1 # 2 # SPDX-License-Identifier: GPL-2.0+ 3 # 4 5 VERSION = 2016 6 PATCHLEVEL = 01 7 SUBLEVEL = 8 EXTRAVERSION = 9 NAME = 10 11 # *DOCUMENTATION* 12 # To see a list of typical targets execute "make help" 13 # More info can be located in ./README 14 # Comments in this file are targeted only to the developer, do not 15 # expect to learn how to build the kernel reading this file. 16 17 # o Do not use make's built-in rules and variables 18 # (this increases performance and avoids hard-to-debug behaviour); 19 # o Look for make include files relative to root of kernel src 20 MAKEFLAGS += -rR --include-dir=$(CURDIR) 21 22 # Avoid funny character set dependencies 23 unexport LC_ALL 24 LC_COLLATE=C 25 LC_NUMERIC=C 26 export LC_COLLATE LC_NUMERIC 27 28 # Avoid interference with shell env settings 29 unexport GREP_OPTIONS 30 31 # We are using a recursive build, so we need to do a little thinking 32 # to get the ordering right. 33 # 34 # Most importantly: sub-Makefiles should only ever modify files in 35 # their own directory. If in some directory we have a dependency on 36 # a file in another dir (which doesn't happen often, but it's often 37 # unavoidable when linking the built-in.o targets which finally 38 # turn into vmlinux), we will call a sub make in that other dir, and 39 # after that we are sure that everything which is in that other dir 40 # is now up to date. 41 # 42 # The only cases where we need to modify files which have global 43 # effects are thus separated out and done before the recursive 44 # descending is started. They are now explicitly listed as the 45 # prepare rule. 46 47 # Beautify output 48 # --------------------------------------------------------------------------- 49 # 50 # Normally, we echo the whole command before executing it. By making 51 # that echo $($(quiet)$(cmd)), we now have the possibility to set 52 # $(quiet) to choose other forms of output instead, e.g. 53 # 54 # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ 55 # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 56 # 57 # If $(quiet) is empty, the whole command will be printed. 58 # If it is set to "quiet_", only the short version will be printed. 59 # If it is set to "silent_", nothing will be printed at all, since 60 # the variable $(silent_cmd_cc_o_c) doesn't exist. 61 # 62 # A simple variant is to prefix commands with $(Q) - that's useful 63 # for commands that shall be hidden in non-verbose mode. 64 # 65 # $(Q)ln $@ :< 66 # 67 # If KBUILD_VERBOSE equals 0 then the above command will be hidden. 68 # If KBUILD_VERBOSE equals 1 then the above command is displayed. 69 # 70 # To put more focus on warnings, be less verbose as default 71 # Use 'make V=1' to see the full commands 72 73 ifeq ("$(origin V)", "command line") 74 KBUILD_VERBOSE = $(V) 75 endif 76 ifndef KBUILD_VERBOSE 77 KBUILD_VERBOSE = 0 78 endif 79 80 ifeq ($(KBUILD_VERBOSE),1) 81 quiet = 82 Q = 83 else 84 quiet=quiet_ 85 Q = @ 86 endif 87 88 # If the user is running make -s (silent mode), suppress echoing of 89 # commands 90 91 ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 92 ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) 93 quiet=silent_ 94 endif 95 else # make-3.8x 96 ifneq ($(filter s% -s%,$(MAKEFLAGS)),) 97 quiet=silent_ 98 endif 99 endif 100 101 export quiet Q KBUILD_VERBOSE 102 103 # kbuild supports saving output files in a separate directory. 104 # To locate output files in a separate directory two syntaxes are supported. 105 # In both cases the working directory must be the root of the kernel src. 106 # 1) O= 107 # Use "make O=dir/to/store/output/files/" 108 # 109 # 2) Set KBUILD_OUTPUT 110 # Set the environment variable KBUILD_OUTPUT to point to the directory 111 # where the output files shall be placed. 112 # export KBUILD_OUTPUT=dir/to/store/output/files/ 113 # make 114 # 115 # The O= assignment takes precedence over the KBUILD_OUTPUT environment 116 # variable. 117 118 # KBUILD_SRC is set on invocation of make in OBJ directory 119 # KBUILD_SRC is not intended to be used by the regular user (for now) 120 ifeq ($(KBUILD_SRC),) 121 122 # OK, Make called in directory where kernel src resides 123 # Do we want to locate output files in a separate directory? 124 ifeq ("$(origin O)", "command line") 125 KBUILD_OUTPUT := $(O) 126 endif 127 128 # That's our default target when none is given on the command line 129 PHONY := _all 130 _all: 131 132 # Cancel implicit rules on top Makefile 133 $(CURDIR)/Makefile Makefile: ; 134 135 ifneq ($(KBUILD_OUTPUT),) 136 # Invoke a second make in the output directory, passing relevant variables 137 # check that the output directory actually exists 138 saved-output := $(KBUILD_OUTPUT) 139 KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ 140 && /bin/pwd) 141 $(if $(KBUILD_OUTPUT),, \ 142 $(error failed to create output directory "$(saved-output)")) 143 144 PHONY += $(MAKECMDGOALS) sub-make 145 146 $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make 147 @: 148 149 sub-make: FORCE 150 $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \ 151 -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) 152 153 # Leave processing to above invocation of make 154 skip-makefile := 1 155 endif # ifneq ($(KBUILD_OUTPUT),) 156 endif # ifeq ($(KBUILD_SRC),) 157 158 # We process the rest of the Makefile if this is the final invocation of make 159 ifeq ($(skip-makefile),) 160 161 # Do not print "Entering directory ...", 162 # but we want to display it when entering to the output directory 163 # so that IDEs/editors are able to understand relative filenames. 164 MAKEFLAGS += --no-print-directory 165 166 # Call a source code checker (by default, "sparse") as part of the 167 # C compilation. 168 # 169 # Use 'make C=1' to enable checking of only re-compiled files. 170 # Use 'make C=2' to enable checking of *all* source files, regardless 171 # of whether they are re-compiled or not. 172 # 173 # See the file "Documentation/sparse.txt" for more details, including 174 # where to get the "sparse" utility. 175 176 ifeq ("$(origin C)", "command line") 177 KBUILD_CHECKSRC = $(C) 178 endif 179 ifndef KBUILD_CHECKSRC 180 KBUILD_CHECKSRC = 0 181 endif 182 183 # Use make M=dir to specify directory of external module to build 184 # Old syntax make ... SUBDIRS=$PWD is still supported 185 # Setting the environment variable KBUILD_EXTMOD take precedence 186 ifdef SUBDIRS 187 KBUILD_EXTMOD ?= $(SUBDIRS) 188 endif 189 190 ifeq ("$(origin M)", "command line") 191 KBUILD_EXTMOD := $(M) 192 endif 193 194 # If building an external module we do not care about the all: rule 195 # but instead _all depend on modules 196 PHONY += all 197 ifeq ($(KBUILD_EXTMOD),) 198 _all: all 199 else 200 _all: modules 201 endif 202 203 ifeq ($(KBUILD_SRC),) 204 # building in the source tree 205 srctree := . 206 else 207 ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR))) 208 # building in a subdirectory of the source tree 209 srctree := .. 210 else 211 srctree := $(KBUILD_SRC) 212 endif 213 endif 214 objtree := . 