1 # SPDX-License-Identifier: GPL-2.0+ 2 3 VERSION = 2019 4 PATCHLEVEL = 04 5 SUBLEVEL = 6 EXTRAVERSION = -rc2 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 # Snow Leopards build environment has no longer restrictions as described above 295 HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 296 HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 297 HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 298 299 # since Lion (10.7) ASLR is on by default, but we use linker generated lists 300 # in some host tools which is a problem then ... so disable ASLR for these 301 # tools 302 HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie") 303 endif 304 305 # Decide whether to build built-in, modular, or both. 306 # Normally, just do built-in. 307 308 KBUILD_MODULES := 309 KBUILD_BUILTIN := 1 310 311 # If we have only "make modules", don't compile built-in objects. 312 # When we're building modules with modversions, we need to consider 313 # the built-in objects during the descend as well, in order to 314 # make sure the checksums are up to date before we record them. 315 316 ifeq ($(MAKECMDGOALS),modules) 317 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 318 endif 319 320 # If we have "make <whatever> modules", compile modules 321 # in addition to whatever we do anyway. 322 # Just "make" or "make all" shall build modules as well 323 324 # U-Boot does not need modules 325 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 326 # KBUILD_MODULES := 1 327 #endif 328 329 #ifeq ($(MAKECMDGOALS),) 330 # KBUILD_MODULES := 1 331 #endif 332 333 export KBUILD_MODULES KBUILD_BUILTIN 334 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 335 336 # We need some generic definitions (do not try to remake the file). 337 scripts/Kbuild.include: ; 338 include scripts/Kbuild.include 339 340 # Make variables (CC, etc...) 341 342 AS = $(CROSS_COMPILE)as 343 # Always use GNU ld 344 ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 345 LD = $(CROSS_COMPILE)ld.bfd 346 else 347 LD = $(CROSS_COMPILE)ld 348 endif 349 CC = $(CROSS_COMPILE)gcc 350 CPP = $(CC) -E 351 AR = $(CROSS_COMPILE)ar 352 NM = $(CROSS_COMPILE)nm 353 LDR = $(CROSS_COMPILE)ldr 354 STRIP = $(CROSS_COMPILE)strip 355 OBJCOPY = $(CROSS_COMPILE)objcopy 356 OBJDUMP = $(CROSS_COMPILE)objdump 357 LEX = flex 358 YACC = bison 359 AWK = awk 360 PERL = perl 361 PYTHON ?= python 362 PYTHON2 = python2 363 PYTHON3 = python3 364 DTC ?= $(objtree)/scripts/dtc/dtc 365 CHECK = sparse 366 367 CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 368 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 369 370 KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ 371 372 KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 373 -Wno-format-security \ 374 -fno-builtin -ffreestanding $(CSTD_FLAG) 375 KBUILD_CFLAGS += -fshort-wchar -fno-strict-aliasing 376 KBUILD_AFLAGS := -D__ASSEMBLY__ 377 378 # Don't generate position independent code 379 KBUILD_CFLAGS += $(call cc-option,-fno-PIE) 380 KBUILD_AFLAGS += $(call cc-option,-fno-PIE) 381 382 # Read UBOOTRELEASE from include/config/uboot.release (if it exists) 383 UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 384 UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 385 386 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 387 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 388 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 389 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 390 export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3 391 export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS 392 393 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 394 export KBUILD_CFLAGS KBUILD_AFLAGS 395 396 # When compiling out-of-tree modules, put MODVERDIR in the module 397 # tree rather than in the kernel tree. The kernel tree might 398 # even be read-only. 399 export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 400 401 # Files to ignore in find ... statements 402 403 export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 404 -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 405 -prune -o 406 export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 407 --exclude CVS --exclude .pc --exclude .hg --exclude .git 408 409 # =========================================================================== 410 # Rules shared between *config targets and build targets 411 412 # Basic helpers built in scripts/ 413 PHONY += scripts_basic 414 scripts_basic: 415 $(Q)$(MAKE) $(build)=scripts/basic 416 $(Q)rm -f .tmp_quiet_recordmcount 417 418 # To avoid any implicit rule to kick in, define an empty command. 419 scripts/basic/%: scripts_basic ; 420 421 PHONY += outputmakefile 422 # outputmakefile generates a Makefile in the output directory, if using a 423 # separate output directory. This allows convenient use of make in the 424 # output directory. 425 outputmakefile: 426 ifneq ($(KBUILD_SRC),) 427 $(Q)ln -fsn $(srctree) source 428 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 429 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 430 endif 431 432 # To make sure we do not include .config for any of the *config targets 433 # catch them early, and hand them over to scripts/kconfig/Makefile 434 # It is allowed to specify more targets when calling make, including 435 # mixing *config targets and build targets. 436 # For example 'make oldconfig all'. 437 # Detect when mixed targets is specified, and make a second invocation 438 # of make so .config is not included in this case either (for *config). 439 440 version_h := include/generated/version_autogenerated.h 441 timestamp_h := include/generated/timestamp_autogenerated.h 442 defaultenv_h := include/generated/defaultenv_autogenerated.h 443 444 no-dot-config-targets := clean clobber mrproper distclean \ 445 help %docs check% coccicheck \ 446 ubootversion backup tests check qcheck 447 448 config-targets := 0 449 mixed-targets := 0 450 dot-config := 1 451 452 ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 453 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 454 dot-config := 0 455 endif 456 endif 457 458 ifeq ($(KBUILD_EXTMOD),) 459 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 460 config-targets := 1 461 ifneq ($(words $(MAKECMDGOALS)),1) 462 mixed-targets := 1 463 endif 464 endif 465 endif 466 467 ifeq ($(mixed-targets),1) 468 # =========================================================================== 469 # We're called with mixed targets (*config and build targets). 470 # Handle them one by one. 471 472 PHONY += $(MAKECMDGOALS) __build_one_by_one 473 474 $(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one 475 @: 476 477 __build_one_by_one: 478 $(Q)set -e; \ 479 for i in $(MAKECMDGOALS); do \ 480 $(MAKE) -f $(srctree)/Makefile $$i; \ 481 done 482 483 else 484 ifeq ($(config-targets),1) 485 # =========================================================================== 486 # *config targets only - make sure prerequisites are updated, and descend 487 # in scripts/kconfig to make the *config target 488 489 KBUILD_DEFCONFIG := sandbox_defconfig 490 export KBUILD_DEFCONFIG KBUILD_KCONFIG 491 492 config: scripts_basic outputmakefile FORCE 493 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 494 495 %config: scripts_basic outputmakefile FORCE 496 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 497 498 else 499 # =========================================================================== 500 # Build targets only - this includes vmlinux, arch specific targets, clean 501 # targets and others. In general all targets except *config targets. 