Makefile 55 KB

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  1. #
  2. # SPDX-License-Identifier: GPL-2.0+
  3. #
  4. VERSION = 2017
  5. PATCHLEVEL = 09
  6. SUBLEVEL =
  7. EXTRAVERSION = -rc2
  8. NAME =
  9. # *DOCUMENTATION*
  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.
  14. # o Do not use make's built-in rules and variables
  15. # (this increases performance and avoids hard-to-debug behaviour);
  16. # o Look for make include files relative to root of kernel src
  17. MAKEFLAGS += -rR --include-dir=$(CURDIR)
  18. # Avoid funny character set dependencies
  19. unexport LC_ALL
  20. LC_COLLATE=C
  21. LC_NUMERIC=C
  22. export LC_COLLATE LC_NUMERIC
  23. # Avoid interference with shell env settings
  24. unexport GREP_OPTIONS
  25. # We are using a recursive build, so we need to do a little thinking
  26. # to get the ordering right.
  27. #
  28. # Most importantly: sub-Makefiles should only ever modify files in
  29. # their own directory. If in some directory we have a dependency on
  30. # a file in another dir (which doesn't happen often, but it's often
  31. # unavoidable when linking the built-in.o targets which finally
  32. # turn into vmlinux), we will call a sub make in that other dir, and
  33. # after that we are sure that everything which is in that other dir
  34. # is now up to date.
  35. #
  36. # The only cases where we need to modify files which have global
  37. # effects are thus separated out and done before the recursive
  38. # descending is started. They are now explicitly listed as the
  39. # prepare rule.
  40. # Beautify output
  41. # ---------------------------------------------------------------------------
  42. #
  43. # Normally, we echo the whole command before executing it. By making
  44. # that echo $($(quiet)$(cmd)), we now have the possibility to set
  45. # $(quiet) to choose other forms of output instead, e.g.
  46. #
  47. # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
  48. # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
  49. #
  50. # If $(quiet) is empty, the whole command will be printed.
  51. # If it is set to "quiet_", only the short version will be printed.
  52. # If it is set to "silent_", nothing will be printed at all, since
  53. # the variable $(silent_cmd_cc_o_c) doesn't exist.
  54. #
  55. # A simple variant is to prefix commands with $(Q) - that's useful
  56. # for commands that shall be hidden in non-verbose mode.
  57. #
  58. # $(Q)ln $@ :<
  59. #
  60. # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
  61. # If KBUILD_VERBOSE equals 1 then the above command is displayed.
  62. #
  63. # To put more focus on warnings, be less verbose as default
  64. # Use 'make V=1' to see the full commands
  65. ifeq ("$(origin V)", "command line")
  66. KBUILD_VERBOSE = $(V)
  67. endif
  68. ifndef KBUILD_VERBOSE
  69. KBUILD_VERBOSE = 0
  70. endif
  71. ifeq ($(KBUILD_VERBOSE),1)
  72. quiet =
  73. Q =
  74. else
  75. quiet=quiet_
  76. Q = @
  77. endif
  78. # If the user is running make -s (silent mode), suppress echoing of
  79. # commands
  80. ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4
  81. ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
  82. quiet=silent_
  83. endif
  84. else # make-3.8x
  85. ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
  86. quiet=silent_
  87. endif
  88. endif
  89. export quiet Q KBUILD_VERBOSE
  90. # kbuild supports saving output files in a separate directory.
  91. # To locate output files in a separate directory two syntaxes are supported.
  92. # In both cases the working directory must be the root of the kernel src.
  93. # 1) O=
  94. # Use "make O=dir/to/store/output/files/"
  95. #
  96. # 2) Set KBUILD_OUTPUT
  97. # Set the environment variable KBUILD_OUTPUT to point to the directory
  98. # where the output files shall be placed.
  99. # export KBUILD_OUTPUT=dir/to/store/output/files/
  100. # make
  101. #
  102. # The O= assignment takes precedence over the KBUILD_OUTPUT environment
  103. # variable.
  104. # KBUILD_SRC is set on invocation of make in OBJ directory
  105. # KBUILD_SRC is not intended to be used by the regular user (for now)
  106. ifeq ($(KBUILD_SRC),)
  107. # OK, Make called in directory where kernel src resides
  108. # Do we want to locate output files in a separate directory?
  109. ifeq ("$(origin O)", "command line")
  110. KBUILD_OUTPUT := $(O)
  111. endif
  112. # That's our default target when none is given on the command line
  113. PHONY := _all
  114. _all:
  115. # Cancel implicit rules on top Makefile
  116. $(CURDIR)/Makefile Makefile: ;
  117. ifneq ($(KBUILD_OUTPUT),)
  118. # Invoke a second make in the output directory, passing relevant variables
  119. # check that the output directory actually exists
  120. saved-output := $(KBUILD_OUTPUT)
  121. KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \
  122. && /bin/pwd)
  123. $(if $(KBUILD_OUTPUT),, \
  124. $(error failed to create output directory "$(saved-output)"))
  125. PHONY += $(MAKECMDGOALS) sub-make
  126. $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
  127. @:
  128. sub-make: FORCE
  129. $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \
  130. -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS))
  131. # Leave processing to above invocation of make
  132. skip-makefile := 1
  133. endif # ifneq ($(KBUILD_OUTPUT),)
  134. endif # ifeq ($(KBUILD_SRC),)
  135. # We process the rest of the Makefile if this is the final invocation of make
  136. ifeq ($(skip-makefile),)
  137. # Do not print "Entering directory ...",
  138. # but we want to display it when entering to the output directory
  139. # so that IDEs/editors are able to understand relative filenames.
  140. MAKEFLAGS += --no-print-directory
  141. # Call a source code checker (by default, "sparse") as part of the
  142. # C compilation.
  143. #
  144. # Use 'make C=1' to enable checking of only re-compiled files.
  145. # Use 'make C=2' to enable checking of *all* source files, regardless
  146. # of whether they are re-compiled or not.
  147. #
  148. # See the file "Documentation/sparse.txt" for more details, including
  149. # where to get the "sparse" utility.
  150. ifeq ("$(origin C)", "command line")
  151. KBUILD_CHECKSRC = $(C)
  152. endif
  153. ifndef KBUILD_CHECKSRC
  154. KBUILD_CHECKSRC = 0
  155. endif
  156. # Use make M=dir to specify directory of external module to build
  157. # Old syntax make ... SUBDIRS=$PWD is still supported
  158. # Setting the environment variable KBUILD_EXTMOD take precedence
  159. ifdef SUBDIRS
  160. KBUILD_EXTMOD ?= $(SUBDIRS)
  161. endif
  162. ifeq ("$(origin M)", "command line")
  163. KBUILD_EXTMOD := $(M)
  164. endif
  165. # If building an external module we do not care about the all: rule
  166. # but instead _all depend on modules
  167. PHONY += all
  168. ifeq ($(KBUILD_EXTMOD),)
  169. _all: all
  170. else
  171. _all: modules
  172. endif
  173. ifeq ($(KBUILD_SRC),)
  174. # building in the source tree
  175. srctree := .