215 src := $(srctree) 216 obj := $(objtree) 217 218 VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) 219 220 export srctree objtree VPATH 221 222 # Make sure CDPATH settings don't interfere 223 unexport CDPATH 224 225 ######################################################################### 226 227 HOSTARCH := $(shell uname -m | \ 228 sed -e s/i.86/x86/ \ 229 -e s/sun4u/sparc64/ \ 230 -e s/arm.*/arm/ \ 231 -e s/sa110/arm/ \ 232 -e s/ppc64/powerpc/ \ 233 -e s/ppc/powerpc/ \ 234 -e s/macppc/powerpc/\ 235 -e s/sh.*/sh/) 236 237 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \ 238 sed -e 's/\(cygwin\).*/cygwin/') 239 240 export HOSTARCH HOSTOS 241 242 ######################################################################### 243 244 # set default to nothing for native builds 245 ifeq ($(HOSTARCH),$(ARCH)) 246 CROSS_COMPILE ?= 247 endif 248 249 KCONFIG_CONFIG ?= .config 250 export KCONFIG_CONFIG 251 252 # SHELL used by kbuild 253 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 254 else if [ -x /bin/bash ]; then echo /bin/bash; \ 255 else echo sh; fi ; fi) 256 257 HOSTCC = cc 258 HOSTCXX = c++ 259 HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 260 HOSTCXXFLAGS = -O2 261 262 ifeq ($(HOSTOS),cygwin) 263 HOSTCFLAGS += -ansi 264 endif 265 266 # Mac OS X / Darwin's C preprocessor is Apple specific. It 267 # generates numerous errors and warnings. We want to bypass it 268 # and use GNU C's cpp. To do this we pass the -traditional-cpp 269 # option to the compiler. Note that the -traditional-cpp flag 270 # DOES NOT have the same semantics as GNU C's flag, all it does 271 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion. 272 # 273 # Apple's linker is similar, thanks to the new 2 stage linking 274 # multiple symbol definitions are treated as errors, hence the 275 # -multiply_defined suppress option to turn off this error. 276 # 277 ifeq ($(HOSTOS),darwin) 278 # get major and minor product version (e.g. '10' and '6' for Snow Leopard) 279 DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') 280 DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') 281 282 os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \ 283 $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;) 284 285 # Snow Leopards build environment has no longer restrictions as described above 286 HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc") 287 HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp") 288 HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress") 289 290 # since Lion (10.7) ASLR is on by default, but we use linker generated lists 291 # in some host tools which is a problem then ... so disable ASLR for these 292 # tools 293 HOSTLDFLAGS += $(call os_x_before, 10, 7, "", "-Xlinker -no_pie") 294 endif 295 296 # Decide whether to build built-in, modular, or both. 297 # Normally, just do built-in. 298 299 KBUILD_MODULES := 300 KBUILD_BUILTIN := 1 301 302 # If we have only "make modules", don't compile built-in objects. 303 # When we're building modules with modversions, we need to consider 304 # the built-in objects during the descend as well, in order to 305 # make sure the checksums are up to date before we record them. 306 307 ifeq ($(MAKECMDGOALS),modules) 308 KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) 309 endif 310 311 # If we have "make <whatever> modules", compile modules 312 # in addition to whatever we do anyway. 313 # Just "make" or "make all" shall build modules as well 314 315 # U-Boot does not need modules 316 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) 317 # KBUILD_MODULES := 1 318 #endif 319 320 #ifeq ($(MAKECMDGOALS),) 321 # KBUILD_MODULES := 1 322 #endif 323 324 export KBUILD_MODULES KBUILD_BUILTIN 325 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD 326 327 # We need some generic definitions (do not try to remake the file). 328 scripts/Kbuild.include: ; 329 include scripts/Kbuild.include 330 331 # Make variables (CC, etc...) 332 333 AS = $(CROSS_COMPILE)as 334 # Always use GNU ld 335 ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),) 336 LD = $(CROSS_COMPILE)ld.bfd 337 else 338 LD = $(CROSS_COMPILE)ld 339 endif 340 CC = $(CROSS_COMPILE)gcc 341 CPP = $(CC) -E 342 AR = $(CROSS_COMPILE)ar 343 NM = $(CROSS_COMPILE)nm 344 LDR = $(CROSS_COMPILE)ldr 345 STRIP = $(CROSS_COMPILE)strip 346 OBJCOPY = $(CROSS_COMPILE)objcopy 347 OBJDUMP = $(CROSS_COMPILE)objdump 348 AWK = awk 349 PERL = perl 350 PYTHON = python 351 DTC = dtc 352 CHECK = sparse 353 354 CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ 355 -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) 356 357 KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ 358 359 KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ 360 -Wno-format-security \ 361 -fno-builtin -ffreestanding 362 KBUILD_AFLAGS := -D__ASSEMBLY__ 363 364 # Read UBOOTRELEASE from include/config/uboot.release (if it exists) 365 UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null) 366 UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) 367 368 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION 369 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR 370 export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC 371 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP 372 export MAKE AWK PERL PYTHON 373 export HOSTCXX HOSTCXXFLAGS DTC CHECK CHECKFLAGS 374 375 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS 376 export KBUILD_CFLAGS KBUILD_AFLAGS 377 378 # When compiling out-of-tree modules, put MODVERDIR in the module 379 # tree rather than in the kernel tree. The kernel tree might 380 # even be read-only. 381 export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions 382 383 # Files to ignore in find ... statements 384 385 export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \ 386 -name CVS -o -name .pc -o -name .hg -o -name .git \) \ 387 -prune -o 388 export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ 389 --exclude CVS --exclude .pc --exclude .hg --exclude .git 390 391 # =========================================================================== 392 # Rules shared between *config targets and build targets 393 394 # Basic helpers built in scripts/ 395 PHONY += scripts_basic 396 scripts_basic: 397 $(Q)$(MAKE) $(build)=scripts/basic 398 $(Q)rm -f .tmp_quiet_recordmcount 399 400 # To avoid any implicit rule to kick in, define an empty command. 401 scripts/basic/%: scripts_basic ; 402 403 PHONY += outputmakefile 404 # outputmakefile generates a Makefile in the output directory, if using a 405 # separate output directory. This allows convenient use of make in the 406 # output directory. 407 outputmakefile: 408 ifneq ($(KBUILD_SRC),) 409 $(Q)ln -fsn $(srctree) source 410 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ 411 $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) 412 endif 413 414 # To make sure we do not include .config for any of the *config targets 415 # catch them early, and hand them over to scripts/kconfig/Makefile 416 # It is allowed to specify more targets when calling make, including 417 # mixing *config targets and build targets. 418 # For example 'make oldconfig all'. 