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 HOSTARCH
:= $(shell uname
-m | \
185 -e s
/sun4u
/sparc64
/ \
188 -e s
/ppc64
/powerpc
/ \
190 -e s
/macppc
/powerpc
/\
193 HOSTOS
:= $(shell uname
-s | tr
'[:upper:]' '[:lower:]' | \
194 sed
-e
's/\(cygwin\).*/cygwin/')
196 export HOSTARCH HOSTOS
198 # Deal with colliding definitions from tcsh etc.
201 #########################################################################
203 # set default to nothing for native builds
204 ifeq ($(HOSTARCH
),$(ARCH
))
208 # SHELL used by kbuild
209 CONFIG_SHELL
:= $(shell if
[ -x
"$$BASH" ]; then echo
$$BASH; \
210 else if
[ -x
/bin
/bash
]; then echo
/bin
/bash
; \
211 else echo sh
; fi
; fi
)
214 HOSTCFLAGS
= -Wall
-Wstrict-prototypes
-O2
-fomit-frame-pointer
216 ifeq ($(HOSTOS
),cygwin
)
220 # Mac OS X / Darwin's C preprocessor is Apple specific. It
221 # generates numerous errors and warnings. We want to bypass it
222 # and use GNU C's cpp. To do this we pass the -traditional-cpp
223 # option to the compiler. Note that the -traditional-cpp flag
224 # DOES NOT have the same semantics as GNU C's flag, all it does
225 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
227 # Apple's linker is similar, thanks to the new 2 stage linking
228 # multiple symbol definitions are treated as errors, hence the
229 # -multiply_defined suppress option to turn off this error.
231 ifeq ($(HOSTOS
),darwin
)
232 # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
233 DARWIN_MAJOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
1 -d
'.')
234 DARWIN_MINOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
2 -d
'.')
236 os_x_before
= $(shell if
[ $(DARWIN_MAJOR_VERSION
) -le
$(1) -a \
237 $(DARWIN_MINOR_VERSION
) -le
$(2) ] ; then echo
"$(3)"; else echo
"$(4)"; fi
;)
239 # Snow Leopards build environment has no longer restrictions as described above
240 HOSTCC
= $(call os_x_before
, 10, 5, "cc", "gcc")
241 HOSTCFLAGS
+= $(call os_x_before
, 10, 4, "-traditional-cpp")
242 HOSTLDFLAGS
+= $(call os_x_before
, 10, 5, "-multiply_defined suppress")
245 # Decide whether to build built-in, modular, or both.
246 # Normally, just do built-in.
251 # If we have only "make modules", don't compile built-in objects.
252 # When we're building modules with modversions, we need to consider
253 # the built-in objects during the descend as well, in order to
254 # make sure the checksums are up to date before we record them.
256 ifeq ($(MAKECMDGOALS
),modules
)
257 KBUILD_BUILTIN
:= $(if
$(CONFIG_MODVERSIONS
),1)
260 # If we have "make <whatever> modules", compile modules
261 # in addition to whatever we do anyway.
262 # Just "make" or "make all" shall build modules as well
264 # U-Boot does not need modules
265 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
266 # KBUILD_MODULES := 1
269 #ifeq ($(MAKECMDGOALS),)
270 # KBUILD_MODULES := 1
273 export KBUILD_MODULES KBUILD_BUILTIN
274 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
277 # ---------------------------------------------------------------------------
279 # Normally, we echo the whole command before executing it. By making
280 # that echo $($(quiet)$(cmd)), we now have the possibility to set
281 # $(quiet) to choose other forms of output instead, e.g.
283 # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
284 # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
286 # If $(quiet) is empty, the whole command will be printed.
287 # If it is set to "quiet_", only the short version will be printed.
288 # If it is set to "silent_", nothing will be printed at all, since
289 # the variable $(silent_cmd_cc_o_c) doesn't exist.
291 # A simple variant is to prefix commands with $(Q) - that's useful
292 # for commands that shall be hidden in non-verbose mode.
296 # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
297 # If KBUILD_VERBOSE equals 1 then the above command is displayed.
299 ifeq ($(KBUILD_VERBOSE
),1)
307 # If the user is running make -s (silent mode), suppress echoing of
310 ifneq ($(filter s
% -s
%,$(MAKEFLAGS
)),)
314 export quiet Q KBUILD_VERBOSE
317 # Look for make include files relative to root of kernel src
318 MAKEFLAGS
+= --include-dir
=$(srctree
)
320 # We need some generic definitions (do not try to remake the file).
321 $(srctree
)/scripts
/Kbuild.
include: ;
322 include $(srctree
)/scripts
/Kbuild.
include
324 # Make variables (CC, etc...)
326 AS
= $(CROSS_COMPILE
)as
328 ifneq ($(shell $(CROSS_COMPILE
)ld.bfd
-v
2> /dev
/null
),)
329 LD
= $(CROSS_COMPILE
)ld.bfd
331 LD
= $(CROSS_COMPILE
)ld
333 CC
= $(CROSS_COMPILE
)gcc
335 AR
= $(CROSS_COMPILE
)ar
336 NM
= $(CROSS_COMPILE
)nm
337 LDR
= $(CROSS_COMPILE
)ldr
338 STRIP
= $(CROSS_COMPILE
)strip
339 OBJCOPY
= $(CROSS_COMPILE
)objcopy
340 OBJDUMP
= $(CROSS_COMPILE
)objdump
342 RANLIB
= $(CROSS_COMPILE
)RANLIB
346 CHECKFLAGS
:= -D__linux__
-Dlinux
-D__STDC__
-Dunix
-D__unix__ \
347 -Wbitwise
-Wno-return-void
-D__CHECK_ENDIAN__
$(CF
)
349 KBUILD_CPPFLAGS
:= -D__KERNEL__
351 KBUILD_CFLAGS
:= -Wall
-Wstrict-prototypes \
352 -Wno-format-security \
353 -fno-builtin
-ffreestanding
354 KBUILD_AFLAGS
:= -D__ASSEMBLY__
356 # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
357 UBOOTRELEASE
= $(shell cat
include/config
/uboot.release
2> /dev
/null
)
358 UBOOTVERSION
= $(VERSION
)$(if
$(PATCHLEVEL
),.
