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 mkdir
-p
$(KBUILD_OUTPUT
) && cd
$(KBUILD_OUTPUT
) \
129 $(if
$(KBUILD_OUTPUT
),, \
130 $(error failed to create output directory
"$(saved-output)"))
132 PHONY
+= $(MAKECMDGOALS
) sub-make
134 $(filter-out _all sub-make
$(CURDIR
)/Makefile
, $(MAKECMDGOALS
)) _all
: sub-make
138 $(if
$(KBUILD_VERBOSE
:1=),@
)$(MAKE
) -C
$(KBUILD_OUTPUT
) \
139 KBUILD_SRC
=$(CURDIR
) \
140 KBUILD_EXTMOD
="$(KBUILD_EXTMOD)" -f
$(CURDIR
)/Makefile \
141 $(filter-out _all sub-make
,$(MAKECMDGOALS
))
143 # Leave processing to above invocation of make
145 endif # ifneq ($(KBUILD_OUTPUT),)
146 endif # ifeq ($(KBUILD_SRC),)
148 # We process the rest of the Makefile if this is the final invocation of make
149 ifeq ($(skip-makefile
),)
151 # If building an external module we do not care about the all: rule
152 # but instead _all depend on modules
154 ifeq ($(KBUILD_EXTMOD
),)
160 srctree
:= $(if
$(KBUILD_SRC
),$(KBUILD_SRC
),$(CURDIR
))
165 VPATH
:= $(srctree
)$(if
$(KBUILD_EXTMOD
),:$(KBUILD_EXTMOD
))
167 export srctree objtree VPATH
169 MKCONFIG
:= $(srctree
)/mkconfig
172 # Make sure CDPATH settings don't interfere
175 #########################################################################
177 HOSTARCH
:= $(shell uname
-m | \
179 -e s
/sun4u
/sparc64
/ \
182 -e s
/ppc64
/powerpc
/ \
184 -e s
/macppc
/powerpc
/\
187 HOSTOS
:= $(shell uname
-s | tr
'[:upper:]' '[:lower:]' | \
188 sed
-e
's/\(cygwin\).*/cygwin/')
190 export HOSTARCH HOSTOS
192 # Deal with colliding definitions from tcsh etc.
195 #########################################################################
197 # set default to nothing for native builds
198 ifeq ($(HOSTARCH
),$(ARCH
))
202 # SHELL used by kbuild
203 CONFIG_SHELL
:= $(shell if
[ -x
"$$BASH" ]; then echo
$$BASH; \
204 else if
[ -x
/bin
/bash
]; then echo
/bin
/bash
; \
205 else echo sh
; fi
; fi
)
209 HOSTCFLAGS
= -Wall
-Wstrict-prototypes
-O2
-fomit-frame-pointer
212 ifeq ($(shell $(HOSTCC
) -v
2>&1 | grep
-c
"clang version"), 1)
213 HOSTCFLAGS
+= -Wno-unused-value
-Wno-unused-parameter \
214 -Wno-missing-field-initializers
-fno-delete-null-pointer-checks
217 ifeq ($(HOSTOS
),cygwin
)
221 # Mac OS X / Darwin's C preprocessor is Apple specific. It
222 # generates numerous errors and warnings. We want to bypass it
223 # and use GNU C's cpp. To do this we pass the -traditional-cpp
224 # option to the compiler. Note that the -traditional-cpp flag
225 # DOES NOT have the same semantics as GNU C's flag, all it does
226 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
228 # Apple's linker is similar, thanks to the new 2 stage linking
229 # multiple symbol definitions are treated as errors, hence the
230 # -multiply_defined suppress option to turn off this error.
232 ifeq ($(HOSTOS
),darwin
)
233 # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
234 DARWIN_MAJOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
1 -d
'.')
235 DARWIN_MINOR_VERSION
= $(shell sw_vers
-productVersion | cut
-f
2 -d
'.')
237 os_x_before
= $(shell if
[ $(DARWIN_MAJOR_VERSION
) -le
$(1) -a \
238 $(DARWIN_MINOR_VERSION
) -le
$(2) ] ; then echo
"$(3)"; else echo
"$(4)"; fi
;)
240 # Snow Leopards build environment has no longer restrictions as described above
241 HOSTCC
= $(call os_x_before
, 10, 5, "cc", "gcc")
242 HOSTCFLAGS
+= $(call os_x_before
, 10, 4, "-traditional-cpp")
243 HOSTLDFLAGS
+= $(call os_x_before
, 10, 5, "-multiply_defined suppress")
246 # Decide whether to build built-in, modular, or both.
247 # Normally, just do built-in.
252 # If we have only "make modules", don't compile built-in objects.
253 # When we're building modules with modversions, we need to consider
254 # the built-in objects during the descend as well, in order to
255 # make sure the checksums are up to date before we record them.
257 ifeq ($(MAKECMDGOALS
),modules
)
258 KBUILD_BUILTIN
:= $(if
$(CONFIG_MODVERSIONS
),1)
261 # If we have "make <whatever> modules", compile modules
262 # in addition to whatever we do anyway.
263 # Just "make" or "make all" shall build modules as well
265 # U-Boot does not need modules
266 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
267 # KBUILD_MODULES := 1
270 #ifeq ($(MAKECMDGOALS),)
271 # KBUILD_MODULES := 1
274 export KBUILD_MODULES KBUILD_BUILTIN
275 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
278 # ---------------------------------------------------------------------------
280 # Normally, we echo the whole command before executing it. By making
281 # that echo $($(quiet)$(cmd)), we now have the possibility to set
282 # $(quiet) to choose other forms of output instead, e.g.
284 # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
285 # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
287 # If $(quiet) is empty, the whole command will be printed.
288 # If it is set to "quiet_", only the short version will be printed.
289 # If it is set to "silent_", nothing will be printed at all, since
290 # the variable $(silent_cmd_cc_o_c) doesn't exist.
292 # A simple variant is to prefix commands with $(Q) - that's useful
293 # for commands that shall be hidden in non-verbose mode.
297 # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
298 # If KBUILD_VERBOSE equals 1 then the above command is displayed.
300 ifeq ($(KBUILD_VERBOSE
),1)
308 # If the user is running make -s (silent mode), suppress echoing of
311 ifneq ($(filter 4.
%,$(MAKE_VERSION
)),) # make-4
312 ifneq ($(filter %s
,$(firstword x
$(MAKEFLAGS
))),)
316 ifneq ($(filter s
% -s
%,$(MAKEFLAGS
)),)
321 export quiet Q KBUILD_VERBOSE
324 ifeq ($(shell $(CC
) -v
2>&1 | grep
-c
"clang version"), 1)
332 # Look for make include files relative to root of kernel src
333 MAKEFLAGS
+= --include-dir
=$(srctree
)
335 # We need some generic definitions (do not try to remake the file).
336 $(srctree
)/scripts
/Kbuild.
include: ;
337 include $(srctree
)/scripts
/Kbuild.
include
339 # Make variables (CC, etc...)