419 # Detect when mixed targets is specified, and make a second invocation 420 # of make so .config is not included in this case either (for *config). 421 422 version_h := include/generated/version_autogenerated.h 423 timestamp_h := include/generated/timestamp_autogenerated.h 424 425 no-dot-config-targets := clean clobber mrproper distclean \ 426 help %docs check% coccicheck \ 427 ubootversion backup 428 429 config-targets := 0 430 mixed-targets := 0 431 dot-config := 1 432 433 ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) 434 ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) 435 dot-config := 0 436 endif 437 endif 438 439 ifeq ($(KBUILD_EXTMOD),) 440 ifneq ($(filter config %config,$(MAKECMDGOALS)),) 441 config-targets := 1 442 ifneq ($(words $(MAKECMDGOALS)),1) 443 mixed-targets := 1 444 endif 445 endif 446 endif 447 448 ifeq ($(mixed-targets),1) 449 # =========================================================================== 450 # We're called with mixed targets (*config and build targets). 451 # Handle them one by one. 452 453 PHONY += $(MAKECMDGOALS) __build_one_by_one 454 455 $(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one 456 @: 457 458 __build_one_by_one: 459 $(Q)set -e; \ 460 for i in $(MAKECMDGOALS); do \ 461 $(MAKE) -f $(srctree)/Makefile $$i; \ 462 done 463 464 else 465 ifeq ($(config-targets),1) 466 # =========================================================================== 467 # *config targets only - make sure prerequisites are updated, and descend 468 # in scripts/kconfig to make the *config target 469 470 KBUILD_DEFCONFIG := sandbox_defconfig 471 export KBUILD_DEFCONFIG KBUILD_KCONFIG 472 473 config: scripts_basic outputmakefile FORCE 474 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 475 476 %config: scripts_basic outputmakefile FORCE 477 $(Q)$(MAKE) $(build)=scripts/kconfig $@ 478 479 else 480 # =========================================================================== 481 # Build targets only - this includes vmlinux, arch specific targets, clean 482 # targets and others. In general all targets except *config targets. 483 484 ifeq ($(dot-config),1) 485 # Read in config 486 -include include/config/auto.conf 487 488 # Read in dependencies to all Kconfig* files, make sure to run 489 # oldconfig if changes are detected. 490 -include include/config/auto.conf.cmd 491 492 # To avoid any implicit rule to kick in, define an empty command 493 $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; 494 495 # If .config is newer than include/config/auto.conf, someone tinkered 496 # with it and forgot to run make oldconfig. 497 # if auto.conf.cmd is missing then we are probably in a cleaned tree so 498 # we execute the config step to be sure to catch updated Kconfig files 499 include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd 500 $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig 501 @# If the following part fails, include/config/auto.conf should be 502 @# deleted so "make silentoldconfig" will be re-run on the next build. 503 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ 504 { rm -f include/config/auto.conf; false; } 505 @# include/config.h has been updated after "make silentoldconfig". 506 @# We need to touch include/config/auto.conf so it gets newer 507 @# than include/config.h. 508 @# Otherwise, 'make silentoldconfig' would be invoked twice. 509 $(Q)touch include/config/auto.conf 510 511 -include include/autoconf.mk 512 -include include/autoconf.mk.dep 513 514 # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf 515 # is up-to-date. When we switch to a different board configuration, old CONFIG 516 # macros are still remaining in include/config/auto.conf. Without the following 517 # gimmick, wrong config.mk would be included leading nasty warnings/errors. 518 ifneq ($(wildcard $(KCONFIG_CONFIG)),) 519 ifneq ($(wildcard include/config/auto.conf),) 520 autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ 521 include/config/auto.conf) 522 ifeq ($(autoconf_is_old),) 523 include config.mk 524 include arch/$(ARCH)/Makefile 525 endif 526 endif 527 endif 528 529 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use 530 # that (or fail if absent). Otherwise, search for a linker script in a 531 # standard location. 532 533 ifndef LDSCRIPT 534 #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug 535 ifdef CONFIG_SYS_LDSCRIPT 536 # need to strip off double quotes 537 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) 538 endif 539 endif 540 541 # If there is no specified link script, we look in a number of places for it 542 ifndef LDSCRIPT 543 ifeq ($(wildcard $(LDSCRIPT)),) 544 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds 545 endif 546 ifeq ($(wildcard $(LDSCRIPT)),) 547 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 548 endif 549 ifeq ($(wildcard $(LDSCRIPT)),) 550 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds 551 endif 552 endif 553 554 else 555 # Dummy target needed, because used as prerequisite 556 include/config/auto.conf: ; 557 endif # $(dot-config) 558 559 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE 560 KBUILD_CFLAGS += -Os 561 else 562 KBUILD_CFLAGS += -O2 563 endif 564 565 ifdef BUILD_TAG 566 KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' 567 endif 568 569 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 570 KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) 571 572 KBUILD_CFLAGS += -g 573 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 574 # option to the assembler. 575 KBUILD_AFLAGS += -g 576 577 # Report stack usage if supported 578 ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 579 KBUILD_CFLAGS += -fstack-usage 580 endif 581 582 KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 583 584 # turn jbsr into jsr for m68k 585 ifeq ($(ARCH),m68k) 586 ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 587 KBUILD_AFLAGS += -Wa,-gstabs,-S 588 endif 589 endif 590 591 # Prohibit date/time macros, which would make the build non-deterministic 592 KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 593 594 include scripts/Makefile.extrawarn 595 596 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 597 KBUILD_CPPFLAGS += $(KCPPFLAGS) 598 KBUILD_AFLAGS += $(KAFLAGS) 599 KBUILD_CFLAGS += $(KCFLAGS) 600 601 # Use UBOOTINCLUDE when you must reference the include/ directory. 