1 # SPDX-License-Identifier: GPL-2.0+ 2 3 VERSION = 2019 4 PATCHLEVEL = 04 5 SUBLEVEL = 6 EXTRAVERSION = -rc4 7 NAME = 8 9 # *DOCUMENTATION* 10 # To see a list of typical targets execute "make help" 11 # More info can be located in ./README 12 # Comments in this file are targeted only to the developer, do not 13 # expect to learn how to build the kernel reading this file. 14 15 # o Do not use make's built-in rules and variables 16 # (this increases performance and avoids hard-to-debug behaviour); 17 # o Look for make include files relative to root of kernel src 18 MAKEFLAGS += -rR --include-dir=$(CURDIR) 19 20 # Avoid funny character set dependencies 21 unexport LC_ALL 22 LC_COLLATE=C 23 LC_NUMERIC=C 24 export LC_COLLATE LC_NUMERIC 25 26 # Avoid interference with shell env settings 27 unexport GREP_OPTIONS 28 29 # We are using a recursive build, so we need to do a little thinking 30 # to get the ordering right. 31 # 32 # Most importantly: sub-Makefiles should only ever modify files in 33 # their own directory. If in some directory we have a dependency on 34 # a file in another dir (which doesn't happen often, but it's often 35 # unavoidable when linking the built-in.o targets which finally 36 # turn into vmlinux), we will call a sub make in that other dir, and 37 # after that we are sure that everything which is in that other dir 38 # is now up to date. 39 # 40 # The only cases where we need to modify files which have global 41 # effects are thus separated out and done before the recursive 42 # descending is started. They are now explicitly listed as the 43 # prepare rule. 44 45 # Beautify output 46 # --------------------------------------------------------------------------- 47 # 48 # Normally, we echo the whole command before executing it. By making 49 # that echo $($(quiet)$(cmd)), we now have the possibility to set 50 # $(quiet) to choose other forms of output instead, e.g. 51 # 52 # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 53 # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 54 # 55 # If $(quiet) is empty, the whole command will be printed. 56 # If it is set to "quiet_", only the short version will be printed. 57 # If it is set to "silent_", nothing will be printed at all, since 58 # the variable $(silent_cmd_cc_o_c) doesn't exist. 59 # 60 # A simple variant is to prefix commands with $(Q) - that's useful 61 # for commands that shall be hidden in non-verbose mode. 62 # 63 # $(Q)ln $@ :< 64 # 65 # If KBUILD_VERBOSE equals 0 then the above command will be hidden. 66 # If KBUILD_VERBOSE equals 1 then the above command is displayed. 67 # 68 # To put more focus on warnings, be less verbose as default 69 # Use 'make V=1' to see the full commands 70 71 ifeq ("$(origin V)", "command line") 72 KBUILD_VERBOSE = $(V) 73 endif 74 ifndef KBUILD_VERBOSE 75 KBUILD_VERBOSE = 0 76 endif 77 78 ifeq ($(KBUILD_VERBOSE),1) 79 quiet = 80 Q = 81 else 82 quiet=quiet_ 83 Q = @ 84 endif 85 86 # If the user is running make -s (silent mode), suppress echoing of 87 # commands 88 89 ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 90 ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) 91 quiet=silent_ 92 endif 93 else # make-3.8x 94 ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 95 quiet=silent_ 96 endif 97 endif 98 99 export quiet Q KBUILD_VERBOSE 100 101 # kbuild supports saving output files in a separate directory. 102 # To locate output files in a separate directory two syntaxes are supported. 103 # In both cases the working directory must be the root of the kernel src. 104 # 1) O= 105 # Use "make O=dir/to/store/output/files/" 106 # 107 # 2) Set KBUILD_OUTPUT 108 # Set the environment variable KBUILD_OUTPUT to point to the directory 109 # where the output files shall be placed. 110 # export KBUILD_OUTPUT=dir/to/store/output/files/ 111 # make 112 # 113 # The O= assignment takes precedence over the KBUILD_OUTPUT environment 114 # variable. 115 116 # KBUILD_SRC is set on invocation of make in OBJ directory 117 # KBUILD_SRC is not intended to be used by the regular user (for now) 118 ifeq ($(KBUILD_SRC),) 119 120 # OK, Make called in directory where kernel src resides 121 # Do we want to locate output files in a separate directory? 122 ifeq ("$(origin O)", "command line") 123 KBUILD_OUTPUT := $(O) 124 endif 125 126 # That's our default target when none is given on the command line 127 PHONY := _all 128 _all: 129 130 # Cancel implicit rules on top Makefile 131 $(CURDIR)/Makefile Makefile: ; 132 133 ifneq ($(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)")) 141 142 PHONY += $(MAKECMDGOALS) sub-make 143 144 $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 145 @: 146 147 sub-make: FORCE 148 $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \ 149 -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) 150 151 # Leave processing to above invocation of make 152 skip-makefile := 1 153 endif # ifneq ($(KBUILD_OUTPUT),) 154 endif # ifeq ($(KBUILD_SRC),) 155 156 # We process the rest of the Makefile if this is the final invocation of make 157 ifeq ($(skip-makefile),) 158 159 # Do not print "Entering directory ...", 160 # but we want to display it when entering to the output directory 161 # so that IDEs/editors are able to understand relative filenames. 162 MAKEFLAGS += --no-print-directory 163 164 # Call a source code checker (by default, "sparse") as part of the 165 # C compilation. 166 # 167 # Use 'make C=1' to enable checking of only re-compiled files. 168 # Use 'make C=2' to enable checking of *all* source files, regardless 169 # of whether they are re-compiled or not. 170 # 171 # See the file "Documentation/sparse.txt" for more details, including 172 # where to get the "sparse" utility. 173 174 ifeq ("$(origin C)", "command line") 175 KBUILD_CHECKSRC = $(C) 176 endif 177 ifndef KBUILD_CHECKSRC 178 KBUILD_CHECKSRC = 0 179 endif 180 181 # Use make M=dir to specify directory of external module to build 182 # Old syntax make ... SUBDIRS=$PWD is still supported 183 # Setting the environment variable KBUILD_EXTMOD take precedence 184 ifdef SUBDIRS 185 KBUILD_EXTMOD ?= $(SUBDIRS) 186 endif 187 188 ifeq ("$(origin M)", "command line") 189 KBUILD_EXTMOD := $(M) 190 endif 191 192 # If building an external module we do not care about the all: rule 193 # but instead _all depend on modules 194 PHONY += all 195 ifeq ($(KBUILD_EXTMOD),) 196 _all: all 197 else 198 _all: modules 199 endif 200 201 ifeq ($(KBUILD_SRC),) 202 # building in the source tree 203 srctree := . 204 else 205 ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR))) 206 # building in a subdirectory of the source tree 207 srctree := .. 208 else 209 srctree := $(KBUILD_SRC) 210 endif 211 endif 212 objtree := . 213 src := $(srctree) 214 obj := $(objtree) 215 216 VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 217 218 export srctree objtree VPATH 219 220 # Make sure CDPATH settings don't interfere 221 unexport CDPATH 222 223 ######################################################################### 224 225 HOSTARCH := $(shell uname -m | \ 226 sed -e s/i.86/x86/ \ 227 -e s/sun4u/sparc64/ \ 228 -e s/arm.*/arm/ \ 229 -e s/sa110/arm/ \ 230 -e s/ppc64/powerpc/ \ 231 -e s/ppc/powerpc/ \ 232 -e s/macppc/powerpc/\ 233 -e s/sh.*/sh/) 234 235 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 236 sed -e 's/\(cygwin\).*/cygwin/') 237 238 export HOSTARCH HOSTOS 239 240 ######################################################################### 241 242 # set default to nothing for native builds 243 ifeq ($(HOSTARCH),$(ARCH)) 244 CROSS_COMPILE ?= 245 endif 246 247 KCONFIG_CONFIG ?= .config 248 export KCONFIG_CONFIG 249 250 # SHELL used by kbuild 251 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 252 else if [ -x /bin/bash ]; then echo /bin/bash; \ 253 else echo sh; fi ; fi) 254 255 HOSTCC = cc 256 HOSTCXX = c++ 257 HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \ 258 $(if $(CONFIG_TOOLS_DEBUG),-g) 259 HOSTCXXFLAGS = -O2 260 261 # With the move to GCC 6, we have implicitly upgraded our language 262 # standard to GNU11 (see https://gcc.gnu.org/gcc-5/porting_to.html). 263 # Some Linux distributions (including RHEL7, SLES13, Debian 8) still 264 # have older compilers as their default, so we make it explicit for 265 # these that our host tools are GNU11 (i.e. C11 w/ GNU extensions). 266 CSTD_FLAG := -std=gnu11 267 ifeq ($(HOSTOS),linux) 268 HOSTCFLAGS += $(CSTD_FLAG) 269 endif 270 271 ifeq ($(HOSTOS),cygwin) 272 HOSTCFLAGS += -ansi 273 endif 274 275 # Mac OS X / Darwin's C preprocessor is Apple specific. It 276 # generates numerous errors and warnings. We want to bypass it 277 # and use GNU C's cpp. To do this we pass the -traditional-cpp 278 # option to the compiler. Note that the -traditional-cpp flag 279 # DOES NOT have the same semantics as GNU C's flag, all it does 280 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 281 # 282 # Apple's linker is similar, thanks to the new 2 stage linking 283 # multiple symbol definitions are treated as errors, hence the 284 # -multiply_defined suppress option to turn off this error. 