \
804 u-boot.sha1
: u-boot.bin
805 tools
/ubsha1 u-boot.bin
808 $(OBJDUMP
) -d
$< > $@
810 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
813 $(OBJCOPY
) ${OBJCFLAGS} --pad-to
=$(4) -I binary
-O binary \
815 cat
$(3) $(2) > $@
; \
819 SPL_PAYLOAD
:= tpl
/u-boot-with-tpl.bin
821 SPL_PAYLOAD
:= u-boot.bin
824 u-boot-with-spl.bin
: spl
/u-boot-spl.bin
$(SPL_PAYLOAD
)
825 $(call SPL_PAD_APPEND
,$<,$(SPL_PAYLOAD
),spl
/u-boot-spl-pad.bin
,$(CONFIG_SPL_PAD_TO
))
827 tpl
/u-boot-with-tpl.bin
: tpl
/u-boot-tpl.bin u-boot.bin
828 $(call SPL_PAD_APPEND
,$<,u-boot.bin
,tpl
/u-boot-tpl-pad.bin
,$(CONFIG_TPL_PAD_TO
))
830 u-boot-with-spl.imx
: spl
/u-boot-spl.bin u-boot.bin
831 $(MAKE
) $(build
)=arch
/arm
/imx-common \
832 $(OBJTREE
)/u-boot-with-spl.imx
834 u-boot-with-nand-spl.imx
: spl
/u-boot-spl.bin u-boot.bin
835 $(MAKE
) $(build
)=arch
/arm
/imx-common \
836 $(OBJTREE
)/u-boot-with-nand-spl.imx
838 u-boot.ubl
: u-boot-with-spl.bin
839 tools
/mkimage
-n
$(UBL_CONFIG
) -T ublimage \
840 -e
$(CONFIG_SYS_TEXT_BASE
) -d
$< u-boot.ubl
842 u-boot.ais
: spl
/u-boot-spl.bin u-boot.img
843 tools
/mkimage
-s
-n
$(if
$(CONFIG_AIS_CONFIG_FILE
),$(srctree
)/$(CONFIG_AIS_CONFIG_FILE
:"%"=%),"/dev/null") \
845 -e
$(CONFIG_SPL_TEXT_BASE
) \
846 -d spl
/u-boot-spl.bin \
848 $(OBJCOPY
) ${OBJCFLAGS} -I binary \
849 --pad-to
=$(CONFIG_SPL_MAX_SIZE
) -O binary \
850 spl
/u-boot-spl.ais spl
/u-boot-spl-pad.ais
851 cat spl
/u-boot-spl-pad.ais u-boot.img
> u-boot.ais
854 u-boot.sb
: u-boot.bin spl
/u-boot-spl.bin
855 $(MAKE
) $(build
)=$(CPUDIR
)/$(SOC
)/ $(OBJTREE
)/u-boot.sb
857 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
858 # Both images are created using mkimage (crc etc), so that the ROM
859 # bootloader can check its integrity. Padding needs to be done to the
860 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
861 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
862 # The resulting image containing both U-Boot images is called u-boot.spr
863 u-boot.spr
: u-boot.img spl
/u-boot-spl.bin
864 tools
/mkimage
-A
$(ARCH
) -T firmware
-C none \
865 -a
$(CONFIG_SPL_TEXT_BASE
) -e
$(CONFIG_SPL_TEXT_BASE
) -n XLOADER \
866 -d spl
/u-boot-spl.bin
$@
867 $(OBJCOPY
) -I binary
-O binary \
868 --pad-to
=$(CONFIG_SPL_PAD_TO
) --gap-fill
=0xff $@
871 ifneq ($(CONFIG_TEGRA
),)
872 u-boot-nodtb-tegra.bin
: spl
/u-boot-spl.bin u-boot.bin
873 $(OBJCOPY
) ${OBJCFLAGS} --pad-to
=$(CONFIG_SYS_TEXT_BASE
) -O binary spl
/u-boot-spl spl
/u-boot-spl-pad.bin
874 cat spl
/u-boot-spl-pad.bin u-boot.bin
> $@
875 rm spl
/u-boot-spl-pad.bin
877 ifeq ($(CONFIG_OF_SEPARATE
),y
)
878 u-boot-dtb-tegra.bin
: u-boot-nodtb-tegra.bin u-boot.dtb
879 cat u-boot-nodtb-tegra.bin u-boot.dtb
> $@
883 u-boot-img.bin
: spl
/u-boot-spl.bin u-boot.img
884 cat spl
/u-boot-spl.bin u-boot.img
> $@
886 # PPC4xx needs the SPL at the end of the image, since the reset vector
887 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
888 # and need to introduce a new build target with the full blown U-Boot
889 # at the start padded up to the start of the SPL image. And then concat
890 # the SPL image to the end.
