1 # 2 # SPDX-License-Identifier: GPL-2.0+ 3 # 4 5 VERSION = 2016 6 PATCHLEVEL = 03 7 SUBLEVEL = 8 EXTRAVERSION = -rc2 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 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 566 KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) 567 568 KBUILD_CFLAGS += -g 569 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> 570 # option to the assembler. 571 KBUILD_AFLAGS += -g 572 573 # Report stack usage if supported 574 ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) 575 KBUILD_CFLAGS += -fstack-usage 576 endif 577 578 KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) 579 580 # turn jbsr into jsr for m68k 581 ifeq ($(ARCH),m68k) 582 ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) 583 KBUILD_AFLAGS += -Wa,-gstabs,-S 584 endif 585 endif 586 587 # Prohibit date/time macros, which would make the build non-deterministic 588 KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) 589 590 include scripts/Makefile.extrawarn 591 592 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments 593 KBUILD_CPPFLAGS += $(KCPPFLAGS) 594 KBUILD_AFLAGS += $(KAFLAGS) 595 KBUILD_CFLAGS += $(KCFLAGS) 596 597 # Use UBOOTINCLUDE when you must reference the include/ directory. 598 # Needed to be compatible with the O= option 599 UBOOTINCLUDE := \ 600 -Iinclude \ 601 $(if $(KBUILD_SRC), -I$(srctree)/include) \ 602 $(if $(CONFIG_SYS_THUMB_BUILD), $(if $(CONFIG_HAS_THUMB2),, \ 603 -I$(srctree)/arch/$(ARCH)/thumb1/include),) \ 604 -I$(srctree)/arch/$(ARCH)/include \ 605 -include $(srctree)/include/linux/kconfig.h 606 607 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) 608 CHECKFLAGS += $(NOSTDINC_FLAGS) 609 610 # FIX ME 611 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 612 $(NOSTDINC_FLAGS) 613 c_flags := $(KBUILD_CFLAGS) $(cpp_flags) 614 615 ######################################################################### 616 # U-Boot objects....order is important (i.e. start must be first) 617 618 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 619 620 libs-y += lib/ 621 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 622 libs-$(CONFIG_OF_EMBED) += dts/ 623 libs-y += fs/ 624 libs-y += net/ 625 libs-y += disk/ 626 libs-y += drivers/ 627 libs-y += drivers/dma/ 628 libs-y += drivers/gpio/ 629 libs-y += drivers/i2c/ 630 libs-y += drivers/mmc/ 631 libs-y += drivers/mtd/ 632 libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/ 633 libs-y += drivers/mtd/onenand/ 634 libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/ 635 libs-y += drivers/mtd/spi/ 636 libs-y += drivers/net/ 637 libs-y += drivers/net/phy/ 638 libs-y += drivers/pci/ 639 libs-y += drivers/power/ \ 640 drivers/power/fuel_gauge/ \ 641 drivers/power/mfd/ \ 642 drivers/power/pmic/ \ 643 drivers/power/battery/ \ 644 drivers/power/regulator/ 645 libs-y += drivers/spi/ 646 libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ 647 libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ 648 libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ 649 libs-y += drivers/serial/ 650 libs-y += drivers/usb/dwc3/ 651 libs-y += drivers/usb/emul/ 652 libs-y += drivers/usb/eth/ 653 libs-y += drivers/usb/gadget/ 654 libs-y += drivers/usb/gadget/udc/ 655 libs-y += drivers/usb/host/ 656 libs-y += drivers/usb/musb/ 657 libs-y += drivers/usb/musb-new/ 658 libs-y += drivers/usb/phy/ 659 libs-y += drivers/usb/ulpi/ 660 libs-y += cmd/ 661 libs-y += common/ 662 libs-$(CONFIG_API) += api/ 663 libs-$(CONFIG_HAS_POST) += post/ 664 libs-y += test/ 665 libs-y += test/dm/ 666 libs-$(CONFIG_UT_ENV) += test/env/ 667 668 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 669 670 libs-y := $(sort $(libs-y)) 671 672 u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples 673 674 u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) 675 676 libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 677 678 u-boot-init := $(head-y) 679 u-boot-main := $(libs-y) 680 681 682 # Add GCC lib 683 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 684 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 685 else 686 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc 687 endif 688 PLATFORM_LIBS += $(PLATFORM_LIBGCC) 689 export PLATFORM_LIBS 690 export PLATFORM_LIBGCC 691 692 # Special flags for CPP when processing the linker script. 