Makefile

   1 # SPDX-License-Identifier: GPL-2.0+
   2
   3 VERSION = 2022
   4 PATCHLEVEL = 01
   5 SUBLEVEL =
   6 EXTRAVERSION = -rc2
   7 NAME =
   8
   9 # *DOCUMENTATION*
  10 # To see a list of typical targets execute "make help"
  11 # More info can be located in ./README
  12 # Comments in this file are targeted only to the developer, do not
  13 # expect to learn how to build the kernel reading this file.
  14
  15 # Do not use make's built-in rules and variables
  16 # (this increases performance and avoids hard-to-debug behaviour)
  17 MAKEFLAGS += -rR
  18
  19 # Determine target architecture for the sandbox
  20 include include/host_arch.h
  21 ifeq ("", "$(CROSS_COMPILE)")
  22   MK_ARCH="${shell uname -m}"
  23 else
  24   MK_ARCH="${shell echo $(CROSS_COMPILE) | sed -n 's/^\s*\([^\/]*\/\)*\([^-]*\)-\S*/\2/p'}"
  25 endif
  26 unexport HOST_ARCH
  27 ifeq ("x86_64", $(MK_ARCH))
  28   export HOST_ARCH=$(HOST_ARCH_X86_64)
  29 else ifneq (,$(findstring $(MK_ARCH), "i386" "i486" "i586" "i686"))
  30   export HOST_ARCH=$(HOST_ARCH_X86)
  31 else ifneq (,$(findstring $(MK_ARCH), "aarch64" "armv8l"))
  32   export HOST_ARCH=$(HOST_ARCH_AARCH64)
  33 else ifneq (,$(findstring $(MK_ARCH), "arm" "armv7" "armv7l"))
  34   export HOST_ARCH=$(HOST_ARCH_ARM)
  35 else ifeq ("riscv32", $(MK_ARCH))
  36   export HOST_ARCH=$(HOST_ARCH_RISCV32)
  37 else ifeq ("riscv64", $(MK_ARCH))
  38   export HOST_ARCH=$(HOST_ARCH_RISCV64)
  39 endif
  40 undefine MK_ARCH
  41
  42 # Avoid funny character set dependencies
  43 unexport LC_ALL
  44 LC_COLLATE=C
  45 LC_NUMERIC=C
  46 export LC_COLLATE LC_NUMERIC
  47
  48 # Avoid interference with shell env settings
  49 unexport GREP_OPTIONS
  50
  51 # We are using a recursive build, so we need to do a little thinking
  52 # to get the ordering right.
  53 #
  54 # Most importantly: sub-Makefiles should only ever modify files in
  55 # their own directory. If in some directory we have a dependency on
  56 # a file in another dir (which doesn't happen often, but it's often
  57 # unavoidable when linking the built-in.o targets which finally
  58 # turn into vmlinux), we will call a sub make in that other dir, and
  59 # after that we are sure that everything which is in that other dir
  60 # is now up to date.
  61 #
  62 # The only cases where we need to modify files which have global
  63 # effects are thus separated out and done before the recursive
  64 # descending is started. They are now explicitly listed as the
  65 # prepare rule.
  66
  67 # Beautify output
  68 # ---------------------------------------------------------------------------
  69 #
  70 # Normally, we echo the whole command before executing it. By making
  71 # that echo $($(quiet)$(cmd)), we now have the possibility to set
  72 # $(quiet) to choose other forms of output instead, e.g.
  73 #
  74 #         quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
  75 #         cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $<
  76 #
  77 # If $(quiet) is empty, the whole command will be printed.
  78 # If it is set to "quiet_", only the short version will be printed.
  79 # If it is set to "silent_", nothing will be printed at all, since
  80 # the variable $(silent_cmd_cc_o_c) doesn't exist.
  81 #
  82 # A simple variant is to prefix commands with $(Q) - that's useful
  83 # for commands that shall be hidden in non-verbose mode.
  84 #
  85 #       $(Q)ln $@ :<
  86 #
  87 # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
  88 # If KBUILD_VERBOSE equals 1 then the above command is displayed.
  89 #
  90 # To put more focus on warnings, be less verbose as default
  91 # Use 'make V=1' to see the full commands
  92
  93 ifeq ("$(origin V)", "command line")
  94   KBUILD_VERBOSE = $(V)
  95 endif
  96 ifndef KBUILD_VERBOSE
  97   KBUILD_VERBOSE = 0
  98 endif
  99
 100 ifeq ($(KBUILD_VERBOSE),1)
 101   quiet =
 102   Q =
 103 else
 104   quiet=quiet_
 105   Q = @
 106 endif
 107
 108 # If the user is running make -s (silent mode), suppress echoing of
 109 # commands
 110
 111 ifneq ($(filter 4.%,$(MAKE_VERSION)),)  # make-4
 112 ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
 113   quiet=silent_
 114 endif
 115 else                                    # make-3.8x
 116 ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
 117   quiet=silent_
 118 endif
 119 endif
 120
 121 export quiet Q KBUILD_VERBOSE
 122
 123 # kbuild supports saving output files in a separate directory.
 124 # To locate output files in a separate directory two syntaxes are supported.
 125 # In both cases the working directory must be the root of the kernel src.
 126 # 1) O=
 127 # Use "make O=dir/to/store/output/files/"
 128 #
 129 # 2) Set KBUILD_OUTPUT
 130 # Set the environment variable KBUILD_OUTPUT to point to the directory
 131 # where the output files shall be placed.
 132 # export KBUILD_OUTPUT=dir/to/store/output/files/
 133 # make
 134 #
 135 # The O= assignment takes precedence over the KBUILD_OUTPUT environment
 136 # variable.
 137
 138 # KBUILD_SRC is set on invocation of make in OBJ directory
 139 # KBUILD_SRC is not intended to be used by the regular user (for now)
 140 ifeq ($(KBUILD_SRC),)
 141
 142 # OK, Make called in directory where kernel src resides
 143 # Do we want to locate output files in a separate directory?
 144 ifeq ("$(origin O)", "command line")
 145   KBUILD_OUTPUT := $(O)
 146 endif
 147
 148 # That's our default target when none is given on the command line
 149 PHONY := _all
 150 _all:
 151
 152 # Cancel implicit rules on top Makefile
 153 $(CURDIR)/Makefile Makefile: ;
 154
 155 ifneq ($(KBUILD_OUTPUT),)
 156 # Invoke a second make in the output directory, passing relevant variables
 157 # check that the output directory actually exists
 158 saved-output := $(KBUILD_OUTPUT)
 159 KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \
 160                                                                 && /bin/pwd)
 161 $(if $(KBUILD_OUTPUT),, \
 162      $(error failed to create output directory "$(saved-output)"))
 163
 164 # Look for make include files relative to root of kernel src
 165 #
 166 # This does not become effective immediately because MAKEFLAGS is re-parsed
 167 # once after the Makefile is read.  It is OK since we are going to invoke
 168 # 'sub-make' below.
 169 MAKEFLAGS += --include-dir=$(CURDIR)
 170
 171 PHONY += $(MAKECMDGOALS) sub-make
 172
 173 $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
 174         @:
 175
 176 sub-make: FORCE
 177         $(Q)$(MAKE) -C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR) \
 178         -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS))
 179
 180 # Leave processing to above invocation of make
 181 skip-makefile := 1
 182 endif # ifneq ($(KBUILD_OUTPUT),)
 183 endif # ifeq ($(KBUILD_SRC),)
 184
 185 # We process the rest of the Makefile if this is the final invocation of make
 186 ifeq ($(skip-makefile),)
 187
 188 # Do not print "Entering directory ...",
 189 # but we want to display it when entering to the output directory
 190 # so that IDEs/editors are able to understand relative filenames.
 191 MAKEFLAGS += --no-print-directory
 192
 193 # Call a source code checker (by default, "sparse") as part of the
 194 # C compilation.
 195 #
 196 # Use 'make C=1' to enable checking of only re-compiled files.
 197 # Use 'make C=2' to enable checking of *all* source files, regardless
 198 # of whether they are re-compiled or not.
 199 #
 200 # See the file "doc/sparse.txt" for more details, including
 201 # where to get the "sparse" utility.
 202
 203 ifeq ("$(origin C)", "command line")
 204   KBUILD_CHECKSRC = $(C)
 205 endif
 206 ifndef KBUILD_CHECKSRC
 207   KBUILD_CHECKSRC = 0
 208 endif
 209
 210 # Use make M=dir to specify directory of external module to build
 211 # Old syntax make ... SUBDIRS=$PWD is still supported
 212 # Setting the environment variable KBUILD_EXTMOD take precedence
 213 ifdef SUBDIRS
 214   KBUILD_EXTMOD ?= $(SUBDIRS)
 215 endif
 216
 217 ifeq ("$(origin M)", "command line")
 218   KBUILD_EXTMOD := $(M)
 219 endif
 220
 221 # If building an external module we do not care about the all: rule
 222 # but instead _all depend on modules
 223 PHONY += all
 224 ifeq ($(KBUILD_EXTMOD),)
 225 _all: all
 226 else
 227 _all: modules
 228 endif
 229
 230 ifeq ($(KBUILD_SRC),)
 231         # building in the source tree
 232         srctree := .
 233 else
 234         ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR)))
 235                 # building in a subdirectory of the source tree
 236                 srctree := ..
 237         else
 238                 srctree := $(KBUILD_SRC)
 239         endif
 240 endif
 241 objtree         := .
 242 src             := $(srctree)
 243 obj             := $(objtree)
 244
 245 VPATH           := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
 246
 247 export srctree objtree VPATH
 248
 249 # Make sure CDPATH settings don't interfere
 250 unexport CDPATH
 251
 252 #########################################################################
 253
 254 HOSTARCH := $(shell uname -m | \
 255         sed -e s/i.86/x86/ \
 256             -e s/sun4u/sparc64/ \
 257             -e s/arm.*/arm/ \
 258             -e s/sa110/arm/ \
 259             -e s/ppc64/powerpc/ \
 260             -e s/ppc/powerpc/ \
 261             -e s/macppc/powerpc/\
 262             -e s/sh.*/sh/)
 263
 264 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
 265             sed -e 's/\(cygwin\).*/cygwin/')
 266
 267 export  HOSTARCH HOSTOS
 268
 269 #########################################################################
 270
 271 # set default to nothing for native builds
 272 ifeq ($(HOSTARCH),$(ARCH))
 273 CROSS_COMPILE ?=
 274 endif
 275
 276 KCONFIG_CONFIG  ?= .config
 277 export KCONFIG_CONFIG
 278
 279 # SHELL used by kbuild
 280 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
 281           else if [ -x /bin/bash ]; then echo /bin/bash; \
 282           else echo sh; fi ; fi)
 283
 284 HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS 2>/dev/null)
 285 HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS 2>/dev/null)
 286 HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
 287
 288 HOSTCC       = cc
 289 HOSTCXX      = c++
 290 KBUILD_HOSTCFLAGS   := -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
 291                 $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
 292 KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
 293 KBUILD_HOSTLDFLAGS  := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)
 294 KBUILD_HOSTLDLIBS   := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
 295
 296 # With the move to GCC 6, we have implicitly upgraded our language
 297 # standard to GNU11 (see https://gcc.gnu.org/gcc-5/porting_to.html).
 298 # Some Linux distributions (including RHEL7, SLES13, Debian 8) still
 299 # have older compilers as their default, so we make it explicit for
 300 # these that our host tools are GNU11 (i.e. C11 w/ GNU extensions).
 301 CSTD_FLAG := -std=gnu11
 302 KBUILD_HOSTCFLAGS += $(CSTD_FLAG)
 303
 304 ifeq ($(HOSTOS),cygwin)
 305 KBUILD_HOSTCFLAGS       += -ansi
 306 endif
 307
 308 # Mac OS X / Darwin's C preprocessor is Apple specific.  It
 309 # generates numerous errors and warnings.  We want to bypass it
 310 # and use GNU C's cpp.  To do this we pass the -traditional-cpp
 311 # option to the compiler.  Note that the -traditional-cpp flag
 312 # DOES NOT have the same semantics as GNU C's flag, all it does
 313 # is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
 314 #
 315 # Apple's linker is similar, thanks to the new 2 stage linking
 316 # multiple symbol definitions are treated as errors, hence the
 317 # -multiply_defined suppress option to turn off this error.