341 AS
= $(CROSS_COMPILE
)as
343 ifneq ($(shell $(CROSS_COMPILE
)ld.bfd
-v
2> /dev
/null
),)
344 LD
= $(CROSS_COMPILE
)ld.bfd
346 LD
= $(CROSS_COMPILE
)ld
348 CC
= $(CROSS_COMPILE
)gcc
350 AR
= $(CROSS_COMPILE
)ar
351 NM
= $(CROSS_COMPILE
)nm
352 LDR
= $(CROSS_COMPILE
)ldr
353 STRIP
= $(CROSS_COMPILE
)strip
354 OBJCOPY
= $(CROSS_COMPILE
)objcopy
355 OBJDUMP
= $(CROSS_COMPILE
)objdump
357 RANLIB
= $(CROSS_COMPILE
)RANLIB
361 CHECKFLAGS
:= -D__linux__
-Dlinux
-D__STDC__
-Dunix
-D__unix__ \
362 -Wbitwise
-Wno-return-void
-D__CHECK_ENDIAN__
$(CF
)
364 KBUILD_CPPFLAGS
:= -D__KERNEL__
366 KBUILD_CFLAGS
:= -Wall
-Wstrict-prototypes \
367 -Wno-format-security \
368 -fno-builtin
-ffreestanding
369 KBUILD_AFLAGS
:= -D__ASSEMBLY__
371 # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
372 UBOOTRELEASE
= $(shell cat
include/config
/uboot.release
2> /dev
/null
)
373 UBOOTVERSION
= $(VERSION
)$(if
$(PATCHLEVEL
),.
$(PATCHLEVEL
)$(if
$(SUBLEVEL
),.
$(SUBLEVEL
)))$(EXTRAVERSION
)
375 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
376 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
377 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
378 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
380 export DTC CHECK CHECKFLAGS
382 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
383 export KBUILD_CFLAGS KBUILD_AFLAGS
385 # When compiling out-of-tree modules, put MODVERDIR in the module
386 # tree rather than in the kernel tree. The kernel tree might
388 export MODVERDIR
:= $(if
$(KBUILD_EXTMOD
),$(firstword $(KBUILD_EXTMOD
))/).tmp_versions
390 # Files to ignore in find ... statements
392 export RCS_FIND_IGNORE
:= \
( -name SCCS
-o
-name BitKeeper
-o
-name .svn
-o \
393 -name CVS
-o
-name .
pc -o
-name .hg
-o
-name .git \
) \
395 export RCS_TAR_IGNORE
:= --exclude SCCS
--exclude BitKeeper
--exclude .svn \
396 --exclude CVS
--exclude .
pc --exclude .hg
--exclude .git
398 # ===========================================================================
399 # Rules shared between *config targets and build targets
401 # Basic helpers built in scripts/
402 PHONY
+= scripts_basic
404 $(Q
)$(MAKE
) $(build
)=scripts
/basic
405 $(Q
)rm -f .tmp_quiet_recordmcount
407 # To avoid any implicit rule to kick in, define an empty command.
408 scripts
/basic
/%: scripts_basic
;
410 PHONY
+= outputmakefile
411 # outputmakefile generates a Makefile in the output directory, if using a
412 # separate output directory. This allows convenient use of make in the
415 ifneq ($(KBUILD_SRC
),)
416 $(Q
)ln
-fsn
$(srctree
) source
417 $(Q
)$(CONFIG_SHELL
) $(srctree
)/scripts
/mkmakefile \
418 $(srctree
) $(objtree
) $(VERSION
) $(PATCHLEVEL
)
421 # To make sure we do not include .config for any of the *config targets
422 # catch them early, and hand them over to scripts/kconfig/Makefile
423 # It is allowed to specify more targets when calling make, including
424 # mixing *config targets and build targets.
425 # For example 'make oldconfig all'.
426 # Detect when mixed targets is specified, and make a second invocation
427 # of make so .config is not included in this case either (for *config).
429 version_h
:= include/generated
/version_autogenerated.h
430 timestamp_h
:= include/generated
/timestamp_autogenerated.h
432 no-dot-config-targets
:= clean clobber mrproper
distclean \
433 help
%docs
check% coccicheck \
434 ubootversion backup tools-only
440 ifneq ($(filter $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
441 ifeq ($(filter-out $(no-dot-config-targets
), $(MAKECMDGOALS
)),)
446 ifeq ($(KBUILD_EXTMOD
),)
447 ifneq ($(filter config
%config
,$(MAKECMDGOALS
)),)
449 ifneq ($(filter-out config
%config
,$(MAKECMDGOALS
)),)
455 ifeq ($(mixed-targets
),1)
456 # ===========================================================================
457 # We're called with mixed targets (*config and build targets).
458 # Handle them one by one.
460 PHONY
+= $(MAKECMDGOALS
) build-one-by-one
462 $(MAKECMDGOALS
): build-one-by-one
467 for i in
$(MAKECMDGOALS
); do \
468 $(MAKE
) -f
$(srctree
)/Makefile
$$i; \
472 ifeq ($(config-targets
),1)
473 # ===========================================================================
474 # *config targets only - make sure prerequisites are updated, and descend
475 # in scripts/kconfig to make the *config target
477 # Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
478 # KBUILD_DEFCONFIG may point out an alternative default configuration
479 # used for 'make defconfig'
481 %_config
:: outputmakefile
482 @
$(MKCONFIG
) -A
$(@
:_config
=)
485 # ===========================================================================
486 # Build targets only - this includes vmlinux, arch specific targets, clean
487 # targets and others. In general all targets except *config targets.
