1 # SPDX-License-Identifier: GPL-2.0+
10 # To see a list of typical targets execute "make help"
11 # More info can be located in ./README
12 # Comments in this file are targeted only to the developer, do not
13 # expect to learn how to build the kernel reading this file.
15 # o Do not use make's built-in rules and variables
16 # (this increases performance and avoids hard-to-debug behaviour);
17 # o Look for make include files relative to root of kernel src
18 MAKEFLAGS += -rR --include-dir=$(CURDIR)
20 # Determine target architecture for the sandbox
21 include include/host_arch.h
22 ifeq ("", "$(CROSS_COMPILE)")
23 MK_ARCH="${shell uname -m}"
25 MK_ARCH="${shell echo $(CROSS_COMPILE) | sed -n 's/^\s*\([^\/]*\/\)*\([^-]*\)-\S*/\2/p'}"
28 ifeq ("x86_64", $(MK_ARCH))
29 export HOST_ARCH=$(HOST_ARCH_X86_64)
30 else ifneq (,$(findstring $(MK_ARCH), "i386" "i486" "i586" "i686"))
31 export HOST_ARCH=$(HOST_ARCH_X86)
32 else ifneq (,$(findstring $(MK_ARCH), "aarch64" "armv8l"))
33 export HOST_ARCH=$(HOST_ARCH_AARCH64)
34 else ifneq (,$(findstring $(MK_ARCH), "arm" "armv7" "armv7l"))
35 export HOST_ARCH=$(HOST_ARCH_ARM)
36 else ifeq ("riscv32", $(MK_ARCH))
37 export HOST_ARCH=$(HOST_ARCH_RISCV32)
38 else ifeq ("riscv64", $(MK_ARCH))
39 export HOST_ARCH=$(HOST_ARCH_RISCV64)
43 # Avoid funny character set dependencies
47 export LC_COLLATE LC_NUMERIC
49 # Avoid interference with shell env settings
52 # We are using a recursive build, so we need to do a little thinking
53 # to get the ordering right.
55 # Most importantly: sub-Makefiles should only ever modify files in
56 # their own directory. If in some directory we have a dependency on
57 # a file in another dir (which doesn't happen often, but it's often
58 # unavoidable when linking the built-in.o targets which finally
59 # turn into vmlinux), we will call a sub make in that other dir, and
60 # after that we are sure that everything which is in that other dir
63 # The only cases where we need to modify files which have global
64 # effects are thus separated out and done before the recursive
65 # descending is started. They are now explicitly listed as the
69 # ---------------------------------------------------------------------------
71 # Normally, we echo the whole command before executing it. By making
72 # that echo $($(quiet)$(cmd)), we now have the possibility to set
73 # $(quiet) to choose other forms of output instead, e.g.
75 # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
76 # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
78 # If $(quiet) is empty, the whole command will be printed.
79 # If it is set to "quiet_", only the short version will be printed.
80 # If it is set to "silent_", nothing will be printed at all, since
81 # the variable $(silent_cmd_cc_o_c) doesn't exist.
83 # A simple variant is to prefix commands with $(Q) - that's useful
84 # for commands that shall be hidden in non-verbose mode.
88 # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
89 # If KBUILD_VERBOSE equals 1 then the above command is displayed.
91 # To put more focus on warnings, be less verbose as default
92 # Use 'make V=1' to see the full commands
94 ifeq ("$(origin V)", "command line")
101 ifeq ($(KBUILD_VERBOSE),1)
109 # If the user is running make -s (silent mode), suppress echoing of
112 ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4
113 ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
117 ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
122 export quiet Q KBUILD_VERBOSE
124 # kbuild supports saving output files in a separate directory.
125 # To locate output files in a separate directory two syntaxes are supported.
126 # In both cases the working directory must be the root of the kernel src.
128 # Use "make O=dir/to/store/output/files/"
130 # 2) Set KBUILD_OUTPUT
131 # Set the environment variable KBUILD_OUTPUT to point to the directory
132 # where the output files shall be placed.
133 # export KBUILD_OUTPUT=dir/to/store/output/files/
136 # The O= assignment takes precedence over the KBUILD_OUTPUT environment
139 # KBUILD_SRC is set on invocation of make in OBJ directory
140 # KBUILD_SRC is not intended to be used by the regular user (for now)
141 ifeq ($(KBUILD_SRC),)
143 # OK, Make called in directory where kernel src resides
144 # Do we want to locate output files in a separate directory?
145 ifeq ("$(origin O)", "command line")
146 KBUILD_OUTPUT := $(O)
149 # That's our default target when none is given on the command line
153 # Cancel implicit rules on top Makefile
154 $(CURDIR)/Makefile Makefile: ;
156 ifneq ($(KBUILD_OUTPUT),)
157 # Invoke a second make in the output directory, passing relevant variables
158 # check that the output directory actually exists
159 saved-output := $(KBUILD_OUTPUT)
160 KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \
162 $(if $(KBUILD_OUTPUT),, \
163 $(error failed to create output directory "$(saved-output)"))
165 PHONY += $(MAKECMDGOALS) sub-make
167 $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
171 $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \
172 -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS))
174 # Leave processing to above invocation of make
176 endif # ifneq ($(KBUILD_OUTPUT),)
177 endif # ifeq ($(KBUILD_SRC),)
179 # We process the rest of the Makefile if this is the final invocation of make
180 ifeq ($(skip-makefile),)
182 # Do not print "Entering directory ...",
183 # but we want to display it when entering to the output directory
184 # so that IDEs/editors are able to understand relative filenames.
185 MAKEFLAGS += --no-print-directory
187 # Call a source code checker (by default, "sparse") as part of the
190 # Use 'make C=1' to enable checking of only re-compiled files.
191 # Use 'make C=2' to enable checking of *all* source files, regardless
192 # of whether they are re-compiled or not.
194 # See the file "doc/sparse.txt" for more details, including
195 # where to get the "sparse" utility.
197 ifeq ("$(origin C)", "command line")
198 KBUILD_CHECKSRC = $(C)
200 ifndef KBUILD_CHECKSRC
204 # Use make M=dir to specify directory of external module to build
205 # Old syntax make ... SUBDIRS=$PWD is still supported
206 # Setting the environment variable KBUILD_EXTMOD take precedence
208 KBUILD_EXTMOD ?= $(SUBDIRS)
211 ifeq ("$(origin M)", "command line")
212 KBUILD_EXTMOD := $(M)
215 # If building an external module we do not care about the all: rule
216 # but instead _all depend on modules
218 ifeq ($(KBUILD_EXTMOD),)
224 ifeq ($(KBUILD_SRC),)
225 # building in the source tree
228 ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR)))
229 # building in a subdirectory of the source tree
232 srctree := $(KBUILD_SRC)
239 VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
241 export srctree objtree VPATH
243 # Make sure CDPATH settings don't interfere
246 #########################################################################
248 HOSTARCH := $(shell uname -m | \
250 -e s/sun4u/sparc64/ \
253 -e s/ppc64/powerpc/ \
255 -e s/macppc/powerpc/\
258 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
259 sed -e 's/\(cygwin\).*/cygwin/')
261 export HOSTARCH HOSTOS
263 #########################################################################
265 # set default to nothing for native builds
266 ifeq ($(HOSTARCH),$(ARCH))
270 KCONFIG_CONFIG ?= .config
271 export KCONFIG_CONFIG
273 # SHELL used by kbuild
274 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
275 else if [ -x /bin/bash ]; then echo /bin/bash; \
276 else echo sh; fi ; fi)
278 HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS 2>/dev/null)
279 HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS 2>/dev/null)
280 HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
284 KBUILD_HOSTCFLAGS := -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
285 $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
286 KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
287 KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)
288 KBUILD_HOSTLDLIBS := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
290 # With the move to GCC 6, we have implicitly upgraded our language
291 # standard to GNU11 (see https://gcc.gnu.org/gcc-5/porting_to.html).
292 # Some Linux distributions (including RHEL7, SLES13, Debian 8) still
293 # have older compilers as their default, so we make it explicit for
294 # these that our host tools are GNU11 (i.e. C11 w/ GNU extensions).
295 CSTD_FLAG := -std=gnu11
296 ifeq ($(HOSTOS),linux)
297 KBUILD_HOSTCFLAGS += $(CSTD_FLAG)
300 ifeq ($(HOSTOS),cygwin)
301 KBUILD_HOSTCFLAGS += -ansi
304 # Mac OS X / Darwin's C preprocessor is Apple specific. It
305 # generates numerous errors and warnings. We want to bypass it
306 # and use GNU C's cpp. To do this we pass the -traditional-cpp
307 # option to the compiler. Note that the -traditional-cpp flag
308 # DOES NOT have the same semantics as GNU C's flag, all it does
309 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
311 # Apple's linker is similar, thanks to the new 2 stage linking
312 # multiple symbol definitions are treated as errors, hence the
313 # -multiply_defined suppress option to turn off this error.
