1 # SPDX-License-Identifier: GPL-2.0+ 2 3 VERSION = 2019 4 PATCHLEVEL = 04 5 SUBLEVEL = 6 EXTRAVERSION = 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 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) 640 641 ifeq ($(cc-name),clang) 642 KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) 643 KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) 644 KBUILD_CFLAGS += $(call cc-disable-warning, gnu) 645 KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior) 646 endif 647 648 # turn jbsr into jsr for m68k 649 ifeq ($(ARCH),m68k) 650 ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 651 KBUILD_AFLAGS += -Wa,-gstabs,-S 652 endif 653 endif 654 655 # Prohibit date/time macros, which would make the build non-deterministic 656 KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 657 658 include scripts/Makefile.extrawarn 659 660 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 661 KBUILD_CPPFLAGS += $(KCPPFLAGS) 662 KBUILD_AFLAGS += $(KAFLAGS) 663 KBUILD_CFLAGS += $(KCFLAGS) 664 665 # Use UBOOTINCLUDE when you must reference the include/ directory. 666 # Needed to be compatible with the O= option 667 UBOOTINCLUDE := \ 668 -Iinclude \ 669 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 670 $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \ 671 $(if $(CONFIG_HAS_THUMB2),, \ 672 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 673 -I$(srctree)/arch/$(ARCH)/include \ 674 -include $(srctree)/include/linux/kconfig.h 675 676 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 677 CHECKFLAGS += $(NOSTDINC_FLAGS) 678 679 # FIX ME 680 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 681 $(NOSTDINC_FLAGS) 682 c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 683 684 ######################################################################### 685 # U-Boot objects....order is important (i.e. start must be first) 686 687 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 688 689 libs-y += lib/ 690 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 691 libs-$(CONFIG_OF_EMBED) += dts/ 692 libs-y += fs/ 693 libs-y += net/ 694 libs-y += disk/ 695 libs-y += drivers/ 696 libs-y += drivers/dma/ 697 libs-y += drivers/gpio/ 698 libs-y += drivers/i2c/ 699 libs-y += drivers/mtd/ 700 libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/raw/ 701 libs-y += drivers/mtd/onenand/ 702 libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 703 libs-y += drivers/mtd/spi/ 704 libs-y += drivers/net/ 705 libs-y += drivers/net/phy/ 706 libs-y += drivers/power/ \ 707 drivers/power/domain/ \ 708 drivers/power/fuel_gauge/ \ 709 drivers/power/mfd/ \ 710 drivers/power/pmic/ \ 711 drivers/power/battery/ \ 712 drivers/power/regulator/ 713 libs-y += drivers/spi/ 714 libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 715 libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 716 libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/ 717 libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ 718 libs-y += drivers/serial/ 719 libs-y += drivers/usb/dwc3/ 720 libs-y += drivers/usb/common/ 721 libs-y += drivers/usb/emul/ 722 libs-y += drivers/usb/eth/ 723 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/ 724 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/ 725 libs-y += drivers/usb/host/ 726 libs-y += drivers/usb/musb/ 727 libs-y += drivers/usb/musb-new/ 728 libs-y += drivers/usb/phy/ 729 libs-y += drivers/usb/ulpi/ 730 libs-y += cmd/ 731 libs-y += common/ 732 libs-y += env/ 733 libs-$(CONFIG_API) += api/ 734 libs-$(CONFIG_HAS_POST) += post/ 735 libs-$(CONFIG_UNIT_TEST) += test/ test/dm/ 736 libs-$(CONFIG_UT_ENV) += test/env/ 737 libs-$(CONFIG_UT_OVERLAY) += test/overlay/ 738 739 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 740 741 libs-y := $(sort $(libs-y)) 742 743 u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 744 745 u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 746 747 libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 748 749 u-boot-init := $(head-y) 750 u-boot-main := $(libs-y) 751 752 753 # Add GCC lib 754 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 755 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 756 else 757 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 758 endif 759 PLATFORM_LIBS += $(PLATFORM_LIBGCC) 760 761 ifdef CONFIG_CC_COVERAGE 762 KBUILD_CFLAGS += --coverage 763 PLATFORM_LIBGCC += -lgcov 764 endif 765 766 export PLATFORM_LIBS 767 export PLATFORM_LIBGCC 768 769 # Special flags for CPP when processing the linker script. 770 # Pass the version down so we can handle backwards compatibility 771 # on the fly. 772 LDPPFLAGS += \ 773 -include $(srctree)/include/u-boot/u-boot.lds.h \ 774 -DCPUDIR=$(CPUDIR) \ 775 $(shell $(LD) --version | \ 776 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 777 778 ######################################################################### 779 ######################################################################### 780 781 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 782 BOARD_SIZE_CHECK = \ 783 @actual=`wc -c $@ | awk '{print $$1}'`; \ 784 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 785 if test $$actual -gt $$limit; then \ 786 echo "$@ exceeds file size limit:" >&2 ; \ 787 echo " limit: $$limit bytes" >&2 ; \ 788 echo " actual: $$actual bytes" >&2 ; \ 789 echo " excess: $$((actual - limit)) bytes" >&2; \ 790 exit 1; \ 791 fi 792 else 793 BOARD_SIZE_CHECK = 794 endif 795 796 # Statically apply RELA-style relocations (currently arm64 only) 797 # This is useful for arm64 where static relocation needs to be performed on 798 # the raw binary, but certain simulators only accept an ELF file (but don't 799 # do the relocation). 