489 # load ARCH, BOARD, and CPU configuration
490 -include include/config.mk
492 ifeq ($(dot-config
),1)
494 -include include/autoconf.mk
495 -include include/autoconf.mk.dep
497 # load other configuration
498 include $(srctree
)/config.mk
500 ifeq ($(wildcard include/config.mk
),)
501 $(error
"System not configured - see README")
504 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
505 # that (or fail if absent). Otherwise, search for a linker script in a
509 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
510 ifdef CONFIG_SYS_LDSCRIPT
511 # need to strip off double quotes
512 LDSCRIPT
:= $(srctree
)/$(CONFIG_SYS_LDSCRIPT
:"%"=%)
516 # If there is no specified link script, we look in a number of places for it
518 ifeq ($(CONFIG_NAND_U_BOOT
),y
)
519 LDSCRIPT
:= $(srctree
)/board
/$(BOARDDIR
)/u-boot-nand.lds
520 ifeq ($(wildcard $(LDSCRIPT
)),)
521 LDSCRIPT
:= $(srctree
)/$(CPUDIR
)/u-boot-nand.lds
524 ifeq ($(wildcard $(LDSCRIPT
)),)
525 LDSCRIPT
:= $(srctree
)/board
/$(BOARDDIR
)/u-boot.lds
527 ifeq ($(wildcard $(LDSCRIPT
)),)
528 LDSCRIPT
:= $(srctree
)/$(CPUDIR
)/u-boot.lds
530 ifeq ($(wildcard $(LDSCRIPT
)),)
531 LDSCRIPT
:= $(srctree
)/arch
/$(ARCH
)/cpu
/u-boot.lds
538 endif # $(dot-config)
540 KBUILD_CFLAGS
+= -Os
#-fomit-frame-pointer
543 KBUILD_CFLAGS
+= -DBUILD_TAG
='"$(BUILD_TAG)"'
546 KBUILD_CFLAGS
+= $(call cc-option
,-fno-stack-protector
)
548 ifeq ($(COMPILER
),clang
)
549 KBUILD_CPPFLAGS
+= $(call cc-option
,-Qunused-arguments
,)
550 KBUILD_CPPFLAGS
+= $(call cc-option
,-Wno-unknown-warning-option
,)
551 KBUILD_CFLAGS
+= $(call cc-disable-warning
, unused-variable
)
552 KBUILD_CFLAGS
+= $(call cc-disable-warning
, format-invalid-specifier
)
553 KBUILD_CFLAGS
+= $(call cc-disable-warning
, gnu
)
554 # Quiet clang warning: comparison of unsigned expression < 0 is always false
555 KBUILD_CFLAGS
+= $(call cc-disable-warning
, tautological-compare
)
556 # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
557 # source of a reference will be _MergedGlobals and not on of the whitelisted names.
558 # See modpost pattern 2
559 KBUILD_CFLAGS
+= $(call cc-option
, -mno-global-merge
,)
563 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
564 # option to the assembler.
567 # Report stack usage if supported
568 ifeq ($(shell $(CONFIG_SHELL
) $(srctree
)/scripts
/gcc-stack-usage.sh
$(CC
)),y
)
569 KBUILD_CFLAGS
+= -fstack-usage
572 KBUILD_CFLAGS
+= $(call cc-option
,-Wno-format-nonliteral
)
574 # turn jbsr into jsr for m68k
576 ifeq ($(findstring 3.4,$(shell $(CC
) --version
)),3.4)
577 KBUILD_AFLAGS
+= -Wa
,-gstabs
,-S
581 # Prohibit date/time macros, which would make the build non-deterministic
582 KBUILD_CFLAGS
+= $(call cc-option
,-Werror
=date-time
)
584 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
585 KBUILD_CPPFLAGS
+= -DCONFIG_SYS_TEXT_BASE
=$(CONFIG_SYS_TEXT_BASE
)
588 export CONFIG_SYS_TEXT_BASE
590 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
591 KBUILD_CPPFLAGS
+= $(KCPPFLAGS
)
592 KBUILD_AFLAGS
+= $(KAFLAGS
)
593 KBUILD_CFLAGS
+= $(KCFLAGS
)
595 # Use UBOOTINCLUDE when you must reference the include/ directory.
596 # Needed to be compatible with the O= option
599 $(if
$(KBUILD_SRC
), -I
$(srctree
)/include) \
600 -I
$(srctree
)/arch
/$(ARCH
)/include
602 NOSTDINC_FLAGS
+= -nostdinc
-isystem
$(shell $(CC
) -print-file-name
=include)
603 CHECKFLAGS
+= $(NOSTDINC_FLAGS
)
606 cpp_flags
:= $(KBUILD_CPPFLAGS
) $(PLATFORM_CPPFLAGS
) $(UBOOTINCLUDE
) \
608 c_flags
:= $(KBUILD_CFLAGS
) $(cpp_flags
)
610 #########################################################################
611 # U-Boot objects....order is important (i.e. start must be first)
613 head-y
:= $(CPUDIR
)/start.o
614 head-
$(CONFIG_4xx
) += arch
/powerpc
/cpu
/ppc4xx
/resetvec.o
615 head-
$(CONFIG_MPC85xx
) += arch
/powerpc
/cpu
/mpc85xx
/resetvec.o
617 HAVE_VENDOR_COMMON_LIB
= $(if
$(wildcard $(srctree
)/board
/$(VENDOR
)/common
/Makefile
),y
,n
)
620 libs-
$(HAVE_VENDOR_COMMON_LIB
) += board
/$(VENDOR
)/common
/
623 libs-y
+= $(CPUDIR
)/$(SOC
)/
625 libs-
$(CONFIG_OF_EMBED
) += dts
/
626 libs-y
+= arch
/$(ARCH
)/lib
/
631 libs-
$(CONFIG_DM
) += drivers
/core
/
632 libs-y
+= drivers
/dma
/
633 libs-y
+= drivers
/gpio
/
634 libs-y
+= drivers
/i2c
/
635 libs-y
+= drivers
/input
/
636 libs-y
+= drivers
/mmc
/
637 libs-y
+= drivers
/mtd
/
638 libs-
$(CONFIG_CMD_NAND
) += drivers
/mtd
/nand
/
639 libs-y
+= drivers
/mtd
/onenand
/
640 libs-
$(CONFIG_CMD_UBI
) += drivers
/mtd
/ubi
/
641 libs-y
+= drivers
/mtd
/spi
/
642 libs-y
+= drivers
/net
/
643 libs-y
+= drivers
/net
/phy
/
644 libs-y
+= drivers
/pci
/
645 libs-y
+= drivers
/power
/ \
646 drivers
/power
/fuel_gauge
/ \
648 drivers
/power
/pmic
/ \
649 drivers
/power
/battery
/
650 libs-y
+= drivers
/spi
/
651 libs-
$(CONFIG_FMAN_ENET
) += drivers
/net
/fm
/
652 libs-
$(CONFIG_SYS_FSL_DDR
) += drivers
/ddr
/fsl
/
653 libs-y
+= drivers
/serial
/
654 libs-y
+= drivers
/usb
/eth
/
655 libs-y
+= drivers
/usb
/gadget
/
656 libs-y
+= drivers
/usb
/host
/
657 libs-y
+= drivers
/usb
/musb
/
658 libs-y
+= drivers
/usb
/musb-new
/
659 libs-y
+= drivers
/usb
/phy
/
660 libs-y
+= drivers
/usb
/ulpi
/
662 libs-y
+= lib
/libfdt
/
663 libs-
$(CONFIG_API
) += api
/
664 libs-
$(CONFIG_HAS_POST
) += post
/
667 libs-
$(CONFIG_DM_DEMO
) += drivers
/demo
/
669 ifneq (,$(filter $(SOC
), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610
))
670 libs-y
+= arch
/$(ARCH
)/imx-common
/
673 libs-
$(CONFIG_ARM
) += arch
/arm
/cpu
/
674 libs-
$(CONFIG_PPC
) += arch
/powerpc
/cpu
/
676 libs-y
+= $(if
$(BOARDDIR
),board
/$(BOARDDIR
)/)
678 libs-y
:= $(sort $(libs-y
))
680 u-boot-dirs
:= $(patsubst %/,%,$(filter %/, $(libs-y
))) tools examples
682 u-boot-alldirs
:= $(sort $(u-boot-dirs
) $(patsubst %/,%,$(filter %/, $(libs-
))))
684 libs-y
:= $(patsubst %/, %/built-in.o
, $(libs-y
))
686 u-boot-init
:= $(head-y
)
687 u-boot-main
:= $(libs-y
)
691 ifdef CONFIG_USE_PRIVATE_LIBGCC
692 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC
),y
)
693 PLATFORM_LIBGCC
= arch
/$(ARCH
)/lib
/lib.a
695 PLATFORM_LIBGCC
= -L
$(CONFIG_USE_PRIVATE_LIBGCC
) -lgcc
698 PLATFORM_LIBGCC
:= -L
$(shell dirname
`$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
700 PLATFORM_LIBS
+= $(PLATFORM_LIBGCC
)
703 # Special flags for CPP when processing the linker script.