502 503 # Additional helpers built in scripts/ 504 # Carefully list dependencies so we do not try to build scripts twice 505 # in parallel 506 PHONY += scripts 507 scripts: scripts_basic include/config/auto.conf 508 $(Q)$(MAKE) $(build)=$(@) 509 510 ifeq ($(dot-config),1) 511 # Read in config 512 -include include/config/auto.conf 513 514 # Read in dependencies to all Kconfig* files, make sure to run 515 # oldconfig if changes are detected. 516 -include include/config/auto.conf.cmd 517 518 # To avoid any implicit rule to kick in, define an empty command 519 $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; 520 521 # If .config is newer than include/config/auto.conf, someone tinkered 522 # with it and forgot to run make oldconfig. 523 # if auto.conf.cmd is missing then we are probably in a cleaned tree so 524 # we execute the config step to be sure to catch updated Kconfig files 525 include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd 526 $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig 527 @# If the following part fails, include/config/auto.conf should be 528 @# deleted so "make silentoldconfig" will be re-run on the next build. 529 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ 530 { rm -f include/config/auto.conf; false; } 531 @# include/config.h has been updated after "make silentoldconfig". 532 @# We need to touch include/config/auto.conf so it gets newer 533 @# than include/config.h. 534 @# Otherwise, 'make silentoldconfig' would be invoked twice. 535 $(Q)touch include/config/auto.conf 536 537 u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg: 538 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@) 539 540 -include include/autoconf.mk 541 -include include/autoconf.mk.dep 542 543 # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf 544 # is up-to-date. When we switch to a different board configuration, old CONFIG 545 # macros are still remaining in include/config/auto.conf. Without the following 546 # gimmick, wrong config.mk would be included leading nasty warnings/errors. 547 ifneq ($(wildcard $(KCONFIG_CONFIG)),) 548 ifneq ($(wildcard include/config/auto.conf),) 549 autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ 550 include/config/auto.conf) 551 ifeq ($(autoconf_is_old),) 552 include config.mk 553 include arch/$(ARCH)/Makefile 554 endif 555 endif 556 endif 557 558 # These are set by the arch-specific config.mk. Make sure they are exported 559 # so they can be used when building an EFI application. 560 export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib 561 export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib 562 export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib 563 export CFLAGS_EFI # Compiler flags to add when building EFI app 564 export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app 565 export EFI_TARGET # binutils target if EFI is natively supported 566 567 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 568 # that (or fail if absent). Otherwise, search for a linker script in a 569 # standard location. 570 571 ifndef LDSCRIPT 572 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 573 ifdef CONFIG_SYS_LDSCRIPT 574 # need to strip off double quotes 575 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 576 endif 577 endif 578 579 # If there is no specified link script, we look in a number of places for it 580 ifndef LDSCRIPT 581 ifeq ($(wildcard $(LDSCRIPT)),) 582 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 583 endif 584 ifeq ($(wildcard $(LDSCRIPT)),) 585 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 586 endif 587 ifeq ($(wildcard $(LDSCRIPT)),) 588 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 589 endif 590 endif 591 592 else 593 # Dummy target needed, because used as prerequisite 594 include/config/auto.conf: ; 595 endif # $(dot-config) 596 597 # 598 # Xtensa linker script cannot be preprocessed with -ansi because of 599 # preprocessor operations on strings that don't make C identifiers. 600 # 601 ifeq ($(CONFIG_XTENSA),) 602 LDPPFLAGS += -ansi 603 endif 604 605 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 606 KBUILD_CFLAGS += -Os 607 else 608 KBUILD_CFLAGS += -O2 609 endif 610 611 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 612 KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) 613 614 # change __FILE__ to the relative path from the srctree 615 KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) 616 617 KBUILD_CFLAGS += -g 618 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 619 # option to the assembler. 620 KBUILD_AFLAGS += -g 621 622 # Report stack usage if supported 623 # ARC tools based on GCC 7.1 has an issue with stack usage 624 # with naked functions, see commit message for more details 625 ifndef CONFIG_ARC 626 ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 627 KBUILD_CFLAGS += -fstack-usage 628 endif 629 endif 630 631 KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 632 ifeq ($(cc-name),clang) 633 KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) 634 KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) 635 KBUILD_CFLAGS += $(call cc-disable-warning, gnu) 636 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) 637 KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior) 638 endif 639 640 # turn jbsr into jsr for m68k 641 ifeq ($(ARCH),m68k) 642 ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 643 KBUILD_AFLAGS += -Wa,-gstabs,-S 644 endif 645 endif 646 647 # Prohibit date/time macros, which would make the build non-deterministic 648 KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 649 650 include scripts/Makefile.extrawarn 651 652 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 653 KBUILD_CPPFLAGS += $(KCPPFLAGS) 654 KBUILD_AFLAGS += $(KAFLAGS) 655 KBUILD_CFLAGS += $(KCFLAGS) 656 657 # Use UBOOTINCLUDE when you must reference the include/ directory. 658 # Needed to be compatible with the O= option 659 UBOOTINCLUDE := \ 660 -Iinclude \ 661 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 662 $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \ 663 $(if $(CONFIG_HAS_THUMB2),, \ 664 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 665 -I$(srctree)/arch/$(ARCH)/include \ 666 -include $(srctree)/include/linux/kconfig.h 667 668 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 669 CHECKFLAGS += $(NOSTDINC_FLAGS) 670 671 # FIX ME 672 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 673 $(NOSTDINC_FLAGS) 674 c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 675 676 ######################################################################### 677 # U-Boot objects....order is important (i.e. start must be first) 678 679 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 680 681 libs-y += lib/ 682 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 683 libs-$(CONFIG_OF_EMBED) += dts/ 684 libs-y += fs/ 685 libs-y += net/ 686 libs-y += disk/ 687 libs-y += drivers/ 688 libs-y += drivers/dma/ 689 libs-y += drivers/gpio/ 690 libs-y += drivers/i2c/ 691 libs-y += drivers/mtd/ 692 libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/raw/ 693 libs-y += drivers/mtd/onenand/ 694 libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 695 libs-y += drivers/mtd/spi/ 696 libs-y += drivers/net/ 697 libs-y += drivers/net/phy/ 698 libs-y += drivers/power/ \ 699 drivers/power/domain/ \ 700 drivers/power/fuel_gauge/ \ 701 drivers/power/mfd/ \ 702 drivers/power/pmic/ \ 703 drivers/power/battery/ \ 704 drivers/power/regulator/ 705 libs-y += drivers/spi/ 706 libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 707 libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 708 libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/ 709 libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ 710 libs-y += drivers/serial/ 711 libs-y += drivers/usb/dwc3/ 712 libs-y += drivers/usb/common/ 713 libs-y += drivers/usb/emul/ 714 libs-y += drivers/usb/eth/ 715 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/ 