315 ifeq ($(HOSTOS),darwin)
316 # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
317 DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
318 DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
320 os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
321 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
323 os_x_after = $(shell if [ $(DARWIN_MAJOR_VERSION) -ge $(1) -a \
324 $(DARWIN_MINOR_VERSION) -ge $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
326 # Snow Leopards build environment has no longer restrictions as described above
327 HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
328 KBUILD_HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
329 KBUILD_HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
331 # macOS Mojave (10.14.X)
332 # Undefined symbols for architecture x86_64: "_PyArg_ParseTuple"
333 KBUILD_HOSTLDFLAGS += $(call os_x_after, 10, 14, "-lpython -dynamclib", "")
336 # Decide whether to build built-in, modular, or both.
337 # Normally, just do built-in.
342 # If we have only "make modules", don't compile built-in objects.
343 # When we're building modules with modversions, we need to consider
344 # the built-in objects during the descend as well, in order to
345 # make sure the checksums are up to date before we record them.
347 ifeq ($(MAKECMDGOALS),modules)
348 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
351 # If we have "make <whatever> modules", compile modules
352 # in addition to whatever we do anyway.
353 # Just "make" or "make all" shall build modules as well
355 # U-Boot does not need modules
356 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
357 # KBUILD_MODULES := 1
360 #ifeq ($(MAKECMDGOALS),)
361 # KBUILD_MODULES := 1
364 # Check ths size of a binary:
367 # #2: Size limit in bytes (decimal or 0xhex)
369 actual=$$( wc -c $1 | awk '{print $$1}'); \
370 limit=$$( printf "%d" $2 ); \
371 if test $$actual -gt $$limit; then \
372 echo "$1 exceeds file size limit:" >&2; \
373 echo " limit: $$(printf %#x $$limit) bytes" >&2; \
374 echo " actual: $$(printf %#x $$actual) bytes" >&2; \
375 echo " excess: $$(printf %#x $$((actual - limit))) bytes" >&2;\
381 export KBUILD_MODULES KBUILD_BUILTIN
382 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
384 # We need some generic definitions (do not try to remake the file).
385 scripts/Kbuild.include: ;
386 include scripts/Kbuild.include
388 # Make variables (CC, etc...)
390 AS = $(CROSS_COMPILE)as
392 ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),)
393 LD = $(CROSS_COMPILE)ld.bfd
395 LD = $(CROSS_COMPILE)ld
397 CC = $(CROSS_COMPILE)gcc
399 AR = $(CROSS_COMPILE)ar
400 NM = $(CROSS_COMPILE)nm
401 LDR = $(CROSS_COMPILE)ldr
402 STRIP = $(CROSS_COMPILE)strip
403 OBJCOPY = $(CROSS_COMPILE)objcopy
404 OBJDUMP = $(CROSS_COMPILE)objdump
412 DTC ?= $(objtree)/scripts/dtc/dtc
415 CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
416 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
418 KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__
420 KBUILD_CFLAGS := -Wall -Wstrict-prototypes \
421 -Wno-format-security \
422 -fno-builtin -ffreestanding $(CSTD_FLAG)
423 KBUILD_CFLAGS += -fshort-wchar -fno-strict-aliasing
424 KBUILD_AFLAGS := -D__ASSEMBLY__
427 ifeq ($(cc-name),clang)
428 ifneq ($(CROSS_COMPILE),)
429 CLANG_TARGET := --target=$(notdir $(CROSS_COMPILE:%-=%))
430 GCC_TOOLCHAIN_DIR := $(dir $(shell which $(LD)))
431 CLANG_PREFIX := --prefix=$(GCC_TOOLCHAIN_DIR)
432 GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..)
434 ifneq ($(GCC_TOOLCHAIN),)
435 CLANG_GCC_TC := --gcc-toolchain=$(GCC_TOOLCHAIN)
437 KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
438 KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
439 KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
440 KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
443 # Don't generate position independent code
444 KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
445 KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
447 # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
448 UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
449 UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
451 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
452 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
453 export CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
454 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
455 export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3
456 export HOSTCXX KBUILD_HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
458 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
459 export KBUILD_CFLAGS KBUILD_AFLAGS
461 export CC_VERSION_TEXT := $(shell $(CC) --version | head -n 1)
463 # When compiling out-of-tree modules, put MODVERDIR in the module
464 # tree rather than in the kernel tree. The kernel tree might
466 export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions
468 # Files to ignore in find ... statements
470 export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \
471 -name CVS -o -name .pc -o -name .hg -o -name .git \) \
473 export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
474 --exclude CVS --exclude .pc --exclude .hg --exclude .git
476 # ===========================================================================
477 # Rules shared between *config targets and build targets
479 # Basic helpers built in scripts/
480 PHONY += scripts_basic
482 $(Q)$(MAKE) $(build)=scripts/basic
483 $(Q)rm -f .tmp_quiet_recordmcount
485 # To avoid any implicit rule to kick in, define an empty command.
486 scripts/basic/%: scripts_basic ;
488 PHONY += outputmakefile
489 # outputmakefile generates a Makefile in the output directory, if using a
490 # separate output directory. This allows convenient use of make in the
493 ifneq ($(KBUILD_SRC),)
494 $(Q)ln -fsn $(srctree) source
495 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
496 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
499 # To make sure we do not include .config for any of the *config targets
500 # catch them early, and hand them over to scripts/kconfig/Makefile
501 # It is allowed to specify more targets when calling make, including
502 # mixing *config targets and build targets.
503 # For example 'make oldconfig all'.
504 # Detect when mixed targets is specified, and make a second invocation
505 # of make so .config is not included in this case either (for *config).
507 version_h := include/generated/version_autogenerated.h
508 timestamp_h := include/generated/timestamp_autogenerated.h
509 defaultenv_h := include/generated/defaultenv_autogenerated.h
510 dt_h := include/generated/dt.h
512 no-dot-config-targets := clean clobber mrproper distclean \
513 help %docs check% coccicheck \
514 ubootversion backup tests check qcheck tcheck
520 ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
521 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
526 ifeq ($(KBUILD_EXTMOD),)
527 ifneq ($(filter config %config,$(MAKECMDGOALS)),)
529 ifneq ($(words $(MAKECMDGOALS)),1)
535 ifeq ($(mixed-targets),1)
536 # ===========================================================================
537 # We're called with mixed targets (*config and build targets).
538 # Handle them one by one.
540 PHONY += $(MAKECMDGOALS) __build_one_by_one
542 $(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one
547 for i in $(MAKECMDGOALS); do \
548 $(MAKE) -f $(srctree)/Makefile $$i; \
552 ifeq ($(config-targets),1)
553 # ===========================================================================
554 # *config targets only - make sure prerequisites are updated, and descend
555 # in scripts/kconfig to make the *config target
557 KBUILD_DEFCONFIG := sandbox_defconfig
558 export KBUILD_DEFCONFIG KBUILD_KCONFIG
560 config: scripts_basic outputmakefile FORCE
561 $(Q)$(MAKE) $(build)=scripts/kconfig $@
563 %config: scripts_basic outputmakefile FORCE
564 $(Q)$(MAKE) $(build)=scripts/kconfig $@
567 # ===========================================================================
568 # Build targets only - this includes vmlinux, arch specific targets, clean
569 # targets and others. In general all targets except *config targets.
571 # Additional helpers built in scripts/
572 # Carefully list dependencies so we do not try to build scripts twice
575 scripts: scripts_basic include/config/auto.conf
576 $(Q)$(MAKE) $(build)=$(@)
578 ifeq ($(dot-config),1)
580 -include include/config/auto.conf
582 # Read in dependencies to all Kconfig* files, make sure to run
583 # oldconfig if changes are detected.
584 -include include/config/auto.conf.cmd
586 # To avoid any implicit rule to kick in, define an empty command
587 $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
589 # If .config is newer than include/config/auto.conf, someone tinkered
590 # with it and forgot to run make oldconfig.
591 # if auto.conf.cmd is missing then we are probably in a cleaned tree so
592 # we execute the config step to be sure to catch updated Kconfig files
593 include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
594 $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
595 @# If the following part fails, include/config/auto.conf should be
596 @# deleted so "make silentoldconfig" will be re-run on the next build.
597 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \
598 { rm -f include/config/auto.conf; false; }
599 @# include/config.h has been updated after "make silentoldconfig".
600 @# We need to touch include/config/auto.conf so it gets newer
601 @# than include/config.h.
602 @# Otherwise, 'make silentoldconfig' would be invoked twice.