602 # Needed to be compatible with the O= option 603 UBOOTINCLUDE := \ 604 -Iinclude \ 605 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 606 $(if $(CONFIG_SYS_THUMB_BUILD), $(if $(CONFIG_HAS_THUMB2),, \ 607 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 608 -I$(srctree)/arch/$(ARCH)/include \ 609 -include $(srctree)/include/linux/kconfig.h 610 611 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 612 CHECKFLAGS += $(NOSTDINC_FLAGS) 613 614 # FIX ME 615 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 616 $(NOSTDINC_FLAGS) 617 c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 618 619 ######################################################################### 620 # U-Boot objects....order is important (i.e. start must be first) 621 622 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 623 624 libs-y += lib/ 625 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 626 libs-$(CONFIG_OF_EMBED) += dts/ 627 libs-y += fs/ 628 libs-y += net/ 629 libs-y += disk/ 630 libs-y += drivers/ 631 libs-y += drivers/dma/ 632 libs-y += drivers/gpio/ 633 libs-y += drivers/i2c/ 634 libs-y += drivers/mmc/ 635 libs-y += drivers/mtd/ 636 libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 637 libs-y += drivers/mtd/onenand/ 638 libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 639 libs-y += drivers/mtd/spi/ 640 libs-y += drivers/net/ 641 libs-y += drivers/net/phy/ 642 libs-y += drivers/pci/ 643 libs-y += drivers/power/ \ 644 drivers/power/fuel_gauge/ \ 645 drivers/power/mfd/ \ 646 drivers/power/pmic/ \ 647 drivers/power/battery/ \ 648 drivers/power/regulator/ 649 libs-y += drivers/spi/ 650 libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 651 libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 652 libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ 653 libs-y += drivers/serial/ 654 libs-y += drivers/usb/dwc3/ 655 libs-y += drivers/usb/emul/ 656 libs-y += drivers/usb/eth/ 657 libs-y += drivers/usb/gadget/ 658 libs-y += drivers/usb/gadget/udc/ 659 libs-y += drivers/usb/host/ 660 libs-y += drivers/usb/musb/ 661 libs-y += drivers/usb/musb-new/ 662 libs-y += drivers/usb/phy/ 663 libs-y += drivers/usb/ulpi/ 664 libs-y += cmd/ 665 libs-y += common/ 666 libs-$(CONFIG_API) += api/ 667 libs-$(CONFIG_HAS_POST) += post/ 668 libs-y += test/ 669 libs-y += test/dm/ 670 libs-$(CONFIG_UT_ENV) += test/env/ 671 672 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 673 674 libs-y := $(sort $(libs-y)) 675 676 u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 677 678 u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 679 680 libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 681 682 u-boot-init := $(head-y) 683 u-boot-main := $(libs-y) 684 685 686 # Add GCC lib 687 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 688 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 689 else 690 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 691 endif 692 PLATFORM_LIBS += $(PLATFORM_LIBGCC) 693 export PLATFORM_LIBS 694 export PLATFORM_LIBGCC 695 696 # Special flags for CPP when processing the linker script. 697 # Pass the version down so we can handle backwards compatibility 698 # on the fly. 699 LDPPFLAGS += \ 700 -include $(srctree)/include/u-boot/u-boot.lds.h \ 701 -DCPUDIR=$(CPUDIR) \ 702 $(shell $(LD) --version | \ 703 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 704 705 ######################################################################### 706 ######################################################################### 707 708 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 709 BOARD_SIZE_CHECK = \ 710 @actual=`wc -c $@ | awk '{print $$1}'`; \ 711 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 712 if test $$actual -gt $$limit; then \ 713 echo "$@ exceeds file size limit:" >&2 ; \ 714 echo " limit: $$limit bytes" >&2 ; \ 715 echo " actual: $$actual bytes" >&2 ; \ 716 echo " excess: $$((actual - limit)) bytes" >&2; \ 717 exit 1; \ 718 fi 719 else 720 BOARD_SIZE_CHECK = 721 endif 722 723 # Statically apply RELA-style relocations (currently arm64 only) 724 ifneq ($(CONFIG_STATIC_RELA),) 725 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 726 DO_STATIC_RELA = \ 727 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 728 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 729 tools/relocate-rela $(2) $(3) $$start $$end 730 else 731 DO_STATIC_RELA = 732 endif 733 734 # Always append ALL so that arch config.mk's can add custom ones 735 ALL-y += u-boot.srec u-boot.bin System.map u-boot.cfg binary_size_check 736 737 ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 738 ifeq ($(CONFIG_SPL_FSL_PBL),y) 739 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 740 else 741 ifneq ($(CONFIG_SECURE_BOOT), y) 742 # For Secure Boot The Image needs to be signed and Header must also 743 # be included. So The image has to be built explicitly 744 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 745 endif 746 endif 747 ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 748 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 749 ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 750 ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin 751 ifeq ($(CONFIG_SPL_FRAMEWORK),y) 752 ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 753 endif 754 ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 755 ifneq ($(CONFIG_SPL_TARGET),) 756 ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 757 endif 758 ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 759 ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 760 ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 761 762 ifneq ($(BUILD_ROM),) 763 ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 764 endif 765 766 # enable combined SPL/u-boot/dtb rules for tegra 767 ifneq ($(CONFIG_TEGRA),) 768 ifeq ($(CONFIG_SPL),y) 769 ifeq ($(CONFIG_OF_SEPARATE),y) 770 ALL-y += u-boot-dtb-tegra.bin 771 else 772 ALL-y += u-boot-nodtb-tegra.bin 773 endif 774 endif 775 endif 776 777 # Add optional build target if defined in board/cpu/soc headers 778 ifneq ($(CONFIG_BUILD_TARGET),) 779 ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 780 endif 781 782 LDFLAGS_u-boot += $(LDFLAGS_FINAL) 783 ifneq ($(CONFIG_SYS_TEXT_BASE),) 784 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 785 endif 786 787 # Normally we fill empty space with 0xff 788 quiet_cmd_objcopy = OBJCOPY $@ 789 cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 790 $(OBJCOPYFLAGS_$(@F)) $< $@ 791 792 # Provide a version which does not do this, for use by EFI 793 quiet_cmd_zobjcopy = OBJCOPY $@ 794 cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 795 796 quiet_cmd_efipayload = OBJCOPY $@ 797 cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 798 799 quiet_cmd_mkimage = MKIMAGE $@ 800 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 801 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 802 803 quiet_cmd_cat = CAT $@ 804 cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 805 806 append = cat $(filter-out $< $(PHONY), $^) >> $@ 807 808 quiet_cmd_pad_cat = CAT $@ 809 cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 810 811 all: $(ALL-y) 812 ifneq ($(CONFIG_SYS_GENERIC_BOARD),y) 813 @echo "===================== WARNING ======================" 814 @echo "Please convert this board to generic board." 815 @echo "Otherwise it will be removed by the end of 2014." 