693 # Pass the version down so we can handle backwards compatibility 694 # on the fly. 695 LDPPFLAGS += \ 696 -include $(srctree)/include/u-boot/u-boot.lds.h \ 697 -DCPUDIR=$(CPUDIR) \ 698 $(shell $(LD) --version | \ 699 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 700 701 ######################################################################### 702 ######################################################################### 703 704 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) 705 BOARD_SIZE_CHECK = \ 706 @actual=`wc -c $@ | awk '{print $$1}'`; \ 707 limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \ 708 if test $$actual -gt $$limit; then \ 709 echo "$@ exceeds file size limit:" >&2 ; \ 710 echo " limit: $$limit bytes" >&2 ; \ 711 echo " actual: $$actual bytes" >&2 ; \ 712 echo " excess: $$((actual - limit)) bytes" >&2; \ 713 exit 1; \ 714 fi 715 else 716 BOARD_SIZE_CHECK = 717 endif 718 719 # Statically apply RELA-style relocations (currently arm64 only) 720 ifneq ($(CONFIG_STATIC_RELA),) 721 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base 722 DO_STATIC_RELA = \ 723 start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \ 724 end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \ 725 tools/relocate-rela $(2) $(3) $$start $$end 726 else 727 DO_STATIC_RELA = 728 endif 729 730 # Always append ALL so that arch config.mk's can add custom ones 731 ALL-y += u-boot.srec u-boot.bin u-boot.sym System.map u-boot.cfg binary_size_check 732 733 ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin 734 ifeq ($(CONFIG_SPL_FSL_PBL),y) 735 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin 736 else 737 ifneq ($(CONFIG_SECURE_BOOT), y) 738 # For Secure Boot The Image needs to be signed and Header must also 739 # be included. So The image has to be built explicitly 740 ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl 741 endif 742 endif 743 ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin 744 ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img 745 ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin 746 ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb 747 ifeq ($(CONFIG_SPL_FRAMEWORK),y) 748 ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img 749 endif 750 ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb 751 ifneq ($(CONFIG_SPL_TARGET),) 752 ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) 753 endif 754 ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf 755 ALL-$(CONFIG_EFI_APP) += u-boot-app.efi 756 ALL-$(CONFIG_EFI_STUB) += u-boot-payload.efi 757 758 ifneq ($(BUILD_ROM),) 759 ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom 760 endif 761 762 # enable combined SPL/u-boot/dtb rules for tegra 763 ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy) 764 ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin 765 ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb-tegra.bin 766 endif 767 768 # Add optional build target if defined in board/cpu/soc headers 769 ifneq ($(CONFIG_BUILD_TARGET),) 770 ALL-y += $(CONFIG_BUILD_TARGET:"%"=%) 771 endif 772 773 LDFLAGS_u-boot += $(LDFLAGS_FINAL) 774 ifneq ($(CONFIG_SYS_TEXT_BASE),) 775 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) 776 endif 777 778 # Normally we fill empty space with 0xff 779 quiet_cmd_objcopy = OBJCOPY $@ 780 cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ 781 $(OBJCOPYFLAGS_$(@F)) $< $@ 782 783 # Provide a version which does not do this, for use by EFI 784 quiet_cmd_zobjcopy = OBJCOPY $@ 785 cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 786 787 quiet_cmd_efipayload = OBJCOPY $@ 788 cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ 789 790 quiet_cmd_mkimage = MKIMAGE $@ 791 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 792 $(if $(KBUILD_VERBOSE:1=), >/dev/null) 793 794 quiet_cmd_cat = CAT $@ 795 cmd_cat = cat $(filter-out $(PHONY), $^) > $@ 796 797 append = cat $(filter-out $< $(PHONY), $^) >> $@ 798 799 quiet_cmd_pad_cat = CAT $@ 800 cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@ 801 802 all: $(ALL-y) 803 ifneq ($(CONFIG_SYS_GENERIC_BOARD),y) 804 @echo "===================== WARNING ======================" 805 @echo "Please convert this board to generic board." 806 @echo "Otherwise it will be removed by the end of 2014." 807 @echo "See doc/README.generic-board for further information" 808 @echo "====================================================" 809 endif 810 ifeq ($(CONFIG_DM_I2C_COMPAT),y) 811 @echo "===================== WARNING ======================" 812 @echo "This board uses CONFIG_DM_I2C_COMPAT. Please remove" 813 @echo "(possibly in a subsequent patch in your series)" 814 @echo "before sending patches to the mailing list." 815 @echo "====================================================" 816 endif 817 818 PHONY += dtbs 819 dtbs dts/dt.dtb: checkdtc u-boot 820 $(Q)$(MAKE) $(build)=dts dtbs 821 822 quiet_cmd_copy = COPY $@ 823 cmd_copy = cp $< $@ 824 825 ifeq ($(CONFIG_OF_SEPARATE),y) 826 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE 827 $(call if_changed,cat) 828 829 u-boot.bin: u-boot-dtb.bin FORCE 830 $(call if_changed,copy) 831 else 832 u-boot.bin: u-boot-nodtb.bin FORCE 833 $(call