800 ifneq ($(CONFIG_STATIC_RELA),) 801 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 802 DO_STATIC_RELA = \ 803 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 804 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 805 tools/relocate-rela $(2) $(3) $$start $$end 806 else 807 DO_STATIC_RELA = 808 endif 809 810 # Always append ALL so that arch config.mk's can add custom ones 811 ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check 812 813 ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 814 ifeq ($(CONFIG_SPL_FSL_PBL),y) 815 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 816 else 817 ifneq ($(CONFIG_SECURE_BOOT), y) 818 # For Secure Boot The Image needs to be signed and Header must also 819 # be included. So The image has to be built explicitly 820 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 821 endif 822 endif 823 ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 824 ifeq ($(CONFIG_MX6)$(CONFIG_SECURE_BOOT), yy) 825 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 826 else 827 ifeq ($(CONFIG_MX7)$(CONFIG_SECURE_BOOT), yy) 828 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 829 else 830 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 831 endif 832 endif 833 ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 834 ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 835 ifeq ($(CONFIG_SPL_FRAMEWORK),y) 836 ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 837 endif 838 ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 839 ifneq ($(CONFIG_SPL_TARGET),) 840 ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 841 endif 842 ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 843 ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 844 ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 845 846 ifneq ($(BUILD_ROM)$(CONFIG_BUILD_ROM),) 847 ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 848 endif 849 850 # Build a combined spl + u-boot image for sunxi 851 ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy) 852 ALL-y += u-boot-sunxi-with-spl.bin 853 endif 854 855 # enable combined SPL/u-boot/dtb rules for tegra 856 ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 857 ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 858 ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 859 endif 860 861 ALL-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin 862 863 # Add optional build target if defined in board/cpu/soc headers 864 ifneq ($(CONFIG_BUILD_TARGET),) 865 ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 866 endif 867 868 ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),) 869 ALL-y += init_sp_bss_offset_check 870 endif 871 872 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 873 ALL-y += u-boot-with-dtb.bin 874 endif 875 876 LDFLAGS_u-boot += $(LDFLAGS_FINAL) 877 878 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. 879 LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker) 880 881 # Avoid 'warning: u-boot-spl has a LOAD segment with RWX permissions' 882 LDFLAGS_u-boot += $(call ld-option,--no-warn-rwx-segments) 883 884 # Avoid 'missing .note.GNU-stack section implies executable stack' 885 LDFLAGS_u-boot += -z noexecstack 886 887 ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),) 888 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 889 endif 890 891 # Normally we fill empty space with 0xff 892 quiet_cmd_objcopy = OBJCOPY $@ 893 cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 894 $(OBJCOPYFLAGS_$(@F)) $< $@ 895 896 # Provide a version which does not do this, for use by EFI 897 quiet_cmd_zobjcopy = OBJCOPY $@ 898 cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 899 900 quiet_cmd_efipayload = OBJCOPY $@ 901 cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 902 903 MKIMAGEOUTPUT ?= /dev/null 904 905 quiet_cmd_mkimage = MKIMAGE $@ 906 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 907 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 908 909 quiet_cmd_mkfitimage = MKIMAGE $@ 910 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@\ 911 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 912 913 quiet_cmd_cat = CAT $@ 914 cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 915 916 append = cat $(filter-out $< $(PHONY), $^) >> $@ 917 918 quiet_cmd_pad_cat = CAT $@ 919 cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 920 921 cfg: u-boot.cfg 922 923 quiet_cmd_cfgcheck = CFGCHK $2 924 cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \ 925 $(srctree)/scripts/config_whitelist.txt $(srctree) 926 927 all: $(ALL-y) 928 ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y) 929 @echo >&2 "===================== WARNING ======================" 930 @echo >&2 "This board uses CONFIG_DM_I2C_COMPAT. Please remove" 931 @echo >&2 "(possibly in a subsequent patch in your series)" 932 @echo >&2 "before sending patches to the mailing list." 933 @echo >&2 "====================================================" 934 endif 935 ifeq ($(CONFIG_MMC),y) 936 ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 937 @echo >&2 "===================== WARNING ======================" 938 @echo >&2 "This board does not use CONFIG_DM_MMC. Please update" 939 @echo >&2 "the board to use CONFIG_DM_MMC before the v2019.04 release." 940 @echo >&2 "Failure to update by the deadline may result in board removal." 941 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 942 @echo >&2 "====================================================" 943 endif 944 endif 945 ifeq ($(CONFIG_USB),y) 946 ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 947 @echo >&2 "===================== WARNING ======================" 948 @echo >&2 "This board does not use CONFIG_DM_USB. Please update" 949 @echo >&2 "the board to use CONFIG_DM_USB before the v2019.07 release." 950 @echo >&2 "Failure to update by the deadline may result in board removal." 951 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 952 @echo >&2 "====================================================" 953 endif 954 endif 955 ifeq ($(CONFIG_LIBATA)$(CONFIG_MVSATA_IDE),y) 956 ifneq ($(CONFIG_DM_SCSI),y) 957 @echo >&2 "===================== WARNING ======================" 958 @echo >&2 "This board does not use CONFIG_DM_SCSI. Please update" 959 @echo >&2 "the storage controller to use CONFIG_DM_SCSI before the v2019.07 release." 960 @echo >&2 "Failure to update by the deadline may result in board removal." 961 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 962 @echo >&2 "====================================================" 963 endif 964 endif 965 ifeq ($(CONFIG_PCI),y) 966 ifneq ($(CONFIG_DM_PCI),y) 967 @echo >&2 "===================== WARNING ======================" 968 @echo >&2 "This board does not use CONFIG_DM_PCI Please update" 969 @echo >&2 "the board to use CONFIG_DM_PCI before the v2019.07 release." 970 @echo >&2 "Failure to update by the deadline may result in board removal." 