816 @echo "See doc/README.generic-board for further information" 817 @echo "====================================================" 818 endif 819 ifeq ($(CONFIG_DM_I2C_COMPAT),y) 820 @echo "===================== WARNING ======================" 821 @echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove" 822 @echo "(possibly in a subsequent patch in your series)" 823 @echo "before sending patches to the mailing list." 824 @echo "====================================================" 825 endif 826 827 PHONY += dtbs 828 dtbs dts/dt.dtb: checkdtc u-boot 829 $(Q)$(MAKE) $(build)=dts dtbs 830 831 u-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE 832 $(call if_changed,cat) 833 834 %.imx: %.bin 835 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 836 837 quiet_cmd_copy = COPY $@ 838 cmd_copy = cp $< $@ 839 840 u-boot.dtb: dts/dt.dtb 841 $(call cmd,copy) 842 843 OBJCOPYFLAGS_u-boot.hex := -O ihex 844 845 OBJCOPYFLAGS_u-boot.srec := -O srec 846 847 u-boot.hex u-boot.srec: u-boot FORCE 848 $(call if_changed,objcopy) 849 850 OBJCOPYFLAGS_u-boot.bin := -O binary \ 851 $(if $(CONFIG_X86_RESET_VECTOR),-R .start16 -R .resetvec) 852 853 binary_size_check: u-boot.bin FORCE 854 @file_size=$(shell wc -c u-boot.bin | awk '{print $$1}') ; \ 855 map_size=$(shell cat u-boot.map | \ 856 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 857 | sed 's/0X//g' \ 858 | bc); \ 859 if [ "" != "$$map_size" ]; then \ 860 if test $$map_size -ne $$file_size; then \ 861 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 862 echo " but u-boot.bin shows $$file_size" >&2 ; \ 863 exit 1; \ 864 fi \ 865 fi 866 867 u-boot.bin: u-boot FORCE 868 $(call if_changed,objcopy) 869 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 870 $(BOARD_SIZE_CHECK) 871 872 u-boot.ldr: u-boot 873 $(CREATE_LDR_ENV) 874 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 875 $(BOARD_SIZE_CHECK) 876 877 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 878 879 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 880 881 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 882 $(call if_changed,objcopy) 883 884 # 885 # U-Boot entry point, needed for booting of full-blown U-Boot 886 # from the SPL U-Boot version. 887 # 888 ifndef CONFIG_SYS_UBOOT_START 889 CONFIG_SYS_UBOOT_START := 0 890 endif 891 892 # Create a file containing the configuration options the image was built with 893 quiet_cmd_cpp_cfg = CFG $@ 894 cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 895 -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 896 897 MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 898 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 899 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 900 901 MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 902 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 903 904 MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 905 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 906 907 MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 908 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 909 910 u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 911 $(call if_changed,mkimage) 912 913 u-boot-spl.kwb: u-boot-dtb.img spl/u-boot-spl.bin FORCE 914 $(call if_changed,mkimage) 915 916 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 917 918 u-boot-dtb.img: u-boot-dtb.bin FORCE 919 $(call if_changed,mkimage) 920 921 u-boot.sha1: u-boot.bin 922 tools/ubsha1 u-boot.bin 923 924 u-boot.dis: u-boot 925 $(OBJDUMP) -d $< > $@ 926 927 u-boot.cfg: include/config.h 928 $(call if_changed,cpp_cfg) 929 930 ifdef CONFIG_TPL 931 SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 932 else 933 SPL_PAYLOAD := u-boot.bin 934 endif 935 936 OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 937 --pad-to=$(CONFIG_SPL_PAD_TO) 938 u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 939 $(call if_changed,pad_cat) 940 941 MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 942 943 lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 944 $(call if_changed,mkimage) 945 946 OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 947 948 lpc32xx-boot-0.bin: lpc32xx-spl.img 949 $(call if_changed,objcopy) 950 951 OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 952 953 lpc32xx-boot-1.bin: lpc32xx-spl.img 954 $(call if_changed,objcopy) 955 956 lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img 957 $(call if_changed,cat) 958 959 CLEAN_FILES += lpc32xx-* 960 961 OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 962 --pad-to=$(CONFIG_TPL_PAD_TO) 963 tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 964 $(call if_changed,pad_cat) 965 966 SPL: spl/u-boot-spl.bin FORCE 967 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 968 969 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 970 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 971 972 MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 973 974 u-boot.ubl: u-boot-with-spl.bin FORCE 975 $(call if_changed,mkimage) 976 977 MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 978 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 979 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 980 spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 981 $(call if_changed,mkimage) 982 983 OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 984 u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 985 $(call if_changed,pad_cat) 986 987 u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 988 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 989 u-boot.sb: u-boot.bin spl/u-boot-spl.bin 990 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 991 992 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 993 # Both images are created using mkimage (crc etc), so that the ROM 994 # bootloader can check its integrity. Padding needs to be done to the 995 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image 996 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 997 # The resulting image containing both U-Boot images is called u-boot.spr 998 MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 999 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 1000 spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 1001 $(call if_changed,mkimage) 1002 1003 OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1004 --gap-fill=0xff 1005 u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1006 $(call if_changed,pad_cat) 1007 1008 ifneq ($(CONFIG_ARCH_SOCFPGA),) 1009 quiet_cmd_socboot = SOCBOOT $@ 1010 cmd_socboot = cat spl/u-boot-spl-dtb.sfp spl/u-boot-spl-dtb.sfp \ 1011 spl/u-boot-spl-dtb.sfp spl/u-boot-spl-dtb.sfp \ 1012 u-boot-dtb.img > $@ || rm -f $@ 1013 u-boot-with-spl-dtb.sfp: spl/u-boot-spl-dtb.sfp u-boot-dtb.img FORCE 1014 $(call if_changed,socboot) 1015 endif 1016 1017 # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1018 # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1019 # the middle. 