285 # 286 ifeq ($(HOSTOS),darwin) 287 # get major and minor product version (e.g. '10' and '6' for Snow Leopard) 288 DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 289 DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 290 291 os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 292 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 293 294 os_x_after = $(shell if [ $(DARWIN_MAJOR_VERSION) -ge $(1) -a \ 295 $(DARWIN_MINOR_VERSION) -ge $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 296 297 # Snow Leopards build environment has no longer restrictions as described above 298 HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 299 HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 300 HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 301 302 # since Lion (10.7) ASLR is on by default, but we use linker generated lists 303 # in some host tools which is a problem then ... so disable ASLR for these 304 # tools 305 HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie") 306 307 # macOS Mojave (10.14.X) 308 # Undefined symbols for architecture x86_64: "_PyArg_ParseTuple" 309 HOSTLDFLAGS += $(call os_x_after, 10, 14, "-lpython -dynamclib", "") 310 endif 311 312 # Decide whether to build built-in, modular, or both. 313 # Normally, just do built-in. 314 315 KBUILD_MODULES := 316 KBUILD_BUILTIN := 1 317 318 # If we have only "make modules", don't compile built-in objects. 319 # When we're building modules with modversions, we need to consider 320 # the built-in objects during the descend as well, in order to 321 # make sure the checksums are up to date before we record them. 322 323 ifeq ($(MAKECMDGOALS),modules) 324 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 325 endif 326 327 # If we have "make <whatever> modules", compile modules 328 # in addition to whatever we do anyway. 329 # Just "make" or "make all" shall build modules as well 330 331 # U-Boot does not need modules 332 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 333 # KBUILD_MODULES := 1 334 #endif 335 336 #ifeq ($(MAKECMDGOALS),) 337 # KBUILD_MODULES := 1 338 #endif 339 340 export KBUILD_MODULES KBUILD_BUILTIN 341 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 342 343 # We need some generic definitions (do not try to remake the file). 344 scripts/Kbuild.include: ; 345 include scripts/Kbuild.include 346 347 # Make variables (CC, etc...) 348 349 AS = $(CROSS_COMPILE)as 350 # Always use GNU ld 351 ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 352 LD = $(CROSS_COMPILE)ld.bfd 353 else 354 LD = $(CROSS_COMPILE)ld 355 endif 356 CC = $(CROSS_COMPILE)gcc 357 CPP = $(CC) -E 358 AR = $(CROSS_COMPILE)ar 359 NM = $(CROSS_COMPILE)nm 360 LDR = $(CROSS_COMPILE)ldr 361 STRIP = $(CROSS_COMPILE)strip 362 OBJCOPY = $(CROSS_COMPILE)objcopy 363 OBJDUMP = $(CROSS_COMPILE)objdump 364 LEX = flex 365 YACC = bison 366 AWK = awk 367 PERL = perl 368 PYTHON ?= python 369 PYTHON2 = python2 370 PYTHON3 = python3 371 DTC ?= $(objtree)/scripts/dtc/dtc 372 CHECK = sparse 373 374 CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 375 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 376 377 KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ 378 379 KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 380 -Wno-format-security \ 381 -fno-builtin -ffreestanding $(CSTD_FLAG) 382 KBUILD_CFLAGS += -fshort-wchar -fno-strict-aliasing 383 KBUILD_AFLAGS := -D__ASSEMBLY__ 384 385 # Don't generate position independent code 386 KBUILD_CFLAGS += $(call cc-option,-fno-PIE) 387 KBUILD_AFLAGS += $(call cc-option,-fno-PIE) 388 389 # Read UBOOTRELEASE from include/config/uboot.release (if it exists) 390 UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 391 UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 392 393 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 394 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 395 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 396 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 397 export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3 398 export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS 399 400 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 401 export KBUILD_CFLAGS KBUILD_AFLAGS 402 403 # When compiling out-of-tree modules, put MODVERDIR in the module 404 # tree rather than in the kernel tree. The kernel tree might 405 # even be read-only. 406 export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 407 408 # Files to ignore in find ... statements 409 410 export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 411 -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 412 -prune -o 413 export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 414 --exclude CVS --exclude .pc --exclude .hg --exclude .git 415 416 # =========================================================================== 417 # Rules shared between *config targets and build targets 418 419 # Basic helpers built in scripts/ 420 PHONY += scripts_basic 421 scripts_basic: 422 $(Q)$(MAKE) $(build)=scripts/basic 423 $(Q)rm -f .tmp_quiet_recordmcount 424 425 # To avoid any implicit rule to kick in, define an empty command. 426 scripts/basic/%: scripts_basic ; 427 428 PHONY += outputmakefile 429 # outputmakefile generates a Makefile in the output directory, if using a 430 # separate output directory. This allows convenient use of make in the 431 # output directory. 432 outputmakefile: 433 ifneq ($(KBUILD_SRC),) 434 $(Q)ln -fsn $(srctree) source 435 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 436 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 437 endif 438 439 # To make sure we do not include .config for any of the *config targets 440 # catch them early, and hand them over to scripts/kconfig/Makefile 441 # It is allowed to specify more targets when calling make, including 442 # mixing *config targets and build targets. 443 # For example 'make oldconfig all'. 444 # Detect when mixed targets is specified, and make a second invocation 445 # of make so .config is not included in this case either (for *config). 446 447 version_h := include/generated/version_autogenerated.h 448 timestamp_h := include/generated/timestamp_autogenerated.h 449 defaultenv_h := include/generated/defaultenv_autogenerated.h 450 451 no-dot-config-targets := clean clobber mrproper distclean \ 452 help %docs check% coccicheck \ 453 ubootversion backup tests check qcheck 454 455 config-targets := 0 456 mixed-targets := 0 457 dot-config := 1 458 459 ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 460 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 461 dot-config := 0 462 endif 463 endif 464 465 ifeq ($(KBUILD_EXTMOD),) 466 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 467 config-targets := 1 468 ifneq ($(words $(MAKECMDGOALS)),1) 469 mixed-targets := 1 470 endif 471 endif 472 endif 473 474 ifeq ($(mixed-targets),1) 475 # =========================================================================== 476 # We're called with mixed targets (*config and build targets). 477 # Handle them one by one. 478 479 PHONY += $(MAKECMDGOALS) __build_one_by_one 480 481 $(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one 482 @: 483 484 __build_one_by_one: 485 $(Q)set -e; \ 486 for i in $(MAKECMDGOALS); do \ 487 $(MAKE) -f $(srctree)/Makefile $$i; \ 488 done 489 490 else 491 ifeq ($(config-targets),1) 492 # =========================================================================== 493 # *config targets only - make sure prerequisites are updated, and descend 494 # in scripts/kconfig to make the *config target 495 496 KBUILD_DEFCONFIG := sandbox_defconfig 497 export KBUILD_DEFCONFIG KBUILD_KCONFIG 498 499 config: scripts_basic outputmakefile FORCE 500 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 501 502 %config: scripts_basic outputmakefile FORCE 503 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 504 505 else 506 # =========================================================================== 507 # Build targets only - this includes vmlinux, arch specific targets, clean 508 # targets and others. In general all targets except *config targets. 509 510 # Additional helpers built in scripts/ 511 # Carefully list dependencies so we do not try to build scripts twice 512 # in parallel 513 PHONY += scripts 514 scripts: scripts_basic include/config/auto.conf 515 $(Q)$(MAKE) $(build)=$(@) 516 517 ifeq ($(dot-config),1) 518 # Read in config 519 -include include/config/auto.conf 520 521 # Read in dependencies to all Kconfig* files, make sure to run 522 # oldconfig if changes are detected. 523 -include include/config/auto.conf.cmd 524 525 # To avoid any implicit rule to kick in, define an empty command 526 $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; 527 528 # If .config is newer than include/config/auto.conf, someone tinkered 529 # with it and forgot to run make oldconfig. 