716 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/ 717 libs-y += drivers/usb/host/ 718 libs-y += drivers/usb/musb/ 719 libs-y += drivers/usb/musb-new/ 720 libs-y += drivers/usb/phy/ 721 libs-y += drivers/usb/ulpi/ 722 libs-y += cmd/ 723 libs-y += common/ 724 libs-y += env/ 725 libs-$(CONFIG_API) += api/ 726 libs-$(CONFIG_HAS_POST) += post/ 727 libs-$(CONFIG_UNIT_TEST) += test/ test/dm/ 728 libs-$(CONFIG_UT_ENV) += test/env/ 729 libs-$(CONFIG_UT_OVERLAY) += test/overlay/ 730 731 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 732 733 libs-y := $(sort $(libs-y)) 734 735 u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 736 737 u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 738 739 libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 740 741 u-boot-init := $(head-y) 742 u-boot-main := $(libs-y) 743 744 745 # Add GCC lib 746 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 747 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 748 else 749 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 750 endif 751 PLATFORM_LIBS += $(PLATFORM_LIBGCC) 752 753 ifdef CONFIG_CC_COVERAGE 754 KBUILD_CFLAGS += --coverage 755 PLATFORM_LIBGCC += -lgcov 756 endif 757 758 export PLATFORM_LIBS 759 export PLATFORM_LIBGCC 760 761 # Special flags for CPP when processing the linker script. 762 # Pass the version down so we can handle backwards compatibility 763 # on the fly. 764 LDPPFLAGS += \ 765 -include $(srctree)/include/u-boot/u-boot.lds.h \ 766 -DCPUDIR=$(CPUDIR) \ 767 $(shell $(LD) --version | \ 768 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 769 770 ######################################################################### 771 ######################################################################### 772 773 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 774 BOARD_SIZE_CHECK = \ 775 @actual=`wc -c $@ | awk '{print $$1}'`; \ 776 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 777 if test $$actual -gt $$limit; then \ 778 echo "$@ exceeds file size limit:" >&2 ; \ 779 echo " limit: $$limit bytes" >&2 ; \ 780 echo " actual: $$actual bytes" >&2 ; \ 781 echo " excess: $$((actual - limit)) bytes" >&2; \ 782 exit 1; \ 783 fi 784 else 785 BOARD_SIZE_CHECK = 786 endif 787 788 # Statically apply RELA-style relocations (currently arm64 only) 789 # This is useful for arm64 where static relocation needs to be performed on 790 # the raw binary, but certain simulators only accept an ELF file (but don't 791 # do the relocation). 792 ifneq ($(CONFIG_STATIC_RELA),) 793 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 794 DO_STATIC_RELA = \ 795 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 796 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 797 tools/relocate-rela $(2) $(3) $$start $$end 798 else 799 DO_STATIC_RELA = 800 endif 801 802 # Always append ALL so that arch config.mk's can add custom ones 803 ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check 804 805 ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 806 ifeq ($(CONFIG_SPL_FSL_PBL),y) 807 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 808 else 809 ifneq ($(CONFIG_SECURE_BOOT), y) 810 # For Secure Boot The Image needs to be signed and Header must also 811 # be included. So The image has to be built explicitly 812 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 813 endif 814 endif 815 ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 816 ifeq ($(CONFIG_MX6)$(CONFIG_SECURE_BOOT), yy) 817 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 818 else 819 ifeq ($(CONFIG_MX7)$(CONFIG_SECURE_BOOT), yy) 820 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img 821 else 822 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 823 endif 824 endif 825 ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 826 ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 827 ifeq ($(CONFIG_SPL_FRAMEWORK),y) 828 ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 829 endif 830 ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 831 ifneq ($(CONFIG_SPL_TARGET),) 832 ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 833 endif 834 ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 835 ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 836 ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 837 838 ifneq ($(BUILD_ROM)$(CONFIG_BUILD_ROM),) 839 ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 840 endif 841 842 # Build a combined spl + u-boot image for sunxi 843 ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy) 844 ALL-y += u-boot-sunxi-with-spl.bin 845 endif 846 847 # enable combined SPL/u-boot/dtb rules for tegra 848 ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 849 ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 850 ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 851 endif 852 853 ALL-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin 854 855 # Add optional build target if defined in board/cpu/soc headers 856 ifneq ($(CONFIG_BUILD_TARGET),) 857 ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 858 endif 859 860 ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),) 861 ALL-y += init_sp_bss_offset_check 862 endif 863 864 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 865 ALL-y += u-boot-with-dtb.bin 866 endif 867 868 LDFLAGS_u-boot += $(LDFLAGS_FINAL) 869 870 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. 871 LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker) 872 873 ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),) 874 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 875 endif 876 877 # Normally we fill empty space with 0xff 878 quiet_cmd_objcopy = OBJCOPY $@ 879 cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 880 $(OBJCOPYFLAGS_$(@F)) $< $@ 881 882 # Provide a version which does not do this, for use by EFI 883 quiet_cmd_zobjcopy = OBJCOPY $@ 884 cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 885 886 quiet_cmd_efipayload = OBJCOPY $@ 887 cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 888 889 MKIMAGEOUTPUT ?= /dev/null 890 891 quiet_cmd_mkimage = MKIMAGE $@ 892 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 893 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 894 895 quiet_cmd_mkfitimage = MKIMAGE $@ 896 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -E -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@\ 897 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) 898 899 quiet_cmd_cat = CAT $@ 900 cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 901 902 append = cat $(filter-out $< $(PHONY), $^) >> $@ 903 904 quiet_cmd_pad_cat = CAT $@ 905 cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 906 907 cfg: u-boot.cfg 908 909 quiet_cmd_cfgcheck = CFGCHK $2 910 cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \ 911 $(srctree)/scripts/config_whitelist.txt $(srctree) 912 913 all: $(ALL-y) 914 ifeq ($(CONFIG_DM_I2C_COMPAT)$(CONFIG_SANDBOX),y) 915 @echo >&2 "===================== WARNING ======================" 916 @echo >&2 "This board uses CONFIG_DM_I2C_COMPAT. Please remove" 917 @echo >&2 "(possibly in a subsequent patch in your series)" 918 @echo >&2 "before sending patches to the mailing list." 919 @echo >&2 "====================================================" 920 endif 921 ifeq ($(CONFIG_MMC),y) 922 ifneq ($(CONFIG_DM_MMC)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 923 @echo >&2 "===================== WARNING ======================" 924 @echo >&2 "This board does not use CONFIG_DM_MMC. Please update" 925 @echo >&2 "the board to use CONFIG_DM_MMC before the v2019.04 release." 926 @echo >&2 "Failure to update by the deadline may result in board removal." 