603 $(Q)touch include/config/auto.conf
605 u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg:
606 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@)
608 -include include/autoconf.mk
609 -include include/autoconf.mk.dep
611 # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
612 # is up-to-date. When we switch to a different board configuration, old CONFIG
613 # macros are still remaining in include/config/auto.conf. Without the following
614 # gimmick, wrong config.mk would be included leading nasty warnings/errors.
615 ifneq ($(wildcard $(KCONFIG_CONFIG)),)
616 ifneq ($(wildcard include/config/auto.conf),)
617 autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \
618 include/config/auto.conf)
619 ifeq ($(autoconf_is_old),)
621 include arch/$(ARCH)/Makefile
626 # These are set by the arch-specific config.mk. Make sure they are exported
627 # so they can be used when building an EFI application.
628 export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib
629 export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib
630 export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib
631 export CFLAGS_EFI # Compiler flags to add when building EFI app
632 export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app
633 export EFI_TARGET # binutils target if EFI is natively supported
635 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
636 # that (or fail if absent). Otherwise, search for a linker script in a
640 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
641 ifdef CONFIG_SYS_LDSCRIPT
642 # need to strip off double quotes
643 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%)
647 # If there is no specified link script, we look in a number of places for it
649 ifeq ($(wildcard $(LDSCRIPT)),)
650 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds
652 ifeq ($(wildcard $(LDSCRIPT)),)
653 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds
655 ifeq ($(wildcard $(LDSCRIPT)),)
656 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds
661 # Dummy target needed, because used as prerequisite
662 include/config/auto.conf: ;
663 endif # $(dot-config)
666 # Xtensa linker script cannot be preprocessed with -ansi because of
667 # preprocessor operations on strings that don't make C identifiers.
669 ifeq ($(CONFIG_XTENSA),)
673 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
679 ifeq ($(CONFIG_STACKPROTECTOR),y)
680 KBUILD_CFLAGS += $(call cc-option,-fstack-protector-strong)
681 CFLAGS_EFI += $(call cc-option,-fno-stack-protector)
683 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
685 KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks)
687 # disable stringop warnings in gcc 8+
688 KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
690 # Enabled with W=2, disabled by default as noisy
691 KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized)
693 # change __FILE__ to the relative path from the srctree
694 KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
697 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
698 # option to the assembler.
701 # Report stack usage if supported
702 # ARC tools based on GCC 7.1 has an issue with stack usage
703 # with naked functions, see commit message for more details
705 ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
706 KBUILD_CFLAGS += -fstack-usage
710 KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
711 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
713 ifeq ($(cc-name),clang)
714 KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
715 KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
716 KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
717 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
718 # Quiet clang warning: comparison of unsigned expression < 0 is always false
719 KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
720 # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
721 # source of a reference will be _MergedGlobals and not on of the whitelisted names.
722 # See modpost pattern 2
723 KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
724 KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
727 # These warnings generated too much noise in a regular build.
728 # Use make W=1 to enable them (see scripts/Makefile.extrawarn)
729 KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
732 # Prohibit date/time macros, which would make the build non-deterministic
733 KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)
735 include scripts/Makefile.extrawarn
737 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
738 KBUILD_CPPFLAGS += $(KCPPFLAGS)
739 KBUILD_AFLAGS += $(KAFLAGS)
740 KBUILD_CFLAGS += $(KCFLAGS)
742 KBUILD_HOSTCFLAGS += $(if $(CONFIG_TOOLS_DEBUG),-g)
744 # Use UBOOTINCLUDE when you must reference the include/ directory.
745 # Needed to be compatible with the O= option
748 $(if $(KBUILD_SRC), -I$(srctree)/include) \
749 $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \
750 $(if $(CONFIG_HAS_THUMB2), \
751 $(if $(CONFIG_CPU_V7M), \
752 -I$(srctree)/arch/arm/thumb1/include), \
753 -I$(srctree)/arch/arm/thumb1/include)) \
754 -I$(srctree)/arch/$(ARCH)/include \
755 -include $(srctree)/include/linux/kconfig.h
757 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
760 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
762 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
764 #########################################################################
765 # U-Boot objects....order is important (i.e. start must be first)
767 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
770 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
771 libs-$(CONFIG_OF_EMBED) += dts/
776 libs-y += drivers/dma/
777 libs-y += drivers/gpio/
778 libs-y += drivers/i2c/
779 libs-y += drivers/net/
780 libs-y += drivers/net/phy/
781 libs-y += drivers/power/ \
782 drivers/power/domain/ \
783 drivers/power/fuel_gauge/ \
785 drivers/power/pmic/ \
786 drivers/power/battery/ \
787 drivers/power/regulator/
788 libs-y += drivers/spi/
789 libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/
790 libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
791 libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/
792 libs-$(CONFIG_$(SPL_)ALTERA_SDRAM) += drivers/ddr/altera/
793 libs-y += drivers/serial/
794 libs-y += drivers/usb/cdns3/
795 libs-y += drivers/usb/dwc3/
796 libs-y += drivers/usb/common/
797 libs-y += drivers/usb/emul/
798 libs-y += drivers/usb/eth/
799 libs-$(CONFIG_USB_DEVICE) += drivers/usb/gadget/
800 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/
801 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/
802 libs-y += drivers/usb/host/
803 libs-y += drivers/usb/mtu3/
804 libs-y += drivers/usb/musb/
805 libs-y += drivers/usb/musb-new/
806 libs-y += drivers/usb/phy/
807 libs-y += drivers/usb/ulpi/
811 libs-$(CONFIG_API) += api/
815 libs-$(CONFIG_UNIT_TEST) += test/
816 libs-$(CONFIG_UT_ENV) += test/env/
817 libs-$(CONFIG_UT_OPTEE) += test/optee/
818 libs-$(CONFIG_UT_OVERLAY) += test/overlay/
820 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
822 libs-y := $(sort $(libs-y))
824 u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples
826 u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-))))
828 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
830 u-boot-init := $(head-y)
831 u-boot-main := $(libs-y)
835 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
836 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
838 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
840 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
842 ifdef CONFIG_CC_COVERAGE
843 KBUILD_CFLAGS += --coverage
844 PLATFORM_LIBGCC += -lgcov
848 export PLATFORM_LIBGCC
850 # Special flags for CPP when processing the linker script.
851 # Pass the version down so we can handle backwards compatibility
854 -include $(srctree)/include/u-boot/u-boot.lds.h \
856 $(shell $(LD) --version | \
857 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
859 #########################################################################
860 #########################################################################
862 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
863 BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT))
868 ifneq ($(CONFIG_SPL_SIZE_LIMIT),0x0)
869 SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit))
874 ifneq ($(CONFIG_TPL_SIZE_LIMIT),0x0)
875 TPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_TPL_SIZE_LIMIT))
880 # Statically apply RELA-style relocations (currently arm64 only)
881 # This is useful for arm64 where static relocation needs to be performed on
882 # the raw binary, but certain simulators only accept an ELF file (but don't
883 # do the relocation).