if_changed,copy) 834 endif 835 836 %.imx: %.bin 837 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 838 839 u-boot.dtb: dts/dt.dtb 840 $(call cmd,copy) 841 842 OBJCOPYFLAGS_u-boot.hex := -O ihex 843 844 OBJCOPYFLAGS_u-boot.srec := -O srec 845 846 u-boot.hex u-boot.srec: u-boot FORCE 847 $(call if_changed,objcopy) 848 849 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ 850 $(if $(CONFIG_X86_RESET_VECTOR),-R .start16 -R .resetvec) 851 852 binary_size_check: u-boot-nodtb.bin FORCE 853 @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \ 854 map_size=$(shell cat u-boot.map | \ 855 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \ 856 | sed 's/0X//g' \ 857 | bc); \ 858 if [ "" != "$$map_size" ]; then \ 859 if test $$map_size -ne $$file_size; then \ 860 echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ 861 echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ 862 exit 1; \ 863 fi \ 864 fi 865 866 u-boot-nodtb.bin: u-boot FORCE 867 $(call if_changed,objcopy) 868 $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE)) 869 $(BOARD_SIZE_CHECK) 870 871 u-boot.ldr: u-boot 872 $(CREATE_LDR_ENV) 873 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS) 874 $(BOARD_SIZE_CHECK) 875 876 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex 877 878 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec 879 880 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE 881 $(call if_changed,objcopy) 882 883 # 884 # U-Boot entry point, needed for booting of full-blown U-Boot 885 # from the SPL U-Boot version. 886 # 887 ifndef CONFIG_SYS_UBOOT_START 888 CONFIG_SYS_UBOOT_START := 0 889 endif 890 891 # Create a file containing the configuration options the image was built with 892 quiet_cmd_cpp_cfg = CFG $@ 893 cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 894 -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 895 896 MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ 897 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ 898 -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" 899 900 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) 901 902 MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 903 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 904 905 MKIMAGEFLAGS_u-boot-spl.kwb = -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) \ 906 -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) 907 908 MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 909 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage 910 911 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE 912 $(call if_changed,mkimage) 913 914 u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE 915 $(call if_changed,mkimage) 916 917 u-boot.sha1: u-boot.bin 918 tools/ubsha1 u-boot.bin 919 920 u-boot.dis: u-boot 921 $(OBJDUMP) -d $< > $@ 922 923 u-boot.cfg: include/config.h FORCE 924 $(call if_changed,cpp_cfg) 925 926 ifdef CONFIG_TPL 927 SPL_PAYLOAD := tpl/u-boot-with-tpl.bin 928 else 929 SPL_PAYLOAD := u-boot.bin 930 endif 931 932 OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ 933 --pad-to=$(CONFIG_SPL_PAD_TO) 934 u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE 935 $(call if_changed,pad_cat) 936 937 MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) 938 939 lpc32xx-spl.img: spl/u-boot-spl.bin FORCE 940 $(call if_changed,mkimage) 941 942 OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 943 944 lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE 945 $(call if_changed,objcopy) 946 947 OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 948 949 lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE 950 $(call if_changed,objcopy) 951 952 lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE 953 $(call if_changed,cat) 954 955 CLEAN_FILES += lpc32xx-* 956 957 OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ 958 --pad-to=$(CONFIG_TPL_PAD_TO) 959 tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE 960 $(call if_changed,pad_cat) 961 962 SPL: spl/u-boot-spl.bin FORCE 963 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 964 965 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE 966 $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ 967 968 MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) 969 970 u-boot.ubl: u-boot-with-spl.bin FORCE 971 $(call if_changed,mkimage) 972 973 MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \ 974 $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \ 975 -T aisimage -e $(CONFIG_SPL_TEXT_BASE) 976 spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE 977 $(call if_changed,mkimage) 978 979 OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) 980 u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE 981 $(call if_changed,pad_cat) 982 983 