 318 #
 319 ifeq ($(HOSTOS),darwin)
 320 # get major and minor product version (e.g. '10' and '6' for Snow Leopard)
 321 DARWIN_MAJOR_VERSION    = $(shell sw_vers -productVersion | cut -f 1 -d '.')
 322 DARWIN_MINOR_VERSION    = $(shell sw_vers -productVersion | cut -f 2 -d '.')
 323
 324 os_x_before     = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
 325         $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
 326
 327 os_x_after = $(shell if [ $(DARWIN_MAJOR_VERSION) -ge $(1) -a \
 328         $(DARWIN_MINOR_VERSION) -ge $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
 329
 330 # Snow Leopards build environment has no longer restrictions as described above
 331 HOSTCC       = $(call os_x_before, 10, 5, "cc", "gcc")
 332 KBUILD_HOSTCFLAGS  += $(call os_x_before, 10, 4, "-traditional-cpp")
 333 KBUILD_HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
 334
 335 # macOS Mojave (10.14.X)
 336 # Undefined symbols for architecture x86_64: "_PyArg_ParseTuple"
 337 KBUILD_HOSTLDFLAGS += $(call os_x_after, 10, 14, "-lpython -dynamclib", "")
 338 endif
 339
 340 # Decide whether to build built-in, modular, or both.
 341 # Normally, just do built-in.
 342
 343 KBUILD_MODULES :=
 344 KBUILD_BUILTIN := 1
 345
 346 # If we have only "make modules", don't compile built-in objects.
 347 # When we're building modules with modversions, we need to consider
 348 # the built-in objects during the descend as well, in order to
 349 # make sure the checksums are up to date before we record them.
 350
 351 ifeq ($(MAKECMDGOALS),modules)
 352   KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
 353 endif
 354
 355 # If we have "make <whatever> modules", compile modules
 356 # in addition to whatever we do anyway.
 357 # Just "make" or "make all" shall build modules as well
 358
 359 # U-Boot does not need modules
 360 #ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
 361 #  KBUILD_MODULES := 1
 362 #endif
 363
 364 #ifeq ($(MAKECMDGOALS),)
 365 #  KBUILD_MODULES := 1
 366 #endif
 367
 368 # Check ths size of a binary:
 369 # Args:
 370 #   $1: File to check
 371 #   #2: Size limit in bytes (decimal or 0xhex)
 372 define size_check
 373         actual=$$( wc -c $1 | awk '{print $$1}'); \
 374         limit=$$( printf "%d" $2 ); \
 375         if test $$actual -gt $$limit; then \
 376                 echo "$1 exceeds file size limit:" >&2; \
 377                 echo "  limit:  $$(printf %#x $$limit) bytes" >&2; \
 378                 echo "  actual: $$(printf %#x $$actual) bytes" >&2; \
 379                 echo "  excess: $$(printf %#x $$((actual - limit))) bytes" >&2;\
 380                 exit 1; \
 381         fi
 382 endef
 383 export size_check
 384
 385 export KBUILD_MODULES KBUILD_BUILTIN
 386 export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
 387
 388 # We need some generic definitions (do not try to remake the file).
 389 scripts/Kbuild.include: ;
 390 include scripts/Kbuild.include
 391
 392 # Make variables (CC, etc...)
 393
 394 AS              = $(CROSS_COMPILE)as
 395 # Always use GNU ld
 396 ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),)
 397 LD              = $(CROSS_COMPILE)ld.bfd
 398 else
 399 LD              = $(CROSS_COMPILE)ld
 400 endif
 401 CC              = $(CROSS_COMPILE)gcc
 402 CPP             = $(CC) -E
 403 AR              = $(CROSS_COMPILE)ar
 404 NM              = $(CROSS_COMPILE)nm
 405 LDR             = $(CROSS_COMPILE)ldr
 406 STRIP           = $(CROSS_COMPILE)strip
 407 OBJCOPY         = $(CROSS_COMPILE)objcopy
 408 OBJDUMP         = $(CROSS_COMPILE)objdump
 409 LEX             = flex
 410 YACC            = bison
 411 AWK             = awk
 412 PERL            = perl
 413 PYTHON          ?= python
 414 PYTHON2         = python2
 415 PYTHON3         ?= python3
 416
 417 # The devicetree compiler and pylibfdt are automatically built unless DTC is
 418 # provided. If DTC is provided, it is assumed the pylibfdt is available too.
 419 DTC_INTREE      := $(objtree)/scripts/dtc/dtc
 420 DTC             ?= $(DTC_INTREE)
 421 DTC_MIN_VERSION := 010406
 422
 423 CHECK           = sparse
 424
 425 CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
 426                   -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
 427
 428 KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__
 429
 430 KBUILD_CFLAGS   := -Wall -Wstrict-prototypes \
 431                    -Wno-format-security \
 432                    -fno-builtin -ffreestanding $(CSTD_FLAG)
 433 KBUILD_CFLAGS   += -fshort-wchar -fno-strict-aliasing
 434 KBUILD_AFLAGS   := -D__ASSEMBLY__
 435 KBUILD_LDFLAGS  :=
 436
 437 ifeq ($(cc-name),clang)
 438 ifneq ($(CROSS_COMPILE),)
 439 CLANG_TARGET    := --target=$(notdir $(CROSS_COMPILE:%-=%))
 440 GCC_TOOLCHAIN_DIR := $(dir $(shell which $(LD)))
 441 CLANG_PREFIX    := --prefix=$(GCC_TOOLCHAIN_DIR)
 442 GCC_TOOLCHAIN   := $(realpath $(GCC_TOOLCHAIN_DIR)/..)
 443 endif
 444 ifneq ($(GCC_TOOLCHAIN),)
 445 CLANG_GCC_TC    := --gcc-toolchain=$(GCC_TOOLCHAIN)
 446 endif
 447 KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
 448 KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
 449 KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
 450 KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
 451 endif
 452
 453 # Don't generate position independent code
 454 KBUILD_CFLAGS   += $(call cc-option,-fno-PIE)
 455 KBUILD_AFLAGS   += $(call cc-option,-fno-PIE)
 456
 457 # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
 458 UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
 459 UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
 460
 461 export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
 462 export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
 463 export CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
 464 export CPP AR NM LDR STRIP OBJCOPY OBJDUMP KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
 465 export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3
 466 export HOSTCXX KBUILD_HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
 467
 468 export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
 469 export KBUILD_CFLAGS KBUILD_AFLAGS
 470
 471 export CC_VERSION_TEXT := $(shell $(CC) --version | head -n 1)
 472
 473 # When compiling out-of-tree modules, put MODVERDIR in the module
 474 # tree rather than in the kernel tree. The kernel tree might
 475 # even be read-only.
 476 export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions
 477
 478 # Files to ignore in find ... statements
 479
 480 export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o    \
 481                           -name CVS -o -name .pc -o -name .hg -o -name .git \) \
 482                           -prune -o
 483 export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
 484                          --exclude CVS --exclude .pc --exclude .hg --exclude .git
 485
 486 # ===========================================================================
 487 # Rules shared between *config targets and build targets
 488
 489 # Basic helpers built in scripts/
 490 PHONY += scripts_basic
 491 scripts_basic:
 492         $(Q)$(MAKE) $(build)=scripts/basic
 493         $(Q)rm -f .tmp_quiet_recordmcount
 494
 495 # To avoid any implicit rule to kick in, define an empty command.
 496 scripts/basic/%: scripts_basic ;
 497
 498 PHONY += outputmakefile
 499 # outputmakefile generates a Makefile in the output directory, if using a
 500 # separate output directory. This allows convenient use of make in the
 501 # output directory.
 502 outputmakefile:
 503 ifneq ($(KBUILD_SRC),)
 504         $(Q)ln -fsn $(srctree) source
 505         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree)
 506 endif
 507
 508 # To make sure we do not include .config for any of the *config targets
 509 # catch them early, and hand them over to scripts/kconfig/Makefile
 510 # It is allowed to specify more targets when calling make, including
 511 # mixing *config targets and build targets.
 512 # For example 'make oldconfig all'.
 513 # Detect when mixed targets is specified, and make a second invocation
 514 # of make so .config is not included in this case either (for *config).
 515
 516 version_h := include/generated/version_autogenerated.h
 517 timestamp_h := include/generated/timestamp_autogenerated.h
 518 defaultenv_h := include/generated/defaultenv_autogenerated.h
 519 dt_h := include/generated/dt.h
 520 env_h := include/generated/environment.h
 521
 522 no-dot-config-targets := clean clobber mrproper distclean \
 523                          help %docs check% coccicheck \
 524                          ubootversion backup tests check qcheck tcheck
 525
 526 config-targets := 0
 527 mixed-targets  := 0
 528 dot-config     := 1
 529
 530 ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
 531         ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
 532                 dot-config := 0
 533         endif
 534 endif
 535
 536 ifeq ($(KBUILD_EXTMOD),)
 537         ifneq ($(filter config %config,$(MAKECMDGOALS)),)
 538                 config-targets := 1
 539                 ifneq ($(words $(MAKECMDGOALS)),1)
 540                         mixed-targets := 1
 541                 endif
 542         endif
 543 endif
 544
 545 ifeq ($(mixed-targets),1)
 546 # ===========================================================================
 547 # We're called with mixed targets (*config and build targets).
 548 # Handle them one by one.
 549
 550 PHONY += $(MAKECMDGOALS) __build_one_by_one
 551
 552 $(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one
 553         @:
 554
 555 __build_one_by_one:
 556         $(Q)set -e; \
 557         for i in $(MAKECMDGOALS); do \
 558                 $(MAKE) -f $(srctree)/Makefile $$i; \
 559         done
 560
 561 else
 562 ifeq ($(config-targets),1)
 563 # ===========================================================================
 564 # *config targets only - make sure prerequisites are updated, and descend
 565 # in scripts/kconfig to make the *config target
 566
 567 KBUILD_DEFCONFIG := sandbox_defconfig
 568 export KBUILD_DEFCONFIG KBUILD_KCONFIG
 569
 570 config: scripts_basic outputmakefile FORCE
 571         $(Q)$(MAKE) $(build)=scripts/kconfig $@
 572
 573 %config: scripts_basic outputmakefile FORCE
 574         $(Q)$(MAKE) $(build)=scripts/kconfig $@
 575
 576 else
 577 # ===========================================================================
 578 # Build targets only - this includes vmlinux, arch specific targets, clean
 579 # targets and others. In general all targets except *config targets.
 580
 581 # Additional helpers built in scripts/
 582 # Carefully list dependencies so we do not try to build scripts twice
 583 # in parallel
 584 PHONY += scripts
 585 scripts: scripts_basic scripts_dtc include/config/auto.conf
 586         $(Q)$(MAKE) $(build)=$(@)
 587
 588 ifeq ($(dot-config),1)
 589 # Read in config
 590 -include include/config/auto.conf
 591
 592 # Read in dependencies to all Kconfig* files, make sure to run
 593 # oldconfig if changes are detected.
 594 -include include/config/auto.conf.cmd
 595
 596 # To avoid any implicit rule to kick in, define an empty command
 597 $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
 598
 599 # If .config is newer than include/config/auto.conf, someone tinkered
 600 # with it and forgot to run make oldconfig.
 601 # if auto.conf.cmd is missing then we are probably in a cleaned tree so
 602 # we execute the config step to be sure to catch updated Kconfig files
 603 include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
 604         $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
 605         @# If the following part fails, include/config/auto.conf should be
 606         @# deleted so "make silentoldconfig" will be re-run on the next build.
 607         $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \
 608                 { rm -f include/config/auto.conf; false; }
 609         @# include/config.h has been updated after "make silentoldconfig".
 610         @# We need to touch include/config/auto.conf so it gets newer
 611         @# than include/config.h.
 612         @# Otherwise, 'make silentoldconfig' would be invoked twice.