  176. else
  177. ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR)))
  178. # building in a subdirectory of the source tree
  179. srctree := ..
  180. else
  181. srctree := $(KBUILD_SRC)
  182. endif
  183. endif
  184. objtree := .
  185. src := $(srctree)
  186. obj := $(objtree)
  187. VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
  188. export srctree objtree VPATH
  189. # Make sure CDPATH settings don't interfere
  190. unexport CDPATH
  191. #########################################################################
  192. HOSTARCH := $(shell uname -m | \
  193. sed -e s/i.86/x86/ \
  194. -e s/sun4u/sparc64/ \
  195. -e s/arm.*/arm/ \
  196. -e s/sa110/arm/ \
  197. -e s/ppc64/powerpc/ \
  198. -e s/ppc/powerpc/ \
  199. -e s/macppc/powerpc/\
  200. -e s/sh.*/sh/)
  201. HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
  202. sed -e 's/\(cygwin\).*/cygwin/')
  203. export HOSTARCH HOSTOS
  204. #########################################################################
  205. # set default to nothing for native builds
  206. ifeq ($(HOSTARCH),$(ARCH))
  207. CROSS_COMPILE ?=
  208. endif
  209. KCONFIG_CONFIG ?= .config
  210. export KCONFIG_CONFIG
  211. # SHELL used by kbuild
  212. CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
  213. else if [ -x /bin/bash ]; then echo /bin/bash; \
  214. else echo sh; fi ; fi)
  215. HOSTCC = cc
  216. HOSTCXX = c++
  217. HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
  218. $(if $(CONFIG_TOOLS_DEBUG),-g)
  219. HOSTCXXFLAGS = -O2
  220. ifeq ($(HOSTOS),cygwin)
  221. HOSTCFLAGS += -ansi
  222. endif
  223. # Mac OS X / Darwin's C preprocessor is Apple specific. It
  224. # generates numerous errors and warnings. We want to bypass it
  225. # and use GNU C's cpp. To do this we pass the -traditional-cpp
  226. # option to the compiler. Note that the -traditional-cpp flag
  227. # DOES NOT have the same semantics as GNU C's flag, all it does
  228. # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
  229. #
  230. # Apple's linker is similar, thanks to the new 2 stage linking
  231. # multiple symbol definitions are treated as errors, hence the
  232. # -multiply_defined suppress option to turn off this error.
  233. #
  234. ifeq ($(HOSTOS),darwin)
  235. # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
  236. DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
  237. DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
  238. os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
  239. $(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")
  244. # since Lion (10.7) ASLR is on by default, but we use linker generated lists
  245. # in some host tools which is a problem then ... so disable ASLR for these
  246. # tools
  247. HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie")
  248. endif
  249. # Decide whether to build built-in, modular, or both.
  250. # Normally, just do built-in.
  251. KBUILD_MODULES :=
  252. KBUILD_BUILTIN := 1
  253. # If we have only "make modules", don't compile built-in objects.
  254. # When we're building modules with modversions, we need to consider
  255. # the built-in objects during the descend as well, in order to
  256. # make sure the checksums are up to date before we record them.
  257. ifeq ($(MAKECMDGOALS),modules)
  258. KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
  259. endif
  260. # If we have "make <whatever> modules", compile modules
  261. # in addition to whatever we do anyway.
  262. # Just "make" or "make all" shall build modules as well
  263. # U-Boot does not need modules
  264. #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
  265. # KBUILD_MODULES := 1
  266. #endif
  267. #ifeq ($(MAKECMDGOALS),)
  268. # KBUILD_MODULES := 1
  269. #endif
  270. export KBUILD_MODULES KBUILD_BUILTIN
  271. export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
  272. # We need some generic definitions (do not try to remake the file).
  273. scripts/Kbuild.include: ;
  274. include scripts/Kbuild.include
  275. # Make variables (CC, etc...)
  276. AS = $(CROSS_COMPILE)as
  277. # Always use GNU ld
  278. ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),)
  279. LD = $(CROSS_COMPILE)ld.bfd
  280. else
  281. LD = $(CROSS_COMPILE)ld
  282. endif
  283. CC = $(CROSS_COMPILE)gcc
  284. CPP = $(CC) -E
  285. AR = $(CROSS_COMPILE)ar
  286. NM = $(CROSS_COMPILE)nm
  287. LDR = $(CROSS_COMPILE)ldr
  288. STRIP = $(CROSS_COMPILE)strip
  289. OBJCOPY = $(CROSS_COMPILE)objcopy
  290. OBJDUMP = $(CROSS_COMPILE)objdump
  291. AWK = awk
  292. PERL = perl
  293. PYTHON ?= python
  294. DTC ?= dtc
  295. CHECK = sparse
  296. CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
  297. -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
  298. KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__
  299. KBUILD_CFLAGS := -Wall -Wstrict-prototypes \
  300. -Wno-format-security \
  301. -fno-builtin -ffreestanding
  302. KBUILD_AFLAGS := -D__ASSEMBLY__
  303. # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
  304. UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
  305. UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
  306. export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
  307. export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
  308. export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
  309. export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
  310. export MAKE AWK PERL PYTHON
  311. export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
  312. export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
  313. export KBUILD_CFLAGS KBUILD_AFLAGS
  314. # When compiling out-of-tree modules, put MODVERDIR in the module
  315. # tree rather than in the kernel tree. The kernel tree might
  316. # even be read-only.
  317. export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions
  318. # Files to ignore in find ... statements
  319. export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \
  320. -name CVS -o -name .pc -o -name .hg -o -name .git \) \
  321. -prune -o
  322. export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
  323. --exclude CVS --exclude .pc --exclude .hg --exclude .git
  324. # ===========================================================================
  325. # Rules shared between *config targets and build targets
  326. # Basic helpers built in scripts/
  327. PHONY += scripts_basic
  328. scripts_basic:
  329. $(Q)$(MAKE) $(build)=scripts/basic
  330. $(Q)rm -f .tmp_quiet_recordmcount
  331. # To avoid any implicit rule to kick in, define an empty command.
  332. scripts/basic/%: scripts_basic ;
  333. PHONY += outputmakefile
  334. # outputmakefile generates a Makefile in the output directory, if using a
  335. # separate output directory. This allows convenient use of make in the
  336. # output directory.
  337. outputmakefile:
  338. ifneq ($(KBUILD_SRC),)
  339. $(Q)ln -fsn $(srctree) source
  340. $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
  341. $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
  342. endif
  343. # To make sure we do not include .config for any of the *config targets
  344. # catch them early, and hand them over to scripts/kconfig/Makefile
  345. # It is allowed to specify more targets when calling make, including
  346. # mixing *config targets and build targets.
  347. # For example 'make oldconfig all'.
  348. # Detect when mixed targets is specified, and make a second invocation
  349. # of make so .config is not included in this case either (for *config).
