Makefile 72 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631163216331634163516361637163816391640164116421643164416451646164716481649165016511652165316541655165616571658165916601661166216631664166516661667166816691670167116721673167416751676167716781679168016811682168316841685168616871688168916901691169216931694169516961697169816991700170117021703170417051706170717081709171017111712171317141715171617171718171917201721172217231724172517261727172817291730173117321733173417351736173717381739174017411742174317441745174617471748174917501751175217531754175517561757175817591760176117621763176417651766176717681769177017711772177317741775177617771778177917801781178217831784178517861787178817891790179117921793179417951796179717981799180018011802180318041805180618071808180918101811181218131814181518161817181818191820182118221823182418251826182718281829183018311832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862186318641865186618671868186918701871187218731874187518761877187818791880188118821883188418851886188718881889189018911892189318941895189618971898189919001901190219031904190519061907190819091910191119121913191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027202820292030203120322033203420352036203720382039204020412042204320442045204620472048204920502051205220532054205520562057205820592060206120622063206420652066206720682069207020712072207320742075207620772078207920802081208220832084208520862087208820892090209120922093209420952096209720982099210021012102210321042105210621072108210921102111211221132114211521162117211821192120212121222123212421252126212721282129213021312132213321342135213621372138213921402141214221432144214521462147214821492150215121522153215421552156215721582159216021612162216321642165216621672168216921702171217221732174
  1. # SPDX-License-Identifier: GPL-2.0+
  2. VERSION = 2020
  3. PATCHLEVEL = 01
  4. SUBLEVEL =
  5. EXTRAVERSION = -rc4
  6. NAME =
  7. # *DOCUMENTATION*
  8. # To see a list of typical targets execute "make help"
  9. # More info can be located in ./README
  10. # Comments in this file are targeted only to the developer, do not
  11. # expect to learn how to build the kernel reading this file.
  12. # o Do not use make's built-in rules and variables
  13. # (this increases performance and avoids hard-to-debug behaviour);
  14. # o Look for make include files relative to root of kernel src
  15. MAKEFLAGS += -rR --include-dir=$(CURDIR)
  16. # Determine host architecture
  17. include include/host_arch.h
  18. MK_ARCH="${shell uname -m}"
  19. unexport HOST_ARCH
  20. ifeq ("x86_64", $(MK_ARCH))
  21. export HOST_ARCH=$(HOST_ARCH_X86_64)
  22. else ifneq (,$(findstring $(MK_ARCH), "i386" "i486" "i586" "i686"))
  23. export HOST_ARCH=$(HOST_ARCH_X86)
  24. else ifneq (,$(findstring $(MK_ARCH), "aarch64" "armv8l"))
  25. export HOST_ARCH=$(HOST_ARCH_AARCH64)
  26. else ifeq ("armv7l", $(MK_ARCH))
  27. export HOST_ARCH=$(HOST_ARCH_ARM)
  28. else ifeq ("riscv32", $(MK_ARCH))
  29. export HOST_ARCH=$(HOST_ARCH_RISCV32)
  30. else ifeq ("riscv64", $(MK_ARCH))
  31. export HOST_ARCH=$(HOST_ARCH_RISCV64)
  32. endif
  33. undefine MK_ARCH
  34. # Avoid funny character set dependencies
  35. unexport LC_ALL
  36. LC_COLLATE=C
  37. LC_NUMERIC=C
  38. export LC_COLLATE LC_NUMERIC
  39. # Avoid interference with shell env settings
  40. unexport GREP_OPTIONS
  41. # We are using a recursive build, so we need to do a little thinking
  42. # to get the ordering right.
  43. #
  44. # Most importantly: sub-Makefiles should only ever modify files in
  45. # their own directory. If in some directory we have a dependency on
  46. # a file in another dir (which doesn't happen often, but it's often
  47. # unavoidable when linking the built-in.o targets which finally
  48. # turn into vmlinux), we will call a sub make in that other dir, and
  49. # after that we are sure that everything which is in that other dir
  50. # is now up to date.
  51. #
  52. # The only cases where we need to modify files which have global
  53. # effects are thus separated out and done before the recursive
  54. # descending is started. They are now explicitly listed as the
  55. # prepare rule.
  56. # Beautify output
  57. # ---------------------------------------------------------------------------
  58. #
  59. # Normally, we echo the whole command before executing it. By making
  60. # that echo $($(quiet)$(cmd)), we now have the possibility to set
  61. # $(quiet) to choose other forms of output instead, e.g.
  62. #
  63. # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
  64. # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
  65. #
  66. # If $(quiet) is empty, the whole command will be printed.
  67. # If it is set to "quiet_", only the short version will be printed.
  68. # If it is set to "silent_", nothing will be printed at all, since
  69. # the variable $(silent_cmd_cc_o_c) doesn't exist.
  70. #
  71. # A simple variant is to prefix commands with $(Q) - that's useful
  72. # for commands that shall be hidden in non-verbose mode.
  73. #
  74. # $(Q)ln $@ :<
  75. #
  76. # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
  77. # If KBUILD_VERBOSE equals 1 then the above command is displayed.
  78. #
  79. # To put more focus on warnings, be less verbose as default
  80. # Use 'make V=1' to see the full commands
  81. ifeq ("$(origin V)", "command line")
  82. KBUILD_VERBOSE = $(V)
  83. endif
  84. ifndef KBUILD_VERBOSE
  85. KBUILD_VERBOSE = 0
  86. endif
  87. ifeq ($(KBUILD_VERBOSE),1)
  88. quiet =
  89. Q =
  90. else
  91. quiet=quiet_
  92. Q = @
  93. endif
  94. # If the user is running make -s (silent mode), suppress echoing of
  95. # commands
  96. ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4
  97. ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
  98. quiet=silent_
  99. endif
  100. else # make-3.8x
  101. ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
  102. quiet=silent_
  103. endif
  104. endif
  105. export quiet Q KBUILD_VERBOSE
  106. # kbuild supports saving output files in a separate directory.
  107. # To locate output files in a separate directory two syntaxes are supported.
  108. # In both cases the working directory must be the root of the kernel src.
  109. # 1) O=
  110. # Use "make O=dir/to/store/output/files/"
  111. #
  112. # 2) Set KBUILD_OUTPUT
  113. # Set the environment variable KBUILD_OUTPUT to point to the directory
  114. # where the output files shall be placed.
  115. # export KBUILD_OUTPUT=dir/to/store/output/files/
  116. # make
  117. #
  118. # The O= assignment takes precedence over the KBUILD_OUTPUT environment
  119. # variable.
  120. # KBUILD_SRC is set on invocation of make in OBJ directory
  121. # KBUILD_SRC is not intended to be used by the regular user (for now)
  122. ifeq ($(KBUILD_SRC),)
  123. # OK, Make called in directory where kernel src resides
  124. # Do we want to locate output files in a separate directory?
  125. ifeq ("$(origin O)", "command line")
  126. KBUILD_OUTPUT := $(O)
  127. endif
  128. # That's our default target when none is given on the command line
  129. PHONY := _all
  130. _all:
  131. # Cancel implicit rules on top Makefile
  132. $(CURDIR)/Makefile Makefile: ;
  133. ifneq ($(KBUILD_OUTPUT),)
  134. # Invoke a second make in the output directory, passing relevant variables
  135. # check that the output directory actually exists
  136. saved-output := $(KBUILD_OUTPUT)
  137. KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \
  138. && /bin/pwd)
  139. $(if $(KBUILD_OUTPUT),, \
  140. $(error failed to create output directory "$(saved-output)"))
  141. PHONY += $(MAKECMDGOALS) sub-make
  142. $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
  143. @:
  144. sub-make: FORCE
  145. $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \
  146. -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS))
  147. # Leave processing to above invocation of make
  148. skip-makefile := 1
  149. endif # ifneq ($(KBUILD_OUTPUT),)
  150. endif # ifeq ($(KBUILD_SRC),)
  151. # We process the rest of the Makefile if this is the final invocation of make
  152. ifeq ($(skip-makefile),)
  153. # Do not print "Entering directory ...",
  154. # but we want to display it when entering to the output directory
  155. # so that IDEs/editors are able to understand relative filenames.
  156. MAKEFLAGS += --no-print-directory
  157. # Call a source code checker (by default, "sparse") as part of the
  158. # C compilation.
  159. #
  160. # Use 'make C=1' to enable checking of only re-compiled files.
  161. # Use 'make C=2' to enable checking of *all* source files, regardless
  162. # of whether they are re-compiled or not.
  163. #
  164. # See the file "doc/sparse.txt" for more details, including
  165. # where to get the "sparse" utility.
  166. ifeq ("$(origin C)", "command line")
  167. KBUILD_CHECKSRC = $(C)
  168. endif
  169. ifndef KBUILD_CHECKSRC
  170. KBUILD_CHECKSRC = 0
  171. endif
  172. # Use make M=dir to specify directory of external module to build
  173. # Old syntax make ... SUBDIRS=$PWD is still supported
  174. # Setting the environment variable KBUILD_EXTMOD take precedence
  175. ifdef SUBDIRS
  176. KBUILD_EXTMOD ?= $(SUBDIRS)
  177. endif
  178. ifeq ("$(origin M)", "command line")
  179. KBUILD_EXTMOD := $(M)
  180. endif
  181. # If building an external module we do not care about the all: rule
  182. # but instead _all depend on modules
  183. PHONY += all
  184. ifeq ($(KBUILD_EXTMOD),)
  185. _all: all
  186. else
  187. _all: modules
  188. endif
  189. ifeq ($(KBUILD_SRC),)
  190. # building in the source tree
  191. srctree := .
  192. else
  193. ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR)))
  194. # building in a subdirectory of the source tree
  195. srctree := ..
  196. else
  197. srctree := $(KBUILD_SRC)
  198. endif
  199. endif
  200. objtree := .