971 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 972 @echo >&2 "====================================================" 973 endif 974 endif 975 ifneq ($(CONFIG_LCD)$(CONFIG_VIDEO),) 976 ifneq ($(CONFIG_DM_VIDEO),y) 977 @echo >&2 "===================== WARNING ======================" 978 @echo >&2 "This board does not use CONFIG_DM_VIDEO Please update" 979 @echo >&2 "the board to use CONFIG_DM_VIDEO before the v2019.07 release." 980 @echo >&2 "Failure to update by the deadline may result in board removal." 981 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 982 @echo >&2 "====================================================" 983 endif 984 endif 985 ifeq ($(CONFIG_OF_EMBED),y) 986 @echo >&2 "===================== WARNING ======================" 987 @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only" 988 @echo >&2 "be used for debugging purposes. Please use" 989 @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline." 990 @echo >&2 "See doc/README.fdt-control for more info." 991 @echo >&2 "====================================================" 992 endif 993 ifeq ($(CONFIG_SPI),y) 994 ifneq ($(CONFIG_DM_SPI)$(CONFIG_OF_CONTROL),yy) 995 @echo >&2 "===================== WARNING ======================" 996 @echo >&2 "This board does not use CONFIG_DM_SPI. Please update" 997 @echo >&2 "the board before v2019.04 for no dm conversion" 998 @echo >&2 "and v2019.07 for partially dm converted drivers." 999 @echo >&2 "Failure to update can lead to driver/board removal" 1000 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1001 @echo >&2 "====================================================" 1002 endif 1003 endif 1004 ifeq ($(CONFIG_SPI_FLASH),y) 1005 ifneq ($(CONFIG_DM_SPI_FLASH)$(CONFIG_OF_CONTROL),yy) 1006 @echo >&2 "===================== WARNING ======================" 1007 @echo >&2 "This board does not use CONFIG_DM_SPI_FLASH. Please update" 1008 @echo >&2 "the board to use CONFIG_SPI_FLASH before the v2019.07 release." 1009 @echo >&2 "Failure to update by the deadline may result in board removal." 1010 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 1011 @echo >&2 "====================================================" 1012 endif 1013 endif 1014 @# Check that this build does not use CONFIG options that we do not 1015 @# know about unless they are in Kconfig. All the existing CONFIG 1016 @# options are whitelisted, so new ones should not be added. 1017 $(call cmd,cfgcheck,u-boot.cfg) 1018 1019 PHONY += dtbs 1020 dtbs: dts/dt.dtb 1021 @: 1022 dts/dt.dtb: u-boot 1023 $(Q)$(MAKE) $(build)=dts dtbs 1024 1025 quiet_cmd_copy = COPY $@ 1026 cmd_copy = cp $< $@ 1027 1028 ifeq ($(CONFIG_MULTI_DTB_FIT),y) 1029 1030 fit-dtb.blob: dts/dt.dtb FORCE 1031 $(call if_changed,mkimage) 1032 1033 MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1034 -a 0 -e 0 -E \ 1035 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null 1036 1037 u-boot-fit-dtb.bin: u-boot-nodtb.bin fit-dtb.blob 1038 $(call if_changed,cat) 1039 1040 u-boot.bin: u-boot-fit-dtb.bin FORCE 1041 $(call if_changed,copy) 1042 else ifeq ($(CONFIG_OF_SEPARATE),y) 1043 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 1044 $(call if_changed,cat) 1045 1046 u-boot.bin: u-boot-dtb.bin FORCE 1047 $(call if_changed,copy) 1048 else 1049 u-boot.bin: u-boot-nodtb.bin FORCE 1050 $(call if_changed,copy) 1051 endif 1052 1053 %.imx: %.bin 1054 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1055 1056 %.vyb: %.imx 1057 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@ 1058 1059 quiet_cmd_copy = COPY $@ 1060 cmd_copy = cp $< $@ 1061 1062 u-boot.dtb: dts/dt.dtb 1063 $(call cmd,copy) 1064 1065 OBJCOPYFLAGS_u-boot.hex := -O ihex 1066 1067 OBJCOPYFLAGS_u-boot.srec := -O srec 1068 1069 u-boot.hex u-boot.srec: u-boot FORCE 1070 $(call if_changed,objcopy) 1071 1072 OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec) 1073 1074 u-boot-elf.srec: u-boot.elf FORCE 1075 $(call if_changed,objcopy) 1076 1077 OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec) 1078 1079 spl/u-boot-spl.srec: spl/u-boot-spl FORCE 1080 $(call if_changed,objcopy) 1081 1082 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 1083 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \ 1084 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec) 1085 1086 OBJCOPYFLAGS_u-boot-spl.hex = $(OBJCOPYFLAGS_u-boot.hex) 1087 1088 spl/u-boot-spl.hex: spl/u-boot-spl FORCE 1089 $(call if_changed,objcopy) 1090 1091 binary_size_check: u-boot-nodtb.bin FORCE 1092 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 1093 map_size=$(shell cat u-boot.map | \ 1094 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 1095 | sed 's/0X//g' \ 1096 | bc); \ 1097 if [ "" != "$$map_size" ]; then \ 1098 if test $$map_size -ne $$file_size; then \ 1099 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 1100 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 1101 exit 1; \ 1102 fi \ 1103 fi 1104 1105 ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),) 1106 ifneq ($(CONFIG_SYS_MALLOC_F_LEN),) 1107 subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN))) 1108 else 1109 subtract_sys_malloc_f_len = true 1110 endif 1111 # The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is 1112 # so low that the DTB could probably use 90%+ of the available space, for 1113 # current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be 1114 # safe for now and tweak this later if space becomes tight. 1115 # A rejected alternative would be to check that some absolute minimum stack 1116 # space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is 1117 # deliberately build-specific, to take account of build-to-build stack usage 1118 # differences due to different feature sets, there is no common absolute value 1119 # to check against. 