 613         $(Q)touch include/config/auto.conf
 614
 615 u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg:
 616         $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@)
 617
 618 -include include/autoconf.mk
 619 -include include/autoconf.mk.dep
 620
 621 # We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
 622 # is up-to-date. When we switch to a different board configuration, old CONFIG
 623 # macros are still remaining in include/config/auto.conf. Without the following
 624 # gimmick, wrong config.mk would be included leading nasty warnings/errors.
 625 ifneq ($(wildcard $(KCONFIG_CONFIG)),)
 626 ifneq ($(wildcard include/config/auto.conf),)
 627 autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \
 628                                                 include/config/auto.conf)
 629 ifeq ($(autoconf_is_old),)
 630 include config.mk
 631 include arch/$(ARCH)/Makefile
 632 endif
 633 endif
 634 endif
 635
 636 # These are set by the arch-specific config.mk. Make sure they are exported
 637 # so they can be used when building an EFI application.
 638 export EFI_LDS          # Filename of EFI link script in arch/$(ARCH)/lib
 639 export EFI_CRT0         # Filename of EFI CRT0 in arch/$(ARCH)/lib
 640 export EFI_RELOC        # Filename of EFU relocation code in arch/$(ARCH)/lib
 641 export CFLAGS_EFI       # Compiler flags to add when building EFI app
 642 export CFLAGS_NON_EFI   # Compiler flags to remove when building EFI app
 643 export EFI_TARGET       # binutils target if EFI is natively supported
 644
 645 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
 646 # that (or fail if absent).  Otherwise, search for a linker script in a
 647 # standard location.
 648
 649 ifndef LDSCRIPT
 650         #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug
 651         ifdef CONFIG_SYS_LDSCRIPT
 652                 # need to strip off double quotes
 653                 LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%)
 654         endif
 655 endif
 656
 657 # If there is no specified link script, we look in a number of places for it
 658 ifndef LDSCRIPT
 659         ifeq ($(wildcard $(LDSCRIPT)),)
 660                 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds
 661         endif
 662         ifeq ($(wildcard $(LDSCRIPT)),)
 663                 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds
 664         endif
 665         ifeq ($(wildcard $(LDSCRIPT)),)
 666                 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds
 667         endif
 668 endif
 669
 670 else
 671 # Dummy target needed, because used as prerequisite
 672 include/config/auto.conf: ;
 673 endif # $(dot-config)
 674
 675 #
 676 # Xtensa linker script cannot be preprocessed with -ansi because of
 677 # preprocessor operations on strings that don't make C identifiers.
 678 #
 679 ifeq ($(CONFIG_XTENSA),)
 680 LDPPFLAGS       += -ansi
 681 endif
 682
 683 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 684 KBUILD_CFLAGS   += -Os
 685 else
 686 KBUILD_CFLAGS   += -O2
 687 endif
 688
 689 LTO_CFLAGS :=
 690 LTO_FINAL_LDFLAGS :=
 691 export LTO_CFLAGS LTO_FINAL_LDFLAGS
 692 ifdef CONFIG_LTO
 693         ifeq ($(cc-name),clang)
 694                 LTO_CFLAGS              += -flto
 695                 LTO_FINAL_LDFLAGS       += -flto
 696
 697                 AR                      = $(shell $(CC) -print-prog-name=llvm-ar)
 698                 NM                      = $(shell $(CC) -print-prog-name=llvm-nm)
 699         else
 700                 NPROC                   := $(shell nproc 2>/dev/null || echo 1)
 701                 LTO_CFLAGS              += -flto=$(NPROC)
 702                 LTO_FINAL_LDFLAGS       += -fuse-linker-plugin -flto=$(NPROC)
 703
 704                 # use plugin aware tools
 705                 AR                      = $(CROSS_COMPILE)gcc-ar
 706                 NM                      = $(CROSS_COMPILE)gcc-nm
 707         endif
 708
 709         CFLAGS_NON_EFI                  += $(LTO_CFLAGS)
 710
 711         KBUILD_CFLAGS                   += $(LTO_CFLAGS)
 712 endif
 713
 714 ifeq ($(CONFIG_STACKPROTECTOR),y)
 715 KBUILD_CFLAGS += $(call cc-option,-fstack-protector-strong)
 716 CFLAGS_EFI += $(call cc-option,-fno-stack-protector)
 717 else
 718 KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
 719 endif
 720 KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks)
 721
 722 # disable pointer signed / unsigned warnings in gcc 4.0
 723 KBUILD_CFLAGS += -Wno-pointer-sign
 724
 725 # disable stringop warnings in gcc 8+
 726 KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
 727
 728 KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds)
 729 KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds)
 730 KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)
 731
 732 # Enabled with W=2, disabled by default as noisy
 733 KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized)
 734
 735 # change __FILE__ to the relative path from the srctree
 736 KBUILD_CFLAGS   += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
 737
 738 KBUILD_CFLAGS   += -g
 739 # $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
 740 # option to the assembler.
 741 KBUILD_AFLAGS   += -g
 742
 743 # Report stack usage if supported
 744 # ARC tools based on GCC 7.1 has an issue with stack usage
 745 # with naked functions, see commit message for more details
 746 ifndef CONFIG_ARC
 747 ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
 748         KBUILD_CFLAGS += -fstack-usage
 749 endif
 750 endif
 751
 752 KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
 753 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
 754
 755 ifdef CONFIG_CC_IS_CLANG
 756 KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
 757 KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
 758 KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
 759 KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
 760 # Quiet clang warning: comparison of unsigned expression < 0 is always false
 761 KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
 762 # CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
 763 # source of a reference will be _MergedGlobals and not on of the whitelisted names.
 764 # See modpost pattern 2
 765 KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
 766 KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
 767 endif
 768
 769 # These warnings generated too much noise in a regular build.
 770 # Use make W=1 to enable them (see scripts/Makefile.extrawarn)
 771 KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
 772
 773 # Prohibit date/time macros, which would make the build non-deterministic
 774 KBUILD_CFLAGS   += $(call cc-option,-Werror=date-time)
 775
 776 include scripts/Makefile.extrawarn
 777
 778 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 779 KBUILD_CPPFLAGS += $(KCPPFLAGS)
 780 KBUILD_AFLAGS += $(KAFLAGS)
 781 KBUILD_CFLAGS += $(KCFLAGS)
 782
 783 KBUILD_HOSTCFLAGS += $(if $(CONFIG_TOOLS_DEBUG),-g)
 784
 785 # Use UBOOTINCLUDE when you must reference the include/ directory.
 786 # Needed to be compatible with the O= option
 787 UBOOTINCLUDE    := \
 788         -Iinclude \
 789         $(if $(KBUILD_SRC), -I$(srctree)/include) \
 790         $(if $(CONFIG_$(SPL_)SYS_THUMB_BUILD), \
 791                 $(if $(CONFIG_HAS_THUMB2), \
 792                         $(if $(CONFIG_CPU_V7M), \
 793                                 -I$(srctree)/arch/arm/thumb1/include), \
 794                         -I$(srctree)/arch/arm/thumb1/include)) \
 795         -I$(srctree)/arch/$(ARCH)/include \
 796         -include $(srctree)/include/linux/kconfig.h
 797
 798 NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
 799
 800 # FIX ME
 801 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
 802                                                         $(NOSTDINC_FLAGS)
 803 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
 804
 805 #########################################################################
 806 # U-Boot objects....order is important (i.e. start must be first)
 807
 808 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
 809
 810 libs-$(CONFIG_API) += api/
 811 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
 812 libs-y += boot/
 813 libs-y += cmd/
 814 libs-y += common/
 815 libs-$(CONFIG_OF_EMBED) += dts/
 816 libs-y += env/
 817 libs-y += lib/
 818 libs-y += fs/
 819 libs-y += net/
 820 libs-y += disk/
 821 libs-y += drivers/
 822 libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
 823 libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/
 824 libs-$(CONFIG_$(SPL_)ALTERA_SDRAM) += drivers/ddr/altera/
 825 libs-y += drivers/usb/cdns3/
 826 libs-y += drivers/usb/dwc3/
 827 libs-y += drivers/usb/common/
 828 libs-y += drivers/usb/emul/
 829 libs-y += drivers/usb/eth/
 830 libs-$(CONFIG_USB_DEVICE) += drivers/usb/gadget/
 831 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/
 832 libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/
 833 libs-y += drivers/usb/host/
 834 libs-y += drivers/usb/mtu3/
 835 libs-y += drivers/usb/musb/
 836 libs-y += drivers/usb/musb-new/
 837 libs-y += drivers/usb/phy/
 838 libs-y += drivers/usb/ulpi/
 839 ifdef CONFIG_POST
 840 libs-y += post/
 841 endif
 842 libs-$(CONFIG_UNIT_TEST) += test/
 843 libs-$(CONFIG_UT_ENV) += test/env/
 844 libs-$(CONFIG_UT_OPTEE) += test/optee/
 845 libs-$(CONFIG_UT_OVERLAY) += test/overlay/
 846
 847 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
 848
 849 libs-y := $(sort $(libs-y))
 850
 851 u-boot-dirs     := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples
 852
 853 u-boot-alldirs  := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-))))
 854
 855 libs-y          := $(patsubst %/, %/built-in.o, $(libs-y))
 856
 857 u-boot-init := $(head-y)
 858 u-boot-main := $(libs-y)
 859
 860
 861 # Add GCC lib
 862 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
 863 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
 864 else
 865 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
 866 endif
 867 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
 868
 869 ifdef CONFIG_CC_COVERAGE
 870 KBUILD_CFLAGS += --coverage
 871 PLATFORM_LIBGCC += -lgcov
 872 endif
 873
 874 export PLATFORM_LIBS
 875 export PLATFORM_LIBGCC
 876
 877 # Special flags for CPP when processing the linker script.
 878 # Pass the version down so we can handle backwards compatibility
 879 # on the fly.
 880 LDPPFLAGS += \
 881         -include $(srctree)/include/u-boot/u-boot.lds.h \
 882         -DCPUDIR=$(CPUDIR) \
 883         $(shell $(LD) --version | \
 884           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
 885
 886 #########################################################################
 887 #########################################################################
 888
 889 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
 890 BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT))
 891 else
 892 BOARD_SIZE_CHECK =
 893 endif
 894
 895 ifneq ($(CONFIG_SPL_SIZE_LIMIT),0x0)
 896 SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit))
 897 else
 898 SPL_SIZE_CHECK =
 899 endif
 900
 901 ifneq ($(CONFIG_TPL_SIZE_LIMIT),0x0)
 902 TPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_TPL_SIZE_LIMIT))
 903 else
 904 TPL_SIZE_CHECK =
 905 endif
 906
 907 # Statically apply RELA-style relocations (currently arm64 only)
 908 # This is useful for arm64 where static relocation needs to be performed on
 909 # the raw binary, but certain simulators only accept an ELF file (but don't
 910 # do the relocation).