$(PATCHLEVEL
)$(if
$(SUBLEVEL
),.
$(SUBLEVEL
)))$(EXTRAVERSION
)
360 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
361 export ARCH CPU BOARD VENDOR SOC
362 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
363 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
365 export DTC CHECK CHECKFLAGS
367 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE
368 export KBUILD_CFLAGS KBUILD_AFLAGS
370 # When compiling out-of-tree modules, put MODVERDIR in the module
371 # tree rather than in the kernel tree. The kernel tree might
373 export MODVERDIR
:= $(if
$(KBUILD_EXTMOD
),$(firstword $(KBUILD_EXTMOD
))/).tmp_versions
375 # Files to ignore in find ... statements
377 RCS_FIND_IGNORE
:= \
( -name SCCS
-o
-name BitKeeper
-o
-name .svn
-o
-name CVS \
378 -o
-name .
pc -o
-name .hg
-o
-name .git \
) -prune
-o
379 export RCS_TAR_IGNORE
:= --exclude SCCS
--exclude BitKeeper
--exclude .svn \
380 --exclude CVS
--exclude .
pc --exclude .hg
--exclude .git
382 # ===========================================================================
383 # Rules shared between *config targets and build targets
385 # Basic helpers built in scripts/
386 PHONY
+= scripts_basic
388 $(Q
)$(MAKE
) $(build
)=scripts
/basic
389 $(Q
)rm -f .tmp_quiet_recordmcount
391 # To avoid any implicit rule to kick in, define an empty command.
392 scripts
/basic
/%: scripts_basic
;
394 PHONY
+= outputmakefile
395 # outputmakefile generates a Makefile in the output directory, if using a
396 # separate output directory. This allows convenient use of make in the
399 ifneq ($(KBUILD_SRC
),)
400 $(Q
)ln
-fsn
$(srctree
) source
401 $(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/mkmakefile \
402 $(srctree
) $(objtree
) $(VERSION
) $(PATCHLEVEL
)
405 # To make sure we do not include .config for any of the *config targets
406 # catch them early, and hand them over to scripts/kconfig/Makefile
407 # It is allowed to specify more targets when calling make, including
408 # mixing *config targets and build targets.
409 # For example 'make oldconfig all'.
410 # Detect when mixed targets is specified, and make a second invocation
411 # of make so .config is not included in this case either (for *config).
413 version_h
:= include/generated
/version_autogenerated.h
414 timestamp_h
:= include/generated
/timestamp_autogenerated.h
416 no-dot-config-targets
:= clean clobber mrproper
distclean \
417 help
%docs
check% coccicheck \
424 ifneq ($(filter $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
425 ifeq ($(filter-out $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
430 ifeq ($(KBUILD_EXTMOD
),)
431 ifneq ($(filter config
%config
,$(MAKECMDGOALS
)),)
433 ifneq ($(filter-out config
%config
,$(MAKECMDGOALS
)),)
439 ifeq ($(mixed-targets
),1)
440 # ===========================================================================
441 # We're called with mixed targets (*config and build targets).
442 # Handle them one by one.
444 PHONY
+= $(MAKECMDGOALS
) build-one-by-one
446 $(MAKECMDGOALS
): build-one-by-one
451 for i in
$(MAKECMDGOALS
); do \
452 $(MAKE
) -f
$(srctree
)/Makefile
$$i; \
456 ifeq ($(config-targets
),1)
457 # ===========================================================================
458 # *config targets only - make sure prerequisites are updated, and descend
459 # in scripts/kconfig to make the *config target
461 # Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
462 # KBUILD_DEFCONFIG may point out an alternative default configuration
463 # used for 'make defconfig'
465 %_config
:: outputmakefile
466 @
$(MKCONFIG
) -A
$(@
:_config
=)
469 # ===========================================================================
470 # Build targets only - this includes vmlinux, arch specific targets, clean
471 # targets and others. In general all targets except *config targets.
473 # load ARCH, BOARD, and CPU configuration
474 -include include/config.mk
476 ifeq ($(dot-config
),1)
478 -include include/autoconf.mk
479 -include include/autoconf.mk.dep
481 # load other configuration
482 include $(srctree
)/config.mk
484 ifeq ($(wildcard include/config.mk
),)
485 $(error
"System not configured - see README")
488 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
489 # that (or fail if absent). Otherwise, search for a linker script in a
493 #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
494 ifdef CONFIG_SYS_LDSCRIPT
495 # need to strip off double quotes
496 LDSCRIPT
:= $(srctree
)/$(CONFIG_SYS_LDSCRIPT
:"%"=%)
500 # If there is no specified link script, we look in a number of places for it
502 ifeq ($(CONFIG_NAND_U_BOOT
),y
)
503 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot-nand.lds
504 ifeq ($(wildcard $(LDSCRIPT
)),)
505 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot-nand.lds
508 ifeq ($(wildcard $(LDSCRIPT
)),)
509 LDSCRIPT
:= $(TOPDIR
)/board
/$(BOARDDIR
)/u-boot.lds
511 ifeq ($(wildcard $(LDSCRIPT
)),)
512 LDSCRIPT
:= $(TOPDIR
)/$(CPUDIR
)/u-boot.lds
514 ifeq ($(wildcard $(LDSCRIPT
)),)
515 LDSCRIPT
:= $(TOPDIR
)/arch
/$(ARCH
)/cpu
/u-boot.lds
522 endif # $(dot-config)
524 KBUILD_CFLAGS
+= -Os
#-fomit-frame-pointer
527 KBUILD_CFLAGS
+= -DBUILD_TAG
='"$(BUILD_TAG)"'
530 KBUILD_CFLAGS
+= $(call cc-option
,-fno-stack-protector
)
533 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
534 # option to the assembler.