1120 init_sp_bss_offset_check: u-boot.dtb FORCE 1121 @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \ 1122 space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \ 1123 $(subtract_sys_malloc_f_len) ; \ 1124 quarter_space=$$(($${space} / 4)) ; \ 1125 if [ $${dtb_size} -gt $${quarter_space} ]; then \ 1126 echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \ 1127 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \ 1128 exit 1 ; \ 1129 fi 1130 endif 1131 1132 u-boot-nodtb.bin: u-boot FORCE 1133 $(call if_changed,objcopy) 1134 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 1135 $(BOARD_SIZE_CHECK) 1136 1137 u-boot.ldr: u-boot 1138 $(CREATE_LDR_ENV) 1139 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 1140 $(BOARD_SIZE_CHECK) 1141 1142 # binman 1143 # --------------------------------------------------------------------------- 1144 # Use 'make BINMAN_DEBUG=1' to enable debugging 1145 quiet_cmd_binman = BINMAN $@ 1146 cmd_binman = $(srctree)/tools/binman/binman -u -d u-boot.dtb -O . -m \ 1147 -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \ 1148 $(if $(BINMAN_DEBUG),-D) $(BINMAN_$(@F)) $< 1149 1150 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 1151 1152 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 1153 1154 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 1155 $(call if_changed,objcopy) 1156 1157 # 1158 # U-Boot entry point, needed for booting of full-blown U-Boot 1159 # from the SPL U-Boot version. 1160 # 1161 ifndef CONFIG_SYS_UBOOT_START 1162 CONFIG_SYS_UBOOT_START := 0 1163 endif 1164 1165 # Boards with more complex image requirments can provide an .its source file 1166 # or a generator script 1167 ifneq ($(CONFIG_SPL_FIT_SOURCE),"") 1168 U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE)) 1169 else 1170 ifneq ($(CONFIG_SPL_FIT_GENERATOR),"") 1171 U_BOOT_ITS := u-boot.its 1172 ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-imx/mkimage_fit_atf.sh") 1173 U_BOOT_ITS_DEPS += u-boot-nodtb.bin 1174 endif 1175 ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py") 1176 U_BOOT_ITS_DEPS += u-boot 1177 endif 1178 $(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE 1179 $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \ 1180 $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@ 1181 endif 1182 endif 1183 1184 ifdef CONFIG_SPL_LOAD_FIT 1185 MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1186 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1187 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \ 1188 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) 1189 else 1190 MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 1191 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1192 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1193 MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \ 1194 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1195 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1196 u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log 1197 CLEAN_FILES += u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log 1198 endif 1199 1200 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 1201 1202 MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1203 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 1204 1205 MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1206 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1207 $(if $(KEYDIR),-k $(KEYDIR)) 1208 1209 MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1210 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 1211 1212 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \ 1213 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin dts/dt.dtb,u-boot.bin) FORCE 1214 $(call if_changed,mkimage) 1215 $(BOARD_SIZE_CHECK) 1216 1217 ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y) 1218 MKIMAGEFLAGS_u-boot.itb = 1219 else 1220 MKIMAGEFLAGS_u-boot.itb = -E 1221 endif 1222 1223 u-boot.itb: u-boot-nodtb.bin dts/dt.dtb $(U_BOOT_ITS) FORCE 1224 $(call if_changed,mkfitimage) 1225 $(BOARD_SIZE_CHECK) 1226 1227 u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 1228 $(call if_changed,mkimage) 1229 1230 u-boot.sha1: u-boot.bin 1231 tools/ubsha1 u-boot.bin 1232 1233 u-boot.dis: u-boot 1234 $(OBJDUMP) -d $< > $@ 1235 1236 ifneq ($(CONFIG_SPL_PAYLOAD),) 1237 SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%) 1238 else 1239 SPL_PAYLOAD := u-boot.bin 1240 endif 1241 1242 OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 1243 --pad-to=$(CONFIG_SPL_PAD_TO) 1244 u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 1245 $(call if_changed,pad_cat) 1246 1247 ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy) 1248 MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 1249 1250 lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 1251 $(call if_changed,mkimage) 1252 1253 OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1254 1255 lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 1256 $(call if_changed,objcopy) 1257 1258 OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1259 1260 lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 1261 $(call if_changed,objcopy) 1262 1263 lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 1264 $(call if_changed,cat) 1265 1266 CLEAN_FILES += lpc32xx-* 1267 endif 1268 1269 OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 1270 --pad-to=$(CONFIG_TPL_PAD_TO) 1271 tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 1272 $(call if_changed,pad_cat) 1273 1274 SPL: spl/u-boot-spl.bin FORCE 1275 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1276 1277 ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y) 1278 flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE 1279 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1280 endif 1281 1282 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 1283 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1284 1285 MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 1286 1287 u-boot.ubl: u-boot-with-spl.bin FORCE 1288 $(call if_changed,mkimage) 1289 1290 MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 1291 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 1292 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 1293 spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 1294 $(call if_changed,mkimage) 1295 1296 OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1297 u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 1298 $(call if_changed,pad_cat) 1299 1300 u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 1301 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 1302 u-boot.sb: u-boot.bin spl/u-boot-spl.bin 1303 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 1304 1305 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 