 911 ifneq ($(CONFIG_STATIC_RELA),)
 912 # $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base
 913 quiet_cmd_static_rela = RELOC   $@
 914 cmd_static_rela = \
 915         start=$$($(NM) $(2) | grep __rel_dyn_start | cut -f 1 -d ' '); \
 916         end=$$($(NM) $(2) | grep __rel_dyn_end | cut -f 1 -d ' '); \
 917         tools/relocate-rela $(3) $(4) $$start $$end
 918 else
 919 quiet_cmd_static_rela =
 920 cmd_static_rela =
 921 endif
 922
 923 # Always append INPUTS so that arch config.mk's can add custom ones
 924 INPUTS-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check
 925
 926 INPUTS-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
 927 ifeq ($(CONFIG_SPL_FSL_PBL),y)
 928 INPUTS-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin
 929 else
 930 ifneq ($(CONFIG_NXP_ESBC), y)
 931 # For Secure Boot The Image needs to be signed and Header must also
 932 # be included. So The image has to be built explicitly
 933 INPUTS-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl
 934 endif
 935 endif
 936 INPUTS-$(CONFIG_SPL) += spl/u-boot-spl.bin
 937 ifeq ($(CONFIG_MX6)$(CONFIG_IMX_HAB), yy)
 938 INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
 939 else
 940 ifeq ($(CONFIG_MX7)$(CONFIG_IMX_HAB), yy)
 941 INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
 942 else
 943 INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
 944 endif
 945 endif
 946 INPUTS-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
 947 INPUTS-$(CONFIG_OF_SEPARATE) += u-boot.dtb
 948 INPUTS-$(CONFIG_BINMAN_STANDALONE_FDT) += u-boot.dtb
 949 ifeq ($(CONFIG_SPL_FRAMEWORK),y)
 950 INPUTS-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img
 951 endif
 952 INPUTS-$(CONFIG_SANDBOX) += u-boot.dtb
 953 ifneq ($(CONFIG_SPL_TARGET),)
 954 INPUTS-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
 955 endif
 956 INPUTS-$(CONFIG_REMAKE_ELF) += u-boot.elf
 957 INPUTS-$(CONFIG_EFI_APP) += u-boot-app.efi
 958 INPUTS-$(CONFIG_EFI_STUB) += u-boot-payload.efi
 959
 960 # Generate this input file for binman
 961 ifeq ($(CONFIG_SPL),)
 962 INPUTS-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin
 963 endif
 964
 965 # Add optional build target if defined in board/cpu/soc headers
 966 ifneq ($(CONFIG_BUILD_TARGET),)
 967 INPUTS-y += $(CONFIG_BUILD_TARGET:"%"=%)
 968 endif
 969
 970 ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy)
 971 INPUTS-y += init_sp_bss_offset_check
 972 endif
 973
 974 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
 975 INPUTS-y += u-boot-with-dtb.bin
 976 endif
 977
 978 ifeq ($(CONFIG_ARCH_ROCKCHIP),y)
 979 # On ARM64 this target is produced by binman so we don't need this dep
 980 ifeq ($(CONFIG_ARM64),y)
 981 ifeq ($(CONFIG_SPL),y)
 982 # TODO: Get binman to generate this too
 983 INPUTS-y += u-boot-rockchip.bin
 984 endif
 985 else
 986 ifeq ($(CONFIG_SPL),y)
 987 # Generate these inputs for binman which will create the output files
 988 INPUTS-y += idbloader.img u-boot.img
 989 endif
 990 endif
 991 endif
 992
 993 INPUTS-$(CONFIG_X86) += u-boot-x86-start16.bin u-boot-x86-reset16.bin \
 994         $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \
 995         $(if $(CONFIG_TPL_X86_16BIT_INIT),tpl/u-boot-tpl.bin)
 996
 997 LDFLAGS_u-boot += $(LDFLAGS_FINAL)
 998
 999 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
1000 LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
1001
1002 # ld.lld support
1003 LDFLAGS_u-boot += -z notext
1004
1005 LDFLAGS_u-boot += --build-id=none
1006
1007 ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),)
1008 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
1009 endif
1010
1011 # insure the checker run with the right endianness
1012 CHECKFLAGS += $(if $(CONFIG_CPU_BIG_ENDIAN),-mbig-endian,-mlittle-endian)
1013
1014 # the checker needs the correct machine size
1015 CHECKFLAGS += $(if $(CONFIG_64BIT),-m64,-m32)
1016
1017 # Normally we fill empty space with 0xff
1018 quiet_cmd_objcopy = OBJCOPY $@
1019 cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \
1020         $(OBJCOPYFLAGS_$(@F)) $< $@
1021
1022 # Provide a version which does not do this, for use by EFI
1023 quiet_cmd_zobjcopy = OBJCOPY $@
1024 cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
1025
1026 quiet_cmd_efipayload = OBJCOPY $@
1027 cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@
1028
1029 MKIMAGEOUTPUT ?= /dev/null
1030
1031 quiet_cmd_mkimage = MKIMAGE $@
1032 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
1033         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
1034
1035 quiet_cmd_mkfitimage = MKIMAGE $@
1036 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) \
1037         -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@ \
1038         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
1039
1040 quiet_cmd_cat = CAT     $@
1041 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
1042
1043 append = cat $(filter-out $< $(PHONY), $^) >> $@
1044
1045 quiet_cmd_pad_cat = CAT     $@
1046 cmd_pad_cat = $(cmd_objcopy) && $(append) || { rm -f $@; false; }
1047
1048 quiet_cmd_lzma = LZMA    $@
1049 cmd_lzma = lzma -c -z -k -9 $< > $@
1050
1051 cfg: u-boot.cfg
1052
1053 quiet_cmd_cfgcheck = CFGCHK  $2
1054 cmd_cfgcheck = $(srctree)/scripts/check-config.sh $2 \
1055                 $(srctree)/scripts/config_whitelist.txt $(srctree)
1056
1057 # Concat the value of all the CONFIGs (result is 'y' or 'yy', etc. )
1058 got = $(foreach cfg,$(1),$($(cfg)))
1059
1060 # expected value 'y for each one
1061 expect = $(foreach cfg,$(1),y)
1062
1063 # Show a deprecation message
1064 # Args:
1065 # 1: List of CONFIG_DM_... to migrate to (e.g. "CONFIG_DM_MMC CONFIG_BLK")
1066 # 2: Name of component (e.g . "Ethernet drivers")
1067 # 3: Release deadline (e.g. "v202.07")
1068 # 4: Condition to require before checking (e.g. "$(CONFIG_NET)")
1069 # Note: Script avoids bash construct, hence the strange double 'if'
1070 # (patches welcome!)
1071 define deprecated
1072         @if [ -n "$(strip $(4))" ]; then if [ "$(got)" != "$(expect)" ]; then \
1073                 echo >&2 "===================== WARNING ======================"; \
1074                 echo >&2 "This board does not use $(firstword $(1)) (Driver Model"; \
1075                 echo >&2 "for $(2)). Please update the board to use"; \
1076                 echo >&2 "$(firstword $(1)) before the $(3) release. Failure to"; \
1077                 echo >&2 "update by the deadline may result in board removal."; \
1078                 echo >&2 "See doc/driver-model/migration.rst for more info."; \
1079                 echo >&2 "===================================================="; \
1080         fi; fi
1081
1082 endef
1083
1084 PHONY += inputs
1085 inputs: $(INPUTS-y)
1086
1087 all: .binman_stamp inputs
1088 ifeq ($(CONFIG_BINMAN),y)
1089         $(call if_changed,binman)
1090 endif
1091
1092 # Timestamp file to make sure that binman always runs
1093 .binman_stamp: FORCE
1094         @touch $@
1095
1096 ifeq ($(CONFIG_DEPRECATED),y)
1097         $(warning "You have deprecated configuration options enabled in your .config! Please check your configuration.")
1098 endif
1099 ifeq ($(CONFIG_OF_EMBED)$(CONFIG_EFI_APP),y)
1100         @echo >&2 "===================== WARNING ======================"
1101         @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only"
1102         @echo >&2 "be used for debugging purposes. Please use"
1103         @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline."
1104         @echo >&2 "See doc/README.fdt-control for more info."
1105         @echo >&2 "===================================================="
1106 endif
1107 ifneq ($(CONFIG_SPL_FIT_GENERATOR),)
1108         @echo >&2 "===================== WARNING ======================"
1109         @echo >&2 "This board uses CONFIG_SPL_FIT_GENERATOR. Please migrate"
1110         @echo >&2 "to binman instead, to avoid the proliferation of"
1111         @echo >&2 "arch-specific scripts with no tests."
1112         @echo >&2 "===================================================="
1113 endif
1114 ifneq ($(CONFIG_DM),y)
1115         @echo >&2 "===================== WARNING ======================"
1116         @echo >&2 "This board does not use CONFIG_DM. CONFIG_DM will be"
1117         @echo >&2 "compulsory starting with the v2020.01 release."
1118         @echo >&2 "Failure to update may result in board removal."
1119         @echo >&2 "See doc/driver-model/migration.rst for more info."
1120         @echo >&2 "===================================================="
1121 endif
1122         $(call deprecated,CONFIG_WDT,DM watchdog,v2019.10,\
1123                 $(CONFIG_WATCHDOG)$(CONFIG_HW_WATCHDOG))
1124         $(call deprecated,CONFIG_DM_ETH,Ethernet drivers,v2020.07,$(CONFIG_NET))
1125         $(call deprecated,CONFIG_DM_I2C,I2C drivers,v2022.04,$(CONFIG_SYS_I2C_LEGACY))
1126         @# Check that this build does not use CONFIG options that we do not
1127         @# know about unless they are in Kconfig. All the existing CONFIG
1128         @# options are whitelisted, so new ones should not be added.
1129         $(call cmd,cfgcheck,u-boot.cfg)
1130
1131 PHONY += dtbs
1132 dtbs: dts/dt.dtb
1133         @:
1134 dts/dt.dtb: u-boot
1135         $(Q)$(MAKE) $(build)=dts dtbs
1136
1137 quiet_cmd_copy = COPY    $@
1138       cmd_copy = cp $< $@
1139
1140 ifeq ($(CONFIG_MULTI_DTB_FIT),y)
1141
1142 ifeq ($(CONFIG_MULTI_DTB_FIT_LZO),y)
1143 FINAL_DTB_CONTAINER = fit-dtb.blob.lzo
1144 else ifeq ($(CONFIG_MULTI_DTB_FIT_GZIP),y)
1145 FINAL_DTB_CONTAINER = fit-dtb.blob.gz
1146 else
1147 FINAL_DTB_CONTAINER = fit-dtb.blob
1148 endif
1149
1150 fit-dtb.blob.gz: fit-dtb.blob
1151         @gzip -kf9 $< > $@
1152
1153 fit-dtb.blob.lzo: fit-dtb.blob
1154         @lzop -f9 $< > $@
1155
1156 fit-dtb.blob: dts/dt.dtb FORCE
1157         $(call if_changed,mkimage)
1158 ifneq ($(SOURCE_DATE_EPOCH),)
1159         touch -d @$(SOURCE_DATE_EPOCH) fit-dtb.blob
1160         chmod 0600 fit-dtb.blob
1161 endif
1162
1163 MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
1164         -a 0 -e 0 -E \
1165         $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null
1166
1167 MKIMAGEFLAGS_fit-dtb.blob += -B 0x8
1168
1169 ifneq ($(EXT_DTB),)
1170 u-boot-fit-dtb.bin: u-boot-nodtb.bin $(EXT_DTB)
1171                 $(call if_changed,cat)
1172 else
1173 u-boot-fit-dtb.bin: u-boot-nodtb.bin $(FINAL_DTB_CONTAINER)
1174         $(call if_changed,cat)
1175 endif
1176
1177 u-boot.bin: u-boot-fit-dtb.bin FORCE
1178         $(call if_changed,copy)
1179
1180 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
1181         $(call if_changed,cat)
1182
1183 else ifeq ($(CONFIG_OF_SEPARATE),y)
1184 u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE
1185         $(call if_changed,cat)
1186
1187 u-boot.bin: u-boot-dtb.bin FORCE
1188         $(call if_changed,copy)
1189 else
1190 u-boot.bin: u-boot-nodtb.bin FORCE
1191         $(call if_changed,copy)
1192 endif
1193
1194 # we call Makefile in arch/arm/mach-imx which
1195 # has targets which are dependent on targets defined
1196 # here. make could not resolve them and we must ensure
1197 # that they are finished before calling imx targets
1198 ifeq ($(CONFIG_MULTI_DTB_FIT),y)
1199 IMX_DEPS = u-boot-fit-dtb.bin
1200 endif
1201
1202 %.imx: $(IMX_DEPS) %.bin
1203         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1204         $(BOARD_SIZE_CHECK)
1205
1206 %.vyb: %.imx
1207         $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
1208
1209 quiet_cmd_copy = COPY    $@
1210       cmd_copy = cp $< $@
1211
1212 u-boot.dtb: dts/dt.dtb
1213         $(call cmd,copy)
1214
1215 OBJCOPYFLAGS_u-boot.hex := -O ihex
1216
1217 OBJCOPYFLAGS_u-boot.srec := -O srec
1218
1219 u-boot.hex u-boot.srec: u-boot FORCE
1220         $(call if_changed,objcopy)
1221
1222 OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec)
1223
1224 u-boot-elf.srec: u-boot.elf FORCE
1225         $(call if_changed,objcopy)
1226
1227 OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec)
1228
1229 spl/u-boot-spl.srec: spl/u-boot-spl FORCE
1230         $(call if_changed,objcopy)
1231
1232 %.scif: %.srec
1233         $(Q)$(MAKE) $(build)=arch/arm/mach-rmobile $@
1234
1235 OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
1236                 $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \
1237                 $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec)
1238
1239 binary_size_check: u-boot-nodtb.bin FORCE
1240         @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \
1241         map_size=$(shell cat u-boot.map | \
1242                 awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \
1243                 | sed 's/0X//g' \
1244                 | bc); \
1245         if [ "" != "$$map_size" ]; then \
1246                 if test $$map_size -ne $$file_size; then \
1247                         echo "u-boot.map shows a binary size of $$map_size" >&2 ; \
1248                         echo "  but u-boot-nodtb.bin shows $$file_size" >&2 ; \
1249                         exit 1; \
1250                 fi \
1251         fi
1252
1253 ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy)
1254 ifneq ($(CONFIG_SYS_MALLOC_F_LEN),)
1255 subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN)))
1256 else
1257 subtract_sys_malloc_f_len = true
1258 endif
1259 # The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is
1260 # so low that the DTB could probably use 90%+ of the available space, for
1261 # current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be
1262 # safe for now and tweak this later if space becomes tight.