537 # Report stack usage if supported
538 ifeq ($(shell $(CONFIG_SHELL
) $(srctree
)/scripts
/gcc-stack-usage.sh
$(CC
)),y
)
539 KBUILD_CFLAGS
+= -fstack-usage
542 KBUILD_CFLAGS
+= $(call cc-option
,-Wno-format-nonliteral
)
544 # turn jbsr into jsr for m68k
546 ifeq ($(findstring 3.4,$(shell $(CC
) --version
)),3.4)
547 KBUILD_AFLAGS
+= -Wa
,-gstabs
,-S
551 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
552 KBUILD_CPPFLAGS
+= -DCONFIG_SYS_TEXT_BASE
=$(CONFIG_SYS_TEXT_BASE
)
555 export CONFIG_SYS_TEXT_BASE
557 # Use UBOOTINCLUDE when you must reference the include/ directory.
558 # Needed to be compatible with the O= option
560 ifneq ($(OBJTREE
),$(SRCTREE
))
561 UBOOTINCLUDE
+= -I
$(OBJTREE
)/include
563 UBOOTINCLUDE
+= -I
$(srctree
)/include \
564 -I
$(srctree
)/arch
/$(ARCH
)/include
566 NOSTDINC_FLAGS
+= -nostdinc
-isystem
$(shell $(CC
) -print-file-name
=include)
567 CHECKFLAGS
+= $(NOSTDINC_FLAGS
)
570 cpp_flags
:= $(KBUILD_CPPFLAGS
) $(CPPFLAGS
) $(UBOOTINCLUDE
) $(NOSTDINC_FLAGS
)
571 c_flags
:= $(KBUILD_CFLAGS
) $(cpp_flags
)
573 #########################################################################
574 # U-Boot objects....order is important (i.e. start must be first)
576 head-y
:= $(CPUDIR
)/start.o
577 head-
$(CONFIG_4xx
) += arch
/powerpc
/cpu
/ppc4xx
/resetvec.o
578 head-
$(CONFIG_MPC85xx
) += arch
/powerpc
/cpu
/mpc85xx
/resetvec.o
580 HAVE_VENDOR_COMMON_LIB
= $(if
$(wildcard $(srctree
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
583 libs-
$(HAVE_VENDOR_COMMON_LIB
) += board
/$(VENDOR
)/common
/
586 libs-y
+= $(CPUDIR
)/$(SOC
)/
588 libs-
$(CONFIG_OF_EMBED
) += dts
/
589 libs-y
+= arch
/$(ARCH
)/lib
/
594 libs-y
+= drivers
/dma
/
595 libs-y
+= drivers
/gpio
/
596 libs-y
+= drivers
/i2c
/
597 libs-y
+= drivers
/input
/
598 libs-y
+= drivers
/mmc
/
599 libs-y
+= drivers
/mtd
/
600 libs-
$(CONFIG_CMD_NAND
) += drivers
/mtd
/nand
/
601 libs-y
+= drivers
/mtd
/onenand
/
602 libs-
$(CONFIG_CMD_UBI
) += drivers
/mtd
/ubi
/
603 libs-y
+= drivers
/mtd
/spi
/
604 libs-y
+= drivers
/net
/
605 libs-y
+= drivers
/net
/phy
/
606 libs-y
+= drivers
/pci
/
607 libs-y
+= drivers
/power
/ \
608 drivers
/power
/fuel_gauge
/ \
610 drivers
/power
/pmic
/ \
611 drivers
/power
/battery
/
612 libs-y
+= drivers
/spi
/
613 libs-
$(CONFIG_FMAN_ENET
) += drivers
/net
/fm
/
614 libs-
$(CONFIG_SYS_FSL_DDR
) += drivers
/ddr
/fsl
/
615 libs-y
+= drivers
/serial
/
616 libs-y
+= drivers
/usb
/eth
/
617 libs-y
+= drivers
/usb
/gadget
/
618 libs-y
+= drivers
/usb
/host
/
619 libs-y
+= drivers
/usb
/musb
/
620 libs-y
+= drivers
/usb
/musb-new
/
621 libs-y
+= drivers
/usb
/phy
/
622 libs-y
+= drivers
/usb
/ulpi
/
624 libs-y
+= lib
/libfdt
/
625 libs-
$(CONFIG_API
) += api
/
626 libs-
$(CONFIG_HAS_POST
) += post
/
629 ifneq (,$(filter $(SOC
), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610
))
630 libs-y
+= arch
/$(ARCH
)/imx-common
/
633 libs-
$(CONFIG_ARM
) += arch
/arm
/cpu
/
634 libs-
$(CONFIG_PPC
) += arch
/powerpc
/cpu
/
636 libs-y
+= board
/$(BOARDDIR
)/
638 libs-y
:= $(sort $(libs-y
))
640 u-boot-dirs
:= $(patsubst %/,%,$(filter %/, $(libs-y
))) tools examples
642 u-boot-alldirs
:= $(sort $(u-boot-dirs
) $(patsubst %/,%,$(filter %/, $(libs-
))))
644 libs-y
:= $(patsubst %/, %/built-in.o
, $(libs-y
))
646 u-boot-init
:= $(head-y
)
647 u-boot-main
:= $(libs-y
)
651 ifdef USE_PRIVATE_LIBGCC
652 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
653 PLATFORM_LIBGCC
= $(OBJTREE
)/arch
/$(ARCH
)/lib
/lib.a
655 PLATFORM_LIBGCC
= -L
$(USE_PRIVATE_LIBGCC
) -lgcc
658 PLATFORM_LIBGCC
:= -L
$(shell dirname
`$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
660 PLATFORM_LIBS
+= $(PLATFORM_LIBGCC
)
663 # Special flags for CPP when processing the linker script.