704 # Pass the version down so we can handle backwards compatibility
707 -include $(srctree
)/include/u-boot
/u-boot.lds.h \
709 $(shell $(LD
) --version | \
710 sed
-ne
's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
712 #########################################################################
713 #########################################################################
715 ifneq ($(CONFIG_BOARD_SIZE_LIMIT
),)
717 @actual
=`wc -c $@ | awk '{print $$1}'`; \
718 limit
=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
719 if
test $$actual -gt
$$limit; then \
720 echo
"$@ exceeds file size limit:" >&2 ; \
721 echo
" limit: $$limit bytes" >&2 ; \
722 echo
" actual: $$actual bytes" >&2 ; \
723 echo
" excess: $$((actual - limit)) bytes" >&2; \
730 # Statically apply RELA-style relocations (currently arm64 only)
731 ifneq ($(CONFIG_STATIC_RELA
),)
732 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
734 start
=$$($(NM
) $(1) | grep __rel_dyn_start | cut
-f
1 -d
' '); \
735 end
=$$($(NM
) $(1) | grep __rel_dyn_end | cut
-f
1 -d
' '); \
736 tools
/relocate-rela
$(2) $(3) $$start $$end
741 # Always append ALL so that arch config.mk's can add custom ones
742 ALL-y
+= u-boot.srec u-boot.bin System.map
744 ALL-
$(CONFIG_NAND_U_BOOT
) += u-boot-nand.bin
745 ALL-
$(CONFIG_ONENAND_U_BOOT
) += u-boot-onenand.bin
746 ifeq ($(CONFIG_SPL_FSL_PBL
),y
)
747 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot-with-spl-pbl.bin
749 ALL-
$(CONFIG_RAMBOOT_PBL
) += u-boot.pbl
751 ALL-
$(CONFIG_SPL
) += spl
/u-boot-spl.bin
752 ALL-
$(CONFIG_SPL_FRAMEWORK
) += u-boot.img
753 ALL-
$(CONFIG_TPL
) += tpl
/u-boot-tpl.bin
754 ALL-
$(CONFIG_OF_SEPARATE
) += u-boot.dtb u-boot-dtb.bin
755 ALL-
$(CONFIG_OF_HOSTFILE
) += u-boot.dtb
756 ifneq ($(CONFIG_SPL_TARGET
),)
757 ALL-
$(CONFIG_SPL
) += $(CONFIG_SPL_TARGET
:"%"=%)
759 ALL-
$(CONFIG_REMAKE_ELF
) += u-boot.elf
761 # enable combined SPL/u-boot/dtb rules for tegra
762 ifneq ($(CONFIG_TEGRA
),)
763 ifeq ($(CONFIG_SPL
),y
)
764 ifeq ($(CONFIG_OF_SEPARATE
),y
)
765 ALL-y
+= u-boot-dtb-tegra.bin
767 ALL-y
+= u-boot-nodtb-tegra.bin
772 LDFLAGS_u-boot
+= $(LDFLAGS_FINAL
)
773 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
774 LDFLAGS_u-boot
+= -Ttext
$(CONFIG_SYS_TEXT_BASE
)
777 quiet_cmd_objcopy
= OBJCOPY
$@
778 cmd_objcopy
= $(OBJCOPY
) $(OBJCOPYFLAGS
) $(OBJCOPYFLAGS_
$(@F
)) $< $@
780 quiet_cmd_mkimage
= MKIMAGE
$@
781 cmd_mkimage
= $(objtree
)/tools
/mkimage
$(MKIMAGEFLAGS_
$(@F
)) -d
$< $@ \
782 $(if
$(KBUILD_VERBOSE
:1=), >/dev
/null
)
784 quiet_cmd_cat
= CAT
$@
785 cmd_cat
= cat
$(filter-out $(PHONY
), $^
) > $@
787 append
= cat
$(filter-out $< $(PHONY
), $^
) >> $@
789 quiet_cmd_pad_cat
= CAT
$@
790 cmd_pad_cat
= $(cmd_objcopy
) && $(append
) ||
rm -f
$@
795 dtbs dts
/dt.dtb
: checkdtc u-boot
796 $(Q
)$(MAKE
) $(build
)=dts dtbs
798 u-boot-dtb.bin
: u-boot.bin dts
/dt.dtb FORCE
799 $(call if_changed
,cat
)
802 $(Q
)$(MAKE
) $(build
)=arch
/arm
/imx-common
$@
804 quiet_cmd_copy
= COPY
$@
807 u-boot.dtb
: dts
/dt.dtb
810 OBJCOPYFLAGS_u-boot.hex
:= -O ihex
812 OBJCOPYFLAGS_u-boot.srec
:= -O srec
814 u-boot.hex u-boot.srec
: u-boot FORCE
815 $(call if_changed
,objcopy
)
817 OBJCOPYFLAGS_u-boot.bin
:= -O binary
819 u-boot.bin
: u-boot FORCE
820 $(call if_changed
,objcopy
)
821 $(call DO_STATIC_RELA
,$<,$@
,$(CONFIG_SYS_TEXT_BASE
))
826 $(LDR
) -T
$(CONFIG_BFIN_CPU
) -c
$@
$< $(LDR_FLAGS
)
829 OBJCOPYFLAGS_u-boot.ldr.hex
:= -I binary
-O ihex
831 OBJCOPYFLAGS_u-boot.ldr.srec
:= -I binary
-O srec
833 u-boot.ldr.hex u-boot.ldr.srec
: u-boot.ldr FORCE
834 $(call if_changed
,objcopy
)
837 # U-Boot entry point, needed for booting of full-blown U-Boot
838 # from the SPL U-Boot version.