884 ifneq ($(CONFIG_STATIC_RELA),)
885 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
886 quiet_cmd_static_rela = RELOC $@
888 start=$$($(NM) $(2) | grep __rel_dyn_start | cut -f 1 -d ' '); \
889 end=$$($(NM) $(2) | grep __rel_dyn_end | cut -f 1 -d ' '); \
890 tools/relocate-rela $(3) $(4) $$start $$end
892 quiet_cmd_static_rela =
896 # Always append INPUTS so that arch config.mk's can add custom ones
897 INPUTS-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check
899 INPUTS-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
900 ifeq ($(CONFIG_SPL_FSL_PBL),y)
901 INPUTS-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin
903 ifneq ($(CONFIG_NXP_ESBC), y)
904 # For Secure Boot The Image needs to be signed and Header must also
905 # be included. So The image has to be built explicitly
906 INPUTS-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl
909 INPUTS-$(CONFIG_SPL) += spl/u-boot-spl.bin
910 ifeq ($(CONFIG_MX6)$(CONFIG_IMX_HAB), yy)
911 INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
913 ifeq ($(CONFIG_MX7)$(CONFIG_IMX_HAB), yy)
914 INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
916 INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
919 INPUTS-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
920 INPUTS-$(CONFIG_OF_SEPARATE) += u-boot.dtb
921 ifeq ($(CONFIG_SPL_FRAMEWORK),y)
922 INPUTS-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img
924 INPUTS-$(CONFIG_OF_HOSTFILE) += u-boot.dtb
925 ifneq ($(CONFIG_SPL_TARGET),)
926 INPUTS-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
928 INPUTS-$(CONFIG_REMAKE_ELF) += u-boot.elf
929 INPUTS-$(CONFIG_EFI_APP) += u-boot-app.efi
930 INPUTS-$(CONFIG_EFI_STUB) += u-boot-payload.efi
932 # Generate this input file for binman
933 ifeq ($(CONFIG_SPL),)
934 INPUTS-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin
937 # Add optional build target if defined in board/cpu/soc headers
938 ifneq ($(CONFIG_BUILD_TARGET),)
939 INPUTS-y += $(CONFIG_BUILD_TARGET:"%"=%)
942 ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy)
943 INPUTS-y += init_sp_bss_offset_check
946 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
947 INPUTS-y += u-boot-with-dtb.bin
950 ifeq ($(CONFIG_ARCH_ROCKCHIP),y)
951 # On ARM64 this target is produced by binman so we don't need this dep
952 ifeq ($(CONFIG_ARM64),y)
953 ifeq ($(CONFIG_SPL),y)
954 # TODO: Get binman to generate this too
955 INPUTS-y += u-boot-rockchip.bin
958 ifeq ($(CONFIG_SPL),y)
959 # Generate these inputs for binman which will create the output files
960 INPUTS-y += idbloader.img u-boot.img
965 INPUTS-$(CONFIG_X86) += u-boot-x86-start16.bin u-boot-x86-reset16.bin \
966 $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \
967 $(if $(CONFIG_TPL_X86_16BIT_INIT),tpl/u-boot-tpl.bin)
969 LDFLAGS_u-boot += $(LDFLAGS_FINAL)
971 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
972 LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
974 ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),)
975 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
978 # insure the checker run with the right endianness
979 CHECKFLAGS += $(if $(CONFIG_CPU_BIG_ENDIAN),-mbig-endian,-mlittle-endian)
981 # the checker needs the correct machine size
982 CHECKFLAGS += $(if $(CONFIG_64BIT),-m64,-m32)
984 # Normally we fill empty space with 0xff
985 quiet_cmd_objcopy = OBJCOPY $@
986 cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \
987 $(OBJCOPYFLAGS_$(@F)) $< $@
989 # Provide a version which does not do this, for use by EFI
990 quiet_cmd_zobjcopy = OBJCOPY $@
991 cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
993 quiet_cmd_efipayload = OBJCOPY $@
994 cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@
996 MKIMAGEOUTPUT ?= /dev/null
998 quiet_cmd_mkimage = MKIMAGE $@
999 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
1000 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
1002 quiet_cmd_mkfitimage = MKIMAGE $@
1003 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) \
1004 -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@ \
1005 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
1007 quiet_cmd_cat = CAT $@
1008 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
1010 append = cat $(filter-out $< $(PHONY), $^) >> $@
1012 quiet_cmd_pad_cat = CAT $@
1013 cmd_pad_cat = $(cmd_objcopy) && $(append) || { rm -f $@; false; }
1015 quiet_cmd_lzma = LZMA $@
1016 cmd_lzma = lzma -c -z -k -9 $< > $@
1020 quiet_cmd_cfgcheck = CFGCHK $2
1021 cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \
1022 $(srctree)/scripts/config_whitelist.txt $(srctree)
1024 # Concat the value of all the CONFIGs (result is 'y' or 'yy', etc. )
1025 got = $(foreach cfg,$(1),$($(cfg)))
1027 # expected value 'y for each one
1028 expect = $(foreach cfg,$(1),y)
1030 # Show a deprecation message
1032 # 1: List of CONFIG_DM_... to migrate to (e.g. "CONFIG_DM_MMC CONFIG_BLK")
1033 # 2: Name of component (e.g . "Ethernet drivers")
1034 # 3: Release deadline (e.g. "v202.07")
1035 # 4: Condition to require before checking (e.g. "$(CONFIG_NET)")
1036 # Note: Script avoids bash construct, hence the strange double 'if'
1037 # (patches welcome!)
1039 @if [ -n "$(strip $(4))" ]; then if [ "$(got)" != "$(expect)" ]; then \
1040 echo >&2 "===================== WARNING ======================"; \
1041 echo >&2 "This board does not use $(firstword $(1)) (Driver Model"; \
1042 echo >&2 "for $(2)). Please update the board to use"; \
1043 echo >&2 "$(firstword $(1)) before the $(3) release. Failure to"; \
1044 echo >&2 "update by the deadline may result in board removal."; \
1045 echo >&2 "See doc/driver-model/migration.rst for more info."; \
1046 echo >&2 "===================================================="; \
1054 all: .binman_stamp inputs
1055 ifeq ($(CONFIG_BINMAN),y)
1056 $(call if_changed,binman)
1059 # Timestamp file to make sure that binman always runs
1060 .binman_stamp: FORCE
1063 ifeq ($(CONFIG_DEPRECATED),y)
1064 $(warning "You have deprecated configuration options enabled in your .config! Please check your configuration.")
1066 ifeq ($(CONFIG_OF_EMBED),y)
1067 @echo >&2 "===================== WARNING ======================"
1068 @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only"
1069 @echo >&2 "be used for debugging purposes. Please use"
1070 @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline."
1071 @echo >&2 "See doc/README.fdt-control for more info."
1072 @echo >&2 "===================================================="
1074 ifneq ($(CONFIG_SPL_FIT_GENERATOR),)
1075 @echo >&2 "===================== WARNING ======================"
1076 @echo >&2 "This board uses CONFIG_SPL_FIT_GENERATOR. Please migrate"
1077 @echo >&2 "to binman instead, to avoid the proliferation of"
1078 @echo >&2 "arch-specific scripts with no tests."
1079 @echo >&2 "===================================================="
1081 ifneq ($(CONFIG_DM),y)
1082 @echo >&2 "===================== WARNING ======================"
1083 @echo >&2 "This board does not use CONFIG_DM. CONFIG_DM will be"
1084 @echo >&2 "compulsory starting with the v2020.01 release."
1085 @echo >&2 "Failure to update may result in board removal."
1086 @echo >&2 "See doc/driver-model/migration.rst for more info."
1087 @echo >&2 "===================================================="
1089 $(call deprecated,CONFIG_DM_USB CONFIG_OF_CONTROL CONFIG_BLK,\
1090 USB,v2019.07,$(CONFIG_USB))
1091 $(call deprecated,CONFIG_DM_PCI,PCI,v2019.07,$(CONFIG_PCI))
1092 $(call deprecated,CONFIG_DM_VIDEO,video,v2019.07,\
1093 $(CONFIG_LCD)$(CONFIG_VIDEO))
1094 $(call deprecated,CONFIG_DM_SPI_FLASH,SPI flash,v2019.07,\
1095 $(CONFIG_SPI_FLASH))
1096 $(call deprecated,CONFIG_WDT,DM watchdog,v2019.10,\
1097 $(CONFIG_WATCHDOG)$(CONFIG_HW_WATCHDOG))
1098 $(call deprecated,CONFIG_DM_ETH,Ethernet drivers,v2020.07,$(CONFIG_NET))
1099 $(call deprecated,CONFIG_DM_I2C,I2C drivers,v2022.04,$(CONFIG_I2C))
1100 @# Check that this build does not use CONFIG options that we do not
1101 @# know about unless they are in Kconfig. All the existing CONFIG
1102 @# options are whitelisted, so new ones should not be added.