664 # Pass the version down so we can handle backwards compatibility
667 -include $(TOPDIR
)/include/u-boot
/u-boot.lds.h \
669 $(shell $(LD
) --version | \
670 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
672 #########################################################################
673 #########################################################################
675 ifneq ($(CONFIG_BOARD_SIZE_LIMIT
),)
677 @actual
=`wc -c $@ | awk '{print $$1}'`; \
678 limit
=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
679 if
test $$actual -gt
$$limit; then \
680 echo
"$@ exceeds file size limit:" >&2 ; \
681 echo
" limit: $$limit bytes" >&2 ; \
682 echo
" actual: $$actual bytes" >&2 ; \
683 echo
" excess: $$((actual - limit)) bytes" >&2; \
690 # Statically apply RELA-style relocations (currently arm64 only)
691 ifneq ($(CONFIG_STATIC_RELA
),)
692 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
694 start
=$$($(NM
) $(1) | grep __rel_dyn_start | cut
-f
1 -d
' '); \
695 end
=$$($(NM
) $(1) | grep __rel_dyn_end | cut
-f
1 -d
' '); \
696 tools
/relocate-rela
$(2) $(3) $$start $$end
701 # Always append ALL so that arch config.mk's can add custom ones
702 ALL-y
+= u-boot.srec u-boot.bin System.map
704 ALL-
$(CONFIG_NAND_U_BOOT
) += u-boot-nand.bin
705 ALL-
$(CONFIG_ONENAND_U_BOOT
) += u-boot-onenand.bin
706 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot.pbl
707 ALL-
$(CONFIG_SPL
) += spl
/u-boot-spl.bin
708 ALL-
$(CONFIG_SPL_FRAMEWORK
) += u-boot.img
709 ALL-
$(CONFIG_TPL
) += tpl
/u-boot-tpl.bin
710 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot.dtb u-boot-dtb.bin
711 ifneq ($(CONFIG_SPL_TARGET
),)
712 ALL-
$(CONFIG_SPL
) += $(CONFIG_SPL_TARGET
:"%"=%)
714 ALL-
$(CONFIG_REMAKE_ELF
) += u-boot.elf
716 # enable combined SPL/u-boot/dtb rules for tegra
717 ifneq ($(CONFIG_TEGRA
),)
718 ifeq ($(CONFIG_SPL
),y
)
719 ifeq ($(CONFIG_OF_SEPARATE
),y
)
720 ALL-y
+= u-boot-dtb-tegra.bin
722 ALL-y
+= u-boot-nodtb-tegra.bin
727 LDFLAGS_u-boot
+= $(LDFLAGS_FINAL
)
728 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
729 LDFLAGS_u-boot
+= -Ttext
$(CONFIG_SYS_TEXT_BASE
)
732 quiet_cmd_objcopy
= OBJCOPY
$@
733 cmd_objcopy
= $(OBJCOPY
) $(OBJCOPYFLAGS
) $(OBJCOPYFLAGS_
$(@F
)) $< $@
735 quiet_cmd_mkimage
= UIMAGE
$@
736 cmd_mkimage
= $(objtree
)/tools
/mkimage
$(MKIMAGEFLAGS_
$(@F
)) -d
$< $@ \
737 $(if
$(KBUILD_VERBOSE
:1=), >/dev
/null
)
739 quiet_cmd_cat
= CAT
$@
740 cmd_cat
= cat
$(filter-out $(PHONY
), $^
) > $@
742 append
= cat
$(filter-out $< $(PHONY
), $^
) >> $@
744 quiet_cmd_pad_cat
= CAT
$@
745 cmd_pad_cat
= $(cmd_objcopy
) && $(append
) ||
rm -f
$@
750 dtbs dts
/dt.dtb
: checkdtc u-boot
751 $(Q
)$(MAKE
) $(build
)=dts dtbs
753 u-boot-dtb.bin
: u-boot.bin dts
/dt.dtb FORCE
754 $(call if_changed
,cat
)
756 quiet_cmd_copy
= COPY
$@
759 u-boot.dtb
: dts
/dt.dtb
762 OBJCOPYFLAGS_u-boot.hex
:= -O ihex
764 OBJCOPYFLAGS_u-boot.srec
:= -O srec
766 u-boot.hex u-boot.srec
: u-boot FORCE
767 $(call if_changed
,objcopy
)
769 OBJCOPYFLAGS_u-boot.bin
:= -O binary
771 u-boot.bin
: u-boot FORCE
772 $(call if_changed
,objcopy
)
773 $(call DO_STATIC_RELA
,$<,$@
,$(CONFIG_SYS_TEXT_BASE
))
778 $(LDR
) -T
$(CONFIG_BFIN_CPU
) -c
$@
$< $(LDR_FLAGS
)
781 OBJCOPYFLAGS_u-boot.ldr.hex
:= -I binary
-O ihex
783 OBJCOPYFLAGS_u-boot.ldr.srec
:= -I binary
-O srec
785 u-boot.ldr.hex u-boot.ldr.srec
: u-boot.ldr FORCE
786 $(call if_changed
,objcopy
)
789 # U-Boot entry point, needed for booting of full-blown U-Boot
790 # from the SPL U-Boot version.