927 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 928 @echo >&2 "====================================================" 929 endif 930 endif 931 ifeq ($(CONFIG_USB),y) 932 ifneq ($(CONFIG_DM_USB)$(CONFIG_OF_CONTROL)$(CONFIG_BLK),yyy) 933 @echo >&2 "===================== WARNING ======================" 934 @echo >&2 "This board does not use CONFIG_DM_USB. Please update" 935 @echo >&2 "the board to use CONFIG_DM_USB before the v2019.07 release." 936 @echo >&2 "Failure to update by the deadline may result in board removal." 937 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 938 @echo >&2 "====================================================" 939 endif 940 endif 941 ifeq ($(CONFIG_LIBATA)$(CONFIG_MVSATA_IDE),y) 942 ifneq ($(CONFIG_DM_SCSI),y) 943 @echo >&2 "===================== WARNING ======================" 944 @echo >&2 "This board does not use CONFIG_DM_SCSI. Please update" 945 @echo >&2 "the storage controller to use CONFIG_DM_SCSI before the v2019.07 release." 946 @echo >&2 "Failure to update by the deadline may result in board removal." 947 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 948 @echo >&2 "====================================================" 949 endif 950 endif 951 ifeq ($(CONFIG_PCI),y) 952 ifneq ($(CONFIG_DM_PCI),y) 953 @echo >&2 "===================== WARNING ======================" 954 @echo >&2 "This board does not use CONFIG_DM_PCI Please update" 955 @echo >&2 "the board to use CONFIG_DM_PCI before the v2019.07 release." 956 @echo >&2 "Failure to update by the deadline may result in board removal." 957 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 958 @echo >&2 "====================================================" 959 endif 960 endif 961 ifneq ($(CONFIG_LCD)$(CONFIG_VIDEO),) 962 ifneq ($(CONFIG_DM_VIDEO),y) 963 @echo >&2 "===================== WARNING ======================" 964 @echo >&2 "This board does not use CONFIG_DM_VIDEO Please update" 965 @echo >&2 "the board to use CONFIG_DM_VIDEO before the v2019.07 release." 966 @echo >&2 "Failure to update by the deadline may result in board removal." 967 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 968 @echo >&2 "====================================================" 969 endif 970 endif 971 ifeq ($(CONFIG_OF_EMBED),y) 972 @echo >&2 "===================== WARNING ======================" 973 @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only" 974 @echo >&2 "be used for debugging purposes. Please use" 975 @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline." 976 @echo >&2 "See doc/README.fdt-control for more info." 977 @echo >&2 "====================================================" 978 endif 979 ifeq ($(CONFIG_SPI),y) 980 ifneq ($(CONFIG_DM_SPI)$(CONFIG_OF_CONTROL),yy) 981 @echo >&2 "===================== WARNING ======================" 982 @echo >&2 "This board does not use CONFIG_DM_SPI. Please update" 983 @echo >&2 "the board before v2019.04 for no dm conversion" 984 @echo >&2 "and v2019.07 for partially dm converted drivers." 985 @echo >&2 "Failure to update can lead to driver/board removal" 986 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 987 @echo >&2 "====================================================" 988 endif 989 endif 990 ifeq ($(CONFIG_SPI_FLASH),y) 991 ifneq ($(CONFIG_DM_SPI_FLASH)$(CONFIG_OF_CONTROL),yy) 992 @echo >&2 "===================== WARNING ======================" 993 @echo >&2 "This board does not use CONFIG_DM_SPI_FLASH. Please update" 994 @echo >&2 "the board to use CONFIG_SPI_FLASH before the v2019.07 release." 995 @echo >&2 "Failure to update by the deadline may result in board removal." 996 @echo >&2 "See doc/driver-model/MIGRATION.txt for more info." 997 @echo >&2 "====================================================" 998 endif 999 endif 1000 @# Check that this build does not use CONFIG options that we do not 1001 @# know about unless they are in Kconfig. All the existing CONFIG 1002 @# options are whitelisted, so new ones should not be added. 1003 $(call cmd,cfgcheck,u-boot.cfg) 1004 1005 PHONY += dtbs 1006 dtbs: dts/dt.dtb 1007 @: 1008 dts/dt.dtb: u-boot 1009 $(Q)$(MAKE) $(build)=dts dtbs 1010 1011 quiet_cmd_copy = COPY $@ 1012 cmd_copy = cp $< $@ 1013 1014 ifeq ($(CONFIG_MULTI_DTB_FIT),y) 1015 1016 fit-dtb.blob: dts/dt.dtb FORCE 1017 $(call if_changed,mkimage) 1018 1019 MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1020 -a 0 -e 0 -E \ 1021 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null 1022 1023 u-boot-fit-dtb.bin: u-boot-nodtb.bin fit-dtb.blob 1024 $(call if_changed,cat) 1025 1026 u-boot.bin: u-boot-fit-dtb.bin FORCE 1027 $(call if_changed,copy) 1028 else ifeq ($(CONFIG_OF_SEPARATE),y) 1029 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 1030 $(call if_changed,cat) 1031 1032 u-boot.bin: u-boot-dtb.bin FORCE 1033 $(call if_changed,copy) 1034 else 1035 u-boot.bin: u-boot-nodtb.bin FORCE 1036 $(call if_changed,copy) 1037 endif 1038 1039 %.imx: %.bin 1040 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1041 1042 %.vyb: %.imx 1043 $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@ 1044 1045 quiet_cmd_copy = COPY $@ 1046 cmd_copy = cp $< $@ 1047 1048 u-boot.dtb: dts/dt.dtb 1049 $(call cmd,copy) 1050 1051 OBJCOPYFLAGS_u-boot.hex := -O ihex 1052 1053 OBJCOPYFLAGS_u-boot.srec := -O srec 1054 1055 u-boot.hex u-boot.srec: u-boot FORCE 1056 $(call if_changed,objcopy) 1057 1058 OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec) 1059 1060 u-boot-elf.srec: u-boot.elf FORCE 1061 $(call if_changed,objcopy) 1062 1063 OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec) 1064 1065 spl/u-boot-spl.srec: spl/u-boot-spl FORCE 1066 $(call if_changed,objcopy) 1067 1068 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 1069 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \ 1070 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec) 1071 1072 OBJCOPYFLAGS_u-boot-spl.hex = $(OBJCOPYFLAGS_u-boot.hex) 1073 1074 spl/u-boot-spl.hex: spl/u-boot-spl FORCE 1075 $(call if_changed,objcopy) 1076 1077 binary_size_check: u-boot-nodtb.bin FORCE 1078 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 1079 map_size=$(shell cat u-boot.map | \ 1080 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 1081 | sed 's/0X//g' \ 1082 | bc); \ 1083 if [ "" != "$$map_size" ]; then \ 1084 if test $$map_size -ne $$file_size; then \ 1085 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 1086 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 1087 exit 1; \ 1088 fi \ 1089 fi 1090 1091 ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),) 1092 ifneq ($(CONFIG_SYS_MALLOC_F_LEN),) 1093 subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN))) 1094 else 1095 subtract_sys_malloc_f_len = true 1096 endif 1097 # The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is 1098 # so low that the DTB could probably use 90%+ of the available space, for 1099 # current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be 1100 # safe for now and tweak this later if space becomes tight. 1101 # A rejected alternative would be to check that some absolute minimum stack 1102 # space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is 1103 # deliberately build-specific, to take account of build-to-build stack usage 1104 # differences due to different feature sets, there is no common absolute value 1105 # to check against. 