  201. src := $(srctree)
  202. obj := $(objtree)
  203. VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
  204. export srctree objtree VPATH
  205. # Make sure CDPATH settings don't interfere
  206. unexport CDPATH
  207. #########################################################################
  208. HOSTARCH := $(shell uname -m | \
  209. sed -e s/i.86/x86/ \
  210. -e s/sun4u/sparc64/ \
  211. -e s/arm.*/arm/ \
  212. -e s/sa110/arm/ \
  213. -e s/ppc64/powerpc/ \
  214. -e s/ppc/powerpc/ \
  215. -e s/macppc/powerpc/\
  216. -e s/sh.*/sh/)
  217. HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
  218. sed -e 's/\(cygwin\).*/cygwin/')
  219. export HOSTARCH HOSTOS
  220. #########################################################################
  221. # set default to nothing for native builds
  222. ifeq ($(HOSTARCH),$(ARCH))
  223. CROSS_COMPILE ?=
  224. endif
  225. KCONFIG_CONFIG ?= .config
  226. export KCONFIG_CONFIG
  227. # SHELL used by kbuild
  228. CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
  229. else if [ -x /bin/bash ]; then echo /bin/bash; \
  230. else echo sh; fi ; fi)
  231. HOSTCC = cc
  232. HOSTCXX = c++
  233. HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
  234. $(if $(CONFIG_TOOLS_DEBUG),-g)
  235. HOSTCXXFLAGS = -O2
  236. # With the move to GCC 6, we have implicitly upgraded our language
  237. # standard to GNU11 (see https://gcc.gnu.org/gcc-5/porting_to.html).
  238. # Some Linux distributions (including RHEL7, SLES13, Debian 8) still
  239. # have older compilers as their default, so we make it explicit for
  240. # these that our host tools are GNU11 (i.e. C11 w/ GNU extensions).
  241. CSTD_FLAG := -std=gnu11
  242. ifeq ($(HOSTOS),linux)
  243. HOSTCFLAGS += $(CSTD_FLAG)
  244. endif
  245. ifeq ($(HOSTOS),cygwin)
  246. HOSTCFLAGS += -ansi
  247. endif
  248. # Mac OS X / Darwin's C preprocessor is Apple specific. It
  249. # generates numerous errors and warnings. We want to bypass it
  250. # and use GNU C's cpp. To do this we pass the -traditional-cpp
  251. # option to the compiler. Note that the -traditional-cpp flag
  252. # DOES NOT have the same semantics as GNU C's flag, all it does
  253. # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
  254. #
  255. # Apple's linker is similar, thanks to the new 2 stage linking
  256. # multiple symbol definitions are treated as errors, hence the
  257. # -multiply_defined suppress option to turn off this error.
  258. #
  259. ifeq ($(HOSTOS),darwin)
  260. # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
  261. DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
  262. DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
  263. os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
  264. $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
  265. os_x_after = $(shell if [ $(DARWIN_MAJOR_VERSION) -ge $(1) -a \
  266. $(DARWIN_MINOR_VERSION) -ge $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
  267. # Snow Leopards build environment has no longer restrictions as described above
  268. HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
  269. HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
  270. HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
  271. # since Lion (10.7) ASLR is on by default, but we use linker generated lists
  272. # in some host tools which is a problem then ... so disable ASLR for these
  273. # tools
  274. HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie")
  275. # macOS Mojave (10.14.X)
  276. # Undefined symbols for architecture x86_64: "_PyArg_ParseTuple"
  277. HOSTLDFLAGS += $(call os_x_after, 10, 14, "-lpython -dynamclib", "")
  278. endif
  279. # Decide whether to build built-in, modular, or both.
  280. # Normally, just do built-in.
  281. KBUILD_MODULES :=
  282. KBUILD_BUILTIN := 1
  283. # If we have only "make modules", don't compile built-in objects.
  284. # When we're building modules with modversions, we need to consider
  285. # the built-in objects during the descend as well, in order to
  286. # make sure the checksums are up to date before we record them.
  287. ifeq ($(MAKECMDGOALS),modules)
  288. KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
  289. endif
  290. # If we have "make <whatever> modules", compile modules
  291. # in addition to whatever we do anyway.
  292. # Just "make" or "make all" shall build modules as well
  293. # U-Boot does not need modules
  294. #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
  295. # KBUILD_MODULES := 1
  296. #endif
  297. #ifeq ($(MAKECMDGOALS),)
  298. # KBUILD_MODULES := 1
  299. #endif
  300. # Check ths size of a binary:
  301. # Args:
  302. # $1: File to check
  303. # #2: Size limit in bytes (decimal or 0xhex)
  304. define size_check
  305. actual=$$( wc -c $1 | awk '{print $$1}'); \
  306. limit=$$( printf "%d" $2 ); \
  307. if test $$actual -gt $$limit; then \
  308. echo "$1 exceeds file size limit:" >&2; \
  309. echo " limit: $$(printf %#x $$limit) bytes" >&2; \
  310. echo " actual: $$(printf %#x $$actual) bytes" >&2; \
  311. echo " excess: $$(printf %#x $$((actual - limit))) bytes" >&2;\
  312. exit 1; \
  313. fi
  314. endef
  315. export size_check
  316. export KBUILD_MODULES KBUILD_BUILTIN
  317. export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
  318. # We need some generic definitions (do not try to remake the file).
  319. scripts/Kbuild.include: ;
  320. include scripts/Kbuild.include
  321. # Make variables (CC, etc...)
  322. AS = $(CROSS_COMPILE)as
  323. # Always use GNU ld
  324. ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),)
  325. LD = $(CROSS_COMPILE)ld.bfd
  326. else
  327. LD = $(CROSS_COMPILE)ld
  328. endif
  329. CC = $(CROSS_COMPILE)gcc
  330. CPP = $(CC) -E
  331. AR = $(CROSS_COMPILE)ar
  332. NM = $(CROSS_COMPILE)nm
  333. LDR = $(CROSS_COMPILE)ldr
  334. STRIP = $(CROSS_COMPILE)strip
  335. OBJCOPY = $(CROSS_COMPILE)objcopy
  336. OBJDUMP = $(CROSS_COMPILE)objdump
  337. LEX = flex
  338. YACC = bison
  339. AWK = awk
  340. PERL = perl
  341. PYTHON ?= python
  342. PYTHON2 = python2
  343. PYTHON3 = python3
  344. DTC ?= $(objtree)/scripts/dtc/dtc
  345. CHECK = sparse
  346. CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
  347. -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
  348. KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__
  349. KBUILD_CFLAGS := -Wall -Wstrict-prototypes \
  350. -Wno-format-security \
  351. -fno-builtin -ffreestanding $(CSTD_FLAG)
  352. KBUILD_CFLAGS += -fshort-wchar -fno-strict-aliasing
  353. KBUILD_AFLAGS := -D__ASSEMBLY__
  354. # Don't generate position independent code
  355. KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
  356. KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
  357. # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
  358. UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
  359. UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
  360. export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
  361. export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
  362. export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
  363. export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
  364. export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3
  365. export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
  366. export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
  367. export KBUILD_CFLAGS KBUILD_AFLAGS
  368. # When compiling out-of-tree modules, put MODVERDIR in the module
  369. # tree rather than in the kernel tree. The kernel tree might
  370. # even be read-only.
  371. export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions
  372. # Files to ignore in find ... statements
  373. export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \
  374. -name CVS -o -name .pc -o -name .hg -o -name .git \) \
  375. -prune -o
  376. export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
  377. --exclude CVS --exclude .pc --exclude .hg --exclude .git
  378. # ===========================================================================
  379. # Rules shared between *config targets and build targets
  380. # Basic helpers built in scripts/
  381. PHONY += scripts_basic
  382. scripts_basic:
  383. $(Q)$(MAKE) $(build)=scripts/basic
  384. $(Q)rm -f .tmp_quiet_recordmcount
  385. # To avoid any implicit rule to kick in, define an empty command.
  386. scripts/basic/%: scripts_basic ;
  387. PHONY += outputmakefile
  388. # outputmakefile generates a Makefile in the output directory, if using a
  389. # separate output directory. This allows convenient use of make in the
  390. # output directory.
  391. outputmakefile:
  392. ifneq ($(KBUILD_SRC),)
  393. $(Q)ln -fsn $(srctree) source
  394. $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
  395. $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
  396. endif
  397. # To make sure we do not include .config for any of the *config targets
  398. # catch them early, and hand them over to scripts/kconfig/Makefile
  399. # It is allowed to specify more targets when calling make, including
  400. # mixing *config targets and build targets.
  401. # For example 'make oldconfig all'.
  402. # Detect when mixed targets is specified, and make a second invocation
  403. # of make so .config is not included in this case either (for *config).
  404. version_h := include/generated/version_autogenerated.h
  405. timestamp_h := include/generated/timestamp_autogenerated.h
  406. defaultenv_h := include/generated/defaultenv_autogenerated.h
  407. no-dot-config-targets := clean clobber mrproper distclean \
  408. help %docs check% coccicheck \
  409. ubootversion backup tests check qcheck
  410. config-targets := 0
  411. mixed-targets := 0
  412. dot-config := 1
  413. ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
  414. ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
  415. dot-config := 0
  416. endif
  417. endif
  418. ifeq ($(KBUILD_EXTMOD),)
  419. ifneq ($(filter config %config,$(MAKECMDGOALS)),)
  420. config-targets := 1
  421. ifneq ($(words $(MAKECMDGOALS)),1)
  422. mixed-targets := 1
  423. endif
  424. endif
  425. endif
  426. ifeq ($(mixed-targets),1)
  427. # ===========================================================================
  428. # We're called with mixed targets (*config and build targets).
  429. # Handle them one by one.