792 ifndef CONFIG_SYS_UBOOT_START
793 CONFIG_SYS_UBOOT_START
:= 0
796 MKIMAGEFLAGS_u-boot.img
= -A
$(ARCH
) -T firmware
-C none
-O u-boot \
797 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_UBOOT_START
) \
798 -n
"U-Boot $(UBOOTRELEASE) for $(BOARD) board"
800 MKIMAGEFLAGS_u-boot.kwb
= -n
$(CONFIG_SYS_KWD_CONFIG
) -T kwbimage \
801 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
)
803 MKIMAGEFLAGS_u-boot.pbl
= -n
$(CONFIG_SYS_FSL_PBL_RCW
) \
804 -R
$(CONFIG_SYS_FSL_PBL_PBI
) -T pblimage
806 u-boot.img u-boot.kwb u-boot.pbl
: u-boot.bin FORCE
807 $(call if_changed
,mkimage
)
809 u-boot.imx
: u-boot.bin
810 $(Q
)$(MAKE
) $(build
)=arch
/arm
/imx-common
$@
812 u-boot.sha1
: u-boot.bin
813 tools
/ubsha1 u-boot.bin
816 $(OBJDUMP
) -d
$< > $@
819 SPL_PAYLOAD
:= tpl
/u-boot-with-tpl.bin
821 SPL_PAYLOAD
:= u-boot.bin
824 OBJCOPYFLAGS_u-boot-with-spl.bin
= -I binary
-O binary \
825 --pad-to
=$(CONFIG_SPL_PAD_TO
)
826 u-boot-with-spl.bin
: spl
/u-boot-spl.bin
$(SPL_PAYLOAD
) FORCE
827 $(call if_changed
,pad_cat
)
829 OBJCOPYFLAGS_u-boot-with-tpl.bin
= -I binary
-O binary \
830 --pad-to
=$(CONFIG_TPL_PAD_TO
)
831 tpl
/u-boot-with-tpl.bin
: tpl
/u-boot-tpl.bin u-boot.bin FORCE
832 $(call if_changed
,pad_cat
)
834 SPL
: spl
/u-boot-spl.bin FORCE
835 $(Q
)$(MAKE
) $(build
)=arch
/arm
/imx-common
$@
837 u-boot-with-spl.imx u-boot-with-nand-spl.imx
: SPL u-boot.bin FORCE
838 $(Q
)$(MAKE
) $(build
)=arch
/arm
/imx-common
$@
840 MKIMAGEFLAGS_u-boot.ubl
= -n
$(UBL_CONFIG
) -T ublimage
-e
$(CONFIG_SYS_TEXT_BASE
)
842 u-boot.ubl
: u-boot-with-spl.bin FORCE
843 $(call if_changed
,mkimage
)
845 MKIMAGEFLAGS_u-boot-spl.ais
= -s
-n
$(if
$(CONFIG_AIS_CONFIG_FILE
), \
846 $(srctree
)/$(CONFIG_AIS_CONFIG_FILE
:"%"=%),"/dev/null") \
847 -T aisimage
-e
$(CONFIG_SPL_TEXT_BASE
)
848 spl
/u-boot-spl.ais
: spl
/u-boot-spl.bin FORCE
849 $(call if_changed
,mkimage
)
851 OBJCOPYFLAGS_u-boot.ais
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_MAX_SIZE
)
852 u-boot.ais
: spl
/u-boot-spl.ais u-boot.img FORCE
853 $(call if_changed
,pad_cat
)
855 u-boot.sb
: u-boot.bin spl
/u-boot-spl.bin
856 $(Q
)$(MAKE
) $(build
)=arch
/arm
/cpu
/arm926ejs
/mxs
$(objtree
)/u-boot.sb
858 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
859 # Both images are created using mkimage (crc etc), so that the ROM
860 # bootloader can check its integrity. Padding needs to be done to the
861 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
862 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
863 # The resulting image containing both U-Boot images is called u-boot.spr
864 MKIMAGEFLAGS_u-boot-spl.img
= -A
$(ARCH
) -T firmware
-C none \
865 -a
$(CONFIG_SPL_TEXT_BASE
) -e
$(CONFIG_SPL_TEXT_BASE
) -n XLOADER
866 spl
/u-boot-spl.img
: spl
/u-boot-spl.bin FORCE
867 $(call if_changed
,mkimage
)
869 OBJCOPYFLAGS_u-boot.spr
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
871 u-boot.spr
: spl
/u-boot-spl.img u-boot.img FORCE
872 $(call if_changed
,pad_cat
)
874 ifneq ($(CONFIG_TEGRA
),)
875 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin
= -O binary
--pad-to
=$(CONFIG_SYS_TEXT_BASE
)
876 u-boot-nodtb-tegra.bin
: spl
/u-boot-spl u-boot.bin FORCE
877 $(call if_changed
,pad_cat
)
879 ifeq ($(CONFIG_OF_SEPARATE
),y
)
880 u-boot-dtb-tegra.bin
: u-boot-nodtb-tegra.bin dts
/dt.dtb FORCE
881 $(call if_changed
,cat
)
885 u-boot-img.bin
: spl
/u-boot-spl.bin u-boot.img FORCE
886 $(call if_changed
,cat
)
888 # PPC4xx needs the SPL at the end of the image, since the reset vector
889 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
890 # and need to introduce a new build target with the full blown U-Boot
891 # at the start padded up to the start of the SPL image. And then concat
892 # the SPL image to the end.
894 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin
:= -I binary
-O binary \
895 --pad-to
=$(CONFIG_UBOOT_PAD_TO
) --gap-fill
=0xff
896 u-boot-img-spl-at-end.bin
: u-boot.img spl
/u-boot-spl.bin FORCE
897 $(call if_changed
,pad_cat
)
899 # Create a new ELF from a raw binary file. This is useful for arm64
900 # where static relocation needs to be performed on the raw binary,
901 # but certain simulators only accept an ELF file (but don't do the
903 # FIXME refactor dts/Makefile to share target/arch detection
904 u-boot.elf
: u-boot.bin
905 @
$(OBJCOPY
) -B aarch64
-I binary
-O elf64-littleaarch64 \
907 @
$(LD
) u-boot-elf.o
-o
$@ \
908 --defsym
=_start
=$(CONFIG_SYS_TEXT_BASE
) \
909 -Ttext
=$(CONFIG_SYS_TEXT_BASE
)
911 # Rule to link u-boot
912 # May be overridden by arch/$(ARCH)/config.mk
913 quiet_cmd_u-boot__ ?
= LD
$@
914 cmd_u-boot__ ?
= $(LD
) $(LDFLAGS
) $(LDFLAGS_u-boot
) -o
$@ \
915 -T u-boot.lds
$(u-boot-init
) \
916 --start-group
$(u-boot-main
) --end-group \
917 $(PLATFORM_LIBS
) -Map u-boot.map
919 u-boot
: $(u-boot-init
) $(u-boot-main
) u-boot.lds
920 $(call if_changed
,u-boot__
)
921 ifeq ($(CONFIG_KALLSYMS
),y
)
922 smap
=`$(call SYSTEM_MAP,u-boot) | \
923 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
924 $(CC
) $(c_flags
) -DSYSTEM_MAP
="\"$${smap}\"" \
925 -c
$(srctree
)/common
/system_map.c
-o common
/system_map.o
926 $(call cmd
,u-boot__
) common
/system_map.o
929 # The actual objects are generated when descending,
930 # make sure no implicit rule kicks in
931 $(sort $(u-boot-init
) $(u-boot-main
)): $(u-boot-dirs
) ;
933 # Handle descending into subdirectories listed in $(vmlinux-dirs)
934 # Preset locale variables to speed up the build process. Limit locale
935 # tweaks to this spot to avoid wrong language settings when running
936 # make menuconfig etc.