891 u-boot-img-spl-at-end.bin
: spl
/u-boot-spl.bin u-boot.img
892 $(OBJCOPY
) -I binary
-O binary
--pad-to
=$(CONFIG_UBOOT_PAD_TO
) \
893 --gap-fill
=0xff u-boot.img
$@
894 cat spl
/u-boot-spl.bin
>> $@
896 # Create a new ELF from a raw binary file. This is useful for arm64
897 # where static relocation needs to be performed on the raw binary,
898 # but certain simulators only accept an ELF file (but don't do the
900 # FIXME refactor dts/Makefile to share target/arch detection
901 u-boot.elf
: u-boot.bin
902 @
$(OBJCOPY
) -B aarch64
-I binary
-O elf64-littleaarch64 \
904 @
$(LD
) u-boot-elf.o
-o
$@ \
905 --defsym
=_start
=$(CONFIG_SYS_TEXT_BASE
) \
906 -Ttext
=$(CONFIG_SYS_TEXT_BASE
)
908 ifeq ($(CONFIG_SANDBOX
),y
)
910 $(CC
) $(SYMS
) -T u-boot.lds \
911 -Wl
,--start-group
$(u-boot-main
) -Wl
,--end-group \
912 $(PLATFORM_LIBS
) -Wl
,-Map
-Wl
,u-boot.map
-o u-boot
915 $(LD
) $(LDFLAGS
) $(LDFLAGS_
$(@F
)) \
917 --start-group
$(u-boot-main
) --end-group
$(PLATFORM_LIBS
) \
918 -Map u-boot.map
-o u-boot
921 u-boot
: $(u-boot-init
) $(u-boot-main
) u-boot.lds
923 ifeq ($(CONFIG_KALLSYMS
),y
)
924 smap
=`$(call SYSTEM_MAP,u-boot) | \
925 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
926 $(CC
) $(c_flags
) -DSYSTEM_MAP
="\"$${smap}\"" \
927 -c
$(srctree
)/common
/system_map.c
-o common
/system_map.o
928 $(GEN_UBOOT
) common
/system_map.o
931 # The actual objects are generated when descending,
932 # make sure no implicit rule kicks in
933 $(sort $(u-boot-init
) $(u-boot-main
)): $(u-boot-dirs
) ;
935 # Handle descending into subdirectories listed in $(vmlinux-dirs)
936 # Preset locale variables to speed up the build process. Limit locale
937 # tweaks to this spot to avoid wrong language settings when running
938 # make menuconfig etc.
939 # Error messages still appears in the original language
941 PHONY
+= $(u-boot-dirs
)
942 $(u-boot-dirs
): depend prepare scripts
943 $(Q
)$(MAKE
) $(build
)=$@
945 tools
: $(TIMESTAMP_FILE
) $(VERSION_FILE
)
946 # The "tools" are needed early
947 $(filter-out tools
, $(u-boot-dirs
)): tools
948 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
949 # is "yes"), so compile examples after U-Boot is compiled.
950 examples
: $(filter-out examples
, $(u-boot-dirs
))
952 # Things we need to do before we recursively start building the kernel
953 # or the modules are listed in "prepare".
954 # A multi level approach is used. prepareN is processed before prepareN-1.
955 # archprepare is used in arch Makefiles and when processed asm symlink,
956 # version.h and scripts_basic is processed / created.
958 # Listed in dependency order
959 PHONY
+= prepare archprepare prepare0 prepare1 prepare2 prepare3
961 # prepare3 is used to check if we are building in a separate output directory,
963 # 1) Check that make has not been executed in the kernel src $(srctree)
965 ifneq ($(KBUILD_SRC
),)
966 @
$(kecho
) ' Using $(srctree) as source for u-boot'
967 $(Q
)if
[ -f
$(srctree
)/include/config.mk
]; then \
968 echo
>&2 " $(srctree) is not clean, please run 'make mrproper'"; \
969 echo
>&2 " in the '$(srctree)' directory.";\
974 # prepare2 creates a makefile if using a separate output directory
975 prepare2
: prepare3 outputmakefile
980 archprepare
: prepare1 scripts_basic
982 prepare0
: archprepare FORCE
985 # All the preparing..