  430. PHONY += $(MAKECMDGOALS) __build_one_by_one
  431. $(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one
  432. @:
  433. __build_one_by_one:
  434. $(Q)set -e; \
  435. for i in $(MAKECMDGOALS); do \
  436. $(MAKE) -f $(srctree)/Makefile $$i; \
  437. done
  438. else
  439. ifeq ($(config-targets),1)
  440. # ===========================================================================
  441. # *config targets only - make sure prerequisites are updated, and descend
  442. # in scripts/kconfig to make the *config target
  443. KBUILD_DEFCONFIG := sandbox_defconfig
  444. export KBUILD_DEFCONFIG KBUILD_KCONFIG
  445. config: scripts_basic outputmakefile FORCE
  446. $(Q)$(MAKE) $(build)=scripts/kconfig $@
  447. %config: scripts_basic outputmakefile FORCE
  448. $(Q)$(MAKE) $(build)=scripts/kconfig $@
  449. else
  450. # ===========================================================================
  451. # Build targets only - this includes vmlinux, arch specific targets, clean
  452. # targets and others. In general all targets except *config targets.
  453. # Additional helpers built in scripts/
  454. # Carefully list dependencies so we do not try to build scripts twice
  455. # in parallel
  456. PHONY += scripts
  457. scripts: scripts_basic include/config/auto.conf
  458. $(Q)$(MAKE) $(build)=$(@)
  459. ifeq ($(dot-config),1)
  460. # Read in config
  461. -include include/config/auto.conf
  462. # Read in dependencies to all Kconfig* files, make sure to run
  463. # oldconfig if changes are detected.
  464. -include include/config/auto.conf.cmd
  465. # To avoid any implicit rule to kick in, define an empty command
  466. $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
  467. # If .config is newer than include/config/auto.conf, someone tinkered
  468. # with it and forgot to run make oldconfig.
  469. # if auto.conf.cmd is missing then we are probably in a cleaned tree so
  470. # we execute the config step to be sure to catch updated Kconfig files
  471. include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
  472. $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
  473. @# If the following part fails, include/config/auto.conf should be
  474. @# deleted so "make silentoldconfig" will be re-run on the next build.
  475. $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \
  476. { rm -f include/config/auto.conf; false; }
  477. @# include/config.h has been updated after "make silentoldconfig".
  478. @# We need to touch include/config/auto.conf so it gets newer
  479. @# than include/config.h.
  480. @# Otherwise, 'make silentoldconfig' would be invoked twice.
  481. $(Q)touch include/config/auto.conf
  482. u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg:
  483. $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@)
  484. -include include/autoconf.mk
  485. -include include/autoconf.mk.dep
  486. # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
  487. # is up-to-date. When we switch to a different board configuration, old CONFIG
  488. # macros are still remaining in include/config/auto.conf. Without the following
  489. # gimmick, wrong config.mk would be included leading nasty warnings/errors.
  490. ifneq ($(wildcard $(KCONFIG_CONFIG)),)
  491. ifneq ($(wildcard include/config/auto.conf),)
  492. autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \
  493. include/config/auto.conf)
  494. ifeq ($(autoconf_is_old),)
  495. include config.mk
  496. include arch/$(ARCH)/Makefile
  497. endif
  498. endif
  499. endif
  500. # These are set by the arch-specific config.mk. Make sure they are exported
  501. # so they can be used when building an EFI application.
  502. export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib
  503. export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib
  504. export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib
  505. export CFLAGS_EFI # Compiler flags to add when building EFI app
  506. export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app
  507. export EFI_TARGET # binutils target if EFI is natively supported
  508. # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
  509. # that (or fail if absent). Otherwise, search for a linker script in a
  510. # standard location.
  511. ifndef LDSCRIPT
  512. #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
  513. ifdef CONFIG_SYS_LDSCRIPT
  514. # need to strip off double quotes
  515. LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%)
  516. endif
  517. endif
  518. # If there is no specified link script, we look in a number of places for it
  519. ifndef LDSCRIPT
  520. ifeq ($(wildcard $(LDSCRIPT)),)
  521. LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds
  522. endif
  523. ifeq ($(wildcard $(LDSCRIPT)),)
  524. LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds
  525. endif
  526. ifeq ($(wildcard $(LDSCRIPT)),)
  527. LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds
  528. endif
  529. endif
  530. else
  531. # Dummy target needed, because used as prerequisite
  532. include/config/auto.conf: ;
  533. endif # $(dot-config)
  534. #
  535. # Xtensa linker script cannot be preprocessed with -ansi because of
  536. # preprocessor operations on strings that don't make C identifiers.
  537. #
  538. ifeq ($(CONFIG_XTENSA),)
  539. LDPPFLAGS += -ansi
  540. endif
  541. ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
  542. KBUILD_CFLAGS += -Os
  543. else
  544. KBUILD_CFLAGS += -O2
  545. endif
  546. KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
  547. KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks)
  548. # change __FILE__ to the relative path from the srctree
  549. KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
  550. KBUILD_CFLAGS += -g
  551. # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
  552. # option to the assembler.
  553. KBUILD_AFLAGS += -g
  554. # Report stack usage if supported
  555. # ARC tools based on GCC 7.1 has an issue with stack usage
  556. # with naked functions, see commit message for more details
  557. ifndef CONFIG_ARC
  558. ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
  559. KBUILD_CFLAGS += -fstack-usage
  560. endif
  561. endif
  562. KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
  563. ifeq ($(cc-name),clang)
  564. KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
  565. KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
  566. KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
  567. KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
  568. KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
  569. endif
  570. # turn jbsr into jsr for m68k
  571. ifeq ($(ARCH),m68k)
  572. ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
  573. KBUILD_AFLAGS += -Wa,-gstabs,-S
  574. endif
  575. endif
  576. # Prohibit date/time macros, which would make the build non-deterministic
  577. KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)
  578. include scripts/Makefile.extrawarn
  579. # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
  580. KBUILD_CPPFLAGS += $(KCPPFLAGS)
  581. KBUILD_AFLAGS += $(KAFLAGS)
  582. KBUILD_CFLAGS += $(KCFLAGS)
  583. # Use UBOOTINCLUDE when you must reference the include/ directory.
  584. # Needed to be compatible with the O= option
  585. UBOOTINCLUDE := \
  586. -Iinclude \
  587. $(if $(KBUILD_SRC), -I$(srctree)/include) \
  588. $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \
  589. $(if $(CONFIG_HAS_THUMB2),, \
  590. -I$(srctree)/arch/$(ARCH)/thumb1/include),) \
  591. -I$(srctree)/arch/$(ARCH)/include \
  592. -include $(srctree)/include/linux/kconfig.h
  593. NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
  594. CHECKFLAGS += $(NOSTDINC_FLAGS)
  595. # FIX ME
  596. cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
  597. $(NOSTDINC_FLAGS)
  598. c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
  599. #########################################################################
  600. # U-Boot objects....order is important (i.e. start must be first)
  601. HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
  602. libs-y += lib/
  603. libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
  604. libs-$(CONFIG_OF_EMBED) += dts/
  605. libs-y += fs/
  606. libs-y += net/
  607. libs-y += disk/
  608. libs-y += drivers/
  609. libs-y += drivers/dma/
  610. libs-y += drivers/gpio/
  611. libs-y += drivers/i2c/
  612. libs-y += drivers/mtd/
  613. libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/raw/
  614. libs-y += drivers/mtd/onenand/
  615. libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
  616. libs-y += drivers/mtd/spi/
  617. libs-y += drivers/net/
  618. libs-y += drivers/net/phy/
  619. libs-y += drivers/power/ \
  620. drivers/power/domain/ \
  621. drivers/power/fuel_gauge/ \
  622. drivers/power/mfd/ \
  623. drivers/power/pmic/ \
  624. drivers/power/battery/ \
  625. drivers/power/regulator/
  626. libs-y += drivers/spi/
  627. libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/
  628. libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
  629. libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/
  630. libs-$(CONFIG_$(SPL_)ALTERA_SDRAM) += drivers/ddr/altera/
  631. libs-y += drivers/serial/
  632. libs-y += drivers/usb/cdns3/
  633. libs-y += drivers/usb/dwc3/
  634. libs-y += drivers/usb/common/
  635. libs-y += drivers/usb/emul/
  636. libs-y += drivers/usb/eth/
  637. libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/
  638. libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/
  639. libs-y += drivers/usb/host/
  640. libs-y += drivers/usb/musb/
  641. libs-y += drivers/usb/musb-new/
  642. libs-y += drivers/usb/phy/
  643. libs-y += drivers/usb/ulpi/
  644. libs-y += cmd/
  645. libs-y += common/
  646. libs-y += env/
  647. libs-$(CONFIG_API) += api/
  648. libs-$(CONFIG_HAS_POST) += post/
  649. libs-$(CONFIG_UNIT_TEST) += test/ test/dm/
  650. libs-$(CONFIG_UT_ENV) += test/env/
  651. libs-$(CONFIG_UT_OPTEE) += test/optee/
  652. libs-$(CONFIG_UT_OVERLAY) += test/overlay/
  653. libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
  654. libs-y := $(sort $(libs-y))
  655. u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples
  656. u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-))))
  657. libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
  658. u-boot-init := $(head-y)
  659. u-boot-main := $(libs-y)
  660. # Add GCC lib
  661. ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
  662. PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
  663. else
  664. PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
  665. endif
  666. PLATFORM_LIBS += $(PLATFORM_LIBGCC)
  667. ifdef CONFIG_CC_COVERAGE
  668. KBUILD_CFLAGS += --coverage
  669. PLATFORM_LIBGCC += -lgcov
  670. endif
  671. export PLATFORM_LIBS
  672. export PLATFORM_LIBGCC
  673. # Special flags for CPP when processing the linker script.
  674. # Pass the version down so we can handle backwards compatibility
  675. # on the fly.