1020 ifneq ($(CONFIG_X86_RESET_VECTOR),) 1021 rom: u-boot.rom FORCE 1022 1023 IFDTOOL=$(objtree)/tools/ifdtool 1024 IFDTOOL_FLAGS = -f 0:$(objtree)/u-boot.dtb 1025 IFDTOOL_FLAGS += -m 0x$(shell $(NM) u-boot |grep _dt_ucode_base_size |cut -d' ' -f1) 1026 IFDTOOL_FLAGS += -U $(CONFIG_SYS_TEXT_BASE):$(objtree)/u-boot.bin 1027 IFDTOOL_FLAGS += -w $(CONFIG_SYS_X86_START16):$(objtree)/u-boot-x86-16bit.bin 1028 IFDTOOL_FLAGS += -C 1029 1030 ifneq ($(CONFIG_HAVE_INTEL_ME),) 1031 IFDTOOL_ME_FLAGS = -D $(srctree)/board/$(BOARDDIR)/descriptor.bin 1032 IFDTOOL_ME_FLAGS += -i ME:$(srctree)/board/$(BOARDDIR)/me.bin 1033 endif 1034 1035 ifneq ($(CONFIG_HAVE_MRC),) 1036 IFDTOOL_FLAGS += -w $(CONFIG_X86_MRC_ADDR):$(srctree)/board/$(BOARDDIR)/mrc.bin 1037 endif 1038 1039 ifneq ($(CONFIG_HAVE_FSP),) 1040 IFDTOOL_FLAGS += -w $(CONFIG_FSP_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_FSP_FILE) 1041 endif 1042 1043 ifneq ($(CONFIG_HAVE_CMC),) 1044 IFDTOOL_FLAGS += -w $(CONFIG_CMC_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_CMC_FILE) 1045 endif 1046 1047 ifneq ($(CONFIG_HAVE_VGA_BIOS),) 1048 IFDTOOL_FLAGS += -w $(CONFIG_VGA_BIOS_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_VGA_BIOS_FILE) 1049 endif 1050 1051 quiet_cmd_ifdtool = IFDTOOL $@ 1052 cmd_ifdtool = $(IFDTOOL) -c -r $(CONFIG_ROM_SIZE) u-boot.tmp; 1053 ifneq ($(CONFIG_HAVE_INTEL_ME),) 1054 cmd_ifdtool += $(IFDTOOL) $(IFDTOOL_ME_FLAGS) u-boot.tmp; 1055 endif 1056 cmd_ifdtool += $(IFDTOOL) $(IFDTOOL_FLAGS) u-boot.tmp; 1057 cmd_ifdtool += mv u-boot.tmp $@ 1058 1059 u-boot.rom: u-boot-x86-16bit.bin u-boot-dtb.bin 1060 $(call if_changed,ifdtool) 1061 1062 OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1063 u-boot-x86-16bit.bin: u-boot FORCE 1064 $(call if_changed,objcopy) 1065 endif 1066 1067 ifneq ($(CONFIG_SUNXI),) 1068 OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \ 1069 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff 1070 u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin \ 1071 u-boot$(if $(CONFIG_OF_CONTROL),-dtb,).img FORCE 1072 $(call if_changed,pad_cat) 1073 endif 1074 1075 ifneq ($(CONFIG_TEGRA),) 1076 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1077 u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1078 $(call if_changed,pad_cat) 1079 1080 ifeq ($(CONFIG_OF_SEPARATE),y) 1081 u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE 1082 $(call if_changed,cat) 1083 endif 1084 endif 1085 1086 OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1087 u-boot-app.efi: u-boot FORCE 1088 $(call if_changed,zobjcopy) 1089 1090 u-boot-dtb.bin.o: u-boot-dtb.bin FORCE 1091 $(call if_changed,efipayload) 1092 1093 u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1094 $(call if_changed_dep,cpp_lds) 1095 1096 # Rule to link the EFI payload which contains a stub and a U-Boot binary 1097 quiet_cmd_u-boot_payload ?= LD $@ 1098 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1099 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1100 lib/efi/efi.o lib/efi/efi_stub.o u-boot-dtb.bin.o \ 1101 $(addprefix arch/$(ARCH)/lib/efi/,$(EFISTUB)) 1102 1103 u-boot-payload: u-boot-dtb.bin.o u-boot-payload.lds FORCE 1104 $(call if_changed,u-boot_payload) 1105 1106 OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1107 u-boot-payload.efi: u-boot-payload FORCE 1108 $(call if_changed,zobjcopy) 1109 1110 u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1111 $(call if_changed,cat) 1112 1113 #Add a target to create boot binary having SPL binary in PBI format 1114 #concatenated with u-boot binary. It is need by PowerPC SoC having 1115 #internal SRAM <= 512KB. 1116 MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1117 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1118 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1119 1120 spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1121 $(call if_changed,mkimage) 1122 1123 ifeq ($(ARCH),arm) 1124 ifdef CONFIG_OF_CONTROL 1125 UBOOT_BINLOAD := u-boot-dtb.img 1126 else 1127 UBOOT_BINLOAD := u-boot.img 1128 endif 1129 else 1130 UBOOT_BINLOAD := u-boot.bin 1131 endif 1132 1133 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1134 --gap-fill=0xff 1135 1136 u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1137 $(call if_changed,pad_cat) 1138 1139 # PPC4xx needs the SPL at the end of the image, since the reset vector 1140 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1141 # and need to introduce a new build target with the full blown U-Boot 1142 # at the start padded up to the start of the SPL image. And then concat 1143 # the SPL image to the end. 1144 1145 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1146 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1147 u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1148 $(call if_changed,pad_cat) 1149 1150 # Create a new ELF from a raw binary file. This is useful for arm64 1151 # where static relocation needs to be performed on the raw binary, 1152 # but certain simulators only accept an ELF file (but don't do the 1153 # relocation). 1154 # FIXME refactor dts/Makefile to share target/arch detection 1155 u-boot.elf: u-boot.bin 1156 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 1157 $< u-boot-elf.o 1158 @$(LD) u-boot-elf.o -o $@ \ 1159 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 1160 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1161 1162 # Rule to link u-boot 1163 # May be overridden by arch/$(ARCH)/config.mk 1164 quiet_cmd_u-boot__ ?= LD $@ 1165 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1166 -T u-boot.lds $(u-boot-init) \ 1167 --start-group $(u-boot-main) --end-group \ 1168 $(PLATFORM_LIBS) -Map u-boot.map 1169 1170 quiet_cmd_smap = GEN common/system_map.o 1171 cmd_smap = \ 1172 smap=`$(call SYSTEM_MAP,u-boot) | \ 1173 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1174 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1175 -c $(srctree)/common/system_map.c -o common/system_map.o 1176 1177 u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds 1178 $(call if_changed,u-boot__) 1179 ifeq ($(CONFIG_KALLSYMS),y) 1180 $(call cmd,smap) 1181 $(call cmd,u-boot__) common/system_map.o 1182 endif 1183 1184 # The actual objects are generated when descending, 1185 # make sure no implicit rule kicks in 1186 $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1187 1188 # Handle descending into subdirectories listed in $(vmlinux-dirs) 1189 # Preset locale variables to speed up the build process. Limit locale 1190 # tweaks to this spot to avoid wrong language settings when running 1191 # make menuconfig etc. 1192 # Error messages still appears in the original language 1193 1194 PHONY += $(u-boot-dirs) 1195 $(u-boot-dirs): prepare scripts 1196 $(Q)$(MAKE) $(build)=$@ 1197 1198 tools: prepare 1199 # The "tools" are needed early 1200 $(filter-out tools, $(u-boot-dirs)): tools 1201 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1202 # is "yes"), so compile examples after U-Boot is compiled. 1203 examples: $(filter-out examples, $(u-boot-dirs)) 1204 1205 define filechk_uboot.release 1206 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1207 endef 1208 1209 # Store (new) UBOOTRELEASE string in include/config/uboot.release 1210 include/config/uboot.release: include/config/auto.conf FORCE 1211 $(call filechk,uboot.release) 1212 1213 1214 # Things we need to do before we recursively start building the kernel 1215 # or the modules are listed in "prepare". 1216 # A multi level approach is used. prepareN is processed before prepareN-1. 1217 # archprepare is used in arch Makefiles and when processed asm symlink, 1218 # version.h and scripts_basic is processed / created. 