530 # if auto.conf.cmd is missing then we are probably in a cleaned tree so 531 # we execute the config step to be sure to catch updated Kconfig files 532 include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd 533 $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig 534 @# If the following part fails, include/config/auto.conf should be 535 @# deleted so "make silentoldconfig" will be re-run on the next build. 536 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ 537 { rm -f include/config/auto.conf; false; } 538 @# include/config.h has been updated after "make silentoldconfig". 539 @# We need to touch include/config/auto.conf so it gets newer 540 @# than include/config.h. 541 @# Otherwise, 'make silentoldconfig' would be invoked twice. 542 $(Q)touch include/config/auto.conf 543 544 u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg: 545 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@) 546 547 -include include/autoconf.mk 548 -include include/autoconf.mk.dep 549 550 # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf 551 # is up-to-date. When we switch to a different board configuration, old CONFIG 552 # macros are still remaining in include/config/auto.conf. Without the following 553 # gimmick, wrong config.mk would be included leading nasty warnings/errors. 554 ifneq ($(wildcard $(KCONFIG_CONFIG)),) 555 ifneq ($(wildcard include/config/auto.conf),) 556 autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ 557 include/config/auto.conf) 558 ifeq ($(autoconf_is_old),) 559 include config.mk 560 include arch/$(ARCH)/Makefile 561 endif 562 endif 563 endif 564 565 # These are set by the arch-specific config.mk. Make sure they are exported 566 # so they can be used when building an EFI application. 567 export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib 568 export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib 569 export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib 570 export CFLAGS_EFI # Compiler flags to add when building EFI app 571 export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app 572 export EFI_TARGET # binutils target if EFI is natively supported 573 574 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 575 # that (or fail if absent). Otherwise, search for a linker script in a 576 # standard location. 577 578 ifndef LDSCRIPT 579 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 580 ifdef CONFIG_SYS_LDSCRIPT 581 # need to strip off double quotes 582 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 583 endif 584 endif 585 586 # If there is no specified link script, we look in a number of places for it 587 ifndef LDSCRIPT 588 ifeq ($(wildcard $(LDSCRIPT)),) 589 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 590 endif 591 ifeq ($(wildcard $(LDSCRIPT)),) 592 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 593 endif 594 ifeq ($(wildcard $(LDSCRIPT)),) 595 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 596 endif 597 endif 598 599 else 600 # Dummy target needed, because used as prerequisite 601 include/config/auto.conf: ; 602 endif # $(dot-config) 603 604 # 605 # Xtensa linker script cannot be preprocessed with -ansi because of 606 # preprocessor operations on strings that don't make C identifiers. 607 # 608 ifeq ($(CONFIG_XTENSA),) 609 LDPPFLAGS += -ansi 610 endif 611 612 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 613 KBUILD_CFLAGS += -Os 614 else 615 KBUILD_CFLAGS += -O2 616 endif 617 618 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 619 KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) 620 621 # change __FILE__ to the relative path from the srctree 622 KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) 623 624 KBUILD_CFLAGS += -g 625 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 626 # option to the assembler. 627 KBUILD_AFLAGS += -g 628 629 # Report stack usage if supported 630 # ARC tools based on GCC 7.1 has an issue with stack usage 631 # with naked functions, see commit message for more details 632 ifndef CONFIG_ARC 633 ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 634 KBUILD_CFLAGS += -fstack-usage 635 endif 636 endif 637 638 KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 639 ifeq ($(cc-name),clang) 640 KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) 641 KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) 642 KBUILD_CFLAGS += $(call cc-disable-warning, gnu) 643 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) 644 KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior) 645 endif 646 647 # turn jbsr into jsr for m68k 648 ifeq ($(ARCH),m68k) 649 ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 650 KBUILD_AFLAGS += -Wa,-gstabs,-S 651 endif 652 endif 653 654 # Prohibit date/time macros, which would make the build non-deterministic 655 KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 656 657 include scripts/Makefile.extrawarn 658 659 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 660 KBUILD_CPPFLAGS += $(KCPPFLAGS) 661 KBUILD_AFLAGS += $(KAFLAGS) 662 KBUILD_CFLAGS += $(KCFLAGS) 663 664 # Use UBOOTINCLUDE when you must reference the include/ directory. 665 # Needed to be compatible with the O= option 666 UBOOTINCLUDE := \ 667 -Iinclude \ 668 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 669 $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \ 670 $(if $(CONFIG_HAS_THUMB2),, \ 671 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 672 -I$(srctree)/arch/$(ARCH)/include \ 673 -include $(srctree)/include/linux/kconfig.h 674 675 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 676 CHECKFLAGS += $(NOSTDINC_FLAGS) 677 678 # FIX ME 679 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 680 $(NOSTDINC_FLAGS) 681 c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 682 683 ######################################################################### 684 # U-Boot objects....order is important (i.e. start must be first) 685 686 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 687 688 libs-y += lib/ 689 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 690 libs-$(CONFIG_OF_EMBED) += dts/ 691 libs-y += fs/ 692 libs-y += net/ 693 libs-y += disk/ 694 libs-y += drivers/ 695 libs-y += drivers/dma/ 696 libs-y += drivers/gpio/ 697 libs-y += drivers/i2c/ 698 libs-y += drivers/mtd/ 699 libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/raw/ 700 libs-y += drivers/mtd/onenand/ 701 libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 702 libs-y += drivers/mtd/spi/ 703 libs-y += drivers/net/ 704 libs-y += drivers/net/phy/ 705 libs-y += drivers/power/ \ 706 drivers/power/domain/ \ 707 drivers/power/fuel_gauge/ \ 708 drivers/power/mfd/ \ 709 drivers/power/pmic/ \ 710 drivers/power/battery/ \ 711 drivers/power/regulator/ 712 libs-y += drivers/spi/ 713 libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 714 libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 715 libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/ 716 libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ 717 libs-y += drivers/serial/ 718 libs-y += drivers/usb/dwc3/ 719 libs-y += drivers/usb/common/ 720 libs-y += drivers/usb/emul/ 721 libs-y += drivers/usb/eth/ 722 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/ 723 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/ 724 libs-y += drivers/usb/host/ 725 libs-y += drivers/usb/musb/ 726 libs-y += drivers/usb/musb-new/ 727 libs-y += drivers/usb/phy/ 728 libs-y += drivers/usb/ulpi/ 729 libs-y += cmd/ 730 libs-y += common/ 731 libs-y += env/ 732 libs-$(CONFIG_API) += api/ 733 libs-$(CONFIG_HAS_POST) += post/ 734 libs-$(CONFIG_UNIT_TEST) += test/ test/dm/ 735 libs-$(CONFIG_UT_ENV) += test/env/ 736 libs-$(CONFIG_UT_OVERLAY) += test/overlay/ 737 738 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 739 740 libs-y := $(sort $(libs-y)) 741 742 u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 743 744 u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 745 746 libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 747 748 u-boot-init := $(head-y) 749 u-boot-main := $(libs-y) 750 751 752 # Add GCC lib 753 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 754 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 755 else 756 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 757 endif 758 PLATFORM_LIBS += $(PLATFORM_LIBGCC) 759 760 ifdef CONFIG_CC_COVERAGE 761 KBUILD_CFLAGS += --coverage 762 PLATFORM_LIBGCC += -lgcov 763 endif 764 765 export PLATFORM_LIBS 766 export PLATFORM_LIBGCC 767 768 # Special flags for CPP when processing the linker script. 