  676. LDPPFLAGS += \
  677. -include $(srctree)/include/u-boot/u-boot.lds.h \
  678. -DCPUDIR=$(CPUDIR) \
  679. $(shell $(LD) --version | \
  680. sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
  681. #########################################################################
  682. #########################################################################
  683. ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
  684. BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT))
  685. else
  686. BOARD_SIZE_CHECK =
  687. endif
  688. ifneq ($(CONFIG_SPL_SIZE_LIMIT),0)
  689. SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit))
  690. else
  691. SPL_SIZE_CHECK =
  692. endif
  693. ifneq ($(CONFIG_TPL_SIZE_LIMIT),0)
  694. TPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_TPL_SIZE_LIMIT))
  695. else
  696. TPL_SIZE_CHECK =
  697. endif
  698. # Statically apply RELA-style relocations (currently arm64 only)
  699. # This is useful for arm64 where static relocation needs to be performed on
  700. # the raw binary, but certain simulators only accept an ELF file (but don't
  701. # do the relocation).
  702. ifneq ($(CONFIG_STATIC_RELA),)
  703. # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
  704. DO_STATIC_RELA = \
  705. start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \
  706. end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \
  707. tools/relocate-rela $(2) $(3) $$start $$end
  708. else
  709. DO_STATIC_RELA =
  710. endif
  711. # Always append ALL so that arch config.mk's can add custom ones
  712. ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check
  713. ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
  714. ifeq ($(CONFIG_SPL_FSL_PBL),y)
  715. ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin
  716. else
  717. ifneq ($(CONFIG_SECURE_BOOT), y)
  718. # For Secure Boot The Image needs to be signed and Header must also
  719. # be included. So The image has to be built explicitly
  720. ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl
  721. endif
  722. endif
  723. ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin
  724. ifeq ($(CONFIG_MX6)$(CONFIG_IMX_HAB), yy)
  725. ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
  726. else
  727. ifeq ($(CONFIG_MX7)$(CONFIG_IMX_HAB), yy)
  728. ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
  729. else
  730. ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
  731. endif
  732. endif
  733. ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
  734. ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb
  735. ifeq ($(CONFIG_SPL_FRAMEWORK),y)
  736. ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img
  737. endif
  738. ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb
  739. ifneq ($(CONFIG_SPL_TARGET),)
  740. ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
  741. endif
  742. ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
  743. ALL-$(CONFIG_EFI_APP) += u-boot-app.efi
  744. ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi
  745. ifneq ($(BUILD_ROM)$(CONFIG_BUILD_ROM),)
  746. ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
  747. endif
  748. # Build a combined spl + u-boot image for sunxi
  749. ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy)
  750. ALL-y += u-boot-sunxi-with-spl.bin
  751. endif
  752. # enable combined SPL/u-boot/dtb rules for tegra
  753. ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy)
  754. ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin
  755. ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin
  756. endif
  757. ALL-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin
  758. # Add optional build target if defined in board/cpu/soc headers
  759. ifneq ($(CONFIG_BUILD_TARGET),)
  760. ALL-y += $(CONFIG_BUILD_TARGET:"%"=%)
  761. endif
  762. ifdef CONFIG_INIT_SP_RELATIVE
  763. ALL-y += init_sp_bss_offset_check
  764. endif
  765. ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
  766. ALL-y += u-boot-with-dtb.bin
  767. endif
  768. ifeq ($(CONFIG_ARCH_ROCKCHIP)$(CONFIG_SPL)$(CONFIG_TPL),yyy)
  769. ALL-y += idbloader.img
  770. endif
  771. LDFLAGS_u-boot += $(LDFLAGS_FINAL)
  772. # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
  773. LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
  774. ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),)
  775. LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
  776. endif
  777. # Normally we fill empty space with 0xff
  778. quiet_cmd_objcopy = OBJCOPY $@
  779. cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \
  780. $(OBJCOPYFLAGS_$(@F)) $< $@
  781. # Provide a version which does not do this, for use by EFI
  782. quiet_cmd_zobjcopy = OBJCOPY $@
  783. cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
  784. quiet_cmd_efipayload = OBJCOPY $@
  785. cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@
  786. MKIMAGEOUTPUT ?= /dev/null
  787. quiet_cmd_mkimage = MKIMAGE $@
  788. cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
  789. >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
  790. quiet_cmd_mkfitimage = MKIMAGE $@
  791. cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@\
  792. >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
  793. quiet_cmd_cat = CAT $@
  794. cmd_cat = cat $(filter-out $(PHONY), $^) > $@
  795. append = cat $(filter-out $< $(PHONY), $^) >> $@
  796. quiet_cmd_pad_cat = CAT $@
  797. cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@
  798. cfg: u-boot.cfg
  799. quiet_cmd_cfgcheck = CFGCHK $2
  800. cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \
  801. $(srctree)/scripts/config_whitelist.txt $(srctree)
  802. all: $(ALL-y)
  803. ifeq ($(CONFIG_DEPRECATED),y)
  804. $(warning "You have deprecated configuration options enabled in your .config! Please check your configuration.")
  805. ifeq ($(CONFIG_SPI),y)
  806. ifneq ($(CONFIG_DM_SPI)$(CONFIG_OF_CONTROL),yy)
  807. $(warning "The relevant config item with associated code will remove in v2019.07 release.")
  808. endif
  809. endif
  810. endif
  811. ifneq ($(CONFIG_DM),y)
  812. @echo >&2 "===================== WARNING ======================"
  813. @echo >&2 "This board does not use CONFIG_DM. CONFIG_DM will be"
  814. @echo >&2 "compulsory starting with the v2020.01 release."
  815. @echo >&2 "Failure to update may result in board removal."
  816. @echo >&2 "See doc/driver-model/migration.rst for more info."
  817. @echo >&2 "===================================================="
  818. endif
  819. ifeq ($(CONFIG_MMC),y)
  820. ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy)
  821. @echo >&2 "===================== WARNING ======================"
  822. @echo >&2 "This board does not use CONFIG_DM_MMC. Please update"
  823. @echo >&2 "the board to use CONFIG_DM_MMC before the v2019.04 release."
  824. @echo >&2 "Failure to update by the deadline may result in board removal."
  825. @echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
  826. @echo >&2 "===================================================="
  827. endif
  828. endif
  829. ifeq ($(CONFIG_USB),y)
  830. ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy)
  831. @echo >&2 "===================== WARNING ======================"
  832. @echo >&2 "This board does not use CONFIG_DM_USB. Please update"
  833. @echo >&2 "the board to use CONFIG_DM_USB before the v2019.07 release."
  834. @echo >&2 "Failure to update by the deadline may result in board removal."
  835. @echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
  836. @echo >&2 "===================================================="
  837. endif
  838. endif
  839. ifeq ($(CONFIG_MVSATA_IDE),y)
  840. @echo >&2 "===================== WARNING ======================"
  841. @echo >&2 "This board does use CONFIG_MVSATA_IDE which is not"
  842. @echo >&2 "ported to driver-model (DM) yet. Please update the storage"
  843. @echo >&2 "controller driver to use CONFIG_AHCI before the v2019.07"
  844. @echo >&2 "release."
  845. @echo >&2 "Failure to update by the deadline may result in board removal."
  846. @echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
  847. @echo >&2 "===================================================="
  848. endif
  849. ifeq ($(CONFIG_LIBATA),y)
  850. ifneq ($(CONFIG_AHCI),y)
  851. @echo >&2 "===================== WARNING ======================"
  852. @echo >&2 "This board does use CONFIG_LIBATA but has CONFIG_AHCI not"
  853. @echo >&2 "enabled. Please update the storage controller driver to use"
  854. @echo >&2 "CONFIG_AHCI before the v2019.07 release."
  855. @echo >&2 "Failure to update by the deadline may result in board removal."
  856. @echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
  857. @echo >&2 "===================================================="
  858. endif
  859. endif
  860. ifeq ($(CONFIG_PCI),y)
  861. ifneq ($(CONFIG_DM_PCI),y)
  862. @echo >&2 "===================== WARNING ======================"
  863. @echo >&2 "This board does not use CONFIG_DM_PCI Please update"
  864. @echo >&2 "the board to use CONFIG_DM_PCI before the v2019.07 release."
  865. @echo >&2 "Failure to update by the deadline may result in board removal."
  866. @echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
  867. @echo >&2 "===================================================="
  868. endif
  869. endif
  870. ifneq ($(CONFIG_LCD)$(CONFIG_VIDEO),)
  871. ifneq ($(CONFIG_DM_VIDEO),y)
  872. @echo >&2 "===================== WARNING ======================"
  873. @echo >&2 "This board does not use CONFIG_DM_VIDEO Please update"
  874. @echo >&2 "the board to use CONFIG_DM_VIDEO before the v2019.07 release."
  875. @echo >&2 "Failure to update by the deadline may result in board removal."
  876. @echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
  877. @echo >&2 "===================================================="
  878. endif
  879. endif
  880. ifeq ($(CONFIG_OF_EMBED),y)
  881. @echo >&2 "===================== WARNING ======================"
  882. @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only"
  883. @echo >&2 "be used for debugging purposes. Please use"
  884. @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline."
  885. @echo >&2 "See doc/README.fdt-control for more info."
  886. @echo >&2 "===================================================="
  887. endif
  888. ifeq ($(CONFIG_SPI_FLASH),y)
  889. ifneq ($(CONFIG_DM_SPI_FLASH)$(CONFIG_OF_CONTROL),yy)
  890. @echo >&2 "===================== WARNING ======================"
  891. @echo >&2 "This board does not use CONFIG_DM_SPI_FLASH. Please update"
  892. @echo >&2 "the board to use CONFIG_SPI_FLASH before the v2019.07 release."
  893. @echo >&2 "Failure to update by the deadline may result in board removal."
  894. @echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
  895. @echo >&2 "===================================================="
  896. endif
  897. endif
  898. ifneq ($(CONFIG_WATCHDOG)$(CONFIG_HW_WATCHDOG),)
  899. ifneq ($(CONFIG_WDT),y)
  900. @echo >&2 "===================== WARNING ======================"
  901. @echo >&2 "This board does not use CONFIG_WDT (DM watchdog support)."