840 ifndef CONFIG_SYS_UBOOT_START
841 CONFIG_SYS_UBOOT_START
:= 0
844 MKIMAGEFLAGS_u-boot.img
= -A
$(ARCH
) -T firmware
-C none
-O u-boot \
845 -a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_UBOOT_START
) \
846 -n
"U-Boot $(UBOOTRELEASE) for $(BOARD) board"
848 MKIMAGEFLAGS_u-boot.kwb
= -n
$(srctree
)/$(CONFIG_SYS_KWD_CONFIG
:"%"=%) \
849 -T kwbimage
-a
$(CONFIG_SYS_TEXT_BASE
) -e
$(CONFIG_SYS_TEXT_BASE
)
851 MKIMAGEFLAGS_u-boot.pbl
= -n
$(srctree
)/$(CONFIG_SYS_FSL_PBL_RCW
:"%"=%) \
852 -R
$(srctree
)/$(CONFIG_SYS_FSL_PBL_PBI
:"%"=%) -T pblimage
854 u-boot.img u-boot.kwb u-boot.pbl
: u-boot.bin FORCE
855 $(call if_changed
,mkimage
)
857 u-boot.sha1
: u-boot.bin
858 tools
/ubsha1 u-boot.bin
861 $(OBJDUMP
) -d
$< > $@
864 SPL_PAYLOAD
:= tpl
/u-boot-with-tpl.bin
866 SPL_PAYLOAD
:= u-boot.bin
869 OBJCOPYFLAGS_u-boot-with-spl.bin
= -I binary
-O binary \
870 --pad-to
=$(CONFIG_SPL_PAD_TO
)
871 u-boot-with-spl.bin
: spl
/u-boot-spl.bin
$(SPL_PAYLOAD
) FORCE
872 $(call if_changed
,pad_cat
)
874 OBJCOPYFLAGS_u-boot-with-tpl.bin
= -I binary
-O binary \
875 --pad-to
=$(CONFIG_TPL_PAD_TO
)
876 tpl
/u-boot-with-tpl.bin
: tpl
/u-boot-tpl.bin u-boot.bin FORCE
877 $(call if_changed
,pad_cat
)
879 SPL
: spl
/u-boot-spl.bin FORCE
880 $(Q
)$(MAKE
) $(build
)=arch
/arm
/imx-common
$@
882 u-boot-with-spl.imx u-boot-with-nand-spl.imx
: SPL u-boot.bin FORCE
883 $(Q
)$(MAKE
) $(build
)=arch
/arm
/imx-common
$@
885 MKIMAGEFLAGS_u-boot.ubl
= -n
$(UBL_CONFIG
) -T ublimage
-e
$(CONFIG_SYS_TEXT_BASE
)
887 u-boot.ubl
: u-boot-with-spl.bin FORCE
888 $(call if_changed
,mkimage
)
890 MKIMAGEFLAGS_u-boot-spl.ais
= -s
-n
$(if
$(CONFIG_AIS_CONFIG_FILE
), \
891 $(srctree
)/$(CONFIG_AIS_CONFIG_FILE
:"%"=%),"/dev/null") \
892 -T aisimage
-e
$(CONFIG_SPL_TEXT_BASE
)
893 spl
/u-boot-spl.ais
: spl
/u-boot-spl.bin FORCE
894 $(call if_changed
,mkimage
)
896 OBJCOPYFLAGS_u-boot.ais
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_MAX_SIZE
)
897 u-boot.ais
: spl
/u-boot-spl.ais u-boot.img FORCE
898 $(call if_changed
,pad_cat
)
900 u-boot-signed.sb
: u-boot.bin spl
/u-boot-spl.bin
901 $(Q
)$(MAKE
) $(build
)=arch
/arm
/cpu
/arm926ejs
/mxs u-boot-signed.sb
902 u-boot.sb
: u-boot.bin spl
/u-boot-spl.bin
903 $(Q
)$(MAKE
) $(build
)=arch
/arm
/cpu
/arm926ejs
/mxs u-boot.sb
905 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
906 # Both images are created using mkimage (crc etc), so that the ROM
907 # bootloader can check its integrity. Padding needs to be done to the
908 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
909 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
910 # The resulting image containing both U-Boot images is called u-boot.spr
911 MKIMAGEFLAGS_u-boot-spl.img
= -A
$(ARCH
) -T firmware
-C none \
912 -a
$(CONFIG_SPL_TEXT_BASE
) -e
$(CONFIG_SPL_TEXT_BASE
) -n XLOADER
913 spl
/u-boot-spl.img
: spl
/u-boot-spl.bin FORCE
914 $(call if_changed
,mkimage
)
916 OBJCOPYFLAGS_u-boot.spr
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
918 u-boot.spr
: spl
/u-boot-spl.img u-boot.img FORCE
919 $(call if_changed
,pad_cat
)
921 MKIMAGEFLAGS_u-boot-spl.gph
= -A
$(ARCH
) -T gpimage
-C none \
922 -a
$(CONFIG_SPL_TEXT_BASE
) -e
$(CONFIG_SPL_TEXT_BASE
) -n SPL
923 spl
/u-boot-spl.gph
: spl
/u-boot-spl.bin FORCE
924 $(call if_changed
,mkimage
)
926 OBJCOPYFLAGS_u-boot-spi.gph
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
928 u-boot-spi.gph
: spl
/u-boot-spl.gph u-boot.img FORCE
929 $(call if_changed
,pad_cat
)
931 ifneq ($(CONFIG_TEGRA
),)
932 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin
= -O binary
--pad-to
=$(CONFIG_SYS_TEXT_BASE
)
933 u-boot-nodtb-tegra.bin
: spl
/u-boot-spl u-boot.bin FORCE
934 $(call if_changed
,pad_cat
)
936 ifeq ($(CONFIG_OF_SEPARATE
),y
)
937 u-boot-dtb-tegra.bin
: u-boot-nodtb-tegra.bin dts
/dt.dtb FORCE
938 $(call if_changed
,cat
)
942 u-boot-img.bin
: spl
/u-boot-spl.bin u-boot.img FORCE
943 $(call if_changed
,cat
)
945 #Add a target to create boot binary having SPL binary in PBI format
946 #concatenated with u-boot binary. It is need by PowerPC SoC having
947 #internal SRAM <= 512KB.
948 MKIMAGEFLAGS_u-boot-spl.pbl
= -n
$(srctree
)/$(CONFIG_SYS_FSL_PBL_RCW
:"%"=%) \
949 -R
$(srctree
)/$(CONFIG_SYS_FSL_PBL_PBI
:"%"=%) -T pblimage
951 spl
/u-boot-spl.pbl
: spl
/u-boot-spl.bin FORCE
952 $(call if_changed
,mkimage
)
954 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin
= -I binary
-O binary
--pad-to
=$(CONFIG_SPL_PAD_TO
) \
957 u-boot-with-spl-pbl.bin
: spl
/u-boot-spl.pbl u-boot.bin FORCE
958 $(call if_changed
,pad_cat
)
960 # PPC4xx needs the SPL at the end of the image, since the reset vector
961 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
962 # and need to introduce a new build target with the full blown U-Boot
963 # at the start padded up to the start of the SPL image. And then concat
964 # the SPL image to the end.