1263 # A rejected alternative would be to check that some absolute minimum stack
1264 # space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is
1265 # deliberately build-specific, to take account of build-to-build stack usage
1266 # differences due to different feature sets, there is no common absolute value
1267 # to check against.
1268 init_sp_bss_offset_check: u-boot.dtb FORCE
1269         @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \
1270         space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \
1271         $(subtract_sys_malloc_f_len) ; \
1272         quarter_space=$$(($${space} / 4)) ; \
1273         if [ $${dtb_size} -gt $${quarter_space} ]; then \
1274                 echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \
1275                 echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \
1276                 exit 1 ; \
1277         fi
1278 endif
1279
1280 shell_cmd = { $(call echo-cmd,$(1)) $(cmd_$(1)); }
1281
1282 quiet_cmd_objcopy_uboot = OBJCOPY $@
1283 ifdef cmd_static_rela
1284 cmd_objcopy_uboot = $(cmd_objcopy) && $(call shell_cmd,static_rela,$<,$@,$(CONFIG_SYS_TEXT_BASE)) || { rm -f $@; false; }
1285 else
1286 cmd_objcopy_uboot = $(cmd_objcopy)
1287 endif
1288
1289 u-boot-nodtb.bin: u-boot FORCE
1290         $(call if_changed,objcopy_uboot)
1291         $(BOARD_SIZE_CHECK)
1292
1293 u-boot.ldr:     u-boot
1294                 $(CREATE_LDR_ENV)
1295                 $(LDR) -T $(CONFIG_CPU) -c $@ $< $(LDR_FLAGS)
1296                 $(BOARD_SIZE_CHECK)
1297
1298 # binman
1299 # ---------------------------------------------------------------------------
1300 # Use 'make BINMAN_DEBUG=1' to enable debugging
1301 # Use 'make BINMAN_VERBOSE=3' to set vebosity level
1302 default_dt := $(if $(DEVICE_TREE),$(DEVICE_TREE),$(CONFIG_DEFAULT_DEVICE_TREE))
1303
1304 quiet_cmd_binman = BINMAN  $@
1305 cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \
1306                 --toolpath $(objtree)/tools \
1307                 $(if $(BINMAN_VERBOSE),-v$(BINMAN_VERBOSE)) \
1308                 build -u -d u-boot.dtb -O . -m --allow-missing \
1309                 -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \
1310                 -I arch/$(ARCH)/dts -a of-list=$(CONFIG_OF_LIST) \
1311                 -a atf-bl31-path=${BL31} \
1312                 -a opensbi-path=${OPENSBI} \
1313                 -a default-dt=$(default_dt) \
1314                 -a scp-path=$(SCP) \
1315                 -a spl-bss-pad=$(if $(CONFIG_SPL_SEPARATE_BSS),,1) \
1316                 -a tpl-bss-pad=$(if $(CONFIG_TPL_SEPARATE_BSS),,1) \
1317                 -a spl-dtb=$(CONFIG_SPL_OF_REAL) \
1318                 -a tpl-dtb=$(CONFIG_TPL_OF_REAL) \
1319                 $(BINMAN_$(@F))
1320
1321 OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
1322
1323 OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
1324
1325 u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
1326         $(call if_changed,objcopy)
1327
1328 #
1329 # U-Boot entry point, needed for booting of full-blown U-Boot
1330 # from the SPL U-Boot version.
1331 #
1332 ifndef CONFIG_SYS_UBOOT_START
1333 CONFIG_SYS_UBOOT_START := $(CONFIG_SYS_TEXT_BASE)
1334 endif
1335
1336 # Boards with more complex image requirements can provide an .its source file
1337 # or a generator script
1338 # NOTE: Please do not use this. We are migrating away from Makefile rules to use
1339 # binman instead.
1340 ifneq ($(CONFIG_SPL_FIT_SOURCE),"")
1341 U_BOOT_ITS := u-boot.its
1342 $(U_BOOT_ITS): $(subst ",,$(CONFIG_SPL_FIT_SOURCE))
1343         $(call if_changed,copy)
1344 else
1345 ifneq ($(CONFIG_USE_SPL_FIT_GENERATOR),)
1346 U_BOOT_ITS := u-boot.its
1347 ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py")
1348 U_BOOT_ITS_DEPS += u-boot
1349 endif
1350 $(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE
1351         $(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \
1352         $(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@
1353 endif
1354 endif
1355
1356 ifdef CONFIG_SPL_LOAD_FIT
1357 MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
1358         -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1359         -p $(CONFIG_FIT_EXTERNAL_OFFSET) \
1360         -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \
1361         $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(DEVICE_TREE))) \
1362         $(patsubst %,-b arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) \
1363         $(patsubst %,-b arch/$(ARCH)/dts/%.dtbo,$(subst ",,$(CONFIG_OF_OVERLAY_LIST)))
1364 else
1365 MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
1366         -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1367         -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1368 MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \
1369         -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1370         -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1371 u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log
1372 endif
1373
1374 MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img)
1375
1376 # Some boards have the kwbimage.cfg file written in advance, while some
1377 # other boards generate it on the fly during the build in the build tree.
1378 # Let's check if the file exists in the build tree first, otherwise we
1379 # fall back to use the one in the source tree.
1380 KWD_CONFIG_FILE = $(shell \
1381         if [ -f $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) ]; then \
1382                 echo -n $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \
1383         else \
1384                 echo -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \
1385         fi)
1386
1387 MKIMAGEFLAGS_u-boot.kwb = -n $(KWD_CONFIG_FILE) \
1388         -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE)
1389
1390 MKIMAGEFLAGS_u-boot-spl.kwb = -n $(KWD_CONFIG_FILE) \
1391         -T kwbimage -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \
1392         $(if $(KEYDIR),-k $(KEYDIR))
1393
1394 MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
1395                 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage
1396
1397 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
1398 UBOOT_BIN := u-boot-with-dtb.bin
1399 else
1400 UBOOT_BIN := u-boot.bin
1401 endif
1402
1403 MKIMAGEFLAGS_u-boot-lzma.img = -A $(ARCH) -T standalone -C lzma -O u-boot \
1404         -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
1405         -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
1406
1407 u-boot.bin.lzma: u-boot.bin FORCE
1408         $(call if_changed,lzma)
1409
1410 u-boot-lzma.img: u-boot.bin.lzma FORCE
1411         $(call if_changed,mkimage)
1412
1413 u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \
1414                 $(if $(CONFIG_SPL_LOAD_FIT),u-boot-nodtb.bin \
1415                         $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SANDBOX)$(CONFIG_BINMAN_STANDALONE_FDT),dts/dt.dtb) \
1416                 ,$(UBOOT_BIN)) FORCE
1417         $(call if_changed,mkimage)
1418         $(BOARD_SIZE_CHECK)
1419
1420 ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y)
1421 MKIMAGEFLAGS_u-boot.itb =
1422 else
1423 MKIMAGEFLAGS_u-boot.itb = -E
1424 endif
1425 MKIMAGEFLAGS_u-boot.itb += -B 0x8
1426
1427 ifdef U_BOOT_ITS
1428 u-boot.itb: u-boot-nodtb.bin \
1429                 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SANDBOX),dts/dt.dtb) \
1430                 $(U_BOOT_ITS) FORCE
1431         $(call if_changed,mkfitimage)
1432         $(BOARD_SIZE_CHECK)
1433 endif
1434
1435 u-boot-spl.kwb: u-boot.bin spl/u-boot-spl.bin FORCE
1436         $(call if_changed,mkimage)
1437
1438 u-boot.sha1:    u-boot.bin
1439                 tools/ubsha1 u-boot.bin
1440
1441 u-boot.dis:     u-boot
1442                 $(OBJDUMP) -d $< > $@
1443
1444 ifneq ($(CONFIG_SPL_PAYLOAD),)
1445 SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%)
1446 else
1447 SPL_PAYLOAD := u-boot.bin
1448 endif
1449
1450 SPL_IMAGE := $(CONFIG_SPL_IMAGE:"%"=%)
1451
1452 OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \
1453                                    --pad-to=$(CONFIG_SPL_PAD_TO)
1454 u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE
1455         $(call if_changed,pad_cat)
1456
1457 ifeq ($(CONFIG_ARCH_ROCKCHIP),y)
1458
1459 # TPL + SPL
1460 ifeq ($(CONFIG_SPL)$(CONFIG_TPL),yy)
1461 MKIMAGEFLAGS_u-boot-tpl-rockchip.bin = -n $(CONFIG_SYS_SOC) -T rksd
1462 tpl/u-boot-tpl-rockchip.bin: tpl/u-boot-tpl.bin FORCE
1463         $(call if_changed,mkimage)
1464 idbloader.img: tpl/u-boot-tpl-rockchip.bin spl/u-boot-spl.bin FORCE
1465         $(call if_changed,cat)
1466 else
1467 MKIMAGEFLAGS_idbloader.img = -n $(CONFIG_SYS_SOC) -T rksd
1468 idbloader.img: spl/u-boot-spl.bin FORCE
1469         $(call if_changed,mkimage)
1470 endif
1471
1472 ifeq ($(CONFIG_ARM64),y)
1473 OBJCOPYFLAGS_u-boot-rockchip.bin = -I binary -O binary \
1474         --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff
1475 u-boot-rockchip.bin: idbloader.img u-boot.itb FORCE
1476         $(call if_changed,pad_cat)
1477 endif # CONFIG_ARM64
1478
1479 endif # CONFIG_ARCH_ROCKCHIP
1480
1481 ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy)
1482 MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE)
1483
1484 lpc32xx-spl.img: spl/u-boot-spl.bin FORCE
1485         $(call if_changed,mkimage)
1486
1487 OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
1488
1489 lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE
1490         $(call if_changed,objcopy)
1491
1492 OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
1493
1494 lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE
1495         $(call if_changed,objcopy)
1496
1497 lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE
1498         $(call if_changed,cat)
1499
1500 endif
1501
1502 OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \
1503                                    --pad-to=$(CONFIG_TPL_PAD_TO)
1504 tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
1505         $(call if_changed,pad_cat)
1506
1507 SPL: spl/u-boot-spl.bin FORCE
1508         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1509
1510 ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y)
1511 ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y)
1512 u-boot.cnt: u-boot.bin FORCE
1513         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1514
1515 flash.bin: spl/u-boot-spl.bin u-boot.cnt FORCE
1516         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1517 else
1518 ifeq ($(CONFIG_BINMAN),y)
1519 flash.bin: spl/u-boot-spl.bin $(INPUTS-y) FORCE
1520         $(call if_changed,binman)
1521         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1522 else
1523 flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE
1524         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1525 endif
1526 endif
1527 endif
1528
1529 u-boot.uim: u-boot.bin FORCE
1530         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1531
1532 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL $(if $(CONFIG_OF_SEPARATE),u-boot.img,u-boot.uim) FORCE
1533         $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
1534
1535 MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE)
1536
1537 u-boot.ubl: u-boot-with-spl.bin FORCE
1538         $(call if_changed,mkimage)
1539
1540 MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \
1541         $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \
1542         -T aisimage -e $(CONFIG_SPL_TEXT_BASE)
1543 spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE
1544         $(call if_changed,mkimage)
1545
1546 OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO)
1547 u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE
1548         $(call if_changed,pad_cat)
1549
1550 u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin
1551         $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb
1552 u-boot.sb: u-boot.bin spl/u-boot-spl.bin
1553         $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot.sb
1554
1555 MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \
1556         -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER
1557 spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE
1558         $(call if_changed,mkimage)
1559
1560 ifneq ($(CONFIG_ARCH_SOCFPGA),)
1561 quiet_cmd_gensplx4 = GENSPLX4 $@
1562 cmd_gensplx4 = $(OBJCOPY) -I binary -O binary --gap-fill=0x0            \
1563                         --pad-to=$(CONFIG_SPL_PAD_TO)                   \
1564                         spl/u-boot-spl.sfp spl/u-boot-spl.sfp &&        \
1565                 cat     spl/u-boot-spl.sfp spl/u-boot-spl.sfp           \
1566                         spl/u-boot-spl.sfp spl/u-boot-spl.sfp > $@ || { rm -f $@; false; }
1567 spl/u-boot-splx4.sfp: spl/u-boot-spl.sfp FORCE
1568         $(call if_changed,gensplx4)
1569
1570 quiet_cmd_socboot = SOCBOOT $@