937 # Error messages still appears in the original language
939 PHONY
+= $(u-boot-dirs
)
940 $(u-boot-dirs
): prepare scripts
941 $(Q
)$(MAKE
) $(build
)=$@
944 # The "tools" are needed early
945 $(filter-out tools
, $(u-boot-dirs
)): tools
946 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
947 # is "yes"), so compile examples after U-Boot is compiled.
948 examples
: $(filter-out examples
, $(u-boot-dirs
))
950 define filechk_uboot.release
951 echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
954 # Store (new) UBOOTRELEASE string in include/config/uboot.release
955 include/config
/uboot.release
: Makefile FORCE
956 $(call filechk
,uboot.release
)
959 # Things we need to do before we recursively start building the kernel
960 # or the modules are listed in "prepare".
961 # A multi level approach is used. prepareN is processed before prepareN-1.
962 # archprepare is used in arch Makefiles and when processed asm symlink,
963 # version.h and scripts_basic is processed / created.
965 # Listed in dependency order
966 PHONY
+= prepare archprepare prepare0 prepare1 prepare2 prepare3
968 # prepare3 is used to check if we are building in a separate output directory,
970 # 1) Check that make has not been executed in the kernel src $(srctree)
971 prepare3
: include/config
/uboot.release
972 ifneq ($(KBUILD_SRC
),)
973 @
$(kecho
) ' Using $(srctree) as source for u-boot'
974 $(Q
)if
[ -f
$(srctree
)/include/config.mk
]; then \
975 echo
>&2 " $(srctree) is not clean, please run 'make mrproper'"; \
976 echo
>&2 " in the '$(srctree)' directory.";\
981 # prepare2 creates a makefile if using a separate output directory
982 prepare2
: prepare3 outputmakefile
984 prepare1
: prepare2
$(version_h
) $(timestamp_h
)
985 ifeq ($(__HAVE_ARCH_GENERIC_BOARD
),)
986 ifeq ($(CONFIG_SYS_GENERIC_BOARD
),y
)
987 @echo
>&2 " Your architecture does not support generic board."
988 @echo
>&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file."
992 ifeq ($(wildcard $(LDSCRIPT
)),)
993 @echo
>&2 " Could not find linker script."
997 archprepare
: prepare1 scripts_basic
999 prepare0
: archprepare FORCE
1000 $(Q
)$(MAKE
) $(build
)=.
1002 # All the preparing..
1005 # Generate some files
1006 # ---------------------------------------------------------------------------
1008 define filechk_version.h
1009 (echo \
#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
1010 echo \
#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
1011 echo \
#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \
1012 echo \
#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; )
1015 define filechk_timestamp.h
1016 (LC_ALL
=C date
+'#define U_BOOT_DATE "%b %d %C%y"'; \
1017 LC_ALL
=C date
+'#define U_BOOT_TIME "%T"')
1020 $(version_h
): $(srctree
)/Makefile FORCE
1021 $(call filechk
,version.h
)
1023 $(timestamp_h
): $(srctree
)/Makefile FORCE
1024 $(call filechk
,timestamp.h
)
1027 # Auto-generate the autoconf.mk file (which is included by all makefiles)
1029 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
1030 # the dep file is only include in this top level makefile to determine when
1031 # to regenerate the autoconf.mk file.
1033 quiet_cmd_autoconf_dep
= GEN
$@
1034 cmd_autoconf_dep
= $(CC
) -x c
-DDO_DEPS_ONLY
-M
$(c_flags
) \
1035 -MQ
include/autoconf.mk
$(srctree
)/include/common.h
> $@ ||
rm $@
1037 include/autoconf.mk.dep
: include/config.h
include/common.h
1038 $(call cmd
,autoconf_dep
)
1040 quiet_cmd_autoconf
= GEN
$@
1042 $(CPP
) $(c_flags
) -DDO_DEPS_ONLY
-dM
$(srctree
)/include/common.h
> $@.tmp
&& \
1043 sed
-n
-f
$(srctree
)/tools
/scripts
/define2mk.sed
$@.tmp
> $@
; \
1046 include/autoconf.mk
: include/config.h
1047 $(call cmd
,autoconf
)
1049 # ---------------------------------------------------------------------------
1053 @echo
'*** Warning: make $@ is unnecessary now.'
1055 # ---------------------------------------------------------------------------
1056 quiet_cmd_cpp_lds
= LDS
$@
1057 cmd_cpp_lds
= $(CPP
) $(cpp_flags
) $(LDPPFLAGS
) -ansi
-D__ASSEMBLY__ \
1058 -x assembler-with-cpp
-P
-o
$@
$<
1060 u-boot.lds
: $(LDSCRIPT
) prepare FORCE
1061 $(call if_changed
,cpp_lds
)
1065 $(Q
)$(MAKE
) $(build
)=nand_spl
/board
/$(BOARDDIR
) all
1067 @echo
>&2 "==================== WARNING ====================="
1068 @echo
>&2 "nand_spl will not be included in v2014.07 release."
1069 @echo
>&2 "Please switch over to SPL."
1070 @echo
>&2 "Otherwise, this board will be removed."
1071 @echo
>&2 "=================================================="
1074 nand_spl
/u-boot-spl-16k.bin
: nand_spl
1077 u-boot-nand.bin
: nand_spl
/u-boot-spl-16k.bin u-boot.bin FORCE
1078 $(call if_changed
,cat
)
1080 spl
/u-boot-spl.bin
: spl
/u-boot-spl
1082 spl
/u-boot-spl
: tools prepare
1083 $(Q
)$(MAKE
) obj
=spl
-f
$(srctree
)/spl
/Makefile
all
1085 tpl
/u-boot-tpl.bin
: tools prepare
1086 $(Q
)$(MAKE
) obj
=tpl
-f
$(srctree
)/spl
/Makefile
all CONFIG_TPL_BUILD
=y
1088 TAG_SUBDIRS
:= $(u-boot-dirs
) include
1094 ctags
-w
-o ctags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1095 -name '*.[chS]' -print`
1098 etags
-a
-o
$(obj
)etags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1099 -name '*.[chS]' -print`
1101 $(FIND
) $(FINDFLAGS
) $(TAG_SUBDIRS
) -name
'*.[chS]' -print > \
1107 grep
-v
'\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
1110 @
$(call SYSTEM_MAP
,$<) > $@
1113 @if
test $(call cc-version
) -lt
0404; then \
1114 echo
-n
'*** Your GCC does not produce working '; \
1115 echo
'binaries in THUMB mode.'; \
1116 echo
'*** Your board is configured for THUMB mode.'; \
1120 # GCC 3.x is reported to have problems generating the type of relocation
1121 # that U-Boot wants.