966 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin
:= -I binary
-O binary \
967 --pad-to
=$(CONFIG_UBOOT_PAD_TO
) --gap-fill
=0xff
968 u-boot-img-spl-at-end.bin
: u-boot.img spl
/u-boot-spl.bin FORCE
969 $(call if_changed
,pad_cat
)
971 # Create a new ELF from a raw binary file. This is useful for arm64
972 # where static relocation needs to be performed on the raw binary,
973 # but certain simulators only accept an ELF file (but don't do the
975 # FIXME refactor dts/Makefile to share target/arch detection
976 u-boot.elf
: u-boot.bin
977 @
$(OBJCOPY
) -B aarch64
-I binary
-O elf64-littleaarch64 \
979 @
$(LD
) u-boot-elf.o
-o
$@ \
980 --defsym
=_start
=$(CONFIG_SYS_TEXT_BASE
) \
981 -Ttext
=$(CONFIG_SYS_TEXT_BASE
)
983 # Rule to link u-boot
984 # May be overridden by arch/$(ARCH)/config.mk
985 quiet_cmd_u-boot__ ?
= LD
$@
986 cmd_u-boot__ ?
= $(LD
) $(LDFLAGS
) $(LDFLAGS_u-boot
) -o
$@ \
987 -T u-boot.lds
$(u-boot-init
) \
988 --start-group
$(u-boot-main
) --end-group \
989 $(PLATFORM_LIBS
) -Map u-boot.map
991 u-boot
: $(u-boot-init
) $(u-boot-main
) u-boot.lds
992 $(call if_changed
,u-boot__
)
993 ifeq ($(CONFIG_KALLSYMS
),y
)
994 smap
=`$(call SYSTEM_MAP,u-boot) | \
995 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
996 $(CC
) $(c_flags
) -DSYSTEM_MAP
="\"$${smap}\"" \
997 -c
$(srctree
)/common
/system_map.c
-o common
/system_map.o
998 $(call cmd
,u-boot__
) common
/system_map.o
1001 # The actual objects are generated when descending,
1002 # make sure no implicit rule kicks in
1003 $(sort $(u-boot-init
) $(u-boot-main
)): $(u-boot-dirs
) ;
1005 # Handle descending into subdirectories listed in $(vmlinux-dirs)
1006 # Preset locale variables to speed up the build process. Limit locale
1007 # tweaks to this spot to avoid wrong language settings when running
1008 # make menuconfig etc.
1009 # Error messages still appears in the original language
1011 PHONY
+= $(u-boot-dirs
)
1012 $(u-boot-dirs
): prepare scripts
1013 $(Q
)$(MAKE
) $(build
)=$@
1016 # The "tools" are needed early
1017 $(filter-out tools
, $(u-boot-dirs
)): tools
1018 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
1019 # is "yes"), so compile examples after U-Boot is compiled.
1020 examples
: $(filter-out examples
, $(u-boot-dirs
))
1022 define filechk_uboot.release
1023 echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1026 # Store (new) UBOOTRELEASE string in include/config/uboot.release
1027 include/config
/uboot.release
: Makefile FORCE
1028 $(call filechk
,uboot.release
)
1031 # Things we need to do before we recursively start building the kernel
1032 # or the modules are listed in "prepare".
1033 # A multi level approach is used. prepareN is processed before prepareN-1.
1034 # archprepare is used in arch Makefiles and when processed asm symlink,
1035 # version.h and scripts_basic is processed / created.
1037 # Listed in dependency order
1038 PHONY
+= prepare archprepare prepare0 prepare1 prepare2 prepare3
1040 # prepare3 is used to check if we are building in a separate output directory,
1042 # 1) Check that make has not been executed in the kernel src $(srctree)
1043 prepare3
: include/config
/uboot.release
1044 ifneq ($(KBUILD_SRC
),)
1045 @
$(kecho
) ' Using $(srctree) as source for u-boot'
1046 $(Q
)if
[ -f
$(srctree
)/include/config.mk
]; then \
1047 echo
>&2 " $(srctree) is not clean, please run 'make mrproper'"; \
1048 echo
>&2 " in the '$(srctree)' directory.";\
1053 # prepare2 creates a makefile if using a separate output directory
1054 prepare2
: prepare3 outputmakefile
1056 prepare1
: prepare2
$(version_h
) $(timestamp_h
)
1057 ifeq ($(__HAVE_ARCH_GENERIC_BOARD
),)
1058 ifeq ($(CONFIG_SYS_GENERIC_BOARD
),y
)
1059 @echo
>&2 " Your architecture does not support generic board."
1060 @echo
>&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file."
1064 ifeq ($(wildcard $(LDSCRIPT
)),)
1065 @echo
>&2 " Could not find linker script."
1069 archprepare
: prepare1 scripts_basic
1071 prepare0
: archprepare FORCE
1072 $(Q
)$(MAKE
) $(build
)=.
1074 # All the preparing..
1077 # Generate some files
1078 # ---------------------------------------------------------------------------
1080 define filechk_version.h
1081 (echo \
#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
1082 echo \
#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
1083 echo \
#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \
1084 echo \
#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; )
1087 define filechk_timestamp.h
1088 (LC_ALL
=C date
+'#define U_BOOT_DATE "%b %d %C%y"'; \
1089 LC_ALL
=C date
+'#define U_BOOT_TIME "%T"')
1092 $(version_h
): include/config
/uboot.release FORCE
1093 $(call filechk
,version.h
)
1095 $(timestamp_h
): $(srctree
)/Makefile FORCE
1096 $(call filechk
,timestamp.h
)
1099 # Auto-generate the autoconf.mk file (which is included by all makefiles)
1101 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
1102 # the dep file is only include in this top level makefile to determine when
1103 # to regenerate the autoconf.mk file.
1105 quiet_cmd_autoconf_dep
= GEN
$@
1106 cmd_autoconf_dep
= $(CC
) -x c
-DDO_DEPS_ONLY
-M
$(c_flags
) \
1107 -MQ
include/autoconf.mk
$(srctree
)/include/common.h
> $@ ||
rm $@
1109 include/autoconf.mk.dep
: include/config.h
include/common.h
1110 $(call cmd
,autoconf_dep
)
1112 quiet_cmd_autoconf
= GEN
$@
1114 $(CPP
) $(c_flags
) -DDO_DEPS_ONLY
-dM
$(srctree
)/include/common.h
> $@.tmp
&& \
1115 sed
-n
-f
$(srctree
)/tools
/scripts
/define2mk.sed
$@.tmp
> $@
; \
1118 include/autoconf.mk
: include/config.h
1119 $(call cmd
,autoconf
)
1121 # ---------------------------------------------------------------------------
1125 @echo
'*** Warning: make $@ is unnecessary now.'