1106 init_sp_bss_offset_check: u-boot.dtb FORCE 1107 @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \ 1108 space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \ 1109 $(subtract_sys_malloc_f_len) ; \ 1110 quarter_space=$$(($${space} / 4)) ; \ 1111 if [ $${dtb_size} -gt $${quarter_space} ]; then \ 1112 echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \ 1113 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \ 1114 exit 1 ; \ 1115 fi 1116 endif 1117 1118 u-boot-nodtb.bin: u-boot FORCE 1119 $(call if_changed,objcopy) 1120 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 1121 $(BOARD_SIZE_CHECK) 1122 1123 u-boot.ldr: u-boot 1124 $(CREATE_LDR_ENV) 1125 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 1126 $(BOARD_SIZE_CHECK) 1127 1128 # binman 1129 # --------------------------------------------------------------------------- 1130 # Use 'make BINMAN_DEBUG=1' to enable debugging 1131 quiet_cmd_binman = BINMAN $@ 1132 cmd_binman = $(srctree)/tools/binman/binman -u -d u-boot.dtb -O . -m \ 1133 -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \ 1134 $(if $(BINMAN_DEBUG),-D) $(BINMAN_$(@F)) $< 1135 1136 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 1137 1138 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 1139 1140 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 1141 $(call if_changed,objcopy) 1142 1143 # 1144 # U-Boot entry point, needed for booting of full-blown U-Boot 1145 # from the SPL U-Boot version. 1146 # 1147 ifndef CONFIG_SYS_UBOOT_START 1148 CONFIG_SYS_UBOOT_START := 0 1149 endif 1150 1151 # Boards with more complex image requirments can provide an .its source file 1152 # or a generator script 1153 ifneq ($(CONFIG_SPL_FIT_SOURCE),"") 1154 U_BOOT_ITS = $(subst ",,$(CONFIG_SPL_FIT_SOURCE)) 1155 else 1156 ifneq ($(CONFIG_SPL_FIT_GENERATOR),"") 1157 U_BOOT_ITS := u-boot.its 1158 ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-imx/mkimage_fit_atf.sh") 1159 U_BOOT_ITS_DEPS += u-boot-nodtb.bin 1160 endif 1161 ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py") 1162 U_BOOT_ITS_DEPS += u-boot 1163 endif 1164 $(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE 1165 $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \ 1166 $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@ 1167 endif 1168 endif 1169 1170 ifdef CONFIG_SPL_LOAD_FIT 1171 MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ 1172 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1173 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \ 1174 $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) 1175 else 1176 MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 1177 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1178 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1179 MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \ 1180 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 1181 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 1182 u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log 1183 CLEAN_FILES += u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log 1184 endif 1185 1186 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 1187 1188 MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1189 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 1190 1191 MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 1192 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1193 $(if $(KEYDIR),-k $(KEYDIR)) 1194 1195 MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1196 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 1197 1198 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \ 1199 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin dts/dt.dtb,u-boot.bin) FORCE 1200 $(call if_changed,mkimage) 1201 $(BOARD_SIZE_CHECK) 1202 1203 u-boot.itb: u-boot-nodtb.bin dts/dt.dtb $(U_BOOT_ITS) FORCE 1204 $(call if_changed,mkfitimage) 1205 $(BOARD_SIZE_CHECK) 1206 1207 u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 1208 $(call if_changed,mkimage) 1209 1210 u-boot.sha1: u-boot.bin 1211 tools/ubsha1 u-boot.bin 1212 1213 u-boot.dis: u-boot 1214 $(OBJDUMP) -d $< > $@ 1215 1216 ifneq ($(CONFIG_SPL_PAYLOAD),) 1217 SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%) 1218 else 1219 SPL_PAYLOAD := u-boot.bin 1220 endif 1221 1222 OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 1223 --pad-to=$(CONFIG_SPL_PAD_TO) 1224 u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 1225 $(call if_changed,pad_cat) 1226 1227 ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy) 1228 MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 1229 1230 lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 1231 $(call if_changed,mkimage) 1232 1233 OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1234 1235 lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 1236 $(call if_changed,objcopy) 1237 1238 OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1239 1240 lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 1241 $(call if_changed,objcopy) 1242 1243 lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 1244 $(call if_changed,cat) 1245 1246 CLEAN_FILES += lpc32xx-* 1247 endif 1248 1249 OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 1250 --pad-to=$(CONFIG_TPL_PAD_TO) 1251 tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 1252 $(call if_changed,pad_cat) 1253 1254 SPL: spl/u-boot-spl.bin FORCE 1255 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1256 1257 ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y) 1258 flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE 1259 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1260 endif 1261 1262 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 1263 $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ 1264 1265 MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 1266 1267 u-boot.ubl: u-boot-with-spl.bin FORCE 1268 $(call if_changed,mkimage) 1269 1270 MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 1271 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 1272 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 1273 spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 1274 $(call if_changed,mkimage) 1275 1276 OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 1277 u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 1278 $(call if_changed,pad_cat) 1279 1280 u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 1281 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 1282 u-boot.sb: u-boot.bin spl/u-boot-spl.bin 1283 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 1284 1285 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 1286 # Both images are created using mkimage (crc etc), so that the ROM 1287 # bootloader can check its integrity. Padding needs to be done to the 1288 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image 1289 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 1290 # The resulting image containing both U-Boot images is called u-boot.spr 1291 MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 1292 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 1293 spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 1294 $(call if_changed,mkimage) 1295 1296 OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1297 --gap-fill=0xff 1298 u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1299 $(call if_changed,pad_cat) 1300 1301 ifneq ($(CONFIG_ARCH_SOCFPGA),) 1302 quiet_cmd_socboot = SOCBOOT $@ 1303 cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1304 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1305 u-boot.img > $@ || rm -f $@ 1306 u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1307 $(call if_changed,socboot) 1308 endif 1309 1310 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1311 u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \ 1312 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE 1313 $(call if_changed,binman) 1314 1315 ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y) 1316 OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec 1317 u-boot-br.bin: u-boot FORCE 1318 $(call if_changed,objcopy) 1319 endif 1320 endif 1321 1322 # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1323 # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1324 # the middle. This is handled by binman based on an image description in the 1325 # board's device