  350. version_h := include/generated/version_autogenerated.h
  351. timestamp_h := include/generated/timestamp_autogenerated.h
  352. no-dot-config-targets := clean clobber mrproper distclean \
  353. help %docs check% coccicheck \
  354. ubootversion backup tests
  355. config-targets := 0
  356. mixed-targets := 0
  357. dot-config := 1
  358. ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
  359. ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
  360. dot-config := 0
  361. endif
  362. endif
  363. ifeq ($(KBUILD_EXTMOD),)
  364. ifneq ($(filter config %config,$(MAKECMDGOALS)),)
  365. config-targets := 1
  366. ifneq ($(words $(MAKECMDGOALS)),1)
  367. mixed-targets := 1
  368. endif
  369. endif
  370. endif
  371. ifeq ($(mixed-targets),1)
  372. # ===========================================================================
  373. # We're called with mixed targets (*config and build targets).
  374. # Handle them one by one.
  375. PHONY += $(MAKECMDGOALS) __build_one_by_one
  376. $(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one
  377. @:
  378. __build_one_by_one:
  379. $(Q)set -e; \
  380. for i in $(MAKECMDGOALS); do \
  381. $(MAKE) -f $(srctree)/Makefile $$i; \
  382. done
  383. else
  384. ifeq ($(config-targets),1)
  385. # ===========================================================================
  386. # *config targets only - make sure prerequisites are updated, and descend
  387. # in scripts/kconfig to make the *config target
  388. KBUILD_DEFCONFIG := sandbox_defconfig
  389. export KBUILD_DEFCONFIG KBUILD_KCONFIG
  390. config: scripts_basic outputmakefile FORCE
  391. $(Q)$(MAKE) $(build)=scripts/kconfig $@
  392. %config: scripts_basic outputmakefile FORCE
  393. $(Q)$(MAKE) $(build)=scripts/kconfig $@
  394. else
  395. # ===========================================================================
  396. # Build targets only - this includes vmlinux, arch specific targets, clean
  397. # targets and others. In general all targets except *config targets.
  398. # Additional helpers built in scripts/
  399. # Carefully list dependencies so we do not try to build scripts twice
  400. # in parallel
  401. PHONY += scripts
  402. scripts: scripts_basic include/config/auto.conf
  403. $(Q)$(MAKE) $(build)=$(@)
  404. ifeq ($(dot-config),1)
  405. # Read in config
  406. -include include/config/auto.conf
  407. # Read in dependencies to all Kconfig* files, make sure to run
  408. # oldconfig if changes are detected.
  409. -include include/config/auto.conf.cmd
  410. # To avoid any implicit rule to kick in, define an empty command
  411. $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
  412. # If .config is newer than include/config/auto.conf, someone tinkered
  413. # with it and forgot to run make oldconfig.
  414. # if auto.conf.cmd is missing then we are probably in a cleaned tree so
  415. # we execute the config step to be sure to catch updated Kconfig files
  416. include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
  417. $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
  418. @# If the following part fails, include/config/auto.conf should be
  419. @# deleted so "make silentoldconfig" will be re-run on the next build.
  420. $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \
  421. { rm -f include/config/auto.conf; false; }
  422. @# include/config.h has been updated after "make silentoldconfig".
  423. @# We need to touch include/config/auto.conf so it gets newer
  424. @# than include/config.h.
  425. @# Otherwise, 'make silentoldconfig' would be invoked twice.
  426. $(Q)touch include/config/auto.conf
  427. u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg: include/config.h FORCE
  428. $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@)
  429. -include include/autoconf.mk
  430. -include include/autoconf.mk.dep
  431. # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
  432. # is up-to-date. When we switch to a different board configuration, old CONFIG
  433. # macros are still remaining in include/config/auto.conf. Without the following
  434. # gimmick, wrong config.mk would be included leading nasty warnings/errors.
  435. ifneq ($(wildcard $(KCONFIG_CONFIG)),)
  436. ifneq ($(wildcard include/config/auto.conf),)
  437. autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \
  438. include/config/auto.conf)
  439. ifeq ($(autoconf_is_old),)
  440. include config.mk
  441. include arch/$(ARCH)/Makefile
  442. endif
  443. endif
  444. endif
  445. # These are set by the arch-specific config.mk. Make sure they are exported
  446. # so they can be used when building an EFI application.
  447. export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib
  448. export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib
  449. export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib
  450. export CFLAGS_EFI # Compiler flags to add when building EFI app
  451. export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app
  452. export EFI_TARGET # binutils target if EFI is natively supported
  453. # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
  454. # that (or fail if absent). Otherwise, search for a linker script in a
  455. # standard location.
  456. ifndef LDSCRIPT
  457. #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
  458. ifdef CONFIG_SYS_LDSCRIPT
  459. # need to strip off double quotes
  460. LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%)
  461. endif
  462. endif
  463. # If there is no specified link script, we look in a number of places for it
  464. ifndef LDSCRIPT
  465. ifeq ($(wildcard $(LDSCRIPT)),)
  466. LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds
  467. endif
  468. ifeq ($(wildcard $(LDSCRIPT)),)
  469. LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds
  470. endif
  471. ifeq ($(wildcard $(LDSCRIPT)),)
  472. LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds
  473. endif
  474. endif
  475. else
  476. # Dummy target needed, because used as prerequisite
  477. include/config/auto.conf: ;
  478. endif # $(dot-config)
  479. #
  480. # Xtensa linker script cannot be preprocessed with -ansi because of
  481. # preprocessor operations on strings that don't make C identifiers.
  482. #
  483. ifeq ($(CONFIG_XTENSA),)
  484. LDPPFLAGS += -ansi
  485. endif
  486. ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
  487. KBUILD_CFLAGS += -Os
  488. else
  489. KBUILD_CFLAGS += -O2
  490. endif
  491. KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
  492. KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks)
  493. KBUILD_CFLAGS += -g
  494. # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
  495. # option to the assembler.
  496. KBUILD_AFLAGS += -g
  497. # Report stack usage if supported
  498. ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
  499. KBUILD_CFLAGS += -fstack-usage
  500. endif
  501. KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
  502. # turn jbsr into jsr for m68k
  503. ifeq ($(ARCH),m68k)
  504. ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
  505. KBUILD_AFLAGS += -Wa,-gstabs,-S
  506. endif
  507. endif
  508. # Prohibit date/time macros, which would make the build non-deterministic
  509. KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)
  510. include scripts/Makefile.extrawarn
  511. # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
  512. KBUILD_CPPFLAGS += $(KCPPFLAGS)
  513. KBUILD_AFLAGS += $(KAFLAGS)
  514. KBUILD_CFLAGS += $(KCFLAGS)
  515. # Use UBOOTINCLUDE when you must reference the include/ directory.