1306 # Both images are created using mkimage (crc etc), so that the ROM 1307 # bootloader can check its integrity. Padding needs to be done to the 1308 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image 1309 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 1310 # The resulting image containing both U-Boot images is called u-boot.spr 1311 MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 1312 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 1313 spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 1314 $(call if_changed,mkimage) 1315 1316 OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1317 --gap-fill=0xff 1318 u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1319 $(call if_changed,pad_cat) 1320 1321 ifneq ($(CONFIG_ARCH_SOCFPGA),) 1322 quiet_cmd_socboot = SOCBOOT $@ 1323 cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1324 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1325 u-boot.img > $@ || rm -f $@ 1326 u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1327 $(call if_changed,socboot) 1328 endif 1329 1330 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1331 u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \ 1332 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE 1333 $(call if_changed,binman) 1334 1335 ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y) 1336 OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec 1337 u-boot-br.bin: u-boot FORCE 1338 $(call if_changed,objcopy) 1339 endif 1340 endif 1341 1342 # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1343 # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1344 # the middle. This is handled by binman based on an image description in the 1345 # board's device tree. 1346 ifneq ($(CONFIG_X86_RESET_VECTOR),) 1347 rom: u-boot.rom FORCE 1348 1349 refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE 1350 $(call if_changed,copy) 1351 1352 quiet_cmd_ldr = LD $@ 1353 cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \ 1354 $(filter-out FORCE,$^) -o $@ 1355 1356 u-boot.rom: u-boot-x86-16bit.bin u-boot.bin \ 1357 $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \ 1358 $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE 1359 $(call if_changed,binman) 1360 1361 OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1362 u-boot-x86-16bit.bin: u-boot FORCE 1363 $(call if_changed,objcopy) 1364 endif 1365 1366 ifneq ($(CONFIG_ARCH_SUNXI),) 1367 ifeq ($(CONFIG_ARM64),) 1368 u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE 1369 $(call if_changed,binman) 1370 else 1371 u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.itb FORCE 1372 $(call if_changed,cat) 1373 endif 1374 endif 1375 1376 ifneq ($(CONFIG_TEGRA),) 1377 ifneq ($(CONFIG_BINMAN),) 1378 # Makes u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin 1379 %-dtb-tegra.bin %-tegra.bin %-nodtb-tegra.bin: \ 1380 spl/%-spl %.bin FORCE 1381 $(call if_changed,binman) 1382 else 1383 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1384 u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1385 $(call if_changed,pad_cat) 1386 1387 OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1388 u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1389 $(call if_changed,pad_cat) 1390 1391 u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1392 $(call if_changed,copy) 1393 endif # binman 1394 endif 1395 1396 OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1397 u-boot-app.efi: u-boot FORCE 1398 $(call if_changed,zobjcopy) 1399 1400 u-boot.bin.o: u-boot.bin FORCE 1401 $(call if_changed,efipayload) 1402 1403 u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1404 $(call if_changed_dep,cpp_lds) 1405 1406 # Rule to link the EFI payload which contains a stub and a U-Boot binary 1407 quiet_cmd_u-boot_payload ?= LD $@ 1408 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1409 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1410 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1411 $(addprefix arch/$(ARCH)/lib/,$(EFISTUB)) 1412 1413 u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1414 $(call if_changed,u-boot_payload) 1415 1416 OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1417 u-boot-payload.efi: u-boot-payload FORCE 1418 $(call if_changed,zobjcopy) 1419 1420 u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1421 $(call if_changed,cat) 1422 1423 #Add a target to create boot binary having SPL binary in PBI format 1424 #concatenated with u-boot binary. It is need by PowerPC SoC having 1425 #internal SRAM <= 512KB. 1426 MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1427 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1428 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1429 1430 spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1431 $(call if_changed,mkimage) 1432 1433 ifeq ($(ARCH),arm) 1434 UBOOT_BINLOAD := u-boot.img 1435 else 1436 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1437 UBOOT_BINLOAD := u-boot-with-dtb.bin 1438 else 1439 UBOOT_BINLOAD := u-boot.bin 1440 endif 1441 endif 1442 1443 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1444 --gap-fill=0xff 1445 1446 u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1447 $(call if_changed,pad_cat) 1448 1449 # PPC4xx needs the SPL at the end of the image, since the reset vector 1450 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1451 # and need to introduce a new build target with the full blown U-Boot 1452 # at the start padded up to the start of the SPL image. And then concat 1453 # the SPL image to the end. 1454 1455 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1456 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1457 u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1458 $(call if_changed,pad_cat) 1459 1460 # Create a new ELF from a raw binary file. 1461 ifndef PLATFORM_ELFENTRY 1462 PLATFORM_ELFENTRY = "_start" 1463 endif 1464 quiet_cmd_u-boot-elf ?= LD $@ 1465 cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \ 1466 --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \ 1467 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1468 u-boot.elf: u-boot.bin 1469 $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o 1470 $(call if_changed,u-boot-elf) 1471 1472 # MediaTek's ARM-based u-boot needs a header to contains its load address 1473 # which is parsed by the BootROM. 