989 # Auto-generate the autoconf.mk file (which is included by all makefiles)
991 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
992 # the dep file is only include in this top level makefile to determine when
993 # to regenerate the autoconf.mk file.
995 quiet_cmd_autoconf_dep
= GEN
$@
996 cmd_autoconf_dep
= $(CC
) -x c
-DDO_DEPS_ONLY
-M
$(c_flags
) \
997 -MQ
include/autoconf.mk
$(srctree
)/include/common.h
> $@ ||
rm $@
999 include/autoconf.mk.dep
: include/config.h
include/common.h
1000 $(call cmd
,autoconf_dep
)
1002 quiet_cmd_autoconf
= GEN
$@
1004 $(CPP
) $(c_flags
) -DDO_DEPS_ONLY
-dM
$(srctree
)/include/common.h
> $@.tmp
&& \
1005 sed
-n
-f
$(srctree
)/tools
/scripts
/define2mk.sed
$@.tmp
> $@
; \
1008 include/autoconf.mk
: include/config.h
1009 $(call cmd
,autoconf
)
1011 u-boot.lds
: $(LDSCRIPT
) depend
1012 $(CPP
) $(cpp_flags
) $(LDPPFLAGS
) -ansi
-D__ASSEMBLY__
-P
- <$< >$@
1014 nand_spl
: $(TIMESTAMP_FILE
) $(VERSION_FILE
) depend prepare
1015 $(MAKE
) $(build
)=nand_spl
/board
/$(BOARDDIR
) all
1017 u-boot-nand.bin
: nand_spl u-boot.bin
1018 cat nand_spl
/u-boot-spl-16k.bin u-boot.bin
> u-boot-nand.bin
1020 spl
/u-boot-spl.bin
: tools depend prepare
1021 $(MAKE
) obj
=spl
-f
$(srctree
)/spl
/Makefile
all
1023 tpl
/u-boot-tpl.bin
: tools depend prepare
1024 $(MAKE
) obj
=tpl
-f
$(srctree
)/spl
/Makefile
all CONFIG_TPL_BUILD
=y
1026 # Explicitly make _depend in subdirs containing multiple targets to prevent
1027 # parallel sub-makes creating .depend files simultaneously.
1028 depend dep
: $(TIMESTAMP_FILE
) $(VERSION_FILE
) \
1029 include/generated
/generic-asm-offsets.h \
1030 include/generated
/asm-offsets.h
1032 TAG_SUBDIRS
:= $(u-boot-dirs
) include
1040 $(OBJDUMP
) -d u-boot
$$(find .
-name u-boot-spl
) | \
1041 $(PERL
) $(src
)/scripts
/checkstack.pl
$(ARCH
)
1044 ctags
-w
-o ctags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1045 -name '*.[chS]' -print`
1048 etags
-a
-o
$(obj
)etags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1049 -name '*.[chS]' -print`
1051 $(FIND
) $(FINDFLAGS
) $(TAG_SUBDIRS
) -name
'*.[chS]' -print > \
1057 grep
-v
'\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
1060 @
$(call SYSTEM_MAP
,$<) > $@
1063 @if
test $(call cc-version
) -lt
0404; then \
1064 echo
-n
'*** Your GCC does not produce working '; \
1065 echo
'binaries in THUMB mode.'; \
1066 echo
'*** Your board is configured for THUMB mode.'; \
1070 # GCC 3.x is reported to have problems generating the type of relocation
1071 # that U-Boot wants.