1122 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
1124 @if
test $(call cc-version
) -lt
0400; then \
1125 echo
-n
'*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
1130 @if
test $(call dtc-version
) -lt
0104; then \
1131 echo
'*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
1135 #########################################################################
1137 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
1138 # R_AARCH64_RELATIVE (64-bit).
1139 checkarmreloc
: u-boot
1140 @RELOC
="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
1141 grep R_A | sort -u`"; \
1142 if
test "$$RELOC" != "R_ARM_RELATIVE" -a \
1143 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
1144 echo
"$< contains unexpected relocations: $$RELOC"; \
1149 $(Q
)$(MAKE
) $(build
)=tools
/$@
1151 tools-all
: HOST_TOOLS_ALL
=y
1152 tools-all
: env tools
;
1156 git log
--no-merges U-Boot-1_1_5.. | \
1157 unexpand
-a | sed
-e
's/\s\s*$$//' > $@
1159 include/license.h
: tools
/bin2header COPYING
1160 cat COPYING | gzip
-9 -c | .
/tools
/bin2header license_gzip
> include/license.h
1161 #########################################################################
1164 # Cleaning is done on three levels.
1165 # make clean Delete most generated files
1166 # Leave enough to build external modules
1167 # make mrproper Delete the current configuration, and all generated files
1168 # make distclean Remove editor backup files, patch leftover files and the like
1170 # Directories & files removed with 'make clean'
1171 CLEAN_DIRS
+= $(MODVERDIR
)
1172 CLEAN_FILES
+= u-boot.lds
include/bmp_logo.h
include/bmp_logo_data.h \
1173 board
/*/config.tmp board
/*/*/config.tmp \
1174 include/autoconf.mk
* include/spl-autoconf.mk \
1175 include/tpl-autoconf.mk
1177 # Directories & files removed with 'make clobber'
1178 CLOBBER_DIRS
+= $(patsubst %,spl
/%, $(filter-out Makefile
, \
1179 $(shell ls
-1 spl
2>/dev
/null
))) \
1181 CLOBBER_FILES
+= u-boot
* MLO
* SPL System.map nand_spl
/u-boot
*
1183 # Directories & files removed with 'make mrproper'
1184 MRPROPER_DIRS
+= include/config
include/generated
1185 MRPROPER_FILES
+= .config .config.old \
1186 tags TAGS cscope
* GPATH GTAGS GRTAGS GSYMS \
1187 include/config.h
include/config.mk
1189 # clean - Delete most, but leave enough to build external modules
1191 clean: rm-dirs
:= $(CLEAN_DIRS
)
1192 clean: rm-files
:= $(CLEAN_FILES
)
1194 clean-dirs
:= $(foreach f
,$(u-boot-alldirs
),$(if
$(wildcard $f/Makefile
),$f))
1196 clean-dirs
:= $(addprefix _clean_
, $(clean-dirs
) doc
/DocBook
)
1198 PHONY
+= $(clean-dirs
) clean archclean
1200 $(Q
)$(MAKE
) $(clean)=$(patsubst _clean_
%,%,$@
)
1202 # TODO: Do not use *.cfgtmp
1203 clean: $(clean-dirs
)
1206 @find
$(if
$(KBUILD_EXTMOD
), $(KBUILD_EXTMOD
), .
) $(RCS_FIND_IGNORE
) \
1207 \
( -name
'*.[oas]' -o
-name
'*.ko' -o
-name
'.*.cmd' \
1208 -o
-name
'*.ko.*' -o
-name
'*.su' -o
-name
'*.cfgtmp' \
1209 -o
-name
'.*.d' -o
-name
'.*.tmp' -o
-name
'*.mod.c' \
1210 -o
-name
'*.symtypes' -o
-name
'modules.order' \
1211 -o
-name modules.builtin
-o
-name
'.tmp_*.o.*' \
1212 -o
-name
'*.gcno' \
) -type f
-print | xargs
rm -f
1213 @find
$(if
$(KBUILD_EXTMOD
), $(KBUILD_EXTMOD
), .
) $(RCS_FIND_IGNORE
) \
1214 -path
'./nand_spl/*' -type l
-print | xargs
rm -f
1218 clobber: rm-dirs
:= $(CLOBBER_DIRS
)
1219 clobber: rm-files
:= $(CLOBBER_FILES
)
1227 # mrproper - Delete all generated files, including .config
1229 mrproper
: rm-dirs
:= $(wildcard $(MRPROPER_DIRS
))
1230 mrproper
: rm-files
:= $(wildcard $(MRPROPER_FILES
))
1231 mrproper-dirs
:= $(addprefix _mrproper_
,scripts
)
1233 PHONY
+= $(mrproper-dirs
) mrproper archmrproper
1235 $(Q
)$(MAKE
) $(clean)=$(patsubst _mrproper_
%,%,$@
)
1237 mrproper
: clobber $(mrproper-dirs
)
1240 @
rm -f arch
/*/include/asm
/arch arch
/*/include/asm
/proc
1247 @find
$(srctree
) $(RCS_FIND_IGNORE
) \
1248 \
( -name
'*.orig' -o
-name
'*.rej' -o
-name
'*~' \
1249 -o
-name
'*.bak' -o
-name
'#*#' -o
-name
'.*.orig' \
1251 -o
-name
'*%' -o
-name
'.*.cmd' -o
-name
'core' \
) \
1252 -type f
-print | xargs
rm -f
1255 F
=`basename $(TOPDIR)` ; cd ..