1103 $(call cmd,cfgcheck,u-boot.cfg)
1109 $(Q)$(MAKE) $(build)=dts dtbs
1111 quiet_cmd_copy = COPY $@
1114 ifeq ($(CONFIG_MULTI_DTB_FIT),y)
1116 ifeq ($(CONFIG_MULTI_DTB_FIT_LZO),y)
1117 FINAL_DTB_CONTAINER = fit-dtb.blob.lzo
1118 else ifeq ($(CONFIG_MULTI_DTB_FIT_GZIP),y)
1119 FINAL_DTB_CONTAINER = fit-dtb.blob.gz
1121 FINAL_DTB_CONTAINER = fit-dtb.blob
1124 fit-dtb.blob.gz: fit-dtb.blob
1127 fit-dtb.blob.lzo: fit-dtb.blob
1130 fit-dtb.blob: dts/dt.dtb FORCE
1131 $(call if_changed,mkimage)
1132 ifneq ($(SOURCE_DATE_EPOCH),)
1133 touch -d @$(SOURCE_DATE_EPOCH) fit-dtb.blob
1134 chmod 0600 fit-dtb.blob
1137 MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
1139 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null
1142 u-boot-fit-dtb.bin: u-boot-nodtb.bin $(EXT_DTB)
1143 $(call if_changed,cat)
1145 u-boot-fit-dtb.bin: u-boot-nodtb.bin $(FINAL_DTB_CONTAINER)
1146 $(call if_changed,cat)
1149 u-boot.bin: u-boot-fit-dtb.bin FORCE
1150 $(call if_changed,copy)
1152 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
1153 $(call if_changed,cat)
1155 else ifeq ($(CONFIG_OF_SEPARATE),y)
1156 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
1157 $(call if_changed,cat)
1159 u-boot.bin: u-boot-dtb.bin FORCE
1160 $(call if_changed,copy)
1162 u-boot.bin: u-boot-nodtb.bin FORCE
1163 $(call if_changed,copy)
1166 # we call Makefile in arch/arm/mach-imx which
1167 # has targets which are dependent on targets defined
1168 # here. make could not resolve them and we must ensure
1169 # that they are finished before calling imx targets
1170 ifeq ($(CONFIG_MULTI_DTB_FIT),y)
1171 IMX_DEPS = u-boot-fit-dtb.bin
1174 %.imx: $(IMX_DEPS) %.bin
1175 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1179 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
1181 quiet_cmd_copy = COPY $@
1184 u-boot.dtb: dts/dt.dtb
1187 OBJCOPYFLAGS_u-boot.hex := -O ihex
1189 OBJCOPYFLAGS_u-boot.srec := -O srec
1191 u-boot.hex u-boot.srec: u-boot FORCE
1192 $(call if_changed,objcopy)
1194 OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec)
1196 u-boot-elf.srec: u-boot.elf FORCE
1197 $(call if_changed,objcopy)
1199 OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec)
1201 spl/u-boot-spl.srec: spl/u-boot-spl FORCE
1202 $(call if_changed,objcopy)
1205 $(Q)$(MAKE) $(build)=arch/arm/mach-rmobile $@
1207 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
1208 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \
1209 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec)
1211 binary_size_check: u-boot-nodtb.bin FORCE
1212 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \
1213 map_size=$(shell cat u-boot.map | \
1214 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \
1217 if [ "" != "$$map_size" ]; then \
1218 if test $$map_size -ne $$file_size; then \
1219 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \
1220 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \
1225 ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy)
1226 ifneq ($(CONFIG_SYS_MALLOC_F_LEN),)
1227 subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN)))
1229 subtract_sys_malloc_f_len = true
1231 # The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is
1232 # so low that the DTB could probably use 90%+ of the available space, for
1233 # current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be
1234 # safe for now and tweak this later if space becomes tight.
1235 # A rejected alternative would be to check that some absolute minimum stack
1236 # space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is
1237 # deliberately build-specific, to take account of build-to-build stack usage
1238 # differences due to different feature sets, there is no common absolute value
1240 init_sp_bss_offset_check: u-boot.dtb FORCE
1241 @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \
1242 space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \
1243 $(subtract_sys_malloc_f_len) ; \
1244 quarter_space=$$(($${space} / 4)) ; \
1245 if [ $${dtb_size} -gt $${quarter_space} ]; then \
1246 echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \
1247 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \
1252 shell_cmd = { $(call echo-cmd,$(1)) $(cmd_$(1)); }
1254 quiet_cmd_objcopy_uboot = OBJCOPY $@
1255 ifdef cmd_static_rela
1256 cmd_objcopy_uboot = $(cmd_objcopy) && $(call shell_cmd,static_rela,$<,$@,$(CONFIG_SYS_TEXT_BASE)) || { rm -f $@; false; }
1258 cmd_objcopy_uboot = $(cmd_objcopy)
1261 u-boot-nodtb.bin: u-boot FORCE
1262 $(call if_changed,objcopy_uboot)
1267 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS)
1271 # ---------------------------------------------------------------------------
1272 # Use 'make BINMAN_DEBUG=1' to enable debugging
1273 # Use 'make BINMAN_VERBOSE=3' to set vebosity level
1274 default_dt := $(if $(DEVICE_TREE),$(DEVICE_TREE),$(CONFIG_DEFAULT_DEVICE_TREE))
1276 # Tell binman whether we have a devicetree for SPL and TPL
1277 have_spl_dt := $(if $(CONFIG_SPL_OF_PLATDATA),,$(CONFIG_SPL_OF_CONTROL))
1278 have_tpl_dt := $(if $(CONFIG_TPL_OF_PLATDATA),,$(CONFIG_TPL_OF_CONTROL))
1280 quiet_cmd_binman = BINMAN $@
1281 cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \
1282 --toolpath $(objtree)/tools \
1283 $(if $(BINMAN_VERBOSE),-v$(BINMAN_VERBOSE)) \
1284 build -u -d u-boot.dtb -O . -m --allow-missing \
1285 -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \
1286 -I arch/$(ARCH)/dts -a of-list=$(CONFIG_OF_LIST) \
1287 -a atf-bl31-path=${BL31} \
1288 -a default-dt=$(default_dt) \
1289 -a scp-path=$(SCP) \
1290 -a spl-bss-pad=$(if $(CONFIG_SPL_SEPARATE_BSS),,1) \
1291 -a tpl-bss-pad=$(if $(CONFIG_TPL_SEPARATE_BSS),,1) \
1292 -a spl-dtb=$(have_spl_dt) -a tpl-dtb=$(have_tpl_dt) \
1295 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
1297 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
1299 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
1300 $(call if_changed,objcopy)
1303 # U-Boot entry point, needed for booting of full-blown U-Boot
1304 # from the SPL U-Boot version.
1306 ifndef CONFIG_SYS_UBOOT_START
1307 CONFIG_SYS_UBOOT_START := $(CONFIG_SYS_TEXT_BASE)
1310 # Boards with more complex image requirements can provide an .its source file
1311 # or a generator script
1312 # NOTE: Please do not use this. We are migrating away from Makefile rules to use
1314 ifneq ($(CONFIG_SPL_FIT_SOURCE),"")
1315 U_BOOT_ITS := u-boot.its
1316 $(U_BOOT_ITS): $(subst ",,$(CONFIG_SPL_FIT_SOURCE))
1317 $(call if_changed,copy)
1319 ifneq ($(CONFIG_USE_SPL_FIT_GENERATOR),)
1320 U_BOOT_ITS := u-boot.its
1321 ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-imx/mkimage_fit_atf.sh")
1322 U_BOOT_ITS_DEPS += u-boot-nodtb.bin
1324 ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py")
1325 U_BOOT_ITS_DEPS += u-boot
1327 $(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE
1328 $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \
1329 $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@
1333 ifdef CONFIG_SPL_LOAD_FIT
1334 MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
1335 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1336 -p $(CONFIG_FIT_EXTERNAL_OFFSET) \
1337 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \
1338 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(DEVICE_TREE))) \
1339 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) \
1340 $(patsubst %,-b arch/$(ARCH)/dts/%.dtbo,$(subst ",,$(CONFIG_OF_OVERLAY_LIST)))
1342 MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
1343 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1344 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1345 MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \
1346 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1347 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1348 u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log
1351 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img)
1353 # Some boards have the kwbimage.cfg file written in advance, while some
1354 # other boards generate it on the fly during the build in the build tree.
1355 # Let's check if the file exists in the build tree first, otherwise we
1356 # fall back to use the one in the source tree.