u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin 984 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb 985 u-boot.sb: u-boot.bin spl/u-boot-spl.bin 986 $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb 987 988 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL. 989 # Both images are created using mkimage (crc etc), so that the ROM 990 # bootloader can check its integrity. Padding needs to be done to the 991 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image 992 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit. 993 # The resulting image containing both U-Boot images is called u-boot.spr 994 MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \ 995 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER 996 spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE 997 $(call if_changed,mkimage) 998 999 OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1000 --gap-fill=0xff 1001 u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE 1002 $(call if_changed,pad_cat) 1003 1004 ifneq ($(CONFIG_ARCH_SOCFPGA),) 1005 quiet_cmd_socboot = SOCBOOT $@ 1006 cmd_socboot = cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1007 spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ 1008 u-boot.img > $@ || rm -f $@ 1009 u-boot-with-spl.sfp: spl/u-boot-spl.sfp u-boot.img FORCE 1010 $(call if_changed,socboot) 1011 endif 1012 1013 # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including 1014 # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in 1015 # the middle. 1016 ifneq ($(CONFIG_X86_RESET_VECTOR),) 1017 rom: u-boot.rom FORCE 1018 1019 IFDTOOL=$(objtree)/tools/ifdtool 1020 IFDTOOL_FLAGS = -f 0:$(objtree)/u-boot.dtb 1021 IFDTOOL_FLAGS += -m 0x$(shell $(NM) u-boot |grep _dt_ucode_base_size |cut -d' ' -f1) 1022 IFDTOOL_FLAGS += -U $(CONFIG_SYS_TEXT_BASE):$(objtree)/u-boot-nodtb.bin 1023 IFDTOOL_FLAGS += -w $(CONFIG_SYS_X86_START16):$(objtree)/u-boot-x86-16bit.bin 1024 IFDTOOL_FLAGS += -C 1025 1026 ifneq ($(CONFIG_HAVE_INTEL_ME),) 1027 IFDTOOL_ME_FLAGS = -D $(srctree)/board/$(BOARDDIR)/descriptor.bin 1028 IFDTOOL_ME_FLAGS += -i ME:$(srctree)/board/$(BOARDDIR)/me.bin 1029 endif 1030 1031 ifneq ($(CONFIG_HAVE_MRC),) 1032 IFDTOOL_FLAGS += -w $(CONFIG_X86_MRC_ADDR):$(srctree)/board/$(BOARDDIR)/mrc.bin 1033 endif 1034 1035 ifneq ($(CONFIG_HAVE_FSP),) 1036 IFDTOOL_FLAGS += -w $(CONFIG_FSP_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_FSP_FILE) 1037 endif 1038 1039 ifneq ($(CONFIG_HAVE_CMC),) 1040 IFDTOOL_FLAGS += -w $(CONFIG_CMC_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_CMC_FILE) 1041 endif 1042 1043 ifneq ($(CONFIG_HAVE_VGA_BIOS),) 1044 IFDTOOL_FLAGS += -w $(CONFIG_VGA_BIOS_ADDR):$(srctree)/board/$(BOARDDIR)/$(CONFIG_VGA_BIOS_FILE) 1045 endif 1046 1047 quiet_cmd_ifdtool = IFDTOOL $@ 1048 cmd_ifdtool = $(IFDTOOL) -c -r $(CONFIG_ROM_SIZE) u-boot.tmp; 1049 ifneq ($(CONFIG_HAVE_INTEL_ME),) 1050 cmd_ifdtool += $(IFDTOOL) $(IFDTOOL_ME_FLAGS) u-boot.tmp; 1051 endif 1052 cmd_ifdtool += $(IFDTOOL) $(IFDTOOL_FLAGS) u-boot.tmp; 1053 cmd_ifdtool += mv u-boot.tmp $@ 1054 1055 u-boot.rom: u-boot-x86-16bit.bin u-boot.bin FORCE 1056 $(call if_changed,ifdtool) 1057 1058 OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec 1059 u-boot-x86-16bit.bin: u-boot FORCE 1060 $(call if_changed,objcopy) 1061 endif 1062 1063 ifneq ($(CONFIG_SUNXI),) 1064 OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \ 1065 --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff 1066 u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img FORCE 1067 $(call if_changed,pad_cat) 1068 endif 1069 1070 ifneq ($(CONFIG_TEGRA),) 1071 OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1072 u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE 1073 $(call if_changed,pad_cat) 1074 1075 OBJCOPYFLAGS_u-boot-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE) 1076 u-boot-tegra.bin: spl/u-boot-spl u-boot.bin FORCE 1077 $(call if_changed,pad_cat) 1078 1079 u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE 1080 $(call if_changed,copy) 1081 endif 1082 1083 OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) 1084 u-boot-app.efi: u-boot FORCE 1085 $(call if_changed,zobjcopy) 1086 1087 u-boot.bin.o: u-boot.bin FORCE 1088 $(call if_changed,efipayload) 1089 1090 u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE 1091 $(call if_changed_dep,cpp_lds) 1092 1093 # Rule to link the EFI payload which contains a stub and a U-Boot binary 1094 quiet_cmd_u-boot_payload ?