1072 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
1074 @if
test $(call cc-version
) -lt
0400; then \
1075 echo
-n
'*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
1080 @if
test $(call dtc-version
) -lt
0104; then \
1081 echo
'*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
1085 quiet_cmd_offsets
= GEN
$@
1086 cmd_offsets
= $(srctree
)/tools
/scripts
/make-asm-offsets
$< $@
1088 include/generated
/generic-asm-offsets.h
: lib
/asm-offsets.s
1091 quiet_cmd_asm-offsets.s
= CC
$@
1092 cmd_asm-offsets.s
= mkdir
-p lib
; \
1093 $(CC
) -DDO_DEPS_ONLY \
1094 $(c_flags
) $(CFLAGS_
$(BCURDIR
)/$(@F
)) $(CFLAGS_
$(BCURDIR
)) \
1097 lib
/asm-offsets.s
: $(srctree
)/lib
/asm-offsets.c
include/config.h
1098 $(call cmd
,asm-offsets.s
)
1100 include/generated
/asm-offsets.h
: $(CPUDIR
)/$(SOC
)/asm-offsets.s
1103 quiet_cmd_soc_asm-offsets.s
= CC
$@
1104 cmd_soc_asm-offsets.s
= mkdir
-p
$(CPUDIR
)/$(SOC
); \
1105 if
[ -f
$(srctree
)/$(CPUDIR
)/$(SOC
)/asm-offsets.c
];then \
1106 $(CC
) -DDO_DEPS_ONLY \
1107 $(c_flags
) $(CFLAGS_
$(BCURDIR
)/$(@F
)) $(CFLAGS_
$(BCURDIR
)) \
1108 -o
$@
$(srctree
)/$(CPUDIR
)/$(SOC
)/asm-offsets.c
-c
-S
; \
1113 $(CPUDIR
)/$(SOC
)/asm-offsets.s
: include/config.h
1114 $(call cmd
,soc_asm-offsets.s
)
1116 #########################################################################
1118 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
1119 # R_AARCH64_RELATIVE (64-bit).
1120 checkarmreloc
: u-boot
1121 @RELOC
="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
1122 grep R_A | sort -u`"; \
1123 if
test "$$RELOC" != "R_ARM_RELATIVE" -a \
1124 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
1125 echo
"$< contains unexpected relocations: $$RELOC"; \
1130 @mkdir
-p
$(dir $(VERSION_FILE
))
1131 @
( localvers
='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
1132 printf
'#define PLAIN_VERSION "%s%s"\n' \
1133 "$(U_BOOT_VERSION)" "$${localvers}" ; \
1134 printf
'#define U_BOOT_VERSION "U-Boot %s%s"\n' \
1135 "$(U_BOOT_VERSION)" "$${localvers}" ; \
1137 @
( printf
'#define CC_VERSION_STRING "%s"\n' \
1138 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
1139 @
( printf
'#define LD_VERSION_STRING "%s"\n' \
1140 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
1141 @cmp
-s
$@
$@.tmp
&& rm -f
$@.tmp || mv
-f
$@.tmp
$@
1144 @mkdir
-p
$(dir $(TIMESTAMP_FILE
))
1145 @LC_ALL
=C date
+'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
1146 @LC_ALL
=C date
+'#define U_BOOT_TIME "%T"' >> $@.tmp
1147 @cmp
-s
$@
$@.tmp
&& rm -f
$@.tmp || mv
-f
$@.tmp
$@
1149 env
: depend scripts_basic
1150 $(Q
)$(MAKE
) $(build
)=tools
/$@
1152 tools-all
: HOST_TOOLS_ALL
=y
1153 tools-all
: env tools
;
1157 git log
--no-merges U-Boot-1_1_5.. | \
1158 unexpand
-a | sed
-e
's/\s\s*$$//' > $@
1160 include/license.h
: tools
/bin2header COPYING
1161 cat COPYING | gzip
-9 -c | .
/tools
/bin2header license_gzip
> include/license.h
1162 #########################################################################
1165 # Cleaning is done on three levels.
1166 # make clean Delete most generated files
1167 # Leave enough to build external modules
1168 # make mrproper Delete the current configuration, and all generated files
1169 # make distclean Remove editor backup files, patch leftover files and the like
1171 # Directories & files removed with 'make clean'
1172 CLEAN_DIRS
+= $(MODVERDIR
)
1173 CLEAN_FILES
+= u-boot.lds
include/bmp_logo.h
include/bmp_logo_data.h \
1174 board
/*/config.tmp board
/*/*/config.tmp dts
/*.tmp \
1175 include/autoconf.mk
* include/spl-autoconf.mk \
1176 include/tpl-autoconf.mk
1178 # Directories & files removed with 'make clobber'
1179 CLOBBER_DIRS
+= $(patsubst %,spl
/%, $(filter-out Makefile
, \
1180 $(shell ls
-1 spl
2>/dev
/null
))) \
1182 CLOBBER_FILES
+= u-boot
* MLO MLO
* SPL System.map nand_spl
/u-boot
*
1184 # Directories & files removed with 'make mrproper'
1185 MRPROPER_DIRS
+= include/config
include/generated
1186 MRPROPER_FILES
+= .config .config.old \
1187 tags TAGS cscope
* GPATH GTAGS GRTAGS GSYMS \
1188 include/config.h
include/config.mk
1190 # clean - Delete most, but leave enough to build external modules
1192 clean: rm-dirs
:= $(CLEAN_DIRS
)
1193 clean: rm-files
:= $(CLEAN_FILES
)
1195 clean-dirs
:= $(foreach f
,$(u-boot-alldirs
),$(if
$(wildcard $f/Makefile
),$f))
1197 clean-dirs
:= $(addprefix _clean_
, $(clean-dirs
) doc
/DocBook
)
1199 PHONY
+= $(clean-dirs
) clean archclean
1201 $(Q
)$(MAKE
) $(clean)=$(patsubst _clean_
%,%,$@
)
1203 # TODO: Do not use *.cfgtmp
1204 clean: $(clean-dirs
)
1207 @find
$(if
$(KBUILD_EXTMOD
), $(KBUILD_EXTMOD
), .