  516. # Needed to be compatible with the O= option
  517. UBOOTINCLUDE := \
  518. -Iinclude \
  519. $(if $(KBUILD_SRC), -I$(srctree)/include) \
  520. $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \
  521. $(if $(CONFIG_HAS_THUMB2),, \
  522. -I$(srctree)/arch/$(ARCH)/thumb1/include),) \
  523. -I$(srctree)/arch/$(ARCH)/include \
  524. -include $(srctree)/include/linux/kconfig.h
  525. NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
  526. CHECKFLAGS += $(NOSTDINC_FLAGS)
  527. # FIX ME
  528. cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  529. $(NOSTDINC_FLAGS)
  530. c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
  531. #########################################################################
  532. # U-Boot objects....order is important (i.e. start must be first)
  533. HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  534. libs-y += lib/
  535. libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  536. libs-$(CONFIG_OF_EMBED) += dts/
  537. libs-y += fs/
  538. libs-y += net/
  539. libs-y += disk/
  540. libs-y += drivers/
  541. libs-y += drivers/dma/
  542. libs-y += drivers/gpio/
  543. libs-y += drivers/i2c/
  544. libs-y += drivers/mtd/
  545. libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
  546. libs-y += drivers/mtd/onenand/
  547. libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
  548. libs-y += drivers/mtd/spi/
  549. libs-y += drivers/net/
  550. libs-y += drivers/net/phy/
  551. libs-y += drivers/pci/
  552. libs-y += drivers/power/ \
  553. drivers/power/domain/ \
  554. drivers/power/fuel_gauge/ \
  555. drivers/power/mfd/ \
  556. drivers/power/pmic/ \
  557. drivers/power/battery/ \
  558. drivers/power/regulator/
  559. libs-y += drivers/spi/
  560. libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/
  561. libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
  562. libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/
  563. libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/
  564. libs-y += drivers/serial/
  565. libs-y += drivers/usb/dwc3/
  566. libs-y += drivers/usb/common/
  567. libs-y += drivers/usb/emul/
  568. libs-y += drivers/usb/eth/
  569. libs-y += drivers/usb/gadget/
  570. libs-y += drivers/usb/gadget/udc/
  571. libs-y += drivers/usb/host/
  572. libs-y += drivers/usb/musb/
  573. libs-y += drivers/usb/musb-new/
  574. libs-y += drivers/usb/phy/
  575. libs-y += drivers/usb/ulpi/
  576. libs-y += cmd/
  577. libs-y += common/
  578. libs-y += env/
  579. libs-$(CONFIG_API) += api/
  580. libs-$(CONFIG_HAS_POST) += post/
  581. libs-y += test/
  582. libs-y += test/dm/
  583. libs-$(CONFIG_UT_ENV) += test/env/
  584. libs-$(CONFIG_UT_OVERLAY) += test/overlay/
  585. libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  586. libs-y := $(sort $(libs-y))
  587. u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples
  588. u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-))))
  589. libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
  590. u-boot-init := $(head-y)
  591. u-boot-main := $(libs-y)
  592. # Add GCC lib
  593. ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
  594. PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
  595. else
  596. PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
  597. endif
  598. PLATFORM_LIBS += $(PLATFORM_LIBGCC)
  599. export PLATFORM_LIBS
  600. export PLATFORM_LIBGCC
  601. # Special flags for CPP when processing the linker script.
  602. # Pass the version down so we can handle backwards compatibility
  603. # on the fly.
  604. LDPPFLAGS += \
  605. -include $(srctree)/include/u-boot/u-boot.lds.h \
  606. -DCPUDIR=$(CPUDIR) \
  607. $(shell $(LD) --version | \
  608. sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
  609. #########################################################################
  610. #########################################################################
  611. ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
  612. BOARD_SIZE_CHECK = \
  613. @actual=`wc -c $@ | awk '{print $$1}'`; \
  614. limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
  615. if test $$actual -gt $$limit; then \
  616. echo "$@ exceeds file size limit:" >&2 ; \
  617. echo " limit: $$limit bytes" >&2 ; \
  618. echo " actual: $$actual bytes" >&2 ; \
  619. echo " excess: $$((actual - limit)) bytes" >&2; \
  620. exit 1; \
  621. fi
  622. else
  623. BOARD_SIZE_CHECK =
  624. endif
  625. # Statically apply RELA-style relocations (currently arm64 only)
  626. # This is useful for arm64 where static relocation needs to be performed on
  627. # the raw binary, but certain simulators only accept an ELF file (but don't
  628. # do the relocation).
  629. ifneq ($(CONFIG_STATIC_RELA),)
  630. # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
  631. DO_STATIC_RELA = \
  632. start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \
  633. end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \
  634. tools/relocate-rela $(2) $(3) $$start $$end
  635. else
  636. DO_STATIC_RELA =
  637. endif
  638. # Always append ALL so that arch config.mk's can add custom ones
  639. ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check
  640. ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
  641. ifeq ($(CONFIG_SPL_FSL_PBL),y)
  642. ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin
  643. else
  644. ifneq ($(CONFIG_SECURE_BOOT), y)
  645. # For Secure Boot The Image needs to be signed and Header must also
  646. # be included. So The image has to be built explicitly
  647. ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl
  648. endif
  649. endif
  650. ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin
  651. ifeq ($(CONFIG_MX6)$(CONFIG_SECURE_BOOT), yy)
  652. ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
  653. else
  654. ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
  655. endif
  656. ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
  657. ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb
  658. ifeq ($(CONFIG_SPL_FRAMEWORK),y)
  659. ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img
  660. endif
  661. ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb
  662. ifneq ($(CONFIG_SPL_TARGET),)
  663. ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
  664. endif
  665. ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
  666. ALL-$(CONFIG_EFI_APP) += u-boot-app.efi
  667. ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi
  668. ifneq ($(BUILD_ROM),)
  669. ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
  670. endif
  671. # enable combined SPL/u-boot/dtb rules for tegra
  672. ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy)
  673. ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin
  674. ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin
  675. endif
  676. # Add optional build target if defined in board/cpu/soc headers
  677. ifneq ($(CONFIG_BUILD_TARGET),)
  678. ALL-y += $(CONFIG_BUILD_TARGET:"%"=%)
  679. endif
  680. LDFLAGS_u-boot += $(LDFLAGS_FINAL)
  681. # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
  682. LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
  683. ifneq ($(CONFIG_SYS_TEXT_BASE),)
  684. LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
  685. endif
  686. # Normally we fill empty space with 0xff
  687. quiet_cmd_objcopy = OBJCOPY $@
  688. cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \
  689. $(OBJCOPYFLAGS_$(@F)) $< $@
  690. # Provide a version which does not do this, for use by EFI
  691. quiet_cmd_zobjcopy = OBJCOPY $@
  692. cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
  693. quiet_cmd_efipayload = OBJCOPY $@
  694. cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@
  695. MKIMAGEOUTPUT ?= /dev/null
  696. quiet_cmd_mkimage = MKIMAGE $@
  697. cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
  698. $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
  699. quiet_cmd_mkfitimage = MKIMAGE $@
  700. cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -E $@ \
  701. $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
  702. quiet_cmd_cat = CAT $@
  703. cmd_cat = cat $(filter-out $(PHONY), $^) > $@
  704. append = cat $(filter-out $< $(PHONY), $^) >> $@
  705. quiet_cmd_pad_cat = CAT $@
  706. cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@
  707. cfg: u-boot.cfg
  708. quiet_cmd_cfgcheck = CFGCHK $2
  709. cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \
  710. $(srctree)/scripts/config_whitelist.txt $(srctree)
  711. all: $(ALL-y) cfg
  712. ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y)
  713. @echo "===================== WARNING ======================"
  714. @echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove"
  715. @echo "(possibly in a subsequent patch in your series)"
  716. @echo "before sending patches to the mailing list."