1357 KWD_CONFIG_FILE = $(shell \
1358 if [ -f $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) ]; then \
1359 echo -n $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \
1361 echo -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \
1364 MKIMAGEFLAGS_u-boot.kwb = -n $(KWD_CONFIG_FILE) \
1365 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE)
1367 MKIMAGEFLAGS_u-boot-spl.kwb = -n $(KWD_CONFIG_FILE) \
1368 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \
1369 $(if $(KEYDIR),-k $(KEYDIR))
1371 MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
1372 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage
1374 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
1375 UBOOT_BIN := u-boot-with-dtb.bin
1377 UBOOT_BIN := u-boot.bin
1380 MKIMAGEFLAGS_u-boot-lzma.img = -A $(ARCH) -T standalone -C lzma -O u-boot \
1381 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1382 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1384 u-boot.bin.lzma: u-boot.bin FORCE
1385 $(call if_changed,lzma)
1387 u-boot-lzma.img: u-boot.bin.lzma FORCE
1388 $(call if_changed,mkimage)
1390 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \
1391 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin \
1392 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \
1393 ,$(UBOOT_BIN)) FORCE
1394 $(call if_changed,mkimage)
1397 ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y)
1398 MKIMAGEFLAGS_u-boot.itb =
1400 MKIMAGEFLAGS_u-boot.itb = -E
1404 u-boot.itb: u-boot-nodtb.bin \
1405 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \
1407 $(call if_changed,mkfitimage)
1411 u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE
1412 $(call if_changed,mkimage)
1414 u-boot.sha1: u-boot.bin
1415 tools/ubsha1 u-boot.bin
1418 $(OBJDUMP) -d $< > $@
1420 ifneq ($(CONFIG_SPL_PAYLOAD),)
1421 SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%)
1423 SPL_PAYLOAD := u-boot.bin
1426 SPL_IMAGE := $(CONFIG_SPL_IMAGE:"%"=%)
1428 OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \
1429 --pad-to=$(CONFIG_SPL_PAD_TO)
1430 u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE
1431 $(call if_changed,pad_cat)
1433 ifeq ($(CONFIG_ARCH_ROCKCHIP),y)
1436 ifeq ($(CONFIG_SPL)$(CONFIG_TPL),yy)
1437 MKIMAGEFLAGS_u-boot-tpl-rockchip.bin = -n $(CONFIG_SYS_SOC) -T rksd
1438 tpl/u-boot-tpl-rockchip.bin: tpl/u-boot-tpl.bin FORCE
1439 $(call if_changed,mkimage)
1440 idbloader.img: tpl/u-boot-tpl-rockchip.bin spl/u-boot-spl.bin FORCE
1441 $(call if_changed,cat)
1443 MKIMAGEFLAGS_idbloader.img = -n $(CONFIG_SYS_SOC) -T rksd
1444 idbloader.img: spl/u-boot-spl.bin FORCE
1445 $(call if_changed,mkimage)
1448 ifeq ($(CONFIG_ARM64),y)
1449 OBJCOPYFLAGS_u-boot-rockchip.bin = -I binary -O binary \
1450 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff
1451 u-boot-rockchip.bin: idbloader.img u-boot.itb FORCE
1452 $(call if_changed,pad_cat)
1453 endif # CONFIG_ARM64
1455 endif # CONFIG_ARCH_ROCKCHIP
1457 ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy)
1458 MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE)
1460 lpc32xx-spl.img: spl/u-boot-spl.bin FORCE
1461 $(call if_changed,mkimage)
1463 OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
1465 lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE
1466 $(call if_changed,objcopy)
1468 OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
1470 lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE
1471 $(call if_changed,objcopy)
1473 lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE
1474 $(call if_changed,cat)
1478 OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \
1479 --pad-to=$(CONFIG_TPL_PAD_TO)
1480 tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
1481 $(call if_changed,pad_cat)
1483 SPL: spl/u-boot-spl.bin FORCE
1484 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1486 ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y)
1487 ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y)
1488 u-boot.cnt: u-boot.bin FORCE
1489 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1491 flash.bin: spl/u-boot-spl.bin u-boot.cnt FORCE
1492 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1494 ifeq ($(CONFIG_BINMAN),y)
1495 flash.bin: spl/u-boot-spl.bin $(INPUTS-y) FORCE
1496 $(call if_changed,binman)
1497 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1499 flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE
1500 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1505 u-boot.uim: u-boot.bin FORCE
1506 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1508 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL $(if $(CONFIG_OF_SEPARATE),u-boot.img,u-boot.uim) FORCE
1509 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1511 MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE)
1513 u-boot.ubl: u-boot-with-spl.bin FORCE
1514 $(call if_changed,mkimage)
1516 MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \
1517 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \
1518 -T aisimage -e $(CONFIG_SPL_TEXT_BASE)
1519 spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE
1520 $(call if_changed,mkimage)
1522 OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
1523 u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE
1524 $(call if_changed,pad_cat)
1526 u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin
1527 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb
1528 u-boot.sb: u-boot.bin spl/u-boot-spl.bin
1529 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb
1531 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
1532 # Both images are created using mkimage (crc etc), so that the ROM
1533 # bootloader can check its integrity. Padding needs to be done to the
1534 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
1535 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
1536 # The resulting image containing both U-Boot images is called u-boot.spr
1537 MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \
1538 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER
1539 spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE
1540 $(call if_changed,mkimage)
1542 OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
1544 u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE
1545 $(call if_changed,pad_cat)
1547 ifneq ($(CONFIG_ARCH_SOCFPGA),)
1548 quiet_cmd_gensplx4 = GENSPLX4 $@
1549 cmd_gensplx4 = $(OBJCOPY) -I binary -O binary --gap-fill=0x0 \
1550 --pad-to=$(CONFIG_SPL_PAD_TO) \
1551 spl/u-boot-spl.sfp spl/u-boot-spl.sfp && \
1552 cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \
1553 spl/u-boot-spl.sfp spl/u-boot-spl.sfp > $@ || { rm -f $@; false; }
1554 spl/u-boot-splx4.sfp: spl/u-boot-spl.sfp FORCE
1555 $(call if_changed,gensplx4)
1557 quiet_cmd_socboot = SOCBOOT $@
1558 cmd_socboot = cat spl/u-boot-splx4.sfp u-boot.img > $@ || { rm -f $@; false; }
1559 u-boot-with-spl.sfp: spl/u-boot-splx4.sfp u-boot.img FORCE
1560 $(call if_changed,socboot)
1562 quiet_cmd_gensplpadx4 = GENSPLPADX4 $@
1563 cmd_gensplpadx4 = dd if=/dev/zero of=spl/u-boot-spl.pad bs=64 count=1024 ; \
1564 cat spl/u-boot-spl.sfp spl/u-boot-spl.pad \
1565 spl/u-boot-spl.sfp spl/u-boot-spl.pad \
1566 spl/u-boot-spl.sfp spl/u-boot-spl.pad \
1567 spl/u-boot-spl.sfp spl/u-boot-spl.pad > $@ || \
1568 { rm -f $@ spl/u-boot-spl.pad; false; }
1569 u-boot-spl-padx4.sfp: spl/u-boot-spl.sfp FORCE
1570 $(call if_changed,gensplpadx4)
1572 quiet_cmd_socnandboot = SOCNANDBOOT $@
1573 cmd_socnandboot = cat u-boot-spl-padx4.sfp u-boot.img > $@ || { rm -f $@; false; }
1574 u-boot-with-nand-spl.sfp: u-boot-spl-padx4.sfp u-boot.img FORCE
1575 $(call if_changed,socnandboot)
1579 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
1580 u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \
1581 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE
1582 $(call if_changed,binman)
1584 ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y)
1585 OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec
1586 u-boot-br.bin: u-boot FORCE
1587 $(call if_changed,objcopy)
1591 quiet_cmd_ldr = LD $@
1592 cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \
1593 $(filter-out FORCE,$^) -o $@
1596 OBJCOPYFLAGS_u-boot-x86-start16.bin := -O binary -j .start16
1597 u-boot-x86-start16.bin: u-boot FORCE
1598 $(call if_changed,objcopy)
1600 OBJCOPYFLAGS_u-boot-x86-reset16.bin := -O binary -j .resetvec
1601 u-boot-x86-reset16.bin: u-boot FORCE
1602 $(call if_changed,objcopy)
1606 OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI)
1607 u-boot-app.efi: u-boot FORCE
1608 $(call if_changed,zobjcopy)
1610 u-boot.bin.o: u-boot.bin FORCE
1611 $(call if_changed,efipayload)
1613 u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE
1614 $(call if_changed_dep,cpp_lds)
1616 # Rule to link the EFI payload which contains a stub and a U-Boot binary
1617 quiet_cmd_u-boot_payload ?= LD $@
1618 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \
1619 -T u-boot-payload.lds arch/x86/cpu/call32.o \
1620 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \
1621 $(addprefix arch/$(ARCH)/lib/,$(EFISTUB))
1623 u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE
1624 $(call if_changed,u-boot_payload)
1626 OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI)
1627 u-boot-payload.efi: u-boot-payload FORCE
1628 $(call if_changed,zobjcopy)
1630 u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
1631 $(call if_changed,cat)
1633 #Add a target to create boot binary having SPL binary in PBI format
1634 #concatenated with u-boot binary. It is need by PowerPC SoC having
1635 #internal SRAM <= 512KB.
1636 MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
1637 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \
1638 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE)
1640 spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE
1641 $(call if_changed,mkimage)
1644 UBOOT_BINLOAD := u-boot.img
1646 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
1647 UBOOT_BINLOAD := u-boot-with-dtb.bin
1649 UBOOT_BINLOAD := u-boot.bin
1653 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
1656 u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE
1657 $(call if_changed,pad_cat)
1659 # PPC4xx needs the SPL at the end of the image, since the reset vector
1660 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
1661 # and need to introduce a new build target with the full blown U-Boot
1662 # at the start padded up to the start of the SPL image. And then concat
1663 # the SPL image to the end.
1665 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \
1666 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff
1667 u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE
1668 $(call if_changed,pad_cat)
1670 quiet_cmd_u-boot-elf ?= LD $@
1671 cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \
1672 -T u-boot-elf.lds --defsym=$(CONFIG_PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \
1673 -Ttext=$(CONFIG_SYS_TEXT_BASE)
1674 u-boot.elf: u-boot.bin u-boot-elf.lds
1675 $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o
1676 $(call if_changed,u-boot-elf)
1678 u-boot-elf.lds: arch/u-boot-elf.lds prepare FORCE
1679 $(call if_changed_dep,cpp_lds)
1681 # MediaTek's ARM-based u-boot needs a header to contains its load address
1682 # which is parsed by the BootROM.