  902. @echo >&2 "Please update the board to use CONFIG_WDT before the"
  903. @echo >&2 "v2019.10 release."
  904. @echo >&2 "Failure to update by the deadline may result in board removal."
  905. @echo >&2 "See doc/driver-model/MIGRATION.txt for more info."
  906. @echo >&2 "===================================================="
  907. endif
  908. endif
  909. ifneq ($(CONFIG_NET),)
  910. ifneq ($(CONFIG_DM_ETH),y)
  911. @echo >&2 "===================== WARNING ======================"
  912. @echo >&2 "This board does not use CONFIG_DM_ETH (Driver Model"
  913. @echo >&2 "for Ethernet drivers). Please update the board to use"
  914. @echo >&2 "CONFIG_DM_ETH before the v2020.07 release. Failure to"
  915. @echo >&2 "update by the deadline may result in board removal."
  916. @echo >&2 "See doc/driver-model/migration.rst for more info."
  917. @echo >&2 "===================================================="
  918. endif
  919. endif
  920. @# Check that this build does not use CONFIG options that we do not
  921. @# know about unless they are in Kconfig. All the existing CONFIG
  922. @# options are whitelisted, so new ones should not be added.
  923. $(call cmd,cfgcheck,u-boot.cfg)
  924. PHONY += dtbs
  925. dtbs: dts/dt.dtb
  926. @:
  927. dts/dt.dtb: u-boot
  928. $(Q)$(MAKE) $(build)=dts dtbs
  929. quiet_cmd_copy = COPY $@
  930. cmd_copy = cp $< $@
  931. ifeq ($(CONFIG_MULTI_DTB_FIT),y)
  932. ifeq ($(CONFIG_MULTI_DTB_FIT_LZO),y)
  933. FINAL_DTB_CONTAINER = fit-dtb.blob.lzo
  934. else ifeq ($(CONFIG_MULTI_DTB_FIT_GZIP),y)
  935. FINAL_DTB_CONTAINER = fit-dtb.blob.gz
  936. else
  937. FINAL_DTB_CONTAINER = fit-dtb.blob
  938. endif
  939. fit-dtb.blob.gz: fit-dtb.blob
  940. @gzip -kf9 $< > $@
  941. fit-dtb.blob.lzo: fit-dtb.blob
  942. @lzop -f9 $< > $@
  943. fit-dtb.blob: dts/dt.dtb FORCE
  944. $(call if_changed,mkimage)
  945. ifneq ($(SOURCE_DATE_EPOCH),)
  946. touch -d @$(SOURCE_DATE_EPOCH) fit-dtb.blob
  947. chmod 0600 fit-dtb.blob
  948. endif
  949. MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
  950. -a 0 -e 0 -E \
  951. $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null
  952. ifneq ($(EXT_DTB),)
  953. u-boot-fit-dtb.bin: u-boot-nodtb.bin $(EXT_DTB)
  954. $(call if_changed,cat)
  955. else
  956. u-boot-fit-dtb.bin: u-boot-nodtb.bin $(FINAL_DTB_CONTAINER)
  957. $(call if_changed,cat)
  958. endif
  959. u-boot.bin: u-boot-fit-dtb.bin FORCE
  960. $(call if_changed,copy)
  961. u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
  962. $(call if_changed,cat)
  963. else ifeq ($(CONFIG_OF_SEPARATE),y)
  964. u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
  965. $(call if_changed,cat)
  966. u-boot.bin: u-boot-dtb.bin FORCE
  967. $(call if_changed,copy)
  968. else
  969. u-boot.bin: u-boot-nodtb.bin FORCE
  970. $(call if_changed,copy)
  971. endif
  972. # we call Makefile in arch/arm/mach-imx which
  973. # has targets which are dependent on targets defined
  974. # here. make could not resolve them and we must ensure
  975. # that they are finished before calling imx targets
  976. ifeq ($(CONFIG_MULTI_DTB_FIT),y)
  977. IMX_DEPS = u-boot-fit-dtb.bin
  978. endif
  979. %.imx: $(IMX_DEPS) %.bin
  980. $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
  981. $(BOARD_SIZE_CHECK)
  982. %.vyb: %.imx
  983. $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
  984. quiet_cmd_copy = COPY $@
  985. cmd_copy = cp $< $@
  986. u-boot.dtb: dts/dt.dtb
  987. $(call cmd,copy)
  988. OBJCOPYFLAGS_u-boot.hex := -O ihex
  989. OBJCOPYFLAGS_u-boot.srec := -O srec
  990. u-boot.hex u-boot.srec: u-boot FORCE
  991. $(call if_changed,objcopy)
  992. OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec)
  993. u-boot-elf.srec: u-boot.elf FORCE
  994. $(call if_changed,objcopy)
  995. OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec)
  996. spl/u-boot-spl.srec: spl/u-boot-spl FORCE
  997. $(call if_changed,objcopy)
  998. %.scif: %.srec
  999. $(Q)$(MAKE) $(build)=arch/arm/mach-rmobile $@
  1000. OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
  1001. $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \
  1002. $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec)
  1003. OBJCOPYFLAGS_u-boot-spl.hex = $(OBJCOPYFLAGS_u-boot.hex)
  1004. spl/u-boot-spl.hex: spl/u-boot-spl FORCE
  1005. $(call if_changed,objcopy)
  1006. binary_size_check: u-boot-nodtb.bin FORCE
  1007. @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \
  1008. map_size=$(shell cat u-boot.map | \
  1009. awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \
  1010. | sed 's/0X//g' \
  1011. | bc); \
  1012. if [ "" != "$$map_size" ]; then \
  1013. if test $$map_size -ne $$file_size; then \
  1014. echo "u-boot.map shows a binary size of $$map_size" >&2 ; \
  1015. echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \
  1016. exit 1; \
  1017. fi \
  1018. fi
  1019. ifdef CONFIG_INIT_SP_RELATIVE
  1020. ifneq ($(CONFIG_SYS_MALLOC_F_LEN),)
  1021. subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN)))
  1022. else
  1023. subtract_sys_malloc_f_len = true
  1024. endif
  1025. # The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is
  1026. # so low that the DTB could probably use 90%+ of the available space, for
  1027. # current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be
  1028. # safe for now and tweak this later if space becomes tight.
  1029. # A rejected alternative would be to check that some absolute minimum stack
  1030. # space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is
  1031. # deliberately build-specific, to take account of build-to-build stack usage
  1032. # differences due to different feature sets, there is no common absolute value
  1033. # to check against.
  1034. init_sp_bss_offset_check: u-boot.dtb FORCE
  1035. @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \
  1036. space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \
  1037. $(subtract_sys_malloc_f_len) ; \
  1038. quarter_space=$$(($${space} / 4)) ; \
  1039. if [ $${dtb_size} -gt $${quarter_space} ]; then \
  1040. echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \
  1041. echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \
  1042. exit 1 ; \
  1043. fi
  1044. endif
  1045. u-boot-nodtb.bin: u-boot FORCE
  1046. $(call if_changed,objcopy)
  1047. $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
  1048. $(BOARD_SIZE_CHECK)
  1049. u-boot.ldr: u-boot
  1050. $(CREATE_LDR_ENV)
  1051. $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS)
  1052. $(BOARD_SIZE_CHECK)
  1053. # binman
  1054. # ---------------------------------------------------------------------------
  1055. # Use 'make BINMAN_DEBUG=1' to enable debugging
  1056. quiet_cmd_binman = BINMAN $@
  1057. cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \
  1058. --toolpath $(objtree)/tools \
  1059. $(if $(BINMAN_VERBOSE),-v$(BINMAN_VERBOSE)) \
  1060. build -u -d u-boot.dtb -O . -m \
  1061. -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \
  1062. $(BINMAN_$(@F))
  1063. OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
  1064. OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
  1065. u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
  1066. $(call if_changed,objcopy)
  1067. #
  1068. # U-Boot entry point, needed for booting of full-blown U-Boot
  1069. # from the SPL U-Boot version.
  1070. #
  1071. ifndef CONFIG_SYS_UBOOT_START
  1072. CONFIG_SYS_UBOOT_START := 0
  1073. endif
  1074. # Boards with more complex image requirements can provide an .its source file
  1075. # or a generator script
  1076. ifneq ($(CONFIG_SPL_FIT_SOURCE),"")
  1077. U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE))
  1078. else
  1079. ifneq ($(CONFIG_SPL_FIT_GENERATOR),"")
  1080. U_BOOT_ITS := u-boot.its
  1081. ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-imx/mkimage_fit_atf.sh")
  1082. U_BOOT_ITS_DEPS += u-boot-nodtb.bin
  1083. endif
  1084. ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py")
  1085. U_BOOT_ITS_DEPS += u-boot
  1086. endif
  1087. $(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE
  1088. $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \
  1089. $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@
  1090. endif
  1091. endif
  1092. ifdef CONFIG_SPL_LOAD_FIT
  1093. MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
  1094. -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
  1095. -p $(CONFIG_FIT_EXTERNAL_OFFSET) \
  1096. -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \
  1097. $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST)))
  1098. else
  1099. MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
  1100. -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
  1101. -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
  1102. MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \
  1103. -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
  1104. -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
  1105. u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log
  1106. endif
  1107. MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img)
  1108. # Some boards have the kwbimage.cfg file written in advance, while some
  1109. # other boards generate it on the fly during the build in the build tree.
  1110. # Let's check if the file exists in the build tree first, otherwise we
  1111. # fall back to use the one in the source tree.