  717. @echo "===================================================="
  718. endif
  719. @# Check that this build does not use CONFIG options that we do not
  720. @# know about unless they are in Kconfig. All the existing CONFIG
  721. @# options are whitelisted, so new ones should not be added.
  722. $(call cmd,cfgcheck,u-boot.cfg)
  723. PHONY += dtbs
  724. dtbs: dts/dt.dtb
  725. @:
  726. dts/dt.dtb: checkdtc u-boot
  727. $(Q)$(MAKE) $(build)=dts dtbs
  728. quiet_cmd_copy = COPY $@
  729. cmd_copy = cp $< $@
  730. ifeq ($(CONFIG_FIT_EMBED),y)
  731. fit-dtb.blob: dts/dt.dtb FORCE
  732. $(call if_changed,mkimage)
  733. MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
  734. -a 0 -e 0 -E \
  735. $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null
  736. u-boot-fit-dtb.bin: u-boot-nodtb.bin fit-dtb.blob
  737. $(call if_changed,cat)
  738. u-boot.bin: u-boot-fit-dtb.bin FORCE
  739. $(call if_changed,copy)
  740. else ifeq ($(CONFIG_OF_SEPARATE),y)
  741. u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
  742. $(call if_changed,cat)
  743. u-boot.bin: u-boot-dtb.bin FORCE
  744. $(call if_changed,copy)
  745. else
  746. u-boot.bin: u-boot-nodtb.bin FORCE
  747. $(call if_changed,copy)
  748. endif
  749. %.imx: %.bin
  750. $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
  751. %.vyb: %.imx
  752. $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
  753. quiet_cmd_copy = COPY $@
  754. cmd_copy = cp $< $@
  755. u-boot.dtb: dts/dt.dtb
  756. $(call cmd,copy)
  757. OBJCOPYFLAGS_u-boot.hex := -O ihex
  758. OBJCOPYFLAGS_u-boot.srec := -O srec
  759. u-boot.hex u-boot.srec: u-boot FORCE
  760. $(call if_changed,objcopy)
  761. OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
  762. $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec)
  763. binary_size_check: u-boot-nodtb.bin FORCE
  764. @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \
  765. map_size=$(shell cat u-boot.map | \
  766. awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \
  767. | sed 's/0X//g' \
  768. | bc); \
  769. if [ "" != "$$map_size" ]; then \
  770. if test $$map_size -ne $$file_size; then \
  771. echo "u-boot.map shows a binary size of $$map_size" >&2 ; \
  772. echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \
  773. exit 1; \
  774. fi \
  775. fi
  776. u-boot-nodtb.bin: u-boot FORCE
  777. $(call if_changed,objcopy)
  778. $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
  779. $(BOARD_SIZE_CHECK)
  780. u-boot.ldr: u-boot
  781. $(CREATE_LDR_ENV)
  782. $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS)
  783. $(BOARD_SIZE_CHECK)
  784. # binman
  785. # ---------------------------------------------------------------------------
  786. quiet_cmd_binman = BINMAN $@
  787. cmd_binman = $(srctree)/tools/binman/binman -d u-boot.dtb -O . \
  788. -I . -I $(srctree)/board/$(BOARDDIR) $<
  789. OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
  790. OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
  791. u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
  792. $(call if_changed,objcopy)
  793. #
  794. # U-Boot entry point, needed for booting of full-blown U-Boot
  795. # from the SPL U-Boot version.
  796. #
  797. ifndef CONFIG_SYS_UBOOT_START
  798. CONFIG_SYS_UBOOT_START := 0
  799. endif
  800. # Create a file containing the configuration options the image was built with
  801. quiet_cmd_cpp_cfg = CFG $@
  802. cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
  803. -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $<
  804. # Boards with more complex image requirments can provide an .its source file
  805. # or a generator script
  806. ifneq ($(CONFIG_SPL_FIT_SOURCE),"")
  807. U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE))
  808. else
  809. ifneq ($(CONFIG_SPL_FIT_GENERATOR),"")
  810. U_BOOT_ITS := u-boot.its
  811. $(U_BOOT_ITS): FORCE
  812. $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \
  813. $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@
  814. endif
  815. endif
  816. ifdef CONFIG_SPL_LOAD_FIT
  817. MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
  818. -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
  819. -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \
  820. $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST)))
  821. else
  822. MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
  823. -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
  824. -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
  825. MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \
  826. -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
  827. -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
  828. u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log
  829. CLEAN_FILES += u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log
  830. endif
  831. MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img)
  832. MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \
  833. -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE)
  834. MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \
  835. -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \
  836. $(if $(KEYDIR),-k $(KEYDIR))
  837. MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
  838. -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage
  839. u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \
  840. $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin dts/dt.dtb,u-boot.bin) FORCE
  841. $(call if_changed,mkimage)
  842. u-boot.itb: u-boot-nodtb.bin dts/dt.dtb $(U_BOOT_ITS) FORCE
  843. $(call if_changed,mkfitimage)
  844. u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE
  845. $(call if_changed,mkimage)
  846. u-boot.sha1: u-boot.bin
  847. tools/ubsha1 u-boot.bin
  848. u-boot.dis: u-boot
  849. $(OBJDUMP) -d $< > $@
  850. ifdef CONFIG_TPL
  851. SPL_PAYLOAD := tpl/u-boot-with-tpl.bin
  852. else
  853. SPL_PAYLOAD := u-boot.bin
  854. endif
  855. OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \
  856. --pad-to=$(CONFIG_SPL_PAD_TO)
  857. u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE
  858. $(call if_changed,pad_cat)
  859. MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE)
  860. lpc32xx-spl.img: spl/u-boot-spl.bin FORCE
  861. $(call if_changed,mkimage)
  862. OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
  863. lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE
  864. $(call if_changed,objcopy)
  865. OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
  866. lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE
  867. $(call if_changed,objcopy)
  868. lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE
  869. $(call if_changed,cat)
  870. CLEAN_FILES += lpc32xx-*
  871. OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \
  872. --pad-to=$(CONFIG_TPL_PAD_TO)
  873. tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
  874. $(call if_changed,pad_cat)
  875. SPL: spl/u-boot-spl.bin FORCE
  876. $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
  877. u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE
  878. $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
  879. MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE)
  880. u-boot.ubl: u-boot-with-spl.bin FORCE
  881. $(call if_changed,mkimage)
  882. MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \
  883. $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \
  884. -T aisimage -e $(CONFIG_SPL_TEXT_BASE)
  885. spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE
  886. $(call if_changed,mkimage)
  887. OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
  888. u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE
  889. $(call if_changed,pad_cat)
  890. u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin
  891. $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb
  892. u-boot.sb: u-boot.bin spl/u-boot-spl.bin
  893. $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb
  894. # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
  895. # Both images are created using mkimage (crc etc), so that the ROM
  896. # bootloader can check its integrity. Padding needs to be done to the
  897. # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
  898. # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
  899. # The resulting image containing both U-Boot images is called u-boot.spr
  900. MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \
  901. -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER
  902. spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE
  903. $(call if_changed,mkimage)
  904. OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
  905. --gap-fill=0xff
  906. u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE
  907. $(call if_changed,pad_cat)
  908. ifneq ($(CONFIG_ARCH_SOCFPGA),)
  909. quiet_cmd_socboot = SOCBOOT $@
  910. cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \
  911. spl/u-boot-spl.sfp spl/u-boot-spl.sfp \
  912. u-boot.img > $@ || rm -f $@
  913. u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE
  914. $(call if_changed,socboot)
  915. endif
  916. # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including
  917. # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in
  918. # the middle. This is handled by binman based on an image description in the
  919. # board's device tree.