1571 cmd_socboot = cat       spl/u-boot-splx4.sfp u-boot.img > $@ || { rm -f $@; false; }
1572 u-boot-with-spl.sfp: spl/u-boot-splx4.sfp u-boot.img FORCE
1573         $(call if_changed,socboot)
1574
1575 quiet_cmd_gensplpadx4 = GENSPLPADX4 $@
1576 cmd_gensplpadx4 =  dd if=/dev/zero of=spl/u-boot-spl.pad bs=64 count=1024 ; \
1577                    cat  spl/u-boot-spl.sfp spl/u-boot-spl.pad \
1578                         spl/u-boot-spl.sfp spl/u-boot-spl.pad \
1579                         spl/u-boot-spl.sfp spl/u-boot-spl.pad \
1580                         spl/u-boot-spl.sfp spl/u-boot-spl.pad > $@ || \
1581                         { rm -f $@ spl/u-boot-spl.pad; false; }
1582 u-boot-spl-padx4.sfp: spl/u-boot-spl.sfp FORCE
1583         $(call if_changed,gensplpadx4)
1584
1585 quiet_cmd_socnandboot = SOCNANDBOOT $@
1586 cmd_socnandboot = cat   u-boot-spl-padx4.sfp u-boot.img > $@ || { rm -f $@; false; }
1587 u-boot-with-nand-spl.sfp: u-boot-spl-padx4.sfp u-boot.img FORCE
1588         $(call if_changed,socnandboot)
1589
1590 endif
1591
1592 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
1593 u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \
1594         $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE
1595         $(call if_changed,binman)
1596
1597 ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y)
1598 OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec
1599 u-boot-br.bin: u-boot FORCE
1600         $(call if_changed,objcopy)
1601 endif
1602 endif
1603
1604 quiet_cmd_ldr = LD      $@
1605 cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \
1606                $(filter-out FORCE,$^) -o $@
1607
1608 ifdef CONFIG_X86
1609 OBJCOPYFLAGS_u-boot-x86-start16.bin := -O binary -j .start16
1610 u-boot-x86-start16.bin: u-boot FORCE
1611         $(call if_changed,objcopy)
1612
1613 OBJCOPYFLAGS_u-boot-x86-reset16.bin := -O binary -j .resetvec
1614 u-boot-x86-reset16.bin: u-boot FORCE
1615         $(call if_changed,objcopy)
1616
1617 endif # CONFIG_X86
1618
1619 OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI)
1620 u-boot-app.efi: u-boot FORCE
1621         $(call if_changed,zobjcopy)
1622
1623 u-boot.bin.o: u-boot.bin FORCE
1624         $(call if_changed,efipayload)
1625
1626 u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE
1627         $(call if_changed_dep,cpp_lds)
1628
1629 # Rule to link the EFI payload which contains a stub and a U-Boot binary
1630 quiet_cmd_u-boot_payload ?= LD      $@
1631       cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \
1632       -T u-boot-payload.lds arch/x86/cpu/call32.o \
1633       lib/efi/efi.o lib/efi/efi_stub.o u-boot.bin.o \
1634       $(addprefix arch/$(ARCH)/lib/,$(EFISTUB))
1635
1636 u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE
1637         $(call if_changed,u-boot_payload)
1638
1639 OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI)
1640 u-boot-payload.efi: u-boot-payload FORCE
1641         $(call if_changed,zobjcopy)
1642
1643 u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
1644         $(call if_changed,cat)
1645
1646 #Add a target to create boot binary having SPL binary in PBI format
1647 #concatenated with u-boot binary. It is need by PowerPC SoC having
1648 #internal SRAM <= 512KB.
1649 MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \
1650                 -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \
1651                 -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE)
1652
1653 spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE
1654         $(call if_changed,mkimage)
1655
1656 ifeq ($(ARCH),arm)
1657 UBOOT_BINLOAD := u-boot.img
1658 else
1659 ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
1660 UBOOT_BINLOAD := u-boot-with-dtb.bin
1661 else
1662 UBOOT_BINLOAD := u-boot.bin
1663 endif
1664 endif
1665
1666 OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
1667                           --gap-fill=0xff
1668
1669 u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE
1670         $(call if_changed,pad_cat)
1671
1672 # PPC4xx needs the SPL at the end of the image, since the reset vector
1673 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
1674 # and need to introduce a new build target with the full blown U-Boot
1675 # at the start padded up to the start of the SPL image. And then concat
1676 # the SPL image to the end.
1677
1678 OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \
1679         --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff
1680 u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE
1681         $(call if_changed,pad_cat)
1682
1683 quiet_cmd_u-boot-elf ?= LD      $@
1684         cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \
1685         -T u-boot-elf.lds --defsym=$(CONFIG_PLATFORM_ELFENTRY)=$(CONFIG_SYS_TEXT_BASE) \
1686         -Ttext=$(CONFIG_SYS_TEXT_BASE)
1687 u-boot.elf: u-boot.bin u-boot-elf.lds
1688         $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o
1689         $(call if_changed,u-boot-elf)
1690
1691 u-boot-elf.lds: arch/u-boot-elf.lds prepare FORCE
1692         $(call if_changed_dep,cpp_lds)
1693
1694 # MediaTek's ARM-based u-boot needs a header to contains its load address
1695 # which is parsed by the BootROM.
1696 # If the SPL build is enabled, the header will be added to the spl binary,
1697 # and the spl binary and the u-boot.img will be combined into one file.
1698 # Otherwise the header will be added to the u-boot.bin directly.
1699
1700 ifeq ($(CONFIG_SPL),y)
1701 spl/u-boot-spl-mtk.bin: spl/u-boot-spl
1702
1703 u-boot-mtk.bin: u-boot-with-spl.bin
1704         $(call if_changed,copy)
1705 else
1706 MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \
1707         -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \
1708         -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
1709
1710 u-boot-mtk.bin: u-boot.bin FORCE
1711         $(call if_changed,mkimage)
1712 endif
1713
1714 quiet_cmd_endian_swap = SWAP    $@
1715       cmd_endian_swap = $(srctree)/tools/endian-swap.py $< $@
1716
1717 u-boot-swap.bin: u-boot.bin FORCE
1718         $(call if_changed,endian_swap)
1719
1720 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink)
1721
1722 # Generate linker list symbols references to force compiler to not optimize
1723 # them away when compiling with LTO
1724 ifdef CONFIG_LTO
1725 u-boot-keep-syms-lto := keep-syms-lto.o
1726 u-boot-keep-syms-lto_c := $(patsubst %.o,%.c,$(u-boot-keep-syms-lto))
1727
1728 quiet_cmd_keep_syms_lto = KSL     $@
1729       cmd_keep_syms_lto = \
1730         $(srctree)/scripts/gen_ll_addressable_symbols.sh $(NM) $^ > $@
1731
1732 quiet_cmd_keep_syms_lto_cc = KSLCC   $@
1733       cmd_keep_syms_lto_cc = \
1734         $(CC) $(filter-out $(LTO_CFLAGS),$(c_flags)) -c -o $@ $<
1735
1736 $(u-boot-keep-syms-lto_c): $(u-boot-main)
1737         $(call if_changed,keep_syms_lto)
1738 $(u-boot-keep-syms-lto): $(u-boot-keep-syms-lto_c)
1739         $(call if_changed,keep_syms_lto_cc)
1740 else
1741 u-boot-keep-syms-lto :=
1742 endif
1743
1744 # Rule to link u-boot
1745 # May be overridden by arch/$(ARCH)/config.mk
1746 ifdef CONFIG_LTO
1747 quiet_cmd_u-boot__ ?= LTO     $@
1748       cmd_u-boot__ ?=                                                           \
1749                 $(CC) -nostdlib -nostartfiles                                   \
1750                 $(LTO_FINAL_LDFLAGS) $(c_flags)                                 \
1751                 $(KBUILD_LDFLAGS:%=-Wl,%) $(LDFLAGS_u-boot:%=-Wl,%) -o $@       \
1752                 -T u-boot.lds $(u-boot-init)                                    \
1753                 -Wl,--whole-archive                                             \
1754                         $(u-boot-main)                                          \
1755                         $(u-boot-keep-syms-lto)                                 \
1756                         $(PLATFORM_LIBS)                                        \
1757                 -Wl,--no-whole-archive                                          \
1758                 -Wl,-Map,u-boot.map;                                            \
1759                 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
1760 else
1761 # Note: Linking efi-x86_app64 causes a segfault in the linker at present
1762 # when using x86_64-linux-gnu-ld.bfd
1763 # For now, disable --whole-archive which makes things link, although not
1764 # correctly
1765 quiet_cmd_u-boot__ ?= LD      $@
1766       cmd_u-boot__ ?= $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_u-boot) -o $@           \
1767                 -T u-boot.lds $(u-boot-init)                                    \
1768                 $(if $(CONFIG_EFI_APP_64BIT),,--whole-archive)                  \
1769                         $(u-boot-main)                                          \
1770                 $(if $(CONFIG_EFI_APP_64BIT),,--no-whole-archive)               \
1771                 $(PLATFORM_LIBS) -Map u-boot.map;                               \
1772                 $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
1773 endif
1774
1775 quiet_cmd_smap = GEN     common/system_map.o
1776 cmd_smap = \
1777         smap=`$(call SYSTEM_MAP,u-boot) | \
1778                 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
1779         $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
1780                 -c $(srctree)/common/system_map.c -o common/system_map.o
1781
1782 u-boot: $(u-boot-init) $(u-boot-main) $(u-boot-keep-syms-lto) u-boot.lds FORCE
1783         +$(call if_changed,u-boot__)
1784 ifeq ($(CONFIG_KALLSYMS),y)
1785         $(call cmd,smap)
1786         $(call cmd,u-boot__) common/system_map.o
1787 endif
1788
1789 ifeq ($(CONFIG_RISCV),y)
1790         @tools/prelink-riscv $@ 0
1791 endif
1792
1793 quiet_cmd_sym ?= SYM     $@
1794       cmd_sym ?= $(OBJDUMP) -t $< > $@
1795 u-boot.sym: u-boot FORCE
1796         $(call if_changed,sym)
1797
1798 # Environment processing
1799 # ---------------------------------------------------------------------------
1800
1801 # Directory where we expect the .env file, if it exists
1802 ENV_DIR := $(srctree)/board/$(BOARDDIR)
1803
1804 # Basename of .env file, stripping quotes
1805 ENV_SOURCE_FILE := $(CONFIG_ENV_SOURCE_FILE:"%"=%)
1806
1807 # Filename of .env file
1808 ENV_FILE_CFG := $(ENV_DIR)/$(ENV_SOURCE_FILE).env
1809
1810 # Default filename, if CONFIG_ENV_SOURCE_FILE is empty
1811 ENV_FILE_BOARD := $(ENV_DIR)/$(CONFIG_SYS_BOARD:"%"=%).env
1812
1813 # Select between the CONFIG_ENV_SOURCE_FILE and the default one
1814 ENV_FILE := $(if $(ENV_SOURCE_FILE),$(ENV_FILE_CFG),$(wildcard $(ENV_FILE_BOARD)))
1815
1816 # Run the environment text file through the preprocessor, but only if it is
1817 # non-empty, to save time and possible build errors if something is wonky with
1818 # the board
1819 quiet_cmd_gen_envp = ENVP    $@
1820       cmd_gen_envp = \
1821         if [ -s "$(ENV_FILE)" ]; then \
1822                 $(CPP) -P $(CFLAGS) -x assembler-with-cpp -D__ASSEMBLY__ \
1823                         -D__UBOOT_CONFIG__ \
1824                         -I . -I include -I $(srctree)/include \
1825                         -include linux/kconfig.h -include include/config.h \
1826                         -I$(srctree)/arch/$(ARCH)/include \
1827                         $< -o $@; \
1828         else \
1829                 echo -n >$@ ; \
1830         fi
1831 include/generated/env.in: include/generated/env.txt FORCE
1832         $(call cmd,gen_envp)
1833
1834 # Regenerate the environment if it changes
1835 # We use 'wildcard' since the file is not required to exist (at present), in
1836 # which case we don't want this dependency, but instead should create an empty
1837 # file
1838 # This rule is useful since it shows the source file for the environment
1839 quiet_cmd_envc = ENVC    $@
1840       cmd_envc = \
1841         if [ -f "$<" ]; then \
1842                 cat $< > $@; \
1843         elif [ -n "$(ENV_SOURCE_FILE)" ]; then \
1844                 echo "Missing file $(ENV_FILE_CFG)"; \
1845         else \
1846                 echo -n >$@ ; \
1847         fi
1848
1849 include/generated/env.txt: $(wildcard $(ENV_FILE)) FORCE
1850         $(call cmd,envc)
1851
1852 # Write out the resulting environment, converted to a C string
1853 quiet_cmd_gen_envt = ENVT    $@
1854       cmd_gen_envt = \
1855         awk -f $(srctree)/scripts/env2string.awk $< >$@
1856 $(env_h): include/generated/env.in
1857         $(call cmd,gen_envt)
1858
1859 # ---------------------------------------------------------------------------
1860
1861 # The actual objects are generated when descending,
1862 # make sure no implicit rule kicks in
1863 $(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ;
1864
1865 # Handle descending into subdirectories listed in $(u-boot-dirs)
1866 # Preset locale variables to speed up the build process. Limit locale
1867 # tweaks to this spot to avoid wrong language settings when running
1868 # make menuconfig etc.