  1112. KWD_CONFIG_FILE = $(shell \
  1113. if [ -f $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) ]; then \
  1114. echo -n $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \
  1115. else \
  1116. echo -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \
  1117. fi)
  1118. MKIMAGEFLAGS_u-boot.kwb = -n $(KWD_CONFIG_FILE) \
  1119. -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE)
  1120. MKIMAGEFLAGS_u-boot-spl.kwb = -n $(KWD_CONFIG_FILE) \
  1121. -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \
  1122. $(if $(KEYDIR),-k $(KEYDIR))
  1123. MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
  1124. -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage
  1125. ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
  1126. UBOOT_BIN := u-boot-with-dtb.bin
  1127. else
  1128. UBOOT_BIN := u-boot.bin
  1129. endif
  1130. u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \
  1131. $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin \
  1132. $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \
  1133. ,$(UBOOT_BIN)) FORCE
  1134. $(call if_changed,mkimage)
  1135. $(BOARD_SIZE_CHECK)
  1136. ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y)
  1137. MKIMAGEFLAGS_u-boot.itb =
  1138. else
  1139. MKIMAGEFLAGS_u-boot.itb = -E
  1140. endif
  1141. u-boot.itb: u-boot-nodtb.bin \
  1142. $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_OF_HOSTFILE),dts/dt.dtb) \
  1143. $(U_BOOT_ITS) FORCE
  1144. $(call if_changed,mkfitimage)
  1145. $(BOARD_SIZE_CHECK)
  1146. u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE
  1147. $(call if_changed,mkimage)
  1148. u-boot.sha1: u-boot.bin
  1149. tools/ubsha1 u-boot.bin
  1150. u-boot.dis: u-boot
  1151. $(OBJDUMP) -d $< > $@
  1152. ifneq ($(CONFIG_SPL_PAYLOAD),)
  1153. SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%)
  1154. else
  1155. SPL_PAYLOAD := u-boot.bin
  1156. endif
  1157. SPL_IMAGE := $(CONFIG_SPL_IMAGE:"%"=%)
  1158. OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \
  1159. --pad-to=$(CONFIG_SPL_PAD_TO)
  1160. u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE
  1161. $(call if_changed,pad_cat)
  1162. ifeq ($(CONFIG_ARCH_ROCKCHIP),y)
  1163. MKIMAGEFLAGS_u-boot-tpl.img = -n $(CONFIG_SYS_SOC) -T rksd
  1164. tpl/u-boot-tpl.img: tpl/u-boot-tpl.bin FORCE
  1165. $(call if_changed,mkimage)
  1166. idbloader.img: tpl/u-boot-tpl.img spl/u-boot-spl.bin FORCE
  1167. $(call if_changed,cat)
  1168. endif
  1169. ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy)
  1170. MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE)
  1171. lpc32xx-spl.img: spl/u-boot-spl.bin FORCE
  1172. $(call if_changed,mkimage)
  1173. OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
  1174. lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE
  1175. $(call if_changed,objcopy)
  1176. OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
  1177. lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE
  1178. $(call if_changed,objcopy)
  1179. lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE
  1180. $(call if_changed,cat)
  1181. endif
  1182. OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \
  1183. --pad-to=$(CONFIG_TPL_PAD_TO)
  1184. tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
  1185. $(call if_changed,pad_cat)
  1186. SPL: spl/u-boot-spl.bin FORCE
  1187. $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
  1188. ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y)
  1189. ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y)
  1190. u-boot.cnt: u-boot.bin FORCE
  1191. $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
  1192. flash.bin: spl/u-boot-spl.bin u-boot.cnt FORCE
  1193. $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
  1194. else
  1195. flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE
  1196. $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
  1197. endif
  1198. endif
  1199. u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE
  1200. $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
  1201. MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE)
  1202. u-boot.ubl: u-boot-with-spl.bin FORCE
  1203. $(call if_changed,mkimage)
  1204. MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \
  1205. $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \
  1206. -T aisimage -e $(CONFIG_SPL_TEXT_BASE)
  1207. spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE
  1208. $(call if_changed,mkimage)
  1209. OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
  1210. u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE
  1211. $(call if_changed,pad_cat)
  1212. u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin
  1213. $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb
  1214. u-boot.sb: u-boot.bin spl/u-boot-spl.bin
  1215. $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb
  1216. # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
  1217. # Both images are created using mkimage (crc etc), so that the ROM
  1218. # bootloader can check its integrity. Padding needs to be done to the
  1219. # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
  1220. # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
  1221. # The resulting image containing both U-Boot images is called u-boot.spr
  1222. MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \
  1223. -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER
  1224. spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE
  1225. $(call if_changed,mkimage)
  1226. OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
  1227. --gap-fill=0xff
  1228. u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE
  1229. $(call if_changed,pad_cat)
  1230. ifneq ($(CONFIG_ARCH_SOCFPGA),)
  1231. quiet_cmd_socboot = SOCBOOT $@
  1232. cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \
  1233. spl/u-boot-spl.sfp spl/u-boot-spl.sfp \
  1234. u-boot.img > $@ || rm -f $@
  1235. u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE
  1236. $(call if_changed,socboot)
  1237. quiet_cmd_socnandboot = SOCNANDBOOT $@
  1238. cmd_socnandboot = dd if=/dev/zero of=spl/u-boot-spl.pad bs=64 count=1024 ; \
  1239. cat spl/u-boot-spl.sfp spl/u-boot-spl.pad \
  1240. spl/u-boot-spl.sfp spl/u-boot-spl.pad \
  1241. spl/u-boot-spl.sfp spl/u-boot-spl.pad \
  1242. spl/u-boot-spl.sfp spl/u-boot-spl.pad \
  1243. u-boot.img > $@ || rm -f $@ spl/u-boot-spl.pad
  1244. u-boot-with-nand-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE
  1245. $(call if_changed,socnandboot)
  1246. endif
  1247. ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
  1248. u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \
  1249. $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE
  1250. $(call if_changed,binman)
  1251. ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y)
  1252. OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec
  1253. u-boot-br.bin: u-boot FORCE
  1254. $(call if_changed,objcopy)
  1255. endif
  1256. endif
  1257. # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including
  1258. # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in
  1259. # the middle. This is handled by binman based on an image description in the
  1260. # board's device tree.
  1261. ifneq ($(CONFIG_X86_RESET_VECTOR),)
  1262. rom: u-boot.rom FORCE
  1263. refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE
  1264. $(call if_changed,copy)
  1265. quiet_cmd_ldr = LD $@
  1266. cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \
  1267. $(filter-out FORCE,$^) -o $@
  1268. u-boot.rom: u-boot-x86-start16.bin u-boot-x86-reset16.bin u-boot.bin \
  1269. $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \
  1270. $(if $(CONFIG_TPL_X86_16BIT_INIT),tpl/u-boot-tpl.bin) \
  1271. $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE
  1272. $(call if_changed,binman)
  1273. OBJCOPYFLAGS_u-boot-x86-start16.bin := -O binary -j .start16
  1274. u-boot-x86-start16.bin: u-boot FORCE
  1275. $(call if_changed,objcopy)
  1276. OBJCOPYFLAGS_u-boot-x86-reset16.bin := -O binary -j .resetvec
  1277. u-boot-x86-reset16.bin: u-boot FORCE
  1278. $(call if_changed,objcopy)
  1279. endif
  1280. ifneq ($(CONFIG_ARCH_SUNXI),)
  1281. ifeq ($(CONFIG_ARM64),)
  1282. u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE
  1283. $(call if_changed,binman)
  1284. else
  1285. u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.itb FORCE
  1286. $(call if_changed,cat)
  1287. endif
  1288. endif
  1289. ifneq ($(CONFIG_TEGRA),)
  1290. ifneq ($(CONFIG_BINMAN),)
  1291. # Makes u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin
  1292. %-dtb-tegra.bin %-tegra.bin %-nodtb-tegra.bin: \
  1293. spl/%-spl %.bin FORCE
  1294. $(call if_changed,binman)
  1295. else
  1296. OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
  1297. u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE
  1298. $(call if_changed,pad_cat)
  1299. OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
  1300. u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE
  1301. $(call if_changed,pad_cat)
  1302. u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE
  1303. $(call if_changed,copy)
  1304. endif # binman
  1305. endif
  1306. OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI)
  1307. u-boot-app.efi: u-boot FORCE
  1308. $(call if_changed,zobjcopy)
  1309. u-boot.bin.o: u-boot.bin FORCE
  1310. $(call if_changed,efipayload)
  1311. u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE
  1312. $(call if_changed_dep,cpp_lds)
  1313. # Rule to link the EFI payload which contains a stub and a U-Boot binary
  1314. quiet_cmd_u-boot_payload ?= LD $@
  1315. cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \
  1316. -T u-boot-payload.lds arch/x86/cpu/call32.o \
  1317. lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \
  1318. $(addprefix arch/$(ARCH)/lib/,$(EFISTUB))
  1319. u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE
  1320. $(call if_changed,u-boot_payload)
  1321. OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI)
  1322. u-boot-payload.efi: u-boot-payload FORCE
  1323. $(call if_changed,zobjcopy)
  1324. u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
  1325. $(call if_changed,cat)
  1326. #Add a target to create boot binary having SPL binary in PBI format
  1327. #concatenated with u-boot binary. It is need by PowerPC SoC having
  1328. #internal SRAM <= 512KB.
  1329. MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
  1330. -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \
  1331. -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE)
  1332. spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE
  1333. $(call if_changed,mkimage)
  1334. ifeq ($(ARCH),arm)
  1335. UBOOT_BINLOAD := u-boot.img
  1336. else
  1337. ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
  1338. UBOOT_BINLOAD := u-boot-with-dtb.bin
  1339. else
  1340. UBOOT_BINLOAD := u-boot.bin
  1341. endif
  1342. endif
  1343. OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
  1344. --gap-fill=0xff
  1345. u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE
  1346. $(call if_changed,pad_cat)
  1347. # PPC4xx needs the SPL at the end of the image, since the reset vector
  1348. # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
  1349. # and need to introduce a new build target with the full blown U-Boot
  1350. # at the start padded up to the start of the SPL image. And then concat
  1351. # the SPL image to the end.
  1352. OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \
  1353. --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff
  1354. u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE
  1355. $(call if_changed,pad_cat)
  1356. # Create a new ELF from a raw binary file.