= LD $@ 1095 cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ 1096 -T u-boot-payload.lds arch/x86/cpu/call32.o \ 1097 lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \ 1098 $(addprefix arch/$(ARCH)/lib/efi/,$(EFISTUB)) 1099 1100 u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE 1101 $(call if_changed,u-boot_payload) 1102 1103 OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) 1104 u-boot-payload.efi: u-boot-payload FORCE 1105 $(call if_changed,zobjcopy) 1106 1107 u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE 1108 $(call if_changed,cat) 1109 1110 #Add a target to create boot binary having SPL binary in PBI format 1111 #concatenated with u-boot binary. It is need by PowerPC SoC having 1112 #internal SRAM <= 512KB. 1113 MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ 1114 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ 1115 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) 1116 1117 spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE 1118 $(call if_changed,mkimage) 1119 1120 ifeq ($(ARCH),arm) 1121 UBOOT_BINLOAD := u-boot.img 1122 else 1123 UBOOT_BINLOAD := u-boot.bin 1124 endif 1125 1126 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ 1127 --gap-fill=0xff 1128 1129 u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE 1130 $(call if_changed,pad_cat) 1131 1132 # PPC4xx needs the SPL at the end of the image, since the reset vector 1133 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target 1134 # and need to introduce a new build target with the full blown U-Boot 1135 # at the start padded up to the start of the SPL image. And then concat 1136 # the SPL image to the end. 1137 1138 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \ 1139 --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff 1140 u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE 1141 $(call if_changed,pad_cat) 1142 1143 # Create a new ELF from a raw binary file. This is useful for arm64 1144 # where static relocation needs to be performed on the raw binary, 1145 # but certain simulators only accept an ELF file (but don't do the 1146 # relocation). 1147 # FIXME refactor dts/Makefile to share target/arch detection 1148 u-boot.elf: u-boot.bin 1149 @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ 1150 $< u-boot-elf.o 1151 @$(LD) u-boot-elf.o -o $@ \ 1152 --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ 1153 -Ttext=$(CONFIG_SYS_TEXT_BASE) 1154 1155 # Rule to link u-boot 1156 # May be overridden by arch/$(ARCH)/config.mk 1157 quiet_cmd_u-boot__ ?= LD $@ 1158 cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ 1159 -T u-boot.lds $(u-boot-init) \ 1160 --start-group $(u-boot-main) --end-group \ 1161 $(PLATFORM_LIBS) -Map u-boot.map 1162 1163 quiet_cmd_smap = GEN common/system_map.o 1164 cmd_smap = \ 1165 smap=`$(call SYSTEM_MAP,u-boot) | \ 1166 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ 1167 $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ 1168 -c $(srctree)/common/system_map.c -o common/system_map.o 1169 1170 u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds FORCE 1171 $(call if_changed,u-boot__) 1172 ifeq ($(CONFIG_KALLSYMS),y) 1173 $(call cmd,smap) 1174 $(call cmd,u-boot__) common/system_map.o 1175 endif 1176 1177 quiet_cmd_sym ?= SYM $@ 1178 cmd_sym ?= $(OBJDUMP) -t $< > $@ 1179 u-boot.sym: u-boot FORCE 1180 $(call if_changed,sym) 1181 1182 # The actual objects are generated when descending, 1183 # make sure no implicit rule kicks in 1184 $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; 1185 1186 # Handle descending into subdirectories listed in $(vmlinux-dirs) 1187 # Preset locale variables to speed up the build process. Limit locale 1188 # tweaks to this spot to avoid wrong language settings when running 1189 # make menuconfig etc. 1190 # Error messages still appears in the original language 1191 1192 PHONY += $(u-boot-dirs) 1193 $(u-boot-dirs): prepare scripts 1194 $(Q)$(MAKE) $(build)=$@ 1195 1196 tools: prepare 1197 # The "tools" are needed early 1198 $(filter-out tools, $(u-boot-dirs)): tools 1199 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC 1200 # is "yes"), so compile examples after U-Boot is compiled. 1201 examples: $(filter-out examples, $(u-boot-dirs)) 1202 1203 define filechk_uboot.release 1204 echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1205 endef 1206 1207 # Store (new) UBOOTRELEASE string in include/config/uboot.release 1208 include/config/uboot.release: include/config/auto.conf FORCE 1209 $(call filechk,uboot.release) 1210 1211 1212 # Things we need to do before we recursively start building the kernel 1213 # or the modules are listed in "prepare". 1214 # A multi level approach is used. prepareN is processed before prepareN-1. 1215 # archprepare is used in arch Makefiles and when processed asm symlink, 1216 # version.h and scripts_basic is processed / created. 