1869 # Error messages still appears in the original language
1870
1871 PHONY += $(u-boot-dirs)
1872 $(u-boot-dirs): prepare scripts
1873         $(Q)$(MAKE) $(build)=$@
1874
1875 tools: prepare
1876 # The "tools" are needed early
1877 $(filter-out tools, $(u-boot-dirs)): tools
1878 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
1879 # is "yes"), so compile examples after U-Boot is compiled.
1880 examples: $(filter-out examples, $(u-boot-dirs))
1881
1882 define filechk_uboot.release
1883         echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
1884 endef
1885
1886 # Store (new) UBOOTRELEASE string in include/config/uboot.release
1887 include/config/uboot.release: include/config/auto.conf FORCE
1888         $(call filechk,uboot.release)
1889
1890
1891 # Things we need to do before we recursively start building the kernel
1892 # or the modules are listed in "prepare".
1893 # A multi level approach is used. prepareN is processed before prepareN-1.
1894 # archprepare is used in arch Makefiles and when processed asm symlink,
1895 # version.h and scripts_basic is processed / created.
1896
1897 # Listed in dependency order
1898 PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
1899
1900 # prepare3 is used to check if we are building in a separate output directory,
1901 # and if so do:
1902 # 1) Check that make has not been executed in the kernel src $(srctree)
1903 prepare3: include/config/uboot.release
1904 ifneq ($(KBUILD_SRC),)
1905         @$(kecho) '  Using $(srctree) as source for U-Boot'
1906         $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
1907                 echo >&2 "  $(srctree) is not clean, please run 'make mrproper'"; \
1908                 echo >&2 "  in the '$(srctree)' directory.";\
1909                 /bin/false; \
1910         fi;
1911 endif
1912
1913 # prepare2 creates a makefile if using a separate output directory
1914 prepare2: prepare3 outputmakefile cfg
1915
1916 prepare1: prepare2 $(version_h) $(timestamp_h) $(dt_h) $(env_h) \
1917                    include/config/auto.conf
1918 ifeq ($(wildcard $(LDSCRIPT)),)
1919         @echo >&2 "  Could not find linker script."
1920         @/bin/false
1921 endif
1922
1923 ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y)
1924 prepare1: $(defaultenv_h)
1925
1926 envtools: $(defaultenv_h)
1927 endif
1928
1929 archprepare: prepare1 scripts_basic
1930
1931 prepare0: archprepare FORCE
1932         $(Q)$(MAKE) $(build)=.
1933
1934 # All the preparing..
1935 prepare: prepare0
1936
1937 # Generate some files
1938 # ---------------------------------------------------------------------------
1939
1940 # Use sed to remove leading zeros from PATCHLEVEL to avoid using octal numbers
1941 define filechk_version.h
1942         (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
1943         echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
1944         echo \#define U_BOOT_VERSION_NUM $(VERSION); \
1945         echo \#define U_BOOT_VERSION_NUM_PATCH $$(echo $(PATCHLEVEL) | \
1946                 sed -e "s/^0*//"); \
1947         echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \
1948         echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; )
1949 endef
1950
1951 # The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date.
1952 # The BSD date on the other hand behaves different and would produce errors
1953 # with the misused '-d' switch.  Respect that and search a working date with
1954 # well known pre- and suffixes for the GNU variant of date.
1955 define filechk_timestamp.h
1956         (if test -n "$${SOURCE_DATE_EPOCH}"; then \
1957                 SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \
1958                 DATE=""; \
1959                 for date in gdate date.gnu date; do \
1960                         $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \
1961                 done; \
1962                 if test -n "$${DATE}"; then \
1963                         LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
1964                         LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
1965                         LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
1966                         LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_EPOCH %s'; \
1967                 else \
1968                         return 42; \
1969                 fi; \
1970         else \
1971                 LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
1972                 LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \
1973                 LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \
1974                 LC_ALL=C date +'#define U_BOOT_EPOCH %s'; \
1975         fi)
1976 endef
1977
1978 define filechk_defaultenv.h
1979         ( { grep -v '^#' | grep -v '^$$' || true ; echo '' ; } | \
1980          tr '\n' '\0' | \
1981          sed -e 's/\\\x0\s*//g' | \
1982          xxd -i ; )
1983 endef
1984
1985 define filechk_dt.h
1986         (if test -n "$${DEVICE_TREE}"; then \
1987                 echo \#define DEVICE_TREE \"$(DEVICE_TREE)\"; \
1988         else \
1989                 echo \#define DEVICE_TREE CONFIG_DEFAULT_DEVICE_TREE; \
1990         fi)
1991 endef
1992
1993 $(version_h): include/config/uboot.release FORCE
1994         $(call filechk,version.h)
1995
1996 $(timestamp_h): $(srctree)/Makefile FORCE
1997         $(call filechk,timestamp.h)
1998
1999 $(dt_h): $(srctree)/Makefile FORCE
2000         $(call filechk,dt.h)
2001
2002 $(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE
2003         $(call filechk,defaultenv.h)
2004
2005 # ---------------------------------------------------------------------------
2006 # Devicetree files
2007
2008 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),)
2009 dtstree := arch/$(SRCARCH)/boot/dts
2010 endif
2011
2012 ifneq ($(dtstree),)
2013
2014 %.dtb: prepare3 scripts_dtc
2015         $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
2016
2017 PHONY += dtbs dtbs_install
2018 dtbs: prepare3 scripts_dtc
2019         $(Q)$(MAKE) $(build)=$(dtstree)
2020
2021 dtbs_install:
2022         $(Q)$(MAKE) $(dtbinst)=$(dtstree)
2023
2024 ifdef CONFIG_OF_EARLY_FLATTREE
2025 all: dtbs
2026 endif
2027
2028 endif
2029
2030 # Check dtc and pylibfdt, if DTC is provided, else build them
2031 PHONY += scripts_dtc
2032 scripts_dtc: scripts_basic
2033         $(Q)if test "$(DTC)" = "$(DTC_INTREE)"; then \
2034                 $(MAKE) $(build)=scripts/dtc; \
2035         else \
2036                 if ! $(DTC) -v >/dev/null; then \
2037                         echo '*** Failed to check dtc version: $(DTC)'; \
2038                         false; \
2039                 else \
2040                         if test "$(call dtc-version)" -lt $(DTC_MIN_VERSION); then \
2041                                 echo '*** Your dtc is too old, please upgrade to dtc $(DTC_MIN_VERSION) or newer'; \
2042                                 false; \
2043                         else \
2044                                 if [ -n "$(CONFIG_PYLIBFDT)" ]; then \
2045                                         if ! echo "import libfdt" | $(PYTHON3) 2>/dev/null; then \
2046                                                 echo '*** pylibfdt does not seem to be available with $(PYTHON3)'; \
2047                                                 false; \
2048                                         fi; \
2049                                 fi; \
2050                         fi; \
2051                 fi; \
2052         fi
2053
2054 # ---------------------------------------------------------------------------
2055 quiet_cmd_cpp_lds = LDS     $@
2056 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \
2057                 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
2058
2059 u-boot.lds: $(LDSCRIPT) prepare FORCE
2060         $(call if_changed_dep,cpp_lds)
2061
2062 spl/u-boot-spl.bin: spl/u-boot-spl
2063         @:
2064         $(SPL_SIZE_CHECK)
2065
2066 spl/u-boot-spl-dtb.bin: spl/u-boot-spl
2067         @:
2068
2069 spl/u-boot-spl-dtb.hex: spl/u-boot-spl
2070         @:
2071
2072 spl/u-boot-spl: tools prepare \
2073                 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb) \
2074                 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_TPL_OF_PLATDATA),dts/dt.dtb)
2075         $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.spl all
2076
2077 spl/sunxi-spl.bin: spl/u-boot-spl
2078         @:
2079
2080 spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin
2081         @:
2082
2083 spl/u-boot-spl.sfp: spl/u-boot-spl
2084         @:
2085
2086 spl/boot.bin: spl/u-boot-spl
2087         @:
2088
2089 tpl/u-boot-tpl.bin: tools prepare \
2090                 $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SPL_OF_PLATDATA),dts/dt.dtb)
2091         $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all
2092         $(TPL_SIZE_CHECK)
2093
2094 TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include)
2095
2096 FIND := find
2097 FINDFLAGS := -L
2098
2099 tags ctags:
2100                 ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
2101                                                 -name '*.[chS]' -print`
2102                 ln -s ctags tags
2103
2104 etags:
2105                 etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
2106                                                 -name '*.[chS]' -print`
2107 cscope:
2108                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
2109                                                 cscope.files
2110                 @find $(TAG_SUBDIRS) -name '*.[chS]' -type l -print | \
2111                         grep -xvf - cscope.files > cscope.files.no-symlinks; \
2112                 mv cscope.files.no-symlinks cscope.files
2113                 cscope -b -q -k
2114
2115 SYSTEM_MAP = \
2116                 $(NM) $1 | \
2117                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
2118                 LC_ALL=C sort
2119 System.map:     u-boot
2120                 @$(call SYSTEM_MAP,$<) > $@
2121
2122 #########################################################################
2123
2124 # ARM relocations should all be R_ARM_RELATIVE (32-bit) or
2125 # R_AARCH64_RELATIVE (64-bit).