769 # Pass the version down so we can handle backwards compatibility 770 # on the fly. 771 LDPPFLAGS += \ 772 -include $(srctree)/include/u-boot/u-boot.lds.h \ 773 -DCPUDIR=$(CPUDIR) \ 774 $(shell $(LD) --version | \ 775 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 776 777 ######################################################################### 778 ######################################################################### 779 780 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 781 BOARD_SIZE_CHECK = \ 782 @actual=`wc -c $@ | awk '{print $$1}'`; \ 783 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 784 if test $$actual -gt $$limit; then \ 785 echo "$@ exceeds file size limit:" >&2 ; \ 786 echo " limit: $$limit bytes" >&2 ; \ 787 echo " actual: $$actual bytes" >&2 ; \ 788 echo " excess: $$((actual - limit)) bytes" >&2; \ 789 exit 1; \ 790 fi 791 else 792 BOARD_SIZE_CHECK = 793 endif 794 795 # Statically apply RELA-style relocations (currently arm64 only) 796 # This is useful for arm64 where static relocation needs to be performed on 797 # the raw binary, but certain simulators only accept an ELF file (but don't 798 # do the relocation). 799 ifneq ($(CONFIG_STATIC_RELA),) 800 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 801 DO_STATIC_RELA = \ 802 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 803 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 804 tools/relocate-rela $(2) $(3) $$start $$end 805 else 806 DO_STATIC_RELA = 807 endif 808 809 # Always append ALL so that arch config.mk's can add custom ones 810 ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check 811 812 ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 813 ifeq ($(CONFIG_SPL_FSL_PBL),y) 814 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 815 else 816 ifneq ($(CONFIG_SECURE_BOOT), y) 817 # For Secure Boot The Image needs to be signed and Header must also 818 # be included. So The image has to be built explicitly 819 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 820 endif 821 endif 822 ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 823 ifeq ($(CONFIG_MX6)$(CONFIG_SECURE_BOOT), yy) 824 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 825 else 826 ifeq ($(CONFIG_MX7)$(CONFIG_SECURE_BOOT), yy) 827 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 828 else 829 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 830 endif 831 endif 832 ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 833 ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 834 ifeq ($(CONFIG_SPL_FRAMEWORK),y) 835 ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 836 endif 837 ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 838 ifneq ($(CONFIG_SPL_TARGET),) 839 ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 840 endif 841 ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 842 ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 843 ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 844 845 ifneq ($(BUILD_ROM)$(CONFIG_BUILD_ROM),) 846 ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 847 endif 848 849 # Build a combined spl + u-boot image for sunxi 850 ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy) 851 ALL-y += u-boot-sunxi-with-spl.bin 852 endif 853 854 # enable combined SPL/u-boot/dtb rules for tegra 855 ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 856 ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 857 ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 858 endif 859 860 ALL-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin 861 862 # Add optional build target if defined in board/cpu/soc headers 863 ifneq ($(CONFIG_BUILD_TARGET),) 864 ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 865 endif 866 867 ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),) 868 ALL-y += init_sp_bss_offset_check 869 endif 870 871 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 872 ALL-y += u-boot-with-dtb.bin 873 endif 874 875 LDFLAGS_u-boot += $(LDFLAGS_FINAL) 876 877 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. 878 LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker) 879 880 ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),) 881 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 882 endif 883 884 # Normally we fill empty space with 0xff 885 quiet_cmd_objcopy = OBJCOPY $@ 886 cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 887 $(OBJCOPYFLAGS_$(@F)) $< $@ 888 889 # Provide a version which does not do this, for use by EFI 890 quiet_cmd_zobjcopy = OBJCOPY $@ 891 cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 892 893 quiet_cmd_efipayload = OBJCOPY $@ 894 cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 895 896 MKIMAGEOUTPUT ?= /dev/null 897 898 quiet_cmd_mkimage = MKIMAGE $@ 899 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 900 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 901 902 quiet_cmd_mkfitimage = MKIMAGE $@ 903 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@\ 904 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 905 906 quiet_cmd_cat = CAT $@ 907 cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 908 909 append = cat $(filter-out $< $(PHONY), $^) >> $@ 910 911 quiet_cmd_pad_cat = CAT $@ 912 cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 913 914 cfg: u-boot.cfg 915 916 quiet_cmd_cfgcheck = CFGCHK $2 917 cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \ 918 $(srctree)/scripts/config_whitelist.txt $(srctree) 919 920 all: $(ALL-y) 921 ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y) 922 @echo >&2 "===================== WARNING ======================" 923 @echo >&2 "This board uses CONFIG_DM_I2C_COMPAT. Please remove" 924 @echo >&2 "(possibly in a subsequent patch in your series)" 925 @echo >&2 "before sending patches to the mailing list." 926 @echo >&2 "====================================================" 927 endif 928 ifeq ($(CONFIG_MMC),y) 929 ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 930 @echo >&2 "===================== WARNING ======================" 931 @echo >&2 "This board does not use CONFIG_DM_MMC. Please update" 932 @echo >&2 "the board to use CONFIG_DM_MMC before the v2019.04 release." 933 @echo >&2 "Failure to update by the deadline may result in board removal." 934 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 935 @echo >&2 "====================================================" 936 endif 937 endif 938 ifeq ($(CONFIG_USB),y) 939 ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 940 @echo >&2 "===================== WARNING ======================" 941 @echo >&2 "This board does not use CONFIG_DM_USB. Please update" 942 @echo >&2 "the board to use CONFIG_DM_USB before the v2019.07 release." 943 @echo >&2 "Failure to update by the deadline may result in board removal." 944 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 945 @echo >&2 "====================================================" 946 endif 947 endif 948 ifeq ($(CONFIG_LIBATA)$(CONFIG_MVSATA_IDE),y) 949 ifneq ($(CONFIG_DM_SCSI),y) 950 @echo >&2 "===================== WARNING ======================" 951 @echo >&2 "This board does not use CONFIG_DM_SCSI. Please update" 952 @echo >&2 "the storage controller to use CONFIG_DM_SCSI before the v2019.07 release." 953 @echo >&2 "Failure to update by the deadline may result in board removal." 954 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 955 @echo >&2 "====================================================" 956 endif 957 endif 958 ifeq ($(CONFIG_PCI),y) 959 ifneq ($(CONFIG_DM_PCI),y) 960 @echo >&2 "===================== WARNING ======================" 961 @echo >&2 "This board does not use CONFIG_DM_PCI Please update" 962 @echo >&2 "the board to use CONFIG_DM_PCI before the v2019.07 release." 963 @echo >&2 "Failure to update by the deadline may result in board removal." 964 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 965 @echo >&2 "====================================================" 966 endif 967 endif 968 ifneq ($(CONFIG_LCD)$(CONFIG_VIDEO),) 969 ifneq ($(CONFIG_DM_VIDEO),y) 970 @echo >&2 "===================== WARNING ======================" 971 @echo >&2 "This board does not use CONFIG_DM_VIDEO Please update" 972 @echo >&2 "the board to use CONFIG_DM_VIDEO before the v2019.07 release." 973 @echo >&2 "Failure to update by the deadline may result in board removal." 974 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 975 @echo >&2 "====================================================" 976 endif 977 endif 978 ifeq ($(CONFIG_OF_EMBED),y) 979 @echo >&2 "===================== WARNING ======================" 980 @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only" 981 @echo >&2 "be used for debugging purposes. Please use" 982 @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline." 983 @echo >&2 "See doc/README.fdt-control for more info." 984 @echo >&2 "====================================================" 985 endif 986 ifeq ($(CONFIG_SPI),y) 987 ifneq ($(CONFIG_DM_SPI)$(CONFIG_OF_CONTROL),yy) 988 @echo >&2 "===================== WARNING ======================" 989 @echo >&2 "This board does not use CONFIG_DM_SPI. Please update" 990 @echo >&2 "the board before v2019.04 for no dm conversion" 991 @echo >&2 "and v2019.07 for partially dm converted drivers." 