1683 # If the SPL build is enabled, the header will be added to the spl binary,
1684 # and the spl binary and the u-boot.img will be combined into one file.
1685 # Otherwise the header will be added to the u-boot.bin directly.
1687 ifeq ($(CONFIG_SPL),y)
1688 spl/u-boot-spl-mtk.bin: spl/u-boot-spl
1690 u-boot-mtk.bin: u-boot-with-spl.bin
1691 $(call if_changed,copy)
1693 MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \
1694 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \
1695 -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
1697 u-boot-mtk.bin: u-boot.bin FORCE
1698 $(call if_changed,mkimage)
1701 quiet_cmd_endian_swap = SWAP $@
1702 cmd_endian_swap = $(srctree)/tools/endian-swap.py $< $@
1704 u-boot-swap.bin: u-boot.bin FORCE
1705 $(call if_changed,endian_swap)
1707 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink)
1709 # Rule to link u-boot
1710 # May be overridden by arch/$(ARCH)/config.mk
1711 quiet_cmd_u-boot__ ?= LD $@
1712 cmd_u-boot__ ?= $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_u-boot) -o $@ \
1713 -T u-boot.lds $(u-boot-init) \
1714 --start-group $(u-boot-main) --end-group \
1715 $(PLATFORM_LIBS) -Map u-boot.map; \
1716 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
1718 quiet_cmd_smap = GEN common/system_map.o
1720 smap=`$(call SYSTEM_MAP,u-boot) | \
1721 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
1722 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
1723 -c $(srctree)/common/system_map.c -o common/system_map.o
1725 u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE
1726 +$(call if_changed,u-boot__)
1727 ifeq ($(CONFIG_KALLSYMS),y)
1729 $(call cmd,u-boot__) common/system_map.o
1732 ifeq ($(CONFIG_RISCV),y)
1733 @tools/prelink-riscv $@ 0
1736 quiet_cmd_sym ?= SYM $@
1737 cmd_sym ?= $(OBJDUMP) -t $< > $@
1738 u-boot.sym: u-boot FORCE
1739 $(call if_changed,sym)
1741 # The actual objects are generated when descending,
1742 # make sure no implicit rule kicks in
1743 $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ;
1745 # Handle descending into subdirectories listed in $(u-boot-dirs)
1746 # Preset locale variables to speed up the build process. Limit locale
1747 # tweaks to this spot to avoid wrong language settings when running
1748 # make menuconfig etc.
1749 # Error messages still appears in the original language
1751 PHONY += $(u-boot-dirs)
1752 $(u-boot-dirs): prepare scripts
1753 $(Q)$(MAKE) $(build)=$@
1756 # The "tools" are needed early
1757 $(filter-out tools, $(u-boot-dirs)): tools
1758 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
1759 # is "yes"), so compile examples after U-Boot is compiled.
1760 examples: $(filter-out examples, $(u-boot-dirs))
1762 define filechk_uboot.release
1763 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1766 # Store (new) UBOOTRELEASE string in include/config/uboot.release
1767 include/config/uboot.release: include/config/auto.conf FORCE
1768 $(call filechk,uboot.release)
1771 # Things we need to do before we recursively start building the kernel
1772 # or the modules are listed in "prepare".
1773 # A multi level approach is used. prepareN is processed before prepareN-1.
1774 # archprepare is used in arch Makefiles and when processed asm symlink,
1775 # version.h and scripts_basic is processed / created.
1777 # Listed in dependency order
1778 PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
1780 # prepare3 is used to check if we are building in a separate output directory,
1782 # 1) Check that make has not been executed in the kernel src $(srctree)
1783 prepare3: include/config/uboot.release
1784 ifneq ($(KBUILD_SRC),)
1785 @$(kecho) ' Using $(srctree) as source for U-Boot'
1786 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
1787 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \
1788 echo >&2 " in the '$(srctree)' directory.";\
1793 # prepare2 creates a makefile if using a separate output directory
1794 prepare2: prepare3 outputmakefile cfg
1796 prepare1: prepare2 $(version_h) $(timestamp_h) $(dt_h) \
1797 include/config/auto.conf
1798 ifeq ($(wildcard $(LDSCRIPT)),)
1799 @echo >&2 " Could not find linker script."
1803 ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y)
1804 prepare1: $(defaultenv_h)
1807 archprepare: prepare1 scripts_basic
1809 prepare0: archprepare FORCE
1810 $(Q)$(MAKE) $(build)=.
1812 # All the preparing..
1815 # Generate some files
1816 # ---------------------------------------------------------------------------
1818 # Use sed to remove leading zeros from PATCHLEVEL to avoid using octal numbers
1819 define filechk_version.h
1820 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
1821 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
1822 echo \#define U_BOOT_VERSION_NUM $(VERSION); \
1823 echo \#define U_BOOT_VERSION_NUM_PATCH $$(echo $(PATCHLEVEL) | \
1824 sed -e "s/^0*//"); \
1825 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \
1826 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; )
1829 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date.
1830 # The BSD date on the other hand behaves different and would produce errors
1831 # with the misused '-d' switch. Respect that and search a working date with
1832 # well known pre- and suffixes for the GNU variant of date.
1833 define filechk_timestamp.h
1834 (if test -n "$${SOURCE_DATE_EPOCH}"; then \
1835 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \
1837 for date in gdate date.gnu date; do \
1838 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \
1840 if test -n "$${DATE}"; then \
1841 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
1842 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
1843 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
1844 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
1845 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
1846 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_EPOCH %s'; \
1851 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
1852 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \
1853 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \
1854 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
1855 LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
1856 LC_ALL=C date +'#define U_BOOT_EPOCH %s'; \
1860 define filechk_defaultenv.h
1861 ( { grep -v '^#' | grep -v '^$$' || true ; echo '' ; } | \
1863 sed -e 's/\\\x0\s*//g' | \
1868 (if test -n "$${DEVICE_TREE}"; then \
1869 echo \#define DEVICE_TREE \"$(DEVICE_TREE)\"; \
1871 echo \#define DEVICE_TREE CONFIG_DEFAULT_DEVICE_TREE; \
1875 $(version_h): include/config/uboot.release FORCE
1876 $(call filechk,version.h)
1878 $(timestamp_h): $(srctree)/Makefile FORCE
1879 $(call filechk,timestamp.h)
1881 $(dt_h): $(srctree)/Makefile FORCE
1882 $(call filechk,dt.h)
1884 $(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE
1885 $(call filechk,defaultenv.h)
1887 # ---------------------------------------------------------------------------
1888 quiet_cmd_cpp_lds = LDS $@
1889 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \
1890 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
1892 u-boot.lds: $(LDSCRIPT) prepare FORCE
1893 $(call if_changed_dep,cpp_lds)
1895 spl/u-boot-spl.bin: spl/u-boot-spl
1899 spl/u-boot-spl-dtb.bin: spl/u-boot-spl
1902 spl/u-boot-spl-dtb.hex: spl/u-boot-spl
1905 spl/u-boot-spl: tools prepare \
1906 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \
1907 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb)
1908 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all
1910 spl/sunxi-spl.bin: spl/u-boot-spl
1913 spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin
1916 spl/u-boot-spl.sfp: spl/u-boot-spl
1919 spl/boot.bin: spl/u-boot-spl
1922 tpl/u-boot-tpl.bin: tools prepare \
1923 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb)
1924 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all
1927 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include)
1933 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1934 -name '*.[chS]' -print`
1938 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
1939 -name '*.[chS]' -print`
1941 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
1943 @find $(TAG_SUBDIRS) -name '*.[chS]' -type l -print | \
1944 grep -xvf - cscope.files > cscope.files.no-symlinks; \
1945 mv cscope.files.no-symlinks cscope.files
1950 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
1953 @$(call SYSTEM_MAP,$<) > $@
1955 #########################################################################
1957 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
1958 # R_AARCH64_RELATIVE (64-bit).