  1357. ifndef PLATFORM_ELFENTRY
  1358. PLATFORM_ELFENTRY = "_start"
  1359. endif
  1360. quiet_cmd_u-boot-elf ?= LD $@
  1361. cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \
  1362. --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \
  1363. -Ttext=$(CONFIG_SYS_TEXT_BASE)
  1364. u-boot.elf: u-boot.bin
  1365. $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o
  1366. $(call if_changed,u-boot-elf)
  1367. # MediaTek's ARM-based u-boot needs a header to contains its load address
  1368. # which is parsed by the BootROM.
  1369. # If the SPL build is enabled, the header will be added to the spl binary,
  1370. # and the spl binary and the u-boot.img will be combined into one file.
  1371. # Otherwise the header will be added to the u-boot.bin directly.
  1372. ifeq ($(CONFIG_SPL),y)
  1373. spl/u-boot-spl-mtk.bin: spl/u-boot-spl
  1374. u-boot-mtk.bin: u-boot.dtb u-boot.img spl/u-boot-spl-mtk.bin FORCE
  1375. $(call if_changed,binman)
  1376. else
  1377. MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \
  1378. -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \
  1379. -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
  1380. u-boot-mtk.bin: u-boot.bin FORCE
  1381. $(call if_changed,mkimage)
  1382. endif
  1383. ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink)
  1384. # Rule to link u-boot
  1385. # May be overridden by arch/$(ARCH)/config.mk
  1386. quiet_cmd_u-boot__ ?= LD $@
  1387. cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \
  1388. -T u-boot.lds $(u-boot-init) \
  1389. --start-group $(u-boot-main) --end-group \
  1390. $(PLATFORM_LIBS) -Map u-boot.map; \
  1391. $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
  1392. quiet_cmd_smap = GEN common/system_map.o
  1393. cmd_smap = \
  1394. smap=`$(call SYSTEM_MAP,u-boot) | \
  1395. awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
  1396. $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
  1397. -c $(srctree)/common/system_map.c -o common/system_map.o
  1398. u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE
  1399. +$(call if_changed,u-boot__)
  1400. ifeq ($(CONFIG_KALLSYMS),y)
  1401. $(call cmd,smap)
  1402. $(call cmd,u-boot__) common/system_map.o
  1403. endif
  1404. ifeq ($(CONFIG_RISCV),y)
  1405. @tools/prelink-riscv $@ 0
  1406. endif
  1407. quiet_cmd_sym ?= SYM $@
  1408. cmd_sym ?= $(OBJDUMP) -t $< > $@
  1409. u-boot.sym: u-boot FORCE
  1410. $(call if_changed,sym)
  1411. # The actual objects are generated when descending,
  1412. # make sure no implicit rule kicks in
  1413. $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ;
  1414. # Handle descending into subdirectories listed in $(u-boot-dirs)
  1415. # Preset locale variables to speed up the build process. Limit locale
  1416. # tweaks to this spot to avoid wrong language settings when running
  1417. # make menuconfig etc.
  1418. # Error messages still appears in the original language
  1419. PHONY += $(u-boot-dirs)
  1420. $(u-boot-dirs): prepare scripts
  1421. $(Q)$(MAKE) $(build)=$@
  1422. tools: prepare
  1423. # The "tools" are needed early
  1424. $(filter-out tools, $(u-boot-dirs)): tools
  1425. # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
  1426. # is "yes"), so compile examples after U-Boot is compiled.
  1427. examples: $(filter-out examples, $(u-boot-dirs))
  1428. define filechk_uboot.release
  1429. echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
  1430. endef
  1431. # Store (new) UBOOTRELEASE string in include/config/uboot.release
  1432. include/config/uboot.release: include/config/auto.conf FORCE
  1433. $(call filechk,uboot.release)
  1434. # Things we need to do before we recursively start building the kernel
  1435. # or the modules are listed in "prepare".
  1436. # A multi level approach is used. prepareN is processed before prepareN-1.
  1437. # archprepare is used in arch Makefiles and when processed asm symlink,
  1438. # version.h and scripts_basic is processed / created.
  1439. # Listed in dependency order
  1440. PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
  1441. # prepare3 is used to check if we are building in a separate output directory,
  1442. # and if so do:
  1443. # 1) Check that make has not been executed in the kernel src $(srctree)
  1444. prepare3: include/config/uboot.release
  1445. ifneq ($(KBUILD_SRC),)
  1446. @$(kecho) ' Using $(srctree) as source for U-Boot'
  1447. $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
  1448. echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \
  1449. echo >&2 " in the '$(srctree)' directory.";\
  1450. /bin/false; \
  1451. fi;
  1452. endif
  1453. # prepare2 creates a makefile if using a separate output directory
  1454. prepare2: prepare3 outputmakefile cfg
  1455. prepare1: prepare2 $(version_h) $(timestamp_h) \
  1456. include/config/auto.conf
  1457. ifeq ($(wildcard $(LDSCRIPT)),)
  1458. @echo >&2 " Could not find linker script."
  1459. @/bin/false
  1460. endif
  1461. ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y)
  1462. prepare1: $(defaultenv_h)
  1463. endif
  1464. archprepare: prepare1 scripts_basic
  1465. prepare0: archprepare FORCE
  1466. $(Q)$(MAKE) $(build)=.
  1467. # All the preparing..
  1468. prepare: prepare0
  1469. # Generate some files
  1470. # ---------------------------------------------------------------------------
  1471. define filechk_version.h
  1472. (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
  1473. echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
  1474. echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \
  1475. echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; )
  1476. endef
  1477. # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date.
  1478. # The BSD date on the other hand behaves different and would produce errors
  1479. # with the misused '-d' switch. Respect that and search a working date with
  1480. # well known pre- and suffixes for the GNU variant of date.
  1481. define filechk_timestamp.h
  1482. (if test -n "$${SOURCE_DATE_EPOCH}"; then \
  1483. SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \
  1484. DATE=""; \
  1485. for date in gdate date.gnu date; do \
  1486. $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \
  1487. done; \
  1488. if test -n "$${DATE}"; then \
  1489. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
  1490. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
  1491. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
  1492. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
  1493. LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
  1494. else \
  1495. return 42; \
  1496. fi; \
  1497. else \
  1498. LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
  1499. LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \
  1500. LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \
  1501. LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \
  1502. LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
  1503. fi)
  1504. endef
  1505. define filechk_defaultenv.h
  1506. (grep -v '^#' | \
  1507. grep -v '^$$' | \
  1508. tr '\n' '\0' | \
  1509. sed -e 's/\\\x0/\n/g' | \
  1510. xxd -i ; echo ", 0x00" ; )
  1511. endef
  1512. $(version_h): include/config/uboot.release FORCE
  1513. $(call filechk,version.h)
  1514. $(timestamp_h): $(srctree)/Makefile FORCE
  1515. $(call filechk,timestamp.h)
  1516. $(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE
  1517. $(call filechk,defaultenv.h)
  1518. # ---------------------------------------------------------------------------
  1519. quiet_cmd_cpp_lds = LDS $@
  1520. cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \
  1521. -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
  1522. u-boot.lds: $(LDSCRIPT) prepare FORCE
  1523. $(call if_changed_dep,cpp_lds)
  1524. spl/u-boot-spl.bin: spl/u-boot-spl
  1525. @:
  1526. $(SPL_SIZE_CHECK)
  1527. spl/u-boot-spl: tools prepare \
  1528. $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \
  1529. $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb)
  1530. $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all
  1531. spl/sunxi-spl.bin: spl/u-boot-spl
  1532. @:
  1533. spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin
  1534. @:
  1535. spl/u-boot-spl.sfp: spl/u-boot-spl
  1536. @:
  1537. spl/boot.bin: spl/u-boot-spl
  1538. @:
  1539. tpl/u-boot-tpl.bin: tools prepare \
  1540. $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb)
  1541. $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all
  1542. $(TPL_SIZE_CHECK)
  1543. TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include)
  1544. FIND := find
  1545. FINDFLAGS := -L
  1546. tags ctags:
  1547. ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
  1548. -name '*.[chS]' -print`
  1549. ln -s ctags tags
  1550. etags:
  1551. etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
  1552. -name '*.[chS]' -print`
  1553. cscope:
  1554. $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
  1555. cscope.files
  1556. @find $(TAG_SUBDIRS) -name '*.[chS]' -type l -print | \
  1557. grep -xvf - cscope.files > cscope.files.no-symlinks; \
  1558. mv cscope.files.no-symlinks cscope.files
  1559. cscope -b -q -k
  1560. SYSTEM_MAP = \
  1561. $(NM) $1 | \
  1562. grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
  1563. LC_ALL=C sort
  1564. System.map: u-boot
  1565. @$(call SYSTEM_MAP,$<) > $@
  1566. #########################################################################
  1567. # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
  1568. # R_AARCH64_RELATIVE (64-bit).
  1569. checkarmreloc: u-boot
  1570. @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
  1571. grep R_A | sort -u`"; \
  1572. if test "$$RELOC" != "R_ARM_RELATIVE" -a \
  1573. "$$RELOC" != "R_AARCH64_RELATIVE"; then \
  1574. echo "$< contains unexpected relocations: $$RELOC"; \
  1575. false; \
  1576. fi
  1577. tools/version.h: include/version.h
  1578. $(call if_changed,copy)
  1579. envtools: scripts_basic $(version_h) $(timestamp_h) tools/version.h
  1580. $(Q)$(MAKE) $(build)=tools/env
  1581. tools-only: export TOOLS_ONLY=y
  1582. tools-only: scripts_basic $(version_h) $(timestamp_h) tools/version.h
  1583. $(Q)$(MAKE) $(build)=tools
  1584. tools-all: export HOST_TOOLS_ALL=y
  1585. tools-all: envtools tools ;
  1586. cross_tools: export CROSS_BUILD_TOOLS=y
  1587. cross_tools: tools ;
  1588. .PHONY : CHANGELOG
  1589. CHANGELOG:
  1590. git log --no-merges U-Boot-1_1_5.. | \
  1591. unexpand -a | sed -e 's/\s\s*$$//' > $@
  1592. #########################################################################
  1593. ###
  1594. # Cleaning is done on three levels.