992 @echo >&2 "Failure to update can lead to driver/board removal" 993 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 994 @echo >&2 "====================================================" 995 endif 996 endif 997 ifeq ($(CONFIG_SPI_FLASH),y) 998 ifneq ($(CONFIG_DM_SPI_FLASH)$(CONFIG_OF_CONTROL),yy) 999 @echo >&2 "===================== WARNING ======================" 1000 @echo >&2 "This board does not use CONFIG_DM_SPI_FLASH. Please update" 1001 @echo >&2 "the board to use CONFIG_SPI_FLASH before the v2019.07 release." 1002 @echo >&2 "Failure to update by the deadline may result in board removal." 1003 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1004 @echo >&2 "====================================================" 1005 endif 1006 endif 1007 @# Check that this build does not use CONFIG options that we do not 1008 @# know about unless they are in Kconfig. All the existing CONFIG 1009 @# options are whitelisted, so new ones should not be added. 1010 $(call cmd,cfgcheck,u-boot.cfg) 1011 1012 PHONY += dtbs 1013 dtbs: dts/dt.dtb 1014 @: 1015 dts/dt.dtb: u-boot 1016 $(Q)$(MAKE) $(build)=dts dtbs 1017 1018 quiet_cmd_copy = COPY $@ 1019 cmd_copy = cp $< $@ 1020 1021 ifeq ($(CONFIG_MULTI_DTB_FIT),y) 1022 1023 fit-dtb.blob: dts/dt.dtb FORCE 1024 $(call if_changed,mkimage) 1025 1026 MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1027 -a 0 -e 0 -E \ 1028 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null 1029 1030 u-boot-fit-dtb.bin: u-boot-nodtb.bin fit-dtb.blob 1031 $(call if_changed,cat) 1032 1033 u-boot.bin: u-boot-fit-dtb.bin FORCE 1034 $(call if_changed,copy) 1035 else ifeq ($(CONFIG_OF_SEPARATE),y) 1036 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 1037 $(call if_changed,cat) 1038 1039 u-boot.bin: u-boot-dtb.bin FORCE 1040 $(call if_changed,copy) 1041 else 1042 u-boot.bin: u-boot-nodtb.bin FORCE 1043 $(call if_changed,copy) 1044 endif 1045 1046 %.imx: %.bin 1047 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1048 1049 %.vyb: %.imx 1050 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@ 1051 1052 quiet_cmd_copy = COPY $@ 1053 cmd_copy = cp $< $@ 1054 1055 u-boot.dtb: dts/dt.dtb 1056 $(call cmd,copy) 1057 1058 OBJCOPYFLAGS_u-boot.hex := -O ihex 1059 1060 OBJCOPYFLAGS_u-boot.srec := -O srec 1061 1062 u-boot.hex u-boot.srec: u-boot FORCE 1063 $(call if_changed,objcopy) 1064 1065 OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec) 1066 1067 u-boot-elf.srec: u-boot.elf FORCE 1068 $(call if_changed,objcopy) 1069 1070 OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec) 1071 1072 spl/u-boot-spl.srec: spl/u-boot-spl FORCE 1073 $(call if_changed,objcopy) 1074 1075 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 1076 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \ 1077 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec) 1078 1079 OBJCOPYFLAGS_u-boot-spl.hex = $(OBJCOPYFLAGS_u-boot.hex) 1080 1081 spl/u-boot-spl.hex: spl/u-boot-spl FORCE 1082 $(call if_changed,objcopy) 1083 1084 binary_size_check: u-boot-nodtb.bin FORCE 1085 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 1086 map_size=$(shell cat u-boot.map | \ 1087 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 1088 | sed 's/0X//g' \ 1089 | bc); \ 1090 if [ "" != "$$map_size" ]; then \ 1091 if test $$map_size -ne $$file_size; then \ 1092 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 1093 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 1094 exit 1; \ 1095 fi \ 1096 fi 1097 1098 ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),) 1099 ifneq ($(CONFIG_SYS_MALLOC_F_LEN),) 1100 subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN))) 1101 else 1102 subtract_sys_malloc_f_len = true 1103 endif 1104 # The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is 1105 # so low that the DTB could probably use 90%+ of the available space, for 1106 # current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be 1107 # safe for now and tweak this later if space becomes tight. 1108 # A rejected alternative would be to check that some absolute minimum stack 1109 # space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is 1110 # deliberately build-specific, to take account of build-to-build stack usage 1111 # differences due to different feature sets, there is no common absolute value 1112 # to check against. 1113 init_sp_bss_offset_check: u-boot.dtb FORCE 1114 @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \ 1115 space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \ 1116 $(subtract_sys_malloc_f_len) ; \ 1117 quarter_space=$$(($${space} / 4)) ; \ 1118 if [ $${dtb_size} -gt $${quarter_space} ]; then \ 1119 echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \ 1120 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \ 1121 exit 1 ; \ 1122 fi 1123 endif 1124 1125 u-boot-nodtb.bin: u-boot FORCE 1126 $(call if_changed,objcopy) 1127 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 1128 $(BOARD_SIZE_CHECK) 1129 1130 u-boot.ldr: u-boot 1131 $(CREATE_LDR_ENV) 1132 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 1133 $(BOARD_SIZE_CHECK) 1134 1135 # binman 1136 # --------------------------------------------------------------------------- 1137 # Use 'make BINMAN_DEBUG=1' to enable debugging 1138 quiet_cmd_binman = BINMAN $@ 1139 cmd_binman = $(srctree)/tools/binman/binman -u -d u-boot.dtb -O . -m \ 1140 -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \ 1141 $(if $(BINMAN_DEBUG),-D) $(BINMAN_$(@F)) $< 1142 1143 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 1144 1145 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 1146 1147 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 1148 $(call if_changed,objcopy) 1149 1150 # 1151 # U-Boot entry point, needed for booting of full-blown U-Boot 1152 # from the SPL U-Boot version. 1153 # 1154 ifndef CONFIG_SYS_UBOOT_START 1155 CONFIG_SYS_UBOOT_START := 0 1156 endif 1157 1158 # Boards with more complex image requirments can provide an .its source file 1159 # or a generator script 1160 ifneq ($(CONFIG_SPL_FIT_SOURCE),"") 1161 U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE)) 1162 else 1163 ifneq ($(CONFIG_SPL_FIT_GENERATOR),"") 1164 U_BOOT_ITS := u-boot.its 1165 ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-imx/mkimage_fit_atf.sh") 1166 U_BOOT_ITS_DEPS += u-boot-nodtb.bin 1167 endif 1168 ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py") 1169 U_BOOT_ITS_DEPS += u-boot 1170 endif 1171 $(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE 1172 $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \ 1173 $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@ 1174 endif 1175 endif 1176 1177 ifdef CONFIG_SPL_LOAD_FIT 1178 MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1179 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1180 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \ 1181 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) 1182 else 1183 MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 1184 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1185 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1186 MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \ 1187 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1188 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1189 u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log 1190 CLEAN_FILES += u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log 1191 endif 1192 1193 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 1194 1195 MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1196 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 1197 1198 MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1199 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1200 $(if $(KEYDIR),-k $(KEYDIR)) 1201 1202 MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1203 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 1204 1205 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \ 1206 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin dts/dt.dtb,u-boot.bin) FORCE 1207 $(call if_changed,mkimage) 1208 $(BOARD_SIZE_CHECK) 1209 1210 ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y) 1211 MKIMAGEFLAGS_u-boot.itb = 1212 else 1213 MKIMAGEFLAGS_u-boot.itb = -E 1214 endif 1215 1216 u-boot.itb: u-boot-nodtb.bin dts/dt.dtb $(U_BOOT_ITS) FORCE 1217 $(call if_changed,mkfitimage) 1218 $(BOARD_SIZE_CHECK) 1219 1220 u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 1221 $(call if_changed,mkimage) 1222 1223 u-boot.sha1: u-boot.bin 1224 tools/ubsha1 u-boot.bin 1225 1226 u-boot.dis: u-boot 1227 $(OBJDUMP) -d $< > $@ 1228 1229 ifneq ($(CONFIG_SPL_PAYLOAD),) 1230 SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%) 1231 else 1232 SPL_PAYLOAD := u-boot.bin 1233 endif 1234 1235 OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 1236 --pad-to=$(CONFIG_SPL_PAD_TO) 1237 u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 1238 $(call if_changed,pad_cat) 1239 1240 ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy) 1241 MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 1242 1243 lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 1244 $(call if_changed,mkimage) 1245 1246 OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1247 1248 lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 1249 $(call if_changed,objcopy) 1250 1251 OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1252 1253 lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 1254 $(call if_changed,objcopy) 1255 1256 lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 1257 $(call if_changed,cat) 1258 1259 CLEAN_FILES += lpc32xx-* 1260 endif 1261 1262 OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 1263 --pad-to=$(CONFIG_TPL_PAD_TO) 1264 tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 1265 $(call if_changed,pad_cat) 1266 1267 SPL: spl/u-boot-spl.bin FORCE 1268 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1269 1270 ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y) 1271 flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE 1272 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1273 endif 1274 1275 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 1276 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1277 1278 MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 1279 1280 u-boot.ubl: u-boot-with-spl.bin FORCE 1281 $(call if_changed,mkimage) 1282 1283 MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 1284 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 1285 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 1286 spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 1287 $(call if_changed,mkimage) 1288 1289 OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1290 u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 1291 $(call if_changed,pad_cat) 1292 1293 u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 1294 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 1295 u-boot.sb: u-boot.bin spl/u-boot-spl.bin 1296 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 1297 1298 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 1299 # Both images are created using mkimage (crc etc), so that the ROM 1300 # bootloader can check its integrity. Padding needs to be done to the 1301 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image 1302 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 1303 # The resulting image containing both U-Boot images is called u-boot.spr 1304 MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 1305 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 1306 spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 1307 $(call if_changed,mkimage) 1308 1309 OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1310 --gap-fill=0xff 1311 u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1312 $(call if_changed,pad_cat) 1313 1314 ifneq ($(CONFIG_ARCH_SOCFPGA),) 1315 quiet_cmd_socboot = SOCBOOT $@ 1316 cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1317 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1318 u-boot.img > $@ || rm -f $@ 1319 u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1320 $(call if_changed,socboot) 1321 endif 1322 1323 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1324 u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \ 1325 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE 1326 $(call if_changed,binman) 1327 1328 ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y) 1329 OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec 1330 u-boot-br.bin: u-boot FORCE 1331 $(call if_changed,objcopy) 1332 endif 1333 endif 1334 1335 # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1336 # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1337 # the middle. This is handled by binman based on an image description in the 1338 # board's device tree. 1339 ifneq ($(CONFIG_X86_RESET_VECTOR),) 1340 rom: u-boot.rom FORCE 1341 1342 refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE 1343 $(call if_changed,copy) 1344 1345 quiet_cmd_ldr = LD $@ 1346 cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \ 1347 $(filter-out FORCE,$^) -o $@ 1348 1349 u-boot.rom: u-boot-x86-16bit.bin u-boot.bin \ 1350 $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \ 1351 $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE 1352 $(call if_changed,binman) 1353 1354 OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1355 u-boot-x86-16bit.bin: u-boot FORCE 1356 $(call if_changed,objcopy) 1357 endif 1358 1359 ifneq ($(CONFIG_ARCH_SUNXI),) 1360 ifeq ($(CONFIG_ARM64),) 1361 u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE 1362 $(call if_changed,binman) 1363 else 1364 u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.itb FORCE 1365 $(call if_changed,cat) 1366 endif 1367 endif 1368 1369 ifneq ($(CONFIG_TEGRA),) 1370 ifneq ($(CONFIG_BINMAN),) 1371 # Makes u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin 1372 %-dtb-tegra.bin %-tegra.bin %-nodtb-tegra.bin: \ 1373 spl/%-spl %.bin FORCE 1374 $(call if_changed,binman) 1375 else 1376 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1377 u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1378 $(call if_changed,pad_cat) 1379 1380 OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1381 u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1382 $(call if_changed,pad_cat) 1383 1384 u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1385 $(call if_changed,copy) 1386 endif # binman 1387 endif 1388 1389 OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1390 u-boot-app.efi: u-boot FORCE 1391 $(call if_changed,zobjcopy) 1392 1393 u-boot.bin.o: u-boot.bin FORCE 1394 $(call if_changed,efipayload) 1395 1396 u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1397 $(call if_changed_dep,cpp_lds) 1398 1399 # Rule to link the EFI payload which contains a stub and a U-Boot binary 1400 quiet_cmd_u-boot_payload ?= LD $@ 1401 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1402 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1403 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1404 $(addprefix arch/$(ARCH)/lib/,$(EFISTUB)) 1405 1406 u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1407 $(call if_changed,u-boot_payload) 1408 1409 OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1410 u-boot-payload.efi: u-boot-payload FORCE 1411 $(call if_changed,zobjcopy) 1412 1413 u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1414 $(call if_changed,cat) 1415 1416 #Add a target to create boot binary having SPL binary in PBI format 1417 #concatenated with u-boot binary. It is need by PowerPC SoC having 1418 #internal SRAM <= 512KB. 1419 MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1420 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1421 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1422 1423 spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1424 $(call if_changed,mkimage) 1425 1426 ifeq ($(ARCH),arm) 1427 UBOOT_BINLOAD := u-boot.img 1428 else 1429 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1430 UBOOT_BINLOAD := u-boot-with-dtb.bin 1431 else 1432 UBOOT_BINLOAD := u-boot.bin 1433 endif 1434 endif 1435 1436 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1437 --gap-fill=0xff 1438 1439 u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1440 $(call if_changed,pad_cat) 1441 1442 # PPC4xx needs the SPL at the end of the image, since the reset vector 1443 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1444 # and need to introduce a new build target with the full blown U-Boot 1445 # at the start padded up to the start of the SPL image. And then concat 1446 # the SPL image to the end. 1447 1448 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1449 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1450 u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1451 $(call if_changed,pad_cat) 1452 1453 # Create a new ELF from a raw binary file. 1454 ifndef PLATFORM_ELFENTRY 1455 PLATFORM_ELFENTRY = "_start" 1456 endif 1457 quiet_cmd_u-boot-elf ?= LD $@ 1458 cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \ 1459 --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \ 1460 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1461 u-boot.elf: u-boot.bin 1462 $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o 1463 $(call if_changed,u-boot-elf) 1464 1465 # MediaTek's ARM-based u-boot needs a header to contains its load address 1466 # which is parsed by the BootROM. 1467 # If the SPL build is enabled, the header will be added to the spl binary, 1468 # and the spl binary and the u-boot.img will be combined into one file. 1469 # Otherwise the header will be added to the u-boot.bin directly. 1470 1471 ifeq ($(CONFIG_SPL),y) 1472 spl/u-boot-spl-mtk.bin: spl/u-boot-spl 1473 1474 u-boot-mtk.bin: u-boot.dtb u-boot.img spl/u-boot-spl-mtk.bin FORCE 1475 $(call if_changed,binman) 1476 else 1477 MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \ 1478 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1479 -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))" 1480 1481 u-boot-mtk.bin: u-boot.bin FORCE 1482 $(call if_changed,mkimage) 1483 endif 1484 1485 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink) 1486 1487 # Rule to link u-boot 1488 # May be overridden by arch/$(ARCH)/config.mk 1489 quiet_cmd_u-boot__ ?