tree. 1326 ifneq ($(CONFIG_X86_RESET_VECTOR),) 1327 rom: u-boot.rom FORCE 1328 1329 refcode.bin: $(srctree)/board/$(BOARDDIR)/refcode.bin FORCE 1330 $(call if_changed,copy) 1331 1332 quiet_cmd_ldr = LD $@ 1333 cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \ 1334 $(filter-out FORCE,$^) -o $@ 1335 1336 u-boot.rom: u-boot-x86-16bit.bin u-boot.bin \ 1337 $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \ 1338 $(if $(CONFIG_HAVE_REFCODE),refcode.bin) FORCE 1339 $(call if_changed,binman) 1340 1341 OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1342 u-boot-x86-16bit.bin: u-boot FORCE 1343 $(call if_changed,objcopy) 1344 endif 1345 1346 ifneq ($(CONFIG_ARCH_SUNXI),) 1347 ifeq ($(CONFIG_ARM64),) 1348 u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE 1349 $(call if_changed,binman) 1350 else 1351 u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.itb FORCE 1352 $(call if_changed,cat) 1353 endif 1354 endif 1355 1356 ifneq ($(CONFIG_TEGRA),) 1357 ifneq ($(CONFIG_BINMAN),) 1358 # Makes u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin 1359 %-dtb-tegra.bin %-tegra.bin %-nodtb-tegra.bin: \ 1360 spl/%-spl %.bin FORCE 1361 $(call if_changed,binman) 1362 else 1363 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1364 u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1365 $(call if_changed,pad_cat) 1366 1367 OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1368 u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1369 $(call if_changed,pad_cat) 1370 1371 u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1372 $(call if_changed,copy) 1373 endif # binman 1374 endif 1375 1376 OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1377 u-boot-app.efi: u-boot FORCE 1378 $(call if_changed,zobjcopy) 1379 1380 u-boot.bin.o: u-boot.bin FORCE 1381 $(call if_changed,efipayload) 1382 1383 u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1384 $(call if_changed_dep,cpp_lds) 1385 1386 # Rule to link the EFI payload which contains a stub and a U-Boot binary 1387 quiet_cmd_u-boot_payload ?= LD $@ 1388 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1389 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1390 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1391 $(addprefix arch/$(ARCH)/lib/,$(EFISTUB)) 1392 1393 u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1394 $(call if_changed,u-boot_payload) 1395 1396 OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1397 u-boot-payload.efi: u-boot-payload FORCE 1398 $(call if_changed,zobjcopy) 1399 1400 u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1401 $(call if_changed,cat) 1402 1403 #Add a target to create boot binary having SPL binary in PBI format 1404 #concatenated with u-boot binary. It is need by PowerPC SoC having 1405 #internal SRAM <= 512KB. 1406 MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1407 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1408 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1409 1410 spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1411 $(call if_changed,mkimage) 1412 1413 ifeq ($(ARCH),arm) 1414 UBOOT_BINLOAD := u-boot.img 1415 else 1416 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy) 1417 UBOOT_BINLOAD := u-boot-with-dtb.bin 1418 else 1419 UBOOT_BINLOAD := u-boot.bin 1420 endif 1421 endif 1422 1423 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1424 --gap-fill=0xff 1425 1426 u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1427 $(call if_changed,pad_cat) 1428 1429 # PPC4xx needs the SPL at the end of the image, since the reset vector 1430 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1431 # and need to introduce a new build target with the full blown U-Boot 1432 # at the start padded up to the start of the SPL image. And then concat 1433 # the SPL image to the end. 1434 1435 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1436 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1437 u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1438 $(call if_changed,pad_cat) 1439 1440 # Create a new ELF from a raw binary file. 1441 ifndef PLATFORM_ELFENTRY 1442 PLATFORM_ELFENTRY = "_start" 1443 endif 1444 quiet_cmd_u-boot-elf ?= LD $@ 1445 cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \ 1446 --defsym=$(PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \ 1447 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1448 u-boot.elf: u-boot.bin 1449 $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o 1450 $(call if_changed,u-boot-elf) 1451 1452 # MediaTek's ARM-based u-boot needs a header to contains its load address 1453 # which is parsed by the BootROM. 1454 # If the SPL build is enabled, the header will be added to the spl binary, 1455 # and the spl binary and the u-boot.img will be combined into one file. 1456 # Otherwise the header will be added to the u-boot.bin directly. 1457 1458 ifeq ($(CONFIG_SPL),y) 1459 spl/u-boot-spl-mtk.bin: spl/u-boot-spl 1460 1461 u-boot-mtk.bin: u-boot.dtb u-boot.img spl/u-boot-spl-mtk.bin FORCE 1462 $(call if_changed,binman) 1463 else 1464 MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \ 1465 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ 1466 -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))" 1467 1468 u-boot-mtk.bin: u-boot.bin FORCE 1469 $(call if_changed,mkimage) 1470 endif 1471 1472 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink) 1473 1474 # Rule to link u-boot 1475 # May be overridden by arch/$(ARCH)/config.mk 1476 quiet_cmd_u-boot__ ?= LD $@ 1477 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1478 -T u-boot.lds $(u-boot-init) \ 1479 --start-group $(u-boot-main) --end-group \ 1480 $(PLATFORM_LIBS) -Map u-boot.map; \ 1481 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) 1482 1483 quiet_cmd_smap = GEN common/system_map.o 1484 cmd_smap = \ 1485 smap=`$(call SYSTEM_MAP,u-boot) | \ 1486 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1487 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1488 -c $(srctree)/common/system_map.c -o common/system_map.o 1489 1490 u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1491 +$(call if_changed,u-boot__) 1492 ifeq ($(CONFIG_KALLSYMS),y) 1493 $(call cmd,smap) 1494 $(call cmd,u-boot__) common/system_map.o 1495 endif 1496 1497 ifeq ($(CONFIG_RISCV),y) 1498 @tools/prelink-riscv $@ 0 1499 endif 1500 1501 quiet_cmd_sym ?= SYM $@ 1502 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1503 u-boot.sym: u-boot FORCE 1504 $(call if_changed,sym) 1505 1506 # The actual objects are generated when descending, 1507 # make sure no implicit rule kicks in 1508 $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1509 1510 # Handle descending into subdirectories listed in $(vmlinux-dirs) 1511 # Preset locale variables to speed up the build process. Limit locale 1512 # tweaks to this spot to avoid wrong language settings when running 1513 # make menuconfig etc. 1514 # Error messages still appears in the original language 1515 1516 PHONY += $(u-boot-dirs) 1517 $(u-boot-dirs): prepare scripts 1518 $(Q)$(MAKE) $(build)=$@ 1519 1520 tools: prepare 1521 # The "tools" are needed early 1522 $(filter-out tools, $(u-boot-dirs)): tools 1523 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1524 # is "yes"), so compile examples after U-Boot is compiled. 1525 examples: $(filter-out examples, $(u-boot-dirs)) 1526 1527 define filechk_uboot.release 1528 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1529 endef 1530 1531 # Store (new) UBOOTRELEASE string in include/config/uboot.release 1532 include/config/uboot.release: include/config/auto.conf FORCE 1533 $(call filechk,uboot.release) 1534 1535 1536 # Things we need to do before we recursively start building the kernel 1537 # or the modules are listed in "prepare". 