1127 # ---------------------------------------------------------------------------
1128 quiet_cmd_cpp_lds
= LDS
$@
1129 cmd_cpp_lds
= $(CPP
) -Wp
,-MD
,$(depfile
) $(cpp_flags
) $(LDPPFLAGS
) -ansi \
1130 -D__ASSEMBLY__
-x assembler-with-cpp
-P
-o
$@
$<
1132 u-boot.lds
: $(LDSCRIPT
) prepare FORCE
1133 $(call if_changed_dep
,cpp_lds
)
1137 $(Q
)$(MAKE
) $(build
)=nand_spl
/board
/$(BOARDDIR
) all
1139 @echo
>&2 "==================== WARNING ====================="
1140 @echo
>&2 "nand_spl will not be included in v2014.07 release."
1141 @echo
>&2 "Please switch over to SPL."
1142 @echo
>&2 "Otherwise, this board will be removed."
1143 @echo
>&2 "=================================================="
1146 nand_spl
/u-boot-spl-16k.bin
: nand_spl
1149 u-boot-nand.bin
: nand_spl
/u-boot-spl-16k.bin u-boot.bin FORCE
1150 $(call if_changed
,cat
)
1152 spl
/u-boot-spl.bin
: spl
/u-boot-spl
1154 spl
/u-boot-spl
: tools prepare
1155 $(Q
)$(MAKE
) obj
=spl
-f
$(srctree
)/spl
/Makefile
all
1157 tpl
/u-boot-tpl.bin
: tools prepare
1158 $(Q
)$(MAKE
) obj
=tpl
-f
$(srctree
)/spl
/Makefile
all CONFIG_TPL_BUILD
=y
1160 TAG_SUBDIRS
:= $(u-boot-dirs
) include
1166 ctags
-w
-o ctags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1167 -name '*.[chS]' -print`
1170 etags
-a
-o
$(obj
)etags
`$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1171 -name '*.[chS]' -print`
1173 $(FIND
) $(FINDFLAGS
) $(TAG_SUBDIRS
) -name
'*.[chS]' -print > \
1179 grep
-v
'\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
1182 @
$(call SYSTEM_MAP
,$<) > $@
1185 @if
test $(call dtc-version
) -lt
0104; then \
1186 echo
'*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
1190 #########################################################################
1192 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
1193 # R_AARCH64_RELATIVE (64-bit).
1194 checkarmreloc
: u-boot
1195 @RELOC
="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
1196 grep R_A | sort -u`"; \
1197 if
test "$$RELOC" != "R_ARM_RELATIVE" -a \
1198 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
1199 echo
"$< contains unexpected relocations: $$RELOC"; \
1204 $(Q
)$(MAKE
) $(build
)=tools
/$@
1206 tools-only
: scripts_basic
$(version_h
) $(timestamp_h
)
1207 $(Q
)$(MAKE
) $(build
)=tools
1209 tools-all
: export HOST_TOOLS_ALL
=y
1210 tools-all
: env tools
;
1212 cross_tools
: export CROSS_BUILD_TOOLS
=y
1213 cross_tools
: tools
;
1217 git log
--no-merges U-Boot-1_1_5.. | \
1218 unexpand
-a | sed
-e
's/\s\s*$$//' > $@
1220 include/license.h
: tools
/bin2header COPYING
1221 cat COPYING | gzip
-9 -c | .
/tools
/bin2header license_gzip
> include/license.h
1222 #########################################################################
1225 # Cleaning is done on three levels.
1226 # make clean Delete most generated files
1227 # Leave enough to build external modules
1228 # make mrproper Delete the current configuration, and all generated files
1229 # make distclean Remove editor backup files, patch leftover files and the like
1231 # Directories & files removed with 'make clean'
1232 CLEAN_DIRS
+= $(MODVERDIR
)
1233 CLEAN_FILES
+= u-boot.lds
include/bmp_logo.h
include/bmp_logo_data.h \
1234 include/autoconf.mk
* include/spl-autoconf.mk \
1235 include/tpl-autoconf.mk
1237 # Directories & files removed with 'make clobber'
1238 CLOBBER_DIRS
+= $(patsubst %,spl
/%, $(filter-out Makefile
, \
1239 $(shell ls
-1 spl
2>/dev
/null
))) \
1241 CLOBBER_FILES
+= u-boot
* MLO
* SPL System.map nand_spl
/u-boot
*
1243 # Directories & files removed with 'make mrproper'
1244 MRPROPER_DIRS
+= include/config
include/generated \
1246 MRPROPER_FILES
+= .config .config.old \
1247 tags TAGS cscope
* GPATH GTAGS GRTAGS GSYMS \
1248 include/config.h
include/config.mk
1250 # clean - Delete most, but leave enough to build external modules
1252 clean: rm-dirs
:= $(CLEAN_DIRS
)
1253 clean: rm-files
:= $(CLEAN_FILES
)
1255 clean-dirs
:= $(foreach f
,$(u-boot-alldirs
),$(if
$(wildcard $(srctree
)/$f/Makefile
),$f))
1257 clean-dirs
:= $(addprefix _clean_
, $(clean-dirs
) doc
/DocBook
)
1259 PHONY
+= $(clean-dirs
) clean archclean
1261 $(Q
)$(MAKE
) $(clean)=$(patsubst _clean_
%,%,$@
)
1263 # TODO: Do not use *.cfgtmp
1264 clean: $(clean-dirs
)
1267 @find
$(if
$(KBUILD_EXTMOD
), $(KBUILD_EXTMOD
), .
) $(RCS_FIND_IGNORE
) \
1268 \
( -name
'*.[oas]' -o
-name
'*.ko' -o
-name
'.*.cmd' \
1269 -o
-name
'*.ko.*' -o
-name
'*.su' -o
-name
'*.cfgtmp' \
1270 -o
-name
'.*.d' -o
-name
'.*.tmp' -o
-name
'*.mod.c' \
1271 -o
-name
'*.symtypes' -o
-name
'modules.order' \
1272 -o
-name modules.builtin
-o
-name
'.tmp_*.o.*' \
1273 -o
-name
'*.gcno' \
) -type f
-print | xargs
rm -f
1274 @find
$(if
$(KBUILD_EXTMOD
), $(KBUILD_EXTMOD
), .
) $(RCS_FIND_IGNORE
) \
1275 -path
'./nand_spl/*' -type l
-print | xargs
rm -f
1279 clobber: rm-dirs
:= $(CLOBBER_DIRS
)
1280 clobber: rm-files
:= $(CLOBBER_FILES
)
1288 # mrproper - Delete all generated files, including .config
1290 mrproper
: rm-dirs
:= $(wildcard $(MRPROPER_DIRS
))
1291 mrproper
: rm-files
:= $(wildcard $(MRPROPER_FILES
))
1292 mrproper-dirs
:= $(addprefix _mrproper_
,scripts
)
1294 PHONY
+= $(mrproper-dirs
) mrproper archmrproper
1296 $(Q
)$(MAKE
) $(clean)=$(patsubst _mrproper_
%,%,$@
)
1298 mrproper
: clobber $(mrproper-dirs
)
1301 @
rm -f arch
/*/include/asm
/arch arch
/*/include/asm
/proc
1308 @find
$(srctree
) $(RCS_FIND_IGNORE
) \
1309 \
( -name
'*.orig' -o
-name
'*.rej' -o
-name
'*~' \
1310 -o
-name
'*.bak' -o
-name
'#*#' -o
-name
'.*.orig' \
1311 -o
-name
'.*.rej' -o
-name
'*%' -o
-name
'core' \
1312 -o
-name
'*.pyc' \
) \
1313 -type f
-print | xargs
rm -f
1316 F
=`basename $(srctree)` ; cd ..