1959 checkarmreloc: u-boot
1960 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
1961 grep R_A | sort -u`"; \
1962 if test "$$RELOC" != "R_ARM_RELATIVE" -a \
1963 "$$RELOC" != "R_AARCH64_RELATIVE"; then \
1964 echo "$< contains unexpected relocations: $$RELOC"; \
1968 tools/version.h: include/version.h
1969 $(Q)mkdir -p $(dir $@)
1970 $(call if_changed,copy)
1972 envtools: scripts_basic $(version_h) $(timestamp_h) tools/version.h
1973 $(Q)$(MAKE) $(build)=tools/env
1975 tools-only: export TOOLS_ONLY=y
1976 tools-only: scripts_basic $(version_h) $(timestamp_h) tools/version.h
1977 $(Q)$(MAKE) $(build)=tools
1979 tools-all: export HOST_TOOLS_ALL=y
1980 tools-all: envtools tools ;
1982 cross_tools: export CROSS_BUILD_TOOLS=y
1983 cross_tools: tools ;
1987 git log --no-merges U-Boot-1_1_5.. | \
1988 unexpand -a | sed -e 's/\s\s*$$//' > $@
1990 #########################################################################
1993 # Cleaning is done on three levels.
1994 # make clean Delete most generated files
1995 # Leave enough to build external modules
1996 # make mrproper Delete the current configuration, and all generated files
1997 # make distclean Remove editor backup files, patch leftover files and the like
1999 # Directories & files removed with 'make clean'
2000 CLEAN_DIRS += $(MODVERDIR) \
2001 $(foreach d, spl tpl, $(patsubst %,$d/%, \
2002 $(filter-out include, $(shell ls -1 $d 2>/dev/null))))
2004 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h tools/version.h \
2005 boot* u-boot* MLO* SPL System.map fit-dtb.blob* \
2006 u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log \
2007 lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \
2008 idbloader.img flash.bin flash.log defconfig
2010 # Directories & files removed with 'make mrproper'
2011 MRPROPER_DIRS += include/config include/generated spl tpl \
2012 .tmp_objdiff doc/output
2013 MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \
2014 ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
2015 drivers/video/fonts/*.S
2017 # clean - Delete most, but leave enough to build external modules
2019 clean: rm-dirs := $(CLEAN_DIRS)
2020 clean: rm-files := $(CLEAN_FILES)
2022 clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f))
2024 clean-dirs := $(addprefix _clean_, $(clean-dirs))
2026 PHONY += $(clean-dirs) clean archclean
2028 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
2030 clean: $(clean-dirs)
2033 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
2034 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
2035 -o -name '*.ko.*' -o -name '*.su' -o -name '*.pyc' \
2036 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
2037 -o -name '*.lex.c' -o -name '*.tab.[ch]' \
2038 -o -name '*.asn1.[ch]' \
2039 -o -name '*.symtypes' -o -name 'modules.order' \
2040 -o -name modules.builtin -o -name '.tmp_*.o.*' \
2041 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \
2042 -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \
2043 -type f -print | xargs rm -f
2045 # mrproper - Delete all generated files, including .config
2047 mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS))
2048 mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
2049 mrproper-dirs := $(addprefix _mrproper_,scripts)
2051 PHONY += $(mrproper-dirs) mrproper archmrproper
2053 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
2055 mrproper: clean $(mrproper-dirs)
2058 @rm -f arch/*/include/asm/arch
2065 @find $(srctree) $(RCS_FIND_IGNORE) \
2066 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
2067 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
2068 -o -name '.*.rej' -o -name '*%' -o -name 'core' \
2069 -o -name '*.pyc' \) \
2070 -type f -print | xargs rm -f
2071 @rm -f boards.cfg CHANGELOG
2074 F=`basename $(srctree)` ; cd .. ; \
2075 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
2078 @echo 'Cleaning targets:'
2079 @echo ' clean - Remove most generated files but keep the config'
2080 @echo ' mrproper - Remove all generated files + config + various backup files'
2081 @echo ' distclean - mrproper + remove editor backup and patch files'
2083 @echo 'Configuration targets:'
2084 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
2086 @echo 'Test targets:'
2088 @echo ' check - Run all automated tests that use sandbox'
2089 @echo ' qcheck - Run quick automated tests that use sandbox'
2090 @echo ' tcheck - Run quick automated tests on tools'
2092 @echo 'Other generic targets:'
2093 @echo ' all - Build all necessary images depending on configuration'
2094 @echo ' tests - Build U-Boot for sandbox and run tests'
2095 @echo '* u-boot - Build the bare u-boot'
2096 @echo ' dir/ - Build all files in dir and below'
2097 @echo ' dir/file.[oisS] - Build specified target only'
2098 @echo ' dir/file.lst - Build specified mixed source/assembly target only'
2099 @echo ' (requires a recent binutils and recent build (System.map))'
2100 @echo ' tags/ctags - Generate ctags file for editors'
2101 @echo ' etags - Generate etags file for editors'
2102 @echo ' cscope - Generate cscope index'
2103 @echo ' ubootrelease - Output the release version string (use with make -s)'
2104 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)'
2105 @echo " cfg - Don't build, just create the .cfg files"
2106 @echo " envtools - Build only the target-side environment tools"
2108 @echo 'Static analysers'
2109 @echo ' checkstack - Generate a list of stack hogs'
2110 @echo ' coccicheck - Execute static code analysis with Coccinelle'
2112 @echo 'Documentation targets:'
2113 @$(MAKE) -f $(srctree)/doc/Makefile dochelp
2115 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
2116 @echo ' make V=2 [targets] 2 => give reason for rebuild of target'
2117 @echo ' make O=dir [targets] Locate all output files in "dir", including .config'
2118 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
2119 @echo ' make C=2 [targets] Force check of all c source with $$CHECK'
2120 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
2121 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
2122 @echo ' 1: warnings which may be relevant and do not occur too often'
2123 @echo ' 2: warnings which occur quite often but may still be relevant'
2124 @echo ' 3: more obscure warnings, can most likely be ignored'
2125 @echo ' Multiple levels can be combined with W=12 or W=123'
2127 @echo 'Execute "make" or "make all" to build all targets marked with [*] '
2128 @echo 'For further info see the ./README file'
2134 $(srctree)/test/run quick
2137 $(srctree)/test/run tools
2139 # Documentation targets
2140 # ---------------------------------------------------------------------------
2141 DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \
2142 linkcheckdocs dochelp refcheckdocs
2143 PHONY += $(DOC_TARGETS)
2144 $(DOC_TARGETS): scripts_basic FORCE
2145 $(Q)$(MAKE) $(build)=doc $@
2147 endif #ifeq ($(config-targets),1)
2148 endif #ifeq ($(mixed-targets),1)
2150 PHONY += checkstack ubootrelease ubootversion
2153 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \
2154 $(PERL) $(src)/scripts/checkstack.pl $(ARCH)
2157 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
2160 @echo $(UBOOTVERSION)
2163 # ---------------------------------------------------------------------------
2164 # Single targets are compatible with:
2165 # - build with mixed source and output
2166 # - build with separate output dir 'make O=...'
2167 # - external modules
2169 # target-dir => where to store outputfile
2170 # build-dir => directory in kernel source tree to use
2172 ifeq ($(KBUILD_EXTMOD),)
2173 build-dir = $(patsubst %/,%,$(dir $@))
2174 target-dir = $(dir $@)
2176 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
2177 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
2178 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
2181 %.s: %.c prepare scripts FORCE
2182 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2183 %.i: %.c prepare scripts FORCE
2184 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2185 %.o: %.c prepare scripts FORCE
2186 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2187 %.lst: %.c prepare scripts FORCE
2188 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2189 %.s: %.S prepare scripts FORCE
2190 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2191 %.o: %.S prepare scripts FORCE
2192 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2193 %.symtypes: %.c prepare scripts FORCE
2194 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2197 /: prepare scripts FORCE
2199 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
2200 $(build)=$(build-dir)
2201 %/: prepare scripts FORCE
2203 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
2204 $(build)=$(build-dir)
2205 %.ko: prepare scripts FORCE
2207 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
2208 $(build)=$(build-dir) $(@:.ko=.o)
2209 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
2211 quiet_cmd_genenv = GENENV $@
2212 cmd_genenv = $(OBJCOPY) --dump-section .rodata.default_environment=$@ env/common.o; \
2213 sed --in-place -e 's/\x00/\x0A/g' $@
2215 u-boot-initial-env: u-boot.bin
2216 $(call if_changed,genenv)
2218 # Consistency checks
2219 # ---------------------------------------------------------------------------
2224 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@
2226 # FIXME Should go into a make.lib or something
2227 # ===========================================================================
2229 quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs)))
2230 cmd_rmdirs = rm -rf $(rm-dirs)
2232 quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)))
2233 cmd_rmfiles = rm -f $(rm-files)
2235 # read all saved command lines
2237 cmd_files := $(wildcard .*.cmd $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd))
2239 ifneq ($(cmd_files),)
2240 $(cmd_files): ; # Do not try to update included dependency files
2241 include $(cmd_files)
2244 endif # skip-makefile
2249 # Declare the contents of the PHONY variable as phony. We keep that
2250 # information in a variable so we can use it in if_changed and friends.