  920. ifneq ($(CONFIG_X86_RESET_VECTOR),)
  921. rom: u-boot.rom FORCE
  922. refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE
  923. $(call if_changed,copy)
  924. quiet_cmd_ldr = LD $@
  925. cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \
  926. $(filter-out FORCE,$^) -o $@
  927. u-boot.rom: u-boot-x86-16bit.bin u-boot.bin \
  928. $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \
  929. $(if $(CONFIG_HAVE_REFCODE),refcode.bin) checkbinman FORCE
  930. $(call if_changed,binman)
  931. OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec
  932. u-boot-x86-16bit.bin: u-boot FORCE
  933. $(call if_changed,objcopy)
  934. endif
  935. ifneq ($(CONFIG_ARCH_SUNXI),)
  936. u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb \
  937. checkbinman FORCE
  938. $(call if_changed,binman)
  939. endif
  940. ifneq ($(CONFIG_TEGRA),)
  941. OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
  942. u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE
  943. $(call if_changed,pad_cat)
  944. OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
  945. u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE
  946. $(call if_changed,pad_cat)
  947. u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE
  948. $(call if_changed,copy)
  949. endif
  950. OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI)
  951. u-boot-app.efi: u-boot FORCE
  952. $(call if_changed,zobjcopy)
  953. u-boot.bin.o: u-boot.bin FORCE
  954. $(call if_changed,efipayload)
  955. u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE
  956. $(call if_changed_dep,cpp_lds)
  957. # Rule to link the EFI payload which contains a stub and a U-Boot binary
  958. quiet_cmd_u-boot_payload ?= LD $@
  959. cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \
  960. -T u-boot-payload.lds arch/x86/cpu/call32.o \
  961. lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \
  962. $(addprefix arch/$(ARCH)/lib/,$(EFISTUB))
  963. u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE
  964. $(call if_changed,u-boot_payload)
  965. OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI)
  966. u-boot-payload.efi: u-boot-payload FORCE
  967. $(call if_changed,zobjcopy)
  968. u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
  969. $(call if_changed,cat)
  970. #Add a target to create boot binary having SPL binary in PBI format
  971. #concatenated with u-boot binary. It is need by PowerPC SoC having
  972. #internal SRAM <= 512KB.
  973. MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
  974. -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \
  975. -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE)
  976. spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE
  977. $(call if_changed,mkimage)
  978. ifeq ($(ARCH),arm)
  979. UBOOT_BINLOAD := u-boot.img
  980. else
  981. UBOOT_BINLOAD := u-boot.bin
  982. endif
  983. OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
  984. --gap-fill=0xff
  985. u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE
  986. $(call if_changed,pad_cat)
  987. # PPC4xx needs the SPL at the end of the image, since the reset vector
  988. # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
  989. # and need to introduce a new build target with the full blown U-Boot
  990. # at the start padded up to the start of the SPL image. And then concat
  991. # the SPL image to the end.
  992. OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \
  993. --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff
  994. u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE
  995. $(call if_changed,pad_cat)
  996. # Create a new ELF from a raw binary file.
  997. ifndef PLATFORM_ELFENTRY
  998. PLATFORM_ELFENTRY = "_start"
  999. endif
  1000. quiet_cmd_u-boot-elf ?= LD $@
  1001. cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \
  1002. --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \
  1003. -Ttext=$(CONFIG_SYS_TEXT_BASE)
  1004. u-boot.elf: u-boot.bin
  1005. $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o
  1006. $(call if_changed,u-boot-elf)
  1007. ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink)
  1008. # Rule to link u-boot
  1009. # May be overridden by arch/$(ARCH)/config.mk
  1010. quiet_cmd_u-boot__ ?= LD $@
  1011. cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \
  1012. -T u-boot.lds $(u-boot-init) \
  1013. --start-group $(u-boot-main) --end-group \
  1014. $(PLATFORM_LIBS) -Map u-boot.map; \
  1015. $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
  1016. quiet_cmd_smap = GEN common/system_map.o
  1017. cmd_smap = \
  1018. smap=`$(call SYSTEM_MAP,u-boot) | \
  1019. awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
  1020. $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
  1021. -c $(srctree)/common/system_map.c -o common/system_map.o
  1022. u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE
  1023. +$(call if_changed,u-boot__)
  1024. ifeq ($(CONFIG_KALLSYMS),y)
  1025. $(call cmd,smap)
  1026. $(call cmd,u-boot__) common/system_map.o
  1027. endif
  1028. quiet_cmd_sym ?= SYM $@
  1029. cmd_sym ?= $(OBJDUMP) -t $< > $@
  1030. u-boot.sym: u-boot FORCE
  1031. $(call if_changed,sym)
  1032. # The actual objects are generated when descending,
  1033. # make sure no implicit rule kicks in
  1034. $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ;
  1035. # Handle descending into subdirectories listed in $(vmlinux-dirs)
  1036. # Preset locale variables to speed up the build process. Limit locale
  1037. # tweaks to this spot to avoid wrong language settings when running
  1038. # make menuconfig etc.
  1039. # Error messages still appears in the original language
  1040. PHONY += $(u-boot-dirs)
  1041. $(u-boot-dirs): prepare scripts
  1042. $(Q)$(MAKE) $(build)=$@
  1043. tools: prepare
  1044. # The "tools" are needed early
  1045. $(filter-out tools, $(u-boot-dirs)): tools
  1046. # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
  1047. # is "yes"), so compile examples after U-Boot is compiled.
  1048. examples: $(filter-out examples, $(u-boot-dirs))
  1049. define filechk_uboot.release
  1050. echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
  1051. endef
  1052. # Store (new) UBOOTRELEASE string in include/config/uboot.release
  1053. include/config/uboot.release: include/config/auto.conf FORCE
  1054. $(call filechk,uboot.release)
  1055. # Things we need to do before we recursively start building the kernel
  1056. # or the modules are listed in "prepare".
  1057. # A multi level approach is used. prepareN is processed before prepareN-1.
  1058. # archprepare is used in arch Makefiles and when processed asm symlink,
  1059. # version.h and scripts_basic is processed / created.