= LD $@ 1490 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1491 -T u-boot.lds $(u-boot-init) \ 1492 --start-group $(u-boot-main) --end-group \ 1493 $(PLATFORM_LIBS) -Map u-boot.map; \ 1494 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) 1495 1496 quiet_cmd_smap = GEN common/system_map.o 1497 cmd_smap = \ 1498 smap=`$(call SYSTEM_MAP,u-boot) | \ 1499 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1500 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1501 -c $(srctree)/common/system_map.c -o common/system_map.o 1502 1503 u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1504 +$(call if_changed,u-boot__) 1505 ifeq ($(CONFIG_KALLSYMS),y) 1506 $(call cmd,smap) 1507 $(call cmd,u-boot__) common/system_map.o 1508 endif 1509 1510 ifeq ($(CONFIG_RISCV),y) 1511 @tools/prelink-riscv $@ 0 1512 endif 1513 1514 quiet_cmd_sym ?= SYM $@ 1515 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1516 u-boot.sym: u-boot FORCE 1517 $(call if_changed,sym) 1518 1519 # The actual objects are generated when descending, 1520 # make sure no implicit rule kicks in 1521 $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1522 1523 # Handle descending into subdirectories listed in $(vmlinux-dirs) 1524 # Preset locale variables to speed up the build process. Limit locale 1525 # tweaks to this spot to avoid wrong language settings when running 1526 # make menuconfig etc. 1527 # Error messages still appears in the original language 1528 1529 PHONY += $(u-boot-dirs) 1530 $(u-boot-dirs): prepare scripts 1531 $(Q)$(MAKE) $(build)=$@ 1532 1533 tools: prepare 1534 # The "tools" are needed early 1535 $(filter-out tools, $(u-boot-dirs)): tools 1536 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1537 # is "yes"), so compile examples after U-Boot is compiled. 1538 examples: $(filter-out examples, $(u-boot-dirs)) 1539 1540 define filechk_uboot.release 1541 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1542 endef 1543 1544 # Store (new) UBOOTRELEASE string in include/config/uboot.release 1545 include/config/uboot.release: include/config/auto.conf FORCE 1546 $(call filechk,uboot.release) 1547 1548 1549 # Things we need to do before we recursively start building the kernel 1550 # or the modules are listed in "prepare". 1551 # A multi level approach is used. prepareN is processed before prepareN-1. 1552 # archprepare is used in arch Makefiles and when processed asm symlink, 1553 # version.h and scripts_basic is processed / created. 1554 1555 # Listed in dependency order 1556 PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1557 1558 # prepare3 is used to check if we are building in a separate output directory, 1559 # and if so do: 1560 # 1) Check that make has not been executed in the kernel src $(srctree) 1561 prepare3: include/config/uboot.release 1562 ifneq ($(KBUILD_SRC),) 1563 @$(kecho) ' Using $(srctree) as source for U-Boot' 1564 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1565 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1566 echo >&2 " in the '$(srctree)' directory.";\ 1567 /bin/false; \ 1568 fi; 1569 endif 1570 1571 # prepare2 creates a makefile if using a separate output directory 1572 prepare2: prepare3 outputmakefile cfg 1573 1574 prepare1: prepare2 $(version_h) $(timestamp_h) \ 1575 include/config/auto.conf 1576 ifeq ($(wildcard $(LDSCRIPT)),) 1577 @echo >&2 " Could not find linker script." 1578 @/bin/false 1579 endif 1580 1581 ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y) 1582 prepare1: $(defaultenv_h) 1583 endif 1584 1585 archprepare: prepare1 scripts_basic 1586 1587 prepare0: archprepare FORCE 1588 $(Q)$(MAKE) $(build)=. 1589 1590 # All the preparing.. 1591 prepare: prepare0 1592 1593 # Generate some files 1594 # --------------------------------------------------------------------------- 1595 1596 define filechk_version.h 1597 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1598 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1599 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ 1600 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) 1601 endef 1602 1603 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1604 # The BSD date on the other hand behaves different and would produce errors 1605 # with the misused '-d' switch. Respect that and search a working date with 1606 # well known pre- and suffixes for the GNU variant of date. 1607 define filechk_timestamp.h 1608 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1609 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1610 DATE=""; \ 1611 for date in gdate date.gnu date; do \ 1612 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1613 done; \ 1614 if test -n "$${DATE}"; then \ 1615 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1616 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1617 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1618 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1619 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1620 else \ 1621 return 42; \ 1622 fi; \ 1623 else \ 1624 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1625 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1626 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1627 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1628 LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1629 fi) 1630 endef 1631 1632 define filechk_defaultenv.h 1633 (grep -v '^#' | \ 1634 grep -v '^$$' | \ 1635 tr '\n' '\0' | \ 1636 sed -e 's/\\\x0/\n/' | \ 1637 xxd -i ; echo ", 0x00" ; ) 1638 endef 1639 1640 $(version_h): include/config/uboot.release FORCE 1641 $(call filechk,version.h) 1642 1643 $(timestamp_h): $(srctree)/Makefile FORCE 1644 $(call filechk,timestamp.h) 1645 1646 $(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE 1647 $(call filechk,defaultenv.h) 1648 1649 # --------------------------------------------------------------------------- 1650 quiet_cmd_cpp_lds = LDS $@ 1651 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \ 1652 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $< 1653 1654 u-boot.lds: $(LDSCRIPT) prepare FORCE 1655 $(call if_changed_dep,cpp_lds) 1656 1657 spl/u-boot-spl.bin: spl/u-boot-spl 1658 @: 1659 spl/u-boot-spl: tools prepare \ 1660 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \ 1661 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb) 1662 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1663 1664 spl/sunxi-spl.bin: spl/u-boot-spl 1665 @: 1666 1667 spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin 1668 @: 1669 1670 spl/u-boot-spl.sfp: spl/u-boot-spl 1671 @: 1672 1673 spl/boot.bin: spl/u-boot-spl 1674 @: 1675 1676 tpl/u-boot-tpl.bin: tools prepare \ 1677 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) 1678 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1679 1680 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1681 1682 FIND := find 1683 FINDFLAGS := -L 1684 1685 tags ctags: 1686 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1687 -name '*.[chS]' -print` 1688 ln -s ctags tags 1689 1690 etags: 1691 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1692 -name '*.[chS]' -print` 1693 cscope: 1694 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1695 cscope.files 1696 cscope -b -q -k 1697 1698 SYSTEM_MAP = \ 1699 $(NM) $1 | \ 1700 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1701 LC_ALL=C sort 1702 System.map: u-boot 1703 @$(call SYSTEM_MAP,$<) > $@ 1704 1705 ######################################################################### 1706 1707 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1708 # R_AARCH64_RELATIVE (64-bit). 1709 checkarmreloc: u-boot 1710 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1711 grep R_A | sort -u`"; \ 1712 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1713 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1714 echo "$< contains unexpected relocations: $$RELOC"; \ 1715 false; \ 1716 fi 1717 1718 envtools: scripts_basic $(version_h) $(timestamp_h) 1719 $(Q)$(MAKE) $(build)=tools/env 1720 1721 tools-only: scripts_basic $(version_h) $(timestamp_h) 1722 $(Q)$(MAKE) $(build)=tools 1723 1724 tools-all: export HOST_TOOLS_ALL=y 1725 tools-all: envtools tools ; 1726 1727 cross_tools: export CROSS_BUILD_TOOLS=y 1728 cross_tools: tools ; 1729 1730 .PHONY : CHANGELOG 1731 CHANGELOG: 1732 git log --no-merges U-Boot-1_1_5.. | \ 1733 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1734 1735 ######################################################################### 1736 1737 ### 1738 # Cleaning is done on three levels. 