1474 # If the SPL build is enabled, the header will be added to the spl binary, 1475 # and the spl binary and the u-boot.img will be combined into one file. 1476 # Otherwise the header will be added to the u-boot.bin directly. 1477 1478 ifeq ($(CONFIG_SPL),y) 1479 spl/u-boot-spl-mtk.bin: spl/u-boot-spl 1480 1481 u-boot-mtk.bin: u-boot.dtb u-boot.img spl/u-boot-spl-mtk.bin FORCE 1482 $(call if_changed,binman) 1483 else 1484 MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \ 1485 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1486 -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))" 1487 1488 u-boot-mtk.bin: u-boot.bin FORCE 1489 $(call if_changed,mkimage) 1490 endif 1491 1492 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink) 1493 1494 # Rule to link u-boot 1495 # May be overridden by arch/$(ARCH)/config.mk 1496 quiet_cmd_u-boot__ ?= LD $@ 1497 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1498 -T u-boot.lds $(u-boot-init) \ 1499 --start-group $(u-boot-main) --end-group \ 1500 $(PLATFORM_LIBS) -Map u-boot.map; \ 1501 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) 1502 1503 quiet_cmd_smap = GEN common/system_map.o 1504 cmd_smap = \ 1505 smap=`$(call SYSTEM_MAP,u-boot) | \ 1506 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1507 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1508 -c $(srctree)/common/system_map.c -o common/system_map.o 1509 1510 u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1511 +$(call if_changed,u-boot__) 1512 ifeq ($(CONFIG_KALLSYMS),y) 1513 $(call cmd,smap) 1514 $(call cmd,u-boot__) common/system_map.o 1515 endif 1516 1517 ifeq ($(CONFIG_RISCV),y) 1518 @tools/prelink-riscv $@ 0 1519 endif 1520 1521 quiet_cmd_sym ?= SYM $@ 1522 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1523 u-boot.sym: u-boot FORCE 1524 $(call if_changed,sym) 1525 1526 # The actual objects are generated when descending, 1527 # make sure no implicit rule kicks in 1528 $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1529 1530 # Handle descending into subdirectories listed in $(vmlinux-dirs) 1531 # Preset locale variables to speed up the build process. Limit locale 1532 # tweaks to this spot to avoid wrong language settings when running 1533 # make menuconfig etc. 1534 # Error messages still appears in the original language 1535 1536 PHONY += $(u-boot-dirs) 1537 $(u-boot-dirs): prepare scripts 1538 $(Q)$(MAKE) $(build)=$@ 1539 1540 tools: prepare 1541 # The "tools" are needed early 1542 $(filter-out tools, $(u-boot-dirs)): tools 1543 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1544 # is "yes"), so compile examples after U-Boot is compiled. 1545 examples: $(filter-out examples, $(u-boot-dirs)) 1546 1547 define filechk_uboot.release 1548 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1549 endef 1550 1551 # Store (new) UBOOTRELEASE string in include/config/uboot.release 1552 include/config/uboot.release: include/config/auto.conf FORCE 1553 $(call filechk,uboot.release) 1554 1555 1556 # Things we need to do before we recursively start building the kernel 1557 # or the modules are listed in "prepare". 1558 # A multi level approach is used. prepareN is processed before prepareN-1. 1559 # archprepare is used in arch Makefiles and when processed asm symlink, 1560 # version.h and scripts_basic is processed / created. 1561 1562 # Listed in dependency order 1563 PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1564 1565 # prepare3 is used to check if we are building in a separate output directory, 1566 # and if so do: 1567 # 1) Check that make has not been executed in the kernel src $(srctree) 1568 prepare3: include/config/uboot.release 1569 ifneq ($(KBUILD_SRC),) 1570 @$(kecho) ' Using $(srctree) as source for U-Boot' 1571 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1572 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1573 echo >&2 " in the '$(srctree)' directory.";\ 1574 /bin/false; \ 1575 fi; 1576 endif 1577 1578 # prepare2 creates a makefile if using a separate output directory 1579 prepare2: prepare3 outputmakefile cfg 1580 1581 prepare1: prepare2 $(version_h) $(timestamp_h) \ 1582 include/config/auto.conf 1583 ifeq ($(wildcard $(LDSCRIPT)),) 1584 @echo >&2 " Could not find linker script." 1585 @/bin/false 1586 endif 1587 1588 ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y) 1589 prepare1: $(defaultenv_h) 1590 1591 envtools: $(defaultenv_h) 1592 endif 1593 1594 archprepare: prepare1 scripts_basic 1595 1596 prepare0: archprepare FORCE 1597 $(Q)$(MAKE) $(build)=. 1598 1599 # All the preparing.. 1600 prepare: prepare0 1601 1602 # Generate some files 1603 # --------------------------------------------------------------------------- 1604 1605 define filechk_version.h 1606 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1607 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1608 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ 1609 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) 1610 endef 1611 1612 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1613 # The BSD date on the other hand behaves different and would produce errors 1614 # with the misused '-d' switch. Respect that and search a working date with 1615 # well known pre- and suffixes for the GNU variant of date. 1616 define filechk_timestamp.h 1617 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1618 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1619 DATE=""; \ 1620 for date in gdate date.gnu date; do \ 1621 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1622 done; \ 1623 if test -n "$${DATE}"; then \ 1624 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1625 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1626 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1627 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1628 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1629 else \ 1630 return 42; \ 1631 fi; \ 1632 else \ 1633 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1634 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1635 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1636 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1637 LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1638 