  1060. # Listed in dependency order
  1061. PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
  1062. # prepare3 is used to check if we are building in a separate output directory,
  1063. # and if so do:
  1064. # 1) Check that make has not been executed in the kernel src $(srctree)
  1065. prepare3: include/config/uboot.release
  1066. ifneq ($(KBUILD_SRC),)
  1067. @$(kecho) ' Using $(srctree) as source for U-Boot'
  1068. $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
  1069. echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \
  1070. echo >&2 " in the '$(srctree)' directory.";\
  1071. /bin/false; \
  1072. fi;
  1073. endif
  1074. # prepare2 creates a makefile if using a separate output directory
  1075. prepare2: prepare3 outputmakefile
  1076. prepare1: prepare2 $(version_h) $(timestamp_h) \
  1077. include/config/auto.conf
  1078. ifeq ($(wildcard $(LDSCRIPT)),)
  1079. @echo >&2 " Could not find linker script."
  1080. @/bin/false
  1081. endif
  1082. archprepare: prepare1 scripts_basic
  1083. prepare0: archprepare FORCE
  1084. $(Q)$(MAKE) $(build)=.
  1085. # All the preparing..
  1086. prepare: prepare0
  1087. # Generate some files
  1088. # ---------------------------------------------------------------------------
  1089. define filechk_version.h
  1090. (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
  1091. echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
  1092. echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \
  1093. echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; )
  1094. endef
  1095. # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date.
  1096. # The BSD date on the other hand behaves different and would produce errors
  1097. # with the misused '-d' switch. Respect that and search a working date with
  1098. # well known pre- and suffixes for the GNU variant of date.
  1099. define filechk_timestamp.h
  1100. (if test -n "$${SOURCE_DATE_EPOCH}"; then \
  1101. SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \
  1102. DATE=""; \
  1103. for date in gdate date.gnu date; do \
  1104. $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \
  1105. done; \
  1106. if test -n "$${DATE}"; then \
  1107. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
  1108. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
  1109. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
  1110. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
  1111. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
  1112. else \
  1113. return 42; \
  1114. fi; \
  1115. else \
  1116. LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
  1117. LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \
  1118. LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \
  1119. LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
  1120. LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
  1121. fi)
  1122. endef
  1123. $(version_h): include/config/uboot.release FORCE
  1124. $(call filechk,version.h)
  1125. $(timestamp_h): $(srctree)/Makefile FORCE
  1126. $(call filechk,timestamp.h)
  1127. checkbinman: tools
  1128. @if ! ( echo 'import libfdt' | ( PYTHONPATH=tools $(PYTHON) )); then \
  1129. echo >&2; \
  1130. echo >&2 '*** binman needs the Python libfdt library.'; \
  1131. echo >&2 '*** Either install it on your system, or try:'; \
  1132. echo >&2 '***'; \
  1133. echo >&2 '*** sudo apt-get install swig libpython-dev'; \
  1134. echo >&2 '***'; \
  1135. echo >&2 '*** to have U-Boot build its own version.'; \
  1136. false; \
  1137. fi
  1138. # ---------------------------------------------------------------------------
  1139. quiet_cmd_cpp_lds = LDS $@
  1140. cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \
  1141. -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
  1142. u-boot.lds: $(LDSCRIPT) prepare FORCE
  1143. $(call if_changed_dep,cpp_lds)
  1144. spl/u-boot-spl.bin: spl/u-boot-spl
  1145. @:
  1146. spl/u-boot-spl: tools prepare \
  1147. $(if $(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \
  1148. $(if $(CONFIG_OF_SEPARATE)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb)
  1149. $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all
  1150. spl/sunxi-spl.bin: spl/u-boot-spl
  1151. @:
  1152. spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin
  1153. @:
  1154. spl/u-boot-spl.sfp: spl/u-boot-spl
  1155. @:
  1156. spl/boot.bin: spl/u-boot-spl
  1157. @:
  1158. tpl/u-boot-tpl.bin: tools prepare \
  1159. $(if $(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb)
  1160. $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all
  1161. TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include)
  1162. FIND := find
  1163. FINDFLAGS := -L
  1164. tags ctags:
  1165. ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
  1166. -name '*.[chS]' -print`
  1167. ln -s ctags tags
  1168. etags:
  1169. etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
  1170. -name '*.[chS]' -print`
  1171. cscope:
  1172. $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
  1173. cscope.files
  1174. cscope -b -q -k
  1175. SYSTEM_MAP = \
  1176. $(NM) $1 | \
  1177. grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
  1178. LC_ALL=C sort
  1179. System.map: u-boot
  1180. @$(call SYSTEM_MAP,$<) > $@
  1181. checkdtc:
  1182. @if test $(call dtc-version) -lt 0104; then \
  1183. echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
  1184. false; \
  1185. fi
  1186. #########################################################################
  1187. # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
  1188. # R_AARCH64_RELATIVE (64-bit).
  1189. checkarmreloc: u-boot
  1190. @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
  1191. grep R_A | sort -u`"; \
  1192. if test "$$RELOC" != "R_ARM_RELATIVE" -a \
  1193. "$$RELOC" != "R_AARCH64_RELATIVE"; then \
  1194. echo "$< contains unexpected relocations: $$RELOC"; \
  1195. false; \
  1196. fi
  1197. environ: scripts_basic
  1198. $(Q)$(MAKE) $(build)=tools/$@
  1199. tools-only: scripts_basic $(version_h) $(timestamp_h)
  1200. $(Q)$(MAKE) $(build)=tools
  1201. tools-all: export HOST_TOOLS_ALL=y
  1202. tools-all: environ tools ;
  1203. cross_tools: export CROSS_BUILD_TOOLS=y
  1204. cross_tools: tools ;
  1205. .PHONY : CHANGELOG
  1206. CHANGELOG:
  1207. git log --no-merges U-Boot-1_1_5.. | \
  1208. unexpand -a | sed -e 's/\s\s*$$//' > $@
  1209. #########################################################################
  1210. ###
  1211. # Cleaning is done on three levels.