1219 1220 # Listed in dependency order 1221 PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1222 1223 # prepare3 is used to check if we are building in a separate output directory, 1224 # and if so do: 1225 # 1) Check that make has not been executed in the kernel src $(srctree) 1226 prepare3: include/config/uboot.release 1227 ifneq ($(KBUILD_SRC),) 1228 @$(kecho) ' Using $(srctree) as source for U-Boot' 1229 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1230 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1231 echo >&2 " in the '$(srctree)' directory.";\ 1232 /bin/false; \ 1233 fi; 1234 endif 1235 1236 # prepare2 creates a makefile if using a separate output directory 1237 prepare2: prepare3 outputmakefile 1238 1239 prepare1: prepare2 $(version_h) $(timestamp_h) \ 1240 include/config/auto.conf 1241 ifeq ($(CONFIG_HAVE_GENERIC_BOARD),) 1242 ifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 1243 @echo >&2 " Your architecture does not support generic board." 1244 @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 1245 @/bin/false 1246 endif 1247 endif 1248 ifeq ($(wildcard $(LDSCRIPT)),) 1249 @echo >&2 " Could not find linker script." 1250 @/bin/false 1251 endif 1252 1253 archprepare: prepare1 scripts_basic 1254 1255 prepare0: archprepare FORCE 1256 $(Q)$(MAKE) $(build)=. 1257 1258 # All the preparing.. 1259 prepare: prepare0 1260 1261 # Generate some files 1262 # --------------------------------------------------------------------------- 1263 1264 define filechk_version.h 1265 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1266 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1267 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1268 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1269 endef 1270 1271 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1272 # The BSD date on the other hand behaves different and would produce errors 1273 # with the misused '-d' switch. Respect that and search a working date with 1274 # well known pre- and suffixes for the GNU variant of date. 1275 define filechk_timestamp.h 1276 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1277 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1278 DATE=""; \ 1279 for date in gdate date.gnu date; do \ 1280 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1281 done; \ 1282 if test -n "$${DATE}"; then \ 1283 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1284 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1285 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1286 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1287 else \ 1288 return 42; \ 1289 fi; \ 1290 else \ 1291 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1292 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1293 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1294 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1295 fi) 1296 endef 1297 1298 $(version_h): include/config/uboot.release FORCE 1299 $(call filechk,version.h) 1300 1301 $(timestamp_h): $(srctree)/Makefile FORCE 1302 $(call filechk,timestamp.h) 1303 1304 # --------------------------------------------------------------------------- 1305 quiet_cmd_cpp_lds = LDS $@ 1306 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1307 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 1308 1309 u-boot.lds: $(LDSCRIPT) prepare FORCE 1310 $(call if_changed_dep,cpp_lds) 1311 1312 spl/u-boot-spl.bin: spl/u-boot-spl 1313 @: 1314 spl/u-boot-spl: tools prepare $(if $(CONFIG_OF_SEPARATE),dts/dt.dtb) 1315 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1316 1317 spl/sunxi-spl.bin: spl/u-boot-spl 1318 @: 1319 1320 spl/u-boot-spl-dtb.sfp: spl/u-boot-spl 1321 @: 1322 1323 spl/boot.bin: spl/u-boot-spl 1324 @: 1325 1326 tpl/u-boot-tpl.bin: tools prepare 1327 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1328 1329 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1330 1331 FIND := find 1332 FINDFLAGS := -L 1333 1334 tags ctags: 1335 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1336 -name '*.[chS]' -print` 1337 ln -s ctags tags 1338 1339 etags: 1340 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1341 -name '*.[chS]' -print` 1342 cscope: 1343 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1344 cscope.files 1345 cscope -b -q -k 1346 1347 SYSTEM_MAP = \ 1348 $(NM) $1 | \ 1349 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1350 LC_ALL=C sort 1351 System.map: u-boot 1352 @$(call SYSTEM_MAP,$<) > $@ 1353 1354 checkdtc: 1355 @if test $(call dtc-version) -lt 0104; then \ 1356 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1357 false; \ 1358 fi 1359 1360 ######################################################################### 1361 1362 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1363 # R_AARCH64_RELATIVE (64-bit). 1364 checkarmreloc: u-boot 1365 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1366 grep R_A | sort -u`"; \ 1367 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1368 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1369 echo "$< contains unexpected relocations: $$RELOC"; \ 1370 false; \ 1371 fi 1372 1373 env: scripts_basic 1374 $(Q)$(MAKE) $(build)=tools/$@ 1375 1376 tools-only: scripts_basic $(version_h) $(timestamp_h) 1377 $(Q)$(MAKE) $(build)=tools 1378 1379 tools-all: export HOST_TOOLS_ALL=y 1380 tools-all: env tools ; 1381 1382 cross_tools: export CROSS_BUILD_TOOLS=y 1383 cross_tools: tools ; 1384 1385 .PHONY : CHANGELOG 1386 CHANGELOG: 1387 git log --no-merges U-Boot-1_1_5.. | \ 1388 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1389 1390 include/license.h: tools/bin2header COPYING 1391 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1392 ######################################################################### 1393 1394 ### 1395 # Cleaning is done on three levels. 1396 # make clean Delete most generated files 1397 # Leave enough to build external modules 1398 # make mrproper Delete the current configuration, and all generated files 1399 # make distclean Remove editor backup files, patch leftover files and the like 1400 1401 # Directories & files removed with 'make clean' 1402 CLEAN_DIRS += $(MODVERDIR) \ 1403 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1404 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1405 1406 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \ 1407 boot* u-boot* MLO* SPL System.map 1408 1409 # Directories & files removed with 'make mrproper' 1410 MRPROPER_DIRS += include/config include/generated spl tpl \ 1411 .tmp_objdiff 1412 MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1413 ctags etags TAGS cscope* GPATH GTAGS GRTAGS GSYMS 1414 1415 # clean - Delete most, but leave enough to build external modules 1416 # 1417 clean: rm-dirs := $(CLEAN_DIRS) 1418 clean: rm-files := $(CLEAN_FILES) 1419 1420 clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1421 1422 clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1423 1424 PHONY += $(clean-dirs) clean archclean 1425 $(clean-dirs): 1426 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1427 1428 # TODO: Do not use *.cfgtmp 1429 clean: $(clean-dirs) 1430 $(call