; \
1317 gtar
--force-local
-zcvf
`LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
1320 @echo
'Cleaning targets:'
1321 @echo
' clean - Remove most generated files but keep the config and'
1322 @echo
' necessities for testing u-boot'
1323 @echo
' clobber - Remove most generated files but keep the config'
1324 @echo
' mrproper - Remove all generated files + config + various backup files'
1325 @echo
' distclean - mrproper + remove editor backup and patch files'
1327 # uncomment after adding Kconfig feature
1328 # @echo 'Configuration targets:'
1329 # @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
1331 @echo
'Other generic targets:'
1332 @echo
' all - Build all necessary images depending on configuration'
1333 @echo
' u-boot - Build the bare u-boot'
1334 @echo
' dir/ - Build all files in dir and below'
1335 @echo
' dir/file.[oisS] - Build specified target only'
1336 @echo
' dir/file.lst - Build specified mixed source/assembly target only'
1337 @echo
' (requires a recent binutils and recent build (System.map))'
1338 @echo
' tags/TAGS - Generate tags file for editors'
1339 @echo
' cscope - Generate cscope index'
1340 @echo
' ubootrelease - Output the release version string'
1341 @echo
' ubootversion - Output the version stored in Makefile'
1343 @echo
'Static analysers'
1344 @echo
' checkstack - Generate a list of stack hogs'
1346 @echo
'Documentation targets:'
1347 @
$(MAKE
) -f
$(srctree
)/doc
/DocBook
/Makefile dochelp
1349 @echo
' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
1350 @echo
' make V=2 [targets] 2 => give reason for rebuild of target'
1351 @echo
' make O=dir [targets] Locate all output files in "dir", including .config'
1352 @echo
' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
1353 @echo
' make C=2 [targets] Force check of all c source with $$CHECK'
1354 @echo
' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
1355 @echo
' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
1356 @echo
' 1: warnings which may be relevant and do not occur too often'
1357 @echo
' 2: warnings which occur quite often but may still be relevant'
1358 @echo
' 3: more obscure warnings, can most likely be ignored'
1359 @echo
' Multiple levels can be combined with W=12 or W=123'
1361 @echo
'Execute "make" or "make all" to build all targets marked with [*] '
1362 @echo
'For further info see the ./README file'
1365 # Documentation targets
1366 # ---------------------------------------------------------------------------
1367 %docs
: scripts_basic FORCE
1368 $(Q
)$(MAKE
) $(build
)=scripts build_docproc
1369 $(Q
)$(MAKE
) $(build
)=doc
/DocBook
$@
1372 PHONY
+= prepare scripts
1376 endif #ifeq ($(config-targets),1)
1377 endif #ifeq ($(mixed-targets),1)
1379 PHONY
+= checkstack ubootrelease ubootversion
1382 $(OBJDUMP
) -d u-boot
$$(find .
-name u-boot-spl
) | \
1383 $(PERL
) $(src
)/scripts
/checkstack.pl
$(ARCH
)
1386 @echo
"$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1389 @echo
$(UBOOTVERSION
)
1392 # ---------------------------------------------------------------------------
1393 # Single targets are compatible with:
1394 # - build with mixed source and output
1395 # - build with separate output dir 'make O=...'
1396 # - external modules
1398 # target-dir => where to store outputfile
1399 # build-dir => directory in kernel source tree to use
1401 ifeq ($(KBUILD_EXTMOD
),)
1402 build-dir
= $(patsubst %/,%,$(dir $@
))
1403 target-dir
= $(dir $@
)
1405 zap-slash
=$(filter-out .
,$(patsubst %/,%,$(dir $@
)))
1406 build-dir
= $(KBUILD_EXTMOD
)$(if
$(zap-slash
),/$(zap-slash
))
1407 target-dir
= $(if
$(KBUILD_EXTMOD
),$(dir $<),$(dir $@
))
1410 %.s
: %.c prepare scripts FORCE
1411 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1412 %.i
: %.c prepare scripts FORCE
1413 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1414 %.o
: %.c prepare scripts FORCE
1415 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1416 %.lst
: %.c prepare scripts FORCE
1417 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1418 %.s
: %.S prepare scripts FORCE
1419 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1420 %.o
: %.S prepare scripts FORCE
1421 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1422 %.symtypes
: %.c prepare scripts FORCE
1423 $(Q
)$(MAKE
) $(build
)=$(build-dir
) $(target-dir
)$(notdir $@
)
1426 /: prepare scripts FORCE
1428 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1429 $(build
)=$(build-dir
)
1430 %/: prepare scripts FORCE
1432 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1433 $(build
)=$(build-dir
)
1434 %.ko
: prepare scripts FORCE
1436 $(Q
)$(MAKE
) KBUILD_MODULES
=$(if
$(CONFIG_MODULES
),1) \
1437 $(build
)=$(build-dir
) $(@
:.ko
=.o
)
1438 $(Q
)$(MAKE
) -f
$(srctree
)/scripts
/Makefile.modpost
1440 # FIXME Should go into a make.lib or something
1441 # ===========================================================================
1443 quiet_cmd_rmdirs
= $(if
$(wildcard $(rm-dirs
)),CLEAN
$(wildcard $(rm-dirs
)))
1444 cmd_rmdirs
= rm -rf
$(rm-dirs
)
1446 quiet_cmd_rmfiles
= $(if
$(wildcard $(rm-files
)),CLEAN
$(wildcard $(rm-files
)))
1447 cmd_rmfiles
= rm -f
$(rm-files
)
1449 # read all saved command lines
1451 targets
:= $(wildcard $(sort $(targets
)))
1452 cmd_files
:= $(wildcard .
*.cmd
$(foreach f
,$(targets
),$(dir $(f
)).
$(notdir $(f
)).cmd
))
1454 ifneq ($(cmd_files
),)
1455 $(cmd_files
): ; # Do not try to update included dependency files
1456 include $(cmd_files
)
1459 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
1461 # $(Q)$(MAKE) $(clean)=dir
1462 clean := -f
$(if
$(KBUILD_SRC
),$(srctree
)/)scripts
/Makefile.
clean obj
1464 endif # skip-makefile
1469 # Declare the contents of the .PHONY variable as phony. We keep that
1470 # information in a variable so we can use it in if_changed and friends.