1217 1218 # Listed in dependency order 1219 PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3 1220 1221 # prepare3 is used to check if we are building in a separate output directory, 1222 # and if so do: 1223 # 1) Check that make has not been executed in the kernel src $(srctree) 1224 prepare3: include/config/uboot.release 1225 ifneq ($(KBUILD_SRC),) 1226 @$(kecho) ' Using $(srctree) as source for U-Boot' 1227 $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ 1228 echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ 1229 echo >&2 " in the '$(srctree)' directory.";\ 1230 /bin/false; \ 1231 fi; 1232 endif 1233 1234 # prepare2 creates a makefile if using a separate output directory 1235 prepare2: prepare3 outputmakefile 1236 1237 prepare1: prepare2 $(version_h) $(timestamp_h) \ 1238 include/config/auto.conf 1239 ifeq ($(CONFIG_HAVE_GENERIC_BOARD),) 1240 ifeq ($(CONFIG_SYS_GENERIC_BOARD),y) 1241 @echo >&2 " Your architecture does not support generic board." 1242 @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file." 1243 @/bin/false 1244 endif 1245 endif 1246 ifeq ($(wildcard $(LDSCRIPT)),) 1247 @echo >&2 " Could not find linker script." 1248 @/bin/false 1249 endif 1250 1251 archprepare: prepare1 scripts_basic 1252 1253 prepare0: archprepare FORCE 1254 $(Q)$(MAKE) $(build)=. 1255 1256 # All the preparing.. 1257 prepare: prepare0 1258 1259 # Generate some files 1260 # --------------------------------------------------------------------------- 1261 1262 define filechk_version.h 1263 (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ 1264 echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ 1265 echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ 1266 echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) 1267 endef 1268 1269 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. 1270 # The BSD date on the other hand behaves different and would produce errors 1271 # with the misused '-d' switch. Respect that and search a working date with 1272 # well known pre- and suffixes for the GNU variant of date. 1273 define filechk_timestamp.h 1274 (if test -n "$${SOURCE_DATE_EPOCH}"; then \ 1275 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ 1276 DATE=""; \ 1277 for date in gdate date.gnu date; do \ 1278 $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ 1279 done; \ 1280 if test -n "$${DATE}"; then \ 1281 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1282 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ 1283 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ 1284 LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1285 else \ 1286 return 42; \ 1287 fi; \ 1288 else \ 1289 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ 1290 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ 1291 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ 1292 LC_ALL=C date +'#define U_BOOT_DMI_DATE "%m/%d/%Y"'; \ 1293 fi) 1294 endef 1295 1296 $(version_h): include/config/uboot.release FORCE 1297 $(call filechk,version.h) 1298 1299 $(timestamp_h): $(srctree)/Makefile FORCE 1300 $(call filechk,timestamp.h) 1301 1302 # --------------------------------------------------------------------------- 1303 quiet_cmd_cpp_lds = LDS $@ 1304 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 1305 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 1306 1307 u-boot.lds: $(LDSCRIPT) prepare FORCE 1308 $(call if_changed_dep,cpp_lds) 1309 1310 spl/u-boot-spl.bin: spl/u-boot-spl 1311 @: 1312 spl/u-boot-spl: tools prepare $(if $(CONFIG_OF_SEPARATE),dts/dt.dtb) 1313 $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all 1314 1315 spl/sunxi-spl.bin: spl/u-boot-spl 1316 @: 1317 1318 spl/u-boot-spl.sfp: spl/u-boot-spl 1319 @: 1320 1321 spl/boot.bin: spl/u-boot-spl 1322 @: 1323 1324 tpl/u-boot-tpl.bin: tools prepare 1325 $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all 1326 1327 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) 1328 1329 FIND := find 1330 FINDFLAGS := -L 1331 1332 tags ctags: 1333 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1334 -name '*.[chS]' -print` 1335 ln -s ctags tags 1336 1337 etags: 1338 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ 1339 -name '*.[chS]' -print` 1340 cscope: 1341 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ 1342 cscope.files 1343 cscope -b -q -k 1344 1345 SYSTEM_MAP = \ 1346 $(NM) $1 | \ 1347 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ 1348 LC_ALL=C sort 1349 System.map: u-boot 1350 @$(call SYSTEM_MAP,$<) > $@ 1351 1352 checkdtc: 1353 @if test $(call dtc-version) -lt 0104; then \ 1354 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \ 1355 false; \ 1356 fi 1357 1358 ######################################################################### 1359 1360 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or 1361 # R_AARCH64_RELATIVE (64-bit). 