cmd,rmdirs) 1431 $(call cmd,rmfiles) 1432 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1433 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1434 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1435 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1436 -o -name '*.symtypes' -o -name 'modules.order' \ 1437 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1438 -o -name '*.gcno' \) -type f -print | xargs rm -f 1439 1440 # mrproper - Delete all generated files, including .config 1441 # 1442 mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1443 mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1444 mrproper-dirs := $(addprefix _mrproper_,scripts) 1445 1446 PHONY += $(mrproper-dirs) mrproper archmrproper 1447 $(mrproper-dirs): 1448 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1449 1450 mrproper: clean $(mrproper-dirs) 1451 $(call cmd,rmdirs) 1452 $(call cmd,rmfiles) 1453 @rm -f arch/*/include/asm/arch 1454 1455 # distclean 1456 # 1457 PHONY += distclean 1458 1459 distclean: mrproper 1460 @find $(srctree) $(RCS_FIND_IGNORE) \ 1461 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1462 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1463 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1464 -o -name '*.pyc' \) \ 1465 -type f -print | xargs rm -f 1466 @rm -f boards.cfg 1467 1468 backup: 1469 F=`basename $(srctree)` ; cd .. ; \ 1470 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1471 1472 help: 1473 @echo 'Cleaning targets:' 1474 @echo ' clean - Remove most generated files but keep the config' 1475 @echo ' mrproper - Remove all generated files + config + various backup files' 1476 @echo ' distclean - mrproper + remove editor backup and patch files' 1477 @echo '' 1478 @echo 'Configuration targets:' 1479 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1480 @echo '' 1481 @echo 'Other generic targets:' 1482 @echo ' all - Build all necessary images depending on configuration' 1483 @echo '* u-boot - Build the bare u-boot' 1484 @echo ' dir/ - Build all files in dir and below' 1485 @echo ' dir/file.[oisS] - Build specified target only' 1486 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1487 @echo ' (requires a recent binutils and recent build (System.map))' 1488 @echo ' tags/ctags - Generate ctags file for editors' 1489 @echo ' etags - Generate etags file for editors' 1490 @echo ' cscope - Generate cscope index' 1491 @echo ' ubootrelease - Output the release version string (use with make -s)' 1492 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1493 @echo '' 1494 @echo 'Static analysers' 1495 @echo ' checkstack - Generate a list of stack hogs' 1496 @echo '' 1497 @echo 'Documentation targets:' 1498 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1499 @echo '' 1500 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1501 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1502 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1503 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1504 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1505 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1506 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1507 @echo ' 1: warnings which may be relevant and do not occur too often' 1508 @echo ' 2: warnings which occur quite often but may still be relevant' 1509 @echo ' 3: more obscure warnings, can most likely be ignored' 1510 @echo ' Multiple levels can be combined with W=12 or W=123' 1511 @echo '' 1512 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1513 @echo 'For further info see the ./README file' 1514 1515 1516 # Documentation targets 1517 # --------------------------------------------------------------------------- 1518 %docs: scripts_basic FORCE 1519 $(Q)$(MAKE) $(build)=scripts build_docproc 1520 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1521 1522 # Dummies... 1523 PHONY += prepare scripts 1524 prepare: ; 1525 scripts: ; 1526 1527 endif #ifeq ($(config-targets),1) 1528 endif #ifeq ($(mixed-targets),1) 1529 1530 PHONY += checkstack ubootrelease ubootversion 1531 1532 checkstack: 1533 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1534 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1535 1536 ubootrelease: 1537 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1538 1539 ubootversion: 1540 @echo $(UBOOTVERSION) 1541 1542 # Single targets 1543 # --------------------------------------------------------------------------- 1544 # Single targets are compatible with: 1545 # - build with mixed source and output 1546 # - build with separate output dir 'make O=...' 1547 # - external modules 1548 # 1549 # target-dir => where to store outputfile 1550 # build-dir => directory in kernel source tree to use 1551 1552 ifeq ($(KBUILD_EXTMOD),) 1553 build-dir = $(patsubst %/,%,$(dir $@)) 1554 target-dir = $(dir $@) 1555 else 1556 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1557 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1558 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1559 endif 1560 1561 %.s: %.c prepare scripts FORCE 1562 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1563 %.i: %.c prepare scripts FORCE 1564 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1565 %.o: %.c prepare scripts FORCE 1566 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1567 %.lst: %.c prepare scripts FORCE 1568 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1569 %.s: %.S prepare scripts FORCE 1570 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1571 %.o: %.S prepare scripts FORCE 1572 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1573 %.symtypes: %.c prepare scripts FORCE 1574 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1575 1576 # Modules 1577 /: prepare scripts FORCE 1578 $(cmd_crmodverdir) 1579 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1580 $(build)=$(build-dir) 1581 %/: prepare scripts FORCE 1582 $(cmd_crmodverdir) 1583 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1584 $(build)=$(build-dir) 1585 %.ko: prepare scripts FORCE 1586 $(cmd_crmodverdir) 1587 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1588 $(build)=$(build-dir) $(@:.ko=.o) 1589 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1590 1591 # FIXME Should go into a make.lib or something 1592 # =========================================================================== 1593 1594 quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1595 cmd_rmdirs = rm -rf $(rm-dirs) 1596 1597 quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1598 cmd_rmfiles = rm -f $(rm-files) 1599 1600 # read all saved command lines 1601 1602 targets := $(wildcard $(sort $(targets))) 1603 cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1604 1605 ifneq ($(cmd_files),) 1606 $(cmd_files): ; # Do not try to update included dependency files 1607 include $(cmd_files) 1608 endif 1609 1610 endif # skip-makefile 1611 1612 PHONY += FORCE 1613 FORCE: 1614 1615 # Declare the contents of the .PHONY variable as phony. We keep that 1616 # information in a variable so we can use it in if_changed and friends. 1617 .PHONY: $(PHONY) 1618