  1212. # make clean Delete most generated files
  1213. # Leave enough to build external modules
  1214. # make mrproper Delete the current configuration, and all generated files
  1215. # make distclean Remove editor backup files, patch leftover files and the like
  1216. # Directories & files removed with 'make clean'
  1217. CLEAN_DIRS += $(MODVERDIR) \
  1218. $(foreach d, spl tpl, $(patsubst %,$d/%, \
  1219. $(filter-out include, $(shell ls -1 $d 2>/dev/null))))
  1220. CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \
  1221. boot* u-boot* MLO* SPL System.map fit-dtb.blob
  1222. # Directories & files removed with 'make mrproper'
  1223. MRPROPER_DIRS += include/config include/generated spl tpl \
  1224. .tmp_objdiff
  1225. MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \
  1226. ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
  1227. # clean - Delete most, but leave enough to build external modules
  1228. #
  1229. clean: rm-dirs := $(CLEAN_DIRS)
  1230. clean: rm-files := $(CLEAN_FILES)
  1231. clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f))
  1232. clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook)
  1233. PHONY += $(clean-dirs) clean archclean
  1234. $(clean-dirs):
  1235. $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
  1236. # TODO: Do not use *.cfgtmp
  1237. clean: $(clean-dirs)
  1238. $(call cmd,rmdirs)
  1239. $(call cmd,rmfiles)
  1240. @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
  1241. \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
  1242. -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \
  1243. -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
  1244. -o -name '*.symtypes' -o -name 'modules.order' \
  1245. -o -name modules.builtin -o -name '.tmp_*.o.*' \
  1246. -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \
  1247. -o -name '*.gcno' \) -type f -print | xargs rm -f
  1248. # mrproper - Delete all generated files, including .config
  1249. #
  1250. mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS))
  1251. mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
  1252. mrproper-dirs := $(addprefix _mrproper_,scripts)
  1253. PHONY += $(mrproper-dirs) mrproper archmrproper
  1254. $(mrproper-dirs):
  1255. $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
  1256. mrproper: clean $(mrproper-dirs)
  1257. $(call cmd,rmdirs)
  1258. $(call cmd,rmfiles)
  1259. @rm -f arch/*/include/asm/arch
  1260. # distclean
  1261. #
  1262. PHONY += distclean
  1263. distclean: mrproper
  1264. @find $(srctree) $(RCS_FIND_IGNORE) \
  1265. \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
  1266. -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
  1267. -o -name '.*.rej' -o -name '*%' -o -name 'core' \
  1268. -o -name '*.pyc' \) \
  1269. -type f -print | xargs rm -f
  1270. @rm -f boards.cfg
  1271. backup:
  1272. F=`basename $(srctree)` ; cd .. ; \
  1273. gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
  1274. help:
  1275. @echo 'Cleaning targets:'
  1276. @echo ' clean - Remove most generated files but keep the config'
  1277. @echo ' mrproper - Remove all generated files + config + various backup files'
  1278. @echo ' distclean - mrproper + remove editor backup and patch files'
  1279. @echo ''
  1280. @echo 'Configuration targets:'
  1281. @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
  1282. @echo ''
  1283. @echo 'Other generic targets:'
  1284. @echo ' all - Build all necessary images depending on configuration'
  1285. @echo ' tests - Build U-Boot for sandbox and run tests'
  1286. @echo '* u-boot - Build the bare u-boot'
  1287. @echo ' dir/ - Build all files in dir and below'
  1288. @echo ' dir/file.[oisS] - Build specified target only'
  1289. @echo ' dir/file.lst - Build specified mixed source/assembly target only'
  1290. @echo ' (requires a recent binutils and recent build (System.map))'
  1291. @echo ' tags/ctags - Generate ctags file for editors'
  1292. @echo ' etags - Generate etags file for editors'
  1293. @echo ' cscope - Generate cscope index'
  1294. @echo ' ubootrelease - Output the release version string (use with make -s)'
  1295. @echo ' ubootversion - Output the version stored in Makefile (use with make -s)'
  1296. @echo " cfg - Don't build, just create the .cfg files"
  1297. @echo ''
  1298. @echo 'Static analysers'
  1299. @echo ' checkstack - Generate a list of stack hogs'
  1300. @echo ''
  1301. @echo 'Documentation targets:'
  1302. @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp
  1303. @echo ''
  1304. @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
  1305. @echo ' make V=2 [targets] 2 => give reason for rebuild of target'
  1306. @echo ' make O=dir [targets] Locate all output files in "dir", including .config'
  1307. @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
  1308. @echo ' make C=2 [targets] Force check of all c source with $$CHECK'
  1309. @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
  1310. @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
  1311. @echo ' 1: warnings which may be relevant and do not occur too often'
  1312. @echo ' 2: warnings which occur quite often but may still be relevant'
  1313. @echo ' 3: more obscure warnings, can most likely be ignored'
  1314. @echo ' Multiple levels can be combined with W=12 or W=123'
  1315. @echo ''
  1316. @echo 'Execute "make" or "make all" to build all targets marked with [*] '
  1317. @echo 'For further info see the ./README file'
  1318. tests:
  1319. $(srctree)/test/run
  1320. # Documentation targets
  1321. # ---------------------------------------------------------------------------
  1322. %docs: scripts_basic FORCE
  1323. $(Q)$(MAKE) $(build)=scripts build_docproc
  1324. $(Q)$(MAKE) $(build)=doc/DocBook $@
  1325. endif #ifeq ($(config-targets),1)
  1326. endif #ifeq ($(mixed-targets),1)
  1327. PHONY += checkstack ubootrelease ubootversion
  1328. checkstack:
  1329. $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \
  1330. $(PERL) $(src)/scripts/checkstack.pl $(ARCH)
  1331. ubootrelease:
  1332. @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
  1333. ubootversion:
  1334. @echo $(UBOOTVERSION)
  1335. # Single targets
  1336. # ---------------------------------------------------------------------------
  1337. # Single targets are compatible with:
  1338. # - build with mixed source and output
  1339. # - build with separate output dir 'make O=...'
  1340. # - external modules
  1341. #
  1342. # target-dir => where to store outputfile
  1343. # build-dir => directory in kernel source tree to use
  1344. ifeq ($(KBUILD_EXTMOD),)
  1345. build-dir = $(patsubst %/,%,$(dir $@))
  1346. target-dir = $(dir $@)
  1347. else
  1348. zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
  1349. build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
  1350. target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
  1351. endif
  1352. %.s: %.c prepare scripts FORCE
  1353. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1354. %.i: %.c prepare scripts FORCE
  1355. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1356. %.o: %.c prepare scripts FORCE
  1357. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1358. %.lst: %.c prepare scripts FORCE
  1359. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1360. %.s: %.S prepare scripts FORCE
  1361. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1362. %.o: %.S prepare scripts FORCE
  1363. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1364. %.symtypes: %.c prepare scripts FORCE
  1365. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1366. # Modules
  1367. /: prepare scripts FORCE
  1368. $(cmd_crmodverdir)
  1369. $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
  1370. $(build)=$(build-dir)
  1371. %/: prepare scripts FORCE
  1372. $(cmd_crmodverdir)
  1373. $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
  1374. $(build)=$(build-dir)
  1375. %.ko: prepare scripts FORCE
  1376. $(cmd_crmodverdir)
  1377. $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
  1378. $(build)=$(build-dir) $(@:.ko=.o)
  1379. $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
  1380. # FIXME Should go into a make.lib or something
  1381. # ===========================================================================
  1382. quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs)))
  1383. cmd_rmdirs = rm -rf $(rm-dirs)
  1384. quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)))
  1385. cmd_rmfiles = rm -f $(rm-files)
  1386. # read all saved command lines
  1387. targets := $(wildcard $(sort $(targets)))
  1388. cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
  1389. ifneq ($(cmd_files),)
  1390. $(cmd_files): ; # Do not try to update included dependency files
  1391. include $(cmd_files)
  1392. endif
  1393. endif # skip-makefile
  1394. PHONY += FORCE
  1395. FORCE:
  1396. # Declare the contents of the .PHONY variable as phony. We keep that
  1397. # information in a variable so we can use it in if_changed and friends.
  1398. .PHONY: $(PHONY)