) $(RCS_FIND_IGNORE
) \
1208 \
( -name
'*.[oas]' -o
-name
'*.ko' -o
-name
'.*.cmd' \
1209 -o
-name
'*.ko.*' -o
-name
'*.su' -o
-name
'*.cfgtmp' \
1210 -o
-name
'.*.d' -o
-name
'.*.tmp' -o
-name
'*.mod.c' \
1211 -o
-name
'*.symtypes' -o
-name
'modules.order' \
1212 -o
-name modules.builtin
-o
-name
'.tmp_*.o.*' \
1213 -o
-name
'*.gcno' \
) -type f
-print | xargs
rm -f
1214 @find
$(if
$(KBUILD_EXTMOD
), $(KBUILD_EXTMOD
), .
) $(RCS_FIND_IGNORE
) \
1215 -path
'./nand_spl/*' -type l
-print | xargs
rm -f
1219 clobber: rm-dirs
:= $(CLOBBER_DIRS
)
1220 clobber: rm-files
:= $(CLOBBER_FILES
)
1228 # mrproper - Delete all generated files, including .config
1230 mrproper
: rm-dirs
:= $(wildcard $(MRPROPER_DIRS
))
1231 mrproper
: rm-files
:= $(wildcard $(MRPROPER_FILES
))
1232 mrproper-dirs
:= $(addprefix _mrproper_
,scripts
)
1234 PHONY
+= $(mrproper-dirs
) mrproper archmrproper
1236 $(Q
)$(MAKE
) $(clean)=$(patsubst _mrproper_
%,%,$@
)
1238 mrproper
: clobber $(mrproper-dirs
)
1241 @
rm -f arch
/*/include/asm
/arch arch
/*/include/asm
/proc
1248 @find
$(srctree
) $(RCS_FIND_IGNORE
) \
1249 \
( -name
'*.orig' -o
-name
'*.rej' -o
-name
'*~' \
1250 -o
-name
'*.bak' -o
-name
'#*#' -o
-name
'.*.orig' \
1252 -o
-name
'*%' -o
-name
'.*.cmd' -o
-name
'core' \
) \
1253 -type f
-print | xargs
rm -f
1256 F
=`basename $(TOPDIR)` ; cd ..
; \
1257 gtar
--force-local
-zcvf
`LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
1260 # Documentation targets
1261 # ---------------------------------------------------------------------------
1262 %docs
: scripts_basic FORCE
1263 $(Q
)$(MAKE
) $(build
)=scripts build_docproc
1264 $(Q
)$(MAKE
) $(build
)=doc
/DocBook
$@
1267 PHONY
+= prepare scripts
1271 endif #ifeq ($(config-targets),1)
1272 endif #ifeq ($(mixed-targets),1)
1274 quiet_cmd_rmdirs
= $(if
$(wildcard $(rm-dirs
)),CLEAN
$(wildcard $(rm-dirs
)))
1275 cmd_rmdirs
= rm -rf
$(rm-dirs
)
1277 quiet_cmd_rmfiles
= $(if
$(wildcard $(rm-files
)),CLEAN
$(wildcard $(rm-files
)))
1278 cmd_rmfiles
= rm -f
$(rm-files
)
1280 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
1282 # $(Q)$(MAKE) $(clean)=dir
1283 clean := -f
$(if
$(KBUILD_SRC
),$(srctree
)/)scripts
/Makefile.
clean obj
1285 endif # skip-makefile
1290 # Declare the contents of the .PHONY variable as phony. We keep that
1291 # information in a variable so we can use it in if_changed and friends.