2126 checkarmreloc: u-boot
2127         @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
2128                 grep R_A | sort -u`"; \
2129         if test "$$RELOC" != "R_ARM_RELATIVE" -a \
2130                  "$$RELOC" != "R_AARCH64_RELATIVE"; then \
2131                 echo "$< contains unexpected relocations: $$RELOC"; \
2132                 false; \
2133         fi
2134
2135 tools/version.h: include/version.h
2136         $(Q)mkdir -p $(dir $@)
2137         $(call if_changed,copy)
2138
2139 envtools: scripts_basic $(version_h) $(timestamp_h) tools/version.h
2140         $(Q)$(MAKE) $(build)=tools/env
2141
2142 tools-only: export TOOLS_ONLY=y
2143 tools-only: scripts_basic $(version_h) $(timestamp_h) tools/version.h
2144         $(Q)$(MAKE) $(build)=tools
2145
2146 tools-all: export HOST_TOOLS_ALL=y
2147 tools-all: envtools tools ;
2148
2149 cross_tools: export CROSS_BUILD_TOOLS=y
2150 cross_tools: tools ;
2151
2152 .PHONY : CHANGELOG
2153 CHANGELOG:
2154         git log --no-merges U-Boot-1_1_5.. | \
2155         unexpand -a | sed -e 's/\s\s*$$//' > $@
2156
2157 #########################################################################
2158
2159 ###
2160 # Cleaning is done on three levels.
2161 # make clean     Delete most generated files
2162 #                Leave enough to build external modules
2163 # make mrproper  Delete the current configuration, and all generated files
2164 # make distclean Remove editor backup files, patch leftover files and the like
2165
2166 # Directories & files removed with 'make clean'
2167 CLEAN_DIRS  += $(MODVERDIR) \
2168                $(foreach d, spl tpl, $(patsubst %,$d/%, \
2169                         $(filter-out include, $(shell ls -1 $d 2>/dev/null))))
2170
2171 CLEAN_FILES += include/bmp_logo.h include/bmp_logo_data.h tools/version.h \
2172                u-boot* MLO* SPL System.map fit-dtb.blob* \
2173                u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log \
2174                lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \
2175                idbloader.img flash.bin flash.log defconfig keep-syms-lto.c
2176
2177 # Directories & files removed with 'make mrproper'
2178 MRPROPER_DIRS  += include/config include/generated spl tpl \
2179                   .tmp_objdiff doc/output include/asm
2180
2181 # Remove include/asm symlink created by U-Boot before v2014.01
2182 MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \
2183                   ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
2184                   drivers/video/fonts/*.S include/asm
2185
2186 # clean - Delete most, but leave enough to build external modules
2187 #
2188 clean: rm-dirs  := $(CLEAN_DIRS)
2189 clean: rm-files := $(CLEAN_FILES)
2190
2191 clean-dirs      := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f))
2192
2193 clean-dirs      := $(addprefix _clean_, $(clean-dirs))
2194
2195 PHONY += $(clean-dirs) clean archclean
2196 $(clean-dirs):
2197         $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
2198
2199 clean: $(clean-dirs)
2200         $(call cmd,rmdirs)
2201         $(call cmd,rmfiles)
2202         @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
2203                 \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
2204                 -o -name '*.ko.*' -o -name '*.su' -o -name '*.pyc' \
2205                 -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
2206                 -o -name '*.lex.c' -o -name '*.tab.[ch]' \
2207                 -o -name '*.asn1.[ch]' \
2208                 -o -name '*.symtypes' -o -name 'modules.order' \
2209                 -o -name modules.builtin -o -name '.tmp_*.o.*' \
2210                 -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \
2211                 -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \
2212                 -type f -print | xargs rm -f
2213
2214 # mrproper - Delete all generated files, including .config
2215 #
2216 mrproper: rm-dirs  := $(wildcard $(MRPROPER_DIRS))
2217 mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
2218 mrproper-dirs      := $(addprefix _mrproper_,scripts)
2219
2220 PHONY += $(mrproper-dirs) mrproper archmrproper
2221 $(mrproper-dirs):
2222         $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
2223
2224 mrproper: clean $(mrproper-dirs)
2225         $(call cmd,rmdirs)
2226         $(call cmd,rmfiles)
2227         @rm -f arch/*/include/asm/arch
2228
2229 # distclean
2230 #
2231 PHONY += distclean
2232
2233 distclean: mrproper
2234         @find $(srctree) $(RCS_FIND_IGNORE) \
2235                 \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
2236                 -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
2237                 -o -name '.*.rej' -o -name '*%' -o -name 'core' \
2238                 -o -name '*.pyc' \) \
2239                 -type f -print | xargs rm -f
2240         @rm -f boards.cfg CHANGELOG
2241
2242 backup:
2243         F=`basename $(srctree)` ; cd .. ; \
2244         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
2245
2246 help:
2247         @echo  'Cleaning targets:'
2248         @echo  '  clean           - Remove most generated files but keep the config'
2249         @echo  '  mrproper        - Remove all generated files + config + various backup files'
2250         @echo  '  distclean       - mrproper + remove editor backup and patch files'
2251         @echo  ''
2252         @echo  'Configuration targets:'
2253         @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
2254         @echo  ''
2255         @echo  'Test targets:'
2256         @echo  ''
2257         @echo  '  check           - Run all automated tests that use sandbox'
2258         @echo  '  qcheck          - Run quick automated tests that use sandbox'
2259         @echo  '  tcheck          - Run quick automated tests on tools'
2260         @echo  ''
2261         @echo  'Other generic targets:'
2262         @echo  '  all             - Build all necessary images depending on configuration'
2263         @echo  '  tests           - Build U-Boot for sandbox and run tests'
2264         @echo  '* u-boot          - Build the bare u-boot'
2265         @echo  '  dir/            - Build all files in dir and below'
2266         @echo  '  dir/file.[oisS] - Build specified target only'
2267         @echo  '  dir/file.lst    - Build specified mixed source/assembly target only'
2268         @echo  '                    (requires a recent binutils and recent build (System.map))'
2269         @echo  '  tags/ctags      - Generate ctags file for editors'
2270         @echo  '  etags           - Generate etags file for editors'
2271         @echo  '  cscope          - Generate cscope index'
2272         @echo  '  ubootrelease    - Output the release version string (use with make -s)'
2273         @echo  '  ubootversion    - Output the version stored in Makefile (use with make -s)'
2274         @echo  "  cfg             - Don't build, just create the .cfg files"
2275         @echo  "  envtools        - Build only the target-side environment tools"
2276         @echo  ''
2277         @echo  'Static analysers'
2278         @echo  '  checkstack      - Generate a list of stack hogs'
2279         @echo  '  coccicheck      - Execute static code analysis with Coccinelle'
2280         @echo  ''
2281         @echo  'Documentation targets:'
2282         @$(MAKE) -f $(srctree)/doc/Makefile dochelp
2283         @echo  ''
2284         @echo  '  make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
2285         @echo  '  make V=2   [targets] 2 => give reason for rebuild of target'
2286         @echo  '  make O=dir [targets] Locate all output files in "dir", including .config'
2287         @echo  '  make C=1   [targets] Check all c source with $$CHECK (sparse by default)'
2288         @echo  '  make C=2   [targets] Force check of all c source with $$CHECK'
2289         @echo  '  make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
2290         @echo  '  make W=n   [targets] Enable extra gcc checks, n=1,2,3 where'
2291         @echo  '                1: warnings which may be relevant and do not occur too often'
2292         @echo  '                2: warnings which occur quite often but may still be relevant'
2293         @echo  '                3: more obscure warnings, can most likely be ignored'
2294         @echo  '                Multiple levels can be combined with W=12 or W=123'
2295         @echo  ''
2296         @echo  'Execute "make" or "make all" to build all targets marked with [*] '
2297         @echo  'For further info see the ./README file'
2298
2299 tests check:
2300         $(srctree)/test/run
2301
2302 qcheck:
2303         $(srctree)/test/run quick
2304
2305 tcheck:
2306         $(srctree)/test/run tools
2307
2308 # Documentation targets
2309 # ---------------------------------------------------------------------------
2310 DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \
2311                linkcheckdocs dochelp refcheckdocs
2312 PHONY += $(DOC_TARGETS)
2313 $(DOC_TARGETS): scripts_basic FORCE
2314         $(Q)$(MAKE) $(build)=doc $@
2315
2316 PHONY += checkstack ubootrelease ubootversion
2317
2318 checkstack:
2319         $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \
2320         $(PERL) $(src)/scripts/checkstack.pl $(ARCH)
2321
2322 ubootrelease:
2323         @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
2324
2325 ubootversion:
2326         @echo $(UBOOTVERSION)
2327
2328 # Single targets
2329 # ---------------------------------------------------------------------------
2330 # Single targets are compatible with:
2331 # - build with mixed source and output
2332 # - build with separate output dir 'make O=...'
2333 # - external modules
2334 #
2335 #  target-dir => where to store outputfile
2336 #  build-dir  => directory in kernel source tree to use
2337
2338 ifeq ($(KBUILD_EXTMOD),)
2339         build-dir  = $(patsubst %/,%,$(dir $@))
2340         target-dir = $(dir $@)
2341 else
2342         zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
2343         build-dir  = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
2344         target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
2345 endif
2346
2347 %.s: %.c prepare scripts FORCE
2348         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2349 %.i: %.c prepare scripts FORCE
2350         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2351 %.o: %.c prepare scripts FORCE
2352         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2353 %.lst: %.c prepare scripts FORCE
2354         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2355 %.s: %.S prepare scripts FORCE
2356         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2357 %.o: %.S prepare scripts FORCE
2358         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2359 %.symtypes: %.c prepare scripts FORCE
2360         $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
2361
2362 # Modules
2363 /: prepare scripts FORCE
2364         $(cmd_crmodverdir)
2365         $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
2366         $(build)=$(build-dir)
2367 %/: prepare scripts FORCE
2368         $(cmd_crmodverdir)
2369         $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
2370         $(build)=$(build-dir)
2371 %.ko: prepare scripts FORCE
2372         $(cmd_crmodverdir)
2373         $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1)   \
2374         $(build)=$(build-dir) $(@:.ko=.o)
2375         $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
2376
2377 quiet_cmd_genenv = GENENV  $@
2378 cmd_genenv = $(OBJCOPY) --dump-section .rodata.default_environment=$@ env/common.o; \
2379         sed --in-place -e 's/\x00/\x0A/g' $@
2380
2381 u-boot-initial-env: u-boot.bin
2382         $(call if_changed,genenv)
2383
2384 # Consistency checks
2385 # ---------------------------------------------------------------------------
2386
2387 PHONY += coccicheck
2388
2389 coccicheck:
2390         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@
2391
2392 # FIXME Should go into a make.lib or something
2393 # ===========================================================================
2394
2395 quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN   $(wildcard $(rm-dirs)))
2396       cmd_rmdirs = rm -rf $(rm-dirs)
2397
2398 quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN   $(wildcard $(rm-files)))
2399       cmd_rmfiles = rm -f $(rm-files)
2400
2401 # read all saved command lines
2402
2403 cmd_files := $(wildcard .*.cmd)
2404
2405 ifneq ($(cmd_files),)
2406   $(cmd_files): ;       # Do not try to update included dependency files
2407   include $(cmd_files)
2408 endif
2409
2410 endif    #ifeq ($(config-targets),1)
2411 endif    #ifeq ($(mixed-targets),1)
2412 endif   # skip-makefile
2413
2414 PHONY += FORCE
2415 FORCE:
2416
2417 # Declare the contents of the PHONY variable as phony.  We keep that
2418 # information in a variable so we can use it in if_changed and friends.
2419 .PHONY: $(PHONY)