fi) 1639 endef 1640 1641 define filechk_defaultenv.h 1642 (grep -v '^#' | \ 1643 grep -v '^$$' | \ 1644 tr '\n' '\0' | \ 1645 sed -e 's/\\\x0/\n/' | \ 1646 xxd -i ; echo ", 0x00" ; ) 1647 endef 1648 1649 $(version_h): include/config/uboot.release FORCE 1650 $(call filechk,version.h) 1651 1652 $(timestamp_h): $(srctree)/Makefile FORCE 1653 $(call filechk,timestamp.h) 1654 1655 $(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE 1656 $(call filechk,defaultenv.h) 1657 1658 # --------------------------------------------------------------------------- 1659 quiet_cmd_cpp_lds = LDS $@ 1660 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \ 1661 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $< 1662 1663 u-boot.lds: $(LDSCRIPT) prepare FORCE 1664 $(call if_changed_dep,cpp_lds) 1665 1666 spl/u-boot-spl.bin: spl/u-boot-spl 1667 @: 1668 spl/u-boot-spl: tools prepare \ 1669 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \ 1670 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb) 1671 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1672 1673 spl/sunxi-spl.bin: spl/u-boot-spl 1674 @: 1675 1676 spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin 1677 @: 1678 1679 spl/u-boot-spl.sfp: spl/u-boot-spl 1680 @: 1681 1682 spl/boot.bin: spl/u-boot-spl 1683 @: 1684 1685 tpl/u-boot-tpl.bin: tools prepare \ 1686 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) 1687 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1688 1689 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1690 1691 FIND := find 1692 FINDFLAGS := -L 1693 1694 tags ctags: 1695 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1696 -name '*.[chS]' -print` 1697 ln -s ctags tags 1698 1699 etags: 1700 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1701 -name '*.[chS]' -print` 1702 cscope: 1703 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1704 cscope.files 1705 cscope -b -q -k 1706 1707 SYSTEM_MAP = \ 1708 $(NM) $1 | \ 1709 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1710 LC_ALL=C sort 1711 System.map: u-boot 1712 @$(call SYSTEM_MAP,$<) > $@ 1713 1714 ######################################################################### 1715 1716 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1717 # R_AARCH64_RELATIVE (64-bit). 1718 checkarmreloc: u-boot 1719 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1720 grep R_A | sort -u`"; \ 1721 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1722 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1723 echo "$< contains unexpected relocations: $$RELOC"; \ 1724 false; \ 1725 fi 1726 1727 envtools: scripts_basic $(version_h) $(timestamp_h) 1728 $(Q)$(MAKE) $(build)=tools/env 1729 1730 tools-only: scripts_basic $(version_h) $(timestamp_h) 1731 $(Q)$(MAKE) $(build)=tools 1732 1733 tools-all: export HOST_TOOLS_ALL=y 1734 tools-all: envtools tools ; 1735 1736 cross_tools: export CROSS_BUILD_TOOLS=y 1737 cross_tools: tools ; 1738 1739 .PHONY : CHANGELOG 1740 CHANGELOG: 1741 git log --no-merges U-Boot-1_1_5.. | \ 1742 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1743 1744 ######################################################################### 1745 1746 ### 1747 # Cleaning is done on three levels. 1748 # make clean Delete most generated files 1749 # Leave enough to build external modules 1750 # make mrproper Delete the current configuration, and all generated files 1751 # make distclean Remove editor backup files, patch leftover files and the like 1752 1753 # Directories & files removed with 'make clean' 1754 CLEAN_DIRS += $(MODVERDIR) \ 1755 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1756 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1757 1758 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \ 1759 boot* u-boot* MLO* SPL System.map fit-dtb.blob 1760 1761 # Directories & files removed with 'make mrproper' 1762 MRPROPER_DIRS += include/config include/generated spl tpl \ 1763 .tmp_objdiff 1764 MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1765 ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1766 drivers/video/fonts/*.S 1767 1768 # clean - Delete most, but leave enough to build external modules 1769 # 1770 clean: rm-dirs := $(CLEAN_DIRS) 1771 clean: rm-files := $(CLEAN_FILES) 1772 1773 clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1774 1775 clean-dirs := $(addprefix _clean_, $(clean-dirs)) 1776 1777 PHONY += $(clean-dirs) clean archclean 1778 $(clean-dirs): 1779 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1780 1781 clean: $(clean-dirs) 1782 $(call cmd,rmdirs) 1783 $(call cmd,rmfiles) 1784 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1785 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1786 -o -name '*.ko.*' -o -name '*.su' \ 1787 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1788 -o -name '*.lex.c' -o -name '*.tab.[ch]' \ 1789 -o -name '*.symtypes' -o -name 'modules.order' \ 1790 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1791 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \ 1792 -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \ 1793 -type f -print | xargs rm -f 1794 1795 # mrproper - Delete all generated files, including .config 1796 # 1797 mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1798 mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1799 mrproper-dirs := $(addprefix _mrproper_,scripts) 1800 1801 PHONY += $(mrproper-dirs) mrproper archmrproper 1802 $(mrproper-dirs): 1803 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1804 1805 mrproper: clean $(mrproper-dirs) 1806 $(call cmd,rmdirs) 1807 $(call cmd,rmfiles) 1808 @rm -f arch/*/include/asm/arch 1809 1810 # distclean 1811 # 1812 PHONY += distclean 1813 1814 distclean: mrproper 1815 @find $(srctree) $(RCS_FIND_IGNORE) \ 1816 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1817 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1818 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1819 -o -name '*.pyc' \) \ 1820 -type f -print | xargs rm -f 1821 @rm -f boards.cfg CHANGELOG 1822 1823 backup: 1824 F=`basename $(srctree)` ; cd .. ; \ 1825 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1826 1827 help: 1828 @echo 'Cleaning targets:' 1829 @echo ' clean - Remove most generated files but keep the config' 1830 @echo ' mrproper - Remove all generated files + config + various backup files' 1831 @echo ' distclean - mrproper + remove editor backup and patch files' 1832 @echo '' 1833 @echo 'Configuration targets:' 1834 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1835 @echo '' 1836 @echo 'Test targets:' 1837 @echo '' 1838 @echo ' check - Run all automated tests that use sandbox' 1839 @echo ' qcheck - Run quick automated tests that use sandbox' 1840 @echo '' 1841 @echo 'Other generic targets:' 1842 @echo ' all - Build all necessary images depending on configuration' 1843 @echo ' tests - Build U-Boot for sandbox and run tests' 1844 @echo '* u-boot - Build the bare u-boot' 1845 @echo ' dir/ - Build all files in dir and below' 1846 @echo ' dir/file.