1739 # make clean Delete most generated files 1740 # Leave enough to build external modules 1741 # make mrproper Delete the current configuration, and all generated files 1742 # make distclean Remove editor backup files, patch leftover files and the like 1743 1744 # Directories & files removed with 'make clean' 1745 CLEAN_DIRS += $(MODVERDIR) \ 1746 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1747 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1748 1749 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \ 1750 boot* u-boot* MLO* SPL System.map fit-dtb.blob 1751 1752 # Directories & files removed with 'make mrproper' 1753 MRPROPER_DIRS += include/config include/generated spl tpl \ 1754 .tmp_objdiff 1755 MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1756 ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1757 drivers/video/fonts/*.S 1758 1759 # clean - Delete most, but leave enough to build external modules 1760 # 1761 clean: rm-dirs := $(CLEAN_DIRS) 1762 clean: rm-files := $(CLEAN_FILES) 1763 1764 clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1765 1766 clean-dirs := $(addprefix _clean_, $(clean-dirs)) 1767 1768 PHONY += $(clean-dirs) clean archclean 1769 $(clean-dirs): 1770 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1771 1772 clean: $(clean-dirs) 1773 $(call cmd,rmdirs) 1774 $(call cmd,rmfiles) 1775 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1776 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1777 -o -name '*.ko.*' -o -name '*.su' \ 1778 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1779 -o -name '*.lex.c' -o -name '*.tab.[ch]' \ 1780 -o -name '*.symtypes' -o -name 'modules.order' \ 1781 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1782 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \ 1783 -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \ 1784 -type f -print | xargs rm -f 1785 1786 # mrproper - Delete all generated files, including .config 1787 # 1788 mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1789 mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1790 mrproper-dirs := $(addprefix _mrproper_,scripts) 1791 1792 PHONY += $(mrproper-dirs) mrproper archmrproper 1793 $(mrproper-dirs): 1794 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1795 1796 mrproper: clean $(mrproper-dirs) 1797 $(call cmd,rmdirs) 1798 $(call cmd,rmfiles) 1799 @rm -f arch/*/include/asm/arch 1800 1801 # distclean 1802 # 1803 PHONY += distclean 1804 1805 distclean: mrproper 1806 @find $(srctree) $(RCS_FIND_IGNORE) \ 1807 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1808 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1809 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1810 -o -name '*.pyc' \) \ 1811 -type f -print | xargs rm -f 1812 @rm -f boards.cfg CHANGELOG 1813 1814 backup: 1815 F=`basename $(srctree)` ; cd .. ; \ 1816 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1817 1818 help: 1819 @echo 'Cleaning targets:' 1820 @echo ' clean - Remove most generated files but keep the config' 1821 @echo ' mrproper - Remove all generated files + config + various backup files' 1822 @echo ' distclean - mrproper + remove editor backup and patch files' 1823 @echo '' 1824 @echo 'Configuration targets:' 1825 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1826 @echo '' 1827 @echo 'Test targets:' 1828 @echo '' 1829 @echo ' check - Run all automated tests that use sandbox' 1830 @echo ' qcheck - Run quick automated tests that use sandbox' 1831 @echo '' 1832 @echo 'Other generic targets:' 1833 @echo ' all - Build all necessary images depending on configuration' 1834 @echo ' tests - Build U-Boot for sandbox and run tests' 1835 @echo '* u-boot - Build the bare u-boot' 1836 @echo ' dir/ - Build all files in dir and below' 1837 @echo ' dir/file.[oisS] - Build specified target only' 1838 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1839 @echo ' (requires a recent binutils and recent build (System.map))' 1840 @echo ' tags/ctags - Generate ctags file for editors' 1841 @echo ' etags - Generate etags file for editors' 1842 @echo ' cscope - Generate cscope index' 1843 @echo ' ubootrelease - Output the release version string (use with make -s)' 1844 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1845 @echo " cfg - Don't build, just create the .cfg files" 1846 @echo " envtools - Build only the target-side environment tools" 1847 @echo '' 1848 @echo 'Static analysers' 1849 @echo ' checkstack - Generate a list of stack hogs' 1850 @echo ' coccicheck - Execute static code analysis with Coccinelle' 1851 @echo '' 1852 @echo 'Documentation targets:' 1853 @$(MAKE) -f $(srctree)/Documentation/Makefile dochelp 1854 @echo '' 1855 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1856 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1857 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1858 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1859 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1860 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1861 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1862 @echo ' 1: warnings which may be relevant and do not occur too often' 1863 @echo ' 2: warnings which occur quite often but may still be relevant' 1864 @echo ' 3: more obscure warnings, can most likely be ignored' 1865 @echo ' Multiple levels can be combined with W=12 or W=123' 1866 @echo '' 1867 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1868 @echo 'For further info see the ./README file' 1869 1870 tests check: 1871 $(srctree)/test/run 1872 1873 qcheck: 1874 $(srctree)/test/run quick 1875 1876 # Documentation targets 1877 # --------------------------------------------------------------------------- 1878 DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ 1879 linkcheckdocs dochelp refcheckdocs 1880 PHONY += $(DOC_TARGETS) 1881 $(DOC_TARGETS): scripts_basic FORCE 1882 $(Q)$(MAKE) $(build)=Documentation $@ 1883 1884 endif #ifeq ($(config-targets),1) 1885 endif #ifeq ($(mixed-targets),1) 1886 1887 PHONY += checkstack ubootrelease ubootversion 1888 1889 checkstack: 1890 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1891 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1892 1893 ubootrelease: 1894 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1895 1896 ubootversion: 1897 @echo $(UBOOTVERSION) 1898 1899 # Single targets 1900 # --------------------------------------------------------------------------- 1901 # Single targets are compatible with: 1902 # - build with mixed source and output 1903 # - build with separate output dir 'make O=...' 1904 # - external modules 1905 # 1906 # target-dir => where to store outputfile 1907 # build-dir => directory in kernel source tree to use 1908 1909 ifeq ($(KBUILD_EXTMOD),) 1910 build-dir = $(patsubst %/,%,$(dir $@)) 1911 target-dir = $(dir $@) 1912 else 1913 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1914 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1915 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1916 endif 1917 1918 %.s: %.c prepare scripts FORCE 1919 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1920 %.i: %.c prepare scripts FORCE 1921 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1922 %.o: %.c prepare scripts FORCE 1923 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1924 %.lst: %.c prepare scripts FORCE 1925 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1926 %.s: %.S prepare scripts FORCE 1927 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1928 %.o: %.S prepare scripts FORCE 1929 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1930 %.symtypes: %.c prepare scripts FORCE 1931 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1932 1933 # Modules 1934 /: prepare scripts FORCE 1935 $(cmd_crmodverdir) 1936 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1937 $(build)=$(build-dir) 1938 %/: prepare scripts FORCE 1939 $(cmd_crmodverdir) 1940 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1941 $(build)=$(build-dir) 1942 %.ko: prepare scripts FORCE 1943 $(cmd_crmodverdir) 1944 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1945 $(build)=$(build-dir) $(@:.ko=.o) 1946 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1947 1948 # Consistency checks 1949 # --------------------------------------------------------------------------- 1950 1951 PHONY += coccicheck 1952 1953 coccicheck: 1954 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ 1955 1956 # FIXME Should go into a make.lib or something 1957 # =========================================================================== 1958 1959 quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1960 cmd_rmdirs = rm -rf $(rm-dirs) 1961 1962 quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1963 cmd_rmfiles = rm -f $(rm-files) 1964 1965 # read all saved command lines 1966 1967 targets := $(wildcard $(sort $(targets))) 1968 cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1969 1970 ifneq ($(cmd_files),) 1971 $(cmd_files): ; # Do not try to update included dependency files 1972 include $(cmd_files) 1973 endif 1974 1975 endif # skip-makefile 1976 1977 PHONY += FORCE 1978 FORCE: 1979 1980 # Declare the contents of the .PHONY variable as phony. We keep that 1981 # information in a variable so we can use it in if_changed and friends. 1982 .PHONY: $(PHONY) 1983