1538 # A multi level approach is used. prepareN is processed before prepareN-1. 1539 # archprepare is used in arch Makefiles and when processed asm symlink, 1540 # version.h and scripts_basic is processed / created. 1541 1542 # Listed in dependency order 1543 PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1544 1545 # prepare3 is used to check if we are building in a separate output directory, 1546 # and if so do: 1547 # 1) Check that make has not been executed in the kernel src $(srctree) 1548 prepare3: include/config/uboot.release 1549 ifneq ($(KBUILD_SRC),) 1550 @$(kecho) ' Using $(srctree) as source for U-Boot' 1551 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1552 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1553 echo >&2 " in the '$(srctree)' directory.";\ 1554 /bin/false; \ 1555 fi; 1556 endif 1557 1558 # prepare2 creates a makefile if using a separate output directory 1559 prepare2: prepare3 outputmakefile cfg 1560 1561 prepare1: prepare2 $(version_h) $(timestamp_h) \ 1562 include/config/auto.conf 1563 ifeq ($(wildcard $(LDSCRIPT)),) 1564 @echo >&2 " Could not find linker script." 1565 @/bin/false 1566 endif 1567 1568 ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y) 1569 prepare1: $(defaultenv_h) 1570 endif 1571 1572 archprepare: prepare1 scripts_basic 1573 1574 prepare0: archprepare FORCE 1575 $(Q)$(MAKE) $(build)=. 1576 1577 # All the preparing.. 1578 prepare: prepare0 1579 1580 # Generate some files 1581 # --------------------------------------------------------------------------- 1582 1583 define filechk_version.h 1584 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1585 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1586 echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ 1587 echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) 1588 endef 1589 1590 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1591 # The BSD date on the other hand behaves different and would produce errors 1592 # with the misused '-d' switch. Respect that and search a working date with 1593 # well known pre- and suffixes for the GNU variant of date. 1594 define filechk_timestamp.h 1595 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1596 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1597 DATE=""; \ 1598 for date in gdate date.gnu date; do \ 1599 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1600 done; \ 1601 if test -n "$${DATE}"; then \ 1602 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1603 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1604 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1605 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1606 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1607 else \ 1608 return 42; \ 1609 fi; \ 1610 else \ 1611 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1612 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1613 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1614 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1615 LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \ 1616 fi) 1617 endef 1618 1619 define filechk_defaultenv.h 1620 (grep -v '^#' | \ 1621 grep -v '^$$' | \ 1622 tr '\n' '\0' | \ 1623 sed -e 's/\\\x0/\n/' | \ 1624 xxd -i ; echo ", 0x00" ; ) 1625 endef 1626 1627 $(version_h): include/config/uboot.release FORCE 1628 $(call filechk,version.h) 1629 1630 $(timestamp_h): $(srctree)/Makefile FORCE 1631 $(call filechk,timestamp.h) 1632 1633 $(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE 1634 $(call filechk,defaultenv.h) 1635 1636 # --------------------------------------------------------------------------- 1637 quiet_cmd_cpp_lds = LDS $@ 1638 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \ 1639 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $< 1640 1641 u-boot.lds: $(LDSCRIPT) prepare FORCE 1642 $(call if_changed_dep,cpp_lds) 1643 1644 spl/u-boot-spl.bin: spl/u-boot-spl 1645 @: 1646 spl/u-boot-spl: tools prepare \ 1647 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \ 1648 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb) 1649 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1650 1651 spl/sunxi-spl.bin: spl/u-boot-spl 1652 @: 1653 1654 spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin 1655 @: 1656 1657 spl/u-boot-spl.sfp: spl/u-boot-spl 1658 @: 1659 1660 spl/boot.bin: spl/u-boot-spl 1661 @: 1662 1663 tpl/u-boot-tpl.bin: tools prepare \ 1664 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) 1665 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1666 1667 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1668 1669 FIND := find 1670 FINDFLAGS := -L 1671 1672 tags ctags: 1673 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1674 -name '*.[chS]' -print` 1675 ln -s ctags tags 1676 1677 etags: 1678 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1679 -name '*.[chS]' -print` 1680 cscope: 1681 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1682 cscope.files 1683 cscope -b -q -k 1684 1685 SYSTEM_MAP = \ 1686 $(NM) $1 | \ 1687 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1688 LC_ALL=C sort 1689 System.map: u-boot 1690 @$(call SYSTEM_MAP,$<) > $@ 1691 1692 ######################################################################### 1693 1694 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1695 # R_AARCH64_RELATIVE (64-bit). 1696 checkarmreloc: u-boot 1697 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1698 grep R_A | sort -u`"; \ 1699 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1700 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1701 echo "$< contains unexpected relocations: $$RELOC"; \ 1702 false; \ 1703 fi 1704 1705 envtools: scripts_basic $(version_h) $(timestamp_h) 1706 $(Q)$(MAKE) $(build)=tools/env 1707 1708 tools-only: scripts_basic $(version_h) $(timestamp_h) 1709 $(Q)$(MAKE) $(build)=tools 1710 1711 tools-all: export HOST_TOOLS_ALL=y 1712 tools-all: envtools tools ; 1713 1714 cross_tools: export CROSS_BUILD_TOOLS=y 1715 cross_tools: tools ; 1716 1717 .PHONY : CHANGELOG 1718 CHANGELOG: 1719 git log --no-merges U-Boot-1_1_5.. | \ 1720 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1721 1722 ######################################################################### 1723 1724 ### 1725 # Cleaning is done on three levels. 1726 # make clean Delete most generated files 1727 # Leave enough to build external modules 1728 # make mrproper Delete the current configuration, and all generated files 1729 # make distclean Remove editor backup files, patch leftover files and the like 1730 1731 # Directories & files removed with 'make clean' 1732 CLEAN_DIRS += $(MODVERDIR) \ 1733 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1734 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1735 1736 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \ 1737 boot* u-boot* MLO* SPL System.map fit-dtb.blob 1738 1739 # Directories & files removed with 'make mrproper' 1740 MRPROPER_DIRS += include/config include/generated spl tpl \ 1741 .tmp_objdiff 1742 MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1743 ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ 1744 drivers/video/fonts/*.S 1745 1746 # clean - Delete most, but leave enough to build external modules 1747 # 1748 clean: rm-dirs := $(CLEAN_DIRS) 1749 clean: rm-files := $(CLEAN_FILES) 1750 1751 clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1752 1753 clean-dirs := $(addprefix _clean_, $(clean-dirs)) 1754 1755 PHONY += $(clean-dirs) clean archclean 1756 $(clean-dirs): 1757 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1758 1759 clean: $(clean-dirs) 1760 $(call cmd,rmdirs) 1761 $(call cmd,rmfiles) 1762 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1763 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1764 -o -name '*.ko.