; \
1256 gtar
--force-local
-zcvf
`LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
1259 @echo
'Cleaning targets:'
1260 @echo
' clean - Remove most generated files but keep the config and'
1261 @echo
' necessities for testing u-boot'
1262 @echo
' clobber - Remove most generated files but keep the config'
1263 @echo
' mrproper - Remove all generated files + config + various backup files'
1264 @echo
' distclean - mrproper + remove editor backup and patch files'
1266 # uncomment after adding Kconfig feature
1267 # @echo 'Configuration targets:'
1268 # @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
1270 @echo
'Other generic targets:'
1271 @echo
' all - Build all necessary images depending on configuration'
1272 @echo
' u-boot - Build the bare u-boot'
1273 @echo
' dir/ - Build all files in dir and below'
1274 @echo
' dir/file.[oisS] - Build specified target only'
1275 @echo
' dir/file.lst - Build specified mixed source/assembly target only'
1276 @echo
' (requires a recent binutils and recent build (System.map))'
1277 @echo
' tags/TAGS - Generate tags file for editors'
1278 @echo
' cscope - Generate cscope index'
1279 @echo
' ubootrelease - Output the release version string'
1280 @echo
' ubootversion - Output the version stored in Makefile'
1282 @echo
'Static analysers'
1283 @echo
' checkstack - Generate a list of stack hogs'
1285 @echo
'Documentation targets:'
1286 @
$(MAKE
) -f
$(srctree
)/doc
/DocBook
/Makefile dochelp
1288 @echo
' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
1289 @echo
' make V=2 [targets] 2 => give reason for rebuild of target'
1290 @echo
' make O=dir [targets] Locate all output files in "dir", including .config'
1291 @echo
' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
1292 @echo
' make C=2 [targets] Force check of all c source with $$CHECK'
1293 @echo
' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
1294 @echo
' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
1295 @echo
' 1: warnings which may be relevant and do not occur too often'
1296 @echo
' 2: warnings which occur quite often but may still be relevant'
1297 @echo
' 3: more obscure warnings, can most likely be ignored'
1298 @echo
' Multiple levels can be combined with W=12 or W=123'
1300 @echo
'Execute "make" or "make all" to build all targets marked with [*] '
1301 @echo
'For further info see the ./README file'
1304 # Documentation targets
1305 # ---------------------------------------------------------------------------
1306 %docs
: scripts_basic FORCE
1307 $(Q
)$(MAKE
) $(build
)=scripts build_docproc
1308 $(Q
)$(MAKE
) $(build
)=doc
/DocBook
$@
1311 PHONY
+= prepare scripts
1315 endif #ifeq ($(config-targets),1)
1316 endif #ifeq ($(mixed-targets),1)
1318 PHONY
+= checkstack ubootrelease ubootversion
1321 $(OBJDUMP
) -d u-boot
$$(find .
-name u-boot-spl
) | \
1322 $(PERL
) $(src
)/scripts
/checkstack.pl
$(ARCH
)
1325 @echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1328 @echo
$(UBOOTVERSION
)
1331 # ---------------------------------------------------------------------------
1332 # Single targets are compatible with:
1333 # - build with mixed source and output
1334 # - build with separate output dir 'make O=...'
1335 # - external modules
1337 # target-dir => where to store outputfile
1338 # build-dir => directory in kernel source tree to use
1340 ifeq ($(KBUILD_EXTMOD
),)
1341 build-dir
= $(patsubst %/,%,$(dir $@
))
1342 target-dir
= $(dir $@
)
1344 zap-slash
=$(filter-out .
,$(patsubst %/,%,$(dir $@
)))
1345 build-dir
= $(KBUILD_EXTMOD
)$(if
$(zap-slash
),/$(zap-slash
))
1346 target-dir
= $(if
$(KBUILD_EXTMOD
),$(dir $<),$(dir $@
))
1349 %.s
: %.c prepare scripts FORCE
1350 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1351 %.i
: %.c prepare scripts FORCE
1352 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1353 %.o
: %.c prepare scripts FORCE
1354 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1355 %.lst
: %.c prepare scripts FORCE
1356 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1357 %.s
: %.S prepare scripts FORCE
1358 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1359 %.o
: %.S prepare scripts FORCE
1360 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1361 %.symtypes
: %.c prepare scripts FORCE
1362 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1365 /: prepare scripts FORCE
1367 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1368 $(build
)=$(build-dir
)
1369 %/: prepare scripts FORCE
1371 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1372 $(build
)=$(build-dir
)
1373 %.ko
: prepare scripts FORCE
1375 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1376 $(build
)=$(build-dir
) $(@
:.ko
=.o
)
1377 $(Q
)$(MAKE
) -f
$(srctree
)/scripts
/Makefile.modpost
1379 # FIXME Should go into a make.lib or something
1380 # ===========================================================================
1382 quiet_cmd_rmdirs
= $(if
$(wildcard $(rm-dirs
)),CLEAN
$(wildcard $(rm-dirs
)))
1383 cmd_rmdirs
= rm -rf
$(rm-dirs
)
1385 quiet_cmd_rmfiles
= $(if
$(wildcard $(rm-files
)),CLEAN
$(wildcard $(rm-files
)))
1386 cmd_rmfiles
= rm -f
$(rm-files
)
1388 # read all saved command lines
1390 targets
:= $(wildcard $(sort $(targets
)))
1391 cmd_files
:= $(wildcard .
*.cmd
$(foreach f
,$(targets
),$(dir $(f
)).
$(notdir $(f
)).cmd
))
1393 ifneq ($(cmd_files
),)
1394 $(cmd_files
): ; # Do not try to update included dependency files
1395 include $(cmd_files
)
1398 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
1400 # $(Q)$(MAKE) $(clean)=dir
1401 clean := -f
$(if
$(KBUILD_SRC
),$(srctree
)/)scripts
/Makefile.
clean obj
1403 endif # skip-makefile
1408 # Declare the contents of the .PHONY variable as phony. We keep that
1409 # information in a variable so we can use it in if_changed and friends.