  1595. # make clean Delete most generated files
  1596. # Leave enough to build external modules
  1597. # make mrproper Delete the current configuration, and all generated files
  1598. # make distclean Remove editor backup files, patch leftover files and the like
  1599. # Directories & files removed with 'make clean'
  1600. CLEAN_DIRS += $(MODVERDIR) \
  1601. $(foreach d, spl tpl, $(patsubst %,$d/%, \
  1602. $(filter-out include, $(shell ls -1 $d 2>/dev/null))))
  1603. CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h tools/version.h \
  1604. boot* u-boot* MLO* SPL System.map fit-dtb.blob* \
  1605. u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log \
  1606. lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \
  1607. idbloader.img
  1608. # Directories & files removed with 'make mrproper'
  1609. MRPROPER_DIRS += include/config include/generated spl tpl \
  1610. .tmp_objdiff
  1611. MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \
  1612. ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
  1613. drivers/video/fonts/*.S
  1614. # clean - Delete most, but leave enough to build external modules
  1615. #
  1616. clean: rm-dirs := $(CLEAN_DIRS)
  1617. clean: rm-files := $(CLEAN_FILES)
  1618. clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f))
  1619. clean-dirs := $(addprefix _clean_, $(clean-dirs))
  1620. PHONY += $(clean-dirs) clean archclean
  1621. $(clean-dirs):
  1622. $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
  1623. clean: $(clean-dirs)
  1624. $(call cmd,rmdirs)
  1625. $(call cmd,rmfiles)
  1626. @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
  1627. \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
  1628. -o -name '*.ko.*' -o -name '*.su' -o -name '*.pyc' \
  1629. -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
  1630. -o -name '*.lex.c' -o -name '*.tab.[ch]' \
  1631. -o -name '*.symtypes' -o -name 'modules.order' \
  1632. -o -name modules.builtin -o -name '.tmp_*.o.*' \
  1633. -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \
  1634. -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \
  1635. -type f -print | xargs rm -f
  1636. # mrproper - Delete all generated files, including .config
  1637. #
  1638. mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS))
  1639. mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
  1640. mrproper-dirs := $(addprefix _mrproper_,scripts)
  1641. PHONY += $(mrproper-dirs) mrproper archmrproper
  1642. $(mrproper-dirs):
  1643. $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
  1644. mrproper: clean $(mrproper-dirs)
  1645. $(call cmd,rmdirs)
  1646. $(call cmd,rmfiles)
  1647. @rm -f arch/*/include/asm/arch
  1648. # distclean
  1649. #
  1650. PHONY += distclean
  1651. distclean: mrproper
  1652. @find $(srctree) $(RCS_FIND_IGNORE) \
  1653. \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
  1654. -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
  1655. -o -name '.*.rej' -o -name '*%' -o -name 'core' \
  1656. -o -name '*.pyc' \) \
  1657. -type f -print | xargs rm -f
  1658. @rm -f boards.cfg CHANGELOG
  1659. backup:
  1660. F=`basename $(srctree)` ; cd .. ; \
  1661. gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
  1662. help:
  1663. @echo 'Cleaning targets:'
  1664. @echo ' clean - Remove most generated files but keep the config'
  1665. @echo ' mrproper - Remove all generated files + config + various backup files'
  1666. @echo ' distclean - mrproper + remove editor backup and patch files'
  1667. @echo ''
  1668. @echo 'Configuration targets:'
  1669. @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
  1670. @echo ''
  1671. @echo 'Test targets:'
  1672. @echo ''
  1673. @echo ' check - Run all automated tests that use sandbox'
  1674. @echo ' qcheck - Run quick automated tests that use sandbox'
  1675. @echo ''
  1676. @echo 'Other generic targets:'
  1677. @echo ' all - Build all necessary images depending on configuration'
  1678. @echo ' tests - Build U-Boot for sandbox and run tests'
  1679. @echo '* u-boot - Build the bare u-boot'
  1680. @echo ' dir/ - Build all files in dir and below'
  1681. @echo ' dir/file.[oisS] - Build specified target only'
  1682. @echo ' dir/file.lst - Build specified mixed source/assembly target only'
  1683. @echo ' (requires a recent binutils and recent build (System.map))'
  1684. @echo ' tags/ctags - Generate ctags file for editors'
  1685. @echo ' etags - Generate etags file for editors'
  1686. @echo ' cscope - Generate cscope index'
  1687. @echo ' ubootrelease - Output the release version string (use with make -s)'
  1688. @echo ' ubootversion - Output the version stored in Makefile (use with make -s)'
  1689. @echo " cfg - Don't build, just create the .cfg files"
  1690. @echo " envtools - Build only the target-side environment tools"
  1691. @echo ''
  1692. @echo 'Static analysers'
  1693. @echo ' checkstack - Generate a list of stack hogs'
  1694. @echo ' coccicheck - Execute static code analysis with Coccinelle'
  1695. @echo ''
  1696. @echo 'Documentation targets:'
  1697. @$(MAKE) -f $(srctree)/doc/Makefile dochelp
  1698. @echo ''
  1699. @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
  1700. @echo ' make V=2 [targets] 2 => give reason for rebuild of target'
  1701. @echo ' make O=dir [targets] Locate all output files in "dir", including .config'
  1702. @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
  1703. @echo ' make C=2 [targets] Force check of all c source with $$CHECK'
  1704. @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
  1705. @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
  1706. @echo ' 1: warnings which may be relevant and do not occur too often'
  1707. @echo ' 2: warnings which occur quite often but may still be relevant'
  1708. @echo ' 3: more obscure warnings, can most likely be ignored'
  1709. @echo ' Multiple levels can be combined with W=12 or W=123'
  1710. @echo ''
  1711. @echo 'Execute "make" or "make all" to build all targets marked with [*] '
  1712. @echo 'For further info see the ./README file'
  1713. tests check:
  1714. $(srctree)/test/run
  1715. qcheck:
  1716. $(srctree)/test/run quick
  1717. # Documentation targets
  1718. # ---------------------------------------------------------------------------
  1719. DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \
  1720. linkcheckdocs dochelp refcheckdocs
  1721. PHONY += $(DOC_TARGETS)
  1722. $(DOC_TARGETS): scripts_basic FORCE
  1723. $(Q)$(MAKE) $(build)=doc $@
  1724. endif #ifeq ($(config-targets),1)
  1725. endif #ifeq ($(mixed-targets),1)
  1726. PHONY += checkstack ubootrelease ubootversion
  1727. checkstack:
  1728. $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \
  1729. $(PERL) $(src)/scripts/checkstack.pl $(ARCH)
  1730. ubootrelease:
  1731. @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
  1732. ubootversion:
  1733. @echo $(UBOOTVERSION)
  1734. # Single targets
  1735. # ---------------------------------------------------------------------------
  1736. # Single targets are compatible with:
  1737. # - build with mixed source and output
  1738. # - build with separate output dir 'make O=...'
  1739. # - external modules
  1740. #
  1741. # target-dir => where to store outputfile
  1742. # build-dir => directory in kernel source tree to use
  1743. ifeq ($(KBUILD_EXTMOD),)
  1744. build-dir = $(patsubst %/,%,$(dir $@))
  1745. target-dir = $(dir $@)
  1746. else
  1747. zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
  1748. build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
  1749. target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
  1750. endif
  1751. %.s: %.c prepare scripts FORCE
  1752. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1753. %.i: %.c prepare scripts FORCE
  1754. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1755. %.o: %.c prepare scripts FORCE
  1756. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1757. %.lst: %.c prepare scripts FORCE
  1758. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1759. %.s: %.S prepare scripts FORCE
  1760. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1761. %.o: %.S prepare scripts FORCE
  1762. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1763. %.symtypes: %.c prepare scripts FORCE
  1764. $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
  1765. # Modules
  1766. /: prepare scripts FORCE
  1767. $(cmd_crmodverdir)
  1768. $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
  1769. $(build)=$(build-dir)
  1770. %/: prepare scripts FORCE
  1771. $(cmd_crmodverdir)
  1772. $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
  1773. $(build)=$(build-dir)
  1774. %.ko: prepare scripts FORCE
  1775. $(cmd_crmodverdir)
  1776. $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
  1777. $(build)=$(build-dir) $(@:.ko=.o)
  1778. $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
  1779. quiet_cmd_genenv = GENENV $@
  1780. cmd_genenv = $(OBJCOPY) --dump-section .rodata.default_environment=$@ env/common.o; \
  1781. sed --in-place -e 's/\x00/\x0A/g' $@
  1782. u-boot-initial-env: u-boot.bin
  1783. $(call if_changed,genenv)
  1784. # Consistency checks
  1785. # ---------------------------------------------------------------------------
  1786. PHONY += coccicheck
  1787. coccicheck:
  1788. $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@
  1789. # FIXME Should go into a make.lib or something
  1790. # ===========================================================================
  1791. quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs)))
  1792. cmd_rmdirs = rm -rf $(rm-dirs)
  1793. quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)))
  1794. cmd_rmfiles = rm -f $(rm-files)
  1795. # read all saved command lines
  1796. targets := $(wildcard $(sort $(targets)))
  1797. cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
  1798. ifneq ($(cmd_files),)
  1799. $(cmd_files): ; # Do not try to update included dependency files
  1800. include $(cmd_files)
  1801. endif
  1802. endif # skip-makefile
  1803. PHONY += FORCE
  1804. FORCE:
  1805. # Declare the contents of the .PHONY variable as phony. We keep that
  1806. # information in a variable so we can use it in if_changed and friends.
  1807. .PHONY: $(PHONY)