*' -o -name '*.su' \ 1765 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1766 -o -name '*.lex.c' -o -name '*.tab.[ch]' \ 1767 -o -name '*.symtypes' -o -name 'modules.order' \ 1768 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1769 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \ 1770 -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \ 1771 -type f -print | xargs rm -f 1772 1773 # mrproper - Delete all generated files, including .config 1774 # 1775 mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1776 mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1777 mrproper-dirs := $(addprefix _mrproper_,scripts) 1778 1779 PHONY += $(mrproper-dirs) mrproper archmrproper 1780 $(mrproper-dirs): 1781 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1782 1783 mrproper: clean $(mrproper-dirs) 1784 $(call cmd,rmdirs) 1785 $(call cmd,rmfiles) 1786 @rm -f arch/*/include/asm/arch 1787 1788 # distclean 1789 # 1790 PHONY += distclean 1791 1792 distclean: mrproper 1793 @find $(srctree) $(RCS_FIND_IGNORE) \ 1794 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1795 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1796 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1797 -o -name '*.pyc' \) \ 1798 -type f -print | xargs rm -f 1799 @rm -f boards.cfg CHANGELOG 1800 1801 backup: 1802 F=`basename $(srctree)` ; cd .. ; \ 1803 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1804 1805 help: 1806 @echo 'Cleaning targets:' 1807 @echo ' clean - Remove most generated files but keep the config' 1808 @echo ' mrproper - Remove all generated files + config + various backup files' 1809 @echo ' distclean - mrproper + remove editor backup and patch files' 1810 @echo '' 1811 @echo 'Configuration targets:' 1812 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1813 @echo '' 1814 @echo 'Test targets:' 1815 @echo '' 1816 @echo ' check - Run all automated tests that use sandbox' 1817 @echo ' qcheck - Run quick automated tests that use sandbox' 1818 @echo '' 1819 @echo 'Other generic targets:' 1820 @echo ' all - Build all necessary images depending on configuration' 1821 @echo ' tests - Build U-Boot for sandbox and run tests' 1822 @echo '* u-boot - Build the bare u-boot' 1823 @echo ' dir/ - Build all files in dir and below' 1824 @echo ' dir/file.[oisS] - Build specified target only' 1825 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1826 @echo ' (requires a recent binutils and recent build (System.map))' 1827 @echo ' tags/ctags - Generate ctags file for editors' 1828 @echo ' etags - Generate etags file for editors' 1829 @echo ' cscope - Generate cscope index' 1830 @echo ' ubootrelease - Output the release version string (use with make -s)' 1831 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1832 @echo " cfg - Don't build, just create the .cfg files" 1833 @echo " envtools - Build only the target-side environment tools" 1834 @echo '' 1835 @echo 'Static analysers' 1836 @echo ' checkstack - Generate a list of stack hogs' 1837 @echo ' coccicheck - Execute static code analysis with Coccinelle' 1838 @echo '' 1839 @echo 'Documentation targets:' 1840 @$(MAKE) -f $(srctree)/Documentation/Makefile dochelp 1841 @echo '' 1842 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1843 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1844 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1845 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1846 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1847 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1848 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1849 @echo ' 1: warnings which may be relevant and do not occur too often' 1850 @echo ' 2: warnings which occur quite often but may still be relevant' 1851 @echo ' 3: more obscure warnings, can most likely be ignored' 1852 @echo ' Multiple levels can be combined with W=12 or W=123' 1853 @echo '' 1854 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1855 @echo 'For further info see the ./README file' 1856 1857 tests check: 1858 $(srctree)/test/run 1859 1860 qcheck: 1861 $(srctree)/test/run quick 1862 1863 # Documentation targets 1864 # --------------------------------------------------------------------------- 1865 DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ 1866 linkcheckdocs dochelp refcheckdocs 1867 PHONY += $(DOC_TARGETS) 1868 $(DOC_TARGETS): scripts_basic FORCE 1869 $(Q)$(MAKE) $(build)=Documentation $@ 1870 1871 endif #ifeq ($(config-targets),1) 1872 endif #ifeq ($(mixed-targets),1) 1873 1874 PHONY += checkstack ubootrelease ubootversion 1875 1876 checkstack: 1877 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1878 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1879 1880 ubootrelease: 1881 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1882 1883 ubootversion: 1884 @echo $(UBOOTVERSION) 1885 1886 # Single targets 1887 # --------------------------------------------------------------------------- 1888 # Single targets are compatible with: 1889 # - build with mixed source and output 1890 # - build with separate output dir 'make O=...' 1891 # - external modules 1892 # 1893 # target-dir => where to store outputfile 1894 # build-dir => directory in kernel source tree to use 1895 1896 ifeq ($(KBUILD_EXTMOD),) 1897 build-dir = $(patsubst %/,%,$(dir $@)) 1898 target-dir = $(dir $@) 1899 else 1900 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1901 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1902 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1903 endif 1904 1905 %.s: %.c prepare scripts FORCE 1906 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1907 %.i: %.c prepare scripts FORCE 1908 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1909 %.o: %.c prepare scripts FORCE 1910 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1911 %.lst: %.c prepare scripts FORCE 1912 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1913 %.s: %.S prepare scripts FORCE 1914 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1915 %.o: %.S prepare scripts FORCE 1916 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1917 %.symtypes: %.c prepare scripts FORCE 1918 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1919 1920 # Modules 1921 /: prepare scripts FORCE 1922 $(cmd_crmodverdir) 1923 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1924 $(build)=$(build-dir) 1925 %/: prepare scripts FORCE 1926 $(cmd_crmodverdir) 1927 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1928 $(build)=$(build-dir) 1929 %.ko: prepare scripts FORCE 1930 $(cmd_crmodverdir) 1931 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1932 $(build)=$(build-dir) $(@:.ko=.o) 1933 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1934 1935 # Consistency checks 1936 # --------------------------------------------------------------------------- 1937 1938 PHONY += coccicheck 1939 1940 coccicheck: 1941 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ 1942 1943 # FIXME Should go into a make.lib or something 1944 # =========================================================================== 1945 1946 quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1947 cmd_rmdirs = rm -rf $(rm-dirs) 1948 1949 quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1950 cmd_rmfiles = rm -f $(rm-files) 1951 1952 # read all saved command lines 1953 1954 targets := $(wildcard $(sort $(targets))) 1955 cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1956 1957 ifneq ($(cmd_files),) 1958 $(cmd_files): ; # Do not try to update included dependency files 1959 include $(cmd_files) 1960 endif 1961 1962 endif # skip-makefile 1963 1964 PHONY += FORCE 1965 FORCE: 1966 1967 # Declare the contents of the .PHONY variable as phony. We keep that 1968 # information in a variable so we can use it in if_changed and friends. 1969 .PHONY: $(PHONY) 1970