[oisS] - Build specified target only' 1847 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1848 @echo ' (requires a recent binutils and recent build (System.map))' 1849 @echo ' tags/ctags - Generate ctags file for editors' 1850 @echo ' etags - Generate etags file for editors' 1851 @echo ' cscope - Generate cscope index' 1852 @echo ' ubootrelease - Output the release version string (use with make -s)' 1853 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1854 @echo " cfg - Don't build, just create the .cfg files" 1855 @echo " envtools - Build only the target-side environment tools" 1856 @echo '' 1857 @echo 'Static analysers' 1858 @echo ' checkstack - Generate a list of stack hogs' 1859 @echo ' coccicheck - Execute static code analysis with Coccinelle' 1860 @echo '' 1861 @echo 'Documentation targets:' 1862 @$(MAKE) -f $(srctree)/Documentation/Makefile dochelp 1863 @echo '' 1864 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1865 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1866 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1867 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1868 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1869 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1870 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1871 @echo ' 1: warnings which may be relevant and do not occur too often' 1872 @echo ' 2: warnings which occur quite often but may still be relevant' 1873 @echo ' 3: more obscure warnings, can most likely be ignored' 1874 @echo ' Multiple levels can be combined with W=12 or W=123' 1875 @echo '' 1876 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1877 @echo 'For further info see the ./README file' 1878 1879 tests check: 1880 $(srctree)/test/run 1881 1882 qcheck: 1883 $(srctree)/test/run quick 1884 1885 # Documentation targets 1886 # --------------------------------------------------------------------------- 1887 DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ 1888 linkcheckdocs dochelp refcheckdocs 1889 PHONY += $(DOC_TARGETS) 1890 $(DOC_TARGETS): scripts_basic FORCE 1891 $(Q)$(MAKE) $(build)=Documentation $@ 1892 1893 endif #ifeq ($(config-targets),1) 1894 endif #ifeq ($(mixed-targets),1) 1895 1896 PHONY += checkstack ubootrelease ubootversion 1897 1898 checkstack: 1899 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1900 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1901 1902 ubootrelease: 1903 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1904 1905 ubootversion: 1906 @echo $(UBOOTVERSION) 1907 1908 # Single targets 1909 # --------------------------------------------------------------------------- 1910 # Single targets are compatible with: 1911 # - build with mixed source and output 1912 # - build with separate output dir 'make O=...' 1913 # - external modules 1914 # 1915 # target-dir => where to store outputfile 1916 # build-dir => directory in kernel source tree to use 1917 1918 ifeq ($(KBUILD_EXTMOD),) 1919 build-dir = $(patsubst %/,%,$(dir $@)) 1920 target-dir = $(dir $@) 1921 else 1922 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1923 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1924 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1925 endif 1926 1927 %.s: %.c prepare scripts FORCE 1928 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1929 %.i: %.c prepare scripts FORCE 1930 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1931 %.o: %.c prepare scripts FORCE 1932 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1933 %.lst: %.c prepare scripts FORCE 1934 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1935 %.s: %.S prepare scripts FORCE 1936 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1937 %.o: %.S prepare scripts FORCE 1938 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1939 %.symtypes: %.c prepare scripts FORCE 1940 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1941 1942 # Modules 1943 /: prepare scripts FORCE 1944 $(cmd_crmodverdir) 1945 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1946 $(build)=$(build-dir) 1947 %/: prepare scripts FORCE 1948 $(cmd_crmodverdir) 1949 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1950 $(build)=$(build-dir) 1951 %.ko: prepare scripts FORCE 1952 $(cmd_crmodverdir) 1953 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1954 $(build)=$(build-dir) $(@:.ko=.o) 1955 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1956 1957 # Consistency checks 1958 # --------------------------------------------------------------------------- 1959 1960 PHONY += coccicheck 1961 1962 coccicheck: 1963 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ 1964 1965 # FIXME Should go into a make.lib or something 1966 # =========================================================================== 1967 1968 quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1969 cmd_rmdirs = rm -rf $(rm-dirs) 1970 1971 quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1972 cmd_rmfiles = rm -f $(rm-files) 1973 1974 # read all saved command lines 1975 1976 targets := $(wildcard $(sort $(targets))) 1977 cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1978 1979 ifneq ($(cmd_files),) 1980 $(cmd_files): ; # Do not try to update included dependency files 1981 include $(cmd_files) 1982 endif 1983 1984 endif # skip-makefile 1985 1986 PHONY += FORCE 1987 FORCE: 1988 1989 # Declare the contents of the .PHONY variable as phony. We keep that 1990 # information in a variable so we can use it in if_changed and friends. 1991 .PHONY: $(PHONY) 1992