1362 checkarmreloc: u-boot 1363 @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ 1364 grep R_A | sort -u`"; \ 1365 if test "$$RELOC" != "R_ARM_RELATIVE" -a \ 1366 "$$RELOC" != "R_AARCH64_RELATIVE"; then \ 1367 echo "$< contains unexpected relocations: $$RELOC"; \ 1368 false; \ 1369 fi 1370 1371 env: scripts_basic 1372 $(Q)$(MAKE) $(build)=tools/$@ 1373 1374 tools-only: scripts_basic $(version_h) $(timestamp_h) 1375 $(Q)$(MAKE) $(build)=tools 1376 1377 tools-all: export HOST_TOOLS_ALL=y 1378 tools-all: env tools ; 1379 1380 cross_tools: export CROSS_BUILD_TOOLS=y 1381 cross_tools: tools ; 1382 1383 .PHONY : CHANGELOG 1384 CHANGELOG: 1385 git log --no-merges U-Boot-1_1_5.. | \ 1386 unexpand -a | sed -e 's/\s\s*$$//' > $@ 1387 1388 include/license.h: tools/bin2header COPYING 1389 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h 1390 ######################################################################### 1391 1392 ### 1393 # Cleaning is done on three levels. 1394 # make clean Delete most generated files 1395 # Leave enough to build external modules 1396 # make mrproper Delete the current configuration, and all generated files 1397 # make distclean Remove editor backup files, patch leftover files and the like 1398 1399 # Directories & files removed with 'make clean' 1400 CLEAN_DIRS += $(MODVERDIR) \ 1401 $(foreach d, spl tpl, $(patsubst %,$d/%, \ 1402 $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) 1403 1404 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h \ 1405 boot* u-boot* MLO* SPL System.map 1406 1407 # Directories & files removed with 'make mrproper' 1408 MRPROPER_DIRS += include/config include/generated spl tpl \ 1409 .tmp_objdiff 1410 MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ 1411 ctags etags TAGS cscope* GPATH GTAGS GRTAGS GSYMS 1412 1413 # clean - Delete most, but leave enough to build external modules 1414 # 1415 clean: rm-dirs := $(CLEAN_DIRS) 1416 clean: rm-files := $(CLEAN_FILES) 1417 1418 clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f)) 1419 1420 clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook) 1421 1422 PHONY += $(clean-dirs) clean archclean 1423 $(clean-dirs): 1424 $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) 1425 1426 # TODO: Do not use *.cfgtmp 1427 clean: $(clean-dirs) 1428 $(call cmd,rmdirs) 1429 $(call cmd,rmfiles) 1430 @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ 1431 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ 1432 -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \ 1433 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ 1434 -o -name '*.symtypes' -o -name 'modules.order' \ 1435 -o -name modules.builtin -o -name '.tmp_*.o.*' \ 1436 -o -name '*.gcno' \) -type f -print | xargs rm -f 1437 1438 # mrproper - Delete all generated files, including .config 1439 # 1440 mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) 1441 mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) 1442 mrproper-dirs := $(addprefix _mrproper_,scripts) 1443 1444 PHONY += $(mrproper-dirs) mrproper archmrproper 1445 $(mrproper-dirs): 1446 $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) 1447 1448 mrproper: clean $(mrproper-dirs) 1449 $(call cmd,rmdirs) 1450 $(call cmd,rmfiles) 1451 @rm -f arch/*/include/asm/arch 1452 1453 # distclean 1454 # 1455 PHONY += distclean 1456 1457 distclean: mrproper 1458 @find $(srctree) $(RCS_FIND_IGNORE) \ 1459 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 1460 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 1461 -o -name '.*.rej' -o -name '*%' -o -name 'core' \ 1462 -o -name '*.pyc' \) \ 1463 -type f -print | xargs rm -f 1464 @rm -f boards.cfg 1465 1466 backup: 1467 F=`basename $(srctree)` ; cd .. ; \ 1468 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F 1469 1470 help: 1471 @echo 'Cleaning targets:' 1472 @echo ' clean - Remove most generated files but keep the config' 1473 @echo ' mrproper - Remove all generated files + config + various backup files' 1474 @echo ' distclean - mrproper + remove editor backup and patch files' 1475 @echo '' 1476 @echo 'Configuration targets:' 1477 @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help 1478 @echo '' 1479 @echo 'Other generic targets:' 1480 @echo ' all - Build all necessary images depending on configuration' 1481 @echo '* u-boot - Build the bare u-boot' 1482 @echo ' dir/ - Build all files in dir and below' 1483 @echo ' dir/file.[oisS] - Build specified target only' 1484 @echo ' dir/file.lst - Build specified mixed source/assembly target only' 1485 @echo ' (requires a recent binutils and recent build (System.map))' 1486 @echo ' tags/ctags - Generate ctags file for editors' 1487 @echo ' etags - Generate etags file for editors' 1488 @echo ' cscope - Generate cscope index' 1489 @echo ' ubootrelease - Output the release version string (use with make -s)' 1490 @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' 1491 @echo '' 1492 @echo 'Static analysers' 1493 @echo ' checkstack - Generate a list of stack hogs' 1494 @echo '' 1495 @echo 'Documentation targets:' 1496 @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp 1497 @echo '' 1498 @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' 1499 @echo ' make V=2 [targets] 2 => give reason for rebuild of target' 1500 @echo ' make O=dir [targets] Locate all output files in "dir", including .config' 1501 @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' 1502 @echo ' make C=2 [targets] Force check of all c source with $$CHECK' 1503 @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' 1504 @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' 1505 @echo ' 1: warnings which may be relevant and do not occur too often' 1506 @echo ' 2: warnings which occur quite often but may still be relevant' 1507 @echo ' 3: more obscure warnings, can most likely be ignored' 1508 @echo ' Multiple levels can be combined with W=12 or W=123' 1509 @echo '' 1510 @echo 'Execute "make" or "make all" to build all targets marked with [*] ' 1511 @echo 'For further info see the ./README file' 1512 1513 1514 # Documentation targets 1515 # --------------------------------------------------------------------------- 1516 %docs: scripts_basic FORCE 1517 $(Q)$(MAKE) $(build)=scripts build_docproc 1518 $(Q)$(MAKE) $(build)=doc/DocBook $@ 1519 1520 # Dummies... 1521 PHONY += prepare scripts 1522 prepare: ; 1523 scripts: ; 1524 1525 endif #ifeq ($(config-targets),1) 1526 endif #ifeq ($(mixed-targets),1) 1527 1528 PHONY += checkstack ubootrelease ubootversion 1529 1530 checkstack: 1531 $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ 1532 $(PERL) $(src)/scripts/checkstack.pl $(ARCH) 1533 1534 ubootrelease: 1535 @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" 1536 1537 ubootversion: 1538 @echo $(UBOOTVERSION) 1539 1540 # Single targets 1541 # --------------------------------------------------------------------------- 1542 # Single targets are compatible with: 1543 # - build with mixed source and output 1544 # - build with separate output dir 'make O=...' 1545 # - external modules 1546 # 1547 # target-dir => where to store outputfile 1548 # build-dir => directory in kernel source tree to use 1549 1550 ifeq ($(KBUILD_EXTMOD),) 1551 build-dir = $(patsubst %/,%,$(dir $@)) 1552 target-dir = $(dir $@) 1553 else 1554 zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@))) 1555 build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash)) 1556 target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) 1557 endif 1558 1559 %.s: %.c prepare scripts FORCE 1560 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1561 %.i: %.c prepare scripts FORCE 1562 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1563 %.o: %.c prepare scripts FORCE 1564 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1565 %.lst: %.c prepare scripts FORCE 1566 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1567 %.s: %.S prepare scripts FORCE 1568 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1569 %.o: %.S prepare scripts FORCE 1570 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1571 %.symtypes: %.c prepare scripts FORCE 1572 $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) 1573 1574 # Modules 1575 /: prepare scripts FORCE 1576 $(cmd_crmodverdir) 1577 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1578 $(build)=$(build-dir) 1579 %/: prepare scripts FORCE 1580 $(cmd_crmodverdir) 1581 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1582 $(build)=$(build-dir) 1583 %.ko: prepare scripts FORCE 1584 $(cmd_crmodverdir) 1585 $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ 1586 $(build)=$(build-dir) $(@:.ko=.o) 1587 $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost 1588 1589 # FIXME Should go into a make.lib or something 1590 # =========================================================================== 1591 1592 quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs))) 1593 cmd_rmdirs = rm -rf $(rm-dirs) 1594 1595 quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files))) 1596 cmd_rmfiles = rm -f $(rm-files) 1597 1598 # read all saved command lines 1599 1600 targets := $(wildcard $(sort $(targets))) 1601 cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 1602 1603 ifneq ($(cmd_files),) 1604 $(cmd_files): ; # Do not try to update included dependency files 1605 include $(cmd_files) 1606 endif 1607 1608 endif # skip-makefile 1609 1610 PHONY += FORCE 1611 FORCE: 1612 1613 # Declare the contents of the .PHONY variable as phony. We keep that 1614 # information in a variable so we can use it in if_changed and friends. 1615 .PHONY: $(PHONY) 1616